/* SPDX-License-Identifier: GPL-2.0 */
/*
 * nau8822.h  --  NAU8822 ALSA SoC Audio driver
 *
 * Copyright 2017 Nuvoton Technology Crop.
 *
 * Author: David Lin <ctlin0@nuvoton.com>
 * Co-author: John Hsu <kchsu0@nuvoton.com>
 * Co-author: Seven Li <wtli@nuvoton.com>
 */

#ifndef __NAU8822_H__
#define __NAU8822_H__

#define NAU8822_REG_RESET			0x00
#define NAU8822_REG_POWER_MANAGEMENT_1		0x01
#define NAU8822_REG_POWER_MANAGEMENT_2		0x02
#define NAU8822_REG_POWER_MANAGEMENT_3		0x03
#define NAU8822_REG_AUDIO_INTERFACE		0x04
#define NAU8822_REG_COMPANDING_CONTROL		0x05
#define NAU8822_REG_CLOCKING			0x06
#define NAU8822_REG_ADDITIONAL_CONTROL		0x07
#define NAU8822_REG_GPIO_CONTROL		0x08
#define NAU8822_REG_JACK_DETECT_CONTROL_1	0x09
#define NAU8822_REG_DAC_CONTROL			0x0A
#define NAU8822_REG_LEFT_DAC_DIGITAL_VOLUME	0x0B
#define NAU8822_REG_RIGHT_DAC_DIGITAL_VOLUME	0x0C
#define NAU8822_REG_JACK_DETECT_CONTROL_2	0x0D
#define NAU8822_REG_ADC_CONTROL			0x0E
#define NAU8822_REG_LEFT_ADC_DIGITAL_VOLUME	0x0F
#define NAU8822_REG_RIGHT_ADC_DIGITAL_VOLUME	0x10
#define NAU8822_REG_EQ1				0x12
#define NAU8822_REG_EQ2				0x13
#define NAU8822_REG_EQ3				0x14
#define NAU8822_REG_EQ4				0x15
#define NAU8822_REG_EQ5				0x16
#define NAU8822_REG_DAC_LIMITER_1		0x18
#define NAU8822_REG_DAC_LIMITER_2		0x19
#define NAU8822_REG_NOTCH_FILTER_1		0x1B
#define NAU8822_REG_NOTCH_FILTER_2		0x1C
#define NAU8822_REG_NOTCH_FILTER_3		0x1D
#define NAU8822_REG_NOTCH_FILTER_4		0x1E
#define NAU8822_REG_ALC_CONTROL_1		0x20
#define NAU8822_REG_ALC_CONTROL_2		0x21
#define NAU8822_REG_ALC_CONTROL_3		0x22
#define NAU8822_REG_NOISE_GATE			0x23
#define NAU8822_REG_PLL_N			0x24
#define NAU8822_REG_PLL_K1			0x25
#define NAU8822_REG_PLL_K2			0x26
#define NAU8822_REG_PLL_K3			0x27
#define NAU8822_REG_3D_CONTROL			0x29
#define NAU8822_REG_RIGHT_SPEAKER_CONTROL	0x2B
#define NAU8822_REG_INPUT_CONTROL		0x2C
#define NAU8822_REG_LEFT_INP_PGA_CONTROL	0x2D
#define NAU8822_REG_RIGHT_INP_PGA_CONTROL	0x2E
#define NAU8822_REG_LEFT_ADC_BOOST_CONTROL	0x2F
#define NAU8822_REG_RIGHT_ADC_BOOST_CONTROL	0x30
#define NAU8822_REG_OUTPUT_CONTROL		0x31
#define NAU8822_REG_LEFT_MIXER_CONTROL		0x32
#define NAU8822_REG_RIGHT_MIXER_CONTROL		0x33
#define NAU8822_REG_LHP_VOLUME			0x34
#define NAU8822_REG_RHP_VOLUME			0x35
#define NAU8822_REG_LSPKOUT_VOLUME		0x36
#define NAU8822_REG_RSPKOUT_VOLUME		0x37
#define NAU8822_REG_AUX2_MIXER			0x38
#define NAU8822_REG_AUX1_MIXER			0x39
#define NAU8822_REG_POWER_MANAGEMENT_4		0x3A
#define NAU8822_REG_LEFT_TIME_SLOT		0x3B
#define NAU8822_REG_MISC			0x3C
#define NAU8822_REG_RIGHT_TIME_SLOT		0x3D
#define NAU8822_REG_DEVICE_REVISION		0x3E
#define NAU8822_REG_DEVICE_ID			0x3F
#define NAU8822_REG_DAC_DITHER			0x41
#define NAU8822_REG_ALC_ENHANCE_1		0x46
#define NAU8822_REG_ALC_ENHANCE_2		0x47
#define NAU8822_REG_192KHZ_SAMPLING		0x48
#define NAU8822_REG_MISC_CONTROL		0x49
#define NAU8822_REG_INPUT_TIEOFF		0x4A
#define NAU8822_REG_POWER_REDUCTION		0x4B
#define NAU8822_REG_AGC_PEAK2PEAK		0x4C
#define NAU8822_REG_AGC_PEAK_DETECT		0x4D
#define NAU8822_REG_AUTOMUTE_CONTROL		0x4E
#define NAU8822_REG_OUTPUT_TIEOFF		0x4F
#define NAU8822_REG_MAX_REGISTER		NAU8822_REG_OUTPUT_TIEOFF

/* NAU8822_REG_POWER_MANAGEMENT_1 (0x1) */
#define NAU8822_REFIMP_MASK			0x3
#define NAU8822_REFIMP_80K			0x1
#define NAU8822_REFIMP_300K			0x2
#define NAU8822_REFIMP_3K			0x3
#define NAU8822_IOBUF_EN			(0x1 << 2)
#define NAU8822_ABIAS_EN			(0x1 << 3)
#define NAU8822_PLL_EN_MASK			(0x1 << 5)
#define NAU8822_PLL_ON				(0x1 << 5)
#define NAU8822_PLL_OFF				(0x0 << 5)

/* NAU8822_REG_AUDIO_INTERFACE (0x4) */
#define NAU8822_AIFMT_MASK			(0x3 << 3)
#define NAU8822_WLEN_MASK			(0x3 << 5)
#define NAU8822_WLEN_20				(0x1 << 5)
#define NAU8822_WLEN_24				(0x2 << 5)
#define NAU8822_WLEN_32				(0x3 << 5)
#define NAU8822_LRP_MASK			(0x1 << 7)
#define NAU8822_BCLKP_MASK			(0x1 << 8)

/* NAU8822_REG_COMPANDING_CONTROL (0x5) */
#define NAU8822_ADDAP_SFT			0
#define NAU8822_ADCCM_SFT			1
#define NAU8822_DACCM_SFT			3

/* NAU8822_REG_CLOCKING (0x6) */
#define NAU8822_CLKIOEN_MASK			0x1
#define NAU8822_CLK_MASTER			0x1
#define NAU8822_CLK_SLAVE			0x0
#define NAU8822_MCLKSEL_SFT			5
#define NAU8822_MCLKSEL_MASK			(0x7 << 5)
#define NAU8822_BCLKSEL_SFT			2
#define NAU8822_BCLKSEL_MASK			(0x7 << 2)
#define NAU8822_BCLKDIV_1			(0x0 << 2)
#define NAU8822_BCLKDIV_2			(0x1 << 2)
#define NAU8822_BCLKDIV_4			(0x2 << 2)
#define NAU8822_BCLKDIV_8			(0x3 << 2)
#define NAU8822_BCLKDIV_16			(0x4 << 2)
#define NAU8822_CLKM_MASK			(0x1 << 8)
#define NAU8822_CLKM_MCLK			(0x0 << 8)
#define NAU8822_CLKM_PLL			(0x1 << 8)

/* NAU8822_REG_ADDITIONAL_CONTROL (0x08) */
#define NAU8822_SMPLR_SFT			1
#define NAU8822_SMPLR_MASK			(0x7 << 1)
#define NAU8822_SMPLR_48K			(0x0 << 1)
#define NAU8822_SMPLR_32K			(0x1 << 1)
#define NAU8822_SMPLR_24K			(0x2 << 1)
#define NAU8822_SMPLR_16K			(0x3 << 1)
#define NAU8822_SMPLR_12K			(0x4 << 1)
#define NAU8822_SMPLR_8K			(0x5 << 1)

/* NAU8822_REG_EQ1 (0x12) */
#define NAU8822_EQ1GC_SFT			0
#define NAU8822_EQ1CF_SFT			5
#define NAU8822_EQM_SFT				8

/* NAU8822_REG_EQ2 (0x13) */
#define NAU8822_EQ2GC_SFT			0
#define NAU8822_EQ2CF_SFT			5
#define NAU8822_EQ2BW_SFT			8

/* NAU8822_REG_EQ3 (0x14) */
#define NAU8822_EQ3GC_SFT			0
#define NAU8822_EQ3CF_SFT			5
#define NAU8822_EQ3BW_SFT			8

/* NAU8822_REG_EQ4 (0x15) */
#define NAU8822_EQ4GC_SFT			0
#define NAU8822_EQ4CF_SFT			5
#define NAU8822_EQ4BW_SFT			8

/* NAU8822_REG_EQ5 (0x16) */
#define NAU8822_EQ5GC_SFT			0
#define NAU8822_EQ5CF_SFT			5

/* NAU8822_REG_ALC_CONTROL_1 (0x20) */
#define NAU8822_ALCMINGAIN_SFT			0
#define NAU8822_ALCMXGAIN_SFT			3
#define NAU8822_ALCEN_SFT			7

/* NAU8822_REG_ALC_CONTROL_2 (0x21) */
#define NAU8822_ALCSL_SFT			0
#define NAU8822_ALCHT_SFT			4

/* NAU8822_REG_ALC_CONTROL_3 (0x22) */
#define NAU8822_ALCATK_SFT			0
#define NAU8822_ALCDCY_SFT			4
#define NAU8822_ALCM_SFT			8

/* NAU8822_REG_PLL_N (0x24) */
#define NAU8822_PLLMCLK_DIV2			(0x1 << 4)
#define NAU8822_PLLN_MASK			0xF

#define NAU8822_PLLK1_SFT			18
#define NAU8822_PLLK1_MASK			0x3F

/* NAU8822_REG_PLL_K2 (0x26) */
#define NAU8822_PLLK2_SFT			9
#define NAU8822_PLLK2_MASK			0x1FF

/* NAU8822_REG_PLL_K3 (0x27) */
#define NAU8822_PLLK3_MASK			0x1FF

/* NAU8822_REG_RIGHT_SPEAKER_CONTROL (0x2B) */
#define NAU8822_RMIXMUT				0x20
#define NAU8822_RSUBBYP				0x10

#define NAU8822_RAUXRSUBG_SFT			1
#define NAU8822_RAUXRSUBG_MASK			0x0E

#define NAU8822_RAUXSMUT			0x01

/* System Clock Source */
enum {
	NAU8822_CLK_MCLK,
	NAU8822_CLK_PLL,
};

struct nau8822_pll {
	int pre_factor;
	int mclk_scaler;
	int pll_frac;
	int pll_int;
	int freq_in;
	int freq_out;
};

#define NAU8822_NUM_SUPPLIES	4

/* Codec Private Data */
struct nau8822 {
	struct device *dev;
	struct regmap *regmap;
	struct clk *mclk;
	struct nau8822_pll pll;
	int sysclk;
	int div_id;
	struct regulator_bulk_data supplies[NAU8822_NUM_SUPPLIES];
};

#endif	/* __NAU8822_H__ */
