From b8c9d2b0cec0f8e6a25749f1ab50f59ad7480e8d Mon Sep 17 00:00:00 2001 From: Gregoire Gentil Date: Wed, 31 Mar 2010 11:14:04 +0200 Subject: [PATCH 14/16] ASoC: add driver for omap3-touchbook --- sound/soc/omap/Kconfig | 8 + sound/soc/omap/Makefile | 2 + sound/soc/omap/omap3touchbook.c | 285 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 295 insertions(+), 0 deletions(-) create mode 100644 sound/soc/omap/omap3touchbook.c diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig index 61952aa..a7c06ab 100644 --- a/sound/soc/omap/Kconfig +++ b/sound/soc/omap/Kconfig @@ -101,6 +101,14 @@ config SND_OMAP_SOC_OMAP3_BEAGLE help Say Y if you want to add support for SoC audio on the Beagleboard. +config SND_OMAP_SOC_OMAP3_TOUCHBOOK + tristate "SoC Audio support for OMAP3 Touch Book" + depends on TWL4030_CORE && SND_OMAP_SOC && MACH_OMAP3_TOUCHBOOK + select SND_OMAP_SOC_MCBSP + select SND_SOC_TWL4030 + help + Say Y if you want to add support for SoC audio on the Touch Book. + config SND_OMAP_SOC_ZOOM2 tristate "SoC Audio support for Zoom2" depends on TWL4030_CORE && SND_OMAP_SOC && MACH_OMAP_ZOOM2 diff --git a/sound/soc/omap/Makefile b/sound/soc/omap/Makefile index 19283e5..e3f172f 100644 --- a/sound/soc/omap/Makefile +++ b/sound/soc/omap/Makefile @@ -16,6 +16,7 @@ snd-soc-am3517evm-objs := am3517evm.o snd-soc-sdp3430-objs := sdp3430.o snd-soc-omap3pandora-objs := omap3pandora.o snd-soc-omap3beagle-objs := omap3beagle.o +snd-soc-omap3touchbook-objs := omap3touchbook.o snd-soc-zoom2-objs := zoom2.o snd-soc-igep0020-objs := igep0020.o @@ -29,5 +30,6 @@ obj-$(CONFIG_SND_OMAP_SOC_AM3517EVM) += snd-soc-am3517evm.o obj-$(CONFIG_SND_OMAP_SOC_SDP3430) += snd-soc-sdp3430.o obj-$(CONFIG_SND_OMAP_SOC_OMAP3_PANDORA) += snd-soc-omap3pandora.o obj-$(CONFIG_SND_OMAP_SOC_OMAP3_BEAGLE) += snd-soc-omap3beagle.o +obj-$(CONFIG_SND_OMAP_SOC_OMAP3_TOUCHBOOK) += snd-soc-omap3touchbook.o obj-$(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/omap3touchbook.c b/sound/soc/omap/omap3touchbook.c new file mode 100644 index 0000000..4e81f3e --- /dev/null +++ b/sound/soc/omap/omap3touchbook.c @@ -0,0 +1,285 @@ +/* + * omap3touchbook.c -- SoC audio for Touch Book + * + * Copyright (C) 2009-2010 Always Innovating + * + * Author: Gregoire Gentil + * + * Based on: + * Author: Steve Sakoman + * Author: Misael Lopez Cruz + * + * 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 +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include "omap-mcbsp.h" +#include "omap-pcm.h" +#include "../codecs/twl4030.h" + +static struct snd_soc_card snd_soc_omap3touchbook; + +static int omap3touchbook_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->dai->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->dai->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 omap3touchbook_ops = { + .hw_params = omap3touchbook_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, + }, +}; + +/* Headset jack detection gpios */ +static struct snd_soc_jack_gpio hs_jack_gpios[] = { + { + .gpio = 56, + .name = "hsdet-gpio", + .report = SND_JACK_HEADSET, + .debounce_time = 200, + }, +}; + +/* omap3touchbook machine DAPM */ +static const struct snd_soc_dapm_widget omap3touchbook_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 omap3touchbook_twl4030_init(struct snd_soc_codec *codec) +{ + int ret; + + /* Add omap3touchbook specific widgets */ + ret = snd_soc_dapm_new_controls(codec, omap3touchbook_twl4030_dapm_widgets, + ARRAY_SIZE(omap3touchbook_twl4030_dapm_widgets)); + if (ret) + return ret; + + /* Set up omap3touchbook specific audio path audio_map */ + snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); + + /* omap3touchbook connected pins */ + snd_soc_dapm_enable_pin(codec, "Ext Mic"); + snd_soc_dapm_enable_pin(codec, "Ext Spk"); + snd_soc_dapm_disable_pin(codec, "Headset Mic"); + snd_soc_dapm_disable_pin(codec, "Headset Stereophone"); + + /* TWL4030 not connected pins */ + snd_soc_dapm_nc_pin(codec, "CARKITMIC"); + snd_soc_dapm_nc_pin(codec, "DIGIMIC0"); + snd_soc_dapm_nc_pin(codec, "DIGIMIC1"); + snd_soc_dapm_nc_pin(codec, "OUTL"); + snd_soc_dapm_nc_pin(codec, "OUTR"); + snd_soc_dapm_nc_pin(codec, "EARPIECE"); + snd_soc_dapm_nc_pin(codec, "PREDRIVEL"); + snd_soc_dapm_nc_pin(codec, "PREDRIVER"); + snd_soc_dapm_nc_pin(codec, "CARKITL"); + snd_soc_dapm_nc_pin(codec, "CARKITR"); + + ret = snd_soc_dapm_sync(codec); + if (ret) + return ret; + + /* Headset jack detection */ + ret = snd_soc_jack_new(&snd_soc_omap3touchbook, "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; +} + +/* Digital audio interface glue - connects codec <--> CPU */ +static struct snd_soc_dai_link omap3touchbook_dai = { + .name = "TWL4030 I2S", + .stream_name = "TWL4030 Audio", + .cpu_dai = &omap_mcbsp_dai[0], + .codec_dai = &twl4030_dai[TWL4030_DAI_HIFI], + .init = omap3touchbook_twl4030_init, + .ops = &omap3touchbook_ops, +}; + +/* Audio machine driver */ +static struct snd_soc_card snd_soc_omap3touchbook = { + .name = "omap3touchbook", + .platform = &omap_soc_platform, + .dai_link = &omap3touchbook_dai, + .num_links = 1, +}; + +/* twl4030 setup */ +static struct twl4030_setup_data twl4030_setup = { + .ramp_delay_value = 3, + .sysclk = 26000, + .hs_extmute = 1, +}; + +/* Audio subsystem */ +static struct snd_soc_device omap3touchbook_snd_devdata = { + .card = &snd_soc_omap3touchbook, + .codec_dev = &soc_codec_dev_twl4030, + .codec_data = &twl4030_setup, +}; + +static struct platform_device *omap3touchbook_snd_device; + +static int __init omap3touchbook_soc_init(void) +{ + int ret; + u8 pin_mux; + + if (!machine_is_touchbook()) { + pr_debug("Not Touch Book!\n"); + //return -ENODEV; + } + printk(KERN_INFO "Touch Book SoC init\n"); + + omap3touchbook_snd_device = platform_device_alloc("soc-audio", -1); + if (!omap3touchbook_snd_device) { + printk(KERN_ERR "Platform device allocation failed\n"); + return -ENOMEM; + } + + platform_set_drvdata(omap3touchbook_snd_device, &omap3touchbook_snd_devdata); + omap3touchbook_snd_devdata.dev = &omap3touchbook_snd_device->dev; + *(unsigned int *)omap3touchbook_dai.cpu_dai->private_data = 1; /* McBSP2 */ + + ret = platform_device_add(omap3touchbook_snd_device); + if (ret) + goto err1; + + return 0; + +err1: + printk(KERN_ERR "Unable to add platform device\n"); + platform_device_put(omap3touchbook_snd_device); + + return ret; +} +module_init(omap3touchbook_soc_init); + +static void __exit omap3touchbook_soc_exit(void) +{ + snd_soc_jack_free_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), + hs_jack_gpios); + + platform_device_unregister(omap3touchbook_snd_device); +} +module_exit(omap3touchbook_soc_exit); + +MODULE_AUTHOR("Gregoire Gentil "); +MODULE_LICENSE("GPL"); -- 1.6.6.1