1 | /* $NetBSD: if_ne_pci.c,v 1.37 2014/03/29 19:28:25 christos Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, |
9 | * NASA Ames Research Center. |
10 | * |
11 | * Redistribution and use in source and binary forms, with or without |
12 | * modification, are permitted provided that the following conditions |
13 | * are met: |
14 | * 1. Redistributions of source code must retain the above copyright |
15 | * notice, this list of conditions and the following disclaimer. |
16 | * 2. Redistributions in binary form must reproduce the above copyright |
17 | * notice, this list of conditions and the following disclaimer in the |
18 | * documentation and/or other materials provided with the distribution. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
30 | * POSSIBILITY OF SUCH DAMAGE. |
31 | */ |
32 | |
33 | #include <sys/cdefs.h> |
34 | __KERNEL_RCSID(0, "$NetBSD: if_ne_pci.c,v 1.37 2014/03/29 19:28:25 christos Exp $" ); |
35 | |
36 | #include "opt_ipkdb.h" |
37 | |
38 | #include <sys/param.h> |
39 | #include <sys/systm.h> |
40 | #include <sys/mbuf.h> |
41 | #include <sys/syslog.h> |
42 | #include <sys/socket.h> |
43 | #include <sys/device.h> |
44 | |
45 | #include <net/if.h> |
46 | #include <net/if_ether.h> |
47 | #include <net/if_media.h> |
48 | |
49 | #include <sys/bus.h> |
50 | #include <sys/intr.h> |
51 | |
52 | #ifdef IPKDB_NE_PCI |
53 | #include <ipkdb/ipkdb.h> |
54 | #endif |
55 | |
56 | #include <dev/pci/pcireg.h> |
57 | #include <dev/pci/pcivar.h> |
58 | #include <dev/pci/pcidevs.h> |
59 | |
60 | #include <dev/ic/dp8390reg.h> |
61 | #include <dev/ic/dp8390var.h> |
62 | |
63 | #include <dev/ic/ne2000reg.h> |
64 | #include <dev/ic/ne2000var.h> |
65 | |
66 | #include <dev/ic/rtl80x9reg.h> |
67 | #include <dev/ic/rtl80x9var.h> |
68 | |
69 | struct ne_pci_softc { |
70 | struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ |
71 | |
72 | /* PCI-specific goo */ |
73 | void *sc_ih; /* interrupt handle */ |
74 | }; |
75 | |
76 | static int ne_pci_match(device_t, cfdata_t, void *); |
77 | static void ne_pci_attach(device_t, device_t, void *); |
78 | |
79 | CFATTACH_DECL_NEW(ne_pci, sizeof(struct ne_pci_softc), |
80 | ne_pci_match, ne_pci_attach, NULL, NULL); |
81 | |
82 | #ifdef IPKDB_NE_PCI |
83 | static struct ne_pci_softc ipkdb_softc; |
84 | static pci_chipset_tag_t ipkdb_pc; |
85 | static pcitag_t ipkdb_tag; |
86 | static struct ipkdb_if *ne_kip; |
87 | |
88 | int ne_pci_ipkdb_attach(struct ipkdb_if *, bus_space_tag_t, /* XXX */ |
89 | pci_chipset_tag_t, int, int); |
90 | |
91 | static int ne_pci_isipkdb(pci_chipset_tag_t, pcitag_t); |
92 | #endif |
93 | |
94 | static const struct ne_pci_product { |
95 | pci_vendor_id_t npp_vendor; |
96 | pci_product_id_t npp_product; |
97 | int (*npp_mediachange)(struct dp8390_softc *); |
98 | void (*npp_mediastatus)(struct dp8390_softc *, struct ifmediareq *); |
99 | void (*npp_init_card)(struct dp8390_softc *); |
100 | void (*npp_media_init)(struct dp8390_softc *); |
101 | const char *npp_name; |
102 | } ne_pci_products[] = { |
103 | { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029, |
104 | rtl80x9_mediachange, rtl80x9_mediastatus, |
105 | rtl80x9_init_card, rtl80x9_media_init, |
106 | "Realtek 8029" }, |
107 | |
108 | { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F, |
109 | NULL, NULL, |
110 | NULL, NULL, |
111 | "Winbond 89C940F" }, |
112 | |
113 | { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F_1, |
114 | NULL, NULL, |
115 | NULL, NULL, |
116 | "Winbond 89C940F" }, |
117 | |
118 | { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926, |
119 | NULL, NULL, |
120 | NULL, NULL, |
121 | "VIA Technologies VT86C926" }, |
122 | |
123 | { PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34, |
124 | NULL, NULL, |
125 | NULL, NULL, |
126 | "Surecom NE-34" }, |
127 | |
128 | { PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_5000, |
129 | NULL, NULL, |
130 | NULL, NULL, |
131 | "NetVin 5000" }, |
132 | |
133 | /* XXX The following entries need sanity checking in pcidevs */ |
134 | { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_NE2KETHER, |
135 | NULL, NULL, |
136 | NULL, NULL, |
137 | "Compex" }, |
138 | |
139 | { PCI_VENDOR_PROLAN, PCI_PRODUCT_PROLAN_NE2KETHER, |
140 | NULL, NULL, |
141 | NULL, NULL, |
142 | "ProLAN" }, |
143 | |
144 | { PCI_VENDOR_KTI, PCI_PRODUCT_KTI_NE2KETHER, |
145 | NULL, NULL, |
146 | NULL, NULL, |
147 | "KTI" }, |
148 | |
149 | { 0, 0, |
150 | NULL, NULL, |
151 | NULL, NULL, |
152 | NULL }, |
153 | }; |
154 | |
155 | static const struct ne_pci_product * |
156 | ne_pci_lookup(const struct pci_attach_args *pa) |
157 | { |
158 | const struct ne_pci_product *npp; |
159 | |
160 | for (npp = ne_pci_products; npp->npp_name != NULL; npp++) { |
161 | if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor && |
162 | PCI_PRODUCT(pa->pa_id) == npp->npp_product) |
163 | return (npp); |
164 | } |
165 | return (NULL); |
166 | } |
167 | |
168 | /* |
169 | * PCI constants. |
170 | * XXX These should be in a common file! |
171 | */ |
172 | #define PCI_CBIO PCI_BAR(0) /* Configuration Base IO Address */ |
173 | |
174 | static int |
175 | ne_pci_match(device_t parent, cfdata_t match, void *aux) |
176 | { |
177 | struct pci_attach_args *pa = aux; |
178 | |
179 | if (ne_pci_lookup(pa) != NULL) |
180 | return (1); |
181 | |
182 | return (0); |
183 | } |
184 | |
185 | static void |
186 | ne_pci_attach(device_t parent, device_t self, void *aux) |
187 | { |
188 | struct ne_pci_softc *psc = device_private(self); |
189 | struct ne2000_softc *nsc = &psc->sc_ne2000; |
190 | struct dp8390_softc *dsc = &nsc->sc_dp8390; |
191 | struct pci_attach_args *pa = aux; |
192 | pci_chipset_tag_t pc = pa->pa_pc; |
193 | bus_space_tag_t nict; |
194 | bus_space_handle_t nich; |
195 | bus_space_tag_t asict; |
196 | bus_space_handle_t asich; |
197 | const char *intrstr; |
198 | const struct ne_pci_product *npp; |
199 | pci_intr_handle_t ih; |
200 | pcireg_t csr; |
201 | char intrbuf[PCI_INTRSTR_LEN]; |
202 | |
203 | npp = ne_pci_lookup(pa); |
204 | if (npp == NULL) { |
205 | printf("\n" ); |
206 | panic("ne_pci_attach: impossible" ); |
207 | } |
208 | |
209 | dsc->sc_dev = self; |
210 | |
211 | printf(": %s Ethernet\n" , npp->npp_name); |
212 | |
213 | #ifdef IPKDB_NE_PCI |
214 | if (ne_pci_isipkdb(pc, pa->pa_tag)) { |
215 | nict = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt; |
216 | nich = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh; |
217 | ne_kip->port = nsc; |
218 | } else |
219 | #endif |
220 | if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, |
221 | &nict, &nich, NULL, NULL)) { |
222 | aprint_error_dev(dsc->sc_dev, "can't map i/o space\n" ); |
223 | return; |
224 | } |
225 | |
226 | asict = nict; |
227 | if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, |
228 | NE2000_ASIC_NPORTS, &asich)) { |
229 | aprint_error_dev(dsc->sc_dev, "can't subregion i/o space\n" ); |
230 | return; |
231 | } |
232 | |
233 | dsc->sc_regt = nict; |
234 | dsc->sc_regh = nich; |
235 | |
236 | nsc->sc_asict = asict; |
237 | nsc->sc_asich = asich; |
238 | |
239 | /* Enable the card. */ |
240 | csr = pci_conf_read(pc, pa->pa_tag, |
241 | PCI_COMMAND_STATUS_REG); |
242 | pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, |
243 | csr | PCI_COMMAND_MASTER_ENABLE); |
244 | |
245 | /* This interface is always enabled. */ |
246 | dsc->sc_enabled = 1; |
247 | |
248 | dsc->sc_mediachange = npp->npp_mediachange; |
249 | dsc->sc_mediastatus = npp->npp_mediastatus; |
250 | dsc->sc_media_init = npp->npp_media_init; |
251 | dsc->init_card = npp->npp_init_card; |
252 | |
253 | /* |
254 | * Do generic NE2000 attach. This will read the station address |
255 | * from the EEPROM. |
256 | */ |
257 | ne2000_attach(nsc, NULL); |
258 | |
259 | /* Map and establish the interrupt. */ |
260 | if (pci_intr_map(pa, &ih)) { |
261 | aprint_error_dev(dsc->sc_dev, "couldn't map interrupt\n" ); |
262 | return; |
263 | } |
264 | intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf)); |
265 | psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc); |
266 | if (psc->sc_ih == NULL) { |
267 | aprint_error_dev(dsc->sc_dev, "couldn't establish interrupt" ); |
268 | if (intrstr != NULL) |
269 | aprint_error(" at %s" , intrstr); |
270 | aprint_error("\n" ); |
271 | return; |
272 | } |
273 | aprint_normal_dev(dsc->sc_dev, "interrupting at %s\n" , intrstr); |
274 | } |
275 | |
276 | #ifdef IPKDB_NE_PCI |
277 | static int |
278 | ne_pci_isipkdb(pci_chipset_tag_t pc, pcitag_t tag) |
279 | { |
280 | return !memcmp(&pc, &ipkdb_pc, sizeof pc) |
281 | && !memcmp(&tag, &ipkdb_tag, sizeof tag); |
282 | } |
283 | |
284 | int |
285 | ne_pci_ipkdb_attach(struct ipkdb_if *kip, bus_space_tag_t iot, |
286 | pci_chipset_tag_t pc, int bus, int dev) |
287 | { |
288 | struct pci_attach_args pa; |
289 | bus_space_tag_t nict, asict; |
290 | bus_space_handle_t nich, asich; |
291 | u_int32_t csr; |
292 | |
293 | pa.pa_iot = iot; |
294 | pa.pa_pc = pc; |
295 | pa.pa_device = dev; |
296 | pa.pa_function = 0; |
297 | pa.pa_flags = PCI_FLAGS_IO_OKAY; |
298 | pa.pa_tag = pci_make_tag(pc, bus, dev, /*func*/0); |
299 | pa.pa_id = pci_conf_read(pc, pa.pa_tag, PCI_ID_REG); |
300 | pa.pa_class = pci_conf_read(pc, pa.pa_tag, PCI_CLASS_REG); |
301 | if (ne_pci_lookup(&pa) == NULL) |
302 | return -1; |
303 | |
304 | if (pci_mapreg_map(&pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, |
305 | &nict, &nich, NULL, NULL)) |
306 | return -1; |
307 | |
308 | asict = nict; |
309 | if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, |
310 | NE2000_ASIC_NPORTS, &asich)) { |
311 | bus_space_unmap(nict, nich, NE2000_NPORTS); |
312 | return -1; |
313 | } |
314 | |
315 | /* Enable card */ |
316 | csr = pci_conf_read(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG); |
317 | pci_conf_write(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG, |
318 | csr | PCI_COMMAND_MASTER_ENABLE); |
319 | |
320 | ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt = nict; |
321 | ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh = nich; |
322 | ipkdb_softc.sc_ne2000.sc_asict = asict; |
323 | ipkdb_softc.sc_ne2000.sc_asich = asich; |
324 | |
325 | kip->port = &ipkdb_softc; |
326 | ipkdb_pc = pc; |
327 | ipkdb_tag = pa.pa_tag; |
328 | ne_kip = kip; |
329 | |
330 | if (ne2000_ipkdb_attach(kip) < 0) { |
331 | bus_space_unmap(nict, nich, NE2000_NPORTS); |
332 | return -1; |
333 | } |
334 | |
335 | return 0; |
336 | } |
337 | #endif /* IPKDB_NE_PCI */ |
338 | |