1 #ifndef _LINUX_FB_H 2 #define _LINUX_FB_H 3 4 #include <linux/types.h> 5 #include <linux/i2c.h> 6 7 struct dentry; 8 9 /* Definitions of frame buffers */ 10 11 #define FB_MAX 32 /* sufficient for now */ 12 13 /* ioctls 14 0x46 is 'F' */ 15 #define FBIOGET_VSCREENINFO 0x4600 16 #define FBIOPUT_VSCREENINFO 0x4601 17 #define FBIOGET_FSCREENINFO 0x4602 18 #define FBIOGETCMAP 0x4604 19 #define FBIOPUTCMAP 0x4605 20 #define FBIOPAN_DISPLAY 0x4606 21 #ifdef __KERNEL__ 22 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user) 23 #else 24 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor) 25 #endif 26 /* 0x4607-0x460B are defined below */ 27 /* #define FBIOGET_MONITORSPEC 0x460C */ 28 /* #define FBIOPUT_MONITORSPEC 0x460D */ 29 /* #define FBIOSWITCH_MONIBIT 0x460E */ 30 #define FBIOGET_CON2FBMAP 0x460F 31 #define FBIOPUT_CON2FBMAP 0x4610 32 #define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */ 33 #define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank) 34 #define FBIO_ALLOC 0x4613 35 #define FBIO_FREE 0x4614 36 #define FBIOGET_GLYPH 0x4615 37 #define FBIOGET_HWCINFO 0x4616 38 #define FBIOPUT_MODEINFO 0x4617 39 #define FBIOGET_DISPINFO 0x4618 40 41 42 #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */ 43 #define FB_TYPE_PLANES 1 /* Non interleaved planes */ 44 #define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */ 45 #define FB_TYPE_TEXT 3 /* Text/attributes */ 46 #define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */ 47 48 #define FB_AUX_TEXT_MDA 0 /* Monochrome text */ 49 #define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */ 50 #define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */ 51 #define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */ 52 #define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */ 53 #define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */ 54 #define FB_AUX_TEXT_SVGA_MASK 7 /* lower three bits says step */ 55 #define FB_AUX_TEXT_SVGA_STEP2 8 /* SVGA text mode: text, attr */ 56 #define FB_AUX_TEXT_SVGA_STEP4 9 /* SVGA text mode: text, attr, 2 reserved bytes */ 57 #define FB_AUX_TEXT_SVGA_STEP8 10 /* SVGA text mode: text, attr, 6 reserved bytes */ 58 #define FB_AUX_TEXT_SVGA_STEP16 11 /* SVGA text mode: text, attr, 14 reserved bytes */ 59 #define FB_AUX_TEXT_SVGA_LAST 15 /* reserved up to 15 */ 60 61 #define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */ 62 #define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */ 63 #define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */ 64 65 #define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */ 66 #define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */ 67 #define FB_VISUAL_TRUECOLOR 2 /* True color */ 68 #define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */ 69 #define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */ 70 #define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */ 71 72 #define FB_ACCEL_NONE 0 /* no hardware accelerator */ 73 #define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */ 74 #define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */ 75 #define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */ 76 #define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */ 77 #define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */ 78 #define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */ 79 #define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */ 80 #define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */ 81 #define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */ 82 #define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */ 83 #define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */ 84 #define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */ 85 #define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */ 86 #define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */ 87 #define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */ 88 #define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */ 89 #define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */ 90 #define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */ 91 #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */ 92 #define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */ 93 #define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */ 94 #define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */ 95 #define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */ 96 #define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */ 97 #define FB_ACCEL_SUN_TCX 25 /* Sun tcx */ 98 #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */ 99 #define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */ 100 #define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */ 101 #define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */ 102 #define FB_ACCEL_CT_6555x 30 /* C&T 6555x */ 103 #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */ 104 #define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */ 105 #define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */ 106 #define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */ 107 #define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */ 108 #define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */ 109 #define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */ 110 #define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */ 111 #define FB_ACCEL_I810 39 /* Intel 810/815 */ 112 #define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */ 113 #define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */ 114 #define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */ 115 #define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */ 116 #define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */ 117 #define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */ 118 #define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */ 119 #define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */ 120 #define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */ 121 #define FB_ACCEL_OMAP1610 49 /* TI OMAP16xx */ 122 #define FB_ACCEL_TRIDENT_TGUI 50 /* Trident TGUI */ 123 #define FB_ACCEL_TRIDENT_3DIMAGE 51 /* Trident 3DImage */ 124 #define FB_ACCEL_TRIDENT_BLADE3D 52 /* Trident Blade3D */ 125 #define FB_ACCEL_TRIDENT_BLADEXP 53 /* Trident BladeXP */ 126 #define FB_ACCEL_CIRRUS_ALPINE 53 /* Cirrus Logic 543x/544x/5480 */ 127 #define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */ 128 #define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */ 129 #define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */ 130 #define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */ 131 #define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */ 132 #define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */ 133 #define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */ 134 #define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */ 135 #define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */ 136 137 #define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */ 138 #define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */ 139 #define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */ 140 #define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */ 141 #define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */ 142 #define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */ 143 #define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */ 144 #define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */ 145 #define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */ 146 #define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */ 147 #define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */ 148 #define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */ 149 #define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */ 150 #define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */ 151 #define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */ 152 153 struct fb_fix_screeninfo { 154 char id[16]; /* identification string eg "TT Builtin" */ 155 unsigned long smem_start; /* Start of frame buffer mem */ 156 /* (physical address) */ 157 __u32 smem_len; /* Length of frame buffer mem */ 158 __u32 type; /* see FB_TYPE_* */ 159 __u32 type_aux; /* Interleave for interleaved Planes */ 160 __u32 visual; /* see FB_VISUAL_* */ 161 __u16 xpanstep; /* zero if no hardware panning */ 162 __u16 ypanstep; /* zero if no hardware panning */ 163 __u16 ywrapstep; /* zero if no hardware ywrap */ 164 __u32 line_length; /* length of a line in bytes */ 165 unsigned long mmio_start; /* Start of Memory Mapped I/O */ 166 /* (physical address) */ 167 __u32 mmio_len; /* Length of Memory Mapped I/O */ 168 __u32 accel; /* Indicate to driver which */ 169 /* specific chip/card we have */ 170 __u16 reserved[3]; /* Reserved for future compatibility */ 171 }; 172 173 /* Interpretation of offset for color fields: All offsets are from the right, 174 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you 175 * can use the offset as right argument to <<). A pixel afterwards is a bit 176 * stream and is written to video memory as that unmodified. This implies 177 * big-endian byte order if bits_per_pixel is greater than 8. 178 */ 179 struct fb_bitfield { 180 __u32 offset; /* beginning of bitfield */ 181 __u32 length; /* length of bitfield */ 182 __u32 msb_right; /* != 0 : Most significant bit is */ 183 /* right */ 184 }; 185 186 #define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */ 187 #define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */ 188 189 #define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/ 190 #define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */ 191 #define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */ 192 #define FB_ACTIVATE_MASK 15 193 /* values */ 194 #define FB_ACTIVATE_VBL 16 /* activate values on next vbl */ 195 #define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */ 196 #define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */ 197 #define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/ 198 #define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */ 199 200 #define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */ 201 202 #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */ 203 #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */ 204 #define FB_SYNC_EXT 4 /* external sync */ 205 #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */ 206 #define FB_SYNC_BROADCAST 16 /* broadcast video timings */ 207 /* vtotal = 144d/288n/576i => PAL */ 208 /* vtotal = 121d/242n/484i => NTSC */ 209 #define FB_SYNC_ON_GREEN 32 /* sync on green */ 210 211 #define FB_VMODE_NONINTERLACED 0 /* non interlaced */ 212 #define FB_VMODE_INTERLACED 1 /* interlaced */ 213 #define FB_VMODE_DOUBLE 2 /* double scan */ 214 #define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */ 215 #define FB_VMODE_MASK 255 216 217 #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */ 218 #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ 219 #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ 220 221 /* 222 * Display rotation support 223 */ 224 #define FB_ROTATE_UR 0 225 #define FB_ROTATE_CW 1 226 #define FB_ROTATE_UD 2 227 #define FB_ROTATE_CCW 3 228 229 #define PICOS2KHZ(a) (1000000000UL/(a)) 230 #define KHZ2PICOS(a) (1000000000UL/(a)) 231 232 struct fb_var_screeninfo { 233 __u32 xres; /* visible resolution */ 234 __u32 yres; 235 __u32 xres_virtual; /* virtual resolution */ 236 __u32 yres_virtual; 237 __u32 xoffset; /* offset from virtual to visible */ 238 __u32 yoffset; /* resolution */ 239 240 __u32 bits_per_pixel; /* guess what */ 241 __u32 grayscale; /* != 0 Graylevels instead of colors */ 242 243 struct fb_bitfield red; /* bitfield in fb mem if true color, */ 244 struct fb_bitfield green; /* else only length is significant */ 245 struct fb_bitfield blue; 246 struct fb_bitfield transp; /* transparency */ 247 248 __u32 nonstd; /* != 0 Non standard pixel format */ 249 250 __u32 activate; /* see FB_ACTIVATE_* */ 251 252 __u32 height; /* height of picture in mm */ 253 __u32 width; /* width of picture in mm */ 254 255 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */ 256 257 /* Timing: All values in pixclocks, except pixclock (of course) */ 258 __u32 pixclock; /* pixel clock in ps (pico seconds) */ 259 __u32 left_margin; /* time from sync to picture */ 260 __u32 right_margin; /* time from picture to sync */ 261 __u32 upper_margin; /* time from sync to picture */ 262 __u32 lower_margin; 263 __u32 hsync_len; /* length of horizontal sync */ 264 __u32 vsync_len; /* length of vertical sync */ 265 __u32 sync; /* see FB_SYNC_* */ 266 __u32 vmode; /* see FB_VMODE_* */ 267 __u32 rotate; /* angle we rotate counter clockwise */ 268 __u32 reserved[5]; /* Reserved for future compatibility */ 269 }; 270 271 struct fb_cmap { 272 __u32 start; /* First entry */ 273 __u32 len; /* Number of entries */ 274 __u16 *red; /* Red values */ 275 __u16 *green; 276 __u16 *blue; 277 __u16 *transp; /* transparency, can be NULL */ 278 }; 279 280 struct fb_con2fbmap { 281 __u32 console; 282 __u32 framebuffer; 283 }; 284 285 /* VESA Blanking Levels */ 286 #define VESA_NO_BLANKING 0 287 #define VESA_VSYNC_SUSPEND 1 288 #define VESA_HSYNC_SUSPEND 2 289 #define VESA_POWERDOWN 3 290 291 292 enum { 293 /* screen: unblanked, hsync: on, vsync: on */ 294 FB_BLANK_UNBLANK = VESA_NO_BLANKING, 295 296 /* screen: blanked, hsync: on, vsync: on */ 297 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1, 298 299 /* screen: blanked, hsync: on, vsync: off */ 300 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1, 301 302 /* screen: blanked, hsync: off, vsync: on */ 303 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1, 304 305 /* screen: blanked, hsync: off, vsync: off */ 306 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1 307 }; 308 309 #define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */ 310 #define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */ 311 #define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */ 312 #define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */ 313 #define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */ 314 #define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */ 315 #define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */ 316 #define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */ 317 #define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */ 318 319 struct fb_vblank { 320 __u32 flags; /* FB_VBLANK flags */ 321 __u32 count; /* counter of retraces since boot */ 322 __u32 vcount; /* current scanline position */ 323 __u32 hcount; /* current scandot position */ 324 __u32 reserved[4]; /* reserved for future compatibility */ 325 }; 326 327 /* Internal HW accel */ 328 #define ROP_COPY 0 329 #define ROP_XOR 1 330 331 struct fb_copyarea { 332 __u32 dx; 333 __u32 dy; 334 __u32 width; 335 __u32 height; 336 __u32 sx; 337 __u32 sy; 338 }; 339 340 struct fb_fillrect { 341 __u32 dx; /* screen-relative */ 342 __u32 dy; 343 __u32 width; 344 __u32 height; 345 __u32 color; 346 __u32 rop; 347 }; 348 349 struct fb_image { 350 __u32 dx; /* Where to place image */ 351 __u32 dy; 352 __u32 width; /* Size of image */ 353 __u32 height; 354 __u32 fg_color; /* Only used when a mono bitmap */ 355 __u32 bg_color; 356 __u8 depth; /* Depth of the image */ 357 const char *data; /* Pointer to image data */ 358 struct fb_cmap cmap; /* color map info */ 359 }; 360 361 /* 362 * hardware cursor control 363 */ 364 365 #define FB_CUR_SETIMAGE 0x01 366 #define FB_CUR_SETPOS 0x02 367 #define FB_CUR_SETHOT 0x04 368 #define FB_CUR_SETCMAP 0x08 369 #define FB_CUR_SETSHAPE 0x10 370 #define FB_CUR_SETSIZE 0x20 371 #define FB_CUR_SETALL 0xFF 372 373 struct fbcurpos { 374 __u16 x, y; 375 }; 376 377 struct fb_cursor { 378 __u16 set; /* what to set */ 379 __u16 enable; /* cursor on/off */ 380 __u16 rop; /* bitop operation */ 381 const char *mask; /* cursor mask bits */ 382 struct fbcurpos hot; /* cursor hot spot */ 383 struct fb_image image; /* Cursor image */ 384 }; 385 386 #ifdef CONFIG_FB_BACKLIGHT 387 /* Settings for the generic backlight code */ 388 #define FB_BACKLIGHT_LEVELS 128 389 #define FB_BACKLIGHT_MAX 0xFF 390 #endif 391 392 #ifdef __KERNEL__ 393 394 #include <linux/fs.h> 395 #include <linux/init.h> 396 #include <linux/device.h> 397 #include <linux/workqueue.h> 398 #include <linux/notifier.h> 399 #include <linux/list.h> 400 #include <linux/backlight.h> 401 #include <asm/io.h> 402 403 struct vm_area_struct; 404 struct fb_info; 405 struct device; 406 struct file; 407 408 /* Definitions below are used in the parsed monitor specs */ 409 #define FB_DPMS_ACTIVE_OFF 1 410 #define FB_DPMS_SUSPEND 2 411 #define FB_DPMS_STANDBY 4 412 413 #define FB_DISP_DDI 1 414 #define FB_DISP_ANA_700_300 2 415 #define FB_DISP_ANA_714_286 4 416 #define FB_DISP_ANA_1000_400 8 417 #define FB_DISP_ANA_700_000 16 418 419 #define FB_DISP_MONO 32 420 #define FB_DISP_RGB 64 421 #define FB_DISP_MULTI 128 422 #define FB_DISP_UNKNOWN 256 423 424 #define FB_SIGNAL_NONE 0 425 #define FB_SIGNAL_BLANK_BLANK 1 426 #define FB_SIGNAL_SEPARATE 2 427 #define FB_SIGNAL_COMPOSITE 4 428 #define FB_SIGNAL_SYNC_ON_GREEN 8 429 #define FB_SIGNAL_SERRATION_ON 16 430 431 #define FB_MISC_PRIM_COLOR 1 432 #define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */ 433 struct fb_chroma { 434 __u32 redx; /* in fraction of 1024 */ 435 __u32 greenx; 436 __u32 bluex; 437 __u32 whitex; 438 __u32 redy; 439 __u32 greeny; 440 __u32 bluey; 441 __u32 whitey; 442 }; 443 444 struct fb_monspecs { 445 struct fb_chroma chroma; 446 struct fb_videomode *modedb; /* mode database */ 447 __u8 manufacturer[4]; /* Manufacturer */ 448 __u8 monitor[14]; /* Monitor String */ 449 __u8 serial_no[14]; /* Serial Number */ 450 __u8 ascii[14]; /* ? */ 451 __u32 modedb_len; /* mode database length */ 452 __u32 model; /* Monitor Model */ 453 __u32 serial; /* Serial Number - Integer */ 454 __u32 year; /* Year manufactured */ 455 __u32 week; /* Week Manufactured */ 456 __u32 hfmin; /* hfreq lower limit (Hz) */ 457 __u32 hfmax; /* hfreq upper limit (Hz) */ 458 __u32 dclkmin; /* pixelclock lower limit (Hz) */ 459 __u32 dclkmax; /* pixelclock upper limit (Hz) */ 460 __u16 input; /* display type - see FB_DISP_* */ 461 __u16 dpms; /* DPMS support - see FB_DPMS_ */ 462 __u16 signal; /* Signal Type - see FB_SIGNAL_* */ 463 __u16 vfmin; /* vfreq lower limit (Hz) */ 464 __u16 vfmax; /* vfreq upper limit (Hz) */ 465 __u16 gamma; /* Gamma - in fractions of 100 */ 466 __u16 gtf : 1; /* supports GTF */ 467 __u16 misc; /* Misc flags - see FB_MISC_* */ 468 __u8 version; /* EDID version... */ 469 __u8 revision; /* ...and revision */ 470 __u8 max_x; /* Maximum horizontal size (cm) */ 471 __u8 max_y; /* Maximum vertical size (cm) */ 472 }; 473 474 struct fb_cmap_user { 475 __u32 start; /* First entry */ 476 __u32 len; /* Number of entries */ 477 __u16 __user *red; /* Red values */ 478 __u16 __user *green; 479 __u16 __user *blue; 480 __u16 __user *transp; /* transparency, can be NULL */ 481 }; 482 483 struct fb_image_user { 484 __u32 dx; /* Where to place image */ 485 __u32 dy; 486 __u32 width; /* Size of image */ 487 __u32 height; 488 __u32 fg_color; /* Only used when a mono bitmap */ 489 __u32 bg_color; 490 __u8 depth; /* Depth of the image */ 491 const char __user *data; /* Pointer to image data */ 492 struct fb_cmap_user cmap; /* color map info */ 493 }; 494 495 struct fb_cursor_user { 496 __u16 set; /* what to set */ 497 __u16 enable; /* cursor on/off */ 498 __u16 rop; /* bitop operation */ 499 const char __user *mask; /* cursor mask bits */ 500 struct fbcurpos hot; /* cursor hot spot */ 501 struct fb_image_user image; /* Cursor image */ 502 }; 503 504 /* 505 * Register/unregister for framebuffer events 506 */ 507 508 /* The resolution of the passed in fb_info about to change */ 509 #define FB_EVENT_MODE_CHANGE 0x01 510 /* The display on this fb_info is beeing suspended, no access to the 511 * framebuffer is allowed any more after that call returns 512 */ 513 #define FB_EVENT_SUSPEND 0x02 514 /* The display on this fb_info was resumed, you can restore the display 515 * if you own it 516 */ 517 #define FB_EVENT_RESUME 0x03 518 /* An entry from the modelist was removed */ 519 #define FB_EVENT_MODE_DELETE 0x04 520 /* A driver registered itself */ 521 #define FB_EVENT_FB_REGISTERED 0x05 522 /* A driver unregistered itself */ 523 #define FB_EVENT_FB_UNREGISTERED 0x06 524 /* CONSOLE-SPECIFIC: get console to framebuffer mapping */ 525 #define FB_EVENT_GET_CONSOLE_MAP 0x07 526 /* CONSOLE-SPECIFIC: set console to framebuffer mapping */ 527 #define FB_EVENT_SET_CONSOLE_MAP 0x08 528 /* A hardware display blank change occured */ 529 #define FB_EVENT_BLANK 0x09 530 /* Private modelist is to be replaced */ 531 #define FB_EVENT_NEW_MODELIST 0x0A 532 /* The resolution of the passed in fb_info about to change and 533 all vc's should be changed */ 534 #define FB_EVENT_MODE_CHANGE_ALL 0x0B 535 /* A software display blank change occured */ 536 #define FB_EVENT_CONBLANK 0x0C 537 /* Get drawing requirements */ 538 #define FB_EVENT_GET_REQ 0x0D 539 /* Unbind from the console if possible */ 540 #define FB_EVENT_FB_UNBIND 0x0E 541 542 struct fb_event { 543 struct fb_info *info; 544 void *data; 545 }; 546 547 struct fb_blit_caps { 548 u32 x; 549 u32 y; 550 u32 len; 551 u32 flags; 552 }; 553 554 extern int fb_register_client(struct notifier_block *nb); 555 extern int fb_unregister_client(struct notifier_block *nb); 556 extern int fb_notifier_call_chain(unsigned long val, void *v); 557 /* 558 * Pixmap structure definition 559 * 560 * The purpose of this structure is to translate data 561 * from the hardware independent format of fbdev to what 562 * format the hardware needs. 563 */ 564 565 #define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */ 566 #define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */ 567 #define FB_PIXMAP_IO 4 /* memory is iomapped */ 568 #define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */ 569 570 struct fb_pixmap { 571 u8 *addr; /* pointer to memory */ 572 u32 size; /* size of buffer in bytes */ 573 u32 offset; /* current offset to buffer */ 574 u32 buf_align; /* byte alignment of each bitmap */ 575 u32 scan_align; /* alignment per scanline */ 576 u32 access_align; /* alignment per read/write (bits) */ 577 u32 flags; /* see FB_PIXMAP_* */ 578 u32 blit_x; /* supported bit block dimensions (1-32)*/ 579 u32 blit_y; /* Format: blit_x = 1 << (width - 1) */ 580 /* blit_y = 1 << (height - 1) */ 581 /* if 0, will be set to 0xffffffff (all)*/ 582 /* access methods */ 583 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size); 584 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size); 585 }; 586 587 #ifdef CONFIG_FB_DEFERRED_IO 588 struct fb_deferred_io { 589 /* delay between mkwrite and deferred handler */ 590 unsigned long delay; 591 struct mutex lock; /* mutex that protects the page list */ 592 struct list_head pagelist; /* list of touched pages */ 593 /* callback */ 594 void (*deferred_io)(struct fb_info *info, struct list_head *pagelist); 595 }; 596 #endif 597 598 /* 599 * Frame buffer operations 600 * 601 * LOCKING NOTE: those functions must _ALL_ be called with the console 602 * semaphore held, this is the only suitable locking mechanism we have 603 * in 2.6. Some may be called at interrupt time at this point though. 604 */ 605 606 struct fb_ops { 607 /* open/release and usage marking */ 608 struct module *owner; 609 int (*fb_open)(struct fb_info *info, int user); 610 int (*fb_release)(struct fb_info *info, int user); 611 612 /* For framebuffers with strange non linear layouts or that do not 613 * work with normal memory mapped access 614 */ 615 ssize_t (*fb_read)(struct fb_info *info, char __user *buf, 616 size_t count, loff_t *ppos); 617 ssize_t (*fb_write)(struct fb_info *info, const char __user *buf, 618 size_t count, loff_t *ppos); 619 620 /* checks var and eventually tweaks it to something supported, 621 * DO NOT MODIFY PAR */ 622 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info); 623 624 /* set the video mode according to info->var */ 625 int (*fb_set_par)(struct fb_info *info); 626 627 /* set color register */ 628 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green, 629 unsigned blue, unsigned transp, struct fb_info *info); 630 631 /* set color registers in batch */ 632 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info); 633 634 /* blank display */ 635 int (*fb_blank)(int blank, struct fb_info *info); 636 637 /* pan display */ 638 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info); 639 640 /* Draws a rectangle */ 641 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect); 642 /* Copy data from area to another */ 643 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region); 644 /* Draws a image to the display */ 645 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image); 646 647 /* Draws cursor */ 648 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor); 649 650 /* Rotates the display */ 651 void (*fb_rotate)(struct fb_info *info, int angle); 652 653 /* wait for blit idle, optional */ 654 int (*fb_sync)(struct fb_info *info); 655 656 /* perform fb specific ioctl (optional) */ 657 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd, 658 unsigned long arg); 659 660 /* Handle 32bit compat ioctl (optional) */ 661 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd, 662 unsigned long arg); 663 664 /* perform fb specific mmap */ 665 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma); 666 667 /* save current hardware state */ 668 void (*fb_save_state)(struct fb_info *info); 669 670 /* restore saved state */ 671 void (*fb_restore_state)(struct fb_info *info); 672 673 /* get capability given var */ 674 void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps, 675 struct fb_var_screeninfo *var); 676 }; 677 678 #ifdef CONFIG_FB_TILEBLITTING 679 #define FB_TILE_CURSOR_NONE 0 680 #define FB_TILE_CURSOR_UNDERLINE 1 681 #define FB_TILE_CURSOR_LOWER_THIRD 2 682 #define FB_TILE_CURSOR_LOWER_HALF 3 683 #define FB_TILE_CURSOR_TWO_THIRDS 4 684 #define FB_TILE_CURSOR_BLOCK 5 685 686 struct fb_tilemap { 687 __u32 width; /* width of each tile in pixels */ 688 __u32 height; /* height of each tile in scanlines */ 689 __u32 depth; /* color depth of each tile */ 690 __u32 length; /* number of tiles in the map */ 691 const __u8 *data; /* actual tile map: a bitmap array, packed 692 to the nearest byte */ 693 }; 694 695 struct fb_tilerect { 696 __u32 sx; /* origin in the x-axis */ 697 __u32 sy; /* origin in the y-axis */ 698 __u32 width; /* number of tiles in the x-axis */ 699 __u32 height; /* number of tiles in the y-axis */ 700 __u32 index; /* what tile to use: index to tile map */ 701 __u32 fg; /* foreground color */ 702 __u32 bg; /* background color */ 703 __u32 rop; /* raster operation */ 704 }; 705 706 struct fb_tilearea { 707 __u32 sx; /* source origin in the x-axis */ 708 __u32 sy; /* source origin in the y-axis */ 709 __u32 dx; /* destination origin in the x-axis */ 710 __u32 dy; /* destination origin in the y-axis */ 711 __u32 width; /* number of tiles in the x-axis */ 712 __u32 height; /* number of tiles in the y-axis */ 713 }; 714 715 struct fb_tileblit { 716 __u32 sx; /* origin in the x-axis */ 717 __u32 sy; /* origin in the y-axis */ 718 __u32 width; /* number of tiles in the x-axis */ 719 __u32 height; /* number of tiles in the y-axis */ 720 __u32 fg; /* foreground color */ 721 __u32 bg; /* background color */ 722 __u32 length; /* number of tiles to draw */ 723 __u32 *indices; /* array of indices to tile map */ 724 }; 725 726 struct fb_tilecursor { 727 __u32 sx; /* cursor position in the x-axis */ 728 __u32 sy; /* cursor position in the y-axis */ 729 __u32 mode; /* 0 = erase, 1 = draw */ 730 __u32 shape; /* see FB_TILE_CURSOR_* */ 731 __u32 fg; /* foreground color */ 732 __u32 bg; /* background color */ 733 }; 734 735 struct fb_tile_ops { 736 /* set tile characteristics */ 737 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map); 738 739 /* all dimensions from hereon are in terms of tiles */ 740 741 /* move a rectangular region of tiles from one area to another*/ 742 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area); 743 /* fill a rectangular region with a tile */ 744 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect); 745 /* copy an array of tiles */ 746 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit); 747 /* cursor */ 748 void (*fb_tilecursor)(struct fb_info *info, 749 struct fb_tilecursor *cursor); 750 /* get maximum length of the tile map */ 751 int (*fb_get_tilemax)(struct fb_info *info); 752 }; 753 #endif /* CONFIG_FB_TILEBLITTING */ 754 755 /* FBINFO_* = fb_info.flags bit flags */ 756 #define FBINFO_MODULE 0x0001 /* Low-level driver is a module */ 757 #define FBINFO_HWACCEL_DISABLED 0x0002 758 /* When FBINFO_HWACCEL_DISABLED is set: 759 * Hardware acceleration is turned off. Software implementations 760 * of required functions (copyarea(), fillrect(), and imageblit()) 761 * takes over; acceleration engine should be in a quiescent state */ 762 763 /* hints */ 764 #define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */ 765 #define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */ 766 767 /* hardware supported ops */ 768 /* semantics: when a bit is set, it indicates that the operation is 769 * accelerated by hardware. 770 * required functions will still work even if the bit is not set. 771 * optional functions may not even exist if the flag bit is not set. 772 */ 773 #define FBINFO_HWACCEL_NONE 0x0000 774 #define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */ 775 #define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */ 776 #define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */ 777 #define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */ 778 #define FBINFO_HWACCEL_XPAN 0x1000 /* optional */ 779 #define FBINFO_HWACCEL_YPAN 0x2000 /* optional */ 780 #define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */ 781 782 #define FBINFO_MISC_USEREVENT 0x10000 /* event request 783 from userspace */ 784 #define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */ 785 786 /* A driver may set this flag to indicate that it does want a set_par to be 787 * called every time when fbcon_switch is executed. The advantage is that with 788 * this flag set you can really be sure that set_par is always called before 789 * any of the functions dependant on the correct hardware state or altering 790 * that state, even if you are using some broken X releases. The disadvantage 791 * is that it introduces unwanted delays to every console switch if set_par 792 * is slow. It is a good idea to try this flag in the drivers initialization 793 * code whenever there is a bug report related to switching between X and the 794 * framebuffer console. 795 */ 796 #define FBINFO_MISC_ALWAYS_SETPAR 0x40000 797 798 /* 799 * Host and GPU endianness differ. 800 */ 801 #define FBINFO_FOREIGN_ENDIAN 0x100000 802 /* 803 * Big endian math. This is the same flags as above, but with different 804 * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag 805 * and host endianness. Drivers should not use this flag. 806 */ 807 #define FBINFO_BE_MATH 0x100000 808 809 struct fb_info { 810 int node; 811 int flags; 812 struct mutex lock; /* Lock for open/release/ioctl funcs */ 813 struct fb_var_screeninfo var; /* Current var */ 814 struct fb_fix_screeninfo fix; /* Current fix */ 815 struct fb_monspecs monspecs; /* Current Monitor specs */ 816 struct work_struct queue; /* Framebuffer event queue */ 817 struct fb_pixmap pixmap; /* Image hardware mapper */ 818 struct fb_pixmap sprite; /* Cursor hardware mapper */ 819 struct fb_cmap cmap; /* Current cmap */ 820 struct list_head modelist; /* mode list */ 821 struct fb_videomode *mode; /* current mode */ 822 823 #ifdef CONFIG_FB_BACKLIGHT 824 /* assigned backlight device */ 825 /* set before framebuffer registration, 826 remove after unregister */ 827 struct backlight_device *bl_dev; 828 829 /* Backlight level curve */ 830 struct mutex bl_curve_mutex; 831 u8 bl_curve[FB_BACKLIGHT_LEVELS]; 832 #endif 833 #ifdef CONFIG_FB_DEFERRED_IO 834 struct delayed_work deferred_work; 835 struct fb_deferred_io *fbdefio; 836 #endif 837 838 struct fb_ops *fbops; 839 struct device *device; /* This is the parent */ 840 struct device *dev; /* This is this fb device */ 841 int class_flag; /* private sysfs flags */ 842 #ifdef CONFIG_FB_TILEBLITTING 843 struct fb_tile_ops *tileops; /* Tile Blitting */ 844 #endif 845 char __iomem *screen_base; /* Virtual address */ 846 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */ 847 void *pseudo_palette; /* Fake palette of 16 colors */ 848 #define FBINFO_STATE_RUNNING 0 849 #define FBINFO_STATE_SUSPENDED 1 850 u32 state; /* Hardware state i.e suspend */ 851 void *fbcon_par; /* fbcon use-only private area */ 852 /* From here on everything is device dependent */ 853 void *par; 854 }; 855 856 #ifdef MODULE 857 #define FBINFO_DEFAULT FBINFO_MODULE 858 #else 859 #define FBINFO_DEFAULT 0 860 #endif 861 862 // This will go away 863 #define FBINFO_FLAG_MODULE FBINFO_MODULE 864 #define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT 865 866 /* This will go away 867 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags 868 * when it wants to turn the acceleration engine on. This is 869 * really a separate operation, and should be modified via sysfs. 870 * But for now, we leave it broken with the following define 871 */ 872 #define STUPID_ACCELF_TEXT_SHIT 873 874 // This will go away 875 #if defined(__sparc__) 876 877 /* We map all of our framebuffers such that big-endian accesses 878 * are what we want, so the following is sufficient. 879 */ 880 881 // This will go away 882 #define fb_readb sbus_readb 883 #define fb_readw sbus_readw 884 #define fb_readl sbus_readl 885 #define fb_readq sbus_readq 886 #define fb_writeb sbus_writeb 887 #define fb_writew sbus_writew 888 #define fb_writel sbus_writel 889 #define fb_writeq sbus_writeq 890 #define fb_memset sbus_memset_io 891 892 #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) 893 894 #define fb_readb __raw_readb 895 #define fb_readw __raw_readw 896 #define fb_readl __raw_readl 897 #define fb_readq __raw_readq 898 #define fb_writeb __raw_writeb 899 #define fb_writew __raw_writew 900 #define fb_writel __raw_writel 901 #define fb_writeq __raw_writeq 902 #define fb_memset memset_io 903 904 #else 905 906 #define fb_readb(addr) (*(volatile u8 *) (addr)) 907 #define fb_readw(addr) (*(volatile u16 *) (addr)) 908 #define fb_readl(addr) (*(volatile u32 *) (addr)) 909 #define fb_readq(addr) (*(volatile u64 *) (addr)) 910 #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b)) 911 #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b)) 912 #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b)) 913 #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b)) 914 #define fb_memset memset 915 916 #endif 917 918 #define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0) 919 #define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \ 920 (val) << (bits)) 921 #define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \ 922 (val) >> (bits)) 923 924 /* 925 * `Generic' versions of the frame buffer device operations 926 */ 927 928 extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var); 929 extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var); 930 extern int fb_blank(struct fb_info *info, int blank); 931 extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 932 extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); 933 extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image); 934 /* 935 * Drawing operations where framebuffer is in system RAM 936 */ 937 extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 938 extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area); 939 extern void sys_imageblit(struct fb_info *info, const struct fb_image *image); 940 extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf, 941 size_t count, loff_t *ppos); 942 extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf, 943 size_t count, loff_t *ppos); 944 945 /* drivers/video/fbmem.c */ 946 extern int register_framebuffer(struct fb_info *fb_info); 947 extern int unregister_framebuffer(struct fb_info *fb_info); 948 extern int fb_prepare_logo(struct fb_info *fb_info, int rotate); 949 extern int fb_show_logo(struct fb_info *fb_info, int rotate); 950 extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size); 951 extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx, 952 u32 height, u32 shift_high, u32 shift_low, u32 mod); 953 extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height); 954 extern void fb_set_suspend(struct fb_info *info, int state); 955 extern int fb_get_color_depth(struct fb_var_screeninfo *var, 956 struct fb_fix_screeninfo *fix); 957 extern int fb_get_options(char *name, char **option); 958 extern int fb_new_modelist(struct fb_info *info); 959 960 extern struct fb_info *registered_fb[FB_MAX]; 961 extern int num_registered_fb; 962 extern struct class *fb_class; 963 964 extern int lock_fb_info(struct fb_info *info); 965 966 static inline void unlock_fb_info(struct fb_info *info) 967 { 968 mutex_unlock(&info->lock); 969 } 970 971 static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, 972 u8 *src, u32 s_pitch, u32 height) 973 { 974 int i, j; 975 976 d_pitch -= s_pitch; 977 978 for (i = height; i--; ) { 979 /* s_pitch is a few bytes at the most, memcpy is suboptimal */ 980 for (j = 0; j < s_pitch; j++) 981 *dst++ = *src++; 982 dst += d_pitch; 983 } 984 } 985 986 /* drivers/video/fb_defio.c */ 987 extern void fb_deferred_io_init(struct fb_info *info); 988 extern void fb_deferred_io_open(struct fb_info *info, 989 struct inode *inode, 990 struct file *file); 991 extern void fb_deferred_io_cleanup(struct fb_info *info); 992 extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry, 993 int datasync); 994 995 static inline bool fb_be_math(struct fb_info *info) 996 { 997 #ifdef CONFIG_FB_FOREIGN_ENDIAN 998 #if defined(CONFIG_FB_BOTH_ENDIAN) 999 return info->flags & FBINFO_BE_MATH; 1000 #elif defined(CONFIG_FB_BIG_ENDIAN) 1001 return true; 1002 #elif defined(CONFIG_FB_LITTLE_ENDIAN) 1003 return false; 1004 #endif /* CONFIG_FB_BOTH_ENDIAN */ 1005 #else 1006 #ifdef __BIG_ENDIAN 1007 return true; 1008 #else 1009 return false; 1010 #endif /* __BIG_ENDIAN */ 1011 #endif /* CONFIG_FB_FOREIGN_ENDIAN */ 1012 } 1013 1014 /* drivers/video/fbsysfs.c */ 1015 extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev); 1016 extern void framebuffer_release(struct fb_info *info); 1017 extern int fb_init_device(struct fb_info *fb_info); 1018 extern void fb_cleanup_device(struct fb_info *head); 1019 extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max); 1020 1021 /* drivers/video/fbmon.c */ 1022 #define FB_MAXTIMINGS 0 1023 #define FB_VSYNCTIMINGS 1 1024 #define FB_HSYNCTIMINGS 2 1025 #define FB_DCLKTIMINGS 3 1026 #define FB_IGNOREMON 0x100 1027 1028 #define FB_MODE_IS_UNKNOWN 0 1029 #define FB_MODE_IS_DETAILED 1 1030 #define FB_MODE_IS_STANDARD 2 1031 #define FB_MODE_IS_VESA 4 1032 #define FB_MODE_IS_CALCULATED 8 1033 #define FB_MODE_IS_FIRST 16 1034 #define FB_MODE_IS_FROM_VAR 32 1035 1036 extern int fbmon_dpms(const struct fb_info *fb_info); 1037 extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, 1038 struct fb_info *info); 1039 extern int fb_validate_mode(const struct fb_var_screeninfo *var, 1040 struct fb_info *info); 1041 extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var); 1042 extern const unsigned char *fb_firmware_edid(struct device *device); 1043 extern void fb_edid_to_monspecs(unsigned char *edid, 1044 struct fb_monspecs *specs); 1045 extern void fb_destroy_modedb(struct fb_videomode *modedb); 1046 extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb); 1047 extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter); 1048 1049 /* drivers/video/modedb.c */ 1050 #define VESA_MODEDB_SIZE 34 1051 extern void fb_var_to_videomode(struct fb_videomode *mode, 1052 const struct fb_var_screeninfo *var); 1053 extern void fb_videomode_to_var(struct fb_var_screeninfo *var, 1054 const struct fb_videomode *mode); 1055 extern int fb_mode_is_equal(const struct fb_videomode *mode1, 1056 const struct fb_videomode *mode2); 1057 extern int fb_add_videomode(const struct fb_videomode *mode, 1058 struct list_head *head); 1059 extern void fb_delete_videomode(const struct fb_videomode *mode, 1060 struct list_head *head); 1061 extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var, 1062 struct list_head *head); 1063 extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var, 1064 struct list_head *head); 1065 extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode, 1066 struct list_head *head); 1067 extern void fb_destroy_modelist(struct list_head *head); 1068 extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num, 1069 struct list_head *head); 1070 extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs, 1071 struct list_head *head); 1072 1073 /* drivers/video/fbcmap.c */ 1074 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); 1075 extern void fb_dealloc_cmap(struct fb_cmap *cmap); 1076 extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to); 1077 extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to); 1078 extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info); 1079 extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info); 1080 extern const struct fb_cmap *fb_default_cmap(int len); 1081 extern void fb_invert_cmaps(void); 1082 1083 struct fb_videomode { 1084 const char *name; /* optional */ 1085 u32 refresh; /* optional */ 1086 u32 xres; 1087 u32 yres; 1088 u32 pixclock; 1089 u32 left_margin; 1090 u32 right_margin; 1091 u32 upper_margin; 1092 u32 lower_margin; 1093 u32 hsync_len; 1094 u32 vsync_len; 1095 u32 sync; 1096 u32 vmode; 1097 u32 flag; 1098 }; 1099 1100 extern const char *fb_mode_option; 1101 extern const struct fb_videomode vesa_modes[]; 1102 1103 struct fb_modelist { 1104 struct list_head list; 1105 struct fb_videomode mode; 1106 }; 1107 1108 extern int fb_find_mode(struct fb_var_screeninfo *var, 1109 struct fb_info *info, const char *mode_option, 1110 const struct fb_videomode *db, 1111 unsigned int dbsize, 1112 const struct fb_videomode *default_mode, 1113 unsigned int default_bpp); 1114 1115 #endif /* __KERNEL__ */ 1116 1117 #endif /* _LINUX_FB_H */ 1118