/* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */ /*- * SPDX-License-Identifier: BSD-2-Clause AND BSD-3-Clause * * Copyright (c) 2002 JF Hay. All rights reserved. * Copyright (c) 2000 M. Warner Losh <imp@FreeBSD.org> * * 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/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> #include <dev/puc/pucdata.c> 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, puc_bus_child_pnpinfo), DEVMETHOD(bus_child_location, puc_bus_child_location), 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, 0, 0); MODULE_PNP_INFO("U16:vendor;U16:device;U16:#;U16:#;D:#", pci, puc, puc_pci_devices, nitems(puc_pci_devices) - 1);
