2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software developed by the Computer Systems
6 * Engineering group at Lawrence Berkeley Laboratory under DARPA
7 * contract BG 91-66 and contributed to Berkeley.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)fbio.h 8.2 (Berkeley) 10/30/93
42 #include <sys/types.h>
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 #include <sys/eventhandler.h>
48 #include <sys/ioccom.h>
51 * Frame buffer ioctls (from Sprite, trimmed to essentials for X11).
55 * Frame buffer type codes.
57 #define FBTYPE_SUN1BW 0 /* multibus mono */
58 #define FBTYPE_SUN1COLOR 1 /* multibus color */
59 #define FBTYPE_SUN2BW 2 /* memory mono */
60 #define FBTYPE_SUN2COLOR 3 /* color w/rasterop chips */
61 #define FBTYPE_SUN2GP 4 /* GP1/GP2 */
62 #define FBTYPE_SUN5COLOR 5 /* RoadRunner accelerator */
63 #define FBTYPE_SUN3COLOR 6 /* memory color */
64 #define FBTYPE_MEMCOLOR 7 /* memory 24-bit */
65 #define FBTYPE_SUN4COLOR 8 /* memory color w/overlay */
67 #define FBTYPE_NOTSUN1 9 /* reserved for customer */
68 #define FBTYPE_NOTSUN2 10 /* reserved for customer */
69 #define FBTYPE_PCIMISC 11 /* (generic) PCI misc. disp. */
71 #define FBTYPE_SUNFAST_COLOR 12 /* accelerated 8bit */
72 #define FBTYPE_SUNROP_COLOR 13 /* MEMCOLOR with rop h/w */
73 #define FBTYPE_SUNFB_VIDEO 14 /* Simple video mixing */
74 #define FBTYPE_RESERVED5 15 /* reserved, do not use */
75 #define FBTYPE_RESERVED4 16 /* reserved, do not use */
76 #define FBTYPE_SUNGP3 17
77 #define FBTYPE_SUNGT 18
78 #define FBTYPE_SUNLEO 19 /* zx Leo */
81 #define FBTYPE_HERCULES 21
85 #define FBTYPE_PC98 25
87 #define FBTYPE_TGA2 27
89 #define FBTYPE_MDICOLOR 28 /* cg14 */
90 #define FBTYPE_TCXCOLOR 29 /* SUNW,tcx */
91 #define FBTYPE_CREATOR 30
93 #define FBTYPE_LASTPLUSONE 31 /* max number of fbs (change as add) */
96 * Frame buffer descriptor as returned by FBIOGTYPE.
99 int fb_type; /* as defined above */
100 int fb_height; /* in pixels */
101 int fb_width; /* in pixels */
102 int fb_depth; /* bits per pixel */
103 int fb_cmsize; /* size of color map (entries) */
104 int fb_size; /* total size in bytes */
106 #define FBIOGTYPE _IOR('F', 0, struct fbtype)
108 #define FBTYPE_GET_STRIDE(_fb) ((_fb)->fb_size / (_fb)->fb_height)
109 #define FBTYPE_GET_BPP(_fb) ((_fb)->fb_bpp)
110 #define FBTYPE_GET_BYTESPP(_fb) ((_fb)->fb_bpp / 8)
116 typedef int fb_enter_t(void *priv);
117 typedef int fb_leave_t(void *priv);
120 /* Raw copy of fbtype. Do not change. */
121 int fb_type; /* as defined above */
122 int fb_height; /* in pixels */
123 int fb_width; /* in pixels */
124 int fb_depth; /* bits to define color */
125 int fb_cmsize; /* size of color map (entries) */
126 int fb_size; /* total size in bytes */
128 struct cdev *fb_cdev;
133 intptr_t fb_pbase; /* For FB mmap. */
134 intptr_t fb_vbase; /* if NULL, use fb_write/fb_read. */
135 void *fb_priv; /* First argument for read/write. */
139 int fb_bpp; /* bits per pixel */
140 #define FB_FLAG_NOMMAP 1 /* mmap unsupported. */
141 uint32_t fb_cmap[16];
145 int fbd_register(struct fb_info *);
146 int fbd_unregister(struct fb_info *);
149 register_framebuffer(struct fb_info *info)
152 EVENTHANDLER_INVOKE(register_framebuffer, info);
157 unregister_framebuffer(struct fb_info *info)
160 EVENTHANDLER_INVOKE(unregister_framebuffer, info);
167 * General purpose structure for passing info in and out of frame buffers
168 * (used for gp1) -- unsupported.
171 int fb_physaddr; /* physical frame buffer address */
172 int fb_hwwidth; /* fb board width */
173 int fb_hwheight; /* fb board height */
174 int fb_addrdelta; /* phys addr diff between boards */
175 u_char *fb_ropaddr; /* fb virtual addr */
176 int fb_unit; /* minor devnum of fb */
178 #define FBIOGINFO _IOR('F', 2, struct fbinfo)
185 int index; /* first element (0 origin) */
186 int count; /* number of elements */
187 u_char *red; /* red color map elements */
188 u_char *green; /* green color map elements */
189 u_char *blue; /* blue color map elements */
191 #define FBIOPUTCMAP _IOW('F', 3, struct fbcmap)
192 #define FBIOGETCMAP _IOW('F', 4, struct fbcmap)
195 * Set/get attributes.
197 #define FB_ATTR_NDEVSPECIFIC 8 /* no. of device specific values */
198 #define FB_ATTR_NEMUTYPES 4 /* no. of emulation types */
201 int flags; /* flags; see below */
202 int emu_type; /* emulation type (-1 if unused) */
203 int dev_specific[FB_ATTR_NDEVSPECIFIC]; /* catchall */
205 #define FB_ATTR_AUTOINIT 1 /* emulation auto init flag */
206 #define FB_ATTR_DEVSPECIFIC 2 /* dev. specific stuff valid flag */
209 int real_type; /* real device type */
210 int owner; /* PID of owner, 0 if myself */
211 struct fbtype fbtype; /* fbtype info for real device */
212 struct fbsattr sattr; /* see above */
213 int emu_types[FB_ATTR_NEMUTYPES]; /* possible emulations */
216 #define FBIOSATTR _IOW('F', 5, struct fbsattr)
217 #define FBIOGATTR _IOR('F', 6, struct fbgattr)
222 #define FBVIDEO_OFF 0
225 #define FBIOSVIDEO _IOW('F', 7, int)
226 #define FBIOGVIDEO _IOR('F', 8, int)
228 /* vertical retrace */
229 #define FBIOVERTICAL _IO('F', 9)
232 * Hardware cursor control (for, e.g., CG6). A rather complex and icky
233 * interface that smells like VMS, but there it is....
241 short set; /* flags; see below */
242 short enable; /* nonzero => cursor on, 0 => cursor off */
243 struct fbcurpos pos; /* position on display */
244 struct fbcurpos hot; /* hot-spot within cursor */
245 struct fbcmap cmap; /* cursor color map */
246 struct fbcurpos size; /* number of valid bits in image & mask */
247 caddr_t image; /* cursor image bits */
248 caddr_t mask; /* cursor mask bits */
250 #define FB_CUR_SETCUR 0x01 /* set on/off (i.e., obey fbcursor.enable) */
251 #define FB_CUR_SETPOS 0x02 /* set position */
252 #define FB_CUR_SETHOT 0x04 /* set hot-spot */
253 #define FB_CUR_SETCMAP 0x08 /* set cursor color map */
254 #define FB_CUR_SETSHAPE 0x10 /* set size & bits */
255 #define FB_CUR_SETALL (FB_CUR_SETCUR | FB_CUR_SETPOS | FB_CUR_SETHOT | \
256 FB_CUR_SETCMAP | FB_CUR_SETSHAPE)
258 /* controls for cursor attributes & shape (including position) */
259 #define FBIOSCURSOR _IOW('F', 24, struct fbcursor)
260 #define FBIOGCURSOR _IOWR('F', 25, struct fbcursor)
262 /* controls for cursor position only */
263 #define FBIOSCURPOS _IOW('F', 26, struct fbcurpos)
264 #define FBIOGCURPOS _IOW('F', 27, struct fbcurpos)
266 /* get maximum cursor size */
267 #define FBIOGCURMAX _IOR('F', 28, struct fbcurpos)
270 * Video board information
273 u_short accessible_width; /* accessible bytes in scanline */
274 u_short accessible_height; /* number of accessible scanlines */
275 u_short line_bytes; /* number of bytes/scanline */
276 u_short hdb_capable; /* can this thing hardware db? */
277 u_short vmsize; /* video memory size */
278 u_char boardrev; /* board revision # */
282 #define FBIOGXINFO _IOR('F', 39, struct brd_info)
285 * Monitor information
288 u_long mon_type; /* bit array */
289 #define MON_TYPE_STEREO 0x8 /* stereo display */
290 #define MON_TYPE_0_OFFSET 0x4 /* black level 0 ire instead of 7.5 */
291 #define MON_TYPE_OVERSCAN 0x2 /* overscan */
292 #define MON_TYPE_GRAY 0x1 /* greyscale monitor */
293 u_long pixfreq; /* pixel frequency in Hz */
294 u_long hfreq; /* horizontal freq in Hz */
295 u_long vfreq; /* vertical freq in Hz */
296 u_long vsync; /* vertical sync in scanlines */
297 u_long hsync; /* horizontal sync in pixels */
298 /* these are in pixel units */
299 u_short hfporch; /* horizontal front porch */
300 u_short hbporch; /* horizontal back porch */
301 u_short vfporch; /* vertical front porch */
302 u_short vbporch; /* vertical back porch */
304 #define FBIOMONINFO _IOR('F', 40, struct mon_info)
311 #define FB_CMAP_BLOCK (1 << 0) /* wait for vertical refresh */
312 #define FB_CMAP_KERNEL (1 << 1) /* called within kernel */
313 int id; /* color map id */
314 int index; /* first element (0 origin) */
315 int count; /* number of elements */
316 u_char *red; /* red color map elements */
317 u_char *green; /* green color map elements */
318 u_char *blue; /* blue color map elements */
320 #define FBIOPUTCMAPI _IOW('F', 41, struct fbcmap_i)
321 #define FBIOGETCMAPI _IOW('F', 42, struct fbcmap_i)
323 /* The new style frame buffer ioctls. */
325 /* video mode information block */
327 int vi_mode; /* mode number, see below */
329 #define V_INFO_COLOR (1 << 0)
330 #define V_INFO_GRAPHICS (1 << 1)
331 #define V_INFO_LINEAR (1 << 2)
332 #define V_INFO_VESA (1 << 3)
333 #define V_INFO_NONVGA (1 << 4)
340 vm_offset_t vi_window; /* physical address */
341 size_t vi_window_size;
342 size_t vi_window_gran;
343 vm_offset_t vi_buffer; /* physical address */
344 size_t vi_buffer_size;
346 #define V_INFO_MM_OTHER (-1)
347 #define V_INFO_MM_TEXT 0
348 #define V_INFO_MM_PLANAR 1
349 #define V_INFO_MM_PACKED 2
350 #define V_INFO_MM_DIRECT 3
351 #define V_INFO_MM_CGA 100
352 #define V_INFO_MM_HGC 101
353 #define V_INFO_MM_VGAX 102
354 /* for MM_PACKED and MM_DIRECT only */
355 int vi_pixel_size; /* in bytes */
356 /* for MM_DIRECT only */
357 int vi_pixel_fields[4]; /* RGB and reserved fields */
358 int vi_pixel_fsizes[4];
360 u_char vi_reserved[64];
361 vm_offset_t vi_registers; /* physical address */
362 vm_offset_t vi_registers_size;
364 typedef struct video_info video_info_t;
366 /* adapter infromation block */
367 struct video_adapter {
370 #define KD_OTHER 0 /* unknown */
371 #define KD_MONO 1 /* monochrome adapter */
372 #define KD_HERCULES 2 /* hercules adapter */
373 #define KD_CGA 3 /* color graphics adapter */
374 #define KD_EGA 4 /* enhanced graphics adapter */
375 #define KD_VGA 5 /* video graphics adapter */
376 #define KD_PC98 6 /* PC-98 display */
377 #define KD_TGA 7 /* TGA */
378 #define KD_TGA2 8 /* TGA2 */
383 #define V_ADP_COLOR (1 << 0)
384 #define V_ADP_MODECHANGE (1 << 1)
385 #define V_ADP_STATESAVE (1 << 2)
386 #define V_ADP_STATELOAD (1 << 3)
387 #define V_ADP_FONT (1 << 4)
388 #define V_ADP_PALETTE (1 << 5)
389 #define V_ADP_BORDER (1 << 6)
390 #define V_ADP_VESA (1 << 7)
391 #define V_ADP_BOOTDISPLAY (1 << 8)
392 #define V_ADP_PROBED (1 << 16)
393 #define V_ADP_INITIALIZED (1 << 17)
394 #define V_ADP_REGISTERED (1 << 18)
395 #define V_ADP_ATTACHED (1 << 19)
396 #define V_ADP_DAC8 (1 << 20)
397 vm_offset_t va_io_base;
399 vm_offset_t va_crtc_addr;
400 vm_offset_t va_mem_base;
402 vm_offset_t va_window; /* virtual address */
403 size_t va_window_size;
404 size_t va_window_gran;
405 u_int va_window_orig;
406 vm_offset_t va_buffer; /* virtual address */
407 size_t va_buffer_size;
409 int va_initial_bios_mode;
411 struct video_info va_info;
419 int va_little_bitian;
420 int va_little_endian;
422 vm_offset_t va_registers; /* virtual address */
423 vm_offset_t va_registers_size;
425 typedef struct video_adapter video_adapter_t;
427 struct video_adapter_info {
433 vm_offset_t va_io_base;
435 vm_offset_t va_crtc_addr;
436 vm_offset_t va_mem_base;
438 vm_offset_t va_window; /* virtual address */
439 size_t va_window_size;
440 size_t va_window_gran;
441 vm_offset_t va_unused0;
442 size_t va_buffer_size;
444 int va_initial_bios_mode;
451 u_int va_window_orig;
453 u_char va_reserved[64];
455 typedef struct video_adapter_info video_adapter_info_t;
457 /* some useful video adapter index */
458 #define V_ADP_PRIMARY 0
459 #define V_ADP_SECONDARY 1
461 /* video mode numbers */
463 #define M_B40x25 0 /* black & white 40 columns */
464 #define M_C40x25 1 /* color 40 columns */
465 #define M_B80x25 2 /* black & white 80 columns */
466 #define M_C80x25 3 /* color 80 columns */
467 #define M_BG320 4 /* black & white graphics 320x200 */
468 #define M_CG320 5 /* color graphics 320x200 */
469 #define M_BG640 6 /* black & white graphics 640x200 hi-res */
470 #define M_EGAMONO80x25 7 /* ega-mono 80x25 */
471 #define M_CG320_D 13 /* ega mode D */
472 #define M_CG640_E 14 /* ega mode E */
473 #define M_EGAMONOAPA 15 /* ega mode F */
474 #define M_CG640x350 16 /* ega mode 10 */
475 #define M_ENHMONOAPA2 17 /* ega mode F with extended memory */
476 #define M_ENH_CG640 18 /* ega mode 10* */
477 #define M_ENH_B40x25 19 /* ega enhanced black & white 40 columns */
478 #define M_ENH_C40x25 20 /* ega enhanced color 40 columns */
479 #define M_ENH_B80x25 21 /* ega enhanced black & white 80 columns */
480 #define M_ENH_C80x25 22 /* ega enhanced color 80 columns */
481 #define M_VGA_C40x25 23 /* vga 8x16 font on color */
482 #define M_VGA_C80x25 24 /* vga 8x16 font on color */
483 #define M_VGA_M80x25 25 /* vga 8x16 font on mono */
485 #define M_VGA11 26 /* vga 640x480 2 colors */
486 #define M_BG640x480 26
487 #define M_VGA12 27 /* vga 640x480 16 colors */
488 #define M_CG640x480 27
489 #define M_VGA13 28 /* vga 320x200 256 colors */
490 #define M_VGA_CG320 28
492 #define M_VGA_C80x50 30 /* vga 8x8 font on color */
493 #define M_VGA_M80x50 31 /* vga 8x8 font on color */
494 #define M_VGA_C80x30 32 /* vga 8x16 font on color */
495 #define M_VGA_M80x30 33 /* vga 8x16 font on color */
496 #define M_VGA_C80x60 34 /* vga 8x8 font on color */
497 #define M_VGA_M80x60 35 /* vga 8x8 font on color */
498 #define M_VGA_CG640 36 /* vga 640x400 256 color */
499 #define M_VGA_MODEX 37 /* vga 320x240 256 color */
501 #define M_VGA_C90x25 40 /* vga 8x16 font on color */
502 #define M_VGA_M90x25 41 /* vga 8x16 font on mono */
503 #define M_VGA_C90x30 42 /* vga 8x16 font on color */
504 #define M_VGA_M90x30 43 /* vga 8x16 font on mono */
505 #define M_VGA_C90x43 44 /* vga 8x8 font on color */
506 #define M_VGA_M90x43 45 /* vga 8x8 font on mono */
507 #define M_VGA_C90x50 46 /* vga 8x8 font on color */
508 #define M_VGA_M90x50 47 /* vga 8x8 font on mono */
509 #define M_VGA_C90x60 48 /* vga 8x8 font on color */
510 #define M_VGA_M90x60 49 /* vga 8x8 font on mono */
512 #define M_ENH_B80x43 0x70 /* ega black & white 80x43 */
513 #define M_ENH_C80x43 0x71 /* ega color 80x43 */
515 #define M_PC98_80x25 98 /* PC98 text 80x25 */
516 #define M_PC98_80x30 99 /* PC98 text 80x30 */
517 #define M_PC98_EGC640x400 100 /* PC98 graphic 640x400 16 colors */
518 #define M_PC98_PEGC640x400 101 /* PC98 graphic 640x400 256 colors */
519 #define M_PC98_PEGC640x480 102 /* PC98 graphic 640x480 256 colors */
521 #define M_HGC_P0 0xe0 /* hercules graphics - page 0 @ B0000 */
522 #define M_HGC_P1 0xe1 /* hercules graphics - page 1 @ B8000 */
523 #define M_MCA_MODE 0xff /* monochrome adapter mode */
525 #define M_TEXT_80x25 200 /* generic text modes */
526 #define M_TEXT_80x30 201
527 #define M_TEXT_80x43 202
528 #define M_TEXT_80x50 203
529 #define M_TEXT_80x60 204
530 #define M_TEXT_132x25 205
531 #define M_TEXT_132x30 206
532 #define M_TEXT_132x43 207
533 #define M_TEXT_132x50 208
534 #define M_TEXT_132x60 209
536 #define M_VESA_BASE 0x100 /* VESA mode number base */
537 #define M_VESA_CG640x400 0x100 /* 640x400, 256 color */
538 #define M_VESA_CG640x480 0x101 /* 640x480, 256 color */
539 #define M_VESA_800x600 0x102 /* 800x600, 16 color */
540 #define M_VESA_CG800x600 0x103 /* 800x600, 256 color */
541 #define M_VESA_1024x768 0x104 /* 1024x768, 16 color */
542 #define M_VESA_CG1024x768 0x105 /* 1024x768, 256 color */
543 #define M_VESA_1280x1024 0x106 /* 1280x1024, 16 color */
544 #define M_VESA_CG1280x1024 0x107 /* 1280x1024, 256 color */
545 #define M_VESA_C80x60 0x108 /* 8x8 font */
546 #define M_VESA_C132x25 0x109 /* 8x16 font */
547 #define M_VESA_C132x43 0x10a /* 8x14 font */
548 #define M_VESA_C132x50 0x10b /* 8x8 font */
549 #define M_VESA_C132x60 0x10c /* 8x8 font */
550 #define M_VESA_32K_320 0x10d /* 320x200, 5:5:5 */
551 #define M_VESA_64K_320 0x10e /* 320x200, 5:6:5 */
552 #define M_VESA_FULL_320 0x10f /* 320x200, 8:8:8 */
553 #define M_VESA_32K_640 0x110 /* 640x480, 5:5:5 */
554 #define M_VESA_64K_640 0x111 /* 640x480, 5:6:5 */
555 #define M_VESA_FULL_640 0x112 /* 640x480, 8:8:8 */
556 #define M_VESA_32K_800 0x113 /* 800x600, 5:5:5 */
557 #define M_VESA_64K_800 0x114 /* 800x600, 5:6:5 */
558 #define M_VESA_FULL_800 0x115 /* 800x600, 8:8:8 */
559 #define M_VESA_32K_1024 0x116 /* 1024x768, 5:5:5 */
560 #define M_VESA_64K_1024 0x117 /* 1024x768, 5:6:5 */
561 #define M_VESA_FULL_1024 0x118 /* 1024x768, 8:8:8 */
562 #define M_VESA_32K_1280 0x119 /* 1280x1024, 5:5:5 */
563 #define M_VESA_64K_1280 0x11a /* 1280x1024, 5:6:5 */
564 #define M_VESA_FULL_1280 0x11b /* 1280x1024, 8:8:8 */
565 #define M_VESA_MODE_MAX 0x1ff
567 struct video_display_start {
571 typedef struct video_display_start video_display_start_t;
573 struct video_color_palette {
574 int index; /* first element (zero-based) */
575 int count; /* number of elements */
576 u_char *red; /* red */
577 u_char *green; /* green */
578 u_char *blue; /* blue */
579 u_char *transparent; /* may be NULL */
581 typedef struct video_color_palette video_color_palette_t;
584 #define FBIO_ADAPTER _IOR('F', 100, int)
585 #define FBIO_ADPTYPE _IOR('F', 101, int)
586 #define FBIO_ADPINFO _IOR('F', 102, struct video_adapter_info)
588 /* video mode control */
589 #define FBIO_MODEINFO _IOWR('F', 103, struct video_info)
590 #define FBIO_FINDMODE _IOWR('F', 104, struct video_info)
591 #define FBIO_GETMODE _IOR('F', 105, int)
592 #define FBIO_SETMODE _IOW('F', 106, int)
594 /* get/set frame buffer window origin */
595 #define FBIO_GETWINORG _IOR('F', 107, u_int)
596 #define FBIO_SETWINORG _IOW('F', 108, u_int)
598 /* get/set display start address */
599 #define FBIO_GETDISPSTART _IOR('F', 109, video_display_start_t)
600 #define FBIO_SETDISPSTART _IOW('F', 110, video_display_start_t)
602 /* get/set scan line width */
603 #define FBIO_GETLINEWIDTH _IOR('F', 111, u_int)
604 #define FBIO_SETLINEWIDTH _IOW('F', 112, u_int)
606 /* color palette control */
607 #define FBIO_GETPALETTE _IOW('F', 113, video_color_palette_t)
608 #define FBIO_SETPALETTE _IOW('F', 114, video_color_palette_t)
611 #define V_DISPLAY_ON 0
612 #define V_DISPLAY_BLANK 1
613 #define V_DISPLAY_STAND_BY 2
614 #define V_DISPLAY_SUSPEND 3
616 #define FBIO_BLANK _IOW('F', 115, int)
618 #endif /* !_SYS_FBIO_H_ */