diff options
Diffstat (limited to 'sound/soc/codecs/uda1380.c')
-rw-r--r-- | sound/soc/codecs/uda1380.c | 211 |
1 files changed, 57 insertions, 154 deletions
diff --git a/sound/soc/codecs/uda1380.c b/sound/soc/codecs/uda1380.c index 2f925a2..1a51c81 100644 --- a/sound/soc/codecs/uda1380.c +++ b/sound/soc/codecs/uda1380.c @@ -33,11 +33,9 @@ #include "uda1380.h" -static struct snd_soc_codec *uda1380_codec; - /* codec private data */ struct uda1380_priv { - struct snd_soc_codec codec; + struct snd_soc_codec *codec; u16 reg_cache[UDA1380_CACHEREGNUM]; unsigned int dac_clk; struct work_struct work; @@ -135,6 +133,8 @@ static int uda1380_write(struct snd_soc_codec *codec, unsigned int reg, static void uda1380_flush_work(struct work_struct *work) { + struct uda1380_priv *uda1380 = container_of(work, struct uda1380_priv, work); + struct snd_soc_codec *uda1380_codec = uda1380->codec; int bit, reg; for_each_set_bit(bit, &uda1380_cache_dirty, UDA1380_CACHEREGNUM - 0x10) { @@ -145,6 +145,7 @@ static void uda1380_flush_work(struct work_struct *work) uda1380_read_reg_cache(uda1380_codec, reg)); clear_bit(bit, &uda1380_cache_dirty); } + } /* declarations of ALSA reg_elem_REAL controls */ @@ -474,8 +475,7 @@ static int uda1380_trigger(struct snd_pcm_substream *substream, int cmd, 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; struct uda1380_priv *uda1380 = snd_soc_codec_get_drvdata(codec); int mixer = uda1380_read_reg_cache(codec, UDA1380_MIXER); @@ -501,8 +501,7 @@ static int uda1380_pcm_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 clk = uda1380_read_reg_cache(codec, UDA1380_CLK); /* set WSPLL power and divider if running from this clock */ @@ -540,8 +539,7 @@ static void uda1380_pcm_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 = rtd->codec; u16 clk = uda1380_read_reg_cache(codec, UDA1380_CLK); /* shut down WSPLL power if running from this clock */ @@ -604,9 +602,9 @@ static struct snd_soc_dai_ops uda1380_dai_ops_capture = { .set_fmt = uda1380_set_dai_fmt_capture, }; -struct snd_soc_dai uda1380_dai[] = { +static struct snd_soc_dai_driver uda1380_dai[] = { { - .name = "UDA1380", + .name = "uda1380-hifi", .playback = { .stream_name = "Playback", .channels_min = 1, @@ -622,7 +620,7 @@ struct snd_soc_dai uda1380_dai[] = { .ops = &uda1380_dai_ops, }, { /* playback only - dual interface */ - .name = "UDA1380", + .name = "uda1380-hifi-playback", .playback = { .stream_name = "Playback", .channels_min = 1, @@ -633,7 +631,7 @@ struct snd_soc_dai uda1380_dai[] = { .ops = &uda1380_dai_ops_playback, }, { /* capture only - dual interface*/ - .name = "UDA1380", + .name = "uda1380-hifi-capture", .capture = { .stream_name = "Capture", .channels_min = 1, @@ -644,21 +642,15 @@ struct snd_soc_dai uda1380_dai[] = { .ops = &uda1380_dai_ops_capture, }, }; -EXPORT_SYMBOL_GPL(uda1380_dai); -static int uda1380_suspend(struct platform_device *pdev, pm_message_t state) +static int uda1380_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; - uda1380_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } -static int uda1380_resume(struct platform_device *pdev) +static int uda1380_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; @@ -673,91 +665,20 @@ static int uda1380_resume(struct platform_device *pdev) return 0; } -static int uda1380_probe(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec; - struct uda1380_platform_data *pdata; - int ret = 0; - - if (uda1380_codec == NULL) { - dev_err(&pdev->dev, "Codec device not registered\n"); - return -ENODEV; - } - - socdev->card->codec = uda1380_codec; - codec = uda1380_codec; - pdata = codec->dev->platform_data; - - /* 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; - } - - /* power on device */ - uda1380_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - /* set clock input */ - switch (pdata->dac_clk) { - case UDA1380_DAC_CLK_SYSCLK: - uda1380_write(codec, UDA1380_CLK, 0); - break; - case UDA1380_DAC_CLK_WSPLL: - uda1380_write(codec, UDA1380_CLK, R00_DAC_CLK); - break; - } - - snd_soc_add_controls(codec, uda1380_snd_controls, - ARRAY_SIZE(uda1380_snd_controls)); - uda1380_add_widgets(codec); - - return ret; - -pcm_err: - return ret; -} - -/* power down chip */ -static int uda1380_remove(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; - - if (codec->control_data) - uda1380_set_bias_level(codec, SND_SOC_BIAS_OFF); - - snd_soc_free_pcms(socdev); - snd_soc_dapm_free(socdev); - - return 0; -} - -struct snd_soc_codec_device soc_codec_dev_uda1380 = { - .probe = uda1380_probe, - .remove = uda1380_remove, - .suspend = uda1380_suspend, - .resume = uda1380_resume, -}; -EXPORT_SYMBOL_GPL(soc_codec_dev_uda1380); - -static int uda1380_register(struct uda1380_priv *uda1380) +static int uda1380_probe(struct snd_soc_codec *codec) { - int ret, i; - struct snd_soc_codec *codec = &uda1380->codec; - struct uda1380_platform_data *pdata = codec->dev->platform_data; + struct uda1380_platform_data *pdata =codec->dev->platform_data; + struct uda1380_priv *uda1380 = snd_soc_codec_get_drvdata(codec); + int ret; - if (uda1380_codec) { - dev_err(codec->dev, "Another UDA1380 is registered\n"); - return -EINVAL; - } + codec->hw_write = (hw_write_t)i2c_master_send; if (!pdata || !pdata->gpio_power || !pdata->gpio_reset) return -EINVAL; ret = gpio_request(pdata->gpio_power, "uda1380 power"); if (ret) - goto err_out; + return ret; ret = gpio_request(pdata->gpio_reset, "uda1380 reset"); if (ret) goto err_gpio; @@ -769,25 +690,6 @@ static int uda1380_register(struct uda1380_priv *uda1380) udelay(5); gpio_set_value(pdata->gpio_reset, 0); - mutex_init(&codec->mutex); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - - snd_soc_codec_set_drvdata(codec, uda1380); - codec->name = "UDA1380"; - codec->owner = THIS_MODULE; - codec->read = uda1380_read_reg_cache; - codec->write = uda1380_write; - codec->bias_level = SND_SOC_BIAS_OFF; - codec->set_bias_level = uda1380_set_bias_level; - codec->dai = uda1380_dai; - codec->num_dai = ARRAY_SIZE(uda1380_dai); - codec->reg_cache_size = ARRAY_SIZE(uda1380_reg); - codec->reg_cache = &uda1380->reg_cache; - codec->reg_cache_step = 1; - - memcpy(codec->reg_cache, uda1380_reg, sizeof(uda1380_reg)); - ret = uda1380_reset(codec); if (ret < 0) { dev_err(codec->dev, "Failed to issue reset\n"); @@ -796,83 +698,84 @@ static int uda1380_register(struct uda1380_priv *uda1380) INIT_WORK(&uda1380->work, uda1380_flush_work); - for (i = 0; i < ARRAY_SIZE(uda1380_dai); i++) - uda1380_dai[i].dev = codec->dev; - - uda1380_codec = codec; - - ret = snd_soc_register_codec(codec); - if (ret != 0) { - dev_err(codec->dev, "Failed to register codec: %d\n", ret); - goto err_reset; + /* power on device */ + uda1380_set_bias_level(codec, SND_SOC_BIAS_STANDBY); + /* set clock input */ + switch (pdata->dac_clk) { + case UDA1380_DAC_CLK_SYSCLK: + uda1380_write(codec, UDA1380_CLK, 0); + break; + case UDA1380_DAC_CLK_WSPLL: + uda1380_write(codec, UDA1380_CLK, R00_DAC_CLK); + break; } - ret = snd_soc_register_dais(uda1380_dai, ARRAY_SIZE(uda1380_dai)); - if (ret != 0) { - dev_err(codec->dev, "Failed to register DAIs: %d\n", ret); - goto err_dai; - } + snd_soc_add_controls(codec, uda1380_snd_controls, + ARRAY_SIZE(uda1380_snd_controls)); + uda1380_add_widgets(codec); return 0; -err_dai: - snd_soc_unregister_codec(codec); err_reset: gpio_set_value(pdata->gpio_power, 0); gpio_free(pdata->gpio_reset); err_gpio: gpio_free(pdata->gpio_power); -err_out: return ret; } -static void uda1380_unregister(struct uda1380_priv *uda1380) +/* power down chip */ +static int uda1380_remove(struct snd_soc_codec *codec) { - struct snd_soc_codec *codec = &uda1380->codec; - struct uda1380_platform_data *pdata = codec->dev->platform_data; + struct uda1380_platform_data *pdata =codec->dev->platform_data; - snd_soc_unregister_dais(uda1380_dai, ARRAY_SIZE(uda1380_dai)); - snd_soc_unregister_codec(&uda1380->codec); + uda1380_set_bias_level(codec, SND_SOC_BIAS_OFF); gpio_set_value(pdata->gpio_power, 0); gpio_free(pdata->gpio_reset); gpio_free(pdata->gpio_power); - kfree(uda1380); - uda1380_codec = NULL; + return 0; } +static struct snd_soc_codec_driver soc_codec_dev_uda1380 = { + .probe = uda1380_probe, + .remove = uda1380_remove, + .suspend = uda1380_suspend, + .resume = uda1380_resume, + .read = uda1380_read_reg_cache, + .write = uda1380_write, + .set_bias_level = uda1380_set_bias_level, + .reg_cache_size = ARRAY_SIZE(uda1380_reg), + .reg_word_size = sizeof(u16), + .reg_cache_default = uda1380_reg, + .reg_cache_step = 1, +}; + #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) static __devinit int uda1380_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { struct uda1380_priv *uda1380; - struct snd_soc_codec *codec; int ret; uda1380 = kzalloc(sizeof(struct uda1380_priv), GFP_KERNEL); if (uda1380 == NULL) return -ENOMEM; - codec = &uda1380->codec; - codec->hw_write = (hw_write_t)i2c_master_send; - i2c_set_clientdata(i2c, uda1380); - codec->control_data = i2c; - - codec->dev = &i2c->dev; - ret = uda1380_register(uda1380); - if (ret != 0) + ret = snd_soc_register_codec(&i2c->dev, + &soc_codec_dev_uda1380, uda1380_dai, ARRAY_SIZE(uda1380_dai)); + if (ret < 0) kfree(uda1380); - return ret; } static int __devexit uda1380_i2c_remove(struct i2c_client *i2c) { - struct uda1380_priv *uda1380 = i2c_get_clientdata(i2c); - uda1380_unregister(uda1380); + snd_soc_unregister_codec(&i2c->dev); + kfree(i2c_get_clientdata(i2c)); return 0; } @@ -884,7 +787,7 @@ MODULE_DEVICE_TABLE(i2c, uda1380_i2c_id); static struct i2c_driver uda1380_i2c_driver = { .driver = { - .name = "UDA1380 I2C Codec", + .name = "uda1380-codec", .owner = THIS_MODULE, }, .probe = uda1380_i2c_probe, |