#define SSM2602_VERSION "0.1"
-struct snd_soc_codec_device soc_codec_dev_ssm2602;
-
/* codec private data */
struct ssm2602_priv {
unsigned int sysclk;
+ enum snd_soc_control_type control_type;
+ void *control_data;
struct snd_pcm_substream *master_substream;
struct snd_pcm_substream *slave_substream;
};
{
u16 srate;
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 ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
struct i2c_client *i2c = codec->control_data;
u16 iface = ssm2602_read_reg_cache(codec, SSM2602_IFACE) & 0xfff3;
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 ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
struct i2c_client *i2c = codec->control_data;
struct snd_pcm_runtime *master_runtime;
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;
/* set active */
ssm2602_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
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 ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
/* deactivate */
.set_fmt = ssm2602_set_dai_fmt,
};
-struct snd_soc_dai ssm2602_dai = {
- .name = "SSM2602",
+static struct snd_soc_dai_driver ssm2602_dai = {
+ .name = "ssm2602-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 2,
.formats = SSM2602_FORMATS,},
.ops = &ssm2602_dai_ops,
};
-EXPORT_SYMBOL_GPL(ssm2602_dai);
-static int ssm2602_suspend(struct platform_device *pdev, pm_message_t state)
+static int ssm2602_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;
-
ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
-static int ssm2602_resume(struct platform_device *pdev)
+static int ssm2602_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;
u8 data[2];
u16 *cache = codec->reg_cache;
return 0;
}
-/*
- * initialise the ssm2602 driver
- * register the mixer and dsp interfaces with the kernel
- */
-static int ssm2602_init(struct snd_soc_device *socdev)
+static int ssm2602_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_codec *codec = socdev->card->codec;
- int reg, ret = 0;
-
- codec->name = "SSM2602";
- codec->owner = THIS_MODULE;
- codec->read = ssm2602_read_reg_cache;
- codec->write = ssm2602_write;
- codec->set_bias_level = ssm2602_set_bias_level;
- codec->dai = &ssm2602_dai;
- codec->num_dai = 1;
- codec->reg_cache_size = sizeof(ssm2602_reg);
- codec->reg_cache = kmemdup(ssm2602_reg, sizeof(ssm2602_reg),
- GFP_KERNEL);
- if (codec->reg_cache == NULL)
- return -ENOMEM;
+ struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
+ int ret = 0, reg;
+
+ pr_info("ssm2602 Audio Codec %s", SSM2602_VERSION);
+
+ codec->bias_level = SND_SOC_BIAS_OFF,
+ codec->control_data = ssm2602->control_data;
ssm2602_reset(codec);
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- pr_err("ssm2602: failed to create pcms\n");
- goto pcm_err;
- }
/*power on device*/
ssm2602_write(codec, SSM2602_ACTIVE, 0);
/* set the update bits */
ssm2602_add_widgets(codec);
return ret;
+}
-pcm_err:
- kfree(codec->reg_cache);
- return ret;
+/* remove everything here */
+static int ssm2602_remove(struct snd_soc_codec *codec)
+{
+ ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ return 0;
}
-static struct snd_soc_device *ssm2602_socdev;
+static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = {
+ .probe = ssm2602_probe,
+ .remove = ssm2602_remove,
+ .suspend = ssm2602_suspend,
+ .resume = ssm2602_resume,
+ .read = ssm2602_read_reg_cache,
+ .write = ssm2602_write,
+ .set_bias_level = ssm2602_set_bias_level,
+ .reg_cache_size = sizeof(ssm2602_reg),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = ssm2602_reg,
+};
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
/*
static int ssm2602_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
- struct snd_soc_device *socdev = ssm2602_socdev;
- struct snd_soc_codec *codec = socdev->card->codec;
+ struct ssm2602_priv *ssm2602;
int ret;
- i2c_set_clientdata(i2c, codec);
- codec->control_data = i2c;
+ ssm2602 = kzalloc(sizeof(struct ssm2602_priv), GFP_KERNEL);
+ if (ssm2602 == NULL)
+ return -ENOMEM;
- ret = ssm2602_init(socdev);
- if (ret < 0)
- pr_err("failed to initialise SSM2602\n");
+ i2c_set_clientdata(i2c, ssm2602);
+ ssm2602->control_data = i2c;
+ ssm2602->control_type = SND_SOC_I2C;
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_ssm2602, &ssm2602_dai, 1);
+ if (ret < 0)
+ kfree(ssm2602);
return ret;
}
static int ssm2602_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;
}
{ }
};
MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
+
/* corgi i2c codec control layer */
static struct i2c_driver ssm2602_i2c_driver = {
.driver = {
- .name = "SSM2602 I2C Codec",
+ .name = "ssm2602-codec",
.owner = THIS_MODULE,
},
.probe = ssm2602_i2c_probe,
.remove = ssm2602_i2c_remove,
.id_table = ssm2602_i2c_id,
};
-
-static int ssm2602_add_i2c_device(struct platform_device *pdev,
- const struct ssm2602_setup_data *setup)
-{
- struct i2c_board_info info;
- struct i2c_adapter *adapter;
- struct i2c_client *client;
- int ret;
-
- ret = i2c_add_driver(&ssm2602_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, "ssm2602", 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(&ssm2602_i2c_driver);
- return -ENODEV;
-}
#endif
-static int ssm2602_probe(struct platform_device *pdev)
+
+static int __init ssm2602_modinit(void)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct ssm2602_setup_data *setup;
- struct snd_soc_codec *codec;
- struct ssm2602_priv *ssm2602;
int ret = 0;
-
- pr_info("ssm2602 Audio Codec %s", SSM2602_VERSION);
-
- setup = socdev->codec_data;
- codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
- if (codec == NULL)
- return -ENOMEM;
-
- ssm2602 = kzalloc(sizeof(struct ssm2602_priv), GFP_KERNEL);
- if (ssm2602 == NULL) {
- kfree(codec);
- return -ENOMEM;
- }
-
- snd_soc_codec_set_drvdata(codec, ssm2602);
- socdev->card->codec = codec;
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- ssm2602_socdev = socdev;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- if (setup->i2c_address) {
- codec->hw_write = (hw_write_t)i2c_master_send;
- ret = ssm2602_add_i2c_device(pdev, setup);
+ ret = i2c_add_driver(&ssm2602_i2c_driver);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register SSM2602 I2C driver: %d\n",
+ ret);
}
-#else
- /* other interfaces */
#endif
return ret;
}
+module_init(ssm2602_modinit);
-/* remove everything here */
-static int ssm2602_remove(struct platform_device *pdev)
+static void __exit ssm2602_exit(void)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
- if (codec->control_data)
- ssm2602_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(&ssm2602_i2c_driver);
#endif
- kfree(snd_soc_codec_get_drvdata(codec));
- kfree(codec);
-
- return 0;
-}
-
-struct snd_soc_codec_device soc_codec_dev_ssm2602 = {
- .probe = ssm2602_probe,
- .remove = ssm2602_remove,
- .suspend = ssm2602_suspend,
- .resume = ssm2602_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_ssm2602);
-
-static int __init ssm2602_modinit(void)
-{
- return snd_soc_register_dai(&ssm2602_dai);
-}
-module_init(ssm2602_modinit);
-
-static void __exit ssm2602_exit(void)
-{
- snd_soc_unregister_dai(&ssm2602_dai);
}
module_exit(ssm2602_exit);
projects / mv-sheeva.git / blobdiff