diff options
author | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
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committer | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
commit | 849369d6c66d3054688672f97d31fceb8e8230fb (patch) | |
tree | 6135abc790ca67dedbe07c39806591e70eda81ce /sound/soc/omap | |
download | linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.gz linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.bz2 linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.zip |
initial_commit
Diffstat (limited to 'sound/soc/omap')
-rw-r--r-- | sound/soc/omap/Kconfig | 135 | ||||
-rw-r--r-- | sound/soc/omap/Makefile | 38 | ||||
-rw-r--r-- | sound/soc/omap/am3517evm.c | 195 | ||||
-rw-r--r-- | sound/soc/omap/ams-delta.c | 660 | ||||
-rw-r--r-- | sound/soc/omap/igep0020.c | 137 | ||||
-rw-r--r-- | sound/soc/omap/mcpdm.c | 470 | ||||
-rw-r--r-- | sound/soc/omap/mcpdm.h | 153 | ||||
-rw-r--r-- | sound/soc/omap/n810.c | 407 | ||||
-rw-r--r-- | sound/soc/omap/omap-mcbsp.c | 791 | ||||
-rw-r--r-- | sound/soc/omap/omap-mcbsp.h | 64 | ||||
-rw-r--r-- | sound/soc/omap/omap-mcpdm.c | 272 | ||||
-rw-r--r-- | sound/soc/omap/omap-pcm.c | 439 | ||||
-rw-r--r-- | sound/soc/omap/omap-pcm.h | 38 | ||||
-rw-r--r-- | sound/soc/omap/omap3beagle.c | 149 | ||||
-rw-r--r-- | sound/soc/omap/omap3evm.c | 135 | ||||
-rw-r--r-- | sound/soc/omap/omap3pandora.c | 339 | ||||
-rw-r--r-- | sound/soc/omap/osk5912.c | 223 | ||||
-rw-r--r-- | sound/soc/omap/overo.c | 139 | ||||
-rw-r--r-- | sound/soc/omap/rx51.c | 468 | ||||
-rw-r--r-- | sound/soc/omap/sdp3430.c | 345 | ||||
-rw-r--r-- | sound/soc/omap/sdp4430.c | 261 | ||||
-rw-r--r-- | sound/soc/omap/zoom2.c | 291 |
22 files changed, 6149 insertions, 0 deletions
diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig new file mode 100644 index 00000000..99054cf1 --- /dev/null +++ b/sound/soc/omap/Kconfig @@ -0,0 +1,135 @@ +config SND_OMAP_SOC + tristate "SoC Audio for the Texas Instruments OMAP chips" + depends on ARCH_OMAP + +config SND_OMAP_SOC_MCBSP + tristate + select OMAP_MCBSP + +config SND_OMAP_SOC_MCPDM + tristate + +config SND_OMAP_SOC_N810 + tristate "SoC Audio support for Nokia N810" + depends on SND_OMAP_SOC && MACH_NOKIA_N810 && I2C + depends on OMAP_MUX + select SND_OMAP_SOC_MCBSP + select SND_SOC_TLV320AIC3X + help + Say Y if you want to add support for SoC audio on Nokia N810. + +config SND_OMAP_SOC_RX51 + tristate "SoC Audio support for Nokia RX-51" + depends on SND_OMAP_SOC && MACH_NOKIA_RX51 + select OMAP_MCBSP + select SND_OMAP_SOC_MCBSP + select SND_SOC_TLV320AIC3X + select SND_SOC_TPA6130A2 + help + Say Y if you want to add support for SoC audio on Nokia RX-51 + hardware. This is also known as Nokia N900 product. + +config SND_OMAP_SOC_AMS_DELTA + tristate "SoC Audio support for Amstrad E3 (Delta) videophone" + depends on SND_OMAP_SOC && MACH_AMS_DELTA + select SND_OMAP_SOC_MCBSP + select SND_SOC_CX20442 + help + Say Y if you want to add support for SoC audio device connected to + a handset and a speakerphone found on Amstrad E3 (Delta) videophone. + + Note that in order to get those devices fully supported, you have to + build the kernel with standard serial port driver included and + configured for at least 4 ports. Then, from userspace, you must load + a line discipline #19 on the modem (ttyS3) serial line. The simplest + way to achieve this is to install util-linux-ng and use the included + ldattach utility. This can be started automatically from udev, + a simple rule like this one should do the trick (it does for me): + ACTION=="add", KERNEL=="controlC0", \ + RUN+="/usr/sbin/ldattach 19 /dev/ttyS3" + +config SND_OMAP_SOC_OSK5912 + tristate "SoC Audio support for omap osk5912" + depends on SND_OMAP_SOC && MACH_OMAP_OSK && I2C + select SND_OMAP_SOC_MCBSP + select SND_SOC_TLV320AIC23 + help + Say Y if you want to add support for SoC audio on osk5912. + +config SND_OMAP_SOC_OVERO + tristate "SoC Audio support for Gumstix Overo and CompuLab CM-T35" + depends on TWL4030_CORE && SND_OMAP_SOC && (MACH_OVERO || MACH_CM_T35) + select SND_OMAP_SOC_MCBSP + select SND_SOC_TWL4030 + help + Say Y if you want to add support for SoC audio on the + Gumstix Overo or CompuLab CM-T35 + +config SND_OMAP_SOC_OMAP3EVM + tristate "SoC Audio support for OMAP3EVM board" + depends on TWL4030_CORE && SND_OMAP_SOC && MACH_OMAP3EVM + select SND_OMAP_SOC_MCBSP + select SND_SOC_TWL4030 + help + Say Y if you want to add support for SoC audio on the omap3evm board. + +config SND_OMAP_SOC_AM3517EVM + tristate "SoC Audio support for OMAP3517 / AM3517 EVM" + depends on SND_OMAP_SOC && MACH_OMAP3517EVM && I2C + select SND_OMAP_SOC_MCBSP + select SND_SOC_TLV320AIC23 + help + Say Y if you want to add support for SoC audio on the OMAP3517 / AM3517 + EVM. + +config SND_OMAP_SOC_SDP3430 + tristate "SoC Audio support for Texas Instruments SDP3430" + depends on TWL4030_CORE && SND_OMAP_SOC && MACH_OMAP_3430SDP + select SND_OMAP_SOC_MCBSP + select SND_SOC_TWL4030 + help + Say Y if you want to add support for SoC audio on Texas Instruments + SDP3430. + +config SND_OMAP_SOC_SDP4430 + tristate "SoC Audio support for Texas Instruments SDP4430" + depends on TWL4030_CORE && SND_OMAP_SOC && MACH_OMAP_4430SDP + select SND_OMAP_SOC_MCPDM + select SND_SOC_TWL6040 + help + Say Y if you want to add support for SoC audio on Texas Instruments + SDP4430. + +config SND_OMAP_SOC_OMAP3_PANDORA + tristate "SoC Audio support for OMAP3 Pandora" + depends on TWL4030_CORE && SND_OMAP_SOC && MACH_OMAP3_PANDORA + select SND_OMAP_SOC_MCBSP + select SND_SOC_TWL4030 + help + Say Y if you want to add support for SoC audio on the OMAP3 Pandora. + +config SND_OMAP_SOC_OMAP3_BEAGLE + tristate "SoC Audio support for OMAP3 Beagle and Devkit8000" + depends on TWL4030_CORE && SND_OMAP_SOC + depends on (MACH_OMAP3_BEAGLE || MACH_DEVKIT8000) + select SND_OMAP_SOC_MCBSP + select SND_SOC_TWL4030 + help + Say Y if you want to add support for SoC audio on the Beagleboard or + the clone Devkit8000. + +config SND_OMAP_SOC_ZOOM2 + tristate "SoC Audio support for Zoom2" + depends on TWL4030_CORE && SND_OMAP_SOC && MACH_OMAP_ZOOM2 + select SND_OMAP_SOC_MCBSP + select SND_SOC_TWL4030 + help + Say Y if you want to add support for Soc audio on Zoom2 board. + +config SND_OMAP_SOC_IGEP0020 + tristate "SoC Audio support for IGEP v2" + depends on TWL4030_CORE && SND_OMAP_SOC && MACH_IGEP0020 + select SND_OMAP_SOC_MCBSP + select SND_SOC_TWL4030 + help + Say Y if you want to add support for Soc audio on IGEP v2 board. diff --git a/sound/soc/omap/Makefile b/sound/soc/omap/Makefile new file mode 100644 index 00000000..6c2c87ee --- /dev/null +++ b/sound/soc/omap/Makefile @@ -0,0 +1,38 @@ +# OMAP Platform Support +snd-soc-omap-objs := omap-pcm.o +snd-soc-omap-mcbsp-objs := omap-mcbsp.o +snd-soc-omap-mcpdm-objs := omap-mcpdm.o mcpdm.o + +obj-$(CONFIG_SND_OMAP_SOC) += snd-soc-omap.o +obj-$(CONFIG_SND_OMAP_SOC_MCBSP) += snd-soc-omap-mcbsp.o +obj-$(CONFIG_SND_OMAP_SOC_MCPDM) += snd-soc-omap-mcpdm.o + +# OMAP Machine Support +snd-soc-n810-objs := n810.o +snd-soc-rx51-objs := rx51.o +snd-soc-ams-delta-objs := ams-delta.o +snd-soc-osk5912-objs := osk5912.o +snd-soc-overo-objs := overo.o +snd-soc-omap3evm-objs := omap3evm.o +snd-soc-am3517evm-objs := am3517evm.o +snd-soc-sdp3430-objs := sdp3430.o +snd-soc-sdp4430-objs := sdp4430.o +snd-soc-omap3pandora-objs := omap3pandora.o +snd-soc-omap3beagle-objs := omap3beagle.o +snd-soc-zoom2-objs := zoom2.o +snd-soc-igep0020-objs := igep0020.o + +obj-$(CONFIG_SND_OMAP_SOC_N810) += snd-soc-n810.o +obj-$(CONFIG_SND_OMAP_SOC_RX51) += snd-soc-rx51.o +obj-$(CONFIG_SND_OMAP_SOC_AMS_DELTA) += snd-soc-ams-delta.o +obj-$(CONFIG_SND_OMAP_SOC_OSK5912) += snd-soc-osk5912.o +obj-$(CONFIG_SND_OMAP_SOC_OVERO) += snd-soc-overo.o +obj-$(CONFIG_SND_OMAP_SOC_OMAP2EVM) += snd-soc-omap2evm.o +obj-$(CONFIG_SND_OMAP_SOC_OMAP3EVM) += snd-soc-omap3evm.o +obj-$(CONFIG_SND_OMAP_SOC_AM3517EVM) += snd-soc-am3517evm.o +obj-$(CONFIG_SND_OMAP_SOC_SDP3430) += snd-soc-sdp3430.o +obj-$(CONFIG_SND_OMAP_SOC_SDP4430) += snd-soc-sdp4430.o +obj-$(CONFIG_SND_OMAP_SOC_OMAP3_PANDORA) += snd-soc-omap3pandora.o +obj-$(CONFIG_SND_OMAP_SOC_OMAP3_BEAGLE) += snd-soc-omap3beagle.o +obj-$(CONFIG_SND_OMAP_SOC_ZOOM2) += snd-soc-zoom2.o +obj-$(CONFIG_SND_OMAP_SOC_IGEP0020) += snd-soc-igep0020.o diff --git a/sound/soc/omap/am3517evm.c b/sound/soc/omap/am3517evm.c new file mode 100644 index 00000000..73dde4a1 --- /dev/null +++ b/sound/soc/omap/am3517evm.c @@ -0,0 +1,195 @@ +/* + * am3517evm.c -- ALSA SoC support for OMAP3517 / AM3517 EVM + * + * Author: Anuj Aggarwal <anuj.aggarwal@ti.com> + * + * Based on sound/soc/omap/beagle.c by Steve Sakoman + * + * Copyright (C) 2009 Texas Instruments Incorporated + * + * 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 version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind, + * whether express or implied; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <mach/hardware.h> +#include <mach/gpio.h> +#include <plat/mcbsp.h> + +#include "omap-mcbsp.h" +#include "omap-pcm.h" + +#include "../codecs/tlv320aic23.h" + +#define CODEC_CLOCK 12000000 + +static int am3517evm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + int ret; + + /* Set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_DSP_B | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_ERR "can't set codec DAI configuration\n"); + return ret; + } + + /* Set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_DSP_B | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_ERR "can't set cpu DAI configuration\n"); + return ret; + } + + /* Set the codec system clock for DAC and ADC */ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, + CODEC_CLOCK, SND_SOC_CLOCK_IN); + if (ret < 0) { + printk(KERN_ERR "can't set codec system clock\n"); + return ret; + } + + ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_CLKR_SRC_CLKX, 0, + SND_SOC_CLOCK_IN); + if (ret < 0) { + printk(KERN_ERR "can't set CPU system clock OMAP_MCBSP_CLKR_SRC_CLKX\n"); + return ret; + } + + snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_FSR_SRC_FSX, 0, + SND_SOC_CLOCK_IN); + if (ret < 0) { + printk(KERN_ERR "can't set CPU system clock OMAP_MCBSP_FSR_SRC_FSX\n"); + return ret; + } + + return 0; +} + +static struct snd_soc_ops am3517evm_ops = { + .hw_params = am3517evm_hw_params, +}; + +/* am3517evm machine dapm widgets */ +static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = { + SND_SOC_DAPM_HP("Line Out", NULL), + SND_SOC_DAPM_LINE("Line In", NULL), + SND_SOC_DAPM_MIC("Mic In", NULL), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + /* Line Out connected to LLOUT, RLOUT */ + {"Line Out", NULL, "LOUT"}, + {"Line Out", NULL, "ROUT"}, + + {"LLINEIN", NULL, "Line In"}, + {"RLINEIN", NULL, "Line In"}, + + {"MICIN", NULL, "Mic In"}, +}; + +static int am3517evm_aic23_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + + /* Add am3517-evm specific widgets */ + snd_soc_dapm_new_controls(dapm, tlv320aic23_dapm_widgets, + ARRAY_SIZE(tlv320aic23_dapm_widgets)); + + /* Set up davinci-evm specific audio path audio_map */ + snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); + + /* always connected */ + snd_soc_dapm_enable_pin(dapm, "Line Out"); + snd_soc_dapm_enable_pin(dapm, "Line In"); + snd_soc_dapm_enable_pin(dapm, "Mic In"); + + snd_soc_dapm_sync(dapm); + + return 0; +} + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link am3517evm_dai = { + .name = "TLV320AIC23", + .stream_name = "AIC23", + .cpu_dai_name ="omap-mcbsp-dai.0", + .codec_dai_name = "tlv320aic23-hifi", + .platform_name = "omap-pcm-audio", + .codec_name = "tlv320aic23-codec.2-001a", + .init = am3517evm_aic23_init, + .ops = &am3517evm_ops, +}; + +/* Audio machine driver */ +static struct snd_soc_card snd_soc_am3517evm = { + .name = "am3517evm", + .dai_link = &am3517evm_dai, + .num_links = 1, +}; + +static struct platform_device *am3517evm_snd_device; + +static int __init am3517evm_soc_init(void) +{ + int ret; + + if (!machine_is_omap3517evm()) + return -ENODEV; + pr_info("OMAP3517 / AM3517 EVM SoC init\n"); + + am3517evm_snd_device = platform_device_alloc("soc-audio", -1); + if (!am3517evm_snd_device) { + printk(KERN_ERR "Platform device allocation failed\n"); + return -ENOMEM; + } + + platform_set_drvdata(am3517evm_snd_device, &snd_soc_am3517evm); + + ret = platform_device_add(am3517evm_snd_device); + if (ret) + goto err1; + + return 0; + +err1: + printk(KERN_ERR "Unable to add platform device\n"); + platform_device_put(am3517evm_snd_device); + + return ret; +} + +static void __exit am3517evm_soc_exit(void) +{ + platform_device_unregister(am3517evm_snd_device); +} + +module_init(am3517evm_soc_init); +module_exit(am3517evm_soc_exit); + +MODULE_AUTHOR("Anuj Aggarwal <anuj.aggarwal@ti.com>"); +MODULE_DESCRIPTION("ALSA SoC OMAP3517 / AM3517 EVM"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/omap/ams-delta.c b/sound/soc/omap/ams-delta.c new file mode 100644 index 00000000..462cbcbe --- /dev/null +++ b/sound/soc/omap/ams-delta.c @@ -0,0 +1,660 @@ +/* + * ams-delta.c -- SoC audio for Amstrad E3 (Delta) videophone + * + * Copyright (C) 2009 Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> + * + * Initially based on sound/soc/omap/osk5912.x + * Copyright (C) 2008 Mistral Solutions + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/gpio.h> +#include <linux/spinlock.h> +#include <linux/tty.h> + +#include <sound/soc.h> +#include <sound/jack.h> + +#include <asm/mach-types.h> + +#include <plat/board-ams-delta.h> +#include <plat/mcbsp.h> + +#include "omap-mcbsp.h" +#include "omap-pcm.h" +#include "../codecs/cx20442.h" + + +/* Board specific DAPM widgets */ +static const struct snd_soc_dapm_widget ams_delta_dapm_widgets[] = { + /* Handset */ + SND_SOC_DAPM_MIC("Mouthpiece", NULL), + SND_SOC_DAPM_HP("Earpiece", NULL), + /* Handsfree/Speakerphone */ + SND_SOC_DAPM_MIC("Microphone", NULL), + SND_SOC_DAPM_SPK("Speaker", NULL), +}; + +/* How they are connected to codec pins */ +static const struct snd_soc_dapm_route ams_delta_audio_map[] = { + {"TELIN", NULL, "Mouthpiece"}, + {"Earpiece", NULL, "TELOUT"}, + + {"MIC", NULL, "Microphone"}, + {"Speaker", NULL, "SPKOUT"}, +}; + +/* + * Controls, functional after the modem line discipline is activated. + */ + +/* Virtual switch: audio input/output constellations */ +static const char *ams_delta_audio_mode[] = + {"Mixed", "Handset", "Handsfree", "Speakerphone"}; + +/* Selection <-> pin translation */ +#define AMS_DELTA_MOUTHPIECE 0 +#define AMS_DELTA_EARPIECE 1 +#define AMS_DELTA_MICROPHONE 2 +#define AMS_DELTA_SPEAKER 3 +#define AMS_DELTA_AGC 4 + +#define AMS_DELTA_MIXED ((1 << AMS_DELTA_EARPIECE) | \ + (1 << AMS_DELTA_MICROPHONE)) +#define AMS_DELTA_HANDSET ((1 << AMS_DELTA_MOUTHPIECE) | \ + (1 << AMS_DELTA_EARPIECE)) +#define AMS_DELTA_HANDSFREE ((1 << AMS_DELTA_MICROPHONE) | \ + (1 << AMS_DELTA_SPEAKER)) +#define AMS_DELTA_SPEAKERPHONE (AMS_DELTA_HANDSFREE | (1 << AMS_DELTA_AGC)) + +static const unsigned short ams_delta_audio_mode_pins[] = { + AMS_DELTA_MIXED, + AMS_DELTA_HANDSET, + AMS_DELTA_HANDSFREE, + AMS_DELTA_SPEAKERPHONE, +}; + +static unsigned short ams_delta_audio_agc; + +static int ams_delta_set_audio_mode(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct snd_soc_dapm_context *dapm = &codec->dapm; + struct soc_enum *control = (struct soc_enum *)kcontrol->private_value; + unsigned short pins; + int pin, changed = 0; + + /* Refuse any mode changes if we are not able to control the codec. */ + if (!codec->hw_write) + return -EUNATCH; + + if (ucontrol->value.enumerated.item[0] >= control->max) + return -EINVAL; + + mutex_lock(&codec->mutex); + + /* Translate selection to bitmap */ + pins = ams_delta_audio_mode_pins[ucontrol->value.enumerated.item[0]]; + + /* Setup pins after corresponding bits if changed */ + pin = !!(pins & (1 << AMS_DELTA_MOUTHPIECE)); + if (pin != snd_soc_dapm_get_pin_status(dapm, "Mouthpiece")) { + changed = 1; + if (pin) + snd_soc_dapm_enable_pin(dapm, "Mouthpiece"); + else + snd_soc_dapm_disable_pin(dapm, "Mouthpiece"); + } + pin = !!(pins & (1 << AMS_DELTA_EARPIECE)); + if (pin != snd_soc_dapm_get_pin_status(dapm, "Earpiece")) { + changed = 1; + if (pin) + snd_soc_dapm_enable_pin(dapm, "Earpiece"); + else + snd_soc_dapm_disable_pin(dapm, "Earpiece"); + } + pin = !!(pins & (1 << AMS_DELTA_MICROPHONE)); + if (pin != snd_soc_dapm_get_pin_status(dapm, "Microphone")) { + changed = 1; + if (pin) + snd_soc_dapm_enable_pin(dapm, "Microphone"); + else + snd_soc_dapm_disable_pin(dapm, "Microphone"); + } + pin = !!(pins & (1 << AMS_DELTA_SPEAKER)); + if (pin != snd_soc_dapm_get_pin_status(dapm, "Speaker")) { + changed = 1; + if (pin) + snd_soc_dapm_enable_pin(dapm, "Speaker"); + else + snd_soc_dapm_disable_pin(dapm, "Speaker"); + } + pin = !!(pins & (1 << AMS_DELTA_AGC)); + if (pin != ams_delta_audio_agc) { + ams_delta_audio_agc = pin; + changed = 1; + if (pin) + snd_soc_dapm_enable_pin(dapm, "AGCIN"); + else + snd_soc_dapm_disable_pin(dapm, "AGCIN"); + } + if (changed) + snd_soc_dapm_sync(dapm); + + mutex_unlock(&codec->mutex); + + return changed; +} + +static int ams_delta_get_audio_mode(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct snd_soc_dapm_context *dapm = &codec->dapm; + unsigned short pins, mode; + + pins = ((snd_soc_dapm_get_pin_status(dapm, "Mouthpiece") << + AMS_DELTA_MOUTHPIECE) | + (snd_soc_dapm_get_pin_status(dapm, "Earpiece") << + AMS_DELTA_EARPIECE)); + if (pins) + pins |= (snd_soc_dapm_get_pin_status(dapm, "Microphone") << + AMS_DELTA_MICROPHONE); + else + pins = ((snd_soc_dapm_get_pin_status(dapm, "Microphone") << + AMS_DELTA_MICROPHONE) | + (snd_soc_dapm_get_pin_status(dapm, "Speaker") << + AMS_DELTA_SPEAKER) | + (ams_delta_audio_agc << AMS_DELTA_AGC)); + + for (mode = 0; mode < ARRAY_SIZE(ams_delta_audio_mode); mode++) + if (pins == ams_delta_audio_mode_pins[mode]) + break; + + if (mode >= ARRAY_SIZE(ams_delta_audio_mode)) + return -EINVAL; + + ucontrol->value.enumerated.item[0] = mode; + + return 0; +} + +static const struct soc_enum ams_delta_audio_enum[] = { + SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(ams_delta_audio_mode), + ams_delta_audio_mode), +}; + +static const struct snd_kcontrol_new ams_delta_audio_controls[] = { + SOC_ENUM_EXT("Audio Mode", ams_delta_audio_enum[0], + ams_delta_get_audio_mode, ams_delta_set_audio_mode), +}; + +/* Hook switch */ +static struct snd_soc_jack ams_delta_hook_switch; +static struct snd_soc_jack_gpio ams_delta_hook_switch_gpios[] = { + { + .gpio = 4, + .name = "hook_switch", + .report = SND_JACK_HEADSET, + .invert = 1, + .debounce_time = 150, + } +}; + +/* After we are able to control the codec over the modem, + * the hook switch can be used for dynamic DAPM reconfiguration. */ +static struct snd_soc_jack_pin ams_delta_hook_switch_pins[] = { + /* Handset */ + { + .pin = "Mouthpiece", + .mask = SND_JACK_MICROPHONE, + }, + { + .pin = "Earpiece", + .mask = SND_JACK_HEADPHONE, + }, + /* Handsfree */ + { + .pin = "Microphone", + .mask = SND_JACK_MICROPHONE, + .invert = 1, + }, + { + .pin = "Speaker", + .mask = SND_JACK_HEADPHONE, + .invert = 1, + }, +}; + + +/* + * Modem line discipline, required for making above controls functional. + * Activated from userspace with ldattach, possibly invoked from udev rule. + */ + +/* To actually apply any modem controlled configuration changes to the codec, + * we must connect codec DAI pins to the modem for a moment. Be careful not + * to interfere with our digital mute function that shares the same hardware. */ +static struct timer_list cx81801_timer; +static bool cx81801_cmd_pending; +static bool ams_delta_muted; +static DEFINE_SPINLOCK(ams_delta_lock); + +static void cx81801_timeout(unsigned long data) +{ + int muted; + + spin_lock(&ams_delta_lock); + cx81801_cmd_pending = 0; + muted = ams_delta_muted; + spin_unlock(&ams_delta_lock); + + /* Reconnect the codec DAI back from the modem to the CPU DAI + * only if digital mute still off */ + if (!muted) + ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC, 0); +} + +/* + * Used for passing a codec structure pointer + * from the board initialization code to the tty line discipline. + */ +static struct snd_soc_codec *cx20442_codec; + +/* Line discipline .open() */ +static int cx81801_open(struct tty_struct *tty) +{ + int ret; + + if (!cx20442_codec) + return -ENODEV; + + /* + * Pass the codec structure pointer for use by other ldisc callbacks, + * both the card and the codec specific parts. + */ + tty->disc_data = cx20442_codec; + + ret = v253_ops.open(tty); + + if (ret < 0) + tty->disc_data = NULL; + + return ret; +} + +/* Line discipline .close() */ +static void cx81801_close(struct tty_struct *tty) +{ + struct snd_soc_codec *codec = tty->disc_data; + struct snd_soc_dapm_context *dapm = &codec->dapm; + + del_timer_sync(&cx81801_timer); + + /* Prevent the hook switch from further changing the DAPM pins */ + INIT_LIST_HEAD(&ams_delta_hook_switch.pins); + + if (!codec) + return; + + v253_ops.close(tty); + + /* Revert back to default audio input/output constellation */ + snd_soc_dapm_disable_pin(dapm, "Mouthpiece"); + snd_soc_dapm_enable_pin(dapm, "Earpiece"); + snd_soc_dapm_enable_pin(dapm, "Microphone"); + snd_soc_dapm_disable_pin(dapm, "Speaker"); + snd_soc_dapm_disable_pin(dapm, "AGCIN"); + snd_soc_dapm_sync(dapm); +} + +/* Line discipline .hangup() */ +static int cx81801_hangup(struct tty_struct *tty) +{ + cx81801_close(tty); + return 0; +} + +/* Line discipline .recieve_buf() */ +static void cx81801_receive(struct tty_struct *tty, + const unsigned char *cp, char *fp, int count) +{ + struct snd_soc_codec *codec = tty->disc_data; + const unsigned char *c; + int apply, ret; + + if (!codec) + return; + + if (!codec->hw_write) { + /* First modem response, complete setup procedure */ + + /* Initialize timer used for config pulse generation */ + setup_timer(&cx81801_timer, cx81801_timeout, 0); + + v253_ops.receive_buf(tty, cp, fp, count); + + /* Link hook switch to DAPM pins */ + ret = snd_soc_jack_add_pins(&ams_delta_hook_switch, + ARRAY_SIZE(ams_delta_hook_switch_pins), + ams_delta_hook_switch_pins); + if (ret) + dev_warn(codec->dev, + "Failed to link hook switch to DAPM pins, " + "will continue with hook switch unlinked.\n"); + + return; + } + + v253_ops.receive_buf(tty, cp, fp, count); + + for (c = &cp[count - 1]; c >= cp; c--) { + if (*c != '\r') + continue; + /* Complete modem response received, apply config to codec */ + + spin_lock_bh(&ams_delta_lock); + mod_timer(&cx81801_timer, jiffies + msecs_to_jiffies(150)); + apply = !ams_delta_muted && !cx81801_cmd_pending; + cx81801_cmd_pending = 1; + spin_unlock_bh(&ams_delta_lock); + + /* Apply config pulse by connecting the codec to the modem + * if not already done */ + if (apply) + ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC, + AMS_DELTA_LATCH2_MODEM_CODEC); + break; + } +} + +/* Line discipline .write_wakeup() */ +static void cx81801_wakeup(struct tty_struct *tty) +{ + v253_ops.write_wakeup(tty); +} + +static struct tty_ldisc_ops cx81801_ops = { + .magic = TTY_LDISC_MAGIC, + .name = "cx81801", + .owner = THIS_MODULE, + .open = cx81801_open, + .close = cx81801_close, + .hangup = cx81801_hangup, + .receive_buf = cx81801_receive, + .write_wakeup = cx81801_wakeup, +}; + + +/* + * Even if not very useful, the sound card can still work without any of the + * above functonality activated. You can still control its audio input/output + * constellation and speakerphone gain from userspace by issuing AT commands + * over the modem port. + */ + +static int ams_delta_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + + /* Set cpu DAI configuration */ + return snd_soc_dai_set_fmt(rtd->cpu_dai, + SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); +} + +static struct snd_soc_ops ams_delta_ops = { + .hw_params = ams_delta_hw_params, +}; + + +/* Board specific codec bias level control */ +static int ams_delta_set_bias_level(struct snd_soc_card *card, + enum snd_soc_bias_level level) +{ + struct snd_soc_codec *codec = card->rtd->codec; + + switch (level) { + case SND_SOC_BIAS_ON: + case SND_SOC_BIAS_PREPARE: + case SND_SOC_BIAS_STANDBY: + if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) + ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_NRESET, + AMS_DELTA_LATCH2_MODEM_NRESET); + break; + case SND_SOC_BIAS_OFF: + if (codec->dapm.bias_level != SND_SOC_BIAS_OFF) + ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_NRESET, + 0); + } + codec->dapm.bias_level = level; + + return 0; +} + +/* Digital mute implemented using modem/CPU multiplexer. + * Shares hardware with codec config pulse generation */ +static bool ams_delta_muted = 1; + +static int ams_delta_digital_mute(struct snd_soc_dai *dai, int mute) +{ + int apply; + + if (ams_delta_muted == mute) + return 0; + + spin_lock_bh(&ams_delta_lock); + ams_delta_muted = mute; + apply = !cx81801_cmd_pending; + spin_unlock_bh(&ams_delta_lock); + + if (apply) + ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC, + mute ? AMS_DELTA_LATCH2_MODEM_CODEC : 0); + return 0; +} + +/* Our codec DAI probably doesn't have its own .ops structure */ +static struct snd_soc_dai_ops ams_delta_dai_ops = { + .digital_mute = ams_delta_digital_mute, +}; + +/* Will be used if the codec ever has its own digital_mute function */ +static int ams_delta_startup(struct snd_pcm_substream *substream) +{ + return ams_delta_digital_mute(NULL, 0); +} + +static void ams_delta_shutdown(struct snd_pcm_substream *substream) +{ + ams_delta_digital_mute(NULL, 1); +} + + +/* + * Card initialization + */ + +static int ams_delta_cx20442_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_card *card = rtd->card; + int ret; + /* Codec is ready, now add/activate board specific controls */ + + /* Store a pointer to the codec structure for tty ldisc use */ + cx20442_codec = codec; + + /* Set up digital mute if not provided by the codec */ + if (!codec_dai->driver->ops) { + codec_dai->driver->ops = &ams_delta_dai_ops; + } else { + ams_delta_ops.startup = ams_delta_startup; + ams_delta_ops.shutdown = ams_delta_shutdown; + } + + /* Set codec bias level */ + ams_delta_set_bias_level(card, SND_SOC_BIAS_STANDBY); + + /* Add hook switch - can be used to control the codec from userspace + * even if line discipline fails */ + ret = snd_soc_jack_new(rtd->codec, "hook_switch", + SND_JACK_HEADSET, &ams_delta_hook_switch); + if (ret) + dev_warn(card->dev, + "Failed to allocate resources for hook switch, " + "will continue without one.\n"); + else { + ret = snd_soc_jack_add_gpios(&ams_delta_hook_switch, + ARRAY_SIZE(ams_delta_hook_switch_gpios), + ams_delta_hook_switch_gpios); + if (ret) + dev_warn(card->dev, + "Failed to set up hook switch GPIO line, " + "will continue with hook switch inactive.\n"); + } + + /* Register optional line discipline for over the modem control */ + ret = tty_register_ldisc(N_V253, &cx81801_ops); + if (ret) { + dev_warn(card->dev, + "Failed to register line discipline, " + "will continue without any controls.\n"); + return 0; + } + + /* Add board specific DAPM widgets and routes */ + ret = snd_soc_dapm_new_controls(dapm, ams_delta_dapm_widgets, + ARRAY_SIZE(ams_delta_dapm_widgets)); + if (ret) { + dev_warn(card->dev, + "Failed to register DAPM controls, " + "will continue without any.\n"); + return 0; + } + + ret = snd_soc_dapm_add_routes(dapm, ams_delta_audio_map, + ARRAY_SIZE(ams_delta_audio_map)); + if (ret) { + dev_warn(card->dev, + "Failed to set up DAPM routes, " + "will continue with codec default map.\n"); + return 0; + } + + /* Set up initial pin constellation */ + snd_soc_dapm_disable_pin(dapm, "Mouthpiece"); + snd_soc_dapm_enable_pin(dapm, "Earpiece"); + snd_soc_dapm_enable_pin(dapm, "Microphone"); + snd_soc_dapm_disable_pin(dapm, "Speaker"); + snd_soc_dapm_disable_pin(dapm, "AGCIN"); + snd_soc_dapm_disable_pin(dapm, "AGCOUT"); + snd_soc_dapm_sync(dapm); + + /* Add virtual switch */ + ret = snd_soc_add_controls(codec, ams_delta_audio_controls, + ARRAY_SIZE(ams_delta_audio_controls)); + if (ret) + dev_warn(card->dev, + "Failed to register audio mode control, " + "will continue without it.\n"); + + return 0; +} + +/* DAI glue - connects codec <--> CPU */ +static struct snd_soc_dai_link ams_delta_dai_link = { + .name = "CX20442", + .stream_name = "CX20442", + .cpu_dai_name ="omap-mcbsp-dai.0", + .codec_dai_name = "cx20442-voice", + .init = ams_delta_cx20442_init, + .platform_name = "omap-pcm-audio", + .codec_name = "cx20442-codec", + .ops = &ams_delta_ops, +}; + +/* Audio card driver */ +static struct snd_soc_card ams_delta_audio_card = { + .name = "AMS_DELTA", + .dai_link = &ams_delta_dai_link, + .num_links = 1, + .set_bias_level = ams_delta_set_bias_level, +}; + +/* Module init/exit */ +static struct platform_device *ams_delta_audio_platform_device; +static struct platform_device *cx20442_platform_device; + +static int __init ams_delta_module_init(void) +{ + int ret; + + if (!(machine_is_ams_delta())) + return -ENODEV; + + ams_delta_audio_platform_device = + platform_device_alloc("soc-audio", -1); + if (!ams_delta_audio_platform_device) + return -ENOMEM; + + platform_set_drvdata(ams_delta_audio_platform_device, + &ams_delta_audio_card); + + ret = platform_device_add(ams_delta_audio_platform_device); + if (ret) + goto err; + + /* + * Codec platform device could be registered from elsewhere (board?), + * but I do it here as it makes sense only if used with the card. + */ + cx20442_platform_device = + platform_device_register_simple("cx20442-codec", -1, NULL, 0); + return 0; +err: + platform_device_put(ams_delta_audio_platform_device); + return ret; +} +module_init(ams_delta_module_init); + +static void __exit ams_delta_module_exit(void) +{ + if (tty_unregister_ldisc(N_V253) != 0) + dev_warn(&ams_delta_audio_platform_device->dev, + "failed to unregister V253 line discipline\n"); + + snd_soc_jack_free_gpios(&ams_delta_hook_switch, + ARRAY_SIZE(ams_delta_hook_switch_gpios), + ams_delta_hook_switch_gpios); + + /* Keep modem power on */ + ams_delta_set_bias_level(&ams_delta_audio_card, SND_SOC_BIAS_STANDBY); + + platform_device_unregister(cx20442_platform_device); + platform_device_unregister(ams_delta_audio_platform_device); +} +module_exit(ams_delta_module_exit); + +MODULE_AUTHOR("Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>"); +MODULE_DESCRIPTION("ALSA SoC driver for Amstrad E3 (Delta) videophone"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/omap/igep0020.c b/sound/soc/omap/igep0020.c new file mode 100644 index 00000000..0ae34702 --- /dev/null +++ b/sound/soc/omap/igep0020.c @@ -0,0 +1,137 @@ +/* + * igep0020.c -- SoC audio for IGEP v2 + * + * Based on sound/soc/omap/overo.c by Steve Sakoman + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <mach/hardware.h> +#include <mach/gpio.h> +#include <plat/mcbsp.h> + +#include "omap-mcbsp.h" +#include "omap-pcm.h" + +static int igep2_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + int ret; + + /* Set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_ERR "can't set codec DAI configuration\n"); + return ret; + } + + /* Set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_ERR "can't set cpu DAI configuration\n"); + return ret; + } + + /* Set the codec system clock for DAC and ADC */ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, + SND_SOC_CLOCK_IN); + if (ret < 0) { + printk(KERN_ERR "can't set codec system clock\n"); + return ret; + } + + return 0; +} + +static struct snd_soc_ops igep2_ops = { + .hw_params = igep2_hw_params, +}; + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link igep2_dai = { + .name = "TWL4030", + .stream_name = "TWL4030", + .cpu_dai_name = "omap-mcbsp-dai.1", + .codec_dai_name = "twl4030-hifi", + .platform_name = "omap-pcm-audio", + .codec_name = "twl4030-codec", + .ops = &igep2_ops, +}; + +/* Audio machine driver */ +static struct snd_soc_card snd_soc_card_igep2 = { + .name = "igep2", + .dai_link = &igep2_dai, + .num_links = 1, +}; + +static struct platform_device *igep2_snd_device; + +static int __init igep2_soc_init(void) +{ + int ret; + + if (!machine_is_igep0020()) + return -ENODEV; + printk(KERN_INFO "IGEP v2 SoC init\n"); + + igep2_snd_device = platform_device_alloc("soc-audio", -1); + if (!igep2_snd_device) { + printk(KERN_ERR "Platform device allocation failed\n"); + return -ENOMEM; + } + + platform_set_drvdata(igep2_snd_device, &snd_soc_card_igep2); + + ret = platform_device_add(igep2_snd_device); + if (ret) + goto err1; + + return 0; + +err1: + printk(KERN_ERR "Unable to add platform device\n"); + platform_device_put(igep2_snd_device); + + return ret; +} +module_init(igep2_soc_init); + +static void __exit igep2_soc_exit(void) +{ + platform_device_unregister(igep2_snd_device); +} +module_exit(igep2_soc_exit); + +MODULE_AUTHOR("Enric Balletbo i Serra <eballetbo@iseebcn.com>"); +MODULE_DESCRIPTION("ALSA SoC IGEP v2"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/omap/mcpdm.c b/sound/soc/omap/mcpdm.c new file mode 100644 index 00000000..928f0370 --- /dev/null +++ b/sound/soc/omap/mcpdm.c @@ -0,0 +1,470 @@ +/* + * mcpdm.c -- McPDM interface driver + * + * Author: Jorge Eduardo Candelaria <x0107209@ti.com> + * Copyright (C) 2009 - Texas Instruments, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/wait.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/irq.h> + +#include "mcpdm.h" + +static struct omap_mcpdm *mcpdm; + +static inline void omap_mcpdm_write(u16 reg, u32 val) +{ + __raw_writel(val, mcpdm->io_base + reg); +} + +static inline int omap_mcpdm_read(u16 reg) +{ + return __raw_readl(mcpdm->io_base + reg); +} + +static void omap_mcpdm_reg_dump(void) +{ + dev_dbg(mcpdm->dev, "***********************\n"); + dev_dbg(mcpdm->dev, "IRQSTATUS_RAW: 0x%04x\n", + omap_mcpdm_read(MCPDM_IRQSTATUS_RAW)); + dev_dbg(mcpdm->dev, "IRQSTATUS: 0x%04x\n", + omap_mcpdm_read(MCPDM_IRQSTATUS)); + dev_dbg(mcpdm->dev, "IRQENABLE_SET: 0x%04x\n", + omap_mcpdm_read(MCPDM_IRQENABLE_SET)); + dev_dbg(mcpdm->dev, "IRQENABLE_CLR: 0x%04x\n", + omap_mcpdm_read(MCPDM_IRQENABLE_CLR)); + dev_dbg(mcpdm->dev, "IRQWAKE_EN: 0x%04x\n", + omap_mcpdm_read(MCPDM_IRQWAKE_EN)); + dev_dbg(mcpdm->dev, "DMAENABLE_SET: 0x%04x\n", + omap_mcpdm_read(MCPDM_DMAENABLE_SET)); + dev_dbg(mcpdm->dev, "DMAENABLE_CLR: 0x%04x\n", + omap_mcpdm_read(MCPDM_DMAENABLE_CLR)); + dev_dbg(mcpdm->dev, "DMAWAKEEN: 0x%04x\n", + omap_mcpdm_read(MCPDM_DMAWAKEEN)); + dev_dbg(mcpdm->dev, "CTRL: 0x%04x\n", + omap_mcpdm_read(MCPDM_CTRL)); + dev_dbg(mcpdm->dev, "DN_DATA: 0x%04x\n", + omap_mcpdm_read(MCPDM_DN_DATA)); + dev_dbg(mcpdm->dev, "UP_DATA: 0x%04x\n", + omap_mcpdm_read(MCPDM_UP_DATA)); + dev_dbg(mcpdm->dev, "FIFO_CTRL_DN: 0x%04x\n", + omap_mcpdm_read(MCPDM_FIFO_CTRL_DN)); + dev_dbg(mcpdm->dev, "FIFO_CTRL_UP: 0x%04x\n", + omap_mcpdm_read(MCPDM_FIFO_CTRL_UP)); + dev_dbg(mcpdm->dev, "DN_OFFSET: 0x%04x\n", + omap_mcpdm_read(MCPDM_DN_OFFSET)); + dev_dbg(mcpdm->dev, "***********************\n"); +} + +/* + * Takes the McPDM module in and out of reset state. + * Uplink and downlink can be reset individually. + */ +static void omap_mcpdm_reset_capture(int reset) +{ + int ctrl = omap_mcpdm_read(MCPDM_CTRL); + + if (reset) + ctrl |= SW_UP_RST; + else + ctrl &= ~SW_UP_RST; + + omap_mcpdm_write(MCPDM_CTRL, ctrl); +} + +static void omap_mcpdm_reset_playback(int reset) +{ + int ctrl = omap_mcpdm_read(MCPDM_CTRL); + + if (reset) + ctrl |= SW_DN_RST; + else + ctrl &= ~SW_DN_RST; + + omap_mcpdm_write(MCPDM_CTRL, ctrl); +} + +/* + * Enables the transfer through the PDM interface to/from the Phoenix + * codec by enabling the corresponding UP or DN channels. + */ +void omap_mcpdm_start(int stream) +{ + int ctrl = omap_mcpdm_read(MCPDM_CTRL); + + if (stream) + ctrl |= mcpdm->up_channels; + else + ctrl |= mcpdm->dn_channels; + + omap_mcpdm_write(MCPDM_CTRL, ctrl); +} + +/* + * Disables the transfer through the PDM interface to/from the Phoenix + * codec by disabling the corresponding UP or DN channels. + */ +void omap_mcpdm_stop(int stream) +{ + int ctrl = omap_mcpdm_read(MCPDM_CTRL); + + if (stream) + ctrl &= ~mcpdm->up_channels; + else + ctrl &= ~mcpdm->dn_channels; + + omap_mcpdm_write(MCPDM_CTRL, ctrl); +} + +/* + * Configures McPDM uplink for audio recording. + * This function should be called before omap_mcpdm_start. + */ +int omap_mcpdm_capture_open(struct omap_mcpdm_link *uplink) +{ + int irq_mask = 0; + int ctrl; + + if (!uplink) + return -EINVAL; + + mcpdm->uplink = uplink; + + /* Enable irq request generation */ + irq_mask |= uplink->irq_mask & MCPDM_UPLINK_IRQ_MASK; + omap_mcpdm_write(MCPDM_IRQENABLE_SET, irq_mask); + + /* Configure uplink threshold */ + if (uplink->threshold > UP_THRES_MAX) + uplink->threshold = UP_THRES_MAX; + + omap_mcpdm_write(MCPDM_FIFO_CTRL_UP, uplink->threshold); + + /* Configure DMA controller */ + omap_mcpdm_write(MCPDM_DMAENABLE_SET, DMA_UP_ENABLE); + + /* Set pdm out format */ + ctrl = omap_mcpdm_read(MCPDM_CTRL); + ctrl &= ~PDMOUTFORMAT; + ctrl |= uplink->format & PDMOUTFORMAT; + + /* Uplink channels */ + mcpdm->up_channels = uplink->channels & (PDM_UP_MASK | PDM_STATUS_MASK); + + omap_mcpdm_write(MCPDM_CTRL, ctrl); + + return 0; +} + +/* + * Configures McPDM downlink for audio playback. + * This function should be called before omap_mcpdm_start. + */ +int omap_mcpdm_playback_open(struct omap_mcpdm_link *downlink) +{ + int irq_mask = 0; + int ctrl; + + if (!downlink) + return -EINVAL; + + mcpdm->downlink = downlink; + + /* Enable irq request generation */ + irq_mask |= downlink->irq_mask & MCPDM_DOWNLINK_IRQ_MASK; + omap_mcpdm_write(MCPDM_IRQENABLE_SET, irq_mask); + + /* Configure uplink threshold */ + if (downlink->threshold > DN_THRES_MAX) + downlink->threshold = DN_THRES_MAX; + + omap_mcpdm_write(MCPDM_FIFO_CTRL_DN, downlink->threshold); + + /* Enable DMA request generation */ + omap_mcpdm_write(MCPDM_DMAENABLE_SET, DMA_DN_ENABLE); + + /* Set pdm out format */ + ctrl = omap_mcpdm_read(MCPDM_CTRL); + ctrl &= ~PDMOUTFORMAT; + ctrl |= downlink->format & PDMOUTFORMAT; + + /* Downlink channels */ + mcpdm->dn_channels = downlink->channels & (PDM_DN_MASK | PDM_CMD_MASK); + + omap_mcpdm_write(MCPDM_CTRL, ctrl); + + return 0; +} + +/* + * Cleans McPDM uplink configuration. + * This function should be called when the stream is closed. + */ +int omap_mcpdm_capture_close(struct omap_mcpdm_link *uplink) +{ + int irq_mask = 0; + + if (!uplink) + return -EINVAL; + + /* Disable irq request generation */ + irq_mask |= uplink->irq_mask & MCPDM_UPLINK_IRQ_MASK; + omap_mcpdm_write(MCPDM_IRQENABLE_CLR, irq_mask); + + /* Disable DMA request generation */ + omap_mcpdm_write(MCPDM_DMAENABLE_CLR, DMA_UP_ENABLE); + + /* Clear Downlink channels */ + mcpdm->up_channels = 0; + + mcpdm->uplink = NULL; + + return 0; +} + +/* + * Cleans McPDM downlink configuration. + * This function should be called when the stream is closed. + */ +int omap_mcpdm_playback_close(struct omap_mcpdm_link *downlink) +{ + int irq_mask = 0; + + if (!downlink) + return -EINVAL; + + /* Disable irq request generation */ + irq_mask |= downlink->irq_mask & MCPDM_DOWNLINK_IRQ_MASK; + omap_mcpdm_write(MCPDM_IRQENABLE_CLR, irq_mask); + + /* Disable DMA request generation */ + omap_mcpdm_write(MCPDM_DMAENABLE_CLR, DMA_DN_ENABLE); + + /* clear Downlink channels */ + mcpdm->dn_channels = 0; + + mcpdm->downlink = NULL; + + return 0; +} + +static irqreturn_t omap_mcpdm_irq_handler(int irq, void *dev_id) +{ + struct omap_mcpdm *mcpdm_irq = dev_id; + int irq_status; + + irq_status = omap_mcpdm_read(MCPDM_IRQSTATUS); + + /* Acknowledge irq event */ + omap_mcpdm_write(MCPDM_IRQSTATUS, irq_status); + + if (irq & MCPDM_DN_IRQ_FULL) { + dev_err(mcpdm_irq->dev, "DN FIFO error %x\n", irq_status); + omap_mcpdm_reset_playback(1); + omap_mcpdm_playback_open(mcpdm_irq->downlink); + omap_mcpdm_reset_playback(0); + } + + if (irq & MCPDM_DN_IRQ_EMPTY) { + dev_err(mcpdm_irq->dev, "DN FIFO error %x\n", irq_status); + omap_mcpdm_reset_playback(1); + omap_mcpdm_playback_open(mcpdm_irq->downlink); + omap_mcpdm_reset_playback(0); + } + + if (irq & MCPDM_DN_IRQ) { + dev_dbg(mcpdm_irq->dev, "DN write request\n"); + } + + if (irq & MCPDM_UP_IRQ_FULL) { + dev_err(mcpdm_irq->dev, "UP FIFO error %x\n", irq_status); + omap_mcpdm_reset_capture(1); + omap_mcpdm_capture_open(mcpdm_irq->uplink); + omap_mcpdm_reset_capture(0); + } + + if (irq & MCPDM_UP_IRQ_EMPTY) { + dev_err(mcpdm_irq->dev, "UP FIFO error %x\n", irq_status); + omap_mcpdm_reset_capture(1); + omap_mcpdm_capture_open(mcpdm_irq->uplink); + omap_mcpdm_reset_capture(0); + } + + if (irq & MCPDM_UP_IRQ) { + dev_dbg(mcpdm_irq->dev, "UP write request\n"); + } + + return IRQ_HANDLED; +} + +int omap_mcpdm_request(void) +{ + int ret; + + clk_enable(mcpdm->clk); + + spin_lock(&mcpdm->lock); + + if (!mcpdm->free) { + dev_err(mcpdm->dev, "McPDM interface is in use\n"); + spin_unlock(&mcpdm->lock); + ret = -EBUSY; + goto err; + } + mcpdm->free = 0; + + spin_unlock(&mcpdm->lock); + + /* Disable lines while request is ongoing */ + omap_mcpdm_write(MCPDM_CTRL, 0x00); + + ret = request_irq(mcpdm->irq, omap_mcpdm_irq_handler, + 0, "McPDM", (void *)mcpdm); + if (ret) { + dev_err(mcpdm->dev, "Request for McPDM IRQ failed\n"); + goto err; + } + + return 0; + +err: + clk_disable(mcpdm->clk); + return ret; +} + +void omap_mcpdm_free(void) +{ + spin_lock(&mcpdm->lock); + if (mcpdm->free) { + dev_err(mcpdm->dev, "McPDM interface is already free\n"); + spin_unlock(&mcpdm->lock); + return; + } + mcpdm->free = 1; + spin_unlock(&mcpdm->lock); + + clk_disable(mcpdm->clk); + + free_irq(mcpdm->irq, (void *)mcpdm); +} + +/* Enable/disable DC offset cancelation for the analog + * headset path (PDM channels 1 and 2). + */ +int omap_mcpdm_set_offset(int offset1, int offset2) +{ + int offset; + + if ((offset1 > DN_OFST_MAX) || (offset2 > DN_OFST_MAX)) + return -EINVAL; + + offset = (offset1 << DN_OFST_RX1) | (offset2 << DN_OFST_RX2); + + /* offset cancellation for channel 1 */ + if (offset1) + offset |= DN_OFST_RX1_EN; + else + offset &= ~DN_OFST_RX1_EN; + + /* offset cancellation for channel 2 */ + if (offset2) + offset |= DN_OFST_RX2_EN; + else + offset &= ~DN_OFST_RX2_EN; + + omap_mcpdm_write(MCPDM_DN_OFFSET, offset); + + return 0; +} + +int __devinit omap_mcpdm_probe(struct platform_device *pdev) +{ + struct resource *res; + int ret = 0; + + mcpdm = kzalloc(sizeof(struct omap_mcpdm), GFP_KERNEL); + if (!mcpdm) { + ret = -ENOMEM; + goto exit; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res == NULL) { + dev_err(&pdev->dev, "no resource\n"); + goto err_resource; + } + + spin_lock_init(&mcpdm->lock); + mcpdm->free = 1; + mcpdm->io_base = ioremap(res->start, resource_size(res)); + if (!mcpdm->io_base) { + ret = -ENOMEM; + goto err_resource; + } + + mcpdm->irq = platform_get_irq(pdev, 0); + + mcpdm->clk = clk_get(&pdev->dev, "pdm_ck"); + if (IS_ERR(mcpdm->clk)) { + ret = PTR_ERR(mcpdm->clk); + dev_err(&pdev->dev, "unable to get pdm_ck: %d\n", ret); + goto err_clk; + } + + mcpdm->dev = &pdev->dev; + platform_set_drvdata(pdev, mcpdm); + + return 0; + +err_clk: + iounmap(mcpdm->io_base); +err_resource: + kfree(mcpdm); +exit: + return ret; +} + +int __devexit omap_mcpdm_remove(struct platform_device *pdev) +{ + struct omap_mcpdm *mcpdm_ptr = platform_get_drvdata(pdev); + + platform_set_drvdata(pdev, NULL); + + clk_put(mcpdm_ptr->clk); + + iounmap(mcpdm_ptr->io_base); + + mcpdm_ptr->clk = NULL; + mcpdm_ptr->free = 0; + mcpdm_ptr->dev = NULL; + + kfree(mcpdm_ptr); + + return 0; +} + diff --git a/sound/soc/omap/mcpdm.h b/sound/soc/omap/mcpdm.h new file mode 100644 index 00000000..df3e16fb --- /dev/null +++ b/sound/soc/omap/mcpdm.h @@ -0,0 +1,153 @@ +/* + * mcpdm.h -- Defines for McPDM driver + * + * Author: Jorge Eduardo Candelaria <x0107209@ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +/* McPDM registers */ + +#define MCPDM_REVISION 0x00 +#define MCPDM_SYSCONFIG 0x10 +#define MCPDM_IRQSTATUS_RAW 0x24 +#define MCPDM_IRQSTATUS 0x28 +#define MCPDM_IRQENABLE_SET 0x2C +#define MCPDM_IRQENABLE_CLR 0x30 +#define MCPDM_IRQWAKE_EN 0x34 +#define MCPDM_DMAENABLE_SET 0x38 +#define MCPDM_DMAENABLE_CLR 0x3C +#define MCPDM_DMAWAKEEN 0x40 +#define MCPDM_CTRL 0x44 +#define MCPDM_DN_DATA 0x48 +#define MCPDM_UP_DATA 0x4C +#define MCPDM_FIFO_CTRL_DN 0x50 +#define MCPDM_FIFO_CTRL_UP 0x54 +#define MCPDM_DN_OFFSET 0x58 + +/* + * MCPDM_IRQ bit fields + * IRQSTATUS_RAW, IRQSTATUS, IRQENABLE_SET, IRQENABLE_CLR + */ + +#define MCPDM_DN_IRQ (1 << 0) +#define MCPDM_DN_IRQ_EMPTY (1 << 1) +#define MCPDM_DN_IRQ_ALMST_EMPTY (1 << 2) +#define MCPDM_DN_IRQ_FULL (1 << 3) + +#define MCPDM_UP_IRQ (1 << 8) +#define MCPDM_UP_IRQ_EMPTY (1 << 9) +#define MCPDM_UP_IRQ_ALMST_FULL (1 << 10) +#define MCPDM_UP_IRQ_FULL (1 << 11) + +#define MCPDM_DOWNLINK_IRQ_MASK 0x00F +#define MCPDM_UPLINK_IRQ_MASK 0xF00 + +/* + * MCPDM_DMAENABLE bit fields + */ + +#define DMA_DN_ENABLE 0x1 +#define DMA_UP_ENABLE 0x2 + +/* + * MCPDM_CTRL bit fields + */ + +#define PDM_UP1_EN 0x0001 +#define PDM_UP2_EN 0x0002 +#define PDM_UP3_EN 0x0004 +#define PDM_DN1_EN 0x0008 +#define PDM_DN2_EN 0x0010 +#define PDM_DN3_EN 0x0020 +#define PDM_DN4_EN 0x0040 +#define PDM_DN5_EN 0x0080 +#define PDMOUTFORMAT 0x0100 +#define CMD_INT 0x0200 +#define STATUS_INT 0x0400 +#define SW_UP_RST 0x0800 +#define SW_DN_RST 0x1000 +#define PDM_UP_MASK 0x007 +#define PDM_DN_MASK 0x0F8 +#define PDM_CMD_MASK 0x200 +#define PDM_STATUS_MASK 0x400 + + +#define PDMOUTFORMAT_LJUST (0 << 8) +#define PDMOUTFORMAT_RJUST (1 << 8) + +/* + * MCPDM_FIFO_CTRL bit fields + */ + +#define UP_THRES_MAX 0xF +#define DN_THRES_MAX 0xF + +/* + * MCPDM_DN_OFFSET bit fields + */ + +#define DN_OFST_RX1_EN 0x0001 +#define DN_OFST_RX2_EN 0x0100 + +#define DN_OFST_RX1 1 +#define DN_OFST_RX2 9 +#define DN_OFST_MAX 0x1F + +#define MCPDM_UPLINK 1 +#define MCPDM_DOWNLINK 2 + +struct omap_mcpdm_link { + int irq_mask; + int threshold; + int format; + int channels; +}; + +struct omap_mcpdm_platform_data { + unsigned long phys_base; + u16 irq; +}; + +struct omap_mcpdm { + struct device *dev; + unsigned long phys_base; + void __iomem *io_base; + u8 free; + int irq; + + spinlock_t lock; + struct omap_mcpdm_platform_data *pdata; + struct clk *clk; + struct omap_mcpdm_link *downlink; + struct omap_mcpdm_link *uplink; + struct completion irq_completion; + + int dn_channels; + int up_channels; +}; + +extern void omap_mcpdm_start(int stream); +extern void omap_mcpdm_stop(int stream); +extern int omap_mcpdm_capture_open(struct omap_mcpdm_link *uplink); +extern int omap_mcpdm_playback_open(struct omap_mcpdm_link *downlink); +extern int omap_mcpdm_capture_close(struct omap_mcpdm_link *uplink); +extern int omap_mcpdm_playback_close(struct omap_mcpdm_link *downlink); +extern int omap_mcpdm_request(void); +extern void omap_mcpdm_free(void); +extern int omap_mcpdm_set_offset(int offset1, int offset2); +int __devinit omap_mcpdm_probe(struct platform_device *pdev); +int __devexit omap_mcpdm_remove(struct platform_device *pdev); diff --git a/sound/soc/omap/n810.c b/sound/soc/omap/n810.c new file mode 100644 index 00000000..83d213bf --- /dev/null +++ b/sound/soc/omap/n810.c @@ -0,0 +1,407 @@ +/* + * n810.c -- SoC audio for Nokia N810 + * + * Copyright (C) 2008 Nokia Corporation + * + * Contact: Jarkko Nikula <jhnikula@gmail.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/clk.h> +#include <linux/i2c.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <mach/hardware.h> +#include <linux/gpio.h> +#include <plat/mcbsp.h> + +#include "omap-mcbsp.h" +#include "omap-pcm.h" + +#define N810_HEADSET_AMP_GPIO 10 +#define N810_SPEAKER_AMP_GPIO 101 + +enum { + N810_JACK_DISABLED, + N810_JACK_HP, + N810_JACK_HS, + N810_JACK_MIC, +}; + +static struct clk *sys_clkout2; +static struct clk *sys_clkout2_src; +static struct clk *func96m_clk; + +static int n810_spk_func; +static int n810_jack_func; +static int n810_dmic_func; + +static void n810_ext_control(struct snd_soc_codec *codec) +{ + struct snd_soc_dapm_context *dapm = &codec->dapm; + int hp = 0, line1l = 0; + + switch (n810_jack_func) { + case N810_JACK_HS: + line1l = 1; + case N810_JACK_HP: + hp = 1; + break; + case N810_JACK_MIC: + line1l = 1; + break; + } + + if (n810_spk_func) + snd_soc_dapm_enable_pin(dapm, "Ext Spk"); + else + snd_soc_dapm_disable_pin(dapm, "Ext Spk"); + + if (hp) + snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); + else + snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); + if (line1l) + snd_soc_dapm_enable_pin(dapm, "LINE1L"); + else + snd_soc_dapm_disable_pin(dapm, "LINE1L"); + + if (n810_dmic_func) + snd_soc_dapm_enable_pin(dapm, "DMic"); + else + snd_soc_dapm_disable_pin(dapm, "DMic"); + + snd_soc_dapm_sync(dapm); +} + +static int n810_startup(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_codec *codec = rtd->codec; + + snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2); + + n810_ext_control(codec); + return clk_enable(sys_clkout2); +} + +static void n810_shutdown(struct snd_pcm_substream *substream) +{ + clk_disable(sys_clkout2); +} + +static int n810_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + int err; + + /* Set codec DAI configuration */ + err = snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (err < 0) + return err; + + /* Set cpu DAI configuration */ + err = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (err < 0) + return err; + + /* Set the codec system clock for DAC and ADC */ + err = snd_soc_dai_set_sysclk(codec_dai, 0, 12000000, + SND_SOC_CLOCK_IN); + + return err; +} + +static struct snd_soc_ops n810_ops = { + .startup = n810_startup, + .hw_params = n810_hw_params, + .shutdown = n810_shutdown, +}; + +static int n810_get_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = n810_spk_func; + + return 0; +} + +static int n810_set_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + + if (n810_spk_func == ucontrol->value.integer.value[0]) + return 0; + + n810_spk_func = ucontrol->value.integer.value[0]; + n810_ext_control(codec); + + return 1; +} + +static int n810_get_jack(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = n810_jack_func; + + return 0; +} + +static int n810_set_jack(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + + if (n810_jack_func == ucontrol->value.integer.value[0]) + return 0; + + n810_jack_func = ucontrol->value.integer.value[0]; + n810_ext_control(codec); + + return 1; +} + +static int n810_get_input(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = n810_dmic_func; + + return 0; +} + +static int n810_set_input(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + + if (n810_dmic_func == ucontrol->value.integer.value[0]) + return 0; + + n810_dmic_func = ucontrol->value.integer.value[0]; + n810_ext_control(codec); + + return 1; +} + +static int n810_spk_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + if (SND_SOC_DAPM_EVENT_ON(event)) + gpio_set_value(N810_SPEAKER_AMP_GPIO, 1); + else + gpio_set_value(N810_SPEAKER_AMP_GPIO, 0); + + return 0; +} + +static int n810_jack_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + if (SND_SOC_DAPM_EVENT_ON(event)) + gpio_set_value(N810_HEADSET_AMP_GPIO, 1); + else + gpio_set_value(N810_HEADSET_AMP_GPIO, 0); + + return 0; +} + +static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = { + SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event), + SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event), + SND_SOC_DAPM_MIC("DMic", NULL), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + {"Headphone Jack", NULL, "HPLOUT"}, + {"Headphone Jack", NULL, "HPROUT"}, + + {"Ext Spk", NULL, "LLOUT"}, + {"Ext Spk", NULL, "RLOUT"}, + + {"DMic Rate 64", NULL, "Mic Bias 2V"}, + {"Mic Bias 2V", NULL, "DMic"}, +}; + +static const char *spk_function[] = {"Off", "On"}; +static const char *jack_function[] = {"Off", "Headphone", "Headset", "Mic"}; +static const char *input_function[] = {"ADC", "Digital Mic"}; +static const struct soc_enum n810_enum[] = { + SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function), + SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function), + SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function), +}; + +static const struct snd_kcontrol_new aic33_n810_controls[] = { + SOC_ENUM_EXT("Speaker Function", n810_enum[0], + n810_get_spk, n810_set_spk), + SOC_ENUM_EXT("Jack Function", n810_enum[1], + n810_get_jack, n810_set_jack), + SOC_ENUM_EXT("Input Select", n810_enum[2], + n810_get_input, n810_set_input), +}; + +static int n810_aic33_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + int err; + + /* Not connected */ + snd_soc_dapm_nc_pin(dapm, "MONO_LOUT"); + snd_soc_dapm_nc_pin(dapm, "HPLCOM"); + snd_soc_dapm_nc_pin(dapm, "HPRCOM"); + snd_soc_dapm_nc_pin(dapm, "MIC3L"); + snd_soc_dapm_nc_pin(dapm, "MIC3R"); + snd_soc_dapm_nc_pin(dapm, "LINE1R"); + snd_soc_dapm_nc_pin(dapm, "LINE2L"); + snd_soc_dapm_nc_pin(dapm, "LINE2R"); + + /* Add N810 specific controls */ + err = snd_soc_add_controls(codec, aic33_n810_controls, + ARRAY_SIZE(aic33_n810_controls)); + if (err < 0) + return err; + + /* Add N810 specific widgets */ + snd_soc_dapm_new_controls(dapm, aic33_dapm_widgets, + ARRAY_SIZE(aic33_dapm_widgets)); + + /* Set up N810 specific audio path audio_map */ + snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); + + snd_soc_dapm_sync(dapm); + + return 0; +} + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link n810_dai = { + .name = "TLV320AIC33", + .stream_name = "AIC33", + .cpu_dai_name = "omap-mcbsp-dai.1", + .platform_name = "omap-pcm-audio", + .codec_name = "tlv320aic3x-codec.2-0018", + .codec_dai_name = "tlv320aic3x-hifi", + .init = n810_aic33_init, + .ops = &n810_ops, +}; + +/* Audio machine driver */ +static struct snd_soc_card snd_soc_n810 = { + .name = "N810", + .dai_link = &n810_dai, + .num_links = 1, +}; + +static struct platform_device *n810_snd_device; + +static int __init n810_soc_init(void) +{ + int err; + struct device *dev; + + if (!(machine_is_nokia_n810() || machine_is_nokia_n810_wimax())) + return -ENODEV; + + n810_snd_device = platform_device_alloc("soc-audio", -1); + if (!n810_snd_device) + return -ENOMEM; + + platform_set_drvdata(n810_snd_device, &snd_soc_n810); + err = platform_device_add(n810_snd_device); + if (err) + goto err1; + + dev = &n810_snd_device->dev; + + sys_clkout2_src = clk_get(dev, "sys_clkout2_src"); + if (IS_ERR(sys_clkout2_src)) { + dev_err(dev, "Could not get sys_clkout2_src clock\n"); + err = PTR_ERR(sys_clkout2_src); + goto err2; + } + sys_clkout2 = clk_get(dev, "sys_clkout2"); + if (IS_ERR(sys_clkout2)) { + dev_err(dev, "Could not get sys_clkout2\n"); + err = PTR_ERR(sys_clkout2); + goto err3; + } + /* + * Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use + * 96 MHz as its parent in order to get 12 MHz + */ + func96m_clk = clk_get(dev, "func_96m_ck"); + if (IS_ERR(func96m_clk)) { + dev_err(dev, "Could not get func 96M clock\n"); + err = PTR_ERR(func96m_clk); + goto err4; + } + clk_set_parent(sys_clkout2_src, func96m_clk); + clk_set_rate(sys_clkout2, 12000000); + + BUG_ON((gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0) || + (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0)); + + gpio_direction_output(N810_HEADSET_AMP_GPIO, 0); + gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0); + + return 0; +err4: + clk_put(sys_clkout2); +err3: + clk_put(sys_clkout2_src); +err2: + platform_device_del(n810_snd_device); +err1: + platform_device_put(n810_snd_device); + + return err; +} + +static void __exit n810_soc_exit(void) +{ + gpio_free(N810_SPEAKER_AMP_GPIO); + gpio_free(N810_HEADSET_AMP_GPIO); + clk_put(sys_clkout2_src); + clk_put(sys_clkout2); + clk_put(func96m_clk); + + platform_device_unregister(n810_snd_device); +} + +module_init(n810_soc_init); +module_exit(n810_soc_exit); + +MODULE_AUTHOR("Jarkko Nikula <jhnikula@gmail.com>"); +MODULE_DESCRIPTION("ALSA SoC Nokia N810"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c new file mode 100644 index 00000000..4b82290c --- /dev/null +++ b/sound/soc/omap/omap-mcbsp.c @@ -0,0 +1,791 @@ +/* + * omap-mcbsp.c -- OMAP ALSA SoC DAI driver using McBSP port + * + * Copyright (C) 2008 Nokia Corporation + * + * Contact: Jarkko Nikula <jhnikula@gmail.com> + * Peter Ujfalusi <peter.ujfalusi@ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/initval.h> +#include <sound/soc.h> + +#include <plat/dma.h> +#include <plat/mcbsp.h> +#include "omap-mcbsp.h" +#include "omap-pcm.h" + +#define OMAP_MCBSP_RATES (SNDRV_PCM_RATE_8000_96000) + +#define OMAP_MCBSP_SOC_SINGLE_S16_EXT(xname, xmin, xmax, \ + xhandler_get, xhandler_put) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = omap_mcbsp_st_info_volsw, \ + .get = xhandler_get, .put = xhandler_put, \ + .private_value = (unsigned long) &(struct soc_mixer_control) \ + {.min = xmin, .max = xmax} } + +struct omap_mcbsp_data { + unsigned int bus_id; + struct omap_mcbsp_reg_cfg regs; + unsigned int fmt; + /* + * Flags indicating is the bus already activated and configured by + * another substream + */ + int active; + int configured; + unsigned int in_freq; + int clk_div; + int wlen; +}; + +static struct omap_mcbsp_data mcbsp_data[NUM_LINKS]; + +/* + * Stream DMA parameters. DMA request line and port address are set runtime + * since they are different between OMAP1 and later OMAPs + */ +static struct omap_pcm_dma_data omap_mcbsp_dai_dma_params[NUM_LINKS][2]; + +static void omap_mcbsp_set_threshold(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); + struct omap_pcm_dma_data *dma_data; + int dma_op_mode = omap_mcbsp_get_dma_op_mode(mcbsp_data->bus_id); + int words; + + dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); + + /* TODO: Currently, MODE_ELEMENT == MODE_FRAME */ + if (dma_op_mode == MCBSP_DMA_MODE_THRESHOLD) + /* + * Configure McBSP threshold based on either: + * packet_size, when the sDMA is in packet mode, or + * based on the period size. + */ + if (dma_data->packet_size) + words = dma_data->packet_size; + else + words = snd_pcm_lib_period_bytes(substream) / + (mcbsp_data->wlen / 8); + else + words = 1; + + /* Configure McBSP internal buffer usage */ + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + omap_mcbsp_set_tx_threshold(mcbsp_data->bus_id, words); + else + omap_mcbsp_set_rx_threshold(mcbsp_data->bus_id, words); +} + +static int omap_mcbsp_hwrule_min_buffersize(struct snd_pcm_hw_params *params, + struct snd_pcm_hw_rule *rule) +{ + struct snd_interval *buffer_size = hw_param_interval(params, + SNDRV_PCM_HW_PARAM_BUFFER_SIZE); + struct snd_interval *channels = hw_param_interval(params, + SNDRV_PCM_HW_PARAM_CHANNELS); + struct omap_mcbsp_data *mcbsp_data = rule->private; + struct snd_interval frames; + int size; + + snd_interval_any(&frames); + size = omap_mcbsp_get_fifo_size(mcbsp_data->bus_id); + + frames.min = size / channels->min; + frames.integer = 1; + return snd_interval_refine(buffer_size, &frames); +} + +static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *cpu_dai) +{ + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); + int bus_id = mcbsp_data->bus_id; + int err = 0; + + if (!cpu_dai->active) + err = omap_mcbsp_request(bus_id); + + /* + * OMAP3 McBSP FIFO is word structured. + * McBSP2 has 1024 + 256 = 1280 word long buffer, + * McBSP1,3,4,5 has 128 word long buffer + * This means that the size of the FIFO depends on the sample format. + * For example on McBSP3: + * 16bit samples: size is 128 * 2 = 256 bytes + * 32bit samples: size is 128 * 4 = 512 bytes + * It is simpler to place constraint for buffer and period based on + * channels. + * McBSP3 as example again (16 or 32 bit samples): + * 1 channel (mono): size is 128 frames (128 words) + * 2 channels (stereo): size is 128 / 2 = 64 frames (2 * 64 words) + * 4 channels: size is 128 / 4 = 32 frames (4 * 32 words) + */ + if (cpu_is_omap34xx() || cpu_is_omap44xx()) { + /* + * Rule for the buffer size. We should not allow + * smaller buffer than the FIFO size to avoid underruns + */ + snd_pcm_hw_rule_add(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, + omap_mcbsp_hwrule_min_buffersize, + mcbsp_data, + SNDRV_PCM_HW_PARAM_BUFFER_SIZE, -1); + + /* Make sure, that the period size is always even */ + snd_pcm_hw_constraint_step(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 2); + } + + return err; +} + +static void omap_mcbsp_dai_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *cpu_dai) +{ + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); + + if (!cpu_dai->active) { + omap_mcbsp_free(mcbsp_data->bus_id); + mcbsp_data->configured = 0; + } +} + +static int omap_mcbsp_dai_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *cpu_dai) +{ + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); + int err = 0, play = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK); + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + mcbsp_data->active++; + omap_mcbsp_start(mcbsp_data->bus_id, play, !play); + break; + + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + omap_mcbsp_stop(mcbsp_data->bus_id, play, !play); + mcbsp_data->active--; + break; + default: + err = -EINVAL; + } + + return err; +} + +static snd_pcm_sframes_t omap_mcbsp_dai_delay( + struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); + u16 fifo_use; + snd_pcm_sframes_t delay; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + fifo_use = omap_mcbsp_get_tx_delay(mcbsp_data->bus_id); + else + fifo_use = omap_mcbsp_get_rx_delay(mcbsp_data->bus_id); + + /* + * Divide the used locations with the channel count to get the + * FIFO usage in samples (don't care about partial samples in the + * buffer). + */ + delay = fifo_use / substream->runtime->channels; + + return delay; +} + +static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *cpu_dai) +{ + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); + struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs; + struct omap_pcm_dma_data *dma_data; + int dma, bus_id = mcbsp_data->bus_id; + int wlen, channels, wpf, sync_mode = OMAP_DMA_SYNC_ELEMENT; + int pkt_size = 0; + unsigned long port; + unsigned int format, div, framesize, master; + + dma_data = &omap_mcbsp_dai_dma_params[cpu_dai->id][substream->stream]; + + dma = omap_mcbsp_dma_ch_params(bus_id, substream->stream); + port = omap_mcbsp_dma_reg_params(bus_id, substream->stream); + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + dma_data->data_type = OMAP_DMA_DATA_TYPE_S16; + wlen = 16; + break; + case SNDRV_PCM_FORMAT_S32_LE: + dma_data->data_type = OMAP_DMA_DATA_TYPE_S32; + wlen = 32; + break; + default: + return -EINVAL; + } + if (cpu_is_omap34xx()) { + dma_data->set_threshold = omap_mcbsp_set_threshold; + /* TODO: Currently, MODE_ELEMENT == MODE_FRAME */ + if (omap_mcbsp_get_dma_op_mode(bus_id) == + MCBSP_DMA_MODE_THRESHOLD) { + int period_words, max_thrsh; + + period_words = params_period_bytes(params) / (wlen / 8); + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + max_thrsh = omap_mcbsp_get_max_tx_threshold( + mcbsp_data->bus_id); + else + max_thrsh = omap_mcbsp_get_max_rx_threshold( + mcbsp_data->bus_id); + /* + * If the period contains less or equal number of words, + * we are using the original threshold mode setup: + * McBSP threshold = sDMA frame size = period_size + * Otherwise we switch to sDMA packet mode: + * McBSP threshold = sDMA packet size + * sDMA frame size = period size + */ + if (period_words > max_thrsh) { + int divider = 0; + + /* + * Look for the biggest threshold value, which + * divides the period size evenly. + */ + divider = period_words / max_thrsh; + if (period_words % max_thrsh) + divider++; + while (period_words % divider && + divider < period_words) + divider++; + if (divider == period_words) + return -EINVAL; + + pkt_size = period_words / divider; + sync_mode = OMAP_DMA_SYNC_PACKET; + } else { + sync_mode = OMAP_DMA_SYNC_FRAME; + } + } + } + + dma_data->name = substream->stream ? "Audio Capture" : "Audio Playback"; + dma_data->dma_req = dma; + dma_data->port_addr = port; + dma_data->sync_mode = sync_mode; + dma_data->packet_size = pkt_size; + + snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data); + + if (mcbsp_data->configured) { + /* McBSP already configured by another stream */ + return 0; + } + + format = mcbsp_data->fmt & SND_SOC_DAIFMT_FORMAT_MASK; + wpf = channels = params_channels(params); + if (channels == 2 && (format == SND_SOC_DAIFMT_I2S || + format == SND_SOC_DAIFMT_LEFT_J)) { + /* Use dual-phase frames */ + regs->rcr2 |= RPHASE; + regs->xcr2 |= XPHASE; + /* Set 1 word per (McBSP) frame for phase1 and phase2 */ + wpf--; + regs->rcr2 |= RFRLEN2(wpf - 1); + regs->xcr2 |= XFRLEN2(wpf - 1); + } + + regs->rcr1 |= RFRLEN1(wpf - 1); + regs->xcr1 |= XFRLEN1(wpf - 1); + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + /* Set word lengths */ + regs->rcr2 |= RWDLEN2(OMAP_MCBSP_WORD_16); + regs->rcr1 |= RWDLEN1(OMAP_MCBSP_WORD_16); + regs->xcr2 |= XWDLEN2(OMAP_MCBSP_WORD_16); + regs->xcr1 |= XWDLEN1(OMAP_MCBSP_WORD_16); + break; + case SNDRV_PCM_FORMAT_S32_LE: + /* Set word lengths */ + regs->rcr2 |= RWDLEN2(OMAP_MCBSP_WORD_32); + regs->rcr1 |= RWDLEN1(OMAP_MCBSP_WORD_32); + regs->xcr2 |= XWDLEN2(OMAP_MCBSP_WORD_32); + regs->xcr1 |= XWDLEN1(OMAP_MCBSP_WORD_32); + break; + default: + /* Unsupported PCM format */ + return -EINVAL; + } + + /* In McBSP master modes, FRAME (i.e. sample rate) is generated + * by _counting_ BCLKs. Calculate frame size in BCLKs */ + master = mcbsp_data->fmt & SND_SOC_DAIFMT_MASTER_MASK; + if (master == SND_SOC_DAIFMT_CBS_CFS) { + div = mcbsp_data->clk_div ? mcbsp_data->clk_div : 1; + framesize = (mcbsp_data->in_freq / div) / params_rate(params); + + if (framesize < wlen * channels) { + printk(KERN_ERR "%s: not enough bandwidth for desired rate and " + "channels\n", __func__); + return -EINVAL; + } + } else + framesize = wlen * channels; + + /* Set FS period and length in terms of bit clock periods */ + switch (format) { + case SND_SOC_DAIFMT_I2S: + case SND_SOC_DAIFMT_LEFT_J: + regs->srgr2 |= FPER(framesize - 1); + regs->srgr1 |= FWID((framesize >> 1) - 1); + break; + case SND_SOC_DAIFMT_DSP_A: + case SND_SOC_DAIFMT_DSP_B: + regs->srgr2 |= FPER(framesize - 1); + regs->srgr1 |= FWID(0); + break; + } + + omap_mcbsp_config(bus_id, &mcbsp_data->regs); + mcbsp_data->wlen = wlen; + mcbsp_data->configured = 1; + + return 0; +} + +/* + * This must be called before _set_clkdiv and _set_sysclk since McBSP register + * cache is initialized here + */ +static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai, + unsigned int fmt) +{ + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); + struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs; + unsigned int temp_fmt = fmt; + + if (mcbsp_data->configured) + return 0; + + mcbsp_data->fmt = fmt; + memset(regs, 0, sizeof(*regs)); + /* Generic McBSP register settings */ + regs->spcr2 |= XINTM(3) | FREE; + regs->spcr1 |= RINTM(3); + /* RFIG and XFIG are not defined in 34xx */ + if (!cpu_is_omap34xx() && !cpu_is_omap44xx()) { + regs->rcr2 |= RFIG; + regs->xcr2 |= XFIG; + } + if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx()) { + regs->xccr = DXENDLY(1) | XDMAEN | XDISABLE; + regs->rccr = RFULL_CYCLE | RDMAEN | RDISABLE; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + /* 1-bit data delay */ + regs->rcr2 |= RDATDLY(1); + regs->xcr2 |= XDATDLY(1); + break; + case SND_SOC_DAIFMT_LEFT_J: + /* 0-bit data delay */ + regs->rcr2 |= RDATDLY(0); + regs->xcr2 |= XDATDLY(0); + regs->spcr1 |= RJUST(2); + /* Invert FS polarity configuration */ + temp_fmt ^= SND_SOC_DAIFMT_NB_IF; + break; + case SND_SOC_DAIFMT_DSP_A: + /* 1-bit data delay */ + regs->rcr2 |= RDATDLY(1); + regs->xcr2 |= XDATDLY(1); + /* Invert FS polarity configuration */ + temp_fmt ^= SND_SOC_DAIFMT_NB_IF; + break; + case SND_SOC_DAIFMT_DSP_B: + /* 0-bit data delay */ + regs->rcr2 |= RDATDLY(0); + regs->xcr2 |= XDATDLY(0); + /* Invert FS polarity configuration */ + temp_fmt ^= SND_SOC_DAIFMT_NB_IF; + break; + default: + /* Unsupported data format */ + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + /* McBSP master. Set FS and bit clocks as outputs */ + regs->pcr0 |= FSXM | FSRM | + CLKXM | CLKRM; + /* Sample rate generator drives the FS */ + regs->srgr2 |= FSGM; + break; + case SND_SOC_DAIFMT_CBM_CFM: + /* McBSP slave */ + break; + default: + /* Unsupported master/slave configuration */ + return -EINVAL; + } + + /* Set bit clock (CLKX/CLKR) and FS polarities */ + switch (temp_fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + /* + * Normal BCLK + FS. + * FS active low. TX data driven on falling edge of bit clock + * and RX data sampled on rising edge of bit clock. + */ + regs->pcr0 |= FSXP | FSRP | + CLKXP | CLKRP; + break; + case SND_SOC_DAIFMT_NB_IF: + regs->pcr0 |= CLKXP | CLKRP; + break; + case SND_SOC_DAIFMT_IB_NF: + regs->pcr0 |= FSXP | FSRP; + break; + case SND_SOC_DAIFMT_IB_IF: + break; + default: + return -EINVAL; + } + + return 0; +} + +static int omap_mcbsp_dai_set_clkdiv(struct snd_soc_dai *cpu_dai, + int div_id, int div) +{ + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); + struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs; + + if (div_id != OMAP_MCBSP_CLKGDV) + return -ENODEV; + + mcbsp_data->clk_div = div; + regs->srgr1 |= CLKGDV(div - 1); + + return 0; +} + +static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, + int clk_id, unsigned int freq, + int dir) +{ + struct omap_mcbsp_data *mcbsp_data = snd_soc_dai_get_drvdata(cpu_dai); + struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs; + int err = 0; + + if (mcbsp_data->active) + if (freq == mcbsp_data->in_freq) + return 0; + else + return -EBUSY; + + /* The McBSP signal muxing functions are only available on McBSP1 */ + if (clk_id == OMAP_MCBSP_CLKR_SRC_CLKR || + clk_id == OMAP_MCBSP_CLKR_SRC_CLKX || + clk_id == OMAP_MCBSP_FSR_SRC_FSR || + clk_id == OMAP_MCBSP_FSR_SRC_FSX) + if (cpu_class_is_omap1() || mcbsp_data->bus_id != 0) + return -EINVAL; + + mcbsp_data->in_freq = freq; + + switch (clk_id) { + case OMAP_MCBSP_SYSCLK_CLK: + regs->srgr2 |= CLKSM; + break; + case OMAP_MCBSP_SYSCLK_CLKS_FCLK: + if (cpu_class_is_omap1()) { + err = -EINVAL; + break; + } + err = omap2_mcbsp_set_clks_src(mcbsp_data->bus_id, + MCBSP_CLKS_PRCM_SRC); + break; + case OMAP_MCBSP_SYSCLK_CLKS_EXT: + if (cpu_class_is_omap1()) { + err = 0; + break; + } + err = omap2_mcbsp_set_clks_src(mcbsp_data->bus_id, + MCBSP_CLKS_PAD_SRC); + break; + + case OMAP_MCBSP_SYSCLK_CLKX_EXT: + regs->srgr2 |= CLKSM; + case OMAP_MCBSP_SYSCLK_CLKR_EXT: + regs->pcr0 |= SCLKME; + break; + + + case OMAP_MCBSP_CLKR_SRC_CLKR: + if (cpu_class_is_omap1()) + break; + omap2_mcbsp1_mux_clkr_src(CLKR_SRC_CLKR); + break; + case OMAP_MCBSP_CLKR_SRC_CLKX: + if (cpu_class_is_omap1()) + break; + omap2_mcbsp1_mux_clkr_src(CLKR_SRC_CLKX); + break; + case OMAP_MCBSP_FSR_SRC_FSR: + if (cpu_class_is_omap1()) + break; + omap2_mcbsp1_mux_fsr_src(FSR_SRC_FSR); + break; + case OMAP_MCBSP_FSR_SRC_FSX: + if (cpu_class_is_omap1()) + break; + omap2_mcbsp1_mux_fsr_src(FSR_SRC_FSX); + break; + default: + err = -ENODEV; + } + + return err; +} + +static struct snd_soc_dai_ops mcbsp_dai_ops = { + .startup = omap_mcbsp_dai_startup, + .shutdown = omap_mcbsp_dai_shutdown, + .trigger = omap_mcbsp_dai_trigger, + .delay = omap_mcbsp_dai_delay, + .hw_params = omap_mcbsp_dai_hw_params, + .set_fmt = omap_mcbsp_dai_set_dai_fmt, + .set_clkdiv = omap_mcbsp_dai_set_clkdiv, + .set_sysclk = omap_mcbsp_dai_set_dai_sysclk, +}; + +static int mcbsp_dai_probe(struct snd_soc_dai *dai) +{ + mcbsp_data[dai->id].bus_id = dai->id; + snd_soc_dai_set_drvdata(dai, &mcbsp_data[dai->id].bus_id); + return 0; +} + +static struct snd_soc_dai_driver omap_mcbsp_dai = +{ + .probe = mcbsp_dai_probe, + .playback = { + .channels_min = 1, + .channels_max = 16, + .rates = OMAP_MCBSP_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, + }, + .capture = { + .channels_min = 1, + .channels_max = 16, + .rates = OMAP_MCBSP_RATES, + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, + }, + .ops = &mcbsp_dai_ops, +}; + +static int omap_mcbsp_st_info_volsw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + int max = mc->max; + int min = mc->min; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = min; + uinfo->value.integer.max = max; + return 0; +} + +#define OMAP_MCBSP_ST_SET_CHANNEL_VOLUME(id, channel) \ +static int \ +omap_mcbsp##id##_set_st_ch##channel##_volume(struct snd_kcontrol *kc, \ + struct snd_ctl_elem_value *uc) \ +{ \ + struct soc_mixer_control *mc = \ + (struct soc_mixer_control *)kc->private_value; \ + int max = mc->max; \ + int min = mc->min; \ + int val = uc->value.integer.value[0]; \ + \ + if (val < min || val > max) \ + return -EINVAL; \ + \ + /* OMAP McBSP implementation uses index values 0..4 */ \ + return omap_st_set_chgain((id)-1, channel, val); \ +} + +#define OMAP_MCBSP_ST_GET_CHANNEL_VOLUME(id, channel) \ +static int \ +omap_mcbsp##id##_get_st_ch##channel##_volume(struct snd_kcontrol *kc, \ + struct snd_ctl_elem_value *uc) \ +{ \ + s16 chgain; \ + \ + if (omap_st_get_chgain((id)-1, channel, &chgain)) \ + return -EAGAIN; \ + \ + uc->value.integer.value[0] = chgain; \ + return 0; \ +} + +OMAP_MCBSP_ST_SET_CHANNEL_VOLUME(2, 0) +OMAP_MCBSP_ST_SET_CHANNEL_VOLUME(2, 1) +OMAP_MCBSP_ST_SET_CHANNEL_VOLUME(3, 0) +OMAP_MCBSP_ST_SET_CHANNEL_VOLUME(3, 1) +OMAP_MCBSP_ST_GET_CHANNEL_VOLUME(2, 0) +OMAP_MCBSP_ST_GET_CHANNEL_VOLUME(2, 1) +OMAP_MCBSP_ST_GET_CHANNEL_VOLUME(3, 0) +OMAP_MCBSP_ST_GET_CHANNEL_VOLUME(3, 1) + +static int omap_mcbsp_st_put_mode(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + u8 value = ucontrol->value.integer.value[0]; + + if (value == omap_st_is_enabled(mc->reg)) + return 0; + + if (value) + omap_st_enable(mc->reg); + else + omap_st_disable(mc->reg); + + return 1; +} + +static int omap_mcbsp_st_get_mode(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + + ucontrol->value.integer.value[0] = omap_st_is_enabled(mc->reg); + return 0; +} + +static const struct snd_kcontrol_new omap_mcbsp2_st_controls[] = { + SOC_SINGLE_EXT("McBSP2 Sidetone Switch", 1, 0, 1, 0, + omap_mcbsp_st_get_mode, omap_mcbsp_st_put_mode), + OMAP_MCBSP_SOC_SINGLE_S16_EXT("McBSP2 Sidetone Channel 0 Volume", + -32768, 32767, + omap_mcbsp2_get_st_ch0_volume, + omap_mcbsp2_set_st_ch0_volume), + OMAP_MCBSP_SOC_SINGLE_S16_EXT("McBSP2 Sidetone Channel 1 Volume", + -32768, 32767, + omap_mcbsp2_get_st_ch1_volume, + omap_mcbsp2_set_st_ch1_volume), +}; + +static const struct snd_kcontrol_new omap_mcbsp3_st_controls[] = { + SOC_SINGLE_EXT("McBSP3 Sidetone Switch", 2, 0, 1, 0, + omap_mcbsp_st_get_mode, omap_mcbsp_st_put_mode), + OMAP_MCBSP_SOC_SINGLE_S16_EXT("McBSP3 Sidetone Channel 0 Volume", + -32768, 32767, + omap_mcbsp3_get_st_ch0_volume, + omap_mcbsp3_set_st_ch0_volume), + OMAP_MCBSP_SOC_SINGLE_S16_EXT("McBSP3 Sidetone Channel 1 Volume", + -32768, 32767, + omap_mcbsp3_get_st_ch1_volume, + omap_mcbsp3_set_st_ch1_volume), +}; + +int omap_mcbsp_st_add_controls(struct snd_soc_codec *codec, int mcbsp_id) +{ + if (!cpu_is_omap34xx()) + return -ENODEV; + + switch (mcbsp_id) { + case 1: /* McBSP 2 */ + return snd_soc_add_controls(codec, omap_mcbsp2_st_controls, + ARRAY_SIZE(omap_mcbsp2_st_controls)); + case 2: /* McBSP 3 */ + return snd_soc_add_controls(codec, omap_mcbsp3_st_controls, + ARRAY_SIZE(omap_mcbsp3_st_controls)); + default: + break; + } + + return -EINVAL; +} +EXPORT_SYMBOL_GPL(omap_mcbsp_st_add_controls); + +static __devinit int asoc_mcbsp_probe(struct platform_device *pdev) +{ + return snd_soc_register_dai(&pdev->dev, &omap_mcbsp_dai); +} + +static int __devexit asoc_mcbsp_remove(struct platform_device *pdev) +{ + snd_soc_unregister_dai(&pdev->dev); + return 0; +} + +static struct platform_driver asoc_mcbsp_driver = { + .driver = { + .name = "omap-mcbsp-dai", + .owner = THIS_MODULE, + }, + + .probe = asoc_mcbsp_probe, + .remove = __devexit_p(asoc_mcbsp_remove), +}; + +static int __init snd_omap_mcbsp_init(void) +{ + return platform_driver_register(&asoc_mcbsp_driver); +} +module_init(snd_omap_mcbsp_init); + +static void __exit snd_omap_mcbsp_exit(void) +{ + platform_driver_unregister(&asoc_mcbsp_driver); +} +module_exit(snd_omap_mcbsp_exit); + +MODULE_AUTHOR("Jarkko Nikula <jhnikula@gmail.com>"); +MODULE_DESCRIPTION("OMAP I2S SoC Interface"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/omap/omap-mcbsp.h b/sound/soc/omap/omap-mcbsp.h new file mode 100644 index 00000000..9a7dedd6 --- /dev/null +++ b/sound/soc/omap/omap-mcbsp.h @@ -0,0 +1,64 @@ +/* + * omap-mcbsp.h + * + * Copyright (C) 2008 Nokia Corporation + * + * Contact: Jarkko Nikula <jhnikula@gmail.com> + * Peter Ujfalusi <peter.ujfalusi@ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __OMAP_I2S_H__ +#define __OMAP_I2S_H__ + +/* Source clocks for McBSP sample rate generator */ +enum omap_mcbsp_clksrg_clk { + OMAP_MCBSP_SYSCLK_CLKS_FCLK, /* Internal FCLK */ + OMAP_MCBSP_SYSCLK_CLKS_EXT, /* External CLKS pin */ + OMAP_MCBSP_SYSCLK_CLK, /* Internal ICLK */ + OMAP_MCBSP_SYSCLK_CLKX_EXT, /* External CLKX pin */ + OMAP_MCBSP_SYSCLK_CLKR_EXT, /* External CLKR pin */ + OMAP_MCBSP_CLKR_SRC_CLKR, /* CLKR from CLKR pin */ + OMAP_MCBSP_CLKR_SRC_CLKX, /* CLKR from CLKX pin */ + OMAP_MCBSP_FSR_SRC_FSR, /* FSR from FSR pin */ + OMAP_MCBSP_FSR_SRC_FSX, /* FSR from FSX pin */ +}; + +/* McBSP dividers */ +enum omap_mcbsp_div { + OMAP_MCBSP_CLKGDV, /* Sample rate generator divider */ +}; + +#if defined(CONFIG_SOC_OMAP2420) +#define NUM_LINKS 2 +#endif +#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX) +#undef NUM_LINKS +#define NUM_LINKS 3 +#endif +#if defined(CONFIG_ARCH_OMAP4) +#undef NUM_LINKS +#define NUM_LINKS 4 +#endif +#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_SOC_OMAP2430) +#undef NUM_LINKS +#define NUM_LINKS 5 +#endif + +int omap_mcbsp_st_add_controls(struct snd_soc_codec *codec, int mcbsp_id); + +#endif diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c new file mode 100644 index 00000000..bed09c27 --- /dev/null +++ b/sound/soc/omap/omap-mcpdm.c @@ -0,0 +1,272 @@ +/* + * omap-mcpdm.c -- OMAP ALSA SoC DAI driver using McPDM port + * + * Copyright (C) 2009 Texas Instruments + * + * Author: Misael Lopez Cruz <x0052729@ti.com> + * Contact: Jorge Eduardo Candelaria <x0107209@ti.com> + * Margarita Olaya <magi.olaya@ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/initval.h> +#include <sound/soc.h> + +#include <plat/dma.h> +#include <plat/mcbsp.h> +#include "mcpdm.h" +#include "omap-pcm.h" + +struct omap_mcpdm_data { + struct omap_mcpdm_link *links; + int active; +}; + +static struct omap_mcpdm_link omap_mcpdm_links[] = { + /* downlink */ + { + .irq_mask = MCPDM_DN_IRQ_EMPTY | MCPDM_DN_IRQ_FULL, + .threshold = 1, + .format = PDMOUTFORMAT_LJUST, + }, + /* uplink */ + { + .irq_mask = MCPDM_UP_IRQ_EMPTY | MCPDM_UP_IRQ_FULL, + .threshold = 1, + .format = PDMOUTFORMAT_LJUST, + }, +}; + +static struct omap_mcpdm_data mcpdm_data = { + .links = omap_mcpdm_links, + .active = 0, +}; + +/* + * Stream DMA parameters + */ +static struct omap_pcm_dma_data omap_mcpdm_dai_dma_params[] = { + { + .name = "Audio playback", + .dma_req = OMAP44XX_DMA_MCPDM_DL, + .data_type = OMAP_DMA_DATA_TYPE_S32, + .sync_mode = OMAP_DMA_SYNC_PACKET, + .packet_size = 16, + .port_addr = OMAP44XX_MCPDM_L3_BASE + MCPDM_DN_DATA, + }, + { + .name = "Audio capture", + .dma_req = OMAP44XX_DMA_MCPDM_UP, + .data_type = OMAP_DMA_DATA_TYPE_S32, + .sync_mode = OMAP_DMA_SYNC_PACKET, + .packet_size = 16, + .port_addr = OMAP44XX_MCPDM_L3_BASE + MCPDM_UP_DATA, + }, +}; + +static int omap_mcpdm_dai_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + int err = 0; + + if (!dai->active) + err = omap_mcpdm_request(); + + return err; +} + +static void omap_mcpdm_dai_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + if (!dai->active) + omap_mcpdm_free(); +} + +static int omap_mcpdm_dai_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai) +{ + struct omap_mcpdm_data *mcpdm_priv = snd_soc_dai_get_drvdata(dai); + int stream = substream->stream; + int err = 0; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + if (!mcpdm_priv->active++) + omap_mcpdm_start(stream); + break; + + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + if (!--mcpdm_priv->active) + omap_mcpdm_stop(stream); + break; + default: + err = -EINVAL; + } + + return err; +} + +static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct omap_mcpdm_data *mcpdm_priv = snd_soc_dai_get_drvdata(dai); + struct omap_mcpdm_link *mcpdm_links = mcpdm_priv->links; + int stream = substream->stream; + int channels, err, link_mask = 0; + + snd_soc_dai_set_dma_data(dai, substream, + &omap_mcpdm_dai_dma_params[stream]); + + channels = params_channels(params); + switch (channels) { + case 4: + if (stream == SNDRV_PCM_STREAM_CAPTURE) + /* up to 2 channels for capture */ + return -EINVAL; + link_mask |= 1 << 3; + case 3: + if (stream == SNDRV_PCM_STREAM_CAPTURE) + /* up to 2 channels for capture */ + return -EINVAL; + link_mask |= 1 << 2; + case 2: + link_mask |= 1 << 1; + case 1: + link_mask |= 1 << 0; + break; + default: + /* unsupported number of channels */ + return -EINVAL; + } + + if (stream == SNDRV_PCM_STREAM_PLAYBACK) { + mcpdm_links[stream].channels = link_mask << 3; + err = omap_mcpdm_playback_open(&mcpdm_links[stream]); + } else { + mcpdm_links[stream].channels = link_mask << 0; + err = omap_mcpdm_capture_open(&mcpdm_links[stream]); + } + + return err; +} + +static int omap_mcpdm_dai_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct omap_mcpdm_data *mcpdm_priv = snd_soc_dai_get_drvdata(dai); + struct omap_mcpdm_link *mcpdm_links = mcpdm_priv->links; + int stream = substream->stream; + int err; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + err = omap_mcpdm_playback_close(&mcpdm_links[stream]); + else + err = omap_mcpdm_capture_close(&mcpdm_links[stream]); + + return err; +} + +static struct snd_soc_dai_ops omap_mcpdm_dai_ops = { + .startup = omap_mcpdm_dai_startup, + .shutdown = omap_mcpdm_dai_shutdown, + .trigger = omap_mcpdm_dai_trigger, + .hw_params = omap_mcpdm_dai_hw_params, + .hw_free = omap_mcpdm_dai_hw_free, +}; + +#define OMAP_MCPDM_RATES (SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) +#define OMAP_MCPDM_FORMATS (SNDRV_PCM_FMTBIT_S32_LE) + +static int omap_mcpdm_dai_probe(struct snd_soc_dai *dai) +{ + snd_soc_dai_set_drvdata(dai, &mcpdm_data); + return 0; +} + +static struct snd_soc_dai_driver omap_mcpdm_dai = { + .probe = omap_mcpdm_dai_probe, + .playback = { + .channels_min = 1, + .channels_max = 4, + .rates = OMAP_MCPDM_RATES, + .formats = OMAP_MCPDM_FORMATS, + }, + .capture = { + .channels_min = 1, + .channels_max = 2, + .rates = OMAP_MCPDM_RATES, + .formats = OMAP_MCPDM_FORMATS, + }, + .ops = &omap_mcpdm_dai_ops, +}; + +static __devinit int asoc_mcpdm_probe(struct platform_device *pdev) +{ + int ret; + + ret = omap_mcpdm_probe(pdev); + if (ret < 0) + return ret; + ret = snd_soc_register_dai(&pdev->dev, &omap_mcpdm_dai); + if (ret < 0) + omap_mcpdm_remove(pdev); + return ret; +} + +static int __devexit asoc_mcpdm_remove(struct platform_device *pdev) +{ + snd_soc_unregister_dai(&pdev->dev); + omap_mcpdm_remove(pdev); + return 0; +} + +static struct platform_driver asoc_mcpdm_driver = { + .driver = { + .name = "omap-mcpdm-dai", + .owner = THIS_MODULE, + }, + + .probe = asoc_mcpdm_probe, + .remove = __devexit_p(asoc_mcpdm_remove), +}; + +static int __init snd_omap_mcpdm_init(void) +{ + return platform_driver_register(&asoc_mcpdm_driver); +} +module_init(snd_omap_mcpdm_init); + +static void __exit snd_omap_mcpdm_exit(void) +{ + platform_driver_unregister(&asoc_mcpdm_driver); +} +module_exit(snd_omap_mcpdm_exit); + +MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>"); +MODULE_DESCRIPTION("OMAP PDM SoC Interface"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c new file mode 100644 index 00000000..e6a6b991 --- /dev/null +++ b/sound/soc/omap/omap-pcm.c @@ -0,0 +1,439 @@ +/* + * omap-pcm.c -- ALSA PCM interface for the OMAP SoC + * + * Copyright (C) 2008 Nokia Corporation + * + * Contact: Jarkko Nikula <jhnikula@gmail.com> + * Peter Ujfalusi <peter.ujfalusi@ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/dma-mapping.h> +#include <linux/slab.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> + +#include <plat/dma.h> +#include "omap-pcm.h" + +static const struct snd_pcm_hardware omap_pcm_hardware = { + .info = SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_RESUME | + SNDRV_PCM_INFO_NO_PERIOD_WAKEUP, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S32_LE, + .period_bytes_min = 32, + .period_bytes_max = 64 * 1024, + .periods_min = 2, + .periods_max = 255, + .buffer_bytes_max = 128 * 1024, +}; + +struct omap_runtime_data { + spinlock_t lock; + struct omap_pcm_dma_data *dma_data; + int dma_ch; + int period_index; +}; + +static void omap_pcm_dma_irq(int ch, u16 stat, void *data) +{ + struct snd_pcm_substream *substream = data; + struct snd_pcm_runtime *runtime = substream->runtime; + struct omap_runtime_data *prtd = runtime->private_data; + unsigned long flags; + + if ((cpu_is_omap1510())) { + /* + * OMAP1510 doesn't fully support DMA progress counter + * and there is no software emulation implemented yet, + * so have to maintain our own progress counters + * that can be used by omap_pcm_pointer() instead. + */ + spin_lock_irqsave(&prtd->lock, flags); + if ((stat == OMAP_DMA_LAST_IRQ) && + (prtd->period_index == runtime->periods - 1)) { + /* we are in sync, do nothing */ + spin_unlock_irqrestore(&prtd->lock, flags); + return; + } + if (prtd->period_index >= 0) { + if (stat & OMAP_DMA_BLOCK_IRQ) { + /* end of buffer reached, loop back */ + prtd->period_index = 0; + } else if (stat & OMAP_DMA_LAST_IRQ) { + /* update the counter for the last period */ + prtd->period_index = runtime->periods - 1; + } else if (++prtd->period_index >= runtime->periods) { + /* end of buffer missed? loop back */ + prtd->period_index = 0; + } + } + spin_unlock_irqrestore(&prtd->lock, flags); + } + + snd_pcm_period_elapsed(substream); +} + +/* this may get called several times by oss emulation */ +static int omap_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct omap_runtime_data *prtd = runtime->private_data; + struct omap_pcm_dma_data *dma_data; + + int err = 0; + + dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); + + /* return if this is a bufferless transfer e.g. + * codec <--> BT codec or GSM modem -- lg FIXME */ + if (!dma_data) + return 0; + + snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); + runtime->dma_bytes = params_buffer_bytes(params); + + if (prtd->dma_data) + return 0; + prtd->dma_data = dma_data; + err = omap_request_dma(dma_data->dma_req, dma_data->name, + omap_pcm_dma_irq, substream, &prtd->dma_ch); + if (!err) { + /* + * Link channel with itself so DMA doesn't need any + * reprogramming while looping the buffer + */ + omap_dma_link_lch(prtd->dma_ch, prtd->dma_ch); + } + + return err; +} + +static int omap_pcm_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct omap_runtime_data *prtd = runtime->private_data; + + if (prtd->dma_data == NULL) + return 0; + + omap_dma_unlink_lch(prtd->dma_ch, prtd->dma_ch); + omap_free_dma(prtd->dma_ch); + prtd->dma_data = NULL; + + snd_pcm_set_runtime_buffer(substream, NULL); + + return 0; +} + +static int omap_pcm_prepare(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct omap_runtime_data *prtd = runtime->private_data; + struct omap_pcm_dma_data *dma_data = prtd->dma_data; + struct omap_dma_channel_params dma_params; + int bytes; + + /* return if this is a bufferless transfer e.g. + * codec <--> BT codec or GSM modem -- lg FIXME */ + if (!prtd->dma_data) + return 0; + + memset(&dma_params, 0, sizeof(dma_params)); + dma_params.data_type = dma_data->data_type; + dma_params.trigger = dma_data->dma_req; + dma_params.sync_mode = dma_data->sync_mode; + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + dma_params.src_amode = OMAP_DMA_AMODE_POST_INC; + dma_params.dst_amode = OMAP_DMA_AMODE_CONSTANT; + dma_params.src_or_dst_synch = OMAP_DMA_DST_SYNC; + dma_params.src_start = runtime->dma_addr; + dma_params.dst_start = dma_data->port_addr; + dma_params.dst_port = OMAP_DMA_PORT_MPUI; + dma_params.dst_fi = dma_data->packet_size; + } else { + dma_params.src_amode = OMAP_DMA_AMODE_CONSTANT; + dma_params.dst_amode = OMAP_DMA_AMODE_POST_INC; + dma_params.src_or_dst_synch = OMAP_DMA_SRC_SYNC; + dma_params.src_start = dma_data->port_addr; + dma_params.dst_start = runtime->dma_addr; + dma_params.src_port = OMAP_DMA_PORT_MPUI; + dma_params.src_fi = dma_data->packet_size; + } + /* + * Set DMA transfer frame size equal to ALSA period size and frame + * count as no. of ALSA periods. Then with DMA frame interrupt enabled, + * we can transfer the whole ALSA buffer with single DMA transfer but + * still can get an interrupt at each period bounary + */ + bytes = snd_pcm_lib_period_bytes(substream); + dma_params.elem_count = bytes >> dma_data->data_type; + dma_params.frame_count = runtime->periods; + omap_set_dma_params(prtd->dma_ch, &dma_params); + + if ((cpu_is_omap1510())) + omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ | + OMAP_DMA_LAST_IRQ | OMAP_DMA_BLOCK_IRQ); + else if (!substream->runtime->no_period_wakeup) + omap_enable_dma_irq(prtd->dma_ch, OMAP_DMA_FRAME_IRQ); + + if (!(cpu_class_is_omap1())) { + omap_set_dma_src_burst_mode(prtd->dma_ch, + OMAP_DMA_DATA_BURST_16); + omap_set_dma_dest_burst_mode(prtd->dma_ch, + OMAP_DMA_DATA_BURST_16); + } + + return 0; +} + +static int omap_pcm_trigger(struct snd_pcm_substream *substream, int cmd) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct omap_runtime_data *prtd = runtime->private_data; + struct omap_pcm_dma_data *dma_data = prtd->dma_data; + unsigned long flags; + int ret = 0; + + spin_lock_irqsave(&prtd->lock, flags); + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + prtd->period_index = 0; + /* Configure McBSP internal buffer usage */ + if (dma_data->set_threshold) + dma_data->set_threshold(substream); + + omap_start_dma(prtd->dma_ch); + break; + + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + prtd->period_index = -1; + omap_stop_dma(prtd->dma_ch); + break; + default: + ret = -EINVAL; + } + spin_unlock_irqrestore(&prtd->lock, flags); + + return ret; +} + +static snd_pcm_uframes_t omap_pcm_pointer(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct omap_runtime_data *prtd = runtime->private_data; + dma_addr_t ptr; + snd_pcm_uframes_t offset; + + if (cpu_is_omap1510()) { + offset = prtd->period_index * runtime->period_size; + } else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { + ptr = omap_get_dma_dst_pos(prtd->dma_ch); + offset = bytes_to_frames(runtime, ptr - runtime->dma_addr); + } else { + ptr = omap_get_dma_src_pos(prtd->dma_ch); + offset = bytes_to_frames(runtime, ptr - runtime->dma_addr); + } + + if (offset >= runtime->buffer_size) + offset = 0; + + return offset; +} + +static int omap_pcm_open(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct omap_runtime_data *prtd; + int ret; + + snd_soc_set_runtime_hwparams(substream, &omap_pcm_hardware); + + /* Ensure that buffer size is a multiple of period size */ + ret = snd_pcm_hw_constraint_integer(runtime, + SNDRV_PCM_HW_PARAM_PERIODS); + if (ret < 0) + goto out; + + prtd = kzalloc(sizeof(*prtd), GFP_KERNEL); + if (prtd == NULL) { + ret = -ENOMEM; + goto out; + } + spin_lock_init(&prtd->lock); + runtime->private_data = prtd; + +out: + return ret; +} + +static int omap_pcm_close(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + + kfree(runtime->private_data); + return 0; +} + +static int omap_pcm_mmap(struct snd_pcm_substream *substream, + struct vm_area_struct *vma) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + + return dma_mmap_writecombine(substream->pcm->card->dev, vma, + runtime->dma_area, + runtime->dma_addr, + runtime->dma_bytes); +} + +static struct snd_pcm_ops omap_pcm_ops = { + .open = omap_pcm_open, + .close = omap_pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = omap_pcm_hw_params, + .hw_free = omap_pcm_hw_free, + .prepare = omap_pcm_prepare, + .trigger = omap_pcm_trigger, + .pointer = omap_pcm_pointer, + .mmap = omap_pcm_mmap, +}; + +static u64 omap_pcm_dmamask = DMA_BIT_MASK(64); + +static int omap_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, + int stream) +{ + struct snd_pcm_substream *substream = pcm->streams[stream].substream; + struct snd_dma_buffer *buf = &substream->dma_buffer; + size_t size = omap_pcm_hardware.buffer_bytes_max; + + buf->dev.type = SNDRV_DMA_TYPE_DEV; + buf->dev.dev = pcm->card->dev; + buf->private_data = NULL; + buf->area = dma_alloc_writecombine(pcm->card->dev, size, + &buf->addr, GFP_KERNEL); + if (!buf->area) + return -ENOMEM; + + buf->bytes = size; + return 0; +} + +static void omap_pcm_free_dma_buffers(struct snd_pcm *pcm) +{ + struct snd_pcm_substream *substream; + struct snd_dma_buffer *buf; + int stream; + + for (stream = 0; stream < 2; stream++) { + substream = pcm->streams[stream].substream; + if (!substream) + continue; + + buf = &substream->dma_buffer; + if (!buf->area) + continue; + + dma_free_writecombine(pcm->card->dev, buf->bytes, + buf->area, buf->addr); + buf->area = NULL; + } +} + +static int omap_pcm_new(struct snd_card *card, struct snd_soc_dai *dai, + struct snd_pcm *pcm) +{ + int ret = 0; + + if (!card->dev->dma_mask) + card->dev->dma_mask = &omap_pcm_dmamask; + if (!card->dev->coherent_dma_mask) + card->dev->coherent_dma_mask = DMA_BIT_MASK(64); + + if (dai->driver->playback.channels_min) { + ret = omap_pcm_preallocate_dma_buffer(pcm, + SNDRV_PCM_STREAM_PLAYBACK); + if (ret) + goto out; + } + + if (dai->driver->capture.channels_min) { + ret = omap_pcm_preallocate_dma_buffer(pcm, + SNDRV_PCM_STREAM_CAPTURE); + if (ret) + goto out; + } + +out: + return ret; +} + +static struct snd_soc_platform_driver omap_soc_platform = { + .ops = &omap_pcm_ops, + .pcm_new = omap_pcm_new, + .pcm_free = omap_pcm_free_dma_buffers, +}; + +static __devinit int omap_pcm_probe(struct platform_device *pdev) +{ + return snd_soc_register_platform(&pdev->dev, + &omap_soc_platform); +} + +static int __devexit omap_pcm_remove(struct platform_device *pdev) +{ + snd_soc_unregister_platform(&pdev->dev); + return 0; +} + +static struct platform_driver omap_pcm_driver = { + .driver = { + .name = "omap-pcm-audio", + .owner = THIS_MODULE, + }, + + .probe = omap_pcm_probe, + .remove = __devexit_p(omap_pcm_remove), +}; + +static int __init snd_omap_pcm_init(void) +{ + return platform_driver_register(&omap_pcm_driver); +} +module_init(snd_omap_pcm_init); + +static void __exit snd_omap_pcm_exit(void) +{ + platform_driver_unregister(&omap_pcm_driver); +} +module_exit(snd_omap_pcm_exit); + +MODULE_AUTHOR("Jarkko Nikula <jhnikula@gmail.com>"); +MODULE_DESCRIPTION("OMAP PCM DMA module"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/omap/omap-pcm.h b/sound/soc/omap/omap-pcm.h new file mode 100644 index 00000000..a0ed1dbb --- /dev/null +++ b/sound/soc/omap/omap-pcm.h @@ -0,0 +1,38 @@ +/* + * omap-pcm.h + * + * Copyright (C) 2008 Nokia Corporation + * + * Contact: Jarkko Nikula <jhnikula@gmail.com> + * Peter Ujfalusi <peter.ujfalusi@ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __OMAP_PCM_H__ +#define __OMAP_PCM_H__ + +struct omap_pcm_dma_data { + char *name; /* stream identifier */ + int dma_req; /* DMA request line */ + unsigned long port_addr; /* transmit/receive register */ + void (*set_threshold)(struct snd_pcm_substream *substream); + int data_type; /* data type 8,16,32 */ + int sync_mode; /* DMA sync mode */ + int packet_size; /* packet size only in PACKET mode */ +}; + +#endif diff --git a/sound/soc/omap/omap3beagle.c b/sound/soc/omap/omap3beagle.c new file mode 100644 index 00000000..40db813c --- /dev/null +++ b/sound/soc/omap/omap3beagle.c @@ -0,0 +1,149 @@ +/* + * omap3beagle.c -- SoC audio for OMAP3 Beagle + * + * Author: Steve Sakoman <steve@sakoman.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <mach/hardware.h> +#include <mach/gpio.h> +#include <plat/mcbsp.h> + +#include "omap-mcbsp.h" +#include "omap-pcm.h" + +static int omap3beagle_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + unsigned int fmt; + int ret; + + switch (params_channels(params)) { + case 2: /* Stereo I2S mode */ + fmt = SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM; + break; + case 4: /* Four channel TDM mode */ + fmt = SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_IB_NF | + SND_SOC_DAIFMT_CBM_CFM; + break; + default: + return -EINVAL; + } + + /* Set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, fmt); + if (ret < 0) { + printk(KERN_ERR "can't set codec DAI configuration\n"); + return ret; + } + + /* Set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, fmt); + if (ret < 0) { + printk(KERN_ERR "can't set cpu DAI configuration\n"); + return ret; + } + + /* Set the codec system clock for DAC and ADC */ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, + SND_SOC_CLOCK_IN); + if (ret < 0) { + printk(KERN_ERR "can't set codec system clock\n"); + return ret; + } + + return 0; +} + +static struct snd_soc_ops omap3beagle_ops = { + .hw_params = omap3beagle_hw_params, +}; + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link omap3beagle_dai = { + .name = "TWL4030", + .stream_name = "TWL4030", + .cpu_dai_name = "omap-mcbsp-dai.1", + .platform_name = "omap-pcm-audio", + .codec_dai_name = "twl4030-hifi", + .codec_name = "twl4030-codec", + .ops = &omap3beagle_ops, +}; + +/* Audio machine driver */ +static struct snd_soc_card snd_soc_omap3beagle = { + .name = "omap3beagle", + .owner = THIS_MODULE, + .dai_link = &omap3beagle_dai, + .num_links = 1, +}; + +static struct platform_device *omap3beagle_snd_device; + +static int __init omap3beagle_soc_init(void) +{ + int ret; + + if (!(machine_is_omap3_beagle() || machine_is_devkit8000())) + return -ENODEV; + pr_info("OMAP3 Beagle/Devkit8000 SoC init\n"); + + omap3beagle_snd_device = platform_device_alloc("soc-audio", -1); + if (!omap3beagle_snd_device) { + printk(KERN_ERR "Platform device allocation failed\n"); + return -ENOMEM; + } + + platform_set_drvdata(omap3beagle_snd_device, &snd_soc_omap3beagle); + + ret = platform_device_add(omap3beagle_snd_device); + if (ret) + goto err1; + + return 0; + +err1: + printk(KERN_ERR "Unable to add platform device\n"); + platform_device_put(omap3beagle_snd_device); + + return ret; +} + +static void __exit omap3beagle_soc_exit(void) +{ + platform_device_unregister(omap3beagle_snd_device); +} + +module_init(omap3beagle_soc_init); +module_exit(omap3beagle_soc_exit); + +MODULE_AUTHOR("Steve Sakoman <steve@sakoman.com>"); +MODULE_DESCRIPTION("ALSA SoC OMAP3 Beagle"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/omap/omap3evm.c b/sound/soc/omap/omap3evm.c new file mode 100644 index 00000000..0daa0446 --- /dev/null +++ b/sound/soc/omap/omap3evm.c @@ -0,0 +1,135 @@ +/* + * omap3evm.c -- ALSA SoC support for OMAP3 EVM + * + * Author: Anuj Aggarwal <anuj.aggarwal@ti.com> + * + * Based on sound/soc/omap/beagle.c by Steve Sakoman + * + * Copyright (C) 2008 Texas Instruments, Incorporated + * + * 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 version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind, + * whether express or implied; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <mach/hardware.h> +#include <mach/gpio.h> +#include <plat/mcbsp.h> + +#include "omap-mcbsp.h" +#include "omap-pcm.h" + +static int omap3evm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + int ret; + + /* Set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_ERR "Can't set codec DAI configuration\n"); + return ret; + } + + /* Set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_ERR "Can't set cpu DAI configuration\n"); + return ret; + } + + /* Set the codec system clock for DAC and ADC */ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, + SND_SOC_CLOCK_IN); + if (ret < 0) { + printk(KERN_ERR "Can't set codec system clock\n"); + return ret; + } + + return 0; +} + +static struct snd_soc_ops omap3evm_ops = { + .hw_params = omap3evm_hw_params, +}; + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link omap3evm_dai = { + .name = "TWL4030", + .stream_name = "TWL4030", + .cpu_dai_name = "omap-mcbsp-dai.1", + .codec_dai_name = "twl4030-hifi", + .platform_name = "omap-pcm-audio", + .codec_name = "twl4030-codec", + .ops = &omap3evm_ops, +}; + +/* Audio machine driver */ +static struct snd_soc_card snd_soc_omap3evm = { + .name = "omap3evm", + .dai_link = &omap3evm_dai, + .num_links = 1, +}; + +static struct platform_device *omap3evm_snd_device; + +static int __init omap3evm_soc_init(void) +{ + int ret; + + if (!machine_is_omap3evm()) + return -ENODEV; + pr_info("OMAP3 EVM SoC init\n"); + + omap3evm_snd_device = platform_device_alloc("soc-audio", -1); + if (!omap3evm_snd_device) { + printk(KERN_ERR "Platform device allocation failed\n"); + return -ENOMEM; + } + + platform_set_drvdata(omap3evm_snd_device, &snd_soc_omap3evm); + ret = platform_device_add(omap3evm_snd_device); + if (ret) + goto err1; + + return 0; + +err1: + printk(KERN_ERR "Unable to add platform device\n"); + platform_device_put(omap3evm_snd_device); + + return ret; +} + +static void __exit omap3evm_soc_exit(void) +{ + platform_device_unregister(omap3evm_snd_device); +} + +module_init(omap3evm_soc_init); +module_exit(omap3evm_soc_exit); + +MODULE_AUTHOR("Anuj Aggarwal <anuj.aggarwal@ti.com>"); +MODULE_DESCRIPTION("ALSA SoC OMAP3 EVM"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/omap/omap3pandora.c b/sound/soc/omap/omap3pandora.c new file mode 100644 index 00000000..8047c521 --- /dev/null +++ b/sound/soc/omap/omap3pandora.c @@ -0,0 +1,339 @@ +/* + * omap3pandora.c -- SoC audio for Pandora Handheld Console + * + * Author: Gražvydas Ignotas <notasas@gmail.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/delay.h> +#include <linux/regulator/consumer.h> + +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <plat/mcbsp.h> + +#include "omap-mcbsp.h" +#include "omap-pcm.h" + +#define OMAP3_PANDORA_DAC_POWER_GPIO 118 +#define OMAP3_PANDORA_AMP_POWER_GPIO 14 + +#define PREFIX "ASoC omap3pandora: " + +static struct regulator *omap3pandora_dac_reg; + +static int omap3pandora_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + int fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS; + int ret; + + /* Set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, fmt); + if (ret < 0) { + pr_err(PREFIX "can't set codec DAI configuration\n"); + return ret; + } + + /* Set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, fmt); + if (ret < 0) { + pr_err(PREFIX "can't set cpu DAI configuration\n"); + return ret; + } + + /* Set the codec system clock for DAC and ADC */ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, + SND_SOC_CLOCK_IN); + if (ret < 0) { + pr_err(PREFIX "can't set codec system clock\n"); + return ret; + } + + /* Set McBSP clock to external */ + ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_SYSCLK_CLKS_EXT, + 256 * params_rate(params), + SND_SOC_CLOCK_IN); + if (ret < 0) { + pr_err(PREFIX "can't set cpu system clock\n"); + return ret; + } + + ret = snd_soc_dai_set_clkdiv(cpu_dai, OMAP_MCBSP_CLKGDV, 8); + if (ret < 0) { + pr_err(PREFIX "can't set SRG clock divider\n"); + return ret; + } + + return 0; +} + +static int omap3pandora_dac_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + /* + * The PCM1773 DAC datasheet requires 1ms delay between switching + * VCC power on/off and /PD pin high/low + */ + if (SND_SOC_DAPM_EVENT_ON(event)) { + regulator_enable(omap3pandora_dac_reg); + mdelay(1); + gpio_set_value(OMAP3_PANDORA_DAC_POWER_GPIO, 1); + } else { + gpio_set_value(OMAP3_PANDORA_DAC_POWER_GPIO, 0); + mdelay(1); + regulator_disable(omap3pandora_dac_reg); + } + + return 0; +} + +static int omap3pandora_hp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + if (SND_SOC_DAPM_EVENT_ON(event)) + gpio_set_value(OMAP3_PANDORA_AMP_POWER_GPIO, 1); + else + gpio_set_value(OMAP3_PANDORA_AMP_POWER_GPIO, 0); + + return 0; +} + +/* + * Audio paths on Pandora board: + * + * |O| ---> PCM DAC +-> AMP -> Headphone Jack + * |M| A +--------> Line Out + * |A| <~~clk~~+ + * |P| <--- TWL4030 <--------- Line In and MICs + */ +static const struct snd_soc_dapm_widget omap3pandora_out_dapm_widgets[] = { + SND_SOC_DAPM_DAC_E("PCM DAC", "HiFi Playback", SND_SOC_NOPM, + 0, 0, omap3pandora_dac_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_PGA_E("Headphone Amplifier", SND_SOC_NOPM, + 0, 0, NULL, 0, omap3pandora_hp_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_LINE("Line Out", NULL), +}; + +static const struct snd_soc_dapm_widget omap3pandora_in_dapm_widgets[] = { + SND_SOC_DAPM_MIC("Mic (internal)", NULL), + SND_SOC_DAPM_MIC("Mic (external)", NULL), + SND_SOC_DAPM_LINE("Line In", NULL), +}; + +static const struct snd_soc_dapm_route omap3pandora_out_map[] = { + {"PCM DAC", NULL, "APLL Enable"}, + {"Headphone Amplifier", NULL, "PCM DAC"}, + {"Line Out", NULL, "PCM DAC"}, + {"Headphone Jack", NULL, "Headphone Amplifier"}, +}; + +static const struct snd_soc_dapm_route omap3pandora_in_map[] = { + {"AUXL", NULL, "Line In"}, + {"AUXR", NULL, "Line In"}, + + {"MAINMIC", NULL, "Mic Bias 1"}, + {"Mic Bias 1", NULL, "Mic (internal)"}, + + {"SUBMIC", NULL, "Mic Bias 2"}, + {"Mic Bias 2", NULL, "Mic (external)"}, +}; + +static int omap3pandora_out_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + int ret; + + /* All TWL4030 output pins are floating */ + snd_soc_dapm_nc_pin(dapm, "EARPIECE"); + snd_soc_dapm_nc_pin(dapm, "PREDRIVEL"); + snd_soc_dapm_nc_pin(dapm, "PREDRIVER"); + snd_soc_dapm_nc_pin(dapm, "HSOL"); + snd_soc_dapm_nc_pin(dapm, "HSOR"); + snd_soc_dapm_nc_pin(dapm, "CARKITL"); + snd_soc_dapm_nc_pin(dapm, "CARKITR"); + snd_soc_dapm_nc_pin(dapm, "HFL"); + snd_soc_dapm_nc_pin(dapm, "HFR"); + snd_soc_dapm_nc_pin(dapm, "VIBRA"); + + ret = snd_soc_dapm_new_controls(dapm, omap3pandora_out_dapm_widgets, + ARRAY_SIZE(omap3pandora_out_dapm_widgets)); + if (ret < 0) + return ret; + + snd_soc_dapm_add_routes(dapm, omap3pandora_out_map, + ARRAY_SIZE(omap3pandora_out_map)); + + return snd_soc_dapm_sync(dapm); +} + +static int omap3pandora_in_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + int ret; + + /* Not comnnected */ + snd_soc_dapm_nc_pin(dapm, "HSMIC"); + snd_soc_dapm_nc_pin(dapm, "CARKITMIC"); + snd_soc_dapm_nc_pin(dapm, "DIGIMIC0"); + snd_soc_dapm_nc_pin(dapm, "DIGIMIC1"); + + ret = snd_soc_dapm_new_controls(dapm, omap3pandora_in_dapm_widgets, + ARRAY_SIZE(omap3pandora_in_dapm_widgets)); + if (ret < 0) + return ret; + + snd_soc_dapm_add_routes(dapm, omap3pandora_in_map, + ARRAY_SIZE(omap3pandora_in_map)); + + return snd_soc_dapm_sync(dapm); +} + +static struct snd_soc_ops omap3pandora_ops = { + .hw_params = omap3pandora_hw_params, +}; + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link omap3pandora_dai[] = { + { + .name = "PCM1773", + .stream_name = "HiFi Out", + .cpu_dai_name = "omap-mcbsp-dai.1", + .codec_dai_name = "twl4030-hifi", + .platform_name = "omap-pcm-audio", + .codec_name = "twl4030-codec", + .ops = &omap3pandora_ops, + .init = omap3pandora_out_init, + }, { + .name = "TWL4030", + .stream_name = "Line/Mic In", + .cpu_dai_name = "omap-mcbsp-dai.3", + .codec_dai_name = "twl4030-hifi", + .platform_name = "omap-pcm-audio", + .codec_name = "twl4030-codec", + .ops = &omap3pandora_ops, + .init = omap3pandora_in_init, + } +}; + +/* SoC card */ +static struct snd_soc_card snd_soc_card_omap3pandora = { + .name = "omap3pandora", + .dai_link = omap3pandora_dai, + .num_links = ARRAY_SIZE(omap3pandora_dai), +}; + +static struct platform_device *omap3pandora_snd_device; + +static int __init omap3pandora_soc_init(void) +{ + int ret; + + if (!machine_is_omap3_pandora()) + return -ENODEV; + + pr_info("OMAP3 Pandora SoC init\n"); + + ret = gpio_request(OMAP3_PANDORA_DAC_POWER_GPIO, "dac_power"); + if (ret) { + pr_err(PREFIX "Failed to get DAC power GPIO\n"); + return ret; + } + + ret = gpio_direction_output(OMAP3_PANDORA_DAC_POWER_GPIO, 0); + if (ret) { + pr_err(PREFIX "Failed to set DAC power GPIO direction\n"); + goto fail0; + } + + ret = gpio_request(OMAP3_PANDORA_AMP_POWER_GPIO, "amp_power"); + if (ret) { + pr_err(PREFIX "Failed to get amp power GPIO\n"); + goto fail0; + } + + ret = gpio_direction_output(OMAP3_PANDORA_AMP_POWER_GPIO, 0); + if (ret) { + pr_err(PREFIX "Failed to set amp power GPIO direction\n"); + goto fail1; + } + + omap3pandora_snd_device = platform_device_alloc("soc-audio", -1); + if (omap3pandora_snd_device == NULL) { + pr_err(PREFIX "Platform device allocation failed\n"); + ret = -ENOMEM; + goto fail1; + } + + platform_set_drvdata(omap3pandora_snd_device, &snd_soc_card_omap3pandora); + + ret = platform_device_add(omap3pandora_snd_device); + if (ret) { + pr_err(PREFIX "Unable to add platform device\n"); + goto fail2; + } + + omap3pandora_dac_reg = regulator_get(&omap3pandora_snd_device->dev, "vcc"); + if (IS_ERR(omap3pandora_dac_reg)) { + pr_err(PREFIX "Failed to get DAC regulator from %s: %ld\n", + dev_name(&omap3pandora_snd_device->dev), + PTR_ERR(omap3pandora_dac_reg)); + ret = PTR_ERR(omap3pandora_dac_reg); + goto fail3; + } + + return 0; + +fail3: + platform_device_del(omap3pandora_snd_device); +fail2: + platform_device_put(omap3pandora_snd_device); +fail1: + gpio_free(OMAP3_PANDORA_AMP_POWER_GPIO); +fail0: + gpio_free(OMAP3_PANDORA_DAC_POWER_GPIO); + return ret; +} +module_init(omap3pandora_soc_init); + +static void __exit omap3pandora_soc_exit(void) +{ + regulator_put(omap3pandora_dac_reg); + platform_device_unregister(omap3pandora_snd_device); + gpio_free(OMAP3_PANDORA_AMP_POWER_GPIO); + gpio_free(OMAP3_PANDORA_DAC_POWER_GPIO); +} +module_exit(omap3pandora_soc_exit); + +MODULE_AUTHOR("Grazvydas Ignotas <notasas@gmail.com>"); +MODULE_DESCRIPTION("ALSA SoC OMAP3 Pandora"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/omap/osk5912.c b/sound/soc/omap/osk5912.c new file mode 100644 index 00000000..7e75e775 --- /dev/null +++ b/sound/soc/omap/osk5912.c @@ -0,0 +1,223 @@ +/* + * osk5912.c -- SoC audio for OSK 5912 + * + * Copyright (C) 2008 Mistral Solutions + * + * Contact: Arun KS <arunks@mistralsolutions.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <mach/hardware.h> +#include <linux/gpio.h> +#include <plat/mcbsp.h> + +#include "omap-mcbsp.h" +#include "omap-pcm.h" +#include "../codecs/tlv320aic23.h" + +#define CODEC_CLOCK 12000000 + +static struct clk *tlv320aic23_mclk; + +static int osk_startup(struct snd_pcm_substream *substream) +{ + return clk_enable(tlv320aic23_mclk); +} + +static void osk_shutdown(struct snd_pcm_substream *substream) +{ + clk_disable(tlv320aic23_mclk); +} + +static int osk_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + int err; + + /* Set codec DAI configuration */ + err = snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_DSP_B | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (err < 0) { + printk(KERN_ERR "can't set codec DAI configuration\n"); + return err; + } + + /* Set cpu DAI configuration */ + err = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_DSP_B | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (err < 0) { + printk(KERN_ERR "can't set cpu DAI configuration\n"); + return err; + } + + /* Set the codec system clock for DAC and ADC */ + err = + snd_soc_dai_set_sysclk(codec_dai, 0, CODEC_CLOCK, SND_SOC_CLOCK_IN); + + if (err < 0) { + printk(KERN_ERR "can't set codec system clock\n"); + return err; + } + + return err; +} + +static struct snd_soc_ops osk_ops = { + .startup = osk_startup, + .hw_params = osk_hw_params, + .shutdown = osk_shutdown, +}; + +static const struct snd_soc_dapm_widget tlv320aic23_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headphone Jack", NULL), + SND_SOC_DAPM_LINE("Line In", NULL), + SND_SOC_DAPM_MIC("Mic Jack", NULL), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + {"Headphone Jack", NULL, "LHPOUT"}, + {"Headphone Jack", NULL, "RHPOUT"}, + + {"LLINEIN", NULL, "Line In"}, + {"RLINEIN", NULL, "Line In"}, + + {"MICIN", NULL, "Mic Jack"}, +}; + +static int osk_tlv320aic23_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + + /* Add osk5912 specific widgets */ + snd_soc_dapm_new_controls(dapm, tlv320aic23_dapm_widgets, + ARRAY_SIZE(tlv320aic23_dapm_widgets)); + + /* Set up osk5912 specific audio path audio_map */ + snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); + + snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); + snd_soc_dapm_enable_pin(dapm, "Line In"); + snd_soc_dapm_enable_pin(dapm, "Mic Jack"); + + snd_soc_dapm_sync(dapm); + + return 0; +} + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link osk_dai = { + .name = "TLV320AIC23", + .stream_name = "AIC23", + .cpu_dai_name = "omap-mcbsp-dai.0", + .codec_dai_name = "tlv320aic23-hifi", + .platform_name = "omap-pcm-audio", + .codec_name = "tlv320aic23-codec", + .init = osk_tlv320aic23_init, + .ops = &osk_ops, +}; + +/* Audio machine driver */ +static struct snd_soc_card snd_soc_card_osk = { + .name = "OSK5912", + .dai_link = &osk_dai, + .num_links = 1, +}; + +static struct platform_device *osk_snd_device; + +static int __init osk_soc_init(void) +{ + int err; + u32 curRate; + struct device *dev; + + if (!(machine_is_omap_osk())) + return -ENODEV; + + osk_snd_device = platform_device_alloc("soc-audio", -1); + if (!osk_snd_device) + return -ENOMEM; + + platform_set_drvdata(osk_snd_device, &snd_soc_card_osk); + err = platform_device_add(osk_snd_device); + if (err) + goto err1; + + dev = &osk_snd_device->dev; + + tlv320aic23_mclk = clk_get(dev, "mclk"); + if (IS_ERR(tlv320aic23_mclk)) { + printk(KERN_ERR "Could not get mclk clock\n"); + err = PTR_ERR(tlv320aic23_mclk); + goto err2; + } + + /* + * Configure 12 MHz output on MCLK. + */ + curRate = (uint) clk_get_rate(tlv320aic23_mclk); + if (curRate != CODEC_CLOCK) { + if (clk_set_rate(tlv320aic23_mclk, CODEC_CLOCK)) { + printk(KERN_ERR "Cannot set MCLK for AIC23 CODEC\n"); + err = -ECANCELED; + goto err3; + } + } + + printk(KERN_INFO "MCLK = %d [%d]\n", + (uint) clk_get_rate(tlv320aic23_mclk), CODEC_CLOCK); + + return 0; + +err3: + clk_put(tlv320aic23_mclk); +err2: + platform_device_del(osk_snd_device); +err1: + platform_device_put(osk_snd_device); + + return err; + +} + +static void __exit osk_soc_exit(void) +{ + clk_put(tlv320aic23_mclk); + platform_device_unregister(osk_snd_device); +} + +module_init(osk_soc_init); +module_exit(osk_soc_exit); + +MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>"); +MODULE_DESCRIPTION("ALSA SoC OSK 5912"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/omap/overo.c b/sound/soc/omap/overo.c new file mode 100644 index 00000000..bbcf380b --- /dev/null +++ b/sound/soc/omap/overo.c @@ -0,0 +1,139 @@ +/* + * overo.c -- SoC audio for Gumstix Overo + * + * Author: Steve Sakoman <steve@sakoman.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <mach/hardware.h> +#include <mach/gpio.h> +#include <plat/mcbsp.h> + +#include "omap-mcbsp.h" +#include "omap-pcm.h" + +static int overo_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + int ret; + + /* Set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_ERR "can't set codec DAI configuration\n"); + return ret; + } + + /* Set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_ERR "can't set cpu DAI configuration\n"); + return ret; + } + + /* Set the codec system clock for DAC and ADC */ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, + SND_SOC_CLOCK_IN); + if (ret < 0) { + printk(KERN_ERR "can't set codec system clock\n"); + return ret; + } + + return 0; +} + +static struct snd_soc_ops overo_ops = { + .hw_params = overo_hw_params, +}; + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link overo_dai = { + .name = "TWL4030", + .stream_name = "TWL4030", + .cpu_dai_name = "omap-mcbsp-dai.1", + .codec_dai_name = "twl4030-hifi", + .platform_name = "omap-pcm-audio", + .codec_name = "twl4030-codec", + .ops = &overo_ops, +}; + +/* Audio machine driver */ +static struct snd_soc_card snd_soc_card_overo = { + .name = "overo", + .dai_link = &overo_dai, + .num_links = 1, +}; + +static struct platform_device *overo_snd_device; + +static int __init overo_soc_init(void) +{ + int ret; + + if (!(machine_is_overo() || machine_is_cm_t35())) { + pr_debug("Incomatible machine!\n"); + return -ENODEV; + } + printk(KERN_INFO "overo SoC init\n"); + + overo_snd_device = platform_device_alloc("soc-audio", -1); + if (!overo_snd_device) { + printk(KERN_ERR "Platform device allocation failed\n"); + return -ENOMEM; + } + + platform_set_drvdata(overo_snd_device, &snd_soc_card_overo); + + ret = platform_device_add(overo_snd_device); + if (ret) + goto err1; + + return 0; + +err1: + printk(KERN_ERR "Unable to add platform device\n"); + platform_device_put(overo_snd_device); + + return ret; +} +module_init(overo_soc_init); + +static void __exit overo_soc_exit(void) +{ + platform_device_unregister(overo_snd_device); +} +module_exit(overo_soc_exit); + +MODULE_AUTHOR("Steve Sakoman <steve@sakoman.com>"); +MODULE_DESCRIPTION("ALSA SoC overo"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/omap/rx51.c b/sound/soc/omap/rx51.c new file mode 100644 index 00000000..0aae998b --- /dev/null +++ b/sound/soc/omap/rx51.c @@ -0,0 +1,468 @@ +/* + * rx51.c -- SoC audio for Nokia RX-51 + * + * Copyright (C) 2008 - 2009 Nokia Corporation + * + * Contact: Peter Ujfalusi <peter.ujfalusi@ti.com> + * Eduardo Valentin <eduardo.valentin@nokia.com> + * Jarkko Nikula <jhnikula@gmail.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/jack.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <plat/mcbsp.h> +#include "../codecs/tpa6130a2.h" + +#include <asm/mach-types.h> + +#include "omap-mcbsp.h" +#include "omap-pcm.h" + +#define RX51_TVOUT_SEL_GPIO 40 +#define RX51_JACK_DETECT_GPIO 177 +#define RX51_ECI_SW_GPIO 182 +/* + * REVISIT: TWL4030 GPIO base in RX-51. Now statically defined to 192. This + * gpio is reserved in arch/arm/mach-omap2/board-rx51-peripherals.c + */ +#define RX51_SPEAKER_AMP_TWL_GPIO (192 + 7) + +enum { + RX51_JACK_DISABLED, + RX51_JACK_TVOUT, /* tv-out with stereo output */ + RX51_JACK_HP, /* headphone: stereo output, no mic */ + RX51_JACK_HS, /* headset: stereo output with mic */ +}; + +static int rx51_spk_func; +static int rx51_dmic_func; +static int rx51_jack_func; + +static void rx51_ext_control(struct snd_soc_codec *codec) +{ + struct snd_soc_dapm_context *dapm = &codec->dapm; + int hp = 0, hs = 0, tvout = 0; + + switch (rx51_jack_func) { + case RX51_JACK_TVOUT: + tvout = 1; + hp = 1; + break; + case RX51_JACK_HS: + hs = 1; + case RX51_JACK_HP: + hp = 1; + break; + } + + if (rx51_spk_func) + snd_soc_dapm_enable_pin(dapm, "Ext Spk"); + else + snd_soc_dapm_disable_pin(dapm, "Ext Spk"); + if (rx51_dmic_func) + snd_soc_dapm_enable_pin(dapm, "DMic"); + else + snd_soc_dapm_disable_pin(dapm, "DMic"); + if (hp) + snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); + else + snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); + if (hs) + snd_soc_dapm_enable_pin(dapm, "HS Mic"); + else + snd_soc_dapm_disable_pin(dapm, "HS Mic"); + + gpio_set_value(RX51_TVOUT_SEL_GPIO, tvout); + + snd_soc_dapm_sync(dapm); +} + +static int rx51_startup(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_codec *codec = rtd->codec; + + snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2); + rx51_ext_control(codec); + + return 0; +} + +static int rx51_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + int err; + + /* Set codec DAI configuration */ + err = snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_IB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (err < 0) + return err; + + /* Set cpu DAI configuration */ + err = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_IB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (err < 0) + return err; + + /* Set the codec system clock for DAC and ADC */ + return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000, + SND_SOC_CLOCK_IN); +} + +static struct snd_soc_ops rx51_ops = { + .startup = rx51_startup, + .hw_params = rx51_hw_params, +}; + +static int rx51_get_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = rx51_spk_func; + + return 0; +} + +static int rx51_set_spk(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + + if (rx51_spk_func == ucontrol->value.integer.value[0]) + return 0; + + rx51_spk_func = ucontrol->value.integer.value[0]; + rx51_ext_control(codec); + + return 1; +} + +static int rx51_spk_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + if (SND_SOC_DAPM_EVENT_ON(event)) + gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 1); + else + gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 0); + + return 0; +} + +static int rx51_hp_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + struct snd_soc_codec *codec = w->dapm->codec; + + if (SND_SOC_DAPM_EVENT_ON(event)) + tpa6130a2_stereo_enable(codec, 1); + else + tpa6130a2_stereo_enable(codec, 0); + + return 0; +} + +static int rx51_get_input(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = rx51_dmic_func; + + return 0; +} + +static int rx51_set_input(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + + if (rx51_dmic_func == ucontrol->value.integer.value[0]) + return 0; + + rx51_dmic_func = ucontrol->value.integer.value[0]; + rx51_ext_control(codec); + + return 1; +} + +static int rx51_get_jack(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = rx51_jack_func; + + return 0; +} + +static int rx51_set_jack(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + + if (rx51_jack_func == ucontrol->value.integer.value[0]) + return 0; + + rx51_jack_func = ucontrol->value.integer.value[0]; + rx51_ext_control(codec); + + return 1; +} + +static struct snd_soc_jack rx51_av_jack; + +static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = { + { + .gpio = RX51_JACK_DETECT_GPIO, + .name = "avdet-gpio", + .report = SND_JACK_HEADSET, + .invert = 1, + .debounce_time = 200, + }, +}; + +static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = { + SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event), + SND_SOC_DAPM_MIC("DMic", NULL), + SND_SOC_DAPM_HP("Headphone Jack", rx51_hp_event), + SND_SOC_DAPM_MIC("HS Mic", NULL), + SND_SOC_DAPM_LINE("FM Transmitter", NULL), +}; + +static const struct snd_soc_dapm_widget aic34_dapm_widgetsb[] = { + SND_SOC_DAPM_SPK("Earphone", NULL), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + {"Ext Spk", NULL, "HPLOUT"}, + {"Ext Spk", NULL, "HPROUT"}, + {"Headphone Jack", NULL, "LLOUT"}, + {"Headphone Jack", NULL, "RLOUT"}, + {"FM Transmitter", NULL, "LLOUT"}, + {"FM Transmitter", NULL, "RLOUT"}, + + {"DMic Rate 64", NULL, "Mic Bias 2V"}, + {"Mic Bias 2V", NULL, "DMic"}, +}; + +static const struct snd_soc_dapm_route audio_mapb[] = { + {"b LINE2R", NULL, "MONO_LOUT"}, + {"Earphone", NULL, "b HPLOUT"}, + + {"LINE1L", NULL, "b Mic Bias 2.5V"}, + {"b Mic Bias 2.5V", NULL, "HS Mic"} +}; + +static const char *spk_function[] = {"Off", "On"}; +static const char *input_function[] = {"ADC", "Digital Mic"}; +static const char *jack_function[] = {"Off", "TV-OUT", "Headphone", "Headset"}; + +static const struct soc_enum rx51_enum[] = { + SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function), + SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function), + SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function), +}; + +static const struct snd_kcontrol_new aic34_rx51_controls[] = { + SOC_ENUM_EXT("Speaker Function", rx51_enum[0], + rx51_get_spk, rx51_set_spk), + SOC_ENUM_EXT("Input Select", rx51_enum[1], + rx51_get_input, rx51_set_input), + SOC_ENUM_EXT("Jack Function", rx51_enum[2], + rx51_get_jack, rx51_set_jack), + SOC_DAPM_PIN_SWITCH("FM Transmitter"), +}; + +static const struct snd_kcontrol_new aic34_rx51_controlsb[] = { + SOC_DAPM_PIN_SWITCH("Earphone"), +}; + +static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + int err; + + /* Set up NC codec pins */ + snd_soc_dapm_nc_pin(dapm, "MIC3L"); + snd_soc_dapm_nc_pin(dapm, "MIC3R"); + snd_soc_dapm_nc_pin(dapm, "LINE1R"); + + /* Add RX-51 specific controls */ + err = snd_soc_add_controls(codec, aic34_rx51_controls, + ARRAY_SIZE(aic34_rx51_controls)); + if (err < 0) + return err; + + /* Add RX-51 specific widgets */ + snd_soc_dapm_new_controls(dapm, aic34_dapm_widgets, + ARRAY_SIZE(aic34_dapm_widgets)); + + /* Set up RX-51 specific audio path audio_map */ + snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); + + err = tpa6130a2_add_controls(codec); + if (err < 0) + return err; + snd_soc_limit_volume(codec, "TPA6130A2 Headphone Playback Volume", 42); + + err = omap_mcbsp_st_add_controls(codec, 1); + if (err < 0) + return err; + + snd_soc_dapm_sync(dapm); + + /* AV jack detection */ + err = snd_soc_jack_new(codec, "AV Jack", + SND_JACK_HEADSET | SND_JACK_VIDEOOUT, + &rx51_av_jack); + if (err) + return err; + err = snd_soc_jack_add_gpios(&rx51_av_jack, + ARRAY_SIZE(rx51_av_jack_gpios), + rx51_av_jack_gpios); + + return err; +} + +static int rx51_aic34b_init(struct snd_soc_dapm_context *dapm) +{ + int err; + + err = snd_soc_add_controls(dapm->codec, aic34_rx51_controlsb, + ARRAY_SIZE(aic34_rx51_controlsb)); + if (err < 0) + return err; + + err = snd_soc_dapm_new_controls(dapm, aic34_dapm_widgetsb, + ARRAY_SIZE(aic34_dapm_widgetsb)); + if (err < 0) + return 0; + + return snd_soc_dapm_add_routes(dapm, audio_mapb, + ARRAY_SIZE(audio_mapb)); +} + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link rx51_dai[] = { + { + .name = "TLV320AIC34", + .stream_name = "AIC34", + .cpu_dai_name = "omap-mcbsp-dai.1", + .codec_dai_name = "tlv320aic3x-hifi", + .platform_name = "omap-pcm-audio", + .codec_name = "tlv320aic3x-codec.2-0018", + .init = rx51_aic34_init, + .ops = &rx51_ops, + }, +}; + +struct snd_soc_aux_dev rx51_aux_dev[] = { + { + .name = "TLV320AIC34b", + .codec_name = "tlv320aic3x-codec.2-0019", + .init = rx51_aic34b_init, + }, +}; + +static struct snd_soc_codec_conf rx51_codec_conf[] = { + { + .dev_name = "tlv320aic3x-codec.2-0019", + .name_prefix = "b", + }, +}; + +/* Audio card */ +static struct snd_soc_card rx51_sound_card = { + .name = "RX-51", + .dai_link = rx51_dai, + .num_links = ARRAY_SIZE(rx51_dai), + .aux_dev = rx51_aux_dev, + .num_aux_devs = ARRAY_SIZE(rx51_aux_dev), + .codec_conf = rx51_codec_conf, + .num_configs = ARRAY_SIZE(rx51_codec_conf), +}; + +static struct platform_device *rx51_snd_device; + +static int __init rx51_soc_init(void) +{ + int err; + + if (!machine_is_nokia_rx51()) + return -ENODEV; + + err = gpio_request_one(RX51_TVOUT_SEL_GPIO, + GPIOF_DIR_OUT | GPIOF_INIT_LOW, "tvout_sel"); + if (err) + goto err_gpio_tvout_sel; + err = gpio_request_one(RX51_ECI_SW_GPIO, + GPIOF_DIR_OUT | GPIOF_INIT_HIGH, "eci_sw"); + if (err) + goto err_gpio_eci_sw; + + rx51_snd_device = platform_device_alloc("soc-audio", -1); + if (!rx51_snd_device) { + err = -ENOMEM; + goto err1; + } + + platform_set_drvdata(rx51_snd_device, &rx51_sound_card); + + err = platform_device_add(rx51_snd_device); + if (err) + goto err2; + + return 0; +err2: + platform_device_put(rx51_snd_device); +err1: + gpio_free(RX51_ECI_SW_GPIO); +err_gpio_eci_sw: + gpio_free(RX51_TVOUT_SEL_GPIO); +err_gpio_tvout_sel: + + return err; +} + +static void __exit rx51_soc_exit(void) +{ + snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios), + rx51_av_jack_gpios); + + platform_device_unregister(rx51_snd_device); + gpio_free(RX51_ECI_SW_GPIO); + gpio_free(RX51_TVOUT_SEL_GPIO); +} + +module_init(rx51_soc_init); +module_exit(rx51_soc_exit); + +MODULE_AUTHOR("Nokia Corporation"); +MODULE_DESCRIPTION("ALSA SoC Nokia RX-51"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/omap/sdp3430.c b/sound/soc/omap/sdp3430.c new file mode 100644 index 00000000..3f72d17d --- /dev/null +++ b/sound/soc/omap/sdp3430.c @@ -0,0 +1,345 @@ +/* + * sdp3430.c -- SoC audio for TI OMAP3430 SDP + * + * Author: Misael Lopez Cruz <x0052729@ti.com> + * + * Based on: + * Author: Steve Sakoman <steve@sakoman.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <linux/i2c/twl.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <sound/jack.h> + +#include <asm/mach-types.h> +#include <mach/hardware.h> +#include <mach/gpio.h> +#include <plat/mcbsp.h> + +/* Register descriptions for twl4030 codec part */ +#include <linux/mfd/twl4030-codec.h> + +#include "omap-mcbsp.h" +#include "omap-pcm.h" + +/* TWL4030 PMBR1 Register */ +#define TWL4030_INTBR_PMBR1 0x0D +/* TWL4030 PMBR1 Register GPIO6 mux bit */ +#define TWL4030_GPIO6_PWM0_MUTE(value) (value << 2) + +static struct snd_soc_card snd_soc_sdp3430; + +static int sdp3430_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + int ret; + + /* Set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_ERR "can't set codec DAI configuration\n"); + return ret; + } + + /* Set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_ERR "can't set cpu DAI configuration\n"); + return ret; + } + + /* Set the codec system clock for DAC and ADC */ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, + SND_SOC_CLOCK_IN); + if (ret < 0) { + printk(KERN_ERR "can't set codec system clock\n"); + return ret; + } + + return 0; +} + +static struct snd_soc_ops sdp3430_ops = { + .hw_params = sdp3430_hw_params, +}; + +static int sdp3430_hw_voice_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + int ret; + + /* Set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_IB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret) { + printk(KERN_ERR "can't set codec DAI configuration\n"); + return ret; + } + + /* Set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_IB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_ERR "can't set cpu DAI configuration\n"); + return ret; + } + + /* Set the codec system clock for DAC and ADC */ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, + SND_SOC_CLOCK_IN); + if (ret < 0) { + printk(KERN_ERR "can't set codec system clock\n"); + return ret; + } + + return 0; +} + +static struct snd_soc_ops sdp3430_voice_ops = { + .hw_params = sdp3430_hw_voice_params, +}; + +/* Headset jack */ +static struct snd_soc_jack hs_jack; + +/* Headset jack detection DAPM pins */ +static struct snd_soc_jack_pin hs_jack_pins[] = { + { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, + }, + { + .pin = "Headset Stereophone", + .mask = SND_JACK_HEADPHONE, + }, +}; + +/* Headset jack detection gpios */ +static struct snd_soc_jack_gpio hs_jack_gpios[] = { + { + .gpio = (OMAP_MAX_GPIO_LINES + 2), + .name = "hsdet-gpio", + .report = SND_JACK_HEADSET, + .debounce_time = 200, + }, +}; + +/* SDP3430 machine DAPM */ +static const struct snd_soc_dapm_widget sdp3430_twl4030_dapm_widgets[] = { + SND_SOC_DAPM_MIC("Ext Mic", NULL), + SND_SOC_DAPM_SPK("Ext Spk", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_HP("Headset Stereophone", NULL), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + /* External Mics: MAINMIC, SUBMIC with bias*/ + {"MAINMIC", NULL, "Mic Bias 1"}, + {"SUBMIC", NULL, "Mic Bias 2"}, + {"Mic Bias 1", NULL, "Ext Mic"}, + {"Mic Bias 2", NULL, "Ext Mic"}, + + /* External Speakers: HFL, HFR */ + {"Ext Spk", NULL, "HFL"}, + {"Ext Spk", NULL, "HFR"}, + + /* Headset Mic: HSMIC with bias */ + {"HSMIC", NULL, "Headset Mic Bias"}, + {"Headset Mic Bias", NULL, "Headset Mic"}, + + /* Headset Stereophone (Headphone): HSOL, HSOR */ + {"Headset Stereophone", NULL, "HSOL"}, + {"Headset Stereophone", NULL, "HSOR"}, +}; + +static int sdp3430_twl4030_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + int ret; + + /* Add SDP3430 specific widgets */ + ret = snd_soc_dapm_new_controls(dapm, sdp3430_twl4030_dapm_widgets, + ARRAY_SIZE(sdp3430_twl4030_dapm_widgets)); + if (ret) + return ret; + + /* Set up SDP3430 specific audio path audio_map */ + snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); + + /* SDP3430 connected pins */ + snd_soc_dapm_enable_pin(dapm, "Ext Mic"); + snd_soc_dapm_enable_pin(dapm, "Ext Spk"); + snd_soc_dapm_disable_pin(dapm, "Headset Mic"); + snd_soc_dapm_disable_pin(dapm, "Headset Stereophone"); + + /* TWL4030 not connected pins */ + snd_soc_dapm_nc_pin(dapm, "AUXL"); + snd_soc_dapm_nc_pin(dapm, "AUXR"); + snd_soc_dapm_nc_pin(dapm, "CARKITMIC"); + snd_soc_dapm_nc_pin(dapm, "DIGIMIC0"); + snd_soc_dapm_nc_pin(dapm, "DIGIMIC1"); + + snd_soc_dapm_nc_pin(dapm, "OUTL"); + snd_soc_dapm_nc_pin(dapm, "OUTR"); + snd_soc_dapm_nc_pin(dapm, "EARPIECE"); + snd_soc_dapm_nc_pin(dapm, "PREDRIVEL"); + snd_soc_dapm_nc_pin(dapm, "PREDRIVER"); + snd_soc_dapm_nc_pin(dapm, "CARKITL"); + snd_soc_dapm_nc_pin(dapm, "CARKITR"); + + ret = snd_soc_dapm_sync(dapm); + if (ret) + return ret; + + /* Headset jack detection */ + ret = snd_soc_jack_new(codec, "Headset Jack", + SND_JACK_HEADSET, &hs_jack); + if (ret) + return ret; + + ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins), + hs_jack_pins); + if (ret) + return ret; + + ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), + hs_jack_gpios); + + return ret; +} + +static int sdp3430_twl4030_voice_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + unsigned short reg; + + /* Enable voice interface */ + reg = codec->driver->read(codec, TWL4030_REG_VOICE_IF); + reg |= TWL4030_VIF_DIN_EN | TWL4030_VIF_DOUT_EN | TWL4030_VIF_EN; + codec->driver->write(codec, TWL4030_REG_VOICE_IF, reg); + + return 0; +} + + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link sdp3430_dai[] = { + { + .name = "TWL4030 I2S", + .stream_name = "TWL4030 Audio", + .cpu_dai_name = "omap-mcbsp-dai.1", + .codec_dai_name = "twl4030-hifi", + .platform_name = "omap-pcm-audio", + .codec_name = "twl4030-codec", + .init = sdp3430_twl4030_init, + .ops = &sdp3430_ops, + }, + { + .name = "TWL4030 PCM", + .stream_name = "TWL4030 Voice", + .cpu_dai_name = "omap-mcbsp-dai.2", + .codec_dai_name = "twl4030-voice", + .platform_name = "omap-pcm-audio", + .codec_name = "twl4030-codec", + .init = sdp3430_twl4030_voice_init, + .ops = &sdp3430_voice_ops, + }, +}; + +/* Audio machine driver */ +static struct snd_soc_card snd_soc_sdp3430 = { + .name = "SDP3430", + .dai_link = sdp3430_dai, + .num_links = ARRAY_SIZE(sdp3430_dai), +}; + +static struct platform_device *sdp3430_snd_device; + +static int __init sdp3430_soc_init(void) +{ + int ret; + u8 pin_mux; + + if (!machine_is_omap_3430sdp()) + return -ENODEV; + printk(KERN_INFO "SDP3430 SoC init\n"); + + sdp3430_snd_device = platform_device_alloc("soc-audio", -1); + if (!sdp3430_snd_device) { + printk(KERN_ERR "Platform device allocation failed\n"); + return -ENOMEM; + } + + platform_set_drvdata(sdp3430_snd_device, &snd_soc_sdp3430); + + /* Set TWL4030 GPIO6 as EXTMUTE signal */ + twl_i2c_read_u8(TWL4030_MODULE_INTBR, &pin_mux, + TWL4030_INTBR_PMBR1); + pin_mux &= ~TWL4030_GPIO6_PWM0_MUTE(0x03); + pin_mux |= TWL4030_GPIO6_PWM0_MUTE(0x02); + twl_i2c_write_u8(TWL4030_MODULE_INTBR, pin_mux, + TWL4030_INTBR_PMBR1); + + ret = platform_device_add(sdp3430_snd_device); + if (ret) + goto err1; + + return 0; + +err1: + printk(KERN_ERR "Unable to add platform device\n"); + platform_device_put(sdp3430_snd_device); + + return ret; +} +module_init(sdp3430_soc_init); + +static void __exit sdp3430_soc_exit(void) +{ + snd_soc_jack_free_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), + hs_jack_gpios); + + platform_device_unregister(sdp3430_snd_device); +} +module_exit(sdp3430_soc_exit); + +MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>"); +MODULE_DESCRIPTION("ALSA SoC SDP3430"); +MODULE_LICENSE("GPL"); + diff --git a/sound/soc/omap/sdp4430.c b/sound/soc/omap/sdp4430.c new file mode 100644 index 00000000..189e0390 --- /dev/null +++ b/sound/soc/omap/sdp4430.c @@ -0,0 +1,261 @@ +/* + * sdp4430.c -- SoC audio for TI OMAP4430 SDP + * + * Author: Misael Lopez Cruz <x0052729@ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <sound/jack.h> + +#include <asm/mach-types.h> +#include <plat/hardware.h> +#include <plat/mux.h> + +#include "mcpdm.h" +#include "omap-pcm.h" +#include "../codecs/twl6040.h" + +static int twl6040_power_mode; + +static int sdp4430_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + int clk_id, freq; + int ret; + + if (twl6040_power_mode) { + clk_id = TWL6040_SYSCLK_SEL_HPPLL; + freq = 38400000; + } else { + clk_id = TWL6040_SYSCLK_SEL_LPPLL; + freq = 32768; + } + + /* set the codec mclk */ + ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq, + SND_SOC_CLOCK_IN); + if (ret) { + printk(KERN_ERR "can't set codec system clock\n"); + return ret; + } + return ret; +} + +static struct snd_soc_ops sdp4430_ops = { + .hw_params = sdp4430_hw_params, +}; + +/* Headset jack */ +static struct snd_soc_jack hs_jack; + +/*Headset jack detection DAPM pins */ +static struct snd_soc_jack_pin hs_jack_pins[] = { + { + .pin = "Headset Mic", + .mask = SND_JACK_MICROPHONE, + }, + { + .pin = "Headset Stereophone", + .mask = SND_JACK_HEADPHONE, + }, +}; + +static int sdp4430_get_power_mode(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.integer.value[0] = twl6040_power_mode; + return 0; +} + +static int sdp4430_set_power_mode(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + if (twl6040_power_mode == ucontrol->value.integer.value[0]) + return 0; + + twl6040_power_mode = ucontrol->value.integer.value[0]; + + return 1; +} + +static const char *power_texts[] = {"Low-Power", "High-Performance"}; + +static const struct soc_enum sdp4430_enum[] = { + SOC_ENUM_SINGLE_EXT(2, power_texts), +}; + +static const struct snd_kcontrol_new sdp4430_controls[] = { + SOC_ENUM_EXT("TWL6040 Power Mode", sdp4430_enum[0], + sdp4430_get_power_mode, sdp4430_set_power_mode), +}; + +/* SDP4430 machine DAPM */ +static const struct snd_soc_dapm_widget sdp4430_twl6040_dapm_widgets[] = { + SND_SOC_DAPM_MIC("Ext Mic", NULL), + SND_SOC_DAPM_SPK("Ext Spk", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_HP("Headset Stereophone", NULL), + SND_SOC_DAPM_SPK("Earphone Spk", NULL), + SND_SOC_DAPM_INPUT("Aux/FM Stereo In"), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + /* External Mics: MAINMIC, SUBMIC with bias*/ + {"MAINMIC", NULL, "Main Mic Bias"}, + {"SUBMIC", NULL, "Main Mic Bias"}, + {"Main Mic Bias", NULL, "Ext Mic"}, + + /* External Speakers: HFL, HFR */ + {"Ext Spk", NULL, "HFL"}, + {"Ext Spk", NULL, "HFR"}, + + /* Headset Mic: HSMIC with bias */ + {"HSMIC", NULL, "Headset Mic Bias"}, + {"Headset Mic Bias", NULL, "Headset Mic"}, + + /* Headset Stereophone (Headphone): HSOL, HSOR */ + {"Headset Stereophone", NULL, "HSOL"}, + {"Headset Stereophone", NULL, "HSOR"}, + + /* Earphone speaker */ + {"Earphone Spk", NULL, "EP"}, + + /* Aux/FM Stereo In: AFML, AFMR */ + {"AFML", NULL, "Aux/FM Stereo In"}, + {"AFMR", NULL, "Aux/FM Stereo In"}, +}; + +static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + int ret; + + /* Add SDP4430 specific controls */ + ret = snd_soc_add_controls(codec, sdp4430_controls, + ARRAY_SIZE(sdp4430_controls)); + if (ret) + return ret; + + /* Add SDP4430 specific widgets */ + ret = snd_soc_dapm_new_controls(dapm, sdp4430_twl6040_dapm_widgets, + ARRAY_SIZE(sdp4430_twl6040_dapm_widgets)); + if (ret) + return ret; + + /* Set up SDP4430 specific audio path audio_map */ + snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); + + /* SDP4430 connected pins */ + snd_soc_dapm_enable_pin(dapm, "Ext Mic"); + snd_soc_dapm_enable_pin(dapm, "Ext Spk"); + snd_soc_dapm_enable_pin(dapm, "AFML"); + snd_soc_dapm_enable_pin(dapm, "AFMR"); + snd_soc_dapm_enable_pin(dapm, "Headset Mic"); + snd_soc_dapm_enable_pin(dapm, "Headset Stereophone"); + + ret = snd_soc_dapm_sync(dapm); + if (ret) + return ret; + + /* Headset jack detection */ + ret = snd_soc_jack_new(codec, "Headset Jack", + SND_JACK_HEADSET, &hs_jack); + if (ret) + return ret; + + ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins), + hs_jack_pins); + + if (machine_is_omap_4430sdp()) + twl6040_hs_jack_detect(codec, &hs_jack, SND_JACK_HEADSET); + else + snd_soc_jack_report(&hs_jack, SND_JACK_HEADSET, SND_JACK_HEADSET); + + return ret; +} + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link sdp4430_dai = { + .name = "TWL6040", + .stream_name = "TWL6040", + .cpu_dai_name ="omap-mcpdm-dai", + .codec_dai_name = "twl6040-hifi", + .platform_name = "omap-pcm-audio", + .codec_name = "twl6040-codec", + .init = sdp4430_twl6040_init, + .ops = &sdp4430_ops, +}; + +/* Audio machine driver */ +static struct snd_soc_card snd_soc_sdp4430 = { + .name = "SDP4430", + .dai_link = &sdp4430_dai, + .num_links = 1, +}; + +static struct platform_device *sdp4430_snd_device; + +static int __init sdp4430_soc_init(void) +{ + int ret; + + if (!machine_is_omap_4430sdp()) + return -ENODEV; + printk(KERN_INFO "SDP4430 SoC init\n"); + + sdp4430_snd_device = platform_device_alloc("soc-audio", -1); + if (!sdp4430_snd_device) { + printk(KERN_ERR "Platform device allocation failed\n"); + return -ENOMEM; + } + + platform_set_drvdata(sdp4430_snd_device, &snd_soc_sdp4430); + + ret = platform_device_add(sdp4430_snd_device); + if (ret) + goto err; + + /* Codec starts in HP mode */ + twl6040_power_mode = 1; + + return 0; + +err: + printk(KERN_ERR "Unable to add platform device\n"); + platform_device_put(sdp4430_snd_device); + return ret; +} +module_init(sdp4430_soc_init); + +static void __exit sdp4430_soc_exit(void) +{ + platform_device_unregister(sdp4430_snd_device); +} +module_exit(sdp4430_soc_exit); + +MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>"); +MODULE_DESCRIPTION("ALSA SoC SDP4430"); +MODULE_LICENSE("GPL"); + diff --git a/sound/soc/omap/zoom2.c b/sound/soc/omap/zoom2.c new file mode 100644 index 00000000..01709940 --- /dev/null +++ b/sound/soc/omap/zoom2.c @@ -0,0 +1,291 @@ +/* + * zoom2.c -- SoC audio for Zoom2 + * + * Author: Misael Lopez Cruz <x0052729@ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * 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 St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include <asm/mach-types.h> +#include <mach/hardware.h> +#include <mach/gpio.h> +#include <mach/board-zoom.h> +#include <plat/mcbsp.h> + +/* Register descriptions for twl4030 codec part */ +#include <linux/mfd/twl4030-codec.h> + +#include "omap-mcbsp.h" +#include "omap-pcm.h" + +#define ZOOM2_HEADSET_MUX_GPIO (OMAP_MAX_GPIO_LINES + 15) + +static int zoom2_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + int ret; + + /* Set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_ERR "can't set codec DAI configuration\n"); + return ret; + } + + /* Set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_ERR "can't set cpu DAI configuration\n"); + return ret; + } + + /* Set the codec system clock for DAC and ADC */ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, + SND_SOC_CLOCK_IN); + if (ret < 0) { + printk(KERN_ERR "can't set codec system clock\n"); + return ret; + } + + return 0; +} + +static struct snd_soc_ops zoom2_ops = { + .hw_params = zoom2_hw_params, +}; + +static int zoom2_hw_voice_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + int ret; + + /* Set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, + SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_IB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret) { + printk(KERN_ERR "can't set codec DAI configuration\n"); + return ret; + } + + /* Set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, + SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_IB_NF | + SND_SOC_DAIFMT_CBM_CFM); + if (ret < 0) { + printk(KERN_ERR "can't set cpu DAI configuration\n"); + return ret; + } + + /* Set the codec system clock for DAC and ADC */ + ret = snd_soc_dai_set_sysclk(codec_dai, 0, 26000000, + SND_SOC_CLOCK_IN); + if (ret < 0) { + printk(KERN_ERR "can't set codec system clock\n"); + return ret; + } + + return 0; +} + +static struct snd_soc_ops zoom2_voice_ops = { + .hw_params = zoom2_hw_voice_params, +}; + +/* Zoom2 machine DAPM */ +static const struct snd_soc_dapm_widget zoom2_twl4030_dapm_widgets[] = { + SND_SOC_DAPM_MIC("Ext Mic", NULL), + SND_SOC_DAPM_SPK("Ext Spk", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_HP("Headset Stereophone", NULL), + SND_SOC_DAPM_LINE("Aux In", NULL), +}; + +static const struct snd_soc_dapm_route audio_map[] = { + /* External Mics: MAINMIC, SUBMIC with bias*/ + {"MAINMIC", NULL, "Mic Bias 1"}, + {"SUBMIC", NULL, "Mic Bias 2"}, + {"Mic Bias 1", NULL, "Ext Mic"}, + {"Mic Bias 2", NULL, "Ext Mic"}, + + /* External Speakers: HFL, HFR */ + {"Ext Spk", NULL, "HFL"}, + {"Ext Spk", NULL, "HFR"}, + + /* Headset Stereophone: HSOL, HSOR */ + {"Headset Stereophone", NULL, "HSOL"}, + {"Headset Stereophone", NULL, "HSOR"}, + + /* Headset Mic: HSMIC with bias */ + {"HSMIC", NULL, "Headset Mic Bias"}, + {"Headset Mic Bias", NULL, "Headset Mic"}, + + /* Aux In: AUXL, AUXR */ + {"Aux In", NULL, "AUXL"}, + {"Aux In", NULL, "AUXR"}, +}; + +static int zoom2_twl4030_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; + int ret; + + /* Add Zoom2 specific widgets */ + ret = snd_soc_dapm_new_controls(dapm, zoom2_twl4030_dapm_widgets, + ARRAY_SIZE(zoom2_twl4030_dapm_widgets)); + if (ret) + return ret; + + /* Set up Zoom2 specific audio path audio_map */ + snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); + + /* Zoom2 connected pins */ + snd_soc_dapm_enable_pin(dapm, "Ext Mic"); + snd_soc_dapm_enable_pin(dapm, "Ext Spk"); + snd_soc_dapm_enable_pin(dapm, "Headset Mic"); + snd_soc_dapm_enable_pin(dapm, "Headset Stereophone"); + snd_soc_dapm_enable_pin(dapm, "Aux In"); + + /* TWL4030 not connected pins */ + snd_soc_dapm_nc_pin(dapm, "CARKITMIC"); + snd_soc_dapm_nc_pin(dapm, "DIGIMIC0"); + snd_soc_dapm_nc_pin(dapm, "DIGIMIC1"); + snd_soc_dapm_nc_pin(dapm, "EARPIECE"); + snd_soc_dapm_nc_pin(dapm, "PREDRIVEL"); + snd_soc_dapm_nc_pin(dapm, "PREDRIVER"); + snd_soc_dapm_nc_pin(dapm, "CARKITL"); + snd_soc_dapm_nc_pin(dapm, "CARKITR"); + + ret = snd_soc_dapm_sync(dapm); + + return ret; +} + +static int zoom2_twl4030_voice_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + unsigned short reg; + + /* Enable voice interface */ + reg = codec->driver->read(codec, TWL4030_REG_VOICE_IF); + reg |= TWL4030_VIF_DIN_EN | TWL4030_VIF_DOUT_EN | TWL4030_VIF_EN; + codec->driver->write(codec, TWL4030_REG_VOICE_IF, reg); + + return 0; +} + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link zoom2_dai[] = { + { + .name = "TWL4030 I2S", + .stream_name = "TWL4030 Audio", + .cpu_dai_name = "omap-mcbsp-dai.1", + .codec_dai_name = "twl4030-hifi", + .platform_name = "omap-pcm-audio", + .codec_name = "twl4030-codec", + .init = zoom2_twl4030_init, + .ops = &zoom2_ops, + }, + { + .name = "TWL4030 PCM", + .stream_name = "TWL4030 Voice", + .cpu_dai_name = "omap-mcbsp-dai.2", + .codec_dai_name = "twl4030-voice", + .platform_name = "omap-pcm-audio", + .codec_name = "twl4030-codec", + .init = zoom2_twl4030_voice_init, + .ops = &zoom2_voice_ops, + }, +}; + +/* Audio machine driver */ +static struct snd_soc_card snd_soc_zoom2 = { + .name = "Zoom2", + .dai_link = zoom2_dai, + .num_links = ARRAY_SIZE(zoom2_dai), +}; + +static struct platform_device *zoom2_snd_device; + +static int __init zoom2_soc_init(void) +{ + int ret; + + if (!machine_is_omap_zoom2()) + return -ENODEV; + printk(KERN_INFO "Zoom2 SoC init\n"); + + zoom2_snd_device = platform_device_alloc("soc-audio", -1); + if (!zoom2_snd_device) { + printk(KERN_ERR "Platform device allocation failed\n"); + return -ENOMEM; + } + + platform_set_drvdata(zoom2_snd_device, &snd_soc_zoom2); + ret = platform_device_add(zoom2_snd_device); + if (ret) + goto err1; + + BUG_ON(gpio_request(ZOOM2_HEADSET_MUX_GPIO, "hs_mux") < 0); + gpio_direction_output(ZOOM2_HEADSET_MUX_GPIO, 0); + + BUG_ON(gpio_request(ZOOM2_HEADSET_EXTMUTE_GPIO, "ext_mute") < 0); + gpio_direction_output(ZOOM2_HEADSET_EXTMUTE_GPIO, 0); + + return 0; + +err1: + printk(KERN_ERR "Unable to add platform device\n"); + platform_device_put(zoom2_snd_device); + + return ret; +} +module_init(zoom2_soc_init); + +static void __exit zoom2_soc_exit(void) +{ + gpio_free(ZOOM2_HEADSET_MUX_GPIO); + gpio_free(ZOOM2_HEADSET_EXTMUTE_GPIO); + + platform_device_unregister(zoom2_snd_device); +} +module_exit(zoom2_soc_exit); + +MODULE_AUTHOR("Misael Lopez Cruz <x0052729@ti.com>"); +MODULE_DESCRIPTION("ALSA SoC Zoom2"); +MODULE_LICENSE("GPL"); + |