Annotation of sys/dev/pci/if_ep_pci.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_ep_pci.c,v 1.27 2006/06/17 18:00:43 brad 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_dl.h>
49: #include <net/if_types.h>
50: #include <net/if_media.h>
51:
52: #ifdef INET
53: #include <netinet/in.h>
54: #include <netinet/in_systm.h>
55: #include <netinet/in_var.h>
56: #include <netinet/ip.h>
57: #include <netinet/if_ether.h>
58: #endif
59:
60: #if NBPFILTER > 0
61: #include <net/bpf.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_size_t iosize;
117: pci_intr_handle_t ih;
118: pcireg_t i;
119: const char *intrstr = NULL;
120:
121: if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
122: &sc->sc_iot, &sc->sc_ioh, NULL, &iosize, 0)) {
123: printf(": can't map i/o space\n");
124: return;
125: }
126:
127: sc->bustype = EP_BUS_PCI;
128:
129: i = pci_conf_read(pc, pa->pa_tag, PCI_CONN);
130:
131: GO_WINDOW(0);
132:
133: printf(":");
134:
135: epconfig(sc, EP_CHIPSET_VORTEX, NULL);
136:
137: /* Map and establish the interrupt. */
138: if (pci_intr_map(pa, &ih)) {
139: printf(", couldn't map interrupt\n");
140: bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
141: return;
142: }
143: intrstr = pci_intr_string(pc, ih);
144: sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr,
145: sc, sc->sc_dev.dv_xname);
146: if (sc->sc_ih == NULL) {
147: printf(": couldn't establish interrupt");
148: if (intrstr != NULL)
149: printf(" at %s", intrstr);
150: printf("\n");
151: bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
152: return;
153: }
154: printf(" %s\n", intrstr);
155: }
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