Greg Hartman | 76d05dc | 2016-11-23 15:51:27 -0800 | [diff] [blame^] | 1 | #ifndef _VGA_CLASS_H |
| 2 | #define _VGA_CLASS_H |
| 3 | |
| 4 | /*++ |
| 5 | |
| 6 | Copyright (c) 1999 Intel Corporation |
| 7 | |
| 8 | Module Name: |
| 9 | |
| 10 | VgaClass.h |
| 11 | |
| 12 | Abstract: |
| 13 | |
| 14 | Vga Mini port binding to Vga Class protocol |
| 15 | |
| 16 | |
| 17 | |
| 18 | Revision History |
| 19 | |
| 20 | --*/ |
| 21 | |
| 22 | // |
| 23 | // VGA Device Structure |
| 24 | // |
| 25 | |
| 26 | // {0E3D6310-6FE4-11d3-BB81-0080C73C8881} |
| 27 | #define VGA_CLASS_DRIVER_PROTOCOL \ |
| 28 | { 0xe3d6310, 0x6fe4, 0x11d3, {0xbb, 0x81, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81} } |
| 29 | |
| 30 | typedef |
| 31 | EFI_STATUS |
| 32 | (* INIT_VGA_CARD) ( |
| 33 | IN UINTN VgaMode, |
| 34 | IN VOID *Context |
| 35 | ); |
| 36 | |
| 37 | typedef struct { |
| 38 | UINTN MaxColumns; |
| 39 | UINTN MaxRows; |
| 40 | } MAX_CONSOLE_GEOMETRY; |
| 41 | |
| 42 | #define VGA_CON_OUT_DEV_SIGNATURE EFI_SIGNATURE_32('c','v','g','a') |
| 43 | typedef struct { |
| 44 | UINTN Signature; |
| 45 | |
| 46 | EFI_HANDLE Handle; |
| 47 | SIMPLE_TEXT_OUTPUT_INTERFACE ConOut; |
| 48 | SIMPLE_TEXT_OUTPUT_MODE ConOutMode; |
| 49 | EFI_DEVICE_PATH *DevicePath; |
| 50 | |
| 51 | UINT8 *Buffer; |
| 52 | EFI_DEVICE_IO_INTERFACE *DeviceIo; |
| 53 | |
| 54 | // |
| 55 | // Video Card Context |
| 56 | // |
| 57 | INIT_VGA_CARD InitVgaCard; |
| 58 | VOID *VgaCardContext; |
| 59 | MAX_CONSOLE_GEOMETRY *Geometry; |
| 60 | // |
| 61 | // Video buffer normally 0xb8000 |
| 62 | // |
| 63 | UINT64 VideoBuffer; |
| 64 | |
| 65 | // |
| 66 | // Clear Screen & Default Attribute |
| 67 | // |
| 68 | UINT32 Attribute; |
| 69 | |
| 70 | // |
| 71 | // -1 means search for active VGA device |
| 72 | // |
| 73 | EFI_PCI_ADDRESS_UNION Pci; |
| 74 | } VGA_CON_OUT_DEV; |
| 75 | |
| 76 | #define VGA_CON_OUT_DEV_FROM_THIS(a) CR(a, VGA_CON_OUT_DEV, ConOut, VGA_CON_OUT_DEV_SIGNATURE) |
| 77 | |
| 78 | // |
| 79 | // Vga Class Driver Protocol. |
| 80 | // GUID defined in EFI Lib |
| 81 | // |
| 82 | |
| 83 | typedef |
| 84 | EFI_STATUS |
| 85 | (EFIAPI *INSTALL_VGA_DRIVER) ( |
| 86 | IN VGA_CON_OUT_DEV *ConOutDev |
| 87 | ); |
| 88 | |
| 89 | typedef struct { |
| 90 | UINT32 Version; |
| 91 | INSTALL_VGA_DRIVER InstallGenericVgaDriver; |
| 92 | } INSTALL_VGA_DRIVER_INTERFACE; |
| 93 | |
| 94 | #endif |
| 95 | |