6 /* Definitions of frame buffers */
9 #define FB_MAX 32 /* sufficient for now */
13 #define FBIOGET_VSCREENINFO 0x4600
14 #define FBIOPUT_VSCREENINFO 0x4601
15 #define FBIOGET_FSCREENINFO 0x4602
16 #define FBIOGETCMAP 0x4604
17 #define FBIOPUTCMAP 0x4605
18 #define FBIOPAN_DISPLAY 0x4606
20 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user)
22 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor)
24 /* 0x4607-0x460B are defined below */
25 /* #define FBIOGET_MONITORSPEC 0x460C */
26 /* #define FBIOPUT_MONITORSPEC 0x460D */
27 /* #define FBIOSWITCH_MONIBIT 0x460E */
28 #define FBIOGET_CON2FBMAP 0x460F
29 #define FBIOPUT_CON2FBMAP 0x4610
30 #define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */
31 #define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank)
32 #define FBIO_ALLOC 0x4613
33 #define FBIO_FREE 0x4614
34 #define FBIOGET_GLYPH 0x4615
35 #define FBIOGET_HWCINFO 0x4616
36 #define FBIOPUT_MODEINFO 0x4617
37 #define FBIOGET_DISPINFO 0x4618
40 #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
41 #define FB_TYPE_PLANES 1 /* Non interleaved planes */
42 #define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
43 #define FB_TYPE_TEXT 3 /* Text/attributes */
44 #define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */
46 #define FB_AUX_TEXT_MDA 0 /* Monochrome text */
47 #define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */
48 #define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */
49 #define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */
50 #define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */
52 #define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */
53 #define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */
54 #define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */
56 #define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
57 #define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
58 #define FB_VISUAL_TRUECOLOR 2 /* True color */
59 #define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
60 #define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
61 #define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
63 #define FB_ACCEL_NONE 0 /* no hardware accelerator */
64 #define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */
65 #define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */
66 #define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */
67 #define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */
68 #define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */
69 #define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */
70 #define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */
71 #define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */
72 #define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */
73 #define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */
74 #define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */
75 #define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */
76 #define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */
77 #define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */
78 #define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */
79 #define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */
80 #define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */
81 #define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */
82 #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
83 #define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */
84 #define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */
85 #define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */
86 #define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */
87 #define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */
88 #define FB_ACCEL_SUN_TCX 25 /* Sun tcx */
89 #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */
90 #define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */
91 #define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */
92 #define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */
93 #define FB_ACCEL_CT_6555x 30 /* C&T 6555x */
94 #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */
95 #define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */
96 #define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */
97 #define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */
98 #define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */
99 #define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */
100 #define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */
101 #define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */
102 #define FB_ACCEL_I810 39 /* Intel 810/815 */
103 #define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */
104 #define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */
106 #define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */
107 #define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */
108 #define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */
109 #define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */
110 #define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */
111 #define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */
112 #define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */
113 #define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */
114 #define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */
117 struct fb_fix_screeninfo {
118 char id[16]; /* identification string eg "TT Builtin" */
119 unsigned long smem_start; /* Start of frame buffer mem */
120 /* (physical address) */
121 __u32 smem_len; /* Length of frame buffer mem */
122 __u32 type; /* see FB_TYPE_* */
123 __u32 type_aux; /* Interleave for interleaved Planes */
124 __u32 visual; /* see FB_VISUAL_* */
125 __u16 xpanstep; /* zero if no hardware panning */
126 __u16 ypanstep; /* zero if no hardware panning */
127 __u16 ywrapstep; /* zero if no hardware ywrap */
128 __u32 line_length; /* length of a line in bytes */
129 unsigned long mmio_start; /* Start of Memory Mapped I/O */
130 /* (physical address) */
131 __u32 mmio_len; /* Length of Memory Mapped I/O */
132 __u32 accel; /* Indicate to driver which */
133 /* specific chip/card we have */
134 __u16 reserved[3]; /* Reserved for future compatibility */
137 /* Interpretation of offset for color fields: All offsets are from the right,
138 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
139 * can use the offset as right argument to <<). A pixel afterwards is a bit
140 * stream and is written to video memory as that unmodified. This implies
141 * big-endian byte order if bits_per_pixel is greater than 8.
144 __u32 offset; /* beginning of bitfield */
145 __u32 length; /* length of bitfield */
146 __u32 msb_right; /* != 0 : Most significant bit is */
150 #define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
152 #define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
153 #define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
154 #define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
155 #define FB_ACTIVATE_MASK 15
157 #define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
158 #define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
159 #define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
160 #define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/
162 #define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */
164 #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
165 #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
166 #define FB_SYNC_EXT 4 /* external sync */
167 #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
168 #define FB_SYNC_BROADCAST 16 /* broadcast video timings */
169 /* vtotal = 144d/288n/576i => PAL */
170 /* vtotal = 121d/242n/484i => NTSC */
171 #define FB_SYNC_ON_GREEN 32 /* sync on green */
173 #define FB_VMODE_NONINTERLACED 0 /* non interlaced */
174 #define FB_VMODE_INTERLACED 1 /* interlaced */
175 #define FB_VMODE_DOUBLE 2 /* double scan */
176 #define FB_VMODE_MASK 255
178 #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
179 #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
180 #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
182 #define PICOS2KHZ(a) (1000000000UL/(a))
183 #define KHZ2PICOS(a) (1000000000UL/(a))
185 struct fb_var_screeninfo {
186 __u32 xres; /* visible resolution */
188 __u32 xres_virtual; /* virtual resolution */
190 __u32 xoffset; /* offset from virtual to visible */
191 __u32 yoffset; /* resolution */
193 __u32 bits_per_pixel; /* guess what */
194 __u32 grayscale; /* != 0 Graylevels instead of colors */
196 struct fb_bitfield red; /* bitfield in fb mem if true color, */
197 struct fb_bitfield green; /* else only length is significant */
198 struct fb_bitfield blue;
199 struct fb_bitfield transp; /* transparency */
201 __u32 nonstd; /* != 0 Non standard pixel format */
203 __u32 activate; /* see FB_ACTIVATE_* */
205 __u32 height; /* height of picture in mm */
206 __u32 width; /* width of picture in mm */
208 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */
210 /* Timing: All values in pixclocks, except pixclock (of course) */
211 __u32 pixclock; /* pixel clock in ps (pico seconds) */
212 __u32 left_margin; /* time from sync to picture */
213 __u32 right_margin; /* time from picture to sync */
214 __u32 upper_margin; /* time from sync to picture */
216 __u32 hsync_len; /* length of horizontal sync */
217 __u32 vsync_len; /* length of vertical sync */
218 __u32 sync; /* see FB_SYNC_* */
219 __u32 vmode; /* see FB_VMODE_* */
220 __u32 rotate; /* angle we rotate counter clockwise */
221 __u32 reserved[5]; /* Reserved for future compatibility */
225 __u32 start; /* First entry */
226 __u32 len; /* Number of entries */
227 __u16 *red; /* Red values */
230 __u16 *transp; /* transparency, can be NULL */
233 struct fb_con2fbmap {
238 /* VESA Blanking Levels */
239 #define VESA_NO_BLANKING 0
240 #define VESA_VSYNC_SUSPEND 1
241 #define VESA_HSYNC_SUSPEND 2
242 #define VESA_POWERDOWN 3
244 /* Definitions below are used in the parsed monitor specs */
245 #define FB_DPMS_ACTIVE_OFF 1
246 #define FB_DPMS_SUSPEND 2
247 #define FB_DPMS_STANDBY 4
249 #define FB_DISP_DDI 1
250 #define FB_DISP_ANA_700_300 2
251 #define FB_DISP_ANA_714_286 4
252 #define FB_DISP_ANA_1000_400 8
253 #define FB_DISP_ANA_700_000 16
255 #define FB_DISP_MONO 32
256 #define FB_DISP_RGB 64
257 #define FB_DISP_MULTI 128
258 #define FB_DISP_UNKNOWN 256
260 #define FB_SIGNAL_NONE 0
261 #define FB_SIGNAL_BLANK_BLANK 1
262 #define FB_SIGNAL_SEPARATE 2
263 #define FB_SIGNAL_COMPOSITE 4
264 #define FB_SIGNAL_SYNC_ON_GREEN 8
265 #define FB_SIGNAL_SERRATION_ON 16
267 #define FB_MISC_PRIM_COLOR 1
268 #define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */
271 __u32 redx; /* in fraction of 1024 */
282 struct fb_chroma chroma;
283 struct fb_videomode *modedb; /* mode database */
284 __u8 manufacturer[4]; /* Manufacturer */
285 __u8 monitor[14]; /* Monitor String */
286 __u8 serial_no[14]; /* Serial Number */
287 __u8 ascii[14]; /* ? */
288 __u32 modedb_len; /* mode database length */
289 __u32 model; /* Monitor Model */
290 __u32 serial; /* Serial Number - Integer */
291 __u32 year; /* Year manufactured */
292 __u32 week; /* Week Manufactured */
293 __u32 hfmin; /* hfreq lower limit (Hz) */
294 __u32 hfmax; /* hfreq upper limit (Hz) */
295 __u32 dclkmin; /* pixelclock lower limit (Hz) */
296 __u32 dclkmax; /* pixelclock upper limit (Hz) */
297 __u16 input; /* display type - see FB_DISP_* */
298 __u16 dpms; /* DPMS support - see FB_DPMS_ */
299 __u16 signal; /* Signal Type - see FB_SIGNAL_* */
300 __u16 vfmin; /* vfreq lower limit (Hz) */
301 __u16 vfmax; /* vfreq upper limit (Hz) */
302 __u16 gamma; /* Gamma - in fractions of 100 */
303 __u16 gtf : 1; /* supports GTF */
304 __u16 misc; /* Misc flags - see FB_MISC_* */
305 __u8 version; /* EDID version... */
306 __u8 revision; /* ...and revision */
307 __u8 max_x; /* Maximum horizontal size (cm) */
308 __u8 max_y; /* Maximum vertical size (cm) */
311 #define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
312 #define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
313 #define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
314 #define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
315 #define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
316 #define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
317 #define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
318 #define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
319 #define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
322 __u32 flags; /* FB_VBLANK flags */
323 __u32 count; /* counter of retraces since boot */
324 __u32 vcount; /* current scanline position */
325 __u32 hcount; /* current scandot position */
326 __u32 reserved[4]; /* reserved for future compatibility */
329 /* Internal HW accel */
343 __u32 dx; /* screen-relative */
352 __u32 dx; /* Where to place image */
354 __u32 width; /* Size of image */
356 __u32 fg_color; /* Only used when a mono bitmap */
358 __u8 depth; /* Depth of the image */
359 const char *data; /* Pointer to image data */
360 struct fb_cmap cmap; /* color map info */
364 * hardware cursor control
367 #define FB_CUR_SETCUR 0x01
368 #define FB_CUR_SETPOS 0x02
369 #define FB_CUR_SETHOT 0x04
370 #define FB_CUR_SETCMAP 0x08
371 #define FB_CUR_SETSHAPE 0x10
372 #define FB_CUR_SETSIZE 0x20
373 #define FB_CUR_SETALL 0xFF
380 __u16 set; /* what to set */
381 __u16 enable; /* cursor on/off */
382 __u16 rop; /* bitop operation */
383 const char *mask; /* cursor mask bits */
384 struct fbcurpos hot; /* cursor hot spot */
385 struct fb_image image; /* Cursor image */
390 #include <linux/fs.h>
391 #include <linux/init.h>
392 #include <linux/tty.h>
393 #include <linux/device.h>
394 #include <linux/workqueue.h>
395 #include <linux/devfs_fs_kernel.h>
396 #include <linux/notifier.h>
399 struct vm_area_struct;
404 struct fb_cmap_user {
405 __u32 start; /* First entry */
406 __u32 len; /* Number of entries */
407 __u16 __user *red; /* Red values */
410 __u16 __user *transp; /* transparency, can be NULL */
413 struct fb_image_user {
414 __u32 dx; /* Where to place image */
416 __u32 width; /* Size of image */
418 __u32 fg_color; /* Only used when a mono bitmap */
420 __u8 depth; /* Depth of the image */
421 const char __user *data; /* Pointer to image data */
422 struct fb_cmap_user cmap; /* color map info */
425 struct fb_cursor_user {
426 __u16 set; /* what to set */
427 __u16 enable; /* cursor on/off */
428 __u16 rop; /* bitop operation */
429 const char __user *mask; /* cursor mask bits */
430 struct fbcurpos hot; /* cursor hot spot */
431 struct fb_image_user image; /* Cursor image */
435 * Register/unregister for framebuffer events
438 /* The resolution of the passed in fb_info about to change */
439 #define FB_EVENT_MODE_CHANGE 0x01
440 /* The display on this fb_info is beeing suspended, no access to the
441 * framebuffer is allowed any more after that call returns
443 #define FB_EVENT_SUSPEND 0x02
444 /* The display on this fb_info was resumed, you can restore the display
447 #define FB_EVENT_RESUME 0x03
449 extern int fb_register_client(struct notifier_block *nb);
450 extern int fb_unregister_client(struct notifier_block *nb);
453 * Pixmap structure definition
455 * The purpose of this structure is to translate data
456 * from the hardware independent format of fbdev to what
457 * format the hardware needs.
460 #define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */
461 #define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */
462 #define FB_PIXMAP_IO 4 /* memory is iomapped */
463 #define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */
466 u8 *addr; /* pointer to memory */
467 u32 size; /* size of buffer in bytes */
468 u32 offset; /* current offset to buffer */
469 u32 buf_align; /* byte alignment of each bitmap */
470 u32 scan_align; /* alignment per scanline */
471 u32 access_align; /* alignment per read/write */
472 u32 flags; /* see FB_PIXMAP_* */
474 void (*outbuf)(struct fb_info *info, u8 *addr, u8 *src, unsigned int size);
475 u8 (*inbuf) (struct fb_info *info, u8 *addr);
480 * Frame buffer operations
482 * LOCKING NOTE: those functions must _ALL_ be called with the console
483 * semaphore held, this is the only suitable locking mecanism we have
484 * in 2.6. Some may be called at interrupt time at this point though.
488 /* open/release and usage marking */
489 struct module *owner;
490 int (*fb_open)(struct fb_info *info, int user);
491 int (*fb_release)(struct fb_info *info, int user);
493 /* For framebuffers with strange non linear layouts or that do not
494 * work with normal memory mapped access
496 ssize_t (*fb_read)(struct file *file, char __user *buf, size_t count, loff_t *ppos);
497 ssize_t (*fb_write)(struct file *file, const char __user *buf, size_t count, loff_t *ppos);
499 /* checks var and eventually tweaks it to something supported,
500 * DO NOT MODIFY PAR */
501 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
503 /* set the video mode according to info->var */
504 int (*fb_set_par)(struct fb_info *info);
506 /* set color register */
507 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
508 unsigned blue, unsigned transp, struct fb_info *info);
511 int (*fb_blank)(int blank, struct fb_info *info);
514 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
516 /* Draws a rectangle */
517 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
518 /* Copy data from area to another */
519 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
520 /* Draws a image to the display */
521 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
524 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
526 /* Rotates the display */
527 void (*fb_rotate)(struct fb_info *info, int angle);
529 /* wait for blit idle, optional */
530 int (*fb_sync)(struct fb_info *info);
532 /* perform fb specific ioctl (optional) */
533 int (*fb_ioctl)(struct inode *inode, struct file *file, unsigned int cmd,
534 unsigned long arg, struct fb_info *info);
536 /* perform fb specific mmap */
537 int (*fb_mmap)(struct fb_info *info, struct file *file, struct vm_area_struct *vma);
540 /* FBINFO_* = fb_info.flags bit flags */
541 #define FBINFO_MODULE 0x0001 /* Low-level driver is a module */
542 #define FBINFO_HWACCEL_DISABLED 0x0002
543 /* When FBINFO_HWACCEL_DISABLED is set:
544 * Hardware acceleration is turned off. Software implementations
545 * of required functions (copyarea(), fillrect(), and imageblit())
546 * takes over; acceleration engine should be in a quiescent state */
549 #define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */
550 #define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */
552 /* hardware supported ops */
553 /* semantics: when a bit is set, it indicates that the operation is
554 * accelerated by hardware.
555 * required functions will still work even if the bit is not set.
556 * optional functions may not even exist if the flag bit is not set.
558 #define FBINFO_HWACCEL_NONE 0x0000
559 #define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */
560 #define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */
561 #define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */
562 #define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */
563 #define FBINFO_HWACCEL_XPAN 0x1000 /* optional */
564 #define FBINFO_HWACCEL_YPAN 0x2000 /* optional */
565 #define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */
567 #define FBINFO_MISC_MODECHANGEUSER 0x10000 /* mode change request
569 #define FBINFO_MISC_MODESWITCH 0x20000 /* mode switch */
570 #define FBINFO_MISC_MODESWITCHLATE 0x40000 /* init hardware later */
575 struct fb_var_screeninfo var; /* Current var */
576 struct fb_fix_screeninfo fix; /* Current fix */
577 struct fb_monspecs monspecs; /* Current Monitor specs */
578 struct fb_cursor cursor; /* Current cursor */
579 struct work_struct queue; /* Framebuffer event queue */
580 struct timer_list cursor_timer; /* Cursor timer */
581 struct fb_pixmap pixmap; /* Image hardware mapper */
582 struct fb_pixmap sprite; /* Cursor hardware mapper */
583 struct fb_cmap cmap; /* Current cmap */
584 struct fb_ops *fbops;
585 char *screen_base; /* Virtual address */
586 int currcon; /* Current VC. */
587 void *pseudo_palette; /* Fake palette of 16 colors */
588 #define FBINFO_STATE_RUNNING 0
589 #define FBINFO_STATE_SUSPENDED 1
590 u32 state; /* Hardware state i.e suspend */
592 /* From here on everything is device dependent */
597 #define FBINFO_DEFAULT FBINFO_MODULE
599 #define FBINFO_DEFAULT 0
603 #define FBINFO_FLAG_MODULE FBINFO_MODULE
604 #define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT
607 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
608 * when it wants to turn the acceleration engine on. This is
609 * really a separate operation, and should be modified via sysfs.
610 * But for now, we leave it broken with the following define
612 #define STUPID_ACCELF_TEXT_SHIT
615 #if defined(__sparc__)
617 /* We map all of our framebuffers such that big-endian accesses
618 * are what we want, so the following is sufficient.
622 #define fb_readb sbus_readb
623 #define fb_readw sbus_readw
624 #define fb_readl sbus_readl
625 #define fb_readq sbus_readq
626 #define fb_writeb sbus_writeb
627 #define fb_writew sbus_writew
628 #define fb_writel sbus_writel
629 #define fb_writeq sbus_writeq
630 #define fb_memset sbus_memset_io
632 #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__)
634 #define fb_readb __raw_readb
635 #define fb_readw __raw_readw
636 #define fb_readl __raw_readl
637 #define fb_readq __raw_readq
638 #define fb_writeb __raw_writeb
639 #define fb_writew __raw_writew
640 #define fb_writel __raw_writel
641 #define fb_writeq __raw_writeq
642 #define fb_memset memset_io
646 #define fb_readb(addr) (*(volatile u8 *) (addr))
647 #define fb_readw(addr) (*(volatile u16 *) (addr))
648 #define fb_readl(addr) (*(volatile u32 *) (addr))
649 #define fb_readq(addr) (*(volatile u64 *) (addr))
650 #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
651 #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
652 #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
653 #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
654 #define fb_memset memset
659 * `Generic' versions of the frame buffer device operations
662 extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
663 extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
664 extern int fb_blank(struct fb_info *info, int blank);
665 extern int soft_cursor(struct fb_info *info, struct fb_cursor *cursor);
666 extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
667 extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
668 extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
670 /* drivers/video/fbmem.c */
671 extern int register_framebuffer(struct fb_info *fb_info);
672 extern int unregister_framebuffer(struct fb_info *fb_info);
673 extern int fb_prepare_logo(struct fb_info *fb_info);
674 extern int fb_show_logo(struct fb_info *fb_info);
675 extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
676 extern void fb_iomove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf,
677 u8 *dst, u32 d_pitch, u8 *src, u32 idx,
678 u32 height, u32 shift_high, u32 shift_low, u32 mod);
679 extern void fb_iomove_buf_aligned(struct fb_info *info, struct fb_pixmap *buf,
680 u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch,
682 extern void fb_sysmove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf,
683 u8 *dst, u32 d_pitch, u8 *src, u32 idx,
684 u32 height, u32 shift_high, u32 shift_low, u32 mod);
685 extern void fb_sysmove_buf_aligned(struct fb_info *info, struct fb_pixmap *buf,
686 u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch,
688 extern void fb_load_cursor_image(struct fb_info *);
689 extern void fb_set_suspend(struct fb_info *info, int state);
691 extern struct fb_info *registered_fb[FB_MAX];
692 extern int num_registered_fb;
694 /* drivers/video/fbsysfs.c */
695 extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
696 extern void framebuffer_release(struct fb_info *info);
698 /* drivers/video/fbmon.c */
699 #define FB_MAXTIMINGS 0
700 #define FB_VSYNCTIMINGS 1
701 #define FB_HSYNCTIMINGS 2
702 #define FB_DCLKTIMINGS 3
703 #define FB_IGNOREMON 0x100
705 #define FB_MODE_IS_UNKNOWN 0
706 #define FB_MODE_IS_DETAILED 1
707 #define FB_MODE_IS_STANDARD 2
708 #define FB_MODE_IS_VESA 4
709 #define FB_MODE_IS_CALCULATED 8
710 #define FB_MODE_IS_FIRST 16
712 extern int fbmon_valid_timings(u_int pixclock, u_int htotal, u_int vtotal,
713 const struct fb_info *fb_info);
714 extern int fbmon_dpms(const struct fb_info *fb_info);
715 extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
716 struct fb_info *info);
717 extern int fb_validate_mode(const struct fb_var_screeninfo *var,
718 struct fb_info *info);
719 extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
720 extern int fb_get_monitor_limits(unsigned char *edid, struct fb_monspecs *specs);
721 extern void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs);
722 extern int fb_get_monitor_limits(unsigned char *edid, struct fb_monspecs *specs);
723 extern struct fb_videomode *fb_create_modedb(unsigned char *edid, int *dbsize);
724 extern void fb_destroy_modedb(struct fb_videomode *modedb);
726 /* drivers/video/modedb.c */
727 #define VESA_MODEDB_SIZE 34
728 extern const struct fb_videomode vesa_modes[];
730 /* drivers/video/fbcmap.c */
731 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
732 extern void fb_dealloc_cmap(struct fb_cmap *cmap);
733 extern int fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to);
734 extern int fb_cmap_to_user(struct fb_cmap *from, struct fb_cmap_user *to);
735 extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
736 extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
737 extern struct fb_cmap *fb_default_cmap(int len);
738 extern void fb_invert_cmaps(void);
740 struct fb_videomode {
741 const char *name; /* optional */
742 u32 refresh; /* optional */
757 extern int fb_find_mode(struct fb_var_screeninfo *var,
758 struct fb_info *info, const char *mode_option,
759 const struct fb_videomode *db,
761 const struct fb_videomode *default_mode,
762 unsigned int default_bpp);
764 #endif /* __KERNEL__ */
766 #endif /* _LINUX_FB_H */