1 /* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 JF Hay. All rights reserved. 5 * Copyright (c) 2000 M. Warner Losh. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 /*- 30 * Copyright (c) 1996, 1998, 1999 31 * Christopher G. Demetriou. All rights reserved. 32 * 33 * Redistribution and use in source and binary forms, with or without 34 * modification, are permitted provided that the following conditions 35 * are met: 36 * 1. Redistributions of source code must retain the above copyright 37 * notice, this list of conditions and the following disclaimer. 38 * 2. Redistributions in binary form must reproduce the above copyright 39 * notice, this list of conditions and the following disclaimer in the 40 * documentation and/or other materials provided with the distribution. 41 * 3. All advertising materials mentioning features or use of this software 42 * must display the following acknowledgement: 43 * This product includes software developed by Christopher G. Demetriou 44 * for the NetBSD Project. 45 * 4. The name of the author may not be used to endorse or promote products 46 * derived from this software without specific prior written permission 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 49 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 50 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 51 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 52 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 53 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 54 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 55 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 56 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 57 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 58 */ 59 60 #include <sys/cdefs.h> 61 __FBSDID("$FreeBSD$"); 62 63 #include <sys/param.h> 64 #include <sys/systm.h> 65 #include <sys/kernel.h> 66 #include <sys/module.h> 67 #include <sys/bus.h> 68 #include <sys/conf.h> 69 #include <sys/malloc.h> 70 71 #include <machine/bus.h> 72 #include <machine/resource.h> 73 #include <sys/rman.h> 74 75 #include <dev/pci/pcireg.h> 76 #include <dev/pci/pcivar.h> 77 78 #include <dev/puc/puc_cfg.h> 79 #include <dev/puc/puc_bfe.h> 80 81 static const struct puc_cfg * 82 puc_pci_match(device_t dev, const struct puc_cfg *desc) 83 { 84 uint16_t vendor, device; 85 uint16_t subvendor, subdevice; 86 87 vendor = pci_get_vendor(dev); 88 device = pci_get_device(dev); 89 subvendor = pci_get_subvendor(dev); 90 subdevice = pci_get_subdevice(dev); 91 92 while (desc->vendor != 0xffff) { 93 if (desc->vendor == vendor && desc->device == device) { 94 /* exact match */ 95 if (desc->subvendor == subvendor && 96 desc->subdevice == subdevice) 97 return (desc); 98 /* wildcard match */ 99 if (desc->subvendor == 0xffff) 100 return (desc); 101 } 102 desc++; 103 } 104 105 /* no match */ 106 return (NULL); 107 } 108 109 static int 110 puc_pci_probe(device_t dev) 111 { 112 const struct puc_cfg *desc; 113 114 if ((pci_read_config(dev, PCIR_HDRTYPE, 1) & PCIM_HDRTYPE) != 0) 115 return (ENXIO); 116 117 desc = puc_pci_match(dev, puc_pci_devices); 118 if (desc == NULL) 119 return (ENXIO); 120 return (puc_bfe_probe(dev, desc)); 121 } 122 123 static device_method_t puc_pci_methods[] = { 124 /* Device interface */ 125 DEVMETHOD(device_probe, puc_pci_probe), 126 DEVMETHOD(device_attach, puc_bfe_attach), 127 DEVMETHOD(device_detach, puc_bfe_detach), 128 129 DEVMETHOD(bus_alloc_resource, puc_bus_alloc_resource), 130 DEVMETHOD(bus_release_resource, puc_bus_release_resource), 131 DEVMETHOD(bus_get_resource, puc_bus_get_resource), 132 DEVMETHOD(bus_read_ivar, puc_bus_read_ivar), 133 DEVMETHOD(bus_setup_intr, puc_bus_setup_intr), 134 DEVMETHOD(bus_teardown_intr, puc_bus_teardown_intr), 135 DEVMETHOD(bus_print_child, puc_bus_print_child), 136 DEVMETHOD(bus_child_pnpinfo_str, puc_bus_child_pnpinfo_str), 137 DEVMETHOD(bus_child_location_str, puc_bus_child_location_str), 138 139 DEVMETHOD_END 140 }; 141 142 static driver_t puc_pci_driver = { 143 puc_driver_name, 144 puc_pci_methods, 145 sizeof(struct puc_softc), 146 }; 147 148 DRIVER_MODULE(puc, pci, puc_pci_driver, puc_devclass, 0, 0); 149