usr/src/sys/vaxuba/ikreg.h

/*
 * Copyright (c) 1982, 1986 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *      @(#)ikreg.h     7.2 (Berkeley) 12/22/87
 */

struct ikdevice {
        short   ik_wc;                  /* Unibus word count reg */
        u_short ik_ubaddr;              /* Unibus address register */
        u_short ik_ustat;               /* Unibus status/command reg */
        u_short ik_data;                /* Data register */
        u_short ik_xaddr;               /* X address in frame buffer */
        u_short ik_yaddr;               /* Y address in frame buffer */
        u_short ik_istat;               /* Ikonas status/command reg */
        u_short ik_chan;                /* Channel control register */
};

#define IK_GETADDR      IKIOGETADDR
#define IK_WAITINT      IKIOWAITINT
#define IKIOGETADDR     _IOR('i', 0, caddr_t)   /* get Unibus device address */
#define IKIOWAITINT     _IO('i', 1)             /* await device interrupt */

/*
 * Unibus status/command register bits
 */

#define IK_GO           01
#define IK_IENABLE      0100
#define IK_READY        0200
#define IK_IKONAS_INTR  0100000

/*
 * Ikonas status/command register bits
 */

#define WORD32          0
#define RES512          2
#define RES1024         3
#define READ_SELECT     0
#define WRITE_MASK      010
#define WRITE_SELECT    020
#define HALFWORD        040
#define DMAENABLE       0100
#define INVISIBLE_IO    0200
#define AUTOINCREMENT   0400
#define RUN_PROCESSOR   01000
#define CLEAR           02000
#define BYTE_MODE       04000
#define FRAME_ENABLE    010000
#define PROC_ENABLE     020000
#define RED_SELECT      0
#define GREEN_SELECT    040000
#define BLUE_SELECT     0100000
#define ALPHA_SELECT    0140000

/*
 * Frame buffer controller
 */

#define FBC0            060000000
#define FBC1            062000000

#define VIEWPORT_LOC    0
#define VIEWPORT_SIZE   1
#define WINDOW_LOC      2
#define ZOOM            3
#define DISPLAY_RATE    4
#define VIDEO_CONTROL   5
#define         FORMAT_CONTROL_MASK     03
#define         CURSOR_ON               04
#define         LOW_RESOL               0
#define         HIGH_RESOL              010
#define         AUTO_CLEAR              040
#define         EXT_SYNC                0100
#define         COLOR_MAP_PAGES         0600
#define         HIGH_RESOL_SYNC         01000
#define         REPEAT_FIELD            02000
#define         PIXEL_CLOCK_RATE_MASK   077
#define CURSOR_LOC      6
#define CURSOR_SHADE    7

#define CURSOR_MAP      0400

/*
 * Color map lookup table
 */

#define CMAP0           040600000
#define CMAP1           040610000

#define CHAN_SELECT     02000

/*
 * Frame buffer memories
 */

#define MEM0            000000000
#define MEM1            004000000

/*
 * Bit-slice processor
 */

#define UMEM            040000000
#define SCRPAD          040400000
#define PROC            041200000

/*
 * Frame grabber
 */

#define FMG0            060200000