| /* |
| * Rockchip PDM ALSA SoC Digital Audio Interface(DAI) driver |
| * |
| * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd |
| * |
| * This software is licensed under the terms of the GNU General Public |
| * License version 2, as published by the Free Software Foundation, and |
| * may be copied, distributed, and modified under those terms. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| */ |
| |
| #ifndef _ROCKCHIP_PDM_H |
| #define _ROCKCHIP_PDM_H |
| |
| /* PDM REGS */ |
| #define PDM_SYSCONFIG (0x0000) |
| #define PDM_CTRL0 (0x0004) |
| #define PDM_CTRL1 (0x0008) |
| #define PDM_CLK_CTRL (0x000c) |
| #define PDM_HPF_CTRL (0x0010) |
| #define PDM_FIFO_CTRL (0x0014) |
| #define PDM_DMA_CTRL (0x0018) |
| #define PDM_INT_EN (0x001c) |
| #define PDM_INT_CLR (0x0020) |
| #define PDM_INT_ST (0x0024) |
| #define PDM_RXFIFO_DATA (0x0030) |
| #define PDM_DATA_VALID (0x0054) |
| #define PDM_VERSION (0x0058) |
| |
| /* PDM_SYSCONFIG */ |
| #define PDM_RX_MASK (0x1 << 2) |
| #define PDM_RX_START (0x1 << 2) |
| #define PDM_RX_STOP (0x0 << 2) |
| #define PDM_RX_CLR_MASK (0x1 << 0) |
| #define PDM_RX_CLR_WR (0x1 << 0) |
| #define PDM_RX_CLR_DONE (0x0 << 0) |
| |
| /* PDM CTRL0 */ |
| #define PDM_PATH_MSK (0xf << 27) |
| #define PDM_MODE_MSK BIT(31) |
| #define PDM_MODE_RJ 0 |
| #define PDM_MODE_LJ BIT(31) |
| #define PDM_PATH3_EN BIT(30) |
| #define PDM_PATH2_EN BIT(29) |
| #define PDM_PATH1_EN BIT(28) |
| #define PDM_PATH0_EN BIT(27) |
| #define PDM_HWT_EN BIT(26) |
| #define PDM_VDW_MSK (0x1f << 0) |
| #define PDM_VDW(X) ((X - 1) << 0) |
| |
| /* PDM CTRL1 */ |
| #define PDM_FD_NUMERATOR_SFT 16 |
| #define PDM_FD_NUMERATOR_MSK GENMASK(31, 16) |
| #define PDM_FD_DENOMINATOR_SFT 0 |
| #define PDM_FD_DENOMINATOR_MSK GENMASK(15, 0) |
| |
| /* PDM CLK CTRL */ |
| #define PDM_CLK_FD_RATIO_MSK BIT(6) |
| #define PDM_CLK_FD_RATIO_40 (0X0 << 6) |
| #define PDM_CLK_FD_RATIO_35 BIT(6) |
| #define PDM_CLK_MSK BIT(5) |
| #define PDM_CLK_EN BIT(5) |
| #define PDM_CLK_DIS (0x0 << 5) |
| #define PDM_CKP_MSK BIT(3) |
| #define PDM_CKP_NORMAL (0x0 << 3) |
| #define PDM_CKP_INVERTED BIT(3) |
| #define PDM_DS_RATIO_MSK (0x7 << 0) |
| #define PDM_CLK_320FS (0x0 << 0) |
| #define PDM_CLK_640FS (0x1 << 0) |
| #define PDM_CLK_1280FS (0x2 << 0) |
| #define PDM_CLK_2560FS (0x3 << 0) |
| #define PDM_CLK_5120FS (0x4 << 0) |
| |
| /* PDM HPF CTRL */ |
| #define PDM_HPF_LE BIT(3) |
| #define PDM_HPF_RE BIT(2) |
| #define PDM_HPF_CF_MSK (0x3 << 0) |
| #define PDM_HPF_3P79HZ (0x0 << 0) |
| #define PDM_HPF_60HZ (0x1 << 0) |
| #define PDM_HPF_243HZ (0x2 << 0) |
| #define PDM_HPF_493HZ (0x3 << 0) |
| |
| /* PDM DMA CTRL */ |
| #define PDM_DMA_RD_MSK BIT(8) |
| #define PDM_DMA_RD_EN BIT(8) |
| #define PDM_DMA_RD_DIS (0x0 << 8) |
| #define PDM_DMA_RDL_MSK (0x7f << 0) |
| #define PDM_DMA_RDL(X) ((X - 1) << 0) |
| |
| #endif /* _ROCKCHIP_PDM_H */ |
