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Annotation of 43BSD/sys/vaxuba/ikreg.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1982, 1986 Regents of the University of California.
                      3:  * All rights reserved.  The Berkeley software License Agreement
                      4:  * specifies the terms and conditions for redistribution.
                      5:  *
                      6:  *     @(#)ikreg.h     7.1 (Berkeley) 6/5/86
                      7:  */
                      8: 
                      9: struct ikdevice {
                     10:        short   ik_wc;                  /* Unibus word count reg */
                     11:        u_short ik_ubaddr;              /* Unibus address register */
                     12:        u_short ik_ustat;               /* Unibus status/command reg */
                     13:        u_short ik_data;                /* Data register */
                     14:        u_short ik_xaddr;               /* X address in frame buffer */
                     15:        u_short ik_yaddr;               /* Y address in frame buffer */
                     16:        u_short ik_istat;               /* Ikonas status/command reg */
                     17:        u_short ik_chan;                /* Channel control register */
                     18: };
                     19: 
                     20: #define IK_GETADDR     IKIOGETADDR
                     21: #define IK_WAITINT     IKIOWAITINT
                     22: #define        IKIOGETADDR     _IOR(i, 0, caddr_t)     /* get Unibus device address */
                     23: #define        IKIOWAITINT     _IO(i, 1)               /* await device interrupt */
                     24: 
                     25: /*
                     26:  * Unibus status/command register bits
                     27:  */
                     28: 
                     29: #define IK_GO          01
                     30: #define IK_IENABLE     0100
                     31: #define IK_READY       0200
                     32: #define IK_IKONAS_INTR 0100000
                     33: 
                     34: /*
                     35:  * Ikonas status/command register bits
                     36:  */
                     37: 
                     38: #define WORD32         0
                     39: #define RES512         2
                     40: #define RES1024                3
                     41: #define READ_SELECT    0
                     42: #define WRITE_MASK     010
                     43: #define WRITE_SELECT   020
                     44: #define HALFWORD       040
                     45: #define DMAENABLE      0100
                     46: #define INVISIBLE_IO   0200
                     47: #define AUTOINCREMENT  0400
                     48: #define RUN_PROCESSOR  01000
                     49: #define CLEAR          02000
                     50: #define BYTE_MODE      04000
                     51: #define FRAME_ENABLE   010000
                     52: #define PROC_ENABLE    020000
                     53: #define RED_SELECT     0
                     54: #define GREEN_SELECT   040000
                     55: #define BLUE_SELECT    0100000
                     56: #define ALPHA_SELECT   0140000
                     57: 
                     58: /*
                     59:  * Frame buffer controller
                     60:  */
                     61: 
                     62: #define FBC0           060000000
                     63: #define FBC1           062000000
                     64: 
                     65: #define VIEWPORT_LOC   0
                     66: #define VIEWPORT_SIZE  1
                     67: #define WINDOW_LOC     2
                     68: #define ZOOM           3
                     69: #define DISPLAY_RATE   4
                     70: #define VIDEO_CONTROL  5
                     71: #define                FORMAT_CONTROL_MASK     03
                     72: #define                CURSOR_ON               04
                     73: #define                LOW_RESOL               0
                     74: #define                HIGH_RESOL              010
                     75: #define                AUTO_CLEAR              040
                     76: #define                EXT_SYNC                0100
                     77: #define                COLOR_MAP_PAGES         0600
                     78: #define                HIGH_RESOL_SYNC         01000
                     79: #define                REPEAT_FIELD            02000
                     80: #define                PIXEL_CLOCK_RATE_MASK   077
                     81: #define CURSOR_LOC     6
                     82: #define CURSOR_SHADE   7
                     83: 
                     84: #define CURSOR_MAP     0400
                     85: 
                     86: /*
                     87:  * Color map lookup table
                     88:  */
                     89: 
                     90: #define CMAP0          040600000
                     91: #define CMAP1          040610000
                     92: 
                     93: #define CHAN_SELECT    02000
                     94: 
                     95: /*
                     96:  * Frame buffer memories
                     97:  */
                     98: 
                     99: #define MEM0           000000000
                    100: #define MEM1           004000000
                    101: 
                    102: /*
                    103:  * Bit-slice processor
                    104:  */
                    105: 
                    106: #define UMEM           040000000
                    107: #define SCRPAD         040400000
                    108: #define PROC           041200000
                    109: 
                    110: /*
                    111:  * Frame grabber
                    112:  */
                    113: 
                    114: #define FMG0           060200000

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