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