xref: /openbsd-src/sys/dev/pci/if_ep_pci.c (revision 46035553bfdd96e63c94e32da0210227ec2e3cf1)
1 /*	$OpenBSD: if_ep_pci.c,v 1.34 2015/11/24 17:11:39 mpi Exp $	*/
2 /*	$NetBSD: if_ep_pci.c,v 1.13 1996/10/21 22:56:38 thorpej Exp $	*/
3 
4 /*
5  * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *      This product includes software developed by Herb Peyerl.
19  * 4. The name of Herb Peyerl may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include "bpfilter.h"
35 
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/mbuf.h>
39 #include <sys/socket.h>
40 #include <sys/ioctl.h>
41 #include <sys/errno.h>
42 #include <sys/timeout.h>
43 #include <sys/syslog.h>
44 #include <sys/selinfo.h>
45 #include <sys/device.h>
46 
47 #include <net/if.h>
48 #include <net/if_media.h>
49 
50 #include <netinet/in.h>
51 #include <netinet/if_ether.h>
52 
53 #if NBPFILTER > 0
54 #include <net/bpf.h>
55 #endif
56 
57 #include <machine/cpu.h>
58 #include <machine/bus.h>
59 #include <machine/intr.h>
60 
61 #include <dev/mii/miivar.h>
62 
63 #include <dev/ic/elink3var.h>
64 #include <dev/ic/elink3reg.h>
65 
66 #include <dev/pci/pcivar.h>
67 #include <dev/pci/pcireg.h>
68 #include <dev/pci/pcidevs.h>
69 
70 /*
71  * PCI constants.
72  * XXX These should be in a common file!
73  */
74 #define PCI_CONN		0x48    /* Connector type */
75 #define PCI_CBIO		0x10    /* Configuration Base IO Address */
76 
77 int ep_pci_match(struct device *, void *, void *);
78 void ep_pci_attach(struct device *, struct device *, void *);
79 
80 struct cfattach ep_pci_ca = {
81 	sizeof(struct ep_softc), ep_pci_match, ep_pci_attach
82 };
83 
84 const struct pci_matchid ep_pci_devices[] = {
85 	{ PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C590 },
86 	{ PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C595MII },
87 	{ PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C595T4 },
88 	{ PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C595TX },
89 };
90 
91 int
92 ep_pci_match(parent, match, aux)
93 	struct device *parent;
94 	void *match, *aux;
95 {
96 	return (pci_matchbyid((struct pci_attach_args *)aux, ep_pci_devices,
97 	    nitems(ep_pci_devices)));
98 }
99 
100 void
101 ep_pci_attach(parent, self, aux)
102 	struct device *parent, *self;
103 	void *aux;
104 {
105 	struct ep_softc *sc = (void *)self;
106 	struct pci_attach_args *pa = aux;
107 	pci_chipset_tag_t pc = pa->pa_pc;
108 	bus_size_t iosize;
109 	pci_intr_handle_t ih;
110 	pcireg_t i;
111 	const char *intrstr = NULL;
112 
113 	if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
114 	    &sc->sc_iot, &sc->sc_ioh, NULL, &iosize, 0)) {
115 		printf(": can't map i/o space\n");
116 		return;
117 	}
118 
119 	sc->bustype = EP_BUS_PCI;
120 
121 	i = pci_conf_read(pc, pa->pa_tag, PCI_CONN);
122 
123 	GO_WINDOW(0);
124 
125 	printf(":");
126 
127 	epconfig(sc, EP_CHIPSET_VORTEX, NULL);
128 
129 	/* Map and establish the interrupt. */
130 	if (pci_intr_map(pa, &ih)) {
131 		printf(", couldn't map interrupt\n");
132 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
133 		return;
134 	}
135 	intrstr = pci_intr_string(pc, ih);
136 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr,
137 	    sc, sc->sc_dev.dv_xname);
138 	if (sc->sc_ih == NULL) {
139 		printf(": couldn't establish interrupt");
140 		if (intrstr != NULL)
141 			printf(" at %s", intrstr);
142 		printf("\n");
143 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
144 		return;
145 	}
146 	printf(" %s\n", intrstr);
147 }
148