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fa25b4f59f
The sequence of crosstalk measurement is not robust. The driver add more protections to make it stronger. The improvements as follows: (1)Give backup table the default value. The values are the same with the default of hardware registers. The impact will decline once restoring the backup table in the wrong way. (2)Add xtalk_baktab_initialized flag. The flag can keep the initiation status of backup table. It helps to backup and restore the backup-table correctly. (3)Add cancel parameter in the restore function. The volume ramping should do in crosstalk DONE state only. Otherwise, the delay action is not allowed because the restore may happen during the jack eject interruption. (4)Add xtalk_protect condition check before scheduling work in ISR. It makes sure the semaphore hold during the crosstalk measurement. The sequence is still under protection from playback interference. Signed-off-by: John Hsu <KCHSU0@nuvoton.com> Signed-off-by: Mark Brown <broonie@kernel.org>
488 lines
17 KiB
C
488 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_ADC_SRC_SFT 6
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#define NAU8825_CLK_ADC_SRC_MASK (0x3 << NAU8825_CLK_ADC_SRC_SFT)
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#define NAU8825_CLK_DAC_SRC_SFT 4
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#define NAU8825_CLK_DAC_SRC_MASK (0x3 << NAU8825_CLK_DAC_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_ICTRL_LATCH_SFT 10
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#define NAU8825_ICTRL_LATCH_MASK (0x7 << NAU8825_ICTRL_LATCH_SFT)
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#define NAU8825_FLL_RATIO_MASK (0x7f << 0)
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/* FLL3 (0x06) */
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#define NAU8825_GAIN_ERR_SFT 12
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#define NAU8825_GAIN_ERR_MASK (0xf << NAU8825_GAIN_ERR_SFT)
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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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#define NAU8825_CUTOFF500 (0x1 << 13)
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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_LRC_DIV_SFT 12
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#define NAU8825_I2S_LRC_DIV_MASK (0x3 << NAU8825_I2S_LRC_DIV_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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/* LEFT_TIME_SLOT (0x1e) */
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#define NAU8825_FS_ERR_CMP_SEL_SFT 14
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#define NAU8825_FS_ERR_CMP_SEL_MASK (0x3 << NAU8825_FS_ERR_CMP_SEL_SFT)
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#define NAU8825_DIS_FS_SHORT_DET (1 << 13)
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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_SINC4_SFT 4
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#define NAU8825_ADC_SINC4_EN (1 << NAU8825_ADC_SINC4_SFT)
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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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int xtalk_enable;
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bool xtalk_baktab_initialized; /* True if initialized. */
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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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