#include "wm8523.h"
-static struct snd_soc_codec *wm8523_codec;
-struct snd_soc_codec_device soc_codec_dev_wm8523;
-
#define WM8523_NUM_SUPPLIES 2
static const char *wm8523_supply_names[WM8523_NUM_SUPPLIES] = {
"AVDD",
/* codec private data */
struct wm8523_priv {
- struct snd_soc_codec codec;
+ enum snd_soc_control_type control_type;
+ void *control_data;
u16 reg_cache[WM8523_REGISTER_COUNT];
struct regulator_bulk_data supplies[WM8523_NUM_SUPPLIES];
unsigned int sysclk;
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
- struct wm8523_priv *wm8523 = codec->private_data;
+ struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);
/* The set of sample rates that can be supported depends on the
* MCLK supplied to the CODEC - enforce this.
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 wm8523_priv *wm8523 = codec->private_data;
+ struct snd_soc_codec *codec = rtd->codec;
+ struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);
int i;
u16 aifctrl1 = snd_soc_read(codec, WM8523_AIF_CTRL1);
u16 aifctrl2 = snd_soc_read(codec, WM8523_AIF_CTRL2);
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = codec_dai->codec;
- struct wm8523_priv *wm8523 = codec->private_data;
+ struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);
unsigned int val;
int i;
static int wm8523_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
- struct wm8523_priv *wm8523 = codec->private_data;
+ struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);
int ret, i;
switch (level) {
.set_fmt = wm8523_set_dai_fmt,
};
-struct snd_soc_dai wm8523_dai = {
- .name = "WM8523",
+static struct snd_soc_dai_driver wm8523_dai = {
+ .name = "wm8523-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 2, /* Mono modes not yet supported */
},
.ops = &wm8523_dai_ops,
};
-EXPORT_SYMBOL_GPL(wm8523_dai);
#ifdef CONFIG_PM
-static int wm8523_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8523_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;
-
wm8523_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-static int wm8523_resume(struct platform_device *pdev)
+static int wm8523_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
wm8523_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
return 0;
}
#else
#define wm8523_resume NULL
#endif
-static int wm8523_probe(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- int ret = 0;
-
- if (wm8523_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
- }
-
- socdev->card->codec = wm8523_codec;
- codec = wm8523_codec;
-
- /* 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;
- }
-
- snd_soc_add_controls(codec, wm8523_snd_controls,
- ARRAY_SIZE(wm8523_snd_controls));
- wm8523_add_widgets(codec);
-
- return ret;
-
-pcm_err:
- return ret;
-}
-
-static int wm8523_remove(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
-
- return 0;
-}
-
-struct snd_soc_codec_device soc_codec_dev_wm8523 = {
- .probe = wm8523_probe,
- .remove = wm8523_remove,
- .suspend = wm8523_suspend,
- .resume = wm8523_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8523);
-
-static int wm8523_register(struct wm8523_priv *wm8523,
- enum snd_soc_control_type control)
+static int wm8523_probe(struct snd_soc_codec *codec)
{
- int ret;
- struct snd_soc_codec *codec = &wm8523->codec;
- int i;
-
- if (wm8523_codec) {
- dev_err(codec->dev, "Another WM8523 is registered\n");
- return -EINVAL;
- }
-
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- codec->private_data = wm8523;
- codec->name = "WM8523";
- codec->owner = THIS_MODULE;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = wm8523_set_bias_level;
- codec->dai = &wm8523_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = WM8523_REGISTER_COUNT;
- codec->reg_cache = &wm8523->reg_cache;
- codec->volatile_register = wm8523_volatile_register;
+ struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);
+ int ret, i;
+ codec->hw_write = (hw_write_t)i2c_master_send;
+ codec->control_data = wm8523->control_data;
wm8523->rate_constraint.list = &wm8523->rate_constraint_list[0];
wm8523->rate_constraint.count =
ARRAY_SIZE(wm8523->rate_constraint_list);
- memcpy(codec->reg_cache, wm8523_reg, sizeof(wm8523_reg));
-
- ret = snd_soc_codec_set_cache_io(codec, 8, 16, control);
+ ret = snd_soc_codec_set_cache_io(codec, 8, 16, wm8523->control_type);
if (ret != 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- goto err;
+ return ret;
}
for (i = 0; i < ARRAY_SIZE(wm8523->supplies); i++)
wm8523->supplies);
if (ret != 0) {
dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
- goto err;
+ return ret;
}
ret = regulator_bulk_enable(ARRAY_SIZE(wm8523->supplies),
goto err_enable;
}
- wm8523_dai.dev = codec->dev;
-
/* Change some default settings - latch VU and enable ZC */
wm8523->reg_cache[WM8523_DAC_GAINR] |= WM8523_DACR_VU;
wm8523->reg_cache[WM8523_DAC_CTRL3] |= WM8523_ZC;
/* Bias level configuration will have done an extra enable */
regulator_bulk_disable(ARRAY_SIZE(wm8523->supplies), wm8523->supplies);
- wm8523_codec = codec;
-
- ret = snd_soc_register_codec(codec);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- return ret;
- }
-
- ret = snd_soc_register_dai(&wm8523_dai);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
- snd_soc_unregister_codec(codec);
- return ret;
- }
+ snd_soc_add_controls(codec, wm8523_snd_controls,
+ ARRAY_SIZE(wm8523_snd_controls));
+ wm8523_add_widgets(codec);
return 0;
regulator_bulk_disable(ARRAY_SIZE(wm8523->supplies), wm8523->supplies);
err_get:
regulator_bulk_free(ARRAY_SIZE(wm8523->supplies), wm8523->supplies);
-err:
- kfree(wm8523);
+
return ret;
}
-static void wm8523_unregister(struct wm8523_priv *wm8523)
+static int wm8523_remove(struct snd_soc_codec *codec)
{
- wm8523_set_bias_level(&wm8523->codec, SND_SOC_BIAS_OFF);
+ struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);
+
+ wm8523_set_bias_level(codec, SND_SOC_BIAS_OFF);
regulator_bulk_free(ARRAY_SIZE(wm8523->supplies), wm8523->supplies);
- snd_soc_unregister_dai(&wm8523_dai);
- snd_soc_unregister_codec(&wm8523->codec);
- kfree(wm8523);
- wm8523_codec = NULL;
+ return 0;
}
+static struct snd_soc_codec_driver soc_codec_dev_wm8523 = {
+ .probe = wm8523_probe,
+ .remove = wm8523_remove,
+ .suspend = wm8523_suspend,
+ .resume = wm8523_resume,
+ .set_bias_level = wm8523_set_bias_level,
+ .reg_cache_size = WM8523_REGISTER_COUNT,
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = wm8523_reg,
+ .volatile_register = wm8523_volatile_register,
+};
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
static __devinit int wm8523_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct wm8523_priv *wm8523;
- struct snd_soc_codec *codec;
+ int ret;
wm8523 = kzalloc(sizeof(struct wm8523_priv), GFP_KERNEL);
if (wm8523 == NULL)
return -ENOMEM;
- codec = &wm8523->codec;
- codec->hw_write = (hw_write_t)i2c_master_send;
-
i2c_set_clientdata(i2c, wm8523);
- codec->control_data = i2c;
+ wm8523->control_data = i2c;
+ wm8523->control_type = SND_SOC_I2C;
- codec->dev = &i2c->dev;
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm8523, &wm8523_dai, 1);
+ if (ret < 0)
+ kfree(wm8523);
+ return ret;
- return wm8523_register(wm8523, SND_SOC_I2C);
}
static __devexit int wm8523_i2c_remove(struct i2c_client *client)
{
- struct wm8523_priv *wm8523 = i2c_get_clientdata(client);
- wm8523_unregister(wm8523);
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
static struct i2c_driver wm8523_i2c_driver = {
.driver = {
- .name = "WM8523",
+ .name = "wm8523-codec",
.owner = THIS_MODULE,
},
.probe = wm8523_i2c_probe,
projects / mv-sheeva.git / blobdiff