mirror of https://github.com/mpv-player/mpv
343 lines
8.3 KiB
C
343 lines
8.3 KiB
C
/*
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This file is based on:
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$XFree86: xc/programs/Xserver/hw/xfree86/drivers/chips/util/AsmMacros.h,v 1.1 2001/11/16 21:13:34 tsi Exp $
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Modified for readability by Nick Kurshev
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*/
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/*
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* (c) Copyright 1993,1994 by David Wexelblat <dwex@xfree86.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* DAVID WEXELBLAT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of David Wexelblat shall not be
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* used in advertising or otherwise to promote the sale, use or other dealings
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* in this Software without prior written authorization from David Wexelblat.
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*/
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/*
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* Copyright 1997
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* Digital Equipment Corporation. All rights reserved.
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* This software is furnished under license and may be used and copied only in
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* accordance with the following terms and conditions. Subject to these
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* conditions, you may download, copy, install, use, modify and distribute
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* this software in source and/or binary form. No title or ownership is
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* transferred hereby.
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*
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* 1) Any source code used, modified or distributed must reproduce and retain
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* this copyright notice and list of conditions as they appear in the source
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* file.
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*
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* 2) No right is granted to use any trade name, trademark, or logo of Digital
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* Equipment Corporation. Neither the "Digital Equipment Corporation" name
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* nor any trademark or logo of Digital Equipment Corporation may be used
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* to endorse or promote products derived from this software without the
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* prior written permission of Digital Equipment Corporation.
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*
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* 3) This software is provided "AS-IS" and any express or implied warranties,
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* including but not limited to, any implied warranties of merchantability,
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* fitness for a particular purpose, or non-infringement are disclaimed. In
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* no event shall DIGITAL be liable for any damages whatsoever, and in
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* particular, DIGITAL shall not be liable for special, indirect,
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* consequential, or incidental damages or damages for
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* lost profits, loss of revenue or loss of use, whether such damages arise
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* in contract,
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* negligence, tort, under statute, in equity, at law or otherwise, even if
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* advised of the possibility of such damage.
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*/
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#ifndef MPLAYER_ASMMACROS_X86_H
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#define MPLAYER_ASMMACROS_X86_H
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#include "config.h"
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#ifdef CONFIG_DHAHELPER
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#include <sys/ioctl.h>
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#include "vidix/dhahelper/dhahelper.h"
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extern int dhahelper_fd;
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extern int dhahelper_initialized;
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#endif
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#ifdef CONFIG_SVGAHELPER
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#include <sys/ioctl.h>
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#include <svgalib_helper.h>
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#ifndef SVGALIB_HELPER_IOC_MAGIC
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/* svgalib 1.9.18+ compatibility ::atmos */
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#define SVGALIB_HELPER_IOCSOUTB SVGAHELPER_OUTB
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#define SVGALIB_HELPER_IOCSOUTW SVGAHELPER_OUTW
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#define SVGALIB_HELPER_IOCSOUTL SVGAHELPER_OUTL
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#define SVGALIB_HELPER_IOCGINB SVGAHELPER_INB
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#define SVGALIB_HELPER_IOCGINW SVGAHELPER_INW
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#define SVGALIB_HELPER_IOCGINL SVGAHELPER_INL
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#endif
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extern int svgahelper_fd;
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extern int svgahelper_initialized;
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static __inline__ void svga_outb(short port, char value)
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{
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io_t iov;
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iov.val = value;
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iov.port = port;
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ioctl(svgahelper_fd, SVGALIB_HELPER_IOCSOUTB, &iov);
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}
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static __inline__ void svga_outw(short port, char value)
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{
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io_t iov;
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iov.val = value;
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iov.port = port;
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ioctl(svgahelper_fd, SVGALIB_HELPER_IOCSOUTW, &iov);
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}
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static __inline__ void svga_outl(short port, unsigned int value)
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{
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io_t iov;
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iov.val = value;
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iov.port = port;
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ioctl(svgahelper_fd, SVGALIB_HELPER_IOCSOUTL, &iov);
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}
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static __inline__ unsigned int svga_inb(short port)
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{
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io_t iov;
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iov.port = port;
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ioctl(svgahelper_fd, SVGALIB_HELPER_IOCGINB, &iov);
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return iov.val;
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}
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static __inline__ unsigned int svga_inw(short port)
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{
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io_t iov;
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iov.port = port;
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ioctl(svgahelper_fd, SVGALIB_HELPER_IOCGINW, &iov);
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return iov.val;
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}
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static __inline__ unsigned int svga_inl(short port)
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{
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io_t iov;
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iov.port = port;
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ioctl(svgahelper_fd, SVGALIB_HELPER_IOCGINL, &iov);
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return iov.val;
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}
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#endif /* CONIFG_SVGAHELPER */
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static __inline__ void outb(short port,char val)
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{
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#ifdef CONFIG_SVGAHELPER
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if (svgahelper_initialized == 1)
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{
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svga_outb(port, val);
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return;
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}
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#endif
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#ifdef CONFIG_DHAHELPER
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if (dhahelper_initialized == 1)
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{
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dhahelper_port_t _port;
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_port.operation = PORT_OP_WRITE;
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_port.addr = port;
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_port.size = 1;
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_port.value = val;
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if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
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return;
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}
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else
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#endif
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__asm__ volatile("outb %0,%1" : :"a" (val), "d" (port));
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return;
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}
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static __inline__ void outw(short port,short val)
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{
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#ifdef CONFIG_SVGAHELPER
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if (svgahelper_initialized == 1)
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{
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svga_outw(port, val);
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return;
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}
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#endif
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#ifdef CONFIG_DHAHELPER
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if (dhahelper_initialized == 1)
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{
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dhahelper_port_t _port;
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_port.operation = PORT_OP_WRITE;
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_port.addr = port;
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_port.size = 2;
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_port.value = val;
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if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
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return;
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}
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else
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#endif
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__asm__ volatile("outw %0,%1" : :"a" (val), "d" (port));
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return;
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}
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static __inline__ void outl(short port,unsigned int val)
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{
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#ifdef CONFIG_SVGAHELPER
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if (svgahelper_initialized == 1)
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{
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svga_outl(port, val);
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return;
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}
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#endif
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#ifdef CONFIG_DHAHELPER
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if (dhahelper_initialized == 1)
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{
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dhahelper_port_t _port;
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_port.operation = PORT_OP_WRITE;
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_port.addr = port;
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_port.size = 4;
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_port.value = val;
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if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
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return;
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}
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else
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#endif
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__asm__ volatile("outl %0,%1" : :"a" (val), "d" (port));
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return;
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}
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static __inline__ unsigned int inb(short port)
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{
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unsigned char ret = 0;
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#ifdef CONFIG_SVGAHELPER
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if (svgahelper_initialized == 1)
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{
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return svga_inb(port);
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}
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#endif
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#ifdef CONFIG_DHAHELPER
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if (dhahelper_initialized == 1)
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{
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dhahelper_port_t _port;
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_port.operation = PORT_OP_READ;
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_port.addr = port;
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_port.size = 1;
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if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
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return _port.value;
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}
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else
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#endif
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__asm__ volatile("inb %1,%0" :
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"=a" (ret) :
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"d" (port));
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return ret;
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}
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static __inline__ unsigned int inw(short port)
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{
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unsigned short ret = 0;
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#ifdef CONFIG_SVGAHELPER
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if (svgahelper_initialized == 1)
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{
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return svga_inw(port);
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}
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#endif
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#ifdef CONFIG_DHAHELPER
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if (dhahelper_initialized == 1)
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{
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dhahelper_port_t _port;
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_port.operation = PORT_OP_READ;
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_port.addr = port;
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_port.size = 2;
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if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
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return _port.value;
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}
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else
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#endif
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__asm__ volatile("inw %1,%0" :
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"=a" (ret) :
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"d" (port));
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return ret;
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}
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static __inline__ unsigned int inl(short port)
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{
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unsigned int ret = 0;
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#ifdef CONFIG_SVGAHELPER
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if (svgahelper_initialized == 1)
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{
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return svga_inl(port);
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}
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#endif
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#ifdef CONFIG_DHAHELPER
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if (dhahelper_initialized == 1)
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{
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dhahelper_port_t _port;
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_port.operation = PORT_OP_READ;
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_port.addr = port;
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_port.size = 4;
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if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
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return _port.value;
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}
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else
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#endif
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__asm__ volatile("inl %1,%0" :
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"=a" (ret) :
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"d" (port));
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return ret;
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}
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static __inline__ void intr_disable(void)
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{
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#ifdef CONFIG_SVGAHELPER
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if (svgahelper_initialized == 1)
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return;
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#endif
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__asm__ volatile("cli");
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}
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static __inline__ void intr_enable(void)
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{
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#ifdef CONFIG_SVGAHELPER
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if (svgahelper_initialized == 1)
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return;
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#endif
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__asm__ volatile("sti");
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}
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#endif /* MPLAYER_ASMMACROS_X86_H */
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