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/* $OpenBSD: opti.c,v 1.8 2004/06/13 21:49:24 niklas Exp $ */
/*
* Copyright (c) 1996 Michael Shalayeff
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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.
*
*/
/*
* Code to setup 82C929 chipset
*/
/* #define OPTI_DEBUG 9 */
#include <sys/param.h>
#include <sys/types.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <machine/pio.h>
#include <dev/isa/isavar.h>
#include <dev/isa/opti.h>
#ifdef OPTI_DEBUG
int opti_debuglevel = OPTI_DEBUG;
# define XDEBUG(level, data) ((opti_debuglevel >= level)? printf data:0)
#else
# define XDEBUG(level, data) /* ((opti_debuglevel >= level)? printf data:0) */
#endif
int opti_type = OPTI_C929; /* XXX only one card can be installed */
#define OPTI_cd_valid_ift(i) ((i)==OPTI_SONY||(i)==OPTI_PANASONIC||\
(i)==OPTI_MITSUMI||(i)==OPTI_IDE)
static __inline int OPTI_cd_addr(int);
static __inline int OPTI_cd_irq(int);
static __inline int OPTI_cd_drq(int);
static __inline int OPTI_snd_addr(int);
static __inline int OPTI_snd_irq(int);
static __inline int OPTI_snd_drq(int);
static __inline void opti_outb(u_short, u_char);
static __inline u_char opti_inb(u_short);
static int opti_present(void);
static __inline int
OPTI_cd_addr(a)
int a;
{
switch(a) {
case 0x320:
return 0xc0;
case 0x330:
return 0x40;
case 0x340:
return 0x00;
case 0x360:
return 0x80;
default:
return -1;
}
}
static __inline int
OPTI_cd_irq(i)
int i;
{
switch(i) {
case 5:
return 0x04;
case 7:
return 0x08;
case 3:
return 0x0c;
case 9:
return 0x10;
case 10:
return 0x14;
case 11:
return 0x18;
case -1:
return 0x00;
default:
return -1;
}
}
static __inline int
OPTI_cd_drq(d)
int d;
{
switch(d) {
case 3:
case 5:
return 0;
case 6:
return 1;
case 7:
return 2;
default:
return 3;
}
}
#define OPTI_snd_valid_ift(i) ((i)==OPTI_WSS||(i)==OPTI_SB)
static __inline int
OPTI_snd_addr(a)
int a;
{
switch(a) {
case 0x220:
return 0x0;
case 0x240:
return 0x3;
case 0x530:
return 0x8;
case 0xE80:
return 0x9;
case 0xF40:
return 0xa;
case 0x604:
return 0xb;
default:
return -1;
}
}
static __inline int
OPTI_snd_irq(i)
int i;
{
switch(i) {
case 5:
return 0x04;
case 7:
return 0x08;
case 3:
return 0x0c;
case 9:
return 0x10;
case 10:
return 0x14;
case 11:
return 0x18;
case -1:
return 0x00;
default:
return -1;
}
}
static __inline int
OPTI_snd_drq(d)
int d;
{
switch(d) {
case 3:
case 5:
return 0;
case 6:
return 1;
case 7:
return 2;
default:
return 3;
}
}
static __inline void
opti_outb(port, byte)
u_short port;
u_char byte;
{
outb( OPTI_PASSWD, opti_type );
outb( port, byte );
}
static __inline u_char
opti_inb(port)
u_short port;
{
outb( OPTI_PASSWD, opti_type );
return inb( port );
}
static int
opti_present()
{
register u_char a, b;
int s = splhigh();
a = opti_inb( OPTI_PASSWD );
opti_outb( OPTI_PASSWD, 0x00 );
b = opti_inb( OPTI_PASSWD );
opti_outb( OPTI_PASSWD, a );
if (b != 2) {
opti_type = OPTI_C928;
a = opti_inb( OPTI_PASSWD );
opti_outb( OPTI_PASSWD, 0x00 );
b = opti_inb( OPTI_PASSWD );
opti_outb( OPTI_PASSWD, a );
}
splx(s);
return b == 2;
}
int
opti_cd_setup(ift, addr, irq, drq)
int ift, addr, irq, drq;
{
int ret = 0;
XDEBUG( 2, ("opti: do CD setup type=%u, addr=0x%x, irq=%d, drq=%d\n",
ift, addr, irq, drq));
if( !opti_present() )
XDEBUG( 2, ("opti: not present.\n"));
else if( !OPTI_cd_valid_ift(ift) )
XDEBUG( 2, ("opti: invalid CD-ROM interface type.\n"));
else if( OPTI_cd_addr(addr) == -1)
XDEBUG( 2, ("opti: illegal CD-ROM interface address.\n"));
else if( OPTI_cd_irq(irq) == -1)
XDEBUG( 2, ("opti: wrong CD-ROM irq number.\n"));
else if( OPTI_cd_drq(drq) == -1)
XDEBUG( 2, ("opti: bad CD_ROM drq number.\n"));
else {
/* so the setup */
int s = splhigh();
register u_char a, b;
/* set interface type */
a = opti_inb( OPTI_IFTP );
b = (opti_inb( OPTI_DATA ) & 0x20) | 3 ;
opti_outb( OPTI_DATA, b );
opti_outb( OPTI_IFTP, (a & OPTI_SND_MASK) | 2 * ift );
opti_outb( OPTI_ENBL, 0x80 );
/* we don't need any additional setup for IDE CD-ROM */
if( ift != OPTI_IDE )
{
/* set address */
a = opti_inb( OPTI_DATA );
opti_outb( OPTI_DATA, (a & 0x3f) |
(0x40 * OPTI_cd_addr(addr)) );
/* set irq */
if( irq != IRQUNK )
{
a = opti_inb( OPTI_DATA );
opti_outb( OPTI_DATA,
(inb( OPTI_DATA ) & 0xe3) |
OPTI_cd_irq(irq) );
}
/* set drq */
if( drq != DRQUNK )
{
a = opti_inb( OPTI_DATA );
opti_outb( OPTI_DATA,
(inb( OPTI_DATA ) & 0xfc) |
OPTI_cd_drq(drq) );
}
}
splx(s);
DELAY(1000);
ret = 1;
}
return ret;
}
int
opti_snd_setup(ift, addr, irq, drq)
int ift, addr, irq, drq;
{
XDEBUG( 2, ("opti: do SND setup type=%u,addr=%x,irq=%d,drq=%d\n",
ift, addr, irq, drq));
if( !opti_present() )
XDEBUG( 2, ("opti: not present.\n"));
else if( !OPTI_snd_valid_ift(ift) )
XDEBUG( 2, ("opti: invalid SND interface type.\n"));
else if( OPTI_snd_addr(addr) == -1)
XDEBUG( 2, ("opti: illegal SND interface address.\n"));
else if( OPTI_snd_irq(irq) == -1)
XDEBUG( 2, ("opti: wrong SND irq number.\n"));
else if( OPTI_snd_drq(drq) == -1)
XDEBUG( 2, ("opti: bad SND drq number.\n"));
else {
/* so the setup */
int s = splhigh();
register u_char a;
if (ift == OPTI_WSS) {
a = opti_inb(OPTI_IFTP);
opti_outb(OPTI_IFTP, ((a & ~OPTI_SND_MASK)
| (OPTI_snd_addr(addr)*16)) + 1);
opti_outb(OPTI_ENBL, 0x1a);
}
splx(s);
DELAY(1000);
return 1;
}
return 0;
}
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