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Diffstat (limited to 'sound/soc/codecs/tlv320aic26.c')
-rw-r--r--sound/soc/codecs/tlv320aic26.c139
1 files changed, 27 insertions, 112 deletions
diff --git a/sound/soc/codecs/tlv320aic26.c b/sound/soc/codecs/tlv320aic26.c
index 7b8f3d965f43..94a658fa6d97 100644
--- a/sound/soc/codecs/tlv320aic26.c
+++ b/sound/soc/codecs/tlv320aic26.c
@@ -29,6 +29,7 @@ MODULE_LICENSE("GPL");
/* AIC26 driver private data */
struct aic26 {
struct spi_device *spi;
+ struct regmap *regmap;
struct snd_soc_codec *codec;
int master;
int datfm;
@@ -40,85 +41,6 @@ struct aic26 {
int keyclick_len;
};
-/* ---------------------------------------------------------------------
- * Register access routines
- */
-static unsigned int aic26_reg_read(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- struct aic26 *aic26 = snd_soc_codec_get_drvdata(codec);
- u16 *cache = codec->reg_cache;
- u16 cmd, value;
- u8 buffer[2];
- int rc;
-
- if (reg >= AIC26_NUM_REGS) {
- WARN_ON_ONCE(1);
- return 0;
- }
-
- /* Do SPI transfer; first 16bits are command; remaining is
- * register contents */
- cmd = AIC26_READ_COMMAND_WORD(reg);
- buffer[0] = (cmd >> 8) & 0xff;
- buffer[1] = cmd & 0xff;
- rc = spi_write_then_read(aic26->spi, buffer, 2, buffer, 2);
- if (rc) {
- dev_err(&aic26->spi->dev, "AIC26 reg read error\n");
- return -EIO;
- }
- value = (buffer[0] << 8) | buffer[1];
-
- /* Update the cache before returning with the value */
- cache[reg] = value;
- return value;
-}
-
-static unsigned int aic26_reg_read_cache(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- u16 *cache = codec->reg_cache;
-
- if (reg >= AIC26_NUM_REGS) {
- WARN_ON_ONCE(1);
- return 0;
- }
-
- return cache[reg];
-}
-
-static int aic26_reg_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- struct aic26 *aic26 = snd_soc_codec_get_drvdata(codec);
- u16 *cache = codec->reg_cache;
- u16 cmd;
- u8 buffer[4];
- int rc;
-
- if (reg >= AIC26_NUM_REGS) {
- WARN_ON_ONCE(1);
- return -EINVAL;
- }
-
- /* Do SPI transfer; first 16bits are command; remaining is data
- * to write into register */
- cmd = AIC26_WRITE_COMMAND_WORD(reg);
- buffer[0] = (cmd >> 8) & 0xff;
- buffer[1] = cmd & 0xff;
- buffer[2] = value >> 8;
- buffer[3] = value;
- rc = spi_write(aic26->spi, buffer, 4);
- if (rc) {
- dev_err(&aic26->spi->dev, "AIC26 reg read error\n");
- return -EIO;
- }
-
- /* update cache before returning */
- cache[reg] = value;
- return 0;
-}
-
static const struct snd_soc_dapm_widget tlv320aic26_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("MICIN"),
SND_SOC_DAPM_INPUT("AUX"),
@@ -195,19 +117,15 @@ static int aic26_hw_params(struct snd_pcm_substream *substream,
snd_soc_write(codec, AIC26_REG_PLL_PROG2, reg);
/* Audio Control 3 (master mode, fsref rate) */
- reg = aic26_reg_read_cache(codec, AIC26_REG_AUDIO_CTRL3);
- reg &= ~0xf800;
if (aic26->master)
- reg |= 0x0800;
+ reg = 0x0800;
if (fsref == 48000)
- reg |= 0x2000;
- snd_soc_write(codec, AIC26_REG_AUDIO_CTRL3, reg);
+ reg = 0x2000;
+ snd_soc_update_bits(codec, AIC26_REG_AUDIO_CTRL3, 0xf800, reg);
/* Audio Control 1 (FSref divisor) */
- reg = aic26_reg_read_cache(codec, AIC26_REG_AUDIO_CTRL1);
- reg &= ~0x0fff;
- reg |= wlen | aic26->datfm | (divisor << 3) | divisor;
- snd_soc_write(codec, AIC26_REG_AUDIO_CTRL1, reg);
+ reg = wlen | aic26->datfm | (divisor << 3) | divisor;
+ snd_soc_update_bits(codec, AIC26_REG_AUDIO_CTRL1, 0xfff, reg);
return 0;
}
@@ -219,16 +137,16 @@ static int aic26_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
struct aic26 *aic26 = snd_soc_codec_get_drvdata(codec);
- u16 reg = aic26_reg_read_cache(codec, AIC26_REG_DAC_GAIN);
+ u16 reg;
dev_dbg(&aic26->spi->dev, "aic26_mute(dai=%p, mute=%i)\n",
dai, mute);
if (mute)
- reg |= 0x8080;
+ reg = 0x8080;
else
- reg &= ~0x8080;
- snd_soc_write(codec, AIC26_REG_DAC_GAIN, reg);
+ reg = 0;
+ snd_soc_update_bits(codec, AIC26_REG_DAC_GAIN, 0x8000, reg);
return 0;
}
@@ -346,7 +264,7 @@ static ssize_t aic26_keyclick_show(struct device *dev,
struct aic26 *aic26 = dev_get_drvdata(dev);
int val, amp, freq, len;
- val = aic26_reg_read_cache(aic26->codec, AIC26_REG_AUDIO_CTRL2);
+ val = snd_soc_read(aic26->codec, AIC26_REG_AUDIO_CTRL2);
amp = (val >> 12) & 0x7;
freq = (125 << ((val >> 8) & 0x7)) >> 1;
len = 2 * (1 + ((val >> 4) & 0xf));
@@ -360,11 +278,9 @@ static ssize_t aic26_keyclick_set(struct device *dev,
const char *buf, size_t count)
{
struct aic26 *aic26 = dev_get_drvdata(dev);
- int val;
- val = aic26_reg_read_cache(aic26->codec, AIC26_REG_AUDIO_CTRL2);
- val |= 0x8000;
- snd_soc_write(aic26->codec, AIC26_REG_AUDIO_CTRL2, val);
+ snd_soc_update_bits(aic26->codec, AIC26_REG_AUDIO_CTRL2,
+ 0x8000, 0x800);
return count;
}
@@ -377,7 +293,9 @@ static DEVICE_ATTR(keyclick, 0644, aic26_keyclick_show, aic26_keyclick_set);
static int aic26_probe(struct snd_soc_codec *codec)
{
struct aic26 *aic26 = dev_get_drvdata(codec->dev);
- int ret, err, i, reg;
+ int ret, reg;
+
+ snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_REGMAP);
aic26->codec = codec;
@@ -393,37 +311,30 @@ static int aic26_probe(struct snd_soc_codec *codec)
reg |= 0x0800; /* set master mode */
snd_soc_write(codec, AIC26_REG_AUDIO_CTRL3, reg);
- /* Fill register cache */
- for (i = 0; i < codec->driver->reg_cache_size; i++)
- snd_soc_read(codec, i);
-
/* Register the sysfs files for debugging */
/* Create SysFS files */
ret = device_create_file(codec->dev, &dev_attr_keyclick);
if (ret)
dev_info(codec->dev, "error creating sysfs files\n");
- /* register controls */
- dev_dbg(codec->dev, "Registering controls\n");
- err = snd_soc_add_codec_controls(codec, aic26_snd_controls,
- ARRAY_SIZE(aic26_snd_controls));
- WARN_ON(err < 0);
-
return 0;
}
static struct snd_soc_codec_driver aic26_soc_codec_dev = {
.probe = aic26_probe,
- .read = aic26_reg_read,
- .write = aic26_reg_write,
- .reg_cache_size = AIC26_NUM_REGS,
- .reg_word_size = sizeof(u16),
+ .controls = aic26_snd_controls,
+ .num_controls = ARRAY_SIZE(aic26_snd_controls),
.dapm_widgets = tlv320aic26_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(tlv320aic26_dapm_widgets),
.dapm_routes = tlv320aic26_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(tlv320aic26_dapm_routes),
};
+static const struct regmap_config aic26_regmap = {
+ .reg_bits = 16,
+ .val_bits = 16,
+};
+
/* ---------------------------------------------------------------------
* SPI device portion of driver: probe and release routines and SPI
* driver registration.
@@ -440,6 +351,10 @@ static int aic26_spi_probe(struct spi_device *spi)
if (!aic26)
return -ENOMEM;
+ aic26->regmap = devm_regmap_init_spi(spi, &aic26_regmap);
+ if (IS_ERR(aic26->regmap))
+ return PTR_ERR(aic26->regmap);
+
/* Initialize the driver data */
aic26->spi = spi;
dev_set_drvdata(&spi->dev, aic26);
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-01 21:29:23 +0000