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[PATCH] i386: Warn upon absolute relocations being present
[usb.git] / include / linux / fb.h
blobfa23e0671bb3be7a2423d486c8b028b3cdccdee3
1 #ifndef _LINUX_FB_H
2 #define _LINUX_FB_H
3
4 #include <asm/types.h>
5 #include <linux/i2c.h>
6
7 /* Definitions of frame buffers */
8
9 #define FB_MAJOR 29
10 #define FB_MAX 32 /* sufficient for now */
11
12 /* ioctls
13 0x46 is 'F' */
14 #define FBIOGET_VSCREENINFO 0x4600
15 #define FBIOPUT_VSCREENINFO 0x4601
16 #define FBIOGET_FSCREENINFO 0x4602
17 #define FBIOGETCMAP 0x4604
18 #define FBIOPUTCMAP 0x4605
19 #define FBIOPAN_DISPLAY 0x4606
20 #ifdef __KERNEL__
21 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
22 #else
23 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor)
24 #endif
25 /* 0x4607-0x460B are defined below */
26 /* #define FBIOGET_MONITORSPEC 0x460C */
27 /* #define FBIOPUT_MONITORSPEC 0x460D */
28 /* #define FBIOSWITCH_MONIBIT 0x460E */
29 #define FBIOGET_CON2FBMAP 0x460F
30 #define FBIOPUT_CON2FBMAP 0x4610
31 #define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */
32 #define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank)
33 #define FBIO_ALLOC 0x4613
34 #define FBIO_FREE 0x4614
35 #define FBIOGET_GLYPH 0x4615
36 #define FBIOGET_HWCINFO 0x4616
37 #define FBIOPUT_MODEINFO 0x4617
38 #define FBIOGET_DISPINFO 0x4618
39
40
41 #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
42 #define FB_TYPE_PLANES 1 /* Non interleaved planes */
43 #define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
44 #define FB_TYPE_TEXT 3 /* Text/attributes */
45 #define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */
46
47 #define FB_AUX_TEXT_MDA 0 /* Monochrome text */
48 #define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */
49 #define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */
50 #define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */
51 #define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */
52
53 #define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
54 #define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
55 #define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */
56
57 #define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
58 #define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
59 #define FB_VISUAL_TRUECOLOR 2 /* True color */
60 #define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
61 #define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
62 #define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
63
64 #define FB_ACCEL_NONE 0 /* no hardware accelerator */
65 #define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */
66 #define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */
67 #define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */
68 #define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */
69 #define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */
70 #define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */
71 #define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */
72 #define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */
73 #define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */
74 #define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */
75 #define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */
76 #define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */
77 #define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */
78 #define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */
79 #define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */
80 #define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */
81 #define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */
82 #define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */
83 #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
84 #define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */
85 #define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */
86 #define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */
87 #define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */
88 #define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */
89 #define FB_ACCEL_SUN_TCX 25 /* Sun tcx */
90 #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
91 #define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */
92 #define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */
93 #define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */
94 #define FB_ACCEL_CT_6555x 30 /* C&T 6555x */
95 #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
96 #define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */
97 #define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */
98 #define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */
99 #define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */
100 #define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */
101 #define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
102 #define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
103 #define FB_ACCEL_I810 39 /* Intel 810/815 */
104 #define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
105 #define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
106 #define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */
107 #define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */
108 #define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */
109 #define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */
110 #define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */
111 #define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */
112 #define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */
113 #define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */
114 #define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */
115 #define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */
116 #define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */
117 #define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */
118 #define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */
119 #define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */
120 #define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */
121 #define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */
122
123 #define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */
124 #define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */
125 #define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */
126 #define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */
127 #define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */
128 #define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */
129 #define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */
130 #define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */
131 #define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */
132 #define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */
133 #define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */
134 #define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */
135 #define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */
136 #define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */
137 #define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */
138
139 struct fb_fix_screeninfo {
140 char id[16]; /* identification string eg "TT Builtin" */
141 unsigned long smem_start; /* Start of frame buffer mem */
142 /* (physical address) */
143 __u32 smem_len; /* Length of frame buffer mem */
144 __u32 type; /* see FB_TYPE_* */
145 __u32 type_aux; /* Interleave for interleaved Planes */
146 __u32 visual; /* see FB_VISUAL_* */
147 __u16 xpanstep; /* zero if no hardware panning */
148 __u16 ypanstep; /* zero if no hardware panning */
149 __u16 ywrapstep; /* zero if no hardware ywrap */
150 __u32 line_length; /* length of a line in bytes */
151 unsigned long mmio_start; /* Start of Memory Mapped I/O */
152 /* (physical address) */
153 __u32 mmio_len; /* Length of Memory Mapped I/O */
154 __u32 accel; /* Indicate to driver which */
155 /* specific chip/card we have */
156 __u16 reserved[3]; /* Reserved for future compatibility */
157 };
158
159 /* Interpretation of offset for color fields: All offsets are from the right,
160 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
161 * can use the offset as right argument to <<). A pixel afterwards is a bit
162 * stream and is written to video memory as that unmodified. This implies
163 * big-endian byte order if bits_per_pixel is greater than 8.
164 */
165 struct fb_bitfield {
166 __u32 offset; /* beginning of bitfield */
167 __u32 length; /* length of bitfield */
168 __u32 msb_right; /* != 0 : Most significant bit is */
169 /* right */
170 };
171
172 #define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
173
174 #define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
175 #define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
176 #define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
177 #define FB_ACTIVATE_MASK 15
178 /* values */
179 #define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
180 #define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
181 #define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
182 #define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/
183 #define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */
184
185 #define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */
186
187 #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
188 #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
189 #define FB_SYNC_EXT 4 /* external sync */
190 #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
191 #define FB_SYNC_BROADCAST 16 /* broadcast video timings */
192 /* vtotal = 144d/288n/576i => PAL */
193 /* vtotal = 121d/242n/484i => NTSC */
194 #define FB_SYNC_ON_GREEN 32 /* sync on green */
195
196 #define FB_VMODE_NONINTERLACED 0 /* non interlaced */
197 #define FB_VMODE_INTERLACED 1 /* interlaced */
198 #define FB_VMODE_DOUBLE 2 /* double scan */
199 #define FB_VMODE_MASK 255
200
201 #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
202 #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
203 #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
204
205 /*
206 * Display rotation support
207 */
208 #define FB_ROTATE_UR 0
209 #define FB_ROTATE_CW 1
210 #define FB_ROTATE_UD 2
211 #define FB_ROTATE_CCW 3
212
213 #define PICOS2KHZ(a) (1000000000UL/(a))
214 #define KHZ2PICOS(a) (1000000000UL/(a))
215
216 struct fb_var_screeninfo {
217 __u32 xres; /* visible resolution */
218 __u32 yres;
219 __u32 xres_virtual; /* virtual resolution */
220 __u32 yres_virtual;
221 __u32 xoffset; /* offset from virtual to visible */
222 __u32 yoffset; /* resolution */
223
224 __u32 bits_per_pixel; /* guess what */
225 __u32 grayscale; /* != 0 Graylevels instead of colors */
226
227 struct fb_bitfield red; /* bitfield in fb mem if true color, */
228 struct fb_bitfield green; /* else only length is significant */
229 struct fb_bitfield blue;
230 struct fb_bitfield transp; /* transparency */
231
232 __u32 nonstd; /* != 0 Non standard pixel format */
233
234 __u32 activate; /* see FB_ACTIVATE_* */
235
236 __u32 height; /* height of picture in mm */
237 __u32 width; /* width of picture in mm */
238
239 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */
240
241 /* Timing: All values in pixclocks, except pixclock (of course) */
242 __u32 pixclock; /* pixel clock in ps (pico seconds) */
243 __u32 left_margin; /* time from sync to picture */
244 __u32 right_margin; /* time from picture to sync */
245 __u32 upper_margin; /* time from sync to picture */
246 __u32 lower_margin;
247 __u32 hsync_len; /* length of horizontal sync */
248 __u32 vsync_len; /* length of vertical sync */
249 __u32 sync; /* see FB_SYNC_* */
250 __u32 vmode; /* see FB_VMODE_* */
251 __u32 rotate; /* angle we rotate counter clockwise */
252 __u32 reserved[5]; /* Reserved for future compatibility */
253 };
254
255 struct fb_cmap {
256 __u32 start; /* First entry */
257 __u32 len; /* Number of entries */
258 __u16 *red; /* Red values */
259 __u16 *green;
260 __u16 *blue;
261 __u16 *transp; /* transparency, can be NULL */
262 };
263
264 struct fb_con2fbmap {
265 __u32 console;
266 __u32 framebuffer;
267 };
268
269 /* VESA Blanking Levels */
270 #define VESA_NO_BLANKING 0
271 #define VESA_VSYNC_SUSPEND 1
272 #define VESA_HSYNC_SUSPEND 2
273 #define VESA_POWERDOWN 3
274
275
276 enum {
277 /* screen: unblanked, hsync: on, vsync: on */
278 FB_BLANK_UNBLANK = VESA_NO_BLANKING,
279
280 /* screen: blanked, hsync: on, vsync: on */
281 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1,
282
283 /* screen: blanked, hsync: on, vsync: off */
284 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
285
286 /* screen: blanked, hsync: off, vsync: on */
287 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
288
289 /* screen: blanked, hsync: off, vsync: off */
290 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1
291 };
292
293 #define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
294 #define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
295 #define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
296 #define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
297 #define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
298 #define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
299 #define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
300 #define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
301 #define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
302
303 struct fb_vblank {
304 __u32 flags; /* FB_VBLANK flags */
305 __u32 count; /* counter of retraces since boot */
306 __u32 vcount; /* current scanline position */
307 __u32 hcount; /* current scandot position */
308 __u32 reserved[4]; /* reserved for future compatibility */
309 };
310
311 /* Internal HW accel */
312 #define ROP_COPY 0
313 #define ROP_XOR 1
314
315 struct fb_copyarea {
316 __u32 dx;
317 __u32 dy;
318 __u32 width;
319 __u32 height;
320 __u32 sx;
321 __u32 sy;
322 };
323
324 struct fb_fillrect {
325 __u32 dx; /* screen-relative */
326 __u32 dy;
327 __u32 width;
328 __u32 height;
329 __u32 color;
330 __u32 rop;
331 };
332
333 struct fb_image {
334 __u32 dx; /* Where to place image */
335 __u32 dy;
336 __u32 width; /* Size of image */
337 __u32 height;
338 __u32 fg_color; /* Only used when a mono bitmap */
339 __u32 bg_color;
340 __u8 depth; /* Depth of the image */
341 const char *data; /* Pointer to image data */
342 struct fb_cmap cmap; /* color map info */
343 };
344
345 /*
346 * hardware cursor control
347 */
348
349 #define FB_CUR_SETIMAGE 0x01
350 #define FB_CUR_SETPOS 0x02
351 #define FB_CUR_SETHOT 0x04
352 #define FB_CUR_SETCMAP 0x08
353 #define FB_CUR_SETSHAPE 0x10
354 #define FB_CUR_SETSIZE 0x20
355 #define FB_CUR_SETALL 0xFF
356
357 struct fbcurpos {
358 __u16 x, y;
359 };
360
361 struct fb_cursor {
362 __u16 set; /* what to set */
363 __u16 enable; /* cursor on/off */
364 __u16 rop; /* bitop operation */
365 const char *mask; /* cursor mask bits */
366 struct fbcurpos hot; /* cursor hot spot */
367 struct fb_image image; /* Cursor image */
368 };
369
370 #ifdef CONFIG_FB_BACKLIGHT
371 /* Settings for the generic backlight code */
372 #define FB_BACKLIGHT_LEVELS 128
373 #define FB_BACKLIGHT_MAX 0xFF
374 #endif
375
376 #ifdef __KERNEL__
377
378 #include <linux/fs.h>
379 #include <linux/init.h>
380 #include <linux/device.h>
381 #include <linux/workqueue.h>
382 #include <linux/notifier.h>
383 #include <linux/list.h>
384 #include <linux/backlight.h>
385 #include <asm/io.h>
386
387 struct vm_area_struct;
388 struct fb_info;
389 struct device;
390 struct file;
391
392 /* Definitions below are used in the parsed monitor specs */
393 #define FB_DPMS_ACTIVE_OFF 1
394 #define FB_DPMS_SUSPEND 2
395 #define FB_DPMS_STANDBY 4
396
397 #define FB_DISP_DDI 1
398 #define FB_DISP_ANA_700_300 2
399 #define FB_DISP_ANA_714_286 4
400 #define FB_DISP_ANA_1000_400 8
401 #define FB_DISP_ANA_700_000 16
402
403 #define FB_DISP_MONO 32
404 #define FB_DISP_RGB 64
405 #define FB_DISP_MULTI 128
406 #define FB_DISP_UNKNOWN 256
407
408 #define FB_SIGNAL_NONE 0
409 #define FB_SIGNAL_BLANK_BLANK 1
410 #define FB_SIGNAL_SEPARATE 2
411 #define FB_SIGNAL_COMPOSITE 4
412 #define FB_SIGNAL_SYNC_ON_GREEN 8
413 #define FB_SIGNAL_SERRATION_ON 16
414
415 #define FB_MISC_PRIM_COLOR 1
416 #define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */
417 struct fb_chroma {
418 __u32 redx; /* in fraction of 1024 */
419 __u32 greenx;
420 __u32 bluex;
421 __u32 whitex;
422 __u32 redy;
423 __u32 greeny;
424 __u32 bluey;
425 __u32 whitey;
426 };
427
428 struct fb_monspecs {
429 struct fb_chroma chroma;
430 struct fb_videomode *modedb; /* mode database */
431 __u8 manufacturer[4]; /* Manufacturer */
432 __u8 monitor[14]; /* Monitor String */
433 __u8 serial_no[14]; /* Serial Number */
434 __u8 ascii[14]; /* ? */
435 __u32 modedb_len; /* mode database length */
436 __u32 model; /* Monitor Model */
437 __u32 serial; /* Serial Number - Integer */
438 __u32 year; /* Year manufactured */
439 __u32 week; /* Week Manufactured */
440 __u32 hfmin; /* hfreq lower limit (Hz) */
441 __u32 hfmax; /* hfreq upper limit (Hz) */
442 __u32 dclkmin; /* pixelclock lower limit (Hz) */
443 __u32 dclkmax; /* pixelclock upper limit (Hz) */
444 __u16 input; /* display type - see FB_DISP_* */
445 __u16 dpms; /* DPMS support - see FB_DPMS_ */
446 __u16 signal; /* Signal Type - see FB_SIGNAL_* */
447 __u16 vfmin; /* vfreq lower limit (Hz) */
448 __u16 vfmax; /* vfreq upper limit (Hz) */
449 __u16 gamma; /* Gamma - in fractions of 100 */
450 __u16 gtf : 1; /* supports GTF */
451 __u16 misc; /* Misc flags - see FB_MISC_* */
452 __u8 version; /* EDID version... */
453 __u8 revision; /* ...and revision */
454 __u8 max_x; /* Maximum horizontal size (cm) */
455 __u8 max_y; /* Maximum vertical size (cm) */
456 };
457
458 struct fb_cmap_user {
459 __u32 start; /* First entry */
460 __u32 len; /* Number of entries */
461 __u16 __user *red; /* Red values */
462 __u16 __user *green;
463 __u16 __user *blue;
464 __u16 __user *transp; /* transparency, can be NULL */
465 };
466
467 struct fb_image_user {
468 __u32 dx; /* Where to place image */
469 __u32 dy;
470 __u32 width; /* Size of image */
471 __u32 height;
472 __u32 fg_color; /* Only used when a mono bitmap */
473 __u32 bg_color;
474 __u8 depth; /* Depth of the image */
475 const char __user *data; /* Pointer to image data */
476 struct fb_cmap_user cmap; /* color map info */
477 };
478
479 struct fb_cursor_user {
480 __u16 set; /* what to set */
481 __u16 enable; /* cursor on/off */
482 __u16 rop; /* bitop operation */
483 const char __user *mask; /* cursor mask bits */
484 struct fbcurpos hot; /* cursor hot spot */
485 struct fb_image_user image; /* Cursor image */
486 };
487
488 /*
489 * Register/unregister for framebuffer events
490 */
491
492 /* The resolution of the passed in fb_info about to change */
493 #define FB_EVENT_MODE_CHANGE 0x01
494 /* The display on this fb_info is beeing suspended, no access to the
495 * framebuffer is allowed any more after that call returns
496 */
497 #define FB_EVENT_SUSPEND 0x02
498 /* The display on this fb_info was resumed, you can restore the display
499 * if you own it
500 */
501 #define FB_EVENT_RESUME 0x03
502 /* An entry from the modelist was removed */
503 #define FB_EVENT_MODE_DELETE 0x04
504 /* A driver registered itself */
505 #define FB_EVENT_FB_REGISTERED 0x05
506 /* A driver unregistered itself */
507 #define FB_EVENT_FB_UNREGISTERED 0x06
508 /* CONSOLE-SPECIFIC: get console to framebuffer mapping */
509 #define FB_EVENT_GET_CONSOLE_MAP 0x07
510 /* CONSOLE-SPECIFIC: set console to framebuffer mapping */
511 #define FB_EVENT_SET_CONSOLE_MAP 0x08
512 /* A display blank is requested */
513 #define FB_EVENT_BLANK 0x09
514 /* Private modelist is to be replaced */
515 #define FB_EVENT_NEW_MODELIST 0x0A
516 /* The resolution of the passed in fb_info about to change and
517 all vc's should be changed */
518 #define FB_EVENT_MODE_CHANGE_ALL 0x0B
519
520 struct fb_event {
521 struct fb_info *info;
522 void *data;
523 };
524
525
526 extern int fb_register_client(struct notifier_block *nb);
527 extern int fb_unregister_client(struct notifier_block *nb);
528 extern int fb_notifier_call_chain(unsigned long val, void *v);
529 /*
530 * Pixmap structure definition
531 *
532 * The purpose of this structure is to translate data
533 * from the hardware independent format of fbdev to what
534 * format the hardware needs.
535 */
536
537 #define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */
538 #define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */
539 #define FB_PIXMAP_IO 4 /* memory is iomapped */
540 #define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */
541
542 struct fb_pixmap {
543 u8 *addr; /* pointer to memory */
544 u32 size; /* size of buffer in bytes */
545 u32 offset; /* current offset to buffer */
546 u32 buf_align; /* byte alignment of each bitmap */
547 u32 scan_align; /* alignment per scanline */
548 u32 access_align; /* alignment per read/write (bits) */
549 u32 flags; /* see FB_PIXMAP_* */
550 /* access methods */
551 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
552 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
553 };
554
555
556 /*
557 * Frame buffer operations
558 *
559 * LOCKING NOTE: those functions must _ALL_ be called with the console
560 * semaphore held, this is the only suitable locking mechanism we have
561 * in 2.6. Some may be called at interrupt time at this point though.
562 */
563
564 struct fb_ops {
565 /* open/release and usage marking */
566 struct module *owner;
567 int (*fb_open)(struct fb_info *info, int user);
568 int (*fb_release)(struct fb_info *info, int user);
569
570 /* For framebuffers with strange non linear layouts or that do not
571 * work with normal memory mapped access
572 */
573 ssize_t (*fb_read)(struct file *file, char __user *buf, size_t count, loff_t *ppos);
574 ssize_t (*fb_write)(struct file *file, const char __user *buf, size_t count, loff_t *ppos);
575
576 /* checks var and eventually tweaks it to something supported,
577 * DO NOT MODIFY PAR */
578 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
579
580 /* set the video mode according to info->var */
581 int (*fb_set_par)(struct fb_info *info);
582
583 /* set color register */
584 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
585 unsigned blue, unsigned transp, struct fb_info *info);
586
587 /* set color registers in batch */
588 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
589
590 /* blank display */
591 int (*fb_blank)(int blank, struct fb_info *info);
592
593 /* pan display */
594 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
595
596 /* Draws a rectangle */
597 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
598 /* Copy data from area to another */
599 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
600 /* Draws a image to the display */
601 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
602
603 /* Draws cursor */
604 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
605
606 /* Rotates the display */
607 void (*fb_rotate)(struct fb_info *info, int angle);
608
609 /* wait for blit idle, optional */
610 int (*fb_sync)(struct fb_info *info);
611
612 /* perform fb specific ioctl (optional) */
613 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
614 unsigned long arg);
615
616 /* Handle 32bit compat ioctl (optional) */
617 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
618 unsigned long arg);
619
620 /* perform fb specific mmap */
621 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
622
623 /* save current hardware state */
624 void (*fb_save_state)(struct fb_info *info);
625
626 /* restore saved state */
627 void (*fb_restore_state)(struct fb_info *info);
628 };
629
630 #ifdef CONFIG_FB_TILEBLITTING
631
632 #define FB_TILE_CURSOR_NONE 0
633 #define FB_TILE_CURSOR_UNDERLINE 1
634 #define FB_TILE_CURSOR_LOWER_THIRD 2
635 #define FB_TILE_CURSOR_LOWER_HALF 3
636 #define FB_TILE_CURSOR_TWO_THIRDS 4
637 #define FB_TILE_CURSOR_BLOCK 5
638
639 struct fb_tilemap {
640 __u32 width; /* width of each tile in pixels */
641 __u32 height; /* height of each tile in scanlines */
642 __u32 depth; /* color depth of each tile */
643 __u32 length; /* number of tiles in the map */
644 const __u8 *data; /* actual tile map: a bitmap array, packed
645 to the nearest byte */
646 };
647
648 struct fb_tilerect {
649 __u32 sx; /* origin in the x-axis */
650 __u32 sy; /* origin in the y-axis */
651 __u32 width; /* number of tiles in the x-axis */
652 __u32 height; /* number of tiles in the y-axis */
653 __u32 index; /* what tile to use: index to tile map */
654 __u32 fg; /* foreground color */
655 __u32 bg; /* background color */
656 __u32 rop; /* raster operation */
657 };
658
659 struct fb_tilearea {
660 __u32 sx; /* source origin in the x-axis */
661 __u32 sy; /* source origin in the y-axis */
662 __u32 dx; /* destination origin in the x-axis */
663 __u32 dy; /* destination origin in the y-axis */
664 __u32 width; /* number of tiles in the x-axis */
665 __u32 height; /* number of tiles in the y-axis */
666 };
667
668 struct fb_tileblit {
669 __u32 sx; /* origin in the x-axis */
670 __u32 sy; /* origin in the y-axis */
671 __u32 width; /* number of tiles in the x-axis */
672 __u32 height; /* number of tiles in the y-axis */
673 __u32 fg; /* foreground color */
674 __u32 bg; /* background color */
675 __u32 length; /* number of tiles to draw */
676 __u32 *indices; /* array of indices to tile map */
677 };
678
679 struct fb_tilecursor {
680 __u32 sx; /* cursor position in the x-axis */
681 __u32 sy; /* cursor position in the y-axis */
682 __u32 mode; /* 0 = erase, 1 = draw */
683 __u32 shape; /* see FB_TILE_CURSOR_* */
684 __u32 fg; /* foreground color */
685 __u32 bg; /* background color */
686 };
687
688 struct fb_tile_ops {
689 /* set tile characteristics */
690 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
691
692 /* all dimensions from hereon are in terms of tiles */
693
694 /* move a rectangular region of tiles from one area to another*/
695 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
696 /* fill a rectangular region with a tile */
697 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
698 /* copy an array of tiles */
699 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
700 /* cursor */
701 void (*fb_tilecursor)(struct fb_info *info,
702 struct fb_tilecursor *cursor);
703 };
704 #endif /* CONFIG_FB_TILEBLITTING */
705
706 /* FBINFO_* = fb_info.flags bit flags */
707 #define FBINFO_MODULE 0x0001 /* Low-level driver is a module */
708 #define FBINFO_HWACCEL_DISABLED 0x0002
709 /* When FBINFO_HWACCEL_DISABLED is set:
710 * Hardware acceleration is turned off. Software implementations
711 * of required functions (copyarea(), fillrect(), and imageblit())
712 * takes over; acceleration engine should be in a quiescent state */
713
714 /* hints */
715 #define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */
716 #define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */
717
718 /* hardware supported ops */
719 /* semantics: when a bit is set, it indicates that the operation is
720 * accelerated by hardware.
721 * required functions will still work even if the bit is not set.
722 * optional functions may not even exist if the flag bit is not set.
723 */
724 #define FBINFO_HWACCEL_NONE 0x0000
725 #define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */
726 #define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */
727 #define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */
728 #define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */
729 #define FBINFO_HWACCEL_XPAN 0x1000 /* optional */
730 #define FBINFO_HWACCEL_YPAN 0x2000 /* optional */
731 #define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */
732
733 #define FBINFO_MISC_USEREVENT 0x10000 /* event request
734 from userspace */
735 #define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */
736
737 /* A driver may set this flag to indicate that it does want a set_par to be
738 * called every time when fbcon_switch is executed. The advantage is that with
739 * this flag set you can really be sure that set_par is always called before
740 * any of the functions dependant on the correct hardware state or altering
741 * that state, even if you are using some broken X releases. The disadvantage
742 * is that it introduces unwanted delays to every console switch if set_par
743 * is slow. It is a good idea to try this flag in the drivers initialization
744 * code whenever there is a bug report related to switching between X and the
745 * framebuffer console.
746 */
747 #define FBINFO_MISC_ALWAYS_SETPAR 0x40000
748
749 struct fb_info {
750 int node;
751 int flags;
752 struct fb_var_screeninfo var; /* Current var */
753 struct fb_fix_screeninfo fix; /* Current fix */
754 struct fb_monspecs monspecs; /* Current Monitor specs */
755 struct work_struct queue; /* Framebuffer event queue */
756 struct fb_pixmap pixmap; /* Image hardware mapper */
757 struct fb_pixmap sprite; /* Cursor hardware mapper */
758 struct fb_cmap cmap; /* Current cmap */
759 struct list_head modelist; /* mode list */
760 struct fb_videomode *mode; /* current mode */
761
762 #ifdef CONFIG_FB_BACKLIGHT
763 /* Lock ordering:
764 * bl_mutex (protects bl_dev and bl_curve)
765 * bl_dev->sem (backlight class)
766 */
767 struct mutex bl_mutex;
768
769 /* assigned backlight device */
770 struct backlight_device *bl_dev;
771
772 /* Backlight level curve */
773 u8 bl_curve[FB_BACKLIGHT_LEVELS];
774 #endif
775
776 struct fb_ops *fbops;
777 struct device *device; /* This is the parent */
778 struct device *dev; /* This is this fb device */
779 int class_flag; /* private sysfs flags */
780 #ifdef CONFIG_FB_TILEBLITTING
781 struct fb_tile_ops *tileops; /* Tile Blitting */
782 #endif
783 char __iomem *screen_base; /* Virtual address */
784 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */
785 void *pseudo_palette; /* Fake palette of 16 colors */
786 #define FBINFO_STATE_RUNNING 0
787 #define FBINFO_STATE_SUSPENDED 1
788 u32 state; /* Hardware state i.e suspend */
789 void *fbcon_par; /* fbcon use-only private area */
790 /* From here on everything is device dependent */
791 void *par;
792 };
793
794 #ifdef MODULE
795 #define FBINFO_DEFAULT FBINFO_MODULE
796 #else
797 #define FBINFO_DEFAULT 0
798 #endif
799
800 // This will go away
801 #define FBINFO_FLAG_MODULE FBINFO_MODULE
802 #define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT
803
804 /* This will go away
805 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
806 * when it wants to turn the acceleration engine on. This is
807 * really a separate operation, and should be modified via sysfs.
808 * But for now, we leave it broken with the following define
809 */
810 #define STUPID_ACCELF_TEXT_SHIT
811
812 // This will go away
813 #if defined(__sparc__)
814
815 /* We map all of our framebuffers such that big-endian accesses
816 * are what we want, so the following is sufficient.
817 */
818
819 // This will go away
820 #define fb_readb sbus_readb
821 #define fb_readw sbus_readw
822 #define fb_readl sbus_readl
823 #define fb_readq sbus_readq
824 #define fb_writeb sbus_writeb
825 #define fb_writew sbus_writew
826 #define fb_writel sbus_writel
827 #define fb_writeq sbus_writeq
828 #define fb_memset sbus_memset_io
829
830 #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__)
831
832 #define fb_readb __raw_readb
833 #define fb_readw __raw_readw
834 #define fb_readl __raw_readl
835 #define fb_readq __raw_readq
836 #define fb_writeb __raw_writeb
837 #define fb_writew __raw_writew
838 #define fb_writel __raw_writel
839 #define fb_writeq __raw_writeq
840 #define fb_memset memset_io
841
842 #else
843
844 #define fb_readb(addr) (*(volatile u8 *) (addr))
845 #define fb_readw(addr) (*(volatile u16 *) (addr))
846 #define fb_readl(addr) (*(volatile u32 *) (addr))
847 #define fb_readq(addr) (*(volatile u64 *) (addr))
848 #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
849 #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
850 #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
851 #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
852 #define fb_memset memset
853
854 #endif
855
856 #if defined (__BIG_ENDIAN)
857 #define FB_LEFT_POS(bpp) (32 - bpp)
858 #define FB_SHIFT_HIGH(val, bits) ((val) >> (bits))
859 #define FB_SHIFT_LOW(val, bits) ((val) << (bits))
860 #else
861 #define FB_LEFT_POS(bpp) (0)
862 #define FB_SHIFT_HIGH(val, bits) ((val) << (bits))
863 #define FB_SHIFT_LOW(val, bits) ((val) >> (bits))
864 #endif
865
866 /*
867 * `Generic' versions of the frame buffer device operations
868 */
869
870 extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
871 extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
872 extern int fb_blank(struct fb_info *info, int blank);
873 extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
874 extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
875 extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
876
877 /* drivers/video/fbmem.c */
878 extern int register_framebuffer(struct fb_info *fb_info);
879 extern int unregister_framebuffer(struct fb_info *fb_info);
880 extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
881 extern int fb_show_logo(struct fb_info *fb_info, int rotate);
882 extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
883 extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
884 u32 height, u32 shift_high, u32 shift_low, u32 mod);
885 extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
886 extern void fb_set_suspend(struct fb_info *info, int state);
887 extern int fb_get_color_depth(struct fb_var_screeninfo *var,
888 struct fb_fix_screeninfo *fix);
889 extern int fb_get_options(char *name, char **option);
890 extern int fb_new_modelist(struct fb_info *info);
891
892 extern struct fb_info *registered_fb[FB_MAX];
893 extern int num_registered_fb;
894
895 static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
896 u8 *src, u32 s_pitch, u32 height)
897 {
898 int i, j;
899
900 d_pitch -= s_pitch;
901
902 for (i = height; i--; ) {
903 /* s_pitch is a few bytes at the most, memcpy is suboptimal */
904 for (j = 0; j < s_pitch; j++)
905 *dst++ = *src++;
906 dst += d_pitch;
907 }
908 }
909
910 /* drivers/video/fbsysfs.c */
911 extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
912 extern void framebuffer_release(struct fb_info *info);
913 extern int fb_init_device(struct fb_info *fb_info);
914 extern void fb_cleanup_device(struct fb_info *head);
915 extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
916
917 /* drivers/video/fbmon.c */
918 #define FB_MAXTIMINGS 0
919 #define FB_VSYNCTIMINGS 1
920 #define FB_HSYNCTIMINGS 2
921 #define FB_DCLKTIMINGS 3
922 #define FB_IGNOREMON 0x100
923
924 #define FB_MODE_IS_UNKNOWN 0
925 #define FB_MODE_IS_DETAILED 1
926 #define FB_MODE_IS_STANDARD 2
927 #define FB_MODE_IS_VESA 4
928 #define FB_MODE_IS_CALCULATED 8
929 #define FB_MODE_IS_FIRST 16
930 #define FB_MODE_IS_FROM_VAR 32
931
932 extern int fbmon_valid_timings(u_int pixclock, u_int htotal, u_int vtotal,
933 const struct fb_info *fb_info);
934 extern int fbmon_dpms(const struct fb_info *fb_info);
935 extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
936 struct fb_info *info);
937 extern int fb_validate_mode(const struct fb_var_screeninfo *var,
938 struct fb_info *info);
939 extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
940 extern const unsigned char *fb_firmware_edid(struct device *device);
941 extern void fb_edid_to_monspecs(unsigned char *edid,
942 struct fb_monspecs *specs);
943 extern void fb_destroy_modedb(struct fb_videomode *modedb);
944 extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
945 extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
946
947 /* drivers/video/modedb.c */
948 #define VESA_MODEDB_SIZE 34
949 extern void fb_var_to_videomode(struct fb_videomode *mode,
950 struct fb_var_screeninfo *var);
951 extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
952 struct fb_videomode *mode);
953 extern int fb_mode_is_equal(struct fb_videomode *mode1,
954 struct fb_videomode *mode2);
955 extern int fb_add_videomode(struct fb_videomode *mode, struct list_head *head);
956 extern void fb_delete_videomode(struct fb_videomode *mode,
957 struct list_head *head);
958 extern struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
959 struct list_head *head);
960 extern struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
961 struct list_head *head);
962 extern struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode,
963 struct list_head *head);
964 extern void fb_destroy_modelist(struct list_head *head);
965 extern void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
966 struct list_head *head);
967 extern struct fb_videomode *fb_find_best_display(struct fb_monspecs *specs,
968 struct list_head *head);
969
970 /* drivers/video/fbcmap.c */
971 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
972 extern void fb_dealloc_cmap(struct fb_cmap *cmap);
973 extern int fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to);
974 extern int fb_cmap_to_user(struct fb_cmap *from, struct fb_cmap_user *to);
975 extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
976 extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
977 extern struct fb_cmap *fb_default_cmap(int len);
978 extern void fb_invert_cmaps(void);
979
980 struct fb_videomode {
981 const char *name; /* optional */
982 u32 refresh; /* optional */
983 u32 xres;
984 u32 yres;
985 u32 pixclock;
986 u32 left_margin;
987 u32 right_margin;
988 u32 upper_margin;
989 u32 lower_margin;
990 u32 hsync_len;
991 u32 vsync_len;
992 u32 sync;
993 u32 vmode;
994 u32 flag;
995 };
996
997 extern const struct fb_videomode vesa_modes[];
998
999 struct fb_modelist {
1000 struct list_head list;
1001 struct fb_videomode mode;
1002 };
1003
1004 extern int fb_find_mode(struct fb_var_screeninfo *var,
1005 struct fb_info *info, const char *mode_option,
1006 const struct fb_videomode *db,
1007 unsigned int dbsize,
1008 const struct fb_videomode *default_mode,
1009 unsigned int default_bpp);
1010
1011 #endif /* __KERNEL__ */
1012
1013 #endif /* _LINUX_FB_H */
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