uint8_t lfb_xsize, lfb_xpos;
uint32_t max_pixel_clock;
- uint8_t reserved2[190];
+ char reserved2[190];
+} PACKED;
+
+struct vbe_crtc_info {
+ uint16_t htotal, hsync_start, hsync_end;
+ uint16_t vtotal, vsync_start, vsync_end;
+ uint8_t flags;
+ uint32_t pixel_clock;
+ uint16_t rate_centihz; /* refresh rate in 1/100 hz (pck / (htotal * vtotal)) */
+ char reserved[40];
} PACKED;
#pragma pack (pop)
+/* returned by vbe_scanline_info() */
+struct vbe_scanline_info {
+ int size;
+ int num_pixels;
+ int max_scanlines;
+};
+
enum {
VBE_8BIT_DAC = 0x01,
VBE_NON_VGA = 0x02,
VBE_ATTR_NOTVGA = 0x0020,
VBE_ATTR_BANKED = 0x0040,
VBE_ATTR_LFB = 0x0080,
- VBE_ATTR_2XSCAN = 0x0100,
+ VBE_ATTR_DBLSCAN = 0x0100,
/* VBE 3.0 */
VBE_ATTR_ILACE = 0x0200, /* ! */
VBE_ATTR_TRIPLEBUF = 0x0400,
VBE_ATTR_STEREO = 0x0800,
VBE_ATTR_STEREO_2FB = 0x1000,
/* VBE/AF */
- VBE_ATTR_MUSTLOCK = 0x0200, /* ! */
+ VBE_ATTR_MUSTLOCK = 0x0200 /* ! */
};
/* VBE memory model type (vbe_mode_info.mem_model) */
VBE_MODE_PRESERVE = 0x8000
};
+/* standard mode numbers */
+enum {
+ VBE_640X400_8BPP = 0x100,
+ VBE_640X480_8BPP = 0x101,
+ VBE_800X600_4BPP = 0x102,
+ VBE_800X600_8BPP = 0x103,
+ VBE_1024X768_4BPP = 0x104,
+ VBE_1024X768_8BPP = 0x105,
+ VBE_1280X1024_4BPP = 0x106,
+ VBE_1280X1024_8BPP = 0x107,
+ VBE_80X60_TEXT = 0x108,
+ VBE_132X25_TEXT = 0x109,
+ VBE_132X43_TEXT = 0x10a,
+ VBE_132X50_TEXT = 0x10b,
+ VBE_132X60_TEXT = 0x10c,
+ /* VBE 1.2 */
+ VBE_320X200_15BPP = 0x10d,
+ VBE_320X200_16BPP = 0x10e,
+ VBE_320X200_24BPP = 0x10f,
+ VBE_640X480_15BPP = 0x110,
+ VBE_640X480_16BPP = 0x111,
+ VBE_640X480_24BPP = 0x112,
+ VBE_800X600_15BPP = 0x113,
+ VBE_800X600_16BPP = 0x114,
+ VBE_800X600_24BPP = 0x115,
+ VBE_1024X768_15BPP = 0x116,
+ VBE_1024X768_16BPP = 0x117,
+ VBE_1024X768_24BPP = 0x118,
+ VBE_1280X1024_15BPP = 0x119,
+ VBE_1280X1024_16BPP = 0x11a,
+ VBE_1280X1024_24BPP = 0x11b,
+ /* VBE 2.0 */
+ VBE_1600X1200_8BPP = 0x120,
+ VBE_1600X1200_15BPP = 0x121,
+ VBE_1600X1200_16BPP = 0x122,
+
+ VBE_VMEM_MODE = 0x81ff
+};
+
+/* VBE CRTC flags (vbe_crtc_info.flags) */
+enum {
+ VBE_CRTC_DBLSCAN = 0x01,
+ VBE_CRTC_ILACE = 0x02,
+ VBE_CRTC_HSYNC_NEG = 0x04,
+ VBE_CRTC_VSYNC_NEG = 0x08
+};
+
+enum {
+ VBE_STATE_CTRLHW = 0x01,
+ VBE_STATE_BIOS = 0x02,
+ VBE_STATE_DAC = 0x04,
+ VBE_STATE_REGS = 0x08,
+
+ VBE_STATE_ALL = 0xffff
+};
+
+enum {
+ VBE_SWAP_NOW,
+ VBE_SWAP_VBLANK,
+ VBE_SWAP_ASYNC /* schedule swap and return (triple-buffering) */
+};
+
int vbe_info(struct vbe_info *info);
int vbe_num_modes(struct vbe_info *info);
int vbe_mode_info(int mode, struct vbe_mode_info *minf);
void vbe_print_info(FILE *fp, struct vbe_info *info);
void vbe_print_mode_info(FILE *fp, struct vbe_mode_info *minf);
+int vbe_setmode(uint16_t mode);
+int vbe_setmode_crtc(uint16_t mode, struct vbe_crtc_info *crtc);
+int vbe_getmode(void);
+
+int vbe_state_size(unsigned int flags);
+int vbe_save(void *stbuf, int sz, unsigned int flags);
+int vbe_restore(void *stbuf, int sz, unsigned int flags);
+
+int vbe_setwin(int wid, int pos);
+int vbe_getwin(int wid);
+
+/* returns the actual length in pixels, which might not be what was requested */
+int vbe_setscanlen(int len_pix);
+int vbe_getscanlen(void);
+int vbe_getpitch(void);
+int vbe_scanline_info(struct vbe_scanline_info *sinf);
+
+int vbe_setdisp(int x, int y, int when);
+int vbe_swap(uint32_t voffs, int when);
+int vbe_swap_pending(void); /* 0: not pending (done) or error, 1: pending swap */
+/* TODO add stereo swap */
+
#endif /* VBE_H_ */