93 lines · c
1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Rockchip PDM ALSA SoC Digital Audio Interface(DAI) driver4 *5 * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd6 */7 8#ifndef _ROCKCHIP_PDM_H9#define _ROCKCHIP_PDM_H10 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 038#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 1651#define PDM_FD_NUMERATOR_MSK GENMASK(31, 16)52#define PDM_FD_DENOMINATOR_SFT 053#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