usr/src/sys/hp300/dev/grf_dvreg.h

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * %sccs.include.redist.c%
 *
 * from: Utah $Hdr: grf_dvreg.h 1.1 90/07/09$
 *
 *      @(#)grf_dvreg.h 7.2 (Berkeley) %G%
 */

/*
 * Map of the DaVinci frame buffer controller chip in memory ...
 */

#define db_waitbusy(regaddr) \
        while (((struct dvboxfb *)(regaddr))->wbusy || \
               ((struct dvboxfb *)(regaddr))->as_busy) DELAY(100)

#define vu_char         volatile u_char
#define vu_short        volatile u_short
#define vu_int          volatile u_int

struct rgb {
  u_char :8, :8, :8;
  vu_char red;
  u_char :8, :8, :8;
  vu_char green;
  u_char :8, :8, :8;
  vu_char blue;
};

struct dvboxfb {
  u_char        :8;
  vu_char       reset;                  /* reset register               0x01 */
  u_char        fb_address;             /* frame buffer address         0x02 */
  vu_char       interrupt;              /* interrupt register           0x03 */
  u_char        :8;
  vu_char       fbwmsb;                 /* frame buffer width MSB       0x05 */
  u_char        :8;
  vu_char       fbwlsb;                 /* frame buffer width MSB       0x07 */
  u_char        :8;
  vu_char       fbhmsb;                 /* frame buffer height MSB      0x09 */
  u_char        :8;
  vu_char       fbhlsb;                 /* frame buffer height MSB      0x0b */
  u_char        :8;
  vu_char       dwmsb;                  /* display width MSB            0x0d */
  u_char        :8;
  vu_char       dwlsb;                  /* display width MSB            0x0f */
  u_char        :8;
  vu_char       dhmsb;                  /* display height MSB           0x11 */
  u_char        :8;
  vu_char       dhlsb;                  /* display height MSB           0x13 */
  u_char        :8;
  vu_char       fbid;                   /* frame buffer id              0x15 */
  u_char        f1[0x47];
  vu_char       fbomsb;                 /* frame buffer offset MSB      0x5d */
  u_char        :8;
  vu_char       fbolsb;                 /* frame buffer offset LSB      0x5f */
  u_char        f2[16359];
  vu_char       wbusy;                  /* Window move in progress    0x4047 */
  u_char        f3[0x405b-0x4047-1];
  vu_char       as_busy;                /* Scan accessing frame buf.  0x405B */
  u_char        f4[0x4090-0x405b-1];
  vu_int        fbwen;                  /* Frame buffer write enable  0x4090 */
  u_char        f5[0x409f-0x4090-4];
  vu_char       wmove;                  /* Initiate window move.      0x409F */
  u_char        f6[0x40b3-0x409f-1];
  vu_char       fold;                   /* Byte/longword per pixel    0x40B3 */
  u_char        f7[0x40b7-0x40b3-1];
  vu_char       opwen;                  /* Overlay plane write enable 0x40B7 */
  u_char        f8[0x40bf-0x40b7-1];
  vu_char       drive;                  /* Select FB vs. Overlay.     0x40BF */

  u_char        f8a[0x40cb-0x40bf-1];
  vu_char       zconfig;                /* Z buffer configuration     0x40CB */
  u_char        f8b[0x40cf-0x40cb-1];
  vu_char       alt_rr;                 /* Alternate replacement rule 0x40CF */
  u_char        f8c[0x40d3-0x40cf-1];
  vu_char       zrr;                    /* Z replacement rule         0x40D3 */

  u_char        f9[0x40d7-0x40d3-1];
  vu_char       en_scan;                /* Enable scan DTACK.         0x40D7 */
  u_char        f10[0x40ef-0x40d7-1];
  vu_char       rep_rule;               /* Replacement rule           0x40EF */
  u_char        f11[0x40f2-0x40ef-1];
  vu_short      source_x;               /* Window source X origin     0x40F2 */
  u_char        f12[0x40f6-0x40f2-2];
  vu_short      source_y;               /* Window source Y origin     0x40F6 */
  u_char        f13[0x40fa-0x40f6-2];
  vu_short      dest_x;                 /* Window dest X origin       0x40FA */
  u_char        f14[0x40fe-0x40fa-2];
  vu_short      dest_y;                 /* Window dest Y origin       0x40FE */
  u_char        f15[0x4102-0x40fe-2];
  vu_short      wwidth;                 /* Window width               0x4102 */
  u_char        f16[0x4106-0x4102-2];
  vu_short      wheight;                /* Window height              0x4106 */
  u_char        f17[0x6003-0x4106-2];
  vu_char       cmapbank;               /* Bank select (0 or 1)       0x6003 */
  u_char        f18[0x6007-0x6003-1];
  vu_char       dispen;                 /* Display enable             0x6007 */

  u_char        f18a[0x600B-0x6007-1];
  vu_char       fbvenp;                 /* Frame buffer video enable  0x600B */
  u_char        f18b[0x6017-0x600B-1];
  vu_char       fbvens;                 /* fbvenp blink counterpart   0x6017 */

  u_char        f19[0x6023-0x6017-1];
  vu_char       vdrive;                 /* Video display mode         0x6023 */
  u_char        f20[0x6083-0x6023-1];
  vu_char       panxh;                  /* Pan display in X (high)    0x6083 */
  u_char        f21[0x6087-0x6083-1];
  vu_char       panxl;                  /* Pan display in X (low)     0x6087 */
  u_char        f22[0x608b-0x6087-1];
  vu_char       panyh;                  /* Pan display in Y (high)    0x608B */
  u_char        f23[0x608f-0x608b-1];
  vu_char       panyl;                  /* Pan display in Y (low)     0x608F */
  u_char        f24[0x6093-0x608f-1];
  vu_char       zoom;                   /* Zoom factor                0x6093 */
  u_char        f25[0x6097-0x6093-1];
  vu_char       pz_trig;                /* Pan & zoom trigger         0x6097 */
  u_char        f26[0x609b-0x6097-1];
  vu_char       ovly0p;                 /* Overlay 0 primary map      0x609B */
  u_char        f27[0x609f-0x609b-1];
  vu_char       ovly1p;                 /* Overlay 1 primary map      0x609F */
  u_char        f28[0x60a3-0x609f-1];
  vu_char       ovly0s;                 /* Overlay 0 secondary map    0x60A3 */
  u_char        f29[0x60a7-0x60a3-1];
  vu_char       ovly1s;                 /* Overlay 1 secondary map    0x60A7 */
  u_char        f30[0x60ab-0x60a7-1];
  vu_char       opvenp;                 /* Overlay video enable       0x60AB */
  u_char        f31[0x60af-0x60ab-1];
  vu_char       opvens;                 /* Overlay blink enable       0x60AF */
  u_char        f32[0x60b3-0x60af-1];
  vu_char       fv_trig;                /* Trigger control registers  0x60B3 */
  u_char        f33[0x60b7-0x60b3-1];
  vu_char       cdwidth;                /* Iris cdwidth timing reg.   0x60B7 */
  u_char        f34[0x60bb-0x60b7-1];
  vu_char       chstart;                /* Iris chstart timing reg.   0x60BB */
  u_char        f35[0x60bf-0x60bb-1];
  vu_char       cvwidth;                /* Iris cvwidth timing reg.   0x60BF */
  u_char        f36[0x6100-0x60bf-1];
  struct        rgb rgb[8];             /* overlay color map */
  u_char        f37[0x6403-0x6100-sizeof(struct rgb)*8];
  vu_char       red0;
  u_char        f38[0x6803-0x6403-1];
  vu_char       green0;
  u_char        f39[0x6c03-0x6803-1];
  vu_char       blue0;
  u_char        f40[0x7403-0x6c03-1];
  vu_char       red1;
  u_char        f41[0x7803-0x7403-1];
  vu_char       green1;
  u_char        f42[0x7c03-0x7803-1];
  vu_char       blue1;
  u_char        f43[0x8012-0x7c03-1];
  vu_short      status1;                /* Master Status register     0x8012 */
  u_char        f44[0xC226-0x8012-2];
  vu_short      trans;                  /* Transparency               0xC226 */
  u_char        f45[0xC23E-0xC226-2];
  vu_short      pstop;                  /* Pace value control         0xc23e */
};