diff options
Diffstat (limited to 'sound/soc/codecs/ad193x.c')
| -rw-r--r-- | sound/soc/codecs/ad193x.c | 103 |
1 files changed, 69 insertions, 34 deletions
diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c index 2374ca5ffe68..120602130b5c 100644 --- a/sound/soc/codecs/ad193x.c +++ b/sound/soc/codecs/ad193x.c @@ -23,15 +23,10 @@ /* codec private data */ struct ad193x_priv { - enum snd_soc_control_type control_type; + struct regmap *regmap; int sysclk; }; -/* ad193x register cache & default register settings */ -static const u8 ad193x_reg[AD193X_NUM_REGS] = { - 0, 0, 0, 0, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, -}; - /* * AD193X volume/mute/de-emphasis etc. controls */ @@ -108,12 +103,14 @@ static const struct snd_soc_dapm_route audio_paths[] = { static int ad193x_mute(struct snd_soc_dai *dai, int mute) { struct snd_soc_codec *codec = dai->codec; - int reg; - reg = snd_soc_read(codec, AD193X_DAC_CTRL2); - reg = (mute > 0) ? reg | AD193X_DAC_MASTER_MUTE : reg & - (~AD193X_DAC_MASTER_MUTE); - snd_soc_write(codec, AD193X_DAC_CTRL2, reg); + if (mute) + snd_soc_update_bits(codec, AD193X_DAC_CTRL2, + AD193X_DAC_MASTER_MUTE, + AD193X_DAC_MASTER_MUTE); + else + snd_soc_update_bits(codec, AD193X_DAC_CTRL2, + AD193X_DAC_MASTER_MUTE, 0); return 0; } @@ -267,7 +264,7 @@ static int ad193x_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { - int word_len = 0, reg = 0, master_rate = 0; + int word_len = 0, master_rate = 0; struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_codec *codec = rtd->codec; @@ -302,17 +299,15 @@ static int ad193x_hw_params(struct snd_pcm_substream *substream, break; } - reg = snd_soc_read(codec, AD193X_PLL_CLK_CTRL0); - reg = (reg & AD193X_PLL_INPUT_MASK) | master_rate; - snd_soc_write(codec, AD193X_PLL_CLK_CTRL0, reg); + snd_soc_update_bits(codec, AD193X_PLL_CLK_CTRL0, + AD193X_PLL_INPUT_MASK, master_rate); - reg = snd_soc_read(codec, AD193X_DAC_CTRL2); - reg = (reg & (~AD193X_DAC_WORD_LEN_MASK)) | word_len; - snd_soc_write(codec, AD193X_DAC_CTRL2, reg); + snd_soc_update_bits(codec, AD193X_DAC_CTRL2, + AD193X_DAC_WORD_LEN_MASK, + word_len << AD193X_DAC_WORD_LEN_SHFT); - reg = snd_soc_read(codec, AD193X_ADC_CTRL1); - reg = (reg & (~AD193X_ADC_WORD_LEN_MASK)) | word_len; - snd_soc_write(codec, AD193X_ADC_CTRL1, reg); + snd_soc_update_bits(codec, AD193X_ADC_CTRL1, + AD193X_ADC_WORD_LEN_MASK, word_len); return 0; } @@ -353,10 +348,8 @@ static int ad193x_probe(struct snd_soc_codec *codec) struct snd_soc_dapm_context *dapm = &codec->dapm; int ret; - if (ad193x->control_type == SND_SOC_I2C) - ret = snd_soc_codec_set_cache_io(codec, 8, 8, ad193x->control_type); - else - ret = snd_soc_codec_set_cache_io(codec, 16, 8, ad193x->control_type); + codec->control_data = ad193x->regmap; + ret = snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP); if (ret < 0) { dev_err(codec->dev, "failed to set cache I/O: %d\n", ret); return ret; @@ -389,12 +382,17 @@ static int ad193x_probe(struct snd_soc_codec *codec) static struct snd_soc_codec_driver soc_codec_dev_ad193x = { .probe = ad193x_probe, - .reg_cache_default = ad193x_reg, - .reg_cache_size = AD193X_NUM_REGS, - .reg_word_size = sizeof(u16), }; #if defined(CONFIG_SPI_MASTER) + +static const struct regmap_config ad193x_spi_regmap_config = { + .val_bits = 8, + .reg_bits = 16, + .read_flag_mask = 0x09, + .write_flag_mask = 0x08, +}; + static int __devinit ad193x_spi_probe(struct spi_device *spi) { struct ad193x_priv *ad193x; @@ -404,20 +402,36 @@ static int __devinit ad193x_spi_probe(struct spi_device *spi) if (ad193x == NULL) return -ENOMEM; + ad193x->regmap = regmap_init_spi(spi, &ad193x_spi_regmap_config); + if (IS_ERR(ad193x->regmap)) { + ret = PTR_ERR(ad193x->regmap); + goto err_free; + } + spi_set_drvdata(spi, ad193x); - ad193x->control_type = SND_SOC_SPI; ret = snd_soc_register_codec(&spi->dev, &soc_codec_dev_ad193x, &ad193x_dai, 1); if (ret < 0) - kfree(ad193x); + goto err_regmap_exit; + + return 0; + +err_regmap_exit: + regmap_exit(ad193x->regmap); +err_free: + kfree(ad193x); + return ret; } static int __devexit ad193x_spi_remove(struct spi_device *spi) { + struct ad193x_priv *ad193x = spi_get_drvdata(spi); + snd_soc_unregister_codec(&spi->dev); - kfree(spi_get_drvdata(spi)); + regmap_exit(ad193x->regmap); + kfree(ad193x); return 0; } @@ -432,6 +446,12 @@ static struct spi_driver ad193x_spi_driver = { #endif #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + +static const struct regmap_config ad193x_i2c_regmap_config = { + .val_bits = 8, + .reg_bits = 8, +}; + static const struct i2c_device_id ad193x_id[] = { { "ad1936", 0 }, { "ad1937", 0 }, @@ -449,20 +469,35 @@ static int __devinit ad193x_i2c_probe(struct i2c_client *client, if (ad193x == NULL) return -ENOMEM; + ad193x->regmap = regmap_init_i2c(client, &ad193x_i2c_regmap_config); + if (IS_ERR(ad193x->regmap)) { + ret = PTR_ERR(ad193x->regmap); + goto err_free; + } + i2c_set_clientdata(client, ad193x); - ad193x->control_type = SND_SOC_I2C; ret = snd_soc_register_codec(&client->dev, &soc_codec_dev_ad193x, &ad193x_dai, 1); if (ret < 0) - kfree(ad193x); + goto err_regmap_exit; + + return 0; + +err_regmap_exit: + regmap_exit(ad193x->regmap); +err_free: + kfree(ad193x); return ret; } static int __devexit ad193x_i2c_remove(struct i2c_client *client) { + struct ad193x_priv *ad193x = i2c_get_clientdata(client); + snd_soc_unregister_codec(&client->dev); - kfree(i2c_get_clientdata(client)); + regmap_exit(ad193x->regmap); + kfree(ad193x); return 0; } |