diff options
Diffstat (limited to 'sound/soc/codecs/wm8904.c')
-rw-r--r-- | sound/soc/codecs/wm8904.c | 208 |
1 files changed, 60 insertions, 148 deletions
diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c index f7dcabf6283c..33be84e506ea 100644 --- a/sound/soc/codecs/wm8904.c +++ b/sound/soc/codecs/wm8904.c @@ -31,9 +31,6 @@ #include "wm8904.h" -static struct snd_soc_codec *wm8904_codec; -struct snd_soc_codec_device soc_codec_dev_wm8904; - enum wm8904_type { WM8904, WM8912, @@ -52,10 +49,11 @@ static const char *wm8904_supply_names[WM8904_NUM_SUPPLIES] = { /* codec private data */ struct wm8904_priv { - struct snd_soc_codec codec; + u16 reg_cache[WM8904_MAX_REGISTER + 1]; enum wm8904_type devtype; + void *control_data; struct regulator_bulk_data supplies[WM8904_NUM_SUPPLIES]; @@ -689,7 +687,7 @@ static int wm8904_put_drc_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); + struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); struct wm8904_pdata *pdata = wm8904->pdata; int value = ucontrol->value.integer.value[0]; @@ -760,7 +758,7 @@ static int wm8904_put_retune_mobile_enum(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); - struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); + struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); struct wm8904_pdata *pdata = wm8904->pdata; int value = ucontrol->value.integer.value[0]; @@ -2218,8 +2216,8 @@ static struct snd_soc_dai_ops wm8904_dai_ops = { .digital_mute = wm8904_digital_mute, }; -struct snd_soc_dai wm8904_dai = { - .name = "WM8904", +static struct snd_soc_dai_driver wm8904_dai = { + .name = "wm8904-hifi", .playback = { .stream_name = "Playback", .channels_min = 2, @@ -2237,24 +2235,17 @@ struct snd_soc_dai wm8904_dai = { .ops = &wm8904_dai_ops, .symmetric_rates = 1, }; -EXPORT_SYMBOL_GPL(wm8904_dai); #ifdef CONFIG_PM -static int wm8904_suspend(struct platform_device *pdev, pm_message_t state) +static int wm8904_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; - wm8904_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } -static int wm8904_resume(struct platform_device *pdev) +static int wm8904_resume(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; - wm8904_set_bias_level(codec, SND_SOC_BIAS_STANDBY); return 0; @@ -2264,9 +2255,9 @@ static int wm8904_resume(struct platform_device *pdev) #define wm8904_resume NULL #endif -static void wm8904_handle_retune_mobile_pdata(struct wm8904_priv *wm8904) +static void wm8904_handle_retune_mobile_pdata(struct snd_soc_codec *codec) { - struct snd_soc_codec *codec = &wm8904->codec; + struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); struct wm8904_pdata *pdata = wm8904->pdata; struct snd_kcontrol_new control = SOC_ENUM_EXT("EQ Mode", @@ -2315,20 +2306,20 @@ static void wm8904_handle_retune_mobile_pdata(struct wm8904_priv *wm8904) wm8904->retune_mobile_enum.max = wm8904->num_retune_mobile_texts; wm8904->retune_mobile_enum.texts = wm8904->retune_mobile_texts; - ret = snd_soc_add_controls(&wm8904->codec, &control, 1); + ret = snd_soc_add_controls(codec, &control, 1); if (ret != 0) - dev_err(wm8904->codec.dev, + dev_err(codec->dev, "Failed to add ReTune Mobile control: %d\n", ret); } -static void wm8904_handle_pdata(struct wm8904_priv *wm8904) +static void wm8904_handle_pdata(struct snd_soc_codec *codec) { - struct snd_soc_codec *codec = &wm8904->codec; + struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); struct wm8904_pdata *pdata = wm8904->pdata; int ret, i; if (!pdata) { - snd_soc_add_controls(&wm8904->codec, wm8904_eq_controls, + snd_soc_add_controls(codec, wm8904_eq_controls, ARRAY_SIZE(wm8904_eq_controls)); return; } @@ -2344,7 +2335,7 @@ static void wm8904_handle_pdata(struct wm8904_priv *wm8904) wm8904->drc_texts = kmalloc(sizeof(char *) * pdata->num_drc_cfgs, GFP_KERNEL); if (!wm8904->drc_texts) { - dev_err(wm8904->codec.dev, + dev_err(codec->dev, "Failed to allocate %d DRC config texts\n", pdata->num_drc_cfgs); return; @@ -2356,9 +2347,9 @@ static void wm8904_handle_pdata(struct wm8904_priv *wm8904) wm8904->drc_enum.max = pdata->num_drc_cfgs; wm8904->drc_enum.texts = wm8904->drc_texts; - ret = snd_soc_add_controls(&wm8904->codec, &control, 1); + ret = snd_soc_add_controls(codec, &control, 1); if (ret != 0) - dev_err(wm8904->codec.dev, + dev_err(codec->dev, "Failed to add DRC mode control: %d\n", ret); wm8904_set_drc(codec); @@ -2368,89 +2359,19 @@ static void wm8904_handle_pdata(struct wm8904_priv *wm8904) pdata->num_retune_mobile_cfgs); if (pdata->num_retune_mobile_cfgs) - wm8904_handle_retune_mobile_pdata(wm8904); + wm8904_handle_retune_mobile_pdata(codec); else - snd_soc_add_controls(&wm8904->codec, wm8904_eq_controls, + snd_soc_add_controls(codec, wm8904_eq_controls, ARRAY_SIZE(wm8904_eq_controls)); } -static int wm8904_probe(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; - int ret = 0; - - if (wm8904_codec == NULL) { - dev_err(&pdev->dev, "Codec device not registered\n"); - return -ENODEV; - } - socdev->card->codec = wm8904_codec; - codec = wm8904_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; - } - - wm8904_handle_pdata(snd_soc_codec_get_drvdata(codec)); - - wm8904_add_widgets(codec); - - return ret; - -pcm_err: - return ret; -} - -static int wm8904_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_wm8904 = { - .probe = wm8904_probe, - .remove = wm8904_remove, - .suspend = wm8904_suspend, - .resume = wm8904_resume, -}; -EXPORT_SYMBOL_GPL(soc_codec_dev_wm8904); - -static int wm8904_register(struct wm8904_priv *wm8904, - enum snd_soc_control_type control) +static int wm8904_probe(struct snd_soc_codec *codec) { + struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); struct wm8904_pdata *pdata = wm8904->pdata; - int ret; - struct snd_soc_codec *codec = &wm8904->codec; - int i; - - if (wm8904_codec) { - dev_err(codec->dev, "Another WM8904 is registered\n"); - ret = -EINVAL; - goto err; - } + int ret, i; - mutex_init(&codec->mutex); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - - snd_soc_codec_set_drvdata(codec, wm8904); - codec->name = "WM8904"; - codec->owner = THIS_MODULE; - codec->bias_level = SND_SOC_BIAS_OFF; - codec->set_bias_level = wm8904_set_bias_level; - codec->dai = &wm8904_dai; - codec->num_dai = 1; - codec->reg_cache_size = WM8904_MAX_REGISTER; - codec->reg_cache = &wm8904->reg_cache; - codec->volatile_register = wm8904_volatile_register; codec->cache_sync = 1; codec->idle_bias_off = 1; @@ -2463,16 +2384,13 @@ static int wm8904_register(struct wm8904_priv *wm8904, default: dev_err(codec->dev, "Unknown device type %d\n", wm8904->devtype); - ret = -EINVAL; - goto err; + return -EINVAL; } - memcpy(codec->reg_cache, wm8904_reg, sizeof(wm8904_reg)); - - ret = snd_soc_codec_set_cache_io(codec, 8, 16, control); + 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; + return ret; } for (i = 0; i < ARRAY_SIZE(wm8904->supplies); i++) @@ -2482,7 +2400,7 @@ static int wm8904_register(struct wm8904_priv *wm8904, wm8904->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(wm8904->supplies), @@ -2517,8 +2435,6 @@ static int wm8904_register(struct wm8904_priv *wm8904, goto err_enable; } - wm8904_dai.dev = codec->dev; - /* Change some default settings - latch VU and enable ZC */ wm8904->reg_cache[WM8904_ADC_DIGITAL_VOLUME_LEFT] |= WM8904_ADC_VU; wm8904->reg_cache[WM8904_ADC_DIGITAL_VOLUME_RIGHT] |= WM8904_ADC_VU; @@ -2563,72 +2479,68 @@ static int wm8904_register(struct wm8904_priv *wm8904, /* Bias level configuration will have done an extra enable */ regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies); - wm8904_codec = codec; + wm8904_handle_pdata(codec); - ret = snd_soc_register_codec(codec); - if (ret != 0) { - dev_err(codec->dev, "Failed to register codec: %d\n", ret); - goto err_enable; - } - - ret = snd_soc_register_dai(&wm8904_dai); - if (ret != 0) { - dev_err(codec->dev, "Failed to register DAI: %d\n", ret); - goto err_codec; - } + wm8904_add_widgets(codec); return 0; -err_codec: - snd_soc_unregister_codec(codec); err_enable: regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies); err_get: regulator_bulk_free(ARRAY_SIZE(wm8904->supplies), wm8904->supplies); -err: - kfree(wm8904); return ret; } -static void wm8904_unregister(struct wm8904_priv *wm8904) +static int wm8904_remove(struct snd_soc_codec *codec) { - wm8904_set_bias_level(&wm8904->codec, SND_SOC_BIAS_OFF); + struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); + + wm8904_set_bias_level(codec, SND_SOC_BIAS_OFF); regulator_bulk_free(ARRAY_SIZE(wm8904->supplies), wm8904->supplies); - snd_soc_unregister_dai(&wm8904_dai); - snd_soc_unregister_codec(&wm8904->codec); - kfree(wm8904); - wm8904_codec = NULL; + + return 0; } +static struct snd_soc_codec_driver soc_codec_dev_wm8904 = { + .probe = wm8904_probe, + .remove = wm8904_remove, + .suspend = wm8904_suspend, + .resume = wm8904_resume, + .set_bias_level = wm8904_set_bias_level, + .reg_cache_size = ARRAY_SIZE(wm8904_reg), + .reg_word_size = sizeof(u16), + .reg_cache_default = wm8904_reg, + .volatile_register = wm8904_volatile_register, +}; + #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) static __devinit int wm8904_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct wm8904_priv *wm8904; - struct snd_soc_codec *codec; + int ret; wm8904 = kzalloc(sizeof(struct wm8904_priv), GFP_KERNEL); if (wm8904 == NULL) return -ENOMEM; - codec = &wm8904->codec; - codec->hw_write = (hw_write_t)i2c_master_send; - wm8904->devtype = id->driver_data; - i2c_set_clientdata(i2c, wm8904); - codec->control_data = i2c; + wm8904->control_data = i2c; wm8904->pdata = i2c->dev.platform_data; - codec->dev = &i2c->dev; - - return wm8904_register(wm8904, SND_SOC_I2C); + ret = snd_soc_register_codec(&i2c->dev, + &soc_codec_dev_wm8904, &wm8904_dai, 1); + if (ret < 0) + kfree(wm8904); + return ret; } static __devexit int wm8904_i2c_remove(struct i2c_client *client) { - struct wm8904_priv *wm8904 = i2c_get_clientdata(client); - wm8904_unregister(wm8904); + snd_soc_unregister_codec(&client->dev); + kfree(i2c_get_clientdata(client)); return 0; } @@ -2641,7 +2553,7 @@ MODULE_DEVICE_TABLE(i2c, wm8904_i2c_id); static struct i2c_driver wm8904_i2c_driver = { .driver = { - .name = "WM8904", + .name = "wm8904-codec", .owner = THIS_MODULE, }, .probe = wm8904_i2c_probe, @@ -2652,15 +2564,15 @@ static struct i2c_driver wm8904_i2c_driver = { static int __init wm8904_modinit(void) { - int ret; + int ret = 0; #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) ret = i2c_add_driver(&wm8904_i2c_driver); if (ret != 0) { - printk(KERN_ERR "Failed to register WM8904 I2C driver: %d\n", + printk(KERN_ERR "Failed to register wm8904 I2C driver: %d\n", ret); } #endif - return 0; + return ret; } module_init(wm8904_modinit); |