b7ae8b66ce
- Use device_printf() and device_get_unit() instead of storing the unit number in the softc. - Remove use of explicit bus space handles and tags. - Return an errno value from bt_eisa_attach() if an error occurs rather than -1. - Use BUS_PROBE_DEFAULT rather than 0. Tested by: no one
358 lines
8.9 KiB
C
358 lines
8.9 KiB
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("$FreeBSD$");
|
|
|
|
#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.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 = NULL;
|
|
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 = BUS_PROBE_DEFAULT;
|
|
}
|
|
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 */ NULL,
|
|
/* lockarg, */ NULL,
|
|
&bt->parent_dmat) != 0) {
|
|
bt_eisa_release_resources(dev);
|
|
return (ENOMEM);
|
|
}
|
|
|
|
/*
|
|
* 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 (ENXIO);
|
|
}
|
|
|
|
/* 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);
|
|
MODULE_DEPEND(bt, eisa, 1, 1, 1);
|