diff options
Diffstat (limited to 'sound/pci/au88x0/au88x0_xtalk.h')
| -rw-r--r-- | sound/pci/au88x0/au88x0_xtalk.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/sound/pci/au88x0/au88x0_xtalk.h b/sound/pci/au88x0/au88x0_xtalk.h new file mode 100644 index 000000000000..0b8d7b64012d --- /dev/null +++ b/sound/pci/au88x0/au88x0_xtalk.h @@ -0,0 +1,61 @@ +/*************************************************************************** + * 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 long xtalk_dline_t[XTDLINE_SZ]; +typedef short xtalk_gains_t[XTGAINS_SZ]; +typedef short xtalk_instate_t[XTINST_SZ]; +typedef short xtalk_coefs_t[5][5]; +typedef short 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, int 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 */ |