470 lines
17 KiB
C
470 lines
17 KiB
C
/*
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* NAU8825 ALSA SoC audio driver
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*
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* Copyright 2015 Google Inc.
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* Author: Anatol Pomozov <anatol.pomozov@chrominium.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __NAU8825_H__
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#define __NAU8825_H__
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#define NAU8825_REG_RESET 0x00
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#define NAU8825_REG_ENA_CTRL 0x01
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#define NAU8825_REG_IIC_ADDR_SET 0x02
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#define NAU8825_REG_CLK_DIVIDER 0x03
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#define NAU8825_REG_FLL1 0x04
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#define NAU8825_REG_FLL2 0x05
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#define NAU8825_REG_FLL3 0x06
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#define NAU8825_REG_FLL4 0x07
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#define NAU8825_REG_FLL5 0x08
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#define NAU8825_REG_FLL6 0x09
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#define NAU8825_REG_FLL_VCO_RSV 0x0a
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#define NAU8825_REG_HSD_CTRL 0x0c
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#define NAU8825_REG_JACK_DET_CTRL 0x0d
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#define NAU8825_REG_INTERRUPT_MASK 0x0f
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#define NAU8825_REG_IRQ_STATUS 0x10
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#define NAU8825_REG_INT_CLR_KEY_STATUS 0x11
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#define NAU8825_REG_INTERRUPT_DIS_CTRL 0x12
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#define NAU8825_REG_SAR_CTRL 0x13
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#define NAU8825_REG_KEYDET_CTRL 0x14
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#define NAU8825_REG_VDET_THRESHOLD_1 0x15
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#define NAU8825_REG_VDET_THRESHOLD_2 0x16
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#define NAU8825_REG_VDET_THRESHOLD_3 0x17
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#define NAU8825_REG_VDET_THRESHOLD_4 0x18
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#define NAU8825_REG_GPIO34_CTRL 0x19
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#define NAU8825_REG_GPIO12_CTRL 0x1a
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#define NAU8825_REG_TDM_CTRL 0x1b
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#define NAU8825_REG_I2S_PCM_CTRL1 0x1c
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#define NAU8825_REG_I2S_PCM_CTRL2 0x1d
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#define NAU8825_REG_LEFT_TIME_SLOT 0x1e
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#define NAU8825_REG_RIGHT_TIME_SLOT 0x1f
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#define NAU8825_REG_BIQ_CTRL 0x20
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#define NAU8825_REG_BIQ_COF1 0x21
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#define NAU8825_REG_BIQ_COF2 0x22
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#define NAU8825_REG_BIQ_COF3 0x23
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#define NAU8825_REG_BIQ_COF4 0x24
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#define NAU8825_REG_BIQ_COF5 0x25
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#define NAU8825_REG_BIQ_COF6 0x26
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#define NAU8825_REG_BIQ_COF7 0x27
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#define NAU8825_REG_BIQ_COF8 0x28
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#define NAU8825_REG_BIQ_COF9 0x29
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#define NAU8825_REG_BIQ_COF10 0x2a
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#define NAU8825_REG_ADC_RATE 0x2b
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#define NAU8825_REG_DAC_CTRL1 0x2c
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#define NAU8825_REG_DAC_CTRL2 0x2d
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#define NAU8825_REG_DAC_DGAIN_CTRL 0x2f
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#define NAU8825_REG_ADC_DGAIN_CTRL 0x30
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#define NAU8825_REG_MUTE_CTRL 0x31
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#define NAU8825_REG_HSVOL_CTRL 0x32
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#define NAU8825_REG_DACL_CTRL 0x33
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#define NAU8825_REG_DACR_CTRL 0x34
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#define NAU8825_REG_ADC_DRC_KNEE_IP12 0x38
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#define NAU8825_REG_ADC_DRC_KNEE_IP34 0x39
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#define NAU8825_REG_ADC_DRC_SLOPES 0x3a
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#define NAU8825_REG_ADC_DRC_ATKDCY 0x3b
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#define NAU8825_REG_DAC_DRC_KNEE_IP12 0x45
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#define NAU8825_REG_DAC_DRC_KNEE_IP34 0x46
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#define NAU8825_REG_DAC_DRC_SLOPES 0x47
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#define NAU8825_REG_DAC_DRC_ATKDCY 0x48
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#define NAU8825_REG_IMM_MODE_CTRL 0x4c
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#define NAU8825_REG_IMM_RMS_L 0x4d
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#define NAU8825_REG_IMM_RMS_R 0x4e
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#define NAU8825_REG_CLASSG_CTRL 0x50
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#define NAU8825_REG_OPT_EFUSE_CTRL 0x51
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#define NAU8825_REG_MISC_CTRL 0x55
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#define NAU8825_REG_I2C_DEVICE_ID 0x58
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#define NAU8825_REG_SARDOUT_RAM_STATUS 0x59
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#define NAU8825_REG_BIAS_ADJ 0x66
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#define NAU8825_REG_TRIM_SETTINGS 0x68
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#define NAU8825_REG_ANALOG_CONTROL_1 0x69
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#define NAU8825_REG_ANALOG_CONTROL_2 0x6a
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#define NAU8825_REG_ANALOG_ADC_1 0x71
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#define NAU8825_REG_ANALOG_ADC_2 0x72
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#define NAU8825_REG_RDAC 0x73
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#define NAU8825_REG_MIC_BIAS 0x74
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#define NAU8825_REG_BOOST 0x76
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#define NAU8825_REG_FEPGA 0x77
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#define NAU8825_REG_POWER_UP_CONTROL 0x7f
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#define NAU8825_REG_CHARGE_PUMP 0x80
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#define NAU8825_REG_CHARGE_PUMP_INPUT_READ 0x81
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#define NAU8825_REG_GENERAL_STATUS 0x82
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#define NAU8825_REG_MAX NAU8825_REG_GENERAL_STATUS
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/* 16-bit control register address, and 16-bits control register data */
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#define NAU8825_REG_ADDR_LEN 16
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#define NAU8825_REG_DATA_LEN 16
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/* ENA_CTRL (0x1) */
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#define NAU8825_ENABLE_DACR_SFT 10
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#define NAU8825_ENABLE_DACR (1 << NAU8825_ENABLE_DACR_SFT)
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#define NAU8825_ENABLE_DACL_SFT 9
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#define NAU8825_ENABLE_DACL (1 << NAU8825_ENABLE_DACL_SFT)
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#define NAU8825_ENABLE_ADC_SFT 8
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#define NAU8825_ENABLE_ADC (1 << NAU8825_ENABLE_ADC_SFT)
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#define NAU8825_ENABLE_ADC_CLK_SFT 7
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#define NAU8825_ENABLE_ADC_CLK (1 << NAU8825_ENABLE_ADC_CLK_SFT)
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#define NAU8825_ENABLE_DAC_CLK_SFT 6
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#define NAU8825_ENABLE_DAC_CLK (1 << NAU8825_ENABLE_DAC_CLK_SFT)
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#define NAU8825_ENABLE_SAR_SFT 1
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/* CLK_DIVIDER (0x3) */
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#define NAU8825_CLK_SRC_SFT 15
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#define NAU8825_CLK_SRC_MASK (1 << NAU8825_CLK_SRC_SFT)
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#define NAU8825_CLK_SRC_VCO (1 << NAU8825_CLK_SRC_SFT)
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#define NAU8825_CLK_SRC_MCLK (0 << NAU8825_CLK_SRC_SFT)
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#define NAU8825_CLK_MCLK_SRC_MASK (0xf << 0)
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/* FLL1 (0x04) */
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#define NAU8825_FLL_RATIO_MASK (0x7f << 0)
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/* FLL3 (0x06) */
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#define NAU8825_FLL_INTEGER_MASK (0x3ff << 0)
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#define NAU8825_FLL_CLK_SRC_SFT 10
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#define NAU8825_FLL_CLK_SRC_MASK (0x3 << NAU8825_FLL_CLK_SRC_SFT)
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#define NAU8825_FLL_CLK_SRC_MCLK (0 << NAU8825_FLL_CLK_SRC_SFT)
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#define NAU8825_FLL_CLK_SRC_BLK (0x2 << NAU8825_FLL_CLK_SRC_SFT)
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#define NAU8825_FLL_CLK_SRC_FS (0x3 << NAU8825_FLL_CLK_SRC_SFT)
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/* FLL4 (0x07) */
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#define NAU8825_FLL_REF_DIV_SFT 10
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#define NAU8825_FLL_REF_DIV_MASK (0x3 << NAU8825_FLL_REF_DIV_SFT)
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/* FLL5 (0x08) */
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#define NAU8825_FLL_PDB_DAC_EN (0x1 << 15)
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#define NAU8825_FLL_LOOP_FTR_EN (0x1 << 14)
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#define NAU8825_FLL_CLK_SW_MASK (0x1 << 13)
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#define NAU8825_FLL_CLK_SW_N2 (0x1 << 13)
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#define NAU8825_FLL_CLK_SW_REF (0x0 << 13)
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#define NAU8825_FLL_FTR_SW_MASK (0x1 << 12)
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#define NAU8825_FLL_FTR_SW_ACCU (0x1 << 12)
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#define NAU8825_FLL_FTR_SW_FILTER (0x0 << 12)
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/* FLL6 (0x9) */
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#define NAU8825_DCO_EN (0x1 << 15)
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#define NAU8825_SDM_EN (0x1 << 14)
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/* HSD_CTRL (0xc) */
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#define NAU8825_HSD_AUTO_MODE (1 << 6)
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/* 0 - open, 1 - short to GND */
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#define NAU8825_SPKR_DWN1R (1 << 1)
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#define NAU8825_SPKR_DWN1L (1 << 0)
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/* JACK_DET_CTRL (0xd) */
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#define NAU8825_JACK_DET_RESTART (1 << 9)
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#define NAU8825_JACK_DET_DB_BYPASS (1 << 8)
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#define NAU8825_JACK_INSERT_DEBOUNCE_SFT 5
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#define NAU8825_JACK_INSERT_DEBOUNCE_MASK (0x7 << NAU8825_JACK_INSERT_DEBOUNCE_SFT)
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#define NAU8825_JACK_EJECT_DEBOUNCE_SFT 2
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#define NAU8825_JACK_EJECT_DEBOUNCE_MASK (0x7 << NAU8825_JACK_EJECT_DEBOUNCE_SFT)
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#define NAU8825_JACK_POLARITY (1 << 1) /* 0 - active low, 1 - active high */
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/* INTERRUPT_MASK (0xf) */
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#define NAU8825_IRQ_OUTPUT_EN (1 << 11)
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#define NAU8825_IRQ_HEADSET_COMPLETE_EN (1 << 10)
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#define NAU8825_IRQ_RMS_EN (1 << 8)
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#define NAU8825_IRQ_KEY_RELEASE_EN (1 << 7)
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#define NAU8825_IRQ_KEY_SHORT_PRESS_EN (1 << 5)
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#define NAU8825_IRQ_EJECT_EN (1 << 2)
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#define NAU8825_IRQ_INSERT_EN (1 << 0)
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/* IRQ_STATUS (0x10) */
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#define NAU8825_HEADSET_COMPLETION_IRQ (1 << 10)
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#define NAU8825_SHORT_CIRCUIT_IRQ (1 << 9)
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#define NAU8825_IMPEDANCE_MEAS_IRQ (1 << 8)
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#define NAU8825_KEY_IRQ_MASK (0x7 << 5)
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#define NAU8825_KEY_RELEASE_IRQ (1 << 7)
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#define NAU8825_KEY_LONG_PRESS_IRQ (1 << 6)
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#define NAU8825_KEY_SHORT_PRESS_IRQ (1 << 5)
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#define NAU8825_MIC_DETECTION_IRQ (1 << 4)
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#define NAU8825_JACK_EJECTION_IRQ_MASK (3 << 2)
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#define NAU8825_JACK_EJECTION_DETECTED (1 << 2)
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#define NAU8825_JACK_INSERTION_IRQ_MASK (3 << 0)
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#define NAU8825_JACK_INSERTION_DETECTED (1 << 0)
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/* INTERRUPT_DIS_CTRL (0x12) */
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#define NAU8825_IRQ_HEADSET_COMPLETE_DIS (1 << 10)
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#define NAU8825_IRQ_KEY_RELEASE_DIS (1 << 7)
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#define NAU8825_IRQ_KEY_SHORT_PRESS_DIS (1 << 5)
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#define NAU8825_IRQ_EJECT_DIS (1 << 2)
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#define NAU8825_IRQ_INSERT_DIS (1 << 0)
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/* SAR_CTRL (0x13) */
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#define NAU8825_SAR_ADC_EN_SFT 12
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#define NAU8825_SAR_ADC_EN (1 << NAU8825_SAR_ADC_EN_SFT)
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#define NAU8825_SAR_INPUT_MASK (1 << 11)
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#define NAU8825_SAR_INPUT_JKSLV (1 << 11)
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#define NAU8825_SAR_INPUT_JKR2 (0 << 11)
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#define NAU8825_SAR_TRACKING_GAIN_SFT 8
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#define NAU8825_SAR_TRACKING_GAIN_MASK (0x7 << NAU8825_SAR_TRACKING_GAIN_SFT)
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#define NAU8825_SAR_COMPARE_TIME_SFT 2
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#define NAU8825_SAR_COMPARE_TIME_MASK (3 << 2)
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#define NAU8825_SAR_SAMPLING_TIME_SFT 0
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#define NAU8825_SAR_SAMPLING_TIME_MASK (3 << 0)
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/* KEYDET_CTRL (0x14) */
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#define NAU8825_KEYDET_SHORTKEY_DEBOUNCE_SFT 12
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#define NAU8825_KEYDET_SHORTKEY_DEBOUNCE_MASK (0x3 << NAU8825_KEYDET_SHORTKEY_DEBOUNCE_SFT)
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#define NAU8825_KEYDET_LEVELS_NR_SFT 8
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#define NAU8825_KEYDET_LEVELS_NR_MASK (0x7 << 8)
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#define NAU8825_KEYDET_HYSTERESIS_SFT 0
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#define NAU8825_KEYDET_HYSTERESIS_MASK 0xf
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/* GPIO12_CTRL (0x1a) */
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#define NAU8825_JKDET_PULL_UP (1 << 11) /* 0 - pull down, 1 - pull up */
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#define NAU8825_JKDET_PULL_EN (1 << 9) /* 0 - enable pull, 1 - disable */
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#define NAU8825_JKDET_OUTPUT_EN (1 << 8) /* 0 - enable input, 1 - enable output */
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/* I2S_PCM_CTRL1 (0x1c) */
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#define NAU8825_I2S_BP_SFT 7
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#define NAU8825_I2S_BP_MASK (1 << NAU8825_I2S_BP_SFT)
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#define NAU8825_I2S_BP_INV (1 << NAU8825_I2S_BP_SFT)
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#define NAU8825_I2S_PCMB_SFT 6
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#define NAU8825_I2S_PCMB_MASK (1 << NAU8825_I2S_PCMB_SFT)
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#define NAU8825_I2S_PCMB_EN (1 << NAU8825_I2S_PCMB_SFT)
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#define NAU8825_I2S_DL_SFT 2
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#define NAU8825_I2S_DL_MASK (0x3 << NAU8825_I2S_DL_SFT)
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#define NAU8825_I2S_DL_16 (0 << NAU8825_I2S_DL_SFT)
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#define NAU8825_I2S_DL_20 (1 << NAU8825_I2S_DL_SFT)
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#define NAU8825_I2S_DL_24 (2 << NAU8825_I2S_DL_SFT)
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#define NAU8825_I2S_DL_32 (3 << NAU8825_I2S_DL_SFT)
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#define NAU8825_I2S_DF_SFT 0
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#define NAU8825_I2S_DF_MASK (0x3 << NAU8825_I2S_DF_SFT)
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#define NAU8825_I2S_DF_RIGTH (0 << NAU8825_I2S_DF_SFT)
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#define NAU8825_I2S_DF_LEFT (1 << NAU8825_I2S_DF_SFT)
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#define NAU8825_I2S_DF_I2S (2 << NAU8825_I2S_DF_SFT)
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#define NAU8825_I2S_DF_PCM_AB (3 << NAU8825_I2S_DF_SFT)
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/* I2S_PCM_CTRL2 (0x1d) */
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#define NAU8825_I2S_TRISTATE (1 << 15) /* 0 - normal mode, 1 - Hi-Z output */
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#define NAU8825_I2S_DRV_SFT 12
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#define NAU8825_I2S_DRV_MASK (0x3 << NAU8825_I2S_DRV_SFT)
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#define NAU8825_I2S_MS_SFT 3
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#define NAU8825_I2S_MS_MASK (1 << NAU8825_I2S_MS_SFT)
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#define NAU8825_I2S_MS_MASTER (1 << NAU8825_I2S_MS_SFT)
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#define NAU8825_I2S_MS_SLAVE (0 << NAU8825_I2S_MS_SFT)
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#define NAU8825_I2S_BLK_DIV_MASK 0x7
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/* BIQ_CTRL (0x20) */
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#define NAU8825_BIQ_WRT_SFT 4
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#define NAU8825_BIQ_WRT_EN (1 << NAU8825_BIQ_WRT_SFT)
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#define NAU8825_BIQ_PATH_SFT 0
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#define NAU8825_BIQ_PATH_MASK (1 << NAU8825_BIQ_PATH_SFT)
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#define NAU8825_BIQ_PATH_ADC (0 << NAU8825_BIQ_PATH_SFT)
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#define NAU8825_BIQ_PATH_DAC (1 << NAU8825_BIQ_PATH_SFT)
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/* ADC_RATE (0x2b) */
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#define NAU8825_ADC_SYNC_DOWN_SFT 0
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#define NAU8825_ADC_SYNC_DOWN_MASK 0x3
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#define NAU8825_ADC_SYNC_DOWN_32 0
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#define NAU8825_ADC_SYNC_DOWN_64 1
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#define NAU8825_ADC_SYNC_DOWN_128 2
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#define NAU8825_ADC_SYNC_DOWN_256 3
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/* DAC_CTRL1 (0x2c) */
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#define NAU8825_DAC_CLIP_OFF (1 << 7)
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#define NAU8825_DAC_OVERSAMPLE_SFT 0
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#define NAU8825_DAC_OVERSAMPLE_MASK 0x7
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#define NAU8825_DAC_OVERSAMPLE_64 0
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#define NAU8825_DAC_OVERSAMPLE_256 1
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#define NAU8825_DAC_OVERSAMPLE_128 2
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#define NAU8825_DAC_OVERSAMPLE_32 4
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/* ADC_DGAIN_CTRL (0x30) */
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#define NAU8825_ADC_DIG_VOL_MASK 0xff
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/* MUTE_CTRL (0x31) */
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#define NAU8825_DAC_ZERO_CROSSING_EN (1 << 9)
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#define NAU8825_DAC_SOFT_MUTE (1 << 9)
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/* HSVOL_CTRL (0x32) */
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#define NAU8825_HP_MUTE (1 << 15)
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#define NAU8825_HP_MUTE_AUTO (1 << 14)
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#define NAU8825_HPL_MUTE (1 << 13)
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#define NAU8825_HPR_MUTE (1 << 12)
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#define NAU8825_HPL_VOL_SFT 6
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#define NAU8825_HPL_VOL_MASK (0x3f << NAU8825_HPL_VOL_SFT)
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#define NAU8825_HPR_VOL_SFT 0
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#define NAU8825_HPR_VOL_MASK (0x3f << NAU8825_HPR_VOL_SFT)
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#define NAU8825_HP_VOL_MIN 0x36
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/* DACL_CTRL (0x33) */
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#define NAU8825_DACL_CH_SEL_SFT 9
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#define NAU8825_DACL_CH_SEL_MASK (0x1 << NAU8825_DACL_CH_SEL_SFT)
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#define NAU8825_DACL_CH_SEL_L (0x0 << NAU8825_DACL_CH_SEL_SFT)
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#define NAU8825_DACL_CH_SEL_R (0x1 << NAU8825_DACL_CH_SEL_SFT)
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#define NAU8825_DACL_CH_VOL_MASK 0xff
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/* DACR_CTRL (0x34) */
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#define NAU8825_DACR_CH_SEL_SFT 9
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#define NAU8825_DACR_CH_SEL_MASK (0x1 << NAU8825_DACR_CH_SEL_SFT)
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#define NAU8825_DACR_CH_SEL_L (0x0 << NAU8825_DACR_CH_SEL_SFT)
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#define NAU8825_DACR_CH_SEL_R (0x1 << NAU8825_DACR_CH_SEL_SFT)
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#define NAU8825_DACR_CH_VOL_MASK 0xff
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/* IMM_MODE_CTRL (0x4C) */
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#define NAU8825_IMM_THD_SFT 8
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#define NAU8825_IMM_THD_MASK (0x3f << NAU8825_IMM_THD_SFT)
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#define NAU8825_IMM_GEN_VOL_SFT 6
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#define NAU8825_IMM_GEN_VOL_MASK (0x3 << NAU8825_IMM_GEN_VOL_SFT)
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#define NAU8825_IMM_GEN_VOL_1_2nd (0x0 << NAU8825_IMM_GEN_VOL_SFT)
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#define NAU8825_IMM_GEN_VOL_1_4th (0x1 << NAU8825_IMM_GEN_VOL_SFT)
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#define NAU8825_IMM_GEN_VOL_1_8th (0x2 << NAU8825_IMM_GEN_VOL_SFT)
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#define NAU8825_IMM_GEN_VOL_1_16th (0x3 << NAU8825_IMM_GEN_VOL_SFT)
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#define NAU8825_IMM_CYC_SFT 4
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#define NAU8825_IMM_CYC_MASK (0x3 << NAU8825_IMM_CYC_SFT)
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#define NAU8825_IMM_CYC_1024 (0x0 << NAU8825_IMM_CYC_SFT)
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#define NAU8825_IMM_CYC_2048 (0x1 << NAU8825_IMM_CYC_SFT)
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#define NAU8825_IMM_CYC_4096 (0x2 << NAU8825_IMM_CYC_SFT)
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#define NAU8825_IMM_CYC_8192 (0x3 << NAU8825_IMM_CYC_SFT)
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#define NAU8825_IMM_EN (1 << 3)
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#define NAU8825_IMM_DAC_SRC_MASK 0x7
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#define NAU8825_IMM_DAC_SRC_BIQ 0x0
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#define NAU8825_IMM_DAC_SRC_DRC 0x1
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#define NAU8825_IMM_DAC_SRC_MIX 0x2
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#define NAU8825_IMM_DAC_SRC_SIN 0x3
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/* CLASSG_CTRL (0x50) */
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#define NAU8825_CLASSG_TIMER_SFT 8
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#define NAU8825_CLASSG_TIMER_MASK (0x3f << NAU8825_CLASSG_TIMER_SFT)
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#define NAU8825_CLASSG_TIMER_1ms (0x1 << NAU8825_CLASSG_TIMER_SFT)
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#define NAU8825_CLASSG_TIMER_2ms (0x2 << NAU8825_CLASSG_TIMER_SFT)
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#define NAU8825_CLASSG_TIMER_8ms (0x4 << NAU8825_CLASSG_TIMER_SFT)
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#define NAU8825_CLASSG_TIMER_16ms (0x8 << NAU8825_CLASSG_TIMER_SFT)
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#define NAU8825_CLASSG_TIMER_32ms (0x10 << NAU8825_CLASSG_TIMER_SFT)
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#define NAU8825_CLASSG_TIMER_64ms (0x20 << NAU8825_CLASSG_TIMER_SFT)
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#define NAU8825_CLASSG_LDAC_EN (0x1 << 2)
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#define NAU8825_CLASSG_RDAC_EN (0x1 << 1)
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#define NAU8825_CLASSG_EN (1 << 0)
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/* I2C_DEVICE_ID (0x58) */
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#define NAU8825_GPIO2JD1 (1 << 7)
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#define NAU8825_SOFTWARE_ID_MASK 0x3
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#define NAU8825_SOFTWARE_ID_NAU8825 0x0
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/* BIAS_ADJ (0x66) */
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#define NAU8825_BIAS_HPR_IMP (1 << 15)
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#define NAU8825_BIAS_HPL_IMP (1 << 14)
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#define NAU8825_BIAS_TESTDAC_SFT 8
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#define NAU8825_BIAS_TESTDAC_EN (0x3 << NAU8825_BIAS_TESTDAC_SFT)
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#define NAU8825_BIAS_TESTDACR_EN (0x2 << NAU8825_BIAS_TESTDAC_SFT)
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#define NAU8825_BIAS_TESTDACL_EN (0x1 << NAU8825_BIAS_TESTDAC_SFT)
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#define NAU8825_BIAS_VMID (1 << 6)
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#define NAU8825_BIAS_VMID_SEL_SFT 4
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#define NAU8825_BIAS_VMID_SEL_MASK (3 << NAU8825_BIAS_VMID_SEL_SFT)
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/* ANALOG_CONTROL_2 (0x6a) */
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#define NAU8825_HP_NON_CLASSG_CURRENT_2xADJ (1 << 12)
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#define NAU8825_DAC_CAPACITOR_MSB (1 << 1)
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#define NAU8825_DAC_CAPACITOR_LSB (1 << 0)
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/* ANALOG_ADC_2 (0x72) */
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#define NAU8825_ADC_VREFSEL_MASK (0x3 << 8)
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#define NAU8825_ADC_VREFSEL_ANALOG (0 << 8)
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#define NAU8825_ADC_VREFSEL_VMID (1 << 8)
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#define NAU8825_ADC_VREFSEL_VMID_PLUS_0_5DB (2 << 8)
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#define NAU8825_ADC_VREFSEL_VMID_PLUS_1DB (3 << 8)
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#define NAU8825_POWERUP_ADCL (1 << 6)
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/* RDAC (0x73) */
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#define NAU8825_RDAC_FS_BCLK_ENB (1 << 15)
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#define NAU8825_RDAC_EN_SFT 12
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#define NAU8825_RDAC_EN (0x3 << NAU8825_RDAC_EN_SFT)
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#define NAU8825_RDAC_CLK_EN_SFT 8
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#define NAU8825_RDAC_CLK_EN (0x3 << NAU8825_RDAC_CLK_EN_SFT)
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#define NAU8825_RDAC_CLK_DELAY_SFT 4
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#define NAU8825_RDAC_CLK_DELAY_MASK (0x7 << NAU8825_RDAC_CLK_DELAY_SFT)
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#define NAU8825_RDAC_VREF_SFT 2
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#define NAU8825_RDAC_VREF_MASK (0x3 << NAU8825_RDAC_VREF_SFT)
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/* MIC_BIAS (0x74) */
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#define NAU8825_MICBIAS_JKSLV (1 << 14)
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#define NAU8825_MICBIAS_JKR2 (1 << 12)
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#define NAU8825_MICBIAS_POWERUP_SFT 8
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#define NAU8825_MICBIAS_VOLTAGE_SFT 0
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#define NAU8825_MICBIAS_VOLTAGE_MASK 0x7
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/* BOOST (0x76) */
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#define NAU8825_PRECHARGE_DIS (1 << 13)
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#define NAU8825_GLOBAL_BIAS_EN (1 << 12)
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#define NAU8825_HP_BOOST_DIS (1 << 9)
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#define NAU8825_HP_BOOST_G_DIS (1 << 8)
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#define NAU8825_SHORT_SHUTDOWN_EN (1 << 6)
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/* POWER_UP_CONTROL (0x7f) */
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#define NAU8825_POWERUP_INTEGR_R (1 << 5)
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#define NAU8825_POWERUP_INTEGR_L (1 << 4)
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#define NAU8825_POWERUP_DRV_IN_R (1 << 3)
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#define NAU8825_POWERUP_DRV_IN_L (1 << 2)
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#define NAU8825_POWERUP_HP_DRV_R (1 << 1)
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#define NAU8825_POWERUP_HP_DRV_L (1 << 0)
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/* CHARGE_PUMP (0x80) */
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#define NAU8825_JAMNODCLOW (1 << 10)
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#define NAU8825_POWER_DOWN_DACR (1 << 9)
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#define NAU8825_POWER_DOWN_DACL (1 << 8)
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#define NAU8825_CHANRGE_PUMP_EN (1 << 5)
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/* System Clock Source */
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enum {
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NAU8825_CLK_DIS = 0,
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NAU8825_CLK_MCLK,
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NAU8825_CLK_INTERNAL,
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NAU8825_CLK_FLL_MCLK,
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NAU8825_CLK_FLL_BLK,
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NAU8825_CLK_FLL_FS,
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};
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/* Cross talk detection state */
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enum {
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NAU8825_XTALK_PREPARE = 0,
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NAU8825_XTALK_HPR_R2L,
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NAU8825_XTALK_HPL_R2L,
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NAU8825_XTALK_IMM,
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NAU8825_XTALK_DONE,
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};
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struct nau8825 {
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struct device *dev;
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struct regmap *regmap;
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struct snd_soc_dapm_context *dapm;
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struct snd_soc_jack *jack;
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struct clk *mclk;
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struct work_struct xtalk_work;
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struct semaphore xtalk_sem;
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int irq;
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int mclk_freq; /* 0 - mclk is disabled */
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int button_pressed;
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int micbias_voltage;
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int vref_impedance;
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bool jkdet_enable;
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bool jkdet_pull_enable;
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bool jkdet_pull_up;
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int jkdet_polarity;
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int sar_threshold_num;
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int sar_threshold[8];
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int sar_hysteresis;
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int sar_voltage;
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int sar_compare_time;
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int sar_sampling_time;
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int key_debounce;
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int jack_insert_debounce;
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int jack_eject_debounce;
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int high_imped;
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int xtalk_state;
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int xtalk_event;
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int xtalk_event_mask;
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bool xtalk_protect;
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int imp_rms[NAU8825_XTALK_IMM];
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};
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int nau8825_enable_jack_detect(struct snd_soc_codec *codec,
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struct snd_soc_jack *jack);
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#endif /* __NAU8825_H__ */
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