1#ifndef _LINUX_FB_H 2#define _LINUX_FB_H 3 4#include <asm/types.h> 5 6/* Definitions of frame buffers */ 7 8#define FB_MAJOR 29 9#define FB_MAX 32 /* sufficient for now */ 10 11/* ioctls 12 0x46 is 'F' */ 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 19#ifdef __KERNEL__ 20#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user) 21#else 22#define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor) 23#endif 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 38 39 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 */ 45 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 */ 51 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) */ 55 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 */ 62 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") */ 105#define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */ 106#define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */ 107#define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */ 108#define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */ 109#define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */ 110#define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */ 111#define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */ 112#define FB_ACCEL_OMAP1610 49 /* TI OMAP16xx */ 113#define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */ 114#define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */ 115#define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */ 116#define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */ 117#define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */ 118#define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */ 119#define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */ 120#define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */ 121#define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */ 122 123#define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */ 124#define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */ 125#define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */ 126#define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */ 127#define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */ 128#define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */ 129#define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */ 130#define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */ 131#define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */ 132#define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */ 133#define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */ 134#define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */ 135#define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */ 136#define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */ 137#define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */ 138 139struct fb_fix_screeninfo { 140 char id[16]; /* identification string eg "TT Builtin" */ 141 unsigned long smem_start; /* Start of frame buffer mem */ 142 /* (physical address) */ 143 __u32 smem_len; /* Length of frame buffer mem */ 144 __u32 type; /* see FB_TYPE_* */ 145 __u32 type_aux; /* Interleave for interleaved Planes */ 146 __u32 visual; /* see FB_VISUAL_* */ 147 __u16 xpanstep; /* zero if no hardware panning */ 148 __u16 ypanstep; /* zero if no hardware panning */ 149 __u16 ywrapstep; /* zero if no hardware ywrap */ 150 __u32 line_length; /* length of a line in bytes */ 151 unsigned long mmio_start; /* Start of Memory Mapped I/O */ 152 /* (physical address) */ 153 __u32 mmio_len; /* Length of Memory Mapped I/O */ 154 __u32 accel; /* Indicate to driver which */ 155 /* specific chip/card we have */ 156 __u16 reserved[3]; /* Reserved for future compatibility */ 157}; 158 159/* Interpretation of offset for color fields: All offsets are from the right, 160 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you 161 * can use the offset as right argument to <<). A pixel afterwards is a bit 162 * stream and is written to video memory as that unmodified. This implies 163 * big-endian byte order if bits_per_pixel is greater than 8. 164 */ 165struct fb_bitfield { 166 __u32 offset; /* beginning of bitfield */ 167 __u32 length; /* length of bitfield */ 168 __u32 msb_right; /* != 0 : Most significant bit is */ 169 /* right */ 170}; 171 172#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */ 173 174#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/ 175#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */ 176#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */ 177#define FB_ACTIVATE_MASK 15 178 /* values */ 179#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */ 180#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */ 181#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */ 182#define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/ 183#define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */ 184 185#define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */ 186 187#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */ 188#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */ 189#define FB_SYNC_EXT 4 /* external sync */ 190#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */ 191#define FB_SYNC_BROADCAST 16 /* broadcast video timings */ 192 /* vtotal = 144d/288n/576i => PAL */ 193 /* vtotal = 121d/242n/484i => NTSC */ 194#define FB_SYNC_ON_GREEN 32 /* sync on green */ 195 196#define FB_VMODE_NONINTERLACED 0 /* non interlaced */ 197#define FB_VMODE_INTERLACED 1 /* interlaced */ 198#define FB_VMODE_DOUBLE 2 /* double scan */ 199#define FB_VMODE_MASK 255 200 201#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */ 202#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ 203#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ 204 205/* 206 * Display rotation support 207 */ 208#define FB_ROTATE_UR 0 209#define FB_ROTATE_CW 1 210#define FB_ROTATE_UD 2 211#define FB_ROTATE_CCW 3 212 213#define PICOS2KHZ(a) (1000000000UL/(a)) 214#define KHZ2PICOS(a) (1000000000UL/(a)) 215 216struct fb_var_screeninfo { 217 __u32 xres; /* visible resolution */ 218 __u32 yres; 219 __u32 xres_virtual; /* virtual resolution */ 220 __u32 yres_virtual; 221 __u32 xoffset; /* offset from virtual to visible */ 222 __u32 yoffset; /* resolution */ 223 224 __u32 bits_per_pixel; /* guess what */ 225 __u32 grayscale; /* != 0 Graylevels instead of colors */ 226 227 struct fb_bitfield red; /* bitfield in fb mem if true color, */ 228 struct fb_bitfield green; /* else only length is significant */ 229 struct fb_bitfield blue; 230 struct fb_bitfield transp; /* transparency */ 231 232 __u32 nonstd; /* != 0 Non standard pixel format */ 233 234 __u32 activate; /* see FB_ACTIVATE_* */ 235 236 __u32 height; /* height of picture in mm */ 237 __u32 width; /* width of picture in mm */ 238 239 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */ 240 241 /* Timing: All values in pixclocks, except pixclock (of course) */ 242 __u32 pixclock; /* pixel clock in ps (pico seconds) */ 243 __u32 left_margin; /* time from sync to picture */ 244 __u32 right_margin; /* time from picture to sync */ 245 __u32 upper_margin; /* time from sync to picture */ 246 __u32 lower_margin; 247 __u32 hsync_len; /* length of horizontal sync */ 248 __u32 vsync_len; /* length of vertical sync */ 249 __u32 sync; /* see FB_SYNC_* */ 250 __u32 vmode; /* see FB_VMODE_* */ 251 __u32 rotate; /* angle we rotate counter clockwise */ 252 __u32 reserved[5]; /* Reserved for future compatibility */ 253}; 254 255struct fb_cmap { 256 __u32 start; /* First entry */ 257 __u32 len; /* Number of entries */ 258 __u16 *red; /* Red values */ 259 __u16 *green; 260 __u16 *blue; 261 __u16 *transp; /* transparency, can be NULL */ 262}; 263 264struct fb_con2fbmap { 265 __u32 console; 266 __u32 framebuffer; 267}; 268 269/* VESA Blanking Levels */ 270#define VESA_NO_BLANKING 0 271#define VESA_VSYNC_SUSPEND 1 272#define VESA_HSYNC_SUSPEND 2 273#define VESA_POWERDOWN 3 274 275 276enum { 277 /* screen: unblanked, hsync: on, vsync: on */ 278 FB_BLANK_UNBLANK = VESA_NO_BLANKING, 279 280 /* screen: blanked, hsync: on, vsync: on */ 281 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1, 282 283 /* screen: blanked, hsync: on, vsync: off */ 284 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1, 285 286 /* screen: blanked, hsync: off, vsync: on */ 287 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1, 288 289 /* screen: blanked, hsync: off, vsync: off */ 290 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1 291}; 292 293#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */ 294#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */ 295#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */ 296#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */ 297#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */ 298#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */ 299#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */ 300#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */ 301#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */ 302 303struct fb_vblank { 304 __u32 flags; /* FB_VBLANK flags */ 305 __u32 count; /* counter of retraces since boot */ 306 __u32 vcount; /* current scanline position */ 307 __u32 hcount; /* current scandot position */ 308 __u32 reserved[4]; /* reserved for future compatibility */ 309}; 310 311/* Internal HW accel */ 312#define ROP_COPY 0 313#define ROP_XOR 1 314 315struct fb_copyarea { 316 __u32 dx; 317 __u32 dy; 318 __u32 width; 319 __u32 height; 320 __u32 sx; 321 __u32 sy; 322}; 323 324struct fb_fillrect { 325 __u32 dx; /* screen-relative */ 326 __u32 dy; 327 __u32 width; 328 __u32 height; 329 __u32 color; 330 __u32 rop; 331}; 332 333struct fb_image { 334 __u32 dx; /* Where to place image */ 335 __u32 dy; 336 __u32 width; /* Size of image */ 337 __u32 height; 338 __u32 fg_color; /* Only used when a mono bitmap */ 339 __u32 bg_color; 340 __u8 depth; /* Depth of the image */ 341 const char *data; /* Pointer to image data */ 342 struct fb_cmap cmap; /* color map info */ 343}; 344 345/* 346 * hardware cursor control 347 */ 348 349#define FB_CUR_SETIMAGE 0x01 350#define FB_CUR_SETPOS 0x02 351#define FB_CUR_SETHOT 0x04 352#define FB_CUR_SETCMAP 0x08 353#define FB_CUR_SETSHAPE 0x10 354#define FB_CUR_SETSIZE 0x20 355#define FB_CUR_SETALL 0xFF 356 357struct fbcurpos { 358 __u16 x, y; 359}; 360 361struct fb_cursor { 362 __u16 set; /* what to set */ 363 __u16 enable; /* cursor on/off */ 364 __u16 rop; /* bitop operation */ 365 const char *mask; /* cursor mask bits */ 366 struct fbcurpos hot; /* cursor hot spot */ 367 struct fb_image image; /* Cursor image */ 368}; 369 370#ifdef CONFIG_FB_BACKLIGHT 371/* Settings for the generic backlight code */ 372#define FB_BACKLIGHT_LEVELS 128 373#define FB_BACKLIGHT_MAX 0xFF 374#endif 375 376#ifdef __KERNEL__ 377 378#include <linux/fs.h> 379#include <linux/init.h> 380#include <linux/device.h> 381#include <linux/workqueue.h> 382#include <linux/notifier.h> 383#include <linux/list.h> 384#include <linux/backlight.h> 385#include <asm/io.h> 386 387struct vm_area_struct; 388struct fb_info; 389struct device; 390struct file; 391 392/* Definitions below are used in the parsed monitor specs */ 393#define FB_DPMS_ACTIVE_OFF 1 394#define FB_DPMS_SUSPEND 2 395#define FB_DPMS_STANDBY 4 396 397#define FB_DISP_DDI 1 398#define FB_DISP_ANA_700_300 2 399#define FB_DISP_ANA_714_286 4 400#define FB_DISP_ANA_1000_400 8 401#define FB_DISP_ANA_700_000 16 402 403#define FB_DISP_MONO 32 404#define FB_DISP_RGB 64 405#define FB_DISP_MULTI 128 406#define FB_DISP_UNKNOWN 256 407 408#define FB_SIGNAL_NONE 0 409#define FB_SIGNAL_BLANK_BLANK 1 410#define FB_SIGNAL_SEPARATE 2 411#define FB_SIGNAL_COMPOSITE 4 412#define FB_SIGNAL_SYNC_ON_GREEN 8 413#define FB_SIGNAL_SERRATION_ON 16 414 415#define FB_MISC_PRIM_COLOR 1 416#define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */ 417struct fb_chroma { 418 __u32 redx; /* in fraction of 1024 */ 419 __u32 greenx; 420 __u32 bluex; 421 __u32 whitex; 422 __u32 redy; 423 __u32 greeny; 424 __u32 bluey; 425 __u32 whitey; 426}; 427 428struct fb_monspecs { 429 struct fb_chroma chroma; 430 struct fb_videomode *modedb; /* mode database */ 431 __u8 manufacturer[4]; /* Manufacturer */ 432 __u8 monitor[14]; /* Monitor String */ 433 __u8 serial_no[14]; /* Serial Number */ 434 __u8 ascii[14]; /* ? */ 435 __u32 modedb_len; /* mode database length */ 436 __u32 model; /* Monitor Model */ 437 __u32 serial; /* Serial Number - Integer */ 438 __u32 year; /* Year manufactured */ 439 __u32 week; /* Week Manufactured */ 440 __u32 hfmin; /* hfreq lower limit (Hz) */ 441 __u32 hfmax; /* hfreq upper limit (Hz) */ 442 __u32 dclkmin; /* pixelclock lower limit (Hz) */ 443 __u32 dclkmax; /* pixelclock upper limit (Hz) */ 444 __u16 input; /* display type - see FB_DISP_* */ 445 __u16 dpms; /* DPMS support - see FB_DPMS_ */ 446 __u16 signal; /* Signal Type - see FB_SIGNAL_* */ 447 __u16 vfmin; /* vfreq lower limit (Hz) */ 448 __u16 vfmax; /* vfreq upper limit (Hz) */ 449 __u16 gamma; /* Gamma - in fractions of 100 */ 450 __u16 gtf : 1; /* supports GTF */ 451 __u16 misc; /* Misc flags - see FB_MISC_* */ 452 __u8 version; /* EDID version... */ 453 __u8 revision; /* ...and revision */ 454 __u8 max_x; /* Maximum horizontal size (cm) */ 455 __u8 max_y; /* Maximum vertical size (cm) */ 456}; 457 458struct fb_cmap_user { 459 __u32 start; /* First entry */ 460 __u32 len; /* Number of entries */ 461 __u16 __user *red; /* Red values */ 462 __u16 __user *green; 463 __u16 __user *blue; 464 __u16 __user *transp; /* transparency, can be NULL */ 465}; 466 467struct fb_image_user { 468 __u32 dx; /* Where to place image */ 469 __u32 dy; 470 __u32 width; /* Size of image */ 471 __u32 height; 472 __u32 fg_color; /* Only used when a mono bitmap */ 473 __u32 bg_color; 474 __u8 depth; /* Depth of the image */ 475 const char __user *data; /* Pointer to image data */ 476 struct fb_cmap_user cmap; /* color map info */ 477}; 478 479struct fb_cursor_user { 480 __u16 set; /* what to set */ 481 __u16 enable; /* cursor on/off */ 482 __u16 rop; /* bitop operation */ 483 const char __user *mask; /* cursor mask bits */ 484 struct fbcurpos hot; /* cursor hot spot */ 485 struct fb_image_user image; /* Cursor image */ 486}; 487 488/* 489 * Register/unregister for framebuffer events 490 */ 491 492/* The resolution of the passed in fb_info about to change */ 493#define FB_EVENT_MODE_CHANGE 0x01 494/* The display on this fb_info is beeing suspended, no access to the 495 * framebuffer is allowed any more after that call returns 496 */ 497#define FB_EVENT_SUSPEND 0x02 498/* The display on this fb_info was resumed, you can restore the display 499 * if you own it 500 */ 501#define FB_EVENT_RESUME 0x03 502/* An entry from the modelist was removed */ 503#define FB_EVENT_MODE_DELETE 0x04 504/* A driver registered itself */ 505#define FB_EVENT_FB_REGISTERED 0x05 506/* A driver unregistered itself */ 507#define FB_EVENT_FB_UNREGISTERED 0x06 508/* CONSOLE-SPECIFIC: get console to framebuffer mapping */ 509#define FB_EVENT_GET_CONSOLE_MAP 0x07 510/* CONSOLE-SPECIFIC: set console to framebuffer mapping */ 511#define FB_EVENT_SET_CONSOLE_MAP 0x08 512/* A display blank is requested */ 513#define FB_EVENT_BLANK 0x09 514/* Private modelist is to be replaced */ 515#define FB_EVENT_NEW_MODELIST 0x0A 516/* The resolution of the passed in fb_info about to change and 517 all vc's should be changed */ 518#define FB_EVENT_MODE_CHANGE_ALL 0x0B 519 520struct fb_event { 521 struct fb_info *info; 522 void *data; 523}; 524 525 526extern int fb_register_client(struct notifier_block *nb); 527extern int fb_unregister_client(struct notifier_block *nb); 528extern int fb_notifier_call_chain(unsigned long val, void *v); 529/* 530 * Pixmap structure definition 531 * 532 * The purpose of this structure is to translate data 533 * from the hardware independent format of fbdev to what 534 * format the hardware needs. 535 */ 536 537#define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */ 538#define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */ 539#define FB_PIXMAP_IO 4 /* memory is iomapped */ 540#define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */ 541 542struct fb_pixmap { 543 u8 *addr; /* pointer to memory */ 544 u32 size; /* size of buffer in bytes */ 545 u32 offset; /* current offset to buffer */ 546 u32 buf_align; /* byte alignment of each bitmap */ 547 u32 scan_align; /* alignment per scanline */ 548 u32 access_align; /* alignment per read/write (bits) */ 549 u32 flags; /* see FB_PIXMAP_* */ 550 /* access methods */ 551 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size); 552 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size); 553}; 554 555 556/* 557 * Frame buffer operations 558 * 559 * LOCKING NOTE: those functions must _ALL_ be called with the console 560 * semaphore held, this is the only suitable locking mechanism we have 561 * in 2.6. Some may be called at interrupt time at this point though. 562 */ 563 564struct fb_ops { 565 /* open/release and usage marking */ 566 struct module *owner; 567 int (*fb_open)(struct fb_info *info, int user); 568 int (*fb_release)(struct fb_info *info, int user); 569 570 /* For framebuffers with strange non linear layouts or that do not 571 * work with normal memory mapped access 572 */ 573 ssize_t (*fb_read)(struct file *file, char __user *buf, size_t count, loff_t *ppos); 574 ssize_t (*fb_write)(struct file *file, const char __user *buf, size_t count, loff_t *ppos); 575 576 /* checks var and eventually tweaks it to something supported, 577 * DO NOT MODIFY PAR */ 578 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info); 579 580 /* set the video mode according to info->var */ 581 int (*fb_set_par)(struct fb_info *info); 582 583 /* set color register */ 584 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green, 585 unsigned blue, unsigned transp, struct fb_info *info); 586 587 /* set color registers in batch */ 588 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info); 589 590 /* blank display */ 591 int (*fb_blank)(int blank, struct fb_info *info); 592 593 /* pan display */ 594 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info); 595 596 /* Draws a rectangle */ 597 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect); 598 /* Copy data from area to another */ 599 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region); 600 /* Draws a image to the display */ 601 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image); 602 603 /* Draws cursor */ 604 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor); 605 606 /* Rotates the display */ 607 void (*fb_rotate)(struct fb_info *info, int angle); 608 609 /* wait for blit idle, optional */ 610 int (*fb_sync)(struct fb_info *info); 611 612 /* perform fb specific ioctl (optional) */ 613 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd, 614 unsigned long arg); 615 616 /* Handle 32bit compat ioctl (optional) */ 617 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd, 618 unsigned long arg); 619 620 /* perform fb specific mmap */ 621 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma); 622 623 /* save current hardware state */ 624 void (*fb_save_state)(struct fb_info *info); 625 626 /* restore saved state */ 627 void (*fb_restore_state)(struct fb_info *info); 628}; 629 630#ifdef CONFIG_FB_TILEBLITTING 631 632#define FB_TILE_CURSOR_NONE 0 633#define FB_TILE_CURSOR_UNDERLINE 1 634#define FB_TILE_CURSOR_LOWER_THIRD 2 635#define FB_TILE_CURSOR_LOWER_HALF 3 636#define FB_TILE_CURSOR_TWO_THIRDS 4 637#define FB_TILE_CURSOR_BLOCK 5 638 639struct fb_tilemap { 640 __u32 width; /* width of each tile in pixels */ 641 __u32 height; /* height of each tile in scanlines */ 642 __u32 depth; /* color depth of each tile */ 643 __u32 length; /* number of tiles in the map */ 644 const __u8 *data; /* actual tile map: a bitmap array, packed 645 to the nearest byte */ 646}; 647 648struct fb_tilerect { 649 __u32 sx; /* origin in the x-axis */ 650 __u32 sy; /* origin in the y-axis */ 651 __u32 width; /* number of tiles in the x-axis */ 652 __u32 height; /* number of tiles in the y-axis */ 653 __u32 index; /* what tile to use: index to tile map */ 654 __u32 fg; /* foreground color */ 655 __u32 bg; /* background color */ 656 __u32 rop; /* raster operation */ 657}; 658 659struct fb_tilearea { 660 __u32 sx; /* source origin in the x-axis */ 661 __u32 sy; /* source origin in the y-axis */ 662 __u32 dx; /* destination origin in the x-axis */ 663 __u32 dy; /* destination origin in the y-axis */ 664 __u32 width; /* number of tiles in the x-axis */ 665 __u32 height; /* number of tiles in the y-axis */ 666}; 667 668struct fb_tileblit { 669 __u32 sx; /* origin in the x-axis */ 670 __u32 sy; /* origin in the y-axis */ 671 __u32 width; /* number of tiles in the x-axis */ 672 __u32 height; /* number of tiles in the y-axis */ 673 __u32 fg; /* foreground color */ 674 __u32 bg; /* background color */ 675 __u32 length; /* number of tiles to draw */ 676 __u32 *indices; /* array of indices to tile map */ 677}; 678 679struct fb_tilecursor { 680 __u32 sx; /* cursor position in the x-axis */ 681 __u32 sy; /* cursor position in the y-axis */ 682 __u32 mode; /* 0 = erase, 1 = draw */ 683 __u32 shape; /* see FB_TILE_CURSOR_* */ 684 __u32 fg; /* foreground color */ 685 __u32 bg; /* background color */ 686}; 687 688struct fb_tile_ops { 689 /* set tile characteristics */ 690 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map); 691 692 /* all dimensions from hereon are in terms of tiles */ 693 694 /* move a rectangular region of tiles from one area to another*/ 695 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area); 696 /* fill a rectangular region with a tile */ 697 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect); 698 /* copy an array of tiles */ 699 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit); 700 /* cursor */ 701 void (*fb_tilecursor)(struct fb_info *info, 702 struct fb_tilecursor *cursor); 703}; 704#endif /* CONFIG_FB_TILEBLITTING */ 705 706/* FBINFO_* = fb_info.flags bit flags */ 707#define FBINFO_MODULE 0x0001 /* Low-level driver is a module */ 708#define FBINFO_HWACCEL_DISABLED 0x0002 709 /* When FBINFO_HWACCEL_DISABLED is set: 710 * Hardware acceleration is turned off. Software implementations 711 * of required functions (copyarea(), fillrect(), and imageblit()) 712 * takes over; acceleration engine should be in a quiescent state */ 713 714/* hints */ 715#define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */ 716#define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */ 717 718/* hardware supported ops */ 719/* semantics: when a bit is set, it indicates that the operation is 720 * accelerated by hardware. 721 * required functions will still work even if the bit is not set. 722 * optional functions may not even exist if the flag bit is not set. 723 */ 724#define FBINFO_HWACCEL_NONE 0x0000 725#define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */ 726#define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */ 727#define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */ 728#define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */ 729#define FBINFO_HWACCEL_XPAN 0x1000 /* optional */ 730#define FBINFO_HWACCEL_YPAN 0x2000 /* optional */ 731#define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */ 732 733#define FBINFO_MISC_USEREVENT 0x10000 /* event request 734 from userspace */ 735#define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */ 736 737/* A driver may set this flag to indicate that it does want a set_par to be 738 * called every time when fbcon_switch is executed. The advantage is that with 739 * this flag set you can really be sure that set_par is always called before 740 * any of the functions dependant on the correct hardware state or altering 741 * that state, even if you are using some broken X releases. The disadvantage 742 * is that it introduces unwanted delays to every console switch if set_par 743 * is slow. It is a good idea to try this flag in the drivers initialization 744 * code whenever there is a bug report related to switching between X and the 745 * framebuffer console. 746 */ 747#define FBINFO_MISC_ALWAYS_SETPAR 0x40000 748 749struct fb_info { 750 int node; 751 int flags; 752 struct fb_var_screeninfo var; /* Current var */ 753 struct fb_fix_screeninfo fix; /* Current fix */ 754 struct fb_monspecs monspecs; /* Current Monitor specs */ 755 struct work_struct queue; /* Framebuffer event queue */ 756 struct fb_pixmap pixmap; /* Image hardware mapper */ 757 struct fb_pixmap sprite; /* Cursor hardware mapper */ 758 struct fb_cmap cmap; /* Current cmap */ 759 struct list_head modelist; /* mode list */ 760 struct fb_videomode *mode; /* current mode */ 761 762#ifdef CONFIG_FB_BACKLIGHT 763 /* Lock ordering: 764 * bl_mutex (protects bl_dev and bl_curve) 765 * bl_dev->sem (backlight class) 766 */ 767 struct mutex bl_mutex; 768 769 /* assigned backlight device */ 770 struct backlight_device *bl_dev; 771 772 /* Backlight level curve */ 773 u8 bl_curve[FB_BACKLIGHT_LEVELS]; 774#endif 775 776 struct fb_ops *fbops; 777 struct device *device; 778 struct class_device *class_device; /* sysfs per device attrs */ 779#ifdef CONFIG_FB_TILEBLITTING 780 struct fb_tile_ops *tileops; /* Tile Blitting */ 781#endif 782 char __iomem *screen_base; /* Virtual address */ 783 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */ 784 void *pseudo_palette; /* Fake palette of 16 colors */ 785#define FBINFO_STATE_RUNNING 0 786#define FBINFO_STATE_SUSPENDED 1 787 u32 state; /* Hardware state i.e suspend */ 788 void *fbcon_par; /* fbcon use-only private area */ 789 /* From here on everything is device dependent */ 790 void *par; 791}; 792 793#ifdef MODULE 794#define FBINFO_DEFAULT FBINFO_MODULE 795#else 796#define FBINFO_DEFAULT 0 797#endif 798 799// This will go away 800#define FBINFO_FLAG_MODULE FBINFO_MODULE 801#define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT 802 803/* This will go away 804 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags 805 * when it wants to turn the acceleration engine on. This is 806 * really a separate operation, and should be modified via sysfs. 807 * But for now, we leave it broken with the following define 808 */ 809#define STUPID_ACCELF_TEXT_SHIT 810 811// This will go away 812#if defined(__sparc__) 813 814/* We map all of our framebuffers such that big-endian accesses 815 * are what we want, so the following is sufficient. 816 */ 817 818// This will go away 819#define fb_readb sbus_readb 820#define fb_readw sbus_readw 821#define fb_readl sbus_readl 822#define fb_readq sbus_readq 823#define fb_writeb sbus_writeb 824#define fb_writew sbus_writew 825#define fb_writel sbus_writel 826#define fb_writeq sbus_writeq 827#define fb_memset sbus_memset_io 828 829#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__) 830 831#define fb_readb __raw_readb 832#define fb_readw __raw_readw 833#define fb_readl __raw_readl 834#define fb_readq __raw_readq 835#define fb_writeb __raw_writeb 836#define fb_writew __raw_writew 837#define fb_writel __raw_writel 838#define fb_writeq __raw_writeq 839#define fb_memset memset_io 840 841#else 842 843#define fb_readb(addr) (*(volatile u8 *) (addr)) 844#define fb_readw(addr) (*(volatile u16 *) (addr)) 845#define fb_readl(addr) (*(volatile u32 *) (addr)) 846#define fb_readq(addr) (*(volatile u64 *) (addr)) 847#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b)) 848#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b)) 849#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b)) 850#define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b)) 851#define fb_memset memset 852 853#endif 854 855#if defined (__BIG_ENDIAN) 856#define FB_LEFT_POS(bpp) (32 - bpp) 857#define FB_SHIFT_HIGH(val, bits) ((val) >> (bits)) 858#define FB_SHIFT_LOW(val, bits) ((val) << (bits)) 859#else 860#define FB_LEFT_POS(bpp) (0) 861#define FB_SHIFT_HIGH(val, bits) ((val) << (bits)) 862#define FB_SHIFT_LOW(val, bits) ((val) >> (bits)) 863#endif 864 865 /* 866 * `Generic' versions of the frame buffer device operations 867 */ 868 869extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var); 870extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var); 871extern int fb_blank(struct fb_info *info, int blank); 872extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 873extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); 874extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image); 875 876/* drivers/video/fbmem.c */ 877extern int register_framebuffer(struct fb_info *fb_info); 878extern int unregister_framebuffer(struct fb_info *fb_info); 879extern int fb_prepare_logo(struct fb_info *fb_info, int rotate); 880extern int fb_show_logo(struct fb_info *fb_info, int rotate); 881extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size); 882extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx, 883 u32 height, u32 shift_high, u32 shift_low, u32 mod); 884extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height); 885extern void fb_set_suspend(struct fb_info *info, int state); 886extern int fb_get_color_depth(struct fb_var_screeninfo *var, 887 struct fb_fix_screeninfo *fix); 888extern int fb_get_options(char *name, char **option); 889extern int fb_new_modelist(struct fb_info *info); 890 891extern struct fb_info *registered_fb[FB_MAX]; 892extern int num_registered_fb; 893 894static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, 895 u8 *src, u32 s_pitch, u32 height) 896{ 897 int i, j; 898 899 d_pitch -= s_pitch; 900 901 for (i = height; i--; ) { 902 /* s_pitch is a few bytes at the most, memcpy is suboptimal */ 903 for (j = 0; j < s_pitch; j++) 904 *dst++ = *src++; 905 dst += d_pitch; 906 } 907} 908 909/* drivers/video/fbsysfs.c */ 910extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev); 911extern void framebuffer_release(struct fb_info *info); 912extern int fb_init_class_device(struct fb_info *fb_info); 913extern void fb_cleanup_class_device(struct fb_info *head); 914extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max); 915 916/* drivers/video/fbmon.c */ 917#define FB_MAXTIMINGS 0 918#define FB_VSYNCTIMINGS 1 919#define FB_HSYNCTIMINGS 2 920#define FB_DCLKTIMINGS 3 921#define FB_IGNOREMON 0x100 922 923#define FB_MODE_IS_UNKNOWN 0 924#define FB_MODE_IS_DETAILED 1 925#define FB_MODE_IS_STANDARD 2 926#define FB_MODE_IS_VESA 4 927#define FB_MODE_IS_CALCULATED 8 928#define FB_MODE_IS_FIRST 16 929#define FB_MODE_IS_FROM_VAR 32 930 931extern int fbmon_valid_timings(u_int pixclock, u_int htotal, u_int vtotal, 932 const struct fb_info *fb_info); 933extern int fbmon_dpms(const struct fb_info *fb_info); 934extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, 935 struct fb_info *info); 936extern int fb_validate_mode(const struct fb_var_screeninfo *var, 937 struct fb_info *info); 938extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var); 939extern const unsigned char *fb_firmware_edid(struct device *device); 940extern void fb_edid_to_monspecs(unsigned char *edid, 941 struct fb_monspecs *specs); 942extern void fb_destroy_modedb(struct fb_videomode *modedb); 943extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb); 944 945/* drivers/video/modedb.c */ 946#define VESA_MODEDB_SIZE 34 947extern void fb_var_to_videomode(struct fb_videomode *mode, 948 struct fb_var_screeninfo *var); 949extern void fb_videomode_to_var(struct fb_var_screeninfo *var, 950 struct fb_videomode *mode); 951extern int fb_mode_is_equal(struct fb_videomode *mode1, 952 struct fb_videomode *mode2); 953extern int fb_add_videomode(struct fb_videomode *mode, struct list_head *head); 954extern void fb_delete_videomode(struct fb_videomode *mode, 955 struct list_head *head); 956extern struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var, 957 struct list_head *head); 958extern struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var, 959 struct list_head *head); 960extern struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode, 961 struct list_head *head); 962extern void fb_destroy_modelist(struct list_head *head); 963extern void fb_videomode_to_modelist(struct fb_videomode *modedb, int num, 964 struct list_head *head); 965extern struct fb_videomode *fb_find_best_display(struct fb_monspecs *specs, 966 struct list_head *head); 967 968/* drivers/video/fbcmap.c */ 969extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); 970extern void fb_dealloc_cmap(struct fb_cmap *cmap); 971extern int fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to); 972extern int fb_cmap_to_user(struct fb_cmap *from, struct fb_cmap_user *to); 973extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info); 974extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info); 975extern struct fb_cmap *fb_default_cmap(int len); 976extern void fb_invert_cmaps(void); 977 978struct fb_videomode { 979 const char *name; /* optional */ 980 u32 refresh; /* optional */ 981 u32 xres; 982 u32 yres; 983 u32 pixclock; 984 u32 left_margin; 985 u32 right_margin; 986 u32 upper_margin; 987 u32 lower_margin; 988 u32 hsync_len; 989 u32 vsync_len; 990 u32 sync; 991 u32 vmode; 992 u32 flag; 993}; 994 995extern const struct fb_videomode vesa_modes[]; 996 997struct fb_modelist { 998 struct list_head list; 999 struct fb_videomode mode; 1000}; 1001 1002extern int fb_find_mode(struct fb_var_screeninfo *var, 1003 struct fb_info *info, const char *mode_option, 1004 const struct fb_videomode *db, 1005 unsigned int dbsize, 1006 const struct fb_videomode *default_mode, 1007 unsigned int default_bpp); 1008 1009#endif /* __KERNEL__ */ 1010 1011#endif /* _LINUX_FB_H */ 1012