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