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/* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */
/*-
* Copyright (c) 2002 JF Hay. All rights reserved.
* Copyright (c) 2000 M. Warner Losh. 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.
*/
/*-
* Copyright (c) 1996, 1998, 1999
* Christopher G. Demetriou. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christopher G. Demetriou
* for the NetBSD Project.
* 4. 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 ``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 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/bus.h>
#include <sys/conf.h>
#include <sys/malloc.h>
#include <sys/sysctl.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/puc/puc_cfg.h>
#include <dev/puc/puc_bfe.h>
static int puc_msi_disable;
SYSCTL_INT(_hw_puc, OID_AUTO, msi_disable, CTLFLAG_RDTUN,
&puc_msi_disable, 0, "Disable use of MSI interrupts by puc(9)");
static const struct puc_cfg *
puc_pci_match(device_t dev, const struct puc_cfg *desc)
{
uint16_t vendor, device;
uint16_t subvendor, subdevice;
vendor = pci_get_vendor(dev);
device = pci_get_device(dev);
subvendor = pci_get_subvendor(dev);
subdevice = pci_get_subdevice(dev);
while (desc->vendor != 0xffff) {
if (desc->vendor == vendor && desc->device == device) {
/* exact match */
if (desc->subvendor == subvendor &&
desc->subdevice == subdevice)
return (desc);
/* wildcard match */
if (desc->subvendor == 0xffff)
return (desc);
}
desc++;
}
/* no match */
return (NULL);
}
static int
puc_pci_probe(device_t dev)
{
const struct puc_cfg *desc;
if ((pci_read_config(dev, PCIR_HDRTYPE, 1) & PCIM_HDRTYPE) != 0)
return (ENXIO);
desc = puc_pci_match(dev, puc_pci_devices);
if (desc == NULL)
return (ENXIO);
return (puc_bfe_probe(dev, desc));
}
static int
puc_pci_attach(device_t dev)
{
struct puc_softc *sc;
int error, count;
sc = device_get_softc(dev);
if (!puc_msi_disable) {
count = 1;
if (pci_alloc_msi(dev, &count) == 0) {
sc->sc_msi = 1;
sc->sc_irid = 1;
}
}
error = puc_bfe_attach(dev);
if (error != 0 && sc->sc_msi)
pci_release_msi(dev);
return (error);
}
static int
puc_pci_detach(device_t dev)
{
struct puc_softc *sc;
int error;
sc = device_get_softc(dev);
error = puc_bfe_detach(dev);
if (error != 0)
return (error);
if (sc->sc_msi)
error = pci_release_msi(dev);
return (error);
}
static device_method_t puc_pci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, puc_pci_probe),
DEVMETHOD(device_attach, puc_pci_attach),
DEVMETHOD(device_detach, puc_pci_detach),
DEVMETHOD(bus_alloc_resource, puc_bus_alloc_resource),
DEVMETHOD(bus_release_resource, puc_bus_release_resource),
DEVMETHOD(bus_get_resource, puc_bus_get_resource),
DEVMETHOD(bus_read_ivar, puc_bus_read_ivar),
DEVMETHOD(bus_setup_intr, puc_bus_setup_intr),
DEVMETHOD(bus_teardown_intr, puc_bus_teardown_intr),
DEVMETHOD(bus_print_child, puc_bus_print_child),
DEVMETHOD(bus_child_pnpinfo_str, puc_bus_child_pnpinfo_str),
DEVMETHOD(bus_child_location_str, puc_bus_child_location_str),
DEVMETHOD_END
};
static driver_t puc_pci_driver = {
puc_driver_name,
puc_pci_methods,
sizeof(struct puc_softc),
};
DRIVER_MODULE(puc, pci, puc_pci_driver, puc_devclass, 0, 0);
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