| 1 | /** @file
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| 2 | QEMU Video Controller Driver
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| 3 |
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| 4 | Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
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| 5 | This program and the accompanying materials
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| 6 | are licensed and made available under the terms and conditions of the BSD License
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| 7 | which accompanies this distribution. The full text of the license may be found at
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| 8 | http://opensource.org/licenses/bsd-license.php
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| 9 |
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| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 12 |
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| 13 | **/
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| 14 |
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| 15 | //
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| 16 | // QEMU Video Controller Driver
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| 17 | //
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| 18 |
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| 19 | #ifndef _QEMU_H_
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| 20 | #define _QEMU_H_
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| 21 |
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| 22 |
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| 23 | #include <Uefi.h>
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| 24 | #include <Protocol/GraphicsOutput.h>
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| 25 | #include <Protocol/PciIo.h>
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| 26 | #include <Protocol/DriverSupportedEfiVersion.h>
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| 27 | #include <Protocol/DevicePath.h>
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| 28 |
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| 29 | #include <Library/DebugLib.h>
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| 30 | #include <Library/UefiDriverEntryPoint.h>
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| 31 | #include <Library/UefiLib.h>
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| 32 | #include <Library/PcdLib.h>
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| 33 | #include <Library/MemoryAllocationLib.h>
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| 34 | #include <Library/UefiBootServicesTableLib.h>
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| 35 | #include <Library/BaseMemoryLib.h>
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| 36 | #include <Library/DevicePathLib.h>
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| 37 | #include <Library/TimerLib.h>
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| 38 |
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| 39 | #include <IndustryStandard/Pci.h>
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| 40 |
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| 41 | //
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| 42 | // QEMU Video PCI Configuration Header values
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| 43 | //
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| 44 | #define CIRRUS_LOGIC_VENDOR_ID 0x1013
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| 45 | #define CIRRUS_LOGIC_5430_DEVICE_ID 0x00a8
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| 46 | #define CIRRUS_LOGIC_5430_ALTERNATE_DEVICE_ID 0x00a0
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| 47 | #define CIRRUS_LOGIC_5446_DEVICE_ID 0x00b8
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| 48 |
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| 49 | //
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| 50 | // QEMU Vide Graphical Mode Data
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| 51 | //
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| 52 | typedef struct {
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| 53 | UINT32 ModeNumber;
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| 54 | UINT32 HorizontalResolution;
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| 55 | UINT32 VerticalResolution;
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| 56 | UINT32 ColorDepth;
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| 57 | UINT32 RefreshRate;
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| 58 | } QEMU_VIDEO_MODE_DATA;
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| 59 |
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| 60 | #define PIXEL_RED_SHIFT 0
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| 61 | #define PIXEL_GREEN_SHIFT 3
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| 62 | #define PIXEL_BLUE_SHIFT 6
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| 63 |
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| 64 | #define PIXEL_RED_MASK (BIT7 | BIT6 | BIT5)
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| 65 | #define PIXEL_GREEN_MASK (BIT4 | BIT3 | BIT2)
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| 66 | #define PIXEL_BLUE_MASK (BIT1 | BIT0)
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| 67 |
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| 68 | #define PIXEL_TO_COLOR_BYTE(pixel, mask, shift) ((UINT8) ((pixel & mask) << shift))
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| 69 | #define PIXEL_TO_RED_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_RED_MASK, PIXEL_RED_SHIFT)
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| 70 | #define PIXEL_TO_GREEN_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_GREEN_MASK, PIXEL_GREEN_SHIFT)
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| 71 | #define PIXEL_TO_BLUE_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_BLUE_MASK, PIXEL_BLUE_SHIFT)
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| 72 |
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| 73 | #define RGB_BYTES_TO_PIXEL(Red, Green, Blue) \
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| 74 | (UINT8) ( (((Red) >> PIXEL_RED_SHIFT) & PIXEL_RED_MASK) | \
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| 75 | (((Green) >> PIXEL_GREEN_SHIFT) & PIXEL_GREEN_MASK) | \
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| 76 | (((Blue) >> PIXEL_BLUE_SHIFT) & PIXEL_BLUE_MASK) )
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| 77 |
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| 78 | #define PIXEL24_RED_MASK 0x00ff0000
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| 79 | #define PIXEL24_GREEN_MASK 0x0000ff00
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| 80 | #define PIXEL24_BLUE_MASK 0x000000ff
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| 81 |
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| 82 | #define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER 0xffff
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| 83 |
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| 84 | //
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| 85 | // QEMU Video Private Data Structure
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| 86 | //
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| 87 | #define QEMU_VIDEO_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('Q', 'V', 'I', 'D')
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| 88 |
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| 89 | typedef struct {
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| 90 | UINT64 Signature;
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| 91 | EFI_HANDLE Handle;
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| 92 | EFI_PCI_IO_PROTOCOL *PciIo;
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| 93 | UINT64 OriginalPciAttributes;
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| 94 | EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;
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| 95 | EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;
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| 96 | UINTN CurrentMode;
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| 97 | UINTN MaxMode;
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| 98 | QEMU_VIDEO_MODE_DATA *ModeData;
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| 99 | UINT8 *LineBuffer;
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| 100 | BOOLEAN HardwareNeedsStarting;
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| 101 | } QEMU_VIDEO_PRIVATE_DATA;
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| 102 |
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| 103 | ///
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| 104 | /// Video Mode structure
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| 105 | ///
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| 106 | typedef struct {
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| 107 | UINT32 Width;
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| 108 | UINT32 Height;
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| 109 | UINT32 ColorDepth;
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| 110 | UINT32 RefreshRate;
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| 111 | UINT8 *CrtcSettings;
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| 112 | UINT16 *SeqSettings;
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| 113 | UINT8 MiscSetting;
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| 114 | } QEMU_VIDEO_VIDEO_MODES;
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| 115 |
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| 116 | #define QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS(a) \
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| 117 | CR(a, QEMU_VIDEO_PRIVATE_DATA, GraphicsOutput, QEMU_VIDEO_PRIVATE_DATA_SIGNATURE)
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| 118 |
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| 119 |
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| 120 | //
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| 121 | // Global Variables
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| 122 | //
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| 123 | extern UINT8 AttributeController[];
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| 124 | extern UINT8 GraphicsController[];
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| 125 | extern UINT8 Crtc_640_480_256_60[];
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| 126 | extern UINT16 Seq_640_480_256_60[];
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| 127 | extern UINT8 Crtc_800_600_256_60[];
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| 128 | extern UINT16 Seq_800_600_256_60[];
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| 129 | extern UINT8 Crtc_1024_768_256_60[];
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| 130 | extern UINT16 Seq_1024_768_256_60[];
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| 131 | extern QEMU_VIDEO_VIDEO_MODES QemuVideoVideoModes[];
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| 132 | extern EFI_DRIVER_BINDING_PROTOCOL gQemuVideoDriverBinding;
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| 133 | extern EFI_COMPONENT_NAME_PROTOCOL gQemuVideoComponentName;
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| 134 | extern EFI_COMPONENT_NAME2_PROTOCOL gQemuVideoComponentName2;
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| 135 | extern EFI_DRIVER_SUPPORTED_EFI_VERSION_PROTOCOL gQemuVideoDriverSupportedEfiVersion;
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| 136 |
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| 137 | //
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| 138 | // Io Registers defined by VGA
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| 139 | //
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| 140 | #define CRTC_ADDRESS_REGISTER 0x3d4
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| 141 | #define CRTC_DATA_REGISTER 0x3d5
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| 142 | #define SEQ_ADDRESS_REGISTER 0x3c4
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| 143 | #define SEQ_DATA_REGISTER 0x3c5
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| 144 | #define GRAPH_ADDRESS_REGISTER 0x3ce
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| 145 | #define GRAPH_DATA_REGISTER 0x3cf
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| 146 | #define ATT_ADDRESS_REGISTER 0x3c0
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| 147 | #define MISC_OUTPUT_REGISTER 0x3c2
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| 148 | #define INPUT_STATUS_1_REGISTER 0x3da
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| 149 | #define DAC_PIXEL_MASK_REGISTER 0x3c6
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| 150 | #define PALETTE_INDEX_REGISTER 0x3c8
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| 151 | #define PALETTE_DATA_REGISTER 0x3c9
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| 152 |
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| 153 |
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| 154 | //
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| 155 | // Graphics Output Hardware abstraction internal worker functions
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| 156 | //
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| 157 | EFI_STATUS
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| 158 | QemuVideoGraphicsOutputConstructor (
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| 159 | QEMU_VIDEO_PRIVATE_DATA *Private
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| 160 | );
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| 161 |
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| 162 | EFI_STATUS
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| 163 | QemuVideoGraphicsOutputDestructor (
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| 164 | QEMU_VIDEO_PRIVATE_DATA *Private
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| 165 | );
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| 166 |
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| 167 |
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| 168 | //
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| 169 | // EFI_DRIVER_BINDING_PROTOCOL Protocol Interface
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| 170 | //
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| 171 | /**
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| 172 | TODO: Add function description
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| 173 |
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| 174 | @param This TODO: add argument description
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| 175 | @param Controller TODO: add argument description
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| 176 | @param RemainingDevicePath TODO: add argument description
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| 177 |
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| 178 | TODO: add return values
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| 179 |
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| 180 | **/
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| 181 | EFI_STATUS
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| 182 | EFIAPI
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| 183 | QemuVideoControllerDriverSupported (
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| 184 | IN EFI_DRIVER_BINDING_PROTOCOL *This,
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| 185 | IN EFI_HANDLE Controller,
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| 186 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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| 187 | );
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| 188 |
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| 189 | /**
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| 190 | TODO: Add function description
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| 191 |
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| 192 | @param This TODO: add argument description
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| 193 | @param Controller TODO: add argument description
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| 194 | @param RemainingDevicePath TODO: add argument description
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| 195 |
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| 196 | TODO: add return values
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| 197 |
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| 198 | **/
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| 199 | EFI_STATUS
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| 200 | EFIAPI
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| 201 | QemuVideoControllerDriverStart (
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| 202 | IN EFI_DRIVER_BINDING_PROTOCOL *This,
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| 203 | IN EFI_HANDLE Controller,
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| 204 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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| 205 | );
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| 206 |
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| 207 | /**
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| 208 | TODO: Add function description
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| 209 |
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| 210 | @param This TODO: add argument description
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| 211 | @param Controller TODO: add argument description
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| 212 | @param NumberOfChildren TODO: add argument description
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| 213 | @param ChildHandleBuffer TODO: add argument description
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| 214 |
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| 215 | TODO: add return values
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| 216 |
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| 217 | **/
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| 218 | EFI_STATUS
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| 219 | EFIAPI
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| 220 | QemuVideoControllerDriverStop (
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| 221 | IN EFI_DRIVER_BINDING_PROTOCOL *This,
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| 222 | IN EFI_HANDLE Controller,
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| 223 | IN UINTN NumberOfChildren,
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| 224 | IN EFI_HANDLE *ChildHandleBuffer
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| 225 | );
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| 226 |
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| 227 | //
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| 228 | // EFI Component Name Functions
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| 229 | //
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| 230 | /**
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| 231 | Retrieves a Unicode string that is the user readable name of the driver.
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| 232 |
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| 233 | This function retrieves the user readable name of a driver in the form of a
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| 234 | Unicode string. If the driver specified by This has a user readable name in
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| 235 | the language specified by Language, then a pointer to the driver name is
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| 236 | returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
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| 237 | by This does not support the language specified by Language,
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| 238 | then EFI_UNSUPPORTED is returned.
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| 239 |
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| 240 | @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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| 241 | EFI_COMPONENT_NAME_PROTOCOL instance.
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| 242 |
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| 243 | @param Language[in] A pointer to a Null-terminated ASCII string
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| 244 | array indicating the language. This is the
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| 245 | language of the driver name that the caller is
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| 246 | requesting, and it must match one of the
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| 247 | languages specified in SupportedLanguages. The
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| 248 | number of languages supported by a driver is up
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| 249 | to the driver writer. Language is specified
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| 250 | in RFC 4646 or ISO 639-2 language code format.
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| 251 |
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| 252 | @param DriverName[out] A pointer to the Unicode string to return.
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| 253 | This Unicode string is the name of the
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| 254 | driver specified by This in the language
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| 255 | specified by Language.
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| 256 |
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| 257 | @retval EFI_SUCCESS The Unicode string for the Driver specified by
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| 258 | This and the language specified by Language was
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| 259 | returned in DriverName.
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| 260 |
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| 261 | @retval EFI_INVALID_PARAMETER Language is NULL.
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| 262 |
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| 263 | @retval EFI_INVALID_PARAMETER DriverName is NULL.
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| 264 |
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| 265 | @retval EFI_UNSUPPORTED The driver specified by This does not support
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| 266 | the language specified by Language.
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| 267 |
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| 268 | **/
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| 269 | EFI_STATUS
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| 270 | EFIAPI
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| 271 | QemuVideoComponentNameGetDriverName (
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| 272 | IN EFI_COMPONENT_NAME_PROTOCOL *This,
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| 273 | IN CHAR8 *Language,
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| 274 | OUT CHAR16 **DriverName
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| 275 | );
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| 276 |
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| 277 |
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| 278 | /**
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| 279 | Retrieves a Unicode string that is the user readable name of the controller
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| 280 | that is being managed by a driver.
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| 281 |
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| 282 | This function retrieves the user readable name of the controller specified by
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| 283 | ControllerHandle and ChildHandle in the form of a Unicode string. If the
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| 284 | driver specified by This has a user readable name in the language specified by
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| 285 | Language, then a pointer to the controller name is returned in ControllerName,
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| 286 | and EFI_SUCCESS is returned. If the driver specified by This is not currently
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| 287 | managing the controller specified by ControllerHandle and ChildHandle,
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| 288 | then EFI_UNSUPPORTED is returned. If the driver specified by This does not
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| 289 | support the language specified by Language, then EFI_UNSUPPORTED is returned.
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| 290 |
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| 291 | @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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| 292 | EFI_COMPONENT_NAME_PROTOCOL instance.
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| 293 |
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| 294 | @param ControllerHandle[in] The handle of a controller that the driver
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| 295 | specified by This is managing. This handle
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| 296 | specifies the controller whose name is to be
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| 297 | returned.
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| 298 |
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| 299 | @param ChildHandle[in] The handle of the child controller to retrieve
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| 300 | the name of. This is an optional parameter that
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| 301 | may be NULL. It will be NULL for device
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| 302 | drivers. It will also be NULL for a bus drivers
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| 303 | that wish to retrieve the name of the bus
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| 304 | controller. It will not be NULL for a bus
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| 305 | driver that wishes to retrieve the name of a
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| 306 | child controller.
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| 307 |
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| 308 | @param Language[in] A pointer to a Null-terminated ASCII string
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| 309 | array indicating the language. This is the
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| 310 | language of the driver name that the caller is
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| 311 | requesting, and it must match one of the
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| 312 | languages specified in SupportedLanguages. The
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| 313 | number of languages supported by a driver is up
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| 314 | to the driver writer. Language is specified in
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| 315 | RFC 4646 or ISO 639-2 language code format.
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| 316 |
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| 317 | @param ControllerName[out] A pointer to the Unicode string to return.
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| 318 | This Unicode string is the name of the
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| 319 | controller specified by ControllerHandle and
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| 320 | ChildHandle in the language specified by
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| 321 | Language from the point of view of the driver
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| 322 | specified by This.
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| 323 |
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| 324 | @retval EFI_SUCCESS The Unicode string for the user readable name in
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| 325 | the language specified by Language for the
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| 326 | driver specified by This was returned in
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| 327 | DriverName.
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| 328 |
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| 329 | @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
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| 330 |
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| 331 | @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
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| 332 | EFI_HANDLE.
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| 333 |
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| 334 | @retval EFI_INVALID_PARAMETER Language is NULL.
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| 335 |
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| 336 | @retval EFI_INVALID_PARAMETER ControllerName is NULL.
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| 337 |
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| 338 | @retval EFI_UNSUPPORTED The driver specified by This is not currently
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| 339 | managing the controller specified by
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| 340 | ControllerHandle and ChildHandle.
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| 341 |
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| 342 | @retval EFI_UNSUPPORTED The driver specified by This does not support
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| 343 | the language specified by Language.
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| 344 |
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| 345 | **/
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| 346 | EFI_STATUS
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| 347 | EFIAPI
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| 348 | QemuVideoComponentNameGetControllerName (
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| 349 | IN EFI_COMPONENT_NAME_PROTOCOL *This,
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| 350 | IN EFI_HANDLE ControllerHandle,
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| 351 | IN EFI_HANDLE ChildHandle OPTIONAL,
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| 352 | IN CHAR8 *Language,
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| 353 | OUT CHAR16 **ControllerName
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| 354 | );
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| 355 |
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| 356 |
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| 357 | //
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| 358 | // Local Function Prototypes
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| 359 | //
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| 360 | VOID
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| 361 | InitializeGraphicsMode (
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| 362 | QEMU_VIDEO_PRIVATE_DATA *Private,
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| 363 | QEMU_VIDEO_VIDEO_MODES *ModeData
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| 364 | );
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| 365 |
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| 366 | VOID
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| 367 | SetPaletteColor (
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| 368 | QEMU_VIDEO_PRIVATE_DATA *Private,
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| 369 | UINTN Index,
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| 370 | UINT8 Red,
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| 371 | UINT8 Green,
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| 372 | UINT8 Blue
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| 373 | );
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| 374 |
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| 375 | VOID
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| 376 | SetDefaultPalette (
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| 377 | QEMU_VIDEO_PRIVATE_DATA *Private
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| 378 | );
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| 379 |
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| 380 | VOID
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| 381 | DrawLogo (
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| 382 | QEMU_VIDEO_PRIVATE_DATA *Private,
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| 383 | UINTN ScreenWidth,
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| 384 | UINTN ScreenHeight
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| 385 | );
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| 386 |
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| 387 | VOID
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| 388 | outb (
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| 389 | QEMU_VIDEO_PRIVATE_DATA *Private,
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| 390 | UINTN Address,
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| 391 | UINT8 Data
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| 392 | );
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| 393 |
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| 394 | VOID
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| 395 | outw (
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| 396 | QEMU_VIDEO_PRIVATE_DATA *Private,
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| 397 | UINTN Address,
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| 398 | UINT16 Data
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| 399 | );
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| 400 |
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| 401 | UINT8
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| 402 | inb (
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| 403 | QEMU_VIDEO_PRIVATE_DATA *Private,
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| 404 | UINTN Address
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| 405 | );
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| 406 |
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| 407 | UINT16
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| 408 | inw (
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| 409 | QEMU_VIDEO_PRIVATE_DATA *Private,
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| 410 | UINTN Address
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| 411 | );
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| 412 |
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| 413 | EFI_STATUS
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| 414 | QemuVideoVideoModeSetup (
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| 415 | QEMU_VIDEO_PRIVATE_DATA *Private
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| 416 | );
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| 417 |
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| 418 | #endif
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