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- /******************************************************************************
- * 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 graphic_device;
- int vbe_get_video_info(struct graphic_device *gdev);
- 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
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