diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/omap/zoom2.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/omap/zoom2.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/ANDROID_3.4.5/sound/soc/omap/zoom2.c b/ANDROID_3.4.5/sound/soc/omap/zoom2.c deleted file mode 100644 index 920e0d9e..00000000 --- a/ANDROID_3.4.5/sound/soc/omap/zoom2.c +++ /dev/null @@ -1,219 +0,0 @@ -/* - * 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-audio.h> -#include <linux/module.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; - 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 zoom2_ops = { - .hw_params = zoom2_hw_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; - - /* 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"); - - return 0; -} - -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.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 = zoom2_twl4030_init, - .ops = &zoom2_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 = zoom2_twl4030_voice_init, - .ops = &zoom2_ops, - }, -}; - -/* Audio machine driver */ -static struct snd_soc_card snd_soc_zoom2 = { - .name = "Zoom2", - .owner = THIS_MODULE, - .dai_link = zoom2_dai, - .num_links = ARRAY_SIZE(zoom2_dai), - - .dapm_widgets = zoom2_twl4030_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(zoom2_twl4030_dapm_widgets), - .dapm_routes = audio_map, - .num_dapm_routes = ARRAY_SIZE(audio_map), -}; - -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"); - |