#define WM8510_VERSION "0.6"
-struct snd_soc_codec_device soc_codec_dev_wm8510;
-
/*
* wm8510 register cache
* We can't read the WM8510 register space when we are
#define wm8510_reset(c) snd_soc_write(c, WM8510_RESET, 0)
+/* codec private data */
+struct wm8510_priv {
+ enum snd_soc_control_type control_type;
+ void *control_data;
+};
+
static const char *wm8510_companding[] = { "Off", "NC", "u-law", "A-law" };
static const char *wm8510_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
static const char *wm8510_alc[] = { "ALC", "Limiter" };
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;
u16 iface = snd_soc_read(codec, WM8510_IFACE) & 0x19f;
u16 adn = snd_soc_read(codec, WM8510_ADD) & 0x1f1;
.set_pll = wm8510_set_dai_pll,
};
-struct snd_soc_dai wm8510_dai = {
- .name = "WM8510 HiFi",
+static struct snd_soc_dai_driver wm8510_dai = {
+ .name = "wm8510-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 2,
.ops = &wm8510_dai_ops,
.symmetric_rates = 1,
};
-EXPORT_SYMBOL_GPL(wm8510_dai);
-static int wm8510_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8510_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;
-
wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-static int wm8510_resume(struct platform_device *pdev)
+static int wm8510_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;
}
-/*
- * initialise the WM8510 driver
- * register the mixer and dsp interfaces with the kernel
- */
-static int wm8510_init(struct snd_soc_device *socdev,
- enum snd_soc_control_type control)
+static int wm8510_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_codec *codec = socdev->card->codec;
- int ret = 0;
-
- codec->name = "WM8510";
- codec->owner = THIS_MODULE;
- codec->set_bias_level = wm8510_set_bias_level;
- codec->dai = &wm8510_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = ARRAY_SIZE(wm8510_reg);
- codec->reg_cache = kmemdup(wm8510_reg, sizeof(wm8510_reg), GFP_KERNEL);
+ struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec);
+ int ret;
- if (codec->reg_cache == NULL)
- return -ENOMEM;
+ pr_info("WM8510 Audio Codec %s", WM8510_VERSION);
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+ codec->control_data = wm8510->control_data;
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8510->control_type);
if (ret < 0) {
- printk(KERN_ERR "wm8510: failed to set cache I/O: %d\n",
- ret);
- goto err;
+ printk(KERN_ERR "wm8510: failed to set cache I/O: %d\n", ret);
+ return ret;
}
wm8510_reset(codec);
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- printk(KERN_ERR "wm8510: failed to create pcms\n");
- goto err;
- }
-
/* power on device */
codec->bias_level = SND_SOC_BIAS_OFF;
wm8510_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
wm8510_add_widgets(codec);
return ret;
-
-err:
- kfree(codec->reg_cache);
- return ret;
}
-static struct snd_soc_device *wm8510_socdev;
-
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-
-/*
- * WM8510 2 wire address is 0x1a
- */
-
-static int wm8510_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+/* power down chip */
+static int wm8510_remove(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = wm8510_socdev;
- struct snd_soc_codec *codec = socdev->card->codec;
- int ret;
-
- i2c_set_clientdata(i2c, codec);
- codec->control_data = i2c;
-
- ret = wm8510_init(socdev, SND_SOC_I2C);
- if (ret < 0)
- pr_err("failed to initialise WM8510\n");
-
- return ret;
-}
+ struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec);
-static int wm8510_i2c_remove(struct i2c_client *client)
-{
- struct snd_soc_codec *codec = i2c_get_clientdata(client);
- kfree(codec->reg_cache);
+ wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ kfree(wm8510);
return 0;
}
-static const struct i2c_device_id wm8510_i2c_id[] = {
- { "wm8510", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, wm8510_i2c_id);
-
-static struct i2c_driver wm8510_i2c_driver = {
- .driver = {
- .name = "WM8510 I2C Codec",
- .owner = THIS_MODULE,
- },
- .probe = wm8510_i2c_probe,
- .remove = wm8510_i2c_remove,
- .id_table = wm8510_i2c_id,
+static struct snd_soc_codec_driver soc_codec_dev_wm8510 = {
+ .probe = wm8510_probe,
+ .remove = wm8510_remove,
+ .suspend = wm8510_suspend,
+ .resume = wm8510_resume,
+ .set_bias_level = wm8510_set_bias_level,
+ .reg_cache_size = ARRAY_SIZE(wm8510_reg),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default =wm8510_reg,
};
-static int wm8510_add_i2c_device(struct platform_device *pdev,
- const struct wm8510_setup_data *setup)
-{
- struct i2c_board_info info;
- struct i2c_adapter *adapter;
- struct i2c_client *client;
- int ret;
-
- ret = i2c_add_driver(&wm8510_i2c_driver);
- if (ret != 0) {
- dev_err(&pdev->dev, "can't add i2c driver\n");
- return ret;
- }
-
- memset(&info, 0, sizeof(struct i2c_board_info));
- info.addr = setup->i2c_address;
- strlcpy(info.type, "wm8510", I2C_NAME_SIZE);
-
- adapter = i2c_get_adapter(setup->i2c_bus);
- if (!adapter) {
- dev_err(&pdev->dev, "can't get i2c adapter %d\n",
- setup->i2c_bus);
- goto err_driver;
- }
-
- client = i2c_new_device(adapter, &info);
- i2c_put_adapter(adapter);
- if (!client) {
- dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
- (unsigned int)info.addr);
- goto err_driver;
- }
-
- return 0;
-
-err_driver:
- i2c_del_driver(&wm8510_i2c_driver);
- return -ENODEV;
-}
-#endif
-
#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8510_spi_probe(struct spi_device *spi)
{
- struct snd_soc_device *socdev = wm8510_socdev;
- struct snd_soc_codec *codec = socdev->card->codec;
+ struct wm8510_priv *wm8510;
int ret;
- codec->control_data = spi;
+ wm8510 = kzalloc(sizeof(struct wm8510_priv), GFP_KERNEL);
+ if (wm8510 == NULL)
+ return -ENOMEM;
+
+ wm8510->control_data = spi;
+ wm8510->control_type = SND_SOC_SPI;
+ spi_set_drvdata(spi, wm8510);
- ret = wm8510_init(socdev, SND_SOC_SPI);
+ ret = snd_soc_register_codec(&spi->dev,
+ &soc_codec_dev_wm8510, &wm8510_dai, 1);
if (ret < 0)
- dev_err(&spi->dev, "failed to initialise WM8510\n");
-
+ kfree(wm8510);
return ret;
}
static int __devexit wm8510_spi_remove(struct spi_device *spi)
{
+ snd_soc_unregister_codec(&spi->dev);
return 0;
}
};
#endif /* CONFIG_SPI_MASTER */
-static int wm8510_probe(struct platform_device *pdev)
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+static __devinit int wm8510_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct wm8510_setup_data *setup;
- struct snd_soc_codec *codec;
- int ret = 0;
-
- pr_info("WM8510 Audio Codec %s", WM8510_VERSION);
+ struct wm8510_priv *wm8510;
+ int ret;
- setup = socdev->codec_data;
- codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
- if (codec == NULL)
+ wm8510 = kzalloc(sizeof(struct wm8510_priv), GFP_KERNEL);
+ if (wm8510 == NULL)
return -ENOMEM;
- socdev->card->codec = codec;
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
+ i2c_set_clientdata(i2c, wm8510);
+ wm8510->control_data = i2c;
+ wm8510->control_type = SND_SOC_I2C;
- wm8510_socdev = socdev;
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- if (setup->i2c_address) {
- ret = wm8510_add_i2c_device(pdev, setup);
- }
-#endif
-#if defined(CONFIG_SPI_MASTER)
- if (setup->spi) {
- ret = spi_register_driver(&wm8510_spi_driver);
- if (ret != 0)
- printk(KERN_ERR "can't add spi driver");
- }
-#endif
-
- if (ret != 0)
- kfree(codec);
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm8510, &wm8510_dai, 1);
+ if (ret < 0)
+ kfree(wm8510);
return ret;
}
-/* power down chip */
-static int wm8510_remove(struct platform_device *pdev)
+static __devexit int wm8510_i2c_remove(struct i2c_client *client)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
- if (codec->control_data)
- wm8510_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- i2c_unregister_device(codec->control_data);
- i2c_del_driver(&wm8510_i2c_driver);
-#endif
-#if defined(CONFIG_SPI_MASTER)
- spi_unregister_driver(&wm8510_spi_driver);
-#endif
- kfree(codec);
-
+ snd_soc_unregister_codec(&client->dev);
return 0;
}
-struct snd_soc_codec_device soc_codec_dev_wm8510 = {
- .probe = wm8510_probe,
- .remove = wm8510_remove,
- .suspend = wm8510_suspend,
- .resume = wm8510_resume,
+static const struct i2c_device_id wm8510_i2c_id[] = {
+ { "wm8510", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8510_i2c_id);
+
+static struct i2c_driver wm8510_i2c_driver = {
+ .driver = {
+ .name = "wm8510-codec",
+ .owner = THIS_MODULE,
+ },
+ .probe = wm8510_i2c_probe,
+ .remove = __devexit_p(wm8510_i2c_remove),
+ .id_table = wm8510_i2c_id,
};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8510);
+#endif
static int __init wm8510_modinit(void)
{
- return snd_soc_register_dai(&wm8510_dai);
+ int ret = 0;
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ ret = i2c_add_driver(&wm8510_i2c_driver);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register WM8510 I2C driver: %d\n",
+ ret);
+ }
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ ret = spi_register_driver(&wm8510_spi_driver);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register WM8510 SPI driver: %d\n",
+ ret);
+ }
+#endif
+ return ret;
}
module_init(wm8510_modinit);
static void __exit wm8510_exit(void)
{
- snd_soc_unregister_dai(&wm8510_dai);
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ i2c_del_driver(&wm8510_i2c_driver);
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ spi_unregister_driver(&wm8510_spi_driver);
+#endif
}
module_exit(wm8510_exit);
projects / deliverable / linux.git / blobdiff