#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
-#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
struct wm8940_priv {
unsigned int sysclk;
- u16 reg_cache[WM8940_CACHEREGNUM];
- struct snd_soc_codec codec;
+ enum snd_soc_control_type control_type;
+ void *control_data;
};
static u16 wm8940_reg_defaults[] = {
static int wm8940_add_widgets(struct snd_soc_codec *codec)
{
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
int ret;
- ret = snd_soc_dapm_new_controls(codec, wm8940_dapm_widgets,
+ ret = snd_soc_dapm_new_controls(dapm, wm8940_dapm_widgets,
ARRAY_SIZE(wm8940_dapm_widgets));
if (ret)
goto error_ret;
- ret = snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+ ret = snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
if (ret)
goto error_ret;
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, WM8940_IFACE) & 0xFD9F;
u16 addcntrl = snd_soc_read(codec, WM8940_ADDCNTRL) & 0xFFF1;
u16 companding = snd_soc_read(codec,
.set_pll = wm8940_set_dai_pll,
};
-struct snd_soc_dai wm8940_dai = {
- .name = "WM8940",
+static struct snd_soc_dai_driver wm8940_dai = {
+ .name = "wm8940-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.ops = &wm8940_dai_ops,
.symmetric_rates = 1,
};
-EXPORT_SYMBOL_GPL(wm8940_dai);
-static int wm8940_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8940_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;
-
return wm8940_set_bias_level(codec, SND_SOC_BIAS_OFF);
}
-static int wm8940_resume(struct platform_device *pdev)
+static int wm8940_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;
int ret;
u8 data[3];
return ret;
}
-static struct snd_soc_codec *wm8940_codec;
-
-static int wm8940_probe(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
-
- int ret = 0;
-
- if (wm8940_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
- }
-
- socdev->card->codec = wm8940_codec;
- codec = wm8940_codec;
-
- mutex_init(&codec->mutex);
- /* 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;
- }
-
- ret = snd_soc_add_controls(codec, wm8940_snd_controls,
- ARRAY_SIZE(wm8940_snd_controls));
- if (ret)
- goto error_free_pcms;
- ret = wm8940_add_widgets(codec);
- if (ret)
- goto error_free_pcms;
-
- return ret;
-
-error_free_pcms:
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
-pcm_err:
- return ret;
-}
-
-static int wm8940_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_wm8940 = {
- .probe = wm8940_probe,
- .remove = wm8940_remove,
- .suspend = wm8940_suspend,
- .resume = wm8940_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8940);
-
-static int wm8940_register(struct wm8940_priv *wm8940,
- enum snd_soc_control_type control)
+static int wm8940_probe(struct snd_soc_codec *codec)
{
- struct wm8940_setup_data *pdata = wm8940->codec.dev->platform_data;
- struct snd_soc_codec *codec = &wm8940->codec;
+ struct wm8940_priv *wm8940 = snd_soc_codec_get_drvdata(codec);
+ struct wm8940_setup_data *pdata = codec->dev->platform_data;
int ret;
u16 reg;
- if (wm8940_codec) {
- dev_err(codec->dev, "Another WM8940 is registered\n");
- return -EINVAL;
- }
-
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- snd_soc_codec_set_drvdata(codec, wm8940);
- codec->name = "WM8940";
- codec->owner = THIS_MODULE;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = wm8940_set_bias_level;
- codec->dai = &wm8940_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = ARRAY_SIZE(wm8940_reg_defaults);
- codec->reg_cache = &wm8940->reg_cache;
- ret = snd_soc_codec_set_cache_io(codec, 8, 16, control);
+ codec->control_data = wm8940->control_data;
+ ret = snd_soc_codec_set_cache_io(codec, 8, 16, wm8940->control_type);
if (ret < 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
return ret;
}
- memcpy(codec->reg_cache, wm8940_reg_defaults,
- sizeof(wm8940_reg_defaults));
-
ret = wm8940_reset(codec);
if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset\n");
return ret;
}
- wm8940_dai.dev = codec->dev;
-
wm8940_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
ret = snd_soc_write(codec, WM8940_POWER1, 0x180);
return ret;
}
-
- wm8940_codec = codec;
-
- ret = snd_soc_register_codec(codec);
- if (ret) {
- dev_err(codec->dev, "Failed to register codec: %d\n", ret);
+ ret = snd_soc_add_controls(codec, wm8940_snd_controls,
+ ARRAY_SIZE(wm8940_snd_controls));
+ if (ret)
return ret;
- }
-
- ret = snd_soc_register_dai(&wm8940_dai);
- if (ret) {
- dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
- snd_soc_unregister_codec(codec);
+ ret = wm8940_add_widgets(codec);
+ if (ret)
return ret;
- }
- return 0;
+ return ret;
}
-static void wm8940_unregister(struct wm8940_priv *wm8940)
+static int wm8940_remove(struct snd_soc_codec *codec)
{
- wm8940_set_bias_level(&wm8940->codec, SND_SOC_BIAS_OFF);
- snd_soc_unregister_dai(&wm8940_dai);
- snd_soc_unregister_codec(&wm8940->codec);
- kfree(wm8940);
- wm8940_codec = NULL;
+ wm8940_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ return 0;
}
-static int wm8940_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static struct snd_soc_codec_driver soc_codec_dev_wm8940 = {
+ .probe = wm8940_probe,
+ .remove = wm8940_remove,
+ .suspend = wm8940_suspend,
+ .resume = wm8940_resume,
+ .set_bias_level = wm8940_set_bias_level,
+ .reg_cache_size = ARRAY_SIZE(wm8940_reg_defaults),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = wm8940_reg_defaults,
+};
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+static __devinit int wm8940_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
- int ret;
struct wm8940_priv *wm8940;
- struct snd_soc_codec *codec;
+ int ret;
- wm8940 = kzalloc(sizeof *wm8940, GFP_KERNEL);
+ wm8940 = kzalloc(sizeof(struct wm8940_priv), GFP_KERNEL);
if (wm8940 == NULL)
return -ENOMEM;
- codec = &wm8940->codec;
- codec->hw_write = (hw_write_t)i2c_master_send;
i2c_set_clientdata(i2c, wm8940);
- codec->control_data = i2c;
- codec->dev = &i2c->dev;
+ wm8940->control_data = i2c;
+ wm8940->control_type = SND_SOC_I2C;
- ret = wm8940_register(wm8940, SND_SOC_I2C);
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm8940, &wm8940_dai, 1);
if (ret < 0)
kfree(wm8940);
-
return ret;
}
-static int __devexit wm8940_i2c_remove(struct i2c_client *client)
+static __devexit int wm8940_i2c_remove(struct i2c_client *client)
{
- struct wm8940_priv *wm8940 = i2c_get_clientdata(client);
-
- wm8940_unregister(wm8940);
-
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
static struct i2c_driver wm8940_i2c_driver = {
.driver = {
- .name = "WM8940 I2C Codec",
+ .name = "wm8940-codec",
.owner = THIS_MODULE,
},
- .probe = wm8940_i2c_probe,
- .remove = __devexit_p(wm8940_i2c_remove),
+ .probe = wm8940_i2c_probe,
+ .remove = __devexit_p(wm8940_i2c_remove),
.id_table = wm8940_i2c_id,
};
+#endif
static int __init wm8940_modinit(void)
{
- int ret;
-
+ int ret = 0;
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
ret = i2c_add_driver(&wm8940_i2c_driver);
- if (ret)
- printk(KERN_ERR "Failed to register WM8940 I2C driver: %d\n",
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register wm8940 I2C driver: %d\n",
ret);
+ }
+#endif
return ret;
}
module_init(wm8940_modinit);
static void __exit wm8940_exit(void)
{
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
i2c_del_driver(&wm8940_i2c_driver);
+#endif
}
module_exit(wm8940_exit);
projects / mv-sheeva.git / blobdiff