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Annotation of 43BSDTahoe/new/X/libibm/libsrc/apa16.h, revision 1.1.1.1

1.1       root        1: /* $Header: apa16.h,v 10.1 86/11/19 10:45:01 jg Exp $ */
                      2: /* apa16.h - Definitions and macros required to access APA16
                      3:  *
                      4:  *     Defines required to support APA16
                      5:  *
                      6:  *     Author:
                      7:  *             Scott Bates
                      8:  *             Brown University
                      9:  *             IRIS, Box 1946
                     10:  *             Providence, RI 02912
                     11:  *
                     12:  *
                     13:  *             Copyright (c) 1986 Brown University
                     14:  *
                     15:  * Permission to use, copy, modify and distribute this software and its
                     16:  * documentation for any purpose and without fee is hereby granted, provided
                     17:  * that the above copyright notice appear in all copies, and that both
                     18:  * that copyright notice and this permission notice appear in supporting
                     19:  * documentation, and that the name of Brown University not be used in
                     20:  * advertising or publicity pertaining to distribution of the software
                     21:  * without specific, written prior permission. Brown University makes no
                     22:  * representations about the suitability of this software for any purpose.
                     23:  * It is provided "as-is" without express or implied warranty.
                     24:  */
                     25: 
                     26: #define SCREEN_BASE (IO_ADDR | 0x4D80000)      /* frame buffer address */
                     27: #define XDEV_ID          XDEV_IBMAPA16         /* device id for info structure */
                     28: 
                     29: #define X_SCREEN_WIDTH         1024            /* number of bits/line for apa16 */
                     30: #define X_SCREEN_HEIGHT        768             /* number of lines on the screen */
                     31: 
                     32: #define REAL_SCREEN_WIDTH   X_SCREEN_WIDTH     /* actual screen width */
                     33: #define REAL_SCREEN_HEIGHT  X_SCREEN_HEIGHT    /* actual screen height */
                     34: 
                     35: #define CURSOR_TYPE    HARD_CURSOR     /* apa16 uses hardware cursor */
                     36: 
                     37: #define DISPLAY_INIT() apa16_init()    /* display initialization routine */
                     38: 
                     39: #define SCREEN_DEVICE   "/dev/apa16"   /* device number */
                     40: #define MOUSE_DEVICE   "/dev/msapa16"  /* device name of mouse for display */
                     41: 
                     42: /*
                     43:  * base I/O address
                     44:  */
                     45: 
                     46: #define IO_ADDR 0xF0000000
                     47: 
                     48: /*
                     49:  * Mode register.
                     50:  */
                     51: 
                     52: #define MR (IO_ADDR | 0x0D10)
                     53: #define MR_DEFAULT      0x8090
                     54: 
                     55: /*
                     56:  * Control/Status register.
                     57:  */
                     58: 
                     59: #define CSR (IO_ADDR | 0x0D12)
                     60: #define BACKGRND_BIT   0x0400
                     61: #define BLACK_ON_WHITE (*(u_short *)(CSR) | BACKGRND_BIT)
                     62: #define WHITE_ON_BLACK (*(u_short *)(CSR) & ~BACKGRND_BIT)
                     63: #define TOGGLE_BACKGRND (*(u_short *)(CSR) ^ BACKGRND_BIT)
                     64: 
                     65: /*
                     66:  * Video data output.
                     67:  */
                     68: 
                     69: #define VD_OUT (IO_ADDR | 0x0D1A)
                     70: 
                     71: /*
                     72:  * Enable video data output
                     73:  */
                     74: 
                     75: #define ENABLE_VD_OUT()      *(u_short *)VD_OUT = 0
                     76: 
                     77: /*
                     78:  * Reset adaptor register.
                     79:  */
                     80: 
                     81: #define RA_R    (IO_ADDR | 0x0D20)
                     82: #define RESET_APA16()        *(u_short *)RA_R = 0;

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