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/*-
* Copyright (c) 2004 TAKAHASHI Yoshihiro
* 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,
* without modification, immediately at the beginning of the file.
* 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/bio.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/rman.h>
#include <sys/systm.h>
#include <machine/bus.h>
#include <pc98/cbus/cbus.h>
#include <pc98/cbus/fdcreg.h>
#include <pc98/cbus/fdcvar.h>
#include <isa/isavar.h>
static bus_addr_t fdc_iat[] = {0, 2, 4};
static int
fdc_cbus_alloc_resources(device_t dev, struct fdc_data *fdc)
{
int rid;
fdc->fdc_dev = dev;
fdc->rid_ioport = 0;
fdc->rid_irq = 0;
fdc->rid_drq = 0;
fdc->res_irq = 0;
fdc->res_drq = 0;
fdc->res_ioport = isa_alloc_resourcev(dev, SYS_RES_IOPORT,
&fdc->rid_ioport, fdc_iat,
3, RF_ACTIVE);
if (fdc->res_ioport == 0) {
device_printf(dev, "cannot reserve I/O port range\n");
return ENXIO;
}
isa_load_resourcev(fdc->res_ioport, fdc_iat, 3);
fdc->portt = rman_get_bustag(fdc->res_ioport);
fdc->porth = rman_get_bushandle(fdc->res_ioport);
rid = 3;
bus_set_resource(dev, SYS_RES_IOPORT, rid, IO_FDPORT, 1);
fdc->res_fdsio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
RF_ACTIVE);
if (fdc->res_fdsio == 0)
return ENXIO;
fdc->sc_fdsiot = rman_get_bustag(fdc->res_fdsio);
fdc->sc_fdsioh = rman_get_bushandle(fdc->res_fdsio);
rid = 4;
bus_set_resource(dev, SYS_RES_IOPORT, rid, 0x4be, 1);
fdc->res_fdemsio = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
RF_ACTIVE);
if (fdc->res_fdemsio == 0)
return ENXIO;
fdc->sc_fdemsiot = rman_get_bustag(fdc->res_fdemsio);
fdc->sc_fdemsioh = rman_get_bushandle(fdc->res_fdemsio);
fdc->res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &fdc->rid_irq,
RF_ACTIVE);
if (fdc->res_irq == 0) {
device_printf(dev, "cannot reserve interrupt line\n");
return ENXIO;
}
if ((fdc->flags & FDC_NODMA) == 0) {
fdc->res_drq = bus_alloc_resource_any(dev, SYS_RES_DRQ,
&fdc->rid_drq, RF_ACTIVE);
if (fdc->res_drq == 0) {
device_printf(dev, "cannot reserve DMA request line\n");
return ENXIO;
}
fdc->dmachan = rman_get_start(fdc->res_drq);
}
return 0;
}
static int
fdc_cbus_probe(device_t dev)
{
int error;
struct fdc_data *fdc;
fdc = device_get_softc(dev);
/* Check pnp ids */
if (isa_get_vendorid(dev))
return (ENXIO);
/* Attempt to allocate our resources for the duration of the probe */
error = fdc_cbus_alloc_resources(dev, fdc);
if (!error)
error = fdc_initial_reset(fdc);
fdc_release_resources(fdc);
return (error);
}
static int
fdc_cbus_attach(device_t dev)
{
struct fdc_data *fdc;
int error;
fdc = device_get_softc(dev);
if ((error = fdc_cbus_alloc_resources(dev, fdc)) != 0 ||
(error = fdc_attach(dev)) != 0 ||
(error = fdc_hints_probe(dev)) != 0) {
fdc_release_resources(fdc);
return (error);
}
return (0);
}
static device_method_t fdc_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, fdc_cbus_probe),
DEVMETHOD(device_attach, fdc_cbus_attach),
DEVMETHOD(device_detach, fdc_detach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),
/* Bus interface */
DEVMETHOD(bus_print_child, fdc_print_child),
DEVMETHOD(bus_read_ivar, fdc_read_ivar),
DEVMETHOD(bus_write_ivar, fdc_write_ivar),
/* Our children never use any other bus interface methods. */
{ 0, 0 }
};
static driver_t fdc_driver = {
"fdc",
fdc_methods,
sizeof(struct fdc_data)
};
DRIVER_MODULE(fdc, isa, fdc_driver, fdc_devclass, 0, 0);
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