#include "wm8776.h"
-static struct snd_soc_codec *wm8776_codec;
-struct snd_soc_codec_device soc_codec_dev_wm8776;
-
/* codec private data */
struct wm8776_priv {
- struct snd_soc_codec codec;
+ enum snd_soc_control_type control_type;
+ void *control_data;
u16 reg_cache[WM8776_CACHEREGNUM];
int sysclk[2];
};
-#ifdef CONFIG_SPI_MASTER
-static int wm8776_spi_write(struct spi_device *spi, const char *data, int len);
-#endif
-
static const u16 wm8776_reg[WM8776_CACHEREGNUM] = {
0x79, 0x79, 0x79, 0xff, 0xff, /* 4 */
0xff, 0x00, 0x90, 0x00, 0x00, /* 9 */
struct snd_soc_codec *codec = dai->codec;
int reg, iface, master;
- switch (dai->id) {
+ switch (dai->driver->id) {
case WM8776_DAI_DAC:
reg = WM8776_DACIFCTRL;
master = 0x80;
iface = 0;
- switch (dai->id) {
+ switch (dai->driver->id) {
case WM8776_DAI_DAC:
iface_reg = WM8776_DACIFCTRL;
master = 0x80;
/* Only need to set MCLK/LRCLK ratio if we're master */
if (snd_soc_read(codec, WM8776_MSTRCTRL) & master) {
for (i = 0; i < ARRAY_SIZE(mclk_ratios); i++) {
- if (wm8776->sysclk[dai->id] / params_rate(params)
+ if (wm8776->sysclk[dai->driver->id] / params_rate(params)
== mclk_ratios[i])
break;
}
if (i == ARRAY_SIZE(mclk_ratios)) {
dev_err(codec->dev,
"Unable to configure MCLK ratio %d/%d\n",
- wm8776->sysclk[dai->id], params_rate(params));
+ wm8776->sysclk[dai->driver->id], params_rate(params));
return -EINVAL;
}
struct snd_soc_codec *codec = dai->codec;
struct wm8776_priv *wm8776 = snd_soc_codec_get_drvdata(codec);
- BUG_ON(dai->id >= ARRAY_SIZE(wm8776->sysclk));
+ BUG_ON(dai->driver->id >= ARRAY_SIZE(wm8776->sysclk));
- wm8776->sysclk[dai->id] = freq;
+ wm8776->sysclk[dai->driver->id] = freq;
return 0;
}
.set_sysclk = wm8776_set_sysclk,
};
-struct snd_soc_dai wm8776_dai[] = {
+static struct snd_soc_dai_driver wm8776_dai[] = {
{
- .name = "WM8776 Playback",
- .id = WM8776_DAI_DAC,
+ .name = "wm8776-hifi-playback",
+ .id = WM8776_DAI_DAC,
.playback = {
.stream_name = "Playback",
.channels_min = 2,
.ops = &wm8776_dac_ops,
},
{
- .name = "WM8776 Capture",
- .id = WM8776_DAI_ADC,
+ .name = "wm8776-hifi-capture",
+ .id = WM8776_DAI_ADC,
.capture = {
.stream_name = "Capture",
.channels_min = 2,
.ops = &wm8776_adc_ops,
},
};
-EXPORT_SYMBOL_GPL(wm8776_dai);
#ifdef CONFIG_PM
-static int wm8776_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8776_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;
-
wm8776_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-static int wm8776_resume(struct platform_device *pdev)
+static int wm8776_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;
#define wm8776_resume NULL
#endif
-static int wm8776_probe(struct platform_device *pdev)
+static int wm8776_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
+ struct wm8776_priv *wm8776 = snd_soc_codec_get_drvdata(codec);
int ret = 0;
- if (wm8776_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
+ codec->control_data = wm8776->control_data;
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8776->control_type);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+ return ret;
}
- socdev->card->codec = wm8776_codec;
- codec = wm8776_codec;
-
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
+ ret = wm8776_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: %d\n", ret);
+ return ret;
}
+ wm8776_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ /* Latch the update bits; right channel only since we always
+ * update both. */
+ snd_soc_update_bits(codec, WM8776_HPRVOL, 0x100, 0x100);
+ snd_soc_update_bits(codec, WM8776_DACRVOL, 0x100, 0x100);
+
snd_soc_add_controls(codec, wm8776_snd_controls,
ARRAY_SIZE(wm8776_snd_controls));
snd_soc_dapm_new_controls(codec, wm8776_dapm_widgets,
snd_soc_dapm_add_routes(codec, routes, ARRAY_SIZE(routes));
return ret;
-
-pcm_err:
- return ret;
}
/* power down chip */
-static int wm8776_remove(struct platform_device *pdev)
+static int wm8776_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);
-
+ wm8776_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-struct snd_soc_codec_device soc_codec_dev_wm8776 = {
+static struct snd_soc_codec_driver soc_codec_dev_wm8776 = {
.probe = wm8776_probe,
.remove = wm8776_remove,
.suspend = wm8776_suspend,
.resume = wm8776_resume,
+ .set_bias_level = wm8776_set_bias_level,
+ .reg_cache_size = sizeof(wm8776_reg),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = wm8776_reg,
};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8776);
-
-static int wm8776_register(struct wm8776_priv *wm8776,
- enum snd_soc_control_type control)
-{
- int ret, i;
- struct snd_soc_codec *codec = &wm8776->codec;
-
- if (wm8776_codec) {
- dev_err(codec->dev, "Another WM8776 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, wm8776);
- codec->name = "WM8776";
- codec->owner = THIS_MODULE;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = wm8776_set_bias_level;
- codec->dai = wm8776_dai;
- codec->num_dai = ARRAY_SIZE(wm8776_dai);
- codec->reg_cache_size = WM8776_CACHEREGNUM;
- codec->reg_cache = &wm8776->reg_cache;
-
- memcpy(codec->reg_cache, wm8776_reg, sizeof(wm8776_reg));
-
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- goto err;
- }
-
- for (i = 0; i < ARRAY_SIZE(wm8776_dai); i++)
- wm8776_dai[i].dev = codec->dev;
-
- ret = wm8776_reset(codec);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
- goto err;
- }
-
- wm8776_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
- /* Latch the update bits; right channel only since we always
- * update both. */
- snd_soc_update_bits(codec, WM8776_HPRVOL, 0x100, 0x100);
- snd_soc_update_bits(codec, WM8776_DACRVOL, 0x100, 0x100);
-
- wm8776_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_dais(wm8776_dai, ARRAY_SIZE(wm8776_dai));
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register DAIs: %d\n", ret);
- goto err_codec;
- }
-
- return 0;
-
-err_codec:
- snd_soc_unregister_codec(codec);
-err:
- kfree(wm8776);
- return ret;
-}
-
-static void wm8776_unregister(struct wm8776_priv *wm8776)
-{
- wm8776_set_bias_level(&wm8776->codec, SND_SOC_BIAS_OFF);
- snd_soc_unregister_dais(wm8776_dai, ARRAY_SIZE(wm8776_dai));
- snd_soc_unregister_codec(&wm8776->codec);
- kfree(wm8776);
- wm8776_codec = NULL;
-}
#if defined(CONFIG_SPI_MASTER)
-static int wm8776_spi_write(struct spi_device *spi, const char *data, int len)
-{
- struct spi_transfer t;
- struct spi_message m;
- u8 msg[2];
-
- if (len <= 0)
- return 0;
-
- msg[0] = data[0];
- msg[1] = data[1];
-
- spi_message_init(&m);
- memset(&t, 0, (sizeof t));
-
- t.tx_buf = &msg[0];
- t.len = len;
-
- spi_message_add_tail(&t, &m);
- spi_sync(spi, &m);
-
- return len;
-}
-
static int __devinit wm8776_spi_probe(struct spi_device *spi)
{
- struct snd_soc_codec *codec;
struct wm8776_priv *wm8776;
+ int ret;
wm8776 = kzalloc(sizeof(struct wm8776_priv), GFP_KERNEL);
if (wm8776 == NULL)
return -ENOMEM;
- codec = &wm8776->codec;
- codec->control_data = spi;
- codec->hw_write = (hw_write_t)wm8776_spi_write;
- codec->dev = &spi->dev;
+ wm8776->control_data = spi;
+ wm8776->control_type = SND_SOC_SPI;
+ spi_set_drvdata(spi, wm8776);
- dev_set_drvdata(&spi->dev, wm8776);
-
- return wm8776_register(wm8776, SND_SOC_SPI);
+ ret = snd_soc_register_codec(&spi->dev,
+ &soc_codec_dev_wm8776, wm8776_dai, ARRAY_SIZE(wm8776_dai));
+ if (ret < 0)
+ kfree(wm8776);
+ return ret;
}
static int __devexit wm8776_spi_remove(struct spi_device *spi)
{
- struct wm8776_priv *wm8776 = dev_get_drvdata(&spi->dev);
-
- wm8776_unregister(wm8776);
-
+ snd_soc_unregister_codec(&spi->dev);
+ kfree(spi_get_drvdata(spi));
return 0;
}
static struct spi_driver wm8776_spi_driver = {
.driver = {
- .name = "wm8776",
+ .name = "wm8776-codec",
.bus = &spi_bus_type,
.owner = THIS_MODULE,
},
const struct i2c_device_id *id)
{
struct wm8776_priv *wm8776;
- struct snd_soc_codec *codec;
+ int ret;
wm8776 = kzalloc(sizeof(struct wm8776_priv), GFP_KERNEL);
if (wm8776 == NULL)
return -ENOMEM;
- codec = &wm8776->codec;
- codec->hw_write = (hw_write_t)i2c_master_send;
-
i2c_set_clientdata(i2c, wm8776);
- codec->control_data = i2c;
-
- codec->dev = &i2c->dev;
+ wm8776->control_data = i2c;
+ wm8776->control_type = SND_SOC_I2C;
- return wm8776_register(wm8776, SND_SOC_I2C);
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm8776, wm8776_dai, ARRAY_SIZE(wm8776_dai));
+ if (ret < 0)
+ kfree(wm8776);
+ return ret;
}
static __devexit int wm8776_i2c_remove(struct i2c_client *client)
{
- struct wm8776_priv *wm8776 = i2c_get_clientdata(client);
- wm8776_unregister(wm8776);
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
static struct i2c_driver wm8776_i2c_driver = {
.driver = {
- .name = "wm8776",
+ .name = "wm8776-codec",
.owner = THIS_MODULE,
},
.probe = wm8776_i2c_probe,
static int __init wm8776_modinit(void)
{
- int ret;
+ int ret = 0;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
ret = i2c_add_driver(&wm8776_i2c_driver);
if (ret != 0) {
- printk(KERN_ERR "Failed to register WM8776 I2C driver: %d\n",
+ printk(KERN_ERR "Failed to register wm8776 I2C driver: %d\n",
ret);
}
#endif
#if defined(CONFIG_SPI_MASTER)
ret = spi_register_driver(&wm8776_spi_driver);
if (ret != 0) {
- printk(KERN_ERR "Failed to register WM8776 SPI driver: %d\n",
+ printk(KERN_ERR "Failed to register wm8776 SPI driver: %d\n",
ret);
}
#endif
- return 0;
+ return ret;
}
module_init(wm8776_modinit);
projects / linux-flexiantxendom0-natty.git / blobdiff