1/* $SourceForge: bktr_os.h,v 1.3 2003/03/11 23:11:26 thomasklausner Exp $ */
2
3/*	$NetBSD: bktr_os.h,v 1.6 2003/03/12 00:14:41 wiz Exp $	*/
4/* $FreeBSD: src/sys/dev/bktr/bktr_os.h,v 1.4 2000/04/16 07:56:58 roger Exp$ */
5
6/*
7 * This is part of the Driver for Video Capture Cards (Frame grabbers)
8 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
9 * chipset.
10 * Copyright Roger Hardiman and Amancio Hasty.
11 *
12 * bktr_os : This has all the Operating System dependent code.
13 *
14 */
15
16/*
17 * 1. Redistributions of source code must retain the
18 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
19 * All rights reserved.
20 *
21 * Redistribution and use in source and binary forms, with or without
22 * modification, are permitted provided that the following conditions
23 * are met:
24 * 1. Redistributions of source code must retain the above copyright
25 *    notice, this list of conditions and the following disclaimer.
26 * 2. Redistributions in binary form must reproduce the above copyright
27 *    notice, this list of conditions and the following disclaimer in the
28 *    documentation and/or other materials provided with the distribution.
29 * 3. All advertising materials mentioning features or use of this software
30 *    must display the following acknowledgement:
31 *	This product includes software developed by Amancio Hasty and
32 *      Roger Hardiman
33 * 4. The name of the author may not be used to endorse or promote products
34 *    derived from this software without specific prior written permission.
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
37 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
38 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
39 * DISCLAIMED.	IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
40 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
41 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
42 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
45 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
46 * POSSIBILITY OF SUCH DAMAGE.
47 */
48
49
50/******************************/
51/* *** Memory Allocation  *** */
52/******************************/
53#if (defined(__FreeBSD__) || defined(__bsdi__))
54vm_offset_t     get_bktr_mem(int unit, unsigned size);
55#endif
56
57#if defined(__NetBSD__)
58vaddr_t         get_bktr_mem(bktr_ptr_t, bus_dmamap_t *, unsigned size);
59void            free_bktr_mem(bktr_ptr_t, bus_dmamap_t, vaddr_t);
60#endif
61
62#if defined(__OpenBSD__)
63vm_offset_t     get_bktr_mem(bktr_ptr_t, bus_dmamap_t *, unsigned size);
64void            free_bktr_mem(bktr_ptr_t, bus_dmamap_t, vm_offset_t);
65#endif
66
67/************************************/
68/* *** Interrupt Enable/Disable *** */
69/************************************/
70#define DECLARE_INTR_MASK(s)	int s
71#define DISABLE_INTR(s)		s = spltty()
72#define ENABLE_INTR(s)		splx(s)
73