diff options
Diffstat (limited to 'sound/soc/codecs/stac9766.c')
| -rw-r--r-- | sound/soc/codecs/stac9766.c | 162 |
1 files changed, 72 insertions, 90 deletions
diff --git a/sound/soc/codecs/stac9766.c b/sound/soc/codecs/stac9766.c index 27f30d3..9de7fe8 100644 --- a/sound/soc/codecs/stac9766.c +++ b/sound/soc/codecs/stac9766.c @@ -18,6 +18,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/device.h> +#include <linux/regmap.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/ac97_codec.h> @@ -26,31 +27,56 @@ #include <sound/soc.h> #include <sound/tlv.h> -#include "stac9766.h" - #define STAC9766_VENDOR_ID 0x83847666 #define STAC9766_VENDOR_ID_MASK 0xffffffff -/* - * STAC9766 register cache - */ -static const u16 stac9766_reg[] = { - 0x6A90, 0x8000, 0x8000, 0x8000, /* 6 */ - 0x0000, 0x0000, 0x8008, 0x8008, /* e */ - 0x8808, 0x8808, 0x8808, 0x8808, /* 16 */ - 0x8808, 0x0000, 0x8000, 0x0000, /* 1e */ - 0x0000, 0x0000, 0x0000, 0x000f, /* 26 */ - 0x0a05, 0x0400, 0xbb80, 0x0000, /* 2e */ - 0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */ - 0x0000, 0x2000, 0x0000, 0x0100, /* 3e */ - 0x0000, 0x0000, 0x0080, 0x0000, /* 46 */ - 0x0000, 0x0000, 0x0003, 0xffff, /* 4e */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 56 */ - 0x4000, 0x0000, 0x0000, 0x0000, /* 5e */ - 0x1201, 0xFFFF, 0xFFFF, 0x0000, /* 66 */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 6e */ - 0x0000, 0x0000, 0x0000, 0x0006, /* 76 */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 7e */ +#define AC97_STAC_DA_CONTROL 0x6A +#define AC97_STAC_ANALOG_SPECIAL 0x6E +#define AC97_STAC_STEREO_MIC 0x78 + +static const struct reg_default stac9766_reg_defaults[] = { + { 0x02, 0x8000 }, + { 0x04, 0x8000 }, + { 0x06, 0x8000 }, + { 0x0a, 0x0000 }, + { 0x0c, 0x8008 }, + { 0x0e, 0x8008 }, + { 0x10, 0x8808 }, + { 0x12, 0x8808 }, + { 0x14, 0x8808 }, + { 0x16, 0x8808 }, + { 0x18, 0x8808 }, + { 0x1a, 0x0000 }, + { 0x1c, 0x8000 }, + { 0x20, 0x0000 }, + { 0x22, 0x0000 }, + { 0x28, 0x0a05 }, + { 0x2c, 0xbb80 }, + { 0x32, 0xbb80 }, + { 0x3a, 0x2000 }, + { 0x3e, 0x0100 }, + { 0x4c, 0x0300 }, + { 0x4e, 0xffff }, + { 0x50, 0x0000 }, + { 0x52, 0x0000 }, + { 0x54, 0x0000 }, + { 0x6a, 0x0000 }, + { 0x6e, 0x1000 }, + { 0x72, 0x0000 }, + { 0x78, 0x0000 }, +}; + +static const struct regmap_config stac9766_regmap_config = { + .reg_bits = 16, + .reg_stride = 2, + .val_bits = 16, + .max_register = 0x78, + .cache_type = REGCACHE_RBTREE, + + .volatile_reg = regmap_ac97_default_volatile, + + .reg_defaults = stac9766_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(stac9766_reg_defaults), }; static const char *stac9766_record_mux[] = {"Mic", "CD", "Video", "AUX", @@ -139,71 +165,22 @@ static const struct snd_kcontrol_new stac9766_snd_ac97_controls[] = { SOC_ENUM("Pop Bypass Mux", stac9766_popbypass_enum), }; -static int stac9766_ac97_write(struct snd_soc_codec *codec, unsigned int reg, - unsigned int val) -{ - struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); - u16 *cache = codec->reg_cache; - - if (reg > AC97_STAC_PAGE0) { - stac9766_ac97_write(codec, AC97_INT_PAGING, 0); - soc_ac97_ops->write(ac97, reg, val); - stac9766_ac97_write(codec, AC97_INT_PAGING, 1); - return 0; - } - if (reg / 2 >= ARRAY_SIZE(stac9766_reg)) - return -EIO; - - soc_ac97_ops->write(ac97, reg, val); - cache[reg / 2] = val; - return 0; -} - -static unsigned int stac9766_ac97_read(struct snd_soc_codec *codec, - unsigned int reg) -{ - struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); - u16 val = 0, *cache = codec->reg_cache; - - if (reg > AC97_STAC_PAGE0) { - stac9766_ac97_write(codec, AC97_INT_PAGING, 0); - val = soc_ac97_ops->read(ac97, reg - AC97_STAC_PAGE0); - stac9766_ac97_write(codec, AC97_INT_PAGING, 1); - return val; - } - if (reg / 2 >= ARRAY_SIZE(stac9766_reg)) - return -EIO; - - if (reg == AC97_RESET || reg == AC97_GPIO_STATUS || - reg == AC97_INT_PAGING || reg == AC97_VENDOR_ID1 || - reg == AC97_VENDOR_ID2) { - - val = soc_ac97_ops->read(ac97, reg); - return val; - } - return cache[reg / 2]; -} - static int ac97_analog_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_codec *codec = dai->codec; struct snd_pcm_runtime *runtime = substream->runtime; - unsigned short reg, vra; - - vra = stac9766_ac97_read(codec, AC97_EXTENDED_STATUS); + unsigned short reg; - vra |= 0x1; /* enable variable rate audio */ - vra &= ~0x4; /* disable SPDIF output */ - - stac9766_ac97_write(codec, AC97_EXTENDED_STATUS, vra); + /* enable variable rate audio, disable SPDIF output */ + snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x5, 0x1); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) reg = AC97_PCM_FRONT_DAC_RATE; else reg = AC97_PCM_LR_ADC_RATE; - return stac9766_ac97_write(codec, reg, runtime->rate); + return snd_soc_write(codec, reg, runtime->rate); } static int ac97_digital_prepare(struct snd_pcm_substream *substream, @@ -211,18 +188,16 @@ static int ac97_digital_prepare(struct snd_pcm_substream *substream, { struct snd_soc_codec *codec = dai->codec; struct snd_pcm_runtime *runtime = substream->runtime; - unsigned short reg, vra; - - stac9766_ac97_write(codec, AC97_SPDIF, 0x2002); + unsigned short reg; - vra = stac9766_ac97_read(codec, AC97_EXTENDED_STATUS); - vra |= 0x5; /* Enable VRA and SPDIF out */ + snd_soc_write(codec, AC97_SPDIF, 0x2002); - stac9766_ac97_write(codec, AC97_EXTENDED_STATUS, vra); + /* Enable VRA and SPDIF out */ + snd_soc_update_bits(codec, AC97_EXTENDED_STATUS, 0x5, 0x5); reg = AC97_PCM_FRONT_DAC_RATE; - return stac9766_ac97_write(codec, reg, runtime->rate); + return snd_soc_write(codec, reg, runtime->rate); } static int stac9766_set_bias_level(struct snd_soc_codec *codec, @@ -232,11 +207,11 @@ static int stac9766_set_bias_level(struct snd_soc_codec *codec, case SND_SOC_BIAS_ON: /* full On */ case SND_SOC_BIAS_PREPARE: /* partial On */ case SND_SOC_BIAS_STANDBY: /* Off, with power */ - stac9766_ac97_write(codec, AC97_POWERDOWN, 0x0000); + snd_soc_write(codec, AC97_POWERDOWN, 0x0000); break; case SND_SOC_BIAS_OFF: /* Off, without power */ /* disable everything including AC link */ - stac9766_ac97_write(codec, AC97_POWERDOWN, 0xffff); + snd_soc_write(codec, AC97_POWERDOWN, 0xffff); break; } return 0; @@ -300,21 +275,34 @@ static struct snd_soc_dai_driver stac9766_dai[] = { static int stac9766_codec_probe(struct snd_soc_codec *codec) { struct snd_ac97 *ac97; + struct regmap *regmap; + int ret; ac97 = snd_soc_new_ac97_codec(codec, STAC9766_VENDOR_ID, STAC9766_VENDOR_ID_MASK); if (IS_ERR(ac97)) return PTR_ERR(ac97); + regmap = regmap_init_ac97(ac97, &stac9766_regmap_config); + if (IS_ERR(regmap)) { + ret = PTR_ERR(regmap); + goto err_free_ac97; + } + + snd_soc_codec_init_regmap(codec, regmap); snd_soc_codec_set_drvdata(codec, ac97); return 0; +err_free_ac97: + snd_soc_free_ac97_codec(ac97); + return ret; } static int stac9766_codec_remove(struct snd_soc_codec *codec) { struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); + snd_soc_codec_exit_regmap(codec); snd_soc_free_ac97_codec(ac97); return 0; } @@ -324,17 +312,11 @@ static struct snd_soc_codec_driver soc_codec_dev_stac9766 = { .controls = stac9766_snd_ac97_controls, .num_controls = ARRAY_SIZE(stac9766_snd_ac97_controls), }, - .write = stac9766_ac97_write, - .read = stac9766_ac97_read, .set_bias_level = stac9766_set_bias_level, .suspend_bias_off = true, .probe = stac9766_codec_probe, .remove = stac9766_codec_remove, .resume = stac9766_codec_resume, - .reg_cache_size = ARRAY_SIZE(stac9766_reg), - .reg_word_size = sizeof(u16), - .reg_cache_step = 2, - .reg_cache_default = stac9766_reg, }; static int stac9766_probe(struct platform_device *pdev) |
