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Annotation of src/sys/dev/isa/madreg.h, Revision 1.2

1.2     ! augustss    1: /*     $NetBSD:  $     */
1.1       augustss    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:
                     47: /*
                     48:  *    Registers
                     49:  *
                     50:  *      The MAD16 occupies I/O ports 0xf8d to 0xf93 (fixed locations).
                     51:  *      All ports are inactive by default. They can be activated by
                     52:  *      writing 0xE2 or 0xE3 to the password register. The password is valid
                     53:  *      only until the next I/O read or write.
                     54:  */
                     55:
                     56: #define MAD_BASE       0xf8d
                     57: #define MAD_NPORT      7
                     58:
                     59: #define MC1_PORT       0       /* SB address, CDROM interface type, joystick */
                     60: #define MC2_PORT       1       /* CDROM address, IRQ, DMA, plus OPL4 bit */
                     61: #define MC3_PORT       2
                     62: #define MC_PASSWD_REG  MC3_PORT
                     63: #define MC4_PORT       3
                     64: #define MC5_PORT       4
                     65: #define MC6_PORT       5
                     66: #define MC7_PORT       6
                     67:
                     68: #define MC1_NOCD       0x00
                     69: #define MC1_JOYDISABLE 0x01
                     70: #define MC1_SONY       0x02
                     71: #define MC1_MITSUMI    0x04
                     72: #define MC1_PANASONIC  0x06
                     73: #define MC1_SECIDE     0x08
                     74: #define MC1_PRIMIDE    0x0a
                     75:
                     76: #define MC2_CDDISABLE  0x03
                     77: #define MC2_OPL4       0x20
                     78:
                     79: /* Possible WSS emulation ports */
                     80: #define M_WSS_PORT0 0x530
                     81: #define M_WSS_PORT1 0xe80
                     82: #define M_WSS_PORT2 0xf40
                     83: #define M_WSS_PORT3 0x604
                     84: #define M_WSS_NPORTS 4
                     85:
                     86: /* Port 1 */
                     87: #define M_WSS_PORT_SELECT(i) (0x80 | ((i) << 4))
                     88:
                     89: #define M_PASSWD_928   0xe2
                     90: #define M_PASSWD_929   0xe3