linuxdebug/sound/pci/au88x0/au88x0_eq.h

45 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef AU88X0_EQ_H
#define AU88X0_EQ_H
/***************************************************************************
* au88x0_eq.h
*
* Definitions and constant data for the Aureal Hardware EQ.
*
* Sun Jun 8 18:23:38 2003
* Author: Manuel Jander (mjander@users.sourceforge.net)
****************************************************************************/
typedef struct {
u16 LeftCoefs[50]; //0x4
u16 RightCoefs[50]; // 0x68
u16 LeftGains[10]; //0xd0
u16 RightGains[10]; //0xe4
} auxxEqCoeffSet_t;
typedef struct {
s32 this04; /* How many filters for each side (default = 10) */
s32 this08; /* inited to cero. Stereo flag? */
} eqhw_t;
typedef struct {
eqhw_t this04; /* CHwEq */
u16 this08; /* Bad codec flag ? SetBypassGain: bypass gain */
u16 this0a;
u16 this0c; /* SetBypassGain: bypass gain when this28 is not set. */
u16 this0e;
s32 this10; /* How many gains are used for each side (right or left). */
u16 this14_array[10]; /* SetLeftGainsTarget: Left (and right?) EQ gains */
s32 this28; /* flag related to EQ enabled or not. Gang flag ? */
s32 this54; /* SetBypass */
s32 this58;
s32 this5c;
/*0x60 */ auxxEqCoeffSet_t coefset;
/* 50 u16 word each channel. */
u16 this130[20]; /* Left and Right gains */
} eqlzr_t;
#endif