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1 | /** @file\r | |
2 | Driver implementing the Tiano Legacy 8259 Protocol\r | |
3 | \r | |
4 | Copyright (c) 2005 - 2009, Intel Corporation \r | |
5 | All rights reserved. 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 _8259_H__\r | |
16 | #define _8259_H__\r | |
17 | \r | |
18 | #include <FrameworkDxe.h>\r | |
19 | \r | |
20 | #include <Protocol/Legacy8259.h>\r | |
21 | #include <Protocol/PciIo.h>\r | |
22 | \r | |
23 | #include <Library/UefiBootServicesTableLib.h>\r | |
24 | #include <Library/DebugLib.h>\r | |
25 | #include <Library/IoLib.h>\r | |
26 | #include <Library/BaseLib.h>\r | |
27 | #include <Library/PcdLib.h>\r | |
28 | \r | |
29 | #include <IndustryStandard/Pci22.h>\r | |
30 | //\r | |
31 | // 8259 Hardware definitions\r | |
32 | //\r | |
33 | #define LEGACY_MODE_BASE_VECTOR_MASTER 0x08\r | |
34 | #define LEGACY_MODE_BASE_VECTOR_SLAVE 0x70\r | |
35 | \r | |
36 | #define PROTECTED_MODE_BASE_VECTOR_MASTER 0x68\r | |
37 | #define PROTECTED_MODE_BASE_VECTOR_SLAVE 0x70\r | |
38 | \r | |
39 | #define LEGACY_8259_CONTROL_REGISTER_MASTER 0x20\r | |
40 | #define LEGACY_8259_MASK_REGISTER_MASTER 0x21\r | |
41 | #define LEGACY_8259_CONTROL_REGISTER_SLAVE 0xA0\r | |
42 | #define LEGACY_8259_MASK_REGISTER_SLAVE 0xA1\r | |
43 | #define LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_MASTER 0x4D0\r | |
44 | #define LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_SLAVE 0x4D1\r | |
45 | \r | |
46 | #define LEGACY_8259_EOI 0x20\r | |
47 | \r | |
48 | //\r | |
49 | // Protocol Function Prototypes\r | |
50 | //\r | |
51 | EFI_STATUS\r | |
52 | EFIAPI\r | |
53 | Interrupt8259SetVectorBase (\r | |
54 | IN EFI_LEGACY_8259_PROTOCOL *This,\r | |
55 | IN UINT8 MasterBase,\r | |
56 | IN UINT8 SlaveBase\r | |
57 | );\r | |
58 | \r | |
59 | EFI_STATUS\r | |
60 | EFIAPI\r | |
61 | Interrupt8259GetMask (\r | |
62 | IN EFI_LEGACY_8259_PROTOCOL *This,\r | |
63 | OUT UINT16 *LegacyMask, OPTIONAL\r | |
64 | OUT UINT16 *LegacyEdgeLevel, OPTIONAL\r | |
65 | OUT UINT16 *ProtectedMask, OPTIONAL\r | |
66 | OUT UINT16 *ProtectedEdgeLevel OPTIONAL\r | |
67 | );\r | |
68 | \r | |
69 | EFI_STATUS\r | |
70 | EFIAPI\r | |
71 | Interrupt8259SetMask (\r | |
72 | IN EFI_LEGACY_8259_PROTOCOL *This,\r | |
73 | IN UINT16 *LegacyMask, OPTIONAL\r | |
74 | IN UINT16 *LegacyEdgeLevel, OPTIONAL\r | |
75 | IN UINT16 *ProtectedMask, OPTIONAL\r | |
76 | IN UINT16 *ProtectedEdgeLevel OPTIONAL\r | |
77 | );\r | |
78 | \r | |
79 | EFI_STATUS\r | |
80 | EFIAPI\r | |
81 | Interrupt8259SetMode (\r | |
82 | IN EFI_LEGACY_8259_PROTOCOL *This,\r | |
83 | IN EFI_8259_MODE Mode,\r | |
84 | IN UINT16 *Mask, OPTIONAL\r | |
85 | IN UINT16 *EdgeLevel OPTIONAL\r | |
86 | );\r | |
87 | \r | |
88 | EFI_STATUS\r | |
89 | EFIAPI\r | |
90 | Interrupt8259GetVector (\r | |
91 | IN EFI_LEGACY_8259_PROTOCOL *This,\r | |
92 | IN EFI_8259_IRQ Irq,\r | |
93 | OUT UINT8 *Vector\r | |
94 | );\r | |
95 | \r | |
96 | EFI_STATUS\r | |
97 | EFIAPI\r | |
98 | Interrupt8259EnableIrq (\r | |
99 | IN EFI_LEGACY_8259_PROTOCOL *This,\r | |
100 | IN EFI_8259_IRQ Irq,\r | |
101 | IN BOOLEAN LevelTriggered\r | |
102 | );\r | |
103 | \r | |
104 | EFI_STATUS\r | |
105 | EFIAPI\r | |
106 | Interrupt8259DisableIrq (\r | |
107 | IN EFI_LEGACY_8259_PROTOCOL *This,\r | |
108 | IN EFI_8259_IRQ Irq\r | |
109 | );\r | |
110 | \r | |
111 | EFI_STATUS\r | |
112 | EFIAPI\r | |
113 | Interrupt8259GetInterruptLine (\r | |
114 | IN EFI_LEGACY_8259_PROTOCOL *This,\r | |
115 | IN EFI_HANDLE PciHandle,\r | |
116 | OUT UINT8 *Vector\r | |
117 | );\r | |
118 | \r | |
119 | EFI_STATUS\r | |
120 | EFIAPI\r | |
121 | Interrupt8259EndOfInterrupt (\r | |
122 | IN EFI_LEGACY_8259_PROTOCOL *This,\r | |
123 | IN EFI_8259_IRQ Irq\r | |
124 | );\r | |
125 | \r | |
126 | #endif\r |