1 #ifndef _LINUX_FB_H 2 #define _LINUX_FB_H 3 4 #include <linux/types.h> 5 #include <linux/i2c.h> 6 #ifdef __KERNEL__ 7 #include <linux/kgdb.h> 8 #endif /* __KERNEL__ */ 9 10 /* Definitions of frame buffers */ 11 12 #define FB_MAX 32 /* sufficient for now */ 13 14 /* ioctls 15 0x46 is 'F' */ 16 #define FBIOGET_VSCREENINFO 0x4600 17 #define FBIOPUT_VSCREENINFO 0x4601 18 #define FBIOGET_FSCREENINFO 0x4602 19 #define FBIOGETCMAP 0x4604 20 #define FBIOPUTCMAP 0x4605 21 #define FBIOPAN_DISPLAY 0x4606 22 #ifdef __KERNEL__ 23 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user) 24 #else 25 #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor) 26 #endif 27 /* 0x4607-0x460B are defined below */ 28 /* #define FBIOGET_MONITORSPEC 0x460C */ 29 /* #define FBIOPUT_MONITORSPEC 0x460D */ 30 /* #define FBIOSWITCH_MONIBIT 0x460E */ 31 #define FBIOGET_CON2FBMAP 0x460F 32 #define FBIOPUT_CON2FBMAP 0x4610 33 #define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */ 34 #define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank) 35 #define FBIO_ALLOC 0x4613 36 #define FBIO_FREE 0x4614 37 #define FBIOGET_GLYPH 0x4615 38 #define FBIOGET_HWCINFO 0x4616 39 #define FBIOPUT_MODEINFO 0x4617 40 #define FBIOGET_DISPINFO 0x4618 41 #define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32) 42 43 #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */ 44 #define FB_TYPE_PLANES 1 /* Non interleaved planes */ 45 #define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */ 46 #define FB_TYPE_TEXT 3 /* Text/attributes */ 47 #define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */ 48 49 #define FB_AUX_TEXT_MDA 0 /* Monochrome text */ 50 #define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */ 51 #define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */ 52 #define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */ 53 #define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */ 54 #define FB_AUX_TEXT_SVGA_GROUP 8 /* 8-15: SVGA tileblit compatible modes */ 55 #define FB_AUX_TEXT_SVGA_MASK 7 /* lower three bits says step */ 56 #define FB_AUX_TEXT_SVGA_STEP2 8 /* SVGA text mode: text, attr */ 57 #define FB_AUX_TEXT_SVGA_STEP4 9 /* SVGA text mode: text, attr, 2 reserved bytes */ 58 #define FB_AUX_TEXT_SVGA_STEP8 10 /* SVGA text mode: text, attr, 6 reserved bytes */ 59 #define FB_AUX_TEXT_SVGA_STEP16 11 /* SVGA text mode: text, attr, 14 reserved bytes */ 60 #define FB_AUX_TEXT_SVGA_LAST 15 /* reserved up to 15 */ 61 62 #define FB_AUX_VGA_PLANES_VGA4 0 /* 16 color planes (EGA/VGA) */ 63 #define FB_AUX_VGA_PLANES_CFB4 1 /* CFB4 in planes (VGA) */ 64 #define FB_AUX_VGA_PLANES_CFB8 2 /* CFB8 in planes (VGA) */ 65 66 #define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */ 67 #define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */ 68 #define FB_VISUAL_TRUECOLOR 2 /* True color */ 69 #define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */ 70 #define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */ 71 #define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */ 72 73 #define FB_ACCEL_NONE 0 /* no hardware accelerator */ 74 #define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */ 75 #define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */ 76 #define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */ 77 #define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */ 78 #define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */ 79 #define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */ 80 #define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */ 81 #define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */ 82 #define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */ 83 #define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */ 84 #define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */ 85 #define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */ 86 #define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */ 87 #define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */ 88 #define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */ 89 #define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */ 90 #define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */ 91 #define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */ 92 #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */ 93 #define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */ 94 #define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */ 95 #define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */ 96 #define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */ 97 #define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */ 98 #define FB_ACCEL_SUN_TCX 25 /* Sun tcx */ 99 #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */ 100 #define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */ 101 #define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */ 102 #define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */ 103 #define FB_ACCEL_CT_6555x 30 /* C&T 6555x */ 104 #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */ 105 #define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */ 106 #define FB_ACCEL_IGS_CYBER2000 33 /* CyberPro 2000 */ 107 #define FB_ACCEL_IGS_CYBER2010 34 /* CyberPro 2010 */ 108 #define FB_ACCEL_IGS_CYBER5000 35 /* CyberPro 5000 */ 109 #define FB_ACCEL_SIS_GLAMOUR 36 /* SiS 300/630/540 */ 110 #define FB_ACCEL_3DLABS_PERMEDIA3 37 /* 3Dlabs Permedia 3 */ 111 #define FB_ACCEL_ATI_RADEON 38 /* ATI Radeon family */ 112 #define FB_ACCEL_I810 39 /* Intel 810/815 */ 113 #define FB_ACCEL_SIS_GLAMOUR_2 40 /* SiS 315, 650, 740 */ 114 #define FB_ACCEL_SIS_XABRE 41 /* SiS 330 ("Xabre") */ 115 #define FB_ACCEL_I830 42 /* Intel 830M/845G/85x/865G */ 116 #define FB_ACCEL_NV_10 43 /* nVidia Arch 10 */ 117 #define FB_ACCEL_NV_20 44 /* nVidia Arch 20 */ 118 #define FB_ACCEL_NV_30 45 /* nVidia Arch 30 */ 119 #define FB_ACCEL_NV_40 46 /* nVidia Arch 40 */ 120 #define FB_ACCEL_XGI_VOLARI_V 47 /* XGI Volari V3XT, V5, V8 */ 121 #define FB_ACCEL_XGI_VOLARI_Z 48 /* XGI Volari Z7 */ 122 #define FB_ACCEL_OMAP1610 49 /* TI OMAP16xx */ 123 #define FB_ACCEL_TRIDENT_TGUI 50 /* Trident TGUI */ 124 #define FB_ACCEL_TRIDENT_3DIMAGE 51 /* Trident 3DImage */ 125 #define FB_ACCEL_TRIDENT_BLADE3D 52 /* Trident Blade3D */ 126 #define FB_ACCEL_TRIDENT_BLADEXP 53 /* Trident BladeXP */ 127 #define FB_ACCEL_CIRRUS_ALPINE 53 /* Cirrus Logic 543x/544x/5480 */ 128 #define FB_ACCEL_NEOMAGIC_NM2070 90 /* NeoMagic NM2070 */ 129 #define FB_ACCEL_NEOMAGIC_NM2090 91 /* NeoMagic NM2090 */ 130 #define FB_ACCEL_NEOMAGIC_NM2093 92 /* NeoMagic NM2093 */ 131 #define FB_ACCEL_NEOMAGIC_NM2097 93 /* NeoMagic NM2097 */ 132 #define FB_ACCEL_NEOMAGIC_NM2160 94 /* NeoMagic NM2160 */ 133 #define FB_ACCEL_NEOMAGIC_NM2200 95 /* NeoMagic NM2200 */ 134 #define FB_ACCEL_NEOMAGIC_NM2230 96 /* NeoMagic NM2230 */ 135 #define FB_ACCEL_NEOMAGIC_NM2360 97 /* NeoMagic NM2360 */ 136 #define FB_ACCEL_NEOMAGIC_NM2380 98 /* NeoMagic NM2380 */ 137 #define FB_ACCEL_PXA3XX 99 /* PXA3xx */ 138 139 #define FB_ACCEL_SAVAGE4 0x80 /* S3 Savage4 */ 140 #define FB_ACCEL_SAVAGE3D 0x81 /* S3 Savage3D */ 141 #define FB_ACCEL_SAVAGE3D_MV 0x82 /* S3 Savage3D-MV */ 142 #define FB_ACCEL_SAVAGE2000 0x83 /* S3 Savage2000 */ 143 #define FB_ACCEL_SAVAGE_MX_MV 0x84 /* S3 Savage/MX-MV */ 144 #define FB_ACCEL_SAVAGE_MX 0x85 /* S3 Savage/MX */ 145 #define FB_ACCEL_SAVAGE_IX_MV 0x86 /* S3 Savage/IX-MV */ 146 #define FB_ACCEL_SAVAGE_IX 0x87 /* S3 Savage/IX */ 147 #define FB_ACCEL_PROSAVAGE_PM 0x88 /* S3 ProSavage PM133 */ 148 #define FB_ACCEL_PROSAVAGE_KM 0x89 /* S3 ProSavage KM133 */ 149 #define FB_ACCEL_S3TWISTER_P 0x8a /* S3 Twister */ 150 #define FB_ACCEL_S3TWISTER_K 0x8b /* S3 TwisterK */ 151 #define FB_ACCEL_SUPERSAVAGE 0x8c /* S3 Supersavage */ 152 #define FB_ACCEL_PROSAVAGE_DDR 0x8d /* S3 ProSavage DDR */ 153 #define FB_ACCEL_PROSAVAGE_DDRK 0x8e /* S3 ProSavage DDR-K */ 154 155 #define FB_ACCEL_PUV3_UNIGFX 0xa0 /* PKUnity-v3 Unigfx */ 156 157 struct fb_fix_screeninfo { 158 char id[16]; /* identification string eg "TT Builtin" */ 159 unsigned long smem_start; /* Start of frame buffer mem */ 160 /* (physical address) */ 161 __u32 smem_len; /* Length of frame buffer mem */ 162 __u32 type; /* see FB_TYPE_* */ 163 __u32 type_aux; /* Interleave for interleaved Planes */ 164 __u32 visual; /* see FB_VISUAL_* */ 165 __u16 xpanstep; /* zero if no hardware panning */ 166 __u16 ypanstep; /* zero if no hardware panning */ 167 __u16 ywrapstep; /* zero if no hardware ywrap */ 168 __u32 line_length; /* length of a line in bytes */ 169 unsigned long mmio_start; /* Start of Memory Mapped I/O */ 170 /* (physical address) */ 171 __u32 mmio_len; /* Length of Memory Mapped I/O */ 172 __u32 accel; /* Indicate to driver which */ 173 /* specific chip/card we have */ 174 __u16 reserved[3]; /* Reserved for future compatibility */ 175 }; 176 177 /* Interpretation of offset for color fields: All offsets are from the right, 178 * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you 179 * can use the offset as right argument to <<). A pixel afterwards is a bit 180 * stream and is written to video memory as that unmodified. 181 * 182 * For pseudocolor: offset and length should be the same for all color 183 * components. Offset specifies the position of the least significant bit 184 * of the pallette index in a pixel value. Length indicates the number 185 * of available palette entries (i.e. # of entries = 1 << length). 186 */ 187 struct fb_bitfield { 188 __u32 offset; /* beginning of bitfield */ 189 __u32 length; /* length of bitfield */ 190 __u32 msb_right; /* != 0 : Most significant bit is */ 191 /* right */ 192 }; 193 194 #define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */ 195 #define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */ 196 197 #define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/ 198 #define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */ 199 #define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */ 200 #define FB_ACTIVATE_MASK 15 201 /* values */ 202 #define FB_ACTIVATE_VBL 16 /* activate values on next vbl */ 203 #define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */ 204 #define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */ 205 #define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/ 206 #define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */ 207 208 #define FB_ACCELF_TEXT 1 /* (OBSOLETE) see fb_info.flags and vc_mode */ 209 210 #define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */ 211 #define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */ 212 #define FB_SYNC_EXT 4 /* external sync */ 213 #define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */ 214 #define FB_SYNC_BROADCAST 16 /* broadcast video timings */ 215 /* vtotal = 144d/288n/576i => PAL */ 216 /* vtotal = 121d/242n/484i => NTSC */ 217 #define FB_SYNC_ON_GREEN 32 /* sync on green */ 218 219 #define FB_VMODE_NONINTERLACED 0 /* non interlaced */ 220 #define FB_VMODE_INTERLACED 1 /* interlaced */ 221 #define FB_VMODE_DOUBLE 2 /* double scan */ 222 #define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */ 223 #define FB_VMODE_MASK 255 224 225 #define FB_VMODE_YWRAP 256 /* ywrap instead of panning */ 226 #define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ 227 #define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ 228 229 #define FB_FLAG_RATIO_4_3 64 230 #define FB_FLAG_RATIO_16_9 128 231 #define FB_FLAG_PIXEL_REPEAT 256 232 #define FB_FLAG_PREFERRED 512 233 #define FB_FLAG_HW_CAPABLE 1024 234 235 /* 236 * Display rotation support 237 */ 238 #define FB_ROTATE_UR 0 239 #define FB_ROTATE_CW 1 240 #define FB_ROTATE_UD 2 241 #define FB_ROTATE_CCW 3 242 243 #define PICOS2KHZ(a) (1000000000UL/(a)) 244 #define KHZ2PICOS(a) (1000000000UL/(a)) 245 246 struct fb_var_screeninfo { 247 __u32 xres; /* visible resolution */ 248 __u32 yres; 249 __u32 xres_virtual; /* virtual resolution */ 250 __u32 yres_virtual; 251 __u32 xoffset; /* offset from virtual to visible */ 252 __u32 yoffset; /* resolution */ 253 254 __u32 bits_per_pixel; /* guess what */ 255 __u32 grayscale; /* != 0 Graylevels instead of colors */ 256 257 struct fb_bitfield red; /* bitfield in fb mem if true color, */ 258 struct fb_bitfield green; /* else only length is significant */ 259 struct fb_bitfield blue; 260 struct fb_bitfield transp; /* transparency */ 261 262 __u32 nonstd; /* != 0 Non standard pixel format */ 263 264 __u32 activate; /* see FB_ACTIVATE_* */ 265 266 __u32 height; /* height of picture in mm */ 267 __u32 width; /* width of picture in mm */ 268 269 __u32 accel_flags; /* (OBSOLETE) see fb_info.flags */ 270 271 /* Timing: All values in pixclocks, except pixclock (of course) */ 272 __u32 pixclock; /* pixel clock in ps (pico seconds) */ 273 __u32 left_margin; /* time from sync to picture */ 274 __u32 right_margin; /* time from picture to sync */ 275 __u32 upper_margin; /* time from sync to picture */ 276 __u32 lower_margin; 277 __u32 hsync_len; /* length of horizontal sync */ 278 __u32 vsync_len; /* length of vertical sync */ 279 __u32 sync; /* see FB_SYNC_* */ 280 __u32 vmode; /* see FB_VMODE_* */ 281 __u32 rotate; /* angle we rotate counter clockwise */ 282 __u32 reserved[5]; /* Reserved for future compatibility */ 283 }; 284 285 struct fb_cmap { 286 __u32 start; /* First entry */ 287 __u32 len; /* Number of entries */ 288 __u16 *red; /* Red values */ 289 __u16 *green; 290 __u16 *blue; 291 __u16 *transp; /* transparency, can be NULL */ 292 }; 293 294 struct fb_con2fbmap { 295 __u32 console; 296 __u32 framebuffer; 297 }; 298 299 /* VESA Blanking Levels */ 300 #define VESA_NO_BLANKING 0 301 #define VESA_VSYNC_SUSPEND 1 302 #define VESA_HSYNC_SUSPEND 2 303 #define VESA_POWERDOWN 3 304 305 306 enum { 307 /* screen: unblanked, hsync: on, vsync: on */ 308 FB_BLANK_UNBLANK = VESA_NO_BLANKING, 309 310 /* screen: blanked, hsync: on, vsync: on */ 311 FB_BLANK_NORMAL = VESA_NO_BLANKING + 1, 312 313 /* screen: blanked, hsync: on, vsync: off */ 314 FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1, 315 316 /* screen: blanked, hsync: off, vsync: on */ 317 FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1, 318 319 /* screen: blanked, hsync: off, vsync: off */ 320 FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1 321 }; 322 323 #define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */ 324 #define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */ 325 #define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */ 326 #define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */ 327 #define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */ 328 #define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */ 329 #define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */ 330 #define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */ 331 #define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */ 332 333 struct fb_vblank { 334 __u32 flags; /* FB_VBLANK flags */ 335 __u32 count; /* counter of retraces since boot */ 336 __u32 vcount; /* current scanline position */ 337 __u32 hcount; /* current scandot position */ 338 __u32 reserved[4]; /* reserved for future compatibility */ 339 }; 340 341 /* Internal HW accel */ 342 #define ROP_COPY 0 343 #define ROP_XOR 1 344 345 struct fb_copyarea { 346 __u32 dx; 347 __u32 dy; 348 __u32 width; 349 __u32 height; 350 __u32 sx; 351 __u32 sy; 352 }; 353 354 struct fb_fillrect { 355 __u32 dx; /* screen-relative */ 356 __u32 dy; 357 __u32 width; 358 __u32 height; 359 __u32 color; 360 __u32 rop; 361 }; 362 363 struct fb_image { 364 __u32 dx; /* Where to place image */ 365 __u32 dy; 366 __u32 width; /* Size of image */ 367 __u32 height; 368 __u32 fg_color; /* Only used when a mono bitmap */ 369 __u32 bg_color; 370 __u8 depth; /* Depth of the image */ 371 const char *data; /* Pointer to image data */ 372 struct fb_cmap cmap; /* color map info */ 373 }; 374 375 /* 376 * hardware cursor control 377 */ 378 379 #define FB_CUR_SETIMAGE 0x01 380 #define FB_CUR_SETPOS 0x02 381 #define FB_CUR_SETHOT 0x04 382 #define FB_CUR_SETCMAP 0x08 383 #define FB_CUR_SETSHAPE 0x10 384 #define FB_CUR_SETSIZE 0x20 385 #define FB_CUR_SETALL 0xFF 386 387 struct fbcurpos { 388 __u16 x, y; 389 }; 390 391 struct fb_cursor { 392 __u16 set; /* what to set */ 393 __u16 enable; /* cursor on/off */ 394 __u16 rop; /* bitop operation */ 395 const char *mask; /* cursor mask bits */ 396 struct fbcurpos hot; /* cursor hot spot */ 397 struct fb_image image; /* Cursor image */ 398 }; 399 400 #ifdef CONFIG_FB_BACKLIGHT 401 /* Settings for the generic backlight code */ 402 #define FB_BACKLIGHT_LEVELS 128 403 #define FB_BACKLIGHT_MAX 0xFF 404 #endif 405 406 #ifdef __KERNEL__ 407 408 #include <linux/fs.h> 409 #include <linux/init.h> 410 #include <linux/device.h> 411 #include <linux/workqueue.h> 412 #include <linux/notifier.h> 413 #include <linux/list.h> 414 #include <linux/backlight.h> 415 #include <linux/slab.h> 416 #include <asm/io.h> 417 418 struct vm_area_struct; 419 struct fb_info; 420 struct device; 421 struct file; 422 423 /* Definitions below are used in the parsed monitor specs */ 424 #define FB_DPMS_ACTIVE_OFF 1 425 #define FB_DPMS_SUSPEND 2 426 #define FB_DPMS_STANDBY 4 427 428 #define FB_DISP_DDI 1 429 #define FB_DISP_ANA_700_300 2 430 #define FB_DISP_ANA_714_286 4 431 #define FB_DISP_ANA_1000_400 8 432 #define FB_DISP_ANA_700_000 16 433 434 #define FB_DISP_MONO 32 435 #define FB_DISP_RGB 64 436 #define FB_DISP_MULTI 128 437 #define FB_DISP_UNKNOWN 256 438 439 #define FB_SIGNAL_NONE 0 440 #define FB_SIGNAL_BLANK_BLANK 1 441 #define FB_SIGNAL_SEPARATE 2 442 #define FB_SIGNAL_COMPOSITE 4 443 #define FB_SIGNAL_SYNC_ON_GREEN 8 444 #define FB_SIGNAL_SERRATION_ON 16 445 446 #define FB_MISC_PRIM_COLOR 1 447 #define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */ 448 #define FB_MISC_HDMI 4 /* display supports HDMI signaling */ 449 450 struct fb_chroma { 451 __u32 redx; /* in fraction of 1024 */ 452 __u32 greenx; 453 __u32 bluex; 454 __u32 whitex; 455 __u32 redy; 456 __u32 greeny; 457 __u32 bluey; 458 __u32 whitey; 459 }; 460 461 struct fb_monspecs { 462 struct fb_chroma chroma; 463 struct fb_videomode *modedb; /* mode database */ 464 __u8 manufacturer[4]; /* Manufacturer */ 465 __u8 monitor[14]; /* Monitor String */ 466 __u8 serial_no[14]; /* Serial Number */ 467 __u8 ascii[14]; /* ? */ 468 __u32 modedb_len; /* mode database length */ 469 __u32 model; /* Monitor Model */ 470 __u32 serial; /* Serial Number - Integer */ 471 __u32 year; /* Year manufactured */ 472 __u32 week; /* Week Manufactured */ 473 __u32 hfmin; /* hfreq lower limit (Hz) */ 474 __u32 hfmax; /* hfreq upper limit (Hz) */ 475 __u32 dclkmin; /* pixelclock lower limit (Hz) */ 476 __u32 dclkmax; /* pixelclock upper limit (Hz) */ 477 __u16 input; /* display type - see FB_DISP_* */ 478 __u16 dpms; /* DPMS support - see FB_DPMS_ */ 479 __u16 signal; /* Signal Type - see FB_SIGNAL_* */ 480 __u16 vfmin; /* vfreq lower limit (Hz) */ 481 __u16 vfmax; /* vfreq upper limit (Hz) */ 482 __u16 gamma; /* Gamma - in fractions of 100 */ 483 __u16 gtf : 1; /* supports GTF */ 484 __u16 misc; /* Misc flags - see FB_MISC_* */ 485 __u8 version; /* EDID version... */ 486 __u8 revision; /* ...and revision */ 487 __u8 max_x; /* Maximum horizontal size (cm) */ 488 __u8 max_y; /* Maximum vertical size (cm) */ 489 }; 490 491 struct fb_cmap_user { 492 __u32 start; /* First entry */ 493 __u32 len; /* Number of entries */ 494 __u16 __user *red; /* Red values */ 495 __u16 __user *green; 496 __u16 __user *blue; 497 __u16 __user *transp; /* transparency, can be NULL */ 498 }; 499 500 struct fb_image_user { 501 __u32 dx; /* Where to place image */ 502 __u32 dy; 503 __u32 width; /* Size of image */ 504 __u32 height; 505 __u32 fg_color; /* Only used when a mono bitmap */ 506 __u32 bg_color; 507 __u8 depth; /* Depth of the image */ 508 const char __user *data; /* Pointer to image data */ 509 struct fb_cmap_user cmap; /* color map info */ 510 }; 511 512 struct fb_cursor_user { 513 __u16 set; /* what to set */ 514 __u16 enable; /* cursor on/off */ 515 __u16 rop; /* bitop operation */ 516 const char __user *mask; /* cursor mask bits */ 517 struct fbcurpos hot; /* cursor hot spot */ 518 struct fb_image_user image; /* Cursor image */ 519 }; 520 521 /* 522 * Register/unregister for framebuffer events 523 */ 524 525 /* The resolution of the passed in fb_info about to change */ 526 #define FB_EVENT_MODE_CHANGE 0x01 527 /* The display on this fb_info is beeing suspended, no access to the 528 * framebuffer is allowed any more after that call returns 529 */ 530 #define FB_EVENT_SUSPEND 0x02 531 /* The display on this fb_info was resumed, you can restore the display 532 * if you own it 533 */ 534 #define FB_EVENT_RESUME 0x03 535 /* An entry from the modelist was removed */ 536 #define FB_EVENT_MODE_DELETE 0x04 537 /* A driver registered itself */ 538 #define FB_EVENT_FB_REGISTERED 0x05 539 /* A driver unregistered itself */ 540 #define FB_EVENT_FB_UNREGISTERED 0x06 541 /* CONSOLE-SPECIFIC: get console to framebuffer mapping */ 542 #define FB_EVENT_GET_CONSOLE_MAP 0x07 543 /* CONSOLE-SPECIFIC: set console to framebuffer mapping */ 544 #define FB_EVENT_SET_CONSOLE_MAP 0x08 545 /* A hardware display blank change occurred */ 546 #define FB_EVENT_BLANK 0x09 547 /* Private modelist is to be replaced */ 548 #define FB_EVENT_NEW_MODELIST 0x0A 549 /* The resolution of the passed in fb_info about to change and 550 all vc's should be changed */ 551 #define FB_EVENT_MODE_CHANGE_ALL 0x0B 552 /* A software display blank change occurred */ 553 #define FB_EVENT_CONBLANK 0x0C 554 /* Get drawing requirements */ 555 #define FB_EVENT_GET_REQ 0x0D 556 /* Unbind from the console if possible */ 557 #define FB_EVENT_FB_UNBIND 0x0E 558 /* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga switcheroo */ 559 #define FB_EVENT_REMAP_ALL_CONSOLE 0x0F 560 561 struct fb_event { 562 struct fb_info *info; 563 void *data; 564 }; 565 566 struct fb_blit_caps { 567 u32 x; 568 u32 y; 569 u32 len; 570 u32 flags; 571 }; 572 573 extern int fb_register_client(struct notifier_block *nb); 574 extern int fb_unregister_client(struct notifier_block *nb); 575 extern int fb_notifier_call_chain(unsigned long val, void *v); 576 /* 577 * Pixmap structure definition 578 * 579 * The purpose of this structure is to translate data 580 * from the hardware independent format of fbdev to what 581 * format the hardware needs. 582 */ 583 584 #define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */ 585 #define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */ 586 #define FB_PIXMAP_IO 4 /* memory is iomapped */ 587 #define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */ 588 589 struct fb_pixmap { 590 u8 *addr; /* pointer to memory */ 591 u32 size; /* size of buffer in bytes */ 592 u32 offset; /* current offset to buffer */ 593 u32 buf_align; /* byte alignment of each bitmap */ 594 u32 scan_align; /* alignment per scanline */ 595 u32 access_align; /* alignment per read/write (bits) */ 596 u32 flags; /* see FB_PIXMAP_* */ 597 u32 blit_x; /* supported bit block dimensions (1-32)*/ 598 u32 blit_y; /* Format: blit_x = 1 << (width - 1) */ 599 /* blit_y = 1 << (height - 1) */ 600 /* if 0, will be set to 0xffffffff (all)*/ 601 /* access methods */ 602 void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size); 603 void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size); 604 }; 605 606 #ifdef CONFIG_FB_DEFERRED_IO 607 struct fb_deferred_io { 608 /* delay between mkwrite and deferred handler */ 609 unsigned long delay; 610 struct mutex lock; /* mutex that protects the page list */ 611 struct list_head pagelist; /* list of touched pages */ 612 /* callback */ 613 void (*deferred_io)(struct fb_info *info, struct list_head *pagelist); 614 }; 615 #endif 616 617 /* 618 * Frame buffer operations 619 * 620 * LOCKING NOTE: those functions must _ALL_ be called with the console 621 * semaphore held, this is the only suitable locking mechanism we have 622 * in 2.6. Some may be called at interrupt time at this point though. 623 * 624 * The exception to this is the debug related hooks. Putting the fb 625 * into a debug state (e.g. flipping to the kernel console) and restoring 626 * it must be done in a lock-free manner, so low level drivers should 627 * keep track of the initial console (if applicable) and may need to 628 * perform direct, unlocked hardware writes in these hooks. 629 */ 630 631 struct fb_ops { 632 /* open/release and usage marking */ 633 struct module *owner; 634 int (*fb_open)(struct fb_info *info, int user); 635 int (*fb_release)(struct fb_info *info, int user); 636 637 /* For framebuffers with strange non linear layouts or that do not 638 * work with normal memory mapped access 639 */ 640 ssize_t (*fb_read)(struct fb_info *info, char __user *buf, 641 size_t count, loff_t *ppos); 642 ssize_t (*fb_write)(struct fb_info *info, const char __user *buf, 643 size_t count, loff_t *ppos); 644 645 /* checks var and eventually tweaks it to something supported, 646 * DO NOT MODIFY PAR */ 647 int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info); 648 649 /* set the video mode according to info->var */ 650 int (*fb_set_par)(struct fb_info *info); 651 652 /* set color register */ 653 int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green, 654 unsigned blue, unsigned transp, struct fb_info *info); 655 656 /* set color registers in batch */ 657 int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info); 658 659 /* blank display */ 660 int (*fb_blank)(int blank, struct fb_info *info); 661 662 /* pan display */ 663 int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info); 664 665 /* Draws a rectangle */ 666 void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect); 667 /* Copy data from area to another */ 668 void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region); 669 /* Draws a image to the display */ 670 void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image); 671 672 /* Draws cursor */ 673 int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor); 674 675 /* Rotates the display */ 676 void (*fb_rotate)(struct fb_info *info, int angle); 677 678 /* wait for blit idle, optional */ 679 int (*fb_sync)(struct fb_info *info); 680 681 /* perform fb specific ioctl (optional) */ 682 int (*fb_ioctl)(struct fb_info *info, unsigned int cmd, 683 unsigned long arg); 684 685 /* Handle 32bit compat ioctl (optional) */ 686 int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd, 687 unsigned long arg); 688 689 /* perform fb specific mmap */ 690 int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma); 691 692 /* get capability given var */ 693 void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps, 694 struct fb_var_screeninfo *var); 695 696 /* teardown any resources to do with this framebuffer */ 697 void (*fb_destroy)(struct fb_info *info); 698 699 /* called at KDB enter and leave time to prepare the console */ 700 int (*fb_debug_enter)(struct fb_info *info); 701 int (*fb_debug_leave)(struct fb_info *info); 702 }; 703 704 #ifdef CONFIG_FB_TILEBLITTING 705 #define FB_TILE_CURSOR_NONE 0 706 #define FB_TILE_CURSOR_UNDERLINE 1 707 #define FB_TILE_CURSOR_LOWER_THIRD 2 708 #define FB_TILE_CURSOR_LOWER_HALF 3 709 #define FB_TILE_CURSOR_TWO_THIRDS 4 710 #define FB_TILE_CURSOR_BLOCK 5 711 712 struct fb_tilemap { 713 __u32 width; /* width of each tile in pixels */ 714 __u32 height; /* height of each tile in scanlines */ 715 __u32 depth; /* color depth of each tile */ 716 __u32 length; /* number of tiles in the map */ 717 const __u8 *data; /* actual tile map: a bitmap array, packed 718 to the nearest byte */ 719 }; 720 721 struct fb_tilerect { 722 __u32 sx; /* origin in the x-axis */ 723 __u32 sy; /* origin in the y-axis */ 724 __u32 width; /* number of tiles in the x-axis */ 725 __u32 height; /* number of tiles in the y-axis */ 726 __u32 index; /* what tile to use: index to tile map */ 727 __u32 fg; /* foreground color */ 728 __u32 bg; /* background color */ 729 __u32 rop; /* raster operation */ 730 }; 731 732 struct fb_tilearea { 733 __u32 sx; /* source origin in the x-axis */ 734 __u32 sy; /* source origin in the y-axis */ 735 __u32 dx; /* destination origin in the x-axis */ 736 __u32 dy; /* destination origin in the y-axis */ 737 __u32 width; /* number of tiles in the x-axis */ 738 __u32 height; /* number of tiles in the y-axis */ 739 }; 740 741 struct fb_tileblit { 742 __u32 sx; /* origin in the x-axis */ 743 __u32 sy; /* origin in the y-axis */ 744 __u32 width; /* number of tiles in the x-axis */ 745 __u32 height; /* number of tiles in the y-axis */ 746 __u32 fg; /* foreground color */ 747 __u32 bg; /* background color */ 748 __u32 length; /* number of tiles to draw */ 749 __u32 *indices; /* array of indices to tile map */ 750 }; 751 752 struct fb_tilecursor { 753 __u32 sx; /* cursor position in the x-axis */ 754 __u32 sy; /* cursor position in the y-axis */ 755 __u32 mode; /* 0 = erase, 1 = draw */ 756 __u32 shape; /* see FB_TILE_CURSOR_* */ 757 __u32 fg; /* foreground color */ 758 __u32 bg; /* background color */ 759 }; 760 761 struct fb_tile_ops { 762 /* set tile characteristics */ 763 void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map); 764 765 /* all dimensions from hereon are in terms of tiles */ 766 767 /* move a rectangular region of tiles from one area to another*/ 768 void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area); 769 /* fill a rectangular region with a tile */ 770 void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect); 771 /* copy an array of tiles */ 772 void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit); 773 /* cursor */ 774 void (*fb_tilecursor)(struct fb_info *info, 775 struct fb_tilecursor *cursor); 776 /* get maximum length of the tile map */ 777 int (*fb_get_tilemax)(struct fb_info *info); 778 }; 779 #endif /* CONFIG_FB_TILEBLITTING */ 780 781 /* FBINFO_* = fb_info.flags bit flags */ 782 #define FBINFO_MODULE 0x0001 /* Low-level driver is a module */ 783 #define FBINFO_HWACCEL_DISABLED 0x0002 784 /* When FBINFO_HWACCEL_DISABLED is set: 785 * Hardware acceleration is turned off. Software implementations 786 * of required functions (copyarea(), fillrect(), and imageblit()) 787 * takes over; acceleration engine should be in a quiescent state */ 788 789 /* hints */ 790 #define FBINFO_VIRTFB 0x0004 /* FB is System RAM, not device. */ 791 #define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */ 792 #define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */ 793 794 /* hardware supported ops */ 795 /* semantics: when a bit is set, it indicates that the operation is 796 * accelerated by hardware. 797 * required functions will still work even if the bit is not set. 798 * optional functions may not even exist if the flag bit is not set. 799 */ 800 #define FBINFO_HWACCEL_NONE 0x0000 801 #define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */ 802 #define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */ 803 #define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */ 804 #define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */ 805 #define FBINFO_HWACCEL_XPAN 0x1000 /* optional */ 806 #define FBINFO_HWACCEL_YPAN 0x2000 /* optional */ 807 #define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */ 808 809 #define FBINFO_MISC_USEREVENT 0x10000 /* event request 810 from userspace */ 811 #define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */ 812 813 /* A driver may set this flag to indicate that it does want a set_par to be 814 * called every time when fbcon_switch is executed. The advantage is that with 815 * this flag set you can really be sure that set_par is always called before 816 * any of the functions dependent on the correct hardware state or altering 817 * that state, even if you are using some broken X releases. The disadvantage 818 * is that it introduces unwanted delays to every console switch if set_par 819 * is slow. It is a good idea to try this flag in the drivers initialization 820 * code whenever there is a bug report related to switching between X and the 821 * framebuffer console. 822 */ 823 #define FBINFO_MISC_ALWAYS_SETPAR 0x40000 824 825 /* where the fb is a firmware driver, and can be replaced with a proper one */ 826 #define FBINFO_MISC_FIRMWARE 0x80000 827 /* 828 * Host and GPU endianness differ. 829 */ 830 #define FBINFO_FOREIGN_ENDIAN 0x100000 831 /* 832 * Big endian math. This is the same flags as above, but with different 833 * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag 834 * and host endianness. Drivers should not use this flag. 835 */ 836 #define FBINFO_BE_MATH 0x100000 837 838 /* report to the VT layer that this fb driver can accept forced console 839 output like oopses */ 840 #define FBINFO_CAN_FORCE_OUTPUT 0x200000 841 842 struct fb_info { 843 atomic_t count; 844 int node; 845 int flags; 846 struct mutex lock; /* Lock for open/release/ioctl funcs */ 847 struct mutex mm_lock; /* Lock for fb_mmap and smem_* fields */ 848 struct fb_var_screeninfo var; /* Current var */ 849 struct fb_fix_screeninfo fix; /* Current fix */ 850 struct fb_monspecs monspecs; /* Current Monitor specs */ 851 struct work_struct queue; /* Framebuffer event queue */ 852 struct fb_pixmap pixmap; /* Image hardware mapper */ 853 struct fb_pixmap sprite; /* Cursor hardware mapper */ 854 struct fb_cmap cmap; /* Current cmap */ 855 struct list_head modelist; /* mode list */ 856 struct fb_videomode *mode; /* current mode */ 857 858 #ifdef CONFIG_FB_BACKLIGHT 859 /* assigned backlight device */ 860 /* set before framebuffer registration, 861 remove after unregister */ 862 struct backlight_device *bl_dev; 863 864 /* Backlight level curve */ 865 struct mutex bl_curve_mutex; 866 u8 bl_curve[FB_BACKLIGHT_LEVELS]; 867 #endif 868 #ifdef CONFIG_FB_DEFERRED_IO 869 struct delayed_work deferred_work; 870 struct fb_deferred_io *fbdefio; 871 #endif 872 873 struct fb_ops *fbops; 874 struct device *device; /* This is the parent */ 875 struct device *dev; /* This is this fb device */ 876 int class_flag; /* private sysfs flags */ 877 #ifdef CONFIG_FB_TILEBLITTING 878 struct fb_tile_ops *tileops; /* Tile Blitting */ 879 #endif 880 char __iomem *screen_base; /* Virtual address */ 881 unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */ 882 void *pseudo_palette; /* Fake palette of 16 colors */ 883 #define FBINFO_STATE_RUNNING 0 884 #define FBINFO_STATE_SUSPENDED 1 885 u32 state; /* Hardware state i.e suspend */ 886 void *fbcon_par; /* fbcon use-only private area */ 887 /* From here on everything is device dependent */ 888 void *par; 889 /* we need the PCI or similar aperture base/size not 890 smem_start/size as smem_start may just be an object 891 allocated inside the aperture so may not actually overlap */ 892 struct apertures_struct { 893 unsigned int count; 894 struct aperture { 895 resource_size_t base; 896 resource_size_t size; 897 } ranges[0]; 898 } *apertures; 899 }; 900 901 static inline struct apertures_struct *alloc_apertures(unsigned int max_num) { 902 struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct) 903 + max_num * sizeof(struct aperture), GFP_KERNEL); 904 if (!a) 905 return NULL; 906 a->count = max_num; 907 return a; 908 } 909 910 #ifdef MODULE 911 #define FBINFO_DEFAULT FBINFO_MODULE 912 #else 913 #define FBINFO_DEFAULT 0 914 #endif 915 916 // This will go away 917 #define FBINFO_FLAG_MODULE FBINFO_MODULE 918 #define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT 919 920 /* This will go away 921 * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags 922 * when it wants to turn the acceleration engine on. This is 923 * really a separate operation, and should be modified via sysfs. 924 * But for now, we leave it broken with the following define 925 */ 926 #define STUPID_ACCELF_TEXT_SHIT 927 928 // This will go away 929 #if defined(__sparc__) 930 931 /* We map all of our framebuffers such that big-endian accesses 932 * are what we want, so the following is sufficient. 933 */ 934 935 // This will go away 936 #define fb_readb sbus_readb 937 #define fb_readw sbus_readw 938 #define fb_readl sbus_readl 939 #define fb_readq sbus_readq 940 #define fb_writeb sbus_writeb 941 #define fb_writew sbus_writew 942 #define fb_writel sbus_writel 943 #define fb_writeq sbus_writeq 944 #define fb_memset sbus_memset_io 945 #define fb_memcpy_fromfb sbus_memcpy_fromio 946 #define fb_memcpy_tofb sbus_memcpy_toio 947 948 #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__) 949 950 #define fb_readb __raw_readb 951 #define fb_readw __raw_readw 952 #define fb_readl __raw_readl 953 #define fb_readq __raw_readq 954 #define fb_writeb __raw_writeb 955 #define fb_writew __raw_writew 956 #define fb_writel __raw_writel 957 #define fb_writeq __raw_writeq 958 #define fb_memset memset_io 959 #define fb_memcpy_fromfb memcpy_fromio 960 #define fb_memcpy_tofb memcpy_toio 961 962 #else 963 964 #define fb_readb(addr) (*(volatile u8 *) (addr)) 965 #define fb_readw(addr) (*(volatile u16 *) (addr)) 966 #define fb_readl(addr) (*(volatile u32 *) (addr)) 967 #define fb_readq(addr) (*(volatile u64 *) (addr)) 968 #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b)) 969 #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b)) 970 #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b)) 971 #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b)) 972 #define fb_memset memset 973 #define fb_memcpy_fromfb memcpy 974 #define fb_memcpy_tofb memcpy 975 976 #endif 977 978 #define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0) 979 #define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \ 980 (val) << (bits)) 981 #define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \ 982 (val) >> (bits)) 983 984 /* 985 * `Generic' versions of the frame buffer device operations 986 */ 987 988 extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var); 989 extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var); 990 extern int fb_blank(struct fb_info *info, int blank); 991 extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 992 extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); 993 extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image); 994 /* 995 * Drawing operations where framebuffer is in system RAM 996 */ 997 extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect); 998 extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area); 999 extern void sys_imageblit(struct fb_info *info, const struct fb_image *image); 1000 extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf, 1001 size_t count, loff_t *ppos); 1002 extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf, 1003 size_t count, loff_t *ppos); 1004 1005 /* drivers/video/fbmem.c */ 1006 extern int register_framebuffer(struct fb_info *fb_info); 1007 extern int unregister_framebuffer(struct fb_info *fb_info); 1008 extern void remove_conflicting_framebuffers(struct apertures_struct *a, 1009 const char *name, bool primary); 1010 extern int fb_prepare_logo(struct fb_info *fb_info, int rotate); 1011 extern int fb_show_logo(struct fb_info *fb_info, int rotate); 1012 extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size); 1013 extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx, 1014 u32 height, u32 shift_high, u32 shift_low, u32 mod); 1015 extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height); 1016 extern void fb_set_suspend(struct fb_info *info, int state); 1017 extern int fb_get_color_depth(struct fb_var_screeninfo *var, 1018 struct fb_fix_screeninfo *fix); 1019 extern int fb_get_options(char *name, char **option); 1020 extern int fb_new_modelist(struct fb_info *info); 1021 1022 extern struct fb_info *registered_fb[FB_MAX]; 1023 extern int num_registered_fb; 1024 extern struct class *fb_class; 1025 1026 extern int lock_fb_info(struct fb_info *info); 1027 1028 static inline void unlock_fb_info(struct fb_info *info) 1029 { 1030 mutex_unlock(&info->lock); 1031 } 1032 1033 static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, 1034 u8 *src, u32 s_pitch, u32 height) 1035 { 1036 int i, j; 1037 1038 d_pitch -= s_pitch; 1039 1040 for (i = height; i--; ) { 1041 /* s_pitch is a few bytes at the most, memcpy is suboptimal */ 1042 for (j = 0; j < s_pitch; j++) 1043 *dst++ = *src++; 1044 dst += d_pitch; 1045 } 1046 } 1047 1048 /* drivers/video/fb_defio.c */ 1049 extern void fb_deferred_io_init(struct fb_info *info); 1050 extern void fb_deferred_io_open(struct fb_info *info, 1051 struct inode *inode, 1052 struct file *file); 1053 extern void fb_deferred_io_cleanup(struct fb_info *info); 1054 extern int fb_deferred_io_fsync(struct file *file, int datasync); 1055 1056 static inline bool fb_be_math(struct fb_info *info) 1057 { 1058 #ifdef CONFIG_FB_FOREIGN_ENDIAN 1059 #if defined(CONFIG_FB_BOTH_ENDIAN) 1060 return info->flags & FBINFO_BE_MATH; 1061 #elif defined(CONFIG_FB_BIG_ENDIAN) 1062 return true; 1063 #elif defined(CONFIG_FB_LITTLE_ENDIAN) 1064 return false; 1065 #endif /* CONFIG_FB_BOTH_ENDIAN */ 1066 #else 1067 #ifdef __BIG_ENDIAN 1068 return true; 1069 #else 1070 return false; 1071 #endif /* __BIG_ENDIAN */ 1072 #endif /* CONFIG_FB_FOREIGN_ENDIAN */ 1073 } 1074 1075 /* drivers/video/fbsysfs.c */ 1076 extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev); 1077 extern void framebuffer_release(struct fb_info *info); 1078 extern int fb_init_device(struct fb_info *fb_info); 1079 extern void fb_cleanup_device(struct fb_info *head); 1080 extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max); 1081 1082 /* drivers/video/fbmon.c */ 1083 #define FB_MAXTIMINGS 0 1084 #define FB_VSYNCTIMINGS 1 1085 #define FB_HSYNCTIMINGS 2 1086 #define FB_DCLKTIMINGS 3 1087 #define FB_IGNOREMON 0x100 1088 1089 #define FB_MODE_IS_UNKNOWN 0 1090 #define FB_MODE_IS_DETAILED 1 1091 #define FB_MODE_IS_STANDARD 2 1092 #define FB_MODE_IS_VESA 4 1093 #define FB_MODE_IS_CALCULATED 8 1094 #define FB_MODE_IS_FIRST 16 1095 #define FB_MODE_IS_FROM_VAR 32 1096 1097 extern int fbmon_dpms(const struct fb_info *fb_info); 1098 extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, 1099 struct fb_info *info); 1100 extern int fb_validate_mode(const struct fb_var_screeninfo *var, 1101 struct fb_info *info); 1102 extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var); 1103 extern const unsigned char *fb_firmware_edid(struct device *device); 1104 extern void fb_edid_to_monspecs(unsigned char *edid, 1105 struct fb_monspecs *specs); 1106 extern void fb_edid_add_monspecs(unsigned char *edid, 1107 struct fb_monspecs *specs); 1108 extern void fb_destroy_modedb(struct fb_videomode *modedb); 1109 extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb); 1110 extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter); 1111 1112 /* drivers/video/modedb.c */ 1113 #define VESA_MODEDB_SIZE 34 1114 #define CEA_MODEDB_SIZE 65 1115 extern void fb_var_to_videomode(struct fb_videomode *mode, 1116 const struct fb_var_screeninfo *var); 1117 extern void fb_videomode_to_var(struct fb_var_screeninfo *var, 1118 const struct fb_videomode *mode); 1119 extern int fb_mode_is_equal(const struct fb_videomode *mode1, 1120 const struct fb_videomode *mode2); 1121 extern int fb_add_videomode(const struct fb_videomode *mode, 1122 struct list_head *head); 1123 extern void fb_delete_videomode(const struct fb_videomode *mode, 1124 struct list_head *head); 1125 extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var, 1126 struct list_head *head); 1127 extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var, 1128 struct list_head *head); 1129 extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode, 1130 struct list_head *head); 1131 extern void fb_destroy_modelist(struct list_head *head); 1132 extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num, 1133 struct list_head *head); 1134 extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs, 1135 struct list_head *head); 1136 1137 /* drivers/video/fbcmap.c */ 1138 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); 1139 extern int fb_alloc_cmap_gfp(struct fb_cmap *cmap, int len, int transp, gfp_t flags); 1140 extern void fb_dealloc_cmap(struct fb_cmap *cmap); 1141 extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to); 1142 extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to); 1143 extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info); 1144 extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info); 1145 extern const struct fb_cmap *fb_default_cmap(int len); 1146 extern void fb_invert_cmaps(void); 1147 1148 struct fb_videomode { 1149 const char *name; /* optional */ 1150 u32 refresh; /* optional */ 1151 u32 xres; 1152 u32 yres; 1153 u32 pixclock; 1154 u32 left_margin; 1155 u32 right_margin; 1156 u32 upper_margin; 1157 u32 lower_margin; 1158 u32 hsync_len; 1159 u32 vsync_len; 1160 u32 sync; 1161 u32 vmode; 1162 u32 flag; 1163 }; 1164 1165 extern const char *fb_mode_option; 1166 extern const struct fb_videomode vesa_modes[]; 1167 extern const struct fb_videomode cea_modes[]; 1168 1169 struct fb_modelist { 1170 struct list_head list; 1171 struct fb_videomode mode; 1172 }; 1173 1174 extern int fb_find_mode(struct fb_var_screeninfo *var, 1175 struct fb_info *info, const char *mode_option, 1176 const struct fb_videomode *db, 1177 unsigned int dbsize, 1178 const struct fb_videomode *default_mode, 1179 unsigned int default_bpp); 1180 1181 #endif /* __KERNEL__ */ 1182 1183 #endif /* _LINUX_FB_H */ 1184
