1 /* $FreeBSD: src/sys/dev/bktr/bktr_os.h,v 1.1.4.2 2000/09/11 07:59:57 roger Exp $ */
2 /* $DragonFly: src/sys/dev/video/bktr/bktr_os.h,v 1.3 2004/02/13 01:45:15 joerg Exp $ */
5 * This is part of the Driver for Video Capture Cards (Frame grabbers)
6 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
8 * Copyright Roger Hardiman and Amancio Hasty.
10 * bktr_os : This has all the Operating System dependant code.
15 * 1. Redistributions of source code must retain the
16 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
17 * All rights reserved.
19 * Redistribution and use in source and binary forms, with or without
20 * modification, are permitted provided that the following conditions
22 * 1. Redistributions of source code must retain the above copyright
23 * notice, this list of conditions and the following disclaimer.
24 * 2. Redistributions in binary form must reproduce the above copyright
25 * notice, this list of conditions and the following disclaimer in the
26 * documentation and/or other materials provided with the distribution.
27 * 3. All advertising materials mentioning features or use of this software
28 * must display the following acknowledgement:
29 * This product includes software developed by Amancio Hasty and
31 * 4. The name of the author may not be used to endorse or promote products
32 * derived from this software without specific prior written permission.
34 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
35 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
36 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
37 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
38 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
39 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
40 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
42 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
43 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
44 * POSSIBILITY OF SUCH DAMAGE.
48 /******************************/
49 /* *** Memory Allocation *** */
50 /******************************/
51 #if defined(__DragonFly__) || (defined(__FreeBSD__) || defined(__bsdi__))
52 vm_offset_t get_bktr_mem( int unit, unsigned size );
55 #if (defined(__NetBSD__) || defined(__OpenBSD__))
56 vm_offset_t get_bktr_mem(bktr_ptr_t, bus_dmamap_t *, unsigned size);
57 void free_bktr_mem(bktr_ptr_t, bus_dmamap_t, vm_offset_t);
60 /************************************/
61 /* *** Interrupt Enable/Disable *** */
62 /************************************/
63 #if defined(__DragonFly__) || defined(__FreeBSD__)
64 #define DECLARE_INTR_MASK(s) intrmask_t s
65 #define DISABLE_INTR(s) s=spltty()
66 #define ENABLE_INTR(s) splx(s)
68 #define DECLARE_INTR_MASK(s) /* no need to declare 's' */
69 #define DISABLE_INTR(s) disable_intr()
70 #define ENABLE_INTR(s) enable_intr()