--- /dev/null
+#ifndef _IPXE_VESAFB_H
+#define _IPXE_VESAFB_H
+
+/** @file
+ *
+ * VESA frame buffer console
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <realmode.h>
+
+/** INT 10,4f00: return controller information */
+#define VBE_CONTROLLER_INFO 0x4f00
+
+/** VBE controller information */
+struct vbe_controller_info {
+ /** VBE signature */
+ uint32_t vbe_signature;
+ /** VBE minor version */
+ uint8_t vbe_minor_version;
+ /** VBE major version */
+ uint8_t vbe_major_version;
+ /** Pointer to OEM string */
+ struct segoff oem_string_ptr;
+ /** Capabilities of graphics controller */
+ uint32_t capabilities;
+ /** Pointer to video mode list */
+ struct segoff video_mode_ptr;
+ /** Number of 64kB memory blocks */
+ uint16_t total_memory;
+ /** VBE implementation software revision */
+ uint16_t oem_software_rev;
+ /** Pointer to vendor name string */
+ struct segoff oem_vendor_name_ptr;
+ /** Pointer to product name string */
+ struct segoff oem_product_name_ptr;
+ /** Pointer to product revision string */
+ struct segoff oem_product_rev_ptr;
+ /** Reserved for VBE implementation scratch area */
+ uint8_t reserved[222];
+ /* VBE2.0 defines an additional 256-byte data area for
+ * including the OEM strings inline within the VBE information
+ * block; we omit this to reduce the amount of base memory
+ * required for VBE calls.
+ */
+} __attribute__ (( packed ));
+
+/** VBE controller information signature */
+#define VBE_CONTROLLER_SIGNATURE \
+ ( ( 'V' << 0 ) | ( 'E' << 8 ) | ( 'S' << 16 ) | ( 'A' << 24 ) )
+
+/** VBE mode list end marker */
+#define VBE_MODE_END 0xffff
+
+/** INT 10,4f01: return VBE mode information */
+#define VBE_MODE_INFO 0x4f01
+
+/** VBE mode information */
+struct vbe_mode_info {
+ /** Mode attributes */
+ uint16_t mode_attributes;
+ /** Window A attributes */
+ uint8_t win_a_attributes;
+ /** Window B attributes */
+ uint8_t win_b_attributes;
+ /** Window granularity */
+ uint16_t win_granularity;
+ /** Window size */
+ uint16_t win_size;
+ /** Window A start segment */
+ uint16_t win_a_segment;
+ /** Window B start segment */
+ uint16_t win_b_segment;
+ /** Pointer to window function */
+ struct segoff win_func_ptr;
+ /** Bytes per scan line */
+ uint16_t bytes_per_scan_line;
+ /** Horizontal resolution in pixels or characters */
+ uint16_t x_resolution;
+ /** Vertical resolution in pixels or characters */
+ uint16_t y_resolution;
+ /** Character cell width in pixels */
+ uint8_t x_char_size;
+ /** Character cell height in pixels */
+ uint8_t y_char_size;
+ /** Number of memory planes */
+ uint8_t number_of_planes;
+ /** Bits per pixel */
+ uint8_t bits_per_pixel;
+ /** Number of banks */
+ uint8_t number_of_banks;
+ /** Memory model type */
+ uint8_t memory_model;
+ /** Bank size in kB */
+ uint8_t bank_size;
+ /** Number of images */
+ uint8_t number_of_image_pages;
+ /** Reserved for page function */
+ uint8_t reserved_1;
+ /** Size of direct colour red mask in bits */
+ uint8_t red_mask_size;
+ /** Bit position of LSB of red mask */
+ uint8_t red_field_position;
+ /** Size of direct colour green mask in bits */
+ uint8_t green_mask_size;
+ /** Bit position of LSB of green mask */
+ uint8_t green_field_position;
+ /** Size of direct colour blue mask in bits */
+ uint8_t blue_mask_size;
+ /** Bit position of LSB of blue mask */
+ uint8_t blue_field_position;
+ /** Size of direct colour reserved mask in bits */
+ uint8_t rsvd_mask_size;
+ /** Bit position of LSB of reserved mask */
+ uint8_t rsvd_field_position;
+ /** Direct colour mode attributes */
+ uint8_t direct_colour_mode_info;
+ /** Physical address for flat memory frame buffer */
+ uint32_t phys_base_ptr;
+ /** Pointer to start of off-screen memory */
+ uint32_t off_screen_mem_offset;
+ /** Amount of off-screen memory in 1kB units */
+ uint16_t off_screen_mem_size;
+ /** Reserved */
+ uint8_t reserved_2[206];
+} __attribute__ (( packed ));
+
+/** VBE mode attributes */
+enum vbe_mode_attributes {
+ /** Mode supported in hardware */
+ VBE_MODE_ATTR_SUPPORTED = 0x0001,
+ /** TTY output functions supported by BIOS */
+ VBE_MODE_ATTR_TTY = 0x0004,
+ /** Colour mode */
+ VBE_MODE_ATTR_COLOUR = 0x0008,
+ /** Graphics mode */
+ VBE_MODE_ATTR_GRAPHICS = 0x0010,
+ /** Not a VGA compatible mode */
+ VBE_MODE_ATTR_NOT_VGA = 0x0020,
+ /** VGA compatible windowed memory mode is not available */
+ VBE_MODE_ATTR_NOT_WINDOWED = 0x0040,
+ /** Linear frame buffer mode is available */
+ VBE_MODE_ATTR_LINEAR = 0x0080,
+ /** Double scan mode is available */
+ VBE_MODE_ATTR_DOUBLE = 0x0100,
+ /** Interlaced mode is available */
+ VBE_MODE_ATTR_INTERLACED = 0x0200,
+ /** Hardware triple buffering support */
+ VBE_MODE_ATTR_TRIPLE_BUF = 0x0400,
+ /** Hardware stereoscopic display support */
+ VBE_MODE_ATTR_STEREO = 0x0800,
+ /** Dual display start address support */
+ VBE_MODE_ATTR_DUAL = 0x1000,
+};
+
+/** VBE mode memory models */
+enum vbe_mode_memory_model {
+ /** Text mode */
+ VBE_MODE_MODEL_TEXT = 0x00,
+ /** CGA graphics mode */
+ VBE_MODE_MODEL_CGA = 0x01,
+ /** Hercules graphics mode */
+ VBE_MODE_MODEL_HERCULES = 0x02,
+ /** Planar mode */
+ VBE_MODE_MODEL_PLANAR = 0x03,
+ /** Packed pixel mode */
+ VBE_MODE_MODEL_PACKED_PIXEL = 0x04,
+ /** Non-chain 4, 256 colour mode */
+ VBE_MODE_MODEL_NON_CHAIN_4 = 0x05,
+ /** Direct colour mode */
+ VBE_MODE_MODEL_DIRECT_COLOUR = 0x06,
+ /** YUV mode */
+ VBE_MODE_MODEL_YUV = 0x07,
+};
+
+/** INT 10,4f02: set VBE mode */
+#define VBE_SET_MODE 0x4f02
+
+/** VBE linear frame buffer mode bit */
+#define VBE_MODE_LINEAR 0x4000
+
+/** INT 10,1130: get font information */
+#define VBE_GET_FONT 0x1130
+
+/** Font sets */
+enum vbe_font_set {
+ /** 8x14 character font */
+ VBE_FONT_8x14 = 0x0200,
+ /** 8x8 double dot font */
+ VBE_FONT_8x8_DOUBLE = 0x0300,
+ /** 8x8 double dot font (high 128 characters) */
+ VBE_FONT_8x8_DOUBLE_HIGH = 0x0400,
+ /** 9x14 alpha alternate font */
+ VBE_FONT_9x14_ALPHA_ALT = 0x0500,
+ /** 8x16 font */
+ VBE_FONT_8x16 = 0x0600,
+ /** 9x16 alternate font */
+ VBE_FONT_9x16_ALT = 0x0700,
+};
+
+/** INT 10,00: set VGA mode */
+#define VBE_SET_VGA_MODE 0x0000
+
+/** INT 10,0f: get VGA mode */
+#define VBE_GET_VGA_MODE 0x0f00
+
+#endif /* _IPXE_VESAFB_H */
Code Review / kvmfornfv.git / blobdiff