1 /* $OpenBSD: bktr_os.h,v 1.3 2007/06/11 08:10:22 robert Exp $ */ 2 /* $FreeBSD: src/sys/dev/bktr/bktr_os.h,v 1.4 2000/04/16 07:56:58 roger Exp $ */ 3 4 /* 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 7 * chipset. 8 * Copyright Roger Hardiman and Amancio Hasty. 9 * 10 * bktr_os : This has all the Operating System dependant code. 11 * 12 */ 13 14 /* 15 * 1. Redistributions of source code must retain the 16 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman 17 * All rights reserved. 18 * 19 * Redistribution and use in source and binary forms, with or without 20 * modification, are permitted provided that the following conditions 21 * are met: 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 30 * Roger Hardiman 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. 33 * 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. 45 */ 46 47 48 /******************************/ 49 /* *** Memory Allocation *** */ 50 /******************************/ 51 vaddr_t get_bktr_mem(bktr_ptr_t, bus_dmamap_t *, unsigned size); 52 void free_bktr_mem(bktr_ptr_t, bus_dmamap_t, vaddr_t); 53 54 /************************************/ 55 /* *** Interrupt Enable/Disable *** */ 56 /************************************/ 57 #define DECLARE_INTR_MASK(s) intrmask_t s 58 #define DISABLE_INTR(s) s=spltty() 59 #define ENABLE_INTR(s) splx(s) 60