#include "wm8728.h"
-struct snd_soc_codec_device soc_codec_dev_wm8728;
-
/*
* We can't read the WM8728 register space so we cache them instead.
* Note that the defaults here aren't the physical defaults, we latch
0x100,
};
+/* codec private data */
+struct wm8728_priv {
+ enum snd_soc_control_type control_type;
+ void *control_data;
+};
+
static const DECLARE_TLV_DB_SCALE(wm8728_tlv, -12750, 50, 1);
static const struct snd_kcontrol_new wm8728_snd_controls[] = {
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 dac = snd_soc_read(codec, WM8728_DACCTL);
dac &= ~0x18;
.set_fmt = wm8728_set_dai_fmt,
};
-struct snd_soc_dai wm8728_dai = {
- .name = "WM8728",
+static struct snd_soc_dai_driver wm8728_dai = {
+ .name = "wm8728-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 2,
},
.ops = &wm8728_dai_ops,
};
-EXPORT_SYMBOL_GPL(wm8728_dai);
-static int wm8728_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8728_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;
-
wm8728_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-static int wm8728_resume(struct platform_device *pdev)
+static int wm8728_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
wm8728_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
-/*
- * initialise the WM8728 driver
- * register the mixer and dsp interfaces with the kernel
- */
-static int wm8728_init(struct snd_soc_device *socdev,
- enum snd_soc_control_type control)
+static int wm8728_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_codec *codec = socdev->card->codec;
- int ret = 0;
-
- codec->name = "WM8728";
- codec->owner = THIS_MODULE;
- codec->set_bias_level = wm8728_set_bias_level;
- codec->dai = &wm8728_dai;
- codec->num_dai = 1;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->reg_cache_size = ARRAY_SIZE(wm8728_reg_defaults);
- codec->reg_cache = kmemdup(wm8728_reg_defaults,
- sizeof(wm8728_reg_defaults),
- GFP_KERNEL);
- if (codec->reg_cache == NULL)
- return -ENOMEM;
+ struct wm8728_priv *wm8728 = snd_soc_codec_get_drvdata(codec);
+ int ret;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+ codec->control_data = wm8728->control_data;
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8728->control_type);
if (ret < 0) {
printk(KERN_ERR "wm8728: failed to configure cache I/O: %d\n",
ret);
- goto err;
- }
-
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- printk(KERN_ERR "wm8728: failed to create pcms\n");
- goto err;
+ return ret;
}
/* power on device */
wm8728_add_widgets(codec);
return ret;
-
-err:
- kfree(codec->reg_cache);
- return ret;
}
-static struct snd_soc_device *wm8728_socdev;
-
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-
-/*
- * WM8728 2 wire address is determined by GPIO5
- * state during powerup.
- * low = 0x1a
- * high = 0x1b
- */
-
-static int wm8728_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static int wm8728_remove(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = wm8728_socdev;
- struct snd_soc_codec *codec = socdev->card->codec;
- int ret;
-
- i2c_set_clientdata(i2c, codec);
- codec->control_data = i2c;
-
- ret = wm8728_init(socdev, SND_SOC_I2C);
- if (ret < 0)
- pr_err("failed to initialise WM8728\n");
-
- return ret;
-}
-
-static int wm8728_i2c_remove(struct i2c_client *client)
-{
- struct snd_soc_codec *codec = i2c_get_clientdata(client);
- kfree(codec->reg_cache);
+ wm8728_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-static const struct i2c_device_id wm8728_i2c_id[] = {
- { "wm8728", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, wm8728_i2c_id);
-
-static struct i2c_driver wm8728_i2c_driver = {
- .driver = {
- .name = "WM8728 I2C Codec",
- .owner = THIS_MODULE,
- },
- .probe = wm8728_i2c_probe,
- .remove = wm8728_i2c_remove,
- .id_table = wm8728_i2c_id,
+static struct snd_soc_codec_driver soc_codec_dev_wm8728 = {
+ .probe = wm8728_probe,
+ .remove = wm8728_remove,
+ .suspend = wm8728_suspend,
+ .resume = wm8728_resume,
+ .set_bias_level = wm8728_set_bias_level,
+ .reg_cache_size = sizeof(wm8728_reg_defaults),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = wm8728_reg_defaults,
};
-static int wm8728_add_i2c_device(struct platform_device *pdev,
- const struct wm8728_setup_data *setup)
-{
- struct i2c_board_info info;
- struct i2c_adapter *adapter;
- struct i2c_client *client;
- int ret;
-
- ret = i2c_add_driver(&wm8728_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, "wm8728", 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(&wm8728_i2c_driver);
- return -ENODEV;
-}
-#endif
-
#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8728_spi_probe(struct spi_device *spi)
{
- struct snd_soc_device *socdev = wm8728_socdev;
- struct snd_soc_codec *codec = socdev->card->codec;
+ struct wm8728_priv *wm8728;
int ret;
- codec->control_data = spi;
+ wm8728 = kzalloc(sizeof(struct wm8728_priv), GFP_KERNEL);
+ if (wm8728 == NULL)
+ return -ENOMEM;
- ret = wm8728_init(socdev, SND_SOC_SPI);
- if (ret < 0)
- dev_err(&spi->dev, "failed to initialise WM8728\n");
+ wm8728->control_data = spi;
+ wm8728->control_type = SND_SOC_SPI;
+ spi_set_drvdata(spi, wm8728);
+ ret = snd_soc_register_codec(&spi->dev,
+ &soc_codec_dev_wm8728, &wm8728_dai, 1);
+ if (ret < 0)
+ kfree(wm8728);
return ret;
}
static int __devexit wm8728_spi_remove(struct spi_device *spi)
{
+ snd_soc_unregister_codec(&spi->dev);
+ kfree(spi_get_drvdata(spi));
return 0;
}
static struct spi_driver wm8728_spi_driver = {
.driver = {
- .name = "wm8728",
+ .name = "wm8728-codec",
.bus = &spi_bus_type,
.owner = THIS_MODULE,
},
};
#endif /* CONFIG_SPI_MASTER */
-static int wm8728_probe(struct platform_device *pdev)
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+static __devinit int wm8728_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct wm8728_setup_data *setup;
- struct snd_soc_codec *codec;
- int ret = 0;
+ struct wm8728_priv *wm8728;
+ int ret;
- setup = socdev->codec_data;
- codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
- if (codec == NULL)
+ wm8728 = kzalloc(sizeof(struct wm8728_priv), GFP_KERNEL);
+ if (wm8728 == 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, wm8728);
+ wm8728->control_data = i2c;
+ wm8728->control_type = SND_SOC_I2C;
+
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm8728, &wm8728_dai, 1);
+ if (ret < 0)
+ kfree(wm8728);
+ return ret;
+}
+
+static __devexit int wm8728_i2c_remove(struct i2c_client *client)
+{
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
+ return 0;
+}
- wm8728_socdev = socdev;
- ret = -ENODEV;
+static const struct i2c_device_id wm8728_i2c_id[] = {
+ { "wm8728", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8728_i2c_id);
+
+static struct i2c_driver wm8728_i2c_driver = {
+ .driver = {
+ .name = "wm8728-codec",
+ .owner = THIS_MODULE,
+ },
+ .probe = wm8728_i2c_probe,
+ .remove = __devexit_p(wm8728_i2c_remove),
+ .id_table = wm8728_i2c_id,
+};
+#endif
+static int __init wm8728_modinit(void)
+{
+ int ret = 0;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- if (setup->i2c_address) {
- ret = wm8728_add_i2c_device(pdev, setup);
+ ret = i2c_add_driver(&wm8728_i2c_driver);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register wm8728 I2C driver: %d\n",
+ ret);
}
#endif
#if defined(CONFIG_SPI_MASTER)
- if (setup->spi) {
- ret = spi_register_driver(&wm8728_spi_driver);
- if (ret != 0)
- printk(KERN_ERR "can't add spi driver");
+ ret = spi_register_driver(&wm8728_spi_driver);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register wm8728 SPI driver: %d\n",
+ ret);
}
#endif
-
- if (ret != 0)
- kfree(codec);
-
return ret;
}
+module_init(wm8728_modinit);
-/* power down chip */
-static int wm8728_remove(struct platform_device *pdev)
+static void __exit wm8728_exit(void)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
- if (codec->control_data)
- wm8728_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(&wm8728_i2c_driver);
#endif
#if defined(CONFIG_SPI_MASTER)
spi_unregister_driver(&wm8728_spi_driver);
#endif
- kfree(codec);
-
- return 0;
-}
-
-struct snd_soc_codec_device soc_codec_dev_wm8728 = {
- .probe = wm8728_probe,
- .remove = wm8728_remove,
- .suspend = wm8728_suspend,
- .resume = wm8728_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8728);
-
-static int __init wm8728_modinit(void)
-{
- return snd_soc_register_dai(&wm8728_dai);
-}
-module_init(wm8728_modinit);
-
-static void __exit wm8728_exit(void)
-{
- snd_soc_unregister_dai(&wm8728_dai);
}
module_exit(wm8728_exit);
projects / mv-sheeva.git / blobdiff