cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

ak4671.c (22421B)


      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * ak4671.c  --  audio driver for AK4671
      4 *
      5 * Copyright (C) 2009 Samsung Electronics Co.Ltd
      6 * Author: Joonyoung Shim <jy0922.shim@samsung.com>
      7 */
      8
      9#include <linux/module.h>
     10#include <linux/init.h>
     11#include <linux/i2c.h>
     12#include <linux/delay.h>
     13#include <linux/regmap.h>
     14#include <linux/slab.h>
     15#include <sound/soc.h>
     16#include <sound/initval.h>
     17#include <sound/tlv.h>
     18
     19#include "ak4671.h"
     20
     21
     22/* ak4671 register cache & default register settings */
     23static const struct reg_default ak4671_reg_defaults[] = {
     24	{ 0x00, 0x00 },	/* AK4671_AD_DA_POWER_MANAGEMENT	(0x00)	*/
     25	{ 0x01, 0xf6 },	/* AK4671_PLL_MODE_SELECT0		(0x01)	*/
     26	{ 0x02, 0x00 },	/* AK4671_PLL_MODE_SELECT1		(0x02)	*/
     27	{ 0x03, 0x02 },	/* AK4671_FORMAT_SELECT			(0x03)	*/
     28	{ 0x04, 0x00 },	/* AK4671_MIC_SIGNAL_SELECT		(0x04)	*/
     29	{ 0x05, 0x55 },	/* AK4671_MIC_AMP_GAIN			(0x05)	*/
     30	{ 0x06, 0x00 },	/* AK4671_MIXING_POWER_MANAGEMENT0	(0x06)	*/
     31	{ 0x07, 0x00 },	/* AK4671_MIXING_POWER_MANAGEMENT1	(0x07)	*/
     32	{ 0x08, 0xb5 },	/* AK4671_OUTPUT_VOLUME_CONTROL		(0x08)	*/
     33	{ 0x09, 0x00 },	/* AK4671_LOUT1_SIGNAL_SELECT		(0x09)	*/
     34	{ 0x0a, 0x00 },	/* AK4671_ROUT1_SIGNAL_SELECT		(0x0a)	*/
     35	{ 0x0b, 0x00 },	/* AK4671_LOUT2_SIGNAL_SELECT		(0x0b)	*/
     36	{ 0x0c, 0x00 },	/* AK4671_ROUT2_SIGNAL_SELECT		(0x0c)	*/
     37	{ 0x0d, 0x00 },	/* AK4671_LOUT3_SIGNAL_SELECT		(0x0d)	*/
     38	{ 0x0e, 0x00 },	/* AK4671_ROUT3_SIGNAL_SELECT		(0x0e)	*/
     39	{ 0x0f, 0x00 },	/* AK4671_LOUT1_POWER_MANAGERMENT	(0x0f)	*/
     40	{ 0x10, 0x00 },	/* AK4671_LOUT2_POWER_MANAGERMENT	(0x10)	*/
     41	{ 0x11, 0x80 },	/* AK4671_LOUT3_POWER_MANAGERMENT	(0x11)	*/
     42	{ 0x12, 0x91 },	/* AK4671_LCH_INPUT_VOLUME_CONTROL	(0x12)	*/
     43	{ 0x13, 0x91 },	/* AK4671_RCH_INPUT_VOLUME_CONTROL	(0x13)	*/
     44	{ 0x14, 0xe1 },	/* AK4671_ALC_REFERENCE_SELECT		(0x14)	*/
     45	{ 0x15, 0x00 },	/* AK4671_DIGITAL_MIXING_CONTROL	(0x15)	*/
     46	{ 0x16, 0x00 },	/* AK4671_ALC_TIMER_SELECT		(0x16)	*/
     47	{ 0x17, 0x00 },	/* AK4671_ALC_MODE_CONTROL		(0x17)	*/
     48	{ 0x18, 0x02 },	/* AK4671_MODE_CONTROL1			(0x18)	*/
     49	{ 0x19, 0x01 },	/* AK4671_MODE_CONTROL2			(0x19)	*/
     50	{ 0x1a, 0x18 },	/* AK4671_LCH_OUTPUT_VOLUME_CONTROL	(0x1a)	*/
     51	{ 0x1b, 0x18 },	/* AK4671_RCH_OUTPUT_VOLUME_CONTROL	(0x1b)	*/
     52	{ 0x1c, 0x00 },	/* AK4671_SIDETONE_A_CONTROL		(0x1c)	*/
     53	{ 0x1d, 0x02 },	/* AK4671_DIGITAL_FILTER_SELECT		(0x1d)	*/
     54	{ 0x1e, 0x00 },	/* AK4671_FIL3_COEFFICIENT0		(0x1e)	*/
     55	{ 0x1f, 0x00 },	/* AK4671_FIL3_COEFFICIENT1		(0x1f)	*/
     56	{ 0x20, 0x00 },	/* AK4671_FIL3_COEFFICIENT2		(0x20)	*/
     57	{ 0x21, 0x00 },	/* AK4671_FIL3_COEFFICIENT3		(0x21)	*/
     58	{ 0x22, 0x00 },	/* AK4671_EQ_COEFFICIENT0		(0x22)	*/
     59	{ 0x23, 0x00 },	/* AK4671_EQ_COEFFICIENT1		(0x23)	*/
     60	{ 0x24, 0x00 },	/* AK4671_EQ_COEFFICIENT2		(0x24)	*/
     61	{ 0x25, 0x00 },	/* AK4671_EQ_COEFFICIENT3		(0x25)	*/
     62	{ 0x26, 0x00 },	/* AK4671_EQ_COEFFICIENT4		(0x26)	*/
     63	{ 0x27, 0x00 },	/* AK4671_EQ_COEFFICIENT5		(0x27)	*/
     64	{ 0x28, 0xa9 },	/* AK4671_FIL1_COEFFICIENT0		(0x28)	*/
     65	{ 0x29, 0x1f },	/* AK4671_FIL1_COEFFICIENT1		(0x29)	*/
     66	{ 0x2a, 0xad },	/* AK4671_FIL1_COEFFICIENT2		(0x2a)	*/
     67	{ 0x2b, 0x20 },	/* AK4671_FIL1_COEFFICIENT3		(0x2b)	*/
     68	{ 0x2c, 0x00 },	/* AK4671_FIL2_COEFFICIENT0		(0x2c)	*/
     69	{ 0x2d, 0x00 },	/* AK4671_FIL2_COEFFICIENT1		(0x2d)	*/
     70	{ 0x2e, 0x00 },	/* AK4671_FIL2_COEFFICIENT2		(0x2e)	*/
     71	{ 0x2f, 0x00 },	/* AK4671_FIL2_COEFFICIENT3		(0x2f)	*/
     72	{ 0x30, 0x00 },	/* AK4671_DIGITAL_FILTER_SELECT2	(0x30)	*/
     73
     74	{ 0x32, 0x00 },	/* AK4671_E1_COEFFICIENT0		(0x32)	*/
     75	{ 0x33, 0x00 },	/* AK4671_E1_COEFFICIENT1		(0x33)	*/
     76	{ 0x34, 0x00 },	/* AK4671_E1_COEFFICIENT2		(0x34)	*/
     77	{ 0x35, 0x00 },	/* AK4671_E1_COEFFICIENT3		(0x35)	*/
     78	{ 0x36, 0x00 },	/* AK4671_E1_COEFFICIENT4		(0x36)	*/
     79	{ 0x37, 0x00 },	/* AK4671_E1_COEFFICIENT5		(0x37)	*/
     80	{ 0x38, 0x00 },	/* AK4671_E2_COEFFICIENT0		(0x38)	*/
     81	{ 0x39, 0x00 },	/* AK4671_E2_COEFFICIENT1		(0x39)	*/
     82	{ 0x3a, 0x00 },	/* AK4671_E2_COEFFICIENT2		(0x3a)	*/
     83	{ 0x3b, 0x00 },	/* AK4671_E2_COEFFICIENT3		(0x3b)	*/
     84	{ 0x3c, 0x00 },	/* AK4671_E2_COEFFICIENT4		(0x3c)	*/
     85	{ 0x3d, 0x00 },	/* AK4671_E2_COEFFICIENT5		(0x3d)	*/
     86	{ 0x3e, 0x00 },	/* AK4671_E3_COEFFICIENT0		(0x3e)	*/
     87	{ 0x3f, 0x00 },	/* AK4671_E3_COEFFICIENT1		(0x3f)	*/
     88	{ 0x40, 0x00 },	/* AK4671_E3_COEFFICIENT2		(0x40)	*/
     89	{ 0x41, 0x00 },	/* AK4671_E3_COEFFICIENT3		(0x41)	*/
     90	{ 0x42, 0x00 },	/* AK4671_E3_COEFFICIENT4		(0x42)	*/
     91	{ 0x43, 0x00 },	/* AK4671_E3_COEFFICIENT5		(0x43)	*/
     92	{ 0x44, 0x00 },	/* AK4671_E4_COEFFICIENT0		(0x44)	*/
     93	{ 0x45, 0x00 },	/* AK4671_E4_COEFFICIENT1		(0x45)	*/
     94	{ 0x46, 0x00 },	/* AK4671_E4_COEFFICIENT2		(0x46)	*/
     95	{ 0x47, 0x00 },	/* AK4671_E4_COEFFICIENT3		(0x47)	*/
     96	{ 0x48, 0x00 },	/* AK4671_E4_COEFFICIENT4		(0x48)	*/
     97	{ 0x49, 0x00 },	/* AK4671_E4_COEFFICIENT5		(0x49)	*/
     98	{ 0x4a, 0x00 },	/* AK4671_E5_COEFFICIENT0		(0x4a)	*/
     99	{ 0x4b, 0x00 },	/* AK4671_E5_COEFFICIENT1		(0x4b)	*/
    100	{ 0x4c, 0x00 },	/* AK4671_E5_COEFFICIENT2		(0x4c)	*/
    101	{ 0x4d, 0x00 },	/* AK4671_E5_COEFFICIENT3		(0x4d)	*/
    102	{ 0x4e, 0x00 },	/* AK4671_E5_COEFFICIENT4		(0x4e)	*/
    103	{ 0x4f, 0x00 },	/* AK4671_E5_COEFFICIENT5		(0x4f)	*/
    104	{ 0x50, 0x88 },	/* AK4671_EQ_CONTROL_250HZ_100HZ	(0x50)	*/
    105	{ 0x51, 0x88 },	/* AK4671_EQ_CONTROL_3500HZ_1KHZ	(0x51)	*/
    106	{ 0x52, 0x08 },	/* AK4671_EQ_CONTRO_10KHZ		(0x52)	*/
    107	{ 0x53, 0x00 },	/* AK4671_PCM_IF_CONTROL0		(0x53)	*/
    108	{ 0x54, 0x00 },	/* AK4671_PCM_IF_CONTROL1		(0x54)	*/
    109	{ 0x55, 0x00 },	/* AK4671_PCM_IF_CONTROL2		(0x55)	*/
    110	{ 0x56, 0x18 },	/* AK4671_DIGITAL_VOLUME_B_CONTROL	(0x56)	*/
    111	{ 0x57, 0x18 },	/* AK4671_DIGITAL_VOLUME_C_CONTROL	(0x57)	*/
    112	{ 0x58, 0x00 },	/* AK4671_SIDETONE_VOLUME_CONTROL	(0x58)	*/
    113	{ 0x59, 0x00 },	/* AK4671_DIGITAL_MIXING_CONTROL2	(0x59)	*/
    114	{ 0x5a, 0x00 },	/* AK4671_SAR_ADC_CONTROL		(0x5a)	*/
    115};
    116
    117/*
    118 * LOUT1/ROUT1 output volume control:
    119 * from -24 to 6 dB in 6 dB steps (mute instead of -30 dB)
    120 */
    121static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1);
    122
    123/*
    124 * LOUT2/ROUT2 output volume control:
    125 * from -33 to 6 dB in 3 dB steps (mute instead of -33 dB)
    126 */
    127static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1);
    128
    129/*
    130 * LOUT3/ROUT3 output volume control:
    131 * from -6 to 3 dB in 3 dB steps
    132 */
    133static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0);
    134
    135/*
    136 * Mic amp gain control:
    137 * from -15 to 30 dB in 3 dB steps
    138 * REVISIT: The actual min value(0x01) is -12 dB and the reg value 0x00 is not
    139 * available
    140 */
    141static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0);
    142
    143static const struct snd_kcontrol_new ak4671_snd_controls[] = {
    144	/* Common playback gain controls */
    145	SOC_SINGLE_TLV("Line Output1 Playback Volume",
    146			AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv),
    147	SOC_SINGLE_TLV("Headphone Output2 Playback Volume",
    148			AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv),
    149	SOC_SINGLE_TLV("Line Output3 Playback Volume",
    150			AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv),
    151
    152	/* Common capture gain controls */
    153	SOC_DOUBLE_TLV("Mic Amp Capture Volume",
    154			AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv),
    155};
    156
    157/* event handlers */
    158static int ak4671_out2_event(struct snd_soc_dapm_widget *w,
    159		struct snd_kcontrol *kcontrol, int event)
    160{
    161	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
    162
    163	switch (event) {
    164	case SND_SOC_DAPM_POST_PMU:
    165		snd_soc_component_update_bits(component, AK4671_LOUT2_POWER_MANAGERMENT,
    166				    AK4671_MUTEN, AK4671_MUTEN);
    167		break;
    168	case SND_SOC_DAPM_PRE_PMD:
    169		snd_soc_component_update_bits(component, AK4671_LOUT2_POWER_MANAGERMENT,
    170				    AK4671_MUTEN, 0);
    171		break;
    172	}
    173
    174	return 0;
    175}
    176
    177/* Output Mixers */
    178static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = {
    179	SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0),
    180	SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0),
    181	SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0),
    182	SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0),
    183	SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0),
    184	SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0),
    185};
    186
    187static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = {
    188	SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0),
    189	SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0),
    190	SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0),
    191	SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0),
    192	SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0),
    193	SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0),
    194};
    195
    196static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = {
    197	SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0),
    198	SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0),
    199	SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0),
    200	SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0),
    201	SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0),
    202	SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0),
    203};
    204
    205static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = {
    206	SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0),
    207	SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0),
    208	SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0),
    209	SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0),
    210	SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0),
    211	SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0),
    212};
    213
    214static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = {
    215	SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0),
    216	SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0),
    217	SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0),
    218	SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0),
    219	SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0),
    220	SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0),
    221};
    222
    223static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = {
    224	SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0),
    225	SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0),
    226	SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0),
    227	SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0),
    228	SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0),
    229	SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0),
    230};
    231
    232/* Input MUXs */
    233static const char *ak4671_lin_mux_texts[] =
    234		{"LIN1", "LIN2", "LIN3", "LIN4"};
    235static SOC_ENUM_SINGLE_DECL(ak4671_lin_mux_enum,
    236			    AK4671_MIC_SIGNAL_SELECT, 0,
    237			    ak4671_lin_mux_texts);
    238static const struct snd_kcontrol_new ak4671_lin_mux_control =
    239	SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum);
    240
    241static const char *ak4671_rin_mux_texts[] =
    242		{"RIN1", "RIN2", "RIN3", "RIN4"};
    243static SOC_ENUM_SINGLE_DECL(ak4671_rin_mux_enum,
    244			    AK4671_MIC_SIGNAL_SELECT, 2,
    245			    ak4671_rin_mux_texts);
    246static const struct snd_kcontrol_new ak4671_rin_mux_control =
    247	SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum);
    248
    249static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = {
    250	/* Inputs */
    251	SND_SOC_DAPM_INPUT("LIN1"),
    252	SND_SOC_DAPM_INPUT("RIN1"),
    253	SND_SOC_DAPM_INPUT("LIN2"),
    254	SND_SOC_DAPM_INPUT("RIN2"),
    255	SND_SOC_DAPM_INPUT("LIN3"),
    256	SND_SOC_DAPM_INPUT("RIN3"),
    257	SND_SOC_DAPM_INPUT("LIN4"),
    258	SND_SOC_DAPM_INPUT("RIN4"),
    259
    260	/* Outputs */
    261	SND_SOC_DAPM_OUTPUT("LOUT1"),
    262	SND_SOC_DAPM_OUTPUT("ROUT1"),
    263	SND_SOC_DAPM_OUTPUT("LOUT2"),
    264	SND_SOC_DAPM_OUTPUT("ROUT2"),
    265	SND_SOC_DAPM_OUTPUT("LOUT3"),
    266	SND_SOC_DAPM_OUTPUT("ROUT3"),
    267
    268	/* DAC */
    269	SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback",
    270			AK4671_AD_DA_POWER_MANAGEMENT, 6, 0),
    271	SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback",
    272			AK4671_AD_DA_POWER_MANAGEMENT, 7, 0),
    273
    274	/* ADC */
    275	SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture",
    276			AK4671_AD_DA_POWER_MANAGEMENT, 4, 0),
    277	SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture",
    278			AK4671_AD_DA_POWER_MANAGEMENT, 5, 0),
    279
    280	/* PGA */
    281	SND_SOC_DAPM_PGA("LOUT2 Mix Amp",
    282			AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0),
    283	SND_SOC_DAPM_PGA("ROUT2 Mix Amp",
    284			AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0),
    285
    286	SND_SOC_DAPM_PGA("LIN1 Mixing Circuit",
    287			AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0),
    288	SND_SOC_DAPM_PGA("RIN1 Mixing Circuit",
    289			AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0),
    290	SND_SOC_DAPM_PGA("LIN2 Mixing Circuit",
    291			AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0),
    292	SND_SOC_DAPM_PGA("RIN2 Mixing Circuit",
    293			AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0),
    294	SND_SOC_DAPM_PGA("LIN3 Mixing Circuit",
    295			AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0),
    296	SND_SOC_DAPM_PGA("RIN3 Mixing Circuit",
    297			AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0),
    298	SND_SOC_DAPM_PGA("LIN4 Mixing Circuit",
    299			AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0),
    300	SND_SOC_DAPM_PGA("RIN4 Mixing Circuit",
    301			AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0),
    302
    303	/* Output Mixers */
    304	SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0,
    305			&ak4671_lout1_mixer_controls[0],
    306			ARRAY_SIZE(ak4671_lout1_mixer_controls)),
    307	SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0,
    308			&ak4671_rout1_mixer_controls[0],
    309			ARRAY_SIZE(ak4671_rout1_mixer_controls)),
    310	SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
    311			0, 0, &ak4671_lout2_mixer_controls[0],
    312			ARRAY_SIZE(ak4671_lout2_mixer_controls),
    313			ak4671_out2_event,
    314			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
    315	SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
    316			1, 0, &ak4671_rout2_mixer_controls[0],
    317			ARRAY_SIZE(ak4671_rout2_mixer_controls),
    318			ak4671_out2_event,
    319			SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
    320	SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0,
    321			&ak4671_lout3_mixer_controls[0],
    322			ARRAY_SIZE(ak4671_lout3_mixer_controls)),
    323	SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0,
    324			&ak4671_rout3_mixer_controls[0],
    325			ARRAY_SIZE(ak4671_rout3_mixer_controls)),
    326
    327	/* Input MUXs */
    328	SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0,
    329			&ak4671_lin_mux_control),
    330	SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0,
    331			&ak4671_rin_mux_control),
    332
    333	/* Mic Power */
    334	SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0),
    335
    336	/* Supply */
    337	SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0),
    338};
    339
    340static const struct snd_soc_dapm_route ak4671_intercon[] = {
    341	{"DAC Left", NULL, "PMPLL"},
    342	{"DAC Right", NULL, "PMPLL"},
    343	{"ADC Left", NULL, "PMPLL"},
    344	{"ADC Right", NULL, "PMPLL"},
    345
    346	/* Outputs */
    347	{"LOUT1", NULL, "LOUT1 Mixer"},
    348	{"ROUT1", NULL, "ROUT1 Mixer"},
    349	{"LOUT2", NULL, "LOUT2 Mix Amp"},
    350	{"ROUT2", NULL, "ROUT2 Mix Amp"},
    351	{"LOUT3", NULL, "LOUT3 Mixer"},
    352	{"ROUT3", NULL, "ROUT3 Mixer"},
    353
    354	{"LOUT1 Mixer", "DACL", "DAC Left"},
    355	{"ROUT1 Mixer", "DACR", "DAC Right"},
    356	{"LOUT2 Mixer", "DACHL", "DAC Left"},
    357	{"ROUT2 Mixer", "DACHR", "DAC Right"},
    358	{"LOUT2 Mix Amp", NULL, "LOUT2 Mixer"},
    359	{"ROUT2 Mix Amp", NULL, "ROUT2 Mixer"},
    360	{"LOUT3 Mixer", "DACSL", "DAC Left"},
    361	{"ROUT3 Mixer", "DACSR", "DAC Right"},
    362
    363	/* Inputs */
    364	{"LIN MUX", "LIN1", "LIN1"},
    365	{"LIN MUX", "LIN2", "LIN2"},
    366	{"LIN MUX", "LIN3", "LIN3"},
    367	{"LIN MUX", "LIN4", "LIN4"},
    368
    369	{"RIN MUX", "RIN1", "RIN1"},
    370	{"RIN MUX", "RIN2", "RIN2"},
    371	{"RIN MUX", "RIN3", "RIN3"},
    372	{"RIN MUX", "RIN4", "RIN4"},
    373
    374	{"LIN1", NULL, "Mic Bias"},
    375	{"RIN1", NULL, "Mic Bias"},
    376	{"LIN2", NULL, "Mic Bias"},
    377	{"RIN2", NULL, "Mic Bias"},
    378
    379	{"ADC Left", NULL, "LIN MUX"},
    380	{"ADC Right", NULL, "RIN MUX"},
    381
    382	/* Analog Loops */
    383	{"LIN1 Mixing Circuit", NULL, "LIN1"},
    384	{"RIN1 Mixing Circuit", NULL, "RIN1"},
    385	{"LIN2 Mixing Circuit", NULL, "LIN2"},
    386	{"RIN2 Mixing Circuit", NULL, "RIN2"},
    387	{"LIN3 Mixing Circuit", NULL, "LIN3"},
    388	{"RIN3 Mixing Circuit", NULL, "RIN3"},
    389	{"LIN4 Mixing Circuit", NULL, "LIN4"},
    390	{"RIN4 Mixing Circuit", NULL, "RIN4"},
    391
    392	{"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"},
    393	{"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"},
    394	{"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"},
    395	{"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"},
    396	{"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"},
    397	{"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"},
    398
    399	{"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"},
    400	{"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"},
    401	{"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"},
    402	{"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"},
    403	{"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"},
    404	{"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"},
    405
    406	{"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"},
    407	{"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"},
    408	{"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"},
    409	{"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"},
    410	{"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"},
    411	{"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"},
    412
    413	{"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"},
    414	{"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"},
    415	{"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"},
    416	{"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"},
    417	{"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"},
    418	{"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"},
    419};
    420
    421static int ak4671_hw_params(struct snd_pcm_substream *substream,
    422		struct snd_pcm_hw_params *params,
    423		struct snd_soc_dai *dai)
    424{
    425	struct snd_soc_component *component = dai->component;
    426	u8 fs;
    427
    428	fs = snd_soc_component_read(component, AK4671_PLL_MODE_SELECT0);
    429	fs &= ~AK4671_FS;
    430
    431	switch (params_rate(params)) {
    432	case 8000:
    433		fs |= AK4671_FS_8KHZ;
    434		break;
    435	case 12000:
    436		fs |= AK4671_FS_12KHZ;
    437		break;
    438	case 16000:
    439		fs |= AK4671_FS_16KHZ;
    440		break;
    441	case 24000:
    442		fs |= AK4671_FS_24KHZ;
    443		break;
    444	case 11025:
    445		fs |= AK4671_FS_11_025KHZ;
    446		break;
    447	case 22050:
    448		fs |= AK4671_FS_22_05KHZ;
    449		break;
    450	case 32000:
    451		fs |= AK4671_FS_32KHZ;
    452		break;
    453	case 44100:
    454		fs |= AK4671_FS_44_1KHZ;
    455		break;
    456	case 48000:
    457		fs |= AK4671_FS_48KHZ;
    458		break;
    459	default:
    460		return -EINVAL;
    461	}
    462
    463	snd_soc_component_write(component, AK4671_PLL_MODE_SELECT0, fs);
    464
    465	return 0;
    466}
    467
    468static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
    469		unsigned int freq, int dir)
    470{
    471	struct snd_soc_component *component = dai->component;
    472	u8 pll;
    473
    474	pll = snd_soc_component_read(component, AK4671_PLL_MODE_SELECT0);
    475	pll &= ~AK4671_PLL;
    476
    477	switch (freq) {
    478	case 11289600:
    479		pll |= AK4671_PLL_11_2896MHZ;
    480		break;
    481	case 12000000:
    482		pll |= AK4671_PLL_12MHZ;
    483		break;
    484	case 12288000:
    485		pll |= AK4671_PLL_12_288MHZ;
    486		break;
    487	case 13000000:
    488		pll |= AK4671_PLL_13MHZ;
    489		break;
    490	case 13500000:
    491		pll |= AK4671_PLL_13_5MHZ;
    492		break;
    493	case 19200000:
    494		pll |= AK4671_PLL_19_2MHZ;
    495		break;
    496	case 24000000:
    497		pll |= AK4671_PLL_24MHZ;
    498		break;
    499	case 26000000:
    500		pll |= AK4671_PLL_26MHZ;
    501		break;
    502	case 27000000:
    503		pll |= AK4671_PLL_27MHZ;
    504		break;
    505	default:
    506		return -EINVAL;
    507	}
    508
    509	snd_soc_component_write(component, AK4671_PLL_MODE_SELECT0, pll);
    510
    511	return 0;
    512}
    513
    514static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
    515{
    516	struct snd_soc_component *component = dai->component;
    517	u8 mode;
    518	u8 format;
    519
    520	/* set master/slave audio interface */
    521	mode = snd_soc_component_read(component, AK4671_PLL_MODE_SELECT1);
    522
    523	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
    524	case SND_SOC_DAIFMT_CBP_CFP:
    525		mode |= AK4671_M_S;
    526		break;
    527	case SND_SOC_DAIFMT_CBP_CFC:
    528		mode &= ~(AK4671_M_S);
    529		break;
    530	default:
    531		return -EINVAL;
    532	}
    533
    534	/* interface format */
    535	format = snd_soc_component_read(component, AK4671_FORMAT_SELECT);
    536	format &= ~AK4671_DIF;
    537
    538	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
    539	case SND_SOC_DAIFMT_I2S:
    540		format |= AK4671_DIF_I2S_MODE;
    541		break;
    542	case SND_SOC_DAIFMT_LEFT_J:
    543		format |= AK4671_DIF_MSB_MODE;
    544		break;
    545	case SND_SOC_DAIFMT_DSP_A:
    546		format |= AK4671_DIF_DSP_MODE;
    547		format |= AK4671_BCKP;
    548		format |= AK4671_MSBS;
    549		break;
    550	default:
    551		return -EINVAL;
    552	}
    553
    554	/* set mode and format */
    555	snd_soc_component_write(component, AK4671_PLL_MODE_SELECT1, mode);
    556	snd_soc_component_write(component, AK4671_FORMAT_SELECT, format);
    557
    558	return 0;
    559}
    560
    561static int ak4671_set_bias_level(struct snd_soc_component *component,
    562		enum snd_soc_bias_level level)
    563{
    564	switch (level) {
    565	case SND_SOC_BIAS_ON:
    566	case SND_SOC_BIAS_PREPARE:
    567	case SND_SOC_BIAS_STANDBY:
    568		snd_soc_component_update_bits(component, AK4671_AD_DA_POWER_MANAGEMENT,
    569				    AK4671_PMVCM, AK4671_PMVCM);
    570		break;
    571	case SND_SOC_BIAS_OFF:
    572		snd_soc_component_write(component, AK4671_AD_DA_POWER_MANAGEMENT, 0x00);
    573		break;
    574	}
    575	return 0;
    576}
    577
    578#define AK4671_RATES		(SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
    579				SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
    580				SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
    581				SNDRV_PCM_RATE_48000)
    582
    583#define AK4671_FORMATS		SNDRV_PCM_FMTBIT_S16_LE
    584
    585static const struct snd_soc_dai_ops ak4671_dai_ops = {
    586	.hw_params	= ak4671_hw_params,
    587	.set_sysclk	= ak4671_set_dai_sysclk,
    588	.set_fmt	= ak4671_set_dai_fmt,
    589};
    590
    591static struct snd_soc_dai_driver ak4671_dai = {
    592	.name = "ak4671-hifi",
    593	.playback = {
    594		.stream_name = "Playback",
    595		.channels_min = 1,
    596		.channels_max = 2,
    597		.rates = AK4671_RATES,
    598		.formats = AK4671_FORMATS,},
    599	.capture = {
    600		.stream_name = "Capture",
    601		.channels_min = 1,
    602		.channels_max = 2,
    603		.rates = AK4671_RATES,
    604		.formats = AK4671_FORMATS,},
    605	.ops = &ak4671_dai_ops,
    606};
    607
    608static const struct snd_soc_component_driver soc_component_dev_ak4671 = {
    609	.set_bias_level		= ak4671_set_bias_level,
    610	.controls		= ak4671_snd_controls,
    611	.num_controls		= ARRAY_SIZE(ak4671_snd_controls),
    612	.dapm_widgets		= ak4671_dapm_widgets,
    613	.num_dapm_widgets	= ARRAY_SIZE(ak4671_dapm_widgets),
    614	.dapm_routes		= ak4671_intercon,
    615	.num_dapm_routes	= ARRAY_SIZE(ak4671_intercon),
    616	.idle_bias_on		= 1,
    617	.use_pmdown_time	= 1,
    618	.endianness		= 1,
    619	.non_legacy_dai_naming	= 1,
    620};
    621
    622static const struct regmap_config ak4671_regmap = {
    623	.reg_bits = 8,
    624	.val_bits = 8,
    625
    626	.max_register = AK4671_SAR_ADC_CONTROL,
    627	.reg_defaults = ak4671_reg_defaults,
    628	.num_reg_defaults = ARRAY_SIZE(ak4671_reg_defaults),
    629	.cache_type = REGCACHE_RBTREE,
    630};
    631
    632static int ak4671_i2c_probe(struct i2c_client *client)
    633{
    634	struct regmap *regmap;
    635	int ret;
    636
    637	regmap = devm_regmap_init_i2c(client, &ak4671_regmap);
    638	if (IS_ERR(regmap)) {
    639		ret = PTR_ERR(regmap);
    640		dev_err(&client->dev, "Failed to create regmap: %d\n", ret);
    641		return ret;
    642	}
    643
    644	ret = devm_snd_soc_register_component(&client->dev,
    645			&soc_component_dev_ak4671, &ak4671_dai, 1);
    646	return ret;
    647}
    648
    649static const struct i2c_device_id ak4671_i2c_id[] = {
    650	{ "ak4671", 0 },
    651	{ }
    652};
    653MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id);
    654
    655static struct i2c_driver ak4671_i2c_driver = {
    656	.driver = {
    657		.name = "ak4671-codec",
    658	},
    659	.probe_new = ak4671_i2c_probe,
    660	.id_table = ak4671_i2c_id,
    661};
    662
    663module_i2c_driver(ak4671_i2c_driver);
    664
    665MODULE_DESCRIPTION("ASoC AK4671 codec driver");
    666MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
    667MODULE_LICENSE("GPL");