| /****************************************************************************** | |
| * Copyright (c) 2004, 2008 IBM Corporation | |
| * Copyright (c) 2009 Pattrick Hueper <phueper@hueper.net> | |
| * All rights reserved. | |
| * | |
| * SPDX-License-Identifier: BSD-2-Clause | |
| * | |
| * Contributors: | |
| * IBM Corporation - initial implementation | |
| *****************************************************************************/ | |
| #ifndef _VBE_H | |
| #define _VBE_H | |
| /* these structs are for input from and output to OF */ | |
| struct __packed vbe_screen_info { | |
| u8 display_type; /* 0=NONE, 1= analog, 2=digital */ | |
| u16 screen_width; | |
| u16 screen_height; | |
| /* bytes per line in framebuffer, may be more than screen_width */ | |
| u16 screen_linebytes; | |
| u8 color_depth; /* color depth in bits per pixel */ | |
| u32 framebuffer_address; | |
| u8 edid_block_zero[128]; | |
| }; | |
| struct __packed vbe_screen_info_input { | |
| u8 signature[4]; | |
| u16 size_reserved; | |
| u8 monitor_number; | |
| u16 max_screen_width; | |
| u8 color_depth; | |
| }; | |
| /* these structs only store the required a subset of the VBE-defined fields */ | |
| struct __packed vbe_info { | |
| char signature[4]; | |
| u16 version; | |
| u32 oem_string_ptr; | |
| u32 capabilities; | |
| u32 modes_ptr; | |
| u16 total_memory; | |
| u16 oem_version; | |
| u32 vendor_name_ptr; | |
| u32 product_name_ptr; | |
| u32 product_rev_ptr; | |
| }; | |
| struct __packed vesa_mode_info { | |
| u16 mode_attributes; /* 00 */ | |
| u8 win_a_attributes; /* 02 */ | |
| u8 win_b_attributes; /* 03 */ | |
| u16 win_granularity; /* 04 */ | |
| u16 win_size; /* 06 */ | |
| u16 win_a_segment; /* 08 */ | |
| u16 win_b_segment; /* 0a */ | |
| u32 win_func_ptr; /* 0c */ | |
| u16 bytes_per_scanline; /* 10 */ | |
| u16 x_resolution; /* 12 */ | |
| u16 y_resolution; /* 14 */ | |
| u8 x_charsize; /* 16 */ | |
| u8 y_charsize; /* 17 */ | |
| u8 number_of_planes; /* 18 */ | |
| u8 bits_per_pixel; /* 19 */ | |
| u8 number_of_banks; /* 20 */ | |
| u8 memory_model; /* 21 */ | |
| u8 bank_size; /* 22 */ | |
| u8 number_of_image_pages; /* 23 */ | |
| u8 reserved_page; | |
| u8 red_mask_size; | |
| u8 red_mask_pos; | |
| u8 green_mask_size; | |
| u8 green_mask_pos; | |
| u8 blue_mask_size; | |
| u8 blue_mask_pos; | |
| u8 reserved_mask_size; | |
| u8 reserved_mask_pos; | |
| u8 direct_color_mode_info; | |
| u32 phys_base_ptr; | |
| u32 offscreen_mem_offset; | |
| u16 offscreen_mem_size; | |
| u8 reserved[206]; | |
| }; | |
| struct vbe_mode_info { | |
| u16 video_mode; | |
| bool valid; | |
| union { | |
| struct vesa_mode_info vesa; | |
| u8 mode_info_block[256]; | |
| }; | |
| }; | |
| struct vbe_ddc_info { | |
| u8 port_number; /* i.e. monitor number */ | |
| u8 edid_transfer_time; | |
| u8 ddc_level; | |
| u8 edid_block_zero[128]; | |
| }; | |
| #define VESA_GET_INFO 0x4f00 | |
| #define VESA_GET_MODE_INFO 0x4f01 | |
| #define VESA_SET_MODE 0x4f02 | |
| #define VESA_GET_CUR_MODE 0x4f03 | |
| extern struct vbe_mode_info mode_info; | |
| struct video_priv; | |
| struct video_uc_platdata; | |
| int vbe_setup_video_priv(struct vesa_mode_info *vesa, | |
| struct video_priv *uc_priv, | |
| struct video_uc_platdata *plat); | |
| int vbe_setup_video(struct udevice *dev, int (*int15_handler)(void)); | |
| #endif |