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linux-stable/sound/soc/codecs/es8323.c
Tang Bin c178920970
ASoC: codecs: Fix error check in es8323_i2c_probe 
In the function es8323_i2c_probe(), devm_kzalloc() could
possibly return NULL pointer, so IS_ERR() is wrong check
in this place, thus fix it.

Fixes: b97391a604 ("ASoC: codecs: Add support for ES8323")
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Link: https://patch.msgid.link/20241011073115.2384-1-tangbin@cmss.chinamobile.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-11 11:22:46 +01:00

793 lines
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// SPDX-License-Identifier: GPL-2.0-only
//
// es8323.c -- es8323 ALSA SoC audio driver
//
// Copyright 2024 Rockchip Electronics Co. Ltd.
// Copyright 2024 Everest Semiconductor Co.,Ltd.
// Copyright 2024 Loongson Technology Co.,Ltd.
//
// Author: Mark Brown <broonie@kernel.org>
// Jianqun Xu <jay.xu@rock-chips.com>
// Nickey Yang <nickey.yang@rock-chips.com>
// Further cleanup and restructuring by:
// Binbin Zhou <zhoubinbin@loongson.cn>
#include <linux/module.h>
#include <linux/acpi.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/mod_devicetable.h>
#include <linux/regmap.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/tlv.h>
#include "es8323.h"
struct es8323_priv {
unsigned int sysclk;
struct clk *mclk;
struct regmap *regmap;
struct snd_pcm_hw_constraint_list *sysclk_constraints;
struct snd_soc_component *component;
};
/* es8323 register cache */
static const struct reg_default es8323_reg_defaults[] = {
{ ES8323_CONTROL1, 0x06 },
{ ES8323_CONTROL2, 0x1c },
{ ES8323_CHIPPOWER, 0xc3 },
{ ES8323_ADCPOWER, 0xfc },
{ ES8323_DACPOWER, 0xc0 },
{ ES8323_CHIPLOPOW1, 0x00 },
{ ES8323_CHIPLOPOW2, 0x00 },
{ ES8323_ANAVOLMANAG, 0x7c },
{ ES8323_MASTERMODE, 0x80 },
{ ES8323_ADCCONTROL1, 0x00 },
{ ES8323_ADCCONTROL2, 0x00 },
{ ES8323_ADCCONTROL3, 0x06 },
{ ES8323_ADCCONTROL4, 0x00 },
{ ES8323_ADCCONTROL5, 0x06 },
{ ES8323_ADCCONTROL6, 0x30 },
{ ES8323_ADC_MUTE, 0x30 },
{ ES8323_LADC_VOL, 0xc0 },
{ ES8323_RADC_VOL, 0xc0 },
{ ES8323_ADCCONTROL10, 0x38 },
{ ES8323_ADCCONTROL11, 0xb0 },
{ ES8323_ADCCONTROL12, 0x32 },
{ ES8323_ADCCONTROL13, 0x06 },
{ ES8323_ADCCONTROL14, 0x00 },
{ ES8323_DACCONTROL1, 0x00 },
{ ES8323_DACCONTROL2, 0x06 },
{ ES8323_DAC_MUTE, 0x30 },
{ ES8323_LDAC_VOL, 0xc0 },
{ ES8323_RDAC_VOL, 0xc0 },
{ ES8323_DACCONTROL6, 0x08 },
{ ES8323_DACCONTROL7, 0x06 },
{ ES8323_DACCONTROL8, 0x1f },
{ ES8323_DACCONTROL9, 0xf7 },
{ ES8323_DACCONTROL10, 0xfd },
{ ES8323_DACCONTROL11, 0xff },
{ ES8323_DACCONTROL12, 0x1f },
{ ES8323_DACCONTROL13, 0xf7 },
{ ES8323_DACCONTROL14, 0xfd },
{ ES8323_DACCONTROL15, 0xff },
{ ES8323_DACCONTROL16, 0x00 },
{ ES8323_DACCONTROL17, 0x38 },
{ ES8323_DACCONTROL18, 0x38 },
{ ES8323_DACCONTROL19, 0x38 },
{ ES8323_DACCONTROL20, 0x38 },
{ ES8323_DACCONTROL21, 0x38 },
{ ES8323_DACCONTROL22, 0x38 },
{ ES8323_DACCONTROL23, 0x00 },
{ ES8323_LOUT1_VOL, 0x00 },
{ ES8323_ROUT1_VOL, 0x00 },
};
static const char *const es8323_stereo_3d_texts[] = { "No 3D ", "Level 1", "Level 2", "Level 3",
"Level 4", "Level 5", "Level 6", "Level 7" };
static SOC_ENUM_SINGLE_DECL(es8323_stereo_3d_enum, ES8323_DACCONTROL7, 2, es8323_stereo_3d_texts);
static const char *const es8323_alc_func_texts[] = { "Off", "Right", "Left", "Stereo" };
static SOC_ENUM_SINGLE_DECL(es8323_alc_function_enum,
ES8323_ADCCONTROL10, 6, es8323_alc_func_texts);
static const char *const es8323_ng_type_texts[] = { "Constant PGA Gain", "Mute ADC Output" };
static SOC_ENUM_SINGLE_DECL(es8323_alc_ng_type_enum, ES8323_ADCCONTROL14, 1, es8323_ng_type_texts);
static const char *const es8323_deemph_texts[] = { "None", "32Khz", "44.1Khz", "48Khz" };
static SOC_ENUM_SINGLE_DECL(es8323_playback_deemphasis_enum,
ES8323_DACCONTROL6, 6, es8323_deemph_texts);
static const char *const es8323_adcpol_texts[] = { "Normal", "L Invert",
"R Invert", "L + R Invert" };
static SOC_ENUM_SINGLE_DECL(es8323_capture_polarity_enum,
ES8323_ADCCONTROL6, 6, es8323_adcpol_texts);
static const DECLARE_TLV_DB_SCALE(es8323_adc_tlv, -9600, 50, 1);
static const DECLARE_TLV_DB_SCALE(es8323_dac_tlv, -9600, 50, 1);
static const DECLARE_TLV_DB_SCALE(es8323_out_tlv, -4500, 150, 0);
static const DECLARE_TLV_DB_SCALE(es8323_bypass_tlv, 0, 300, 0);
static const DECLARE_TLV_DB_SCALE(es8323_bypass_tlv2, -15, 300, 0);
static const struct snd_kcontrol_new es8323_snd_controls[] = {
SOC_ENUM("3D Mode", es8323_stereo_3d_enum),
SOC_ENUM("ALC Capture Function", es8323_alc_function_enum),
SOC_ENUM("ALC Capture NG Type", es8323_alc_ng_type_enum),
SOC_ENUM("Playback De-emphasis", es8323_playback_deemphasis_enum),
SOC_ENUM("Capture Polarity", es8323_capture_polarity_enum),
SOC_SINGLE("ALC Capture ZC Switch", ES8323_ADCCONTROL13, 6, 1, 0),
SOC_SINGLE("ALC Capture Decay Time", ES8323_ADCCONTROL12, 4, 15, 0),
SOC_SINGLE("ALC Capture Attack Time", ES8323_ADCCONTROL12, 0, 15, 0),
SOC_SINGLE("ALC Capture NG Threshold", ES8323_ADCCONTROL14, 3, 31, 0),
SOC_SINGLE("ALC Capture NG Switch", ES8323_ADCCONTROL14, 0, 1, 0),
SOC_SINGLE("ZC Timeout Switch", ES8323_ADCCONTROL13, 6, 1, 0),
SOC_SINGLE("Capture Mute Switch", ES8323_ADC_MUTE, 2, 1, 0),
SOC_SINGLE_TLV("Left Channel Capture Volume", ES8323_ADCCONTROL1, 4, 8,
0, es8323_bypass_tlv),
SOC_SINGLE_TLV("Right Channel Capture Volume", ES8323_ADCCONTROL1, 0,
8, 0, es8323_bypass_tlv),
SOC_SINGLE_TLV("Left Mixer Left Bypass Volume", ES8323_DACCONTROL17, 3,
7, 1, es8323_bypass_tlv2),
SOC_SINGLE_TLV("Right Mixer Right Bypass Volume", ES8323_DACCONTROL20,
3, 7, 1, es8323_bypass_tlv2),
SOC_DOUBLE_R_TLV("PCM Volume", ES8323_LDAC_VOL, ES8323_RDAC_VOL,
0, 192, 1, es8323_dac_tlv),
SOC_DOUBLE_R_TLV("Capture Digital Volume", ES8323_LADC_VOL,
ES8323_RADC_VOL, 0, 192, 1, es8323_adc_tlv),
SOC_DOUBLE_R_TLV("Output 1 Playback Volume", ES8323_LOUT1_VOL,
ES8323_ROUT1_VOL, 0, 33, 0, es8323_out_tlv),
SOC_DOUBLE_R_TLV("Output 2 Playback Volume", ES8323_LOUT2_VOL,
ES8323_ROUT2_VOL, 0, 33, 0, es8323_out_tlv),
};
/* Left DAC Route */
static const char *const es8323_pga_sell[] = { "Line 1L", "Line 2L", "NC", "DifferentialL" };
static SOC_ENUM_SINGLE_DECL(es8323_left_dac_enum, ES8323_ADCCONTROL2, 6, es8323_pga_sell);
static const struct snd_kcontrol_new es8323_left_dac_mux_controls =
SOC_DAPM_ENUM("Left DAC Route", es8323_left_dac_enum);
/* Right DAC Route */
static const char *const es8323_pga_selr[] = { "Line 1R", "Line 2R", "NC", "DifferentialR" };
static SOC_ENUM_SINGLE_DECL(es8323_right_dac_enum, ES8323_ADCCONTROL2, 4, es8323_pga_selr);
static const struct snd_kcontrol_new es8323_right_dac_mux_controls =
SOC_DAPM_ENUM("Right DAC Route", es8323_right_dac_enum);
/* Left Line Mux */
static const char *const es8323_lin_sell[] = { "Line 1L", "Line 2L", "NC", "MicL" };
static SOC_ENUM_SINGLE_DECL(es8323_llin_enum, ES8323_DACCONTROL16, 3, es8323_lin_sell);
static const struct snd_kcontrol_new es8323_left_line_controls =
SOC_DAPM_ENUM("LLIN Mux", es8323_llin_enum);
/* Right Line Mux */
static const char *const es8323_lin_selr[] = { "Line 1R", "Line 2R", "NC", "MicR" };
static SOC_ENUM_SINGLE_DECL(es8323_rlin_enum, ES8323_DACCONTROL16, 0, es8323_lin_selr);
static const struct snd_kcontrol_new es8323_right_line_controls =
SOC_DAPM_ENUM("RLIN Mux", es8323_rlin_enum);
/* Differential Mux */
static const char *const es8323_diffmux_sel[] = { "Line 1", "Line 2" };
static SOC_ENUM_SINGLE_DECL(es8323_diffmux_enum, ES8323_ADCCONTROL3, 7, es8323_diffmux_sel);
static const struct snd_kcontrol_new es8323_diffmux_controls =
SOC_DAPM_ENUM("Route2", es8323_diffmux_enum);
/* Mono ADC Mux */
static const char *const es8323_mono_adc_mux[] = { "Stereo", "Mono (Left)", "Mono (Right)" };
static SOC_ENUM_SINGLE_DECL(es8323_mono_adc_mux_enum, ES8323_ADCCONTROL3, 3, es8323_mono_adc_mux);
static const struct snd_kcontrol_new es8323_mono_adc_mux_controls =
SOC_DAPM_ENUM("Mono Mux", es8323_mono_adc_mux_enum);
/* Left Mixer */
static const struct snd_kcontrol_new es8323_left_mixer_controls[] = {
SOC_DAPM_SINGLE("Left Playback Switch", SND_SOC_NOPM, 7, 1, 1),
SOC_DAPM_SINGLE("Left Bypass Switch", ES8323_DACCONTROL17, 6, 1, 0),
};
/* Right Mixer */
static const struct snd_kcontrol_new es8323_right_mixer_controls[] = {
SOC_DAPM_SINGLE("Right Playback Switch", SND_SOC_NOPM, 6, 1, 1),
SOC_DAPM_SINGLE("Right Bypass Switch", ES8323_DACCONTROL20, 6, 1, 0),
};
static const struct snd_soc_dapm_widget es8323_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("LINPUT1"),
SND_SOC_DAPM_INPUT("LINPUT2"),
SND_SOC_DAPM_INPUT("RINPUT1"),
SND_SOC_DAPM_INPUT("RINPUT2"),
SND_SOC_DAPM_MICBIAS("Mic Bias", SND_SOC_NOPM, 3, 1),
/* Muxes */
SND_SOC_DAPM_MUX("Left PGA Mux", SND_SOC_NOPM, 0, 0, &es8323_left_dac_mux_controls),
SND_SOC_DAPM_MUX("Right PGA Mux", SND_SOC_NOPM, 0, 0, &es8323_right_dac_mux_controls),
SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0, &es8323_diffmux_controls),
SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0, &es8323_mono_adc_mux_controls),
SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0, &es8323_mono_adc_mux_controls),
SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0, &es8323_left_line_controls),
SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0, &es8323_right_line_controls),
SND_SOC_DAPM_ADC("Right ADC", "Right Capture", SND_SOC_NOPM, 4, 1),
SND_SOC_DAPM_ADC("Left ADC", "Left Capture", SND_SOC_NOPM, 5, 1),
SND_SOC_DAPM_DAC("Right DAC", "Right Playback", SND_SOC_NOPM, 6, 1),
SND_SOC_DAPM_DAC("Left DAC", "Left Playback", SND_SOC_NOPM, 7, 1),
SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
&es8323_left_mixer_controls[0],
ARRAY_SIZE(es8323_left_mixer_controls)),
SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
&es8323_right_mixer_controls[0],
ARRAY_SIZE(es8323_right_mixer_controls)),
SND_SOC_DAPM_PGA("Right ADC Power", SND_SOC_NOPM, 6, 1, NULL, 0),
SND_SOC_DAPM_PGA("Left ADC Power", SND_SOC_NOPM, 7, 1, NULL, 0),
SND_SOC_DAPM_PGA("Right Out 2", SND_SOC_NOPM, 2, 0, NULL, 0),
SND_SOC_DAPM_PGA("Left Out 2", SND_SOC_NOPM, 3, 0, NULL, 0),
SND_SOC_DAPM_PGA("Right Out 1", SND_SOC_NOPM, 4, 0, NULL, 0),
SND_SOC_DAPM_PGA("Left Out 1", SND_SOC_NOPM, 5, 0, NULL, 0),
SND_SOC_DAPM_PGA("LAMP", ES8323_ADCCONTROL1, 4, 0, NULL, 0),
SND_SOC_DAPM_PGA("RAMP", ES8323_ADCCONTROL1, 0, 0, NULL, 0),
SND_SOC_DAPM_OUTPUT("LOUT1"),
SND_SOC_DAPM_OUTPUT("ROUT1"),
SND_SOC_DAPM_OUTPUT("LOUT2"),
SND_SOC_DAPM_OUTPUT("ROUT2"),
SND_SOC_DAPM_OUTPUT("VREF"),
};
static const struct snd_soc_dapm_route es8323_dapm_routes[] = {
/*12.22*/
{"Left PGA Mux", "Line 1L", "LINPUT1"},
{"Left PGA Mux", "Line 2L", "LINPUT2"},
{"Left PGA Mux", "DifferentialL", "Differential Mux"},
{"Right PGA Mux", "Line 1R", "RINPUT1"},
{"Right PGA Mux", "Line 2R", "RINPUT2"},
{"Right PGA Mux", "DifferentialR", "Differential Mux"},
{"Differential Mux", "Line 1", "LINPUT1"},
{"Differential Mux", "Line 1", "RINPUT1"},
{"Differential Mux", "Line 2", "LINPUT2"},
{"Differential Mux", "Line 2", "RINPUT2"},
{"Left ADC Mux", "Stereo", "Right PGA Mux"},
{"Left ADC Mux", "Stereo", "Left PGA Mux"},
{"Left ADC Mux", "Mono (Left)", "Left PGA Mux"},
{"Right ADC Mux", "Stereo", "Left PGA Mux"},
{"Right ADC Mux", "Stereo", "Right PGA Mux"},
{"Right ADC Mux", "Mono (Right)", "Right PGA Mux"},
{"Left ADC Power", NULL, "Left ADC Mux"},
{"Right ADC Power", NULL, "Right ADC Mux"},
{"Left ADC", NULL, "Left ADC Power"},
{"Right ADC", NULL, "Right ADC Power"},
{"Left Line Mux", "Line 1L", "LINPUT1"},
{"Left Line Mux", "Line 2L", "LINPUT2"},
{"Left Line Mux", "MicL", "Left PGA Mux"},
{"Right Line Mux", "Line 1R", "RINPUT1"},
{"Right Line Mux", "Line 2R", "RINPUT2"},
{"Right Line Mux", "MicR", "Right PGA Mux"},
{"Left Mixer", "Left Playback Switch", "Left DAC"},
{"Left Mixer", "Left Bypass Switch", "Left Line Mux"},
{"Right Mixer", "Right Playback Switch", "Right DAC"},
{"Right Mixer", "Right Bypass Switch", "Right Line Mux"},
{"Left Out 1", NULL, "Left Mixer"},
{"LOUT1", NULL, "Left Out 1"},
{"Right Out 1", NULL, "Right Mixer"},
{"ROUT1", NULL, "Right Out 1"},
{"Left Out 2", NULL, "Left Mixer"},
{"LOUT2", NULL, "Left Out 2"},
{"Right Out 2", NULL, "Right Mixer"},
{"ROUT2", NULL, "Right Out 2"},
};
struct coeff_div {
u32 mclk;
u32 rate;
u16 fs;
u8 sr:4;
u8 usb:1;
};
/* codec hifi mclk clock divider coefficients */
static const struct coeff_div es8323_coeff_div[] = {
/* 8k */
{12288000, 8000, 1536, 0xa, 0x0},
{11289600, 8000, 1408, 0x9, 0x0},
{18432000, 8000, 2304, 0xc, 0x0},
{16934400, 8000, 2112, 0xb, 0x0},
{12000000, 8000, 1500, 0xb, 0x1},
/* 11.025k */
{11289600, 11025, 1024, 0x7, 0x0},
{16934400, 11025, 1536, 0xa, 0x0},
{12000000, 11025, 1088, 0x9, 0x1},
/* 16k */
{12288000, 16000, 768, 0x6, 0x0},
{18432000, 16000, 1152, 0x8, 0x0},
{12000000, 16000, 750, 0x7, 0x1},
/* 22.05k */
{11289600, 22050, 512, 0x4, 0x0},
{16934400, 22050, 768, 0x6, 0x0},
{12000000, 22050, 544, 0x6, 0x1},
/* 32k */
{12288000, 32000, 384, 0x3, 0x0},
{18432000, 32000, 576, 0x5, 0x0},
{12000000, 32000, 375, 0x4, 0x1},
/* 44.1k */
{11289600, 44100, 256, 0x2, 0x0},
{16934400, 44100, 384, 0x3, 0x0},
{12000000, 44100, 272, 0x3, 0x1},
/* 48k */
{12288000, 48000, 256, 0x2, 0x0},
{18432000, 48000, 384, 0x3, 0x0},
{12000000, 48000, 250, 0x2, 0x1},
/* 88.2k */
{11289600, 88200, 128, 0x0, 0x0},
{16934400, 88200, 192, 0x1, 0x0},
{12000000, 88200, 136, 0x1, 0x1},
/* 96k */
{12288000, 96000, 128, 0x0, 0x0},
{18432000, 96000, 192, 0x1, 0x0},
{12000000, 96000, 125, 0x0, 0x1},
};
static unsigned int rates_12288[] = {
8000, 12000, 16000, 24000, 24000, 32000, 48000, 96000,
};
static struct snd_pcm_hw_constraint_list constraints_12288 = {
.count = ARRAY_SIZE(rates_12288),
.list = rates_12288,
};
static unsigned int rates_112896[] = {
8000, 11025, 22050, 44100,
};
static struct snd_pcm_hw_constraint_list constraints_112896 = {
.count = ARRAY_SIZE(rates_112896),
.list = rates_112896,
};
static unsigned int rates_12[] = {
8000, 11025, 12000, 16000, 22050, 24000,
32000, 44100, 48000, 48000, 88235, 96000,
};
static struct snd_pcm_hw_constraint_list constraints_12 = {
.count = ARRAY_SIZE(rates_12),
.list = rates_12,
};
static inline int get_coeff(int mclk, int rate)
{
int i;
for (i = 0; i < ARRAY_SIZE(es8323_coeff_div); i++) {
if (es8323_coeff_div[i].rate == rate &&
es8323_coeff_div[i].mclk == mclk)
return i;
}
return -EINVAL;
}
static int es8323_set_dai_sysclk(struct snd_soc_dai *codec_dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_component *component = codec_dai->component;
struct es8323_priv *es8323 = snd_soc_component_get_drvdata(component);
switch (freq) {
case 11289600:
case 18432000:
case 22579200:
case 36864000:
es8323->sysclk_constraints = &constraints_112896;
break;
case 12288000:
case 16934400:
case 24576000:
case 33868800:
es8323->sysclk_constraints = &constraints_12288;
break;
case 12000000:
case 24000000:
es8323->sysclk_constraints = &constraints_12;
break;
default:
return -EINVAL;
}
es8323->sysclk = freq;
return 0;
}
static int es8323_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{
struct snd_soc_component *component = codec_dai->component;
u8 iface = snd_soc_component_read(component, ES8323_MASTERMODE);
u8 adciface = snd_soc_component_read(component, ES8323_ADC_IFACE);
u8 daciface = snd_soc_component_read(component, ES8323_DAC_IFACE);
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_BC_FP:
iface |= 0x80;
break;
case SND_SOC_DAIFMT_BC_FC:
iface &= 0x7f;
break;
default:
return -EINVAL;
}
/* interface format */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
adciface &= 0xfc;
daciface &= 0xf8;
break;
case SND_SOC_DAIFMT_LEFT_J:
adciface &= 0xfd;
daciface &= 0xf9;
break;
case SND_SOC_DAIFMT_RIGHT_J:
adciface &= 0xfe;
daciface &= 0xfa;
break;
case SND_SOC_DAIFMT_DSP_A:
case SND_SOC_DAIFMT_DSP_B:
adciface &= 0xff;
daciface &= 0xfb;
break;
default:
return -EINVAL;
}
/* clock inversion */
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
iface &= 0xdf;
adciface &= 0xdf;
daciface &= 0xbf;
break;
case SND_SOC_DAIFMT_IB_IF:
iface |= 0x20;
adciface |= 0x20;
daciface |= 0x40;
break;
case SND_SOC_DAIFMT_IB_NF:
iface |= 0x20;
adciface &= 0xdf;
daciface &= 0xbf;
break;
case SND_SOC_DAIFMT_NB_IF:
iface &= 0xdf;
adciface |= 0x20;
daciface |= 0x40;
break;
default:
return -EINVAL;
}
snd_soc_component_write(component, ES8323_MASTERMODE, iface);
snd_soc_component_write(component, ES8323_ADC_IFACE, adciface);
snd_soc_component_write(component, ES8323_DAC_IFACE, daciface);
return 0;
}
static int es8323_pcm_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct es8323_priv *es8323 = snd_soc_component_get_drvdata(component);
if (es8323->sysclk) {
snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
es8323->sysclk_constraints);
}
return 0;
}
static int es8323_pcm_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 es8323_priv *es8323 = snd_soc_component_get_drvdata(component);
u16 srate = snd_soc_component_read(component, ES8323_MASTERMODE) & 0x80;
u16 adciface = snd_soc_component_read(component, ES8323_ADC_IFACE) & 0xe3;
u16 daciface = snd_soc_component_read(component, ES8323_DAC_IFACE) & 0xc7;
int coeff;
coeff = get_coeff(es8323->sysclk, params_rate(params));
if (coeff < 0) {
coeff = get_coeff(es8323->sysclk / 2, params_rate(params));
srate |= 0x40;
}
if (coeff < 0) {
dev_err(component->dev,
"Unable to configure sample rate %dHz with %dHz MCLK\n",
params_rate(params), es8323->sysclk);
return coeff;
}
/* bit size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
adciface |= 0xc;
daciface |= 0x18;
break;
case SNDRV_PCM_FORMAT_S20_3LE:
adciface |= 0x4;
daciface |= 0x8;
break;
case SNDRV_PCM_FORMAT_S24_LE:
break;
case SNDRV_PCM_FORMAT_S32_LE:
adciface |= 0x10;
daciface |= 0x20;
break;
}
snd_soc_component_write(component, ES8323_DAC_IFACE, daciface);
snd_soc_component_write(component, ES8323_ADC_IFACE, adciface);
snd_soc_component_write(component, ES8323_MASTERMODE, srate);
snd_soc_component_write(component, ES8323_ADCCONTROL5,
es8323_coeff_div[coeff].sr |
(es8323_coeff_div[coeff].usb) << 4);
snd_soc_component_write(component, ES8323_DACCONTROL2,
es8323_coeff_div[coeff].sr |
(es8323_coeff_div[coeff].usb) << 4);
snd_soc_component_write(component, ES8323_DACPOWER, 0x3c);
return 0;
}
static int es8323_mute_stream(struct snd_soc_dai *dai, int mute, int stream)
{
struct snd_soc_component *component = dai->component;
u32 val = mute ? 0x6 : 0x2;
snd_soc_component_write(component, ES8323_DAC_MUTE, val);
return 0;
}
static const struct snd_soc_dai_ops es8323_ops = {
.startup = es8323_pcm_startup,
.hw_params = es8323_pcm_hw_params,
.set_fmt = es8323_set_dai_fmt,
.set_sysclk = es8323_set_dai_sysclk,
.mute_stream = es8323_mute_stream,
};
#define ES8323_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE)
static struct snd_soc_dai_driver es8323_dai = {
.name = "ES8323 HiFi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_96000,
.formats = ES8323_FORMATS,
},
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_96000,
.formats = ES8323_FORMATS,
},
.ops = &es8323_ops,
.symmetric_rate = 1,
};
static int es8323_probe(struct snd_soc_component *component)
{
struct es8323_priv *es8323 = snd_soc_component_get_drvdata(component);
int ret;
es8323->component = component;
es8323->mclk = devm_clk_get_optional(component->dev, "mclk");
if (IS_ERR(es8323->mclk)) {
dev_err(component->dev, "unable to get mclk\n");
return PTR_ERR(es8323->mclk);
}
if (!es8323->mclk)
dev_warn(component->dev, "assuming static mclk\n");
ret = clk_prepare_enable(es8323->mclk);
if (ret) {
dev_err(component->dev, "unable to enable mclk\n");
return ret;
}
snd_soc_component_write(component, ES8323_CONTROL2, 0x60);
snd_soc_component_write(component, ES8323_CHIPPOWER, 0x00);
snd_soc_component_write(component, ES8323_DACCONTROL17, 0xB8);
return 0;
}
static int es8323_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
struct es8323_priv *es8323 = snd_soc_component_get_drvdata(component);
int ret;
switch (level) {
case SND_SOC_BIAS_ON:
ret = clk_prepare_enable(es8323->mclk);
if (ret)
return ret;
snd_soc_component_write(component, ES8323_CHIPPOWER, 0xf0);
usleep_range(18000, 20000);
snd_soc_component_write(component, ES8323_DACPOWER, 0x3c);
snd_soc_component_write(component, ES8323_ANAVOLMANAG, 0x7c);
snd_soc_component_write(component, ES8323_CHIPLOPOW1, 0x00);
snd_soc_component_write(component, ES8323_CHIPLOPOW2, 0x00);
snd_soc_component_write(component, ES8323_CHIPPOWER, 0x00);
snd_soc_component_write(component, ES8323_ADCPOWER, 0x09);
snd_soc_component_write(component, ES8323_ADCCONTROL14, 0x00);
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
snd_soc_component_write(component, ES8323_ANAVOLMANAG, 0x7c);
snd_soc_component_write(component, ES8323_CHIPLOPOW1, 0x00);
snd_soc_component_write(component, ES8323_CHIPLOPOW2, 0x00);
snd_soc_component_write(component, ES8323_CHIPPOWER, 0x00);
snd_soc_component_write(component, ES8323_ADCPOWER, 0x59);
break;
case SND_SOC_BIAS_OFF:
clk_disable_unprepare(es8323->mclk);
snd_soc_component_write(component, ES8323_ADCPOWER, 0xff);
snd_soc_component_write(component, ES8323_DACPOWER, 0xC0);
snd_soc_component_write(component, ES8323_CHIPLOPOW1, 0xff);
snd_soc_component_write(component, ES8323_CHIPLOPOW2, 0xff);
snd_soc_component_write(component, ES8323_CHIPPOWER, 0xff);
snd_soc_component_write(component, ES8323_ANAVOLMANAG, 0x7b);
break;
}
return 0;
}
static void es8323_remove(struct snd_soc_component *component)
{
struct es8323_priv *es8323 = snd_soc_component_get_drvdata(component);
clk_disable_unprepare(es8323->mclk);
es8323_set_bias_level(component, SND_SOC_BIAS_OFF);
}
static int es8323_suspend(struct snd_soc_component *component)
{
struct es8323_priv *es8323 = snd_soc_component_get_drvdata(component);
regcache_cache_only(es8323->regmap, true);
regcache_mark_dirty(es8323->regmap);
return 0;
}
static int es8323_resume(struct snd_soc_component *component)
{
struct es8323_priv *es8323 = snd_soc_component_get_drvdata(component);
regcache_cache_only(es8323->regmap, false);
regcache_sync(es8323->regmap);
return 0;
}
static const struct snd_soc_component_driver soc_component_dev_es8323 = {
.probe = es8323_probe,
.remove = es8323_remove,
.suspend = es8323_suspend,
.resume = es8323_resume,
.set_bias_level = es8323_set_bias_level,
.controls = es8323_snd_controls,
.num_controls = ARRAY_SIZE(es8323_snd_controls),
.dapm_widgets = es8323_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(es8323_dapm_widgets),
.dapm_routes = es8323_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(es8323_dapm_routes),
.use_pmdown_time = 1,
.endianness = 1,
};
static const struct regmap_config es8323_regmap = {
.reg_bits = 8,
.val_bits = 8,
.use_single_read = true,
.use_single_write = true,
.max_register = 0x53,
.reg_defaults = es8323_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(es8323_reg_defaults),
.cache_type = REGCACHE_MAPLE,
};
static int es8323_i2c_probe(struct i2c_client *i2c_client)
{
struct es8323_priv *es8323;
struct device *dev = &i2c_client->dev;
es8323 = devm_kzalloc(dev, sizeof(*es8323), GFP_KERNEL);
if (!es8323)
return -ENOMEM;
i2c_set_clientdata(i2c_client, es8323);
es8323->regmap = devm_regmap_init_i2c(i2c_client, &es8323_regmap);
if (IS_ERR(es8323->regmap))
return PTR_ERR(es8323->regmap);
return devm_snd_soc_register_component(dev,
&soc_component_dev_es8323,
&es8323_dai, 1);
}
static const struct i2c_device_id es8323_i2c_id[] = {
{ "es8323", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, es8323_i2c_id);
static const struct acpi_device_id es8323_acpi_match[] = {
{ "ESSX8323", 0 },
{ }
};
MODULE_DEVICE_TABLE(acpi, es8323_acpi_match);
static const struct of_device_id es8323_of_match[] = {
{ .compatible = "everest,es8323" },
{ }
};
MODULE_DEVICE_TABLE(of, es8323_of_match);
static struct i2c_driver es8323_i2c_driver = {
.driver = {
.name = "ES8323",
.acpi_match_table = es8323_acpi_match,
.of_match_table = es8323_of_match,
},
.probe = es8323_i2c_probe,
.id_table = es8323_i2c_id,
};
module_i2c_driver(es8323_i2c_driver);
MODULE_DESCRIPTION("Everest Semi ES8323 ALSA SoC Codec Driver");
MODULE_AUTHOR("Mark Brown <broonie@kernel.org>");
MODULE_AUTHOR("Binbin Zhou <zhoubinbin@loongson.cn>");
MODULE_LICENSE("GPL");
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