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Commit 1a476abc authored by Frank Shi's avatar Frank Shi Committed by Mark Brown
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tas2770: add tas2770 smart PA kernel driver 

add tas2770 smart PA kernel driver
Signed-off-by: default avatarFrank Shi <shifu0704@thundersoft.com>
Link: https://lore.kernel.org/r/1568962709-19185-2-git-send-email-shifu0704@thundersoft.comSigned-off-by: default avatarMark Brown <broonie@kernel.org>
parent 4378f1fb
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sound/soc/codecs/Kconfig
View file @ 1a476abc
...@@ -179,6 +179,7 @@ config SND_SOC_ALL_CODECS ...@@ -179,6 +179,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_STAC9766 if SND_SOC_AC97_BUS select SND_SOC_STAC9766 if SND_SOC_AC97_BUS
select SND_SOC_STI_SAS select SND_SOC_STI_SAS
select SND_SOC_TAS2552 if I2C select SND_SOC_TAS2552 if I2C
select SND_SOC_TAS2770 if I2C
select SND_SOC_TAS5086 if I2C select SND_SOC_TAS5086 if I2C
select SND_SOC_TAS571X if I2C select SND_SOC_TAS571X if I2C
select SND_SOC_TAS5720 if I2C select SND_SOC_TAS5720 if I2C
...@@ -1104,6 +1105,10 @@ config SND_SOC_TAS2552 ...@@ -1104,6 +1105,10 @@ config SND_SOC_TAS2552
tristate "Texas Instruments TAS2552 Mono Audio amplifier" tristate "Texas Instruments TAS2552 Mono Audio amplifier"
depends on I2C depends on I2C
config SND_SOC_TAS2770
tristate "Texas Instruments TAS2770 speaker amplifier"
depends on I2C
config SND_SOC_TAS5086 config SND_SOC_TAS5086
tristate "Texas Instruments TAS5086 speaker amplifier" tristate "Texas Instruments TAS5086 speaker amplifier"
depends on I2C depends on I2C
......
sound/soc/codecs/Makefile
View file @ 1a476abc
...@@ -196,6 +196,7 @@ snd-soc-tas571x-objs := tas571x.o ...@@ -196,6 +196,7 @@ snd-soc-tas571x-objs := tas571x.o
snd-soc-tas5720-objs := tas5720.o snd-soc-tas5720-objs := tas5720.o
snd-soc-tas6424-objs := tas6424.o snd-soc-tas6424-objs := tas6424.o
snd-soc-tda7419-objs := tda7419.o snd-soc-tda7419-objs := tda7419.o
snd-soc-tas2770-objs := tas2770.o
snd-soc-tfa9879-objs := tfa9879.o snd-soc-tfa9879-objs := tfa9879.o
snd-soc-tlv320aic23-objs := tlv320aic23.o snd-soc-tlv320aic23-objs := tlv320aic23.o
snd-soc-tlv320aic23-i2c-objs := tlv320aic23-i2c.o snd-soc-tlv320aic23-i2c-objs := tlv320aic23-i2c.o
...@@ -479,6 +480,7 @@ obj-$(CONFIG_SND_SOC_TAS571X) += snd-soc-tas571x.o ...@@ -479,6 +480,7 @@ obj-$(CONFIG_SND_SOC_TAS571X) += snd-soc-tas571x.o
obj-$(CONFIG_SND_SOC_TAS5720) += snd-soc-tas5720.o obj-$(CONFIG_SND_SOC_TAS5720) += snd-soc-tas5720.o
obj-$(CONFIG_SND_SOC_TAS6424) += snd-soc-tas6424.o obj-$(CONFIG_SND_SOC_TAS6424) += snd-soc-tas6424.o
obj-$(CONFIG_SND_SOC_TDA7419) += snd-soc-tda7419.o obj-$(CONFIG_SND_SOC_TDA7419) += snd-soc-tda7419.o
obj-$(CONFIG_SND_SOC_TAS2770) += snd-soc-tas2770.o
obj-$(CONFIG_SND_SOC_TFA9879) += snd-soc-tfa9879.o obj-$(CONFIG_SND_SOC_TFA9879) += snd-soc-tfa9879.o
obj-$(CONFIG_SND_SOC_TLV320AIC23) += snd-soc-tlv320aic23.o obj-$(CONFIG_SND_SOC_TLV320AIC23) += snd-soc-tlv320aic23.o
obj-$(CONFIG_SND_SOC_TLV320AIC23_I2C) += snd-soc-tlv320aic23-i2c.o obj-$(CONFIG_SND_SOC_TLV320AIC23_I2C) += snd-soc-tlv320aic23-i2c.o
......
sound/soc/codecs/tas2770.c 0 → 100644
View file @ 1a476abc
// SPDX-License-Identifier: GPL-2.0
//
// ALSA SoC Texas Instruments TAS2770 20-W Digital Input Mono Class-D
// Audio Amplifier with Speaker I/V Sense
//
// Copyright (C) 2016-2017 Texas Instruments Incorporated - http://www.ti.com/
// Author: Tracy Yi <tracy-yi@ti.com>
// Frank Shi <shifu0704@thundersoft.com>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
#include <linux/firmware.h>
#include <linux/regmap.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
#include <linux/slab.h>
#include <sound/soc.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include "tas2770.h"
#define TAS2770_MDELAY 0xFFFFFFFE
static void tas2770_reset(struct tas2770_priv *tas2770)
{
if (tas2770->reset_gpio) {
gpiod_set_value_cansleep(tas2770->reset_gpio, 0);
msleep(20);
gpiod_set_value_cansleep(tas2770->reset_gpio, 1);
}
snd_soc_component_write(tas2770->component, TAS2770_SW_RST,
TAS2770_RST);
}
static int tas2770_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
struct tas2770_priv *tas2770 =
snd_soc_component_get_drvdata(component);
switch (level) {
case SND_SOC_BIAS_ON:
snd_soc_component_update_bits(component,
TAS2770_PWR_CTRL,
TAS2770_PWR_CTRL_MASK,
TAS2770_PWR_CTRL_ACTIVE);
break;
case SND_SOC_BIAS_OFF:
snd_soc_component_update_bits(component,
TAS2770_PWR_CTRL,
TAS2770_PWR_CTRL_MASK,
TAS2770_PWR_CTRL_SHUTDOWN);
break;
default:
dev_err(tas2770->dev,
"wrong power level setting %d\n", level);
return -EINVAL;
}
return 0;
}
#ifdef CONFIG_PM
static int tas2770_codec_suspend(struct snd_soc_component *component)
{
int ret;
ret = snd_soc_component_update_bits(component,
TAS2770_PWR_CTRL,
TAS2770_PWR_CTRL_MASK,
TAS2770_PWR_CTRL_SHUTDOWN);
if (ret)
return ret;
return 0;
}
static int tas2770_codec_resume(struct snd_soc_component *component)
{
int ret;
ret = snd_soc_component_update_bits(component,
TAS2770_PWR_CTRL,
TAS2770_PWR_CTRL_MASK,
TAS2770_PWR_CTRL_ACTIVE);
if (ret)
return -EINVAL;
return 0;
}
#else
#define tas2770_codec_suspend NULL
#define tas2770_codec_resume NULL
#endif
static const char * const tas2770_ASI1_src[] = {
"I2C offset", "Left", "Right", "LeftRightDiv2",
};
static SOC_ENUM_SINGLE_DECL(
tas2770_ASI1_src_enum, TAS2770_TDM_CFG_REG2,
4, tas2770_ASI1_src);
static const struct snd_kcontrol_new tas2770_asi1_mux =
SOC_DAPM_ENUM("ASI1 Source", tas2770_ASI1_src_enum);
static int tas2770_dac_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component =
snd_soc_dapm_to_component(w->dapm);
struct tas2770_priv *tas2770 =
snd_soc_component_get_drvdata(component);
int ret;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
ret = snd_soc_component_update_bits(component,
TAS2770_PWR_CTRL,
TAS2770_PWR_CTRL_MASK,
TAS2770_PWR_CTRL_MUTE);
if (ret)
goto end;
break;
case SND_SOC_DAPM_PRE_PMD:
ret = snd_soc_component_update_bits(component,
TAS2770_PWR_CTRL,
TAS2770_PWR_CTRL_MASK,
TAS2770_PWR_CTRL_SHUTDOWN);
if (ret)
goto end;
break;
default:
dev_err(tas2770->dev, "Not supported evevt\n");
return -EINVAL;
}
end:
return ret;
}
static const struct snd_kcontrol_new isense_switch =
SOC_DAPM_SINGLE("Switch", TAS2770_PWR_CTRL, 3, 1, 1);
static const struct snd_kcontrol_new vsense_switch =
SOC_DAPM_SINGLE("Switch", TAS2770_PWR_CTRL, 2, 1, 1);
static const struct snd_soc_dapm_widget tas2770_dapm_widgets[] = {
SND_SOC_DAPM_AIF_IN("ASI1", "ASI1 Playback", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_MUX("ASI1 Sel", SND_SOC_NOPM, 0, 0,
&tas2770_asi1_mux),
SND_SOC_DAPM_SWITCH("ISENSE", TAS2770_PWR_CTRL, 3, 1,
&isense_switch),
SND_SOC_DAPM_SWITCH("VSENSE", TAS2770_PWR_CTRL, 2, 1,
&vsense_switch),
SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2770_dac_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_OUTPUT("OUT"),
SND_SOC_DAPM_SIGGEN("VMON"),
SND_SOC_DAPM_SIGGEN("IMON")
};
static const struct snd_soc_dapm_route tas2770_audio_map[] = {
{"ASI1 Sel", "I2C offset", "ASI1"},
{"ASI1 Sel", "Left", "ASI1"},
{"ASI1 Sel", "Right", "ASI1"},
{"ASI1 Sel", "LeftRightDiv2", "ASI1"},
{"DAC", NULL, "ASI1 Sel"},
{"OUT", NULL, "DAC"},
{"ISENSE", "Switch", "IMON"},
{"VSENSE", "Switch", "VMON"},
};
static int tas2770_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_component *component = dai->component;
int ret;
if (mute)
ret = snd_soc_component_update_bits(component,
TAS2770_PWR_CTRL,
TAS2770_PWR_CTRL_MASK,
TAS2770_PWR_CTRL_MUTE);
else
ret = snd_soc_component_update_bits(component,
TAS2770_PWR_CTRL,
TAS2770_PWR_CTRL_MASK,
TAS2770_PWR_CTRL_ACTIVE);
return ret;
}
static int tas2770_set_bitwidth(struct tas2770_priv *tas2770, int bitwidth)
{
int ret;
struct snd_soc_component *component = tas2770->component;
switch (bitwidth) {
case SNDRV_PCM_FORMAT_S16_LE:
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG2,
TAS2770_TDM_CFG_REG2_RXW_MASK,
TAS2770_TDM_CFG_REG2_RXW_16BITS);
tas2770->v_sense_slot = tas2770->i_sense_slot + 2;
break;
case SNDRV_PCM_FORMAT_S24_LE:
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG2,
TAS2770_TDM_CFG_REG2_RXW_MASK,
TAS2770_TDM_CFG_REG2_RXW_24BITS);
tas2770->v_sense_slot = tas2770->i_sense_slot + 4;
break;
case SNDRV_PCM_FORMAT_S32_LE:
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG2,
TAS2770_TDM_CFG_REG2_RXW_MASK,
TAS2770_TDM_CFG_REG2_RXW_32BITS);
tas2770->v_sense_slot = tas2770->i_sense_slot + 4;
break;
default:
return -EINVAL;
}
tas2770->channel_size = bitwidth;
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG5,
TAS2770_TDM_CFG_REG5_VSNS_MASK |
TAS2770_TDM_CFG_REG5_50_MASK,
TAS2770_TDM_CFG_REG5_VSNS_ENABLE |
tas2770->v_sense_slot);
if (ret)
goto end;
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG6,
TAS2770_TDM_CFG_REG6_ISNS_MASK |
TAS2770_TDM_CFG_REG6_50_MASK,
TAS2770_TDM_CFG_REG6_ISNS_ENABLE |
tas2770->i_sense_slot);
end:
return ret;
}
static int tas2770_set_samplerate(struct tas2770_priv *tas2770, int samplerate)
{
int ret;
struct snd_soc_component *component = tas2770->component;
switch (samplerate) {
case 48000:
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG0,
TAS2770_TDM_CFG_REG0_SMP_MASK,
TAS2770_TDM_CFG_REG0_SMP_48KHZ);
if (ret)
goto end;
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG0,
TAS2770_TDM_CFG_REG0_31_MASK,
TAS2770_TDM_CFG_REG0_31_44_1_48KHZ);
if (ret)
goto end;
break;
case 44100:
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG0,
TAS2770_TDM_CFG_REG0_SMP_MASK,
TAS2770_TDM_CFG_REG0_SMP_44_1KHZ);
if (ret)
goto end;
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG0,
TAS2770_TDM_CFG_REG0_31_MASK,
TAS2770_TDM_CFG_REG0_31_44_1_48KHZ);
if (ret)
goto end;
break;
case 96000:
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG0,
TAS2770_TDM_CFG_REG0_SMP_MASK,
TAS2770_TDM_CFG_REG0_SMP_48KHZ);
if (ret)
goto end;
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG0,
TAS2770_TDM_CFG_REG0_31_MASK,
TAS2770_TDM_CFG_REG0_31_88_2_96KHZ);
break;
case 88200:
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG0,
TAS2770_TDM_CFG_REG0_SMP_MASK,
TAS2770_TDM_CFG_REG0_SMP_44_1KHZ);
if (ret)
goto end;
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG0,
TAS2770_TDM_CFG_REG0_31_MASK,
TAS2770_TDM_CFG_REG0_31_88_2_96KHZ);
break;
case 19200:
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG0,
TAS2770_TDM_CFG_REG0_SMP_MASK,
TAS2770_TDM_CFG_REG0_SMP_48KHZ);
if (ret)
goto end;
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG0,
TAS2770_TDM_CFG_REG0_31_MASK,
TAS2770_TDM_CFG_REG0_31_176_4_192KHZ);
if (ret)
goto end;
break;
case 17640:
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG0,
TAS2770_TDM_CFG_REG0_SMP_MASK,
TAS2770_TDM_CFG_REG0_SMP_44_1KHZ);
if (ret)
goto end;
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG0,
TAS2770_TDM_CFG_REG0_31_MASK,
TAS2770_TDM_CFG_REG0_31_176_4_192KHZ);
break;
default:
ret = -EINVAL;
}
end:
if (!ret)
tas2770->sampling_rate = samplerate;
return ret;
}
static int tas2770_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct tas2770_priv *tas2770 =
snd_soc_component_get_drvdata(component);
int ret;
ret = tas2770_set_bitwidth(tas2770, params_format(params));
if (ret < 0)
goto end;
ret = tas2770_set_samplerate(tas2770, params_rate(params));
end:
return ret;
}
static int tas2770_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
u8 tdm_rx_start_slot = 0, asi_cfg_1 = 0;
int ret;
int value = 0;
struct snd_soc_component *component = dai->component;
struct tas2770_priv *tas2770 =
snd_soc_component_get_drvdata(component);
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
break;
default:
dev_err(tas2770->dev, "ASI format master is not found\n");
return -EINVAL;
}
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
asi_cfg_1 |= TAS2770_TDM_CFG_REG1_RX_RSING;
break;
case SND_SOC_DAIFMT_IB_NF:
asi_cfg_1 |= TAS2770_TDM_CFG_REG1_RX_FALING;
break;
default:
dev_err(tas2770->dev, "ASI format Inverse is not found\n");
return -EINVAL;
}
ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG1,
TAS2770_TDM_CFG_REG1_RX_MASK,
asi_cfg_1);
if (ret)
return ret;
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
tdm_rx_start_slot = 1;
break;
case SND_SOC_DAIFMT_DSP_A:
tdm_rx_start_slot = 0;
break;
case SND_SOC_DAIFMT_DSP_B:
tdm_rx_start_slot = 1;
break;
case SND_SOC_DAIFMT_LEFT_J:
tdm_rx_start_slot = 0;
break;
default:
dev_err(tas2770->dev,
"DAI Format is not found, fmt=0x%x\n", fmt);
return -EINVAL;
}
ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG1,
TAS2770_TDM_CFG_REG1_MASK,
(tdm_rx_start_slot << TAS2770_TDM_CFG_REG1_51_SHIFT));
if (ret)
return ret;
value = snd_soc_component_read32(component, TAS2770_TDM_CFG_REG3);
tas2770->asi_format = fmt;
return 0;
}
static int tas2770_set_dai_tdm_slot(struct snd_soc_dai *dai,
unsigned int tx_mask,
unsigned int rx_mask,
int slots, int slot_width)
{
struct snd_soc_component *component = dai->component;
struct tas2770_priv *tas2770 =
snd_soc_component_get_drvdata(component);
int left_slot, right_slot;
int ret;
if (tx_mask == 0 || rx_mask != 0)
return -EINVAL;
if (slots == 1) {
if (tx_mask != 1)
return -EINVAL;
left_slot = 0;
right_slot = 0;
} else {
left_slot = __ffs(tx_mask);
tx_mask &= ~(1 << left_slot);
if (tx_mask == 0) {
right_slot = left_slot;
} else {
right_slot = __ffs(tx_mask);
tx_mask &= ~(1 << right_slot);
}
}
if (tx_mask != 0 || left_slot >= slots || right_slot >= slots)
return -EINVAL;
ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG3,
TAS2770_TDM_CFG_REG3_30_MASK,
(left_slot << TAS2770_TDM_CFG_REG3_30_SHIFT));
if (ret)
return ret;
ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG3,
TAS2770_TDM_CFG_REG3_RXS_MASK,
(right_slot << TAS2770_TDM_CFG_REG3_RXS_SHIFT));
if (ret)
return ret;
switch (slot_width) {
case 16:
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG2,
TAS2770_TDM_CFG_REG2_RXS_MASK,
TAS2770_TDM_CFG_REG2_RXS_16BITS);
break;
case 24:
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG2,
TAS2770_TDM_CFG_REG2_RXS_MASK,
TAS2770_TDM_CFG_REG2_RXS_24BITS);
break;
case 32:
ret = snd_soc_component_update_bits(component,
TAS2770_TDM_CFG_REG2,
TAS2770_TDM_CFG_REG2_RXS_MASK,
TAS2770_TDM_CFG_REG2_RXS_32BITS);
break;
case 0:
/* Do not change slot width */
ret = 0;
break;
default:
ret = -EINVAL;
}
if (!ret)
tas2770->slot_width = slot_width;
return ret;
}
static struct snd_soc_dai_ops tas2770_dai_ops = {
.digital_mute = tas2770_mute,
.hw_params = tas2770_hw_params,
.set_fmt = tas2770_set_fmt,
.set_tdm_slot = tas2770_set_dai_tdm_slot,
};
#define TAS2770_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
#define TAS2770_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
SNDRV_PCM_RATE_96000 |\
SNDRV_PCM_RATE_192000\
)
static struct snd_soc_dai_driver tas2770_dai_driver[] = {
{
.name = "tas2770 ASI1",
.id = 0,
.playback = {
.stream_name = "ASI1 Playback",
.channels_min = 2,
.channels_max = 2,
.rates = TAS2770_RATES,
.formats = TAS2770_FORMATS,
},
.capture = {
.stream_name = "ASI1 Capture",
.channels_min = 0,
.channels_max = 2,
.rates = TAS2770_RATES,
.formats = TAS2770_FORMATS,
},
.ops = &tas2770_dai_ops,
.symmetric_rates = 1,
},
};
static int tas2770_codec_probe(struct snd_soc_component *component)
{
struct tas2770_priv *tas2770 =
snd_soc_component_get_drvdata(component);
tas2770->component = component;
return 0;
}
static DECLARE_TLV_DB_SCALE(tas2770_digital_tlv, 1100, 50, 0);
static DECLARE_TLV_DB_SCALE(tas2770_playback_volume, -12750, 50, 0);
static const struct snd_kcontrol_new tas2770_snd_controls[] = {
SOC_SINGLE_TLV("Speaker Playback Volume", TAS2770_PLAY_CFG_REG2,
0, TAS2770_PLAY_CFG_REG2_VMAX, 1,
tas2770_playback_volume),
SOC_SINGLE_TLV("Amp Gain Volume", TAS2770_PLAY_CFG_REG0,
0, 0x14, 0,
tas2770_digital_tlv),
};
static const struct snd_soc_component_driver soc_component_driver_tas2770 = {
.probe = tas2770_codec_probe,
.suspend = tas2770_codec_suspend,
.resume = tas2770_codec_resume,
.set_bias_level = tas2770_set_bias_level,
.controls = tas2770_snd_controls,
.num_controls = ARRAY_SIZE(tas2770_snd_controls),
.dapm_widgets = tas2770_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(tas2770_dapm_widgets),
.dapm_routes = tas2770_audio_map,
.num_dapm_routes = ARRAY_SIZE(tas2770_audio_map),
.idle_bias_on = 1,
.endianness = 1,
.non_legacy_dai_naming = 1,
};
static int tas2770_register_codec(struct tas2770_priv *tas2770)
{
return devm_snd_soc_register_component(tas2770->dev,
&soc_component_driver_tas2770,
tas2770_dai_driver, ARRAY_SIZE(tas2770_dai_driver));
}
static const struct reg_default tas2770_reg_defaults[] = {
{ TAS2770_PAGE, 0x00 },
{ TAS2770_SW_RST, 0x00 },
{ TAS2770_PWR_CTRL, 0x0e },
{ TAS2770_PLAY_CFG_REG0, 0x10 },
{ TAS2770_PLAY_CFG_REG1, 0x01 },
{ TAS2770_PLAY_CFG_REG2, 0x00 },
{ TAS2770_MSC_CFG_REG0, 0x07 },
{ TAS2770_TDM_CFG_REG1, 0x02 },
{ TAS2770_TDM_CFG_REG2, 0x0a },
{ TAS2770_TDM_CFG_REG3, 0x10 },
{ TAS2770_INT_MASK_REG0, 0xfc },
{ TAS2770_INT_MASK_REG1, 0xb1 },
{ TAS2770_INT_CFG, 0x05 },
{ TAS2770_MISC_IRQ, 0x81 },
{ TAS2770_CLK_CGF, 0x0c },
};
static bool tas2770_volatile(struct device *dev, unsigned int reg)
{
switch (reg) {
case TAS2770_PAGE: /* regmap implementation requires this */
case TAS2770_SW_RST: /* always clears after write */
case TAS2770_BO_PRV_REG0:/* has a self clearing bit */
case TAS2770_LVE_INT_REG0:
case TAS2770_LVE_INT_REG1:
case TAS2770_LAT_INT_REG0:/* Sticky interrupt flags */
case TAS2770_LAT_INT_REG1:/* Sticky interrupt flags */
case TAS2770_VBAT_MSB:
case TAS2770_VBAT_LSB:
case TAS2770_TEMP_MSB:
case TAS2770_TEMP_LSB:
return true;
}
return false;
}
static bool tas2770_writeable(struct device *dev, unsigned int reg)
{
switch (reg) {
case TAS2770_LVE_INT_REG0:
case TAS2770_LVE_INT_REG1:
case TAS2770_LAT_INT_REG0:
case TAS2770_LAT_INT_REG1:
case TAS2770_VBAT_MSB:
case TAS2770_VBAT_LSB:
case TAS2770_TEMP_MSB:
case TAS2770_TEMP_LSB:
case TAS2770_TDM_CLK_DETC:
case TAS2770_REV_AND_GPID:
return false;
}
return true;
}
static const struct regmap_range_cfg tas2770_regmap_ranges[] = {
{
.range_min = 0,
.range_max = 1 * 128,
.selector_reg = TAS2770_PAGE,
.selector_mask = 0xff,
.selector_shift = 0,
.window_start = 0,
.window_len = 128,
},
};
static const struct regmap_config tas2770_i2c_regmap = {
.reg_bits = 8,
.val_bits = 8,
.writeable_reg = tas2770_writeable,
.volatile_reg = tas2770_volatile,
.reg_defaults = tas2770_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(tas2770_reg_defaults),
.cache_type = REGCACHE_RBTREE,
.ranges = tas2770_regmap_ranges,
.num_ranges = ARRAY_SIZE(tas2770_regmap_ranges),
.max_register = 1 * 128,
};
static int tas2770_parse_dt(struct device *dev, struct tas2770_priv *tas2770)
{
int rc = 0;
rc = fwnode_property_read_u32(dev->fwnode, "ti,asi-format",
&tas2770->asi_format);
if (rc) {
dev_err(tas2770->dev, "Looking up %s property failed %d\n",
"ti,asi-format", rc);
goto end;
}
rc = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no",
&tas2770->i_sense_slot);
if (rc) {
dev_err(tas2770->dev, "Looking up %s property failed %d\n",
"ti,imon-slot-no", rc);
goto end;
}
rc = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no",
&tas2770->v_sense_slot);
if (rc) {
dev_err(tas2770->dev, "Looking up %s property failed %d\n",
"ti,vmon-slot-no", rc);
goto end;
}
end:
return rc;
}
static int tas2770_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct tas2770_priv *tas2770;
int result;
tas2770 = devm_kzalloc(&client->dev,
sizeof(struct tas2770_priv), GFP_KERNEL);
if (!tas2770)
return -ENOMEM;
tas2770->dev = &client->dev;
i2c_set_clientdata(client, tas2770);
dev_set_drvdata(&client->dev, tas2770);
tas2770->power_state = TAS2770_POWER_SHUTDOWN;
tas2770->regmap = devm_regmap_init_i2c(client, &tas2770_i2c_regmap);
if (IS_ERR(tas2770->regmap)) {
result = PTR_ERR(tas2770->regmap);
dev_err(&client->dev, "Failed to allocate register map: %d\n",
result);
goto end;
}
if (client->dev.of_node) {
result = tas2770_parse_dt(&client->dev, tas2770);
if (result) {
dev_err(tas2770->dev, "%s: Failed to parse devicetree\n",
__func__);
goto end;
}
}
tas2770->reset_gpio = devm_gpiod_get_optional(tas2770->dev,
"reset-gpio",
GPIOD_OUT_HIGH);
if (IS_ERR(tas2770->reset_gpio)) {
if (PTR_ERR(tas2770->reset_gpio) == -EPROBE_DEFER) {
tas2770->reset_gpio = NULL;
return -EPROBE_DEFER;
}
}
tas2770->channel_size = 0;
tas2770->slot_width = 0;
tas2770_reset(tas2770);
result = tas2770_register_codec(tas2770);
if (result)
dev_err(tas2770->dev, "Register codec failed.\n");
end:
return result;
}
static int tas2770_i2c_remove(struct i2c_client *client)
{
pm_runtime_disable(&client->dev);
return 0;
}
static const struct i2c_device_id tas2770_i2c_id[] = {
{ "tas2770", 0},
{ }
};
MODULE_DEVICE_TABLE(i2c, tas2770_i2c_id);
#if defined(CONFIG_OF)
static const struct of_device_id tas2770_of_match[] = {
{ .compatible = "ti,tas2770" },
{},
};
MODULE_DEVICE_TABLE(of, tas2770_of_match);
#endif
static struct i2c_driver tas2770_i2c_driver = {
.driver = {
.name = "tas2770",
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(tas2770_of_match),
},
.probe = tas2770_i2c_probe,
.remove = tas2770_i2c_remove,
.id_table = tas2770_i2c_id,
};
module_i2c_driver(tas2770_i2c_driver);
MODULE_AUTHOR("Shi Fu <shifu0704@thundersoft.com>");
MODULE_DESCRIPTION("TAS2770 I2C Smart Amplifier driver");
MODULE_LICENSE("GPL v2");
sound/soc/codecs/tas2770.h 0 → 100644
View file @ 1a476abc
/* SPDX-License-Identifier: GPL-2.0
*
* ALSA SoC TAS2770 codec driver
*
* Copyright (C) 2016-2017 Texas Instruments Incorporated - http://www.ti.com/
*/
#ifndef __TAS2770__
#define __TAS2770__
/* Book Control Register (available in page0 of each book) */
#define TAS2770_BOOKCTL_PAGE 0
#define TAS2770_BOOKCTL_REG 127
#define TAS2770_REG(page, reg) ((page * 128) + reg)
/* Page */
#define TAS2770_PAGE TAS2770_REG(0X0, 0x00)
#define TAS2770_PAGE_PAGE_MASK 255
/* Software Reset */
#define TAS2770_SW_RST TAS2770_REG(0X0, 0x01)
#define TAS2770_RST BIT(0)
/* Power Control */
#define TAS2770_PWR_CTRL TAS2770_REG(0X0, 0x02)
#define TAS2770_PWR_CTRL_MASK 0x3
#define TAS2770_PWR_CTRL_ACTIVE 0x0
#define TAS2770_PWR_CTRL_MUTE BIT(0)
#define TAS2770_PWR_CTRL_SHUTDOWN 0x2
/* Playback Configuration Reg0 */
#define TAS2770_PLAY_CFG_REG0 TAS2770_REG(0X0, 0x03)
/* Playback Configuration Reg1 */
#define TAS2770_PLAY_CFG_REG1 TAS2770_REG(0X0, 0x04)
/* Playback Configuration Reg2 */
#define TAS2770_PLAY_CFG_REG2 TAS2770_REG(0X0, 0x05)
#define TAS2770_PLAY_CFG_REG2_VMAX 0xc9
/* Misc Configuration Reg0 */
#define TAS2770_MSC_CFG_REG0 TAS2770_REG(0X0, 0x07)
/* TDM Configuration Reg0 */
#define TAS2770_TDM_CFG_REG0 TAS2770_REG(0X0, 0x0A)
#define TAS2770_TDM_CFG_REG0_SMP_MASK BIT(5)
#define TAS2770_TDM_CFG_REG0_SMP_48KHZ 0x0
#define TAS2770_TDM_CFG_REG0_SMP_44_1KHZ BIT(5)
#define TAS2770_TDM_CFG_REG0_31_MASK 0xe
#define TAS2770_TDM_CFG_REG0_31_44_1_48KHZ 0x6
#define TAS2770_TDM_CFG_REG0_31_88_2_96KHZ 0x8
#define TAS2770_TDM_CFG_REG0_31_176_4_192KHZ 0xa
/* TDM Configuration Reg1 */
#define TAS2770_TDM_CFG_REG1 TAS2770_REG(0X0, 0x0B)
#define TAS2770_TDM_CFG_REG1_MASK 0x3e
#define TAS2770_TDM_CFG_REG1_51_SHIFT 1
#define TAS2770_TDM_CFG_REG1_RX_MASK BIT(0)
#define TAS2770_TDM_CFG_REG1_RX_RSING 0x0
#define TAS2770_TDM_CFG_REG1_RX_FALING BIT(0)
/* TDM Configuration Reg2 */
#define TAS2770_TDM_CFG_REG2 TAS2770_REG(0X0, 0x0C)
#define TAS2770_TDM_CFG_REG2_RXW_MASK 0xc
#define TAS2770_TDM_CFG_REG2_RXW_16BITS 0x0
#define TAS2770_TDM_CFG_REG2_RXW_24BITS 0x8
#define TAS2770_TDM_CFG_REG2_RXW_32BITS 0xc
#define TAS2770_TDM_CFG_REG2_RXS_MASK 0x3
#define TAS2770_TDM_CFG_REG2_RXS_16BITS 0x0
#define TAS2770_TDM_CFG_REG2_RXS_24BITS BIT(0)
#define TAS2770_TDM_CFG_REG2_RXS_32BITS 0x2
/* TDM Configuration Reg3 */
#define TAS2770_TDM_CFG_REG3 TAS2770_REG(0X0, 0x0D)
#define TAS2770_TDM_CFG_REG3_RXS_MASK 0xf0
#define TAS2770_TDM_CFG_REG3_RXS_SHIFT 0x4
#define TAS2770_TDM_CFG_REG3_30_MASK 0xf
#define TAS2770_TDM_CFG_REG3_30_SHIFT 0
/* TDM Configuration Reg5 */
#define TAS2770_TDM_CFG_REG5 TAS2770_REG(0X0, 0x0F)
#define TAS2770_TDM_CFG_REG5_VSNS_MASK BIT(6)
#define TAS2770_TDM_CFG_REG5_VSNS_ENABLE BIT(6)
#define TAS2770_TDM_CFG_REG5_50_MASK 0x3f
/* TDM Configuration Reg6 */
#define TAS2770_TDM_CFG_REG6 TAS2770_REG(0X0, 0x10)
#define TAS2770_TDM_CFG_REG6_ISNS_MASK BIT(6)
#define TAS2770_TDM_CFG_REG6_ISNS_ENABLE BIT(6)
#define TAS2770_TDM_CFG_REG6_50_MASK 0x3f
/* Brown Out Prevention Reg0 */
#define TAS2770_BO_PRV_REG0 TAS2770_REG(0X0, 0x1B)
/* Interrupt MASK Reg0 */
#define TAS2770_INT_MASK_REG0 TAS2770_REG(0X0, 0x20)
#define TAS2770_INT_REG0_DEFAULT 0xfc
#define TAS2770_INT_MASK_REG0_DISABLE 0xff
/* Interrupt MASK Reg1 */
#define TAS2770_INT_MASK_REG1 TAS2770_REG(0X0, 0x21)
#define TAS2770_INT_REG1_DEFAULT 0xb1
#define TAS2770_INT_MASK_REG1_DISABLE 0xff
/* Live-Interrupt Reg0 */
#define TAS2770_LVE_INT_REG0 TAS2770_REG(0X0, 0x22)
/* Live-Interrupt Reg1 */
#define TAS2770_LVE_INT_REG1 TAS2770_REG(0X0, 0x23)
/* Latched-Interrupt Reg0 */
#define TAS2770_LAT_INT_REG0 TAS2770_REG(0X0, 0x24)
#define TAS2770_LAT_INT_REG0_OCE_FLG BIT(1)
#define TAS2770_LAT_INT_REG0_OTE_FLG BIT(0)
/* Latched-Interrupt Reg1 */
#define TAS2770_LAT_INT_REG1 TAS2770_REG(0X0, 0x25)
#define TAS2770_LAT_INT_REG1_VBA_TOV BIT(3)
#define TAS2770_LAT_INT_REG1_VBA_TUV BIT(2)
#define TAS2770_LAT_INT_REG1_BOUT_FLG BIT(1)
/* VBAT MSB */
#define TAS2770_VBAT_MSB TAS2770_REG(0X0, 0x27)
/* VBAT LSB */
#define TAS2770_VBAT_LSB TAS2770_REG(0X0, 0x28)
/* TEMP MSB */
#define TAS2770_TEMP_MSB TAS2770_REG(0X0, 0x29)
/* TEMP LSB */
#define TAS2770_TEMP_LSB TAS2770_REG(0X0, 0x2A)
/* Interrupt Configuration */
#define TAS2770_INT_CFG TAS2770_REG(0X0, 0x30)
/* Misc IRQ */
#define TAS2770_MISC_IRQ TAS2770_REG(0X0, 0x32)
/* Clock Configuration */
#define TAS2770_CLK_CGF TAS2770_REG(0X0, 0x3C)
/* TDM Clock detection monitor */
#define TAS2770_TDM_CLK_DETC TAS2770_REG(0X0, 0x77)
/* Revision and PG ID */
#define TAS2770_REV_AND_GPID TAS2770_REG(0X0, 0x7D)
#define TAS2770_POWER_ACTIVE 0
#define TAS2770_POWER_MUTE 1
#define TAS2770_POWER_SHUTDOWN 2
#define ERROR_OVER_CURRENT 0x0000001
#define ERROR_DIE_OVERTEMP 0x0000002
#define ERROR_OVER_VOLTAGE 0x0000004
#define ERROR_UNDER_VOLTAGE 0x0000008
#define ERROR_BROWNOUT 0x0000010
#define ERROR_CLASSD_PWR 0x0000020
#define TAS2770_SLOT_16BIT 16
#define TAS2770_SLOT_32BIT 32
#define TAS2770_I2C_RETRY_COUNT 3
struct tas2770_register {
int book;
int page;
int reg;
};
struct tas2770_dai_cfg {
unsigned int dai_fmt;
unsigned int tdm_delay;
};
struct tas2770_priv {
struct device *dev;
struct regmap *regmap;
struct snd_soc_codec *codec;
struct snd_soc_component *component;
struct mutex dev_lock;
struct hrtimer mtimer;
int power_state;
int asi_format;
struct gpio_desc *reset_gpio;
int sampling_rate;
int frame_size;
int channel_size;
int slot_width;
int v_sense_slot;
int i_sense_slot;
bool runtime_suspend;
unsigned int err_code;
struct mutex codec_lock;
};
#endif /* __TAS2770__ */
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