sys/dev/isa/madreg.h

   1 /*      $NetBSD: madreg.h,v 1.4 1998/01/19 22:18:27 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