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 */ 93