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