Merge remote-tracking branch 'asoc/topic/tlv320aic26' into asoc-next
This commit is contained in:
Mark Brown
commit
abdf150ade
2 changed files with 28 additions and 116 deletions
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@ -29,6 +29,7 @@ MODULE_LICENSE("GPL");
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/* AIC26 driver private data */
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struct aic26 {
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struct spi_device *spi;
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struct regmap *regmap;
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struct snd_soc_codec *codec;
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int master;
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int datfm;
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@ -40,85 +41,6 @@ struct aic26 {
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int keyclick_len;
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};
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/* ---------------------------------------------------------------------
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* Register access routines
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*/
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static unsigned int aic26_reg_read(struct snd_soc_codec *codec,
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unsigned int reg)
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{
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struct aic26 *aic26 = snd_soc_codec_get_drvdata(codec);
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u16 *cache = codec->reg_cache;
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u16 cmd, value;
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u8 buffer[2];
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int rc;
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if (reg >= AIC26_NUM_REGS) {
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WARN_ON_ONCE(1);
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return 0;
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}
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/* Do SPI transfer; first 16bits are command; remaining is
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* register contents */
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cmd = AIC26_READ_COMMAND_WORD(reg);
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buffer[0] = (cmd >> 8) & 0xff;
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buffer[1] = cmd & 0xff;
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rc = spi_write_then_read(aic26->spi, buffer, 2, buffer, 2);
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if (rc) {
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dev_err(&aic26->spi->dev, "AIC26 reg read error\n");
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return -EIO;
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}
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value = (buffer[0] << 8) | buffer[1];
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/* Update the cache before returning with the value */
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cache[reg] = value;
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return value;
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}
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static unsigned int aic26_reg_read_cache(struct snd_soc_codec *codec,
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unsigned int reg)
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{
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u16 *cache = codec->reg_cache;
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if (reg >= AIC26_NUM_REGS) {
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WARN_ON_ONCE(1);
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return 0;
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}
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return cache[reg];
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}
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static int aic26_reg_write(struct snd_soc_codec *codec, unsigned int reg,
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unsigned int value)
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{
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struct aic26 *aic26 = snd_soc_codec_get_drvdata(codec);
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u16 *cache = codec->reg_cache;
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u16 cmd;
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u8 buffer[4];
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int rc;
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if (reg >= AIC26_NUM_REGS) {
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WARN_ON_ONCE(1);
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return -EINVAL;
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}
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/* Do SPI transfer; first 16bits are command; remaining is data
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* to write into register */
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cmd = AIC26_WRITE_COMMAND_WORD(reg);
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buffer[0] = (cmd >> 8) & 0xff;
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buffer[1] = cmd & 0xff;
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buffer[2] = value >> 8;
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buffer[3] = value;
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rc = spi_write(aic26->spi, buffer, 4);
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if (rc) {
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dev_err(&aic26->spi->dev, "AIC26 reg read error\n");
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return -EIO;
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}
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/* update cache before returning */
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cache[reg] = value;
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return 0;
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}
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static const struct snd_soc_dapm_widget tlv320aic26_dapm_widgets[] = {
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SND_SOC_DAPM_INPUT("MICIN"),
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SND_SOC_DAPM_INPUT("AUX"),
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@ -195,19 +117,15 @@ static int aic26_hw_params(struct snd_pcm_substream *substream,
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snd_soc_write(codec, AIC26_REG_PLL_PROG2, reg);
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/* Audio Control 3 (master mode, fsref rate) */
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reg = aic26_reg_read_cache(codec, AIC26_REG_AUDIO_CTRL3);
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reg &= ~0xf800;
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if (aic26->master)
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reg |= 0x0800;
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reg = 0x0800;
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if (fsref == 48000)
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reg |= 0x2000;
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snd_soc_write(codec, AIC26_REG_AUDIO_CTRL3, reg);
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reg = 0x2000;
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snd_soc_update_bits(codec, AIC26_REG_AUDIO_CTRL3, 0xf800, reg);
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/* Audio Control 1 (FSref divisor) */
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reg = aic26_reg_read_cache(codec, AIC26_REG_AUDIO_CTRL1);
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reg &= ~0x0fff;
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reg |= wlen | aic26->datfm | (divisor << 3) | divisor;
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snd_soc_write(codec, AIC26_REG_AUDIO_CTRL1, reg);
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reg = wlen | aic26->datfm | (divisor << 3) | divisor;
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snd_soc_update_bits(codec, AIC26_REG_AUDIO_CTRL1, 0xfff, reg);
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return 0;
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}
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@ -219,16 +137,16 @@ static int aic26_mute(struct snd_soc_dai *dai, int mute)
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{
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struct snd_soc_codec *codec = dai->codec;
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struct aic26 *aic26 = snd_soc_codec_get_drvdata(codec);
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u16 reg = aic26_reg_read_cache(codec, AIC26_REG_DAC_GAIN);
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u16 reg;
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dev_dbg(&aic26->spi->dev, "aic26_mute(dai=%p, mute=%i)\n",
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dai, mute);
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if (mute)
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reg |= 0x8080;
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reg = 0x8080;
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else
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reg &= ~0x8080;
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snd_soc_write(codec, AIC26_REG_DAC_GAIN, reg);
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reg = 0;
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snd_soc_update_bits(codec, AIC26_REG_DAC_GAIN, 0x8000, reg);
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return 0;
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}
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@ -346,7 +264,7 @@ static ssize_t aic26_keyclick_show(struct device *dev,
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struct aic26 *aic26 = dev_get_drvdata(dev);
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int val, amp, freq, len;
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val = aic26_reg_read_cache(aic26->codec, AIC26_REG_AUDIO_CTRL2);
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val = snd_soc_read(aic26->codec, AIC26_REG_AUDIO_CTRL2);
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amp = (val >> 12) & 0x7;
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freq = (125 << ((val >> 8) & 0x7)) >> 1;
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len = 2 * (1 + ((val >> 4) & 0xf));
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@ -360,11 +278,9 @@ static ssize_t aic26_keyclick_set(struct device *dev,
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const char *buf, size_t count)
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{
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struct aic26 *aic26 = dev_get_drvdata(dev);
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int val;
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val = aic26_reg_read_cache(aic26->codec, AIC26_REG_AUDIO_CTRL2);
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val |= 0x8000;
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snd_soc_write(aic26->codec, AIC26_REG_AUDIO_CTRL2, val);
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snd_soc_update_bits(aic26->codec, AIC26_REG_AUDIO_CTRL2,
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0x8000, 0x800);
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return count;
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}
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@ -377,7 +293,9 @@ static DEVICE_ATTR(keyclick, 0644, aic26_keyclick_show, aic26_keyclick_set);
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static int aic26_probe(struct snd_soc_codec *codec)
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{
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struct aic26 *aic26 = dev_get_drvdata(codec->dev);
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int ret, err, i, reg;
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int ret, reg;
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snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_REGMAP);
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aic26->codec = codec;
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@ -393,37 +311,30 @@ static int aic26_probe(struct snd_soc_codec *codec)
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reg |= 0x0800; /* set master mode */
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snd_soc_write(codec, AIC26_REG_AUDIO_CTRL3, reg);
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/* Fill register cache */
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for (i = 0; i < codec->driver->reg_cache_size; i++)
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snd_soc_read(codec, i);
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/* Register the sysfs files for debugging */
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/* Create SysFS files */
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ret = device_create_file(codec->dev, &dev_attr_keyclick);
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if (ret)
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dev_info(codec->dev, "error creating sysfs files\n");
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/* register controls */
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dev_dbg(codec->dev, "Registering controls\n");
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err = snd_soc_add_codec_controls(codec, aic26_snd_controls,
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ARRAY_SIZE(aic26_snd_controls));
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WARN_ON(err < 0);
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return 0;
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}
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static struct snd_soc_codec_driver aic26_soc_codec_dev = {
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.probe = aic26_probe,
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.read = aic26_reg_read,
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.write = aic26_reg_write,
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.reg_cache_size = AIC26_NUM_REGS,
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.reg_word_size = sizeof(u16),
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.controls = aic26_snd_controls,
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.num_controls = ARRAY_SIZE(aic26_snd_controls),
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.dapm_widgets = tlv320aic26_dapm_widgets,
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.num_dapm_widgets = ARRAY_SIZE(tlv320aic26_dapm_widgets),
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.dapm_routes = tlv320aic26_dapm_routes,
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.num_dapm_routes = ARRAY_SIZE(tlv320aic26_dapm_routes),
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};
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static const struct regmap_config aic26_regmap = {
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.reg_bits = 16,
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.val_bits = 16,
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};
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/* ---------------------------------------------------------------------
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* SPI device portion of driver: probe and release routines and SPI
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* driver registration.
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@ -440,6 +351,10 @@ static int aic26_spi_probe(struct spi_device *spi)
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if (!aic26)
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return -ENOMEM;
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aic26->regmap = devm_regmap_init_spi(spi, &aic26_regmap);
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if (IS_ERR(aic26->regmap))
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return PTR_ERR(aic26->regmap);
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/* Initialize the driver data */
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aic26->spi = spi;
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dev_set_drvdata(&spi->dev, aic26);
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@ -9,10 +9,7 @@
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#define _TLV320AIC16_H_
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/* AIC26 Registers */
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#define AIC26_READ_COMMAND_WORD(addr) ((1 << 15) | (addr << 5))
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#define AIC26_WRITE_COMMAND_WORD(addr) ((0 << 15) | (addr << 5))
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#define AIC26_PAGE_ADDR(page, offset) ((page << 6) | offset)
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#define AIC26_NUM_REGS AIC26_PAGE_ADDR(3, 0)
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#define AIC26_PAGE_ADDR(page, offset) ((page << 11) | offset << 5)
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/* Page 0: Auxiliary data registers */
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#define AIC26_REG_BAT1 AIC26_PAGE_ADDR(0, 0x05)
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