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/*
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
*/
#ifndef __ASM_MACROS_X86_H
#define __ASM_MACROS_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
static __inline__ void outb(short port,char val)
{
#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_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_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;
#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;
#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;
#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()
{
__asm__ __volatile__("cli");
}
static __inline__ void intr_enable()
{
__asm__ __volatile__("sti");
}
#endif
#endif
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