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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
#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
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