diff options
Diffstat (limited to 'sound/soc/omap/sdp3430.c')
| -rw-r--r-- | sound/soc/omap/sdp3430.c | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/sound/soc/omap/sdp3430.c b/sound/soc/omap/sdp3430.c deleted file mode 100644 index b462a2c9385f..000000000000 --- a/sound/soc/omap/sdp3430.c +++ /dev/null @@ -1,278 +0,0 @@ -/* - * 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 <linux/platform_data/gpio-omap.h> -#include <linux/platform_data/asoc-ti-mcbsp.h> - -/* Register descriptions for twl4030 codec part */ -#include <linux/mfd/twl4030-audio.h> -#include <linux/module.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; - int 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, -}; - -/* 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; - - /* 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"); - - /* 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.2", - .codec_dai_name = "twl4030-hifi", - .platform_name = "omap-pcm-audio", - .codec_name = "twl4030-codec", - .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBM_CFM, - .init = sdp3430_twl4030_init, - .ops = &sdp3430_ops, - }, - { - .name = "TWL4030 PCM", - .stream_name = "TWL4030 Voice", - .cpu_dai_name = "omap-mcbsp.3", - .codec_dai_name = "twl4030-voice", - .platform_name = "omap-pcm-audio", - .codec_name = "twl4030-codec", - .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF | - SND_SOC_DAIFMT_CBM_CFM, - .init = sdp3430_twl4030_voice_init, - .ops = &sdp3430_ops, - }, -}; - -/* Audio machine driver */ -static struct snd_soc_card snd_soc_sdp3430 = { - .name = "SDP3430", - .owner = THIS_MODULE, - .dai_link = sdp3430_dai, - .num_links = ARRAY_SIZE(sdp3430_dai), - - .dapm_widgets = sdp3430_twl4030_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(sdp3430_twl4030_dapm_widgets), - .dapm_routes = audio_map, - .num_dapm_routes = ARRAY_SIZE(audio_map), -}; - -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"); - |