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Annotation of Gnu-Mach/chips/bt459.h, revision 1.1.1.1

1.1       root        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  [email protected]
                     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:  *     File: bt459.h
                     28:  *     Author: Alessandro Forin, Carnegie Mellon University
                     29:  *     Date:   9/90
                     30:  *
                     31:  *     Defines for the bt459 Cursor/RAMDAC chip
                     32:  */
                     33: 
                     34: typedef struct {
                     35:        volatile unsigned char  addr_lo;
                     36:        volatile unsigned char  addr_hi;
                     37:        volatile unsigned char  addr_reg;
                     38:        volatile unsigned char  addr_cmap;
                     39: } bt459_regmap_t;
                     40: 
                     41: /*
                     42:  * Additional registers addressed indirectly
                     43:  */
                     44: 
                     45:                                /* 0000-00ff Color Map entries */
                     46:                                /* 0100-010f Overlay color regs, unsupp */
                     47: #define        BT459_REG_CCOLOR_1      0x0181  /* Cursor color regs */
                     48: #define        BT459_REG_CCOLOR_2      0x0182
                     49: #define        BT459_REG_CCOLOR_3      0x0183
                     50: #define        BT459_REG_ID            0x0200  /* read-only, gives "4a" */
                     51: #define        BT459_REG_CMD0          0x0201
                     52: #define        BT459_REG_CMD1          0x0202
                     53: #define        BT459_REG_CMD2          0x0203
                     54: #define        BT459_REG_PRM           0x0204
                     55:                                /* 0205 reserved */
                     56: #define        BT459_REG_PBM           0x0206
                     57:                                /* 0207 reserved */
                     58: #define        BT459_REG_ORM           0x0208
                     59: #define        BT459_REG_OBM           0x0209
                     60: #define        BT459_REG_ILV           0x020a
                     61: #define        BT459_REG_TEST          0x020b
                     62: #define        BT459_REG_RSIG          0x020c
                     63: #define        BT459_REG_GSIG          0x020d
                     64: #define        BT459_REG_BSIG          0x020e
                     65:                                /* 020f-02ff reserved */
                     66: #define        BT459_REG_CCR           0x0300
                     67: #define        BT459_REG_CXLO          0x0301
                     68: #define        BT459_REG_CXHI          0x0302
                     69: #define        BT459_REG_CYLO          0x0303
                     70: #define        BT459_REG_CYHI          0x0304
                     71: #define        BT459_REG_WXLO          0x0305
                     72: #define        BT459_REG_WXHI          0x0306
                     73: #define        BT459_REG_WYLO          0x0307
                     74: #define        BT459_REG_WYHI          0x0308
                     75: #define        BT459_REG_WWLO          0x0309
                     76: #define        BT459_REG_WWHI          0x030a
                     77: #define        BT459_REG_WHLO          0x030b
                     78: #define        BT459_REG_WHHI          0x030c
                     79:                                /* 030d-03ff reserved */
                     80: #define BT459_REG_CRAM_BASE    0x0400
                     81: #define BT459_REG_CRAM_END     0x07ff
                     82: 

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