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