#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
-#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include "ak4535.h"
#define AK4535_VERSION "0.3"
-struct snd_soc_codec_device soc_codec_dev_ak4535;
-
/* codec private data */
struct ak4535_priv {
unsigned int sysclk;
+ enum snd_soc_control_type control_type;
+ void *control_data;
};
/*
static int ak4535_add_widgets(struct snd_soc_codec *codec)
{
- snd_soc_dapm_new_controls(codec, ak4535_dapm_widgets,
- ARRAY_SIZE(ak4535_dapm_widgets));
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
- snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+ snd_soc_dapm_new_controls(dapm, ak4535_dapm_widgets,
+ ARRAY_SIZE(ak4535_dapm_widgets));
+ snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
return 0;
}
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;
struct ak4535_priv *ak4535 = snd_soc_codec_get_drvdata(codec);
u8 mode2 = ak4535_read_reg_cache(codec, AK4535_MODE2) & ~(0x3 << 5);
int rate = params_rate(params), fs = 256;
static int ak4535_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
- u16 mute_reg = ak4535_read_reg_cache(codec, AK4535_DAC) & 0xffdf;
+ u16 mute_reg = ak4535_read_reg_cache(codec, AK4535_DAC);
if (!mute)
- ak4535_write(codec, AK4535_DAC, mute_reg);
+ ak4535_write(codec, AK4535_DAC, mute_reg & ~0x20);
else
ak4535_write(codec, AK4535_DAC, mute_reg | 0x20);
return 0;
static int ak4535_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
- u16 i;
+ u16 i, mute_reg;
switch (level) {
case SND_SOC_BIAS_ON:
- ak4535_mute(codec->dai, 0);
+ mute_reg = ak4535_read_reg_cache(codec, AK4535_DAC);
+ ak4535_write(codec, AK4535_DAC, mute_reg & ~0x20);
break;
case SND_SOC_BIAS_PREPARE:
- ak4535_mute(codec->dai, 1);
+ mute_reg = ak4535_read_reg_cache(codec, AK4535_DAC);
+ ak4535_write(codec, AK4535_DAC, mute_reg | 0x20);
break;
case SND_SOC_BIAS_STANDBY:
i = ak4535_read_reg_cache(codec, AK4535_PM1);
ak4535_write(codec, AK4535_PM1, i & (~0x80));
break;
}
- codec->bias_level = level;
+ codec->dapm.bias_level = level;
return 0;
}
.set_sysclk = ak4535_set_dai_sysclk,
};
-struct snd_soc_dai ak4535_dai = {
- .name = "AK4535",
+static struct snd_soc_dai_driver ak4535_dai = {
+ .name = "ak4535-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.formats = SNDRV_PCM_FMTBIT_S16_LE,},
.ops = &ak4535_dai_ops,
};
-EXPORT_SYMBOL_GPL(ak4535_dai);
-static int ak4535_suspend(struct platform_device *pdev, pm_message_t state)
+static int ak4535_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;
-
ak4535_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-static int ak4535_resume(struct platform_device *pdev)
+static int ak4535_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
ak4535_sync(codec);
ak4535_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
-/*
- * initialise the AK4535 driver
- * register the mixer and dsp interfaces with the kernel
- */
-static int ak4535_init(struct snd_soc_device *socdev)
+static int ak4535_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_codec *codec = socdev->card->codec;
- int ret = 0;
+ struct ak4535_priv *ak4535 = snd_soc_codec_get_drvdata(codec);
- codec->name = "AK4535";
- codec->owner = THIS_MODULE;
- codec->read = ak4535_read_reg_cache;
- codec->write = ak4535_write;
- codec->set_bias_level = ak4535_set_bias_level;
- codec->dai = &ak4535_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = ARRAY_SIZE(ak4535_reg);
- codec->reg_cache = kmemdup(ak4535_reg, sizeof(ak4535_reg), GFP_KERNEL);
-
- if (codec->reg_cache == NULL)
- return -ENOMEM;
+ printk(KERN_INFO "AK4535 Audio Codec %s", AK4535_VERSION);
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- printk(KERN_ERR "ak4535: failed to create pcms\n");
- goto pcm_err;
- }
+ codec->control_data = ak4535->control_data;
/* power on device */
ak4535_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
ARRAY_SIZE(ak4535_snd_controls));
ak4535_add_widgets(codec);
- return ret;
-
-pcm_err:
- kfree(codec->reg_cache);
+ return 0;
+}
- return ret;
+/* power down chip */
+static int ak4535_remove(struct snd_soc_codec *codec)
+{
+ ak4535_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ return 0;
}
-static struct snd_soc_device *ak4535_socdev;
+static struct snd_soc_codec_driver soc_codec_dev_ak4535 = {
+ .probe = ak4535_probe,
+ .remove = ak4535_remove,
+ .suspend = ak4535_suspend,
+ .resume = ak4535_resume,
+ .read = ak4535_read_reg_cache,
+ .write = ak4535_write,
+ .set_bias_level = ak4535_set_bias_level,
+ .reg_cache_size = ARRAY_SIZE(ak4535_reg),
+ .reg_word_size = sizeof(u8),
+ .reg_cache_default = ak4535_reg,
+};
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-
-static int ak4535_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static __devinit int ak4535_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
- struct snd_soc_device *socdev = ak4535_socdev;
- struct snd_soc_codec *codec = socdev->card->codec;
+ struct ak4535_priv *ak4535;
int ret;
- i2c_set_clientdata(i2c, codec);
- codec->control_data = i2c;
+ ak4535 = kzalloc(sizeof(struct ak4535_priv), GFP_KERNEL);
+ if (ak4535 == NULL)
+ return -ENOMEM;
- ret = ak4535_init(socdev);
- if (ret < 0)
- printk(KERN_ERR "failed to initialise AK4535\n");
+ i2c_set_clientdata(i2c, ak4535);
+ ak4535->control_data = i2c;
+ ak4535->control_type = SND_SOC_I2C;
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_ak4535, &ak4535_dai, 1);
+ if (ret < 0)
+ kfree(ak4535);
return ret;
}
-static int ak4535_i2c_remove(struct i2c_client *client)
+static __devexit int ak4535_i2c_remove(struct i2c_client *client)
{
- struct snd_soc_codec *codec = i2c_get_clientdata(client);
- kfree(codec->reg_cache);
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
static struct i2c_driver ak4535_i2c_driver = {
.driver = {
- .name = "AK4535 I2C Codec",
+ .name = "ak4535-codec",
.owner = THIS_MODULE,
},
.probe = ak4535_i2c_probe,
- .remove = ak4535_i2c_remove,
+ .remove = __devexit_p(ak4535_i2c_remove),
.id_table = ak4535_i2c_id,
};
-
-static int ak4535_add_i2c_device(struct platform_device *pdev,
- const struct ak4535_setup_data *setup)
-{
- struct i2c_board_info info;
- struct i2c_adapter *adapter;
- struct i2c_client *client;
- int ret;
-
- ret = i2c_add_driver(&ak4535_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, "ak4535", 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(&ak4535_i2c_driver);
- return -ENODEV;
-}
#endif
-static int ak4535_probe(struct platform_device *pdev)
+static int __init ak4535_modinit(void)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct ak4535_setup_data *setup;
- struct snd_soc_codec *codec;
- struct ak4535_priv *ak4535;
- int ret;
-
- printk(KERN_INFO "AK4535 Audio Codec %s", AK4535_VERSION);
-
- setup = socdev->codec_data;
- codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
- if (codec == NULL)
- return -ENOMEM;
-
- ak4535 = kzalloc(sizeof(struct ak4535_priv), GFP_KERNEL);
- if (ak4535 == NULL) {
- kfree(codec);
- return -ENOMEM;
- }
-
- snd_soc_codec_set_drvdata(codec, ak4535);
- socdev->card->codec = codec;
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- ak4535_socdev = socdev;
- ret = -ENODEV;
-
+ int ret = 0;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- if (setup->i2c_address) {
- codec->hw_write = (hw_write_t)i2c_master_send;
- ret = ak4535_add_i2c_device(pdev, setup);
- }
-#endif
-
+ ret = i2c_add_driver(&ak4535_i2c_driver);
if (ret != 0) {
- kfree(snd_soc_codec_get_drvdata(codec));
- kfree(codec);
+ printk(KERN_ERR "Failed to register AK4535 I2C driver: %d\n",
+ ret);
}
+#endif
return ret;
}
+module_init(ak4535_modinit);
-/* power down chip */
-static int ak4535_remove(struct platform_device *pdev)
+static void __exit ak4535_exit(void)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
- if (codec->control_data)
- ak4535_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)
- if (codec->control_data)
- i2c_unregister_device(codec->control_data);
i2c_del_driver(&ak4535_i2c_driver);
#endif
- kfree(snd_soc_codec_get_drvdata(codec));
- kfree(codec);
-
- return 0;
-}
-
-struct snd_soc_codec_device soc_codec_dev_ak4535 = {
- .probe = ak4535_probe,
- .remove = ak4535_remove,
- .suspend = ak4535_suspend,
- .resume = ak4535_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_ak4535);
-
-static int __init ak4535_modinit(void)
-{
- return snd_soc_register_dai(&ak4535_dai);
-}
-module_init(ak4535_modinit);
-
-static void __exit ak4535_exit(void)
-{
- snd_soc_unregister_dai(&ak4535_dai);
}
module_exit(ak4535_exit);
projects / mv-sheeva.git / blobdiff