diff options
Diffstat (limited to 'sound/soc/codecs/wm8990.c')
-rw-r--r-- | sound/soc/codecs/wm8990.c | 226 |
1 files changed, 54 insertions, 172 deletions
diff --git a/sound/soc/codecs/wm8990.c b/sound/soc/codecs/wm8990.c index dd8d909..b252433 100644 --- a/sound/soc/codecs/wm8990.c +++ b/sound/soc/codecs/wm8990.c @@ -32,6 +32,8 @@ /* codec private data */ struct wm8990_priv { + enum snd_soc_control_type control_type; + void *control_data; unsigned int sysclk; unsigned int pcmclk; }; @@ -1114,8 +1116,7 @@ static int wm8990_hw_params(struct snd_pcm_substream *substream, 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; u16 audio1 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_1); audio1 &= ~WM8990_AIF_WL_MASK; @@ -1293,10 +1294,9 @@ static struct snd_soc_dai_ops wm8990_dai_ops = { .set_sysclk = wm8990_set_dai_sysclk, }; -struct snd_soc_dai wm8990_dai = { +static struct snd_soc_dai_driver wm8990_dai = { /* ADC/DAC on primary */ - .name = "WM8990 ADC/DAC Primary", - .id = 1, + .name = "wm8990-hifi", .playback = { .stream_name = "Playback", .channels_min = 1, @@ -1311,21 +1311,15 @@ struct snd_soc_dai wm8990_dai = { .formats = WM8990_FORMATS,}, .ops = &wm8990_dai_ops, }; -EXPORT_SYMBOL_GPL(wm8990_dai); -static int wm8990_suspend(struct platform_device *pdev, pm_message_t state) +static int wm8990_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; - wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } -static int wm8990_resume(struct platform_device *pdev) +static int wm8990_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; @@ -1347,38 +1341,21 @@ static int wm8990_resume(struct platform_device *pdev) * initialise the WM8990 driver * register the mixer and dsp interfaces with the kernel */ -static int wm8990_init(struct snd_soc_device *socdev) +static int wm8990_probe(struct snd_soc_codec *codec) { - struct snd_soc_codec *codec = socdev->card->codec; + struct wm8990_priv *wm8990 = snd_soc_codec_get_drvdata(codec); + int ret; u16 reg; - int ret = 0; - - codec->name = "WM8990"; - codec->owner = THIS_MODULE; - codec->set_bias_level = wm8990_set_bias_level; - codec->dai = &wm8990_dai; - codec->num_dai = 2; - codec->reg_cache_size = ARRAY_SIZE(wm8990_reg); - codec->reg_cache = kmemdup(wm8990_reg, sizeof(wm8990_reg), GFP_KERNEL); - - if (codec->reg_cache == NULL) - return -ENOMEM; + codec->control_data = wm8990->control_data; ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C); if (ret < 0) { printk(KERN_ERR "wm8990: failed to set cache I/O: %d\n", ret); - goto pcm_err; + return ret; } wm8990_reset(codec); - /* register pcms */ - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); - if (ret < 0) { - printk(KERN_ERR "wm8990: failed to create pcms\n"); - goto pcm_err; - } - /* charge output caps */ codec->bias_level = SND_SOC_BIAS_OFF; wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY); @@ -1400,47 +1377,52 @@ static int wm8990_init(struct snd_soc_device *socdev) ARRAY_SIZE(wm8990_snd_controls)); wm8990_add_widgets(codec); - return ret; + return 0; +} -pcm_err: - kfree(codec->reg_cache); - return ret; +/* power down chip */ +static int wm8990_remove(struct snd_soc_codec *codec) +{ + wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF); + return 0; } -/* If the i2c layer weren't so broken, we could pass this kind of data - around */ -static struct snd_soc_device *wm8990_socdev; +static struct snd_soc_codec_driver soc_codec_dev_wm8990 = { + .probe = wm8990_probe, + .remove = wm8990_remove, + .suspend = wm8990_suspend, + .resume = wm8990_resume, + .set_bias_level = wm8990_set_bias_level, + .reg_cache_size = ARRAY_SIZE(wm8990_reg), + .reg_word_size = sizeof(u16), + .reg_cache_default = wm8990_reg, +}; #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - -/* - * WM891 2 wire address is determined by GPIO5 - * state during powerup. - * low = 0x34 - * high = 0x36 - */ - -static int wm8990_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) +static __devinit int wm8990_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) { - struct snd_soc_device *socdev = wm8990_socdev; - struct snd_soc_codec *codec = socdev->card->codec; + struct wm8990_priv *wm8990; int ret; - i2c_set_clientdata(i2c, codec); - codec->control_data = i2c; + wm8990 = kzalloc(sizeof(struct wm8990_priv), GFP_KERNEL); + if (wm8990 == NULL) + return -ENOMEM; - ret = wm8990_init(socdev); - if (ret < 0) - pr_err("failed to initialise WM8990\n"); + i2c_set_clientdata(i2c, wm8990); + wm8990->control_data = i2c; + ret = snd_soc_register_codec(&i2c->dev, + &soc_codec_dev_wm8990, &wm8990_dai, 1); + if (ret < 0) + kfree(wm8990); return ret; } -static int wm8990_i2c_remove(struct i2c_client *client) +static __devexit int wm8990_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; } @@ -1452,134 +1434,34 @@ MODULE_DEVICE_TABLE(i2c, wm8990_i2c_id); static struct i2c_driver wm8990_i2c_driver = { .driver = { - .name = "WM8990 I2C Codec", + .name = "wm8990-codec", .owner = THIS_MODULE, }, .probe = wm8990_i2c_probe, - .remove = wm8990_i2c_remove, + .remove = __devexit_p(wm8990_i2c_remove), .id_table = wm8990_i2c_id, }; - -static int wm8990_add_i2c_device(struct platform_device *pdev, - const struct wm8990_setup_data *setup) -{ - struct i2c_board_info info; - struct i2c_adapter *adapter; - struct i2c_client *client; - int ret; - - ret = i2c_add_driver(&wm8990_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, "wm8990", 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(&wm8990_i2c_driver); - return -ENODEV; -} #endif -static int wm8990_probe(struct platform_device *pdev) +static int __init wm8990_modinit(void) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct wm8990_setup_data *setup; - struct snd_soc_codec *codec; - struct wm8990_priv *wm8990; - int ret; - - setup = socdev->codec_data; - codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); - if (codec == NULL) - return -ENOMEM; - - wm8990 = kzalloc(sizeof(struct wm8990_priv), GFP_KERNEL); - if (wm8990 == NULL) { - kfree(codec); - return -ENOMEM; - } - - snd_soc_codec_set_drvdata(codec, wm8990); - socdev->card->codec = codec; - mutex_init(&codec->mutex); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - wm8990_socdev = socdev; - - ret = -ENODEV; - + int ret = 0; #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - if (setup->i2c_address) { - codec->hw_write = (hw_write_t)i2c_master_send; - ret = wm8990_add_i2c_device(pdev, setup); - } -#endif - + ret = i2c_add_driver(&wm8990_i2c_driver); if (ret != 0) { - kfree(snd_soc_codec_get_drvdata(codec)); - kfree(codec); + printk(KERN_ERR "Failed to register wm8990 I2C driver: %d\n", + ret); } +#endif return ret; } +module_init(wm8990_modinit); -/* power down chip */ -static int wm8990_remove(struct platform_device *pdev) +static void __exit wm8990_exit(void) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; - - if (codec->control_data) - wm8990_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(&wm8990_i2c_driver); #endif - kfree(snd_soc_codec_get_drvdata(codec)); - kfree(codec); - - return 0; -} - -struct snd_soc_codec_device soc_codec_dev_wm8990 = { - .probe = wm8990_probe, - .remove = wm8990_remove, - .suspend = wm8990_suspend, - .resume = wm8990_resume, -}; -EXPORT_SYMBOL_GPL(soc_codec_dev_wm8990); - -static int __init wm8990_modinit(void) -{ - return snd_soc_register_dai(&wm8990_dai); -} -module_init(wm8990_modinit); - -static void __exit wm8990_exit(void) -{ - snd_soc_unregister_dai(&wm8990_dai); } module_exit(wm8990_exit); |