Modified: trunk/sound/soc/codecs/ssm2602.c (8152 => 8153)
--- trunk/sound/soc/codecs/ssm2602.c 2010-01-14 03:38:43 UTC (rev 8152)
+++ trunk/sound/soc/codecs/ssm2602.c 2010-01-14 08:16:41 UTC (rev 8153)
@@ -45,12 +45,13 @@
#define SSM2602_VERSION "0.1"
struct snd_soc_codec_device soc_codec_dev_ssm2602;
-
+static struct snd_soc_codec *ssm2602_codec;
/* codec private data */
struct ssm2602_priv {
unsigned int sysclk;
struct snd_pcm_substream *master_substream;
struct snd_pcm_substream *slave_substream;
+ struct snd_soc_codec codec;
};
/*
@@ -65,56 +66,8 @@
0x0000, 0x0000
};
-/*
- * read ssm2602 register cache
- */
-static inline unsigned int ssm2602_read_reg_cache(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- u16 *cache = codec->reg_cache;
- if (reg == SSM2602_RESET)
- return 0;
- if (reg >= SSM2602_CACHEREGNUM)
- return -1;
- return cache[reg];
-}
+#define ssm2602_reset(c) snd_soc_write(c, SSM2602_RESET, 0)
-/*
- * write ssm2602 register cache
- */
-static inline void ssm2602_write_reg_cache(struct snd_soc_codec *codec,
- u16 reg, unsigned int value)
-{
- u16 *cache = codec->reg_cache;
- if (reg >= SSM2602_CACHEREGNUM)
- return;
- cache[reg] = value;
-}
-
-/*
- * write to the ssm2602 register space
- */
-static int ssm2602_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- u8 data[2];
-
- /* data is
- * D15..D9 ssm2602 register offset
- * D8...D0 register data
- */
- data[0] = (reg << 1) | ((value >> 8) & 0x0001);
- data[1] = value & 0x00ff;
-
- ssm2602_write_reg_cache(codec, reg, value);
- if (codec->hw_write(codec->control_data, data, 2) == 2)
- return 0;
- else
- return -EIO;
-}
-
-#define ssm2602_reset(c) ssm2602_write(c, SSM2602_RESET, 0)
-
/*Appending several "None"s just for OSS mixer use*/
static const char *ssm2602_input_select[] = {
"Line", "Mic", "None", "None", "None",
@@ -280,7 +233,7 @@
struct snd_soc_codec *codec = socdev->card->codec;
struct ssm2602_priv *ssm2602 = codec->private_data;
struct i2c_client *i2c = codec->control_data;
- u16 iface = ssm2602_read_reg_cache(codec, SSM2602_IFACE) & 0xfff3;
+ u16 iface = snd_soc_read(codec, SSM2602_IFACE) & 0xfff3;
int i = get_coeff(ssm2602->sysclk, params_rate(params));
if (substream == ssm2602->slave_substream) {
@@ -295,8 +248,8 @@
srate = (coeff_div[i].sr << 2) |
(coeff_div[i].bosr << 1) | coeff_div[i].usb;
- ssm2602_write(codec, SSM2602_ACTIVE, 0);
- ssm2602_write(codec, SSM2602_SRATE, srate);
+ snd_soc_write(codec, SSM2602_ACTIVE, 0);
+ snd_soc_write(codec, SSM2602_SRATE, srate);
/* bit size */
switch (params_format(params)) {
@@ -312,8 +265,8 @@
iface |= 0x000c;
break;
}
- ssm2602_write(codec, SSM2602_IFACE, iface);
- ssm2602_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
+ snd_soc_write(codec, SSM2602_IFACE, iface);
+ snd_soc_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
return 0;
}
@@ -363,7 +316,7 @@
struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_codec *codec = socdev->card->codec;
/* set active */
- ssm2602_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
+ snd_soc_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
return 0;
}
@@ -378,7 +331,7 @@
/* deactivate */
if (!codec->active)
- ssm2602_write(codec, SSM2602_ACTIVE, 0);
+ snd_soc_write(codec, SSM2602_ACTIVE, 0);
if (ssm2602->master_substream == substream)
ssm2602->master_substream = ssm2602->slave_substream;
@@ -389,12 +342,12 @@
static int ssm2602_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
- u16 mute_reg = ssm2602_read_reg_cache(codec, SSM2602_APDIGI) & ~APDIGI_ENABLE_DAC_MUTE;
+ u16 mute_reg = snd_soc_read(codec, SSM2602_APDIGI) & ~APDIGI_ENABLE_DAC_MUTE;
if (mute)
- ssm2602_write(codec, SSM2602_APDIGI,
+ snd_soc_write(codec, SSM2602_APDIGI,
mute_reg | APDIGI_ENABLE_DAC_MUTE);
else
- ssm2602_write(codec, SSM2602_APDIGI, mute_reg);
+ snd_soc_write(codec, SSM2602_APDIGI, mute_reg);
return 0;
}
@@ -470,30 +423,30 @@
}
/* set iface */
- ssm2602_write(codec, SSM2602_IFACE, iface);
+ snd_soc_write(codec, SSM2602_IFACE, iface);
return 0;
}
static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
- u16 reg = ssm2602_read_reg_cache(codec, SSM2602_PWR) & 0xff7f;
+ u16 reg = snd_soc_read(codec, SSM2602_PWR) & 0xff7f;
switch (level) {
case SND_SOC_BIAS_ON:
/* vref/mid, osc on, dac unmute */
- ssm2602_write(codec, SSM2602_PWR, reg);
+ snd_soc_write(codec, SSM2602_PWR, reg);
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
/* everything off except vref/vmid, */
- ssm2602_write(codec, SSM2602_PWR, reg | PWR_CLK_OUT_PDN);
+ snd_soc_write(codec, SSM2602_PWR, reg | PWR_CLK_OUT_PDN);
break;
case SND_SOC_BIAS_OFF:
/* everything off, dac mute, inactive */
- ssm2602_write(codec, SSM2602_ACTIVE, 0);
- ssm2602_write(codec, SSM2602_PWR, 0xffff);
+ snd_soc_write(codec, SSM2602_ACTIVE, 0);
+ snd_soc_write(codec, SSM2602_PWR, 0xffff);
break;
}
@@ -564,58 +517,45 @@
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 platform_device *pdev)
{
- struct snd_soc_codec *codec = socdev->card->codec;
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
+ struct snd_soc_codec *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;
+ socdev->card->codec = ssm2602_codec;
+ codec = ssm2602_codec;
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");
+ dev_err(codec->dev, "ssm2602: failed to create pcms\n");
goto pcm_err;
}
/*power on device*/
- ssm2602_write(codec, SSM2602_ACTIVE, 0);
+ snd_soc_write(codec, SSM2602_ACTIVE, 0);
/* set the update bits */
- reg = ssm2602_read_reg_cache(codec, SSM2602_LINVOL);
- ssm2602_write(codec, SSM2602_LINVOL, reg | LINVOL_LRIN_BOTH);
- reg = ssm2602_read_reg_cache(codec, SSM2602_RINVOL);
- ssm2602_write(codec, SSM2602_RINVOL, reg | RINVOL_RLIN_BOTH);
- reg = ssm2602_read_reg_cache(codec, SSM2602_LOUT1V);
- ssm2602_write(codec, SSM2602_LOUT1V, reg | LOUT1V_LRHP_BOTH);
- reg = ssm2602_read_reg_cache(codec, SSM2602_ROUT1V);
- ssm2602_write(codec, SSM2602_ROUT1V, reg | ROUT1V_RLHP_BOTH);
+ reg = snd_soc_read(codec, SSM2602_LINVOL);
+ snd_soc_write(codec, SSM2602_LINVOL, reg | LINVOL_LRIN_BOTH);
+ reg = snd_soc_read(codec, SSM2602_RINVOL);
+ snd_soc_write(codec, SSM2602_RINVOL, reg | RINVOL_RLIN_BOTH);
+ reg = snd_soc_read(codec, SSM2602_LOUT1V);
+ snd_soc_write(codec, SSM2602_LOUT1V, reg | LOUT1V_LRHP_BOTH);
+ reg = snd_soc_read(codec, SSM2602_ROUT1V);
+ snd_soc_write(codec, SSM2602_ROUT1V, reg | ROUT1V_RLHP_BOTH);
/*select Line in as default input*/
- ssm2602_write(codec, SSM2602_APANA, APANA_SELECT_DAC |
+ snd_soc_write(codec, SSM2602_APANA, APANA_SELECT_DAC |
APANA_ENABLE_MIC_BOOST);
- ssm2602_write(codec, SSM2602_PWR, 0);
+ snd_soc_write(codec, SSM2602_PWR, 0);
snd_soc_add_controls(codec, ssm2602_snd_controls,
ARRAY_SIZE(ssm2602_snd_controls));
ssm2602_add_widgets(codec);
ret = snd_soc_init_card(socdev);
if (ret < 0) {
- pr_err("ssm2602: failed to register card\n");
+ dev_err(codec->dev, "ssm2602: failed to register card\n");
goto card_err;
}
@@ -625,40 +565,107 @@
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
pcm_err:
- kfree(codec->reg_cache);
return ret;
}
-static struct snd_soc_device *ssm2602_socdev;
+/* remove everything here */
+static int ssm2602_remove(struct platform_device *pdev)
+{
+ struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-/*
- * ssm2602 2 wire address is determined by GPIO5
- * state during powerup.
- * low = 0x1a
- * high = 0x1b
- */
+ snd_soc_free_pcms(socdev);
+ snd_soc_dapm_free(socdev);
+
+ 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 ssm2602_register(struct ssm2602_priv *ssm2602, enum snd_soc_control_type control)
+{
+ struct snd_soc_codec *codec = &ssm2602->codec;
+ int ret = 0;
+
+ mutex_init(&codec->mutex);
+ INIT_LIST_HEAD(&codec->dapm_widgets);
+ INIT_LIST_HEAD(&codec->dapm_paths);
+ codec->name = "SSM2602";
+ codec->owner = THIS_MODULE;
+ codec->bias_level = SND_SOC_BIAS_OFF;
+ 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;
+
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_register_codec(codec);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to register codec: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_register_dai(&ssm2602_dai);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
+ snd_soc_unregister_codec(codec);
+ return ret;
+ }
+
+ return ret;
+}
+
+static void ssm2602_unregister(struct ssm2602_priv *ssm2602)
+{
+ struct snd_soc_codec *codec = &ssm2602->codec;
+
+ ssm2602_set_bias_level(&ssm2602->codec, SND_SOC_BIAS_OFF);
+ kfree(codec->reg_cache);
+ snd_soc_unregister_dai(&ssm2602_dai);
+ snd_soc_unregister_codec(&ssm2602->codec);
+ kfree(ssm2602);
+ ssm2602_codec = NULL;
+}
+
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;
- int ret;
+ struct ssm2602_priv *ssm2602;
+ struct snd_soc_codec *codec;
- i2c_set_clientdata(i2c, codec);
+ ssm2602 = kzalloc(sizeof(struct ssm2602_priv), GFP_KERNEL);
+ if (ssm2602 == NULL)
+ return -ENOMEM;
+ codec = &ssm2602->codec;
+ codec->private_data = ssm2602;
+
+ i2c_set_clientdata(i2c, ssm2602);
codec->control_data = i2c;
- ret = ssm2602_init(socdev);
- if (ret < 0)
- pr_err("failed to initialise SSM2602\n");
+ codec->dev = &i2c->dev;
+ ssm2602_codec = codec;
- return ret;
+ return ssm2602_register(ssm2602, SND_SOC_I2C);
}
-static int ssm2602_i2c_remove(struct i2c_client *client)
+static __devexit int ssm2602_i2c_remove(struct i2c_client *client)
{
- struct snd_soc_codec *codec = i2c_get_clientdata(client);
- kfree(codec->reg_cache);
+ struct ssm2602_priv *ssm2602 = i2c_get_clientdata(client);
+ ssm2602_unregister(ssm2602);
return 0;
}
@@ -667,133 +674,38 @@
{ }
};
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",
.owner = THIS_MODULE,
},
- .probe = ssm2602_i2c_probe,
- .remove = ssm2602_i2c_remove,
+ .probe = ssm2602_i2c_probe,
+ .remove = __devexit_p(ssm2602_i2c_remove),
.id_table = ssm2602_i2c_id,
};
-static int ssm2602_add_i2c_device(struct platform_device *pdev,
- const struct ssm2602_setup_data *setup)
+static int __init ssm2602_modinit(void)
{
- 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;
+ printk(KERN_ERR "Failed to register ssm2602 I2C driver: %d\n",
+ 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)
-{
- 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;
- }
-
- codec->private_data = 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);
- }
-#else
- /* other interfaces */
-#endif
return ret;
}
-
-/* remove everything here */
-static int ssm2602_remove(struct platform_device *pdev)
-{
- 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(codec->private_data);
- 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);
+ i2c_del_driver(&ssm2602_i2c_driver);
}
module_exit(ssm2602_exit);
-MODULE_DESCRIPTION("ASoC ssm2602 driver");
+MODULE_DESCRIPTION("ASoC SSM2602 driver");
MODULE_AUTHOR("Cliff Cai");
MODULE_LICENSE("GPL");
