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/dev/isa/madreg.h

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    1 /*      $NetBSD: madreg.h,v 1.5 1998/12/08 14:26:57 augustss Exp $      */
    2 /*
    3  * Copyright (c) 1996 Lennart Augustsson
    4  * Copyright (c) 1995 Hannu Savolainen
    5  * Copyright (c) 1991-1993 Regents of the University of California.
    6  * All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 3. All advertising materials mentioning features or use of this software
   17  *    must display the following acknowledgement:
   18  *      This product includes software developed by the Computer Systems
   19  *      Engineering Group at Lawrence Berkeley Laboratory.
   20  * 4. Neither the name of the University nor of the Laboratory may be used
   21  *    to endorse or promote products derived from this software without
   22  *    specific prior written permission.
   23  *
   24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   34  * SUCH DAMAGE.
   35  *
   36  */
   37 
   38 /*
   39  * Variations of the suppored chips.
   40  */
   41 
   42 #define MAD_NONE        0
   43 #define MAD_82C928      1               /* OPTi 82C928     MAD16 */
   44 #define MAD_OTI601D     2               /* OAK OTI-601D    Mozart */
   45 #define MAD_82C929      3               /* OPTi 82C929     MAD16 Pro */
   46 #define MAD_82C931      4               /* OPTi 82C831     */
   47 
   48 /*
   49  *    Registers
   50  *
   51  *      The MAD16 occupies I/O ports 0xf8d to 0xf93 (fixed locations).
   52  *      All ports are inactive by default. They can be activated by
   53  *      writing 0xE2 or 0xE3 to the password register. The password is valid
   54  *      only until the next I/O read or write.
   55  */
   56 
   57 #define MAD_BASE        0xf8d
   58 #define MAD_NPORT       7
   59 
   60 #define MC1_PORT        0       /* SB address, CDROM interface type, joystick */
   61 #define MC2_PORT        1       /* CDROM address, IRQ, DMA, plus OPL4 bit */
   62 #define MC3_PORT        2
   63 #define MC_PASSWD_REG   MC3_PORT
   64 #define MC4_PORT        3
   65 #define MC5_PORT        4
   66 #define MC6_PORT        5
   67 #define MC7_PORT        6
   68 
   69 #define MC1_NOCD        0x00
   70 #define MC1_JOYDISABLE  0x01
   71 #define MC1_SONY        0x02
   72 #define MC1_MITSUMI     0x04
   73 #define MC1_PANASONIC   0x06
   74 #define MC1_SECIDE      0x08
   75 #define MC1_PRIMIDE     0x0a
   76 
   77 #define MC2_NO_CD_DRQ   0x03
   78 #define MC2_OPL4        0x20
   79 
   80 /* Possible WSS emulation ports */
   81 #define M_WSS_PORT0 0x530
   82 #define M_WSS_PORT1 0xe80
   83 #define M_WSS_PORT2 0xf40
   84 #define M_WSS_PORT3 0x604
   85 #define M_WSS_NPORTS 4
   86 
   87 /* Port 1 */
   88 #define M_WSS_PORT_SELECT(i) (0x80 | ((i) << 4))
   89 
   90 #define M_PASSWD_928    0xe2
   91 #define M_PASSWD_929    0xe3
   92 #define M_PASSWD_931    0xe4
   93 
   94 /* Regions of I/O space that the MAD occupies besides
   95    WSS emulation and MAD_BASE.  Talk about waste. */
   96 #define MAD_REG1 0x220
   97 #define MAD_LEN1 16
   98 #define MAD_REG2 0x380
   99 #define MAD_LEN2 2
  100 #define MAD_REG3 0x388
  101 #define MAD_LEN3 4

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