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https://github.com/edk2-porting/linux-next.git
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ASoC: Convert WM8753 to direct regmap API usage
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown
parent
bfea3abb80
commit
d3398ff059
@ -39,6 +39,7 @@
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#include <linux/pm.h>
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#include <linux/i2c.h>
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#include <linux/of_device.h>
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#include <linux/regmap.h>
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#include <linux/spi/spi.h>
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#include <linux/slab.h>
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#include <sound/core.h>
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@ -65,28 +66,86 @@ static int wm8753_voice_write_dai_fmt(struct snd_soc_codec *codec,
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* We can't read the WM8753 register space when we
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* are using 2 wire for device control, so we cache them instead.
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*/
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static const u16 wm8753_reg[] = {
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0x0000, 0x0008, 0x0000, 0x000a,
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0x000a, 0x0033, 0x0000, 0x0007,
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0x00ff, 0x00ff, 0x000f, 0x000f,
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0x007b, 0x0000, 0x0032, 0x0000,
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0x00c3, 0x00c3, 0x00c0, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000,
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0x0055, 0x0005, 0x0050, 0x0055,
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0x0050, 0x0055, 0x0050, 0x0055,
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0x0079, 0x0079, 0x0079, 0x0079,
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0x0079, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0097, 0x0097, 0x0000,
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0x0004, 0x0000, 0x0083, 0x0024,
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0x01ba, 0x0000, 0x0083, 0x0024,
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0x01ba, 0x0000, 0x0000, 0x0000
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static const struct reg_default wm8753_reg_defaults[] = {
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{ 0x00, 0x0000 },
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{ 0x01, 0x0008 },
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{ 0x02, 0x0000 },
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{ 0x03, 0x000a },
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{ 0x04, 0x000a },
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{ 0x05, 0x0033 },
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{ 0x06, 0x0000 },
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{ 0x07, 0x0007 },
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{ 0x08, 0x00ff },
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{ 0x09, 0x00ff },
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{ 0x0a, 0x000f },
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{ 0x0b, 0x000f },
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{ 0x0c, 0x007b },
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{ 0x0d, 0x0000 },
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{ 0x0e, 0x0032 },
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{ 0x0f, 0x0000 },
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{ 0x10, 0x00c3 },
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{ 0x11, 0x00c3 },
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{ 0x12, 0x00c0 },
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{ 0x13, 0x0000 },
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{ 0x14, 0x0000 },
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{ 0x15, 0x0000 },
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{ 0x16, 0x0000 },
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{ 0x17, 0x0000 },
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{ 0x18, 0x0000 },
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{ 0x19, 0x0000 },
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{ 0x1a, 0x0000 },
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{ 0x1b, 0x0000 },
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{ 0x1c, 0x0000 },
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{ 0x1d, 0x0000 },
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{ 0x1e, 0x0000 },
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{ 0x1f, 0x0000 },
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{ 0x20, 0x0055 },
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{ 0x21, 0x0005 },
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{ 0x22, 0x0050 },
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{ 0x23, 0x0055 },
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{ 0x24, 0x0050 },
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{ 0x25, 0x0055 },
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{ 0x26, 0x0050 },
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{ 0x27, 0x0055 },
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{ 0x28, 0x0079 },
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{ 0x29, 0x0079 },
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{ 0x2a, 0x0079 },
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{ 0x2b, 0x0079 },
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{ 0x2c, 0x0079 },
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{ 0x2d, 0x0000 },
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{ 0x2e, 0x0000 },
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{ 0x2f, 0x0000 },
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{ 0x30, 0x0000 },
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{ 0x31, 0x0097 },
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{ 0x32, 0x0097 },
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{ 0x33, 0x0000 },
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{ 0x34, 0x0004 },
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{ 0x35, 0x0000 },
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{ 0x36, 0x0083 },
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{ 0x37, 0x0024 },
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{ 0x38, 0x01ba },
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{ 0x39, 0x0000 },
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{ 0x3a, 0x0083 },
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{ 0x3b, 0x0024 },
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{ 0x3c, 0x01ba },
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{ 0x3d, 0x0000 },
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{ 0x3e, 0x0000 },
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{ 0x3f, 0x0000 },
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};
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static bool wm8753_volatile(struct device *dev, unsigned int reg)
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{
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return reg == WM8753_RESET;
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}
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static bool wm8753_writeable(struct device *dev, unsigned int reg)
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{
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return reg <= WM8753_ADCTL2;
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}
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/* codec private data */
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struct wm8753_priv {
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enum snd_soc_control_type control_type;
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struct regmap *regmap;
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unsigned int sysclk;
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unsigned int pcmclk;
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@ -1383,25 +1442,15 @@ static void wm8753_work(struct work_struct *work)
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static int wm8753_suspend(struct snd_soc_codec *codec)
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{
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wm8753_set_bias_level(codec, SND_SOC_BIAS_OFF);
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codec->cache_sync = 1;
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return 0;
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}
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static int wm8753_resume(struct snd_soc_codec *codec)
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{
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u16 *reg_cache = codec->reg_cache;
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int i;
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struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
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/* Sync reg_cache with the hardware */
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for (i = 1; i < ARRAY_SIZE(wm8753_reg); i++) {
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if (i == WM8753_RESET)
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continue;
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/* No point in writing hardware default values back */
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if (reg_cache[i] == wm8753_reg[i])
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continue;
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snd_soc_write(codec, i, reg_cache[i]);
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}
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regcache_sync(wm8753->regmap);
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wm8753_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
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@ -1423,7 +1472,8 @@ static int wm8753_probe(struct snd_soc_codec *codec)
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INIT_DELAYED_WORK(&codec->dapm.delayed_work, wm8753_work);
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ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8753->control_type);
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codec->control_data = wm8753->regmap;
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ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP);
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if (ret < 0) {
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dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
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return ret;
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@ -1473,9 +1523,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8753 = {
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.suspend = wm8753_suspend,
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.resume = wm8753_resume,
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.set_bias_level = wm8753_set_bias_level,
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.reg_cache_size = ARRAY_SIZE(wm8753_reg),
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.reg_word_size = sizeof(u16),
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.reg_cache_default = wm8753_reg,
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.controls = wm8753_snd_controls,
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.num_controls = ARRAY_SIZE(wm8753_snd_controls),
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@ -1491,6 +1538,19 @@ static const struct of_device_id wm8753_of_match[] = {
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};
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MODULE_DEVICE_TABLE(of, wm8753_of_match);
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static const struct regmap_config wm8753_regmap = {
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.reg_bits = 7,
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.val_bits = 9,
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.max_register = WM8753_ADCTL2,
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.writeable_reg = wm8753_writeable,
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.volatile_reg = wm8753_volatile,
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.cache_type = REGCACHE_RBTREE,
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.reg_defaults = wm8753_reg_defaults,
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.num_reg_defaults = ARRAY_SIZE(wm8753_reg_defaults),
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};
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#if defined(CONFIG_SPI_MASTER)
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static int __devinit wm8753_spi_probe(struct spi_device *spi)
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{
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@ -1501,20 +1561,36 @@ static int __devinit wm8753_spi_probe(struct spi_device *spi)
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if (wm8753 == NULL)
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return -ENOMEM;
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wm8753->control_type = SND_SOC_SPI;
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spi_set_drvdata(spi, wm8753);
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ret = snd_soc_register_codec(&spi->dev,
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&soc_codec_dev_wm8753, wm8753_dai, ARRAY_SIZE(wm8753_dai));
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if (ret < 0)
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kfree(wm8753);
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wm8753->regmap = regmap_init_spi(spi, &wm8753_regmap);
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if (IS_ERR(wm8753->regmap)) {
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ret = PTR_ERR(wm8753->regmap);
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dev_err(&spi->dev, "Failed to allocate register map: %d\n",
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ret);
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goto err;
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}
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ret = snd_soc_register_codec(&spi->dev, &soc_codec_dev_wm8753,
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wm8753_dai, ARRAY_SIZE(wm8753_dai));
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if (ret != 0) {
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dev_err(&spi->dev, "Failed to register CODEC: %d\n", ret);
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goto err_regmap;
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}
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err_regmap:
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regmap_exit(wm8753->regmap);
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err:
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kfree(wm8753);
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return ret;
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}
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static int __devexit wm8753_spi_remove(struct spi_device *spi)
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{
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struct wm8753_priv *wm8753 = spi_get_drvdata(spi);
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snd_soc_unregister_codec(&spi->dev);
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kfree(spi_get_drvdata(spi));
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regmap_exit(wm8753->regmap);
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kfree(wm8753);
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return 0;
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}
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@ -1541,19 +1617,35 @@ static __devinit int wm8753_i2c_probe(struct i2c_client *i2c,
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return -ENOMEM;
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i2c_set_clientdata(i2c, wm8753);
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wm8753->control_type = SND_SOC_I2C;
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ret = snd_soc_register_codec(&i2c->dev,
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&soc_codec_dev_wm8753, wm8753_dai, ARRAY_SIZE(wm8753_dai));
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if (ret < 0)
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kfree(wm8753);
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wm8753->regmap = regmap_init_i2c(i2c, &wm8753_regmap);
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if (IS_ERR(wm8753->regmap)) {
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ret = PTR_ERR(wm8753->regmap);
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dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
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ret);
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goto err;
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}
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ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm8753,
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wm8753_dai, ARRAY_SIZE(wm8753_dai));
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if (ret != 0) {
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dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
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goto err_regmap;
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}
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err_regmap:
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regmap_exit(wm8753->regmap);
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err:
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kfree(wm8753);
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return ret;
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}
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static __devexit int wm8753_i2c_remove(struct i2c_client *client)
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{
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struct wm8753_priv *wm8753 = i2c_get_clientdata(client);
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snd_soc_unregister_codec(&client->dev);
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kfree(i2c_get_clientdata(client));
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regmap_exit(wm8753->regmap);
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kfree(wm8753);
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return 0;
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}
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