cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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adau1761.c (32678B)


      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * Driver for ADAU1361/ADAU1461/ADAU1761/ADAU1961 codec
      4 *
      5 * Copyright 2011-2013 Analog Devices Inc.
      6 * Author: Lars-Peter Clausen <lars@metafoo.de>
      7 */
      8
      9#include <linux/module.h>
     10#include <linux/init.h>
     11#include <linux/i2c.h>
     12#include <linux/spi/spi.h>
     13#include <linux/slab.h>
     14#include <sound/core.h>
     15#include <sound/pcm.h>
     16#include <sound/pcm_params.h>
     17#include <sound/soc.h>
     18#include <sound/tlv.h>
     19#include <linux/platform_data/adau17x1.h>
     20
     21#include "adau17x1.h"
     22#include "adau1761.h"
     23
     24#define ADAU1761_DIGMIC_JACKDETECT	0x4008
     25#define ADAU1761_REC_MIXER_LEFT0	0x400a
     26#define ADAU1761_REC_MIXER_LEFT1	0x400b
     27#define ADAU1761_REC_MIXER_RIGHT0	0x400c
     28#define ADAU1761_REC_MIXER_RIGHT1	0x400d
     29#define ADAU1761_LEFT_DIFF_INPUT_VOL	0x400e
     30#define ADAU1761_RIGHT_DIFF_INPUT_VOL	0x400f
     31#define ADAU1761_ALC_CTRL0		0x4011
     32#define ADAU1761_ALC_CTRL1		0x4012
     33#define ADAU1761_ALC_CTRL2		0x4013
     34#define ADAU1761_ALC_CTRL3		0x4014
     35#define ADAU1761_PLAY_LR_MIXER_LEFT	0x4020
     36#define ADAU1761_PLAY_MIXER_LEFT0	0x401c
     37#define ADAU1761_PLAY_MIXER_LEFT1	0x401d
     38#define ADAU1761_PLAY_MIXER_RIGHT0	0x401e
     39#define ADAU1761_PLAY_MIXER_RIGHT1	0x401f
     40#define ADAU1761_PLAY_LR_MIXER_RIGHT	0x4021
     41#define ADAU1761_PLAY_MIXER_MONO	0x4022
     42#define ADAU1761_PLAY_HP_LEFT_VOL	0x4023
     43#define ADAU1761_PLAY_HP_RIGHT_VOL	0x4024
     44#define ADAU1761_PLAY_LINE_LEFT_VOL	0x4025
     45#define ADAU1761_PLAY_LINE_RIGHT_VOL	0x4026
     46#define ADAU1761_PLAY_MONO_OUTPUT_VOL	0x4027
     47#define ADAU1761_POP_CLICK_SUPPRESS	0x4028
     48#define ADAU1761_JACK_DETECT_PIN	0x4031
     49#define ADAU1761_DEJITTER		0x4036
     50#define ADAU1761_CLK_ENABLE0		0x40f9
     51#define ADAU1761_CLK_ENABLE1		0x40fa
     52
     53#define ADAU1761_DIGMIC_JACKDETECT_ACTIVE_LOW	BIT(0)
     54#define ADAU1761_DIGMIC_JACKDETECT_DIGMIC	BIT(5)
     55
     56#define ADAU1761_DIFF_INPUT_VOL_LDEN		BIT(0)
     57
     58#define ADAU1761_PLAY_MONO_OUTPUT_VOL_MODE_HP	BIT(0)
     59#define ADAU1761_PLAY_MONO_OUTPUT_VOL_UNMUTE	BIT(1)
     60
     61#define ADAU1761_PLAY_HP_RIGHT_VOL_MODE_HP	BIT(0)
     62
     63#define ADAU1761_PLAY_LINE_LEFT_VOL_MODE_HP	BIT(0)
     64
     65#define ADAU1761_PLAY_LINE_RIGHT_VOL_MODE_HP	BIT(0)
     66
     67
     68#define ADAU1761_FIRMWARE "adau1761.bin"
     69
     70static const struct reg_default adau1761_reg_defaults[] = {
     71	{ ADAU1761_DEJITTER,			0x03 },
     72	{ ADAU1761_DIGMIC_JACKDETECT,		0x00 },
     73	{ ADAU1761_REC_MIXER_LEFT0,		0x00 },
     74	{ ADAU1761_REC_MIXER_LEFT1,		0x00 },
     75	{ ADAU1761_REC_MIXER_RIGHT0,		0x00 },
     76	{ ADAU1761_REC_MIXER_RIGHT1,		0x00 },
     77	{ ADAU1761_LEFT_DIFF_INPUT_VOL,		0x00 },
     78	{ ADAU1761_ALC_CTRL0,			0x00 },
     79	{ ADAU1761_ALC_CTRL1,			0x00 },
     80	{ ADAU1761_ALC_CTRL2,			0x00 },
     81	{ ADAU1761_ALC_CTRL3,			0x00 },
     82	{ ADAU1761_RIGHT_DIFF_INPUT_VOL,	0x00 },
     83	{ ADAU1761_PLAY_LR_MIXER_LEFT,		0x00 },
     84	{ ADAU1761_PLAY_MIXER_LEFT0,		0x00 },
     85	{ ADAU1761_PLAY_MIXER_LEFT1,		0x00 },
     86	{ ADAU1761_PLAY_MIXER_RIGHT0,		0x00 },
     87	{ ADAU1761_PLAY_MIXER_RIGHT1,		0x00 },
     88	{ ADAU1761_PLAY_LR_MIXER_RIGHT,		0x00 },
     89	{ ADAU1761_PLAY_MIXER_MONO,		0x00 },
     90	{ ADAU1761_PLAY_HP_LEFT_VOL,		0x00 },
     91	{ ADAU1761_PLAY_HP_RIGHT_VOL,		0x00 },
     92	{ ADAU1761_PLAY_LINE_LEFT_VOL,		0x00 },
     93	{ ADAU1761_PLAY_LINE_RIGHT_VOL,		0x00 },
     94	{ ADAU1761_PLAY_MONO_OUTPUT_VOL,	0x00 },
     95	{ ADAU1761_POP_CLICK_SUPPRESS,		0x00 },
     96	{ ADAU1761_JACK_DETECT_PIN,		0x00 },
     97	{ ADAU1761_CLK_ENABLE0,			0x00 },
     98	{ ADAU1761_CLK_ENABLE1,			0x00 },
     99	{ ADAU17X1_CLOCK_CONTROL,		0x00 },
    100	{ ADAU17X1_PLL_CONTROL,			0x00 },
    101	{ ADAU17X1_REC_POWER_MGMT,		0x00 },
    102	{ ADAU17X1_MICBIAS,			0x00 },
    103	{ ADAU17X1_SERIAL_PORT0,		0x00 },
    104	{ ADAU17X1_SERIAL_PORT1,		0x00 },
    105	{ ADAU17X1_CONVERTER0,			0x00 },
    106	{ ADAU17X1_CONVERTER1,			0x00 },
    107	{ ADAU17X1_LEFT_INPUT_DIGITAL_VOL,	0x00 },
    108	{ ADAU17X1_RIGHT_INPUT_DIGITAL_VOL,	0x00 },
    109	{ ADAU17X1_ADC_CONTROL,			0x00 },
    110	{ ADAU17X1_PLAY_POWER_MGMT,		0x00 },
    111	{ ADAU17X1_DAC_CONTROL0,		0x00 },
    112	{ ADAU17X1_DAC_CONTROL1,		0x00 },
    113	{ ADAU17X1_DAC_CONTROL2,		0x00 },
    114	{ ADAU17X1_SERIAL_PORT_PAD,		0xaa },
    115	{ ADAU17X1_CONTROL_PORT_PAD0,		0xaa },
    116	{ ADAU17X1_CONTROL_PORT_PAD1,		0x00 },
    117	{ ADAU17X1_DSP_SAMPLING_RATE,		0x01 },
    118	{ ADAU17X1_SERIAL_INPUT_ROUTE,		0x00 },
    119	{ ADAU17X1_SERIAL_OUTPUT_ROUTE,		0x00 },
    120	{ ADAU17X1_DSP_ENABLE,			0x00 },
    121	{ ADAU17X1_DSP_RUN,			0x00 },
    122	{ ADAU17X1_SERIAL_SAMPLING_RATE,	0x00 },
    123};
    124
    125static const DECLARE_TLV_DB_SCALE(adau1761_sing_in_tlv, -1500, 300, 1);
    126static const DECLARE_TLV_DB_SCALE(adau1761_diff_in_tlv, -1200, 75, 0);
    127static const DECLARE_TLV_DB_SCALE(adau1761_out_tlv, -5700, 100, 0);
    128static const DECLARE_TLV_DB_SCALE(adau1761_sidetone_tlv, -1800, 300, 1);
    129static const DECLARE_TLV_DB_SCALE(adau1761_boost_tlv, -600, 600, 1);
    130static const DECLARE_TLV_DB_SCALE(adau1761_pga_boost_tlv, -2000, 2000, 1);
    131
    132static const DECLARE_TLV_DB_SCALE(adau1761_alc_max_gain_tlv, -1200, 600, 0);
    133static const DECLARE_TLV_DB_SCALE(adau1761_alc_target_tlv, -2850, 150, 0);
    134static const DECLARE_TLV_DB_SCALE(adau1761_alc_ng_threshold_tlv, -7650, 150, 0);
    135
    136static const unsigned int adau1761_bias_select_values[] = {
    137	0, 2, 3,
    138};
    139
    140static const char * const adau1761_bias_select_text[] = {
    141	"Normal operation", "Enhanced performance", "Power saving",
    142};
    143
    144static const char * const adau1761_bias_select_extreme_text[] = {
    145	"Normal operation", "Extreme power saving", "Enhanced performance",
    146	"Power saving",
    147};
    148
    149static SOC_ENUM_SINGLE_DECL(adau1761_adc_bias_enum,
    150		ADAU17X1_REC_POWER_MGMT, 3, adau1761_bias_select_extreme_text);
    151static SOC_ENUM_SINGLE_DECL(adau1761_hp_bias_enum,
    152		ADAU17X1_PLAY_POWER_MGMT, 6, adau1761_bias_select_extreme_text);
    153static SOC_ENUM_SINGLE_DECL(adau1761_dac_bias_enum,
    154		ADAU17X1_PLAY_POWER_MGMT, 4, adau1761_bias_select_extreme_text);
    155static SOC_VALUE_ENUM_SINGLE_DECL(adau1761_playback_bias_enum,
    156		ADAU17X1_PLAY_POWER_MGMT, 2, 0x3, adau1761_bias_select_text,
    157		adau1761_bias_select_values);
    158static SOC_VALUE_ENUM_SINGLE_DECL(adau1761_capture_bias_enum,
    159		ADAU17X1_REC_POWER_MGMT, 1, 0x3, adau1761_bias_select_text,
    160		adau1761_bias_select_values);
    161
    162static const unsigned int adau1761_pga_slew_time_values[] = {
    163	3, 0, 1, 2,
    164};
    165
    166static const char * const adau1761_pga_slew_time_text[] = {
    167	"Off",
    168	"24 ms",
    169	"48 ms",
    170	"96 ms",
    171};
    172
    173static const char * const adau1761_alc_function_text[] = {
    174	"Off",
    175	"Right",
    176	"Left",
    177	"Stereo",
    178	"DSP control",
    179};
    180
    181static const char * const adau1761_alc_hold_time_text[] = {
    182	"2.67 ms",
    183	"5.34 ms",
    184	"10.68 ms",
    185	"21.36 ms",
    186	"42.72 ms",
    187	"85.44 ms",
    188	"170.88 ms",
    189	"341.76 ms",
    190	"683.52 ms",
    191	"1367 ms",
    192	"2734.1 ms",
    193	"5468.2 ms",
    194	"10936 ms",
    195	"21873 ms",
    196	"43745 ms",
    197	"87491 ms",
    198};
    199
    200static const char * const adau1761_alc_attack_time_text[] = {
    201	"6 ms",
    202	"12 ms",
    203	"24 ms",
    204	"48 ms",
    205	"96 ms",
    206	"192 ms",
    207	"384 ms",
    208	"768 ms",
    209	"1540 ms",
    210	"3070 ms",
    211	"6140 ms",
    212	"12290 ms",
    213	"24580 ms",
    214	"49150 ms",
    215	"98300 ms",
    216	"196610 ms",
    217};
    218
    219static const char * const adau1761_alc_decay_time_text[] = {
    220	"24 ms",
    221	"48 ms",
    222	"96 ms",
    223	"192 ms",
    224	"384 ms",
    225	"768 ms",
    226	"15400 ms",
    227	"30700 ms",
    228	"61400 ms",
    229	"12290 ms",
    230	"24580 ms",
    231	"49150 ms",
    232	"98300 ms",
    233	"196610 ms",
    234	"393220 ms",
    235	"786430 ms",
    236};
    237
    238static const char * const adau1761_alc_ng_type_text[] = {
    239	"Hold",
    240	"Mute",
    241	"Fade",
    242	"Fade + Mute",
    243};
    244
    245static SOC_VALUE_ENUM_SINGLE_DECL(adau1761_pga_slew_time_enum,
    246		ADAU1761_ALC_CTRL0, 6, 0x3, adau1761_pga_slew_time_text,
    247		adau1761_pga_slew_time_values);
    248static SOC_ENUM_SINGLE_DECL(adau1761_alc_function_enum,
    249		ADAU1761_ALC_CTRL0, 0, adau1761_alc_function_text);
    250static SOC_ENUM_SINGLE_DECL(adau1761_alc_hold_time_enum,
    251		ADAU1761_ALC_CTRL1, 4, adau1761_alc_hold_time_text);
    252static SOC_ENUM_SINGLE_DECL(adau1761_alc_attack_time_enum,
    253		ADAU1761_ALC_CTRL2, 4, adau1761_alc_attack_time_text);
    254static SOC_ENUM_SINGLE_DECL(adau1761_alc_decay_time_enum,
    255		ADAU1761_ALC_CTRL2, 0, adau1761_alc_decay_time_text);
    256static SOC_ENUM_SINGLE_DECL(adau1761_alc_ng_type_enum,
    257		ADAU1761_ALC_CTRL3, 6, adau1761_alc_ng_type_text);
    258
    259static const struct snd_kcontrol_new adau1761_jack_detect_controls[] = {
    260	SOC_SINGLE("Speaker Auto-mute Switch", ADAU1761_DIGMIC_JACKDETECT,
    261		4, 1, 0),
    262};
    263
    264static const struct snd_kcontrol_new adau1761_differential_mode_controls[] = {
    265	SOC_DOUBLE_R_TLV("Capture Volume", ADAU1761_LEFT_DIFF_INPUT_VOL,
    266		ADAU1761_RIGHT_DIFF_INPUT_VOL, 2, 0x3f, 0,
    267		adau1761_diff_in_tlv),
    268	SOC_DOUBLE_R("Capture Switch", ADAU1761_LEFT_DIFF_INPUT_VOL,
    269		ADAU1761_RIGHT_DIFF_INPUT_VOL, 1, 1, 0),
    270
    271	SOC_DOUBLE_R_TLV("PGA Boost Capture Volume", ADAU1761_REC_MIXER_LEFT1,
    272		ADAU1761_REC_MIXER_RIGHT1, 3, 2, 0, adau1761_pga_boost_tlv),
    273
    274	SOC_ENUM("PGA Capture Slew Time", adau1761_pga_slew_time_enum),
    275
    276	SOC_SINGLE_TLV("ALC Capture Max Gain Volume", ADAU1761_ALC_CTRL0,
    277		3, 7, 0, adau1761_alc_max_gain_tlv),
    278	SOC_ENUM("ALC Capture Function", adau1761_alc_function_enum),
    279	SOC_ENUM("ALC Capture Hold Time", adau1761_alc_hold_time_enum),
    280	SOC_SINGLE_TLV("ALC Capture Target Volume", ADAU1761_ALC_CTRL1,
    281		0, 15, 0, adau1761_alc_target_tlv),
    282	SOC_ENUM("ALC Capture Attack Time", adau1761_alc_decay_time_enum),
    283	SOC_ENUM("ALC Capture Decay Time", adau1761_alc_attack_time_enum),
    284	SOC_ENUM("ALC Capture Noise Gate Type", adau1761_alc_ng_type_enum),
    285	SOC_SINGLE("ALC Capture Noise Gate Switch",
    286		ADAU1761_ALC_CTRL3, 5, 1, 0),
    287	SOC_SINGLE_TLV("ALC Capture Noise Gate Threshold Volume",
    288		ADAU1761_ALC_CTRL3, 0, 31, 0, adau1761_alc_ng_threshold_tlv),
    289};
    290
    291static const struct snd_kcontrol_new adau1761_single_mode_controls[] = {
    292	SOC_SINGLE_TLV("Input 1 Capture Volume", ADAU1761_REC_MIXER_LEFT0,
    293		4, 7, 0, adau1761_sing_in_tlv),
    294	SOC_SINGLE_TLV("Input 2 Capture Volume", ADAU1761_REC_MIXER_LEFT0,
    295		1, 7, 0, adau1761_sing_in_tlv),
    296	SOC_SINGLE_TLV("Input 3 Capture Volume", ADAU1761_REC_MIXER_RIGHT0,
    297		4, 7, 0, adau1761_sing_in_tlv),
    298	SOC_SINGLE_TLV("Input 4 Capture Volume", ADAU1761_REC_MIXER_RIGHT0,
    299		1, 7, 0, adau1761_sing_in_tlv),
    300};
    301
    302static const struct snd_kcontrol_new adau1761_controls[] = {
    303	SOC_DOUBLE_R_TLV("Aux Capture Volume", ADAU1761_REC_MIXER_LEFT1,
    304		ADAU1761_REC_MIXER_RIGHT1, 0, 7, 0, adau1761_sing_in_tlv),
    305
    306	SOC_DOUBLE_R_TLV("Headphone Playback Volume", ADAU1761_PLAY_HP_LEFT_VOL,
    307		ADAU1761_PLAY_HP_RIGHT_VOL, 2, 0x3f, 0, adau1761_out_tlv),
    308	SOC_DOUBLE_R("Headphone Playback Switch", ADAU1761_PLAY_HP_LEFT_VOL,
    309		ADAU1761_PLAY_HP_RIGHT_VOL, 1, 1, 0),
    310	SOC_DOUBLE_R_TLV("Lineout Playback Volume", ADAU1761_PLAY_LINE_LEFT_VOL,
    311		ADAU1761_PLAY_LINE_RIGHT_VOL, 2, 0x3f, 0, adau1761_out_tlv),
    312	SOC_DOUBLE_R("Lineout Playback Switch", ADAU1761_PLAY_LINE_LEFT_VOL,
    313		ADAU1761_PLAY_LINE_RIGHT_VOL, 1, 1, 0),
    314
    315	SOC_ENUM("ADC Bias", adau1761_adc_bias_enum),
    316	SOC_ENUM("DAC Bias", adau1761_dac_bias_enum),
    317	SOC_ENUM("Capture Bias", adau1761_capture_bias_enum),
    318	SOC_ENUM("Playback Bias", adau1761_playback_bias_enum),
    319	SOC_ENUM("Headphone Bias", adau1761_hp_bias_enum),
    320};
    321
    322static const struct snd_kcontrol_new adau1761_mono_controls[] = {
    323	SOC_SINGLE_TLV("Mono Playback Volume", ADAU1761_PLAY_MONO_OUTPUT_VOL,
    324		2, 0x3f, 0, adau1761_out_tlv),
    325	SOC_SINGLE("Mono Playback Switch", ADAU1761_PLAY_MONO_OUTPUT_VOL,
    326		1, 1, 0),
    327};
    328
    329static const struct snd_kcontrol_new adau1761_left_mixer_controls[] = {
    330	SOC_DAPM_SINGLE_AUTODISABLE("Left DAC Switch",
    331		ADAU1761_PLAY_MIXER_LEFT0, 5, 1, 0),
    332	SOC_DAPM_SINGLE_AUTODISABLE("Right DAC Switch",
    333		ADAU1761_PLAY_MIXER_LEFT0, 6, 1, 0),
    334	SOC_DAPM_SINGLE_TLV("Aux Bypass Volume",
    335		ADAU1761_PLAY_MIXER_LEFT0, 1, 8, 0, adau1761_sidetone_tlv),
    336	SOC_DAPM_SINGLE_TLV("Right Bypass Volume",
    337		ADAU1761_PLAY_MIXER_LEFT1, 4, 8, 0, adau1761_sidetone_tlv),
    338	SOC_DAPM_SINGLE_TLV("Left Bypass Volume",
    339		ADAU1761_PLAY_MIXER_LEFT1, 0, 8, 0, adau1761_sidetone_tlv),
    340};
    341
    342static const struct snd_kcontrol_new adau1761_right_mixer_controls[] = {
    343	SOC_DAPM_SINGLE_AUTODISABLE("Left DAC Switch",
    344		ADAU1761_PLAY_MIXER_RIGHT0, 5, 1, 0),
    345	SOC_DAPM_SINGLE_AUTODISABLE("Right DAC Switch",
    346		ADAU1761_PLAY_MIXER_RIGHT0, 6, 1, 0),
    347	SOC_DAPM_SINGLE_TLV("Aux Bypass Volume",
    348		ADAU1761_PLAY_MIXER_RIGHT0, 1, 8, 0, adau1761_sidetone_tlv),
    349	SOC_DAPM_SINGLE_TLV("Right Bypass Volume",
    350		ADAU1761_PLAY_MIXER_RIGHT1, 4, 8, 0, adau1761_sidetone_tlv),
    351	SOC_DAPM_SINGLE_TLV("Left Bypass Volume",
    352		ADAU1761_PLAY_MIXER_RIGHT1, 0, 8, 0, adau1761_sidetone_tlv),
    353};
    354
    355static const struct snd_kcontrol_new adau1761_left_lr_mixer_controls[] = {
    356	SOC_DAPM_SINGLE_TLV("Left Volume",
    357		ADAU1761_PLAY_LR_MIXER_LEFT, 1, 2, 0, adau1761_boost_tlv),
    358	SOC_DAPM_SINGLE_TLV("Right Volume",
    359		ADAU1761_PLAY_LR_MIXER_LEFT, 3, 2, 0, adau1761_boost_tlv),
    360};
    361
    362static const struct snd_kcontrol_new adau1761_right_lr_mixer_controls[] = {
    363	SOC_DAPM_SINGLE_TLV("Left Volume",
    364		ADAU1761_PLAY_LR_MIXER_RIGHT, 1, 2, 0, adau1761_boost_tlv),
    365	SOC_DAPM_SINGLE_TLV("Right Volume",
    366		ADAU1761_PLAY_LR_MIXER_RIGHT, 3, 2, 0, adau1761_boost_tlv),
    367};
    368
    369static const char * const adau1761_input_mux_text[] = {
    370	"ADC", "DMIC",
    371};
    372
    373static SOC_ENUM_SINGLE_DECL(adau1761_input_mux_enum,
    374	ADAU17X1_ADC_CONTROL, 2, adau1761_input_mux_text);
    375
    376static const struct snd_kcontrol_new adau1761_input_mux_control =
    377	SOC_DAPM_ENUM("Input Select", adau1761_input_mux_enum);
    378
    379static int adau1761_dejitter_fixup(struct snd_soc_dapm_widget *w,
    380	struct snd_kcontrol *kcontrol, int event)
    381{
    382	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
    383	struct adau *adau = snd_soc_component_get_drvdata(component);
    384
    385	/* After any power changes have been made the dejitter circuit
    386	 * has to be reinitialized. */
    387	regmap_write(adau->regmap, ADAU1761_DEJITTER, 0);
    388	if (!adau->master)
    389		regmap_write(adau->regmap, ADAU1761_DEJITTER, 3);
    390
    391	return 0;
    392}
    393
    394static const struct snd_soc_dapm_widget adau1x61_dapm_widgets[] = {
    395	SND_SOC_DAPM_MIXER("Left Input Mixer", ADAU1761_REC_MIXER_LEFT0, 0, 0,
    396		NULL, 0),
    397	SND_SOC_DAPM_MIXER("Right Input Mixer", ADAU1761_REC_MIXER_RIGHT0, 0, 0,
    398		NULL, 0),
    399
    400	SOC_MIXER_ARRAY("Left Playback Mixer", ADAU1761_PLAY_MIXER_LEFT0,
    401		0, 0, adau1761_left_mixer_controls),
    402	SOC_MIXER_ARRAY("Right Playback Mixer", ADAU1761_PLAY_MIXER_RIGHT0,
    403		0, 0, adau1761_right_mixer_controls),
    404	SOC_MIXER_ARRAY("Left LR Playback Mixer", ADAU1761_PLAY_LR_MIXER_LEFT,
    405		0, 0, adau1761_left_lr_mixer_controls),
    406	SOC_MIXER_ARRAY("Right LR Playback Mixer", ADAU1761_PLAY_LR_MIXER_RIGHT,
    407		0, 0, adau1761_right_lr_mixer_controls),
    408
    409	SND_SOC_DAPM_SUPPLY("Headphone", ADAU1761_PLAY_HP_LEFT_VOL,
    410		0, 0, NULL, 0),
    411
    412	SND_SOC_DAPM_SUPPLY_S("SYSCLK", 2, SND_SOC_NOPM, 0, 0, NULL, 0),
    413
    414	SND_SOC_DAPM_POST("Dejitter fixup", adau1761_dejitter_fixup),
    415
    416	SND_SOC_DAPM_INPUT("LAUX"),
    417	SND_SOC_DAPM_INPUT("RAUX"),
    418	SND_SOC_DAPM_INPUT("LINP"),
    419	SND_SOC_DAPM_INPUT("LINN"),
    420	SND_SOC_DAPM_INPUT("RINP"),
    421	SND_SOC_DAPM_INPUT("RINN"),
    422
    423	SND_SOC_DAPM_OUTPUT("LOUT"),
    424	SND_SOC_DAPM_OUTPUT("ROUT"),
    425	SND_SOC_DAPM_OUTPUT("LHP"),
    426	SND_SOC_DAPM_OUTPUT("RHP"),
    427};
    428
    429static const struct snd_soc_dapm_widget adau1761_mono_dapm_widgets[] = {
    430	SND_SOC_DAPM_MIXER("Mono Playback Mixer", ADAU1761_PLAY_MIXER_MONO,
    431		0, 0, NULL, 0),
    432
    433	SND_SOC_DAPM_OUTPUT("MONOOUT"),
    434};
    435
    436static const struct snd_soc_dapm_widget adau1761_capless_dapm_widgets[] = {
    437	SND_SOC_DAPM_SUPPLY_S("Headphone VGND", 1, ADAU1761_PLAY_MIXER_MONO,
    438		0, 0, NULL, 0),
    439};
    440
    441static const struct snd_soc_dapm_route adau1x61_dapm_routes[] = {
    442	{ "Left Input Mixer", NULL, "LINP" },
    443	{ "Left Input Mixer", NULL, "LINN" },
    444	{ "Left Input Mixer", NULL, "LAUX" },
    445
    446	{ "Right Input Mixer", NULL, "RINP" },
    447	{ "Right Input Mixer", NULL, "RINN" },
    448	{ "Right Input Mixer", NULL, "RAUX" },
    449
    450	{ "Left Playback Mixer", NULL, "Left Playback Enable"},
    451	{ "Right Playback Mixer", NULL, "Right Playback Enable"},
    452	{ "Left LR Playback Mixer", NULL, "Left Playback Enable"},
    453	{ "Right LR Playback Mixer", NULL, "Right Playback Enable"},
    454
    455	{ "Left Playback Mixer", "Left DAC Switch", "Left DAC" },
    456	{ "Left Playback Mixer", "Right DAC Switch", "Right DAC" },
    457
    458	{ "Right Playback Mixer", "Left DAC Switch", "Left DAC" },
    459	{ "Right Playback Mixer", "Right DAC Switch", "Right DAC" },
    460
    461	{ "Left LR Playback Mixer", "Left Volume", "Left Playback Mixer" },
    462	{ "Left LR Playback Mixer", "Right Volume", "Right Playback Mixer" },
    463
    464	{ "Right LR Playback Mixer", "Left Volume", "Left Playback Mixer" },
    465	{ "Right LR Playback Mixer", "Right Volume", "Right Playback Mixer" },
    466
    467	{ "LHP", NULL, "Left Playback Mixer" },
    468	{ "RHP", NULL, "Right Playback Mixer" },
    469
    470	{ "LHP", NULL, "Headphone" },
    471	{ "RHP", NULL, "Headphone" },
    472
    473	{ "LOUT", NULL, "Left LR Playback Mixer" },
    474	{ "ROUT", NULL, "Right LR Playback Mixer" },
    475
    476	{ "Left Playback Mixer", "Aux Bypass Volume", "LAUX" },
    477	{ "Left Playback Mixer", "Left Bypass Volume", "Left Input Mixer" },
    478	{ "Left Playback Mixer", "Right Bypass Volume", "Right Input Mixer" },
    479	{ "Right Playback Mixer", "Aux Bypass Volume", "RAUX" },
    480	{ "Right Playback Mixer", "Left Bypass Volume", "Left Input Mixer" },
    481	{ "Right Playback Mixer", "Right Bypass Volume", "Right Input Mixer" },
    482};
    483
    484static const struct snd_soc_dapm_route adau1761_mono_dapm_routes[] = {
    485	{ "Mono Playback Mixer", NULL, "Left Playback Mixer" },
    486	{ "Mono Playback Mixer", NULL, "Right Playback Mixer" },
    487
    488	{ "MONOOUT", NULL, "Mono Playback Mixer" },
    489};
    490
    491static const struct snd_soc_dapm_route adau1761_capless_dapm_routes[] = {
    492	{ "Headphone", NULL, "Headphone VGND" },
    493};
    494
    495static const struct snd_soc_dapm_widget adau1761_dmic_widgets[] = {
    496	SND_SOC_DAPM_MUX("Left Decimator Mux", SND_SOC_NOPM, 0, 0,
    497		&adau1761_input_mux_control),
    498	SND_SOC_DAPM_MUX("Right Decimator Mux", SND_SOC_NOPM, 0, 0,
    499		&adau1761_input_mux_control),
    500
    501	SND_SOC_DAPM_INPUT("DMIC"),
    502};
    503
    504static const struct snd_soc_dapm_route adau1761_dmic_routes[] = {
    505	{ "Left Decimator Mux", "ADC", "Left Input Mixer" },
    506	{ "Left Decimator Mux", "DMIC", "DMIC" },
    507	{ "Right Decimator Mux", "ADC", "Right Input Mixer" },
    508	{ "Right Decimator Mux", "DMIC", "DMIC" },
    509
    510	{ "Left Decimator", NULL, "Left Decimator Mux" },
    511	{ "Right Decimator", NULL, "Right Decimator Mux" },
    512};
    513
    514static const struct snd_soc_dapm_route adau1761_no_dmic_routes[] = {
    515	{ "Left Decimator", NULL, "Left Input Mixer" },
    516	{ "Right Decimator", NULL, "Right Input Mixer" },
    517};
    518
    519static const struct snd_soc_dapm_widget adau1761_dapm_widgets[] = {
    520	SND_SOC_DAPM_SUPPLY("Serial Port Clock", ADAU1761_CLK_ENABLE0,
    521		0, 0, NULL, 0),
    522	SND_SOC_DAPM_SUPPLY("Serial Input Routing Clock", ADAU1761_CLK_ENABLE0,
    523		1, 0, NULL, 0),
    524	SND_SOC_DAPM_SUPPLY("Serial Output Routing Clock", ADAU1761_CLK_ENABLE0,
    525		3, 0, NULL, 0),
    526
    527	SND_SOC_DAPM_SUPPLY("Decimator Resync Clock", ADAU1761_CLK_ENABLE0,
    528		4, 0, NULL, 0),
    529	SND_SOC_DAPM_SUPPLY("Interpolator Resync Clock", ADAU1761_CLK_ENABLE0,
    530		2, 0, NULL, 0),
    531
    532	SND_SOC_DAPM_SUPPLY("Slew Clock", ADAU1761_CLK_ENABLE0, 6, 0, NULL, 0),
    533	SND_SOC_DAPM_SUPPLY("ALC Clock", ADAU1761_CLK_ENABLE0, 5, 0, NULL, 0),
    534
    535	SND_SOC_DAPM_SUPPLY_S("Digital Clock 0", 1, ADAU1761_CLK_ENABLE1,
    536		0, 0, NULL, 0),
    537	SND_SOC_DAPM_SUPPLY_S("Digital Clock 1", 1, ADAU1761_CLK_ENABLE1,
    538		1, 0, NULL, 0),
    539};
    540
    541static const struct snd_soc_dapm_route adau1761_dapm_routes[] = {
    542	{ "Left Decimator", NULL, "Digital Clock 0", },
    543	{ "Right Decimator", NULL, "Digital Clock 0", },
    544	{ "Left DAC", NULL, "Digital Clock 0", },
    545	{ "Right DAC", NULL, "Digital Clock 0", },
    546
    547	{ "AIFCLK", NULL, "Digital Clock 1" },
    548
    549	{ "Playback", NULL, "Serial Port Clock" },
    550	{ "Capture", NULL, "Serial Port Clock" },
    551	{ "Playback", NULL, "Serial Input Routing Clock" },
    552	{ "Capture", NULL, "Serial Output Routing Clock" },
    553
    554	{ "Left Decimator", NULL, "Decimator Resync Clock" },
    555	{ "Right Decimator", NULL, "Decimator Resync Clock" },
    556	{ "Left DAC", NULL, "Interpolator Resync Clock" },
    557	{ "Right DAC", NULL, "Interpolator Resync Clock" },
    558
    559	{ "Slew Clock", NULL, "Digital Clock 0" },
    560	{ "Right Playback Mixer", NULL, "Slew Clock" },
    561	{ "Left Playback Mixer", NULL, "Slew Clock" },
    562
    563	{ "Left Input Mixer", NULL, "ALC Clock" },
    564	{ "Right Input Mixer", NULL, "ALC Clock" },
    565
    566	{ "Digital Clock 0", NULL, "SYSCLK" },
    567	{ "Digital Clock 1", NULL, "SYSCLK" },
    568};
    569
    570static const struct snd_soc_dapm_route adau1761_dapm_dsp_routes[] = {
    571	{ "DSP", NULL, "Digital Clock 0" },
    572};
    573
    574static int adau1761_compatibility_probe(struct device *dev)
    575{
    576	struct adau *adau = dev_get_drvdata(dev);
    577	struct regmap *regmap = adau->regmap;
    578	int val, ret = 0;
    579
    580	/* Only consider compatibility mode when ADAU1361 was specified. */
    581	if (adau->type != ADAU1361)
    582		return 0;
    583
    584	regcache_cache_bypass(regmap, true);
    585
    586	/*
    587	 * This will enable the core clock and bypass the PLL,
    588	 * so that we can access the registers for probing purposes
    589	 * (without having to set up the PLL).
    590	 */
    591	regmap_write(regmap, ADAU17X1_CLOCK_CONTROL,
    592		ADAU17X1_CLOCK_CONTROL_SYSCLK_EN);
    593
    594	/*
    595	 * ADAU17X1_SERIAL_SAMPLING_RATE doesn't exist in non-DSP chips;
    596	 * reading it results in zero at all times, and write is a no-op.
    597	 * Use this register to probe for ADAU1761.
    598	 */
    599	regmap_write(regmap, ADAU17X1_SERIAL_SAMPLING_RATE, 1);
    600	ret = regmap_read(regmap, ADAU17X1_SERIAL_SAMPLING_RATE, &val);
    601	if (ret)
    602		goto exit;
    603	if (val != 1)
    604		goto exit;
    605	regmap_write(regmap, ADAU17X1_SERIAL_SAMPLING_RATE, 0);
    606	ret = regmap_read(regmap, ADAU17X1_SERIAL_SAMPLING_RATE, &val);
    607	if (ret)
    608		goto exit;
    609	if (val != 0)
    610		goto exit;
    611
    612	adau->type = ADAU1761_AS_1361;
    613exit:
    614	/* Disable core clock after probing. */
    615	regmap_write(regmap, ADAU17X1_CLOCK_CONTROL, 0);
    616	regcache_cache_bypass(regmap, false);
    617	return ret;
    618}
    619
    620static int adau1761_set_bias_level(struct snd_soc_component *component,
    621				 enum snd_soc_bias_level level)
    622{
    623	struct adau *adau = snd_soc_component_get_drvdata(component);
    624
    625	switch (level) {
    626	case SND_SOC_BIAS_ON:
    627		break;
    628	case SND_SOC_BIAS_PREPARE:
    629		break;
    630	case SND_SOC_BIAS_STANDBY:
    631		regcache_cache_only(adau->regmap, false);
    632		regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
    633			ADAU17X1_CLOCK_CONTROL_SYSCLK_EN,
    634			ADAU17X1_CLOCK_CONTROL_SYSCLK_EN);
    635		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
    636			regcache_sync(adau->regmap);
    637		break;
    638	case SND_SOC_BIAS_OFF:
    639		regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
    640			ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, 0);
    641		regcache_cache_only(adau->regmap, true);
    642		break;
    643
    644	}
    645	return 0;
    646}
    647
    648static enum adau1761_output_mode adau1761_get_lineout_mode(
    649	struct snd_soc_component *component)
    650{
    651	struct adau1761_platform_data *pdata = component->dev->platform_data;
    652
    653	if (pdata)
    654		return pdata->lineout_mode;
    655
    656	return ADAU1761_OUTPUT_MODE_LINE;
    657}
    658
    659static int adau1761_setup_digmic_jackdetect(struct snd_soc_component *component)
    660{
    661	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
    662	struct adau1761_platform_data *pdata = component->dev->platform_data;
    663	struct adau *adau = snd_soc_component_get_drvdata(component);
    664	enum adau1761_digmic_jackdet_pin_mode mode;
    665	unsigned int val = 0;
    666	int ret;
    667
    668	if (pdata)
    669		mode = pdata->digmic_jackdetect_pin_mode;
    670	else
    671		mode = ADAU1761_DIGMIC_JACKDET_PIN_MODE_NONE;
    672
    673	switch (mode) {
    674	case ADAU1761_DIGMIC_JACKDET_PIN_MODE_JACKDETECT:
    675		switch (pdata->jackdetect_debounce_time) {
    676		case ADAU1761_JACKDETECT_DEBOUNCE_5MS:
    677		case ADAU1761_JACKDETECT_DEBOUNCE_10MS:
    678		case ADAU1761_JACKDETECT_DEBOUNCE_20MS:
    679		case ADAU1761_JACKDETECT_DEBOUNCE_40MS:
    680			val |= pdata->jackdetect_debounce_time << 6;
    681			break;
    682		default:
    683			return -EINVAL;
    684		}
    685		if (pdata->jackdetect_active_low)
    686			val |= ADAU1761_DIGMIC_JACKDETECT_ACTIVE_LOW;
    687
    688		ret = snd_soc_add_component_controls(component,
    689			adau1761_jack_detect_controls,
    690			ARRAY_SIZE(adau1761_jack_detect_controls));
    691		if (ret)
    692			return ret;
    693		fallthrough;
    694	case ADAU1761_DIGMIC_JACKDET_PIN_MODE_NONE:
    695		ret = snd_soc_dapm_add_routes(dapm, adau1761_no_dmic_routes,
    696			ARRAY_SIZE(adau1761_no_dmic_routes));
    697		if (ret)
    698			return ret;
    699		break;
    700	case ADAU1761_DIGMIC_JACKDET_PIN_MODE_DIGMIC:
    701		ret = snd_soc_dapm_new_controls(dapm, adau1761_dmic_widgets,
    702			ARRAY_SIZE(adau1761_dmic_widgets));
    703		if (ret)
    704			return ret;
    705
    706		ret = snd_soc_dapm_add_routes(dapm, adau1761_dmic_routes,
    707			ARRAY_SIZE(adau1761_dmic_routes));
    708		if (ret)
    709			return ret;
    710
    711		val |= ADAU1761_DIGMIC_JACKDETECT_DIGMIC;
    712		break;
    713	default:
    714		return -EINVAL;
    715	}
    716
    717	regmap_write(adau->regmap, ADAU1761_DIGMIC_JACKDETECT, val);
    718
    719	return 0;
    720}
    721
    722static int adau1761_setup_headphone_mode(struct snd_soc_component *component)
    723{
    724	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
    725	struct adau *adau = snd_soc_component_get_drvdata(component);
    726	struct adau1761_platform_data *pdata = component->dev->platform_data;
    727	enum adau1761_output_mode mode;
    728	int ret;
    729
    730	if (pdata)
    731		mode = pdata->headphone_mode;
    732	else
    733		mode = ADAU1761_OUTPUT_MODE_HEADPHONE;
    734
    735	switch (mode) {
    736	case ADAU1761_OUTPUT_MODE_LINE:
    737		break;
    738	case ADAU1761_OUTPUT_MODE_HEADPHONE_CAPLESS:
    739		regmap_update_bits(adau->regmap, ADAU1761_PLAY_MONO_OUTPUT_VOL,
    740			ADAU1761_PLAY_MONO_OUTPUT_VOL_MODE_HP |
    741			ADAU1761_PLAY_MONO_OUTPUT_VOL_UNMUTE,
    742			ADAU1761_PLAY_MONO_OUTPUT_VOL_MODE_HP |
    743			ADAU1761_PLAY_MONO_OUTPUT_VOL_UNMUTE);
    744		fallthrough;
    745	case ADAU1761_OUTPUT_MODE_HEADPHONE:
    746		regmap_update_bits(adau->regmap, ADAU1761_PLAY_HP_RIGHT_VOL,
    747			ADAU1761_PLAY_HP_RIGHT_VOL_MODE_HP,
    748			ADAU1761_PLAY_HP_RIGHT_VOL_MODE_HP);
    749		break;
    750	default:
    751		return -EINVAL;
    752	}
    753
    754	if (mode == ADAU1761_OUTPUT_MODE_HEADPHONE_CAPLESS) {
    755		ret = snd_soc_dapm_new_controls(dapm,
    756			adau1761_capless_dapm_widgets,
    757			ARRAY_SIZE(adau1761_capless_dapm_widgets));
    758		if (ret)
    759			return ret;
    760		ret = snd_soc_dapm_add_routes(dapm,
    761			adau1761_capless_dapm_routes,
    762			ARRAY_SIZE(adau1761_capless_dapm_routes));
    763	} else {
    764		ret = snd_soc_add_component_controls(component, adau1761_mono_controls,
    765			ARRAY_SIZE(adau1761_mono_controls));
    766		if (ret)
    767			return ret;
    768		ret = snd_soc_dapm_new_controls(dapm,
    769			adau1761_mono_dapm_widgets,
    770			ARRAY_SIZE(adau1761_mono_dapm_widgets));
    771		if (ret)
    772			return ret;
    773		ret = snd_soc_dapm_add_routes(dapm,
    774			adau1761_mono_dapm_routes,
    775			ARRAY_SIZE(adau1761_mono_dapm_routes));
    776	}
    777
    778	return ret;
    779}
    780
    781static bool adau1761_readable_register(struct device *dev, unsigned int reg)
    782{
    783	switch (reg) {
    784	case ADAU1761_DIGMIC_JACKDETECT:
    785	case ADAU1761_REC_MIXER_LEFT0:
    786	case ADAU1761_REC_MIXER_LEFT1:
    787	case ADAU1761_REC_MIXER_RIGHT0:
    788	case ADAU1761_REC_MIXER_RIGHT1:
    789	case ADAU1761_LEFT_DIFF_INPUT_VOL:
    790	case ADAU1761_RIGHT_DIFF_INPUT_VOL:
    791	case ADAU1761_PLAY_LR_MIXER_LEFT:
    792	case ADAU1761_PLAY_MIXER_LEFT0:
    793	case ADAU1761_PLAY_MIXER_LEFT1:
    794	case ADAU1761_PLAY_MIXER_RIGHT0:
    795	case ADAU1761_PLAY_MIXER_RIGHT1:
    796	case ADAU1761_PLAY_LR_MIXER_RIGHT:
    797	case ADAU1761_PLAY_MIXER_MONO:
    798	case ADAU1761_PLAY_HP_LEFT_VOL:
    799	case ADAU1761_PLAY_HP_RIGHT_VOL:
    800	case ADAU1761_PLAY_LINE_LEFT_VOL:
    801	case ADAU1761_PLAY_LINE_RIGHT_VOL:
    802	case ADAU1761_PLAY_MONO_OUTPUT_VOL:
    803	case ADAU1761_POP_CLICK_SUPPRESS:
    804	case ADAU1761_JACK_DETECT_PIN:
    805	case ADAU1761_DEJITTER:
    806	case ADAU1761_CLK_ENABLE0:
    807	case ADAU1761_CLK_ENABLE1:
    808	case ADAU1761_ALC_CTRL0:
    809	case ADAU1761_ALC_CTRL1:
    810	case ADAU1761_ALC_CTRL2:
    811	case ADAU1761_ALC_CTRL3:
    812		return true;
    813	default:
    814		break;
    815	}
    816
    817	return adau17x1_readable_register(dev, reg);
    818}
    819
    820static int adau1761_component_probe(struct snd_soc_component *component)
    821{
    822	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
    823	struct adau1761_platform_data *pdata = component->dev->platform_data;
    824	struct adau *adau = snd_soc_component_get_drvdata(component);
    825	int ret;
    826
    827	ret = adau17x1_add_widgets(component);
    828	if (ret < 0)
    829		return ret;
    830
    831	if (pdata && pdata->input_differential) {
    832		regmap_update_bits(adau->regmap, ADAU1761_LEFT_DIFF_INPUT_VOL,
    833			ADAU1761_DIFF_INPUT_VOL_LDEN,
    834			ADAU1761_DIFF_INPUT_VOL_LDEN);
    835		regmap_update_bits(adau->regmap, ADAU1761_RIGHT_DIFF_INPUT_VOL,
    836			ADAU1761_DIFF_INPUT_VOL_LDEN,
    837			ADAU1761_DIFF_INPUT_VOL_LDEN);
    838		ret = snd_soc_add_component_controls(component,
    839			adau1761_differential_mode_controls,
    840			ARRAY_SIZE(adau1761_differential_mode_controls));
    841		if (ret)
    842			return ret;
    843	} else {
    844		ret = snd_soc_add_component_controls(component,
    845			adau1761_single_mode_controls,
    846			ARRAY_SIZE(adau1761_single_mode_controls));
    847		if (ret)
    848			return ret;
    849	}
    850
    851	switch (adau1761_get_lineout_mode(component)) {
    852	case ADAU1761_OUTPUT_MODE_LINE:
    853		break;
    854	case ADAU1761_OUTPUT_MODE_HEADPHONE:
    855		regmap_update_bits(adau->regmap, ADAU1761_PLAY_LINE_LEFT_VOL,
    856			ADAU1761_PLAY_LINE_LEFT_VOL_MODE_HP,
    857			ADAU1761_PLAY_LINE_LEFT_VOL_MODE_HP);
    858		regmap_update_bits(adau->regmap, ADAU1761_PLAY_LINE_RIGHT_VOL,
    859			ADAU1761_PLAY_LINE_RIGHT_VOL_MODE_HP,
    860			ADAU1761_PLAY_LINE_RIGHT_VOL_MODE_HP);
    861		break;
    862	default:
    863		return -EINVAL;
    864	}
    865
    866	ret = adau1761_setup_headphone_mode(component);
    867	if (ret)
    868		return ret;
    869
    870	ret = adau1761_setup_digmic_jackdetect(component);
    871	if (ret)
    872		return ret;
    873
    874	/*
    875	 * If we've got an ADAU1761, or an ADAU1761 operating as an
    876	 * ADAU1361, we need these non-DSP related DAPM widgets and routes.
    877	 */
    878	if (adau->type == ADAU1761 || adau->type == ADAU1761_AS_1361) {
    879		ret = snd_soc_dapm_new_controls(dapm, adau1761_dapm_widgets,
    880			ARRAY_SIZE(adau1761_dapm_widgets));
    881		if (ret)
    882			return ret;
    883
    884		ret = snd_soc_dapm_add_routes(dapm, adau1761_dapm_routes,
    885			ARRAY_SIZE(adau1761_dapm_routes));
    886		if (ret)
    887			return ret;
    888	}
    889	/*
    890	 * These routes are DSP related and only used when we have a
    891	 * bona fide ADAU1761.
    892	 */
    893	if (adau->type == ADAU1761) {
    894		ret = snd_soc_dapm_add_routes(dapm, adau1761_dapm_dsp_routes,
    895			ARRAY_SIZE(adau1761_dapm_dsp_routes));
    896		if (ret)
    897			return ret;
    898	}
    899	/*
    900	 * In the ADAU1761, by default, the AIF is routed to the DSP, whereas
    901	 * for the ADAU1361, the AIF is permanently routed to the ADC and DAC.
    902	 * Thus, if we have an ADAU1761 masquerading as an ADAU1361,
    903	 * we need to explicitly route the AIF to the ADC and DAC.
    904	 * For the ADAU1761, this is normally done by set_tdm_slot, but this
    905	 * function is not necessarily called during stream setup, so set up
    906	 * the compatible AIF routings here from the start.
    907	 */
    908	if  (adau->type == ADAU1761_AS_1361) {
    909		regmap_write(adau->regmap, ADAU17X1_SERIAL_INPUT_ROUTE, 0x01);
    910		regmap_write(adau->regmap, ADAU17X1_SERIAL_OUTPUT_ROUTE, 0x01);
    911	}
    912	ret = adau17x1_add_routes(component);
    913	if (ret < 0)
    914		return ret;
    915
    916	return 0;
    917}
    918
    919static const struct snd_soc_component_driver adau1761_component_driver = {
    920	.probe			= adau1761_component_probe,
    921	.resume			= adau17x1_resume,
    922	.set_bias_level		= adau1761_set_bias_level,
    923	.controls		= adau1761_controls,
    924	.num_controls		= ARRAY_SIZE(adau1761_controls),
    925	.dapm_widgets		= adau1x61_dapm_widgets,
    926	.num_dapm_widgets	= ARRAY_SIZE(adau1x61_dapm_widgets),
    927	.dapm_routes		= adau1x61_dapm_routes,
    928	.num_dapm_routes	= ARRAY_SIZE(adau1x61_dapm_routes),
    929	.suspend_bias_off	= 1,
    930	.idle_bias_on		= 1,
    931	.use_pmdown_time	= 1,
    932	.endianness		= 1,
    933	.non_legacy_dai_naming	= 1,
    934};
    935
    936#define ADAU1761_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
    937	SNDRV_PCM_FMTBIT_S32_LE)
    938
    939static struct snd_soc_dai_driver adau1361_dai_driver = {
    940	.name = "adau-hifi",
    941	.playback = {
    942		.stream_name = "Playback",
    943		.channels_min = 2,
    944		.channels_max = 4,
    945		.rates = SNDRV_PCM_RATE_8000_96000,
    946		.formats = ADAU1761_FORMATS,
    947	},
    948	.capture = {
    949		.stream_name = "Capture",
    950		.channels_min = 2,
    951		.channels_max = 4,
    952		.rates = SNDRV_PCM_RATE_8000_96000,
    953		.formats = ADAU1761_FORMATS,
    954	},
    955	.ops = &adau17x1_dai_ops,
    956};
    957
    958static struct snd_soc_dai_driver adau1761_dai_driver = {
    959	.name = "adau-hifi",
    960	.playback = {
    961		.stream_name = "Playback",
    962		.channels_min = 2,
    963		.channels_max = 8,
    964		.rates = SNDRV_PCM_RATE_8000_96000,
    965		.formats = ADAU1761_FORMATS,
    966	},
    967	.capture = {
    968		.stream_name = "Capture",
    969		.channels_min = 2,
    970		.channels_max = 8,
    971		.rates = SNDRV_PCM_RATE_8000_96000,
    972		.formats = ADAU1761_FORMATS,
    973	},
    974	.ops = &adau17x1_dai_ops,
    975};
    976
    977int adau1761_probe(struct device *dev, struct regmap *regmap,
    978	enum adau17x1_type type, void (*switch_mode)(struct device *dev))
    979{
    980	struct snd_soc_dai_driver *dai_drv;
    981	const char *firmware_name;
    982	int ret;
    983
    984	if (type == ADAU1361) {
    985		dai_drv = &adau1361_dai_driver;
    986		firmware_name = NULL;
    987	} else {
    988		dai_drv = &adau1761_dai_driver;
    989		firmware_name = ADAU1761_FIRMWARE;
    990	}
    991
    992	ret = adau17x1_probe(dev, regmap, type, switch_mode, firmware_name);
    993	if (ret)
    994		return ret;
    995
    996	ret = adau1761_compatibility_probe(dev);
    997	if (ret)
    998		return ret;
    999
   1000	/* Enable cache only mode as we could miss writes before bias level
   1001	 * reaches standby and the core clock is enabled */
   1002	regcache_cache_only(regmap, true);
   1003
   1004	return devm_snd_soc_register_component(dev, &adau1761_component_driver,
   1005					       dai_drv, 1);
   1006}
   1007EXPORT_SYMBOL_GPL(adau1761_probe);
   1008
   1009const struct regmap_config adau1761_regmap_config = {
   1010	.val_bits = 8,
   1011	.reg_bits = 16,
   1012	.max_register = 0x40fa,
   1013	.reg_defaults = adau1761_reg_defaults,
   1014	.num_reg_defaults = ARRAY_SIZE(adau1761_reg_defaults),
   1015	.readable_reg = adau1761_readable_register,
   1016	.volatile_reg = adau17x1_volatile_register,
   1017	.precious_reg = adau17x1_precious_register,
   1018	.cache_type = REGCACHE_RBTREE,
   1019};
   1020EXPORT_SYMBOL_GPL(adau1761_regmap_config);
   1021
   1022MODULE_DESCRIPTION("ASoC ADAU1361/ADAU1461/ADAU1761/ADAU1961 CODEC driver");
   1023MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
   1024MODULE_LICENSE("GPL");