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