1#ifndef _LINUX_FB_H 2#define _LINUX_FB_H 3 4#include <linux/types.h> 5#include <linux/i2c.h> 6#ifdef __KERNEL__ 7#include <linux/kgdb.h> 8#endif /* __KERNEL__ */ 9 10/* Definitions of frame buffers */ 11 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#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32) 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_OMAP1610 49 /* TI OMAP16xx */ 123#define FB_ACCEL_TRIDENT_TGUI 50 /* Trident TGUI */ 124#define FB_ACCEL_TRIDENT_3DIMAGE 51 /* Trident 3DImage */ 125#define FB_ACCEL_TRIDENT_BLADE3D 52 /* Trident Blade3D */ 126#define FB_ACCEL_TRIDENT_BLADEXP 53 /* Trident BladeXP */ 127#define FB_ACCEL_CIRRUS_ALPINE 53 /* Cirrus Logic 543x/544x/5480 */ 128#define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */ 129#define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */ 130#define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */ 131#define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */ 132#define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */ 133#define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */ 134#define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */ 135#define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */ 136#define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */ 137#define FB_ACCEL_PXA3XX 99 /* PXA3xx */ 138 139#define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */ 140#define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */ 141#define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */ 142#define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */ 143#define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */ 144#define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */ 145#define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */ 146#define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */ 147#define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */ 148#define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */ 149#define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */ 150#define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */ 151#define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */ 152#define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */ 153#define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */ 154 155struct fb_fix_screeninfo { 156 char id[16]; /* identification string eg "TT Builtin" */ 157 unsigned long smem_start; /* Start of frame buffer mem */ 158 /* (physical address) */ 159 __u32 smem_len; /* Length of frame buffer mem */ 160 __u32 type; /* see FB_TYPE_* */ 161 __u32 type_aux; /* Interleave for interleaved Planes */ 162 __u32 visual; /* see FB_VISUAL_* */ 163 __u16 xpanstep; /* zero if no hardware panning */ 164 __u16 ypanstep; /* zero if no hardware panning */ 165 __u16 ywrapstep; /* zero if no hardware ywrap */ 166 __u32 line_length; /* length of a line in bytes */ 167 unsigned long mmio_start; /* Start of Memory Mapped I/O */ 168 /* (physical address) */ 169 __u32 mmio_len; /* Length of Memory Mapped I/O */ 170 __u32 accel; /* Indicate to driver which */ 171 /* specific chip/card we have */ 172 __u16 reserved[3]; /* Reserved for future compatibility */ 173}; 174 175/* Interpretation of offset for color fields: All offsets are from the right, 176 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you 177 * can use the offset as right argument to <<). A pixel afterwards is a bit 178 * stream and is written to video memory as that unmodified. 179 * 180 * For pseudocolor: offset and length should be the same for all color 181 * components. Offset specifies the position of the least significant bit 182 * of the pallette index in a pixel value. Length indicates the number 183 * of available palette entries (i.e. # of entries = 1 << length). 184 */ 185struct fb_bitfield { 186 __u32 offset; /* beginning of bitfield */ 187 __u32 length; /* length of bitfield */ 188 __u32 msb_right; /* != 0 : Most significant bit is */ 189 /* right */ 190}; 191 192#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */ 193#define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */ 194 195#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/ 196#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */ 197#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */ 198#define FB_ACTIVATE_MASK 15 199 /* values */ 200#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */ 201#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */ 202#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */ 203#define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/ 204#define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */ 205 206#define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */ 207 208#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */ 209#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */ 210#define FB_SYNC_EXT 4 /* external sync */ 211#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */ 212#define FB_SYNC_BROADCAST 16 /* broadcast video timings */ 213 /* vtotal = 144d/288n/576i => PAL */ 214 /* vtotal = 121d/242n/484i => NTSC */ 215#define FB_SYNC_ON_GREEN 32 /* sync on green */ 216 217#define FB_VMODE_NONINTERLACED 0 /* non interlaced */ 218#define FB_VMODE_INTERLACED 1 /* interlaced */ 219#define FB_VMODE_DOUBLE 2 /* double scan */ 220#define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */ 221#define FB_VMODE_MASK 255 222 223#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */ 224#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ 225#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ 226 227/* 228 * Display rotation support 229 */ 230#define FB_ROTATE_UR 0 231#define FB_ROTATE_CW 1 232#define FB_ROTATE_UD 2 233#define FB_ROTATE_CCW 3 234 235#define PICOS2KHZ(a) (1000000000UL/(a)) 236#define KHZ2PICOS(a) (1000000000UL/(a)) 237 238struct fb_var_screeninfo { 239 __u32 xres; /* visible resolution */ 240 __u32 yres; 241 __u32 xres_virtual; /* virtual resolution */ 242 __u32 yres_virtual; 243 __u32 xoffset; /* offset from virtual to visible */ 244 __u32 yoffset; /* resolution */ 245 246 __u32 bits_per_pixel; /* guess what */ 247 __u32 grayscale; /* != 0 Graylevels instead of colors */ 248 249 struct fb_bitfield red; /* bitfield in fb mem if true color, */ 250 struct fb_bitfield green; /* else only length is significant */ 251 struct fb_bitfield blue; 252 struct fb_bitfield transp; /* transparency */ 253 254 __u32 nonstd; /* != 0 Non standard pixel format */ 255 256 __u32 activate; /* see FB_ACTIVATE_* */ 257 258 __u32 height; /* height of picture in mm */ 259 __u32 width; /* width of picture in mm */ 260 261 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */ 262 263 /* Timing: All values in pixclocks, except pixclock (of course) */ 264 __u32 pixclock; /* pixel clock in ps (pico seconds) */ 265 __u32 left_margin; /* time from sync to picture */ 266 __u32 right_margin; /* time from picture to sync */ 267 __u32 upper_margin; /* time from sync to picture */ 268 __u32 lower_margin; 269 __u32 hsync_len; /* length of horizontal sync */ 270 __u32 vsync_len; /* length of vertical sync */ 271 __u32 sync; /* see FB_SYNC_* */ 272 __u32 vmode; /* see FB_VMODE_* */ 273 __u32 rotate; /* angle we rotate counter clockwise */ 274 __u32 reserved[5]; /* Reserved for future compatibility */ 275}; 276 277struct fb_cmap { 278 __u32 start; /* First entry */ 279 __u32 len; /* Number of entries */ 280 __u16 *red; /* Red values */ 281 __u16 *green; 282 __u16 *blue; 283 __u16 *transp; /* transparency, can be NULL */ 284}; 285 286struct fb_con2fbmap { 287 __u32 console; 288 __u32 framebuffer; 289}; 290 291/* VESA Blanking Levels */ 292#define VESA_NO_BLANKING 0 293#define VESA_VSYNC_SUSPEND 1 294#define VESA_HSYNC_SUSPEND 2 295#define VESA_POWERDOWN 3 296 297 298enum { 299 /* screen: unblanked, hsync: on, vsync: on */ 300 FB_BLANK_UNBLANK = VESA_NO_BLANKING, 301 302 /* screen: blanked, hsync: on, vsync: on */ 303 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1, 304 305 /* screen: blanked, hsync: on, vsync: off */ 306 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1, 307 308 /* screen: blanked, hsync: off, vsync: on */ 309 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1, 310 311 /* screen: blanked, hsync: off, vsync: off */ 312 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1 313}; 314 315#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */ 316#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */ 317#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */ 318#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */ 319#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */ 320#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */ 321#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */ 322#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */ 323#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */ 324 325struct fb_vblank { 326 __u32 flags; /* FB_VBLANK flags */ 327 __u32 count; /* counter of retraces since boot */ 328 __u32 vcount; /* current scanline position */ 329 __u32 hcount; /* current scandot position */ 330 __u32 reserved[4]; /* reserved for future compatibility */ 331}; 332 333/* Internal HW accel */ 334#define ROP_COPY 0 335#define ROP_XOR 1 336 337struct fb_copyarea { 338 __u32 dx; 339 __u32 dy; 340 __u32 width; 341 __u32 height; 342 __u32 sx; 343 __u32 sy; 344}; 345 346struct fb_fillrect { 347 __u32 dx; /* screen-relative */ 348 __u32 dy; 349 __u32 width; 350 __u32 height; 351 __u32 color; 352 __u32 rop; 353}; 354 355struct fb_image { 356 __u32 dx; /* Where to place image */ 357 __u32 dy; 358 __u32 width; /* Size of image */ 359 __u32 height; 360 __u32 fg_color; /* Only used when a mono bitmap */ 361 __u32 bg_color; 362 __u8 depth; /* Depth of the image */ 363 const char *data; /* Pointer to image data */ 364 struct fb_cmap cmap; /* color map info */ 365}; 366 367/* 368 * hardware cursor control 369 */ 370 371#define FB_CUR_SETIMAGE 0x01 372#define FB_CUR_SETPOS 0x02 373#define FB_CUR_SETHOT 0x04 374#define FB_CUR_SETCMAP 0x08 375#define FB_CUR_SETSHAPE 0x10 376#define FB_CUR_SETSIZE 0x20 377#define FB_CUR_SETALL 0xFF 378 379struct fbcurpos { 380 __u16 x, y; 381}; 382 383struct fb_cursor { 384 __u16 set; /* what to set */ 385 __u16 enable; /* cursor on/off */ 386 __u16 rop; /* bitop operation */ 387 const char *mask; /* cursor mask bits */ 388 struct fbcurpos hot; /* cursor hot spot */ 389 struct fb_image image; /* Cursor image */ 390}; 391 392#ifdef CONFIG_FB_BACKLIGHT 393/* Settings for the generic backlight code */ 394#define FB_BACKLIGHT_LEVELS 128 395#define FB_BACKLIGHT_MAX 0xFF 396#endif 397 398#ifdef __KERNEL__ 399 400#include <linux/fs.h> 401#include <linux/init.h> 402#include <linux/device.h> 403#include <linux/workqueue.h> 404#include <linux/notifier.h> 405#include <linux/list.h> 406#include <linux/backlight.h> 407#include <linux/slab.h> 408#include <asm/io.h> 409 410struct vm_area_struct; 411struct fb_info; 412struct device; 413struct file; 414 415/* Definitions below are used in the parsed monitor specs */ 416#define FB_DPMS_ACTIVE_OFF 1 417#define FB_DPMS_SUSPEND 2 418#define FB_DPMS_STANDBY 4 419 420#define FB_DISP_DDI 1 421#define FB_DISP_ANA_700_300 2 422#define FB_DISP_ANA_714_286 4 423#define FB_DISP_ANA_1000_400 8 424#define FB_DISP_ANA_700_000 16 425 426#define FB_DISP_MONO 32 427#define FB_DISP_RGB 64 428#define FB_DISP_MULTI 128 429#define FB_DISP_UNKNOWN 256 430 431#define FB_SIGNAL_NONE 0 432#define FB_SIGNAL_BLANK_BLANK 1 433#define FB_SIGNAL_SEPARATE 2 434#define FB_SIGNAL_COMPOSITE 4 435#define FB_SIGNAL_SYNC_ON_GREEN 8 436#define FB_SIGNAL_SERRATION_ON 16 437 438#define FB_MISC_PRIM_COLOR 1 439#define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */ 440struct fb_chroma { 441 __u32 redx; /* in fraction of 1024 */ 442 __u32 greenx; 443 __u32 bluex; 444 __u32 whitex; 445 __u32 redy; 446 __u32 greeny; 447 __u32 bluey; 448 __u32 whitey; 449}; 450 451struct fb_monspecs { 452 struct fb_chroma chroma; 453 struct fb_videomode *modedb; /* mode database */ 454 __u8 manufacturer[4]; /* Manufacturer */ 455 __u8 monitor[14]; /* Monitor String */ 456 __u8 serial_no[14]; /* Serial Number */ 457 __u8 ascii[14]; /* ? */ 458 __u32 modedb_len; /* mode database length */ 459 __u32 model; /* Monitor Model */ 460 __u32 serial; /* Serial Number - Integer */ 461 __u32 year; /* Year manufactured */ 462 __u32 week; /* Week Manufactured */ 463 __u32 hfmin; /* hfreq lower limit (Hz) */ 464 __u32 hfmax; /* hfreq upper limit (Hz) */ 465 __u32 dclkmin; /* pixelclock lower limit (Hz) */ 466 __u32 dclkmax; /* pixelclock upper limit (Hz) */ 467 __u16 input; /* display type - see FB_DISP_* */ 468 __u16 dpms; /* DPMS support - see FB_DPMS_ */ 469 __u16 signal; /* Signal Type - see FB_SIGNAL_* */ 470 __u16 vfmin; /* vfreq lower limit (Hz) */ 471 __u16 vfmax; /* vfreq upper limit (Hz) */ 472 __u16 gamma; /* Gamma - in fractions of 100 */ 473 __u16 gtf : 1; /* supports GTF */ 474 __u16 misc; /* Misc flags - see FB_MISC_* */ 475 __u8 version; /* EDID version... */ 476 __u8 revision; /* ...and revision */ 477 __u8 max_x; /* Maximum horizontal size (cm) */ 478 __u8 max_y; /* Maximum vertical size (cm) */ 479}; 480 481struct fb_cmap_user { 482 __u32 start; /* First entry */ 483 __u32 len; /* Number of entries */ 484 __u16 __user *red; /* Red values */ 485 __u16 __user *green; 486 __u16 __user *blue; 487 __u16 __user *transp; /* transparency, can be NULL */ 488}; 489 490struct fb_image_user { 491 __u32 dx; /* Where to place image */ 492 __u32 dy; 493 __u32 width; /* Size of image */ 494 __u32 height; 495 __u32 fg_color; /* Only used when a mono bitmap */ 496 __u32 bg_color; 497 __u8 depth; /* Depth of the image */ 498 const char __user *data; /* Pointer to image data */ 499 struct fb_cmap_user cmap; /* color map info */ 500}; 501 502struct fb_cursor_user { 503 __u16 set; /* what to set */ 504 __u16 enable; /* cursor on/off */ 505 __u16 rop; /* bitop operation */ 506 const char __user *mask; /* cursor mask bits */ 507 struct fbcurpos hot; /* cursor hot spot */ 508 struct fb_image_user image; /* Cursor image */ 509}; 510 511/* 512 * Register/unregister for framebuffer events 513 */ 514 515/* The resolution of the passed in fb_info about to change */ 516#define FB_EVENT_MODE_CHANGE 0x01 517/* The display on this fb_info is beeing suspended, no access to the 518 * framebuffer is allowed any more after that call returns 519 */ 520#define FB_EVENT_SUSPEND 0x02 521/* The display on this fb_info was resumed, you can restore the display 522 * if you own it 523 */ 524#define FB_EVENT_RESUME 0x03 525/* An entry from the modelist was removed */ 526#define FB_EVENT_MODE_DELETE 0x04 527/* A driver registered itself */ 528#define FB_EVENT_FB_REGISTERED 0x05 529/* A driver unregistered itself */ 530#define FB_EVENT_FB_UNREGISTERED 0x06 531/* CONSOLE-SPECIFIC: get console to framebuffer mapping */ 532#define FB_EVENT_GET_CONSOLE_MAP 0x07 533/* CONSOLE-SPECIFIC: set console to framebuffer mapping */ 534#define FB_EVENT_SET_CONSOLE_MAP 0x08 535/* A hardware display blank change occured */ 536#define FB_EVENT_BLANK 0x09 537/* Private modelist is to be replaced */ 538#define FB_EVENT_NEW_MODELIST 0x0A 539/* The resolution of the passed in fb_info about to change and 540 all vc's should be changed */ 541#define FB_EVENT_MODE_CHANGE_ALL 0x0B 542/* A software display blank change occured */ 543#define FB_EVENT_CONBLANK 0x0C 544/* Get drawing requirements */ 545#define FB_EVENT_GET_REQ 0x0D 546/* Unbind from the console if possible */ 547#define FB_EVENT_FB_UNBIND 0x0E 548/* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga switcheroo */ 549#define FB_EVENT_REMAP_ALL_CONSOLE 0x0F 550 551struct fb_event { 552 struct fb_info *info; 553 void *data; 554}; 555 556struct fb_blit_caps { 557 u32 x; 558 u32 y; 559 u32 len; 560 u32 flags; 561}; 562 563extern int fb_register_client(struct notifier_block *nb); 564extern int fb_unregister_client(struct notifier_block *nb); 565extern int fb_notifier_call_chain(unsigned long val, void *v); 566/* 567 * Pixmap structure definition 568 * 569 * The purpose of this structure is to translate data 570 * from the hardware independent format of fbdev to what 571 * format the hardware needs. 572 */ 573 574#define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */ 575#define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */ 576#define FB_PIXMAP_IO 4 /* memory is iomapped */ 577#define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */ 578 579struct fb_pixmap { 580 u8 *addr; /* pointer to memory */ 581 u32 size; /* size of buffer in bytes */ 582 u32 offset; /* current offset to buffer */ 583 u32 buf_align; /* byte alignment of each bitmap */ 584 u32 scan_align; /* alignment per scanline */ 585 u32 access_align; /* alignment per read/write (bits) */ 586 u32 flags; /* see FB_PIXMAP_* */ 587 u32 blit_x; /* supported bit block dimensions (1-32)*/ 588 u32 blit_y; /* Format: blit_x = 1 << (width - 1) */ 589 /* blit_y = 1 << (height - 1) */ 590 /* if 0, will be set to 0xffffffff (all)*/ 591 /* access methods */ 592 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size); 593 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size); 594}; 595 596#ifdef CONFIG_FB_DEFERRED_IO 597struct fb_deferred_io { 598 /* delay between mkwrite and deferred handler */ 599 unsigned long delay; 600 struct mutex lock; /* mutex that protects the page list */ 601 struct list_head pagelist; /* list of touched pages */ 602 /* callback */ 603 void (*deferred_io)(struct fb_info *info, struct list_head *pagelist); 604}; 605#endif 606 607/* 608 * Frame buffer operations 609 * 610 * LOCKING NOTE: those functions must _ALL_ be called with the console 611 * semaphore held, this is the only suitable locking mechanism we have 612 * in 2.6. Some may be called at interrupt time at this point though. 613 * 614 * The exception to this is the debug related hooks. Putting the fb 615 * into a debug state (e.g. flipping to the kernel console) and restoring 616 * it must be done in a lock-free manner, so low level drivers should 617 * keep track of the initial console (if applicable) and may need to 618 * perform direct, unlocked hardware writes in these hooks. 619 */ 620 621struct fb_ops { 622 /* open/release and usage marking */ 623 struct module *owner; 624 int (*fb_open)(struct fb_info *info, int user); 625 int (*fb_release)(struct fb_info *info, int user); 626 627 /* For framebuffers with strange non linear layouts or that do not 628 * work with normal memory mapped access 629 */ 630 ssize_t (*fb_read)(struct fb_info *info, char __user *buf, 631 size_t count, loff_t *ppos); 632 ssize_t (*fb_write)(struct fb_info *info, const char __user *buf, 633 size_t count, loff_t *ppos); 634 635 /* checks var and eventually tweaks it to something supported, 636 * DO NOT MODIFY PAR */ 637 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info); 638 639 /* set the video mode according to info->var */ 640 int (*fb_set_par)(struct fb_info *info); 641 642 /* set color register */ 643 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green, 644 unsigned blue, unsigned transp, struct fb_info *info); 645 646 /* set color registers in batch */ 647 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info); 648 649 /* blank display */ 650 int (*fb_blank)(int blank, struct fb_info *info); 651 652 /* pan display */ 653 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info); 654 655 /* Draws a rectangle */ 656 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect); 657 /* Copy data from area to another */ 658 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region); 659 /* Draws a image to the display */ 660 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image); 661 662 /* Draws cursor */ 663 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor); 664 665 /* Rotates the display */ 666 void (*fb_rotate)(struct fb_info *info, int angle); 667 668 /* wait for blit idle, optional */ 669 int (*fb_sync)(struct fb_info *info); 670 671 /* perform fb specific ioctl (optional) */ 672 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd, 673 unsigned long arg); 674 675 /* Handle 32bit compat ioctl (optional) */ 676 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd, 677 unsigned long arg); 678 679 /* perform fb specific mmap */ 680 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma); 681 682 /* get capability given var */ 683 void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps, 684 struct fb_var_screeninfo *var); 685 686 /* teardown any resources to do with this framebuffer */ 687 void (*fb_destroy)(struct fb_info *info); 688 689 /* called at KDB enter and leave time to prepare the console */ 690 int (*fb_debug_enter)(struct fb_info *info); 691 int (*fb_debug_leave)(struct fb_info *info); 692}; 693 694#ifdef CONFIG_FB_TILEBLITTING 695#define FB_TILE_CURSOR_NONE 0 696#define FB_TILE_CURSOR_UNDERLINE 1 697#define FB_TILE_CURSOR_LOWER_THIRD 2 698#define FB_TILE_CURSOR_LOWER_HALF 3 699#define FB_TILE_CURSOR_TWO_THIRDS 4 700#define FB_TILE_CURSOR_BLOCK 5 701 702struct fb_tilemap { 703 __u32 width; /* width of each tile in pixels */ 704 __u32 height; /* height of each tile in scanlines */ 705 __u32 depth; /* color depth of each tile */ 706 __u32 length; /* number of tiles in the map */ 707 const __u8 *data; /* actual tile map: a bitmap array, packed 708 to the nearest byte */ 709}; 710 711struct fb_tilerect { 712 __u32 sx; /* origin in the x-axis */ 713 __u32 sy; /* origin in the y-axis */ 714 __u32 width; /* number of tiles in the x-axis */ 715 __u32 height; /* number of tiles in the y-axis */ 716 __u32 index; /* what tile to use: index to tile map */ 717 __u32 fg; /* foreground color */ 718 __u32 bg; /* background color */ 719 __u32 rop; /* raster operation */ 720}; 721 722struct fb_tilearea { 723 __u32 sx; /* source origin in the x-axis */ 724 __u32 sy; /* source origin in the y-axis */ 725 __u32 dx; /* destination origin in the x-axis */ 726 __u32 dy; /* destination origin in the y-axis */ 727 __u32 width; /* number of tiles in the x-axis */ 728 __u32 height; /* number of tiles in the y-axis */ 729}; 730 731struct fb_tileblit { 732 __u32 sx; /* origin in the x-axis */ 733 __u32 sy; /* origin in the y-axis */ 734 __u32 width; /* number of tiles in the x-axis */ 735 __u32 height; /* number of tiles in the y-axis */ 736 __u32 fg; /* foreground color */ 737 __u32 bg; /* background color */ 738 __u32 length; /* number of tiles to draw */ 739 __u32 *indices; /* array of indices to tile map */ 740}; 741 742struct fb_tilecursor { 743 __u32 sx; /* cursor position in the x-axis */ 744 __u32 sy; /* cursor position in the y-axis */ 745 __u32 mode; /* 0 = erase, 1 = draw */ 746 __u32 shape; /* see FB_TILE_CURSOR_* */ 747 __u32 fg; /* foreground color */ 748 __u32 bg; /* background color */ 749}; 750 751struct fb_tile_ops { 752 /* set tile characteristics */ 753 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map); 754 755 /* all dimensions from hereon are in terms of tiles */ 756 757 /* move a rectangular region of tiles from one area to another*/ 758 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area); 759 /* fill a rectangular region with a tile */ 760 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect); 761 /* copy an array of tiles */ 762 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit); 763 /* cursor */ 764 void (*fb_tilecursor)(struct fb_info *info, 765 struct fb_tilecursor *cursor); 766 /* get maximum length of the tile map */ 767 int (*fb_get_tilemax)(struct fb_info *info); 768}; 769#endif /* CONFIG_FB_TILEBLITTING */ 770 771/* FBINFO_* = fb_info.flags bit flags */ 772#define FBINFO_MODULE 0x0001 /* Low-level driver is a module */ 773#define FBINFO_HWACCEL_DISABLED 0x0002 774 /* When FBINFO_HWACCEL_DISABLED is set: 775 * Hardware acceleration is turned off. Software implementations 776 * of required functions (copyarea(), fillrect(), and imageblit()) 777 * takes over; acceleration engine should be in a quiescent state */ 778 779/* hints */ 780#define FBINFO_VIRTFB 0x0004 /* FB is System RAM, not device. */ 781#define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */ 782#define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */ 783 784/* hardware supported ops */ 785/* semantics: when a bit is set, it indicates that the operation is 786 * accelerated by hardware. 787 * required functions will still work even if the bit is not set. 788 * optional functions may not even exist if the flag bit is not set. 789 */ 790#define FBINFO_HWACCEL_NONE 0x0000 791#define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */ 792#define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */ 793#define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */ 794#define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */ 795#define FBINFO_HWACCEL_XPAN 0x1000 /* optional */ 796#define FBINFO_HWACCEL_YPAN 0x2000 /* optional */ 797#define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */ 798 799#define FBINFO_MISC_USEREVENT 0x10000 /* event request 800 from userspace */ 801#define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */ 802 803/* A driver may set this flag to indicate that it does want a set_par to be 804 * called every time when fbcon_switch is executed. The advantage is that with 805 * this flag set you can really be sure that set_par is always called before 806 * any of the functions dependant on the correct hardware state or altering 807 * that state, even if you are using some broken X releases. The disadvantage 808 * is that it introduces unwanted delays to every console switch if set_par 809 * is slow. It is a good idea to try this flag in the drivers initialization 810 * code whenever there is a bug report related to switching between X and the 811 * framebuffer console. 812 */ 813#define FBINFO_MISC_ALWAYS_SETPAR 0x40000 814 815/* where the fb is a firmware driver, and can be replaced with a proper one */ 816#define FBINFO_MISC_FIRMWARE 0x80000 817/* 818 * Host and GPU endianness differ. 819 */ 820#define FBINFO_FOREIGN_ENDIAN 0x100000 821/* 822 * Big endian math. This is the same flags as above, but with different 823 * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag 824 * and host endianness. Drivers should not use this flag. 825 */ 826#define FBINFO_BE_MATH 0x100000 827 828/* report to the VT layer that this fb driver can accept forced console 829 output like oopses */ 830#define FBINFO_CAN_FORCE_OUTPUT 0x200000 831 832struct fb_info { 833 int node; 834 int flags; 835 struct mutex lock; /* Lock for open/release/ioctl funcs */ 836 struct mutex mm_lock; /* Lock for fb_mmap and smem_* fields */ 837 struct fb_var_screeninfo var; /* Current var */ 838 struct fb_fix_screeninfo fix; /* Current fix */ 839 struct fb_monspecs monspecs; /* Current Monitor specs */ 840 struct work_struct queue; /* Framebuffer event queue */ 841 struct fb_pixmap pixmap; /* Image hardware mapper */ 842 struct fb_pixmap sprite; /* Cursor hardware mapper */ 843 struct fb_cmap cmap; /* Current cmap */ 844 struct list_head modelist; /* mode list */ 845 struct fb_videomode *mode; /* current mode */ 846 847#ifdef CONFIG_FB_BACKLIGHT 848 /* assigned backlight device */ 849 /* set before framebuffer registration, 850 remove after unregister */ 851 struct backlight_device *bl_dev; 852 853 /* Backlight level curve */ 854 struct mutex bl_curve_mutex; 855 u8 bl_curve[FB_BACKLIGHT_LEVELS]; 856#endif 857#ifdef CONFIG_FB_DEFERRED_IO 858 struct delayed_work deferred_work; 859 struct fb_deferred_io *fbdefio; 860#endif 861 862 struct fb_ops *fbops; 863 struct device *device; /* This is the parent */ 864 struct device *dev; /* This is this fb device */ 865 int class_flag; /* private sysfs flags */ 866#ifdef CONFIG_FB_TILEBLITTING 867 struct fb_tile_ops *tileops; /* Tile Blitting */ 868#endif 869 char __iomem *screen_base; /* Virtual address */ 870 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */ 871 void *pseudo_palette; /* Fake palette of 16 colors */ 872#define FBINFO_STATE_RUNNING 0 873#define FBINFO_STATE_SUSPENDED 1 874 u32 state; /* Hardware state i.e suspend */ 875 void *fbcon_par; /* fbcon use-only private area */ 876 /* From here on everything is device dependent */ 877 void *par; 878 /* we need the PCI or similiar aperture base/size not 879 smem_start/size as smem_start may just be an object 880 allocated inside the aperture so may not actually overlap */ 881 struct apertures_struct { 882 unsigned int count; 883 struct aperture { 884 resource_size_t base; 885 resource_size_t size; 886 } ranges[0]; 887 } *apertures; 888}; 889 890static inline struct apertures_struct *alloc_apertures(unsigned int max_num) { 891 struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct) 892 + max_num * sizeof(struct aperture), GFP_KERNEL); 893 if (!a) 894 return NULL; 895 a->count = max_num; 896 return a; 897} 898 899#ifdef MODULE 900#define FBINFO_DEFAULT FBINFO_MODULE 901#else 902#define FBINFO_DEFAULT 0 903#endif 904 905// This will go away 906#define FBINFO_FLAG_MODULE FBINFO_MODULE 907#define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT 908 909/* This will go away 910 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags 911 * when it wants to turn the acceleration engine on. This is 912 * really a separate operation, and should be modified via sysfs. 913 * But for now, we leave it broken with the following define 914 */ 915#define STUPID_ACCELF_TEXT_SHIT 916 917// This will go away 918#if defined(__sparc__) 919 920/* We map all of our framebuffers such that big-endian accesses 921 * are what we want, so the following is sufficient. 922 */ 923 924// This will go away 925#define fb_readb sbus_readb 926#define fb_readw sbus_readw 927#define fb_readl sbus_readl 928#define fb_readq sbus_readq 929#define fb_writeb sbus_writeb 930#define fb_writew sbus_writew 931#define fb_writel sbus_writel 932#define fb_writeq sbus_writeq 933#define fb_memset sbus_memset_io 934 935#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || \ 936 defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || \ 937 defined(__bfin__) 938 939#define fb_readb __raw_readb 940#define fb_readw __raw_readw 941#define fb_readl __raw_readl 942#define fb_readq __raw_readq 943#define fb_writeb __raw_writeb 944#define fb_writew __raw_writew 945#define fb_writel __raw_writel 946#define fb_writeq __raw_writeq 947#define fb_memset memset_io 948 949#else 950 951#define fb_readb(addr) (*(volatile u8 *) (addr)) 952#define fb_readw(addr) (*(volatile u16 *) (addr)) 953#define fb_readl(addr) (*(volatile u32 *) (addr)) 954#define fb_readq(addr) (*(volatile u64 *) (addr)) 955#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b)) 956#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b)) 957#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b)) 958#define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b)) 959#define fb_memset memset 960 961#endif 962 963#define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0) 964#define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \ 965 (val) << (bits)) 966#define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \ 967 (val) >> (bits)) 968 969 /* 970 * `Generic' versions of the frame buffer device operations 971 */ 972 973extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var); 974extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var); 975extern int fb_blank(struct fb_info *info, int blank); 976extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 977extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); 978extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image); 979/* 980 * Drawing operations where framebuffer is in system RAM 981 */ 982extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 983extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area); 984extern void sys_imageblit(struct fb_info *info, const struct fb_image *image); 985extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf, 986 size_t count, loff_t *ppos); 987extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf, 988 size_t count, loff_t *ppos); 989 990/* drivers/video/fbmem.c */ 991extern int register_framebuffer(struct fb_info *fb_info); 992extern int unregister_framebuffer(struct fb_info *fb_info); 993extern void remove_conflicting_framebuffers(struct apertures_struct *a, 994 const char *name, bool primary); 995extern int fb_prepare_logo(struct fb_info *fb_info, int rotate); 996extern int fb_show_logo(struct fb_info *fb_info, int rotate); 997extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size); 998extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx, 999 u32 height, u32 shift_high, u32 shift_low, u32 mod); 1000extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height); 1001extern void fb_set_suspend(struct fb_info *info, int state); 1002extern int fb_get_color_depth(struct fb_var_screeninfo *var, 1003 struct fb_fix_screeninfo *fix); 1004extern int fb_get_options(char *name, char **option); 1005extern int fb_new_modelist(struct fb_info *info); 1006 1007extern struct fb_info *registered_fb[FB_MAX]; 1008extern int num_registered_fb; 1009extern struct class *fb_class; 1010 1011extern int lock_fb_info(struct fb_info *info); 1012 1013static inline void unlock_fb_info(struct fb_info *info) 1014{ 1015 mutex_unlock(&info->lock); 1016} 1017 1018static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, 1019 u8 *src, u32 s_pitch, u32 height) 1020{ 1021 int i, j; 1022 1023 d_pitch -= s_pitch; 1024 1025 for (i = height; i--; ) { 1026 /* s_pitch is a few bytes at the most, memcpy is suboptimal */ 1027 for (j = 0; j < s_pitch; j++) 1028 *dst++ = *src++; 1029 dst += d_pitch; 1030 } 1031} 1032 1033/* drivers/video/fb_defio.c */ 1034extern void fb_deferred_io_init(struct fb_info *info); 1035extern void fb_deferred_io_open(struct fb_info *info, 1036 struct inode *inode, 1037 struct file *file); 1038extern void fb_deferred_io_cleanup(struct fb_info *info); 1039extern int fb_deferred_io_fsync(struct file *file, int datasync); 1040 1041static inline bool fb_be_math(struct fb_info *info) 1042{ 1043#ifdef CONFIG_FB_FOREIGN_ENDIAN 1044#if defined(CONFIG_FB_BOTH_ENDIAN) 1045 return info->flags & FBINFO_BE_MATH; 1046#elif defined(CONFIG_FB_BIG_ENDIAN) 1047 return true; 1048#elif defined(CONFIG_FB_LITTLE_ENDIAN) 1049 return false; 1050#endif /* CONFIG_FB_BOTH_ENDIAN */ 1051#else 1052#ifdef __BIG_ENDIAN 1053 return true; 1054#else 1055 return false; 1056#endif /* __BIG_ENDIAN */ 1057#endif /* CONFIG_FB_FOREIGN_ENDIAN */ 1058} 1059 1060/* drivers/video/fbsysfs.c */ 1061extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev); 1062extern void framebuffer_release(struct fb_info *info); 1063extern int fb_init_device(struct fb_info *fb_info); 1064extern void fb_cleanup_device(struct fb_info *head); 1065extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max); 1066 1067/* drivers/video/fbmon.c */ 1068#define FB_MAXTIMINGS 0 1069#define FB_VSYNCTIMINGS 1 1070#define FB_HSYNCTIMINGS 2 1071#define FB_DCLKTIMINGS 3 1072#define FB_IGNOREMON 0x100 1073 1074#define FB_MODE_IS_UNKNOWN 0 1075#define FB_MODE_IS_DETAILED 1 1076#define FB_MODE_IS_STANDARD 2 1077#define FB_MODE_IS_VESA 4 1078#define FB_MODE_IS_CALCULATED 8 1079#define FB_MODE_IS_FIRST 16 1080#define FB_MODE_IS_FROM_VAR 32 1081 1082extern int fbmon_dpms(const struct fb_info *fb_info); 1083extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, 1084 struct fb_info *info); 1085extern int fb_validate_mode(const struct fb_var_screeninfo *var, 1086 struct fb_info *info); 1087extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var); 1088extern const unsigned char *fb_firmware_edid(struct device *device); 1089extern void fb_edid_to_monspecs(unsigned char *edid, 1090 struct fb_monspecs *specs); 1091extern void fb_destroy_modedb(struct fb_videomode *modedb); 1092extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb); 1093extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter); 1094 1095/* drivers/video/modedb.c */ 1096#define VESA_MODEDB_SIZE 34 1097extern void fb_var_to_videomode(struct fb_videomode *mode, 1098 const struct fb_var_screeninfo *var); 1099extern void fb_videomode_to_var(struct fb_var_screeninfo *var, 1100 const struct fb_videomode *mode); 1101extern int fb_mode_is_equal(const struct fb_videomode *mode1, 1102 const struct fb_videomode *mode2); 1103extern int fb_add_videomode(const struct fb_videomode *mode, 1104 struct list_head *head); 1105extern void fb_delete_videomode(const struct fb_videomode *mode, 1106 struct list_head *head); 1107extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var, 1108 struct list_head *head); 1109extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var, 1110 struct list_head *head); 1111extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode, 1112 struct list_head *head); 1113extern void fb_destroy_modelist(struct list_head *head); 1114extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num, 1115 struct list_head *head); 1116extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs, 1117 struct list_head *head); 1118 1119/* drivers/video/fbcmap.c */ 1120extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); 1121extern void fb_dealloc_cmap(struct fb_cmap *cmap); 1122extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to); 1123extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to); 1124extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info); 1125extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info); 1126extern const struct fb_cmap *fb_default_cmap(int len); 1127extern void fb_invert_cmaps(void); 1128 1129struct fb_videomode { 1130 const char *name; /* optional */ 1131 u32 refresh; /* optional */ 1132 u32 xres; 1133 u32 yres; 1134 u32 pixclock; 1135 u32 left_margin; 1136 u32 right_margin; 1137 u32 upper_margin; 1138 u32 lower_margin; 1139 u32 hsync_len; 1140 u32 vsync_len; 1141 u32 sync; 1142 u32 vmode; 1143 u32 flag; 1144}; 1145 1146extern const char *fb_mode_option; 1147extern const struct fb_videomode vesa_modes[]; 1148 1149struct fb_modelist { 1150 struct list_head list; 1151 struct fb_videomode mode; 1152}; 1153 1154extern int fb_find_mode(struct fb_var_screeninfo *var, 1155 struct fb_info *info, const char *mode_option, 1156 const struct fb_videomode *db, 1157 unsigned int dbsize, 1158 const struct fb_videomode *default_mode, 1159 unsigned int default_bpp); 1160 1161#endif /* __KERNEL__ */ 1162 1163#endif /* _LINUX_FB_H */ 1164