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