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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _LINUX_FB_H
2#define _LINUX_FB_H
3
Jaswinder Singh Rajput00bfdda2009-01-15 13:51:26 -08004#include <linux/types.h>
Dennis Munsiefc5891c2006-10-03 01:14:42 -07005#include <linux/i2c.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07006
Paul Mundt5e841b82007-05-08 00:37:41 -07007struct dentry;
8
Linus Torvalds1da177e2005-04-16 15:20:36 -07009/* Definitions of frame buffers */
10
Linus Torvalds1da177e2005-04-16 15:20:36 -070011#define FB_MAX 32 /* sufficient for now */
12
13/* ioctls
14 0x46 is 'F' */
15#define FBIOGET_VSCREENINFO 0x4600
16#define FBIOPUT_VSCREENINFO 0x4601
17#define FBIOGET_FSCREENINFO 0x4602
18#define FBIOGETCMAP 0x4604
19#define FBIOPUTCMAP 0x4605
20#define FBIOPAN_DISPLAY 0x4606
21#ifdef __KERNEL__
22#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
23#else
24#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor)
25#endif
26/* 0x4607-0x460B are defined below */
27/* #define FBIOGET_MONITORSPEC 0x460C */
28/* #define FBIOPUT_MONITORSPEC 0x460D */
29/* #define FBIOSWITCH_MONIBIT 0x460E */
30#define FBIOGET_CON2FBMAP 0x460F
31#define FBIOPUT_CON2FBMAP 0x4610
32#define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */
33#define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank)
34#define FBIO_ALLOC 0x4613
35#define FBIO_FREE 0x4614
36#define FBIOGET_GLYPH 0x4615
37#define FBIOGET_HWCINFO 0x4616
38#define FBIOPUT_MODEINFO 0x4617
39#define FBIOGET_DISPINFO 0x4618
40
41
42#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
43#define FB_TYPE_PLANES 1 /* Non interleaved planes */
44#define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
45#define FB_TYPE_TEXT 3 /* Text/attributes */
46#define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */
47
48#define FB_AUX_TEXT_MDA 0 /* Monochrome text */
49#define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */
50#define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */
51#define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */
52#define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */
Ondrej Zajiceka2684222007-02-12 00:54:49 -080053#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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070060
61#define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
62#define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
63#define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */
64
65#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
66#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
67#define FB_VISUAL_TRUECOLOR 2 /* True color */
68#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
69#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
70#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
71
72#define FB_ACCEL_NONE 0 /* no hardware accelerator */
73#define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */
74#define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */
75#define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */
76#define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */
77#define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */
78#define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */
79#define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */
80#define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */
81#define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */
82#define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */
83#define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */
84#define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */
85#define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */
86#define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */
87#define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */
88#define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */
89#define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */
90#define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */
91#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
92#define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */
93#define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */
94#define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */
95#define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */
96#define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */
97#define FB_ACCEL_SUN_TCX 25 /* Sun tcx */
98#define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
99#define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */
100#define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */
101#define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */
102#define FB_ACCEL_CT_6555x 30 /* C&T 6555x */
103#define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
104#define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */
105#define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */
106#define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */
107#define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */
108#define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */
109#define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
110#define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
111#define FB_ACCEL_I810 39 /* Intel 810/815 */
112#define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
113#define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
114#define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */
115#define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */
116#define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */
117#define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */
118#define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */
Thomas Winischhofer544393f2005-09-09 13:04:45 -0700119#define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */
120#define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */
Imre Deakfe0e3a92007-07-17 04:05:55 -0700121#define FB_ACCEL_OMAP1610 49 /* TI OMAP16xx */
Krzysztof Helt01a2d9e2008-07-23 21:31:04 -0700122#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 */
Krzysztof Helt614c0dc2009-03-31 15:25:15 -0700126#define FB_ACCEL_CIRRUS_ALPINE 53 /* Cirrus Logic 543x/544x/5480 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127#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 */
Daniel Mack52a7a1c2009-09-10 15:26:30 +0200136#define FB_ACCEL_PXA3XX 99 /* PXA3xx */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137
138#define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */
139#define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */
140#define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */
141#define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */
142#define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */
143#define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */
144#define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */
145#define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */
146#define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */
147#define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */
148#define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */
149#define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */
150#define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */
151#define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */
152#define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */
153
154struct fb_fix_screeninfo {
155 char id[16]; /* identification string eg "TT Builtin" */
156 unsigned long smem_start; /* Start of frame buffer mem */
157 /* (physical address) */
158 __u32 smem_len; /* Length of frame buffer mem */
159 __u32 type; /* see FB_TYPE_* */
160 __u32 type_aux; /* Interleave for interleaved Planes */
161 __u32 visual; /* see FB_VISUAL_* */
162 __u16 xpanstep; /* zero if no hardware panning */
163 __u16 ypanstep; /* zero if no hardware panning */
164 __u16 ywrapstep; /* zero if no hardware ywrap */
165 __u32 line_length; /* length of a line in bytes */
166 unsigned long mmio_start; /* Start of Memory Mapped I/O */
167 /* (physical address) */
168 __u32 mmio_len; /* Length of Memory Mapped I/O */
169 __u32 accel; /* Indicate to driver which */
170 /* specific chip/card we have */
171 __u16 reserved[3]; /* Reserved for future compatibility */
172};
173
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
Michal Januszewskiebde4412009-04-13 14:39:41 -0700177 * stream and is written to video memory as that unmodified.
178 *
179 * For pseudocolor: offset and length should be the same for all color
180 * components. Offset specifies the position of the least significant bit
181 * of the pallette index in a pixel value. Length indicates the number
182 * of available palette entries (i.e. # of entries = 1 << length).
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183 */
184struct fb_bitfield {
185 __u32 offset; /* beginning of bitfield */
186 __u32 length; /* length of bitfield */
187 __u32 msb_right; /* != 0 : Most significant bit is */
188 /* right */
189};
190
191#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
Pavel Pisa779121e2007-10-16 01:29:21 -0700192#define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193
194#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
195#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
196#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
197#define FB_ACTIVATE_MASK 15
198 /* values */
199#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
200#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
201#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
202#define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/
203#define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */
204
205#define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */
206
207#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
208#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
209#define FB_SYNC_EXT 4 /* external sync */
210#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
211#define FB_SYNC_BROADCAST 16 /* broadcast video timings */
212 /* vtotal = 144d/288n/576i => PAL */
213 /* vtotal = 121d/242n/484i => NTSC */
214#define FB_SYNC_ON_GREEN 32 /* sync on green */
215
216#define FB_VMODE_NONINTERLACED 0 /* non interlaced */
217#define FB_VMODE_INTERLACED 1 /* interlaced */
218#define FB_VMODE_DOUBLE 2 /* double scan */
Krzysztof Halasa394d3af2007-10-16 01:29:34 -0700219#define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220#define FB_VMODE_MASK 255
221
222#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
223#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
224#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
225
Antonino A. Daplase4fc2762005-11-08 21:39:09 -0800226/*
227 * Display rotation support
228 */
229#define FB_ROTATE_UR 0
230#define FB_ROTATE_CW 1
231#define FB_ROTATE_UD 2
232#define FB_ROTATE_CCW 3
233
Linus Torvalds1da177e2005-04-16 15:20:36 -0700234#define PICOS2KHZ(a) (1000000000UL/(a))
235#define KHZ2PICOS(a) (1000000000UL/(a))
236
237struct fb_var_screeninfo {
238 __u32 xres; /* visible resolution */
239 __u32 yres;
240 __u32 xres_virtual; /* virtual resolution */
241 __u32 yres_virtual;
242 __u32 xoffset; /* offset from virtual to visible */
243 __u32 yoffset; /* resolution */
244
245 __u32 bits_per_pixel; /* guess what */
246 __u32 grayscale; /* != 0 Graylevels instead of colors */
247
248 struct fb_bitfield red; /* bitfield in fb mem if true color, */
249 struct fb_bitfield green; /* else only length is significant */
250 struct fb_bitfield blue;
251 struct fb_bitfield transp; /* transparency */
252
253 __u32 nonstd; /* != 0 Non standard pixel format */
254
255 __u32 activate; /* see FB_ACTIVATE_* */
256
257 __u32 height; /* height of picture in mm */
258 __u32 width; /* width of picture in mm */
259
260 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */
261
262 /* Timing: All values in pixclocks, except pixclock (of course) */
263 __u32 pixclock; /* pixel clock in ps (pico seconds) */
264 __u32 left_margin; /* time from sync to picture */
265 __u32 right_margin; /* time from picture to sync */
266 __u32 upper_margin; /* time from sync to picture */
267 __u32 lower_margin;
268 __u32 hsync_len; /* length of horizontal sync */
269 __u32 vsync_len; /* length of vertical sync */
270 __u32 sync; /* see FB_SYNC_* */
271 __u32 vmode; /* see FB_VMODE_* */
272 __u32 rotate; /* angle we rotate counter clockwise */
273 __u32 reserved[5]; /* Reserved for future compatibility */
274};
275
276struct fb_cmap {
277 __u32 start; /* First entry */
278 __u32 len; /* Number of entries */
279 __u16 *red; /* Red values */
280 __u16 *green;
281 __u16 *blue;
282 __u16 *transp; /* transparency, can be NULL */
283};
284
285struct fb_con2fbmap {
286 __u32 console;
287 __u32 framebuffer;
288};
289
290/* VESA Blanking Levels */
291#define VESA_NO_BLANKING 0
292#define VESA_VSYNC_SUSPEND 1
293#define VESA_HSYNC_SUSPEND 2
294#define VESA_POWERDOWN 3
295
296
297enum {
298 /* screen: unblanked, hsync: on, vsync: on */
299 FB_BLANK_UNBLANK = VESA_NO_BLANKING,
300
301 /* screen: blanked, hsync: on, vsync: on */
302 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1,
303
304 /* screen: blanked, hsync: on, vsync: off */
305 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
306
307 /* screen: blanked, hsync: off, vsync: on */
308 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
309
310 /* screen: blanked, hsync: off, vsync: off */
311 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1
312};
313
314#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
315#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
316#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
317#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
318#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
319#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
320#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
321#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
322#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
323
324struct fb_vblank {
325 __u32 flags; /* FB_VBLANK flags */
326 __u32 count; /* counter of retraces since boot */
327 __u32 vcount; /* current scanline position */
328 __u32 hcount; /* current scandot position */
329 __u32 reserved[4]; /* reserved for future compatibility */
330};
331
332/* Internal HW accel */
333#define ROP_COPY 0
334#define ROP_XOR 1
335
336struct fb_copyarea {
337 __u32 dx;
338 __u32 dy;
339 __u32 width;
340 __u32 height;
341 __u32 sx;
342 __u32 sy;
343};
344
345struct fb_fillrect {
346 __u32 dx; /* screen-relative */
347 __u32 dy;
348 __u32 width;
349 __u32 height;
350 __u32 color;
351 __u32 rop;
352};
353
354struct fb_image {
355 __u32 dx; /* Where to place image */
356 __u32 dy;
357 __u32 width; /* Size of image */
358 __u32 height;
359 __u32 fg_color; /* Only used when a mono bitmap */
360 __u32 bg_color;
361 __u8 depth; /* Depth of the image */
362 const char *data; /* Pointer to image data */
363 struct fb_cmap cmap; /* color map info */
364};
365
366/*
367 * hardware cursor control
368 */
369
370#define FB_CUR_SETIMAGE 0x01
371#define FB_CUR_SETPOS 0x02
372#define FB_CUR_SETHOT 0x04
373#define FB_CUR_SETCMAP 0x08
374#define FB_CUR_SETSHAPE 0x10
375#define FB_CUR_SETSIZE 0x20
376#define FB_CUR_SETALL 0xFF
377
378struct fbcurpos {
379 __u16 x, y;
380};
381
382struct fb_cursor {
383 __u16 set; /* what to set */
384 __u16 enable; /* cursor on/off */
385 __u16 rop; /* bitop operation */
386 const char *mask; /* cursor mask bits */
387 struct fbcurpos hot; /* cursor hot spot */
388 struct fb_image image; /* Cursor image */
389};
390
Michael Hanselmann5474c122006-06-25 05:47:08 -0700391#ifdef CONFIG_FB_BACKLIGHT
392/* Settings for the generic backlight code */
393#define FB_BACKLIGHT_LEVELS 128
394#define FB_BACKLIGHT_MAX 0xFF
395#endif
396
Linus Torvalds1da177e2005-04-16 15:20:36 -0700397#ifdef __KERNEL__
398
399#include <linux/fs.h>
400#include <linux/init.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700401#include <linux/device.h>
402#include <linux/workqueue.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700403#include <linux/notifier.h>
404#include <linux/list.h>
Michal Januszewski2b257422006-08-13 23:24:26 -0700405#include <linux/backlight.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700406#include <asm/io.h>
407
408struct vm_area_struct;
409struct fb_info;
410struct device;
411struct file;
412
413/* Definitions below are used in the parsed monitor specs */
414#define FB_DPMS_ACTIVE_OFF 1
415#define FB_DPMS_SUSPEND 2
416#define FB_DPMS_STANDBY 4
417
418#define FB_DISP_DDI 1
419#define FB_DISP_ANA_700_300 2
420#define FB_DISP_ANA_714_286 4
421#define FB_DISP_ANA_1000_400 8
422#define FB_DISP_ANA_700_000 16
423
424#define FB_DISP_MONO 32
425#define FB_DISP_RGB 64
426#define FB_DISP_MULTI 128
427#define FB_DISP_UNKNOWN 256
428
429#define FB_SIGNAL_NONE 0
430#define FB_SIGNAL_BLANK_BLANK 1
431#define FB_SIGNAL_SEPARATE 2
432#define FB_SIGNAL_COMPOSITE 4
433#define FB_SIGNAL_SYNC_ON_GREEN 8
434#define FB_SIGNAL_SERRATION_ON 16
435
436#define FB_MISC_PRIM_COLOR 1
437#define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */
438struct fb_chroma {
439 __u32 redx; /* in fraction of 1024 */
440 __u32 greenx;
441 __u32 bluex;
442 __u32 whitex;
443 __u32 redy;
444 __u32 greeny;
445 __u32 bluey;
446 __u32 whitey;
447};
448
449struct fb_monspecs {
450 struct fb_chroma chroma;
451 struct fb_videomode *modedb; /* mode database */
452 __u8 manufacturer[4]; /* Manufacturer */
453 __u8 monitor[14]; /* Monitor String */
454 __u8 serial_no[14]; /* Serial Number */
455 __u8 ascii[14]; /* ? */
456 __u32 modedb_len; /* mode database length */
457 __u32 model; /* Monitor Model */
458 __u32 serial; /* Serial Number - Integer */
459 __u32 year; /* Year manufactured */
460 __u32 week; /* Week Manufactured */
461 __u32 hfmin; /* hfreq lower limit (Hz) */
462 __u32 hfmax; /* hfreq upper limit (Hz) */
463 __u32 dclkmin; /* pixelclock lower limit (Hz) */
464 __u32 dclkmax; /* pixelclock upper limit (Hz) */
465 __u16 input; /* display type - see FB_DISP_* */
466 __u16 dpms; /* DPMS support - see FB_DPMS_ */
467 __u16 signal; /* Signal Type - see FB_SIGNAL_* */
468 __u16 vfmin; /* vfreq lower limit (Hz) */
469 __u16 vfmax; /* vfreq upper limit (Hz) */
470 __u16 gamma; /* Gamma - in fractions of 100 */
471 __u16 gtf : 1; /* supports GTF */
472 __u16 misc; /* Misc flags - see FB_MISC_* */
473 __u8 version; /* EDID version... */
474 __u8 revision; /* ...and revision */
475 __u8 max_x; /* Maximum horizontal size (cm) */
476 __u8 max_y; /* Maximum vertical size (cm) */
477};
478
479struct fb_cmap_user {
480 __u32 start; /* First entry */
481 __u32 len; /* Number of entries */
482 __u16 __user *red; /* Red values */
483 __u16 __user *green;
484 __u16 __user *blue;
485 __u16 __user *transp; /* transparency, can be NULL */
486};
487
488struct fb_image_user {
489 __u32 dx; /* Where to place image */
490 __u32 dy;
491 __u32 width; /* Size of image */
492 __u32 height;
493 __u32 fg_color; /* Only used when a mono bitmap */
494 __u32 bg_color;
495 __u8 depth; /* Depth of the image */
496 const char __user *data; /* Pointer to image data */
497 struct fb_cmap_user cmap; /* color map info */
498};
499
500struct fb_cursor_user {
501 __u16 set; /* what to set */
502 __u16 enable; /* cursor on/off */
503 __u16 rop; /* bitop operation */
504 const char __user *mask; /* cursor mask bits */
505 struct fbcurpos hot; /* cursor hot spot */
506 struct fb_image_user image; /* Cursor image */
507};
508
509/*
510 * Register/unregister for framebuffer events
511 */
512
513/* The resolution of the passed in fb_info about to change */
514#define FB_EVENT_MODE_CHANGE 0x01
515/* The display on this fb_info is beeing suspended, no access to the
516 * framebuffer is allowed any more after that call returns
517 */
518#define FB_EVENT_SUSPEND 0x02
519/* The display on this fb_info was resumed, you can restore the display
520 * if you own it
521 */
522#define FB_EVENT_RESUME 0x03
523/* An entry from the modelist was removed */
524#define FB_EVENT_MODE_DELETE 0x04
525/* A driver registered itself */
526#define FB_EVENT_FB_REGISTERED 0x05
Antonino A. Daplase614b182006-06-26 00:27:09 -0700527/* A driver unregistered itself */
528#define FB_EVENT_FB_UNREGISTERED 0x06
Antonino A. Daplase4fc2762005-11-08 21:39:09 -0800529/* CONSOLE-SPECIFIC: get console to framebuffer mapping */
Antonino A. Daplase614b182006-06-26 00:27:09 -0700530#define FB_EVENT_GET_CONSOLE_MAP 0x07
Antonino A. Daplase4fc2762005-11-08 21:39:09 -0800531/* CONSOLE-SPECIFIC: set console to framebuffer mapping */
Antonino A. Daplase614b182006-06-26 00:27:09 -0700532#define FB_EVENT_SET_CONSOLE_MAP 0x08
Richard Purdie994efac2007-02-09 09:46:45 +0000533/* A hardware display blank change occured */
Antonino A. Daplase614b182006-06-26 00:27:09 -0700534#define FB_EVENT_BLANK 0x09
Linus Torvalds1da177e2005-04-16 15:20:36 -0700535/* Private modelist is to be replaced */
Antonino A. Daplase614b182006-06-26 00:27:09 -0700536#define FB_EVENT_NEW_MODELIST 0x0A
Antonino A. Daplas7726e9e2005-09-09 13:04:29 -0700537/* The resolution of the passed in fb_info about to change and
538 all vc's should be changed */
Antonino A. Daplase614b182006-06-26 00:27:09 -0700539#define FB_EVENT_MODE_CHANGE_ALL 0x0B
Richard Purdie994efac2007-02-09 09:46:45 +0000540/* A software display blank change occured */
541#define FB_EVENT_CONBLANK 0x0C
Antonino A. Daplas38a3dc52007-05-08 00:39:37 -0700542/* Get drawing requirements */
543#define FB_EVENT_GET_REQ 0x0D
Jesse Barnescfafca82007-07-17 04:05:33 -0700544/* Unbind from the console if possible */
545#define FB_EVENT_FB_UNBIND 0x0E
Linus Torvalds1da177e2005-04-16 15:20:36 -0700546
547struct fb_event {
548 struct fb_info *info;
549 void *data;
550};
551
Antonino A. Daplas38a3dc52007-05-08 00:39:37 -0700552struct fb_blit_caps {
553 u32 x;
554 u32 y;
555 u32 len;
556 u32 flags;
557};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700558
559extern int fb_register_client(struct notifier_block *nb);
560extern int fb_unregister_client(struct notifier_block *nb);
Antonino A. Daplas256154f2006-07-30 03:04:17 -0700561extern int fb_notifier_call_chain(unsigned long val, void *v);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700562/*
563 * Pixmap structure definition
564 *
565 * The purpose of this structure is to translate data
566 * from the hardware independent format of fbdev to what
567 * format the hardware needs.
568 */
569
570#define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */
571#define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */
572#define FB_PIXMAP_IO 4 /* memory is iomapped */
573#define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */
574
575struct fb_pixmap {
576 u8 *addr; /* pointer to memory */
577 u32 size; /* size of buffer in bytes */
578 u32 offset; /* current offset to buffer */
579 u32 buf_align; /* byte alignment of each bitmap */
580 u32 scan_align; /* alignment per scanline */
James Simmonsf5a99512005-06-21 17:16:58 -0700581 u32 access_align; /* alignment per read/write (bits) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700582 u32 flags; /* see FB_PIXMAP_* */
Antonino A. Daplasbf26ad72007-05-08 00:39:09 -0700583 u32 blit_x; /* supported bit block dimensions (1-32)*/
584 u32 blit_y; /* Format: blit_x = 1 << (width - 1) */
585 /* blit_y = 1 << (height - 1) */
586 /* if 0, will be set to 0xffffffff (all)*/
Linus Torvalds1da177e2005-04-16 15:20:36 -0700587 /* access methods */
James Simmonsf5a99512005-06-21 17:16:58 -0700588 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size);
589 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700590};
591
Jaya Kumar60b59be2007-05-08 00:37:37 -0700592#ifdef CONFIG_FB_DEFERRED_IO
593struct fb_deferred_io {
594 /* delay between mkwrite and deferred handler */
595 unsigned long delay;
596 struct mutex lock; /* mutex that protects the page list */
597 struct list_head pagelist; /* list of touched pages */
598 /* callback */
599 void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
600};
601#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700602
603/*
604 * Frame buffer operations
605 *
606 * LOCKING NOTE: those functions must _ALL_ be called with the console
Adrian Bunkb3c2ffd2006-06-30 18:20:44 +0200607 * semaphore held, this is the only suitable locking mechanism we have
Linus Torvalds1da177e2005-04-16 15:20:36 -0700608 * in 2.6. Some may be called at interrupt time at this point though.
609 */
610
611struct fb_ops {
612 /* open/release and usage marking */
613 struct module *owner;
614 int (*fb_open)(struct fb_info *info, int user);
615 int (*fb_release)(struct fb_info *info, int user);
616
617 /* For framebuffers with strange non linear layouts or that do not
618 * work with normal memory mapped access
619 */
Antonino A. Daplas3f9b0882007-05-08 00:39:02 -0700620 ssize_t (*fb_read)(struct fb_info *info, char __user *buf,
621 size_t count, loff_t *ppos);
622 ssize_t (*fb_write)(struct fb_info *info, const char __user *buf,
623 size_t count, loff_t *ppos);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700624
625 /* checks var and eventually tweaks it to something supported,
626 * DO NOT MODIFY PAR */
627 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
628
629 /* set the video mode according to info->var */
630 int (*fb_set_par)(struct fb_info *info);
631
632 /* set color register */
633 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
634 unsigned blue, unsigned transp, struct fb_info *info);
635
Benjamin Herrenschmidt71494372005-05-01 08:59:22 -0700636 /* set color registers in batch */
637 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
638
Linus Torvalds1da177e2005-04-16 15:20:36 -0700639 /* blank display */
640 int (*fb_blank)(int blank, struct fb_info *info);
641
642 /* pan display */
643 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
644
645 /* Draws a rectangle */
646 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
647 /* Copy data from area to another */
648 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
649 /* Draws a image to the display */
650 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
651
652 /* Draws cursor */
653 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
654
655 /* Rotates the display */
656 void (*fb_rotate)(struct fb_info *info, int angle);
657
658 /* wait for blit idle, optional */
659 int (*fb_sync)(struct fb_info *info);
660
661 /* perform fb specific ioctl (optional) */
Christoph Hellwig67a66802006-01-14 13:21:25 -0800662 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
663 unsigned long arg);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700664
665 /* Handle 32bit compat ioctl (optional) */
Christoph Hellwig67a66802006-01-14 13:21:25 -0800666 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
667 unsigned long arg);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700668
669 /* perform fb specific mmap */
Christoph Hellwig216d5262006-01-14 13:21:25 -0800670 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
Antonino A. Daplas47434842005-12-12 22:17:16 -0800671
Antonino A. Daplas38a3dc52007-05-08 00:39:37 -0700672 /* get capability given var */
673 void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps,
674 struct fb_var_screeninfo *var);
Dave Airlie4410f392009-06-16 15:34:38 -0700675
676 /* teardown any resources to do with this framebuffer */
677 void (*fb_destroy)(struct fb_info *info);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700678};
679
680#ifdef CONFIG_FB_TILEBLITTING
Linus Torvalds1da177e2005-04-16 15:20:36 -0700681#define FB_TILE_CURSOR_NONE 0
682#define FB_TILE_CURSOR_UNDERLINE 1
683#define FB_TILE_CURSOR_LOWER_THIRD 2
684#define FB_TILE_CURSOR_LOWER_HALF 3
685#define FB_TILE_CURSOR_TWO_THIRDS 4
686#define FB_TILE_CURSOR_BLOCK 5
687
688struct fb_tilemap {
689 __u32 width; /* width of each tile in pixels */
690 __u32 height; /* height of each tile in scanlines */
691 __u32 depth; /* color depth of each tile */
692 __u32 length; /* number of tiles in the map */
Jan Beulich2f4516d2005-09-13 01:25:44 -0700693 const __u8 *data; /* actual tile map: a bitmap array, packed
Linus Torvalds1da177e2005-04-16 15:20:36 -0700694 to the nearest byte */
695};
696
697struct fb_tilerect {
698 __u32 sx; /* origin in the x-axis */
699 __u32 sy; /* origin in the y-axis */
700 __u32 width; /* number of tiles in the x-axis */
701 __u32 height; /* number of tiles in the y-axis */
702 __u32 index; /* what tile to use: index to tile map */
703 __u32 fg; /* foreground color */
704 __u32 bg; /* background color */
705 __u32 rop; /* raster operation */
706};
707
708struct fb_tilearea {
709 __u32 sx; /* source origin in the x-axis */
710 __u32 sy; /* source origin in the y-axis */
711 __u32 dx; /* destination origin in the x-axis */
712 __u32 dy; /* destination origin in the y-axis */
713 __u32 width; /* number of tiles in the x-axis */
714 __u32 height; /* number of tiles in the y-axis */
715};
716
717struct fb_tileblit {
718 __u32 sx; /* origin in the x-axis */
719 __u32 sy; /* origin in the y-axis */
720 __u32 width; /* number of tiles in the x-axis */
721 __u32 height; /* number of tiles in the y-axis */
722 __u32 fg; /* foreground color */
723 __u32 bg; /* background color */
724 __u32 length; /* number of tiles to draw */
725 __u32 *indices; /* array of indices to tile map */
726};
727
728struct fb_tilecursor {
729 __u32 sx; /* cursor position in the x-axis */
730 __u32 sy; /* cursor position in the y-axis */
731 __u32 mode; /* 0 = erase, 1 = draw */
732 __u32 shape; /* see FB_TILE_CURSOR_* */
733 __u32 fg; /* foreground color */
734 __u32 bg; /* background color */
735};
736
737struct fb_tile_ops {
738 /* set tile characteristics */
739 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map);
740
741 /* all dimensions from hereon are in terms of tiles */
742
743 /* move a rectangular region of tiles from one area to another*/
744 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area);
745 /* fill a rectangular region with a tile */
746 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect);
747 /* copy an array of tiles */
748 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit);
749 /* cursor */
750 void (*fb_tilecursor)(struct fb_info *info,
751 struct fb_tilecursor *cursor);
Antonino A. Daplas11f11d52007-05-08 00:39:16 -0700752 /* get maximum length of the tile map */
753 int (*fb_get_tilemax)(struct fb_info *info);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700754};
755#endif /* CONFIG_FB_TILEBLITTING */
756
757/* FBINFO_* = fb_info.flags bit flags */
758#define FBINFO_MODULE 0x0001 /* Low-level driver is a module */
759#define FBINFO_HWACCEL_DISABLED 0x0002
760 /* When FBINFO_HWACCEL_DISABLED is set:
761 * Hardware acceleration is turned off. Software implementations
762 * of required functions (copyarea(), fillrect(), and imageblit())
763 * takes over; acceleration engine should be in a quiescent state */
764
765/* hints */
Konrad Rzeszutek Wilk7164bb42009-12-03 10:31:56 -0500766#define FBINFO_VIRTFB 0x0004 /* FB is System RAM, not device. */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700767#define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */
768#define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */
769
770/* hardware supported ops */
771/* semantics: when a bit is set, it indicates that the operation is
772 * accelerated by hardware.
773 * required functions will still work even if the bit is not set.
774 * optional functions may not even exist if the flag bit is not set.
775 */
776#define FBINFO_HWACCEL_NONE 0x0000
777#define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */
778#define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */
779#define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */
780#define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */
781#define FBINFO_HWACCEL_XPAN 0x1000 /* optional */
782#define FBINFO_HWACCEL_YPAN 0x2000 /* optional */
783#define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */
784
785#define FBINFO_MISC_USEREVENT 0x10000 /* event request
786 from userspace */
787#define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */
Dave Airlie4410f392009-06-16 15:34:38 -0700788#define FBINFO_MISC_FIRMWARE 0x40000 /* a replaceable firmware
789 inited framebuffer */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700790
Knut Petersen39942fd2005-12-12 22:17:19 -0800791/* A driver may set this flag to indicate that it does want a set_par to be
792 * called every time when fbcon_switch is executed. The advantage is that with
Alexey Dobriyan7f927fc2006-03-28 01:56:53 -0800793 * this flag set you can really be sure that set_par is always called before
Knut Petersen39942fd2005-12-12 22:17:19 -0800794 * any of the functions dependant on the correct hardware state or altering
795 * that state, even if you are using some broken X releases. The disadvantage
796 * is that it introduces unwanted delays to every console switch if set_par
797 * is slow. It is a good idea to try this flag in the drivers initialization
798 * code whenever there is a bug report related to switching between X and the
799 * framebuffer console.
800 */
801#define FBINFO_MISC_ALWAYS_SETPAR 0x40000
802
Anton Vorontsove4c690e2008-04-28 02:14:49 -0700803/*
804 * Host and GPU endianness differ.
805 */
806#define FBINFO_FOREIGN_ENDIAN 0x100000
807/*
808 * Big endian math. This is the same flags as above, but with different
809 * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag
810 * and host endianness. Drivers should not use this flag.
811 */
812#define FBINFO_BE_MATH 0x100000
813
Linus Torvalds1da177e2005-04-16 15:20:36 -0700814struct fb_info {
815 int node;
816 int flags;
Krzysztof Helt3e680aa2008-10-18 20:27:51 -0700817 struct mutex lock; /* Lock for open/release/ioctl funcs */
Krzysztof Helt537a1bf2009-06-30 11:41:29 -0700818 struct mutex mm_lock; /* Lock for fb_mmap and smem_* fields */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700819 struct fb_var_screeninfo var; /* Current var */
820 struct fb_fix_screeninfo fix; /* Current fix */
821 struct fb_monspecs monspecs; /* Current Monitor specs */
822 struct work_struct queue; /* Framebuffer event queue */
823 struct fb_pixmap pixmap; /* Image hardware mapper */
824 struct fb_pixmap sprite; /* Cursor hardware mapper */
825 struct fb_cmap cmap; /* Current cmap */
826 struct list_head modelist; /* mode list */
827 struct fb_videomode *mode; /* current mode */
Michael Hanselmann5474c122006-06-25 05:47:08 -0700828
829#ifdef CONFIG_FB_BACKLIGHT
Michael Hanselmann5474c122006-06-25 05:47:08 -0700830 /* assigned backlight device */
Richard Purdie37ce69a2007-02-10 14:10:33 +0000831 /* set before framebuffer registration,
832 remove after unregister */
Michael Hanselmann5474c122006-06-25 05:47:08 -0700833 struct backlight_device *bl_dev;
834
835 /* Backlight level curve */
Richard Purdie37ce69a2007-02-10 14:10:33 +0000836 struct mutex bl_curve_mutex;
Michael Hanselmann5474c122006-06-25 05:47:08 -0700837 u8 bl_curve[FB_BACKLIGHT_LEVELS];
838#endif
Jaya Kumar60b59be2007-05-08 00:37:37 -0700839#ifdef CONFIG_FB_DEFERRED_IO
840 struct delayed_work deferred_work;
841 struct fb_deferred_io *fbdefio;
842#endif
Michael Hanselmann5474c122006-06-25 05:47:08 -0700843
Linus Torvalds1da177e2005-04-16 15:20:36 -0700844 struct fb_ops *fbops;
Greg Kroah-Hartman78cde08872006-09-14 07:30:59 -0700845 struct device *device; /* This is the parent */
846 struct device *dev; /* This is this fb device */
Antonino A. Daplas1a6600b2006-10-03 01:14:50 -0700847 int class_flag; /* private sysfs flags */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700848#ifdef CONFIG_FB_TILEBLITTING
849 struct fb_tile_ops *tileops; /* Tile Blitting */
850#endif
851 char __iomem *screen_base; /* Virtual address */
852 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */
853 void *pseudo_palette; /* Fake palette of 16 colors */
854#define FBINFO_STATE_RUNNING 0
855#define FBINFO_STATE_SUSPENDED 1
856 u32 state; /* Hardware state i.e suspend */
857 void *fbcon_par; /* fbcon use-only private area */
858 /* From here on everything is device dependent */
Dave Airlie4410f392009-06-16 15:34:38 -0700859 void *par;
860 /* we need the PCI or similiar aperture base/size not
861 smem_start/size as smem_start may just be an object
862 allocated inside the aperture so may not actually overlap */
863 resource_size_t aperture_base;
864 resource_size_t aperture_size;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700865};
866
867#ifdef MODULE
868#define FBINFO_DEFAULT FBINFO_MODULE
869#else
870#define FBINFO_DEFAULT 0
871#endif
872
873// This will go away
874#define FBINFO_FLAG_MODULE FBINFO_MODULE
875#define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT
876
877/* This will go away
878 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
879 * when it wants to turn the acceleration engine on. This is
880 * really a separate operation, and should be modified via sysfs.
881 * But for now, we leave it broken with the following define
882 */
883#define STUPID_ACCELF_TEXT_SHIT
884
885// This will go away
886#if defined(__sparc__)
887
888/* We map all of our framebuffers such that big-endian accesses
889 * are what we want, so the following is sufficient.
890 */
891
892// This will go away
893#define fb_readb sbus_readb
894#define fb_readw sbus_readw
895#define fb_readl sbus_readl
896#define fb_readq sbus_readq
897#define fb_writeb sbus_writeb
898#define fb_writew sbus_writew
899#define fb_writel sbus_writel
900#define fb_writeq sbus_writeq
901#define fb_memset sbus_memset_io
902
Mike Frysinger00115e62009-06-16 15:34:40 -0700903#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700904
905#define fb_readb __raw_readb
906#define fb_readw __raw_readw
907#define fb_readl __raw_readl
908#define fb_readq __raw_readq
909#define fb_writeb __raw_writeb
910#define fb_writew __raw_writew
911#define fb_writel __raw_writel
912#define fb_writeq __raw_writeq
913#define fb_memset memset_io
914
915#else
916
917#define fb_readb(addr) (*(volatile u8 *) (addr))
918#define fb_readw(addr) (*(volatile u16 *) (addr))
919#define fb_readl(addr) (*(volatile u32 *) (addr))
920#define fb_readq(addr) (*(volatile u64 *) (addr))
921#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
922#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
923#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
924#define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
925#define fb_memset memset
926
927#endif
928
Anton Vorontsove4c690e2008-04-28 02:14:49 -0700929#define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0)
930#define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \
931 (val) << (bits))
932#define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \
933 (val) >> (bits))
Antonino A. Daplasbe0d9b62005-12-12 22:17:21 -0800934
Linus Torvalds1da177e2005-04-16 15:20:36 -0700935 /*
936 * `Generic' versions of the frame buffer device operations
937 */
938
939extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
940extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
941extern int fb_blank(struct fb_info *info, int blank);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700942extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
943extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
944extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
Antonino A. Daplas68648ed2007-05-08 00:38:57 -0700945/*
946 * Drawing operations where framebuffer is in system RAM
947 */
948extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
949extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area);
950extern void sys_imageblit(struct fb_info *info, const struct fb_image *image);
Antonino A. Daplas09aaf262007-05-08 00:39:03 -0700951extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf,
952 size_t count, loff_t *ppos);
953extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
954 size_t count, loff_t *ppos);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700955
956/* drivers/video/fbmem.c */
957extern int register_framebuffer(struct fb_info *fb_info);
958extern int unregister_framebuffer(struct fb_info *fb_info);
Antonino A. Daplas9c44e5f2005-11-08 21:39:10 -0800959extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
960extern int fb_show_logo(struct fb_info *fb_info, int rotate);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700961extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
James Simmonsf1ab5da2005-06-21 17:17:07 -0700962extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700963 u32 height, u32 shift_high, u32 shift_low, u32 mod);
James Simmonsf1ab5da2005-06-21 17:17:07 -0700964extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700965extern void fb_set_suspend(struct fb_info *info, int state);
Antonino A. Daplasb8c90942005-09-09 13:04:37 -0700966extern int fb_get_color_depth(struct fb_var_screeninfo *var,
967 struct fb_fix_screeninfo *fix);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700968extern int fb_get_options(char *name, char **option);
969extern int fb_new_modelist(struct fb_info *info);
970
971extern struct fb_info *registered_fb[FB_MAX];
972extern int num_registered_fb;
Geert Uytterhoeven9db71a12007-06-01 00:46:46 -0700973extern struct class *fb_class;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700974
Andrew Morton6a7f2822009-03-31 15:25:19 -0700975extern int lock_fb_info(struct fb_info *info);
Andrea Righi1f5e31d2009-02-04 15:12:03 -0800976
977static inline void unlock_fb_info(struct fb_info *info)
978{
979 mutex_unlock(&info->lock);
980}
981
Antonino A. Daplas829e79b2005-09-09 13:10:04 -0700982static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch,
983 u8 *src, u32 s_pitch, u32 height)
984{
985 int i, j;
986
987 d_pitch -= s_pitch;
988
989 for (i = height; i--; ) {
990 /* s_pitch is a few bytes at the most, memcpy is suboptimal */
991 for (j = 0; j < s_pitch; j++)
992 *dst++ = *src++;
993 dst += d_pitch;
994 }
995}
996
Jaya Kumar60b59be2007-05-08 00:37:37 -0700997/* drivers/video/fb_defio.c */
998extern void fb_deferred_io_init(struct fb_info *info);
Ian Campbelld8474712008-08-20 14:09:23 -0700999extern void fb_deferred_io_open(struct fb_info *info,
1000 struct inode *inode,
1001 struct file *file);
Jaya Kumar60b59be2007-05-08 00:37:37 -07001002extern void fb_deferred_io_cleanup(struct fb_info *info);
Paul Mundt5e841b82007-05-08 00:37:41 -07001003extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry,
1004 int datasync);
Jaya Kumar60b59be2007-05-08 00:37:37 -07001005
Anton Vorontsove4c690e2008-04-28 02:14:49 -07001006static inline bool fb_be_math(struct fb_info *info)
1007{
1008#ifdef CONFIG_FB_FOREIGN_ENDIAN
1009#if defined(CONFIG_FB_BOTH_ENDIAN)
1010 return info->flags & FBINFO_BE_MATH;
1011#elif defined(CONFIG_FB_BIG_ENDIAN)
1012 return true;
1013#elif defined(CONFIG_FB_LITTLE_ENDIAN)
1014 return false;
1015#endif /* CONFIG_FB_BOTH_ENDIAN */
1016#else
1017#ifdef __BIG_ENDIAN
1018 return true;
1019#else
1020 return false;
1021#endif /* __BIG_ENDIAN */
1022#endif /* CONFIG_FB_FOREIGN_ENDIAN */
1023}
1024
Linus Torvalds1da177e2005-04-16 15:20:36 -07001025/* drivers/video/fbsysfs.c */
1026extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
1027extern void framebuffer_release(struct fb_info *info);
Greg Kroah-Hartman78cde08872006-09-14 07:30:59 -07001028extern int fb_init_device(struct fb_info *fb_info);
1029extern void fb_cleanup_device(struct fb_info *head);
Michael Hanselmann5474c122006-06-25 05:47:08 -07001030extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001031
1032/* drivers/video/fbmon.c */
1033#define FB_MAXTIMINGS 0
1034#define FB_VSYNCTIMINGS 1
1035#define FB_HSYNCTIMINGS 2
1036#define FB_DCLKTIMINGS 3
1037#define FB_IGNOREMON 0x100
1038
1039#define FB_MODE_IS_UNKNOWN 0
1040#define FB_MODE_IS_DETAILED 1
1041#define FB_MODE_IS_STANDARD 2
1042#define FB_MODE_IS_VESA 4
1043#define FB_MODE_IS_CALCULATED 8
1044#define FB_MODE_IS_FIRST 16
1045#define FB_MODE_IS_FROM_VAR 32
1046
Linus Torvalds1da177e2005-04-16 15:20:36 -07001047extern int fbmon_dpms(const struct fb_info *fb_info);
1048extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
1049 struct fb_info *info);
1050extern int fb_validate_mode(const struct fb_var_screeninfo *var,
1051 struct fb_info *info);
1052extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
Antonino A. Daplas5e518d72005-09-09 13:04:34 -07001053extern const unsigned char *fb_firmware_edid(struct device *device);
1054extern void fb_edid_to_monspecs(unsigned char *edid,
1055 struct fb_monspecs *specs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001056extern void fb_destroy_modedb(struct fb_videomode *modedb);
Antonino A. Daplas96fe6a22005-09-09 13:09:58 -07001057extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
Dennis Munsiefc5891c2006-10-03 01:14:42 -07001058extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001059
1060/* drivers/video/modedb.c */
1061#define VESA_MODEDB_SIZE 34
1062extern void fb_var_to_videomode(struct fb_videomode *mode,
Geert Uytterhoeven9791d762007-02-12 00:55:19 -08001063 const struct fb_var_screeninfo *var);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001064extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
Geert Uytterhoeven9791d762007-02-12 00:55:19 -08001065 const struct fb_videomode *mode);
1066extern int fb_mode_is_equal(const struct fb_videomode *mode1,
1067 const struct fb_videomode *mode2);
1068extern int fb_add_videomode(const struct fb_videomode *mode,
1069 struct list_head *head);
1070extern void fb_delete_videomode(const struct fb_videomode *mode,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001071 struct list_head *head);
Geert Uytterhoeven9791d762007-02-12 00:55:19 -08001072extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
1073 struct list_head *head);
1074extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
1075 struct list_head *head);
1076extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
1077 struct list_head *head);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001078extern void fb_destroy_modelist(struct list_head *head);
Geert Uytterhoeven9791d762007-02-12 00:55:19 -08001079extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001080 struct list_head *head);
Geert Uytterhoeven9791d762007-02-12 00:55:19 -08001081extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
1082 struct list_head *head);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001083
1084/* drivers/video/fbcmap.c */
1085extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
1086extern void fb_dealloc_cmap(struct fb_cmap *cmap);
Helge Delleradf6b202006-12-08 02:40:27 -08001087extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
1088extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001089extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
1090extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
Helge Delleradf6b202006-12-08 02:40:27 -08001091extern const struct fb_cmap *fb_default_cmap(int len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001092extern void fb_invert_cmaps(void);
1093
1094struct fb_videomode {
1095 const char *name; /* optional */
1096 u32 refresh; /* optional */
1097 u32 xres;
1098 u32 yres;
1099 u32 pixclock;
1100 u32 left_margin;
1101 u32 right_margin;
1102 u32 upper_margin;
1103 u32 lower_margin;
1104 u32 hsync_len;
1105 u32 vsync_len;
1106 u32 sync;
1107 u32 vmode;
1108 u32 flag;
1109};
1110
Geert Uytterhoeven9a054fb2007-10-16 01:29:51 -07001111extern const char *fb_mode_option;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001112extern const struct fb_videomode vesa_modes[];
1113
1114struct fb_modelist {
1115 struct list_head list;
1116 struct fb_videomode mode;
1117};
1118
1119extern int fb_find_mode(struct fb_var_screeninfo *var,
1120 struct fb_info *info, const char *mode_option,
1121 const struct fb_videomode *db,
1122 unsigned int dbsize,
1123 const struct fb_videomode *default_mode,
1124 unsigned int default_bpp);
1125
1126#endif /* __KERNEL__ */
1127
1128#endif /* _LINUX_FB_H */