#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
-#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include "wm8750.h"
/* codec private data */
struct wm8750_priv {
unsigned int sysclk;
- struct snd_soc_codec codec;
- u16 reg_cache[ARRAY_SIZE(wm8750_reg)];
+ enum snd_soc_control_type control_type;
};
#define wm8750_reset(c) snd_soc_write(c, WM8750_RESET, 0)
static int wm8750_add_widgets(struct snd_soc_codec *codec)
{
- snd_soc_dapm_new_controls(codec, wm8750_dapm_widgets,
- ARRAY_SIZE(wm8750_dapm_widgets));
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
- snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+ snd_soc_dapm_new_controls(dapm, wm8750_dapm_widgets,
+ ARRAY_SIZE(wm8750_dapm_widgets));
+ snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
return 0;
}
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 wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec);
u16 iface = snd_soc_read(codec, WM8750_IFACE) & 0x1f3;
u16 srate = snd_soc_read(codec, WM8750_SRATE) & 0x1c0;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
- if (codec->bias_level == SND_SOC_BIAS_OFF) {
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
/* Set VMID to 5k */
snd_soc_write(codec, WM8750_PWR1, pwr_reg | 0x01c1);
snd_soc_write(codec, WM8750_PWR1, 0x0001);
break;
}
- codec->bias_level = level;
+ codec->dapm.bias_level = level;
return 0;
}
.set_sysclk = wm8750_set_dai_sysclk,
};
-struct snd_soc_dai wm8750_dai = {
- .name = "WM8750",
+static struct snd_soc_dai_driver wm8750_dai = {
+ .name = "wm8750-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.formats = WM8750_FORMATS,},
.ops = &wm8750_dai_ops,
};
-EXPORT_SYMBOL_GPL(wm8750_dai);
-static int wm8750_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8750_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;
-
wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-static int wm8750_resume(struct platform_device *pdev)
+static int wm8750_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;
return 0;
}
-static struct snd_soc_codec *wm8750_codec;
-
-static int wm8750_probe(struct platform_device *pdev)
+static int wm8750_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- int ret = 0;
-
- if (!wm8750_codec) {
- dev_err(&pdev->dev, "WM8750 codec not yet registered\n");
- return -EINVAL;
- }
-
- socdev->card->codec = wm8750_codec;
- codec = wm8750_codec;
-
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- printk(KERN_ERR "wm8750: failed to create pcms\n");
- goto err;
- }
-
- snd_soc_add_controls(codec, wm8750_snd_controls,
- ARRAY_SIZE(wm8750_snd_controls));
- wm8750_add_widgets(codec);
-
- return 0;
-
-err:
- return ret;
-}
-
-/* power down chip */
-static int wm8750_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_wm8750 = {
- .probe = wm8750_probe,
- .remove = wm8750_remove,
- .suspend = wm8750_suspend,
- .resume = wm8750_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8750);
-
-/*
- * initialise the WM8750 driver
- * register the mixer and dsp interfaces with the kernel
- */
-static int wm8750_register(struct wm8750_priv *wm8750,
- enum snd_soc_control_type control)
-{
- struct snd_soc_codec *codec = &wm8750->codec;
- int reg, ret = 0;
-
- if (wm8750_codec) {
- dev_err(codec->dev, "Multiple WM8750 devices not supported\n");
- ret = -EINVAL;
- goto err;
- }
-
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- codec->name = "WM8750";
- codec->owner = THIS_MODULE;
- codec->bias_level = SND_SOC_BIAS_STANDBY;
- codec->set_bias_level = wm8750_set_bias_level;
- codec->dai = &wm8750_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = ARRAY_SIZE(wm8750->reg_cache) + 1;
- codec->reg_cache = &wm8750->reg_cache;
- snd_soc_codec_set_drvdata(codec, wm8750);
-
- memcpy(codec->reg_cache, wm8750_reg, sizeof(wm8750->reg_cache));
+ struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec);
+ int reg, ret;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8750->control_type);
if (ret < 0) {
printk(KERN_ERR "wm8750: failed to set cache I/O: %d\n", ret);
- goto err;
+ return ret;
}
ret = wm8750_reset(codec);
if (ret < 0) {
printk(KERN_ERR "wm8750: failed to reset: %d\n", ret);
- goto err;
+ return ret;
}
/* charge output caps */
reg = snd_soc_read(codec, WM8750_RINVOL);
snd_soc_write(codec, WM8750_RINVOL, reg | 0x0100);
- wm8750_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(&wm8750_dai, 1);
- 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(wm8750);
+ snd_soc_add_controls(codec, wm8750_snd_controls,
+ ARRAY_SIZE(wm8750_snd_controls));
+ wm8750_add_widgets(codec);
return ret;
}
-static void wm8750_unregister(struct wm8750_priv *wm8750)
+static int wm8750_remove(struct snd_soc_codec *codec)
{
- wm8750_set_bias_level(&wm8750->codec, SND_SOC_BIAS_OFF);
- snd_soc_unregister_dais(&wm8750_dai, 1);
- snd_soc_unregister_codec(&wm8750->codec);
- kfree(wm8750);
- wm8750_codec = NULL;
+ wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ return 0;
}
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-
-/*
- * WM8750 2 wire address is determined by GPIO5
- * state during powerup.
- * low = 0x1a
- * high = 0x1b
- */
+static struct snd_soc_codec_driver soc_codec_dev_wm8750 = {
+ .probe = wm8750_probe,
+ .remove = wm8750_remove,
+ .suspend = wm8750_suspend,
+ .resume = wm8750_resume,
+ .set_bias_level = wm8750_set_bias_level,
+ .reg_cache_size = ARRAY_SIZE(wm8750_reg),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = wm8750_reg,
+};
-static int wm8750_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+#if defined(CONFIG_SPI_MASTER)
+static int __devinit wm8750_spi_probe(struct spi_device *spi)
{
- struct snd_soc_codec *codec;
struct wm8750_priv *wm8750;
+ int ret;
wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL);
if (wm8750 == NULL)
return -ENOMEM;
- codec = &wm8750->codec;
- codec->control_data = i2c;
- i2c_set_clientdata(i2c, wm8750);
-
- codec->dev = &i2c->dev;
+ wm8750->control_type = SND_SOC_SPI;
+ spi_set_drvdata(spi, wm8750);
- return wm8750_register(wm8750, SND_SOC_I2C);
+ ret = snd_soc_register_codec(&spi->dev,
+ &soc_codec_dev_wm8750, &wm8750_dai, 1);
+ if (ret < 0)
+ kfree(wm8750);
+ return ret;
}
-static int wm8750_i2c_remove(struct i2c_client *client)
+static int __devexit wm8750_spi_remove(struct spi_device *spi)
{
- struct wm8750_priv *wm8750 = i2c_get_clientdata(client);
- wm8750_unregister(wm8750);
+ snd_soc_unregister_codec(&spi->dev);
+ kfree(spi_get_drvdata(spi));
return 0;
}
-static const struct i2c_device_id wm8750_i2c_id[] = {
- { "wm8750", 0 },
- { "wm8987", 0 }, /* WM8987 is register compatible with WM8750 */
- { }
-};
-MODULE_DEVICE_TABLE(i2c, wm8750_i2c_id);
-
-static struct i2c_driver wm8750_i2c_driver = {
+static struct spi_driver wm8750_spi_driver = {
.driver = {
- .name = "WM8750 I2C Codec",
- .owner = THIS_MODULE,
+ .name = "wm8750-codec",
+ .owner = THIS_MODULE,
},
- .probe = wm8750_i2c_probe,
- .remove = wm8750_i2c_remove,
- .id_table = wm8750_i2c_id,
+ .probe = wm8750_spi_probe,
+ .remove = __devexit_p(wm8750_spi_remove),
};
-#endif
+#endif /* CONFIG_SPI_MASTER */
-#if defined(CONFIG_SPI_MASTER)
-static int __devinit wm8750_spi_probe(struct spi_device *spi)
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+static __devinit int wm8750_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
- struct snd_soc_codec *codec;
struct wm8750_priv *wm8750;
+ int ret;
wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL);
if (wm8750 == NULL)
return -ENOMEM;
- codec = &wm8750->codec;
- codec->control_data = spi;
- codec->dev = &spi->dev;
-
- dev_set_drvdata(&spi->dev, wm8750);
+ i2c_set_clientdata(i2c, wm8750);
+ wm8750->control_type = SND_SOC_I2C;
- return wm8750_register(wm8750, SND_SOC_SPI);
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm8750, &wm8750_dai, 1);
+ if (ret < 0)
+ kfree(wm8750);
+ return ret;
}
-static int __devexit wm8750_spi_remove(struct spi_device *spi)
+static __devexit int wm8750_i2c_remove(struct i2c_client *client)
{
- struct wm8750_priv *wm8750 = dev_get_drvdata(&spi->dev);
- wm8750_unregister(wm8750);
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
-static const struct spi_device_id wm8750_spi_id[] = {
+static const struct i2c_device_id wm8750_i2c_id[] = {
{ "wm8750", 0 },
{ "wm8987", 0 },
{ }
};
-MODULE_DEVICE_TABLE(spi, wm8750_spi_id);
+MODULE_DEVICE_TABLE(i2c, wm8750_i2c_id);
-static struct spi_driver wm8750_spi_driver = {
+static struct i2c_driver wm8750_i2c_driver = {
.driver = {
- .name = "WM8750 SPI Codec",
- .bus = &spi_bus_type,
- .owner = THIS_MODULE,
+ .name = "wm8750-codec",
+ .owner = THIS_MODULE,
},
- .probe = wm8750_spi_probe,
- .remove = __devexit_p(wm8750_spi_remove),
- .id_table = wm8750_spi_id,
+ .probe = wm8750_i2c_probe,
+ .remove = __devexit_p(wm8750_i2c_remove),
+ .id_table = wm8750_i2c_id,
};
#endif
static int __init wm8750_modinit(void)
{
- int ret;
+ int ret = 0;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
ret = i2c_add_driver(&wm8750_i2c_driver);
- if (ret != 0)
- pr_err("Failed to register WM8750 I2C driver: %d\n", ret);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register wm8750 I2C driver: %d\n",
+ ret);
+ }
#endif
#if defined(CONFIG_SPI_MASTER)
ret = spi_register_driver(&wm8750_spi_driver);
- if (ret != 0)
- pr_err("Failed to register WM8750 SPI driver: %d\n", ret);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register wm8750 SPI driver: %d\n",
+ ret);
+ }
#endif
- return 0;
+ return ret;
}
module_init(wm8750_modinit);
projects / mv-sheeva.git / blobdiff