1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * rt5670-dsp.h -- RT5670 ALSA SoC DSP driver
4 *
5 * Copyright 2014 Realtek Microelectronics
6 * Author: Bard Liao <bardliao@realtek.com>
7 */
8
9#ifndef __RT5670_DSP_H__
10#define __RT5670_DSP_H__
11
12#define RT5670_DSP_CTRL1 0xe0
13#define RT5670_DSP_CTRL2 0xe1
14#define RT5670_DSP_CTRL3 0xe2
15#define RT5670_DSP_CTRL4 0xe3
16#define RT5670_DSP_CTRL5 0xe4
17
18/* DSP Control 1 (0xe0) */
19#define RT5670_DSP_CMD_MASK (0xff << 8)
20#define RT5670_DSP_CMD_PE (0x0d << 8) /* Patch Entry */
21#define RT5670_DSP_CMD_MW (0x3b << 8) /* Memory Write */
22#define RT5670_DSP_CMD_MR (0x37 << 8) /* Memory Read */
23#define RT5670_DSP_CMD_RR (0x60 << 8) /* Register Read */
24#define RT5670_DSP_CMD_RW (0x68 << 8) /* Register Write */
25#define RT5670_DSP_REG_DATHI (0x26 << 8) /* High Data Addr */
26#define RT5670_DSP_REG_DATLO (0x25 << 8) /* Low Data Addr */
27#define RT5670_DSP_CLK_MASK (0x3 << 6)
28#define RT5670_DSP_CLK_SFT 6
29#define RT5670_DSP_CLK_768K (0x0 << 6)
30#define RT5670_DSP_CLK_384K (0x1 << 6)
31#define RT5670_DSP_CLK_192K (0x2 << 6)
32#define RT5670_DSP_CLK_96K (0x3 << 6)
33#define RT5670_DSP_BUSY_MASK (0x1 << 5)
34#define RT5670_DSP_RW_MASK (0x1 << 4)
35#define RT5670_DSP_DL_MASK (0x3 << 2)
36#define RT5670_DSP_DL_0 (0x0 << 2)
37#define RT5670_DSP_DL_1 (0x1 << 2)
38#define RT5670_DSP_DL_2 (0x2 << 2)
39#define RT5670_DSP_DL_3 (0x3 << 2)
40#define RT5670_DSP_I2C_AL_16 (0x1 << 1)
41#define RT5670_DSP_CMD_EN (0x1)
42
43struct rt5670_dsp_param {
44 u16 cmd_fmt;
45 u16 addr;
46 u16 data;
47 u8 cmd;
48};
49
50#endif /* __RT5670_DSP_H__ */
51
52

source code of linux/sound/soc/codecs/rt5670-dsp.h