Do a major clean-up of the BUSDMA architecture. A large number of
[dragonfly.git] / sys / dev / netif / ep / if_ep_pccard.c
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1/*
2 * Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Herb Peyerl.
16 * 4. The name of Herb Peyerl may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * $FreeBSD: src/sys/dev/ep/if_ep_pccard.c,v 1.12.2.2 2000/08/08 23:55:02 peter Exp $
1f7ab7c9 31 * $DragonFly: src/sys/dev/netif/ep/if_ep_pccard.c,v 1.11 2006/10/25 20:55:56 dillon Exp $
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32 */
33
34/*
35 * Pccard support for 3C589 by:
36 * HAMADA Naoki
37 * nao@tom-yam.or.jp
38 */
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/kernel.h>
43#include <sys/socket.h>
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44#include <sys/module.h>
45#include <sys/bus.h>
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46#include <sys/rman.h>
47
48#include <net/ethernet.h>
49#include <net/if.h>
50#include <net/if_arp.h>
51#include <net/if_media.h>
52
53#include <machine/clock.h>
54
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55#include "if_epreg.h"
56#include "if_epvar.h"
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58#include <bus/pccard/pccardvar.h>
59#include <bus/pccard/pccarddevs.h>
60
61#include "card_if.h"
62
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63static const char *ep_pccard_identify(u_short id);
64
65/*
66 * Initialize the device - called from Slot manager.
67 */
68static int
69ep_pccard_probe(device_t dev)
70{
71 struct ep_softc * sc = device_get_softc(dev);
72 struct ep_board * epb = &sc->epb;
73 const char * desc;
74 int error;
75
76 error = ep_alloc(dev);
77 if (error)
78 return error;
79
80 /*
81 * XXX - Certain (newer?) 3Com cards need epb->cmd_off ==
82 * 2. Sadly, you need to have a correct cmd_off in order to
83 * identify the card. So we have to hit it with both and
84 * cross our virtual fingers. There's got to be a better way
85 * to do this. jyoung@accessus.net 09/11/1999
86 */
87
88 epb->cmd_off = 0;
89 epb->prod_id = get_e(sc, EEPROM_PROD_ID);
90 if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) {
91 if (bootverbose)
92 device_printf(dev, "Pass 1 of 2 detection "
93 "failed (nonfatal)\n");
94 epb->cmd_off = 2;
95 epb->prod_id = get_e(sc, EEPROM_PROD_ID);
96 if ((desc = ep_pccard_identify(epb->prod_id)) == NULL) {
97 device_printf(dev, "Unit failed to come ready or "
98 "product ID unknown! (id 0x%x)\n", epb->prod_id);
99 ep_free(dev);
100 return (ENXIO);
101 }
102 }
103 device_set_desc(dev, desc);
104
105 /*
106 * For some reason the 3c574 needs this.
107 */
108 ep_get_macaddr(sc, (u_char *)&sc->arpcom.ac_enaddr);
109
110 ep_free(dev);
111 return (0);
112}
113
114static const char *
115ep_pccard_identify(u_short id)
116{
117 /* Determine device type and associated MII capabilities */
118 switch (id) {
119 case 0x6055: /* 3C556 */
120 return ("3Com 3C556");
121 case 0x4057: /* 3C574 */
122 return ("3Com 3C574");
123 case 0x4b57: /* 3C574B */
124 return ("3Com 3C574B, Megahertz 3CCFE574BT or "
125 "Fast Etherlink 3C574-TX");
126 case 0x2b57: /* 3CXSH572BT */
127 return ("3Com OfficeConnect 572BT");
128 case 0x9058: /* 3C589 */
129 return ("3Com Etherlink III 3C589");
130 case 0x2056: /* 3C562/3C563 */
131 return ("3Com 3C562D/3C563D");
132 }
133 return (NULL);
134}
135
136static int
137ep_pccard_card_attach(struct ep_board *epb)
138{
139 /* Determine device type and associated MII capabilities */
140 switch (epb->prod_id) {
141 case 0x6055: /* 3C556 */
142 case 0x2b57: /* 3C572BT */
143 case 0x4057: /* 3C574 */
144 case 0x4b57: /* 3C574B */
145 epb->mii_trans = 1;
146 return (1);
147 case 0x2056: /* 3C562D/3C563D */
148 case 0x9058: /* 3C589 */
149 epb->mii_trans = 0;
150 return (1);
151 }
152 return (0);
153}
154
155static int
156ep_pccard_attach(device_t dev)
157{
158 struct ep_softc * sc = device_get_softc(dev);
159 int error = 0;
160
161 if ((error = ep_alloc(dev))) {
162 device_printf(dev, "ep_alloc() failed! (%d)\n", error);
163 goto bad;
164 }
165
166 sc->epb.cmd_off = 0;
167 sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID);
168 if (!ep_pccard_card_attach(&sc->epb)) {
169 sc->epb.cmd_off = 2;
170 sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID);
171 sc->epb.res_cfg = get_e(sc, EEPROM_RESOURCE_CFG);
172 if (!ep_pccard_card_attach(&sc->epb)) {
173 device_printf(dev,
174 "Probe found ID, attach failed so ignore card!\n");
175 error = ENXIO;
176 goto bad;
177 }
178 }
179
180 /* ROM size = 0, ROM base = 0 */
181 /* For now, ignore AUTO SELECT feature of 3C589B and later. */
182 outw(BASE + EP_W0_ADDRESS_CFG, get_e(sc, EEPROM_ADDR_CFG) & 0xc000);
183
184 /* Fake IRQ must be 3 */
185 outw(BASE + EP_W0_RESOURCE_CFG, (sc->epb.res_cfg & 0x0fff) | 0x3000);
186
187 outw(BASE + EP_W0_PRODUCT_ID, sc->epb.prod_id);
188
189 if (sc->epb.mii_trans) {
190 /*
191 * turn on the MII transciever
192 */
193 GO_WINDOW(3);
194 outw(BASE + EP_W3_OPTIONS, 0x8040);
195 DELAY(1000);
196 outw(BASE + EP_W3_OPTIONS, 0xc040);
197 outw(BASE + EP_COMMAND, RX_RESET);
198 outw(BASE + EP_COMMAND, TX_RESET);
199 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
200 DELAY(1000);
201 outw(BASE + EP_W3_OPTIONS, 0x8040);
202 } else {
203 ep_get_media(sc);
204 }
205
206 if ((error = ep_attach(sc))) {
207 device_printf(dev, "ep_attach() failed! (%d)\n", error);
208 goto bad;
209 }
210
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211 error = bus_setup_intr(dev, sc->irq, INTR_NETSAFE, ep_intr,
212 sc, &sc->ep_intrhand,
213 sc->arpcom.ac_if.if_serializer);
214 if (error) {
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215 device_printf(dev, "bus_setup_intr() failed! (%d)\n", error);
216 goto bad;
217 }
218
219 return (0);
220bad:
221 ep_free(dev);
222 return (error);
223}
224
225static int
226ep_pccard_detach(device_t dev)
227{
228 struct ep_softc *sc = device_get_softc(dev);
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229 struct ifnet *ifp = &sc->arpcom.ac_if;
230
231 lwkt_serialize_enter(ifp->if_serializer);
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232
233 if (sc->gone) {
234 device_printf(dev, "already unloaded\n");
cdf89432 235 lwkt_serialize_exit(ifp->if_serializer);
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236 return (0);
237 }
cdf89432 238 ifp->if_flags &= ~IFF_RUNNING;
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239 sc->gone = 1;
240 bus_teardown_intr(dev, sc->irq, sc->ep_intrhand);
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241
242 lwkt_serialize_exit(ifp->if_serializer);
243
244 ether_ifdetach(&sc->arpcom.ac_if);
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245 ep_free(dev);
246 return (0);
247}
248
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249static const struct pccard_product ep_pccard_products[] = {
250 PCMCIA_CARD(3COM, 3C1, 0),
251 PCMCIA_CARD(3COM, 3C562, 0),
252 PCMCIA_CARD(3COM, 3C574, 0), /* ROADRUNNER */
253 PCMCIA_CARD(3COM, 3C589, 0),
254 PCMCIA_CARD(3COM, 3CCFEM556BI, 0), /* ROADRUNNER */
255 PCMCIA_CARD(3COM, 3CXEM556, 0),
256 PCMCIA_CARD(3COM, 3CXEM556INT, 0),
257 {NULL}
258};
259
260static int
261ep_pccard_match(device_t dev)
262{
263 const struct pccard_product *pp;
264
265 if ((pp = pccard_product_lookup(dev, ep_pccard_products,
266 sizeof(ep_pccard_products[0]), NULL)) != NULL) {
267 if (pp->pp_name != NULL)
268 device_set_desc(dev, pp->pp_name);
269 return 0;
270 }
271 return EIO;
272}
273
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274static device_method_t ep_pccard_methods[] = {
275 /* Device interface */
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276 DEVMETHOD(device_probe, pccard_compat_probe),
277 DEVMETHOD(device_attach, pccard_compat_attach),
278 DEVMETHOD(device_detach, ep_pccard_detach),
279
280 /* Card interface */
281 DEVMETHOD(card_compat_match, ep_pccard_match),
282 DEVMETHOD(card_compat_probe, ep_pccard_probe),
283 DEVMETHOD(card_compat_attach, ep_pccard_attach),
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284
285 { 0, 0 }
286};
287
288static driver_t ep_pccard_driver = {
289 "ep",
290 ep_pccard_methods,
291 sizeof(struct ep_softc),
292};
293
294extern devclass_t ep_devclass;
295
32832096 296DRIVER_MODULE(if_ep, pccard, ep_pccard_driver, ep_devclass, 0, 0);