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Diffstat (limited to 'sound/soc/codecs/tlv320aic3x.c')
-rw-r--r--sound/soc/codecs/tlv320aic3x.c118
1 files changed, 70 insertions, 48 deletions
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 4a6d56c3fed9..71a69908ccf6 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -38,6 +38,8 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <linux/regulator/consumer.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <sound/core.h>
@@ -47,16 +49,25 @@
#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
+#include <sound/tlv320aic3x.h>
#include "tlv320aic3x.h"
-#define AIC3X_VERSION "0.2"
+#define AIC3X_NUM_SUPPLIES 4
+static const char *aic3x_supply_names[AIC3X_NUM_SUPPLIES] = {
+ "IOVDD", /* I/O Voltage */
+ "DVDD", /* Digital Core Voltage */
+ "AVDD", /* Analog DAC Voltage */
+ "DRVDD", /* ADC Analog and Output Driver Voltage */
+};
/* codec private data */
struct aic3x_priv {
struct snd_soc_codec codec;
+ struct regulator_bulk_data supplies[AIC3X_NUM_SUPPLIES];
unsigned int sysclk;
int master;
+ int gpio_reset;
};
/*
@@ -764,7 +775,7 @@ static int aic3x_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_codec *codec = socdev->card->codec;
- struct aic3x_priv *aic3x = codec->private_data;
+ struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
int codec_clk = 0, bypass_pll = 0, fsref, last_clk = 0;
u8 data, j, r, p, pll_q, pll_p = 1, pll_r = 1, pll_j = 1;
u16 d, pll_d = 1;
@@ -931,7 +942,7 @@ static int aic3x_set_dai_sysclk(struct snd_soc_dai *codec_dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = codec_dai->codec;
- struct aic3x_priv *aic3x = codec->private_data;
+ struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
aic3x->sysclk = freq;
return 0;
@@ -941,7 +952,7 @@ static int aic3x_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
- struct aic3x_priv *aic3x = codec->private_data;
+ struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
u8 iface_areg, iface_breg;
int delay = 0;
@@ -995,12 +1006,13 @@ static int aic3x_set_dai_fmt(struct snd_soc_dai *codec_dai,
static int aic3x_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
- struct aic3x_priv *aic3x = codec->private_data;
+ struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
u8 reg;
switch (level) {
case SND_SOC_BIAS_ON:
- /* all power is driven by DAPM system */
+ break;
+ case SND_SOC_BIAS_PREPARE:
if (aic3x->master) {
/* enable pll */
reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG);
@@ -1008,48 +1020,9 @@ static int aic3x_set_bias_level(struct snd_soc_codec *codec,
reg | PLL_ENABLE);
}
break;
- case SND_SOC_BIAS_PREPARE:
- break;
case SND_SOC_BIAS_STANDBY:
- /*
- * all power is driven by DAPM system,
- * so output power is safe if bypass was set
- */
- if (aic3x->master) {
- /* disable pll */
- reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG);
- aic3x_write(codec, AIC3X_PLL_PROGA_REG,
- reg & ~PLL_ENABLE);
- }
- break;
+ /* fall through and disable pll */
case SND_SOC_BIAS_OFF:
- /* force all power off */
- reg = aic3x_read_reg_cache(codec, LINE1L_2_LADC_CTRL);
- aic3x_write(codec, LINE1L_2_LADC_CTRL, reg & ~LADC_PWR_ON);
- reg = aic3x_read_reg_cache(codec, LINE1R_2_RADC_CTRL);
- aic3x_write(codec, LINE1R_2_RADC_CTRL, reg & ~RADC_PWR_ON);
-
- reg = aic3x_read_reg_cache(codec, DAC_PWR);
- aic3x_write(codec, DAC_PWR, reg & ~(LDAC_PWR_ON | RDAC_PWR_ON));
-
- reg = aic3x_read_reg_cache(codec, HPLOUT_CTRL);
- aic3x_write(codec, HPLOUT_CTRL, reg & ~HPLOUT_PWR_ON);
- reg = aic3x_read_reg_cache(codec, HPROUT_CTRL);
- aic3x_write(codec, HPROUT_CTRL, reg & ~HPROUT_PWR_ON);
-
- reg = aic3x_read_reg_cache(codec, HPLCOM_CTRL);
- aic3x_write(codec, HPLCOM_CTRL, reg & ~HPLCOM_PWR_ON);
- reg = aic3x_read_reg_cache(codec, HPRCOM_CTRL);
- aic3x_write(codec, HPRCOM_CTRL, reg & ~HPRCOM_PWR_ON);
-
- reg = aic3x_read_reg_cache(codec, MONOLOPM_CTRL);
- aic3x_write(codec, MONOLOPM_CTRL, reg & ~MONOLOPM_PWR_ON);
-
- reg = aic3x_read_reg_cache(codec, LLOPM_CTRL);
- aic3x_write(codec, LLOPM_CTRL, reg & ~LLOPM_PWR_ON);
- reg = aic3x_read_reg_cache(codec, RLOPM_CTRL);
- aic3x_write(codec, RLOPM_CTRL, reg & ~RLOPM_PWR_ON);
-
if (aic3x->master) {
/* disable pll */
reg = aic3x_read_reg_cache(codec, AIC3X_PLL_PROGA_REG);
@@ -1171,7 +1144,7 @@ static int aic3x_resume(struct platform_device *pdev)
codec->hw_write(codec->control_data, data, 2);
}
- aic3x_set_bias_level(codec, codec->suspend_bias_level);
+ aic3x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
@@ -1309,6 +1282,13 @@ static int aic3x_unregister(struct aic3x_priv *aic3x)
snd_soc_unregister_dai(&aic3x_dai);
snd_soc_unregister_codec(&aic3x->codec);
+ if (aic3x->gpio_reset >= 0) {
+ gpio_set_value(aic3x->gpio_reset, 0);
+ gpio_free(aic3x->gpio_reset);
+ }
+ regulator_bulk_disable(ARRAY_SIZE(aic3x->supplies), aic3x->supplies);
+ regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies);
+
kfree(aic3x);
aic3x_codec = NULL;
@@ -1330,6 +1310,8 @@ static int aic3x_i2c_probe(struct i2c_client *i2c,
{
struct snd_soc_codec *codec;
struct aic3x_priv *aic3x;
+ struct aic3x_pdata *pdata = i2c->dev.platform_data;
+ int ret, i;
aic3x = kzalloc(sizeof(struct aic3x_priv), GFP_KERNEL);
if (aic3x == NULL) {
@@ -1339,13 +1321,53 @@ static int aic3x_i2c_probe(struct i2c_client *i2c,
codec = &aic3x->codec;
codec->dev = &i2c->dev;
- codec->private_data = aic3x;
+ snd_soc_codec_set_drvdata(codec, aic3x);
codec->control_data = i2c;
codec->hw_write = (hw_write_t) i2c_master_send;
i2c_set_clientdata(i2c, aic3x);
+ aic3x->gpio_reset = -1;
+ if (pdata && pdata->gpio_reset >= 0) {
+ ret = gpio_request(pdata->gpio_reset, "tlv320aic3x reset");
+ if (ret != 0)
+ goto err_gpio;
+ aic3x->gpio_reset = pdata->gpio_reset;
+ gpio_direction_output(aic3x->gpio_reset, 0);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++)
+ aic3x->supplies[i].supply = aic3x_supply_names[i];
+
+ ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(aic3x->supplies),
+ aic3x->supplies);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
+ goto err_get;
+ }
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(aic3x->supplies),
+ aic3x->supplies);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
+ goto err_enable;
+ }
+
+ if (aic3x->gpio_reset >= 0) {
+ udelay(1);
+ gpio_set_value(aic3x->gpio_reset, 1);
+ }
+
return aic3x_register(codec);
+
+err_enable:
+ regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies);
+err_get:
+ if (aic3x->gpio_reset >= 0)
+ gpio_free(aic3x->gpio_reset);
+err_gpio:
+ kfree(aic3x);
+ return ret;
}
static int aic3x_i2c_remove(struct i2c_client *client)
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-23 15:41:17 +0000