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ASoC: tas571x: added support for TAS5721

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This adds support for TAS5721.

Signed-off-by: Petr Kulhavy <petr@barix.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Petr Kulhavy 2016-03-31 18:41:26 +02:00 committed by Mark Brown
parent a593ed0904
commit 23a282c4f0
2 changed files with 77 additions and 1 deletions
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2
sound/soc/codecs/Kconfig
View File

@ -737,7 +737,7 @@ config SND_SOC_TAS5086
depends on I2C
config SND_SOC_TAS571X
tristate "Texas Instruments TAS5711/TAS5717/TAS5719 power amplifiers"
tristate "Texas Instruments TAS5711/TAS5717/TAS5719/TAS5721 power amplifiers"
depends on I2C
config SND_SOC_TFA9879

76
sound/soc/codecs/tas571x.c
View File

@ -4,6 +4,9 @@
* Copyright (C) 2015 Google, Inc.
* Copyright (c) 2013 Daniel Mack <zonque@gmail.com>
*
* TAS5721 support:
* Copyright (C) 2016 Petr Kulhavy, Barix AG <petr@barix.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
@ -372,6 +375,77 @@ static const struct tas571x_chip tas5717_chip = {
.vol_reg_size = 2,
};
static const char *const tas5721_supply_names[] = {
"AVDD",
"DVDD",
"DRVDD",
"PVDD",
};
static const struct snd_kcontrol_new tas5721_controls[] = {
SOC_SINGLE_TLV("Master Volume",
TAS571X_MVOL_REG,
0, 0xff, 1, tas5711_volume_tlv),
SOC_DOUBLE_R_TLV("Speaker Volume",
TAS571X_CH1_VOL_REG,
TAS571X_CH2_VOL_REG,
0, 0xff, 1, tas5711_volume_tlv),
SOC_DOUBLE("Speaker Switch",
TAS571X_SOFT_MUTE_REG,
TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT,
1, 1),
};
static const struct reg_default tas5721_reg_defaults[] = {
{TAS571X_CLK_CTRL_REG, 0x6c},
{TAS571X_DEV_ID_REG, 0x00},
{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_CH3_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_PWM_CH_SDN_GROUP_REG, 0x30},
{TAS571X_START_STOP_PERIOD_REG, 0x0f},
{TAS571X_OSC_TRIM_REG, 0x82},
{TAS571X_BKND_ERR_REG, 0x02},
{TAS571X_INPUT_MUX_REG, 0x17772},
{TAS571X_CH4_SRC_SELECT_REG, 0x4303},
{TAS571X_PWM_MUX_REG, 0x1021345},
};
static const struct regmap_config tas5721_regmap_config = {
.reg_bits = 8,
.val_bits = 32,
.max_register = 0xff,
.reg_read = tas571x_reg_read,
.reg_write = tas571x_reg_write,
.reg_defaults = tas5721_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(tas5721_reg_defaults),
.cache_type = REGCACHE_RBTREE,
.wr_table = &tas571x_write_regs,
.volatile_table = &tas571x_volatile_regs,
};
static const struct tas571x_chip tas5721_chip = {
.supply_names = tas5721_supply_names,
.num_supply_names = ARRAY_SIZE(tas5721_supply_names),
.controls = tas5711_controls,
.num_controls = ARRAY_SIZE(tas5711_controls),
.regmap_config = &tas5721_regmap_config,
.vol_reg_size = 1,
};
static const struct snd_soc_dapm_widget tas571x_dapm_widgets[] = {
SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
@ -527,6 +601,7 @@ static const struct of_device_id tas571x_of_match[] = {
{ .compatible = "ti,tas5711", .data = &tas5711_chip, },
{ .compatible = "ti,tas5717", .data = &tas5717_chip, },
{ .compatible = "ti,tas5719", .data = &tas5717_chip, },
{ .compatible = "ti,tas5721", .data = &tas5721_chip, },
{ }
};
MODULE_DEVICE_TABLE(of, tas571x_of_match);
@ -535,6 +610,7 @@ static const struct i2c_device_id tas571x_i2c_id[] = {
{ "tas5711", (kernel_ulong_t) &tas5711_chip },
{ "tas5717", (kernel_ulong_t) &tas5717_chip },
{ "tas5719", (kernel_ulong_t) &tas5717_chip },
{ "tas5721", (kernel_ulong_t) &tas5721_chip },
{ }
};
MODULE_DEVICE_TABLE(i2c, tas571x_i2c_id);