// SPDX-License-Identifier: GPL-2.0-or-later
/*
* ak4671.c -- audio driver for AK4671
*
* Copyright (C) 2009 Samsung Electronics Co.Ltd
* Author: Joonyoung Shim <[email protected]>
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include "ak4671.h"
/* ak4671 register cache & default register settings */
static const struct reg_default ak4671_reg_defaults[] = {
{ 0x00, 0x00 }, /* AK4671_AD_DA_POWER_MANAGEMENT (0x00) */
{ 0x01, 0xf6 }, /* AK4671_PLL_MODE_SELECT0 (0x01) */
{ 0x02, 0x00 }, /* AK4671_PLL_MODE_SELECT1 (0x02) */
{ 0x03, 0x02 }, /* AK4671_FORMAT_SELECT (0x03) */
{ 0x04, 0x00 }, /* AK4671_MIC_SIGNAL_SELECT (0x04) */
{ 0x05, 0x55 }, /* AK4671_MIC_AMP_GAIN (0x05) */
{ 0x06, 0x00 }, /* AK4671_MIXING_POWER_MANAGEMENT0 (0x06) */
{ 0x07, 0x00 }, /* AK4671_MIXING_POWER_MANAGEMENT1 (0x07) */
{ 0x08, 0xb5 }, /* AK4671_OUTPUT_VOLUME_CONTROL (0x08) */
{ 0x09, 0x00 }, /* AK4671_LOUT1_SIGNAL_SELECT (0x09) */
{ 0x0a, 0x00 }, /* AK4671_ROUT1_SIGNAL_SELECT (0x0a) */
{ 0x0b, 0x00 }, /* AK4671_LOUT2_SIGNAL_SELECT (0x0b) */
{ 0x0c, 0x00 }, /* AK4671_ROUT2_SIGNAL_SELECT (0x0c) */
{ 0x0d, 0x00 }, /* AK4671_LOUT3_SIGNAL_SELECT (0x0d) */
{ 0x0e, 0x00 }, /* AK4671_ROUT3_SIGNAL_SELECT (0x0e) */
{ 0x0f, 0x00 }, /* AK4671_LOUT1_POWER_MANAGERMENT (0x0f) */
{ 0x10, 0x00 }, /* AK4671_LOUT2_POWER_MANAGERMENT (0x10) */
{ 0x11, 0x80 }, /* AK4671_LOUT3_POWER_MANAGERMENT (0x11) */
{ 0x12, 0x91 }, /* AK4671_LCH_INPUT_VOLUME_CONTROL (0x12) */
{ 0x13, 0x91 }, /* AK4671_RCH_INPUT_VOLUME_CONTROL (0x13) */
{ 0x14, 0xe1 }, /* AK4671_ALC_REFERENCE_SELECT (0x14) */
{ 0x15, 0x00 }, /* AK4671_DIGITAL_MIXING_CONTROL (0x15) */
{ 0x16, 0x00 }, /* AK4671_ALC_TIMER_SELECT (0x16) */
{ 0x17, 0x00 }, /* AK4671_ALC_MODE_CONTROL (0x17) */
{ 0x18, 0x02 }, /* AK4671_MODE_CONTROL1 (0x18) */
{ 0x19, 0x01 }, /* AK4671_MODE_CONTROL2 (0x19) */
{ 0x1a, 0x18 }, /* AK4671_LCH_OUTPUT_VOLUME_CONTROL (0x1a) */
{ 0x1b, 0x18 }, /* AK4671_RCH_OUTPUT_VOLUME_CONTROL (0x1b) */
{ 0x1c, 0x00 }, /* AK4671_SIDETONE_A_CONTROL (0x1c) */
{ 0x1d, 0x02 }, /* AK4671_DIGITAL_FILTER_SELECT (0x1d) */
{ 0x1e, 0x00 }, /* AK4671_FIL3_COEFFICIENT0 (0x1e) */
{ 0x1f, 0x00 }, /* AK4671_FIL3_COEFFICIENT1 (0x1f) */
{ 0x20, 0x00 }, /* AK4671_FIL3_COEFFICIENT2 (0x20) */
{ 0x21, 0x00 }, /* AK4671_FIL3_COEFFICIENT3 (0x21) */
{ 0x22, 0x00 }, /* AK4671_EQ_COEFFICIENT0 (0x22) */
{ 0x23, 0x00 }, /* AK4671_EQ_COEFFICIENT1 (0x23) */
{ 0x24, 0x00 }, /* AK4671_EQ_COEFFICIENT2 (0x24) */
{ 0x25, 0x00 }, /* AK4671_EQ_COEFFICIENT3 (0x25) */
{ 0x26, 0x00 }, /* AK4671_EQ_COEFFICIENT4 (0x26) */
{ 0x27, 0x00 }, /* AK4671_EQ_COEFFICIENT5 (0x27) */
{ 0x28, 0xa9 }, /* AK4671_FIL1_COEFFICIENT0 (0x28) */
{ 0x29, 0x1f }, /* AK4671_FIL1_COEFFICIENT1 (0x29) */
{ 0x2a, 0xad }, /* AK4671_FIL1_COEFFICIENT2 (0x2a) */
{ 0x2b, 0x20 }, /* AK4671_FIL1_COEFFICIENT3 (0x2b) */
{ 0x2c, 0x00 }, /* AK4671_FIL2_COEFFICIENT0 (0x2c) */
{ 0x2d, 0x00 }, /* AK4671_FIL2_COEFFICIENT1 (0x2d) */
{ 0x2e, 0x00 }, /* AK4671_FIL2_COEFFICIENT2 (0x2e) */
{ 0x2f, 0x00 }, /* AK4671_FIL2_COEFFICIENT3 (0x2f) */
{ 0x30, 0x00 }, /* AK4671_DIGITAL_FILTER_SELECT2 (0x30) */
{ 0x32, 0x00 }, /* AK4671_E1_COEFFICIENT0 (0x32) */
{ 0x33, 0x00 }, /* AK4671_E1_COEFFICIENT1 (0x33) */
{ 0x34, 0x00 }, /* AK4671_E1_COEFFICIENT2 (0x34) */
{ 0x35, 0x00 }, /* AK4671_E1_COEFFICIENT3 (0x35) */
{ 0x36, 0x00 }, /* AK4671_E1_COEFFICIENT4 (0x36) */
{ 0x37, 0x00 }, /* AK4671_E1_COEFFICIENT5 (0x37) */
{ 0x38, 0x00 }, /* AK4671_E2_COEFFICIENT0 (0x38) */
{ 0x39, 0x00 }, /* AK4671_E2_COEFFICIENT1 (0x39) */
{ 0x3a, 0x00 }, /* AK4671_E2_COEFFICIENT2 (0x3a) */
{ 0x3b, 0x00 }, /* AK4671_E2_COEFFICIENT3 (0x3b) */
{ 0x3c, 0x00 }, /* AK4671_E2_COEFFICIENT4 (0x3c) */
{ 0x3d, 0x00 }, /* AK4671_E2_COEFFICIENT5 (0x3d) */
{ 0x3e, 0x00 }, /* AK4671_E3_COEFFICIENT0 (0x3e) */
{ 0x3f, 0x00 }, /* AK4671_E3_COEFFICIENT1 (0x3f) */
{ 0x40, 0x00 }, /* AK4671_E3_COEFFICIENT2 (0x40) */
{ 0x41, 0x00 }, /* AK4671_E3_COEFFICIENT3 (0x41) */
{ 0x42, 0x00 }, /* AK4671_E3_COEFFICIENT4 (0x42) */
{ 0x43, 0x00 }, /* AK4671_E3_COEFFICIENT5 (0x43) */
{ 0x44, 0x00 }, /* AK4671_E4_COEFFICIENT0 (0x44) */
{ 0x45, 0x00 }, /* AK4671_E4_COEFFICIENT1 (0x45) */
{ 0x46, 0x00 }, /* AK4671_E4_COEFFICIENT2 (0x46) */
{ 0x47, 0x00 }, /* AK4671_E4_COEFFICIENT3 (0x47) */
{ 0x48, 0x00 }, /* AK4671_E4_COEFFICIENT4 (0x48) */
{ 0x49, 0x00 }, /* AK4671_E4_COEFFICIENT5 (0x49) */
{ 0x4a, 0x00 }, /* AK4671_E5_COEFFICIENT0 (0x4a) */
{ 0x4b, 0x00 }, /* AK4671_E5_COEFFICIENT1 (0x4b) */
{ 0x4c, 0x00 }, /* AK4671_E5_COEFFICIENT2 (0x4c) */
{ 0x4d, 0x00 }, /* AK4671_E5_COEFFICIENT3 (0x4d) */
{ 0x4e, 0x00 }, /* AK4671_E5_COEFFICIENT4 (0x4e) */
{ 0x4f, 0x00 }, /* AK4671_E5_COEFFICIENT5 (0x4f) */
{ 0x50, 0x88 }, /* AK4671_EQ_CONTROL_250HZ_100HZ (0x50) */
{ 0x51, 0x88 }, /* AK4671_EQ_CONTROL_3500HZ_1KHZ (0x51) */
{ 0x52, 0x08 }, /* AK4671_EQ_CONTRO_10KHZ (0x52) */
{ 0x53, 0x00 }, /* AK4671_PCM_IF_CONTROL0 (0x53) */
{ 0x54, 0x00 }, /* AK4671_PCM_IF_CONTROL1 (0x54) */
{ 0x55, 0x00 }, /* AK4671_PCM_IF_CONTROL2 (0x55) */
{ 0x56, 0x18 }, /* AK4671_DIGITAL_VOLUME_B_CONTROL (0x56) */
{ 0x57, 0x18 }, /* AK4671_DIGITAL_VOLUME_C_CONTROL (0x57) */
{ 0x58, 0x00 }, /* AK4671_SIDETONE_VOLUME_CONTROL (0x58) */
{ 0x59, 0x00 }, /* AK4671_DIGITAL_MIXING_CONTROL2 (0x59) */
{ 0x5a, 0x00 }, /* AK4671_SAR_ADC_CONTROL (0x5a) */
};
/*
* LOUT1/ROUT1 output volume control:
* from -24 to 6 dB in 6 dB steps (mute instead of -30 dB)
*/
static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1);
/*
* LOUT2/ROUT2 output volume control:
* from -33 to 6 dB in 3 dB steps (mute instead of -33 dB)
*/
static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1);
/*
* LOUT3/ROUT3 output volume control:
* from -6 to 3 dB in 3 dB steps
*/
static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0);
/*
* Mic amp gain control:
* from -15 to 30 dB in 3 dB steps
* REVISIT: The actual min value(0x01) is -12 dB and the reg value 0x00 is not
* available
*/
static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0);
static const struct snd_kcontrol_new ak4671_snd_controls[] = {
/* Common playback gain controls */
SOC_SINGLE_TLV("Line Output1 Playback Volume",
AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv),
SOC_SINGLE_TLV("Headphone Output2 Playback Volume",
AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv),
SOC_SINGLE_TLV("Line Output3 Playback Volume",
AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv),
/* Common capture gain controls */
SOC_DOUBLE_TLV("Mic Amp Capture Volume",
AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv),
};
/* event handlers */
static int ak4671_out2_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);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
snd_soc_component_update_bits(component, AK4671_LOUT2_POWER_MANAGERMENT,
AK4671_MUTEN, AK4671_MUTEN);
break;
case SND_SOC_DAPM_PRE_PMD:
snd_soc_component_update_bits(component, AK4671_LOUT2_POWER_MANAGERMENT,
AK4671_MUTEN, 0);
break;
}
return 0;
}
/* Output Mixers */
static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = {
SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0),
SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0),
SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0),
SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0),
SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0),
SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0),
};
static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = {
SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0),
SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0),
SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0),
SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0),
SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0),
SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0),
};
static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = {
SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0),
SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0),
SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0),
SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0),
SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0),
SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0),
};
static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = {
SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0),
SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0),
SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0),
SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0),
SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0),
SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0),
};
static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = {
SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0),
SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0),
SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0),
SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0),
SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0),
SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0),
};
static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = {
SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0),
SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0),
SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0),
SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0),
SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0),
SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0),
};
/* Input MUXs */
static const char *ak4671_lin_mux_texts[] =
{"LIN1", "LIN2", "LIN3", "LIN4"};
static SOC_ENUM_SINGLE_DECL(ak4671_lin_mux_enum,
AK4671_MIC_SIGNAL_SELECT, 0,
ak4671_lin_mux_texts);
static const struct snd_kcontrol_new ak4671_lin_mux_control =
SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum);
static const char *ak4671_rin_mux_texts[] =
{"RIN1", "RIN2", "RIN3", "RIN4"};
static SOC_ENUM_SINGLE_DECL(ak4671_rin_mux_enum,
AK4671_MIC_SIGNAL_SELECT, 2,
ak4671_rin_mux_texts);
static const struct snd_kcontrol_new ak4671_rin_mux_control =
SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum);
static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = {
/* Inputs */
SND_SOC_DAPM_INPUT("LIN1"),
SND_SOC_DAPM_INPUT("RIN1"),
SND_SOC_DAPM_INPUT("LIN2"),
SND_SOC_DAPM_INPUT("RIN2"),
SND_SOC_DAPM_INPUT("LIN3"),
SND_SOC_DAPM_INPUT("RIN3"),
SND_SOC_DAPM_INPUT("LIN4"),
SND_SOC_DAPM_INPUT("RIN4"),
/* Outputs */
SND_SOC_DAPM_OUTPUT("LOUT1"),
SND_SOC_DAPM_OUTPUT("ROUT1"),
SND_SOC_DAPM_OUTPUT("LOUT2"),
SND_SOC_DAPM_OUTPUT("ROUT2"),
SND_SOC_DAPM_OUTPUT("LOUT3"),
SND_SOC_DAPM_OUTPUT("ROUT3"),
/* DAC */
SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback",
AK4671_AD_DA_POWER_MANAGEMENT, 6, 0),
SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback",
AK4671_AD_DA_POWER_MANAGEMENT, 7, 0),
/* ADC */
SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture",
AK4671_AD_DA_POWER_MANAGEMENT, 4, 0),
SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture",
AK4671_AD_DA_POWER_MANAGEMENT, 5, 0),
/* PGA */
SND_SOC_DAPM_PGA("LOUT2 Mix Amp",
AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0),
SND_SOC_DAPM_PGA("ROUT2 Mix Amp",
AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0),
SND_SOC_DAPM_PGA("LIN1 Mixing Circuit",
AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0),
SND_SOC_DAPM_PGA("RIN1 Mixing Circuit",
AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0),
SND_SOC_DAPM_PGA("LIN2 Mixing Circuit",
AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0),
SND_SOC_DAPM_PGA("RIN2 Mixing Circuit",
AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0),
SND_SOC_DAPM_PGA("LIN3 Mixing Circuit",
AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0),
SND_SOC_DAPM_PGA("RIN3 Mixing Circuit",
AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0),
SND_SOC_DAPM_PGA("LIN4 Mixing Circuit",
AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0),
SND_SOC_DAPM_PGA("RIN4 Mixing Circuit",
AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0),
/* Output Mixers */
SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0,
&ak4671_lout1_mixer_controls[0],
ARRAY_SIZE(ak4671_lout1_mixer_controls)),
SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0,
&ak4671_rout1_mixer_controls[0],
ARRAY_SIZE(ak4671_rout1_mixer_controls)),
SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
0, 0, &ak4671_lout2_mixer_controls[0],
ARRAY_SIZE(ak4671_lout2_mixer_controls),
ak4671_out2_event,
SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
1, 0, &ak4671_rout2_mixer_controls[0],
ARRAY_SIZE(ak4671_rout2_mixer_controls),
ak4671_out2_event,
SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0,
&ak4671_lout3_mixer_controls[0],
ARRAY_SIZE(ak4671_lout3_mixer_controls)),
SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0,
&ak4671_rout3_mixer_controls[0],
ARRAY_SIZE(ak4671_rout3_mixer_controls)),
/* Input MUXs */
SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0,
&ak4671_lin_mux_control),
SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0,
&ak4671_rin_mux_control),
/* Mic Power */
SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0),
/* Supply */
SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0),
};
static const struct snd_soc_dapm_route ak4671_intercon[] = {
{"DAC Left", NULL, "PMPLL"},
{"DAC Right", NULL, "PMPLL"},
{"ADC Left", NULL, "PMPLL"},
{"ADC Right", NULL, "PMPLL"},
/* Outputs */
{"LOUT1", NULL, "LOUT1 Mixer"},
{"ROUT1", NULL, "ROUT1 Mixer"},
{"LOUT2", NULL, "LOUT2 Mix Amp"},
{"ROUT2", NULL, "ROUT2 Mix Amp"},
{"LOUT3", NULL, "LOUT3 Mixer"},
{"ROUT3", NULL, "ROUT3 Mixer"},
{"LOUT1 Mixer", "DACL", "DAC Left"},
{"ROUT1 Mixer", "DACR", "DAC Right"},
{"LOUT2 Mixer", "DACHL", "DAC Left"},
{"ROUT2 Mixer", "DACHR", "DAC Right"},
{"LOUT2 Mix Amp", NULL, "LOUT2 Mixer"},
{"ROUT2 Mix Amp", NULL, "ROUT2 Mixer"},
{"LOUT3 Mixer", "DACSL", "DAC Left"},
{"ROUT3 Mixer", "DACSR", "DAC Right"},
/* Inputs */
{"LIN MUX", "LIN1", "LIN1"},
{"LIN MUX", "LIN2", "LIN2"},
{"LIN MUX", "LIN3", "LIN3"},
{"LIN MUX", "LIN4", "LIN4"},
{"RIN MUX", "RIN1", "RIN1"},
{"RIN MUX", "RIN2", "RIN2"},
{"RIN MUX", "RIN3", "RIN3"},
{"RIN MUX", "RIN4", "RIN4"},
{"LIN1", NULL, "Mic Bias"},
{"RIN1", NULL, "Mic Bias"},
{"LIN2", NULL, "Mic Bias"},
{"RIN2", NULL, "Mic Bias"},
{"ADC Left", NULL, "LIN MUX"},
{"ADC Right", NULL, "RIN MUX"},
/* Analog Loops */
{"LIN1 Mixing Circuit", NULL, "LIN1"},
{"RIN1 Mixing Circuit", NULL, "RIN1"},
{"LIN2 Mixing Circuit", NULL, "LIN2"},
{"RIN2 Mixing Circuit", NULL, "RIN2"},
{"LIN3 Mixing Circuit", NULL, "LIN3"},
{"RIN3 Mixing Circuit", NULL, "RIN3"},
{"LIN4 Mixing Circuit", NULL, "LIN4"},
{"RIN4 Mixing Circuit", NULL, "RIN4"},
{"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"},
{"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"},
{"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"},
{"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"},
{"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"},
{"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"},
{"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"},
{"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"},
{"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"},
{"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"},
{"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"},
{"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"},
{"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"},
{"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"},
{"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"},
{"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"},
{"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"},
{"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"},
{"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"},
{"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"},
{"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"},
{"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"},
{"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"},
{"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"},
};
static int ak4671_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;
u8 fs;
fs = snd_soc_component_read(component, AK4671_PLL_MODE_SELECT0);
fs &= ~AK4671_FS;
switch (params_rate(params)) {
case 8000:
fs |= AK4671_FS_8KHZ;
break;
case 12000:
fs |= AK4671_FS_12KHZ;
break;
case 16000:
fs |= AK4671_FS_16KHZ;
break;
case 24000:
fs |= AK4671_FS_24KHZ;
break;
case 11025:
fs |= AK4671_FS_11_025KHZ;
break;
case 22050:
fs |= AK4671_FS_22_05KHZ;
break;
case 32000:
fs |= AK4671_FS_32KHZ;
break;
case 44100:
fs |= AK4671_FS_44_1KHZ;
break;
case 48000:
fs |= AK4671_FS_48KHZ;
break;
default:
return -EINVAL;
}
snd_soc_component_write(component, AK4671_PLL_MODE_SELECT0, fs);
return 0;
}
static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
unsigned int freq, int dir)
{
struct snd_soc_component *component = dai->component;
u8 pll;
pll = snd_soc_component_read(component, AK4671_PLL_MODE_SELECT0);
pll &= ~AK4671_PLL;
switch (freq) {
case 11289600:
pll |= AK4671_PLL_11_2896MHZ;
break;
case 12000000:
pll |= AK4671_PLL_12MHZ;
break;
case 12288000:
pll |= AK4671_PLL_12_288MHZ;
break;
case 13000000:
pll |= AK4671_PLL_13MHZ;
break;
case 13500000:
pll |= AK4671_PLL_13_5MHZ;
break;
case 19200000:
pll |= AK4671_PLL_19_2MHZ;
break;
case 24000000:
pll |= AK4671_PLL_24MHZ;
break;
case 26000000:
pll |= AK4671_PLL_26MHZ;
break;
case 27000000:
pll |= AK4671_PLL_27MHZ;
break;
default:
return -EINVAL;
}
snd_soc_component_write(component, AK4671_PLL_MODE_SELECT0, pll);
return 0;
}
static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
struct snd_soc_component *component = dai->component;
u8 mode;
u8 format;
/* set master/slave audio interface */
mode = snd_soc_component_read(component, AK4671_PLL_MODE_SELECT1);
switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
case SND_SOC_DAIFMT_CBP_CFP:
mode |= AK4671_M_S;
break;
case SND_SOC_DAIFMT_CBP_CFC:
mode &= ~(AK4671_M_S);
break;
default:
return -EINVAL;
}
/* interface format */
format = snd_soc_component_read(component, AK4671_FORMAT_SELECT);
format &= ~AK4671_DIF;
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
format |= AK4671_DIF_I2S_MODE;
break;
case SND_SOC_DAIFMT_LEFT_J:
format |= AK4671_DIF_MSB_MODE;
break;
case SND_SOC_DAIFMT_DSP_A:
format |= AK4671_DIF_DSP_MODE;
format |= AK4671_BCKP;
format |= AK4671_MSBS;
break;
default:
return -EINVAL;
}
/* set mode and format */
snd_soc_component_write(component, AK4671_PLL_MODE_SELECT1, mode);
snd_soc_component_write(component, AK4671_FORMAT_SELECT, format);
return 0;
}
static int ak4671_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
switch (level) {
case SND_SOC_BIAS_ON:
case SND_SOC_BIAS_PREPARE:
case SND_SOC_BIAS_STANDBY:
snd_soc_component_update_bits(component, AK4671_AD_DA_POWER_MANAGEMENT,
AK4671_PMVCM, AK4671_PMVCM);
break;
case SND_SOC_BIAS_OFF:
snd_soc_component_write(component, AK4671_AD_DA_POWER_MANAGEMENT, 0x00);
break;
}
return 0;
}
#define AK4671_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
SNDRV_PCM_RATE_48000)
#define AK4671_FORMATS SNDRV_PCM_FMTBIT_S16_LE
static const struct snd_soc_dai_ops ak4671_dai_ops = {
.hw_params = ak4671_hw_params,
.set_sysclk = ak4671_set_dai_sysclk,
.set_fmt = ak4671_set_dai_fmt,
};
static struct snd_soc_dai_driver ak4671_dai = {
.name = "ak4671-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 2,
.rates = AK4671_RATES,
.formats = AK4671_FORMATS,},
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 2,
.rates = AK4671_RATES,
.formats = AK4671_FORMATS,},
.ops = &ak4671_dai_ops,
};
static const struct snd_soc_component_driver soc_component_dev_ak4671 = {
.set_bias_level = ak4671_set_bias_level,
.controls = ak4671_snd_controls,
.num_controls = ARRAY_SIZE(ak4671_snd_controls),
.dapm_widgets = ak4671_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(ak4671_dapm_widgets),
.dapm_routes = ak4671_intercon,
.num_dapm_routes = ARRAY_SIZE(ak4671_intercon),
.idle_bias_on = 1,
.use_pmdown_time = 1,
.endianness = 1,
};
static const struct regmap_config ak4671_regmap = {
.reg_bits = 8,
.val_bits = 8,
.max_register = AK4671_SAR_ADC_CONTROL,
.reg_defaults = ak4671_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(ak4671_reg_defaults),
.cache_type = REGCACHE_RBTREE,
};
static int ak4671_i2c_probe(struct i2c_client *client)
{
struct regmap *regmap;
int ret;
regmap = devm_regmap_init_i2c(client, &ak4671_regmap);
if (IS_ERR(regmap)) {
ret = PTR_ERR(regmap);
dev_err(&client->dev, "Failed to create regmap: %d\n", ret);
return ret;
}
ret = devm_snd_soc_register_component(&client->dev,
&soc_component_dev_ak4671, &ak4671_dai, 1);
return ret;
}
static const struct i2c_device_id ak4671_i2c_id[] = {
{ "ak4671" },
{ }
};
MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id);
static struct i2c_driver ak4671_i2c_driver = {
.driver = {
.name = "ak4671-codec",
},
.probe = ak4671_i2c_probe,
.id_table = ak4671_i2c_id,
};
module_i2c_driver(ak4671_i2c_driver);
MODULE_DESCRIPTION("ASoC AK4671 codec driver");
MODULE_AUTHOR("Joonyoung Shim <[email protected]>");
MODULE_LICENSE("GPL");
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