mpv/vidix/sysdep/AsmMacros_x86.h

349 lines
8.5 KiB
C

/*
This file is based on:
$XFree86: xc/programs/Xserver/hw/xfree86/drivers/chips/util/AsmMacros.h,v 1.1 2001/11/16 21:13:34 tsi Exp $
Modified for readability by Nick Kurshev
*/
/*
* (c) Copyright 1993,1994 by David Wexelblat <dwex@xfree86.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* DAVID WEXELBLAT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of David Wexelblat shall not be
* used in advertising or otherwise to promote the sale, use or other dealings
* in this Software without prior written authorization from David Wexelblat.
*/
/*
* Copyright 1997
* Digital Equipment Corporation. All rights reserved.
* This software is furnished under license and may be used and copied only in
* accordance with the following terms and conditions. Subject to these
* conditions, you may download, copy, install, use, modify and distribute
* this software in source and/or binary form. No title or ownership is
* transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce and retain
* this copyright notice and list of conditions as they appear in the source
* file.
*
* 2) No right is granted to use any trade name, trademark, or logo of Digital
* Equipment Corporation. Neither the "Digital Equipment Corporation" name
* nor any trademark or logo of Digital Equipment Corporation may be used
* to endorse or promote products derived from this software without the
* prior written permission of Digital Equipment Corporation.
*
* 3) This software is provided "AS-IS" and any express or implied warranties,
* including but not limited to, any implied warranties of merchantability,
* fitness for a particular purpose, or non-infringement are disclaimed. In
* no event shall DIGITAL be liable for any damages whatsoever, and in
* particular, DIGITAL shall not be liable for special, indirect,
* consequential, or incidental damages or damages for
* lost profits, loss of revenue or loss of use, whether such damages arise
* in contract,
* negligence, tort, under statute, in equity, at law or otherwise, even if
* advised of the possibility of such damage.
*/
#ifndef ASMMACROS_X86_H
#define ASMMACROS_X86_H
//#if defined (WINNT)
//#error This stuff is not ported on your system
//#else
#include "config.h"
#ifdef CONFIG_DHAHELPER
#include <sys/ioctl.h>
#include "../kernelhelper/dhahelper.h"
extern int dhahelper_fd;
extern int dhahelper_initialized;
#endif
#ifdef CONFIG_SVGAHELPER
#include <sys/ioctl.h>
#include <svgalib_helper.h>
#ifndef SVGALIB_HELPER_IOC_MAGIC
/* svgalib 1.9.18+ compatibility ::atmos */
#define SVGALIB_HELPER_IOCSOUTB SVGAHELPER_OUTB
#define SVGALIB_HELPER_IOCSOUTW SVGAHELPER_OUTW
#define SVGALIB_HELPER_IOCSOUTL SVGAHELPER_OUTL
#define SVGALIB_HELPER_IOCGINB SVGAHELPER_INB
#define SVGALIB_HELPER_IOCGINW SVGAHELPER_INW
#define SVGALIB_HELPER_IOCGINL SVGAHELPER_INL
#endif
extern int svgahelper_fd;
extern int svgahelper_initialized;
static __inline__ void svga_outb(short port, char value)
{
io_t iov;
iov.val = value;
iov.port = port;
ioctl(svgahelper_fd, SVGALIB_HELPER_IOCSOUTB, &iov);
}
static __inline__ void svga_outw(short port, char value)
{
io_t iov;
iov.val = value;
iov.port = port;
ioctl(svgahelper_fd, SVGALIB_HELPER_IOCSOUTW, &iov);
}
static __inline__ void svga_outl(short port, unsigned int value)
{
io_t iov;
iov.val = value;
iov.port = port;
ioctl(svgahelper_fd, SVGALIB_HELPER_IOCSOUTL, &iov);
}
static __inline__ unsigned int svga_inb(short port)
{
io_t iov;
iov.port = port;
ioctl(svgahelper_fd, SVGALIB_HELPER_IOCGINB, &iov);
return iov.val;
}
static __inline__ unsigned int svga_inw(short port)
{
io_t iov;
iov.port = port;
ioctl(svgahelper_fd, SVGALIB_HELPER_IOCGINW, &iov);
return iov.val;
}
static __inline__ unsigned int svga_inl(short port)
{
io_t iov;
iov.port = port;
ioctl(svgahelper_fd, SVGALIB_HELPER_IOCGINL, &iov);
return iov.val;
}
#endif /* CONIFG_SVGAHELPER */
static __inline__ void outb(short port,char val)
{
#ifdef CONFIG_SVGAHELPER
if (svgahelper_initialized == 1)
{
svga_outb(port, val);
return;
}
#endif
#ifdef CONFIG_DHAHELPER
if (dhahelper_initialized == 1)
{
dhahelper_port_t _port;
_port.operation = PORT_OP_WRITE;
_port.addr = port;
_port.size = 1;
_port.value = val;
if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
return;
}
else
#endif
__asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port));
return;
}
static __inline__ void outw(short port,short val)
{
#ifdef CONFIG_SVGAHELPER
if (svgahelper_initialized == 1)
{
svga_outw(port, val);
return;
}
#endif
#ifdef CONFIG_DHAHELPER
if (dhahelper_initialized == 1)
{
dhahelper_port_t _port;
_port.operation = PORT_OP_WRITE;
_port.addr = port;
_port.size = 2;
_port.value = val;
if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
return;
}
else
#endif
__asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port));
return;
}
static __inline__ void outl(short port,unsigned int val)
{
#ifdef CONFIG_SVGAHELPER
if (svgahelper_initialized == 1)
{
svga_outl(port, val);
return;
}
#endif
#ifdef CONFIG_DHAHELPER
if (dhahelper_initialized == 1)
{
dhahelper_port_t _port;
_port.operation = PORT_OP_WRITE;
_port.addr = port;
_port.size = 4;
_port.value = val;
if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
return;
}
else
#endif
__asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port));
return;
}
static __inline__ unsigned int inb(short port)
{
unsigned char ret = 0;
#ifdef CONFIG_SVGAHELPER
if (svgahelper_initialized == 1)
{
return svga_inb(port);
}
#endif
#ifdef CONFIG_DHAHELPER
if (dhahelper_initialized == 1)
{
dhahelper_port_t _port;
_port.operation = PORT_OP_READ;
_port.addr = port;
_port.size = 1;
if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
return _port.value;
}
else
#endif
__asm__ __volatile__("inb %1,%0" :
"=a" (ret) :
"d" (port));
return ret;
}
static __inline__ unsigned int inw(short port)
{
unsigned short ret = 0;
#ifdef CONFIG_SVGAHELPER
if (svgahelper_initialized == 1)
{
return svga_inw(port);
}
#endif
#ifdef CONFIG_DHAHELPER
if (dhahelper_initialized == 1)
{
dhahelper_port_t _port;
_port.operation = PORT_OP_READ;
_port.addr = port;
_port.size = 2;
if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
return _port.value;
}
else
#endif
__asm__ __volatile__("inw %1,%0" :
"=a" (ret) :
"d" (port));
return ret;
}
static __inline__ unsigned int inl(short port)
{
unsigned int ret = 0;
#ifdef CONFIG_SVGAHELPER
if (svgahelper_initialized == 1)
{
return svga_inl(port);
}
#endif
#ifdef CONFIG_DHAHELPER
if (dhahelper_initialized == 1)
{
dhahelper_port_t _port;
_port.operation = PORT_OP_READ;
_port.addr = port;
_port.size = 4;
if (ioctl(dhahelper_fd, DHAHELPER_PORT, &_port) == 0)
return _port.value;
}
else
#endif
__asm__ __volatile__("inl %1,%0" :
"=a" (ret) :
"d" (port));
return ret;
}
static __inline__ void intr_disable()
{
#ifdef CONFIG_SVGAHELPER
if (svgahelper_initialized == 1)
return;
#endif
__asm__ __volatile__("cli");
}
static __inline__ void intr_enable()
{
#ifdef CONFIG_SVGAHELPER
if (svgahelper_initialized == 1)
return;
#endif
__asm__ __volatile__("sti");
}
//#endif
#endif /* ASMMACROS_X86_H */