#ifndef __PHYSIO_HELPERS_H
#define __PHYSIO_HELPERS_H

#include <hardware.h>

#include "disk.h"

/*
 * 8 bits helpers
 */
#define OUT8(port, value) \
_out(port, value & 0xFF);

#define IN8(var, port) \
var = _in(port);

/*
 * 16 bits helpers
 */
#ifdef BIG_ENDIAN

#define OUT16(port, value) \
_out(port, (value >> 8) & 0xFF); \
_out(port+1, value & 0xFF);

#define IN16(var, port) \
var = _in(port) << 8; \
var |= _in(port+1);

#else

#define OUT16(port, value) \
_out(port, (value >> 8) & 0xFF); \
_out(port+1, value & 0xFF);

#define IN16(var, port) \
var = _in(port) << 8; \
var |= _in(port+1);

#endif

/*
 * 32 bits helpers
 */
#ifdef BIG_ENDIAN

#define OUT32(port, value) \
_out(port, (value >> 24) & 0xFF); \
_out(port+1, (value >> 16) & 0xFF); \
_out(port+2, (value >> 8) & 0xFF); \
_out(port+3, value & 0xFF);

#define IN32(var, port) \
var = _in(port) << 24; \
var |= _in(port+1) << 16; \
var |= _in(port+2) << 8; \
var |= _in(port+3);

#else

#define OUT32(port, value) \
_out(port, (value >> 24) & 0xFF); \
_out(port+1, (value >> 16) & 0xFF); \
_out(port+2, (value >> 8) & 0xFF); \
_out(port+3, value & 0xFF);

#define IN32(var, port) \
var = _in(port) << 24; \
var |= _in(port+1) << 16; \
var |= _in(port+2) << 8; \
var |= _in(port+3);

#endif

/*
 * MISC Macros
 */
#define WAIT_HDD() \
 _sleep(HDA_IRQ);


#endif /* __PHYSIO_HELPERS_H */