/* SPDX-License-Identifier: GPL-2.0 */ /* * PDM Microphone Interface for the NXP i.MX SoC * Copyright 2018 NXP */ #ifndef _FSL_MICFIL_H #define _FSL_MICFIL_H /* MICFIL Register Map */ #define REG_MICFIL_CTRL1 0x00 #define REG_MICFIL_CTRL2 0x04 #define REG_MICFIL_STAT 0x08 #define REG_MICFIL_FIFO_CTRL 0x10 #define REG_MICFIL_FIFO_STAT 0x14 #define REG_MICFIL_DATACH0 0x24 #define REG_MICFIL_DATACH1 0x28 #define REG_MICFIL_DATACH2 0x2C #define REG_MICFIL_DATACH3 0x30 #define REG_MICFIL_DATACH4 0x34 #define REG_MICFIL_DATACH5 0x38 #define REG_MICFIL_DATACH6 0x3C #define REG_MICFIL_DATACH7 0x40 #define REG_MICFIL_DC_CTRL 0x64 #define REG_MICFIL_OUT_CTRL 0x74 #define REG_MICFIL_OUT_STAT 0x7C #define REG_MICFIL_VAD0_CTRL1 0x90 #define REG_MICFIL_VAD0_CTRL2 0x94 #define REG_MICFIL_VAD0_STAT 0x98 #define REG_MICFIL_VAD0_SCONFIG 0x9C #define REG_MICFIL_VAD0_NCONFIG 0xA0 #define REG_MICFIL_VAD0_NDATA 0xA4 #define REG_MICFIL_VAD0_ZCD 0xA8 /* MICFIL Control Register 1 -- REG_MICFILL_CTRL1 0x00 */ #define MICFIL_CTRL1_MDIS BIT(31) #define MICFIL_CTRL1_DOZEN BIT(30) #define MICFIL_CTRL1_PDMIEN BIT(29) #define MICFIL_CTRL1_DBG BIT(28) #define MICFIL_CTRL1_SRES BIT(27) #define MICFIL_CTRL1_DBGE BIT(26) #define MICFIL_CTRL1_DISEL_DISABLE 0 #define MICFIL_CTRL1_DISEL_DMA 1 #define MICFIL_CTRL1_DISEL_IRQ 2 #define MICFIL_CTRL1_DISEL GENMASK(25, 24) #define MICFIL_CTRL1_ERREN BIT(23) #define MICFIL_CTRL1_CHEN(ch) BIT(ch) /* MICFIL Control Register 2 -- REG_MICFILL_CTRL2 0x04 */ #define MICFIL_CTRL2_QSEL_SHIFT 25 #define MICFIL_CTRL2_QSEL GENMASK(27, 25) #define MICFIL_QSEL_MEDIUM_QUALITY 0 #define MICFIL_QSEL_HIGH_QUALITY 1 #define MICFIL_QSEL_LOW_QUALITY 7 #define MICFIL_QSEL_VLOW0_QUALITY 6 #define MICFIL_QSEL_VLOW1_QUALITY 5 #define MICFIL_QSEL_VLOW2_QUALITY 4 #define MICFIL_CTRL2_CICOSR GENMASK(19, 16) #define MICFIL_CTRL2_CICOSR_DEFAULT 0 #define MICFIL_CTRL2_CLKDIV GENMASK(7, 0) /* MICFIL Status Register -- REG_MICFIL_STAT 0x08 */ #define MICFIL_STAT_BSY_FIL BIT(31) #define MICFIL_STAT_FIR_RDY BIT(30) #define MICFIL_STAT_LOWFREQF BIT(29) #define MICFIL_STAT_CHXF(ch) BIT(ch) /* MICFIL FIFO Control Register -- REG_MICFIL_FIFO_CTRL 0x10 */ #define MICFIL_FIFO_CTRL_FIFOWMK GENMASK(2, 0) /* MICFIL FIFO Status Register -- REG_MICFIL_FIFO_STAT 0x14 */ #define MICFIL_FIFO_STAT_FIFOX_OVER(ch) BIT(ch) #define MICFIL_FIFO_STAT_FIFOX_UNDER(ch) BIT((ch) + 8) /* MICFIL HWVAD0 Control 1 Register -- REG_MICFIL_VAD0_CTRL1*/ #define MICFIL_VAD0_CTRL1_CHSEL_SHIFT GENMASK(26, 24) #define MICFIL_VAD0_CTRL1_CICOSR_SHIFT GENMASK(19, 16) #define MICFIL_VAD0_CTRL1_INITT_SHIFT GENMASK(12, 8) #define MICFIL_VAD0_CTRL1_ST10 BIT(4) #define MICFIL_VAD0_CTRL1_ERIE BIT(3) #define MICFIL_VAD0_CTRL1_IE BIT(2) #define MICFIL_VAD0_CTRL1_RST BIT(1) #define MICFIL_VAD0_CTRL1_EN BIT(0) /* MICFIL HWVAD0 Control 2 Register -- REG_MICFIL_VAD0_CTRL2*/ #define MICFIL_VAD0_CTRL2_FRENDIS BIT(31) #define MICFIL_VAD0_CTRL2_PREFEN BIT(30) #define MICFIL_VAD0_CTRL2_FOUTDIS BIT(28) #define MICFIL_VAD0_CTRL2_FRAMET GENMASK(21, 16) #define MICFIL_VAD0_CTRL2_INPGAIN GENMASK(11, 8) #define MICFIL_VAD0_CTRL2_HPF GENMASK(1, 0) /* MICFIL HWVAD0 Signal CONFIG Register -- REG_MICFIL_VAD0_SCONFIG */ #define MICFIL_VAD0_SCONFIG_SFILEN BIT(31) #define MICFIL_VAD0_SCONFIG_SMAXEN BIT(30) #define MICFIL_VAD0_SCONFIG_SGAIN GENMASK(3, 0) /* MICFIL HWVAD0 Noise CONFIG Register -- REG_MICFIL_VAD0_NCONFIG */ #define MICFIL_VAD0_NCONFIG_NFILAUT BIT(31) #define MICFIL_VAD0_NCONFIG_NMINEN BIT(30) #define MICFIL_VAD0_NCONFIG_NDECEN BIT(29) #define MICFIL_VAD0_NCONFIG_NOREN BIT(28) #define MICFIL_VAD0_NCONFIG_NFILADJ GENMASK(12, 8) #define MICFIL_VAD0_NCONFIG_NGAIN GENMASK(3, 0) /* MICFIL HWVAD0 Zero-Crossing Detector - REG_MICFIL_VAD0_ZCD */ #define MICFIL_VAD0_ZCD_ZCDTH GENMASK(25, 16) #define MICFIL_VAD0_ZCD_ZCDADJ_SHIFT GENMASK(11, 8) #define MICFIL_VAD0_ZCD_ZCDAND BIT(4) #define MICFIL_VAD0_ZCD_ZCDAUT BIT(2) #define MICFIL_VAD0_ZCD_ZCDEN BIT(0) /* MICFIL HWVAD0 Status Register - REG_MICFIL_VAD0_STAT */ #define MICFIL_VAD0_STAT_INITF BIT(31) #define MICFIL_VAD0_STAT_INSATF BIT(16) #define MICFIL_VAD0_STAT_EF BIT(15) #define MICFIL_VAD0_STAT_IF BIT(0) /* MICFIL Output Control Register */ #define MICFIL_OUTGAIN_CHX_SHIFT(v) (4 * (v)) /* Constants */ #define MICFIL_OUTPUT_CHANNELS 8 #define MICFIL_FIFO_NUM 8 #define FIFO_PTRWID 3 #define FIFO_LEN BIT(FIFO_PTRWID) #define MICFIL_IRQ_LINES 2 #define MICFIL_MAX_RETRY 25 #define MICFIL_SLEEP_MIN 90000 /* in us */ #define MICFIL_SLEEP_MAX 100000 /* in us */ #define MICFIL_DMA_MAXBURST_RX 6 #endif /* _FSL_MICFIL_H */