Annotation of sys/dev/pci/if_ne_pci.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_ne_pci.c,v 1.16 2006/10/20 17:02:24 brad Exp $ */
2: /* $NetBSD: if_ne_pci.c,v 1.8 1998/07/05 00:51:24 jonathan Exp $ */
3:
4: /*-
5: * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
10: * NASA Ames Research Center.
11: *
12: * Redistribution and use in source and binary forms, with or without
13: * modification, are permitted provided that the following conditions
14: * are met:
15: * 1. Redistributions of source code must retain the above copyright
16: * notice, this list of conditions and the following disclaimer.
17: * 2. Redistributions in binary form must reproduce the above copyright
18: * notice, this list of conditions and the following disclaimer in the
19: * documentation and/or other materials provided with the distribution.
20: * 3. All advertising materials mentioning features or use of this software
21: * must display the following acknowledgement:
22: * This product includes software developed by the NetBSD
23: * Foundation, Inc. and its contributors.
24: * 4. Neither the name of The NetBSD Foundation nor the names of its
25: * contributors may be used to endorse or promote products derived
26: * from this software without specific prior written permission.
27: *
28: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38: * POSSIBILITY OF SUCH DAMAGE.
39: */
40:
41: #include "bpfilter.h"
42:
43: #include <sys/param.h>
44: #include <sys/systm.h>
45: #include <sys/mbuf.h>
46: #include <sys/syslog.h>
47: #include <sys/socket.h>
48: #include <sys/device.h>
49:
50: #include <net/if.h>
51: #include <net/if_media.h>
52:
53: #ifdef INET
54: #include <netinet/in.h>
55: #include <netinet/if_ether.h>
56: #endif
57:
58: #include <machine/bus.h>
59: #include <machine/intr.h>
60:
61: #include <dev/pci/pcireg.h>
62: #include <dev/pci/pcivar.h>
63: #include <dev/pci/pcidevs.h>
64:
65: #include <dev/mii/miivar.h>
66:
67: #include <dev/ic/dp8390reg.h>
68: #include <dev/ic/dp8390var.h>
69:
70: #include <dev/ic/ne2000reg.h>
71: #include <dev/ic/ne2000var.h>
72:
73: #include <dev/ic/rtl80x9reg.h>
74: #include <dev/ic/rtl80x9var.h>
75:
76: struct ne_pci_softc {
77: struct ne2000_softc sc_ne2000; /* real "ne2000" softc */
78:
79: /* PCI-specific goo */
80: void *sc_ih; /* interrupt handle */
81: };
82:
83: int ne_pci_match(struct device *, void *, void *);
84: void ne_pci_attach(struct device *, struct device *, void *);
85:
86: struct cfattach ne_pci_ca = {
87: sizeof(struct ne_pci_softc), ne_pci_match, ne_pci_attach
88: };
89:
90: const struct ne_pci_product {
91: pci_vendor_id_t npp_vendor;
92: pci_product_id_t npp_product;
93: int (*npp_mediachange)(struct dp8390_softc *);
94: void (*npp_mediastatus)(struct dp8390_softc *,
95: struct ifmediareq *);
96: void (*npp_init_card)(struct dp8390_softc *);
97: void (*npp_media_init)(struct dp8390_softc *);
98: } ne_pci_prod[] = {
99: { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029,
100: rtl80x9_mediachange, rtl80x9_mediastatus,
101: rtl80x9_init_card, rtl80x9_media_init,
102: /* RealTek 8029 */ },
103:
104: { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F,
105: NULL, NULL,
106: NULL, NULL,
107: /* Winbond 89C940F */ },
108:
109: { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926,
110: NULL, NULL,
111: NULL, NULL,
112: /* VIA Technologies VT86C926 */ },
113:
114: { PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34,
115: NULL, NULL,
116: NULL, NULL,
117: /* Surecom NE-34 */ },
118:
119: { PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_NV5000,
120: NULL, NULL,
121: NULL, NULL,
122: /* NetVin 5000 */ },
123:
124: /* XXX The following entries need sanity checking in pcidevs */
125: { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_COMPEXE,
126: NULL, NULL,
127: NULL, NULL,
128: /* Compex */ },
129:
130: { PCI_VENDOR_WINBOND2, PCI_PRODUCT_WINBOND2_W89C940,
131: NULL, NULL,
132: NULL, NULL,
133: /* ProLAN */ },
134:
135: { PCI_VENDOR_KTI, PCI_PRODUCT_KTI_KTIE,
136: NULL, NULL,
137: NULL, NULL,
138: /* KTI */ },
139: };
140:
141: const struct ne_pci_product *ne_pci_lookup(struct pci_attach_args *);
142:
143: const struct ne_pci_product *
144: ne_pci_lookup(struct pci_attach_args *pa)
145: {
146: const struct ne_pci_product *npp;
147:
148: for (npp = ne_pci_prod;
149: npp < &ne_pci_prod[sizeof(ne_pci_prod)/sizeof(ne_pci_prod[0])];
150: npp++) {
151: if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor &&
152: PCI_PRODUCT(pa->pa_id) == npp->npp_product)
153: return (npp);
154: }
155: return (NULL);
156: }
157:
158: /*
159: * PCI constants.
160: * XXX These should be in a common file!
161: */
162: #define PCI_CBIO 0x10 /* Configuration Base IO Address */
163:
164: int
165: ne_pci_match(struct device *parent, void *match, void *aux)
166: {
167: struct pci_attach_args *pa = aux;
168:
169: if (ne_pci_lookup(pa) != NULL)
170: return (1);
171:
172: return (0);
173: }
174:
175: void
176: ne_pci_attach(struct device *parent, struct device *self, void *aux)
177: {
178: struct ne_pci_softc *psc = (struct ne_pci_softc *)self;
179: struct ne2000_softc *nsc = &psc->sc_ne2000;
180: struct dp8390_softc *dsc = &nsc->sc_dp8390;
181: struct pci_attach_args *pa = aux;
182: pci_chipset_tag_t pc = pa->pa_pc;
183: bus_size_t iosize;
184: bus_space_tag_t nict;
185: bus_space_handle_t nich;
186: bus_space_tag_t asict;
187: bus_space_handle_t asich;
188: const char *intrstr;
189: const struct ne_pci_product *npp;
190: pci_intr_handle_t ih;
191:
192: npp = ne_pci_lookup(pa);
193: if (npp == NULL) {
194: printf("\n");
195: panic("ne_pci_attach: impossible");
196: }
197:
198: if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
199: &nict, &nich, NULL, &iosize, 0)) {
200: printf(": can't map i/o space\n");
201: return;
202: }
203:
204: asict = nict;
205: if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
206: NE2000_ASIC_NPORTS, &asich)) {
207: printf(": can't subregion i/o space\n");
208: bus_space_unmap(nict, nich, iosize);
209: return;
210: }
211:
212: dsc->sc_regt = nict;
213: dsc->sc_regh = nich;
214:
215: nsc->sc_asict = asict;
216: nsc->sc_asich = asich;
217:
218: /* This interface is always enabled. */
219: dsc->sc_enabled = 1;
220:
221: dsc->sc_mediachange = npp->npp_mediachange;
222: dsc->sc_mediastatus = npp->npp_mediastatus;
223: dsc->sc_media_init = npp->npp_media_init;
224: dsc->init_card = npp->npp_init_card;
225:
226: /* Map and establish the interrupt. */
227: if (pci_intr_map(pa, &ih)) {
228: printf(": couldn't map interrupt\n");
229: bus_space_unmap(nict, nich, iosize);
230: return;
231: }
232: intrstr = pci_intr_string(pc, ih);
233: psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc,
234: dsc->sc_dev.dv_xname);
235: if (psc->sc_ih == NULL) {
236: printf(": couldn't establish interrupt");
237: if (intrstr != NULL)
238: printf(" at %s", intrstr);
239: printf("\n");
240: bus_space_unmap(nict, nich, iosize);
241: return;
242: }
243: printf(": %s", intrstr);
244:
245: /*
246: * Do generic NE2000 attach. This will read the station address
247: * from the EEPROM.
248: */
249: ne2000_attach(nsc, NULL);
250: }
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