diff options
Diffstat (limited to 'sound/soc/codecs/wm8731.c')
-rw-r--r-- | sound/soc/codecs/wm8731.c | 245 |
1 files changed, 90 insertions, 155 deletions
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c index 0ab9b6355297..631385802eb4 100644 --- a/sound/soc/codecs/wm8731.c +++ b/sound/soc/codecs/wm8731.c @@ -32,9 +32,6 @@ #include "wm8731.h" -static struct snd_soc_codec *wm8731_codec; -struct snd_soc_codec_device soc_codec_dev_wm8731; - #define WM8731_NUM_SUPPLIES 4 static const char *wm8731_supply_names[WM8731_NUM_SUPPLIES] = { "AVDD", @@ -45,10 +42,11 @@ static const char *wm8731_supply_names[WM8731_NUM_SUPPLIES] = { /* codec private data */ struct wm8731_priv { - struct snd_soc_codec codec; + enum snd_soc_control_type control_type; struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES]; u16 reg_cache[WM8731_CACHEREGNUM]; unsigned int sysclk; + int sysclk_type; }; @@ -113,6 +111,7 @@ static const struct snd_kcontrol_new wm8731_input_mux_controls = SOC_DAPM_ENUM("Input Select", wm8731_enum[0]); static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = { +SND_SOC_DAPM_SUPPLY("OSC", WM8731_PWR, 5, 1, NULL, 0), SND_SOC_DAPM_MIXER("Output Mixer", WM8731_PWR, 4, 1, &wm8731_output_mixer_controls[0], ARRAY_SIZE(wm8731_output_mixer_controls)), @@ -130,7 +129,18 @@ SND_SOC_DAPM_INPUT("RLINEIN"), SND_SOC_DAPM_INPUT("LLINEIN"), }; +static int wm8731_check_osc(struct snd_soc_dapm_widget *source, + struct snd_soc_dapm_widget *sink) +{ + struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(source->codec); + + return wm8731->sysclk_type == WM8731_SYSCLK_MCLK; +} + static const struct snd_soc_dapm_route intercon[] = { + {"DAC", NULL, "OSC", wm8731_check_osc}, + {"ADC", NULL, "OSC", wm8731_check_osc}, + /* output mixer */ {"Output Mixer", "Line Bypass Switch", "Line Input"}, {"Output Mixer", "HiFi Playback Switch", "DAC"}, @@ -222,9 +232,7 @@ static int wm8731_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, 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 = dai->codec; struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); u16 iface = snd_soc_read(codec, WM8731_IFACE) & 0xfff3; int i = get_coeff(wm8731->sysclk, params_rate(params)); @@ -252,9 +260,7 @@ static int wm8731_hw_params(struct snd_pcm_substream *substream, static int wm8731_pcm_prepare(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 = dai->codec; /* set active */ snd_soc_write(codec, WM8731_ACTIVE, 0x0001); @@ -265,9 +271,7 @@ static int wm8731_pcm_prepare(struct snd_pcm_substream *substream, static void wm8731_shutdown(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 = dai->codec; /* deactivate */ if (!codec->active) { @@ -294,6 +298,15 @@ static int wm8731_set_dai_sysclk(struct snd_soc_dai *codec_dai, struct snd_soc_codec *codec = codec_dai->codec; struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); + switch (clk_id) { + case WM8731_SYSCLK_XTAL: + case WM8731_SYSCLK_MCLK: + wm8731->sysclk_type = clk_id; + break; + default: + return -EINVAL; + } + switch (freq) { case 11289600: case 12000000: @@ -301,9 +314,14 @@ static int wm8731_set_dai_sysclk(struct snd_soc_dai *codec_dai, case 16934400: case 18432000: wm8731->sysclk = freq; - return 0; + break; + default: + return -EINVAL; } - return -EINVAL; + + snd_soc_dapm_sync(codec); + + return 0; } @@ -428,8 +446,8 @@ static struct snd_soc_dai_ops wm8731_dai_ops = { .set_fmt = wm8731_set_dai_fmt, }; -struct snd_soc_dai wm8731_dai = { - .name = "WM8731", +static struct snd_soc_dai_driver wm8731_dai = { + .name = "wm8731-hifi", .playback = { .stream_name = "Playback", .channels_min = 1, @@ -445,24 +463,17 @@ struct snd_soc_dai wm8731_dai = { .ops = &wm8731_dai_ops, .symmetric_rates = 1, }; -EXPORT_SYMBOL_GPL(wm8731_dai); #ifdef CONFIG_PM -static int wm8731_suspend(struct platform_device *pdev, pm_message_t state) +static int wm8731_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; - wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } -static int wm8731_resume(struct platform_device *pdev) +static int wm8731_resume(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; - wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY); return 0; @@ -472,88 +483,15 @@ static int wm8731_resume(struct platform_device *pdev) #define wm8731_resume NULL #endif -static int wm8731_probe(struct platform_device *pdev) +static int wm8731_probe(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; - int ret = 0; - - if (wm8731_codec == NULL) { - dev_err(&pdev->dev, "Codec device not registered\n"); - return -ENODEV; - } - - socdev->card->codec = wm8731_codec; - codec = wm8731_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; - } - - snd_soc_add_controls(codec, wm8731_snd_controls, - ARRAY_SIZE(wm8731_snd_controls)); - wm8731_add_widgets(codec); - - return ret; - -pcm_err: - return ret; -} - -/* power down chip */ -static int wm8731_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_wm8731 = { - .probe = wm8731_probe, - .remove = wm8731_remove, - .suspend = wm8731_suspend, - .resume = wm8731_resume, -}; -EXPORT_SYMBOL_GPL(soc_codec_dev_wm8731); - -static int wm8731_register(struct wm8731_priv *wm8731, - enum snd_soc_control_type control) -{ - int ret, i; - struct snd_soc_codec *codec = &wm8731->codec; - - if (wm8731_codec) { - dev_err(codec->dev, "Another WM8731 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, wm8731); - codec->name = "WM8731"; - codec->owner = THIS_MODULE; - codec->bias_level = SND_SOC_BIAS_OFF; - codec->set_bias_level = wm8731_set_bias_level; - codec->dai = &wm8731_dai; - codec->num_dai = 1; - codec->reg_cache_size = WM8731_CACHEREGNUM; - codec->reg_cache = &wm8731->reg_cache; - - memcpy(codec->reg_cache, wm8731_reg, sizeof(wm8731_reg)); + struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); + int ret = 0, i; - ret = snd_soc_codec_set_cache_io(codec, 7, 9, control); + ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8731->control_type); 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(wm8731->supplies); i++) @@ -563,7 +501,7 @@ static int wm8731_register(struct wm8731_priv *wm8731, wm8731->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(wm8731->supplies), @@ -579,8 +517,6 @@ static int wm8731_register(struct wm8731_priv *wm8731, goto err_regulator_enable; } - wm8731_dai.dev = codec->dev; - wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY); /* Latch the update bits */ @@ -592,79 +528,78 @@ static int wm8731_register(struct wm8731_priv *wm8731, /* Disable bypass path by default */ snd_soc_update_bits(codec, WM8731_APANA, 0x4, 0); - wm8731_codec = codec; - - ret = snd_soc_register_codec(codec); - if (ret != 0) { - dev_err(codec->dev, "Failed to register codec: %d\n", ret); - goto err_regulator_enable; - } - - ret = snd_soc_register_dai(&wm8731_dai); - if (ret != 0) { - dev_err(codec->dev, "Failed to register DAI: %d\n", ret); - snd_soc_unregister_codec(codec); - goto err_codec; - } + snd_soc_add_controls(codec, wm8731_snd_controls, + ARRAY_SIZE(wm8731_snd_controls)); + wm8731_add_widgets(codec); /* Regulators will have been enabled by bias management */ regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); return 0; -err_codec: - snd_soc_unregister_codec(codec); err_regulator_enable: regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); err_regulator_get: regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); -err: + kfree(wm8731); return ret; } -static void wm8731_unregister(struct wm8731_priv *wm8731) +/* power down chip */ +static int wm8731_remove(struct snd_soc_codec *codec) { - wm8731_set_bias_level(&wm8731->codec, SND_SOC_BIAS_OFF); - snd_soc_unregister_dai(&wm8731_dai); - snd_soc_unregister_codec(&wm8731->codec); + struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); + + wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF); + + regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); - kfree(wm8731); - wm8731_codec = NULL; + + return 0; } +static struct snd_soc_codec_driver soc_codec_dev_wm8731 = { + .probe = wm8731_probe, + .remove = wm8731_remove, + .suspend = wm8731_suspend, + .resume = wm8731_resume, + .set_bias_level = wm8731_set_bias_level, + .reg_cache_size = ARRAY_SIZE(wm8731_reg), + .reg_word_size = sizeof(u16), + .reg_cache_default = wm8731_reg, +}; + #if defined(CONFIG_SPI_MASTER) static int __devinit wm8731_spi_probe(struct spi_device *spi) { - struct snd_soc_codec *codec; struct wm8731_priv *wm8731; + int ret; wm8731 = kzalloc(sizeof(struct wm8731_priv), GFP_KERNEL); if (wm8731 == NULL) return -ENOMEM; - codec = &wm8731->codec; - codec->control_data = spi; - codec->dev = &spi->dev; - - dev_set_drvdata(&spi->dev, wm8731); + wm8731->control_type = SND_SOC_SPI; + spi_set_drvdata(spi, wm8731); - return wm8731_register(wm8731, SND_SOC_SPI); + ret = snd_soc_register_codec(&spi->dev, + &soc_codec_dev_wm8731, &wm8731_dai, 1); + if (ret < 0) + kfree(wm8731); + return ret; } static int __devexit wm8731_spi_remove(struct spi_device *spi) { - struct wm8731_priv *wm8731 = dev_get_drvdata(&spi->dev); - - wm8731_unregister(wm8731); - + snd_soc_unregister_codec(&spi->dev); + kfree(spi_get_drvdata(spi)); return 0; } static struct spi_driver wm8731_spi_driver = { .driver = { - .name = "wm8731", - .bus = &spi_bus_type, + .name = "wm8731-codec", .owner = THIS_MODULE, }, .probe = wm8731_spi_probe, @@ -677,26 +612,26 @@ static __devinit int wm8731_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct wm8731_priv *wm8731; - struct snd_soc_codec *codec; + int ret; wm8731 = kzalloc(sizeof(struct wm8731_priv), GFP_KERNEL); if (wm8731 == NULL) return -ENOMEM; - codec = &wm8731->codec; - i2c_set_clientdata(i2c, wm8731); - codec->control_data = i2c; - - codec->dev = &i2c->dev; + wm8731->control_type = SND_SOC_I2C; - return wm8731_register(wm8731, SND_SOC_I2C); + ret = snd_soc_register_codec(&i2c->dev, + &soc_codec_dev_wm8731, &wm8731_dai, 1); + if (ret < 0) + kfree(wm8731); + return ret; } static __devexit int wm8731_i2c_remove(struct i2c_client *client) { - struct wm8731_priv *wm8731 = i2c_get_clientdata(client); - wm8731_unregister(wm8731); + snd_soc_unregister_codec(&client->dev); + kfree(i2c_get_clientdata(client)); return 0; } @@ -708,7 +643,7 @@ MODULE_DEVICE_TABLE(i2c, wm8731_i2c_id); static struct i2c_driver wm8731_i2c_driver = { .driver = { - .name = "wm8731", + .name = "wm8731-codec", .owner = THIS_MODULE, }, .probe = wm8731_i2c_probe, @@ -719,7 +654,7 @@ static struct i2c_driver wm8731_i2c_driver = { static int __init wm8731_modinit(void) { - int ret; + int ret = 0; #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) ret = i2c_add_driver(&wm8731_i2c_driver); if (ret != 0) { @@ -734,7 +669,7 @@ static int __init wm8731_modinit(void) ret); } #endif - return 0; + return ret; } module_init(wm8731_modinit); |