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