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