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1 | /** @file\r |
2 | This file contains the definination for host controller schedule routines.\r | |
3 | \r | |
4 | Copyright (c) 2013-2015 Intel Corporation.\r | |
5 | \r | |
6 | This program and the accompanying materials\r | |
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 | |
14 | **/\r | |
15 | \r | |
16 | \r | |
17 | \r | |
18 | #ifndef _OHCI_SCHED_H\r | |
19 | #define _OHCI_SCHED_H\r | |
20 | \r | |
21 | #include "Descriptor.h"\r | |
22 | \r | |
23 | #define HCCA_MEM_SIZE 256\r | |
24 | #define GRID_SIZE 16\r | |
25 | #define GRID_SHIFT 4\r | |
26 | \r | |
27 | typedef struct _INTERRUPT_CONTEXT_ENTRY INTERRUPT_CONTEXT_ENTRY;\r | |
28 | \r | |
29 | struct _INTERRUPT_CONTEXT_ENTRY{\r | |
30 | UINT8 DeviceAddress;\r | |
31 | UINT8 EndPointAddress;\r | |
32 | ED_DESCRIPTOR *Ed;\r | |
33 | TD_DESCRIPTOR *DataTd;\r | |
34 | BOOLEAN IsSlowDevice;\r | |
35 | UINT8 MaxPacketLength;\r | |
36 | UINTN PollingInterval;\r | |
37 | EFI_ASYNC_USB_TRANSFER_CALLBACK CallBackFunction;\r | |
38 | VOID *Context;\r | |
39 | BOOLEAN IsPeriodic;\r | |
40 | VOID *Buffer;\r | |
41 | UINTN DataLength;\r | |
42 | VOID *UCBuffer;\r | |
43 | VOID *UCBufferMapping;\r | |
44 | UINT8 *Toggle;\r | |
45 | INTERRUPT_CONTEXT_ENTRY *NextEntry;\r | |
46 | };\r | |
47 | \r | |
48 | \r | |
49 | typedef struct {\r | |
50 | UINT32 ErrorCode;\r | |
51 | UINT8 NextToggle;\r | |
52 | } OHCI_ED_RESULT;\r | |
53 | \r | |
54 | /**\r | |
55 | \r | |
56 | Add an item of interrupt context\r | |
57 | \r | |
58 | @param Ohc UHC private data\r | |
59 | @param NewEntry New entry to add\r | |
60 | \r | |
61 | @retval EFI_SUCCESS Item successfully added\r | |
62 | \r | |
63 | **/\r | |
64 | EFI_STATUS\r | |
65 | OhciAddInterruptContextEntry (\r | |
66 | IN USB_OHCI_HC_DEV *Ohc,\r | |
67 | IN INTERRUPT_CONTEXT_ENTRY *NewEntry\r | |
68 | );\r | |
69 | \r | |
70 | /**\r | |
71 | \r | |
72 | Free a interrupt context entry\r | |
73 | \r | |
74 | @param Ohc UHC private data\r | |
75 | @param Entry Pointer to an interrupt context entry\r | |
76 | \r | |
77 | @retval EFI_SUCCESS Entry freed\r | |
78 | @retval EFI_INVALID_PARAMETER Entry is NULL\r | |
79 | \r | |
80 | **/\r | |
81 | EFI_STATUS\r | |
82 | OhciFreeInterruptContextEntry (\r | |
83 | IN USB_OHCI_HC_DEV *Ohc,\r | |
84 | IN INTERRUPT_CONTEXT_ENTRY *Entry\r | |
85 | );\r | |
86 | \r | |
87 | /**\r | |
88 | \r | |
89 | Free entries match the device address and endpoint address\r | |
90 | \r | |
91 | @Param Ohc UHC private date\r | |
92 | @Param DeviceAddress Item to free must match this device address\r | |
93 | @Param EndPointAddress Item to free must match this end point address\r | |
94 | @Param DataToggle DataToggle for output\r | |
95 | \r | |
96 | @retval EFI_SUCCESS Items match the requirement removed\r | |
97 | \r | |
98 | **/\r | |
99 | EFI_STATUS\r | |
100 | OhciFreeInterruptContext(\r | |
101 | IN USB_OHCI_HC_DEV *Ohc,\r | |
102 | IN UINT8 DeviceAddress,\r | |
103 | IN UINT8 EndPointAddress,\r | |
104 | OUT UINT8 *DataToggle\r | |
105 | );\r | |
106 | \r | |
107 | \r | |
108 | /**\r | |
109 | \r | |
110 | Convert Error code from OHCI format to EFI format\r | |
111 | \r | |
112 | @Param ErrorCode ErrorCode in OHCI format\r | |
113 | \r | |
114 | @retval ErrorCode in EFI format\r | |
115 | \r | |
116 | **/\r | |
117 | UINT32\r | |
118 | ConvertErrorCode (\r | |
119 | IN UINT32 ErrorCode\r | |
120 | );\r | |
121 | \r | |
122 | \r | |
123 | /**\r | |
124 | \r | |
125 | Check TDs Results\r | |
126 | \r | |
127 | @Param Ohc UHC private data\r | |
128 | @Param Td TD_DESCRIPTOR\r | |
129 | @Param Result Result to return\r | |
130 | \r | |
131 | @retval TRUE means OK\r | |
132 | @retval FLASE means Error or Short packet\r | |
133 | \r | |
134 | **/\r | |
135 | BOOLEAN\r | |
136 | OhciCheckTDsResults (\r | |
137 | IN USB_OHCI_HC_DEV *Ohc,\r | |
138 | IN TD_DESCRIPTOR *Td,\r | |
139 | OUT UINT32 *Result\r | |
140 | );\r | |
141 | /**\r | |
142 | \r | |
143 | Check the task status on an ED\r | |
144 | \r | |
145 | @Param Ed Pointer to the ED task that TD hooked on\r | |
146 | @Param HeadTd TD header for current transaction\r | |
147 | \r | |
148 | @retval Task Status Code\r | |
149 | \r | |
150 | **/\r | |
151 | \r | |
152 | UINT32\r | |
153 | CheckEDStatus (\r | |
154 | IN ED_DESCRIPTOR *Ed,\r | |
155 | IN TD_DESCRIPTOR *HeadTd,\r | |
156 | OUT OHCI_ED_RESULT *EdResult\r | |
157 | );\r | |
158 | /**\r | |
159 | \r | |
160 | Check the task status\r | |
161 | \r | |
162 | @Param Ohc UHC private data\r | |
163 | @Param ListType Pipe type\r | |
164 | @Param Ed Pointer to the ED task hooked on\r | |
165 | @Param HeadTd Head of TD corresponding to the task\r | |
166 | @Param ErrorCode return the ErrorCode\r | |
167 | \r | |
168 | @retval EFI_SUCCESS Task done\r | |
169 | @retval EFI_NOT_READY Task on processing\r | |
170 | @retval EFI_DEVICE_ERROR Some error occured\r | |
171 | \r | |
172 | **/\r | |
173 | EFI_STATUS\r | |
174 | CheckIfDone (\r | |
175 | IN USB_OHCI_HC_DEV *Ohc,\r | |
176 | IN DESCRIPTOR_LIST_TYPE ListType,\r | |
177 | IN ED_DESCRIPTOR *Ed,\r | |
178 | IN TD_DESCRIPTOR *HeadTd,\r | |
179 | OUT OHCI_ED_RESULT *EdResult\r | |
180 | );\r | |
181 | \r | |
182 | /**\r | |
183 | \r | |
184 | Convert TD condition code to Efi Status\r | |
185 | \r | |
186 | @Param ConditionCode Condition code to convert\r | |
187 | \r | |
188 | @retval EFI_SUCCESS No error occured\r | |
189 | @retval EFI_NOT_READY TD still on processing\r | |
190 | @retval EFI_DEVICE_ERROR Error occured in processing TD\r | |
191 | \r | |
192 | **/\r | |
193 | \r | |
194 | EFI_STATUS\r | |
195 | OhciTDConditionCodeToStatus (\r | |
196 | IN UINT32 ConditionCode\r | |
197 | );\r | |
198 | \r | |
199 | /**\r | |
200 | \r | |
201 | Invoke callbacks hooked on done TDs\r | |
202 | \r | |
203 | @Param Entry Interrupt transfer transaction information data structure\r | |
204 | @Param Context Ohc private data\r | |
205 | \r | |
206 | **/\r | |
207 | \r | |
208 | VOID\r | |
209 | OhciInvokeInterruptCallBack(\r | |
210 | IN INTERRUPT_CONTEXT_ENTRY *Entry,\r | |
211 | IN UINT32 Result\r | |
212 | );\r | |
213 | \r | |
214 | \r | |
215 | /**\r | |
216 | \r | |
217 | Timer to submit periodic interrupt transfer, and invoke callbacks hooked on done TDs\r | |
218 | \r | |
219 | @param Event Event handle\r | |
220 | @param Context Device private data\r | |
221 | \r | |
222 | **/\r | |
223 | \r | |
224 | VOID\r | |
225 | EFIAPI\r | |
226 | OhciHouseKeeper (\r | |
227 | IN EFI_EVENT Event,\r | |
228 | IN VOID *Context\r | |
229 | );\r | |
230 | \r | |
231 | #endif\r |