xref: /openbsd/sys/dev/pci/if_ep_pci.c (revision db3296cf)
1 /*	$OpenBSD: if_ep_pci.c,v 1.22 2002/11/19 18:40:17 jason 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/syslog.h>
43 #include <sys/select.h>
44 #include <sys/device.h>
45 
46 #include <net/if.h>
47 #include <net/if_dl.h>
48 #include <net/if_types.h>
49 #include <net/if_media.h>
50 
51 #ifdef INET
52 #include <netinet/in.h>
53 #include <netinet/in_systm.h>
54 #include <netinet/in_var.h>
55 #include <netinet/ip.h>
56 #include <netinet/if_ether.h>
57 #endif
58 
59 #if NBPFILTER > 0
60 #include <net/bpf.h>
61 #include <net/bpfdesc.h>
62 #endif
63 
64 #include <machine/cpu.h>
65 #include <machine/bus.h>
66 #include <machine/intr.h>
67 
68 #include <dev/mii/mii.h>
69 #include <dev/mii/miivar.h>
70 
71 #include <dev/ic/elink3var.h>
72 #include <dev/ic/elink3reg.h>
73 
74 #include <dev/pci/pcivar.h>
75 #include <dev/pci/pcireg.h>
76 #include <dev/pci/pcidevs.h>
77 
78 /*
79  * PCI constants.
80  * XXX These should be in a common file!
81  */
82 #define PCI_CONN		0x48    /* Connector type */
83 #define PCI_CBIO		0x10    /* Configuration Base IO Address */
84 
85 int ep_pci_match(struct device *, void *, void *);
86 void ep_pci_attach(struct device *, struct device *, void *);
87 
88 struct cfattach ep_pci_ca = {
89 	sizeof(struct ep_softc), ep_pci_match, ep_pci_attach
90 };
91 
92 const struct pci_matchid ep_pci_devices[] = {
93 	{ PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C590 },
94 	{ PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C595MII },
95 	{ PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C595T4 },
96 	{ PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C595TX },
97 };
98 
99 int
100 ep_pci_match(parent, match, aux)
101 	struct device *parent;
102 	void *match, *aux;
103 {
104 	return (pci_matchbyid((struct pci_attach_args *)aux, ep_pci_devices,
105 	    sizeof(ep_pci_devices)/sizeof(ep_pci_devices[0])));
106 }
107 
108 void
109 ep_pci_attach(parent, self, aux)
110 	struct device *parent, *self;
111 	void *aux;
112 {
113 	struct ep_softc *sc = (void *)self;
114 	struct pci_attach_args *pa = aux;
115 	pci_chipset_tag_t pc = pa->pa_pc;
116 	bus_space_tag_t iot = pa->pa_iot;
117 	bus_addr_t iobase;
118 	bus_size_t iosize;
119 	pci_intr_handle_t ih;
120 	pcireg_t i;
121 	const char *intrstr = NULL;
122 
123 	if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) {
124 		printf(": can't find i/o space\n");
125 		return;
126 	}
127 
128 	if (bus_space_map(iot, iobase, iosize, 0, &sc->sc_ioh)) {
129 		printf(": can't map i/o space\n");
130 		return;
131 	}
132 
133 	sc->sc_iot = iot;
134 	sc->bustype = EP_BUS_PCI;
135 
136 	i = pci_conf_read(pc, pa->pa_tag, PCI_CONN);
137 
138 	GO_WINDOW(0);
139 
140 	printf(":");
141 
142 	epconfig(sc, EP_CHIPSET_VORTEX, NULL);
143 
144 	/* Enable the card. */
145 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
146 	    pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
147 	    PCI_COMMAND_MASTER_ENABLE);
148 
149 	/* Map and establish the interrupt. */
150 	if (pci_intr_map(pa, &ih)) {
151 		printf(", couldn't map interrupt\n");
152 		return;
153 	}
154 	intrstr = pci_intr_string(pc, ih);
155 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr,
156 	    sc, sc->sc_dev.dv_xname);
157 	if (sc->sc_ih == NULL) {
158 		printf(": couldn't establish interrupt");
159 		if (intrstr != NULL)
160 			printf(" at %s", intrstr);
161 		printf("\n");
162 		return;
163 	}
164 	printf(" %s\n", intrstr);
165 }
166