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e237e7ae | 1 | /** @file\r |
2 | Copyright (c) 2004 - 2007, Intel Corporation\r | |
3 | All rights reserved. This program and the accompanying materials\r | |
4 | are licensed and made available under the terms and conditions of the BSD License\r | |
5 | which accompanies this distribution. The full text of the license may be found at\r | |
6 | http://opensource.org/licenses/bsd-license.php\r | |
7 | \r | |
8 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
9 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
10 | \r | |
11 | Module Name:\r | |
12 | \r | |
13 | UsbBus.h\r | |
14 | \r | |
15 | Abstract:\r | |
16 | \r | |
17 | Usb Bus Driver Binding and Bus IO Protocol\r | |
18 | \r | |
19 | Revision History\r | |
20 | \r | |
21 | \r | |
22 | **/\r | |
23 | \r | |
24 | #ifndef _EFI_USB_BUS_H_\r | |
25 | #define _EFI_USB_BUS_H_\r | |
26 | \r | |
ed7748fe | 27 | \r |
e237e7ae | 28 | #include <PiDxe.h>\r |
ed7748fe | 29 | \r |
e237e7ae | 30 | #include <Protocol/Usb2HostController.h>\r |
31 | #include <Protocol/UsbHostController.h>\r | |
32 | #include <Protocol/UsbIo.h>\r | |
33 | #include <Protocol/DevicePath.h>\r | |
ed7748fe | 34 | \r |
e237e7ae | 35 | #include <Library/DebugLib.h>\r |
36 | #include <Library/BaseMemoryLib.h>\r | |
37 | #include <Library/UefiDriverEntryPoint.h>\r | |
38 | #include <Library/UefiBootServicesTableLib.h>\r | |
39 | #include <Library/UefiLib.h>\r | |
40 | #include <Library/DevicePathLib.h>\r | |
41 | #include <Library/MemoryAllocationLib.h>\r | |
42 | \r | |
43 | \r | |
44 | #include <IndustryStandard/Usb.h>\r | |
45 | \r | |
46 | typedef struct _USB_DEVICE USB_DEVICE;\r | |
47 | typedef struct _USB_INTERFACE USB_INTERFACE;\r | |
48 | typedef struct _USB_BUS USB_BUS;\r | |
49 | typedef struct _USB_HUB_API USB_HUB_API;\r | |
50 | \r | |
51 | \r | |
52 | #include "UsbUtility.h"\r | |
53 | #include "UsbDesc.h"\r | |
54 | #include "UsbHub.h"\r | |
55 | #include "UsbEnumer.h"\r | |
56 | \r | |
57 | enum {\r | |
41e8ff27 | 58 | USB_MAX_LANG_ID = 16,\r |
59 | USB_MAX_INTERFACE = 16,\r | |
60 | USB_MAX_DEVICES = 128,\r | |
61 | \r | |
62 | USB_BUS_1_MILLISECOND = 1000,\r | |
63 | \r | |
e237e7ae | 64 | //\r |
41e8ff27 | 65 | // Roothub and hub's polling interval, set by experience,\r |
66 | // The unit of roothub is 100us, means 1s as interval, and\r | |
67 | // the unit of hub is 1ms, means 64ms as interval.\r | |
e237e7ae | 68 | //\r |
41e8ff27 | 69 | USB_ROOTHUB_POLL_INTERVAL = 1000 * 10000U,\r |
e237e7ae | 70 | USB_HUB_POLL_INTERVAL = 64,\r |
71 | \r | |
72 | //\r | |
41e8ff27 | 73 | // Wait for port stable to work, refers to specification\r |
74 | // [USB20-9.1.2]\r | |
e237e7ae | 75 | //\r |
41e8ff27 | 76 | USB_WAIT_PORT_STABLE_STALL = 100 * USB_BUS_1_MILLISECOND,\r |
77 | \r | |
78 | // \r | |
79 | // Wait for port statue reg change, set by experience\r | |
80 | //\r | |
81 | USB_WAIT_PORT_STS_CHANGE_STALL = 5 * USB_BUS_1_MILLISECOND,\r | |
82 | \r | |
83 | //\r | |
84 | // Wait for set device address, refers to specification\r | |
85 | // [USB20-9.2.6.3, it says 2ms]\r | |
86 | //\r | |
87 | USB_SET_DEVICE_ADDRESS_STALL = 20 * USB_BUS_1_MILLISECOND,\r | |
88 | \r | |
89 | //\r | |
90 | // Wait for retry max packet size, set by experience\r | |
91 | //\r | |
92 | USB_RETRY_MAX_PACK_SIZE_STALL = 100 * USB_BUS_1_MILLISECOND,\r | |
e237e7ae | 93 | \r |
41e8ff27 | 94 | //\r |
95 | // Wait for hub port power-on, refers to specification\r | |
96 | // [USB20-11.23.2]\r | |
97 | //\r | |
98 | USB_SET_PORT_POWER_STALL = 2 * USB_BUS_1_MILLISECOND,\r | |
99 | \r | |
100 | //\r | |
101 | // Wait for port reset, refers to specification \r | |
102 | // [USB20-7.1.7.5, it says 10ms for hub and 50ms for \r | |
103 | // root hub]\r | |
104 | //\r | |
105 | USB_SET_PORT_RESET_STALL = 20 * USB_BUS_1_MILLISECOND,\r | |
106 | USB_SET_ROOT_PORT_RESET_STALL = 50 * USB_BUS_1_MILLISECOND,\r | |
107 | \r | |
108 | //\r | |
109 | // Wait for clear roothub port reset, set by experience\r | |
110 | //\r | |
111 | USB_CLR_ROOT_PORT_RESET_STALL = 1 * USB_BUS_1_MILLISECOND,\r | |
112 | \r | |
113 | //\r | |
114 | // Wait for set roothub port enable, set by experience\r | |
115 | // \r | |
116 | USB_SET_ROOT_PORT_ENABLE_STALL = 20 * USB_BUS_1_MILLISECOND,\r | |
117 | \r | |
118 | //\r | |
119 | // Send general device request timeout, refers to \r | |
120 | // specification[USB20-11.24.1]\r | |
121 | //\r | |
122 | USB_GENERAL_DEVICE_REQUEST_TIMEOUT = 50 * USB_BUS_1_MILLISECOND,\r | |
123 | \r | |
124 | //\r | |
125 | // Send clear feature request timeout, set by experience\r | |
126 | //\r | |
127 | USB_CLEAR_FEATURE_REQUEST_TIMEOUT = 10 * USB_BUS_1_MILLISECOND,\r | |
128 | \r | |
e237e7ae | 129 | //\r |
130 | // Bus raises TPL to TPL_NOTIFY to serialize all its operations\r | |
131 | // to protect shared data structures.\r | |
132 | //\r | |
133 | USB_BUS_TPL = TPL_NOTIFY,\r | |
134 | \r | |
135 | USB_INTERFACE_SIGNATURE = EFI_SIGNATURE_32 ('U', 'S', 'B', 'I'),\r | |
c52fa98c | 136 | USB_BUS_SIGNATURE = EFI_SIGNATURE_32 ('U', 'S', 'B', 'B')\r |
e237e7ae | 137 | };\r |
138 | \r | |
139 | #define USB_BIT(a) ((UINTN)(1 << (a)))\r | |
140 | #define USB_BIT_IS_SET(Data, Bit) ((BOOLEAN)(((Data) & (Bit)) == (Bit)))\r | |
141 | \r | |
142 | #define EFI_USB_BUS_PROTOCOL_GUID \\r | |
84b5c78e | 143 | {0x2B2F68CC, 0x0CD2, 0x44cf, {0x8E, 0x8B, 0xBB, 0xA2, 0x0B, 0x1B, 0x5B, 0x75}}\r |
e237e7ae | 144 | \r |
145 | #define USB_INTERFACE_FROM_USBIO(a) \\r | |
146 | CR(a, USB_INTERFACE, UsbIo, USB_INTERFACE_SIGNATURE)\r | |
147 | \r | |
148 | #define USB_BUS_FROM_THIS(a) \\r | |
149 | CR(a, USB_BUS, BusId, USB_BUS_SIGNATURE)\r | |
150 | \r | |
151 | //\r | |
152 | // Used to locate USB_BUS\r | |
153 | //\r | |
154 | typedef struct _EFI_USB_BUS_PROTOCOL {\r | |
155 | UINT64 Reserved;\r | |
156 | } EFI_USB_BUS_PROTOCOL;\r | |
157 | \r | |
158 | \r | |
159 | //\r | |
160 | // Stands for the real USB device. Each device may\r | |
161 | // has several seperately working interfaces.\r | |
162 | //\r | |
c52fa98c | 163 | struct _USB_DEVICE {\r |
e237e7ae | 164 | USB_BUS *Bus;\r |
165 | \r | |
166 | //\r | |
167 | // Configuration information\r | |
168 | //\r | |
169 | UINT8 Speed;\r | |
170 | UINT8 Address;\r | |
171 | UINT8 MaxPacket0;\r | |
172 | \r | |
173 | //\r | |
174 | // The device's descriptors and its configuration\r | |
175 | //\r | |
176 | USB_DEVICE_DESC *DevDesc;\r | |
177 | USB_CONFIG_DESC *ActiveConfig;\r | |
178 | \r | |
179 | UINT16 LangId [USB_MAX_LANG_ID];\r | |
180 | UINT16 TotalLangId;\r | |
181 | \r | |
182 | UINT8 NumOfInterface;\r | |
183 | USB_INTERFACE *Interfaces [USB_MAX_INTERFACE];\r | |
184 | \r | |
185 | //\r | |
186 | // Parent child relationship\r | |
187 | //\r | |
188 | EFI_USB2_HC_TRANSACTION_TRANSLATOR Translator;\r | |
189 | \r | |
190 | UINT8 ParentAddr;\r | |
191 | USB_INTERFACE *ParentIf;\r | |
192 | UINT8 ParentPort; // Start at 0\r | |
c52fa98c | 193 | };\r |
e237e7ae | 194 | \r |
195 | //\r | |
196 | // Stands for different functions of USB device\r | |
197 | //\r | |
c52fa98c | 198 | struct _USB_INTERFACE {\r |
e237e7ae | 199 | UINTN Signature;\r |
200 | USB_DEVICE *Device;\r | |
201 | USB_INTERFACE_DESC *IfDesc;\r | |
202 | USB_INTERFACE_SETTING *IfSetting;\r | |
203 | \r | |
204 | //\r | |
205 | // Handles and protocols\r | |
206 | //\r | |
207 | EFI_HANDLE Handle;\r | |
208 | EFI_USB_IO_PROTOCOL UsbIo;\r | |
209 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
210 | BOOLEAN IsManaged;\r | |
211 | \r | |
212 | //\r | |
213 | // Hub device special data\r | |
214 | //\r | |
215 | BOOLEAN IsHub;\r | |
216 | USB_HUB_API *HubApi;\r | |
217 | UINT8 NumOfPort;\r | |
218 | EFI_EVENT HubNotify;\r | |
219 | \r | |
220 | //\r | |
221 | // Data used only by normal hub devices\r | |
222 | //\r | |
223 | USB_ENDPOINT_DESC *HubEp;\r | |
224 | UINT8 *ChangeMap;\r | |
225 | \r | |
226 | //\r | |
227 | // Data used only by root hub to hand over device to\r | |
228 | // companion UHCI driver if low/full speed devices are\r | |
229 | // connected to EHCI.\r | |
230 | //\r | |
231 | UINT8 MaxSpeed;\r | |
c52fa98c | 232 | };\r |
e237e7ae | 233 | \r |
234 | //\r | |
235 | // Stands for the current USB Bus\r | |
236 | //\r | |
c52fa98c | 237 | struct _USB_BUS {\r |
e237e7ae | 238 | UINTN Signature;\r |
239 | EFI_USB_BUS_PROTOCOL BusId;\r | |
240 | \r | |
241 | //\r | |
242 | // Managed USB host controller\r | |
243 | //\r | |
244 | EFI_HANDLE HostHandle;\r | |
245 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
246 | EFI_USB2_HC_PROTOCOL *Usb2Hc;\r | |
247 | EFI_USB_HC_PROTOCOL *UsbHc;\r | |
248 | \r | |
249 | //\r | |
250 | // An array of device that is on the bus. Devices[0] is\r | |
251 | // for root hub. Device with address i is at Devices[i].\r | |
252 | //\r | |
253 | USB_DEVICE *Devices[USB_MAX_DEVICES];\r | |
c52fa98c | 254 | };\r |
e237e7ae | 255 | \r |
62b9bb55 | 256 | extern EFI_USB_IO_PROTOCOL mUsbIoProtocol;\r |
257 | extern EFI_DRIVER_BINDING_PROTOCOL mUsbBusDriverBinding;\r | |
258 | extern EFI_COMPONENT_NAME_PROTOCOL mUsbBusComponentName;\r | |
259 | extern EFI_COMPONENT_NAME2_PROTOCOL mUsbBusComponentName2;\r | |
e237e7ae | 260 | \r |
261 | #endif\r |