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ASoC: wm8988: Convert to direct regmap API usage 

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-02-12 18:21:57 +00:00
parent 2dbc34d827
commit d2dc0a7782
1 changed files with 120 additions and 20 deletions
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140
sound/soc/codecs/wm8988.c
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@ -33,24 +33,89 @@
* We can't read the WM8988 register space when we
* are using 2 wire for device control, so we cache them instead.
*/
static const u16 wm8988_reg[] = {
0x0097, 0x0097, 0x0079, 0x0079, /* 0 */
0x0000, 0x0008, 0x0000, 0x000a, /* 4 */
0x0000, 0x0000, 0x00ff, 0x00ff, /* 8 */
0x000f, 0x000f, 0x0000, 0x0000, /* 12 */
0x0000, 0x007b, 0x0000, 0x0032, /* 16 */
0x0000, 0x00c3, 0x00c3, 0x00c0, /* 20 */
0x0000, 0x0000, 0x0000, 0x0000, /* 24 */
0x0000, 0x0000, 0x0000, 0x0000, /* 28 */
0x0000, 0x0000, 0x0050, 0x0050, /* 32 */
0x0050, 0x0050, 0x0050, 0x0050, /* 36 */
0x0079, 0x0079, 0x0079, /* 40 */
static const struct reg_default wm8988_reg_defaults[] = {
{ 0, 0x0097 },
{ 1, 0x0097 },
{ 2, 0x0079 },
{ 3, 0x0079 },
{ 5, 0x0008 },
{ 7, 0x000a },
{ 8, 0x0000 },
{ 10, 0x00ff },
{ 11, 0x00ff },
{ 12, 0x000f },
{ 13, 0x000f },
{ 16, 0x0000 },
{ 17, 0x007b },
{ 18, 0x0000 },
{ 19, 0x0032 },
{ 20, 0x0000 },
{ 21, 0x00c3 },
{ 22, 0x00c3 },
{ 23, 0x00c0 },
{ 24, 0x0000 },
{ 25, 0x0000 },
{ 26, 0x0000 },
{ 27, 0x0000 },
{ 31, 0x0000 },
{ 32, 0x0000 },
{ 33, 0x0000 },
{ 34, 0x0050 },
{ 35, 0x0050 },
{ 36, 0x0050 },
{ 37, 0x0050 },
{ 40, 0x0079 },
{ 41, 0x0079 },
{ 42, 0x0079 },
};
static bool wm8988_writeable(struct device *dev, unsigned int reg)
{
switch (reg) {
case WM8988_LINVOL:
case WM8988_RINVOL:
case WM8988_LOUT1V:
case WM8988_ROUT1V:
case WM8988_ADCDAC:
case WM8988_IFACE:
case WM8988_SRATE:
case WM8988_LDAC:
case WM8988_RDAC:
case WM8988_BASS:
case WM8988_TREBLE:
case WM8988_RESET:
case WM8988_3D:
case WM8988_ALC1:
case WM8988_ALC2:
case WM8988_ALC3:
case WM8988_NGATE:
case WM8988_LADC:
case WM8988_RADC:
case WM8988_ADCTL1:
case WM8988_ADCTL2:
case WM8988_PWR1:
case WM8988_PWR2:
case WM8988_ADCTL3:
case WM8988_ADCIN:
case WM8988_LADCIN:
case WM8988_RADCIN:
case WM8988_LOUTM1:
case WM8988_LOUTM2:
case WM8988_ROUTM1:
case WM8988_ROUTM2:
case WM8988_LOUT2V:
case WM8988_ROUT2V:
case WM8988_LPPB:
return true;
default:
return false;
}
}
/* codec private data */
struct wm8988_priv {
struct regmap *regmap;
unsigned int sysclk;
enum snd_soc_control_type control_type;
struct snd_pcm_hw_constraint_list *sysclk_constraints;
};
@ -661,6 +726,7 @@ static int wm8988_mute(struct snd_soc_dai *dai, int mute)
static int wm8988_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct wm8988_priv *wm8988 = snd_soc_codec_get_drvdata(codec);
u16 pwr_reg = snd_soc_read(codec, WM8988_PWR1) & ~0x1c1;
switch (level) {
@ -674,7 +740,7 @@ static int wm8988_set_bias_level(struct snd_soc_codec *codec,
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
snd_soc_cache_sync(codec);
regcache_sync(wm8988->regmap);
/* VREF, VMID=2x5k */
snd_soc_write(codec, WM8988_PWR1, pwr_reg | 0x1c1);
@ -730,7 +796,10 @@ static struct snd_soc_dai_driver wm8988_dai = {
static int wm8988_suspend(struct snd_soc_codec *codec)
{
struct wm8988_priv *wm8988 = snd_soc_codec_get_drvdata(codec);
wm8988_set_bias_level(codec, SND_SOC_BIAS_OFF);
regcache_mark_dirty(wm8988->regmap);
return 0;
}
@ -745,7 +814,8 @@ static int wm8988_probe(struct snd_soc_codec *codec)
struct wm8988_priv *wm8988 = snd_soc_codec_get_drvdata(codec);
int ret = 0;
ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8988->control_type);
codec->control_data = wm8988->regmap;
ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP);
if (ret < 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
return ret;
@ -781,9 +851,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8988 = {
.suspend = wm8988_suspend,
.resume = wm8988_resume,
.set_bias_level = wm8988_set_bias_level,
.reg_cache_size = ARRAY_SIZE(wm8988_reg),
.reg_word_size = sizeof(u16),
.reg_cache_default = wm8988_reg,
.controls = wm8988_snd_controls,
.num_controls = ARRAY_SIZE(wm8988_snd_controls),
@ -793,6 +860,18 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8988 = {
.num_dapm_routes = ARRAY_SIZE(wm8988_dapm_routes),
};
static struct regmap_config wm8988_regmap = {
.reg_bits = 7,
.val_bits = 9,
.max_register = WM8988_LPPB,
.writeable_reg = wm8988_writeable,
.cache_type = REGCACHE_RBTREE,
.reg_defaults = wm8988_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(wm8988_reg_defaults),
};
#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8988_spi_probe(struct spi_device *spi)
{
@ -804,18 +883,28 @@ static int __devinit wm8988_spi_probe(struct spi_device *spi)
if (wm8988 == NULL)
return -ENOMEM;
wm8988->control_type = SND_SOC_SPI;
wm8988->regmap = regmap_init_spi(spi, &wm8988_regmap);
if (IS_ERR(wm8988->regmap)) {
ret = PTR_ERR(wm8988->regmap);
dev_err(&spi->dev, "Failed to init regmap: %d\n", ret);
return ret;
}
spi_set_drvdata(spi, wm8988);
ret = snd_soc_register_codec(&spi->dev,
&soc_codec_dev_wm8988, &wm8988_dai, 1);
if (ret != 0)
regmap_exit(wm8988->regmap);
return ret;
}
static int __devexit wm8988_spi_remove(struct spi_device *spi)
{
struct wm8988_priv *wm8988 = spi_get_drvdata(spi);
snd_soc_unregister_codec(&spi->dev);
regmap_exit(wm8988->regmap);
return 0;
}
@ -842,16 +931,27 @@ static __devinit int wm8988_i2c_probe(struct i2c_client *i2c,
return -ENOMEM;
i2c_set_clientdata(i2c, wm8988);
wm8988->control_type = SND_SOC_I2C;
wm8988->regmap = regmap_init_i2c(i2c, &wm8988_regmap);
if (IS_ERR(wm8988->regmap)) {
ret = PTR_ERR(wm8988->regmap);
dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret);
return ret;
}
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8988, &wm8988_dai, 1);
if (ret != 0)
regmap_exit(wm8988->regmap);
return ret;
}
static __devexit int wm8988_i2c_remove(struct i2c_client *client)
{
struct wm8988_priv *wm8988 = i2c_get_clientdata(client);
snd_soc_unregister_codec(&client->dev);
regmap_exit(wm8988->regmap);
return 0;
}