4 #include <linux/types.h>
7 #include <linux/kgdb.h>
8 #endif /* __KERNEL__ */
10 /* Definitions of frame buffers */
12 #define FB_MAX 32 /* sufficient for now */
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 #define FBIOPUT_16OR32 0x4607
23 #define FBIOPUT_FBPHYADD 0x4608
24 #define FBIOPUT_SET_CURSOR_EN 0x4609
25 #define FBIOPUT_SET_CURSOR_IMG 0x460a
26 #define FBIOPUT_SET_CURSOR_POS 0x460b
27 #define FBIOPUT_SET_CURSOR_CMAP 0x460c
28 #define FBIOPUT_GET_CURSOR_RESOLUTION 0x460d
29 #define FBIOPUT_GET_CURSOR_EN 0x460e
30 #define FBIOPUT_NUM_BUFFERS 0x4625
33 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
35 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor)
37 /* 0x4607-0x460B are defined below */
38 /* #define FBIOGET_MONITORSPEC 0x460C */
39 /* #define FBIOPUT_MONITORSPEC 0x460D */
40 /* #define FBIOSWITCH_MONIBIT 0x460E */
41 #define FBIOGET_CON2FBMAP 0x460F
42 #define FBIOPUT_CON2FBMAP 0x4610
43 #define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */
44 #define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank)
45 #define FBIO_ALLOC 0x4613
46 #define FBIO_FREE 0x4614
47 #define FBIOGET_GLYPH 0x4615
48 #define FBIOGET_HWCINFO 0x4616
49 #define FBIOPUT_MODEINFO 0x4617
50 #define FBIOGET_DISPINFO 0x4618
51 #define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
52 #define FBIOGET_OVERLAY_STATE 0X4619
53 #define FBIOGET_SCREEN_STATE 0X4620
54 #define FBIOGET_16OR32 0X4621
55 #define FBIOGET_IDLEFBUff_16OR32 0X4622
56 #define FBIOSET_COMPOSE_LAYER_COUNTS 0X4623
57 #define FBIOGET_COMPOSE_LAYER_COUNTS 0X4624
59 #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
60 #define FB_TYPE_PLANES 1 /* Non interleaved planes */
61 #define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
62 #define FB_TYPE_TEXT 3 /* Text/attributes */
63 #define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */
65 #define FB_AUX_TEXT_MDA 0 /* Monochrome text */
66 #define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */
67 #define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */
68 #define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */
69 #define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */
70 #define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */
71 #define FB_AUX_TEXT_SVGA_MASK 7 /* lower three bits says step */
72 #define FB_AUX_TEXT_SVGA_STEP2 8 /* SVGA text mode: text, attr */
73 #define FB_AUX_TEXT_SVGA_STEP4 9 /* SVGA text mode: text, attr, 2 reserved bytes */
74 #define FB_AUX_TEXT_SVGA_STEP8 10 /* SVGA text mode: text, attr, 6 reserved bytes */
75 #define FB_AUX_TEXT_SVGA_STEP16 11 /* SVGA text mode: text, attr, 14 reserved bytes */
76 #define FB_AUX_TEXT_SVGA_LAST 15 /* reserved up to 15 */
78 #define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
79 #define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
80 #define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */
82 #define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
83 #define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
84 #define FB_VISUAL_TRUECOLOR 2 /* True color */
85 #define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
86 #define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
87 #define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
89 #define FB_ACCEL_NONE 0 /* no hardware accelerator */
90 #define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */
91 #define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */
92 #define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */
93 #define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */
94 #define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */
95 #define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */
96 #define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */
97 #define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */
98 #define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */
99 #define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */
100 #define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */
101 #define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */
102 #define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */
103 #define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */
104 #define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */
105 #define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */
106 #define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */
107 #define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */
108 #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
109 #define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */
110 #define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */
111 #define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */
112 #define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */
113 #define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */
114 #define FB_ACCEL_SUN_TCX 25 /* Sun tcx */
115 #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
116 #define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */
117 #define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */
118 #define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */
119 #define FB_ACCEL_CT_6555x 30 /* C&T 6555x */
120 #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
121 #define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */
122 #define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */
123 #define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */
124 #define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */
125 #define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */
126 #define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
127 #define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
128 #define FB_ACCEL_I810 39 /* Intel 810/815 */
129 #define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
130 #define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
131 #define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */
132 #define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */
133 #define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */
134 #define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */
135 #define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */
136 #define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */
137 #define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */
138 #define FB_ACCEL_OMAP1610 49 /* TI OMAP16xx */
139 #define FB_ACCEL_TRIDENT_TGUI 50 /* Trident TGUI */
140 #define FB_ACCEL_TRIDENT_3DIMAGE 51 /* Trident 3DImage */
141 #define FB_ACCEL_TRIDENT_BLADE3D 52 /* Trident Blade3D */
142 #define FB_ACCEL_TRIDENT_BLADEXP 53 /* Trident BladeXP */
143 #define FB_ACCEL_CIRRUS_ALPINE 53 /* Cirrus Logic 543x/544x/5480 */
144 #define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */
145 #define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */
146 #define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */
147 #define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */
148 #define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */
149 #define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */
150 #define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */
151 #define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */
152 #define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */
153 #define FB_ACCEL_PXA3XX 99 /* PXA3xx */
155 #define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */
156 #define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */
157 #define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */
158 #define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */
159 #define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */
160 #define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */
161 #define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */
162 #define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */
163 #define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */
164 #define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */
165 #define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */
166 #define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */
167 #define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */
168 #define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */
169 #define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */
171 #define FB_ACCEL_PUV3_UNIGFX 0xa0 /* PKUnity-v3 Unigfx */
173 struct fb_fix_screeninfo {
174 char id[16]; /* identification string eg "TT Builtin" */
175 unsigned long smem_start; /* Start of frame buffer mem */
176 /* (physical address) */
177 __u32 smem_len; /* Length of frame buffer mem */
178 __u32 type; /* see FB_TYPE_* */
179 __u32 type_aux; /* Interleave for interleaved Planes */
180 __u32 visual; /* see FB_VISUAL_* */
181 __u16 xpanstep; /* zero if no hardware panning */
182 __u16 ypanstep; /* zero if no hardware panning */
183 __u16 ywrapstep; /* zero if no hardware ywrap */
184 __u32 line_length; /* length of a line in bytes */
185 unsigned long mmio_start; /* Start of Memory Mapped I/O */
186 /* (physical address) */
187 __u32 mmio_len; /* Length of Memory Mapped I/O */
188 __u32 accel; /* Indicate to driver which */
189 /* specific chip/card we have */
190 __u16 reserved[3]; /* Reserved for future compatibility */
193 /* Interpretation of offset for color fields: All offsets are from the right,
194 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
195 * can use the offset as right argument to <<). A pixel afterwards is a bit
196 * stream and is written to video memory as that unmodified.
198 * For pseudocolor: offset and length should be the same for all color
199 * components. Offset specifies the position of the least significant bit
200 * of the pallette index in a pixel value. Length indicates the number
201 * of available palette entries (i.e. # of entries = 1 << length).
204 __u32 offset; /* beginning of bitfield */
205 __u32 length; /* length of bitfield */
206 __u32 msb_right; /* != 0 : Most significant bit is */
210 #define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
211 #define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */
213 #define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
214 #define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
215 #define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
216 #define FB_ACTIVATE_MASK 15
218 #define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
219 #define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
220 #define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
221 #define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/
222 #define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */
224 #define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */
226 #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
227 #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
228 #define FB_SYNC_EXT 4 /* external sync */
229 #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
230 #define FB_SYNC_BROADCAST 16 /* broadcast video timings */
231 /* vtotal = 144d/288n/576i => PAL */
232 /* vtotal = 121d/242n/484i => NTSC */
233 #define FB_SYNC_ON_GREEN 32 /* sync on green */
235 #define FB_VMODE_NONINTERLACED 0 /* non interlaced */
236 #define FB_VMODE_INTERLACED 1 /* interlaced */
237 #define FB_VMODE_DOUBLE 2 /* double scan */
238 #define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */
239 #define FB_VMODE_MASK 255
241 #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
242 #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
243 #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
246 * Display rotation support
248 #define FB_ROTATE_UR 0
249 #define FB_ROTATE_CW 1
250 #define FB_ROTATE_UD 2
251 #define FB_ROTATE_CCW 3
253 #define PICOS2KHZ(a) (1000000000UL/(a))
254 #define KHZ2PICOS(a) (1000000000UL/(a))
256 struct fb_var_screeninfo {
257 __u32 xres; /* visible resolution */
259 __u32 xres_virtual; /* virtual resolution */
261 __u32 xoffset; /* offset from virtual to visible */
262 __u32 yoffset; /* resolution */
264 __u32 bits_per_pixel; /* guess what */
265 __u32 grayscale; /* != 0 Graylevels instead of colors */
267 struct fb_bitfield red; /* bitfield in fb mem if true color, */
268 struct fb_bitfield green; /* else only length is significant */
269 struct fb_bitfield blue;
270 struct fb_bitfield transp; /* transparency */
272 __u32 nonstd; /* != 0 Non standard pixel format */
274 __u32 activate; /* see FB_ACTIVATE_* */
276 __u32 height; /* height of picture in mm */
277 __u32 width; /* width of picture in mm */
279 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */
281 /* Timing: All values in pixclocks, except pixclock (of course) */
282 __u32 pixclock; /* pixel clock in ps (pico seconds) */
283 __u32 left_margin; /* time from sync to picture */
284 __u32 right_margin; /* time from picture to sync */
285 __u32 upper_margin; /* time from sync to picture */
287 __u32 hsync_len; /* length of horizontal sync */
288 __u32 vsync_len; /* length of vertical sync */
289 __u32 sync; /* see FB_SYNC_* */
290 __u32 vmode; /* see FB_VMODE_* */
291 __u32 rotate; /* angle we rotate counter clockwise */
292 __u32 reserved[5]; /* Reserved for future compatibility */
296 __u32 start; /* First entry */
297 __u32 len; /* Number of entries */
298 __u16 *red; /* Red values */
301 __u16 *transp; /* transparency, can be NULL */
304 struct fb_con2fbmap {
309 /* VESA Blanking Levels */
310 #define VESA_NO_BLANKING 0
311 #define VESA_VSYNC_SUSPEND 1
312 #define VESA_HSYNC_SUSPEND 2
313 #define VESA_POWERDOWN 3
317 /* screen: unblanked, hsync: on, vsync: on */
318 FB_BLANK_UNBLANK = VESA_NO_BLANKING,
320 /* screen: blanked, hsync: on, vsync: on */
321 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1,
323 /* screen: blanked, hsync: on, vsync: off */
324 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
326 /* screen: blanked, hsync: off, vsync: on */
327 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
329 /* screen: blanked, hsync: off, vsync: off */
330 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1
333 #define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
334 #define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
335 #define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
336 #define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
337 #define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
338 #define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
339 #define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
340 #define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
341 #define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
344 __u32 flags; /* FB_VBLANK flags */
345 __u32 count; /* counter of retraces since boot */
346 __u32 vcount; /* current scanline position */
347 __u32 hcount; /* current scandot position */
348 __u32 reserved[4]; /* reserved for future compatibility */
351 /* Internal HW accel */
365 __u32 dx; /* screen-relative */
374 __u32 dx; /* Where to place image */
376 __u32 width; /* Size of image */
378 __u32 fg_color; /* Only used when a mono bitmap */
380 __u8 depth; /* Depth of the image */
381 const char *data; /* Pointer to image data */
382 struct fb_cmap cmap; /* color map info */
386 * hardware cursor control
389 #define FB_CUR_SETIMAGE 0x01
390 #define FB_CUR_SETPOS 0x02
391 #define FB_CUR_SETHOT 0x04
392 #define FB_CUR_SETCMAP 0x08
393 #define FB_CUR_SETSHAPE 0x10
394 #define FB_CUR_SETSIZE 0x20
395 #define FB_CUR_SETALL 0xFF
402 __u16 set; /* what to set */
403 __u16 enable; /* cursor on/off */
404 __u16 rop; /* bitop operation */
405 const char *mask; /* cursor mask bits */
406 struct fbcurpos hot; /* cursor hot spot */
407 struct fb_image image; /* Cursor image */
410 #ifdef CONFIG_FB_BACKLIGHT
411 /* Settings for the generic backlight code */
412 #define FB_BACKLIGHT_LEVELS 128
413 #define FB_BACKLIGHT_MAX 0xFF
418 #include <linux/fs.h>
419 #include <linux/init.h>
420 #include <linux/device.h>
421 #include <linux/workqueue.h>
422 #include <linux/notifier.h>
423 #include <linux/list.h>
424 #include <linux/backlight.h>
425 #include <linux/slab.h>
428 struct vm_area_struct;
433 /* Definitions below are used in the parsed monitor specs */
434 #define FB_DPMS_ACTIVE_OFF 1
435 #define FB_DPMS_SUSPEND 2
436 #define FB_DPMS_STANDBY 4
438 #define FB_DISP_DDI 1
439 #define FB_DISP_ANA_700_300 2
440 #define FB_DISP_ANA_714_286 4
441 #define FB_DISP_ANA_1000_400 8
442 #define FB_DISP_ANA_700_000 16
444 #define FB_DISP_MONO 32
445 #define FB_DISP_RGB 64
446 #define FB_DISP_MULTI 128
447 #define FB_DISP_UNKNOWN 256
449 #define FB_SIGNAL_NONE 0
450 #define FB_SIGNAL_BLANK_BLANK 1
451 #define FB_SIGNAL_SEPARATE 2
452 #define FB_SIGNAL_COMPOSITE 4
453 #define FB_SIGNAL_SYNC_ON_GREEN 8
454 #define FB_SIGNAL_SERRATION_ON 16
456 #define FB_MISC_PRIM_COLOR 1
457 #define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */
459 __u32 redx; /* in fraction of 1024 */
470 struct fb_chroma chroma;
471 struct fb_videomode *modedb; /* mode database */
472 __u8 manufacturer[4]; /* Manufacturer */
473 __u8 monitor[14]; /* Monitor String */
474 __u8 serial_no[14]; /* Serial Number */
475 __u8 ascii[14]; /* ? */
476 __u32 modedb_len; /* mode database length */
477 __u32 model; /* Monitor Model */
478 __u32 serial; /* Serial Number - Integer */
479 __u32 year; /* Year manufactured */
480 __u32 week; /* Week Manufactured */
481 __u32 hfmin; /* hfreq lower limit (Hz) */
482 __u32 hfmax; /* hfreq upper limit (Hz) */
483 __u32 dclkmin; /* pixelclock lower limit (Hz) */
484 __u32 dclkmax; /* pixelclock upper limit (Hz) */
485 __u16 input; /* display type - see FB_DISP_* */
486 __u16 dpms; /* DPMS support - see FB_DPMS_ */
487 __u16 signal; /* Signal Type - see FB_SIGNAL_* */
488 __u16 vfmin; /* vfreq lower limit (Hz) */
489 __u16 vfmax; /* vfreq upper limit (Hz) */
490 __u16 gamma; /* Gamma - in fractions of 100 */
491 __u16 gtf : 1; /* supports GTF */
492 __u16 misc; /* Misc flags - see FB_MISC_* */
493 __u8 version; /* EDID version... */
494 __u8 revision; /* ...and revision */
495 __u8 max_x; /* Maximum horizontal size (cm) */
496 __u8 max_y; /* Maximum vertical size (cm) */
499 struct fb_cmap_user {
500 __u32 start; /* First entry */
501 __u32 len; /* Number of entries */
502 __u16 __user *red; /* Red values */
505 __u16 __user *transp; /* transparency, can be NULL */
508 struct fb_image_user {
509 __u32 dx; /* Where to place image */
511 __u32 width; /* Size of image */
513 __u32 fg_color; /* Only used when a mono bitmap */
515 __u8 depth; /* Depth of the image */
516 const char __user *data; /* Pointer to image data */
517 struct fb_cmap_user cmap; /* color map info */
520 struct fb_cursor_user {
521 __u16 set; /* what to set */
522 __u16 enable; /* cursor on/off */
523 __u16 rop; /* bitop operation */
524 const char __user *mask; /* cursor mask bits */
525 struct fbcurpos hot; /* cursor hot spot */
526 struct fb_image_user image; /* Cursor image */
530 * Register/unregister for framebuffer events
533 /* The resolution of the passed in fb_info about to change */
534 #define FB_EVENT_MODE_CHANGE 0x01
535 /* The display on this fb_info is beeing suspended, no access to the
536 * framebuffer is allowed any more after that call returns
538 #define FB_EVENT_SUSPEND 0x02
539 /* The display on this fb_info was resumed, you can restore the display
542 #define FB_EVENT_RESUME 0x03
543 /* An entry from the modelist was removed */
544 #define FB_EVENT_MODE_DELETE 0x04
545 /* A driver registered itself */
546 #define FB_EVENT_FB_REGISTERED 0x05
547 /* A driver unregistered itself */
548 #define FB_EVENT_FB_UNREGISTERED 0x06
549 /* CONSOLE-SPECIFIC: get console to framebuffer mapping */
550 #define FB_EVENT_GET_CONSOLE_MAP 0x07
551 /* CONSOLE-SPECIFIC: set console to framebuffer mapping */
552 #define FB_EVENT_SET_CONSOLE_MAP 0x08
553 /* A hardware display blank change occurred */
554 #define FB_EVENT_BLANK 0x09
555 /* Private modelist is to be replaced */
556 #define FB_EVENT_NEW_MODELIST 0x0A
557 /* The resolution of the passed in fb_info about to change and
558 all vc's should be changed */
559 #define FB_EVENT_MODE_CHANGE_ALL 0x0B
560 /* A software display blank change occurred */
561 #define FB_EVENT_CONBLANK 0x0C
562 /* Get drawing requirements */
563 #define FB_EVENT_GET_REQ 0x0D
564 /* Unbind from the console if possible */
565 #define FB_EVENT_FB_UNBIND 0x0E
566 /* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga switcheroo */
567 #define FB_EVENT_REMAP_ALL_CONSOLE 0x0F
570 struct fb_info *info;
574 struct fb_blit_caps {
581 extern int fb_register_client(struct notifier_block *nb);
582 extern int fb_unregister_client(struct notifier_block *nb);
583 extern int fb_notifier_call_chain(unsigned long val, void *v);
585 * Pixmap structure definition
587 * The purpose of this structure is to translate data
588 * from the hardware independent format of fbdev to what
589 * format the hardware needs.
592 #define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */
593 #define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */
594 #define FB_PIXMAP_IO 4 /* memory is iomapped */
595 #define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */
598 u8 *addr; /* pointer to memory */
599 u32 size; /* size of buffer in bytes */
600 u32 offset; /* current offset to buffer */
601 u32 buf_align; /* byte alignment of each bitmap */
602 u32 scan_align; /* alignment per scanline */
603 u32 access_align; /* alignment per read/write (bits) */
604 u32 flags; /* see FB_PIXMAP_* */
605 u32 blit_x; /* supported bit block dimensions (1-32)*/
606 u32 blit_y; /* Format: blit_x = 1 << (width - 1) */
607 /* blit_y = 1 << (height - 1) */
608 /* if 0, will be set to 0xffffffff (all)*/
610 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
611 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
614 #ifdef CONFIG_FB_DEFERRED_IO
615 struct fb_deferred_io {
616 /* delay between mkwrite and deferred handler */
618 struct mutex lock; /* mutex that protects the page list */
619 struct list_head pagelist; /* list of touched pages */
621 void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
626 * Frame buffer operations
628 * LOCKING NOTE: those functions must _ALL_ be called with the console
629 * semaphore held, this is the only suitable locking mechanism we have
630 * in 2.6. Some may be called at interrupt time at this point though.
632 * The exception to this is the debug related hooks. Putting the fb
633 * into a debug state (e.g. flipping to the kernel console) and restoring
634 * it must be done in a lock-free manner, so low level drivers should
635 * keep track of the initial console (if applicable) and may need to
636 * perform direct, unlocked hardware writes in these hooks.
640 /* open/release and usage marking */
641 struct module *owner;
642 int (*fb_open)(struct fb_info *info, int user);
643 int (*fb_release)(struct fb_info *info, int user);
645 /* For framebuffers with strange non linear layouts or that do not
646 * work with normal memory mapped access
648 ssize_t (*fb_read)(struct fb_info *info, char __user *buf,
649 size_t count, loff_t *ppos);
650 ssize_t (*fb_write)(struct fb_info *info, const char __user *buf,
651 size_t count, loff_t *ppos);
653 /* checks var and eventually tweaks it to something supported,
654 * DO NOT MODIFY PAR */
655 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
657 /* set the video mode according to info->var */
658 int (*fb_set_par)(struct fb_info *info);
660 /* set color register */
661 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
662 unsigned blue, unsigned transp, struct fb_info *info);
664 /* set color registers in batch */
665 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
668 int (*fb_blank)(int blank, struct fb_info *info);
671 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
673 /* Draws a rectangle */
674 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
675 /* Copy data from area to another */
676 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
677 /* Draws a image to the display */
678 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
681 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
683 /* Rotates the display */
684 void (*fb_rotate)(struct fb_info *info, int angle);
686 /* wait for blit idle, optional */
687 int (*fb_sync)(struct fb_info *info);
689 /* perform fb specific ioctl (optional) */
690 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
693 /* Handle 32bit compat ioctl (optional) */
694 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
697 /* perform fb specific mmap */
698 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
700 /* get capability given var */
701 void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps,
702 struct fb_var_screeninfo *var);
704 /* teardown any resources to do with this framebuffer */
705 void (*fb_destroy)(struct fb_info *info);
707 /* called at KDB enter and leave time to prepare the console */
708 int (*fb_debug_enter)(struct fb_info *info);
709 int (*fb_debug_leave)(struct fb_info *info);
712 #ifdef CONFIG_FB_TILEBLITTING
713 #define FB_TILE_CURSOR_NONE 0
714 #define FB_TILE_CURSOR_UNDERLINE 1
715 #define FB_TILE_CURSOR_LOWER_THIRD 2
716 #define FB_TILE_CURSOR_LOWER_HALF 3
717 #define FB_TILE_CURSOR_TWO_THIRDS 4
718 #define FB_TILE_CURSOR_BLOCK 5
721 __u32 width; /* width of each tile in pixels */
722 __u32 height; /* height of each tile in scanlines */
723 __u32 depth; /* color depth of each tile */
724 __u32 length; /* number of tiles in the map */
725 const __u8 *data; /* actual tile map: a bitmap array, packed
726 to the nearest byte */
730 __u32 sx; /* origin in the x-axis */
731 __u32 sy; /* origin in the y-axis */
732 __u32 width; /* number of tiles in the x-axis */
733 __u32 height; /* number of tiles in the y-axis */
734 __u32 index; /* what tile to use: index to tile map */
735 __u32 fg; /* foreground color */
736 __u32 bg; /* background color */
737 __u32 rop; /* raster operation */
741 __u32 sx; /* source origin in the x-axis */
742 __u32 sy; /* source origin in the y-axis */
743 __u32 dx; /* destination origin in the x-axis */
744 __u32 dy; /* destination origin in the y-axis */
745 __u32 width; /* number of tiles in the x-axis */
746 __u32 height; /* number of tiles in the y-axis */
750 __u32 sx; /* origin in the x-axis */
751 __u32 sy; /* origin in the y-axis */
752 __u32 width; /* number of tiles in the x-axis */
753 __u32 height; /* number of tiles in the y-axis */
754 __u32 fg; /* foreground color */
755 __u32 bg; /* background color */
756 __u32 length; /* number of tiles to draw */
757 __u32 *indices; /* array of indices to tile map */
760 struct fb_tilecursor {
761 __u32 sx; /* cursor position in the x-axis */
762 __u32 sy; /* cursor position in the y-axis */
763 __u32 mode; /* 0 = erase, 1 = draw */
764 __u32 shape; /* see FB_TILE_CURSOR_* */
765 __u32 fg; /* foreground color */
766 __u32 bg; /* background color */
770 /* set tile characteristics */
771 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
773 /* all dimensions from hereon are in terms of tiles */
775 /* move a rectangular region of tiles from one area to another*/
776 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
777 /* fill a rectangular region with a tile */
778 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
779 /* copy an array of tiles */
780 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
782 void (*fb_tilecursor)(struct fb_info *info,
783 struct fb_tilecursor *cursor);
784 /* get maximum length of the tile map */
785 int (*fb_get_tilemax)(struct fb_info *info);
787 #endif /* CONFIG_FB_TILEBLITTING */
789 /* FBINFO_* = fb_info.flags bit flags */
790 #define FBINFO_MODULE 0x0001 /* Low-level driver is a module */
791 #define FBINFO_HWACCEL_DISABLED 0x0002
792 /* When FBINFO_HWACCEL_DISABLED is set:
793 * Hardware acceleration is turned off. Software implementations
794 * of required functions (copyarea(), fillrect(), and imageblit())
795 * takes over; acceleration engine should be in a quiescent state */
798 #define FBINFO_VIRTFB 0x0004 /* FB is System RAM, not device. */
799 #define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */
800 #define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */
802 /* hardware supported ops */
803 /* semantics: when a bit is set, it indicates that the operation is
804 * accelerated by hardware.
805 * required functions will still work even if the bit is not set.
806 * optional functions may not even exist if the flag bit is not set.
808 #define FBINFO_HWACCEL_NONE 0x0000
809 #define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */
810 #define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */
811 #define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */
812 #define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */
813 #define FBINFO_HWACCEL_XPAN 0x1000 /* optional */
814 #define FBINFO_HWACCEL_YPAN 0x2000 /* optional */
815 #define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */
817 #define FBINFO_MISC_USEREVENT 0x10000 /* event request
819 #define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */
821 /* A driver may set this flag to indicate that it does want a set_par to be
822 * called every time when fbcon_switch is executed. The advantage is that with
823 * this flag set you can really be sure that set_par is always called before
824 * any of the functions dependent on the correct hardware state or altering
825 * that state, even if you are using some broken X releases. The disadvantage
826 * is that it introduces unwanted delays to every console switch if set_par
827 * is slow. It is a good idea to try this flag in the drivers initialization
828 * code whenever there is a bug report related to switching between X and the
829 * framebuffer console.
831 #define FBINFO_MISC_ALWAYS_SETPAR 0x40000
833 /* where the fb is a firmware driver, and can be replaced with a proper one */
834 #define FBINFO_MISC_FIRMWARE 0x80000
836 * Host and GPU endianness differ.
838 #define FBINFO_FOREIGN_ENDIAN 0x100000
840 * Big endian math. This is the same flags as above, but with different
841 * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag
842 * and host endianness. Drivers should not use this flag.
844 #define FBINFO_BE_MATH 0x100000
846 /* report to the VT layer that this fb driver can accept forced console
847 output like oopses */
848 #define FBINFO_CAN_FORCE_OUTPUT 0x200000
854 struct mutex lock; /* Lock for open/release/ioctl funcs */
855 struct mutex mm_lock; /* Lock for fb_mmap and smem_* fields */
856 struct fb_var_screeninfo var; /* Current var */
857 struct fb_fix_screeninfo fix; /* Current fix */
858 struct fb_monspecs monspecs; /* Current Monitor specs */
859 struct work_struct queue; /* Framebuffer event queue */
860 struct fb_pixmap pixmap; /* Image hardware mapper */
861 struct fb_pixmap sprite; /* Cursor hardware mapper */
862 struct fb_cmap cmap; /* Current cmap */
863 struct list_head modelist; /* mode list */
864 struct fb_videomode *mode; /* current mode */
866 #ifdef CONFIG_FB_BACKLIGHT
867 /* assigned backlight device */
868 /* set before framebuffer registration,
869 remove after unregister */
870 struct backlight_device *bl_dev;
872 /* Backlight level curve */
873 struct mutex bl_curve_mutex;
874 u8 bl_curve[FB_BACKLIGHT_LEVELS];
876 #ifdef CONFIG_FB_DEFERRED_IO
877 struct delayed_work deferred_work;
878 struct fb_deferred_io *fbdefio;
881 struct fb_ops *fbops;
882 struct device *device; /* This is the parent */
883 struct device *dev; /* This is this fb device */
884 int class_flag; /* private sysfs flags */
885 #ifdef CONFIG_FB_TILEBLITTING
886 struct fb_tile_ops *tileops; /* Tile Blitting */
888 char __iomem *screen_base; /* Virtual address */
889 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */
890 void *pseudo_palette; /* Fake palette of 16 colors */
891 #define FBINFO_STATE_RUNNING 0
892 #define FBINFO_STATE_SUSPENDED 1
893 u32 state; /* Hardware state i.e suspend */
894 void *fbcon_par; /* fbcon use-only private area */
895 /* From here on everything is device dependent */
897 /* we need the PCI or similar aperture base/size not
898 smem_start/size as smem_start may just be an object
899 allocated inside the aperture so may not actually overlap */
900 struct apertures_struct {
903 resource_size_t base;
904 resource_size_t size;
909 static inline struct apertures_struct *alloc_apertures(unsigned int max_num) {
910 struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct)
911 + max_num * sizeof(struct aperture), GFP_KERNEL);
919 #define FBINFO_DEFAULT FBINFO_MODULE
921 #define FBINFO_DEFAULT 0
925 #define FBINFO_FLAG_MODULE FBINFO_MODULE
926 #define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT
929 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
930 * when it wants to turn the acceleration engine on. This is
931 * really a separate operation, and should be modified via sysfs.
932 * But for now, we leave it broken with the following define
934 #define STUPID_ACCELF_TEXT_SHIT
937 #if defined(__sparc__)
939 /* We map all of our framebuffers such that big-endian accesses
940 * are what we want, so the following is sufficient.
944 #define fb_readb sbus_readb
945 #define fb_readw sbus_readw
946 #define fb_readl sbus_readl
947 #define fb_readq sbus_readq
948 #define fb_writeb sbus_writeb
949 #define fb_writew sbus_writew
950 #define fb_writel sbus_writel
951 #define fb_writeq sbus_writeq
952 #define fb_memset sbus_memset_io
953 #define fb_memcpy_fromfb sbus_memcpy_fromio
954 #define fb_memcpy_tofb sbus_memcpy_toio
956 #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__)
958 #define fb_readb __raw_readb
959 #define fb_readw __raw_readw
960 #define fb_readl __raw_readl
961 #define fb_readq __raw_readq
962 #define fb_writeb __raw_writeb
963 #define fb_writew __raw_writew
964 #define fb_writel __raw_writel
965 #define fb_writeq __raw_writeq
966 #define fb_memset memset_io
967 #define fb_memcpy_fromfb memcpy_fromio
968 #define fb_memcpy_tofb memcpy_toio
972 #define fb_readb(addr) (*(volatile u8 *) (addr))
973 #define fb_readw(addr) (*(volatile u16 *) (addr))
974 #define fb_readl(addr) (*(volatile u32 *) (addr))
975 #define fb_readq(addr) (*(volatile u64 *) (addr))
976 #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
977 #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
978 #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
979 #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
980 #define fb_memset memset
981 #define fb_memcpy_fromfb memcpy
982 #define fb_memcpy_tofb memcpy
986 #define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0)
987 #define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \
989 #define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \
993 * `Generic' versions of the frame buffer device operations
996 extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
997 extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
998 extern int fb_blank(struct fb_info *info, int blank);
999 extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
1000 extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
1001 extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
1003 * Drawing operations where framebuffer is in system RAM
1005 extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
1006 extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area);
1007 extern void sys_imageblit(struct fb_info *info, const struct fb_image *image);
1008 extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
1009 size_t count, loff_t *ppos);
1010 extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
1011 size_t count, loff_t *ppos);
1013 /* drivers/video/fbmem.c */
1014 extern int register_framebuffer(struct fb_info *fb_info);
1015 extern int unregister_framebuffer(struct fb_info *fb_info);
1016 extern int unlink_framebuffer(struct fb_info *fb_info);
1017 extern void remove_conflicting_framebuffers(struct apertures_struct *a,
1018 const char *name, bool primary);
1019 extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
1020 extern int fb_show_logo(struct fb_info *fb_info, int rotate);
1021 extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
1022 extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
1023 u32 height, u32 shift_high, u32 shift_low, u32 mod);
1024 extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
1025 extern void fb_set_suspend(struct fb_info *info, int state);
1026 extern int fb_get_color_depth(struct fb_var_screeninfo *var,
1027 struct fb_fix_screeninfo *fix);
1028 extern int fb_get_options(char *name, char **option);
1029 extern int fb_new_modelist(struct fb_info *info);
1031 extern struct fb_info *registered_fb[FB_MAX];
1032 extern int num_registered_fb;
1033 extern struct class *fb_class;
1035 extern int lock_fb_info(struct fb_info *info);
1037 static inline void unlock_fb_info(struct fb_info *info)
1039 mutex_unlock(&info->lock);
1042 static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
1043 u8 *src, u32 s_pitch, u32 height)
1049 for (i = height; i--; ) {
1050 /* s_pitch is a few bytes at the most, memcpy is suboptimal */
1051 for (j = 0; j < s_pitch; j++)
1057 /* drivers/video/fb_defio.c */
1058 extern void fb_deferred_io_init(struct fb_info *info);
1059 extern void fb_deferred_io_open(struct fb_info *info,
1060 struct inode *inode,
1062 extern void fb_deferred_io_cleanup(struct fb_info *info);
1063 extern int fb_deferred_io_fsync(struct file *file, int datasync);
1065 static inline bool fb_be_math(struct fb_info *info)
1067 #ifdef CONFIG_FB_FOREIGN_ENDIAN
1068 #if defined(CONFIG_FB_BOTH_ENDIAN)
1069 return info->flags & FBINFO_BE_MATH;
1070 #elif defined(CONFIG_FB_BIG_ENDIAN)
1072 #elif defined(CONFIG_FB_LITTLE_ENDIAN)
1074 #endif /* CONFIG_FB_BOTH_ENDIAN */
1080 #endif /* __BIG_ENDIAN */
1081 #endif /* CONFIG_FB_FOREIGN_ENDIAN */
1084 /* drivers/video/fbsysfs.c */
1085 extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
1086 extern void framebuffer_release(struct fb_info *info);
1087 extern int fb_init_device(struct fb_info *fb_info);
1088 extern void fb_cleanup_device(struct fb_info *head);
1089 extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
1091 /* drivers/video/fbmon.c */
1092 #define FB_MAXTIMINGS 0
1093 #define FB_VSYNCTIMINGS 1
1094 #define FB_HSYNCTIMINGS 2
1095 #define FB_DCLKTIMINGS 3
1096 #define FB_IGNOREMON 0x100
1098 #define FB_MODE_IS_UNKNOWN 0
1099 #define FB_MODE_IS_DETAILED 1
1100 #define FB_MODE_IS_STANDARD 2
1101 #define FB_MODE_IS_VESA 4
1102 #define FB_MODE_IS_CALCULATED 8
1103 #define FB_MODE_IS_FIRST 16
1104 #define FB_MODE_IS_FROM_VAR 32
1106 extern int fbmon_dpms(const struct fb_info *fb_info);
1107 extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
1108 struct fb_info *info);
1109 extern int fb_validate_mode(const struct fb_var_screeninfo *var,
1110 struct fb_info *info);
1111 extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
1112 extern const unsigned char *fb_firmware_edid(struct device *device);
1113 extern void fb_edid_to_monspecs(unsigned char *edid,
1114 struct fb_monspecs *specs);
1115 extern void fb_edid_add_monspecs(unsigned char *edid,
1116 struct fb_monspecs *specs);
1117 extern void fb_destroy_modedb(struct fb_videomode *modedb);
1118 extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
1119 extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
1121 /* drivers/video/modedb.c */
1122 #define VESA_MODEDB_SIZE 34
1123 extern void fb_var_to_videomode(struct fb_videomode *mode,
1124 const struct fb_var_screeninfo *var);
1125 extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
1126 const struct fb_videomode *mode);
1127 extern int fb_mode_is_equal(const struct fb_videomode *mode1,
1128 const struct fb_videomode *mode2);
1129 extern int fb_add_videomode(const struct fb_videomode *mode,
1130 struct list_head *head);
1131 extern void fb_delete_videomode(const struct fb_videomode *mode,
1132 struct list_head *head);
1133 extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
1134 struct list_head *head);
1135 extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
1136 struct list_head *head);
1137 extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
1138 struct list_head *head);
1139 extern void fb_destroy_modelist(struct list_head *head);
1140 extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
1141 struct list_head *head);
1142 extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
1143 struct list_head *head);
1145 /* drivers/video/fbcmap.c */
1146 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
1147 extern int fb_alloc_cmap_gfp(struct fb_cmap *cmap, int len, int transp, gfp_t flags);
1148 extern void fb_dealloc_cmap(struct fb_cmap *cmap);
1149 extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
1150 extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
1151 extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
1152 extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
1153 extern const struct fb_cmap *fb_default_cmap(int len);
1154 extern void fb_invert_cmaps(void);
1156 struct fb_videomode {
1157 const char *name; /* optional */
1158 u32 refresh; /* optional */
1173 extern const char *fb_mode_option;
1174 extern const struct fb_videomode vesa_modes[];
1175 extern const struct fb_videomode cea_modes[64];
1177 struct fb_modelist {
1178 struct list_head list;
1179 struct fb_videomode mode;
1182 extern int fb_find_mode(struct fb_var_screeninfo *var,
1183 struct fb_info *info, const char *mode_option,
1184 const struct fb_videomode *db,
1185 unsigned int dbsize,
1186 const struct fb_videomode *default_mode,
1187 unsigned int default_bpp);
1189 #endif /* __KERNEL__ */
1191 #endif /* _LINUX_FB_H */