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Diffstat (limited to 'sound/soc/codecs/ak4641.c')
-rw-r--r--sound/soc/codecs/ak4641.c222
1 files changed, 106 insertions, 116 deletions
diff --git a/sound/soc/codecs/ak4641.c b/sound/soc/codecs/ak4641.c
index 5f9af1fb76e8..9db8cdb26d33 100644
--- a/sound/soc/codecs/ak4641.c
+++ b/sound/soc/codecs/ak4641.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ak4641.c -- AK4641 ALSA Soc Audio driver
*
@@ -5,10 +6,6 @@
* Copyright (C) 2011 Dmitry Artamonow <mad_soft@inbox.ru>
*
* Based on ak4535.c by Richard Purdie
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/module.h>
@@ -17,6 +14,7 @@
#include <linux/gpio.h>
#include <linux/pm.h>
#include <linux/i2c.h>
+#include <linux/regmap.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -26,10 +24,31 @@
#include <sound/tlv.h>
#include <sound/ak4641.h>
-#include "ak4641.h"
+/* AK4641 register space */
+#define AK4641_PM1 0x00
+#define AK4641_PM2 0x01
+#define AK4641_SIG1 0x02
+#define AK4641_SIG2 0x03
+#define AK4641_MODE1 0x04
+#define AK4641_MODE2 0x05
+#define AK4641_DAC 0x06
+#define AK4641_MIC 0x07
+#define AK4641_TIMER 0x08
+#define AK4641_ALC1 0x09
+#define AK4641_ALC2 0x0a
+#define AK4641_PGA 0x0b
+#define AK4641_LATT 0x0c
+#define AK4641_RATT 0x0d
+#define AK4641_VOL 0x0e
+#define AK4641_STATUS 0x0f
+#define AK4641_EQLO 0x10
+#define AK4641_EQMID 0x11
+#define AK4641_EQHI 0x12
+#define AK4641_BTIF 0x13
/* codec private data */
struct ak4641_priv {
+ struct regmap *regmap;
unsigned int sysclk;
int deemph;
int playback_fs;
@@ -38,19 +57,19 @@ struct ak4641_priv {
/*
* ak4641 register cache
*/
-static const u8 ak4641_reg[AK4641_CACHEREGNUM] = {
- 0x00, 0x80, 0x00, 0x80,
- 0x02, 0x00, 0x11, 0x05,
- 0x00, 0x00, 0x36, 0x10,
- 0x00, 0x00, 0x57, 0x00,
- 0x88, 0x88, 0x08, 0x08
+static const struct reg_default ak4641_reg_defaults[] = {
+ { 0, 0x00 }, { 1, 0x80 }, { 2, 0x00 }, { 3, 0x80 },
+ { 4, 0x02 }, { 5, 0x00 }, { 6, 0x11 }, { 7, 0x05 },
+ { 8, 0x00 }, { 9, 0x00 }, { 10, 0x36 }, { 11, 0x10 },
+ { 12, 0x00 }, { 13, 0x00 }, { 14, 0x57 }, { 15, 0x00 },
+ { 16, 0x88 }, { 17, 0x88 }, { 18, 0x08 }, { 19, 0x08 }
};
static const int deemph_settings[] = {44100, 0, 48000, 32000};
-static int ak4641_set_deemph(struct snd_soc_codec *codec)
+static int ak4641_set_deemph(struct snd_soc_component *component)
{
- struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec);
+ struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component);
int i, best = 0;
for (i = 0 ; i < ARRAY_SIZE(deemph_settings); i++) {
@@ -64,33 +83,33 @@ static int ak4641_set_deemph(struct snd_soc_codec *codec)
best = i;
}
- dev_dbg(codec->dev, "Set deemphasis %d\n", best);
+ dev_dbg(component->dev, "Set deemphasis %d\n", best);
- return snd_soc_update_bits(codec, AK4641_DAC, 0x3, best);
+ return snd_soc_component_update_bits(component, AK4641_DAC, 0x3, best);
}
static int ak4641_put_deemph(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec);
- int deemph = ucontrol->value.enumerated.item[0];
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component);
+ int deemph = ucontrol->value.integer.value[0];
if (deemph > 1)
return -EINVAL;
ak4641->deemph = deemph;
- return ak4641_set_deemph(codec);
+ return ak4641_set_deemph(component);
}
static int ak4641_get_deemph(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component);
- ucontrol->value.enumerated.item[0] = ak4641->deemph;
+ ucontrol->value.integer.value[0] = ak4641->deemph;
return 0;
};
@@ -111,14 +130,14 @@ static const DECLARE_TLV_DB_SCALE(alc_tlv, -800, 50, 0);
static const DECLARE_TLV_DB_SCALE(aux_in_tlv, -2100, 300, 0);
-static const struct soc_enum ak4641_mono_out_enum =
- SOC_ENUM_SINGLE(AK4641_SIG1, 6, 2, ak4641_mono_out);
-static const struct soc_enum ak4641_hp_out_enum =
- SOC_ENUM_SINGLE(AK4641_MODE2, 2, 2, ak4641_hp_out);
-static const struct soc_enum ak4641_mic_select_enum =
- SOC_ENUM_SINGLE(AK4641_MIC, 1, 2, ak4641_mic_select);
-static const struct soc_enum ak4641_mic_or_dac_enum =
- SOC_ENUM_SINGLE(AK4641_BTIF, 4, 2, ak4641_mic_or_dac);
+static SOC_ENUM_SINGLE_DECL(ak4641_mono_out_enum,
+ AK4641_SIG1, 6, ak4641_mono_out);
+static SOC_ENUM_SINGLE_DECL(ak4641_hp_out_enum,
+ AK4641_MODE2, 2, ak4641_hp_out);
+static SOC_ENUM_SINGLE_DECL(ak4641_mic_select_enum,
+ AK4641_MIC, 1, ak4641_mic_select);
+static SOC_ENUM_SINGLE_DECL(ak4641_mic_or_dac_enum,
+ AK4641_BTIF, 4, ak4641_mic_or_dac);
static const struct snd_kcontrol_new ak4641_snd_controls[] = {
SOC_ENUM("Mono 1 Output", ak4641_mono_out_enum),
@@ -285,8 +304,8 @@ static const struct snd_soc_dapm_route ak4641_audio_map[] = {
static int ak4641_set_dai_sysclk(struct snd_soc_dai *codec_dai,
int clk_id, unsigned int freq, int dir)
{
- struct snd_soc_codec *codec = codec_dai->codec;
- struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = codec_dai->component;
+ struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component);
ak4641->sysclk = freq;
return 0;
@@ -296,8 +315,8 @@ static int ak4641_i2s_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_codec *codec = dai->codec;
- struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = dai->component;
+ struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component);
int rate = params_rate(params), fs = 256;
u8 mode2;
@@ -318,17 +337,17 @@ static int ak4641_i2s_hw_params(struct snd_pcm_substream *substream,
mode2 = (0x0 << 5);
break;
default:
- dev_err(codec->dev, "Error: unsupported fs=%d\n", fs);
+ dev_err(component->dev, "Error: unsupported fs=%d\n", fs);
return -EINVAL;
}
- snd_soc_update_bits(codec, AK4641_MODE2, (0x3 << 5), mode2);
+ snd_soc_component_update_bits(component, AK4641_MODE2, (0x3 << 5), mode2);
/* Update de-emphasis filter for the new rate */
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
ak4641->playback_fs = rate;
- ak4641_set_deemph(codec);
- };
+ ak4641_set_deemph(component);
+ }
return 0;
}
@@ -336,7 +355,7 @@ static int ak4641_i2s_hw_params(struct snd_pcm_substream *substream,
static int ak4641_pcm_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
+ struct snd_soc_component *component = codec_dai->component;
u8 btif;
int ret;
@@ -358,7 +377,7 @@ static int ak4641_pcm_set_dai_fmt(struct snd_soc_dai *codec_dai,
return -EINVAL;
}
- ret = snd_soc_update_bits(codec, AK4641_BTIF, (0x3 << 5), btif);
+ ret = snd_soc_component_update_bits(component, AK4641_BTIF, (0x3 << 5), btif);
if (ret < 0)
return ret;
@@ -368,7 +387,7 @@ static int ak4641_pcm_set_dai_fmt(struct snd_soc_dai *codec_dai,
static int ak4641_i2s_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
+ struct snd_soc_component *component = codec_dai->component;
u8 mode1 = 0;
/* interface format */
@@ -383,33 +402,35 @@ static int ak4641_i2s_set_dai_fmt(struct snd_soc_dai *codec_dai,
return -EINVAL;
}
- return snd_soc_write(codec, AK4641_MODE1, mode1);
+ return snd_soc_component_write(component, AK4641_MODE1, mode1);
}
-static int ak4641_mute(struct snd_soc_dai *dai, int mute)
+static int ak4641_mute(struct snd_soc_dai *dai, int mute, int direction)
{
- struct snd_soc_codec *codec = dai->codec;
+ struct snd_soc_component *component = dai->component;
- return snd_soc_update_bits(codec, AK4641_DAC, 0x20, mute ? 0x20 : 0);
+ return snd_soc_component_update_bits(component, AK4641_DAC, 0x20, mute ? 0x20 : 0);
}
-static int ak4641_set_bias_level(struct snd_soc_codec *codec,
+static int ak4641_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
- struct ak4641_platform_data *pdata = codec->dev->platform_data;
+ struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
+ struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component);
+ struct ak4641_platform_data *pdata = component->dev->platform_data;
int ret;
switch (level) {
case SND_SOC_BIAS_ON:
/* unmute */
- snd_soc_update_bits(codec, AK4641_DAC, 0x20, 0);
+ snd_soc_component_update_bits(component, AK4641_DAC, 0x20, 0);
break;
case SND_SOC_BIAS_PREPARE:
/* mute */
- snd_soc_update_bits(codec, AK4641_DAC, 0x20, 0x20);
+ snd_soc_component_update_bits(component, AK4641_DAC, 0x20, 0x20);
break;
case SND_SOC_BIAS_STANDBY:
- if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) {
if (pdata && gpio_is_valid(pdata->gpio_power))
gpio_set_value(pdata->gpio_power, 1);
mdelay(1);
@@ -417,26 +438,25 @@ static int ak4641_set_bias_level(struct snd_soc_codec *codec,
gpio_set_value(pdata->gpio_npdn, 1);
mdelay(1);
- ret = snd_soc_cache_sync(codec);
+ ret = regcache_sync(ak4641->regmap);
if (ret) {
- dev_err(codec->dev,
+ dev_err(component->dev,
"Failed to sync cache: %d\n", ret);
return ret;
}
}
- snd_soc_update_bits(codec, AK4641_PM1, 0x80, 0x80);
- snd_soc_update_bits(codec, AK4641_PM2, 0x80, 0);
+ snd_soc_component_update_bits(component, AK4641_PM1, 0x80, 0x80);
+ snd_soc_component_update_bits(component, AK4641_PM2, 0x80, 0);
break;
case SND_SOC_BIAS_OFF:
- snd_soc_update_bits(codec, AK4641_PM1, 0x80, 0);
+ snd_soc_component_update_bits(component, AK4641_PM1, 0x80, 0);
if (pdata && gpio_is_valid(pdata->gpio_npdn))
gpio_set_value(pdata->gpio_npdn, 0);
if (pdata && gpio_is_valid(pdata->gpio_power))
gpio_set_value(pdata->gpio_power, 0);
- codec->cache_sync = 1;
+ regcache_mark_dirty(ak4641->regmap);
break;
}
- codec->dapm.bias_level = level;
return 0;
}
@@ -448,15 +468,17 @@ static int ak4641_set_bias_level(struct snd_soc_codec *codec,
static const struct snd_soc_dai_ops ak4641_i2s_dai_ops = {
.hw_params = ak4641_i2s_hw_params,
.set_fmt = ak4641_i2s_set_dai_fmt,
- .digital_mute = ak4641_mute,
+ .mute_stream = ak4641_mute,
.set_sysclk = ak4641_set_dai_sysclk,
+ .no_capture_mute = 1,
};
static const struct snd_soc_dai_ops ak4641_pcm_dai_ops = {
.hw_params = NULL, /* rates are controlled by BT chip */
.set_fmt = ak4641_pcm_set_dai_fmt,
- .digital_mute = ak4641_mute,
+ .mute_stream = ak4641_mute,
.set_sysclk = ak4641_set_dai_sysclk,
+ .no_capture_mute = 1,
};
static struct snd_soc_dai_driver ak4641_dai[] = {
@@ -478,7 +500,7 @@ static struct snd_soc_dai_driver ak4641_dai[] = {
.formats = AK4641_FORMATS,
},
.ops = &ak4641_i2s_dai_ops,
- .symmetric_rates = 1,
+ .symmetric_rate = 1,
},
{
.name = "ak4641-voice",
@@ -498,51 +520,11 @@ static struct snd_soc_dai_driver ak4641_dai[] = {
.formats = AK4641_FORMATS,
},
.ops = &ak4641_pcm_dai_ops,
- .symmetric_rates = 1,
+ .symmetric_rate = 1,
},
};
-static int ak4641_suspend(struct snd_soc_codec *codec)
-{
- ak4641_set_bias_level(codec, SND_SOC_BIAS_OFF);
- return 0;
-}
-
-static int ak4641_resume(struct snd_soc_codec *codec)
-{
- ak4641_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- return 0;
-}
-
-static int ak4641_probe(struct snd_soc_codec *codec)
-{
- int ret;
-
- 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: %d\n", ret);
- return ret;
- }
-
- /* power on device */
- ak4641_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
- return 0;
-}
-
-static int ak4641_remove(struct snd_soc_codec *codec)
-{
- ak4641_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
- return 0;
-}
-
-
-static struct snd_soc_codec_driver soc_codec_dev_ak4641 = {
- .probe = ak4641_probe,
- .remove = ak4641_remove,
- .suspend = ak4641_suspend,
- .resume = ak4641_resume,
+static const struct snd_soc_component_driver soc_component_dev_ak4641 = {
.controls = ak4641_snd_controls,
.num_controls = ARRAY_SIZE(ak4641_snd_controls),
.dapm_widgets = ak4641_dapm_widgets,
@@ -550,15 +532,23 @@ static struct snd_soc_codec_driver soc_codec_dev_ak4641 = {
.dapm_routes = ak4641_audio_map,
.num_dapm_routes = ARRAY_SIZE(ak4641_audio_map),
.set_bias_level = ak4641_set_bias_level,
- .reg_cache_size = ARRAY_SIZE(ak4641_reg),
- .reg_word_size = sizeof(u8),
- .reg_cache_default = ak4641_reg,
- .reg_cache_step = 1,
+ .suspend_bias_off = 1,
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
};
+static const struct regmap_config ak4641_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = AK4641_BTIF,
+ .reg_defaults = ak4641_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(ak4641_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
+};
-static int ak4641_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static int ak4641_i2c_probe(struct i2c_client *i2c)
{
struct ak4641_platform_data *pdata = i2c->dev.platform_data;
struct ak4641_priv *ak4641;
@@ -569,6 +559,10 @@ static int ak4641_i2c_probe(struct i2c_client *i2c,
if (!ak4641)
return -ENOMEM;
+ ak4641->regmap = devm_regmap_init_i2c(i2c, &ak4641_regmap);
+ if (IS_ERR(ak4641->regmap))
+ return PTR_ERR(ak4641->regmap);
+
if (pdata) {
if (gpio_is_valid(pdata->gpio_power)) {
ret = gpio_request_one(pdata->gpio_power,
@@ -589,7 +583,8 @@ static int ak4641_i2c_probe(struct i2c_client *i2c,
i2c_set_clientdata(i2c, ak4641);
- ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_ak4641,
+ ret = devm_snd_soc_register_component(&i2c->dev,
+ &soc_component_dev_ak4641,
ak4641_dai, ARRAY_SIZE(ak4641_dai));
if (ret != 0)
goto err_gpio2;
@@ -610,12 +605,10 @@ err_out:
return ret;
}
-static int ak4641_i2c_remove(struct i2c_client *i2c)
+static void ak4641_i2c_remove(struct i2c_client *i2c)
{
struct ak4641_platform_data *pdata = i2c->dev.platform_data;
- snd_soc_unregister_codec(&i2c->dev);
-
if (pdata) {
if (gpio_is_valid(pdata->gpio_power)) {
gpio_set_value(pdata->gpio_power, 0);
@@ -624,12 +617,10 @@ static int ak4641_i2c_remove(struct i2c_client *i2c)
if (gpio_is_valid(pdata->gpio_npdn))
gpio_free(pdata->gpio_npdn);
}
-
- return 0;
}
static const struct i2c_device_id ak4641_i2c_id[] = {
- { "ak4641", 0 },
+ { "ak4641" },
{ }
};
MODULE_DEVICE_TABLE(i2c, ak4641_i2c_id);
@@ -637,7 +628,6 @@ MODULE_DEVICE_TABLE(i2c, ak4641_i2c_id);
static struct i2c_driver ak4641_i2c_driver = {
.driver = {
.name = "ak4641",
- .owner = THIS_MODULE,
},
.probe = ak4641_i2c_probe,
.remove = ak4641_i2c_remove,
generated by cgit (git 2.34.1) at 2025-12-25 11:13:27 +0000