FreeBSD/Linux Kernel Cross Reference
sys/dev/video/bktr/bktr_os.h

     /* $FreeBSD: src/sys/dev/bktr/bktr_os.h,v 1.7 2003/12/01 19:03:50 truckman Exp $ */
     /* $DragonFly: src/sys/dev/video/bktr/bktr_os.h,v 1.6 2007/10/03 19:27:08 swildner Exp $ */
     
     /*
      * 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  *** */
    /******************************/
    vm_offset_t     get_bktr_mem( int unit, unsigned size );
    
    /************************************/
    /* *** Interrupt Enable/Disable *** */
    /************************************/
    
    #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

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