/* codec private data */
struct ad193x_priv {
- unsigned int sysclk;
- struct snd_soc_codec codec;
u8 reg_cache[AD193X_NUM_REGS];
+ enum snd_soc_control_type bus_type;
+ void *control_data;
+ int sysclk;
};
/* ad193x register cache & default register settings */
0, 0, 0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0,
};
-static struct snd_soc_codec *ad193x_codec;
-struct snd_soc_codec_device soc_codec_dev_ad193x;
-
/*
* AD193X volume/mute/de-emphasis etc. controls
*/
int word_len = 0, reg = 0, master_rate = 0;
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 ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);
/* bit size */
return 0;
}
-static int ad193x_bus_probe(struct device *dev, void *ctrl_data, int bus_type)
-{
- struct snd_soc_codec *codec;
- struct ad193x_priv *ad193x;
- int ret;
-
- if (ad193x_codec) {
- dev_err(dev, "Another ad193x is registered\n");
- return -EINVAL;
- }
-
- ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL);
- if (ad193x == NULL)
- return -ENOMEM;
-
- dev_set_drvdata(dev, ad193x);
-
- codec = &ad193x->codec;
- mutex_init(&codec->mutex);
- codec->control_data = ctrl_data;
- codec->dev = dev;
- snd_soc_codec_set_drvdata(codec, ad193x);
- codec->reg_cache = ad193x->reg_cache;
- codec->reg_cache_size = AD193X_NUM_REGS;
- codec->name = "AD193X";
- codec->owner = THIS_MODULE;
- codec->dai = &ad193x_dai;
- codec->num_dai = 1;
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- ad193x_dai.dev = codec->dev;
- ad193x_codec = codec;
-
- memcpy(codec->reg_cache, ad193x_reg, AD193X_NUM_REGS);
-
- if (bus_type == SND_SOC_I2C)
- ret = snd_soc_codec_set_cache_io(codec, 8, 8, bus_type);
- else
- ret = snd_soc_codec_set_cache_io(codec, 16, 8, bus_type);
- if (ret < 0) {
- dev_err(codec->dev, "failed to set cache I/O: %d\n",
- ret);
- kfree(ad193x);
- return ret;
- }
-
- /* default setting for ad193x */
-
- /* unmute dac channels */
- snd_soc_write(codec, AD193X_DAC_CHNL_MUTE, 0x0);
- /* de-emphasis: 48kHz, powedown dac */
- snd_soc_write(codec, AD193X_DAC_CTRL2, 0x1A);
- /* powerdown dac, dac in tdm mode */
- snd_soc_write(codec, AD193X_DAC_CTRL0, 0x41);
- /* high-pass filter enable */
- snd_soc_write(codec, AD193X_ADC_CTRL0, 0x3);
- /* sata delay=1, adc aux mode */
- snd_soc_write(codec, AD193X_ADC_CTRL1, 0x43);
- /* pll input: mclki/xi */
- snd_soc_write(codec, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */
- snd_soc_write(codec, AD193X_PLL_CLK_CTRL1, 0x04);
- ad193x->sysclk = 12288000;
-
- ret = snd_soc_register_codec(codec);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- kfree(ad193x);
- return ret;
- }
-
- ret = snd_soc_register_dai(&ad193x_dai);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
- snd_soc_unregister_codec(codec);
- kfree(ad193x);
- return ret;
- }
-
- return 0;
-}
-
-static int ad193x_bus_remove(struct device *dev)
-{
- struct ad193x_priv *ad193x = dev_get_drvdata(dev);
-
- snd_soc_unregister_dai(&ad193x_dai);
- snd_soc_unregister_codec(&ad193x->codec);
- kfree(ad193x);
- ad193x_codec = NULL;
-
- return 0;
-}
-
static struct snd_soc_dai_ops ad193x_dai_ops = {
.hw_params = ad193x_hw_params,
.digital_mute = ad193x_mute,
};
/* codec DAI instance */
-struct snd_soc_dai ad193x_dai = {
- .name = "AD193X",
+static struct snd_soc_dai_driver ad193x_dai = {
+ .name = "ad193x-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 2,
},
.ops = &ad193x_dai_ops,
};
-EXPORT_SYMBOL_GPL(ad193x_dai);
-static int ad193x_probe(struct platform_device *pdev)
+static int ad193x_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- int ret = 0;
+ struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);
+ int ret;
- if (ad193x_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
+ codec->control_data = ad193x->control_data;
+ if (ad193x->bus_type == SND_SOC_I2C)
+ ret = snd_soc_codec_set_cache_io(codec, 8, 8, ad193x->bus_type);
+ else
+ ret = snd_soc_codec_set_cache_io(codec, 16, 8, ad193x->bus_type);
+ if (ret < 0) {
+ dev_err(codec->dev, "failed to set cache I/O: %d\n",
+ ret);
+ kfree(ad193x);
+ return ret;
}
- socdev->card->codec = ad193x_codec;
- codec = ad193x_codec;
+ /* default setting for ad193x */
- /* 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;
- }
+ /* unmute dac channels */
+ snd_soc_write(codec, AD193X_DAC_CHNL_MUTE, 0x0);
+ /* de-emphasis: 48kHz, powedown dac */
+ snd_soc_write(codec, AD193X_DAC_CTRL2, 0x1A);
+ /* powerdown dac, dac in tdm mode */
+ snd_soc_write(codec, AD193X_DAC_CTRL0, 0x41);
+ /* high-pass filter enable */
+ snd_soc_write(codec, AD193X_ADC_CTRL0, 0x3);
+ /* sata delay=1, adc aux mode */
+ snd_soc_write(codec, AD193X_ADC_CTRL1, 0x43);
+ /* pll input: mclki/xi */
+ snd_soc_write(codec, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */
+ snd_soc_write(codec, AD193X_PLL_CLK_CTRL1, 0x04);
snd_soc_add_controls(codec, ad193x_snd_controls,
ARRAY_SIZE(ad193x_snd_controls));
ARRAY_SIZE(ad193x_dapm_widgets));
snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths));
-pcm_err:
return ret;
}
-/* power down chip */
-static int ad193x_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_ad193x = {
+static struct snd_soc_codec_driver soc_codec_dev_ad193x = {
.probe = ad193x_probe,
- .remove = ad193x_remove,
+ .reg_cache_default = ad193x_reg,
+ .reg_cache_size = AD193X_NUM_REGS,
+ .reg_word_size = sizeof(u16),
};
-EXPORT_SYMBOL_GPL(soc_codec_dev_ad193x);
#if defined(CONFIG_SPI_MASTER)
static int __devinit ad193x_spi_probe(struct spi_device *spi)
{
- return ad193x_bus_probe(&spi->dev, spi, SND_SOC_SPI);
+ struct ad193x_priv *ad193x;
+ int ret;
+
+ ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL);
+ if (ad193x == NULL)
+ return -ENOMEM;
+
+ spi_set_drvdata(spi, ad193x);
+ ad193x->control_data = spi;
+ ad193x->bus_type = SND_SOC_SPI;
+
+ ret = snd_soc_register_codec(&spi->dev,
+ &soc_codec_dev_ad193x, &ad193x_dai, 1);
+ if (ret < 0)
+ kfree(ad193x);
+ return ret;
}
static int __devexit ad193x_spi_remove(struct spi_device *spi)
{
- return ad193x_bus_remove(&spi->dev);
+ snd_soc_unregister_codec(&spi->dev);
+ kfree(spi_get_drvdata(spi));
+ return 0;
}
static struct spi_driver ad193x_spi_driver = {
.driver = {
- .name = "ad193x",
+ .name = "ad193x-codec",
.owner = THIS_MODULE,
},
.probe = ad193x_spi_probe,
static int __devinit ad193x_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
- return ad193x_bus_probe(&client->dev, client, SND_SOC_I2C);
+ struct ad193x_priv *ad193x;
+ int ret;
+
+ ad193x = kzalloc(sizeof(struct ad193x_priv), GFP_KERNEL);
+ if (ad193x == NULL)
+ return -ENOMEM;
+
+ i2c_set_clientdata(client, ad193x);
+ ad193x->control_data = client;
+ ad193x->bus_type = SND_SOC_I2C;
+
+ ret = snd_soc_register_codec(&client->dev,
+ &soc_codec_dev_ad193x, &ad193x_dai, 1);
+ if (ret < 0)
+ kfree(ad193x);
+ return ret;
}
static int __devexit ad193x_i2c_remove(struct i2c_client *client)
{
- return ad193x_bus_remove(&client->dev);
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
+ return 0;
}
static struct i2c_driver ad193x_i2c_driver = {
.driver = {
- .name = "ad193x",
+ .name = "ad193x-codec",
},
.probe = ad193x_i2c_probe,
.remove = __devexit_p(ad193x_i2c_remove),
projects / mv-sheeva.git / blobdiff