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author | raywu <raywu0301@gmail.com> | 2018-06-15 00:00:50 +0800 |
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committer | raywu <raywu0301@gmail.com> | 2018-06-15 00:00:50 +0800 |
commit | b7c51c9cf4864df6aabb99a1ae843becd577237c (patch) | |
tree | eebe9b0d0ca03062955223097e57da84dd618b9a /Protocol/VgaMiniPort/VgaMiniPort.h | |
download | zprj-master.tar.xz |
Diffstat (limited to 'Protocol/VgaMiniPort/VgaMiniPort.h')
-rw-r--r-- | Protocol/VgaMiniPort/VgaMiniPort.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/Protocol/VgaMiniPort/VgaMiniPort.h b/Protocol/VgaMiniPort/VgaMiniPort.h new file mode 100644 index 0000000..e21a894 --- /dev/null +++ b/Protocol/VgaMiniPort/VgaMiniPort.h @@ -0,0 +1,78 @@ +// +// This file contains 'Framework Code' and is licensed as such +// under the terms of your license agreement with Intel or your +// vendor. This file may not be modified, except as allowed by +// additional terms of your license agreement. +// +/*++ + +Copyright (c) 1999 - 2002 Intel Corporation. All rights reserved +This software and associated documentation (if any) is furnished +under a license and may only be used or copied in accordance +with the terms of the license. Except as permitted by such +license, no part of this software or documentation may be +reproduced, stored in a retrieval system, or transmitted in any +form or by any means without the express written consent of +Intel Corporation. + + +Module Name: + + VgaMiniPort.h + +Abstract: + + Vga Mini port binding for a VGA controller + +Revision History + +--*/ + +#ifndef _VGA_MINI_PORT_H +#define _VGA_MINI_PORT_H + +#define EFI_VGA_MINI_PORT_PROTOCOL_GUID \ + { \ + 0xc7735a2f, 0x88f5, 0x4882, 0xae, 0x63, 0xfa, 0xac, 0x8c, 0x8b, 0x86, 0xb3 \ + } + +EFI_FORWARD_DECLARATION (EFI_VGA_MINI_PORT_PROTOCOL); + +typedef +EFI_STATUS +(EFIAPI *EFI_VGA_MINI_PORT_SET_MODE) ( + IN EFI_VGA_MINI_PORT_PROTOCOL * This, + IN UINTN ModeNumber + ); + +/*++ + + Routine Description: + Sets the text display mode of a VGA controller + + Arguments: + This - Protocol instance pointer. + Mode - Mode number. 0 - 80x25 1-80x50 + + Returns: + EFI_SUCCESS - The mode was set + EFI_DEVICE_ERROR - The device is not functioning properly. + +--*/ +typedef struct _EFI_VGA_MINI_PORT_PROTOCOL { + EFI_VGA_MINI_PORT_SET_MODE SetMode; + + UINT64 VgaMemoryOffset; + UINT64 CrtcAddressRegisterOffset; + UINT64 CrtcDataRegisterOffset; + + UINT8 VgaMemoryBar; + UINT8 CrtcAddressRegisterBar; + UINT8 CrtcDataRegisterBar; + + UINT8 MaxMode; +} EFI_VGA_MINI_PORT_PROTOCOL; + +extern EFI_GUID gEfiVgaMiniPortProtocolGuid; + +#endif |