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      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