summaryrefslogtreecommitdiffstats
path: root/drivers/media/pci/ivtv/ivtv-driver.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/pci/ivtv/ivtv-driver.c')
-rw-r--r--drivers/media/pci/ivtv/ivtv-driver.c1535
1 files changed, 1535 insertions, 0 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c
new file mode 100644
index 0000000..d5e209d
--- /dev/null
+++ b/drivers/media/pci/ivtv/ivtv-driver.c
@@ -0,0 +1,1535 @@
+/*
+ ivtv driver initialization and card probing
+ Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
+ Copyright (C) 2004 Chris Kennedy <c@groovy.org>
+ Copyright (C) 2005-2007 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
+ */
+
+/* Main Driver file for the ivtv project:
+ * Driver for the Conexant CX23415/CX23416 chip.
+ * Author: Kevin Thayer (nufan_wfk at yahoo.com)
+ * License: GPL
+ * http://www.ivtvdriver.org
+ *
+ * -----
+ * MPG600/MPG160 support by T.Adachi <tadachi@tadachi-net.com>
+ * and Takeru KOMORIYA<komoriya@paken.org>
+ *
+ * AVerMedia M179 GPIO info by Chris Pinkham <cpinkham@bc2va.org>
+ * using information provided by Jiun-Kuei Jung @ AVerMedia.
+ *
+ * Kurouto Sikou CX23416GYC-STVLP tested by K.Ohta <alpha292@bremen.or.jp>
+ * using information from T.Adachi,Takeru KOMORIYA and others :-)
+ *
+ * Nagase TRANSGEAR 5000TV, Aopen VA2000MAX-STN6 and I/O data GV-MVP/RX
+ * version by T.Adachi. Special thanks Mr.Suzuki
+ */
+
+#include "ivtv-driver.h"
+#include "ivtv-version.h"
+#include "ivtv-fileops.h"
+#include "ivtv-i2c.h"
+#include "ivtv-firmware.h"
+#include "ivtv-queue.h"
+#include "ivtv-udma.h"
+#include "ivtv-irq.h"
+#include "ivtv-mailbox.h"
+#include "ivtv-streams.h"
+#include "ivtv-ioctl.h"
+#include "ivtv-cards.h"
+#include "ivtv-vbi.h"
+#include "ivtv-routing.h"
+#include "ivtv-controls.h"
+#include "ivtv-gpio.h"
+#include <linux/dma-mapping.h>
+#include <media/tveeprom.h>
+#include <media/saa7115.h>
+#include <media/v4l2-chip-ident.h>
+#include "tuner-xc2028.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 PVR-350 with. Normally this would give a
+ video1 device together with a radio0 device for the PVR. By
+ setting this to 1 you ensure that radio0 is now also radio1. */
+int ivtv_first_minor;
+
+/* Callback for registering extensions */
+int (*ivtv_ext_init)(struct ivtv *);
+EXPORT_SYMBOL(ivtv_ext_init);
+
+/* add your revision and whatnot here */
+static struct pci_device_id ivtv_pci_tbl[] = {
+ {PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV15,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ {PCI_VENDOR_ID_ICOMP, PCI_DEVICE_ID_IVTV16,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ {0,}
+};
+
+MODULE_DEVICE_TABLE(pci,ivtv_pci_tbl);
+
+/* ivtv instance counter */
+static atomic_t ivtv_instance = ATOMIC_INIT(0);
+
+/* Parameter declarations */
+static int cardtype[IVTV_MAX_CARDS];
+static int tuner[IVTV_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[IVTV_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 i2c_clock_period[IVTV_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 int cardtype_c = 1;
+static unsigned int tuner_c = 1;
+static int radio_c = 1;
+static unsigned int i2c_clock_period_c = 1;
+static char pal[] = "---";
+static char secam[] = "--";
+static char ntsc[] = "-";
+
+/* Buffers */
+
+/* DMA Buffers, Default size in MB allocated */
+#define IVTV_DEFAULT_ENC_MPG_BUFFERS 4
+#define IVTV_DEFAULT_ENC_YUV_BUFFERS 2
+#define IVTV_DEFAULT_ENC_VBI_BUFFERS 1
+/* Exception: size in kB for this stream (MB is overkill) */
+#define IVTV_DEFAULT_ENC_PCM_BUFFERS 320
+#define IVTV_DEFAULT_DEC_MPG_BUFFERS 1
+#define IVTV_DEFAULT_DEC_YUV_BUFFERS 1
+/* Exception: size in kB for this stream (MB is way overkill) */
+#define IVTV_DEFAULT_DEC_VBI_BUFFERS 64
+
+static int enc_mpg_buffers = IVTV_DEFAULT_ENC_MPG_BUFFERS;
+static int enc_yuv_buffers = IVTV_DEFAULT_ENC_YUV_BUFFERS;
+static int enc_vbi_buffers = IVTV_DEFAULT_ENC_VBI_BUFFERS;
+static int enc_pcm_buffers = IVTV_DEFAULT_ENC_PCM_BUFFERS;
+static int dec_mpg_buffers = IVTV_DEFAULT_DEC_MPG_BUFFERS;
+static int dec_yuv_buffers = IVTV_DEFAULT_DEC_YUV_BUFFERS;
+static int dec_vbi_buffers = IVTV_DEFAULT_DEC_VBI_BUFFERS;
+
+static int ivtv_yuv_mode;
+static int ivtv_yuv_threshold = -1;
+static int ivtv_pci_latency = 1;
+
+int ivtv_debug;
+#ifdef CPTCFG_VIDEO_ADV_DEBUG
+int ivtv_fw_debug;
+#endif
+
+static int tunertype = -1;
+static int newi2c = -1;
+
+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,ivtv_debug, int, 0644);
+#ifdef CPTCFG_VIDEO_ADV_DEBUG
+module_param_named(fw_debug, ivtv_fw_debug, int, 0644);
+#endif
+module_param(ivtv_pci_latency, int, 0644);
+module_param(ivtv_yuv_mode, int, 0644);
+module_param(ivtv_yuv_threshold, int, 0644);
+module_param(ivtv_first_minor, int, 0644);
+
+module_param(enc_mpg_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(dec_mpg_buffers, int, 0644);
+module_param(dec_yuv_buffers, int, 0644);
+module_param(dec_vbi_buffers, int, 0644);
+
+module_param(tunertype, int, 0644);
+module_param(newi2c, int, 0644);
+module_param_array(i2c_clock_period, int, &i2c_clock_period_c, 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 = WinTV PVR 250\n"
+ "\t\t\t 2 = WinTV PVR 350\n"
+ "\t\t\t 3 = WinTV PVR-150 or PVR-500\n"
+ "\t\t\t 4 = AVerMedia M179\n"
+ "\t\t\t 5 = YUAN MPG600/Kuroutoshikou iTVC16-STVLP\n"
+ "\t\t\t 6 = YUAN MPG160/Kuroutoshikou iTVC15-STVLP\n"
+ "\t\t\t 7 = YUAN PG600/DIAMONDMM PVR-550 (CX Falcon 2)\n"
+ "\t\t\t 8 = Adaptec AVC-2410\n"
+ "\t\t\t 9 = Adaptec AVC-2010\n"
+ "\t\t\t10 = NAGASE TRANSGEAR 5000TV\n"
+ "\t\t\t11 = AOpen VA2000MAX-STN6\n"
+ "\t\t\t12 = YUAN MPG600GR/Kuroutoshikou CX23416GYC-STVLP\n"
+ "\t\t\t13 = I/O Data GV-MVP/RX\n"
+ "\t\t\t14 = I/O Data GV-MVP/RX2E\n"
+ "\t\t\t15 = GOTVIEW PCI DVD\n"
+ "\t\t\t16 = GOTVIEW PCI DVD2 Deluxe\n"
+ "\t\t\t17 = Yuan MPC622\n"
+ "\t\t\t18 = Digital Cowboy DCT-MTVP1\n"
+ "\t\t\t19 = Yuan PG600V2/GotView PCI DVD Lite\n"
+ "\t\t\t20 = Club3D ZAP-TV1x01\n"
+ "\t\t\t21 = AverTV MCE 116 Plus\n"
+ "\t\t\t22 = ASUS Falcon2\n"
+ "\t\t\t23 = AverMedia PVR-150 Plus\n"
+ "\t\t\t24 = AverMedia EZMaker PCI Deluxe\n"
+ "\t\t\t25 = AverMedia M104 (not yet working)\n"
+ "\t\t\t26 = Buffalo PC-MV5L/PCI\n"
+ "\t\t\t27 = AVerMedia UltraTV 1500 MCE\n"
+ "\t\t\t28 = Sony VAIO Giga Pocket (ENX Kikyou)\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: BGH, DK, I, M, N, Nc, 60");
+MODULE_PARM_DESC(secam, "Set SECAM standard: BGH, DK, L, LC");
+MODULE_PARM_DESC(ntsc, "Set NTSC standard: M, J (Japan), K (South Korea)");
+MODULE_PARM_DESC(tunertype,
+ "Specify tuner type:\n"
+ "\t\t\t 0 = tuner for PAL-B/G/H/D/K/I, SECAM-B/G/H/D/K/L/Lc\n"
+ "\t\t\t 1 = tuner for NTSC-M/J/K, PAL-M/N/Nc\n"
+ "\t\t\t-1 = Autodetect (default)\n");
+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: ioctl\n"
+ "\t\t\t 16/0x0010: file\n"
+ "\t\t\t 32/0x0020: dma\n"
+ "\t\t\t 64/0x0040: irq\n"
+ "\t\t\t 128/0x0080: decoder\n"
+ "\t\t\t 256/0x0100: yuv\n"
+ "\t\t\t 512/0x0200: i2c\n"
+ "\t\t\t1024/0x0400: high volume\n");
+#ifdef CPTCFG_VIDEO_ADV_DEBUG
+MODULE_PARM_DESC(fw_debug,
+ "Enable code for debugging firmware problems. Default: 0\n");
+#endif
+MODULE_PARM_DESC(ivtv_pci_latency,
+ "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n"
+ "\t\t\tDefault: Yes");
+MODULE_PARM_DESC(ivtv_yuv_mode,
+ "Specify the yuv playback mode:\n"
+ "\t\t\t0 = interlaced\n\t\t\t1 = progressive\n\t\t\t2 = auto\n"
+ "\t\t\tDefault: 0 (interlaced)");
+MODULE_PARM_DESC(ivtv_yuv_threshold,
+ "If ivtv_yuv_mode is 2 (auto) then playback content as\n\t\tprogressive if src height <= ivtv_yuvthreshold\n"
+ "\t\t\tDefault: 480");
+MODULE_PARM_DESC(enc_mpg_buffers,
+ "Encoder MPG Buffers (in MB)\n"
+ "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_MPG_BUFFERS));
+MODULE_PARM_DESC(enc_yuv_buffers,
+ "Encoder YUV Buffers (in MB)\n"
+ "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_YUV_BUFFERS));
+MODULE_PARM_DESC(enc_vbi_buffers,
+ "Encoder VBI Buffers (in MB)\n"
+ "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_VBI_BUFFERS));
+MODULE_PARM_DESC(enc_pcm_buffers,
+ "Encoder PCM buffers (in kB)\n"
+ "\t\t\tDefault: " __stringify(IVTV_DEFAULT_ENC_PCM_BUFFERS));
+MODULE_PARM_DESC(dec_mpg_buffers,
+ "Decoder MPG buffers (in MB)\n"
+ "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_MPG_BUFFERS));
+MODULE_PARM_DESC(dec_yuv_buffers,
+ "Decoder YUV buffers (in MB)\n"
+ "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_YUV_BUFFERS));
+MODULE_PARM_DESC(dec_vbi_buffers,
+ "Decoder VBI buffers (in kB)\n"
+ "\t\t\tDefault: " __stringify(IVTV_DEFAULT_DEC_VBI_BUFFERS));
+MODULE_PARM_DESC(newi2c,
+ "Use new I2C implementation\n"
+ "\t\t\t-1 is autodetect, 0 is off, 1 is on\n"
+ "\t\t\tDefault is autodetect");
+MODULE_PARM_DESC(i2c_clock_period,
+ "Period of SCL for the I2C bus controlled by the CX23415/6\n"
+ "\t\t\tMin: 10 usec (100 kHz), Max: 4500 usec (222 Hz)\n"
+ "\t\t\tDefault: " __stringify(IVTV_DEFAULT_I2C_CLOCK_PERIOD));
+
+MODULE_PARM_DESC(ivtv_first_minor, "Set device node number assigned to first card");
+
+MODULE_AUTHOR("Kevin Thayer, Chris Kennedy, Hans Verkuil");
+MODULE_DESCRIPTION("CX23415/CX23416 driver");
+MODULE_SUPPORTED_DEVICE
+ ("CX23415/CX23416 MPEG2 encoder (WinTV PVR-150/250/350/500,\n"
+ "\t\t\tYuan MPG series and similar)");
+MODULE_LICENSE("GPL");
+
+MODULE_VERSION(IVTV_VERSION);
+
+#if defined(CONFIG_MODULES) && defined(MODULE)
+static void request_module_async(struct work_struct *work)
+{
+ struct ivtv *dev = container_of(work, struct ivtv, request_module_wk);
+
+ /* Make sure ivtv-alsa module is loaded */
+ request_module("ivtv-alsa");
+
+ /* Initialize ivtv-alsa for this instance of the cx18 device */
+ if (ivtv_ext_init != NULL)
+ ivtv_ext_init(dev);
+}
+
+static void request_modules(struct ivtv *dev)
+{
+ INIT_WORK(&dev->request_module_wk, request_module_async);
+ schedule_work(&dev->request_module_wk);
+}
+
+static void flush_request_modules(struct ivtv *dev)
+{
+ flush_work(&dev->request_module_wk);
+}
+#else
+#define request_modules(dev)
+#define flush_request_modules(dev)
+#endif /* CONFIG_MODULES */
+
+void ivtv_clear_irq_mask(struct ivtv *itv, u32 mask)
+{
+ itv->irqmask &= ~mask;
+ write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
+}
+
+void ivtv_set_irq_mask(struct ivtv *itv, u32 mask)
+{
+ itv->irqmask |= mask;
+ write_reg_sync(itv->irqmask, IVTV_REG_IRQMASK);
+}
+
+int ivtv_set_output_mode(struct ivtv *itv, int mode)
+{
+ int old_mode;
+
+ spin_lock(&itv->lock);
+ old_mode = itv->output_mode;
+ if (old_mode == 0)
+ itv->output_mode = old_mode = mode;
+ spin_unlock(&itv->lock);
+ return old_mode;
+}
+
+struct ivtv_stream *ivtv_get_output_stream(struct ivtv *itv)
+{
+ switch (itv->output_mode) {
+ case OUT_MPG:
+ return &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
+ case OUT_YUV:
+ return &itv->streams[IVTV_DEC_STREAM_TYPE_YUV];
+ default:
+ return NULL;
+ }
+}
+
+int ivtv_waitq(wait_queue_head_t *waitq)
+{
+ DEFINE_WAIT(wait);
+
+ prepare_to_wait(waitq, &wait, TASK_INTERRUPTIBLE);
+ schedule();
+ finish_wait(waitq, &wait);
+ return signal_pending(current) ? -EINTR : 0;
+}
+
+/* Generic utility functions */
+int ivtv_msleep_timeout(unsigned int msecs, int intr)
+{
+ int timeout = msecs_to_jiffies(msecs);
+
+ do {
+ set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
+ timeout = schedule_timeout(timeout);
+ if (intr) {
+ int ret = signal_pending(current);
+
+ if (ret)
+ return ret;
+ }
+ } while (timeout);
+ return 0;
+}
+
+/* Release ioremapped memory */
+static void ivtv_iounmap(struct ivtv *itv)
+{
+ if (itv == NULL)
+ return;
+
+ /* Release registers memory */
+ if (itv->reg_mem != NULL) {
+ IVTV_DEBUG_INFO("releasing reg_mem\n");
+ iounmap(itv->reg_mem);
+ itv->reg_mem = NULL;
+ }
+ /* Release io memory */
+ if (itv->has_cx23415 && itv->dec_mem != NULL) {
+ IVTV_DEBUG_INFO("releasing dec_mem\n");
+ iounmap(itv->dec_mem);
+ }
+ itv->dec_mem = NULL;
+
+ /* Release io memory */
+ if (itv->enc_mem != NULL) {
+ IVTV_DEBUG_INFO("releasing enc_mem\n");
+ iounmap(itv->enc_mem);
+ itv->enc_mem = NULL;
+ }
+}
+
+/* Hauppauge card? get values from tveeprom */
+void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv)
+{
+ u8 eedata[256];
+
+ itv->i2c_client.addr = 0xA0 >> 1;
+ tveeprom_read(&itv->i2c_client, eedata, sizeof(eedata));
+ tveeprom_hauppauge_analog(&itv->i2c_client, tv, eedata);
+}
+
+static void ivtv_process_eeprom(struct ivtv *itv)
+{
+ struct tveeprom tv;
+ int pci_slot = PCI_SLOT(itv->pdev->devfn);
+
+ ivtv_read_eeprom(itv, &tv);
+
+ /* Many thanks to Steven Toth from Hauppauge for providing the
+ model numbers */
+ switch (tv.model) {
+ /* In a few cases the PCI subsystem IDs do not correctly
+ identify the card. A better method is to check the
+ model number from the eeprom instead. */
+ case 30012 ... 30039: /* Low profile PVR250 */
+ case 32000 ... 32999:
+ case 48000 ... 48099: /* 48??? range are PVR250s with a cx23415 */
+ case 48400 ... 48599:
+ itv->card = ivtv_get_card(IVTV_CARD_PVR_250);
+ break;
+ case 48100 ... 48399:
+ case 48600 ... 48999:
+ itv->card = ivtv_get_card(IVTV_CARD_PVR_350);
+ break;
+ case 23000 ... 23999: /* PVR500 */
+ case 25000 ... 25999: /* Low profile PVR150 */
+ case 26000 ... 26999: /* Regular PVR150 */
+ itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
+ break;
+ case 0:
+ IVTV_ERR("Invalid EEPROM\n");
+ return;
+ default:
+ IVTV_ERR("Unknown model %d, defaulting to PVR-150\n", tv.model);
+ itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
+ break;
+ }
+
+ switch (tv.model) {
+ /* Old style PVR350 (with an saa7114) uses this input for
+ the tuner. */
+ case 48254:
+ itv->card = ivtv_get_card(IVTV_CARD_PVR_350_V1);
+ break;
+ default:
+ break;
+ }
+
+ itv->v4l2_cap = itv->card->v4l2_capabilities;
+ itv->card_name = itv->card->name;
+ itv->card_i2c = itv->card->i2c;
+
+ /* If this is a PVR500 then it should be possible to detect whether it is the
+ first or second unit by looking at the subsystem device ID: is bit 4 is
+ set, then it is the second unit (according to info from Hauppauge).
+
+ However, while this works for most cards, I have seen a few PVR500 cards
+ where both units have the same subsystem ID.
+
+ So instead I look at the reported 'PCI slot' (which is the slot on the PVR500
+ PCI bridge) and if it is 8, then it is assumed to be the first unit, otherwise
+ it is the second unit. It is possible that it is a different slot when ivtv is
+ used in Xen, in that case I ignore this card here. The worst that can happen
+ is that the card presents itself with a non-working radio device.
+
+ This detection is needed since the eeprom reports incorrectly that a radio is
+ present on the second unit. */
+ if (tv.model / 1000 == 23) {
+ static const struct ivtv_card_tuner_i2c ivtv_i2c_radio = {
+ .radio = { 0x60, I2C_CLIENT_END },
+ .demod = { 0x43, I2C_CLIENT_END },
+ .tv = { 0x61, I2C_CLIENT_END },
+ };
+
+ itv->card_name = "WinTV PVR 500";
+ itv->card_i2c = &ivtv_i2c_radio;
+ if (pci_slot == 8 || pci_slot == 9) {
+ int is_first = (pci_slot & 1) == 0;
+
+ itv->card_name = is_first ? "WinTV PVR 500 (unit #1)" :
+ "WinTV PVR 500 (unit #2)";
+ if (!is_first) {
+ IVTV_INFO("Correcting tveeprom data: no radio present on second unit\n");
+ tv.has_radio = 0;
+ }
+ }
+ }
+ IVTV_INFO("Autodetected %s\n", itv->card_name);
+
+ switch (tv.tuner_hauppauge_model) {
+ case 85:
+ case 99:
+ case 112:
+ itv->pvr150_workaround = 1;
+ break;
+ default:
+ break;
+ }
+ if (tv.tuner_type == TUNER_ABSENT)
+ IVTV_ERR("tveeprom cannot autodetect tuner!\n");
+
+ if (itv->options.tuner == -1)
+ itv->options.tuner = tv.tuner_type;
+ if (itv->options.radio == -1)
+ itv->options.radio = (tv.has_radio != 0);
+ /* only enable newi2c if an IR blaster is present */
+ if (itv->options.newi2c == -1 && tv.has_ir) {
+ itv->options.newi2c = (tv.has_ir & 4) ? 1 : 0;
+ if (itv->options.newi2c) {
+ IVTV_INFO("Reopen i2c bus for IR-blaster support\n");
+ exit_ivtv_i2c(itv);
+ init_ivtv_i2c(itv);
+ }
+ }
+
+ if (itv->std != 0)
+ /* user specified tuner standard */
+ return;
+
+ /* autodetect tuner standard */
+ if (tv.tuner_formats & V4L2_STD_PAL) {
+ IVTV_DEBUG_INFO("PAL tuner detected\n");
+ itv->std |= V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
+ } else if (tv.tuner_formats & V4L2_STD_NTSC) {
+ IVTV_DEBUG_INFO("NTSC tuner detected\n");
+ itv->std |= V4L2_STD_NTSC_M;
+ } else if (tv.tuner_formats & V4L2_STD_SECAM) {
+ IVTV_DEBUG_INFO("SECAM tuner detected\n");
+ itv->std |= V4L2_STD_SECAM_L;
+ } else {
+ IVTV_INFO("No tuner detected, default to NTSC-M\n");
+ itv->std |= V4L2_STD_NTSC_M;
+ }
+}
+
+static v4l2_std_id ivtv_parse_std(struct ivtv *itv)
+{
+ switch (pal[0]) {
+ case '6':
+ tunertype = 0;
+ return V4L2_STD_PAL_60;
+ case 'b':
+ case 'B':
+ case 'g':
+ case 'G':
+ case 'h':
+ case 'H':
+ tunertype = 0;
+ return V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
+ case 'n':
+ case 'N':
+ tunertype = 1;
+ if (pal[1] == 'c' || pal[1] == 'C')
+ return V4L2_STD_PAL_Nc;
+ return V4L2_STD_PAL_N;
+ case 'i':
+ case 'I':
+ tunertype = 0;
+ return V4L2_STD_PAL_I;
+ case 'd':
+ case 'D':
+ case 'k':
+ case 'K':
+ tunertype = 0;
+ return V4L2_STD_PAL_DK;
+ case 'M':
+ case 'm':
+ tunertype = 1;
+ return V4L2_STD_PAL_M;
+ case '-':
+ break;
+ default:
+ IVTV_WARN("pal= argument not recognised\n");
+ return 0;
+ }
+
+ switch (secam[0]) {
+ case 'b':
+ case 'B':
+ case 'g':
+ case 'G':
+ case 'h':
+ case 'H':
+ tunertype = 0;
+ return V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
+ case 'd':
+ case 'D':
+ case 'k':
+ case 'K':
+ tunertype = 0;
+ return V4L2_STD_SECAM_DK;
+ case 'l':
+ case 'L':
+ tunertype = 0;
+ if (secam[1] == 'C' || secam[1] == 'c')
+ return V4L2_STD_SECAM_LC;
+ return V4L2_STD_SECAM_L;
+ case '-':
+ break;
+ default:
+ IVTV_WARN("secam= argument not recognised\n");
+ return 0;
+ }
+
+ switch (ntsc[0]) {
+ case 'm':
+ case 'M':
+ tunertype = 1;
+ return V4L2_STD_NTSC_M;
+ case 'j':
+ case 'J':
+ tunertype = 1;
+ return V4L2_STD_NTSC_M_JP;
+ case 'k':
+ case 'K':
+ tunertype = 1;
+ return V4L2_STD_NTSC_M_KR;
+ case '-':
+ break;
+ default:
+ IVTV_WARN("ntsc= argument not recognised\n");
+ return 0;
+ }
+
+ /* no match found */
+ return 0;
+}
+
+static void ivtv_process_options(struct ivtv *itv)
+{
+ const char *chipname;
+ int i, j;
+
+ itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_MPG] = enc_mpg_buffers * 1024;
+ itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_YUV] = enc_yuv_buffers * 1024;
+ itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_VBI] = enc_vbi_buffers * 1024;
+ itv->options.kilobytes[IVTV_ENC_STREAM_TYPE_PCM] = enc_pcm_buffers;
+ itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_MPG] = dec_mpg_buffers * 1024;
+ itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_YUV] = dec_yuv_buffers * 1024;
+ itv->options.kilobytes[IVTV_DEC_STREAM_TYPE_VBI] = dec_vbi_buffers;
+ itv->options.cardtype = cardtype[itv->instance];
+ itv->options.tuner = tuner[itv->instance];
+ itv->options.radio = radio[itv->instance];
+
+ itv->options.i2c_clock_period = i2c_clock_period[itv->instance];
+ if (itv->options.i2c_clock_period == -1)
+ itv->options.i2c_clock_period = IVTV_DEFAULT_I2C_CLOCK_PERIOD;
+ else if (itv->options.i2c_clock_period < 10)
+ itv->options.i2c_clock_period = 10;
+ else if (itv->options.i2c_clock_period > 4500)
+ itv->options.i2c_clock_period = 4500;
+
+ itv->options.newi2c = newi2c;
+ if (tunertype < -1 || tunertype > 1) {
+ IVTV_WARN("Invalid tunertype argument, will autodetect instead\n");
+ tunertype = -1;
+ }
+ itv->std = ivtv_parse_std(itv);
+ if (itv->std == 0 && tunertype >= 0)
+ itv->std = tunertype ? V4L2_STD_MN : (V4L2_STD_ALL & ~V4L2_STD_MN);
+ itv->has_cx23415 = (itv->pdev->device == PCI_DEVICE_ID_IVTV15);
+ chipname = itv->has_cx23415 ? "cx23415" : "cx23416";
+ if (itv->options.cardtype == -1) {
+ IVTV_INFO("Ignore card (detected %s based chip)\n", chipname);
+ return;
+ }
+ if ((itv->card = ivtv_get_card(itv->options.cardtype - 1))) {
+ IVTV_INFO("User specified %s card (detected %s based chip)\n",
+ itv->card->name, chipname);
+ } else if (itv->options.cardtype != 0) {
+ IVTV_ERR("Unknown user specified type, trying to autodetect card\n");
+ }
+ if (itv->card == NULL) {
+ if (itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE ||
+ itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT1 ||
+ itv->pdev->subsystem_vendor == IVTV_PCI_ID_HAUPPAUGE_ALT2) {
+ itv->card = ivtv_get_card(itv->has_cx23415 ? IVTV_CARD_PVR_350 : IVTV_CARD_PVR_150);
+ IVTV_INFO("Autodetected Hauppauge card (%s based)\n",
+ chipname);
+ }
+ }
+ if (itv->card == NULL) {
+ for (i = 0; (itv->card = ivtv_get_card(i)); i++) {
+ if (itv->card->pci_list == NULL)
+ continue;
+ for (j = 0; itv->card->pci_list[j].device; j++) {
+ if (itv->pdev->device !=
+ itv->card->pci_list[j].device)
+ continue;
+ if (itv->pdev->subsystem_vendor !=
+ itv->card->pci_list[j].subsystem_vendor)
+ continue;
+ if (itv->pdev->subsystem_device !=
+ itv->card->pci_list[j].subsystem_device)
+ continue;
+ IVTV_INFO("Autodetected %s card (%s based)\n",
+ itv->card->name, chipname);
+ goto done;
+ }
+ }
+ }
+done:
+
+ if (itv->card == NULL) {
+ itv->card = ivtv_get_card(IVTV_CARD_PVR_150);
+ IVTV_ERR("Unknown card: vendor/device: [%04x:%04x]\n",
+ itv->pdev->vendor, itv->pdev->device);
+ IVTV_ERR(" subsystem vendor/device: [%04x:%04x]\n",
+ itv->pdev->subsystem_vendor, itv->pdev->subsystem_device);
+ IVTV_ERR(" %s based\n", chipname);
+ IVTV_ERR("Defaulting to %s card\n", itv->card->name);
+ IVTV_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n");
+ IVTV_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n");
+ IVTV_ERR("Prefix your subject line with [UNKNOWN IVTV CARD].\n");
+ }
+ itv->v4l2_cap = itv->card->v4l2_capabilities;
+ itv->card_name = itv->card->name;
+ itv->card_i2c = itv->card->i2c;
+}
+
+/* Precondition: the ivtv structure has been memset to 0. Only
+ the dev and num fields have been filled in.
+ No assumptions on the card type may be made here (see ivtv_init_struct2
+ for that).
+ */
+static int ivtv_init_struct1(struct ivtv *itv)
+{
+ struct sched_param param = { .sched_priority = 99 };
+
+ itv->base_addr = pci_resource_start(itv->pdev, 0);
+ itv->enc_mbox.max_mbox = 2; /* the encoder has 3 mailboxes (0-2) */
+ itv->dec_mbox.max_mbox = 1; /* the decoder has 2 mailboxes (0-1) */
+
+ mutex_init(&itv->serialize_lock);
+ mutex_init(&itv->i2c_bus_lock);
+ mutex_init(&itv->udma.lock);
+
+ spin_lock_init(&itv->lock);
+ spin_lock_init(&itv->dma_reg_lock);
+
+ init_kthread_worker(&itv->irq_worker);
+ itv->irq_worker_task = kthread_run(kthread_worker_fn, &itv->irq_worker,
+ itv->v4l2_dev.name);
+ if (IS_ERR(itv->irq_worker_task)) {
+ IVTV_ERR("Could not create ivtv task\n");
+ return -1;
+ }
+ /* must use the FIFO scheduler as it is realtime sensitive */
+ sched_setscheduler(itv->irq_worker_task, SCHED_FIFO, &param);
+
+ init_kthread_work(&itv->irq_work, ivtv_irq_work_handler);
+
+ /* Initial settings */
+ itv->cxhdl.port = CX2341X_PORT_MEMORY;
+ itv->cxhdl.capabilities = CX2341X_CAP_HAS_SLICED_VBI;
+ init_waitqueue_head(&itv->eos_waitq);
+ init_waitqueue_head(&itv->event_waitq);
+ init_waitqueue_head(&itv->vsync_waitq);
+ init_waitqueue_head(&itv->dma_waitq);
+ init_timer(&itv->dma_timer);
+ itv->dma_timer.function = ivtv_unfinished_dma;
+ itv->dma_timer.data = (unsigned long)itv;
+
+ itv->cur_dma_stream = -1;
+ itv->cur_pio_stream = -1;
+
+ /* Ctrls */
+ itv->speed = 1000;
+
+ /* VBI */
+ itv->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
+ itv->vbi.sliced_in = &itv->vbi.in.fmt.sliced;
+
+ /* Init the sg table for osd/yuv output */
+ sg_init_table(itv->udma.SGlist, IVTV_DMA_SG_OSD_ENT);
+
+ /* OSD */
+ itv->osd_global_alpha_state = 1;
+ itv->osd_global_alpha = 255;
+
+ /* YUV */
+ atomic_set(&itv->yuv_info.next_dma_frame, -1);
+ itv->yuv_info.lace_mode = ivtv_yuv_mode;
+ itv->yuv_info.lace_threshold = ivtv_yuv_threshold;
+ itv->yuv_info.max_frames_buffered = 3;
+ itv->yuv_info.track_osd = 1;
+ return 0;
+}
+
+/* Second initialization part. Here the card type has been
+ autodetected. */
+static void ivtv_init_struct2(struct ivtv *itv)
+{
+ int i;
+
+ for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS; i++)
+ if (itv->card->video_inputs[i].video_type == 0)
+ break;
+ itv->nof_inputs = i;
+ for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS; i++)
+ if (itv->card->audio_inputs[i].audio_type == 0)
+ break;
+ itv->nof_audio_inputs = i;
+
+ if (itv->card->hw_all & IVTV_HW_CX25840) {
+ itv->vbi.sliced_size = 288; /* multiple of 16, real size = 284 */
+ } else {
+ itv->vbi.sliced_size = 64; /* multiple of 16, real size = 52 */
+ }
+
+ /* Find tuner input */
+ for (i = 0; i < itv->nof_inputs; i++) {
+ if (itv->card->video_inputs[i].video_type ==
+ IVTV_CARD_INPUT_VID_TUNER)
+ break;
+ }
+ if (i == itv->nof_inputs)
+ i = 0;
+ itv->active_input = i;
+ itv->audio_input = itv->card->video_inputs[i].audio_index;
+}
+
+static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
+ const struct pci_device_id *pci_id)
+{
+ u16 cmd;
+ unsigned char pci_latency;
+
+ IVTV_DEBUG_INFO("Enabling pci device\n");
+
+ if (pci_enable_device(pdev)) {
+ IVTV_ERR("Can't enable device!\n");
+ return -EIO;
+ }
+ if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
+ IVTV_ERR("No suitable DMA available.\n");
+ return -EIO;
+ }
+ if (!request_mem_region(itv->base_addr, IVTV_ENCODER_SIZE, "ivtv encoder")) {
+ IVTV_ERR("Cannot request encoder memory region.\n");
+ return -EIO;
+ }
+
+ if (!request_mem_region(itv->base_addr + IVTV_REG_OFFSET,
+ IVTV_REG_SIZE, "ivtv registers")) {
+ IVTV_ERR("Cannot request register memory region.\n");
+ release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
+ return -EIO;
+ }
+
+ if (itv->has_cx23415 &&
+ !request_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
+ IVTV_DECODER_SIZE, "ivtv decoder")) {
+ IVTV_ERR("Cannot request decoder memory region.\n");
+ release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
+ release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
+ return -EIO;
+ }
+
+ /* Check for bus mastering */
+ pci_read_config_word(pdev, PCI_COMMAND, &cmd);
+ if (!(cmd & PCI_COMMAND_MASTER)) {
+ IVTV_DEBUG_INFO("Attempting to enable Bus Mastering\n");
+ pci_set_master(pdev);
+ pci_read_config_word(pdev, PCI_COMMAND, &cmd);
+ if (!(cmd & PCI_COMMAND_MASTER)) {
+ IVTV_ERR("Bus Mastering is not enabled\n");
+ return -ENXIO;
+ }
+ }
+ IVTV_DEBUG_INFO("Bus Mastering Enabled.\n");
+
+ pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
+
+ if (pci_latency < 64 && ivtv_pci_latency) {
+ IVTV_INFO("Unreasonably low latency timer, "
+ "setting to 64 (was %d)\n", pci_latency);
+ pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64);
+ pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
+ }
+ /* This config space value relates to DMA latencies. The
+ default value 0x8080 is too low however and will lead
+ to DMA errors. 0xffff is the max value which solves
+ these problems. */
+ pci_write_config_dword(pdev, 0x40, 0xffff);
+
+ IVTV_DEBUG_INFO("%d (rev %d) at %02x:%02x.%x, "
+ "irq: %d, latency: %d, memory: 0x%llx\n",
+ pdev->device, pdev->revision, pdev->bus->number,
+ PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn),
+ pdev->irq, pci_latency, (u64)itv->base_addr);
+
+ return 0;
+}
+
+static void ivtv_load_and_init_modules(struct ivtv *itv)
+{
+ u32 hw = itv->card->hw_all;
+ unsigned i;
+
+ /* check which i2c devices are actually found */
+ for (i = 0; i < 32; i++) {
+ u32 device = 1 << i;
+
+ if (!(device & hw))
+ continue;
+ if (device == IVTV_HW_GPIO || device == IVTV_HW_TVEEPROM) {
+ /* GPIO and TVEEPROM do not use i2c probing */
+ itv->hw_flags |= device;
+ continue;
+ }
+ if (ivtv_i2c_register(itv, i) == 0)
+ itv->hw_flags |= device;
+ }
+
+ /* probe for legacy IR controllers that aren't in card definitions */
+ if ((itv->hw_flags & IVTV_HW_IR_ANY) == 0)
+ ivtv_i2c_new_ir_legacy(itv);
+
+ if (itv->card->hw_all & IVTV_HW_CX25840)
+ itv->sd_video = ivtv_find_hw(itv, IVTV_HW_CX25840);
+ else if (itv->card->hw_all & IVTV_HW_SAA717X)
+ itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA717X);
+ else if (itv->card->hw_all & IVTV_HW_SAA7114)
+ itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7114);
+ else
+ itv->sd_video = ivtv_find_hw(itv, IVTV_HW_SAA7115);
+ itv->sd_audio = ivtv_find_hw(itv, itv->card->hw_audio_ctrl);
+ itv->sd_muxer = ivtv_find_hw(itv, itv->card->hw_muxer);
+
+ hw = itv->hw_flags;
+
+ if (itv->card->type == IVTV_CARD_CX23416GYC) {
+ /* Several variations of this card exist, detect which card
+ type should be used. */
+ if ((hw & (IVTV_HW_UPD64031A | IVTV_HW_UPD6408X)) == 0)
+ itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGRYCS);
+ else if ((hw & IVTV_HW_UPD64031A) == 0)
+ itv->card = ivtv_get_card(IVTV_CARD_CX23416GYC_NOGR);
+ }
+ else if (itv->card->type == IVTV_CARD_GV_MVPRX ||
+ itv->card->type == IVTV_CARD_GV_MVPRX2E) {
+ /* The crystal frequency of GVMVPRX is 24.576MHz */
+ v4l2_subdev_call(itv->sd_video, video, s_crystal_freq,
+ SAA7115_FREQ_24_576_MHZ, SAA7115_FREQ_FL_UCGC);
+ }
+
+ if (hw & IVTV_HW_CX25840) {
+ itv->vbi.raw_decoder_line_size = 1444;
+ itv->vbi.raw_decoder_sav_odd_field = 0x20;
+ itv->vbi.raw_decoder_sav_even_field = 0x60;
+ itv->vbi.sliced_decoder_line_size = 272;
+ itv->vbi.sliced_decoder_sav_odd_field = 0xB0;
+ itv->vbi.sliced_decoder_sav_even_field = 0xF0;
+ }
+
+ if (hw & IVTV_HW_SAA711X) {
+ struct v4l2_dbg_chip_ident v;
+
+ /* determine the exact saa711x model */
+ itv->hw_flags &= ~IVTV_HW_SAA711X;
+
+ v.match.type = V4L2_CHIP_MATCH_I2C_DRIVER;
+ strlcpy(v.match.name, "saa7115", sizeof(v.match.name));
+ ivtv_call_hw(itv, IVTV_HW_SAA711X, core, g_chip_ident, &v);
+ if (v.ident == V4L2_IDENT_SAA7114) {
+ itv->hw_flags |= IVTV_HW_SAA7114;
+ /* VBI is not yet supported by the saa7114 driver. */
+ itv->v4l2_cap &= ~(V4L2_CAP_SLICED_VBI_CAPTURE|V4L2_CAP_VBI_CAPTURE);
+ } else {
+ itv->hw_flags |= IVTV_HW_SAA7115;
+ }
+ itv->vbi.raw_decoder_line_size = 1443;
+ itv->vbi.raw_decoder_sav_odd_field = 0x25;
+ itv->vbi.raw_decoder_sav_even_field = 0x62;
+ itv->vbi.sliced_decoder_line_size = 51;
+ itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
+ itv->vbi.sliced_decoder_sav_even_field = 0xEC;
+ }
+
+ if (hw & IVTV_HW_SAA717X) {
+ itv->vbi.raw_decoder_line_size = 1443;
+ itv->vbi.raw_decoder_sav_odd_field = 0x25;
+ itv->vbi.raw_decoder_sav_even_field = 0x62;
+ itv->vbi.sliced_decoder_line_size = 51;
+ itv->vbi.sliced_decoder_sav_odd_field = 0xAB;
+ itv->vbi.sliced_decoder_sav_even_field = 0xEC;
+ }
+}
+
+static int ivtv_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
+{
+ int retval = 0;
+ int vbi_buf_size;
+ struct ivtv *itv;
+
+ itv = kzalloc(sizeof(struct ivtv), GFP_ATOMIC);
+ if (itv == NULL)
+ return -ENOMEM;
+ itv->pdev = pdev;
+ itv->instance = v4l2_device_set_name(&itv->v4l2_dev, "ivtv",
+ &ivtv_instance);
+
+ retval = v4l2_device_register(&pdev->dev, &itv->v4l2_dev);
+ if (retval) {
+ kfree(itv);
+ return retval;
+ }
+ IVTV_INFO("Initializing card %d\n", itv->instance);
+
+ ivtv_process_options(itv);
+ if (itv->options.cardtype == -1) {
+ retval = -ENODEV;
+ goto err;
+ }
+ if (ivtv_init_struct1(itv)) {
+ retval = -ENOMEM;
+ goto err;
+ }
+ retval = cx2341x_handler_init(&itv->cxhdl, 50);
+ if (retval)
+ goto err;
+ itv->v4l2_dev.ctrl_handler = &itv->cxhdl.hdl;
+ itv->cxhdl.ops = &ivtv_cxhdl_ops;
+ itv->cxhdl.priv = itv;
+ itv->cxhdl.func = ivtv_api_func;
+
+ IVTV_DEBUG_INFO("base addr: 0x%llx\n", (u64)itv->base_addr);
+
+ /* PCI Device Setup */
+ retval = ivtv_setup_pci(itv, pdev, pci_id);
+ if (retval == -EIO)
+ goto free_worker;
+ if (retval == -ENXIO)
+ goto free_mem;
+
+ /* map io memory */
+ IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
+ (u64)itv->base_addr + IVTV_ENCODER_OFFSET, IVTV_ENCODER_SIZE);
+ itv->enc_mem = ioremap_nocache(itv->base_addr + IVTV_ENCODER_OFFSET,
+ IVTV_ENCODER_SIZE);
+ if (!itv->enc_mem) {
+ IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 "
+ "encoder memory\n");
+ IVTV_ERR("Each capture card with a CX23415/6 needs 8 MB of "
+ "vmalloc address space for this window\n");
+ IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
+ IVTV_ERR("Use the vmalloc= kernel command line option to set "
+ "VmallocTotal to a larger value\n");
+ retval = -ENOMEM;
+ goto free_mem;
+ }
+
+ if (itv->has_cx23415) {
+ IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
+ (u64)itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
+ itv->dec_mem = ioremap_nocache(itv->base_addr + IVTV_DECODER_OFFSET,
+ IVTV_DECODER_SIZE);
+ if (!itv->dec_mem) {
+ IVTV_ERR("ioremap failed. Can't get a window into "
+ "CX23415 decoder memory\n");
+ IVTV_ERR("Each capture card with a CX23415 needs 8 MB "
+ "of vmalloc address space for this window\n");
+ IVTV_ERR("Check the output of 'grep Vmalloc "
+ "/proc/meminfo'\n");
+ IVTV_ERR("Use the vmalloc= kernel command line option "
+ "to set VmallocTotal to a larger value\n");
+ retval = -ENOMEM;
+ goto free_mem;
+ }
+ }
+ else {
+ itv->dec_mem = itv->enc_mem;
+ }
+
+ /* map registers memory */
+ IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
+ (u64)itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
+ itv->reg_mem =
+ ioremap_nocache(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
+ if (!itv->reg_mem) {
+ IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 "
+ "register space\n");
+ IVTV_ERR("Each capture card with a CX23415/6 needs 64 kB of "
+ "vmalloc address space for this window\n");
+ IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
+ IVTV_ERR("Use the vmalloc= kernel command line option to set "
+ "VmallocTotal to a larger value\n");
+ retval = -ENOMEM;
+ goto free_io;
+ }
+
+ retval = ivtv_gpio_init(itv);
+ if (retval)
+ goto free_io;
+
+ /* active i2c */
+ IVTV_DEBUG_INFO("activating i2c...\n");
+ if (init_ivtv_i2c(itv)) {
+ IVTV_ERR("Could not initialize i2c\n");
+ goto free_io;
+ }
+
+ if (itv->card->hw_all & IVTV_HW_TVEEPROM) {
+ /* Based on the model number the cardtype may be changed.
+ The PCI IDs are not always reliable. */
+ ivtv_process_eeprom(itv);
+ }
+ if (itv->card->comment)
+ IVTV_INFO("%s", itv->card->comment);
+ if (itv->card->v4l2_capabilities == 0) {
+ /* card was detected but is not supported */
+ retval = -ENODEV;
+ goto free_i2c;
+ }
+
+ if (itv->std == 0) {
+ itv->std = V4L2_STD_NTSC_M;
+ }
+
+ if (itv->options.tuner == -1) {
+ int i;
+
+ for (i = 0; i < IVTV_CARD_MAX_TUNERS; i++) {
+ if ((itv->std & itv->card->tuners[i].std) == 0)
+ continue;
+ itv->options.tuner = itv->card->tuners[i].tuner;
+ break;
+ }
+ }
+ /* if no tuner was found, then pick the first tuner in the card list */
+ if (itv->options.tuner == -1 && itv->card->tuners[0].std) {
+ itv->std = itv->card->tuners[0].std;
+ if (itv->std & V4L2_STD_PAL)
+ itv->std = V4L2_STD_PAL_BG | V4L2_STD_PAL_H;
+ else if (itv->std & V4L2_STD_NTSC)
+ itv->std = V4L2_STD_NTSC_M;
+ else if (itv->std & V4L2_STD_SECAM)
+ itv->std = V4L2_STD_SECAM_L;
+ itv->options.tuner = itv->card->tuners[0].tuner;
+ }
+ if (itv->options.radio == -1)
+ itv->options.radio = (itv->card->radio_input.audio_type != 0);
+
+ /* The card is now fully identified, continue with card-specific
+ initialization. */
+ ivtv_init_struct2(itv);
+
+ ivtv_load_and_init_modules(itv);
+
+ if (itv->std & V4L2_STD_525_60) {
+ itv->is_60hz = 1;
+ itv->is_out_60hz = 1;
+ } else {
+ itv->is_50hz = 1;
+ itv->is_out_50hz = 1;
+ }
+
+ itv->yuv_info.osd_full_w = 720;
+ itv->yuv_info.osd_full_h = itv->is_out_50hz ? 576 : 480;
+ itv->yuv_info.v4l2_src_w = itv->yuv_info.osd_full_w;
+ itv->yuv_info.v4l2_src_h = itv->yuv_info.osd_full_h;
+
+ cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz);
+
+ itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_MPG] = 0x08000;
+ itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_PCM] = 0x01200;
+ itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_MPG] = 0x10000;
+ itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_YUV] = 0x10000;
+ itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_YUV] = 0x08000;
+
+ /* Setup VBI Raw Size. Should be big enough to hold PAL.
+ It is possible to switch between PAL and NTSC, so we need to
+ take the largest size here. */
+ /* 1456 is multiple of 16, real size = 1444 */
+ itv->vbi.raw_size = 1456;
+ /* We use a buffer size of 1/2 of the total size needed for a
+ frame. This is actually very useful, since we now receive
+ a field at a time and that makes 'compressing' the raw data
+ down to size by stripping off the SAV codes a lot easier.
+ Note: having two different buffer sizes prevents standard
+ switching on the fly. We need to find a better solution... */
+ vbi_buf_size = itv->vbi.raw_size * (itv->is_60hz ? 24 : 36) / 2;
+ itv->stream_buf_size[IVTV_ENC_STREAM_TYPE_VBI] = vbi_buf_size;
+ itv->stream_buf_size[IVTV_DEC_STREAM_TYPE_VBI] = sizeof(struct v4l2_sliced_vbi_data) * 36;
+
+ if (itv->options.radio > 0)
+ itv->v4l2_cap |= V4L2_CAP_RADIO;
+
+ if (itv->options.tuner > -1) {
+ struct tuner_setup setup;
+
+ setup.addr = ADDR_UNSET;
+ setup.type = itv->options.tuner;
+ setup.mode_mask = T_ANALOG_TV; /* matches TV tuners */
+ if (itv->options.radio > 0)
+ setup.mode_mask |= T_RADIO;
+ setup.tuner_callback = (setup.type == TUNER_XC2028) ?
+ ivtv_reset_tuner_gpio : NULL;
+ ivtv_call_all(itv, 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 = itv->options.tuner,
+ .priv = &ctrl,
+ };
+ ivtv_call_all(itv, tuner, s_config, &cfg);
+ }
+ }
+
+ /* The tuner is fixed to the standard. The other inputs (e.g. S-Video)
+ are not. */
+ itv->tuner_std = itv->std;
+
+ if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
+ struct v4l2_ctrl_handler *hdl = itv->v4l2_dev.ctrl_handler;
+
+ itv->ctrl_pts = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,
+ V4L2_CID_MPEG_VIDEO_DEC_PTS, 0, 0, 0, 0);
+ itv->ctrl_frame = v4l2_ctrl_new_std(hdl, &ivtv_hdl_out_ops,
+ V4L2_CID_MPEG_VIDEO_DEC_FRAME, 0, 0, 0, 0);
+ /* Note: V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO is not supported,
+ mask that menu item. */
+ itv->ctrl_audio_playback =
+ v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,
+ V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK,
+ V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
+ 1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
+ V4L2_MPEG_AUDIO_DEC_PLAYBACK_STEREO);
+ itv->ctrl_audio_multilingual_playback =
+ v4l2_ctrl_new_std_menu(hdl, &ivtv_hdl_out_ops,
+ V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK,
+ V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO,
+ 1 << V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO,
+ V4L2_MPEG_AUDIO_DEC_PLAYBACK_LEFT);
+ if (hdl->error) {
+ retval = hdl->error;
+ goto free_i2c;
+ }
+ v4l2_ctrl_cluster(2, &itv->ctrl_pts);
+ v4l2_ctrl_cluster(2, &itv->ctrl_audio_playback);
+ ivtv_call_all(itv, video, s_std_output, itv->std);
+ /* Turn off the output signal. The mpeg decoder is not yet
+ active so without this you would get a green image until the
+ mpeg decoder becomes active. */
+ ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
+ }
+
+ /* clear interrupt mask, effectively disabling interrupts */
+ ivtv_set_irq_mask(itv, 0xffffffff);
+
+ /* Register IRQ */
+ retval = request_irq(itv->pdev->irq, ivtv_irq_handler,
+ IRQF_SHARED | IRQF_DISABLED, itv->v4l2_dev.name, (void *)itv);
+ if (retval) {
+ IVTV_ERR("Failed to register irq %d\n", retval);
+ goto free_i2c;
+ }
+
+ retval = ivtv_streams_setup(itv);
+ if (retval) {
+ IVTV_ERR("Error %d setting up streams\n", retval);
+ goto free_irq;
+ }
+ retval = ivtv_streams_register(itv);
+ if (retval) {
+ IVTV_ERR("Error %d registering devices\n", retval);
+ goto free_streams;
+ }
+ IVTV_INFO("Initialized card: %s\n", itv->card_name);
+
+ /* Load ivtv submodules (ivtv-alsa) */
+ request_modules(itv);
+ return 0;
+
+free_streams:
+ ivtv_streams_cleanup(itv, 1);
+free_irq:
+ free_irq(itv->pdev->irq, (void *)itv);
+free_i2c:
+ v4l2_ctrl_handler_free(&itv->cxhdl.hdl);
+ exit_ivtv_i2c(itv);
+free_io:
+ ivtv_iounmap(itv);
+free_mem:
+ release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
+ release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
+ if (itv->has_cx23415)
+ release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
+free_worker:
+ kthread_stop(itv->irq_worker_task);
+err:
+ if (retval == 0)
+ retval = -ENODEV;
+ IVTV_ERR("Error %d on initialization\n", retval);
+
+ v4l2_device_unregister(&itv->v4l2_dev);
+ kfree(itv);
+ return retval;
+}
+
+int ivtv_init_on_first_open(struct ivtv *itv)
+{
+ struct v4l2_frequency vf;
+ /* Needed to call ioctls later */
+ struct ivtv_open_id fh;
+ int fw_retry_count = 3;
+ int video_input;
+
+ fh.itv = itv;
+ fh.type = IVTV_ENC_STREAM_TYPE_MPG;
+
+ if (test_bit(IVTV_F_I_FAILED, &itv->i_flags))
+ return -ENXIO;
+
+ if (test_and_set_bit(IVTV_F_I_INITED, &itv->i_flags))
+ return 0;
+
+ while (--fw_retry_count > 0) {
+ /* load firmware */
+ if (ivtv_firmware_init(itv) == 0)
+ break;
+ if (fw_retry_count > 1)
+ IVTV_WARN("Retry loading firmware\n");
+ }
+
+ if (fw_retry_count == 0) {
+ set_bit(IVTV_F_I_FAILED, &itv->i_flags);
+ return -ENXIO;
+ }
+
+ /* Try and get firmware versions */
+ IVTV_DEBUG_INFO("Getting firmware version..\n");
+ ivtv_firmware_versions(itv);
+
+ if (itv->card->hw_all & IVTV_HW_CX25840)
+ v4l2_subdev_call(itv->sd_video, 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 (itv->std == V4L2_STD_NTSC_M_JP) {
+ vf.frequency = 1460; /* ch. 1 91250*16/1000 */
+ }
+ else if (itv->std & V4L2_STD_NTSC_M) {
+ vf.frequency = 1076; /* ch. 4 67250*16/1000 */
+ }
+
+ video_input = itv->active_input;
+ itv->active_input++; /* Force update of input */
+ ivtv_s_input(NULL, &fh, video_input);
+
+ /* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
+ in one place. */
+ itv->std++; /* Force full standard initialization */
+ itv->std_out = itv->std;
+ ivtv_s_frequency(NULL, &fh, &vf);
+
+ if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {
+ /* Turn on the TV-out: ivtv_init_mpeg_decoder() initializes
+ the mpeg decoder so now the saa7127 receives a proper
+ signal. */
+ ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 1);
+ ivtv_init_mpeg_decoder(itv);
+ }
+
+ /* On a cx23416 this seems to be able to enable DMA to the chip? */
+ if (!itv->has_cx23415)
+ write_reg_sync(0x03, IVTV_REG_DMACONTROL);
+
+ ivtv_s_std_enc(itv, itv->tuner_std);
+
+ /* Default interrupts enabled. For the PVR350 this includes the
+ decoder VSYNC interrupt, which is always on. It is not only used
+ during decoding but also by the OSD.
+ Some old PVR250 cards had a cx23415, so testing for that is too
+ general. Instead test if the card has video output capability. */
+ if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
+ ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT | IVTV_IRQ_DEC_VSYNC);
+ ivtv_set_osd_alpha(itv);
+ ivtv_s_std_dec(itv, itv->tuner_std);
+ } else {
+ ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_INIT);
+ }
+
+ /* Setup initial controls */
+ cx2341x_handler_setup(&itv->cxhdl);
+ return 0;
+}
+
+static void ivtv_remove(struct pci_dev *pdev)
+{
+ struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
+ struct ivtv *itv = to_ivtv(v4l2_dev);
+ int i;
+
+ IVTV_DEBUG_INFO("Removing card\n");
+
+ flush_request_modules(itv);
+
+ if (test_bit(IVTV_F_I_INITED, &itv->i_flags)) {
+ /* Stop all captures */
+ IVTV_DEBUG_INFO("Stopping all streams\n");
+ if (atomic_read(&itv->capturing) > 0)
+ ivtv_stop_all_captures(itv);
+
+ /* Stop all decoding */
+ IVTV_DEBUG_INFO("Stopping decoding\n");
+
+ /* Turn off the TV-out */
+ if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
+ ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_stream, 0);
+ if (atomic_read(&itv->decoding) > 0) {
+ int type;
+
+ if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
+ type = IVTV_DEC_STREAM_TYPE_YUV;
+ else
+ type = IVTV_DEC_STREAM_TYPE_MPG;
+ ivtv_stop_v4l2_decode_stream(&itv->streams[type],
+ V4L2_DEC_CMD_STOP_TO_BLACK | V4L2_DEC_CMD_STOP_IMMEDIATELY, 0);
+ }
+ ivtv_halt_firmware(itv);
+ }
+
+ /* Interrupts */
+ ivtv_set_irq_mask(itv, 0xffffffff);
+ del_timer_sync(&itv->dma_timer);
+
+ /* Kill irq worker */
+ flush_kthread_worker(&itv->irq_worker);
+ kthread_stop(itv->irq_worker_task);
+
+ ivtv_streams_cleanup(itv, 1);
+ ivtv_udma_free(itv);
+
+ v4l2_ctrl_handler_free(&itv->cxhdl.hdl);
+
+ exit_ivtv_i2c(itv);
+
+ free_irq(itv->pdev->irq, (void *)itv);
+ ivtv_iounmap(itv);
+
+ release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
+ release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
+ if (itv->has_cx23415)
+ release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
+
+ pci_disable_device(itv->pdev);
+ for (i = 0; i < IVTV_VBI_FRAMES; i++)
+ kfree(itv->vbi.sliced_mpeg_data[i]);
+
+ printk(KERN_INFO "ivtv: Removed %s\n", itv->card_name);
+
+ v4l2_device_unregister(&itv->v4l2_dev);
+ kfree(itv);
+}
+
+/* define a pci_driver for card detection */
+static struct pci_driver ivtv_pci_driver = {
+ .name = "ivtv",
+ .id_table = ivtv_pci_tbl,
+ .probe = ivtv_probe,
+ .remove = ivtv_remove,
+};
+
+static int __init module_start(void)
+{
+ printk(KERN_INFO "ivtv: Start initialization, version %s\n", IVTV_VERSION);
+
+ /* Validate parameters */
+ if (ivtv_first_minor < 0 || ivtv_first_minor >= IVTV_MAX_CARDS) {
+ printk(KERN_ERR "ivtv: Exiting, ivtv_first_minor must be between 0 and %d\n",
+ IVTV_MAX_CARDS - 1);
+ return -1;
+ }
+
+ if (ivtv_debug < 0 || ivtv_debug > 2047) {
+ ivtv_debug = 0;
+ printk(KERN_INFO "ivtv: Debug value must be >= 0 and <= 2047\n");
+ }
+
+ if (pci_register_driver(&ivtv_pci_driver)) {
+ printk(KERN_ERR "ivtv: Error detecting PCI card\n");
+ return -ENODEV;
+ }
+ printk(KERN_INFO "ivtv: End initialization\n");
+ return 0;
+}
+
+static void __exit module_cleanup(void)
+{
+ pci_unregister_driver(&ivtv_pci_driver);
+}
+
+/* Note: These symbols are exported because they are used by the ivtvfb
+ framebuffer module and an infrared module for the IR-blaster. */
+EXPORT_SYMBOL(ivtv_set_irq_mask);
+EXPORT_SYMBOL(ivtv_api);
+EXPORT_SYMBOL(ivtv_vapi);
+EXPORT_SYMBOL(ivtv_vapi_result);
+EXPORT_SYMBOL(ivtv_clear_irq_mask);
+EXPORT_SYMBOL(ivtv_debug);
+#ifdef CPTCFG_VIDEO_ADV_DEBUG
+EXPORT_SYMBOL(ivtv_fw_debug);
+#endif
+EXPORT_SYMBOL(ivtv_reset_ir_gpio);
+EXPORT_SYMBOL(ivtv_udma_setup);
+EXPORT_SYMBOL(ivtv_udma_unmap);
+EXPORT_SYMBOL(ivtv_udma_alloc);
+EXPORT_SYMBOL(ivtv_udma_prepare);
+EXPORT_SYMBOL(ivtv_init_on_first_open);
+EXPORT_SYMBOL(ivtv_firmware_check);
+
+module_init(module_start);
+module_exit(module_cleanup);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-18 06:57:19 +0000