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Diffstat (limited to 'sound/soc/codecs/sta32x.c')
-rw-r--r--sound/soc/codecs/sta32x.c247
1 files changed, 132 insertions, 115 deletions
diff --git a/sound/soc/codecs/sta32x.c b/sound/soc/codecs/sta32x.c
index 0790ae8530d9..b9f9784f5164 100644
--- a/sound/soc/codecs/sta32x.c
+++ b/sound/soc/codecs/sta32x.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Codec driver for ST STA32x 2.1-channel high-efficiency digital audio system
*
@@ -9,11 +10,6 @@
* Mark Brown <broonie@opensource.wolfsonmicro.com>
* Freescale Semiconductor, Inc.
* Timur Tabi <timur@freescale.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ":%s:%d: " fmt, __func__, __LINE__
@@ -21,11 +17,11 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
+#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
-#include <linux/of_device.h>
-#include <linux/of_gpio.h>
+#include <linux/of.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/gpio/consumer.h>
@@ -51,12 +47,9 @@
SNDRV_PCM_RATE_192000)
#define STA32X_FORMATS \
- (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | \
- SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE | \
- SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE | \
- SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE | \
- SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE | \
- SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE)
+ (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE | \
+ SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
/* Power-up register defaults */
static const struct reg_default sta32x_regs[] = {
@@ -142,8 +135,9 @@ static const char *sta32x_supply_names[] = {
/* codec private data */
struct sta32x_priv {
struct regmap *regmap;
+ struct clk *xti_clk;
struct regulator_bulk_data supplies[ARRAY_SIZE(sta32x_supply_names)];
- struct snd_soc_codec *codec;
+ struct snd_soc_component *component;
struct sta32x_platform_data *pdata;
unsigned int mclk;
@@ -270,8 +264,8 @@ 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_soc_kcontrol_codec(kcontrol);
- struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct sta32x_priv *sta32x = snd_soc_component_get_drvdata(component);
int numcoef = kcontrol->private_value >> 16;
int index = kcontrol->private_value & 0xffff;
unsigned int cfud, val;
@@ -312,8 +306,8 @@ exit_unlock:
static int sta32x_coefficient_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
- struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct sta32x_priv *sta32x = snd_soc_component_get_drvdata(component);
int numcoef = kcontrol->private_value >> 16;
int index = kcontrol->private_value & 0xffff;
unsigned int cfud;
@@ -347,9 +341,9 @@ static int sta32x_coefficient_put(struct snd_kcontrol *kcontrol,
return 0;
}
-static int sta32x_sync_coef_shadow(struct snd_soc_codec *codec)
+static int sta32x_sync_coef_shadow(struct snd_soc_component *component)
{
- struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
+ struct sta32x_priv *sta32x = snd_soc_component_get_drvdata(component);
unsigned int cfud;
int i;
@@ -375,16 +369,16 @@ static int sta32x_sync_coef_shadow(struct snd_soc_codec *codec)
return 0;
}
-static int sta32x_cache_sync(struct snd_soc_codec *codec)
+static int sta32x_cache_sync(struct snd_soc_component *component)
{
- struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
+ struct sta32x_priv *sta32x = snd_soc_component_get_drvdata(component);
unsigned int mute;
int rc;
/* mute during register sync */
regmap_read(sta32x->regmap, STA32X_MMUTE, &mute);
regmap_write(sta32x->regmap, STA32X_MMUTE, mute | STA32X_MMUTE_MMUTE);
- sta32x_sync_coef_shadow(codec);
+ sta32x_sync_coef_shadow(component);
rc = regcache_sync(sta32x->regmap);
regmap_write(sta32x->regmap, STA32X_MMUTE, mute);
return rc;
@@ -395,17 +389,17 @@ static void sta32x_watchdog(struct work_struct *work)
{
struct sta32x_priv *sta32x = container_of(work, struct sta32x_priv,
watchdog_work.work);
- struct snd_soc_codec *codec = sta32x->codec;
+ struct snd_soc_component *component = sta32x->component;
unsigned int confa, confa_cached;
/* check if sta32x has reset itself */
- confa_cached = snd_soc_read(codec, STA32X_CONFA);
+ confa_cached = snd_soc_component_read(component, STA32X_CONFA);
regcache_cache_bypass(sta32x->regmap, true);
- confa = snd_soc_read(codec, STA32X_CONFA);
+ confa = snd_soc_component_read(component, STA32X_CONFA);
regcache_cache_bypass(sta32x->regmap, false);
if (confa != confa_cached) {
regcache_mark_dirty(sta32x->regmap);
- sta32x_cache_sync(codec);
+ sta32x_cache_sync(component);
}
if (!sta32x->shutdown)
@@ -582,10 +576,10 @@ static int mcs_ratio_table[3][7] = {
static int sta32x_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 sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = codec_dai->component;
+ struct sta32x_priv *sta32x = snd_soc_component_get_drvdata(component);
- dev_dbg(codec->dev, "mclk=%u\n", freq);
+ dev_dbg(component->dev, "mclk=%u\n", freq);
sta32x->mclk = freq;
return 0;
@@ -602,12 +596,12 @@ static int sta32x_set_dai_sysclk(struct snd_soc_dai *codec_dai,
static int sta32x_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
- struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = codec_dai->component;
+ struct sta32x_priv *sta32x = snd_soc_component_get_drvdata(component);
u8 confb = 0;
- switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBS_CFS:
+ switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+ case SND_SOC_DAIFMT_CBC_CFC:
break;
default:
return -EINVAL;
@@ -651,22 +645,22 @@ static int sta32x_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 sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = dai->component;
+ struct sta32x_priv *sta32x = snd_soc_component_get_drvdata(component);
int i, mcs = -EINVAL, ir = -EINVAL;
unsigned int confa, confb;
unsigned int rate, ratio;
int ret;
if (!sta32x->mclk) {
- dev_err(codec->dev,
+ dev_err(component->dev,
"sta32x->mclk is unset. Unable to determine ratio\n");
return -EIO;
}
rate = params_rate(params);
ratio = sta32x->mclk / rate;
- dev_dbg(codec->dev, "rate: %u, ratio: %u\n", rate, ratio);
+ dev_dbg(component->dev, "rate: %u, ratio: %u\n", rate, ratio);
for (i = 0; i < ARRAY_SIZE(interpolation_ratios); i++) {
if (interpolation_ratios[i].fs == rate) {
@@ -676,7 +670,7 @@ static int sta32x_hw_params(struct snd_pcm_substream *substream,
}
if (ir < 0) {
- dev_err(codec->dev, "Unsupported samplerate: %u\n", rate);
+ dev_err(component->dev, "Unsupported samplerate: %u\n", rate);
return -EINVAL;
}
@@ -688,7 +682,7 @@ static int sta32x_hw_params(struct snd_pcm_substream *substream,
}
if (mcs < 0) {
- dev_err(codec->dev, "Unresolvable ratio: %u\n", ratio);
+ dev_err(component->dev, "Unresolvable ratio: %u\n", ratio);
return -EINVAL;
}
@@ -698,10 +692,10 @@ static int sta32x_hw_params(struct snd_pcm_substream *substream,
switch (params_width(params)) {
case 24:
- dev_dbg(codec->dev, "24bit\n");
- /* fall through */
+ dev_dbg(component->dev, "24bit\n");
+ fallthrough;
case 32:
- dev_dbg(codec->dev, "24bit or 32bit\n");
+ dev_dbg(component->dev, "24bit or 32bit\n");
switch (sta32x->format) {
case SND_SOC_DAIFMT_I2S:
confb |= 0x0;
@@ -716,7 +710,7 @@ static int sta32x_hw_params(struct snd_pcm_substream *substream,
break;
case 20:
- dev_dbg(codec->dev, "20bit\n");
+ dev_dbg(component->dev, "20bit\n");
switch (sta32x->format) {
case SND_SOC_DAIFMT_I2S:
confb |= 0x4;
@@ -731,7 +725,7 @@ static int sta32x_hw_params(struct snd_pcm_substream *substream,
break;
case 18:
- dev_dbg(codec->dev, "18bit\n");
+ dev_dbg(component->dev, "18bit\n");
switch (sta32x->format) {
case SND_SOC_DAIFMT_I2S:
confb |= 0x8;
@@ -746,7 +740,7 @@ static int sta32x_hw_params(struct snd_pcm_substream *substream,
break;
case 16:
- dev_dbg(codec->dev, "16bit\n");
+ dev_dbg(component->dev, "16bit\n");
switch (sta32x->format) {
case SND_SOC_DAIFMT_I2S:
confb |= 0x0;
@@ -793,20 +787,21 @@ static int sta32x_startup_sequence(struct sta32x_priv *sta32x)
/**
* sta32x_set_bias_level - DAPM callback
- * @codec: the codec device
+ * @component: the component device
* @level: DAPM power level
*
- * This is called by ALSA to put the codec into low power mode
- * or to wake it up. If the codec is powered off completely
+ * This is called by ALSA to put the component into low power mode
+ * or to wake it up. If the component is powered off completely
* all registers must be restored after power on.
*/
-static int sta32x_set_bias_level(struct snd_soc_codec *codec,
+static int sta32x_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
int ret;
- struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
+ struct sta32x_priv *sta32x = snd_soc_component_get_drvdata(component);
+ struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
- dev_dbg(codec->dev, "level = %d\n", level);
+ dev_dbg(component->dev, "level = %d\n", level);
switch (level) {
case SND_SOC_BIAS_ON:
break;
@@ -819,17 +814,17 @@ static int sta32x_set_bias_level(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_STANDBY:
- if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
+ if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) {
ret = regulator_bulk_enable(ARRAY_SIZE(sta32x->supplies),
sta32x->supplies);
if (ret != 0) {
- dev_err(codec->dev,
+ dev_err(component->dev,
"Failed to enable supplies: %d\n", ret);
return ret;
}
sta32x_startup_sequence(sta32x);
- sta32x_cache_sync(codec);
+ sta32x_cache_sync(component);
sta32x_watchdog_start(sta32x);
}
@@ -847,8 +842,7 @@ static int sta32x_set_bias_level(struct snd_soc_codec *codec,
msleep(300);
sta32x_watchdog_stop(sta32x);
- if (sta32x->gpiod_nreset)
- gpiod_set_value(sta32x->gpiod_nreset, 0);
+ gpiod_set_value(sta32x->gpiod_nreset, 0);
regulator_bulk_disable(ARRAY_SIZE(sta32x->supplies),
sta32x->supplies);
@@ -875,22 +869,35 @@ static struct snd_soc_dai_driver sta32x_dai = {
.ops = &sta32x_dai_ops,
};
-static int sta32x_probe(struct snd_soc_codec *codec)
+static int sta32x_probe(struct snd_soc_component *component)
{
- struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
+ struct sta32x_priv *sta32x = snd_soc_component_get_drvdata(component);
struct sta32x_platform_data *pdata = sta32x->pdata;
int i, ret = 0, thermal = 0;
+
+ sta32x->component = component;
+
+ if (sta32x->xti_clk) {
+ ret = clk_prepare_enable(sta32x->xti_clk);
+ if (ret != 0) {
+ dev_err(component->dev,
+ "Failed to enable clock: %d\n", ret);
+ return ret;
+ }
+ }
+
ret = regulator_bulk_enable(ARRAY_SIZE(sta32x->supplies),
sta32x->supplies);
if (ret != 0) {
- dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
- return ret;
+ dev_err(component->dev, "Failed to enable supplies: %d\n", ret);
+ goto err_clk_disable_unprepare;
}
ret = sta32x_startup_sequence(sta32x);
if (ret < 0) {
- dev_err(codec->dev, "Failed to startup device\n");
- return ret;
+ dev_err(component->dev, "Failed to startup device\n");
+ goto err_regulator_bulk_disable;
}
/* CONFA */
@@ -969,36 +976,43 @@ static int sta32x_probe(struct snd_soc_codec *codec)
if (sta32x->pdata->needs_esd_watchdog)
INIT_DELAYED_WORK(&sta32x->watchdog_work, sta32x_watchdog);
- snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
+ snd_soc_dapm_force_bias_level(dapm, SND_SOC_BIAS_STANDBY);
/* Bias level configuration will have done an extra enable */
regulator_bulk_disable(ARRAY_SIZE(sta32x->supplies), sta32x->supplies);
return 0;
+
+err_regulator_bulk_disable:
+ regulator_bulk_disable(ARRAY_SIZE(sta32x->supplies), sta32x->supplies);
+err_clk_disable_unprepare:
+ clk_disable_unprepare(sta32x->xti_clk);
+ return ret;
}
-static int sta32x_remove(struct snd_soc_codec *codec)
+static void sta32x_remove(struct snd_soc_component *component)
{
- struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
+ struct sta32x_priv *sta32x = snd_soc_component_get_drvdata(component);
sta32x_watchdog_stop(sta32x);
regulator_bulk_disable(ARRAY_SIZE(sta32x->supplies), sta32x->supplies);
- return 0;
+ clk_disable_unprepare(sta32x->xti_clk);
}
-static const struct snd_soc_codec_driver sta32x_codec = {
- .probe = sta32x_probe,
- .remove = sta32x_remove,
- .set_bias_level = sta32x_set_bias_level,
- .suspend_bias_off = true,
- .component_driver = {
- .controls = sta32x_snd_controls,
- .num_controls = ARRAY_SIZE(sta32x_snd_controls),
- .dapm_widgets = sta32x_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(sta32x_dapm_widgets),
- .dapm_routes = sta32x_dapm_routes,
- .num_dapm_routes = ARRAY_SIZE(sta32x_dapm_routes),
- },
+static const struct snd_soc_component_driver sta32x_component = {
+ .probe = sta32x_probe,
+ .remove = sta32x_remove,
+ .set_bias_level = sta32x_set_bias_level,
+ .controls = sta32x_snd_controls,
+ .num_controls = ARRAY_SIZE(sta32x_snd_controls),
+ .dapm_widgets = sta32x_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(sta32x_dapm_widgets),
+ .dapm_routes = sta32x_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(sta32x_dapm_routes),
+ .suspend_bias_off = 1,
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
};
static const struct regmap_config sta32x_regmap = {
@@ -1007,7 +1021,7 @@ static const struct regmap_config sta32x_regmap = {
.max_register = STA32X_FDRC2,
.reg_defaults = sta32x_regs,
.num_reg_defaults = ARRAY_SIZE(sta32x_regs),
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.wr_table = &sta32x_write_regs,
.rd_table = &sta32x_read_regs,
.volatile_table = &sta32x_volatile_regs,
@@ -1039,33 +1053,32 @@ static int sta32x_probe_dt(struct device *dev, struct sta32x_priv *sta32x)
of_property_read_u8(np, "st,ch3-output-mapping",
&pdata->ch3_output_mapping);
- if (of_get_property(np, "st,thermal-warning-recovery", NULL))
- pdata->thermal_warning_recovery = 1;
- if (of_get_property(np, "st,thermal-warning-adjustment", NULL))
- pdata->thermal_warning_adjustment = 1;
- if (of_get_property(np, "st,needs_esd_watchdog", NULL))
- pdata->needs_esd_watchdog = 1;
+ pdata->fault_detect_recovery =
+ of_property_read_bool(np, "st,fault-detect-recovery");
+ pdata->thermal_warning_recovery =
+ of_property_read_bool(np, "st,thermal-warning-recovery");
+ pdata->thermal_warning_adjustment =
+ of_property_read_bool(np, "st,thermal-warning-adjustment");
+ pdata->needs_esd_watchdog =
+ of_property_read_bool(np, "st,needs_esd_watchdog");
tmp = 140;
of_property_read_u16(np, "st,drop-compensation-ns", &tmp);
pdata->drop_compensation_ns = clamp_t(u16, tmp, 0, 300) / 20;
/* CONFE */
- if (of_get_property(np, "st,max-power-use-mpcc", NULL))
- pdata->max_power_use_mpcc = 1;
-
- if (of_get_property(np, "st,max-power-correction", NULL))
- pdata->max_power_correction = 1;
-
- if (of_get_property(np, "st,am-reduction-mode", NULL))
- pdata->am_reduction_mode = 1;
-
- if (of_get_property(np, "st,odd-pwm-speed-mode", NULL))
- pdata->odd_pwm_speed_mode = 1;
+ pdata->max_power_use_mpcc =
+ of_property_read_bool(np, "st,max-power-use-mpcc");
+ pdata->max_power_correction =
+ of_property_read_bool(np, "st,max-power-correction");
+ pdata->am_reduction_mode =
+ of_property_read_bool(np, "st,am-reduction-mode");
+ pdata->odd_pwm_speed_mode =
+ of_property_read_bool(np, "st,odd-pwm-speed-mode");
/* CONFF */
- if (of_get_property(np, "st,invalid-input-detect-mute", NULL))
- pdata->invalid_input_detect_mute = 1;
+ pdata->invalid_input_detect_mute =
+ of_property_read_bool(np, "st,invalid-input-detect-mute");
sta32x->pdata = pdata;
@@ -1073,8 +1086,7 @@ static int sta32x_probe_dt(struct device *dev, struct sta32x_priv *sta32x)
}
#endif
-static int sta32x_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static int sta32x_i2c_probe(struct i2c_client *i2c)
{
struct device *dev = &i2c->dev;
struct sta32x_priv *sta32x;
@@ -1096,6 +1108,17 @@ static int sta32x_i2c_probe(struct i2c_client *i2c,
}
#endif
+ /* Clock */
+ sta32x->xti_clk = devm_clk_get(dev, "xti");
+ if (IS_ERR(sta32x->xti_clk)) {
+ ret = PTR_ERR(sta32x->xti_clk);
+
+ if (ret == -EPROBE_DEFER)
+ return ret;
+
+ sta32x->xti_clk = NULL;
+ }
+
/* GPIOs */
sta32x->gpiod_nreset = devm_gpiod_get_optional(dev, "reset",
GPIOD_OUT_LOW);
@@ -1122,23 +1145,18 @@ static int sta32x_i2c_probe(struct i2c_client *i2c,
i2c_set_clientdata(i2c, sta32x);
- ret = snd_soc_register_codec(dev, &sta32x_codec, &sta32x_dai, 1);
+ ret = devm_snd_soc_register_component(dev, &sta32x_component,
+ &sta32x_dai, 1);
if (ret < 0)
- dev_err(dev, "Failed to register codec (%d)\n", ret);
+ dev_err(dev, "Failed to register component (%d)\n", ret);
return ret;
}
-static int sta32x_i2c_remove(struct i2c_client *client)
-{
- snd_soc_unregister_codec(&client->dev);
- return 0;
-}
-
static const struct i2c_device_id sta32x_i2c_id[] = {
- { "sta326", 0 },
- { "sta328", 0 },
- { "sta329", 0 },
+ { "sta326" },
+ { "sta328" },
+ { "sta329" },
{ }
};
MODULE_DEVICE_TABLE(i2c, sta32x_i2c_id);
@@ -1148,8 +1166,7 @@ static struct i2c_driver sta32x_i2c_driver = {
.name = "sta32x",
.of_match_table = of_match_ptr(st32x_dt_ids),
},
- .probe = sta32x_i2c_probe,
- .remove = sta32x_i2c_remove,
+ .probe = sta32x_i2c_probe,
.id_table = sta32x_i2c_id,
};
generated by cgit (git 2.34.1) at 2025-12-25 19:18:17 +0000