summaryrefslogtreecommitdiff
path: root/sound/soc/codecs/cs35l35.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/cs35l35.c')
-rw-r--r--sound/soc/codecs/cs35l35.c170
1 files changed, 81 insertions, 89 deletions
diff --git a/sound/soc/codecs/cs35l35.c b/sound/soc/codecs/cs35l35.c
index f1ee184ecab2..7a01b1d9fc9d 100644
--- a/sound/soc/codecs/cs35l35.c
+++ b/sound/soc/codecs/cs35l35.c
@@ -1,19 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* cs35l35.c -- CS35L35 ALSA SoC audio driver
*
* Copyright 2017 Cirrus Logic, Inc.
*
* Author: Brian Austin <brian.austin@cirrus.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>
#include <linux/moduleparam.h>
-#include <linux/version.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
@@ -22,22 +17,20 @@
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/gpio/consumer.h>
-#include <linux/of_device.h>
-#include <linux/of_gpio.h>
+#include <linux/of.h>
#include <linux/regmap.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
-#include <linux/gpio.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <sound/cs35l35.h>
-#include <linux/of_irq.h>
#include <linux/completion.h>
#include "cs35l35.h"
+#include "cirrus_legacy.h"
/*
* Some fields take zero as a valid value so use a high bit flag that won't
@@ -194,8 +187,8 @@ static int cs35l35_wait_for_pdn(struct cs35l35_private *cs35l35)
static int cs35l35_sdin_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
- struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
- struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+ struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component);
int ret = 0;
switch (event) {
@@ -231,7 +224,7 @@ static int cs35l35_sdin_event(struct snd_soc_dapm_widget *w,
1 << CS35L35_AMP_DIGSFT_SHIFT);
break;
default:
- dev_err(codec->dev, "Invalid event = 0x%x\n", event);
+ dev_err(component->dev, "Invalid event = 0x%x\n", event);
ret = -EINVAL;
}
return ret;
@@ -240,8 +233,8 @@ static int cs35l35_sdin_event(struct snd_soc_dapm_widget *w,
static int cs35l35_main_amp_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
- struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
- struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+ struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component);
unsigned int reg[4];
int i;
@@ -301,7 +294,7 @@ static int cs35l35_main_amp_event(struct snd_soc_dapm_widget *w,
break;
default:
- dev_err(codec->dev, "Invalid event = 0x%x\n", event);
+ dev_err(component->dev, "Invalid event = 0x%x\n", event);
}
return 0;
}
@@ -369,19 +362,19 @@ static const struct snd_soc_dapm_route cs35l35_audio_map[] = {
static int cs35l35_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{
- struct snd_soc_codec *codec = codec_dai->codec;
- struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = codec_dai->component;
+ struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component);
- switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBM_CFM:
+ switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+ case SND_SOC_DAIFMT_CBP_CFP:
regmap_update_bits(cs35l35->regmap, CS35L35_CLK_CTL1,
CS35L35_MS_MASK, 1 << CS35L35_MS_SHIFT);
- cs35l35->slave_mode = false;
+ cs35l35->clock_consumer = false;
break;
- case SND_SOC_DAIFMT_CBS_CFS:
+ case SND_SOC_DAIFMT_CBC_CFC:
regmap_update_bits(cs35l35->regmap, CS35L35_CLK_CTL1,
CS35L35_MS_MASK, 0 << CS35L35_MS_SHIFT);
- cs35l35->slave_mode = true;
+ cs35l35->clock_consumer = true;
break;
default:
return -EINVAL;
@@ -470,8 +463,8 @@ static int cs35l35_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 cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = dai->component;
+ struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component);
struct classh_cfg *classh = &cs35l35->pdata.classh_algo;
int srate = params_rate(params);
int ret = 0;
@@ -482,7 +475,7 @@ static int cs35l35_hw_params(struct snd_pcm_substream *substream,
int clk_ctl = cs35l35_get_clk_config(cs35l35->sysclk, srate);
if (clk_ctl < 0) {
- dev_err(codec->dev, "Invalid CLK:Rate %d:%d\n",
+ dev_err(component->dev, "Invalid CLK:Rate %d:%d\n",
cs35l35->sysclk, srate);
return -EINVAL;
}
@@ -490,7 +483,7 @@ static int cs35l35_hw_params(struct snd_pcm_substream *substream,
ret = regmap_update_bits(cs35l35->regmap, CS35L35_CLK_CTL2,
CS35L35_CLK_CTL2_MASK, clk_ctl);
if (ret != 0) {
- dev_err(codec->dev, "Failed to set port config %d\n", ret);
+ dev_err(component->dev, "Failed to set port config %d\n", ret);
return ret;
}
@@ -500,16 +493,16 @@ static int cs35l35_hw_params(struct snd_pcm_substream *substream,
* the Class H algorithm does not enable weak-drive operation for
* nonzero values of CH_WKFET_DELAY if SP_RATE = 01 or 10
*/
- errata_chk = clk_ctl & CS35L35_SP_RATE_MASK;
+ errata_chk = (clk_ctl & CS35L35_SP_RATE_MASK) >> CS35L35_SP_RATE_SHIFT;
if (classh->classh_wk_fet_disable == 0x00 &&
- (errata_chk == 0x01 || errata_chk == 0x03)) {
+ (errata_chk == 0x01 || errata_chk == 0x02)) {
ret = regmap_update_bits(cs35l35->regmap,
CS35L35_CLASS_H_FET_DRIVE_CTL,
CS35L35_CH_WKFET_DEL_MASK,
0 << CS35L35_CH_WKFET_DEL_SHIFT);
if (ret != 0) {
- dev_err(codec->dev, "Failed to set fet config %d\n",
+ dev_err(component->dev, "Failed to set fet config %d\n",
ret);
return ret;
}
@@ -531,7 +524,7 @@ static int cs35l35_hw_params(struct snd_pcm_substream *substream,
audin_format = CS35L35_SDIN_DEPTH_24;
break;
default:
- dev_err(codec->dev, "Unsupported Width %d\n",
+ dev_err(component->dev, "Unsupported Width %d\n",
params_width(params));
return -EINVAL;
}
@@ -554,31 +547,31 @@ static int cs35l35_hw_params(struct snd_pcm_substream *substream,
* to configure the CLOCK_CTL3 register correctly
*/
if ((cs35l35->sclk / srate) % 4) {
- dev_err(codec->dev, "Unsupported sclk/fs ratio %d:%d\n",
+ dev_err(component->dev, "Unsupported sclk/fs ratio %d:%d\n",
cs35l35->sclk, srate);
return -EINVAL;
}
sp_sclks = ((cs35l35->sclk / srate) / 4) - 1;
- /* Only certain ratios are supported in I2S Slave Mode */
- if (cs35l35->slave_mode) {
+ /* Only certain ratios supported when device is a clock consumer */
+ if (cs35l35->clock_consumer) {
switch (sp_sclks) {
case CS35L35_SP_SCLKS_32FS:
case CS35L35_SP_SCLKS_48FS:
case CS35L35_SP_SCLKS_64FS:
break;
default:
- dev_err(codec->dev, "ratio not supported\n");
+ dev_err(component->dev, "ratio not supported\n");
return -EINVAL;
}
} else {
- /* Only certain ratios supported in I2S MASTER Mode */
+ /* Only certain ratios supported when device is a clock provider */
switch (sp_sclks) {
case CS35L35_SP_SCLKS_32FS:
case CS35L35_SP_SCLKS_64FS:
break;
default:
- dev_err(codec->dev, "ratio not supported\n");
+ dev_err(component->dev, "ratio not supported\n");
return -EINVAL;
}
}
@@ -587,7 +580,7 @@ static int cs35l35_hw_params(struct snd_pcm_substream *substream,
CS35L35_SP_SCLKS_MASK, sp_sclks <<
CS35L35_SP_SCLKS_SHIFT);
if (ret != 0) {
- dev_err(codec->dev, "Failed to set fsclk %d\n", ret);
+ dev_err(component->dev, "Failed to set fsclk %d\n", ret);
return ret;
}
}
@@ -607,8 +600,8 @@ static const struct snd_pcm_hw_constraint_list cs35l35_constraints = {
static int cs35l35_pcm_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_codec *codec = dai->codec;
- struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = dai->component;
+ struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component);
if (!substream->runtime)
return 0;
@@ -635,8 +628,8 @@ static const struct snd_pcm_hw_constraint_list cs35l35_pdm_constraints = {
static int cs35l35_pdm_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_codec *codec = dai->codec;
- struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = dai->component;
+ struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component);
if (!substream->runtime)
return 0;
@@ -655,8 +648,8 @@ static int cs35l35_pdm_startup(struct snd_pcm_substream *substream,
static int cs35l35_dai_set_sysclk(struct snd_soc_dai *dai,
int clk_id, unsigned int freq, int dir)
{
- struct snd_soc_codec *codec = dai->codec;
- struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_component *component = dai->component;
+ struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component);
/* Need the SCLK Frequency regardless of sysclk source for I2S */
cs35l35->sclk = freq;
@@ -696,7 +689,7 @@ static struct snd_soc_dai_driver cs35l35_dai[] = {
.formats = CS35L35_FORMATS,
},
.ops = &cs35l35_ops,
- .symmetric_rates = 1,
+ .symmetric_rate = 1,
},
{
.name = "cs35l35-pdm",
@@ -712,11 +705,11 @@ static struct snd_soc_dai_driver cs35l35_dai[] = {
},
};
-static int cs35l35_codec_set_sysclk(struct snd_soc_codec *codec,
+static int cs35l35_component_set_sysclk(struct snd_soc_component *component,
int clk_id, int source, unsigned int freq,
int dir)
{
- struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+ struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component);
int clksrc;
int ret = 0;
@@ -731,7 +724,7 @@ static int cs35l35_codec_set_sysclk(struct snd_soc_codec *codec,
clksrc = CS35L35_CLK_SOURCE_PDM;
break;
default:
- dev_err(codec->dev, "Invalid CLK Source\n");
+ dev_err(component->dev, "Invalid CLK Source\n");
return -EINVAL;
}
@@ -749,7 +742,7 @@ static int cs35l35_codec_set_sysclk(struct snd_soc_codec *codec,
cs35l35->sysclk = freq;
break;
default:
- dev_err(codec->dev, "Invalid CLK Frequency Input : %d\n", freq);
+ dev_err(component->dev, "Invalid CLK Frequency Input : %d\n", freq);
return -EINVAL;
}
@@ -757,7 +750,7 @@ static int cs35l35_codec_set_sysclk(struct snd_soc_codec *codec,
CS35L35_CLK_SOURCE_MASK,
clksrc << CS35L35_CLK_SOURCE_SHIFT);
if (ret != 0) {
- dev_err(codec->dev, "Failed to set sysclk %d\n", ret);
+ dev_err(component->dev, "Failed to set sysclk %d\n", ret);
return ret;
}
@@ -834,9 +827,9 @@ static int cs35l35_boost_inductor(struct cs35l35_private *cs35l35,
return 0;
}
-static int cs35l35_codec_probe(struct snd_soc_codec *codec)
+static int cs35l35_component_probe(struct snd_soc_component *component)
{
- struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+ struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component);
struct classh_cfg *classh = &cs35l35->pdata.classh_algo;
struct monitor_cfg *monitor_config = &cs35l35->pdata.mon_cfg;
int ret;
@@ -880,7 +873,7 @@ static int cs35l35_codec_probe(struct snd_soc_codec *codec)
regmap_update_bits(cs35l35->regmap, CS35L35_CLASS_H_CTL,
CS35L35_CH_STEREO_MASK,
1 << CS35L35_CH_STEREO_SHIFT);
- ret = snd_soc_add_codec_controls(codec, cs35l35_adv_controls,
+ ret = snd_soc_add_component_controls(component, cs35l35_adv_controls,
ARRAY_SIZE(cs35l35_adv_controls));
if (ret)
return ret;
@@ -1079,23 +1072,21 @@ static int cs35l35_codec_probe(struct snd_soc_codec *codec)
return 0;
}
-static struct snd_soc_codec_driver soc_codec_dev_cs35l35 = {
- .probe = cs35l35_codec_probe,
- .set_sysclk = cs35l35_codec_set_sysclk,
- .component_driver = {
- .dapm_widgets = cs35l35_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(cs35l35_dapm_widgets),
-
- .dapm_routes = cs35l35_audio_map,
- .num_dapm_routes = ARRAY_SIZE(cs35l35_audio_map),
-
- .controls = cs35l35_aud_controls,
- .num_controls = ARRAY_SIZE(cs35l35_aud_controls),
- },
-
+static const struct snd_soc_component_driver soc_component_dev_cs35l35 = {
+ .probe = cs35l35_component_probe,
+ .set_sysclk = cs35l35_component_set_sysclk,
+ .dapm_widgets = cs35l35_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(cs35l35_dapm_widgets),
+ .dapm_routes = cs35l35_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(cs35l35_audio_map),
+ .controls = cs35l35_aud_controls,
+ .num_controls = ARRAY_SIZE(cs35l35_aud_controls),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
};
-static struct regmap_config cs35l35_regmap = {
+static const struct regmap_config cs35l35_regmap = {
.reg_bits = 8,
.val_bits = 8,
@@ -1105,7 +1096,9 @@ static struct regmap_config cs35l35_regmap = {
.volatile_reg = cs35l35_volatile_register,
.readable_reg = cs35l35_readable_register,
.precious_reg = cs35l35_precious_register,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
+ .use_single_read = true,
+ .use_single_write = true,
};
static irqreturn_t cs35l35_irq(int irq, void *data)
@@ -1314,7 +1307,7 @@ static int cs35l35_handle_of_data(struct i2c_client *i2c_client,
pdata->gain_zc = of_property_read_bool(np, "cirrus,amp-gain-zc");
classh = of_get_child_by_name(np, "cirrus,classh-internal-algo");
- classh_config->classh_algo_enable = classh ? true : false;
+ classh_config->classh_algo_enable = (classh != NULL);
if (classh_config->classh_algo_enable) {
classh_config->classh_bst_override =
@@ -1469,15 +1462,13 @@ static const struct reg_sequence cs35l35_errata_patch[] = {
{ 0x7F, 0x00 },
};
-static int cs35l35_i2c_probe(struct i2c_client *i2c_client,
- const struct i2c_device_id *id)
+static int cs35l35_i2c_probe(struct i2c_client *i2c_client)
{
struct cs35l35_private *cs35l35;
struct device *dev = &i2c_client->dev;
struct cs35l35_platform_data *pdata = dev_get_platdata(dev);
- int i;
+ int i, devid;
int ret;
- unsigned int devid = 0;
unsigned int reg;
cs35l35 = devm_kzalloc(dev, sizeof(struct cs35l35_private), GFP_KERNEL);
@@ -1491,7 +1482,7 @@ static int cs35l35_i2c_probe(struct i2c_client *i2c_client,
if (IS_ERR(cs35l35->regmap)) {
ret = PTR_ERR(cs35l35->regmap);
dev_err(dev, "regmap_init() failed: %d\n", ret);
- goto err;
+ return ret;
}
for (i = 0; i < ARRAY_SIZE(cs35l35_supplies); i++)
@@ -1556,13 +1547,12 @@ static int cs35l35_i2c_probe(struct i2c_client *i2c_client,
goto err;
}
/* initialize codec */
- ret = regmap_read(cs35l35->regmap, CS35L35_DEVID_AB, &reg);
-
- devid = (reg & 0xFF) << 12;
- ret = regmap_read(cs35l35->regmap, CS35L35_DEVID_CD, &reg);
- devid |= (reg & 0xFF) << 4;
- ret = regmap_read(cs35l35->regmap, CS35L35_DEVID_E, &reg);
- devid |= (reg & 0xF0) >> 4;
+ devid = cirrus_read_device_id(cs35l35->regmap, CS35L35_DEVID_AB);
+ if (devid < 0) {
+ ret = devid;
+ dev_err(dev, "Failed to read device ID: %d\n", ret);
+ goto err;
+ }
if (devid != CS35L35_CHIP_ID) {
dev_err(dev, "CS35L35 Device ID (%X). Expected ID %X\n",
@@ -1617,10 +1607,10 @@ static int cs35l35_i2c_probe(struct i2c_client *i2c_client,
regmap_update_bits(cs35l35->regmap, CS35L35_PROTECT_CTL,
CS35L35_AMP_MUTE_MASK, 1 << CS35L35_AMP_MUTE_SHIFT);
- ret = snd_soc_register_codec(dev, &soc_codec_dev_cs35l35, cs35l35_dai,
- ARRAY_SIZE(cs35l35_dai));
+ ret = devm_snd_soc_register_component(dev, &soc_component_dev_cs35l35,
+ cs35l35_dai, ARRAY_SIZE(cs35l35_dai));
if (ret < 0) {
- dev_err(dev, "Failed to register codec: %d\n", ret);
+ dev_err(dev, "Failed to register component: %d\n", ret);
goto err;
}
@@ -1634,10 +1624,12 @@ err:
return ret;
}
-static int cs35l35_i2c_remove(struct i2c_client *client)
+static void cs35l35_i2c_remove(struct i2c_client *i2c_client)
{
- snd_soc_unregister_codec(&client->dev);
- return 0;
+ struct cs35l35_private *cs35l35 = i2c_get_clientdata(i2c_client);
+
+ regulator_bulk_disable(cs35l35->num_supplies, cs35l35->supplies);
+ gpiod_set_value_cansleep(cs35l35->reset_gpio, 0);
}
static const struct of_device_id cs35l35_of_match[] = {
@@ -1647,7 +1639,7 @@ static const struct of_device_id cs35l35_of_match[] = {
MODULE_DEVICE_TABLE(of, cs35l35_of_match);
static const struct i2c_device_id cs35l35_id[] = {
- {"cs35l35", 0},
+ {"cs35l35"},
{}
};