[PATCH V3 2/2] ASoC: codecs: Add aw88083 amplifier driver

From: wangweidong . a
Date: Mon Dec 23 2024 - 22:20:03 EST

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From: Weidong Wang <wangweidong.a@xxxxxxxxxx>

The driver is for amplifiers aw88083 of Awinic Technology
Corporation. The AW88083 is an intelligent digital audio
amplifier with low noise.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202412201745.fBpf3Ui5-lkp@xxxxxxxxx/
Signed-off-by: Weidong Wang <wangweidong.a@xxxxxxxxxx>
---
sound/soc/codecs/Kconfig | 2 +-
sound/soc/codecs/aw88081.c | 333 ++++++++++++++++++++++++++++++-------
sound/soc/codecs/aw88081.h | 43 +++++
3 files changed, 321 insertions(+), 57 deletions(-)

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 0f2df7c91e18..0ba319683b6b 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -692,7 +692,7 @@ config SND_SOC_AW88261
the input amplitude.

config SND_SOC_AW88081
- tristate "Soc Audio for awinic aw88081"
+ tristate "Soc Audio for awinic aw88081/aw88083"
depends on I2C
select REGMAP_I2C
select SND_SOC_AW88395_LIB
diff --git a/sound/soc/codecs/aw88081.c b/sound/soc/codecs/aw88081.c
index 58b8e002d76f..ad16ab6812cd 100644
--- a/sound/soc/codecs/aw88081.c
+++ b/sound/soc/codecs/aw88081.c
@@ -14,13 +14,18 @@
#include "aw88081.h"
#include "aw88395/aw88395_device.h"

+enum aw8808x_type {
+ AW88081,
+ AW88083,
+};
+
struct aw88081 {
struct aw_device *aw_pa;
struct mutex lock;
struct delayed_work start_work;
struct regmap *regmap;
struct aw_container *aw_cfg;
-
+ enum aw8808x_type devtype;
bool phase_sync;
};

@@ -32,6 +37,14 @@ static const struct regmap_config aw88081_regmap_config = {
.val_format_endian = REGMAP_ENDIAN_BIG,
};

+static const struct regmap_config aw88083_regmap_config = {
+ .val_bits = 16,
+ .reg_bits = 8,
+ .max_register = AW88083_REG_MAX,
+ .reg_format_endian = REGMAP_ENDIAN_LITTLE,
+ .val_format_endian = REGMAP_ENDIAN_BIG,
+};
+
static int aw88081_dev_get_iis_status(struct aw_device *aw_dev)
{
unsigned int reg_val;
@@ -196,6 +209,41 @@ static void aw88081_dev_amppd(struct aw_device *aw_dev, bool amppd)
~AW88081_EN_PA_MASK, AW88081_EN_PA_WORKING_VALUE);
}

+static void aw88083_i2c_wen(struct aw88081 *aw88081, bool flag)
+{
+ struct aw_device *aw_dev = aw88081->aw_pa;
+
+ if (aw88081->devtype != AW88083)
+ return;
+
+ if (flag)
+ regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG,
+ ~AW88083_I2C_WEN_MASK, AW88083_I2C_WEN_ENABLE_VALUE);
+ else
+ regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG,
+ ~AW88083_I2C_WEN_MASK, AW88083_I2C_WEN_DISABLE_VALUE);
+}
+
+static void aw88083_dev_amppd(struct aw_device *aw_dev, bool amppd)
+{
+ if (amppd)
+ regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG,
+ ~AW88083_AMPPD_MASK, AW88083_AMPPD_POWER_DOWN_VALUE);
+ else
+ regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG,
+ ~AW88083_AMPPD_MASK, AW88083_AMPPD_WORKING_VALUE);
+}
+
+static void aw88083_dev_pllpd(struct aw_device *aw_dev, bool pllpd)
+{
+ if (pllpd)
+ regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG,
+ ~AW88083_PLL_PD_MASK, AW88083_PLL_PD_WORKING_VALUE);
+ else
+ regmap_update_bits(aw_dev->regmap, AW88081_SYSCTRL_REG,
+ ~AW88083_PLL_PD_MASK, AW88083_PLL_PD_POWER_DOWN_VALUE);
+}
+
static void aw88081_dev_clear_int_status(struct aw_device *aw_dev)
{
unsigned int int_status;
@@ -284,12 +332,90 @@ static void aw88081_dev_uls_hmute(struct aw_device *aw_dev, bool uls_hmute)
AW88081_ULS_HMUTE_DISABLE_VALUE);
}

+static int aw88081_dev_reg_value_check(struct aw_device *aw_dev,
+ unsigned char reg_addr, unsigned short *reg_val)
+{
+ unsigned int read_vol;
+
+ if (reg_addr == AW88081_SYSCTRL_REG) {
+ *reg_val &= ~(~AW88081_EN_PA_MASK |
+ ~AW88081_PWDN_MASK |
+ ~AW88081_HMUTE_MASK |
+ ~AW88081_ULS_HMUTE_MASK);
+
+ *reg_val |= AW88081_EN_PA_POWER_DOWN_VALUE |
+ AW88081_PWDN_POWER_DOWN_VALUE |
+ AW88081_HMUTE_ENABLE_VALUE |
+ AW88081_ULS_HMUTE_ENABLE_VALUE;
+ }
+
+ if (reg_addr == AW88081_SYSCTRL2_REG) {
+ read_vol = (*reg_val & (~AW88081_VOL_MASK)) >> AW88081_VOL_START_BIT;
+ aw_dev->volume_desc.init_volume = read_vol;
+ }
+
+ /* i2stxen */
+ if (reg_addr == AW88081_I2SCTRL3_REG) {
+ /* close tx */
+ *reg_val &= AW88081_I2STXEN_MASK;
+ *reg_val |= AW88081_I2STXEN_DISABLE_VALUE;
+ }
+
+ return 0;
+}
+
+static int aw88083_dev_reg_value_check(struct aw_device *aw_dev,
+ unsigned char reg_addr, unsigned short *reg_val)
+{
+ unsigned int read_vol;
+
+ if (reg_addr == AW88081_SYSCTRL_REG) {
+ *reg_val &= ~(~AW88083_AMPPD_MASK |
+ ~AW88081_PWDN_MASK |
+ ~AW88081_HMUTE_MASK |
+ ~AW88083_I2C_WEN_MASK);
+
+ *reg_val |= AW88083_AMPPD_POWER_DOWN_VALUE |
+ AW88081_PWDN_POWER_DOWN_VALUE |
+ AW88081_HMUTE_ENABLE_VALUE |
+ AW88083_I2C_WEN_ENABLE_VALUE;
+ }
+
+ if (reg_addr == AW88081_SYSCTRL2_REG) {
+ read_vol = (*reg_val & (~AW88081_VOL_MASK)) >> AW88081_VOL_START_BIT;
+ aw_dev->volume_desc.init_volume = read_vol;
+ }
+
+ return 0;
+}
+
+static int aw88081_reg_value_check(struct aw88081 *aw88081,
+ unsigned char reg_addr, unsigned short *reg_val)
+{
+ struct aw_device *aw_dev = aw88081->aw_pa;
+ int ret;
+
+ switch (aw88081->devtype) {
+ case AW88081:
+ ret = aw88081_dev_reg_value_check(aw_dev, reg_addr, reg_val);
+ break;
+ case AW88083:
+ ret = aw88083_dev_reg_value_check(aw_dev, reg_addr, reg_val);
+ break;
+ default:
+ dev_err(aw_dev->dev, "unsupported device\n");
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
static int aw88081_dev_reg_update(struct aw88081 *aw88081,
unsigned char *data, unsigned int len)
{
struct aw_device *aw_dev = aw88081->aw_pa;
struct aw_volume_desc *vol_desc = &aw_dev->volume_desc;
- unsigned int read_vol;
int data_len, i, ret;
int16_t *reg_data;
u16 reg_val;
@@ -312,30 +438,9 @@ static int aw88081_dev_reg_update(struct aw88081 *aw88081,
reg_addr = reg_data[i];
reg_val = reg_data[i + 1];

- if (reg_addr == AW88081_SYSCTRL_REG) {
- reg_val &= ~(~AW88081_EN_PA_MASK |
- ~AW88081_PWDN_MASK |
- ~AW88081_HMUTE_MASK |
- ~AW88081_ULS_HMUTE_MASK);
-
- reg_val |= AW88081_EN_PA_POWER_DOWN_VALUE |
- AW88081_PWDN_POWER_DOWN_VALUE |
- AW88081_HMUTE_ENABLE_VALUE |
- AW88081_ULS_HMUTE_ENABLE_VALUE;
- }
-
- if (reg_addr == AW88081_SYSCTRL2_REG) {
- read_vol = (reg_val & (~AW88081_VOL_MASK)) >>
- AW88081_VOL_START_BIT;
- aw_dev->volume_desc.init_volume = read_vol;
- }
-
- /* i2stxen */
- if (reg_addr == AW88081_I2SCTRL3_REG) {
- /* close tx */
- reg_val &= AW88081_I2STXEN_MASK;
- reg_val |= AW88081_I2STXEN_DISABLE_VALUE;
- }
+ ret = aw88081_reg_value_check(aw88081, reg_addr, &reg_val);
+ if (ret)
+ return ret;

ret = regmap_write(aw_dev->regmap, reg_addr, reg_val);
if (ret)
@@ -474,8 +579,60 @@ static int aw88081_dev_start(struct aw88081 *aw88081)
return ret;
}

-static int aw88081_dev_stop(struct aw_device *aw_dev)
+static int aw88083_dev_start(struct aw88081 *aw88081)
+{
+ struct aw_device *aw_dev = aw88081->aw_pa;
+
+ if (aw_dev->status == AW88081_DEV_PW_ON) {
+ dev_dbg(aw_dev->dev, "already power on");
+ return 0;
+ }
+
+ aw88083_i2c_wen(aw88081, true);
+
+ /* power on */
+ aw88081_dev_pwd(aw_dev, false);
+ usleep_range(AW88081_2000_US, AW88081_2000_US + 10);
+
+ aw88083_dev_pllpd(aw_dev, true);
+ /* amppd on */
+ aw88083_dev_amppd(aw_dev, false);
+ usleep_range(AW88081_2000_US, AW88081_2000_US + 50);
+
+ /* close mute */
+ aw88081_dev_mute(aw_dev, false);
+
+ aw88083_i2c_wen(aw88081, false);
+
+ aw_dev->status = AW88081_DEV_PW_ON;
+
+ return 0;
+}
+
+static int aw88081_device_start(struct aw88081 *aw88081)
+{
+ int ret;
+
+ switch (aw88081->devtype) {
+ case AW88081:
+ ret = aw88081_dev_start(aw88081);
+ break;
+ case AW88083:
+ ret = aw88083_dev_start(aw88081);
+ break;
+ default:
+ ret = -EINVAL;
+ dev_err(aw88081->aw_pa->dev, "unsupported device\n");
+ break;
+ }
+
+ return ret;
+}
+
+static int aw88081_dev_stop(struct aw88081 *aw88081)
{
+ struct aw_device *aw_dev = aw88081->aw_pa;
+
if (aw_dev->status == AW88081_DEV_PW_OFF) {
dev_dbg(aw_dev->dev, "already power off");
return 0;
@@ -503,6 +660,56 @@ static int aw88081_dev_stop(struct aw_device *aw_dev)
return 0;
}

+static int aw88083_dev_stop(struct aw88081 *aw88081)
+{
+ struct aw_device *aw_dev = aw88081->aw_pa;
+
+ if (aw_dev->status == AW88081_DEV_PW_OFF) {
+ dev_dbg(aw_dev->dev, "already power off");
+ return 0;
+ }
+
+ aw_dev->status = AW88081_DEV_PW_OFF;
+
+ aw88083_i2c_wen(aw88081, true);
+ /* set mute */
+ aw88081_dev_mute(aw_dev, true);
+
+ usleep_range(AW88081_2000_US, AW88081_2000_US + 100);
+
+ /* enable amppd */
+ aw88083_dev_amppd(aw_dev, true);
+
+ aw88083_dev_pllpd(aw_dev, false);
+
+ /* set power down */
+ aw88081_dev_pwd(aw_dev, true);
+
+ aw88083_i2c_wen(aw88081, false);
+
+ return 0;
+}
+
+static int aw88081_stop(struct aw88081 *aw88081)
+{
+ int ret;
+
+ switch (aw88081->devtype) {
+ case AW88081:
+ ret = aw88081_dev_stop(aw88081);
+ break;
+ case AW88083:
+ ret = aw88083_dev_stop(aw88081);
+ break;
+ default:
+ dev_err(aw88081->aw_pa->dev, "unsupported device\n");
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
static int aw88081_reg_update(struct aw88081 *aw88081, bool force)
{
struct aw_device *aw_dev = aw88081->aw_pa;
@@ -540,7 +747,7 @@ static void aw88081_start_pa(struct aw88081 *aw88081)
dev_err(aw88081->aw_pa->dev, "fw update failed, cnt:%d\n", i);
continue;
}
- ret = aw88081_dev_start(aw88081);
+ ret = aw88081_device_start(aw88081);
if (ret) {
dev_err(aw88081->aw_pa->dev, "aw88081 device start failed. retry = %d", i);
continue;
@@ -745,7 +952,7 @@ static int aw88081_profile_set(struct snd_kcontrol *kcontrol,
}

if (aw88081->aw_pa->status) {
- aw88081_dev_stop(aw88081->aw_pa);
+ aw88081_stop(aw88081);
aw88081_start(aw88081, AW88081_SYNC_START);
}

@@ -781,12 +988,16 @@ static int aw88081_volume_set(struct snd_kcontrol *kcontrol,
if (value < mc->min || value > mc->max)
return -EINVAL;

+ aw88083_i2c_wen(aw88081, true);
+
if (vol_desc->ctl_volume != value) {
vol_desc->ctl_volume = value;
aw88081_dev_set_volume(aw88081->aw_pa, vol_desc->ctl_volume);
return 1;
}

+ aw88083_i2c_wen(aw88081, false);
+
return 0;
}

@@ -860,13 +1071,19 @@ static int aw88081_init(struct aw88081 *aw88081, struct i2c_client *i2c, struct
dev_err(&i2c->dev, "%s read chipid error. ret = %d", __func__, ret);
return ret;
}
- if (chip_id != AW88081_CHIP_ID) {
+
+ switch (chip_id) {
+ case AW88081_CHIP_ID:
+ dev_dbg(&i2c->dev, "chip id = 0x%x\n", chip_id);
+ break;
+ case AW88083_CHIP_ID:
+ dev_dbg(&i2c->dev, "chip id = 0x%x\n", chip_id);
+ break;
+ default:
dev_err(&i2c->dev, "unsupported device");
return -ENXIO;
}

- dev_dbg(&i2c->dev, "chip id = %x\n", chip_id);
-
aw_dev = devm_kzalloc(&i2c->dev, sizeof(*aw_dev), GFP_KERNEL);
if (!aw_dev)
return -ENOMEM;
@@ -875,7 +1092,7 @@ static int aw88081_init(struct aw88081 *aw88081, struct i2c_client *i2c, struct
aw_dev->i2c = i2c;
aw_dev->regmap = regmap;
aw_dev->dev = &i2c->dev;
- aw_dev->chip_id = AW88081_CHIP_ID;
+ aw_dev->chip_id = chip_id;
aw_dev->acf = NULL;
aw_dev->prof_info.prof_desc = NULL;
aw_dev->prof_info.prof_type = AW88395_DEV_NONE_TYPE_ID;
@@ -912,21 +1129,8 @@ static int aw88081_dev_init(struct aw88081 *aw88081, struct aw_container *aw_cfg
return ret;
}

- aw88081_dev_clear_int_status(aw_dev);
-
- aw88081_dev_uls_hmute(aw_dev, true);
-
- aw88081_dev_mute(aw_dev, true);
-
- usleep_range(AW88081_5000_US, AW88081_5000_US + 10);
-
- aw88081_dev_i2s_tx_enable(aw_dev, false);
-
- usleep_range(AW88081_1000_US, AW88081_1000_US + 100);
-
- aw88081_dev_amppd(aw_dev, true);
-
- aw88081_dev_pwd(aw_dev, true);
+ aw_dev->status = AW88081_DEV_PW_ON;
+ aw88081_stop(aw88081);

return 0;
}
@@ -977,7 +1181,7 @@ static int aw88081_playback_event(struct snd_soc_dapm_widget *w,
aw88081_start(aw88081, AW88081_ASYNC_START);
break;
case SND_SOC_DAPM_POST_PMD:
- aw88081_dev_stop(aw88081->aw_pa);
+ aw88081_stop(aw88081);
break;
default:
break;
@@ -1036,8 +1240,17 @@ static const struct snd_soc_component_driver soc_codec_dev_aw88081 = {
.num_controls = ARRAY_SIZE(aw88081_controls),
};

+static const struct i2c_device_id aw88081_i2c_id[] = {
+ { AW88081_I2C_NAME, AW88081},
+ { AW88083_I2C_NAME, AW88083},
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, aw88081_i2c_id);
+
static int aw88081_i2c_probe(struct i2c_client *i2c)
{
+ const struct regmap_config *regmap_config;
+ const struct i2c_device_id *id;
struct aw88081 *aw88081;
int ret;

@@ -1049,11 +1262,25 @@ static int aw88081_i2c_probe(struct i2c_client *i2c)
if (!aw88081)
return -ENOMEM;

+ id = i2c_match_id(aw88081_i2c_id, i2c);
+ aw88081->devtype = id->driver_data;
+
mutex_init(&aw88081->lock);

i2c_set_clientdata(i2c, aw88081);

- aw88081->regmap = devm_regmap_init_i2c(i2c, &aw88081_regmap_config);
+ switch (aw88081->devtype) {
+ case AW88081:
+ regmap_config = &aw88081_regmap_config;
+ break;
+ case AW88083:
+ regmap_config = &aw88083_regmap_config;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ aw88081->regmap = devm_regmap_init_i2c(i2c, regmap_config);
if (IS_ERR(aw88081->regmap))
return dev_err_probe(&i2c->dev, PTR_ERR(aw88081->regmap),
"failed to init regmap\n");
@@ -1068,12 +1295,6 @@ static int aw88081_i2c_probe(struct i2c_client *i2c)
aw88081_dai, ARRAY_SIZE(aw88081_dai));
}

-static const struct i2c_device_id aw88081_i2c_id[] = {
- { AW88081_I2C_NAME },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, aw88081_i2c_id);
-
static struct i2c_driver aw88081_i2c_driver = {
.driver = {
.name = AW88081_I2C_NAME,
diff --git a/sound/soc/codecs/aw88081.h b/sound/soc/codecs/aw88081.h
index b4bf7288021a..c4679476f524 100644
--- a/sound/soc/codecs/aw88081.h
+++ b/sound/soc/codecs/aw88081.h
@@ -231,6 +231,49 @@
#define AW88081_CCO_MUX_BYPASS_VALUE \
(AW88081_CCO_MUX_BYPASS << AW88081_CCO_MUX_START_BIT)

+#define AW88083_I2C_WEN_START_BIT (14)
+#define AW88083_I2C_WEN_BITS_LEN (2)
+#define AW88083_I2C_WEN_MASK \
+ (~(((1<<AW88083_I2C_WEN_BITS_LEN)-1) << AW88083_I2C_WEN_START_BIT))
+
+#define AW88083_I2C_WEN_DISABLE (0)
+#define AW88083_I2C_WEN_DISABLE_VALUE \
+ (AW88083_I2C_WEN_DISABLE << AW88083_I2C_WEN_START_BIT)
+
+#define AW88083_I2C_WEN_ENABLE (2)
+#define AW88083_I2C_WEN_ENABLE_VALUE \
+ (AW88083_I2C_WEN_ENABLE << AW88083_I2C_WEN_START_BIT)
+
+#define AW88083_PLL_PD_START_BIT (2)
+#define AW88083_PLL_PD_BITS_LEN (1)
+#define AW88083_PLL_PD_MASK \
+ (~(((1<<AW88083_PLL_PD_BITS_LEN)-1) << AW88083_PLL_PD_START_BIT))
+
+#define AW88083_PLL_PD_POWER_DOWN (1)
+#define AW88083_PLL_PD_POWER_DOWN_VALUE \
+ (AW88083_PLL_PD_POWER_DOWN << AW88083_PLL_PD_START_BIT)
+
+#define AW88083_PLL_PD_WORKING (0)
+#define AW88083_PLL_PD_WORKING_VALUE \
+ (AW88083_PLL_PD_WORKING << AW88083_PLL_PD_START_BIT)
+
+#define AW88083_AMPPD_START_BIT (1)
+#define AW88083_AMPPD_BITS_LEN (1)
+#define AW88083_AMPPD_MASK \
+ (~(((1<<AW88083_AMPPD_BITS_LEN)-1) << AW88083_AMPPD_START_BIT))
+
+#define AW88083_AMPPD_WORKING (0)
+#define AW88083_AMPPD_WORKING_VALUE \
+ (AW88083_AMPPD_WORKING << AW88083_AMPPD_START_BIT)
+
+#define AW88083_AMPPD_POWER_DOWN (1)
+#define AW88083_AMPPD_POWER_DOWN_VALUE \
+ (AW88083_AMPPD_POWER_DOWN << AW88083_AMPPD_START_BIT)
+
+#define AW88083_REG_MAX (0x7D)
+#define AW88083_I2C_NAME "aw88083"
+#define AW88083_CHIP_ID 0x2407
+
#define AW88081_START_RETRIES (5)
#define AW88081_START_WORK_DELAY_MS (0)

--
2.47.0

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