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|
/*************************************************/
/* here we define sanei_inb/sanei_outb based on */
/* OS dependent inb/outb definitions */
/* SANE_INB is defined whenever a valid inb/outb */
/* definition has been found */
/*************************************************/
#include "../include/sane/config.h"
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include "../include/sane/sane.h"
#include "../include/sane/sanei.h"
#include "../include/sane/sanei_directio.h"
#ifdef ENABLE_PARPORT_DIRECTIO
#define TEST_SANE_INB(val) ( SANE_INB == val )
#if ( TEST_SANE_INB(1) ) /* OS/2 EMX case */
int
sanei_ioperm (int start, int length, int enable)
{
if (enable)
return _portaccess (port, port + length - 1);
return 0;
}
unsigned char
sanei_inb (unsigned int port)
{
return _inp8 (port) & 0xFF;
}
void
sanei_outb (unsigned int port, unsigned char value)
{
_outp8 (port, value);
}
void
sanei_insb (unsigned int port, unsigned char *addr, unsigned long count)
{
_inps8 (port, (unsigned char *) addr, count);
}
void
sanei_insl (unsigned int port, unsigned char *addr, unsigned long count)
{
_inps32 (port, (unsigned long *) addr, count);
}
void
sanei_outsb (unsigned int port, const unsigned char *addr,
unsigned long count)
{
_outps8 (port, (unsigned char *) addr, count);
}
void
sanei_outsl (unsigned int port, const unsigned char *addr,
unsigned long count)
{
_outps32 (port, (unsigned long *) addr, count);
}
#endif /* OS/2 EMX case */
#if ( TEST_SANE_INB(2) ) /* FreeBSD case */
int
sanei_ioperm (int start, int length, int enable)
{
#ifdef HAVE_I386_SET_IOPERM
return i386_set_ioperm (start, length, enable);
#else
int fd = 0;
/* makes compilers happy */
start = length + enable;
fd = open ("/dev/io", O_RDONLY);
if (fd > 0)
return 0;
return -1;
#endif
}
unsigned char
sanei_inb (unsigned int port)
{
return inb (port);
}
void
sanei_outb (unsigned int port, unsigned char value)
{
outb (port, value);
}
void
sanei_insb (unsigned int port, unsigned char *addr, unsigned long count)
{
insb (port, addr, count);
}
void
sanei_insl (unsigned int port, unsigned char *addr, unsigned long count)
{
insl (port, addr, count);
}
void
sanei_outsb (unsigned int port, const unsigned char *addr,
unsigned long count)
{
outsb (port, addr, count);
}
void
sanei_outsl (unsigned int port, const unsigned char *addr,
unsigned long count)
{
outsl (port, addr, count);
}
#endif /* FreeBSD case */
/* linux GCC on i386 */
#if ( TEST_SANE_INB(3) ) /* FreeBSD case */
int
sanei_ioperm (int start, int length, int enable)
{
#ifdef HAVE_IOPERM
return ioperm (start, length, enable);
#else
/* linux without ioperm ? hum ... */
/* makes compilers happy */
start = length + enable;
return 0;
#endif
}
unsigned char
sanei_inb (unsigned int port)
{
return inb (port);
}
void
sanei_outb (unsigned int port, unsigned char value)
{
outb (value, port);
}
void
sanei_insb (unsigned int port, unsigned char *addr, unsigned long count)
{
insb (port, addr, count);
}
void
sanei_insl (unsigned int port, unsigned char *addr, unsigned long count)
{
insl (port, addr, count);
}
void
sanei_outsb (unsigned int port, const unsigned char *addr,
unsigned long count)
{
outsb (port, addr, count);
}
void
sanei_outsl (unsigned int port, const unsigned char *addr,
unsigned long count)
{
/* oddly, 32 bit I/O are done with outsw instead of the expected outsl */
outsw (port, addr, count);
}
#endif /* linux GCC on i386 */
/* linux GCC non i386 */
#if ( TEST_SANE_INB(4) )
int
sanei_ioperm (int start, int length, int enable)
{
#ifdef HAVE_IOPERM
return ioperm (start, length, enable);
#else
/* linux without ioperm ? hum ... */
/* makes compilers happy */
start = length + enable;
return 0;
#endif
}
unsigned char
sanei_inb (unsigned int port)
{
return inb (port);
}
void
sanei_outb (unsigned int port, unsigned char value)
{
outb (value, port);
}
void
sanei_insb (unsigned int port, unsigned char *addr, unsigned long count)
{
unsigned int i;
for (i = 0; i < count; i++)
addr[i] = sanei_inb (port);
}
void
sanei_insl (unsigned int port, unsigned char *addr, unsigned long count)
{
unsigned int i;
for (i = 0; i < count * 4; i++)
addr[i] = sanei_inb (port);
}
void
sanei_outsb (unsigned int port, const unsigned char *addr,
unsigned long count)
{
unsigned int i;
for (i = 0; i < count; i++)
sanei_outb (port, addr[i]);
}
void
sanei_outsl (unsigned int port, const unsigned char *addr,
unsigned long count)
{
unsigned int i;
for (i = 0; i < count * 4; i++)
sanei_outb (port, addr[i]);
}
#endif /* linux GCC non i386 */
/* ICC on i386 */
#if ( TEST_SANE_INB(5) )
int
sanei_ioperm (int start, int length, int enable)
{
#ifdef HAVE_IOPERM
return ioperm (start, length, enable);
#else
/* ICC without ioperm() ... */
/* makes compilers happy */
start = length + enable;
return 0;
#endif
}
unsigned char
sanei_inb (unsigned int port)
{
unsigned char ret;
__asm__ __volatile__ ("inb %%dx,%%al":"=a" (ret):"d" ((u_int) port));
return ret;
}
void
sanei_outb (unsigned int port, unsigned char value)
{
__asm__ __volatile__ ("outb %%al,%%dx"::"a" (value), "d" ((u_int) port));
}
void
sanei_insb (unsigned int port, void *addr, unsigned long count)
{
__asm__ __volatile__ ("rep ; insb":"=D" (addr), "=c" (count):"d" (port),
"0" (addr), "1" (count));
}
void
sanei_insl (unsigned int port, void *addr, unsigned long count)
{
__asm__ __volatile__ ("rep ; insl":"=D" (addr), "=c" (count):"d" (port),
"0" (addr), "1" (count));
}
void
sanei_outsb (unsigned int port, const void *addr, unsigned long count)
{
__asm__ __volatile__ ("rep ; outsb":"=S" (addr), "=c" (count):"d" (port),
"0" (addr), "1" (count));
}
void
sanei_outsl (unsigned int port, const void *addr, unsigned long count)
{
__asm__ __volatile__ ("rep ; outsl":"=S" (addr), "=c" (count):"d" (port),
"0" (addr), "1" (count));
}
#endif /* ICC on i386 */
#endif /* ENABLE_PARPORT_DIRECTIO */
/*
* no inb/outb without --enable-parport-directio *
*/
#ifndef ENABLE_PARPORT_DIRECTIO
int
sanei_ioperm (__sane_unused__ int start, __sane_unused__ int length,
__sane_unused__ int enable)
{
/* returns failure */
return -1;
}
unsigned char
sanei_inb (__sane_unused__ unsigned int port)
{
return 255;
}
void
sanei_outb (__sane_unused__ unsigned int port,
__sane_unused__ unsigned char value)
{
}
void
sanei_insb (__sane_unused__ unsigned int port,
__sane_unused__ unsigned char *addr,
__sane_unused__ unsigned long count)
{
}
void
sanei_insl (__sane_unused__ unsigned int port,
__sane_unused__ unsigned char *addr,
__sane_unused__ unsigned long count)
{
}
void
sanei_outsb (__sane_unused__ unsigned int port,
__sane_unused__ const unsigned char *addr,
__sane_unused__ unsigned long count)
{
}
void
sanei_outsl (__sane_unused__ unsigned int port,
__sane_unused__ const unsigned char *addr,
__sane_unused__ unsigned long count)
{
}
#endif /* ENABLE_PARPORT_DIRECTIO is not defined */
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