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Diffstat (limited to 'sound/soc/codecs/tlv320aic3x.c')
-rw-r--r--sound/soc/codecs/tlv320aic3x.c234
1 files changed, 121 insertions, 113 deletions
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 546d16b..64ad84d 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -40,7 +40,6 @@
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
-#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/slab.h>
#include <sound/core.h>
@@ -73,9 +72,9 @@ struct aic3x_disable_nb {
/* codec private data */
struct aic3x_priv {
struct snd_soc_codec *codec;
- struct regmap *regmap;
struct regulator_bulk_data supplies[AIC3X_NUM_SUPPLIES];
struct aic3x_disable_nb disable_nb[AIC3X_NUM_SUPPLIES];
+ enum snd_soc_control_type control_type;
struct aic3x_setup_data *setup;
unsigned int sysclk;
struct list_head list;
@@ -91,45 +90,41 @@ struct aic3x_priv {
enum aic3x_micbias_voltage micbias_vg;
};
-static const struct reg_default aic3x_reg[] = {
- { 0, 0x00 }, { 1, 0x00 }, { 2, 0x00 }, { 3, 0x10 },
- { 4, 0x04 }, { 5, 0x00 }, { 6, 0x00 }, { 7, 0x00 },
- { 8, 0x00 }, { 9, 0x00 }, { 10, 0x00 }, { 11, 0x01 },
- { 12, 0x00 }, { 13, 0x00 }, { 14, 0x00 }, { 15, 0x80 },
- { 16, 0x80 }, { 17, 0xff }, { 18, 0xff }, { 19, 0x78 },
- { 20, 0x78 }, { 21, 0x78 }, { 22, 0x78 }, { 23, 0x78 },
- { 24, 0x78 }, { 25, 0x00 }, { 26, 0x00 }, { 27, 0xfe },
- { 28, 0x00 }, { 29, 0x00 }, { 30, 0xfe }, { 31, 0x00 },
- { 32, 0x18 }, { 33, 0x18 }, { 34, 0x00 }, { 35, 0x00 },
- { 36, 0x00 }, { 37, 0x00 }, { 38, 0x00 }, { 39, 0x00 },
- { 40, 0x00 }, { 41, 0x00 }, { 42, 0x00 }, { 43, 0x80 },
- { 44, 0x80 }, { 45, 0x00 }, { 46, 0x00 }, { 47, 0x00 },
- { 48, 0x00 }, { 49, 0x00 }, { 50, 0x00 }, { 51, 0x04 },
- { 52, 0x00 }, { 53, 0x00 }, { 54, 0x00 }, { 55, 0x00 },
- { 56, 0x00 }, { 57, 0x00 }, { 58, 0x04 }, { 59, 0x00 },
- { 60, 0x00 }, { 61, 0x00 }, { 62, 0x00 }, { 63, 0x00 },
- { 64, 0x00 }, { 65, 0x04 }, { 66, 0x00 }, { 67, 0x00 },
- { 68, 0x00 }, { 69, 0x00 }, { 70, 0x00 }, { 71, 0x00 },
- { 72, 0x04 }, { 73, 0x00 }, { 74, 0x00 }, { 75, 0x00 },
- { 76, 0x00 }, { 77, 0x00 }, { 78, 0x00 }, { 79, 0x00 },
- { 80, 0x00 }, { 81, 0x00 }, { 82, 0x00 }, { 83, 0x00 },
- { 84, 0x00 }, { 85, 0x00 }, { 86, 0x00 }, { 87, 0x00 },
- { 88, 0x00 }, { 89, 0x00 }, { 90, 0x00 }, { 91, 0x00 },
- { 92, 0x00 }, { 93, 0x00 }, { 94, 0x00 }, { 95, 0x00 },
- { 96, 0x00 }, { 97, 0x00 }, { 98, 0x00 }, { 99, 0x00 },
- { 100, 0x00 }, { 101, 0x00 }, { 102, 0x02 }, { 103, 0x00 },
- { 104, 0x00 }, { 105, 0x00 }, { 106, 0x00 }, { 107, 0x00 },
- { 108, 0x00 }, { 109, 0x00 },
-};
-
-static const struct regmap_config aic3x_regmap = {
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = DAC_ICC_ADJ,
- .reg_defaults = aic3x_reg,
- .num_reg_defaults = ARRAY_SIZE(aic3x_reg),
- .cache_type = REGCACHE_RBTREE,
+/*
+ * AIC3X register cache
+ * We can't read the AIC3X register space when we are
+ * using 2 wire for device control, so we cache them instead.
+ * There is no point in caching the reset register
+ */
+static const u8 aic3x_reg[AIC3X_CACHEREGNUM] = {
+ 0x00, 0x00, 0x00, 0x10, /* 0 */
+ 0x04, 0x00, 0x00, 0x00, /* 4 */
+ 0x00, 0x00, 0x00, 0x01, /* 8 */
+ 0x00, 0x00, 0x00, 0x80, /* 12 */
+ 0x80, 0xff, 0xff, 0x78, /* 16 */
+ 0x78, 0x78, 0x78, 0x78, /* 20 */
+ 0x78, 0x00, 0x00, 0xfe, /* 24 */
+ 0x00, 0x00, 0xfe, 0x00, /* 28 */
+ 0x18, 0x18, 0x00, 0x00, /* 32 */
+ 0x00, 0x00, 0x00, 0x00, /* 36 */
+ 0x00, 0x00, 0x00, 0x80, /* 40 */
+ 0x80, 0x00, 0x00, 0x00, /* 44 */
+ 0x00, 0x00, 0x00, 0x04, /* 48 */
+ 0x00, 0x00, 0x00, 0x00, /* 52 */
+ 0x00, 0x00, 0x04, 0x00, /* 56 */
+ 0x00, 0x00, 0x00, 0x00, /* 60 */
+ 0x00, 0x04, 0x00, 0x00, /* 64 */
+ 0x00, 0x00, 0x00, 0x00, /* 68 */
+ 0x04, 0x00, 0x00, 0x00, /* 72 */
+ 0x00, 0x00, 0x00, 0x00, /* 76 */
+ 0x00, 0x00, 0x00, 0x00, /* 80 */
+ 0x00, 0x00, 0x00, 0x00, /* 84 */
+ 0x00, 0x00, 0x00, 0x00, /* 88 */
+ 0x00, 0x00, 0x00, 0x00, /* 92 */
+ 0x00, 0x00, 0x00, 0x00, /* 96 */
+ 0x00, 0x00, 0x02, 0x00, /* 100 */
+ 0x00, 0x00, 0x00, 0x00, /* 104 */
+ 0x00, 0x00, /* 108 */
};
#define SOC_DAPM_SINGLE_AIC3X(xname, reg, shift, mask, invert) \
@@ -833,6 +828,12 @@ static int aic3x_add_widgets(struct snd_soc_codec *codec)
struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
struct snd_soc_dapm_context *dapm = &codec->dapm;
+ snd_soc_dapm_new_controls(dapm, aic3x_dapm_widgets,
+ ARRAY_SIZE(aic3x_dapm_widgets));
+
+ /* set up audio path interconnects */
+ snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
+
if (aic3x->model == AIC3X_MODEL_3007) {
snd_soc_dapm_new_controls(dapm, aic3007_dapm_widgets,
ARRAY_SIZE(aic3007_dapm_widgets));
@@ -1081,6 +1082,29 @@ static int aic3x_set_dai_fmt(struct snd_soc_dai *codec_dai,
return 0;
}
+static int aic3x_init_3007(struct snd_soc_codec *codec)
+{
+ u8 tmp1, tmp2, *cache = codec->reg_cache;
+
+ /*
+ * There is no need to cache writes to undocumented page 0xD but
+ * respective page 0 register cache entries must be preserved
+ */
+ tmp1 = cache[0xD];
+ tmp2 = cache[0x8];
+ /* Class-D speaker driver init; datasheet p. 46 */
+ snd_soc_write(codec, AIC3X_PAGE_SELECT, 0x0D);
+ snd_soc_write(codec, 0xD, 0x0D);
+ snd_soc_write(codec, 0x8, 0x5C);
+ snd_soc_write(codec, 0x8, 0x5D);
+ snd_soc_write(codec, 0x8, 0x5C);
+ snd_soc_write(codec, AIC3X_PAGE_SELECT, 0x00);
+ cache[0xD] = tmp1;
+ cache[0x8] = tmp2;
+
+ return 0;
+}
+
static int aic3x_regulator_event(struct notifier_block *nb,
unsigned long event, void *data)
{
@@ -1095,7 +1119,7 @@ static int aic3x_regulator_event(struct notifier_block *nb,
*/
if (gpio_is_valid(aic3x->gpio_reset))
gpio_set_value(aic3x->gpio_reset, 0);
- regcache_mark_dirty(aic3x->regmap);
+ aic3x->codec->cache_sync = 1;
}
return 0;
@@ -1104,7 +1128,8 @@ static int aic3x_regulator_event(struct notifier_block *nb,
static int aic3x_set_power(struct snd_soc_codec *codec, int power)
{
struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
- int ret;
+ int i, ret;
+ u8 *cache = codec->reg_cache;
if (power) {
ret = regulator_bulk_enable(ARRAY_SIZE(aic3x->supplies),
@@ -1112,6 +1137,12 @@ static int aic3x_set_power(struct snd_soc_codec *codec, int power)
if (ret)
goto out;
aic3x->power = 1;
+ /*
+ * Reset release and cache sync is necessary only if some
+ * supply was off or if there were cached writes
+ */
+ if (!codec->cache_sync)
+ goto out;
if (gpio_is_valid(aic3x->gpio_reset)) {
udelay(1);
@@ -1119,8 +1150,12 @@ static int aic3x_set_power(struct snd_soc_codec *codec, int power)
}
/* Sync reg_cache with the hardware */
- regcache_cache_only(aic3x->regmap, false);
- regcache_sync(aic3x->regmap);
+ codec->cache_only = 0;
+ for (i = AIC3X_SAMPLE_RATE_SEL_REG; i < ARRAY_SIZE(aic3x_reg); i++)
+ snd_soc_write(codec, i, cache[i]);
+ if (aic3x->model == AIC3X_MODEL_3007)
+ aic3x_init_3007(codec);
+ codec->cache_sync = 0;
} else {
/*
* Do soft reset to this codec instance in order to clear
@@ -1128,10 +1163,10 @@ static int aic3x_set_power(struct snd_soc_codec *codec, int power)
* remain on
*/
snd_soc_write(codec, AIC3X_RESET, SOFT_RESET);
- regcache_mark_dirty(aic3x->regmap);
+ codec->cache_sync = 1;
aic3x->power = 0;
/* HW writes are needless when bias is off */
- regcache_cache_only(aic3x->regmap, true);
+ codec->cache_only = 1;
ret = regulator_bulk_disable(ARRAY_SIZE(aic3x->supplies),
aic3x->supplies);
}
@@ -1286,6 +1321,7 @@ static int aic3x_init(struct snd_soc_codec *codec)
snd_soc_write(codec, LINE2R_2_MONOLOPM_VOL, DEFAULT_VOL);
if (aic3x->model == AIC3X_MODEL_3007) {
+ aic3x_init_3007(codec);
snd_soc_write(codec, CLASSD_CTRL, 0);
}
@@ -1313,12 +1349,29 @@ static int aic3x_probe(struct snd_soc_codec *codec)
INIT_LIST_HEAD(&aic3x->list);
aic3x->codec = codec;
- ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
+ ret = snd_soc_codec_set_cache_io(codec, 8, 8, aic3x->control_type);
if (ret != 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
return ret;
}
+ if (gpio_is_valid(aic3x->gpio_reset) &&
+ !aic3x_is_shared_reset(aic3x)) {
+ ret = gpio_request(aic3x->gpio_reset, "tlv320aic3x reset");
+ if (ret != 0)
+ goto err_gpio;
+ gpio_direction_output(aic3x->gpio_reset, 0);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++)
+ aic3x->supplies[i].supply = aic3x_supply_names[i];
+
+ ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(aic3x->supplies),
+ aic3x->supplies);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
+ goto err_get;
+ }
for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++) {
aic3x->disable_nb[i].nb.notifier_call = aic3x_regulator_event;
aic3x->disable_nb[i].aic3x = aic3x;
@@ -1332,7 +1385,7 @@ static int aic3x_probe(struct snd_soc_codec *codec)
}
}
- regcache_mark_dirty(aic3x->regmap);
+ codec->cache_only = 1;
aic3x_init(codec);
if (aic3x->setup) {
@@ -1343,6 +1396,8 @@ static int aic3x_probe(struct snd_soc_codec *codec)
(aic3x->setup->gpio_func[1] & 0xf) << 4);
}
+ snd_soc_add_codec_controls(codec, aic3x_snd_controls,
+ ARRAY_SIZE(aic3x_snd_controls));
if (aic3x->model == AIC3X_MODEL_3007)
snd_soc_add_codec_controls(codec, &aic3x_classd_amp_gain_ctrl, 1);
@@ -1373,6 +1428,12 @@ err_notif:
while (i--)
regulator_unregister_notifier(aic3x->supplies[i].consumer,
&aic3x->disable_nb[i].nb);
+ regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies);
+err_get:
+ if (gpio_is_valid(aic3x->gpio_reset) &&
+ !aic3x_is_shared_reset(aic3x))
+ gpio_free(aic3x->gpio_reset);
+err_gpio:
return ret;
}
@@ -1383,9 +1444,15 @@ static int aic3x_remove(struct snd_soc_codec *codec)
aic3x_set_bias_level(codec, SND_SOC_BIAS_OFF);
list_del(&aic3x->list);
+ if (gpio_is_valid(aic3x->gpio_reset) &&
+ !aic3x_is_shared_reset(aic3x)) {
+ gpio_set_value(aic3x->gpio_reset, 0);
+ gpio_free(aic3x->gpio_reset);
+ }
for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++)
regulator_unregister_notifier(aic3x->supplies[i].consumer,
&aic3x->disable_nb[i].nb);
+ regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies);
return 0;
}
@@ -1393,16 +1460,13 @@ static int aic3x_remove(struct snd_soc_codec *codec)
static struct snd_soc_codec_driver soc_codec_dev_aic3x = {
.set_bias_level = aic3x_set_bias_level,
.idle_bias_off = true,
+ .reg_cache_size = ARRAY_SIZE(aic3x_reg),
+ .reg_word_size = sizeof(u8),
+ .reg_cache_default = aic3x_reg,
.probe = aic3x_probe,
.remove = aic3x_remove,
.suspend = aic3x_suspend,
.resume = aic3x_resume,
- .controls = aic3x_snd_controls,
- .num_controls = ARRAY_SIZE(aic3x_snd_controls),
- .dapm_widgets = aic3x_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(aic3x_dapm_widgets),
- .dapm_routes = intercon,
- .num_dapm_routes = ARRAY_SIZE(intercon),
};
/*
@@ -1419,16 +1483,6 @@ static const struct i2c_device_id aic3x_i2c_id[] = {
};
MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id);
-static const struct reg_default aic3007_class_d[] = {
- /* Class-D speaker driver init; datasheet p. 46 */
- { AIC3X_PAGE_SELECT, 0x0D },
- { 0xD, 0x0D },
- { 0x8, 0x5C },
- { 0x8, 0x5D },
- { 0x8, 0x5C },
- { AIC3X_PAGE_SELECT, 0x00 },
-};
-
/*
* If the i2c layer weren't so broken, we could pass this kind of data
* around
@@ -1440,7 +1494,7 @@ static int aic3x_i2c_probe(struct i2c_client *i2c,
struct aic3x_priv *aic3x;
struct aic3x_setup_data *ai3x_setup;
struct device_node *np = i2c->dev.of_node;
- int ret, i;
+ int ret;
u32 value;
aic3x = devm_kzalloc(&i2c->dev, sizeof(struct aic3x_priv), GFP_KERNEL);
@@ -1449,13 +1503,7 @@ static int aic3x_i2c_probe(struct i2c_client *i2c,
return -ENOMEM;
}
- aic3x->regmap = devm_regmap_init_i2c(i2c, &aic3x_regmap);
- if (IS_ERR(aic3x->regmap)) {
- ret = PTR_ERR(aic3x->regmap);
- return ret;
- }
-
- regcache_cache_only(aic3x->regmap, true);
+ aic3x->control_type = SND_SOC_I2C;
i2c_set_clientdata(i2c, aic3x);
if (pdata) {
@@ -1507,54 +1555,14 @@ static int aic3x_i2c_probe(struct i2c_client *i2c,
aic3x->model = id->driver_data;
- if (gpio_is_valid(aic3x->gpio_reset) &&
- !aic3x_is_shared_reset(aic3x)) {
- ret = gpio_request(aic3x->gpio_reset, "tlv320aic3x reset");
- if (ret != 0)
- goto err;
- gpio_direction_output(aic3x->gpio_reset, 0);
- }
-
- for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++)
- aic3x->supplies[i].supply = aic3x_supply_names[i];
-
- ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(aic3x->supplies),
- aic3x->supplies);
- if (ret != 0) {
- dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
- goto err_gpio;
- }
-
- if (aic3x->model == AIC3X_MODEL_3007) {
- ret = regmap_register_patch(aic3x->regmap, aic3007_class_d,
- ARRAY_SIZE(aic3007_class_d));
- if (ret != 0)
- dev_err(&i2c->dev, "Failed to init class D: %d\n",
- ret);
- }
-
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_aic3x, &aic3x_dai, 1);
return ret;
-
-err_gpio:
- if (gpio_is_valid(aic3x->gpio_reset) &&
- !aic3x_is_shared_reset(aic3x))
- gpio_free(aic3x->gpio_reset);
-err:
- return ret;
}
static int aic3x_i2c_remove(struct i2c_client *client)
{
- struct aic3x_priv *aic3x = i2c_get_clientdata(client);
-
snd_soc_unregister_codec(&client->dev);
- if (gpio_is_valid(aic3x->gpio_reset) &&
- !aic3x_is_shared_reset(aic3x)) {
- gpio_set_value(aic3x->gpio_reset, 0);
- gpio_free(aic3x->gpio_reset);
- }
return 0;
}
generated by cgit v0.10.2 at 2024-08-19 16:38:28 (GMT)