9 /* Definitions of frame buffers */
12 #define FB_MAX 32 /* sufficient for now */
16 #define FBIOGET_VSCREENINFO 0x4600
17 #define FBIOPUT_VSCREENINFO 0x4601
18 #define FBIOGET_FSCREENINFO 0x4602
19 #define FBIOGETCMAP 0x4604
20 #define FBIOPUTCMAP 0x4605
21 #define FBIOPAN_DISPLAY 0x4606
23 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
25 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor)
27 /* 0x4607-0x460B are defined below */
28 /* #define FBIOGET_MONITORSPEC 0x460C */
29 /* #define FBIOPUT_MONITORSPEC 0x460D */
30 /* #define FBIOSWITCH_MONIBIT 0x460E */
31 #define FBIOGET_CON2FBMAP 0x460F
32 #define FBIOPUT_CON2FBMAP 0x4610
33 #define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */
34 #define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank)
35 #define FBIO_ALLOC 0x4613
36 #define FBIO_FREE 0x4614
37 #define FBIOGET_GLYPH 0x4615
38 #define FBIOGET_HWCINFO 0x4616
39 #define FBIOPUT_MODEINFO 0x4617
40 #define FBIOGET_DISPINFO 0x4618
43 #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
44 #define FB_TYPE_PLANES 1 /* Non interleaved planes */
45 #define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
46 #define FB_TYPE_TEXT 3 /* Text/attributes */
47 #define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */
49 #define FB_AUX_TEXT_MDA 0 /* Monochrome text */
50 #define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */
51 #define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */
52 #define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */
53 #define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */
54 #define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */
55 #define FB_AUX_TEXT_SVGA_MASK 7 /* lower three bits says step */
56 #define FB_AUX_TEXT_SVGA_STEP2 8 /* SVGA text mode: text, attr */
57 #define FB_AUX_TEXT_SVGA_STEP4 9 /* SVGA text mode: text, attr, 2 reserved bytes */
58 #define FB_AUX_TEXT_SVGA_STEP8 10 /* SVGA text mode: text, attr, 6 reserved bytes */
59 #define FB_AUX_TEXT_SVGA_STEP16 11 /* SVGA text mode: text, attr, 14 reserved bytes */
60 #define FB_AUX_TEXT_SVGA_LAST 15 /* reserved up to 15 */
62 #define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
63 #define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
64 #define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */
66 #define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
67 #define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
68 #define FB_VISUAL_TRUECOLOR 2 /* True color */
69 #define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
70 #define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
71 #define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
73 #define FB_ACCEL_NONE 0 /* no hardware accelerator */
74 #define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */
75 #define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */
76 #define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */
77 #define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */
78 #define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */
79 #define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */
80 #define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */
81 #define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */
82 #define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */
83 #define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */
84 #define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */
85 #define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */
86 #define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */
87 #define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */
88 #define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */
89 #define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */
90 #define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */
91 #define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */
92 #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
93 #define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */
94 #define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */
95 #define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */
96 #define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */
97 #define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */
98 #define FB_ACCEL_SUN_TCX 25 /* Sun tcx */
99 #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
100 #define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */
101 #define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */
102 #define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */
103 #define FB_ACCEL_CT_6555x 30 /* C&T 6555x */
104 #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
105 #define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */
106 #define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */
107 #define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */
108 #define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */
109 #define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */
110 #define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
111 #define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
112 #define FB_ACCEL_I810 39 /* Intel 810/815 */
113 #define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
114 #define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
115 #define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */
116 #define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */
117 #define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */
118 #define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */
119 #define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */
120 #define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */
121 #define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */
122 #define FB_ACCEL_OMAP1610 49 /* TI OMAP16xx */
123 #define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */
124 #define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */
125 #define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */
126 #define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */
127 #define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */
128 #define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */
129 #define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */
130 #define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */
131 #define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */
133 #define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */
134 #define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */
135 #define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */
136 #define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */
137 #define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */
138 #define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */
139 #define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */
140 #define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */
141 #define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */
142 #define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */
143 #define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */
144 #define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */
145 #define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */
146 #define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */
147 #define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */
149 struct fb_fix_screeninfo {
150 char id[16]; /* identification string eg "TT Builtin" */
151 unsigned long smem_start; /* Start of frame buffer mem */
152 /* (physical address) */
153 __u32 smem_len; /* Length of frame buffer mem */
154 __u32 type; /* see FB_TYPE_* */
155 __u32 type_aux; /* Interleave for interleaved Planes */
156 __u32 visual; /* see FB_VISUAL_* */
157 __u16 xpanstep; /* zero if no hardware panning */
158 __u16 ypanstep; /* zero if no hardware panning */
159 __u16 ywrapstep; /* zero if no hardware ywrap */
160 __u32 line_length; /* length of a line in bytes */
161 unsigned long mmio_start; /* Start of Memory Mapped I/O */
162 /* (physical address) */
163 __u32 mmio_len; /* Length of Memory Mapped I/O */
164 __u32 accel; /* Indicate to driver which */
165 /* specific chip/card we have */
166 __u16 reserved[3]; /* Reserved for future compatibility */
169 /* Interpretation of offset for color fields: All offsets are from the right,
170 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
171 * can use the offset as right argument to <<). A pixel afterwards is a bit
172 * stream and is written to video memory as that unmodified. This implies
173 * big-endian byte order if bits_per_pixel is greater than 8.
176 __u32 offset; /* beginning of bitfield */
177 __u32 length; /* length of bitfield */
178 __u32 msb_right; /* != 0 : Most significant bit is */
182 #define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
184 #define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
185 #define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
186 #define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
187 #define FB_ACTIVATE_MASK 15
189 #define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
190 #define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
191 #define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
192 #define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/
193 #define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */
195 #define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */
197 #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
198 #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
199 #define FB_SYNC_EXT 4 /* external sync */
200 #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
201 #define FB_SYNC_BROADCAST 16 /* broadcast video timings */
202 /* vtotal = 144d/288n/576i => PAL */
203 /* vtotal = 121d/242n/484i => NTSC */
204 #define FB_SYNC_ON_GREEN 32 /* sync on green */
206 #define FB_VMODE_NONINTERLACED 0 /* non interlaced */
207 #define FB_VMODE_INTERLACED 1 /* interlaced */
208 #define FB_VMODE_DOUBLE 2 /* double scan */
209 #define FB_VMODE_MASK 255
211 #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
212 #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
213 #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
216 * Display rotation support
218 #define FB_ROTATE_UR 0
219 #define FB_ROTATE_CW 1
220 #define FB_ROTATE_UD 2
221 #define FB_ROTATE_CCW 3
223 #define PICOS2KHZ(a) (1000000000UL/(a))
224 #define KHZ2PICOS(a) (1000000000UL/(a))
226 struct fb_var_screeninfo {
227 __u32 xres; /* visible resolution */
229 __u32 xres_virtual; /* virtual resolution */
231 __u32 xoffset; /* offset from virtual to visible */
232 __u32 yoffset; /* resolution */
234 __u32 bits_per_pixel; /* guess what */
235 __u32 grayscale; /* != 0 Graylevels instead of colors */
237 struct fb_bitfield red; /* bitfield in fb mem if true color, */
238 struct fb_bitfield green; /* else only length is significant */
239 struct fb_bitfield blue;
240 struct fb_bitfield transp; /* transparency */
242 __u32 nonstd; /* != 0 Non standard pixel format */
244 __u32 activate; /* see FB_ACTIVATE_* */
246 __u32 height; /* height of picture in mm */
247 __u32 width; /* width of picture in mm */
249 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */
251 /* Timing: All values in pixclocks, except pixclock (of course) */
252 __u32 pixclock; /* pixel clock in ps (pico seconds) */
253 __u32 left_margin; /* time from sync to picture */
254 __u32 right_margin; /* time from picture to sync */
255 __u32 upper_margin; /* time from sync to picture */
257 __u32 hsync_len; /* length of horizontal sync */
258 __u32 vsync_len; /* length of vertical sync */
259 __u32 sync; /* see FB_SYNC_* */
260 __u32 vmode; /* see FB_VMODE_* */
261 __u32 rotate; /* angle we rotate counter clockwise */
262 __u32 reserved[5]; /* Reserved for future compatibility */
266 __u32 start; /* First entry */
267 __u32 len; /* Number of entries */
268 __u16 *red; /* Red values */
271 __u16 *transp; /* transparency, can be NULL */
274 struct fb_con2fbmap {
279 /* VESA Blanking Levels */
280 #define VESA_NO_BLANKING 0
281 #define VESA_VSYNC_SUSPEND 1
282 #define VESA_HSYNC_SUSPEND 2
283 #define VESA_POWERDOWN 3
287 /* screen: unblanked, hsync: on, vsync: on */
288 FB_BLANK_UNBLANK = VESA_NO_BLANKING,
290 /* screen: blanked, hsync: on, vsync: on */
291 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1,
293 /* screen: blanked, hsync: on, vsync: off */
294 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
296 /* screen: blanked, hsync: off, vsync: on */
297 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
299 /* screen: blanked, hsync: off, vsync: off */
300 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1
303 #define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
304 #define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
305 #define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
306 #define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
307 #define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
308 #define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
309 #define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
310 #define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
311 #define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
314 __u32 flags; /* FB_VBLANK flags */
315 __u32 count; /* counter of retraces since boot */
316 __u32 vcount; /* current scanline position */
317 __u32 hcount; /* current scandot position */
318 __u32 reserved[4]; /* reserved for future compatibility */
321 /* Internal HW accel */
335 __u32 dx; /* screen-relative */
344 __u32 dx; /* Where to place image */
346 __u32 width; /* Size of image */
348 __u32 fg_color; /* Only used when a mono bitmap */
350 __u8 depth; /* Depth of the image */
351 const char *data; /* Pointer to image data */
352 struct fb_cmap cmap; /* color map info */
356 * hardware cursor control
359 #define FB_CUR_SETIMAGE 0x01
360 #define FB_CUR_SETPOS 0x02
361 #define FB_CUR_SETHOT 0x04
362 #define FB_CUR_SETCMAP 0x08
363 #define FB_CUR_SETSHAPE 0x10
364 #define FB_CUR_SETSIZE 0x20
365 #define FB_CUR_SETALL 0xFF
372 __u16 set; /* what to set */
373 __u16 enable; /* cursor on/off */
374 __u16 rop; /* bitop operation */
375 const char *mask; /* cursor mask bits */
376 struct fbcurpos hot; /* cursor hot spot */
377 struct fb_image image; /* Cursor image */
380 #ifdef CONFIG_FB_BACKLIGHT
381 /* Settings for the generic backlight code */
382 #define FB_BACKLIGHT_LEVELS 128
383 #define FB_BACKLIGHT_MAX 0xFF
388 #include <linux/fs.h>
389 #include <linux/init.h>
390 #include <linux/device.h>
391 #include <linux/workqueue.h>
392 #include <linux/notifier.h>
393 #include <linux/list.h>
394 #include <linux/backlight.h>
397 struct vm_area_struct;
402 /* Definitions below are used in the parsed monitor specs */
403 #define FB_DPMS_ACTIVE_OFF 1
404 #define FB_DPMS_SUSPEND 2
405 #define FB_DPMS_STANDBY 4
407 #define FB_DISP_DDI 1
408 #define FB_DISP_ANA_700_300 2
409 #define FB_DISP_ANA_714_286 4
410 #define FB_DISP_ANA_1000_400 8
411 #define FB_DISP_ANA_700_000 16
413 #define FB_DISP_MONO 32
414 #define FB_DISP_RGB 64
415 #define FB_DISP_MULTI 128
416 #define FB_DISP_UNKNOWN 256
418 #define FB_SIGNAL_NONE 0
419 #define FB_SIGNAL_BLANK_BLANK 1
420 #define FB_SIGNAL_SEPARATE 2
421 #define FB_SIGNAL_COMPOSITE 4
422 #define FB_SIGNAL_SYNC_ON_GREEN 8
423 #define FB_SIGNAL_SERRATION_ON 16
425 #define FB_MISC_PRIM_COLOR 1
426 #define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */
428 __u32 redx; /* in fraction of 1024 */
439 struct fb_chroma chroma;
440 struct fb_videomode *modedb; /* mode database */
441 __u8 manufacturer[4]; /* Manufacturer */
442 __u8 monitor[14]; /* Monitor String */
443 __u8 serial_no[14]; /* Serial Number */
444 __u8 ascii[14]; /* ? */
445 __u32 modedb_len; /* mode database length */
446 __u32 model; /* Monitor Model */
447 __u32 serial; /* Serial Number - Integer */
448 __u32 year; /* Year manufactured */
449 __u32 week; /* Week Manufactured */
450 __u32 hfmin; /* hfreq lower limit (Hz) */
451 __u32 hfmax; /* hfreq upper limit (Hz) */
452 __u32 dclkmin; /* pixelclock lower limit (Hz) */
453 __u32 dclkmax; /* pixelclock upper limit (Hz) */
454 __u16 input; /* display type - see FB_DISP_* */
455 __u16 dpms; /* DPMS support - see FB_DPMS_ */
456 __u16 signal; /* Signal Type - see FB_SIGNAL_* */
457 __u16 vfmin; /* vfreq lower limit (Hz) */
458 __u16 vfmax; /* vfreq upper limit (Hz) */
459 __u16 gamma; /* Gamma - in fractions of 100 */
460 __u16 gtf : 1; /* supports GTF */
461 __u16 misc; /* Misc flags - see FB_MISC_* */
462 __u8 version; /* EDID version... */
463 __u8 revision; /* ...and revision */
464 __u8 max_x; /* Maximum horizontal size (cm) */
465 __u8 max_y; /* Maximum vertical size (cm) */
468 struct fb_cmap_user {
469 __u32 start; /* First entry */
470 __u32 len; /* Number of entries */
471 __u16 __user *red; /* Red values */
474 __u16 __user *transp; /* transparency, can be NULL */
477 struct fb_image_user {
478 __u32 dx; /* Where to place image */
480 __u32 width; /* Size of image */
482 __u32 fg_color; /* Only used when a mono bitmap */
484 __u8 depth; /* Depth of the image */
485 const char __user *data; /* Pointer to image data */
486 struct fb_cmap_user cmap; /* color map info */
489 struct fb_cursor_user {
490 __u16 set; /* what to set */
491 __u16 enable; /* cursor on/off */
492 __u16 rop; /* bitop operation */
493 const char __user *mask; /* cursor mask bits */
494 struct fbcurpos hot; /* cursor hot spot */
495 struct fb_image_user image; /* Cursor image */
499 * Register/unregister for framebuffer events
502 /* The resolution of the passed in fb_info about to change */
503 #define FB_EVENT_MODE_CHANGE 0x01
504 /* The display on this fb_info is beeing suspended, no access to the
505 * framebuffer is allowed any more after that call returns
507 #define FB_EVENT_SUSPEND 0x02
508 /* The display on this fb_info was resumed, you can restore the display
511 #define FB_EVENT_RESUME 0x03
512 /* An entry from the modelist was removed */
513 #define FB_EVENT_MODE_DELETE 0x04
514 /* A driver registered itself */
515 #define FB_EVENT_FB_REGISTERED 0x05
516 /* A driver unregistered itself */
517 #define FB_EVENT_FB_UNREGISTERED 0x06
518 /* CONSOLE-SPECIFIC: get console to framebuffer mapping */
519 #define FB_EVENT_GET_CONSOLE_MAP 0x07
520 /* CONSOLE-SPECIFIC: set console to framebuffer mapping */
521 #define FB_EVENT_SET_CONSOLE_MAP 0x08
522 /* A hardware display blank change occured */
523 #define FB_EVENT_BLANK 0x09
524 /* Private modelist is to be replaced */
525 #define FB_EVENT_NEW_MODELIST 0x0A
526 /* The resolution of the passed in fb_info about to change and
527 all vc's should be changed */
528 #define FB_EVENT_MODE_CHANGE_ALL 0x0B
529 /* A software display blank change occured */
530 #define FB_EVENT_CONBLANK 0x0C
531 /* Get drawing requirements */
532 #define FB_EVENT_GET_REQ 0x0D
533 /* Unbind from the console if possible */
534 #define FB_EVENT_FB_UNBIND 0x0E
537 struct fb_info *info;
541 struct fb_blit_caps {
548 extern int fb_register_client(struct notifier_block *nb);
549 extern int fb_unregister_client(struct notifier_block *nb);
550 extern int fb_notifier_call_chain(unsigned long val, void *v);
552 * Pixmap structure definition
554 * The purpose of this structure is to translate data
555 * from the hardware independent format of fbdev to what
556 * format the hardware needs.
559 #define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */
560 #define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */
561 #define FB_PIXMAP_IO 4 /* memory is iomapped */
562 #define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */
565 u8 *addr; /* pointer to memory */
566 u32 size; /* size of buffer in bytes */
567 u32 offset; /* current offset to buffer */
568 u32 buf_align; /* byte alignment of each bitmap */
569 u32 scan_align; /* alignment per scanline */
570 u32 access_align; /* alignment per read/write (bits) */
571 u32 flags; /* see FB_PIXMAP_* */
572 u32 blit_x; /* supported bit block dimensions (1-32)*/
573 u32 blit_y; /* Format: blit_x = 1 << (width - 1) */
574 /* blit_y = 1 << (height - 1) */
575 /* if 0, will be set to 0xffffffff (all)*/
577 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
578 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
581 #ifdef CONFIG_FB_DEFERRED_IO
582 struct fb_deferred_io {
583 /* delay between mkwrite and deferred handler */
585 struct mutex lock; /* mutex that protects the page list */
586 struct list_head pagelist; /* list of touched pages */
588 void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
593 * Frame buffer operations
595 * LOCKING NOTE: those functions must _ALL_ be called with the console
596 * semaphore held, this is the only suitable locking mechanism we have
597 * in 2.6. Some may be called at interrupt time at this point though.
601 /* open/release and usage marking */
602 struct module *owner;
603 int (*fb_open)(struct fb_info *info, int user);
604 int (*fb_release)(struct fb_info *info, int user);
606 /* For framebuffers with strange non linear layouts or that do not
607 * work with normal memory mapped access
609 ssize_t (*fb_read)(struct fb_info *info, char __user *buf,
610 size_t count, loff_t *ppos);
611 ssize_t (*fb_write)(struct fb_info *info, const char __user *buf,
612 size_t count, loff_t *ppos);
614 /* checks var and eventually tweaks it to something supported,
615 * DO NOT MODIFY PAR */
616 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
618 /* set the video mode according to info->var */
619 int (*fb_set_par)(struct fb_info *info);
621 /* set color register */
622 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
623 unsigned blue, unsigned transp, struct fb_info *info);
625 /* set color registers in batch */
626 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
629 int (*fb_blank)(int blank, struct fb_info *info);
632 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
634 /* Draws a rectangle */
635 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
636 /* Copy data from area to another */
637 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
638 /* Draws a image to the display */
639 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
642 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
644 /* Rotates the display */
645 void (*fb_rotate)(struct fb_info *info, int angle);
647 /* wait for blit idle, optional */
648 int (*fb_sync)(struct fb_info *info);
650 /* perform fb specific ioctl (optional) */
651 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
654 /* Handle 32bit compat ioctl (optional) */
655 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
658 /* perform fb specific mmap */
659 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
661 /* save current hardware state */
662 void (*fb_save_state)(struct fb_info *info);
664 /* restore saved state */
665 void (*fb_restore_state)(struct fb_info *info);
667 /* get capability given var */
668 void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps,
669 struct fb_var_screeninfo *var);
672 #ifdef CONFIG_FB_TILEBLITTING
673 #define FB_TILE_CURSOR_NONE 0
674 #define FB_TILE_CURSOR_UNDERLINE 1
675 #define FB_TILE_CURSOR_LOWER_THIRD 2
676 #define FB_TILE_CURSOR_LOWER_HALF 3
677 #define FB_TILE_CURSOR_TWO_THIRDS 4
678 #define FB_TILE_CURSOR_BLOCK 5
681 __u32 width; /* width of each tile in pixels */
682 __u32 height; /* height of each tile in scanlines */
683 __u32 depth; /* color depth of each tile */
684 __u32 length; /* number of tiles in the map */
685 const __u8 *data; /* actual tile map: a bitmap array, packed
686 to the nearest byte */
690 __u32 sx; /* origin in the x-axis */
691 __u32 sy; /* origin in the y-axis */
692 __u32 width; /* number of tiles in the x-axis */
693 __u32 height; /* number of tiles in the y-axis */
694 __u32 index; /* what tile to use: index to tile map */
695 __u32 fg; /* foreground color */
696 __u32 bg; /* background color */
697 __u32 rop; /* raster operation */
701 __u32 sx; /* source origin in the x-axis */
702 __u32 sy; /* source origin in the y-axis */
703 __u32 dx; /* destination origin in the x-axis */
704 __u32 dy; /* destination origin in the y-axis */
705 __u32 width; /* number of tiles in the x-axis */
706 __u32 height; /* number of tiles in the y-axis */
710 __u32 sx; /* origin in the x-axis */
711 __u32 sy; /* origin in the y-axis */
712 __u32 width; /* number of tiles in the x-axis */
713 __u32 height; /* number of tiles in the y-axis */
714 __u32 fg; /* foreground color */
715 __u32 bg; /* background color */
716 __u32 length; /* number of tiles to draw */
717 __u32 *indices; /* array of indices to tile map */
720 struct fb_tilecursor {
721 __u32 sx; /* cursor position in the x-axis */
722 __u32 sy; /* cursor position in the y-axis */
723 __u32 mode; /* 0 = erase, 1 = draw */
724 __u32 shape; /* see FB_TILE_CURSOR_* */
725 __u32 fg; /* foreground color */
726 __u32 bg; /* background color */
730 /* set tile characteristics */
731 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
733 /* all dimensions from hereon are in terms of tiles */
735 /* move a rectangular region of tiles from one area to another*/
736 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
737 /* fill a rectangular region with a tile */
738 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
739 /* copy an array of tiles */
740 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
742 void (*fb_tilecursor)(struct fb_info *info,
743 struct fb_tilecursor *cursor);
744 /* get maximum length of the tile map */
745 int (*fb_get_tilemax)(struct fb_info *info);
747 #endif /* CONFIG_FB_TILEBLITTING */
749 /* FBINFO_* = fb_info.flags bit flags */
750 #define FBINFO_MODULE 0x0001 /* Low-level driver is a module */
751 #define FBINFO_HWACCEL_DISABLED 0x0002
752 /* When FBINFO_HWACCEL_DISABLED is set:
753 * Hardware acceleration is turned off. Software implementations
754 * of required functions (copyarea(), fillrect(), and imageblit())
755 * takes over; acceleration engine should be in a quiescent state */
758 #define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */
759 #define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */
761 /* hardware supported ops */
762 /* semantics: when a bit is set, it indicates that the operation is
763 * accelerated by hardware.
764 * required functions will still work even if the bit is not set.
765 * optional functions may not even exist if the flag bit is not set.
767 #define FBINFO_HWACCEL_NONE 0x0000
768 #define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */
769 #define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */
770 #define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */
771 #define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */
772 #define FBINFO_HWACCEL_XPAN 0x1000 /* optional */
773 #define FBINFO_HWACCEL_YPAN 0x2000 /* optional */
774 #define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */
776 #define FBINFO_MISC_USEREVENT 0x10000 /* event request
778 #define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */
780 /* A driver may set this flag to indicate that it does want a set_par to be
781 * called every time when fbcon_switch is executed. The advantage is that with
782 * this flag set you can really be sure that set_par is always called before
783 * any of the functions dependant on the correct hardware state or altering
784 * that state, even if you are using some broken X releases. The disadvantage
785 * is that it introduces unwanted delays to every console switch if set_par
786 * is slow. It is a good idea to try this flag in the drivers initialization
787 * code whenever there is a bug report related to switching between X and the
788 * framebuffer console.
790 #define FBINFO_MISC_ALWAYS_SETPAR 0x40000
795 struct fb_var_screeninfo var; /* Current var */
796 struct fb_fix_screeninfo fix; /* Current fix */
797 struct fb_monspecs monspecs; /* Current Monitor specs */
798 struct work_struct queue; /* Framebuffer event queue */
799 struct fb_pixmap pixmap; /* Image hardware mapper */
800 struct fb_pixmap sprite; /* Cursor hardware mapper */
801 struct fb_cmap cmap; /* Current cmap */
802 struct list_head modelist; /* mode list */
803 struct fb_videomode *mode; /* current mode */
805 #ifdef CONFIG_FB_BACKLIGHT
806 /* assigned backlight device */
807 /* set before framebuffer registration,
808 remove after unregister */
809 struct backlight_device *bl_dev;
811 /* Backlight level curve */
812 struct mutex bl_curve_mutex;
813 u8 bl_curve[FB_BACKLIGHT_LEVELS];
815 #ifdef CONFIG_FB_DEFERRED_IO
816 struct delayed_work deferred_work;
817 struct fb_deferred_io *fbdefio;
820 struct fb_ops *fbops;
821 struct device *device; /* This is the parent */
822 struct device *dev; /* This is this fb device */
823 int class_flag; /* private sysfs flags */
824 #ifdef CONFIG_FB_TILEBLITTING
825 struct fb_tile_ops *tileops; /* Tile Blitting */
827 char __iomem *screen_base; /* Virtual address */
828 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */
829 void *pseudo_palette; /* Fake palette of 16 colors */
830 #define FBINFO_STATE_RUNNING 0
831 #define FBINFO_STATE_SUSPENDED 1
832 u32 state; /* Hardware state i.e suspend */
833 void *fbcon_par; /* fbcon use-only private area */
834 /* From here on everything is device dependent */
839 #define FBINFO_DEFAULT FBINFO_MODULE
841 #define FBINFO_DEFAULT 0
845 #define FBINFO_FLAG_MODULE FBINFO_MODULE
846 #define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT
849 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
850 * when it wants to turn the acceleration engine on. This is
851 * really a separate operation, and should be modified via sysfs.
852 * But for now, we leave it broken with the following define
854 #define STUPID_ACCELF_TEXT_SHIT
857 #if defined(__sparc__)
859 /* We map all of our framebuffers such that big-endian accesses
860 * are what we want, so the following is sufficient.
864 #define fb_readb sbus_readb
865 #define fb_readw sbus_readw
866 #define fb_readl sbus_readl
867 #define fb_readq sbus_readq
868 #define fb_writeb sbus_writeb
869 #define fb_writew sbus_writew
870 #define fb_writel sbus_writel
871 #define fb_writeq sbus_writeq
872 #define fb_memset sbus_memset_io
874 #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__) || defined(__avr32__)
876 #define fb_readb __raw_readb
877 #define fb_readw __raw_readw
878 #define fb_readl __raw_readl
879 #define fb_readq __raw_readq
880 #define fb_writeb __raw_writeb
881 #define fb_writew __raw_writew
882 #define fb_writel __raw_writel
883 #define fb_writeq __raw_writeq
884 #define fb_memset memset_io
888 #define fb_readb(addr) (*(volatile u8 *) (addr))
889 #define fb_readw(addr) (*(volatile u16 *) (addr))
890 #define fb_readl(addr) (*(volatile u32 *) (addr))
891 #define fb_readq(addr) (*(volatile u64 *) (addr))
892 #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
893 #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
894 #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
895 #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
896 #define fb_memset memset
900 #if defined (__BIG_ENDIAN)
901 #define FB_LEFT_POS(bpp) (32 - bpp)
902 #define FB_SHIFT_HIGH(val, bits) ((val) >> (bits))
903 #define FB_SHIFT_LOW(val, bits) ((val) << (bits))
905 #define FB_LEFT_POS(bpp) (0)
906 #define FB_SHIFT_HIGH(val, bits) ((val) << (bits))
907 #define FB_SHIFT_LOW(val, bits) ((val) >> (bits))
911 * `Generic' versions of the frame buffer device operations
914 extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
915 extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
916 extern int fb_blank(struct fb_info *info, int blank);
917 extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
918 extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
919 extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
921 * Drawing operations where framebuffer is in system RAM
923 extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
924 extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area);
925 extern void sys_imageblit(struct fb_info *info, const struct fb_image *image);
926 extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
927 size_t count, loff_t *ppos);
928 extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
929 size_t count, loff_t *ppos);
931 /* drivers/video/fbmem.c */
932 extern int register_framebuffer(struct fb_info *fb_info);
933 extern int unregister_framebuffer(struct fb_info *fb_info);
934 extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
935 extern int fb_show_logo(struct fb_info *fb_info, int rotate);
936 extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
937 extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
938 u32 height, u32 shift_high, u32 shift_low, u32 mod);
939 extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
940 extern void fb_set_suspend(struct fb_info *info, int state);
941 extern int fb_get_color_depth(struct fb_var_screeninfo *var,
942 struct fb_fix_screeninfo *fix);
943 extern int fb_get_options(char *name, char **option);
944 extern int fb_new_modelist(struct fb_info *info);
946 extern struct fb_info *registered_fb[FB_MAX];
947 extern int num_registered_fb;
948 extern struct class *fb_class;
950 static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
951 u8 *src, u32 s_pitch, u32 height)
957 for (i = height; i--; ) {
958 /* s_pitch is a few bytes at the most, memcpy is suboptimal */
959 for (j = 0; j < s_pitch; j++)
965 /* drivers/video/fb_defio.c */
966 extern void fb_deferred_io_init(struct fb_info *info);
967 extern void fb_deferred_io_cleanup(struct fb_info *info);
968 extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry,
971 /* drivers/video/fbsysfs.c */
972 extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
973 extern void framebuffer_release(struct fb_info *info);
974 extern int fb_init_device(struct fb_info *fb_info);
975 extern void fb_cleanup_device(struct fb_info *head);
976 extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
978 /* drivers/video/fbmon.c */
979 #define FB_MAXTIMINGS 0
980 #define FB_VSYNCTIMINGS 1
981 #define FB_HSYNCTIMINGS 2
982 #define FB_DCLKTIMINGS 3
983 #define FB_IGNOREMON 0x100
985 #define FB_MODE_IS_UNKNOWN 0
986 #define FB_MODE_IS_DETAILED 1
987 #define FB_MODE_IS_STANDARD 2
988 #define FB_MODE_IS_VESA 4
989 #define FB_MODE_IS_CALCULATED 8
990 #define FB_MODE_IS_FIRST 16
991 #define FB_MODE_IS_FROM_VAR 32
993 extern int fbmon_dpms(const struct fb_info *fb_info);
994 extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
995 struct fb_info *info);
996 extern int fb_validate_mode(const struct fb_var_screeninfo *var,
997 struct fb_info *info);
998 extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
999 extern const unsigned char *fb_firmware_edid(struct device *device);
1000 extern void fb_edid_to_monspecs(unsigned char *edid,
1001 struct fb_monspecs *specs);
1002 extern void fb_destroy_modedb(struct fb_videomode *modedb);
1003 extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
1004 extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
1006 /* drivers/video/modedb.c */
1007 #define VESA_MODEDB_SIZE 34
1008 extern void fb_var_to_videomode(struct fb_videomode *mode,
1009 const struct fb_var_screeninfo *var);
1010 extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
1011 const struct fb_videomode *mode);
1012 extern int fb_mode_is_equal(const struct fb_videomode *mode1,
1013 const struct fb_videomode *mode2);
1014 extern int fb_add_videomode(const struct fb_videomode *mode,
1015 struct list_head *head);
1016 extern void fb_delete_videomode(const struct fb_videomode *mode,
1017 struct list_head *head);
1018 extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
1019 struct list_head *head);
1020 extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
1021 struct list_head *head);
1022 extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
1023 struct list_head *head);
1024 extern void fb_destroy_modelist(struct list_head *head);
1025 extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
1026 struct list_head *head);
1027 extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
1028 struct list_head *head);
1030 /* drivers/video/fbcmap.c */
1031 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
1032 extern void fb_dealloc_cmap(struct fb_cmap *cmap);
1033 extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
1034 extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
1035 extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
1036 extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
1037 extern const struct fb_cmap *fb_default_cmap(int len);
1038 extern void fb_invert_cmaps(void);
1040 struct fb_videomode {
1041 const char *name; /* optional */
1042 u32 refresh; /* optional */
1057 extern const struct fb_videomode vesa_modes[];
1059 struct fb_modelist {
1060 struct list_head list;
1061 struct fb_videomode mode;
1064 extern int fb_find_mode(struct fb_var_screeninfo *var,
1065 struct fb_info *info, const char *mode_option,
1066 const struct fb_videomode *db,
1067 unsigned int dbsize,
1068 const struct fb_videomode *default_mode,
1069 unsigned int default_bpp);
1071 #endif /* __KERNEL__ */
1073 #endif /* _LINUX_FB_H */