linux/sound/pci/au88x0/au88x0_eq.h
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   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
  14typedef 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
  21typedef struct {
  22        s32 this04;             /* How many filters for each side (default = 10) */
  23        s32 this08;             /* inited to cero. Stereo flag? */
  24} eqhw_t;
  25
  26typedef 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
  45