mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-24 11:29:10 +00:00
79 lines
3.0 KiB
C
79 lines
3.0 KiB
C
/* $FreeBSD$ */
|
|
|
|
/*
|
|
* 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 DECLARE_INTR_MASK(s) critical_t s
|
|
#define DISABLE_INTR(s) s = critical_enter()
|
|
#define ENABLE_INTR(s) critical_exit(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
|
|
|
|
|