sound/soc/codecs/rl6347a.h

   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 #include <sound/hda_verbs.h>
  16
  17 #define VERB_CMD(V, N, D) ((N << 20) | (V << 8) | D)
  18
  19 #define RL6347A_VENDOR_REGISTERS        0x20
  20
  21 #define RL6347A_COEF_INDEX\
  22         VERB_CMD(AC_VERB_SET_COEF_INDEX, RL6347A_VENDOR_REGISTERS, 0)
  23 #define RL6347A_PROC_COEF\
  24         VERB_CMD(AC_VERB_SET_PROC_COEF, RL6347A_VENDOR_REGISTERS, 0)
  25
  26 struct rl6347a_priv {
  27         struct reg_default *index_cache;
  28         int index_cache_size;
  29 };
  30
  31 int rl6347a_hw_write(void *context, unsigned int reg, unsigned int value);
  32 int rl6347a_hw_read(void *context, unsigned int reg, unsigned int *value);
  33
  34 #endif /* __RL6347A_H__ */