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new retransmit part 3
[cor_2_6_31.git] / include / linux / fb.h
blobf847df9e99b6f4fcd44991e757c1d5b7ca50681a
1 #ifndef _LINUX_FB_H
2 #define _LINUX_FB_H
3
4 #include <linux/types.h>
5 #include <linux/i2c.h>
6
7 struct dentry;
8
9 /* Definitions of frame buffers */
10
11 #define FB_MAX 32 /* sufficient for now */
12
13 /* ioctls
14 0x46 is 'F' */
15 #define FBIOGET_VSCREENINFO 0x4600
16 #define FBIOPUT_VSCREENINFO 0x4601
17 #define FBIOGET_FSCREENINFO 0x4602
18 #define FBIOGETCMAP 0x4604
19 #define FBIOPUTCMAP 0x4605
20 #define FBIOPAN_DISPLAY 0x4606
21 #ifdef __KERNEL__
22 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
23 #else
24 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor)
25 #endif
26 /* 0x4607-0x460B are defined below */
27 /* #define FBIOGET_MONITORSPEC 0x460C */
28 /* #define FBIOPUT_MONITORSPEC 0x460D */
29 /* #define FBIOSWITCH_MONIBIT 0x460E */
30 #define FBIOGET_CON2FBMAP 0x460F
31 #define FBIOPUT_CON2FBMAP 0x4610
32 #define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */
33 #define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank)
34 #define FBIO_ALLOC 0x4613
35 #define FBIO_FREE 0x4614
36 #define FBIOGET_GLYPH 0x4615
37 #define FBIOGET_HWCINFO 0x4616
38 #define FBIOPUT_MODEINFO 0x4617
39 #define FBIOGET_DISPINFO 0x4618
40
41
42 #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
43 #define FB_TYPE_PLANES 1 /* Non interleaved planes */
44 #define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
45 #define FB_TYPE_TEXT 3 /* Text/attributes */
46 #define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */
47
48 #define FB_AUX_TEXT_MDA 0 /* Monochrome text */
49 #define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */
50 #define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */
51 #define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */
52 #define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */
53 #define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */
54 #define FB_AUX_TEXT_SVGA_MASK 7 /* lower three bits says step */
55 #define FB_AUX_TEXT_SVGA_STEP2 8 /* SVGA text mode: text, attr */
56 #define FB_AUX_TEXT_SVGA_STEP4 9 /* SVGA text mode: text, attr, 2 reserved bytes */
57 #define FB_AUX_TEXT_SVGA_STEP8 10 /* SVGA text mode: text, attr, 6 reserved bytes */
58 #define FB_AUX_TEXT_SVGA_STEP16 11 /* SVGA text mode: text, attr, 14 reserved bytes */
59 #define FB_AUX_TEXT_SVGA_LAST 15 /* reserved up to 15 */
60
61 #define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
62 #define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
63 #define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */
64
65 #define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
66 #define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
67 #define FB_VISUAL_TRUECOLOR 2 /* True color */
68 #define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
69 #define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
70 #define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
71
72 #define FB_ACCEL_NONE 0 /* no hardware accelerator */
73 #define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */
74 #define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */
75 #define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */
76 #define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */
77 #define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */
78 #define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */
79 #define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */
80 #define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */
81 #define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */
82 #define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */
83 #define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */
84 #define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */
85 #define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */
86 #define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */
87 #define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */
88 #define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */
89 #define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */
90 #define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */
91 #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
92 #define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */
93 #define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */
94 #define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */
95 #define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */
96 #define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */
97 #define FB_ACCEL_SUN_TCX 25 /* Sun tcx */
98 #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
99 #define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */
100 #define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */
101 #define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */
102 #define FB_ACCEL_CT_6555x 30 /* C&T 6555x */
103 #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
104 #define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */
105 #define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */
106 #define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */
107 #define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */
108 #define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */
109 #define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
110 #define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
111 #define FB_ACCEL_I810 39 /* Intel 810/815 */
112 #define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
113 #define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
114 #define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */
115 #define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */
116 #define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */
117 #define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */
118 #define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */
119 #define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */
120 #define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */
121 #define FB_ACCEL_OMAP1610 49 /* TI OMAP16xx */
122 #define FB_ACCEL_TRIDENT_TGUI 50 /* Trident TGUI */
123 #define FB_ACCEL_TRIDENT_3DIMAGE 51 /* Trident 3DImage */
124 #define FB_ACCEL_TRIDENT_BLADE3D 52 /* Trident Blade3D */
125 #define FB_ACCEL_TRIDENT_BLADEXP 53 /* Trident BladeXP */
126 #define FB_ACCEL_CIRRUS_ALPINE 53 /* Cirrus Logic 543x/544x/5480 */
127 #define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */
128 #define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */
129 #define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */
130 #define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */
131 #define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */
132 #define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */
133 #define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */
134 #define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */
135 #define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */
136
137 #define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */
138 #define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */
139 #define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */
140 #define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */
141 #define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */
142 #define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */
143 #define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */
144 #define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */
145 #define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */
146 #define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */
147 #define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */
148 #define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */
149 #define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */
150 #define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */
151 #define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */
152
153 struct fb_fix_screeninfo {
154 char id[16]; /* identification string eg "TT Builtin" */
155 unsigned long smem_start; /* Start of frame buffer mem */
156 /* (physical address) */
157 __u32 smem_len; /* Length of frame buffer mem */
158 __u32 type; /* see FB_TYPE_* */
159 __u32 type_aux; /* Interleave for interleaved Planes */
160 __u32 visual; /* see FB_VISUAL_* */
161 __u16 xpanstep; /* zero if no hardware panning */
162 __u16 ypanstep; /* zero if no hardware panning */
163 __u16 ywrapstep; /* zero if no hardware ywrap */
164 __u32 line_length; /* length of a line in bytes */
165 unsigned long mmio_start; /* Start of Memory Mapped I/O */
166 /* (physical address) */
167 __u32 mmio_len; /* Length of Memory Mapped I/O */
168 __u32 accel; /* Indicate to driver which */
169 /* specific chip/card we have */
170 __u16 reserved[3]; /* Reserved for future compatibility */
171 };
172
173 /* Interpretation of offset for color fields: All offsets are from the right,
174 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
175 * can use the offset as right argument to <<). A pixel afterwards is a bit
176 * stream and is written to video memory as that unmodified.
177 *
178 * For pseudocolor: offset and length should be the same for all color
179 * components. Offset specifies the position of the least significant bit
180 * of the pallette index in a pixel value. Length indicates the number
181 * of available palette entries (i.e. # of entries = 1 << length).
182 */
183 struct fb_bitfield {
184 __u32 offset; /* beginning of bitfield */
185 __u32 length; /* length of bitfield */
186 __u32 msb_right; /* != 0 : Most significant bit is */
187 /* right */
188 };
189
190 #define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
191 #define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */
192
193 #define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
194 #define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
195 #define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
196 #define FB_ACTIVATE_MASK 15
197 /* values */
198 #define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
199 #define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
200 #define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
201 #define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/
202 #define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */
203
204 #define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */
205
206 #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
207 #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
208 #define FB_SYNC_EXT 4 /* external sync */
209 #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
210 #define FB_SYNC_BROADCAST 16 /* broadcast video timings */
211 /* vtotal = 144d/288n/576i => PAL */
212 /* vtotal = 121d/242n/484i => NTSC */
213 #define FB_SYNC_ON_GREEN 32 /* sync on green */
214
215 #define FB_VMODE_NONINTERLACED 0 /* non interlaced */
216 #define FB_VMODE_INTERLACED 1 /* interlaced */
217 #define FB_VMODE_DOUBLE 2 /* double scan */
218 #define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */
219 #define FB_VMODE_MASK 255
220
221 #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
222 #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
223 #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
224
225 /*
226 * Display rotation support
227 */
228 #define FB_ROTATE_UR 0
229 #define FB_ROTATE_CW 1
230 #define FB_ROTATE_UD 2
231 #define FB_ROTATE_CCW 3
232
233 #define PICOS2KHZ(a) (1000000000UL/(a))
234 #define KHZ2PICOS(a) (1000000000UL/(a))
235
236 struct fb_var_screeninfo {
237 __u32 xres; /* visible resolution */
238 __u32 yres;
239 __u32 xres_virtual; /* virtual resolution */
240 __u32 yres_virtual;
241 __u32 xoffset; /* offset from virtual to visible */
242 __u32 yoffset; /* resolution */
243
244 __u32 bits_per_pixel; /* guess what */
245 __u32 grayscale; /* != 0 Graylevels instead of colors */
246
247 struct fb_bitfield red; /* bitfield in fb mem if true color, */
248 struct fb_bitfield green; /* else only length is significant */
249 struct fb_bitfield blue;
250 struct fb_bitfield transp; /* transparency */
251
252 __u32 nonstd; /* != 0 Non standard pixel format */
253
254 __u32 activate; /* see FB_ACTIVATE_* */
255
256 __u32 height; /* height of picture in mm */
257 __u32 width; /* width of picture in mm */
258
259 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */
260
261 /* Timing: All values in pixclocks, except pixclock (of course) */
262 __u32 pixclock; /* pixel clock in ps (pico seconds) */
263 __u32 left_margin; /* time from sync to picture */
264 __u32 right_margin; /* time from picture to sync */
265 __u32 upper_margin; /* time from sync to picture */
266 __u32 lower_margin;
267 __u32 hsync_len; /* length of horizontal sync */
268 __u32 vsync_len; /* length of vertical sync */
269 __u32 sync; /* see FB_SYNC_* */
270 __u32 vmode; /* see FB_VMODE_* */
271 __u32 rotate; /* angle we rotate counter clockwise */
272 __u32 reserved[5]; /* Reserved for future compatibility */
273 };
274
275 struct fb_cmap {
276 __u32 start; /* First entry */
277 __u32 len; /* Number of entries */
278 __u16 *red; /* Red values */
279 __u16 *green;
280 __u16 *blue;
281 __u16 *transp; /* transparency, can be NULL */
282 };
283
284 struct fb_con2fbmap {
285 __u32 console;
286 __u32 framebuffer;
287 };
288
289 /* VESA Blanking Levels */
290 #define VESA_NO_BLANKING 0
291 #define VESA_VSYNC_SUSPEND 1
292 #define VESA_HSYNC_SUSPEND 2
293 #define VESA_POWERDOWN 3
294
295
296 enum {
297 /* screen: unblanked, hsync: on, vsync: on */
298 FB_BLANK_UNBLANK = VESA_NO_BLANKING,
299
300 /* screen: blanked, hsync: on, vsync: on */
301 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1,
302
303 /* screen: blanked, hsync: on, vsync: off */
304 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
305
306 /* screen: blanked, hsync: off, vsync: on */
307 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
308
309 /* screen: blanked, hsync: off, vsync: off */
310 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1
311 };
312
313 #define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
314 #define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
315 #define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
316 #define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
317 #define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
318 #define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
319 #define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
320 #define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
321 #define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
322
323 struct fb_vblank {
324 __u32 flags; /* FB_VBLANK flags */
325 __u32 count; /* counter of retraces since boot */
326 __u32 vcount; /* current scanline position */
327 __u32 hcount; /* current scandot position */
328 __u32 reserved[4]; /* reserved for future compatibility */
329 };
330
331 /* Internal HW accel */
332 #define ROP_COPY 0
333 #define ROP_XOR 1
334
335 struct fb_copyarea {
336 __u32 dx;
337 __u32 dy;
338 __u32 width;
339 __u32 height;
340 __u32 sx;
341 __u32 sy;
342 };
343
344 struct fb_fillrect {
345 __u32 dx; /* screen-relative */
346 __u32 dy;
347 __u32 width;
348 __u32 height;
349 __u32 color;
350 __u32 rop;
351 };
352
353 struct fb_image {
354 __u32 dx; /* Where to place image */
355 __u32 dy;
356 __u32 width; /* Size of image */
357 __u32 height;
358 __u32 fg_color; /* Only used when a mono bitmap */
359 __u32 bg_color;
360 __u8 depth; /* Depth of the image */
361 const char *data; /* Pointer to image data */
362 struct fb_cmap cmap; /* color map info */
363 };
364
365 /*
366 * hardware cursor control
367 */
368
369 #define FB_CUR_SETIMAGE 0x01
370 #define FB_CUR_SETPOS 0x02
371 #define FB_CUR_SETHOT 0x04
372 #define FB_CUR_SETCMAP 0x08
373 #define FB_CUR_SETSHAPE 0x10
374 #define FB_CUR_SETSIZE 0x20
375 #define FB_CUR_SETALL 0xFF
376
377 struct fbcurpos {
378 __u16 x, y;
379 };
380
381 struct fb_cursor {
382 __u16 set; /* what to set */
383 __u16 enable; /* cursor on/off */
384 __u16 rop; /* bitop operation */
385 const char *mask; /* cursor mask bits */
386 struct fbcurpos hot; /* cursor hot spot */
387 struct fb_image image; /* Cursor image */
388 };
389
390 #ifdef CONFIG_FB_BACKLIGHT
391 /* Settings for the generic backlight code */
392 #define FB_BACKLIGHT_LEVELS 128
393 #define FB_BACKLIGHT_MAX 0xFF
394 #endif
395
396 #ifdef __KERNEL__
397
398 #include <linux/fs.h>
399 #include <linux/init.h>
400 #include <linux/device.h>
401 #include <linux/workqueue.h>
402 #include <linux/notifier.h>
403 #include <linux/list.h>
404 #include <linux/backlight.h>
405 #include <asm/io.h>
406
407 struct vm_area_struct;
408 struct fb_info;
409 struct device;
410 struct 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 */
437 struct 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
448 struct 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
478 struct 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
487 struct 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
499 struct 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
546 struct fb_event {
547 struct fb_info *info;
548 void *data;
549 };
550
551 struct fb_blit_caps {
552 u32 x;
553 u32 y;
554 u32 len;
555 u32 flags;
556 };
557
558 extern int fb_register_client(struct notifier_block *nb);
559 extern int fb_unregister_client(struct notifier_block *nb);
560 extern int fb_notifier_call_chain(unsigned long val, void *v);
561 /*
562 * Pixmap structure definition
563 *
564 * The purpose of this structure is to translate data
565 * from the hardware independent format of fbdev to what
566 * format the hardware needs.
567 */
568
569 #define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */
570 #define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */
571 #define FB_PIXMAP_IO 4 /* memory is iomapped */
572 #define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */
573
574 struct fb_pixmap {
575 u8 *addr; /* pointer to memory */
576 u32 size; /* size of buffer in bytes */
577 u32 offset; /* current offset to buffer */
578 u32 buf_align; /* byte alignment of each bitmap */
579 u32 scan_align; /* alignment per scanline */
580 u32 access_align; /* alignment per read/write (bits) */
581 u32 flags; /* see FB_PIXMAP_* */
582 u32 blit_x; /* supported bit block dimensions (1-32)*/
583 u32 blit_y; /* Format: blit_x = 1 << (width - 1) */
584 /* blit_y = 1 << (height - 1) */
585 /* if 0, will be set to 0xffffffff (all)*/
586 /* access methods */
587 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
588 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
589 };
590
591 #ifdef CONFIG_FB_DEFERRED_IO
592 struct fb_deferred_io {
593 /* delay between mkwrite and deferred handler */
594 unsigned long delay;
595 struct mutex lock; /* mutex that protects the page list */
596 struct list_head pagelist; /* list of touched pages */
597 /* callback */
598 void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
599 };
600 #endif
601
602 /*
603 * Frame buffer operations
604 *
605 * LOCKING NOTE: those functions must _ALL_ be called with the console
606 * semaphore held, this is the only suitable locking mechanism we have
607 * in 2.6. Some may be called at interrupt time at this point though.
608 */
609
610 struct fb_ops {
611 /* open/release and usage marking */
612 struct module *owner;
613 int (*fb_open)(struct fb_info *info, int user);
614 int (*fb_release)(struct fb_info *info, int user);
615
616 /* For framebuffers with strange non linear layouts or that do not
617 * work with normal memory mapped access
618 */
619 ssize_t (*fb_read)(struct fb_info *info, char __user *buf,
620 size_t count, loff_t *ppos);
621 ssize_t (*fb_write)(struct fb_info *info, const char __user *buf,
622 size_t count, loff_t *ppos);
623
624 /* checks var and eventually tweaks it to something supported,
625 * DO NOT MODIFY PAR */
626 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
627
628 /* set the video mode according to info->var */
629 int (*fb_set_par)(struct fb_info *info);
630
631 /* set color register */
632 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
633 unsigned blue, unsigned transp, struct fb_info *info);
634
635 /* set color registers in batch */
636 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
637
638 /* blank display */
639 int (*fb_blank)(int blank, struct fb_info *info);
640
641 /* pan display */
642 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
643
644 /* Draws a rectangle */
645 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
646 /* Copy data from area to another */
647 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
648 /* Draws a image to the display */
649 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
650
651 /* Draws cursor */
652 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
653
654 /* Rotates the display */
655 void (*fb_rotate)(struct fb_info *info, int angle);
656
657 /* wait for blit idle, optional */
658 int (*fb_sync)(struct fb_info *info);
659
660 /* perform fb specific ioctl (optional) */
661 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
662 unsigned long arg);
663
664 /* Handle 32bit compat ioctl (optional) */
665 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
666 unsigned long arg);
667
668 /* perform fb specific mmap */
669 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
670
671 /* save current hardware state */
672 void (*fb_save_state)(struct fb_info *info);
673
674 /* restore saved state */
675 void (*fb_restore_state)(struct fb_info *info);
676
677 /* get capability given var */
678 void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps,
679 struct fb_var_screeninfo *var);
680
681 /* teardown any resources to do with this framebuffer */
682 void (*fb_destroy)(struct fb_info *info);
683 };
684
685 #ifdef CONFIG_FB_TILEBLITTING
686 #define FB_TILE_CURSOR_NONE 0
687 #define FB_TILE_CURSOR_UNDERLINE 1
688 #define FB_TILE_CURSOR_LOWER_THIRD 2
689 #define FB_TILE_CURSOR_LOWER_HALF 3
690 #define FB_TILE_CURSOR_TWO_THIRDS 4
691 #define FB_TILE_CURSOR_BLOCK 5
692
693 struct fb_tilemap {
694 __u32 width; /* width of each tile in pixels */
695 __u32 height; /* height of each tile in scanlines */
696 __u32 depth; /* color depth of each tile */
697 __u32 length; /* number of tiles in the map */
698 const __u8 *data; /* actual tile map: a bitmap array, packed
699 to the nearest byte */
700 };
701
702 struct fb_tilerect {
703 __u32 sx; /* origin in the x-axis */
704 __u32 sy; /* origin in the y-axis */
705 __u32 width; /* number of tiles in the x-axis */
706 __u32 height; /* number of tiles in the y-axis */
707 __u32 index; /* what tile to use: index to tile map */
708 __u32 fg; /* foreground color */
709 __u32 bg; /* background color */
710 __u32 rop; /* raster operation */
711 };
712
713 struct fb_tilearea {
714 __u32 sx; /* source origin in the x-axis */
715 __u32 sy; /* source origin in the y-axis */
716 __u32 dx; /* destination origin in the x-axis */
717 __u32 dy; /* destination origin in the y-axis */
718 __u32 width; /* number of tiles in the x-axis */
719 __u32 height; /* number of tiles in the y-axis */
720 };
721
722 struct fb_tileblit {
723 __u32 sx; /* origin in the x-axis */
724 __u32 sy; /* origin in the y-axis */
725 __u32 width; /* number of tiles in the x-axis */
726 __u32 height; /* number of tiles in the y-axis */
727 __u32 fg; /* foreground color */
728 __u32 bg; /* background color */
729 __u32 length; /* number of tiles to draw */
730 __u32 *indices; /* array of indices to tile map */
731 };
732
733 struct fb_tilecursor {
734 __u32 sx; /* cursor position in the x-axis */
735 __u32 sy; /* cursor position in the y-axis */
736 __u32 mode; /* 0 = erase, 1 = draw */
737 __u32 shape; /* see FB_TILE_CURSOR_* */
738 __u32 fg; /* foreground color */
739 __u32 bg; /* background color */
740 };
741
742 struct fb_tile_ops {
743 /* set tile characteristics */
744 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
745
746 /* all dimensions from hereon are in terms of tiles */
747
748 /* move a rectangular region of tiles from one area to another*/
749 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
750 /* fill a rectangular region with a tile */
751 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
752 /* copy an array of tiles */
753 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
754 /* cursor */
755 void (*fb_tilecursor)(struct fb_info *info,
756 struct fb_tilecursor *cursor);
757 /* get maximum length of the tile map */
758 int (*fb_get_tilemax)(struct fb_info *info);
759 };
760 #endif /* CONFIG_FB_TILEBLITTING */
761
762 /* FBINFO_* = fb_info.flags bit flags */
763 #define FBINFO_MODULE 0x0001 /* Low-level driver is a module */
764 #define FBINFO_HWACCEL_DISABLED 0x0002
765 /* When FBINFO_HWACCEL_DISABLED is set:
766 * Hardware acceleration is turned off. Software implementations
767 * of required functions (copyarea(), fillrect(), and imageblit())
768 * takes over; acceleration engine should be in a quiescent state */
769
770 /* hints */
771 #define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */
772 #define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */
773
774 /* hardware supported ops */
775 /* semantics: when a bit is set, it indicates that the operation is
776 * accelerated by hardware.
777 * required functions will still work even if the bit is not set.
778 * optional functions may not even exist if the flag bit is not set.
779 */
780 #define FBINFO_HWACCEL_NONE 0x0000
781 #define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */
782 #define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */
783 #define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */
784 #define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */
785 #define FBINFO_HWACCEL_XPAN 0x1000 /* optional */
786 #define FBINFO_HWACCEL_YPAN 0x2000 /* optional */
787 #define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */
788
789 #define FBINFO_MISC_USEREVENT 0x10000 /* event request
790 from userspace */
791 #define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */
792 #define FBINFO_MISC_FIRMWARE 0x40000 /* a replaceable firmware
793 inited framebuffer */
794
795 /* A driver may set this flag to indicate that it does want a set_par to be
796 * called every time when fbcon_switch is executed. The advantage is that with
797 * this flag set you can really be sure that set_par is always called before
798 * any of the functions dependant on the correct hardware state or altering
799 * that state, even if you are using some broken X releases. The disadvantage
800 * is that it introduces unwanted delays to every console switch if set_par
801 * is slow. It is a good idea to try this flag in the drivers initialization
802 * code whenever there is a bug report related to switching between X and the
803 * framebuffer console.
804 */
805 #define FBINFO_MISC_ALWAYS_SETPAR 0x40000
806
807 /*
808 * Host and GPU endianness differ.
809 */
810 #define FBINFO_FOREIGN_ENDIAN 0x100000
811 /*
812 * Big endian math. This is the same flags as above, but with different
813 * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag
814 * and host endianness. Drivers should not use this flag.
815 */
816 #define FBINFO_BE_MATH 0x100000
817
818 struct fb_info {
819 int node;
820 int flags;
821 struct mutex lock; /* Lock for open/release/ioctl funcs */
822 struct mutex mm_lock; /* Lock for fb_mmap and smem_* fields */
823 struct fb_var_screeninfo var; /* Current var */
824 struct fb_fix_screeninfo fix; /* Current fix */
825 struct fb_monspecs monspecs; /* Current Monitor specs */
826 struct work_struct queue; /* Framebuffer event queue */
827 struct fb_pixmap pixmap; /* Image hardware mapper */
828 struct fb_pixmap sprite; /* Cursor hardware mapper */
829 struct fb_cmap cmap; /* Current cmap */
830 struct list_head modelist; /* mode list */
831 struct fb_videomode *mode; /* current mode */
832
833 #ifdef CONFIG_FB_BACKLIGHT
834 /* assigned backlight device */
835 /* set before framebuffer registration,
836 remove after unregister */
837 struct backlight_device *bl_dev;
838
839 /* Backlight level curve */
840 struct mutex bl_curve_mutex;
841 u8 bl_curve[FB_BACKLIGHT_LEVELS];
842 #endif
843 #ifdef CONFIG_FB_DEFERRED_IO
844 struct delayed_work deferred_work;
845 struct fb_deferred_io *fbdefio;
846 #endif
847
848 struct fb_ops *fbops;
849 struct device *device; /* This is the parent */
850 struct device *dev; /* This is this fb device */
851 int class_flag; /* private sysfs flags */
852 #ifdef CONFIG_FB_TILEBLITTING
853 struct fb_tile_ops *tileops; /* Tile Blitting */
854 #endif
855 char __iomem *screen_base; /* Virtual address */
856 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */
857 void *pseudo_palette; /* Fake palette of 16 colors */
858 #define FBINFO_STATE_RUNNING 0
859 #define FBINFO_STATE_SUSPENDED 1
860 u32 state; /* Hardware state i.e suspend */
861 void *fbcon_par; /* fbcon use-only private area */
862 /* From here on everything is device dependent */
863 void *par;
864 /* we need the PCI or similiar aperture base/size not
865 smem_start/size as smem_start may just be an object
866 allocated inside the aperture so may not actually overlap */
867 resource_size_t aperture_base;
868 resource_size_t aperture_size;
869 };
870
871 #ifdef MODULE
872 #define FBINFO_DEFAULT FBINFO_MODULE
873 #else
874 #define FBINFO_DEFAULT 0
875 #endif
876
877 // This will go away
878 #define FBINFO_FLAG_MODULE FBINFO_MODULE
879 #define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT
880
881 /* This will go away
882 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
883 * when it wants to turn the acceleration engine on. This is
884 * really a separate operation, and should be modified via sysfs.
885 * But for now, we leave it broken with the following define
886 */
887 #define STUPID_ACCELF_TEXT_SHIT
888
889 // This will go away
890 #if defined(__sparc__)
891
892 /* We map all of our framebuffers such that big-endian accesses
893 * are what we want, so the following is sufficient.
894 */
895
896 // This will go away
897 #define fb_readb sbus_readb
898 #define fb_readw sbus_readw
899 #define fb_readl sbus_readl
900 #define fb_readq sbus_readq
901 #define fb_writeb sbus_writeb
902 #define fb_writew sbus_writew
903 #define fb_writel sbus_writel
904 #define fb_writeq sbus_writeq
905 #define fb_memset sbus_memset_io
906
907 #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__)
908
909 #define fb_readb __raw_readb
910 #define fb_readw __raw_readw
911 #define fb_readl __raw_readl
912 #define fb_readq __raw_readq
913 #define fb_writeb __raw_writeb
914 #define fb_writew __raw_writew
915 #define fb_writel __raw_writel
916 #define fb_writeq __raw_writeq
917 #define fb_memset memset_io
918
919 #else
920
921 #define fb_readb(addr) (*(volatile u8 *) (addr))
922 #define fb_readw(addr) (*(volatile u16 *) (addr))
923 #define fb_readl(addr) (*(volatile u32 *) (addr))
924 #define fb_readq(addr) (*(volatile u64 *) (addr))
925 #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
926 #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
927 #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
928 #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
929 #define fb_memset memset
930
931 #endif
932
933 #define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0)
934 #define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \
935 (val) << (bits))
936 #define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \
937 (val) >> (bits))
938
939 /*
940 * `Generic' versions of the frame buffer device operations
941 */
942
943 extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
944 extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
945 extern int fb_blank(struct fb_info *info, int blank);
946 extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
947 extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
948 extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
949 /*
950 * Drawing operations where framebuffer is in system RAM
951 */
952 extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
953 extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area);
954 extern void sys_imageblit(struct fb_info *info, const struct fb_image *image);
955 extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
956 size_t count, loff_t *ppos);
957 extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
958 size_t count, loff_t *ppos);
959
960 /* drivers/video/fbmem.c */
961 extern int register_framebuffer(struct fb_info *fb_info);
962 extern int unregister_framebuffer(struct fb_info *fb_info);
963 extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
964 extern int fb_show_logo(struct fb_info *fb_info, int rotate);
965 extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
966 extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
967 u32 height, u32 shift_high, u32 shift_low, u32 mod);
968 extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
969 extern void fb_set_suspend(struct fb_info *info, int state);
970 extern int fb_get_color_depth(struct fb_var_screeninfo *var,
971 struct fb_fix_screeninfo *fix);
972 extern int fb_get_options(char *name, char **option);
973 extern int fb_new_modelist(struct fb_info *info);
974
975 extern struct fb_info *registered_fb[FB_MAX];
976 extern int num_registered_fb;
977 extern struct class *fb_class;
978
979 extern int lock_fb_info(struct fb_info *info);
980
981 static inline void unlock_fb_info(struct fb_info *info)
982 {
983 mutex_unlock(&info->lock);
984 }
985
986 static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
987 u8 *src, u32 s_pitch, u32 height)
988 {
989 int i, j;
990
991 d_pitch -= s_pitch;
992
993 for (i = height; i--; ) {
994 /* s_pitch is a few bytes at the most, memcpy is suboptimal */
995 for (j = 0; j < s_pitch; j++)
996 *dst++ = *src++;
997 dst += d_pitch;
998 }
999 }
1000
1001 /* drivers/video/fb_defio.c */
1002 extern void fb_deferred_io_init(struct fb_info *info);
1003 extern void fb_deferred_io_open(struct fb_info *info,
1004 struct inode *inode,
1005 struct file *file);
1006 extern void fb_deferred_io_cleanup(struct fb_info *info);
1007 extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry,
1008 int datasync);
1009
1010 static inline bool fb_be_math(struct fb_info *info)
1011 {
1012 #ifdef CONFIG_FB_FOREIGN_ENDIAN
1013 #if defined(CONFIG_FB_BOTH_ENDIAN)
1014 return info->flags & FBINFO_BE_MATH;
1015 #elif defined(CONFIG_FB_BIG_ENDIAN)
1016 return true;
1017 #elif defined(CONFIG_FB_LITTLE_ENDIAN)
1018 return false;
1019 #endif /* CONFIG_FB_BOTH_ENDIAN */
1020 #else
1021 #ifdef __BIG_ENDIAN
1022 return true;
1023 #else
1024 return false;
1025 #endif /* __BIG_ENDIAN */
1026 #endif /* CONFIG_FB_FOREIGN_ENDIAN */
1027 }
1028
1029 /* drivers/video/fbsysfs.c */
1030 extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
1031 extern void framebuffer_release(struct fb_info *info);
1032 extern int fb_init_device(struct fb_info *fb_info);
1033 extern void fb_cleanup_device(struct fb_info *head);
1034 extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
1035
1036 /* drivers/video/fbmon.c */
1037 #define FB_MAXTIMINGS 0
1038 #define FB_VSYNCTIMINGS 1
1039 #define FB_HSYNCTIMINGS 2
1040 #define FB_DCLKTIMINGS 3
1041 #define FB_IGNOREMON 0x100
1042
1043 #define FB_MODE_IS_UNKNOWN 0
1044 #define FB_MODE_IS_DETAILED 1
1045 #define FB_MODE_IS_STANDARD 2
1046 #define FB_MODE_IS_VESA 4
1047 #define FB_MODE_IS_CALCULATED 8
1048 #define FB_MODE_IS_FIRST 16
1049 #define FB_MODE_IS_FROM_VAR 32
1050
1051 extern int fbmon_dpms(const struct fb_info *fb_info);
1052 extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
1053 struct fb_info *info);
1054 extern int fb_validate_mode(const struct fb_var_screeninfo *var,
1055 struct fb_info *info);
1056 extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
1057 extern const unsigned char *fb_firmware_edid(struct device *device);
1058 extern void fb_edid_to_monspecs(unsigned char *edid,
1059 struct fb_monspecs *specs);
1060 extern void fb_destroy_modedb(struct fb_videomode *modedb);
1061 extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
1062 extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
1063
1064 /* drivers/video/modedb.c */
1065 #define VESA_MODEDB_SIZE 34
1066 extern void fb_var_to_videomode(struct fb_videomode *mode,
1067 const struct fb_var_screeninfo *var);
1068 extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
1069 const struct fb_videomode *mode);
1070 extern int fb_mode_is_equal(const struct fb_videomode *mode1,
1071 const struct fb_videomode *mode2);
1072 extern int fb_add_videomode(const struct fb_videomode *mode,
1073 struct list_head *head);
1074 extern void fb_delete_videomode(const struct fb_videomode *mode,
1075 struct list_head *head);
1076 extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
1077 struct list_head *head);
1078 extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
1079 struct list_head *head);
1080 extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
1081 struct list_head *head);
1082 extern void fb_destroy_modelist(struct list_head *head);
1083 extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
1084 struct list_head *head);
1085 extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
1086 struct list_head *head);
1087
1088 /* drivers/video/fbcmap.c */
1089 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
1090 extern void fb_dealloc_cmap(struct fb_cmap *cmap);
1091 extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
1092 extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
1093 extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
1094 extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
1095 extern const struct fb_cmap *fb_default_cmap(int len);
1096 extern void fb_invert_cmaps(void);
1097
1098 struct fb_videomode {
1099 const char *name; /* optional */
1100 u32 refresh; /* optional */
1101 u32 xres;
1102 u32 yres;
1103 u32 pixclock;
1104 u32 left_margin;
1105 u32 right_margin;
1106 u32 upper_margin;
1107 u32 lower_margin;
1108 u32 hsync_len;
1109 u32 vsync_len;
1110 u32 sync;
1111 u32 vmode;
1112 u32 flag;
1113 };
1114
1115 extern const char *fb_mode_option;
1116 extern const struct fb_videomode vesa_modes[];
1117
1118 struct fb_modelist {
1119 struct list_head list;
1120 struct fb_videomode mode;
1121 };
1122
1123 extern int fb_find_mode(struct fb_var_screeninfo *var,
1124 struct fb_info *info, const char *mode_option,
1125 const struct fb_videomode *db,
1126 unsigned int dbsize,
1127 const struct fb_videomode *default_mode,
1128 unsigned int default_bpp);
1129
1130 #endif /* __KERNEL__ */
1131
1132 #endif /* _LINUX_FB_H */
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