projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 8016da21 | 1 | /** @file\r |
| 2 | Legacy Region Support\r | |
| 3 | \r | |
| 4 | Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r | |
| 5 | \r | |
| b26f0cf9 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 8016da21 | 7 | \r |
| 8 | **/\r | |
| 9 | \r | |
| 10 | #ifndef _LEGACY_INTERRUPT_H_\r | |
| 11 | #define _LEGACY_INTERRUPT_H_\r | |
| 12 | \r | |
| 13 | #include <PiDxe.h>\r | |
| 14 | \r | |
| 15 | #include <Protocol/LegacyInterrupt.h>\r | |
| 16 | \r | |
| 72a11001 | 17 | #include <Library/PcdLib.h>\r |
| 8016da21 | 18 | #include <Library/PciLib.h>\r |
| 19 | #include <Library/DebugLib.h>\r | |
| 20 | #include <Library/UefiBootServicesTableLib.h>\r | |
| 72a11001 GS |
21 | #include <OvmfPlatforms.h>\r |
| 22 | \r | |
| ac0a286f | 23 | #define LEGACY_INT_BUS 0\r |
| 72a11001 GS |
24 | #define LEGACY_INT_DEV_PIIX4 0x01\r |
| 25 | #define LEGACY_INT_DEV_Q35 0x1f\r | |
| ac0a286f | 26 | #define LEGACY_INT_FUNC 0\r |
| 8016da21 | 27 | \r |
| ac0a286f MK |
28 | #define PIRQN 0x00 // PIRQ Null\r |
| 29 | #define PIRQA 0x60\r | |
| 30 | #define PIRQB 0x61\r | |
| 31 | #define PIRQC 0x62\r | |
| 32 | #define PIRQD 0x63\r | |
| 33 | #define PIRQE 0x68\r | |
| 34 | #define PIRQF 0x69\r | |
| 35 | #define PIRQG 0x6A\r | |
| 36 | #define PIRQH 0x6B\r | |
| 8016da21 | 37 | \r |
| ac0a286f | 38 | #define MAX_PIRQ_NUMBER 8\r |
| 8016da21 | 39 | \r |
| 40 | /**\r | |
| 41 | Return the number of PIRQs supported by this chipset.\r | |
| 42 | \r | |
| 43 | @param[in] This Pointer to LegacyInterrupt Protocol\r | |
| 44 | @param[out] NumberPirqs The pointer to return the max IRQ number supported\r | |
| 45 | \r | |
| 46 | @retval EFI_SUCCESS Max PIRQs successfully returned\r | |
| 47 | \r | |
| 48 | **/\r | |
| 49 | EFI_STATUS\r | |
| 50 | EFIAPI\r | |
| 51 | GetNumberPirqs (\r | |
| 52 | IN EFI_LEGACY_INTERRUPT_PROTOCOL *This,\r | |
| 53 | OUT UINT8 *NumberPirqs\r | |
| 54 | );\r | |
| 55 | \r | |
| 56 | /**\r | |
| 57 | Return PCI location of this device.\r | |
| 58 | $PIR table requires this info.\r | |
| 59 | \r | |
| 60 | @param[in] This - Protocol instance pointer.\r | |
| 61 | @param[out] Bus - PCI Bus\r | |
| 62 | @param[out] Device - PCI Device\r | |
| 63 | @param[out] Function - PCI Function\r | |
| 64 | \r | |
| 65 | @retval EFI_SUCCESS Bus/Device/Function returned\r | |
| 66 | \r | |
| 67 | **/\r | |
| 68 | EFI_STATUS\r | |
| 69 | EFIAPI\r | |
| 70 | GetLocation (\r | |
| 71 | IN EFI_LEGACY_INTERRUPT_PROTOCOL *This,\r | |
| 72 | OUT UINT8 *Bus,\r | |
| 73 | OUT UINT8 *Device,\r | |
| 74 | OUT UINT8 *Function\r | |
| 75 | );\r | |
| 76 | \r | |
| 77 | /**\r | |
| 78 | Read the given PIRQ register\r | |
| 79 | \r | |
| 80 | @param[in] This Protocol instance pointer\r | |
| 81 | @param[in] PirqNumber The Pirq register 0 = A, 1 = B etc\r | |
| 82 | @param[out] PirqData Value read\r | |
| 83 | \r | |
| 84 | @retval EFI_SUCCESS Decoding change affected.\r | |
| 85 | @retval EFI_INVALID_PARAMETER Invalid PIRQ number\r | |
| 86 | \r | |
| 87 | **/\r | |
| 88 | EFI_STATUS\r | |
| 89 | EFIAPI\r | |
| 90 | ReadPirq (\r | |
| 91 | IN EFI_LEGACY_INTERRUPT_PROTOCOL *This,\r | |
| 92 | IN UINT8 PirqNumber,\r | |
| 93 | OUT UINT8 *PirqData\r | |
| 94 | );\r | |
| 95 | \r | |
| 96 | /**\r | |
| 97 | Write the given PIRQ register\r | |
| 98 | \r | |
| 99 | @param[in] This Protocol instance pointer\r | |
| 100 | @param[in] PirqNumber The Pirq register 0 = A, 1 = B etc\r | |
| 101 | @param[out] PirqData Value to write\r | |
| 102 | \r | |
| 103 | @retval EFI_SUCCESS Decoding change affected.\r | |
| 104 | @retval EFI_INVALID_PARAMETER Invalid PIRQ number\r | |
| 105 | \r | |
| 106 | **/\r | |
| 107 | EFI_STATUS\r | |
| 108 | EFIAPI\r | |
| 109 | WritePirq (\r | |
| 110 | IN EFI_LEGACY_INTERRUPT_PROTOCOL *This,\r | |
| 111 | IN UINT8 PirqNumber,\r | |
| 112 | IN UINT8 PirqData\r | |
| 113 | );\r | |
| 114 | \r | |
| 115 | #endif\r |