Home | History | Annotate | Line # | Download | only in isa
madreg.h revision 1.3 
      1 /*	$NetBSD: madreg.h,v 1.3 1997/07/31 22:33:30 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 
     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
     91 
     92 /* Regions of I/O space that the MAD occupies besides
     93    WSS emulation and MAD_BASE.  Talk about waste. */
     94 #define MAD_REG1 0x220
     95 #define MAD_LEN1 16
     96 #define MAD_REG2 0x380
     97 #define MAD_LEN2 2
     98 #define MAD_REG3 0x388
     99 #define MAD_LEN3 4
    100