1 /* $NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $ */
4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-3-Clause
6 * Copyright (c) 2002 JF Hay. All rights reserved.
7 * Copyright (c) 2000 M. Warner Losh <imp@FreeBSD.org>
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * Copyright (c) 1996, 1998, 1999
33 * Christopher G. Demetriou. All rights reserved.
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
38 * 1. Redistributions of source code must retain the above copyright
39 * notice, this list of conditions and the following disclaimer.
40 * 2. Redistributions in binary form must reproduce the above copyright
41 * notice, this list of conditions and the following disclaimer in the
42 * documentation and/or other materials provided with the distribution.
43 * 3. All advertising materials mentioning features or use of this software
44 * must display the following acknowledgement:
45 * This product includes software developed by Christopher G. Demetriou
46 * for the NetBSD Project.
47 * 4. The name of the author may not be used to endorse or promote products
48 * derived from this software without specific prior written permission
50 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
51 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
52 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
53 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
54 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
55 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
56 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
57 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
59 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 #include <sys/cdefs.h>
63 __FBSDID("$FreeBSD$");
65 #include <sys/param.h>
66 #include <sys/systm.h>
67 #include <sys/kernel.h>
68 #include <sys/module.h>
71 #include <sys/malloc.h>
72 #include <sys/sysctl.h>
74 #include <machine/bus.h>
75 #include <machine/resource.h>
78 #include <dev/pci/pcireg.h>
79 #include <dev/pci/pcivar.h>
81 #include <dev/puc/puc_cfg.h>
82 #include <dev/puc/puc_bfe.h>
83 #include <dev/puc/pucdata.c>
85 static int puc_msi_disable;
86 SYSCTL_INT(_hw_puc, OID_AUTO, msi_disable, CTLFLAG_RDTUN,
87 &puc_msi_disable, 0, "Disable use of MSI interrupts by puc(9)");
89 static const struct puc_cfg *
90 puc_pci_match(device_t dev, const struct puc_cfg *desc)
92 uint16_t vendor, device;
93 uint16_t subvendor, subdevice;
95 vendor = pci_get_vendor(dev);
96 device = pci_get_device(dev);
97 subvendor = pci_get_subvendor(dev);
98 subdevice = pci_get_subdevice(dev);
100 while (desc->vendor != 0xffff) {
101 if (desc->vendor == vendor && desc->device == device) {
103 if (desc->subvendor == subvendor &&
104 desc->subdevice == subdevice)
107 if (desc->subvendor == 0xffff)
118 puc_pci_probe(device_t dev)
120 const struct puc_cfg *desc;
122 if ((pci_read_config(dev, PCIR_HDRTYPE, 1) & PCIM_HDRTYPE) != 0)
125 desc = puc_pci_match(dev, puc_pci_devices);
128 return (puc_bfe_probe(dev, desc));
132 puc_pci_attach(device_t dev)
134 struct puc_softc *sc;
137 sc = device_get_softc(dev);
139 if (!puc_msi_disable) {
142 if (pci_alloc_msi(dev, &count) == 0) {
148 error = puc_bfe_attach(dev);
150 if (error != 0 && sc->sc_msi)
151 pci_release_msi(dev);
157 puc_pci_detach(device_t dev)
159 struct puc_softc *sc;
162 sc = device_get_softc(dev);
164 error = puc_bfe_detach(dev);
170 error = pci_release_msi(dev);
176 static device_method_t puc_pci_methods[] = {
177 /* Device interface */
178 DEVMETHOD(device_probe, puc_pci_probe),
179 DEVMETHOD(device_attach, puc_pci_attach),
180 DEVMETHOD(device_detach, puc_pci_detach),
182 DEVMETHOD(bus_alloc_resource, puc_bus_alloc_resource),
183 DEVMETHOD(bus_release_resource, puc_bus_release_resource),
184 DEVMETHOD(bus_get_resource, puc_bus_get_resource),
185 DEVMETHOD(bus_read_ivar, puc_bus_read_ivar),
186 DEVMETHOD(bus_setup_intr, puc_bus_setup_intr),
187 DEVMETHOD(bus_teardown_intr, puc_bus_teardown_intr),
188 DEVMETHOD(bus_print_child, puc_bus_print_child),
189 DEVMETHOD(bus_child_pnpinfo_str, puc_bus_child_pnpinfo_str),
190 DEVMETHOD(bus_child_location_str, puc_bus_child_location_str),
195 static driver_t puc_pci_driver = {
198 sizeof(struct puc_softc),
201 DRIVER_MODULE(puc, pci, puc_pci_driver, puc_devclass, 0, 0);
202 MODULE_PNP_INFO("U16:vendor;U16:device;U16:#;U16:#;D:#", pci, puc,
203 puc_pci_devices, nitems(puc_pci_devices) - 1);