diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/omap/omap3pandora.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/omap/omap3pandora.c | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/ANDROID_3.4.5/sound/soc/omap/omap3pandora.c b/ANDROID_3.4.5/sound/soc/omap/omap3pandora.c deleted file mode 100644 index 4c3a0978..00000000 --- a/ANDROID_3.4.5/sound/soc/omap/omap3pandora.c +++ /dev/null @@ -1,325 +0,0 @@ -/* - * omap3pandora.c -- SoC audio for Pandora Handheld Console - * - * Author: GraÅžvydas 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 <linux/module.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 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; - - return snd_soc_dapm_add_routes(dapm, omap3pandora_out_map, - ARRAY_SIZE(omap3pandora_out_map)); -} - -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; - - return snd_soc_dapm_add_routes(dapm, omap3pandora_in_map, - ARRAY_SIZE(omap3pandora_in_map)); -} - -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.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_CBS_CFS, - .ops = &omap3pandora_ops, - .init = omap3pandora_out_init, - }, { - .name = "TWL4030", - .stream_name = "Line/Mic In", - .cpu_dai_name = "omap-mcbsp.4", - .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_CBS_CFS, - .ops = &omap3pandora_ops, - .init = omap3pandora_in_init, - } -}; - -/* SoC card */ -static struct snd_soc_card snd_soc_card_omap3pandora = { - .name = "omap3pandora", - .owner = THIS_MODULE, - .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"); |