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