diff options
Diffstat (limited to 'qemu/roms/seabios/src/std/vbe.h')
| -rw-r--r-- | qemu/roms/seabios/src/std/vbe.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/qemu/roms/seabios/src/std/vbe.h b/qemu/roms/seabios/src/std/vbe.h new file mode 100644 index 000000000..94b4ad86f --- /dev/null +++ b/qemu/roms/seabios/src/std/vbe.h @@ -0,0 +1,156 @@ +#ifndef __VBE_H +#define __VBE_H + +#include "types.h" // u8 + +#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 |