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
45