The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/chips/dc503.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
    4  * All Rights Reserved.
    5  * 
    6  * Permission to use, copy, modify and distribute this software and its
    7  * documentation is hereby granted, provided that both the copyright
    8  * notice and this permission notice appear in all copies of the
    9  * software, derivative works or modified versions, and any portions
   10  * thereof, and that both notices appear in supporting documentation.
   11  * 
   12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15  * 
   16  * Carnegie Mellon requests users of this software to return to
   17  * 
   18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19  *  School of Computer Science
   20  *  Carnegie Mellon University
   21  *  Pittsburgh PA 15213-3890
   22  * 
   23  * any improvements or extensions that they make and grant Carnegie Mellon
   24  * the rights to redistribute these changes.
   25  */
   26 /*
   27  * HISTORY
   28  * $Log:        dc503.h,v $
   29  * Revision 2.7  91/08/24  11:51:41  af
   30  *      Moved padding issues down in impl file.
   31  *      Struct pcc hack is gone.
   32  *      [91/08/02  02:28:28  af]
   33  * 
   34  * Revision 2.6  91/06/19  11:47:24  rvb
   35  *      File moved here from mips/PMAX since it tries to be generic;
   36  *      it is used on the PMAX and the Vax3100.
   37  *      [91/06/04            rvb]
   38  * 
   39  * Revision 2.5  91/05/14  17:20:42  mrt
   40  *      Correcting copyright
   41  * 
   42  * Revision 2.4  91/02/05  17:40:19  mrt
   43  *      Added author notices
   44  *      [91/02/04  11:12:44  mrt]
   45  * 
   46  *      Changed to use new Mach copyright
   47  *      [91/02/02  12:10:31  mrt]
   48  * 
   49  * Revision 2.3  90/12/05  23:30:44  af
   50  *      Fixed padding, works now.
   51  *      [90/12/03  23:13:30  af]
   52  * 
   53  * Revision 2.1.1.1  90/11/01  03:43:26  af
   54  *      Created, from the DEC specs:
   55  *      "DECstation 3100 Desktop Workstation Functional Specification"
   56  *      Workstation Systems Engineering, Palo Alto, CA. Aug 28, 1990.
   57  *      [90/09/03            af]
   58  */
   59 /*
   60  *      File: dc503.h
   61  *      Author: Alessandro Forin, Carnegie Mellon University
   62  *      Date:   9/90
   63  *
   64  *      Defines for the DEC DC503 Programmable Cursor
   65  */
   66 
   67 typedef struct {
   68         volatile unsigned short pcc_cmdr;       /* all regs are wo */
   69         volatile unsigned short pcc_xpos;
   70         volatile unsigned short pcc_ypos;
   71         volatile unsigned short pcc_xmin1;
   72         volatile unsigned short pcc_xmax1;
   73         volatile unsigned short pcc_ymin1;
   74         volatile unsigned short pcc_ymax1;
   75         volatile unsigned short pcc_xmin2;
   76         volatile unsigned short pcc_xmax2;
   77         volatile unsigned short pcc_ymin2;
   78         volatile unsigned short pcc_ymax2;
   79         volatile unsigned short pcc_memory;
   80 } dc503_regmap_t;
   81 
   82 /*
   83  *      Command register bits
   84  */
   85 
   86 #define DC503_CMD_TEST          0x8000  /* cursor test flip-flop */
   87 #define DC503_CMD_HSHI          0x4000  /* Hor sync polarity */
   88 #define DC503_CMD_VBHI          0x2000  /* Ver blank polarity */
   89 #define DC503_CMD_LODSA         0x1000  /* load sprite array */
   90 #define DC503_CMD_FORG2         0x0800  /* force detector2 to one */
   91 #define DC503_CMD_ENRG2         0x0400  /* enable detector2 */
   92 #define DC503_CMD_FORG1         0x0200  /* force detector1 to one */
   93 #define DC503_CMD_ENRG1         0x0100  /* enable detector1 */
   94 #define DC503_CMD_XHWID         0x0080  /* hair cursor (double) width */
   95 #define DC503_CMD_XHCL1         0x0040  /* hair clip region */
   96 #define DC503_CMD_XHCLP         0x0020  /* clip hair inside region */
   97 #define DC503_CMD_XHAIR         0x0010  /* enable hair cursor */
   98 #define DC503_CMD_FOPB          0x0008  /* force curs plane B to one */
   99 #define DC503_CMD_ENPB          0x0004  /* enable curs plane B */
  100 #define DC503_CMD_FOPA          0x0002  /* force curs plane A to one */
  101 #define DC503_CMD_ENPA          0x0001  /* enable curs plane A */
  102 

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