sound/pci/au88x0/au88x0_xtalk.h

   1 /***************************************************************************
   2  *            au88x0_cxtalk.h
   3  *
   4  *  Wed Nov 19 19:07:17 2003
   5  *  Copyright  2003  mjander
   6  *  mjander@users.sourceforge.org
   7  ****************************************************************************/
   8
   9 /*
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU Library General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23  */
  24
  25 /* The crosstalk canceler supports 5 stereo input channels. The result is
  26    available at one single output route pair (stereo). */
  27
  28 #ifndef _AU88X0_CXTALK_H
  29 #define _AU88X0_CXTALK_H
  30
  31 #include "au88x0.h"
  32
  33 #define XTDLINE_SZ 32
  34 #define XTGAINS_SZ 10
  35 #define XTINST_SZ 4
  36
  37 #define XT_HEADPHONE    1
  38 #define XT_SPEAKER0             2
  39 #define XT_SPEAKER1             3
  40 #define XT_DIAMOND              4
  41
  42 typedef long xtalk_dline_t[XTDLINE_SZ];
  43 typedef short xtalk_gains_t[XTGAINS_SZ];
  44 typedef short xtalk_instate_t[XTINST_SZ];
  45 typedef short xtalk_coefs_t[5][5];
  46 typedef short xtalk_state_t[5][4];
  47
  48 static void vortex_XtalkHw_SetGains(vortex_t * vortex,
  49                                     xtalk_gains_t const gains);
  50 static void vortex_XtalkHw_SetGainsAllChan(vortex_t * vortex);
  51 static void vortex_XtalkHw_SetSampleRate(vortex_t * vortex, int sr);
  52 static void vortex_XtalkHw_ProgramPipe(vortex_t * vortex);
  53 static void vortex_XtalkHw_ProgramPipe(vortex_t * vortex);
  54 static void vortex_XtalkHw_ProgramXtalkWide(vortex_t * vortex);
  55 static void vortex_XtalkHw_ProgramXtalkNarrow(vortex_t * vortex);
  56 static void vortex_XtalkHw_ProgramDiamondXtalk(vortex_t * vortex);
  57 static void vortex_XtalkHw_Enable(vortex_t * vortex);
  58 static void vortex_XtalkHw_Disable(vortex_t * vortex);
  59 static void vortex_XtalkHw_init(vortex_t * vortex);
  60
  61 #endif                          /* _AU88X0_CXTALK_H */