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Diffstat (limited to 'sound/soc/codecs/uda1380.c')
-rw-r--r--sound/soc/codecs/uda1380.c211
1 files changed, 57 insertions, 154 deletions
diff --git a/sound/soc/codecs/uda1380.c b/sound/soc/codecs/uda1380.c
index 2f925a2..1a51c81 100644
--- a/sound/soc/codecs/uda1380.c
+++ b/sound/soc/codecs/uda1380.c
@@ -33,11 +33,9 @@
#include "uda1380.h"
-static struct snd_soc_codec *uda1380_codec;
-
/* codec private data */
struct uda1380_priv {
- struct snd_soc_codec codec;
+ struct snd_soc_codec *codec;
u16 reg_cache[UDA1380_CACHEREGNUM];
unsigned int dac_clk;
struct work_struct work;
@@ -135,6 +133,8 @@ static int uda1380_write(struct snd_soc_codec *codec, unsigned int reg,
static void uda1380_flush_work(struct work_struct *work)
{
+ struct uda1380_priv *uda1380 = container_of(work, struct uda1380_priv, work);
+ struct snd_soc_codec *uda1380_codec = uda1380->codec;
int bit, reg;
for_each_set_bit(bit, &uda1380_cache_dirty, UDA1380_CACHEREGNUM - 0x10) {
@@ -145,6 +145,7 @@ static void uda1380_flush_work(struct work_struct *work)
uda1380_read_reg_cache(uda1380_codec, reg));
clear_bit(bit, &uda1380_cache_dirty);
}
+
}
/* declarations of ALSA reg_elem_REAL controls */
@@ -474,8 +475,7 @@ static int uda1380_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
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 snd_soc_codec *codec = rtd->codec;
struct uda1380_priv *uda1380 = snd_soc_codec_get_drvdata(codec);
int mixer = uda1380_read_reg_cache(codec, UDA1380_MIXER);
@@ -501,8 +501,7 @@ static int uda1380_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
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 snd_soc_codec *codec = rtd->codec;
u16 clk = uda1380_read_reg_cache(codec, UDA1380_CLK);
/* set WSPLL power and divider if running from this clock */
@@ -540,8 +539,7 @@ static void uda1380_pcm_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
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 snd_soc_codec *codec = rtd->codec;
u16 clk = uda1380_read_reg_cache(codec, UDA1380_CLK);
/* shut down WSPLL power if running from this clock */
@@ -604,9 +602,9 @@ static struct snd_soc_dai_ops uda1380_dai_ops_capture = {
.set_fmt = uda1380_set_dai_fmt_capture,
};
-struct snd_soc_dai uda1380_dai[] = {
+static struct snd_soc_dai_driver uda1380_dai[] = {
{
- .name = "UDA1380",
+ .name = "uda1380-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
@@ -622,7 +620,7 @@ struct snd_soc_dai uda1380_dai[] = {
.ops = &uda1380_dai_ops,
},
{ /* playback only - dual interface */
- .name = "UDA1380",
+ .name = "uda1380-hifi-playback",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
@@ -633,7 +631,7 @@ struct snd_soc_dai uda1380_dai[] = {
.ops = &uda1380_dai_ops_playback,
},
{ /* capture only - dual interface*/
- .name = "UDA1380",
+ .name = "uda1380-hifi-capture",
.capture = {
.stream_name = "Capture",
.channels_min = 1,
@@ -644,21 +642,15 @@ struct snd_soc_dai uda1380_dai[] = {
.ops = &uda1380_dai_ops_capture,
},
};
-EXPORT_SYMBOL_GPL(uda1380_dai);
-static int uda1380_suspend(struct platform_device *pdev, pm_message_t state)
+static int uda1380_suspend(struct snd_soc_codec *codec, pm_message_t state)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
uda1380_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-static int uda1380_resume(struct platform_device *pdev)
+static int uda1380_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
int i;
u8 data[2];
u16 *cache = codec->reg_cache;
@@ -673,91 +665,20 @@ static int uda1380_resume(struct platform_device *pdev)
return 0;
}
-static int uda1380_probe(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- struct uda1380_platform_data *pdata;
- int ret = 0;
-
- if (uda1380_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
- }
-
- socdev->card->codec = uda1380_codec;
- codec = uda1380_codec;
- pdata = codec->dev->platform_data;
-
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- dev_err(codec->dev, "failed to create pcms: %d\n", ret);
- goto pcm_err;
- }
-
- /* power on device */
- uda1380_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- /* set clock input */
- switch (pdata->dac_clk) {
- case UDA1380_DAC_CLK_SYSCLK:
- uda1380_write(codec, UDA1380_CLK, 0);
- break;
- case UDA1380_DAC_CLK_WSPLL:
- uda1380_write(codec, UDA1380_CLK, R00_DAC_CLK);
- break;
- }
-
- snd_soc_add_controls(codec, uda1380_snd_controls,
- ARRAY_SIZE(uda1380_snd_controls));
- uda1380_add_widgets(codec);
-
- return ret;
-
-pcm_err:
- return ret;
-}
-
-/* power down chip */
-static int uda1380_remove(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
- if (codec->control_data)
- uda1380_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
-
- return 0;
-}
-
-struct snd_soc_codec_device soc_codec_dev_uda1380 = {
- .probe = uda1380_probe,
- .remove = uda1380_remove,
- .suspend = uda1380_suspend,
- .resume = uda1380_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_uda1380);
-
-static int uda1380_register(struct uda1380_priv *uda1380)
+static int uda1380_probe(struct snd_soc_codec *codec)
{
- int ret, i;
- struct snd_soc_codec *codec = &uda1380->codec;
- struct uda1380_platform_data *pdata = codec->dev->platform_data;
+ struct uda1380_platform_data *pdata =codec->dev->platform_data;
+ struct uda1380_priv *uda1380 = snd_soc_codec_get_drvdata(codec);
+ int ret;
- if (uda1380_codec) {
- dev_err(codec->dev, "Another UDA1380 is registered\n");
- return -EINVAL;
- }
+ codec->hw_write = (hw_write_t)i2c_master_send;
if (!pdata || !pdata->gpio_power || !pdata->gpio_reset)
return -EINVAL;
ret = gpio_request(pdata->gpio_power, "uda1380 power");
if (ret)
- goto err_out;
+ return ret;
ret = gpio_request(pdata->gpio_reset, "uda1380 reset");
if (ret)
goto err_gpio;
@@ -769,25 +690,6 @@ static int uda1380_register(struct uda1380_priv *uda1380)
udelay(5);
gpio_set_value(pdata->gpio_reset, 0);
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- snd_soc_codec_set_drvdata(codec, uda1380);
- codec->name = "UDA1380";
- codec->owner = THIS_MODULE;
- codec->read = uda1380_read_reg_cache;
- codec->write = uda1380_write;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = uda1380_set_bias_level;
- codec->dai = uda1380_dai;
- codec->num_dai = ARRAY_SIZE(uda1380_dai);
- codec->reg_cache_size = ARRAY_SIZE(uda1380_reg);
- codec->reg_cache = &uda1380->reg_cache;
- codec->reg_cache_step = 1;
-
- memcpy(codec->reg_cache, uda1380_reg, sizeof(uda1380_reg));
-
ret = uda1380_reset(codec);
if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset\n");
@@ -796,83 +698,84 @@ static int uda1380_register(struct uda1380_priv *uda1380)
INIT_WORK(&uda1380->work, uda1380_flush_work);
- for (i = 0; i < ARRAY_SIZE(uda1380_dai); i++)
- uda1380_dai[i].dev = codec->dev;
-
- uda1380_codec = codec;
-
- ret = snd_soc_register_codec(codec);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- goto err_reset;
+ /* power on device */
+ uda1380_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+ /* set clock input */
+ switch (pdata->dac_clk) {
+ case UDA1380_DAC_CLK_SYSCLK:
+ uda1380_write(codec, UDA1380_CLK, 0);
+ break;
+ case UDA1380_DAC_CLK_WSPLL:
+ uda1380_write(codec, UDA1380_CLK, R00_DAC_CLK);
+ break;
}
- ret = snd_soc_register_dais(uda1380_dai, ARRAY_SIZE(uda1380_dai));
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register DAIs: %d\n", ret);
- goto err_dai;
- }
+ snd_soc_add_controls(codec, uda1380_snd_controls,
+ ARRAY_SIZE(uda1380_snd_controls));
+ uda1380_add_widgets(codec);
return 0;
-err_dai:
- snd_soc_unregister_codec(codec);
err_reset:
gpio_set_value(pdata->gpio_power, 0);
gpio_free(pdata->gpio_reset);
err_gpio:
gpio_free(pdata->gpio_power);
-err_out:
return ret;
}
-static void uda1380_unregister(struct uda1380_priv *uda1380)
+/* power down chip */
+static int uda1380_remove(struct snd_soc_codec *codec)
{
- struct snd_soc_codec *codec = &uda1380->codec;
- struct uda1380_platform_data *pdata = codec->dev->platform_data;
+ struct uda1380_platform_data *pdata =codec->dev->platform_data;
- snd_soc_unregister_dais(uda1380_dai, ARRAY_SIZE(uda1380_dai));
- snd_soc_unregister_codec(&uda1380->codec);
+ uda1380_set_bias_level(codec, SND_SOC_BIAS_OFF);
gpio_set_value(pdata->gpio_power, 0);
gpio_free(pdata->gpio_reset);
gpio_free(pdata->gpio_power);
- kfree(uda1380);
- uda1380_codec = NULL;
+ return 0;
}
+static struct snd_soc_codec_driver soc_codec_dev_uda1380 = {
+ .probe = uda1380_probe,
+ .remove = uda1380_remove,
+ .suspend = uda1380_suspend,
+ .resume = uda1380_resume,
+ .read = uda1380_read_reg_cache,
+ .write = uda1380_write,
+ .set_bias_level = uda1380_set_bias_level,
+ .reg_cache_size = ARRAY_SIZE(uda1380_reg),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = uda1380_reg,
+ .reg_cache_step = 1,
+};
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
static __devinit int uda1380_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct uda1380_priv *uda1380;
- struct snd_soc_codec *codec;
int ret;
uda1380 = kzalloc(sizeof(struct uda1380_priv), GFP_KERNEL);
if (uda1380 == NULL)
return -ENOMEM;
- codec = &uda1380->codec;
- codec->hw_write = (hw_write_t)i2c_master_send;
-
i2c_set_clientdata(i2c, uda1380);
- codec->control_data = i2c;
-
- codec->dev = &i2c->dev;
- ret = uda1380_register(uda1380);
- if (ret != 0)
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_uda1380, uda1380_dai, ARRAY_SIZE(uda1380_dai));
+ if (ret < 0)
kfree(uda1380);
-
return ret;
}
static int __devexit uda1380_i2c_remove(struct i2c_client *i2c)
{
- struct uda1380_priv *uda1380 = i2c_get_clientdata(i2c);
- uda1380_unregister(uda1380);
+ snd_soc_unregister_codec(&i2c->dev);
+ kfree(i2c_get_clientdata(i2c));
return 0;
}
@@ -884,7 +787,7 @@ MODULE_DEVICE_TABLE(i2c, uda1380_i2c_id);
static struct i2c_driver uda1380_i2c_driver = {
.driver = {
- .name = "UDA1380 I2C Codec",
+ .name = "uda1380-codec",
.owner = THIS_MODULE,
},
.probe = uda1380_i2c_probe,
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