include/linux/fb.h

   1 #ifndef _LINUX_FB_H
   2 #define _LINUX_FB_H
   3
   4 #include <asm/types.h>
   5
   6 /* Definitions of frame buffers                                         */
   7
   8 #define FB_MAJOR                29
   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
  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
  52 #define FB_AUX_VGA_PLANES_VGA4          0       /* 16 color planes (EGA/VGA) */
  53 #define FB_AUX_VGA_PLANES_CFB4          1       /* CFB4 in planes (VGA) */
  54 #define FB_AUX_VGA_PLANES_CFB8          2       /* CFB8 in planes (VGA) */
  55
  56 #define FB_VISUAL_MONO01                0       /* Monochr. 1=Black 0=White */
  57 #define FB_VISUAL_MONO10                1       /* Monochr. 1=White 0=Black */
  58 #define FB_VISUAL_TRUECOLOR             2       /* True color   */
  59 #define FB_VISUAL_PSEUDOCOLOR           3       /* Pseudo color (like atari) */
  60 #define FB_VISUAL_DIRECTCOLOR           4       /* Direct color */
  61 #define FB_VISUAL_STATIC_PSEUDOCOLOR    5       /* Pseudo color readonly */
  62
  63 #define FB_ACCEL_NONE           0       /* no hardware accelerator      */
  64 #define FB_ACCEL_ATARIBLITT     1       /* Atari Blitter                */
  65 #define FB_ACCEL_AMIGABLITT     2       /* Amiga Blitter                */
  66 #define FB_ACCEL_S3_TRIO64      3       /* Cybervision64 (S3 Trio64)    */
  67 #define FB_ACCEL_NCR_77C32BLT   4       /* RetinaZ3 (NCR 77C32BLT)      */
  68 #define FB_ACCEL_S3_VIRGE       5       /* Cybervision64/3D (S3 ViRGE)  */
  69 #define FB_ACCEL_ATI_MACH64GX   6       /* ATI Mach 64GX family         */
  70 #define FB_ACCEL_DEC_TGA        7       /* DEC 21030 TGA                */
  71 #define FB_ACCEL_ATI_MACH64CT   8       /* ATI Mach 64CT family         */
  72 #define FB_ACCEL_ATI_MACH64VT   9       /* ATI Mach 64CT family VT class */
  73 #define FB_ACCEL_ATI_MACH64GT   10      /* ATI Mach 64CT family GT class */
  74 #define FB_ACCEL_SUN_CREATOR    11      /* Sun Creator/Creator3D        */
  75 #define FB_ACCEL_SUN_CGSIX      12      /* Sun cg6                      */
  76 #define FB_ACCEL_SUN_LEO        13      /* Sun leo/zx                   */
  77 #define FB_ACCEL_IMS_TWINTURBO  14      /* IMS Twin Turbo               */
  78 #define FB_ACCEL_3DLABS_PERMEDIA2 15    /* 3Dlabs Permedia 2            */
  79 #define FB_ACCEL_MATROX_MGA2064W 16     /* Matrox MGA2064W (Millenium)  */
  80 #define FB_ACCEL_MATROX_MGA1064SG 17    /* Matrox MGA1064SG (Mystique)  */
  81 #define FB_ACCEL_MATROX_MGA2164W 18     /* Matrox MGA2164W (Millenium II) */
  82 #define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */
  83 #define FB_ACCEL_MATROX_MGAG100 20      /* Matrox G100 (Productiva G100) */
  84 #define FB_ACCEL_MATROX_MGAG200 21      /* Matrox G200 (Myst, Mill, ...) */
  85 #define FB_ACCEL_SUN_CG14       22      /* Sun cgfourteen                */
  86 #define FB_ACCEL_SUN_BWTWO      23      /* Sun bwtwo                    */
  87 #define FB_ACCEL_SUN_CGTHREE    24      /* Sun cgthree                  */
  88 #define FB_ACCEL_SUN_TCX        25      /* Sun tcx                      */
  89 #define FB_ACCEL_MATROX_MGAG400 26      /* Matrox G400                  */
  90 #define FB_ACCEL_NV3            27      /* nVidia RIVA 128              */
  91 #define FB_ACCEL_NV4            28      /* nVidia RIVA TNT              */
  92 #define FB_ACCEL_NV5            29      /* nVidia RIVA TNT2             */
  93 #define FB_ACCEL_CT_6555x       30      /* C&T 6555x                    */
  94 #define FB_ACCEL_3DFX_BANSHEE   31      /* 3Dfx Banshee                 */
  95 #define FB_ACCEL_ATI_RAGE128    32      /* ATI Rage128 family           */
  96 #define FB_ACCEL_IGS_CYBER2000  33      /* CyberPro 2000                */
  97 #define FB_ACCEL_IGS_CYBER2010  34      /* CyberPro 2010                */
  98 #define FB_ACCEL_IGS_CYBER5000  35      /* CyberPro 5000                */
  99 #define FB_ACCEL_SIS_GLAMOUR    36      /* SiS 300/630/540              */
 100 #define FB_ACCEL_3DLABS_PERMEDIA3 37    /* 3Dlabs Permedia 3            */
 101 #define FB_ACCEL_ATI_RADEON     38      /* ATI Radeon family            */
 102 #define FB_ACCEL_I810           39      /* Intel 810/815                */
 103 #define FB_ACCEL_SIS_GLAMOUR_2  40      /* SiS 315, 650, 740            */
 104 #define FB_ACCEL_SIS_XABRE      41      /* SiS 330 ("Xabre")            */
 105
 106 #define FB_ACCEL_NEOMAGIC_NM2070 90     /* NeoMagic NM2070              */
 107 #define FB_ACCEL_NEOMAGIC_NM2090 91     /* NeoMagic NM2090              */
 108 #define FB_ACCEL_NEOMAGIC_NM2093 92     /* NeoMagic NM2093              */
 109 #define FB_ACCEL_NEOMAGIC_NM2097 93     /* NeoMagic NM2097              */
 110 #define FB_ACCEL_NEOMAGIC_NM2160 94     /* NeoMagic NM2160              */
 111 #define FB_ACCEL_NEOMAGIC_NM2200 95     /* NeoMagic NM2200              */
 112 #define FB_ACCEL_NEOMAGIC_NM2230 96     /* NeoMagic NM2230              */
 113 #define FB_ACCEL_NEOMAGIC_NM2360 97     /* NeoMagic NM2360              */
 114 #define FB_ACCEL_NEOMAGIC_NM2380 98     /* NeoMagic NM2380              */
 115
 116
 117 struct fb_fix_screeninfo {
 118         char id[16];                    /* identification string eg "TT Builtin" */
 119         unsigned long smem_start;       /* Start of frame buffer mem */
 120                                         /* (physical address) */
 121         __u32 smem_len;                 /* Length of frame buffer mem */
 122         __u32 type;                     /* see FB_TYPE_*                */
 123         __u32 type_aux;                 /* Interleave for interleaved Planes */
 124         __u32 visual;                   /* see FB_VISUAL_*              */
 125         __u16 xpanstep;                 /* zero if no hardware panning  */
 126         __u16 ypanstep;                 /* zero if no hardware panning  */
 127         __u16 ywrapstep;                /* zero if no hardware ywrap    */
 128         __u32 line_length;              /* length of a line in bytes    */
 129         unsigned long mmio_start;       /* Start of Memory Mapped I/O   */
 130                                         /* (physical address) */
 131         __u32 mmio_len;                 /* Length of Memory Mapped I/O  */
 132         __u32 accel;                    /* Indicate to driver which     */
 133                                         /*  specific chip/card we have  */
 134         __u16 reserved[3];              /* Reserved for future compatibility */
 135 };
 136
 137 /* Interpretation of offset for color fields: All offsets are from the right,
 138  * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
 139  * can use the offset as right argument to <<). A pixel afterwards is a bit
 140  * stream and is written to video memory as that unmodified. This implies
 141  * big-endian byte order if bits_per_pixel is greater than 8.
 142  */
 143 struct fb_bitfield {
 144         __u32 offset;                   /* beginning of bitfield        */
 145         __u32 length;                   /* length of bitfield           */
 146         __u32 msb_right;                /* != 0 : Most significant bit is */
 147                                         /* right */
 148 };
 149
 150 #define FB_NONSTD_HAM           1       /* Hold-And-Modify (HAM)        */
 151
 152 #define FB_ACTIVATE_NOW         0       /* set values immediately (or vbl)*/
 153 #define FB_ACTIVATE_NXTOPEN     1       /* activate on next open        */
 154 #define FB_ACTIVATE_TEST        2       /* don't set, round up impossible */
 155 #define FB_ACTIVATE_MASK       15
 156                                         /* values                       */
 157 #define FB_ACTIVATE_VBL        16       /* activate values on next vbl  */
 158 #define FB_CHANGE_CMAP_VBL     32       /* change colormap on vbl       */
 159 #define FB_ACTIVATE_ALL        64       /* change all VCs on this fb    */
 160 #define FB_ACTIVATE_FORCE     128       /* force apply even when no change*/
 161 #define FB_ACTIVATE_INV_MODE  256       /* invalidate videomode */
 162
 163 #define FB_ACCELF_TEXT          1       /* (OBSOLETE) see fb_info.flags and vc_mode */
 164
 165 #define FB_SYNC_HOR_HIGH_ACT    1       /* horizontal sync high active  */
 166 #define FB_SYNC_VERT_HIGH_ACT   2       /* vertical sync high active    */
 167 #define FB_SYNC_EXT             4       /* external sync                */
 168 #define FB_SYNC_COMP_HIGH_ACT   8       /* composite sync high active   */
 169 #define FB_SYNC_BROADCAST       16      /* broadcast video timings      */
 170                                         /* vtotal = 144d/288n/576i => PAL  */
 171                                         /* vtotal = 121d/242n/484i => NTSC */
 172 #define FB_SYNC_ON_GREEN        32      /* sync on green */
 173
 174 #define FB_VMODE_NONINTERLACED  0       /* non interlaced */
 175 #define FB_VMODE_INTERLACED     1       /* interlaced   */
 176 #define FB_VMODE_DOUBLE         2       /* double scan */
 177 #define FB_VMODE_MASK           255
 178
 179 #define FB_VMODE_YWRAP          256     /* ywrap instead of panning     */
 180 #define FB_VMODE_SMOOTH_XPAN    512     /* smooth xpan possible (internally used) */
 181 #define FB_VMODE_CONUPDATE      512     /* don't update x/yoffset       */
 182
 183 #define PICOS2KHZ(a) (1000000000UL/(a))
 184 #define KHZ2PICOS(a) (1000000000UL/(a))
 185
 186 struct fb_var_screeninfo {
 187         __u32 xres;                     /* visible resolution           */
 188         __u32 yres;
 189         __u32 xres_virtual;             /* virtual resolution           */
 190         __u32 yres_virtual;
 191         __u32 xoffset;                  /* offset from virtual to visible */
 192         __u32 yoffset;                  /* resolution                   */
 193
 194         __u32 bits_per_pixel;           /* guess what                   */
 195         __u32 grayscale;                /* != 0 Graylevels instead of colors */
 196
 197         struct fb_bitfield red;         /* bitfield in fb mem if true color, */
 198         struct fb_bitfield green;       /* else only length is significant */
 199         struct fb_bitfield blue;
 200         struct fb_bitfield transp;      /* transparency                 */
 201
 202         __u32 nonstd;                   /* != 0 Non standard pixel format */
 203
 204         __u32 activate;                 /* see FB_ACTIVATE_*            */
 205
 206         __u32 height;                   /* height of picture in mm    */
 207         __u32 width;                    /* width of picture in mm     */
 208
 209         __u32 accel_flags;              /* (OBSOLETE) see fb_info.flags */
 210
 211         /* Timing: All values in pixclocks, except pixclock (of course) */
 212         __u32 pixclock;                 /* pixel clock in ps (pico seconds) */
 213         __u32 left_margin;              /* time from sync to picture    */
 214         __u32 right_margin;             /* time from picture to sync    */
 215         __u32 upper_margin;             /* time from sync to picture    */
 216         __u32 lower_margin;
 217         __u32 hsync_len;                /* length of horizontal sync    */
 218         __u32 vsync_len;                /* length of vertical sync      */
 219         __u32 sync;                     /* see FB_SYNC_*                */
 220         __u32 vmode;                    /* see FB_VMODE_*               */
 221         __u32 rotate;                   /* angle we rotate counter clockwise */
 222         __u32 reserved[5];              /* Reserved for future compatibility */
 223 };
 224
 225 struct fb_cmap {
 226         __u32 start;                    /* First entry  */
 227         __u32 len;                      /* Number of entries */
 228         __u16 *red;                     /* Red values   */
 229         __u16 *green;
 230         __u16 *blue;
 231         __u16 *transp;                  /* transparency, can be NULL */
 232 };
 233
 234 struct fb_con2fbmap {
 235         __u32 console;
 236         __u32 framebuffer;
 237 };
 238
 239 /* VESA Blanking Levels */
 240 #define VESA_NO_BLANKING        0
 241 #define VESA_VSYNC_SUSPEND      1
 242 #define VESA_HSYNC_SUSPEND      2
 243 #define VESA_POWERDOWN          3
 244
 245 #define FB_VBLANK_VBLANKING     0x001   /* currently in a vertical blank */
 246 #define FB_VBLANK_HBLANKING     0x002   /* currently in a horizontal blank */
 247 #define FB_VBLANK_HAVE_VBLANK   0x004   /* vertical blanks can be detected */
 248 #define FB_VBLANK_HAVE_HBLANK   0x008   /* horizontal blanks can be detected */
 249 #define FB_VBLANK_HAVE_COUNT    0x010   /* global retrace counter is available */
 250 #define FB_VBLANK_HAVE_VCOUNT   0x020   /* the vcount field is valid */
 251 #define FB_VBLANK_HAVE_HCOUNT   0x040   /* the hcount field is valid */
 252 #define FB_VBLANK_VSYNCING      0x080   /* currently in a vsync */
 253 #define FB_VBLANK_HAVE_VSYNC    0x100   /* verical syncs can be detected */
 254
 255 struct fb_vblank {
 256         __u32 flags;                    /* FB_VBLANK flags */
 257         __u32 count;                    /* counter of retraces since boot */
 258         __u32 vcount;                   /* current scanline position */
 259         __u32 hcount;                   /* current scandot position */
 260         __u32 reserved[4];              /* reserved for future compatibility */
 261 };
 262
 263 /* Internal HW accel */
 264 #define ROP_COPY 0
 265 #define ROP_XOR  1
 266
 267 struct fb_copyarea {
 268         __u32 dx;
 269         __u32 dy;
 270         __u32 width;
 271         __u32 height;
 272         __u32 sx;
 273         __u32 sy;
 274 };
 275
 276 struct fb_fillrect {
 277         __u32 dx;       /* screen-relative */
 278         __u32 dy;
 279         __u32 width;
 280         __u32 height;
 281         __u32 color;
 282         __u32 rop;
 283 };
 284
 285 struct fb_image {
 286         __u32 dx;               /* Where to place image */
 287         __u32 dy;
 288         __u32 width;            /* Size of image */
 289         __u32 height;
 290         __u32 fg_color;         /* Only used when a mono bitmap */
 291         __u32 bg_color;
 292         __u8  depth;            /* Depth of the image */
 293         const char *data;       /* Pointer to image data */
 294         struct fb_cmap cmap;    /* color map info */
 295 };
 296
 297 /*
 298  * hardware cursor control
 299  */
 300
 301 #define FB_CUR_SETCUR   0x01
 302 #define FB_CUR_SETPOS   0x02
 303 #define FB_CUR_SETHOT   0x04
 304 #define FB_CUR_SETCMAP  0x08
 305 #define FB_CUR_SETSHAPE 0x10
 306 #define FB_CUR_SETSIZE  0x20
 307 #define FB_CUR_SETALL   0xFF
 308
 309 struct fbcurpos {
 310         __u16 x, y;
 311 };
 312
 313 struct fb_cursor {
 314         __u16 set;              /* what to set */
 315         __u16 enable;           /* cursor on/off */
 316         __u16 rop;              /* bitop operation */
 317         const char *mask;       /* cursor mask bits */
 318         struct fbcurpos hot;    /* cursor hot spot */
 319         struct fb_image image;  /* Cursor image */
 320 /* all fields below are for fbcon use only */
 321         char  *data;             /* copy of bitmap */
 322 };
 323
 324 #ifdef __KERNEL__
 325
 326 #include <linux/fs.h>
 327 #include <linux/init.h>
 328 #include <linux/tty.h>
 329 #include <linux/device.h>
 330 #include <linux/workqueue.h>
 331 #include <linux/devfs_fs_kernel.h>
 332 #include <linux/notifier.h>
 333 #include <linux/list.h>
 334 #include <asm/io.h>
 335
 336 struct vm_area_struct;
 337 struct fb_info;
 338 struct device;
 339 struct file;
 340
 341 /* Definitions below are used in the parsed monitor specs */
 342 #define FB_DPMS_ACTIVE_OFF      1
 343 #define FB_DPMS_SUSPEND         2
 344 #define FB_DPMS_STANDBY         4
 345
 346 #define FB_DISP_DDI             1
 347 #define FB_DISP_ANA_700_300     2
 348 #define FB_DISP_ANA_714_286     4
 349 #define FB_DISP_ANA_1000_400    8
 350 #define FB_DISP_ANA_700_000     16
 351
 352 #define FB_DISP_MONO            32
 353 #define FB_DISP_RGB             64
 354 #define FB_DISP_MULTI           128
 355 #define FB_DISP_UNKNOWN         256
 356
 357 #define FB_SIGNAL_NONE          0
 358 #define FB_SIGNAL_BLANK_BLANK   1
 359 #define FB_SIGNAL_SEPARATE      2
 360 #define FB_SIGNAL_COMPOSITE     4
 361 #define FB_SIGNAL_SYNC_ON_GREEN 8
 362 #define FB_SIGNAL_SERRATION_ON  16
 363
 364 #define FB_MISC_PRIM_COLOR      1
 365 #define FB_MISC_1ST_DETAIL      2       /* First Detailed Timing is preferred */
 366 struct fb_chroma {
 367         __u32 redx;     /* in fraction of 1024 */
 368         __u32 greenx;
 369         __u32 bluex;
 370         __u32 whitex;
 371         __u32 redy;
 372         __u32 greeny;
 373         __u32 bluey;
 374         __u32 whitey;
 375 };
 376
 377 struct fb_monspecs {
 378         struct fb_chroma chroma;
 379         struct fb_videomode *modedb;    /* mode database */
 380         __u8  manufacturer[4];          /* Manufacturer */
 381         __u8  monitor[14];              /* Monitor String */
 382         __u8  serial_no[14];            /* Serial Number */
 383         __u8  ascii[14];                /* ? */
 384         __u32 modedb_len;               /* mode database length */
 385         __u32 model;                    /* Monitor Model */
 386         __u32 serial;                   /* Serial Number - Integer */
 387         __u32 year;                     /* Year manufactured */
 388         __u32 week;                     /* Week Manufactured */
 389         __u32 hfmin;                    /* hfreq lower limit (Hz) */
 390         __u32 hfmax;                    /* hfreq upper limit (Hz) */
 391         __u32 dclkmin;                  /* pixelclock lower limit (Hz) */
 392         __u32 dclkmax;                  /* pixelclock upper limit (Hz) */
 393         __u16 input;                    /* display type - see FB_DISP_* */
 394         __u16 dpms;                     /* DPMS support - see FB_DPMS_ */
 395         __u16 signal;                   /* Signal Type - see FB_SIGNAL_* */
 396         __u16 vfmin;                    /* vfreq lower limit (Hz) */
 397         __u16 vfmax;                    /* vfreq upper limit (Hz) */
 398         __u16 gamma;                    /* Gamma - in fractions of 100 */
 399         __u16 gtf       : 1;            /* supports GTF */
 400         __u16 misc;                     /* Misc flags - see FB_MISC_* */
 401         __u8  version;                  /* EDID version... */
 402         __u8  revision;                 /* ...and revision */
 403         __u8  max_x;                    /* Maximum horizontal size (cm) */
 404         __u8  max_y;                    /* Maximum vertical size (cm) */
 405 };
 406
 407 struct fb_cmap_user {
 408         __u32 start;                    /* First entry  */
 409         __u32 len;                      /* Number of entries */
 410         __u16 __user *red;              /* Red values   */
 411         __u16 __user *green;
 412         __u16 __user *blue;
 413         __u16 __user *transp;           /* transparency, can be NULL */
 414 };
 415
 416 struct fb_image_user {
 417         __u32 dx;                       /* Where to place image */
 418         __u32 dy;
 419         __u32 width;                    /* Size of image */
 420         __u32 height;
 421         __u32 fg_color;                 /* Only used when a mono bitmap */
 422         __u32 bg_color;
 423         __u8  depth;                    /* Depth of the image */
 424         const char __user *data;        /* Pointer to image data */
 425         struct fb_cmap_user cmap;       /* color map info */
 426 };
 427
 428 struct fb_cursor_user {
 429         __u16 set;                      /* what to set */
 430         __u16 enable;                   /* cursor on/off */
 431         __u16 rop;                      /* bitop operation */
 432         const char __user *mask;        /* cursor mask bits */
 433         struct fbcurpos hot;            /* cursor hot spot */
 434         struct fb_image_user image;     /* Cursor image */
 435 };
 436
 437 /*
 438  * Register/unregister for framebuffer events
 439  */
 440
 441 /*      The resolution of the passed in fb_info about to change */
 442 #define FB_EVENT_MODE_CHANGE            0x01
 443 /*      The display on this fb_info is beeing suspended, no access to the
 444  *      framebuffer is allowed any more after that call returns
 445  */
 446 #define FB_EVENT_SUSPEND                0x02
 447 /*      The display on this fb_info was resumed, you can restore the display
 448  *      if you own it
 449  */
 450 #define FB_EVENT_RESUME                 0x03
 451 /*      An entry from the modelist was removed */
 452 #define FB_EVENT_MODE_DELETE            0x04
 453 /*      A driver registered itself */
 454 #define FB_EVENT_FB_REGISTERED          0x05
 455 /*      get console to framebuffer mapping */
 456 #define FB_EVENT_GET_CONSOLE_MAP        0x06
 457 /*      set console to framebuffer mapping */
 458 #define FB_EVENT_SET_CONSOLE_MAP        0x07
 459
 460
 461 struct fb_event {
 462         struct fb_info *info;
 463         void *data;
 464 };
 465
 466
 467 extern int fb_register_client(struct notifier_block *nb);
 468 extern int fb_unregister_client(struct notifier_block *nb);
 469
 470 /*
 471  * Pixmap structure definition
 472  *
 473  * The purpose of this structure is to translate data
 474  * from the hardware independent format of fbdev to what
 475  * format the hardware needs.
 476  */
 477
 478 #define FB_PIXMAP_DEFAULT 1     /* used internally by fbcon */
 479 #define FB_PIXMAP_SYSTEM  2     /* memory is in system RAM  */
 480 #define FB_PIXMAP_IO      4     /* memory is iomapped       */
 481 #define FB_PIXMAP_SYNC    256   /* set if GPU can DMA       */
 482
 483 struct fb_pixmap {
 484         u8  *addr;              /* pointer to memory                    */
 485         u32 size;               /* size of buffer in bytes              */
 486         u32 offset;             /* current offset to buffer             */
 487         u32 buf_align;          /* byte alignment of each bitmap        */
 488         u32 scan_align;         /* alignment per scanline               */
 489         u32 access_align;       /* alignment per read/write             */
 490         u32 flags;              /* see FB_PIXMAP_*                      */
 491         /* access methods */
 492         void (*outbuf)(struct fb_info *info, u8 *addr, u8 *src, unsigned int size);
 493         u8   (*inbuf) (struct fb_info *info, u8 *addr);
 494 };
 495
 496
 497 /*
 498  * Frame buffer operations
 499  *
 500  * LOCKING NOTE: those functions must _ALL_ be called with the console
 501  * semaphore held, this is the only suitable locking mecanism we have
 502  * in 2.6. Some may be called at interrupt time at this point though.
 503  */
 504
 505 struct fb_ops {
 506         /* open/release and usage marking */
 507         struct module *owner;
 508         int (*fb_open)(struct fb_info *info, int user);
 509         int (*fb_release)(struct fb_info *info, int user);
 510
 511         /* For framebuffers with strange non linear layouts or that do not
 512          * work with normal memory mapped access
 513          */
 514         ssize_t (*fb_read)(struct file *file, char __user *buf, size_t count, loff_t *ppos);
 515         ssize_t (*fb_write)(struct file *file, const char __user *buf, size_t count, loff_t *ppos);
 516
 517         /* checks var and eventually tweaks it to something supported,
 518          * DO NOT MODIFY PAR */
 519         int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info);
 520
 521         /* set the video mode according to info->var */
 522         int (*fb_set_par)(struct fb_info *info);
 523
 524         /* set color register */
 525         int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
 526                             unsigned blue, unsigned transp, struct fb_info *info);
 527
 528         /* blank display */
 529         int (*fb_blank)(int blank, struct fb_info *info);
 530
 531         /* pan display */
 532         int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info);
 533
 534         /* Draws a rectangle */
 535         void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect);
 536         /* Copy data from area to another */
 537         void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region);
 538         /* Draws a image to the display */
 539         void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image);
 540
 541         /* Draws cursor */
 542         int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor);
 543
 544         /* Rotates the display */
 545         void (*fb_rotate)(struct fb_info *info, int angle);
 546
 547         /* wait for blit idle, optional */
 548         int (*fb_sync)(struct fb_info *info);
 549
 550         /* perform fb specific ioctl (optional) */
 551         int (*fb_ioctl)(struct inode *inode, struct file *file, unsigned int cmd,
 552                         unsigned long arg, struct fb_info *info);
 553
 554         /* perform fb specific mmap */
 555         int (*fb_mmap)(struct fb_info *info, struct file *file, struct vm_area_struct *vma);
 556 };
 557
 558 /* FBINFO_* = fb_info.flags bit flags */
 559 #define FBINFO_MODULE           0x0001  /* Low-level driver is a module */
 560 #define FBINFO_HWACCEL_DISABLED 0x0002
 561         /* When FBINFO_HWACCEL_DISABLED is set:
 562          *  Hardware acceleration is turned off.  Software implementations
 563          *  of required functions (copyarea(), fillrect(), and imageblit())
 564          *  takes over; acceleration engine should be in a quiescent state */
 565
 566 /* hints */
 567 #define FBINFO_PARTIAL_PAN_OK   0x0040 /* otw use pan only for double-buffering */
 568 #define FBINFO_READS_FAST       0x0080 /* soft-copy faster than rendering */
 569
 570 /* hardware supported ops */
 571 /*  semantics: when a bit is set, it indicates that the operation is
 572  *   accelerated by hardware.
 573  *  required functions will still work even if the bit is not set.
 574  *  optional functions may not even exist if the flag bit is not set.
 575  */
 576 #define FBINFO_HWACCEL_NONE             0x0000
 577 #define FBINFO_HWACCEL_COPYAREA         0x0100 /* required */
 578 #define FBINFO_HWACCEL_FILLRECT         0x0200 /* required */
 579 #define FBINFO_HWACCEL_IMAGEBLIT        0x0400 /* required */
 580 #define FBINFO_HWACCEL_ROTATE           0x0800 /* optional */
 581 #define FBINFO_HWACCEL_XPAN             0x1000 /* optional */
 582 #define FBINFO_HWACCEL_YPAN             0x2000 /* optional */
 583 #define FBINFO_HWACCEL_YWRAP            0x4000 /* optional */
 584
 585 #define FBINFO_MISC_MODECHANGEUSER     0x10000 /* mode change request
 586                                                   from userspace */
 587 #define FBINFO_MISC_MODESWITCH         0x20000 /* mode switch */
 588 #define FBINFO_MISC_MODESWITCHLATE     0x40000 /* init hardware later */
 589
 590 struct fb_info {
 591         int node;
 592         int flags;
 593         struct fb_var_screeninfo var;   /* Current var */
 594         struct fb_fix_screeninfo fix;   /* Current fix */
 595         struct fb_monspecs monspecs;    /* Current Monitor specs */
 596         struct fb_cursor cursor;        /* Current cursor */
 597         struct work_struct queue;       /* Framebuffer event queue */
 598         struct timer_list cursor_timer; /* Cursor timer */
 599         struct fb_pixmap pixmap;        /* Image hardware mapper */
 600         struct fb_pixmap sprite;        /* Cursor hardware mapper */
 601         struct fb_cmap cmap;            /* Current cmap */
 602         struct list_head modelist;      /* mode list */
 603         struct fb_ops *fbops;
 604         char __iomem *screen_base;      /* Virtual address */
 605         unsigned long screen_size;      /* Amount of ioremapped VRAM or 0 */
 606         int currcon;                    /* Current VC. */
 607         void *pseudo_palette;           /* Fake palette of 16 colors */
 608 #define FBINFO_STATE_RUNNING    0
 609 #define FBINFO_STATE_SUSPENDED  1
 610         u32 state;                      /* Hardware state i.e suspend */
 611
 612         /* From here on everything is device dependent */
 613         void *par;
 614 };
 615
 616 #ifdef MODULE
 617 #define FBINFO_DEFAULT  FBINFO_MODULE
 618 #else
 619 #define FBINFO_DEFAULT  0
 620 #endif
 621
 622 // This will go away
 623 #define FBINFO_FLAG_MODULE      FBINFO_MODULE
 624 #define FBINFO_FLAG_DEFAULT     FBINFO_DEFAULT
 625
 626 /* This will go away
 627  * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags
 628  * when it wants to turn the acceleration engine on.  This is
 629  * really a separate operation, and should be modified via sysfs.
 630  *  But for now, we leave it broken with the following define
 631  */
 632 #define STUPID_ACCELF_TEXT_SHIT
 633
 634 // This will go away
 635 #if defined(__sparc__)
 636
 637 /* We map all of our framebuffers such that big-endian accesses
 638  * are what we want, so the following is sufficient.
 639  */
 640
 641 // This will go away
 642 #define fb_readb sbus_readb
 643 #define fb_readw sbus_readw
 644 #define fb_readl sbus_readl
 645 #define fb_readq sbus_readq
 646 #define fb_writeb sbus_writeb
 647 #define fb_writew sbus_writew
 648 #define fb_writel sbus_writel
 649 #define fb_writeq sbus_writeq
 650 #define fb_memset sbus_memset_io
 651
 652 #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__)
 653
 654 #define fb_readb __raw_readb
 655 #define fb_readw __raw_readw
 656 #define fb_readl __raw_readl
 657 #define fb_readq __raw_readq
 658 #define fb_writeb __raw_writeb
 659 #define fb_writew __raw_writew
 660 #define fb_writel __raw_writel
 661 #define fb_writeq __raw_writeq
 662 #define fb_memset memset_io
 663
 664 #else
 665
 666 #define fb_readb(addr) (*(volatile u8 *) (addr))
 667 #define fb_readw(addr) (*(volatile u16 *) (addr))
 668 #define fb_readl(addr) (*(volatile u32 *) (addr))
 669 #define fb_readq(addr) (*(volatile u64 *) (addr))
 670 #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
 671 #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
 672 #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
 673 #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
 674 #define fb_memset memset
 675
 676 #endif
 677
 678     /*
 679      *  `Generic' versions of the frame buffer device operations
 680      */
 681
 682 extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var);
 683 extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var);
 684 extern int fb_blank(struct fb_info *info, int blank);
 685 extern int soft_cursor(struct fb_info *info, struct fb_cursor *cursor);
 686 extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
 687 extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
 688 extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image);
 689
 690 /* drivers/video/fbmem.c */
 691 extern int register_framebuffer(struct fb_info *fb_info);
 692 extern int unregister_framebuffer(struct fb_info *fb_info);
 693 extern int fb_prepare_logo(struct fb_info *fb_info);
 694 extern int fb_show_logo(struct fb_info *fb_info);
 695 extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);
 696 extern void fb_iomove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf,
 697                                 u8 *dst, u32 d_pitch, u8 *src, u32 idx,
 698                                 u32 height, u32 shift_high, u32 shift_low, u32 mod);
 699 extern void fb_iomove_buf_aligned(struct fb_info *info, struct fb_pixmap *buf,
 700                                 u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch,
 701                                 u32 height);
 702 extern void fb_sysmove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf,
 703                                 u8 *dst, u32 d_pitch, u8 *src, u32 idx,
 704                                 u32 height, u32 shift_high, u32 shift_low, u32 mod);
 705 extern void fb_sysmove_buf_aligned(struct fb_info *info, struct fb_pixmap *buf,
 706                                 u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch,
 707                                 u32 height);
 708 extern void fb_load_cursor_image(struct fb_info *);
 709 extern void fb_set_suspend(struct fb_info *info, int state);
 710 extern int fb_get_color_depth(struct fb_info *info);
 711 extern int fb_get_options(char *name, char **option);
 712
 713 extern struct fb_info *registered_fb[FB_MAX];
 714 extern int num_registered_fb;
 715
 716 /* drivers/video/fbsysfs.c */
 717 extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev);
 718 extern void framebuffer_release(struct fb_info *info);
 719
 720 /* drivers/video/fbmon.c */
 721 #define FB_MAXTIMINGS           0
 722 #define FB_VSYNCTIMINGS         1
 723 #define FB_HSYNCTIMINGS         2
 724 #define FB_DCLKTIMINGS          3
 725 #define FB_IGNOREMON            0x100
 726
 727 #define FB_MODE_IS_UNKNOWN      0
 728 #define FB_MODE_IS_DETAILED     1
 729 #define FB_MODE_IS_STANDARD     2
 730 #define FB_MODE_IS_VESA         4
 731 #define FB_MODE_IS_CALCULATED   8
 732 #define FB_MODE_IS_FIRST        16
 733 #define FB_MODE_IS_FROM_VAR     32
 734
 735 extern int fbmon_valid_timings(u_int pixclock, u_int htotal, u_int vtotal,
 736                                const struct fb_info *fb_info);
 737 extern int fbmon_dpms(const struct fb_info *fb_info);
 738 extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var,
 739                        struct fb_info *info);
 740 extern int fb_validate_mode(const struct fb_var_screeninfo *var,
 741                             struct fb_info *info);
 742 extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var);
 743 extern int fb_get_monitor_limits(unsigned char *edid, struct fb_monspecs *specs);
 744 extern void fb_edid_to_monspecs(unsigned char *edid, struct fb_monspecs *specs);
 745 extern int fb_get_monitor_limits(unsigned char *edid, struct fb_monspecs *specs);
 746 extern struct fb_videomode *fb_create_modedb(unsigned char *edid, int *dbsize);
 747 extern void fb_destroy_modedb(struct fb_videomode *modedb);
 748
 749 /* drivers/video/modedb.c */
 750 #define VESA_MODEDB_SIZE 34
 751 extern const struct fb_videomode vesa_modes[];
 752 extern void fb_var_to_videomode(struct fb_videomode *mode,
 753                                 struct fb_var_screeninfo *var);
 754 extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
 755                                 struct fb_videomode *mode);
 756 extern int fb_mode_is_equal(struct fb_videomode *mode1,
 757                             struct fb_videomode *mode2);
 758 extern int fb_add_videomode(struct fb_videomode *mode, struct list_head *head);
 759 extern void fb_delete_videomode(struct fb_videomode *mode,
 760                                 struct list_head *head);
 761 extern struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
 762                                           struct list_head *head);
 763 extern struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
 764                                               struct list_head *head);
 765 extern void fb_destroy_modelist(struct list_head *head);
 766 extern void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
 767                                      struct list_head *head);
 768
 769 /* drivers/video/fbcmap.c */
 770 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
 771 extern void fb_dealloc_cmap(struct fb_cmap *cmap);
 772 extern int fb_copy_cmap(struct fb_cmap *from, struct fb_cmap *to);
 773 extern int fb_cmap_to_user(struct fb_cmap *from, struct fb_cmap_user *to);
 774 extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
 775 extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
 776 extern struct fb_cmap *fb_default_cmap(int len);
 777 extern void fb_invert_cmaps(void);
 778
 779 struct fb_videomode {
 780         const char *name;       /* optional */
 781         u32 refresh;            /* optional */
 782         u32 xres;
 783         u32 yres;
 784         u32 pixclock;
 785         u32 left_margin;
 786         u32 right_margin;
 787         u32 upper_margin;
 788         u32 lower_margin;
 789         u32 hsync_len;
 790         u32 vsync_len;
 791         u32 sync;
 792         u32 vmode;
 793         u32 flag;
 794 };
 795
 796 struct fb_modelist {
 797         struct list_head list;
 798         struct fb_videomode mode;
 799 };
 800
 801 extern int fb_find_mode(struct fb_var_screeninfo *var,
 802                         struct fb_info *info, const char *mode_option,
 803                         const struct fb_videomode *db,
 804                         unsigned int dbsize,
 805                         const struct fb_videomode *default_mode,
 806                         unsigned int default_bpp);
 807
 808 #endif /* __KERNEL__ */
 809
 810 #endif /* _LINUX_FB_H */