sound/pci/au88x0/au88x0_eq.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef AU88X0_EQ_H
   3 #define AU88X0_EQ_H
   4
   5 /***************************************************************************
   6  *            au88x0_eq.h
   7  *
   8  *  Definitions and constant data for the Aureal Hardware EQ.
   9  *
  10  *  Sun Jun  8 18:23:38 2003
  11  *  Author: Manuel Jander (mjander@users.sourceforge.net)
  12  ****************************************************************************/
  13
  14 typedef struct {
  15         u16 LeftCoefs[50];      //0x4
  16         u16 RightCoefs[50];     // 0x68
  17         u16 LeftGains[10];      //0xd0
  18         u16 RightGains[10];     //0xe4
  19 } auxxEqCoeffSet_t;
  20
  21 typedef struct {
  22         s32 this04;             /* How many filters for each side (default = 10) */
  23         s32 this08;             /* inited to cero. Stereo flag? */
  24 } eqhw_t;
  25
  26 typedef struct {
  27         eqhw_t this04;          /* CHwEq */
  28         u16 this08;             /* Bad codec flag ? SetBypassGain: bypass gain */
  29         u16 this0a;
  30         u16 this0c;             /* SetBypassGain: bypass gain when this28 is not set. */
  31         u16 this0e;
  32
  33         s32 this10;             /* How many gains are used for each side (right or left). */
  34         u16 this14_array[10];   /* SetLeftGainsTarget: Left (and right?) EQ gains  */
  35         s32 this28;             /* flag related to EQ enabled or not. Gang flag ? */
  36         s32 this54;             /* SetBypass */
  37         s32 this58;
  38         s32 this5c;
  39         /*0x60 */ auxxEqCoeffSet_t coefset;
  40         /* 50 u16 word each channel. */
  41         u16 this130[20];        /* Left and Right gains */
  42 } eqlzr_t;
  43
  44 #endif