patch-2.2.17 linux/drivers/sound/emu10k1/cardwi.h

• Lines: 101
• Date: Mon Sep 4 18:39:21 2000
• Orig file: v2.2.16/drivers/sound/emu10k1/cardwi.h
• Orig date: Thu Jan 1 01:00:00 1970

diff -u --recursive --new-file v2.2.16/drivers/sound/emu10k1/cardwi.h linux/drivers/sound/emu10k1/cardwi.h
@@ -0,0 +1,100 @@
+/*
+ **********************************************************************
+ *     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"
+#include "audio.h"
+#include "timer.h"
+
+struct wavein_buffer {
+	u16 ossfragshift;
+        u32 fragment_size;
+        u32 numfrags;
+	u32 hw_pos;		/* hardware cursor position */
+	u32 pos;		/* software cursor position */
+	u32 bytestocopy;	/* bytes of recorded data available */
+	u32 size;
+	u32 sizereg;
+	u32 sizeregval;
+        u32 addrreg;
+        u32 idxreg;
+        u32 adcctl;
+	u32 fxwc;
+	void *addr;
+	u8 cov;
+	dma_addr_t dma_handle;	
+};
+
+struct wiinst
+{
+	u8 state;
+	struct emu_timer timer;
+	struct wave_format format;
+	struct wavein_buffer buffer;
+	wait_queue_head_t wait_queue;
+	u8 mmapped;
+	u32 total_recorded;	/* total bytes read() from device */
+	u32 blocks;
+	spinlock_t lock;
+	u8 recsrc;
+};
+
+struct emu10k1_wavein 
+{
+	struct wiinst *ac97;
+	struct wiinst *mic;
+	struct wiinst *fx;
+
+	u8 recsrc;
+	u32 fxwc;
+};
+
+
+#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 wiinst *, u32 *);
+void emu10k1_wavein_xferdata(struct wiinst *, u8 *, u32 *);
+int emu10k1_wavein_setformat(struct emu10k1_wavedevice *, struct wave_format *);
+void emu10k1_wavein_update(struct emu10k1_card *, struct wiinst *);
+
+
+#endif /* _CARDWI_H */