rockchip_pdm.h (2617B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Rockchip PDM ALSA SoC Digital Audio Interface(DAI) driver 4 * 5 * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd 6 */ 7 8#ifndef _ROCKCHIP_PDM_H 9#define _ROCKCHIP_PDM_H 10 11/* PDM REGS */ 12#define PDM_SYSCONFIG (0x0000) 13#define PDM_CTRL0 (0x0004) 14#define PDM_CTRL1 (0x0008) 15#define PDM_CLK_CTRL (0x000c) 16#define PDM_HPF_CTRL (0x0010) 17#define PDM_FIFO_CTRL (0x0014) 18#define PDM_DMA_CTRL (0x0018) 19#define PDM_INT_EN (0x001c) 20#define PDM_INT_CLR (0x0020) 21#define PDM_INT_ST (0x0024) 22#define PDM_RXFIFO_DATA (0x0030) 23#define PDM_DATA_VALID (0x0054) 24#define PDM_VERSION (0x0058) 25 26/* PDM_SYSCONFIG */ 27#define PDM_RX_MASK (0x1 << 2) 28#define PDM_RX_START (0x1 << 2) 29#define PDM_RX_STOP (0x0 << 2) 30#define PDM_RX_CLR_MASK (0x1 << 0) 31#define PDM_RX_CLR_WR (0x1 << 0) 32#define PDM_RX_CLR_DONE (0x0 << 0) 33 34/* PDM CTRL0 */ 35#define PDM_PATH_MSK (0xf << 27) 36#define PDM_MODE_MSK BIT(31) 37#define PDM_MODE_RJ 0 38#define PDM_MODE_LJ BIT(31) 39#define PDM_PATH3_EN BIT(30) 40#define PDM_PATH2_EN BIT(29) 41#define PDM_PATH1_EN BIT(28) 42#define PDM_PATH0_EN BIT(27) 43#define PDM_HWT_EN BIT(26) 44#define PDM_SAMPLERATE_MSK GENMASK(7, 5) 45#define PDM_SAMPLERATE(x) ((x) << 5) 46#define PDM_VDW_MSK (0x1f << 0) 47#define PDM_VDW(X) ((X - 1) << 0) 48 49/* PDM CTRL1 */ 50#define PDM_FD_NUMERATOR_SFT 16 51#define PDM_FD_NUMERATOR_MSK GENMASK(31, 16) 52#define PDM_FD_DENOMINATOR_SFT 0 53#define PDM_FD_DENOMINATOR_MSK GENMASK(15, 0) 54 55/* PDM CLK CTRL */ 56#define PDM_PATH_SHIFT(x) (8 + (x) * 2) 57#define PDM_PATH_MASK(x) (0x3 << PDM_PATH_SHIFT(x)) 58#define PDM_PATH(x, v) ((v) << PDM_PATH_SHIFT(x)) 59#define PDM_CLK_FD_RATIO_MSK BIT(6) 60#define PDM_CLK_FD_RATIO_40 (0X0 << 6) 61#define PDM_CLK_FD_RATIO_35 BIT(6) 62#define PDM_CLK_MSK BIT(5) 63#define PDM_CLK_EN BIT(5) 64#define PDM_CLK_DIS (0x0 << 5) 65#define PDM_CKP_MSK BIT(3) 66#define PDM_CKP_NORMAL (0x0 << 3) 67#define PDM_CKP_INVERTED BIT(3) 68#define PDM_DS_RATIO_MSK (0x7 << 0) 69#define PDM_CLK_320FS (0x0 << 0) 70#define PDM_CLK_640FS (0x1 << 0) 71#define PDM_CLK_1280FS (0x2 << 0) 72#define PDM_CLK_2560FS (0x3 << 0) 73#define PDM_CLK_5120FS (0x4 << 0) 74#define PDM_CIC_RATIO_MSK (0x3 << 0) 75 76/* PDM HPF CTRL */ 77#define PDM_HPF_LE BIT(3) 78#define PDM_HPF_RE BIT(2) 79#define PDM_HPF_CF_MSK (0x3 << 0) 80#define PDM_HPF_3P79HZ (0x0 << 0) 81#define PDM_HPF_60HZ (0x1 << 0) 82#define PDM_HPF_243HZ (0x2 << 0) 83#define PDM_HPF_493HZ (0x3 << 0) 84 85/* PDM DMA CTRL */ 86#define PDM_DMA_RD_MSK BIT(8) 87#define PDM_DMA_RD_EN BIT(8) 88#define PDM_DMA_RD_DIS (0x0 << 8) 89#define PDM_DMA_RDL_MSK (0x7f << 0) 90#define PDM_DMA_RDL(X) ((X - 1) << 0) 91 92#endif /* _ROCKCHIP_PDM_H */