forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
795 lines
21 KiB
795 lines
21 KiB
// SPDX-License-Identifier: GPL-2.0 |
|
// |
|
// Driver for the Texas Instruments TAS2562 CODEC |
|
// Copyright (C) 2019 Texas Instruments Inc. |
|
|
|
|
|
#include <linux/module.h> |
|
#include <linux/errno.h> |
|
#include <linux/device.h> |
|
#include <linux/i2c.h> |
|
#include <linux/pm_runtime.h> |
|
#include <linux/regmap.h> |
|
#include <linux/slab.h> |
|
#include <linux/gpio/consumer.h> |
|
#include <linux/regulator/consumer.h> |
|
#include <linux/delay.h> |
|
|
|
#include <sound/pcm.h> |
|
#include <sound/pcm_params.h> |
|
#include <sound/soc.h> |
|
#include <sound/soc-dapm.h> |
|
#include <sound/tlv.h> |
|
|
|
#include "tas2562.h" |
|
|
|
#define TAS2562_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |\ |
|
SNDRV_PCM_FORMAT_S32_LE) |
|
|
|
/* DVC equation involves floating point math |
|
* round(10^(volume in dB/20)*2^30) |
|
* so create a lookup table for 2dB step |
|
*/ |
|
static const unsigned int float_vol_db_lookup[] = { |
|
0x00000d43, 0x000010b2, 0x00001505, 0x00001a67, 0x00002151, |
|
0x000029f1, 0x000034cd, 0x00004279, 0x000053af, 0x0000695b, |
|
0x0000695b, 0x0000a6fa, 0x0000d236, 0x000108a4, 0x00014d2a, |
|
0x0001a36e, 0x00021008, 0x000298c0, 0x000344df, 0x00041d8f, |
|
0x00052e5a, 0x000685c8, 0x00083621, 0x000a566d, 0x000d03a7, |
|
0x0010624d, 0x0014a050, 0x0019f786, 0x0020b0bc, 0x0029279d, |
|
0x0033cf8d, 0x004139d3, 0x00521d50, 0x00676044, 0x0082248a, |
|
0x00a3d70a, 0x00ce4328, 0x0103ab3d, 0x0146e75d, 0x019b8c27, |
|
0x02061b89, 0x028c423f, 0x03352529, 0x0409c2b0, 0x05156d68, |
|
0x080e9f96, 0x0a24b062, 0x0cc509ab, 0x10137987, 0x143d1362, |
|
0x197a967f, 0x2013739e, 0x28619ae9, 0x32d64617, 0x40000000 |
|
}; |
|
|
|
struct tas2562_data { |
|
struct snd_soc_component *component; |
|
struct gpio_desc *sdz_gpio; |
|
struct regmap *regmap; |
|
struct device *dev; |
|
struct i2c_client *client; |
|
int v_sense_slot; |
|
int i_sense_slot; |
|
int volume_lvl; |
|
int model_id; |
|
bool dac_powered; |
|
bool unmuted; |
|
}; |
|
|
|
enum tas256x_model { |
|
TAS2562, |
|
TAS2563, |
|
TAS2564, |
|
TAS2110, |
|
}; |
|
|
|
static int tas2562_set_samplerate(struct tas2562_data *tas2562, int samplerate) |
|
{ |
|
int samp_rate; |
|
int ramp_rate; |
|
|
|
switch (samplerate) { |
|
case 7350: |
|
ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1; |
|
samp_rate = TAS2562_TDM_CFG0_SAMPRATE_7305_8KHZ; |
|
break; |
|
case 8000: |
|
ramp_rate = 0; |
|
samp_rate = TAS2562_TDM_CFG0_SAMPRATE_7305_8KHZ; |
|
break; |
|
case 14700: |
|
ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1; |
|
samp_rate = TAS2562_TDM_CFG0_SAMPRATE_14_7_16KHZ; |
|
break; |
|
case 16000: |
|
ramp_rate = 0; |
|
samp_rate = TAS2562_TDM_CFG0_SAMPRATE_14_7_16KHZ; |
|
break; |
|
case 22050: |
|
ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1; |
|
samp_rate = TAS2562_TDM_CFG0_SAMPRATE_22_05_24KHZ; |
|
break; |
|
case 24000: |
|
ramp_rate = 0; |
|
samp_rate = TAS2562_TDM_CFG0_SAMPRATE_22_05_24KHZ; |
|
break; |
|
case 29400: |
|
ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1; |
|
samp_rate = TAS2562_TDM_CFG0_SAMPRATE_29_4_32KHZ; |
|
break; |
|
case 32000: |
|
ramp_rate = 0; |
|
samp_rate = TAS2562_TDM_CFG0_SAMPRATE_29_4_32KHZ; |
|
break; |
|
case 44100: |
|
ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1; |
|
samp_rate = TAS2562_TDM_CFG0_SAMPRATE_44_1_48KHZ; |
|
break; |
|
case 48000: |
|
ramp_rate = 0; |
|
samp_rate = TAS2562_TDM_CFG0_SAMPRATE_44_1_48KHZ; |
|
break; |
|
case 88200: |
|
ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1; |
|
samp_rate = TAS2562_TDM_CFG0_SAMPRATE_88_2_96KHZ; |
|
break; |
|
case 96000: |
|
ramp_rate = 0; |
|
samp_rate = TAS2562_TDM_CFG0_SAMPRATE_88_2_96KHZ; |
|
break; |
|
case 176400: |
|
ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1; |
|
samp_rate = TAS2562_TDM_CFG0_SAMPRATE_176_4_192KHZ; |
|
break; |
|
case 192000: |
|
ramp_rate = 0; |
|
samp_rate = TAS2562_TDM_CFG0_SAMPRATE_176_4_192KHZ; |
|
break; |
|
default: |
|
dev_info(tas2562->dev, "%s, unsupported sample rate, %d\n", |
|
__func__, samplerate); |
|
return -EINVAL; |
|
} |
|
|
|
snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG0, |
|
TAS2562_TDM_CFG0_RAMPRATE_MASK, ramp_rate); |
|
snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG0, |
|
TAS2562_TDM_CFG0_SAMPRATE_MASK, samp_rate); |
|
|
|
return 0; |
|
} |
|
|
|
static int tas2562_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 tas2562_data *tas2562 = snd_soc_component_get_drvdata(component); |
|
int left_slot, right_slot; |
|
int slots_cfg; |
|
int ret; |
|
|
|
if (!tx_mask) { |
|
dev_err(component->dev, "tx masks must not be 0\n"); |
|
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); |
|
} |
|
} |
|
|
|
slots_cfg = (right_slot << TAS2562_RIGHT_SLOT_SHIFT) | left_slot; |
|
|
|
ret = snd_soc_component_write(component, TAS2562_TDM_CFG3, slots_cfg); |
|
if (ret < 0) |
|
return ret; |
|
|
|
switch (slot_width) { |
|
case 16: |
|
ret = snd_soc_component_update_bits(component, |
|
TAS2562_TDM_CFG2, |
|
TAS2562_TDM_CFG2_RXLEN_MASK, |
|
TAS2562_TDM_CFG2_RXLEN_16B); |
|
break; |
|
case 24: |
|
ret = snd_soc_component_update_bits(component, |
|
TAS2562_TDM_CFG2, |
|
TAS2562_TDM_CFG2_RXLEN_MASK, |
|
TAS2562_TDM_CFG2_RXLEN_24B); |
|
break; |
|
case 32: |
|
ret = snd_soc_component_update_bits(component, |
|
TAS2562_TDM_CFG2, |
|
TAS2562_TDM_CFG2_RXLEN_MASK, |
|
TAS2562_TDM_CFG2_RXLEN_32B); |
|
break; |
|
|
|
case 0: |
|
/* Do not change slot width */ |
|
break; |
|
default: |
|
dev_err(tas2562->dev, "slot width not supported"); |
|
ret = -EINVAL; |
|
} |
|
|
|
if (ret < 0) |
|
return ret; |
|
|
|
ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG5, |
|
TAS2562_TDM_CFG5_VSNS_SLOT_MASK, |
|
tas2562->v_sense_slot); |
|
if (ret < 0) |
|
return ret; |
|
|
|
ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG6, |
|
TAS2562_TDM_CFG6_ISNS_SLOT_MASK, |
|
tas2562->i_sense_slot); |
|
if (ret < 0) |
|
return ret; |
|
|
|
return 0; |
|
} |
|
|
|
static int tas2562_set_bitwidth(struct tas2562_data *tas2562, int bitwidth) |
|
{ |
|
int ret; |
|
int val; |
|
int sense_en; |
|
|
|
switch (bitwidth) { |
|
case SNDRV_PCM_FORMAT_S16_LE: |
|
snd_soc_component_update_bits(tas2562->component, |
|
TAS2562_TDM_CFG2, |
|
TAS2562_TDM_CFG2_RXWLEN_MASK, |
|
TAS2562_TDM_CFG2_RXWLEN_16B); |
|
break; |
|
case SNDRV_PCM_FORMAT_S24_LE: |
|
snd_soc_component_update_bits(tas2562->component, |
|
TAS2562_TDM_CFG2, |
|
TAS2562_TDM_CFG2_RXWLEN_MASK, |
|
TAS2562_TDM_CFG2_RXWLEN_24B); |
|
break; |
|
case SNDRV_PCM_FORMAT_S32_LE: |
|
snd_soc_component_update_bits(tas2562->component, |
|
TAS2562_TDM_CFG2, |
|
TAS2562_TDM_CFG2_RXWLEN_MASK, |
|
TAS2562_TDM_CFG2_RXWLEN_32B); |
|
break; |
|
|
|
default: |
|
dev_info(tas2562->dev, "Unsupported bitwidth format\n"); |
|
return -EINVAL; |
|
} |
|
|
|
val = snd_soc_component_read(tas2562->component, TAS2562_PWR_CTRL); |
|
if (val < 0) |
|
return val; |
|
|
|
if (val & (1 << TAS2562_VSENSE_POWER_EN)) |
|
sense_en = 0; |
|
else |
|
sense_en = TAS2562_TDM_CFG5_VSNS_EN; |
|
|
|
ret = snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG5, |
|
TAS2562_TDM_CFG5_VSNS_EN, sense_en); |
|
if (ret < 0) |
|
return ret; |
|
|
|
if (val & (1 << TAS2562_ISENSE_POWER_EN)) |
|
sense_en = 0; |
|
else |
|
sense_en = TAS2562_TDM_CFG6_ISNS_EN; |
|
|
|
ret = snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG6, |
|
TAS2562_TDM_CFG6_ISNS_EN, sense_en); |
|
if (ret < 0) |
|
return ret; |
|
|
|
return 0; |
|
} |
|
|
|
static int tas2562_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 tas2562_data *tas2562 = snd_soc_component_get_drvdata(component); |
|
int ret; |
|
|
|
ret = tas2562_set_bitwidth(tas2562, params_format(params)); |
|
if (ret) { |
|
dev_err(tas2562->dev, "set bitwidth failed, %d\n", ret); |
|
return ret; |
|
} |
|
|
|
ret = tas2562_set_samplerate(tas2562, params_rate(params)); |
|
if (ret) |
|
dev_err(tas2562->dev, "set sample rate failed, %d\n", ret); |
|
|
|
return ret; |
|
} |
|
|
|
static int tas2562_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) |
|
{ |
|
struct snd_soc_component *component = dai->component; |
|
struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component); |
|
u8 asi_cfg_1 = 0; |
|
u8 tdm_rx_start_slot = 0; |
|
int ret; |
|
|
|
switch (fmt & SND_SOC_DAIFMT_INV_MASK) { |
|
case SND_SOC_DAIFMT_NB_NF: |
|
asi_cfg_1 = 0; |
|
break; |
|
case SND_SOC_DAIFMT_IB_NF: |
|
asi_cfg_1 |= TAS2562_TDM_CFG1_RX_FALLING; |
|
break; |
|
default: |
|
dev_err(tas2562->dev, "ASI format Inverse is not found\n"); |
|
return -EINVAL; |
|
} |
|
|
|
ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1, |
|
TAS2562_TDM_CFG1_RX_EDGE_MASK, |
|
asi_cfg_1); |
|
if (ret < 0) { |
|
dev_err(tas2562->dev, "Failed to set RX edge\n"); |
|
return ret; |
|
} |
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { |
|
case SND_SOC_DAIFMT_LEFT_J: |
|
case SND_SOC_DAIFMT_DSP_B: |
|
tdm_rx_start_slot = 0; |
|
break; |
|
case SND_SOC_DAIFMT_I2S: |
|
case SND_SOC_DAIFMT_DSP_A: |
|
tdm_rx_start_slot = 1; |
|
break; |
|
default: |
|
dev_err(tas2562->dev, |
|
"DAI Format is not found, fmt=0x%x\n", fmt); |
|
return -EINVAL; |
|
} |
|
|
|
ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1, |
|
TAS2562_RX_OFF_MASK, (tdm_rx_start_slot << 1)); |
|
if (ret < 0) |
|
return ret; |
|
|
|
return 0; |
|
} |
|
|
|
static int tas2562_update_pwr_ctrl(struct tas2562_data *tas2562) |
|
{ |
|
struct snd_soc_component *component = tas2562->component; |
|
unsigned int val; |
|
int ret; |
|
|
|
if (tas2562->dac_powered) |
|
val = tas2562->unmuted ? |
|
TAS2562_ACTIVE : TAS2562_MUTE; |
|
else |
|
val = TAS2562_SHUTDOWN; |
|
|
|
ret = snd_soc_component_update_bits(component, TAS2562_PWR_CTRL, |
|
TAS2562_MODE_MASK, val); |
|
if (ret < 0) |
|
return ret; |
|
|
|
return 0; |
|
} |
|
|
|
static int tas2562_mute(struct snd_soc_dai *dai, int mute, int direction) |
|
{ |
|
struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(dai->component); |
|
|
|
tas2562->unmuted = !mute; |
|
return tas2562_update_pwr_ctrl(tas2562); |
|
} |
|
|
|
static int tas2562_codec_probe(struct snd_soc_component *component) |
|
{ |
|
struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component); |
|
|
|
tas2562->component = component; |
|
|
|
if (tas2562->sdz_gpio) |
|
gpiod_set_value_cansleep(tas2562->sdz_gpio, 1); |
|
|
|
return 0; |
|
} |
|
|
|
#ifdef CONFIG_PM |
|
static int tas2562_suspend(struct snd_soc_component *component) |
|
{ |
|
struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component); |
|
|
|
regcache_cache_only(tas2562->regmap, true); |
|
regcache_mark_dirty(tas2562->regmap); |
|
|
|
if (tas2562->sdz_gpio) |
|
gpiod_set_value_cansleep(tas2562->sdz_gpio, 0); |
|
|
|
return 0; |
|
} |
|
|
|
static int tas2562_resume(struct snd_soc_component *component) |
|
{ |
|
struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component); |
|
|
|
if (tas2562->sdz_gpio) |
|
gpiod_set_value_cansleep(tas2562->sdz_gpio, 1); |
|
|
|
regcache_cache_only(tas2562->regmap, false); |
|
|
|
return regcache_sync(tas2562->regmap); |
|
} |
|
#else |
|
#define tas2562_suspend NULL |
|
#define tas2562_resume NULL |
|
#endif |
|
|
|
static const char * const tas2562_ASI1_src[] = { |
|
"I2C offset", "Left", "Right", "LeftRightDiv2", |
|
}; |
|
|
|
static SOC_ENUM_SINGLE_DECL(tas2562_ASI1_src_enum, TAS2562_TDM_CFG2, 4, |
|
tas2562_ASI1_src); |
|
|
|
static const struct snd_kcontrol_new tas2562_asi1_mux = |
|
SOC_DAPM_ENUM("ASI1 Source", tas2562_ASI1_src_enum); |
|
|
|
static int tas2562_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 tas2562_data *tas2562 = snd_soc_component_get_drvdata(component); |
|
int ret = 0; |
|
|
|
switch (event) { |
|
case SND_SOC_DAPM_POST_PMU: |
|
tas2562->dac_powered = true; |
|
ret = tas2562_update_pwr_ctrl(tas2562); |
|
break; |
|
case SND_SOC_DAPM_PRE_PMD: |
|
tas2562->dac_powered = false; |
|
ret = tas2562_update_pwr_ctrl(tas2562); |
|
break; |
|
default: |
|
dev_err(tas2562->dev, "Not supported evevt\n"); |
|
return -EINVAL; |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
static int tas2562_volume_control_get(struct snd_kcontrol *kcontrol, |
|
struct snd_ctl_elem_value *ucontrol) |
|
{ |
|
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
|
struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component); |
|
|
|
ucontrol->value.integer.value[0] = tas2562->volume_lvl; |
|
return 0; |
|
} |
|
|
|
static int tas2562_volume_control_put(struct snd_kcontrol *kcontrol, |
|
struct snd_ctl_elem_value *ucontrol) |
|
{ |
|
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); |
|
struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component); |
|
int ret; |
|
u32 reg_val; |
|
|
|
reg_val = float_vol_db_lookup[ucontrol->value.integer.value[0]/2]; |
|
ret = snd_soc_component_write(component, TAS2562_DVC_CFG4, |
|
(reg_val & 0xff)); |
|
if (ret) |
|
return ret; |
|
ret = snd_soc_component_write(component, TAS2562_DVC_CFG3, |
|
((reg_val >> 8) & 0xff)); |
|
if (ret) |
|
return ret; |
|
ret = snd_soc_component_write(component, TAS2562_DVC_CFG2, |
|
((reg_val >> 16) & 0xff)); |
|
if (ret) |
|
return ret; |
|
ret = snd_soc_component_write(component, TAS2562_DVC_CFG1, |
|
((reg_val >> 24) & 0xff)); |
|
if (ret) |
|
return ret; |
|
|
|
tas2562->volume_lvl = ucontrol->value.integer.value[0]; |
|
|
|
return 0; |
|
} |
|
|
|
/* Digital Volume Control. From 0 dB to -110 dB in 1 dB steps */ |
|
static const DECLARE_TLV_DB_SCALE(dvc_tlv, -11000, 100, 0); |
|
|
|
static DECLARE_TLV_DB_SCALE(tas2562_dac_tlv, 850, 50, 0); |
|
|
|
static const struct snd_kcontrol_new isense_switch = |
|
SOC_DAPM_SINGLE("Switch", TAS2562_PWR_CTRL, TAS2562_ISENSE_POWER_EN, |
|
1, 1); |
|
|
|
static const struct snd_kcontrol_new vsense_switch = |
|
SOC_DAPM_SINGLE("Switch", TAS2562_PWR_CTRL, TAS2562_VSENSE_POWER_EN, |
|
1, 1); |
|
|
|
static const struct snd_kcontrol_new tas2562_snd_controls[] = { |
|
SOC_SINGLE_TLV("Amp Gain Volume", TAS2562_PB_CFG1, 1, 0x1c, 0, |
|
tas2562_dac_tlv), |
|
{ |
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
|
.name = "Digital Volume Control", |
|
.index = 0, |
|
.tlv.p = dvc_tlv, |
|
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE, |
|
.info = snd_soc_info_volsw, |
|
.get = tas2562_volume_control_get, |
|
.put = tas2562_volume_control_put, |
|
.private_value = SOC_SINGLE_VALUE(TAS2562_DVC_CFG1, 0, 110, 0, 0), |
|
}, |
|
}; |
|
|
|
static const struct snd_soc_dapm_widget tas2110_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, &tas2562_asi1_mux), |
|
SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2562_dac_event, |
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), |
|
SND_SOC_DAPM_OUTPUT("OUT"), |
|
}; |
|
|
|
static const struct snd_soc_dapm_route tas2110_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" }, |
|
}; |
|
|
|
static const struct snd_soc_component_driver soc_component_dev_tas2110 = { |
|
.probe = tas2562_codec_probe, |
|
.suspend = tas2562_suspend, |
|
.resume = tas2562_resume, |
|
.controls = tas2562_snd_controls, |
|
.num_controls = ARRAY_SIZE(tas2562_snd_controls), |
|
.dapm_widgets = tas2110_dapm_widgets, |
|
.num_dapm_widgets = ARRAY_SIZE(tas2110_dapm_widgets), |
|
.dapm_routes = tas2110_audio_map, |
|
.num_dapm_routes = ARRAY_SIZE(tas2110_audio_map), |
|
.idle_bias_on = 1, |
|
.use_pmdown_time = 1, |
|
.endianness = 1, |
|
}; |
|
|
|
static const struct snd_soc_dapm_widget tas2562_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, &tas2562_asi1_mux), |
|
SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2562_dac_event, |
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), |
|
SND_SOC_DAPM_SWITCH("ISENSE", TAS2562_PWR_CTRL, 3, 1, &isense_switch), |
|
SND_SOC_DAPM_SWITCH("VSENSE", TAS2562_PWR_CTRL, 2, 1, &vsense_switch), |
|
SND_SOC_DAPM_SIGGEN("VMON"), |
|
SND_SOC_DAPM_SIGGEN("IMON"), |
|
SND_SOC_DAPM_OUTPUT("OUT"), |
|
}; |
|
|
|
static const struct snd_soc_dapm_route tas2562_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 const struct snd_soc_component_driver soc_component_dev_tas2562 = { |
|
.probe = tas2562_codec_probe, |
|
.suspend = tas2562_suspend, |
|
.resume = tas2562_resume, |
|
.controls = tas2562_snd_controls, |
|
.num_controls = ARRAY_SIZE(tas2562_snd_controls), |
|
.dapm_widgets = tas2562_dapm_widgets, |
|
.num_dapm_widgets = ARRAY_SIZE(tas2562_dapm_widgets), |
|
.dapm_routes = tas2562_audio_map, |
|
.num_dapm_routes = ARRAY_SIZE(tas2562_audio_map), |
|
.idle_bias_on = 1, |
|
.use_pmdown_time = 1, |
|
.endianness = 1, |
|
}; |
|
|
|
static const struct snd_soc_dai_ops tas2562_speaker_dai_ops = { |
|
.hw_params = tas2562_hw_params, |
|
.set_fmt = tas2562_set_dai_fmt, |
|
.set_tdm_slot = tas2562_set_dai_tdm_slot, |
|
.mute_stream = tas2562_mute, |
|
.no_capture_mute = 1, |
|
}; |
|
|
|
static struct snd_soc_dai_driver tas2562_dai[] = { |
|
{ |
|
.name = "tas2562-amplifier", |
|
.id = 0, |
|
.playback = { |
|
.stream_name = "ASI1 Playback", |
|
.channels_min = 2, |
|
.channels_max = 2, |
|
.rates = SNDRV_PCM_RATE_8000_192000, |
|
.formats = TAS2562_FORMATS, |
|
}, |
|
.capture = { |
|
.stream_name = "ASI1 Capture", |
|
.channels_min = 0, |
|
.channels_max = 2, |
|
.rates = SNDRV_PCM_RATE_8000_192000, |
|
.formats = TAS2562_FORMATS, |
|
}, |
|
.ops = &tas2562_speaker_dai_ops, |
|
}, |
|
}; |
|
|
|
static const struct regmap_range_cfg tas2562_ranges[] = { |
|
{ |
|
.range_min = 0, |
|
.range_max = 5 * 128, |
|
.selector_reg = TAS2562_PAGE_CTRL, |
|
.selector_mask = 0xff, |
|
.selector_shift = 0, |
|
.window_start = 0, |
|
.window_len = 128, |
|
}, |
|
}; |
|
|
|
static const struct reg_default tas2562_reg_defaults[] = { |
|
{ TAS2562_PAGE_CTRL, 0x00 }, |
|
{ TAS2562_SW_RESET, 0x00 }, |
|
{ TAS2562_PWR_CTRL, 0x0e }, |
|
{ TAS2562_PB_CFG1, 0x20 }, |
|
{ TAS2562_TDM_CFG0, 0x09 }, |
|
{ TAS2562_TDM_CFG1, 0x02 }, |
|
{ TAS2562_DVC_CFG1, 0x40 }, |
|
{ TAS2562_DVC_CFG2, 0x40 }, |
|
{ TAS2562_DVC_CFG3, 0x00 }, |
|
{ TAS2562_DVC_CFG4, 0x00 }, |
|
}; |
|
|
|
static const struct regmap_config tas2562_regmap_config = { |
|
.reg_bits = 8, |
|
.val_bits = 8, |
|
|
|
.max_register = 5 * 128, |
|
.cache_type = REGCACHE_RBTREE, |
|
.reg_defaults = tas2562_reg_defaults, |
|
.num_reg_defaults = ARRAY_SIZE(tas2562_reg_defaults), |
|
.ranges = tas2562_ranges, |
|
.num_ranges = ARRAY_SIZE(tas2562_ranges), |
|
}; |
|
|
|
static int tas2562_parse_dt(struct tas2562_data *tas2562) |
|
{ |
|
struct device *dev = tas2562->dev; |
|
int ret = 0; |
|
|
|
tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH); |
|
if (IS_ERR(tas2562->sdz_gpio)) { |
|
if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER) |
|
return -EPROBE_DEFER; |
|
|
|
tas2562->sdz_gpio = NULL; |
|
} |
|
|
|
/* |
|
* The shut-down property is deprecated but needs to be checked for |
|
* backwards compatibility. |
|
*/ |
|
if (tas2562->sdz_gpio == NULL) { |
|
tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shut-down", |
|
GPIOD_OUT_HIGH); |
|
if (IS_ERR(tas2562->sdz_gpio)) |
|
if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER) |
|
return -EPROBE_DEFER; |
|
|
|
tas2562->sdz_gpio = NULL; |
|
} |
|
|
|
if (tas2562->model_id == TAS2110) |
|
return ret; |
|
|
|
ret = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no", |
|
&tas2562->i_sense_slot); |
|
if (ret) { |
|
dev_err(dev, "Property %s is missing setting default slot\n", |
|
"ti,imon-slot-no"); |
|
tas2562->i_sense_slot = 0; |
|
} |
|
|
|
|
|
ret = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no", |
|
&tas2562->v_sense_slot); |
|
if (ret) { |
|
dev_info(dev, "Property %s is missing setting default slot\n", |
|
"ti,vmon-slot-no"); |
|
tas2562->v_sense_slot = 2; |
|
} |
|
|
|
if (tas2562->v_sense_slot < tas2562->i_sense_slot) { |
|
dev_err(dev, "Vsense slot must be greater than Isense slot\n"); |
|
return -EINVAL; |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
static const struct i2c_device_id tas2562_id[] = { |
|
{ "tas2562", TAS2562 }, |
|
{ "tas2563", TAS2563 }, |
|
{ "tas2564", TAS2564 }, |
|
{ "tas2110", TAS2110 }, |
|
{ } |
|
}; |
|
MODULE_DEVICE_TABLE(i2c, tas2562_id); |
|
|
|
static int tas2562_probe(struct i2c_client *client) |
|
{ |
|
struct device *dev = &client->dev; |
|
struct tas2562_data *data; |
|
int ret; |
|
const struct i2c_device_id *id; |
|
|
|
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); |
|
if (!data) |
|
return -ENOMEM; |
|
|
|
id = i2c_match_id(tas2562_id, client); |
|
data->client = client; |
|
data->dev = &client->dev; |
|
data->model_id = id->driver_data; |
|
|
|
tas2562_parse_dt(data); |
|
|
|
data->regmap = devm_regmap_init_i2c(client, &tas2562_regmap_config); |
|
if (IS_ERR(data->regmap)) { |
|
ret = PTR_ERR(data->regmap); |
|
dev_err(dev, "failed to allocate register map: %d\n", ret); |
|
return ret; |
|
} |
|
|
|
dev_set_drvdata(&client->dev, data); |
|
|
|
if (data->model_id == TAS2110) |
|
return devm_snd_soc_register_component(dev, |
|
&soc_component_dev_tas2110, |
|
tas2562_dai, |
|
ARRAY_SIZE(tas2562_dai)); |
|
|
|
return devm_snd_soc_register_component(dev, &soc_component_dev_tas2562, |
|
tas2562_dai, |
|
ARRAY_SIZE(tas2562_dai)); |
|
|
|
} |
|
|
|
#ifdef CONFIG_OF |
|
static const struct of_device_id tas2562_of_match[] = { |
|
{ .compatible = "ti,tas2562", }, |
|
{ .compatible = "ti,tas2563", }, |
|
{ .compatible = "ti,tas2564", }, |
|
{ .compatible = "ti,tas2110", }, |
|
{ }, |
|
}; |
|
MODULE_DEVICE_TABLE(of, tas2562_of_match); |
|
#endif |
|
|
|
static struct i2c_driver tas2562_i2c_driver = { |
|
.driver = { |
|
.name = "tas2562", |
|
.of_match_table = of_match_ptr(tas2562_of_match), |
|
}, |
|
.probe_new = tas2562_probe, |
|
.id_table = tas2562_id, |
|
}; |
|
|
|
module_i2c_driver(tas2562_i2c_driver); |
|
|
|
MODULE_AUTHOR("Dan Murphy <[email protected]>"); |
|
MODULE_DESCRIPTION("TAS2562 Audio amplifier driver"); |
|
MODULE_LICENSE("GPL");
|
|
|