X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=sound%2Fsoc%2Fcodecs%2Fwm8940.c;h=d28bf0dfdb1dd4ded519caa2943ef5dbd64cfc76;hb=f0fba2ad1;hp=f0c11138e61002cf2c6a0f419c64de177f0e9a62;hpb=bda7d2a862e6b788bca2d02d38a07966a9c92e48;p=mv-sheeva.git diff --git a/sound/soc/codecs/wm8940.c b/sound/soc/codecs/wm8940.c index f0c11138e61..d28bf0dfdb1 100644 --- a/sound/soc/codecs/wm8940.c +++ b/sound/soc/codecs/wm8940.c @@ -44,7 +44,8 @@ struct wm8940_priv { unsigned int sysclk; u16 reg_cache[WM8940_CACHEREGNUM]; - struct snd_soc_codec codec; + enum snd_soc_control_type control_type; + void *control_data; }; static u16 wm8940_reg_defaults[] = { @@ -365,8 +366,7 @@ static int wm8940_i2s_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 iface = snd_soc_read(codec, WM8940_IFACE) & 0xFD9F; u16 addcntrl = snd_soc_read(codec, WM8940_ADDCNTRL) & 0xFFF1; u16 companding = snd_soc_read(codec, @@ -636,8 +636,8 @@ static struct snd_soc_dai_ops wm8940_dai_ops = { .set_pll = wm8940_set_dai_pll, }; -struct snd_soc_dai wm8940_dai = { - .name = "WM8940", +static struct snd_soc_dai_driver wm8940_dai = { + .name = "wm8940-hifi", .playback = { .stream_name = "Playback", .channels_min = 1, @@ -655,20 +655,14 @@ struct snd_soc_dai wm8940_dai = { .ops = &wm8940_dai_ops, .symmetric_rates = 1, }; -EXPORT_SYMBOL_GPL(wm8940_dai); -static int wm8940_suspend(struct platform_device *pdev, pm_message_t state) +static int wm8940_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; - return wm8940_set_bias_level(codec, SND_SOC_BIAS_OFF); } -static int wm8940_resume(struct platform_device *pdev) +static int wm8940_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; int ret; u8 data[3]; @@ -697,108 +691,26 @@ error_ret: return ret; } -static struct snd_soc_codec *wm8940_codec; - -static int wm8940_probe(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; - - int ret = 0; - - if (wm8940_codec == NULL) { - dev_err(&pdev->dev, "Codec device not registered\n"); - return -ENODEV; - } - - socdev->card->codec = wm8940_codec; - codec = wm8940_codec; - - mutex_init(&codec->mutex); - /* 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; - } - - ret = snd_soc_add_controls(codec, wm8940_snd_controls, - ARRAY_SIZE(wm8940_snd_controls)); - if (ret) - goto error_free_pcms; - ret = wm8940_add_widgets(codec); - if (ret) - goto error_free_pcms; - - return ret; - -error_free_pcms: - snd_soc_free_pcms(socdev); - snd_soc_dapm_free(socdev); -pcm_err: - return ret; -} - -static int wm8940_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_wm8940 = { - .probe = wm8940_probe, - .remove = wm8940_remove, - .suspend = wm8940_suspend, - .resume = wm8940_resume, -}; -EXPORT_SYMBOL_GPL(soc_codec_dev_wm8940); - -static int wm8940_register(struct wm8940_priv *wm8940, - enum snd_soc_control_type control) +static int wm8940_probe(struct snd_soc_codec *codec) { - struct wm8940_setup_data *pdata = wm8940->codec.dev->platform_data; - struct snd_soc_codec *codec = &wm8940->codec; + struct wm8940_priv *wm8940 = snd_soc_codec_get_drvdata(codec); + struct wm8940_setup_data *pdata = codec->dev->platform_data; int ret; u16 reg; - if (wm8940_codec) { - dev_err(codec->dev, "Another WM8940 is registered\n"); - return -EINVAL; - } - - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - - snd_soc_codec_set_drvdata(codec, wm8940); - codec->name = "WM8940"; - codec->owner = THIS_MODULE; - codec->bias_level = SND_SOC_BIAS_OFF; - codec->set_bias_level = wm8940_set_bias_level; - codec->dai = &wm8940_dai; - codec->num_dai = 1; - codec->reg_cache_size = ARRAY_SIZE(wm8940_reg_defaults); - codec->reg_cache = &wm8940->reg_cache; - ret = snd_soc_codec_set_cache_io(codec, 8, 16, control); + codec->control_data = wm8940->control_data; + ret = snd_soc_codec_set_cache_io(codec, 8, 16, wm8940->control_type); if (ret < 0) { dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); return ret; } - memcpy(codec->reg_cache, wm8940_reg_defaults, - sizeof(wm8940_reg_defaults)); - ret = wm8940_reset(codec); if (ret < 0) { dev_err(codec->dev, "Failed to issue reset\n"); return ret; } - wm8940_dai.dev = codec->dev; - wm8940_set_bias_level(codec, SND_SOC_BIAS_STANDBY); ret = snd_soc_write(codec, WM8940_POWER1, 0x180); @@ -814,64 +726,60 @@ static int wm8940_register(struct wm8940_priv *wm8940, return ret; } - - wm8940_codec = codec; - - ret = snd_soc_register_codec(codec); - if (ret) { - dev_err(codec->dev, "Failed to register codec: %d\n", ret); + ret = snd_soc_add_controls(codec, wm8940_snd_controls, + ARRAY_SIZE(wm8940_snd_controls)); + if (ret) return ret; - } - - ret = snd_soc_register_dai(&wm8940_dai); - if (ret) { - dev_err(codec->dev, "Failed to register DAI: %d\n", ret); - snd_soc_unregister_codec(codec); + ret = wm8940_add_widgets(codec); + if (ret) return ret; - } - return 0; + return ret; +; } -static void wm8940_unregister(struct wm8940_priv *wm8940) +static int wm8940_remove(struct snd_soc_codec *codec) { - wm8940_set_bias_level(&wm8940->codec, SND_SOC_BIAS_OFF); - snd_soc_unregister_dai(&wm8940_dai); - snd_soc_unregister_codec(&wm8940->codec); - kfree(wm8940); - wm8940_codec = NULL; + wm8940_set_bias_level(codec, SND_SOC_BIAS_OFF); + return 0; } -static int wm8940_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) +static struct snd_soc_codec_driver soc_codec_dev_wm8940 = { + .probe = wm8940_probe, + .remove = wm8940_remove, + .suspend = wm8940_suspend, + .resume = wm8940_resume, + .set_bias_level = wm8940_set_bias_level, + .reg_cache_size = sizeof(wm8940_reg_defaults), + .reg_word_size = sizeof(u16), + .reg_cache_default = wm8940_reg_defaults, +}; + +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) +static __devinit int wm8940_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) { - int ret; struct wm8940_priv *wm8940; - struct snd_soc_codec *codec; + int ret; - wm8940 = kzalloc(sizeof *wm8940, GFP_KERNEL); + wm8940 = kzalloc(sizeof(struct wm8940_priv), GFP_KERNEL); if (wm8940 == NULL) return -ENOMEM; - codec = &wm8940->codec; - codec->hw_write = (hw_write_t)i2c_master_send; i2c_set_clientdata(i2c, wm8940); - codec->control_data = i2c; - codec->dev = &i2c->dev; + wm8940->control_data = i2c; - ret = wm8940_register(wm8940, SND_SOC_I2C); + ret = snd_soc_register_codec(&i2c->dev, + &soc_codec_dev_wm8940, &wm8940_dai, 1); if (ret < 0) kfree(wm8940); - return ret; } -static int __devexit wm8940_i2c_remove(struct i2c_client *client) +static __devexit int wm8940_i2c_remove(struct i2c_client *client) { - struct wm8940_priv *wm8940 = i2c_get_clientdata(client); - - wm8940_unregister(wm8940); - + snd_soc_unregister_codec(&client->dev); + kfree(i2c_get_clientdata(client)); return 0; } @@ -883,29 +791,34 @@ MODULE_DEVICE_TABLE(i2c, wm8940_i2c_id); static struct i2c_driver wm8940_i2c_driver = { .driver = { - .name = "WM8940 I2C Codec", + .name = "wm8940-codec", .owner = THIS_MODULE, }, - .probe = wm8940_i2c_probe, - .remove = __devexit_p(wm8940_i2c_remove), + .probe = wm8940_i2c_probe, + .remove = __devexit_p(wm8940_i2c_remove), .id_table = wm8940_i2c_id, }; +#endif static int __init wm8940_modinit(void) { - int ret; - + int ret = 0; +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) ret = i2c_add_driver(&wm8940_i2c_driver); - if (ret) - printk(KERN_ERR "Failed to register WM8940 I2C driver: %d\n", + if (ret != 0) { + printk(KERN_ERR "Failed to register wm8940 I2C driver: %d\n", ret); + } +#endif return ret; } module_init(wm8940_modinit); static void __exit wm8940_exit(void) { +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) i2c_del_driver(&wm8940_i2c_driver); +#endif } module_exit(wm8940_exit);