/******************************************************************************
|
* 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
|
