// This file is part of noxos and licensed under the MIT open source license

#ifndef NOXOS_DRIVER_H
#define NOXOS_DRIVER_H

#include <utils/stdtypes.h>
#include <drivers/builtin/elf/elf.h>

typedef enum {
    DRIVER_TRANSPORT_PCI,
    DRIVER_TRANSPORT_USB,
    DRIVER_TRANSPORT_FS
} __attribute__((packed)) driver_transport_protocol_E;

typedef struct {
    driver_transport_protocol_E transport_protocol:8;
    uint16_t                    length;
    uint8_t                     specific_config[];
} __attribute__((packed)) driver_config_header_T;

typedef struct {
    uint16_t vendor_id;
    uint16_t device_id;
} __attribute__((packed)) driver_config_device_id_T;

typedef struct {
    bool                        enable_progif;
    uint8_t                     class;
    uint8_t                     subclass;
    uint8_t                     progif;
    uint16_t                    num_device_ids;
    driver_config_device_id_T   device_ids;
} __attribute__((packed)) driver_config_pci_T;

typedef struct {
    uint8_t                     min_version;
    uint16_t                    num_device_ids;
    driver_config_device_id_T   device_ids;
} __attribute__((packed)) driver_config_usb_T;

typedef struct {
    uint8_t gpt_guid[16];
    uint8_t mbr_type;
} __attribute__((packed)) driver_config_fs_T;


typedef struct {

} driver_T;

typedef struct {

} driver_manager_T;

void      driver_manager_init       ();
driver_T* driver_register           (driver_config_header_T* config, elf_executable_T* executable);
driver_T* driver_lookup_pci_device  (uint16_t vendor_id, uint16_t device_id);
driver_T* driver_lookup_usb_device  (uint16_t vendor_id, uint16_t device_id);
driver_T* driver_lookup_fs_gpt      (uint8_t guid[16]);
driver_T* driver_lookup_fs_mbr      (uint8_t type);

#endif //NOXOS_DRIVER_H