/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* * 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 0 x00#define REG_MICFIL_CTRL2 0 x04#define REG_MICFIL_STAT 0 x08#define REG_MICFIL_FIFO_CTRL 0 x10#define REG_MICFIL_FIFO_STAT 0 x14#define REG_MICFIL_DATACH0 0 x24#define REG_MICFIL_DATACH1 0 x28#define REG_MICFIL_DATACH2 0 x2C#define REG_MICFIL_DATACH3 0 x30#define REG_MICFIL_DATACH4 0 x34#define REG_MICFIL_DATACH5 0 x38#define REG_MICFIL_DATACH6 0 x3C#define REG_MICFIL_DATACH7 0 x40#define REG_MICFIL_DC_CTRL 0 x64#define REG_MICFIL_OUT_CTRL 0 x74#define REG_MICFIL_OUT_STAT 0 x7C#define REG_MICFIL_FSYNC_CTRL 0 x80#define REG_MICFIL_VERID 0 x84#define REG_MICFIL_PARAM 0 x88#define REG_MICFIL_VAD0_CTRL1 0 x90#define REG_MICFIL_VAD0_CTRL2 0 x94#define REG_MICFIL_VAD0_STAT 0 x98#define REG_MICFIL_VAD0_SCONFIG 0 x9C#define REG_MICFIL_VAD0_NCONFIG 0 xA0#define REG_MICFIL_VAD0_NDATA 0 xA4#define REG_MICFIL_VAD0_ZCD 0 xA8/* 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_DECFILS BIT(20 )#define MICFIL_CTRL1_FSYNCEN BIT(16 )#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_DEC_BYPASS BIT(31 )#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(20 , 16 )#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(4 , 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 DC Remover Control Register -- REG_MICFIL_DC_CTRL */ #define MICFIL_DC_CTRL_CONFIG GENMASK(15 , 0 )#define MICFIL_DC_CHX_SHIFT(ch) ((ch) << 1 )#define MICFIL_DC_CHX(ch) GENMASK((((ch) << 1 ) + 1 ), ((ch) << 1 ))#define MICFIL_DC_CUTOFF_21HZ 0 #define MICFIL_DC_CUTOFF_83HZ 1 #define MICFIL_DC_CUTOFF_152Hz 2 #define MICFIL_DC_BYPASS 3 /* MICFIL VERID Register -- REG_MICFIL_VERID */ #define MICFIL_VERID_MAJOR_SHIFT 24 #define MICFIL_VERID_MAJOR_MASK GENMASK(31 , 24 )#define MICFIL_VERID_MINOR_SHIFT 16 #define MICFIL_VERID_MINOR_MASK GENMASK(23 , 16 )#define MICFIL_VERID_FEATURE_SHIFT 0 #define MICFIL_VERID_FEATURE_MASK GENMASK(15 , 0 )/* MICFIL PARAM Register -- REG_MICFIL_PARAM */ #define MICFIL_PARAM_NUM_HWVAD_SHIFT 24 #define MICFIL_PARAM_NUM_HWVAD_MASK GENMASK(27 , 24 )#define MICFIL_PARAM_HWVAD_ZCD BIT(19 )#define MICFIL_PARAM_HWVAD_ENERGY_MODE BIT(17 )#define MICFIL_PARAM_HWVAD BIT(16 )#define MICFIL_PARAM_DC_OUT_BYPASS BIT(11 )#define MICFIL_PARAM_DC_IN_BYPASS BIT(10 )#define MICFIL_PARAM_LOW_POWER BIT(9 )#define MICFIL_PARAM_FIL_OUT_WIDTH BIT(8 )#define MICFIL_PARAM_FIFO_PTRWID_SHIFT 4 #define MICFIL_PARAM_FIFO_PTRWID_MASK GENMASK(7 , 4 )#define MICFIL_PARAM_NPAIR_SHIFT 0 #define MICFIL_PARAM_NPAIR_MASK GENMASK(3 , 0 )/* MICFIL HWVAD0 Control 1 Register -- REG_MICFIL_VAD0_CTRL1*/ #define MICFIL_VAD0_CTRL1_CHSEL GENMASK(26 , 24 )#define MICFIL_VAD0_CTRL1_CICOSR GENMASK(19 , 16 )#define MICFIL_VAD0_CTRL1_INITT 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 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 4 #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 /* HWVAD Constants */ #define MICFIL_HWVAD_ENVELOPE_MODE 0 #define MICFIL_HWVAD_ENERGY_MODE 1 /** * struct fsl_micfil_verid - version id data * @version: version number * @feature: feature specification number struct fsl_micfil_verid {/** * struct fsl_micfil_param - parameter data * @hwvad_num: the number of HWVADs * @hwvad_zcd: HWVAD zero-cross detector is active * @hwvad_energy_mode: HWVAD energy mode is active * @hwvad: HWVAD is active * @dc_out_bypass: points out if the output DC remover is disabled * @dc_in_bypass: points out if the input DC remover is disabled * @low_power: low power decimation filter * @fil_out_width: filter output width * @fifo_ptrwid: FIFO pointer width * @npair: number of microphone pairs struct fsl_micfil_param {bool hwvad_zcd;bool hwvad_energy_mode;bool hwvad;bool dc_out_bypass;bool dc_in_bypass;bool low_power;bool fil_out_width;#endif /* _FSL_MICFIL_H */
Messung V0.5 in Prozent C=96 H=94 G=94
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-07)
¤ *© Formatika GbR, Deutschland
