f86e60008b
o Remove All Rights Reserved from my notices o imp@FreeBSD.org everywhere o regularize punctiation, eliminate date ranges o Make sure that it's clear that I don't claim All Rights reserved by listing All Rights Reserved on same line as other copyright holders (but not me). Other such holders are also listed last where it's clear.
204 lines
6.3 KiB
C
204 lines
6.3 KiB
C
/* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-3-Clause
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*
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* Copyright (c) 2002 JF Hay. All rights reserved.
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* Copyright (c) 2000 M. Warner Losh <imp@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 1996, 1998, 1999
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* Christopher G. Demetriou. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christopher G. Demetriou
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/malloc.h>
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#include <sys/sysctl.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/puc/puc_cfg.h>
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#include <dev/puc/puc_bfe.h>
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#include <dev/puc/pucdata.c>
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static int puc_msi_disable;
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SYSCTL_INT(_hw_puc, OID_AUTO, msi_disable, CTLFLAG_RDTUN,
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&puc_msi_disable, 0, "Disable use of MSI interrupts by puc(9)");
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static const struct puc_cfg *
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puc_pci_match(device_t dev, const struct puc_cfg *desc)
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{
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uint16_t vendor, device;
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uint16_t subvendor, subdevice;
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vendor = pci_get_vendor(dev);
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device = pci_get_device(dev);
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subvendor = pci_get_subvendor(dev);
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subdevice = pci_get_subdevice(dev);
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while (desc->vendor != 0xffff) {
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if (desc->vendor == vendor && desc->device == device) {
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/* exact match */
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if (desc->subvendor == subvendor &&
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desc->subdevice == subdevice)
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return (desc);
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/* wildcard match */
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if (desc->subvendor == 0xffff)
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return (desc);
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}
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desc++;
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}
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/* no match */
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return (NULL);
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}
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static int
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puc_pci_probe(device_t dev)
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{
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const struct puc_cfg *desc;
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if ((pci_read_config(dev, PCIR_HDRTYPE, 1) & PCIM_HDRTYPE) != 0)
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return (ENXIO);
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desc = puc_pci_match(dev, puc_pci_devices);
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if (desc == NULL)
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return (ENXIO);
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return (puc_bfe_probe(dev, desc));
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}
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static int
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puc_pci_attach(device_t dev)
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{
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struct puc_softc *sc;
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int error, count;
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sc = device_get_softc(dev);
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if (!puc_msi_disable) {
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count = 1;
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if (pci_alloc_msi(dev, &count) == 0) {
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sc->sc_msi = 1;
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sc->sc_irid = 1;
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}
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}
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error = puc_bfe_attach(dev);
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if (error != 0 && sc->sc_msi)
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pci_release_msi(dev);
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return (error);
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}
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static int
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puc_pci_detach(device_t dev)
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{
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struct puc_softc *sc;
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int error;
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sc = device_get_softc(dev);
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error = puc_bfe_detach(dev);
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if (error != 0)
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return (error);
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if (sc->sc_msi)
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error = pci_release_msi(dev);
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return (error);
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}
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static device_method_t puc_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, puc_pci_probe),
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DEVMETHOD(device_attach, puc_pci_attach),
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DEVMETHOD(device_detach, puc_pci_detach),
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DEVMETHOD(bus_alloc_resource, puc_bus_alloc_resource),
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DEVMETHOD(bus_release_resource, puc_bus_release_resource),
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DEVMETHOD(bus_get_resource, puc_bus_get_resource),
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DEVMETHOD(bus_read_ivar, puc_bus_read_ivar),
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DEVMETHOD(bus_setup_intr, puc_bus_setup_intr),
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DEVMETHOD(bus_teardown_intr, puc_bus_teardown_intr),
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DEVMETHOD(bus_print_child, puc_bus_print_child),
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DEVMETHOD(bus_child_pnpinfo_str, puc_bus_child_pnpinfo_str),
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DEVMETHOD(bus_child_location_str, puc_bus_child_location_str),
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DEVMETHOD_END
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};
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static driver_t puc_pci_driver = {
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puc_driver_name,
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puc_pci_methods,
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sizeof(struct puc_softc),
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};
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DRIVER_MODULE(puc, pci, puc_pci_driver, puc_devclass, 0, 0);
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MODULE_PNP_INFO("U16:vendor;U16:device;U16:#;U16:#;D:#", pci, puc,
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puc_pci_devices, nitems(puc_pci_devices) - 1);
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