84 lines
2.4 KiB
C
Executable file
84 lines
2.4 KiB
C
Executable file
/*
|
|
* 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_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 CLK CTRL */
|
|
#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 */
|