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