Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _LINUX_FB_H
2#define _LINUX_FB_H
3
4#include <linux/types.h>
5#include <linux/i2c.h>
6
7/* Definitions of frame buffers */
8
9#define FB_MAX 32 /* sufficient for now */
10
11/* ioctls
12 0x46 is 'F' */
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
19#ifdef __KERNEL__
20#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
21#else
22#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor)
23#endif
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
38#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
39
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 */
45
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 */
51#define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */
52#define FB_AUX_TEXT_SVGA_MASK 7 /* lower three bits says step */
53#define FB_AUX_TEXT_SVGA_STEP2 8 /* SVGA text mode: text, attr */
54#define FB_AUX_TEXT_SVGA_STEP4 9 /* SVGA text mode: text, attr, 2 reserved bytes */
55#define FB_AUX_TEXT_SVGA_STEP8 10 /* SVGA text mode: text, attr, 6 reserved bytes */
56#define FB_AUX_TEXT_SVGA_STEP16 11 /* SVGA text mode: text, attr, 14 reserved bytes */
57#define FB_AUX_TEXT_SVGA_LAST 15 /* reserved up to 15 */
58
59#define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
60#define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
61#define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */
62
63#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
64#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
65#define FB_VISUAL_TRUECOLOR 2 /* True color */
66#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
67#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
68#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
69
70#define FB_ACCEL_NONE 0 /* no hardware accelerator */
71#define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */
72#define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */
73#define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */
74#define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */
75#define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */
76#define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */
77#define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */
78#define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */
79#define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */
80#define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */
81#define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */
82#define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */
83#define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */
84#define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */
85#define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */
86#define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */
87#define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */
88#define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */
89#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
90#define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */
91#define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */
92#define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */
93#define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */
94#define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */
95#define FB_ACCEL_SUN_TCX 25 /* Sun tcx */
96#define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
97#define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */
98#define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */
99#define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */
100#define FB_ACCEL_CT_6555x 30 /* C&T 6555x */
101#define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
102#define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */
103#define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */
104#define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */
105#define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */
106#define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */
107#define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
108#define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
109#define FB_ACCEL_I810 39 /* Intel 810/815 */
110#define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
111#define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
112#define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */
113#define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */
114#define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */
115#define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */
116#define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */
117#define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */
118#define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */
119#define FB_ACCEL_OMAP1610 49 /* TI OMAP16xx */
120#define FB_ACCEL_TRIDENT_TGUI 50 /* Trident TGUI */
121#define FB_ACCEL_TRIDENT_3DIMAGE 51 /* Trident 3DImage */
122#define FB_ACCEL_TRIDENT_BLADE3D 52 /* Trident Blade3D */
123#define FB_ACCEL_TRIDENT_BLADEXP 53 /* Trident BladeXP */
124#define FB_ACCEL_CIRRUS_ALPINE 53 /* Cirrus Logic 543x/544x/5480 */
125#define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */
126#define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */
127#define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */
128#define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */
129#define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */
130#define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */
131#define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */
132#define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */
133#define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */
134#define FB_ACCEL_PXA3XX 99 /* PXA3xx */
135
136#define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */
137#define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */
138#define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */
139#define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */
140#define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */
141#define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */
142#define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */
143#define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */
144#define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */
145#define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */
146#define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */
147#define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */
148#define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */
149#define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */
150#define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */
151
152struct fb_fix_screeninfo {
153 char id[16]; /* identification string eg "TT Builtin" */
154 unsigned long smem_start; /* Start of frame buffer mem */
155 /* (physical address) */
156 __u32 smem_len; /* Length of frame buffer mem */
157 __u32 type; /* see FB_TYPE_* */
158 __u32 type_aux; /* Interleave for interleaved Planes */
159 __u32 visual; /* see FB_VISUAL_* */
160 __u16 xpanstep; /* zero if no hardware panning */
161 __u16 ypanstep; /* zero if no hardware panning */
162 __u16 ywrapstep; /* zero if no hardware ywrap */
163 __u32 line_length; /* length of a line in bytes */
164 unsigned long mmio_start; /* Start of Memory Mapped I/O */
165 /* (physical address) */
166 __u32 mmio_len; /* Length of Memory Mapped I/O */
167 __u32 accel; /* Indicate to driver which */
168 /* specific chip/card we have */
169 __u16 reserved[3]; /* Reserved for future compatibility */
170};
171
172/* Interpretation of offset for color fields: All offsets are from the right,
173 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
174 * can use the offset as right argument to <<). A pixel afterwards is a bit
175 * stream and is written to video memory as that unmodified.
176 *
177 * For pseudocolor: offset and length should be the same for all color
178 * components. Offset specifies the position of the least significant bit
179 * of the pallette index in a pixel value. Length indicates the number
180 * of available palette entries (i.e. # of entries = 1 << length).
181 */
182struct fb_bitfield {
183 __u32 offset; /* beginning of bitfield */
184 __u32 length; /* length of bitfield */
185 __u32 msb_right; /* != 0 : Most significant bit is */
186 /* right */
187};
188
189#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
190#define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */
191
192#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
193#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
194#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
195#define FB_ACTIVATE_MASK 15
196 /* values */
197#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
198#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
199#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
200#define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/
201#define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */
202
203#define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */
204
205#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
206#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
207#define FB_SYNC_EXT 4 /* external sync */
208#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
209#define FB_SYNC_BROADCAST 16 /* broadcast video timings */
210 /* vtotal = 144d/288n/576i => PAL */
211 /* vtotal = 121d/242n/484i => NTSC */
212#define FB_SYNC_ON_GREEN 32 /* sync on green */
213
214#define FB_VMODE_NONINTERLACED 0 /* non interlaced */
215#define FB_VMODE_INTERLACED 1 /* interlaced */
216#define FB_VMODE_DOUBLE 2 /* double scan */
217#define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */
218#define FB_VMODE_MASK 255
219
220#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
221#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
222#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
223
224/*
225 * Display rotation support
226 */
227#define FB_ROTATE_UR 0
228#define FB_ROTATE_CW 1
229#define FB_ROTATE_UD 2
230#define FB_ROTATE_CCW 3
231
232#define PICOS2KHZ(a) (1000000000UL/(a))
233#define KHZ2PICOS(a) (1000000000UL/(a))
234
235struct fb_var_screeninfo {
236 __u32 xres; /* visible resolution */
237 __u32 yres;
238 __u32 xres_virtual; /* virtual resolution */
239 __u32 yres_virtual;
240 __u32 xoffset; /* offset from virtual to visible */
241 __u32 yoffset; /* resolution */
242
243 __u32 bits_per_pixel; /* guess what */
244 __u32 grayscale; /* != 0 Graylevels instead of colors */
245
246 struct fb_bitfield red; /* bitfield in fb mem if true color, */
247 struct fb_bitfield green; /* else only length is significant */
248 struct fb_bitfield blue;
249 struct fb_bitfield transp; /* transparency */
250
251 __u32 nonstd; /* != 0 Non standard pixel format */
252
253 __u32 activate; /* see FB_ACTIVATE_* */
254
255 __u32 height; /* height of picture in mm */
256 __u32 width; /* width of picture in mm */
257
258 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */
259
260 /* Timing: All values in pixclocks, except pixclock (of course) */
261 __u32 pixclock; /* pixel clock in ps (pico seconds) */
262 __u32 left_margin; /* time from sync to picture */
263 __u32 right_margin; /* time from picture to sync */
264 __u32 upper_margin; /* time from sync to picture */
265 __u32 lower_margin;
266 __u32 hsync_len; /* length of horizontal sync */
267 __u32 vsync_len; /* length of vertical sync */
268 __u32 sync; /* see FB_SYNC_* */
269 __u32 vmode; /* see FB_VMODE_* */
270 __u32 rotate; /* angle we rotate counter clockwise */
271 __u32 reserved[5]; /* Reserved for future compatibility */
272};
273
274struct fb_cmap {
275 __u32 start; /* First entry */
276 __u32 len; /* Number of entries */
277 __u16 *red; /* Red values */
278 __u16 *green;
279 __u16 *blue;
280 __u16 *transp; /* transparency, can be NULL */
281};
282
283struct fb_con2fbmap {
284 __u32 console;
285 __u32 framebuffer;
286};
287
288/* VESA Blanking Levels */
289#define VESA_NO_BLANKING 0
290#define VESA_VSYNC_SUSPEND 1
291#define VESA_HSYNC_SUSPEND 2
292#define VESA_POWERDOWN 3
293
294
295enum {
296 /* screen: unblanked, hsync: on, vsync: on */
297 FB_BLANK_UNBLANK = VESA_NO_BLANKING,
298
299 /* screen: blanked, hsync: on, vsync: on */
300 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1,
301
302 /* screen: blanked, hsync: on, vsync: off */
303 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
304
305 /* screen: blanked, hsync: off, vsync: on */
306 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
307
308 /* screen: blanked, hsync: off, vsync: off */
309 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1
310};
311
312#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
313#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
314#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
315#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
316#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
317#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
318#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
319#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
320#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
321
322struct fb_vblank {
323 __u32 flags; /* FB_VBLANK flags */
324 __u32 count; /* counter of retraces since boot */
325 __u32 vcount; /* current scanline position */
326 __u32 hcount; /* current scandot position */
327 __u32 reserved[4]; /* reserved for future compatibility */
328};
329
330/* Internal HW accel */
331#define ROP_COPY 0
332#define ROP_XOR 1
333
334struct fb_copyarea {
335 __u32 dx;
336 __u32 dy;
337 __u32 width;
338 __u32 height;
339 __u32 sx;
340 __u32 sy;
341};
342
343struct fb_fillrect {
344 __u32 dx; /* screen-relative */
345 __u32 dy;
346 __u32 width;
347 __u32 height;
348 __u32 color;
349 __u32 rop;
350};
351
352struct fb_image {
353 __u32 dx; /* Where to place image */
354 __u32 dy;
355 __u32 width; /* Size of image */
356 __u32 height;
357 __u32 fg_color; /* Only used when a mono bitmap */
358 __u32 bg_color;
359 __u8 depth; /* Depth of the image */
360 const char *data; /* Pointer to image data */
361 struct fb_cmap cmap; /* color map info */
362};
363
364/*
365 * hardware cursor control
366 */
367
368#define FB_CUR_SETIMAGE 0x01
369#define FB_CUR_SETPOS 0x02
370#define FB_CUR_SETHOT 0x04
371#define FB_CUR_SETCMAP 0x08
372#define FB_CUR_SETSHAPE 0x10
373#define FB_CUR_SETSIZE 0x20
374#define FB_CUR_SETALL 0xFF
375
376struct fbcurpos {
377 __u16 x, y;
378};
379
380struct fb_cursor {
381 __u16 set; /* what to set */
382 __u16 enable; /* cursor on/off */
383 __u16 rop; /* bitop operation */
384 const char *mask; /* cursor mask bits */
385 struct fbcurpos hot; /* cursor hot spot */
386 struct fb_image image; /* Cursor image */
387};
388
389#ifdef CONFIG_FB_BACKLIGHT
390/* Settings for the generic backlight code */
391#define FB_BACKLIGHT_LEVELS 128
392#define FB_BACKLIGHT_MAX 0xFF
393#endif
394
395#ifdef __KERNEL__
396
397#include <linux/fs.h>
398#include <linux/init.h>
399#include <linux/device.h>
400#include <linux/workqueue.h>
401#include <linux/notifier.h>
402#include <linux/list.h>
403#include <linux/backlight.h>
404#include <linux/slab.h>
405#include <asm/io.h>
406
407struct vm_area_struct;
408struct fb_info;
409struct device;
410struct file;
411
412/* Definitions below are used in the parsed monitor specs */
413#define FB_DPMS_ACTIVE_OFF 1
414#define FB_DPMS_SUSPEND 2
415#define FB_DPMS_STANDBY 4
416
417#define FB_DISP_DDI 1
418#define FB_DISP_ANA_700_300 2
419#define FB_DISP_ANA_714_286 4
420#define FB_DISP_ANA_1000_400 8
421#define FB_DISP_ANA_700_000 16
422
423#define FB_DISP_MONO 32
424#define FB_DISP_RGB 64
425#define FB_DISP_MULTI 128
426#define FB_DISP_UNKNOWN 256
427
428#define FB_SIGNAL_NONE 0
429#define FB_SIGNAL_BLANK_BLANK 1
430#define FB_SIGNAL_SEPARATE 2
431#define FB_SIGNAL_COMPOSITE 4
432#define FB_SIGNAL_SYNC_ON_GREEN 8
433#define FB_SIGNAL_SERRATION_ON 16
434
435#define FB_MISC_PRIM_COLOR 1
436#define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */
437struct fb_chroma {
438 __u32 redx; /* in fraction of 1024 */
439 __u32 greenx;
440 __u32 bluex;
441 __u32 whitex;
442 __u32 redy;
443 __u32 greeny;
444 __u32 bluey;
445 __u32 whitey;
446};
447
448struct fb_monspecs {
449 struct fb_chroma chroma;
450 struct fb_videomode *modedb; /* mode database */
451 __u8 manufacturer[4]; /* Manufacturer */
452 __u8 monitor[14]; /* Monitor String */
453 __u8 serial_no[14]; /* Serial Number */
454 __u8 ascii[14]; /* ? */
455 __u32 modedb_len; /* mode database length */
456 __u32 model; /* Monitor Model */
457 __u32 serial; /* Serial Number - Integer */
458 __u32 year; /* Year manufactured */
459 __u32 week; /* Week Manufactured */
460 __u32 hfmin; /* hfreq lower limit (Hz) */
461 __u32 hfmax; /* hfreq upper limit (Hz) */
462 __u32 dclkmin; /* pixelclock lower limit (Hz) */
463 __u32 dclkmax; /* pixelclock upper limit (Hz) */
464 __u16 input; /* display type - see FB_DISP_* */
465 __u16 dpms; /* DPMS support - see FB_DPMS_ */
466 __u16 signal; /* Signal Type - see FB_SIGNAL_* */
467 __u16 vfmin; /* vfreq lower limit (Hz) */
468 __u16 vfmax; /* vfreq upper limit (Hz) */
469 __u16 gamma; /* Gamma - in fractions of 100 */
470 __u16 gtf : 1; /* supports GTF */
471 __u16 misc; /* Misc flags - see FB_MISC_* */
472 __u8 version; /* EDID version... */
473 __u8 revision; /* ...and revision */
474 __u8 max_x; /* Maximum horizontal size (cm) */
475 __u8 max_y; /* Maximum vertical size (cm) */
476};
477
478struct fb_cmap_user {
479 __u32 start; /* First entry */
480 __u32 len; /* Number of entries */
481 __u16 __user *red; /* Red values */
482 __u16 __user *green;
483 __u16 __user *blue;
484 __u16 __user *transp; /* transparency, can be NULL */
485};
486
487struct fb_image_user {
488 __u32 dx; /* Where to place image */
489 __u32 dy;
490 __u32 width; /* Size of image */
491 __u32 height;
492 __u32 fg_color; /* Only used when a mono bitmap */
493 __u32 bg_color;
494 __u8 depth; /* Depth of the image */
495 const char __user *data; /* Pointer to image data */
496 struct fb_cmap_user cmap; /* color map info */
497};
498
499struct fb_cursor_user {
500 __u16 set; /* what to set */
501 __u16 enable; /* cursor on/off */
502 __u16 rop; /* bitop operation */
503 const char __user *mask; /* cursor mask bits */
504 struct fbcurpos hot; /* cursor hot spot */
505 struct fb_image_user image; /* Cursor image */
506};
507
508/*
509 * Register/unregister for framebuffer events
510 */
511
512/* The resolution of the passed in fb_info about to change */
513#define FB_EVENT_MODE_CHANGE 0x01
514/* The display on this fb_info is beeing suspended, no access to the
515 * framebuffer is allowed any more after that call returns
516 */
517#define FB_EVENT_SUSPEND 0x02
518/* The display on this fb_info was resumed, you can restore the display
519 * if you own it
520 */
521#define FB_EVENT_RESUME 0x03
522/* An entry from the modelist was removed */
523#define FB_EVENT_MODE_DELETE 0x04
524/* A driver registered itself */
525#define FB_EVENT_FB_REGISTERED 0x05
526/* A driver unregistered itself */
527#define FB_EVENT_FB_UNREGISTERED 0x06
528/* CONSOLE-SPECIFIC: get console to framebuffer mapping */
529#define FB_EVENT_GET_CONSOLE_MAP 0x07
530/* CONSOLE-SPECIFIC: set console to framebuffer mapping */
531#define FB_EVENT_SET_CONSOLE_MAP 0x08
532/* A hardware display blank change occured */
533#define FB_EVENT_BLANK 0x09
534/* Private modelist is to be replaced */
535#define FB_EVENT_NEW_MODELIST 0x0A
536/* The resolution of the passed in fb_info about to change and
537 all vc's should be changed */
538#define FB_EVENT_MODE_CHANGE_ALL 0x0B
539/* A software display blank change occured */
540#define FB_EVENT_CONBLANK 0x0C
541/* Get drawing requirements */
542#define FB_EVENT_GET_REQ 0x0D
543/* Unbind from the console if possible */
544#define FB_EVENT_FB_UNBIND 0x0E
545/* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga switcheroo */
546#define FB_EVENT_REMAP_ALL_CONSOLE 0x0F
547
548struct fb_event {
549 struct fb_info *info;
550 void *data;
551};
552
553struct fb_blit_caps {
554 u32 x;
555 u32 y;
556 u32 len;
557 u32 flags;
558};
559
560extern int fb_register_client(struct notifier_block *nb);
561extern int fb_unregister_client(struct notifier_block *nb);
562extern int fb_notifier_call_chain(unsigned long val, void *v);
563/*
564 * Pixmap structure definition
565 *
566 * The purpose of this structure is to translate data
567 * from the hardware independent format of fbdev to what
568 * format the hardware needs.
569 */
570
571#define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */
572#define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */
573#define FB_PIXMAP_IO 4 /* memory is iomapped */
574#define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */
575
576struct fb_pixmap {
577 u8 *addr; /* pointer to memory */
578 u32 size; /* size of buffer in bytes */
579 u32 offset; /* current offset to buffer */
580 u32 buf_align; /* byte alignment of each bitmap */
581 u32 scan_align; /* alignment per scanline */
582 u32 access_align; /* alignment per read/write (bits) */
583 u32 flags; /* see FB_PIXMAP_* */
584 u32 blit_x; /* supported bit block dimensions (1-32)*/
585 u32 blit_y; /* Format: blit_x = 1 << (width - 1) */
586 /* blit_y = 1 << (height - 1) */
587 /* if 0, will be set to 0xffffffff (all)*/
588 /* access methods */
589 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
590 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
591};
592
593#ifdef CONFIG_FB_DEFERRED_IO
594struct fb_deferred_io {
595 /* delay between mkwrite and deferred handler */
596 unsigned long delay;
597 struct mutex lock; /* mutex that protects the page list */
598 struct list_head pagelist; /* list of touched pages */
599 /* callback */
600 void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
601};
602#endif
603
604/*
605 * Frame buffer operations
606 *
607 * LOCKING NOTE: those functions must _ALL_ be called with the console
608 * semaphore held, this is the only suitable locking mechanism we have
609 * in 2.6. Some may be called at interrupt time at this point though.
610 */
611
612struct fb_ops {
613 /* open/release and usage marking */
614 struct module *owner;
615 int (*fb_open)(struct fb_info *info, int user);
616 int (*fb_release)(struct fb_info *info, int user);
617
618 /* For framebuffers with strange non linear layouts or that do not
619 * work with normal memory mapped access
620 */
621 ssize_t (*fb_read)(struct fb_info *info, char __user *buf,
622 size_t count, loff_t *ppos);
623 ssize_t (*fb_write)(struct fb_info *info, const char __user *buf,
624 size_t count, loff_t *ppos);
625
626 /* checks var and eventually tweaks it to something supported,
627 * DO NOT MODIFY PAR */
628 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
629
630 /* set the video mode according to info->var */
631 int (*fb_set_par)(struct fb_info *info);
632
633 /* set color register */
634 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
635 unsigned blue, unsigned transp, struct fb_info *info);
636
637 /* set color registers in batch */
638 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
639
640 /* blank display */
641 int (*fb_blank)(int blank, struct fb_info *info);
642
643 /* pan display */
644 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
645
646 /* Draws a rectangle */
647 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
648 /* Copy data from area to another */
649 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
650 /* Draws a image to the display */
651 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
652
653 /* Draws cursor */
654 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
655
656 /* Rotates the display */
657 void (*fb_rotate)(struct fb_info *info, int angle);
658
659 /* wait for blit idle, optional */
660 int (*fb_sync)(struct fb_info *info);
661
662 /* perform fb specific ioctl (optional) */
663 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
664 unsigned long arg);
665
666 /* Handle 32bit compat ioctl (optional) */
667 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
668 unsigned long arg);
669
670 /* perform fb specific mmap */
671 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
672
673 /* get capability given var */
674 void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps,
675 struct fb_var_screeninfo *var);
676
677 /* teardown any resources to do with this framebuffer */
678 void (*fb_destroy)(struct fb_info *info);
679};
680
681#ifdef CONFIG_FB_TILEBLITTING
682#define FB_TILE_CURSOR_NONE 0
683#define FB_TILE_CURSOR_UNDERLINE 1
684#define FB_TILE_CURSOR_LOWER_THIRD 2
685#define FB_TILE_CURSOR_LOWER_HALF 3
686#define FB_TILE_CURSOR_TWO_THIRDS 4
687#define FB_TILE_CURSOR_BLOCK 5
688
689struct fb_tilemap {
690 __u32 width; /* width of each tile in pixels */
691 __u32 height; /* height of each tile in scanlines */
692 __u32 depth; /* color depth of each tile */
693 __u32 length; /* number of tiles in the map */
694 const __u8 *data; /* actual tile map: a bitmap array, packed
695 to the nearest byte */
696};
697
698struct fb_tilerect {
699 __u32 sx; /* origin in the x-axis */
700 __u32 sy; /* origin in the y-axis */
701 __u32 width; /* number of tiles in the x-axis */
702 __u32 height; /* number of tiles in the y-axis */
703 __u32 index; /* what tile to use: index to tile map */
704 __u32 fg; /* foreground color */
705 __u32 bg; /* background color */
706 __u32 rop; /* raster operation */
707};
708
709struct fb_tilearea {
710 __u32 sx; /* source origin in the x-axis */
711 __u32 sy; /* source origin in the y-axis */
712 __u32 dx; /* destination origin in the x-axis */
713 __u32 dy; /* destination origin in the y-axis */
714 __u32 width; /* number of tiles in the x-axis */
715 __u32 height; /* number of tiles in the y-axis */
716};
717
718struct fb_tileblit {
719 __u32 sx; /* origin in the x-axis */
720 __u32 sy; /* origin in the y-axis */
721 __u32 width; /* number of tiles in the x-axis */
722 __u32 height; /* number of tiles in the y-axis */
723 __u32 fg; /* foreground color */
724 __u32 bg; /* background color */
725 __u32 length; /* number of tiles to draw */
726 __u32 *indices; /* array of indices to tile map */
727};
728
729struct fb_tilecursor {
730 __u32 sx; /* cursor position in the x-axis */
731 __u32 sy; /* cursor position in the y-axis */
732 __u32 mode; /* 0 = erase, 1 = draw */
733 __u32 shape; /* see FB_TILE_CURSOR_* */
734 __u32 fg; /* foreground color */
735 __u32 bg; /* background color */
736};
737
738struct fb_tile_ops {
739 /* set tile characteristics */
740 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
741
742 /* all dimensions from hereon are in terms of tiles */
743
744 /* move a rectangular region of tiles from one area to another*/
745 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
746 /* fill a rectangular region with a tile */
747 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
748 /* copy an array of tiles */
749 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
750 /* cursor */
751 void (*fb_tilecursor)(struct fb_info *info,
752 struct fb_tilecursor *cursor);
753 /* get maximum length of the tile map */
754 int (*fb_get_tilemax)(struct fb_info *info);
755};
756#endif /* CONFIG_FB_TILEBLITTING */
757
758/* FBINFO_* = fb_info.flags bit flags */
759#define FBINFO_MODULE 0x0001 /* Low-level driver is a module */
760#define FBINFO_HWACCEL_DISABLED 0x0002
761 /* When FBINFO_HWACCEL_DISABLED is set:
762 * Hardware acceleration is turned off. Software implementations
763 * of required functions (copyarea(), fillrect(), and imageblit())
764 * takes over; acceleration engine should be in a quiescent state */
765
766/* hints */
767#define FBINFO_VIRTFB 0x0004 /* FB is System RAM, not device. */
768#define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */
769#define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */
770
771/* hardware supported ops */
772/* semantics: when a bit is set, it indicates that the operation is
773 * accelerated by hardware.
774 * required functions will still work even if the bit is not set.
775 * optional functions may not even exist if the flag bit is not set.
776 */
777#define FBINFO_HWACCEL_NONE 0x0000
778#define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */
779#define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */
780#define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */
781#define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */
782#define FBINFO_HWACCEL_XPAN 0x1000 /* optional */
783#define FBINFO_HWACCEL_YPAN 0x2000 /* optional */
784#define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */
785
786#define FBINFO_MISC_USEREVENT 0x10000 /* event request
787 from userspace */
788#define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */
789
790/* A driver may set this flag to indicate that it does want a set_par to be
791 * called every time when fbcon_switch is executed. The advantage is that with
792 * this flag set you can really be sure that set_par is always called before
793 * any of the functions dependant on the correct hardware state or altering
794 * that state, even if you are using some broken X releases. The disadvantage
795 * is that it introduces unwanted delays to every console switch if set_par
796 * is slow. It is a good idea to try this flag in the drivers initialization
797 * code whenever there is a bug report related to switching between X and the
798 * framebuffer console.
799 */
800#define FBINFO_MISC_ALWAYS_SETPAR 0x40000
801
802/* where the fb is a firmware driver, and can be replaced with a proper one */
803#define FBINFO_MISC_FIRMWARE 0x80000
804/*
805 * Host and GPU endianness differ.
806 */
807#define FBINFO_FOREIGN_ENDIAN 0x100000
808/*
809 * Big endian math. This is the same flags as above, but with different
810 * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag
811 * and host endianness. Drivers should not use this flag.
812 */
813#define FBINFO_BE_MATH 0x100000
814
815struct fb_info {
816 int node;
817 int flags;
818 struct mutex lock; /* Lock for open/release/ioctl funcs */
819 struct mutex mm_lock; /* Lock for fb_mmap and smem_* fields */
820 struct fb_var_screeninfo var; /* Current var */
821 struct fb_fix_screeninfo fix; /* Current fix */
822 struct fb_monspecs monspecs; /* Current Monitor specs */
823 struct work_struct queue; /* Framebuffer event queue */
824 struct fb_pixmap pixmap; /* Image hardware mapper */
825 struct fb_pixmap sprite; /* Cursor hardware mapper */
826 struct fb_cmap cmap; /* Current cmap */
827 struct list_head modelist; /* mode list */
828 struct fb_videomode *mode; /* current mode */
829
830#ifdef CONFIG_FB_BACKLIGHT
831 /* assigned backlight device */
832 /* set before framebuffer registration,
833 remove after unregister */
834 struct backlight_device *bl_dev;
835
836 /* Backlight level curve */
837 struct mutex bl_curve_mutex;
838 u8 bl_curve[FB_BACKLIGHT_LEVELS];
839#endif
840#ifdef CONFIG_FB_DEFERRED_IO
841 struct delayed_work deferred_work;
842 struct fb_deferred_io *fbdefio;
843#endif
844
845 struct fb_ops *fbops;
846 struct device *device; /* This is the parent */
847 struct device *dev; /* This is this fb device */
848 int class_flag; /* private sysfs flags */
849#ifdef CONFIG_FB_TILEBLITTING
850 struct fb_tile_ops *tileops; /* Tile Blitting */
851#endif
852 char __iomem *screen_base; /* Virtual address */
853 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */
854 void *pseudo_palette; /* Fake palette of 16 colors */
855#define FBINFO_STATE_RUNNING 0
856#define FBINFO_STATE_SUSPENDED 1
857 u32 state; /* Hardware state i.e suspend */
858 void *fbcon_par; /* fbcon use-only private area */
859 /* From here on everything is device dependent */
860 void *par;
861 /* we need the PCI or similiar aperture base/size not
862 smem_start/size as smem_start may just be an object
863 allocated inside the aperture so may not actually overlap */
864 struct apertures_struct {
865 unsigned int count;
866 struct aperture {
867 resource_size_t base;
868 resource_size_t size;
869 } ranges[0];
870 } *apertures;
871};
872
873static inline struct apertures_struct *alloc_apertures(unsigned int max_num) {
874 struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct)
875 + max_num * sizeof(struct aperture), GFP_KERNEL);
876 if (!a)
877 return NULL;
878 a->count = max_num;
879 return a;
880}
881
882#ifdef MODULE
883#define FBINFO_DEFAULT FBINFO_MODULE
884#else
885#define FBINFO_DEFAULT 0
886#endif
887
888// This will go away
889#define FBINFO_FLAG_MODULE FBINFO_MODULE
890#define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT
891
892/* This will go away
893 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
894 * when it wants to turn the acceleration engine on. This is
895 * really a separate operation, and should be modified via sysfs.
896 * But for now, we leave it broken with the following define
897 */
898#define STUPID_ACCELF_TEXT_SHIT
899
900// This will go away
901#if defined(__sparc__)
902
903/* We map all of our framebuffers such that big-endian accesses
904 * are what we want, so the following is sufficient.
905 */
906
907// This will go away
908#define fb_readb sbus_readb
909#define fb_readw sbus_readw
910#define fb_readl sbus_readl
911#define fb_readq sbus_readq
912#define fb_writeb sbus_writeb
913#define fb_writew sbus_writew
914#define fb_writel sbus_writel
915#define fb_writeq sbus_writeq
916#define fb_memset sbus_memset_io
917
918#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__)
919
920#define fb_readb __raw_readb
921#define fb_readw __raw_readw
922#define fb_readl __raw_readl
923#define fb_readq __raw_readq
924#define fb_writeb __raw_writeb
925#define fb_writew __raw_writew
926#define fb_writel __raw_writel
927#define fb_writeq __raw_writeq
928#define fb_memset memset_io
929
930#else
931
932#define fb_readb(addr) (*(volatile u8 *) (addr))
933#define fb_readw(addr) (*(volatile u16 *) (addr))
934#define fb_readl(addr) (*(volatile u32 *) (addr))
935#define fb_readq(addr) (*(volatile u64 *) (addr))
936#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
937#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
938#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
939#define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
940#define fb_memset memset
941
942#endif
943
944#define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0)
945#define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \
946 (val) << (bits))
947#define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \
948 (val) >> (bits))
949
950 /*
951 * `Generic' versions of the frame buffer device operations
952 */
953
954extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
955extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
956extern int fb_blank(struct fb_info *info, int blank);
957extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
958extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
959extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
960/*
961 * Drawing operations where framebuffer is in system RAM
962 */
963extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
964extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area);
965extern void sys_imageblit(struct fb_info *info, const struct fb_image *image);
966extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
967 size_t count, loff_t *ppos);
968extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
969 size_t count, loff_t *ppos);
970
971/* drivers/video/fbmem.c */
972extern int register_framebuffer(struct fb_info *fb_info);
973extern int unregister_framebuffer(struct fb_info *fb_info);
974extern void remove_conflicting_framebuffers(struct apertures_struct *a,
975 const char *name, bool primary);
976extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
977extern int fb_show_logo(struct fb_info *fb_info, int rotate);
978extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
979extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
980 u32 height, u32 shift_high, u32 shift_low, u32 mod);
981extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
982extern void fb_set_suspend(struct fb_info *info, int state);
983extern int fb_get_color_depth(struct fb_var_screeninfo *var,
984 struct fb_fix_screeninfo *fix);
985extern int fb_get_options(char *name, char **option);
986extern int fb_new_modelist(struct fb_info *info);
987
988extern struct fb_info *registered_fb[FB_MAX];
989extern int num_registered_fb;
990extern struct class *fb_class;
991
992extern int lock_fb_info(struct fb_info *info);
993
994static inline void unlock_fb_info(struct fb_info *info)
995{
996 mutex_unlock(&info->lock);
997}
998
999static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
1000 u8 *src, u32 s_pitch, u32 height)
1001{
1002 int i, j;
1003
1004 d_pitch -= s_pitch;
1005
1006 for (i = height; i--; ) {
1007 /* s_pitch is a few bytes at the most, memcpy is suboptimal */
1008 for (j = 0; j < s_pitch; j++)
1009 *dst++ = *src++;
1010 dst += d_pitch;
1011 }
1012}
1013
1014/* drivers/video/fb_defio.c */
1015extern void fb_deferred_io_init(struct fb_info *info);
1016extern void fb_deferred_io_open(struct fb_info *info,
1017 struct inode *inode,
1018 struct file *file);
1019extern void fb_deferred_io_cleanup(struct fb_info *info);
1020extern int fb_deferred_io_fsync(struct file *file, int datasync);
1021
1022static inline bool fb_be_math(struct fb_info *info)
1023{
1024#ifdef CONFIG_FB_FOREIGN_ENDIAN
1025#if defined(CONFIG_FB_BOTH_ENDIAN)
1026 return info->flags & FBINFO_BE_MATH;
1027#elif defined(CONFIG_FB_BIG_ENDIAN)
1028 return true;
1029#elif defined(CONFIG_FB_LITTLE_ENDIAN)
1030 return false;
1031#endif /* CONFIG_FB_BOTH_ENDIAN */
1032#else
1033#ifdef __BIG_ENDIAN
1034 return true;
1035#else
1036 return false;
1037#endif /* __BIG_ENDIAN */
1038#endif /* CONFIG_FB_FOREIGN_ENDIAN */
1039}
1040
1041/* drivers/video/fbsysfs.c */
1042extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
1043extern void framebuffer_release(struct fb_info *info);
1044extern int fb_init_device(struct fb_info *fb_info);
1045extern void fb_cleanup_device(struct fb_info *head);
1046extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
1047
1048/* drivers/video/fbmon.c */
1049#define FB_MAXTIMINGS 0
1050#define FB_VSYNCTIMINGS 1
1051#define FB_HSYNCTIMINGS 2
1052#define FB_DCLKTIMINGS 3
1053#define FB_IGNOREMON 0x100
1054
1055#define FB_MODE_IS_UNKNOWN 0
1056#define FB_MODE_IS_DETAILED 1
1057#define FB_MODE_IS_STANDARD 2
1058#define FB_MODE_IS_VESA 4
1059#define FB_MODE_IS_CALCULATED 8
1060#define FB_MODE_IS_FIRST 16
1061#define FB_MODE_IS_FROM_VAR 32
1062
1063extern int fbmon_dpms(const struct fb_info *fb_info);
1064extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
1065 struct fb_info *info);
1066extern int fb_validate_mode(const struct fb_var_screeninfo *var,
1067 struct fb_info *info);
1068extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
1069extern const unsigned char *fb_firmware_edid(struct device *device);
1070extern void fb_edid_to_monspecs(unsigned char *edid,
1071 struct fb_monspecs *specs);
1072extern void fb_destroy_modedb(struct fb_videomode *modedb);
1073extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
1074extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
1075
1076/* drivers/video/modedb.c */
1077#define VESA_MODEDB_SIZE 34
1078extern void fb_var_to_videomode(struct fb_videomode *mode,
1079 const struct fb_var_screeninfo *var);
1080extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
1081 const struct fb_videomode *mode);
1082extern int fb_mode_is_equal(const struct fb_videomode *mode1,
1083 const struct fb_videomode *mode2);
1084extern int fb_add_videomode(const struct fb_videomode *mode,
1085 struct list_head *head);
1086extern void fb_delete_videomode(const struct fb_videomode *mode,
1087 struct list_head *head);
1088extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
1089 struct list_head *head);
1090extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
1091 struct list_head *head);
1092extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
1093 struct list_head *head);
1094extern void fb_destroy_modelist(struct list_head *head);
1095extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
1096 struct list_head *head);
1097extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
1098 struct list_head *head);
1099
1100/* drivers/video/fbcmap.c */
1101extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
1102extern void fb_dealloc_cmap(struct fb_cmap *cmap);
1103extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
1104extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
1105extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
1106extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
1107extern const struct fb_cmap *fb_default_cmap(int len);
1108extern void fb_invert_cmaps(void);
1109
1110struct fb_videomode {
1111 const char *name; /* optional */
1112 u32 refresh; /* optional */
1113 u32 xres;
1114 u32 yres;
1115 u32 pixclock;
1116 u32 left_margin;
1117 u32 right_margin;
1118 u32 upper_margin;
1119 u32 lower_margin;
1120 u32 hsync_len;
1121 u32 vsync_len;
1122 u32 sync;
1123 u32 vmode;
1124 u32 flag;
1125};
1126
1127extern const char *fb_mode_option;
1128extern const struct fb_videomode vesa_modes[];
1129
1130struct fb_modelist {
1131 struct list_head list;
1132 struct fb_videomode mode;
1133};
1134
1135extern int fb_find_mode(struct fb_var_screeninfo *var,
1136 struct fb_info *info, const char *mode_option,
1137 const struct fb_videomode *db,
1138 unsigned int dbsize,
1139 const struct fb_videomode *default_mode,
1140 unsigned int default_bpp);
1141
1142#endif /* __KERNEL__ */
1143
1144#endif /* _LINUX_FB_H */