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Diffstat (limited to 'sound/soc/codecs/wm8741.c')
-rw-r--r--sound/soc/codecs/wm8741.c207
1 files changed, 107 insertions, 100 deletions
diff --git a/sound/soc/codecs/wm8741.c b/sound/soc/codecs/wm8741.c
index b8c1940f2243..4dfbb33edb09 100644
--- a/sound/soc/codecs/wm8741.c
+++ b/sound/soc/codecs/wm8741.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* wm8741.c -- WM8741 ALSA SoC Audio driver
*
* Copyright 2010-1 Wolfson Microelectronics plc
*
* Author: Ian Lartey <ian@opensource.wolfsonmicro.com>
- *
- *
- * 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>
@@ -18,10 +14,10 @@
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>
+#include <linux/of.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
-#include <linux/of_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -59,9 +55,9 @@ static const struct reg_default wm8741_reg_defaults[] = {
{ 32, 0x0002 }, /* R32 - ADDITONAL_CONTROL_1 */
};
-static int wm8741_reset(struct snd_soc_codec *codec)
+static int wm8741_reset(struct snd_soc_component *component)
{
- return snd_soc_write(codec, WM8741_RESET, 0);
+ return snd_soc_component_write(component, WM8741_RESET, 0);
}
static const DECLARE_TLV_DB_SCALE(dac_tlv_fine, -12700, 13, 0);
@@ -179,8 +175,8 @@ static const struct snd_pcm_hw_constraint_list constraints_36864 = {
static int wm8741_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_codec *codec = dai->codec;
- struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = dai->component;
+ struct wm8741_priv *wm8741 = snd_soc_component_get_drvdata(component);
if (wm8741->sysclk)
snd_pcm_hw_constraint_list(substream->runtime, 0,
@@ -194,16 +190,16 @@ static int wm8741_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 wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
- u16 iface = snd_soc_read(codec, WM8741_FORMAT_CONTROL) & 0x1FC;
+ struct snd_soc_component *component = dai->component;
+ struct wm8741_priv *wm8741 = snd_soc_component_get_drvdata(component);
+ unsigned int iface, mode;
int i;
/* The set of sample rates that can be supported depends on the
* MCLK supplied to the CODEC - enforce this.
*/
if (!wm8741->sysclk) {
- dev_err(codec->dev,
+ dev_err(component->dev,
"No MCLK configured, call set_sysclk() on init or in hw_params\n");
return -EINVAL;
}
@@ -215,7 +211,7 @@ static int wm8741_hw_params(struct snd_pcm_substream *substream,
}
if (i == wm8741->sysclk_constraints->count) {
- dev_err(codec->dev, "LRCLK %d unsupported with MCLK %d\n",
+ dev_err(component->dev, "LRCLK %d unsupported with MCLK %d\n",
params_rate(params), wm8741->sysclk);
return -EINVAL;
}
@@ -223,36 +219,49 @@ static int wm8741_hw_params(struct snd_pcm_substream *substream,
/* bit size */
switch (params_width(params)) {
case 16:
+ iface = 0x0;
break;
case 20:
- iface |= 0x0001;
+ iface = 0x1;
break;
case 24:
- iface |= 0x0002;
+ iface = 0x2;
break;
case 32:
- iface |= 0x0003;
+ iface = 0x3;
break;
default:
- dev_dbg(codec->dev, "wm8741_hw_params: Unsupported bit size param = %d",
+ dev_dbg(component->dev, "wm8741_hw_params: Unsupported bit size param = %d",
params_width(params));
return -EINVAL;
}
- dev_dbg(codec->dev, "wm8741_hw_params: bit size param = %d, rate param = %d",
+ /* oversampling rate */
+ if (params_rate(params) > 96000)
+ mode = 0x40;
+ else if (params_rate(params) > 48000)
+ mode = 0x20;
+ else
+ mode = 0x00;
+
+ dev_dbg(component->dev, "wm8741_hw_params: bit size param = %d, rate param = %d",
params_width(params), params_rate(params));
- snd_soc_write(codec, WM8741_FORMAT_CONTROL, iface);
+ snd_soc_component_update_bits(component, WM8741_FORMAT_CONTROL, WM8741_IWL_MASK,
+ iface);
+ snd_soc_component_update_bits(component, WM8741_MODE_CONTROL_1, WM8741_OSR_MASK,
+ mode);
+
return 0;
}
static int wm8741_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 wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = codec_dai->component;
+ struct wm8741_priv *wm8741 = snd_soc_component_get_drvdata(component);
- dev_dbg(codec->dev, "wm8741_set_dai_sysclk info: freq=%dHz\n", freq);
+ dev_dbg(component->dev, "wm8741_set_dai_sysclk info: freq=%dHz\n", freq);
switch (freq) {
case 0:
@@ -294,12 +303,12 @@ static int wm8741_set_dai_sysclk(struct snd_soc_dai *codec_dai,
static int wm8741_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
- u16 iface = snd_soc_read(codec, WM8741_FORMAT_CONTROL) & 0x1C3;
+ struct snd_soc_component *component = codec_dai->component;
+ unsigned int iface;
/* check master/slave audio interface */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBS_CFS:
+ case SND_SOC_DAIFMT_CBC_CFC:
break;
default:
return -EINVAL;
@@ -308,18 +317,19 @@ static int wm8741_set_dai_fmt(struct snd_soc_dai *codec_dai,
/* interface format */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
- iface |= 0x0008;
+ iface = 0x08;
break;
case SND_SOC_DAIFMT_RIGHT_J:
+ iface = 0x00;
break;
case SND_SOC_DAIFMT_LEFT_J:
- iface |= 0x0004;
+ iface = 0x04;
break;
case SND_SOC_DAIFMT_DSP_A:
- iface |= 0x000C;
+ iface = 0x0C;
break;
case SND_SOC_DAIFMT_DSP_B:
- iface |= 0x001C;
+ iface = 0x1C;
break;
default:
return -EINVAL;
@@ -329,25 +339,37 @@ static int wm8741_set_dai_fmt(struct snd_soc_dai *codec_dai,
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
break;
- case SND_SOC_DAIFMT_IB_IF:
- iface |= 0x0010;
+ case SND_SOC_DAIFMT_NB_IF:
+ iface |= 0x10;
break;
case SND_SOC_DAIFMT_IB_NF:
- iface |= 0x0020;
+ iface |= 0x20;
break;
- case SND_SOC_DAIFMT_NB_IF:
- iface |= 0x0030;
+ case SND_SOC_DAIFMT_IB_IF:
+ iface |= 0x30;
break;
default:
return -EINVAL;
}
- dev_dbg(codec->dev, "wm8741_set_dai_fmt: Format=%x, Clock Inv=%x\n",
+ dev_dbg(component->dev, "wm8741_set_dai_fmt: Format=%x, Clock Inv=%x\n",
fmt & SND_SOC_DAIFMT_FORMAT_MASK,
((fmt & SND_SOC_DAIFMT_INV_MASK)));
- snd_soc_write(codec, WM8741_FORMAT_CONTROL, iface);
+ snd_soc_component_update_bits(component, WM8741_FORMAT_CONTROL,
+ WM8741_BCP_MASK | WM8741_LRP_MASK | WM8741_FMT_MASK,
+ iface);
+
+ return 0;
+}
+
+static int wm8741_mute(struct snd_soc_dai *codec_dai, int mute, int direction)
+{
+ struct snd_soc_component *component = codec_dai->component;
+
+ snd_soc_component_update_bits(component, WM8741_VOLUME_CONTROL,
+ WM8741_SOFT_MASK, !!mute << WM8741_SOFT_SHIFT);
return 0;
}
@@ -364,6 +386,8 @@ static const struct snd_soc_dai_ops wm8741_dai_ops = {
.hw_params = wm8741_hw_params,
.set_sysclk = wm8741_set_dai_sysclk,
.set_fmt = wm8741_set_dai_fmt,
+ .mute_stream = wm8741_mute,
+ .no_capture_mute = 1,
};
static struct snd_soc_dai_driver wm8741_dai = {
@@ -379,18 +403,18 @@ static struct snd_soc_dai_driver wm8741_dai = {
};
#ifdef CONFIG_PM
-static int wm8741_resume(struct snd_soc_codec *codec)
+static int wm8741_resume(struct snd_soc_component *component)
{
- snd_soc_cache_sync(codec);
+ snd_soc_component_cache_sync(component);
return 0;
}
#else
#define wm8741_resume NULL
#endif
-static int wm8741_configure(struct snd_soc_codec *codec)
+static int wm8741_configure(struct snd_soc_component *component)
{
- struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
+ struct wm8741_priv *wm8741 = snd_soc_component_get_drvdata(component);
/* Configure differential mode */
switch (wm8741->pdata.diff_mode) {
@@ -398,7 +422,7 @@ static int wm8741_configure(struct snd_soc_codec *codec)
case WM8741_DIFF_MODE_STEREO_REVERSED:
case WM8741_DIFF_MODE_MONO_LEFT:
case WM8741_DIFF_MODE_MONO_RIGHT:
- snd_soc_update_bits(codec, WM8741_MODE_CONTROL_2,
+ snd_soc_component_update_bits(component, WM8741_MODE_CONTROL_2,
WM8741_DIFF_MASK,
wm8741->pdata.diff_mode << WM8741_DIFF_SHIFT);
break;
@@ -407,36 +431,36 @@ static int wm8741_configure(struct snd_soc_codec *codec)
}
/* Change some default settings - latch VU */
- snd_soc_update_bits(codec, WM8741_DACLLSB_ATTENUATION,
+ snd_soc_component_update_bits(component, WM8741_DACLLSB_ATTENUATION,
WM8741_UPDATELL, WM8741_UPDATELL);
- snd_soc_update_bits(codec, WM8741_DACLMSB_ATTENUATION,
+ snd_soc_component_update_bits(component, WM8741_DACLMSB_ATTENUATION,
WM8741_UPDATELM, WM8741_UPDATELM);
- snd_soc_update_bits(codec, WM8741_DACRLSB_ATTENUATION,
+ snd_soc_component_update_bits(component, WM8741_DACRLSB_ATTENUATION,
WM8741_UPDATERL, WM8741_UPDATERL);
- snd_soc_update_bits(codec, WM8741_DACRMSB_ATTENUATION,
+ snd_soc_component_update_bits(component, WM8741_DACRMSB_ATTENUATION,
WM8741_UPDATERM, WM8741_UPDATERM);
return 0;
}
-static int wm8741_add_controls(struct snd_soc_codec *codec)
+static int wm8741_add_controls(struct snd_soc_component *component)
{
- struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
+ struct wm8741_priv *wm8741 = snd_soc_component_get_drvdata(component);
switch (wm8741->pdata.diff_mode) {
case WM8741_DIFF_MODE_STEREO:
case WM8741_DIFF_MODE_STEREO_REVERSED:
- snd_soc_add_codec_controls(codec,
+ snd_soc_add_component_controls(component,
wm8741_snd_controls_stereo,
ARRAY_SIZE(wm8741_snd_controls_stereo));
break;
case WM8741_DIFF_MODE_MONO_LEFT:
- snd_soc_add_codec_controls(codec,
+ snd_soc_add_component_controls(component,
wm8741_snd_controls_mono_left,
ARRAY_SIZE(wm8741_snd_controls_mono_left));
break;
case WM8741_DIFF_MODE_MONO_RIGHT:
- snd_soc_add_codec_controls(codec,
+ snd_soc_add_component_controls(component,
wm8741_snd_controls_mono_right,
ARRAY_SIZE(wm8741_snd_controls_mono_right));
break;
@@ -447,37 +471,37 @@ static int wm8741_add_controls(struct snd_soc_codec *codec)
return 0;
}
-static int wm8741_probe(struct snd_soc_codec *codec)
+static int wm8741_probe(struct snd_soc_component *component)
{
- struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
+ struct wm8741_priv *wm8741 = snd_soc_component_get_drvdata(component);
int ret = 0;
ret = regulator_bulk_enable(ARRAY_SIZE(wm8741->supplies),
wm8741->supplies);
if (ret != 0) {
- dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
+ dev_err(component->dev, "Failed to enable supplies: %d\n", ret);
goto err_get;
}
- ret = wm8741_reset(codec);
+ ret = wm8741_reset(component);
if (ret < 0) {
- dev_err(codec->dev, "Failed to issue reset\n");
+ dev_err(component->dev, "Failed to issue reset\n");
goto err_enable;
}
- ret = wm8741_configure(codec);
+ ret = wm8741_configure(component);
if (ret < 0) {
- dev_err(codec->dev, "Failed to change default settings\n");
+ dev_err(component->dev, "Failed to change default settings\n");
goto err_enable;
}
- ret = wm8741_add_controls(codec);
+ ret = wm8741_add_controls(component);
if (ret < 0) {
- dev_err(codec->dev, "Failed to add controls\n");
+ dev_err(component->dev, "Failed to add controls\n");
goto err_enable;
}
- dev_dbg(codec->dev, "Successful registration\n");
+ dev_dbg(component->dev, "Successful registration\n");
return ret;
err_enable:
@@ -486,26 +510,24 @@ err_get:
return ret;
}
-static int wm8741_remove(struct snd_soc_codec *codec)
+static void wm8741_remove(struct snd_soc_component *component)
{
- struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
+ struct wm8741_priv *wm8741 = snd_soc_component_get_drvdata(component);
regulator_bulk_disable(ARRAY_SIZE(wm8741->supplies), wm8741->supplies);
-
- return 0;
}
-static const struct snd_soc_codec_driver soc_codec_dev_wm8741 = {
- .probe = wm8741_probe,
- .remove = wm8741_remove,
- .resume = wm8741_resume,
-
- .component_driver = {
- .dapm_widgets = wm8741_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(wm8741_dapm_widgets),
- .dapm_routes = wm8741_dapm_routes,
- .num_dapm_routes = ARRAY_SIZE(wm8741_dapm_routes),
- },
+static const struct snd_soc_component_driver soc_component_dev_wm8741 = {
+ .probe = wm8741_probe,
+ .remove = wm8741_remove,
+ .resume = wm8741_resume,
+ .dapm_widgets = wm8741_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(wm8741_dapm_widgets),
+ .dapm_routes = wm8741_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(wm8741_dapm_routes),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
};
static const struct of_device_id wm8741_of_match[] = {
@@ -521,7 +543,7 @@ static const struct regmap_config wm8741_regmap = {
.reg_defaults = wm8741_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(wm8741_reg_defaults),
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};
static int wm8741_set_pdata(struct device *dev, struct wm8741_priv *wm8741)
@@ -542,8 +564,7 @@ static int wm8741_set_pdata(struct device *dev, struct wm8741_priv *wm8741)
}
#if IS_ENABLED(CONFIG_I2C)
-static int wm8741_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static int wm8741_i2c_probe(struct i2c_client *i2c)
{
struct wm8741_priv *wm8741;
int ret, i;
@@ -578,20 +599,14 @@ static int wm8741_i2c_probe(struct i2c_client *i2c,
i2c_set_clientdata(i2c, wm8741);
- ret = snd_soc_register_codec(&i2c->dev,
- &soc_codec_dev_wm8741, &wm8741_dai, 1);
+ ret = devm_snd_soc_register_component(&i2c->dev,
+ &soc_component_dev_wm8741, &wm8741_dai, 1);
return ret;
}
-static int wm8741_i2c_remove(struct i2c_client *client)
-{
- snd_soc_unregister_codec(&client->dev);
- return 0;
-}
-
static const struct i2c_device_id wm8741_i2c_id[] = {
- { "wm8741", 0 },
+ { "wm8741" },
{ }
};
MODULE_DEVICE_TABLE(i2c, wm8741_i2c_id);
@@ -601,8 +616,7 @@ static struct i2c_driver wm8741_i2c_driver = {
.name = "wm8741",
.of_match_table = wm8741_of_match,
},
- .probe = wm8741_i2c_probe,
- .remove = wm8741_i2c_remove,
+ .probe = wm8741_i2c_probe,
.id_table = wm8741_i2c_id,
};
#endif
@@ -643,24 +657,17 @@ static int wm8741_spi_probe(struct spi_device *spi)
spi_set_drvdata(spi, wm8741);
- ret = snd_soc_register_codec(&spi->dev,
- &soc_codec_dev_wm8741, &wm8741_dai, 1);
+ ret = devm_snd_soc_register_component(&spi->dev,
+ &soc_component_dev_wm8741, &wm8741_dai, 1);
return ret;
}
-static int wm8741_spi_remove(struct spi_device *spi)
-{
- snd_soc_unregister_codec(&spi->dev);
- return 0;
-}
-
static struct spi_driver wm8741_spi_driver = {
.driver = {
.name = "wm8741",
.of_match_table = wm8741_of_match,
},
.probe = wm8741_spi_probe,
- .remove = wm8741_spi_remove,
};
#endif /* CONFIG_SPI_MASTER */
generated by cgit (git 2.34.1) at 2025-12-26 07:31:43 +0000