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/*
* NAU8825 ALSA SoC audio driver
*
* Copyright 2015 Google Inc.
* Author: Anatol Pomozov <anatol.pomozov@chrominium.org>
*
* 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 __NAU8825_H__
#define __NAU8825_H__
#define NAU8825_REG_RESET 0x00
#define NAU8825_REG_ENA_CTRL 0x01
#define NAU8825_REG_CLK_DIVIDER 0x03
#define NAU8825_REG_FLL1 0x04
#define NAU8825_REG_FLL2 0x05
#define NAU8825_REG_FLL3 0x06
#define NAU8825_REG_FLL4 0x07
#define NAU8825_REG_FLL5 0x08
#define NAU8825_REG_FLL6 0x09
#define NAU8825_REG_FLL_VCO_RSV 0x0a
#define NAU8825_REG_HSD_CTRL 0x0c
#define NAU8825_REG_JACK_DET_CTRL 0x0d
#define NAU8825_REG_INTERRUPT_MASK 0x0f
#define NAU8825_REG_IRQ_STATUS 0x10
#define NAU8825_REG_INT_CLR_KEY_STATUS 0x11
#define NAU8825_REG_INTERRUPT_DIS_CTRL 0x12
#define NAU8825_REG_SAR_CTRL 0x13
#define NAU8825_REG_KEYDET_CTRL 0x14
#define NAU8825_REG_VDET_THRESHOLD_1 0x15
#define NAU8825_REG_VDET_THRESHOLD_2 0x16
#define NAU8825_REG_VDET_THRESHOLD_3 0x17
#define NAU8825_REG_VDET_THRESHOLD_4 0x18
#define NAU8825_REG_GPIO34_CTRL 0x19
#define NAU8825_REG_GPIO12_CTRL 0x1a
#define NAU8825_REG_TDM_CTRL 0x1b
#define NAU8825_REG_I2S_PCM_CTRL1 0x1c
#define NAU8825_REG_I2S_PCM_CTRL2 0x1d
#define NAU8825_REG_LEFT_TIME_SLOT 0x1e
#define NAU8825_REG_RIGHT_TIME_SLOT 0x1f
#define NAU8825_REG_BIQ_CTRL 0x20
#define NAU8825_REG_BIQ_COF1 0x21
#define NAU8825_REG_BIQ_COF2 0x22
#define NAU8825_REG_BIQ_COF3 0x23
#define NAU8825_REG_BIQ_COF4 0x24
#define NAU8825_REG_BIQ_COF5 0x25
#define NAU8825_REG_BIQ_COF6 0x26
#define NAU8825_REG_BIQ_COF7 0x27
#define NAU8825_REG_BIQ_COF8 0x28
#define NAU8825_REG_BIQ_COF9 0x29
#define NAU8825_REG_BIQ_COF10 0x2a
#define NAU8825_REG_ADC_RATE 0x2b
#define NAU8825_REG_DAC_CTRL1 0x2c
#define NAU8825_REG_DAC_CTRL2 0x2d
#define NAU8825_REG_DAC_DGAIN_CTRL 0x2f
#define NAU8825_REG_ADC_DGAIN_CTRL 0x30
#define NAU8825_REG_MUTE_CTRL 0x31
#define NAU8825_REG_HSVOL_CTRL 0x32
#define NAU8825_REG_DACL_CTRL 0x33
#define NAU8825_REG_DACR_CTRL 0x34
#define NAU8825_REG_ADC_DRC_KNEE_IP12 0x38
#define NAU8825_REG_ADC_DRC_KNEE_IP34 0x39
#define NAU8825_REG_ADC_DRC_SLOPES 0x3a
#define NAU8825_REG_ADC_DRC_ATKDCY 0x3b
#define NAU8825_REG_DAC_DRC_KNEE_IP12 0x45
#define NAU8825_REG_DAC_DRC_KNEE_IP34 0x46
#define NAU8825_REG_DAC_DRC_SLOPES 0x47
#define NAU8825_REG_DAC_DRC_ATKDCY 0x48
#define NAU8825_REG_IMM_MODE_CTRL 0x4c
#define NAU8825_REG_IMM_RMS_L 0x4d
#define NAU8825_REG_IMM_RMS_R 0x4e
#define NAU8825_REG_CLASSG_CTRL 0x50
#define NAU8825_REG_OPT_EFUSE_CTRL 0x51
#define NAU8825_REG_MISC_CTRL 0x55
#define NAU8825_REG_I2C_DEVICE_ID 0x58
#define NAU8825_REG_SARDOUT_RAM_STATUS 0x59
#define NAU8825_REG_BIAS_ADJ 0x66
#define NAU8825_REG_TRIM_SETTINGS 0x68
#define NAU8825_REG_ANALOG_CONTROL_1 0x69
#define NAU8825_REG_ANALOG_CONTROL_2 0x6a
#define NAU8825_REG_ANALOG_ADC_1 0x71
#define NAU8825_REG_ANALOG_ADC_2 0x72
#define NAU8825_REG_RDAC 0x73
#define NAU8825_REG_MIC_BIAS 0x74
#define NAU8825_REG_BOOST 0x76
#define NAU8825_REG_FEPGA 0x77
#define NAU8825_REG_POWER_UP_CONTROL 0x7f
#define NAU8825_REG_CHARGE_PUMP 0x80
#define NAU8825_REG_CHARGE_PUMP_INPUT_READ 0x81
#define NAU8825_REG_GENERAL_STATUS 0x82
#define NAU8825_REG_MAX NAU8825_REG_GENERAL_STATUS
/* ENA_CTRL (0x1) */
#define NAU8825_ENABLE_DACR_SFT 10
#define NAU8825_ENABLE_DACR (1 << NAU8825_ENABLE_DACR_SFT)
#define NAU8825_ENABLE_DACL_SFT 9
#define NAU8825_ENABLE_ADC_SFT 8
#define NAU8825_ENABLE_SAR_SFT 1
/* CLK_DIVIDER (0x3) */
#define NAU8825_CLK_SRC_SFT 15
#define NAU8825_CLK_SRC_MASK (1 << NAU8825_CLK_SRC_SFT)
#define NAU8825_CLK_SRC_VCO (1 << NAU8825_CLK_SRC_SFT)
#define NAU8825_CLK_SRC_MCLK (0 << NAU8825_CLK_SRC_SFT)
#define NAU8825_CLK_MCLK_SRC_MASK (0xf << 0)
/* FLL1 (0x04) */
#define NAU8825_FLL_RATIO_MASK (0x7f << 0)
/* FLL3 (0x06) */
#define NAU8825_FLL_INTEGER_MASK (0x3ff << 0)
#define NAU8825_FLL_CLK_SRC_SFT 10
#define NAU8825_FLL_CLK_SRC_MASK (0x3 << NAU8825_FLL_CLK_SRC_SFT)
#define NAU8825_FLL_CLK_SRC_MCLK (0 << NAU8825_FLL_CLK_SRC_SFT)
#define NAU8825_FLL_CLK_SRC_BLK (0x2 << NAU8825_FLL_CLK_SRC_SFT)
#define NAU8825_FLL_CLK_SRC_FS (0x3 << NAU8825_FLL_CLK_SRC_SFT)
/* FLL4 (0x07) */
#define NAU8825_FLL_REF_DIV_MASK (0x3 << 10)
/* FLL5 (0x08) */
#define NAU8825_FLL_PDB_DAC_EN (0x1 << 15)
#define NAU8825_FLL_LOOP_FTR_EN (0x1 << 14)
#define NAU8825_FLL_CLK_SW_MASK (0x1 << 13)
#define NAU8825_FLL_CLK_SW_N2 (0x1 << 13)
#define NAU8825_FLL_CLK_SW_REF (0x0 << 13)
#define NAU8825_FLL_FTR_SW_MASK (0x1 << 12)
#define NAU8825_FLL_FTR_SW_ACCU (0x1 << 12)
#define NAU8825_FLL_FTR_SW_FILTER (0x0 << 12)
/* FLL6 (0x9) */
#define NAU8825_DCO_EN (0x1 << 15)
#define NAU8825_SDM_EN (0x1 << 14)
/* HSD_CTRL (0xc) */
#define NAU8825_HSD_AUTO_MODE (1 << 6)
/* 0 - short to GND, 1 - open */
#define NAU8825_SPKR_DWN1R (1 << 1)
#define NAU8825_SPKR_DWN1L (1 << 0)
/* JACK_DET_CTRL (0xd) */
#define NAU8825_JACK_DET_RESTART (1 << 9)
#define NAU8825_JACK_INSERT_DEBOUNCE_SFT 5
#define NAU8825_JACK_INSERT_DEBOUNCE_MASK (0x7 << NAU8825_JACK_INSERT_DEBOUNCE_SFT)
#define NAU8825_JACK_EJECT_DEBOUNCE_SFT 2
#define NAU8825_JACK_EJECT_DEBOUNCE_MASK (0x7 << NAU8825_JACK_EJECT_DEBOUNCE_SFT)
#define NAU8825_JACK_POLARITY (1 << 1) /* 0 - active low, 1 - active high */
/* INTERRUPT_MASK (0xf) */
#define NAU8825_IRQ_OUTPUT_EN (1 << 11)
#define NAU8825_IRQ_HEADSET_COMPLETE_EN (1 << 10)
#define NAU8825_IRQ_KEY_RELEASE_EN (1 << 7)
#define NAU8825_IRQ_KEY_SHORT_PRESS_EN (1 << 5)
#define NAU8825_IRQ_EJECT_EN (1 << 2)
/* IRQ_STATUS (0x10) */
#define NAU8825_HEADSET_COMPLETION_IRQ (1 << 10)
#define NAU8825_SHORT_CIRCUIT_IRQ (1 << 9)
#define NAU8825_IMPEDANCE_MEAS_IRQ (1 << 8)
#define NAU8825_KEY_IRQ_MASK (0x7 << 5)
#define NAU8825_KEY_RELEASE_IRQ (1 << 7)
#define NAU8825_KEY_LONG_PRESS_IRQ (1 << 6)
#define NAU8825_KEY_SHORT_PRESS_IRQ (1 << 5)
#define NAU8825_MIC_DETECTION_IRQ (1 << 4)
#define NAU8825_JACK_EJECTION_IRQ_MASK (3 << 2)
#define NAU8825_JACK_EJECTION_DETECTED (1 << 2)
#define NAU8825_JACK_INSERTION_IRQ_MASK (3 << 0)
#define NAU8825_JACK_INSERTION_DETECTED (1 << 0)
/* INTERRUPT_DIS_CTRL (0x12) */
#define NAU8825_IRQ_HEADSET_COMPLETE_DIS (1 << 10)
#define NAU8825_IRQ_KEY_RELEASE_DIS (1 << 7)
#define NAU8825_IRQ_KEY_SHORT_PRESS_DIS (1 << 5)
#define NAU8825_IRQ_EJECT_DIS (1 << 2)
/* SAR_CTRL (0x13) */
#define NAU8825_SAR_ADC_EN_SFT 12
#define NAU8825_SAR_ADC_EN (1 << NAU8825_SAR_ADC_EN_SFT)
#define NAU8825_SAR_INPUT_MASK (1 << 11)
#define NAU8825_SAR_INPUT_JKSLV (1 << 11)
#define NAU8825_SAR_INPUT_JKR2 (0 << 11)
#define NAU8825_SAR_TRACKING_GAIN_SFT 8
#define NAU8825_SAR_TRACKING_GAIN_MASK (0x7 << NAU8825_SAR_TRACKING_GAIN_SFT)
#define NAU8825_SAR_COMPARE_TIME_SFT 2
#define NAU8825_SAR_COMPARE_TIME_MASK (3 << 2)
#define NAU8825_SAR_SAMPLING_TIME_SFT 0
#define NAU8825_SAR_SAMPLING_TIME_MASK (3 << 0)
/* KEYDET_CTRL (0x14) */
#define NAU8825_KEYDET_SHORTKEY_DEBOUNCE_SFT 12
#define NAU8825_KEYDET_SHORTKEY_DEBOUNCE_MASK (0x3 << NAU8825_KEYDET_SHORTKEY_DEBOUNCE_SFT)
#define NAU8825_KEYDET_LEVELS_NR_SFT 8
#define NAU8825_KEYDET_LEVELS_NR_MASK (0x7 << 8)
#define NAU8825_KEYDET_HYSTERESIS_SFT 0
#define NAU8825_KEYDET_HYSTERESIS_MASK 0xf
/* GPIO12_CTRL (0x1a) */
#define NAU8825_JKDET_PULL_UP (1 << 11) /* 0 - pull down, 1 - pull up */
#define NAU8825_JKDET_PULL_EN (1 << 9) /* 0 - enable pull, 1 - disable */
#define NAU8825_JKDET_OUTPUT_EN (1 << 8) /* 0 - enable input, 1 - enable output */
/* I2S_PCM_CTRL1 (0x1c) */
#define NAU8825_I2S_BP_SFT 7
#define NAU8825_I2S_BP_MASK (1 << NAU8825_I2S_BP_SFT)
#define NAU8825_I2S_BP_INV (1 << NAU8825_I2S_BP_SFT)
#define NAU8825_I2S_PCMB_SFT 6
#define NAU8825_I2S_PCMB_MASK (1 << NAU8825_I2S_PCMB_SFT)
#define NAU8825_I2S_PCMB_EN (1 << NAU8825_I2S_PCMB_SFT)
#define NAU8825_I2S_DL_SFT 2
#define NAU8825_I2S_DL_MASK (0x3 << NAU8825_I2S_DL_SFT)
#define NAU8825_I2S_DL_16 (0 << NAU8825_I2S_DL_SFT)
#define NAU8825_I2S_DL_20 (1 << NAU8825_I2S_DL_SFT)
#define NAU8825_I2S_DL_24 (2 << NAU8825_I2S_DL_SFT)
#define NAU8825_I2S_DL_32 (3 << NAU8825_I2S_DL_SFT)
#define NAU8825_I2S_DF_SFT 0
#define NAU8825_I2S_DF_MASK (0x3 << NAU8825_I2S_DF_SFT)
#define NAU8825_I2S_DF_RIGTH (0 << NAU8825_I2S_DF_SFT)
#define NAU8825_I2S_DF_LEFT (1 << NAU8825_I2S_DF_SFT)
#define NAU8825_I2S_DF_I2S (2 << NAU8825_I2S_DF_SFT)
#define NAU8825_I2S_DF_PCM_AB (3 << NAU8825_I2S_DF_SFT)
/* I2S_PCM_CTRL2 (0x1d) */
#define NAU8825_I2S_TRISTATE (1 << 15) /* 0 - normal mode, 1 - Hi-Z output */
#define NAU8825_I2S_MS_SFT 3
#define NAU8825_I2S_MS_MASK (1 << NAU8825_I2S_MS_SFT)
#define NAU8825_I2S_MS_MASTER (1 << NAU8825_I2S_MS_SFT)
#define NAU8825_I2S_MS_SLAVE (0 << NAU8825_I2S_MS_SFT)
/* ADC_RATE (0x2b) */
#define NAU8825_ADC_SYNC_DOWN_SFT 0
#define NAU8825_ADC_SYNC_DOWN_MASK 0x3
#define NAU8825_ADC_SYNC_DOWN_32 0
#define NAU8825_ADC_SYNC_DOWN_64 1
#define NAU8825_ADC_SYNC_DOWN_128 2
#define NAU8825_ADC_SYNC_DOWN_256 3
/* DAC_CTRL1 (0x2c) */
#define NAU8825_DAC_CLIP_OFF (1 << 7)
#define NAU8825_DAC_OVERSAMPLE_SFT 0
#define NAU8825_DAC_OVERSAMPLE_MASK 0x7
#define NAU8825_DAC_OVERSAMPLE_64 0
#define NAU8825_DAC_OVERSAMPLE_256 1
#define NAU8825_DAC_OVERSAMPLE_128 2
#define NAU8825_DAC_OVERSAMPLE_32 4
/* MUTE_CTRL (0x31) */
#define NAU8825_DAC_ZERO_CROSSING_EN (1 << 9)
#define NAU8825_DAC_SOFT_MUTE (1 << 9)
/* HSVOL_CTRL (0x32) */
#define NAU8825_HP_MUTE (1 << 15)
/* DACL_CTRL (0x33) */
#define NAU8825_DACL_CH_SEL_SFT 9
/* DACR_CTRL (0x34) */
#define NAU8825_DACR_CH_SEL_SFT 9
/* I2C_DEVICE_ID (0x58) */
#define NAU8825_GPIO2JD1 (1 << 7)
#define NAU8825_SOFTWARE_ID_MASK 0x3
#define NAU8825_SOFTWARE_ID_NAU8825 0x0
/* BIAS_ADJ (0x66) */
#define NAU8825_BIAS_TESTDAC_MASK 0x300
#define NAU8825_BIAS_VMID (1 << 6)
#define NAU8825_BIAS_VMID_SEL_SFT 4
#define NAU8825_BIAS_VMID_SEL_MASK (3 << NAU8825_BIAS_VMID_SEL_SFT)
/* ANALOG_CONTROL_2 (0x6a) */
#define NAU8825_HP_NON_CLASSG_CURRENT_2xADJ (1 << 12)
#define NAU8825_DAC_CAPACITOR_MSB (1 << 1)
#define NAU8825_DAC_CAPACITOR_LSB (1 << 0)
/* ANALOG_ADC_2 (0x72) */
#define NAU8825_ADC_VREFSEL_MASK (0x3 << 8)
#define NAU8825_ADC_VREFSEL_ANALOG (0 << 8)
#define NAU8825_ADC_VREFSEL_VMID (1 << 8)
#define NAU8825_ADC_VREFSEL_VMID_PLUS_0_5DB (2 << 8)
#define NAU8825_ADC_VREFSEL_VMID_PLUS_1DB (3 << 8)
#define NAU8825_POWERUP_ADCL (1 << 6)
/* MIC_BIAS (0x74) */
#define NAU8825_MICBIAS_JKSLV (1 << 14)
#define NAU8825_MICBIAS_JKR2 (1 << 12)
#define NAU8825_MICBIAS_POWERUP_SFT 8
#define NAU8825_MICBIAS_VOLTAGE_SFT 0
#define NAU8825_MICBIAS_VOLTAGE_MASK 0x7
/* BOOST (0x76) */
#define NAU8825_PRECHARGE_DIS (1 << 13)
#define NAU8825_GLOBAL_BIAS_EN (1 << 12)
#define NAU8825_HP_BOOST_G_DIS (1 << 8)
#define NAU8825_SHORT_SHUTDOWN_EN (1 << 6)
/* POWER_UP_CONTROL (0x7f) */
#define NAU8825_POWERUP_INTEGR_R (1 << 5)
#define NAU8825_POWERUP_INTEGR_L (1 << 4)
#define NAU8825_POWERUP_DRV_IN_R (1 << 3)
#define NAU8825_POWERUP_DRV_IN_L (1 << 2)
#define NAU8825_POWERUP_HP_DRV_R (1 << 1)
#define NAU8825_POWERUP_HP_DRV_L (1 << 0)
/* CHARGE_PUMP (0x80) */
#define NAU8825_JAMNODCLOW (1 << 10)
#define NAU8825_POWER_DOWN_DACR (1 << 9)
#define NAU8825_POWER_DOWN_DACL (1 << 8)
#define NAU8825_CHANRGE_PUMP_EN (1 << 5)
/* System Clock Source */
enum {
NAU8825_CLK_MCLK = 0,
NAU8825_CLK_INTERNAL,
NAU8825_CLK_FLL_MCLK,
NAU8825_CLK_FLL_BLK,
NAU8825_CLK_FLL_FS,
};
struct nau8825 {
struct device *dev;
struct regmap *regmap;
struct snd_soc_dapm_context *dapm;
struct snd_soc_jack *jack;
struct clk *mclk;
int irq;
int mclk_freq; /* 0 - mclk is disabled */
int button_pressed;
int micbias_voltage;
int vref_impedance;
bool jkdet_enable;
bool jkdet_pull_enable;
bool jkdet_pull_up;
int jkdet_polarity;
int sar_threshold_num;
int sar_threshold[8];
int sar_hysteresis;
int sar_voltage;
int sar_compare_time;
int sar_sampling_time;
int key_debounce;
int jack_insert_debounce;
int jack_eject_debounce;
};
int nau8825_enable_jack_detect(struct snd_soc_codec *codec,
struct snd_soc_jack *jack);
#endif /* __NAU8825_H__ */