/*      $NetBSD: madreg.h,v 1.6 2022/11/02 20:38:22 andvar Exp $        */
/*
* Copyright (c) 1996 Lennart Augustsson
* Copyright (c) 1995 Hannu Savolainen
* Copyright (c) 1991-1993 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed by the Computer Systems
*      Engineering Group at Lawrence Berkeley Laboratory.
* 4. Neither the name of the University nor of the Laboratory may be used
*    to endorse or promote products derived from this software without
*    specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/

/*
* Variations of the supported chips.
*/

#define MAD_NONE        0
#define MAD_82C928      1               /* OPTi 82C928     MAD16 */
#define MAD_OTI601D     2               /* OAK OTI-601D    Mozart */
#define MAD_82C929      3               /* OPTi 82C929     MAD16 Pro */
#define MAD_82C931      4               /* OPTi 82C831     */

/*
*    Registers
*
*      The MAD16 occupies I/O ports 0xf8d to 0xf93 (fixed locations).
*      All ports are inactive by default. They can be activated by
*      writing 0xE2 or 0xE3 to the password register. The password is valid
*      only until the next I/O read or write.
*/

#define MAD_BASE        0xf8d
#define MAD_NPORT       7

#define MC1_PORT        0       /* SB address, CDROM interface type, joystick */
#define MC2_PORT        1       /* CDROM address, IRQ, DMA, plus OPL4 bit */
#define MC3_PORT        2
#define MC_PASSWD_REG   MC3_PORT
#define MC4_PORT        3
#define MC5_PORT        4
#define MC6_PORT        5
#define MC7_PORT        6

#define MC1_NOCD        0x00
#define MC1_JOYDISABLE  0x01
#define MC1_SONY        0x02
#define MC1_MITSUMI     0x04
#define MC1_PANASONIC   0x06
#define MC1_SECIDE      0x08
#define MC1_PRIMIDE     0x0a

#define MC2_NO_CD_DRQ   0x03
#define MC2_OPL4        0x20

/* Possible WSS emulation ports */
#define M_WSS_PORT0 0x530
#define M_WSS_PORT1 0xe80
#define M_WSS_PORT2 0xf40
#define M_WSS_PORT3 0x604
#define M_WSS_NPORTS 4

/* Port 1 */
#define M_WSS_PORT_SELECT(i) (0x80 | ((i) << 4))

#define M_PASSWD_928    0xe2
#define M_PASSWD_929    0xe3
#define M_PASSWD_931    0xe4

/* Regions of I/O space that the MAD occupies besides
  WSS emulation and MAD_BASE.  Talk about waste. */
#define MAD_REG1 0x220
#define MAD_LEN1 16
#define MAD_REG2 0x380
#define MAD_LEN2 2
#define MAD_REG3 0x388
#define MAD_LEN3 4