include/asm-mips/newport.h

   1 /* $Id: newport.h,v 1.1 1998/08/19 21:58:12 ralf Exp $
   2  *
   3  * newport.h: Defines and register layout for NEWPORT graphics
   4  *            hardware.
   5  *
   6  * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
   7  */
   8
   9 #ifndef _SGI_NEWPORT_H
  10 #define _SGI_NEWPORT_H
  11
  12
  13 typedef volatile unsigned long npireg_t;
  14
  15 union npfloat {
  16         volatile float f;
  17         npireg_t       i;
  18 };
  19
  20 typedef union npfloat npfreg_t;
  21
  22 union np_dcb {
  23         npireg_t all;
  24         struct { volatile unsigned short s0, s1; } hwords;
  25         struct { volatile unsigned char b0, b1, b2, b3; } bytes;
  26 };
  27
  28 struct newport_rexregs {
  29         npireg_t drawmode1;      /* GL extra mode bits */
  30
  31 #define DM1_PLANES         0x00000007
  32 #define    DM1_NOPLANES    0x00000000
  33 #define    DM1_RGBPLANES   0x00000001
  34 #define    DM1_RGBAPLANES  0x00000002
  35 #define    DM1_OLAYPLANES  0x00000004
  36 #define    DM1_PUPPLANES   0x00000005
  37 #define    DM1_CIDPLANES   0x00000006
  38
  39 #define NPORT_DMODE1_DDMASK      0x00000018
  40 #define NPORT_DMODE1_DD4         0x00000000
  41 #define NPORT_DMODE1_DD8         0x00000008
  42 #define NPORT_DMODE1_DD12        0x00000010
  43 #define NPORT_DMODE1_DD24        0x00000018
  44 #define NPORT_DMODE1_DSRC        0x00000020
  45 #define NPORT_DMODE1_YFLIP       0x00000040
  46 #define NPORT_DMODE1_RWPCKD      0x00000080
  47 #define NPORT_DMODE1_HDMASK      0x00000300
  48 #define NPORT_DMODE1_HD4         0x00000000
  49 #define NPORT_DMODE1_HD8         0x00000100
  50 #define NPORT_DMODE1_HD12        0x00000200
  51 #define NPORT_DMODE1_HD32        0x00000300
  52 #define NPORT_DMODE1_RWDBL       0x00000400
  53 #define NPORT_DMODE1_ESWAP       0x00000800 /* Endian swap */
  54 #define NPORT_DMODE1_CCMASK      0x00007000
  55 #define NPORT_DMODE1_CCLT        0x00001000
  56 #define NPORT_DMODE1_CCEQ        0x00002000
  57 #define NPORT_DMODE1_CCGT        0x00004000
  58 #define NPORT_DMODE1_RGBMD       0x00008000
  59 #define NPORT_DMODE1_DENAB       0x00010000 /* Dither enable */
  60 #define NPORT_DMODE1_FCLR        0x00020000 /* Fast clear */
  61 #define NPORT_DMODE1_BENAB       0x00040000 /* Blend enable */
  62 #define NPORT_DMODE1_SFMASK      0x00380000
  63 #define NPORT_DMODE1_SF0         0x00000000
  64 #define NPORT_DMODE1_SF1         0x00080000
  65 #define NPORT_DMODE1_SFDC        0x00100000
  66 #define NPORT_DMODE1_SFMDC       0x00180000
  67 #define NPORT_DMODE1_SFSA        0x00200000
  68 #define NPORT_DMODE1_SFMSA       0x00280000
  69 #define NPORT_DMODE1_DFMASK      0x01c00000
  70 #define NPORT_DMODE1_DF0         0x00000000
  71 #define NPORT_DMODE1_DF1         0x00400000
  72 #define NPORT_DMODE1_DFSC        0x00800000
  73 #define NPORT_DMODE1_DFMSC       0x00c00000
  74 #define NPORT_DMODE1_DFSA        0x01000000
  75 #define NPORT_DMODE1_DFMSA       0x01400000
  76 #define NPORT_DMODE1_BBENAB      0x02000000 /* Back blend enable */
  77 #define NPORT_DMODE1_PFENAB      0x04000000 /* Pre-fetch enable */
  78 #define NPORT_DMODE1_ABLEND      0x08000000 /* Alpha blend */
  79 #define NPORT_DMODE1_LOMASK      0xf0000000
  80 #define NPORT_DMODE1_LOZERO      0x00000000
  81 #define NPORT_DMODE1_LOAND       0x10000000
  82 #define NPORT_DMODE1_LOANDR      0x20000000
  83 #define NPORT_DMODE1_LOSRC       0x30000000
  84 #define NPORT_DMODE1_LOANDI      0x40000000
  85 #define NPORT_DMODE1_LODST       0x50000000
  86 #define NPORT_DMODE1_LOXOR       0x60000000
  87 #define NPORT_DMODE1_LOOR        0x70000000
  88 #define NPORT_DMODE1_LONOR       0x80000000
  89 #define NPORT_DMODE1_LOXNOR      0x90000000
  90 #define NPORT_DMODE1_LONDST      0xa0000000
  91 #define NPORT_DMODE1_LOORR       0xb0000000
  92 #define NPORT_DMODE1_LONSRC      0xc0000000
  93 #define NPORT_DMODE1_LOORI       0xd0000000
  94 #define NPORT_DMODE1_LONAND      0xe0000000
  95 #define NPORT_DMODE1_LOONE       0xf0000000
  96
  97         npireg_t drawmode0;      /* REX command register */
  98
  99         /* These bits define the graphics opcode being performed. */
 100 #define NPORT_DMODE0_OPMASK   0x00000003 /* Opcode mask */
 101 #define NPORT_DMODE0_NOP      0x00000000 /* No operation */
 102 #define NPORT_DMODE0_RD       0x00000001 /* Read operation */
 103 #define NPORT_DMODE0_DRAW     0x00000002 /* Draw operation */
 104 #define NPORT_DMODE0_S2S      0x00000003 /* Screen to screen operation */
 105
 106         /* The following decide what addressing mode(s) are to be used */
 107 #define NPORT_DMODE0_AMMASK   0x0000001c /* Address mode mask */
 108 #define NPORT_DMODE0_SPAN     0x00000000 /* Spanning address mode */
 109 #define NPORT_DMODE0_BLOCK    0x00000004 /* Block address mode */
 110 #define NPORT_DMODE0_ILINE    0x00000008 /* Iline address mode */
 111 #define NPORT_DMODE0_FLINE    0x0000000c /* Fline address mode */
 112 #define NPORT_DMODE0_ALINE    0x00000010 /* Aline address mode */
 113 #define NPORT_DMODE0_TLINE    0x00000014 /* Tline address mode */
 114 #define NPORT_DMODE0_BLINE    0x00000018 /* Bline address mode */
 115
 116         /* And now some misc. operation control bits. */
 117 #define NPORT_DMODE0_DOSETUP  0x00000020
 118 #define NPORT_DMODE0_CHOST    0x00000040
 119 #define NPORT_DMODE0_AHOST    0x00000080
 120 #define NPORT_DMODE0_STOPX    0x00000100
 121 #define NPORT_DMODE0_STOPY    0x00000200
 122 #define NPORT_DMODE0_SK1ST    0x00000400
 123 #define NPORT_DMODE0_SKLST    0x00000800
 124 #define NPORT_DMODE0_ZPENAB   0x00001000
 125 #define NPORT_DMODE0_LISPENAB 0x00002000
 126 #define NPORT_DMODE0_LISLST   0x00004000
 127 #define NPORT_DMODE0_L32      0x00008000
 128 #define NPORT_DMODE0_ZOPQ     0x00010000
 129 #define NPORT_DMODE0_LISOPQ   0x00020000
 130 #define NPORT_DMODE0_SHADE    0x00040000
 131 #define NPORT_DMODE0_LRONLY   0x00080000
 132 #define NPORT_DMODE0_XYOFF    0x00100000
 133 #define NPORT_DMODE0_CLAMP    0x00200000
 134 #define NPORT_DMODE0_ENDPF    0x00400000
 135 #define NPORT_DMODE0_YSTR     0x00800000
 136
 137         npireg_t lsmode;      /* Mode for line stipple ops */
 138         npireg_t lspattern;   /* Pattern for line stipple ops */
 139         npireg_t lspatsave;   /* Backup save pattern */
 140         npireg_t zpattern;    /* Pixel zpattern */
 141         npireg_t colorback;   /* Background color */
 142         npireg_t colorvram;   /* Clear color for fast vram */
 143         npireg_t alpharef;    /* Reference value for afunctions */
 144         unsigned long pad0;
 145         npireg_t smask0x;     /* Window GL relative screen mask 0 */
 146         npireg_t smask0y;     /* Window GL relative screen mask 0 */
 147         npireg_t _setup;
 148         npireg_t _stepz;
 149         npireg_t _lsrestore;
 150         npireg_t _lssave;
 151
 152         unsigned long _pad1[0x30];
 153
 154         /* Iterators, full state for context switch */
 155         npfreg_t _xstart;       /* X-start point (current) */
 156         npfreg_t _ystart;       /* Y-start point (current) */
 157         npfreg_t _xend;         /* x-end point */
 158         npfreg_t _yend;         /* y-end point */
 159         npireg_t xsave;         /* copy of xstart integer value for BLOCk addressing MODE */
 160         npireg_t xymove;        /* x.y offset from xstart, ystart for relative operations */
 161         npfreg_t bresd;
 162         npfreg_t bress1;;
 163         npireg_t bresoctinc1;
 164         volatile int bresrndinc2;
 165         npireg_t brese1;
 166         npireg_t bress2;
 167         npireg_t aweight0;
 168         npireg_t aweight1;
 169         npfreg_t xstartf;
 170         npfreg_t ystartf;
 171         npfreg_t xendf;
 172         npfreg_t yendf;
 173         npireg_t xstarti;
 174         npfreg_t xendf1;
 175         npireg_t xystarti;
 176         npireg_t xyendi;
 177         npireg_t xstartendi;
 178
 179         unsigned long _unused2[0x29];
 180
 181         npfreg_t colorred;
 182         npfreg_t coloralpha;
 183         npfreg_t colorgrn;
 184         npfreg_t colorblue;
 185         npfreg_t slopered;
 186         npfreg_t slopealpha;
 187         npfreg_t slopegrn;
 188         npfreg_t slopeblue;
 189         npireg_t wrmask;
 190         npireg_t colori;
 191         npfreg_t colorx;
 192         npfreg_t slopered1;
 193         npireg_t hostrw0;
 194         npireg_t hostrw1;
 195         npireg_t dcbmode;
 196 #define NPORT_DMODE_WMASK   0x00000003
 197 #define NPORT_DMODE_W4      0x00000000
 198 #define NPORT_DMODE_W1      0x00000001
 199 #define NPORT_DMODE_W2      0x00000002
 200 #define NPORT_DMODE_W3      0x00000003
 201 #define NPORT_DMODE_EDPACK  0x00000004
 202 #define NPORT_DMODE_ECINC   0x00000008
 203 #define NPORT_DMODE_CMASK   0x00000070
 204 #define NPORT_DMODE_AMASK   0x00000780
 205 #define NPORT_DMODE_AVC2    0x00000000
 206 #define NPORT_DMODE_ACMALL  0x00000080
 207 #define NPORT_DMODE_ACM0    0x00000100
 208 #define NPORT_DMODE_ACM1    0x00000180
 209 #define NPORT_DMODE_AXMALL  0x00000200
 210 #define NPORT_DMODE_AXM0    0x00000280
 211 #define NPORT_DMODE_AXM1    0x00000300
 212 #define NPORT_DMODE_ABT     0x00000380
 213 #define NPORT_DMODE_AVCC1   0x00000400
 214 #define NPORT_DMODE_AVAB1   0x00000480
 215 #define NPORT_DMODE_ALG3V0  0x00000500
 216 #define NPORT_DMODE_A1562   0x00000580
 217 #define NPORT_DMODE_ESACK   0x00000800
 218 #define NPORT_DMODE_EASACK  0x00001000
 219 #define NPORT_DMODE_CWMASK  0x0003e000
 220 #define NPORT_DMODE_CHMASK  0x007c0000
 221 #define NPORT_DMODE_CSMASK  0x0f800000
 222 #define NPORT_DMODE_SENDIAN 0x10000000
 223
 224         unsigned long _unused3;
 225
 226         union np_dcb dcbdata0;
 227         npireg_t dcbdata1;
 228 };
 229
 230 struct newport_cregs {
 231         npireg_t smask1x;
 232         npireg_t smask1y;
 233         npireg_t smask2x;
 234         npireg_t smask2y;
 235         npireg_t smask3x;
 236         npireg_t smask3y;
 237         npireg_t smask4x;
 238         npireg_t smask4y;
 239         npireg_t topscan;
 240         npireg_t xywin;
 241         npireg_t clipmode;
 242 #define NPORT_CMODE_SM0   0x00000001
 243 #define NPORT_CMODE_SM1   0x00000002
 244 #define NPORT_CMODE_SM2   0x00000004
 245 #define NPORT_CMODE_SM3   0x00000008
 246 #define NPORT_CMODE_SM4   0x00000010
 247 #define NPORT_CMODE_CMSK  0x00001e00
 248
 249         unsigned long _unused0;
 250         unsigned long config;
 251 #define NPORT_CFG_G32MD   0x00000001
 252 #define NPORT_CFG_BWIDTH  0x00000002
 253 #define NPORT_CFG_ERCVR   0x00000004
 254 #define NPORT_CFG_BDMSK   0x00000078
 255 #define NPORT_CFG_GDMSK   0x00000f80
 256 #define NPORT_CFG_GD0     0x00000080
 257 #define NPORT_CFG_GD1     0x00000100
 258 #define NPORT_CFG_GD2     0x00000200
 259 #define NPORT_CFG_GD3     0x00000400
 260 #define NPORT_CFG_GD4     0x00000800
 261 #define NPORT_CFG_GFAINT  0x00001000
 262 #define NPORT_CFG_TOMSK   0x0000e000
 263 #define NPORT_CFG_VRMSK   0x00070000
 264 #define NPORT_CFG_FBTYP   0x00080000
 265
 266         npireg_t _unused1;
 267         npireg_t stat;
 268 #define NPORT_STAT_VERS   0x00000007
 269 #define NPORT_STAT_GBUSY  0x00000008
 270 #define NPORT_STAT_BBUSY  0x00000010
 271 #define NPORT_STAT_VRINT  0x00000020
 272 #define NPORT_STAT_VIDINT 0x00000040
 273 #define NPORT_STAT_GLMSK  0x00001f80
 274 #define NPORT_STAT_BLMSK  0x0007e000
 275 #define NPORT_STAT_BFIRQ  0x00080000
 276 #define NPORT_STAT_GFIRQ  0x00100000
 277
 278         npireg_t ustat;
 279         npireg_t dreset;
 280 };
 281
 282 struct newport_regs {
 283         struct newport_rexregs set;
 284         unsigned long _unused0[0x16e];
 285         struct newport_rexregs go;
 286         unsigned long _unused1[0x22e];
 287         struct newport_cregs cset;
 288         unsigned long _unused2[0x1ef];
 289         struct newport_cregs cgo;
 290 };
 291 extern struct newport_regs *npregs;
 292
 293
 294 typedef struct {
 295         unsigned int drawmode1;
 296         unsigned int drawmode0;
 297         unsigned int lsmode;
 298         unsigned int lspattern;
 299         unsigned int lspatsave;
 300         unsigned int zpattern;
 301         unsigned int colorback;
 302         unsigned int colorvram;
 303         unsigned int alpharef;
 304         unsigned int smask0x;
 305         unsigned int smask0y;
 306         unsigned int _xstart;
 307         unsigned int _ystart;
 308         unsigned int _xend;
 309         unsigned int _yend;
 310         unsigned int xsave;
 311         unsigned int xymove;
 312         unsigned int bresd;
 313         unsigned int bress1;
 314         unsigned int bresoctinc1;
 315         unsigned int bresrndinc2;
 316         unsigned int brese1;
 317         unsigned int bress2;
 318
 319         unsigned int aweight0;
 320         unsigned int aweight1;
 321         unsigned int colorred;
 322         unsigned int coloralpha;
 323         unsigned int colorgrn;
 324         unsigned int colorblue;
 325         unsigned int slopered;
 326         unsigned int slopealpha;
 327         unsigned int slopegrn;
 328         unsigned int slopeblue;
 329         unsigned int wrmask;
 330         unsigned int hostrw0;
 331         unsigned int hostrw1;
 332
 333         /* configregs */
 334
 335         unsigned int smask1x;
 336         unsigned int smask1y;
 337         unsigned int smask2x;
 338         unsigned int smask2y;
 339         unsigned int smask3x;
 340         unsigned int smask3y;
 341         unsigned int smask4x;
 342         unsigned int smask4y;
 343         unsigned int topscan;
 344         unsigned int xywin;
 345         unsigned int clipmode;
 346         unsigned int config;
 347
 348         /* dcb registers */
 349         unsigned int dcbmode;
 350         unsigned int dcbdata0;
 351         unsigned int dcbdata1;
 352 } newport_ctx;
 353
 354 /* Reading/writing VC2 registers. */
 355 #define VC2_REGADDR_INDEX      0x00000000
 356 #define VC2_REGADDR_IREG       0x00000010
 357 #define VC2_REGADDR_RAM        0x00000030
 358 #define VC2_PROTOCOL           (NPORT_DMODE_EASACK | 0x00800000 | 0x00040000)
 359
 360 #define VC2_VLINET_ADDR        0x000
 361 #define VC2_VFRAMET_ADDR       0x400
 362 #define VC2_CGLYPH_ADDR        0x500
 363
 364 /* Now the Indexed registers of the VC2. */
 365 #define VC2_IREG_VENTRY        0x00
 366 #define VC2_IREG_CENTRY        0x01
 367 #define VC2_IREG_CURSX         0x02
 368 #define VC2_IREG_CURSY         0x03
 369 #define VC2_IREG_CCURSX        0x04
 370 #define VC2_IREG_DENTRY        0x05
 371 #define VC2_IREG_SLEN          0x06
 372 #define VC2_IREG_RADDR         0x07
 373 #define VC2_IREG_VFPTR         0x08
 374 #define VC2_IREG_VLSPTR        0x09
 375 #define VC2_IREG_VLIR          0x0a
 376 #define VC2_IREG_VLCTR         0x0b
 377 #define VC2_IREG_CTPTR         0x0c
 378 #define VC2_IREG_WCURSY        0x0d
 379 #define VC2_IREG_DFPTR         0x0e
 380 #define VC2_IREG_DLTPTR        0x0f
 381 #define VC2_IREG_CONTROL       0x10
 382 #define VC2_IREG_CONFIG        0x20
 383
 384 extern inline void newport_vc2_set(struct newport_regs *regs, unsigned char vc2ireg,
 385                                    unsigned short val)
 386 {
 387         regs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_INDEX | NPORT_DMODE_W3 |
 388                            NPORT_DMODE_ECINC | VC2_PROTOCOL);
 389         regs->set.dcbdata0.all = (vc2ireg << 24) | (val << 8);
 390 }
 391
 392 extern inline unsigned short newport_vc2_get(struct newport_regs *regs,
 393                                              unsigned char vc2ireg)
 394 {
 395         regs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_INDEX | NPORT_DMODE_W1 |
 396                            NPORT_DMODE_ECINC | VC2_PROTOCOL);
 397         regs->set.dcbdata0.bytes.b3 = vc2ireg;
 398         regs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_IREG | NPORT_DMODE_W2 |
 399                            NPORT_DMODE_ECINC | VC2_PROTOCOL);
 400         return regs->set.dcbdata0.hwords.s1;
 401 }
 402
 403 /* VC2 Control register bits */
 404 #define VC2_CTRL_EVIRQ     0x0001
 405 #define VC2_CTRL_EDISP     0x0002
 406 #define VC2_CTRL_EVIDEO    0x0004
 407 #define VC2_CTRL_EDIDS     0x0008
 408 #define VC2_CTRL_ECURS     0x0010
 409 #define VC2_CTRL_EGSYNC    0x0020
 410 #define VC2_CTRL_EILACE    0x0040
 411 #define VC2_CTRL_ECDISP    0x0080
 412 #define VC2_CTRL_ECCURS    0x0100
 413 #define VC2_CTRL_ECG64     0x0200
 414 #define VC2_CTRL_GLSEL     0x0400
 415
 416 /* Controlling the color map on NEWPORT. */
 417 #define NCMAP_REGADDR_AREG   0x00000000
 418 #define NCMAP_REGADDR_ALO    0x00000000
 419 #define NCMAP_REGADDR_AHI    0x00000010
 420 #define NCMAP_REGADDR_PBUF   0x00000020
 421 #define NCMAP_REGADDR_CREG   0x00000030
 422 #define NCMAP_REGADDR_SREG   0x00000040
 423 #define NCMAP_REGADDR_RREG   0x00000060
 424 #define NCMAP_PROTOCOL       (0x00008000 | 0x00040000 | 0x00800000)
 425
 426 static inline void newport_cmap_setaddr(struct newport_regs *regs,
 427                                         unsigned short addr)
 428 {
 429         regs->set.dcbmode = (NPORT_DMODE_ACMALL | NCMAP_PROTOCOL |
 430                            NPORT_DMODE_SENDIAN | NPORT_DMODE_ECINC |
 431                            NCMAP_REGADDR_AREG | NPORT_DMODE_W2);
 432         regs->set.dcbdata0.hwords.s1 = addr;
 433         regs->set.dcbmode = (NPORT_DMODE_ACMALL | NCMAP_PROTOCOL |
 434                            NCMAP_REGADDR_PBUF | NPORT_DMODE_W3);
 435 }
 436
 437 static inline void newport_cmap_setrgb(struct newport_regs *regs,
 438                                        unsigned char red,
 439                                        unsigned char green,
 440                                        unsigned char blue)
 441 {
 442         regs->set.dcbdata0.all =
 443                 (red << 24) |
 444                 (green << 16) |
 445                 (blue << 8);
 446 }
 447
 448 /* Miscellaneous NEWPORT routines. */
 449 #define BUSY_TIMEOUT 100000
 450 static inline int newport_wait(void)
 451 {
 452         int i = 0;
 453
 454         while(i < BUSY_TIMEOUT)
 455                 if(!(npregs->cset.stat & NPORT_STAT_GBUSY))
 456                         break;
 457         if(i == BUSY_TIMEOUT)
 458                 return 1;
 459         return 0;
 460 }
 461
 462 static inline int newport_bfwait(void)
 463 {
 464         int i = 0;
 465
 466         while(i < BUSY_TIMEOUT)
 467                 if(!(npregs->cset.stat & NPORT_STAT_BBUSY))
 468                         break;
 469         if(i == BUSY_TIMEOUT)
 470                 return 1;
 471         return 0;
 472 }
 473
 474 /* newport.c and cons_newport.c routines */
 475 extern struct graphics_ops *newport_probe (int, const char **);
 476
 477 void newport_save    (void *);
 478 void newport_restore (void *);
 479 void newport_reset   (void);
 480 int  newport_ioctl   (int card, int cmd, unsigned long arg);
 481
 482 /*
 483  * DCBMODE register defines:
 484  */
 485
 486 /* Widht of the data being transfered for each DCBDATA[01] word */
 487 #define DCB_DATAWIDTH_4 0x0
 488 #define DCB_DATAWIDTH_1 0x1
 489 #define DCB_DATAWIDTH_2 0x2
 490 #define DCB_DATAWIDTH_3 0x3
 491
 492 /* If set, all of DCBDATA will be moved, otherwise only DATAWIDTH bytes */
 493 #define DCB_ENDATAPACK   (1 << 2)
 494
 495 /* Enables DCBCRS auto increment after each DCB transfer */
 496 #define DCB_ENCRSINC     (1 << 3)
 497
 498 /* shift for accessing the control register select address (DBCCRS, 3 bits) */
 499 #define DCB_CRS_SHIFT    4
 500
 501 /* DCBADDR (4 bits): display bus slave address */
 502 #define DCB_ADDR_SHIFT   7
 503 #define DCB_VC2          (0 <<  DCB_ADDR_SHIFT)
 504 #define DCB_CMAP_ALL     (1 <<  DCB_ADDR_SHIFT)
 505 #define DCB_CMAP0        (2 <<  DCB_ADDR_SHIFT)
 506 #define DCB_CMAP1        (3 <<  DCB_ADDR_SHIFT)
 507 #define DCB_XMAP_ALL     (4 <<  DCB_ADDR_SHIFT)
 508 #define DCB_XMAP0        (5 <<  DCB_ADDR_SHIFT)
 509 #define DCB_XMAP1        (6 <<  DCB_ADDR_SHIFT)
 510 #define DCB_BT445        (7 <<  DCB_ADDR_SHIFT)
 511 #define DCB_VCC1         (8 <<  DCB_ADDR_SHIFT)
 512 #define DCB_VAB1         (9 <<  DCB_ADDR_SHIFT)
 513 #define DCB_LG3_BDVERS0  (10 << DCB_ADDR_SHIFT)
 514 #define DCB_LG3_ICS1562  (11 << DCB_ADDR_SHIFT)
 515 #define DCB_RESERVED     (15 << DCB_ADDR_SHIFT)
 516
 517 /* DCB protocol ack types */
 518 #define DCB_ENSYNCACK    (1 << 11)
 519 #define DCB_ENASYNCACK   (1 << 12)
 520
 521 #define DCB_CSWIDTH_SHIFT 13
 522 #define DCB_CSHOLD_SHIFT  18
 523 #define DCB_CSSETUP_SHIFT 23
 524
 525 /* XMAP9 specific defines */
 526 /*   XMAP9 -- registers as seen on the DCBMODE register*/
 527 #   define XM9_CRS_CONFIG            (0 << DCB_CRS_SHIFT)
 528 #       define XM9_PUPMODE           (1 << 0)
 529 #       define XM9_ODD_PIXEL         (1 << 1)
 530 #       define XM9_8_BITPLANES       (1 << 2)
 531 #       define XM9_SLOW_DCB          (1 << 3)
 532 #       define XM9_VIDEO_RGBMAP_MASK (3 << 4)
 533 #       define XM9_EXPRESS_VIDEO     (1 << 6)
 534 #       define XM9_VIDEO_OPTION      (1 << 7)
 535 #   define XM9_CRS_REVISION          (1 << DCB_CRS_SHIFT)
 536 #   define XM9_CRS_FIFO_AVAIL        (2 << DCB_CRS_SHIFT)
 537 #       define XM9_FIFO_0_AVAIL      0
 538 #       define XM9_FIFO_1_AVAIL      1
 539 #       define XM9_FIFO_2_AVAIL      3
 540 #       define XM9_FIFO_3_AVAIL      2
 541 #       define XM9_FIFO_FULL         XM9_FIFO_0_AVAIL
 542 #       define XM9_FIFO_EMPTY        XM9_FIFO_3_AVAIL
 543 #   define XM9_CRS_CURS_CMAP_MSB     (3 << DCB_CRS_SHIFT)
 544 #   define XM9_CRS_PUP_CMAP_MSB      (4 << DCB_CRS_SHIFT)
 545 #   define XM9_CRS_MODE_REG_DATA     (5 << DCB_CRS_SHIFT)
 546 #   define XM9_CRS_MODE_REG_INDEX    (7 << DCB_CRS_SHIFT)
 547
 548
 549 #define DCB_CYCLES(setup,hold,width)                \
 550                   ((hold << DCB_CSHOLD_SHIFT)  |    \
 551                    (setup << DCB_CSSETUP_SHIFT)|    \
 552                    (width << DCB_CSWIDTH_SHIFT))
 553
 554 #define W_DCB_XMAP9_PROTOCOL       DCB_CYCLES (2, 1, 0)
 555 #define WSLOW_DCB_XMAP9_PROTOCOL   DCB_CYCLES (5, 5, 0)
 556 #define WAYSLOW_DCB_XMAP9_PROTOCOL DCB_CYCLES (12, 12, 0)
 557 #define R_DCB_XMAP9_PROTOCOL       DCB_CYCLES (2, 1, 3)
 558
 559 static inline void
 560 xmap9FIFOWait (struct newport_regs *rex)
 561 {
 562         rex->set.dcbmode = DCB_XMAP0 | XM9_CRS_FIFO_AVAIL |
 563                 DCB_DATAWIDTH_1 | R_DCB_XMAP9_PROTOCOL;
 564         newport_bfwait ();
 565
 566         while ((rex->set.dcbdata0.bytes.b3 & 3) != XM9_FIFO_EMPTY)
 567                 ;
 568 }
 569
 570 static inline void
 571 xmap9SetModeReg (struct newport_regs *rex, unsigned int modereg, unsigned int data24, int cfreq)
 572 {
 573         if (cfreq > 119)
 574             rex->set.dcbmode = DCB_XMAP_ALL | XM9_CRS_MODE_REG_DATA |
 575                         DCB_DATAWIDTH_4 | W_DCB_XMAP9_PROTOCOL;
 576         else if (cfreq > 59)
 577             rex->set.dcbmode = DCB_XMAP_ALL | XM9_CRS_MODE_REG_DATA |
 578                     DCB_DATAWIDTH_4 | WSLOW_DCB_XMAP9_PROTOCOL;
 579         else
 580             rex->set.dcbmode = DCB_XMAP_ALL | XM9_CRS_MODE_REG_DATA |
 581                         DCB_DATAWIDTH_4 | WAYSLOW_DCB_XMAP9_PROTOCOL;
 582         rex->set.dcbdata0.all = ((modereg) << 24) | (data24 & 0xffffff);
 583 }
 584
 585 #define BT445_PROTOCOL          DCB_CYCLES(1,1,3)
 586
 587 #define BT445_CSR_ADDR_REG      (0 << DCB_CRS_SHIFT)
 588 #define BT445_CSR_REVISION      (2 << DCB_CRS_SHIFT)
 589
 590 #define BT445_REVISION_REG      0x01
 591
 592 #endif /* !(_SGI_NEWPORT_H) */
 593