xref: /openbmc/linux/sound/pci/au88x0/au88x0_eq.h (revision f3539c12)
1 #ifndef AU88X0_EQ_H
2 #define AU88X0_EQ_H
3 
4 /***************************************************************************
5  *            au88x0_eq.h
6  *
7  *  Definitions and constant data for the Aureal Hardware EQ.
8  *
9  *  Sun Jun  8 18:23:38 2003
10  *  Author: Manuel Jander (mjander@users.sourceforge.net)
11  ****************************************************************************/
12 
13 typedef struct {
14 	u16 LeftCoefs[50];	//0x4
15 	u16 RightCoefs[50];	// 0x68
16 	u16 LeftGains[10];	//0xd0
17 	u16 RightGains[10];	//0xe4
18 } auxxEqCoeffSet_t;
19 
20 typedef struct {
21 	s32 this04;		/* How many filters for each side (default = 10) */
22 	s32 this08;		/* inited to cero. Stereo flag? */
23 } eqhw_t;
24 
25 typedef struct {
26 	eqhw_t this04;		/* CHwEq */
27 	u16 this08;		/* Bad codec flag ? SetBypassGain: bypass gain */
28 	u16 this0a;
29 	u16 this0c;		/* SetBypassGain: bypass gain when this28 is not set. */
30 	u16 this0e;
31 
32 	s32 this10;		/* How many gains are used for each side (right or left). */
33 	u16 this14_array[10];	/* SetLeftGainsTarget: Left (and right?) EQ gains  */
34 	s32 this28;		/* flag related to EQ enabled or not. Gang flag ? */
35 	s32 this54;		/* SetBypass */
36 	s32 this58;
37 	s32 this5c;
38 	/*0x60 */ auxxEqCoeffSet_t coefset;
39 	/* 50 u16 word each channel. */
40 	u16 this130[20];	/* Left and Right gains */
41 } eqlzr_t;
42 
43 #endif
44