367 lines
8.0 KiB
C
367 lines
8.0 KiB
C
/*
|
|
* Product specific probe and attach routines for:
|
|
* Buslogic BT74x SCSI controllers
|
|
*
|
|
* Copyright (c) 1995 Justin T. Gibbs
|
|
* 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 immediately at the beginning of the file, without modification,
|
|
* 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. Absolutely no warranty of function or purpose is made by the author
|
|
* Justin T. Gibbs.
|
|
* 4. Modifications may be freely made to this file if the above conditions
|
|
* are met.
|
|
*
|
|
* $Id: bt74x.c,v 1.11 1997/08/21 19:56:40 bde Exp $
|
|
*/
|
|
|
|
#include "eisa.h"
|
|
#if NEISA > 0
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <scsi/scsiconf.h>
|
|
#include <i386/eisa/eisaconf.h>
|
|
#include <i386/scsi/btreg.h>
|
|
|
|
#define EISA_DEVICE_ID_BUSLOGIC_74X_B 0x0ab34201
|
|
#define EISA_DEVICE_ID_BUSLOGIC_74X_C 0x0ab34202
|
|
#define EISA_DEVICE_ID_AMI_4801 0x05a94801
|
|
|
|
#define BT_IOSIZE 0x04 /* Move to central header */
|
|
#define BT_EISA_IOSIZE 0x100
|
|
#define BT_EISA_SLOT_OFFSET 0xc00
|
|
|
|
#define EISA_IOCONF 0x08C
|
|
#define PORTADDR 0x07
|
|
#define PORT_330 0x00
|
|
#define PORT_334 0x01
|
|
#define PORT_230 0x02
|
|
#define PORT_234 0x03
|
|
#define PORT_130 0x04
|
|
#define PORT_134 0x05
|
|
#define IRQ_CHANNEL 0xe0
|
|
#define INT_11 0x40
|
|
#define INT_10 0x20
|
|
#define INT_15 0xa0
|
|
#define INT_12 0x60
|
|
#define INT_14 0x80
|
|
#define INT_9 0x00
|
|
|
|
#define EISA_IRQ_TYPE 0x08D
|
|
#define LEVEL 0x40
|
|
|
|
/* Definitions for the AMI Series 48 controler */
|
|
#define AMI_EISA_IOSIZE 0x500 /* Two separate ranges?? */
|
|
#define AMI_EISA_SLOT_OFFSET 0x800
|
|
#define AMI_EISA_IOCONF 0x000
|
|
#define AMI_DMA_CHANNEL 0x03
|
|
#define AMI_IRQ_CHANNEL 0x1c
|
|
#define AMI_INT_15 0x14
|
|
#define AMI_INT_14 0x10
|
|
#define AMI_INT_12 0x0c
|
|
#define AMI_INT_11 0x00
|
|
#define AMI_INT_10 0x08
|
|
#define AMI_INT_9 0x04
|
|
#define AMI_BIOS_ADDR 0xe0
|
|
|
|
#define AMI_EISA_IOCONF1 0x001
|
|
#define AMI_PORTADDR 0x0e
|
|
#define AMI_PORT_334 0x08
|
|
#define AMI_PORT_330 0x00
|
|
#define AMI_PORT_234 0x0c
|
|
#define AMI_PORT_230 0x04
|
|
#define AMI_PORT_134 0x0a
|
|
#define AMI_PORT_130 0x02
|
|
#define AMI_IRQ_LEVEL 0x01
|
|
|
|
|
|
#define AMI_MISC2_OPTIONS 0x49E
|
|
#define AMI_ENABLE_ISA_DMA 0x08
|
|
|
|
static int bt_eisa_probe __P((void));
|
|
static int bt_eisa_attach __P((struct eisa_device *e_dev));
|
|
|
|
static struct eisa_driver bt_eisa_driver = {
|
|
"bt",
|
|
bt_eisa_probe,
|
|
bt_eisa_attach,
|
|
/*shutdown*/NULL,
|
|
&bt_unit
|
|
};
|
|
|
|
DATA_SET (eisadriver_set, bt_eisa_driver);
|
|
|
|
static const char *bt_match __P((eisa_id_t type));
|
|
|
|
static const char*
|
|
bt_match(type)
|
|
eisa_id_t type;
|
|
{
|
|
switch(type) {
|
|
case EISA_DEVICE_ID_BUSLOGIC_74X_B:
|
|
return ("Buslogic 74xB SCSI host adapter");
|
|
break;
|
|
case EISA_DEVICE_ID_BUSLOGIC_74X_C:
|
|
return ("Buslogic 74xC SCSI host adapter");
|
|
break;
|
|
case EISA_DEVICE_ID_AMI_4801:
|
|
return ("AMI Series 48 SCSI host adapter");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
static int
|
|
bt_eisa_probe(void)
|
|
{
|
|
u_long iobase;
|
|
struct eisa_device *e_dev = NULL;
|
|
int count;
|
|
|
|
count = 0;
|
|
while ((e_dev = eisa_match_dev(e_dev, bt_match))) {
|
|
u_char ioconf;
|
|
u_long port;
|
|
int irq;
|
|
|
|
iobase = (e_dev->ioconf.slot * EISA_SLOT_SIZE);
|
|
if(e_dev->id == EISA_DEVICE_ID_AMI_4801) {
|
|
u_char ioconf1;
|
|
iobase += AMI_EISA_SLOT_OFFSET;
|
|
|
|
eisa_add_iospace(e_dev, iobase, AMI_EISA_IOSIZE,
|
|
RESVADDR_NONE);
|
|
|
|
ioconf = inb(iobase + AMI_EISA_IOCONF);
|
|
ioconf1 = inb(iobase + AMI_EISA_IOCONF1);
|
|
/* Determine "ISA" I/O port */
|
|
switch (ioconf1 & AMI_PORTADDR) {
|
|
case AMI_PORT_330:
|
|
port = 0x330;
|
|
break;
|
|
case AMI_PORT_334:
|
|
port = 0x334;
|
|
break;
|
|
case AMI_PORT_230:
|
|
port = 0x230;
|
|
break;
|
|
case AMI_PORT_234:
|
|
port = 0x234;
|
|
break;
|
|
case AMI_PORT_134:
|
|
port = 0x134;
|
|
break;
|
|
case AMI_PORT_130:
|
|
port = 0x130;
|
|
break;
|
|
default:
|
|
/* Disabled */
|
|
printf("bt: AMI EISA Adapter at "
|
|
"slot %d has a disabled I/O "
|
|
"port. Cannot attach.\n",
|
|
e_dev->ioconf.slot);
|
|
continue;
|
|
}
|
|
|
|
eisa_add_iospace(e_dev, port, BT_IOSIZE, RESVADDR_NONE);
|
|
|
|
/* Determine our IRQ */
|
|
switch (ioconf & AMI_IRQ_CHANNEL) {
|
|
case AMI_INT_11:
|
|
irq = 11;
|
|
break;
|
|
case AMI_INT_10:
|
|
irq = 10;
|
|
break;
|
|
case AMI_INT_15:
|
|
irq = 15;
|
|
break;
|
|
case AMI_INT_12:
|
|
irq = 12;
|
|
break;
|
|
case AMI_INT_14:
|
|
irq = 14;
|
|
break;
|
|
case AMI_INT_9:
|
|
irq = 9;
|
|
break;
|
|
default:
|
|
/* Disabled */
|
|
printf("bt: AMI EISA Adapter at "
|
|
"slot %d has its IRQ disabled. "
|
|
"Cannot attach.\n",
|
|
e_dev->ioconf.slot);
|
|
continue;
|
|
}
|
|
}
|
|
else {
|
|
iobase += BT_EISA_SLOT_OFFSET;
|
|
|
|
eisa_add_iospace(e_dev, iobase, BT_EISA_IOSIZE,
|
|
RESVADDR_NONE);
|
|
|
|
ioconf = inb(iobase + EISA_IOCONF);
|
|
/* Determine "ISA" I/O port */
|
|
switch (ioconf & PORTADDR) {
|
|
case PORT_330:
|
|
port = 0x330;
|
|
break;
|
|
case PORT_334:
|
|
port = 0x334;
|
|
break;
|
|
case PORT_230:
|
|
port = 0x230;
|
|
break;
|
|
case PORT_234:
|
|
port = 0x234;
|
|
break;
|
|
case PORT_130:
|
|
port = 0x130;
|
|
break;
|
|
case PORT_134:
|
|
port = 0x134;
|
|
break;
|
|
default:
|
|
/* Disabled */
|
|
printf("bt: Buslogic EISA Adapter at "
|
|
"slot %d has a disabled I/O "
|
|
"port. Cannot attach.\n",
|
|
e_dev->ioconf.slot);
|
|
continue;
|
|
}
|
|
eisa_add_iospace(e_dev, port, BT_IOSIZE, RESVADDR_NONE);
|
|
|
|
/* Determine our IRQ */
|
|
switch (ioconf & IRQ_CHANNEL) {
|
|
case INT_11:
|
|
irq = 11;
|
|
break;
|
|
case INT_10:
|
|
irq = 10;
|
|
break;
|
|
case INT_15:
|
|
irq = 15;
|
|
break;
|
|
case INT_12:
|
|
irq = 12;
|
|
break;
|
|
case INT_14:
|
|
irq = 14;
|
|
break;
|
|
case INT_9:
|
|
irq = 9;
|
|
break;
|
|
default:
|
|
/* Disabled */
|
|
printf("bt: Buslogic EISA Adapter at "
|
|
"slot %d has its IRQ disabled. "
|
|
"Cannot attach.\n",
|
|
e_dev->ioconf.slot);
|
|
continue;
|
|
}
|
|
|
|
}
|
|
eisa_add_intr(e_dev, irq);
|
|
|
|
eisa_registerdev(e_dev, &bt_eisa_driver);
|
|
|
|
count++;
|
|
}
|
|
return count;
|
|
}
|
|
|
|
static int
|
|
bt_eisa_attach(e_dev)
|
|
struct eisa_device *e_dev;
|
|
{
|
|
struct bt_data *bt;
|
|
int unit = e_dev->unit;
|
|
int irq;
|
|
resvaddr_t *ioport;
|
|
resvaddr_t *eisa_ioport;
|
|
u_char level_intr;
|
|
|
|
if (TAILQ_FIRST(&e_dev->ioconf.irqs) == NULL)
|
|
return (-1);
|
|
|
|
irq = TAILQ_FIRST(&e_dev->ioconf.irqs)->irq_no;
|
|
|
|
/*
|
|
* The addresses are sorted in increasing order
|
|
* so we know the port to pass to the core bt
|
|
* driver comes first.
|
|
*/
|
|
ioport = e_dev->ioconf.ioaddrs.lh_first;
|
|
|
|
if(!ioport)
|
|
return -1;
|
|
|
|
eisa_ioport = ioport->links.le_next;
|
|
|
|
if(!eisa_ioport)
|
|
return -1;
|
|
|
|
if(e_dev->id == EISA_DEVICE_ID_AMI_4801)
|
|
level_intr = inb(eisa_ioport->addr + AMI_EISA_IOCONF1)
|
|
& AMI_IRQ_LEVEL;
|
|
else
|
|
level_intr = inb(eisa_ioport->addr + EISA_IRQ_TYPE)
|
|
& LEVEL;
|
|
|
|
eisa_reg_start(e_dev);
|
|
if(eisa_reg_iospace(e_dev, ioport))
|
|
return -1;
|
|
|
|
if(eisa_reg_iospace(e_dev, eisa_ioport))
|
|
return -1;
|
|
|
|
if(!(bt = bt_alloc(unit, ioport->addr)))
|
|
return -1;
|
|
|
|
if(eisa_reg_intr(e_dev, irq, bt_intr, (void *)bt, &bio_imask,
|
|
/*shared ==*/level_intr)) {
|
|
bt_free(bt);
|
|
return -1;
|
|
}
|
|
eisa_reg_end(e_dev);
|
|
|
|
/*
|
|
* Now that we know we own the resources we need, do the full
|
|
* card initialization.
|
|
*/
|
|
if(bt_init(bt)){
|
|
bt_free(bt);
|
|
/*
|
|
* The board's IRQ line will not be left enabled
|
|
* if we can't intialize correctly, so its safe
|
|
* to release the irq.
|
|
*/
|
|
eisa_release_intr(e_dev, irq, bt_intr);
|
|
return -1;
|
|
}
|
|
|
|
/* Attach sub-devices - always succeeds */
|
|
bt_attach(bt);
|
|
|
|
if(eisa_enable_intr(e_dev, irq)) {
|
|
bt_free(bt);
|
|
eisa_release_intr(e_dev, irq, bt_intr);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif /* NEISA > 0 */
|