|  | /* | 
|  | * ak4671.c  --  audio driver for AK4671 | 
|  | * | 
|  | * Copyright (C) 2009 Samsung Electronics Co.Ltd | 
|  | * Author: Joonyoung Shim <jy0922.shim@samsung.com> | 
|  | * | 
|  | *  This program is free software; you can redistribute  it and/or modify it | 
|  | *  under  the terms of  the GNU General  Public License as published by the | 
|  | *  Free Software Foundation;  either version 2 of the  License, or (at your | 
|  | *  option) any later version. | 
|  | * | 
|  | */ | 
|  |  | 
|  | #include <linux/module.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/i2c.h> | 
|  | #include <linux/delay.h> | 
|  | #include <linux/regmap.h> | 
|  | #include <linux/slab.h> | 
|  | #include <sound/soc.h> | 
|  | #include <sound/initval.h> | 
|  | #include <sound/tlv.h> | 
|  |  | 
|  | #include "ak4671.h" | 
|  |  | 
|  |  | 
|  | /* ak4671 register cache & default register settings */ | 
|  | static const struct reg_default ak4671_reg_defaults[] = { | 
|  | { 0x00, 0x00 },	/* AK4671_AD_DA_POWER_MANAGEMENT	(0x00)	*/ | 
|  | { 0x01, 0xf6 },	/* AK4671_PLL_MODE_SELECT0		(0x01)	*/ | 
|  | { 0x02, 0x00 },	/* AK4671_PLL_MODE_SELECT1		(0x02)	*/ | 
|  | { 0x03, 0x02 },	/* AK4671_FORMAT_SELECT			(0x03)	*/ | 
|  | { 0x04, 0x00 },	/* AK4671_MIC_SIGNAL_SELECT		(0x04)	*/ | 
|  | { 0x05, 0x55 },	/* AK4671_MIC_AMP_GAIN			(0x05)	*/ | 
|  | { 0x06, 0x00 },	/* AK4671_MIXING_POWER_MANAGEMENT0	(0x06)	*/ | 
|  | { 0x07, 0x00 },	/* AK4671_MIXING_POWER_MANAGEMENT1	(0x07)	*/ | 
|  | { 0x08, 0xb5 },	/* AK4671_OUTPUT_VOLUME_CONTROL		(0x08)	*/ | 
|  | { 0x09, 0x00 },	/* AK4671_LOUT1_SIGNAL_SELECT		(0x09)	*/ | 
|  | { 0x0a, 0x00 },	/* AK4671_ROUT1_SIGNAL_SELECT		(0x0a)	*/ | 
|  | { 0x0b, 0x00 },	/* AK4671_LOUT2_SIGNAL_SELECT		(0x0b)	*/ | 
|  | { 0x0c, 0x00 },	/* AK4671_ROUT2_SIGNAL_SELECT		(0x0c)	*/ | 
|  | { 0x0d, 0x00 },	/* AK4671_LOUT3_SIGNAL_SELECT		(0x0d)	*/ | 
|  | { 0x0e, 0x00 },	/* AK4671_ROUT3_SIGNAL_SELECT		(0x0e)	*/ | 
|  | { 0x0f, 0x00 },	/* AK4671_LOUT1_POWER_MANAGERMENT	(0x0f)	*/ | 
|  | { 0x10, 0x00 },	/* AK4671_LOUT2_POWER_MANAGERMENT	(0x10)	*/ | 
|  | { 0x11, 0x80 },	/* AK4671_LOUT3_POWER_MANAGERMENT	(0x11)	*/ | 
|  | { 0x12, 0x91 },	/* AK4671_LCH_INPUT_VOLUME_CONTROL	(0x12)	*/ | 
|  | { 0x13, 0x91 },	/* AK4671_RCH_INPUT_VOLUME_CONTROL	(0x13)	*/ | 
|  | { 0x14, 0xe1 },	/* AK4671_ALC_REFERENCE_SELECT		(0x14)	*/ | 
|  | { 0x15, 0x00 },	/* AK4671_DIGITAL_MIXING_CONTROL	(0x15)	*/ | 
|  | { 0x16, 0x00 },	/* AK4671_ALC_TIMER_SELECT		(0x16)	*/ | 
|  | { 0x17, 0x00 },	/* AK4671_ALC_MODE_CONTROL		(0x17)	*/ | 
|  | { 0x18, 0x02 },	/* AK4671_MODE_CONTROL1			(0x18)	*/ | 
|  | { 0x19, 0x01 },	/* AK4671_MODE_CONTROL2			(0x19)	*/ | 
|  | { 0x1a, 0x18 },	/* AK4671_LCH_OUTPUT_VOLUME_CONTROL	(0x1a)	*/ | 
|  | { 0x1b, 0x18 },	/* AK4671_RCH_OUTPUT_VOLUME_CONTROL	(0x1b)	*/ | 
|  | { 0x1c, 0x00 },	/* AK4671_SIDETONE_A_CONTROL		(0x1c)	*/ | 
|  | { 0x1d, 0x02 },	/* AK4671_DIGITAL_FILTER_SELECT		(0x1d)	*/ | 
|  | { 0x1e, 0x00 },	/* AK4671_FIL3_COEFFICIENT0		(0x1e)	*/ | 
|  | { 0x1f, 0x00 },	/* AK4671_FIL3_COEFFICIENT1		(0x1f)	*/ | 
|  | { 0x20, 0x00 },	/* AK4671_FIL3_COEFFICIENT2		(0x20)	*/ | 
|  | { 0x21, 0x00 },	/* AK4671_FIL3_COEFFICIENT3		(0x21)	*/ | 
|  | { 0x22, 0x00 },	/* AK4671_EQ_COEFFICIENT0		(0x22)	*/ | 
|  | { 0x23, 0x00 },	/* AK4671_EQ_COEFFICIENT1		(0x23)	*/ | 
|  | { 0x24, 0x00 },	/* AK4671_EQ_COEFFICIENT2		(0x24)	*/ | 
|  | { 0x25, 0x00 },	/* AK4671_EQ_COEFFICIENT3		(0x25)	*/ | 
|  | { 0x26, 0x00 },	/* AK4671_EQ_COEFFICIENT4		(0x26)	*/ | 
|  | { 0x27, 0x00 },	/* AK4671_EQ_COEFFICIENT5		(0x27)	*/ | 
|  | { 0x28, 0xa9 },	/* AK4671_FIL1_COEFFICIENT0		(0x28)	*/ | 
|  | { 0x29, 0x1f },	/* AK4671_FIL1_COEFFICIENT1		(0x29)	*/ | 
|  | { 0x2a, 0xad },	/* AK4671_FIL1_COEFFICIENT2		(0x2a)	*/ | 
|  | { 0x2b, 0x20 },	/* AK4671_FIL1_COEFFICIENT3		(0x2b)	*/ | 
|  | { 0x2c, 0x00 },	/* AK4671_FIL2_COEFFICIENT0		(0x2c)	*/ | 
|  | { 0x2d, 0x00 },	/* AK4671_FIL2_COEFFICIENT1		(0x2d)	*/ | 
|  | { 0x2e, 0x00 },	/* AK4671_FIL2_COEFFICIENT2		(0x2e)	*/ | 
|  | { 0x2f, 0x00 },	/* AK4671_FIL2_COEFFICIENT3		(0x2f)	*/ | 
|  | { 0x30, 0x00 },	/* AK4671_DIGITAL_FILTER_SELECT2	(0x30)	*/ | 
|  |  | 
|  | { 0x32, 0x00 },	/* AK4671_E1_COEFFICIENT0		(0x32)	*/ | 
|  | { 0x33, 0x00 },	/* AK4671_E1_COEFFICIENT1		(0x33)	*/ | 
|  | { 0x34, 0x00 },	/* AK4671_E1_COEFFICIENT2		(0x34)	*/ | 
|  | { 0x35, 0x00 },	/* AK4671_E1_COEFFICIENT3		(0x35)	*/ | 
|  | { 0x36, 0x00 },	/* AK4671_E1_COEFFICIENT4		(0x36)	*/ | 
|  | { 0x37, 0x00 },	/* AK4671_E1_COEFFICIENT5		(0x37)	*/ | 
|  | { 0x38, 0x00 },	/* AK4671_E2_COEFFICIENT0		(0x38)	*/ | 
|  | { 0x39, 0x00 },	/* AK4671_E2_COEFFICIENT1		(0x39)	*/ | 
|  | { 0x3a, 0x00 },	/* AK4671_E2_COEFFICIENT2		(0x3a)	*/ | 
|  | { 0x3b, 0x00 },	/* AK4671_E2_COEFFICIENT3		(0x3b)	*/ | 
|  | { 0x3c, 0x00 },	/* AK4671_E2_COEFFICIENT4		(0x3c)	*/ | 
|  | { 0x3d, 0x00 },	/* AK4671_E2_COEFFICIENT5		(0x3d)	*/ | 
|  | { 0x3e, 0x00 },	/* AK4671_E3_COEFFICIENT0		(0x3e)	*/ | 
|  | { 0x3f, 0x00 },	/* AK4671_E3_COEFFICIENT1		(0x3f)	*/ | 
|  | { 0x40, 0x00 },	/* AK4671_E3_COEFFICIENT2		(0x40)	*/ | 
|  | { 0x41, 0x00 },	/* AK4671_E3_COEFFICIENT3		(0x41)	*/ | 
|  | { 0x42, 0x00 },	/* AK4671_E3_COEFFICIENT4		(0x42)	*/ | 
|  | { 0x43, 0x00 },	/* AK4671_E3_COEFFICIENT5		(0x43)	*/ | 
|  | { 0x44, 0x00 },	/* AK4671_E4_COEFFICIENT0		(0x44)	*/ | 
|  | { 0x45, 0x00 },	/* AK4671_E4_COEFFICIENT1		(0x45)	*/ | 
|  | { 0x46, 0x00 },	/* AK4671_E4_COEFFICIENT2		(0x46)	*/ | 
|  | { 0x47, 0x00 },	/* AK4671_E4_COEFFICIENT3		(0x47)	*/ | 
|  | { 0x48, 0x00 },	/* AK4671_E4_COEFFICIENT4		(0x48)	*/ | 
|  | { 0x49, 0x00 },	/* AK4671_E4_COEFFICIENT5		(0x49)	*/ | 
|  | { 0x4a, 0x00 },	/* AK4671_E5_COEFFICIENT0		(0x4a)	*/ | 
|  | { 0x4b, 0x00 },	/* AK4671_E5_COEFFICIENT1		(0x4b)	*/ | 
|  | { 0x4c, 0x00 },	/* AK4671_E5_COEFFICIENT2		(0x4c)	*/ | 
|  | { 0x4d, 0x00 },	/* AK4671_E5_COEFFICIENT3		(0x4d)	*/ | 
|  | { 0x4e, 0x00 },	/* AK4671_E5_COEFFICIENT4		(0x4e)	*/ | 
|  | { 0x4f, 0x00 },	/* AK4671_E5_COEFFICIENT5		(0x4f)	*/ | 
|  | { 0x50, 0x88 },	/* AK4671_EQ_CONTROL_250HZ_100HZ	(0x50)	*/ | 
|  | { 0x51, 0x88 },	/* AK4671_EQ_CONTROL_3500HZ_1KHZ	(0x51)	*/ | 
|  | { 0x52, 0x08 },	/* AK4671_EQ_CONTRO_10KHZ		(0x52)	*/ | 
|  | { 0x53, 0x00 },	/* AK4671_PCM_IF_CONTROL0		(0x53)	*/ | 
|  | { 0x54, 0x00 },	/* AK4671_PCM_IF_CONTROL1		(0x54)	*/ | 
|  | { 0x55, 0x00 },	/* AK4671_PCM_IF_CONTROL2		(0x55)	*/ | 
|  | { 0x56, 0x18 },	/* AK4671_DIGITAL_VOLUME_B_CONTROL	(0x56)	*/ | 
|  | { 0x57, 0x18 },	/* AK4671_DIGITAL_VOLUME_C_CONTROL	(0x57)	*/ | 
|  | { 0x58, 0x00 },	/* AK4671_SIDETONE_VOLUME_CONTROL	(0x58)	*/ | 
|  | { 0x59, 0x00 },	/* AK4671_DIGITAL_MIXING_CONTROL2	(0x59)	*/ | 
|  | { 0x5a, 0x00 },	/* AK4671_SAR_ADC_CONTROL		(0x5a)	*/ | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * LOUT1/ROUT1 output volume control: | 
|  | * from -24 to 6 dB in 6 dB steps (mute instead of -30 dB) | 
|  | */ | 
|  | static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1); | 
|  |  | 
|  | /* | 
|  | * LOUT2/ROUT2 output volume control: | 
|  | * from -33 to 6 dB in 3 dB steps (mute instead of -33 dB) | 
|  | */ | 
|  | static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1); | 
|  |  | 
|  | /* | 
|  | * LOUT3/ROUT3 output volume control: | 
|  | * from -6 to 3 dB in 3 dB steps | 
|  | */ | 
|  | static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0); | 
|  |  | 
|  | /* | 
|  | * Mic amp gain control: | 
|  | * from -15 to 30 dB in 3 dB steps | 
|  | * REVISIT: The actual min value(0x01) is -12 dB and the reg value 0x00 is not | 
|  | * available | 
|  | */ | 
|  | static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0); | 
|  |  | 
|  | static const struct snd_kcontrol_new ak4671_snd_controls[] = { | 
|  | /* Common playback gain controls */ | 
|  | SOC_SINGLE_TLV("Line Output1 Playback Volume", | 
|  | AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv), | 
|  | SOC_SINGLE_TLV("Headphone Output2 Playback Volume", | 
|  | AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv), | 
|  | SOC_SINGLE_TLV("Line Output3 Playback Volume", | 
|  | AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv), | 
|  |  | 
|  | /* Common capture gain controls */ | 
|  | SOC_DOUBLE_TLV("Mic Amp Capture Volume", | 
|  | AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv), | 
|  | }; | 
|  |  | 
|  | /* event handlers */ | 
|  | static int ak4671_out2_event(struct snd_soc_dapm_widget *w, | 
|  | struct snd_kcontrol *kcontrol, int event) | 
|  | { | 
|  | struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); | 
|  |  | 
|  | switch (event) { | 
|  | case SND_SOC_DAPM_POST_PMU: | 
|  | snd_soc_component_update_bits(component, AK4671_LOUT2_POWER_MANAGERMENT, | 
|  | AK4671_MUTEN, AK4671_MUTEN); | 
|  | break; | 
|  | case SND_SOC_DAPM_PRE_PMD: | 
|  | snd_soc_component_update_bits(component, AK4671_LOUT2_POWER_MANAGERMENT, | 
|  | AK4671_MUTEN, 0); | 
|  | break; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* Output Mixers */ | 
|  | static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = { | 
|  | SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0), | 
|  | SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0), | 
|  | SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0), | 
|  | SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0), | 
|  | SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0), | 
|  | SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0), | 
|  | }; | 
|  |  | 
|  | static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = { | 
|  | SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0), | 
|  | SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0), | 
|  | SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0), | 
|  | SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0), | 
|  | SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0), | 
|  | SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0), | 
|  | }; | 
|  |  | 
|  | static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = { | 
|  | SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0), | 
|  | SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0), | 
|  | SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0), | 
|  | SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0), | 
|  | SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0), | 
|  | SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0), | 
|  | }; | 
|  |  | 
|  | static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = { | 
|  | SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0), | 
|  | SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0), | 
|  | SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0), | 
|  | SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0), | 
|  | SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0), | 
|  | SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0), | 
|  | }; | 
|  |  | 
|  | static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = { | 
|  | SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0), | 
|  | SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0), | 
|  | SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0), | 
|  | SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0), | 
|  | SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0), | 
|  | SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0), | 
|  | }; | 
|  |  | 
|  | static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = { | 
|  | SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0), | 
|  | SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0), | 
|  | SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0), | 
|  | SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0), | 
|  | SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0), | 
|  | SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0), | 
|  | }; | 
|  |  | 
|  | /* Input MUXs */ | 
|  | static const char *ak4671_lin_mux_texts[] = | 
|  | {"LIN1", "LIN2", "LIN3", "LIN4"}; | 
|  | static SOC_ENUM_SINGLE_DECL(ak4671_lin_mux_enum, | 
|  | AK4671_MIC_SIGNAL_SELECT, 0, | 
|  | ak4671_lin_mux_texts); | 
|  | static const struct snd_kcontrol_new ak4671_lin_mux_control = | 
|  | SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum); | 
|  |  | 
|  | static const char *ak4671_rin_mux_texts[] = | 
|  | {"RIN1", "RIN2", "RIN3", "RIN4"}; | 
|  | static SOC_ENUM_SINGLE_DECL(ak4671_rin_mux_enum, | 
|  | AK4671_MIC_SIGNAL_SELECT, 2, | 
|  | ak4671_rin_mux_texts); | 
|  | static const struct snd_kcontrol_new ak4671_rin_mux_control = | 
|  | SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum); | 
|  |  | 
|  | static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = { | 
|  | /* Inputs */ | 
|  | SND_SOC_DAPM_INPUT("LIN1"), | 
|  | SND_SOC_DAPM_INPUT("RIN1"), | 
|  | SND_SOC_DAPM_INPUT("LIN2"), | 
|  | SND_SOC_DAPM_INPUT("RIN2"), | 
|  | SND_SOC_DAPM_INPUT("LIN3"), | 
|  | SND_SOC_DAPM_INPUT("RIN3"), | 
|  | SND_SOC_DAPM_INPUT("LIN4"), | 
|  | SND_SOC_DAPM_INPUT("RIN4"), | 
|  |  | 
|  | /* Outputs */ | 
|  | SND_SOC_DAPM_OUTPUT("LOUT1"), | 
|  | SND_SOC_DAPM_OUTPUT("ROUT1"), | 
|  | SND_SOC_DAPM_OUTPUT("LOUT2"), | 
|  | SND_SOC_DAPM_OUTPUT("ROUT2"), | 
|  | SND_SOC_DAPM_OUTPUT("LOUT3"), | 
|  | SND_SOC_DAPM_OUTPUT("ROUT3"), | 
|  |  | 
|  | /* DAC */ | 
|  | SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback", | 
|  | AK4671_AD_DA_POWER_MANAGEMENT, 6, 0), | 
|  | SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback", | 
|  | AK4671_AD_DA_POWER_MANAGEMENT, 7, 0), | 
|  |  | 
|  | /* ADC */ | 
|  | SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture", | 
|  | AK4671_AD_DA_POWER_MANAGEMENT, 4, 0), | 
|  | SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture", | 
|  | AK4671_AD_DA_POWER_MANAGEMENT, 5, 0), | 
|  |  | 
|  | /* PGA */ | 
|  | SND_SOC_DAPM_PGA("LOUT2 Mix Amp", | 
|  | AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0), | 
|  | SND_SOC_DAPM_PGA("ROUT2 Mix Amp", | 
|  | AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0), | 
|  |  | 
|  | SND_SOC_DAPM_PGA("LIN1 Mixing Circuit", | 
|  | AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0), | 
|  | SND_SOC_DAPM_PGA("RIN1 Mixing Circuit", | 
|  | AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0), | 
|  | SND_SOC_DAPM_PGA("LIN2 Mixing Circuit", | 
|  | AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0), | 
|  | SND_SOC_DAPM_PGA("RIN2 Mixing Circuit", | 
|  | AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0), | 
|  | SND_SOC_DAPM_PGA("LIN3 Mixing Circuit", | 
|  | AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0), | 
|  | SND_SOC_DAPM_PGA("RIN3 Mixing Circuit", | 
|  | AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0), | 
|  | SND_SOC_DAPM_PGA("LIN4 Mixing Circuit", | 
|  | AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0), | 
|  | SND_SOC_DAPM_PGA("RIN4 Mixing Circuit", | 
|  | AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0), | 
|  |  | 
|  | /* Output Mixers */ | 
|  | SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0, | 
|  | &ak4671_lout1_mixer_controls[0], | 
|  | ARRAY_SIZE(ak4671_lout1_mixer_controls)), | 
|  | SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0, | 
|  | &ak4671_rout1_mixer_controls[0], | 
|  | ARRAY_SIZE(ak4671_rout1_mixer_controls)), | 
|  | SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT, | 
|  | 0, 0, &ak4671_lout2_mixer_controls[0], | 
|  | ARRAY_SIZE(ak4671_lout2_mixer_controls), | 
|  | ak4671_out2_event, | 
|  | SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD), | 
|  | SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT, | 
|  | 1, 0, &ak4671_rout2_mixer_controls[0], | 
|  | ARRAY_SIZE(ak4671_rout2_mixer_controls), | 
|  | ak4671_out2_event, | 
|  | SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD), | 
|  | SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0, | 
|  | &ak4671_lout3_mixer_controls[0], | 
|  | ARRAY_SIZE(ak4671_lout3_mixer_controls)), | 
|  | SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0, | 
|  | &ak4671_rout3_mixer_controls[0], | 
|  | ARRAY_SIZE(ak4671_rout3_mixer_controls)), | 
|  |  | 
|  | /* Input MUXs */ | 
|  | SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0, | 
|  | &ak4671_lin_mux_control), | 
|  | SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0, | 
|  | &ak4671_rin_mux_control), | 
|  |  | 
|  | /* Mic Power */ | 
|  | SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0), | 
|  |  | 
|  | /* Supply */ | 
|  | SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0), | 
|  | }; | 
|  |  | 
|  | static const struct snd_soc_dapm_route ak4671_intercon[] = { | 
|  | {"DAC Left", NULL, "PMPLL"}, | 
|  | {"DAC Right", NULL, "PMPLL"}, | 
|  | {"ADC Left", NULL, "PMPLL"}, | 
|  | {"ADC Right", NULL, "PMPLL"}, | 
|  |  | 
|  | /* Outputs */ | 
|  | {"LOUT1", NULL, "LOUT1 Mixer"}, | 
|  | {"ROUT1", NULL, "ROUT1 Mixer"}, | 
|  | {"LOUT2", NULL, "LOUT2 Mix Amp"}, | 
|  | {"ROUT2", NULL, "ROUT2 Mix Amp"}, | 
|  | {"LOUT3", NULL, "LOUT3 Mixer"}, | 
|  | {"ROUT3", NULL, "ROUT3 Mixer"}, | 
|  |  | 
|  | {"LOUT1 Mixer", "DACL", "DAC Left"}, | 
|  | {"ROUT1 Mixer", "DACR", "DAC Right"}, | 
|  | {"LOUT2 Mixer", "DACHL", "DAC Left"}, | 
|  | {"ROUT2 Mixer", "DACHR", "DAC Right"}, | 
|  | {"LOUT2 Mix Amp", NULL, "LOUT2 Mixer"}, | 
|  | {"ROUT2 Mix Amp", NULL, "ROUT2 Mixer"}, | 
|  | {"LOUT3 Mixer", "DACSL", "DAC Left"}, | 
|  | {"ROUT3 Mixer", "DACSR", "DAC Right"}, | 
|  |  | 
|  | /* Inputs */ | 
|  | {"LIN MUX", "LIN1", "LIN1"}, | 
|  | {"LIN MUX", "LIN2", "LIN2"}, | 
|  | {"LIN MUX", "LIN3", "LIN3"}, | 
|  | {"LIN MUX", "LIN4", "LIN4"}, | 
|  |  | 
|  | {"RIN MUX", "RIN1", "RIN1"}, | 
|  | {"RIN MUX", "RIN2", "RIN2"}, | 
|  | {"RIN MUX", "RIN3", "RIN3"}, | 
|  | {"RIN MUX", "RIN4", "RIN4"}, | 
|  |  | 
|  | {"LIN1", NULL, "Mic Bias"}, | 
|  | {"RIN1", NULL, "Mic Bias"}, | 
|  | {"LIN2", NULL, "Mic Bias"}, | 
|  | {"RIN2", NULL, "Mic Bias"}, | 
|  |  | 
|  | {"ADC Left", NULL, "LIN MUX"}, | 
|  | {"ADC Right", NULL, "RIN MUX"}, | 
|  |  | 
|  | /* Analog Loops */ | 
|  | {"LIN1 Mixing Circuit", NULL, "LIN1"}, | 
|  | {"RIN1 Mixing Circuit", NULL, "RIN1"}, | 
|  | {"LIN2 Mixing Circuit", NULL, "LIN2"}, | 
|  | {"RIN2 Mixing Circuit", NULL, "RIN2"}, | 
|  | {"LIN3 Mixing Circuit", NULL, "LIN3"}, | 
|  | {"RIN3 Mixing Circuit", NULL, "RIN3"}, | 
|  | {"LIN4 Mixing Circuit", NULL, "LIN4"}, | 
|  | {"RIN4 Mixing Circuit", NULL, "RIN4"}, | 
|  |  | 
|  | {"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"}, | 
|  | {"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"}, | 
|  | {"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"}, | 
|  | {"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"}, | 
|  | {"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"}, | 
|  | {"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"}, | 
|  |  | 
|  | {"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"}, | 
|  | {"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"}, | 
|  | {"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"}, | 
|  | {"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"}, | 
|  | {"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"}, | 
|  | {"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"}, | 
|  |  | 
|  | {"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"}, | 
|  | {"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"}, | 
|  | {"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"}, | 
|  | {"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"}, | 
|  | {"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"}, | 
|  | {"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"}, | 
|  |  | 
|  | {"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"}, | 
|  | {"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"}, | 
|  | {"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"}, | 
|  | {"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"}, | 
|  | {"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"}, | 
|  | {"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"}, | 
|  | }; | 
|  |  | 
|  | static int ak4671_hw_params(struct snd_pcm_substream *substream, | 
|  | struct snd_pcm_hw_params *params, | 
|  | struct snd_soc_dai *dai) | 
|  | { | 
|  | struct snd_soc_component *component = dai->component; | 
|  | u8 fs; | 
|  |  | 
|  | fs = snd_soc_component_read32(component, AK4671_PLL_MODE_SELECT0); | 
|  | fs &= ~AK4671_FS; | 
|  |  | 
|  | switch (params_rate(params)) { | 
|  | case 8000: | 
|  | fs |= AK4671_FS_8KHZ; | 
|  | break; | 
|  | case 12000: | 
|  | fs |= AK4671_FS_12KHZ; | 
|  | break; | 
|  | case 16000: | 
|  | fs |= AK4671_FS_16KHZ; | 
|  | break; | 
|  | case 24000: | 
|  | fs |= AK4671_FS_24KHZ; | 
|  | break; | 
|  | case 11025: | 
|  | fs |= AK4671_FS_11_025KHZ; | 
|  | break; | 
|  | case 22050: | 
|  | fs |= AK4671_FS_22_05KHZ; | 
|  | break; | 
|  | case 32000: | 
|  | fs |= AK4671_FS_32KHZ; | 
|  | break; | 
|  | case 44100: | 
|  | fs |= AK4671_FS_44_1KHZ; | 
|  | break; | 
|  | case 48000: | 
|  | fs |= AK4671_FS_48KHZ; | 
|  | break; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | snd_soc_component_write(component, AK4671_PLL_MODE_SELECT0, fs); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, | 
|  | unsigned int freq, int dir) | 
|  | { | 
|  | struct snd_soc_component *component = dai->component; | 
|  | u8 pll; | 
|  |  | 
|  | pll = snd_soc_component_read32(component, AK4671_PLL_MODE_SELECT0); | 
|  | pll &= ~AK4671_PLL; | 
|  |  | 
|  | switch (freq) { | 
|  | case 11289600: | 
|  | pll |= AK4671_PLL_11_2896MHZ; | 
|  | break; | 
|  | case 12000000: | 
|  | pll |= AK4671_PLL_12MHZ; | 
|  | break; | 
|  | case 12288000: | 
|  | pll |= AK4671_PLL_12_288MHZ; | 
|  | break; | 
|  | case 13000000: | 
|  | pll |= AK4671_PLL_13MHZ; | 
|  | break; | 
|  | case 13500000: | 
|  | pll |= AK4671_PLL_13_5MHZ; | 
|  | break; | 
|  | case 19200000: | 
|  | pll |= AK4671_PLL_19_2MHZ; | 
|  | break; | 
|  | case 24000000: | 
|  | pll |= AK4671_PLL_24MHZ; | 
|  | break; | 
|  | case 26000000: | 
|  | pll |= AK4671_PLL_26MHZ; | 
|  | break; | 
|  | case 27000000: | 
|  | pll |= AK4671_PLL_27MHZ; | 
|  | break; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | snd_soc_component_write(component, AK4671_PLL_MODE_SELECT0, pll); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) | 
|  | { | 
|  | struct snd_soc_component *component = dai->component; | 
|  | u8 mode; | 
|  | u8 format; | 
|  |  | 
|  | /* set master/slave audio interface */ | 
|  | mode = snd_soc_component_read32(component, AK4671_PLL_MODE_SELECT1); | 
|  |  | 
|  | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | 
|  | case SND_SOC_DAIFMT_CBM_CFM: | 
|  | mode |= AK4671_M_S; | 
|  | break; | 
|  | case SND_SOC_DAIFMT_CBM_CFS: | 
|  | mode &= ~(AK4671_M_S); | 
|  | break; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | /* interface format */ | 
|  | format = snd_soc_component_read32(component, AK4671_FORMAT_SELECT); | 
|  | format &= ~AK4671_DIF; | 
|  |  | 
|  | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | 
|  | case SND_SOC_DAIFMT_I2S: | 
|  | format |= AK4671_DIF_I2S_MODE; | 
|  | break; | 
|  | case SND_SOC_DAIFMT_LEFT_J: | 
|  | format |= AK4671_DIF_MSB_MODE; | 
|  | break; | 
|  | case SND_SOC_DAIFMT_DSP_A: | 
|  | format |= AK4671_DIF_DSP_MODE; | 
|  | format |= AK4671_BCKP; | 
|  | format |= AK4671_MSBS; | 
|  | break; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | /* set mode and format */ | 
|  | snd_soc_component_write(component, AK4671_PLL_MODE_SELECT1, mode); | 
|  | snd_soc_component_write(component, AK4671_FORMAT_SELECT, format); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int ak4671_set_bias_level(struct snd_soc_component *component, | 
|  | enum snd_soc_bias_level level) | 
|  | { | 
|  | switch (level) { | 
|  | case SND_SOC_BIAS_ON: | 
|  | case SND_SOC_BIAS_PREPARE: | 
|  | case SND_SOC_BIAS_STANDBY: | 
|  | snd_soc_component_update_bits(component, AK4671_AD_DA_POWER_MANAGEMENT, | 
|  | AK4671_PMVCM, AK4671_PMVCM); | 
|  | break; | 
|  | case SND_SOC_BIAS_OFF: | 
|  | snd_soc_component_write(component, AK4671_AD_DA_POWER_MANAGEMENT, 0x00); | 
|  | break; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | #define AK4671_RATES		(SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ | 
|  | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ | 
|  | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ | 
|  | SNDRV_PCM_RATE_48000) | 
|  |  | 
|  | #define AK4671_FORMATS		SNDRV_PCM_FMTBIT_S16_LE | 
|  |  | 
|  | static const struct snd_soc_dai_ops ak4671_dai_ops = { | 
|  | .hw_params	= ak4671_hw_params, | 
|  | .set_sysclk	= ak4671_set_dai_sysclk, | 
|  | .set_fmt	= ak4671_set_dai_fmt, | 
|  | }; | 
|  |  | 
|  | static struct snd_soc_dai_driver ak4671_dai = { | 
|  | .name = "ak4671-hifi", | 
|  | .playback = { | 
|  | .stream_name = "Playback", | 
|  | .channels_min = 1, | 
|  | .channels_max = 2, | 
|  | .rates = AK4671_RATES, | 
|  | .formats = AK4671_FORMATS,}, | 
|  | .capture = { | 
|  | .stream_name = "Capture", | 
|  | .channels_min = 1, | 
|  | .channels_max = 2, | 
|  | .rates = AK4671_RATES, | 
|  | .formats = AK4671_FORMATS,}, | 
|  | .ops = &ak4671_dai_ops, | 
|  | }; | 
|  |  | 
|  | static const struct snd_soc_component_driver soc_component_dev_ak4671 = { | 
|  | .set_bias_level		= ak4671_set_bias_level, | 
|  | .controls		= ak4671_snd_controls, | 
|  | .num_controls		= ARRAY_SIZE(ak4671_snd_controls), | 
|  | .dapm_widgets		= ak4671_dapm_widgets, | 
|  | .num_dapm_widgets	= ARRAY_SIZE(ak4671_dapm_widgets), | 
|  | .dapm_routes		= ak4671_intercon, | 
|  | .num_dapm_routes	= ARRAY_SIZE(ak4671_intercon), | 
|  | .idle_bias_on		= 1, | 
|  | .use_pmdown_time	= 1, | 
|  | .endianness		= 1, | 
|  | .non_legacy_dai_naming	= 1, | 
|  | }; | 
|  |  | 
|  | static const struct regmap_config ak4671_regmap = { | 
|  | .reg_bits = 8, | 
|  | .val_bits = 8, | 
|  |  | 
|  | .max_register = AK4671_SAR_ADC_CONTROL, | 
|  | .reg_defaults = ak4671_reg_defaults, | 
|  | .num_reg_defaults = ARRAY_SIZE(ak4671_reg_defaults), | 
|  | .cache_type = REGCACHE_RBTREE, | 
|  | }; | 
|  |  | 
|  | static int ak4671_i2c_probe(struct i2c_client *client, | 
|  | const struct i2c_device_id *id) | 
|  | { | 
|  | struct regmap *regmap; | 
|  | int ret; | 
|  |  | 
|  | regmap = devm_regmap_init_i2c(client, &ak4671_regmap); | 
|  | if (IS_ERR(regmap)) { | 
|  | ret = PTR_ERR(regmap); | 
|  | dev_err(&client->dev, "Failed to create regmap: %d\n", ret); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | ret = devm_snd_soc_register_component(&client->dev, | 
|  | &soc_component_dev_ak4671, &ak4671_dai, 1); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static const struct i2c_device_id ak4671_i2c_id[] = { | 
|  | { "ak4671", 0 }, | 
|  | { } | 
|  | }; | 
|  | MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id); | 
|  |  | 
|  | static struct i2c_driver ak4671_i2c_driver = { | 
|  | .driver = { | 
|  | .name = "ak4671-codec", | 
|  | }, | 
|  | .probe = ak4671_i2c_probe, | 
|  | .id_table = ak4671_i2c_id, | 
|  | }; | 
|  |  | 
|  | module_i2c_driver(ak4671_i2c_driver); | 
|  |  | 
|  | MODULE_DESCRIPTION("ASoC AK4671 codec driver"); | 
|  | MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); | 
|  | MODULE_LICENSE("GPL"); |