sound/soc/codecs/rl6347a.h

   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__ */