hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Merge remote-tracking branch 'asoc/topic/wm8770' into asoc-next

This commit is contained in:
Mark Brown 2012-12-10 00:22:30 +09:00
parent 95dd6d9066 c6300bb83f
commit 048742991b
1 changed files with 107 additions and 110 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

217
sound/soc/codecs/wm8770.c
View File

@ -17,6 +17,7 @@
#include <linux/of_device.h>
#include <linux/pm.h>
#include <linux/spi/spi.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <sound/core.h>
@ -35,19 +36,52 @@ static const char *wm8770_supply_names[WM8770_NUM_SUPPLIES] = {
"DVDD"
};
static const u16 wm8770_reg_defs[WM8770_CACHEREGNUM] = {
0x7f, 0x7f, 0x7f, 0x7f,
0x7f, 0x7f, 0x7f, 0x7f,
0x7f, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0, 0x90, 0,
0, 0x22, 0x22, 0x3e,
0xc, 0xc, 0x100, 0x189,
0x189, 0x8770
static const struct reg_default wm8770_reg_defaults[] = {
{ 0, 0x7f },
{ 1, 0x7f },
{ 2, 0x7f },
{ 3, 0x7f },
{ 4, 0x7f },
{ 5, 0x7f },
{ 6, 0x7f },
{ 7, 0x7f },
{ 8, 0x7f },
{ 9, 0xff },
{ 10, 0xff },
{ 11, 0xff },
{ 12, 0xff },
{ 13, 0xff },
{ 14, 0xff },
{ 15, 0xff },
{ 16, 0xff },
{ 17, 0xff },
{ 18, 0 },
{ 19, 0x90 },
{ 20, 0 },
{ 21, 0 },
{ 22, 0x22 },
{ 23, 0x22 },
{ 24, 0x3e },
{ 25, 0xc },
{ 26, 0xc },
{ 27, 0x100 },
{ 28, 0x189 },
{ 29, 0x189 },
{ 30, 0x8770 },
};
static bool wm8770_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case WM8770_RESET:
return true;
default:
return false;
}
}
struct wm8770_priv {
enum snd_soc_control_type control_type;
struct regmap *regmap;
struct regulator_bulk_data supplies[WM8770_NUM_SUPPLIES];
struct notifier_block disable_nb[WM8770_NUM_SUPPLIES];
struct snd_soc_codec *codec;
@ -71,7 +105,7 @@ static int wm8770_regulator_event_##n(struct notifier_block *nb, \
struct wm8770_priv *wm8770 = container_of(nb, struct wm8770_priv, \
disable_nb[n]); \
if (event & REGULATOR_EVENT_DISABLE) { \
wm8770->codec->cache_sync = 1; \
regcache_mark_dirty(wm8770->regmap); \
} \
return 0; \
}
@ -466,24 +500,6 @@ static int wm8770_set_sysclk(struct snd_soc_dai *dai,
return 0;
}
static void wm8770_sync_cache(struct snd_soc_codec *codec)
{
int i;
u16 *cache;
if (!codec->cache_sync)
return;
codec->cache_only = 0;
cache = codec->reg_cache;
for (i = 0; i < codec->driver->reg_cache_size; i++) {
if (i == WM8770_RESET || cache[i] == wm8770_reg_defs[i])
continue;
snd_soc_write(codec, i, cache[i]);
}
codec->cache_sync = 0;
}
static int wm8770_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
@ -507,7 +523,9 @@ static int wm8770_set_bias_level(struct snd_soc_codec *codec,
ret);
return ret;
}
wm8770_sync_cache(codec);
regcache_sync(wm8770->regmap);
/* global powerup */
snd_soc_write(codec, WM8770_PWDNCTRL, 0);
}
@ -554,68 +572,25 @@ static struct snd_soc_dai_driver wm8770_dai = {
.symmetric_rates = 1
};
#ifdef CONFIG_PM
static int wm8770_suspend(struct snd_soc_codec *codec)
{
wm8770_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
}
static int wm8770_resume(struct snd_soc_codec *codec)
{
wm8770_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
}
#else
#define wm8770_suspend NULL
#define wm8770_resume NULL
#endif
static int wm8770_probe(struct snd_soc_codec *codec)
{
struct wm8770_priv *wm8770;
int ret;
int i;
wm8770 = snd_soc_codec_get_drvdata(codec);
wm8770->codec = codec;
ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8770->control_type);
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;
}
for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++)
wm8770->supplies[i].supply = wm8770_supply_names[i];
ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8770->supplies),
wm8770->supplies);
if (ret) {
dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
return ret;
}
wm8770->disable_nb[0].notifier_call = wm8770_regulator_event_0;
wm8770->disable_nb[1].notifier_call = wm8770_regulator_event_1;
wm8770->disable_nb[2].notifier_call = wm8770_regulator_event_2;
/* This should really be moved into the regulator core */
for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++) {
ret = regulator_register_notifier(wm8770->supplies[i].consumer,
&wm8770->disable_nb[i]);
if (ret) {
dev_err(codec->dev,
"Failed to register regulator notifier: %d\n",
ret);
}
}
ret = regulator_bulk_enable(ARRAY_SIZE(wm8770->supplies),
wm8770->supplies);
if (ret) {
dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
goto err_reg_get;
return ret;
}
ret = wm8770_reset(codec);
@ -624,8 +599,6 @@ static int wm8770_probe(struct snd_soc_codec *codec)
goto err_reg_enable;
}
wm8770_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* latch the volume update bits */
snd_soc_update_bits(codec, WM8770_MSDIGVOL, 0x100, 0x100);
snd_soc_update_bits(codec, WM8770_MSALGVOL, 0x100, 0x100);
@ -641,46 +614,22 @@ static int wm8770_probe(struct snd_soc_codec *codec)
/* mute all DACs */
snd_soc_update_bits(codec, WM8770_DACMUTE, 0x10, 0x10);
snd_soc_add_codec_controls(codec, wm8770_snd_controls,
ARRAY_SIZE(wm8770_snd_controls));
snd_soc_dapm_new_controls(&codec->dapm, wm8770_dapm_widgets,
ARRAY_SIZE(wm8770_dapm_widgets));
snd_soc_dapm_add_routes(&codec->dapm, wm8770_intercon,
ARRAY_SIZE(wm8770_intercon));
return 0;
err_reg_enable:
regulator_bulk_disable(ARRAY_SIZE(wm8770->supplies), wm8770->supplies);
err_reg_get:
regulator_bulk_free(ARRAY_SIZE(wm8770->supplies), wm8770->supplies);
return ret;
}
static int wm8770_remove(struct snd_soc_codec *codec)
{
struct wm8770_priv *wm8770;
int i;
wm8770 = snd_soc_codec_get_drvdata(codec);
wm8770_set_bias_level(codec, SND_SOC_BIAS_OFF);
for (i = 0; i < ARRAY_SIZE(wm8770->supplies); ++i)
regulator_unregister_notifier(wm8770->supplies[i].consumer,
&wm8770->disable_nb[i]);
regulator_bulk_free(ARRAY_SIZE(wm8770->supplies), wm8770->supplies);
return 0;
}
static struct snd_soc_codec_driver soc_codec_dev_wm8770 = {
.probe = wm8770_probe,
.remove = wm8770_remove,
.suspend = wm8770_suspend,
.resume = wm8770_resume,
.set_bias_level = wm8770_set_bias_level,
.idle_bias_off = true,
.reg_cache_size = ARRAY_SIZE(wm8770_reg_defs),
.reg_word_size = sizeof (u16),
.reg_cache_default = wm8770_reg_defs
.controls = wm8770_snd_controls,
.num_controls = ARRAY_SIZE(wm8770_snd_controls),
.dapm_widgets = wm8770_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(wm8770_dapm_widgets),
.dapm_routes = wm8770_intercon,
.num_dapm_routes = ARRAY_SIZE(wm8770_intercon),
};
static const struct of_device_id wm8770_of_match[] = {
@ -689,17 +638,57 @@ static const struct of_device_id wm8770_of_match[] = {
};
MODULE_DEVICE_TABLE(of, wm8770_of_match);
static const struct regmap_config wm8770_regmap = {
.reg_bits = 7,
.val_bits = 9,
.max_register = WM8770_RESET,
.reg_defaults = wm8770_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(wm8770_reg_defaults),
.cache_type = REGCACHE_RBTREE,
.volatile_reg = wm8770_volatile_reg,
};
static int __devinit wm8770_spi_probe(struct spi_device *spi)
{
struct wm8770_priv *wm8770;
int ret;
int ret, i;
wm8770 = devm_kzalloc(&spi->dev, sizeof(struct wm8770_priv),
GFP_KERNEL);
if (!wm8770)
return -ENOMEM;
wm8770->control_type = SND_SOC_SPI;
for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++)
wm8770->supplies[i].supply = wm8770_supply_names[i];
ret = devm_regulator_bulk_get(&spi->dev, ARRAY_SIZE(wm8770->supplies),
wm8770->supplies);
if (ret) {
dev_err(&spi->dev, "Failed to request supplies: %d\n", ret);
return ret;
}
wm8770->disable_nb[0].notifier_call = wm8770_regulator_event_0;
wm8770->disable_nb[1].notifier_call = wm8770_regulator_event_1;
wm8770->disable_nb[2].notifier_call = wm8770_regulator_event_2;
/* This should really be moved into the regulator core */
for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++) {
ret = regulator_register_notifier(wm8770->supplies[i].consumer,
&wm8770->disable_nb[i]);
if (ret) {
dev_err(&spi->dev,
"Failed to register regulator notifier: %d\n",
ret);
}
}
wm8770->regmap = devm_regmap_init_spi(spi, &wm8770_regmap);
if (IS_ERR(wm8770->regmap))
return PTR_ERR(wm8770->regmap);
spi_set_drvdata(spi, wm8770);
ret = snd_soc_register_codec(&spi->dev,
@ -710,7 +699,15 @@ static int __devinit wm8770_spi_probe(struct spi_device *spi)
static int __devexit wm8770_spi_remove(struct spi_device *spi)
{
struct wm8770_priv *wm8770 = spi_get_drvdata(spi);
int i;
for (i = 0; i < ARRAY_SIZE(wm8770->supplies); ++i)
regulator_unregister_notifier(wm8770->supplies[i].consumer,
&wm8770->disable_nb[i]);
snd_soc_unregister_codec(&spi->dev);
return 0;
}