1 /* $FreeBSD: src/sys/dev/bktr/bktr_os.h,v 1.1.4.2 2000/09/11 07:59:57 roger Exp $ */
4 * This is part of the Driver for Video Capture Cards (Frame grabbers)
5 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
7 * Copyright Roger Hardiman and Amancio Hasty.
9 * bktr_os : This has all the Operating System dependant code.
14 * 1. Redistributions of source code must retain the
15 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
16 * All rights reserved.
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in the
25 * documentation and/or other materials provided with the distribution.
26 * 3. All advertising materials mentioning features or use of this software
27 * must display the following acknowledgement:
28 * This product includes software developed by Amancio Hasty and
30 * 4. The name of the author may not be used to endorse or promote products
31 * derived from this software without specific prior written permission.
33 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
34 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
35 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
36 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
37 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
38 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
39 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
41 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
42 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
43 * POSSIBILITY OF SUCH DAMAGE.
47 /******************************/
48 /* *** Memory Allocation *** */
49 /******************************/
50 #if (defined(__FreeBSD__) || defined(__bsdi__))
51 vm_offset_t get_bktr_mem( int unit, unsigned size );
54 #if (defined(__NetBSD__) || defined(__OpenBSD__))
55 vm_offset_t get_bktr_mem(bktr_ptr_t, bus_dmamap_t *, unsigned size);
56 void free_bktr_mem(bktr_ptr_t, bus_dmamap_t, vm_offset_t);
59 /************************************/
60 /* *** Interrupt Enable/Disable *** */
61 /************************************/
62 #if defined(__FreeBSD__)
63 #define DECLARE_INTR_MASK(s) intrmask_t s
64 #define DISABLE_INTR(s) s=spltty()
65 #define ENABLE_INTR(s) splx(s)
67 #define DECLARE_INTR_MASK(s) /* no need to declare 's' */
68 #define DISABLE_INTR(s) disable_intr()
69 #define ENABLE_INTR(s) enable_intr()