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/*-
* Copyright (c) 1999 Matthew N. Dodd <winter@jurai.net>
* 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 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.
*
* Based on aha_isa.c
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <isa/isavar.h>
#include <dev/mca/mca_busreg.h>
#include <dev/mca/mca_busvar.h>
#include <dev/aha/ahareg.h>
static struct mca_ident aha_mca_devs[] = {
{ 0x0f1f, "Adaptec AHA-1640 SCSI Adapter" },
{ 0, NULL },
};
#define AHA_MCA_IOPORT_POS MCA_ADP_POS(MCA_POS1)
# define AHA_MCA_IOPORT_MASK1 0x07
# define AHA_MCA_IOPORT_MASK2 0xc0
# define AHA_MCA_IOPORT_SIZE 0x03
# define AHA_MCA_IOPORT(pos) (0x30 + \
(((uint32_t)pos & \
AHA_MCA_IOPORT_MASK1) << 8) + \
(((uint32_t)pos & \
AHA_MCA_IOPORT_MASK2) >> 4))
#define AHA_MCA_DRQ_POS MCA_ADP_POS(MCA_POS3)
# define AHA_MCA_DRQ_MASK 0x0f
# define AHA_MCA_DRQ(pos) (pos & AHA_MCA_DRQ_MASK)
#define AHA_MCA_IRQ_POS MCA_ADP_POS(MCA_POS2)
# define AHA_MCA_IRQ_MASK 0x07
# define AHA_MCA_IRQ(pos) ((pos & AHA_MCA_IRQ_MASK) + 8)
/*
* Not needed as the board knows its config
* internally and the ID will be fetched
* via AOP_INQUIRE_SETUP_INFO command.
*/
#define AHA_MCA_SCSIID_POS MCA_ADP_POS(MCA_POS2)
#define AHA_MCA_SCSIID_MASK 0xe0
#define AHA_MCA_SCSIID(pos) ((pos & AHA_MCA_SCSIID_MASK) >> 5)
static int
aha_mca_probe (device_t dev)
{
const char * desc;
mca_id_t id = mca_get_id(dev);
uint32_t iobase = 0;
uint32_t iosize = 0;
uint8_t drq = 0;
uint8_t irq = 0;
uint8_t pos;
desc = mca_match_id(id, aha_mca_devs);
if (!desc)
return (ENXIO);
device_set_desc(dev, desc);
pos = mca_pos_read(dev, AHA_MCA_IOPORT_POS);
iobase = AHA_MCA_IOPORT(pos);
iosize = AHA_MCA_IOPORT_SIZE;
pos = mca_pos_read(dev, AHA_MCA_DRQ_POS);
drq = AHA_MCA_DRQ(pos);
pos = mca_pos_read(dev, AHA_MCA_IRQ_POS);
irq = AHA_MCA_IRQ(pos);
mca_add_iospace(dev, iobase, iosize);
mca_add_drq(dev, drq);
mca_add_irq(dev, irq);
return (0);
}
static int
aha_mca_attach (device_t dev)
{
struct aha_softc * sc = device_get_softc(dev);
int error = ENOMEM;
sc->portrid = 0;
sc->port = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &sc->portrid,
RF_ACTIVE);
if (sc->port == NULL) {
device_printf(dev, "No I/O space?!\n");
goto bad;
}
sc->irqrid = 0;
sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqrid,
RF_ACTIVE);
if (sc->irq == NULL) {
device_printf(dev, "No IRQ?!\n");
goto bad;
}
sc->drqrid = 0;
sc->drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &sc->drqrid,
RF_ACTIVE);
if (sc->drq == NULL) {
device_printf(dev, "No DRQ?!\n");
goto bad;
}
aha_alloc(sc);
error = aha_probe(sc);
if (error) {
device_printf(dev, "aha_probe() failed!\n");
goto bad;
}
error = aha_fetch_adapter_info(sc);
if (error) {
device_printf(dev, "aha_fetch_adapter_info() failed!\n");
goto bad;
}
isa_dmacascade(rman_get_start(sc->drq));
error = bus_dma_tag_create(
/* parent */ bus_get_dma_tag(dev),
/* alignemnt */ 1,
/* boundary */ 0,
/* lowaddr */ BUS_SPACE_MAXADDR_24BIT,
/* highaddr */ BUS_SPACE_MAXADDR,
/* filter */ NULL,
/* filterarg */ NULL,
/* maxsize */ BUS_SPACE_MAXSIZE_24BIT,
/* nsegments */ ~0,
/* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT,
/* flags */ 0,
/* lockfunc */ NULL,
/* lockarg */ NULL,
&sc->parent_dmat);
if (error) {
device_printf(dev, "bus_dma_tag_create() failed!\n");
goto bad;
}
error = aha_init(sc);
if (error) {
device_printf(dev, "aha_init() failed\n");
goto bad;
}
error = aha_attach(sc);
if (error) {
device_printf(dev, "aha_attach() failed\n");
goto bad;
}
error = bus_setup_intr(dev, sc->irq, INTR_TYPE_CAM | INTR_ENTROPY |
INTR_MPSAFE, NULL, aha_intr, sc, &sc->ih);
if (error) {
device_printf(dev, "Unable to register interrupt handler\n");
aha_detach(sc);
goto bad;
}
return (0);
bad:
aha_free(sc);
bus_free_resource(dev, SYS_RES_IOPORT, sc->port);
bus_free_resource(dev, SYS_RES_IRQ, sc->irq);
bus_free_resource(dev, SYS_RES_DRQ, sc->drq);
return (error);
}
static device_method_t aha_mca_methods[] = {
DEVMETHOD(device_probe, aha_mca_probe),
DEVMETHOD(device_attach, aha_mca_attach),
{ 0, 0 }
};
static driver_t aha_mca_driver = {
"aha",
aha_mca_methods,
1,
/*
sizeof(struct aha_softc *),
*/
};
static devclass_t aha_devclass;
DRIVER_MODULE(aha, mca, aha_mca_driver, aha_devclass, 0, 0);
MODULE_DEPEND(aha, mca, 1, 1, 1);
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