]>
Commit | Line | Data |
---|---|---|
913cb9dc | 1 | /** @file\r |
2 | \r | |
78c2ffb5 | 3 | This file contains URB request, each request is warpped in a\r |
4 | URB (Usb Request Block).\r | |
5 | \r | |
f87db256 | 6 | Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>\r |
cd5ebaa0 | 7 | This program and the accompanying materials\r |
913cb9dc | 8 | are licensed and made available under the terms and conditions of the BSD License\r |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
913cb9dc | 15 | **/\r |
16 | \r | |
17 | #ifndef _EFI_EHCI_URB_H_\r | |
18 | #define _EFI_EHCI_URB_H_\r | |
19 | \r | |
20 | \r | |
21 | typedef struct _EHC_QTD EHC_QTD;\r | |
22 | typedef struct _EHC_QH EHC_QH;\r | |
23 | typedef struct _URB URB;\r | |
24 | \r | |
1ccdbf2a | 25 | //\r |
26 | // Transfer types, used in URB to identify the transfer type\r | |
27 | //\r | |
28 | #define EHC_CTRL_TRANSFER 0x01\r | |
29 | #define EHC_BULK_TRANSFER 0x02\r | |
30 | #define EHC_INT_TRANSFER_SYNC 0x04\r | |
31 | #define EHC_INT_TRANSFER_ASYNC 0x08\r | |
913cb9dc | 32 | \r |
1ccdbf2a | 33 | #define EHC_QTD_SIG SIGNATURE_32 ('U', 'S', 'B', 'T')\r |
34 | #define EHC_QH_SIG SIGNATURE_32 ('U', 'S', 'B', 'H')\r | |
35 | #define EHC_URB_SIG SIGNATURE_32 ('U', 'S', 'B', 'R')\r | |
913cb9dc | 36 | \r |
1ccdbf2a | 37 | //\r |
38 | // Hardware related bit definitions\r | |
39 | //\r | |
40 | #define EHC_TYPE_ITD 0x00\r | |
41 | #define EHC_TYPE_QH 0x02\r | |
42 | #define EHC_TYPE_SITD 0x04\r | |
43 | #define EHC_TYPE_FSTN 0x06\r | |
44 | \r | |
45 | #define QH_NAK_RELOAD 3\r | |
46 | #define QH_HSHBW_MULTI 1\r | |
47 | \r | |
48 | #define QTD_MAX_ERR 3\r | |
49 | #define QTD_PID_OUTPUT 0x00\r | |
50 | #define QTD_PID_INPUT 0x01\r | |
51 | #define QTD_PID_SETUP 0x02\r | |
52 | \r | |
53 | #define QTD_STAT_DO_OUT 0\r | |
54 | #define QTD_STAT_DO_SS 0\r | |
55 | #define QTD_STAT_DO_PING 0x01\r | |
56 | #define QTD_STAT_DO_CS 0x02\r | |
57 | #define QTD_STAT_TRANS_ERR 0x08\r | |
58 | #define QTD_STAT_BABBLE_ERR 0x10\r | |
59 | #define QTD_STAT_BUFF_ERR 0x20\r | |
60 | #define QTD_STAT_HALTED 0x40\r | |
61 | #define QTD_STAT_ACTIVE 0x80\r | |
62 | #define QTD_STAT_ERR_MASK (QTD_STAT_TRANS_ERR | QTD_STAT_BABBLE_ERR | QTD_STAT_BUFF_ERR)\r | |
63 | \r | |
64 | #define QTD_MAX_BUFFER 4\r | |
65 | #define QTD_BUF_LEN 4096\r | |
66 | #define QTD_BUF_MASK 0x0FFF\r | |
67 | \r | |
68 | #define QH_MICROFRAME_0 0x01\r | |
69 | #define QH_MICROFRAME_1 0x02\r | |
70 | #define QH_MICROFRAME_2 0x04\r | |
71 | #define QH_MICROFRAME_3 0x08\r | |
72 | #define QH_MICROFRAME_4 0x10\r | |
73 | #define QH_MICROFRAME_5 0x20\r | |
74 | #define QH_MICROFRAME_6 0x40\r | |
75 | #define QH_MICROFRAME_7 0x80\r | |
76 | \r | |
77 | #define USB_ERR_SHORT_PACKET 0x200\r | |
913cb9dc | 78 | \r |
79 | //\r | |
80 | // Fill in the hardware link point: pass in a EHC_QH/QH_HW\r | |
81 | // pointer to QH_LINK; A EHC_QTD/QTD_HW pointer to QTD_LINK\r | |
82 | //\r | |
83 | #define QH_LINK(Addr, Type, Term) \\r | |
84 | ((UINT32) ((EHC_LOW_32BIT (Addr) & 0xFFFFFFE0) | (Type) | ((Term) ? 1 : 0)))\r | |
85 | \r | |
86 | #define QTD_LINK(Addr, Term) QH_LINK((Addr), 0, (Term))\r | |
87 | \r | |
88 | //\r | |
89 | // The defination of EHCI hardware used data structure for\r | |
90 | // little endian architecture. The QTD and QH structures\r | |
91 | // are required to be 32 bytes aligned. Don't add members\r | |
92 | // to the head of the associated software strucuture.\r | |
93 | //\r | |
94 | #pragma pack(1)\r | |
95 | typedef struct {\r | |
96 | UINT32 NextQtd;\r | |
97 | UINT32 AltNext;\r | |
98 | \r | |
99 | UINT32 Status : 8;\r | |
100 | UINT32 Pid : 2;\r | |
101 | UINT32 ErrCnt : 2;\r | |
102 | UINT32 CurPage : 3;\r | |
1ccdbf2a | 103 | UINT32 Ioc : 1;\r |
913cb9dc | 104 | UINT32 TotalBytes : 15;\r |
105 | UINT32 DataToggle : 1;\r | |
106 | \r | |
107 | UINT32 Page[5];\r | |
108 | UINT32 PageHigh[5];\r | |
109 | } QTD_HW;\r | |
110 | \r | |
111 | typedef struct {\r | |
112 | UINT32 HorizonLink;\r | |
113 | //\r | |
114 | // Endpoint capabilities/Characteristics DWord 1 and DWord 2\r | |
115 | //\r | |
116 | UINT32 DeviceAddr : 7;\r | |
117 | UINT32 Inactive : 1;\r | |
118 | UINT32 EpNum : 4;\r | |
119 | UINT32 EpSpeed : 2;\r | |
120 | UINT32 DtCtrl : 1;\r | |
121 | UINT32 ReclaimHead : 1;\r | |
122 | UINT32 MaxPacketLen : 11;\r | |
123 | UINT32 CtrlEp : 1;\r | |
124 | UINT32 NakReload : 4;\r | |
125 | \r | |
126 | UINT32 SMask : 8;\r | |
127 | UINT32 CMask : 8;\r | |
128 | UINT32 HubAddr : 7;\r | |
129 | UINT32 PortNum : 7;\r | |
130 | UINT32 Multiplier : 2;\r | |
131 | \r | |
132 | //\r | |
133 | // Transaction execution overlay area\r | |
134 | //\r | |
135 | UINT32 CurQtd;\r | |
136 | UINT32 NextQtd;\r | |
137 | UINT32 AltQtd;\r | |
138 | \r | |
139 | UINT32 Status : 8;\r | |
140 | UINT32 Pid : 2;\r | |
141 | UINT32 ErrCnt : 2;\r | |
142 | UINT32 CurPage : 3;\r | |
1ccdbf2a | 143 | UINT32 Ioc : 1;\r |
913cb9dc | 144 | UINT32 TotalBytes : 15;\r |
145 | UINT32 DataToggle : 1;\r | |
146 | \r | |
147 | UINT32 Page[5];\r | |
148 | UINT32 PageHigh[5];\r | |
149 | } QH_HW;\r | |
150 | #pragma pack()\r | |
151 | \r | |
152 | \r | |
153 | //\r | |
154 | // Endpoint address and its capabilities\r | |
155 | //\r | |
156 | typedef struct _USB_ENDPOINT {\r | |
157 | UINT8 DevAddr;\r | |
158 | UINT8 EpAddr; // Endpoint address, no direction encoded in\r | |
159 | EFI_USB_DATA_DIRECTION Direction;\r | |
160 | UINT8 DevSpeed;\r | |
161 | UINTN MaxPacket;\r | |
162 | UINT8 HubAddr;\r | |
163 | UINT8 HubPort;\r | |
164 | UINT8 Toggle; // Data toggle, not used for control transfer\r | |
165 | UINTN Type;\r | |
166 | UINTN PollRate; // Polling interval used by EHCI\r | |
167 | } USB_ENDPOINT;\r | |
168 | \r | |
169 | //\r | |
170 | // Software QTD strcture, this is used to manage all the\r | |
171 | // QTD generated from a URB. Don't add fields before QtdHw.\r | |
172 | //\r | |
c52fa98c | 173 | struct _EHC_QTD {\r |
913cb9dc | 174 | QTD_HW QtdHw;\r |
175 | UINT32 Signature;\r | |
176 | LIST_ENTRY QtdList; // The list of QTDs to one end point\r | |
177 | UINT8 *Data; // Buffer of the original data\r | |
178 | UINTN DataLen; // Original amount of data in this QTD\r | |
c52fa98c | 179 | };\r |
913cb9dc | 180 | \r |
181 | //\r | |
182 | // Software QH structure. All three different transaction types\r | |
183 | // supported by UEFI USB, that is the control/bulk/interrupt\r | |
184 | // transfers use the queue head and queue token strcuture.\r | |
185 | //\r | |
186 | // Interrupt QHs are linked to periodic frame list in the reversed\r | |
187 | // 2^N tree. Each interrupt QH is linked to the list starting at\r | |
188 | // frame 0. There is a dummy interrupt QH linked to each frame as\r | |
189 | // a sentinental whose polling interval is 1. Synchronous interrupt\r | |
190 | // transfer is linked after this dummy QH.\r | |
191 | //\r | |
192 | // For control/bulk transfer, only synchronous (in the sense of UEFI)\r | |
193 | // transfer is supported. A dummy QH is linked to EHCI AsyncListAddr\r | |
194 | // as the reclamation header. New transfer is inserted after this QH.\r | |
195 | //\r | |
c52fa98c | 196 | struct _EHC_QH {\r |
913cb9dc | 197 | QH_HW QhHw;\r |
198 | UINT32 Signature;\r | |
199 | EHC_QH *NextQh; // The queue head pointed to by horizontal link\r | |
200 | LIST_ENTRY Qtds; // The list of QTDs to this queue head\r | |
201 | UINTN Interval;\r | |
c52fa98c | 202 | };\r |
913cb9dc | 203 | \r |
204 | //\r | |
205 | // URB (Usb Request Block) contains information for all kinds of\r | |
206 | // usb requests.\r | |
207 | //\r | |
c52fa98c | 208 | struct _URB {\r |
913cb9dc | 209 | UINT32 Signature;\r |
210 | LIST_ENTRY UrbList;\r | |
211 | \r | |
212 | //\r | |
213 | // Transaction information\r | |
214 | //\r | |
215 | USB_ENDPOINT Ep;\r | |
216 | EFI_USB_DEVICE_REQUEST *Request; // Control transfer only\r | |
217 | VOID *RequestPhy; // Address of the mapped request\r | |
218 | VOID *RequestMap;\r | |
219 | VOID *Data;\r | |
220 | UINTN DataLen;\r | |
221 | VOID *DataPhy; // Address of the mapped user data\r | |
222 | VOID *DataMap;\r | |
223 | EFI_ASYNC_USB_TRANSFER_CALLBACK Callback;\r | |
224 | VOID *Context;\r | |
225 | \r | |
226 | //\r | |
227 | // Schedule data\r | |
228 | //\r | |
229 | EHC_QH *Qh;\r | |
230 | \r | |
231 | //\r | |
232 | // Transaction result\r | |
233 | //\r | |
234 | UINT32 Result;\r | |
235 | UINTN Completed; // completed data length\r | |
236 | UINT8 DataToggle;\r | |
c52fa98c | 237 | };\r |
913cb9dc | 238 | \r |
239 | \r | |
240 | \r | |
241 | /**\r | |
78c2ffb5 | 242 | Create a single QTD to hold the data.\r |
913cb9dc | 243 | \r |
78c2ffb5 | 244 | @param Ehc The EHCI device.\r |
739802e4 | 245 | @param Data The cpu memory address of current data not associated with a QTD.\r |
246 | @param DataPhy The pci bus address of current data not associated with a QTD.\r | |
78c2ffb5 | 247 | @param DataLen The length of the data.\r |
248 | @param PktId Packet ID to use in the QTD.\r | |
249 | @param Toggle Data toggle to use in the QTD.\r | |
250 | @param MaxPacket Maximu packet length of the endpoint.\r | |
913cb9dc | 251 | \r |
78c2ffb5 | 252 | @return Created QTD or NULL if failed to create one.\r |
913cb9dc | 253 | \r |
254 | **/\r | |
255 | EHC_QTD *\r | |
256 | EhcCreateQtd (\r | |
257 | IN USB2_HC_DEV *Ehc,\r | |
258 | IN UINT8 *Data,\r | |
739802e4 | 259 | IN UINT8 *DataPhy,\r |
913cb9dc | 260 | IN UINTN DataLen,\r |
261 | IN UINT8 PktId,\r | |
262 | IN UINT8 Toggle,\r | |
263 | IN UINTN MaxPacket\r | |
ed66e1bc | 264 | );\r |
913cb9dc | 265 | \r |
266 | \r | |
267 | \r | |
268 | /**\r | |
78c2ffb5 | 269 | Allocate and initialize a EHCI queue head.\r |
913cb9dc | 270 | \r |
78c2ffb5 | 271 | @param Ehci The EHCI device.\r |
272 | @param Ep The endpoint to create queue head for.\r | |
913cb9dc | 273 | \r |
78c2ffb5 | 274 | @return Created queue head or NULL if failed to create one.\r |
913cb9dc | 275 | \r |
276 | **/\r | |
277 | EHC_QH *\r | |
278 | EhcCreateQh (\r | |
279 | IN USB2_HC_DEV *Ehci,\r | |
280 | IN USB_ENDPOINT *Ep\r | |
ed66e1bc | 281 | );\r |
913cb9dc | 282 | \r |
283 | \r | |
284 | /**\r | |
285 | Free an allocated URB. It is possible for it to be partially inited.\r | |
286 | \r | |
78c2ffb5 | 287 | @param Ehc The EHCI device.\r |
288 | @param Urb The URB to free.\r | |
913cb9dc | 289 | \r |
913cb9dc | 290 | **/\r |
291 | VOID\r | |
292 | EhcFreeUrb (\r | |
293 | IN USB2_HC_DEV *Ehc,\r | |
294 | IN URB *Urb\r | |
ed66e1bc | 295 | );\r |
913cb9dc | 296 | \r |
297 | \r | |
298 | /**\r | |
78c2ffb5 | 299 | Create a new URB and its associated QTD.\r |
300 | \r | |
f87db256 SZ |
301 | @param Ehc The EHCI device.\r |
302 | @param DevAddr The device address.\r | |
303 | @param EpAddr Endpoint addrress & its direction.\r | |
304 | @param DevSpeed The device speed.\r | |
305 | @param Toggle Initial data toggle to use.\r | |
306 | @param MaxPacket The max packet length of the endpoint.\r | |
307 | @param Hub The transaction translator to use.\r | |
308 | @param Type The transaction type.\r | |
309 | @param Request The standard USB request for control transfer.\r | |
310 | @param Data The user data to transfer.\r | |
311 | @param DataLen The length of data buffer.\r | |
312 | @param Callback The function to call when data is transferred.\r | |
313 | @param Context The context to the callback.\r | |
314 | @param Interval The interval for interrupt transfer.\r | |
78c2ffb5 | 315 | \r |
316 | @return Created URB or NULL.\r | |
913cb9dc | 317 | \r |
318 | **/\r | |
319 | URB *\r | |
320 | EhcCreateUrb (\r | |
321 | IN USB2_HC_DEV *Ehc,\r | |
322 | IN UINT8 DevAddr,\r | |
323 | IN UINT8 EpAddr,\r | |
324 | IN UINT8 DevSpeed,\r | |
325 | IN UINT8 Toggle,\r | |
326 | IN UINTN MaxPacket,\r | |
327 | IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Hub,\r | |
328 | IN UINTN Type,\r | |
329 | IN EFI_USB_DEVICE_REQUEST *Request,\r | |
330 | IN VOID *Data,\r | |
331 | IN UINTN DataLen,\r | |
332 | IN EFI_ASYNC_USB_TRANSFER_CALLBACK Callback,\r | |
333 | IN VOID *Context,\r | |
334 | IN UINTN Interval\r | |
ed66e1bc | 335 | );\r |
913cb9dc | 336 | #endif\r |