1#ifndef _LINUX_FB_H 2#define _LINUX_FB_H 3 4#include <asm/types.h> 5#include <linux/i2c.h> 6 7struct dentry; 8 9/* Definitions of frame buffers */ 10 11#define FB_MAJOR 29 12#define FB_MAX 32 /* sufficient for now */ 13 14/* ioctls 15 0x46 is 'F' */ 16#define FBIOGET_VSCREENINFO 0x4600 17#define FBIOPUT_VSCREENINFO 0x4601 18#define FBIOGET_FSCREENINFO 0x4602 19#define FBIOGETCMAP 0x4604 20#define FBIOPUTCMAP 0x4605 21#define FBIOPAN_DISPLAY 0x4606 22#ifdef __KERNEL__ 23#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user) 24#else 25#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor) 26#endif 27/* 0x4607-0x460B are defined below */ 28/* #define FBIOGET_MONITORSPEC 0x460C */ 29/* #define FBIOPUT_MONITORSPEC 0x460D */ 30/* #define FBIOSWITCH_MONIBIT 0x460E */ 31#define FBIOGET_CON2FBMAP 0x460F 32#define FBIOPUT_CON2FBMAP 0x4610 33#define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */ 34#define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank) 35#define FBIO_ALLOC 0x4613 36#define FBIO_FREE 0x4614 37#define FBIOGET_GLYPH 0x4615 38#define FBIOGET_HWCINFO 0x4616 39#define FBIOPUT_MODEINFO 0x4617 40#define FBIOGET_DISPINFO 0x4618 41 42 43#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */ 44#define FB_TYPE_PLANES 1 /* Non interleaved planes */ 45#define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */ 46#define FB_TYPE_TEXT 3 /* Text/attributes */ 47#define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */ 48 49#define FB_AUX_TEXT_MDA 0 /* Monochrome text */ 50#define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */ 51#define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */ 52#define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */ 53#define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */ 54#define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */ 55#define FB_AUX_TEXT_SVGA_MASK 7 /* lower three bits says step */ 56#define FB_AUX_TEXT_SVGA_STEP2 8 /* SVGA text mode: text, attr */ 57#define FB_AUX_TEXT_SVGA_STEP4 9 /* SVGA text mode: text, attr, 2 reserved bytes */ 58#define FB_AUX_TEXT_SVGA_STEP8 10 /* SVGA text mode: text, attr, 6 reserved bytes */ 59#define FB_AUX_TEXT_SVGA_STEP16 11 /* SVGA text mode: text, attr, 14 reserved bytes */ 60#define FB_AUX_TEXT_SVGA_LAST 15 /* reserved up to 15 */ 61 62#define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */ 63#define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */ 64#define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */ 65 66#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */ 67#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */ 68#define FB_VISUAL_TRUECOLOR 2 /* True color */ 69#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */ 70#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */ 71#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */ 72 73#define FB_ACCEL_NONE 0 /* no hardware accelerator */ 74#define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */ 75#define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */ 76#define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */ 77#define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */ 78#define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */ 79#define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */ 80#define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */ 81#define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */ 82#define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */ 83#define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */ 84#define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */ 85#define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */ 86#define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */ 87#define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */ 88#define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */ 89#define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */ 90#define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */ 91#define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */ 92#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */ 93#define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */ 94#define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */ 95#define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */ 96#define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */ 97#define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */ 98#define FB_ACCEL_SUN_TCX 25 /* Sun tcx */ 99#define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */ 100#define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */ 101#define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */ 102#define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */ 103#define FB_ACCEL_CT_6555x 30 /* C&T 6555x */ 104#define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */ 105#define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */ 106#define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */ 107#define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */ 108#define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */ 109#define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */ 110#define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */ 111#define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */ 112#define FB_ACCEL_I810 39 /* Intel 810/815 */ 113#define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */ 114#define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */ 115#define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */ 116#define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */ 117#define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */ 118#define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */ 119#define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */ 120#define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */ 121#define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */ 122#define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */ 123#define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */ 124#define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */ 125#define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */ 126#define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */ 127#define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */ 128#define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */ 129#define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */ 130#define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */ 131 132#define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */ 133#define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */ 134#define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */ 135#define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */ 136#define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */ 137#define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */ 138#define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */ 139#define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */ 140#define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */ 141#define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */ 142#define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */ 143#define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */ 144#define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */ 145#define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */ 146#define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */ 147 148struct fb_fix_screeninfo { 149 char id[16]; /* identification string eg "TT Builtin" */ 150 unsigned long smem_start; /* Start of frame buffer mem */ 151 /* (physical address) */ 152 __u32 smem_len; /* Length of frame buffer mem */ 153 __u32 type; /* see FB_TYPE_* */ 154 __u32 type_aux; /* Interleave for interleaved Planes */ 155 __u32 visual; /* see FB_VISUAL_* */ 156 __u16 xpanstep; /* zero if no hardware panning */ 157 __u16 ypanstep; /* zero if no hardware panning */ 158 __u16 ywrapstep; /* zero if no hardware ywrap */ 159 __u32 line_length; /* length of a line in bytes */ 160 unsigned long mmio_start; /* Start of Memory Mapped I/O */ 161 /* (physical address) */ 162 __u32 mmio_len; /* Length of Memory Mapped I/O */ 163 __u32 accel; /* Indicate to driver which */ 164 /* specific chip/card we have */ 165 __u16 reserved[3]; /* Reserved for future compatibility */ 166}; 167 168/* Interpretation of offset for color fields: All offsets are from the right, 169 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you 170 * can use the offset as right argument to <<). A pixel afterwards is a bit 171 * stream and is written to video memory as that unmodified. This implies 172 * big-endian byte order if bits_per_pixel is greater than 8. 173 */ 174struct fb_bitfield { 175 __u32 offset; /* beginning of bitfield */ 176 __u32 length; /* length of bitfield */ 177 __u32 msb_right; /* != 0 : Most significant bit is */ 178 /* right */ 179}; 180 181#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */ 182 183#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/ 184#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */ 185#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */ 186#define FB_ACTIVATE_MASK 15 187 /* values */ 188#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */ 189#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */ 190#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */ 191#define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/ 192#define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */ 193 194#define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */ 195 196#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */ 197#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */ 198#define FB_SYNC_EXT 4 /* external sync */ 199#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */ 200#define FB_SYNC_BROADCAST 16 /* broadcast video timings */ 201 /* vtotal = 144d/288n/576i => PAL */ 202 /* vtotal = 121d/242n/484i => NTSC */ 203#define FB_SYNC_ON_GREEN 32 /* sync on green */ 204 205#define FB_VMODE_NONINTERLACED 0 /* non interlaced */ 206#define FB_VMODE_INTERLACED 1 /* interlaced */ 207#define FB_VMODE_DOUBLE 2 /* double scan */ 208#define FB_VMODE_MASK 255 209 210#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */ 211#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ 212#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ 213 214/* 215 * Display rotation support 216 */ 217#define FB_ROTATE_UR 0 218#define FB_ROTATE_CW 1 219#define FB_ROTATE_UD 2 220#define FB_ROTATE_CCW 3 221 222#define PICOS2KHZ(a) (1000000000UL/(a)) 223#define KHZ2PICOS(a) (1000000000UL/(a)) 224 225struct fb_var_screeninfo { 226 __u32 xres; /* visible resolution */ 227 __u32 yres; 228 __u32 xres_virtual; /* virtual resolution */ 229 __u32 yres_virtual; 230 __u32 xoffset; /* offset from virtual to visible */ 231 __u32 yoffset; /* resolution */ 232 233 __u32 bits_per_pixel; /* guess what */ 234 __u32 grayscale; /* != 0 Graylevels instead of colors */ 235 236 struct fb_bitfield red; /* bitfield in fb mem if true color, */ 237 struct fb_bitfield green; /* else only length is significant */ 238 struct fb_bitfield blue; 239 struct fb_bitfield transp; /* transparency */ 240 241 __u32 nonstd; /* != 0 Non standard pixel format */ 242 243 __u32 activate; /* see FB_ACTIVATE_* */ 244 245 __u32 height; /* height of picture in mm */ 246 __u32 width; /* width of picture in mm */ 247 248 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */ 249 250 /* Timing: All values in pixclocks, except pixclock (of course) */ 251 __u32 pixclock; /* pixel clock in ps (pico seconds) */ 252 __u32 left_margin; /* time from sync to picture */ 253 __u32 right_margin; /* time from picture to sync */ 254 __u32 upper_margin; /* time from sync to picture */ 255 __u32 lower_margin; 256 __u32 hsync_len; /* length of horizontal sync */ 257 __u32 vsync_len; /* length of vertical sync */ 258 __u32 sync; /* see FB_SYNC_* */ 259 __u32 vmode; /* see FB_VMODE_* */ 260 __u32 rotate; /* angle we rotate counter clockwise */ 261 __u32 reserved[5]; /* Reserved for future compatibility */ 262}; 263 264struct fb_cmap { 265 __u32 start; /* First entry */ 266 __u32 len; /* Number of entries */ 267 __u16 *red; /* Red values */ 268 __u16 *green; 269 __u16 *blue; 270 __u16 *transp; /* transparency, can be NULL */ 271}; 272 273struct fb_con2fbmap { 274 __u32 console; 275 __u32 framebuffer; 276}; 277 278/* VESA Blanking Levels */ 279#define VESA_NO_BLANKING 0 280#define VESA_VSYNC_SUSPEND 1 281#define VESA_HSYNC_SUSPEND 2 282#define VESA_POWERDOWN 3 283 284 285enum { 286 /* screen: unblanked, hsync: on, vsync: on */ 287 FB_BLANK_UNBLANK = VESA_NO_BLANKING, 288 289 /* screen: blanked, hsync: on, vsync: on */ 290 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1, 291 292 /* screen: blanked, hsync: on, vsync: off */ 293 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1, 294 295 /* screen: blanked, hsync: off, vsync: on */ 296 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1, 297 298 /* screen: blanked, hsync: off, vsync: off */ 299 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1 300}; 301 302#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */ 303#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */ 304#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */ 305#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */ 306#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */ 307#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */ 308#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */ 309#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */ 310#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */ 311 312struct fb_vblank { 313 __u32 flags; /* FB_VBLANK flags */ 314 __u32 count; /* counter of retraces since boot */ 315 __u32 vcount; /* current scanline position */ 316 __u32 hcount; /* current scandot position */ 317 __u32 reserved[4]; /* reserved for future compatibility */ 318}; 319 320/* Internal HW accel */ 321#define ROP_COPY 0 322#define ROP_XOR 1 323 324struct fb_copyarea { 325 __u32 dx; 326 __u32 dy; 327 __u32 width; 328 __u32 height; 329 __u32 sx; 330 __u32 sy; 331}; 332 333struct fb_fillrect { 334 __u32 dx; /* screen-relative */ 335 __u32 dy; 336 __u32 width; 337 __u32 height; 338 __u32 color; 339 __u32 rop; 340}; 341 342struct fb_image { 343 __u32 dx; /* Where to place image */ 344 __u32 dy; 345 __u32 width; /* Size of image */ 346 __u32 height; 347 __u32 fg_color; /* Only used when a mono bitmap */ 348 __u32 bg_color; 349 __u8 depth; /* Depth of the image */ 350 const char *data; /* Pointer to image data */ 351 struct fb_cmap cmap; /* color map info */ 352}; 353 354/* 355 * hardware cursor control 356 */ 357 358#define FB_CUR_SETIMAGE 0x01 359#define FB_CUR_SETPOS 0x02 360#define FB_CUR_SETHOT 0x04 361#define FB_CUR_SETCMAP 0x08 362#define FB_CUR_SETSHAPE 0x10 363#define FB_CUR_SETSIZE 0x20 364#define FB_CUR_SETALL 0xFF 365 366struct fbcurpos { 367 __u16 x, y; 368}; 369 370struct fb_cursor { 371 __u16 set; /* what to set */ 372 __u16 enable; /* cursor on/off */ 373 __u16 rop; /* bitop operation */ 374 const char *mask; /* cursor mask bits */ 375 struct fbcurpos hot; /* cursor hot spot */ 376 struct fb_image image; /* Cursor image */ 377}; 378 379#ifdef CONFIG_FB_BACKLIGHT 380/* Settings for the generic backlight code */ 381#define FB_BACKLIGHT_LEVELS 128 382#define FB_BACKLIGHT_MAX 0xFF 383#endif 384 385#ifdef __KERNEL__ 386 387#include <linux/fs.h> 388#include <linux/init.h> 389#include <linux/device.h> 390#include <linux/workqueue.h> 391#include <linux/notifier.h> 392#include <linux/list.h> 393#include <linux/backlight.h> 394#include <asm/io.h> 395 396struct vm_area_struct; 397struct fb_info; 398struct device; 399struct file; 400 401/* Definitions below are used in the parsed monitor specs */ 402#define FB_DPMS_ACTIVE_OFF 1 403#define FB_DPMS_SUSPEND 2 404#define FB_DPMS_STANDBY 4 405 406#define FB_DISP_DDI 1 407#define FB_DISP_ANA_700_300 2 408#define FB_DISP_ANA_714_286 4 409#define FB_DISP_ANA_1000_400 8 410#define FB_DISP_ANA_700_000 16 411 412#define FB_DISP_MONO 32 413#define FB_DISP_RGB 64 414#define FB_DISP_MULTI 128 415#define FB_DISP_UNKNOWN 256 416 417#define FB_SIGNAL_NONE 0 418#define FB_SIGNAL_BLANK_BLANK 1 419#define FB_SIGNAL_SEPARATE 2 420#define FB_SIGNAL_COMPOSITE 4 421#define FB_SIGNAL_SYNC_ON_GREEN 8 422#define FB_SIGNAL_SERRATION_ON 16 423 424#define FB_MISC_PRIM_COLOR 1 425#define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */ 426struct fb_chroma { 427 __u32 redx; /* in fraction of 1024 */ 428 __u32 greenx; 429 __u32 bluex; 430 __u32 whitex; 431 __u32 redy; 432 __u32 greeny; 433 __u32 bluey; 434 __u32 whitey; 435}; 436 437struct fb_monspecs { 438 struct fb_chroma chroma; 439 struct fb_videomode *modedb; /* mode database */ 440 __u8 manufacturer[4]; /* Manufacturer */ 441 __u8 monitor[14]; /* Monitor String */ 442 __u8 serial_no[14]; /* Serial Number */ 443 __u8 ascii[14]; /* ? */ 444 __u32 modedb_len; /* mode database length */ 445 __u32 model; /* Monitor Model */ 446 __u32 serial; /* Serial Number - Integer */ 447 __u32 year; /* Year manufactured */ 448 __u32 week; /* Week Manufactured */ 449 __u32 hfmin; /* hfreq lower limit (Hz) */ 450 __u32 hfmax; /* hfreq upper limit (Hz) */ 451 __u32 dclkmin; /* pixelclock lower limit (Hz) */ 452 __u32 dclkmax; /* pixelclock upper limit (Hz) */ 453 __u16 input; /* display type - see FB_DISP_* */ 454 __u16 dpms; /* DPMS support - see FB_DPMS_ */ 455 __u16 signal; /* Signal Type - see FB_SIGNAL_* */ 456 __u16 vfmin; /* vfreq lower limit (Hz) */ 457 __u16 vfmax; /* vfreq upper limit (Hz) */ 458 __u16 gamma; /* Gamma - in fractions of 100 */ 459 __u16 gtf : 1; /* supports GTF */ 460 __u16 misc; /* Misc flags - see FB_MISC_* */ 461 __u8 version; /* EDID version... */ 462 __u8 revision; /* ...and revision */ 463 __u8 max_x; /* Maximum horizontal size (cm) */ 464 __u8 max_y; /* Maximum vertical size (cm) */ 465}; 466 467struct fb_cmap_user { 468 __u32 start; /* First entry */ 469 __u32 len; /* Number of entries */ 470 __u16 __user *red; /* Red values */ 471 __u16 __user *green; 472 __u16 __user *blue; 473 __u16 __user *transp; /* transparency, can be NULL */ 474}; 475 476struct fb_image_user { 477 __u32 dx; /* Where to place image */ 478 __u32 dy; 479 __u32 width; /* Size of image */ 480 __u32 height; 481 __u32 fg_color; /* Only used when a mono bitmap */ 482 __u32 bg_color; 483 __u8 depth; /* Depth of the image */ 484 const char __user *data; /* Pointer to image data */ 485 struct fb_cmap_user cmap; /* color map info */ 486}; 487 488struct fb_cursor_user { 489 __u16 set; /* what to set */ 490 __u16 enable; /* cursor on/off */ 491 __u16 rop; /* bitop operation */ 492 const char __user *mask; /* cursor mask bits */ 493 struct fbcurpos hot; /* cursor hot spot */ 494 struct fb_image_user image; /* Cursor image */ 495}; 496 497/* 498 * Register/unregister for framebuffer events 499 */ 500 501/* The resolution of the passed in fb_info about to change */ 502#define FB_EVENT_MODE_CHANGE 0x01 503/* The display on this fb_info is beeing suspended, no access to the 504 * framebuffer is allowed any more after that call returns 505 */ 506#define FB_EVENT_SUSPEND 0x02 507/* The display on this fb_info was resumed, you can restore the display 508 * if you own it 509 */ 510#define FB_EVENT_RESUME 0x03 511/* An entry from the modelist was removed */ 512#define FB_EVENT_MODE_DELETE 0x04 513/* A driver registered itself */ 514#define FB_EVENT_FB_REGISTERED 0x05 515/* A driver unregistered itself */ 516#define FB_EVENT_FB_UNREGISTERED 0x06 517/* CONSOLE-SPECIFIC: get console to framebuffer mapping */ 518#define FB_EVENT_GET_CONSOLE_MAP 0x07 519/* CONSOLE-SPECIFIC: set console to framebuffer mapping */ 520#define FB_EVENT_SET_CONSOLE_MAP 0x08 521/* A hardware display blank change occured */ 522#define FB_EVENT_BLANK 0x09 523/* Private modelist is to be replaced */ 524#define FB_EVENT_NEW_MODELIST 0x0A 525/* The resolution of the passed in fb_info about to change and 526 all vc's should be changed */ 527#define FB_EVENT_MODE_CHANGE_ALL 0x0B 528/* A software display blank change occured */ 529#define FB_EVENT_CONBLANK 0x0C 530/* Get drawing requirements */ 531#define FB_EVENT_GET_REQ 0x0D 532 533struct fb_event { 534 struct fb_info *info; 535 void *data; 536}; 537 538struct fb_blit_caps { 539 u32 x; 540 u32 y; 541 u32 len; 542 u32 flags; 543}; 544 545extern int fb_register_client(struct notifier_block *nb); 546extern int fb_unregister_client(struct notifier_block *nb); 547extern int fb_notifier_call_chain(unsigned long val, void *v); 548/* 549 * Pixmap structure definition 550 * 551 * The purpose of this structure is to translate data 552 * from the hardware independent format of fbdev to what 553 * format the hardware needs. 554 */ 555 556#define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */ 557#define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */ 558#define FB_PIXMAP_IO 4 /* memory is iomapped */ 559#define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */ 560 561struct fb_pixmap { 562 u8 *addr; /* pointer to memory */ 563 u32 size; /* size of buffer in bytes */ 564 u32 offset; /* current offset to buffer */ 565 u32 buf_align; /* byte alignment of each bitmap */ 566 u32 scan_align; /* alignment per scanline */ 567 u32 access_align; /* alignment per read/write (bits) */ 568 u32 flags; /* see FB_PIXMAP_* */ 569 u32 blit_x; /* supported bit block dimensions (1-32)*/ 570 u32 blit_y; /* Format: blit_x = 1 << (width - 1) */ 571 /* blit_y = 1 << (height - 1) */ 572 /* if 0, will be set to 0xffffffff (all)*/ 573 /* access methods */ 574 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size); 575 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size); 576}; 577 578#ifdef CONFIG_FB_DEFERRED_IO 579struct fb_deferred_io { 580 /* delay between mkwrite and deferred handler */ 581 unsigned long delay; 582 struct mutex lock; /* mutex that protects the page list */ 583 struct list_head pagelist; /* list of touched pages */ 584 /* callback */ 585 void (*deferred_io)(struct fb_info *info, struct list_head *pagelist); 586}; 587#endif 588 589/* 590 * Frame buffer operations 591 * 592 * LOCKING NOTE: those functions must _ALL_ be called with the console 593 * semaphore held, this is the only suitable locking mechanism we have 594 * in 2.6. Some may be called at interrupt time at this point though. 595 */ 596 597struct fb_ops { 598 /* open/release and usage marking */ 599 struct module *owner; 600 int (*fb_open)(struct fb_info *info, int user); 601 int (*fb_release)(struct fb_info *info, int user); 602 603 /* For framebuffers with strange non linear layouts or that do not 604 * work with normal memory mapped access 605 */ 606 ssize_t (*fb_read)(struct fb_info *info, char __user *buf, 607 size_t count, loff_t *ppos); 608 ssize_t (*fb_write)(struct fb_info *info, const char __user *buf, 609 size_t count, loff_t *ppos); 610 611 /* checks var and eventually tweaks it to something supported, 612 * DO NOT MODIFY PAR */ 613 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info); 614 615 /* set the video mode according to info->var */ 616 int (*fb_set_par)(struct fb_info *info); 617 618 /* set color register */ 619 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green, 620 unsigned blue, unsigned transp, struct fb_info *info); 621 622 /* set color registers in batch */ 623 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info); 624 625 /* blank display */ 626 int (*fb_blank)(int blank, struct fb_info *info); 627 628 /* pan display */ 629 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info); 630 631 /* Draws a rectangle */ 632 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect); 633 /* Copy data from area to another */ 634 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region); 635 /* Draws a image to the display */ 636 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image); 637 638 /* Draws cursor */ 639 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor); 640 641 /* Rotates the display */ 642 void (*fb_rotate)(struct fb_info *info, int angle); 643 644 /* wait for blit idle, optional */ 645 int (*fb_sync)(struct fb_info *info); 646 647 /* perform fb specific ioctl (optional) */ 648 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd, 649 unsigned long arg); 650 651 /* Handle 32bit compat ioctl (optional) */ 652 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd, 653 unsigned long arg); 654 655 /* perform fb specific mmap */ 656 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma); 657 658 /* save current hardware state */ 659 void (*fb_save_state)(struct fb_info *info); 660 661 /* restore saved state */ 662 void (*fb_restore_state)(struct fb_info *info); 663 664 /* get capability given var */ 665 void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps, 666 struct fb_var_screeninfo *var); 667}; 668 669#ifdef CONFIG_FB_TILEBLITTING 670#define FB_TILE_CURSOR_NONE 0 671#define FB_TILE_CURSOR_UNDERLINE 1 672#define FB_TILE_CURSOR_LOWER_THIRD 2 673#define FB_TILE_CURSOR_LOWER_HALF 3 674#define FB_TILE_CURSOR_TWO_THIRDS 4 675#define FB_TILE_CURSOR_BLOCK 5 676 677struct fb_tilemap { 678 __u32 width; /* width of each tile in pixels */ 679 __u32 height; /* height of each tile in scanlines */ 680 __u32 depth; /* color depth of each tile */ 681 __u32 length; /* number of tiles in the map */ 682 const __u8 *data; /* actual tile map: a bitmap array, packed 683 to the nearest byte */ 684}; 685 686struct fb_tilerect { 687 __u32 sx; /* origin in the x-axis */ 688 __u32 sy; /* origin in the y-axis */ 689 __u32 width; /* number of tiles in the x-axis */ 690 __u32 height; /* number of tiles in the y-axis */ 691 __u32 index; /* what tile to use: index to tile map */ 692 __u32 fg; /* foreground color */ 693 __u32 bg; /* background color */ 694 __u32 rop; /* raster operation */ 695}; 696 697struct fb_tilearea { 698 __u32 sx; /* source origin in the x-axis */ 699 __u32 sy; /* source origin in the y-axis */ 700 __u32 dx; /* destination origin in the x-axis */ 701 __u32 dy; /* destination origin in the y-axis */ 702 __u32 width; /* number of tiles in the x-axis */ 703 __u32 height; /* number of tiles in the y-axis */ 704}; 705 706struct fb_tileblit { 707 __u32 sx; /* origin in the x-axis */ 708 __u32 sy; /* origin in the y-axis */ 709 __u32 width; /* number of tiles in the x-axis */ 710 __u32 height; /* number of tiles in the y-axis */ 711 __u32 fg; /* foreground color */ 712 __u32 bg; /* background color */ 713 __u32 length; /* number of tiles to draw */ 714 __u32 *indices; /* array of indices to tile map */ 715}; 716 717struct fb_tilecursor { 718 __u32 sx; /* cursor position in the x-axis */ 719 __u32 sy; /* cursor position in the y-axis */ 720 __u32 mode; /* 0 = erase, 1 = draw */ 721 __u32 shape; /* see FB_TILE_CURSOR_* */ 722 __u32 fg; /* foreground color */ 723 __u32 bg; /* background color */ 724}; 725 726struct fb_tile_ops { 727 /* set tile characteristics */ 728 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map); 729 730 /* all dimensions from hereon are in terms of tiles */ 731 732 /* move a rectangular region of tiles from one area to another*/ 733 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area); 734 /* fill a rectangular region with a tile */ 735 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect); 736 /* copy an array of tiles */ 737 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit); 738 /* cursor */ 739 void (*fb_tilecursor)(struct fb_info *info, 740 struct fb_tilecursor *cursor); 741 /* get maximum length of the tile map */ 742 int (*fb_get_tilemax)(struct fb_info *info); 743}; 744#endif /* CONFIG_FB_TILEBLITTING */ 745 746/* FBINFO_* = fb_info.flags bit flags */ 747#define FBINFO_MODULE 0x0001 /* Low-level driver is a module */ 748#define FBINFO_HWACCEL_DISABLED 0x0002 749 /* When FBINFO_HWACCEL_DISABLED is set: 750 * Hardware acceleration is turned off. Software implementations 751 * of required functions (copyarea(), fillrect(), and imageblit()) 752 * takes over; acceleration engine should be in a quiescent state */ 753 754/* hints */ 755#define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */ 756#define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */ 757 758/* hardware supported ops */ 759/* semantics: when a bit is set, it indicates that the operation is 760 * accelerated by hardware. 761 * required functions will still work even if the bit is not set. 762 * optional functions may not even exist if the flag bit is not set. 763 */ 764#define FBINFO_HWACCEL_NONE 0x0000 765#define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */ 766#define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */ 767#define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */ 768#define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */ 769#define FBINFO_HWACCEL_XPAN 0x1000 /* optional */ 770#define FBINFO_HWACCEL_YPAN 0x2000 /* optional */ 771#define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */ 772 773#define FBINFO_MISC_USEREVENT 0x10000 /* event request 774 from userspace */ 775#define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */ 776 777/* A driver may set this flag to indicate that it does want a set_par to be 778 * called every time when fbcon_switch is executed. The advantage is that with 779 * this flag set you can really be sure that set_par is always called before 780 * any of the functions dependant on the correct hardware state or altering 781 * that state, even if you are using some broken X releases. The disadvantage 782 * is that it introduces unwanted delays to every console switch if set_par 783 * is slow. It is a good idea to try this flag in the drivers initialization 784 * code whenever there is a bug report related to switching between X and the 785 * framebuffer console. 786 */ 787#define FBINFO_MISC_ALWAYS_SETPAR 0x40000 788 789struct fb_info { 790 int node; 791 int flags; 792 struct fb_var_screeninfo var; /* Current var */ 793 struct fb_fix_screeninfo fix; /* Current fix */ 794 struct fb_monspecs monspecs; /* Current Monitor specs */ 795 struct work_struct queue; /* Framebuffer event queue */ 796 struct fb_pixmap pixmap; /* Image hardware mapper */ 797 struct fb_pixmap sprite; /* Cursor hardware mapper */ 798 struct fb_cmap cmap; /* Current cmap */ 799 struct list_head modelist; /* mode list */ 800 struct fb_videomode *mode; /* current mode */ 801 802#ifdef CONFIG_FB_BACKLIGHT 803 /* assigned backlight device */ 804 /* set before framebuffer registration, 805 remove after unregister */ 806 struct backlight_device *bl_dev; 807 808 /* Backlight level curve */ 809 struct mutex bl_curve_mutex; 810 u8 bl_curve[FB_BACKLIGHT_LEVELS]; 811#endif 812#ifdef CONFIG_FB_DEFERRED_IO 813 struct delayed_work deferred_work; 814 struct fb_deferred_io *fbdefio; 815#endif 816 817 struct fb_ops *fbops; 818 struct device *device; /* This is the parent */ 819 struct device *dev; /* This is this fb device */ 820 int class_flag; /* private sysfs flags */ 821#ifdef CONFIG_FB_TILEBLITTING 822 struct fb_tile_ops *tileops; /* Tile Blitting */ 823#endif 824 char __iomem *screen_base; /* Virtual address */ 825 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */ 826 void *pseudo_palette; /* Fake palette of 16 colors */ 827#define FBINFO_STATE_RUNNING 0 828#define FBINFO_STATE_SUSPENDED 1 829 u32 state; /* Hardware state i.e suspend */ 830 void *fbcon_par; /* fbcon use-only private area */ 831 /* From here on everything is device dependent */ 832 void *par; 833}; 834 835#ifdef MODULE 836#define FBINFO_DEFAULT FBINFO_MODULE 837#else 838#define FBINFO_DEFAULT 0 839#endif 840 841// This will go away 842#define FBINFO_FLAG_MODULE FBINFO_MODULE 843#define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT 844 845/* This will go away 846 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags 847 * when it wants to turn the acceleration engine on. This is 848 * really a separate operation, and should be modified via sysfs. 849 * But for now, we leave it broken with the following define 850 */ 851#define STUPID_ACCELF_TEXT_SHIT 852 853// This will go away 854#if defined(__sparc__) 855 856/* We map all of our framebuffers such that big-endian accesses 857 * are what we want, so the following is sufficient. 858 */ 859 860// This will go away 861#define fb_readb sbus_readb 862#define fb_readw sbus_readw 863#define fb_readl sbus_readl 864#define fb_readq sbus_readq 865#define fb_writeb sbus_writeb 866#define fb_writew sbus_writew 867#define fb_writel sbus_writel 868#define fb_writeq sbus_writeq 869#define fb_memset sbus_memset_io 870 871#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || \ 872 defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__) || \ 873 defined(__avr32__) 874 875#define fb_readb __raw_readb 876#define fb_readw __raw_readw 877#define fb_readl __raw_readl 878#define fb_readq __raw_readq 879#define fb_writeb __raw_writeb 880#define fb_writew __raw_writew 881#define fb_writel __raw_writel 882#define fb_writeq __raw_writeq 883#define fb_memset memset_io 884 885#else 886 887#define fb_readb(addr) (*(volatile u8 *) (addr)) 888#define fb_readw(addr) (*(volatile u16 *) (addr)) 889#define fb_readl(addr) (*(volatile u32 *) (addr)) 890#define fb_readq(addr) (*(volatile u64 *) (addr)) 891#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b)) 892#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b)) 893#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b)) 894#define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b)) 895#define fb_memset memset 896 897#endif 898 899#if defined(__BIG_ENDIAN) 900#define FB_LEFT_POS(bpp) (32 - bpp) 901#define FB_SHIFT_HIGH(val, bits) ((val) >> (bits)) 902#define FB_SHIFT_LOW(val, bits) ((val) << (bits)) 903#else 904#define FB_LEFT_POS(bpp) (0) 905#define FB_SHIFT_HIGH(val, bits) ((val) << (bits)) 906#define FB_SHIFT_LOW(val, bits) ((val) >> (bits)) 907#endif 908 909 /* 910 * `Generic' versions of the frame buffer device operations 911 */ 912 913extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var); 914extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var); 915extern int fb_blank(struct fb_info *info, int blank); 916extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 917extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); 918extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image); 919/* 920 * Drawing operations where framebuffer is in system RAM 921 */ 922extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 923extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area); 924extern void sys_imageblit(struct fb_info *info, const struct fb_image *image); 925extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf, 926 size_t count, loff_t *ppos); 927extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf, 928 size_t count, loff_t *ppos); 929 930/* drivers/video/fbmem.c */ 931extern int register_framebuffer(struct fb_info *fb_info); 932extern int unregister_framebuffer(struct fb_info *fb_info); 933extern int fb_prepare_logo(struct fb_info *fb_info, int rotate); 934extern int fb_show_logo(struct fb_info *fb_info, int rotate); 935extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size); 936extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx, 937 u32 height, u32 shift_high, u32 shift_low, u32 mod); 938extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height); 939extern void fb_set_suspend(struct fb_info *info, int state); 940extern int fb_get_color_depth(struct fb_var_screeninfo *var, 941 struct fb_fix_screeninfo *fix); 942extern int fb_get_options(char *name, char **option); 943extern int fb_new_modelist(struct fb_info *info); 944 945extern struct fb_info *registered_fb[FB_MAX]; 946extern int num_registered_fb; 947extern struct class *fb_class; 948 949static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, 950 u8 *src, u32 s_pitch, u32 height) 951{ 952 int i, j; 953 954 d_pitch -= s_pitch; 955 956 for (i = height; i--; ) { 957 /* s_pitch is a few bytes at the most, memcpy is suboptimal */ 958 for (j = 0; j < s_pitch; j++) 959 *dst++ = *src++; 960 dst += d_pitch; 961 } 962} 963 964/* drivers/video/fb_defio.c */ 965extern void fb_deferred_io_init(struct fb_info *info); 966extern void fb_deferred_io_cleanup(struct fb_info *info); 967extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry, 968 int datasync); 969 970/* drivers/video/fbsysfs.c */ 971extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev); 972extern void framebuffer_release(struct fb_info *info); 973extern int fb_init_device(struct fb_info *fb_info); 974extern void fb_cleanup_device(struct fb_info *head); 975extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max); 976 977/* drivers/video/fbmon.c */ 978#define FB_MAXTIMINGS 0 979#define FB_VSYNCTIMINGS 1 980#define FB_HSYNCTIMINGS 2 981#define FB_DCLKTIMINGS 3 982#define FB_IGNOREMON 0x100 983 984#define FB_MODE_IS_UNKNOWN 0 985#define FB_MODE_IS_DETAILED 1 986#define FB_MODE_IS_STANDARD 2 987#define FB_MODE_IS_VESA 4 988#define FB_MODE_IS_CALCULATED 8 989#define FB_MODE_IS_FIRST 16 990#define FB_MODE_IS_FROM_VAR 32 991 992extern int fbmon_dpms(const struct fb_info *fb_info); 993extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, 994 struct fb_info *info); 995extern int fb_validate_mode(const struct fb_var_screeninfo *var, 996 struct fb_info *info); 997extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var); 998extern const unsigned char *fb_firmware_edid(struct device *device); 999extern void fb_edid_to_monspecs(unsigned char *edid, 1000 struct fb_monspecs *specs); 1001extern void fb_destroy_modedb(struct fb_videomode *modedb); 1002extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb); 1003extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter); 1004 1005/* drivers/video/modedb.c */ 1006#define VESA_MODEDB_SIZE 34 1007extern void fb_var_to_videomode(struct fb_videomode *mode, 1008 const struct fb_var_screeninfo *var); 1009extern void fb_videomode_to_var(struct fb_var_screeninfo *var, 1010 const struct fb_videomode *mode); 1011extern int fb_mode_is_equal(const struct fb_videomode *mode1, 1012 const struct fb_videomode *mode2); 1013extern int fb_add_videomode(const struct fb_videomode *mode, 1014 struct list_head *head); 1015extern void fb_delete_videomode(const struct fb_videomode *mode, 1016 struct list_head *head); 1017extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var, 1018 struct list_head *head); 1019extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var, 1020 struct list_head *head); 1021extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode, 1022 struct list_head *head); 1023extern void fb_destroy_modelist(struct list_head *head); 1024extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num, 1025 struct list_head *head); 1026extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs, 1027 struct list_head *head); 1028 1029/* drivers/video/fbcmap.c */ 1030extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); 1031extern void fb_dealloc_cmap(struct fb_cmap *cmap); 1032extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to); 1033extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to); 1034extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info); 1035extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info); 1036extern const struct fb_cmap *fb_default_cmap(int len); 1037extern void fb_invert_cmaps(void); 1038 1039struct fb_videomode { 1040 const char *name; /* optional */ 1041 u32 refresh; /* optional */ 1042 u32 xres; 1043 u32 yres; 1044 u32 pixclock; 1045 u32 left_margin; 1046 u32 right_margin; 1047 u32 upper_margin; 1048 u32 lower_margin; 1049 u32 hsync_len; 1050 u32 vsync_len; 1051 u32 sync; 1052 u32 vmode; 1053 u32 flag; 1054}; 1055 1056extern const struct fb_videomode vesa_modes[]; 1057 1058struct fb_modelist { 1059 struct list_head list; 1060 struct fb_videomode mode; 1061}; 1062 1063extern int fb_find_mode(struct fb_var_screeninfo *var, 1064 struct fb_info *info, const char *mode_option, 1065 const struct fb_videomode *db, 1066 unsigned int dbsize, 1067 const struct fb_videomode *default_mode, 1068 unsigned int default_bpp); 1069 1070#endif /* __KERNEL__ */ 1071 1072#endif /* _LINUX_FB_H */ 1073