// devices.h
// Author: Josh Holtrop
// Date: 08/02/04
// Modified: 08/07/04

#ifndef __HOS_DEVICES_H__
#define __HOS_DEVICES_H__ __HOS_DEVICES_H__

#include "hos_defines.h"

#define MAJORC_VCONSOLE 4
#define MAJORC_PARALLEL 6

typedef unsigned char major_t;
typedef unsigned char minor_t;

typedef struct {
	int	(*block_read)(minor_t minor, u32_t blockStart, u32_t blocks, void *buffer);
	int	(*block_write)(minor_t minor, u32_t blockStart, u32_t blocks, void *buffer);
	int	(*char_read)(minor_t minor);
	int	(*char_write)(minor_t minor, int c);
} dev_driver_t;

void	devices_init();
int	devices_register_major(char type, major_t major, dev_driver_t *dev);

int	block_read(major_t major, minor_t minor, u32_t blockStart, u32_t blocks, void *buffer);
int	block_write(major_t major, minor_t minor, u32_t blockStart, u32_t blocks, void *buffer);
int	char_read(major_t major, minor_t minor);
int	char_write(major_t major, minor_t minor, int c);


#endif