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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_EFI_GOP_HEADER
#define GRUB_EFI_GOP_HEADER 1
/* Based on UEFI specification. */
#define GRUB_EFI_GOP_GUID \
{ 0x9042a9de, 0x23dc, 0x4a38, { 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a }}
typedef enum
{
GRUB_EFI_GOT_RGBA8,
GRUB_EFI_GOT_BGRA8,
GRUB_EFI_GOT_BITMASK,
GRUB_EFI_GOT_BLT_ONLY,
}
grub_efi_gop_pixel_format_t;
typedef enum
{
GRUB_EFI_BLT_VIDEO_FILL,
GRUB_EFI_BLT_VIDEO_TO_BLT_BUFFER,
GRUB_EFI_BLT_BUFFER_TO_VIDEO,
GRUB_EFI_BLT_VIDEO_TO_VIDEO,
GRUB_EFI_BLT_OPERATION_MAX
}
grub_efi_gop_blt_operation_t;
struct grub_efi_gop_blt_pixel
{
grub_uint8_t blue;
grub_uint8_t green;
grub_uint8_t red;
grub_uint8_t reserved;
};
struct grub_efi_gop_pixel_bitmask
{
grub_uint32_t r;
grub_uint32_t g;
grub_uint32_t b;
grub_uint32_t a;
};
struct grub_efi_gop_mode_info
{
grub_efi_uint32_t version;
grub_efi_uint32_t width;
grub_efi_uint32_t height;
grub_efi_gop_pixel_format_t pixel_format;
struct grub_efi_gop_pixel_bitmask pixel_bitmask;
grub_efi_uint32_t pixels_per_scanline;
};
struct grub_efi_gop_mode
{
grub_efi_uint32_t max_mode;
grub_efi_uint32_t mode;
struct grub_efi_gop_mode_info *info;
grub_efi_uintn_t info_size;
grub_efi_physical_address_t fb_base;
grub_efi_uintn_t fb_size;
};
/* Forward declaration. */
struct grub_efi_gop;
typedef grub_efi_status_t
(*grub_efi_gop_query_mode_t) (struct grub_efi_gop *this,
grub_efi_uint32_t mode_number,
grub_efi_uintn_t *size_of_info,
struct grub_efi_gop_mode_info **info);
typedef grub_efi_status_t
(*grub_efi_gop_set_mode_t) (struct grub_efi_gop *this,
grub_efi_uint32_t mode_number);
typedef grub_efi_status_t
(*grub_efi_gop_blt_t) (struct grub_efi_gop *this,
void *buffer,
grub_efi_uintn_t operation,
grub_efi_uintn_t sx,
grub_efi_uintn_t sy,
grub_efi_uintn_t dx,
grub_efi_uintn_t dy,
grub_efi_uintn_t width,
grub_efi_uintn_t height,
grub_efi_uintn_t delta);
struct grub_efi_gop
{
grub_efi_gop_query_mode_t query_mode;
grub_efi_gop_set_mode_t set_mode;
grub_efi_gop_blt_t blt;
struct grub_efi_gop_mode *mode;
};
#endif
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