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Diffstat (limited to 'sound/soc/codecs/wm8993.c')
-rw-r--r--sound/soc/codecs/wm8993.c307
1 files changed, 123 insertions, 184 deletions
diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c
index d8d300c..1d9e183 100644
--- a/sound/soc/codecs/wm8993.c
+++ b/sound/soc/codecs/wm8993.c
@@ -229,7 +229,8 @@ struct wm8993_priv {
u16 reg_cache[WM8993_REGISTER_COUNT];
struct regulator_bulk_data supplies[WM8993_NUM_SUPPLIES];
struct wm8993_platform_data pdata;
- struct snd_soc_codec codec;
+ enum snd_soc_control_type control_type;
+ void *control_data;
int master;
int sysclk_source;
int tdm_slots;
@@ -367,10 +368,9 @@ static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
return 0;
}
-static int wm8993_set_fll(struct snd_soc_dai *dai, int fll_id, int source,
+static int _wm8993_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
unsigned int Fref, unsigned int Fout)
{
- struct snd_soc_codec *codec = dai->codec;
struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
u16 reg1, reg4, reg5;
struct _fll_div fll_div;
@@ -456,6 +456,12 @@ static int wm8993_set_fll(struct snd_soc_dai *dai, int fll_id, int source,
return 0;
}
+static int wm8993_set_fll(struct snd_soc_dai *dai, int fll_id, int source,
+ unsigned int Fref, unsigned int Fout)
+{
+ return _wm8993_set_fll(dai->codec, fll_id, source, Fref, Fout);
+}
+
static int configure_clock(struct snd_soc_codec *codec)
{
struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
@@ -1394,8 +1400,8 @@ static struct snd_soc_dai_ops wm8993_ops = {
SNDRV_PCM_FMTBIT_S24_LE |\
SNDRV_PCM_FMTBIT_S32_LE)
-struct snd_soc_dai wm8993_dai = {
- .name = "WM8993",
+static struct snd_soc_dai_driver wm8993_dai = {
+ .name = "wm8993-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
@@ -1413,32 +1419,82 @@ struct snd_soc_dai wm8993_dai = {
.ops = &wm8993_ops,
.symmetric_rates = 1,
};
-EXPORT_SYMBOL_GPL(wm8993_dai);
-
-static struct snd_soc_codec *wm8993_codec;
-static int wm8993_probe(struct platform_device *pdev)
+static int wm8993_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- struct wm8993_priv *wm8993;
- int ret = 0;
+ struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
+ int ret, i, val;
+
+ codec->control_data = wm8993->control_data;
+ wm8993->hubs_data.hp_startup_mode = 1;
+ wm8993->hubs_data.dcs_codes = -2;
+
+ 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);
+ return ret;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(wm8993->supplies); i++)
+ wm8993->supplies[i].supply = wm8993_supply_names[i];
- if (!wm8993_codec) {
- dev_err(&pdev->dev, "I2C device not yet probed\n");
- goto err;
+ ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8993->supplies),
+ wm8993->supplies);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
+ return ret;
}
- socdev->card->codec = wm8993_codec;
- codec = wm8993_codec;
- wm8993 = snd_soc_codec_get_drvdata(codec);
+ ret = regulator_bulk_enable(ARRAY_SIZE(wm8993->supplies),
+ wm8993->supplies);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
+ goto err_get;
+ }
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- dev_err(codec->dev, "failed to create pcms\n");
- goto err;
+ val = snd_soc_read(codec, WM8993_SOFTWARE_RESET);
+ if (val != wm8993_reg_defaults[WM8993_SOFTWARE_RESET]) {
+ dev_err(codec->dev, "Invalid ID register value %x\n", val);
+ ret = -EINVAL;
+ goto err_enable;
}
+ ret = snd_soc_write(codec, WM8993_SOFTWARE_RESET, 0xffff);
+ if (ret != 0)
+ goto err_enable;
+
+ codec->cache_only = 1;
+
+ /* By default we're using the output mixers */
+ wm8993->class_w_users = 2;
+
+ /* Latch volume update bits and default ZC on */
+ snd_soc_update_bits(codec, WM8993_RIGHT_DAC_DIGITAL_VOLUME,
+ WM8993_DAC_VU, WM8993_DAC_VU);
+ snd_soc_update_bits(codec, WM8993_RIGHT_ADC_DIGITAL_VOLUME,
+ WM8993_ADC_VU, WM8993_ADC_VU);
+
+ /* Manualy manage the HPOUT sequencing for independent stereo
+ * control. */
+ snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
+ WM8993_HPOUT1_AUTO_PU, 0);
+
+ /* Use automatic clock configuration */
+ snd_soc_update_bits(codec, WM8993_CLOCKING_4, WM8993_SR_MODE, 0);
+
+ wm_hubs_handle_analogue_pdata(codec, wm8993->pdata.lineout1_diff,
+ wm8993->pdata.lineout2_diff,
+ wm8993->pdata.lineout1fb,
+ wm8993->pdata.lineout2fb,
+ wm8993->pdata.jd_scthr,
+ wm8993->pdata.jd_thr,
+ wm8993->pdata.micbias1_lvl,
+ wm8993->pdata.micbias2_lvl);
+
+ ret = wm8993_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+ if (ret != 0)
+ goto err_enable;
+
snd_soc_add_controls(codec, wm8993_snd_controls,
ARRAY_SIZE(wm8993_snd_controls));
if (wm8993->pdata.num_retune_configs != 0) {
@@ -1457,36 +1513,36 @@ static int wm8993_probe(struct platform_device *pdev)
wm_hubs_add_analogue_routes(codec, wm8993->pdata.lineout1_diff,
wm8993->pdata.lineout2_diff);
- return ret;
+ return 0;
-err:
+err_enable:
+ regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
+err_get:
+ regulator_bulk_free(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
return ret;
}
-static int wm8993_remove(struct platform_device *pdev)
+static int wm8993_remove(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
+ struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
+ wm8993_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ regulator_bulk_free(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
return 0;
}
#ifdef CONFIG_PM
-static int wm8993_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8993_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;
struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
int fll_fout = wm8993->fll_fout;
int fll_fref = wm8993->fll_fref;
int ret;
/* Stop the FLL in an orderly fashion */
- ret = wm8993_set_fll(codec->dai, 0, 0, 0, 0);
+ ret = _wm8993_set_fll(codec, 0, 0, 0, 0);
if (ret != 0) {
- dev_err(&pdev->dev, "Failed to stop FLL\n");
+ dev_err(codec->dev, "Failed to stop FLL\n");
return ret;
}
@@ -1498,10 +1554,8 @@ static int wm8993_suspend(struct platform_device *pdev, pm_message_t state)
return 0;
}
-static int wm8993_resume(struct platform_device *pdev)
+static int wm8993_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
int ret;
@@ -1515,7 +1569,7 @@ static int wm8993_resume(struct platform_device *pdev)
wm8993->fll_fref = 0;
wm8993->fll_fout = 0;
- ret = wm8993_set_fll(codec->dai, 0, wm8993->fll_src,
+ ret = _wm8993_set_fll(codec, 0, wm8993->fll_src,
fll_fref, fll_fout);
if (ret != 0)
dev_err(codec->dev, "Failed to restart FLL\n");
@@ -1528,162 +1582,43 @@ static int wm8993_resume(struct platform_device *pdev)
#define wm8993_resume NULL
#endif
-struct snd_soc_codec_device soc_codec_dev_wm8993 = {
+static struct snd_soc_codec_driver soc_codec_dev_wm8993 = {
.probe = wm8993_probe,
.remove = wm8993_remove,
.suspend = wm8993_suspend,
.resume = wm8993_resume,
+ .set_bias_level = wm8993_set_bias_level,
+ .reg_cache_size = sizeof(wm8993_reg_defaults),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = wm8993_reg_defaults,
+ .volatile_register = wm8993_volatile,
};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8993);
-static int wm8993_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+static __devinit int wm8993_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct wm8993_priv *wm8993;
- struct snd_soc_codec *codec;
- unsigned int val;
int ret;
- int i;
-
- if (wm8993_codec) {
- dev_err(&i2c->dev, "A WM8993 is already registered\n");
- return -EINVAL;
- }
wm8993 = kzalloc(sizeof(struct wm8993_priv), GFP_KERNEL);
if (wm8993 == NULL)
return -ENOMEM;
- codec = &wm8993->codec;
- if (i2c->dev.platform_data)
- memcpy(&wm8993->pdata, i2c->dev.platform_data,
- sizeof(wm8993->pdata));
-
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- codec->name = "WM8993";
- codec->volatile_register = wm8993_volatile;
- codec->reg_cache = wm8993->reg_cache;
- codec->reg_cache_size = ARRAY_SIZE(wm8993->reg_cache);
- codec->bias_level = SND_SOC_BIAS_OFF;
- codec->set_bias_level = wm8993_set_bias_level;
- codec->dai = &wm8993_dai;
- codec->num_dai = 1;
- snd_soc_codec_set_drvdata(codec, wm8993);
-
- wm8993->hubs_data.hp_startup_mode = 1;
- wm8993->hubs_data.dcs_codes = -2;
-
- memcpy(wm8993->reg_cache, wm8993_reg_defaults,
- sizeof(wm8993->reg_cache));
-
- 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;
- }
-
i2c_set_clientdata(i2c, wm8993);
- codec->control_data = i2c;
- wm8993_codec = codec;
-
- codec->dev = &i2c->dev;
-
- for (i = 0; i < ARRAY_SIZE(wm8993->supplies); i++)
- wm8993->supplies[i].supply = wm8993_supply_names[i];
-
- ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8993->supplies),
- wm8993->supplies);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
- goto err;
- }
-
- ret = regulator_bulk_enable(ARRAY_SIZE(wm8993->supplies),
- wm8993->supplies);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
- goto err_get;
- }
-
- val = snd_soc_read(codec, WM8993_SOFTWARE_RESET);
- if (val != wm8993_reg_defaults[WM8993_SOFTWARE_RESET]) {
- dev_err(codec->dev, "Invalid ID register value %x\n", val);
- ret = -EINVAL;
- goto err_enable;
- }
-
- ret = snd_soc_write(codec, WM8993_SOFTWARE_RESET, 0xffff);
- if (ret != 0)
- goto err_enable;
-
- codec->cache_only = 1;
-
- /* By default we're using the output mixers */
- wm8993->class_w_users = 2;
-
- /* Latch volume update bits and default ZC on */
- snd_soc_update_bits(codec, WM8993_RIGHT_DAC_DIGITAL_VOLUME,
- WM8993_DAC_VU, WM8993_DAC_VU);
- snd_soc_update_bits(codec, WM8993_RIGHT_ADC_DIGITAL_VOLUME,
- WM8993_ADC_VU, WM8993_ADC_VU);
+ wm8993->control_data = i2c;
- /* Manualy manage the HPOUT sequencing for independent stereo
- * control. */
- snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
- WM8993_HPOUT1_AUTO_PU, 0);
-
- /* Use automatic clock configuration */
- snd_soc_update_bits(codec, WM8993_CLOCKING_4, WM8993_SR_MODE, 0);
-
- wm_hubs_handle_analogue_pdata(codec, wm8993->pdata.lineout1_diff,
- wm8993->pdata.lineout2_diff,
- wm8993->pdata.lineout1fb,
- wm8993->pdata.lineout2fb,
- wm8993->pdata.jd_scthr,
- wm8993->pdata.jd_thr,
- wm8993->pdata.micbias1_lvl,
- wm8993->pdata.micbias2_lvl);
-
- ret = wm8993_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- if (ret != 0)
- goto err_enable;
-
- wm8993_dai.dev = codec->dev;
-
- ret = snd_soc_register_dai(&wm8993_dai);
- if (ret != 0)
- goto err_bias;
-
- ret = snd_soc_register_codec(codec);
-
- return 0;
-
-err_bias:
- wm8993_set_bias_level(codec, SND_SOC_BIAS_OFF);
-err_enable:
- regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
-err_get:
- regulator_bulk_free(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
-err:
- wm8993_codec = NULL;
- kfree(wm8993);
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm8993, &wm8993_dai, 1);
+ if (ret < 0)
+ kfree(wm8993);
return ret;
}
-static int wm8993_i2c_remove(struct i2c_client *client)
+static __devexit int wm8993_i2c_remove(struct i2c_client *client)
{
- struct wm8993_priv *wm8993 = i2c_get_clientdata(client);
-
- snd_soc_unregister_codec(&wm8993->codec);
- snd_soc_unregister_dai(&wm8993_dai);
-
- wm8993_set_bias_level(&wm8993->codec, SND_SOC_BIAS_OFF);
- regulator_bulk_free(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
- kfree(wm8993);
-
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
@@ -1695,30 +1630,34 @@ MODULE_DEVICE_TABLE(i2c, wm8993_i2c_id);
static struct i2c_driver wm8993_i2c_driver = {
.driver = {
- .name = "WM8993",
+ .name = "wm8993-codec",
.owner = THIS_MODULE,
},
- .probe = wm8993_i2c_probe,
- .remove = wm8993_i2c_remove,
+ .probe = wm8993_i2c_probe,
+ .remove = __devexit_p(wm8993_i2c_remove),
.id_table = wm8993_i2c_id,
};
-
+#endif
static int __init wm8993_modinit(void)
{
- int ret;
-
+ int ret = 0;
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
ret = i2c_add_driver(&wm8993_i2c_driver);
- if (ret != 0)
- pr_err("WM8993: Unable to register I2C driver: %d\n", ret);
-
+ if (ret != 0) {
+ pr_err("WM8993: Unable to register I2C driver: %d\n",
+ ret);
+ }
+#endif
return ret;
}
module_init(wm8993_modinit);
static void __exit wm8993_exit(void)
{
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
i2c_del_driver(&wm8993_i2c_driver);
+#endif
}
module_exit(wm8993_exit);
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