113 lines
2.9 KiB
C
113 lines
2.9 KiB
C
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/******************************************************************************
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* Copyright (c) 2004, 2008 IBM Corporation
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* Copyright (c) 2009 Pattrick Hueper <phueper@hueper.net>
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* All rights reserved.
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* This program and the accompanying materials
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* are made available under the terms of the BSD License
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* which accompanies this distribution, and is available at
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* http://www.opensource.org/licenses/bsd-license.php
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*
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* Contributors:
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* IBM Corporation - initial implementation
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*****************************************************************************/
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// these structs are for input from and output to OF
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typedef struct {
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u8 display_type; // 0=NONE, 1= analog, 2=digital
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u16 screen_width;
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u16 screen_height;
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u16 screen_linebytes; // bytes per line in framebuffer, may be more than screen_width
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u8 color_depth; // color depth in bpp
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u32 framebuffer_address;
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u8 edid_block_zero[128];
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} __attribute__ ((__packed__)) screen_info_t;
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typedef struct {
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u8 signature[4];
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u16 size_reserved;
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u8 monitor_number;
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u16 max_screen_width;
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u8 color_depth;
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} __attribute__ ((__packed__)) screen_info_input_t;
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// these structs only store a subset of the VBE defined fields
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// only those needed.
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typedef struct {
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char signature[4];
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u16 version;
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u8 *oem_string_ptr;
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u32 capabilities;
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u16 video_mode_list[256]; // lets hope we never have more than 256 video modes...
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u16 total_memory;
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} vbe_info_t;
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typedef struct {
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u16 mode_attributes; // 00
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u8 win_a_attributes; // 02
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u8 win_b_attributes; // 03
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u16 win_granularity; // 04
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u16 win_size; // 06
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u16 win_a_segment; // 08
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u16 win_b_segment; // 0a
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u32 win_func_ptr; // 0c
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u16 bytes_per_scanline; // 10
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u16 x_resolution; // 12
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u16 y_resolution; // 14
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u8 x_charsize; // 16
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u8 y_charsize; // 17
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u8 number_of_planes; // 18
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u8 bits_per_pixel; // 19
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u8 number_of_banks; // 20
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u8 memory_model; // 21
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u8 bank_size; // 22
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u8 number_of_image_pages; // 23
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u8 reserved_page;
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u8 red_mask_size;
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u8 red_mask_pos;
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u8 green_mask_size;
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u8 green_mask_pos;
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u8 blue_mask_size;
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u8 blue_mask_pos;
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u8 reserved_mask_size;
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u8 reserved_mask_pos;
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u8 direct_color_mode_info;
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u32 phys_base_ptr;
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u32 offscreen_mem_offset;
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u16 offscreen_mem_size;
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u8 reserved[206];
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} __attribute__ ((__packed__)) vesa_mode_info_t;
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typedef struct {
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u16 video_mode;
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union {
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vesa_mode_info_t vesa;
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u8 mode_info_block[256];
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};
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// our crap
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//u16 attributes;
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//u16 linebytes;
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//u16 x_resolution;
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//u16 y_resolution;
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//u8 x_charsize;
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//u8 y_charsize;
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//u8 bits_per_pixel;
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//u8 memory_model;
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//u32 framebuffer_address;
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} vbe_mode_info_t;
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typedef struct {
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u8 port_number; // i.e. monitor number
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u8 edid_transfer_time;
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u8 ddc_level;
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u8 edid_block_zero[128];
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} vbe_ddc_info_t;
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struct lb_framebuffer;
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void vbe_set_graphics(void); // yabel only
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void fill_lb_framebuffer(struct lb_framebuffer *framebuffer);
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void vbe_textmode_console(void);
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