drivers/char/drm/ffb_drv.h

   1 /* $Id: ffb_drv.h,v 1.1 2000/06/01 04:24:39 davem Exp $
   2  * ffb_drv.h: Creator/Creator3D direct rendering driver.
   3  *
   4  * Copyright (C) 2000 David S. Miller (davem@redhat.com)
   5  */
   6
   7 /* Auxilliary clips. */
   8 typedef struct {
   9         volatile unsigned int min;
  10         volatile unsigned int max;
  11 } ffb_auxclip, *ffb_auxclipPtr;
  12
  13 /* FFB register set. */
  14 typedef struct _ffb_fbc {
  15         /* Next vertex registers, on the right we list which drawops
  16          * use said register and the logical name the register has in
  17          * that context.
  18          *//* DESCRIPTION          DRAWOP(NAME)    */
  19                                         /*0x00*/ unsigned int pad1[3];
  20                                         /* Reserved                             */
  21                                                 /*0x0c*/ volatile unsigned int alpha;
  22                                                 /* ALPHA Transparency                   */
  23                                                 /*0x10*/ volatile unsigned int red;
  24                                                 /* RED                                  */
  25                                                 /*0x14*/ volatile unsigned int green;
  26                                                 /* GREEN                                */
  27                                                 /*0x18*/ volatile unsigned int blue;
  28                                                 /* BLUE                                 */
  29                                                 /*0x1c*/ volatile unsigned int z;
  30                                                 /* DEPTH                                */
  31                                                 /*0x20*/ volatile unsigned int y;
  32                                                 /* Y                    triangle(DOYF)  */
  33         /*                      aadot(DYF)      */
  34         /*                      ddline(DYF)     */
  35         /*                      aaline(DYF)     */
  36                                                 /*0x24*/ volatile unsigned int x;
  37                                                 /* X                    triangle(DOXF)  */
  38         /*                      aadot(DXF)      */
  39         /*                      ddline(DXF)     */
  40         /*                      aaline(DXF)     */
  41                                         /*0x28*/ unsigned int pad2[2];
  42                                         /* Reserved                             */
  43                                                 /*0x30*/ volatile unsigned int ryf;
  44                                                 /* Y (alias to DOYF)    ddline(RYF)     */
  45         /*                      aaline(RYF)     */
  46         /*                      triangle(RYF)   */
  47                                                 /*0x34*/ volatile unsigned int rxf;
  48                                                 /* X                    ddline(RXF)     */
  49         /*                      aaline(RXF)     */
  50         /*                      triangle(RXF)   */
  51                                         /*0x38*/ unsigned int pad3[2];
  52                                         /* Reserved                             */
  53                                                 /*0x40*/ volatile unsigned int dmyf;
  54                                                 /* Y (alias to DOYF)    triangle(DMYF)  */
  55                                                 /*0x44*/ volatile unsigned int dmxf;
  56                                                 /* X                    triangle(DMXF)  */
  57                                         /*0x48*/ unsigned int pad4[2];
  58                                         /* Reserved                             */
  59                                                 /*0x50*/ volatile unsigned int ebyi;
  60                                                 /* Y (alias to RYI)     polygon(EBYI)   */
  61                                                 /*0x54*/ volatile unsigned int ebxi;
  62                                                 /* X                    polygon(EBXI)   */
  63                                         /*0x58*/ unsigned int pad5[2];
  64                                         /* Reserved                             */
  65                                                 /*0x60*/ volatile unsigned int by;
  66                                                 /* Y                    brline(RYI)     */
  67         /*                      fastfill(OP)    */
  68         /*                      polygon(YI)     */
  69         /*                      rectangle(YI)   */
  70         /*                      bcopy(SRCY)     */
  71         /*                      vscroll(SRCY)   */
  72                                                 /*0x64*/ volatile unsigned int bx;
  73                                                 /* X                    brline(RXI)     */
  74         /*                      polygon(XI)     */
  75         /*                      rectangle(XI)   */
  76         /*                      bcopy(SRCX)     */
  77         /*                      vscroll(SRCX)   */
  78         /*                      fastfill(GO)    */
  79                                                 /*0x68*/ volatile unsigned int dy;
  80                                                 /* destination Y        fastfill(DSTY)  */
  81         /*                      bcopy(DSRY)     */
  82         /*                      vscroll(DSRY)   */
  83                                                 /*0x6c*/ volatile unsigned int dx;
  84                                                 /* destination X        fastfill(DSTX)  */
  85         /*                      bcopy(DSTX)     */
  86         /*                      vscroll(DSTX)   */
  87                                                 /*0x70*/ volatile unsigned int bh;
  88                                                 /* Y (alias to RYI)     brline(DYI)     */
  89         /*                      dot(DYI)        */
  90         /*                      polygon(ETYI)   */
  91         /* Height               fastfill(H)     */
  92         /*                      bcopy(H)        */
  93         /*                      vscroll(H)      */
  94         /* Y count              fastfill(NY)    */
  95                                                 /*0x74*/ volatile unsigned int bw;
  96                                                 /* X                    dot(DXI)        */
  97         /*                      brline(DXI)     */
  98         /*                      polygon(ETXI)   */
  99         /*                      fastfill(W)     */
 100         /*                      bcopy(W)        */
 101         /*                      vscroll(W)      */
 102         /*                      fastfill(NX)    */
 103                                         /*0x78*/ unsigned int pad6[2];
 104                                         /* Reserved                             */
 105                                         /*0x80*/ unsigned int pad7[32];
 106                                         /* Reserved                             */
 107
 108         /* Setup Unit's vertex state register */
 109 /*100*/ volatile unsigned int suvtx;
 110                                         /*104*/ unsigned int pad8[63];
 111                                         /* Reserved                             */
 112
 113         /* Frame Buffer Control Registers */
 114                                                 /*200*/ volatile unsigned int ppc;
 115                                                 /* Pixel Processor Control              */
 116                                                 /*204*/ volatile unsigned int wid;
 117                                                 /* Current WID                          */
 118                                                 /*208*/ volatile unsigned int fg;
 119                                                 /* FG data                              */
 120                                                 /*20c*/ volatile unsigned int bg;
 121                                                 /* BG data                              */
 122                                                 /*210*/ volatile unsigned int consty;
 123                                                 /* Constant Y                           */
 124                                                 /*214*/ volatile unsigned int constz;
 125                                                 /* Constant Z                           */
 126                                                 /*218*/ volatile unsigned int xclip;
 127                                                 /* X Clip                               */
 128                                                 /*21c*/ volatile unsigned int dcss;
 129                                                 /* Depth Cue Scale Slope                */
 130                                                 /*220*/ volatile unsigned int vclipmin;
 131                                                 /* Viewclip XY Min Bounds               */
 132                                                 /*224*/ volatile unsigned int vclipmax;
 133                                                 /* Viewclip XY Max Bounds               */
 134                                                         /*228*/ volatile unsigned int vclipzmin;
 135                                                         /* Viewclip Z Min Bounds                */
 136                                                         /*22c*/ volatile unsigned int vclipzmax;
 137                                                         /* Viewclip Z Max Bounds                */
 138                                                 /*230*/ volatile unsigned int dcsf;
 139                                                 /* Depth Cue Scale Front Bound          */
 140                                                 /*234*/ volatile unsigned int dcsb;
 141                                                 /* Depth Cue Scale Back Bound           */
 142                                                 /*238*/ volatile unsigned int dczf;
 143                                                 /* Depth Cue Z Front                    */
 144                                                 /*23c*/ volatile unsigned int dczb;
 145                                                 /* Depth Cue Z Back                     */
 146                                         /*240*/ unsigned int pad9;
 147                                         /* Reserved                             */
 148                                                 /*244*/ volatile unsigned int blendc;
 149                                                 /* Alpha Blend Control                  */
 150                                                 /*248*/ volatile unsigned int blendc1;
 151                                                 /* Alpha Blend Color 1                  */
 152                                                 /*24c*/ volatile unsigned int blendc2;
 153                                                 /* Alpha Blend Color 2                  */
 154                                                 /*250*/ volatile unsigned int fbramitc;
 155                                                 /* FB RAM Interleave Test Control       */
 156                                                 /*254*/ volatile unsigned int fbc;
 157                                                 /* Frame Buffer Control                 */
 158                                                 /*258*/ volatile unsigned int rop;
 159                                                 /* Raster OPeration                     */
 160                                                 /*25c*/ volatile unsigned int cmp;
 161                                                 /* Frame Buffer Compare                 */
 162                                                 /*260*/ volatile unsigned int matchab;
 163                                                 /* Buffer AB Match Mask                 */
 164                                                 /*264*/ volatile unsigned int matchc;
 165                                                 /* Buffer C(YZ) Match Mask              */
 166                                                 /*268*/ volatile unsigned int magnab;
 167                                                 /* Buffer AB Magnitude Mask             */
 168                                                 /*26c*/ volatile unsigned int magnc;
 169                                                 /* Buffer C(YZ) Magnitude Mask          */
 170                                                 /*270*/ volatile unsigned int fbcfg0;
 171                                                 /* Frame Buffer Config 0                */
 172                                                 /*274*/ volatile unsigned int fbcfg1;
 173                                                 /* Frame Buffer Config 1                */
 174                                                 /*278*/ volatile unsigned int fbcfg2;
 175                                                 /* Frame Buffer Config 2                */
 176                                                 /*27c*/ volatile unsigned int fbcfg3;
 177                                                 /* Frame Buffer Config 3                */
 178                                                 /*280*/ volatile unsigned int ppcfg;
 179                                                 /* Pixel Processor Config               */
 180                                                 /*284*/ volatile unsigned int pick;
 181                                                 /* Picking Control                      */
 182                                                 /*288*/ volatile unsigned int fillmode;
 183                                                 /* FillMode                             */
 184                                                 /*28c*/ volatile unsigned int fbramwac;
 185                                                 /* FB RAM Write Address Control         */
 186                                                 /*290*/ volatile unsigned int pmask;
 187                                                 /* RGB PlaneMask                        */
 188                                                 /*294*/ volatile unsigned int xpmask;
 189                                                 /* X PlaneMask                          */
 190                                                 /*298*/ volatile unsigned int ypmask;
 191                                                 /* Y PlaneMask                          */
 192                                                 /*29c*/ volatile unsigned int zpmask;
 193                                                 /* Z PlaneMask                          */
 194                                         /*2a0*/ ffb_auxclip auxclip[4];
 195                                         /* Auxilliary Viewport Clip             */
 196
 197         /* New 3dRAM III support regs */
 198 /*2c0*/ volatile unsigned int rawblend2;
 199 /*2c4*/ volatile unsigned int rawpreblend;
 200 /*2c8*/ volatile unsigned int rawstencil;
 201 /*2cc*/ volatile unsigned int rawstencilctl;
 202 /*2d0*/ volatile unsigned int threedram1;
 203 /*2d4*/ volatile unsigned int threedram2;
 204 /*2d8*/ volatile unsigned int passin;
 205 /*2dc*/ volatile unsigned int rawclrdepth;
 206 /*2e0*/ volatile unsigned int rawpmask;
 207 /*2e4*/ volatile unsigned int rawcsrc;
 208 /*2e8*/ volatile unsigned int rawmatch;
 209 /*2ec*/ volatile unsigned int rawmagn;
 210 /*2f0*/ volatile unsigned int rawropblend;
 211 /*2f4*/ volatile unsigned int rawcmp;
 212 /*2f8*/ volatile unsigned int rawwac;
 213 /*2fc*/ volatile unsigned int fbramid;
 214
 215                                                 /*300*/ volatile unsigned int drawop;
 216                                                 /* Draw OPeration                       */
 217                                         /*304*/ unsigned int pad10[2];
 218                                         /* Reserved                             */
 219                                                 /*30c*/ volatile unsigned int lpat;
 220                                                 /* Line Pattern control                 */
 221                                         /*310*/ unsigned int pad11;
 222                                         /* Reserved                             */
 223                                                 /*314*/ volatile unsigned int fontxy;
 224                                                 /* XY Font coordinate                   */
 225                                                 /*318*/ volatile unsigned int fontw;
 226                                                 /* Font Width                           */
 227                                                 /*31c*/ volatile unsigned int fontinc;
 228                                                 /* Font Increment                       */
 229                                                 /*320*/ volatile unsigned int font;
 230                                                 /* Font bits                            */
 231                                         /*324*/ unsigned int pad12[3];
 232                                         /* Reserved                             */
 233 /*330*/ volatile unsigned int blend2;
 234 /*334*/ volatile unsigned int preblend;
 235 /*338*/ volatile unsigned int stencil;
 236 /*33c*/ volatile unsigned int stencilctl;
 237
 238                                         /*340*/ unsigned int pad13[4];
 239                                         /* Reserved                             */
 240                                                 /*350*/ volatile unsigned int dcss1;
 241                                                 /* Depth Cue Scale Slope 1              */
 242                                                 /*354*/ volatile unsigned int dcss2;
 243                                                 /* Depth Cue Scale Slope 2              */
 244                                                 /*358*/ volatile unsigned int dcss3;
 245                                                 /* Depth Cue Scale Slope 3              */
 246 /*35c*/ volatile unsigned int widpmask;
 247 /*360*/ volatile unsigned int dcs2;
 248 /*364*/ volatile unsigned int dcs3;
 249 /*368*/ volatile unsigned int dcs4;
 250                                         /*36c*/ unsigned int pad14;
 251                                         /* Reserved                             */
 252 /*370*/ volatile unsigned int dcd2;
 253 /*374*/ volatile unsigned int dcd3;
 254 /*378*/ volatile unsigned int dcd4;
 255                                         /*37c*/ unsigned int pad15;
 256                                         /* Reserved                             */
 257                                                         /*380*/ volatile unsigned int pattern[32];
 258                                                         /* area Pattern                         */
 259                                         /*400*/ unsigned int pad16[8];
 260                                         /* Reserved                             */
 261                                                 /*420*/ volatile unsigned int reset;
 262                                                 /* chip RESET                           */
 263                                                 /*424*/ unsigned int pad17[247];
 264                                                 /* Reserved                             */
 265                                                 /*800*/ volatile unsigned int devid;
 266                                                 /* Device ID                            */
 267                                         /*804*/ unsigned int pad18[63];
 268                                         /* Reserved                             */
 269                                                 /*900*/ volatile unsigned int ucsr;
 270                                                 /* User Control & Status Register       */
 271                                         /*904*/ unsigned int pad19[31];
 272                                         /* Reserved                             */
 273                                                 /*980*/ volatile unsigned int mer;
 274                                                 /* Mode Enable Register                 */
 275                                                 /*984*/ unsigned int pad20[1439];
 276                                                 /* Reserved                             */
 277 } ffb_fbc, *ffb_fbcPtr;
 278
 279 struct ffb_hw_context {
 280         int is_2d_only;
 281
 282         unsigned int ppc;
 283         unsigned int wid;
 284         unsigned int fg;
 285         unsigned int bg;
 286         unsigned int consty;
 287         unsigned int constz;
 288         unsigned int xclip;
 289         unsigned int dcss;
 290         unsigned int vclipmin;
 291         unsigned int vclipmax;
 292         unsigned int vclipzmin;
 293         unsigned int vclipzmax;
 294         unsigned int dcsf;
 295         unsigned int dcsb;
 296         unsigned int dczf;
 297         unsigned int dczb;
 298         unsigned int blendc;
 299         unsigned int blendc1;
 300         unsigned int blendc2;
 301         unsigned int fbc;
 302         unsigned int rop;
 303         unsigned int cmp;
 304         unsigned int matchab;
 305         unsigned int matchc;
 306         unsigned int magnab;
 307         unsigned int magnc;
 308         unsigned int pmask;
 309         unsigned int xpmask;
 310         unsigned int ypmask;
 311         unsigned int zpmask;
 312         unsigned int auxclip0min;
 313         unsigned int auxclip0max;
 314         unsigned int auxclip1min;
 315         unsigned int auxclip1max;
 316         unsigned int auxclip2min;
 317         unsigned int auxclip2max;
 318         unsigned int auxclip3min;
 319         unsigned int auxclip3max;
 320         unsigned int drawop;
 321         unsigned int lpat;
 322         unsigned int fontxy;
 323         unsigned int fontw;
 324         unsigned int fontinc;
 325         unsigned int area_pattern[32];
 326         unsigned int ucsr;
 327         unsigned int stencil;
 328         unsigned int stencilctl;
 329         unsigned int dcss1;
 330         unsigned int dcss2;
 331         unsigned int dcss3;
 332         unsigned int dcs2;
 333         unsigned int dcs3;
 334         unsigned int dcs4;
 335         unsigned int dcd2;
 336         unsigned int dcd3;
 337         unsigned int dcd4;
 338         unsigned int mer;
 339 };
 340
 341 #define FFB_MAX_CTXS    32
 342
 343 enum ffb_chip_type {
 344         ffb1_prototype = 0,     /* Early pre-FCS FFB */
 345         ffb1_standard,          /* First FCS FFB, 100Mhz UPA, 66MHz gclk */
 346         ffb1_speedsort,         /* Second FCS FFB, 100Mhz UPA, 75MHz gclk */
 347         ffb2_prototype,         /* Early pre-FCS vertical FFB2 */
 348         ffb2_vertical,          /* First FCS FFB2/vertical, 100Mhz UPA, 100MHZ gclk,
 349                                    75(SingleBuffer)/83(DoubleBuffer) MHz fclk */
 350         ffb2_vertical_plus,     /* Second FCS FFB2/vertical, same timings */
 351         ffb2_horizontal,        /* First FCS FFB2/horizontal, same timings as FFB2/vert */
 352         ffb2_horizontal_plus,   /* Second FCS FFB2/horizontal, same timings */
 353         afb_m3,                 /* FCS Elite3D, 3 float chips */
 354         afb_m6                  /* FCS Elite3D, 6 float chips */
 355 };
 356
 357 typedef struct ffb_dev_priv {
 358         /* Misc software state. */
 359         int prom_node;
 360         enum ffb_chip_type ffb_type;
 361         u64 card_phys_base;
 362         struct miscdevice miscdev;
 363
 364         /* Controller registers. */
 365         ffb_fbcPtr regs;
 366
 367         /* Context table. */
 368         struct ffb_hw_context *hw_state[FFB_MAX_CTXS];
 369 } ffb_dev_priv_t;
 370
 371 extern unsigned long ffb_get_unmapped_area(struct file *filp,
 372                                            unsigned long hint,
 373                                            unsigned long len,
 374                                            unsigned long pgoff,
 375                                            unsigned long flags);
 376 extern void ffb_set_context_ioctls(void);
 377 extern drm_ioctl_desc_t DRM(ioctls)[];
 378
 379 extern int ffb_driver_context_switch(drm_device_t * dev, int old, int new);