[PATCH 2/2] ASoC: tas517x: add tas5707 support
From: Jerome Brunet
Date: Tue Jun 26 2018 - 13:41:19 EST
Add support for the tas5707 audio power amplifier.
Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
---
sound/soc/codecs/Kconfig | 5 ++-
sound/soc/codecs/tas571x.c | 110 +++++++++++++++++++++++++++++++++++++++++++++
sound/soc/codecs/tas571x.h | 16 +++++++
3 files changed, 130 insertions(+), 1 deletion(-)
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 1d2ddb528fd2..f5839eeeed5e 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -953,8 +953,11 @@ config SND_SOC_TAS5086
depends on I2C
config SND_SOC_TAS571X
- tristate "Texas Instruments TAS5711/TAS5717/TAS5719/TAS5721 power amplifiers"
+ tristate "Texas Instruments TAS571x power amplifiers"
depends on I2C
+ help
+ Enable support for Texas Instruments TAS5707, TAS5711, TAS5717,
+ TAS5719 and TAS5721 power amplifiers
config SND_SOC_TAS5720
tristate "Texas Instruments TAS5720 Mono Audio amplifier"
diff --git a/sound/soc/codecs/tas571x.c b/sound/soc/codecs/tas571x.c
index 52f34c94ec25..e2952a3004a0 100644
--- a/sound/soc/codecs/tas571x.c
+++ b/sound/soc/codecs/tas571x.c
@@ -7,6 +7,9 @@
* TAS5721 support:
* Copyright (C) 2016 Petr Kulhavy, Barix AG <petr@xxxxxxxxx>
*
+ * TAS5707 support:
+ * Copyright (C) 2018 Jerome Brunet, Baylibre SAS <jbrunet@xxxxxxxxxxxx>
+ *
* 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
@@ -444,6 +447,111 @@ static const struct tas571x_chip tas5711_chip = {
.vol_reg_size = 1,
};
+static const struct regmap_range tas5707_volatile_regs_range[] = {
+ regmap_reg_range(TAS571X_CLK_CTRL_REG, TAS571X_ERR_STATUS_REG),
+ regmap_reg_range(TAS571X_OSC_TRIM_REG, TAS571X_OSC_TRIM_REG),
+ regmap_reg_range(TAS5707_CH1_BQ0_REG, TAS5707_CH2_BQ6_REG),
+};
+
+static const struct regmap_access_table tas5707_volatile_regs = {
+ .yes_ranges = tas5707_volatile_regs_range,
+ .n_yes_ranges = ARRAY_SIZE(tas5707_volatile_regs_range),
+
+};
+
+static const DECLARE_TLV_DB_SCALE(tas5707_volume_tlv, -7900, 50, 1);
+
+static const char * const tas5707_volume_slew_step_txt[] = {
+ "256", "512", "1024", "2048",
+};
+
+static const unsigned int tas5707_volume_slew_step_values[] = {
+ 3, 0, 1, 2,
+};
+
+static const SOC_VALUE_ENUM_SINGLE_DECL(tas5707_volume_slew_step_enum,
+ TAS571X_VOL_CFG_REG, 0, 0x3,
+ tas5707_volume_slew_step_txt,
+ tas5707_volume_slew_step_values);
+
+static const struct snd_kcontrol_new tas5707_controls[] = {
+ SOC_SINGLE_TLV("Master Volume",
+ TAS571X_MVOL_REG,
+ 0, 0xff, 1, tas5707_volume_tlv),
+ SOC_DOUBLE_R_TLV("Speaker Volume",
+ TAS571X_CH1_VOL_REG,
+ TAS571X_CH2_VOL_REG,
+ 0, 0xff, 1, tas5707_volume_tlv),
+ SOC_DOUBLE("Speaker Switch",
+ TAS571X_SOFT_MUTE_REG,
+ TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
+ 1, 1),
+
+ SOC_ENUM("Slew Rate Steps", tas5707_volume_slew_step_enum),
+
+ BIQUAD_COEFS("CH1 - Biquad 0", TAS5707_CH1_BQ0_REG),
+ BIQUAD_COEFS("CH1 - Biquad 1", TAS5707_CH1_BQ1_REG),
+ BIQUAD_COEFS("CH1 - Biquad 2", TAS5707_CH1_BQ2_REG),
+ BIQUAD_COEFS("CH1 - Biquad 3", TAS5707_CH1_BQ3_REG),
+ BIQUAD_COEFS("CH1 - Biquad 4", TAS5707_CH1_BQ4_REG),
+ BIQUAD_COEFS("CH1 - Biquad 5", TAS5707_CH1_BQ5_REG),
+ BIQUAD_COEFS("CH1 - Biquad 6", TAS5707_CH1_BQ6_REG),
+
+ BIQUAD_COEFS("CH2 - Biquad 0", TAS5707_CH2_BQ0_REG),
+ BIQUAD_COEFS("CH2 - Biquad 1", TAS5707_CH2_BQ1_REG),
+ BIQUAD_COEFS("CH2 - Biquad 2", TAS5707_CH2_BQ2_REG),
+ BIQUAD_COEFS("CH2 - Biquad 3", TAS5707_CH2_BQ3_REG),
+ BIQUAD_COEFS("CH2 - Biquad 4", TAS5707_CH2_BQ4_REG),
+ BIQUAD_COEFS("CH2 - Biquad 5", TAS5707_CH2_BQ5_REG),
+ BIQUAD_COEFS("CH2 - Biquad 6", TAS5707_CH2_BQ6_REG),
+};
+
+static const struct reg_default tas5707_reg_defaults[] = {
+ {TAS571X_CLK_CTRL_REG, 0x6c},
+ {TAS571X_DEV_ID_REG, 0x70},
+ {TAS571X_ERR_STATUS_REG, 0x00},
+ {TAS571X_SYS_CTRL_1_REG, 0xa0},
+ {TAS571X_SDI_REG, 0x05},
+ {TAS571X_SYS_CTRL_2_REG, 0x40},
+ {TAS571X_SOFT_MUTE_REG, 0x00},
+ {TAS571X_MVOL_REG, 0xff},
+ {TAS571X_CH1_VOL_REG, 0x30},
+ {TAS571X_CH2_VOL_REG, 0x30},
+ {TAS571X_VOL_CFG_REG, 0x91},
+ {TAS571X_MODULATION_LIMIT_REG, 0x02},
+ {TAS571X_IC_DELAY_CH1_REG, 0xac},
+ {TAS571X_IC_DELAY_CH2_REG, 0x54},
+ {TAS571X_IC_DELAY_CH3_REG, 0xac},
+ {TAS571X_IC_DELAY_CH4_REG, 0x54},
+ {TAS571X_START_STOP_PERIOD_REG, 0x0f},
+ {TAS571X_OSC_TRIM_REG, 0x82},
+ {TAS571X_BKND_ERR_REG, 0x02},
+ {TAS571X_INPUT_MUX_REG, 0x17772},
+ {TAS571X_PWM_MUX_REG, 0x1021345},
+};
+
+static const struct regmap_config tas5707_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 32,
+ .max_register = 0xff,
+ .reg_read = tas571x_reg_read,
+ .reg_write = tas571x_reg_write,
+ .reg_defaults = tas5707_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(tas5707_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
+ .wr_table = &tas571x_write_regs,
+ .volatile_table = &tas5707_volatile_regs,
+};
+
+static const struct tas571x_chip tas5707_chip = {
+ .supply_names = tas5711_supply_names,
+ .num_supply_names = ARRAY_SIZE(tas5711_supply_names),
+ .controls = tas5707_controls,
+ .num_controls = ARRAY_SIZE(tas5707_controls),
+ .regmap_config = &tas5707_regmap_config,
+ .vol_reg_size = 1,
+};
+
static const char *const tas5717_supply_names[] = {
"AVDD",
"DVDD",
@@ -775,6 +883,7 @@ static int tas571x_i2c_remove(struct i2c_client *client)
}
static const struct of_device_id tas571x_of_match[] = {
+ { .compatible = "ti,tas5707", .data = &tas5707_chip, },
{ .compatible = "ti,tas5711", .data = &tas5711_chip, },
{ .compatible = "ti,tas5717", .data = &tas5717_chip, },
{ .compatible = "ti,tas5719", .data = &tas5717_chip, },
@@ -784,6 +893,7 @@ static const struct of_device_id tas571x_of_match[] = {
MODULE_DEVICE_TABLE(of, tas571x_of_match);
static const struct i2c_device_id tas571x_i2c_id[] = {
+ { "tas5707", (kernel_ulong_t) &tas5707_chip },
{ "tas5711", (kernel_ulong_t) &tas5711_chip },
{ "tas5717", (kernel_ulong_t) &tas5717_chip },
{ "tas5719", (kernel_ulong_t) &tas5717_chip },
diff --git a/sound/soc/codecs/tas571x.h b/sound/soc/codecs/tas571x.h
index c45677bc26ad..bd23e89cfe79 100644
--- a/sound/soc/codecs/tas571x.h
+++ b/sound/soc/codecs/tas571x.h
@@ -53,6 +53,22 @@
#define TAS571X_PWM_MUX_REG 0x25
/* 20-byte biquad registers */
+#define TAS5707_CH1_BQ0_REG 0x29
+#define TAS5707_CH1_BQ1_REG 0x2a
+#define TAS5707_CH1_BQ2_REG 0x2b
+#define TAS5707_CH1_BQ3_REG 0x2c
+#define TAS5707_CH1_BQ4_REG 0x2d
+#define TAS5707_CH1_BQ5_REG 0x2e
+#define TAS5707_CH1_BQ6_REG 0x2f
+
+#define TAS5707_CH2_BQ0_REG 0x30
+#define TAS5707_CH2_BQ1_REG 0x31
+#define TAS5707_CH2_BQ2_REG 0x32
+#define TAS5707_CH2_BQ3_REG 0x33
+#define TAS5707_CH2_BQ4_REG 0x34
+#define TAS5707_CH2_BQ5_REG 0x35
+#define TAS5707_CH2_BQ6_REG 0x36
+
#define TAS5717_CH1_BQ0_REG 0x26
#define TAS5717_CH1_BQ1_REG 0x27
#define TAS5717_CH1_BQ2_REG 0x28
--
2.14.4