diff options
Diffstat (limited to 'sound/soc/codecs/ad1836.c')
| -rw-r--r-- | sound/soc/codecs/ad1836.c | 76 |
1 files changed, 53 insertions, 23 deletions
diff --git a/sound/soc/codecs/ad1836.c b/sound/soc/codecs/ad1836.c index ae1eb51bc9da..dce6ebeef452 100644 --- a/sound/soc/codecs/ad1836.c +++ b/sound/soc/codecs/ad1836.c @@ -19,6 +19,8 @@ #include <sound/soc.h> #include <sound/tlv.h> #include <linux/spi/spi.h> +#include <linux/regmap.h> + #include "ad1836.h" enum ad1836_type { @@ -30,6 +32,7 @@ enum ad1836_type { /* codec private data */ struct ad1836_priv { enum ad1836_type type; + struct regmap *regmap; }; /* @@ -161,8 +164,8 @@ static int ad1836_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { + struct ad1836_priv *ad1836 = snd_soc_codec_get_drvdata(dai->codec); int word_len = 0; - struct snd_soc_codec *codec = dai->codec; /* bit size */ switch (params_format(params)) { @@ -178,10 +181,12 @@ static int ad1836_hw_params(struct snd_pcm_substream *substream, break; } - snd_soc_update_bits(codec, AD1836_DAC_CTRL1, AD1836_DAC_WORD_LEN_MASK, + regmap_update_bits(ad1836->regmap, AD1836_DAC_CTRL1, + AD1836_DAC_WORD_LEN_MASK, word_len << AD1836_DAC_WORD_LEN_OFFSET); - snd_soc_update_bits(codec, AD1836_ADC_CTRL2, AD1836_ADC_WORD_LEN_MASK, + regmap_update_bits(ad1836->regmap, AD1836_ADC_CTRL2, + AD1836_ADC_WORD_LEN_MASK, word_len << AD1836_ADC_WORD_OFFSET); return 0; @@ -223,15 +228,17 @@ static struct snd_soc_dai_driver ad183x_dais[] = { #ifdef CONFIG_PM static int ad1836_suspend(struct snd_soc_codec *codec) { + struct ad1836_priv *ad1836 = snd_soc_codec_get_drvdata(codec); /* reset clock control mode */ - return snd_soc_update_bits(codec, AD1836_ADC_CTRL2, + return regmap_update_bits(ad1836->regmap, AD1836_ADC_CTRL2, AD1836_ADC_SERFMT_MASK, 0); } static int ad1836_resume(struct snd_soc_codec *codec) { + struct ad1836_priv *ad1836 = snd_soc_codec_get_drvdata(codec); /* restore clock control mode */ - return snd_soc_update_bits(codec, AD1836_ADC_CTRL2, + return regmap_update_bits(ad1836->regmap, AD1836_ADC_CTRL2, AD1836_ADC_SERFMT_MASK, AD1836_ADC_AUX); } #else @@ -250,37 +257,30 @@ static int ad1836_probe(struct snd_soc_codec *codec) num_dacs = ad183x_dais[ad1836->type].playback.channels_max / 2; num_adcs = ad183x_dais[ad1836->type].capture.channels_max / 2; - ret = snd_soc_codec_set_cache_io(codec, 4, 12, SND_SOC_SPI); - if (ret < 0) { - dev_err(codec->dev, "failed to set cache I/O: %d\n", - ret); - return ret; - } - /* default setting for ad1836 */ /* de-emphasis: 48kHz, power-on dac */ - snd_soc_write(codec, AD1836_DAC_CTRL1, 0x300); + regmap_write(ad1836->regmap, AD1836_DAC_CTRL1, 0x300); /* unmute dac channels */ - snd_soc_write(codec, AD1836_DAC_CTRL2, 0x0); + regmap_write(ad1836->regmap, AD1836_DAC_CTRL2, 0x0); /* high-pass filter enable, power-on adc */ - snd_soc_write(codec, AD1836_ADC_CTRL1, 0x100); + regmap_write(ad1836->regmap, AD1836_ADC_CTRL1, 0x100); /* unmute adc channles, adc aux mode */ - snd_soc_write(codec, AD1836_ADC_CTRL2, 0x180); + regmap_write(ad1836->regmap, AD1836_ADC_CTRL2, 0x180); /* volume */ for (i = 1; i <= num_dacs; ++i) { - snd_soc_write(codec, AD1836_DAC_L_VOL(i), 0x3FF); - snd_soc_write(codec, AD1836_DAC_R_VOL(i), 0x3FF); + regmap_write(ad1836->regmap, AD1836_DAC_L_VOL(i), 0x3FF); + regmap_write(ad1836->regmap, AD1836_DAC_R_VOL(i), 0x3FF); } if (ad1836->type == AD1836) { /* left/right diff:PGA/MUX */ - snd_soc_write(codec, AD1836_ADC_CTRL3, 0x3A); + regmap_write(ad1836->regmap, AD1836_ADC_CTRL3, 0x3A); ret = snd_soc_add_codec_controls(codec, ad1836_controls, ARRAY_SIZE(ad1836_controls)); if (ret) return ret; } else { - snd_soc_write(codec, AD1836_ADC_CTRL3, 0x00); + regmap_write(ad1836->regmap, AD1836_ADC_CTRL3, 0x00); } ret = snd_soc_add_codec_controls(codec, ad183x_dac_controls, num_dacs * 2); @@ -313,8 +313,9 @@ static int ad1836_probe(struct snd_soc_codec *codec) /* power down chip */ static int ad1836_remove(struct snd_soc_codec *codec) { + struct ad1836_priv *ad1836 = snd_soc_codec_get_drvdata(codec); /* reset clock control mode */ - return snd_soc_update_bits(codec, AD1836_ADC_CTRL2, + return regmap_update_bits(ad1836->regmap, AD1836_ADC_CTRL2, AD1836_ADC_SERFMT_MASK, 0); } @@ -323,8 +324,6 @@ static struct snd_soc_codec_driver soc_codec_dev_ad1836 = { .remove = ad1836_remove, .suspend = ad1836_suspend, .resume = ad1836_resume, - .reg_cache_size = AD1836_NUM_REGS, - .reg_word_size = sizeof(u16), .controls = ad183x_controls, .num_controls = ARRAY_SIZE(ad183x_controls), @@ -334,6 +333,33 @@ static struct snd_soc_codec_driver soc_codec_dev_ad1836 = { .num_dapm_routes = ARRAY_SIZE(ad183x_dapm_routes), }; +static const struct reg_default ad1836_reg_defaults[] = { + { AD1836_DAC_CTRL1, 0x0000 }, + { AD1836_DAC_CTRL2, 0x0000 }, + { AD1836_DAC_L_VOL(0), 0x0000 }, + { AD1836_DAC_R_VOL(0), 0x0000 }, + { AD1836_DAC_L_VOL(1), 0x0000 }, + { AD1836_DAC_R_VOL(1), 0x0000 }, + { AD1836_DAC_L_VOL(2), 0x0000 }, + { AD1836_DAC_R_VOL(2), 0x0000 }, + { AD1836_DAC_L_VOL(3), 0x0000 }, + { AD1836_DAC_R_VOL(3), 0x0000 }, + { AD1836_ADC_CTRL1, 0x0000 }, + { AD1836_ADC_CTRL2, 0x0000 }, + { AD1836_ADC_CTRL3, 0x0000 }, +}; + +static const struct regmap_config ad1836_regmap_config = { + .val_bits = 12, + .reg_bits = 4, + .read_flag_mask = 0x08, + + .max_register = AD1836_ADC_CTRL3, + .reg_defaults = ad1836_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(ad1836_reg_defaults), + .cache_type = REGCACHE_RBTREE, +}; + static int __devinit ad1836_spi_probe(struct spi_device *spi) { struct ad1836_priv *ad1836; @@ -344,6 +370,10 @@ static int __devinit ad1836_spi_probe(struct spi_device *spi) if (ad1836 == NULL) return -ENOMEM; + ad1836->regmap = devm_regmap_init_spi(spi, &ad1836_regmap_config); + if (IS_ERR(ad1836->regmap)) + return PTR_ERR(ad1836->regmap); + ad1836->type = spi_get_device_id(spi)->driver_data; spi_set_drvdata(spi, ad1836); |