patch-2.3.99-pre6 linux/drivers/sound/emu10k1/cardwi.h

• Lines: 93
• Date: Fri Apr 21 16:08:45 2000
• Orig file: v2.3.99-pre5/linux/drivers/sound/emu10k1/cardwi.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.99-pre5/linux/drivers/sound/emu10k1/cardwi.h linux/drivers/sound/emu10k1/cardwi.h
@@ -0,0 +1,92 @@
+/*
+ **********************************************************************
+ *     cardwi.h -- header file for card wave input functions
+ *     Copyright 1999, 2000 Creative Labs, Inc.
+ *
+ **********************************************************************
+ *
+ *     Date                 Author          Summary of changes
+ *     ----                 ------          ------------------
+ *     October 20, 1999     Bertrand Lee    base code release
+ *
+ **********************************************************************
+ *
+ *     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 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., 675 Mass Ave, Cambridge, MA 02139,
+ *     USA.
+ *
+ **********************************************************************
+ */
+#ifndef _CARDWI_H
+#define _CARDWI_H
+
+#include "icardwav.h"
+
+struct wave_in 
+{
+	struct list_head list;
+
+	u32 state;
+	struct record *rec_ptr;
+	struct memhandle *memhandle;
+	struct emu_timer *timer;
+	u32 callbacksize;
+	struct wave_format wave_fmt;
+};
+
+struct wiinst
+{
+	struct wave_in *wave_in;
+	struct wave_format wave_fmt;
+	u16 ossfragshift;
+	u32 fragment_size;
+	u32 numfrags;
+	wait_queue_head_t wait_queue;
+	int mapped;
+	u32 total_recorded;
+	u32 blocks;
+	u32 curpos;
+	spinlock_t lock;
+	u8 recsrc;
+};
+
+struct emu10k1_wavein 
+{
+	struct wave_in *ac97;
+	struct wave_in *mic;
+	struct wave_in *fx;
+
+	u8 recsrc;
+};
+
+
+#define WAVEIN_MAXBUFSIZE         65536
+#define WAVEIN_MINBUFSIZE	  368
+
+#define WAVEIN_DEFAULTFRAGLEN     100 
+#define WAVEIN_DEFAULTBUFLEN      1000
+
+#define WAVEIN_MINFRAGSHIFT   	  8 
+
+int emu10k1_wavein_open(struct emu10k1_wavedevice *);
+void emu10k1_wavein_close(struct emu10k1_wavedevice *);
+void emu10k1_wavein_start(struct emu10k1_wavedevice *);
+void emu10k1_wavein_stop(struct emu10k1_wavedevice *);
+void emu10k1_wavein_getxfersize(struct wave_in *, u32 *, u32 *);
+void emu10k1_wavein_xferdata(struct wiinst *, u8 *, u32 *);
+int emu10k1_wavein_setformat(struct emu10k1_wavedevice *);
+int emu10k1_wavein_getcontrol(struct wave_in *, u32, u32 *);
+
+
+#endif /* _CARDWI_H */