FreeBSD-5.3/sys/dev/buslogic/bt_eisa.c
/*
* Product specific probe and attach routines for:
* Buslogic BT74x SCSI controllers
*
* Copyright (c) 1995, 1998, 1999 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/sys/dev/buslogic/bt_eisa.c,v 1.19 2004/03/17 17:50:29 njl Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/bus.h>
#include <machine/bus_pio.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <dev/eisa/eisaconf.h>
#include <dev/buslogic/btreg.h>
#define EISA_DEVICE_ID_BUSLOGIC_74X_B 0x0ab34201
#define EISA_DEVICE_ID_BUSLOGIC_74X_C 0x0ab34202
#define EISA_DEVICE_ID_SDC3222B 0x0ab34281
#define EISA_DEVICE_ID_SDC3222F 0x0ab34781
#define EISA_DEVICE_ID_SDC3222WS 0x0ab34981
#define EISA_DEVICE_ID_SDC3222WB 0x0ab34982
#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 const char *bt_match(eisa_id_t type);
static int
bt_eisa_alloc_resources(device_t dev)
{
struct bt_softc *bt = device_get_softc(dev);
int rid;
struct resource *port;
struct resource *irq;
int shared;
/*
* XXX assumes that the iospace ranges are sorted in increasing
* order.
*/
rid = 0;
port = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
if (!port)
return (ENOMEM);
bt_init_softc(dev, port, 0, 0);
if (eisa_get_irq(dev) != -1) {
shared = bt->level_trigger_ints ? RF_SHAREABLE : 0;
rid = 0;
irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
shared | RF_ACTIVE);
if (!irq) {
if (port)
bus_release_resource(dev, SYS_RES_IOPORT,
0, port);
return (ENOMEM);
}
} else
irq = 0;
bt->irq = irq;
return (0);
}
static void
bt_eisa_release_resources(device_t dev)
{
struct bt_softc *bt = device_get_softc(dev);
if (bt->port)
bus_release_resource(dev, SYS_RES_IOPORT, 0, bt->port);
if (bt->irq)
bus_release_resource(dev, SYS_RES_IRQ, 0, bt->irq);
bt_free_softc(dev);
}
static const char*
bt_match(eisa_id_t type)
{
switch(type) {
case EISA_DEVICE_ID_BUSLOGIC_74X_B:
return ("Buslogic 74xB SCSI host adapter");
case EISA_DEVICE_ID_BUSLOGIC_74X_C:
return ("Buslogic 74xC SCSI host adapter");
case EISA_DEVICE_ID_SDC3222B:
return ("Storage Dimensions SDC3222B SCSI host adapter");
case EISA_DEVICE_ID_SDC3222F:
return ("Storage Dimensions SDC3222F SCSI host adapter");
case EISA_DEVICE_ID_SDC3222WS:
return ("Storage Dimensions SDC3222WS SCSI host adapter");
case EISA_DEVICE_ID_SDC3222WB:
return ("Storage Dimensions SDC3222WB SCSI host adapter");
case EISA_DEVICE_ID_AMI_4801:
return ("AMI Series 48 SCSI host adapter");
default:
break;
}
return (NULL);
}
static int
bt_eisa_probe(device_t dev)
{
const char *desc;
u_long iobase;
struct bt_probe_info info;
u_long port;
u_long iosize;
u_int ioconf;
int result;
int shared;
desc = bt_match(eisa_get_id(dev));
if (!desc)
return (ENXIO);
device_set_desc(dev, desc);
iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE);
if (eisa_get_id(dev) == EISA_DEVICE_ID_AMI_4801) {
u_int ioconf1;
iobase += AMI_EISA_SLOT_OFFSET;
iosize = AMI_EISA_IOSIZE;
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",
eisa_get_slot(dev));
return (ENXIO);
}
shared = (inb(iobase + AMI_EISA_IOCONF1) & AMI_IRQ_LEVEL) ?
EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
} else {
iobase += BT_EISA_SLOT_OFFSET;
iosize = BT_EISA_IOSIZE;
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",
eisa_get_slot(dev));
return (ENXIO);
}
shared = (inb(iobase + EISA_IRQ_TYPE) & LEVEL) ?
EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE;
}
bt_mark_probed_iop(port);
/* Tell parent where our resources are going to be */
eisa_add_iospace(dev, iobase, iosize, RESVADDR_NONE);
eisa_add_iospace(dev, port, BT_IOSIZE, RESVADDR_NONE);
/* And allocate them */
bt_eisa_alloc_resources(dev);
if (bt_port_probe(dev, &info) != 0) {
printf("bt_eisa_probe: Probe failed for "
"card at slot 0x%x\n", eisa_get_slot(dev));
result = ENXIO;
} else {
eisa_add_intr(dev, info.irq, shared);
result = 0;
}
bt_eisa_release_resources(dev);
return (result);
}
static int
bt_eisa_attach(device_t dev)
{
struct bt_softc *bt = device_get_softc(dev);
/* Allocate resources */
bt_eisa_alloc_resources(dev);
/* Allocate a dmatag for our SCB DMA maps */
/* XXX Should be a child of the PCI bus dma tag */
if (bus_dma_tag_create( /* parent */ NULL,
/* alignment */ 1,
/* boundary */ 0,
/* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
/* highaddr */ BUS_SPACE_MAXADDR,
/* filter */ NULL,
/* filterarg */ NULL,
/* maxsize */ BUS_SPACE_MAXSIZE_32BIT,
/* nsegments */ ~0,
/* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT,
/* flags */ 0,
/* lockfunc */ busdma_lock_mutex,
/* lockarg, */ &Giant,
&bt->parent_dmat) != 0) {
bt_eisa_release_resources(dev);
return -1;
}
/*
* Now that we know we own the resources we need, do the full
* card initialization.
*/
if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) {
bt_eisa_release_resources(dev);
return -1;
}
/* Attach sub-devices - always succeeds (sets up intr) */
bt_attach(dev);
return 0;
}
static device_method_t bt_eisa_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, bt_eisa_probe),
DEVMETHOD(device_attach, bt_eisa_attach),
{ 0, 0 }
};
static driver_t bt_eisa_driver = {
"bt",
bt_eisa_methods,
sizeof(struct bt_softc),
};
static devclass_t bt_devclass;
DRIVER_MODULE(bt, eisa, bt_eisa_driver, bt_devclass, 0, 0);