#include "wm8731.h"
-static struct snd_soc_codec *wm8731_codec;
-struct snd_soc_codec_device soc_codec_dev_wm8731;
-
#define WM8731_NUM_SUPPLIES 4
static const char *wm8731_supply_names[WM8731_NUM_SUPPLIES] = {
"AVDD",
/* codec private data */
struct wm8731_priv {
- struct snd_soc_codec codec;
+ enum snd_soc_control_type control_type;
struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES];
u16 reg_cache[WM8731_CACHEREGNUM];
unsigned int sysclk;
+ int sysclk_type;
};
SOC_DAPM_ENUM("Input Select", wm8731_enum[0]);
static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
+SND_SOC_DAPM_SUPPLY("OSC", WM8731_PWR, 5, 1, NULL, 0),
SND_SOC_DAPM_MIXER("Output Mixer", WM8731_PWR, 4, 1,
&wm8731_output_mixer_controls[0],
ARRAY_SIZE(wm8731_output_mixer_controls)),
SND_SOC_DAPM_INPUT("LLINEIN"),
};
+static int wm8731_check_osc(struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(source->codec);
+
+ return wm8731->sysclk_type == WM8731_SYSCLK_MCLK;
+}
+
static const struct snd_soc_dapm_route intercon[] = {
+ {"DAC", NULL, "OSC", wm8731_check_osc},
+ {"ADC", NULL, "OSC", wm8731_check_osc},
+
/* output mixer */
{"Output Mixer", "Line Bypass Switch", "Line Input"},
{"Output Mixer", "HiFi Playback Switch", "DAC"},
struct snd_pcm_hw_params *params,
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 = dai->codec;
struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
u16 iface = snd_soc_read(codec, WM8731_IFACE) & 0xfff3;
int i = get_coeff(wm8731->sysclk, params_rate(params));
static int wm8731_pcm_prepare(struct snd_pcm_substream *substream,
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 = dai->codec;
/* set active */
snd_soc_write(codec, WM8731_ACTIVE, 0x0001);
static void wm8731_shutdown(struct snd_pcm_substream *substream,
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 = dai->codec;
/* deactivate */
if (!codec->active) {
struct snd_soc_codec *codec = codec_dai->codec;
struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
+ switch (clk_id) {
+ case WM8731_SYSCLK_XTAL:
+ case WM8731_SYSCLK_MCLK:
+ wm8731->sysclk_type = clk_id;
+ break;
+ default:
+ return -EINVAL;
+ }
+
switch (freq) {
case 11289600:
case 12000000:
case 16934400:
case 18432000:
wm8731->sysclk = freq;
- return 0;
+ break;
+ default:
+ return -EINVAL;
}
- return -EINVAL;
+
+ snd_soc_dapm_sync(codec);
+
+ return 0;
}
.set_fmt = wm8731_set_dai_fmt,
};
-struct snd_soc_dai wm8731_dai = {
- .name = "WM8731",
+static struct snd_soc_dai_driver wm8731_dai = {
+ .name = "wm8731-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.ops = &wm8731_dai_ops,
.symmetric_rates = 1,
};
-EXPORT_SYMBOL_GPL(wm8731_dai);
#ifdef CONFIG_PM
-static int wm8731_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8731_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;
-
wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-static int wm8731_resume(struct platform_device *pdev)
+static int wm8731_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
#define wm8731_resume NULL
#endif
-static int wm8731_probe(struct platform_device *pdev)
+static int wm8731_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- int ret = 0;
-
- if (wm8731_codec == NULL) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
- }
-
- socdev->card->codec = wm8731_codec;
- codec = wm8731_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, wm8731_snd_controls,
- ARRAY_SIZE(wm8731_snd_controls));
- wm8731_add_widgets(codec);
-
- return ret;
-
-pcm_err:
- return ret;
-}
-
-/* power down chip */
-static int wm8731_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_wm8731 = {
- .probe = wm8731_probe,
- .remove = wm8731_remove,
- .suspend = wm8731_suspend,
- .resume = wm8731_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8731);
-
-static int wm8731_register(struct wm8731_priv *wm8731,
- enum snd_soc_control_type control)
-{
- int ret, i;
- struct snd_soc_codec *codec = &wm8731->codec;
-
- if (wm8731_codec) {
- dev_err(codec->dev, "Another WM8731 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, wm8731);
- codec->name = "WM8731";
- codec->owner = THIS_MODULE;
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = wm8731_set_bias_level;
- codec->dai = &wm8731_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = WM8731_CACHEREGNUM;
- codec->reg_cache = &wm8731->reg_cache;
-
- memcpy(codec->reg_cache, wm8731_reg, sizeof(wm8731_reg));
+ struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
+ int ret = 0, i;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8731->control_type);
if (ret < 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- goto err;
+ return ret;
}
for (i = 0; i < ARRAY_SIZE(wm8731->supplies); i++)
wm8731->supplies);
if (ret != 0) {
dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
- goto err;
+ return ret;
}
ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies),
goto err_regulator_enable;
}
- wm8731_dai.dev = codec->dev;
-
wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* Latch the update bits */
snd_soc_update_bits(codec, WM8731_RINVOL, 0x100, 0);
/* Disable bypass path by default */
- snd_soc_update_bits(codec, WM8731_APANA, 0x4, 0);
-
- wm8731_codec = codec;
+ snd_soc_update_bits(codec, WM8731_APANA, 0x8, 0);
- ret = snd_soc_register_codec(codec);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- goto err_regulator_enable;
- }
-
- ret = snd_soc_register_dai(&wm8731_dai);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
- snd_soc_unregister_codec(codec);
- goto err_codec;
- }
+ snd_soc_add_controls(codec, wm8731_snd_controls,
+ ARRAY_SIZE(wm8731_snd_controls));
+ wm8731_add_widgets(codec);
/* Regulators will have been enabled by bias management */
regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
return 0;
-err_codec:
- snd_soc_unregister_codec(codec);
err_regulator_enable:
regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
err_regulator_get:
regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
-err:
+
kfree(wm8731);
return ret;
}
-static void wm8731_unregister(struct wm8731_priv *wm8731)
+/* power down chip */
+static int wm8731_remove(struct snd_soc_codec *codec)
{
- wm8731_set_bias_level(&wm8731->codec, SND_SOC_BIAS_OFF);
- snd_soc_unregister_dai(&wm8731_dai);
- snd_soc_unregister_codec(&wm8731->codec);
+ struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
+
+ wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF);
+
+ regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
- kfree(wm8731);
- wm8731_codec = NULL;
+
+ return 0;
}
+static struct snd_soc_codec_driver soc_codec_dev_wm8731 = {
+ .probe = wm8731_probe,
+ .remove = wm8731_remove,
+ .suspend = wm8731_suspend,
+ .resume = wm8731_resume,
+ .set_bias_level = wm8731_set_bias_level,
+ .reg_cache_size = ARRAY_SIZE(wm8731_reg),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = wm8731_reg,
+};
+
#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8731_spi_probe(struct spi_device *spi)
{
- struct snd_soc_codec *codec;
struct wm8731_priv *wm8731;
+ int ret;
wm8731 = kzalloc(sizeof(struct wm8731_priv), GFP_KERNEL);
if (wm8731 == NULL)
return -ENOMEM;
- codec = &wm8731->codec;
- codec->control_data = spi;
- codec->dev = &spi->dev;
-
- dev_set_drvdata(&spi->dev, wm8731);
+ wm8731->control_type = SND_SOC_SPI;
+ spi_set_drvdata(spi, wm8731);
- return wm8731_register(wm8731, SND_SOC_SPI);
+ ret = snd_soc_register_codec(&spi->dev,
+ &soc_codec_dev_wm8731, &wm8731_dai, 1);
+ if (ret < 0)
+ kfree(wm8731);
+ return ret;
}
static int __devexit wm8731_spi_remove(struct spi_device *spi)
{
- struct wm8731_priv *wm8731 = dev_get_drvdata(&spi->dev);
-
- wm8731_unregister(wm8731);
-
+ snd_soc_unregister_codec(&spi->dev);
+ kfree(spi_get_drvdata(spi));
return 0;
}
static struct spi_driver wm8731_spi_driver = {
.driver = {
- .name = "wm8731",
- .bus = &spi_bus_type,
+ .name = "wm8731-codec",
.owner = THIS_MODULE,
},
.probe = wm8731_spi_probe,
const struct i2c_device_id *id)
{
struct wm8731_priv *wm8731;
- struct snd_soc_codec *codec;
+ int ret;
wm8731 = kzalloc(sizeof(struct wm8731_priv), GFP_KERNEL);
if (wm8731 == NULL)
return -ENOMEM;
- codec = &wm8731->codec;
-
i2c_set_clientdata(i2c, wm8731);
- codec->control_data = i2c;
-
- codec->dev = &i2c->dev;
+ wm8731->control_type = SND_SOC_I2C;
- return wm8731_register(wm8731, SND_SOC_I2C);
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm8731, &wm8731_dai, 1);
+ if (ret < 0)
+ kfree(wm8731);
+ return ret;
}
static __devexit int wm8731_i2c_remove(struct i2c_client *client)
{
- struct wm8731_priv *wm8731 = i2c_get_clientdata(client);
- wm8731_unregister(wm8731);
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
static struct i2c_driver wm8731_i2c_driver = {
.driver = {
- .name = "wm8731",
+ .name = "wm8731-codec",
.owner = THIS_MODULE,
},
.probe = wm8731_i2c_probe,
static int __init wm8731_modinit(void)
{
- int ret;
+ int ret = 0;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
ret = i2c_add_driver(&wm8731_i2c_driver);
if (ret != 0) {
ret);
}
#endif
- return 0;
+ return ret;
}
module_init(wm8731_modinit);
projects / mv-sheeva.git / blobdiff