1 #ifndef _LINUX_FB_H 2 #define _LINUX_FB_H 3 4 #include <linux/types.h> 5 #include <linux/i2c.h> 6 #ifdef __KERNEL__ 7 #include <linux/kgdb.h> 8 #endif /* __KERNEL__ */ 9 10 /* Definitions of frame buffers */ 11 12 #define FB_MAX 32 /* sufficient for now */ 13 14 /* ioctls 15 0x46 is 'F' */ 16 #define FBIOGET_VSCREENINFO 0x4600 17 #define FBIOPUT_VSCREENINFO 0x4601 18 #define FBIOGET_FSCREENINFO 0x4602 19 #define FBIOGETCMAP 0x4604 20 #define FBIOPUTCMAP 0x4605 21 #define FBIOPAN_DISPLAY 0x4606 22 #ifdef __KERNEL__ 23 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user) 24 #else 25 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor) 26 #endif 27 /* 0x4607-0x460B are defined below */ 28 /* #define FBIOGET_MONITORSPEC 0x460C */ 29 /* #define FBIOPUT_MONITORSPEC 0x460D */ 30 /* #define FBIOSWITCH_MONIBIT 0x460E */ 31 #define FBIOGET_CON2FBMAP 0x460F 32 #define FBIOPUT_CON2FBMAP 0x4610 33 #define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */ 34 #define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank) 35 #define FBIO_ALLOC 0x4613 36 #define FBIO_FREE 0x4614 37 #define FBIOGET_GLYPH 0x4615 38 #define FBIOGET_HWCINFO 0x4616 39 #define FBIOPUT_MODEINFO 0x4617 40 #define FBIOGET_DISPINFO 0x4618 41 #define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32) 42 43 #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */ 44 #define FB_TYPE_PLANES 1 /* Non interleaved planes */ 45 #define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */ 46 #define FB_TYPE_TEXT 3 /* Text/attributes */ 47 #define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */ 48 49 #define FB_AUX_TEXT_MDA 0 /* Monochrome text */ 50 #define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */ 51 #define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */ 52 #define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */ 53 #define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */ 54 #define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */ 55 #define FB_AUX_TEXT_SVGA_MASK 7 /* lower three bits says step */ 56 #define FB_AUX_TEXT_SVGA_STEP2 8 /* SVGA text mode: text, attr */ 57 #define FB_AUX_TEXT_SVGA_STEP4 9 /* SVGA text mode: text, attr, 2 reserved bytes */ 58 #define FB_AUX_TEXT_SVGA_STEP8 10 /* SVGA text mode: text, attr, 6 reserved bytes */ 59 #define FB_AUX_TEXT_SVGA_STEP16 11 /* SVGA text mode: text, attr, 14 reserved bytes */ 60 #define FB_AUX_TEXT_SVGA_LAST 15 /* reserved up to 15 */ 61 62 #define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */ 63 #define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */ 64 #define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */ 65 66 #define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */ 67 #define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */ 68 #define FB_VISUAL_TRUECOLOR 2 /* True color */ 69 #define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */ 70 #define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */ 71 #define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */ 72 73 #define FB_ACCEL_NONE 0 /* no hardware accelerator */ 74 #define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */ 75 #define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */ 76 #define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */ 77 #define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */ 78 #define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */ 79 #define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */ 80 #define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */ 81 #define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */ 82 #define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */ 83 #define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */ 84 #define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */ 85 #define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */ 86 #define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */ 87 #define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */ 88 #define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */ 89 #define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */ 90 #define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */ 91 #define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */ 92 #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */ 93 #define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */ 94 #define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */ 95 #define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */ 96 #define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */ 97 #define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */ 98 #define FB_ACCEL_SUN_TCX 25 /* Sun tcx */ 99 #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */ 100 #define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */ 101 #define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */ 102 #define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */ 103 #define FB_ACCEL_CT_6555x 30 /* C&T 6555x */ 104 #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */ 105 #define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */ 106 #define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */ 107 #define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */ 108 #define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */ 109 #define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */ 110 #define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */ 111 #define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */ 112 #define FB_ACCEL_I810 39 /* Intel 810/815 */ 113 #define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */ 114 #define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */ 115 #define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */ 116 #define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */ 117 #define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */ 118 #define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */ 119 #define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */ 120 #define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */ 121 #define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */ 122 #define FB_ACCEL_OMAP1610 49 /* TI OMAP16xx */ 123 #define FB_ACCEL_TRIDENT_TGUI 50 /* Trident TGUI */ 124 #define FB_ACCEL_TRIDENT_3DIMAGE 51 /* Trident 3DImage */ 125 #define FB_ACCEL_TRIDENT_BLADE3D 52 /* Trident Blade3D */ 126 #define FB_ACCEL_TRIDENT_BLADEXP 53 /* Trident BladeXP */ 127 #define FB_ACCEL_CIRRUS_ALPINE 53 /* Cirrus Logic 543x/544x/5480 */ 128 #define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */ 129 #define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */ 130 #define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */ 131 #define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */ 132 #define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */ 133 #define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */ 134 #define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */ 135 #define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */ 136 #define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */ 137 #define FB_ACCEL_PXA3XX 99 /* PXA3xx */ 138 139 #define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */ 140 #define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */ 141 #define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */ 142 #define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */ 143 #define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */ 144 #define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */ 145 #define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */ 146 #define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */ 147 #define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */ 148 #define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */ 149 #define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */ 150 #define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */ 151 #define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */ 152 #define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */ 153 #define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */ 154 155 #define FB_ACCEL_PUV3_UNIGFX 0xa0 /* PKUnity-v3 Unigfx */ 156 157 struct fb_fix_screeninfo { 158 char id[16]; /* identification string eg "TT Builtin" */ 159 unsigned long smem_start; /* Start of frame buffer mem */ 160 /* (physical address) */ 161 __u32 smem_len; /* Length of frame buffer mem */ 162 __u32 type; /* see FB_TYPE_* */ 163 __u32 type_aux; /* Interleave for interleaved Planes */ 164 __u32 visual; /* see FB_VISUAL_* */ 165 __u16 xpanstep; /* zero if no hardware panning */ 166 __u16 ypanstep; /* zero if no hardware panning */ 167 __u16 ywrapstep; /* zero if no hardware ywrap */ 168 __u32 line_length; /* length of a line in bytes */ 169 unsigned long mmio_start; /* Start of Memory Mapped I/O */ 170 /* (physical address) */ 171 __u32 mmio_len; /* Length of Memory Mapped I/O */ 172 __u32 accel; /* Indicate to driver which */ 173 /* specific chip/card we have */ 174 __u16 reserved[3]; /* Reserved for future compatibility */ 175 }; 176 177 /* Interpretation of offset for color fields: All offsets are from the right, 178 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you 179 * can use the offset as right argument to <<). A pixel afterwards is a bit 180 * stream and is written to video memory as that unmodified. 181 * 182 * For pseudocolor: offset and length should be the same for all color 183 * components. Offset specifies the position of the least significant bit 184 * of the pallette index in a pixel value. Length indicates the number 185 * of available palette entries (i.e. # of entries = 1 << length). 186 */ 187 struct fb_bitfield { 188 __u32 offset; /* beginning of bitfield */ 189 __u32 length; /* length of bitfield */ 190 __u32 msb_right; /* != 0 : Most significant bit is */ 191 /* right */ 192 }; 193 194 #define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */ 195 #define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */ 196 197 #define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/ 198 #define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */ 199 #define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */ 200 #define FB_ACTIVATE_MASK 15 201 /* values */ 202 #define FB_ACTIVATE_VBL 16 /* activate values on next vbl */ 203 #define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */ 204 #define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */ 205 #define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/ 206 #define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */ 207 208 #define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */ 209 210 #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */ 211 #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */ 212 #define FB_SYNC_EXT 4 /* external sync */ 213 #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */ 214 #define FB_SYNC_BROADCAST 16 /* broadcast video timings */ 215 /* vtotal = 144d/288n/576i => PAL */ 216 /* vtotal = 121d/242n/484i => NTSC */ 217 #define FB_SYNC_ON_GREEN 32 /* sync on green */ 218 219 #define FB_VMODE_NONINTERLACED 0 /* non interlaced */ 220 #define FB_VMODE_INTERLACED 1 /* interlaced */ 221 #define FB_VMODE_DOUBLE 2 /* double scan */ 222 #define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */ 223 #define FB_VMODE_MASK 255 224 225 #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */ 226 #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ 227 #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ 228 229 #define FB_FLAG_RATIO_4_3 64 230 #define FB_FLAG_RATIO_16_9 128 231 #define FB_FLAG_PIXEL_REPEAT 256 232 233 /* 234 * Display rotation support 235 */ 236 #define FB_ROTATE_UR 0 237 #define FB_ROTATE_CW 1 238 #define FB_ROTATE_UD 2 239 #define FB_ROTATE_CCW 3 240 241 #define PICOS2KHZ(a) (1000000000UL/(a)) 242 #define KHZ2PICOS(a) (1000000000UL/(a)) 243 244 struct fb_var_screeninfo { 245 __u32 xres; /* visible resolution */ 246 __u32 yres; 247 __u32 xres_virtual; /* virtual resolution */ 248 __u32 yres_virtual; 249 __u32 xoffset; /* offset from virtual to visible */ 250 __u32 yoffset; /* resolution */ 251 252 __u32 bits_per_pixel; /* guess what */ 253 __u32 grayscale; /* != 0 Graylevels instead of colors */ 254 255 struct fb_bitfield red; /* bitfield in fb mem if true color, */ 256 struct fb_bitfield green; /* else only length is significant */ 257 struct fb_bitfield blue; 258 struct fb_bitfield transp; /* transparency */ 259 260 __u32 nonstd; /* != 0 Non standard pixel format */ 261 262 __u32 activate; /* see FB_ACTIVATE_* */ 263 264 __u32 height; /* height of picture in mm */ 265 __u32 width; /* width of picture in mm */ 266 267 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */ 268 269 /* Timing: All values in pixclocks, except pixclock (of course) */ 270 __u32 pixclock; /* pixel clock in ps (pico seconds) */ 271 __u32 left_margin; /* time from sync to picture */ 272 __u32 right_margin; /* time from picture to sync */ 273 __u32 upper_margin; /* time from sync to picture */ 274 __u32 lower_margin; 275 __u32 hsync_len; /* length of horizontal sync */ 276 __u32 vsync_len; /* length of vertical sync */ 277 __u32 sync; /* see FB_SYNC_* */ 278 __u32 vmode; /* see FB_VMODE_* */ 279 __u32 rotate; /* angle we rotate counter clockwise */ 280 __u32 reserved[5]; /* Reserved for future compatibility */ 281 }; 282 283 struct fb_cmap { 284 __u32 start; /* First entry */ 285 __u32 len; /* Number of entries */ 286 __u16 *red; /* Red values */ 287 __u16 *green; 288 __u16 *blue; 289 __u16 *transp; /* transparency, can be NULL */ 290 }; 291 292 struct fb_con2fbmap { 293 __u32 console; 294 __u32 framebuffer; 295 }; 296 297 /* VESA Blanking Levels */ 298 #define VESA_NO_BLANKING 0 299 #define VESA_VSYNC_SUSPEND 1 300 #define VESA_HSYNC_SUSPEND 2 301 #define VESA_POWERDOWN 3 302 303 304 enum { 305 /* screen: unblanked, hsync: on, vsync: on */ 306 FB_BLANK_UNBLANK = VESA_NO_BLANKING, 307 308 /* screen: blanked, hsync: on, vsync: on */ 309 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1, 310 311 /* screen: blanked, hsync: on, vsync: off */ 312 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1, 313 314 /* screen: blanked, hsync: off, vsync: on */ 315 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1, 316 317 /* screen: blanked, hsync: off, vsync: off */ 318 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1 319 }; 320 321 #define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */ 322 #define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */ 323 #define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */ 324 #define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */ 325 #define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */ 326 #define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */ 327 #define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */ 328 #define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */ 329 #define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */ 330 331 struct fb_vblank { 332 __u32 flags; /* FB_VBLANK flags */ 333 __u32 count; /* counter of retraces since boot */ 334 __u32 vcount; /* current scanline position */ 335 __u32 hcount; /* current scandot position */ 336 __u32 reserved[4]; /* reserved for future compatibility */ 337 }; 338 339 /* Internal HW accel */ 340 #define ROP_COPY 0 341 #define ROP_XOR 1 342 343 struct fb_copyarea { 344 __u32 dx; 345 __u32 dy; 346 __u32 width; 347 __u32 height; 348 __u32 sx; 349 __u32 sy; 350 }; 351 352 struct fb_fillrect { 353 __u32 dx; /* screen-relative */ 354 __u32 dy; 355 __u32 width; 356 __u32 height; 357 __u32 color; 358 __u32 rop; 359 }; 360 361 struct fb_image { 362 __u32 dx; /* Where to place image */ 363 __u32 dy; 364 __u32 width; /* Size of image */ 365 __u32 height; 366 __u32 fg_color; /* Only used when a mono bitmap */ 367 __u32 bg_color; 368 __u8 depth; /* Depth of the image */ 369 const char *data; /* Pointer to image data */ 370 struct fb_cmap cmap; /* color map info */ 371 }; 372 373 /* 374 * hardware cursor control 375 */ 376 377 #define FB_CUR_SETIMAGE 0x01 378 #define FB_CUR_SETPOS 0x02 379 #define FB_CUR_SETHOT 0x04 380 #define FB_CUR_SETCMAP 0x08 381 #define FB_CUR_SETSHAPE 0x10 382 #define FB_CUR_SETSIZE 0x20 383 #define FB_CUR_SETALL 0xFF 384 385 struct fbcurpos { 386 __u16 x, y; 387 }; 388 389 struct fb_cursor { 390 __u16 set; /* what to set */ 391 __u16 enable; /* cursor on/off */ 392 __u16 rop; /* bitop operation */ 393 const char *mask; /* cursor mask bits */ 394 struct fbcurpos hot; /* cursor hot spot */ 395 struct fb_image image; /* Cursor image */ 396 }; 397 398 #ifdef CONFIG_FB_BACKLIGHT 399 /* Settings for the generic backlight code */ 400 #define FB_BACKLIGHT_LEVELS 128 401 #define FB_BACKLIGHT_MAX 0xFF 402 #endif 403 404 #ifdef __KERNEL__ 405 406 #include <linux/fs.h> 407 #include <linux/init.h> 408 #include <linux/device.h> 409 #include <linux/workqueue.h> 410 #include <linux/notifier.h> 411 #include <linux/list.h> 412 #include <linux/backlight.h> 413 #include <linux/slab.h> 414 #include <asm/io.h> 415 416 struct vm_area_struct; 417 struct fb_info; 418 struct device; 419 struct file; 420 421 /* Definitions below are used in the parsed monitor specs */ 422 #define FB_DPMS_ACTIVE_OFF 1 423 #define FB_DPMS_SUSPEND 2 424 #define FB_DPMS_STANDBY 4 425 426 #define FB_DISP_DDI 1 427 #define FB_DISP_ANA_700_300 2 428 #define FB_DISP_ANA_714_286 4 429 #define FB_DISP_ANA_1000_400 8 430 #define FB_DISP_ANA_700_000 16 431 432 #define FB_DISP_MONO 32 433 #define FB_DISP_RGB 64 434 #define FB_DISP_MULTI 128 435 #define FB_DISP_UNKNOWN 256 436 437 #define FB_SIGNAL_NONE 0 438 #define FB_SIGNAL_BLANK_BLANK 1 439 #define FB_SIGNAL_SEPARATE 2 440 #define FB_SIGNAL_COMPOSITE 4 441 #define FB_SIGNAL_SYNC_ON_GREEN 8 442 #define FB_SIGNAL_SERRATION_ON 16 443 444 #define FB_MISC_PRIM_COLOR 1 445 #define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */ 446 struct fb_chroma { 447 __u32 redx; /* in fraction of 1024 */ 448 __u32 greenx; 449 __u32 bluex; 450 __u32 whitex; 451 __u32 redy; 452 __u32 greeny; 453 __u32 bluey; 454 __u32 whitey; 455 }; 456 457 struct fb_monspecs { 458 struct fb_chroma chroma; 459 struct fb_videomode *modedb; /* mode database */ 460 __u8 manufacturer[4]; /* Manufacturer */ 461 __u8 monitor[14]; /* Monitor String */ 462 __u8 serial_no[14]; /* Serial Number */ 463 __u8 ascii[14]; /* ? */ 464 __u32 modedb_len; /* mode database length */ 465 __u32 model; /* Monitor Model */ 466 __u32 serial; /* Serial Number - Integer */ 467 __u32 year; /* Year manufactured */ 468 __u32 week; /* Week Manufactured */ 469 __u32 hfmin; /* hfreq lower limit (Hz) */ 470 __u32 hfmax; /* hfreq upper limit (Hz) */ 471 __u32 dclkmin; /* pixelclock lower limit (Hz) */ 472 __u32 dclkmax; /* pixelclock upper limit (Hz) */ 473 __u16 input; /* display type - see FB_DISP_* */ 474 __u16 dpms; /* DPMS support - see FB_DPMS_ */ 475 __u16 signal; /* Signal Type - see FB_SIGNAL_* */ 476 __u16 vfmin; /* vfreq lower limit (Hz) */ 477 __u16 vfmax; /* vfreq upper limit (Hz) */ 478 __u16 gamma; /* Gamma - in fractions of 100 */ 479 __u16 gtf : 1; /* supports GTF */ 480 __u16 misc; /* Misc flags - see FB_MISC_* */ 481 __u8 version; /* EDID version... */ 482 __u8 revision; /* ...and revision */ 483 __u8 max_x; /* Maximum horizontal size (cm) */ 484 __u8 max_y; /* Maximum vertical size (cm) */ 485 }; 486 487 struct fb_cmap_user { 488 __u32 start; /* First entry */ 489 __u32 len; /* Number of entries */ 490 __u16 __user *red; /* Red values */ 491 __u16 __user *green; 492 __u16 __user *blue; 493 __u16 __user *transp; /* transparency, can be NULL */ 494 }; 495 496 struct fb_image_user { 497 __u32 dx; /* Where to place image */ 498 __u32 dy; 499 __u32 width; /* Size of image */ 500 __u32 height; 501 __u32 fg_color; /* Only used when a mono bitmap */ 502 __u32 bg_color; 503 __u8 depth; /* Depth of the image */ 504 const char __user *data; /* Pointer to image data */ 505 struct fb_cmap_user cmap; /* color map info */ 506 }; 507 508 struct fb_cursor_user { 509 __u16 set; /* what to set */ 510 __u16 enable; /* cursor on/off */ 511 __u16 rop; /* bitop operation */ 512 const char __user *mask; /* cursor mask bits */ 513 struct fbcurpos hot; /* cursor hot spot */ 514 struct fb_image_user image; /* Cursor image */ 515 }; 516 517 /* 518 * Register/unregister for framebuffer events 519 */ 520 521 /* The resolution of the passed in fb_info about to change */ 522 #define FB_EVENT_MODE_CHANGE 0x01 523 /* The display on this fb_info is beeing suspended, no access to the 524 * framebuffer is allowed any more after that call returns 525 */ 526 #define FB_EVENT_SUSPEND 0x02 527 /* The display on this fb_info was resumed, you can restore the display 528 * if you own it 529 */ 530 #define FB_EVENT_RESUME 0x03 531 /* An entry from the modelist was removed */ 532 #define FB_EVENT_MODE_DELETE 0x04 533 /* A driver registered itself */ 534 #define FB_EVENT_FB_REGISTERED 0x05 535 /* A driver unregistered itself */ 536 #define FB_EVENT_FB_UNREGISTERED 0x06 537 /* CONSOLE-SPECIFIC: get console to framebuffer mapping */ 538 #define FB_EVENT_GET_CONSOLE_MAP 0x07 539 /* CONSOLE-SPECIFIC: set console to framebuffer mapping */ 540 #define FB_EVENT_SET_CONSOLE_MAP 0x08 541 /* A hardware display blank change occurred */ 542 #define FB_EVENT_BLANK 0x09 543 /* Private modelist is to be replaced */ 544 #define FB_EVENT_NEW_MODELIST 0x0A 545 /* The resolution of the passed in fb_info about to change and 546 all vc's should be changed */ 547 #define FB_EVENT_MODE_CHANGE_ALL 0x0B 548 /* A software display blank change occurred */ 549 #define FB_EVENT_CONBLANK 0x0C 550 /* Get drawing requirements */ 551 #define FB_EVENT_GET_REQ 0x0D 552 /* Unbind from the console if possible */ 553 #define FB_EVENT_FB_UNBIND 0x0E 554 /* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga switcheroo */ 555 #define FB_EVENT_REMAP_ALL_CONSOLE 0x0F 556 557 struct fb_event { 558 struct fb_info *info; 559 void *data; 560 }; 561 562 struct fb_blit_caps { 563 u32 x; 564 u32 y; 565 u32 len; 566 u32 flags; 567 }; 568 569 extern int fb_register_client(struct notifier_block *nb); 570 extern int fb_unregister_client(struct notifier_block *nb); 571 extern int fb_notifier_call_chain(unsigned long val, void *v); 572 /* 573 * Pixmap structure definition 574 * 575 * The purpose of this structure is to translate data 576 * from the hardware independent format of fbdev to what 577 * format the hardware needs. 578 */ 579 580 #define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */ 581 #define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */ 582 #define FB_PIXMAP_IO 4 /* memory is iomapped */ 583 #define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */ 584 585 struct fb_pixmap { 586 u8 *addr; /* pointer to memory */ 587 u32 size; /* size of buffer in bytes */ 588 u32 offset; /* current offset to buffer */ 589 u32 buf_align; /* byte alignment of each bitmap */ 590 u32 scan_align; /* alignment per scanline */ 591 u32 access_align; /* alignment per read/write (bits) */ 592 u32 flags; /* see FB_PIXMAP_* */ 593 u32 blit_x; /* supported bit block dimensions (1-32)*/ 594 u32 blit_y; /* Format: blit_x = 1 << (width - 1) */ 595 /* blit_y = 1 << (height - 1) */ 596 /* if 0, will be set to 0xffffffff (all)*/ 597 /* access methods */ 598 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size); 599 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size); 600 }; 601 602 #ifdef CONFIG_FB_DEFERRED_IO 603 struct fb_deferred_io { 604 /* delay between mkwrite and deferred handler */ 605 unsigned long delay; 606 struct mutex lock; /* mutex that protects the page list */ 607 struct list_head pagelist; /* list of touched pages */ 608 /* callback */ 609 void (*deferred_io)(struct fb_info *info, struct list_head *pagelist); 610 }; 611 #endif 612 613 /* 614 * Frame buffer operations 615 * 616 * LOCKING NOTE: those functions must _ALL_ be called with the console 617 * semaphore held, this is the only suitable locking mechanism we have 618 * in 2.6. Some may be called at interrupt time at this point though. 619 * 620 * The exception to this is the debug related hooks. Putting the fb 621 * into a debug state (e.g. flipping to the kernel console) and restoring 622 * it must be done in a lock-free manner, so low level drivers should 623 * keep track of the initial console (if applicable) and may need to 624 * perform direct, unlocked hardware writes in these hooks. 625 */ 626 627 struct fb_ops { 628 /* open/release and usage marking */ 629 struct module *owner; 630 int (*fb_open)(struct fb_info *info, int user); 631 int (*fb_release)(struct fb_info *info, int user); 632 633 /* For framebuffers with strange non linear layouts or that do not 634 * work with normal memory mapped access 635 */ 636 ssize_t (*fb_read)(struct fb_info *info, char __user *buf, 637 size_t count, loff_t *ppos); 638 ssize_t (*fb_write)(struct fb_info *info, const char __user *buf, 639 size_t count, loff_t *ppos); 640 641 /* checks var and eventually tweaks it to something supported, 642 * DO NOT MODIFY PAR */ 643 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info); 644 645 /* set the video mode according to info->var */ 646 int (*fb_set_par)(struct fb_info *info); 647 648 /* set color register */ 649 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green, 650 unsigned blue, unsigned transp, struct fb_info *info); 651 652 /* set color registers in batch */ 653 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info); 654 655 /* blank display */ 656 int (*fb_blank)(int blank, struct fb_info *info); 657 658 /* pan display */ 659 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info); 660 661 /* Draws a rectangle */ 662 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect); 663 /* Copy data from area to another */ 664 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region); 665 /* Draws a image to the display */ 666 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image); 667 668 /* Draws cursor */ 669 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor); 670 671 /* Rotates the display */ 672 void (*fb_rotate)(struct fb_info *info, int angle); 673 674 /* wait for blit idle, optional */ 675 int (*fb_sync)(struct fb_info *info); 676 677 /* perform fb specific ioctl (optional) */ 678 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd, 679 unsigned long arg); 680 681 /* Handle 32bit compat ioctl (optional) */ 682 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd, 683 unsigned long arg); 684 685 /* perform fb specific mmap */ 686 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma); 687 688 /* get capability given var */ 689 void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps, 690 struct fb_var_screeninfo *var); 691 692 /* teardown any resources to do with this framebuffer */ 693 void (*fb_destroy)(struct fb_info *info); 694 695 /* called at KDB enter and leave time to prepare the console */ 696 int (*fb_debug_enter)(struct fb_info *info); 697 int (*fb_debug_leave)(struct fb_info *info); 698 }; 699 700 #ifdef CONFIG_FB_TILEBLITTING 701 #define FB_TILE_CURSOR_NONE 0 702 #define FB_TILE_CURSOR_UNDERLINE 1 703 #define FB_TILE_CURSOR_LOWER_THIRD 2 704 #define FB_TILE_CURSOR_LOWER_HALF 3 705 #define FB_TILE_CURSOR_TWO_THIRDS 4 706 #define FB_TILE_CURSOR_BLOCK 5 707 708 struct fb_tilemap { 709 __u32 width; /* width of each tile in pixels */ 710 __u32 height; /* height of each tile in scanlines */ 711 __u32 depth; /* color depth of each tile */ 712 __u32 length; /* number of tiles in the map */ 713 const __u8 *data; /* actual tile map: a bitmap array, packed 714 to the nearest byte */ 715 }; 716 717 struct fb_tilerect { 718 __u32 sx; /* origin in the x-axis */ 719 __u32 sy; /* origin in the y-axis */ 720 __u32 width; /* number of tiles in the x-axis */ 721 __u32 height; /* number of tiles in the y-axis */ 722 __u32 index; /* what tile to use: index to tile map */ 723 __u32 fg; /* foreground color */ 724 __u32 bg; /* background color */ 725 __u32 rop; /* raster operation */ 726 }; 727 728 struct fb_tilearea { 729 __u32 sx; /* source origin in the x-axis */ 730 __u32 sy; /* source origin in the y-axis */ 731 __u32 dx; /* destination origin in the x-axis */ 732 __u32 dy; /* destination origin in the y-axis */ 733 __u32 width; /* number of tiles in the x-axis */ 734 __u32 height; /* number of tiles in the y-axis */ 735 }; 736 737 struct fb_tileblit { 738 __u32 sx; /* origin in the x-axis */ 739 __u32 sy; /* origin in the y-axis */ 740 __u32 width; /* number of tiles in the x-axis */ 741 __u32 height; /* number of tiles in the y-axis */ 742 __u32 fg; /* foreground color */ 743 __u32 bg; /* background color */ 744 __u32 length; /* number of tiles to draw */ 745 __u32 *indices; /* array of indices to tile map */ 746 }; 747 748 struct fb_tilecursor { 749 __u32 sx; /* cursor position in the x-axis */ 750 __u32 sy; /* cursor position in the y-axis */ 751 __u32 mode; /* 0 = erase, 1 = draw */ 752 __u32 shape; /* see FB_TILE_CURSOR_* */ 753 __u32 fg; /* foreground color */ 754 __u32 bg; /* background color */ 755 }; 756 757 struct fb_tile_ops { 758 /* set tile characteristics */ 759 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map); 760 761 /* all dimensions from hereon are in terms of tiles */ 762 763 /* move a rectangular region of tiles from one area to another*/ 764 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area); 765 /* fill a rectangular region with a tile */ 766 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect); 767 /* copy an array of tiles */ 768 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit); 769 /* cursor */ 770 void (*fb_tilecursor)(struct fb_info *info, 771 struct fb_tilecursor *cursor); 772 /* get maximum length of the tile map */ 773 int (*fb_get_tilemax)(struct fb_info *info); 774 }; 775 #endif /* CONFIG_FB_TILEBLITTING */ 776 777 /* FBINFO_* = fb_info.flags bit flags */ 778 #define FBINFO_MODULE 0x0001 /* Low-level driver is a module */ 779 #define FBINFO_HWACCEL_DISABLED 0x0002 780 /* When FBINFO_HWACCEL_DISABLED is set: 781 * Hardware acceleration is turned off. Software implementations 782 * of required functions (copyarea(), fillrect(), and imageblit()) 783 * takes over; acceleration engine should be in a quiescent state */ 784 785 /* hints */ 786 #define FBINFO_VIRTFB 0x0004 /* FB is System RAM, not device. */ 787 #define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */ 788 #define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */ 789 790 /* hardware supported ops */ 791 /* semantics: when a bit is set, it indicates that the operation is 792 * accelerated by hardware. 793 * required functions will still work even if the bit is not set. 794 * optional functions may not even exist if the flag bit is not set. 795 */ 796 #define FBINFO_HWACCEL_NONE 0x0000 797 #define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */ 798 #define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */ 799 #define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */ 800 #define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */ 801 #define FBINFO_HWACCEL_XPAN 0x1000 /* optional */ 802 #define FBINFO_HWACCEL_YPAN 0x2000 /* optional */ 803 #define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */ 804 805 #define FBINFO_MISC_USEREVENT 0x10000 /* event request 806 from userspace */ 807 #define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */ 808 809 /* A driver may set this flag to indicate that it does want a set_par to be 810 * called every time when fbcon_switch is executed. The advantage is that with 811 * this flag set you can really be sure that set_par is always called before 812 * any of the functions dependent on the correct hardware state or altering 813 * that state, even if you are using some broken X releases. The disadvantage 814 * is that it introduces unwanted delays to every console switch if set_par 815 * is slow. It is a good idea to try this flag in the drivers initialization 816 * code whenever there is a bug report related to switching between X and the 817 * framebuffer console. 818 */ 819 #define FBINFO_MISC_ALWAYS_SETPAR 0x40000 820 821 /* where the fb is a firmware driver, and can be replaced with a proper one */ 822 #define FBINFO_MISC_FIRMWARE 0x80000 823 /* 824 * Host and GPU endianness differ. 825 */ 826 #define FBINFO_FOREIGN_ENDIAN 0x100000 827 /* 828 * Big endian math. This is the same flags as above, but with different 829 * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag 830 * and host endianness. Drivers should not use this flag. 831 */ 832 #define FBINFO_BE_MATH 0x100000 833 834 /* report to the VT layer that this fb driver can accept forced console 835 output like oopses */ 836 #define FBINFO_CAN_FORCE_OUTPUT 0x200000 837 838 struct fb_info { 839 atomic_t count; 840 int node; 841 int flags; 842 struct mutex lock; /* Lock for open/release/ioctl funcs */ 843 struct mutex mm_lock; /* Lock for fb_mmap and smem_* fields */ 844 struct fb_var_screeninfo var; /* Current var */ 845 struct fb_fix_screeninfo fix; /* Current fix */ 846 struct fb_monspecs monspecs; /* Current Monitor specs */ 847 struct work_struct queue; /* Framebuffer event queue */ 848 struct fb_pixmap pixmap; /* Image hardware mapper */ 849 struct fb_pixmap sprite; /* Cursor hardware mapper */ 850 struct fb_cmap cmap; /* Current cmap */ 851 struct list_head modelist; /* mode list */ 852 struct fb_videomode *mode; /* current mode */ 853 854 #ifdef CONFIG_FB_BACKLIGHT 855 /* assigned backlight device */ 856 /* set before framebuffer registration, 857 remove after unregister */ 858 struct backlight_device *bl_dev; 859 860 /* Backlight level curve */ 861 struct mutex bl_curve_mutex; 862 u8 bl_curve[FB_BACKLIGHT_LEVELS]; 863 #endif 864 #ifdef CONFIG_FB_DEFERRED_IO 865 struct delayed_work deferred_work; 866 struct fb_deferred_io *fbdefio; 867 #endif 868 869 struct fb_ops *fbops; 870 struct device *device; /* This is the parent */ 871 struct device *dev; /* This is this fb device */ 872 int class_flag; /* private sysfs flags */ 873 #ifdef CONFIG_FB_TILEBLITTING 874 struct fb_tile_ops *tileops; /* Tile Blitting */ 875 #endif 876 char __iomem *screen_base; /* Virtual address */ 877 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */ 878 void *pseudo_palette; /* Fake palette of 16 colors */ 879 #define FBINFO_STATE_RUNNING 0 880 #define FBINFO_STATE_SUSPENDED 1 881 u32 state; /* Hardware state i.e suspend */ 882 void *fbcon_par; /* fbcon use-only private area */ 883 /* From here on everything is device dependent */ 884 void *par; 885 /* we need the PCI or similar aperture base/size not 886 smem_start/size as smem_start may just be an object 887 allocated inside the aperture so may not actually overlap */ 888 struct apertures_struct { 889 unsigned int count; 890 struct aperture { 891 resource_size_t base; 892 resource_size_t size; 893 } ranges[0]; 894 } *apertures; 895 }; 896 897 static inline struct apertures_struct *alloc_apertures(unsigned int max_num) { 898 struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct) 899 + max_num * sizeof(struct aperture), GFP_KERNEL); 900 if (!a) 901 return NULL; 902 a->count = max_num; 903 return a; 904 } 905 906 #ifdef MODULE 907 #define FBINFO_DEFAULT FBINFO_MODULE 908 #else 909 #define FBINFO_DEFAULT 0 910 #endif 911 912 // This will go away 913 #define FBINFO_FLAG_MODULE FBINFO_MODULE 914 #define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT 915 916 /* This will go away 917 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags 918 * when it wants to turn the acceleration engine on. This is 919 * really a separate operation, and should be modified via sysfs. 920 * But for now, we leave it broken with the following define 921 */ 922 #define STUPID_ACCELF_TEXT_SHIT 923 924 // This will go away 925 #if defined(__sparc__) 926 927 /* We map all of our framebuffers such that big-endian accesses 928 * are what we want, so the following is sufficient. 929 */ 930 931 // This will go away 932 #define fb_readb sbus_readb 933 #define fb_readw sbus_readw 934 #define fb_readl sbus_readl 935 #define fb_readq sbus_readq 936 #define fb_writeb sbus_writeb 937 #define fb_writew sbus_writew 938 #define fb_writel sbus_writel 939 #define fb_writeq sbus_writeq 940 #define fb_memset sbus_memset_io 941 #define fb_memcpy_fromfb sbus_memcpy_fromio 942 #define fb_memcpy_tofb sbus_memcpy_toio 943 944 #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__) 945 946 #define fb_readb __raw_readb 947 #define fb_readw __raw_readw 948 #define fb_readl __raw_readl 949 #define fb_readq __raw_readq 950 #define fb_writeb __raw_writeb 951 #define fb_writew __raw_writew 952 #define fb_writel __raw_writel 953 #define fb_writeq __raw_writeq 954 #define fb_memset memset_io 955 #define fb_memcpy_fromfb memcpy_fromio 956 #define fb_memcpy_tofb memcpy_toio 957 958 #else 959 960 #define fb_readb(addr) (*(volatile u8 *) (addr)) 961 #define fb_readw(addr) (*(volatile u16 *) (addr)) 962 #define fb_readl(addr) (*(volatile u32 *) (addr)) 963 #define fb_readq(addr) (*(volatile u64 *) (addr)) 964 #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b)) 965 #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b)) 966 #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b)) 967 #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b)) 968 #define fb_memset memset 969 #define fb_memcpy_fromfb memcpy 970 #define fb_memcpy_tofb memcpy 971 972 #endif 973 974 #define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0) 975 #define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \ 976 (val) << (bits)) 977 #define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \ 978 (val) >> (bits)) 979 980 /* 981 * `Generic' versions of the frame buffer device operations 982 */ 983 984 extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var); 985 extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var); 986 extern int fb_blank(struct fb_info *info, int blank); 987 extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 988 extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); 989 extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image); 990 /* 991 * Drawing operations where framebuffer is in system RAM 992 */ 993 extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 994 extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area); 995 extern void sys_imageblit(struct fb_info *info, const struct fb_image *image); 996 extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf, 997 size_t count, loff_t *ppos); 998 extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf, 999 size_t count, loff_t *ppos); 1000 1001 /* drivers/video/fbmem.c */ 1002 extern int register_framebuffer(struct fb_info *fb_info); 1003 extern int unregister_framebuffer(struct fb_info *fb_info); 1004 extern void remove_conflicting_framebuffers(struct apertures_struct *a, 1005 const char *name, bool primary); 1006 extern int fb_prepare_logo(struct fb_info *fb_info, int rotate); 1007 extern int fb_show_logo(struct fb_info *fb_info, int rotate); 1008 extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size); 1009 extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx, 1010 u32 height, u32 shift_high, u32 shift_low, u32 mod); 1011 extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height); 1012 extern void fb_set_suspend(struct fb_info *info, int state); 1013 extern int fb_get_color_depth(struct fb_var_screeninfo *var, 1014 struct fb_fix_screeninfo *fix); 1015 extern int fb_get_options(char *name, char **option); 1016 extern int fb_new_modelist(struct fb_info *info); 1017 1018 extern struct fb_info *registered_fb[FB_MAX]; 1019 extern int num_registered_fb; 1020 extern struct class *fb_class; 1021 1022 extern int lock_fb_info(struct fb_info *info); 1023 1024 static inline void unlock_fb_info(struct fb_info *info) 1025 { 1026 mutex_unlock(&info->lock); 1027 } 1028 1029 static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, 1030 u8 *src, u32 s_pitch, u32 height) 1031 { 1032 int i, j; 1033 1034 d_pitch -= s_pitch; 1035 1036 for (i = height; i--; ) { 1037 /* s_pitch is a few bytes at the most, memcpy is suboptimal */ 1038 for (j = 0; j < s_pitch; j++) 1039 *dst++ = *src++; 1040 dst += d_pitch; 1041 } 1042 } 1043 1044 /* drivers/video/fb_defio.c */ 1045 extern void fb_deferred_io_init(struct fb_info *info); 1046 extern void fb_deferred_io_open(struct fb_info *info, 1047 struct inode *inode, 1048 struct file *file); 1049 extern void fb_deferred_io_cleanup(struct fb_info *info); 1050 extern int fb_deferred_io_fsync(struct file *file, int datasync); 1051 1052 static inline bool fb_be_math(struct fb_info *info) 1053 { 1054 #ifdef CONFIG_FB_FOREIGN_ENDIAN 1055 #if defined(CONFIG_FB_BOTH_ENDIAN) 1056 return info->flags & FBINFO_BE_MATH; 1057 #elif defined(CONFIG_FB_BIG_ENDIAN) 1058 return true; 1059 #elif defined(CONFIG_FB_LITTLE_ENDIAN) 1060 return false; 1061 #endif /* CONFIG_FB_BOTH_ENDIAN */ 1062 #else 1063 #ifdef __BIG_ENDIAN 1064 return true; 1065 #else 1066 return false; 1067 #endif /* __BIG_ENDIAN */ 1068 #endif /* CONFIG_FB_FOREIGN_ENDIAN */ 1069 } 1070 1071 /* drivers/video/fbsysfs.c */ 1072 extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev); 1073 extern void framebuffer_release(struct fb_info *info); 1074 extern int fb_init_device(struct fb_info *fb_info); 1075 extern void fb_cleanup_device(struct fb_info *head); 1076 extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max); 1077 1078 /* drivers/video/fbmon.c */ 1079 #define FB_MAXTIMINGS 0 1080 #define FB_VSYNCTIMINGS 1 1081 #define FB_HSYNCTIMINGS 2 1082 #define FB_DCLKTIMINGS 3 1083 #define FB_IGNOREMON 0x100 1084 1085 #define FB_MODE_IS_UNKNOWN 0 1086 #define FB_MODE_IS_DETAILED 1 1087 #define FB_MODE_IS_STANDARD 2 1088 #define FB_MODE_IS_VESA 4 1089 #define FB_MODE_IS_CALCULATED 8 1090 #define FB_MODE_IS_FIRST 16 1091 #define FB_MODE_IS_FROM_VAR 32 1092 1093 extern int fbmon_dpms(const struct fb_info *fb_info); 1094 extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, 1095 struct fb_info *info); 1096 extern int fb_validate_mode(const struct fb_var_screeninfo *var, 1097 struct fb_info *info); 1098 extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var); 1099 extern const unsigned char *fb_firmware_edid(struct device *device); 1100 extern void fb_edid_to_monspecs(unsigned char *edid, 1101 struct fb_monspecs *specs); 1102 extern void fb_edid_add_monspecs(unsigned char *edid, 1103 struct fb_monspecs *specs); 1104 extern void fb_destroy_modedb(struct fb_videomode *modedb); 1105 extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb); 1106 extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter); 1107 1108 /* drivers/video/modedb.c */ 1109 #define VESA_MODEDB_SIZE 34 1110 #define CEA_MODEDB_SIZE 65 1111 extern void fb_var_to_videomode(struct fb_videomode *mode, 1112 const struct fb_var_screeninfo *var); 1113 extern void fb_videomode_to_var(struct fb_var_screeninfo *var, 1114 const struct fb_videomode *mode); 1115 extern int fb_mode_is_equal(const struct fb_videomode *mode1, 1116 const struct fb_videomode *mode2); 1117 extern int fb_add_videomode(const struct fb_videomode *mode, 1118 struct list_head *head); 1119 extern void fb_delete_videomode(const struct fb_videomode *mode, 1120 struct list_head *head); 1121 extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var, 1122 struct list_head *head); 1123 extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var, 1124 struct list_head *head); 1125 extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode, 1126 struct list_head *head); 1127 extern void fb_destroy_modelist(struct list_head *head); 1128 extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num, 1129 struct list_head *head); 1130 extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs, 1131 struct list_head *head); 1132 1133 /* drivers/video/fbcmap.c */ 1134 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); 1135 extern int fb_alloc_cmap_gfp(struct fb_cmap *cmap, int len, int transp, gfp_t flags); 1136 extern void fb_dealloc_cmap(struct fb_cmap *cmap); 1137 extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to); 1138 extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to); 1139 extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info); 1140 extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info); 1141 extern const struct fb_cmap *fb_default_cmap(int len); 1142 extern void fb_invert_cmaps(void); 1143 1144 struct fb_videomode { 1145 const char *name; /* optional */ 1146 u32 refresh; /* optional */ 1147 u32 xres; 1148 u32 yres; 1149 u32 pixclock; 1150 u32 left_margin; 1151 u32 right_margin; 1152 u32 upper_margin; 1153 u32 lower_margin; 1154 u32 hsync_len; 1155 u32 vsync_len; 1156 u32 sync; 1157 u32 vmode; 1158 u32 flag; 1159 }; 1160 1161 extern const char *fb_mode_option; 1162 extern const struct fb_videomode vesa_modes[]; 1163 extern const struct fb_videomode cea_modes[]; 1164 1165 struct fb_modelist { 1166 struct list_head list; 1167 struct fb_videomode mode; 1168 }; 1169 1170 extern int fb_find_mode(struct fb_var_screeninfo *var, 1171 struct fb_info *info, const char *mode_option, 1172 const struct fb_videomode *db, 1173 unsigned int dbsize, 1174 const struct fb_videomode *default_mode, 1175 unsigned int default_bpp); 1176 1177 #endif /* __KERNEL__ */ 1178 1179 #endif /* _LINUX_FB_H */ 1180
