blob: 7956b163e72046691765b01e1b228cae81105bdd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/*
* Copyright (c) 2022, sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef USB_HUB_H
#define USB_HUB_H
/* HUB Class Descriptor Types */
#define HUB_DESCRIPTOR_TYPE_HUB 0x29
#define HUB_DESCRIPTOR_TYPE_HUB3 0x2A
/* Hub class requests */
#define HUB_REQUEST_GET_STATUS USB_REQUEST_GET_STATUS
#define HUB_REQUEST_CLEAR_FEATURE USB_REQUEST_CLEAR_FEATURE
#define HUB_REQUEST_SET_FEATURE USB_REQUEST_SET_FEATURE
#define HUB_REQUEST_GET_DESCRIPTOR USB_REQUEST_GET_DESCRIPTOR
#define HUB_REQUEST_SET_DESCRIPTOR USB_REQUEST_SET_DESCRIPTOR
#define HUB_REQUEST_CLEAR_TT_BUFFER (0x08)
#define HUB_REQUEST_RESET_TT (0x09)
#define HUB_REQUEST_GET_TT_STATE (0x0a)
#define HUB_REQUEST_STOP_TT (0x0b)
#define HUB_REQUEST_SET_HUB_DEPTH (0x0C)
/* Hub class features */
#define HUB_FEATURE_HUB_C_LOCALPOWER (0x0)
#define HUB_FEATURE_HUB_C_OVERCURRENT (0x1)
/* Port features */
#define HUB_PORT_FEATURE_CONNECTION (0x00)
#define HUB_PORT_FEATURE_ENABLE (0x01)
#define HUB_PORT_FEATURE_SUSPEND (0x02)
#define HUB_PORT_FEATURE_OVERCURRENT (0x03)
#define HUB_PORT_FEATURE_RESET (0x04)
#define HUB_PORT_FEATURE_L1 (0x05)
#define HUB_PORT_FEATURE_POWER (0x08)
#define HUB_PORT_FEATURE_LOWSPEED (0x09)
#define HUB_PORT_FEATURE_HIGHSPEED (0x0a)
#define HUB_PORT_FEATURE_C_CONNECTION (0x10)
#define HUB_PORT_FEATURE_C_ENABLE (0x11)
#define HUB_PORT_FEATURE_C_SUSPEND (0x12)
#define HUB_PORT_FEATURE_C_OVER_CURREN (0x13)
#define HUB_PORT_FEATURE_C_RESET (0x14)
#define HUB_PORT_FEATURE_TEST (0x15)
#define HUB_PORT_FEATURE_INDICATOR (0x16)
#define HUB_PORT_FEATURE_C_PORTL1 (0x17)
/* Hub status */
#define HUB_STATUS_LOCALPOWER (1 << 0)
#define HUB_STATUS_OVERCURRENT (1 << 1)
/* Hub status change */
#define HUB_STATUS_C_LOCALPOWER (1 << 0)
#define HUB_STATUS_C_OVERCURRENT (1 << 1)
/* Hub port status */
#define HUB_PORT_STATUS_CONNECTION (1 << 0)
#define HUB_PORT_STATUS_ENABLE (1 << 1)
#define HUB_PORT_STATUS_SUSPEND (1 << 2)
#define HUB_PORT_STATUS_OVERCURRENT (1 << 3)
#define HUB_PORT_STATUS_RESET (1 << 4)
#define HUB_PORT_STATUS_L1 (1 << 5)
#define HUB_PORT_STATUS_POWER (1 << 8)
#define HUB_PORT_STATUS_LOW_SPEED (1 << 9)
#define HUB_PORT_STATUS_HIGH_SPEED (1 << 10)
#define HUB_PORT_STATUS_TEST (1 << 11)
#define HUB_PORT_STATUS_INDICATOR (1 << 12)
/* Hub port status change */
#define HUB_PORT_STATUS_C_CONNECTION (1 << 0)
#define HUB_PORT_STATUS_C_ENABLE (1 << 1)
#define HUB_PORT_STATUS_C_SUSPEND (1 << 2)
#define HUB_PORT_STATUS_C_OVERCURRENT (1 << 3)
#define HUB_PORT_STATUS_C_RESET (1 << 4)
#define HUB_PORT_STATUS_C_L1 (1 << 5)
/* Hub characteristics */
#define HUB_CHAR_LPSM_SHIFT (0) /* Bits 0-1: Logical Power Switching Mode */
#define HUB_CHAR_LPSM_MASK (3 << HUB_CHAR_LPSM_SHIFT)
#define HUB_CHAR_LPSM_GANGED (0 << HUB_CHAR_LPSM_SHIFT)
#define HUB_CHAR_LPSM_INDIVIDUAL (1 << HUB_CHAR_LPSM_SHIFT)
#define HUB_CHAR_COMPOUND (1 << 2) /* Bit 2: Compound device */
#define HUB_CHAR_OCPM_SHIFT (3) /* Bits 3-4: Over-current Protection Mode */
#define HUB_CHAR_OCPM_MASK (3 << HUB_CHAR_OCPM_SHIFT)
#define HUB_CHAR_OCPM_GLOBAL (0 << HUB_CHAR_OCPM_SHIFT)
#define HUB_CHAR_OCPM_INDIVIDUAL (1 << HUB_CHAR_OCPM_SHIFT)
#define HUB_CHAR_TTTT_SHIFT (5) /* Bits 5-6: TT Think Time */
#define HUB_CHAR_TTTT_MASK (3 << HUB_CHAR_TTTT_SHIFT)
#define HUB_CHAR_TTTT_8_BITS (0 << HUB_CHAR_TTTT_SHIFT)
#define HUB_CHAR_TTTT_16_BITS (1 << HUB_CHAR_TTTT_SHIFT)
#define HUB_CHAR_TTTT_24_BITS (2 << HUB_CHAR_TTTT_SHIFT)
#define HUB_CHAR_TTTT_32_BITS (3 << HUB_CHAR_TTTT_SHIFT)
#define HUB_CHAR_PORTIND (1 << 7) /* Bit 7: Port Indicators Supported */
/* Hub descriptor */
struct usb_hub_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bNbrPorts;
uint16_t wHubCharacteristics;
uint8_t bPwrOn2PwrGood;
uint8_t bHubContrCurrent;
uint8_t DeviceRemovable;
uint8_t PortPwrCtrlMask;
} __PACKED;
#define USB_SIZEOF_HUB_DESC 9
/* Hub status */
struct hub_status {
uint16_t wPortStatus;
uint16_t wPortChange;
};
/* Hub port status */
struct hub_port_status {
uint16_t wPortStatus;
uint16_t wPortChange;
};
#endif /* USB_HUB_H */
|
