summaryrefslogtreecommitdiff
path: root/sound/soc/codecs/wm8510.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/wm8510.c')
-rw-r--r--sound/soc/codecs/wm8510.c129
1 files changed, 98 insertions, 31 deletions
diff --git a/sound/soc/codecs/wm8510.c b/sound/soc/codecs/wm8510.c
index 56a049555e2c..c12a54e72e89 100644
--- a/sound/soc/codecs/wm8510.c
+++ b/sound/soc/codecs/wm8510.c
@@ -20,6 +20,7 @@
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <linux/of_device.h>
+#include <linux/regmap.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -33,24 +34,75 @@
* We can't read the WM8510 register space when we are
* using 2 wire for device control, so we cache them instead.
*/
-static const u16 wm8510_reg[WM8510_CACHEREGNUM] = {
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0050, 0x0000, 0x0140, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x00ff,
- 0x0000, 0x0000, 0x0100, 0x00ff,
- 0x0000, 0x0000, 0x012c, 0x002c,
- 0x002c, 0x002c, 0x002c, 0x0000,
- 0x0032, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0038, 0x000b, 0x0032, 0x0000,
- 0x0008, 0x000c, 0x0093, 0x00e9,
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0003, 0x0010, 0x0000, 0x0000,
- 0x0000, 0x0002, 0x0001, 0x0000,
- 0x0000, 0x0000, 0x0039, 0x0000,
- 0x0001,
+static const struct reg_default wm8510_reg_defaults[] = {
+ { 1, 0x0000 },
+ { 2, 0x0000 },
+ { 3, 0x0000 },
+ { 4, 0x0050 },
+ { 5, 0x0000 },
+ { 6, 0x0140 },
+ { 7, 0x0000 },
+ { 8, 0x0000 },
+ { 9, 0x0000 },
+ { 10, 0x0000 },
+ { 11, 0x00ff },
+ { 12, 0x0000 },
+ { 13, 0x0000 },
+ { 14, 0x0100 },
+ { 15, 0x00ff },
+ { 16, 0x0000 },
+ { 17, 0x0000 },
+ { 18, 0x012c },
+ { 19, 0x002c },
+ { 20, 0x002c },
+ { 21, 0x002c },
+ { 22, 0x002c },
+ { 23, 0x0000 },
+ { 24, 0x0032 },
+ { 25, 0x0000 },
+ { 26, 0x0000 },
+ { 27, 0x0000 },
+ { 28, 0x0000 },
+ { 29, 0x0000 },
+ { 30, 0x0000 },
+ { 31, 0x0000 },
+ { 32, 0x0038 },
+ { 33, 0x000b },
+ { 34, 0x0032 },
+ { 35, 0x0000 },
+ { 36, 0x0008 },
+ { 37, 0x000c },
+ { 38, 0x0093 },
+ { 39, 0x00e9 },
+ { 40, 0x0000 },
+ { 41, 0x0000 },
+ { 42, 0x0000 },
+ { 43, 0x0000 },
+ { 44, 0x0003 },
+ { 45, 0x0010 },
+ { 46, 0x0000 },
+ { 47, 0x0000 },
+ { 48, 0x0000 },
+ { 49, 0x0002 },
+ { 50, 0x0001 },
+ { 51, 0x0000 },
+ { 52, 0x0000 },
+ { 53, 0x0000 },
+ { 54, 0x0039 },
+ { 55, 0x0000 },
+ { 56, 0x0001 },
};
+static bool wm8510_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case WM8510_RESET:
+ return true;
+ default:
+ return false;
+ }
+}
+
#define WM8510_POWER1_BIASEN 0x08
#define WM8510_POWER1_BUFIOEN 0x10
@@ -58,7 +110,7 @@ static const u16 wm8510_reg[WM8510_CACHEREGNUM] = {
/* codec private data */
struct wm8510_priv {
- enum snd_soc_control_type control_type;
+ struct regmap *regmap;
};
static const char *wm8510_companding[] = { "Off", "NC", "u-law", "A-law" };
@@ -454,6 +506,7 @@ static int wm8510_mute(struct snd_soc_dai *dai, int mute)
static int wm8510_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
+ struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec);
u16 power1 = snd_soc_read(codec, WM8510_POWER1) & ~0x3;
switch (level) {
@@ -467,7 +520,7 @@ static int wm8510_set_bias_level(struct snd_soc_codec *codec,
power1 |= WM8510_POWER1_BIASEN | WM8510_POWER1_BUFIOEN;
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
- snd_soc_cache_sync(codec);
+ regcache_sync(wm8510->regmap);
/* Initial cap charge at VMID 5k */
snd_soc_write(codec, WM8510_POWER1, power1 | 0x3);
@@ -536,10 +589,9 @@ static int wm8510_resume(struct snd_soc_codec *codec)
static int wm8510_probe(struct snd_soc_codec *codec)
{
- struct wm8510_priv *wm8510 = snd_soc_codec_get_drvdata(codec);
int ret;
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8510->control_type);
+ ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP);
if (ret < 0) {
printk(KERN_ERR "wm8510: failed to set cache I/O: %d\n", ret);
return ret;
@@ -569,9 +621,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8510 = {
.suspend = wm8510_suspend,
.resume = wm8510_resume,
.set_bias_level = wm8510_set_bias_level,
- .reg_cache_size = ARRAY_SIZE(wm8510_reg),
- .reg_word_size = sizeof(u16),
- .reg_cache_default =wm8510_reg,
.controls = wm8510_snd_controls,
.num_controls = ARRAY_SIZE(wm8510_snd_controls),
@@ -586,23 +635,38 @@ static const struct of_device_id wm8510_of_match[] = {
{ },
};
+static const struct regmap_config wm8510_regmap = {
+ .reg_bits = 7,
+ .val_bits = 9,
+ .max_register = WM8510_MONOMIX,
+
+ .reg_defaults = wm8510_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm8510_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
+
+ .volatile_reg = wm8510_volatile,
+};
+
#if defined(CONFIG_SPI_MASTER)
static int __devinit wm8510_spi_probe(struct spi_device *spi)
{
struct wm8510_priv *wm8510;
int ret;
- wm8510 = kzalloc(sizeof(struct wm8510_priv), GFP_KERNEL);
+ wm8510 = devm_kzalloc(&spi->dev, sizeof(struct wm8510_priv),
+ GFP_KERNEL);
if (wm8510 == NULL)
return -ENOMEM;
- wm8510->control_type = SND_SOC_SPI;
+ wm8510->regmap = devm_regmap_init_spi(spi, &wm8510_regmap);
+ if (IS_ERR(wm8510->regmap))
+ return PTR_ERR(wm8510->regmap);
+
spi_set_drvdata(spi, wm8510);
ret = snd_soc_register_codec(&spi->dev,
&soc_codec_dev_wm8510, &wm8510_dai, 1);
- if (ret < 0)
- kfree(wm8510);
+
return ret;
}
@@ -630,17 +694,20 @@ static __devinit int wm8510_i2c_probe(struct i2c_client *i2c,
struct wm8510_priv *wm8510;
int ret;
- wm8510 = kzalloc(sizeof(struct wm8510_priv), GFP_KERNEL);
+ wm8510 = devm_kzalloc(&i2c->dev, sizeof(struct wm8510_priv),
+ GFP_KERNEL);
if (wm8510 == NULL)
return -ENOMEM;
+ wm8510->regmap = devm_regmap_init_i2c(i2c, &wm8510_regmap);
+ if (IS_ERR(wm8510->regmap))
+ return PTR_ERR(wm8510->regmap);
+
i2c_set_clientdata(i2c, wm8510);
- wm8510->control_type = SND_SOC_I2C;
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8510, &wm8510_dai, 1);
- if (ret < 0)
- kfree(wm8510);
+
return ret;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 03:44:21 +0000