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1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2016-2017, Linaro Ltd. All rights reserved.<BR>\r | |
4 | \r | |
5 | This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #ifndef __HARDWARE_INTERRUPT2_H__\r | |
16 | #define __HARDWARE_INTERRUPT2_H__\r | |
17 | \r | |
18 | #include <Protocol/HardwareInterrupt.h>\r | |
19 | \r | |
20 | // 22838932-1a2d-4a47-aaba-f3f7cf569470\r | |
21 | \r | |
22 | #define EFI_HARDWARE_INTERRUPT2_PROTOCOL_GUID \\r | |
23 | { 0x32898322, 0x2d1a, 0x474a, \\r | |
24 | { 0xba, 0xaa, 0xf3, 0xf7, 0xcf, 0x56, 0x94, 0x70 } }\r | |
25 | \r | |
26 | typedef enum {\r | |
27 | EFI_HARDWARE_INTERRUPT2_TRIGGER_LEVEL_LOW,\r | |
28 | EFI_HARDWARE_INTERRUPT2_TRIGGER_LEVEL_HIGH,\r | |
29 | EFI_HARDWARE_INTERRUPT2_TRIGGER_EDGE_FALLING,\r | |
30 | EFI_HARDWARE_INTERRUPT2_TRIGGER_EDGE_RISING,\r | |
31 | } EFI_HARDWARE_INTERRUPT2_TRIGGER_TYPE;\r | |
32 | \r | |
33 | typedef struct _EFI_HARDWARE_INTERRUPT2_PROTOCOL \\r | |
34 | EFI_HARDWARE_INTERRUPT2_PROTOCOL;\r | |
35 | \r | |
36 | /**\r | |
37 | Register Handler for the specified interrupt source.\r | |
38 | \r | |
39 | @param This Instance pointer for this protocol\r | |
40 | @param Source Hardware source of the interrupt\r | |
41 | @param Handler Callback for interrupt. NULL to unregister\r | |
42 | \r | |
43 | @retval EFI_SUCCESS Source was updated to support Handler.\r | |
44 | @retval EFI_DEVICE_ERROR Hardware could not be programmed.\r | |
45 | \r | |
46 | **/\r | |
47 | typedef\r | |
48 | EFI_STATUS\r | |
49 | (EFIAPI *HARDWARE_INTERRUPT2_REGISTER) (\r | |
50 | IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,\r | |
51 | IN HARDWARE_INTERRUPT_SOURCE Source,\r | |
52 | IN HARDWARE_INTERRUPT_HANDLER Handler\r | |
53 | );\r | |
54 | \r | |
55 | \r | |
56 | /**\r | |
57 | Enable interrupt source Source.\r | |
58 | \r | |
59 | @param This Instance pointer for this protocol\r | |
60 | @param Source Hardware source of the interrupt\r | |
61 | \r | |
62 | @retval EFI_SUCCESS Source interrupt enabled.\r | |
63 | @retval EFI_DEVICE_ERROR Hardware could not be programmed.\r | |
64 | \r | |
65 | **/\r | |
66 | typedef\r | |
67 | EFI_STATUS\r | |
68 | (EFIAPI *HARDWARE_INTERRUPT2_ENABLE) (\r | |
69 | IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,\r | |
70 | IN HARDWARE_INTERRUPT_SOURCE Source\r | |
71 | );\r | |
72 | \r | |
73 | \r | |
74 | /**\r | |
75 | Disable interrupt source Source.\r | |
76 | \r | |
77 | @param This Instance pointer for this protocol\r | |
78 | @param Source Hardware source of the interrupt\r | |
79 | \r | |
80 | @retval EFI_SUCCESS Source interrupt disabled.\r | |
81 | @retval EFI_DEVICE_ERROR Hardware could not be programmed.\r | |
82 | \r | |
83 | **/\r | |
84 | typedef\r | |
85 | EFI_STATUS\r | |
86 | (EFIAPI *HARDWARE_INTERRUPT2_DISABLE) (\r | |
87 | IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,\r | |
88 | IN HARDWARE_INTERRUPT_SOURCE Source\r | |
89 | );\r | |
90 | \r | |
91 | \r | |
92 | /**\r | |
93 | Return current state of interrupt source Source.\r | |
94 | \r | |
95 | @param This Instance pointer for this protocol\r | |
96 | @param Source Hardware source of the interrupt\r | |
97 | @param InterruptState TRUE: source enabled, FALSE: source disabled.\r | |
98 | \r | |
99 | @retval EFI_SUCCESS InterruptState is valid\r | |
100 | @retval EFI_DEVICE_ERROR InterruptState is not valid\r | |
101 | \r | |
102 | **/\r | |
103 | typedef\r | |
104 | EFI_STATUS\r | |
105 | (EFIAPI *HARDWARE_INTERRUPT2_INTERRUPT_STATE) (\r | |
106 | IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,\r | |
107 | IN HARDWARE_INTERRUPT_SOURCE Source,\r | |
108 | IN BOOLEAN *InterruptState\r | |
109 | );\r | |
110 | \r | |
111 | /**\r | |
112 | Signal to the hardware that the End Of Interrupt state\r | |
113 | has been reached.\r | |
114 | \r | |
115 | @param This Instance pointer for this protocol\r | |
116 | @param Source Hardware source of the interrupt\r | |
117 | \r | |
118 | @retval EFI_SUCCESS Source interrupt EOI'ed.\r | |
119 | @retval EFI_DEVICE_ERROR Hardware could not be programmed.\r | |
120 | \r | |
121 | **/\r | |
122 | typedef\r | |
123 | EFI_STATUS\r | |
124 | (EFIAPI *HARDWARE_INTERRUPT2_END_OF_INTERRUPT) (\r | |
125 | IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,\r | |
126 | IN HARDWARE_INTERRUPT_SOURCE Source\r | |
127 | );\r | |
128 | \r | |
129 | /**\r | |
130 | Return the configured trigger type for an interrupt source\r | |
131 | \r | |
132 | @param This Instance pointer for this protocol\r | |
133 | @param Source Hardware source of the interrupt\r | |
134 | @param TriggerType The configured trigger type\r | |
135 | \r | |
136 | @retval EFI_SUCCESS Operation successful\r | |
137 | @retval EFI_DEVICE_ERROR Information could not be returned\r | |
138 | \r | |
139 | **/\r | |
140 | typedef\r | |
141 | EFI_STATUS\r | |
142 | (EFIAPI *HARDWARE_INTERRUPT2_GET_TRIGGER_TYPE) (\r | |
143 | IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,\r | |
144 | IN HARDWARE_INTERRUPT_SOURCE Source,\r | |
145 | OUT EFI_HARDWARE_INTERRUPT2_TRIGGER_TYPE *TriggerType\r | |
146 | );\r | |
147 | \r | |
148 | \r | |
149 | /**\r | |
150 | Configure the trigger type for an interrupt source\r | |
151 | \r | |
152 | @param This Instance pointer for this protocol\r | |
153 | @param Source Hardware source of the interrupt\r | |
154 | @param TriggerType The trigger type to configure\r | |
155 | \r | |
156 | @retval EFI_SUCCESS Operation successful\r | |
157 | @retval EFI_DEVICE_ERROR Hardware could not be programmed.\r | |
158 | \r | |
159 | **/\r | |
160 | typedef\r | |
161 | EFI_STATUS\r | |
162 | (EFIAPI *HARDWARE_INTERRUPT2_SET_TRIGGER_TYPE) (\r | |
163 | IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,\r | |
164 | IN HARDWARE_INTERRUPT_SOURCE Source,\r | |
165 | IN EFI_HARDWARE_INTERRUPT2_TRIGGER_TYPE TriggerType\r | |
166 | );\r | |
167 | \r | |
168 | struct _EFI_HARDWARE_INTERRUPT2_PROTOCOL {\r | |
169 | HARDWARE_INTERRUPT2_REGISTER RegisterInterruptSource;\r | |
170 | HARDWARE_INTERRUPT2_ENABLE EnableInterruptSource;\r | |
171 | HARDWARE_INTERRUPT2_DISABLE DisableInterruptSource;\r | |
172 | HARDWARE_INTERRUPT2_INTERRUPT_STATE GetInterruptSourceState;\r | |
173 | HARDWARE_INTERRUPT2_END_OF_INTERRUPT EndOfInterrupt;\r | |
174 | \r | |
175 | // v2 members\r | |
176 | HARDWARE_INTERRUPT2_GET_TRIGGER_TYPE GetTriggerType;\r | |
177 | HARDWARE_INTERRUPT2_SET_TRIGGER_TYPE SetTriggerType;\r | |
178 | };\r | |
179 | \r | |
180 | extern EFI_GUID gHardwareInterrupt2ProtocolGuid;\r | |
181 | \r | |
182 | #endif\r |