1 | /* $NetBSD: if_ep_pcmcia.c,v 1.64 2016/07/07 06:55:42 msaitoh Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 1998, 2000, 2004 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, and by Charles M. Hannum. |
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 | /* |
34 | * Copyright (c) 1997 Marc Horowitz. All rights reserved. |
35 | * |
36 | * Redistribution and use in source and binary forms, with or without |
37 | * modification, are permitted provided that the following conditions |
38 | * are met: |
39 | * 1. Redistributions of source code must retain the above copyright |
40 | * notice, this list of conditions and the following disclaimer. |
41 | * 2. Redistributions in binary form must reproduce the above copyright |
42 | * notice, this list of conditions and the following disclaimer in the |
43 | * documentation and/or other materials provided with the distribution. |
44 | * 3. All advertising materials mentioning features or use of this software |
45 | * must display the following acknowledgement: |
46 | * This product includes software developed by Marc Horowitz. |
47 | * 4. The name of the author may not be used to endorse or promote products |
48 | * derived from this software without specific prior written permission. |
49 | * |
50 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
51 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
52 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
53 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
54 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
55 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
56 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
57 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
58 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
59 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
60 | */ |
61 | |
62 | #include <sys/cdefs.h> |
63 | __KERNEL_RCSID(0, "$NetBSD: if_ep_pcmcia.c,v 1.64 2016/07/07 06:55:42 msaitoh Exp $" ); |
64 | |
65 | #include <sys/param.h> |
66 | #include <sys/systm.h> |
67 | #include <sys/mbuf.h> |
68 | #include <sys/socket.h> |
69 | #include <sys/ioctl.h> |
70 | #include <sys/errno.h> |
71 | #include <sys/syslog.h> |
72 | #include <sys/select.h> |
73 | #include <sys/device.h> |
74 | |
75 | #include <net/if.h> |
76 | #include <net/if_dl.h> |
77 | #include <net/if_ether.h> |
78 | #include <net/if_media.h> |
79 | |
80 | #include <sys/cpu.h> |
81 | #include <sys/bus.h> |
82 | #include <sys/intr.h> |
83 | |
84 | #include <dev/mii/miivar.h> |
85 | |
86 | #include <dev/ic/elink3var.h> |
87 | #include <dev/ic/elink3reg.h> |
88 | |
89 | #include <dev/pcmcia/pcmciareg.h> |
90 | #include <dev/pcmcia/pcmciavar.h> |
91 | #include <dev/pcmcia/pcmciadevs.h> |
92 | |
93 | int ep_pcmcia_match(device_t, cfdata_t, void *); |
94 | void ep_pcmcia_attach(device_t, device_t, void *); |
95 | int ep_pcmcia_detach(device_t, int); |
96 | |
97 | int ep_pcmcia_get_enaddr(struct pcmcia_tuple *, void *); |
98 | int ep_pcmcia_enable(struct ep_softc *); |
99 | void ep_pcmcia_disable(struct ep_softc *); |
100 | |
101 | void ep_pcmcia_disable1(struct ep_softc *); |
102 | |
103 | struct ep_pcmcia_softc { |
104 | struct ep_softc sc_ep; /* real "ep" softc */ |
105 | |
106 | /* PCMCIA-specific goo */ |
107 | struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ |
108 | int sc_io_window; /* our i/o window */ |
109 | struct pcmcia_function *sc_pf; /* our PCMCIA function */ |
110 | }; |
111 | |
112 | CFATTACH_DECL_NEW(ep_pcmcia, sizeof(struct ep_pcmcia_softc), |
113 | ep_pcmcia_match, ep_pcmcia_attach, ep_pcmcia_detach, ep_activate); |
114 | |
115 | const struct ep_pcmcia_product { |
116 | struct pcmcia_product epp_product; |
117 | u_short epp_chipset; /* 3Com chipset used */ |
118 | int epp_flags; /* initial softc flags */ |
119 | } ep_pcmcia_products[] = { |
120 | { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C562, |
121 | PCMCIA_CIS_INVALID }, |
122 | ELINK_CHIPSET_3C509, 0 }, |
123 | |
124 | { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C589, |
125 | PCMCIA_CIS_INVALID }, |
126 | ELINK_CHIPSET_3C509, 0 }, |
127 | |
128 | { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CXEM556, |
129 | PCMCIA_CIS_INVALID }, |
130 | ELINK_CHIPSET_3C509, 0 }, |
131 | |
132 | { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CXEM556INT, |
133 | PCMCIA_CIS_INVALID }, |
134 | ELINK_CHIPSET_3C509, 0 }, |
135 | |
136 | { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C574, |
137 | PCMCIA_CIS_INVALID }, |
138 | ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, |
139 | |
140 | { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CCFEM556BI, |
141 | PCMCIA_CIS_INVALID }, |
142 | ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII }, |
143 | |
144 | { { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3C1, |
145 | PCMCIA_CIS_INVALID }, |
146 | ELINK_CHIPSET_3C509, 0 }, |
147 | }; |
148 | const size_t ep_pcmcia_nproducts = |
149 | sizeof(ep_pcmcia_products) / sizeof(ep_pcmcia_products[0]); |
150 | |
151 | int |
152 | ep_pcmcia_match(device_t parent, cfdata_t match, void *aux) |
153 | { |
154 | struct pcmcia_attach_args *pa = aux; |
155 | |
156 | /* This is to differentiate the serial function of some cards. */ |
157 | if (pa->pf->function != PCMCIA_FUNCTION_NETWORK) |
158 | return 0; |
159 | |
160 | if (pcmcia_product_lookup(pa, ep_pcmcia_products, ep_pcmcia_nproducts, |
161 | sizeof(ep_pcmcia_products[0]), NULL)) |
162 | return 1; |
163 | return 0; |
164 | } |
165 | |
166 | int |
167 | ep_pcmcia_enable(struct ep_softc *sc) |
168 | { |
169 | struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; |
170 | struct pcmcia_function *pf = psc->sc_pf; |
171 | int error; |
172 | |
173 | /* establish the interrupt. */ |
174 | sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc); |
175 | if (!sc->sc_ih) |
176 | return EIO; |
177 | |
178 | error = pcmcia_function_enable(pf); |
179 | if (error) { |
180 | pcmcia_intr_disestablish(pf, sc->sc_ih); |
181 | sc->sc_ih = 0; |
182 | return error; |
183 | } |
184 | |
185 | if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) || |
186 | (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) || |
187 | (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) { |
188 | int reg; |
189 | |
190 | /* turn off the serial-disable bit */ |
191 | |
192 | reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION); |
193 | if (reg & 0x08) { |
194 | reg &= ~0x08; |
195 | pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg); |
196 | } |
197 | |
198 | } |
199 | |
200 | return 0; |
201 | } |
202 | |
203 | void |
204 | ep_pcmcia_disable(struct ep_softc *sc) |
205 | { |
206 | struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc; |
207 | |
208 | pcmcia_function_disable(psc->sc_pf); |
209 | pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); |
210 | sc->sc_ih = 0; |
211 | } |
212 | |
213 | void |
214 | ep_pcmcia_attach(device_t parent, device_t self, void *aux) |
215 | { |
216 | struct ep_pcmcia_softc *psc = device_private(self); |
217 | struct ep_softc *sc = &psc->sc_ep; |
218 | struct pcmcia_attach_args *pa = aux; |
219 | struct pcmcia_config_entry *cfe; |
220 | const struct ep_pcmcia_product *epp; |
221 | u_int8_t myla[ETHER_ADDR_LEN]; |
222 | u_int8_t *enaddr = NULL; |
223 | int i; |
224 | int error; |
225 | |
226 | sc->sc_dev = self; |
227 | psc->sc_pf = pa->pf; |
228 | |
229 | SIMPLEQ_FOREACH(cfe, &pa->pf->cfe_head, cfe_list) { |
230 | if (cfe->num_memspace != 0) |
231 | continue; |
232 | if (cfe->num_iospace != 1) |
233 | continue; |
234 | |
235 | if (pa->product == PCMCIA_PRODUCT_3COM_3C562) { |
236 | /* |
237 | * the 3c562 can only use 0x??00-0x??7f |
238 | * according to the Linux driver |
239 | */ |
240 | |
241 | /* |
242 | * 3c562 i/o may decodes address line not only A0-3 |
243 | * but also A7. Anyway, we must sweep at most |
244 | * [0x0000, 0x0100). The address higher is given by a |
245 | * pcmcia bridge. But pcmcia bus-space allocation |
246 | * function implies cards will decode 10-bit address |
247 | * line. So we must search [0x0000, 0x0400). |
248 | * |
249 | * XXX: We must not check the bunch of I/O space range |
250 | * [0x400*n, 0x300 + 0x400*n) because they are |
251 | * reserved for legacy ISA devices and their alias |
252 | * images on PC/AT architecture. |
253 | */ |
254 | for (i = 0x0300; i < 0x0380; i += 0x10) { |
255 | if (pcmcia_io_alloc(pa->pf, i, |
256 | cfe->iospace[0].length, |
257 | cfe->iospace[0].length, |
258 | &psc->sc_pcioh) == 0) |
259 | break; |
260 | } |
261 | if (i != 0x0380) |
262 | break; |
263 | } else { |
264 | if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start, |
265 | cfe->iospace[0].length, cfe->iospace[0].length, |
266 | &psc->sc_pcioh) == 0) |
267 | break; |
268 | } |
269 | } |
270 | if (!cfe) { |
271 | aprint_error_dev(self, "failed to allocate I/O space\n" ); |
272 | goto ioalloc_failed; |
273 | } |
274 | |
275 | sc->sc_iot = psc->sc_pcioh.iot; |
276 | sc->sc_ioh = psc->sc_pcioh.ioh; |
277 | |
278 | /* Enable the card. */ |
279 | pcmcia_function_init(pa->pf, cfe); |
280 | |
281 | if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ? |
282 | PCMCIA_WIDTH_AUTO : PCMCIA_WIDTH_IO8), &psc->sc_pcioh, |
283 | &psc->sc_io_window)) { |
284 | aprint_error_dev(self, "can't map i/o space\n" ); |
285 | goto iomap_failed; |
286 | } |
287 | |
288 | error = ep_pcmcia_enable(sc); |
289 | if (error) |
290 | goto enable_failed; |
291 | sc->enabled = 1; |
292 | |
293 | switch (pa->product) { |
294 | case PCMCIA_PRODUCT_3COM_3C562: |
295 | /* |
296 | * 3c562a-c use this; 3c562d does it in the regular way. |
297 | * we might want to check the revision and produce a warning |
298 | * in the future. |
299 | */ |
300 | /* FALLTHROUGH */ |
301 | case PCMCIA_PRODUCT_3COM_3C574: |
302 | case PCMCIA_PRODUCT_3COM_3CCFEM556BI: |
303 | /* |
304 | * Apparently, some 3c574s do it this way, as well. |
305 | */ |
306 | if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla)) |
307 | enaddr = myla; |
308 | break; |
309 | } |
310 | |
311 | epp = pcmcia_product_lookup(pa, ep_pcmcia_products, |
312 | ep_pcmcia_nproducts, sizeof(ep_pcmcia_products[0]), NULL); |
313 | if (!epp) |
314 | panic("ep_pcmcia_attach: impossible" ); |
315 | |
316 | sc->bustype = ELINK_BUS_PCMCIA; |
317 | sc->ep_flags = epp->epp_flags; |
318 | |
319 | sc->enable = ep_pcmcia_enable; |
320 | sc->disable = ep_pcmcia_disable; |
321 | |
322 | if (epconfig(sc, epp->epp_chipset, enaddr)) |
323 | aprint_error_dev(self, "couldn't configure controller\n" ); |
324 | |
325 | sc->enabled = 0; |
326 | ep_pcmcia_disable(sc); |
327 | return; |
328 | |
329 | enable_failed: |
330 | pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); |
331 | iomap_failed: |
332 | pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); |
333 | ioalloc_failed: |
334 | psc->sc_io_window = -1; |
335 | } |
336 | |
337 | int |
338 | ep_pcmcia_detach(device_t self, int flags) |
339 | { |
340 | struct ep_pcmcia_softc *psc = device_private(self); |
341 | int rv; |
342 | |
343 | if (psc->sc_io_window == -1) |
344 | /* Nothing to detach. */ |
345 | return 0; |
346 | |
347 | rv = ep_detach(self, flags); |
348 | if (rv != 0) |
349 | return rv; |
350 | |
351 | /* Unmap our i/o window. */ |
352 | pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window); |
353 | |
354 | /* Free our i/o space. */ |
355 | pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh); |
356 | |
357 | return 0; |
358 | } |
359 | |
360 | int |
361 | ep_pcmcia_get_enaddr(struct pcmcia_tuple *tuple, void *arg) |
362 | { |
363 | u_int8_t *myla = arg; |
364 | int i; |
365 | |
366 | /* this is 3c562a-c magic */ |
367 | if (tuple->code == 0x88) { |
368 | if (tuple->length < ETHER_ADDR_LEN) |
369 | return 0; |
370 | |
371 | for (i = 0; i < ETHER_ADDR_LEN; i += 2) { |
372 | myla[i] = pcmcia_tuple_read_1(tuple, i + 1); |
373 | myla[i + 1] = pcmcia_tuple_read_1(tuple, i); |
374 | } |
375 | |
376 | return 1; |
377 | } |
378 | return 0; |
379 | } |
380 | |