6 /* Definitions of frame buffers */
9 #define FB_MAX 32 /* sufficient for now */
13 #define FBIOGET_VSCREENINFO 0x4600
14 #define FBIOPUT_VSCREENINFO 0x4601
15 #define FBIOGET_FSCREENINFO 0x4602
16 #define FBIOGETCMAP 0x4604
17 #define FBIOPUTCMAP 0x4605
18 #define FBIOPAN_DISPLAY 0x4606
20 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
22 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor)
24 /* 0x4607-0x460B are defined below */
25 /* #define FBIOGET_MONITORSPEC 0x460C */
26 /* #define FBIOPUT_MONITORSPEC 0x460D */
27 /* #define FBIOSWITCH_MONIBIT 0x460E */
28 #define FBIOGET_CON2FBMAP 0x460F
29 #define FBIOPUT_CON2FBMAP 0x4610
30 #define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */
31 #define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank)
32 #define FBIO_ALLOC 0x4613
33 #define FBIO_FREE 0x4614
34 #define FBIOGET_GLYPH 0x4615
35 #define FBIOGET_HWCINFO 0x4616
36 #define FBIOPUT_MODEINFO 0x4617
37 #define FBIOGET_DISPINFO 0x4618
40 #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
41 #define FB_TYPE_PLANES 1 /* Non interleaved planes */
42 #define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
43 #define FB_TYPE_TEXT 3 /* Text/attributes */
44 #define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */
46 #define FB_AUX_TEXT_MDA 0 /* Monochrome text */
47 #define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */
48 #define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */
49 #define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */
50 #define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */
52 #define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
53 #define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
54 #define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */
56 #define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
57 #define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
58 #define FB_VISUAL_TRUECOLOR 2 /* True color */
59 #define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
60 #define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
61 #define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
63 #define FB_ACCEL_NONE 0 /* no hardware accelerator */
64 #define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */
65 #define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */
66 #define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */
67 #define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */
68 #define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */
69 #define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */
70 #define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */
71 #define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */
72 #define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */
73 #define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */
74 #define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */
75 #define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */
76 #define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */
77 #define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */
78 #define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */
79 #define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */
80 #define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */
81 #define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */
82 #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
83 #define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */
84 #define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */
85 #define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */
86 #define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */
87 #define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */
88 #define FB_ACCEL_SUN_TCX 25 /* Sun tcx */
89 #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
90 #define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */
91 #define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */
92 #define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */
93 #define FB_ACCEL_CT_6555x 30 /* C&T 6555x */
94 #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
95 #define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */
96 #define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */
97 #define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */
98 #define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */
99 #define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */
100 #define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
101 #define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
102 #define FB_ACCEL_I810 39 /* Intel 810/815 */
103 #define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
104 #define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
105 #define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */
106 #define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */
107 #define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */
108 #define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */
109 #define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */
110 #define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */
111 #define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */
112 #define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */
113 #define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */
114 #define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */
115 #define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */
116 #define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */
117 #define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */
118 #define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */
119 #define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */
120 #define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */
122 #define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */
123 #define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */
124 #define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */
125 #define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */
126 #define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */
127 #define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */
128 #define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */
129 #define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */
130 #define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */
131 #define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */
132 #define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */
133 #define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */
134 #define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */
135 #define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */
136 #define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */
138 struct fb_fix_screeninfo {
139 char id[16]; /* identification string eg "TT Builtin" */
140 unsigned long smem_start; /* Start of frame buffer mem */
141 /* (physical address) */
142 __u32 smem_len; /* Length of frame buffer mem */
143 __u32 type; /* see FB_TYPE_* */
144 __u32 type_aux; /* Interleave for interleaved Planes */
145 __u32 visual; /* see FB_VISUAL_* */
146 __u16 xpanstep; /* zero if no hardware panning */
147 __u16 ypanstep; /* zero if no hardware panning */
148 __u16 ywrapstep; /* zero if no hardware ywrap */
149 __u32 line_length; /* length of a line in bytes */
150 unsigned long mmio_start; /* Start of Memory Mapped I/O */
151 /* (physical address) */
152 __u32 mmio_len; /* Length of Memory Mapped I/O */
153 __u32 accel; /* Indicate to driver which */
154 /* specific chip/card we have */
155 __u16 reserved[3]; /* Reserved for future compatibility */
158 /* Interpretation of offset for color fields: All offsets are from the right,
159 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
160 * can use the offset as right argument to <<). A pixel afterwards is a bit
161 * stream and is written to video memory as that unmodified. This implies
162 * big-endian byte order if bits_per_pixel is greater than 8.
165 __u32 offset; /* beginning of bitfield */
166 __u32 length; /* length of bitfield */
167 __u32 msb_right; /* != 0 : Most significant bit is */
171 #define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
173 #define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
174 #define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
175 #define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
176 #define FB_ACTIVATE_MASK 15
178 #define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
179 #define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
180 #define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
181 #define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/
182 #define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */
184 #define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */
186 #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
187 #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
188 #define FB_SYNC_EXT 4 /* external sync */
189 #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
190 #define FB_SYNC_BROADCAST 16 /* broadcast video timings */
191 /* vtotal = 144d/288n/576i => PAL */
192 /* vtotal = 121d/242n/484i => NTSC */
193 #define FB_SYNC_ON_GREEN 32 /* sync on green */
195 #define FB_VMODE_NONINTERLACED 0 /* non interlaced */
196 #define FB_VMODE_INTERLACED 1 /* interlaced */
197 #define FB_VMODE_DOUBLE 2 /* double scan */
198 #define FB_VMODE_MASK 255
200 #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
201 #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
202 #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
205 * Display rotation support
207 #define FB_ROTATE_UR 0
208 #define FB_ROTATE_CW 1
209 #define FB_ROTATE_UD 2
210 #define FB_ROTATE_CCW 3
212 #define PICOS2KHZ(a) (1000000000UL/(a))
213 #define KHZ2PICOS(a) (1000000000UL/(a))
215 struct fb_var_screeninfo {
216 __u32 xres; /* visible resolution */
218 __u32 xres_virtual; /* virtual resolution */
220 __u32 xoffset; /* offset from virtual to visible */
221 __u32 yoffset; /* resolution */
223 __u32 bits_per_pixel; /* guess what */
224 __u32 grayscale; /* != 0 Graylevels instead of colors */
226 struct fb_bitfield red; /* bitfield in fb mem if true color, */
227 struct fb_bitfield green; /* else only length is significant */
228 struct fb_bitfield blue;
229 struct fb_bitfield transp; /* transparency */
231 __u32 nonstd; /* != 0 Non standard pixel format */
233 __u32 activate; /* see FB_ACTIVATE_* */
235 __u32 height; /* height of picture in mm */
236 __u32 width; /* width of picture in mm */
238 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */
240 /* Timing: All values in pixclocks, except pixclock (of course) */
241 __u32 pixclock; /* pixel clock in ps (pico seconds) */
242 __u32 left_margin; /* time from sync to picture */
243 __u32 right_margin; /* time from picture to sync */
244 __u32 upper_margin; /* time from sync to picture */
246 __u32 hsync_len; /* length of horizontal sync */
247 __u32 vsync_len; /* length of vertical sync */
248 __u32 sync; /* see FB_SYNC_* */
249 __u32 vmode; /* see FB_VMODE_* */
250 __u32 rotate; /* angle we rotate counter clockwise */
251 __u32 reserved[5]; /* Reserved for future compatibility */
255 __u32 start; /* First entry */
256 __u32 len; /* Number of entries */
257 __u16 *red; /* Red values */
260 __u16 *transp; /* transparency, can be NULL */
263 struct fb_con2fbmap {
268 /* VESA Blanking Levels */
269 #define VESA_NO_BLANKING 0
270 #define VESA_VSYNC_SUSPEND 1
271 #define VESA_HSYNC_SUSPEND 2
272 #define VESA_POWERDOWN 3
276 /* screen: unblanked, hsync: on, vsync: on */
277 FB_BLANK_UNBLANK = VESA_NO_BLANKING,
279 /* screen: blanked, hsync: on, vsync: on */
280 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1,
282 /* screen: blanked, hsync: on, vsync: off */
283 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
285 /* screen: blanked, hsync: off, vsync: on */
286 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
288 /* screen: blanked, hsync: off, vsync: off */
289 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1
292 #define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
293 #define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
294 #define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
295 #define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
296 #define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
297 #define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
298 #define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
299 #define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
300 #define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
303 __u32 flags; /* FB_VBLANK flags */
304 __u32 count; /* counter of retraces since boot */
305 __u32 vcount; /* current scanline position */
306 __u32 hcount; /* current scandot position */
307 __u32 reserved[4]; /* reserved for future compatibility */
310 /* Internal HW accel */
324 __u32 dx; /* screen-relative */
333 __u32 dx; /* Where to place image */
335 __u32 width; /* Size of image */
337 __u32 fg_color; /* Only used when a mono bitmap */
339 __u8 depth; /* Depth of the image */
340 const char *data; /* Pointer to image data */
341 struct fb_cmap cmap; /* color map info */
345 * hardware cursor control
348 #define FB_CUR_SETIMAGE 0x01
349 #define FB_CUR_SETPOS 0x02
350 #define FB_CUR_SETHOT 0x04
351 #define FB_CUR_SETCMAP 0x08
352 #define FB_CUR_SETSHAPE 0x10
353 #define FB_CUR_SETSIZE 0x20
354 #define FB_CUR_SETALL 0xFF
361 __u16 set; /* what to set */
362 __u16 enable; /* cursor on/off */
363 __u16 rop; /* bitop operation */
364 const char *mask; /* cursor mask bits */
365 struct fbcurpos hot; /* cursor hot spot */
366 struct fb_image image; /* Cursor image */
371 #include <linux/fs.h>
372 #include <linux/init.h>
373 #include <linux/tty.h>
374 #include <linux/device.h>
375 #include <linux/workqueue.h>
376 #include <linux/devfs_fs_kernel.h>
377 #include <linux/notifier.h>
378 #include <linux/list.h>
381 struct vm_area_struct;
386 /* Definitions below are used in the parsed monitor specs */
387 #define FB_DPMS_ACTIVE_OFF 1
388 #define FB_DPMS_SUSPEND 2
389 #define FB_DPMS_STANDBY 4
391 #define FB_DISP_DDI 1
392 #define FB_DISP_ANA_700_300 2
393 #define FB_DISP_ANA_714_286 4
394 #define FB_DISP_ANA_1000_400 8
395 #define FB_DISP_ANA_700_000 16
397 #define FB_DISP_MONO 32
398 #define FB_DISP_RGB 64
399 #define FB_DISP_MULTI 128
400 #define FB_DISP_UNKNOWN 256
402 #define FB_SIGNAL_NONE 0
403 #define FB_SIGNAL_BLANK_BLANK 1
404 #define FB_SIGNAL_SEPARATE 2
405 #define FB_SIGNAL_COMPOSITE 4
406 #define FB_SIGNAL_SYNC_ON_GREEN 8
407 #define FB_SIGNAL_SERRATION_ON 16
409 #define FB_MISC_PRIM_COLOR 1
410 #define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */
412 __u32 redx; /* in fraction of 1024 */
423 struct fb_chroma chroma;
424 struct fb_videomode *modedb; /* mode database */
425 __u8 manufacturer[4]; /* Manufacturer */
426 __u8 monitor[14]; /* Monitor String */
427 __u8 serial_no[14]; /* Serial Number */
428 __u8 ascii[14]; /* ? */
429 __u32 modedb_len; /* mode database length */
430 __u32 model; /* Monitor Model */
431 __u32 serial; /* Serial Number - Integer */
432 __u32 year; /* Year manufactured */
433 __u32 week; /* Week Manufactured */
434 __u32 hfmin; /* hfreq lower limit (Hz) */
435 __u32 hfmax; /* hfreq upper limit (Hz) */
436 __u32 dclkmin; /* pixelclock lower limit (Hz) */
437 __u32 dclkmax; /* pixelclock upper limit (Hz) */
438 __u16 input; /* display type - see FB_DISP_* */
439 __u16 dpms; /* DPMS support - see FB_DPMS_ */
440 __u16 signal; /* Signal Type - see FB_SIGNAL_* */
441 __u16 vfmin; /* vfreq lower limit (Hz) */
442 __u16 vfmax; /* vfreq upper limit (Hz) */
443 __u16 gamma; /* Gamma - in fractions of 100 */
444 __u16 gtf : 1; /* supports GTF */
445 __u16 misc; /* Misc flags - see FB_MISC_* */
446 __u8 version; /* EDID version... */
447 __u8 revision; /* ...and revision */
448 __u8 max_x; /* Maximum horizontal size (cm) */
449 __u8 max_y; /* Maximum vertical size (cm) */
452 struct fb_cmap_user {
453 __u32 start; /* First entry */
454 __u32 len; /* Number of entries */
455 __u16 __user *red; /* Red values */
458 __u16 __user *transp; /* transparency, can be NULL */
461 struct fb_image_user {
462 __u32 dx; /* Where to place image */
464 __u32 width; /* Size of image */
466 __u32 fg_color; /* Only used when a mono bitmap */
468 __u8 depth; /* Depth of the image */
469 const char __user *data; /* Pointer to image data */
470 struct fb_cmap_user cmap; /* color map info */
473 struct fb_cursor_user {
474 __u16 set; /* what to set */
475 __u16 enable; /* cursor on/off */
476 __u16 rop; /* bitop operation */
477 const char __user *mask; /* cursor mask bits */
478 struct fbcurpos hot; /* cursor hot spot */
479 struct fb_image_user image; /* Cursor image */
483 * Register/unregister for framebuffer events
486 /* The resolution of the passed in fb_info about to change */
487 #define FB_EVENT_MODE_CHANGE 0x01
488 /* The display on this fb_info is beeing suspended, no access to the
489 * framebuffer is allowed any more after that call returns
491 #define FB_EVENT_SUSPEND 0x02
492 /* The display on this fb_info was resumed, you can restore the display
495 #define FB_EVENT_RESUME 0x03
496 /* An entry from the modelist was removed */
497 #define FB_EVENT_MODE_DELETE 0x04
498 /* A driver registered itself */
499 #define FB_EVENT_FB_REGISTERED 0x05
500 /* CONSOLE-SPECIFIC: get console to framebuffer mapping */
501 #define FB_EVENT_GET_CONSOLE_MAP 0x06
502 /* CONSOLE-SPECIFIC: set console to framebuffer mapping */
503 #define FB_EVENT_SET_CONSOLE_MAP 0x07
504 /* A display blank is requested */
505 #define FB_EVENT_BLANK 0x08
506 /* Private modelist is to be replaced */
507 #define FB_EVENT_NEW_MODELIST 0x09
508 /* The resolution of the passed in fb_info about to change and
509 all vc's should be changed */
510 #define FB_EVENT_MODE_CHANGE_ALL 0x0A
511 /* CONSOLE-SPECIFIC: set console rotation */
512 #define FB_EVENT_SET_CON_ROTATE 0x0B
513 /* CONSOLE-SPECIFIC: get console rotation */
514 #define FB_EVENT_GET_CON_ROTATE 0x0C
515 /* CONSOLE-SPECIFIC: rotate all consoles */
516 #define FB_EVENT_SET_CON_ROTATE_ALL 0x0D
519 struct fb_info *info;
524 extern int fb_register_client(struct notifier_block *nb);
525 extern int fb_unregister_client(struct notifier_block *nb);
528 * Pixmap structure definition
530 * The purpose of this structure is to translate data
531 * from the hardware independent format of fbdev to what
532 * format the hardware needs.
535 #define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */
536 #define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */
537 #define FB_PIXMAP_IO 4 /* memory is iomapped */
538 #define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */
541 u8 *addr; /* pointer to memory */
542 u32 size; /* size of buffer in bytes */
543 u32 offset; /* current offset to buffer */
544 u32 buf_align; /* byte alignment of each bitmap */
545 u32 scan_align; /* alignment per scanline */
546 u32 access_align; /* alignment per read/write (bits) */
547 u32 flags; /* see FB_PIXMAP_* */
549 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
550 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
555 * Frame buffer operations
557 * LOCKING NOTE: those functions must _ALL_ be called with the console
558 * semaphore held, this is the only suitable locking mecanism we have
559 * in 2.6. Some may be called at interrupt time at this point though.
563 /* open/release and usage marking */
564 struct module *owner;
565 int (*fb_open)(struct fb_info *info, int user);
566 int (*fb_release)(struct fb_info *info, int user);
568 /* For framebuffers with strange non linear layouts or that do not
569 * work with normal memory mapped access
571 ssize_t (*fb_read)(struct file *file, char __user *buf, size_t count, loff_t *ppos);
572 ssize_t (*fb_write)(struct file *file, const char __user *buf, size_t count, loff_t *ppos);
574 /* checks var and eventually tweaks it to something supported,
575 * DO NOT MODIFY PAR */
576 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
578 /* set the video mode according to info->var */
579 int (*fb_set_par)(struct fb_info *info);
581 /* set color register */
582 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
583 unsigned blue, unsigned transp, struct fb_info *info);
585 /* set color registers in batch */
586 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
589 int (*fb_blank)(int blank, struct fb_info *info);
592 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
594 /* Draws a rectangle */
595 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
596 /* Copy data from area to another */
597 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
598 /* Draws a image to the display */
599 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
602 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
604 /* Rotates the display */
605 void (*fb_rotate)(struct fb_info *info, int angle);
607 /* wait for blit idle, optional */
608 int (*fb_sync)(struct fb_info *info);
610 /* perform fb specific ioctl (optional) */
611 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
614 /* Handle 32bit compat ioctl (optional) */
615 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
618 /* perform fb specific mmap */
619 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
621 /* save current hardware state */
622 void (*fb_save_state)(struct fb_info *info);
624 /* restore saved state */
625 void (*fb_restore_state)(struct fb_info *info);
628 #ifdef CONFIG_FB_TILEBLITTING
630 #define FB_TILE_CURSOR_NONE 0
631 #define FB_TILE_CURSOR_UNDERLINE 1
632 #define FB_TILE_CURSOR_LOWER_THIRD 2
633 #define FB_TILE_CURSOR_LOWER_HALF 3
634 #define FB_TILE_CURSOR_TWO_THIRDS 4
635 #define FB_TILE_CURSOR_BLOCK 5
638 __u32 width; /* width of each tile in pixels */
639 __u32 height; /* height of each tile in scanlines */
640 __u32 depth; /* color depth of each tile */
641 __u32 length; /* number of tiles in the map */
642 const __u8 *data; /* actual tile map: a bitmap array, packed
643 to the nearest byte */
647 __u32 sx; /* origin in the x-axis */
648 __u32 sy; /* origin in the y-axis */
649 __u32 width; /* number of tiles in the x-axis */
650 __u32 height; /* number of tiles in the y-axis */
651 __u32 index; /* what tile to use: index to tile map */
652 __u32 fg; /* foreground color */
653 __u32 bg; /* background color */
654 __u32 rop; /* raster operation */
658 __u32 sx; /* source origin in the x-axis */
659 __u32 sy; /* source origin in the y-axis */
660 __u32 dx; /* destination origin in the x-axis */
661 __u32 dy; /* destination origin in the y-axis */
662 __u32 width; /* number of tiles in the x-axis */
663 __u32 height; /* number of tiles in the y-axis */
667 __u32 sx; /* origin in the x-axis */
668 __u32 sy; /* origin in the y-axis */
669 __u32 width; /* number of tiles in the x-axis */
670 __u32 height; /* number of tiles in the y-axis */
671 __u32 fg; /* foreground color */
672 __u32 bg; /* background color */
673 __u32 length; /* number of tiles to draw */
674 __u32 *indices; /* array of indices to tile map */
677 struct fb_tilecursor {
678 __u32 sx; /* cursor position in the x-axis */
679 __u32 sy; /* cursor position in the y-axis */
680 __u32 mode; /* 0 = erase, 1 = draw */
681 __u32 shape; /* see FB_TILE_CURSOR_* */
682 __u32 fg; /* foreground color */
683 __u32 bg; /* background color */
687 /* set tile characteristics */
688 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
690 /* all dimensions from hereon are in terms of tiles */
692 /* move a rectangular region of tiles from one area to another*/
693 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
694 /* fill a rectangular region with a tile */
695 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
696 /* copy an array of tiles */
697 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
699 void (*fb_tilecursor)(struct fb_info *info,
700 struct fb_tilecursor *cursor);
702 #endif /* CONFIG_FB_TILEBLITTING */
704 /* FBINFO_* = fb_info.flags bit flags */
705 #define FBINFO_MODULE 0x0001 /* Low-level driver is a module */
706 #define FBINFO_HWACCEL_DISABLED 0x0002
707 /* When FBINFO_HWACCEL_DISABLED is set:
708 * Hardware acceleration is turned off. Software implementations
709 * of required functions (copyarea(), fillrect(), and imageblit())
710 * takes over; acceleration engine should be in a quiescent state */
713 #define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */
714 #define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */
716 /* hardware supported ops */
717 /* semantics: when a bit is set, it indicates that the operation is
718 * accelerated by hardware.
719 * required functions will still work even if the bit is not set.
720 * optional functions may not even exist if the flag bit is not set.
722 #define FBINFO_HWACCEL_NONE 0x0000
723 #define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */
724 #define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */
725 #define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */
726 #define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */
727 #define FBINFO_HWACCEL_XPAN 0x1000 /* optional */
728 #define FBINFO_HWACCEL_YPAN 0x2000 /* optional */
729 #define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */
731 #define FBINFO_MISC_USEREVENT 0x10000 /* event request
733 #define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */
735 /* A driver may set this flag to indicate that it does want a set_par to be
736 * called every time when fbcon_switch is executed. The advantage is that with
737 * this flag set you can really be shure that set_par is always called before
738 * any of the functions dependant on the correct hardware state or altering
739 * that state, even if you are using some broken X releases. The disadvantage
740 * is that it introduces unwanted delays to every console switch if set_par
741 * is slow. It is a good idea to try this flag in the drivers initialization
742 * code whenever there is a bug report related to switching between X and the
743 * framebuffer console.
745 #define FBINFO_MISC_ALWAYS_SETPAR 0x40000
750 struct fb_var_screeninfo var; /* Current var */
751 struct fb_fix_screeninfo fix; /* Current fix */
752 struct fb_monspecs monspecs; /* Current Monitor specs */
753 struct work_struct queue; /* Framebuffer event queue */
754 struct fb_pixmap pixmap; /* Image hardware mapper */
755 struct fb_pixmap sprite; /* Cursor hardware mapper */
756 struct fb_cmap cmap; /* Current cmap */
757 struct list_head modelist; /* mode list */
758 struct fb_videomode *mode; /* current mode */
759 struct fb_ops *fbops;
760 struct device *device;
761 struct class_device *class_device; /* sysfs per device attrs */
762 #ifdef CONFIG_FB_TILEBLITTING
763 struct fb_tile_ops *tileops; /* Tile Blitting */
765 char __iomem *screen_base; /* Virtual address */
766 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */
767 void *pseudo_palette; /* Fake palette of 16 colors */
768 #define FBINFO_STATE_RUNNING 0
769 #define FBINFO_STATE_SUSPENDED 1
770 u32 state; /* Hardware state i.e suspend */
771 void *fbcon_par; /* fbcon use-only private area */
772 /* From here on everything is device dependent */
777 #define FBINFO_DEFAULT FBINFO_MODULE
779 #define FBINFO_DEFAULT 0
783 #define FBINFO_FLAG_MODULE FBINFO_MODULE
784 #define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT
787 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
788 * when it wants to turn the acceleration engine on. This is
789 * really a separate operation, and should be modified via sysfs.
790 * But for now, we leave it broken with the following define
792 #define STUPID_ACCELF_TEXT_SHIT
795 #if defined(__sparc__)
797 /* We map all of our framebuffers such that big-endian accesses
798 * are what we want, so the following is sufficient.
802 #define fb_readb sbus_readb
803 #define fb_readw sbus_readw
804 #define fb_readl sbus_readl
805 #define fb_readq sbus_readq
806 #define fb_writeb sbus_writeb
807 #define fb_writew sbus_writew
808 #define fb_writel sbus_writel
809 #define fb_writeq sbus_writeq
810 #define fb_memset sbus_memset_io
812 #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__)
814 #define fb_readb __raw_readb
815 #define fb_readw __raw_readw
816 #define fb_readl __raw_readl
817 #define fb_readq __raw_readq
818 #define fb_writeb __raw_writeb
819 #define fb_writew __raw_writew
820 #define fb_writel __raw_writel
821 #define fb_writeq __raw_writeq
822 #define fb_memset memset_io
826 #define fb_readb(addr) (*(volatile u8 *) (addr))
827 #define fb_readw(addr) (*(volatile u16 *) (addr))
828 #define fb_readl(addr) (*(volatile u32 *) (addr))
829 #define fb_readq(addr) (*(volatile u64 *) (addr))
830 #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
831 #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
832 #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
833 #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
834 #define fb_memset memset
838 #if defined (__BIG_ENDIAN)
839 #define FB_LEFT_POS(bpp) (32 - bpp)
840 #define FB_SHIFT_HIGH(val, bits) ((val) >> (bits))
841 #define FB_SHIFT_LOW(val, bits) ((val) << (bits))
842 #define FB_BIT_NR(b) (7 - (b))
844 #define FB_LEFT_POS(bpp) (0)
845 #define FB_SHIFT_HIGH(val, bits) ((val) << (bits))
846 #define FB_SHIFT_LOW(val, bits) ((val) >> (bits))
847 #define FB_BIT_NR(b) (b)
851 * `Generic' versions of the frame buffer device operations
854 extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
855 extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
856 extern int fb_blank(struct fb_info *info, int blank);
857 extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
858 extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
859 extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
861 /* drivers/video/fbmem.c */
862 extern int register_framebuffer(struct fb_info *fb_info);
863 extern int unregister_framebuffer(struct fb_info *fb_info);
864 extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
865 extern int fb_show_logo(struct fb_info *fb_info, int rotate);
866 extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
867 extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
868 u32 height, u32 shift_high, u32 shift_low, u32 mod);
869 extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
870 extern void fb_set_suspend(struct fb_info *info, int state);
871 extern int fb_get_color_depth(struct fb_var_screeninfo *var,
872 struct fb_fix_screeninfo *fix);
873 extern int fb_get_options(char *name, char **option);
874 extern int fb_new_modelist(struct fb_info *info);
875 extern int fb_con_duit(struct fb_info *info, int event, void *data);
877 extern struct fb_info *registered_fb[FB_MAX];
878 extern int num_registered_fb;
880 static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
881 u8 *src, u32 s_pitch, u32 height)
887 for (i = height; i--; ) {
888 /* s_pitch is a few bytes at the most, memcpy is suboptimal */
889 for (j = 0; j < s_pitch; j++)
895 /* drivers/video/fbsysfs.c */
896 extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
897 extern void framebuffer_release(struct fb_info *info);
898 extern int fb_init_class_device(struct fb_info *fb_info);
899 extern void fb_cleanup_class_device(struct fb_info *head);
901 /* drivers/video/fbmon.c */
902 #define FB_MAXTIMINGS 0
903 #define FB_VSYNCTIMINGS 1
904 #define FB_HSYNCTIMINGS 2
905 #define FB_DCLKTIMINGS 3
906 #define FB_IGNOREMON 0x100
908 #define FB_MODE_IS_UNKNOWN 0
909 #define FB_MODE_IS_DETAILED 1
910 #define FB_MODE_IS_STANDARD 2
911 #define FB_MODE_IS_VESA 4
912 #define FB_MODE_IS_CALCULATED 8
913 #define FB_MODE_IS_FIRST 16
914 #define FB_MODE_IS_FROM_VAR 32
916 extern int fbmon_valid_timings(u_int pixclock, u_int htotal, u_int vtotal,
917 const struct fb_info *fb_info);
918 extern int fbmon_dpms(const struct fb_info *fb_info);
919 extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
920 struct fb_info *info);
921 extern int fb_validate_mode(const struct fb_var_screeninfo *var,
922 struct fb_info *info);
923 extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
924 extern const unsigned char *fb_firmware_edid(struct device *device);
925 extern void fb_edid_to_monspecs(unsigned char *edid,
926 struct fb_monspecs *specs);
927 extern void fb_destroy_modedb(struct fb_videomode *modedb);
928 extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
930 /* drivers/video/modedb.c */
931 #define VESA_MODEDB_SIZE 34
932 extern void fb_var_to_videomode(struct fb_videomode *mode,
933 struct fb_var_screeninfo *var);
934 extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
935 struct fb_videomode *mode);
936 extern int fb_mode_is_equal(struct fb_videomode *mode1,
937 struct fb_videomode *mode2);
938 extern int fb_add_videomode(struct fb_videomode *mode, struct list_head *head);
939 extern void fb_delete_videomode(struct fb_videomode *mode,
940 struct list_head *head);
941 extern struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
942 struct list_head *head);
943 extern struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
944 struct list_head *head);
945 extern struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode,
946 struct list_head *head);
947 extern void fb_destroy_modelist(struct list_head *head);
948 extern void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
949 struct list_head *head);
950 extern struct fb_videomode *fb_find_best_display(struct fb_monspecs *specs,
951 struct list_head *head);
953 /* drivers/video/fbcmap.c */
954 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
955 extern void fb_dealloc_cmap(struct fb_cmap *cmap);
956 extern int fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to);
957 extern int fb_cmap_to_user(struct fb_cmap *from, struct fb_cmap_user *to);
958 extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
959 extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
960 extern struct fb_cmap *fb_default_cmap(int len);
961 extern void fb_invert_cmaps(void);
963 struct fb_videomode {
964 const char *name; /* optional */
965 u32 refresh; /* optional */
980 extern const struct fb_videomode vesa_modes[];
983 struct list_head list;
984 struct fb_videomode mode;
987 extern int fb_find_mode(struct fb_var_screeninfo *var,
988 struct fb_info *info, const char *mode_option,
989 const struct fb_videomode *db,
991 const struct fb_videomode *default_mode,
992 unsigned int default_bpp);
994 #endif /* __KERNEL__ */
996 #endif /* _LINUX_FB_H */