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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/sound/pci/au88x0/au88x0_xtalk.h
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/***************************************************************************

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 *            au88x0_cxtalk.h

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 *

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 *  Wed Nov 19 19:07:17 2003

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 *  Copyright  2003  mjander

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 *  [email protected]

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 ****************************************************************************/

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/*

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 *  This program is free software; you can redistribute it and/or modify

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 *  it under the terms of the GNU General Public License as published by

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 *  the Free Software Foundation; either version 2 of the License, or

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 *  (at your option) any later version.

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 *

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 *  This program is distributed in the hope that it will be useful,

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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 *  GNU Library General Public License for more details.

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 *

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 *  You should have received a copy of the GNU General Public License

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 *  along with this program; if not, write to the Free Software

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 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

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 */

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/* The crosstalk canceler supports 5 stereo input channels. The result is 

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   available at one single output route pair (stereo). */

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#ifndef _AU88X0_CXTALK_H

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#define _AU88X0_CXTALK_H

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#include "au88x0.h"

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#define XTDLINE_SZ 32

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#define XTGAINS_SZ 10

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#define XTINST_SZ 4

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#define XT_HEADPHONE	1

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#define XT_SPEAKER0		2

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#define XT_SPEAKER1		3

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#define XT_DIAMOND		4

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typedef u32 xtalk_dline_t[XTDLINE_SZ];

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typedef u16 xtalk_gains_t[XTGAINS_SZ];

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typedef u16 xtalk_instate_t[XTINST_SZ];

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typedef u16 xtalk_coefs_t[5][5];

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typedef u16 xtalk_state_t[5][4];

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static void vortex_XtalkHw_SetGains(vortex_t * vortex,

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				    xtalk_gains_t const gains);

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static void vortex_XtalkHw_SetGainsAllChan(vortex_t * vortex);

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static void vortex_XtalkHw_SetSampleRate(vortex_t * vortex, u32 sr);

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static void vortex_XtalkHw_ProgramPipe(vortex_t * vortex);

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static void vortex_XtalkHw_ProgramPipe(vortex_t * vortex);

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static void vortex_XtalkHw_ProgramXtalkWide(vortex_t * vortex);

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static void vortex_XtalkHw_ProgramXtalkNarrow(vortex_t * vortex);

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static void vortex_XtalkHw_ProgramDiamondXtalk(vortex_t * vortex);

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static void vortex_XtalkHw_Enable(vortex_t * vortex);

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static void vortex_XtalkHw_Disable(vortex_t * vortex);

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static void vortex_XtalkHw_init(vortex_t * vortex);

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#endif				/* _AU88X0_CXTALK_H */

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