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913cb9dc | 1 | /** @file\r |
2 | \r | |
ab6495ea | 3 | The definition for EHCI register operation routines.\r |
4 | \r | |
cd5ebaa0 HT |
5 | Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>\r |
6 | This program and the accompanying materials\r | |
913cb9dc | 7 | are licensed and made available under the terms and conditions of the BSD License\r |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
913cb9dc | 14 | **/\r |
15 | \r | |
16 | #ifndef _EFI_UHCI_SCHED_H_\r | |
17 | #define _EFI_UHCI_SCHED_H_\r | |
18 | \r | |
19 | \r | |
1ccdbf2a | 20 | #define UHCI_ASYNC_INT_SIGNATURE SIGNATURE_32 ('u', 'h', 'c', 'a')\r |
21 | //\r | |
22 | // The failure mask for USB transfer return status. If any of\r | |
23 | // these bit is set, the transfer failed. EFI_USB_ERR_NOEXECUTE\r | |
24 | // and EFI_USB_ERR_NAK are not considered as error condition:\r | |
25 | // the transfer is still going on.\r | |
26 | //\r | |
27 | #define USB_ERR_FAIL_MASK (EFI_USB_ERR_STALL | EFI_USB_ERR_BUFFER | \\r | |
28 | EFI_USB_ERR_BABBLE | EFI_USB_ERR_CRC | \\r | |
29 | EFI_USB_ERR_TIMEOUT | EFI_USB_ERR_BITSTUFF | \\r | |
30 | EFI_USB_ERR_SYSTEM)\r | |
913cb9dc | 31 | \r |
913cb9dc | 32 | \r |
33 | //\r | |
34 | // Structure to return the result of UHCI QH execution.\r | |
35 | // Result is the final result of the QH's QTD. NextToggle\r | |
36 | // is the next data toggle to use. Complete is the actual\r | |
37 | // length of data transferred.\r | |
38 | //\r | |
39 | typedef struct {\r | |
40 | UINT32 Result;\r | |
41 | UINT8 NextToggle;\r | |
42 | UINTN Complete;\r | |
43 | } UHCI_QH_RESULT;\r | |
44 | \r | |
45 | typedef struct _UHCI_ASYNC_REQUEST UHCI_ASYNC_REQUEST;\r | |
46 | \r | |
47 | //\r | |
48 | // Structure used to manager the asynchronous interrupt transfers.\r | |
49 | //\r | |
c52fa98c | 50 | struct _UHCI_ASYNC_REQUEST{\r |
913cb9dc | 51 | UINTN Signature;\r |
52 | LIST_ENTRY Link;\r | |
53 | UHCI_ASYNC_REQUEST *Recycle;\r | |
54 | \r | |
55 | //\r | |
56 | // Endpoint attributes\r | |
57 | //\r | |
58 | UINT8 DevAddr;\r | |
59 | UINT8 EndPoint;\r | |
60 | BOOLEAN IsLow;\r | |
61 | UINTN Interval;\r | |
62 | \r | |
63 | //\r | |
64 | // Data and UHC structures\r | |
65 | //\r | |
66 | UHCI_QH_SW *QhSw;\r | |
67 | UHCI_TD_SW *FirstTd;\r | |
68 | UINT8 *Data; // Allocated host memory, not mapped memory\r | |
69 | UINTN DataLen;\r | |
70 | VOID *Mapping;\r | |
71 | \r | |
72 | //\r | |
73 | // User callback and its context\r | |
74 | //\r | |
75 | EFI_ASYNC_USB_TRANSFER_CALLBACK Callback;\r | |
76 | VOID *Context;\r | |
c52fa98c | 77 | };\r |
913cb9dc | 78 | \r |
79 | #define UHCI_ASYNC_INT_FROM_LINK(a) \\r | |
80 | CR (a, UHCI_ASYNC_REQUEST, Link, UHCI_ASYNC_INT_SIGNATURE)\r | |
81 | \r | |
913cb9dc | 82 | \r |
ab6495ea | 83 | /**\r |
84 | Create Frame List Structure.\r | |
913cb9dc | 85 | \r |
ab6495ea | 86 | @param Uhc The UHCI device.\r |
913cb9dc | 87 | \r |
ab6495ea | 88 | @return EFI_OUT_OF_RESOURCES Can't allocate memory resources.\r |
89 | @return EFI_UNSUPPORTED Map memory fail.\r | |
90 | @return EFI_SUCCESS Success.\r | |
913cb9dc | 91 | \r |
ab6495ea | 92 | **/\r |
93 | EFI_STATUS\r | |
94 | UhciInitFrameList (\r | |
95 | IN USB_HC_DEV *Uhc\r | |
ed66e1bc | 96 | );\r |
913cb9dc | 97 | \r |
913cb9dc | 98 | /**\r |
ab6495ea | 99 | Destory FrameList buffer.\r |
913cb9dc | 100 | \r |
ab6495ea | 101 | @param Uhc The UHCI device.\r |
913cb9dc | 102 | \r |
ab6495ea | 103 | @return None.\r |
913cb9dc | 104 | \r |
105 | **/\r | |
106 | VOID\r | |
107 | UhciDestoryFrameList (\r | |
108 | IN USB_HC_DEV *Uhc\r | |
ed66e1bc | 109 | );\r |
913cb9dc | 110 | \r |
111 | \r | |
112 | /**\r | |
113 | Convert the poll rate to the maxium 2^n that is smaller\r | |
ab6495ea | 114 | than Interval.\r |
913cb9dc | 115 | \r |
ab6495ea | 116 | @param Interval The poll rate to convert.\r |
913cb9dc | 117 | \r |
ab6495ea | 118 | @return The converted poll rate.\r |
913cb9dc | 119 | \r |
120 | **/\r | |
121 | UINTN\r | |
122 | UhciConvertPollRate (\r | |
123 | IN UINTN Interval\r | |
ed66e1bc | 124 | );\r |
913cb9dc | 125 | \r |
126 | \r | |
127 | /**\r | |
128 | Link a queue head (for asynchronous interrupt transfer) to\r | |
129 | the frame list.\r | |
130 | \r | |
3af875e2 | 131 | @param Uhc The UHCI device.\r |
ab6495ea | 132 | @param Qh The queue head to link into.\r |
913cb9dc | 133 | \r |
913cb9dc | 134 | **/\r |
135 | VOID\r | |
136 | UhciLinkQhToFrameList (\r | |
3af875e2 | 137 | USB_HC_DEV *Uhc,\r |
913cb9dc | 138 | UHCI_QH_SW *Qh\r |
ed66e1bc | 139 | );\r |
913cb9dc | 140 | \r |
141 | \r | |
142 | /**\r | |
143 | Unlink QH from the frame list is easier: find all\r | |
144 | the precedence node, and pointer there next to QhSw's\r | |
145 | next.\r | |
146 | \r | |
3af875e2 | 147 | @param Uhc The UHCI device.\r |
ab6495ea | 148 | @param Qh The queue head to unlink.\r |
913cb9dc | 149 | \r |
913cb9dc | 150 | **/\r |
151 | VOID\r | |
152 | UhciUnlinkQhFromFrameList (\r | |
3af875e2 | 153 | USB_HC_DEV *Uhc,\r |
154 | UHCI_QH_SW *Qh\r | |
ed66e1bc | 155 | );\r |
913cb9dc | 156 | \r |
157 | \r | |
158 | /**\r | |
ab6495ea | 159 | Check the result of the transfer.\r |
913cb9dc | 160 | \r |
ab6495ea | 161 | @param Uhc The UHCI device.\r |
162 | @param Qh The queue head of the transfer.\r | |
163 | @param Td The first TDs of the transfer.\r | |
164 | @param TimeOut TimeOut value in milliseconds.\r | |
165 | @param IsLow Is Low Speed Device.\r | |
166 | @param QhResult The variable to return result.\r | |
913cb9dc | 167 | \r |
ab6495ea | 168 | @retval EFI_SUCCESS The transfer finished with success.\r |
169 | @retval EFI_DEVICE_ERROR Transfer failed.\r | |
913cb9dc | 170 | \r |
171 | **/\r | |
172 | EFI_STATUS\r | |
173 | UhciExecuteTransfer (\r | |
174 | IN USB_HC_DEV *Uhc,\r | |
175 | IN UHCI_QH_SW *Qh,\r | |
176 | IN UHCI_TD_SW *Td,\r | |
177 | IN UINTN TimeOut,\r | |
178 | IN BOOLEAN IsLow,\r | |
179 | OUT UHCI_QH_RESULT *QhResult\r | |
ed66e1bc | 180 | );\r |
913cb9dc | 181 | \r |
182 | \r | |
183 | /**\r | |
ab6495ea | 184 | Create Async Request node, and Link to List.\r |
185 | \r | |
186 | @param Uhc The UHCI device.\r | |
187 | @param Qh The queue head of the transfer.\r | |
188 | @param FirstTd First TD of the transfer.\r | |
189 | @param DevAddr Device Address.\r | |
190 | @param EndPoint EndPoint Address.\r | |
191 | @param DataLen Data length.\r | |
192 | @param Interval Polling Interval when inserted to frame list.\r | |
ab6495ea | 193 | @param Data Data buffer, unmapped.\r |
194 | @param Callback Callback after interrupt transfeer.\r | |
195 | @param Context Callback Context passed as function parameter.\r | |
196 | @param IsLow Is Low Speed.\r | |
197 | \r | |
198 | @retval EFI_SUCCESS An asynchronous transfer is created.\r | |
199 | @retval EFI_INVALID_PARAMETER Paremeter is error.\r | |
913cb9dc | 200 | @retval EFI_OUT_OF_RESOURCES Failed because of resource shortage.\r |
201 | \r | |
202 | **/\r | |
203 | EFI_STATUS\r | |
204 | UhciCreateAsyncReq (\r | |
205 | IN USB_HC_DEV *Uhc,\r | |
206 | IN UHCI_QH_SW *Qh,\r | |
207 | IN UHCI_TD_SW *FirstTd,\r | |
208 | IN UINT8 DevAddr,\r | |
209 | IN UINT8 EndPoint,\r | |
210 | IN UINTN DataLen,\r | |
211 | IN UINTN Interval,\r | |
913cb9dc | 212 | IN UINT8 *Data,\r |
213 | IN EFI_ASYNC_USB_TRANSFER_CALLBACK Callback,\r | |
214 | IN VOID *Context,\r | |
215 | IN BOOLEAN IsLow\r | |
ed66e1bc | 216 | );\r |
913cb9dc | 217 | \r |
218 | \r | |
219 | /**\r | |
ab6495ea | 220 | Delete Async Interrupt QH and TDs.\r |
913cb9dc | 221 | \r |
ab6495ea | 222 | @param Uhc The UHCI device.\r |
223 | @param DevAddr Device Address.\r | |
224 | @param EndPoint EndPoint Address.\r | |
225 | @param Toggle The next data toggle to use.\r | |
913cb9dc | 226 | \r |
ab6495ea | 227 | @retval EFI_SUCCESS The request is deleted.\r |
228 | @retval EFI_INVALID_PARAMETER Paremeter is error.\r | |
229 | @retval EFI_NOT_FOUND The asynchronous isn't found.\r | |
913cb9dc | 230 | \r |
231 | **/\r | |
232 | EFI_STATUS\r | |
233 | UhciRemoveAsyncReq (\r | |
234 | IN USB_HC_DEV *Uhc,\r | |
235 | IN UINT8 DevAddr,\r | |
236 | IN UINT8 EndPoint,\r | |
237 | OUT UINT8 *Toggle\r | |
ed66e1bc | 238 | );\r |
913cb9dc | 239 | \r |
240 | \r | |
241 | /**\r | |
242 | Release all the asynchronous transfers on the lsit.\r | |
243 | \r | |
ab6495ea | 244 | @param Uhc The UHCI device.\r |
913cb9dc | 245 | \r |
ab6495ea | 246 | @return None.\r |
913cb9dc | 247 | \r |
248 | **/\r | |
249 | VOID\r | |
250 | UhciFreeAllAsyncReq (\r | |
251 | IN USB_HC_DEV *Uhc\r | |
ed66e1bc | 252 | );\r |
913cb9dc | 253 | \r |
254 | \r | |
255 | /**\r | |
ab6495ea | 256 | Interrupt transfer periodic check handler.\r |
913cb9dc | 257 | \r |
ab6495ea | 258 | @param Event The event of the time.\r |
259 | @param Context Context of the event, pointer to USB_HC_DEV.\r | |
913cb9dc | 260 | \r |
ab6495ea | 261 | @return None.\r |
913cb9dc | 262 | \r |
263 | **/\r | |
264 | VOID\r | |
6d3ea23f | 265 | EFIAPI\r |
913cb9dc | 266 | UhciMonitorAsyncReqList (\r |
267 | IN EFI_EVENT Event,\r | |
268 | IN VOID *Context\r | |
ed66e1bc | 269 | );\r |
913cb9dc | 270 | \r |
271 | #endif\r |