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913cb9dc | 1 | /** @file\r |
2 | \r | |
ab6495ea | 3 | The definition for EHCI register operation routines.\r |
4 | \r | |
cd5ebaa0 | 5 | Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
913cb9dc | 7 | \r |
913cb9dc | 8 | **/\r |
9 | \r | |
10 | #ifndef _EFI_UHCI_SCHED_H_\r | |
11 | #define _EFI_UHCI_SCHED_H_\r | |
12 | \r | |
13 | \r | |
1ccdbf2a | 14 | #define UHCI_ASYNC_INT_SIGNATURE SIGNATURE_32 ('u', 'h', 'c', 'a')\r |
15 | //\r | |
16 | // The failure mask for USB transfer return status. If any of\r | |
17 | // these bit is set, the transfer failed. EFI_USB_ERR_NOEXECUTE\r | |
18 | // and EFI_USB_ERR_NAK are not considered as error condition:\r | |
19 | // the transfer is still going on.\r | |
20 | //\r | |
21 | #define USB_ERR_FAIL_MASK (EFI_USB_ERR_STALL | EFI_USB_ERR_BUFFER | \\r | |
22 | EFI_USB_ERR_BABBLE | EFI_USB_ERR_CRC | \\r | |
23 | EFI_USB_ERR_TIMEOUT | EFI_USB_ERR_BITSTUFF | \\r | |
24 | EFI_USB_ERR_SYSTEM)\r | |
913cb9dc | 25 | \r |
913cb9dc | 26 | \r |
27 | //\r | |
28 | // Structure to return the result of UHCI QH execution.\r | |
29 | // Result is the final result of the QH's QTD. NextToggle\r | |
30 | // is the next data toggle to use. Complete is the actual\r | |
31 | // length of data transferred.\r | |
32 | //\r | |
33 | typedef struct {\r | |
34 | UINT32 Result;\r | |
35 | UINT8 NextToggle;\r | |
36 | UINTN Complete;\r | |
37 | } UHCI_QH_RESULT;\r | |
38 | \r | |
39 | typedef struct _UHCI_ASYNC_REQUEST UHCI_ASYNC_REQUEST;\r | |
40 | \r | |
41 | //\r | |
42 | // Structure used to manager the asynchronous interrupt transfers.\r | |
43 | //\r | |
c52fa98c | 44 | struct _UHCI_ASYNC_REQUEST{\r |
913cb9dc | 45 | UINTN Signature;\r |
46 | LIST_ENTRY Link;\r | |
47 | UHCI_ASYNC_REQUEST *Recycle;\r | |
48 | \r | |
49 | //\r | |
50 | // Endpoint attributes\r | |
51 | //\r | |
52 | UINT8 DevAddr;\r | |
53 | UINT8 EndPoint;\r | |
54 | BOOLEAN IsLow;\r | |
55 | UINTN Interval;\r | |
56 | \r | |
57 | //\r | |
58 | // Data and UHC structures\r | |
59 | //\r | |
60 | UHCI_QH_SW *QhSw;\r | |
61 | UHCI_TD_SW *FirstTd;\r | |
62 | UINT8 *Data; // Allocated host memory, not mapped memory\r | |
63 | UINTN DataLen;\r | |
64 | VOID *Mapping;\r | |
65 | \r | |
66 | //\r | |
67 | // User callback and its context\r | |
68 | //\r | |
69 | EFI_ASYNC_USB_TRANSFER_CALLBACK Callback;\r | |
70 | VOID *Context;\r | |
c52fa98c | 71 | };\r |
913cb9dc | 72 | \r |
73 | #define UHCI_ASYNC_INT_FROM_LINK(a) \\r | |
74 | CR (a, UHCI_ASYNC_REQUEST, Link, UHCI_ASYNC_INT_SIGNATURE)\r | |
75 | \r | |
913cb9dc | 76 | \r |
ab6495ea | 77 | /**\r |
78 | Create Frame List Structure.\r | |
913cb9dc | 79 | \r |
ab6495ea | 80 | @param Uhc The UHCI device.\r |
913cb9dc | 81 | \r |
ab6495ea | 82 | @return EFI_OUT_OF_RESOURCES Can't allocate memory resources.\r |
83 | @return EFI_UNSUPPORTED Map memory fail.\r | |
84 | @return EFI_SUCCESS Success.\r | |
913cb9dc | 85 | \r |
ab6495ea | 86 | **/\r |
87 | EFI_STATUS\r | |
88 | UhciInitFrameList (\r | |
89 | IN USB_HC_DEV *Uhc\r | |
ed66e1bc | 90 | );\r |
913cb9dc | 91 | \r |
913cb9dc | 92 | /**\r |
ab6495ea | 93 | Destory FrameList buffer.\r |
913cb9dc | 94 | \r |
ab6495ea | 95 | @param Uhc The UHCI device.\r |
913cb9dc | 96 | \r |
ab6495ea | 97 | @return None.\r |
913cb9dc | 98 | \r |
99 | **/\r | |
100 | VOID\r | |
101 | UhciDestoryFrameList (\r | |
102 | IN USB_HC_DEV *Uhc\r | |
ed66e1bc | 103 | );\r |
913cb9dc | 104 | \r |
105 | \r | |
106 | /**\r | |
107 | Convert the poll rate to the maxium 2^n that is smaller\r | |
ab6495ea | 108 | than Interval.\r |
913cb9dc | 109 | \r |
ab6495ea | 110 | @param Interval The poll rate to convert.\r |
913cb9dc | 111 | \r |
ab6495ea | 112 | @return The converted poll rate.\r |
913cb9dc | 113 | \r |
114 | **/\r | |
115 | UINTN\r | |
116 | UhciConvertPollRate (\r | |
117 | IN UINTN Interval\r | |
ed66e1bc | 118 | );\r |
913cb9dc | 119 | \r |
120 | \r | |
121 | /**\r | |
122 | Link a queue head (for asynchronous interrupt transfer) to\r | |
123 | the frame list.\r | |
124 | \r | |
3af875e2 | 125 | @param Uhc The UHCI device.\r |
ab6495ea | 126 | @param Qh The queue head to link into.\r |
913cb9dc | 127 | \r |
913cb9dc | 128 | **/\r |
129 | VOID\r | |
130 | UhciLinkQhToFrameList (\r | |
3af875e2 | 131 | USB_HC_DEV *Uhc,\r |
913cb9dc | 132 | UHCI_QH_SW *Qh\r |
ed66e1bc | 133 | );\r |
913cb9dc | 134 | \r |
135 | \r | |
136 | /**\r | |
137 | Unlink QH from the frame list is easier: find all\r | |
138 | the precedence node, and pointer there next to QhSw's\r | |
139 | next.\r | |
140 | \r | |
3af875e2 | 141 | @param Uhc The UHCI device.\r |
ab6495ea | 142 | @param Qh The queue head to unlink.\r |
913cb9dc | 143 | \r |
913cb9dc | 144 | **/\r |
145 | VOID\r | |
146 | UhciUnlinkQhFromFrameList (\r | |
3af875e2 | 147 | USB_HC_DEV *Uhc,\r |
148 | UHCI_QH_SW *Qh\r | |
ed66e1bc | 149 | );\r |
913cb9dc | 150 | \r |
151 | \r | |
152 | /**\r | |
ab6495ea | 153 | Check the result of the transfer.\r |
913cb9dc | 154 | \r |
ab6495ea | 155 | @param Uhc The UHCI device.\r |
156 | @param Qh The queue head of the transfer.\r | |
157 | @param Td The first TDs of the transfer.\r | |
158 | @param TimeOut TimeOut value in milliseconds.\r | |
159 | @param IsLow Is Low Speed Device.\r | |
160 | @param QhResult The variable to return result.\r | |
913cb9dc | 161 | \r |
ab6495ea | 162 | @retval EFI_SUCCESS The transfer finished with success.\r |
163 | @retval EFI_DEVICE_ERROR Transfer failed.\r | |
913cb9dc | 164 | \r |
165 | **/\r | |
166 | EFI_STATUS\r | |
167 | UhciExecuteTransfer (\r | |
168 | IN USB_HC_DEV *Uhc,\r | |
169 | IN UHCI_QH_SW *Qh,\r | |
170 | IN UHCI_TD_SW *Td,\r | |
171 | IN UINTN TimeOut,\r | |
172 | IN BOOLEAN IsLow,\r | |
173 | OUT UHCI_QH_RESULT *QhResult\r | |
ed66e1bc | 174 | );\r |
913cb9dc | 175 | \r |
176 | \r | |
177 | /**\r | |
ab6495ea | 178 | Create Async Request node, and Link to List.\r |
179 | \r | |
180 | @param Uhc The UHCI device.\r | |
181 | @param Qh The queue head of the transfer.\r | |
182 | @param FirstTd First TD of the transfer.\r | |
183 | @param DevAddr Device Address.\r | |
184 | @param EndPoint EndPoint Address.\r | |
185 | @param DataLen Data length.\r | |
186 | @param Interval Polling Interval when inserted to frame list.\r | |
ab6495ea | 187 | @param Data Data buffer, unmapped.\r |
188 | @param Callback Callback after interrupt transfeer.\r | |
189 | @param Context Callback Context passed as function parameter.\r | |
190 | @param IsLow Is Low Speed.\r | |
191 | \r | |
192 | @retval EFI_SUCCESS An asynchronous transfer is created.\r | |
193 | @retval EFI_INVALID_PARAMETER Paremeter is error.\r | |
913cb9dc | 194 | @retval EFI_OUT_OF_RESOURCES Failed because of resource shortage.\r |
195 | \r | |
196 | **/\r | |
197 | EFI_STATUS\r | |
198 | UhciCreateAsyncReq (\r | |
199 | IN USB_HC_DEV *Uhc,\r | |
200 | IN UHCI_QH_SW *Qh,\r | |
201 | IN UHCI_TD_SW *FirstTd,\r | |
202 | IN UINT8 DevAddr,\r | |
203 | IN UINT8 EndPoint,\r | |
204 | IN UINTN DataLen,\r | |
205 | IN UINTN Interval,\r | |
913cb9dc | 206 | IN UINT8 *Data,\r |
207 | IN EFI_ASYNC_USB_TRANSFER_CALLBACK Callback,\r | |
208 | IN VOID *Context,\r | |
209 | IN BOOLEAN IsLow\r | |
ed66e1bc | 210 | );\r |
913cb9dc | 211 | \r |
212 | \r | |
213 | /**\r | |
ab6495ea | 214 | Delete Async Interrupt QH and TDs.\r |
913cb9dc | 215 | \r |
ab6495ea | 216 | @param Uhc The UHCI device.\r |
217 | @param DevAddr Device Address.\r | |
218 | @param EndPoint EndPoint Address.\r | |
219 | @param Toggle The next data toggle to use.\r | |
913cb9dc | 220 | \r |
ab6495ea | 221 | @retval EFI_SUCCESS The request is deleted.\r |
222 | @retval EFI_INVALID_PARAMETER Paremeter is error.\r | |
223 | @retval EFI_NOT_FOUND The asynchronous isn't found.\r | |
913cb9dc | 224 | \r |
225 | **/\r | |
226 | EFI_STATUS\r | |
227 | UhciRemoveAsyncReq (\r | |
228 | IN USB_HC_DEV *Uhc,\r | |
229 | IN UINT8 DevAddr,\r | |
230 | IN UINT8 EndPoint,\r | |
231 | OUT UINT8 *Toggle\r | |
ed66e1bc | 232 | );\r |
913cb9dc | 233 | \r |
234 | \r | |
235 | /**\r | |
236 | Release all the asynchronous transfers on the lsit.\r | |
237 | \r | |
ab6495ea | 238 | @param Uhc The UHCI device.\r |
913cb9dc | 239 | \r |
ab6495ea | 240 | @return None.\r |
913cb9dc | 241 | \r |
242 | **/\r | |
243 | VOID\r | |
244 | UhciFreeAllAsyncReq (\r | |
245 | IN USB_HC_DEV *Uhc\r | |
ed66e1bc | 246 | );\r |
913cb9dc | 247 | \r |
248 | \r | |
249 | /**\r | |
ab6495ea | 250 | Interrupt transfer periodic check handler.\r |
913cb9dc | 251 | \r |
ab6495ea | 252 | @param Event The event of the time.\r |
253 | @param Context Context of the event, pointer to USB_HC_DEV.\r | |
913cb9dc | 254 | \r |
ab6495ea | 255 | @return None.\r |
913cb9dc | 256 | \r |
257 | **/\r | |
258 | VOID\r | |
6d3ea23f | 259 | EFIAPI\r |
913cb9dc | 260 | UhciMonitorAsyncReqList (\r |
261 | IN EFI_EVENT Event,\r | |
262 | IN VOID *Context\r | |
ed66e1bc | 263 | );\r |
913cb9dc | 264 | \r |
265 | #endif\r |