nuclear@0: #ifndef VBE_H_
nuclear@0: #define VBE_H_
nuclear@0: 
nuclear@0: #include "inttypes.h"
nuclear@0: 
nuclear@3: #ifdef __GNUC__
nuclear@3: #define PACKED	__attribute__((packed))
nuclear@3: #else
nuclear@3: #define PACKED
nuclear@3: #endif
nuclear@3: 
nuclear@0: #define VBE_ATTR_LFB	(1 << 7)
nuclear@0: #define VBE_MODE_LFB	(1 << 14)
nuclear@0: 
nuclear@0: #pragma pack (push, 0)
nuclear@0: struct vbe_info {
nuclear@0: 	uint8_t sig[4];
nuclear@0: 	uint16_t version;
nuclear@0: 	uint32_t oem_str_ptr;
nuclear@0: 	uint8_t caps[4];			/* capabilities */
nuclear@0: 	uint32_t vid_mode_ptr;		/* vbefarptr to video mode list */
nuclear@0: 	uint16_t total_mem;			/* num of 64k mem blocks */
nuclear@0: 	uint16_t oem_sw_rev;		/* VBE implementation software revision */
nuclear@0: 	uint32_t oem_vendor_name_ptr;
nuclear@0: 	uint32_t oem_product_name_ptr;
nuclear@0: 	uint32_t oem_product_rev_ptr;
nuclear@0: 	uint8_t reserved[222];
nuclear@0: 	uint8_t oem_data[256];
nuclear@3: } PACKED;
nuclear@0: 
nuclear@0: struct vbe_mode_info {
nuclear@0: 	uint16_t mode_attr;
nuclear@0: 	uint8_t wina_attr, winb_attr;
nuclear@0: 	uint16_t win_gran, win_size;
nuclear@0: 	uint16_t wina_seg, winb_seg;
nuclear@0: 	uint32_t win_func;
nuclear@0: 	uint16_t scanline_bytes;
nuclear@0: 
nuclear@0: 	/* VBE 1.2 and above */
nuclear@0: 	uint16_t xres, yres;
nuclear@0: 	uint8_t xcharsz, ycharsz;
nuclear@0: 	uint8_t num_planes;
nuclear@0: 	uint8_t bpp;
nuclear@0: 	uint8_t num_banks;
nuclear@0: 	uint8_t mem_model;
nuclear@0: 	uint8_t bank_size;		/* bank size in KB */
nuclear@0: 	uint8_t num_img_pages;
nuclear@0: 	uint8_t reserved1;
nuclear@0: 
nuclear@0: 	/* direct color fields */
nuclear@0: 	uint8_t rmask_size, rpos;
nuclear@0: 	uint8_t gmask_size, gpos;
nuclear@0: 	uint8_t bmask_size, bpos;
nuclear@0: 	uint8_t xmask_size, xpos;
nuclear@0: 	uint8_t cmode_info;		/* direct color mode attributes */
nuclear@0: 
nuclear@0: 	/* VBE 2.0 and above */
nuclear@0: 	uint32_t fb_addr;		/* physical address of the linear framebuffer */
nuclear@0: 	uint32_t reserved2;
nuclear@0: 	uint16_t reserved3;
nuclear@0: 
nuclear@0: 	uint8_t reserved4[206];
nuclear@3: } PACKED;
nuclear@0: #pragma pack (pop)
nuclear@0: 
nuclear@0: struct vbe_info *vbe_get_info(void);
nuclear@3: struct vbe_mode_info *vbe_get_mode_info(int mode);
nuclear@0: 
nuclear@3: int vbe_set_mode(int mode);
nuclear@0: 
nuclear@0: int vbe_set_palette_bits(int bits);
nuclear@0: void vbe_set_palette(int idx, int *col, int count, int bits);
nuclear@0: 
nuclear@3: #define VBE_SET_DISP_START_NOW		0
nuclear@3: #define VBE_SET_DISP_START_VBLANK	0x80
nuclear@3: int vbe_set_disp_start(int x, int y, int when);
nuclear@3: 
nuclear@3: #define VBE_SCANLEN_PIXELS	0
nuclear@3: #define VBE_SCANLEN_BYTES	2
nuclear@3: int vbe_set_scanlen(int len, int mode);
nuclear@3: int vbe_get_scanlen(int mode);
nuclear@3: 
nuclear@0: void print_mode_info(FILE *fp, struct vbe_mode_info *modei);
nuclear@0: 
nuclear@0: #endif	/* VBE_H_ */