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Diffstat (limited to 'sound/soc/codecs/da7210.c')
-rw-r--r--sound/soc/codecs/da7210.c146
1 files changed, 108 insertions, 38 deletions
diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index ab38e93c3543..7843711729bc 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -17,6 +17,7 @@
#include <linux/delay.h>
#include <linux/i2c.h>
+#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/pcm.h>
@@ -626,41 +627,82 @@ static const struct snd_soc_dapm_route da7210_audio_map[] = {
/* Codec private data */
struct da7210_priv {
- enum snd_soc_control_type control_type;
+ struct regmap *regmap;
};
-/*
- * Register cache
- */
-static const u8 da7210_reg[] = {
- 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R0 - R7 */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, /* R8 - RF */
- 0x00, 0x00, 0x00, 0x00, 0x08, 0x10, 0x10, 0x54, /* R10 - R17 */
- 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R18 - R1F */
- 0x00, 0x00, 0x00, 0x02, 0x00, 0x76, 0x00, 0x00, /* R20 - R27 */
- 0x04, 0x00, 0x00, 0x30, 0x2A, 0x00, 0x40, 0x00, /* R28 - R2F */
- 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, /* R30 - R37 */
- 0x40, 0x00, 0x40, 0x00, 0x40, 0x00, 0x00, 0x00, /* R38 - R3F */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R40 - R4F */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R48 - R4F */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R50 - R57 */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R58 - R5F */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R60 - R67 */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R68 - R6F */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* R70 - R77 */
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x54, 0x00, /* R78 - R7F */
- 0x00, 0x00, 0x2C, 0x00, 0x00, 0x00, 0x00, 0x00, /* R80 - R87 */
- 0x00, /* R88 */
+static struct reg_default da7210_reg_defaults[] = {
+ { 0x01, 0x11 },
+ { 0x03, 0x00 },
+ { 0x04, 0x00 },
+ { 0x05, 0x00 },
+ { 0x06, 0x00 },
+ { 0x07, 0x00 },
+ { 0x08, 0x00 },
+ { 0x09, 0x00 },
+ { 0x0a, 0x00 },
+ { 0x0b, 0x00 },
+ { 0x0c, 0x00 },
+ { 0x0d, 0x00 },
+ { 0x0e, 0x00 },
+ { 0x0f, 0x08 },
+ { 0x10, 0x00 },
+ { 0x11, 0x00 },
+ { 0x12, 0x00 },
+ { 0x13, 0x00 },
+ { 0x14, 0x08 },
+ { 0x15, 0x10 },
+ { 0x16, 0x10 },
+ { 0x17, 0x54 },
+ { 0x18, 0x40 },
+ { 0x19, 0x00 },
+ { 0x1a, 0x00 },
+ { 0x1b, 0x00 },
+ { 0x1c, 0x00 },
+ { 0x1d, 0x00 },
+ { 0x1e, 0x00 },
+ { 0x1f, 0x00 },
+ { 0x20, 0x00 },
+ { 0x21, 0x00 },
+ { 0x22, 0x00 },
+ { 0x23, 0x02 },
+ { 0x24, 0x00 },
+ { 0x25, 0x76 },
+ { 0x26, 0x00 },
+ { 0x27, 0x00 },
+ { 0x28, 0x04 },
+ { 0x29, 0x00 },
+ { 0x2a, 0x00 },
+ { 0x2b, 0x30 },
+ { 0x2c, 0x2A },
+ { 0x83, 0x00 },
+ { 0x84, 0x00 },
+ { 0x85, 0x00 },
+ { 0x86, 0x00 },
+ { 0x87, 0x00 },
+ { 0x88, 0x00 },
};
-static int da7210_volatile_register(struct snd_soc_codec *codec,
+static bool da7210_readable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case DA7210_A_HID_UNLOCK:
+ case DA7210_A_TEST_UNLOCK:
+ case DA7210_A_PLL1:
+ case DA7210_A_CP_MODE:
+ return false;
+ default:
+ return true;
+ }
+}
+
+static bool da7210_volatile_register(struct device *dev,
unsigned int reg)
{
switch (reg) {
case DA7210_STATUS:
- return 1;
+ return true;
default:
- return 0;
+ return false;
}
}
@@ -866,7 +908,8 @@ static int da7210_probe(struct snd_soc_codec *codec)
dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION);
- ret = snd_soc_codec_set_cache_io(codec, 8, 8, da7210->control_type);
+ codec->control_data = da7210->regmap;
+ ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
if (ret < 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
return ret;
@@ -983,12 +1026,14 @@ static int da7210_probe(struct snd_soc_codec *codec)
snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_EN, DA7210_PLL_EN);
/* As suggested by Dialog */
- snd_soc_write(codec, DA7210_A_HID_UNLOCK, 0x8B); /* unlock */
- snd_soc_write(codec, DA7210_A_TEST_UNLOCK, 0xB4);
- snd_soc_write(codec, DA7210_A_PLL1, 0x01);
- snd_soc_write(codec, DA7210_A_CP_MODE, 0x7C);
- snd_soc_write(codec, DA7210_A_HID_UNLOCK, 0x00); /* re-lock */
- snd_soc_write(codec, DA7210_A_TEST_UNLOCK, 0x00);
+ /* unlock */
+ regmap_write(da7210->regmap, DA7210_A_HID_UNLOCK, 0x8B);
+ regmap_write(da7210->regmap, DA7210_A_TEST_UNLOCK, 0xB4);
+ regmap_write(da7210->regmap, DA7210_A_PLL1, 0x01);
+ regmap_write(da7210->regmap, DA7210_A_CP_MODE, 0x7C);
+ /* re-lock */
+ regmap_write(da7210->regmap, DA7210_A_HID_UNLOCK, 0x00);
+ regmap_write(da7210->regmap, DA7210_A_TEST_UNLOCK, 0x00);
/* Activate all enabled subsystem */
snd_soc_write(codec, DA7210_STARTUP1, DA7210_SC_MST_EN);
@@ -1000,10 +1045,6 @@ static int da7210_probe(struct snd_soc_codec *codec)
static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
.probe = da7210_probe,
- .reg_cache_size = ARRAY_SIZE(da7210_reg),
- .reg_word_size = sizeof(u8),
- .reg_cache_default = da7210_reg,
- .volatile_register = da7210_volatile_register,
.controls = da7210_snd_controls,
.num_controls = ARRAY_SIZE(da7210_snd_controls),
@@ -1014,6 +1055,17 @@ static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
.num_dapm_routes = ARRAY_SIZE(da7210_audio_map),
};
+static struct regmap_config da7210_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .reg_defaults = da7210_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(da7210_reg_defaults),
+ .volatile_reg = da7210_volatile_register,
+ .readable_reg = da7210_readable_register,
+ .cache_type = REGCACHE_RBTREE,
+};
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
static int __devinit da7210_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
@@ -1027,16 +1079,34 @@ static int __devinit da7210_i2c_probe(struct i2c_client *i2c,
return -ENOMEM;
i2c_set_clientdata(i2c, da7210);
- da7210->control_type = SND_SOC_I2C;
+
+ da7210->regmap = regmap_init_i2c(i2c, &da7210_regmap);
+ if (IS_ERR(da7210->regmap)) {
+ ret = PTR_ERR(da7210->regmap);
+ dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
+ return ret;
+ }
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_da7210, &da7210_dai, 1);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "Failed to register codec: %d\n", ret);
+ goto err_regmap;
+ }
+ return ret;
+
+err_regmap:
+ regmap_exit(da7210->regmap);
+
return ret;
}
static int __devexit da7210_i2c_remove(struct i2c_client *client)
{
+ struct da7210_priv *da7210 = i2c_get_clientdata(client);
+
snd_soc_unregister_codec(&client->dev);
+ regmap_exit(da7210->regmap);
return 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.