1 /* $NetBSD: bktr_os.h,v 1.5 2001/03/16 19:32:35 ross Exp $ */ 2 3 /* FreeBSD: src/sys/dev/bktr/bktr_os.h,v 1.4 2000/04/16 07:56:58 roger Exp */ 4 5 /* 6 * This is part of the Driver for Video Capture Cards (Frame grabbers) 7 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 8 * chipset. 9 * Copyright Roger Hardiman and Amancio Hasty. 10 * 11 * bktr_os : This has all the Operating System dependant code. 12 * 13 */ 14 15 /* 16 * 1. Redistributions of source code must retain the 17 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman 18 * All rights reserved. 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in the 27 * documentation and/or other materials provided with the distribution. 28 * 3. All advertising materials mentioning features or use of this software 29 * must display the following acknowledgement: 30 * This product includes software developed by Amancio Hasty and 31 * Roger Hardiman 32 * 4. The name of the author may not be used to endorse or promote products 33 * derived from this software without specific prior written permission. 34 * 35 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 36 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 37 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 38 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 39 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 40 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 41 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 42 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 43 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 44 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 45 * POSSIBILITY OF SUCH DAMAGE. 46 */ 47 48 49 /******************************/ 50 /* *** Memory Allocation *** */ 51 /******************************/ 52 #if (defined(__FreeBSD__) || defined(__bsdi__)) 53 vm_offset_t get_bktr_mem( int unit, unsigned size ); 54 #endif 55 56 #if defined(__NetBSD__) 57 vaddr_t get_bktr_mem(bktr_ptr_t, bus_dmamap_t *, unsigned size); 58 void free_bktr_mem(bktr_ptr_t, bus_dmamap_t, vaddr_t); 59 #endif 60 61 #if defined(__OpenBSD__) 62 vm_offset_t get_bktr_mem(bktr_ptr_t, bus_dmamap_t *, unsigned size); 63 void free_bktr_mem(bktr_ptr_t, bus_dmamap_t, vm_offset_t); 64 #endif 65 66 /************************************/ 67 /* *** Interrupt Enable/Disable *** */ 68 /************************************/ 69 #define DECLARE_INTR_MASK(s) int s 70 #define DISABLE_INTR(s) s = spltty() 71 #define ENABLE_INTR(s) splx(s) 72