1 /* $SourceForge: bktr_os.h,v 1.3 2003/03/11 23:11:26 thomasklausner Exp $ */ 2 3 /* $NetBSD: bktr_os.h,v 1.7 2011/06/30 20:09:40 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__)) 54 vm_offset_t get_bktr_mem(int unit, unsigned size); 55 #endif 56 57 #if defined(__NetBSD__) 58 vaddr_t get_bktr_mem(bktr_ptr_t, bus_dmamap_t *, unsigned size); 59 void free_bktr_mem(bktr_ptr_t, bus_dmamap_t, vaddr_t); 60 #endif 61 62 #if defined(__OpenBSD__) 63 vm_offset_t get_bktr_mem(bktr_ptr_t, bus_dmamap_t *, unsigned size); 64 void 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