| #ifndef __VBE_H |
| #define __VBE_H |
| |
| #include "types.h" // u8 |
| #include "farptr.h" // struct segoff_s |
| |
| #define VESA_SIGNATURE 0x41534556 // VESA |
| #define VBE2_SIGNATURE 0x32454256 // VBE2 |
| |
| struct vbe_info { |
| u32 signature; |
| u16 version; |
| struct segoff_s oem_string; |
| u32 capabilities; |
| struct segoff_s video_mode; |
| u16 total_memory; |
| u16 oem_revision; |
| struct segoff_s oem_vendor_string; |
| struct segoff_s oem_product_string; |
| struct segoff_s oem_revision_string; |
| u8 reserved[222]; |
| } PACKED; |
| |
| struct vbe_mode_info { |
| /* VBE */ |
| u16 mode_attributes; |
| u8 winA_attributes; |
| u8 winB_attributes; |
| u16 win_granularity; |
| u16 win_size; |
| u16 winA_seg; |
| u16 winB_seg; |
| struct segoff_s win_func_ptr; |
| u16 bytes_per_scanline; |
| /* VBE 1.2 */ |
| u16 xres; |
| u16 yres; |
| u8 xcharsize; |
| u8 ycharsize; |
| u8 planes; |
| u8 bits_per_pixel; |
| u8 banks; |
| u8 mem_model; |
| u8 bank_size; |
| u8 pages; |
| u8 reserved0; |
| /* Direct Color */ |
| u8 red_size; |
| u8 red_pos; |
| u8 green_size; |
| u8 green_pos; |
| u8 blue_size; |
| u8 blue_pos; |
| u8 alpha_size; |
| u8 alpha_pos; |
| u8 directcolor_info; |
| /* VBE 2.0 */ |
| u32 phys_base; |
| u32 reserved1; |
| u16 reserved2; |
| /* VBE 3.0 */ |
| u16 linear_bytes_per_scanline; |
| u8 bank_pages; |
| u8 linear_pages; |
| u8 linear_red_size; |
| u8 linear_red_pos; |
| u8 linear_green_size; |
| u8 linear_green_pos; |
| u8 linear_blue_size; |
| u8 linear_blue_pos; |
| u8 linear_alpha_size; |
| u8 linear_alpha_pos; |
| u32 pixclock_max; |
| u8 reserved[190]; |
| } PACKED; |
| |
| struct vbe_crtc_info { |
| u16 horiz_total; |
| u16 horiz_sync_start; |
| u16 horiz_sync_end; |
| u16 vert_total; |
| u16 vert_sync_start; |
| u16 vert_sync_end; |
| u8 flags; |
| u32 pixclock; |
| u16 refresh_rate; |
| u8 reserved[40]; |
| } PACKED; |
| |
| /* VBE Return Status Info */ |
| /* AL */ |
| #define VBE_RETURN_STATUS_SUPPORTED 0x4F |
| #define VBE_RETURN_STATUS_UNSUPPORTED 0x00 |
| /* AH */ |
| #define VBE_RETURN_STATUS_SUCCESSFULL 0x00 |
| #define VBE_RETURN_STATUS_FAILED 0x01 |
| #define VBE_RETURN_STATUS_NOT_SUPPORTED 0x02 |
| #define VBE_RETURN_STATUS_INVALID 0x03 |
| |
| /* VBE Mode Numbers */ |
| |
| #define VBE_MODE_VESA_DEFINED 0x0100 |
| #define VBE_MODE_REFRESH_RATE_USE_CRTC 0x0800 |
| #define VBE_MODE_LINEAR_FRAME_BUFFER 0x4000 |
| #define VBE_MODE_PRESERVE_DISPLAY_MEMORY 0x8000 |
| |
| #define VBE_VESA_MODE_END_OF_LIST 0xFFFF |
| |
| /* Capabilities */ |
| |
| #define VBE_CAPABILITY_8BIT_DAC 0x0001 |
| #define VBE_CAPABILITY_NOT_VGA_COMPATIBLE 0x0002 |
| #define VBE_CAPABILITY_RAMDAC_USE_BLANK_BIT 0x0004 |
| #define VBE_CAPABILITY_STEREOSCOPIC_SUPPORT 0x0008 |
| #define VBE_CAPABILITY_STEREO_VIA_VESA_EVC 0x0010 |
| |
| /* Mode Attributes */ |
| |
| #define VBE_MODE_ATTRIBUTE_SUPPORTED 0x0001 |
| #define VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE 0x0002 |
| #define VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT 0x0004 |
| #define VBE_MODE_ATTRIBUTE_COLOR_MODE 0x0008 |
| #define VBE_MODE_ATTRIBUTE_GRAPHICS_MODE 0x0010 |
| #define VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE 0x0020 |
| #define VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW 0x0040 |
| #define VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE 0x0080 |
| #define VBE_MODE_ATTRIBUTE_DOUBLE_SCAN_MODE 0x0100 |
| #define VBE_MODE_ATTRIBUTE_INTERLACE_MODE 0x0200 |
| #define VBE_MODE_ATTRIBUTE_HARDWARE_TRIPLE_BUFFER 0x0400 |
| #define VBE_MODE_ATTRIBUTE_HARDWARE_STEREOSCOPIC_DISPLAY 0x0800 |
| #define VBE_MODE_ATTRIBUTE_DUAL_DISPLAY_START_ADDRESS 0x1000 |
| |
| #define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE ) |
| |
| /* Window attributes */ |
| |
| #define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01 |
| #define VBE_WINDOW_ATTRIBUTE_READABLE 0x02 |
| #define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04 |
| |
| /* Memory model */ |
| |
| #define VBE_MEMORYMODEL_TEXT_MODE 0x00 |
| #define VBE_MEMORYMODEL_CGA_GRAPHICS 0x01 |
| #define VBE_MEMORYMODEL_HERCULES_GRAPHICS 0x02 |
| #define VBE_MEMORYMODEL_PLANAR 0x03 |
| #define VBE_MEMORYMODEL_PACKED_PIXEL 0x04 |
| #define VBE_MEMORYMODEL_NON_CHAIN_4_256 0x05 |
| #define VBE_MEMORYMODEL_DIRECT_COLOR 0x06 |
| #define VBE_MEMORYMODEL_YUV 0x07 |
| |
| /* DirectColorModeInfo */ |
| |
| #define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01 |
| #define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02 |
| |
| #endif |