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// MIT License, Copyright (c) 2021 Marvin Borner
#ifndef DEVICE_H
#define DEVICE_H
#include <def.h>
#include <disk.h>
enum device_type {
DEVICE_NONE,
DEVICE_DISK,
DEVICE_FB,
};
struct dev {
u8 id;
enum device_type type;
char name[16];
s32 (*read)(void *, u32, u32, struct dev *);
s32 (*write)(const void *, u32, u32, struct dev *);
union {
struct {
struct fs fs;
} disk;
// TODO: Other (framebuffer?)
} p; // Prototype union
u32 data; // Optional (device-specific) data/information
};
struct dev *device_get_by_id(u8 id);
struct dev *device_get_by_name(const char *name, u32 len);
void device_foreach(enum device_type type, u8 (*cb)(struct dev *)); // cb=1 => break
u8 device_register(enum device_type type, char *name, u32 data,
s32 (*read)(void *, u32, u32, struct dev *),
s32 (*write)(const void *, u32, u32, struct dev *));
void device_print(void);
#endif
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