diff options
Diffstat (limited to 'sound/soc/codecs/wm9081.c')
-rw-r--r-- | sound/soc/codecs/wm9081.c | 208 |
1 files changed, 59 insertions, 149 deletions
diff --git a/sound/soc/codecs/wm9081.c b/sound/soc/codecs/wm9081.c index 76b37ff..ecc7c37 100644 --- a/sound/soc/codecs/wm9081.c +++ b/sound/soc/codecs/wm9081.c @@ -156,7 +156,8 @@ static struct { }; struct wm9081_priv { - struct snd_soc_codec codec; + enum snd_soc_control_type control_type; + void *control_data; u16 reg_cache[WM9081_MAX_REGISTER + 1]; int sysclk_source; int mclk_rate; @@ -1212,8 +1213,8 @@ static struct snd_soc_dai_ops wm9081_dai_ops = { /* We report two channels because the CODEC processes a stereo signal, even * though it is only capable of handling a mono output. */ -struct snd_soc_dai wm9081_dai = { - .name = "WM9081", +static struct snd_soc_dai_driver wm9081_dai = { + .name = "wm9081-hifi", .playback = { .stream_name = "HiFi Playback", .channels_min = 1, @@ -1223,34 +1224,42 @@ struct snd_soc_dai wm9081_dai = { }, .ops = &wm9081_dai_ops, }; -EXPORT_SYMBOL_GPL(wm9081_dai); - -static struct snd_soc_codec *wm9081_codec; - -static int wm9081_probe(struct platform_device *pdev) +static int wm9081_probe(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; - struct wm9081_priv *wm9081; - int ret = 0; + struct wm9081_priv *wm9081 = snd_soc_codec_get_drvdata(codec); + int ret; + u16 reg; - if (wm9081_codec == NULL) { - dev_err(&pdev->dev, "Codec device not registered\n"); - return -ENODEV; + codec->control_data = wm9081->control_data; + ret = snd_soc_codec_set_cache_io(codec, 8, 16, wm9081->control_type); + if (ret != 0) { + dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); + return ret; } - socdev->card->codec = wm9081_codec; - codec = wm9081_codec; - wm9081 = snd_soc_codec_get_drvdata(codec); + reg = snd_soc_read(codec, WM9081_SOFTWARE_RESET); + if (reg != 0x9081) { + dev_err(codec->dev, "Device is not a WM9081: ID=0x%x\n", reg); + ret = -EINVAL; + return ret; + } - /* register pcms */ - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + ret = wm9081_reset(codec); if (ret < 0) { - dev_err(codec->dev, "failed to create pcms: %d\n", ret); - goto pcm_err; + dev_err(codec->dev, "Failed to issue reset\n"); + return ret; } + wm9081_set_bias_level(codec, SND_SOC_BIAS_STANDBY); + + /* Enable zero cross by default */ + reg = snd_soc_read(codec, WM9081_ANALOGUE_LINEOUT); + snd_soc_write(codec, WM9081_ANALOGUE_LINEOUT, reg | WM9081_LINEOUTZC); + reg = snd_soc_read(codec, WM9081_ANALOGUE_SPEAKER_PGA); + snd_soc_write(codec, WM9081_ANALOGUE_SPEAKER_PGA, + reg | WM9081_SPKPGAZC); + snd_soc_add_controls(codec, wm9081_snd_controls, ARRAY_SIZE(wm9081_snd_controls)); if (!wm9081->retune) { @@ -1265,40 +1274,28 @@ static int wm9081_probe(struct platform_device *pdev) snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths)); return ret; - -pcm_err: - return ret; } -static int wm9081_remove(struct platform_device *pdev) +static int wm9081_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); - + wm9081_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } #ifdef CONFIG_PM -static int wm9081_suspend(struct platform_device *pdev, pm_message_t state) +static int wm9081_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; - wm9081_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } -static int wm9081_resume(struct platform_device *pdev) +static int wm9081_resume(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; u16 *reg_cache = codec->reg_cache; int i; - for (i = 0; i < codec->reg_cache_size; i++) { + for (i = 0; i < codec->driver->reg_cache_size; i++) { if (i == WM9081_SOFTWARE_RESET) continue; @@ -1314,133 +1311,43 @@ static int wm9081_resume(struct platform_device *pdev) #define wm9081_resume NULL #endif -struct snd_soc_codec_device soc_codec_dev_wm9081 = { +static struct snd_soc_codec_driver soc_codec_dev_wm9081 = { .probe = wm9081_probe, .remove = wm9081_remove, .suspend = wm9081_suspend, .resume = wm9081_resume, + .set_bias_level = wm9081_set_bias_level, + .reg_cache_size = ARRAY_SIZE(wm9081_reg_defaults), + .reg_word_size = sizeof(u16), + .reg_cache_default = wm9081_reg_defaults, + .volatile_register = wm9081_volatile_register, }; -EXPORT_SYMBOL_GPL(soc_codec_dev_wm9081); - -static int wm9081_register(struct wm9081_priv *wm9081, - enum snd_soc_control_type control) -{ - struct snd_soc_codec *codec = &wm9081->codec; - int ret; - u16 reg; - - if (wm9081_codec) { - dev_err(codec->dev, "Another WM9081 is registered\n"); - ret = -EINVAL; - goto err; - } - - mutex_init(&codec->mutex); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - - snd_soc_codec_set_drvdata(codec, wm9081); - codec->name = "WM9081"; - codec->owner = THIS_MODULE; - codec->dai = &wm9081_dai; - codec->num_dai = 1; - codec->reg_cache_size = ARRAY_SIZE(wm9081->reg_cache); - codec->reg_cache = &wm9081->reg_cache; - codec->bias_level = SND_SOC_BIAS_OFF; - codec->set_bias_level = wm9081_set_bias_level; - codec->volatile_register = wm9081_volatile_register; - - memcpy(codec->reg_cache, wm9081_reg_defaults, - sizeof(wm9081_reg_defaults)); - - ret = snd_soc_codec_set_cache_io(codec, 8, 16, control); - if (ret != 0) { - dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); - goto err; - } - - reg = snd_soc_read(codec, WM9081_SOFTWARE_RESET); - if (reg != 0x9081) { - dev_err(codec->dev, "Device is not a WM9081: ID=0x%x\n", reg); - ret = -EINVAL; - goto err; - } - - ret = wm9081_reset(codec); - if (ret < 0) { - dev_err(codec->dev, "Failed to issue reset\n"); - goto err; - } - - wm9081_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - - /* Enable zero cross by default */ - reg = snd_soc_read(codec, WM9081_ANALOGUE_LINEOUT); - snd_soc_write(codec, WM9081_ANALOGUE_LINEOUT, reg | WM9081_LINEOUTZC); - reg = snd_soc_read(codec, WM9081_ANALOGUE_SPEAKER_PGA); - snd_soc_write(codec, WM9081_ANALOGUE_SPEAKER_PGA, - reg | WM9081_SPKPGAZC); - - wm9081_dai.dev = codec->dev; - - wm9081_codec = codec; - - ret = snd_soc_register_codec(codec); - if (ret != 0) { - dev_err(codec->dev, "Failed to register codec: %d\n", ret); - goto err; - } - - ret = snd_soc_register_dai(&wm9081_dai); - if (ret != 0) { - dev_err(codec->dev, "Failed to register DAI: %d\n", ret); - goto err_codec; - } - - return 0; - -err_codec: - snd_soc_unregister_codec(codec); -err: - kfree(wm9081); - return ret; -} - -static void wm9081_unregister(struct wm9081_priv *wm9081) -{ - wm9081_set_bias_level(&wm9081->codec, SND_SOC_BIAS_OFF); - snd_soc_unregister_dai(&wm9081_dai); - snd_soc_unregister_codec(&wm9081->codec); - kfree(wm9081); - wm9081_codec = NULL; -} +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) static __devinit int wm9081_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct wm9081_priv *wm9081; - struct snd_soc_codec *codec; + int ret; wm9081 = kzalloc(sizeof(struct wm9081_priv), GFP_KERNEL); if (wm9081 == NULL) return -ENOMEM; - codec = &wm9081->codec; - codec->hw_write = (hw_write_t)i2c_master_send; - wm9081->retune = i2c->dev.platform_data; - i2c_set_clientdata(i2c, wm9081); - codec->control_data = i2c; - - codec->dev = &i2c->dev; + wm9081->control_data = i2c; - return wm9081_register(wm9081, SND_SOC_I2C); + ret = snd_soc_register_codec(&i2c->dev, + &soc_codec_dev_wm9081, &wm9081_dai, 1); + if (ret < 0) + kfree(wm9081); + return ret; } static __devexit int wm9081_i2c_remove(struct i2c_client *client) { - struct wm9081_priv *wm9081 = i2c_get_clientdata(client); - wm9081_unregister(wm9081); + snd_soc_unregister_codec(&client->dev); + kfree(i2c_get_clientdata(client)); return 0; } @@ -1452,31 +1359,34 @@ MODULE_DEVICE_TABLE(i2c, wm9081_i2c_id); static struct i2c_driver wm9081_i2c_driver = { .driver = { - .name = "wm9081", + .name = "wm9081-codec", .owner = THIS_MODULE, }, .probe = wm9081_i2c_probe, .remove = __devexit_p(wm9081_i2c_remove), .id_table = wm9081_i2c_id, }; +#endif static int __init wm9081_modinit(void) { - int ret; - + int ret = 0; +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) ret = i2c_add_driver(&wm9081_i2c_driver); if (ret != 0) { printk(KERN_ERR "Failed to register WM9081 I2C driver: %d\n", ret); } - +#endif return ret; } module_init(wm9081_modinit); static void __exit wm9081_exit(void) { +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) i2c_del_driver(&wm9081_i2c_driver); +#endif } module_exit(wm9081_exit); |