xref: /openbmc/linux/sound/soc/codecs/rl6347a.h (revision b96fc2f3)
1 /*
2  * rl6347a.h - RL6347A class device shared support
3  *
4  * Copyright 2015 Realtek Semiconductor Corp.
5  *
6  * Author: Oder Chiou <oder_chiou@realtek.com>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12 #ifndef __RL6347A_H__
13 #define __RL6347A_H__
14 
15 #define VERB_CMD(V, N, D) ((N << 20) | (V << 8) | D)
16 
17 #define RL6347A_VENDOR_REGISTERS	0x20
18 
19 #define RL6347A_COEF_INDEX\
20 	VERB_CMD(AC_VERB_SET_COEF_INDEX, RL6347A_VENDOR_REGISTERS, 0)
21 #define RL6347A_PROC_COEF\
22 	VERB_CMD(AC_VERB_SET_PROC_COEF, RL6347A_VENDOR_REGISTERS, 0)
23 
24 struct rl6347a_priv {
25 	struct reg_default *index_cache;
26 	int index_cache_size;
27 };
28 
29 int rl6347a_hw_write(void *context, unsigned int reg, unsigned int value);
30 int rl6347a_hw_read(void *context, unsigned int reg, unsigned int *value);
31 
32 #endif /* __RL6347A_H__ */
33