1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * rl6347a.h - RL6347A class device shared support 4 * 5 * Copyright 2015 Realtek Semiconductor Corp. 6 * 7 * Author: Oder Chiou <oder_chiou@realtek.com> 8 */ 9 #ifndef __RL6347A_H__ 10 #define __RL6347A_H__ 11 12 #include <sound/hda_verbs.h> 13 14 #define VERB_CMD(V, N, D) ((N << 20) | (V << 8) | D) 15 16 #define RL6347A_VENDOR_REGISTERS 0x20 17 18 #define RL6347A_COEF_INDEX\ 19 VERB_CMD(AC_VERB_SET_COEF_INDEX, RL6347A_VENDOR_REGISTERS, 0) 20 #define RL6347A_PROC_COEF\ 21 VERB_CMD(AC_VERB_SET_PROC_COEF, RL6347A_VENDOR_REGISTERS, 0) 22 23 struct rl6347a_priv { 24 struct reg_default *index_cache; 25 int index_cache_size; 26 }; 27 28 int rl6347a_hw_write(void *context, unsigned int reg, unsigned int value); 29 int rl6347a_hw_read(void *context, unsigned int reg, unsigned int *value); 30 31 #endif /* __RL6347A_H__ */ 32