Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
1#ifndef _LINUX_FB_H
2#define _LINUX_FB_H
3
4#include <asm/types.h>
5#include <linux/i2c.h>
6
7/* Definitions of frame buffers */
8
9#define FB_MAJOR 29
10#define FB_MAX 32 /* sufficient for now */
11
12/* ioctls
13 0x46 is 'F' */
14#define FBIOGET_VSCREENINFO 0x4600
15#define FBIOPUT_VSCREENINFO 0x4601
16#define FBIOGET_FSCREENINFO 0x4602
17#define FBIOGETCMAP 0x4604
18#define FBIOPUTCMAP 0x4605
19#define FBIOPAN_DISPLAY 0x4606
20#ifdef __KERNEL__
21#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
22#else
23#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor)
24#endif
25/* 0x4607-0x460B are defined below */
26/* #define FBIOGET_MONITORSPEC 0x460C */
27/* #define FBIOPUT_MONITORSPEC 0x460D */
28/* #define FBIOSWITCH_MONIBIT 0x460E */
29#define FBIOGET_CON2FBMAP 0x460F
30#define FBIOPUT_CON2FBMAP 0x4610
31#define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */
32#define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank)
33#define FBIO_ALLOC 0x4613
34#define FBIO_FREE 0x4614
35#define FBIOGET_GLYPH 0x4615
36#define FBIOGET_HWCINFO 0x4616
37#define FBIOPUT_MODEINFO 0x4617
38#define FBIOGET_DISPINFO 0x4618
39
40
41#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
42#define FB_TYPE_PLANES 1 /* Non interleaved planes */
43#define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
44#define FB_TYPE_TEXT 3 /* Text/attributes */
45#define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */
46
47#define FB_AUX_TEXT_MDA 0 /* Monochrome text */
48#define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */
49#define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */
50#define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */
51#define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */
52#define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */
53#define FB_AUX_TEXT_SVGA_MASK 7 /* lower three bits says step */
54#define FB_AUX_TEXT_SVGA_STEP2 8 /* SVGA text mode: text, attr */
55#define FB_AUX_TEXT_SVGA_STEP4 9 /* SVGA text mode: text, attr, 2 reserved bytes */
56#define FB_AUX_TEXT_SVGA_STEP8 10 /* SVGA text mode: text, attr, 6 reserved bytes */
57#define FB_AUX_TEXT_SVGA_STEP16 11 /* SVGA text mode: text, attr, 14 reserved bytes */
58#define FB_AUX_TEXT_SVGA_LAST 15 /* reserved up to 15 */
59
60#define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
61#define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
62#define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */
63
64#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
65#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
66#define FB_VISUAL_TRUECOLOR 2 /* True color */
67#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
68#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
69#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
70
71#define FB_ACCEL_NONE 0 /* no hardware accelerator */
72#define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */
73#define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */
74#define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */
75#define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */
76#define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */
77#define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */
78#define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */
79#define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */
80#define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */
81#define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */
82#define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */
83#define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */
84#define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */
85#define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */
86#define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */
87#define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */
88#define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */
89#define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */
90#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
91#define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */
92#define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */
93#define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */
94#define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */
95#define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */
96#define FB_ACCEL_SUN_TCX 25 /* Sun tcx */
97#define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
98#define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */
99#define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */
100#define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */
101#define FB_ACCEL_CT_6555x 30 /* C&T 6555x */
102#define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
103#define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */
104#define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */
105#define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */
106#define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */
107#define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */
108#define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
109#define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
110#define FB_ACCEL_I810 39 /* Intel 810/815 */
111#define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
112#define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
113#define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */
114#define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */
115#define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */
116#define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */
117#define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */
118#define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */
119#define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */
120#define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */
121#define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */
122#define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */
123#define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */
124#define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */
125#define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */
126#define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */
127#define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */
128#define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */
129
130#define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */
131#define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */
132#define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */
133#define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */
134#define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */
135#define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */
136#define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */
137#define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */
138#define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */
139#define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */
140#define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */
141#define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */
142#define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */
143#define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */
144#define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */
145
146struct fb_fix_screeninfo {
147 char id[16]; /* identification string eg "TT Builtin" */
148 unsigned long smem_start; /* Start of frame buffer mem */
149 /* (physical address) */
150 __u32 smem_len; /* Length of frame buffer mem */
151 __u32 type; /* see FB_TYPE_* */
152 __u32 type_aux; /* Interleave for interleaved Planes */
153 __u32 visual; /* see FB_VISUAL_* */
154 __u16 xpanstep; /* zero if no hardware panning */
155 __u16 ypanstep; /* zero if no hardware panning */
156 __u16 ywrapstep; /* zero if no hardware ywrap */
157 __u32 line_length; /* length of a line in bytes */
158 unsigned long mmio_start; /* Start of Memory Mapped I/O */
159 /* (physical address) */
160 __u32 mmio_len; /* Length of Memory Mapped I/O */
161 __u32 accel; /* Indicate to driver which */
162 /* specific chip/card we have */
163 __u16 reserved[3]; /* Reserved for future compatibility */
164};
165
166/* Interpretation of offset for color fields: All offsets are from the right,
167 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
168 * can use the offset as right argument to <<). A pixel afterwards is a bit
169 * stream and is written to video memory as that unmodified. This implies
170 * big-endian byte order if bits_per_pixel is greater than 8.
171 */
172struct fb_bitfield {
173 __u32 offset; /* beginning of bitfield */
174 __u32 length; /* length of bitfield */
175 __u32 msb_right; /* != 0 : Most significant bit is */
176 /* right */
177};
178
179#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
180
181#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
182#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
183#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
184#define FB_ACTIVATE_MASK 15
185 /* values */
186#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
187#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
188#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
189#define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/
190#define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */
191
192#define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */
193
194#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
195#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
196#define FB_SYNC_EXT 4 /* external sync */
197#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
198#define FB_SYNC_BROADCAST 16 /* broadcast video timings */
199 /* vtotal = 144d/288n/576i => PAL */
200 /* vtotal = 121d/242n/484i => NTSC */
201#define FB_SYNC_ON_GREEN 32 /* sync on green */
202
203#define FB_VMODE_NONINTERLACED 0 /* non interlaced */
204#define FB_VMODE_INTERLACED 1 /* interlaced */
205#define FB_VMODE_DOUBLE 2 /* double scan */
206#define FB_VMODE_MASK 255
207
208#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
209#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
210#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
211
212/*
213 * Display rotation support
214 */
215#define FB_ROTATE_UR 0
216#define FB_ROTATE_CW 1
217#define FB_ROTATE_UD 2
218#define FB_ROTATE_CCW 3
219
220#define PICOS2KHZ(a) (1000000000UL/(a))
221#define KHZ2PICOS(a) (1000000000UL/(a))
222
223struct fb_var_screeninfo {
224 __u32 xres; /* visible resolution */
225 __u32 yres;
226 __u32 xres_virtual; /* virtual resolution */
227 __u32 yres_virtual;
228 __u32 xoffset; /* offset from virtual to visible */
229 __u32 yoffset; /* resolution */
230
231 __u32 bits_per_pixel; /* guess what */
232 __u32 grayscale; /* != 0 Graylevels instead of colors */
233
234 struct fb_bitfield red; /* bitfield in fb mem if true color, */
235 struct fb_bitfield green; /* else only length is significant */
236 struct fb_bitfield blue;
237 struct fb_bitfield transp; /* transparency */
238
239 __u32 nonstd; /* != 0 Non standard pixel format */
240
241 __u32 activate; /* see FB_ACTIVATE_* */
242
243 __u32 height; /* height of picture in mm */
244 __u32 width; /* width of picture in mm */
245
246 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */
247
248 /* Timing: All values in pixclocks, except pixclock (of course) */
249 __u32 pixclock; /* pixel clock in ps (pico seconds) */
250 __u32 left_margin; /* time from sync to picture */
251 __u32 right_margin; /* time from picture to sync */
252 __u32 upper_margin; /* time from sync to picture */
253 __u32 lower_margin;
254 __u32 hsync_len; /* length of horizontal sync */
255 __u32 vsync_len; /* length of vertical sync */
256 __u32 sync; /* see FB_SYNC_* */
257 __u32 vmode; /* see FB_VMODE_* */
258 __u32 rotate; /* angle we rotate counter clockwise */
259 __u32 reserved[5]; /* Reserved for future compatibility */
260};
261
262struct fb_cmap {
263 __u32 start; /* First entry */
264 __u32 len; /* Number of entries */
265 __u16 *red; /* Red values */
266 __u16 *green;
267 __u16 *blue;
268 __u16 *transp; /* transparency, can be NULL */
269};
270
271struct fb_con2fbmap {
272 __u32 console;
273 __u32 framebuffer;
274};
275
276/* VESA Blanking Levels */
277#define VESA_NO_BLANKING 0
278#define VESA_VSYNC_SUSPEND 1
279#define VESA_HSYNC_SUSPEND 2
280#define VESA_POWERDOWN 3
281
282
283enum {
284 /* screen: unblanked, hsync: on, vsync: on */
285 FB_BLANK_UNBLANK = VESA_NO_BLANKING,
286
287 /* screen: blanked, hsync: on, vsync: on */
288 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1,
289
290 /* screen: blanked, hsync: on, vsync: off */
291 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
292
293 /* screen: blanked, hsync: off, vsync: on */
294 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
295
296 /* screen: blanked, hsync: off, vsync: off */
297 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1
298};
299
300#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
301#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
302#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
303#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
304#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
305#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
306#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
307#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
308#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
309
310struct fb_vblank {
311 __u32 flags; /* FB_VBLANK flags */
312 __u32 count; /* counter of retraces since boot */
313 __u32 vcount; /* current scanline position */
314 __u32 hcount; /* current scandot position */
315 __u32 reserved[4]; /* reserved for future compatibility */
316};
317
318/* Internal HW accel */
319#define ROP_COPY 0
320#define ROP_XOR 1
321
322struct fb_copyarea {
323 __u32 dx;
324 __u32 dy;
325 __u32 width;
326 __u32 height;
327 __u32 sx;
328 __u32 sy;
329};
330
331struct fb_fillrect {
332 __u32 dx; /* screen-relative */
333 __u32 dy;
334 __u32 width;
335 __u32 height;
336 __u32 color;
337 __u32 rop;
338};
339
340struct fb_image {
341 __u32 dx; /* Where to place image */
342 __u32 dy;
343 __u32 width; /* Size of image */
344 __u32 height;
345 __u32 fg_color; /* Only used when a mono bitmap */
346 __u32 bg_color;
347 __u8 depth; /* Depth of the image */
348 const char *data; /* Pointer to image data */
349 struct fb_cmap cmap; /* color map info */
350};
351
352/*
353 * hardware cursor control
354 */
355
356#define FB_CUR_SETIMAGE 0x01
357#define FB_CUR_SETPOS 0x02
358#define FB_CUR_SETHOT 0x04
359#define FB_CUR_SETCMAP 0x08
360#define FB_CUR_SETSHAPE 0x10
361#define FB_CUR_SETSIZE 0x20
362#define FB_CUR_SETALL 0xFF
363
364struct fbcurpos {
365 __u16 x, y;
366};
367
368struct fb_cursor {
369 __u16 set; /* what to set */
370 __u16 enable; /* cursor on/off */
371 __u16 rop; /* bitop operation */
372 const char *mask; /* cursor mask bits */
373 struct fbcurpos hot; /* cursor hot spot */
374 struct fb_image image; /* Cursor image */
375};
376
377#ifdef CONFIG_FB_BACKLIGHT
378/* Settings for the generic backlight code */
379#define FB_BACKLIGHT_LEVELS 128
380#define FB_BACKLIGHT_MAX 0xFF
381#endif
382
383#ifdef __KERNEL__
384
385#include <linux/fs.h>
386#include <linux/init.h>
387#include <linux/device.h>
388#include <linux/workqueue.h>
389#include <linux/notifier.h>
390#include <linux/list.h>
391#include <linux/backlight.h>
392#include <asm/io.h>
393
394struct vm_area_struct;
395struct fb_info;
396struct device;
397struct file;
398
399/* Definitions below are used in the parsed monitor specs */
400#define FB_DPMS_ACTIVE_OFF 1
401#define FB_DPMS_SUSPEND 2
402#define FB_DPMS_STANDBY 4
403
404#define FB_DISP_DDI 1
405#define FB_DISP_ANA_700_300 2
406#define FB_DISP_ANA_714_286 4
407#define FB_DISP_ANA_1000_400 8
408#define FB_DISP_ANA_700_000 16
409
410#define FB_DISP_MONO 32
411#define FB_DISP_RGB 64
412#define FB_DISP_MULTI 128
413#define FB_DISP_UNKNOWN 256
414
415#define FB_SIGNAL_NONE 0
416#define FB_SIGNAL_BLANK_BLANK 1
417#define FB_SIGNAL_SEPARATE 2
418#define FB_SIGNAL_COMPOSITE 4
419#define FB_SIGNAL_SYNC_ON_GREEN 8
420#define FB_SIGNAL_SERRATION_ON 16
421
422#define FB_MISC_PRIM_COLOR 1
423#define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */
424struct fb_chroma {
425 __u32 redx; /* in fraction of 1024 */
426 __u32 greenx;
427 __u32 bluex;
428 __u32 whitex;
429 __u32 redy;
430 __u32 greeny;
431 __u32 bluey;
432 __u32 whitey;
433};
434
435struct fb_monspecs {
436 struct fb_chroma chroma;
437 struct fb_videomode *modedb; /* mode database */
438 __u8 manufacturer[4]; /* Manufacturer */
439 __u8 monitor[14]; /* Monitor String */
440 __u8 serial_no[14]; /* Serial Number */
441 __u8 ascii[14]; /* ? */
442 __u32 modedb_len; /* mode database length */
443 __u32 model; /* Monitor Model */
444 __u32 serial; /* Serial Number - Integer */
445 __u32 year; /* Year manufactured */
446 __u32 week; /* Week Manufactured */
447 __u32 hfmin; /* hfreq lower limit (Hz) */
448 __u32 hfmax; /* hfreq upper limit (Hz) */
449 __u32 dclkmin; /* pixelclock lower limit (Hz) */
450 __u32 dclkmax; /* pixelclock upper limit (Hz) */
451 __u16 input; /* display type - see FB_DISP_* */
452 __u16 dpms; /* DPMS support - see FB_DPMS_ */
453 __u16 signal; /* Signal Type - see FB_SIGNAL_* */
454 __u16 vfmin; /* vfreq lower limit (Hz) */
455 __u16 vfmax; /* vfreq upper limit (Hz) */
456 __u16 gamma; /* Gamma - in fractions of 100 */
457 __u16 gtf : 1; /* supports GTF */
458 __u16 misc; /* Misc flags - see FB_MISC_* */
459 __u8 version; /* EDID version... */
460 __u8 revision; /* ...and revision */
461 __u8 max_x; /* Maximum horizontal size (cm) */
462 __u8 max_y; /* Maximum vertical size (cm) */
463};
464
465struct fb_cmap_user {
466 __u32 start; /* First entry */
467 __u32 len; /* Number of entries */
468 __u16 __user *red; /* Red values */
469 __u16 __user *green;
470 __u16 __user *blue;
471 __u16 __user *transp; /* transparency, can be NULL */
472};
473
474struct fb_image_user {
475 __u32 dx; /* Where to place image */
476 __u32 dy;
477 __u32 width; /* Size of image */
478 __u32 height;
479 __u32 fg_color; /* Only used when a mono bitmap */
480 __u32 bg_color;
481 __u8 depth; /* Depth of the image */
482 const char __user *data; /* Pointer to image data */
483 struct fb_cmap_user cmap; /* color map info */
484};
485
486struct fb_cursor_user {
487 __u16 set; /* what to set */
488 __u16 enable; /* cursor on/off */
489 __u16 rop; /* bitop operation */
490 const char __user *mask; /* cursor mask bits */
491 struct fbcurpos hot; /* cursor hot spot */
492 struct fb_image_user image; /* Cursor image */
493};
494
495/*
496 * Register/unregister for framebuffer events
497 */
498
499/* The resolution of the passed in fb_info about to change */
500#define FB_EVENT_MODE_CHANGE 0x01
501/* The display on this fb_info is beeing suspended, no access to the
502 * framebuffer is allowed any more after that call returns
503 */
504#define FB_EVENT_SUSPEND 0x02
505/* The display on this fb_info was resumed, you can restore the display
506 * if you own it
507 */
508#define FB_EVENT_RESUME 0x03
509/* An entry from the modelist was removed */
510#define FB_EVENT_MODE_DELETE 0x04
511/* A driver registered itself */
512#define FB_EVENT_FB_REGISTERED 0x05
513/* A driver unregistered itself */
514#define FB_EVENT_FB_UNREGISTERED 0x06
515/* CONSOLE-SPECIFIC: get console to framebuffer mapping */
516#define FB_EVENT_GET_CONSOLE_MAP 0x07
517/* CONSOLE-SPECIFIC: set console to framebuffer mapping */
518#define FB_EVENT_SET_CONSOLE_MAP 0x08
519/* A hardware display blank change occured */
520#define FB_EVENT_BLANK 0x09
521/* Private modelist is to be replaced */
522#define FB_EVENT_NEW_MODELIST 0x0A
523/* The resolution of the passed in fb_info about to change and
524 all vc's should be changed */
525#define FB_EVENT_MODE_CHANGE_ALL 0x0B
526/* A software display blank change occured */
527#define FB_EVENT_CONBLANK 0x0C
528
529struct fb_event {
530 struct fb_info *info;
531 void *data;
532};
533
534
535extern int fb_register_client(struct notifier_block *nb);
536extern int fb_unregister_client(struct notifier_block *nb);
537extern int fb_notifier_call_chain(unsigned long val, void *v);
538/*
539 * Pixmap structure definition
540 *
541 * The purpose of this structure is to translate data
542 * from the hardware independent format of fbdev to what
543 * format the hardware needs.
544 */
545
546#define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */
547#define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */
548#define FB_PIXMAP_IO 4 /* memory is iomapped */
549#define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */
550
551struct fb_pixmap {
552 u8 *addr; /* pointer to memory */
553 u32 size; /* size of buffer in bytes */
554 u32 offset; /* current offset to buffer */
555 u32 buf_align; /* byte alignment of each bitmap */
556 u32 scan_align; /* alignment per scanline */
557 u32 access_align; /* alignment per read/write (bits) */
558 u32 flags; /* see FB_PIXMAP_* */
559 /* access methods */
560 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
561 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
562};
563
564
565/*
566 * Frame buffer operations
567 *
568 * LOCKING NOTE: those functions must _ALL_ be called with the console
569 * semaphore held, this is the only suitable locking mechanism we have
570 * in 2.6. Some may be called at interrupt time at this point though.
571 */
572
573struct fb_ops {
574 /* open/release and usage marking */
575 struct module *owner;
576 int (*fb_open)(struct fb_info *info, int user);
577 int (*fb_release)(struct fb_info *info, int user);
578
579 /* For framebuffers with strange non linear layouts or that do not
580 * work with normal memory mapped access
581 */
582 ssize_t (*fb_read)(struct file *file, char __user *buf, size_t count, loff_t *ppos);
583 ssize_t (*fb_write)(struct file *file, const char __user *buf, size_t count, loff_t *ppos);
584
585 /* checks var and eventually tweaks it to something supported,
586 * DO NOT MODIFY PAR */
587 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
588
589 /* set the video mode according to info->var */
590 int (*fb_set_par)(struct fb_info *info);
591
592 /* set color register */
593 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
594 unsigned blue, unsigned transp, struct fb_info *info);
595
596 /* set color registers in batch */
597 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
598
599 /* blank display */
600 int (*fb_blank)(int blank, struct fb_info *info);
601
602 /* pan display */
603 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
604
605 /* Draws a rectangle */
606 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
607 /* Copy data from area to another */
608 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
609 /* Draws a image to the display */
610 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
611
612 /* Draws cursor */
613 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
614
615 /* Rotates the display */
616 void (*fb_rotate)(struct fb_info *info, int angle);
617
618 /* wait for blit idle, optional */
619 int (*fb_sync)(struct fb_info *info);
620
621 /* perform fb specific ioctl (optional) */
622 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
623 unsigned long arg);
624
625 /* Handle 32bit compat ioctl (optional) */
626 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
627 unsigned long arg);
628
629 /* perform fb specific mmap */
630 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
631
632 /* save current hardware state */
633 void (*fb_save_state)(struct fb_info *info);
634
635 /* restore saved state */
636 void (*fb_restore_state)(struct fb_info *info);
637};
638
639#ifdef CONFIG_FB_TILEBLITTING
640
641#define FB_TILE_CURSOR_NONE 0
642#define FB_TILE_CURSOR_UNDERLINE 1
643#define FB_TILE_CURSOR_LOWER_THIRD 2
644#define FB_TILE_CURSOR_LOWER_HALF 3
645#define FB_TILE_CURSOR_TWO_THIRDS 4
646#define FB_TILE_CURSOR_BLOCK 5
647
648struct fb_tilemap {
649 __u32 width; /* width of each tile in pixels */
650 __u32 height; /* height of each tile in scanlines */
651 __u32 depth; /* color depth of each tile */
652 __u32 length; /* number of tiles in the map */
653 const __u8 *data; /* actual tile map: a bitmap array, packed
654 to the nearest byte */
655};
656
657struct fb_tilerect {
658 __u32 sx; /* origin in the x-axis */
659 __u32 sy; /* origin in the y-axis */
660 __u32 width; /* number of tiles in the x-axis */
661 __u32 height; /* number of tiles in the y-axis */
662 __u32 index; /* what tile to use: index to tile map */
663 __u32 fg; /* foreground color */
664 __u32 bg; /* background color */
665 __u32 rop; /* raster operation */
666};
667
668struct fb_tilearea {
669 __u32 sx; /* source origin in the x-axis */
670 __u32 sy; /* source origin in the y-axis */
671 __u32 dx; /* destination origin in the x-axis */
672 __u32 dy; /* destination origin in the y-axis */
673 __u32 width; /* number of tiles in the x-axis */
674 __u32 height; /* number of tiles in the y-axis */
675};
676
677struct fb_tileblit {
678 __u32 sx; /* origin in the x-axis */
679 __u32 sy; /* origin in the y-axis */
680 __u32 width; /* number of tiles in the x-axis */
681 __u32 height; /* number of tiles in the y-axis */
682 __u32 fg; /* foreground color */
683 __u32 bg; /* background color */
684 __u32 length; /* number of tiles to draw */
685 __u32 *indices; /* array of indices to tile map */
686};
687
688struct fb_tilecursor {
689 __u32 sx; /* cursor position in the x-axis */
690 __u32 sy; /* cursor position in the y-axis */
691 __u32 mode; /* 0 = erase, 1 = draw */
692 __u32 shape; /* see FB_TILE_CURSOR_* */
693 __u32 fg; /* foreground color */
694 __u32 bg; /* background color */
695};
696
697struct fb_tile_ops {
698 /* set tile characteristics */
699 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
700
701 /* all dimensions from hereon are in terms of tiles */
702
703 /* move a rectangular region of tiles from one area to another*/
704 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
705 /* fill a rectangular region with a tile */
706 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
707 /* copy an array of tiles */
708 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
709 /* cursor */
710 void (*fb_tilecursor)(struct fb_info *info,
711 struct fb_tilecursor *cursor);
712};
713#endif /* CONFIG_FB_TILEBLITTING */
714
715/* FBINFO_* = fb_info.flags bit flags */
716#define FBINFO_MODULE 0x0001 /* Low-level driver is a module */
717#define FBINFO_HWACCEL_DISABLED 0x0002
718 /* When FBINFO_HWACCEL_DISABLED is set:
719 * Hardware acceleration is turned off. Software implementations
720 * of required functions (copyarea(), fillrect(), and imageblit())
721 * takes over; acceleration engine should be in a quiescent state */
722
723/* hints */
724#define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */
725#define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */
726
727/* hardware supported ops */
728/* semantics: when a bit is set, it indicates that the operation is
729 * accelerated by hardware.
730 * required functions will still work even if the bit is not set.
731 * optional functions may not even exist if the flag bit is not set.
732 */
733#define FBINFO_HWACCEL_NONE 0x0000
734#define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */
735#define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */
736#define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */
737#define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */
738#define FBINFO_HWACCEL_XPAN 0x1000 /* optional */
739#define FBINFO_HWACCEL_YPAN 0x2000 /* optional */
740#define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */
741
742#define FBINFO_MISC_USEREVENT 0x10000 /* event request
743 from userspace */
744#define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */
745
746/* A driver may set this flag to indicate that it does want a set_par to be
747 * called every time when fbcon_switch is executed. The advantage is that with
748 * this flag set you can really be sure that set_par is always called before
749 * any of the functions dependant on the correct hardware state or altering
750 * that state, even if you are using some broken X releases. The disadvantage
751 * is that it introduces unwanted delays to every console switch if set_par
752 * is slow. It is a good idea to try this flag in the drivers initialization
753 * code whenever there is a bug report related to switching between X and the
754 * framebuffer console.
755 */
756#define FBINFO_MISC_ALWAYS_SETPAR 0x40000
757
758struct fb_info {
759 int node;
760 int flags;
761 struct fb_var_screeninfo var; /* Current var */
762 struct fb_fix_screeninfo fix; /* Current fix */
763 struct fb_monspecs monspecs; /* Current Monitor specs */
764 struct work_struct queue; /* Framebuffer event queue */
765 struct fb_pixmap pixmap; /* Image hardware mapper */
766 struct fb_pixmap sprite; /* Cursor hardware mapper */
767 struct fb_cmap cmap; /* Current cmap */
768 struct list_head modelist; /* mode list */
769 struct fb_videomode *mode; /* current mode */
770
771#ifdef CONFIG_FB_BACKLIGHT
772 /* assigned backlight device */
773 /* set before framebuffer registration,
774 remove after unregister */
775 struct backlight_device *bl_dev;
776
777 /* Backlight level curve */
778 struct mutex bl_curve_mutex;
779 u8 bl_curve[FB_BACKLIGHT_LEVELS];
780#endif
781
782 struct fb_ops *fbops;
783 struct device *device; /* This is the parent */
784 struct device *dev; /* This is this fb device */
785 int class_flag; /* private sysfs flags */
786#ifdef CONFIG_FB_TILEBLITTING
787 struct fb_tile_ops *tileops; /* Tile Blitting */
788#endif
789 char __iomem *screen_base; /* Virtual address */
790 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */
791 void *pseudo_palette; /* Fake palette of 16 colors */
792#define FBINFO_STATE_RUNNING 0
793#define FBINFO_STATE_SUSPENDED 1
794 u32 state; /* Hardware state i.e suspend */
795 void *fbcon_par; /* fbcon use-only private area */
796 /* From here on everything is device dependent */
797 void *par;
798};
799
800#ifdef MODULE
801#define FBINFO_DEFAULT FBINFO_MODULE
802#else
803#define FBINFO_DEFAULT 0
804#endif
805
806// This will go away
807#define FBINFO_FLAG_MODULE FBINFO_MODULE
808#define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT
809
810/* This will go away
811 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
812 * when it wants to turn the acceleration engine on. This is
813 * really a separate operation, and should be modified via sysfs.
814 * But for now, we leave it broken with the following define
815 */
816#define STUPID_ACCELF_TEXT_SHIT
817
818// This will go away
819#if defined(__sparc__)
820
821/* We map all of our framebuffers such that big-endian accesses
822 * are what we want, so the following is sufficient.
823 */
824
825// This will go away
826#define fb_readb sbus_readb
827#define fb_readw sbus_readw
828#define fb_readl sbus_readl
829#define fb_readq sbus_readq
830#define fb_writeb sbus_writeb
831#define fb_writew sbus_writew
832#define fb_writel sbus_writel
833#define fb_writeq sbus_writeq
834#define fb_memset sbus_memset_io
835
836#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__)
837
838#define fb_readb __raw_readb
839#define fb_readw __raw_readw
840#define fb_readl __raw_readl
841#define fb_readq __raw_readq
842#define fb_writeb __raw_writeb
843#define fb_writew __raw_writew
844#define fb_writel __raw_writel
845#define fb_writeq __raw_writeq
846#define fb_memset memset_io
847
848#else
849
850#define fb_readb(addr) (*(volatile u8 *) (addr))
851#define fb_readw(addr) (*(volatile u16 *) (addr))
852#define fb_readl(addr) (*(volatile u32 *) (addr))
853#define fb_readq(addr) (*(volatile u64 *) (addr))
854#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
855#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
856#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
857#define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
858#define fb_memset memset
859
860#endif
861
862#if defined (__BIG_ENDIAN)
863#define FB_LEFT_POS(bpp) (32 - bpp)
864#define FB_SHIFT_HIGH(val, bits) ((val) >> (bits))
865#define FB_SHIFT_LOW(val, bits) ((val) << (bits))
866#else
867#define FB_LEFT_POS(bpp) (0)
868#define FB_SHIFT_HIGH(val, bits) ((val) << (bits))
869#define FB_SHIFT_LOW(val, bits) ((val) >> (bits))
870#endif
871
872 /*
873 * `Generic' versions of the frame buffer device operations
874 */
875
876extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
877extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
878extern int fb_blank(struct fb_info *info, int blank);
879extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
880extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
881extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
882
883/* drivers/video/fbmem.c */
884extern int register_framebuffer(struct fb_info *fb_info);
885extern int unregister_framebuffer(struct fb_info *fb_info);
886extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
887extern int fb_show_logo(struct fb_info *fb_info, int rotate);
888extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
889extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
890 u32 height, u32 shift_high, u32 shift_low, u32 mod);
891extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
892extern void fb_set_suspend(struct fb_info *info, int state);
893extern int fb_get_color_depth(struct fb_var_screeninfo *var,
894 struct fb_fix_screeninfo *fix);
895extern int fb_get_options(char *name, char **option);
896extern int fb_new_modelist(struct fb_info *info);
897
898extern struct fb_info *registered_fb[FB_MAX];
899extern int num_registered_fb;
900
901static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
902 u8 *src, u32 s_pitch, u32 height)
903{
904 int i, j;
905
906 d_pitch -= s_pitch;
907
908 for (i = height; i--; ) {
909 /* s_pitch is a few bytes at the most, memcpy is suboptimal */
910 for (j = 0; j < s_pitch; j++)
911 *dst++ = *src++;
912 dst += d_pitch;
913 }
914}
915
916/* drivers/video/fbsysfs.c */
917extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
918extern void framebuffer_release(struct fb_info *info);
919extern int fb_init_device(struct fb_info *fb_info);
920extern void fb_cleanup_device(struct fb_info *head);
921extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
922
923/* drivers/video/fbmon.c */
924#define FB_MAXTIMINGS 0
925#define FB_VSYNCTIMINGS 1
926#define FB_HSYNCTIMINGS 2
927#define FB_DCLKTIMINGS 3
928#define FB_IGNOREMON 0x100
929
930#define FB_MODE_IS_UNKNOWN 0
931#define FB_MODE_IS_DETAILED 1
932#define FB_MODE_IS_STANDARD 2
933#define FB_MODE_IS_VESA 4
934#define FB_MODE_IS_CALCULATED 8
935#define FB_MODE_IS_FIRST 16
936#define FB_MODE_IS_FROM_VAR 32
937
938extern int fbmon_dpms(const struct fb_info *fb_info);
939extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
940 struct fb_info *info);
941extern int fb_validate_mode(const struct fb_var_screeninfo *var,
942 struct fb_info *info);
943extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
944extern const unsigned char *fb_firmware_edid(struct device *device);
945extern void fb_edid_to_monspecs(unsigned char *edid,
946 struct fb_monspecs *specs);
947extern void fb_destroy_modedb(struct fb_videomode *modedb);
948extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
949extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
950
951/* drivers/video/modedb.c */
952#define VESA_MODEDB_SIZE 34
953extern void fb_var_to_videomode(struct fb_videomode *mode,
954 const struct fb_var_screeninfo *var);
955extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
956 const struct fb_videomode *mode);
957extern int fb_mode_is_equal(const struct fb_videomode *mode1,
958 const struct fb_videomode *mode2);
959extern int fb_add_videomode(const struct fb_videomode *mode,
960 struct list_head *head);
961extern void fb_delete_videomode(const struct fb_videomode *mode,
962 struct list_head *head);
963extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
964 struct list_head *head);
965extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
966 struct list_head *head);
967extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
968 struct list_head *head);
969extern void fb_destroy_modelist(struct list_head *head);
970extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
971 struct list_head *head);
972extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
973 struct list_head *head);
974
975/* drivers/video/fbcmap.c */
976extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
977extern void fb_dealloc_cmap(struct fb_cmap *cmap);
978extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
979extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
980extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
981extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
982extern const struct fb_cmap *fb_default_cmap(int len);
983extern void fb_invert_cmaps(void);
984
985struct fb_videomode {
986 const char *name; /* optional */
987 u32 refresh; /* optional */
988 u32 xres;
989 u32 yres;
990 u32 pixclock;
991 u32 left_margin;
992 u32 right_margin;
993 u32 upper_margin;
994 u32 lower_margin;
995 u32 hsync_len;
996 u32 vsync_len;
997 u32 sync;
998 u32 vmode;
999 u32 flag;
1000};
1001
1002extern const struct fb_videomode vesa_modes[];
1003
1004struct fb_modelist {
1005 struct list_head list;
1006 struct fb_videomode mode;
1007};
1008
1009extern int fb_find_mode(struct fb_var_screeninfo *var,
1010 struct fb_info *info, const char *mode_option,
1011 const struct fb_videomode *db,
1012 unsigned int dbsize,
1013 const struct fb_videomode *default_mode,
1014 unsigned int default_bpp);
1015
1016#endif /* __KERNEL__ */
1017
1018#endif /* _LINUX_FB_H */