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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
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/* $FreeBSD: release/9.1.0/sys/dev/bktr/bktr_os.h 139749 2005-01-06 01:43:34Z imp $ */ /* * This is part of the Driver for Video Capture Cards (Frame grabbers) * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 * chipset. * Copyright Roger Hardiman and Amancio Hasty. * * bktr_os : This has all the Operating System dependant code. * */ /*- * 1. Redistributions of source code must retain the * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Amancio Hasty and * Roger Hardiman * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /******************************/ /* *** Memory Allocation *** */ /******************************/ #if (defined(__FreeBSD__) || defined(__bsdi__)) vm_offset_t get_bktr_mem( int unit, unsigned size ); #endif #if (defined(__NetBSD__) || defined(__OpenBSD__)) vm_offset_t get_bktr_mem(bktr_ptr_t, bus_dmamap_t *, unsigned size); void free_bktr_mem(bktr_ptr_t, bus_dmamap_t, vm_offset_t); #endif /************************************/ /* *** Interrupt Enable/Disable *** */ /************************************/ #if defined(__FreeBSD__) #if (__FreeBSD_version >=500000) #define USE_VBIMUTEX #define DECLARE_INTR_MASK(s) /* no need to declare 's' */ #define DISABLE_INTR(s) #define ENABLE_INTR(s) #else #define DECLARE_INTR_MASK(s) intrmask_t s #define DISABLE_INTR(s) s=spltty() #define ENABLE_INTR(s) splx(s) #endif #else #define DECLARE_INTR_MASK(s) /* no need to declare 's' */ #define DISABLE_INTR(s) disable_intr() #define ENABLE_INTR(s) enable_intr() #endif #ifdef USE_VBIMUTEX #define LOCK_VBI(bktr) mtx_lock(&bktr->vbimutex) #define UNLOCK_VBI(bktr) mtx_unlock(&bktr->vbimutex) #else #define LOCK_VBI(bktr) #define UNLOCK_VBI(bktr) #endif