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

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1990, 1993
 *      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 $Hdr: grf_gbreg.h 1.11 92/01/21$
 *
 *      @(#)grf_gbreg.h 8.1 (Berkeley) %G%
 */

#include <hp/dev/iotypes.h>     /* XXX */

/*
 * Gatorbox driver regs
 */

#define TILER_ENABLE            0x80
#define LINE_MOVER_ENABLE       0x80
#define UP_LEFT                 0x00
#define DOWN_RIGHT              0x40
#define MOVE_UP_LEFT            TILER_ENABLE|UP_LEFT
#define MOVE_DOWN_RIGHT         TILER_ENABLE|DOWN_RIGHT

#define tile_mover_waitbusy(regaddr) \
        while (((struct gboxfb *)(regaddr))->sec_interrupt & 0x10)

#define line_mover_waitbusy(regaddr) \
        while ((((struct gboxfb *)(regaddr))->status & 0x80) == 0)

#define gbcm_waitbusy(regaddr) \
        while (((struct gboxfb *)(regaddr))->cmap_busy != 0xff)

struct gboxfb {
  u_char        :8;
  vu_char       reset;                  /* reset register               0x01 */
  vu_char       sec_interrupt;          /* Secondary interrupt register 0x03 */
  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;                   /* Scondary frame buffer id     0x15 */
  u_char        f1[0x5d-0x15-1];
  vu_char       fbomsb;                 /* frame buffer offset MSB      0x5d */
  u_char        :8;
  vu_char       fbolsb;                 /* frame buffer offset LSB      0x5f */
  u_char        f2[0x4000-0x5f-1];
  vu_char       crtc_address;           /* CTR controller address reg 0x4000 */
  vu_char       status;                 /* Status register            0x4001 */
  vu_char       crtc_data;              /* CTR controller data reg    0x4002 */
  u_char        f3[6];
  vu_char       line_mover_rep_rule;    /* Line move rep rule                */
  u_char        :8, :8;
  vu_char       line_mover_width;       /* Line move width                   */
  u_char        f4[0xff3];
  vu_char       width;                  /* width in tiles             0x5001 */
  u_char        :8;
  vu_char       height;                 /* height in tiles            0x5003 */
  u_char        f5[3];
  vu_char       rep_rule;               /* replacement rule           0x5007 */
  u_char        f6[0x6001-0x5007-1];
  vu_char       blink1;                 /* blink 1                    0x6001 */
  u_char        f7[3];
  vu_char       blink2;                 /* blink 2                    0x6005 */
  u_char        f8[3];
  vu_char       write_protect;          /* write protect              0x6009 */
  u_char        f9[0x6803-0x6009-1];
  vu_char       cmap_busy;              /* color map busy             0x6803 */
  u_char        f10[0x68b9-0x6803-1];
  vu_char       creg_select;            /* color map register select  0x68b8 */
  u_char        f11[0x68f1-0x68b9-1];
  vu_char       cmap_write;             /* color map write trigger    0x68f1 */
  u_char        f12[0x69b3-0x68f1-1];
  vu_char       cmap_red;               /* red value register         0x69b3 */
  u_char        :8;
  vu_char       cmap_grn;               /* green value register       0x69b5 */
  u_char        :8;
  vu_char       cmap_blu;               /* blue value register        0x69b6 */
};