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1 | /** @file\r | |
2 | \r | |
3 | Copyright (c) 2007, Intel Corporation\r | |
4 | All rights reserved. This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | UsbHub.h\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | The definition for USB hub\r | |
19 | \r | |
20 | Revision History\r | |
21 | \r | |
22 | \r | |
23 | **/\r | |
24 | \r | |
25 | #ifndef _USB_HUB_H_\r | |
26 | #define _USB_HUB_H_\r | |
27 | \r | |
28 | #define USB_ENDPOINT_ADDR(EpAddr) ((EpAddr) & 0x7F)\r | |
29 | #define USB_ENDPOINT_TYPE(Desc) ((Desc)->Attributes & USB_ENDPOINT_TYPE_MASK)\r | |
30 | \r | |
31 | enum {\r | |
32 | USB_DESC_TYPE_HUB = 0x29,\r | |
33 | \r | |
34 | //\r | |
35 | // Hub class control transfer target\r | |
36 | //\r | |
37 | USB_HUB_TARGET_HUB = 0,\r | |
38 | USB_HUB_TARGET_PORT = 3,\r | |
39 | \r | |
40 | //\r | |
41 | // HUB class specific contrl transfer request type\r | |
42 | //\r | |
43 | USB_HUB_REQ_GET_STATUS = 0,\r | |
44 | USB_HUB_REQ_CLEAR_FEATURE = 1,\r | |
45 | USB_HUB_REQ_SET_FEATURE = 3,\r | |
46 | USB_HUB_REQ_GET_DESC = 6,\r | |
47 | USB_HUB_REQ_SET_DESC = 7,\r | |
48 | USB_HUB_REQ_CLEAR_TT = 8,\r | |
49 | USB_HUB_REQ_RESET_TT = 9,\r | |
50 | USB_HUB_REQ_GET_TT_STATE = 10,\r | |
51 | USB_HUB_REQ_STOP_TT = 11,\r | |
52 | \r | |
53 | \r | |
54 | //\r | |
55 | // USB hub class feature selector\r | |
56 | //\r | |
57 | USB_HUB_C_HUB_LOCAL_POWER = 0,\r | |
58 | USB_HUB_C_HUB_OVER_CURRENT = 1,\r | |
59 | USB_HUB_PORT_CONNECTION = 0,\r | |
60 | USB_HUB_PORT_ENABLE = 1,\r | |
61 | USB_HUB_PORT_SUSPEND = 2,\r | |
62 | USB_HUB_PORT_OVER_CURRENT = 3,\r | |
63 | USB_HUB_PORT_RESET = 4,\r | |
64 | USB_HUB_PORT_POWER = 8,\r | |
65 | USB_HUB_PORT_LOW_SPEED = 9,\r | |
66 | USB_HUB_C_PORT_CONNECT = 16,\r | |
67 | USB_HUB_C_PORT_ENABLE = 17,\r | |
68 | USB_HUB_C_PORT_SUSPEND = 18,\r | |
69 | USB_HUB_C_PORT_OVER_CURRENT = 19,\r | |
70 | USB_HUB_C_PORT_RESET = 20,\r | |
71 | USB_HUB_PORT_TEST = 21,\r | |
72 | USB_HUB_PORT_INDICATOR = 22,\r | |
73 | \r | |
74 | //\r | |
75 | // USB hub power control method. In gang power control\r | |
76 | //\r | |
77 | USB_HUB_GANG_POWER_CTRL = 0,\r | |
78 | USB_HUB_PORT_POWER_CTRL = 0x01,\r | |
79 | \r | |
80 | //\r | |
81 | // USB hub status bits\r | |
82 | //\r | |
83 | USB_HUB_STAT_LOCAL_POWER = 0x01,\r | |
84 | USB_HUB_STAT_OVER_CURRENT = 0x02,\r | |
85 | USB_HUB_STAT_C_LOCAL_POWER = 0x01,\r | |
86 | USB_HUB_STAT_C_OVER_CURRENT = 0x02,\r | |
87 | \r | |
88 | USB_HUB_CLASS_CODE = 0x09,\r | |
89 | USB_HUB_SUBCLASS_CODE = 0x00,\r | |
90 | \r | |
91 | \r | |
92 | USB_HUB_LOOP = 50,\r | |
93 | };\r | |
94 | \r | |
95 | #pragma pack(1)\r | |
96 | //\r | |
97 | // Hub descriptor, the last two fields are of variable lenght.\r | |
98 | //\r | |
99 | typedef struct {\r | |
100 | UINT8 Length;\r | |
101 | UINT8 DescType;\r | |
102 | UINT8 NumPorts;\r | |
103 | UINT16 HubCharacter;\r | |
104 | UINT8 PwrOn2PwrGood;\r | |
105 | UINT8 HubContrCurrent;\r | |
106 | UINT8 Filler[16];\r | |
107 | } EFI_USB_HUB_DESCRIPTOR;\r | |
108 | #pragma pack()\r | |
109 | \r | |
110 | \r | |
111 | typedef struct {\r | |
112 | UINT16 ChangedBit;\r | |
113 | EFI_USB_PORT_FEATURE Feature;\r | |
114 | } USB_CHANGE_FEATURE_MAP;\r | |
115 | \r | |
116 | \r | |
117 | EFI_STATUS\r | |
118 | UsbHubCtrlClearTTBuffer (\r | |
119 | IN USB_DEVICE *UsbDev,\r | |
120 | IN UINT8 Port,\r | |
121 | IN UINT16 DevAddr,\r | |
122 | IN UINT16 EpNum,\r | |
123 | IN UINT16 EpType\r | |
124 | );\r | |
125 | \r | |
126 | \r | |
127 | BOOLEAN\r | |
128 | UsbIsHubInterface (\r | |
129 | IN USB_INTERFACE *UsbIf\r | |
130 | );\r | |
131 | \r | |
132 | EFI_STATUS\r | |
133 | UsbHubAckHubStatus (\r | |
134 | IN USB_DEVICE *UsbDev\r | |
135 | );\r | |
136 | \r | |
137 | extern USB_HUB_API mUsbHubApi;\r | |
138 | extern USB_HUB_API mUsbRootHubApi;\r | |
139 | #endif\r | |
140 | \r |