};
struct wm9081_priv {
- struct snd_soc_codec codec;
+ enum snd_soc_control_type control_type;
+ void *control_data;
u16 reg_cache[WM9081_MAX_REGISTER + 1];
int sysclk_source;
int mclk_rate;
/* We report two channels because the CODEC processes a stereo signal, even
* though it is only capable of handling a mono output.
*/
-struct snd_soc_dai wm9081_dai = {
- .name = "WM9081",
+static struct snd_soc_dai_driver wm9081_dai = {
+ .name = "wm9081-hifi",
.playback = {
.stream_name = "HiFi Playback",
.channels_min = 1,
},
.ops = &wm9081_dai_ops,
};
-EXPORT_SYMBOL_GPL(wm9081_dai);
-
-static struct snd_soc_codec *wm9081_codec;
-
-static int wm9081_probe(struct platform_device *pdev)
+static int wm9081_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- struct wm9081_priv *wm9081;
- int ret = 0;
+ struct wm9081_priv *wm9081 = snd_soc_codec_get_drvdata(codec);
+ int ret;
+ u16 reg;
- if (wm9081_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
+ codec->control_data = wm9081->control_data;
+ ret = snd_soc_codec_set_cache_io(codec, 8, 16, wm9081->control_type);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+ return ret;
}
- socdev->card->codec = wm9081_codec;
- codec = wm9081_codec;
- wm9081 = snd_soc_codec_get_drvdata(codec);
+ reg = snd_soc_read(codec, WM9081_SOFTWARE_RESET);
+ if (reg != 0x9081) {
+ dev_err(codec->dev, "Device is not a WM9081: ID=0x%x\n", reg);
+ ret = -EINVAL;
+ return ret;
+ }
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ ret = wm9081_reset(codec);
if (ret < 0) {
- dev_err(codec->dev, "failed to create pcms: %d\n", ret);
- goto pcm_err;
+ dev_err(codec->dev, "Failed to issue reset\n");
+ return ret;
}
+ wm9081_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ /* Enable zero cross by default */
+ reg = snd_soc_read(codec, WM9081_ANALOGUE_LINEOUT);
+ snd_soc_write(codec, WM9081_ANALOGUE_LINEOUT, reg | WM9081_LINEOUTZC);
+ reg = snd_soc_read(codec, WM9081_ANALOGUE_SPEAKER_PGA);
+ snd_soc_write(codec, WM9081_ANALOGUE_SPEAKER_PGA,
+ reg | WM9081_SPKPGAZC);
+
snd_soc_add_controls(codec, wm9081_snd_controls,
ARRAY_SIZE(wm9081_snd_controls));
if (!wm9081->retune) {
snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths));
return ret;
-
-pcm_err:
- return ret;
}
-static int wm9081_remove(struct platform_device *pdev)
+static int wm9081_remove(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
-
+ wm9081_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
#ifdef CONFIG_PM
-static int wm9081_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm9081_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;
-
wm9081_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-static int wm9081_resume(struct platform_device *pdev)
+static int wm9081_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
u16 *reg_cache = codec->reg_cache;
int i;
- for (i = 0; i < codec->reg_cache_size; i++) {
+ for (i = 0; i < codec->driver->reg_cache_size; i++) {
if (i == WM9081_SOFTWARE_RESET)
continue;
#define wm9081_resume NULL
#endif
-struct snd_soc_codec_device soc_codec_dev_wm9081 = {
+static struct snd_soc_codec_driver soc_codec_dev_wm9081 = {
.probe = wm9081_probe,
.remove = wm9081_remove,
.suspend = wm9081_suspend,
.resume = wm9081_resume,
+ .set_bias_level = wm9081_set_bias_level,
+ .reg_cache_size = sizeof(wm9081_reg_defaults),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = wm9081_reg_defaults,
+ .volatile_register = wm9081_volatile_register,
};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm9081);
-
-static int wm9081_register(struct wm9081_priv *wm9081,
- enum snd_soc_control_type control)
-{
- struct snd_soc_codec *codec = &wm9081->codec;
- int ret;
- u16 reg;
-
- if (wm9081_codec) {
- dev_err(codec->dev, "Another WM9081 is registered\n");
- ret = -EINVAL;
- goto err;
- }
-
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- snd_soc_codec_set_drvdata(codec, wm9081);
- codec->name = "WM9081";
- codec->owner = THIS_MODULE;
- codec->dai = &wm9081_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = ARRAY_SIZE(wm9081->reg_cache);
- codec->reg_cache = &wm9081->reg_cache;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = wm9081_set_bias_level;
- codec->volatile_register = wm9081_volatile_register;
-
- memcpy(codec->reg_cache, wm9081_reg_defaults,
- sizeof(wm9081_reg_defaults));
-
- ret = snd_soc_codec_set_cache_io(codec, 8, 16, control);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- goto err;
- }
-
- reg = snd_soc_read(codec, WM9081_SOFTWARE_RESET);
- if (reg != 0x9081) {
- dev_err(codec->dev, "Device is not a WM9081: ID=0x%x\n", reg);
- ret = -EINVAL;
- goto err;
- }
-
- ret = wm9081_reset(codec);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to issue reset\n");
- goto err;
- }
-
- wm9081_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
- /* Enable zero cross by default */
- reg = snd_soc_read(codec, WM9081_ANALOGUE_LINEOUT);
- snd_soc_write(codec, WM9081_ANALOGUE_LINEOUT, reg | WM9081_LINEOUTZC);
- reg = snd_soc_read(codec, WM9081_ANALOGUE_SPEAKER_PGA);
- snd_soc_write(codec, WM9081_ANALOGUE_SPEAKER_PGA,
- reg | WM9081_SPKPGAZC);
-
- wm9081_dai.dev = codec->dev;
-
- wm9081_codec = codec;
-
- ret = snd_soc_register_codec(codec);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- goto err;
- }
-
- ret = snd_soc_register_dai(&wm9081_dai);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
- goto err_codec;
- }
-
- return 0;
-
-err_codec:
- snd_soc_unregister_codec(codec);
-err:
- kfree(wm9081);
- return ret;
-}
-
-static void wm9081_unregister(struct wm9081_priv *wm9081)
-{
- wm9081_set_bias_level(&wm9081->codec, SND_SOC_BIAS_OFF);
- snd_soc_unregister_dai(&wm9081_dai);
- snd_soc_unregister_codec(&wm9081->codec);
- kfree(wm9081);
- wm9081_codec = NULL;
-}
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
static __devinit int wm9081_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct wm9081_priv *wm9081;
- struct snd_soc_codec *codec;
+ int ret;
wm9081 = kzalloc(sizeof(struct wm9081_priv), GFP_KERNEL);
if (wm9081 == NULL)
return -ENOMEM;
- codec = &wm9081->codec;
- codec->hw_write = (hw_write_t)i2c_master_send;
- wm9081->retune = i2c->dev.platform_data;
-
i2c_set_clientdata(i2c, wm9081);
- codec->control_data = i2c;
-
- codec->dev = &i2c->dev;
+ wm9081->control_data = i2c;
- return wm9081_register(wm9081, SND_SOC_I2C);
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm9081, &wm9081_dai, 1);
+ if (ret < 0)
+ kfree(wm9081);
+ return ret;
}
static __devexit int wm9081_i2c_remove(struct i2c_client *client)
{
- struct wm9081_priv *wm9081 = i2c_get_clientdata(client);
- wm9081_unregister(wm9081);
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
static struct i2c_driver wm9081_i2c_driver = {
.driver = {
- .name = "wm9081",
+ .name = "wm9081-codec",
.owner = THIS_MODULE,
},
.probe = wm9081_i2c_probe,
.remove = __devexit_p(wm9081_i2c_remove),
.id_table = wm9081_i2c_id,
};
+#endif
static int __init wm9081_modinit(void)
{
- int ret;
-
+ int ret = 0;
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
ret = i2c_add_driver(&wm9081_i2c_driver);
if (ret != 0) {
printk(KERN_ERR "Failed to register WM9081 I2C driver: %d\n",
ret);
}
-
+#endif
return ret;
}
module_init(wm9081_modinit);
static void __exit wm9081_exit(void)
{
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
i2c_del_driver(&wm9081_i2c_driver);
+#endif
}
module_exit(wm9081_exit);
projects / mv-sheeva.git / blobdiff