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Diffstat (limited to 'sound/soc/codecs/sta32x.c')
-rw-r--r--sound/soc/codecs/sta32x.c254
1 files changed, 141 insertions, 113 deletions
diff --git a/sound/soc/codecs/sta32x.c b/sound/soc/codecs/sta32x.c
index 7db6fa51502..0579d187135 100644
--- a/sound/soc/codecs/sta32x.c
+++ b/sound/soc/codecs/sta32x.c
@@ -24,6 +24,7 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
+#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
@@ -55,12 +56,50 @@
SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE)
/* Power-up register defaults */
-static const u8 sta32x_regs[STA32X_REGISTER_COUNT] = {
- 0x63, 0x80, 0xc2, 0x40, 0xc2, 0x5c, 0x10, 0xff, 0x60, 0x60,
- 0x60, 0x80, 0x00, 0x00, 0x00, 0x40, 0x80, 0x77, 0x6a, 0x69,
- 0x6a, 0x69, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2d,
- 0xc0, 0xf3, 0x33, 0x00, 0x0c,
+static const struct reg_default sta32x_regs[] = {
+ { 0x0, 0x63 },
+ { 0x1, 0x80 },
+ { 0x2, 0xc2 },
+ { 0x3, 0x40 },
+ { 0x4, 0xc2 },
+ { 0x5, 0x5c },
+ { 0x6, 0x10 },
+ { 0x7, 0xff },
+ { 0x8, 0x60 },
+ { 0x9, 0x60 },
+ { 0xa, 0x60 },
+ { 0xb, 0x80 },
+ { 0xc, 0x00 },
+ { 0xd, 0x00 },
+ { 0xe, 0x00 },
+ { 0xf, 0x40 },
+ { 0x10, 0x80 },
+ { 0x11, 0x77 },
+ { 0x12, 0x6a },
+ { 0x13, 0x69 },
+ { 0x14, 0x6a },
+ { 0x15, 0x69 },
+ { 0x16, 0x00 },
+ { 0x17, 0x00 },
+ { 0x18, 0x00 },
+ { 0x19, 0x00 },
+ { 0x1a, 0x00 },
+ { 0x1b, 0x00 },
+ { 0x1c, 0x00 },
+ { 0x1d, 0x00 },
+ { 0x1e, 0x00 },
+ { 0x1f, 0x00 },
+ { 0x20, 0x00 },
+ { 0x21, 0x00 },
+ { 0x22, 0x00 },
+ { 0x23, 0x00 },
+ { 0x24, 0x00 },
+ { 0x25, 0x00 },
+ { 0x26, 0x00 },
+ { 0x27, 0x2d },
+ { 0x28, 0xc0 },
+ { 0x2b, 0x00 },
+ { 0x2c, 0x0c },
};
/* regulator power supply names */
@@ -72,6 +111,7 @@ static const char *sta32x_supply_names[] = {
/* codec private data */
struct sta32x_priv {
+ struct regmap *regmap;
struct regulator_bulk_data supplies[ARRAY_SIZE(sta32x_supply_names)];
struct snd_soc_codec *codec;
struct sta32x_platform_data *pdata;
@@ -147,42 +187,42 @@ static const unsigned int sta32x_limiter_drc_release_tlv[] = {
13, 16, TLV_DB_SCALE_ITEM(-1500, 300, 0),
};
-static const struct soc_enum sta32x_drc_ac_enum =
- SOC_ENUM_SINGLE(STA32X_CONFD, STA32X_CONFD_DRC_SHIFT,
- 2, sta32x_drc_ac);
-static const struct soc_enum sta32x_auto_eq_enum =
- SOC_ENUM_SINGLE(STA32X_AUTO1, STA32X_AUTO1_AMEQ_SHIFT,
- 3, sta32x_auto_eq_mode);
-static const struct soc_enum sta32x_auto_gc_enum =
- SOC_ENUM_SINGLE(STA32X_AUTO1, STA32X_AUTO1_AMGC_SHIFT,
- 4, sta32x_auto_gc_mode);
-static const struct soc_enum sta32x_auto_xo_enum =
- SOC_ENUM_SINGLE(STA32X_AUTO2, STA32X_AUTO2_XO_SHIFT,
- 16, sta32x_auto_xo_mode);
-static const struct soc_enum sta32x_preset_eq_enum =
- SOC_ENUM_SINGLE(STA32X_AUTO3, STA32X_AUTO3_PEQ_SHIFT,
- 32, sta32x_preset_eq_mode);
-static const struct soc_enum sta32x_limiter_ch1_enum =
- SOC_ENUM_SINGLE(STA32X_C1CFG, STA32X_CxCFG_LS_SHIFT,
- 3, sta32x_limiter_select);
-static const struct soc_enum sta32x_limiter_ch2_enum =
- SOC_ENUM_SINGLE(STA32X_C2CFG, STA32X_CxCFG_LS_SHIFT,
- 3, sta32x_limiter_select);
-static const struct soc_enum sta32x_limiter_ch3_enum =
- SOC_ENUM_SINGLE(STA32X_C3CFG, STA32X_CxCFG_LS_SHIFT,
- 3, sta32x_limiter_select);
-static const struct soc_enum sta32x_limiter1_attack_rate_enum =
- SOC_ENUM_SINGLE(STA32X_L1AR, STA32X_LxA_SHIFT,
- 16, sta32x_limiter_attack_rate);
-static const struct soc_enum sta32x_limiter2_attack_rate_enum =
- SOC_ENUM_SINGLE(STA32X_L2AR, STA32X_LxA_SHIFT,
- 16, sta32x_limiter_attack_rate);
-static const struct soc_enum sta32x_limiter1_release_rate_enum =
- SOC_ENUM_SINGLE(STA32X_L1AR, STA32X_LxR_SHIFT,
- 16, sta32x_limiter_release_rate);
-static const struct soc_enum sta32x_limiter2_release_rate_enum =
- SOC_ENUM_SINGLE(STA32X_L2AR, STA32X_LxR_SHIFT,
- 16, sta32x_limiter_release_rate);
+static SOC_ENUM_SINGLE_DECL(sta32x_drc_ac_enum,
+ STA32X_CONFD, STA32X_CONFD_DRC_SHIFT,
+ sta32x_drc_ac);
+static SOC_ENUM_SINGLE_DECL(sta32x_auto_eq_enum,
+ STA32X_AUTO1, STA32X_AUTO1_AMEQ_SHIFT,
+ sta32x_auto_eq_mode);
+static SOC_ENUM_SINGLE_DECL(sta32x_auto_gc_enum,
+ STA32X_AUTO1, STA32X_AUTO1_AMGC_SHIFT,
+ sta32x_auto_gc_mode);
+static SOC_ENUM_SINGLE_DECL(sta32x_auto_xo_enum,
+ STA32X_AUTO2, STA32X_AUTO2_XO_SHIFT,
+ sta32x_auto_xo_mode);
+static SOC_ENUM_SINGLE_DECL(sta32x_preset_eq_enum,
+ STA32X_AUTO3, STA32X_AUTO3_PEQ_SHIFT,
+ sta32x_preset_eq_mode);
+static SOC_ENUM_SINGLE_DECL(sta32x_limiter_ch1_enum,
+ STA32X_C1CFG, STA32X_CxCFG_LS_SHIFT,
+ sta32x_limiter_select);
+static SOC_ENUM_SINGLE_DECL(sta32x_limiter_ch2_enum,
+ STA32X_C2CFG, STA32X_CxCFG_LS_SHIFT,
+ sta32x_limiter_select);
+static SOC_ENUM_SINGLE_DECL(sta32x_limiter_ch3_enum,
+ STA32X_C3CFG, STA32X_CxCFG_LS_SHIFT,
+ sta32x_limiter_select);
+static SOC_ENUM_SINGLE_DECL(sta32x_limiter1_attack_rate_enum,
+ STA32X_L1AR, STA32X_LxA_SHIFT,
+ sta32x_limiter_attack_rate);
+static SOC_ENUM_SINGLE_DECL(sta32x_limiter2_attack_rate_enum,
+ STA32X_L2AR, STA32X_LxA_SHIFT,
+ sta32x_limiter_attack_rate);
+static SOC_ENUM_SINGLE_DECL(sta32x_limiter1_release_rate_enum,
+ STA32X_L1AR, STA32X_LxR_SHIFT,
+ sta32x_limiter_release_rate);
+static SOC_ENUM_SINGLE_DECL(sta32x_limiter2_release_rate_enum,
+ STA32X_L2AR, STA32X_LxR_SHIFT,
+ sta32x_limiter_release_rate);
/* byte array controls for setting biquad, mixer, scaling coefficients;
* for biquads all five coefficients need to be set in one go,
@@ -203,7 +243,7 @@ static int sta32x_coefficient_info(struct snd_kcontrol *kcontrol,
static int sta32x_coefficient_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
int numcoef = kcontrol->private_value >> 16;
int index = kcontrol->private_value & 0xffff;
unsigned int cfud;
@@ -232,7 +272,7 @@ static int sta32x_coefficient_get(struct snd_kcontrol *kcontrol,
static int sta32x_coefficient_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
int numcoef = kcontrol->private_value >> 16;
int index = kcontrol->private_value & 0xffff;
@@ -291,17 +331,15 @@ static int sta32x_sync_coef_shadow(struct snd_soc_codec *codec)
static int sta32x_cache_sync(struct snd_soc_codec *codec)
{
+ struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
unsigned int mute;
int rc;
- if (!codec->cache_sync)
- return 0;
-
/* mute during register sync */
mute = snd_soc_read(codec, STA32X_MMUTE);
snd_soc_write(codec, STA32X_MMUTE, mute | STA32X_MMUTE_MMUTE);
sta32x_sync_coef_shadow(codec);
- rc = snd_soc_cache_sync(codec);
+ rc = regcache_sync(sta32x->regmap);
snd_soc_write(codec, STA32X_MMUTE, mute);
return rc;
}
@@ -316,25 +354,27 @@ static void sta32x_watchdog(struct work_struct *work)
/* check if sta32x has reset itself */
confa_cached = snd_soc_read(codec, STA32X_CONFA);
- codec->cache_bypass = 1;
+ regcache_cache_bypass(sta32x->regmap, true);
confa = snd_soc_read(codec, STA32X_CONFA);
- codec->cache_bypass = 0;
+ regcache_cache_bypass(sta32x->regmap, false);
if (confa != confa_cached) {
- codec->cache_sync = 1;
+ regcache_mark_dirty(sta32x->regmap);
sta32x_cache_sync(codec);
}
if (!sta32x->shutdown)
- schedule_delayed_work(&sta32x->watchdog_work,
- round_jiffies_relative(HZ));
+ queue_delayed_work(system_power_efficient_wq,
+ &sta32x->watchdog_work,
+ round_jiffies_relative(HZ));
}
static void sta32x_watchdog_start(struct sta32x_priv *sta32x)
{
if (sta32x->pdata->needs_esd_watchdog) {
sta32x->shutdown = 0;
- schedule_delayed_work(&sta32x->watchdog_work,
- round_jiffies_relative(HZ));
+ queue_delayed_work(system_power_efficient_wq,
+ &sta32x->watchdog_work,
+ round_jiffies_relative(HZ));
}
}
@@ -394,7 +434,7 @@ SOC_SINGLE_TLV("Treble Tone Control", STA32X_TONE, STA32X_TONE_TTC_SHIFT, 15, 0,
SOC_ENUM("Limiter1 Attack Rate (dB/ms)", sta32x_limiter1_attack_rate_enum),
SOC_ENUM("Limiter2 Attack Rate (dB/ms)", sta32x_limiter2_attack_rate_enum),
SOC_ENUM("Limiter1 Release Rate (dB/ms)", sta32x_limiter1_release_rate_enum),
-SOC_ENUM("Limiter2 Release Rate (dB/ms)", sta32x_limiter1_release_rate_enum),
+SOC_ENUM("Limiter2 Release Rate (dB/ms)", sta32x_limiter2_release_rate_enum),
/* depending on mode, the attack/release thresholds have
* two different enum definitions; provide both
@@ -609,8 +649,7 @@ static int sta32x_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
unsigned int rate;
int i, mcs = -1, ir = -1;
@@ -826,30 +865,10 @@ static int sta32x_probe(struct snd_soc_codec *codec)
sta32x->codec = codec;
sta32x->pdata = dev_get_platdata(codec->dev);
- /* regulators */
- for (i = 0; i < ARRAY_SIZE(sta32x->supplies); i++)
- sta32x->supplies[i].supply = sta32x_supply_names[i];
-
- ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(sta32x->supplies),
- sta32x->supplies);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
- goto err;
- }
-
ret = regulator_bulk_enable(ARRAY_SIZE(sta32x->supplies),
sta32x->supplies);
if (ret != 0) {
dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
- goto err_get;
- }
-
- /* Tell ASoC what kind of I/O to use to read the registers. ASoC will
- * then do the I2C transactions itself.
- */
- ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_I2C);
- if (ret < 0) {
- dev_err(codec->dev, "failed to set cache I/O (ret=%i)\n", ret);
return ret;
}
@@ -859,13 +878,15 @@ static int sta32x_probe(struct snd_soc_codec *codec)
* so the write to the these registers are suppressed by the cache
* restore code when it skips writes of default registers.
*/
- snd_soc_cache_write(codec, STA32X_CONFC, 0xc2);
- snd_soc_cache_write(codec, STA32X_CONFE, 0xc2);
- snd_soc_cache_write(codec, STA32X_CONFF, 0x5c);
- snd_soc_cache_write(codec, STA32X_MMUTE, 0x10);
- snd_soc_cache_write(codec, STA32X_AUTO1, 0x60);
- snd_soc_cache_write(codec, STA32X_AUTO3, 0x00);
- snd_soc_cache_write(codec, STA32X_C3CFG, 0x40);
+ regcache_cache_only(sta32x->regmap, true);
+ snd_soc_write(codec, STA32X_CONFC, 0xc2);
+ snd_soc_write(codec, STA32X_CONFE, 0xc2);
+ snd_soc_write(codec, STA32X_CONFF, 0x5c);
+ snd_soc_write(codec, STA32X_MMUTE, 0x10);
+ snd_soc_write(codec, STA32X_AUTO1, 0x60);
+ snd_soc_write(codec, STA32X_AUTO3, 0x00);
+ snd_soc_write(codec, STA32X_C3CFG, 0x40);
+ regcache_cache_only(sta32x->regmap, false);
/* set thermal warning adjustment and recovery */
if (!(sta32x->pdata->thermal_conf & STA32X_THERMAL_ADJUSTMENT_ENABLE))
@@ -915,11 +936,6 @@ static int sta32x_probe(struct snd_soc_codec *codec)
regulator_bulk_disable(ARRAY_SIZE(sta32x->supplies), sta32x->supplies);
return 0;
-
-err_get:
- regulator_bulk_free(ARRAY_SIZE(sta32x->supplies), sta32x->supplies);
-err:
- return ret;
}
static int sta32x_remove(struct snd_soc_codec *codec)
@@ -929,13 +945,11 @@ static int sta32x_remove(struct snd_soc_codec *codec)
sta32x_watchdog_stop(sta32x);
sta32x_set_bias_level(codec, SND_SOC_BIAS_OFF);
regulator_bulk_disable(ARRAY_SIZE(sta32x->supplies), sta32x->supplies);
- regulator_bulk_free(ARRAY_SIZE(sta32x->supplies), sta32x->supplies);
return 0;
}
-static int sta32x_reg_is_volatile(struct snd_soc_codec *codec,
- unsigned int reg)
+static bool sta32x_reg_is_volatile(struct device *dev, unsigned int reg)
{
switch (reg) {
case STA32X_CONFA ... STA32X_L2ATRT:
@@ -950,10 +964,6 @@ static const struct snd_soc_codec_driver sta32x_codec = {
.remove = sta32x_remove,
.suspend = sta32x_suspend,
.resume = sta32x_resume,
- .reg_cache_size = STA32X_REGISTER_COUNT,
- .reg_word_size = sizeof(u8),
- .reg_cache_default = sta32x_regs,
- .volatile_register = sta32x_reg_is_volatile,
.set_bias_level = sta32x_set_bias_level,
.controls = sta32x_snd_controls,
.num_controls = ARRAY_SIZE(sta32x_snd_controls),
@@ -963,17 +973,45 @@ static const struct snd_soc_codec_driver sta32x_codec = {
.num_dapm_routes = ARRAY_SIZE(sta32x_dapm_routes),
};
-static __devinit int sta32x_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static const struct regmap_config sta32x_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = STA32X_FDRC2,
+ .reg_defaults = sta32x_regs,
+ .num_reg_defaults = ARRAY_SIZE(sta32x_regs),
+ .cache_type = REGCACHE_RBTREE,
+ .volatile_reg = sta32x_reg_is_volatile,
+};
+
+static int sta32x_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct sta32x_priv *sta32x;
- int ret;
+ int ret, i;
sta32x = devm_kzalloc(&i2c->dev, sizeof(struct sta32x_priv),
GFP_KERNEL);
if (!sta32x)
return -ENOMEM;
+ /* regulators */
+ for (i = 0; i < ARRAY_SIZE(sta32x->supplies); i++)
+ sta32x->supplies[i].supply = sta32x_supply_names[i];
+
+ ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(sta32x->supplies),
+ sta32x->supplies);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
+ return ret;
+ }
+
+ sta32x->regmap = devm_regmap_init_i2c(i2c, &sta32x_regmap);
+ if (IS_ERR(sta32x->regmap)) {
+ ret = PTR_ERR(sta32x->regmap);
+ dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret);
+ return ret;
+ }
+
i2c_set_clientdata(i2c, sta32x);
ret = snd_soc_register_codec(&i2c->dev, &sta32x_codec, &sta32x_dai, 1);
@@ -983,7 +1021,7 @@ static __devinit int sta32x_i2c_probe(struct i2c_client *i2c,
return ret;
}
-static __devexit int sta32x_i2c_remove(struct i2c_client *client)
+static int sta32x_i2c_remove(struct i2c_client *client)
{
snd_soc_unregister_codec(&client->dev);
return 0;
@@ -1003,21 +1041,11 @@ static struct i2c_driver sta32x_i2c_driver = {
.owner = THIS_MODULE,
},
.probe = sta32x_i2c_probe,
- .remove = __devexit_p(sta32x_i2c_remove),
+ .remove = sta32x_i2c_remove,
.id_table = sta32x_i2c_id,
};
-static int __init sta32x_init(void)
-{
- return i2c_add_driver(&sta32x_i2c_driver);
-}
-module_init(sta32x_init);
-
-static void __exit sta32x_exit(void)
-{
- i2c_del_driver(&sta32x_i2c_driver);
-}
-module_exit(sta32x_exit);
+module_i2c_driver(sta32x_i2c_driver);
MODULE_DESCRIPTION("ASoC STA32X driver");
MODULE_AUTHOR("Johannes Stezenbach <js@sig21.net>");