#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/delay.h>
+#include <linux/regulator/consumer.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc-dapm.h>
#include <asm/mach-types.h>
+#include <plat/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_pcm_substream *substream,
- struct snd_pcm_hw_params *params, 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->dai->codec_dai;
- struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ int fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS;
int ret;
/* Set codec DAI configuration */
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)
{
- return omap3pandora_cmn_hw_params(substream, params,
- SND_SOC_DAIFMT_I2S |
- SND_SOC_DAIFMT_IB_NF |
- SND_SOC_DAIFMT_CBS_CFS);
-}
+ /*
+ * 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);
+ }
-static int omap3pandora_in_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
-{
- return omap3pandora_cmn_hw_params(substream, params,
- 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;
}
* |P| <--- TWL4030 <--------- Line In and MICs
*/
static const struct snd_soc_dapm_widget omap3pandora_out_dapm_widgets[] = {
- SND_SOC_DAPM_DAC("PCM DAC", "HiFi Playback", SND_SOC_NOPM, 0, 0),
+ 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),
{"Mic Bias 2", NULL, "Mic (external)"},
};
-static int omap3pandora_out_init(struct snd_soc_codec *codec)
+static int omap3pandora_out_init(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_soc_codec *codec = rtd->codec;
int ret;
/* 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");
return snd_soc_dapm_sync(codec);
}
-static int omap3pandora_in_init(struct snd_soc_codec *codec)
+static int omap3pandora_in_init(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_soc_codec *codec = rtd->codec;
int ret;
/* Not comnnected */
return snd_soc_dapm_sync(codec);
}
-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 */
{
.name = "PCM1773",
.stream_name = "HiFi Out",
- .cpu_dai = &omap_mcbsp_dai[0],
- .codec_dai = &twl4030_dai[TWL4030_DAI_HIFI],
- .ops = &omap3pandora_out_ops,
+ .cpu_dai_name = "omap-mcbsp-dai.1",
+ .codec_dai_name = "twl4030-hifi",
+ .platform_name = "omap-pcm-audio",
+ .codec_name = "twl4030-codec",
+ .ops = &omap3pandora_ops,
.init = omap3pandora_out_init,
}, {
.name = "TWL4030",
.stream_name = "Line/Mic In",
- .cpu_dai = &omap_mcbsp_dai[1],
- .codec_dai = &twl4030_dai[TWL4030_DAI_HIFI],
- .ops = &omap3pandora_in_ops,
+ .cpu_dai_name = "omap-mcbsp-dai.3",
+ .codec_dai_name = "twl4030-hifi",
+ .platform_name = "omap-pcm-audio",
+ .codec_name = "twl4030-codec",
+ .ops = &omap3pandora_ops,
.init = omap3pandora_in_init,
}
};
/* SoC card */
static struct snd_soc_card snd_soc_card_omap3pandora = {
.name = "omap3pandora",
- .platform = &omap_soc_platform,
.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,
-};
-
static struct platform_device *omap3pandora_snd_device;
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) {
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));
+ goto fail3;
+ }
+
return 0;
+fail3:
+ platform_device_del(omap3pandora_snd_device);
fail2:
platform_device_put(omap3pandora_snd_device);
fail1:
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);
projects / mirror_ubuntu-bionic-kernel.git / blobdiff