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Diffstat (limited to 'sound/soc/codecs/wm8961.c')
-rw-r--r--sound/soc/codecs/wm8961.c241
1 files changed, 77 insertions, 164 deletions
diff --git a/sound/soc/codecs/wm8961.c b/sound/soc/codecs/wm8961.c
index 2549d3a297a..5ebe2c04e5c 100644
--- a/sound/soc/codecs/wm8961.c
+++ b/sound/soc/codecs/wm8961.c
@@ -288,7 +288,8 @@ static u16 wm8961_reg_defaults[] = {
};
struct wm8961_priv {
- struct snd_soc_codec codec;
+ enum snd_soc_control_type control_type;
+ void *control_data;
int sysclk;
u16 reg_cache[WM8961_MAX_REGISTER];
};
@@ -940,8 +941,8 @@ static struct snd_soc_dai_ops wm8961_dai_ops = {
.set_clkdiv = wm8961_set_clkdiv,
};
-struct snd_soc_dai wm8961_dai = {
- .name = "WM8961",
+static struct snd_soc_dai_driver wm8961_dai = {
+ .name = "wm8961-hifi",
.playback = {
.stream_name = "HiFi Playback",
.channels_min = 1,
@@ -956,140 +957,24 @@ struct snd_soc_dai wm8961_dai = {
.formats = WM8961_FORMATS,},
.ops = &wm8961_dai_ops,
};
-EXPORT_SYMBOL_GPL(wm8961_dai);
-
-static struct snd_soc_codec *wm8961_codec;
-
-static int wm8961_probe(struct platform_device *pdev)
+static int wm8961_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
+ struct wm8961_priv *wm8961 = snd_soc_codec_get_drvdata(codec);
int ret = 0;
-
- if (wm8961_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
- }
-
- socdev->card->codec = wm8961_codec;
- codec = wm8961_codec;
-
- /* 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;
- }
-
- snd_soc_add_controls(codec, wm8961_snd_controls,
- ARRAY_SIZE(wm8961_snd_controls));
- snd_soc_dapm_new_controls(codec, wm8961_dapm_widgets,
- ARRAY_SIZE(wm8961_dapm_widgets));
- snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths));
-
- return ret;
-
-pcm_err:
- return ret;
-}
-
-static int wm8961_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;
-}
-
-#ifdef CONFIG_PM
-static int wm8961_suspend(struct platform_device *pdev, pm_message_t state)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
- wm8961_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
- return 0;
-}
-
-static int wm8961_resume(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
- u16 *reg_cache = codec->reg_cache;
- int i;
-
- for (i = 0; i < codec->reg_cache_size; i++) {
- if (reg_cache[i] == wm8961_reg_defaults[i])
- continue;
-
- if (i == WM8961_SOFTWARE_RESET)
- continue;
-
- snd_soc_write(codec, i, reg_cache[i]);
- }
-
- wm8961_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
- return 0;
-}
-#else
-#define wm8961_suspend NULL
-#define wm8961_resume NULL
-#endif
-
-struct snd_soc_codec_device soc_codec_dev_wm8961 = {
- .probe = wm8961_probe,
- .remove = wm8961_remove,
- .suspend = wm8961_suspend,
- .resume = wm8961_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8961);
-
-static int wm8961_register(struct wm8961_priv *wm8961)
-{
- struct snd_soc_codec *codec = &wm8961->codec;
- int ret;
u16 reg;
- if (wm8961_codec) {
- dev_err(codec->dev, "Another WM8961 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, wm8961);
- codec->name = "WM8961";
- codec->owner = THIS_MODULE;
- codec->dai = &wm8961_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = ARRAY_SIZE(wm8961->reg_cache);
- codec->reg_cache = &wm8961->reg_cache;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = wm8961_set_bias_level;
- codec->volatile_register = wm8961_volatile_register;
-
- memcpy(codec->reg_cache, wm8961_reg_defaults,
- sizeof(wm8961_reg_defaults));
-
+ codec->control_data = wm8961->control_data;
ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
if (ret != 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- goto err;
+ return ret;
}
reg = snd_soc_read(codec, WM8961_SOFTWARE_RESET);
if (reg != 0x1801) {
dev_err(codec->dev, "Device is not a WM8961: ID=0x%x\n", reg);
- ret = -EINVAL;
- goto err;
+ return -EINVAL;
}
/* This isn't volatile - readback doesn't correspond to write */
@@ -1102,7 +987,7 @@ static int wm8961_register(struct wm8961_priv *wm8961)
ret = wm8961_reset(codec);
if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset\n");
- goto err;
+ return ret;
}
/* Enable class W */
@@ -1140,64 +1025,90 @@ static int wm8961_register(struct wm8961_priv *wm8961)
wm8961_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- wm8961_dai.dev = codec->dev;
+ snd_soc_add_controls(codec, wm8961_snd_controls,
+ ARRAY_SIZE(wm8961_snd_controls));
+ snd_soc_dapm_new_controls(codec, wm8961_dapm_widgets,
+ ARRAY_SIZE(wm8961_dapm_widgets));
+ snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths));
- wm8961_codec = codec;
+ return 0;
+}
- ret = snd_soc_register_codec(codec);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- goto err;
- }
+static int wm8961_remove(struct snd_soc_codec *codec)
+{
+ wm8961_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ return 0;
+}
- ret = snd_soc_register_dai(&wm8961_dai);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
- goto err_codec;
- }
+#ifdef CONFIG_PM
+static int wm8961_suspend(struct snd_soc_codec *codec, pm_message_t state)
+{
+ wm8961_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
-
-err_codec:
- snd_soc_unregister_codec(codec);
-err:
- kfree(wm8961);
- return ret;
}
-static void wm8961_unregister(struct wm8961_priv *wm8961)
+static int wm8961_resume(struct snd_soc_codec *codec)
{
- wm8961_set_bias_level(&wm8961->codec, SND_SOC_BIAS_OFF);
- snd_soc_unregister_dai(&wm8961_dai);
- snd_soc_unregister_codec(&wm8961->codec);
- kfree(wm8961);
- wm8961_codec = NULL;
+ u16 *reg_cache = codec->reg_cache;
+ int i;
+
+ for (i = 0; i < codec->driver->reg_cache_size; i++) {
+ if (reg_cache[i] == wm8961_reg_defaults[i])
+ continue;
+
+ if (i == WM8961_SOFTWARE_RESET)
+ continue;
+
+ snd_soc_write(codec, i, reg_cache[i]);
+ }
+
+ wm8961_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ return 0;
}
+#else
+#define wm8961_suspend NULL
+#define wm8961_resume NULL
+#endif
+static struct snd_soc_codec_driver soc_codec_dev_wm8961 = {
+ .probe = wm8961_probe,
+ .remove = wm8961_remove,
+ .suspend = wm8961_suspend,
+ .resume = wm8961_resume,
+ .set_bias_level = wm8961_set_bias_level,
+ .reg_cache_size = sizeof(wm8961_reg_defaults),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = wm8961_reg_defaults,
+ .volatile_register = wm8961_volatile_register,
+};
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
static __devinit int wm8961_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct wm8961_priv *wm8961;
- struct snd_soc_codec *codec;
+ int ret;
wm8961 = kzalloc(sizeof(struct wm8961_priv), GFP_KERNEL);
if (wm8961 == NULL)
return -ENOMEM;
- codec = &wm8961->codec;
-
i2c_set_clientdata(i2c, wm8961);
- codec->control_data = i2c;
-
- codec->dev = &i2c->dev;
+ wm8961->control_data = i2c;
- return wm8961_register(wm8961);
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm8961, &wm8961_dai, 1);
+ if (ret < 0)
+ kfree(wm8961);
+ return ret;
}
static __devexit int wm8961_i2c_remove(struct i2c_client *client)
{
- struct wm8961_priv *wm8961 = i2c_get_clientdata(client);
- wm8961_unregister(wm8961);
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
@@ -1209,35 +1120,37 @@ MODULE_DEVICE_TABLE(i2c, wm8961_i2c_id);
static struct i2c_driver wm8961_i2c_driver = {
.driver = {
- .name = "wm8961",
+ .name = "wm8961-codec",
.owner = THIS_MODULE,
},
.probe = wm8961_i2c_probe,
.remove = __devexit_p(wm8961_i2c_remove),
.id_table = wm8961_i2c_id,
};
+#endif
static int __init wm8961_modinit(void)
{
- int ret;
-
+ int ret = 0;
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
ret = i2c_add_driver(&wm8961_i2c_driver);
if (ret != 0) {
- printk(KERN_ERR "Failed to register WM8961 I2C driver: %d\n",
+ printk(KERN_ERR "Failed to register wm8961 I2C driver: %d\n",
ret);
}
-
+#endif
return ret;
}
module_init(wm8961_modinit);
static void __exit wm8961_exit(void)
{
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
i2c_del_driver(&wm8961_i2c_driver);
+#endif
}
module_exit(wm8961_exit);
-
MODULE_DESCRIPTION("ASoC WM8961 driver");
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 08:14:03 +0000