diff options
Diffstat (limited to 'drivers/media/pci/cx18')
51 files changed, 15257 insertions, 0 deletions
diff --git a/drivers/media/pci/cx18/Kconfig b/drivers/media/pci/cx18/Kconfig new file mode 100644 index 0000000..1f9d301 --- /dev/null +++ b/drivers/media/pci/cx18/Kconfig @@ -0,0 +1,37 @@ +config VIDEO_CX18 + tristate "Conexant cx23418 MPEG encoder support" + depends on m + depends on VIDEO_V4L2 && DVB_CORE && PCI && I2C + depends on I2C_ALGOBIT + select VIDEOBUF_VMALLOC + depends on RC_CORE + select VIDEO_TUNER + select VIDEO_TVEEPROM + select VIDEO_CX2341X + select VIDEO_CS5345 + select DVB_S5H1409 if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_MXL5005S if MEDIA_SUBDRV_AUTOSELECT + select DVB_S5H1411 if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_TDA18271 if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_TDA8290 if MEDIA_SUBDRV_AUTOSELECT + ---help--- + This is a video4linux driver for Conexant cx23418 based + PCI combo video recorder devices. + + This is used in devices such as the Hauppauge HVR-1600 + cards. + + To compile this driver as a module, choose M here: the + module will be called cx18. + +config VIDEO_CX18_ALSA + tristate "Conexant 23418 DMA audio support" + depends on m + depends on VIDEO_CX18 && SND + depends on SND_PCM + ---help--- + This is a video4linux driver for direct (DMA) audio on + Conexant 23418 based TV cards using ALSA. + + To compile this driver as a module, choose M here: the + module will be called cx18-alsa. diff --git a/drivers/media/pci/cx18/Makefile b/drivers/media/pci/cx18/Makefile new file mode 100644 index 0000000..6abd415 --- /dev/null +++ b/drivers/media/pci/cx18/Makefile @@ -0,0 +1,13 @@ +cx18-objs := cx18-driver.o cx18-cards.o cx18-i2c.o cx18-firmware.o cx18-gpio.o \ + cx18-queue.o cx18-streams.o cx18-fileops.o cx18-ioctl.o cx18-controls.o \ + cx18-mailbox.o cx18-vbi.o cx18-audio.o cx18-video.o cx18-irq.o \ + cx18-av-core.o cx18-av-audio.o cx18-av-firmware.o cx18-av-vbi.o cx18-scb.o \ + cx18-dvb.o cx18-io.o +cx18-alsa-objs := cx18-alsa-main.o cx18-alsa-pcm.o + +obj-$(CPTCFG_VIDEO_CX18) += cx18.o +obj-$(CPTCFG_VIDEO_CX18_ALSA) += cx18-alsa.o + +ccflags-y += -I$(backport_srctree)/drivers/media/dvb-core +ccflags-y += -I$(backport_srctree)/drivers/media/dvb-frontends +ccflags-y += -I$(backport_srctree)/drivers/media/tuners diff --git a/drivers/media/pci/cx18/cx18-alsa-main.c b/drivers/media/pci/cx18/cx18-alsa-main.c new file mode 100644 index 0000000..b2c8c34 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-alsa-main.c @@ -0,0 +1,295 @@ +/* + * ALSA interface to cx18 PCM capture streams + * + * Copyright (C) 2009 Andy Walls <awalls@md.metrocast.net> + * Copyright (C) 2009 Devin Heitmueller <dheitmueller@kernellabs.com> + * + * Portions of this work were sponsored by ONELAN Limited. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/spinlock.h> + +#include <media/v4l2-device.h> + +#include <sound/core.h> +#include <sound/initval.h> + +#include "cx18-driver.h" +#include "cx18-version.h" +#include "cx18-alsa.h" +#include "cx18-alsa-mixer.h" +#include "cx18-alsa-pcm.h" + +int cx18_alsa_debug; + +#define CX18_DEBUG_ALSA_INFO(fmt, arg...) \ + do { \ + if (cx18_alsa_debug & 2) \ + printk(KERN_INFO "%s: " fmt, "cx18-alsa", ## arg); \ + } while (0); + +module_param_named(debug, cx18_alsa_debug, int, 0644); +MODULE_PARM_DESC(debug, + "Debug level (bitmask). Default: 0\n" + "\t\t\t 1/0x0001: warning\n" + "\t\t\t 2/0x0002: info\n"); + +MODULE_AUTHOR("Andy Walls"); +MODULE_DESCRIPTION("CX23418 ALSA Interface"); +MODULE_SUPPORTED_DEVICE("CX23418 MPEG2 encoder"); +MODULE_LICENSE("GPL"); + +MODULE_VERSION(CX18_VERSION); + +static inline +struct snd_cx18_card *to_snd_cx18_card(struct v4l2_device *v4l2_dev) +{ + return to_cx18(v4l2_dev)->alsa; +} + +static inline +struct snd_cx18_card *p_to_snd_cx18_card(struct v4l2_device **v4l2_dev) +{ + return container_of(v4l2_dev, struct snd_cx18_card, v4l2_dev); +} + +static void snd_cx18_card_free(struct snd_cx18_card *cxsc) +{ + if (cxsc == NULL) + return; + + if (cxsc->v4l2_dev != NULL) + to_cx18(cxsc->v4l2_dev)->alsa = NULL; + + /* FIXME - take any other stopping actions needed */ + + kfree(cxsc); +} + +static void snd_cx18_card_private_free(struct snd_card *sc) +{ + if (sc == NULL) + return; + snd_cx18_card_free(sc->private_data); + sc->private_data = NULL; + sc->private_free = NULL; +} + +static int snd_cx18_card_create(struct v4l2_device *v4l2_dev, + struct snd_card *sc, + struct snd_cx18_card **cxsc) +{ + *cxsc = kzalloc(sizeof(struct snd_cx18_card), GFP_KERNEL); + if (*cxsc == NULL) + return -ENOMEM; + + (*cxsc)->v4l2_dev = v4l2_dev; + (*cxsc)->sc = sc; + + sc->private_data = *cxsc; + sc->private_free = snd_cx18_card_private_free; + + return 0; +} + +static int snd_cx18_card_set_names(struct snd_cx18_card *cxsc) +{ + struct cx18 *cx = to_cx18(cxsc->v4l2_dev); + struct snd_card *sc = cxsc->sc; + + /* sc->driver is used by alsa-lib's configurator: simple, unique */ + strlcpy(sc->driver, "CX23418", sizeof(sc->driver)); + + /* sc->shortname is a symlink in /proc/asound: CX18-M -> cardN */ + snprintf(sc->shortname, sizeof(sc->shortname), "CX18-%d", + cx->instance); + + /* sc->longname is read from /proc/asound/cards */ + snprintf(sc->longname, sizeof(sc->longname), + "CX23418 #%d %s TV/FM Radio/Line-In Capture", + cx->instance, cx->card_name); + + return 0; +} + +static int snd_cx18_init(struct v4l2_device *v4l2_dev) +{ + struct cx18 *cx = to_cx18(v4l2_dev); + struct snd_card *sc = NULL; + struct snd_cx18_card *cxsc; + int ret; + + /* Numbrs steps from "Writing an ALSA Driver" by Takashi Iwai */ + + /* (1) Check and increment the device index */ + /* This is a no-op for us. We'll use the cx->instance */ + + /* (2) Create a card instance */ + ret = snd_card_create(SNDRV_DEFAULT_IDX1, /* use first available id */ + SNDRV_DEFAULT_STR1, /* xid from end of shortname*/ + THIS_MODULE, 0, &sc); + if (ret) { + CX18_ALSA_ERR("%s: snd_card_create() failed with err %d\n", + __func__, ret); + goto err_exit; + } + + /* (3) Create a main component */ + ret = snd_cx18_card_create(v4l2_dev, sc, &cxsc); + if (ret) { + CX18_ALSA_ERR("%s: snd_cx18_card_create() failed with err %d\n", + __func__, ret); + goto err_exit_free; + } + + /* (4) Set the driver ID and name strings */ + snd_cx18_card_set_names(cxsc); + + + ret = snd_cx18_pcm_create(cxsc); + if (ret) { + CX18_ALSA_ERR("%s: snd_cx18_pcm_create() failed with err %d\n", + __func__, ret); + goto err_exit_free; + } + /* FIXME - proc files */ + + /* (7) Set the driver data and return 0 */ + /* We do this out of normal order for PCI drivers to avoid races */ + cx->alsa = cxsc; + + /* (6) Register the card instance */ + ret = snd_card_register(sc); + if (ret) { + cx->alsa = NULL; + CX18_ALSA_ERR("%s: snd_card_register() failed with err %d\n", + __func__, ret); + goto err_exit_free; + } + + return 0; + +err_exit_free: + if (sc != NULL) + snd_card_free(sc); + kfree(cxsc); +err_exit: + return ret; +} + +static int cx18_alsa_load(struct cx18 *cx) +{ + struct v4l2_device *v4l2_dev = &cx->v4l2_dev; + struct cx18_stream *s; + + if (v4l2_dev == NULL) { + printk(KERN_ERR "cx18-alsa: %s: struct v4l2_device * is NULL\n", + __func__); + return 0; + } + + cx = to_cx18(v4l2_dev); + if (cx == NULL) { + printk(KERN_ERR "cx18-alsa cx is NULL\n"); + return 0; + } + + s = &cx->streams[CX18_ENC_STREAM_TYPE_PCM]; + if (s->video_dev == NULL) { + CX18_DEBUG_ALSA_INFO("%s: PCM stream for card is disabled - " + "skipping\n", __func__); + return 0; + } + + if (cx->alsa != NULL) { + CX18_ALSA_ERR("%s: struct snd_cx18_card * already exists\n", + __func__); + return 0; + } + + if (snd_cx18_init(v4l2_dev)) { + CX18_ALSA_ERR("%s: failed to create struct snd_cx18_card\n", + __func__); + } else { + CX18_DEBUG_ALSA_INFO("%s: created cx18 ALSA interface instance " + "\n", __func__); + } + return 0; +} + +static int __init cx18_alsa_init(void) +{ + printk(KERN_INFO "cx18-alsa: module loading...\n"); + cx18_ext_init = &cx18_alsa_load; + return 0; +} + +static void __exit snd_cx18_exit(struct snd_cx18_card *cxsc) +{ + struct cx18 *cx = to_cx18(cxsc->v4l2_dev); + + /* FIXME - pointer checks & shutdown cxsc */ + + snd_card_free(cxsc->sc); + cx->alsa = NULL; +} + +static int __exit cx18_alsa_exit_callback(struct device *dev, void *data) +{ + struct v4l2_device *v4l2_dev = dev_get_drvdata(dev); + struct snd_cx18_card *cxsc; + + if (v4l2_dev == NULL) { + printk(KERN_ERR "cx18-alsa: %s: struct v4l2_device * is NULL\n", + __func__); + return 0; + } + + cxsc = to_snd_cx18_card(v4l2_dev); + if (cxsc == NULL) { + CX18_ALSA_WARN("%s: struct snd_cx18_card * is NULL\n", + __func__); + return 0; + } + + snd_cx18_exit(cxsc); + return 0; +} + +static void __exit cx18_alsa_exit(void) +{ + struct device_driver *drv; + int ret; + + printk(KERN_INFO "cx18-alsa: module unloading...\n"); + + drv = driver_find("cx18", &pci_bus_type); + ret = driver_for_each_device(drv, NULL, NULL, cx18_alsa_exit_callback); + (void)ret; /* suppress compiler warning */ + + cx18_ext_init = NULL; + printk(KERN_INFO "cx18-alsa: module unload complete\n"); +} + +module_init(cx18_alsa_init); +module_exit(cx18_alsa_exit); diff --git a/drivers/media/pci/cx18/cx18-alsa-mixer.c b/drivers/media/pci/cx18/cx18-alsa-mixer.c new file mode 100644 index 0000000..341bddc --- /dev/null +++ b/drivers/media/pci/cx18/cx18-alsa-mixer.c @@ -0,0 +1,175 @@ +/* + * ALSA mixer controls for the + * ALSA interface to cx18 PCM capture streams + * + * Copyright (C) 2009 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/spinlock.h> +#include <linux/videodev2.h> + +#include <media/v4l2-device.h> + +#include <sound/core.h> +#include <sound/control.h> +#include <sound/tlv.h> + +#include "cx18-alsa.h" +#include "cx18-driver.h" + +/* + * Note the cx18-av-core volume scale is funny, due to the alignment of the + * scale with another chip's range: + * + * v4l2_control value /512 indicated dB actual dB reg 0x8d4 + * 0x0000 - 0x01ff 0 -119 -96 228 + * 0x0200 - 0x02ff 1 -118 -96 228 + * ... + * 0x2c00 - 0x2dff 22 -97 -96 228 + * 0x2e00 - 0x2fff 23 -96 -96 228 + * 0x3000 - 0x31ff 24 -95 -95 226 + * ... + * 0xee00 - 0xefff 119 0 0 36 + * ... + * 0xfe00 - 0xffff 127 +8 +8 20 + */ +static inline int dB_to_cx18_av_vol(int dB) +{ + if (dB < -96) + dB = -96; + else if (dB > 8) + dB = 8; + return (dB + 119) << 9; +} + +static inline int cx18_av_vol_to_dB(int v) +{ + if (v < (23 << 9)) + v = (23 << 9); + else if (v > (127 << 9)) + v = (127 << 9); + return (v >> 9) - 119; +} + +static int snd_cx18_mixer_tv_vol_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + /* We're already translating values, just keep this control in dB */ + uinfo->value.integer.min = -96; + uinfo->value.integer.max = 8; + uinfo->value.integer.step = 1; + return 0; +} + +static int snd_cx18_mixer_tv_vol_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *uctl) +{ + struct snd_cx18_card *cxsc = snd_kcontrol_chip(kctl); + struct cx18 *cx = to_cx18(cxsc->v4l2_dev); + struct v4l2_control vctrl; + int ret; + + vctrl.id = V4L2_CID_AUDIO_VOLUME; + vctrl.value = dB_to_cx18_av_vol(uctl->value.integer.value[0]); + + snd_cx18_lock(cxsc); + ret = v4l2_subdev_call(cx->sd_av, core, g_ctrl, &vctrl); + snd_cx18_unlock(cxsc); + + if (!ret) + uctl->value.integer.value[0] = cx18_av_vol_to_dB(vctrl.value); + return ret; +} + +static int snd_cx18_mixer_tv_vol_put(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *uctl) +{ + struct snd_cx18_card *cxsc = snd_kcontrol_chip(kctl); + struct cx18 *cx = to_cx18(cxsc->v4l2_dev); + struct v4l2_control vctrl; + int ret; + + vctrl.id = V4L2_CID_AUDIO_VOLUME; + vctrl.value = dB_to_cx18_av_vol(uctl->value.integer.value[0]); + + snd_cx18_lock(cxsc); + + /* Fetch current state */ + ret = v4l2_subdev_call(cx->sd_av, core, g_ctrl, &vctrl); + + if (ret || + (cx18_av_vol_to_dB(vctrl.value) != uctl->value.integer.value[0])) { + + /* Set, if needed */ + vctrl.value = dB_to_cx18_av_vol(uctl->value.integer.value[0]); + ret = v4l2_subdev_call(cx->sd_av, core, s_ctrl, &vctrl); + if (!ret) + ret = 1; /* Indicate control was changed w/o error */ + } + snd_cx18_unlock(cxsc); + + return ret; +} + + +/* This is a bit of overkill, the slider is already in dB internally */ +static DECLARE_TLV_DB_SCALE(snd_cx18_mixer_tv_vol_db_scale, -9600, 100, 0); + +static struct snd_kcontrol_new snd_cx18_mixer_tv_vol __initdata = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Analog TV Capture Volume", + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ, + .info = snd_cx18_mixer_tv_volume_info, + .get = snd_cx18_mixer_tv_volume_get, + .put = snd_cx18_mixer_tv_volume_put, + .tlv.p = snd_cx18_mixer_tv_vol_db_scale +}; + +/* FIXME - add mute switch and balance, bass, treble sliders: + V4L2_CID_AUDIO_MUTE + + V4L2_CID_AUDIO_BALANCE + + V4L2_CID_AUDIO_BASS + V4L2_CID_AUDIO_TREBLE +*/ + +/* FIXME - add stereo, lang1, lang2, mono menu */ +/* FIXME - add CS5345 I2S volume for HVR-1600 */ + +int __init snd_cx18_mixer_create(struct snd_cx18_card *cxsc) +{ + struct v4l2_device *v4l2_dev = cxsc->v4l2_dev; + struct snd_card *sc = cxsc->sc; + int ret; + + strlcpy(sc->mixername, "CX23418 Mixer", sizeof(sc->mixername)); + + ret = snd_ctl_add(sc, snd_ctl_new1(snd_cx18_mixer_tv_vol, cxsc)); + if (ret) { + CX18_ALSA_WARN("%s: failed to add %s control, err %d\n", + __func__, snd_cx18_mixer_tv_vol.name, ret); + } + return ret; +} diff --git a/drivers/media/pci/cx18/cx18-alsa-mixer.h b/drivers/media/pci/cx18/cx18-alsa-mixer.h new file mode 100644 index 0000000..ec92387 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-alsa-mixer.h @@ -0,0 +1,23 @@ +/* + * ALSA mixer controls for the + * ALSA interface to cx18 PCM capture streams + * + * Copyright (C) 2009 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +int __init snd_cx18_mixer_create(struct snd_cx18_card *cxsc); diff --git a/drivers/media/pci/cx18/cx18-alsa-pcm.c b/drivers/media/pci/cx18/cx18-alsa-pcm.c new file mode 100644 index 0000000..180077c --- /dev/null +++ b/drivers/media/pci/cx18/cx18-alsa-pcm.c @@ -0,0 +1,357 @@ +/* + * ALSA PCM device for the + * ALSA interface to cx18 PCM capture streams + * + * Copyright (C) 2009 Andy Walls <awalls@md.metrocast.net> + * Copyright (C) 2009 Devin Heitmueller <dheitmueller@kernellabs.com> + * + * Portions of this work were sponsored by ONELAN Limited. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/vmalloc.h> + +#include <media/v4l2-device.h> + +#include <sound/core.h> +#include <sound/pcm.h> + +#include "cx18-driver.h" +#include "cx18-queue.h" +#include "cx18-streams.h" +#include "cx18-fileops.h" +#include "cx18-alsa.h" +#include "cx18-alsa-pcm.h" + +static unsigned int pcm_debug; +module_param(pcm_debug, int, 0644); +MODULE_PARM_DESC(pcm_debug, "enable debug messages for pcm"); + +#define dprintk(fmt, arg...) do { \ + if (pcm_debug) \ + printk(KERN_INFO "cx18-alsa-pcm %s: " fmt, \ + __func__, ##arg); \ + } while (0) + +static struct snd_pcm_hardware snd_cx18_hw_capture = { + .info = SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_MMAP_VALID, + + .formats = SNDRV_PCM_FMTBIT_S16_LE, + + .rates = SNDRV_PCM_RATE_48000, + + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = 62720 * 8, /* just about the value in usbaudio.c */ + .period_bytes_min = 64, /* 12544/2, */ + .period_bytes_max = 12544, + .periods_min = 2, + .periods_max = 98, /* 12544, */ +}; + +void cx18_alsa_announce_pcm_data(struct snd_cx18_card *cxsc, u8 *pcm_data, + size_t num_bytes) +{ + struct snd_pcm_substream *substream; + struct snd_pcm_runtime *runtime; + unsigned int oldptr; + unsigned int stride; + int period_elapsed = 0; + int length; + + dprintk("cx18 alsa announce ptr=%p data=%p num_bytes=%zd\n", cxsc, + pcm_data, num_bytes); + + substream = cxsc->capture_pcm_substream; + if (substream == NULL) { + dprintk("substream was NULL\n"); + return; + } + + runtime = substream->runtime; + if (runtime == NULL) { + dprintk("runtime was NULL\n"); + return; + } + + stride = runtime->frame_bits >> 3; + if (stride == 0) { + dprintk("stride is zero\n"); + return; + } + + length = num_bytes / stride; + if (length == 0) { + dprintk("%s: length was zero\n", __func__); + return; + } + + if (runtime->dma_area == NULL) { + dprintk("dma area was NULL - ignoring\n"); + return; + } + + oldptr = cxsc->hwptr_done_capture; + if (oldptr + length >= runtime->buffer_size) { + unsigned int cnt = + runtime->buffer_size - oldptr; + memcpy(runtime->dma_area + oldptr * stride, pcm_data, + cnt * stride); + memcpy(runtime->dma_area, pcm_data + cnt * stride, + length * stride - cnt * stride); + } else { + memcpy(runtime->dma_area + oldptr * stride, pcm_data, + length * stride); + } + snd_pcm_stream_lock(substream); + + cxsc->hwptr_done_capture += length; + if (cxsc->hwptr_done_capture >= + runtime->buffer_size) + cxsc->hwptr_done_capture -= + runtime->buffer_size; + + cxsc->capture_transfer_done += length; + if (cxsc->capture_transfer_done >= + runtime->period_size) { + cxsc->capture_transfer_done -= + runtime->period_size; + period_elapsed = 1; + } + + snd_pcm_stream_unlock(substream); + + if (period_elapsed) + snd_pcm_period_elapsed(substream); +} + +static int snd_cx18_pcm_capture_open(struct snd_pcm_substream *substream) +{ + struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + struct v4l2_device *v4l2_dev = cxsc->v4l2_dev; + struct cx18 *cx = to_cx18(v4l2_dev); + struct cx18_stream *s; + struct cx18_open_id item; + int ret; + + /* Instruct the cx18 to start sending packets */ + snd_cx18_lock(cxsc); + s = &cx->streams[CX18_ENC_STREAM_TYPE_PCM]; + + item.cx = cx; + item.type = s->type; + item.open_id = cx->open_id++; + + /* See if the stream is available */ + if (cx18_claim_stream(&item, item.type)) { + /* No, it's already in use */ + snd_cx18_unlock(cxsc); + return -EBUSY; + } + + if (test_bit(CX18_F_S_STREAMOFF, &s->s_flags) || + test_and_set_bit(CX18_F_S_STREAMING, &s->s_flags)) { + /* We're already streaming. No additional action required */ + snd_cx18_unlock(cxsc); + return 0; + } + + + runtime->hw = snd_cx18_hw_capture; + snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); + cxsc->capture_pcm_substream = substream; + runtime->private_data = cx; + + cx->pcm_announce_callback = cx18_alsa_announce_pcm_data; + + /* Not currently streaming, so start it up */ + set_bit(CX18_F_S_STREAMING, &s->s_flags); + ret = cx18_start_v4l2_encode_stream(s); + snd_cx18_unlock(cxsc); + + return ret; +} + +static int snd_cx18_pcm_capture_close(struct snd_pcm_substream *substream) +{ + struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream); + struct v4l2_device *v4l2_dev = cxsc->v4l2_dev; + struct cx18 *cx = to_cx18(v4l2_dev); + struct cx18_stream *s; + + /* Instruct the cx18 to stop sending packets */ + snd_cx18_lock(cxsc); + s = &cx->streams[CX18_ENC_STREAM_TYPE_PCM]; + cx18_stop_v4l2_encode_stream(s, 0); + clear_bit(CX18_F_S_STREAMING, &s->s_flags); + + cx18_release_stream(s); + + cx->pcm_announce_callback = NULL; + snd_cx18_unlock(cxsc); + + return 0; +} + +static int snd_cx18_pcm_ioctl(struct snd_pcm_substream *substream, + unsigned int cmd, void *arg) +{ + struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream); + int ret; + + snd_cx18_lock(cxsc); + ret = snd_pcm_lib_ioctl(substream, cmd, arg); + snd_cx18_unlock(cxsc); + return ret; +} + + +static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs, + size_t size) +{ + struct snd_pcm_runtime *runtime = subs->runtime; + + dprintk("Allocating vbuffer\n"); + if (runtime->dma_area) { + if (runtime->dma_bytes > size) + return 0; + + vfree(runtime->dma_area); + } + runtime->dma_area = vmalloc(size); + if (!runtime->dma_area) + return -ENOMEM; + + runtime->dma_bytes = size; + + return 0; +} + +static int snd_cx18_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + dprintk("%s called\n", __func__); + + return snd_pcm_alloc_vmalloc_buffer(substream, + params_buffer_bytes(params)); +} + +static int snd_cx18_pcm_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream); + unsigned long flags; + + spin_lock_irqsave(&cxsc->slock, flags); + if (substream->runtime->dma_area) { + dprintk("freeing pcm capture region\n"); + vfree(substream->runtime->dma_area); + substream->runtime->dma_area = NULL; + } + spin_unlock_irqrestore(&cxsc->slock, flags); + + return 0; +} + +static int snd_cx18_pcm_prepare(struct snd_pcm_substream *substream) +{ + struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream); + + cxsc->hwptr_done_capture = 0; + cxsc->capture_transfer_done = 0; + + return 0; +} + +static int snd_cx18_pcm_trigger(struct snd_pcm_substream *substream, int cmd) +{ + return 0; +} + +static +snd_pcm_uframes_t snd_cx18_pcm_pointer(struct snd_pcm_substream *substream) +{ + unsigned long flags; + snd_pcm_uframes_t hwptr_done; + struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream); + + spin_lock_irqsave(&cxsc->slock, flags); + hwptr_done = cxsc->hwptr_done_capture; + spin_unlock_irqrestore(&cxsc->slock, flags); + + return hwptr_done; +} + +static struct page *snd_pcm_get_vmalloc_page(struct snd_pcm_substream *subs, + unsigned long offset) +{ + void *pageptr = subs->runtime->dma_area + offset; + + return vmalloc_to_page(pageptr); +} + +static struct snd_pcm_ops snd_cx18_pcm_capture_ops = { + .open = snd_cx18_pcm_capture_open, + .close = snd_cx18_pcm_capture_close, + .ioctl = snd_cx18_pcm_ioctl, + .hw_params = snd_cx18_pcm_hw_params, + .hw_free = snd_cx18_pcm_hw_free, + .prepare = snd_cx18_pcm_prepare, + .trigger = snd_cx18_pcm_trigger, + .pointer = snd_cx18_pcm_pointer, + .page = snd_pcm_get_vmalloc_page, +}; + +int snd_cx18_pcm_create(struct snd_cx18_card *cxsc) +{ + struct snd_pcm *sp; + struct snd_card *sc = cxsc->sc; + struct v4l2_device *v4l2_dev = cxsc->v4l2_dev; + struct cx18 *cx = to_cx18(v4l2_dev); + int ret; + + ret = snd_pcm_new(sc, "CX23418 PCM", + 0, /* PCM device 0, the only one for this card */ + 0, /* 0 playback substreams */ + 1, /* 1 capture substream */ + &sp); + if (ret) { + CX18_ALSA_ERR("%s: snd_cx18_pcm_create() failed with err %d\n", + __func__, ret); + goto err_exit; + } + + spin_lock_init(&cxsc->slock); + + snd_pcm_set_ops(sp, SNDRV_PCM_STREAM_CAPTURE, + &snd_cx18_pcm_capture_ops); + sp->info_flags = 0; + sp->private_data = cxsc; + strlcpy(sp->name, cx->card_name, sizeof(sp->name)); + + return 0; + +err_exit: + return ret; +} diff --git a/drivers/media/pci/cx18/cx18-alsa-pcm.h b/drivers/media/pci/cx18/cx18-alsa-pcm.h new file mode 100644 index 0000000..e2b2c5b --- /dev/null +++ b/drivers/media/pci/cx18/cx18-alsa-pcm.h @@ -0,0 +1,27 @@ +/* + * ALSA PCM device for the + * ALSA interface to cx18 PCM capture streams + * + * Copyright (C) 2009 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +int snd_cx18_pcm_create(struct snd_cx18_card *cxsc); + +/* Used by cx18-mailbox to announce the PCM data to the module */ +void cx18_alsa_announce_pcm_data(struct snd_cx18_card *card, u8 *pcm_data, + size_t num_bytes); diff --git a/drivers/media/pci/cx18/cx18-alsa.h b/drivers/media/pci/cx18/cx18-alsa.h new file mode 100644 index 0000000..447da37 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-alsa.h @@ -0,0 +1,75 @@ +/* + * ALSA interface to cx18 PCM capture streams + * + * Copyright (C) 2009 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +struct snd_card; + +struct snd_cx18_card { + struct v4l2_device *v4l2_dev; + struct snd_card *sc; + unsigned int capture_transfer_done; + unsigned int hwptr_done_capture; + struct snd_pcm_substream *capture_pcm_substream; + spinlock_t slock; +}; + +extern int cx18_alsa_debug; + +/* + * File operations that manipulate the encoder or video or audio subdevices + * need to be serialized. Use the same lock we use for v4l2 file ops. + */ +static inline void snd_cx18_lock(struct snd_cx18_card *cxsc) +{ + struct cx18 *cx = to_cx18(cxsc->v4l2_dev); + mutex_lock(&cx->serialize_lock); +} + +static inline void snd_cx18_unlock(struct snd_cx18_card *cxsc) +{ + struct cx18 *cx = to_cx18(cxsc->v4l2_dev); + mutex_unlock(&cx->serialize_lock); +} + +#define CX18_ALSA_DBGFLG_WARN (1 << 0) +#define CX18_ALSA_DBGFLG_WARN (1 << 0) +#define CX18_ALSA_DBGFLG_INFO (1 << 1) + +#define CX18_ALSA_DEBUG(x, type, fmt, args...) \ + do { \ + if ((x) & cx18_alsa_debug) \ + printk(KERN_INFO "%s-alsa: " type ": " fmt, \ + v4l2_dev->name , ## args); \ + } while (0) + +#define CX18_ALSA_DEBUG_WARN(fmt, args...) \ + CX18_ALSA_DEBUG(CX18_ALSA_DBGFLG_WARN, "warning", fmt , ## args) + +#define CX18_ALSA_DEBUG_INFO(fmt, args...) \ + CX18_ALSA_DEBUG(CX18_ALSA_DBGFLG_INFO, "info", fmt , ## args) + +#define CX18_ALSA_ERR(fmt, args...) \ + printk(KERN_ERR "%s-alsa: " fmt, v4l2_dev->name , ## args) + +#define CX18_ALSA_WARN(fmt, args...) \ + printk(KERN_WARNING "%s-alsa: " fmt, v4l2_dev->name , ## args) + +#define CX18_ALSA_INFO(fmt, args...) \ + printk(KERN_INFO "%s-alsa: " fmt, v4l2_dev->name , ## args) diff --git a/drivers/media/pci/cx18/cx18-audio.c b/drivers/media/pci/cx18/cx18-audio.c new file mode 100644 index 0000000..3526892 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-audio.c @@ -0,0 +1,92 @@ +/* + * cx18 audio-related functions + * + * Derived from ivtv-audio.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-io.h" +#include "cx18-cards.h" +#include "cx18-audio.h" + +#define CX18_AUDIO_ENABLE 0xc72014 +#define CX18_AI1_MUX_MASK 0x30 +#define CX18_AI1_MUX_I2S1 0x00 +#define CX18_AI1_MUX_I2S2 0x10 +#define CX18_AI1_MUX_843_I2S 0x20 + +/* Selects the audio input and output according to the current + settings. */ +int cx18_audio_set_io(struct cx18 *cx) +{ + const struct cx18_card_audio_input *in; + u32 u, v; + int err; + + /* Determine which input to use */ + if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) + in = &cx->card->radio_input; + else + in = &cx->card->audio_inputs[cx->audio_input]; + + /* handle muxer chips */ + v4l2_subdev_call(cx->sd_extmux, audio, s_routing, + (u32) in->muxer_input, 0, 0); + + err = cx18_call_hw_err(cx, cx->card->hw_audio_ctrl, + audio, s_routing, in->audio_input, 0, 0); + if (err) + return err; + + /* FIXME - this internal mux should be abstracted to a subdev */ + u = cx18_read_reg(cx, CX18_AUDIO_ENABLE); + v = u & ~CX18_AI1_MUX_MASK; + switch (in->audio_input) { + case CX18_AV_AUDIO_SERIAL1: + v |= CX18_AI1_MUX_I2S1; + break; + case CX18_AV_AUDIO_SERIAL2: + v |= CX18_AI1_MUX_I2S2; + break; + default: + v |= CX18_AI1_MUX_843_I2S; + break; + } + if (v == u) { + /* force a toggle of some AI1 MUX control bits */ + u &= ~CX18_AI1_MUX_MASK; + switch (in->audio_input) { + case CX18_AV_AUDIO_SERIAL1: + u |= CX18_AI1_MUX_843_I2S; + break; + case CX18_AV_AUDIO_SERIAL2: + u |= CX18_AI1_MUX_843_I2S; + break; + default: + u |= CX18_AI1_MUX_I2S1; + break; + } + cx18_write_reg_expect(cx, u | 0xb00, CX18_AUDIO_ENABLE, + u, CX18_AI1_MUX_MASK); + } + cx18_write_reg_expect(cx, v | 0xb00, CX18_AUDIO_ENABLE, + v, CX18_AI1_MUX_MASK); + return 0; +} diff --git a/drivers/media/pci/cx18/cx18-audio.h b/drivers/media/pci/cx18/cx18-audio.h new file mode 100644 index 0000000..2731d29 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-audio.h @@ -0,0 +1,24 @@ +/* + * cx18 audio-related functions + * + * Derived from ivtv-audio.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +int cx18_audio_set_io(struct cx18 *cx); diff --git a/drivers/media/pci/cx18/cx18-av-audio.c b/drivers/media/pci/cx18/cx18-av-audio.c new file mode 100644 index 0000000..4a24ffb --- /dev/null +++ b/drivers/media/pci/cx18/cx18-av-audio.c @@ -0,0 +1,471 @@ +/* + * cx18 ADEC audio functions + * + * Derived from cx25840-audio.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include "cx18-driver.h" + +static int set_audclk_freq(struct cx18 *cx, u32 freq) +{ + struct cx18_av_state *state = &cx->av_state; + + if (freq != 32000 && freq != 44100 && freq != 48000) + return -EINVAL; + + /* + * The PLL parameters are based on the external crystal frequency that + * would ideally be: + * + * NTSC Color subcarrier freq * 8 = + * 4.5 MHz/286 * 455/2 * 8 = 28.63636363... MHz + * + * The accidents of history and rationale that explain from where this + * combination of magic numbers originate can be found in: + * + * [1] Abrahams, I. C., "Choice of Chrominance Subcarrier Frequency in + * the NTSC Standards", Proceedings of the I-R-E, January 1954, pp 79-80 + * + * [2] Abrahams, I. C., "The 'Frequency Interleaving' Principle in the + * NTSC Standards", Proceedings of the I-R-E, January 1954, pp 81-83 + * + * As Mike Bradley has rightly pointed out, it's not the exact crystal + * frequency that matters, only that all parts of the driver and + * firmware are using the same value (close to the ideal value). + * + * Since I have a strong suspicion that, if the firmware ever assumes a + * crystal value at all, it will assume 28.636360 MHz, the crystal + * freq used in calculations in this driver will be: + * + * xtal_freq = 28.636360 MHz + * + * an error of less than 0.13 ppm which is way, way better than any off + * the shelf crystal will have for accuracy anyway. + * + * Below I aim to run the PLLs' VCOs near 400 MHz to minimze error. + * + * Many thanks to Jeff Campbell and Mike Bradley for their extensive + * investigation, experimentation, testing, and suggested solutions of + * of audio/video sync problems with SVideo and CVBS captures. + */ + + if (state->aud_input > CX18_AV_AUDIO_SERIAL2) { + switch (freq) { + case 32000: + /* + * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04 + * AUX_PLL Integer = 0x0d, AUX PLL Post Divider = 0x20 + */ + cx18_av_write4(cx, 0x108, 0x200d040f); + + /* VID_PLL Fraction = 0x2be2fe */ + /* xtal * 0xf.15f17f0/4 = 108 MHz: 432 MHz pre-postdiv*/ + cx18_av_write4(cx, 0x10c, 0x002be2fe); + + /* AUX_PLL Fraction = 0x176740c */ + /* xtal * 0xd.bb3a060/0x20 = 32000 * 384: 393 MHz p-pd*/ + cx18_av_write4(cx, 0x110, 0x0176740c); + + /* src3/4/6_ctl */ + /* 0x1.f77f = (4 * xtal/8*2/455) / 32000 */ + cx18_av_write4(cx, 0x900, 0x0801f77f); + cx18_av_write4(cx, 0x904, 0x0801f77f); + cx18_av_write4(cx, 0x90c, 0x0801f77f); + + /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x20 */ + cx18_av_write(cx, 0x127, 0x60); + + /* AUD_COUNT = 0x2fff = 8 samples * 4 * 384 - 1 */ + cx18_av_write4(cx, 0x12c, 0x11202fff); + + /* + * EN_AV_LOCK = 0 + * VID_COUNT = 0x0d2ef8 = 107999.000 * 8 = + * ((8 samples/32,000) * (13,500,000 * 8) * 4 - 1) * 8 + */ + cx18_av_write4(cx, 0x128, 0xa00d2ef8); + break; + + case 44100: + /* + * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04 + * AUX_PLL Integer = 0x0e, AUX PLL Post Divider = 0x18 + */ + cx18_av_write4(cx, 0x108, 0x180e040f); + + /* VID_PLL Fraction = 0x2be2fe */ + /* xtal * 0xf.15f17f0/4 = 108 MHz: 432 MHz pre-postdiv*/ + cx18_av_write4(cx, 0x10c, 0x002be2fe); + + /* AUX_PLL Fraction = 0x062a1f2 */ + /* xtal * 0xe.3150f90/0x18 = 44100 * 384: 406 MHz p-pd*/ + cx18_av_write4(cx, 0x110, 0x0062a1f2); + + /* src3/4/6_ctl */ + /* 0x1.6d59 = (4 * xtal/8*2/455) / 44100 */ + cx18_av_write4(cx, 0x900, 0x08016d59); + cx18_av_write4(cx, 0x904, 0x08016d59); + cx18_av_write4(cx, 0x90c, 0x08016d59); + + /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x18 */ + cx18_av_write(cx, 0x127, 0x58); + + /* AUD_COUNT = 0x92ff = 49 samples * 2 * 384 - 1 */ + cx18_av_write4(cx, 0x12c, 0x112092ff); + + /* + * EN_AV_LOCK = 0 + * VID_COUNT = 0x1d4bf8 = 239999.000 * 8 = + * ((49 samples/44,100) * (13,500,000 * 8) * 2 - 1) * 8 + */ + cx18_av_write4(cx, 0x128, 0xa01d4bf8); + break; + + case 48000: + /* + * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04 + * AUX_PLL Integer = 0x0e, AUX PLL Post Divider = 0x16 + */ + cx18_av_write4(cx, 0x108, 0x160e040f); + + /* VID_PLL Fraction = 0x2be2fe */ + /* xtal * 0xf.15f17f0/4 = 108 MHz: 432 MHz pre-postdiv*/ + cx18_av_write4(cx, 0x10c, 0x002be2fe); + + /* AUX_PLL Fraction = 0x05227ad */ + /* xtal * 0xe.2913d68/0x16 = 48000 * 384: 406 MHz p-pd*/ + cx18_av_write4(cx, 0x110, 0x005227ad); + + /* src3/4/6_ctl */ + /* 0x1.4faa = (4 * xtal/8*2/455) / 48000 */ + cx18_av_write4(cx, 0x900, 0x08014faa); + cx18_av_write4(cx, 0x904, 0x08014faa); + cx18_av_write4(cx, 0x90c, 0x08014faa); + + /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x16 */ + cx18_av_write(cx, 0x127, 0x56); + + /* AUD_COUNT = 0x5fff = 4 samples * 16 * 384 - 1 */ + cx18_av_write4(cx, 0x12c, 0x11205fff); + + /* + * EN_AV_LOCK = 0 + * VID_COUNT = 0x1193f8 = 143999.000 * 8 = + * ((4 samples/48,000) * (13,500,000 * 8) * 16 - 1) * 8 + */ + cx18_av_write4(cx, 0x128, 0xa01193f8); + break; + } + } else { + switch (freq) { + case 32000: + /* + * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04 + * AUX_PLL Integer = 0x0d, AUX PLL Post Divider = 0x30 + */ + cx18_av_write4(cx, 0x108, 0x300d040f); + + /* VID_PLL Fraction = 0x2be2fe */ + /* xtal * 0xf.15f17f0/4 = 108 MHz: 432 MHz pre-postdiv*/ + cx18_av_write4(cx, 0x10c, 0x002be2fe); + + /* AUX_PLL Fraction = 0x176740c */ + /* xtal * 0xd.bb3a060/0x30 = 32000 * 256: 393 MHz p-pd*/ + cx18_av_write4(cx, 0x110, 0x0176740c); + + /* src1_ctl */ + /* 0x1.0000 = 32000/32000 */ + cx18_av_write4(cx, 0x8f8, 0x08010000); + + /* src3/4/6_ctl */ + /* 0x2.0000 = 2 * (32000/32000) */ + cx18_av_write4(cx, 0x900, 0x08020000); + cx18_av_write4(cx, 0x904, 0x08020000); + cx18_av_write4(cx, 0x90c, 0x08020000); + + /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x30 */ + cx18_av_write(cx, 0x127, 0x70); + + /* AUD_COUNT = 0x1fff = 8 samples * 4 * 256 - 1 */ + cx18_av_write4(cx, 0x12c, 0x11201fff); + + /* + * EN_AV_LOCK = 0 + * VID_COUNT = 0x0d2ef8 = 107999.000 * 8 = + * ((8 samples/32,000) * (13,500,000 * 8) * 4 - 1) * 8 + */ + cx18_av_write4(cx, 0x128, 0xa00d2ef8); + break; + + case 44100: + /* + * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04 + * AUX_PLL Integer = 0x0e, AUX PLL Post Divider = 0x24 + */ + cx18_av_write4(cx, 0x108, 0x240e040f); + + /* VID_PLL Fraction = 0x2be2fe */ + /* xtal * 0xf.15f17f0/4 = 108 MHz: 432 MHz pre-postdiv*/ + cx18_av_write4(cx, 0x10c, 0x002be2fe); + + /* AUX_PLL Fraction = 0x062a1f2 */ + /* xtal * 0xe.3150f90/0x24 = 44100 * 256: 406 MHz p-pd*/ + cx18_av_write4(cx, 0x110, 0x0062a1f2); + + /* src1_ctl */ + /* 0x1.60cd = 44100/32000 */ + cx18_av_write4(cx, 0x8f8, 0x080160cd); + + /* src3/4/6_ctl */ + /* 0x1.7385 = 2 * (32000/44100) */ + cx18_av_write4(cx, 0x900, 0x08017385); + cx18_av_write4(cx, 0x904, 0x08017385); + cx18_av_write4(cx, 0x90c, 0x08017385); + + /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x24 */ + cx18_av_write(cx, 0x127, 0x64); + + /* AUD_COUNT = 0x61ff = 49 samples * 2 * 256 - 1 */ + cx18_av_write4(cx, 0x12c, 0x112061ff); + + /* + * EN_AV_LOCK = 0 + * VID_COUNT = 0x1d4bf8 = 239999.000 * 8 = + * ((49 samples/44,100) * (13,500,000 * 8) * 2 - 1) * 8 + */ + cx18_av_write4(cx, 0x128, 0xa01d4bf8); + break; + + case 48000: + /* + * VID_PLL Integer = 0x0f, VID_PLL Post Divider = 0x04 + * AUX_PLL Integer = 0x0d, AUX PLL Post Divider = 0x20 + */ + cx18_av_write4(cx, 0x108, 0x200d040f); + + /* VID_PLL Fraction = 0x2be2fe */ + /* xtal * 0xf.15f17f0/4 = 108 MHz: 432 MHz pre-postdiv*/ + cx18_av_write4(cx, 0x10c, 0x002be2fe); + + /* AUX_PLL Fraction = 0x176740c */ + /* xtal * 0xd.bb3a060/0x20 = 48000 * 256: 393 MHz p-pd*/ + cx18_av_write4(cx, 0x110, 0x0176740c); + + /* src1_ctl */ + /* 0x1.8000 = 48000/32000 */ + cx18_av_write4(cx, 0x8f8, 0x08018000); + + /* src3/4/6_ctl */ + /* 0x1.5555 = 2 * (32000/48000) */ + cx18_av_write4(cx, 0x900, 0x08015555); + cx18_av_write4(cx, 0x904, 0x08015555); + cx18_av_write4(cx, 0x90c, 0x08015555); + + /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x20 */ + cx18_av_write(cx, 0x127, 0x60); + + /* AUD_COUNT = 0x3fff = 4 samples * 16 * 256 - 1 */ + cx18_av_write4(cx, 0x12c, 0x11203fff); + + /* + * EN_AV_LOCK = 0 + * VID_COUNT = 0x1193f8 = 143999.000 * 8 = + * ((4 samples/48,000) * (13,500,000 * 8) * 16 - 1) * 8 + */ + cx18_av_write4(cx, 0x128, 0xa01193f8); + break; + } + } + + state->audclk_freq = freq; + + return 0; +} + +void cx18_av_audio_set_path(struct cx18 *cx) +{ + struct cx18_av_state *state = &cx->av_state; + u8 v; + + /* stop microcontroller */ + v = cx18_av_read(cx, 0x803) & ~0x10; + cx18_av_write_expect(cx, 0x803, v, v, 0x1f); + + /* assert soft reset */ + v = cx18_av_read(cx, 0x810) | 0x01; + cx18_av_write_expect(cx, 0x810, v, v, 0x0f); + + /* Mute everything to prevent the PFFT! */ + cx18_av_write(cx, 0x8d3, 0x1f); + + if (state->aud_input <= CX18_AV_AUDIO_SERIAL2) { + /* Set Path1 to Serial Audio Input */ + cx18_av_write4(cx, 0x8d0, 0x01011012); + + /* The microcontroller should not be started for the + * non-tuner inputs: autodetection is specific for + * TV audio. */ + } else { + /* Set Path1 to Analog Demod Main Channel */ + cx18_av_write4(cx, 0x8d0, 0x1f063870); + } + + set_audclk_freq(cx, state->audclk_freq); + + /* deassert soft reset */ + v = cx18_av_read(cx, 0x810) & ~0x01; + cx18_av_write_expect(cx, 0x810, v, v, 0x0f); + + if (state->aud_input > CX18_AV_AUDIO_SERIAL2) { + /* When the microcontroller detects the + * audio format, it will unmute the lines */ + v = cx18_av_read(cx, 0x803) | 0x10; + cx18_av_write_expect(cx, 0x803, v, v, 0x1f); + } +} + +static void set_volume(struct cx18 *cx, int volume) +{ + /* First convert the volume to msp3400 values (0-127) */ + int vol = volume >> 9; + /* now scale it up to cx18_av values + * -114dB to -96dB maps to 0 + * this should be 19, but in my testing that was 4dB too loud */ + if (vol <= 23) + vol = 0; + else + vol -= 23; + + /* PATH1_VOLUME */ + cx18_av_write(cx, 0x8d4, 228 - (vol * 2)); +} + +static void set_bass(struct cx18 *cx, int bass) +{ + /* PATH1_EQ_BASS_VOL */ + cx18_av_and_or(cx, 0x8d9, ~0x3f, 48 - (bass * 48 / 0xffff)); +} + +static void set_treble(struct cx18 *cx, int treble) +{ + /* PATH1_EQ_TREBLE_VOL */ + cx18_av_and_or(cx, 0x8db, ~0x3f, 48 - (treble * 48 / 0xffff)); +} + +static void set_balance(struct cx18 *cx, int balance) +{ + int bal = balance >> 8; + if (bal > 0x80) { + /* PATH1_BAL_LEFT */ + cx18_av_and_or(cx, 0x8d5, 0x7f, 0x80); + /* PATH1_BAL_LEVEL */ + cx18_av_and_or(cx, 0x8d5, ~0x7f, bal & 0x7f); + } else { + /* PATH1_BAL_LEFT */ + cx18_av_and_or(cx, 0x8d5, 0x7f, 0x00); + /* PATH1_BAL_LEVEL */ + cx18_av_and_or(cx, 0x8d5, ~0x7f, 0x80 - bal); + } +} + +static void set_mute(struct cx18 *cx, int mute) +{ + struct cx18_av_state *state = &cx->av_state; + u8 v; + + if (state->aud_input > CX18_AV_AUDIO_SERIAL2) { + /* Must turn off microcontroller in order to mute sound. + * Not sure if this is the best method, but it does work. + * If the microcontroller is running, then it will undo any + * changes to the mute register. */ + v = cx18_av_read(cx, 0x803); + if (mute) { + /* disable microcontroller */ + v &= ~0x10; + cx18_av_write_expect(cx, 0x803, v, v, 0x1f); + cx18_av_write(cx, 0x8d3, 0x1f); + } else { + /* enable microcontroller */ + v |= 0x10; + cx18_av_write_expect(cx, 0x803, v, v, 0x1f); + } + } else { + /* SRC1_MUTE_EN */ + cx18_av_and_or(cx, 0x8d3, ~0x2, mute ? 0x02 : 0x00); + } +} + +int cx18_av_s_clock_freq(struct v4l2_subdev *sd, u32 freq) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + struct cx18_av_state *state = &cx->av_state; + int retval; + u8 v; + + if (state->aud_input > CX18_AV_AUDIO_SERIAL2) { + v = cx18_av_read(cx, 0x803) & ~0x10; + cx18_av_write_expect(cx, 0x803, v, v, 0x1f); + cx18_av_write(cx, 0x8d3, 0x1f); + } + v = cx18_av_read(cx, 0x810) | 0x1; + cx18_av_write_expect(cx, 0x810, v, v, 0x0f); + + retval = set_audclk_freq(cx, freq); + + v = cx18_av_read(cx, 0x810) & ~0x1; + cx18_av_write_expect(cx, 0x810, v, v, 0x0f); + if (state->aud_input > CX18_AV_AUDIO_SERIAL2) { + v = cx18_av_read(cx, 0x803) | 0x10; + cx18_av_write_expect(cx, 0x803, v, v, 0x1f); + } + return retval; +} + +static int cx18_av_audio_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct v4l2_subdev *sd = to_sd(ctrl); + struct cx18 *cx = v4l2_get_subdevdata(sd); + + switch (ctrl->id) { + case V4L2_CID_AUDIO_VOLUME: + set_volume(cx, ctrl->val); + break; + case V4L2_CID_AUDIO_BASS: + set_bass(cx, ctrl->val); + break; + case V4L2_CID_AUDIO_TREBLE: + set_treble(cx, ctrl->val); + break; + case V4L2_CID_AUDIO_BALANCE: + set_balance(cx, ctrl->val); + break; + case V4L2_CID_AUDIO_MUTE: + set_mute(cx, ctrl->val); + break; + default: + return -EINVAL; + } + return 0; +} + +const struct v4l2_ctrl_ops cx18_av_audio_ctrl_ops = { + .s_ctrl = cx18_av_audio_s_ctrl, +}; diff --git a/drivers/media/pci/cx18/cx18-av-core.c b/drivers/media/pci/cx18/cx18-av-core.c new file mode 100644 index 0000000..5350d8f --- /dev/null +++ b/drivers/media/pci/cx18/cx18-av-core.c @@ -0,0 +1,1401 @@ +/* + * cx18 ADEC audio functions + * + * Derived from cx25840-core.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include <media/v4l2-chip-ident.h> +#include "cx18-driver.h" +#include "cx18-io.h" +#include "cx18-cards.h" + +int cx18_av_write(struct cx18 *cx, u16 addr, u8 value) +{ + u32 reg = 0xc40000 + (addr & ~3); + u32 mask = 0xff; + int shift = (addr & 3) * 8; + u32 x = cx18_read_reg(cx, reg); + + x = (x & ~(mask << shift)) | ((u32)value << shift); + cx18_write_reg(cx, x, reg); + return 0; +} + +int cx18_av_write_expect(struct cx18 *cx, u16 addr, u8 value, u8 eval, u8 mask) +{ + u32 reg = 0xc40000 + (addr & ~3); + int shift = (addr & 3) * 8; + u32 x = cx18_read_reg(cx, reg); + + x = (x & ~((u32)0xff << shift)) | ((u32)value << shift); + cx18_write_reg_expect(cx, x, reg, + ((u32)eval << shift), ((u32)mask << shift)); + return 0; +} + +int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value) +{ + cx18_write_reg(cx, value, 0xc40000 + addr); + return 0; +} + +int +cx18_av_write4_expect(struct cx18 *cx, u16 addr, u32 value, u32 eval, u32 mask) +{ + cx18_write_reg_expect(cx, value, 0xc40000 + addr, eval, mask); + return 0; +} + +int cx18_av_write4_noretry(struct cx18 *cx, u16 addr, u32 value) +{ + cx18_write_reg_noretry(cx, value, 0xc40000 + addr); + return 0; +} + +u8 cx18_av_read(struct cx18 *cx, u16 addr) +{ + u32 x = cx18_read_reg(cx, 0xc40000 + (addr & ~3)); + int shift = (addr & 3) * 8; + + return (x >> shift) & 0xff; +} + +u32 cx18_av_read4(struct cx18 *cx, u16 addr) +{ + return cx18_read_reg(cx, 0xc40000 + addr); +} + +int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask, + u8 or_value) +{ + return cx18_av_write(cx, addr, + (cx18_av_read(cx, addr) & and_mask) | + or_value); +} + +int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 and_mask, + u32 or_value) +{ + return cx18_av_write4(cx, addr, + (cx18_av_read4(cx, addr) & and_mask) | + or_value); +} + +static void cx18_av_init(struct cx18 *cx) +{ + /* + * The crystal freq used in calculations in this driver will be + * 28.636360 MHz. + * Aim to run the PLLs' VCOs near 400 MHz to minimze errors. + */ + + /* + * VDCLK Integer = 0x0f, Post Divider = 0x04 + * AIMCLK Integer = 0x0e, Post Divider = 0x16 + */ + cx18_av_write4(cx, CXADEC_PLL_CTRL1, 0x160e040f); + + /* VDCLK Fraction = 0x2be2fe */ + /* xtal * 0xf.15f17f0/4 = 108 MHz: 432 MHz before post divide */ + cx18_av_write4(cx, CXADEC_VID_PLL_FRAC, 0x002be2fe); + + /* AIMCLK Fraction = 0x05227ad */ + /* xtal * 0xe.2913d68/0x16 = 48000 * 384: 406 MHz pre post-div*/ + cx18_av_write4(cx, CXADEC_AUX_PLL_FRAC, 0x005227ad); + + /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x16 */ + cx18_av_write(cx, CXADEC_I2S_MCLK, 0x56); +} + +static void cx18_av_initialize(struct v4l2_subdev *sd) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + int default_volume; + u32 v; + + cx18_av_loadfw(cx); + /* Stop 8051 code execution */ + cx18_av_write4_expect(cx, CXADEC_DL_CTL, 0x03000000, + 0x03000000, 0x13000000); + + /* initallize the PLL by toggling sleep bit */ + v = cx18_av_read4(cx, CXADEC_HOST_REG1); + /* enable sleep mode - register appears to be read only... */ + cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v | 1, v, 0xfffe); + /* disable sleep mode */ + cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v & 0xfffe, + v & 0xfffe, 0xffff); + + /* initialize DLLs */ + v = cx18_av_read4(cx, CXADEC_DLL1_DIAG_CTRL) & 0xE1FFFEFF; + /* disable FLD */ + cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v); + /* enable FLD */ + cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v | 0x10000100); + + v = cx18_av_read4(cx, CXADEC_DLL2_DIAG_CTRL) & 0xE1FFFEFF; + /* disable FLD */ + cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v); + /* enable FLD */ + cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v | 0x06000100); + + /* set analog bias currents. Set Vreg to 1.20V. */ + cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL1, 0x000A1802); + + v = cx18_av_read4(cx, CXADEC_AFE_DIAG_CTRL3) | 1; + /* enable TUNE_FIL_RST */ + cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3, v, v, 0x03009F0F); + /* disable TUNE_FIL_RST */ + cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3, + v & 0xFFFFFFFE, v & 0xFFFFFFFE, 0x03009F0F); + + /* enable 656 output */ + cx18_av_and_or4(cx, CXADEC_PIN_CTRL1, ~0, 0x040C00); + + /* video output drive strength */ + cx18_av_and_or4(cx, CXADEC_PIN_CTRL2, ~0, 0x2); + + /* reset video */ + cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0x8000); + cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0); + + /* + * Disable Video Auto-config of the Analog Front End and Video PLL. + * + * Since we only use BT.656 pixel mode, which works for both 525 and 625 + * line systems, it's just easier for us to set registers + * 0x102 (CXADEC_CHIP_CTRL), 0x104-0x106 (CXADEC_AFE_CTRL), + * 0x108-0x109 (CXADEC_PLL_CTRL1), and 0x10c-0x10f (CXADEC_VID_PLL_FRAC) + * ourselves, than to run around cleaning up after the auto-config. + * + * (Note: my CX23418 chip doesn't seem to let the ACFG_DIS bit + * get set to 1, but OTOH, it doesn't seem to do AFE and VID PLL + * autoconfig either.) + * + * As a default, also turn off Dual mode for ADC2 and set ADC2 to CH3. + */ + cx18_av_and_or4(cx, CXADEC_CHIP_CTRL, 0xFFFBFFFF, 0x00120000); + + /* Setup the Video and and Aux/Audio PLLs */ + cx18_av_init(cx); + + /* set video to auto-detect */ + /* Clear bits 11-12 to enable slow locking mode. Set autodetect mode */ + /* set the comb notch = 1 */ + cx18_av_and_or4(cx, CXADEC_MODE_CTRL, 0xFFF7E7F0, 0x02040800); + + /* Enable wtw_en in CRUSH_CTRL (Set bit 22) */ + /* Enable maj_sel in CRUSH_CTRL (Set bit 20) */ + cx18_av_and_or4(cx, CXADEC_CRUSH_CTRL, ~0, 0x00500000); + + /* Set VGA_TRACK_RANGE to 0x20 */ + cx18_av_and_or4(cx, CXADEC_DFE_CTRL2, 0xFFFF00FF, 0x00002000); + + /* + * Initial VBI setup + * VIP-1.1, 10 bit mode, enable Raw, disable sliced, + * don't clamp raw samples when codes are in use, 1 byte user D-words, + * IDID0 has line #, RP code V bit transition on VBLANK, data during + * blanking intervals + */ + cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4013252e); + + /* Set the video input. + The setting in MODE_CTRL gets lost when we do the above setup */ + /* EncSetSignalStd(dwDevNum, pEnc->dwSigStd); */ + /* EncSetVideoInput(dwDevNum, pEnc->VidIndSelection); */ + + /* + * Analog Front End (AFE) + * Default to luma on ch1/ADC1, chroma on ch2/ADC2, SIF on ch3/ADC2 + * bypass_ch[1-3] use filter + * droop_comp_ch[1-3] disable + * clamp_en_ch[1-3] disable + * aud_in_sel ADC2 + * luma_in_sel ADC1 + * chroma_in_sel ADC2 + * clamp_sel_ch[2-3] midcode + * clamp_sel_ch1 video decoder + * vga_sel_ch3 audio decoder + * vga_sel_ch[1-2] video decoder + * half_bw_ch[1-3] disable + * +12db_ch[1-3] disable + */ + cx18_av_and_or4(cx, CXADEC_AFE_CTRL, 0xFF000000, 0x00005D00); + +/* if(dwEnable && dw3DCombAvailable) { */ +/* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x7728021F); */ +/* } else { */ +/* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x6628021F); */ +/* } */ + cx18_av_write4(cx, CXADEC_SRC_COMB_CFG, 0x6628021F); + default_volume = cx18_av_read(cx, 0x8d4); + /* + * Enforce the legacy volume scale mapping limits to avoid + * -ERANGE errors when initializing the volume control + */ + if (default_volume > 228) { + /* Bottom out at -96 dB, v4l2 vol range 0x2e00-0x2fff */ + default_volume = 228; + cx18_av_write(cx, 0x8d4, 228); + } else if (default_volume < 20) { + /* Top out at + 8 dB, v4l2 vol range 0xfe00-0xffff */ + default_volume = 20; + cx18_av_write(cx, 0x8d4, 20); + } + default_volume = (((228 - default_volume) >> 1) + 23) << 9; + state->volume->cur.val = state->volume->default_value = default_volume; + v4l2_ctrl_handler_setup(&state->hdl); +} + +static int cx18_av_reset(struct v4l2_subdev *sd, u32 val) +{ + cx18_av_initialize(sd); + return 0; +} + +static int cx18_av_load_fw(struct v4l2_subdev *sd) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + + if (!state->is_initialized) { + /* initialize on first use */ + state->is_initialized = 1; + cx18_av_initialize(sd); + } + return 0; +} + +void cx18_av_std_setup(struct cx18 *cx) +{ + struct cx18_av_state *state = &cx->av_state; + struct v4l2_subdev *sd = &state->sd; + v4l2_std_id std = state->std; + + /* + * Video ADC crystal clock to pixel clock SRC decimation ratio + * 28.636360 MHz/13.5 Mpps * 256 = 0x21f.07b + */ + const int src_decimation = 0x21f; + + int hblank, hactive, burst, vblank, vactive, sc; + int vblank656; + int luma_lpf, uv_lpf, comb; + u32 pll_int, pll_frac, pll_post; + + /* datasheet startup, step 8d */ + if (std & ~V4L2_STD_NTSC) + cx18_av_write(cx, 0x49f, 0x11); + else + cx18_av_write(cx, 0x49f, 0x14); + + /* + * Note: At the end of a field, there are 3 sets of half line duration + * (double horizontal rate) pulses: + * + * 5 (625) or 6 (525) half-lines to blank for the vertical retrace + * 5 (625) or 6 (525) vertical sync pulses of half line duration + * 5 (625) or 6 (525) half-lines of equalization pulses + */ + if (std & V4L2_STD_625_50) { + /* + * The following relationships of half line counts should hold: + * 625 = vblank656 + vactive + * 10 = vblank656 - vblank = vsync pulses + equalization pulses + * + * vblank656: half lines after line 625/mid-313 of blanked video + * vblank: half lines, after line 5/317, of blanked video + * vactive: half lines of active video + + * 5 half lines after the end of active video + * + * As far as I can tell: + * vblank656 starts counting from the falling edge of the first + * vsync pulse (start of line 1 or mid-313) + * vblank starts counting from the after the 5 vsync pulses and + * 5 or 4 equalization pulses (start of line 6 or 318) + * + * For 625 line systems the driver will extract VBI information + * from lines 6-23 and lines 318-335 (but the slicer can only + * handle 17 lines, not the 18 in the vblank region). + * In addition, we need vblank656 and vblank to be one whole + * line longer, to cover line 24 and 336, so the SAV/EAV RP + * codes get generated such that the encoder can actually + * extract line 23 & 335 (WSS). We'll lose 1 line in each field + * at the top of the screen. + * + * It appears the 5 half lines that happen after active + * video must be included in vactive (579 instead of 574), + * otherwise the colors get badly displayed in various regions + * of the screen. I guess the chroma comb filter gets confused + * without them (at least when a PVR-350 is the PAL source). + */ + vblank656 = 48; /* lines 1 - 24 & 313 - 336 */ + vblank = 38; /* lines 6 - 24 & 318 - 336 */ + vactive = 579; /* lines 24 - 313 & 337 - 626 */ + + /* + * For a 13.5 Mpps clock and 15,625 Hz line rate, a line is + * is 864 pixels = 720 active + 144 blanking. ITU-R BT.601 + * specifies 12 luma clock periods or ~ 0.9 * 13.5 Mpps after + * the end of active video to start a horizontal line, so that + * leaves 132 pixels of hblank to ignore. + */ + hblank = 132; + hactive = 720; + + /* + * Burst gate delay (for 625 line systems) + * Hsync leading edge to color burst rise = 5.6 us + * Color burst width = 2.25 us + * Gate width = 4 pixel clocks + * (5.6 us + 2.25/2 us) * 13.5 Mpps + 4/2 clocks = 92.79 clocks + */ + burst = 93; + luma_lpf = 2; + if (std & V4L2_STD_PAL) { + uv_lpf = 1; + comb = 0x20; + /* sc = 4433618.75 * src_decimation/28636360 * 2^13 */ + sc = 688700; + } else if (std == V4L2_STD_PAL_Nc) { + uv_lpf = 1; + comb = 0x20; + /* sc = 3582056.25 * src_decimation/28636360 * 2^13 */ + sc = 556422; + } else { /* SECAM */ + uv_lpf = 0; + comb = 0; + /* (fr + fb)/2 = (4406260 + 4250000)/2 = 4328130 */ + /* sc = 4328130 * src_decimation/28636360 * 2^13 */ + sc = 672314; + } + } else { + /* + * The following relationships of half line counts should hold: + * 525 = prevsync + vblank656 + vactive + * 12 = vblank656 - vblank = vsync pulses + equalization pulses + * + * prevsync: 6 half-lines before the vsync pulses + * vblank656: half lines, after line 3/mid-266, of blanked video + * vblank: half lines, after line 9/272, of blanked video + * vactive: half lines of active video + * + * As far as I can tell: + * vblank656 starts counting from the falling edge of the first + * vsync pulse (start of line 4 or mid-266) + * vblank starts counting from the after the 6 vsync pulses and + * 6 or 5 equalization pulses (start of line 10 or 272) + * + * For 525 line systems the driver will extract VBI information + * from lines 10-21 and lines 273-284. + */ + vblank656 = 38; /* lines 4 - 22 & 266 - 284 */ + vblank = 26; /* lines 10 - 22 & 272 - 284 */ + vactive = 481; /* lines 23 - 263 & 285 - 525 */ + + /* + * For a 13.5 Mpps clock and 15,734.26 Hz line rate, a line is + * is 858 pixels = 720 active + 138 blanking. The Hsync leading + * edge should happen 1.2 us * 13.5 Mpps ~= 16 pixels after the + * end of active video, leaving 122 pixels of hblank to ignore + * before active video starts. + */ + hactive = 720; + hblank = 122; + luma_lpf = 1; + uv_lpf = 1; + + /* + * Burst gate delay (for 525 line systems) + * Hsync leading edge to color burst rise = 5.3 us + * Color burst width = 2.5 us + * Gate width = 4 pixel clocks + * (5.3 us + 2.5/2 us) * 13.5 Mpps + 4/2 clocks = 90.425 clocks + */ + if (std == V4L2_STD_PAL_60) { + burst = 90; + luma_lpf = 2; + comb = 0x20; + /* sc = 4433618.75 * src_decimation/28636360 * 2^13 */ + sc = 688700; + } else if (std == V4L2_STD_PAL_M) { + /* The 97 needs to be verified against PAL-M timings */ + burst = 97; + comb = 0x20; + /* sc = 3575611.49 * src_decimation/28636360 * 2^13 */ + sc = 555421; + } else { + burst = 90; + comb = 0x66; + /* sc = 3579545.45.. * src_decimation/28636360 * 2^13 */ + sc = 556032; + } + } + + /* DEBUG: Displays configured PLL frequency */ + pll_int = cx18_av_read(cx, 0x108); + pll_frac = cx18_av_read4(cx, 0x10c) & 0x1ffffff; + pll_post = cx18_av_read(cx, 0x109); + CX18_DEBUG_INFO_DEV(sd, "PLL regs = int: %u, frac: %u, post: %u\n", + pll_int, pll_frac, pll_post); + + if (pll_post) { + int fsc, pll; + u64 tmp; + + pll = (28636360L * ((((u64)pll_int) << 25) + pll_frac)) >> 25; + pll /= pll_post; + CX18_DEBUG_INFO_DEV(sd, "Video PLL = %d.%06d MHz\n", + pll / 1000000, pll % 1000000); + CX18_DEBUG_INFO_DEV(sd, "Pixel rate = %d.%06d Mpixel/sec\n", + pll / 8000000, (pll / 8) % 1000000); + + CX18_DEBUG_INFO_DEV(sd, "ADC XTAL/pixel clock decimation ratio " + "= %d.%03d\n", src_decimation / 256, + ((src_decimation % 256) * 1000) / 256); + + tmp = 28636360 * (u64) sc; + do_div(tmp, src_decimation); + fsc = tmp >> 13; + CX18_DEBUG_INFO_DEV(sd, + "Chroma sub-carrier initial freq = %d.%06d " + "MHz\n", fsc / 1000000, fsc % 1000000); + + CX18_DEBUG_INFO_DEV(sd, "hblank %i, hactive %i, vblank %i, " + "vactive %i, vblank656 %i, src_dec %i, " + "burst 0x%02x, luma_lpf %i, uv_lpf %i, " + "comb 0x%02x, sc 0x%06x\n", + hblank, hactive, vblank, vactive, vblank656, + src_decimation, burst, luma_lpf, uv_lpf, + comb, sc); + } + + /* Sets horizontal blanking delay and active lines */ + cx18_av_write(cx, 0x470, hblank); + cx18_av_write(cx, 0x471, 0xff & (((hblank >> 8) & 0x3) | + (hactive << 4))); + cx18_av_write(cx, 0x472, hactive >> 4); + + /* Sets burst gate delay */ + cx18_av_write(cx, 0x473, burst); + + /* Sets vertical blanking delay and active duration */ + cx18_av_write(cx, 0x474, vblank); + cx18_av_write(cx, 0x475, 0xff & (((vblank >> 8) & 0x3) | + (vactive << 4))); + cx18_av_write(cx, 0x476, vactive >> 4); + cx18_av_write(cx, 0x477, vblank656); + + /* Sets src decimation rate */ + cx18_av_write(cx, 0x478, 0xff & src_decimation); + cx18_av_write(cx, 0x479, 0xff & (src_decimation >> 8)); + + /* Sets Luma and UV Low pass filters */ + cx18_av_write(cx, 0x47a, luma_lpf << 6 | ((uv_lpf << 4) & 0x30)); + + /* Enables comb filters */ + cx18_av_write(cx, 0x47b, comb); + + /* Sets SC Step*/ + cx18_av_write(cx, 0x47c, sc); + cx18_av_write(cx, 0x47d, 0xff & sc >> 8); + cx18_av_write(cx, 0x47e, 0xff & sc >> 16); + + if (std & V4L2_STD_625_50) { + state->slicer_line_delay = 1; + state->slicer_line_offset = (6 + state->slicer_line_delay - 2); + } else { + state->slicer_line_delay = 0; + state->slicer_line_offset = (10 + state->slicer_line_delay - 2); + } + cx18_av_write(cx, 0x47f, state->slicer_line_delay); +} + +static void input_change(struct cx18 *cx) +{ + struct cx18_av_state *state = &cx->av_state; + v4l2_std_id std = state->std; + u8 v; + + /* Follow step 8c and 8d of section 3.16 in the cx18_av datasheet */ + cx18_av_write(cx, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11); + cx18_av_and_or(cx, 0x401, ~0x60, 0); + cx18_av_and_or(cx, 0x401, ~0x60, 0x60); + + if (std & V4L2_STD_525_60) { + if (std == V4L2_STD_NTSC_M_JP) { + /* Japan uses EIAJ audio standard */ + cx18_av_write_expect(cx, 0x808, 0xf7, 0xf7, 0xff); + cx18_av_write_expect(cx, 0x80b, 0x02, 0x02, 0x3f); + } else if (std == V4L2_STD_NTSC_M_KR) { + /* South Korea uses A2 audio standard */ + cx18_av_write_expect(cx, 0x808, 0xf8, 0xf8, 0xff); + cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f); + } else { + /* Others use the BTSC audio standard */ + cx18_av_write_expect(cx, 0x808, 0xf6, 0xf6, 0xff); + cx18_av_write_expect(cx, 0x80b, 0x01, 0x01, 0x3f); + } + } else if (std & V4L2_STD_PAL) { + /* Follow tuner change procedure for PAL */ + cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff); + cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f); + } else if (std & V4L2_STD_SECAM) { + /* Select autodetect for SECAM */ + cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff); + cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f); + } + + v = cx18_av_read(cx, 0x803); + if (v & 0x10) { + /* restart audio decoder microcontroller */ + v &= ~0x10; + cx18_av_write_expect(cx, 0x803, v, v, 0x1f); + v |= 0x10; + cx18_av_write_expect(cx, 0x803, v, v, 0x1f); + } +} + +static int cx18_av_s_frequency(struct v4l2_subdev *sd, + const struct v4l2_frequency *freq) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + input_change(cx); + return 0; +} + +static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input, + enum cx18_av_audio_input aud_input) +{ + struct cx18_av_state *state = &cx->av_state; + struct v4l2_subdev *sd = &state->sd; + + enum analog_signal_type { + NONE, CVBS, Y, C, SIF, Pb, Pr + } ch[3] = {NONE, NONE, NONE}; + + u8 afe_mux_cfg; + u8 adc2_cfg; + u8 input_mode; + u32 afe_cfg; + int i; + + CX18_DEBUG_INFO_DEV(sd, "decoder set video input %d, audio input %d\n", + vid_input, aud_input); + + if (vid_input >= CX18_AV_COMPOSITE1 && + vid_input <= CX18_AV_COMPOSITE8) { + afe_mux_cfg = 0xf0 + (vid_input - CX18_AV_COMPOSITE1); + ch[0] = CVBS; + input_mode = 0x0; + } else if (vid_input >= CX18_AV_COMPONENT_LUMA1) { + int luma = vid_input & 0xf000; + int r_chroma = vid_input & 0xf0000; + int b_chroma = vid_input & 0xf00000; + + if ((vid_input & ~0xfff000) || + luma < CX18_AV_COMPONENT_LUMA1 || + luma > CX18_AV_COMPONENT_LUMA8 || + r_chroma < CX18_AV_COMPONENT_R_CHROMA4 || + r_chroma > CX18_AV_COMPONENT_R_CHROMA6 || + b_chroma < CX18_AV_COMPONENT_B_CHROMA7 || + b_chroma > CX18_AV_COMPONENT_B_CHROMA8) { + CX18_ERR_DEV(sd, "0x%06x is not a valid video input!\n", + vid_input); + return -EINVAL; + } + afe_mux_cfg = (luma - CX18_AV_COMPONENT_LUMA1) >> 12; + ch[0] = Y; + afe_mux_cfg |= (r_chroma - CX18_AV_COMPONENT_R_CHROMA4) >> 12; + ch[1] = Pr; + afe_mux_cfg |= (b_chroma - CX18_AV_COMPONENT_B_CHROMA7) >> 14; + ch[2] = Pb; + input_mode = 0x6; + } else { + int luma = vid_input & 0xf0; + int chroma = vid_input & 0xf00; + + if ((vid_input & ~0xff0) || + luma < CX18_AV_SVIDEO_LUMA1 || + luma > CX18_AV_SVIDEO_LUMA8 || + chroma < CX18_AV_SVIDEO_CHROMA4 || + chroma > CX18_AV_SVIDEO_CHROMA8) { + CX18_ERR_DEV(sd, "0x%06x is not a valid video input!\n", + vid_input); + return -EINVAL; + } + afe_mux_cfg = 0xf0 + ((luma - CX18_AV_SVIDEO_LUMA1) >> 4); + ch[0] = Y; + if (chroma >= CX18_AV_SVIDEO_CHROMA7) { + afe_mux_cfg &= 0x3f; + afe_mux_cfg |= (chroma - CX18_AV_SVIDEO_CHROMA7) >> 2; + ch[2] = C; + } else { + afe_mux_cfg &= 0xcf; + afe_mux_cfg |= (chroma - CX18_AV_SVIDEO_CHROMA4) >> 4; + ch[1] = C; + } + input_mode = 0x2; + } + + switch (aud_input) { + case CX18_AV_AUDIO_SERIAL1: + case CX18_AV_AUDIO_SERIAL2: + /* do nothing, use serial audio input */ + break; + case CX18_AV_AUDIO4: + afe_mux_cfg &= ~0x30; + ch[1] = SIF; + break; + case CX18_AV_AUDIO5: + afe_mux_cfg = (afe_mux_cfg & ~0x30) | 0x10; + ch[1] = SIF; + break; + case CX18_AV_AUDIO6: + afe_mux_cfg = (afe_mux_cfg & ~0x30) | 0x20; + ch[1] = SIF; + break; + case CX18_AV_AUDIO7: + afe_mux_cfg &= ~0xc0; + ch[2] = SIF; + break; + case CX18_AV_AUDIO8: + afe_mux_cfg = (afe_mux_cfg & ~0xc0) | 0x40; + ch[2] = SIF; + break; + + default: + CX18_ERR_DEV(sd, "0x%04x is not a valid audio input!\n", + aud_input); + return -EINVAL; + } + + /* Set up analog front end multiplexers */ + cx18_av_write_expect(cx, 0x103, afe_mux_cfg, afe_mux_cfg, 0xf7); + /* Set INPUT_MODE to Composite, S-Video, or Component */ + cx18_av_and_or(cx, 0x401, ~0x6, input_mode); + + /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */ + adc2_cfg = cx18_av_read(cx, 0x102); + if (ch[2] == NONE) + adc2_cfg &= ~0x2; /* No sig on CH3, set ADC2 to CH2 for input */ + else + adc2_cfg |= 0x2; /* Signal on CH3, set ADC2 to CH3 for input */ + + /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */ + if (ch[1] != NONE && ch[2] != NONE) + adc2_cfg |= 0x4; /* Set dual mode */ + else + adc2_cfg &= ~0x4; /* Clear dual mode */ + cx18_av_write_expect(cx, 0x102, adc2_cfg, adc2_cfg, 0x17); + + /* Configure the analog front end */ + afe_cfg = cx18_av_read4(cx, CXADEC_AFE_CTRL); + afe_cfg &= 0xff000000; + afe_cfg |= 0x00005000; /* CHROMA_IN, AUD_IN: ADC2; LUMA_IN: ADC1 */ + if (ch[1] != NONE && ch[2] != NONE) + afe_cfg |= 0x00000030; /* half_bw_ch[2-3] since in dual mode */ + + for (i = 0; i < 3; i++) { + switch (ch[i]) { + default: + case NONE: + /* CLAMP_SEL = Fixed to midcode clamp level */ + afe_cfg |= (0x00000200 << i); + break; + case CVBS: + case Y: + if (i > 0) + afe_cfg |= 0x00002000; /* LUMA_IN_SEL: ADC2 */ + break; + case C: + case Pb: + case Pr: + /* CLAMP_SEL = Fixed to midcode clamp level */ + afe_cfg |= (0x00000200 << i); + if (i == 0 && ch[i] == C) + afe_cfg &= ~0x00001000; /* CHROMA_IN_SEL ADC1 */ + break; + case SIF: + /* + * VGA_GAIN_SEL = Audio Decoder + * CLAMP_SEL = Fixed to midcode clamp level + */ + afe_cfg |= (0x00000240 << i); + if (i == 0) + afe_cfg &= ~0x00004000; /* AUD_IN_SEL ADC1 */ + break; + } + } + + cx18_av_write4(cx, CXADEC_AFE_CTRL, afe_cfg); + + state->vid_input = vid_input; + state->aud_input = aud_input; + cx18_av_audio_set_path(cx); + input_change(cx); + return 0; +} + +static int cx18_av_s_video_routing(struct v4l2_subdev *sd, + u32 input, u32 output, u32 config) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + return set_input(cx, input, state->aud_input); +} + +static int cx18_av_s_audio_routing(struct v4l2_subdev *sd, + u32 input, u32 output, u32 config) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + return set_input(cx, state->vid_input, input); +} + +static int cx18_av_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + u8 vpres; + u8 mode; + int val = 0; + + if (state->radio) + return 0; + + vpres = cx18_av_read(cx, 0x40e) & 0x20; + vt->signal = vpres ? 0xffff : 0x0; + + vt->capability |= + V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | + V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; + + mode = cx18_av_read(cx, 0x804); + + /* get rxsubchans and audmode */ + if ((mode & 0xf) == 1) + val |= V4L2_TUNER_SUB_STEREO; + else + val |= V4L2_TUNER_SUB_MONO; + + if (mode == 2 || mode == 4) + val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; + + if (mode & 0x10) + val |= V4L2_TUNER_SUB_SAP; + + vt->rxsubchans = val; + vt->audmode = state->audmode; + return 0; +} + +static int cx18_av_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *vt) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + u8 v; + + if (state->radio) + return 0; + + v = cx18_av_read(cx, 0x809); + v &= ~0xf; + + switch (vt->audmode) { + case V4L2_TUNER_MODE_MONO: + /* mono -> mono + stereo -> mono + bilingual -> lang1 */ + break; + case V4L2_TUNER_MODE_STEREO: + case V4L2_TUNER_MODE_LANG1: + /* mono -> mono + stereo -> stereo + bilingual -> lang1 */ + v |= 0x4; + break; + case V4L2_TUNER_MODE_LANG1_LANG2: + /* mono -> mono + stereo -> stereo + bilingual -> lang1/lang2 */ + v |= 0x7; + break; + case V4L2_TUNER_MODE_LANG2: + /* mono -> mono + stereo -> stereo + bilingual -> lang2 */ + v |= 0x1; + break; + default: + return -EINVAL; + } + cx18_av_write_expect(cx, 0x809, v, v, 0xff); + state->audmode = vt->audmode; + return 0; +} + +static int cx18_av_s_std(struct v4l2_subdev *sd, v4l2_std_id norm) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + + u8 fmt = 0; /* zero is autodetect */ + u8 pal_m = 0; + + if (state->radio == 0 && state->std == norm) + return 0; + + state->radio = 0; + state->std = norm; + + /* First tests should be against specific std */ + if (state->std == V4L2_STD_NTSC_M_JP) { + fmt = 0x2; + } else if (state->std == V4L2_STD_NTSC_443) { + fmt = 0x3; + } else if (state->std == V4L2_STD_PAL_M) { + pal_m = 1; + fmt = 0x5; + } else if (state->std == V4L2_STD_PAL_N) { + fmt = 0x6; + } else if (state->std == V4L2_STD_PAL_Nc) { + fmt = 0x7; + } else if (state->std == V4L2_STD_PAL_60) { + fmt = 0x8; + } else { + /* Then, test against generic ones */ + if (state->std & V4L2_STD_NTSC) + fmt = 0x1; + else if (state->std & V4L2_STD_PAL) + fmt = 0x4; + else if (state->std & V4L2_STD_SECAM) + fmt = 0xc; + } + + CX18_DEBUG_INFO_DEV(sd, "changing video std to fmt %i\n", fmt); + + /* Follow step 9 of section 3.16 in the cx18_av datasheet. + Without this PAL may display a vertical ghosting effect. + This happens for example with the Yuan MPC622. */ + if (fmt >= 4 && fmt < 8) { + /* Set format to NTSC-M */ + cx18_av_and_or(cx, 0x400, ~0xf, 1); + /* Turn off LCOMB */ + cx18_av_and_or(cx, 0x47b, ~6, 0); + } + cx18_av_and_or(cx, 0x400, ~0x2f, fmt | 0x20); + cx18_av_and_or(cx, 0x403, ~0x3, pal_m); + cx18_av_std_setup(cx); + input_change(cx); + return 0; +} + +static int cx18_av_s_radio(struct v4l2_subdev *sd) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + state->radio = 1; + return 0; +} + +static int cx18_av_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct v4l2_subdev *sd = to_sd(ctrl); + struct cx18 *cx = v4l2_get_subdevdata(sd); + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + cx18_av_write(cx, 0x414, ctrl->val - 128); + break; + + case V4L2_CID_CONTRAST: + cx18_av_write(cx, 0x415, ctrl->val << 1); + break; + + case V4L2_CID_SATURATION: + cx18_av_write(cx, 0x420, ctrl->val << 1); + cx18_av_write(cx, 0x421, ctrl->val << 1); + break; + + case V4L2_CID_HUE: + cx18_av_write(cx, 0x422, ctrl->val); + break; + + default: + return -EINVAL; + } + return 0; +} + +static int cx18_av_s_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *fmt) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + int HSC, VSC, Vsrc, Hsrc, filter, Vlines; + int is_50Hz = !(state->std & V4L2_STD_525_60); + + if (fmt->code != V4L2_MBUS_FMT_FIXED) + return -EINVAL; + + fmt->field = V4L2_FIELD_INTERLACED; + fmt->colorspace = V4L2_COLORSPACE_SMPTE170M; + + Vsrc = (cx18_av_read(cx, 0x476) & 0x3f) << 4; + Vsrc |= (cx18_av_read(cx, 0x475) & 0xf0) >> 4; + + Hsrc = (cx18_av_read(cx, 0x472) & 0x3f) << 4; + Hsrc |= (cx18_av_read(cx, 0x471) & 0xf0) >> 4; + + /* + * This adjustment reflects the excess of vactive, set in + * cx18_av_std_setup(), above standard values: + * + * 480 + 1 for 60 Hz systems + * 576 + 3 for 50 Hz systems + */ + Vlines = fmt->height + (is_50Hz ? 3 : 1); + + /* + * Invalid height and width scaling requests are: + * 1. width less than 1/16 of the source width + * 2. width greater than the source width + * 3. height less than 1/8 of the source height + * 4. height greater than the source height + */ + if ((fmt->width * 16 < Hsrc) || (Hsrc < fmt->width) || + (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) { + CX18_ERR_DEV(sd, "%dx%d is not a valid size!\n", + fmt->width, fmt->height); + return -ERANGE; + } + + HSC = (Hsrc * (1 << 20)) / fmt->width - (1 << 20); + VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9)); + VSC &= 0x1fff; + + if (fmt->width >= 385) + filter = 0; + else if (fmt->width > 192) + filter = 1; + else if (fmt->width > 96) + filter = 2; + else + filter = 3; + + CX18_DEBUG_INFO_DEV(sd, + "decoder set size %dx%d -> scale %ux%u\n", + fmt->width, fmt->height, HSC, VSC); + + /* HSCALE=HSC */ + cx18_av_write(cx, 0x418, HSC & 0xff); + cx18_av_write(cx, 0x419, (HSC >> 8) & 0xff); + cx18_av_write(cx, 0x41a, HSC >> 16); + /* VSCALE=VSC */ + cx18_av_write(cx, 0x41c, VSC & 0xff); + cx18_av_write(cx, 0x41d, VSC >> 8); + /* VS_INTRLACE=1 VFILT=filter */ + cx18_av_write(cx, 0x41e, 0x8 | filter); + return 0; +} + +static int cx18_av_s_stream(struct v4l2_subdev *sd, int enable) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + + CX18_DEBUG_INFO_DEV(sd, "%s output\n", enable ? "enable" : "disable"); + if (enable) { + cx18_av_write(cx, 0x115, 0x8c); + cx18_av_write(cx, 0x116, 0x07); + } else { + cx18_av_write(cx, 0x115, 0x00); + cx18_av_write(cx, 0x116, 0x00); + } + return 0; +} + +static void log_video_status(struct cx18 *cx) +{ + static const char *const fmt_strs[] = { + "0x0", + "NTSC-M", "NTSC-J", "NTSC-4.43", + "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60", + "0x9", "0xA", "0xB", + "SECAM", + "0xD", "0xE", "0xF" + }; + + struct cx18_av_state *state = &cx->av_state; + struct v4l2_subdev *sd = &state->sd; + u8 vidfmt_sel = cx18_av_read(cx, 0x400) & 0xf; + u8 gen_stat1 = cx18_av_read(cx, 0x40d); + u8 gen_stat2 = cx18_av_read(cx, 0x40e); + int vid_input = state->vid_input; + + CX18_INFO_DEV(sd, "Video signal: %spresent\n", + (gen_stat2 & 0x20) ? "" : "not "); + CX18_INFO_DEV(sd, "Detected format: %s\n", + fmt_strs[gen_stat1 & 0xf]); + + CX18_INFO_DEV(sd, "Specified standard: %s\n", + vidfmt_sel ? fmt_strs[vidfmt_sel] + : "automatic detection"); + + if (vid_input >= CX18_AV_COMPOSITE1 && + vid_input <= CX18_AV_COMPOSITE8) { + CX18_INFO_DEV(sd, "Specified video input: Composite %d\n", + vid_input - CX18_AV_COMPOSITE1 + 1); + } else { + CX18_INFO_DEV(sd, "Specified video input: " + "S-Video (Luma In%d, Chroma In%d)\n", + (vid_input & 0xf0) >> 4, + (vid_input & 0xf00) >> 8); + } + + CX18_INFO_DEV(sd, "Specified audioclock freq: %d Hz\n", + state->audclk_freq); +} + +static void log_audio_status(struct cx18 *cx) +{ + struct cx18_av_state *state = &cx->av_state; + struct v4l2_subdev *sd = &state->sd; + u8 download_ctl = cx18_av_read(cx, 0x803); + u8 mod_det_stat0 = cx18_av_read(cx, 0x804); + u8 mod_det_stat1 = cx18_av_read(cx, 0x805); + u8 audio_config = cx18_av_read(cx, 0x808); + u8 pref_mode = cx18_av_read(cx, 0x809); + u8 afc0 = cx18_av_read(cx, 0x80b); + u8 mute_ctl = cx18_av_read(cx, 0x8d3); + int aud_input = state->aud_input; + char *p; + + switch (mod_det_stat0) { + case 0x00: p = "mono"; break; + case 0x01: p = "stereo"; break; + case 0x02: p = "dual"; break; + case 0x04: p = "tri"; break; + case 0x10: p = "mono with SAP"; break; + case 0x11: p = "stereo with SAP"; break; + case 0x12: p = "dual with SAP"; break; + case 0x14: p = "tri with SAP"; break; + case 0xfe: p = "forced mode"; break; + default: p = "not defined"; break; + } + CX18_INFO_DEV(sd, "Detected audio mode: %s\n", p); + + switch (mod_det_stat1) { + case 0x00: p = "not defined"; break; + case 0x01: p = "EIAJ"; break; + case 0x02: p = "A2-M"; break; + case 0x03: p = "A2-BG"; break; + case 0x04: p = "A2-DK1"; break; + case 0x05: p = "A2-DK2"; break; + case 0x06: p = "A2-DK3"; break; + case 0x07: p = "A1 (6.0 MHz FM Mono)"; break; + case 0x08: p = "AM-L"; break; + case 0x09: p = "NICAM-BG"; break; + case 0x0a: p = "NICAM-DK"; break; + case 0x0b: p = "NICAM-I"; break; + case 0x0c: p = "NICAM-L"; break; + case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break; + case 0x0e: p = "IF FM Radio"; break; + case 0x0f: p = "BTSC"; break; + case 0x10: p = "detected chrominance"; break; + case 0xfd: p = "unknown audio standard"; break; + case 0xfe: p = "forced audio standard"; break; + case 0xff: p = "no detected audio standard"; break; + default: p = "not defined"; break; + } + CX18_INFO_DEV(sd, "Detected audio standard: %s\n", p); + CX18_INFO_DEV(sd, "Audio muted: %s\n", + (mute_ctl & 0x2) ? "yes" : "no"); + CX18_INFO_DEV(sd, "Audio microcontroller: %s\n", + (download_ctl & 0x10) ? "running" : "stopped"); + + switch (audio_config >> 4) { + case 0x00: p = "undefined"; break; + case 0x01: p = "BTSC"; break; + case 0x02: p = "EIAJ"; break; + case 0x03: p = "A2-M"; break; + case 0x04: p = "A2-BG"; break; + case 0x05: p = "A2-DK1"; break; + case 0x06: p = "A2-DK2"; break; + case 0x07: p = "A2-DK3"; break; + case 0x08: p = "A1 (6.0 MHz FM Mono)"; break; + case 0x09: p = "AM-L"; break; + case 0x0a: p = "NICAM-BG"; break; + case 0x0b: p = "NICAM-DK"; break; + case 0x0c: p = "NICAM-I"; break; + case 0x0d: p = "NICAM-L"; break; + case 0x0e: p = "FM radio"; break; + case 0x0f: p = "automatic detection"; break; + default: p = "undefined"; break; + } + CX18_INFO_DEV(sd, "Configured audio standard: %s\n", p); + + if ((audio_config >> 4) < 0xF) { + switch (audio_config & 0xF) { + case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break; + case 0x01: p = "MONO2 (LANGUAGE B)"; break; + case 0x02: p = "MONO3 (STEREO forced MONO)"; break; + case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break; + case 0x04: p = "STEREO"; break; + case 0x05: p = "DUAL1 (AC)"; break; + case 0x06: p = "DUAL2 (BC)"; break; + case 0x07: p = "DUAL3 (AB)"; break; + default: p = "undefined"; + } + CX18_INFO_DEV(sd, "Configured audio mode: %s\n", p); + } else { + switch (audio_config & 0xF) { + case 0x00: p = "BG"; break; + case 0x01: p = "DK1"; break; + case 0x02: p = "DK2"; break; + case 0x03: p = "DK3"; break; + case 0x04: p = "I"; break; + case 0x05: p = "L"; break; + case 0x06: p = "BTSC"; break; + case 0x07: p = "EIAJ"; break; + case 0x08: p = "A2-M"; break; + case 0x09: p = "FM Radio (4.5 MHz)"; break; + case 0x0a: p = "FM Radio (5.5 MHz)"; break; + case 0x0b: p = "S-Video"; break; + case 0x0f: p = "automatic standard and mode detection"; break; + default: p = "undefined"; break; + } + CX18_INFO_DEV(sd, "Configured audio system: %s\n", p); + } + + if (aud_input) + CX18_INFO_DEV(sd, "Specified audio input: Tuner (In%d)\n", + aud_input); + else + CX18_INFO_DEV(sd, "Specified audio input: External\n"); + + switch (pref_mode & 0xf) { + case 0: p = "mono/language A"; break; + case 1: p = "language B"; break; + case 2: p = "language C"; break; + case 3: p = "analog fallback"; break; + case 4: p = "stereo"; break; + case 5: p = "language AC"; break; + case 6: p = "language BC"; break; + case 7: p = "language AB"; break; + default: p = "undefined"; break; + } + CX18_INFO_DEV(sd, "Preferred audio mode: %s\n", p); + + if ((audio_config & 0xf) == 0xf) { + switch ((afc0 >> 3) & 0x1) { + case 0: p = "system DK"; break; + case 1: p = "system L"; break; + } + CX18_INFO_DEV(sd, "Selected 65 MHz format: %s\n", p); + + switch (afc0 & 0x7) { + case 0: p = "Chroma"; break; + case 1: p = "BTSC"; break; + case 2: p = "EIAJ"; break; + case 3: p = "A2-M"; break; + case 4: p = "autodetect"; break; + default: p = "undefined"; break; + } + CX18_INFO_DEV(sd, "Selected 45 MHz format: %s\n", p); + } +} + +static int cx18_av_log_status(struct v4l2_subdev *sd) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + log_video_status(cx); + log_audio_status(cx); + return 0; +} + +static inline int cx18_av_dbg_match(const struct v4l2_dbg_match *match) +{ + return match->type == V4L2_CHIP_MATCH_HOST && match->addr == 1; +} + +static int cx18_av_g_chip_ident(struct v4l2_subdev *sd, + struct v4l2_dbg_chip_ident *chip) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + + if (cx18_av_dbg_match(&chip->match)) { + chip->ident = state->id; + chip->revision = state->rev; + } + return 0; +} + +#ifdef CPTCFG_VIDEO_ADV_DEBUG +static int cx18_av_g_register(struct v4l2_subdev *sd, + struct v4l2_dbg_register *reg) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + + if (!cx18_av_dbg_match(®->match)) + return -EINVAL; + if ((reg->reg & 0x3) != 0) + return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + reg->size = 4; + reg->val = cx18_av_read4(cx, reg->reg & 0x00000ffc); + return 0; +} + +static int cx18_av_s_register(struct v4l2_subdev *sd, + const struct v4l2_dbg_register *reg) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + + if (!cx18_av_dbg_match(®->match)) + return -EINVAL; + if ((reg->reg & 0x3) != 0) + return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + cx18_av_write4(cx, reg->reg & 0x00000ffc, reg->val); + return 0; +} +#endif + +static const struct v4l2_ctrl_ops cx18_av_ctrl_ops = { + .s_ctrl = cx18_av_s_ctrl, +}; + +static const struct v4l2_subdev_core_ops cx18_av_general_ops = { + .g_chip_ident = cx18_av_g_chip_ident, + .log_status = cx18_av_log_status, + .load_fw = cx18_av_load_fw, + .reset = cx18_av_reset, + .g_ctrl = v4l2_subdev_g_ctrl, + .s_ctrl = v4l2_subdev_s_ctrl, + .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, + .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, + .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, + .queryctrl = v4l2_subdev_queryctrl, + .querymenu = v4l2_subdev_querymenu, + .s_std = cx18_av_s_std, +#ifdef CPTCFG_VIDEO_ADV_DEBUG + .g_register = cx18_av_g_register, + .s_register = cx18_av_s_register, +#endif +}; + +static const struct v4l2_subdev_tuner_ops cx18_av_tuner_ops = { + .s_radio = cx18_av_s_radio, + .s_frequency = cx18_av_s_frequency, + .g_tuner = cx18_av_g_tuner, + .s_tuner = cx18_av_s_tuner, +}; + +static const struct v4l2_subdev_audio_ops cx18_av_audio_ops = { + .s_clock_freq = cx18_av_s_clock_freq, + .s_routing = cx18_av_s_audio_routing, +}; + +static const struct v4l2_subdev_video_ops cx18_av_video_ops = { + .s_routing = cx18_av_s_video_routing, + .s_stream = cx18_av_s_stream, + .s_mbus_fmt = cx18_av_s_mbus_fmt, +}; + +static const struct v4l2_subdev_vbi_ops cx18_av_vbi_ops = { + .decode_vbi_line = cx18_av_decode_vbi_line, + .g_sliced_fmt = cx18_av_g_sliced_fmt, + .s_sliced_fmt = cx18_av_s_sliced_fmt, + .s_raw_fmt = cx18_av_s_raw_fmt, +}; + +static const struct v4l2_subdev_ops cx18_av_ops = { + .core = &cx18_av_general_ops, + .tuner = &cx18_av_tuner_ops, + .audio = &cx18_av_audio_ops, + .video = &cx18_av_video_ops, + .vbi = &cx18_av_vbi_ops, +}; + +int cx18_av_probe(struct cx18 *cx) +{ + struct cx18_av_state *state = &cx->av_state; + struct v4l2_subdev *sd; + int err; + + state->rev = cx18_av_read4(cx, CXADEC_CHIP_CTRL) & 0xffff; + state->id = ((state->rev >> 4) == CXADEC_CHIP_TYPE_MAKO) + ? V4L2_IDENT_CX23418_843 : V4L2_IDENT_UNKNOWN; + + state->vid_input = CX18_AV_COMPOSITE7; + state->aud_input = CX18_AV_AUDIO8; + state->audclk_freq = 48000; + state->audmode = V4L2_TUNER_MODE_LANG1; + state->slicer_line_delay = 0; + state->slicer_line_offset = (10 + state->slicer_line_delay - 2); + + sd = &state->sd; + v4l2_subdev_init(sd, &cx18_av_ops); + v4l2_set_subdevdata(sd, cx); + snprintf(sd->name, sizeof(sd->name), + "%s %03x", cx->v4l2_dev.name, (state->rev >> 4)); + sd->grp_id = CX18_HW_418_AV; + v4l2_ctrl_handler_init(&state->hdl, 9); + v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); + v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, + V4L2_CID_CONTRAST, 0, 127, 1, 64); + v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, + V4L2_CID_SATURATION, 0, 127, 1, 64); + v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, + V4L2_CID_HUE, -128, 127, 1, 0); + + state->volume = v4l2_ctrl_new_std(&state->hdl, + &cx18_av_audio_ctrl_ops, V4L2_CID_AUDIO_VOLUME, + 0, 65535, 65535 / 100, 0); + v4l2_ctrl_new_std(&state->hdl, + &cx18_av_audio_ctrl_ops, V4L2_CID_AUDIO_MUTE, + 0, 1, 1, 0); + v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops, + V4L2_CID_AUDIO_BALANCE, + 0, 65535, 65535 / 100, 32768); + v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops, + V4L2_CID_AUDIO_BASS, + 0, 65535, 65535 / 100, 32768); + v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops, + V4L2_CID_AUDIO_TREBLE, + 0, 65535, 65535 / 100, 32768); + sd->ctrl_handler = &state->hdl; + if (state->hdl.error) { + int err = state->hdl.error; + + v4l2_ctrl_handler_free(&state->hdl); + return err; + } + err = v4l2_device_register_subdev(&cx->v4l2_dev, sd); + if (err) + v4l2_ctrl_handler_free(&state->hdl); + else + cx18_av_init(cx); + return err; +} diff --git a/drivers/media/pci/cx18/cx18-av-core.h b/drivers/media/pci/cx18/cx18-av-core.h new file mode 100644 index 0000000..e9c69d9 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-av-core.h @@ -0,0 +1,391 @@ +/* + * cx18 ADEC header + * + * Derived from cx25840-core.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#ifndef _CX18_AV_CORE_H_ +#define _CX18_AV_CORE_H_ + +#include <media/v4l2-device.h> +#include <media/v4l2-ctrls.h> + +struct cx18; + +enum cx18_av_video_input { + /* Composite video inputs In1-In8 */ + CX18_AV_COMPOSITE1 = 1, + CX18_AV_COMPOSITE2, + CX18_AV_COMPOSITE3, + CX18_AV_COMPOSITE4, + CX18_AV_COMPOSITE5, + CX18_AV_COMPOSITE6, + CX18_AV_COMPOSITE7, + CX18_AV_COMPOSITE8, + + /* S-Video inputs consist of one luma input (In1-In8) ORed with one + chroma input (In5-In8) */ + CX18_AV_SVIDEO_LUMA1 = 0x10, + CX18_AV_SVIDEO_LUMA2 = 0x20, + CX18_AV_SVIDEO_LUMA3 = 0x30, + CX18_AV_SVIDEO_LUMA4 = 0x40, + CX18_AV_SVIDEO_LUMA5 = 0x50, + CX18_AV_SVIDEO_LUMA6 = 0x60, + CX18_AV_SVIDEO_LUMA7 = 0x70, + CX18_AV_SVIDEO_LUMA8 = 0x80, + CX18_AV_SVIDEO_CHROMA4 = 0x400, + CX18_AV_SVIDEO_CHROMA5 = 0x500, + CX18_AV_SVIDEO_CHROMA6 = 0x600, + CX18_AV_SVIDEO_CHROMA7 = 0x700, + CX18_AV_SVIDEO_CHROMA8 = 0x800, + + /* S-Video aliases for common luma/chroma combinations */ + CX18_AV_SVIDEO1 = 0x510, + CX18_AV_SVIDEO2 = 0x620, + CX18_AV_SVIDEO3 = 0x730, + CX18_AV_SVIDEO4 = 0x840, + + /* Component Video inputs consist of one luma input (In1-In8) ORed + with a red chroma (In4-In6) and blue chroma input (In7-In8) */ + CX18_AV_COMPONENT_LUMA1 = 0x1000, + CX18_AV_COMPONENT_LUMA2 = 0x2000, + CX18_AV_COMPONENT_LUMA3 = 0x3000, + CX18_AV_COMPONENT_LUMA4 = 0x4000, + CX18_AV_COMPONENT_LUMA5 = 0x5000, + CX18_AV_COMPONENT_LUMA6 = 0x6000, + CX18_AV_COMPONENT_LUMA7 = 0x7000, + CX18_AV_COMPONENT_LUMA8 = 0x8000, + CX18_AV_COMPONENT_R_CHROMA4 = 0x40000, + CX18_AV_COMPONENT_R_CHROMA5 = 0x50000, + CX18_AV_COMPONENT_R_CHROMA6 = 0x60000, + CX18_AV_COMPONENT_B_CHROMA7 = 0x700000, + CX18_AV_COMPONENT_B_CHROMA8 = 0x800000, + + /* Component Video aliases for common combinations */ + CX18_AV_COMPONENT1 = 0x861000, +}; + +enum cx18_av_audio_input { + /* Audio inputs: serial or In4-In8 */ + CX18_AV_AUDIO_SERIAL1, + CX18_AV_AUDIO_SERIAL2, + CX18_AV_AUDIO4 = 4, + CX18_AV_AUDIO5, + CX18_AV_AUDIO6, + CX18_AV_AUDIO7, + CX18_AV_AUDIO8, +}; + +struct cx18_av_state { + struct v4l2_subdev sd; + struct v4l2_ctrl_handler hdl; + struct v4l2_ctrl *volume; + int radio; + v4l2_std_id std; + enum cx18_av_video_input vid_input; + enum cx18_av_audio_input aud_input; + u32 audclk_freq; + int audmode; + u32 id; + u32 rev; + int is_initialized; + + /* + * The VBI slicer starts operating and counting lines, beginning at + * slicer line count of 1, at D lines after the deassertion of VRESET. + * This staring field line, S, is 6 (& 319) or 10 (& 273) for 625 or 525 + * line systems respectively. Sliced ancillary data captured on VBI + * slicer line M is inserted after the VBI slicer is done with line M, + * when VBI slicer line count is N = M+1. Thus when the VBI slicer + * reports a VBI slicer line number with ancillary data, the IDID0 byte + * indicates VBI slicer line N. The actual field line that the captured + * data comes from is + * + * L = M+(S+D-1) = N-1+(S+D-1) = N + (S+D-2). + * + * L is the line in the field, not frame, from which the VBI data came. + * N is the line reported by the slicer in the ancillary data. + * D is the slicer_line_delay value programmed into register 0x47f. + * S is 6 for 625 line systems or 10 for 525 line systems + * (S+D-2) is the slicer_line_offset used to convert slicer reported + * line counts to actual field lines. + */ + int slicer_line_delay; + int slicer_line_offset; +}; + + +/* Registers */ +#define CXADEC_CHIP_TYPE_TIGER 0x837 +#define CXADEC_CHIP_TYPE_MAKO 0x843 + +#define CXADEC_HOST_REG1 0x000 +#define CXADEC_HOST_REG2 0x001 + +#define CXADEC_CHIP_CTRL 0x100 +#define CXADEC_AFE_CTRL 0x104 +#define CXADEC_PLL_CTRL1 0x108 +#define CXADEC_VID_PLL_FRAC 0x10C +#define CXADEC_AUX_PLL_FRAC 0x110 +#define CXADEC_PIN_CTRL1 0x114 +#define CXADEC_PIN_CTRL2 0x118 +#define CXADEC_PIN_CFG1 0x11C +#define CXADEC_PIN_CFG2 0x120 + +#define CXADEC_PIN_CFG3 0x124 +#define CXADEC_I2S_MCLK 0x127 + +#define CXADEC_AUD_LOCK1 0x128 +#define CXADEC_AUD_LOCK2 0x12C +#define CXADEC_POWER_CTRL 0x130 +#define CXADEC_AFE_DIAG_CTRL1 0x134 +#define CXADEC_AFE_DIAG_CTRL2 0x138 +#define CXADEC_AFE_DIAG_CTRL3 0x13C +#define CXADEC_PLL_DIAG_CTRL 0x140 +#define CXADEC_TEST_CTRL1 0x144 +#define CXADEC_TEST_CTRL2 0x148 +#define CXADEC_BIST_STAT 0x14C +#define CXADEC_DLL1_DIAG_CTRL 0x158 +#define CXADEC_DLL2_DIAG_CTRL 0x15C + +/* IR registers */ +#define CXADEC_IR_CTRL_REG 0x200 +#define CXADEC_IR_TXCLK_REG 0x204 +#define CXADEC_IR_RXCLK_REG 0x208 +#define CXADEC_IR_CDUTY_REG 0x20C +#define CXADEC_IR_STAT_REG 0x210 +#define CXADEC_IR_IRQEN_REG 0x214 +#define CXADEC_IR_FILTER_REG 0x218 +#define CXADEC_IR_FIFO_REG 0x21C + +/* Video Registers */ +#define CXADEC_MODE_CTRL 0x400 +#define CXADEC_OUT_CTRL1 0x404 +#define CXADEC_OUT_CTRL2 0x408 +#define CXADEC_GEN_STAT 0x40C +#define CXADEC_INT_STAT_MASK 0x410 +#define CXADEC_LUMA_CTRL 0x414 + +#define CXADEC_BRIGHTNESS_CTRL_BYTE 0x414 +#define CXADEC_CONTRAST_CTRL_BYTE 0x415 +#define CXADEC_LUMA_CTRL_BYTE_3 0x416 + +#define CXADEC_HSCALE_CTRL 0x418 +#define CXADEC_VSCALE_CTRL 0x41C + +#define CXADEC_CHROMA_CTRL 0x420 + +#define CXADEC_USAT_CTRL_BYTE 0x420 +#define CXADEC_VSAT_CTRL_BYTE 0x421 +#define CXADEC_HUE_CTRL_BYTE 0x422 + +#define CXADEC_VBI_LINE_CTRL1 0x424 +#define CXADEC_VBI_LINE_CTRL2 0x428 +#define CXADEC_VBI_LINE_CTRL3 0x42C +#define CXADEC_VBI_LINE_CTRL4 0x430 +#define CXADEC_VBI_LINE_CTRL5 0x434 +#define CXADEC_VBI_FC_CFG 0x438 +#define CXADEC_VBI_MISC_CFG1 0x43C +#define CXADEC_VBI_MISC_CFG2 0x440 +#define CXADEC_VBI_PAY1 0x444 +#define CXADEC_VBI_PAY2 0x448 +#define CXADEC_VBI_CUST1_CFG1 0x44C +#define CXADEC_VBI_CUST1_CFG2 0x450 +#define CXADEC_VBI_CUST1_CFG3 0x454 +#define CXADEC_VBI_CUST2_CFG1 0x458 +#define CXADEC_VBI_CUST2_CFG2 0x45C +#define CXADEC_VBI_CUST2_CFG3 0x460 +#define CXADEC_VBI_CUST3_CFG1 0x464 +#define CXADEC_VBI_CUST3_CFG2 0x468 +#define CXADEC_VBI_CUST3_CFG3 0x46C +#define CXADEC_HORIZ_TIM_CTRL 0x470 +#define CXADEC_VERT_TIM_CTRL 0x474 +#define CXADEC_SRC_COMB_CFG 0x478 +#define CXADEC_CHROMA_VBIOFF_CFG 0x47C +#define CXADEC_FIELD_COUNT 0x480 +#define CXADEC_MISC_TIM_CTRL 0x484 +#define CXADEC_DFE_CTRL1 0x488 +#define CXADEC_DFE_CTRL2 0x48C +#define CXADEC_DFE_CTRL3 0x490 +#define CXADEC_PLL_CTRL2 0x494 +#define CXADEC_HTL_CTRL 0x498 +#define CXADEC_COMB_CTRL 0x49C +#define CXADEC_CRUSH_CTRL 0x4A0 +#define CXADEC_SOFT_RST_CTRL 0x4A4 +#define CXADEC_MV_DT_CTRL2 0x4A8 +#define CXADEC_MV_DT_CTRL3 0x4AC +#define CXADEC_MISC_DIAG_CTRL 0x4B8 + +#define CXADEC_DL_CTL 0x800 +#define CXADEC_DL_CTL_ADDRESS_LOW 0x800 /* Byte 1 in DL_CTL */ +#define CXADEC_DL_CTL_ADDRESS_HIGH 0x801 /* Byte 2 in DL_CTL */ +#define CXADEC_DL_CTL_DATA 0x802 /* Byte 3 in DL_CTL */ +#define CXADEC_DL_CTL_CONTROL 0x803 /* Byte 4 in DL_CTL */ + +#define CXADEC_STD_DET_STATUS 0x804 + +#define CXADEC_STD_DET_CTL 0x808 +#define CXADEC_STD_DET_CTL_AUD_CTL 0x808 /* Byte 1 in STD_DET_CTL */ +#define CXADEC_STD_DET_CTL_PREF_MODE 0x809 /* Byte 2 in STD_DET_CTL */ + +#define CXADEC_DW8051_INT 0x80C +#define CXADEC_GENERAL_CTL 0x810 +#define CXADEC_AAGC_CTL 0x814 +#define CXADEC_IF_SRC_CTL 0x818 +#define CXADEC_ANLOG_DEMOD_CTL 0x81C +#define CXADEC_ROT_FREQ_CTL 0x820 +#define CXADEC_FM1_CTL 0x824 +#define CXADEC_PDF_CTL 0x828 +#define CXADEC_DFT1_CTL1 0x82C +#define CXADEC_DFT1_CTL2 0x830 +#define CXADEC_DFT_STATUS 0x834 +#define CXADEC_DFT2_CTL1 0x838 +#define CXADEC_DFT2_CTL2 0x83C +#define CXADEC_DFT2_STATUS 0x840 +#define CXADEC_DFT3_CTL1 0x844 +#define CXADEC_DFT3_CTL2 0x848 +#define CXADEC_DFT3_STATUS 0x84C +#define CXADEC_DFT4_CTL1 0x850 +#define CXADEC_DFT4_CTL2 0x854 +#define CXADEC_DFT4_STATUS 0x858 +#define CXADEC_AM_MTS_DET 0x85C +#define CXADEC_ANALOG_MUX_CTL 0x860 +#define CXADEC_DIG_PLL_CTL1 0x864 +#define CXADEC_DIG_PLL_CTL2 0x868 +#define CXADEC_DIG_PLL_CTL3 0x86C +#define CXADEC_DIG_PLL_CTL4 0x870 +#define CXADEC_DIG_PLL_CTL5 0x874 +#define CXADEC_DEEMPH_GAIN_CTL 0x878 +#define CXADEC_DEEMPH_COEF1 0x87C +#define CXADEC_DEEMPH_COEF2 0x880 +#define CXADEC_DBX1_CTL1 0x884 +#define CXADEC_DBX1_CTL2 0x888 +#define CXADEC_DBX1_STATUS 0x88C +#define CXADEC_DBX2_CTL1 0x890 +#define CXADEC_DBX2_CTL2 0x894 +#define CXADEC_DBX2_STATUS 0x898 +#define CXADEC_AM_FM_DIFF 0x89C + +/* NICAM registers go here */ +#define CXADEC_NICAM_STATUS 0x8C8 +#define CXADEC_DEMATRIX_CTL 0x8CC + +#define CXADEC_PATH1_CTL1 0x8D0 +#define CXADEC_PATH1_VOL_CTL 0x8D4 +#define CXADEC_PATH1_EQ_CTL 0x8D8 +#define CXADEC_PATH1_SC_CTL 0x8DC + +#define CXADEC_PATH2_CTL1 0x8E0 +#define CXADEC_PATH2_VOL_CTL 0x8E4 +#define CXADEC_PATH2_EQ_CTL 0x8E8 +#define CXADEC_PATH2_SC_CTL 0x8EC + +#define CXADEC_SRC_CTL 0x8F0 +#define CXADEC_SRC_LF_COEF 0x8F4 +#define CXADEC_SRC1_CTL 0x8F8 +#define CXADEC_SRC2_CTL 0x8FC +#define CXADEC_SRC3_CTL 0x900 +#define CXADEC_SRC4_CTL 0x904 +#define CXADEC_SRC5_CTL 0x908 +#define CXADEC_SRC6_CTL 0x90C + +#define CXADEC_BASEBAND_OUT_SEL 0x910 +#define CXADEC_I2S_IN_CTL 0x914 +#define CXADEC_I2S_OUT_CTL 0x918 +#define CXADEC_AC97_CTL 0x91C +#define CXADEC_QAM_PDF 0x920 +#define CXADEC_QAM_CONST_DEC 0x924 +#define CXADEC_QAM_ROTATOR_FREQ 0x948 + +/* Bit definitions / settings used in Mako Audio */ +#define CXADEC_PREF_MODE_MONO_LANGA 0 +#define CXADEC_PREF_MODE_MONO_LANGB 1 +#define CXADEC_PREF_MODE_MONO_LANGC 2 +#define CXADEC_PREF_MODE_FALLBACK 3 +#define CXADEC_PREF_MODE_STEREO 4 +#define CXADEC_PREF_MODE_DUAL_LANG_AC 5 +#define CXADEC_PREF_MODE_DUAL_LANG_BC 6 +#define CXADEC_PREF_MODE_DUAL_LANG_AB 7 + + +#define CXADEC_DETECT_STEREO 1 +#define CXADEC_DETECT_DUAL 2 +#define CXADEC_DETECT_TRI 4 +#define CXADEC_DETECT_SAP 0x10 +#define CXADEC_DETECT_NO_SIGNAL 0xFF + +#define CXADEC_SELECT_AUDIO_STANDARD_BG 0xF0 /* NICAM BG and A2 BG */ +#define CXADEC_SELECT_AUDIO_STANDARD_DK1 0xF1 /* NICAM DK and A2 DK */ +#define CXADEC_SELECT_AUDIO_STANDARD_DK2 0xF2 +#define CXADEC_SELECT_AUDIO_STANDARD_DK3 0xF3 +#define CXADEC_SELECT_AUDIO_STANDARD_I 0xF4 /* NICAM I and A1 */ +#define CXADEC_SELECT_AUDIO_STANDARD_L 0xF5 /* NICAM L and System L AM */ +#define CXADEC_SELECT_AUDIO_STANDARD_BTSC 0xF6 +#define CXADEC_SELECT_AUDIO_STANDARD_EIAJ 0xF7 +#define CXADEC_SELECT_AUDIO_STANDARD_A2_M 0xF8 /* A2 M */ +#define CXADEC_SELECT_AUDIO_STANDARD_FM 0xF9 /* FM radio */ +#define CXADEC_SELECT_AUDIO_STANDARD_AUTO 0xFF /* Auto detect */ + +static inline struct cx18_av_state *to_cx18_av_state(struct v4l2_subdev *sd) +{ + return container_of(sd, struct cx18_av_state, sd); +} + +static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) +{ + return &container_of(ctrl->handler, struct cx18_av_state, hdl)->sd; +} + +/* ----------------------------------------------------------------------- */ +/* cx18_av-core.c */ +int cx18_av_write(struct cx18 *cx, u16 addr, u8 value); +int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value); +int cx18_av_write4_noretry(struct cx18 *cx, u16 addr, u32 value); +int cx18_av_write_expect(struct cx18 *cx, u16 addr, u8 value, u8 eval, u8 mask); +int cx18_av_write4_expect(struct cx18 *cx, u16 addr, u32 value, u32 eval, + u32 mask); +u8 cx18_av_read(struct cx18 *cx, u16 addr); +u32 cx18_av_read4(struct cx18 *cx, u16 addr); +int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned mask, u8 value); +int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 mask, u32 value); +void cx18_av_std_setup(struct cx18 *cx); + +int cx18_av_probe(struct cx18 *cx); + +/* ----------------------------------------------------------------------- */ +/* cx18_av-firmware.c */ +int cx18_av_loadfw(struct cx18 *cx); + +/* ----------------------------------------------------------------------- */ +/* cx18_av-audio.c */ +int cx18_av_s_clock_freq(struct v4l2_subdev *sd, u32 freq); +void cx18_av_audio_set_path(struct cx18 *cx); +extern const struct v4l2_ctrl_ops cx18_av_audio_ctrl_ops; + +/* ----------------------------------------------------------------------- */ +/* cx18_av-vbi.c */ +int cx18_av_decode_vbi_line(struct v4l2_subdev *sd, + struct v4l2_decode_vbi_line *vbi); +int cx18_av_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt); +int cx18_av_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt); +int cx18_av_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt); + +#endif diff --git a/drivers/media/pci/cx18/cx18-av-firmware.c b/drivers/media/pci/cx18/cx18-av-firmware.c new file mode 100644 index 0000000..a34fd08 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-av-firmware.c @@ -0,0 +1,225 @@ +/* + * cx18 ADEC firmware functions + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include "cx18-driver.h" +#include "cx18-io.h" +#include <linux/firmware.h> + +#define CX18_AUDIO_ENABLE 0xc72014 +#define CX18_AI1_MUX_MASK 0x30 +#define CX18_AI1_MUX_I2S1 0x00 +#define CX18_AI1_MUX_I2S2 0x10 +#define CX18_AI1_MUX_843_I2S 0x20 +#define CX18_AI1_MUX_INVALID 0x30 + +#define FWFILE "v4l-cx23418-dig.fw" + +static int cx18_av_verifyfw(struct cx18 *cx, const struct firmware *fw) +{ + struct v4l2_subdev *sd = &cx->av_state.sd; + int ret = 0; + const u8 *data; + u32 size; + int addr; + u32 expected, dl_control; + + /* Ensure we put the 8051 in reset and enable firmware upload mode */ + dl_control = cx18_av_read4(cx, CXADEC_DL_CTL); + do { + dl_control &= 0x00ffffff; + dl_control |= 0x0f000000; + cx18_av_write4_noretry(cx, CXADEC_DL_CTL, dl_control); + dl_control = cx18_av_read4(cx, CXADEC_DL_CTL); + } while ((dl_control & 0xff000000) != 0x0f000000); + + /* Read and auto increment until at address 0x0000 */ + while (dl_control & 0x3fff) + dl_control = cx18_av_read4(cx, CXADEC_DL_CTL); + + data = fw->data; + size = fw->size; + for (addr = 0; addr < size; addr++) { + dl_control &= 0xffff3fff; /* ignore top 2 bits of address */ + expected = 0x0f000000 | ((u32)data[addr] << 16) | addr; + if (expected != dl_control) { + CX18_ERR_DEV(sd, "verification of %s firmware load " + "failed: expected %#010x got %#010x\n", + FWFILE, expected, dl_control); + ret = -EIO; + break; + } + dl_control = cx18_av_read4(cx, CXADEC_DL_CTL); + } + if (ret == 0) + CX18_INFO_DEV(sd, "verified load of %s firmware (%d bytes)\n", + FWFILE, size); + return ret; +} + +int cx18_av_loadfw(struct cx18 *cx) +{ + struct v4l2_subdev *sd = &cx->av_state.sd; + const struct firmware *fw = NULL; + u32 size; + u32 u, v; + const u8 *ptr; + int i; + int retries1 = 0; + + if (request_firmware(&fw, FWFILE, &cx->pci_dev->dev) != 0) { + CX18_ERR_DEV(sd, "unable to open firmware %s\n", FWFILE); + return -EINVAL; + } + + /* The firmware load often has byte errors, so allow for several + retries, both at byte level and at the firmware load level. */ + while (retries1 < 5) { + cx18_av_write4_expect(cx, CXADEC_CHIP_CTRL, 0x00010000, + 0x00008430, 0xffffffff); /* cx25843 */ + cx18_av_write_expect(cx, CXADEC_STD_DET_CTL, 0xf6, 0xf6, 0xff); + + /* Reset the Mako core, Register is alias of CXADEC_CHIP_CTRL */ + cx18_av_write4_expect(cx, 0x8100, 0x00010000, + 0x00008430, 0xffffffff); /* cx25843 */ + + /* Put the 8051 in reset and enable firmware upload */ + cx18_av_write4_noretry(cx, CXADEC_DL_CTL, 0x0F000000); + + ptr = fw->data; + size = fw->size; + + for (i = 0; i < size; i++) { + u32 dl_control = 0x0F000000 | i | ((u32)ptr[i] << 16); + u32 value = 0; + int retries2; + int unrec_err = 0; + + for (retries2 = 0; retries2 < CX18_MAX_MMIO_WR_RETRIES; + retries2++) { + cx18_av_write4_noretry(cx, CXADEC_DL_CTL, + dl_control); + udelay(10); + value = cx18_av_read4(cx, CXADEC_DL_CTL); + if (value == dl_control) + break; + /* Check if we can correct the byte by changing + the address. We can only write the lower + address byte of the address. */ + if ((value & 0x3F00) != (dl_control & 0x3F00)) { + unrec_err = 1; + break; + } + } + if (unrec_err || retries2 >= CX18_MAX_MMIO_WR_RETRIES) + break; + } + if (i == size) + break; + retries1++; + } + if (retries1 >= 5) { + CX18_ERR_DEV(sd, "unable to load firmware %s\n", FWFILE); + release_firmware(fw); + return -EIO; + } + + cx18_av_write4_expect(cx, CXADEC_DL_CTL, + 0x03000000 | fw->size, 0x03000000, 0x13000000); + + CX18_INFO_DEV(sd, "loaded %s firmware (%d bytes)\n", FWFILE, size); + + if (cx18_av_verifyfw(cx, fw) == 0) + cx18_av_write4_expect(cx, CXADEC_DL_CTL, + 0x13000000 | fw->size, 0x13000000, 0x13000000); + + /* Output to the 416 */ + cx18_av_and_or4(cx, CXADEC_PIN_CTRL1, ~0, 0x78000); + + /* Audio input control 1 set to Sony mode */ + /* Audio output input 2 is 0 for slave operation input */ + /* 0xC4000914[5]: 0 = left sample on WS=0, 1 = left sample on WS=1 */ + /* 0xC4000914[7]: 0 = Philips mode, 1 = Sony mode (1st SCK rising edge + after WS transition for first bit of audio word. */ + cx18_av_write4(cx, CXADEC_I2S_IN_CTL, 0x000000A0); + + /* Audio output control 1 is set to Sony mode */ + /* Audio output control 2 is set to 1 for master mode */ + /* 0xC4000918[5]: 0 = left sample on WS=0, 1 = left sample on WS=1 */ + /* 0xC4000918[7]: 0 = Philips mode, 1 = Sony mode (1st SCK rising edge + after WS transition for first bit of audio word. */ + /* 0xC4000918[8]: 0 = slave operation, 1 = master (SCK_OUT and WS_OUT + are generated) */ + cx18_av_write4(cx, CXADEC_I2S_OUT_CTL, 0x000001A0); + + /* set alt I2s master clock to /0x16 and enable alt divider i2s + passthrough */ + cx18_av_write4(cx, CXADEC_PIN_CFG3, 0x5600B687); + + cx18_av_write4_expect(cx, CXADEC_STD_DET_CTL, 0x000000F6, 0x000000F6, + 0x3F00FFFF); + /* CxDevWrReg(CXADEC_STD_DET_CTL, 0x000000FF); */ + + /* Set bit 0 in register 0x9CC to signify that this is MiniMe. */ + /* Register 0x09CC is defined by the Merlin firmware, and doesn't + have a name in the spec. */ + cx18_av_write4(cx, 0x09CC, 1); + + v = cx18_read_reg(cx, CX18_AUDIO_ENABLE); + /* If bit 11 is 1, clear bit 10 */ + if (v & 0x800) + cx18_write_reg_expect(cx, v & 0xFFFFFBFF, CX18_AUDIO_ENABLE, + 0, 0x400); + + /* Toggle the AI1 MUX */ + v = cx18_read_reg(cx, CX18_AUDIO_ENABLE); + u = v & CX18_AI1_MUX_MASK; + v &= ~CX18_AI1_MUX_MASK; + if (u == CX18_AI1_MUX_843_I2S || u == CX18_AI1_MUX_INVALID) { + /* Switch to I2S1 */ + v |= CX18_AI1_MUX_I2S1; + cx18_write_reg_expect(cx, v | 0xb00, CX18_AUDIO_ENABLE, + v, CX18_AI1_MUX_MASK); + /* Switch back to the A/V decoder core I2S output */ + v = (v & ~CX18_AI1_MUX_MASK) | CX18_AI1_MUX_843_I2S; + } else { + /* Switch to the A/V decoder core I2S output */ + v |= CX18_AI1_MUX_843_I2S; + cx18_write_reg_expect(cx, v | 0xb00, CX18_AUDIO_ENABLE, + v, CX18_AI1_MUX_MASK); + /* Switch back to I2S1 or I2S2 */ + v = (v & ~CX18_AI1_MUX_MASK) | u; + } + cx18_write_reg_expect(cx, v | 0xb00, CX18_AUDIO_ENABLE, + v, CX18_AI1_MUX_MASK); + + /* Enable WW auto audio standard detection */ + v = cx18_av_read4(cx, CXADEC_STD_DET_CTL); + v |= 0xFF; /* Auto by default */ + v |= 0x400; /* Stereo by default */ + v |= 0x14000000; + cx18_av_write4_expect(cx, CXADEC_STD_DET_CTL, v, v, 0x3F00FFFF); + + release_firmware(fw); + return 0; +} + +MODULE_FIRMWARE(FWFILE); diff --git a/drivers/media/pci/cx18/cx18-av-vbi.c b/drivers/media/pci/cx18/cx18-av-vbi.c new file mode 100644 index 0000000..2469828 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-av-vbi.c @@ -0,0 +1,313 @@ +/* + * cx18 ADEC VBI functions + * + * Derived from cx25840-vbi.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + + +#include "cx18-driver.h" + +/* + * For sliced VBI output, we set up to use VIP-1.1, 8-bit mode, + * NN counts 1 byte Dwords, an IDID with the VBI line # in it. + * Thus, according to the VIP-2 Spec, our VBI ancillary data lines + * (should!) look like: + * 4 byte EAV code: 0xff 0x00 0x00 0xRP + * unknown number of possible idle bytes + * 3 byte Anc data preamble: 0x00 0xff 0xff + * 1 byte data identifier: ne010iii (parity bits, 010, DID bits) + * 1 byte secondary data id: nessssss (parity bits, SDID bits) + * 1 byte data word count: necccccc (parity bits, NN Dword count) + * 2 byte Internal DID: VBI-line-# 0x80 + * NN data bytes + * 1 byte checksum + * Fill bytes needed to fil out to 4*NN bytes of payload + * + * The RP codes for EAVs when in VIP-1.1 mode, not in raw mode, & + * in the vertical blanking interval are: + * 0xb0 (Task 0 VerticalBlank HorizontalBlank 0 0 0 0) + * 0xf0 (Task EvenField VerticalBlank HorizontalBlank 0 0 0 0) + * + * Since the V bit is only allowed to toggle in the EAV RP code, just + * before the first active region line and for active lines, they are: + * 0x90 (Task 0 0 HorizontalBlank 0 0 0 0) + * 0xd0 (Task EvenField 0 HorizontalBlank 0 0 0 0) + * + * The user application DID bytes we care about are: + * 0x91 (1 0 010 0 !ActiveLine AncDataPresent) + * 0x55 (0 1 010 2ndField !ActiveLine AncDataPresent) + * + */ +static const u8 sliced_vbi_did[2] = { 0x91, 0x55 }; + +struct vbi_anc_data { + /* u8 eav[4]; */ + /* u8 idle[]; Variable number of idle bytes */ + u8 preamble[3]; + u8 did; + u8 sdid; + u8 data_count; + u8 idid[2]; + u8 payload[1]; /* data_count of payload */ + /* u8 checksum; */ + /* u8 fill[]; Variable number of fill bytes */ +}; + +static int odd_parity(u8 c) +{ + c ^= (c >> 4); + c ^= (c >> 2); + c ^= (c >> 1); + + return c & 1; +} + +static int decode_vps(u8 *dst, u8 *p) +{ + static const u8 biphase_tbl[] = { + 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, + 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, + 0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96, + 0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2, + 0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94, + 0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0, + 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, + 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, + 0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5, + 0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1, + 0xc3, 0x4b, 0x43, 0xc3, 0x87, 0x0f, 0x07, 0x87, + 0x83, 0x0b, 0x03, 0x83, 0xc3, 0x4b, 0x43, 0xc3, + 0xc1, 0x49, 0x41, 0xc1, 0x85, 0x0d, 0x05, 0x85, + 0x81, 0x09, 0x01, 0x81, 0xc1, 0x49, 0x41, 0xc1, + 0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5, + 0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1, + 0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4, + 0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0, + 0xc2, 0x4a, 0x42, 0xc2, 0x86, 0x0e, 0x06, 0x86, + 0x82, 0x0a, 0x02, 0x82, 0xc2, 0x4a, 0x42, 0xc2, + 0xc0, 0x48, 0x40, 0xc0, 0x84, 0x0c, 0x04, 0x84, + 0x80, 0x08, 0x00, 0x80, 0xc0, 0x48, 0x40, 0xc0, + 0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4, + 0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0, + 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, + 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, + 0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96, + 0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2, + 0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94, + 0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0, + 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, + 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, + }; + + u8 c, err = 0; + int i; + + for (i = 0; i < 2 * 13; i += 2) { + err |= biphase_tbl[p[i]] | biphase_tbl[p[i + 1]]; + c = (biphase_tbl[p[i + 1]] & 0xf) | + ((biphase_tbl[p[i]] & 0xf) << 4); + dst[i / 2] = c; + } + + return err & 0xf0; +} + +int cx18_av_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + struct cx18_av_state *state = &cx->av_state; + static const u16 lcr2vbi[] = { + 0, V4L2_SLICED_TELETEXT_B, 0, /* 1 */ + 0, V4L2_SLICED_WSS_625, 0, /* 4 */ + V4L2_SLICED_CAPTION_525, /* 6 */ + 0, 0, V4L2_SLICED_VPS, 0, 0, /* 9 */ + 0, 0, 0, 0 + }; + int is_pal = !(state->std & V4L2_STD_525_60); + int i; + + memset(svbi->service_lines, 0, sizeof(svbi->service_lines)); + svbi->service_set = 0; + + /* we're done if raw VBI is active */ + if ((cx18_av_read(cx, 0x404) & 0x10) == 0) + return 0; + + if (is_pal) { + for (i = 7; i <= 23; i++) { + u8 v = cx18_av_read(cx, 0x424 + i - 7); + + svbi->service_lines[0][i] = lcr2vbi[v >> 4]; + svbi->service_lines[1][i] = lcr2vbi[v & 0xf]; + svbi->service_set |= svbi->service_lines[0][i] | + svbi->service_lines[1][i]; + } + } else { + for (i = 10; i <= 21; i++) { + u8 v = cx18_av_read(cx, 0x424 + i - 10); + + svbi->service_lines[0][i] = lcr2vbi[v >> 4]; + svbi->service_lines[1][i] = lcr2vbi[v & 0xf]; + svbi->service_set |= svbi->service_lines[0][i] | + svbi->service_lines[1][i]; + } + } + return 0; +} + +int cx18_av_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + struct cx18_av_state *state = &cx->av_state; + + /* Setup standard */ + cx18_av_std_setup(cx); + + /* VBI Offset */ + cx18_av_write(cx, 0x47f, state->slicer_line_delay); + cx18_av_write(cx, 0x404, 0x2e); + return 0; +} + +int cx18_av_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + struct cx18_av_state *state = &cx->av_state; + int is_pal = !(state->std & V4L2_STD_525_60); + int i, x; + u8 lcr[24]; + + for (x = 0; x <= 23; x++) + lcr[x] = 0x00; + + /* Setup standard */ + cx18_av_std_setup(cx); + + /* Sliced VBI */ + cx18_av_write(cx, 0x404, 0x32); /* Ancillary data */ + cx18_av_write(cx, 0x406, 0x13); + cx18_av_write(cx, 0x47f, state->slicer_line_delay); + + /* Force impossible lines to 0 */ + if (is_pal) { + for (i = 0; i <= 6; i++) + svbi->service_lines[0][i] = + svbi->service_lines[1][i] = 0; + } else { + for (i = 0; i <= 9; i++) + svbi->service_lines[0][i] = + svbi->service_lines[1][i] = 0; + + for (i = 22; i <= 23; i++) + svbi->service_lines[0][i] = + svbi->service_lines[1][i] = 0; + } + + /* Build register values for requested service lines */ + for (i = 7; i <= 23; i++) { + for (x = 0; x <= 1; x++) { + switch (svbi->service_lines[1-x][i]) { + case V4L2_SLICED_TELETEXT_B: + lcr[i] |= 1 << (4 * x); + break; + case V4L2_SLICED_WSS_625: + lcr[i] |= 4 << (4 * x); + break; + case V4L2_SLICED_CAPTION_525: + lcr[i] |= 6 << (4 * x); + break; + case V4L2_SLICED_VPS: + lcr[i] |= 9 << (4 * x); + break; + } + } + } + + if (is_pal) { + for (x = 1, i = 0x424; i <= 0x434; i++, x++) + cx18_av_write(cx, i, lcr[6 + x]); + } else { + for (x = 1, i = 0x424; i <= 0x430; i++, x++) + cx18_av_write(cx, i, lcr[9 + x]); + for (i = 0x431; i <= 0x434; i++) + cx18_av_write(cx, i, 0); + } + + cx18_av_write(cx, 0x43c, 0x16); + /* Should match vblank set in cx18_av_std_setup() */ + cx18_av_write(cx, 0x474, is_pal ? 38 : 26); + return 0; +} + +int cx18_av_decode_vbi_line(struct v4l2_subdev *sd, + struct v4l2_decode_vbi_line *vbi) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + struct cx18_av_state *state = &cx->av_state; + struct vbi_anc_data *anc = (struct vbi_anc_data *)vbi->p; + u8 *p; + int did, sdid, l, err = 0; + + /* + * Check for the ancillary data header for sliced VBI + */ + if (anc->preamble[0] || + anc->preamble[1] != 0xff || anc->preamble[2] != 0xff || + (anc->did != sliced_vbi_did[0] && + anc->did != sliced_vbi_did[1])) { + vbi->line = vbi->type = 0; + return 0; + } + + did = anc->did; + sdid = anc->sdid & 0xf; + l = anc->idid[0] & 0x3f; + l += state->slicer_line_offset; + p = anc->payload; + + /* Decode the SDID set by the slicer */ + switch (sdid) { + case 1: + sdid = V4L2_SLICED_TELETEXT_B; + break; + case 4: + sdid = V4L2_SLICED_WSS_625; + break; + case 6: + sdid = V4L2_SLICED_CAPTION_525; + err = !odd_parity(p[0]) || !odd_parity(p[1]); + break; + case 9: + sdid = V4L2_SLICED_VPS; + if (decode_vps(p, p) != 0) + err = 1; + break; + default: + sdid = 0; + err = 1; + break; + } + + vbi->type = err ? 0 : sdid; + vbi->line = err ? 0 : l; + vbi->is_second_field = err ? 0 : (did == sliced_vbi_did[1]); + vbi->p = p; + return 0; +} diff --git a/drivers/media/pci/cx18/cx18-cards.c b/drivers/media/pci/cx18/cx18-cards.c new file mode 100644 index 0000000..c07c849 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-cards.c @@ -0,0 +1,638 @@ +/* + * cx18 functions to query card hardware + * + * Derived from ivtv-cards.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-cards.h" +#include "cx18-av-core.h" +#include "cx18-i2c.h" +#include <media/cs5345.h> + +#define V4L2_STD_PAL_SECAM (V4L2_STD_PAL|V4L2_STD_SECAM) + +/********************** card configuration *******************************/ + +/* usual i2c tuner addresses to probe */ +static struct cx18_card_tuner_i2c cx18_i2c_std = { + .radio = { I2C_CLIENT_END }, + .demod = { 0x43, I2C_CLIENT_END }, + .tv = { 0x61, 0x60, I2C_CLIENT_END }, +}; + +/* + * usual i2c tuner addresses to probe with additional demod address for + * an NXP TDA8295 at 0x42 (N.B. it can possibly be at 0x4b or 0x4c too). + */ +static struct cx18_card_tuner_i2c cx18_i2c_nxp = { + .radio = { I2C_CLIENT_END }, + .demod = { 0x42, 0x43, I2C_CLIENT_END }, + .tv = { 0x61, 0x60, I2C_CLIENT_END }, +}; + +/* Please add new PCI IDs to: http://pci-ids.ucw.cz/ + This keeps the PCI ID database up to date. Note that the entries + must be added under vendor 0x4444 (Conexant) as subsystem IDs. + New vendor IDs should still be added to the vendor ID list. */ + +/* Hauppauge HVR-1600 cards */ + +/* Note: for Hauppauge cards the tveeprom information is used instead + of PCI IDs */ +static const struct cx18_card cx18_card_hvr1600_esmt = { + .type = CX18_CARD_HVR_1600_ESMT, + .name = "Hauppauge HVR-1600", + .comment = "Simultaneous Digital and Analog TV capture supported\n", + .v4l2_capabilities = CX18_CAP_ENCODER, + .hw_audio_ctrl = CX18_HW_418_AV, + .hw_muxer = CX18_HW_CS5345, + .hw_all = CX18_HW_TVEEPROM | CX18_HW_418_AV | CX18_HW_TUNER | + CX18_HW_CS5345 | CX18_HW_DVB | CX18_HW_GPIO_RESET_CTRL | + CX18_HW_Z8F0811_IR_HAUP, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE7 }, + { CX18_CARD_INPUT_SVIDEO1, 1, CX18_AV_SVIDEO1 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX18_AV_COMPOSITE3 }, + { CX18_CARD_INPUT_SVIDEO2, 2, CX18_AV_SVIDEO2 }, + { CX18_CARD_INPUT_COMPOSITE2, 2, CX18_AV_COMPOSITE4 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, + CX18_AV_AUDIO8, CS5345_IN_1 | CS5345_MCLK_1_5 }, + { CX18_CARD_INPUT_LINE_IN1, + CX18_AV_AUDIO_SERIAL1, CS5345_IN_2 }, + { CX18_CARD_INPUT_LINE_IN2, + CX18_AV_AUDIO_SERIAL1, CS5345_IN_3 }, + }, + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, + CX18_AV_AUDIO_SERIAL1, CS5345_IN_4 }, + .ddr = { + /* ESMT M13S128324A-5B memory */ + .chip_config = 0x003, + .refresh = 0x30c, + .timing1 = 0x44220e82, + .timing2 = 0x08, + .tune_lane = 0, + .initial_emrs = 0, + }, + .gpio_init.initial_value = 0x3001, + .gpio_init.direction = 0x3001, + .gpio_i2c_slave_reset = { + .active_lo_mask = 0x3001, + .msecs_asserted = 10, + .msecs_recovery = 40, + .ir_reset_mask = 0x0001, + }, + .i2c = &cx18_i2c_std, +}; + +static const struct cx18_card cx18_card_hvr1600_s5h1411 = { + .type = CX18_CARD_HVR_1600_S5H1411, + .name = "Hauppauge HVR-1600", + .comment = "Simultaneous Digital and Analog TV capture supported\n", + .v4l2_capabilities = CX18_CAP_ENCODER, + .hw_audio_ctrl = CX18_HW_418_AV, + .hw_muxer = CX18_HW_CS5345, + .hw_all = CX18_HW_TVEEPROM | CX18_HW_418_AV | CX18_HW_TUNER | + CX18_HW_CS5345 | CX18_HW_DVB | CX18_HW_GPIO_RESET_CTRL | + CX18_HW_Z8F0811_IR_HAUP, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE7 }, + { CX18_CARD_INPUT_SVIDEO1, 1, CX18_AV_SVIDEO1 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX18_AV_COMPOSITE3 }, + { CX18_CARD_INPUT_SVIDEO2, 2, CX18_AV_SVIDEO2 }, + { CX18_CARD_INPUT_COMPOSITE2, 2, CX18_AV_COMPOSITE4 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, + CX18_AV_AUDIO8, CS5345_IN_1 | CS5345_MCLK_1_5 }, + { CX18_CARD_INPUT_LINE_IN1, + CX18_AV_AUDIO_SERIAL1, CS5345_IN_2 }, + { CX18_CARD_INPUT_LINE_IN2, + CX18_AV_AUDIO_SERIAL1, CS5345_IN_3 }, + }, + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, + CX18_AV_AUDIO_SERIAL1, CS5345_IN_4 }, + .ddr = { + /* ESMT M13S128324A-5B memory */ + .chip_config = 0x003, + .refresh = 0x30c, + .timing1 = 0x44220e82, + .timing2 = 0x08, + .tune_lane = 0, + .initial_emrs = 0, + }, + .gpio_init.initial_value = 0x3801, + .gpio_init.direction = 0x3801, + .gpio_i2c_slave_reset = { + .active_lo_mask = 0x3801, + .msecs_asserted = 10, + .msecs_recovery = 40, + .ir_reset_mask = 0x0001, + }, + .i2c = &cx18_i2c_nxp, +}; + +static const struct cx18_card cx18_card_hvr1600_samsung = { + .type = CX18_CARD_HVR_1600_SAMSUNG, + .name = "Hauppauge HVR-1600 (Preproduction)", + .comment = "Simultaneous Digital and Analog TV capture supported\n", + .v4l2_capabilities = CX18_CAP_ENCODER, + .hw_audio_ctrl = CX18_HW_418_AV, + .hw_muxer = CX18_HW_CS5345, + .hw_all = CX18_HW_TVEEPROM | CX18_HW_418_AV | CX18_HW_TUNER | + CX18_HW_CS5345 | CX18_HW_DVB | CX18_HW_GPIO_RESET_CTRL | + CX18_HW_Z8F0811_IR_HAUP, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE7 }, + { CX18_CARD_INPUT_SVIDEO1, 1, CX18_AV_SVIDEO1 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX18_AV_COMPOSITE3 }, + { CX18_CARD_INPUT_SVIDEO2, 2, CX18_AV_SVIDEO2 }, + { CX18_CARD_INPUT_COMPOSITE2, 2, CX18_AV_COMPOSITE4 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, + CX18_AV_AUDIO8, CS5345_IN_1 | CS5345_MCLK_1_5 }, + { CX18_CARD_INPUT_LINE_IN1, + CX18_AV_AUDIO_SERIAL1, CS5345_IN_2 }, + { CX18_CARD_INPUT_LINE_IN2, + CX18_AV_AUDIO_SERIAL1, CS5345_IN_3 }, + }, + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, + CX18_AV_AUDIO_SERIAL1, CS5345_IN_4 }, + .ddr = { + /* Samsung K4D263238G-VC33 memory */ + .chip_config = 0x003, + .refresh = 0x30c, + .timing1 = 0x23230b73, + .timing2 = 0x08, + .tune_lane = 0, + .initial_emrs = 2, + }, + .gpio_init.initial_value = 0x3001, + .gpio_init.direction = 0x3001, + .gpio_i2c_slave_reset = { + .active_lo_mask = 0x3001, + .msecs_asserted = 10, + .msecs_recovery = 40, + .ir_reset_mask = 0x0001, + }, + .i2c = &cx18_i2c_std, +}; + +/* ------------------------------------------------------------------------- */ + +/* Compro VideoMate H900: note that this card is analog only! */ + +static const struct cx18_card_pci_info cx18_pci_h900[] = { + { PCI_DEVICE_ID_CX23418, CX18_PCI_ID_COMPRO, 0xe100 }, + { 0, 0, 0 } +}; + +static const struct cx18_card cx18_card_h900 = { + .type = CX18_CARD_COMPRO_H900, + .name = "Compro VideoMate H900", + .comment = "Analog TV capture supported\n", + .v4l2_capabilities = CX18_CAP_ENCODER, + .hw_audio_ctrl = CX18_HW_418_AV, + .hw_all = CX18_HW_418_AV | CX18_HW_TUNER | CX18_HW_GPIO_RESET_CTRL, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE2 }, + { CX18_CARD_INPUT_SVIDEO1, 1, + CX18_AV_SVIDEO_LUMA3 | CX18_AV_SVIDEO_CHROMA4 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX18_AV_COMPOSITE1 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, + CX18_AV_AUDIO5, 0 }, + { CX18_CARD_INPUT_LINE_IN1, + CX18_AV_AUDIO_SERIAL1, 0 }, + }, + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, + CX18_AV_AUDIO_SERIAL1, 0 }, + .tuners = { + { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 }, + }, + .ddr = { + /* EtronTech EM6A9160TS-5G memory */ + .chip_config = 0x50003, + .refresh = 0x753, + .timing1 = 0x24330e84, + .timing2 = 0x1f, + .tune_lane = 0, + .initial_emrs = 0, + }, + .xceive_pin = 15, + .pci_list = cx18_pci_h900, + .i2c = &cx18_i2c_std, +}; + +/* ------------------------------------------------------------------------- */ + +/* Yuan MPC718: not working at the moment! */ + +static const struct cx18_card_pci_info cx18_pci_mpc718[] = { + { PCI_DEVICE_ID_CX23418, CX18_PCI_ID_YUAN, 0x0718 }, + { 0, 0, 0 } +}; + +static const struct cx18_card cx18_card_mpc718 = { + .type = CX18_CARD_YUAN_MPC718, + .name = "Yuan MPC718 MiniPCI DVB-T/Analog", + .comment = "Experimenters needed for device to work well.\n" + "\tTo help, mail the ivtv-devel list (www.ivtvdriver.org).\n", + .v4l2_capabilities = CX18_CAP_ENCODER, + .hw_audio_ctrl = CX18_HW_418_AV, + .hw_muxer = CX18_HW_GPIO_MUX, + .hw_all = CX18_HW_TVEEPROM | CX18_HW_418_AV | CX18_HW_TUNER | + CX18_HW_GPIO_MUX | CX18_HW_DVB | CX18_HW_GPIO_RESET_CTRL, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE2 }, + { CX18_CARD_INPUT_SVIDEO1, 1, + CX18_AV_SVIDEO_LUMA3 | CX18_AV_SVIDEO_CHROMA4 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX18_AV_COMPOSITE1 }, + { CX18_CARD_INPUT_SVIDEO2, 2, + CX18_AV_SVIDEO_LUMA7 | CX18_AV_SVIDEO_CHROMA8 }, + { CX18_CARD_INPUT_COMPOSITE2, 2, CX18_AV_COMPOSITE6 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 0 }, + { CX18_CARD_INPUT_LINE_IN1, CX18_AV_AUDIO_SERIAL1, 1 }, + { CX18_CARD_INPUT_LINE_IN2, CX18_AV_AUDIO_SERIAL2, 1 }, + }, + .tuners = { + /* XC3028 tuner */ + { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 }, + }, + /* FIXME - the FM radio is just a guess and driver doesn't use SIF */ + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 2 }, + .ddr = { + /* Hynix HY5DU283222B DDR RAM */ + .chip_config = 0x303, + .refresh = 0x3bd, + .timing1 = 0x36320966, + .timing2 = 0x1f, + .tune_lane = 0, + .initial_emrs = 2, + }, + .gpio_init.initial_value = 0x1, + .gpio_init.direction = 0x3, + /* FIXME - these GPIO's are just guesses */ + .gpio_audio_input = { .mask = 0x3, + .tuner = 0x1, + .linein = 0x3, + .radio = 0x1 }, + .xceive_pin = 0, + .pci_list = cx18_pci_mpc718, + .i2c = &cx18_i2c_std, +}; + +/* ------------------------------------------------------------------------- */ + +/* GoTView PCI */ + +static const struct cx18_card_pci_info cx18_pci_gotview_dvd3[] = { + { PCI_DEVICE_ID_CX23418, CX18_PCI_ID_GOTVIEW, 0x3343 }, + { 0, 0, 0 } +}; + +static const struct cx18_card cx18_card_gotview_dvd3 = { + .type = CX18_CARD_GOTVIEW_PCI_DVD3, + .name = "GoTView PCI DVD3 Hybrid", + .comment = "Experimenters needed for device to work well.\n" + "\tTo help, mail the ivtv-devel list (www.ivtvdriver.org).\n", + .v4l2_capabilities = CX18_CAP_ENCODER, + .hw_audio_ctrl = CX18_HW_418_AV, + .hw_muxer = CX18_HW_GPIO_MUX, + .hw_all = CX18_HW_TVEEPROM | CX18_HW_418_AV | CX18_HW_TUNER | + CX18_HW_GPIO_MUX | CX18_HW_DVB | CX18_HW_GPIO_RESET_CTRL, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE2 }, + { CX18_CARD_INPUT_SVIDEO1, 1, + CX18_AV_SVIDEO_LUMA3 | CX18_AV_SVIDEO_CHROMA4 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX18_AV_COMPOSITE1 }, + { CX18_CARD_INPUT_SVIDEO2, 2, + CX18_AV_SVIDEO_LUMA7 | CX18_AV_SVIDEO_CHROMA8 }, + { CX18_CARD_INPUT_COMPOSITE2, 2, CX18_AV_COMPOSITE6 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 0 }, + { CX18_CARD_INPUT_LINE_IN1, CX18_AV_AUDIO_SERIAL1, 1 }, + { CX18_CARD_INPUT_LINE_IN2, CX18_AV_AUDIO_SERIAL2, 1 }, + }, + .tuners = { + /* XC3028 tuner */ + { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 }, + }, + /* FIXME - the FM radio is just a guess and driver doesn't use SIF */ + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 2 }, + .ddr = { + /* Hynix HY5DU283222B DDR RAM */ + .chip_config = 0x303, + .refresh = 0x3bd, + .timing1 = 0x36320966, + .timing2 = 0x1f, + .tune_lane = 0, + .initial_emrs = 2, + }, + .gpio_init.initial_value = 0x1, + .gpio_init.direction = 0x3, + + .gpio_audio_input = { .mask = 0x3, + .tuner = 0x1, + .linein = 0x2, + .radio = 0x1 }, + .xceive_pin = 0, + .pci_list = cx18_pci_gotview_dvd3, + .i2c = &cx18_i2c_std, +}; + +/* ------------------------------------------------------------------------- */ + +/* Conexant Raptor PAL/SECAM: note that this card is analog only! */ + +static const struct cx18_card_pci_info cx18_pci_cnxt_raptor_pal[] = { + { PCI_DEVICE_ID_CX23418, CX18_PCI_ID_CONEXANT, 0x0009 }, + { 0, 0, 0 } +}; + +static const struct cx18_card cx18_card_cnxt_raptor_pal = { + .type = CX18_CARD_CNXT_RAPTOR_PAL, + .name = "Conexant Raptor PAL/SECAM", + .comment = "Analog TV capture supported\n", + .v4l2_capabilities = CX18_CAP_ENCODER, + .hw_audio_ctrl = CX18_HW_418_AV, + .hw_muxer = CX18_HW_GPIO_MUX, + .hw_all = CX18_HW_418_AV | CX18_HW_TUNER | CX18_HW_GPIO_MUX, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE2 }, + { CX18_CARD_INPUT_SVIDEO1, 1, + CX18_AV_SVIDEO_LUMA3 | CX18_AV_SVIDEO_CHROMA4 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX18_AV_COMPOSITE1 }, + { CX18_CARD_INPUT_SVIDEO2, 2, + CX18_AV_SVIDEO_LUMA7 | CX18_AV_SVIDEO_CHROMA8 }, + { CX18_CARD_INPUT_COMPOSITE2, 2, CX18_AV_COMPOSITE6 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 0 }, + { CX18_CARD_INPUT_LINE_IN1, CX18_AV_AUDIO_SERIAL1, 1 }, + { CX18_CARD_INPUT_LINE_IN2, CX18_AV_AUDIO_SERIAL2, 1 }, + }, + .tuners = { + { .std = V4L2_STD_PAL_SECAM, .tuner = TUNER_PHILIPS_FM1216ME_MK3 }, + }, + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO_SERIAL1, 2 }, + .ddr = { + /* MT 46V16M16 memory */ + .chip_config = 0x50306, + .refresh = 0x753, + .timing1 = 0x33220953, + .timing2 = 0x09, + .tune_lane = 0, + .initial_emrs = 0, + }, + .gpio_init.initial_value = 0x1002, + .gpio_init.direction = 0xf002, + .gpio_audio_input = { .mask = 0xf002, + .tuner = 0x1002, /* LED D1 Tuner AF */ + .linein = 0x2000, /* LED D2 Line In 1 */ + .radio = 0x4002 }, /* LED D3 Tuner AF */ + .pci_list = cx18_pci_cnxt_raptor_pal, + .i2c = &cx18_i2c_std, +}; + +/* ------------------------------------------------------------------------- */ + +/* Toshiba Qosmio laptop internal DVB-T/Analog Hybrid Tuner */ + +static const struct cx18_card_pci_info cx18_pci_toshiba_qosmio_dvbt[] = { + { PCI_DEVICE_ID_CX23418, CX18_PCI_ID_TOSHIBA, 0x0110 }, + { 0, 0, 0 } +}; + +static const struct cx18_card cx18_card_toshiba_qosmio_dvbt = { + .type = CX18_CARD_TOSHIBA_QOSMIO_DVBT, + .name = "Toshiba Qosmio DVB-T/Analog", + .comment = "Experimenters and photos needed for device to work well.\n" + "\tTo help, mail the ivtv-devel list (www.ivtvdriver.org).\n", + .v4l2_capabilities = CX18_CAP_ENCODER, + .hw_audio_ctrl = CX18_HW_418_AV, + .hw_all = CX18_HW_418_AV | CX18_HW_TUNER | CX18_HW_GPIO_RESET_CTRL, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE6 }, + { CX18_CARD_INPUT_SVIDEO1, 1, + CX18_AV_SVIDEO_LUMA3 | CX18_AV_SVIDEO_CHROMA4 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX18_AV_COMPOSITE1 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 0 }, + { CX18_CARD_INPUT_LINE_IN1, CX18_AV_AUDIO_SERIAL1, 1 }, + }, + .tuners = { + { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 }, + }, + .ddr = { + .chip_config = 0x202, + .refresh = 0x3bb, + .timing1 = 0x33320a63, + .timing2 = 0x0a, + .tune_lane = 0, + .initial_emrs = 0x42, + }, + .xceive_pin = 15, + .pci_list = cx18_pci_toshiba_qosmio_dvbt, + .i2c = &cx18_i2c_std, +}; + +/* ------------------------------------------------------------------------- */ + +/* Leadtek WinFast PVR2100 */ + +static const struct cx18_card_pci_info cx18_pci_leadtek_pvr2100[] = { + { PCI_DEVICE_ID_CX23418, CX18_PCI_ID_LEADTEK, 0x6f27 }, /* PVR2100 */ + { 0, 0, 0 } +}; + +static const struct cx18_card cx18_card_leadtek_pvr2100 = { + .type = CX18_CARD_LEADTEK_PVR2100, + .name = "Leadtek WinFast PVR2100", + .comment = "Experimenters and photos needed for device to work well.\n" + "\tTo help, mail the ivtv-devel list (www.ivtvdriver.org).\n", + .v4l2_capabilities = CX18_CAP_ENCODER, + .hw_audio_ctrl = CX18_HW_418_AV, + .hw_muxer = CX18_HW_GPIO_MUX, + .hw_all = CX18_HW_418_AV | CX18_HW_TUNER | CX18_HW_GPIO_MUX | + CX18_HW_GPIO_RESET_CTRL, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE2 }, + { CX18_CARD_INPUT_SVIDEO1, 1, + CX18_AV_SVIDEO_LUMA3 | CX18_AV_SVIDEO_CHROMA4 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX18_AV_COMPOSITE7 }, + { CX18_CARD_INPUT_COMPONENT1, 1, CX18_AV_COMPONENT1 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 0 }, + { CX18_CARD_INPUT_LINE_IN1, CX18_AV_AUDIO_SERIAL1, 1 }, + }, + .tuners = { + /* XC2028 tuner */ + { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 }, + }, + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 2 }, + .ddr = { + /* Pointer to proper DDR config values provided by Terry Wu */ + .chip_config = 0x303, + .refresh = 0x3bb, + .timing1 = 0x24220e83, + .timing2 = 0x1f, + .tune_lane = 0, + .initial_emrs = 0x2, + }, + .gpio_init.initial_value = 0x6, + .gpio_init.direction = 0x7, + .gpio_audio_input = { .mask = 0x7, + .tuner = 0x6, .linein = 0x2, .radio = 0x2 }, + .xceive_pin = 1, + .pci_list = cx18_pci_leadtek_pvr2100, + .i2c = &cx18_i2c_std, +}; + +/* ------------------------------------------------------------------------- */ + +/* Leadtek WinFast DVR3100 H */ + +static const struct cx18_card_pci_info cx18_pci_leadtek_dvr3100h[] = { + { PCI_DEVICE_ID_CX23418, CX18_PCI_ID_LEADTEK, 0x6690 }, /* DVR3100 H */ + { 0, 0, 0 } +}; + +static const struct cx18_card cx18_card_leadtek_dvr3100h = { + .type = CX18_CARD_LEADTEK_DVR3100H, + .name = "Leadtek WinFast DVR3100 H", + .comment = "Simultaneous DVB-T and Analog capture supported,\n" + "\texcept when capturing Analog from the antenna input.\n", + .v4l2_capabilities = CX18_CAP_ENCODER, + .hw_audio_ctrl = CX18_HW_418_AV, + .hw_muxer = CX18_HW_GPIO_MUX, + .hw_all = CX18_HW_418_AV | CX18_HW_TUNER | CX18_HW_GPIO_MUX | + CX18_HW_DVB | CX18_HW_GPIO_RESET_CTRL, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE2 }, + { CX18_CARD_INPUT_SVIDEO1, 1, + CX18_AV_SVIDEO_LUMA3 | CX18_AV_SVIDEO_CHROMA4 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX18_AV_COMPOSITE7 }, + { CX18_CARD_INPUT_COMPONENT1, 1, CX18_AV_COMPONENT1 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 0 }, + { CX18_CARD_INPUT_LINE_IN1, CX18_AV_AUDIO_SERIAL1, 1 }, + }, + .tuners = { + /* XC3028 tuner */ + { .std = V4L2_STD_ALL, .tuner = TUNER_XC2028 }, + }, + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, CX18_AV_AUDIO5, 2 }, + .ddr = { + /* Pointer to proper DDR config values provided by Terry Wu */ + .chip_config = 0x303, + .refresh = 0x3bb, + .timing1 = 0x24220e83, + .timing2 = 0x1f, + .tune_lane = 0, + .initial_emrs = 0x2, + }, + .gpio_init.initial_value = 0x6, + .gpio_init.direction = 0x7, + .gpio_audio_input = { .mask = 0x7, + .tuner = 0x6, .linein = 0x2, .radio = 0x2 }, + .xceive_pin = 1, + .pci_list = cx18_pci_leadtek_dvr3100h, + .i2c = &cx18_i2c_std, +}; + +/* ------------------------------------------------------------------------- */ + +static const struct cx18_card *cx18_card_list[] = { + &cx18_card_hvr1600_esmt, + &cx18_card_hvr1600_samsung, + &cx18_card_h900, + &cx18_card_mpc718, + &cx18_card_cnxt_raptor_pal, + &cx18_card_toshiba_qosmio_dvbt, + &cx18_card_leadtek_pvr2100, + &cx18_card_leadtek_dvr3100h, + &cx18_card_gotview_dvd3, + &cx18_card_hvr1600_s5h1411 +}; + +const struct cx18_card *cx18_get_card(u16 index) +{ + if (index >= ARRAY_SIZE(cx18_card_list)) + return NULL; + return cx18_card_list[index]; +} + +int cx18_get_input(struct cx18 *cx, u16 index, struct v4l2_input *input) +{ + const struct cx18_card_video_input *card_input = + cx->card->video_inputs + index; + static const char * const input_strs[] = { + "Tuner 1", + "S-Video 1", + "S-Video 2", + "Composite 1", + "Composite 2", + "Component 1" + }; + + if (index >= cx->nof_inputs) + return -EINVAL; + input->index = index; + strlcpy(input->name, input_strs[card_input->video_type - 1], + sizeof(input->name)); + input->type = (card_input->video_type == CX18_CARD_INPUT_VID_TUNER ? + V4L2_INPUT_TYPE_TUNER : V4L2_INPUT_TYPE_CAMERA); + input->audioset = (1 << cx->nof_audio_inputs) - 1; + input->std = (input->type == V4L2_INPUT_TYPE_TUNER) ? + cx->tuner_std : V4L2_STD_ALL; + return 0; +} + +int cx18_get_audio_input(struct cx18 *cx, u16 index, struct v4l2_audio *audio) +{ + const struct cx18_card_audio_input *aud_input = + cx->card->audio_inputs + index; + static const char * const input_strs[] = { + "Tuner 1", + "Line In 1", + "Line In 2" + }; + + memset(audio, 0, sizeof(*audio)); + if (index >= cx->nof_audio_inputs) + return -EINVAL; + strlcpy(audio->name, input_strs[aud_input->audio_type - 1], + sizeof(audio->name)); + audio->index = index; + audio->capability = V4L2_AUDCAP_STEREO; + return 0; +} diff --git a/drivers/media/pci/cx18/cx18-cards.h b/drivers/media/pci/cx18/cx18-cards.h new file mode 100644 index 0000000..add7391 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-cards.h @@ -0,0 +1,157 @@ +/* + * cx18 functions to query card hardware + * + * Derived from ivtv-cards.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* hardware flags */ +#define CX18_HW_TUNER (1 << 0) +#define CX18_HW_TVEEPROM (1 << 1) +#define CX18_HW_CS5345 (1 << 2) +#define CX18_HW_DVB (1 << 3) +#define CX18_HW_418_AV (1 << 4) +#define CX18_HW_GPIO_MUX (1 << 5) +#define CX18_HW_GPIO_RESET_CTRL (1 << 6) +#define CX18_HW_Z8F0811_IR_TX_HAUP (1 << 7) +#define CX18_HW_Z8F0811_IR_RX_HAUP (1 << 8) +#define CX18_HW_Z8F0811_IR_HAUP (CX18_HW_Z8F0811_IR_RX_HAUP | \ + CX18_HW_Z8F0811_IR_TX_HAUP) + +#define CX18_HW_IR_ANY (CX18_HW_Z8F0811_IR_RX_HAUP | \ + CX18_HW_Z8F0811_IR_TX_HAUP) + +/* video inputs */ +#define CX18_CARD_INPUT_VID_TUNER 1 +#define CX18_CARD_INPUT_SVIDEO1 2 +#define CX18_CARD_INPUT_SVIDEO2 3 +#define CX18_CARD_INPUT_COMPOSITE1 4 +#define CX18_CARD_INPUT_COMPOSITE2 5 +#define CX18_CARD_INPUT_COMPONENT1 6 + +/* audio inputs */ +#define CX18_CARD_INPUT_AUD_TUNER 1 +#define CX18_CARD_INPUT_LINE_IN1 2 +#define CX18_CARD_INPUT_LINE_IN2 3 + +#define CX18_CARD_MAX_VIDEO_INPUTS 6 +#define CX18_CARD_MAX_AUDIO_INPUTS 3 +#define CX18_CARD_MAX_TUNERS 2 + +/* V4L2 capability aliases */ +#define CX18_CAP_ENCODER (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | \ + V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | \ + V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE) + +struct cx18_card_video_input { + u8 video_type; /* video input type */ + u8 audio_index; /* index in cx18_card_audio_input array */ + u32 video_input; /* hardware video input */ +}; + +struct cx18_card_audio_input { + u8 audio_type; /* audio input type */ + u32 audio_input; /* hardware audio input */ + u16 muxer_input; /* hardware muxer input for boards with a + multiplexer chip */ +}; + +struct cx18_card_pci_info { + u16 device; + u16 subsystem_vendor; + u16 subsystem_device; +}; + +/* GPIO definitions */ + +/* The mask is the set of bits used by the operation */ + +struct cx18_gpio_init { /* set initial GPIO DIR and OUT values */ + u32 direction; /* DIR setting. Leave to 0 if no init is needed */ + u32 initial_value; +}; + +struct cx18_gpio_i2c_slave_reset { + u32 active_lo_mask; /* GPIO outputs that reset i2c chips when low */ + u32 active_hi_mask; /* GPIO outputs that reset i2c chips when high */ + int msecs_asserted; /* time period reset must remain asserted */ + int msecs_recovery; /* time after deassert for chips to be ready */ + u32 ir_reset_mask; /* GPIO to reset the Zilog Z8F0811 IR contoller */ +}; + +struct cx18_gpio_audio_input { /* select tuner/line in input */ + u32 mask; /* leave to 0 if not supported */ + u32 tuner; + u32 linein; + u32 radio; +}; + +struct cx18_card_tuner { + v4l2_std_id std; /* standard for which the tuner is suitable */ + int tuner; /* tuner ID (from tuner.h) */ +}; + +struct cx18_card_tuner_i2c { + unsigned short radio[2];/* radio tuner i2c address to probe */ + unsigned short demod[3];/* demodulator i2c address to probe */ + unsigned short tv[4]; /* tv tuner i2c addresses to probe */ +}; + +struct cx18_ddr { /* DDR config data */ + u32 chip_config; + u32 refresh; + u32 timing1; + u32 timing2; + u32 tune_lane; + u32 initial_emrs; +}; + +/* for card information/parameters */ +struct cx18_card { + int type; + char *name; + char *comment; + u32 v4l2_capabilities; + u32 hw_audio_ctrl; /* hardware used for the V4L2 controls (only + 1 dev allowed currently) */ + u32 hw_muxer; /* hardware used to multiplex audio input */ + u32 hw_all; /* all hardware used by the board */ + struct cx18_card_video_input video_inputs[CX18_CARD_MAX_VIDEO_INPUTS]; + struct cx18_card_audio_input audio_inputs[CX18_CARD_MAX_AUDIO_INPUTS]; + struct cx18_card_audio_input radio_input; + + /* GPIO card-specific settings */ + u8 xceive_pin; /* XCeive tuner GPIO reset pin */ + struct cx18_gpio_init gpio_init; + struct cx18_gpio_i2c_slave_reset gpio_i2c_slave_reset; + struct cx18_gpio_audio_input gpio_audio_input; + + struct cx18_card_tuner tuners[CX18_CARD_MAX_TUNERS]; + struct cx18_card_tuner_i2c *i2c; + + struct cx18_ddr ddr; + + /* list of device and subsystem vendor/devices that + correspond to this card type. */ + const struct cx18_card_pci_info *pci_list; +}; + +int cx18_get_input(struct cx18 *cx, u16 index, struct v4l2_input *input); +int cx18_get_audio_input(struct cx18 *cx, u16 index, struct v4l2_audio *input); +const struct cx18_card *cx18_get_card(u16 index); diff --git a/drivers/media/pci/cx18/cx18-controls.c b/drivers/media/pci/cx18/cx18-controls.c new file mode 100644 index 0000000..282a3d2 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-controls.c @@ -0,0 +1,131 @@ +/* + * cx18 ioctl control functions + * + * Derived from ivtv-controls.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ +#include <linux/kernel.h> +#include <linux/slab.h> + +#include "cx18-driver.h" +#include "cx18-cards.h" +#include "cx18-ioctl.h" +#include "cx18-audio.h" +#include "cx18-mailbox.h" +#include "cx18-controls.h" + +static int cx18_s_stream_vbi_fmt(struct cx2341x_handler *cxhdl, u32 fmt) +{ + struct cx18 *cx = container_of(cxhdl, struct cx18, cxhdl); + int type = cxhdl->stream_type->val; + + if (atomic_read(&cx->ana_capturing) > 0) + return -EBUSY; + + if (fmt != V4L2_MPEG_STREAM_VBI_FMT_IVTV || + !(type == V4L2_MPEG_STREAM_TYPE_MPEG2_PS || + type == V4L2_MPEG_STREAM_TYPE_MPEG2_DVD || + type == V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD)) { + /* Only IVTV fmt VBI insertion & only MPEG-2 PS type streams */ + cx->vbi.insert_mpeg = V4L2_MPEG_STREAM_VBI_FMT_NONE; + CX18_DEBUG_INFO("disabled insertion of sliced VBI data into " + "the MPEG stream\n"); + return 0; + } + + /* Allocate sliced VBI buffers if needed. */ + if (cx->vbi.sliced_mpeg_data[0] == NULL) { + int i; + + for (i = 0; i < CX18_VBI_FRAMES; i++) { + cx->vbi.sliced_mpeg_data[i] = + kmalloc(CX18_SLICED_MPEG_DATA_BUFSZ, GFP_KERNEL); + if (cx->vbi.sliced_mpeg_data[i] == NULL) { + while (--i >= 0) { + kfree(cx->vbi.sliced_mpeg_data[i]); + cx->vbi.sliced_mpeg_data[i] = NULL; + } + cx->vbi.insert_mpeg = + V4L2_MPEG_STREAM_VBI_FMT_NONE; + CX18_WARN("Unable to allocate buffers for " + "sliced VBI data insertion\n"); + return -ENOMEM; + } + } + } + + cx->vbi.insert_mpeg = fmt; + CX18_DEBUG_INFO("enabled insertion of sliced VBI data into the MPEG PS," + "when sliced VBI is enabled\n"); + + /* + * If our current settings have no lines set for capture, store a valid, + * default set of service lines to capture, in our current settings. + */ + if (cx18_get_service_set(cx->vbi.sliced_in) == 0) { + if (cx->is_60hz) + cx->vbi.sliced_in->service_set = + V4L2_SLICED_CAPTION_525; + else + cx->vbi.sliced_in->service_set = V4L2_SLICED_WSS_625; + cx18_expand_service_set(cx->vbi.sliced_in, cx->is_50hz); + } + return 0; +} + +static int cx18_s_video_encoding(struct cx2341x_handler *cxhdl, u32 val) +{ + struct cx18 *cx = container_of(cxhdl, struct cx18, cxhdl); + int is_mpeg1 = val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1; + struct v4l2_mbus_framefmt fmt; + + /* fix videodecoder resolution */ + fmt.width = cxhdl->width / (is_mpeg1 ? 2 : 1); + fmt.height = cxhdl->height; + fmt.code = V4L2_MBUS_FMT_FIXED; + v4l2_subdev_call(cx->sd_av, video, s_mbus_fmt, &fmt); + return 0; +} + +static int cx18_s_audio_sampling_freq(struct cx2341x_handler *cxhdl, u32 idx) +{ + static const u32 freqs[3] = { 44100, 48000, 32000 }; + struct cx18 *cx = container_of(cxhdl, struct cx18, cxhdl); + + /* The audio clock of the digitizer must match the codec sample + rate otherwise you get some very strange effects. */ + if (idx < ARRAY_SIZE(freqs)) + cx18_call_all(cx, audio, s_clock_freq, freqs[idx]); + return 0; +} + +static int cx18_s_audio_mode(struct cx2341x_handler *cxhdl, u32 val) +{ + struct cx18 *cx = container_of(cxhdl, struct cx18, cxhdl); + + cx->dualwatch_stereo_mode = val; + return 0; +} + +struct cx2341x_handler_ops cx18_cxhdl_ops = { + .s_audio_mode = cx18_s_audio_mode, + .s_audio_sampling_freq = cx18_s_audio_sampling_freq, + .s_video_encoding = cx18_s_video_encoding, + .s_stream_vbi_fmt = cx18_s_stream_vbi_fmt, +}; diff --git a/drivers/media/pci/cx18/cx18-controls.h b/drivers/media/pci/cx18/cx18-controls.h new file mode 100644 index 0000000..cb5dfc7 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-controls.h @@ -0,0 +1,24 @@ +/* + * cx18 ioctl control functions + * + * Derived from ivtv-controls.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +extern struct cx2341x_handler_ops cx18_cxhdl_ops; diff --git a/drivers/media/pci/cx18/cx18-driver.c b/drivers/media/pci/cx18/cx18-driver.c new file mode 100644 index 0000000..67b61cf --- /dev/null +++ b/drivers/media/pci/cx18/cx18-driver.c @@ -0,0 +1,1360 @@ +/* + * cx18 driver initialization and card probing + * + * Derived from ivtv-driver.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-io.h" +#include "cx18-version.h" +#include "cx18-cards.h" +#include "cx18-i2c.h" +#include "cx18-irq.h" +#include "cx18-gpio.h" +#include "cx18-firmware.h" +#include "cx18-queue.h" +#include "cx18-streams.h" +#include "cx18-av-core.h" +#include "cx18-scb.h" +#include "cx18-mailbox.h" +#include "cx18-ioctl.h" +#include "cx18-controls.h" +#include "tuner-xc2028.h" +#include <linux/dma-mapping.h> +#include <media/tveeprom.h> + +/* If you have already X v4l cards, then set this to X. This way + the device numbers stay matched. Example: you have a WinTV card + without radio and a Compro H900 with. Normally this would give a + video1 device together with a radio0 device for the Compro. By + setting this to 1 you ensure that radio0 is now also radio1. */ +int cx18_first_minor; + +/* Callback for registering extensions */ +int (*cx18_ext_init)(struct cx18 *); +EXPORT_SYMBOL(cx18_ext_init); + +/* add your revision and whatnot here */ +static struct pci_device_id cx18_pci_tbl[] = { + {PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {0,} +}; + +MODULE_DEVICE_TABLE(pci, cx18_pci_tbl); + +static atomic_t cx18_instance = ATOMIC_INIT(0); + +/* Parameter declarations */ +static int cardtype[CX18_MAX_CARDS]; +static int tuner[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1 }; +static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1 }; +static unsigned cardtype_c = 1; +static unsigned tuner_c = 1; +static unsigned radio_c = 1; +static char pal[] = "--"; +static char secam[] = "--"; +static char ntsc[] = "-"; + +/* Buffers */ +static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS; +static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS; +static int enc_idx_buffers = CX18_DEFAULT_ENC_IDX_BUFFERS; +static int enc_yuv_buffers = CX18_DEFAULT_ENC_YUV_BUFFERS; +static int enc_vbi_buffers = CX18_DEFAULT_ENC_VBI_BUFFERS; +static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS; + +static int enc_ts_bufsize = CX18_DEFAULT_ENC_TS_BUFSIZE; +static int enc_mpg_bufsize = CX18_DEFAULT_ENC_MPG_BUFSIZE; +static int enc_idx_bufsize = CX18_DEFAULT_ENC_IDX_BUFSIZE; +static int enc_yuv_bufsize = CX18_DEFAULT_ENC_YUV_BUFSIZE; +static int enc_pcm_bufsize = CX18_DEFAULT_ENC_PCM_BUFSIZE; + +static int enc_ts_bufs = -1; +static int enc_mpg_bufs = -1; +static int enc_idx_bufs = CX18_MAX_FW_MDLS_PER_STREAM; +static int enc_yuv_bufs = -1; +static int enc_vbi_bufs = -1; +static int enc_pcm_bufs = -1; + + +static int cx18_pci_latency = 1; + +static int mmio_ndelay; +static int retry_mmio = 1; + +int cx18_debug; + +module_param_array(tuner, int, &tuner_c, 0644); +module_param_array(radio, int, &radio_c, 0644); +module_param_array(cardtype, int, &cardtype_c, 0644); +module_param_string(pal, pal, sizeof(pal), 0644); +module_param_string(secam, secam, sizeof(secam), 0644); +module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); +module_param_named(debug, cx18_debug, int, 0644); +module_param(mmio_ndelay, int, 0644); +module_param(retry_mmio, int, 0644); +module_param(cx18_pci_latency, int, 0644); +module_param(cx18_first_minor, int, 0644); + +module_param(enc_ts_buffers, int, 0644); +module_param(enc_mpg_buffers, int, 0644); +module_param(enc_idx_buffers, int, 0644); +module_param(enc_yuv_buffers, int, 0644); +module_param(enc_vbi_buffers, int, 0644); +module_param(enc_pcm_buffers, int, 0644); + +module_param(enc_ts_bufsize, int, 0644); +module_param(enc_mpg_bufsize, int, 0644); +module_param(enc_idx_bufsize, int, 0644); +module_param(enc_yuv_bufsize, int, 0644); +module_param(enc_pcm_bufsize, int, 0644); + +module_param(enc_ts_bufs, int, 0644); +module_param(enc_mpg_bufs, int, 0644); +module_param(enc_idx_bufs, int, 0644); +module_param(enc_yuv_bufs, int, 0644); +module_param(enc_vbi_bufs, int, 0644); +module_param(enc_pcm_bufs, int, 0644); + +MODULE_PARM_DESC(tuner, "Tuner type selection,\n" + "\t\t\tsee tuner.h for values"); +MODULE_PARM_DESC(radio, + "Enable or disable the radio. Use only if autodetection\n" + "\t\t\tfails. 0 = disable, 1 = enable"); +MODULE_PARM_DESC(cardtype, + "Only use this option if your card is not detected properly.\n" + "\t\tSpecify card type:\n" + "\t\t\t 1 = Hauppauge HVR 1600 (ESMT memory)\n" + "\t\t\t 2 = Hauppauge HVR 1600 (Samsung memory)\n" + "\t\t\t 3 = Compro VideoMate H900\n" + "\t\t\t 4 = Yuan MPC718\n" + "\t\t\t 5 = Conexant Raptor PAL/SECAM\n" + "\t\t\t 6 = Toshiba Qosmio DVB-T/Analog\n" + "\t\t\t 7 = Leadtek WinFast PVR2100\n" + "\t\t\t 8 = Leadtek WinFast DVR3100 H\n" + "\t\t\t 9 = GoTView PCI DVD3 Hybrid\n" + "\t\t\t 10 = Hauppauge HVR 1600 (S5H1411)\n" + "\t\t\t 0 = Autodetect (default)\n" + "\t\t\t-1 = Ignore this card\n\t\t"); +MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60"); +MODULE_PARM_DESC(secam, "Set SECAM standard: B, G, H, D, K, L, LC"); +MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J, K"); +MODULE_PARM_DESC(debug, + "Debug level (bitmask). Default: 0\n" + "\t\t\t 1/0x0001: warning\n" + "\t\t\t 2/0x0002: info\n" + "\t\t\t 4/0x0004: mailbox\n" + "\t\t\t 8/0x0008: dma\n" + "\t\t\t 16/0x0010: ioctl\n" + "\t\t\t 32/0x0020: file\n" + "\t\t\t 64/0x0040: i2c\n" + "\t\t\t128/0x0080: irq\n" + "\t\t\t256/0x0100: high volume\n"); +MODULE_PARM_DESC(cx18_pci_latency, + "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n" + "\t\t\tDefault: Yes"); +MODULE_PARM_DESC(retry_mmio, + "(Deprecated) MMIO writes are now always checked and retried\n" + "\t\t\tEffectively: 1 [Yes]"); +MODULE_PARM_DESC(mmio_ndelay, + "(Deprecated) MMIO accesses are now never purposely delayed\n" + "\t\t\tEffectively: 0 ns"); +MODULE_PARM_DESC(enc_ts_buffers, + "Encoder TS buffer memory (MB). (enc_ts_bufs can override)\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFFERS)); +MODULE_PARM_DESC(enc_ts_bufsize, + "Size of an encoder TS buffer (kB)\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_TS_BUFSIZE)); +MODULE_PARM_DESC(enc_ts_bufs, + "Number of encoder TS buffers\n" + "\t\t\tDefault is computed from other enc_ts_* parameters"); +MODULE_PARM_DESC(enc_mpg_buffers, + "Encoder MPG buffer memory (MB). (enc_mpg_bufs can override)\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS)); +MODULE_PARM_DESC(enc_mpg_bufsize, + "Size of an encoder MPG buffer (kB)\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFSIZE)); +MODULE_PARM_DESC(enc_mpg_bufs, + "Number of encoder MPG buffers\n" + "\t\t\tDefault is computed from other enc_mpg_* parameters"); +MODULE_PARM_DESC(enc_idx_buffers, + "(Deprecated) Encoder IDX buffer memory (MB)\n" + "\t\t\tIgnored, except 0 disables IDX buffer allocations\n" + "\t\t\tDefault: 1 [Enabled]"); +MODULE_PARM_DESC(enc_idx_bufsize, + "Size of an encoder IDX buffer (kB)\n" + "\t\t\tAllowed values are multiples of 1.5 kB rounded up\n" + "\t\t\t(multiples of size required for 64 index entries)\n" + "\t\t\tDefault: 2"); +MODULE_PARM_DESC(enc_idx_bufs, + "Number of encoder IDX buffers\n" + "\t\t\tDefault: " __stringify(CX18_MAX_FW_MDLS_PER_STREAM)); +MODULE_PARM_DESC(enc_yuv_buffers, + "Encoder YUV buffer memory (MB). (enc_yuv_bufs can override)\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFFERS)); +MODULE_PARM_DESC(enc_yuv_bufsize, + "Size of an encoder YUV buffer (kB)\n" + "\t\t\tAllowed values are multiples of 33.75 kB rounded up\n" + "\t\t\t(multiples of size required for 32 screen lines)\n" + "\t\t\tDefault: 102"); +MODULE_PARM_DESC(enc_yuv_bufs, + "Number of encoder YUV buffers\n" + "\t\t\tDefault is computed from other enc_yuv_* parameters"); +MODULE_PARM_DESC(enc_vbi_buffers, + "Encoder VBI buffer memory (MB). (enc_vbi_bufs can override)\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_VBI_BUFFERS)); +MODULE_PARM_DESC(enc_vbi_bufs, + "Number of encoder VBI buffers\n" + "\t\t\tDefault is computed from enc_vbi_buffers"); +MODULE_PARM_DESC(enc_pcm_buffers, + "Encoder PCM buffer memory (MB). (enc_pcm_bufs can override)\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFFERS)); +MODULE_PARM_DESC(enc_pcm_bufsize, + "Size of an encoder PCM buffer (kB)\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_PCM_BUFSIZE)); +MODULE_PARM_DESC(enc_pcm_bufs, + "Number of encoder PCM buffers\n" + "\t\t\tDefault is computed from other enc_pcm_* parameters"); + +MODULE_PARM_DESC(cx18_first_minor, + "Set device node number assigned to first card"); + +MODULE_AUTHOR("Hans Verkuil"); +MODULE_DESCRIPTION("CX23418 driver"); +MODULE_SUPPORTED_DEVICE("CX23418 MPEG2 encoder"); +MODULE_LICENSE("GPL"); + +MODULE_VERSION(CX18_VERSION); + +#if defined(CONFIG_MODULES) && defined(MODULE) +static void request_module_async(struct work_struct *work) +{ + struct cx18 *dev = container_of(work, struct cx18, request_module_wk); + + /* Make sure cx18-alsa module is loaded */ + request_module("cx18-alsa"); + + /* Initialize cx18-alsa for this instance of the cx18 device */ + if (cx18_ext_init != NULL) + cx18_ext_init(dev); +} + +static void request_modules(struct cx18 *dev) +{ + INIT_WORK(&dev->request_module_wk, request_module_async); + schedule_work(&dev->request_module_wk); +} + +static void flush_request_modules(struct cx18 *dev) +{ + flush_work(&dev->request_module_wk); +} +#else +#define request_modules(dev) +#define flush_request_modules(dev) +#endif /* CONFIG_MODULES */ + +/* Generic utility functions */ +int cx18_msleep_timeout(unsigned int msecs, int intr) +{ + long int timeout = msecs_to_jiffies(msecs); + int sig; + + do { + set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE); + timeout = schedule_timeout(timeout); + sig = intr ? signal_pending(current) : 0; + } while (!sig && timeout); + return sig; +} + +/* Release ioremapped memory */ +static void cx18_iounmap(struct cx18 *cx) +{ + if (cx == NULL) + return; + + /* Release io memory */ + if (cx->enc_mem != NULL) { + CX18_DEBUG_INFO("releasing enc_mem\n"); + iounmap(cx->enc_mem); + cx->enc_mem = NULL; + } +} + +static void cx18_eeprom_dump(struct cx18 *cx, unsigned char *eedata, int len) +{ + int i; + + CX18_INFO("eeprom dump:\n"); + for (i = 0; i < len; i++) { + if (0 == (i % 16)) + CX18_INFO("eeprom %02x:", i); + printk(KERN_CONT " %02x", eedata[i]); + if (15 == (i % 16)) + printk(KERN_CONT "\n"); + } +} + +/* Hauppauge card? get values from tveeprom */ +void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv) +{ + struct i2c_client c; + u8 eedata[256]; + + memset(&c, 0, sizeof(c)); + strlcpy(c.name, "cx18 tveeprom tmp", sizeof(c.name)); + c.adapter = &cx->i2c_adap[0]; + c.addr = 0xA0 >> 1; + + memset(tv, 0, sizeof(*tv)); + if (tveeprom_read(&c, eedata, sizeof(eedata))) + return; + + switch (cx->card->type) { + case CX18_CARD_HVR_1600_ESMT: + case CX18_CARD_HVR_1600_SAMSUNG: + case CX18_CARD_HVR_1600_S5H1411: + tveeprom_hauppauge_analog(&c, tv, eedata); + break; + case CX18_CARD_YUAN_MPC718: + case CX18_CARD_GOTVIEW_PCI_DVD3: + tv->model = 0x718; + cx18_eeprom_dump(cx, eedata, sizeof(eedata)); + CX18_INFO("eeprom PCI ID: %02x%02x:%02x%02x\n", + eedata[2], eedata[1], eedata[4], eedata[3]); + break; + default: + tv->model = 0xffffffff; + cx18_eeprom_dump(cx, eedata, sizeof(eedata)); + break; + } +} + +static void cx18_process_eeprom(struct cx18 *cx) +{ + struct tveeprom tv; + + cx18_read_eeprom(cx, &tv); + + /* Many thanks to Steven Toth from Hauppauge for providing the + model numbers */ + /* Note: the Samsung memory models cannot be reliably determined + from the model number. Use the cardtype module option if you + have one of these preproduction models. */ + switch (tv.model) { + case 74301: /* Retail models */ + case 74321: + case 74351: /* OEM models */ + case 74361: + /* Digital side is s5h1411/tda18271 */ + cx->card = cx18_get_card(CX18_CARD_HVR_1600_S5H1411); + break; + case 74021: /* Retail models */ + case 74031: + case 74041: + case 74141: + case 74541: /* OEM models */ + case 74551: + case 74591: + case 74651: + case 74691: + case 74751: + case 74891: + /* Digital side is s5h1409/mxl5005s */ + cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); + break; + case 0x718: + return; + case 0xffffffff: + CX18_INFO("Unknown EEPROM encoding\n"); + return; + case 0: + CX18_ERR("Invalid EEPROM\n"); + return; + default: + CX18_ERR("Unknown model %d, defaulting to original HVR-1600 " + "(cardtype=1)\n", tv.model); + cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); + break; + } + + cx->v4l2_cap = cx->card->v4l2_capabilities; + cx->card_name = cx->card->name; + cx->card_i2c = cx->card->i2c; + + CX18_INFO("Autodetected %s\n", cx->card_name); + + if (tv.tuner_type == TUNER_ABSENT) + CX18_ERR("tveeprom cannot autodetect tuner!\n"); + + if (cx->options.tuner == -1) + cx->options.tuner = tv.tuner_type; + if (cx->options.radio == -1) + cx->options.radio = (tv.has_radio != 0); + + if (cx->std != 0) + /* user specified tuner standard */ + return; + + /* autodetect tuner standard */ +#define TVEEPROM_TUNER_FORMAT_ALL (V4L2_STD_B | V4L2_STD_GH | \ + V4L2_STD_MN | \ + V4L2_STD_PAL_I | \ + V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC | \ + V4L2_STD_DK) + if ((tv.tuner_formats & TVEEPROM_TUNER_FORMAT_ALL) + == TVEEPROM_TUNER_FORMAT_ALL) { + CX18_DEBUG_INFO("Worldwide tuner detected\n"); + cx->std = V4L2_STD_ALL; + } else if (tv.tuner_formats & V4L2_STD_PAL) { + CX18_DEBUG_INFO("PAL tuner detected\n"); + cx->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H; + } else if (tv.tuner_formats & V4L2_STD_NTSC) { + CX18_DEBUG_INFO("NTSC tuner detected\n"); + cx->std |= V4L2_STD_NTSC_M; + } else if (tv.tuner_formats & V4L2_STD_SECAM) { + CX18_DEBUG_INFO("SECAM tuner detected\n"); + cx->std |= V4L2_STD_SECAM_L; + } else { + CX18_INFO("No tuner detected, default to NTSC-M\n"); + cx->std |= V4L2_STD_NTSC_M; + } +} + +static v4l2_std_id cx18_parse_std(struct cx18 *cx) +{ + switch (pal[0]) { + case '6': + return V4L2_STD_PAL_60; + case 'b': + case 'B': + case 'g': + case 'G': + return V4L2_STD_PAL_BG; + case 'h': + case 'H': + return V4L2_STD_PAL_H; + case 'n': + case 'N': + if (pal[1] == 'c' || pal[1] == 'C') + return V4L2_STD_PAL_Nc; + return V4L2_STD_PAL_N; + case 'i': + case 'I': + return V4L2_STD_PAL_I; + case 'd': + case 'D': + case 'k': + case 'K': + return V4L2_STD_PAL_DK; + case 'M': + case 'm': + return V4L2_STD_PAL_M; + case '-': + break; + default: + CX18_WARN("pal= argument not recognised\n"); + return 0; + } + + switch (secam[0]) { + case 'b': + case 'B': + case 'g': + case 'G': + case 'h': + case 'H': + return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; + case 'd': + case 'D': + case 'k': + case 'K': + return V4L2_STD_SECAM_DK; + case 'l': + case 'L': + if (secam[1] == 'C' || secam[1] == 'c') + return V4L2_STD_SECAM_LC; + return V4L2_STD_SECAM_L; + case '-': + break; + default: + CX18_WARN("secam= argument not recognised\n"); + return 0; + } + + switch (ntsc[0]) { + case 'm': + case 'M': + return V4L2_STD_NTSC_M; + case 'j': + case 'J': + return V4L2_STD_NTSC_M_JP; + case 'k': + case 'K': + return V4L2_STD_NTSC_M_KR; + case '-': + break; + default: + CX18_WARN("ntsc= argument not recognised\n"); + return 0; + } + + /* no match found */ + return 0; +} + +static void cx18_process_options(struct cx18 *cx) +{ + int i, j; + + cx->options.megabytes[CX18_ENC_STREAM_TYPE_TS] = enc_ts_buffers; + cx->options.megabytes[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers; + cx->options.megabytes[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_buffers; + cx->options.megabytes[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers; + cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers; + cx->options.megabytes[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers; + cx->options.megabytes[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control only */ + + cx->stream_buffers[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufs; + cx->stream_buffers[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufs; + cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufs; + cx->stream_buffers[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufs; + cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] = enc_vbi_bufs; + cx->stream_buffers[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufs; + cx->stream_buffers[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control, no data */ + + cx->stream_buf_size[CX18_ENC_STREAM_TYPE_TS] = enc_ts_bufsize; + cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufsize; + cx->stream_buf_size[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufsize; + cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufsize; + cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_active_samples * 36; + cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufsize; + cx->stream_buf_size[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control no data */ + + /* Ensure stream_buffers & stream_buf_size are valid */ + for (i = 0; i < CX18_MAX_STREAMS; i++) { + if (cx->stream_buffers[i] == 0 || /* User said 0 buffers */ + cx->options.megabytes[i] <= 0 || /* User said 0 MB total */ + cx->stream_buf_size[i] <= 0) { /* User said buf size 0 */ + cx->options.megabytes[i] = 0; + cx->stream_buffers[i] = 0; + cx->stream_buf_size[i] = 0; + continue; + } + /* + * YUV is a special case where the stream_buf_size needs to be + * an integral multiple of 33.75 kB (storage for 32 screens + * lines to maintain alignment in case of lost buffers). + * + * IDX is a special case where the stream_buf_size should be + * an integral multiple of 1.5 kB (storage for 64 index entries + * to maintain alignment in case of lost buffers). + * + */ + if (i == CX18_ENC_STREAM_TYPE_YUV) { + cx->stream_buf_size[i] *= 1024; + cx->stream_buf_size[i] -= + (cx->stream_buf_size[i] % CX18_UNIT_ENC_YUV_BUFSIZE); + + if (cx->stream_buf_size[i] < CX18_UNIT_ENC_YUV_BUFSIZE) + cx->stream_buf_size[i] = + CX18_UNIT_ENC_YUV_BUFSIZE; + } else if (i == CX18_ENC_STREAM_TYPE_IDX) { + cx->stream_buf_size[i] *= 1024; + cx->stream_buf_size[i] -= + (cx->stream_buf_size[i] % CX18_UNIT_ENC_IDX_BUFSIZE); + + if (cx->stream_buf_size[i] < CX18_UNIT_ENC_IDX_BUFSIZE) + cx->stream_buf_size[i] = + CX18_UNIT_ENC_IDX_BUFSIZE; + } + /* + * YUV and IDX are special cases where the stream_buf_size is + * now in bytes. + * VBI is a special case where the stream_buf_size is fixed + * and already in bytes + */ + if (i == CX18_ENC_STREAM_TYPE_VBI || + i == CX18_ENC_STREAM_TYPE_YUV || + i == CX18_ENC_STREAM_TYPE_IDX) { + if (cx->stream_buffers[i] < 0) { + cx->stream_buffers[i] = + cx->options.megabytes[i] * 1024 * 1024 + / cx->stream_buf_size[i]; + } else { + /* N.B. This might round down to 0 */ + cx->options.megabytes[i] = + cx->stream_buffers[i] + * cx->stream_buf_size[i]/(1024 * 1024); + } + } else { + /* All other streams have stream_buf_size in kB here */ + if (cx->stream_buffers[i] < 0) { + cx->stream_buffers[i] = + cx->options.megabytes[i] * 1024 + / cx->stream_buf_size[i]; + } else { + /* N.B. This might round down to 0 */ + cx->options.megabytes[i] = + cx->stream_buffers[i] + * cx->stream_buf_size[i] / 1024; + } + /* convert from kB to bytes */ + cx->stream_buf_size[i] *= 1024; + } + CX18_DEBUG_INFO("Stream type %d options: %d MB, %d buffers, " + "%d bytes\n", i, cx->options.megabytes[i], + cx->stream_buffers[i], cx->stream_buf_size[i]); + } + + cx->options.cardtype = cardtype[cx->instance]; + cx->options.tuner = tuner[cx->instance]; + cx->options.radio = radio[cx->instance]; + + cx->std = cx18_parse_std(cx); + if (cx->options.cardtype == -1) { + CX18_INFO("Ignore card\n"); + return; + } + cx->card = cx18_get_card(cx->options.cardtype - 1); + if (cx->card) + CX18_INFO("User specified %s card\n", cx->card->name); + else if (cx->options.cardtype != 0) + CX18_ERR("Unknown user specified type, trying to autodetect card\n"); + if (cx->card == NULL) { + if (cx->pci_dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) { + cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); + CX18_INFO("Autodetected Hauppauge card\n"); + } + } + if (cx->card == NULL) { + for (i = 0; (cx->card = cx18_get_card(i)); i++) { + if (cx->card->pci_list == NULL) + continue; + for (j = 0; cx->card->pci_list[j].device; j++) { + if (cx->pci_dev->device != + cx->card->pci_list[j].device) + continue; + if (cx->pci_dev->subsystem_vendor != + cx->card->pci_list[j].subsystem_vendor) + continue; + if (cx->pci_dev->subsystem_device != + cx->card->pci_list[j].subsystem_device) + continue; + CX18_INFO("Autodetected %s card\n", cx->card->name); + goto done; + } + } + } +done: + + if (cx->card == NULL) { + cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); + CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n", + cx->pci_dev->vendor, cx->pci_dev->device); + CX18_ERR(" subsystem vendor/device: [%04x:%04x]\n", + cx->pci_dev->subsystem_vendor, + cx->pci_dev->subsystem_device); + CX18_ERR("Defaulting to %s card\n", cx->card->name); + CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n"); + CX18_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n"); + CX18_ERR("Prefix your subject line with [UNKNOWN CX18 CARD].\n"); + } + cx->v4l2_cap = cx->card->v4l2_capabilities; + cx->card_name = cx->card->name; + cx->card_i2c = cx->card->i2c; +} + +static int cx18_create_in_workq(struct cx18 *cx) +{ + snprintf(cx->in_workq_name, sizeof(cx->in_workq_name), "%s-in", + cx->v4l2_dev.name); + cx->in_work_queue = alloc_ordered_workqueue(cx->in_workq_name, 0); + if (cx->in_work_queue == NULL) { + CX18_ERR("Unable to create incoming mailbox handler thread\n"); + return -ENOMEM; + } + return 0; +} + +static void cx18_init_in_work_orders(struct cx18 *cx) +{ + int i; + for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) { + cx->in_work_order[i].cx = cx; + cx->in_work_order[i].str = cx->epu_debug_str; + INIT_WORK(&cx->in_work_order[i].work, cx18_in_work_handler); + } +} + +/* Precondition: the cx18 structure has been memset to 0. Only + the dev and instance fields have been filled in. + No assumptions on the card type may be made here (see cx18_init_struct2 + for that). + */ +static int cx18_init_struct1(struct cx18 *cx) +{ + int ret; + + cx->base_addr = pci_resource_start(cx->pci_dev, 0); + + mutex_init(&cx->serialize_lock); + mutex_init(&cx->gpio_lock); + mutex_init(&cx->epu2apu_mb_lock); + mutex_init(&cx->epu2cpu_mb_lock); + + ret = cx18_create_in_workq(cx); + if (ret) + return ret; + + cx18_init_in_work_orders(cx); + + /* start counting open_id at 1 */ + cx->open_id = 1; + + /* Initial settings */ + cx->cxhdl.port = CX2341X_PORT_MEMORY; + cx->cxhdl.capabilities = CX2341X_CAP_HAS_TS | CX2341X_CAP_HAS_SLICED_VBI; + cx->cxhdl.ops = &cx18_cxhdl_ops; + cx->cxhdl.func = cx18_api_func; + cx->cxhdl.priv = &cx->streams[CX18_ENC_STREAM_TYPE_MPG]; + ret = cx2341x_handler_init(&cx->cxhdl, 50); + if (ret) + return ret; + cx->v4l2_dev.ctrl_handler = &cx->cxhdl.hdl; + + cx->temporal_strength = cx->cxhdl.video_temporal_filter->cur.val; + cx->spatial_strength = cx->cxhdl.video_spatial_filter->cur.val; + cx->filter_mode = cx->cxhdl.video_spatial_filter_mode->cur.val | + (cx->cxhdl.video_temporal_filter_mode->cur.val << 1) | + (cx->cxhdl.video_median_filter_type->cur.val << 2); + + init_waitqueue_head(&cx->cap_w); + init_waitqueue_head(&cx->mb_apu_waitq); + init_waitqueue_head(&cx->mb_cpu_waitq); + init_waitqueue_head(&cx->dma_waitq); + + /* VBI */ + cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE; + cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced; + + /* IVTV style VBI insertion into MPEG streams */ + INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_buf.list); + INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.list); + INIT_LIST_HEAD(&cx->vbi.sliced_mpeg_mdl.buf_list); + list_add(&cx->vbi.sliced_mpeg_buf.list, + &cx->vbi.sliced_mpeg_mdl.buf_list); + return 0; +} + +/* Second initialization part. Here the card type has been + autodetected. */ +static void cx18_init_struct2(struct cx18 *cx) +{ + int i; + + for (i = 0; i < CX18_CARD_MAX_VIDEO_INPUTS; i++) + if (cx->card->video_inputs[i].video_type == 0) + break; + cx->nof_inputs = i; + for (i = 0; i < CX18_CARD_MAX_AUDIO_INPUTS; i++) + if (cx->card->audio_inputs[i].audio_type == 0) + break; + cx->nof_audio_inputs = i; + + /* Find tuner input */ + for (i = 0; i < cx->nof_inputs; i++) { + if (cx->card->video_inputs[i].video_type == + CX18_CARD_INPUT_VID_TUNER) + break; + } + if (i == cx->nof_inputs) + i = 0; + cx->active_input = i; + cx->audio_input = cx->card->video_inputs[i].audio_index; +} + +static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev, + const struct pci_device_id *pci_id) +{ + u16 cmd; + unsigned char pci_latency; + + CX18_DEBUG_INFO("Enabling pci device\n"); + + if (pci_enable_device(pci_dev)) { + CX18_ERR("Can't enable device %d!\n", cx->instance); + return -EIO; + } + if (pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32))) { + CX18_ERR("No suitable DMA available, card %d\n", cx->instance); + return -EIO; + } + if (!request_mem_region(cx->base_addr, CX18_MEM_SIZE, "cx18 encoder")) { + CX18_ERR("Cannot request encoder memory region, card %d\n", + cx->instance); + return -EIO; + } + + /* Enable bus mastering and memory mapped IO for the CX23418 */ + pci_read_config_word(pci_dev, PCI_COMMAND, &cmd); + cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; + pci_write_config_word(pci_dev, PCI_COMMAND, cmd); + + cx->card_rev = pci_dev->revision; + pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency); + + if (pci_latency < 64 && cx18_pci_latency) { + CX18_INFO("Unreasonably low latency timer, " + "setting to 64 (was %d)\n", pci_latency); + pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, 64); + pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency); + } + + CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, " + "irq: %d, latency: %d, memory: 0x%llx\n", + cx->pci_dev->device, cx->card_rev, pci_dev->bus->number, + PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn), + cx->pci_dev->irq, pci_latency, (u64)cx->base_addr); + + return 0; +} + +static void cx18_init_subdevs(struct cx18 *cx) +{ + u32 hw = cx->card->hw_all; + u32 device; + int i; + + for (i = 0, device = 1; i < 32; i++, device <<= 1) { + + if (!(device & hw)) + continue; + + switch (device) { + case CX18_HW_DVB: + case CX18_HW_TVEEPROM: + /* These subordinate devices do not use probing */ + cx->hw_flags |= device; + break; + case CX18_HW_418_AV: + /* The A/V decoder gets probed earlier to set PLLs */ + /* Just note that the card uses it (i.e. has analog) */ + cx->hw_flags |= device; + break; + case CX18_HW_GPIO_RESET_CTRL: + /* + * The Reset Controller gets probed and added to + * hw_flags earlier for i2c adapter/bus initialization + */ + break; + case CX18_HW_GPIO_MUX: + if (cx18_gpio_register(cx, device) == 0) + cx->hw_flags |= device; + break; + default: + if (cx18_i2c_register(cx, i) == 0) + cx->hw_flags |= device; + break; + } + } + + if (cx->hw_flags & CX18_HW_418_AV) + cx->sd_av = cx18_find_hw(cx, CX18_HW_418_AV); + + if (cx->card->hw_muxer != 0) + cx->sd_extmux = cx18_find_hw(cx, cx->card->hw_muxer); +} + +static int cx18_probe(struct pci_dev *pci_dev, + const struct pci_device_id *pci_id) +{ + int retval = 0; + int i; + u32 devtype; + struct cx18 *cx; + + /* FIXME - module parameter arrays constrain max instances */ + i = atomic_inc_return(&cx18_instance) - 1; + if (i >= CX18_MAX_CARDS) { + printk(KERN_ERR "cx18: cannot manage card %d, driver has a " + "limit of 0 - %d\n", i, CX18_MAX_CARDS - 1); + return -ENOMEM; + } + + cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC); + if (cx == NULL) { + printk(KERN_ERR "cx18: cannot manage card %d, out of memory\n", + i); + return -ENOMEM; + } + cx->pci_dev = pci_dev; + cx->instance = i; + + retval = v4l2_device_register(&pci_dev->dev, &cx->v4l2_dev); + if (retval) { + printk(KERN_ERR "cx18: v4l2_device_register of card %d failed" + "\n", cx->instance); + kfree(cx); + return retval; + } + snprintf(cx->v4l2_dev.name, sizeof(cx->v4l2_dev.name), "cx18-%d", + cx->instance); + CX18_INFO("Initializing card %d\n", cx->instance); + + cx18_process_options(cx); + if (cx->options.cardtype == -1) { + retval = -ENODEV; + goto err; + } + + retval = cx18_init_struct1(cx); + if (retval) + goto err; + + CX18_DEBUG_INFO("base addr: 0x%llx\n", (u64)cx->base_addr); + + /* PCI Device Setup */ + retval = cx18_setup_pci(cx, pci_dev, pci_id); + if (retval != 0) + goto free_workqueues; + + /* map io memory */ + CX18_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n", + (u64)cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE); + cx->enc_mem = ioremap_nocache(cx->base_addr + CX18_MEM_OFFSET, + CX18_MEM_SIZE); + if (!cx->enc_mem) { + CX18_ERR("ioremap failed. Can't get a window into CX23418 " + "memory and register space\n"); + CX18_ERR("Each capture card with a CX23418 needs 64 MB of " + "vmalloc address space for the window\n"); + CX18_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n"); + CX18_ERR("Use the vmalloc= kernel command line option to set " + "VmallocTotal to a larger value\n"); + retval = -ENOMEM; + goto free_mem; + } + cx->reg_mem = cx->enc_mem + CX18_REG_OFFSET; + devtype = cx18_read_reg(cx, 0xC72028); + switch (devtype & 0xff000000) { + case 0xff000000: + CX18_INFO("cx23418 revision %08x (A)\n", devtype); + break; + case 0x01000000: + CX18_INFO("cx23418 revision %08x (B)\n", devtype); + break; + default: + CX18_INFO("cx23418 revision %08x (Unknown)\n", devtype); + break; + } + + cx18_init_power(cx, 1); + cx18_init_memory(cx); + + cx->scb = (struct cx18_scb __iomem *)(cx->enc_mem + SCB_OFFSET); + cx18_init_scb(cx); + + cx18_gpio_init(cx); + + /* Initialize integrated A/V decoder early to set PLLs, just in case */ + retval = cx18_av_probe(cx); + if (retval) { + CX18_ERR("Could not register A/V decoder subdevice\n"); + goto free_map; + } + + /* Initialize GPIO Reset Controller to do chip resets during i2c init */ + if (cx->card->hw_all & CX18_HW_GPIO_RESET_CTRL) { + if (cx18_gpio_register(cx, CX18_HW_GPIO_RESET_CTRL) != 0) + CX18_WARN("Could not register GPIO reset controller" + "subdevice; proceeding anyway.\n"); + else + cx->hw_flags |= CX18_HW_GPIO_RESET_CTRL; + } + + /* active i2c */ + CX18_DEBUG_INFO("activating i2c...\n"); + retval = init_cx18_i2c(cx); + if (retval) { + CX18_ERR("Could not initialize i2c\n"); + goto free_map; + } + + if (cx->card->hw_all & CX18_HW_TVEEPROM) { + /* Based on the model number the cardtype may be changed. + The PCI IDs are not always reliable. */ + const struct cx18_card *orig_card = cx->card; + cx18_process_eeprom(cx); + + if (cx->card != orig_card) { + /* Changed the cardtype; re-reset the I2C chips */ + cx18_gpio_init(cx); + cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL, + core, reset, (u32) CX18_GPIO_RESET_I2C); + } + } + if (cx->card->comment) + CX18_INFO("%s", cx->card->comment); + if (cx->card->v4l2_capabilities == 0) { + retval = -ENODEV; + goto free_i2c; + } + cx18_init_memory(cx); + cx18_init_scb(cx); + + /* Register IRQ */ + retval = request_irq(cx->pci_dev->irq, cx18_irq_handler, + IRQF_SHARED | IRQF_DISABLED, + cx->v4l2_dev.name, (void *)cx); + if (retval) { + CX18_ERR("Failed to register irq %d\n", retval); + goto free_i2c; + } + + if (cx->std == 0) + cx->std = V4L2_STD_NTSC_M; + + if (cx->options.tuner == -1) { + for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) { + if ((cx->std & cx->card->tuners[i].std) == 0) + continue; + cx->options.tuner = cx->card->tuners[i].tuner; + break; + } + } + /* if no tuner was found, then pick the first tuner in the card list */ + if (cx->options.tuner == -1 && cx->card->tuners[0].std) { + cx->std = cx->card->tuners[0].std; + if (cx->std & V4L2_STD_PAL) + cx->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H; + else if (cx->std & V4L2_STD_NTSC) + cx->std = V4L2_STD_NTSC_M; + else if (cx->std & V4L2_STD_SECAM) + cx->std = V4L2_STD_SECAM_L; + cx->options.tuner = cx->card->tuners[0].tuner; + } + if (cx->options.radio == -1) + cx->options.radio = (cx->card->radio_input.audio_type != 0); + + /* The card is now fully identified, continue with card-specific + initialization. */ + cx18_init_struct2(cx); + + cx18_init_subdevs(cx); + + if (cx->std & V4L2_STD_525_60) + cx->is_60hz = 1; + else + cx->is_50hz = 1; + + cx2341x_handler_set_50hz(&cx->cxhdl, !cx->is_60hz); + + if (cx->options.radio > 0) + cx->v4l2_cap |= V4L2_CAP_RADIO; + + if (cx->options.tuner > -1) { + struct tuner_setup setup; + + setup.addr = ADDR_UNSET; + setup.type = cx->options.tuner; + setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */ + if (cx->options.radio > 0) + setup.mode_mask |= T_RADIO; + setup.tuner_callback = (setup.type == TUNER_XC2028) ? + cx18_reset_tuner_gpio : NULL; + cx18_call_all(cx, tuner, s_type_addr, &setup); + if (setup.type == TUNER_XC2028) { + static struct xc2028_ctrl ctrl = { + .fname = XC2028_DEFAULT_FIRMWARE, + .max_len = 64, + }; + struct v4l2_priv_tun_config cfg = { + .tuner = cx->options.tuner, + .priv = &ctrl, + }; + cx18_call_all(cx, tuner, s_config, &cfg); + } + } + + /* The tuner is fixed to the standard. The other inputs (e.g. S-Video) + are not. */ + cx->tuner_std = cx->std; + if (cx->std == V4L2_STD_ALL) + cx->std = V4L2_STD_NTSC_M; + + retval = cx18_streams_setup(cx); + if (retval) { + CX18_ERR("Error %d setting up streams\n", retval); + goto free_irq; + } + retval = cx18_streams_register(cx); + if (retval) { + CX18_ERR("Error %d registering devices\n", retval); + goto free_streams; + } + + CX18_INFO("Initialized card: %s\n", cx->card_name); + + /* Load cx18 submodules (cx18-alsa) */ + request_modules(cx); + return 0; + +free_streams: + cx18_streams_cleanup(cx, 1); +free_irq: + free_irq(cx->pci_dev->irq, (void *)cx); +free_i2c: + exit_cx18_i2c(cx); +free_map: + cx18_iounmap(cx); +free_mem: + release_mem_region(cx->base_addr, CX18_MEM_SIZE); +free_workqueues: + destroy_workqueue(cx->in_work_queue); +err: + if (retval == 0) + retval = -ENODEV; + CX18_ERR("Error %d on initialization\n", retval); + + v4l2_device_unregister(&cx->v4l2_dev); + kfree(cx); + return retval; +} + +int cx18_init_on_first_open(struct cx18 *cx) +{ + int video_input; + int fw_retry_count = 3; + struct v4l2_frequency vf; + struct cx18_open_id fh; + v4l2_std_id std; + + fh.cx = cx; + + if (test_bit(CX18_F_I_FAILED, &cx->i_flags)) + return -ENXIO; + + if (test_and_set_bit(CX18_F_I_INITED, &cx->i_flags)) + return 0; + + while (--fw_retry_count > 0) { + /* load firmware */ + if (cx18_firmware_init(cx) == 0) + break; + if (fw_retry_count > 1) + CX18_WARN("Retry loading firmware\n"); + } + + if (fw_retry_count == 0) { + set_bit(CX18_F_I_FAILED, &cx->i_flags); + return -ENXIO; + } + set_bit(CX18_F_I_LOADED_FW, &cx->i_flags); + + /* + * Init the firmware twice to work around a silicon bug + * with the digital TS. + * + * The second firmware load requires us to normalize the APU state, + * or the audio for the first analog capture will be badly incorrect. + * + * I can't seem to call APU_RESETAI and have it succeed without the + * APU capturing audio, so we start and stop it here to do the reset + */ + + /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */ + cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0); + cx18_vapi(cx, CX18_APU_RESETAI, 0); + cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG); + + fw_retry_count = 3; + while (--fw_retry_count > 0) { + /* load firmware */ + if (cx18_firmware_init(cx) == 0) + break; + if (fw_retry_count > 1) + CX18_WARN("Retry loading firmware\n"); + } + + if (fw_retry_count == 0) { + set_bit(CX18_F_I_FAILED, &cx->i_flags); + return -ENXIO; + } + + /* + * The second firmware load requires us to normalize the APU state, + * or the audio for the first analog capture will be badly incorrect. + * + * I can't seem to call APU_RESETAI and have it succeed without the + * APU capturing audio, so we start and stop it here to do the reset + */ + + /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */ + cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0); + cx18_vapi(cx, CX18_APU_RESETAI, 0); + cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG); + + /* Init the A/V decoder, if it hasn't been already */ + v4l2_subdev_call(cx->sd_av, core, load_fw); + + vf.tuner = 0; + vf.type = V4L2_TUNER_ANALOG_TV; + vf.frequency = 6400; /* the tuner 'baseline' frequency */ + + /* Set initial frequency. For PAL/SECAM broadcasts no + 'default' channel exists AFAIK. */ + if (cx->std == V4L2_STD_NTSC_M_JP) + vf.frequency = 1460; /* ch. 1 91250*16/1000 */ + else if (cx->std & V4L2_STD_NTSC_M) + vf.frequency = 1076; /* ch. 4 67250*16/1000 */ + + video_input = cx->active_input; + cx->active_input++; /* Force update of input */ + cx18_s_input(NULL, &fh, video_input); + + /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code + in one place. */ + cx->std++; /* Force full standard initialization */ + std = (cx->tuner_std == V4L2_STD_ALL) ? V4L2_STD_NTSC_M : cx->tuner_std; + cx18_s_std(NULL, &fh, std); + cx18_s_frequency(NULL, &fh, &vf); + return 0; +} + +static void cx18_cancel_in_work_orders(struct cx18 *cx) +{ + int i; + for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) + cancel_work_sync(&cx->in_work_order[i].work); +} + +static void cx18_cancel_out_work_orders(struct cx18 *cx) +{ + int i; + for (i = 0; i < CX18_MAX_STREAMS; i++) + if (&cx->streams[i].video_dev != NULL) + cancel_work_sync(&cx->streams[i].out_work_order); +} + +static void cx18_remove(struct pci_dev *pci_dev) +{ + struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); + struct cx18 *cx = to_cx18(v4l2_dev); + int i; + + CX18_DEBUG_INFO("Removing Card\n"); + + flush_request_modules(cx); + + /* Stop all captures */ + CX18_DEBUG_INFO("Stopping all streams\n"); + if (atomic_read(&cx->tot_capturing) > 0) + cx18_stop_all_captures(cx); + + /* Stop interrupts that cause incoming work to be queued */ + cx18_sw1_irq_disable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); + + /* Incoming work can cause outgoing work, so clean up incoming first */ + cx18_cancel_in_work_orders(cx); + cx18_cancel_out_work_orders(cx); + + /* Stop ack interrupts that may have been needed for work to finish */ + cx18_sw2_irq_disable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); + + cx18_halt_firmware(cx); + + destroy_workqueue(cx->in_work_queue); + + cx18_streams_cleanup(cx, 1); + + exit_cx18_i2c(cx); + + free_irq(cx->pci_dev->irq, (void *)cx); + + cx18_iounmap(cx); + + release_mem_region(cx->base_addr, CX18_MEM_SIZE); + + pci_disable_device(cx->pci_dev); + + if (cx->vbi.sliced_mpeg_data[0] != NULL) + for (i = 0; i < CX18_VBI_FRAMES; i++) + kfree(cx->vbi.sliced_mpeg_data[i]); + + v4l2_ctrl_handler_free(&cx->av_state.hdl); + + CX18_INFO("Removed %s\n", cx->card_name); + + v4l2_device_unregister(v4l2_dev); + kfree(cx); +} + + +/* define a pci_driver for card detection */ +static struct pci_driver cx18_pci_driver = { + .name = "cx18", + .id_table = cx18_pci_tbl, + .probe = cx18_probe, + .remove = cx18_remove, +}; + +static int __init module_start(void) +{ + printk(KERN_INFO "cx18: Start initialization, version %s\n", + CX18_VERSION); + + /* Validate parameters */ + if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) { + printk(KERN_ERR "cx18: Exiting, cx18_first_minor must be between 0 and %d\n", + CX18_MAX_CARDS - 1); + return -1; + } + + if (cx18_debug < 0 || cx18_debug > 511) { + cx18_debug = 0; + printk(KERN_INFO "cx18: Debug value must be >= 0 and <= 511!\n"); + } + + if (pci_register_driver(&cx18_pci_driver)) { + printk(KERN_ERR "cx18: Error detecting PCI card\n"); + return -ENODEV; + } + printk(KERN_INFO "cx18: End initialization\n"); + return 0; +} + +static void __exit module_cleanup(void) +{ + pci_unregister_driver(&cx18_pci_driver); +} + +module_init(module_start); +module_exit(module_cleanup); +MODULE_FIRMWARE(XC2028_DEFAULT_FIRMWARE); diff --git a/drivers/media/pci/cx18/cx18-driver.h b/drivers/media/pci/cx18/cx18-driver.h new file mode 100644 index 0000000..2767c64 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-driver.h @@ -0,0 +1,730 @@ +/* + * cx18 driver internal defines and structures + * + * Derived from ivtv-driver.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#ifndef CX18_DRIVER_H +#define CX18_DRIVER_H + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/sched.h> +#include <linux/fs.h> +#include <linux/pci.h> +#include <linux/interrupt.h> +#include <linux/spinlock.h> +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> +#include <linux/list.h> +#include <linux/unistd.h> +#include <linux/pagemap.h> +#include <linux/workqueue.h> +#include <linux/mutex.h> +#include <linux/slab.h> +#include <asm/byteorder.h> + +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include <media/v4l2-device.h> +#include <media/v4l2-fh.h> +#include <media/tuner.h> +#include <media/ir-kbd-i2c.h> +#include "cx18-mailbox.h" +#include "cx18-av-core.h" +#include "cx23418.h" + +/* DVB */ +#include "demux.h" +#include "dmxdev.h" +#include "dvb_demux.h" +#include "dvb_frontend.h" +#include "dvb_net.h" +#include "dvbdev.h" + +/* Videobuf / YUV support */ +#include <media/videobuf-core.h> +#include <media/videobuf-vmalloc.h> + +#ifndef CONFIG_PCI +# error "This driver requires kernel PCI support." +#endif + +#define CX18_MEM_OFFSET 0x00000000 +#define CX18_MEM_SIZE 0x04000000 +#define CX18_REG_OFFSET 0x02000000 + +/* Maximum cx18 driver instances. */ +#define CX18_MAX_CARDS 32 + +/* Supported cards */ +#define CX18_CARD_HVR_1600_ESMT 0 /* Hauppauge HVR 1600 (ESMT memory) */ +#define CX18_CARD_HVR_1600_SAMSUNG 1 /* Hauppauge HVR 1600 (Samsung memory) */ +#define CX18_CARD_COMPRO_H900 2 /* Compro VideoMate H900 */ +#define CX18_CARD_YUAN_MPC718 3 /* Yuan MPC718 */ +#define CX18_CARD_CNXT_RAPTOR_PAL 4 /* Conexant Raptor PAL */ +#define CX18_CARD_TOSHIBA_QOSMIO_DVBT 5 /* Toshiba Qosmio Interal DVB-T/Analog*/ +#define CX18_CARD_LEADTEK_PVR2100 6 /* Leadtek WinFast PVR2100 */ +#define CX18_CARD_LEADTEK_DVR3100H 7 /* Leadtek WinFast DVR3100 H */ +#define CX18_CARD_GOTVIEW_PCI_DVD3 8 /* GoTView PCI DVD3 Hybrid */ +#define CX18_CARD_HVR_1600_S5H1411 9 /* Hauppauge HVR 1600 s5h1411/tda18271*/ +#define CX18_CARD_LAST 9 + +#define CX18_ENC_STREAM_TYPE_MPG 0 +#define CX18_ENC_STREAM_TYPE_TS 1 +#define CX18_ENC_STREAM_TYPE_YUV 2 +#define CX18_ENC_STREAM_TYPE_VBI 3 +#define CX18_ENC_STREAM_TYPE_PCM 4 +#define CX18_ENC_STREAM_TYPE_IDX 5 +#define CX18_ENC_STREAM_TYPE_RAD 6 +#define CX18_MAX_STREAMS 7 + +/* system vendor and device IDs */ +#define PCI_VENDOR_ID_CX 0x14f1 +#define PCI_DEVICE_ID_CX23418 0x5b7a + +/* subsystem vendor ID */ +#define CX18_PCI_ID_HAUPPAUGE 0x0070 +#define CX18_PCI_ID_COMPRO 0x185b +#define CX18_PCI_ID_YUAN 0x12ab +#define CX18_PCI_ID_CONEXANT 0x14f1 +#define CX18_PCI_ID_TOSHIBA 0x1179 +#define CX18_PCI_ID_LEADTEK 0x107D +#define CX18_PCI_ID_GOTVIEW 0x5854 + +/* ======================================================================== */ +/* ========================== START USER SETTABLE DMA VARIABLES =========== */ +/* ======================================================================== */ + +/* DMA Buffers, Default size in MB allocated */ +#define CX18_DEFAULT_ENC_TS_BUFFERS 1 +#define CX18_DEFAULT_ENC_MPG_BUFFERS 2 +#define CX18_DEFAULT_ENC_IDX_BUFFERS 1 +#define CX18_DEFAULT_ENC_YUV_BUFFERS 2 +#define CX18_DEFAULT_ENC_VBI_BUFFERS 1 +#define CX18_DEFAULT_ENC_PCM_BUFFERS 1 + +/* Maximum firmware DMA buffers per stream */ +#define CX18_MAX_FW_MDLS_PER_STREAM 63 + +/* YUV buffer sizes in bytes to ensure integer # of frames per buffer */ +#define CX18_UNIT_ENC_YUV_BUFSIZE (720 * 32 * 3 / 2) /* bytes */ +#define CX18_625_LINE_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 576/32) +#define CX18_525_LINE_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 480/32) + +/* IDX buffer size should be a multiple of the index entry size from the chip */ +struct cx18_enc_idx_entry { + __le32 length; + __le32 offset_low; + __le32 offset_high; + __le32 flags; + __le32 pts_low; + __le32 pts_high; +} __attribute__ ((packed)); +#define CX18_UNIT_ENC_IDX_BUFSIZE \ + (sizeof(struct cx18_enc_idx_entry) * V4L2_ENC_IDX_ENTRIES) + +/* DMA buffer, default size in kB allocated */ +#define CX18_DEFAULT_ENC_TS_BUFSIZE 32 +#define CX18_DEFAULT_ENC_MPG_BUFSIZE 32 +#define CX18_DEFAULT_ENC_IDX_BUFSIZE (CX18_UNIT_ENC_IDX_BUFSIZE * 1 / 1024 + 1) +#define CX18_DEFAULT_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 3 / 1024 + 1) +#define CX18_DEFAULT_ENC_PCM_BUFSIZE 4 + +/* i2c stuff */ +#define I2C_CLIENTS_MAX 16 + +/* debugging */ + +/* Flag to turn on high volume debugging */ +#define CX18_DBGFLG_WARN (1 << 0) +#define CX18_DBGFLG_INFO (1 << 1) +#define CX18_DBGFLG_API (1 << 2) +#define CX18_DBGFLG_DMA (1 << 3) +#define CX18_DBGFLG_IOCTL (1 << 4) +#define CX18_DBGFLG_FILE (1 << 5) +#define CX18_DBGFLG_I2C (1 << 6) +#define CX18_DBGFLG_IRQ (1 << 7) +/* Flag to turn on high volume debugging */ +#define CX18_DBGFLG_HIGHVOL (1 << 8) + +/* NOTE: extra space before comma in 'fmt , ## args' is required for + gcc-2.95, otherwise it won't compile. */ +#define CX18_DEBUG(x, type, fmt, args...) \ + do { \ + if ((x) & cx18_debug) \ + v4l2_info(&cx->v4l2_dev, " " type ": " fmt , ## args); \ + } while (0) +#define CX18_DEBUG_WARN(fmt, args...) CX18_DEBUG(CX18_DBGFLG_WARN, "warning", fmt , ## args) +#define CX18_DEBUG_INFO(fmt, args...) CX18_DEBUG(CX18_DBGFLG_INFO, "info", fmt , ## args) +#define CX18_DEBUG_API(fmt, args...) CX18_DEBUG(CX18_DBGFLG_API, "api", fmt , ## args) +#define CX18_DEBUG_DMA(fmt, args...) CX18_DEBUG(CX18_DBGFLG_DMA, "dma", fmt , ## args) +#define CX18_DEBUG_IOCTL(fmt, args...) CX18_DEBUG(CX18_DBGFLG_IOCTL, "ioctl", fmt , ## args) +#define CX18_DEBUG_FILE(fmt, args...) CX18_DEBUG(CX18_DBGFLG_FILE, "file", fmt , ## args) +#define CX18_DEBUG_I2C(fmt, args...) CX18_DEBUG(CX18_DBGFLG_I2C, "i2c", fmt , ## args) +#define CX18_DEBUG_IRQ(fmt, args...) CX18_DEBUG(CX18_DBGFLG_IRQ, "irq", fmt , ## args) + +#define CX18_DEBUG_HIGH_VOL(x, type, fmt, args...) \ + do { \ + if (((x) & cx18_debug) && (cx18_debug & CX18_DBGFLG_HIGHVOL)) \ + v4l2_info(&cx->v4l2_dev, " " type ": " fmt , ## args); \ + } while (0) +#define CX18_DEBUG_HI_WARN(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_WARN, "warning", fmt , ## args) +#define CX18_DEBUG_HI_INFO(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_INFO, "info", fmt , ## args) +#define CX18_DEBUG_HI_API(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_API, "api", fmt , ## args) +#define CX18_DEBUG_HI_DMA(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_DMA, "dma", fmt , ## args) +#define CX18_DEBUG_HI_IOCTL(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_IOCTL, "ioctl", fmt , ## args) +#define CX18_DEBUG_HI_FILE(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_FILE, "file", fmt , ## args) +#define CX18_DEBUG_HI_I2C(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_I2C, "i2c", fmt , ## args) +#define CX18_DEBUG_HI_IRQ(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_IRQ, "irq", fmt , ## args) + +/* Standard kernel messages */ +#define CX18_ERR(fmt, args...) v4l2_err(&cx->v4l2_dev, fmt , ## args) +#define CX18_WARN(fmt, args...) v4l2_warn(&cx->v4l2_dev, fmt , ## args) +#define CX18_INFO(fmt, args...) v4l2_info(&cx->v4l2_dev, fmt , ## args) + +/* Messages for internal subdevs to use */ +#define CX18_DEBUG_DEV(x, dev, type, fmt, args...) \ + do { \ + if ((x) & cx18_debug) \ + v4l2_info(dev, " " type ": " fmt , ## args); \ + } while (0) +#define CX18_DEBUG_WARN_DEV(dev, fmt, args...) \ + CX18_DEBUG_DEV(CX18_DBGFLG_WARN, dev, "warning", fmt , ## args) +#define CX18_DEBUG_INFO_DEV(dev, fmt, args...) \ + CX18_DEBUG_DEV(CX18_DBGFLG_INFO, dev, "info", fmt , ## args) +#define CX18_DEBUG_API_DEV(dev, fmt, args...) \ + CX18_DEBUG_DEV(CX18_DBGFLG_API, dev, "api", fmt , ## args) +#define CX18_DEBUG_DMA_DEV(dev, fmt, args...) \ + CX18_DEBUG_DEV(CX18_DBGFLG_DMA, dev, "dma", fmt , ## args) +#define CX18_DEBUG_IOCTL_DEV(dev, fmt, args...) \ + CX18_DEBUG_DEV(CX18_DBGFLG_IOCTL, dev, "ioctl", fmt , ## args) +#define CX18_DEBUG_FILE_DEV(dev, fmt, args...) \ + CX18_DEBUG_DEV(CX18_DBGFLG_FILE, dev, "file", fmt , ## args) +#define CX18_DEBUG_I2C_DEV(dev, fmt, args...) \ + CX18_DEBUG_DEV(CX18_DBGFLG_I2C, dev, "i2c", fmt , ## args) +#define CX18_DEBUG_IRQ_DEV(dev, fmt, args...) \ + CX18_DEBUG_DEV(CX18_DBGFLG_IRQ, dev, "irq", fmt , ## args) + +#define CX18_DEBUG_HIGH_VOL_DEV(x, dev, type, fmt, args...) \ + do { \ + if (((x) & cx18_debug) && (cx18_debug & CX18_DBGFLG_HIGHVOL)) \ + v4l2_info(dev, " " type ": " fmt , ## args); \ + } while (0) +#define CX18_DEBUG_HI_WARN_DEV(dev, fmt, args...) \ + CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_WARN, dev, "warning", fmt , ## args) +#define CX18_DEBUG_HI_INFO_DEV(dev, fmt, args...) \ + CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_INFO, dev, "info", fmt , ## args) +#define CX18_DEBUG_HI_API_DEV(dev, fmt, args...) \ + CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_API, dev, "api", fmt , ## args) +#define CX18_DEBUG_HI_DMA_DEV(dev, fmt, args...) \ + CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_DMA, dev, "dma", fmt , ## args) +#define CX18_DEBUG_HI_IOCTL_DEV(dev, fmt, args...) \ + CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_IOCTL, dev, "ioctl", fmt , ## args) +#define CX18_DEBUG_HI_FILE_DEV(dev, fmt, args...) \ + CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_FILE, dev, "file", fmt , ## args) +#define CX18_DEBUG_HI_I2C_DEV(dev, fmt, args...) \ + CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_I2C, dev, "i2c", fmt , ## args) +#define CX18_DEBUG_HI_IRQ_DEV(dev, fmt, args...) \ + CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_IRQ, dev, "irq", fmt , ## args) + +#define CX18_ERR_DEV(dev, fmt, args...) v4l2_err(dev, fmt , ## args) +#define CX18_WARN_DEV(dev, fmt, args...) v4l2_warn(dev, fmt , ## args) +#define CX18_INFO_DEV(dev, fmt, args...) v4l2_info(dev, fmt , ## args) + +extern int cx18_debug; + +struct cx18_options { + int megabytes[CX18_MAX_STREAMS]; /* Size in megabytes of each stream */ + int cardtype; /* force card type on load */ + int tuner; /* set tuner on load */ + int radio; /* enable/disable radio */ +}; + +/* per-mdl bit flags */ +#define CX18_F_M_NEED_SWAP 0 /* mdl buffer data must be endianess swapped */ + +/* per-stream, s_flags */ +#define CX18_F_S_CLAIMED 3 /* this stream is claimed */ +#define CX18_F_S_STREAMING 4 /* the fw is decoding/encoding this stream */ +#define CX18_F_S_INTERNAL_USE 5 /* this stream is used internally (sliced VBI processing) */ +#define CX18_F_S_STREAMOFF 7 /* signal end of stream EOS */ +#define CX18_F_S_APPL_IO 8 /* this stream is used read/written by an application */ +#define CX18_F_S_STOPPING 9 /* telling the fw to stop capturing */ + +/* per-cx18, i_flags */ +#define CX18_F_I_LOADED_FW 0 /* Loaded firmware 1st time */ +#define CX18_F_I_EOS 4 /* End of encoder stream */ +#define CX18_F_I_RADIO_USER 5 /* radio tuner is selected */ +#define CX18_F_I_ENC_PAUSED 13 /* the encoder is paused */ +#define CX18_F_I_INITED 21 /* set after first open */ +#define CX18_F_I_FAILED 22 /* set if first open failed */ + +/* These are the VBI types as they appear in the embedded VBI private packets. */ +#define CX18_SLICED_TYPE_TELETEXT_B (1) +#define CX18_SLICED_TYPE_CAPTION_525 (4) +#define CX18_SLICED_TYPE_WSS_625 (5) +#define CX18_SLICED_TYPE_VPS (7) + +/** + * list_entry_is_past_end - check if a previous loop cursor is off list end + * @pos: the type * previously used as a loop cursor. + * @head: the head for your list. + * @member: the name of the list_struct within the struct. + * + * Check if the entry's list_head is the head of the list, thus it's not a + * real entry but was the loop cursor that walked past the end + */ +#define list_entry_is_past_end(pos, head, member) \ + (&pos->member == (head)) + +struct cx18_buffer { + struct list_head list; + dma_addr_t dma_handle; + char *buf; + + u32 bytesused; + u32 readpos; +}; + +struct cx18_mdl { + struct list_head list; + u32 id; /* index into cx->scb->cpu_mdl[] of 1st cx18_mdl_ent */ + + unsigned int skipped; + unsigned long m_flags; + + struct list_head buf_list; + struct cx18_buffer *curr_buf; /* current buffer in list for reading */ + + u32 bytesused; + u32 readpos; +}; + +struct cx18_queue { + struct list_head list; + atomic_t depth; + u32 bytesused; + spinlock_t lock; +}; + +struct cx18_stream; /* forward reference */ + +struct cx18_dvb { + struct cx18_stream *stream; + struct dmx_frontend hw_frontend; + struct dmx_frontend mem_frontend; + struct dmxdev dmxdev; + struct dvb_adapter dvb_adapter; + struct dvb_demux demux; + struct dvb_frontend *fe; + struct dvb_net dvbnet; + int enabled; + int feeding; + struct mutex feedlock; +}; + +struct cx18; /* forward reference */ +struct cx18_scb; /* forward reference */ + + +#define CX18_MAX_MDL_ACKS 2 +#define CX18_MAX_IN_WORK_ORDERS (CX18_MAX_FW_MDLS_PER_STREAM + 7) +/* CPU_DE_RELEASE_MDL can burst CX18_MAX_FW_MDLS_PER_STREAM orders in a group */ + +#define CX18_F_EWO_MB_STALE_UPON_RECEIPT 0x1 +#define CX18_F_EWO_MB_STALE_WHILE_PROC 0x2 +#define CX18_F_EWO_MB_STALE \ + (CX18_F_EWO_MB_STALE_UPON_RECEIPT | CX18_F_EWO_MB_STALE_WHILE_PROC) + +struct cx18_in_work_order { + struct work_struct work; + atomic_t pending; + struct cx18 *cx; + unsigned long flags; + int rpu; + struct cx18_mailbox mb; + struct cx18_mdl_ack mdl_ack[CX18_MAX_MDL_ACKS]; + char *str; +}; + +#define CX18_INVALID_TASK_HANDLE 0xffffffff + +struct cx18_stream { + /* These first five fields are always set, even if the stream + is not actually created. */ + struct video_device *video_dev; /* NULL when stream not created */ + struct cx18_dvb *dvb; /* DVB / Digital Transport */ + struct cx18 *cx; /* for ease of use */ + const char *name; /* name of the stream */ + int type; /* stream type */ + u32 handle; /* task handle */ + unsigned int mdl_base_idx; + + u32 id; + unsigned long s_flags; /* status flags, see above */ + int dma; /* can be PCI_DMA_TODEVICE, + PCI_DMA_FROMDEVICE or + PCI_DMA_NONE */ + wait_queue_head_t waitq; + + /* Buffers */ + struct list_head buf_pool; /* buffers not attached to an MDL */ + u32 buffers; /* total buffers owned by this stream */ + u32 buf_size; /* size in bytes of a single buffer */ + + /* MDL sizes - all stream MDLs are the same size */ + u32 bufs_per_mdl; + u32 mdl_size; /* total bytes in all buffers in a mdl */ + + /* MDL Queues */ + struct cx18_queue q_free; /* free - in rotation, not committed */ + struct cx18_queue q_busy; /* busy - in use by firmware */ + struct cx18_queue q_full; /* full - data for user apps */ + struct cx18_queue q_idle; /* idle - not in rotation */ + + struct work_struct out_work_order; + + /* Videobuf for YUV video */ + u32 pixelformat; + u32 vb_bytes_per_frame; + struct list_head vb_capture; /* video capture queue */ + spinlock_t vb_lock; + struct timer_list vb_timeout; + + struct videobuf_queue vbuf_q; + spinlock_t vbuf_q_lock; /* Protect vbuf_q */ + enum v4l2_buf_type vb_type; +}; + +struct cx18_videobuf_buffer { + /* Common video buffer sub-system struct */ + struct videobuf_buffer vb; + v4l2_std_id tvnorm; /* selected tv norm */ + u32 bytes_used; +}; + +struct cx18_open_id { + struct v4l2_fh fh; + u32 open_id; + int type; + struct cx18 *cx; +}; + +static inline struct cx18_open_id *fh2id(struct v4l2_fh *fh) +{ + return container_of(fh, struct cx18_open_id, fh); +} + +static inline struct cx18_open_id *file2id(struct file *file) +{ + return fh2id(file->private_data); +} + +/* forward declaration of struct defined in cx18-cards.h */ +struct cx18_card; + +/* + * A note about "sliced" VBI data as implemented in this driver: + * + * Currently we collect the sliced VBI in the form of Ancillary Data + * packets, inserted by the AV core decoder/digitizer/slicer in the + * horizontal blanking region of the VBI lines, in "raw" mode as far as + * the Encoder is concerned. We don't ever tell the Encoder itself + * to provide sliced VBI. (AV Core: sliced mode - Encoder: raw mode) + * + * We then process the ancillary data ourselves to send the sliced data + * to the user application directly or build up MPEG-2 private stream 1 + * packets to splice into (only!) MPEG-2 PS streams for the user app. + * + * (That's how ivtv essentially does it.) + * + * The Encoder should be able to extract certain sliced VBI data for + * us and provide it in a separate stream or splice it into any type of + * MPEG PS or TS stream, but this isn't implemented yet. + */ + +/* + * Number of "raw" VBI samples per horizontal line we tell the Encoder to + * grab from the decoder/digitizer/slicer output for raw or sliced VBI. + * It depends on the pixel clock and the horiz rate: + * + * (1/Fh)*(2*Fp) = Samples/line + * = 4 bytes EAV + Anc data in hblank + 4 bytes SAV + active samples + * + * Sliced VBI data is sent as ancillary data during horizontal blanking + * Raw VBI is sent as active video samples during vertcal blanking + * + * We use a BT.656 pxiel clock of 13.5 MHz and a BT.656 active line + * length of 720 pixels @ 4:2:2 sampling. Thus... + * + * For systems that use a 15.734 kHz horizontal rate, such as + * NTSC-M, PAL-M, PAL-60, and other 60 Hz/525 line systems, we have: + * + * (1/15.734 kHz) * 2 * 13.5 MHz = 1716 samples/line = + * 4 bytes SAV + 268 bytes anc data + 4 bytes SAV + 1440 active samples + * + * For systems that use a 15.625 kHz horizontal rate, such as + * PAL-B/G/H, PAL-I, SECAM-L and other 50 Hz/625 line systems, we have: + * + * (1/15.625 kHz) * 2 * 13.5 MHz = 1728 samples/line = + * 4 bytes SAV + 280 bytes anc data + 4 bytes SAV + 1440 active samples + */ +static const u32 vbi_active_samples = 1444; /* 4 byte SAV + 720 Y + 720 U/V */ +static const u32 vbi_hblank_samples_60Hz = 272; /* 4 byte EAV + 268 anc/fill */ +static const u32 vbi_hblank_samples_50Hz = 284; /* 4 byte EAV + 280 anc/fill */ + +#define CX18_VBI_FRAMES 32 + +struct vbi_info { + /* Current state of v4l2 VBI settings for this device */ + struct v4l2_format in; + struct v4l2_sliced_vbi_format *sliced_in; /* pointer to in.fmt.sliced */ + u32 count; /* Count of VBI data lines: 60 Hz: 12 or 50 Hz: 18 */ + u32 start[2]; /* First VBI data line per field: 10 & 273 or 6 & 318 */ + + u32 frame; /* Count of VBI buffers/frames received from Encoder */ + + /* + * Vars for creation and insertion of MPEG Private Stream 1 packets + * of sliced VBI data into an MPEG PS + */ + + /* Boolean: create and insert Private Stream 1 packets into the PS */ + int insert_mpeg; + + /* + * Buffer for the maximum of 2 * 18 * packet_size sliced VBI lines. + * Used in cx18-vbi.c only for collecting sliced data, and as a source + * during conversion of sliced VBI data into MPEG Priv Stream 1 packets. + * We don't need to save state here, but the array may have been a bit + * too big (2304 bytes) to alloc from the stack. + */ + struct v4l2_sliced_vbi_data sliced_data[36]; + + /* + * A ring buffer of driver-generated MPEG-2 PS + * Program Pack/Private Stream 1 packets for sliced VBI data insertion + * into the MPEG PS stream. + * + * In each sliced_mpeg_data[] buffer is: + * 16 byte MPEG-2 PS Program Pack Header + * 16 byte MPEG-2 Private Stream 1 PES Header + * 4 byte magic number: "itv0" or "ITV0" + * 4 byte first field line mask, if "itv0" + * 4 byte second field line mask, if "itv0" + * 36 lines, if "ITV0"; or <36 lines, if "itv0"; of sliced VBI data + * + * Each line in the payload is + * 1 byte line header derived from the SDID (WSS, CC, VPS, etc.) + * 42 bytes of line data + * + * That's a maximum 1552 bytes of payload in the Private Stream 1 packet + * which is the payload size a PVR-350 (CX23415) MPEG decoder will + * accept for VBI data. So, including the headers, it's a maximum 1584 + * bytes total. + */ +#define CX18_SLICED_MPEG_DATA_MAXSZ 1584 + /* copy_vbi_buf() needs 8 temp bytes on the end for the worst case */ +#define CX18_SLICED_MPEG_DATA_BUFSZ (CX18_SLICED_MPEG_DATA_MAXSZ+8) + u8 *sliced_mpeg_data[CX18_VBI_FRAMES]; + u32 sliced_mpeg_size[CX18_VBI_FRAMES]; + + /* Count of Program Pack/Program Stream 1 packets inserted into PS */ + u32 inserted_frame; + + /* + * A dummy driver stream transfer mdl & buffer with a copy of the next + * sliced_mpeg_data[] buffer for output to userland apps. + * Only used in cx18-fileops.c, but its state needs to persist at times. + */ + struct cx18_mdl sliced_mpeg_mdl; + struct cx18_buffer sliced_mpeg_buf; +}; + +/* Per cx23418, per I2C bus private algo callback data */ +struct cx18_i2c_algo_callback_data { + struct cx18 *cx; + int bus_index; /* 0 or 1 for the cx23418's 1st or 2nd I2C bus */ +}; + +#define CX18_MAX_MMIO_WR_RETRIES 10 + +/* Struct to hold info about cx18 cards */ +struct cx18 { + int instance; + struct pci_dev *pci_dev; + struct v4l2_device v4l2_dev; + struct v4l2_subdev *sd_av; /* A/V decoder/digitizer sub-device */ + struct v4l2_subdev *sd_extmux; /* External multiplexer sub-dev */ + + const struct cx18_card *card; /* card information */ + const char *card_name; /* full name of the card */ + const struct cx18_card_tuner_i2c *card_i2c; /* i2c addresses to probe for tuner */ + u8 is_50hz; + u8 is_60hz; + u8 nof_inputs; /* number of video inputs */ + u8 nof_audio_inputs; /* number of audio inputs */ + u32 v4l2_cap; /* V4L2 capabilities of card */ + u32 hw_flags; /* Hardware description of the board */ + unsigned int free_mdl_idx; + struct cx18_scb __iomem *scb; /* pointer to SCB */ + struct mutex epu2apu_mb_lock; /* protect driver to chip mailbox in SCB*/ + struct mutex epu2cpu_mb_lock; /* protect driver to chip mailbox in SCB*/ + + struct cx18_av_state av_state; + + /* codec settings */ + struct cx2341x_handler cxhdl; + u32 filter_mode; + u32 temporal_strength; + u32 spatial_strength; + + /* dualwatch */ + unsigned long dualwatch_jiffies; + u32 dualwatch_stereo_mode; + + struct mutex serialize_lock; /* mutex used to serialize open/close/start/stop/ioctl operations */ + struct cx18_options options; /* User options */ + int stream_buffers[CX18_MAX_STREAMS]; /* # of buffers for each stream */ + int stream_buf_size[CX18_MAX_STREAMS]; /* Stream buffer size */ + struct cx18_stream streams[CX18_MAX_STREAMS]; /* Stream data */ + struct snd_cx18_card *alsa; /* ALSA interface for PCM capture stream */ + void (*pcm_announce_callback)(struct snd_cx18_card *card, u8 *pcm_data, + size_t num_bytes); + + unsigned long i_flags; /* global cx18 flags */ + atomic_t ana_capturing; /* count number of active analog capture streams */ + atomic_t tot_capturing; /* total count number of active capture streams */ + int search_pack_header; + + int open_id; /* incremented each time an open occurs, used as + unique ID. Starts at 1, so 0 can be used as + uninitialized value in the stream->id. */ + + resource_size_t base_addr; + + u8 card_rev; + void __iomem *enc_mem, *reg_mem; + + struct vbi_info vbi; + + u64 mpg_data_received; + u64 vbi_data_inserted; + + wait_queue_head_t mb_apu_waitq; + wait_queue_head_t mb_cpu_waitq; + wait_queue_head_t cap_w; + /* when the current DMA is finished this queue is woken up */ + wait_queue_head_t dma_waitq; + + u32 sw1_irq_mask; + u32 sw2_irq_mask; + u32 hw2_irq_mask; + + struct workqueue_struct *in_work_queue; + char in_workq_name[11]; /* "cx18-NN-in" */ + struct cx18_in_work_order in_work_order[CX18_MAX_IN_WORK_ORDERS]; + char epu_debug_str[256]; /* CX18_EPU_DEBUG is rare: use shared space */ + + /* i2c */ + struct i2c_adapter i2c_adap[2]; + struct i2c_algo_bit_data i2c_algo[2]; + struct cx18_i2c_algo_callback_data i2c_algo_cb_data[2]; + + struct IR_i2c_init_data ir_i2c_init_data; + + /* gpio */ + u32 gpio_dir; + u32 gpio_val; + struct mutex gpio_lock; + struct v4l2_subdev sd_gpiomux; + struct v4l2_subdev sd_resetctrl; + + /* v4l2 and User settings */ + + /* codec settings */ + u32 audio_input; + u32 active_input; + v4l2_std_id std; + v4l2_std_id tuner_std; /* The norm of the tuner (fixed) */ + + /* Used for cx18-alsa module loading */ + struct work_struct request_module_wk; +}; + +static inline struct cx18 *to_cx18(struct v4l2_device *v4l2_dev) +{ + return container_of(v4l2_dev, struct cx18, v4l2_dev); +} + +/* cx18 extensions to be loaded */ +extern int (*cx18_ext_init)(struct cx18 *); + +/* Globals */ +extern int cx18_first_minor; + +/*==============Prototypes==================*/ + +/* Return non-zero if a signal is pending */ +int cx18_msleep_timeout(unsigned int msecs, int intr); + +/* Read Hauppauge eeprom */ +struct tveeprom; /* forward reference */ +void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv); + +/* First-open initialization: load firmware, etc. */ +int cx18_init_on_first_open(struct cx18 *cx); + +/* Test if the current VBI mode is raw (1) or sliced (0) */ +static inline int cx18_raw_vbi(const struct cx18 *cx) +{ + return cx->vbi.in.type == V4L2_BUF_TYPE_VBI_CAPTURE; +} + +/* Call the specified callback for all subdevs with a grp_id bit matching the + * mask in hw (if 0, then match them all). Ignore any errors. */ +#define cx18_call_hw(cx, hw, o, f, args...) \ + do { \ + struct v4l2_subdev *__sd; \ + __v4l2_device_call_subdevs_p(&(cx)->v4l2_dev, __sd, \ + !(hw) || (__sd->grp_id & (hw)), o, f , ##args); \ + } while (0) + +#define cx18_call_all(cx, o, f, args...) cx18_call_hw(cx, 0, o, f , ##args) + +/* Call the specified callback for all subdevs with a grp_id bit matching the + * mask in hw (if 0, then match them all). If the callback returns an error + * other than 0 or -ENOIOCTLCMD, then return with that error code. */ +#define cx18_call_hw_err(cx, hw, o, f, args...) \ +({ \ + struct v4l2_subdev *__sd; \ + __v4l2_device_call_subdevs_until_err_p(&(cx)->v4l2_dev, \ + __sd, !(hw) || (__sd->grp_id & (hw)), o, f, \ + ##args); \ +}) + +#define cx18_call_all_err(cx, o, f, args...) \ + cx18_call_hw_err(cx, 0, o, f , ##args) + +#endif /* CX18_DRIVER_H */ diff --git a/drivers/media/pci/cx18/cx18-dvb.c b/drivers/media/pci/cx18/cx18-dvb.c new file mode 100644 index 0000000..3eac59c --- /dev/null +++ b/drivers/media/pci/cx18/cx18-dvb.c @@ -0,0 +1,609 @@ +/* + * cx18 functions for DVB support + * + * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx18-version.h" +#include "cx18-dvb.h" +#include "cx18-io.h" +#include "cx18-queue.h" +#include "cx18-streams.h" +#include "cx18-cards.h" +#include "cx18-gpio.h" +#include "s5h1409.h" +#include "mxl5005s.h" +#include "s5h1411.h" +#include "tda18271.h" +#include "zl10353.h" + +#include <linux/firmware.h> +#include "mt352.h" +#include "mt352_priv.h" +#include "tuner-xc2028.h" + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +#define FWFILE "dvb-cx18-mpc718-mt352.fw" + +#define CX18_REG_DMUX_NUM_PORT_0_CONTROL 0xd5a000 +#define CX18_CLOCK_ENABLE2 0xc71024 +#define CX18_DMUX_CLK_MASK 0x0080 + +/* + * CX18_CARD_HVR_1600_ESMT + * CX18_CARD_HVR_1600_SAMSUNG + */ + +static struct mxl5005s_config hauppauge_hvr1600_tuner = { + .i2c_address = 0xC6 >> 1, + .if_freq = IF_FREQ_5380000HZ, + .xtal_freq = CRYSTAL_FREQ_16000000HZ, + .agc_mode = MXL_SINGLE_AGC, + .tracking_filter = MXL_TF_C_H, + .rssi_enable = MXL_RSSI_ENABLE, + .cap_select = MXL_CAP_SEL_ENABLE, + .div_out = MXL_DIV_OUT_4, + .clock_out = MXL_CLOCK_OUT_DISABLE, + .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM, + .top = MXL5005S_TOP_25P2, + .mod_mode = MXL_DIGITAL_MODE, + .if_mode = MXL_ZERO_IF, + .qam_gain = 0x02, + .AgcMasterByte = 0x00, +}; + +static struct s5h1409_config hauppauge_hvr1600_config = { + .demod_address = 0x32 >> 1, + .output_mode = S5H1409_SERIAL_OUTPUT, + .gpio = S5H1409_GPIO_ON, + .qam_if = 44000, + .inversion = S5H1409_INVERSION_OFF, + .status_mode = S5H1409_DEMODLOCKING, + .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK, + .hvr1600_opt = S5H1409_HVR1600_OPTIMIZE +}; + +/* + * CX18_CARD_HVR_1600_S5H1411 + */ +static struct s5h1411_config hcw_s5h1411_config = { + .output_mode = S5H1411_SERIAL_OUTPUT, + .gpio = S5H1411_GPIO_OFF, + .vsb_if = S5H1411_IF_44000, + .qam_if = S5H1411_IF_4000, + .inversion = S5H1411_INVERSION_ON, + .status_mode = S5H1411_DEMODLOCKING, + .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK, +}; + +static struct tda18271_std_map hauppauge_tda18271_std_map = { + .atsc_6 = { .if_freq = 5380, .agc_mode = 3, .std = 3, + .if_lvl = 6, .rfagc_top = 0x37 }, + .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 0, + .if_lvl = 6, .rfagc_top = 0x37 }, +}; + +static struct tda18271_config hauppauge_tda18271_config = { + .std_map = &hauppauge_tda18271_std_map, + .gate = TDA18271_GATE_DIGITAL, + .output_opt = TDA18271_OUTPUT_LT_OFF, +}; + +/* + * CX18_CARD_LEADTEK_DVR3100H + */ +/* Information/confirmation of proper config values provided by Terry Wu */ +static struct zl10353_config leadtek_dvr3100h_demod = { + .demod_address = 0x1e >> 1, /* Datasheet suggested straps */ + .if2 = 45600, /* 4.560 MHz IF from the XC3028 */ + .parallel_ts = 1, /* Not a serial TS */ + .no_tuner = 1, /* XC3028 is not behind the gate */ + .disable_i2c_gate_ctrl = 1, /* Disable the I2C gate */ +}; + +/* + * CX18_CARD_YUAN_MPC718 + */ +/* + * Due to + * + * 1. an absence of information on how to prgram the MT352 + * 2. the Linux mt352 module pushing MT352 initialzation off onto us here + * + * We have to use an init sequence that *you* must extract from the Windows + * driver (yuanrap.sys) and which we load as a firmware. + * + * If someone can provide me with a Zarlink MT352 (Intel CE6352?) Design Manual + * with chip programming details, then I can remove this annoyance. + */ +static int yuan_mpc718_mt352_reqfw(struct cx18_stream *stream, + const struct firmware **fw) +{ + struct cx18 *cx = stream->cx; + const char *fn = FWFILE; + int ret; + + ret = request_firmware(fw, fn, &cx->pci_dev->dev); + if (ret) + CX18_ERR("Unable to open firmware file %s\n", fn); + else { + size_t sz = (*fw)->size; + if (sz < 2 || sz > 64 || (sz % 2) != 0) { + CX18_ERR("Firmware %s has a bad size: %lu bytes\n", + fn, (unsigned long) sz); + ret = -EILSEQ; + release_firmware(*fw); + *fw = NULL; + } + } + + if (ret) { + CX18_ERR("The MPC718 board variant with the MT352 DVB-T" + "demodualtor will not work without it\n"); + CX18_ERR("Run 'linux/Documentation/dvb/get_dvb_firmware " + "mpc718' if you need the firmware\n"); + } + return ret; +} + +static int yuan_mpc718_mt352_init(struct dvb_frontend *fe) +{ + struct cx18_dvb *dvb = container_of(fe->dvb, + struct cx18_dvb, dvb_adapter); + struct cx18_stream *stream = dvb->stream; + const struct firmware *fw = NULL; + int ret; + int i; + u8 buf[3]; + + ret = yuan_mpc718_mt352_reqfw(stream, &fw); + if (ret) + return ret; + + /* Loop through all the register-value pairs in the firmware file */ + for (i = 0; i < fw->size; i += 2) { + buf[0] = fw->data[i]; + /* Intercept a few registers we want to set ourselves */ + switch (buf[0]) { + case TRL_NOMINAL_RATE_0: + /* Set our custom OFDM bandwidth in the case below */ + break; + case TRL_NOMINAL_RATE_1: + /* 6 MHz: 64/7 * 6/8 / 20.48 * 2^16 = 0x55b6.db6 */ + /* 7 MHz: 64/7 * 7/8 / 20.48 * 2^16 = 0x6400 */ + /* 8 MHz: 64/7 * 8/8 / 20.48 * 2^16 = 0x7249.249 */ + buf[1] = 0x72; + buf[2] = 0x49; + mt352_write(fe, buf, 3); + break; + case INPUT_FREQ_0: + /* Set our custom IF in the case below */ + break; + case INPUT_FREQ_1: + /* 4.56 MHz IF: (20.48 - 4.56)/20.48 * 2^14 = 0x31c0 */ + buf[1] = 0x31; + buf[2] = 0xc0; + mt352_write(fe, buf, 3); + break; + default: + /* Pass through the register-value pair from the fw */ + buf[1] = fw->data[i+1]; + mt352_write(fe, buf, 2); + break; + } + } + + buf[0] = (u8) TUNER_GO; + buf[1] = 0x01; /* Go */ + mt352_write(fe, buf, 2); + release_firmware(fw); + return 0; +} + +static struct mt352_config yuan_mpc718_mt352_demod = { + .demod_address = 0x1e >> 1, + .adc_clock = 20480, /* 20.480 MHz */ + .if2 = 4560, /* 4.560 MHz */ + .no_tuner = 1, /* XC3028 is not behind the gate */ + .demod_init = yuan_mpc718_mt352_init, +}; + +static struct zl10353_config yuan_mpc718_zl10353_demod = { + .demod_address = 0x1e >> 1, /* Datasheet suggested straps */ + .if2 = 45600, /* 4.560 MHz IF from the XC3028 */ + .parallel_ts = 1, /* Not a serial TS */ + .no_tuner = 1, /* XC3028 is not behind the gate */ + .disable_i2c_gate_ctrl = 1, /* Disable the I2C gate */ +}; + +static struct zl10353_config gotview_dvd3_zl10353_demod = { + .demod_address = 0x1e >> 1, /* Datasheet suggested straps */ + .if2 = 45600, /* 4.560 MHz IF from the XC3028 */ + .parallel_ts = 1, /* Not a serial TS */ + .no_tuner = 1, /* XC3028 is not behind the gate */ + .disable_i2c_gate_ctrl = 1, /* Disable the I2C gate */ +}; + +static int dvb_register(struct cx18_stream *stream); + +/* Kernel DVB framework calls this when the feed needs to start. + * The CX18 framework should enable the transport DMA handling + * and queue processing. + */ +static int cx18_dvb_start_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct cx18_stream *stream = (struct cx18_stream *) demux->priv; + struct cx18 *cx; + int ret; + u32 v; + + if (!stream) + return -EINVAL; + + cx = stream->cx; + CX18_DEBUG_INFO("Start feed: pid = 0x%x index = %d\n", + feed->pid, feed->index); + + mutex_lock(&cx->serialize_lock); + ret = cx18_init_on_first_open(cx); + mutex_unlock(&cx->serialize_lock); + if (ret) { + CX18_ERR("Failed to initialize firmware starting DVB feed\n"); + return ret; + } + ret = -EINVAL; + + switch (cx->card->type) { + case CX18_CARD_HVR_1600_ESMT: + case CX18_CARD_HVR_1600_SAMSUNG: + case CX18_CARD_HVR_1600_S5H1411: + v = cx18_read_reg(cx, CX18_REG_DMUX_NUM_PORT_0_CONTROL); + v |= 0x00400000; /* Serial Mode */ + v |= 0x00002000; /* Data Length - Byte */ + v |= 0x00010000; /* Error - Polarity */ + v |= 0x00020000; /* Error - Passthru */ + v |= 0x000c0000; /* Error - Ignore */ + cx18_write_reg(cx, v, CX18_REG_DMUX_NUM_PORT_0_CONTROL); + break; + + case CX18_CARD_LEADTEK_DVR3100H: + case CX18_CARD_YUAN_MPC718: + case CX18_CARD_GOTVIEW_PCI_DVD3: + default: + /* Assumption - Parallel transport - Signalling + * undefined or default. + */ + break; + } + + if (!demux->dmx.frontend) + return -EINVAL; + + mutex_lock(&stream->dvb->feedlock); + if (stream->dvb->feeding++ == 0) { + CX18_DEBUG_INFO("Starting Transport DMA\n"); + mutex_lock(&cx->serialize_lock); + set_bit(CX18_F_S_STREAMING, &stream->s_flags); + ret = cx18_start_v4l2_encode_stream(stream); + if (ret < 0) { + CX18_DEBUG_INFO("Failed to start Transport DMA\n"); + stream->dvb->feeding--; + if (stream->dvb->feeding == 0) + clear_bit(CX18_F_S_STREAMING, &stream->s_flags); + } + mutex_unlock(&cx->serialize_lock); + } else + ret = 0; + mutex_unlock(&stream->dvb->feedlock); + + return ret; +} + +/* Kernel DVB framework calls this when the feed needs to stop. */ +static int cx18_dvb_stop_feed(struct dvb_demux_feed *feed) +{ + struct dvb_demux *demux = feed->demux; + struct cx18_stream *stream = (struct cx18_stream *)demux->priv; + struct cx18 *cx; + int ret = -EINVAL; + + if (stream) { + cx = stream->cx; + CX18_DEBUG_INFO("Stop feed: pid = 0x%x index = %d\n", + feed->pid, feed->index); + + mutex_lock(&stream->dvb->feedlock); + if (--stream->dvb->feeding == 0) { + CX18_DEBUG_INFO("Stopping Transport DMA\n"); + mutex_lock(&cx->serialize_lock); + ret = cx18_stop_v4l2_encode_stream(stream, 0); + mutex_unlock(&cx->serialize_lock); + } else + ret = 0; + mutex_unlock(&stream->dvb->feedlock); + } + + return ret; +} + +int cx18_dvb_register(struct cx18_stream *stream) +{ + struct cx18 *cx = stream->cx; + struct cx18_dvb *dvb = stream->dvb; + struct dvb_adapter *dvb_adapter; + struct dvb_demux *dvbdemux; + struct dmx_demux *dmx; + int ret; + + if (!dvb) + return -EINVAL; + + dvb->enabled = 0; + dvb->stream = stream; + + ret = dvb_register_adapter(&dvb->dvb_adapter, + CX18_DRIVER_NAME, + THIS_MODULE, &cx->pci_dev->dev, adapter_nr); + if (ret < 0) + goto err_out; + + dvb_adapter = &dvb->dvb_adapter; + + dvbdemux = &dvb->demux; + + dvbdemux->priv = (void *)stream; + + dvbdemux->filternum = 256; + dvbdemux->feednum = 256; + dvbdemux->start_feed = cx18_dvb_start_feed; + dvbdemux->stop_feed = cx18_dvb_stop_feed; + dvbdemux->dmx.capabilities = (DMX_TS_FILTERING | + DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING); + ret = dvb_dmx_init(dvbdemux); + if (ret < 0) + goto err_dvb_unregister_adapter; + + dmx = &dvbdemux->dmx; + + dvb->hw_frontend.source = DMX_FRONTEND_0; + dvb->mem_frontend.source = DMX_MEMORY_FE; + dvb->dmxdev.filternum = 256; + dvb->dmxdev.demux = dmx; + + ret = dvb_dmxdev_init(&dvb->dmxdev, dvb_adapter); + if (ret < 0) + goto err_dvb_dmx_release; + + ret = dmx->add_frontend(dmx, &dvb->hw_frontend); + if (ret < 0) + goto err_dvb_dmxdev_release; + + ret = dmx->add_frontend(dmx, &dvb->mem_frontend); + if (ret < 0) + goto err_remove_hw_frontend; + + ret = dmx->connect_frontend(dmx, &dvb->hw_frontend); + if (ret < 0) + goto err_remove_mem_frontend; + + ret = dvb_register(stream); + if (ret < 0) + goto err_disconnect_frontend; + + dvb_net_init(dvb_adapter, &dvb->dvbnet, dmx); + + CX18_INFO("DVB Frontend registered\n"); + CX18_INFO("Registered DVB adapter%d for %s (%d x %d.%02d kB)\n", + stream->dvb->dvb_adapter.num, stream->name, + stream->buffers, stream->buf_size/1024, + (stream->buf_size * 100 / 1024) % 100); + + mutex_init(&dvb->feedlock); + dvb->enabled = 1; + return ret; + +err_disconnect_frontend: + dmx->disconnect_frontend(dmx); +err_remove_mem_frontend: + dmx->remove_frontend(dmx, &dvb->mem_frontend); +err_remove_hw_frontend: + dmx->remove_frontend(dmx, &dvb->hw_frontend); +err_dvb_dmxdev_release: + dvb_dmxdev_release(&dvb->dmxdev); +err_dvb_dmx_release: + dvb_dmx_release(dvbdemux); +err_dvb_unregister_adapter: + dvb_unregister_adapter(dvb_adapter); +err_out: + return ret; +} + +void cx18_dvb_unregister(struct cx18_stream *stream) +{ + struct cx18 *cx = stream->cx; + struct cx18_dvb *dvb = stream->dvb; + struct dvb_adapter *dvb_adapter; + struct dvb_demux *dvbdemux; + struct dmx_demux *dmx; + + CX18_INFO("unregister DVB\n"); + + if (dvb == NULL || !dvb->enabled) + return; + + dvb_adapter = &dvb->dvb_adapter; + dvbdemux = &dvb->demux; + dmx = &dvbdemux->dmx; + + dmx->close(dmx); + dvb_net_release(&dvb->dvbnet); + dmx->remove_frontend(dmx, &dvb->mem_frontend); + dmx->remove_frontend(dmx, &dvb->hw_frontend); + dvb_dmxdev_release(&dvb->dmxdev); + dvb_dmx_release(dvbdemux); + dvb_unregister_frontend(dvb->fe); + dvb_frontend_detach(dvb->fe); + dvb_unregister_adapter(dvb_adapter); +} + +/* All the DVB attach calls go here, this function get's modified + * for each new card. cx18_dvb_start_feed() will also need changes. + */ +static int dvb_register(struct cx18_stream *stream) +{ + struct cx18_dvb *dvb = stream->dvb; + struct cx18 *cx = stream->cx; + int ret = 0; + + switch (cx->card->type) { + case CX18_CARD_HVR_1600_ESMT: + case CX18_CARD_HVR_1600_SAMSUNG: + dvb->fe = dvb_attach(s5h1409_attach, + &hauppauge_hvr1600_config, + &cx->i2c_adap[0]); + if (dvb->fe != NULL) { + dvb_attach(mxl5005s_attach, dvb->fe, + &cx->i2c_adap[0], + &hauppauge_hvr1600_tuner); + ret = 0; + } + break; + case CX18_CARD_HVR_1600_S5H1411: + dvb->fe = dvb_attach(s5h1411_attach, + &hcw_s5h1411_config, + &cx->i2c_adap[0]); + if (dvb->fe != NULL) + dvb_attach(tda18271_attach, dvb->fe, + 0x60, &cx->i2c_adap[0], + &hauppauge_tda18271_config); + break; + case CX18_CARD_LEADTEK_DVR3100H: + dvb->fe = dvb_attach(zl10353_attach, + &leadtek_dvr3100h_demod, + &cx->i2c_adap[1]); + if (dvb->fe != NULL) { + struct dvb_frontend *fe; + struct xc2028_config cfg = { + .i2c_adap = &cx->i2c_adap[1], + .i2c_addr = 0xc2 >> 1, + .ctrl = NULL, + }; + static struct xc2028_ctrl ctrl = { + .fname = XC2028_DEFAULT_FIRMWARE, + .max_len = 64, + .demod = XC3028_FE_ZARLINK456, + .type = XC2028_AUTO, + }; + + fe = dvb_attach(xc2028_attach, dvb->fe, &cfg); + if (fe != NULL && fe->ops.tuner_ops.set_config != NULL) + fe->ops.tuner_ops.set_config(fe, &ctrl); + } + break; + case CX18_CARD_YUAN_MPC718: + /* + * TODO + * Apparently, these cards also could instead have a + * DiBcom demod supported by one of the db7000 drivers + */ + dvb->fe = dvb_attach(mt352_attach, + &yuan_mpc718_mt352_demod, + &cx->i2c_adap[1]); + if (dvb->fe == NULL) + dvb->fe = dvb_attach(zl10353_attach, + &yuan_mpc718_zl10353_demod, + &cx->i2c_adap[1]); + if (dvb->fe != NULL) { + struct dvb_frontend *fe; + struct xc2028_config cfg = { + .i2c_adap = &cx->i2c_adap[1], + .i2c_addr = 0xc2 >> 1, + .ctrl = NULL, + }; + static struct xc2028_ctrl ctrl = { + .fname = XC2028_DEFAULT_FIRMWARE, + .max_len = 64, + .demod = XC3028_FE_ZARLINK456, + .type = XC2028_AUTO, + }; + + fe = dvb_attach(xc2028_attach, dvb->fe, &cfg); + if (fe != NULL && fe->ops.tuner_ops.set_config != NULL) + fe->ops.tuner_ops.set_config(fe, &ctrl); + } + break; + case CX18_CARD_GOTVIEW_PCI_DVD3: + dvb->fe = dvb_attach(zl10353_attach, + &gotview_dvd3_zl10353_demod, + &cx->i2c_adap[1]); + if (dvb->fe != NULL) { + struct dvb_frontend *fe; + struct xc2028_config cfg = { + .i2c_adap = &cx->i2c_adap[1], + .i2c_addr = 0xc2 >> 1, + .ctrl = NULL, + }; + static struct xc2028_ctrl ctrl = { + .fname = XC2028_DEFAULT_FIRMWARE, + .max_len = 64, + .demod = XC3028_FE_ZARLINK456, + .type = XC2028_AUTO, + }; + + fe = dvb_attach(xc2028_attach, dvb->fe, &cfg); + if (fe != NULL && fe->ops.tuner_ops.set_config != NULL) + fe->ops.tuner_ops.set_config(fe, &ctrl); + } + break; + default: + /* No Digital Tv Support */ + break; + } + + if (dvb->fe == NULL) { + CX18_ERR("frontend initialization failed\n"); + return -1; + } + + dvb->fe->callback = cx18_reset_tuner_gpio; + + ret = dvb_register_frontend(&dvb->dvb_adapter, dvb->fe); + if (ret < 0) { + if (dvb->fe->ops.release) + dvb->fe->ops.release(dvb->fe); + return ret; + } + + /* + * The firmware seems to enable the TS DMUX clock + * under various circumstances. However, since we know we + * might use it, let's just turn it on ourselves here. + */ + cx18_write_reg_expect(cx, + (CX18_DMUX_CLK_MASK << 16) | CX18_DMUX_CLK_MASK, + CX18_CLOCK_ENABLE2, + CX18_DMUX_CLK_MASK, + (CX18_DMUX_CLK_MASK << 16) | CX18_DMUX_CLK_MASK); + + return ret; +} + +MODULE_FIRMWARE(FWFILE); diff --git a/drivers/media/pci/cx18/cx18-dvb.h b/drivers/media/pci/cx18/cx18-dvb.h new file mode 100644 index 0000000..bf8d8f6 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-dvb.h @@ -0,0 +1,25 @@ +/* + * cx18 functions for DVB support + * + * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "cx18-driver.h" + +int cx18_dvb_register(struct cx18_stream *stream); +void cx18_dvb_unregister(struct cx18_stream *stream); diff --git a/drivers/media/pci/cx18/cx18-fileops.c b/drivers/media/pci/cx18/cx18-fileops.c new file mode 100644 index 0000000..4bfd865 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-fileops.c @@ -0,0 +1,881 @@ +/* + * cx18 file operation functions + * + * Derived from ivtv-fileops.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-fileops.h" +#include "cx18-i2c.h" +#include "cx18-queue.h" +#include "cx18-vbi.h" +#include "cx18-audio.h" +#include "cx18-mailbox.h" +#include "cx18-scb.h" +#include "cx18-streams.h" +#include "cx18-controls.h" +#include "cx18-ioctl.h" +#include "cx18-cards.h" + +/* This function tries to claim the stream for a specific file descriptor. + If no one else is using this stream then the stream is claimed and + associated VBI and IDX streams are also automatically claimed. + Possible error returns: -EBUSY if someone else has claimed + the stream or 0 on success. */ +int cx18_claim_stream(struct cx18_open_id *id, int type) +{ + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[type]; + struct cx18_stream *s_assoc; + + /* Nothing should ever try to directly claim the IDX stream */ + if (type == CX18_ENC_STREAM_TYPE_IDX) { + CX18_WARN("MPEG Index stream cannot be claimed " + "directly, but something tried.\n"); + return -EINVAL; + } + + if (test_and_set_bit(CX18_F_S_CLAIMED, &s->s_flags)) { + /* someone already claimed this stream */ + if (s->id == id->open_id) { + /* yes, this file descriptor did. So that's OK. */ + return 0; + } + if (s->id == -1 && type == CX18_ENC_STREAM_TYPE_VBI) { + /* VBI is handled already internally, now also assign + the file descriptor to this stream for external + reading of the stream. */ + s->id = id->open_id; + CX18_DEBUG_INFO("Start Read VBI\n"); + return 0; + } + /* someone else is using this stream already */ + CX18_DEBUG_INFO("Stream %d is busy\n", type); + return -EBUSY; + } + s->id = id->open_id; + + /* + * CX18_ENC_STREAM_TYPE_MPG needs to claim: + * CX18_ENC_STREAM_TYPE_VBI, if VBI insertion is on for sliced VBI, or + * CX18_ENC_STREAM_TYPE_IDX, if VBI insertion is off for sliced VBI + * (We don't yet fix up MPEG Index entries for our inserted packets). + * + * For all other streams we're done. + */ + if (type != CX18_ENC_STREAM_TYPE_MPG) + return 0; + + s_assoc = &cx->streams[CX18_ENC_STREAM_TYPE_IDX]; + if (cx->vbi.insert_mpeg && !cx18_raw_vbi(cx)) + s_assoc = &cx->streams[CX18_ENC_STREAM_TYPE_VBI]; + else if (!cx18_stream_enabled(s_assoc)) + return 0; + + set_bit(CX18_F_S_CLAIMED, &s_assoc->s_flags); + + /* mark that it is used internally */ + set_bit(CX18_F_S_INTERNAL_USE, &s_assoc->s_flags); + return 0; +} +EXPORT_SYMBOL(cx18_claim_stream); + +/* This function releases a previously claimed stream. It will take into + account associated VBI streams. */ +void cx18_release_stream(struct cx18_stream *s) +{ + struct cx18 *cx = s->cx; + struct cx18_stream *s_assoc; + + s->id = -1; + if (s->type == CX18_ENC_STREAM_TYPE_IDX) { + /* + * The IDX stream is only used internally, and can + * only be indirectly unclaimed by unclaiming the MPG stream. + */ + return; + } + + if (s->type == CX18_ENC_STREAM_TYPE_VBI && + test_bit(CX18_F_S_INTERNAL_USE, &s->s_flags)) { + /* this stream is still in use internally */ + return; + } + if (!test_and_clear_bit(CX18_F_S_CLAIMED, &s->s_flags)) { + CX18_DEBUG_WARN("Release stream %s not in use!\n", s->name); + return; + } + + cx18_flush_queues(s); + + /* + * CX18_ENC_STREAM_TYPE_MPG needs to release the + * CX18_ENC_STREAM_TYPE_VBI and/or CX18_ENC_STREAM_TYPE_IDX streams. + * + * For all other streams we're done. + */ + if (s->type != CX18_ENC_STREAM_TYPE_MPG) + return; + + /* Unclaim the associated MPEG Index stream */ + s_assoc = &cx->streams[CX18_ENC_STREAM_TYPE_IDX]; + if (test_and_clear_bit(CX18_F_S_INTERNAL_USE, &s_assoc->s_flags)) { + clear_bit(CX18_F_S_CLAIMED, &s_assoc->s_flags); + cx18_flush_queues(s_assoc); + } + + /* Unclaim the associated VBI stream */ + s_assoc = &cx->streams[CX18_ENC_STREAM_TYPE_VBI]; + if (test_and_clear_bit(CX18_F_S_INTERNAL_USE, &s_assoc->s_flags)) { + if (s_assoc->id == -1) { + /* + * The VBI stream is not still claimed by a file + * descriptor, so completely unclaim it. + */ + clear_bit(CX18_F_S_CLAIMED, &s_assoc->s_flags); + cx18_flush_queues(s_assoc); + } + } +} +EXPORT_SYMBOL(cx18_release_stream); + +static void cx18_dualwatch(struct cx18 *cx) +{ + struct v4l2_tuner vt; + u32 new_stereo_mode; + const u32 dual = 0x0200; + + new_stereo_mode = v4l2_ctrl_g_ctrl(cx->cxhdl.audio_mode); + memset(&vt, 0, sizeof(vt)); + cx18_call_all(cx, tuner, g_tuner, &vt); + if (vt.audmode == V4L2_TUNER_MODE_LANG1_LANG2 && + (vt.rxsubchans & V4L2_TUNER_SUB_LANG2)) + new_stereo_mode = dual; + + if (new_stereo_mode == cx->dualwatch_stereo_mode) + return; + + CX18_DEBUG_INFO("dualwatch: change stereo flag from 0x%x to 0x%x.\n", + cx->dualwatch_stereo_mode, new_stereo_mode); + if (v4l2_ctrl_s_ctrl(cx->cxhdl.audio_mode, new_stereo_mode)) + CX18_DEBUG_INFO("dualwatch: changing stereo flag failed\n"); +} + + +static struct cx18_mdl *cx18_get_mdl(struct cx18_stream *s, int non_block, + int *err) +{ + struct cx18 *cx = s->cx; + struct cx18_stream *s_vbi = &cx->streams[CX18_ENC_STREAM_TYPE_VBI]; + struct cx18_mdl *mdl; + DEFINE_WAIT(wait); + + *err = 0; + while (1) { + if (s->type == CX18_ENC_STREAM_TYPE_MPG) { + /* Process pending program updates and VBI data */ + if (time_after(jiffies, cx->dualwatch_jiffies + msecs_to_jiffies(1000))) { + cx->dualwatch_jiffies = jiffies; + cx18_dualwatch(cx); + } + if (test_bit(CX18_F_S_INTERNAL_USE, &s_vbi->s_flags) && + !test_bit(CX18_F_S_APPL_IO, &s_vbi->s_flags)) { + while ((mdl = cx18_dequeue(s_vbi, + &s_vbi->q_full))) { + /* byteswap and process VBI data */ + cx18_process_vbi_data(cx, mdl, + s_vbi->type); + cx18_stream_put_mdl_fw(s_vbi, mdl); + } + } + mdl = &cx->vbi.sliced_mpeg_mdl; + if (mdl->readpos != mdl->bytesused) + return mdl; + } + + /* do we have new data? */ + mdl = cx18_dequeue(s, &s->q_full); + if (mdl) { + if (!test_and_clear_bit(CX18_F_M_NEED_SWAP, + &mdl->m_flags)) + return mdl; + if (s->type == CX18_ENC_STREAM_TYPE_MPG) + /* byteswap MPG data */ + cx18_mdl_swap(mdl); + else { + /* byteswap and process VBI data */ + cx18_process_vbi_data(cx, mdl, s->type); + } + return mdl; + } + + /* return if end of stream */ + if (!test_bit(CX18_F_S_STREAMING, &s->s_flags)) { + CX18_DEBUG_INFO("EOS %s\n", s->name); + return NULL; + } + + /* return if file was opened with O_NONBLOCK */ + if (non_block) { + *err = -EAGAIN; + return NULL; + } + + /* wait for more data to arrive */ + prepare_to_wait(&s->waitq, &wait, TASK_INTERRUPTIBLE); + /* New buffers might have become available before we were added + to the waitqueue */ + if (!atomic_read(&s->q_full.depth)) + schedule(); + finish_wait(&s->waitq, &wait); + if (signal_pending(current)) { + /* return if a signal was received */ + CX18_DEBUG_INFO("User stopped %s\n", s->name); + *err = -EINTR; + return NULL; + } + } +} + +static void cx18_setup_sliced_vbi_mdl(struct cx18 *cx) +{ + struct cx18_mdl *mdl = &cx->vbi.sliced_mpeg_mdl; + struct cx18_buffer *buf = &cx->vbi.sliced_mpeg_buf; + int idx = cx->vbi.inserted_frame % CX18_VBI_FRAMES; + + buf->buf = cx->vbi.sliced_mpeg_data[idx]; + buf->bytesused = cx->vbi.sliced_mpeg_size[idx]; + buf->readpos = 0; + + mdl->curr_buf = NULL; + mdl->bytesused = cx->vbi.sliced_mpeg_size[idx]; + mdl->readpos = 0; +} + +static size_t cx18_copy_buf_to_user(struct cx18_stream *s, + struct cx18_buffer *buf, char __user *ubuf, size_t ucount, bool *stop) +{ + struct cx18 *cx = s->cx; + size_t len = buf->bytesused - buf->readpos; + + *stop = false; + if (len > ucount) + len = ucount; + if (cx->vbi.insert_mpeg && s->type == CX18_ENC_STREAM_TYPE_MPG && + !cx18_raw_vbi(cx) && buf != &cx->vbi.sliced_mpeg_buf) { + /* + * Try to find a good splice point in the PS, just before + * an MPEG-2 Program Pack start code, and provide only + * up to that point to the user, so it's easy to insert VBI data + * the next time around. + * + * This will not work for an MPEG-2 TS and has only been + * verified by analysis to work for an MPEG-2 PS. Helen Buus + * pointed out this works for the CX23416 MPEG-2 DVD compatible + * stream, and research indicates both the MPEG 2 SVCD and DVD + * stream types use an MPEG-2 PS container. + */ + /* + * An MPEG-2 Program Stream (PS) is a series of + * MPEG-2 Program Packs terminated by an + * MPEG Program End Code after the last Program Pack. + * A Program Pack may hold a PS System Header packet and any + * number of Program Elementary Stream (PES) Packets + */ + const char *start = buf->buf + buf->readpos; + const char *p = start + 1; + const u8 *q; + u8 ch = cx->search_pack_header ? 0xba : 0xe0; + int stuffing, i; + + while (start + len > p) { + /* Scan for a 0 to find a potential MPEG-2 start code */ + q = memchr(p, 0, start + len - p); + if (q == NULL) + break; + p = q + 1; + /* + * Keep looking if not a + * MPEG-2 Pack header start code: 0x00 0x00 0x01 0xba + * or MPEG-2 video PES start code: 0x00 0x00 0x01 0xe0 + */ + if ((char *)q + 15 >= buf->buf + buf->bytesused || + q[1] != 0 || q[2] != 1 || q[3] != ch) + continue; + + /* If expecting the primary video PES */ + if (!cx->search_pack_header) { + /* Continue if it couldn't be a PES packet */ + if ((q[6] & 0xc0) != 0x80) + continue; + /* Check if a PTS or PTS & DTS follow */ + if (((q[7] & 0xc0) == 0x80 && /* PTS only */ + (q[9] & 0xf0) == 0x20) || /* PTS only */ + ((q[7] & 0xc0) == 0xc0 && /* PTS & DTS */ + (q[9] & 0xf0) == 0x30)) { /* DTS follows */ + /* Assume we found the video PES hdr */ + ch = 0xba; /* next want a Program Pack*/ + cx->search_pack_header = 1; + p = q + 9; /* Skip this video PES hdr */ + } + continue; + } + + /* We may have found a Program Pack start code */ + + /* Get the count of stuffing bytes & verify them */ + stuffing = q[13] & 7; + /* all stuffing bytes must be 0xff */ + for (i = 0; i < stuffing; i++) + if (q[14 + i] != 0xff) + break; + if (i == stuffing && /* right number of stuffing bytes*/ + (q[4] & 0xc4) == 0x44 && /* marker check */ + (q[12] & 3) == 3 && /* marker check */ + q[14 + stuffing] == 0 && /* PES Pack or Sys Hdr */ + q[15 + stuffing] == 0 && + q[16 + stuffing] == 1) { + /* We declare we actually found a Program Pack*/ + cx->search_pack_header = 0; /* expect vid PES */ + len = (char *)q - start; + cx18_setup_sliced_vbi_mdl(cx); + *stop = true; + break; + } + } + } + if (copy_to_user(ubuf, (u8 *)buf->buf + buf->readpos, len)) { + CX18_DEBUG_WARN("copy %zd bytes to user failed for %s\n", + len, s->name); + return -EFAULT; + } + buf->readpos += len; + if (s->type == CX18_ENC_STREAM_TYPE_MPG && + buf != &cx->vbi.sliced_mpeg_buf) + cx->mpg_data_received += len; + return len; +} + +static size_t cx18_copy_mdl_to_user(struct cx18_stream *s, + struct cx18_mdl *mdl, char __user *ubuf, size_t ucount) +{ + size_t tot_written = 0; + int rc; + bool stop = false; + + if (mdl->curr_buf == NULL) + mdl->curr_buf = list_first_entry(&mdl->buf_list, + struct cx18_buffer, list); + + if (list_entry_is_past_end(mdl->curr_buf, &mdl->buf_list, list)) { + /* + * For some reason we've exhausted the buffers, but the MDL + * object still said some data was unread. + * Fix that and bail out. + */ + mdl->readpos = mdl->bytesused; + return 0; + } + + list_for_each_entry_from(mdl->curr_buf, &mdl->buf_list, list) { + + if (mdl->curr_buf->readpos >= mdl->curr_buf->bytesused) + continue; + + rc = cx18_copy_buf_to_user(s, mdl->curr_buf, ubuf + tot_written, + ucount - tot_written, &stop); + if (rc < 0) + return rc; + mdl->readpos += rc; + tot_written += rc; + + if (stop || /* Forced stopping point for VBI insertion */ + tot_written >= ucount || /* Reader request statisfied */ + mdl->curr_buf->readpos < mdl->curr_buf->bytesused || + mdl->readpos >= mdl->bytesused) /* MDL buffers drained */ + break; + } + return tot_written; +} + +static ssize_t cx18_read(struct cx18_stream *s, char __user *ubuf, + size_t tot_count, int non_block) +{ + struct cx18 *cx = s->cx; + size_t tot_written = 0; + int single_frame = 0; + + if (atomic_read(&cx->ana_capturing) == 0 && s->id == -1) { + /* shouldn't happen */ + CX18_DEBUG_WARN("Stream %s not initialized before read\n", + s->name); + return -EIO; + } + + /* Each VBI buffer is one frame, the v4l2 API says that for VBI the + frames should arrive one-by-one, so make sure we never output more + than one VBI frame at a time */ + if (s->type == CX18_ENC_STREAM_TYPE_VBI && !cx18_raw_vbi(cx)) + single_frame = 1; + + for (;;) { + struct cx18_mdl *mdl; + int rc; + + mdl = cx18_get_mdl(s, non_block, &rc); + /* if there is no data available... */ + if (mdl == NULL) { + /* if we got data, then return that regardless */ + if (tot_written) + break; + /* EOS condition */ + if (rc == 0) { + clear_bit(CX18_F_S_STREAMOFF, &s->s_flags); + clear_bit(CX18_F_S_APPL_IO, &s->s_flags); + cx18_release_stream(s); + } + /* set errno */ + return rc; + } + + rc = cx18_copy_mdl_to_user(s, mdl, ubuf + tot_written, + tot_count - tot_written); + + if (mdl != &cx->vbi.sliced_mpeg_mdl) { + if (mdl->readpos == mdl->bytesused) + cx18_stream_put_mdl_fw(s, mdl); + else + cx18_push(s, mdl, &s->q_full); + } else if (mdl->readpos == mdl->bytesused) { + int idx = cx->vbi.inserted_frame % CX18_VBI_FRAMES; + + cx->vbi.sliced_mpeg_size[idx] = 0; + cx->vbi.inserted_frame++; + cx->vbi_data_inserted += mdl->bytesused; + } + if (rc < 0) + return rc; + tot_written += rc; + + if (tot_written == tot_count || single_frame) + break; + } + return tot_written; +} + +static ssize_t cx18_read_pos(struct cx18_stream *s, char __user *ubuf, + size_t count, loff_t *pos, int non_block) +{ + ssize_t rc = count ? cx18_read(s, ubuf, count, non_block) : 0; + struct cx18 *cx = s->cx; + + CX18_DEBUG_HI_FILE("read %zd from %s, got %zd\n", count, s->name, rc); + if (rc > 0) + pos += rc; + return rc; +} + +int cx18_start_capture(struct cx18_open_id *id) +{ + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + struct cx18_stream *s_vbi; + struct cx18_stream *s_idx; + + if (s->type == CX18_ENC_STREAM_TYPE_RAD) { + /* you cannot read from these stream types. */ + return -EPERM; + } + + /* Try to claim this stream. */ + if (cx18_claim_stream(id, s->type)) + return -EBUSY; + + /* If capture is already in progress, then we also have to + do nothing extra. */ + if (test_bit(CX18_F_S_STREAMOFF, &s->s_flags) || + test_and_set_bit(CX18_F_S_STREAMING, &s->s_flags)) { + set_bit(CX18_F_S_APPL_IO, &s->s_flags); + return 0; + } + + /* Start associated VBI or IDX stream capture if required */ + s_vbi = &cx->streams[CX18_ENC_STREAM_TYPE_VBI]; + s_idx = &cx->streams[CX18_ENC_STREAM_TYPE_IDX]; + if (s->type == CX18_ENC_STREAM_TYPE_MPG) { + /* + * The VBI and IDX streams should have been claimed + * automatically, if for internal use, when the MPG stream was + * claimed. We only need to start these streams capturing. + */ + if (test_bit(CX18_F_S_INTERNAL_USE, &s_idx->s_flags) && + !test_and_set_bit(CX18_F_S_STREAMING, &s_idx->s_flags)) { + if (cx18_start_v4l2_encode_stream(s_idx)) { + CX18_DEBUG_WARN("IDX capture start failed\n"); + clear_bit(CX18_F_S_STREAMING, &s_idx->s_flags); + goto start_failed; + } + CX18_DEBUG_INFO("IDX capture started\n"); + } + if (test_bit(CX18_F_S_INTERNAL_USE, &s_vbi->s_flags) && + !test_and_set_bit(CX18_F_S_STREAMING, &s_vbi->s_flags)) { + if (cx18_start_v4l2_encode_stream(s_vbi)) { + CX18_DEBUG_WARN("VBI capture start failed\n"); + clear_bit(CX18_F_S_STREAMING, &s_vbi->s_flags); + goto start_failed; + } + CX18_DEBUG_INFO("VBI insertion started\n"); + } + } + + /* Tell the card to start capturing */ + if (!cx18_start_v4l2_encode_stream(s)) { + /* We're done */ + set_bit(CX18_F_S_APPL_IO, &s->s_flags); + /* Resume a possibly paused encoder */ + if (test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) + cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, s->handle); + return 0; + } + +start_failed: + CX18_DEBUG_WARN("Failed to start capturing for stream %s\n", s->name); + + /* + * The associated VBI and IDX streams for internal use are released + * automatically when the MPG stream is released. We only need to stop + * the associated stream. + */ + if (s->type == CX18_ENC_STREAM_TYPE_MPG) { + /* Stop the IDX stream which is always for internal use */ + if (test_bit(CX18_F_S_STREAMING, &s_idx->s_flags)) { + cx18_stop_v4l2_encode_stream(s_idx, 0); + clear_bit(CX18_F_S_STREAMING, &s_idx->s_flags); + } + /* Stop the VBI stream, if only running for internal use */ + if (test_bit(CX18_F_S_STREAMING, &s_vbi->s_flags) && + !test_bit(CX18_F_S_APPL_IO, &s_vbi->s_flags)) { + cx18_stop_v4l2_encode_stream(s_vbi, 0); + clear_bit(CX18_F_S_STREAMING, &s_vbi->s_flags); + } + } + clear_bit(CX18_F_S_STREAMING, &s->s_flags); + cx18_release_stream(s); /* Also releases associated streams */ + return -EIO; +} + +ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count, + loff_t *pos) +{ + struct cx18_open_id *id = file2id(filp); + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + int rc; + + CX18_DEBUG_HI_FILE("read %zd bytes from %s\n", count, s->name); + + mutex_lock(&cx->serialize_lock); + rc = cx18_start_capture(id); + mutex_unlock(&cx->serialize_lock); + if (rc) + return rc; + + if ((s->vb_type == V4L2_BUF_TYPE_VIDEO_CAPTURE) && + (id->type == CX18_ENC_STREAM_TYPE_YUV)) { + return videobuf_read_stream(&s->vbuf_q, buf, count, pos, 0, + filp->f_flags & O_NONBLOCK); + } + + return cx18_read_pos(s, buf, count, pos, filp->f_flags & O_NONBLOCK); +} + +unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait) +{ + struct cx18_open_id *id = file2id(filp); + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + int eof = test_bit(CX18_F_S_STREAMOFF, &s->s_flags); + + /* Start a capture if there is none */ + if (!eof && !test_bit(CX18_F_S_STREAMING, &s->s_flags)) { + int rc; + + mutex_lock(&cx->serialize_lock); + rc = cx18_start_capture(id); + mutex_unlock(&cx->serialize_lock); + if (rc) { + CX18_DEBUG_INFO("Could not start capture for %s (%d)\n", + s->name, rc); + return POLLERR; + } + CX18_DEBUG_FILE("Encoder poll started capture\n"); + } + + if ((s->vb_type == V4L2_BUF_TYPE_VIDEO_CAPTURE) && + (id->type == CX18_ENC_STREAM_TYPE_YUV)) { + int videobuf_poll = videobuf_poll_stream(filp, &s->vbuf_q, wait); + if (eof && videobuf_poll == POLLERR) + return POLLHUP; + else + return videobuf_poll; + } + + /* add stream's waitq to the poll list */ + CX18_DEBUG_HI_FILE("Encoder poll\n"); + poll_wait(filp, &s->waitq, wait); + + if (atomic_read(&s->q_full.depth)) + return POLLIN | POLLRDNORM; + if (eof) + return POLLHUP; + return 0; +} + +int cx18_v4l2_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct cx18_open_id *id = file->private_data; + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + int eof = test_bit(CX18_F_S_STREAMOFF, &s->s_flags); + + if ((s->vb_type == V4L2_BUF_TYPE_VIDEO_CAPTURE) && + (id->type == CX18_ENC_STREAM_TYPE_YUV)) { + + /* Start a capture if there is none */ + if (!eof && !test_bit(CX18_F_S_STREAMING, &s->s_flags)) { + int rc; + + mutex_lock(&cx->serialize_lock); + rc = cx18_start_capture(id); + mutex_unlock(&cx->serialize_lock); + if (rc) { + CX18_DEBUG_INFO( + "Could not start capture for %s (%d)\n", + s->name, rc); + return -EINVAL; + } + CX18_DEBUG_FILE("Encoder mmap started capture\n"); + } + + return videobuf_mmap_mapper(&s->vbuf_q, vma); + } + + return -EINVAL; +} + +void cx18_vb_timeout(unsigned long data) +{ + struct cx18_stream *s = (struct cx18_stream *)data; + struct cx18_videobuf_buffer *buf; + unsigned long flags; + + /* Return all of the buffers in error state, so the vbi/vid inode + * can return from blocking. + */ + spin_lock_irqsave(&s->vb_lock, flags); + while (!list_empty(&s->vb_capture)) { + buf = list_entry(s->vb_capture.next, + struct cx18_videobuf_buffer, vb.queue); + list_del(&buf->vb.queue); + buf->vb.state = VIDEOBUF_ERROR; + wake_up(&buf->vb.done); + } + spin_unlock_irqrestore(&s->vb_lock, flags); +} + +void cx18_stop_capture(struct cx18_open_id *id, int gop_end) +{ + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + struct cx18_stream *s_vbi = &cx->streams[CX18_ENC_STREAM_TYPE_VBI]; + struct cx18_stream *s_idx = &cx->streams[CX18_ENC_STREAM_TYPE_IDX]; + + CX18_DEBUG_IOCTL("close() of %s\n", s->name); + + /* 'Unclaim' this stream */ + + /* Stop capturing */ + if (test_bit(CX18_F_S_STREAMING, &s->s_flags)) { + CX18_DEBUG_INFO("close stopping capture\n"); + if (id->type == CX18_ENC_STREAM_TYPE_MPG) { + /* Stop internal use associated VBI and IDX streams */ + if (test_bit(CX18_F_S_STREAMING, &s_vbi->s_flags) && + !test_bit(CX18_F_S_APPL_IO, &s_vbi->s_flags)) { + CX18_DEBUG_INFO("close stopping embedded VBI " + "capture\n"); + cx18_stop_v4l2_encode_stream(s_vbi, 0); + } + if (test_bit(CX18_F_S_STREAMING, &s_idx->s_flags)) { + CX18_DEBUG_INFO("close stopping IDX capture\n"); + cx18_stop_v4l2_encode_stream(s_idx, 0); + } + } + if (id->type == CX18_ENC_STREAM_TYPE_VBI && + test_bit(CX18_F_S_INTERNAL_USE, &s->s_flags)) + /* Also used internally, don't stop capturing */ + s->id = -1; + else + cx18_stop_v4l2_encode_stream(s, gop_end); + } + if (!gop_end) { + clear_bit(CX18_F_S_APPL_IO, &s->s_flags); + clear_bit(CX18_F_S_STREAMOFF, &s->s_flags); + cx18_release_stream(s); + } +} + +int cx18_v4l2_close(struct file *filp) +{ + struct v4l2_fh *fh = filp->private_data; + struct cx18_open_id *id = fh2id(fh); + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + + CX18_DEBUG_IOCTL("close() of %s\n", s->name); + + mutex_lock(&cx->serialize_lock); + /* Stop radio */ + if (id->type == CX18_ENC_STREAM_TYPE_RAD && + v4l2_fh_is_singular_file(filp)) { + /* Closing radio device, return to TV mode */ + cx18_mute(cx); + /* Mark that the radio is no longer in use */ + clear_bit(CX18_F_I_RADIO_USER, &cx->i_flags); + /* Switch tuner to TV */ + cx18_call_all(cx, core, s_std, cx->std); + /* Select correct audio input (i.e. TV tuner or Line in) */ + cx18_audio_set_io(cx); + if (atomic_read(&cx->ana_capturing) > 0) { + /* Undo video mute */ + cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, s->handle, + (v4l2_ctrl_g_ctrl(cx->cxhdl.video_mute) | + (v4l2_ctrl_g_ctrl(cx->cxhdl.video_mute_yuv) << 8))); + } + /* Done! Unmute and continue. */ + cx18_unmute(cx); + } + + v4l2_fh_del(fh); + v4l2_fh_exit(fh); + + /* 'Unclaim' this stream */ + if (s->id == id->open_id) + cx18_stop_capture(id, 0); + kfree(id); + mutex_unlock(&cx->serialize_lock); + return 0; +} + +static int cx18_serialized_open(struct cx18_stream *s, struct file *filp) +{ + struct cx18 *cx = s->cx; + struct cx18_open_id *item; + + CX18_DEBUG_FILE("open %s\n", s->name); + + /* Allocate memory */ + item = kzalloc(sizeof(struct cx18_open_id), GFP_KERNEL); + if (NULL == item) { + CX18_DEBUG_WARN("nomem on v4l2 open\n"); + return -ENOMEM; + } + v4l2_fh_init(&item->fh, s->video_dev); + + item->cx = cx; + item->type = s->type; + + item->open_id = cx->open_id++; + filp->private_data = &item->fh; + v4l2_fh_add(&item->fh); + + if (item->type == CX18_ENC_STREAM_TYPE_RAD && + v4l2_fh_is_singular_file(filp)) { + if (!test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) { + if (atomic_read(&cx->ana_capturing) > 0) { + /* switching to radio while capture is + in progress is not polite */ + v4l2_fh_del(&item->fh); + v4l2_fh_exit(&item->fh); + kfree(item); + return -EBUSY; + } + } + + /* Mark that the radio is being used. */ + set_bit(CX18_F_I_RADIO_USER, &cx->i_flags); + /* We have the radio */ + cx18_mute(cx); + /* Switch tuner to radio */ + cx18_call_all(cx, tuner, s_radio); + /* Select the correct audio input (i.e. radio tuner) */ + cx18_audio_set_io(cx); + /* Done! Unmute and continue. */ + cx18_unmute(cx); + } + return 0; +} + +int cx18_v4l2_open(struct file *filp) +{ + int res; + struct video_device *video_dev = video_devdata(filp); + struct cx18_stream *s = video_get_drvdata(video_dev); + struct cx18 *cx = s->cx; + + mutex_lock(&cx->serialize_lock); + if (cx18_init_on_first_open(cx)) { + CX18_ERR("Failed to initialize on %s\n", + video_device_node_name(video_dev)); + mutex_unlock(&cx->serialize_lock); + return -ENXIO; + } + res = cx18_serialized_open(s, filp); + mutex_unlock(&cx->serialize_lock); + return res; +} + +void cx18_mute(struct cx18 *cx) +{ + u32 h; + if (atomic_read(&cx->ana_capturing)) { + h = cx18_find_handle(cx); + if (h != CX18_INVALID_TASK_HANDLE) + cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, h, 1); + else + CX18_ERR("Can't find valid task handle for mute\n"); + } + CX18_DEBUG_INFO("Mute\n"); +} + +void cx18_unmute(struct cx18 *cx) +{ + u32 h; + if (atomic_read(&cx->ana_capturing)) { + h = cx18_find_handle(cx); + if (h != CX18_INVALID_TASK_HANDLE) { + cx18_msleep_timeout(100, 0); + cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2, h, 12); + cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, h, 0); + } else + CX18_ERR("Can't find valid task handle for unmute\n"); + } + CX18_DEBUG_INFO("Unmute\n"); +} diff --git a/drivers/media/pci/cx18/cx18-fileops.h b/drivers/media/pci/cx18/cx18-fileops.h new file mode 100644 index 0000000..b9e5110 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-fileops.h @@ -0,0 +1,41 @@ +/* + * cx18 file operation functions + * + * Derived from ivtv-fileops.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +/* Testing/Debugging */ +int cx18_v4l2_open(struct file *filp); +ssize_t cx18_v4l2_read(struct file *filp, char __user *buf, size_t count, + loff_t *pos); +ssize_t cx18_v4l2_write(struct file *filp, const char __user *buf, size_t count, + loff_t *pos); +int cx18_v4l2_close(struct file *filp); +unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait); +int cx18_start_capture(struct cx18_open_id *id); +void cx18_stop_capture(struct cx18_open_id *id, int gop_end); +void cx18_mute(struct cx18 *cx); +void cx18_unmute(struct cx18 *cx); +int cx18_v4l2_mmap(struct file *file, struct vm_area_struct *vma); +void cx18_vb_timeout(unsigned long data); + +/* Shared with cx18-alsa module */ +int cx18_claim_stream(struct cx18_open_id *id, int type); +void cx18_release_stream(struct cx18_stream *s); diff --git a/drivers/media/pci/cx18/cx18-firmware.c b/drivers/media/pci/cx18/cx18-firmware.c new file mode 100644 index 0000000..a1c1cec --- /dev/null +++ b/drivers/media/pci/cx18/cx18-firmware.c @@ -0,0 +1,459 @@ +/* + * cx18 firmware functions + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-io.h" +#include "cx18-scb.h" +#include "cx18-irq.h" +#include "cx18-firmware.h" +#include "cx18-cards.h" +#include <linux/firmware.h> + +#define CX18_PROC_SOFT_RESET 0xc70010 +#define CX18_DDR_SOFT_RESET 0xc70014 +#define CX18_CLOCK_SELECT1 0xc71000 +#define CX18_CLOCK_SELECT2 0xc71004 +#define CX18_HALF_CLOCK_SELECT1 0xc71008 +#define CX18_HALF_CLOCK_SELECT2 0xc7100C +#define CX18_CLOCK_POLARITY1 0xc71010 +#define CX18_CLOCK_POLARITY2 0xc71014 +#define CX18_ADD_DELAY_ENABLE1 0xc71018 +#define CX18_ADD_DELAY_ENABLE2 0xc7101C +#define CX18_CLOCK_ENABLE1 0xc71020 +#define CX18_CLOCK_ENABLE2 0xc71024 + +#define CX18_REG_BUS_TIMEOUT_EN 0xc72024 + +#define CX18_FAST_CLOCK_PLL_INT 0xc78000 +#define CX18_FAST_CLOCK_PLL_FRAC 0xc78004 +#define CX18_FAST_CLOCK_PLL_POST 0xc78008 +#define CX18_FAST_CLOCK_PLL_PRESCALE 0xc7800C +#define CX18_FAST_CLOCK_PLL_ADJUST_BANDWIDTH 0xc78010 + +#define CX18_SLOW_CLOCK_PLL_INT 0xc78014 +#define CX18_SLOW_CLOCK_PLL_FRAC 0xc78018 +#define CX18_SLOW_CLOCK_PLL_POST 0xc7801C +#define CX18_MPEG_CLOCK_PLL_INT 0xc78040 +#define CX18_MPEG_CLOCK_PLL_FRAC 0xc78044 +#define CX18_MPEG_CLOCK_PLL_POST 0xc78048 +#define CX18_PLL_POWER_DOWN 0xc78088 +#define CX18_SW1_INT_STATUS 0xc73104 +#define CX18_SW1_INT_ENABLE_PCI 0xc7311C +#define CX18_SW2_INT_SET 0xc73140 +#define CX18_SW2_INT_STATUS 0xc73144 +#define CX18_ADEC_CONTROL 0xc78120 + +#define CX18_DDR_REQUEST_ENABLE 0xc80000 +#define CX18_DDR_CHIP_CONFIG 0xc80004 +#define CX18_DDR_REFRESH 0xc80008 +#define CX18_DDR_TIMING1 0xc8000C +#define CX18_DDR_TIMING2 0xc80010 +#define CX18_DDR_POWER_REG 0xc8001C + +#define CX18_DDR_TUNE_LANE 0xc80048 +#define CX18_DDR_INITIAL_EMRS 0xc80054 +#define CX18_DDR_MB_PER_ROW_7 0xc8009C +#define CX18_DDR_BASE_63_ADDR 0xc804FC + +#define CX18_WMB_CLIENT02 0xc90108 +#define CX18_WMB_CLIENT05 0xc90114 +#define CX18_WMB_CLIENT06 0xc90118 +#define CX18_WMB_CLIENT07 0xc9011C +#define CX18_WMB_CLIENT08 0xc90120 +#define CX18_WMB_CLIENT09 0xc90124 +#define CX18_WMB_CLIENT10 0xc90128 +#define CX18_WMB_CLIENT11 0xc9012C +#define CX18_WMB_CLIENT12 0xc90130 +#define CX18_WMB_CLIENT13 0xc90134 +#define CX18_WMB_CLIENT14 0xc90138 + +#define CX18_DSP0_INTERRUPT_MASK 0xd0004C + +#define APU_ROM_SYNC1 0x6D676553 /* "mgeS" */ +#define APU_ROM_SYNC2 0x72646548 /* "rdeH" */ + +struct cx18_apu_rom_seghdr { + u32 sync1; + u32 sync2; + u32 addr; + u32 size; +}; + +static int load_cpu_fw_direct(const char *fn, u8 __iomem *mem, struct cx18 *cx) +{ + const struct firmware *fw = NULL; + int i, j; + unsigned size; + u32 __iomem *dst = (u32 __iomem *)mem; + const u32 *src; + + if (request_firmware(&fw, fn, &cx->pci_dev->dev)) { + CX18_ERR("Unable to open firmware %s\n", fn); + CX18_ERR("Did you put the firmware in the hotplug firmware directory?\n"); + return -ENOMEM; + } + + src = (const u32 *)fw->data; + + for (i = 0; i < fw->size; i += 4096) { + cx18_setup_page(cx, i); + for (j = i; j < fw->size && j < i + 4096; j += 4) { + /* no need for endianness conversion on the ppc */ + cx18_raw_writel(cx, *src, dst); + if (cx18_raw_readl(cx, dst) != *src) { + CX18_ERR("Mismatch at offset %x\n", i); + release_firmware(fw); + cx18_setup_page(cx, 0); + return -EIO; + } + dst++; + src++; + } + } + if (!test_bit(CX18_F_I_LOADED_FW, &cx->i_flags)) + CX18_INFO("loaded %s firmware (%zd bytes)\n", fn, fw->size); + size = fw->size; + release_firmware(fw); + cx18_setup_page(cx, SCB_OFFSET); + return size; +} + +static int load_apu_fw_direct(const char *fn, u8 __iomem *dst, struct cx18 *cx, + u32 *entry_addr) +{ + const struct firmware *fw = NULL; + int i, j; + unsigned size; + const u32 *src; + struct cx18_apu_rom_seghdr seghdr; + const u8 *vers; + u32 offset = 0; + u32 apu_version = 0; + int sz; + + if (request_firmware(&fw, fn, &cx->pci_dev->dev)) { + CX18_ERR("unable to open firmware %s\n", fn); + CX18_ERR("did you put the firmware in the hotplug firmware directory?\n"); + cx18_setup_page(cx, 0); + return -ENOMEM; + } + + *entry_addr = 0; + src = (const u32 *)fw->data; + vers = fw->data + sizeof(seghdr); + sz = fw->size; + + apu_version = (vers[0] << 24) | (vers[4] << 16) | vers[32]; + while (offset + sizeof(seghdr) < fw->size) { + const u32 *shptr = src + offset / 4; + + seghdr.sync1 = le32_to_cpu(shptr[0]); + seghdr.sync2 = le32_to_cpu(shptr[1]); + seghdr.addr = le32_to_cpu(shptr[2]); + seghdr.size = le32_to_cpu(shptr[3]); + + offset += sizeof(seghdr); + if (seghdr.sync1 != APU_ROM_SYNC1 || + seghdr.sync2 != APU_ROM_SYNC2) { + offset += seghdr.size; + continue; + } + CX18_DEBUG_INFO("load segment %x-%x\n", seghdr.addr, + seghdr.addr + seghdr.size - 1); + if (*entry_addr == 0) + *entry_addr = seghdr.addr; + if (offset + seghdr.size > sz) + break; + for (i = 0; i < seghdr.size; i += 4096) { + cx18_setup_page(cx, seghdr.addr + i); + for (j = i; j < seghdr.size && j < i + 4096; j += 4) { + /* no need for endianness conversion on the ppc */ + cx18_raw_writel(cx, src[(offset + j) / 4], + dst + seghdr.addr + j); + if (cx18_raw_readl(cx, dst + seghdr.addr + j) + != src[(offset + j) / 4]) { + CX18_ERR("Mismatch at offset %x\n", + offset + j); + release_firmware(fw); + cx18_setup_page(cx, 0); + return -EIO; + } + } + } + offset += seghdr.size; + } + if (!test_bit(CX18_F_I_LOADED_FW, &cx->i_flags)) + CX18_INFO("loaded %s firmware V%08x (%zd bytes)\n", + fn, apu_version, fw->size); + size = fw->size; + release_firmware(fw); + cx18_setup_page(cx, 0); + return size; +} + +void cx18_halt_firmware(struct cx18 *cx) +{ + CX18_DEBUG_INFO("Preparing for firmware halt.\n"); + cx18_write_reg_expect(cx, 0x000F000F, CX18_PROC_SOFT_RESET, + 0x0000000F, 0x000F000F); + cx18_write_reg_expect(cx, 0x00020002, CX18_ADEC_CONTROL, + 0x00000002, 0x00020002); +} + +void cx18_init_power(struct cx18 *cx, int lowpwr) +{ + /* power-down Spare and AOM PLLs */ + /* power-up fast, slow and mpeg PLLs */ + cx18_write_reg(cx, 0x00000008, CX18_PLL_POWER_DOWN); + + /* ADEC out of sleep */ + cx18_write_reg_expect(cx, 0x00020000, CX18_ADEC_CONTROL, + 0x00000000, 0x00020002); + + /* + * The PLL parameters are based on the external crystal frequency that + * would ideally be: + * + * NTSC Color subcarrier freq * 8 = + * 4.5 MHz/286 * 455/2 * 8 = 28.63636363... MHz + * + * The accidents of history and rationale that explain from where this + * combination of magic numbers originate can be found in: + * + * [1] Abrahams, I. C., "Choice of Chrominance Subcarrier Frequency in + * the NTSC Standards", Proceedings of the I-R-E, January 1954, pp 79-80 + * + * [2] Abrahams, I. C., "The 'Frequency Interleaving' Principle in the + * NTSC Standards", Proceedings of the I-R-E, January 1954, pp 81-83 + * + * As Mike Bradley has rightly pointed out, it's not the exact crystal + * frequency that matters, only that all parts of the driver and + * firmware are using the same value (close to the ideal value). + * + * Since I have a strong suspicion that, if the firmware ever assumes a + * crystal value at all, it will assume 28.636360 MHz, the crystal + * freq used in calculations in this driver will be: + * + * xtal_freq = 28.636360 MHz + * + * an error of less than 0.13 ppm which is way, way better than any off + * the shelf crystal will have for accuracy anyway. + * + * Below I aim to run the PLLs' VCOs near 400 MHz to minimze errors. + * + * Many thanks to Jeff Campbell and Mike Bradley for their extensive + * investigation, experimentation, testing, and suggested solutions of + * of audio/video sync problems with SVideo and CVBS captures. + */ + + /* the fast clock is at 200/245 MHz */ + /* 1 * xtal_freq * 0x0d.f7df9b8 / 2 = 200 MHz: 400 MHz pre post-divide*/ + /* 1 * xtal_freq * 0x11.1c71eb8 / 2 = 245 MHz: 490 MHz pre post-divide*/ + cx18_write_reg(cx, lowpwr ? 0xD : 0x11, CX18_FAST_CLOCK_PLL_INT); + cx18_write_reg(cx, lowpwr ? 0x1EFBF37 : 0x038E3D7, + CX18_FAST_CLOCK_PLL_FRAC); + + cx18_write_reg(cx, 2, CX18_FAST_CLOCK_PLL_POST); + cx18_write_reg(cx, 1, CX18_FAST_CLOCK_PLL_PRESCALE); + cx18_write_reg(cx, 4, CX18_FAST_CLOCK_PLL_ADJUST_BANDWIDTH); + + /* set slow clock to 125/120 MHz */ + /* xtal_freq * 0x0d.1861a20 / 3 = 125 MHz: 375 MHz before post-divide */ + /* xtal_freq * 0x0c.92493f8 / 3 = 120 MHz: 360 MHz before post-divide */ + cx18_write_reg(cx, lowpwr ? 0xD : 0xC, CX18_SLOW_CLOCK_PLL_INT); + cx18_write_reg(cx, lowpwr ? 0x30C344 : 0x124927F, + CX18_SLOW_CLOCK_PLL_FRAC); + cx18_write_reg(cx, 3, CX18_SLOW_CLOCK_PLL_POST); + + /* mpeg clock pll 54MHz */ + /* xtal_freq * 0xf.15f17f0 / 8 = 54 MHz: 432 MHz before post-divide */ + cx18_write_reg(cx, 0xF, CX18_MPEG_CLOCK_PLL_INT); + cx18_write_reg(cx, 0x2BE2FE, CX18_MPEG_CLOCK_PLL_FRAC); + cx18_write_reg(cx, 8, CX18_MPEG_CLOCK_PLL_POST); + + /* Defaults */ + /* APU = SC or SC/2 = 125/62.5 */ + /* EPU = SC = 125 */ + /* DDR = FC = 180 */ + /* ENC = SC = 125 */ + /* AI1 = SC = 125 */ + /* VIM2 = disabled */ + /* PCI = FC/2 = 90 */ + /* AI2 = disabled */ + /* DEMUX = disabled */ + /* AO = SC/2 = 62.5 */ + /* SER = 54MHz */ + /* VFC = disabled */ + /* USB = disabled */ + + if (lowpwr) { + cx18_write_reg_expect(cx, 0xFFFF0020, CX18_CLOCK_SELECT1, + 0x00000020, 0xFFFFFFFF); + cx18_write_reg_expect(cx, 0xFFFF0004, CX18_CLOCK_SELECT2, + 0x00000004, 0xFFFFFFFF); + } else { + /* This doesn't explicitly set every clock select */ + cx18_write_reg_expect(cx, 0x00060004, CX18_CLOCK_SELECT1, + 0x00000004, 0x00060006); + cx18_write_reg_expect(cx, 0x00060006, CX18_CLOCK_SELECT2, + 0x00000006, 0x00060006); + } + + cx18_write_reg_expect(cx, 0xFFFF0002, CX18_HALF_CLOCK_SELECT1, + 0x00000002, 0xFFFFFFFF); + cx18_write_reg_expect(cx, 0xFFFF0104, CX18_HALF_CLOCK_SELECT2, + 0x00000104, 0xFFFFFFFF); + cx18_write_reg_expect(cx, 0xFFFF9026, CX18_CLOCK_ENABLE1, + 0x00009026, 0xFFFFFFFF); + cx18_write_reg_expect(cx, 0xFFFF3105, CX18_CLOCK_ENABLE2, + 0x00003105, 0xFFFFFFFF); +} + +void cx18_init_memory(struct cx18 *cx) +{ + cx18_msleep_timeout(10, 0); + cx18_write_reg_expect(cx, 0x00010000, CX18_DDR_SOFT_RESET, + 0x00000000, 0x00010001); + cx18_msleep_timeout(10, 0); + + cx18_write_reg(cx, cx->card->ddr.chip_config, CX18_DDR_CHIP_CONFIG); + + cx18_msleep_timeout(10, 0); + + cx18_write_reg(cx, cx->card->ddr.refresh, CX18_DDR_REFRESH); + cx18_write_reg(cx, cx->card->ddr.timing1, CX18_DDR_TIMING1); + cx18_write_reg(cx, cx->card->ddr.timing2, CX18_DDR_TIMING2); + + cx18_msleep_timeout(10, 0); + + /* Initialize DQS pad time */ + cx18_write_reg(cx, cx->card->ddr.tune_lane, CX18_DDR_TUNE_LANE); + cx18_write_reg(cx, cx->card->ddr.initial_emrs, CX18_DDR_INITIAL_EMRS); + + cx18_msleep_timeout(10, 0); + + cx18_write_reg_expect(cx, 0x00020000, CX18_DDR_SOFT_RESET, + 0x00000000, 0x00020002); + cx18_msleep_timeout(10, 0); + + /* use power-down mode when idle */ + cx18_write_reg(cx, 0x00000010, CX18_DDR_POWER_REG); + + cx18_write_reg_expect(cx, 0x00010001, CX18_REG_BUS_TIMEOUT_EN, + 0x00000001, 0x00010001); + + cx18_write_reg(cx, 0x48, CX18_DDR_MB_PER_ROW_7); + cx18_write_reg(cx, 0xE0000, CX18_DDR_BASE_63_ADDR); + + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT02); /* AO */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT09); /* AI2 */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT05); /* VIM1 */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT06); /* AI1 */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT07); /* 3D comb */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT10); /* ME */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT12); /* ENC */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT13); /* PK */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT11); /* RC */ + cx18_write_reg(cx, 0x00000101, CX18_WMB_CLIENT14); /* AVO */ +} + +#define CX18_CPU_FIRMWARE "v4l-cx23418-cpu.fw" +#define CX18_APU_FIRMWARE "v4l-cx23418-apu.fw" + +int cx18_firmware_init(struct cx18 *cx) +{ + u32 fw_entry_addr; + int sz, retries; + u32 api_args[MAX_MB_ARGUMENTS]; + + /* Allow chip to control CLKRUN */ + cx18_write_reg(cx, 0x5, CX18_DSP0_INTERRUPT_MASK); + + /* Stop the firmware */ + cx18_write_reg_expect(cx, 0x000F000F, CX18_PROC_SOFT_RESET, + 0x0000000F, 0x000F000F); + + cx18_msleep_timeout(1, 0); + + /* If the CPU is still running */ + if ((cx18_read_reg(cx, CX18_PROC_SOFT_RESET) & 8) == 0) { + CX18_ERR("%s: couldn't stop CPU to load firmware\n", __func__); + return -EIO; + } + + cx18_sw1_irq_enable(cx, IRQ_CPU_TO_EPU | IRQ_APU_TO_EPU); + cx18_sw2_irq_enable(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); + + sz = load_cpu_fw_direct(CX18_CPU_FIRMWARE, cx->enc_mem, cx); + if (sz <= 0) + return sz; + + /* The SCB & IPC area *must* be correct before starting the firmwares */ + cx18_init_scb(cx); + + fw_entry_addr = 0; + sz = load_apu_fw_direct(CX18_APU_FIRMWARE, cx->enc_mem, cx, + &fw_entry_addr); + if (sz <= 0) + return sz; + + /* Start the CPU. The CPU will take care of the APU for us. */ + cx18_write_reg_expect(cx, 0x00080000, CX18_PROC_SOFT_RESET, + 0x00000000, 0x00080008); + + /* Wait up to 500 ms for the APU to come out of reset */ + for (retries = 0; + retries < 50 && (cx18_read_reg(cx, CX18_PROC_SOFT_RESET) & 1) == 1; + retries++) + cx18_msleep_timeout(10, 0); + + cx18_msleep_timeout(200, 0); + + if (retries == 50 && + (cx18_read_reg(cx, CX18_PROC_SOFT_RESET) & 1) == 1) { + CX18_ERR("Could not start the CPU\n"); + return -EIO; + } + + /* + * The CPU had once before set up to receive an interrupt for it's + * outgoing IRQ_CPU_TO_EPU_ACK to us. If it ever does this, we get an + * interrupt when it sends us an ack, but by the time we process it, + * that flag in the SW2 status register has been cleared by the CPU + * firmware. We'll prevent that not so useful condition from happening + * by clearing the CPU's interrupt enables for Ack IRQ's we want to + * process. + */ + cx18_sw2_irq_disable_cpu(cx, IRQ_CPU_TO_EPU_ACK | IRQ_APU_TO_EPU_ACK); + + /* Try a benign command to see if the CPU is alive and well */ + sz = cx18_vapi_result(cx, api_args, CX18_CPU_DEBUG_PEEK32, 1, 0); + if (sz < 0) + return sz; + + /* initialize GPIO */ + cx18_write_reg_expect(cx, 0x14001400, 0xc78110, 0x00001400, 0x14001400); + return 0; +} + +MODULE_FIRMWARE(CX18_CPU_FIRMWARE); +MODULE_FIRMWARE(CX18_APU_FIRMWARE); diff --git a/drivers/media/pci/cx18/cx18-firmware.h b/drivers/media/pci/cx18/cx18-firmware.h new file mode 100644 index 0000000..38d4c05 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-firmware.h @@ -0,0 +1,25 @@ +/* + * cx18 firmware functions + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +int cx18_firmware_init(struct cx18 *cx); +void cx18_halt_firmware(struct cx18 *cx); +void cx18_init_memory(struct cx18 *cx); +void cx18_init_power(struct cx18 *cx, int lowpwr); diff --git a/drivers/media/pci/cx18/cx18-gpio.c b/drivers/media/pci/cx18/cx18-gpio.c new file mode 100644 index 0000000..5374aeb --- /dev/null +++ b/drivers/media/pci/cx18/cx18-gpio.c @@ -0,0 +1,347 @@ +/* + * cx18 gpio functions + * + * Derived from ivtv-gpio.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-io.h" +#include "cx18-cards.h" +#include "cx18-gpio.h" +#include "tuner-xc2028.h" + +/********************* GPIO stuffs *********************/ + +/* GPIO registers */ +#define CX18_REG_GPIO_IN 0xc72010 +#define CX18_REG_GPIO_OUT1 0xc78100 +#define CX18_REG_GPIO_DIR1 0xc78108 +#define CX18_REG_GPIO_OUT2 0xc78104 +#define CX18_REG_GPIO_DIR2 0xc7810c + +/* + * HVR-1600 GPIO pins, courtesy of Hauppauge: + * + * gpio0: zilog ir process reset pin + * gpio1: zilog programming pin (you should never use this) + * gpio12: cx24227 reset pin + * gpio13: cs5345 reset pin +*/ + +/* + * File scope utility functions + */ +static void gpio_write(struct cx18 *cx) +{ + u32 dir_lo = cx->gpio_dir & 0xffff; + u32 val_lo = cx->gpio_val & 0xffff; + u32 dir_hi = cx->gpio_dir >> 16; + u32 val_hi = cx->gpio_val >> 16; + + cx18_write_reg_expect(cx, dir_lo << 16, + CX18_REG_GPIO_DIR1, ~dir_lo, dir_lo); + cx18_write_reg_expect(cx, (dir_lo << 16) | val_lo, + CX18_REG_GPIO_OUT1, val_lo, dir_lo); + cx18_write_reg_expect(cx, dir_hi << 16, + CX18_REG_GPIO_DIR2, ~dir_hi, dir_hi); + cx18_write_reg_expect(cx, (dir_hi << 16) | val_hi, + CX18_REG_GPIO_OUT2, val_hi, dir_hi); +} + +static void gpio_update(struct cx18 *cx, u32 mask, u32 data) +{ + if (mask == 0) + return; + + mutex_lock(&cx->gpio_lock); + cx->gpio_val = (cx->gpio_val & ~mask) | (data & mask); + gpio_write(cx); + mutex_unlock(&cx->gpio_lock); +} + +static void gpio_reset_seq(struct cx18 *cx, u32 active_lo, u32 active_hi, + unsigned int assert_msecs, + unsigned int recovery_msecs) +{ + u32 mask; + + mask = active_lo | active_hi; + if (mask == 0) + return; + + /* + * Assuming that active_hi and active_lo are a subsets of the bits in + * gpio_dir. Also assumes that active_lo and active_hi don't overlap + * in any bit position + */ + + /* Assert */ + gpio_update(cx, mask, ~active_lo); + schedule_timeout_uninterruptible(msecs_to_jiffies(assert_msecs)); + + /* Deassert */ + gpio_update(cx, mask, ~active_hi); + schedule_timeout_uninterruptible(msecs_to_jiffies(recovery_msecs)); +} + +/* + * GPIO Multiplexer - logical device + */ +static int gpiomux_log_status(struct v4l2_subdev *sd) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + + mutex_lock(&cx->gpio_lock); + CX18_INFO_DEV(sd, "GPIO: direction 0x%08x, value 0x%08x\n", + cx->gpio_dir, cx->gpio_val); + mutex_unlock(&cx->gpio_lock); + return 0; +} + +static int gpiomux_s_radio(struct v4l2_subdev *sd) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + + /* + * FIXME - work out the cx->active/audio_input mess - this is + * intended to handle the switch to radio mode and set the + * audio routing, but we need to update the state in cx + */ + gpio_update(cx, cx->card->gpio_audio_input.mask, + cx->card->gpio_audio_input.radio); + return 0; +} + +static int gpiomux_s_std(struct v4l2_subdev *sd, v4l2_std_id norm) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + u32 data; + + switch (cx->card->audio_inputs[cx->audio_input].muxer_input) { + case 1: + data = cx->card->gpio_audio_input.linein; + break; + case 0: + data = cx->card->gpio_audio_input.tuner; + break; + default: + /* + * FIXME - work out the cx->active/audio_input mess - this is + * intended to handle the switch from radio mode and set the + * audio routing, but we need to update the state in cx + */ + data = cx->card->gpio_audio_input.tuner; + break; + } + gpio_update(cx, cx->card->gpio_audio_input.mask, data); + return 0; +} + +static int gpiomux_s_audio_routing(struct v4l2_subdev *sd, + u32 input, u32 output, u32 config) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + u32 data; + + switch (input) { + case 0: + data = cx->card->gpio_audio_input.tuner; + break; + case 1: + data = cx->card->gpio_audio_input.linein; + break; + case 2: + data = cx->card->gpio_audio_input.radio; + break; + default: + return -EINVAL; + } + gpio_update(cx, cx->card->gpio_audio_input.mask, data); + return 0; +} + +static const struct v4l2_subdev_core_ops gpiomux_core_ops = { + .log_status = gpiomux_log_status, + .s_std = gpiomux_s_std, +}; + +static const struct v4l2_subdev_tuner_ops gpiomux_tuner_ops = { + .s_radio = gpiomux_s_radio, +}; + +static const struct v4l2_subdev_audio_ops gpiomux_audio_ops = { + .s_routing = gpiomux_s_audio_routing, +}; + +static const struct v4l2_subdev_ops gpiomux_ops = { + .core = &gpiomux_core_ops, + .tuner = &gpiomux_tuner_ops, + .audio = &gpiomux_audio_ops, +}; + +/* + * GPIO Reset Controller - logical device + */ +static int resetctrl_log_status(struct v4l2_subdev *sd) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + + mutex_lock(&cx->gpio_lock); + CX18_INFO_DEV(sd, "GPIO: direction 0x%08x, value 0x%08x\n", + cx->gpio_dir, cx->gpio_val); + mutex_unlock(&cx->gpio_lock); + return 0; +} + +static int resetctrl_reset(struct v4l2_subdev *sd, u32 val) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + const struct cx18_gpio_i2c_slave_reset *p; + + p = &cx->card->gpio_i2c_slave_reset; + switch (val) { + case CX18_GPIO_RESET_I2C: + gpio_reset_seq(cx, p->active_lo_mask, p->active_hi_mask, + p->msecs_asserted, p->msecs_recovery); + break; + case CX18_GPIO_RESET_Z8F0811: + /* + * Assert timing for the Z8F0811 on HVR-1600 boards: + * 1. Assert RESET for min of 4 clock cycles at 18.432 MHz to + * initiate + * 2. Reset then takes 66 WDT cycles at 10 kHz + 16 xtal clock + * cycles (6,601,085 nanoseconds ~= 7 milliseconds) + * 3. DBG pin must be high before chip exits reset for normal + * operation. DBG is open drain and hopefully pulled high + * since we don't normally drive it (GPIO 1?) for the + * HVR-1600 + * 4. Z8F0811 won't exit reset until RESET is deasserted + * 5. Zilog comes out of reset, loads reset vector address and + * executes from there. Required recovery delay unknown. + */ + gpio_reset_seq(cx, p->ir_reset_mask, 0, + p->msecs_asserted, p->msecs_recovery); + break; + case CX18_GPIO_RESET_XC2028: + if (cx->card->tuners[0].tuner == TUNER_XC2028) + gpio_reset_seq(cx, (1 << cx->card->xceive_pin), 0, + 1, 1); + break; + } + return 0; +} + +static const struct v4l2_subdev_core_ops resetctrl_core_ops = { + .log_status = resetctrl_log_status, + .reset = resetctrl_reset, +}; + +static const struct v4l2_subdev_ops resetctrl_ops = { + .core = &resetctrl_core_ops, +}; + +/* + * External entry points + */ +void cx18_gpio_init(struct cx18 *cx) +{ + mutex_lock(&cx->gpio_lock); + cx->gpio_dir = cx->card->gpio_init.direction; + cx->gpio_val = cx->card->gpio_init.initial_value; + + if (cx->card->tuners[0].tuner == TUNER_XC2028) { + cx->gpio_dir |= 1 << cx->card->xceive_pin; + cx->gpio_val |= 1 << cx->card->xceive_pin; + } + + if (cx->gpio_dir == 0) { + mutex_unlock(&cx->gpio_lock); + return; + } + + CX18_DEBUG_INFO("GPIO initial dir: %08x/%08x out: %08x/%08x\n", + cx18_read_reg(cx, CX18_REG_GPIO_DIR1), + cx18_read_reg(cx, CX18_REG_GPIO_DIR2), + cx18_read_reg(cx, CX18_REG_GPIO_OUT1), + cx18_read_reg(cx, CX18_REG_GPIO_OUT2)); + + gpio_write(cx); + mutex_unlock(&cx->gpio_lock); +} + +int cx18_gpio_register(struct cx18 *cx, u32 hw) +{ + struct v4l2_subdev *sd; + const struct v4l2_subdev_ops *ops; + char *str; + + switch (hw) { + case CX18_HW_GPIO_MUX: + sd = &cx->sd_gpiomux; + ops = &gpiomux_ops; + str = "gpio-mux"; + break; + case CX18_HW_GPIO_RESET_CTRL: + sd = &cx->sd_resetctrl; + ops = &resetctrl_ops; + str = "gpio-reset-ctrl"; + break; + default: + return -EINVAL; + } + + v4l2_subdev_init(sd, ops); + v4l2_set_subdevdata(sd, cx); + snprintf(sd->name, sizeof(sd->name), "%s %s", cx->v4l2_dev.name, str); + sd->grp_id = hw; + return v4l2_device_register_subdev(&cx->v4l2_dev, sd); +} + +void cx18_reset_ir_gpio(void *data) +{ + struct cx18 *cx = to_cx18((struct v4l2_device *)data); + + if (cx->card->gpio_i2c_slave_reset.ir_reset_mask == 0) + return; + + CX18_DEBUG_INFO("Resetting IR microcontroller\n"); + + v4l2_subdev_call(&cx->sd_resetctrl, + core, reset, CX18_GPIO_RESET_Z8F0811); +} +EXPORT_SYMBOL(cx18_reset_ir_gpio); +/* This symbol is exported for use by lirc_pvr150 for the IR-blaster */ + +/* Xceive tuner reset function */ +int cx18_reset_tuner_gpio(void *dev, int component, int cmd, int value) +{ + struct i2c_algo_bit_data *algo = dev; + struct cx18_i2c_algo_callback_data *cb_data = algo->data; + struct cx18 *cx = cb_data->cx; + + if (cmd != XC2028_TUNER_RESET || + cx->card->tuners[0].tuner != TUNER_XC2028) + return 0; + + CX18_DEBUG_INFO("Resetting XCeive tuner\n"); + return v4l2_subdev_call(&cx->sd_resetctrl, + core, reset, CX18_GPIO_RESET_XC2028); +} diff --git a/drivers/media/pci/cx18/cx18-gpio.h b/drivers/media/pci/cx18/cx18-gpio.h new file mode 100644 index 0000000..4aea2ef --- /dev/null +++ b/drivers/media/pci/cx18/cx18-gpio.h @@ -0,0 +1,34 @@ +/* + * cx18 gpio functions + * + * Derived from ivtv-gpio.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +void cx18_gpio_init(struct cx18 *cx); +int cx18_gpio_register(struct cx18 *cx, u32 hw); + +enum cx18_gpio_reset_type { + CX18_GPIO_RESET_I2C = 0, + CX18_GPIO_RESET_Z8F0811 = 1, + CX18_GPIO_RESET_XC2028 = 2, +}; + +void cx18_reset_ir_gpio(void *data); +int cx18_reset_tuner_gpio(void *dev, int component, int cmd, int value); diff --git a/drivers/media/pci/cx18/cx18-i2c.c b/drivers/media/pci/cx18/cx18-i2c.c new file mode 100644 index 0000000..4af8cd6 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-i2c.c @@ -0,0 +1,325 @@ +/* + * cx18 I2C functions + * + * Derived from ivtv-i2c.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-io.h" +#include "cx18-cards.h" +#include "cx18-gpio.h" +#include "cx18-i2c.h" +#include "cx18-irq.h" + +#define CX18_REG_I2C_1_WR 0xf15000 +#define CX18_REG_I2C_1_RD 0xf15008 +#define CX18_REG_I2C_2_WR 0xf25100 +#define CX18_REG_I2C_2_RD 0xf25108 + +#define SETSCL_BIT 0x0001 +#define SETSDL_BIT 0x0002 +#define GETSCL_BIT 0x0004 +#define GETSDL_BIT 0x0008 + +#define CX18_CS5345_I2C_ADDR 0x4c +#define CX18_Z8F0811_IR_TX_I2C_ADDR 0x70 +#define CX18_Z8F0811_IR_RX_I2C_ADDR 0x71 + +/* This array should match the CX18_HW_ defines */ +static const u8 hw_addrs[] = { + 0, /* CX18_HW_TUNER */ + 0, /* CX18_HW_TVEEPROM */ + CX18_CS5345_I2C_ADDR, /* CX18_HW_CS5345 */ + 0, /* CX18_HW_DVB */ + 0, /* CX18_HW_418_AV */ + 0, /* CX18_HW_GPIO_MUX */ + 0, /* CX18_HW_GPIO_RESET_CTRL */ + CX18_Z8F0811_IR_TX_I2C_ADDR, /* CX18_HW_Z8F0811_IR_TX_HAUP */ + CX18_Z8F0811_IR_RX_I2C_ADDR, /* CX18_HW_Z8F0811_IR_RX_HAUP */ +}; + +/* This array should match the CX18_HW_ defines */ +/* This might well become a card-specific array */ +static const u8 hw_bus[] = { + 1, /* CX18_HW_TUNER */ + 0, /* CX18_HW_TVEEPROM */ + 0, /* CX18_HW_CS5345 */ + 0, /* CX18_HW_DVB */ + 0, /* CX18_HW_418_AV */ + 0, /* CX18_HW_GPIO_MUX */ + 0, /* CX18_HW_GPIO_RESET_CTRL */ + 0, /* CX18_HW_Z8F0811_IR_TX_HAUP */ + 0, /* CX18_HW_Z8F0811_IR_RX_HAUP */ +}; + +/* This array should match the CX18_HW_ defines */ +static const char * const hw_devicenames[] = { + "tuner", + "tveeprom", + "cs5345", + "cx23418_DTV", + "cx23418_AV", + "gpio_mux", + "gpio_reset_ctrl", + "ir_tx_z8f0811_haup", + "ir_rx_z8f0811_haup", +}; + +static int cx18_i2c_new_ir(struct cx18 *cx, struct i2c_adapter *adap, u32 hw, + const char *type, u8 addr) +{ + struct i2c_board_info info; + struct IR_i2c_init_data *init_data = &cx->ir_i2c_init_data; + unsigned short addr_list[2] = { addr, I2C_CLIENT_END }; + + memset(&info, 0, sizeof(struct i2c_board_info)); + strlcpy(info.type, type, I2C_NAME_SIZE); + + /* Our default information for ir-kbd-i2c.c to use */ + switch (hw) { + case CX18_HW_Z8F0811_IR_RX_HAUP: + init_data->ir_codes = RC_MAP_HAUPPAUGE; + init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; + init_data->type = RC_BIT_RC5; + init_data->name = cx->card_name; + info.platform_data = init_data; + break; + } + + return i2c_new_probed_device(adap, &info, addr_list, NULL) == NULL ? + -1 : 0; +} + +int cx18_i2c_register(struct cx18 *cx, unsigned idx) +{ + struct v4l2_subdev *sd; + int bus = hw_bus[idx]; + struct i2c_adapter *adap = &cx->i2c_adap[bus]; + const char *type = hw_devicenames[idx]; + u32 hw = 1 << idx; + + if (hw == CX18_HW_TUNER) { + /* special tuner group handling */ + sd = v4l2_i2c_new_subdev(&cx->v4l2_dev, + adap, type, 0, cx->card_i2c->radio); + if (sd != NULL) + sd->grp_id = hw; + sd = v4l2_i2c_new_subdev(&cx->v4l2_dev, + adap, type, 0, cx->card_i2c->demod); + if (sd != NULL) + sd->grp_id = hw; + sd = v4l2_i2c_new_subdev(&cx->v4l2_dev, + adap, type, 0, cx->card_i2c->tv); + if (sd != NULL) + sd->grp_id = hw; + return sd != NULL ? 0 : -1; + } + + if (hw & CX18_HW_IR_ANY) + return cx18_i2c_new_ir(cx, adap, hw, type, hw_addrs[idx]); + + /* Is it not an I2C device or one we do not wish to register? */ + if (!hw_addrs[idx]) + return -1; + + /* It's an I2C device other than an analog tuner or IR chip */ + sd = v4l2_i2c_new_subdev(&cx->v4l2_dev, adap, type, hw_addrs[idx], + NULL); + if (sd != NULL) + sd->grp_id = hw; + return sd != NULL ? 0 : -1; +} + +/* Find the first member of the subdev group id in hw */ +struct v4l2_subdev *cx18_find_hw(struct cx18 *cx, u32 hw) +{ + struct v4l2_subdev *result = NULL; + struct v4l2_subdev *sd; + + spin_lock(&cx->v4l2_dev.lock); + v4l2_device_for_each_subdev(sd, &cx->v4l2_dev) { + if (sd->grp_id == hw) { + result = sd; + break; + } + } + spin_unlock(&cx->v4l2_dev.lock); + return result; +} + +static void cx18_setscl(void *data, int state) +{ + struct cx18 *cx = ((struct cx18_i2c_algo_callback_data *)data)->cx; + int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; + u32 addr = bus_index ? CX18_REG_I2C_2_WR : CX18_REG_I2C_1_WR; + u32 r = cx18_read_reg(cx, addr); + + if (state) + cx18_write_reg(cx, r | SETSCL_BIT, addr); + else + cx18_write_reg(cx, r & ~SETSCL_BIT, addr); +} + +static void cx18_setsda(void *data, int state) +{ + struct cx18 *cx = ((struct cx18_i2c_algo_callback_data *)data)->cx; + int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; + u32 addr = bus_index ? CX18_REG_I2C_2_WR : CX18_REG_I2C_1_WR; + u32 r = cx18_read_reg(cx, addr); + + if (state) + cx18_write_reg(cx, r | SETSDL_BIT, addr); + else + cx18_write_reg(cx, r & ~SETSDL_BIT, addr); +} + +static int cx18_getscl(void *data) +{ + struct cx18 *cx = ((struct cx18_i2c_algo_callback_data *)data)->cx; + int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; + u32 addr = bus_index ? CX18_REG_I2C_2_RD : CX18_REG_I2C_1_RD; + + return cx18_read_reg(cx, addr) & GETSCL_BIT; +} + +static int cx18_getsda(void *data) +{ + struct cx18 *cx = ((struct cx18_i2c_algo_callback_data *)data)->cx; + int bus_index = ((struct cx18_i2c_algo_callback_data *)data)->bus_index; + u32 addr = bus_index ? CX18_REG_I2C_2_RD : CX18_REG_I2C_1_RD; + + return cx18_read_reg(cx, addr) & GETSDL_BIT; +} + +/* template for i2c-bit-algo */ +static struct i2c_adapter cx18_i2c_adap_template = { + .name = "cx18 i2c driver", + .algo = NULL, /* set by i2c-algo-bit */ + .algo_data = NULL, /* filled from template */ + .owner = THIS_MODULE, +}; + +#define CX18_SCL_PERIOD (10) /* usecs. 10 usec is period for a 100 KHz clock */ +#define CX18_ALGO_BIT_TIMEOUT (2) /* seconds */ + +static struct i2c_algo_bit_data cx18_i2c_algo_template = { + .setsda = cx18_setsda, + .setscl = cx18_setscl, + .getsda = cx18_getsda, + .getscl = cx18_getscl, + .udelay = CX18_SCL_PERIOD/2, /* 1/2 clock period in usec*/ + .timeout = CX18_ALGO_BIT_TIMEOUT*HZ /* jiffies */ +}; + +/* init + register i2c adapter */ +int init_cx18_i2c(struct cx18 *cx) +{ + int i, err; + CX18_DEBUG_I2C("i2c init\n"); + + for (i = 0; i < 2; i++) { + /* Setup algorithm for adapter */ + cx->i2c_algo[i] = cx18_i2c_algo_template; + cx->i2c_algo_cb_data[i].cx = cx; + cx->i2c_algo_cb_data[i].bus_index = i; + cx->i2c_algo[i].data = &cx->i2c_algo_cb_data[i]; + + /* Setup adapter */ + cx->i2c_adap[i] = cx18_i2c_adap_template; + cx->i2c_adap[i].algo_data = &cx->i2c_algo[i]; + sprintf(cx->i2c_adap[i].name + strlen(cx->i2c_adap[i].name), + " #%d-%d", cx->instance, i); + i2c_set_adapdata(&cx->i2c_adap[i], &cx->v4l2_dev); + cx->i2c_adap[i].dev.parent = &cx->pci_dev->dev; + } + + if (cx18_read_reg(cx, CX18_REG_I2C_2_WR) != 0x0003c02f) { + /* Reset/Unreset I2C hardware block */ + /* Clock select 220MHz */ + cx18_write_reg_expect(cx, 0x10000000, 0xc71004, + 0x00000000, 0x10001000); + /* Clock Enable */ + cx18_write_reg_expect(cx, 0x10001000, 0xc71024, + 0x00001000, 0x10001000); + } + /* courtesy of Steven Toth <stoth@hauppauge.com> */ + cx18_write_reg_expect(cx, 0x00c00000, 0xc7001c, 0x00000000, 0x00c000c0); + mdelay(10); + cx18_write_reg_expect(cx, 0x00c000c0, 0xc7001c, 0x000000c0, 0x00c000c0); + mdelay(10); + cx18_write_reg_expect(cx, 0x00c00000, 0xc7001c, 0x00000000, 0x00c000c0); + mdelay(10); + + /* Set to edge-triggered intrs. */ + cx18_write_reg(cx, 0x00c00000, 0xc730c8); + /* Clear any stale intrs */ + cx18_write_reg_expect(cx, HW2_I2C1_INT|HW2_I2C2_INT, HW2_INT_CLR_STATUS, + ~(HW2_I2C1_INT|HW2_I2C2_INT), HW2_I2C1_INT|HW2_I2C2_INT); + + /* Hw I2C1 Clock Freq ~100kHz */ + cx18_write_reg(cx, 0x00021c0f & ~4, CX18_REG_I2C_1_WR); + cx18_setscl(&cx->i2c_algo_cb_data[0], 1); + cx18_setsda(&cx->i2c_algo_cb_data[0], 1); + + /* Hw I2C2 Clock Freq ~100kHz */ + cx18_write_reg(cx, 0x00021c0f & ~4, CX18_REG_I2C_2_WR); + cx18_setscl(&cx->i2c_algo_cb_data[1], 1); + cx18_setsda(&cx->i2c_algo_cb_data[1], 1); + + cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL, + core, reset, (u32) CX18_GPIO_RESET_I2C); + + err = i2c_bit_add_bus(&cx->i2c_adap[0]); + if (err) + goto err; + err = i2c_bit_add_bus(&cx->i2c_adap[1]); + if (err) + goto err_del_bus_0; + return 0; + + err_del_bus_0: + i2c_del_adapter(&cx->i2c_adap[0]); + err: + return err; +} + +void exit_cx18_i2c(struct cx18 *cx) +{ + int i; + CX18_DEBUG_I2C("i2c exit\n"); + cx18_write_reg(cx, cx18_read_reg(cx, CX18_REG_I2C_1_WR) | 4, + CX18_REG_I2C_1_WR); + cx18_write_reg(cx, cx18_read_reg(cx, CX18_REG_I2C_2_WR) | 4, + CX18_REG_I2C_2_WR); + + for (i = 0; i < 2; i++) { + i2c_del_adapter(&cx->i2c_adap[i]); + } +} + +/* + Hauppauge HVR1600 should have: + 32 cx24227 + 98 unknown + a0 eeprom + c2 tuner + e? zilog ir + */ diff --git a/drivers/media/pci/cx18/cx18-i2c.h b/drivers/media/pci/cx18/cx18-i2c.h new file mode 100644 index 0000000..1180fdc --- /dev/null +++ b/drivers/media/pci/cx18/cx18-i2c.h @@ -0,0 +1,29 @@ +/* + * cx18 I2C functions + * + * Derived from ivtv-i2c.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +int cx18_i2c_register(struct cx18 *cx, unsigned idx); +struct v4l2_subdev *cx18_find_hw(struct cx18 *cx, u32 hw); + +/* init + register i2c adapter */ +int init_cx18_i2c(struct cx18 *cx); +void exit_cx18_i2c(struct cx18 *cx); diff --git a/drivers/media/pci/cx18/cx18-io.c b/drivers/media/pci/cx18/cx18-io.c new file mode 100644 index 0000000..49b9dbd --- /dev/null +++ b/drivers/media/pci/cx18/cx18-io.c @@ -0,0 +1,97 @@ +/* + * cx18 driver PCI memory mapped IO access routines + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-io.h" +#include "cx18-irq.h" + +void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count) +{ + u8 __iomem *dst = addr; + u16 val2 = val | (val << 8); + u32 val4 = val2 | (val2 << 16); + + /* Align writes on the CX23418's addresses */ + if ((count > 0) && ((unsigned long)dst & 1)) { + cx18_writeb(cx, (u8) val, dst); + count--; + dst++; + } + if ((count > 1) && ((unsigned long)dst & 2)) { + cx18_writew(cx, val2, dst); + count -= 2; + dst += 2; + } + while (count > 3) { + cx18_writel(cx, val4, dst); + count -= 4; + dst += 4; + } + if (count > 1) { + cx18_writew(cx, val2, dst); + count -= 2; + dst += 2; + } + if (count > 0) + cx18_writeb(cx, (u8) val, dst); +} + +void cx18_sw1_irq_enable(struct cx18 *cx, u32 val) +{ + cx18_write_reg_expect(cx, val, SW1_INT_STATUS, ~val, val); + cx->sw1_irq_mask = cx18_read_reg(cx, SW1_INT_ENABLE_PCI) | val; + cx18_write_reg(cx, cx->sw1_irq_mask, SW1_INT_ENABLE_PCI); +} + +void cx18_sw1_irq_disable(struct cx18 *cx, u32 val) +{ + cx->sw1_irq_mask = cx18_read_reg(cx, SW1_INT_ENABLE_PCI) & ~val; + cx18_write_reg(cx, cx->sw1_irq_mask, SW1_INT_ENABLE_PCI); +} + +void cx18_sw2_irq_enable(struct cx18 *cx, u32 val) +{ + cx18_write_reg_expect(cx, val, SW2_INT_STATUS, ~val, val); + cx->sw2_irq_mask = cx18_read_reg(cx, SW2_INT_ENABLE_PCI) | val; + cx18_write_reg(cx, cx->sw2_irq_mask, SW2_INT_ENABLE_PCI); +} + +void cx18_sw2_irq_disable(struct cx18 *cx, u32 val) +{ + cx->sw2_irq_mask = cx18_read_reg(cx, SW2_INT_ENABLE_PCI) & ~val; + cx18_write_reg(cx, cx->sw2_irq_mask, SW2_INT_ENABLE_PCI); +} + +void cx18_sw2_irq_disable_cpu(struct cx18 *cx, u32 val) +{ + u32 r; + r = cx18_read_reg(cx, SW2_INT_ENABLE_CPU); + cx18_write_reg(cx, r & ~val, SW2_INT_ENABLE_CPU); +} + +void cx18_setup_page(struct cx18 *cx, u32 addr) +{ + u32 val; + val = cx18_read_reg(cx, 0xD000F8); + val = (val & ~0x1f00) | ((addr >> 17) & 0x1f00); + cx18_write_reg(cx, val, 0xD000F8); +} diff --git a/drivers/media/pci/cx18/cx18-io.h b/drivers/media/pci/cx18/cx18-io.h new file mode 100644 index 0000000..18974d8 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-io.h @@ -0,0 +1,191 @@ +/* + * cx18 driver PCI memory mapped IO access routines + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#ifndef CX18_IO_H +#define CX18_IO_H + +#include "cx18-driver.h" + +/* + * Readback and retry of MMIO access for reliability: + * The concept was suggested by Steve Toth <stoth@linuxtv.org>. + * The implmentation is the fault of Andy Walls <awalls@md.metrocast.net>. + * + * *write* functions are implied to retry the mmio unless suffixed with _noretry + * *read* functions never retry the mmio (it never helps to do so) + */ + +/* Non byteswapping memory mapped IO */ +static inline u32 cx18_raw_readl(struct cx18 *cx, const void __iomem *addr) +{ + return __raw_readl(addr); +} + +static inline +void cx18_raw_writel_noretry(struct cx18 *cx, u32 val, void __iomem *addr) +{ + __raw_writel(val, addr); +} + +static inline void cx18_raw_writel(struct cx18 *cx, u32 val, void __iomem *addr) +{ + int i; + for (i = 0; i < CX18_MAX_MMIO_WR_RETRIES; i++) { + cx18_raw_writel_noretry(cx, val, addr); + if (val == cx18_raw_readl(cx, addr)) + break; + } +} + +/* Normal memory mapped IO */ +static inline u32 cx18_readl(struct cx18 *cx, const void __iomem *addr) +{ + return readl(addr); +} + +static inline +void cx18_writel_noretry(struct cx18 *cx, u32 val, void __iomem *addr) +{ + writel(val, addr); +} + +static inline void cx18_writel(struct cx18 *cx, u32 val, void __iomem *addr) +{ + int i; + for (i = 0; i < CX18_MAX_MMIO_WR_RETRIES; i++) { + cx18_writel_noretry(cx, val, addr); + if (val == cx18_readl(cx, addr)) + break; + } +} + +static inline +void cx18_writel_expect(struct cx18 *cx, u32 val, void __iomem *addr, + u32 eval, u32 mask) +{ + int i; + u32 r; + eval &= mask; + for (i = 0; i < CX18_MAX_MMIO_WR_RETRIES; i++) { + cx18_writel_noretry(cx, val, addr); + r = cx18_readl(cx, addr); + if (r == 0xffffffff && eval != 0xffffffff) + continue; + if (eval == (r & mask)) + break; + } +} + +static inline u16 cx18_readw(struct cx18 *cx, const void __iomem *addr) +{ + return readw(addr); +} + +static inline +void cx18_writew_noretry(struct cx18 *cx, u16 val, void __iomem *addr) +{ + writew(val, addr); +} + +static inline void cx18_writew(struct cx18 *cx, u16 val, void __iomem *addr) +{ + int i; + for (i = 0; i < CX18_MAX_MMIO_WR_RETRIES; i++) { + cx18_writew_noretry(cx, val, addr); + if (val == cx18_readw(cx, addr)) + break; + } +} + +static inline u8 cx18_readb(struct cx18 *cx, const void __iomem *addr) +{ + return readb(addr); +} + +static inline +void cx18_writeb_noretry(struct cx18 *cx, u8 val, void __iomem *addr) +{ + writeb(val, addr); +} + +static inline void cx18_writeb(struct cx18 *cx, u8 val, void __iomem *addr) +{ + int i; + for (i = 0; i < CX18_MAX_MMIO_WR_RETRIES; i++) { + cx18_writeb_noretry(cx, val, addr); + if (val == cx18_readb(cx, addr)) + break; + } +} + +static inline +void cx18_memcpy_fromio(struct cx18 *cx, void *to, + const void __iomem *from, unsigned int len) +{ + memcpy_fromio(to, from, len); +} + +void cx18_memset_io(struct cx18 *cx, void __iomem *addr, int val, size_t count); + + +/* Access "register" region of CX23418 memory mapped I/O */ +static inline void cx18_write_reg_noretry(struct cx18 *cx, u32 val, u32 reg) +{ + cx18_writel_noretry(cx, val, cx->reg_mem + reg); +} + +static inline void cx18_write_reg(struct cx18 *cx, u32 val, u32 reg) +{ + cx18_writel(cx, val, cx->reg_mem + reg); +} + +static inline void cx18_write_reg_expect(struct cx18 *cx, u32 val, u32 reg, + u32 eval, u32 mask) +{ + cx18_writel_expect(cx, val, cx->reg_mem + reg, eval, mask); +} + +static inline u32 cx18_read_reg(struct cx18 *cx, u32 reg) +{ + return cx18_readl(cx, cx->reg_mem + reg); +} + + +/* Access "encoder memory" region of CX23418 memory mapped I/O */ +static inline void cx18_write_enc(struct cx18 *cx, u32 val, u32 addr) +{ + cx18_writel(cx, val, cx->enc_mem + addr); +} + +static inline u32 cx18_read_enc(struct cx18 *cx, u32 addr) +{ + return cx18_readl(cx, cx->enc_mem + addr); +} + +void cx18_sw1_irq_enable(struct cx18 *cx, u32 val); +void cx18_sw1_irq_disable(struct cx18 *cx, u32 val); +void cx18_sw2_irq_enable(struct cx18 *cx, u32 val); +void cx18_sw2_irq_disable(struct cx18 *cx, u32 val); +void cx18_sw2_irq_disable_cpu(struct cx18 *cx, u32 val); +void cx18_setup_page(struct cx18 *cx, u32 addr); + +#endif /* CX18_IO_H */ diff --git a/drivers/media/pci/cx18/cx18-ioctl.c b/drivers/media/pci/cx18/cx18-ioctl.c new file mode 100644 index 0000000..c1eba53 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-ioctl.c @@ -0,0 +1,1182 @@ +/* + * cx18 ioctl system call + * + * Derived from ivtv-ioctl.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-io.h" +#include "cx18-version.h" +#include "cx18-mailbox.h" +#include "cx18-i2c.h" +#include "cx18-queue.h" +#include "cx18-fileops.h" +#include "cx18-vbi.h" +#include "cx18-audio.h" +#include "cx18-video.h" +#include "cx18-streams.h" +#include "cx18-ioctl.h" +#include "cx18-gpio.h" +#include "cx18-controls.h" +#include "cx18-cards.h" +#include "cx18-av-core.h" +#include <media/tveeprom.h> +#include <media/v4l2-chip-ident.h> + +u16 cx18_service2vbi(int type) +{ + switch (type) { + case V4L2_SLICED_TELETEXT_B: + return CX18_SLICED_TYPE_TELETEXT_B; + case V4L2_SLICED_CAPTION_525: + return CX18_SLICED_TYPE_CAPTION_525; + case V4L2_SLICED_WSS_625: + return CX18_SLICED_TYPE_WSS_625; + case V4L2_SLICED_VPS: + return CX18_SLICED_TYPE_VPS; + default: + return 0; + } +} + +/* Check if VBI services are allowed on the (field, line) for the video std */ +static int valid_service_line(int field, int line, int is_pal) +{ + return (is_pal && line >= 6 && + ((field == 0 && line <= 23) || (field == 1 && line <= 22))) || + (!is_pal && line >= 10 && line < 22); +} + +/* + * For a (field, line, std) and inbound potential set of services for that line, + * return the first valid service of those passed in the incoming set for that + * line in priority order: + * CC, VPS, or WSS over TELETEXT for well known lines + * TELETEXT, before VPS, before CC, before WSS, for other lines + */ +static u16 select_service_from_set(int field, int line, u16 set, int is_pal) +{ + u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525); + int i; + + set = set & valid_set; + if (set == 0 || !valid_service_line(field, line, is_pal)) + return 0; + if (!is_pal) { + if (line == 21 && (set & V4L2_SLICED_CAPTION_525)) + return V4L2_SLICED_CAPTION_525; + } else { + if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS)) + return V4L2_SLICED_VPS; + if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625)) + return V4L2_SLICED_WSS_625; + if (line == 23) + return 0; + } + for (i = 0; i < 32; i++) { + if ((1 << i) & set) + return 1 << i; + } + return 0; +} + +/* + * Expand the service_set of *fmt into valid service_lines for the std, + * and clear the passed in fmt->service_set + */ +void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) +{ + u16 set = fmt->service_set; + int f, l; + + fmt->service_set = 0; + for (f = 0; f < 2; f++) { + for (l = 0; l < 24; l++) + fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal); + } +} + +/* + * Sanitize the service_lines in *fmt per the video std, and return 1 + * if any service_line is left as valid after santization + */ +static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) +{ + int f, l; + u16 set = 0; + + for (f = 0; f < 2; f++) { + for (l = 0; l < 24; l++) { + fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal); + set |= fmt->service_lines[f][l]; + } + } + return set != 0; +} + +/* Compute the service_set from the assumed valid service_lines of *fmt */ +u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt) +{ + int f, l; + u16 set = 0; + + for (f = 0; f < 2; f++) { + for (l = 0; l < 24; l++) + set |= fmt->service_lines[f][l]; + } + return set; +} + +static int cx18_g_fmt_vid_cap(struct file *file, void *fh, + struct v4l2_format *fmt) +{ + struct cx18_open_id *id = fh2id(fh); + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; + + pixfmt->width = cx->cxhdl.width; + pixfmt->height = cx->cxhdl.height; + pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M; + pixfmt->field = V4L2_FIELD_INTERLACED; + pixfmt->priv = 0; + if (id->type == CX18_ENC_STREAM_TYPE_YUV) { + pixfmt->pixelformat = s->pixelformat; + pixfmt->sizeimage = s->vb_bytes_per_frame; + pixfmt->bytesperline = 720; + } else { + pixfmt->pixelformat = V4L2_PIX_FMT_MPEG; + pixfmt->sizeimage = 128 * 1024; + pixfmt->bytesperline = 0; + } + return 0; +} + +static int cx18_g_fmt_vbi_cap(struct file *file, void *fh, + struct v4l2_format *fmt) +{ + struct cx18 *cx = fh2id(fh)->cx; + struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi; + + vbifmt->sampling_rate = 27000000; + vbifmt->offset = 248; /* FIXME - slightly wrong for both 50 & 60 Hz */ + vbifmt->samples_per_line = vbi_active_samples - 4; + vbifmt->sample_format = V4L2_PIX_FMT_GREY; + vbifmt->start[0] = cx->vbi.start[0]; + vbifmt->start[1] = cx->vbi.start[1]; + vbifmt->count[0] = vbifmt->count[1] = cx->vbi.count; + vbifmt->flags = 0; + vbifmt->reserved[0] = 0; + vbifmt->reserved[1] = 0; + return 0; +} + +static int cx18_g_fmt_sliced_vbi_cap(struct file *file, void *fh, + struct v4l2_format *fmt) +{ + struct cx18 *cx = fh2id(fh)->cx; + struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; + + /* sane, V4L2 spec compliant, defaults */ + vbifmt->reserved[0] = 0; + vbifmt->reserved[1] = 0; + vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36; + memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines)); + vbifmt->service_set = 0; + + /* + * Fetch the configured service_lines and total service_set from the + * digitizer/slicer. Note, cx18_av_vbi() wipes the passed in + * fmt->fmt.sliced under valid calling conditions + */ + if (v4l2_subdev_call(cx->sd_av, vbi, g_sliced_fmt, &fmt->fmt.sliced)) + return -EINVAL; + + vbifmt->service_set = cx18_get_service_set(vbifmt); + return 0; +} + +static int cx18_try_fmt_vid_cap(struct file *file, void *fh, + struct v4l2_format *fmt) +{ + struct cx18_open_id *id = fh2id(fh); + struct cx18 *cx = id->cx; + int w = fmt->fmt.pix.width; + int h = fmt->fmt.pix.height; + int min_h = 2; + + w = min(w, 720); + w = max(w, 2); + if (id->type == CX18_ENC_STREAM_TYPE_YUV) { + /* YUV height must be a multiple of 32 */ + h &= ~0x1f; + min_h = 32; + } + h = min(h, cx->is_50hz ? 576 : 480); + h = max(h, min_h); + + fmt->fmt.pix.width = w; + fmt->fmt.pix.height = h; + return 0; +} + +static int cx18_try_fmt_vbi_cap(struct file *file, void *fh, + struct v4l2_format *fmt) +{ + return cx18_g_fmt_vbi_cap(file, fh, fmt); +} + +static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh, + struct v4l2_format *fmt) +{ + struct cx18 *cx = fh2id(fh)->cx; + struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; + + vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36; + vbifmt->reserved[0] = 0; + vbifmt->reserved[1] = 0; + + /* If given a service set, expand it validly & clear passed in set */ + if (vbifmt->service_set) + cx18_expand_service_set(vbifmt, cx->is_50hz); + /* Sanitize the service_lines, and compute the new set if any valid */ + if (check_service_set(vbifmt, cx->is_50hz)) + vbifmt->service_set = cx18_get_service_set(vbifmt); + return 0; +} + +static int cx18_s_fmt_vid_cap(struct file *file, void *fh, + struct v4l2_format *fmt) +{ + struct cx18_open_id *id = fh2id(fh); + struct cx18 *cx = id->cx; + struct v4l2_mbus_framefmt mbus_fmt; + struct cx18_stream *s = &cx->streams[id->type]; + int ret; + int w, h; + + ret = cx18_try_fmt_vid_cap(file, fh, fmt); + if (ret) + return ret; + w = fmt->fmt.pix.width; + h = fmt->fmt.pix.height; + + if (cx->cxhdl.width == w && cx->cxhdl.height == h && + s->pixelformat == fmt->fmt.pix.pixelformat) + return 0; + + if (atomic_read(&cx->ana_capturing) > 0) + return -EBUSY; + + s->pixelformat = fmt->fmt.pix.pixelformat; + /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2))) + UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */ + if (s->pixelformat == V4L2_PIX_FMT_HM12) + s->vb_bytes_per_frame = h * 720 * 3 / 2; + else + s->vb_bytes_per_frame = h * 720 * 2; + + mbus_fmt.width = cx->cxhdl.width = w; + mbus_fmt.height = cx->cxhdl.height = h; + mbus_fmt.code = V4L2_MBUS_FMT_FIXED; + v4l2_subdev_call(cx->sd_av, video, s_mbus_fmt, &mbus_fmt); + return cx18_g_fmt_vid_cap(file, fh, fmt); +} + +static int cx18_s_fmt_vbi_cap(struct file *file, void *fh, + struct v4l2_format *fmt) +{ + struct cx18_open_id *id = fh2id(fh); + struct cx18 *cx = id->cx; + int ret; + + /* + * Changing the Encoder's Raw VBI parameters won't have any effect + * if any analog capture is ongoing + */ + if (!cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0) + return -EBUSY; + + /* + * Set the digitizer registers for raw active VBI. + * Note cx18_av_vbi_wipes out a lot of the passed in fmt under valid + * calling conditions + */ + ret = v4l2_subdev_call(cx->sd_av, vbi, s_raw_fmt, &fmt->fmt.vbi); + if (ret) + return ret; + + /* Store our new v4l2 (non-)sliced VBI state */ + cx->vbi.sliced_in->service_set = 0; + cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE; + + return cx18_g_fmt_vbi_cap(file, fh, fmt); +} + +static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh, + struct v4l2_format *fmt) +{ + struct cx18_open_id *id = fh2id(fh); + struct cx18 *cx = id->cx; + int ret; + struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; + + cx18_try_fmt_sliced_vbi_cap(file, fh, fmt); + + /* + * Changing the Encoder's Raw VBI parameters won't have any effect + * if any analog capture is ongoing + */ + if (cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0) + return -EBUSY; + + /* + * Set the service_lines requested in the digitizer/slicer registers. + * Note, cx18_av_vbi() wipes some "impossible" service lines in the + * passed in fmt->fmt.sliced under valid calling conditions + */ + ret = v4l2_subdev_call(cx->sd_av, vbi, s_sliced_fmt, &fmt->fmt.sliced); + if (ret) + return ret; + /* Store our current v4l2 sliced VBI settings */ + cx->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE; + memcpy(cx->vbi.sliced_in, vbifmt, sizeof(*cx->vbi.sliced_in)); + return 0; +} + +static int cx18_g_chip_ident(struct file *file, void *fh, + struct v4l2_dbg_chip_ident *chip) +{ + struct cx18 *cx = fh2id(fh)->cx; + int err = 0; + + chip->ident = V4L2_IDENT_NONE; + chip->revision = 0; + switch (chip->match.type) { + case V4L2_CHIP_MATCH_HOST: + switch (chip->match.addr) { + case 0: + chip->ident = V4L2_IDENT_CX23418; + chip->revision = cx18_read_reg(cx, 0xC72028); + break; + case 1: + /* + * The A/V decoder is always present, but in the rare + * case that the card doesn't have analog, we don't + * use it. We find it w/o using the cx->sd_av pointer + */ + cx18_call_hw(cx, CX18_HW_418_AV, + core, g_chip_ident, chip); + break; + default: + /* + * Could return ident = V4L2_IDENT_UNKNOWN if we had + * other host chips at higher addresses, but we don't + */ + err = -EINVAL; /* per V4L2 spec */ + break; + } + break; + case V4L2_CHIP_MATCH_I2C_DRIVER: + /* If needed, returns V4L2_IDENT_AMBIGUOUS without extra work */ + cx18_call_all(cx, core, g_chip_ident, chip); + break; + case V4L2_CHIP_MATCH_I2C_ADDR: + /* + * We could return V4L2_IDENT_UNKNOWN, but we don't do the work + * to look if a chip is at the address with no driver. That's a + * dangerous thing to do with EEPROMs anyway. + */ + cx18_call_all(cx, core, g_chip_ident, chip); + break; + default: + err = -EINVAL; + break; + } + return err; +} + +#ifdef CPTCFG_VIDEO_ADV_DEBUG +static int cx18_g_register(struct file *file, void *fh, + struct v4l2_dbg_register *reg) +{ + struct cx18 *cx = fh2id(fh)->cx; + + if (v4l2_chip_match_host(®->match)) { + if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE) + return -EINVAL; + reg->size = 4; + reg->val = cx18_read_enc(cx, reg->reg); + return 0; + } + /* FIXME - errors shouldn't be ignored */ + cx18_call_all(cx, core, g_register, reg); + return 0; +} + +static int cx18_s_register(struct file *file, void *fh, + const struct v4l2_dbg_register *reg) +{ + struct cx18 *cx = fh2id(fh)->cx; + + if (v4l2_chip_match_host(®->match)) { + if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE) + return -EINVAL; + cx18_write_enc(cx, reg->val, reg->reg); + return 0; + } + /* FIXME - errors shouldn't be ignored */ + cx18_call_all(cx, core, s_register, reg); + return 0; +} +#endif + +static int cx18_querycap(struct file *file, void *fh, + struct v4l2_capability *vcap) +{ + struct cx18_open_id *id = fh2id(fh); + struct cx18 *cx = id->cx; + + strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver)); + strlcpy(vcap->card, cx->card_name, sizeof(vcap->card)); + snprintf(vcap->bus_info, sizeof(vcap->bus_info), + "PCI:%s", pci_name(cx->pci_dev)); + vcap->capabilities = cx->v4l2_cap; /* capabilities */ + if (id->type == CX18_ENC_STREAM_TYPE_YUV) + vcap->capabilities |= V4L2_CAP_STREAMING; + return 0; +} + +static int cx18_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin) +{ + struct cx18 *cx = fh2id(fh)->cx; + + return cx18_get_audio_input(cx, vin->index, vin); +} + +static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin) +{ + struct cx18 *cx = fh2id(fh)->cx; + + vin->index = cx->audio_input; + return cx18_get_audio_input(cx, vin->index, vin); +} + +static int cx18_s_audio(struct file *file, void *fh, const struct v4l2_audio *vout) +{ + struct cx18 *cx = fh2id(fh)->cx; + + if (vout->index >= cx->nof_audio_inputs) + return -EINVAL; + cx->audio_input = vout->index; + cx18_audio_set_io(cx); + return 0; +} + +static int cx18_enum_input(struct file *file, void *fh, struct v4l2_input *vin) +{ + struct cx18 *cx = fh2id(fh)->cx; + + /* set it to defaults from our table */ + return cx18_get_input(cx, vin->index, vin); +} + +static int cx18_cropcap(struct file *file, void *fh, + struct v4l2_cropcap *cropcap) +{ + struct cx18 *cx = fh2id(fh)->cx; + + if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + cropcap->bounds.top = cropcap->bounds.left = 0; + cropcap->bounds.width = 720; + cropcap->bounds.height = cx->is_50hz ? 576 : 480; + cropcap->pixelaspect.numerator = cx->is_50hz ? 59 : 10; + cropcap->pixelaspect.denominator = cx->is_50hz ? 54 : 11; + cropcap->defrect = cropcap->bounds; + return 0; +} + +static int cx18_s_crop(struct file *file, void *fh, const struct v4l2_crop *crop) +{ + struct cx18_open_id *id = fh2id(fh); + struct cx18 *cx = id->cx; + + if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + CX18_DEBUG_WARN("VIDIOC_S_CROP not implemented\n"); + return -EINVAL; +} + +static int cx18_g_crop(struct file *file, void *fh, struct v4l2_crop *crop) +{ + struct cx18 *cx = fh2id(fh)->cx; + + if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + CX18_DEBUG_WARN("VIDIOC_G_CROP not implemented\n"); + return -EINVAL; +} + +static int cx18_enum_fmt_vid_cap(struct file *file, void *fh, + struct v4l2_fmtdesc *fmt) +{ + static const struct v4l2_fmtdesc formats[] = { + { 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0, + "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 } + }, + { 1, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FMT_FLAG_COMPRESSED, + "MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 } + }, + { 2, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0, + "UYVY 4:2:2", V4L2_PIX_FMT_UYVY, { 0, 0, 0, 0 } + }, + }; + + if (fmt->index > ARRAY_SIZE(formats) - 1) + return -EINVAL; + *fmt = formats[fmt->index]; + return 0; +} + +static int cx18_g_input(struct file *file, void *fh, unsigned int *i) +{ + struct cx18 *cx = fh2id(fh)->cx; + + *i = cx->active_input; + return 0; +} + +int cx18_s_input(struct file *file, void *fh, unsigned int inp) +{ + struct cx18_open_id *id = fh2id(fh); + struct cx18 *cx = id->cx; + + if (inp >= cx->nof_inputs) + return -EINVAL; + + if (inp == cx->active_input) { + CX18_DEBUG_INFO("Input unchanged\n"); + return 0; + } + + CX18_DEBUG_INFO("Changing input from %d to %d\n", + cx->active_input, inp); + + cx->active_input = inp; + /* Set the audio input to whatever is appropriate for the input type. */ + cx->audio_input = cx->card->video_inputs[inp].audio_index; + + /* prevent others from messing with the streams until + we're finished changing inputs. */ + cx18_mute(cx); + cx18_video_set_io(cx); + cx18_audio_set_io(cx); + cx18_unmute(cx); + return 0; +} + +static int cx18_g_frequency(struct file *file, void *fh, + struct v4l2_frequency *vf) +{ + struct cx18 *cx = fh2id(fh)->cx; + + if (vf->tuner != 0) + return -EINVAL; + + cx18_call_all(cx, tuner, g_frequency, vf); + return 0; +} + +int cx18_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *vf) +{ + struct cx18_open_id *id = fh2id(fh); + struct cx18 *cx = id->cx; + + if (vf->tuner != 0) + return -EINVAL; + + cx18_mute(cx); + CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency); + cx18_call_all(cx, tuner, s_frequency, vf); + cx18_unmute(cx); + return 0; +} + +static int cx18_g_std(struct file *file, void *fh, v4l2_std_id *std) +{ + struct cx18 *cx = fh2id(fh)->cx; + + *std = cx->std; + return 0; +} + +int cx18_s_std(struct file *file, void *fh, v4l2_std_id std) +{ + struct cx18_open_id *id = fh2id(fh); + struct cx18 *cx = id->cx; + + if ((std & V4L2_STD_ALL) == 0) + return -EINVAL; + + if (std == cx->std) + return 0; + + if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) || + atomic_read(&cx->ana_capturing) > 0) { + /* Switching standard would turn off the radio or mess + with already running streams, prevent that by + returning EBUSY. */ + return -EBUSY; + } + + cx->std = std; + cx->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0; + cx->is_50hz = !cx->is_60hz; + cx2341x_handler_set_50hz(&cx->cxhdl, cx->is_50hz); + cx->cxhdl.width = 720; + cx->cxhdl.height = cx->is_50hz ? 576 : 480; + cx->vbi.count = cx->is_50hz ? 18 : 12; + cx->vbi.start[0] = cx->is_50hz ? 6 : 10; + cx->vbi.start[1] = cx->is_50hz ? 318 : 273; + CX18_DEBUG_INFO("Switching standard to %llx.\n", + (unsigned long long) cx->std); + + /* Tuner */ + cx18_call_all(cx, core, s_std, cx->std); + return 0; +} + +static int cx18_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *vt) +{ + struct cx18_open_id *id = fh2id(fh); + struct cx18 *cx = id->cx; + + if (vt->index != 0) + return -EINVAL; + + cx18_call_all(cx, tuner, s_tuner, vt); + return 0; +} + +static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt) +{ + struct cx18 *cx = fh2id(fh)->cx; + + if (vt->index != 0) + return -EINVAL; + + cx18_call_all(cx, tuner, g_tuner, vt); + + if (vt->type == V4L2_TUNER_RADIO) + strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name)); + else + strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name)); + return 0; +} + +static int cx18_g_sliced_vbi_cap(struct file *file, void *fh, + struct v4l2_sliced_vbi_cap *cap) +{ + struct cx18 *cx = fh2id(fh)->cx; + int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525; + int f, l; + + if (cap->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) + return -EINVAL; + + cap->service_set = 0; + for (f = 0; f < 2; f++) { + for (l = 0; l < 24; l++) { + if (valid_service_line(f, l, cx->is_50hz)) { + /* + * We can find all v4l2 supported vbi services + * for the standard, on a valid line for the std + */ + cap->service_lines[f][l] = set; + cap->service_set |= set; + } else + cap->service_lines[f][l] = 0; + } + } + for (f = 0; f < 3; f++) + cap->reserved[f] = 0; + return 0; +} + +static int _cx18_process_idx_data(struct cx18_buffer *buf, + struct v4l2_enc_idx *idx) +{ + int consumed, remaining; + struct v4l2_enc_idx_entry *e_idx; + struct cx18_enc_idx_entry *e_buf; + + /* Frame type lookup: 1=I, 2=P, 4=B */ + const int mapping[8] = { + -1, V4L2_ENC_IDX_FRAME_I, V4L2_ENC_IDX_FRAME_P, + -1, V4L2_ENC_IDX_FRAME_B, -1, -1, -1 + }; + + /* + * Assumption here is that a buf holds an integral number of + * struct cx18_enc_idx_entry objects and is properly aligned. + * This is enforced by the module options on IDX buffer sizes. + */ + remaining = buf->bytesused - buf->readpos; + consumed = 0; + e_idx = &idx->entry[idx->entries]; + e_buf = (struct cx18_enc_idx_entry *) &buf->buf[buf->readpos]; + + while (remaining >= sizeof(struct cx18_enc_idx_entry) && + idx->entries < V4L2_ENC_IDX_ENTRIES) { + + e_idx->offset = (((u64) le32_to_cpu(e_buf->offset_high)) << 32) + | le32_to_cpu(e_buf->offset_low); + + e_idx->pts = (((u64) (le32_to_cpu(e_buf->pts_high) & 1)) << 32) + | le32_to_cpu(e_buf->pts_low); + + e_idx->length = le32_to_cpu(e_buf->length); + + e_idx->flags = mapping[le32_to_cpu(e_buf->flags) & 0x7]; + + e_idx->reserved[0] = 0; + e_idx->reserved[1] = 0; + + idx->entries++; + e_idx = &idx->entry[idx->entries]; + e_buf++; + + remaining -= sizeof(struct cx18_enc_idx_entry); + consumed += sizeof(struct cx18_enc_idx_entry); + } + + /* Swallow any partial entries at the end, if there are any */ + if (remaining > 0 && remaining < sizeof(struct cx18_enc_idx_entry)) + consumed += remaining; + + buf->readpos += consumed; + return consumed; +} + +static int cx18_process_idx_data(struct cx18_stream *s, struct cx18_mdl *mdl, + struct v4l2_enc_idx *idx) +{ + if (s->type != CX18_ENC_STREAM_TYPE_IDX) + return -EINVAL; + + if (mdl->curr_buf == NULL) + mdl->curr_buf = list_first_entry(&mdl->buf_list, + struct cx18_buffer, list); + + if (list_entry_is_past_end(mdl->curr_buf, &mdl->buf_list, list)) { + /* + * For some reason we've exhausted the buffers, but the MDL + * object still said some data was unread. + * Fix that and bail out. + */ + mdl->readpos = mdl->bytesused; + return 0; + } + + list_for_each_entry_from(mdl->curr_buf, &mdl->buf_list, list) { + + /* Skip any empty buffers in the MDL */ + if (mdl->curr_buf->readpos >= mdl->curr_buf->bytesused) + continue; + + mdl->readpos += _cx18_process_idx_data(mdl->curr_buf, idx); + + /* exit when MDL drained or request satisfied */ + if (idx->entries >= V4L2_ENC_IDX_ENTRIES || + mdl->curr_buf->readpos < mdl->curr_buf->bytesused || + mdl->readpos >= mdl->bytesused) + break; + } + return 0; +} + +static int cx18_g_enc_index(struct file *file, void *fh, + struct v4l2_enc_idx *idx) +{ + struct cx18 *cx = fh2id(fh)->cx; + struct cx18_stream *s = &cx->streams[CX18_ENC_STREAM_TYPE_IDX]; + s32 tmp; + struct cx18_mdl *mdl; + + if (!cx18_stream_enabled(s)) /* Module options inhibited IDX stream */ + return -EINVAL; + + /* Compute the best case number of entries we can buffer */ + tmp = s->buffers - + s->bufs_per_mdl * CX18_ENC_STREAM_TYPE_IDX_FW_MDL_MIN; + if (tmp <= 0) + tmp = 1; + tmp = tmp * s->buf_size / sizeof(struct cx18_enc_idx_entry); + + /* Fill out the header of the return structure */ + idx->entries = 0; + idx->entries_cap = tmp; + memset(idx->reserved, 0, sizeof(idx->reserved)); + + /* Pull IDX MDLs and buffers from q_full and populate the entries */ + do { + mdl = cx18_dequeue(s, &s->q_full); + if (mdl == NULL) /* No more IDX data right now */ + break; + + /* Extract the Index entry data from the MDL and buffers */ + cx18_process_idx_data(s, mdl, idx); + if (mdl->readpos < mdl->bytesused) { + /* We finished with data remaining, push the MDL back */ + cx18_push(s, mdl, &s->q_full); + break; + } + + /* We drained this MDL, schedule it to go to the firmware */ + cx18_enqueue(s, mdl, &s->q_free); + + } while (idx->entries < V4L2_ENC_IDX_ENTRIES); + + /* Tell the work handler to send free IDX MDLs to the firmware */ + cx18_stream_load_fw_queue(s); + return 0; +} + +static struct videobuf_queue *cx18_vb_queue(struct cx18_open_id *id) +{ + struct videobuf_queue *q = NULL; + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + + switch (s->vb_type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + q = &s->vbuf_q; + break; + case V4L2_BUF_TYPE_VBI_CAPTURE: + break; + default: + break; + } + return q; +} + +static int cx18_streamon(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct cx18_open_id *id = file->private_data; + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + + /* Start the hardware only if we're the video device */ + if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && + (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE)) + return -EINVAL; + + if (id->type != CX18_ENC_STREAM_TYPE_YUV) + return -EINVAL; + + /* Establish a buffer timeout */ + mod_timer(&s->vb_timeout, msecs_to_jiffies(2000) + jiffies); + + return videobuf_streamon(cx18_vb_queue(id)); +} + +static int cx18_streamoff(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct cx18_open_id *id = file->private_data; + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + + /* Start the hardware only if we're the video device */ + if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && + (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE)) + return -EINVAL; + + if (id->type != CX18_ENC_STREAM_TYPE_YUV) + return -EINVAL; + + return videobuf_streamoff(cx18_vb_queue(id)); +} + +static int cx18_reqbufs(struct file *file, void *priv, + struct v4l2_requestbuffers *rb) +{ + struct cx18_open_id *id = file->private_data; + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + + if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && + (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE)) + return -EINVAL; + + return videobuf_reqbufs(cx18_vb_queue(id), rb); +} + +static int cx18_querybuf(struct file *file, void *priv, + struct v4l2_buffer *b) +{ + struct cx18_open_id *id = file->private_data; + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + + if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && + (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE)) + return -EINVAL; + + return videobuf_querybuf(cx18_vb_queue(id), b); +} + +static int cx18_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) +{ + struct cx18_open_id *id = file->private_data; + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + + if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && + (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE)) + return -EINVAL; + + return videobuf_qbuf(cx18_vb_queue(id), b); +} + +static int cx18_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) +{ + struct cx18_open_id *id = file->private_data; + struct cx18 *cx = id->cx; + struct cx18_stream *s = &cx->streams[id->type]; + + if ((s->vb_type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && + (s->vb_type != V4L2_BUF_TYPE_VBI_CAPTURE)) + return -EINVAL; + + return videobuf_dqbuf(cx18_vb_queue(id), b, file->f_flags & O_NONBLOCK); +} + +static int cx18_encoder_cmd(struct file *file, void *fh, + struct v4l2_encoder_cmd *enc) +{ + struct cx18_open_id *id = fh2id(fh); + struct cx18 *cx = id->cx; + u32 h; + + switch (enc->cmd) { + case V4L2_ENC_CMD_START: + CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n"); + enc->flags = 0; + return cx18_start_capture(id); + + case V4L2_ENC_CMD_STOP: + CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n"); + enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END; + cx18_stop_capture(id, + enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END); + break; + + case V4L2_ENC_CMD_PAUSE: + CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n"); + enc->flags = 0; + if (!atomic_read(&cx->ana_capturing)) + return -EPERM; + if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) + return 0; + h = cx18_find_handle(cx); + if (h == CX18_INVALID_TASK_HANDLE) { + CX18_ERR("Can't find valid task handle for " + "V4L2_ENC_CMD_PAUSE\n"); + return -EBADFD; + } + cx18_mute(cx); + cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, h); + break; + + case V4L2_ENC_CMD_RESUME: + CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n"); + enc->flags = 0; + if (!atomic_read(&cx->ana_capturing)) + return -EPERM; + if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) + return 0; + h = cx18_find_handle(cx); + if (h == CX18_INVALID_TASK_HANDLE) { + CX18_ERR("Can't find valid task handle for " + "V4L2_ENC_CMD_RESUME\n"); + return -EBADFD; + } + cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, h); + cx18_unmute(cx); + break; + + default: + CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd); + return -EINVAL; + } + return 0; +} + +static int cx18_try_encoder_cmd(struct file *file, void *fh, + struct v4l2_encoder_cmd *enc) +{ + struct cx18 *cx = fh2id(fh)->cx; + + switch (enc->cmd) { + case V4L2_ENC_CMD_START: + CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n"); + enc->flags = 0; + break; + + case V4L2_ENC_CMD_STOP: + CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n"); + enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END; + break; + + case V4L2_ENC_CMD_PAUSE: + CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n"); + enc->flags = 0; + break; + + case V4L2_ENC_CMD_RESUME: + CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n"); + enc->flags = 0; + break; + + default: + CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd); + return -EINVAL; + } + return 0; +} + +static int cx18_log_status(struct file *file, void *fh) +{ + struct cx18 *cx = fh2id(fh)->cx; + struct v4l2_input vidin; + struct v4l2_audio audin; + int i; + + CX18_INFO("Version: %s Card: %s\n", CX18_VERSION, cx->card_name); + if (cx->hw_flags & CX18_HW_TVEEPROM) { + struct tveeprom tv; + + cx18_read_eeprom(cx, &tv); + } + cx18_call_all(cx, core, log_status); + cx18_get_input(cx, cx->active_input, &vidin); + cx18_get_audio_input(cx, cx->audio_input, &audin); + CX18_INFO("Video Input: %s\n", vidin.name); + CX18_INFO("Audio Input: %s\n", audin.name); + mutex_lock(&cx->gpio_lock); + CX18_INFO("GPIO: direction 0x%08x, value 0x%08x\n", + cx->gpio_dir, cx->gpio_val); + mutex_unlock(&cx->gpio_lock); + CX18_INFO("Tuner: %s\n", + test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ? "Radio" : "TV"); + v4l2_ctrl_handler_log_status(&cx->cxhdl.hdl, cx->v4l2_dev.name); + CX18_INFO("Status flags: 0x%08lx\n", cx->i_flags); + for (i = 0; i < CX18_MAX_STREAMS; i++) { + struct cx18_stream *s = &cx->streams[i]; + + if (s->video_dev == NULL || s->buffers == 0) + continue; + CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", + s->name, s->s_flags, + atomic_read(&s->q_full.depth) * s->bufs_per_mdl * 100 + / s->buffers, + (s->buffers * s->buf_size) / 1024, s->buffers); + } + CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n", + (long long)cx->mpg_data_received, + (long long)cx->vbi_data_inserted); + return 0; +} + +static long cx18_default(struct file *file, void *fh, bool valid_prio, + unsigned int cmd, void *arg) +{ + struct cx18 *cx = fh2id(fh)->cx; + + switch (cmd) { + case VIDIOC_INT_RESET: { + u32 val = *(u32 *)arg; + + if ((val == 0) || (val & 0x01)) + cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL, core, reset, + (u32) CX18_GPIO_RESET_Z8F0811); + break; + } + + default: + return -ENOTTY; + } + return 0; +} + +static const struct v4l2_ioctl_ops cx18_ioctl_ops = { + .vidioc_querycap = cx18_querycap, + .vidioc_s_audio = cx18_s_audio, + .vidioc_g_audio = cx18_g_audio, + .vidioc_enumaudio = cx18_enumaudio, + .vidioc_enum_input = cx18_enum_input, + .vidioc_cropcap = cx18_cropcap, + .vidioc_s_crop = cx18_s_crop, + .vidioc_g_crop = cx18_g_crop, + .vidioc_g_input = cx18_g_input, + .vidioc_s_input = cx18_s_input, + .vidioc_g_frequency = cx18_g_frequency, + .vidioc_s_frequency = cx18_s_frequency, + .vidioc_s_tuner = cx18_s_tuner, + .vidioc_g_tuner = cx18_g_tuner, + .vidioc_g_enc_index = cx18_g_enc_index, + .vidioc_g_std = cx18_g_std, + .vidioc_s_std = cx18_s_std, + .vidioc_log_status = cx18_log_status, + .vidioc_enum_fmt_vid_cap = cx18_enum_fmt_vid_cap, + .vidioc_encoder_cmd = cx18_encoder_cmd, + .vidioc_try_encoder_cmd = cx18_try_encoder_cmd, + .vidioc_g_fmt_vid_cap = cx18_g_fmt_vid_cap, + .vidioc_g_fmt_vbi_cap = cx18_g_fmt_vbi_cap, + .vidioc_g_fmt_sliced_vbi_cap = cx18_g_fmt_sliced_vbi_cap, + .vidioc_s_fmt_vid_cap = cx18_s_fmt_vid_cap, + .vidioc_s_fmt_vbi_cap = cx18_s_fmt_vbi_cap, + .vidioc_s_fmt_sliced_vbi_cap = cx18_s_fmt_sliced_vbi_cap, + .vidioc_try_fmt_vid_cap = cx18_try_fmt_vid_cap, + .vidioc_try_fmt_vbi_cap = cx18_try_fmt_vbi_cap, + .vidioc_try_fmt_sliced_vbi_cap = cx18_try_fmt_sliced_vbi_cap, + .vidioc_g_sliced_vbi_cap = cx18_g_sliced_vbi_cap, + .vidioc_g_chip_ident = cx18_g_chip_ident, +#ifdef CPTCFG_VIDEO_ADV_DEBUG + .vidioc_g_register = cx18_g_register, + .vidioc_s_register = cx18_s_register, +#endif + .vidioc_default = cx18_default, + .vidioc_streamon = cx18_streamon, + .vidioc_streamoff = cx18_streamoff, + .vidioc_reqbufs = cx18_reqbufs, + .vidioc_querybuf = cx18_querybuf, + .vidioc_qbuf = cx18_qbuf, + .vidioc_dqbuf = cx18_dqbuf, +}; + +void cx18_set_funcs(struct video_device *vdev) +{ + vdev->ioctl_ops = &cx18_ioctl_ops; +} diff --git a/drivers/media/pci/cx18/cx18-ioctl.h b/drivers/media/pci/cx18/cx18-ioctl.h new file mode 100644 index 0000000..4343396 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-ioctl.h @@ -0,0 +1,31 @@ +/* + * cx18 ioctl system call + * + * Derived from ivtv-ioctl.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +u16 cx18_service2vbi(int type); +void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal); +u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt); +void cx18_set_funcs(struct video_device *vdev); +int cx18_s_std(struct file *file, void *fh, v4l2_std_id std); +int cx18_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *vf); +int cx18_s_input(struct file *file, void *fh, unsigned int inp); diff --git a/drivers/media/pci/cx18/cx18-irq.c b/drivers/media/pci/cx18/cx18-irq.c new file mode 100644 index 0000000..80edfe9 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-irq.c @@ -0,0 +1,81 @@ +/* + * cx18 interrupt handling + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-io.h" +#include "cx18-irq.h" +#include "cx18-mailbox.h" +#include "cx18-scb.h" + +static void xpu_ack(struct cx18 *cx, u32 sw2) +{ + if (sw2 & IRQ_CPU_TO_EPU_ACK) + wake_up(&cx->mb_cpu_waitq); + if (sw2 & IRQ_APU_TO_EPU_ACK) + wake_up(&cx->mb_apu_waitq); +} + +static void epu_cmd(struct cx18 *cx, u32 sw1) +{ + if (sw1 & IRQ_CPU_TO_EPU) + cx18_api_epu_cmd_irq(cx, CPU); + if (sw1 & IRQ_APU_TO_EPU) + cx18_api_epu_cmd_irq(cx, APU); +} + +irqreturn_t cx18_irq_handler(int irq, void *dev_id) +{ + struct cx18 *cx = (struct cx18 *)dev_id; + u32 sw1, sw2, hw2; + + sw1 = cx18_read_reg(cx, SW1_INT_STATUS) & cx->sw1_irq_mask; + sw2 = cx18_read_reg(cx, SW2_INT_STATUS) & cx->sw2_irq_mask; + hw2 = cx18_read_reg(cx, HW2_INT_CLR_STATUS) & cx->hw2_irq_mask; + + if (sw1) + cx18_write_reg_expect(cx, sw1, SW1_INT_STATUS, ~sw1, sw1); + if (sw2) + cx18_write_reg_expect(cx, sw2, SW2_INT_STATUS, ~sw2, sw2); + if (hw2) + cx18_write_reg_expect(cx, hw2, HW2_INT_CLR_STATUS, ~hw2, hw2); + + if (sw1 || sw2 || hw2) + CX18_DEBUG_HI_IRQ("received interrupts " + "SW1: %x SW2: %x HW2: %x\n", sw1, sw2, hw2); + + /* + * SW1 responses have to happen first. The sending XPU times out the + * incoming mailboxes on us rather rapidly. + */ + if (sw1) + epu_cmd(cx, sw1); + + /* To do: interrupt-based I2C handling + if (hw2 & (HW2_I2C1_INT|HW2_I2C2_INT)) { + } + */ + + if (sw2) + xpu_ack(cx, sw2); + + return (sw1 || sw2 || hw2) ? IRQ_HANDLED : IRQ_NONE; +} diff --git a/drivers/media/pci/cx18/cx18-irq.h b/drivers/media/pci/cx18/cx18-irq.h new file mode 100644 index 0000000..30e7eaf --- /dev/null +++ b/drivers/media/pci/cx18/cx18-irq.h @@ -0,0 +1,35 @@ +/* + * cx18 interrupt handling + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#define HW2_I2C1_INT (1 << 22) +#define HW2_I2C2_INT (1 << 23) +#define HW2_INT_CLR_STATUS 0xc730c4 +#define HW2_INT_MASK5_PCI 0xc730e4 +#define SW1_INT_SET 0xc73100 +#define SW1_INT_STATUS 0xc73104 +#define SW1_INT_ENABLE_PCI 0xc7311c +#define SW2_INT_SET 0xc73140 +#define SW2_INT_STATUS 0xc73144 +#define SW2_INT_ENABLE_CPU 0xc73158 +#define SW2_INT_ENABLE_PCI 0xc7315c + +irqreturn_t cx18_irq_handler(int irq, void *dev_id); diff --git a/drivers/media/pci/cx18/cx18-mailbox.c b/drivers/media/pci/cx18/cx18-mailbox.c new file mode 100644 index 0000000..eabf00c --- /dev/null +++ b/drivers/media/pci/cx18/cx18-mailbox.c @@ -0,0 +1,870 @@ +/* + * cx18 mailbox functions + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include <stdarg.h> + +#include "cx18-driver.h" +#include "cx18-io.h" +#include "cx18-scb.h" +#include "cx18-irq.h" +#include "cx18-mailbox.h" +#include "cx18-queue.h" +#include "cx18-streams.h" +#include "cx18-alsa-pcm.h" /* FIXME make configurable */ + +static const char *rpu_str[] = { "APU", "CPU", "EPU", "HPU" }; + +#define API_FAST (1 << 2) /* Short timeout */ +#define API_SLOW (1 << 3) /* Additional 300ms timeout */ + +struct cx18_api_info { + u32 cmd; + u8 flags; /* Flags, see above */ + u8 rpu; /* Processing unit */ + const char *name; /* The name of the command */ +}; + +#define API_ENTRY(rpu, x, f) { (x), (f), (rpu), #x } + +static const struct cx18_api_info api_info[] = { + /* MPEG encoder API */ + API_ENTRY(CPU, CX18_CPU_SET_CHANNEL_TYPE, 0), + API_ENTRY(CPU, CX18_EPU_DEBUG, 0), + API_ENTRY(CPU, CX18_CREATE_TASK, 0), + API_ENTRY(CPU, CX18_DESTROY_TASK, 0), + API_ENTRY(CPU, CX18_CPU_CAPTURE_START, API_SLOW), + API_ENTRY(CPU, CX18_CPU_CAPTURE_STOP, API_SLOW), + API_ENTRY(CPU, CX18_CPU_CAPTURE_PAUSE, 0), + API_ENTRY(CPU, CX18_CPU_CAPTURE_RESUME, 0), + API_ENTRY(CPU, CX18_CPU_SET_CHANNEL_TYPE, 0), + API_ENTRY(CPU, CX18_CPU_SET_STREAM_OUTPUT_TYPE, 0), + API_ENTRY(CPU, CX18_CPU_SET_VIDEO_IN, 0), + API_ENTRY(CPU, CX18_CPU_SET_VIDEO_RATE, 0), + API_ENTRY(CPU, CX18_CPU_SET_VIDEO_RESOLUTION, 0), + API_ENTRY(CPU, CX18_CPU_SET_FILTER_PARAM, 0), + API_ENTRY(CPU, CX18_CPU_SET_SPATIAL_FILTER_TYPE, 0), + API_ENTRY(CPU, CX18_CPU_SET_MEDIAN_CORING, 0), + API_ENTRY(CPU, CX18_CPU_SET_INDEXTABLE, 0), + API_ENTRY(CPU, CX18_CPU_SET_AUDIO_PARAMETERS, 0), + API_ENTRY(CPU, CX18_CPU_SET_VIDEO_MUTE, 0), + API_ENTRY(CPU, CX18_CPU_SET_AUDIO_MUTE, 0), + API_ENTRY(CPU, CX18_CPU_SET_MISC_PARAMETERS, 0), + API_ENTRY(CPU, CX18_CPU_SET_RAW_VBI_PARAM, API_SLOW), + API_ENTRY(CPU, CX18_CPU_SET_CAPTURE_LINE_NO, 0), + API_ENTRY(CPU, CX18_CPU_SET_COPYRIGHT, 0), + API_ENTRY(CPU, CX18_CPU_SET_AUDIO_PID, 0), + API_ENTRY(CPU, CX18_CPU_SET_VIDEO_PID, 0), + API_ENTRY(CPU, CX18_CPU_SET_VER_CROP_LINE, 0), + API_ENTRY(CPU, CX18_CPU_SET_GOP_STRUCTURE, 0), + API_ENTRY(CPU, CX18_CPU_SET_SCENE_CHANGE_DETECTION, 0), + API_ENTRY(CPU, CX18_CPU_SET_ASPECT_RATIO, 0), + API_ENTRY(CPU, CX18_CPU_SET_SKIP_INPUT_FRAME, 0), + API_ENTRY(CPU, CX18_CPU_SET_SLICED_VBI_PARAM, 0), + API_ENTRY(CPU, CX18_CPU_SET_USERDATA_PLACE_HOLDER, 0), + API_ENTRY(CPU, CX18_CPU_GET_ENC_PTS, 0), + API_ENTRY(CPU, CX18_CPU_SET_VFC_PARAM, 0), + API_ENTRY(CPU, CX18_CPU_DE_SET_MDL_ACK, 0), + API_ENTRY(CPU, CX18_CPU_DE_SET_MDL, API_FAST), + API_ENTRY(CPU, CX18_CPU_DE_RELEASE_MDL, API_SLOW), + API_ENTRY(APU, CX18_APU_START, 0), + API_ENTRY(APU, CX18_APU_STOP, 0), + API_ENTRY(APU, CX18_APU_RESETAI, 0), + API_ENTRY(CPU, CX18_CPU_DEBUG_PEEK32, 0), + API_ENTRY(0, 0, 0), +}; + +static const struct cx18_api_info *find_api_info(u32 cmd) +{ + int i; + + for (i = 0; api_info[i].cmd; i++) + if (api_info[i].cmd == cmd) + return &api_info[i]; + return NULL; +} + +/* Call with buf of n*11+1 bytes */ +static char *u32arr2hex(u32 data[], int n, char *buf) +{ + char *p; + int i; + + for (i = 0, p = buf; i < n; i++, p += 11) { + /* kernel snprintf() appends '\0' always */ + snprintf(p, 12, " %#010x", data[i]); + } + *p = '\0'; + return buf; +} + +static void dump_mb(struct cx18 *cx, struct cx18_mailbox *mb, char *name) +{ + char argstr[MAX_MB_ARGUMENTS*11+1]; + + if (!(cx18_debug & CX18_DBGFLG_API)) + return; + + CX18_DEBUG_API("%s: req %#010x ack %#010x cmd %#010x err %#010x args%s" + "\n", name, mb->request, mb->ack, mb->cmd, mb->error, + u32arr2hex(mb->args, MAX_MB_ARGUMENTS, argstr)); +} + + +/* + * Functions that run in a work_queue work handling context + */ + +static void cx18_mdl_send_to_dvb(struct cx18_stream *s, struct cx18_mdl *mdl) +{ + struct cx18_buffer *buf; + + if (s->dvb == NULL || !s->dvb->enabled || mdl->bytesused == 0) + return; + + /* We ignore mdl and buf readpos accounting here - it doesn't matter */ + + /* The likely case */ + if (list_is_singular(&mdl->buf_list)) { + buf = list_first_entry(&mdl->buf_list, struct cx18_buffer, + list); + if (buf->bytesused) + dvb_dmx_swfilter(&s->dvb->demux, + buf->buf, buf->bytesused); + return; + } + + list_for_each_entry(buf, &mdl->buf_list, list) { + if (buf->bytesused == 0) + break; + dvb_dmx_swfilter(&s->dvb->demux, buf->buf, buf->bytesused); + } +} + +static void cx18_mdl_send_to_videobuf(struct cx18_stream *s, + struct cx18_mdl *mdl) +{ + struct cx18_videobuf_buffer *vb_buf; + struct cx18_buffer *buf; + u8 *p; + u32 offset = 0; + int dispatch = 0; + + if (mdl->bytesused == 0) + return; + + /* Acquire a videobuf buffer, clone to and and release it */ + spin_lock(&s->vb_lock); + if (list_empty(&s->vb_capture)) + goto out; + + vb_buf = list_first_entry(&s->vb_capture, struct cx18_videobuf_buffer, + vb.queue); + + p = videobuf_to_vmalloc(&vb_buf->vb); + if (!p) + goto out; + + offset = vb_buf->bytes_used; + list_for_each_entry(buf, &mdl->buf_list, list) { + if (buf->bytesused == 0) + break; + + if ((offset + buf->bytesused) <= vb_buf->vb.bsize) { + memcpy(p + offset, buf->buf, buf->bytesused); + offset += buf->bytesused; + vb_buf->bytes_used += buf->bytesused; + } + } + + /* If we've filled the buffer as per the callers res then dispatch it */ + if (vb_buf->bytes_used >= s->vb_bytes_per_frame) { + dispatch = 1; + vb_buf->bytes_used = 0; + } + + if (dispatch) { + vb_buf->vb.ts = ktime_to_timeval(ktime_get()); + list_del(&vb_buf->vb.queue); + vb_buf->vb.state = VIDEOBUF_DONE; + wake_up(&vb_buf->vb.done); + } + + mod_timer(&s->vb_timeout, msecs_to_jiffies(2000) + jiffies); + +out: + spin_unlock(&s->vb_lock); +} + +static void cx18_mdl_send_to_alsa(struct cx18 *cx, struct cx18_stream *s, + struct cx18_mdl *mdl) +{ + struct cx18_buffer *buf; + + if (mdl->bytesused == 0) + return; + + /* We ignore mdl and buf readpos accounting here - it doesn't matter */ + + /* The likely case */ + if (list_is_singular(&mdl->buf_list)) { + buf = list_first_entry(&mdl->buf_list, struct cx18_buffer, + list); + if (buf->bytesused) + cx->pcm_announce_callback(cx->alsa, buf->buf, + buf->bytesused); + return; + } + + list_for_each_entry(buf, &mdl->buf_list, list) { + if (buf->bytesused == 0) + break; + cx->pcm_announce_callback(cx->alsa, buf->buf, buf->bytesused); + } +} + +static void epu_dma_done(struct cx18 *cx, struct cx18_in_work_order *order) +{ + u32 handle, mdl_ack_count, id; + struct cx18_mailbox *mb; + struct cx18_mdl_ack *mdl_ack; + struct cx18_stream *s; + struct cx18_mdl *mdl; + int i; + + mb = &order->mb; + handle = mb->args[0]; + s = cx18_handle_to_stream(cx, handle); + + if (s == NULL) { + CX18_WARN("Got DMA done notification for unknown/inactive" + " handle %d, %s mailbox seq no %d\n", handle, + (order->flags & CX18_F_EWO_MB_STALE_UPON_RECEIPT) ? + "stale" : "good", mb->request); + return; + } + + mdl_ack_count = mb->args[2]; + mdl_ack = order->mdl_ack; + for (i = 0; i < mdl_ack_count; i++, mdl_ack++) { + id = mdl_ack->id; + /* + * Simple integrity check for processing a stale (and possibly + * inconsistent mailbox): make sure the MDL id is in the + * valid range for the stream. + * + * We go through the trouble of dealing with stale mailboxes + * because most of the time, the mailbox data is still valid and + * unchanged (and in practice the firmware ping-pongs the + * two mdl_ack buffers so mdl_acks are not stale). + * + * There are occasions when we get a half changed mailbox, + * which this check catches for a handle & id mismatch. If the + * handle and id do correspond, the worst case is that we + * completely lost the old MDL, but pick up the new MDL + * early (but the new mdl_ack is guaranteed to be good in this + * case as the firmware wouldn't point us to a new mdl_ack until + * it's filled in). + * + * cx18_queue_get_mdl() will detect the lost MDLs + * and send them back to q_free for fw rotation eventually. + */ + if ((order->flags & CX18_F_EWO_MB_STALE_UPON_RECEIPT) && + !(id >= s->mdl_base_idx && + id < (s->mdl_base_idx + s->buffers))) { + CX18_WARN("Fell behind! Ignoring stale mailbox with " + " inconsistent data. Lost MDL for mailbox " + "seq no %d\n", mb->request); + break; + } + mdl = cx18_queue_get_mdl(s, id, mdl_ack->data_used); + + CX18_DEBUG_HI_DMA("DMA DONE for %s (MDL %d)\n", s->name, id); + if (mdl == NULL) { + CX18_WARN("Could not find MDL %d for stream %s\n", + id, s->name); + continue; + } + + CX18_DEBUG_HI_DMA("%s recv bytesused = %d\n", + s->name, mdl->bytesused); + + if (s->type == CX18_ENC_STREAM_TYPE_TS) { + cx18_mdl_send_to_dvb(s, mdl); + cx18_enqueue(s, mdl, &s->q_free); + } else if (s->type == CX18_ENC_STREAM_TYPE_PCM) { + /* Pass the data to cx18-alsa */ + if (cx->pcm_announce_callback != NULL) { + cx18_mdl_send_to_alsa(cx, s, mdl); + cx18_enqueue(s, mdl, &s->q_free); + } else { + cx18_enqueue(s, mdl, &s->q_full); + } + } else if (s->type == CX18_ENC_STREAM_TYPE_YUV) { + cx18_mdl_send_to_videobuf(s, mdl); + cx18_enqueue(s, mdl, &s->q_free); + } else { + cx18_enqueue(s, mdl, &s->q_full); + if (s->type == CX18_ENC_STREAM_TYPE_IDX) + cx18_stream_rotate_idx_mdls(cx); + } + } + /* Put as many MDLs as possible back into fw use */ + cx18_stream_load_fw_queue(s); + + wake_up(&cx->dma_waitq); + if (s->id != -1) + wake_up(&s->waitq); +} + +static void epu_debug(struct cx18 *cx, struct cx18_in_work_order *order) +{ + char *p; + char *str = order->str; + + CX18_DEBUG_INFO("%x %s\n", order->mb.args[0], str); + p = strchr(str, '.'); + if (!test_bit(CX18_F_I_LOADED_FW, &cx->i_flags) && p && p > str) + CX18_INFO("FW version: %s\n", p - 1); +} + +static void epu_cmd(struct cx18 *cx, struct cx18_in_work_order *order) +{ + switch (order->rpu) { + case CPU: + { + switch (order->mb.cmd) { + case CX18_EPU_DMA_DONE: + epu_dma_done(cx, order); + break; + case CX18_EPU_DEBUG: + epu_debug(cx, order); + break; + default: + CX18_WARN("Unknown CPU to EPU mailbox command %#0x\n", + order->mb.cmd); + break; + } + break; + } + case APU: + CX18_WARN("Unknown APU to EPU mailbox command %#0x\n", + order->mb.cmd); + break; + default: + break; + } +} + +static +void free_in_work_order(struct cx18 *cx, struct cx18_in_work_order *order) +{ + atomic_set(&order->pending, 0); +} + +void cx18_in_work_handler(struct work_struct *work) +{ + struct cx18_in_work_order *order = + container_of(work, struct cx18_in_work_order, work); + struct cx18 *cx = order->cx; + epu_cmd(cx, order); + free_in_work_order(cx, order); +} + + +/* + * Functions that run in an interrupt handling context + */ + +static void mb_ack_irq(struct cx18 *cx, struct cx18_in_work_order *order) +{ + struct cx18_mailbox __iomem *ack_mb; + u32 ack_irq, req; + + switch (order->rpu) { + case APU: + ack_irq = IRQ_EPU_TO_APU_ACK; + ack_mb = &cx->scb->apu2epu_mb; + break; + case CPU: + ack_irq = IRQ_EPU_TO_CPU_ACK; + ack_mb = &cx->scb->cpu2epu_mb; + break; + default: + CX18_WARN("Unhandled RPU (%d) for command %x ack\n", + order->rpu, order->mb.cmd); + return; + } + + req = order->mb.request; + /* Don't ack if the RPU has gotten impatient and timed us out */ + if (req != cx18_readl(cx, &ack_mb->request) || + req == cx18_readl(cx, &ack_mb->ack)) { + CX18_DEBUG_WARN("Possibly falling behind: %s self-ack'ed our " + "incoming %s to EPU mailbox (sequence no. %u) " + "while processing\n", + rpu_str[order->rpu], rpu_str[order->rpu], req); + order->flags |= CX18_F_EWO_MB_STALE_WHILE_PROC; + return; + } + cx18_writel(cx, req, &ack_mb->ack); + cx18_write_reg_expect(cx, ack_irq, SW2_INT_SET, ack_irq, ack_irq); + return; +} + +static int epu_dma_done_irq(struct cx18 *cx, struct cx18_in_work_order *order) +{ + u32 handle, mdl_ack_offset, mdl_ack_count; + struct cx18_mailbox *mb; + int i; + + mb = &order->mb; + handle = mb->args[0]; + mdl_ack_offset = mb->args[1]; + mdl_ack_count = mb->args[2]; + + if (handle == CX18_INVALID_TASK_HANDLE || + mdl_ack_count == 0 || mdl_ack_count > CX18_MAX_MDL_ACKS) { + if ((order->flags & CX18_F_EWO_MB_STALE) == 0) + mb_ack_irq(cx, order); + return -1; + } + + for (i = 0; i < sizeof(struct cx18_mdl_ack) * mdl_ack_count; i += sizeof(u32)) + ((u32 *)order->mdl_ack)[i / sizeof(u32)] = + cx18_readl(cx, cx->enc_mem + mdl_ack_offset + i); + + if ((order->flags & CX18_F_EWO_MB_STALE) == 0) + mb_ack_irq(cx, order); + return 1; +} + +static +int epu_debug_irq(struct cx18 *cx, struct cx18_in_work_order *order) +{ + u32 str_offset; + char *str = order->str; + + str[0] = '\0'; + str_offset = order->mb.args[1]; + if (str_offset) { + cx18_setup_page(cx, str_offset); + cx18_memcpy_fromio(cx, str, cx->enc_mem + str_offset, 252); + str[252] = '\0'; + cx18_setup_page(cx, SCB_OFFSET); + } + + if ((order->flags & CX18_F_EWO_MB_STALE) == 0) + mb_ack_irq(cx, order); + + return str_offset ? 1 : 0; +} + +static inline +int epu_cmd_irq(struct cx18 *cx, struct cx18_in_work_order *order) +{ + int ret = -1; + + switch (order->rpu) { + case CPU: + { + switch (order->mb.cmd) { + case CX18_EPU_DMA_DONE: + ret = epu_dma_done_irq(cx, order); + break; + case CX18_EPU_DEBUG: + ret = epu_debug_irq(cx, order); + break; + default: + CX18_WARN("Unknown CPU to EPU mailbox command %#0x\n", + order->mb.cmd); + break; + } + break; + } + case APU: + CX18_WARN("Unknown APU to EPU mailbox command %#0x\n", + order->mb.cmd); + break; + default: + break; + } + return ret; +} + +static inline +struct cx18_in_work_order *alloc_in_work_order_irq(struct cx18 *cx) +{ + int i; + struct cx18_in_work_order *order = NULL; + + for (i = 0; i < CX18_MAX_IN_WORK_ORDERS; i++) { + /* + * We only need "pending" atomic to inspect its contents, + * and need not do a check and set because: + * 1. Any work handler thread only clears "pending" and only + * on one, particular work order at a time, per handler thread. + * 2. "pending" is only set here, and we're serialized because + * we're called in an IRQ handler context. + */ + if (atomic_read(&cx->in_work_order[i].pending) == 0) { + order = &cx->in_work_order[i]; + atomic_set(&order->pending, 1); + break; + } + } + return order; +} + +void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu) +{ + struct cx18_mailbox __iomem *mb; + struct cx18_mailbox *order_mb; + struct cx18_in_work_order *order; + int submit; + int i; + + switch (rpu) { + case CPU: + mb = &cx->scb->cpu2epu_mb; + break; + case APU: + mb = &cx->scb->apu2epu_mb; + break; + default: + return; + } + + order = alloc_in_work_order_irq(cx); + if (order == NULL) { + CX18_WARN("Unable to find blank work order form to schedule " + "incoming mailbox command processing\n"); + return; + } + + order->flags = 0; + order->rpu = rpu; + order_mb = &order->mb; + + /* mb->cmd and mb->args[0] through mb->args[2] */ + for (i = 0; i < 4; i++) + (&order_mb->cmd)[i] = cx18_readl(cx, &mb->cmd + i); + + /* mb->request and mb->ack. N.B. we want to read mb->ack last */ + for (i = 0; i < 2; i++) + (&order_mb->request)[i] = cx18_readl(cx, &mb->request + i); + + if (order_mb->request == order_mb->ack) { + CX18_DEBUG_WARN("Possibly falling behind: %s self-ack'ed our " + "incoming %s to EPU mailbox (sequence no. %u)" + "\n", + rpu_str[rpu], rpu_str[rpu], order_mb->request); + if (cx18_debug & CX18_DBGFLG_WARN) + dump_mb(cx, order_mb, "incoming"); + order->flags = CX18_F_EWO_MB_STALE_UPON_RECEIPT; + } + + /* + * Individual EPU command processing is responsible for ack-ing + * a non-stale mailbox as soon as possible + */ + submit = epu_cmd_irq(cx, order); + if (submit > 0) { + queue_work(cx->in_work_queue, &order->work); + } +} + + +/* + * Functions called from a non-interrupt, non work_queue context + */ + +static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) +{ + const struct cx18_api_info *info = find_api_info(cmd); + u32 irq, req, ack, err; + struct cx18_mailbox __iomem *mb; + wait_queue_head_t *waitq; + struct mutex *mb_lock; + unsigned long int t0, timeout, ret; + int i; + char argstr[MAX_MB_ARGUMENTS*11+1]; + DEFINE_WAIT(w); + + if (info == NULL) { + CX18_WARN("unknown cmd %x\n", cmd); + return -EINVAL; + } + + if (cx18_debug & CX18_DBGFLG_API) { /* only call u32arr2hex if needed */ + if (cmd == CX18_CPU_DE_SET_MDL) { + if (cx18_debug & CX18_DBGFLG_HIGHVOL) + CX18_DEBUG_HI_API("%s\tcmd %#010x args%s\n", + info->name, cmd, + u32arr2hex(data, args, argstr)); + } else + CX18_DEBUG_API("%s\tcmd %#010x args%s\n", + info->name, cmd, + u32arr2hex(data, args, argstr)); + } + + switch (info->rpu) { + case APU: + waitq = &cx->mb_apu_waitq; + mb_lock = &cx->epu2apu_mb_lock; + irq = IRQ_EPU_TO_APU; + mb = &cx->scb->epu2apu_mb; + break; + case CPU: + waitq = &cx->mb_cpu_waitq; + mb_lock = &cx->epu2cpu_mb_lock; + irq = IRQ_EPU_TO_CPU; + mb = &cx->scb->epu2cpu_mb; + break; + default: + CX18_WARN("Unknown RPU (%d) for API call\n", info->rpu); + return -EINVAL; + } + + mutex_lock(mb_lock); + /* + * Wait for an in-use mailbox to complete + * + * If the XPU is responding with Ack's, the mailbox shouldn't be in + * a busy state, since we serialize access to it on our end. + * + * If the wait for ack after sending a previous command was interrupted + * by a signal, we may get here and find a busy mailbox. After waiting, + * mark it "not busy" from our end, if the XPU hasn't ack'ed it still. + */ + req = cx18_readl(cx, &mb->request); + timeout = msecs_to_jiffies(10); + ret = wait_event_timeout(*waitq, + (ack = cx18_readl(cx, &mb->ack)) == req, + timeout); + if (req != ack) { + /* waited long enough, make the mbox "not busy" from our end */ + cx18_writel(cx, req, &mb->ack); + CX18_ERR("mbox was found stuck busy when setting up for %s; " + "clearing busy and trying to proceed\n", info->name); + } else if (ret != timeout) + CX18_DEBUG_API("waited %u msecs for busy mbox to be acked\n", + jiffies_to_msecs(timeout-ret)); + + /* Build the outgoing mailbox */ + req = ((req & 0xfffffffe) == 0xfffffffe) ? 1 : req + 1; + + cx18_writel(cx, cmd, &mb->cmd); + for (i = 0; i < args; i++) + cx18_writel(cx, data[i], &mb->args[i]); + cx18_writel(cx, 0, &mb->error); + cx18_writel(cx, req, &mb->request); + cx18_writel(cx, req - 1, &mb->ack); /* ensure ack & req are distinct */ + + /* + * Notify the XPU and wait for it to send an Ack back + */ + timeout = msecs_to_jiffies((info->flags & API_FAST) ? 10 : 20); + + CX18_DEBUG_HI_IRQ("sending interrupt SW1: %x to send %s\n", + irq, info->name); + + /* So we don't miss the wakeup, prepare to wait before notifying fw */ + prepare_to_wait(waitq, &w, TASK_UNINTERRUPTIBLE); + cx18_write_reg_expect(cx, irq, SW1_INT_SET, irq, irq); + + t0 = jiffies; + ack = cx18_readl(cx, &mb->ack); + if (ack != req) { + schedule_timeout(timeout); + ret = jiffies - t0; + ack = cx18_readl(cx, &mb->ack); + } else { + ret = jiffies - t0; + } + + finish_wait(waitq, &w); + + if (req != ack) { + mutex_unlock(mb_lock); + if (ret >= timeout) { + /* Timed out */ + CX18_DEBUG_WARN("sending %s timed out waiting %d msecs " + "for RPU acknowledgement\n", + info->name, jiffies_to_msecs(ret)); + } else { + CX18_DEBUG_WARN("woken up before mailbox ack was ready " + "after submitting %s to RPU. only " + "waited %d msecs on req %u but awakened" + " with unmatched ack %u\n", + info->name, + jiffies_to_msecs(ret), + req, ack); + } + return -EINVAL; + } + + if (ret >= timeout) + CX18_DEBUG_WARN("failed to be awakened upon RPU acknowledgment " + "sending %s; timed out waiting %d msecs\n", + info->name, jiffies_to_msecs(ret)); + else + CX18_DEBUG_HI_API("waited %u msecs for %s to be acked\n", + jiffies_to_msecs(ret), info->name); + + /* Collect data returned by the XPU */ + for (i = 0; i < MAX_MB_ARGUMENTS; i++) + data[i] = cx18_readl(cx, &mb->args[i]); + err = cx18_readl(cx, &mb->error); + mutex_unlock(mb_lock); + + /* + * Wait for XPU to perform extra actions for the caller in some cases. + * e.g. CX18_CPU_DE_RELEASE_MDL will cause the CPU to send all MDLs + * back in a burst shortly thereafter + */ + if (info->flags & API_SLOW) + cx18_msleep_timeout(300, 0); + + if (err) + CX18_DEBUG_API("mailbox error %08x for command %s\n", err, + info->name); + return err ? -EIO : 0; +} + +int cx18_api(struct cx18 *cx, u32 cmd, int args, u32 data[]) +{ + return cx18_api_call(cx, cmd, args, data); +} + +static int cx18_set_filter_param(struct cx18_stream *s) +{ + struct cx18 *cx = s->cx; + u32 mode; + int ret; + + mode = (cx->filter_mode & 1) ? 2 : (cx->spatial_strength ? 1 : 0); + ret = cx18_vapi(cx, CX18_CPU_SET_FILTER_PARAM, 4, + s->handle, 1, mode, cx->spatial_strength); + mode = (cx->filter_mode & 2) ? 2 : (cx->temporal_strength ? 1 : 0); + ret = ret ? ret : cx18_vapi(cx, CX18_CPU_SET_FILTER_PARAM, 4, + s->handle, 0, mode, cx->temporal_strength); + ret = ret ? ret : cx18_vapi(cx, CX18_CPU_SET_FILTER_PARAM, 4, + s->handle, 2, cx->filter_mode >> 2, 0); + return ret; +} + +int cx18_api_func(void *priv, u32 cmd, int in, int out, + u32 data[CX2341X_MBOX_MAX_DATA]) +{ + struct cx18_stream *s = priv; + struct cx18 *cx = s->cx; + + switch (cmd) { + case CX2341X_ENC_SET_OUTPUT_PORT: + return 0; + case CX2341X_ENC_SET_FRAME_RATE: + return cx18_vapi(cx, CX18_CPU_SET_VIDEO_IN, 6, + s->handle, 0, 0, 0, 0, data[0]); + case CX2341X_ENC_SET_FRAME_SIZE: + return cx18_vapi(cx, CX18_CPU_SET_VIDEO_RESOLUTION, 3, + s->handle, data[1], data[0]); + case CX2341X_ENC_SET_STREAM_TYPE: + return cx18_vapi(cx, CX18_CPU_SET_STREAM_OUTPUT_TYPE, 2, + s->handle, data[0]); + case CX2341X_ENC_SET_ASPECT_RATIO: + return cx18_vapi(cx, CX18_CPU_SET_ASPECT_RATIO, 2, + s->handle, data[0]); + + case CX2341X_ENC_SET_GOP_PROPERTIES: + return cx18_vapi(cx, CX18_CPU_SET_GOP_STRUCTURE, 3, + s->handle, data[0], data[1]); + case CX2341X_ENC_SET_GOP_CLOSURE: + return 0; + case CX2341X_ENC_SET_AUDIO_PROPERTIES: + return cx18_vapi(cx, CX18_CPU_SET_AUDIO_PARAMETERS, 2, + s->handle, data[0]); + case CX2341X_ENC_MUTE_AUDIO: + return cx18_vapi(cx, CX18_CPU_SET_AUDIO_MUTE, 2, + s->handle, data[0]); + case CX2341X_ENC_SET_BIT_RATE: + return cx18_vapi(cx, CX18_CPU_SET_VIDEO_RATE, 5, + s->handle, data[0], data[1], data[2], data[3]); + case CX2341X_ENC_MUTE_VIDEO: + return cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, + s->handle, data[0]); + case CX2341X_ENC_SET_FRAME_DROP_RATE: + return cx18_vapi(cx, CX18_CPU_SET_SKIP_INPUT_FRAME, 2, + s->handle, data[0]); + case CX2341X_ENC_MISC: + return cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 4, + s->handle, data[0], data[1], data[2]); + case CX2341X_ENC_SET_DNR_FILTER_MODE: + cx->filter_mode = (data[0] & 3) | (data[1] << 2); + return cx18_set_filter_param(s); + case CX2341X_ENC_SET_DNR_FILTER_PROPS: + cx->spatial_strength = data[0]; + cx->temporal_strength = data[1]; + return cx18_set_filter_param(s); + case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE: + return cx18_vapi(cx, CX18_CPU_SET_SPATIAL_FILTER_TYPE, 3, + s->handle, data[0], data[1]); + case CX2341X_ENC_SET_CORING_LEVELS: + return cx18_vapi(cx, CX18_CPU_SET_MEDIAN_CORING, 5, + s->handle, data[0], data[1], data[2], data[3]); + } + CX18_WARN("Unknown cmd %x\n", cmd); + return 0; +} + +int cx18_vapi_result(struct cx18 *cx, u32 data[MAX_MB_ARGUMENTS], + u32 cmd, int args, ...) +{ + va_list ap; + int i; + + va_start(ap, args); + for (i = 0; i < args; i++) + data[i] = va_arg(ap, u32); + va_end(ap); + return cx18_api(cx, cmd, args, data); +} + +int cx18_vapi(struct cx18 *cx, u32 cmd, int args, ...) +{ + u32 data[MAX_MB_ARGUMENTS]; + va_list ap; + int i; + + if (cx == NULL) { + CX18_ERR("cx == NULL (cmd=%x)\n", cmd); + return 0; + } + if (args > MAX_MB_ARGUMENTS) { + CX18_ERR("args too big (cmd=%x)\n", cmd); + args = MAX_MB_ARGUMENTS; + } + va_start(ap, args); + for (i = 0; i < args; i++) + data[i] = va_arg(ap, u32); + va_end(ap); + return cx18_api(cx, cmd, args, data); +} diff --git a/drivers/media/pci/cx18/cx18-mailbox.h b/drivers/media/pci/cx18/cx18-mailbox.h new file mode 100644 index 0000000..b63fdfa --- /dev/null +++ b/drivers/media/pci/cx18/cx18-mailbox.h @@ -0,0 +1,95 @@ +/* + * cx18 mailbox functions + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#ifndef _CX18_MAILBOX_H_ +#define _CX18_MAILBOX_H_ + +/* mailbox max args */ +#define MAX_MB_ARGUMENTS 6 +/* compatibility, should be same as the define in cx2341x.h */ +#define CX2341X_MBOX_MAX_DATA 16 + +#define MB_RESERVED_HANDLE_0 0 +#define MB_RESERVED_HANDLE_1 0xFFFFFFFF + +#define APU 0 +#define CPU 1 +#define EPU 2 +#define HPU 3 + +struct cx18; + +/* + * This structure is used by CPU to provide completed MDL & buffers information. + * Its structure is dictated by the layout of the SCB, required by the + * firmware, but its definition needs to be here, instead of in cx18-scb.h, + * for mailbox work order scheduling + */ +struct cx18_mdl_ack { + u32 id; /* ID of a completed MDL */ + u32 data_used; /* Total data filled in the MDL with 'id' */ +}; + +/* The cx18_mailbox struct is the mailbox structure which is used for passing + messages between processors */ +struct cx18_mailbox { + /* The sender sets a handle in 'request' after he fills the command. The + 'request' should be different than 'ack'. The sender, also, generates + an interrupt on XPU2YPU_irq where XPU is the sender and YPU is the + receiver. */ + u32 request; + /* The receiver detects a new command when 'req' is different than 'ack'. + He sets 'ack' to the same value as 'req' to clear the command. He, also, + generates an interrupt on YPU2XPU_irq where XPU is the sender and YPU + is the receiver. */ + u32 ack; + u32 reserved[6]; + /* 'cmd' identifies the command. The list of these commands are in + cx23418.h */ + u32 cmd; + /* Each command can have up to 6 arguments */ + u32 args[MAX_MB_ARGUMENTS]; + /* The return code can be one of the codes in the file cx23418.h. If the + command is completed successfully, the error will be ERR_SYS_SUCCESS. + If it is pending, the code is ERR_SYS_PENDING. If it failed, the error + code would indicate the task from which the error originated and will + be one of the errors in cx23418.h. In that case, the following + applies ((error & 0xff) != 0). + If the command is pending, the return will be passed in a MB from the + receiver to the sender. 'req' will be returned in args[0] */ + u32 error; +}; + +struct cx18_stream; + +int cx18_api(struct cx18 *cx, u32 cmd, int args, u32 data[]); +int cx18_vapi_result(struct cx18 *cx, u32 data[MAX_MB_ARGUMENTS], u32 cmd, + int args, ...); +int cx18_vapi(struct cx18 *cx, u32 cmd, int args, ...); +int cx18_api_func(void *priv, u32 cmd, int in, int out, + u32 data[CX2341X_MBOX_MAX_DATA]); + +void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu); + +void cx18_in_work_handler(struct work_struct *work); + +#endif diff --git a/drivers/media/pci/cx18/cx18-queue.c b/drivers/media/pci/cx18/cx18-queue.c new file mode 100644 index 0000000..8884537 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-queue.c @@ -0,0 +1,443 @@ +/* + * cx18 buffer queues + * + * Derived from ivtv-queue.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-queue.h" +#include "cx18-streams.h" +#include "cx18-scb.h" +#include "cx18-io.h" + +void cx18_buf_swap(struct cx18_buffer *buf) +{ + int i; + + for (i = 0; i < buf->bytesused; i += 4) + swab32s((u32 *)(buf->buf + i)); +} + +void _cx18_mdl_swap(struct cx18_mdl *mdl) +{ + struct cx18_buffer *buf; + + list_for_each_entry(buf, &mdl->buf_list, list) { + if (buf->bytesused == 0) + break; + cx18_buf_swap(buf); + } +} + +void cx18_queue_init(struct cx18_queue *q) +{ + INIT_LIST_HEAD(&q->list); + atomic_set(&q->depth, 0); + q->bytesused = 0; +} + +struct cx18_queue *_cx18_enqueue(struct cx18_stream *s, struct cx18_mdl *mdl, + struct cx18_queue *q, int to_front) +{ + /* clear the mdl if it is not to be enqueued to the full queue */ + if (q != &s->q_full) { + mdl->bytesused = 0; + mdl->readpos = 0; + mdl->m_flags = 0; + mdl->skipped = 0; + mdl->curr_buf = NULL; + } + + /* q_busy is restricted to a max buffer count imposed by firmware */ + if (q == &s->q_busy && + atomic_read(&q->depth) >= CX18_MAX_FW_MDLS_PER_STREAM) + q = &s->q_free; + + spin_lock(&q->lock); + + if (to_front) + list_add(&mdl->list, &q->list); /* LIFO */ + else + list_add_tail(&mdl->list, &q->list); /* FIFO */ + q->bytesused += mdl->bytesused - mdl->readpos; + atomic_inc(&q->depth); + + spin_unlock(&q->lock); + return q; +} + +struct cx18_mdl *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q) +{ + struct cx18_mdl *mdl = NULL; + + spin_lock(&q->lock); + if (!list_empty(&q->list)) { + mdl = list_first_entry(&q->list, struct cx18_mdl, list); + list_del_init(&mdl->list); + q->bytesused -= mdl->bytesused - mdl->readpos; + mdl->skipped = 0; + atomic_dec(&q->depth); + } + spin_unlock(&q->lock); + return mdl; +} + +static void _cx18_mdl_update_bufs_for_cpu(struct cx18_stream *s, + struct cx18_mdl *mdl) +{ + struct cx18_buffer *buf; + u32 buf_size = s->buf_size; + u32 bytesused = mdl->bytesused; + + list_for_each_entry(buf, &mdl->buf_list, list) { + buf->readpos = 0; + if (bytesused >= buf_size) { + buf->bytesused = buf_size; + bytesused -= buf_size; + } else { + buf->bytesused = bytesused; + bytesused = 0; + } + cx18_buf_sync_for_cpu(s, buf); + } +} + +static inline void cx18_mdl_update_bufs_for_cpu(struct cx18_stream *s, + struct cx18_mdl *mdl) +{ + struct cx18_buffer *buf; + + if (list_is_singular(&mdl->buf_list)) { + buf = list_first_entry(&mdl->buf_list, struct cx18_buffer, + list); + buf->bytesused = mdl->bytesused; + buf->readpos = 0; + cx18_buf_sync_for_cpu(s, buf); + } else { + _cx18_mdl_update_bufs_for_cpu(s, mdl); + } +} + +struct cx18_mdl *cx18_queue_get_mdl(struct cx18_stream *s, u32 id, + u32 bytesused) +{ + struct cx18 *cx = s->cx; + struct cx18_mdl *mdl; + struct cx18_mdl *tmp; + struct cx18_mdl *ret = NULL; + LIST_HEAD(sweep_up); + + /* + * We don't have to acquire multiple q locks here, because we are + * serialized by the single threaded work handler. + * MDLs from the firmware will thus remain in order as + * they are moved from q_busy to q_full or to the dvb ring buffer. + */ + spin_lock(&s->q_busy.lock); + list_for_each_entry_safe(mdl, tmp, &s->q_busy.list, list) { + /* + * We should find what the firmware told us is done, + * right at the front of the queue. If we don't, we likely have + * missed an mdl done message from the firmware. + * Once we skip an mdl repeatedly, relative to the size of + * q_busy, we have high confidence we've missed it. + */ + if (mdl->id != id) { + mdl->skipped++; + if (mdl->skipped >= atomic_read(&s->q_busy.depth)-1) { + /* mdl must have fallen out of rotation */ + CX18_WARN("Skipped %s, MDL %d, %d " + "times - it must have dropped out of " + "rotation\n", s->name, mdl->id, + mdl->skipped); + /* Sweep it up to put it back into rotation */ + list_move_tail(&mdl->list, &sweep_up); + atomic_dec(&s->q_busy.depth); + } + continue; + } + /* + * We pull the desired mdl off of the queue here. Something + * will have to put it back on a queue later. + */ + list_del_init(&mdl->list); + atomic_dec(&s->q_busy.depth); + ret = mdl; + break; + } + spin_unlock(&s->q_busy.lock); + + /* + * We found the mdl for which we were looking. Get it ready for + * the caller to put on q_full or in the dvb ring buffer. + */ + if (ret != NULL) { + ret->bytesused = bytesused; + ret->skipped = 0; + /* 0'ed readpos, m_flags & curr_buf when mdl went on q_busy */ + cx18_mdl_update_bufs_for_cpu(s, ret); + if (s->type != CX18_ENC_STREAM_TYPE_TS) + set_bit(CX18_F_M_NEED_SWAP, &ret->m_flags); + } + + /* Put any mdls the firmware is ignoring back into normal rotation */ + list_for_each_entry_safe(mdl, tmp, &sweep_up, list) { + list_del_init(&mdl->list); + cx18_enqueue(s, mdl, &s->q_free); + } + return ret; +} + +/* Move all mdls of a queue, while flushing the mdl */ +static void cx18_queue_flush(struct cx18_stream *s, + struct cx18_queue *q_src, struct cx18_queue *q_dst) +{ + struct cx18_mdl *mdl; + + /* It only makes sense to flush to q_free or q_idle */ + if (q_src == q_dst || q_dst == &s->q_full || q_dst == &s->q_busy) + return; + + spin_lock(&q_src->lock); + spin_lock(&q_dst->lock); + while (!list_empty(&q_src->list)) { + mdl = list_first_entry(&q_src->list, struct cx18_mdl, list); + list_move_tail(&mdl->list, &q_dst->list); + mdl->bytesused = 0; + mdl->readpos = 0; + mdl->m_flags = 0; + mdl->skipped = 0; + mdl->curr_buf = NULL; + atomic_inc(&q_dst->depth); + } + cx18_queue_init(q_src); + spin_unlock(&q_src->lock); + spin_unlock(&q_dst->lock); +} + +void cx18_flush_queues(struct cx18_stream *s) +{ + cx18_queue_flush(s, &s->q_busy, &s->q_free); + cx18_queue_flush(s, &s->q_full, &s->q_free); +} + +/* + * Note, s->buf_pool is not protected by a lock, + * the stream better not have *anything* going on when calling this + */ +void cx18_unload_queues(struct cx18_stream *s) +{ + struct cx18_queue *q_idle = &s->q_idle; + struct cx18_mdl *mdl; + struct cx18_buffer *buf; + + /* Move all MDLS to q_idle */ + cx18_queue_flush(s, &s->q_busy, q_idle); + cx18_queue_flush(s, &s->q_full, q_idle); + cx18_queue_flush(s, &s->q_free, q_idle); + + /* Reset MDL id's and move all buffers back to the stream's buf_pool */ + spin_lock(&q_idle->lock); + list_for_each_entry(mdl, &q_idle->list, list) { + while (!list_empty(&mdl->buf_list)) { + buf = list_first_entry(&mdl->buf_list, + struct cx18_buffer, list); + list_move_tail(&buf->list, &s->buf_pool); + buf->bytesused = 0; + buf->readpos = 0; + } + mdl->id = s->mdl_base_idx; /* reset id to a "safe" value */ + /* all other mdl fields were cleared by cx18_queue_flush() */ + } + spin_unlock(&q_idle->lock); +} + +/* + * Note, s->buf_pool is not protected by a lock, + * the stream better not have *anything* going on when calling this + */ +void cx18_load_queues(struct cx18_stream *s) +{ + struct cx18 *cx = s->cx; + struct cx18_mdl *mdl; + struct cx18_buffer *buf; + int mdl_id; + int i; + u32 partial_buf_size; + + /* + * Attach buffers to MDLs, give the MDLs ids, and add MDLs to q_free + * Excess MDLs are left on q_idle + * Excess buffers are left in buf_pool and/or on an MDL in q_idle + */ + mdl_id = s->mdl_base_idx; + for (mdl = cx18_dequeue(s, &s->q_idle), i = s->bufs_per_mdl; + mdl != NULL && i == s->bufs_per_mdl; + mdl = cx18_dequeue(s, &s->q_idle)) { + + mdl->id = mdl_id; + + for (i = 0; i < s->bufs_per_mdl; i++) { + if (list_empty(&s->buf_pool)) + break; + + buf = list_first_entry(&s->buf_pool, struct cx18_buffer, + list); + list_move_tail(&buf->list, &mdl->buf_list); + + /* update the firmware's MDL array with this buffer */ + cx18_writel(cx, buf->dma_handle, + &cx->scb->cpu_mdl[mdl_id + i].paddr); + cx18_writel(cx, s->buf_size, + &cx->scb->cpu_mdl[mdl_id + i].length); + } + + if (i == s->bufs_per_mdl) { + /* + * The encoder doesn't honor s->mdl_size. So in the + * case of a non-integral number of buffers to meet + * mdl_size, we lie about the size of the last buffer + * in the MDL to get the encoder to really only send + * us mdl_size bytes per MDL transfer. + */ + partial_buf_size = s->mdl_size % s->buf_size; + if (partial_buf_size) { + cx18_writel(cx, partial_buf_size, + &cx->scb->cpu_mdl[mdl_id + i - 1].length); + } + cx18_enqueue(s, mdl, &s->q_free); + } else { + /* Not enough buffers for this MDL; we won't use it */ + cx18_push(s, mdl, &s->q_idle); + } + mdl_id += i; + } +} + +void _cx18_mdl_sync_for_device(struct cx18_stream *s, struct cx18_mdl *mdl) +{ + int dma = s->dma; + u32 buf_size = s->buf_size; + struct pci_dev *pci_dev = s->cx->pci_dev; + struct cx18_buffer *buf; + + list_for_each_entry(buf, &mdl->buf_list, list) + pci_dma_sync_single_for_device(pci_dev, buf->dma_handle, + buf_size, dma); +} + +int cx18_stream_alloc(struct cx18_stream *s) +{ + struct cx18 *cx = s->cx; + int i; + + if (s->buffers == 0) + return 0; + + CX18_DEBUG_INFO("Allocate %s stream: %d x %d buffers " + "(%d.%02d kB total)\n", + s->name, s->buffers, s->buf_size, + s->buffers * s->buf_size / 1024, + (s->buffers * s->buf_size * 100 / 1024) % 100); + + if (((char __iomem *)&cx->scb->cpu_mdl[cx->free_mdl_idx + s->buffers] - + (char __iomem *)cx->scb) > SCB_RESERVED_SIZE) { + unsigned bufsz = (((char __iomem *)cx->scb) + SCB_RESERVED_SIZE - + ((char __iomem *)cx->scb->cpu_mdl)); + + CX18_ERR("Too many buffers, cannot fit in SCB area\n"); + CX18_ERR("Max buffers = %zd\n", + bufsz / sizeof(struct cx18_mdl_ent)); + return -ENOMEM; + } + + s->mdl_base_idx = cx->free_mdl_idx; + + /* allocate stream buffers and MDLs */ + for (i = 0; i < s->buffers; i++) { + struct cx18_mdl *mdl; + struct cx18_buffer *buf; + + /* 1 MDL per buffer to handle the worst & also default case */ + mdl = kzalloc(sizeof(struct cx18_mdl), GFP_KERNEL|__GFP_NOWARN); + if (mdl == NULL) + break; + + buf = kzalloc(sizeof(struct cx18_buffer), + GFP_KERNEL|__GFP_NOWARN); + if (buf == NULL) { + kfree(mdl); + break; + } + + buf->buf = kmalloc(s->buf_size, GFP_KERNEL|__GFP_NOWARN); + if (buf->buf == NULL) { + kfree(mdl); + kfree(buf); + break; + } + + INIT_LIST_HEAD(&mdl->list); + INIT_LIST_HEAD(&mdl->buf_list); + mdl->id = s->mdl_base_idx; /* a somewhat safe value */ + cx18_enqueue(s, mdl, &s->q_idle); + + INIT_LIST_HEAD(&buf->list); + buf->dma_handle = pci_map_single(s->cx->pci_dev, + buf->buf, s->buf_size, s->dma); + cx18_buf_sync_for_cpu(s, buf); + list_add_tail(&buf->list, &s->buf_pool); + } + if (i == s->buffers) { + cx->free_mdl_idx += s->buffers; + return 0; + } + CX18_ERR("Couldn't allocate buffers for %s stream\n", s->name); + cx18_stream_free(s); + return -ENOMEM; +} + +void cx18_stream_free(struct cx18_stream *s) +{ + struct cx18_mdl *mdl; + struct cx18_buffer *buf; + struct cx18 *cx = s->cx; + + CX18_DEBUG_INFO("Deallocating buffers for %s stream\n", s->name); + + /* move all buffers to buf_pool and all MDLs to q_idle */ + cx18_unload_queues(s); + + /* empty q_idle */ + while ((mdl = cx18_dequeue(s, &s->q_idle))) + kfree(mdl); + + /* empty buf_pool */ + while (!list_empty(&s->buf_pool)) { + buf = list_first_entry(&s->buf_pool, struct cx18_buffer, list); + list_del_init(&buf->list); + + pci_unmap_single(s->cx->pci_dev, buf->dma_handle, + s->buf_size, s->dma); + kfree(buf->buf); + kfree(buf); + } +} diff --git a/drivers/media/pci/cx18/cx18-queue.h b/drivers/media/pci/cx18/cx18-queue.h new file mode 100644 index 0000000..4201ddc --- /dev/null +++ b/drivers/media/pci/cx18/cx18-queue.h @@ -0,0 +1,98 @@ +/* + * cx18 buffer queues + * + * Derived from ivtv-queue.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#define CX18_DMA_UNMAPPED ((u32) -1) + +/* cx18_buffer utility functions */ + +static inline void cx18_buf_sync_for_cpu(struct cx18_stream *s, + struct cx18_buffer *buf) +{ + pci_dma_sync_single_for_cpu(s->cx->pci_dev, buf->dma_handle, + s->buf_size, s->dma); +} + +static inline void cx18_buf_sync_for_device(struct cx18_stream *s, + struct cx18_buffer *buf) +{ + pci_dma_sync_single_for_device(s->cx->pci_dev, buf->dma_handle, + s->buf_size, s->dma); +} + +void _cx18_mdl_sync_for_device(struct cx18_stream *s, struct cx18_mdl *mdl); + +static inline void cx18_mdl_sync_for_device(struct cx18_stream *s, + struct cx18_mdl *mdl) +{ + if (list_is_singular(&mdl->buf_list)) + cx18_buf_sync_for_device(s, list_first_entry(&mdl->buf_list, + struct cx18_buffer, + list)); + else + _cx18_mdl_sync_for_device(s, mdl); +} + +void cx18_buf_swap(struct cx18_buffer *buf); +void _cx18_mdl_swap(struct cx18_mdl *mdl); + +static inline void cx18_mdl_swap(struct cx18_mdl *mdl) +{ + if (list_is_singular(&mdl->buf_list)) + cx18_buf_swap(list_first_entry(&mdl->buf_list, + struct cx18_buffer, list)); + else + _cx18_mdl_swap(mdl); +} + +/* cx18_queue utility functions */ +struct cx18_queue *_cx18_enqueue(struct cx18_stream *s, struct cx18_mdl *mdl, + struct cx18_queue *q, int to_front); + +static inline +struct cx18_queue *cx18_enqueue(struct cx18_stream *s, struct cx18_mdl *mdl, + struct cx18_queue *q) +{ + return _cx18_enqueue(s, mdl, q, 0); /* FIFO */ +} + +static inline +struct cx18_queue *cx18_push(struct cx18_stream *s, struct cx18_mdl *mdl, + struct cx18_queue *q) +{ + return _cx18_enqueue(s, mdl, q, 1); /* LIFO */ +} + +void cx18_queue_init(struct cx18_queue *q); +struct cx18_mdl *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q); +struct cx18_mdl *cx18_queue_get_mdl(struct cx18_stream *s, u32 id, + u32 bytesused); +void cx18_flush_queues(struct cx18_stream *s); + +/* queue MDL reconfiguration helpers */ +void cx18_unload_queues(struct cx18_stream *s); +void cx18_load_queues(struct cx18_stream *s); + +/* cx18_stream utility functions */ +int cx18_stream_alloc(struct cx18_stream *s); +void cx18_stream_free(struct cx18_stream *s); diff --git a/drivers/media/pci/cx18/cx18-scb.c b/drivers/media/pci/cx18/cx18-scb.c new file mode 100644 index 0000000..85cc596 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-scb.c @@ -0,0 +1,122 @@ +/* + * cx18 System Control Block initialization + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-io.h" +#include "cx18-scb.h" + +void cx18_init_scb(struct cx18 *cx) +{ + cx18_setup_page(cx, SCB_OFFSET); + cx18_memset_io(cx, cx->scb, 0, 0x10000); + + cx18_writel(cx, IRQ_APU_TO_CPU, &cx->scb->apu2cpu_irq); + cx18_writel(cx, IRQ_CPU_TO_APU_ACK, &cx->scb->cpu2apu_irq_ack); + cx18_writel(cx, IRQ_HPU_TO_CPU, &cx->scb->hpu2cpu_irq); + cx18_writel(cx, IRQ_CPU_TO_HPU_ACK, &cx->scb->cpu2hpu_irq_ack); + cx18_writel(cx, IRQ_PPU_TO_CPU, &cx->scb->ppu2cpu_irq); + cx18_writel(cx, IRQ_CPU_TO_PPU_ACK, &cx->scb->cpu2ppu_irq_ack); + cx18_writel(cx, IRQ_EPU_TO_CPU, &cx->scb->epu2cpu_irq); + cx18_writel(cx, IRQ_CPU_TO_EPU_ACK, &cx->scb->cpu2epu_irq_ack); + + cx18_writel(cx, IRQ_CPU_TO_APU, &cx->scb->cpu2apu_irq); + cx18_writel(cx, IRQ_APU_TO_CPU_ACK, &cx->scb->apu2cpu_irq_ack); + cx18_writel(cx, IRQ_HPU_TO_APU, &cx->scb->hpu2apu_irq); + cx18_writel(cx, IRQ_APU_TO_HPU_ACK, &cx->scb->apu2hpu_irq_ack); + cx18_writel(cx, IRQ_PPU_TO_APU, &cx->scb->ppu2apu_irq); + cx18_writel(cx, IRQ_APU_TO_PPU_ACK, &cx->scb->apu2ppu_irq_ack); + cx18_writel(cx, IRQ_EPU_TO_APU, &cx->scb->epu2apu_irq); + cx18_writel(cx, IRQ_APU_TO_EPU_ACK, &cx->scb->apu2epu_irq_ack); + + cx18_writel(cx, IRQ_CPU_TO_HPU, &cx->scb->cpu2hpu_irq); + cx18_writel(cx, IRQ_HPU_TO_CPU_ACK, &cx->scb->hpu2cpu_irq_ack); + cx18_writel(cx, IRQ_APU_TO_HPU, &cx->scb->apu2hpu_irq); + cx18_writel(cx, IRQ_HPU_TO_APU_ACK, &cx->scb->hpu2apu_irq_ack); + cx18_writel(cx, IRQ_PPU_TO_HPU, &cx->scb->ppu2hpu_irq); + cx18_writel(cx, IRQ_HPU_TO_PPU_ACK, &cx->scb->hpu2ppu_irq_ack); + cx18_writel(cx, IRQ_EPU_TO_HPU, &cx->scb->epu2hpu_irq); + cx18_writel(cx, IRQ_HPU_TO_EPU_ACK, &cx->scb->hpu2epu_irq_ack); + + cx18_writel(cx, IRQ_CPU_TO_PPU, &cx->scb->cpu2ppu_irq); + cx18_writel(cx, IRQ_PPU_TO_CPU_ACK, &cx->scb->ppu2cpu_irq_ack); + cx18_writel(cx, IRQ_APU_TO_PPU, &cx->scb->apu2ppu_irq); + cx18_writel(cx, IRQ_PPU_TO_APU_ACK, &cx->scb->ppu2apu_irq_ack); + cx18_writel(cx, IRQ_HPU_TO_PPU, &cx->scb->hpu2ppu_irq); + cx18_writel(cx, IRQ_PPU_TO_HPU_ACK, &cx->scb->ppu2hpu_irq_ack); + cx18_writel(cx, IRQ_EPU_TO_PPU, &cx->scb->epu2ppu_irq); + cx18_writel(cx, IRQ_PPU_TO_EPU_ACK, &cx->scb->ppu2epu_irq_ack); + + cx18_writel(cx, IRQ_CPU_TO_EPU, &cx->scb->cpu2epu_irq); + cx18_writel(cx, IRQ_EPU_TO_CPU_ACK, &cx->scb->epu2cpu_irq_ack); + cx18_writel(cx, IRQ_APU_TO_EPU, &cx->scb->apu2epu_irq); + cx18_writel(cx, IRQ_EPU_TO_APU_ACK, &cx->scb->epu2apu_irq_ack); + cx18_writel(cx, IRQ_HPU_TO_EPU, &cx->scb->hpu2epu_irq); + cx18_writel(cx, IRQ_EPU_TO_HPU_ACK, &cx->scb->epu2hpu_irq_ack); + cx18_writel(cx, IRQ_PPU_TO_EPU, &cx->scb->ppu2epu_irq); + cx18_writel(cx, IRQ_EPU_TO_PPU_ACK, &cx->scb->epu2ppu_irq_ack); + + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2cpu_mb), + &cx->scb->apu2cpu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2cpu_mb), + &cx->scb->hpu2cpu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2cpu_mb), + &cx->scb->ppu2cpu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2cpu_mb), + &cx->scb->epu2cpu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2apu_mb), + &cx->scb->cpu2apu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2apu_mb), + &cx->scb->hpu2apu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2apu_mb), + &cx->scb->ppu2apu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2apu_mb), + &cx->scb->epu2apu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2hpu_mb), + &cx->scb->cpu2hpu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2hpu_mb), + &cx->scb->apu2hpu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2hpu_mb), + &cx->scb->ppu2hpu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2hpu_mb), + &cx->scb->epu2hpu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2ppu_mb), + &cx->scb->cpu2ppu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2ppu_mb), + &cx->scb->apu2ppu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2ppu_mb), + &cx->scb->hpu2ppu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2ppu_mb), + &cx->scb->epu2ppu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2epu_mb), + &cx->scb->cpu2epu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2epu_mb), + &cx->scb->apu2epu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2epu_mb), + &cx->scb->hpu2epu_mb_offset); + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2epu_mb), + &cx->scb->ppu2epu_mb_offset); + + cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu_state), + &cx->scb->ipc_offset); + + cx18_writel(cx, 1, &cx->scb->epu_state); +} diff --git a/drivers/media/pci/cx18/cx18-scb.h b/drivers/media/pci/cx18/cx18-scb.h new file mode 100644 index 0000000..0887765 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-scb.h @@ -0,0 +1,280 @@ +/* + * cx18 System Control Block initialization + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#ifndef CX18_SCB_H +#define CX18_SCB_H + +#include "cx18-mailbox.h" + +/* NOTE: All ACK interrupts are in the SW2 register. All non-ACK interrupts + are in the SW1 register. */ + +#define IRQ_APU_TO_CPU 0x00000001 +#define IRQ_CPU_TO_APU_ACK 0x00000001 +#define IRQ_HPU_TO_CPU 0x00000002 +#define IRQ_CPU_TO_HPU_ACK 0x00000002 +#define IRQ_PPU_TO_CPU 0x00000004 +#define IRQ_CPU_TO_PPU_ACK 0x00000004 +#define IRQ_EPU_TO_CPU 0x00000008 +#define IRQ_CPU_TO_EPU_ACK 0x00000008 + +#define IRQ_CPU_TO_APU 0x00000010 +#define IRQ_APU_TO_CPU_ACK 0x00000010 +#define IRQ_HPU_TO_APU 0x00000020 +#define IRQ_APU_TO_HPU_ACK 0x00000020 +#define IRQ_PPU_TO_APU 0x00000040 +#define IRQ_APU_TO_PPU_ACK 0x00000040 +#define IRQ_EPU_TO_APU 0x00000080 +#define IRQ_APU_TO_EPU_ACK 0x00000080 + +#define IRQ_CPU_TO_HPU 0x00000100 +#define IRQ_HPU_TO_CPU_ACK 0x00000100 +#define IRQ_APU_TO_HPU 0x00000200 +#define IRQ_HPU_TO_APU_ACK 0x00000200 +#define IRQ_PPU_TO_HPU 0x00000400 +#define IRQ_HPU_TO_PPU_ACK 0x00000400 +#define IRQ_EPU_TO_HPU 0x00000800 +#define IRQ_HPU_TO_EPU_ACK 0x00000800 + +#define IRQ_CPU_TO_PPU 0x00001000 +#define IRQ_PPU_TO_CPU_ACK 0x00001000 +#define IRQ_APU_TO_PPU 0x00002000 +#define IRQ_PPU_TO_APU_ACK 0x00002000 +#define IRQ_HPU_TO_PPU 0x00004000 +#define IRQ_PPU_TO_HPU_ACK 0x00004000 +#define IRQ_EPU_TO_PPU 0x00008000 +#define IRQ_PPU_TO_EPU_ACK 0x00008000 + +#define IRQ_CPU_TO_EPU 0x00010000 +#define IRQ_EPU_TO_CPU_ACK 0x00010000 +#define IRQ_APU_TO_EPU 0x00020000 +#define IRQ_EPU_TO_APU_ACK 0x00020000 +#define IRQ_HPU_TO_EPU 0x00040000 +#define IRQ_EPU_TO_HPU_ACK 0x00040000 +#define IRQ_PPU_TO_EPU 0x00080000 +#define IRQ_EPU_TO_PPU_ACK 0x00080000 + +#define SCB_OFFSET 0xDC0000 + +/* If Firmware uses fixed memory map, it shall not allocate the area + between SCB_OFFSET and SCB_OFFSET+SCB_RESERVED_SIZE-1 inclusive */ +#define SCB_RESERVED_SIZE 0x10000 + + +/* This structure is used by EPU to provide memory descriptors in its memory */ +struct cx18_mdl_ent { + u32 paddr; /* Physical address of a buffer segment */ + u32 length; /* Length of the buffer segment */ +}; + +struct cx18_scb { + /* These fields form the System Control Block which is used at boot time + for localizing the IPC data as well as the code positions for all + processors. The offsets are from the start of this struct. */ + + /* Offset where to find the Inter-Processor Communication data */ + u32 ipc_offset; + u32 reserved01[7]; + /* Offset where to find the start of the CPU code */ + u32 cpu_code_offset; + u32 reserved02[3]; + /* Offset where to find the start of the APU code */ + u32 apu_code_offset; + u32 reserved03[3]; + /* Offset where to find the start of the HPU code */ + u32 hpu_code_offset; + u32 reserved04[3]; + /* Offset where to find the start of the PPU code */ + u32 ppu_code_offset; + u32 reserved05[3]; + + /* These fields form Inter-Processor Communication data which is used + by all processors to locate the information needed for communicating + with other processors */ + + /* Fields for CPU: */ + + /* bit 0: 1/0 processor ready/not ready. Set other bits to 0. */ + u32 cpu_state; + u32 reserved1[7]; + /* Offset to the mailbox used for sending commands from APU to CPU */ + u32 apu2cpu_mb_offset; + /* Value to write to register SW1 register set (0xC7003100) after the + command is ready */ + u32 apu2cpu_irq; + /* Value to write to register SW2 register set (0xC7003140) after the + command is cleared */ + u32 cpu2apu_irq_ack; + u32 reserved2[13]; + + u32 hpu2cpu_mb_offset; + u32 hpu2cpu_irq; + u32 cpu2hpu_irq_ack; + u32 reserved3[13]; + + u32 ppu2cpu_mb_offset; + u32 ppu2cpu_irq; + u32 cpu2ppu_irq_ack; + u32 reserved4[13]; + + u32 epu2cpu_mb_offset; + u32 epu2cpu_irq; + u32 cpu2epu_irq_ack; + u32 reserved5[13]; + u32 reserved6[8]; + + /* Fields for APU: */ + + u32 apu_state; + u32 reserved11[7]; + u32 cpu2apu_mb_offset; + u32 cpu2apu_irq; + u32 apu2cpu_irq_ack; + u32 reserved12[13]; + + u32 hpu2apu_mb_offset; + u32 hpu2apu_irq; + u32 apu2hpu_irq_ack; + u32 reserved13[13]; + + u32 ppu2apu_mb_offset; + u32 ppu2apu_irq; + u32 apu2ppu_irq_ack; + u32 reserved14[13]; + + u32 epu2apu_mb_offset; + u32 epu2apu_irq; + u32 apu2epu_irq_ack; + u32 reserved15[13]; + u32 reserved16[8]; + + /* Fields for HPU: */ + + u32 hpu_state; + u32 reserved21[7]; + u32 cpu2hpu_mb_offset; + u32 cpu2hpu_irq; + u32 hpu2cpu_irq_ack; + u32 reserved22[13]; + + u32 apu2hpu_mb_offset; + u32 apu2hpu_irq; + u32 hpu2apu_irq_ack; + u32 reserved23[13]; + + u32 ppu2hpu_mb_offset; + u32 ppu2hpu_irq; + u32 hpu2ppu_irq_ack; + u32 reserved24[13]; + + u32 epu2hpu_mb_offset; + u32 epu2hpu_irq; + u32 hpu2epu_irq_ack; + u32 reserved25[13]; + u32 reserved26[8]; + + /* Fields for PPU: */ + + u32 ppu_state; + u32 reserved31[7]; + u32 cpu2ppu_mb_offset; + u32 cpu2ppu_irq; + u32 ppu2cpu_irq_ack; + u32 reserved32[13]; + + u32 apu2ppu_mb_offset; + u32 apu2ppu_irq; + u32 ppu2apu_irq_ack; + u32 reserved33[13]; + + u32 hpu2ppu_mb_offset; + u32 hpu2ppu_irq; + u32 ppu2hpu_irq_ack; + u32 reserved34[13]; + + u32 epu2ppu_mb_offset; + u32 epu2ppu_irq; + u32 ppu2epu_irq_ack; + u32 reserved35[13]; + u32 reserved36[8]; + + /* Fields for EPU: */ + + u32 epu_state; + u32 reserved41[7]; + u32 cpu2epu_mb_offset; + u32 cpu2epu_irq; + u32 epu2cpu_irq_ack; + u32 reserved42[13]; + + u32 apu2epu_mb_offset; + u32 apu2epu_irq; + u32 epu2apu_irq_ack; + u32 reserved43[13]; + + u32 hpu2epu_mb_offset; + u32 hpu2epu_irq; + u32 epu2hpu_irq_ack; + u32 reserved44[13]; + + u32 ppu2epu_mb_offset; + u32 ppu2epu_irq; + u32 epu2ppu_irq_ack; + u32 reserved45[13]; + u32 reserved46[8]; + + u32 semaphores[8]; /* Semaphores */ + + u32 reserved50[32]; /* Reserved for future use */ + + struct cx18_mailbox apu2cpu_mb; + struct cx18_mailbox hpu2cpu_mb; + struct cx18_mailbox ppu2cpu_mb; + struct cx18_mailbox epu2cpu_mb; + + struct cx18_mailbox cpu2apu_mb; + struct cx18_mailbox hpu2apu_mb; + struct cx18_mailbox ppu2apu_mb; + struct cx18_mailbox epu2apu_mb; + + struct cx18_mailbox cpu2hpu_mb; + struct cx18_mailbox apu2hpu_mb; + struct cx18_mailbox ppu2hpu_mb; + struct cx18_mailbox epu2hpu_mb; + + struct cx18_mailbox cpu2ppu_mb; + struct cx18_mailbox apu2ppu_mb; + struct cx18_mailbox hpu2ppu_mb; + struct cx18_mailbox epu2ppu_mb; + + struct cx18_mailbox cpu2epu_mb; + struct cx18_mailbox apu2epu_mb; + struct cx18_mailbox hpu2epu_mb; + struct cx18_mailbox ppu2epu_mb; + + struct cx18_mdl_ack cpu_mdl_ack[CX18_MAX_STREAMS][CX18_MAX_MDL_ACKS]; + struct cx18_mdl_ent cpu_mdl[1]; +}; + +void cx18_init_scb(struct cx18 *cx); + +#endif diff --git a/drivers/media/pci/cx18/cx18-streams.c b/drivers/media/pci/cx18/cx18-streams.c new file mode 100644 index 0000000..843c62b --- /dev/null +++ b/drivers/media/pci/cx18/cx18-streams.c @@ -0,0 +1,1059 @@ +/* + * cx18 init/start/stop/exit stream functions + * + * Derived from ivtv-streams.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-io.h" +#include "cx18-fileops.h" +#include "cx18-mailbox.h" +#include "cx18-i2c.h" +#include "cx18-queue.h" +#include "cx18-ioctl.h" +#include "cx18-streams.h" +#include "cx18-cards.h" +#include "cx18-scb.h" +#include "cx18-dvb.h" + +#define CX18_DSP0_INTERRUPT_MASK 0xd0004C + +static struct v4l2_file_operations cx18_v4l2_enc_fops = { + .owner = THIS_MODULE, + .read = cx18_v4l2_read, + .open = cx18_v4l2_open, + .unlocked_ioctl = video_ioctl2, + .release = cx18_v4l2_close, + .poll = cx18_v4l2_enc_poll, + .mmap = cx18_v4l2_mmap, +}; + +/* offset from 0 to register ts v4l2 minors on */ +#define CX18_V4L2_ENC_TS_OFFSET 16 +/* offset from 0 to register pcm v4l2 minors on */ +#define CX18_V4L2_ENC_PCM_OFFSET 24 +/* offset from 0 to register yuv v4l2 minors on */ +#define CX18_V4L2_ENC_YUV_OFFSET 32 + +static struct { + const char *name; + int vfl_type; + int num_offset; + int dma; +} cx18_stream_info[] = { + { /* CX18_ENC_STREAM_TYPE_MPG */ + "encoder MPEG", + VFL_TYPE_GRABBER, 0, + PCI_DMA_FROMDEVICE, + }, + { /* CX18_ENC_STREAM_TYPE_TS */ + "TS", + VFL_TYPE_GRABBER, -1, + PCI_DMA_FROMDEVICE, + }, + { /* CX18_ENC_STREAM_TYPE_YUV */ + "encoder YUV", + VFL_TYPE_GRABBER, CX18_V4L2_ENC_YUV_OFFSET, + PCI_DMA_FROMDEVICE, + }, + { /* CX18_ENC_STREAM_TYPE_VBI */ + "encoder VBI", + VFL_TYPE_VBI, 0, + PCI_DMA_FROMDEVICE, + }, + { /* CX18_ENC_STREAM_TYPE_PCM */ + "encoder PCM audio", + VFL_TYPE_GRABBER, CX18_V4L2_ENC_PCM_OFFSET, + PCI_DMA_FROMDEVICE, + }, + { /* CX18_ENC_STREAM_TYPE_IDX */ + "encoder IDX", + VFL_TYPE_GRABBER, -1, + PCI_DMA_FROMDEVICE, + }, + { /* CX18_ENC_STREAM_TYPE_RAD */ + "encoder radio", + VFL_TYPE_RADIO, 0, + PCI_DMA_NONE, + }, +}; + + +static void cx18_dma_free(struct videobuf_queue *q, + struct cx18_stream *s, struct cx18_videobuf_buffer *buf) +{ + videobuf_waiton(q, &buf->vb, 0, 0); + videobuf_vmalloc_free(&buf->vb); + buf->vb.state = VIDEOBUF_NEEDS_INIT; +} + +static int cx18_prepare_buffer(struct videobuf_queue *q, + struct cx18_stream *s, + struct cx18_videobuf_buffer *buf, + u32 pixelformat, + unsigned int width, unsigned int height, + enum v4l2_field field) +{ + struct cx18 *cx = s->cx; + int rc = 0; + + /* check settings */ + buf->bytes_used = 0; + + if ((width < 48) || (height < 32)) + return -EINVAL; + + buf->vb.size = (width * height * 2); + if ((buf->vb.baddr != 0) && (buf->vb.bsize < buf->vb.size)) + return -EINVAL; + + /* alloc + fill struct (if changed) */ + if (buf->vb.width != width || buf->vb.height != height || + buf->vb.field != field || s->pixelformat != pixelformat || + buf->tvnorm != cx->std) { + + buf->vb.width = width; + buf->vb.height = height; + buf->vb.field = field; + buf->tvnorm = cx->std; + s->pixelformat = pixelformat; + + /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2))) + UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */ + if (s->pixelformat == V4L2_PIX_FMT_HM12) + s->vb_bytes_per_frame = height * 720 * 3 / 2; + else + s->vb_bytes_per_frame = height * 720 * 2; + cx18_dma_free(q, s, buf); + } + + if ((buf->vb.baddr != 0) && (buf->vb.bsize < buf->vb.size)) + return -EINVAL; + + if (buf->vb.field == 0) + buf->vb.field = V4L2_FIELD_INTERLACED; + + if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { + buf->vb.width = width; + buf->vb.height = height; + buf->vb.field = field; + buf->tvnorm = cx->std; + s->pixelformat = pixelformat; + + /* HM12 YUV size is (Y=(h*720) + UV=(h*(720/2))) + UYUV YUV size is (Y=(h*720) + UV=(h*(720))) */ + if (s->pixelformat == V4L2_PIX_FMT_HM12) + s->vb_bytes_per_frame = height * 720 * 3 / 2; + else + s->vb_bytes_per_frame = height * 720 * 2; + rc = videobuf_iolock(q, &buf->vb, NULL); + if (rc != 0) + goto fail; + } + buf->vb.state = VIDEOBUF_PREPARED; + return 0; + +fail: + cx18_dma_free(q, s, buf); + return rc; + +} + +/* VB_MIN_BUFSIZE is lcm(1440 * 480, 1440 * 576) + 1440 is a single line of 4:2:2 YUV at 720 luma samples wide +*/ +#define VB_MIN_BUFFERS 32 +#define VB_MIN_BUFSIZE 4147200 + +static int buffer_setup(struct videobuf_queue *q, + unsigned int *count, unsigned int *size) +{ + struct cx18_stream *s = q->priv_data; + struct cx18 *cx = s->cx; + + *size = 2 * cx->cxhdl.width * cx->cxhdl.height; + if (*count == 0) + *count = VB_MIN_BUFFERS; + + while (*size * *count > VB_MIN_BUFFERS * VB_MIN_BUFSIZE) + (*count)--; + + q->field = V4L2_FIELD_INTERLACED; + q->last = V4L2_FIELD_INTERLACED; + + return 0; +} + +static int buffer_prepare(struct videobuf_queue *q, + struct videobuf_buffer *vb, + enum v4l2_field field) +{ + struct cx18_videobuf_buffer *buf = + container_of(vb, struct cx18_videobuf_buffer, vb); + struct cx18_stream *s = q->priv_data; + struct cx18 *cx = s->cx; + + return cx18_prepare_buffer(q, s, buf, s->pixelformat, + cx->cxhdl.width, cx->cxhdl.height, field); +} + +static void buffer_release(struct videobuf_queue *q, + struct videobuf_buffer *vb) +{ + struct cx18_videobuf_buffer *buf = + container_of(vb, struct cx18_videobuf_buffer, vb); + struct cx18_stream *s = q->priv_data; + + cx18_dma_free(q, s, buf); +} + +static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) +{ + struct cx18_videobuf_buffer *buf = + container_of(vb, struct cx18_videobuf_buffer, vb); + struct cx18_stream *s = q->priv_data; + + buf->vb.state = VIDEOBUF_QUEUED; + + list_add_tail(&buf->vb.queue, &s->vb_capture); +} + +static struct videobuf_queue_ops cx18_videobuf_qops = { + .buf_setup = buffer_setup, + .buf_prepare = buffer_prepare, + .buf_queue = buffer_queue, + .buf_release = buffer_release, +}; + +static void cx18_stream_init(struct cx18 *cx, int type) +{ + struct cx18_stream *s = &cx->streams[type]; + struct video_device *video_dev = s->video_dev; + + /* we need to keep video_dev, so restore it afterwards */ + memset(s, 0, sizeof(*s)); + s->video_dev = video_dev; + + /* initialize cx18_stream fields */ + s->dvb = NULL; + s->cx = cx; + s->type = type; + s->name = cx18_stream_info[type].name; + s->handle = CX18_INVALID_TASK_HANDLE; + + s->dma = cx18_stream_info[type].dma; + s->buffers = cx->stream_buffers[type]; + s->buf_size = cx->stream_buf_size[type]; + INIT_LIST_HEAD(&s->buf_pool); + s->bufs_per_mdl = 1; + s->mdl_size = s->buf_size * s->bufs_per_mdl; + + init_waitqueue_head(&s->waitq); + s->id = -1; + spin_lock_init(&s->q_free.lock); + cx18_queue_init(&s->q_free); + spin_lock_init(&s->q_busy.lock); + cx18_queue_init(&s->q_busy); + spin_lock_init(&s->q_full.lock); + cx18_queue_init(&s->q_full); + spin_lock_init(&s->q_idle.lock); + cx18_queue_init(&s->q_idle); + + INIT_WORK(&s->out_work_order, cx18_out_work_handler); + + INIT_LIST_HEAD(&s->vb_capture); + s->vb_timeout.function = cx18_vb_timeout; + s->vb_timeout.data = (unsigned long)s; + init_timer(&s->vb_timeout); + spin_lock_init(&s->vb_lock); + if (type == CX18_ENC_STREAM_TYPE_YUV) { + spin_lock_init(&s->vbuf_q_lock); + + s->vb_type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + videobuf_queue_vmalloc_init(&s->vbuf_q, &cx18_videobuf_qops, + &cx->pci_dev->dev, &s->vbuf_q_lock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx18_videobuf_buffer), + s, &cx->serialize_lock); + + /* Assume the previous pixel default */ + s->pixelformat = V4L2_PIX_FMT_HM12; + s->vb_bytes_per_frame = cx->cxhdl.height * 720 * 3 / 2; + } +} + +static int cx18_prep_dev(struct cx18 *cx, int type) +{ + struct cx18_stream *s = &cx->streams[type]; + u32 cap = cx->v4l2_cap; + int num_offset = cx18_stream_info[type].num_offset; + int num = cx->instance + cx18_first_minor + num_offset; + + /* + * These five fields are always initialized. + * For analog capture related streams, if video_dev == NULL then the + * stream is not in use. + * For the TS stream, if dvb == NULL then the stream is not in use. + * In those cases no other fields but these four can be used. + */ + s->video_dev = NULL; + s->dvb = NULL; + s->cx = cx; + s->type = type; + s->name = cx18_stream_info[type].name; + + /* Check whether the radio is supported */ + if (type == CX18_ENC_STREAM_TYPE_RAD && !(cap & V4L2_CAP_RADIO)) + return 0; + + /* Check whether VBI is supported */ + if (type == CX18_ENC_STREAM_TYPE_VBI && + !(cap & (V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE))) + return 0; + + /* User explicitly selected 0 buffers for these streams, so don't + create them. */ + if (cx18_stream_info[type].dma != PCI_DMA_NONE && + cx->stream_buffers[type] == 0) { + CX18_INFO("Disabled %s device\n", cx18_stream_info[type].name); + return 0; + } + + cx18_stream_init(cx, type); + + /* Allocate the cx18_dvb struct only for the TS on cards with DTV */ + if (type == CX18_ENC_STREAM_TYPE_TS) { + if (cx->card->hw_all & CX18_HW_DVB) { + s->dvb = kzalloc(sizeof(struct cx18_dvb), GFP_KERNEL); + if (s->dvb == NULL) { + CX18_ERR("Couldn't allocate cx18_dvb structure" + " for %s\n", s->name); + return -ENOMEM; + } + } else { + /* Don't need buffers for the TS, if there is no DVB */ + s->buffers = 0; + } + } + + if (num_offset == -1) + return 0; + + /* allocate and initialize the v4l2 video device structure */ + s->video_dev = video_device_alloc(); + if (s->video_dev == NULL) { + CX18_ERR("Couldn't allocate v4l2 video_device for %s\n", + s->name); + return -ENOMEM; + } + + snprintf(s->video_dev->name, sizeof(s->video_dev->name), "%s %s", + cx->v4l2_dev.name, s->name); + + s->video_dev->num = num; + s->video_dev->v4l2_dev = &cx->v4l2_dev; + s->video_dev->fops = &cx18_v4l2_enc_fops; + s->video_dev->release = video_device_release; + s->video_dev->tvnorms = V4L2_STD_ALL; + s->video_dev->lock = &cx->serialize_lock; + set_bit(V4L2_FL_USE_FH_PRIO, &s->video_dev->flags); + cx18_set_funcs(s->video_dev); + return 0; +} + +/* Initialize v4l2 variables and register v4l2 devices */ +int cx18_streams_setup(struct cx18 *cx) +{ + int type, ret; + + /* Setup V4L2 Devices */ + for (type = 0; type < CX18_MAX_STREAMS; type++) { + /* Prepare device */ + ret = cx18_prep_dev(cx, type); + if (ret < 0) + break; + + /* Allocate Stream */ + ret = cx18_stream_alloc(&cx->streams[type]); + if (ret < 0) + break; + } + if (type == CX18_MAX_STREAMS) + return 0; + + /* One or more streams could not be initialized. Clean 'em all up. */ + cx18_streams_cleanup(cx, 0); + return ret; +} + +static int cx18_reg_dev(struct cx18 *cx, int type) +{ + struct cx18_stream *s = &cx->streams[type]; + int vfl_type = cx18_stream_info[type].vfl_type; + const char *name; + int num, ret; + + if (type == CX18_ENC_STREAM_TYPE_TS && s->dvb != NULL) { + ret = cx18_dvb_register(s); + if (ret < 0) { + CX18_ERR("DVB failed to register\n"); + return ret; + } + } + + if (s->video_dev == NULL) + return 0; + + num = s->video_dev->num; + /* card number + user defined offset + device offset */ + if (type != CX18_ENC_STREAM_TYPE_MPG) { + struct cx18_stream *s_mpg = &cx->streams[CX18_ENC_STREAM_TYPE_MPG]; + + if (s_mpg->video_dev) + num = s_mpg->video_dev->num + + cx18_stream_info[type].num_offset; + } + video_set_drvdata(s->video_dev, s); + + /* Register device. First try the desired minor, then any free one. */ + ret = video_register_device_no_warn(s->video_dev, vfl_type, num); + if (ret < 0) { + CX18_ERR("Couldn't register v4l2 device for %s (device node number %d)\n", + s->name, num); + video_device_release(s->video_dev); + s->video_dev = NULL; + return ret; + } + + name = video_device_node_name(s->video_dev); + + switch (vfl_type) { + case VFL_TYPE_GRABBER: + CX18_INFO("Registered device %s for %s (%d x %d.%02d kB)\n", + name, s->name, cx->stream_buffers[type], + cx->stream_buf_size[type] / 1024, + (cx->stream_buf_size[type] * 100 / 1024) % 100); + break; + + case VFL_TYPE_RADIO: + CX18_INFO("Registered device %s for %s\n", name, s->name); + break; + + case VFL_TYPE_VBI: + if (cx->stream_buffers[type]) + CX18_INFO("Registered device %s for %s " + "(%d x %d bytes)\n", + name, s->name, cx->stream_buffers[type], + cx->stream_buf_size[type]); + else + CX18_INFO("Registered device %s for %s\n", + name, s->name); + break; + } + + return 0; +} + +/* Register v4l2 devices */ +int cx18_streams_register(struct cx18 *cx) +{ + int type; + int err; + int ret = 0; + + /* Register V4L2 devices */ + for (type = 0; type < CX18_MAX_STREAMS; type++) { + err = cx18_reg_dev(cx, type); + if (err && ret == 0) + ret = err; + } + + if (ret == 0) + return 0; + + /* One or more streams could not be initialized. Clean 'em all up. */ + cx18_streams_cleanup(cx, 1); + return ret; +} + +/* Unregister v4l2 devices */ +void cx18_streams_cleanup(struct cx18 *cx, int unregister) +{ + struct video_device *vdev; + int type; + + /* Teardown all streams */ + for (type = 0; type < CX18_MAX_STREAMS; type++) { + + /* The TS has a cx18_dvb structure, not a video_device */ + if (type == CX18_ENC_STREAM_TYPE_TS) { + if (cx->streams[type].dvb != NULL) { + if (unregister) + cx18_dvb_unregister(&cx->streams[type]); + kfree(cx->streams[type].dvb); + cx->streams[type].dvb = NULL; + cx18_stream_free(&cx->streams[type]); + } + continue; + } + + /* No struct video_device, but can have buffers allocated */ + if (type == CX18_ENC_STREAM_TYPE_IDX) { + /* If the module params didn't inhibit IDX ... */ + if (cx->stream_buffers[type] != 0) { + cx->stream_buffers[type] = 0; + /* + * Before calling cx18_stream_free(), + * check if the IDX stream was actually set up. + * Needed, since the cx18_probe() error path + * exits through here as well as normal clean up + */ + if (cx->streams[type].buffers != 0) + cx18_stream_free(&cx->streams[type]); + } + continue; + } + + /* If struct video_device exists, can have buffers allocated */ + vdev = cx->streams[type].video_dev; + + cx->streams[type].video_dev = NULL; + if (vdev == NULL) + continue; + + if (type == CX18_ENC_STREAM_TYPE_YUV) + videobuf_mmap_free(&cx->streams[type].vbuf_q); + + cx18_stream_free(&cx->streams[type]); + + /* Unregister or release device */ + if (unregister) + video_unregister_device(vdev); + else + video_device_release(vdev); + } +} + +static void cx18_vbi_setup(struct cx18_stream *s) +{ + struct cx18 *cx = s->cx; + int raw = cx18_raw_vbi(cx); + u32 data[CX2341X_MBOX_MAX_DATA]; + int lines; + + if (cx->is_60hz) { + cx->vbi.count = 12; + cx->vbi.start[0] = 10; + cx->vbi.start[1] = 273; + } else { /* PAL/SECAM */ + cx->vbi.count = 18; + cx->vbi.start[0] = 6; + cx->vbi.start[1] = 318; + } + + /* setup VBI registers */ + if (raw) + v4l2_subdev_call(cx->sd_av, vbi, s_raw_fmt, &cx->vbi.in.fmt.vbi); + else + v4l2_subdev_call(cx->sd_av, vbi, s_sliced_fmt, &cx->vbi.in.fmt.sliced); + + /* + * Send the CX18_CPU_SET_RAW_VBI_PARAM API command to setup Encoder Raw + * VBI when the first analog capture channel starts, as once it starts + * (e.g. MPEG), we can't effect any change in the Encoder Raw VBI setup + * (i.e. for the VBI capture channels). We also send it for each + * analog capture channel anyway just to make sure we get the proper + * behavior + */ + if (raw) { + lines = cx->vbi.count * 2; + } else { + /* + * For 525/60 systems, according to the VIP 2 & BT.656 std: + * The EAV RP code's Field bit toggles on line 4, a few lines + * after the Vertcal Blank bit has already toggled. + * Tell the encoder to capture 21-4+1=18 lines per field, + * since we want lines 10 through 21. + * + * For 625/50 systems, according to the VIP 2 & BT.656 std: + * The EAV RP code's Field bit toggles on line 1, a few lines + * after the Vertcal Blank bit has already toggled. + * (We've actually set the digitizer so that the Field bit + * toggles on line 2.) Tell the encoder to capture 23-2+1=22 + * lines per field, since we want lines 6 through 23. + */ + lines = cx->is_60hz ? (21 - 4 + 1) * 2 : (23 - 2 + 1) * 2; + } + + data[0] = s->handle; + /* Lines per field */ + data[1] = (lines / 2) | ((lines / 2) << 16); + /* bytes per line */ + data[2] = (raw ? vbi_active_samples + : (cx->is_60hz ? vbi_hblank_samples_60Hz + : vbi_hblank_samples_50Hz)); + /* Every X number of frames a VBI interrupt arrives + (frames as in 25 or 30 fps) */ + data[3] = 1; + /* + * Set the SAV/EAV RP codes to look for as start/stop points + * when in VIP-1.1 mode + */ + if (raw) { + /* + * Start codes for beginning of "active" line in vertical blank + * 0x20 ( VerticalBlank ) + * 0x60 ( EvenField VerticalBlank ) + */ + data[4] = 0x20602060; + /* + * End codes for end of "active" raw lines and regular lines + * 0x30 ( VerticalBlank HorizontalBlank) + * 0x70 ( EvenField VerticalBlank HorizontalBlank) + * 0x90 (Task HorizontalBlank) + * 0xd0 (Task EvenField HorizontalBlank) + */ + data[5] = 0x307090d0; + } else { + /* + * End codes for active video, we want data in the hblank region + * 0xb0 (Task 0 VerticalBlank HorizontalBlank) + * 0xf0 (Task EvenField VerticalBlank HorizontalBlank) + * + * Since the V bit is only allowed to toggle in the EAV RP code, + * just before the first active region line, these two + * are problematic: + * 0x90 (Task HorizontalBlank) + * 0xd0 (Task EvenField HorizontalBlank) + * + * We have set the digitzer such that we don't have to worry + * about these problem codes. + */ + data[4] = 0xB0F0B0F0; + /* + * Start codes for beginning of active line in vertical blank + * 0xa0 (Task VerticalBlank ) + * 0xe0 (Task EvenField VerticalBlank ) + */ + data[5] = 0xA0E0A0E0; + } + + CX18_DEBUG_INFO("Setup VBI h: %d lines %x bpl %d fr %d %x %x\n", + data[0], data[1], data[2], data[3], data[4], data[5]); + + cx18_api(cx, CX18_CPU_SET_RAW_VBI_PARAM, 6, data); +} + +void cx18_stream_rotate_idx_mdls(struct cx18 *cx) +{ + struct cx18_stream *s = &cx->streams[CX18_ENC_STREAM_TYPE_IDX]; + struct cx18_mdl *mdl; + + if (!cx18_stream_enabled(s)) + return; + + /* Return if the firmware is not running low on MDLs */ + if ((atomic_read(&s->q_free.depth) + atomic_read(&s->q_busy.depth)) >= + CX18_ENC_STREAM_TYPE_IDX_FW_MDL_MIN) + return; + + /* Return if there are no MDLs to rotate back to the firmware */ + if (atomic_read(&s->q_full.depth) < 2) + return; + + /* + * Take the oldest IDX MDL still holding data, and discard its index + * entries by scheduling the MDL to go back to the firmware + */ + mdl = cx18_dequeue(s, &s->q_full); + if (mdl != NULL) + cx18_enqueue(s, mdl, &s->q_free); +} + +static +struct cx18_queue *_cx18_stream_put_mdl_fw(struct cx18_stream *s, + struct cx18_mdl *mdl) +{ + struct cx18 *cx = s->cx; + struct cx18_queue *q; + + /* Don't give it to the firmware, if we're not running a capture */ + if (s->handle == CX18_INVALID_TASK_HANDLE || + test_bit(CX18_F_S_STOPPING, &s->s_flags) || + !test_bit(CX18_F_S_STREAMING, &s->s_flags)) + return cx18_enqueue(s, mdl, &s->q_free); + + q = cx18_enqueue(s, mdl, &s->q_busy); + if (q != &s->q_busy) + return q; /* The firmware has the max MDLs it can handle */ + + cx18_mdl_sync_for_device(s, mdl); + cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, s->handle, + (void __iomem *) &cx->scb->cpu_mdl[mdl->id] - cx->enc_mem, + s->bufs_per_mdl, mdl->id, s->mdl_size); + return q; +} + +static +void _cx18_stream_load_fw_queue(struct cx18_stream *s) +{ + struct cx18_queue *q; + struct cx18_mdl *mdl; + + if (atomic_read(&s->q_free.depth) == 0 || + atomic_read(&s->q_busy.depth) >= CX18_MAX_FW_MDLS_PER_STREAM) + return; + + /* Move from q_free to q_busy notifying the firmware, until the limit */ + do { + mdl = cx18_dequeue(s, &s->q_free); + if (mdl == NULL) + break; + q = _cx18_stream_put_mdl_fw(s, mdl); + } while (atomic_read(&s->q_busy.depth) < CX18_MAX_FW_MDLS_PER_STREAM + && q == &s->q_busy); +} + +void cx18_out_work_handler(struct work_struct *work) +{ + struct cx18_stream *s = + container_of(work, struct cx18_stream, out_work_order); + + _cx18_stream_load_fw_queue(s); +} + +static void cx18_stream_configure_mdls(struct cx18_stream *s) +{ + cx18_unload_queues(s); + + switch (s->type) { + case CX18_ENC_STREAM_TYPE_YUV: + /* + * Height should be a multiple of 32 lines. + * Set the MDL size to the exact size needed for one frame. + * Use enough buffers per MDL to cover the MDL size + */ + if (s->pixelformat == V4L2_PIX_FMT_HM12) + s->mdl_size = 720 * s->cx->cxhdl.height * 3 / 2; + else + s->mdl_size = 720 * s->cx->cxhdl.height * 2; + s->bufs_per_mdl = s->mdl_size / s->buf_size; + if (s->mdl_size % s->buf_size) + s->bufs_per_mdl++; + break; + case CX18_ENC_STREAM_TYPE_VBI: + s->bufs_per_mdl = 1; + if (cx18_raw_vbi(s->cx)) { + s->mdl_size = (s->cx->is_60hz ? 12 : 18) + * 2 * vbi_active_samples; + } else { + /* + * See comment in cx18_vbi_setup() below about the + * extra lines we capture in sliced VBI mode due to + * the lines on which EAV RP codes toggle. + */ + s->mdl_size = s->cx->is_60hz + ? (21 - 4 + 1) * 2 * vbi_hblank_samples_60Hz + : (23 - 2 + 1) * 2 * vbi_hblank_samples_50Hz; + } + break; + default: + s->bufs_per_mdl = 1; + s->mdl_size = s->buf_size * s->bufs_per_mdl; + break; + } + + cx18_load_queues(s); +} + +int cx18_start_v4l2_encode_stream(struct cx18_stream *s) +{ + u32 data[MAX_MB_ARGUMENTS]; + struct cx18 *cx = s->cx; + int captype = 0; + struct cx18_stream *s_idx; + + if (!cx18_stream_enabled(s)) + return -EINVAL; + + CX18_DEBUG_INFO("Start encoder stream %s\n", s->name); + + switch (s->type) { + case CX18_ENC_STREAM_TYPE_MPG: + captype = CAPTURE_CHANNEL_TYPE_MPEG; + cx->mpg_data_received = cx->vbi_data_inserted = 0; + cx->dualwatch_jiffies = jiffies; + cx->dualwatch_stereo_mode = v4l2_ctrl_g_ctrl(cx->cxhdl.audio_mode); + cx->search_pack_header = 0; + break; + + case CX18_ENC_STREAM_TYPE_IDX: + captype = CAPTURE_CHANNEL_TYPE_INDEX; + break; + case CX18_ENC_STREAM_TYPE_TS: + captype = CAPTURE_CHANNEL_TYPE_TS; + break; + case CX18_ENC_STREAM_TYPE_YUV: + captype = CAPTURE_CHANNEL_TYPE_YUV; + break; + case CX18_ENC_STREAM_TYPE_PCM: + captype = CAPTURE_CHANNEL_TYPE_PCM; + break; + case CX18_ENC_STREAM_TYPE_VBI: +#ifdef CX18_ENCODER_PARSES_SLICED + captype = cx18_raw_vbi(cx) ? + CAPTURE_CHANNEL_TYPE_VBI : CAPTURE_CHANNEL_TYPE_SLICED_VBI; +#else + /* + * Currently we set things up so that Sliced VBI from the + * digitizer is handled as Raw VBI by the encoder + */ + captype = CAPTURE_CHANNEL_TYPE_VBI; +#endif + cx->vbi.frame = 0; + cx->vbi.inserted_frame = 0; + memset(cx->vbi.sliced_mpeg_size, + 0, sizeof(cx->vbi.sliced_mpeg_size)); + break; + default: + return -EINVAL; + } + + /* Clear Streamoff flags in case left from last capture */ + clear_bit(CX18_F_S_STREAMOFF, &s->s_flags); + + cx18_vapi_result(cx, data, CX18_CREATE_TASK, 1, CPU_CMD_MASK_CAPTURE); + s->handle = data[0]; + cx18_vapi(cx, CX18_CPU_SET_CHANNEL_TYPE, 2, s->handle, captype); + + /* + * For everything but CAPTURE_CHANNEL_TYPE_TS, play it safe and + * set up all the parameters, as it is not obvious which parameters the + * firmware shares across capture channel types and which it does not. + * + * Some of the cx18_vapi() calls below apply to only certain capture + * channel types. We're hoping there's no harm in calling most of them + * anyway, as long as the values are all consistent. Setting some + * shared parameters will have no effect once an analog capture channel + * has started streaming. + */ + if (captype != CAPTURE_CHANNEL_TYPE_TS) { + cx18_vapi(cx, CX18_CPU_SET_VER_CROP_LINE, 2, s->handle, 0); + cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 3, 1); + cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 8, 0); + cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 4, 1); + + /* + * Audio related reset according to + * Documentation/video4linux/cx2341x/fw-encoder-api.txt + */ + if (atomic_read(&cx->ana_capturing) == 0) + cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2, + s->handle, 12); + + /* + * Number of lines for Field 1 & Field 2 according to + * Documentation/video4linux/cx2341x/fw-encoder-api.txt + * Field 1 is 312 for 625 line systems in BT.656 + * Field 2 is 313 for 625 line systems in BT.656 + */ + cx18_vapi(cx, CX18_CPU_SET_CAPTURE_LINE_NO, 3, + s->handle, 312, 313); + + if (cx->v4l2_cap & V4L2_CAP_VBI_CAPTURE) + cx18_vbi_setup(s); + + /* + * Select to receive I, P, and B frame index entries, if the + * index stream is enabled. Otherwise disable index entry + * generation. + */ + s_idx = &cx->streams[CX18_ENC_STREAM_TYPE_IDX]; + cx18_vapi_result(cx, data, CX18_CPU_SET_INDEXTABLE, 2, + s->handle, cx18_stream_enabled(s_idx) ? 7 : 0); + + /* Call out to the common CX2341x API setup for user controls */ + cx->cxhdl.priv = s; + cx2341x_handler_setup(&cx->cxhdl); + + /* + * When starting a capture and we're set for radio, + * ensure the video is muted, despite the user control. + */ + if (!cx->cxhdl.video_mute && + test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) + cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, s->handle, + (v4l2_ctrl_g_ctrl(cx->cxhdl.video_mute_yuv) << 8) | 1); + + /* Enable the Video Format Converter for UYVY 4:2:2 support, + * rather than the default HM12 Macroblovk 4:2:0 support. + */ + if (captype == CAPTURE_CHANNEL_TYPE_YUV) { + if (s->pixelformat == V4L2_PIX_FMT_UYVY) + cx18_vapi(cx, CX18_CPU_SET_VFC_PARAM, 2, + s->handle, 1); + else + /* If in doubt, default to HM12 */ + cx18_vapi(cx, CX18_CPU_SET_VFC_PARAM, 2, + s->handle, 0); + } + } + + if (atomic_read(&cx->tot_capturing) == 0) { + cx2341x_handler_set_busy(&cx->cxhdl, 1); + clear_bit(CX18_F_I_EOS, &cx->i_flags); + cx18_write_reg(cx, 7, CX18_DSP0_INTERRUPT_MASK); + } + + cx18_vapi(cx, CX18_CPU_DE_SET_MDL_ACK, 3, s->handle, + (void __iomem *)&cx->scb->cpu_mdl_ack[s->type][0] - cx->enc_mem, + (void __iomem *)&cx->scb->cpu_mdl_ack[s->type][1] - cx->enc_mem); + + /* Init all the cpu_mdls for this stream */ + cx18_stream_configure_mdls(s); + _cx18_stream_load_fw_queue(s); + + /* begin_capture */ + if (cx18_vapi(cx, CX18_CPU_CAPTURE_START, 1, s->handle)) { + CX18_DEBUG_WARN("Error starting capture!\n"); + /* Ensure we're really not capturing before releasing MDLs */ + set_bit(CX18_F_S_STOPPING, &s->s_flags); + if (s->type == CX18_ENC_STREAM_TYPE_MPG) + cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 2, s->handle, 1); + else + cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle); + clear_bit(CX18_F_S_STREAMING, &s->s_flags); + /* FIXME - CX18_F_S_STREAMOFF as well? */ + cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); + cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); + s->handle = CX18_INVALID_TASK_HANDLE; + clear_bit(CX18_F_S_STOPPING, &s->s_flags); + if (atomic_read(&cx->tot_capturing) == 0) { + set_bit(CX18_F_I_EOS, &cx->i_flags); + cx18_write_reg(cx, 5, CX18_DSP0_INTERRUPT_MASK); + } + return -EINVAL; + } + + /* you're live! sit back and await interrupts :) */ + if (captype != CAPTURE_CHANNEL_TYPE_TS) + atomic_inc(&cx->ana_capturing); + atomic_inc(&cx->tot_capturing); + return 0; +} +EXPORT_SYMBOL(cx18_start_v4l2_encode_stream); + +void cx18_stop_all_captures(struct cx18 *cx) +{ + int i; + + for (i = CX18_MAX_STREAMS - 1; i >= 0; i--) { + struct cx18_stream *s = &cx->streams[i]; + + if (!cx18_stream_enabled(s)) + continue; + if (test_bit(CX18_F_S_STREAMING, &s->s_flags)) + cx18_stop_v4l2_encode_stream(s, 0); + } +} + +int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end) +{ + struct cx18 *cx = s->cx; + + if (!cx18_stream_enabled(s)) + return -EINVAL; + + /* This function assumes that you are allowed to stop the capture + and that we are actually capturing */ + + CX18_DEBUG_INFO("Stop Capture\n"); + + if (atomic_read(&cx->tot_capturing) == 0) + return 0; + + set_bit(CX18_F_S_STOPPING, &s->s_flags); + if (s->type == CX18_ENC_STREAM_TYPE_MPG) + cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 2, s->handle, !gop_end); + else + cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle); + + if (s->type == CX18_ENC_STREAM_TYPE_MPG && gop_end) { + CX18_INFO("ignoring gop_end: not (yet?) supported by the firmware\n"); + } + + if (s->type != CX18_ENC_STREAM_TYPE_TS) + atomic_dec(&cx->ana_capturing); + atomic_dec(&cx->tot_capturing); + + /* Clear capture and no-read bits */ + clear_bit(CX18_F_S_STREAMING, &s->s_flags); + + /* Tell the CX23418 it can't use our buffers anymore */ + cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); + + cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); + s->handle = CX18_INVALID_TASK_HANDLE; + clear_bit(CX18_F_S_STOPPING, &s->s_flags); + + if (atomic_read(&cx->tot_capturing) > 0) + return 0; + + cx2341x_handler_set_busy(&cx->cxhdl, 0); + cx18_write_reg(cx, 5, CX18_DSP0_INTERRUPT_MASK); + wake_up(&s->waitq); + + return 0; +} +EXPORT_SYMBOL(cx18_stop_v4l2_encode_stream); + +u32 cx18_find_handle(struct cx18 *cx) +{ + int i; + + /* find first available handle to be used for global settings */ + for (i = 0; i < CX18_MAX_STREAMS; i++) { + struct cx18_stream *s = &cx->streams[i]; + + if (s->video_dev && (s->handle != CX18_INVALID_TASK_HANDLE)) + return s->handle; + } + return CX18_INVALID_TASK_HANDLE; +} + +struct cx18_stream *cx18_handle_to_stream(struct cx18 *cx, u32 handle) +{ + int i; + struct cx18_stream *s; + + if (handle == CX18_INVALID_TASK_HANDLE) + return NULL; + + for (i = 0; i < CX18_MAX_STREAMS; i++) { + s = &cx->streams[i]; + if (s->handle != handle) + continue; + if (cx18_stream_enabled(s)) + return s; + } + return NULL; +} diff --git a/drivers/media/pci/cx18/cx18-streams.h b/drivers/media/pci/cx18/cx18-streams.h new file mode 100644 index 0000000..713b0e6 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-streams.h @@ -0,0 +1,62 @@ +/* + * cx18 init/start/stop/exit stream functions + * + * Derived from ivtv-streams.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +u32 cx18_find_handle(struct cx18 *cx); +struct cx18_stream *cx18_handle_to_stream(struct cx18 *cx, u32 handle); +int cx18_streams_setup(struct cx18 *cx); +int cx18_streams_register(struct cx18 *cx); +void cx18_streams_cleanup(struct cx18 *cx, int unregister); + +#define CX18_ENC_STREAM_TYPE_IDX_FW_MDL_MIN (3) +void cx18_stream_rotate_idx_mdls(struct cx18 *cx); + +static inline bool cx18_stream_enabled(struct cx18_stream *s) +{ + return s->video_dev || + (s->dvb && s->dvb->enabled) || + (s->type == CX18_ENC_STREAM_TYPE_IDX && + s->cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] != 0); +} + +/* Related to submission of mdls to firmware */ +static inline void cx18_stream_load_fw_queue(struct cx18_stream *s) +{ + schedule_work(&s->out_work_order); +} + +static inline void cx18_stream_put_mdl_fw(struct cx18_stream *s, + struct cx18_mdl *mdl) +{ + /* Put mdl on q_free; the out work handler will move mdl(s) to q_busy */ + cx18_enqueue(s, mdl, &s->q_free); + cx18_stream_load_fw_queue(s); +} + +void cx18_out_work_handler(struct work_struct *work); + +/* Capture related */ +int cx18_start_v4l2_encode_stream(struct cx18_stream *s); +int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end); + +void cx18_stop_all_captures(struct cx18 *cx); diff --git a/drivers/media/pci/cx18/cx18-vbi.c b/drivers/media/pci/cx18/cx18-vbi.c new file mode 100644 index 0000000..add9964 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-vbi.c @@ -0,0 +1,277 @@ +/* + * cx18 Vertical Blank Interval support functions + * + * Derived from ivtv-vbi.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-vbi.h" +#include "cx18-ioctl.h" +#include "cx18-queue.h" + +/* + * Raster Reference/Protection (RP) bytes, used in Start/End Active + * Video codes emitted from the digitzer in VIP 1.x mode, that flag the start + * of VBI sample or VBI ancillary data regions in the digitial ratser line. + * + * Task FieldEven VerticalBlank HorizontalBlank 0 0 0 0 + */ +static const u8 raw_vbi_sav_rp[2] = { 0x20, 0x60 }; /* __V_, _FV_ */ +static const u8 sliced_vbi_eav_rp[2] = { 0xb0, 0xf0 }; /* T_VH, TFVH */ + +static void copy_vbi_data(struct cx18 *cx, int lines, u32 pts_stamp) +{ + int line = 0; + int i; + u32 linemask[2] = { 0, 0 }; + unsigned short size; + static const u8 mpeg_hdr_data[] = { + /* MPEG-2 Program Pack */ + 0x00, 0x00, 0x01, 0xba, /* Prog Pack start code */ + 0x44, 0x00, 0x0c, 0x66, 0x24, 0x01, /* SCR, SCR Ext, markers */ + 0x01, 0xd1, 0xd3, /* Mux Rate, markers */ + 0xfa, 0xff, 0xff, /* Res, Suff cnt, Stuff */ + /* MPEG-2 Private Stream 1 PES Packet */ + 0x00, 0x00, 0x01, 0xbd, /* Priv Stream 1 start */ + 0x00, 0x1a, /* length */ + 0x84, 0x80, 0x07, /* flags, hdr data len */ + 0x21, 0x00, 0x5d, 0x63, 0xa7, /* PTS, markers */ + 0xff, 0xff /* stuffing */ + }; + const int sd = sizeof(mpeg_hdr_data); /* start of vbi data */ + int idx = cx->vbi.frame % CX18_VBI_FRAMES; + u8 *dst = &cx->vbi.sliced_mpeg_data[idx][0]; + + for (i = 0; i < lines; i++) { + struct v4l2_sliced_vbi_data *sdata = cx->vbi.sliced_data + i; + int f, l; + + if (sdata->id == 0) + continue; + + l = sdata->line - 6; + f = sdata->field; + if (f) + l += 18; + if (l < 32) + linemask[0] |= (1 << l); + else + linemask[1] |= (1 << (l - 32)); + dst[sd + 12 + line * 43] = cx18_service2vbi(sdata->id); + memcpy(dst + sd + 12 + line * 43 + 1, sdata->data, 42); + line++; + } + memcpy(dst, mpeg_hdr_data, sizeof(mpeg_hdr_data)); + if (line == 36) { + /* All lines are used, so there is no space for the linemask + (the max size of the VBI data is 36 * 43 + 4 bytes). + So in this case we use the magic number 'ITV0'. */ + memcpy(dst + sd, "ITV0", 4); + memmove(dst + sd + 4, dst + sd + 12, line * 43); + size = 4 + ((43 * line + 3) & ~3); + } else { + memcpy(dst + sd, "itv0", 4); + cpu_to_le32s(&linemask[0]); + cpu_to_le32s(&linemask[1]); + memcpy(dst + sd + 4, &linemask[0], 8); + size = 12 + ((43 * line + 3) & ~3); + } + dst[4+16] = (size + 10) >> 8; + dst[5+16] = (size + 10) & 0xff; + dst[9+16] = 0x21 | ((pts_stamp >> 29) & 0x6); + dst[10+16] = (pts_stamp >> 22) & 0xff; + dst[11+16] = 1 | ((pts_stamp >> 14) & 0xff); + dst[12+16] = (pts_stamp >> 7) & 0xff; + dst[13+16] = 1 | ((pts_stamp & 0x7f) << 1); + cx->vbi.sliced_mpeg_size[idx] = sd + size; +} + +/* Compress raw VBI format, removes leading SAV codes and surplus space + after the frame. Returns new compressed size. */ +/* FIXME - this function ignores the input size. */ +static u32 compress_raw_buf(struct cx18 *cx, u8 *buf, u32 size, u32 hdr_size) +{ + u32 line_size = vbi_active_samples; + u32 lines = cx->vbi.count * 2; + u8 *q = buf; + u8 *p; + int i; + + /* Skip the header */ + buf += hdr_size; + + for (i = 0; i < lines; i++) { + p = buf + i * line_size; + + /* Look for SAV code */ + if (p[0] != 0xff || p[1] || p[2] || + (p[3] != raw_vbi_sav_rp[0] && + p[3] != raw_vbi_sav_rp[1])) + break; + if (i == lines - 1) { + /* last line is hdr_size bytes short - extrapolate it */ + memcpy(q, p + 4, line_size - 4 - hdr_size); + q += line_size - 4 - hdr_size; + p += line_size - hdr_size - 1; + memset(q, (int) *p, hdr_size); + } else { + memcpy(q, p + 4, line_size - 4); + q += line_size - 4; + } + } + return lines * (line_size - 4); +} + +static u32 compress_sliced_buf(struct cx18 *cx, u8 *buf, u32 size, + const u32 hdr_size) +{ + struct v4l2_decode_vbi_line vbi; + int i; + u32 line = 0; + u32 line_size = cx->is_60hz ? vbi_hblank_samples_60Hz + : vbi_hblank_samples_50Hz; + + /* find the first valid line */ + for (i = hdr_size, buf += hdr_size; i < size; i++, buf++) { + if (buf[0] == 0xff && !buf[1] && !buf[2] && + (buf[3] == sliced_vbi_eav_rp[0] || + buf[3] == sliced_vbi_eav_rp[1])) + break; + } + + /* + * The last line is short by hdr_size bytes, but for the remaining + * checks against size, we pretend that it is not, by counting the + * header bytes we knowingly skipped + */ + size -= (i - hdr_size); + if (size < line_size) + return line; + + for (i = 0; i < size / line_size; i++) { + u8 *p = buf + i * line_size; + + /* Look for EAV code */ + if (p[0] != 0xff || p[1] || p[2] || + (p[3] != sliced_vbi_eav_rp[0] && + p[3] != sliced_vbi_eav_rp[1])) + continue; + vbi.p = p + 4; + v4l2_subdev_call(cx->sd_av, vbi, decode_vbi_line, &vbi); + if (vbi.type) { + cx->vbi.sliced_data[line].id = vbi.type; + cx->vbi.sliced_data[line].field = vbi.is_second_field; + cx->vbi.sliced_data[line].line = vbi.line; + memcpy(cx->vbi.sliced_data[line].data, vbi.p, 42); + line++; + } + } + return line; +} + +static void _cx18_process_vbi_data(struct cx18 *cx, struct cx18_buffer *buf) +{ + /* + * The CX23418 provides a 12 byte header in its raw VBI buffers to us: + * 0x3fffffff [4 bytes of something] [4 byte presentation time stamp] + */ + struct vbi_data_hdr { + __be32 magic; + __be32 unknown; + __be32 pts; + } *hdr = (struct vbi_data_hdr *) buf->buf; + + u8 *p = (u8 *) buf->buf; + u32 size = buf->bytesused; + u32 pts; + int lines; + + /* + * The CX23418 sends us data that is 32 bit little-endian swapped, + * but we want the raw VBI bytes in the order they were in the raster + * line. This has a side effect of making the header big endian + */ + cx18_buf_swap(buf); + + /* Raw VBI data */ + if (cx18_raw_vbi(cx)) { + + size = buf->bytesused = + compress_raw_buf(cx, p, size, sizeof(struct vbi_data_hdr)); + + /* + * Hack needed for compatibility with old VBI software. + * Write the frame # at the last 4 bytes of the frame + */ + p += size - 4; + memcpy(p, &cx->vbi.frame, 4); + cx->vbi.frame++; + return; + } + + /* Sliced VBI data with data insertion */ + + pts = (be32_to_cpu(hdr->magic) == 0x3fffffff) ? be32_to_cpu(hdr->pts) + : 0; + + lines = compress_sliced_buf(cx, p, size, sizeof(struct vbi_data_hdr)); + + /* always return at least one empty line */ + if (lines == 0) { + cx->vbi.sliced_data[0].id = 0; + cx->vbi.sliced_data[0].line = 0; + cx->vbi.sliced_data[0].field = 0; + lines = 1; + } + buf->bytesused = size = lines * sizeof(cx->vbi.sliced_data[0]); + memcpy(p, &cx->vbi.sliced_data[0], size); + + if (cx->vbi.insert_mpeg) + copy_vbi_data(cx, lines, pts); + cx->vbi.frame++; +} + +void cx18_process_vbi_data(struct cx18 *cx, struct cx18_mdl *mdl, + int streamtype) +{ + struct cx18_buffer *buf; + u32 orig_used; + + if (streamtype != CX18_ENC_STREAM_TYPE_VBI) + return; + + /* + * Big assumption here: + * Every buffer hooked to the MDL's buf_list is a complete VBI frame + * that ends at the end of the buffer. + * + * To assume anything else would make the code in this file + * more complex, or require extra memcpy()'s to make the + * buffers satisfy the above assumption. It's just simpler to set + * up the encoder buffer transfers to make the assumption true. + */ + list_for_each_entry(buf, &mdl->buf_list, list) { + orig_used = buf->bytesused; + if (orig_used == 0) + break; + _cx18_process_vbi_data(cx, buf); + mdl->bytesused -= (orig_used - buf->bytesused); + } +} diff --git a/drivers/media/pci/cx18/cx18-vbi.h b/drivers/media/pci/cx18/cx18-vbi.h new file mode 100644 index 0000000..b365cf4 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-vbi.h @@ -0,0 +1,26 @@ +/* + * cx18 Vertical Blank Interval support functions + * + * Derived from ivtv-vbi.h + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +void cx18_process_vbi_data(struct cx18 *cx, struct cx18_mdl *mdl, + int streamtype); +int cx18_used_line(struct cx18 *cx, int line, int field); diff --git a/drivers/media/pci/cx18/cx18-version.h b/drivers/media/pci/cx18/cx18-version.h new file mode 100644 index 0000000..fed48b6 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-version.h @@ -0,0 +1,28 @@ +/* + * cx18 driver version information + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#ifndef CX18_VERSION_H +#define CX18_VERSION_H + +#define CX18_DRIVER_NAME "cx18" +#define CX18_VERSION "1.5.1" + +#endif diff --git a/drivers/media/pci/cx18/cx18-video.c b/drivers/media/pci/cx18/cx18-video.c new file mode 100644 index 0000000..6dc84aa --- /dev/null +++ b/drivers/media/pci/cx18/cx18-video.c @@ -0,0 +1,32 @@ +/* + * cx18 video interface functions + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-video.h" +#include "cx18-cards.h" + +void cx18_video_set_io(struct cx18 *cx) +{ + int inp = cx->active_input; + + v4l2_subdev_call(cx->sd_av, video, s_routing, + cx->card->video_inputs[inp].video_input, 0, 0); +} diff --git a/drivers/media/pci/cx18/cx18-video.h b/drivers/media/pci/cx18/cx18-video.h new file mode 100644 index 0000000..529006a --- /dev/null +++ b/drivers/media/pci/cx18/cx18-video.h @@ -0,0 +1,22 @@ +/* + * cx18 video interface functions + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +void cx18_video_set_io(struct cx18 *cx); diff --git a/drivers/media/pci/cx18/cx23418.h b/drivers/media/pci/cx18/cx23418.h new file mode 100644 index 0000000..767a8d2 --- /dev/null +++ b/drivers/media/pci/cx18/cx23418.h @@ -0,0 +1,492 @@ +/* + * cx18 header containing common defines. + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#ifndef CX23418_H +#define CX23418_H + +#include <media/cx2341x.h> + +#define MGR_CMD_MASK 0x40000000 +/* The MSB of the command code indicates that this is the completion of a + command */ +#define MGR_CMD_MASK_ACK (MGR_CMD_MASK | 0x80000000) + +/* Description: This command creates a new instance of a certain task + IN[0] - Task ID. This is one of the XPU_CMD_MASK_YYY where XPU is + the processor on which the task YYY will be created + OUT[0] - Task handle. This handle is passed along with commands to + dispatch to the right instance of the task + ReturnCode - One of the ERR_SYS_... */ +#define CX18_CREATE_TASK (MGR_CMD_MASK | 0x0001) + +/* Description: This command destroys an instance of a task + IN[0] - Task handle. Hanlde of the task to destroy + ReturnCode - One of the ERR_SYS_... */ +#define CX18_DESTROY_TASK (MGR_CMD_MASK | 0x0002) + +/* All commands for CPU have the following mask set */ +#define CPU_CMD_MASK 0x20000000 +#define CPU_CMD_MASK_DEBUG (CPU_CMD_MASK | 0x00000000) +#define CPU_CMD_MASK_ACK (CPU_CMD_MASK | 0x80000000) +#define CPU_CMD_MASK_CAPTURE (CPU_CMD_MASK | 0x00020000) +#define CPU_CMD_MASK_TS (CPU_CMD_MASK | 0x00040000) + +#define EPU_CMD_MASK 0x02000000 +#define EPU_CMD_MASK_DEBUG (EPU_CMD_MASK | 0x000000) +#define EPU_CMD_MASK_DE (EPU_CMD_MASK | 0x040000) + +#define APU_CMD_MASK 0x10000000 +#define APU_CMD_MASK_ACK (APU_CMD_MASK | 0x80000000) + +#define CX18_APU_ENCODING_METHOD_MPEG (0 << 28) +#define CX18_APU_ENCODING_METHOD_AC3 (1 << 28) + +/* Description: Command APU to start audio + IN[0] - audio parameters (same as CX18_CPU_SET_AUDIO_PARAMETERS?) + IN[1] - caller buffer address, or 0 + ReturnCode - ??? */ +#define CX18_APU_START (APU_CMD_MASK | 0x01) + +/* Description: Command APU to stop audio + IN[0] - encoding method to stop + ReturnCode - ??? */ +#define CX18_APU_STOP (APU_CMD_MASK | 0x02) + +/* Description: Command APU to reset the AI + ReturnCode - ??? */ +#define CX18_APU_RESETAI (APU_CMD_MASK | 0x05) + +/* Description: This command indicates that a Memory Descriptor List has been + filled with the requested channel type + IN[0] - Task handle. Handle of the task + IN[1] - Offset of the MDL_ACK from the beginning of the local DDR. + IN[2] - Number of CNXT_MDL_ACK structures in the array pointed to by IN[1] + ReturnCode - One of the ERR_DE_... */ +#define CX18_EPU_DMA_DONE (EPU_CMD_MASK_DE | 0x0001) + +/* Something interesting happened + IN[0] - A value to log + IN[1] - An offset of a string in the MiniMe memory; + 0/zero/NULL means "I have nothing to say" */ +#define CX18_EPU_DEBUG (EPU_CMD_MASK_DEBUG | 0x0003) + +/* Reads memory/registers (32-bit) + IN[0] - Address + OUT[1] - Value */ +#define CX18_CPU_DEBUG_PEEK32 (CPU_CMD_MASK_DEBUG | 0x0003) + +/* Description: This command starts streaming with the set channel type + IN[0] - Task handle. Handle of the task to start + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_CAPTURE_START (CPU_CMD_MASK_CAPTURE | 0x0002) + +/* Description: This command stops streaming with the set channel type + IN[0] - Task handle. Handle of the task to stop + IN[1] - 0 = stop at end of GOP, 1 = stop at end of frame (MPEG only) + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_CAPTURE_STOP (CPU_CMD_MASK_CAPTURE | 0x0003) + +/* Description: This command pauses streaming with the set channel type + IN[0] - Task handle. Handle of the task to pause + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_CAPTURE_PAUSE (CPU_CMD_MASK_CAPTURE | 0x0007) + +/* Description: This command resumes streaming with the set channel type + IN[0] - Task handle. Handle of the task to resume + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_CAPTURE_RESUME (CPU_CMD_MASK_CAPTURE | 0x0008) + +#define CAPTURE_CHANNEL_TYPE_NONE 0 +#define CAPTURE_CHANNEL_TYPE_MPEG 1 +#define CAPTURE_CHANNEL_TYPE_INDEX 2 +#define CAPTURE_CHANNEL_TYPE_YUV 3 +#define CAPTURE_CHANNEL_TYPE_PCM 4 +#define CAPTURE_CHANNEL_TYPE_VBI 5 +#define CAPTURE_CHANNEL_TYPE_SLICED_VBI 6 +#define CAPTURE_CHANNEL_TYPE_TS 7 +#define CAPTURE_CHANNEL_TYPE_MAX 15 + +/* Description: This command sets the channel type. This can only be done + when stopped. + IN[0] - Task handle. Handle of the task to start + IN[1] - Channel Type. See Below. + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_CHANNEL_TYPE (CPU_CMD_MASK_CAPTURE + 1) + +/* Description: Set stream output type + IN[0] - task handle. Handle of the task to start + IN[1] - type + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_STREAM_OUTPUT_TYPE (CPU_CMD_MASK_CAPTURE | 0x0012) + +/* Description: Set video input resolution and frame rate + IN[0] - task handle + IN[1] - reserved + IN[2] - reserved + IN[3] - reserved + IN[4] - reserved + IN[5] - frame rate, 0 - 29.97f/s, 1 - 25f/s + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_VIDEO_IN (CPU_CMD_MASK_CAPTURE | 0x0004) + +/* Description: Set video frame rate + IN[0] - task handle. Handle of the task to start + IN[1] - video bit rate mode + IN[2] - video average rate + IN[3] - video peak rate + IN[4] - system mux rate + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_VIDEO_RATE (CPU_CMD_MASK_CAPTURE | 0x0005) + +/* Description: Set video output resolution + IN[0] - task handle + IN[1] - horizontal size + IN[2] - vertical size + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_VIDEO_RESOLUTION (CPU_CMD_MASK_CAPTURE | 0x0006) + +/* Description: This command set filter parameters + IN[0] - Task handle. Handle of the task + IN[1] - type, 0 - temporal, 1 - spatial, 2 - median + IN[2] - mode, temporal/spatial: 0 - disable, 1 - static, 2 - dynamic + median: 0 = disable, 1 = horizontal, 2 = vertical, + 3 = horizontal/vertical, 4 = diagonal + IN[3] - strength, temporal 0 - 31, spatial 0 - 15 + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_FILTER_PARAM (CPU_CMD_MASK_CAPTURE | 0x0009) + +/* Description: This command set spatial filter type + IN[0] - Task handle. + IN[1] - luma type: 0 = disable, 1 = 1D horizontal only, 2 = 1D vertical only, + 3 = 2D H/V separable, 4 = 2D symmetric non-separable + IN[2] - chroma type: 0 - disable, 1 = 1D horizontal + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_SPATIAL_FILTER_TYPE (CPU_CMD_MASK_CAPTURE | 0x000C) + +/* Description: This command set coring levels for median filter + IN[0] - Task handle. + IN[1] - luma_high + IN[2] - luma_low + IN[3] - chroma_high + IN[4] - chroma_low + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_MEDIAN_CORING (CPU_CMD_MASK_CAPTURE | 0x000E) + +/* Description: This command set the picture type mask for index file + IN[0] - Task handle (ignored by firmware) + IN[1] - 0 = disable index file output + 1 = output I picture + 2 = P picture + 4 = B picture + other = illegal */ +#define CX18_CPU_SET_INDEXTABLE (CPU_CMD_MASK_CAPTURE | 0x0010) + +/* Description: Set audio parameters + IN[0] - task handle. Handle of the task to start + IN[1] - audio parameter + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_AUDIO_PARAMETERS (CPU_CMD_MASK_CAPTURE | 0x0011) + +/* Description: Set video mute + IN[0] - task handle. Handle of the task to start + IN[1] - bit31-24: muteYvalue + bit23-16: muteUvalue + bit15-8: muteVvalue + bit0: 1:mute, 0: unmute + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_VIDEO_MUTE (CPU_CMD_MASK_CAPTURE | 0x0013) + +/* Description: Set audio mute + IN[0] - task handle. Handle of the task to start + IN[1] - mute/unmute + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_AUDIO_MUTE (CPU_CMD_MASK_CAPTURE | 0x0014) + +/* Description: Set stream output type + IN[0] - task handle. Handle of the task to start + IN[1] - subType + SET_INITIAL_SCR 1 + SET_QUALITY_MODE 2 + SET_VIM_PROTECT_MODE 3 + SET_PTS_CORRECTION 4 + SET_USB_FLUSH_MODE 5 + SET_MERAQPAR_ENABLE 6 + SET_NAV_PACK_INSERTION 7 + SET_SCENE_CHANGE_ENABLE 8 + IN[2] - parameter 1 + IN[3] - parameter 2 + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_MISC_PARAMETERS (CPU_CMD_MASK_CAPTURE | 0x0015) + +/* Description: Set raw VBI parameters + IN[0] - Task handle + IN[1] - No. of input lines per field: + bit[15:0]: field 1, + bit[31:16]: field 2 + IN[2] - No. of input bytes per line + IN[3] - No. of output frames per transfer + IN[4] - start code + IN[5] - stop code + ReturnCode */ +#define CX18_CPU_SET_RAW_VBI_PARAM (CPU_CMD_MASK_CAPTURE | 0x0016) + +/* Description: Set capture line No. + IN[0] - task handle. Handle of the task to start + IN[1] - height1 + IN[2] - height2 + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_CAPTURE_LINE_NO (CPU_CMD_MASK_CAPTURE | 0x0017) + +/* Description: Set copyright + IN[0] - task handle. Handle of the task to start + IN[1] - copyright + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_COPYRIGHT (CPU_CMD_MASK_CAPTURE | 0x0018) + +/* Description: Set audio PID + IN[0] - task handle. Handle of the task to start + IN[1] - PID + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_AUDIO_PID (CPU_CMD_MASK_CAPTURE | 0x0019) + +/* Description: Set video PID + IN[0] - task handle. Handle of the task to start + IN[1] - PID + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_VIDEO_PID (CPU_CMD_MASK_CAPTURE | 0x001A) + +/* Description: Set Vertical Crop Line + IN[0] - task handle. Handle of the task to start + IN[1] - Line + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_VER_CROP_LINE (CPU_CMD_MASK_CAPTURE | 0x001B) + +/* Description: Set COP structure + IN[0] - task handle. Handle of the task to start + IN[1] - M + IN[2] - N + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_GOP_STRUCTURE (CPU_CMD_MASK_CAPTURE | 0x001C) + +/* Description: Set Scene Change Detection + IN[0] - task handle. Handle of the task to start + IN[1] - scene change + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_SCENE_CHANGE_DETECTION (CPU_CMD_MASK_CAPTURE | 0x001D) + +/* Description: Set Aspect Ratio + IN[0] - task handle. Handle of the task to start + IN[1] - AspectRatio + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_ASPECT_RATIO (CPU_CMD_MASK_CAPTURE | 0x001E) + +/* Description: Set Skip Input Frame + IN[0] - task handle. Handle of the task to start + IN[1] - skip input frames + ReturnCode - One of the ERR_CAPTURE_... */ +#define CX18_CPU_SET_SKIP_INPUT_FRAME (CPU_CMD_MASK_CAPTURE | 0x001F) + +/* Description: Set sliced VBI parameters - + Note This API will only apply to MPEG and Sliced VBI Channels + IN[0] - Task handle + IN[1] - output type, 0 - CC, 1 - Moji, 2 - Teletext + IN[2] - start / stop line + bit[15:0] start line number + bit[31:16] stop line number + IN[3] - number of output frames per interrupt + IN[4] - VBI insertion mode + bit 0: output user data, 1 - enable + bit 1: output private stream, 1 - enable + bit 2: mux option, 0 - in GOP, 1 - in picture + bit[7:0] private stream ID + IN[5] - insertion period while mux option is in picture + ReturnCode - VBI data offset */ +#define CX18_CPU_SET_SLICED_VBI_PARAM (CPU_CMD_MASK_CAPTURE | 0x0020) + +/* Description: Set the user data place holder + IN[0] - type of data (0 for user) + IN[1] - Stuffing period + IN[2] - ID data size in word (less than 10) + IN[3] - Pointer to ID buffer */ +#define CX18_CPU_SET_USERDATA_PLACE_HOLDER (CPU_CMD_MASK_CAPTURE | 0x0021) + + +/* Description: + In[0] Task Handle + return parameter: + Out[0] Reserved + Out[1] Video PTS bit[32:2] of last output video frame. + Out[2] Video PTS bit[ 1:0] of last output video frame. + Out[3] Hardware Video PTS counter bit[31:0], + these bits get incremented on every 90kHz clock tick. + Out[4] Hardware Video PTS counter bit32, + these bits get incremented on every 90kHz clock tick. + ReturnCode */ +#define CX18_CPU_GET_ENC_PTS (CPU_CMD_MASK_CAPTURE | 0x0022) + +/* Description: Set VFC parameters + IN[0] - task handle + IN[1] - VFC enable flag, 1 - enable, 0 - disable +*/ +#define CX18_CPU_SET_VFC_PARAM (CPU_CMD_MASK_CAPTURE | 0x0023) + +/* Below is the list of commands related to the data exchange */ +#define CPU_CMD_MASK_DE (CPU_CMD_MASK | 0x040000) + +/* Description: This command provides the physical base address of the local + DDR as viewed by EPU + IN[0] - Physical offset where EPU has the local DDR mapped + ReturnCode - One of the ERR_DE_... */ +#define CPU_CMD_DE_SetBase (CPU_CMD_MASK_DE | 0x0001) + +/* Description: This command provides the offsets in the device memory where + the 2 cx18_mdl_ack blocks reside + IN[0] - Task handle. Handle of the task to start + IN[1] - Offset of the first cx18_mdl_ack from the beginning of the + local DDR. + IN[2] - Offset of the second cx18_mdl_ack from the beginning of the + local DDR. + ReturnCode - One of the ERR_DE_... */ +#define CX18_CPU_DE_SET_MDL_ACK (CPU_CMD_MASK_DE | 0x0002) + +/* Description: This command provides the offset to a Memory Descriptor List + IN[0] - Task handle. Handle of the task to start + IN[1] - Offset of the MDL from the beginning of the local DDR. + IN[2] - Number of cx18_mdl_ent structures in the array pointed to by IN[1] + IN[3] - Buffer ID + IN[4] - Total buffer length + ReturnCode - One of the ERR_DE_... */ +#define CX18_CPU_DE_SET_MDL (CPU_CMD_MASK_DE | 0x0005) + +/* Description: This command requests return of all current Memory + Descriptor Lists to the driver + IN[0] - Task handle. Handle of the task to start + ReturnCode - One of the ERR_DE_... */ +#define CX18_CPU_DE_RELEASE_MDL (CPU_CMD_MASK_DE | 0x0006) + +/* Description: This command signals the cpu that the dat buffer has been + consumed and ready for re-use. + IN[0] - Task handle. Handle of the task + IN[1] - Offset of the data block from the beginning of the local DDR. + IN[2] - Number of bytes in the data block + ReturnCode - One of the ERR_DE_... */ +/* #define CX18_CPU_DE_RELEASE_BUFFER (CPU_CMD_MASK_DE | 0x0007) */ + +/* No Error / Success */ +#define CNXT_OK 0x000000 + +/* Received unknown command */ +#define CXERR_UNK_CMD 0x000001 + +/* First parameter in the command is invalid */ +#define CXERR_INVALID_PARAM1 0x000002 + +/* Second parameter in the command is invalid */ +#define CXERR_INVALID_PARAM2 0x000003 + +/* Device interface is not open/found */ +#define CXERR_DEV_NOT_FOUND 0x000004 + +/* Requested function is not implemented/available */ +#define CXERR_NOTSUPPORTED 0x000005 + +/* Invalid pointer is provided */ +#define CXERR_BADPTR 0x000006 + +/* Unable to allocate memory */ +#define CXERR_NOMEM 0x000007 + +/* Object/Link not found */ +#define CXERR_LINK 0x000008 + +/* Device busy, command cannot be executed */ +#define CXERR_BUSY 0x000009 + +/* File/device/handle is not open. */ +#define CXERR_NOT_OPEN 0x00000A + +/* Value is out of range */ +#define CXERR_OUTOFRANGE 0x00000B + +/* Buffer overflow */ +#define CXERR_OVERFLOW 0x00000C + +/* Version mismatch */ +#define CXERR_BADVER 0x00000D + +/* Operation timed out */ +#define CXERR_TIMEOUT 0x00000E + +/* Operation aborted */ +#define CXERR_ABORT 0x00000F + +/* Specified I2C device not found for read/write */ +#define CXERR_I2CDEV_NOTFOUND 0x000010 + +/* Error in I2C data xfer (but I2C device is present) */ +#define CXERR_I2CDEV_XFERERR 0x000011 + +/* Chanel changing component not ready */ +#define CXERR_CHANNELNOTREADY 0x000012 + +/* PPU (Presensation/Decoder) mail box is corrupted */ +#define CXERR_PPU_MB_CORRUPT 0x000013 + +/* CPU (Capture/Encoder) mail box is corrupted */ +#define CXERR_CPU_MB_CORRUPT 0x000014 + +/* APU (Audio) mail box is corrupted */ +#define CXERR_APU_MB_CORRUPT 0x000015 + +/* Unable to open file for reading */ +#define CXERR_FILE_OPEN_READ 0x000016 + +/* Unable to open file for writing */ +#define CXERR_FILE_OPEN_WRITE 0x000017 + +/* Unable to find the I2C section specified */ +#define CXERR_I2C_BADSECTION 0x000018 + +/* Error in I2C data xfer (but I2C device is present) */ +#define CXERR_I2CDEV_DATALOW 0x000019 + +/* Error in I2C data xfer (but I2C device is present) */ +#define CXERR_I2CDEV_CLOCKLOW 0x00001A + +/* No Interrupt received from HW (for I2C access) */ +#define CXERR_NO_HW_I2C_INTR 0x00001B + +/* RPU is not ready to accept commands! */ +#define CXERR_RPU_NOT_READY 0x00001C + +/* RPU is not ready to accept commands! */ +#define CXERR_RPU_NO_ACK 0x00001D + +/* The are no buffers ready. Try again soon! */ +#define CXERR_NODATA_AGAIN 0x00001E + +/* The stream is stopping. Function not allowed now! */ +#define CXERR_STOPPING_STATUS 0x00001F + +/* Trying to access hardware when the power is turned OFF */ +#define CXERR_DEVPOWER_OFF 0x000020 + +#endif /* CX23418_H */ |