4 #include <linux/types.h>
9 /* Definitions of frame buffers */
11 #define FB_MAX 32 /* sufficient for now */
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
22 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
24 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor)
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 #define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
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 */
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 */
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) */
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 */
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 */
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 */
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 */
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.
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).
185 __u32 offset
; /* beginning of bitfield */
186 __u32 length
; /* length of bitfield */
187 __u32 msb_right
; /* != 0 : Most significant bit is */
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 */
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
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 */
205 #define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */
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 */
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
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 */
227 * Display rotation support
229 #define FB_ROTATE_UR 0
230 #define FB_ROTATE_CW 1
231 #define FB_ROTATE_UD 2
232 #define FB_ROTATE_CCW 3
234 #define PICOS2KHZ(a) (1000000000UL/(a))
235 #define KHZ2PICOS(a) (1000000000UL/(a))
237 struct fb_var_screeninfo
{
238 __u32 xres
; /* visible resolution */
240 __u32 xres_virtual
; /* virtual resolution */
242 __u32 xoffset
; /* offset from virtual to visible */
243 __u32 yoffset
; /* resolution */
245 __u32 bits_per_pixel
; /* guess what */
246 __u32 grayscale
; /* != 0 Graylevels instead of colors */
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 */
253 __u32 nonstd
; /* != 0 Non standard pixel format */
255 __u32 activate
; /* see FB_ACTIVATE_* */
257 __u32 height
; /* height of picture in mm */
258 __u32 width
; /* width of picture in mm */
260 __u32 accel_flags
; /* (OBSOLETE) see fb_info.flags */
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 */
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 */
277 __u32 start
; /* First entry */
278 __u32 len
; /* Number of entries */
279 __u16
*red
; /* Red values */
282 __u16
*transp
; /* transparency, can be NULL */
285 struct fb_con2fbmap
{
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
298 /* screen: unblanked, hsync: on, vsync: on */
299 FB_BLANK_UNBLANK
= VESA_NO_BLANKING
,
301 /* screen: blanked, hsync: on, vsync: on */
302 FB_BLANK_NORMAL
= VESA_NO_BLANKING
+ 1,
304 /* screen: blanked, hsync: on, vsync: off */
305 FB_BLANK_VSYNC_SUSPEND
= VESA_VSYNC_SUSPEND
+ 1,
307 /* screen: blanked, hsync: off, vsync: on */
308 FB_BLANK_HSYNC_SUSPEND
= VESA_HSYNC_SUSPEND
+ 1,
310 /* screen: blanked, hsync: off, vsync: off */
311 FB_BLANK_POWERDOWN
= VESA_POWERDOWN
+ 1
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 */
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 */
332 /* Internal HW accel */
346 __u32 dx
; /* screen-relative */
355 __u32 dx
; /* Where to place image */
357 __u32 width
; /* Size of image */
359 __u32 fg_color
; /* Only used when a mono bitmap */
361 __u8 depth
; /* Depth of the image */
362 const char *data
; /* Pointer to image data */
363 struct fb_cmap cmap
; /* color map info */
367 * hardware cursor control
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
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 */
391 #ifdef CONFIG_FB_BACKLIGHT
392 /* Settings for the generic backlight code */
393 #define FB_BACKLIGHT_LEVELS 128
394 #define FB_BACKLIGHT_MAX 0xFF
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 <linux/slab.h>
409 struct vm_area_struct
;
414 /* Definitions below are used in the parsed monitor specs */
415 #define FB_DPMS_ACTIVE_OFF 1
416 #define FB_DPMS_SUSPEND 2
417 #define FB_DPMS_STANDBY 4
419 #define FB_DISP_DDI 1
420 #define FB_DISP_ANA_700_300 2
421 #define FB_DISP_ANA_714_286 4
422 #define FB_DISP_ANA_1000_400 8
423 #define FB_DISP_ANA_700_000 16
425 #define FB_DISP_MONO 32
426 #define FB_DISP_RGB 64
427 #define FB_DISP_MULTI 128
428 #define FB_DISP_UNKNOWN 256
430 #define FB_SIGNAL_NONE 0
431 #define FB_SIGNAL_BLANK_BLANK 1
432 #define FB_SIGNAL_SEPARATE 2
433 #define FB_SIGNAL_COMPOSITE 4
434 #define FB_SIGNAL_SYNC_ON_GREEN 8
435 #define FB_SIGNAL_SERRATION_ON 16
437 #define FB_MISC_PRIM_COLOR 1
438 #define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */
440 __u32 redx
; /* in fraction of 1024 */
451 struct fb_chroma chroma
;
452 struct fb_videomode
*modedb
; /* mode database */
453 __u8 manufacturer
[4]; /* Manufacturer */
454 __u8 monitor
[14]; /* Monitor String */
455 __u8 serial_no
[14]; /* Serial Number */
456 __u8 ascii
[14]; /* ? */
457 __u32 modedb_len
; /* mode database length */
458 __u32 model
; /* Monitor Model */
459 __u32 serial
; /* Serial Number - Integer */
460 __u32 year
; /* Year manufactured */
461 __u32 week
; /* Week Manufactured */
462 __u32 hfmin
; /* hfreq lower limit (Hz) */
463 __u32 hfmax
; /* hfreq upper limit (Hz) */
464 __u32 dclkmin
; /* pixelclock lower limit (Hz) */
465 __u32 dclkmax
; /* pixelclock upper limit (Hz) */
466 __u16 input
; /* display type - see FB_DISP_* */
467 __u16 dpms
; /* DPMS support - see FB_DPMS_ */
468 __u16 signal
; /* Signal Type - see FB_SIGNAL_* */
469 __u16 vfmin
; /* vfreq lower limit (Hz) */
470 __u16 vfmax
; /* vfreq upper limit (Hz) */
471 __u16 gamma
; /* Gamma - in fractions of 100 */
472 __u16 gtf
: 1; /* supports GTF */
473 __u16 misc
; /* Misc flags - see FB_MISC_* */
474 __u8 version
; /* EDID version... */
475 __u8 revision
; /* ...and revision */
476 __u8 max_x
; /* Maximum horizontal size (cm) */
477 __u8 max_y
; /* Maximum vertical size (cm) */
480 struct fb_cmap_user
{
481 __u32 start
; /* First entry */
482 __u32 len
; /* Number of entries */
483 __u16 __user
*red
; /* Red values */
486 __u16 __user
*transp
; /* transparency, can be NULL */
489 struct fb_image_user
{
490 __u32 dx
; /* Where to place image */
492 __u32 width
; /* Size of image */
494 __u32 fg_color
; /* Only used when a mono bitmap */
496 __u8 depth
; /* Depth of the image */
497 const char __user
*data
; /* Pointer to image data */
498 struct fb_cmap_user cmap
; /* color map info */
501 struct fb_cursor_user
{
502 __u16 set
; /* what to set */
503 __u16 enable
; /* cursor on/off */
504 __u16 rop
; /* bitop operation */
505 const char __user
*mask
; /* cursor mask bits */
506 struct fbcurpos hot
; /* cursor hot spot */
507 struct fb_image_user image
; /* Cursor image */
511 * Register/unregister for framebuffer events
514 /* The resolution of the passed in fb_info about to change */
515 #define FB_EVENT_MODE_CHANGE 0x01
516 /* The display on this fb_info is beeing suspended, no access to the
517 * framebuffer is allowed any more after that call returns
519 #define FB_EVENT_SUSPEND 0x02
520 /* The display on this fb_info was resumed, you can restore the display
523 #define FB_EVENT_RESUME 0x03
524 /* An entry from the modelist was removed */
525 #define FB_EVENT_MODE_DELETE 0x04
526 /* A driver registered itself */
527 #define FB_EVENT_FB_REGISTERED 0x05
528 /* A driver unregistered itself */
529 #define FB_EVENT_FB_UNREGISTERED 0x06
530 /* CONSOLE-SPECIFIC: get console to framebuffer mapping */
531 #define FB_EVENT_GET_CONSOLE_MAP 0x07
532 /* CONSOLE-SPECIFIC: set console to framebuffer mapping */
533 #define FB_EVENT_SET_CONSOLE_MAP 0x08
534 /* A hardware display blank change occured */
535 #define FB_EVENT_BLANK 0x09
536 /* Private modelist is to be replaced */
537 #define FB_EVENT_NEW_MODELIST 0x0A
538 /* The resolution of the passed in fb_info about to change and
539 all vc's should be changed */
540 #define FB_EVENT_MODE_CHANGE_ALL 0x0B
541 /* A software display blank change occured */
542 #define FB_EVENT_CONBLANK 0x0C
543 /* Get drawing requirements */
544 #define FB_EVENT_GET_REQ 0x0D
545 /* Unbind from the console if possible */
546 #define FB_EVENT_FB_UNBIND 0x0E
547 /* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga switcheroo */
548 #define FB_EVENT_REMAP_ALL_CONSOLE 0x0F
551 struct fb_info
*info
;
555 struct fb_blit_caps
{
562 extern int fb_register_client(struct notifier_block
*nb
);
563 extern int fb_unregister_client(struct notifier_block
*nb
);
564 extern int fb_notifier_call_chain(unsigned long val
, void *v
);
566 * Pixmap structure definition
568 * The purpose of this structure is to translate data
569 * from the hardware independent format of fbdev to what
570 * format the hardware needs.
573 #define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */
574 #define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */
575 #define FB_PIXMAP_IO 4 /* memory is iomapped */
576 #define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */
579 u8
*addr
; /* pointer to memory */
580 u32 size
; /* size of buffer in bytes */
581 u32 offset
; /* current offset to buffer */
582 u32 buf_align
; /* byte alignment of each bitmap */
583 u32 scan_align
; /* alignment per scanline */
584 u32 access_align
; /* alignment per read/write (bits) */
585 u32 flags
; /* see FB_PIXMAP_* */
586 u32 blit_x
; /* supported bit block dimensions (1-32)*/
587 u32 blit_y
; /* Format: blit_x = 1 << (width - 1) */
588 /* blit_y = 1 << (height - 1) */
589 /* if 0, will be set to 0xffffffff (all)*/
591 void (*writeio
)(struct fb_info
*info
, void __iomem
*dst
, void *src
, unsigned int size
);
592 void (*readio
) (struct fb_info
*info
, void *dst
, void __iomem
*src
, unsigned int size
);
595 #ifdef CONFIG_FB_DEFERRED_IO
596 struct fb_deferred_io
{
597 /* delay between mkwrite and deferred handler */
599 struct mutex lock
; /* mutex that protects the page list */
600 struct list_head pagelist
; /* list of touched pages */
602 void (*deferred_io
)(struct fb_info
*info
, struct list_head
*pagelist
);
607 * Frame buffer operations
609 * LOCKING NOTE: those functions must _ALL_ be called with the console
610 * semaphore held, this is the only suitable locking mechanism we have
611 * in 2.6. Some may be called at interrupt time at this point though.
615 /* open/release and usage marking */
616 struct module
*owner
;
617 int (*fb_open
)(struct fb_info
*info
, int user
);
618 int (*fb_release
)(struct fb_info
*info
, int user
);
620 /* For framebuffers with strange non linear layouts or that do not
621 * work with normal memory mapped access
623 ssize_t (*fb_read
)(struct fb_info
*info
, char __user
*buf
,
624 size_t count
, loff_t
*ppos
);
625 ssize_t (*fb_write
)(struct fb_info
*info
, const char __user
*buf
,
626 size_t count
, loff_t
*ppos
);
628 /* checks var and eventually tweaks it to something supported,
629 * DO NOT MODIFY PAR */
630 int (*fb_check_var
)(struct fb_var_screeninfo
*var
, struct fb_info
*info
);
632 /* set the video mode according to info->var */
633 int (*fb_set_par
)(struct fb_info
*info
);
635 /* set color register */
636 int (*fb_setcolreg
)(unsigned regno
, unsigned red
, unsigned green
,
637 unsigned blue
, unsigned transp
, struct fb_info
*info
);
639 /* set color registers in batch */
640 int (*fb_setcmap
)(struct fb_cmap
*cmap
, struct fb_info
*info
);
643 int (*fb_blank
)(int blank
, struct fb_info
*info
);
646 int (*fb_pan_display
)(struct fb_var_screeninfo
*var
, struct fb_info
*info
);
648 /* Draws a rectangle */
649 void (*fb_fillrect
) (struct fb_info
*info
, const struct fb_fillrect
*rect
);
650 /* Copy data from area to another */
651 void (*fb_copyarea
) (struct fb_info
*info
, const struct fb_copyarea
*region
);
652 /* Draws a image to the display */
653 void (*fb_imageblit
) (struct fb_info
*info
, const struct fb_image
*image
);
656 int (*fb_cursor
) (struct fb_info
*info
, struct fb_cursor
*cursor
);
658 /* Rotates the display */
659 void (*fb_rotate
)(struct fb_info
*info
, int angle
);
661 /* wait for blit idle, optional */
662 int (*fb_sync
)(struct fb_info
*info
);
664 /* perform fb specific ioctl (optional) */
665 int (*fb_ioctl
)(struct fb_info
*info
, unsigned int cmd
,
668 /* Handle 32bit compat ioctl (optional) */
669 int (*fb_compat_ioctl
)(struct fb_info
*info
, unsigned cmd
,
672 /* perform fb specific mmap */
673 int (*fb_mmap
)(struct fb_info
*info
, struct vm_area_struct
*vma
);
675 /* get capability given var */
676 void (*fb_get_caps
)(struct fb_info
*info
, struct fb_blit_caps
*caps
,
677 struct fb_var_screeninfo
*var
);
679 /* teardown any resources to do with this framebuffer */
680 void (*fb_destroy
)(struct fb_info
*info
);
683 #ifdef CONFIG_FB_TILEBLITTING
684 #define FB_TILE_CURSOR_NONE 0
685 #define FB_TILE_CURSOR_UNDERLINE 1
686 #define FB_TILE_CURSOR_LOWER_THIRD 2
687 #define FB_TILE_CURSOR_LOWER_HALF 3
688 #define FB_TILE_CURSOR_TWO_THIRDS 4
689 #define FB_TILE_CURSOR_BLOCK 5
692 __u32 width
; /* width of each tile in pixels */
693 __u32 height
; /* height of each tile in scanlines */
694 __u32 depth
; /* color depth of each tile */
695 __u32 length
; /* number of tiles in the map */
696 const __u8
*data
; /* actual tile map: a bitmap array, packed
697 to the nearest byte */
701 __u32 sx
; /* origin in the x-axis */
702 __u32 sy
; /* origin in the y-axis */
703 __u32 width
; /* number of tiles in the x-axis */
704 __u32 height
; /* number of tiles in the y-axis */
705 __u32 index
; /* what tile to use: index to tile map */
706 __u32 fg
; /* foreground color */
707 __u32 bg
; /* background color */
708 __u32 rop
; /* raster operation */
712 __u32 sx
; /* source origin in the x-axis */
713 __u32 sy
; /* source origin in the y-axis */
714 __u32 dx
; /* destination origin in the x-axis */
715 __u32 dy
; /* destination origin in the y-axis */
716 __u32 width
; /* number of tiles in the x-axis */
717 __u32 height
; /* number of tiles in the y-axis */
721 __u32 sx
; /* origin in the x-axis */
722 __u32 sy
; /* origin in the y-axis */
723 __u32 width
; /* number of tiles in the x-axis */
724 __u32 height
; /* number of tiles in the y-axis */
725 __u32 fg
; /* foreground color */
726 __u32 bg
; /* background color */
727 __u32 length
; /* number of tiles to draw */
728 __u32
*indices
; /* array of indices to tile map */
731 struct fb_tilecursor
{
732 __u32 sx
; /* cursor position in the x-axis */
733 __u32 sy
; /* cursor position in the y-axis */
734 __u32 mode
; /* 0 = erase, 1 = draw */
735 __u32 shape
; /* see FB_TILE_CURSOR_* */
736 __u32 fg
; /* foreground color */
737 __u32 bg
; /* background color */
741 /* set tile characteristics */
742 void (*fb_settile
)(struct fb_info
*info
, struct fb_tilemap
*map
);
744 /* all dimensions from hereon are in terms of tiles */
746 /* move a rectangular region of tiles from one area to another*/
747 void (*fb_tilecopy
)(struct fb_info
*info
, struct fb_tilearea
*area
);
748 /* fill a rectangular region with a tile */
749 void (*fb_tilefill
)(struct fb_info
*info
, struct fb_tilerect
*rect
);
750 /* copy an array of tiles */
751 void (*fb_tileblit
)(struct fb_info
*info
, struct fb_tileblit
*blit
);
753 void (*fb_tilecursor
)(struct fb_info
*info
,
754 struct fb_tilecursor
*cursor
);
755 /* get maximum length of the tile map */
756 int (*fb_get_tilemax
)(struct fb_info
*info
);
758 #endif /* CONFIG_FB_TILEBLITTING */
760 /* FBINFO_* = fb_info.flags bit flags */
761 #define FBINFO_MODULE 0x0001 /* Low-level driver is a module */
762 #define FBINFO_HWACCEL_DISABLED 0x0002
763 /* When FBINFO_HWACCEL_DISABLED is set:
764 * Hardware acceleration is turned off. Software implementations
765 * of required functions (copyarea(), fillrect(), and imageblit())
766 * takes over; acceleration engine should be in a quiescent state */
769 #define FBINFO_VIRTFB 0x0004 /* FB is System RAM, not device. */
770 #define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */
771 #define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */
773 /* hardware supported ops */
774 /* semantics: when a bit is set, it indicates that the operation is
775 * accelerated by hardware.
776 * required functions will still work even if the bit is not set.
777 * optional functions may not even exist if the flag bit is not set.
779 #define FBINFO_HWACCEL_NONE 0x0000
780 #define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */
781 #define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */
782 #define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */
783 #define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */
784 #define FBINFO_HWACCEL_XPAN 0x1000 /* optional */
785 #define FBINFO_HWACCEL_YPAN 0x2000 /* optional */
786 #define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */
788 #define FBINFO_MISC_USEREVENT 0x10000 /* event request
790 #define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */
791 #define FBINFO_MISC_FIRMWARE 0x40000 /* a replaceable firmware
792 inited framebuffer */
794 /* A driver may set this flag to indicate that it does want a set_par to be
795 * called every time when fbcon_switch is executed. The advantage is that with
796 * this flag set you can really be sure that set_par is always called before
797 * any of the functions dependant on the correct hardware state or altering
798 * that state, even if you are using some broken X releases. The disadvantage
799 * is that it introduces unwanted delays to every console switch if set_par
800 * is slow. It is a good idea to try this flag in the drivers initialization
801 * code whenever there is a bug report related to switching between X and the
802 * framebuffer console.
804 #define FBINFO_MISC_ALWAYS_SETPAR 0x40000
807 * Host and GPU endianness differ.
809 #define FBINFO_FOREIGN_ENDIAN 0x100000
811 * Big endian math. This is the same flags as above, but with different
812 * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag
813 * and host endianness. Drivers should not use this flag.
815 #define FBINFO_BE_MATH 0x100000
820 struct mutex lock
; /* Lock for open/release/ioctl funcs */
821 struct mutex mm_lock
; /* Lock for fb_mmap and smem_* fields */
822 struct fb_var_screeninfo var
; /* Current var */
823 struct fb_fix_screeninfo fix
; /* Current fix */
824 struct fb_monspecs monspecs
; /* Current Monitor specs */
825 struct work_struct queue
; /* Framebuffer event queue */
826 struct fb_pixmap pixmap
; /* Image hardware mapper */
827 struct fb_pixmap sprite
; /* Cursor hardware mapper */
828 struct fb_cmap cmap
; /* Current cmap */
829 struct list_head modelist
; /* mode list */
830 struct fb_videomode
*mode
; /* current mode */
832 #ifdef CONFIG_FB_BACKLIGHT
833 /* assigned backlight device */
834 /* set before framebuffer registration,
835 remove after unregister */
836 struct backlight_device
*bl_dev
;
838 /* Backlight level curve */
839 struct mutex bl_curve_mutex
;
840 u8 bl_curve
[FB_BACKLIGHT_LEVELS
];
842 #ifdef CONFIG_FB_DEFERRED_IO
843 struct delayed_work deferred_work
;
844 struct fb_deferred_io
*fbdefio
;
847 struct fb_ops
*fbops
;
848 struct device
*device
; /* This is the parent */
849 struct device
*dev
; /* This is this fb device */
850 int class_flag
; /* private sysfs flags */
851 #ifdef CONFIG_FB_TILEBLITTING
852 struct fb_tile_ops
*tileops
; /* Tile Blitting */
854 char __iomem
*screen_base
; /* Virtual address */
855 unsigned long screen_size
; /* Amount of ioremapped VRAM or 0 */
856 void *pseudo_palette
; /* Fake palette of 16 colors */
857 #define FBINFO_STATE_RUNNING 0
858 #define FBINFO_STATE_SUSPENDED 1
859 u32 state
; /* Hardware state i.e suspend */
860 void *fbcon_par
; /* fbcon use-only private area */
861 /* From here on everything is device dependent */
863 /* we need the PCI or similiar aperture base/size not
864 smem_start/size as smem_start may just be an object
865 allocated inside the aperture so may not actually overlap */
866 struct apertures_struct
{
869 resource_size_t base
;
870 resource_size_t size
;
875 static inline struct apertures_struct
*alloc_apertures(unsigned int max_num
) {
876 struct apertures_struct
*a
= kzalloc(sizeof(struct apertures_struct
)
877 + max_num
* sizeof(struct aperture
), GFP_KERNEL
);
883 #define FBINFO_DEFAULT FBINFO_MODULE
885 #define FBINFO_DEFAULT 0
889 #define FBINFO_FLAG_MODULE FBINFO_MODULE
890 #define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT
893 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
894 * when it wants to turn the acceleration engine on. This is
895 * really a separate operation, and should be modified via sysfs.
896 * But for now, we leave it broken with the following define
898 #define STUPID_ACCELF_TEXT_SHIT
901 #if defined(__sparc__)
903 /* We map all of our framebuffers such that big-endian accesses
904 * are what we want, so the following is sufficient.
908 #define fb_readb sbus_readb
909 #define fb_readw sbus_readw
910 #define fb_readl sbus_readl
911 #define fb_readq sbus_readq
912 #define fb_writeb sbus_writeb
913 #define fb_writew sbus_writew
914 #define fb_writel sbus_writel
915 #define fb_writeq sbus_writeq
916 #define fb_memset sbus_memset_io
918 #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__)
920 #define fb_readb __raw_readb
921 #define fb_readw __raw_readw
922 #define fb_readl __raw_readl
923 #define fb_readq __raw_readq
924 #define fb_writeb __raw_writeb
925 #define fb_writew __raw_writew
926 #define fb_writel __raw_writel
927 #define fb_writeq __raw_writeq
928 #define fb_memset memset_io
932 #define fb_readb(addr) (*(volatile u8 *) (addr))
933 #define fb_readw(addr) (*(volatile u16 *) (addr))
934 #define fb_readl(addr) (*(volatile u32 *) (addr))
935 #define fb_readq(addr) (*(volatile u64 *) (addr))
936 #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
937 #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
938 #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
939 #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
940 #define fb_memset memset
944 #define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0)
945 #define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \
947 #define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \
951 * `Generic' versions of the frame buffer device operations
954 extern int fb_set_var(struct fb_info
*info
, struct fb_var_screeninfo
*var
);
955 extern int fb_pan_display(struct fb_info
*info
, struct fb_var_screeninfo
*var
);
956 extern int fb_blank(struct fb_info
*info
, int blank
);
957 extern void cfb_fillrect(struct fb_info
*info
, const struct fb_fillrect
*rect
);
958 extern void cfb_copyarea(struct fb_info
*info
, const struct fb_copyarea
*area
);
959 extern void cfb_imageblit(struct fb_info
*info
, const struct fb_image
*image
);
961 * Drawing operations where framebuffer is in system RAM
963 extern void sys_fillrect(struct fb_info
*info
, const struct fb_fillrect
*rect
);
964 extern void sys_copyarea(struct fb_info
*info
, const struct fb_copyarea
*area
);
965 extern void sys_imageblit(struct fb_info
*info
, const struct fb_image
*image
);
966 extern ssize_t
fb_sys_read(struct fb_info
*info
, char __user
*buf
,
967 size_t count
, loff_t
*ppos
);
968 extern ssize_t
fb_sys_write(struct fb_info
*info
, const char __user
*buf
,
969 size_t count
, loff_t
*ppos
);
971 /* drivers/video/fbmem.c */
972 extern int register_framebuffer(struct fb_info
*fb_info
);
973 extern int unregister_framebuffer(struct fb_info
*fb_info
);
974 extern void remove_conflicting_framebuffers(struct apertures_struct
*a
,
975 const char *name
, bool primary
);
976 extern int fb_prepare_logo(struct fb_info
*fb_info
, int rotate
);
977 extern int fb_show_logo(struct fb_info
*fb_info
, int rotate
);
978 extern char* fb_get_buffer_offset(struct fb_info
*info
, struct fb_pixmap
*buf
, u32 size
);
979 extern void fb_pad_unaligned_buffer(u8
*dst
, u32 d_pitch
, u8
*src
, u32 idx
,
980 u32 height
, u32 shift_high
, u32 shift_low
, u32 mod
);
981 extern void fb_pad_aligned_buffer(u8
*dst
, u32 d_pitch
, u8
*src
, u32 s_pitch
, u32 height
);
982 extern void fb_set_suspend(struct fb_info
*info
, int state
);
983 extern int fb_get_color_depth(struct fb_var_screeninfo
*var
,
984 struct fb_fix_screeninfo
*fix
);
985 extern int fb_get_options(char *name
, char **option
);
986 extern int fb_new_modelist(struct fb_info
*info
);
988 extern struct fb_info
*registered_fb
[FB_MAX
];
989 extern int num_registered_fb
;
990 extern struct class *fb_class
;
992 extern int lock_fb_info(struct fb_info
*info
);
994 static inline void unlock_fb_info(struct fb_info
*info
)
996 mutex_unlock(&info
->lock
);
999 static inline void __fb_pad_aligned_buffer(u8
*dst
, u32 d_pitch
,
1000 u8
*src
, u32 s_pitch
, u32 height
)
1006 for (i
= height
; i
--; ) {
1007 /* s_pitch is a few bytes at the most, memcpy is suboptimal */
1008 for (j
= 0; j
< s_pitch
; j
++)
1014 /* drivers/video/fb_defio.c */
1015 extern void fb_deferred_io_init(struct fb_info
*info
);
1016 extern void fb_deferred_io_open(struct fb_info
*info
,
1017 struct inode
*inode
,
1019 extern void fb_deferred_io_cleanup(struct fb_info
*info
);
1020 extern int fb_deferred_io_fsync(struct file
*file
, struct dentry
*dentry
,
1023 static inline bool fb_be_math(struct fb_info
*info
)
1025 #ifdef CONFIG_FB_FOREIGN_ENDIAN
1026 #if defined(CONFIG_FB_BOTH_ENDIAN)
1027 return info
->flags
& FBINFO_BE_MATH
;
1028 #elif defined(CONFIG_FB_BIG_ENDIAN)
1030 #elif defined(CONFIG_FB_LITTLE_ENDIAN)
1032 #endif /* CONFIG_FB_BOTH_ENDIAN */
1038 #endif /* __BIG_ENDIAN */
1039 #endif /* CONFIG_FB_FOREIGN_ENDIAN */
1042 /* drivers/video/fbsysfs.c */
1043 extern struct fb_info
*framebuffer_alloc(size_t size
, struct device
*dev
);
1044 extern void framebuffer_release(struct fb_info
*info
);
1045 extern int fb_init_device(struct fb_info
*fb_info
);
1046 extern void fb_cleanup_device(struct fb_info
*head
);
1047 extern void fb_bl_default_curve(struct fb_info
*fb_info
, u8 off
, u8 min
, u8 max
);
1049 /* drivers/video/fbmon.c */
1050 #define FB_MAXTIMINGS 0
1051 #define FB_VSYNCTIMINGS 1
1052 #define FB_HSYNCTIMINGS 2
1053 #define FB_DCLKTIMINGS 3
1054 #define FB_IGNOREMON 0x100
1056 #define FB_MODE_IS_UNKNOWN 0
1057 #define FB_MODE_IS_DETAILED 1
1058 #define FB_MODE_IS_STANDARD 2
1059 #define FB_MODE_IS_VESA 4
1060 #define FB_MODE_IS_CALCULATED 8
1061 #define FB_MODE_IS_FIRST 16
1062 #define FB_MODE_IS_FROM_VAR 32
1064 extern int fbmon_dpms(const struct fb_info
*fb_info
);
1065 extern int fb_get_mode(int flags
, u32 val
, struct fb_var_screeninfo
*var
,
1066 struct fb_info
*info
);
1067 extern int fb_validate_mode(const struct fb_var_screeninfo
*var
,
1068 struct fb_info
*info
);
1069 extern int fb_parse_edid(unsigned char *edid
, struct fb_var_screeninfo
*var
);
1070 extern const unsigned char *fb_firmware_edid(struct device
*device
);
1071 extern void fb_edid_to_monspecs(unsigned char *edid
,
1072 struct fb_monspecs
*specs
);
1073 extern void fb_destroy_modedb(struct fb_videomode
*modedb
);
1074 extern int fb_find_mode_cvt(struct fb_videomode
*mode
, int margins
, int rb
);
1075 extern unsigned char *fb_ddc_read(struct i2c_adapter
*adapter
);
1077 /* drivers/video/modedb.c */
1078 #define VESA_MODEDB_SIZE 34
1079 extern void fb_var_to_videomode(struct fb_videomode
*mode
,
1080 const struct fb_var_screeninfo
*var
);
1081 extern void fb_videomode_to_var(struct fb_var_screeninfo
*var
,
1082 const struct fb_videomode
*mode
);
1083 extern int fb_mode_is_equal(const struct fb_videomode
*mode1
,
1084 const struct fb_videomode
*mode2
);
1085 extern int fb_add_videomode(const struct fb_videomode
*mode
,
1086 struct list_head
*head
);
1087 extern void fb_delete_videomode(const struct fb_videomode
*mode
,
1088 struct list_head
*head
);
1089 extern const struct fb_videomode
*fb_match_mode(const struct fb_var_screeninfo
*var
,
1090 struct list_head
*head
);
1091 extern const struct fb_videomode
*fb_find_best_mode(const struct fb_var_screeninfo
*var
,
1092 struct list_head
*head
);
1093 extern const struct fb_videomode
*fb_find_nearest_mode(const struct fb_videomode
*mode
,
1094 struct list_head
*head
);
1095 extern void fb_destroy_modelist(struct list_head
*head
);
1096 extern void fb_videomode_to_modelist(const struct fb_videomode
*modedb
, int num
,
1097 struct list_head
*head
);
1098 extern const struct fb_videomode
*fb_find_best_display(const struct fb_monspecs
*specs
,
1099 struct list_head
*head
);
1101 /* drivers/video/fbcmap.c */
1102 extern int fb_alloc_cmap(struct fb_cmap
*cmap
, int len
, int transp
);
1103 extern void fb_dealloc_cmap(struct fb_cmap
*cmap
);
1104 extern int fb_copy_cmap(const struct fb_cmap
*from
, struct fb_cmap
*to
);
1105 extern int fb_cmap_to_user(const struct fb_cmap
*from
, struct fb_cmap_user
*to
);
1106 extern int fb_set_cmap(struct fb_cmap
*cmap
, struct fb_info
*fb_info
);
1107 extern int fb_set_user_cmap(struct fb_cmap_user
*cmap
, struct fb_info
*fb_info
);
1108 extern const struct fb_cmap
*fb_default_cmap(int len
);
1109 extern void fb_invert_cmaps(void);
1111 struct fb_videomode
{
1112 const char *name
; /* optional */
1113 u32 refresh
; /* optional */
1128 extern const char *fb_mode_option
;
1129 extern const struct fb_videomode vesa_modes
[];
1131 struct fb_modelist
{
1132 struct list_head list
;
1133 struct fb_videomode mode
;
1136 extern int fb_find_mode(struct fb_var_screeninfo
*var
,
1137 struct fb_info
*info
, const char *mode_option
,
1138 const struct fb_videomode
*db
,
1139 unsigned int dbsize
,
1140 const struct fb_videomode
*default_mode
,
1141 unsigned int default_bpp
);
1143 #endif /* __KERNEL__ */
1145 #endif /* _LINUX_FB_H */