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/*
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* ak5558.c -- audio driver for AK5558 ADC
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*
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* Copyright (C) 2015 Asahi Kasei Microdevices Corporation
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* Copyright 2017 NXP
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/i2c.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/gpio/consumer.h>
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#include <sound/soc.h>
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#include <sound/soc-dapm.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/initval.h>
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#include <sound/tlv.h>
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#include <linux/of_gpio.h>
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#include <linux/regmap.h>
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#include "ak5558.h"
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#define AK5558_SLAVE_CKS_AUTO
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/* enable debug */
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/* #define AK5558_DEBUG */
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/* AK5558 Codec Private Data */
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struct ak5558_priv {
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struct snd_soc_codec codec;
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struct i2c_client *i2c;
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int fs; /* Sampling Frequency */
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int rclk; /* Master Clock */
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int pdn_gpio; /* Power on / Reset GPIO */
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};
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/* ak5558 register cache & default register settings */
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static const struct reg_default ak5558_reg[] = {
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{ 0x0, 0xFF }, /* 0x00 AK5558_00_POWER_MANAGEMENT1 */
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{ 0x1, 0x01 }, /* 0x01 AK5558_01_POWER_MANAGEMENT2 */
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{ 0x2, 0x01 }, /* 0x02 AK5558_02_CONTROL1 */
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{ 0x3, 0x00 }, /* 0x03 AK5558_03_CONTROL2 */
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{ 0x4, 0x00 }, /* 0x04 AK5558_04_CONTROL3 */
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{ 0x5, 0x00 } /* 0x05 AK5558_05_DSD */
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};
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static const char * const mono_texts[] = {
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"8 Slot", "2 Slot", "4 Slot", "1 Slot",
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};
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static const struct soc_enum ak5558_mono_enum[] = {
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SOC_ENUM_SINGLE(AK5558_01_POWER_MANAGEMENT2, 1,
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ARRAY_SIZE(mono_texts), mono_texts)
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};
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static const char * const tdm_texts[] = {
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"Off", "TDM128", "TDM256", "TDM512",
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};
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static const char * const digfil_texts[] = {
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"Sharp Roll-Off", "Show Roll-Off",
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"Short Delay Sharp Roll-Off", "Short Delay Show Roll-Off",
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};
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static const struct soc_enum ak5558_adcset_enum[] = {
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SOC_ENUM_SINGLE(AK5558_03_CONTROL2, 5,
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ARRAY_SIZE(tdm_texts), tdm_texts),
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SOC_ENUM_SINGLE(AK5558_04_CONTROL3, 0,
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ARRAY_SIZE(digfil_texts), digfil_texts),
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};
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static const char * const dsdon_texts[] = {
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"PCM", "DSD",
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};
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static const char * const dsdsel_texts[] = {
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"64fs", "128fs", "256fs"
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};
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static const char * const dckb_texts[] = {
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"Falling", "Rising",
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};
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static const char * const dcks_texts[] = {
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"512fs", "768fs",
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};
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static const struct soc_enum ak5558_dsdset_enum[] = {
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SOC_ENUM_SINGLE(AK5558_04_CONTROL3, 7,
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ARRAY_SIZE(dsdon_texts), dsdon_texts),
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SOC_ENUM_SINGLE(AK5558_05_DSD, 0,
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ARRAY_SIZE(dsdsel_texts), dsdsel_texts),
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SOC_ENUM_SINGLE(AK5558_05_DSD, 2, ARRAY_SIZE(dckb_texts), dckb_texts),
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SOC_ENUM_SINGLE(AK5558_05_DSD, 5, ARRAY_SIZE(dcks_texts), dcks_texts),
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};
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#ifdef AK5558_DEBUG
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static const char * const test_reg_select[] = {
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"read AK5558 Reg 00:05",
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};
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static const struct soc_enum ak5558_enum[] = {
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SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(test_reg_select), test_reg_select),
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};
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static int nTestRegNo;
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static int get_test_reg(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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ucontrol->value.enumerated.item[0] = nTestRegNo;
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return 0;
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}
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static int set_test_reg(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
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u32 currMode = ucontrol->value.enumerated.item[0];
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int i, value;
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int regs, rege;
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nTestRegNo = currMode;
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regs = 0x00;
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rege = 0x05;
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for (i = regs; i <= rege; i++) {
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value = snd_soc_read(codec, i);
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pr_info("***AK5558 Addr,Reg=(%x, %x)\n", i, value);
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}
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return 0;
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}
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#endif
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static const struct snd_kcontrol_new ak5558_snd_controls[] = {
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SOC_ENUM("AK5558 Monaural Mode", ak5558_mono_enum[0]),
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SOC_ENUM("AK5558 TDM mode", ak5558_adcset_enum[0]),
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SOC_ENUM("AK5558 Digital Filter", ak5558_adcset_enum[1]),
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SOC_ENUM("AK5558 DSD Mode", ak5558_dsdset_enum[0]),
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SOC_ENUM("AK5558 Frequency of DCLK", ak5558_dsdset_enum[1]),
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SOC_ENUM("AK5558 Polarity of DCLK", ak5558_dsdset_enum[2]),
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SOC_ENUM("AK5558 Master Clock Frequency at DSD Mode",
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ak5558_dsdset_enum[3]),
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SOC_SINGLE("AK5558 DSD Phase Modulation", AK5558_05_DSD, 3, 1, 0),
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#ifdef AK5558_DEBUG
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SOC_ENUM_EXT("AK5558 Reg Read", ak5558_enum[0],
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get_test_reg, set_test_reg),
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#endif
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};
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static const char * const ak5558_channel_select_texts[] = {"Off", "On"};
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static SOC_ENUM_SINGLE_VIRT_DECL(ak5558_channel1_mux_enum,
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ak5558_channel_select_texts);
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static const struct snd_kcontrol_new ak5558_channel1_mux_control =
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SOC_DAPM_ENUM("Ch1 Switch", ak5558_channel1_mux_enum);
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static SOC_ENUM_SINGLE_VIRT_DECL(ak5558_channel2_mux_enum,
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ak5558_channel_select_texts);
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static const struct snd_kcontrol_new ak5558_channel2_mux_control =
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SOC_DAPM_ENUM("Ch2 Switch", ak5558_channel2_mux_enum);
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static SOC_ENUM_SINGLE_VIRT_DECL(ak5558_channel3_mux_enum,
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ak5558_channel_select_texts);
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static const struct snd_kcontrol_new ak5558_channel3_mux_control =
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SOC_DAPM_ENUM("Ch3 Switch", ak5558_channel3_mux_enum);
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static SOC_ENUM_SINGLE_VIRT_DECL(ak5558_channel4_mux_enum,
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ak5558_channel_select_texts);
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static const struct snd_kcontrol_new ak5558_channel4_mux_control =
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SOC_DAPM_ENUM("Ch4 Switch", ak5558_channel4_mux_enum);
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static SOC_ENUM_SINGLE_VIRT_DECL(ak5558_channel5_mux_enum,
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ak5558_channel_select_texts);
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static const struct snd_kcontrol_new ak5558_channel5_mux_control =
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SOC_DAPM_ENUM("Ch5 Switch", ak5558_channel5_mux_enum);
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static SOC_ENUM_SINGLE_VIRT_DECL(ak5558_channel6_mux_enum,
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ak5558_channel_select_texts);
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static const struct snd_kcontrol_new ak5558_channel6_mux_control =
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SOC_DAPM_ENUM("Ch6 Switch", ak5558_channel6_mux_enum);
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static SOC_ENUM_SINGLE_VIRT_DECL(ak5558_channel7_mux_enum,
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ak5558_channel_select_texts);
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static const struct snd_kcontrol_new ak5558_channel7_mux_control =
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SOC_DAPM_ENUM("Ch7 Switch", ak5558_channel7_mux_enum);
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static SOC_ENUM_SINGLE_VIRT_DECL(ak5558_channel8_mux_enum,
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ak5558_channel_select_texts);
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static const struct snd_kcontrol_new ak5558_channel8_mux_control =
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SOC_DAPM_ENUM("Ch8 Switch", ak5558_channel8_mux_enum);
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static const struct snd_soc_dapm_widget ak5558_dapm_widgets[] = {
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/* Analog Input */
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SND_SOC_DAPM_INPUT("AIN1"),
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SND_SOC_DAPM_INPUT("AIN2"),
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SND_SOC_DAPM_INPUT("AIN3"),
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SND_SOC_DAPM_INPUT("AIN4"),
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SND_SOC_DAPM_INPUT("AIN5"),
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SND_SOC_DAPM_INPUT("AIN6"),
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SND_SOC_DAPM_INPUT("AIN7"),
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SND_SOC_DAPM_INPUT("AIN8"),
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SND_SOC_DAPM_MUX("AK5558 Ch1 Enable", SND_SOC_NOPM, 0, 0,
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&ak5558_channel1_mux_control),
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SND_SOC_DAPM_MUX("AK5558 Ch2 Enable", SND_SOC_NOPM, 0, 0,
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&ak5558_channel2_mux_control),
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SND_SOC_DAPM_MUX("AK5558 Ch3 Enable", SND_SOC_NOPM, 0, 0,
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&ak5558_channel3_mux_control),
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SND_SOC_DAPM_MUX("AK5558 Ch4 Enable", SND_SOC_NOPM, 0, 0,
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&ak5558_channel4_mux_control),
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SND_SOC_DAPM_MUX("AK5558 Ch5 Enable", SND_SOC_NOPM, 0, 0,
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&ak5558_channel5_mux_control),
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SND_SOC_DAPM_MUX("AK5558 Ch6 Enable", SND_SOC_NOPM, 0, 0,
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&ak5558_channel6_mux_control),
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SND_SOC_DAPM_MUX("AK5558 Ch7 Enable", SND_SOC_NOPM, 0, 0,
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&ak5558_channel7_mux_control),
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SND_SOC_DAPM_MUX("AK5558 Ch8 Enable", SND_SOC_NOPM, 0, 0,
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&ak5558_channel8_mux_control),
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SND_SOC_DAPM_ADC("ADC Ch1", NULL, AK5558_00_POWER_MANAGEMENT1, 0, 0),
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SND_SOC_DAPM_ADC("ADC Ch2", NULL, AK5558_00_POWER_MANAGEMENT1, 1, 0),
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SND_SOC_DAPM_ADC("ADC Ch3", NULL, AK5558_00_POWER_MANAGEMENT1, 2, 0),
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SND_SOC_DAPM_ADC("ADC Ch4", NULL, AK5558_00_POWER_MANAGEMENT1, 3, 0),
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SND_SOC_DAPM_ADC("ADC Ch5", NULL, AK5558_00_POWER_MANAGEMENT1, 4, 0),
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SND_SOC_DAPM_ADC("ADC Ch6", NULL, AK5558_00_POWER_MANAGEMENT1, 5, 0),
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SND_SOC_DAPM_ADC("ADC Ch7", NULL, AK5558_00_POWER_MANAGEMENT1, 6, 0),
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SND_SOC_DAPM_ADC("ADC Ch8", NULL, AK5558_00_POWER_MANAGEMENT1, 7, 0),
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SND_SOC_DAPM_AIF_OUT("SDTO", "Capture", 0, SND_SOC_NOPM, 0, 0),
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};
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static const struct snd_soc_dapm_route ak5558_intercon[] = {
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{"AK5558 Ch1 Enable", "On", "AIN1"},
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{"ADC Ch1", NULL, "AK5558 Ch1 Enable"},
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{"SDTO", NULL, "ADC Ch1"},
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{"AK5558 Ch2 Enable", "On", "AIN2"},
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{"ADC Ch2", NULL, "AK5558 Ch2 Enable"},
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{"SDTO", NULL, "ADC Ch2"},
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{"AK5558 Ch3 Enable", "On", "AIN3"},
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{"ADC Ch3", NULL, "AK5558 Ch3 Enable"},
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{"SDTO", NULL, "ADC Ch3"},
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{"AK5558 Ch4 Enable", "On", "AIN4"},
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{"ADC Ch4", NULL, "AK5558 Ch4 Enable"},
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{"SDTO", NULL, "ADC Ch4"},
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{"AK5558 Ch5 Enable", "On", "AIN5"},
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{"ADC Ch5", NULL, "AK5558 Ch5 Enable"},
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{"SDTO", NULL, "ADC Ch5"},
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{"AK5558 Ch6 Enable", "On", "AIN6"},
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{"ADC Ch6", NULL, "AK5558 Ch6 Enable"},
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{"SDTO", NULL, "ADC Ch6"},
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{"AK5558 Ch7 Enable", "On", "AIN7"},
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{"ADC Ch7", NULL, "AK5558 Ch7 Enable"},
|
|
|
|
|
{"SDTO", NULL, "ADC Ch7"},
|
|
|
|
|
|
|
|
|
|
{"AK5558 Ch8 Enable", "On", "AIN8"},
|
|
|
|
|
{"ADC Ch8", NULL, "AK5558 Ch8 Enable"},
|
|
|
|
|
{"SDTO", NULL, "ADC Ch8"},
|
|
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static int ak5558_set_mcki(struct snd_soc_codec *codec, int fs, int rclk)
|
|
|
|
|
{
|
|
|
|
|
u8 mode;
|
|
|
|
|
#ifndef AK5558_SLAVE_CKS_AUTO
|
|
|
|
|
int mcki_rate;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
dev_dbg(codec->dev, "%s fs=%d rclk=%d\n", __func__, fs, rclk);
|
|
|
|
|
|
|
|
|
|
mode = snd_soc_read(codec, AK5558_02_CONTROL1);
|
|
|
|
|
mode &= ~AK5558_CKS;
|
|
|
|
|
|
|
|
|
|
#ifdef AK5558_SLAVE_CKS_AUTO
|
|
|
|
|
mode |= AK5558_CKS_AUTO;
|
|
|
|
|
#else
|
|
|
|
|
if (fs != 0 && rclk != 0) {
|
|
|
|
|
if (rclk % fs)
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
mcki_rate = rclk / fs;
|
|
|
|
|
|
|
|
|
|
if (fs > 400000) {
|
|
|
|
|
switch (mcki_rate) {
|
|
|
|
|
case 32:
|
|
|
|
|
mode |= AK5558_CKS_32FS_768KHZ;
|
|
|
|
|
break;
|
|
|
|
|
case 48:
|
|
|
|
|
mode |= AK5558_CKS_48FS_768KHZ;
|
|
|
|
|
break;
|
|
|
|
|
case 64:
|
|
|
|
|
mode |= AK5558_CKS_64FS_768KHZ;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
} else if (fs > 200000) {
|
|
|
|
|
switch (mcki_rate) {
|
|
|
|
|
case 64:
|
|
|
|
|
mode |= AK5558_CKS_64FS_384KHZ;
|
|
|
|
|
break;
|
|
|
|
|
case 96:
|
|
|
|
|
mode |= AK5558_CKS_96FS_384KHZ;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
} else if (fs > 108000) {
|
|
|
|
|
switch (mcki_rate) {
|
|
|
|
|
case 128:
|
|
|
|
|
mode |= AK5558_CKS_128FS_192KHZ;
|
|
|
|
|
break;
|
|
|
|
|
case 192:
|
|
|
|
|
mode |= AK5558_CKS_192FS_192KHZ;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
} else if (fs > 54000) {
|
|
|
|
|
switch (mcki_rate) {
|
|
|
|
|
case 256:
|
|
|
|
|
mode |= AK5558_CKS_256FS_96KHZ;
|
|
|
|
|
break;
|
|
|
|
|
case 384:
|
|
|
|
|
mode |= AK5558_CKS_384FS_96KHZ;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
switch (mcki_rate) {
|
|
|
|
|
case 256:
|
|
|
|
|
mode |= AK5558_CKS_256FS_48KHZ;
|
|
|
|
|
break;
|
|
|
|
|
case 384:
|
|
|
|
|
mode |= AK5558_CKS_384FS_48KHZ;
|
|
|
|
|
break;
|
|
|
|
|
case 512:
|
|
|
|
|
mode |= AK5558_CKS_512FS_48KHZ;
|
|
|
|
|
break;
|
|
|
|
|
case 768:
|
|
|
|
|
mode |= AK5558_CKS_768FS_48KHZ;
|
|
|
|
|
break;
|
|
|
|
|
case 1024:
|
|
|
|
|
if (fs > 32000)
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
mode |= AK5558_CKS_1024FS_16KHZ;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
snd_soc_update_bits(codec, AK5558_02_CONTROL1, AK5558_CKS, mode);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int ak5558_hw_params(struct snd_pcm_substream *substream,
|
|
|
|
|
struct snd_pcm_hw_params *params,
|
|
|
|
|
struct snd_soc_dai *dai)
|
|
|
|
|
{
|
|
|
|
|
struct snd_soc_codec *codec = dai->codec;
|
|
|
|
|
struct ak5558_priv *ak5558 = snd_soc_codec_get_drvdata(codec);
|
|
|
|
|
u8 bits;
|
|
|
|
|
|
|
|
|
|
dev_dbg(dai->dev, "%s(%d)\n", __func__, __LINE__);
|
|
|
|
|
|
|
|
|
|
/* set master/slave audio interface */
|
|
|
|
|
bits = snd_soc_read(codec, AK5558_02_CONTROL1);
|
|
|
|
|
bits &= ~AK5558_BITS;
|
|
|
|
|
|
|
|
|
|
switch (params_format(params)) {
|
|
|
|
|
case SNDRV_PCM_FORMAT_S16_LE:
|
|
|
|
|
case SNDRV_PCM_FORMAT_S24_LE:
|
|
|
|
|
bits |= AK5558_DIF_24BIT_MODE;
|
|
|
|
|
break;
|
|
|
|
|
case SNDRV_PCM_FORMAT_S32_LE:
|
|
|
|
|
bits |= AK5558_DIF_32BIT_MODE;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ak5558->fs = params_rate(params);
|
|
|
|
|
snd_soc_update_bits(codec, AK5558_02_CONTROL1, AK5558_BITS, bits);
|
|
|
|
|
|
|
|
|
|
ak5558_set_mcki(codec, ak5558->fs, ak5558->rclk);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int ak5558_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
|
|
|
|
|
unsigned int freq, int dir)
|
|
|
|
|
{
|
|
|
|
|
struct snd_soc_codec *codec = dai->codec;
|
|
|
|
|
struct ak5558_priv *ak5558 = snd_soc_codec_get_drvdata(codec);
|
|
|
|
|
|
|
|
|
|
dev_dbg(dai->dev, "%s(%d)\n", __func__, __LINE__);
|
|
|
|
|
|
|
|
|
|
ak5558->rclk = freq;
|
|
|
|
|
ak5558_set_mcki(codec, ak5558->fs, ak5558->rclk);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int ak5558_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
struct snd_soc_codec *codec = dai->codec;
|
|
|
|
|
u8 format;
|
|
|
|
|
|
|
|
|
|
dev_dbg(dai->dev, "%s(%d)\n", __func__, __LINE__);
|
|
|
|
|
|
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
|
|
|
|
case SND_SOC_DAIFMT_CBS_CFS:
|
|
|
|
|
break;
|
|
|
|
|
case SND_SOC_DAIFMT_CBM_CFM:
|
|
|
|
|
#ifdef AK5558_SLAVE_CKS_AUTO
|
|
|
|
|
break;
|
|
|
|
|
#else
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
#endif
|
|
|
|
|
case SND_SOC_DAIFMT_CBS_CFM:
|
|
|
|
|
case SND_SOC_DAIFMT_CBM_CFS:
|
|
|
|
|
default:
|
|
|
|
|
dev_err(codec->dev, "Clock mode unsupported");
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* set master/slave audio interface */
|
|
|
|
|
format = snd_soc_read(codec, AK5558_02_CONTROL1);
|
|
|
|
|
format &= ~AK5558_DIF;
|
|
|
|
|
|
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
|
|
|
|
case SND_SOC_DAIFMT_I2S:
|
|
|
|
|
format |= AK5558_DIF_I2S_MODE;
|
|
|
|
|
break;
|
|
|
|
|
case SND_SOC_DAIFMT_LEFT_J:
|
|
|
|
|
format |= AK5558_DIF_MSB_MODE;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
snd_soc_update_bits(codec,
|
|
|
|
|
AK5558_02_CONTROL1, AK5558_DIF, format);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int ak5558_set_dai_mute(struct snd_soc_dai *dai, int mute)
|
|
|
|
|
{
|
|
|
|
|
struct snd_soc_codec *codec = dai->codec;
|
|
|
|
|
struct ak5558_priv *ak5558 = snd_soc_codec_get_drvdata(codec);
|
|
|
|
|
int ndt;
|
|
|
|
|
|
|
|
|
|
if (mute) {
|
|
|
|
|
ndt = 0;
|
|
|
|
|
if (ak5558->fs != 0)
|
|
|
|
|
ndt = 583000 / ak5558->fs;
|
|
|
|
|
if (ndt < 5)
|
|
|
|
|
ndt = 5;
|
|
|
|
|
msleep(ndt);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int ak5558_set_bias_level(struct snd_soc_codec *codec,
|
|
|
|
|
enum snd_soc_bias_level level)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
dev_dbg(codec->dev, "%s bias level=%d\n", __func__, (int)level);
|
|
|
|
|
|
|
|
|
|
switch (level) {
|
|
|
|
|
case SND_SOC_BIAS_ON:
|
|
|
|
|
case SND_SOC_BIAS_PREPARE:
|
|
|
|
|
case SND_SOC_BIAS_STANDBY:
|
|
|
|
|
break;
|
|
|
|
|
case SND_SOC_BIAS_OFF:
|
|
|
|
|
snd_soc_write(codec, AK5558_00_POWER_MANAGEMENT1, 0x00);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define AK5558_RATES SNDRV_PCM_RATE_8000_192000
|
|
|
|
|
|
|
|
|
|
#define AK5558_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
|
|
|
|
|
SNDRV_PCM_FMTBIT_S24_LE |\
|
|
|
|
|
SNDRV_PCM_FMTBIT_S32_LE)
|
|
|
|
|
|
|
|
|
|
static struct snd_soc_dai_ops ak5558_dai_ops = {
|
|
|
|
|
.hw_params = ak5558_hw_params,
|
|
|
|
|
.set_sysclk = ak5558_set_dai_sysclk,
|
|
|
|
|
.set_fmt = ak5558_set_dai_fmt,
|
|
|
|
|
.digital_mute = ak5558_set_dai_mute,
|
|
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static struct snd_soc_dai_driver ak5558_dai = {
|
|
|
|
|
.name = "ak5558-aif",
|
|
|
|
|
.capture = {
|
|
|
|
|
.stream_name = "Capture",
|
|
|
|
|
.channels_min = 1,
|
|
|
|
|
.channels_max = 8,
|
|
|
|
|
.rates = AK5558_RATES,
|
|
|
|
|
.formats = AK5558_FORMATS,
|
|
|
|
|
},
|
|
|
|
|
.ops = &ak5558_dai_ops,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static int ak5558_init_reg(struct snd_soc_codec *codec)
|
|
|
|
|
{
|
|
|
|
|
int ret;
|
|
|
|
|
struct ak5558_priv *ak5558 = snd_soc_codec_get_drvdata(codec);
|
|
|
|
|
|
|
|
|
|
dev_dbg(codec->dev, "%s(%d)\n", __func__, __LINE__);
|
|
|
|
|
|
|
|
|
|
usleep_range(10000, 11000);
|
|
|
|
|
if (gpio_is_valid(ak5558->pdn_gpio)) {
|
|
|
|
|
gpio_set_value_cansleep(ak5558->pdn_gpio, 0);
|
|
|
|
|
usleep_range(1000, 2000);
|
|
|
|
|
gpio_set_value_cansleep(ak5558->pdn_gpio, 1);
|
|
|
|
|
usleep_range(1000, 2000);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ret = snd_soc_write(codec, AK5558_00_POWER_MANAGEMENT1, 0x0);
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
|
|
ret = snd_soc_update_bits(codec, AK5558_02_CONTROL1, AK5558_CKS,
|
|
|
|
|
AK5558_CKS_AUTO);
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int ak5558_probe(struct snd_soc_codec *codec)
|
|
|
|
|
{
|
|
|
|
|
struct ak5558_priv *ak5558 = snd_soc_codec_get_drvdata(codec);
|
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
|
|
dev_dbg(codec->dev, "%s(%d)\n", __func__, __LINE__);
|
|
|
|
|
|
|
|
|
|
ret = ak5558_init_reg(codec);
|
|
|
|
|
|
|
|
|
|
ak5558->fs = 48000;
|
|
|
|
|
ak5558->rclk = 0;
|
|
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int ak5558_remove(struct snd_soc_codec *codec)
|
|
|
|
|
{
|
|
|
|
|
struct ak5558_priv *ak5558 = snd_soc_codec_get_drvdata(codec);
|
|
|
|
|
|
|
|
|
|
ak5558_set_bias_level(codec, SND_SOC_BIAS_OFF);
|
|
|
|
|
|
|
|
|
|
if (gpio_is_valid(ak5558->pdn_gpio)) {
|
|
|
|
|
gpio_set_value_cansleep(ak5558->pdn_gpio, 0);
|
|
|
|
|
usleep_range(1000, 2000);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int ak5558_suspend(struct snd_soc_codec *codec)
|
|
|
|
|
{
|
|
|
|
|
struct ak5558_priv *ak5558 = snd_soc_codec_get_drvdata(codec);
|
|
|
|
|
|
|
|
|
|
ak5558_set_bias_level(codec, SND_SOC_BIAS_OFF);
|
|
|
|
|
|
|
|
|
|
if (gpio_is_valid(ak5558->pdn_gpio)) {
|
|
|
|
|
gpio_set_value_cansleep(ak5558->pdn_gpio, 0);
|
|
|
|
|
usleep_range(1000, 2000);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int ak5558_resume(struct snd_soc_codec *codec)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
ak5558_init_reg(codec);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
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|
|
|
|
|
|
|
|
struct snd_soc_codec_driver soc_codec_dev_ak5558 = {
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|
|
|
.probe = ak5558_probe,
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|
|
|
|
.remove = ak5558_remove,
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|
|
|
|
.suspend = ak5558_suspend,
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|
|
|
|
.resume = ak5558_resume,
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|
|
|
|
.idle_bias_off = true,
|
|
|
|
|
.set_bias_level = ak5558_set_bias_level,
|
|
|
|
|
|
|
|
|
|
.component_driver = {
|
|
|
|
|
.controls = ak5558_snd_controls,
|
|
|
|
|
.num_controls = ARRAY_SIZE(ak5558_snd_controls),
|
|
|
|
|
.dapm_widgets = ak5558_dapm_widgets,
|
|
|
|
|
.num_dapm_widgets = ARRAY_SIZE(ak5558_dapm_widgets),
|
|
|
|
|
.dapm_routes = ak5558_intercon,
|
|
|
|
|
.num_dapm_routes = ARRAY_SIZE(ak5558_intercon),
|
|
|
|
|
},
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static const struct regmap_config ak5558_regmap = {
|
|
|
|
|
.reg_bits = 8,
|
|
|
|
|
.val_bits = 8,
|
|
|
|
|
|
|
|
|
|
.max_register = AK5558_05_DSD,
|
|
|
|
|
.reg_defaults = ak5558_reg,
|
|
|
|
|
.num_reg_defaults = ARRAY_SIZE(ak5558_reg),
|
|
|
|
|
.cache_type = REGCACHE_RBTREE,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static int ak5558_i2c_probe(struct i2c_client *i2c,
|
|
|
|
|
const struct i2c_device_id *id)
|
|
|
|
|
{
|
|
|
|
|
struct device_node *np = i2c->dev.of_node;
|
|
|
|
|
struct ak5558_priv *ak5558;
|
|
|
|
|
struct regmap *regmap;
|
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
|
|
dev_err(&i2c->dev, "%s(%d)\n", __func__, __LINE__);
|
|
|
|
|
|
|
|
|
|
ak5558 = devm_kzalloc(&i2c->dev, sizeof(struct ak5558_priv),
|
|
|
|
|
GFP_KERNEL);
|
|
|
|
|
if (ak5558 == NULL)
|
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
|
|
regmap = devm_regmap_init_i2c(i2c, &ak5558_regmap);
|
|
|
|
|
if (IS_ERR(regmap))
|
|
|
|
|
return PTR_ERR(regmap);
|
|
|
|
|
|
|
|
|
|
i2c_set_clientdata(i2c, ak5558);
|
|
|
|
|
ak5558->i2c = i2c;
|
|
|
|
|
|
|
|
|
|
ak5558->pdn_gpio = of_get_named_gpio(np, "ak5558,pdn-gpio", 0);
|
|
|
|
|
if (gpio_is_valid(ak5558->pdn_gpio)) {
|
|
|
|
|
ret = devm_gpio_request_one(&i2c->dev, ak5558->pdn_gpio,
|
|
|
|
|
GPIOF_OUT_INIT_LOW, "ak5558,pdn");
|
|
|
|
|
if (ret) {
|
|
|
|
|
dev_err(&i2c->dev, "unable to get pdn gpio\n");
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_ak5558,
|
|
|
|
|
&ak5558_dai, 1);
|
|
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int ak5558_i2c_remove(struct i2c_client *client)
|
|
|
|
|
{
|
|
|
|
|
snd_soc_unregister_codec(&client->dev);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static const struct of_device_id ak5558_i2c_dt_ids[] = {
|
|
|
|
|
{ .compatible = "asahi-kasei,ak5558"},
|
|
|
|
|
{ }
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static const struct i2c_device_id ak5558_i2c_id[] = {
|
|
|
|
|
{ "ak5558", 0 },
|
|
|
|
|
{ }
|
|
|
|
|
};
|
|
|
|
|
MODULE_DEVICE_TABLE(i2c, ak5558_i2c_id);
|
|
|
|
|
|
|
|
|
|
static struct i2c_driver ak5558_i2c_driver = {
|
|
|
|
|
.driver = {
|
|
|
|
|
.name = "ak5558",
|
|
|
|
|
.of_match_table = of_match_ptr(ak5558_i2c_dt_ids),
|
|
|
|
|
},
|
|
|
|
|
.probe = ak5558_i2c_probe,
|
|
|
|
|
.remove = ak5558_i2c_remove,
|
|
|
|
|
.id_table = ak5558_i2c_id,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
module_i2c_driver(ak5558_i2c_driver);
|
|
|
|
|
|
|
|
|
|
MODULE_AUTHOR("Junichi Wakasugi <wakasugi.jb@om.asahi-kasei.co.jp>");
|
|
|
|
|
MODULE_AUTHOR("Mihai Serban <mihai.serban@nxp.com>");
|
|
|
|
|
MODULE_DESCRIPTION("ASoC AK5558 ADC driver");
|
|
|
|
|
MODULE_LICENSE("GPL");
|