diff options
Diffstat (limited to 'sound/soc/omap/omap3pandora.c')
| -rw-r--r-- | sound/soc/omap/omap3pandora.c | 220 |
1 files changed, 102 insertions, 118 deletions
diff --git a/sound/soc/omap/omap3pandora.c b/sound/soc/omap/omap3pandora.c index fe282d4ef42..076bec606d7 100644 --- a/sound/soc/omap/omap3pandora.c +++ b/sound/soc/omap/omap3pandora.c @@ -23,42 +23,33 @@ #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 <sound/soc-dapm.h> #include <asm/mach-types.h> +#include <linux/platform_data/asoc-ti-mcbsp.h> #include "omap-mcbsp.h" -#include "omap-pcm.h" -#include "../codecs/twl4030.h" #define OMAP3_PANDORA_DAC_POWER_GPIO 118 #define OMAP3_PANDORA_AMP_POWER_GPIO 14 #define PREFIX "ASoC omap3pandora: " -static int omap3pandora_cmn_hw_params(struct snd_soc_dai *codec_dai, - struct snd_soc_dai *cpu_dai, unsigned int fmt) +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 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); @@ -68,8 +59,9 @@ static int omap3pandora_cmn_hw_params(struct snd_soc_dai *codec_dai, } /* Set McBSP clock to external */ - ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_SYSCLK_CLKS_EXT, 0, - SND_SOC_CLOCK_IN); + 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; @@ -84,43 +76,39 @@ static int omap3pandora_cmn_hw_params(struct snd_soc_dai *codec_dai, return 0; } -static int omap3pandora_out_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) +static int omap3pandora_dac_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) { - 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; - - return omap3pandora_cmn_hw_params(codec_dai, cpu_dai, - SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_IB_NF | - SND_SOC_DAIFMT_CBS_CFS); -} + int ret; -static int omap3pandora_in_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; + /* + * 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)) { + ret = regulator_enable(omap3pandora_dac_reg); + if (ret) { + dev_err(w->dapm->dev, "Failed to power DAC: %d\n", ret); + return ret; + } + 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 omap3pandora_cmn_hw_params(codec_dai, cpu_dai, - SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS); + 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_DAC_POWER_GPIO, 1); + if (SND_SOC_DAPM_EVENT_ON(event)) gpio_set_value(OMAP3_PANDORA_AMP_POWER_GPIO, 1); - } else { + else gpio_set_value(OMAP3_PANDORA_AMP_POWER_GPIO, 0); - mdelay(1); - gpio_set_value(OMAP3_PANDORA_DAC_POWER_GPIO, 0); - } return 0; } @@ -133,93 +121,73 @@ static int omap3pandora_hp_event(struct snd_soc_dapm_widget *w, * |A| <~~clk~~+ * |P| <--- TWL4030 <--------- Line In and MICs */ -static const struct snd_soc_dapm_widget omap3pandora_out_dapm_widgets[] = { - SND_SOC_DAPM_DAC("PCM DAC", "Playback", SND_SOC_NOPM, 0, 0), +static const struct snd_soc_dapm_widget omap3pandora_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[] = { +static const struct snd_soc_dapm_route omap3pandora_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)"}, + {"MAINMIC", NULL, "Mic (internal)"}, + {"Mic (internal)", NULL, "Mic Bias 1"}, - {"SUBMIC", NULL, "Mic Bias 2"}, - {"Mic Bias 2", NULL, "Mic (external)"}, + {"SUBMIC", NULL, "Mic (external)"}, + {"Mic (external)", NULL, "Mic Bias 2"}, }; -static int omap3pandora_out_init(struct snd_soc_codec *codec) +static int omap3pandora_out_init(struct snd_soc_pcm_runtime *rtd) { - int ret; + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; /* All TWL4030 output pins are floating */ - 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, "HSOL"); - snd_soc_dapm_nc_pin(codec, "HSOR"); - snd_soc_dapm_nc_pin(codec, "CARKITL"); - snd_soc_dapm_nc_pin(codec, "CARKITR"); - snd_soc_dapm_nc_pin(codec, "HFL"); - snd_soc_dapm_nc_pin(codec, "HFR"); - - ret = snd_soc_dapm_new_controls(codec, omap3pandora_out_dapm_widgets, - ARRAY_SIZE(omap3pandora_out_dapm_widgets)); - if (ret < 0) - return ret; - - snd_soc_dapm_add_routes(codec, omap3pandora_out_map, - ARRAY_SIZE(omap3pandora_out_map)); + 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"); - return snd_soc_dapm_sync(codec); + return 0; } -static int omap3pandora_in_init(struct snd_soc_codec *codec) +static int omap3pandora_in_init(struct snd_soc_pcm_runtime *rtd) { - int ret; + struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_dapm_context *dapm = &codec->dapm; /* Not comnnected */ - snd_soc_dapm_nc_pin(codec, "HSMIC"); - snd_soc_dapm_nc_pin(codec, "CARKITMIC"); - snd_soc_dapm_nc_pin(codec, "DIGIMIC0"); - snd_soc_dapm_nc_pin(codec, "DIGIMIC1"); - - ret = snd_soc_dapm_new_controls(codec, omap3pandora_in_dapm_widgets, - ARRAY_SIZE(omap3pandora_in_dapm_widgets)); - if (ret < 0) - return ret; - - snd_soc_dapm_add_routes(codec, omap3pandora_in_map, - ARRAY_SIZE(omap3pandora_in_map)); + 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"); - return snd_soc_dapm_sync(codec); + return 0; } -static struct snd_soc_ops omap3pandora_out_ops = { - .hw_params = omap3pandora_out_hw_params, -}; - -static struct snd_soc_ops omap3pandora_in_ops = { - .hw_params = omap3pandora_in_hw_params, +static struct snd_soc_ops omap3pandora_ops = { + .hw_params = omap3pandora_hw_params, }; /* Digital audio interface glue - connects codec <--> CPU */ @@ -227,16 +195,24 @@ static struct snd_soc_dai_link omap3pandora_dai[] = { { .name = "PCM1773", .stream_name = "HiFi Out", - .cpu_dai = &omap_mcbsp_dai[0], - .codec_dai = &twl4030_dai, - .ops = &omap3pandora_out_ops, + .cpu_dai_name = "omap-mcbsp.2", + .codec_dai_name = "twl4030-hifi", + .platform_name = "omap-mcbsp.2", + .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 = &omap_mcbsp_dai[1], - .codec_dai = &twl4030_dai, - .ops = &omap3pandora_in_ops, + .cpu_dai_name = "omap-mcbsp.4", + .codec_dai_name = "twl4030-hifi", + .platform_name = "omap-mcbsp.4", + .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, } }; @@ -244,15 +220,14 @@ static struct snd_soc_dai_link omap3pandora_dai[] = { /* SoC card */ static struct snd_soc_card snd_soc_card_omap3pandora = { .name = "omap3pandora", - .platform = &omap_soc_platform, + .owner = THIS_MODULE, .dai_link = omap3pandora_dai, .num_links = ARRAY_SIZE(omap3pandora_dai), -}; -/* Audio subsystem */ -static struct snd_soc_device omap3pandora_snd_data = { - .card = &snd_soc_card_omap3pandora, - .codec_dev = &soc_codec_dev_twl4030, + .dapm_widgets = omap3pandora_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(omap3pandora_dapm_widgets), + .dapm_routes = omap3pandora_map, + .num_dapm_routes = ARRAY_SIZE(omap3pandora_map), }; static struct platform_device *omap3pandora_snd_device; @@ -297,10 +272,7 @@ static int __init omap3pandora_soc_init(void) goto fail1; } - platform_set_drvdata(omap3pandora_snd_device, &omap3pandora_snd_data); - omap3pandora_snd_data.dev = &omap3pandora_snd_device->dev; - *(unsigned int *)omap_mcbsp_dai[0].private_data = 1; /* McBSP2 */ - *(unsigned int *)omap_mcbsp_dai[1].private_data = 3; /* McBSP4 */ + platform_set_drvdata(omap3pandora_snd_device, &snd_soc_card_omap3pandora); ret = platform_device_add(omap3pandora_snd_device); if (ret) { @@ -308,8 +280,19 @@ static int __init omap3pandora_soc_init(void) 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: @@ -322,6 +305,7 @@ 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); |
