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git01.mediatek.com / filogic / uboot / 66342ef7d9f13bd2620dbb4d9a470daa5f6841f7 / . / include / vbe.h
blob: 1631260eb73ea92229669d85778c0c545e5736ec [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -0400[diff] [blame]1/* SPDX-License-Identifier: BSD-2-Clause */
Simon Glasse518f4e2014-11-14 20:56:31 -0700[diff] [blame]2/******************************************************************************
3 * Copyright (c) 2004, 2008 IBM Corporation
4 * Copyright (c) 2009 Pattrick Hueper <phueper@hueper.net>
5 * All rights reserved.
6 *
Simon Glasse518f4e2014-11-14 20:56:31 -0700[diff] [blame]7 * Contributors:
8 * IBM Corporation - initial implementation
9 *****************************************************************************/
10#ifndef _VBE_H
11#define _VBE_H
12
13/* these structs are for input from and output to OF */
Bin Mengf6d504f2015-07-06 16:31:36 +0800[diff] [blame]14struct __packed vbe_screen_info {
Simon Glasse518f4e2014-11-14 20:56:31 -0700[diff] [blame]15 u8 display_type; /* 0=NONE, 1= analog, 2=digital */
16 u16 screen_width;
17 u16 screen_height;
18 /* bytes per line in framebuffer, may be more than screen_width */
19 u16 screen_linebytes;
20 u8 color_depth; /* color depth in bits per pixel */
21 u32 framebuffer_address;
22 u8 edid_block_zero[128];
23};
24
Bin Mengf6d504f2015-07-06 16:31:36 +0800[diff] [blame]25struct __packed vbe_screen_info_input {
Simon Glasse518f4e2014-11-14 20:56:31 -0700[diff] [blame]26 u8 signature[4];
27 u16 size_reserved;
28 u8 monitor_number;
29 u16 max_screen_width;
30 u8 color_depth;
31};
32
33/* these structs only store the required a subset of the VBE-defined fields */
34struct __packed vbe_info {
35 char signature[4];
36 u16 version;
Simon Glassc55b1c62014-12-29 19:32:26 -0700[diff] [blame]37 u32 oem_string_ptr;
Simon Glasse518f4e2014-11-14 20:56:31 -0700[diff] [blame]38 u32 capabilities;
Simon Glassc55b1c62014-12-29 19:32:26 -0700[diff] [blame]39 u32 modes_ptr;
Simon Glasse518f4e2014-11-14 20:56:31 -0700[diff] [blame]40 u16 total_memory;
Simon Glassc55b1c62014-12-29 19:32:26 -0700[diff] [blame]41 u16 oem_version;
42 u32 vendor_name_ptr;
43 u32 product_name_ptr;
44 u32 product_rev_ptr;
Simon Glasse518f4e2014-11-14 20:56:31 -0700[diff] [blame]45};
46
47struct __packed vesa_mode_info {
48 u16 mode_attributes; /* 00 */
49 u8 win_a_attributes; /* 02 */
50 u8 win_b_attributes; /* 03 */
51 u16 win_granularity; /* 04 */
52 u16 win_size; /* 06 */
53 u16 win_a_segment; /* 08 */
54 u16 win_b_segment; /* 0a */
55 u32 win_func_ptr; /* 0c */
56 u16 bytes_per_scanline; /* 10 */
57 u16 x_resolution; /* 12 */
58 u16 y_resolution; /* 14 */
59 u8 x_charsize; /* 16 */
60 u8 y_charsize; /* 17 */
61 u8 number_of_planes; /* 18 */
62 u8 bits_per_pixel; /* 19 */
63 u8 number_of_banks; /* 20 */
64 u8 memory_model; /* 21 */
65 u8 bank_size; /* 22 */
66 u8 number_of_image_pages; /* 23 */
67 u8 reserved_page;
68 u8 red_mask_size;
69 u8 red_mask_pos;
70 u8 green_mask_size;
71 u8 green_mask_pos;
72 u8 blue_mask_size;
73 u8 blue_mask_pos;
74 u8 reserved_mask_size;
75 u8 reserved_mask_pos;
76 u8 direct_color_mode_info;
77 u32 phys_base_ptr;
78 u32 offscreen_mem_offset;
79 u16 offscreen_mem_size;
80 u8 reserved[206];
81};
82
83struct vbe_mode_info {
84 u16 video_mode;
85 bool valid;
86 union {
87 struct vesa_mode_info vesa;
88 u8 mode_info_block[256];
89 };
90};
91
92struct vbe_ddc_info {
93 u8 port_number; /* i.e. monitor number */
94 u8 edid_transfer_time;
95 u8 ddc_level;
96 u8 edid_block_zero[128];
97};
98
99#define VESA_GET_INFO 0x4f00
100#define VESA_GET_MODE_INFO 0x4f01
101#define VESA_SET_MODE 0x4f02
Simon Glassc55b1c62014-12-29 19:32:26 -0700[diff] [blame]102#define VESA_GET_CUR_MODE 0x4f03
Simon Glasse518f4e2014-11-14 20:56:31 -0700[diff] [blame]103
Bin Mengc8990bd2015-08-13 00:29:16 -0700[diff] [blame]104extern struct vbe_mode_info mode_info;
105
Simon Glass4ef5d2d2016-10-05 20:42:17 -0600[diff] [blame]106struct video_priv;
Simon Glassb75b15b2020-12-03 16:55:23 -0700[diff] [blame]107struct video_uc_plat;
Bin Meng23f5cb52016-10-09 04:14:15 -0700[diff] [blame]108int vbe_setup_video_priv(struct vesa_mode_info *vesa,
109 struct video_priv *uc_priv,
Simon Glassb75b15b2020-12-03 16:55:23 -0700[diff] [blame]110 struct video_uc_plat *plat);
Simon Glass4ef5d2d2016-10-05 20:42:17 -0600[diff] [blame]111int vbe_setup_video(struct udevice *dev, int (*int15_handler)(void));
Simon Glasse518f4e2014-11-14 20:56:31 -0700[diff] [blame]112
113#endif