266 lines
7.0 KiB
C
266 lines
7.0 KiB
C
/*-
|
|
* Copyright (c) 1999 Luoqi Chen.
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/callout.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/module.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/bus.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <machine/resource.h>
|
|
#include <sys/rman.h>
|
|
|
|
#include <isa/isavar.h>
|
|
#include <dev/aic/aic6360reg.h>
|
|
#include <dev/aic/aicvar.h>
|
|
|
|
struct aic_isa_softc {
|
|
struct aic_softc sc_aic;
|
|
struct resource *sc_port;
|
|
struct resource *sc_irq;
|
|
struct resource *sc_drq;
|
|
void *sc_ih;
|
|
};
|
|
|
|
static int aic_isa_alloc_resources(device_t);
|
|
static void aic_isa_release_resources(device_t);
|
|
static int aic_isa_probe(device_t);
|
|
static int aic_isa_attach(device_t);
|
|
|
|
static u_int aic_isa_ports[] = { 0x1840 };
|
|
|
|
#define AIC_ISA_NUMPORTS nitems(aic_isa_ports)
|
|
#define AIC_ISA_PORTSIZE 0x20
|
|
|
|
#define AIC98_GENERIC 0x00
|
|
#define AIC98_NEC100 0x01
|
|
#define AIC_TYPE98(x) (((x) >> 16) & 0x01)
|
|
|
|
static bus_addr_t aicport_generic[AIC_ISA_PORTSIZE] = {
|
|
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
|
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
|
|
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
|
|
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
|
|
};
|
|
static bus_addr_t aicport_100[AIC_ISA_PORTSIZE] = {
|
|
0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e,
|
|
0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
|
|
0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e,
|
|
0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
|
|
};
|
|
|
|
static struct isa_pnp_id aic_ids[] = {
|
|
{ 0xa180a3b8, "NEC PC9801-100" },
|
|
{ 0 }
|
|
};
|
|
|
|
static int
|
|
aic_isa_alloc_resources(device_t dev)
|
|
{
|
|
struct aic_isa_softc *sc = device_get_softc(dev);
|
|
int rid;
|
|
bus_addr_t *bs_iat;
|
|
|
|
if ((isa_get_logicalid(dev) == 0xa180a3b8) ||
|
|
(AIC_TYPE98(device_get_flags(dev)) == AIC98_NEC100))
|
|
bs_iat = aicport_100;
|
|
else
|
|
bs_iat = aicport_generic;
|
|
|
|
sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
|
|
|
|
rid = 0;
|
|
sc->sc_port = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid,
|
|
bs_iat, AIC_ISA_PORTSIZE, RF_ACTIVE);
|
|
if (!sc->sc_port) {
|
|
device_printf(dev, "I/O port allocation failed\n");
|
|
return (ENOMEM);
|
|
}
|
|
isa_load_resourcev(sc->sc_port, bs_iat, AIC_ISA_PORTSIZE);
|
|
mtx_init(&sc->sc_aic.lock, "aic", NULL, MTX_DEF);
|
|
|
|
if (isa_get_irq(dev) != -1) {
|
|
rid = 0;
|
|
sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
|
|
RF_ACTIVE);
|
|
if (!sc->sc_irq) {
|
|
device_printf(dev, "IRQ allocation failed\n");
|
|
aic_isa_release_resources(dev);
|
|
return (ENOMEM);
|
|
}
|
|
}
|
|
|
|
if (isa_get_drq(dev) != -1) {
|
|
rid = 0;
|
|
sc->sc_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
|
|
RF_ACTIVE);
|
|
if (!sc->sc_drq) {
|
|
device_printf(dev, "DRQ allocation failed\n");
|
|
aic_isa_release_resources(dev);
|
|
return (ENOMEM);
|
|
}
|
|
}
|
|
|
|
sc->sc_aic.dev = dev;
|
|
sc->sc_aic.res = sc->sc_port;
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
aic_isa_release_resources(device_t dev)
|
|
{
|
|
struct aic_isa_softc *sc = device_get_softc(dev);
|
|
|
|
if (sc->sc_port)
|
|
bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
|
|
if (sc->sc_irq)
|
|
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
|
|
if (sc->sc_drq)
|
|
bus_release_resource(dev, SYS_RES_DRQ, 0, sc->sc_drq);
|
|
sc->sc_port = sc->sc_irq = sc->sc_drq = NULL;
|
|
mtx_destroy(&sc->sc_aic.lock);
|
|
}
|
|
|
|
static int
|
|
aic_isa_probe(device_t dev)
|
|
{
|
|
struct aic_isa_softc *sc = device_get_softc(dev);
|
|
struct aic_softc *aic = &sc->sc_aic;
|
|
int numports, i;
|
|
u_int port, *ports;
|
|
u_int8_t porta;
|
|
|
|
if (ISA_PNP_PROBE(device_get_parent(dev), dev, aic_ids) == ENXIO)
|
|
return (ENXIO);
|
|
|
|
port = isa_get_port(dev);
|
|
if (port != -1) {
|
|
ports = &port;
|
|
numports = 1;
|
|
} else {
|
|
ports = aic_isa_ports;
|
|
numports = AIC_ISA_NUMPORTS;
|
|
}
|
|
|
|
for (i = 0; i < numports; i++) {
|
|
if (bus_set_resource(dev, SYS_RES_IOPORT, 0, ports[i], 1))
|
|
continue;
|
|
if (aic_isa_alloc_resources(dev))
|
|
continue;
|
|
if (aic_probe(aic) == 0)
|
|
break;
|
|
aic_isa_release_resources(dev);
|
|
}
|
|
|
|
if (i == numports)
|
|
return (ENXIO);
|
|
|
|
porta = aic_inb(aic, PORTA);
|
|
aic_isa_release_resources(dev);
|
|
if (isa_get_irq(dev) == -1)
|
|
bus_set_resource(dev, SYS_RES_IRQ, 0, PORTA_IRQ(porta), 1);
|
|
if ((aic->flags & AIC_DMA_ENABLE) && isa_get_drq(dev) == -1)
|
|
bus_set_resource(dev, SYS_RES_DRQ, 0, PORTA_DRQ(porta), 1);
|
|
device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
aic_isa_attach(device_t dev)
|
|
{
|
|
struct aic_isa_softc *sc = device_get_softc(dev);
|
|
struct aic_softc *aic = &sc->sc_aic;
|
|
int error;
|
|
|
|
error = aic_isa_alloc_resources(dev);
|
|
if (error) {
|
|
device_printf(dev, "resource allocation failed\n");
|
|
return (error);
|
|
}
|
|
|
|
error = aic_attach(aic);
|
|
if (error) {
|
|
device_printf(dev, "attach failed\n");
|
|
aic_isa_release_resources(dev);
|
|
return (error);
|
|
}
|
|
|
|
error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM | INTR_ENTROPY |
|
|
INTR_MPSAFE, NULL, aic_intr, aic, &sc->sc_ih);
|
|
if (error) {
|
|
device_printf(dev, "failed to register interrupt handler\n");
|
|
aic_isa_release_resources(dev);
|
|
return (error);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
aic_isa_detach(device_t dev)
|
|
{
|
|
struct aic_isa_softc *sc = device_get_softc(dev);
|
|
struct aic_softc *aic = &sc->sc_aic;
|
|
int error;
|
|
|
|
error = aic_detach(aic);
|
|
if (error) {
|
|
device_printf(dev, "detach failed\n");
|
|
return (error);
|
|
}
|
|
|
|
error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
|
|
if (error) {
|
|
device_printf(dev, "failed to unregister interrupt handler\n");
|
|
}
|
|
|
|
aic_isa_release_resources(dev);
|
|
return (0);
|
|
}
|
|
|
|
static device_method_t aic_isa_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, aic_isa_probe),
|
|
DEVMETHOD(device_attach, aic_isa_attach),
|
|
DEVMETHOD(device_detach, aic_isa_detach),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t aic_isa_driver = {
|
|
"aic",
|
|
aic_isa_methods, sizeof(struct aic_isa_softc),
|
|
};
|
|
|
|
extern devclass_t aic_devclass;
|
|
|
|
MODULE_DEPEND(aic, cam, 1,1,1);
|
|
DRIVER_MODULE(aic, isa, aic_isa_driver, aic_devclass, 0, 0);
|