blob: 7f4534b94d000d9f5dc50fed8e90cb81f99c88e8 [file] [log] [blame]
* au88x0_cxtalk.h
* Wed Nov 19 19:07:17 2003
* Copyright 2003 mjander
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU Library General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
/* The crosstalk canceler supports 5 stereo input channels. The result is
available at one single output route pair (stereo). */
#ifndef _AU88X0_CXTALK_H
#define _AU88X0_CXTALK_H
#include "au88x0.h"
#define XTDLINE_SZ 32
#define XTGAINS_SZ 10
#define XTINST_SZ 4
#define XT_HEADPHONE 1
#define XT_SPEAKER0 2
#define XT_SPEAKER1 3
#define XT_DIAMOND 4
typedef u32 xtalk_dline_t[XTDLINE_SZ];
typedef u16 xtalk_gains_t[XTGAINS_SZ];
typedef u16 xtalk_instate_t[XTINST_SZ];
typedef u16 xtalk_coefs_t[5][5];
typedef u16 xtalk_state_t[5][4];
static void vortex_XtalkHw_SetGains(vortex_t * vortex,
xtalk_gains_t const gains);
static void vortex_XtalkHw_SetGainsAllChan(vortex_t * vortex);
static void vortex_XtalkHw_SetSampleRate(vortex_t * vortex, u32 sr);
static void vortex_XtalkHw_ProgramPipe(vortex_t * vortex);
static void vortex_XtalkHw_ProgramPipe(vortex_t * vortex);
static void vortex_XtalkHw_ProgramXtalkWide(vortex_t * vortex);
static void vortex_XtalkHw_ProgramXtalkNarrow(vortex_t * vortex);
static void vortex_XtalkHw_ProgramDiamondXtalk(vortex_t * vortex);
static void vortex_XtalkHw_Enable(vortex_t * vortex);
static void vortex_XtalkHw_Disable(vortex_t * vortex);
static void vortex_XtalkHw_init(vortex_t * vortex);
#endif /* _AU88X0_CXTALK_H */