123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130 |
- /* SPDX-License-Identifier: BSD-2-Clause */
- /******************************************************************************
- * Copyright (c) 2004, 2008 IBM Corporation
- * Copyright (c) 2009 Pattrick Hueper <phueper@hueper.net>
- * All rights reserved.
- *
- * Contributors:
- * IBM Corporation - initial implementation
- *****************************************************************************/
- #ifndef _VESA_H
- #define _VESA_H
- /* these structs are for input from and output to OF */
- struct __packed vesa_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 vesa_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 subset of fields in Vesa BIOS
- * Extensions
- */
- struct __packed vesa_bios_ext_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 vesa_state {
- u16 video_mode;
- bool valid;
- union {
- struct vesa_mode_info vesa;
- u8 mode_info_block[256];
- };
- };
- struct vesa_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 vesa_state mode_info;
- struct video_priv;
- struct video_uc_plat;
- /**
- * vesa_setup_video_priv() - Set up a video device using VESA information
- *
- * The vesa struct is used by various x86 drivers, so this is a common function
- * to use it to set up the video.
- *
- * @vesa: Vesa information to use (vesa->phys_base_ptr is ignored)
- * @fb: Frame buffer address (since vesa->phys_base_ptr is only 32 bits)
- * @uc_priv: Video device's uclass-private information
- * @plat: Video devices's uclass-private platform data
- * Returns: 0 if OK, -ENXIO if the x resolution is 0, -EEPROTONOSUPPORT if the
- * pixel format is not supported
- */
- int vesa_setup_video_priv(struct vesa_mode_info *vesa, u64 fb,
- struct video_priv *uc_priv,
- struct video_uc_plat *plat);
- int vesa_setup_video(struct udevice *dev, int (*int15_handler)(void));
- #endif
|