/*
* NAU85L40 ALSA SoC audio driver
*
* Copyright 2016 Nuvoton Technology Corp.
* Author: John Hsu <KCHSU0@nuvoton.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __NAU8540_H__
#define __NAU8540_H__
#define NAU8540_REG_SW_RESET 0x00
#define NAU8540_REG_POWER_MANAGEMENT 0x01
#define NAU8540_REG_CLOCK_CTRL 0x02
#define NAU8540_REG_CLOCK_SRC 0x03
#define NAU8540_REG_FLL1 0x04
#define NAU8540_REG_FLL2 0x05
#define NAU8540_REG_FLL3 0x06
#define NAU8540_REG_FLL4 0x07
#define NAU8540_REG_FLL5 0x08
#define NAU8540_REG_FLL6 0x09
#define NAU8540_REG_FLL_VCO_RSV 0x0A
#define NAU8540_REG_PCM_CTRL0 0x10
#define NAU8540_REG_PCM_CTRL1 0x11
#define NAU8540_REG_PCM_CTRL2 0x12
#define NAU8540_REG_PCM_CTRL3 0x13
#define NAU8540_REG_PCM_CTRL4 0x14
#define NAU8540_REG_ALC_CONTROL_1 0x20
#define NAU8540_REG_ALC_CONTROL_2 0x21
#define NAU8540_REG_ALC_CONTROL_3 0x22
#define NAU8540_REG_ALC_CONTROL_4 0x23
#define NAU8540_REG_ALC_CONTROL_5 0x24
#define NAU8540_REG_ALC_GAIN_CH12 0x2D
#define NAU8540_REG_ALC_GAIN_CH34 0x2E
#define NAU8540_REG_ALC_STATUS 0x2F
#define NAU8540_REG_NOTCH_FIL1_CH1 0x30
#define NAU8540_REG_NOTCH_FIL2_CH1 0x31
#define NAU8540_REG_NOTCH_FIL1_CH2 0x32
#define NAU8540_REG_NOTCH_FIL2_CH2 0x33
#define NAU8540_REG_NOTCH_FIL1_CH3 0x34
#define NAU8540_REG_NOTCH_FIL2_CH3 0x35
#define NAU8540_REG_NOTCH_FIL1_CH4 0x36
#define NAU8540_REG_NOTCH_FIL2_CH4 0x37
#define NAU8540_REG_HPF_FILTER_CH12 0x38
#define NAU8540_REG_HPF_FILTER_CH34 0x39
#define NAU8540_REG_ADC_SAMPLE_RATE 0x3A
#define NAU8540_REG_DIGITAL_GAIN_CH1 0x40
#define NAU8540_REG_DIGITAL_GAIN_CH2 0x41
#define NAU8540_REG_DIGITAL_GAIN_CH3 0x42
#define NAU8540_REG_DIGITAL_GAIN_CH4 0x43
#define NAU8540_REG_DIGITAL_MUX 0x44
#define NAU8540_REG_P2P_CH1 0x48
#define NAU8540_REG_P2P_CH2 0x49
#define NAU8540_REG_P2P_CH3 0x4A
#define NAU8540_REG_P2P_CH4 0x4B
#define NAU8540_REG_PEAK_CH1 0x4C
#define NAU8540_REG_PEAK_CH2 0x4D
#define NAU8540_REG_PEAK_CH3 0x4E
#define NAU8540_REG_PEAK_CH4 0x4F
#define NAU8540_REG_GPIO_CTRL 0x50
#define NAU8540_REG_MISC_CTRL 0x51
#define NAU8540_REG_I2C_CTRL 0x52
#define NAU8540_REG_I2C_DEVICE_ID 0x58
#define NAU8540_REG_RST 0x5A
#define NAU8540_REG_VMID_CTRL 0x60
#define NAU8540_REG_MUTE 0x61
#define NAU8540_REG_ANALOG_ADC1 0x64
#define NAU8540_REG_ANALOG_ADC2 0x65
#define NAU8540_REG_ANALOG_PWR 0x66
#define NAU8540_REG_MIC_BIAS 0x67
#define NAU8540_REG_REFERENCE 0x68
#define NAU8540_REG_FEPGA1 0x69
#define NAU8540_REG_FEPGA2 0x6A
#define NAU8540_REG_FEPGA3 0x6B
#define NAU8540_REG_FEPGA4 0x6C
#define NAU8540_REG_PWR 0x6D
#define NAU8540_REG_MAX NAU8540_REG_PWR
/* POWER_MANAGEMENT (0x01) */
#define NAU8540_ADC4_EN (0x1 << 3)
#define NAU8540_ADC3_EN (0x1 << 2)
#define NAU8540_ADC2_EN (0x1 << 1)
#define NAU8540_ADC1_EN 0x1
/* CLOCK_CTRL (0x02) */
#define NAU8540_CLK_ADC_EN (0x1 << 15)
#define NAU8540_CLK_I2S_EN (0x1 << 1)
/* CLOCK_SRC (0x03) */
#define NAU8540_CLK_SRC_SFT 15
#define NAU8540_CLK_SRC_MASK (1 << NAU8540_CLK_SRC_SFT)
#define NAU8540_CLK_SRC_VCO (1 << NAU8540_CLK_SRC_SFT)
#define NAU8540_CLK_SRC_MCLK (0 << NAU8540_CLK_SRC_SFT)
#define NAU8540_CLK_ADC_SRC_SFT 6
#define NAU8540_CLK_ADC_SRC_MASK (0x3 << NAU8540_CLK_ADC_SRC_SFT)
#define NAU8540_CLK_MCLK_SRC_MASK 0xf
/* FLL1 (0x04) */
#define NAU8540_FLL_RATIO_MASK 0x7f
/* FLL3 (0x06) */
#define NAU8540_FLL_CLK_SRC_SFT 10
#define NAU8540_FLL_CLK_SRC_MASK (0x3 << NAU8540_FLL_CLK_SRC_SFT)
#define NAU8540_FLL_CLK_SRC_MCLK (0 << NAU8540_FLL_CLK_SRC_SFT)
#define NAU8540_FLL_CLK_SRC_BLK (0x2 << NAU8540_FLL_CLK_SRC_SFT)
#define NAU8540_FLL_CLK_SRC_FS (0x3 << NAU8540_FLL_CLK_SRC_SFT)
#define NAU8540_FLL_INTEGER_MASK 0x3ff
/* FLL4 (0x07) */
#define NAU8540_FLL_REF_DIV_SFT 10
#define NAU8540_FLL_REF_DIV_MASK (0x3 << NAU8540_FLL_REF_DIV_SFT)
/* FLL5 (0x08) */
#define NAU8540_FLL_PDB_DAC_EN (0x1 << 15)
#define NAU8540_FLL_LOOP_FTR_EN (0x1 << 14)
#define NAU8540_FLL_CLK_SW_MASK (0x1 << 13)
#define NAU8540_FLL_CLK_SW_N2 (0x1 << 13)
#define NAU8540_FLL_CLK_SW_REF (0x0 << 13)
#define NAU8540_FLL_FTR_SW_MASK (0x1 << 12)
#define NAU8540_FLL_FTR_SW_ACCU (0x1 << 12)
#define NAU8540_FLL_FTR_SW_FILTER (0x0 << 12)
/* FLL6 (0x9) */
#define NAU8540_DCO_EN (0x1 << 15)
#define NAU8540_SDM_EN (0x1 << 14)
/* PCM_CTRL0 (0x10) */
#define NAU8540_I2S_BP_SFT 7
#define NAU8540_I2S_BP_INV (0x1 << NAU8540_I2S_BP_SFT)
#define NAU8540_I2S_PCMB_SFT 6
#define NAU8540_I2S_PCMB_EN (0x1 << NAU8540_I2S_PCMB_SFT)
#define NAU8540_I2S_DL_SFT 2
#define NAU8540_I2S_DL_MASK (0x3 << NAU8540_I2S_DL_SFT)
#define NAU8540_I2S_DL_16 (0 << NAU8540_I2S_DL_SFT)
#define NAU8540_I2S_DL_20 (0x1 << NAU8540_I2S_DL_SFT)
#define NAU8540_I2S_DL_24 (0x2 << NAU8540_I2S_DL_SFT)
#define NAU8540_I2S_DL_32 (0x3 << NAU8540_I2S_DL_SFT)
#define NAU8540_I2S_DF_MASK 0x3
#define NAU8540_I2S_DF_RIGTH 0
#define NAU8540_I2S_DF_LEFT 0x1
#define NAU8540_I2S_DF_I2S 0x2
#define NAU8540_I2S_DF_PCM_AB 0x3
/* PCM_CTRL1 (0x11) */
#define NAU8540_I2S_LRC_DIV_SFT 12
#define NAU8540_I2S_LRC_DIV_MASK (0x3 << NAU8540_I2S_LRC_DIV_SFT)
#define NAU8540_I2S_DO12_OE (0x1 << 4)
#define NAU8540_I2S_MS_SFT 3
#define NAU8540_I2S_MS_MASK (0x1 << NAU8540_I2S_MS_SFT)
#define NAU8540_I2S_MS_MASTER (0x1 << NAU8540_I2S_MS_SFT)
#define NAU8540_I2S_MS_SLAVE (0x0 << NAU8540_I2S_MS_SFT)
#define NAU8540_I2S_BLK_DIV_MASK 0x7
/* PCM_CTRL1 (0x12) */
#define NAU8540_I2S_DO34_OE (0x1 << 11)
#define NAU8540_I2S_TSLOT_L_MASK 0x3ff
/* PCM_CTRL4 (0x14) */
#define NAU8540_TDM_MODE (0x1 << 15)
#define NAU8540_TDM_OFFSET_EN (0x1 << 14)
#define NAU8540_TDM_TX_MASK 0xf
/* ADC_SAMPLE_RATE (0x3A) */
#define NAU8540_ADC_OSR_MASK 0x3
#define NAU8540_ADC_OSR_256 0x3
#define NAU8540_ADC_OSR_128 0x2
#define NAU8540_ADC_OSR_64 0x1
#define NAU8540_ADC_OSR_32 0x0
/* VMID_CTRL (0x60) */
#define NAU8540_VMID_EN (1 << 6)
#define NAU8540_VMID_SEL_SFT 4
#define NAU8540_VMID_SEL_MASK (0x3 << NAU8540_VMID_SEL_SFT)
/* MIC_BIAS (0x67) */
#define NAU8540_PU_PRE (0x1 << 8)
/* REFERENCE (0x68) */
#define NAU8540_PRECHARGE_DIS (0x1 << 13)
#define NAU8540_GLOBAL_BIAS_EN (0x1 << 12)
/* System Clock Source */
enum {
NAU8540_CLK_DIS,
NAU8540_CLK_MCLK,
NAU8540_CLK_INTERNAL,
NAU8540_CLK_FLL_MCLK,
NAU8540_CLK_FLL_BLK,
NAU8540_CLK_FLL_FS,
};
struct nau8540 {
struct device *dev;
struct regmap *regmap;
};
struct nau8540_fll {
int mclk_src;
int ratio;
int fll_frac;
int fll_int;
int clk_ref_div;
};
struct nau8540_fll_attr {
unsigned int param;
unsigned int val;
};
/* over sampling rate */
struct nau8540_osr_attr {
unsigned int osr;
unsigned int clk_src;
};
#endif /* __NAU8540_H__ */