1 #ifndef _LINUX_FB_H 2 #define _LINUX_FB_H 3 4 #include <linux/types.h> 5 #include <linux/list.h> 6 7 /* Definitions of frame buffers */ 8 9 #define FB_MAX 32 /* sufficient for now */ 10 11 #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */ 12 13 #define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */ 14 #define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */ 15 #define FB_VISUAL_TRUECOLOR 2 /* True color */ 16 #define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */ 17 #define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */ 18 #define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */ 19 20 #define FB_ACCEL_NONE 0 /* no hardware accelerator */ 21 22 struct fb_fix_screeninfo { 23 char id[16]; /* identification string eg "TT Builtin" */ 24 unsigned long smem_start; /* Start of frame buffer mem */ 25 /* (physical address) */ 26 __u32 smem_len; /* Length of frame buffer mem */ 27 __u32 type; /* see FB_TYPE_* */ 28 __u32 type_aux; /* Interleave for interleaved Planes */ 29 __u32 visual; /* see FB_VISUAL_* */ 30 __u16 xpanstep; /* zero if no hardware panning */ 31 __u16 ypanstep; /* zero if no hardware panning */ 32 __u16 ywrapstep; /* zero if no hardware ywrap */ 33 __u32 line_length; /* length of a line in bytes */ 34 unsigned long mmio_start; /* Start of Memory Mapped I/O */ 35 /* (physical address) */ 36 __u32 mmio_len; /* Length of Memory Mapped I/O */ 37 __u32 accel; /* Indicate to driver which */ 38 /* specific chip/card we have */ 39 __u16 reserved[3]; /* Reserved for future compatibility */ 40 }; 41 42 /* 43 * Interpretation of offset for color fields: All offsets are from the right, 44 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you 45 * can use the offset as right argument to <<). A pixel afterwards is a bit 46 * stream and is written to video memory as that unmodified. 47 * 48 * For pseudocolor: offset and length should be the same for all color 49 * components. Offset specifies the position of the least significant bit 50 * of the pallette index in a pixel value. Length indicates the number 51 * of available palette entries (i.e. # of entries = 1 << length). 52 */ 53 struct fb_bitfield { 54 __u32 offset; /* beginning of bitfield */ 55 __u32 length; /* length of bitfield */ 56 __u32 msb_right; 57 58 }; 59 60 #define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */ 61 #define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */ 62 63 #define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/ 64 #define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */ 65 #define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */ 66 #define FB_ACTIVATE_MASK 15 67 /* values */ 68 #define FB_ACTIVATE_VBL 16 /* activate values on next vbl */ 69 #define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */ 70 #define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */ 71 #define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/ 72 #define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */ 73 74 #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */ 75 #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */ 76 #define FB_SYNC_EXT 4 /* external sync */ 77 #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */ 78 #define FB_SYNC_BROADCAST 16 /* broadcast video timings */ 79 /* vtotal = 144d/288n/576i => PAL */ 80 /* vtotal = 121d/242n/484i => NTSC */ 81 #define FB_SYNC_ON_GREEN 32 /* sync on green */ 82 83 #define FB_VMODE_NONINTERLACED 0 /* non interlaced */ 84 #define FB_VMODE_INTERLACED 1 /* interlaced */ 85 #define FB_VMODE_DOUBLE 2 /* double scan */ 86 #define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */ 87 #define FB_VMODE_MASK 255 88 89 #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */ 90 #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ 91 #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ 92 93 /* 94 * Display rotation support 95 */ 96 #define FB_ROTATE_UR 0 97 #define FB_ROTATE_CW 1 98 #define FB_ROTATE_UD 2 99 #define FB_ROTATE_CCW 3 100 101 #define PICOS2KHZ(a) (1000000000UL/(a)) 102 #define KHZ2PICOS(a) (1000000000UL/(a)) 103 104 struct fb_var_screeninfo { 105 __u32 xres; /* visible resolution */ 106 __u32 yres; 107 __u32 xres_virtual; /* virtual resolution */ 108 __u32 yres_virtual; 109 __u32 xoffset; /* offset from virtual to visible */ 110 __u32 yoffset; /* resolution */ 111 112 __u32 bits_per_pixel; /* guess what */ 113 __u32 grayscale; /* != 0 Graylevels instead of colors */ 114 115 struct fb_bitfield red; /* bitfield in fb mem if true color, */ 116 struct fb_bitfield green; /* else only length is significant */ 117 struct fb_bitfield blue; 118 struct fb_bitfield transp; /* transparency */ 119 120 __u32 nonstd; /* != 0 Non standard pixel format */ 121 122 __u32 activate; /* see FB_ACTIVATE_* */ 123 124 __u32 height; /* height of picture in mm */ 125 __u32 width; /* width of picture in mm */ 126 127 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */ 128 129 /* Timing: All values in pixclocks, except pixclock (of course) */ 130 __u32 pixclock; /* pixel clock in ps (pico seconds) */ 131 __u32 left_margin; /* time from sync to picture */ 132 __u32 right_margin; /* time from picture to sync */ 133 __u32 upper_margin; /* time from sync to picture */ 134 __u32 lower_margin; 135 __u32 hsync_len; /* length of horizontal sync */ 136 __u32 vsync_len; /* length of vertical sync */ 137 __u32 sync; /* see FB_SYNC_* */ 138 __u32 vmode; /* see FB_VMODE_* */ 139 __u32 rotate; /* angle we rotate counter clockwise */ 140 __u32 reserved[5]; /* Reserved for future compatibility */ 141 }; 142 143 struct fb_cmap { 144 __u32 start; /* First entry */ 145 __u32 len; /* Number of entries */ 146 __u16 *red; /* Red values */ 147 __u16 *green; 148 __u16 *blue; 149 __u16 *transp; /* transparency, can be NULL */ 150 }; 151 152 struct fb_con2fbmap { 153 __u32 console; 154 __u32 framebuffer; 155 }; 156 157 /* VESA Blanking Levels */ 158 #define VESA_NO_BLANKING 0 159 #define VESA_VSYNC_SUSPEND 1 160 #define VESA_HSYNC_SUSPEND 2 161 #define VESA_POWERDOWN 3 162 163 164 enum { 165 /* screen: unblanked, hsync: on, vsync: on */ 166 FB_BLANK_UNBLANK = VESA_NO_BLANKING, 167 168 /* screen: blanked, hsync: on, vsync: on */ 169 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1, 170 171 /* screen: blanked, hsync: on, vsync: off */ 172 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1, 173 174 /* screen: blanked, hsync: off, vsync: on */ 175 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1, 176 177 /* screen: blanked, hsync: off, vsync: off */ 178 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1 179 }; 180 181 #define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */ 182 #define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */ 183 #define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */ 184 #define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */ 185 #define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */ 186 #define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */ 187 #define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */ 188 #define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */ 189 #define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */ 190 191 struct fb_vblank { 192 __u32 flags; /* FB_VBLANK flags */ 193 __u32 count; /* counter of retraces since boot */ 194 __u32 vcount; /* current scanline position */ 195 __u32 hcount; /* current scandot position */ 196 __u32 reserved[4]; /* reserved for future compatibility */ 197 }; 198 199 /* Internal HW accel */ 200 #define ROP_COPY 0 201 #define ROP_XOR 1 202 203 struct fb_copyarea { 204 __u32 dx; 205 __u32 dy; 206 __u32 width; 207 __u32 height; 208 __u32 sx; 209 __u32 sy; 210 }; 211 212 struct fb_fillrect { 213 __u32 dx; /* screen-relative */ 214 __u32 dy; 215 __u32 width; 216 __u32 height; 217 __u32 color; 218 __u32 rop; 219 }; 220 221 struct fb_image { 222 __u32 dx; /* Where to place image */ 223 __u32 dy; 224 __u32 width; /* Size of image */ 225 __u32 height; 226 __u32 fg_color; /* Only used when a mono bitmap */ 227 __u32 bg_color; 228 __u8 depth; /* Depth of the image */ 229 const char *data; /* Pointer to image data */ 230 struct fb_cmap cmap; /* color map info */ 231 }; 232 233 /* 234 * hardware cursor control 235 */ 236 237 #define FB_CUR_SETIMAGE 0x01 238 #define FB_CUR_SETPOS 0x02 239 #define FB_CUR_SETHOT 0x04 240 #define FB_CUR_SETCMAP 0x08 241 #define FB_CUR_SETSHAPE 0x10 242 #define FB_CUR_SETSIZE 0x20 243 #define FB_CUR_SETALL 0xFF 244 245 struct fbcurpos { 246 __u16 x, y; 247 }; 248 249 struct fb_cursor { 250 __u16 set; /* what to set */ 251 __u16 enable; /* cursor on/off */ 252 __u16 rop; /* bitop operation */ 253 const char *mask; /* cursor mask bits */ 254 struct fbcurpos hot; /* cursor hot spot */ 255 struct fb_image image; /* Cursor image */ 256 }; 257 258 #ifdef CONFIG_FB_BACKLIGHT 259 /* Settings for the generic backlight code */ 260 #define FB_BACKLIGHT_LEVELS 128 261 #define FB_BACKLIGHT_MAX 0xFF 262 #endif 263 264 #ifdef __KERNEL__ 265 266 struct vm_area_struct; 267 struct fb_info; 268 struct device; 269 struct file; 270 271 /* Definitions below are used in the parsed monitor specs */ 272 #define FB_DPMS_ACTIVE_OFF 1 273 #define FB_DPMS_SUSPEND 2 274 #define FB_DPMS_STANDBY 4 275 276 #define FB_DISP_DDI 1 277 #define FB_DISP_ANA_700_300 2 278 #define FB_DISP_ANA_714_286 4 279 #define FB_DISP_ANA_1000_400 8 280 #define FB_DISP_ANA_700_000 16 281 282 #define FB_DISP_MONO 32 283 #define FB_DISP_RGB 64 284 #define FB_DISP_MULTI 128 285 #define FB_DISP_UNKNOWN 256 286 287 #define FB_SIGNAL_NONE 0 288 #define FB_SIGNAL_BLANK_BLANK 1 289 #define FB_SIGNAL_SEPARATE 2 290 #define FB_SIGNAL_COMPOSITE 4 291 #define FB_SIGNAL_SYNC_ON_GREEN 8 292 #define FB_SIGNAL_SERRATION_ON 16 293 294 #define FB_MISC_PRIM_COLOR 1 295 #define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */ 296 struct fb_chroma { 297 __u32 redx; /* in fraction of 1024 */ 298 __u32 greenx; 299 __u32 bluex; 300 __u32 whitex; 301 __u32 redy; 302 __u32 greeny; 303 __u32 bluey; 304 __u32 whitey; 305 }; 306 307 struct fb_monspecs { 308 struct fb_chroma chroma; 309 struct fb_videomode *modedb; /* mode database */ 310 __u8 manufacturer[4]; /* Manufacturer */ 311 __u8 monitor[14]; /* Monitor String */ 312 __u8 serial_no[14]; /* Serial Number */ 313 __u8 ascii[14]; /* ? */ 314 __u32 modedb_len; /* mode database length */ 315 __u32 model; /* Monitor Model */ 316 __u32 serial; /* Serial Number - Integer */ 317 __u32 year; /* Year manufactured */ 318 __u32 week; /* Week Manufactured */ 319 __u32 hfmin; /* hfreq lower limit (Hz) */ 320 __u32 hfmax; /* hfreq upper limit (Hz) */ 321 __u32 dclkmin; /* pixelclock lower limit (Hz) */ 322 __u32 dclkmax; /* pixelclock upper limit (Hz) */ 323 __u16 input; /* display type - see FB_DISP_* */ 324 __u16 dpms; /* DPMS support - see FB_DPMS_ */ 325 __u16 signal; /* Signal Type - see FB_SIGNAL_* */ 326 __u16 vfmin; /* vfreq lower limit (Hz) */ 327 __u16 vfmax; /* vfreq upper limit (Hz) */ 328 __u16 gamma; /* Gamma - in fractions of 100 */ 329 __u16 gtf : 1; /* supports GTF */ 330 __u16 misc; /* Misc flags - see FB_MISC_* */ 331 __u8 version; /* EDID version... */ 332 __u8 revision; /* ...and revision */ 333 __u8 max_x; /* Maximum horizontal size (cm) */ 334 __u8 max_y; /* Maximum vertical size (cm) */ 335 }; 336 337 struct fb_cmap_user { 338 __u32 start; /* First entry */ 339 __u32 len; /* Number of entries */ 340 __u16 *red; /* Red values */ 341 __u16 *green; 342 __u16 *blue; 343 __u16 *transp; /* transparency, can be NULL */ 344 }; 345 346 struct fb_image_user { 347 __u32 dx; /* Where to place image */ 348 __u32 dy; 349 __u32 width; /* Size of image */ 350 __u32 height; 351 __u32 fg_color; /* Only used when a mono bitmap */ 352 __u32 bg_color; 353 __u8 depth; /* Depth of the image */ 354 const char *data; /* Pointer to image data */ 355 struct fb_cmap_user cmap; /* color map info */ 356 }; 357 358 struct fb_cursor_user { 359 __u16 set; /* what to set */ 360 __u16 enable; /* cursor on/off */ 361 __u16 rop; /* bitop operation */ 362 const char *mask; /* cursor mask bits */ 363 struct fbcurpos hot; /* cursor hot spot */ 364 struct fb_image_user image; /* Cursor image */ 365 }; 366 367 /* 368 * Register/unregister for framebuffer events 369 */ 370 371 /* The resolution of the passed in fb_info about to change */ 372 #define FB_EVENT_MODE_CHANGE 0x01 373 /* The display on this fb_info is beeing suspended, no access to the 374 * framebuffer is allowed any more after that call returns 375 */ 376 #define FB_EVENT_SUSPEND 0x02 377 /* The display on this fb_info was resumed, you can restore the display 378 * if you own it 379 */ 380 #define FB_EVENT_RESUME 0x03 381 /* An entry from the modelist was removed */ 382 #define FB_EVENT_MODE_DELETE 0x04 383 /* A driver registered itself */ 384 #define FB_EVENT_FB_REGISTERED 0x05 385 /* A driver unregistered itself */ 386 #define FB_EVENT_FB_UNREGISTERED 0x06 387 /* CONSOLE-SPECIFIC: get console to framebuffer mapping */ 388 #define FB_EVENT_GET_CONSOLE_MAP 0x07 389 /* CONSOLE-SPECIFIC: set console to framebuffer mapping */ 390 #define FB_EVENT_SET_CONSOLE_MAP 0x08 391 /* A hardware display blank change occured */ 392 #define FB_EVENT_BLANK 0x09 393 /* Private modelist is to be replaced */ 394 #define FB_EVENT_NEW_MODELIST 0x0A 395 /* The resolution of the passed in fb_info about to change and 396 all vc's should be changed */ 397 #define FB_EVENT_MODE_CHANGE_ALL 0x0B 398 /* A software display blank change occured */ 399 #define FB_EVENT_CONBLANK 0x0C 400 /* Get drawing requirements */ 401 #define FB_EVENT_GET_REQ 0x0D 402 /* Unbind from the console if possible */ 403 #define FB_EVENT_FB_UNBIND 0x0E 404 405 struct fb_event { 406 struct fb_info *info; 407 void *data; 408 }; 409 410 struct fb_blit_caps { 411 u32 x; 412 u32 y; 413 u32 len; 414 u32 flags; 415 }; 416 417 /* 418 * Pixmap structure definition 419 * 420 * The purpose of this structure is to translate data 421 * from the hardware independent format of fbdev to what 422 * format the hardware needs. 423 */ 424 425 #define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */ 426 #define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */ 427 #define FB_PIXMAP_IO 4 /* memory is iomapped */ 428 #define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */ 429 430 struct fb_pixmap { 431 u8 *addr; /* pointer to memory */ 432 u32 size; /* size of buffer in bytes */ 433 u32 offset; /* current offset to buffer */ 434 u32 buf_align; /* byte alignment of each bitmap */ 435 u32 scan_align; /* alignment per scanline */ 436 u32 access_align; /* alignment per read/write (bits) */ 437 u32 flags; /* see FB_PIXMAP_* */ 438 u32 blit_x; /* supported bit block dimensions (1-32)*/ 439 u32 blit_y; /* Format: blit_x = 1 << (width - 1) */ 440 /* blit_y = 1 << (height - 1) */ 441 /* if 0, will be set to 0xffffffff (all)*/ 442 /* access methods */ 443 void (*writeio)(struct fb_info *info, void *dst, void *src, unsigned int size); 444 void (*readio) (struct fb_info *info, void *dst, void *src, unsigned int size); 445 }; 446 447 #ifdef CONFIG_FB_DEFERRED_IO 448 struct fb_deferred_io { 449 /* delay between mkwrite and deferred handler */ 450 unsigned long delay; 451 struct mutex lock; /* mutex that protects the page list */ 452 struct list_head pagelist; /* list of touched pages */ 453 /* callback */ 454 void (*deferred_io)(struct fb_info *info, struct list_head *pagelist); 455 }; 456 #endif 457 458 /* FBINFO_* = fb_info.flags bit flags */ 459 #define FBINFO_MODULE 0x0001 /* Low-level driver is a module */ 460 #define FBINFO_HWACCEL_DISABLED 0x0002 461 /* When FBINFO_HWACCEL_DISABLED is set: 462 * Hardware acceleration is turned off. Software implementations 463 * of required functions (copyarea(), fillrect(), and imageblit()) 464 * takes over; acceleration engine should be in a quiescent state */ 465 466 /* hints */ 467 #define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */ 468 #define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */ 469 470 /* 471 * A driver may set this flag to indicate that it does want a set_par to be 472 * called every time when fbcon_switch is executed. The advantage is that with 473 * this flag set you can really be sure that set_par is always called before 474 * any of the functions dependant on the correct hardware state or altering 475 * that state, even if you are using some broken X releases. The disadvantage 476 * is that it introduces unwanted delays to every console switch if set_par 477 * is slow. It is a good idea to try this flag in the drivers initialization 478 * code whenever there is a bug report related to switching between X and the 479 * framebuffer console. 480 */ 481 #define FBINFO_MISC_ALWAYS_SETPAR 0x40000 482 483 /* 484 * Host and GPU endianness differ. 485 */ 486 #define FBINFO_FOREIGN_ENDIAN 0x100000 487 /* 488 * Big endian math. This is the same flags as above, but with different 489 * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag 490 * and host endianness. Drivers should not use this flag. 491 */ 492 #define FBINFO_BE_MATH 0x100000 493 494 struct fb_info { 495 int node; 496 int flags; 497 struct fb_var_screeninfo var; /* Current var */ 498 struct fb_fix_screeninfo fix; /* Current fix */ 499 struct fb_monspecs monspecs; /* Current Monitor specs */ 500 struct fb_pixmap pixmap; /* Image hardware mapper */ 501 struct fb_pixmap sprite; /* Cursor hardware mapper */ 502 struct fb_cmap cmap; /* Current cmap */ 503 struct list_head modelist; /* mode list */ 504 struct fb_videomode *mode; /* current mode */ 505 506 char *screen_base; /* Virtual address */ 507 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */ 508 void *pseudo_palette; /* Fake palette of 16 colors */ 509 #define FBINFO_STATE_RUNNING 0 510 #define FBINFO_STATE_SUSPENDED 1 511 u32 state; /* Hardware state i.e suspend */ 512 void *fbcon_par; /* fbcon use-only private area */ 513 /* From here on everything is device dependent */ 514 void *par; 515 }; 516 517 #define FBINFO_DEFAULT 0 518 519 #define FBINFO_FLAG_MODULE FBINFO_MODULE 520 #define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT 521 522 /* This will go away */ 523 #if defined(__sparc__) 524 525 /* We map all of our framebuffers such that big-endian accesses 526 * are what we want, so the following is sufficient. 527 */ 528 529 /* This will go away */ 530 #define fb_readb sbus_readb 531 #define fb_readw sbus_readw 532 #define fb_readl sbus_readl 533 #define fb_readq sbus_readq 534 #define fb_writeb sbus_writeb 535 #define fb_writew sbus_writew 536 #define fb_writel sbus_writel 537 #define fb_writeq sbus_writeq 538 #define fb_memset sbus_memset_io 539 540 #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__) 541 542 #define fb_readb __raw_readb 543 #define fb_readw __raw_readw 544 #define fb_readl __raw_readl 545 #define fb_readq __raw_readq 546 #define fb_writeb __raw_writeb 547 #define fb_writew __raw_writew 548 #define fb_writel __raw_writel 549 #define fb_writeq __raw_writeq 550 #define fb_memset memset_io 551 552 #else 553 554 #define fb_readb(addr) (*(volatile u8 *) (addr)) 555 #define fb_readw(addr) (*(volatile u16 *) (addr)) 556 #define fb_readl(addr) (*(volatile u32 *) (addr)) 557 #define fb_readq(addr) (*(volatile u64 *) (addr)) 558 #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b)) 559 #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b)) 560 #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b)) 561 #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b)) 562 #define fb_memset memset 563 564 #endif 565 566 #define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0) 567 #define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \ 568 (val) << (bits)) 569 #define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \ 570 (val) >> (bits)) 571 /* drivers/video/fbmon.c */ 572 #define FB_MAXTIMINGS 0 573 #define FB_VSYNCTIMINGS 1 574 #define FB_HSYNCTIMINGS 2 575 #define FB_DCLKTIMINGS 3 576 #define FB_IGNOREMON 0x100 577 578 #define FB_MODE_IS_UNKNOWN 0 579 #define FB_MODE_IS_DETAILED 1 580 #define FB_MODE_IS_STANDARD 2 581 #define FB_MODE_IS_VESA 4 582 #define FB_MODE_IS_CALCULATED 8 583 #define FB_MODE_IS_FIRST 16 584 #define FB_MODE_IS_FROM_VAR 32 585 586 587 /* drivers/video/fbcmap.c */ 588 589 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); 590 extern void fb_dealloc_cmap(struct fb_cmap *cmap); 591 extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to); 592 extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to); 593 extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info); 594 extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info); 595 extern const struct fb_cmap *fb_default_cmap(int len); 596 extern void fb_invert_cmaps(void); 597 598 struct fb_videomode { 599 const char *name; /* optional */ 600 u32 refresh; /* optional */ 601 u32 xres; 602 u32 yres; 603 u32 pixclock; 604 u32 left_margin; 605 u32 right_margin; 606 u32 upper_margin; 607 u32 lower_margin; 608 u32 hsync_len; 609 u32 vsync_len; 610 u32 sync; 611 u32 vmode; 612 u32 flag; 613 }; 614 615 #endif /* __KERNEL__ */ 616 617 #endif /* _LINUX_FB_H */ 618