LXR linux/sound/pci/au88x0/au88x0

   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
  42typedef u32 xtalk_dline_t[XTDLINE_SZ];
  43typedef u16 xtalk_gains_t[XTGAINS_SZ];
  44typedef u16 xtalk_instate_t[XTINST_SZ];
  45typedef u16 xtalk_coefs_t[5][5];
  46typedef u16 xtalk_state_t[5][4];
  47
  48static void vortex_XtalkHw_SetGains(vortex_t * vortex,
  49                                    xtalk_gains_t const gains);
  50static void vortex_XtalkHw_SetGainsAllChan(vortex_t * vortex);
  51static void vortex_XtalkHw_SetSampleRate(vortex_t * vortex, u32 sr);
  52static void vortex_XtalkHw_ProgramPipe(vortex_t * vortex);
  53static void vortex_XtalkHw_ProgramPipe(vortex_t * vortex);
  54static void vortex_XtalkHw_ProgramXtalkWide(vortex_t * vortex);
  55static void vortex_XtalkHw_ProgramXtalkNarrow(vortex_t * vortex);
  56static void vortex_XtalkHw_ProgramDiamondXtalk(vortex_t * vortex);
  57static void vortex_XtalkHw_Enable(vortex_t * vortex);
  58static void vortex_XtalkHw_Disable(vortex_t * vortex);
  59static void vortex_XtalkHw_init(vortex_t * vortex);
  60
  61#endif                          /* _AU88X0_CXTALK_H */
  62