keii.dev
1/*
2 * Copyright (C) 2020-2022 The opuntiaOS Project Authors.
3 * + Contributed by Nikita Melekhin <nimelehin@gmail.com>
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9#ifndef _KERNEL_DRIVERS_BITS_DEVICE_H
10#define _KERNEL_DRIVERS_BITS_DEVICE_H
11
12#include <libkern/types.h>
13
14enum DEVICES_TYPE {
15 DEVICE_STORAGE = (1 << 0),
16 DEVICE_SOUND = (1 << 1),
17 DEVICE_INPUT_SYSTEMS = (1 << 2),
18 DEVICE_NETWORK = (1 << 3),
19 DEVICE_DISPLAY = (1 << 4),
20 DEVICE_BUS_CONTROLLER = (1 << 5),
21 DEVICE_BRIDGE = (1 << 6),
22 DEVICE_CHAR = (1 << 7),
23 DEVICE_UNKNOWN = (1 << 8),
24};
25
26enum DEVICE_DESC_TYPE {
27 DEVICE_DESC_PCI,
28 DEVICE_DESC_DEVTREE,
29};
30
31struct device_desc_pci {
32 uint8_t bus;
33 uint8_t device;
34 uint8_t function;
35 uint16_t vendor_id;
36 uint16_t device_id;
37 uint8_t class_id;
38 uint8_t subclass_id;
39 uint8_t interface_id;
40 uint8_t revision_id;
41 uint32_t interrupt;
42 uint32_t port_base;
43};
44typedef struct device_desc_pci device_desc_pci_t;
45
46struct devtree_entry;
47struct device_desc_devtree {
48 struct devtree_entry* entry;
49};
50typedef struct device_desc_devtree device_desc_devtree_t;
51
52struct device_desc {
53 int type;
54 union {
55 device_desc_pci_t pci;
56 device_desc_devtree_t devtree;
57 };
58 uint32_t args[4];
59};
60typedef struct device_desc device_desc_t;
61
62#define DRIVER_ID_EMPTY (0xff)
63struct device {
64 int id;
65 int type;
66 bool is_virtual;
67 int driver_id;
68 device_desc_t device_desc;
69};
70typedef struct device device_t;
71
72#endif // _KERNEL_DRIVERS_BITS_DEVICE_H