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