diff options
Diffstat (limited to 'sound/soc/rockchip/rockchip_pdm.h')
| -rw-r--r-- | sound/soc/rockchip/rockchip_pdm.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sound/soc/rockchip/rockchip_pdm.h b/sound/soc/rockchip/rockchip_pdm.h new file mode 100644 index 000000000000..886b48d128fd --- /dev/null +++ b/sound/soc/rockchip/rockchip_pdm.h @@ -0,0 +1,83 @@ +/* + * 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 */ |