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