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review.coreboot.org / coreboot / c1efb9038402af268a0a25957ac236d047b21f22 / . / src / devices / oprom / include / vbe.h
blob: f857b67af22bde35d8bd730c771b0bc48dfc8969 [file] [log] [blame]
Stefan Reinauer216fa462011-10-12 14:25:07 -0700[diff] [blame]1/******************************************************************************
2 * Copyright (c) 2004, 2008 IBM Corporation
3 * Copyright (c) 2009 Pattrick Hueper <phueper@hueper.net>
4 * All rights reserved.
5 * This program and the accompanying materials
6 * are made available under the terms of the BSD License
7 * which accompanies this distribution, and is available at
8 * http://www.opensource.org/licenses/bsd-license.php
9 *
10 * Contributors:
11 * IBM Corporation - initial implementation
12 *****************************************************************************/
13
14// these structs are for input from and output to OF
15typedef struct {
16 u8 display_type; // 0=NONE, 1= analog, 2=digital
17 u16 screen_width;
18 u16 screen_height;
19 u16 screen_linebytes; // bytes per line in framebuffer, may be more than screen_width
20 u8 color_depth; // color depth in bpp
21 u32 framebuffer_address;
22 u8 edid_block_zero[128];
23} __attribute__ ((__packed__)) screen_info_t;
24
25typedef struct {
26 u8 signature[4];
27 u16 size_reserved;
28 u8 monitor_number;
29 u16 max_screen_width;
30 u8 color_depth;
31} __attribute__ ((__packed__)) screen_info_input_t;
32
33// these structs only store a subset of the VBE defined fields
34// only those needed.
35typedef struct {
36 char signature[4];
37 u16 version;
38 u8 *oem_string_ptr;
39 u32 capabilities;
40 u16 video_mode_list[256]; // lets hope we never have more than 256 video modes...
41 u16 total_memory;
42} vbe_info_t;
43
44typedef struct {
45 u16 mode_attributes; // 00
46 u8 win_a_attributes; // 02
47 u8 win_b_attributes; // 03
48 u16 win_granularity; // 04
49 u16 win_size; // 06
50 u16 win_a_segment; // 08
51 u16 win_b_segment; // 0a
52 u32 win_func_ptr; // 0c
53 u16 bytes_per_scanline; // 10
54 u16 x_resolution; // 12
55 u16 y_resolution; // 14
56 u8 x_charsize; // 16
57 u8 y_charsize; // 17
58 u8 number_of_planes; // 18
59 u8 bits_per_pixel; // 19
60 u8 number_of_banks; // 20
61 u8 memory_model; // 21
62 u8 bank_size; // 22
63 u8 number_of_image_pages; // 23
64 u8 reserved_page;
65 u8 red_mask_size;
66 u8 red_mask_pos;
67 u8 green_mask_size;
68 u8 green_mask_pos;
69 u8 blue_mask_size;
70 u8 blue_mask_pos;
71 u8 reserved_mask_size;
72 u8 reserved_mask_pos;
73 u8 direct_color_mode_info;
74 u32 phys_base_ptr;
75 u32 offscreen_mem_offset;
76 u16 offscreen_mem_size;
77 u8 reserved[206];
78} __attribute__ ((__packed__)) vesa_mode_info_t;
79
80typedef struct {
81 u16 video_mode;
82 union {
83 vesa_mode_info_t vesa;
84 u8 mode_info_block[256];
85 };
86 // our crap
87 //u16 attributes;
88 //u16 linebytes;
89 //u16 x_resolution;
90 //u16 y_resolution;
91 //u8 x_charsize;
92 //u8 y_charsize;
93 //u8 bits_per_pixel;
94 //u8 memory_model;
95 //u32 framebuffer_address;
96} vbe_mode_info_t;
97
98typedef struct {
99 u8 port_number; // i.e. monitor number
100 u8 edid_transfer_time;
101 u8 ddc_level;
102 u8 edid_block_zero[128];
103} vbe_ddc_info_t;
104
105struct lb_framebuffer;
106
Stefan Reinauerc1efb902011-10-12 14:30:59 -0700[diff] [blame^]107void vbe_set_graphics(void);
Stefan Reinauer216fa462011-10-12 14:25:07 -0700[diff] [blame]108void vbe_textmode_console(void);
Stefan Reinauerc1efb902011-10-12 14:30:59 -0700[diff] [blame^]109void fill_lb_framebuffer(struct lb_framebuffer *framebuffer);
Stefan Reinauer216fa462011-10-12 14:25:07 -0700[diff] [blame]110
Stefan Reinauerc1efb902011-10-12 14:30:59 -0700[diff] [blame^]111#define VESA_GET_INFO 0x4f00
112#define VESA_GET_MODE_INFO 0x4f01
113#define VESA_SET_MODE 0x4f02
Stefan Reinauer216fa462011-10-12 14:25:07 -0700[diff] [blame]114