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kernel/linux-rt-4.4.41/sound/pci/au88x0/au88x0_xtalk.h 2.25 KB
5113f6f70   김현기   kernel add
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  /***************************************************************************
   *            au88x0_cxtalk.h
   *
   *  Wed Nov 19 19:07:17 2003
   *  Copyright  2003  mjander
   *  mjander@users.sourceforge.org
   ****************************************************************************/
  
  /*
   *  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
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  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 */