Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
1#ifndef _LINUX_FB_H
2#define _LINUX_FB_H
3
4#include <asm/types.h>
5#include <linux/i2c.h>
6
7struct dentry;
8
9/* Definitions of frame buffers */
10
11#define FB_MAJOR 29
12#define FB_MAX 32 /* sufficient for now */
13
14/* ioctls
15 0x46 is 'F' */
16#define FBIOGET_VSCREENINFO 0x4600
17#define FBIOPUT_VSCREENINFO 0x4601
18#define FBIOGET_FSCREENINFO 0x4602
19#define FBIOGETCMAP 0x4604
20#define FBIOPUTCMAP 0x4605
21#define FBIOPAN_DISPLAY 0x4606
22#ifdef __KERNEL__
23#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
24#else
25#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor)
26#endif
27/* 0x4607-0x460B are defined below */
28/* #define FBIOGET_MONITORSPEC 0x460C */
29/* #define FBIOPUT_MONITORSPEC 0x460D */
30/* #define FBIOSWITCH_MONIBIT 0x460E */
31#define FBIOGET_CON2FBMAP 0x460F
32#define FBIOPUT_CON2FBMAP 0x4610
33#define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */
34#define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank)
35#define FBIO_ALLOC 0x4613
36#define FBIO_FREE 0x4614
37#define FBIOGET_GLYPH 0x4615
38#define FBIOGET_HWCINFO 0x4616
39#define FBIOPUT_MODEINFO 0x4617
40#define FBIOGET_DISPINFO 0x4618
41
42
43#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
44#define FB_TYPE_PLANES 1 /* Non interleaved planes */
45#define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
46#define FB_TYPE_TEXT 3 /* Text/attributes */
47#define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */
48
49#define FB_AUX_TEXT_MDA 0 /* Monochrome text */
50#define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */
51#define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */
52#define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */
53#define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */
54#define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */
55#define FB_AUX_TEXT_SVGA_MASK 7 /* lower three bits says step */
56#define FB_AUX_TEXT_SVGA_STEP2 8 /* SVGA text mode: text, attr */
57#define FB_AUX_TEXT_SVGA_STEP4 9 /* SVGA text mode: text, attr, 2 reserved bytes */
58#define FB_AUX_TEXT_SVGA_STEP8 10 /* SVGA text mode: text, attr, 6 reserved bytes */
59#define FB_AUX_TEXT_SVGA_STEP16 11 /* SVGA text mode: text, attr, 14 reserved bytes */
60#define FB_AUX_TEXT_SVGA_LAST 15 /* reserved up to 15 */
61
62#define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
63#define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
64#define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */
65
66#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
67#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
68#define FB_VISUAL_TRUECOLOR 2 /* True color */
69#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
70#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
71#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
72
73#define FB_ACCEL_NONE 0 /* no hardware accelerator */
74#define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */
75#define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */
76#define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */
77#define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */
78#define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */
79#define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */
80#define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */
81#define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */
82#define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */
83#define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */
84#define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */
85#define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */
86#define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */
87#define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */
88#define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */
89#define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */
90#define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */
91#define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */
92#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
93#define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */
94#define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */
95#define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */
96#define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */
97#define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */
98#define FB_ACCEL_SUN_TCX 25 /* Sun tcx */
99#define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
100#define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */
101#define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */
102#define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */
103#define FB_ACCEL_CT_6555x 30 /* C&T 6555x */
104#define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
105#define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */
106#define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */
107#define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */
108#define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */
109#define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */
110#define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
111#define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
112#define FB_ACCEL_I810 39 /* Intel 810/815 */
113#define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
114#define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
115#define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */
116#define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */
117#define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */
118#define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */
119#define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */
120#define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */
121#define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */
122#define FB_ACCEL_OMAP1610 49 /* TI OMAP16xx */
123#define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */
124#define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */
125#define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */
126#define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */
127#define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */
128#define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */
129#define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */
130#define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */
131#define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */
132
133#define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */
134#define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */
135#define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */
136#define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */
137#define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */
138#define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */
139#define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */
140#define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */
141#define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */
142#define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */
143#define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */
144#define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */
145#define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */
146#define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */
147#define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */
148
149struct fb_fix_screeninfo {
150 char id[16]; /* identification string eg "TT Builtin" */
151 unsigned long smem_start; /* Start of frame buffer mem */
152 /* (physical address) */
153 __u32 smem_len; /* Length of frame buffer mem */
154 __u32 type; /* see FB_TYPE_* */
155 __u32 type_aux; /* Interleave for interleaved Planes */
156 __u32 visual; /* see FB_VISUAL_* */
157 __u16 xpanstep; /* zero if no hardware panning */
158 __u16 ypanstep; /* zero if no hardware panning */
159 __u16 ywrapstep; /* zero if no hardware ywrap */
160 __u32 line_length; /* length of a line in bytes */
161 unsigned long mmio_start; /* Start of Memory Mapped I/O */
162 /* (physical address) */
163 __u32 mmio_len; /* Length of Memory Mapped I/O */
164 __u32 accel; /* Indicate to driver which */
165 /* specific chip/card we have */
166 __u16 reserved[3]; /* Reserved for future compatibility */
167};
168
169/* Interpretation of offset for color fields: All offsets are from the right,
170 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
171 * can use the offset as right argument to <<). A pixel afterwards is a bit
172 * stream and is written to video memory as that unmodified. This implies
173 * big-endian byte order if bits_per_pixel is greater than 8.
174 */
175struct fb_bitfield {
176 __u32 offset; /* beginning of bitfield */
177 __u32 length; /* length of bitfield */
178 __u32 msb_right; /* != 0 : Most significant bit is */
179 /* right */
180};
181
182#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
183#define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */
184
185#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
186#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
187#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
188#define FB_ACTIVATE_MASK 15
189 /* values */
190#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
191#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
192#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
193#define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/
194#define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */
195
196#define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */
197
198#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
199#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
200#define FB_SYNC_EXT 4 /* external sync */
201#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
202#define FB_SYNC_BROADCAST 16 /* broadcast video timings */
203 /* vtotal = 144d/288n/576i => PAL */
204 /* vtotal = 121d/242n/484i => NTSC */
205#define FB_SYNC_ON_GREEN 32 /* sync on green */
206
207#define FB_VMODE_NONINTERLACED 0 /* non interlaced */
208#define FB_VMODE_INTERLACED 1 /* interlaced */
209#define FB_VMODE_DOUBLE 2 /* double scan */
210#define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */
211#define FB_VMODE_MASK 255
212
213#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
214#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
215#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
216
217/*
218 * Display rotation support
219 */
220#define FB_ROTATE_UR 0
221#define FB_ROTATE_CW 1
222#define FB_ROTATE_UD 2
223#define FB_ROTATE_CCW 3
224
225#define PICOS2KHZ(a) (1000000000UL/(a))
226#define KHZ2PICOS(a) (1000000000UL/(a))
227
228struct fb_var_screeninfo {
229 __u32 xres; /* visible resolution */
230 __u32 yres;
231 __u32 xres_virtual; /* virtual resolution */
232 __u32 yres_virtual;
233 __u32 xoffset; /* offset from virtual to visible */
234 __u32 yoffset; /* resolution */
235
236 __u32 bits_per_pixel; /* guess what */
237 __u32 grayscale; /* != 0 Graylevels instead of colors */
238
239 struct fb_bitfield red; /* bitfield in fb mem if true color, */
240 struct fb_bitfield green; /* else only length is significant */
241 struct fb_bitfield blue;
242 struct fb_bitfield transp; /* transparency */
243
244 __u32 nonstd; /* != 0 Non standard pixel format */
245
246 __u32 activate; /* see FB_ACTIVATE_* */
247
248 __u32 height; /* height of picture in mm */
249 __u32 width; /* width of picture in mm */
250
251 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */
252
253 /* Timing: All values in pixclocks, except pixclock (of course) */
254 __u32 pixclock; /* pixel clock in ps (pico seconds) */
255 __u32 left_margin; /* time from sync to picture */
256 __u32 right_margin; /* time from picture to sync */
257 __u32 upper_margin; /* time from sync to picture */
258 __u32 lower_margin;
259 __u32 hsync_len; /* length of horizontal sync */
260 __u32 vsync_len; /* length of vertical sync */
261 __u32 sync; /* see FB_SYNC_* */
262 __u32 vmode; /* see FB_VMODE_* */
263 __u32 rotate; /* angle we rotate counter clockwise */
264 __u32 reserved[5]; /* Reserved for future compatibility */
265};
266
267struct fb_cmap {
268 __u32 start; /* First entry */
269 __u32 len; /* Number of entries */
270 __u16 *red; /* Red values */
271 __u16 *green;
272 __u16 *blue;
273 __u16 *transp; /* transparency, can be NULL */
274};
275
276struct fb_con2fbmap {
277 __u32 console;
278 __u32 framebuffer;
279};
280
281/* VESA Blanking Levels */
282#define VESA_NO_BLANKING 0
283#define VESA_VSYNC_SUSPEND 1
284#define VESA_HSYNC_SUSPEND 2
285#define VESA_POWERDOWN 3
286
287
288enum {
289 /* screen: unblanked, hsync: on, vsync: on */
290 FB_BLANK_UNBLANK = VESA_NO_BLANKING,
291
292 /* screen: blanked, hsync: on, vsync: on */
293 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1,
294
295 /* screen: blanked, hsync: on, vsync: off */
296 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
297
298 /* screen: blanked, hsync: off, vsync: on */
299 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
300
301 /* screen: blanked, hsync: off, vsync: off */
302 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1
303};
304
305#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
306#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
307#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
308#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
309#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
310#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
311#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
312#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
313#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
314
315struct fb_vblank {
316 __u32 flags; /* FB_VBLANK flags */
317 __u32 count; /* counter of retraces since boot */
318 __u32 vcount; /* current scanline position */
319 __u32 hcount; /* current scandot position */
320 __u32 reserved[4]; /* reserved for future compatibility */
321};
322
323/* Internal HW accel */
324#define ROP_COPY 0
325#define ROP_XOR 1
326
327struct fb_copyarea {
328 __u32 dx;
329 __u32 dy;
330 __u32 width;
331 __u32 height;
332 __u32 sx;
333 __u32 sy;
334};
335
336struct fb_fillrect {
337 __u32 dx; /* screen-relative */
338 __u32 dy;
339 __u32 width;
340 __u32 height;
341 __u32 color;
342 __u32 rop;
343};
344
345struct fb_image {
346 __u32 dx; /* Where to place image */
347 __u32 dy;
348 __u32 width; /* Size of image */
349 __u32 height;
350 __u32 fg_color; /* Only used when a mono bitmap */
351 __u32 bg_color;
352 __u8 depth; /* Depth of the image */
353 const char *data; /* Pointer to image data */
354 struct fb_cmap cmap; /* color map info */
355};
356
357/*
358 * hardware cursor control
359 */
360
361#define FB_CUR_SETIMAGE 0x01
362#define FB_CUR_SETPOS 0x02
363#define FB_CUR_SETHOT 0x04
364#define FB_CUR_SETCMAP 0x08
365#define FB_CUR_SETSHAPE 0x10
366#define FB_CUR_SETSIZE 0x20
367#define FB_CUR_SETALL 0xFF
368
369struct fbcurpos {
370 __u16 x, y;
371};
372
373struct fb_cursor {
374 __u16 set; /* what to set */
375 __u16 enable; /* cursor on/off */
376 __u16 rop; /* bitop operation */
377 const char *mask; /* cursor mask bits */
378 struct fbcurpos hot; /* cursor hot spot */
379 struct fb_image image; /* Cursor image */
380};
381
382#ifdef CONFIG_FB_BACKLIGHT
383/* Settings for the generic backlight code */
384#define FB_BACKLIGHT_LEVELS 128
385#define FB_BACKLIGHT_MAX 0xFF
386#endif
387
388#ifdef __KERNEL__
389
390#include <linux/fs.h>
391#include <linux/init.h>
392#include <linux/device.h>
393#include <linux/workqueue.h>
394#include <linux/notifier.h>
395#include <linux/list.h>
396#include <linux/backlight.h>
397#include <asm/io.h>
398
399struct vm_area_struct;
400struct fb_info;
401struct device;
402struct file;
403
404/* Definitions below are used in the parsed monitor specs */
405#define FB_DPMS_ACTIVE_OFF 1
406#define FB_DPMS_SUSPEND 2
407#define FB_DPMS_STANDBY 4
408
409#define FB_DISP_DDI 1
410#define FB_DISP_ANA_700_300 2
411#define FB_DISP_ANA_714_286 4
412#define FB_DISP_ANA_1000_400 8
413#define FB_DISP_ANA_700_000 16
414
415#define FB_DISP_MONO 32
416#define FB_DISP_RGB 64
417#define FB_DISP_MULTI 128
418#define FB_DISP_UNKNOWN 256
419
420#define FB_SIGNAL_NONE 0
421#define FB_SIGNAL_BLANK_BLANK 1
422#define FB_SIGNAL_SEPARATE 2
423#define FB_SIGNAL_COMPOSITE 4
424#define FB_SIGNAL_SYNC_ON_GREEN 8
425#define FB_SIGNAL_SERRATION_ON 16
426
427#define FB_MISC_PRIM_COLOR 1
428#define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */
429struct fb_chroma {
430 __u32 redx; /* in fraction of 1024 */
431 __u32 greenx;
432 __u32 bluex;
433 __u32 whitex;
434 __u32 redy;
435 __u32 greeny;
436 __u32 bluey;
437 __u32 whitey;
438};
439
440struct fb_monspecs {
441 struct fb_chroma chroma;
442 struct fb_videomode *modedb; /* mode database */
443 __u8 manufacturer[4]; /* Manufacturer */
444 __u8 monitor[14]; /* Monitor String */
445 __u8 serial_no[14]; /* Serial Number */
446 __u8 ascii[14]; /* ? */
447 __u32 modedb_len; /* mode database length */
448 __u32 model; /* Monitor Model */
449 __u32 serial; /* Serial Number - Integer */
450 __u32 year; /* Year manufactured */
451 __u32 week; /* Week Manufactured */
452 __u32 hfmin; /* hfreq lower limit (Hz) */
453 __u32 hfmax; /* hfreq upper limit (Hz) */
454 __u32 dclkmin; /* pixelclock lower limit (Hz) */
455 __u32 dclkmax; /* pixelclock upper limit (Hz) */
456 __u16 input; /* display type - see FB_DISP_* */
457 __u16 dpms; /* DPMS support - see FB_DPMS_ */
458 __u16 signal; /* Signal Type - see FB_SIGNAL_* */
459 __u16 vfmin; /* vfreq lower limit (Hz) */
460 __u16 vfmax; /* vfreq upper limit (Hz) */
461 __u16 gamma; /* Gamma - in fractions of 100 */
462 __u16 gtf : 1; /* supports GTF */
463 __u16 misc; /* Misc flags - see FB_MISC_* */
464 __u8 version; /* EDID version... */
465 __u8 revision; /* ...and revision */
466 __u8 max_x; /* Maximum horizontal size (cm) */
467 __u8 max_y; /* Maximum vertical size (cm) */
468};
469
470struct fb_cmap_user {
471 __u32 start; /* First entry */
472 __u32 len; /* Number of entries */
473 __u16 __user *red; /* Red values */
474 __u16 __user *green;
475 __u16 __user *blue;
476 __u16 __user *transp; /* transparency, can be NULL */
477};
478
479struct fb_image_user {
480 __u32 dx; /* Where to place image */
481 __u32 dy;
482 __u32 width; /* Size of image */
483 __u32 height;
484 __u32 fg_color; /* Only used when a mono bitmap */
485 __u32 bg_color;
486 __u8 depth; /* Depth of the image */
487 const char __user *data; /* Pointer to image data */
488 struct fb_cmap_user cmap; /* color map info */
489};
490
491struct fb_cursor_user {
492 __u16 set; /* what to set */
493 __u16 enable; /* cursor on/off */
494 __u16 rop; /* bitop operation */
495 const char __user *mask; /* cursor mask bits */
496 struct fbcurpos hot; /* cursor hot spot */
497 struct fb_image_user image; /* Cursor image */
498};
499
500/*
501 * Register/unregister for framebuffer events
502 */
503
504/* The resolution of the passed in fb_info about to change */
505#define FB_EVENT_MODE_CHANGE 0x01
506/* The display on this fb_info is beeing suspended, no access to the
507 * framebuffer is allowed any more after that call returns
508 */
509#define FB_EVENT_SUSPEND 0x02
510/* The display on this fb_info was resumed, you can restore the display
511 * if you own it
512 */
513#define FB_EVENT_RESUME 0x03
514/* An entry from the modelist was removed */
515#define FB_EVENT_MODE_DELETE 0x04
516/* A driver registered itself */
517#define FB_EVENT_FB_REGISTERED 0x05
518/* A driver unregistered itself */
519#define FB_EVENT_FB_UNREGISTERED 0x06
520/* CONSOLE-SPECIFIC: get console to framebuffer mapping */
521#define FB_EVENT_GET_CONSOLE_MAP 0x07
522/* CONSOLE-SPECIFIC: set console to framebuffer mapping */
523#define FB_EVENT_SET_CONSOLE_MAP 0x08
524/* A hardware display blank change occured */
525#define FB_EVENT_BLANK 0x09
526/* Private modelist is to be replaced */
527#define FB_EVENT_NEW_MODELIST 0x0A
528/* The resolution of the passed in fb_info about to change and
529 all vc's should be changed */
530#define FB_EVENT_MODE_CHANGE_ALL 0x0B
531/* A software display blank change occured */
532#define FB_EVENT_CONBLANK 0x0C
533/* Get drawing requirements */
534#define FB_EVENT_GET_REQ 0x0D
535/* Unbind from the console if possible */
536#define FB_EVENT_FB_UNBIND 0x0E
537
538struct fb_event {
539 struct fb_info *info;
540 void *data;
541};
542
543struct fb_blit_caps {
544 u32 x;
545 u32 y;
546 u32 len;
547 u32 flags;
548};
549
550extern int fb_register_client(struct notifier_block *nb);
551extern int fb_unregister_client(struct notifier_block *nb);
552extern int fb_notifier_call_chain(unsigned long val, void *v);
553/*
554 * Pixmap structure definition
555 *
556 * The purpose of this structure is to translate data
557 * from the hardware independent format of fbdev to what
558 * format the hardware needs.
559 */
560
561#define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */
562#define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */
563#define FB_PIXMAP_IO 4 /* memory is iomapped */
564#define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */
565
566struct fb_pixmap {
567 u8 *addr; /* pointer to memory */
568 u32 size; /* size of buffer in bytes */
569 u32 offset; /* current offset to buffer */
570 u32 buf_align; /* byte alignment of each bitmap */
571 u32 scan_align; /* alignment per scanline */
572 u32 access_align; /* alignment per read/write (bits) */
573 u32 flags; /* see FB_PIXMAP_* */
574 u32 blit_x; /* supported bit block dimensions (1-32)*/
575 u32 blit_y; /* Format: blit_x = 1 << (width - 1) */
576 /* blit_y = 1 << (height - 1) */
577 /* if 0, will be set to 0xffffffff (all)*/
578 /* access methods */
579 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
580 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
581};
582
583#ifdef CONFIG_FB_DEFERRED_IO
584struct fb_deferred_io {
585 /* delay between mkwrite and deferred handler */
586 unsigned long delay;
587 struct mutex lock; /* mutex that protects the page list */
588 struct list_head pagelist; /* list of touched pages */
589 /* callback */
590 void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
591};
592#endif
593
594/*
595 * Frame buffer operations
596 *
597 * LOCKING NOTE: those functions must _ALL_ be called with the console
598 * semaphore held, this is the only suitable locking mechanism we have
599 * in 2.6. Some may be called at interrupt time at this point though.
600 */
601
602struct fb_ops {
603 /* open/release and usage marking */
604 struct module *owner;
605 int (*fb_open)(struct fb_info *info, int user);
606 int (*fb_release)(struct fb_info *info, int user);
607
608 /* For framebuffers with strange non linear layouts or that do not
609 * work with normal memory mapped access
610 */
611 ssize_t (*fb_read)(struct fb_info *info, char __user *buf,
612 size_t count, loff_t *ppos);
613 ssize_t (*fb_write)(struct fb_info *info, const char __user *buf,
614 size_t count, loff_t *ppos);
615
616 /* checks var and eventually tweaks it to something supported,
617 * DO NOT MODIFY PAR */
618 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
619
620 /* set the video mode according to info->var */
621 int (*fb_set_par)(struct fb_info *info);
622
623 /* set color register */
624 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
625 unsigned blue, unsigned transp, struct fb_info *info);
626
627 /* set color registers in batch */
628 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
629
630 /* blank display */
631 int (*fb_blank)(int blank, struct fb_info *info);
632
633 /* pan display */
634 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
635
636 /* Draws a rectangle */
637 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
638 /* Copy data from area to another */
639 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
640 /* Draws a image to the display */
641 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
642
643 /* Draws cursor */
644 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
645
646 /* Rotates the display */
647 void (*fb_rotate)(struct fb_info *info, int angle);
648
649 /* wait for blit idle, optional */
650 int (*fb_sync)(struct fb_info *info);
651
652 /* perform fb specific ioctl (optional) */
653 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
654 unsigned long arg);
655
656 /* Handle 32bit compat ioctl (optional) */
657 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
658 unsigned long arg);
659
660 /* perform fb specific mmap */
661 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
662
663 /* save current hardware state */
664 void (*fb_save_state)(struct fb_info *info);
665
666 /* restore saved state */
667 void (*fb_restore_state)(struct fb_info *info);
668
669 /* get capability given var */
670 void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps,
671 struct fb_var_screeninfo *var);
672};
673
674#ifdef CONFIG_FB_TILEBLITTING
675#define FB_TILE_CURSOR_NONE 0
676#define FB_TILE_CURSOR_UNDERLINE 1
677#define FB_TILE_CURSOR_LOWER_THIRD 2
678#define FB_TILE_CURSOR_LOWER_HALF 3
679#define FB_TILE_CURSOR_TWO_THIRDS 4
680#define FB_TILE_CURSOR_BLOCK 5
681
682struct fb_tilemap {
683 __u32 width; /* width of each tile in pixels */
684 __u32 height; /* height of each tile in scanlines */
685 __u32 depth; /* color depth of each tile */
686 __u32 length; /* number of tiles in the map */
687 const __u8 *data; /* actual tile map: a bitmap array, packed
688 to the nearest byte */
689};
690
691struct fb_tilerect {
692 __u32 sx; /* origin in the x-axis */
693 __u32 sy; /* origin in the y-axis */
694 __u32 width; /* number of tiles in the x-axis */
695 __u32 height; /* number of tiles in the y-axis */
696 __u32 index; /* what tile to use: index to tile map */
697 __u32 fg; /* foreground color */
698 __u32 bg; /* background color */
699 __u32 rop; /* raster operation */
700};
701
702struct fb_tilearea {
703 __u32 sx; /* source origin in the x-axis */
704 __u32 sy; /* source origin in the y-axis */
705 __u32 dx; /* destination origin in the x-axis */
706 __u32 dy; /* destination origin in the y-axis */
707 __u32 width; /* number of tiles in the x-axis */
708 __u32 height; /* number of tiles in the y-axis */
709};
710
711struct fb_tileblit {
712 __u32 sx; /* origin in the x-axis */
713 __u32 sy; /* 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 __u32 fg; /* foreground color */
717 __u32 bg; /* background color */
718 __u32 length; /* number of tiles to draw */
719 __u32 *indices; /* array of indices to tile map */
720};
721
722struct fb_tilecursor {
723 __u32 sx; /* cursor position in the x-axis */
724 __u32 sy; /* cursor position in the y-axis */
725 __u32 mode; /* 0 = erase, 1 = draw */
726 __u32 shape; /* see FB_TILE_CURSOR_* */
727 __u32 fg; /* foreground color */
728 __u32 bg; /* background color */
729};
730
731struct fb_tile_ops {
732 /* set tile characteristics */
733 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
734
735 /* all dimensions from hereon are in terms of tiles */
736
737 /* move a rectangular region of tiles from one area to another*/
738 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
739 /* fill a rectangular region with a tile */
740 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
741 /* copy an array of tiles */
742 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
743 /* cursor */
744 void (*fb_tilecursor)(struct fb_info *info,
745 struct fb_tilecursor *cursor);
746 /* get maximum length of the tile map */
747 int (*fb_get_tilemax)(struct fb_info *info);
748};
749#endif /* CONFIG_FB_TILEBLITTING */
750
751/* FBINFO_* = fb_info.flags bit flags */
752#define FBINFO_MODULE 0x0001 /* Low-level driver is a module */
753#define FBINFO_HWACCEL_DISABLED 0x0002
754 /* When FBINFO_HWACCEL_DISABLED is set:
755 * Hardware acceleration is turned off. Software implementations
756 * of required functions (copyarea(), fillrect(), and imageblit())
757 * takes over; acceleration engine should be in a quiescent state */
758
759/* hints */
760#define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */
761#define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */
762
763/* hardware supported ops */
764/* semantics: when a bit is set, it indicates that the operation is
765 * accelerated by hardware.
766 * required functions will still work even if the bit is not set.
767 * optional functions may not even exist if the flag bit is not set.
768 */
769#define FBINFO_HWACCEL_NONE 0x0000
770#define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */
771#define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */
772#define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */
773#define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */
774#define FBINFO_HWACCEL_XPAN 0x1000 /* optional */
775#define FBINFO_HWACCEL_YPAN 0x2000 /* optional */
776#define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */
777
778#define FBINFO_MISC_USEREVENT 0x10000 /* event request
779 from userspace */
780#define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */
781
782/* A driver may set this flag to indicate that it does want a set_par to be
783 * called every time when fbcon_switch is executed. The advantage is that with
784 * this flag set you can really be sure that set_par is always called before
785 * any of the functions dependant on the correct hardware state or altering
786 * that state, even if you are using some broken X releases. The disadvantage
787 * is that it introduces unwanted delays to every console switch if set_par
788 * is slow. It is a good idea to try this flag in the drivers initialization
789 * code whenever there is a bug report related to switching between X and the
790 * framebuffer console.
791 */
792#define FBINFO_MISC_ALWAYS_SETPAR 0x40000
793
794/*
795 * Host and GPU endianness differ.
796 */
797#define FBINFO_FOREIGN_ENDIAN 0x100000
798/*
799 * Big endian math. This is the same flags as above, but with different
800 * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag
801 * and host endianness. Drivers should not use this flag.
802 */
803#define FBINFO_BE_MATH 0x100000
804
805struct fb_info {
806 int node;
807 int flags;
808 struct fb_var_screeninfo var; /* Current var */
809 struct fb_fix_screeninfo fix; /* Current fix */
810 struct fb_monspecs monspecs; /* Current Monitor specs */
811 struct work_struct queue; /* Framebuffer event queue */
812 struct fb_pixmap pixmap; /* Image hardware mapper */
813 struct fb_pixmap sprite; /* Cursor hardware mapper */
814 struct fb_cmap cmap; /* Current cmap */
815 struct list_head modelist; /* mode list */
816 struct fb_videomode *mode; /* current mode */
817
818#ifdef CONFIG_FB_BACKLIGHT
819 /* assigned backlight device */
820 /* set before framebuffer registration,
821 remove after unregister */
822 struct backlight_device *bl_dev;
823
824 /* Backlight level curve */
825 struct mutex bl_curve_mutex;
826 u8 bl_curve[FB_BACKLIGHT_LEVELS];
827#endif
828#ifdef CONFIG_FB_DEFERRED_IO
829 struct delayed_work deferred_work;
830 struct fb_deferred_io *fbdefio;
831#endif
832
833 struct fb_ops *fbops;
834 struct device *device; /* This is the parent */
835 struct device *dev; /* This is this fb device */
836 int class_flag; /* private sysfs flags */
837#ifdef CONFIG_FB_TILEBLITTING
838 struct fb_tile_ops *tileops; /* Tile Blitting */
839#endif
840 char __iomem *screen_base; /* Virtual address */
841 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */
842 void *pseudo_palette; /* Fake palette of 16 colors */
843#define FBINFO_STATE_RUNNING 0
844#define FBINFO_STATE_SUSPENDED 1
845 u32 state; /* Hardware state i.e suspend */
846 void *fbcon_par; /* fbcon use-only private area */
847 /* From here on everything is device dependent */
848 void *par;
849};
850
851#ifdef MODULE
852#define FBINFO_DEFAULT FBINFO_MODULE
853#else
854#define FBINFO_DEFAULT 0
855#endif
856
857// This will go away
858#define FBINFO_FLAG_MODULE FBINFO_MODULE
859#define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT
860
861/* This will go away
862 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
863 * when it wants to turn the acceleration engine on. This is
864 * really a separate operation, and should be modified via sysfs.
865 * But for now, we leave it broken with the following define
866 */
867#define STUPID_ACCELF_TEXT_SHIT
868
869// This will go away
870#if defined(__sparc__)
871
872/* We map all of our framebuffers such that big-endian accesses
873 * are what we want, so the following is sufficient.
874 */
875
876// This will go away
877#define fb_readb sbus_readb
878#define fb_readw sbus_readw
879#define fb_readl sbus_readl
880#define fb_readq sbus_readq
881#define fb_writeb sbus_writeb
882#define fb_writew sbus_writew
883#define fb_writel sbus_writel
884#define fb_writeq sbus_writeq
885#define fb_memset sbus_memset_io
886
887#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__) || defined(__avr32__)
888
889#define fb_readb __raw_readb
890#define fb_readw __raw_readw
891#define fb_readl __raw_readl
892#define fb_readq __raw_readq
893#define fb_writeb __raw_writeb
894#define fb_writew __raw_writew
895#define fb_writel __raw_writel
896#define fb_writeq __raw_writeq
897#define fb_memset memset_io
898
899#else
900
901#define fb_readb(addr) (*(volatile u8 *) (addr))
902#define fb_readw(addr) (*(volatile u16 *) (addr))
903#define fb_readl(addr) (*(volatile u32 *) (addr))
904#define fb_readq(addr) (*(volatile u64 *) (addr))
905#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
906#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
907#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
908#define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
909#define fb_memset memset
910
911#endif
912
913#define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0)
914#define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \
915 (val) << (bits))
916#define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \
917 (val) >> (bits))
918
919 /*
920 * `Generic' versions of the frame buffer device operations
921 */
922
923extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
924extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
925extern int fb_blank(struct fb_info *info, int blank);
926extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
927extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
928extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
929/*
930 * Drawing operations where framebuffer is in system RAM
931 */
932extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
933extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area);
934extern void sys_imageblit(struct fb_info *info, const struct fb_image *image);
935extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
936 size_t count, loff_t *ppos);
937extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
938 size_t count, loff_t *ppos);
939
940/* drivers/video/fbmem.c */
941extern int register_framebuffer(struct fb_info *fb_info);
942extern int unregister_framebuffer(struct fb_info *fb_info);
943extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
944extern int fb_show_logo(struct fb_info *fb_info, int rotate);
945extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
946extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
947 u32 height, u32 shift_high, u32 shift_low, u32 mod);
948extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
949extern void fb_set_suspend(struct fb_info *info, int state);
950extern int fb_get_color_depth(struct fb_var_screeninfo *var,
951 struct fb_fix_screeninfo *fix);
952extern int fb_get_options(char *name, char **option);
953extern int fb_new_modelist(struct fb_info *info);
954
955extern struct fb_info *registered_fb[FB_MAX];
956extern int num_registered_fb;
957extern struct class *fb_class;
958
959static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
960 u8 *src, u32 s_pitch, u32 height)
961{
962 int i, j;
963
964 d_pitch -= s_pitch;
965
966 for (i = height; i--; ) {
967 /* s_pitch is a few bytes at the most, memcpy is suboptimal */
968 for (j = 0; j < s_pitch; j++)
969 *dst++ = *src++;
970 dst += d_pitch;
971 }
972}
973
974/* drivers/video/fb_defio.c */
975extern void fb_deferred_io_init(struct fb_info *info);
976extern void fb_deferred_io_cleanup(struct fb_info *info);
977extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry,
978 int datasync);
979
980static inline bool fb_be_math(struct fb_info *info)
981{
982#ifdef CONFIG_FB_FOREIGN_ENDIAN
983#if defined(CONFIG_FB_BOTH_ENDIAN)
984 return info->flags & FBINFO_BE_MATH;
985#elif defined(CONFIG_FB_BIG_ENDIAN)
986 return true;
987#elif defined(CONFIG_FB_LITTLE_ENDIAN)
988 return false;
989#endif /* CONFIG_FB_BOTH_ENDIAN */
990#else
991#ifdef __BIG_ENDIAN
992 return true;
993#else
994 return false;
995#endif /* __BIG_ENDIAN */
996#endif /* CONFIG_FB_FOREIGN_ENDIAN */
997}
998
999/* drivers/video/fbsysfs.c */
1000extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
1001extern void framebuffer_release(struct fb_info *info);
1002extern int fb_init_device(struct fb_info *fb_info);
1003extern void fb_cleanup_device(struct fb_info *head);
1004extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
1005
1006/* drivers/video/fbmon.c */
1007#define FB_MAXTIMINGS 0
1008#define FB_VSYNCTIMINGS 1
1009#define FB_HSYNCTIMINGS 2
1010#define FB_DCLKTIMINGS 3
1011#define FB_IGNOREMON 0x100
1012
1013#define FB_MODE_IS_UNKNOWN 0
1014#define FB_MODE_IS_DETAILED 1
1015#define FB_MODE_IS_STANDARD 2
1016#define FB_MODE_IS_VESA 4
1017#define FB_MODE_IS_CALCULATED 8
1018#define FB_MODE_IS_FIRST 16
1019#define FB_MODE_IS_FROM_VAR 32
1020
1021extern int fbmon_dpms(const struct fb_info *fb_info);
1022extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
1023 struct fb_info *info);
1024extern int fb_validate_mode(const struct fb_var_screeninfo *var,
1025 struct fb_info *info);
1026extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
1027extern const unsigned char *fb_firmware_edid(struct device *device);
1028extern void fb_edid_to_monspecs(unsigned char *edid,
1029 struct fb_monspecs *specs);
1030extern void fb_destroy_modedb(struct fb_videomode *modedb);
1031extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
1032extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
1033
1034/* drivers/video/modedb.c */
1035#define VESA_MODEDB_SIZE 34
1036extern void fb_var_to_videomode(struct fb_videomode *mode,
1037 const struct fb_var_screeninfo *var);
1038extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
1039 const struct fb_videomode *mode);
1040extern int fb_mode_is_equal(const struct fb_videomode *mode1,
1041 const struct fb_videomode *mode2);
1042extern int fb_add_videomode(const struct fb_videomode *mode,
1043 struct list_head *head);
1044extern void fb_delete_videomode(const struct fb_videomode *mode,
1045 struct list_head *head);
1046extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
1047 struct list_head *head);
1048extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
1049 struct list_head *head);
1050extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
1051 struct list_head *head);
1052extern void fb_destroy_modelist(struct list_head *head);
1053extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
1054 struct list_head *head);
1055extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
1056 struct list_head *head);
1057
1058/* drivers/video/fbcmap.c */
1059extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
1060extern void fb_dealloc_cmap(struct fb_cmap *cmap);
1061extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
1062extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
1063extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
1064extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
1065extern const struct fb_cmap *fb_default_cmap(int len);
1066extern void fb_invert_cmaps(void);
1067
1068struct fb_videomode {
1069 const char *name; /* optional */
1070 u32 refresh; /* optional */
1071 u32 xres;
1072 u32 yres;
1073 u32 pixclock;
1074 u32 left_margin;
1075 u32 right_margin;
1076 u32 upper_margin;
1077 u32 lower_margin;
1078 u32 hsync_len;
1079 u32 vsync_len;
1080 u32 sync;
1081 u32 vmode;
1082 u32 flag;
1083};
1084
1085extern const char *fb_mode_option;
1086extern const struct fb_videomode vesa_modes[];
1087
1088struct fb_modelist {
1089 struct list_head list;
1090 struct fb_videomode mode;
1091};
1092
1093extern int fb_find_mode(struct fb_var_screeninfo *var,
1094 struct fb_info *info, const char *mode_option,
1095 const struct fb_videomode *db,
1096 unsigned int dbsize,
1097 const struct fb_videomode *default_mode,
1098 unsigned int default_bpp);
1099
1100#endif /* __KERNEL__ */
1101
1102#endif /* _LINUX_FB_H */