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 000000000..7f4534b94
--- /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 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 */