sound/pci/au88x0/au88x0_xtalk.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /***************************************************************************
   3  *            au88x0_cxtalk.h
   4  *
   5  *  Wed Nov 19 19:07:17 2003
   6  *  Copyright  2003  mjander
   7  *  mjander@users.sourceforge.org
   8  ****************************************************************************/
   9
  10 /*
  11  */
  12
  13 /* The crosstalk canceler supports 5 stereo input channels. The result is
  14    available at one single output route pair (stereo). */
  15
  16 #ifndef _AU88X0_CXTALK_H
  17 #define _AU88X0_CXTALK_H
  18
  19 #include "au88x0.h"
  20
  21 #define XTDLINE_SZ 32
  22 #define XTGAINS_SZ 10
  23 #define XTINST_SZ 4
  24
  25 #define XT_HEADPHONE    1
  26 #define XT_SPEAKER0             2
  27 #define XT_SPEAKER1             3
  28 #define XT_DIAMOND              4
  29
  30 typedef u32 xtalk_dline_t[XTDLINE_SZ];
  31 typedef u16 xtalk_gains_t[XTGAINS_SZ];
  32 typedef u16 xtalk_instate_t[XTINST_SZ];
  33 typedef u16 xtalk_coefs_t[5][5];
  34 typedef u16 xtalk_state_t[5][4];
  35
  36 static void vortex_XtalkHw_SetGains(vortex_t * vortex,
  37                                     xtalk_gains_t const gains);
  38 static void vortex_XtalkHw_SetGainsAllChan(vortex_t * vortex);
  39 static void vortex_XtalkHw_SetSampleRate(vortex_t * vortex, u32 sr);
  40 static void vortex_XtalkHw_ProgramPipe(vortex_t * vortex);
  41 static void vortex_XtalkHw_ProgramPipe(vortex_t * vortex);
  42 static void vortex_XtalkHw_ProgramXtalkWide(vortex_t * vortex);
  43 static void vortex_XtalkHw_ProgramXtalkNarrow(vortex_t * vortex);
  44 static void vortex_XtalkHw_ProgramDiamondXtalk(vortex_t * vortex);
  45 static void vortex_XtalkHw_Enable(vortex_t * vortex);
  46 static void vortex_XtalkHw_Disable(vortex_t * vortex);
  47 static void vortex_XtalkHw_init(vortex_t * vortex);
  48
  49 #endif                          /* _AU88X0_CXTALK_H */