include/uapi/video/uvesafb.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef _UAPI_UVESAFB_H
   3 #define _UAPI_UVESAFB_H
   4
   5 #include <linux/types.h>
   6
   7 struct v86_regs {
   8         __u32 ebx;
   9         __u32 ecx;
  10         __u32 edx;
  11         __u32 esi;
  12         __u32 edi;
  13         __u32 ebp;
  14         __u32 eax;
  15         __u32 eip;
  16         __u32 eflags;
  17         __u32 esp;
  18         __u16 cs;
  19         __u16 ss;
  20         __u16 es;
  21         __u16 ds;
  22         __u16 fs;
  23         __u16 gs;
  24 };
  25
  26 /* Task flags */
  27 #define TF_VBEIB        0x01
  28 #define TF_BUF_ESDI     0x02
  29 #define TF_BUF_ESBX     0x04
  30 #define TF_BUF_RET      0x08
  31 #define TF_EXIT         0x10
  32
  33 struct uvesafb_task {
  34         __u8 flags;
  35         int buf_len;
  36         struct v86_regs regs;
  37 };
  38
  39 /* Constants for the capabilities field
  40  * in vbe_ib */
  41 #define VBE_CAP_CAN_SWITCH_DAC  0x01
  42 #define VBE_CAP_VGACOMPAT       0x02
  43
  44 /* The VBE Info Block */
  45 struct vbe_ib {
  46         char  vbe_signature[4];
  47         __u16 vbe_version;
  48         __u32 oem_string_ptr;
  49         __u32 capabilities;
  50         __u32 mode_list_ptr;
  51         __u16 total_memory;
  52         __u16 oem_software_rev;
  53         __u32 oem_vendor_name_ptr;
  54         __u32 oem_product_name_ptr;
  55         __u32 oem_product_rev_ptr;
  56         __u8  reserved[222];
  57         char  oem_data[256];
  58         char  misc_data[512];
  59 } __attribute__ ((packed));
  60
  61 #endif /* _UAPI_UVESAFB_H */