1 /*
2 * All Rights Reserved, Copyright (C) Fujitsu Limited 1995
3 *
4 * This software may be used, modified, copied, distributed, and sold, in
5 * both source and binary form provided that the above copyright, these
6 * terms and the following disclaimer are retained. The name of the author
7 * and/or the contributor may not be used to endorse or promote products
8 * derived from this software without specific prior written permission.
9 *
10 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND THE CONTRIBUTOR ``AS IS'' AND
11 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
12 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
13 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR THE CONTRIBUTOR BE LIABLE
14 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
15 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
16 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION.
17 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
18 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
19 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
20 * SUCH DAMAGE.
21 *
22 * $FreeBSD: src/sys/dev/fe/if_fe_pccard.c,v 1.2.2.1 2000/09/22 10:01:47 nyan Exp $
23 */
24
25 #include "opt_fe.h"
26 #include "opt_inet.h"
27 #include "opt_ipx.h"
28
29 #include <sys/param.h>
30 #include <sys/kernel.h>
31 #include <sys/socket.h>
32 #include <sys/module.h>
33 #include <sys/bus.h>
34 #include <machine/clock.h>
35
36 #include <net/ethernet.h>
37 #include <net/if.h>
38 #include <net/if_mib.h>
39 #include <net/if_media.h>
40
41 #include <netinet/in.h>
42 #include <netinet/if_ether.h>
43
44 #include "mb86960.h"
45 #include "if_fereg.h"
46 #include "if_fevar.h"
47
48 #include <bus/pccard/pccardvar.h>
49
50 #include "card_if.h"
51 #include "pccarddevs.h"
52
53 /*
54 * PC-Card (PCMCIA) specific code.
55 */
56 static int fe_pccard_probe(device_t);
57 static int fe_pccard_attach(device_t);
58 static int fe_pccard_detach(device_t);
59 static int fe_pccard_match(device_t);
60
61 static const struct fe_pccard_product {
62 struct pccard_product mpp_product;
63 u_int32_t mpp_ioalign; /* required alignment */
64 int mpp_enet_maddr;
65 } fe_pccard_products[] = {
66 { PCMCIA_CARD(TDK, LAK_CD021BX, 0), 0, -1 },
67 { PCMCIA_CARD(TDK, LAK_CF010, 0), 0, -1 },
68 #if 0 /* XXX 86960-based? */
69 { PCMCIA_CARD(TDK, LAK_DFL9610, 1), 0, -1 },
70 #endif
71 { PCMCIA_CARD(CONTEC, CNETPC, 0), 0, -1 },
72 { PCMCIA_CARD(FUJITSU, LA501, 0), 0x20, -1 },
73 { PCMCIA_CARD(FUJITSU, LA10S, 0), 0, -1 },
74 { PCMCIA_CARD(RATOC, REX_R280, 0), 0, 0x1fc },
75 { { NULL } }
76 };
77
78 static int
79 fe_pccard_match(device_t dev)
80 {
81 const struct pccard_product *pp;
82
83 if ((pp = pccard_product_lookup(dev,
84 (const struct pccard_product *)fe_pccard_products,
85 sizeof(fe_pccard_products[0]), NULL)) != NULL) {
86 if (pp->pp_name != NULL)
87 device_set_desc(dev, pp->pp_name);
88 return 0;
89 }
90 return ENXIO;
91 }
92
93 static device_method_t fe_pccard_methods[] = {
94 /* Device interface */
95 DEVMETHOD(device_probe, pccard_compat_probe),
96 DEVMETHOD(device_attach, pccard_compat_attach),
97 DEVMETHOD(device_detach, fe_pccard_detach),
98
99 /* Card interface */
100 DEVMETHOD(card_compat_match, fe_pccard_match),
101 DEVMETHOD(card_compat_probe, fe_pccard_probe),
102 DEVMETHOD(card_compat_attach, fe_pccard_attach),
103
104 DEVMETHOD_END
105 };
106
107 static driver_t fe_pccard_driver = {
108 "fe",
109 fe_pccard_methods,
110 sizeof (struct fe_softc)
111 };
112
113 DRIVER_MODULE(if_fe, pccard, fe_pccard_driver, fe_devclass, NULL, NULL);
114
115
116 static int fe_probe_mbh(device_t);
117 static int fe_probe_tdk(device_t);
118
119 /*
120 * Initialize the device - called from Slot manager.
121 */
122 static int
123 fe_pccard_probe(device_t dev)
124 {
125 struct fe_softc *sc;
126 int i, error;
127 uint8_t sum;
128 const uint8_t *ether_addr;
129
130 /* Prepare for the device probe process. */
131 sc = device_get_softc(dev);
132 sc->sc_unit = device_get_unit(dev);
133
134 ether_addr = pccard_get_ether(dev);
135 for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
136 sum |= ether_addr[i];
137 if (sum)
138 bcopy(ether_addr, sc->sc_enaddr, ETHER_ADDR_LEN);
139
140 /* Probe for supported cards. */
141 if ((error = fe_probe_mbh(dev)) == 0)
142 goto end;
143 fe_release_resource(dev);
144
145 if ((error = fe_probe_tdk(dev)) == 0)
146 goto end;
147 fe_release_resource(dev);
148
149 end:
150 if (error == 0)
151 error = fe_alloc_irq(dev, 0);
152
153 fe_release_resource(dev);
154 return (error);
155 }
156
157 static int
158 fe_pccard_attach(device_t dev)
159 {
160 struct fe_softc *sc = device_get_softc(dev);
161
162 if (sc->port_used)
163 fe_alloc_port(dev, sc->port_used);
164 fe_alloc_irq(dev, 0);
165
166 return fe_attach(dev);
167 }
168
169 /*
170 * feunload - unload the driver and clear the table.
171 * XXX TODO:
172 * This is usually called when the card is ejected, but
173 * can be caused by a modunload of a controller driver.
174 * The idea is to reset the driver's view of the device
175 * and ensure that any driver entry points such as
176 * read and write do not hang.
177 */
178 static int
179 fe_pccard_detach(device_t dev)
180 {
181 struct fe_softc *sc = device_get_softc(dev);
182 struct ifnet *ifp = &sc->arpcom.ac_if;
183
184 lwkt_serialize_enter(ifp->if_serializer);
185 fe_stop(sc);
186 bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
187 lwkt_serialize_exit(ifp->if_serializer);
188
189 ether_ifdetach(ifp);
190 fe_release_resource(dev);
191
192 return 0;
193 }
194
195
196 /*
197 * Probe and initialization for Fujitsu MBH10302 PCMCIA Ethernet interface.
198 * Note that this is for 10302 only; MBH10304 is handled by fe_probe_tdk().
199 */
200 static void
201 fe_init_mbh(struct fe_softc *sc)
202 {
203 /* Minimal initialization of 86960. */
204 DELAY(200);
205 fe_outb(sc, FE_DLCR6, sc->proto_dlcr6 | FE_D6_DLC_DISABLE);
206 DELAY(200);
207
208 /* Disable all interrupts. */
209 fe_outb(sc, FE_DLCR2, 0);
210 fe_outb(sc, FE_DLCR3, 0);
211
212 /* Enable master interrupt flag. */
213 fe_outb(sc, FE_MBH0, FE_MBH0_MAGIC | FE_MBH0_INTR_ENABLE);
214 }
215
216 static int
217 fe_probe_mbh(device_t dev)
218 {
219 struct fe_softc *sc = device_get_softc(dev);
220
221 static struct fe_simple_probe_struct probe_table [] = {
222 { FE_DLCR2, 0x58, 0x00 },
223 { FE_DLCR4, 0x08, 0x00 },
224 { FE_DLCR6, 0xFF, 0xB6 },
225 { 0 }
226 };
227
228 /* MBH10302 occupies 32 I/O addresses. */
229 if (fe_alloc_port(dev, 32))
230 return ENXIO;
231
232 /* Ethernet MAC address should *NOT* have been given by pccardd,
233 if this is a true MBH10302; i.e., Ethernet address must be
234 "all-zero" upon entry. */
235 if (sc->sc_enaddr[0] || sc->sc_enaddr[1] || sc->sc_enaddr[2] ||
236 sc->sc_enaddr[3] || sc->sc_enaddr[4] || sc->sc_enaddr[5])
237 return ENXIO;
238
239 /* Fill the softc struct with default values. */
240 fe_softc_defaults(sc);
241
242 /*
243 * See if MBH10302 is on its address.
244 * I'm not sure the following probe code works. FIXME.
245 */
246 if (!fe_simple_probe(sc, probe_table))
247 return ENXIO;
248
249 /* Get our station address from EEPROM. */
250 fe_inblk(sc, FE_MBH10, sc->sc_enaddr, ETHER_ADDR_LEN);
251
252 /* Make sure we got a valid station address. */
253 if (!valid_Ether_p(sc->sc_enaddr, 0))
254 return ENXIO;
255
256 /* Determine the card type. */
257 sc->type = FE_TYPE_MBH;
258 sc->typestr = "MBH10302 (PCMCIA)";
259
260 /* We seems to need our own IDENT bits... FIXME. */
261 sc->proto_dlcr7 = FE_D7_BYTSWP_LH | FE_D7_IDENT_NICE;
262
263 /* Setup hooks. We need a special initialization procedure. */
264 sc->init = fe_init_mbh;
265
266 return 0;
267 }
268
269 /*
270 * Probe and initialization for TDK/CONTEC PCMCIA Ethernet interface.
271 * by MASUI Kenji <masui@cs.titech.ac.jp>
272 *
273 * (Contec uses TDK Ethenet chip -- hosokawa)
274 *
275 * This version of fe_probe_tdk has been rewrote to handle
276 * *generic* PC card implementation of Fujitsu MB8696x family. The
277 * name _tdk is just for a historical reason. :-)
278 */
279 static int
280 fe_probe_tdk (device_t dev)
281 {
282 struct fe_softc *sc = device_get_softc(dev);
283
284 static struct fe_simple_probe_struct probe_table [] = {
285 { FE_DLCR2, 0x50, 0x00 },
286 { FE_DLCR4, 0x08, 0x00 },
287 /* { FE_DLCR5, 0x80, 0x00 }, Does not work well. */
288 { 0 }
289 };
290
291 /* C-NET(PC)C occupies 16 I/O addresses. */
292 if (fe_alloc_port(dev, 16))
293 return ENXIO;
294
295 /* Fill the softc struct with default values. */
296 fe_softc_defaults(sc);
297
298 /*
299 * See if C-NET(PC)C is on its address.
300 */
301 if (!fe_simple_probe(sc, probe_table))
302 return ENXIO;
303
304 /* Determine the card type. */
305 sc->type = FE_TYPE_TDK;
306 sc->typestr = "Generic MB8696x/78Q837x Ethernet (PCMCIA)";
307
308 /* Make sure we got a valid station address. */
309 if (!valid_Ether_p(sc->sc_enaddr, 0))
310 return ENXIO;
311
312 return 0;
313 }
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