xref: /dragonfly/sys/dev/video/bktr/bktr_os.h (revision 86d7f5d3)
1*86d7f5d3SJohn Marino /* $FreeBSD: src/sys/dev/bktr/bktr_os.h,v 1.7 2003/12/01 19:03:50 truckman Exp $ */
2*86d7f5d3SJohn Marino /* $DragonFly: src/sys/dev/video/bktr/bktr_os.h,v 1.6 2007/10/03 19:27:08 swildner Exp $ */
3*86d7f5d3SJohn Marino 
4*86d7f5d3SJohn Marino /*
5*86d7f5d3SJohn Marino  * This is part of the Driver for Video Capture Cards (Frame grabbers)
6*86d7f5d3SJohn Marino  * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
7*86d7f5d3SJohn Marino  * chipset.
8*86d7f5d3SJohn Marino  * Copyright Roger Hardiman and Amancio Hasty.
9*86d7f5d3SJohn Marino  *
10*86d7f5d3SJohn Marino  * bktr_os : This has all the Operating System dependant code.
11*86d7f5d3SJohn Marino  *
12*86d7f5d3SJohn Marino  */
13*86d7f5d3SJohn Marino 
14*86d7f5d3SJohn Marino /*-
15*86d7f5d3SJohn Marino  * 1. Redistributions of source code must retain the
16*86d7f5d3SJohn Marino  * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
17*86d7f5d3SJohn Marino  * All rights reserved.
18*86d7f5d3SJohn Marino  *
19*86d7f5d3SJohn Marino  * Redistribution and use in source and binary forms, with or without
20*86d7f5d3SJohn Marino  * modification, are permitted provided that the following conditions
21*86d7f5d3SJohn Marino  * are met:
22*86d7f5d3SJohn Marino  * 1. Redistributions of source code must retain the above copyright
23*86d7f5d3SJohn Marino  *    notice, this list of conditions and the following disclaimer.
24*86d7f5d3SJohn Marino  * 2. Redistributions in binary form must reproduce the above copyright
25*86d7f5d3SJohn Marino  *    notice, this list of conditions and the following disclaimer in the
26*86d7f5d3SJohn Marino  *    documentation and/or other materials provided with the distribution.
27*86d7f5d3SJohn Marino  * 3. All advertising materials mentioning features or use of this software
28*86d7f5d3SJohn Marino  *    must display the following acknowledgement:
29*86d7f5d3SJohn Marino  *	This product includes software developed by Amancio Hasty and
30*86d7f5d3SJohn Marino  *      Roger Hardiman
31*86d7f5d3SJohn Marino  * 4. The name of the author may not be used to endorse or promote products
32*86d7f5d3SJohn Marino  *    derived from this software without specific prior written permission.
33*86d7f5d3SJohn Marino  *
34*86d7f5d3SJohn Marino  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
35*86d7f5d3SJohn Marino  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
36*86d7f5d3SJohn Marino  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
37*86d7f5d3SJohn Marino  * DISCLAIMED.	IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
38*86d7f5d3SJohn Marino  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
39*86d7f5d3SJohn Marino  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
40*86d7f5d3SJohn Marino  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41*86d7f5d3SJohn Marino  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
42*86d7f5d3SJohn Marino  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
43*86d7f5d3SJohn Marino  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
44*86d7f5d3SJohn Marino  * POSSIBILITY OF SUCH DAMAGE.
45*86d7f5d3SJohn Marino  */
46*86d7f5d3SJohn Marino 
47*86d7f5d3SJohn Marino 
48*86d7f5d3SJohn Marino /******************************/
49*86d7f5d3SJohn Marino /* *** Memory Allocation  *** */
50*86d7f5d3SJohn Marino /******************************/
51*86d7f5d3SJohn Marino vm_offset_t     get_bktr_mem( int unit, unsigned size );
52*86d7f5d3SJohn Marino 
53*86d7f5d3SJohn Marino /************************************/
54*86d7f5d3SJohn Marino /* *** Interrupt Enable/Disable *** */
55*86d7f5d3SJohn Marino /************************************/
56*86d7f5d3SJohn Marino 
57*86d7f5d3SJohn Marino #ifdef USE_VBIMUTEX
58*86d7f5d3SJohn Marino #define LOCK_VBI(bktr)		mtx_lock(&bktr->vbimutex)
59*86d7f5d3SJohn Marino #define UNLOCK_VBI(bktr)	mtx_unlock(&bktr->vbimutex)
60*86d7f5d3SJohn Marino #else
61*86d7f5d3SJohn Marino #define LOCK_VBI(bktr)
62*86d7f5d3SJohn Marino #define UNLOCK_VBI(bktr)
63*86d7f5d3SJohn Marino #endif
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