1 /* $OpenBSD: if_xl_cardbus.c,v 1.15 2004/10/07 21:16:59 brad Exp $ */
2 /* $NetBSD: if_xl_cardbus.c,v 1.13 2000/03/07 00:32:52 mycroft Exp $ */
3
4 /*
5 * CardBus specific routines for 3Com 3C575-family CardBus ethernet adapter
6 *
7 * Copyright (c) 1998 and 1999
8 * HAYAKAWA Koichi. All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the author.
21 * 4. Neither the name of the author nor the names of any co-contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY HAYAKAWA KOICHI ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL TAKESHI OHASHI OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 *
38 */
39
40 #include "bpfilter.h"
41
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/mbuf.h>
45 #include <sys/socket.h>
46 #include <sys/ioctl.h>
47 #include <sys/errno.h>
48 #include <sys/malloc.h>
49 #include <sys/kernel.h>
50 #include <sys/proc.h>
51 #include <sys/device.h>
52
53 #include <net/if.h>
54 #include <net/if_dl.h>
55 #include <net/if_types.h>
56 #include <net/if_media.h>
57
58 #ifdef INET
59 #include <netinet/in.h>
60 #include <netinet/in_systm.h>
61 #include <netinet/in_var.h>
62 #include <netinet/ip.h>
63 #include <netinet/if_ether.h>
64 #endif
65
66 #include <machine/cpu.h>
67 #include <machine/bus.h>
68
69 #include <dev/cardbus/cardbusvar.h>
70 #include <dev/pci/pcidevs.h>
71
72 #include <dev/mii/mii.h>
73 #include <dev/mii/miivar.h>
74
75 #include <dev/ic/xlreg.h>
76
77 #if defined XL_DEBUG
78 #define DPRINTF(a) printf a
79 #else
80 #define DPRINTF(a)
81 #endif
82
83 #define CARDBUS_3C575BTX_FUNCSTAT_PCIREG CARDBUS_BASE2_REG /* means 0x18 */
84
85 int xl_cardbus_match(struct device *, void *, void *);
86 void xl_cardbus_attach(struct device *, struct device *,void *);
87 int xl_cardbus_detach(struct device *, int);
88 void xl_cardbus_intr_ack(struct xl_softc *);
89
90 #define XL_CARDBUS_BOOMERANG 0x0001
91 #define XL_CARDBUS_CYCLONE 0x0002
92
93 #define XL_CARDBUS_INTR 0x0004
94 #define XL_CARDBUS_INTR_ACK 0x8000
95
96 struct xl_cardbus_softc {
97 struct xl_softc sc_softc;
98
99 cardbus_devfunc_t sc_ct;
100 int sc_intrline;
101 u_int8_t sc_cardbus_flags;
102 u_int8_t sc_cardtype;
103
104 /* CardBus function status space. 575B requests it. */
105 bus_space_tag_t sc_funct;
106 bus_space_handle_t sc_funch;
107 bus_size_t sc_funcsize;
108
109 bus_size_t sc_mapsize; /* size of mapped bus space region */
110 };
111
112 struct cfattach xl_cardbus_ca = {
113 sizeof(struct xl_cardbus_softc), xl_cardbus_match,
114 xl_cardbus_attach, xl_cardbus_detach
115 };
116
117 const struct xl_cardbus_product {
118 u_int32_t ecp_prodid; /* CardBus product ID */
119 int ecp_flags; /* initial softc flags */
120 pcireg_t ecp_csr; /* PCI CSR flags */
121 int ecp_cardtype; /* card type */
122 const char *ecp_name; /* device name */
123 } xl_cardbus_products[] = {
124 { PCI_PRODUCT_3COM_3C575,
125 XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM,
126 CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MASTER_ENABLE,
127 XL_CARDBUS_BOOMERANG,
128 "3c575-TX Ethernet" },
129
130 { PCI_PRODUCT_3COM_3CCFE575BT,
131 XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM |
132 XL_FLAG_INVERT_LED_PWR,
133 CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MEM_ENABLE |
134 CARDBUS_COMMAND_MASTER_ENABLE,
135 XL_CARDBUS_CYCLONE,
136 "3c575B-TX Ethernet" },
137
138 { PCI_PRODUCT_3COM_3CCFE575CT,
139 XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM |
140 XL_FLAG_INVERT_MII_PWR,
141 CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MEM_ENABLE |
142 CARDBUS_COMMAND_MASTER_ENABLE,
143 XL_CARDBUS_CYCLONE,
144 "3c575C-TX Ethernet" },
145
146 { PCI_PRODUCT_3COM_3CCFEM656,
147 XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM |
148 XL_FLAG_INVERT_LED_PWR | XL_FLAG_INVERT_MII_PWR,
149 CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MEM_ENABLE |
150 CARDBUS_COMMAND_MASTER_ENABLE,
151 XL_CARDBUS_CYCLONE,
152 "3c656-TX Ethernet" },
153
154 { PCI_PRODUCT_3COM_3CCFEM656B,
155 XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM |
156 XL_FLAG_INVERT_LED_PWR | XL_FLAG_INVERT_MII_PWR,
157 CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MEM_ENABLE |
158 CARDBUS_COMMAND_MASTER_ENABLE,
159 XL_CARDBUS_CYCLONE,
160 "3c656B-TX Ethernet" },
161
162 { PCI_PRODUCT_3COM_3CCFEM656C,
163 XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM |
164 XL_FLAG_INVERT_MII_PWR,
165 CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MEM_ENABLE |
166 CARDBUS_COMMAND_MASTER_ENABLE,
167 XL_CARDBUS_CYCLONE,
168 "3c656C-TX Ethernet" },
169
170 { 0,
171 0,
172 0,
173 0,
174 NULL },
175 };
176
177 const struct xl_cardbus_product *xl_cardbus_lookup(const struct cardbus_attach_args *);
178
179 const struct xl_cardbus_product *
xl_cardbus_lookup(ca)180 xl_cardbus_lookup(ca)
181 const struct cardbus_attach_args *ca;
182 {
183 const struct xl_cardbus_product *ecp;
184
185 if (CARDBUS_VENDOR(ca->ca_id) != PCI_VENDOR_3COM)
186 return (NULL);
187
188 for (ecp = xl_cardbus_products; ecp->ecp_name != NULL; ecp++)
189 if (CARDBUS_PRODUCT(ca->ca_id) == ecp->ecp_prodid)
190 return (ecp);
191 return (NULL);
192 }
193
194 int
xl_cardbus_match(parent,match,aux)195 xl_cardbus_match(parent, match, aux)
196 struct device *parent;
197 void *match;
198 void *aux;
199 {
200 struct cardbus_attach_args *ca = aux;
201
202 if (xl_cardbus_lookup(ca) != NULL)
203 return (1);
204
205 return (0);
206 }
207
208 void
xl_cardbus_attach(parent,self,aux)209 xl_cardbus_attach(parent, self, aux)
210 struct device *parent;
211 struct device *self;
212 void *aux;
213 {
214 struct xl_cardbus_softc *csc = (void *)self;
215 struct xl_softc *sc = &csc->sc_softc;
216 struct cardbus_attach_args *ca = aux;
217 cardbus_devfunc_t ct = ca->ca_ct;
218 cardbus_chipset_tag_t cc = ct->ct_cc;
219 cardbus_function_tag_t cf = ct->ct_cf;
220 cardbusreg_t iob, command, bhlc;
221 const struct xl_cardbus_product *ecp;
222 bus_space_handle_t ioh;
223 bus_addr_t adr;
224
225 if (Cardbus_mapreg_map(ct, CARDBUS_BASE0_REG, CARDBUS_MAPREG_TYPE_IO, 0,
226 &sc->xl_btag, &ioh, &adr, &csc->sc_mapsize)) {
227 printf(": can't map i/o space\n");
228 return;
229 }
230
231 ecp = xl_cardbus_lookup(ca);
232 if (ecp == NULL) {
233 printf("\n");
234 panic("xl_cardbus_attach: impossible");
235 }
236
237 printf(": 3Com %s", ecp->ecp_name);
238
239 sc->xl_flags = ecp->ecp_flags;
240 sc->sc_dmat = ca->ca_dmat;
241
242 iob = adr;
243 sc->xl_bhandle = ioh;
244
245 #if rbus
246 #else
247 (ct->ct_cf->cardbus_io_open)(cc, 0, iob, iob + 0x40);
248 #endif
249 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_IO_ENABLE);
250
251 command = cardbus_conf_read(cc, cf, ca->ca_tag,
252 CARDBUS_COMMAND_STATUS_REG);
253 command |= ecp->ecp_csr;
254 csc->sc_cardtype = ecp->ecp_cardtype;
255
256 if (csc->sc_cardtype == XL_CARDBUS_CYCLONE) {
257 /* map CardBus function status window */
258 if (Cardbus_mapreg_map(ct, CARDBUS_BASE2_REG,
259 CARDBUS_MAPREG_TYPE_MEM, 0, &csc->sc_funct,
260 &csc->sc_funch, 0, &csc->sc_funcsize)) {
261 printf("%s: unable to map function status window\n",
262 self->dv_xname);
263 return;
264 }
265
266 /*
267 * Make sure CardBus bridge can access memory space. Usually
268 * memory access is enabled by BIOS, but some BIOSes do not
269 * enable it.
270 */
271 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
272 }
273
274 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
275 cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG,
276 command);
277
278 /*
279 * set latency timer
280 */
281 bhlc = cardbus_conf_read(cc, cf, ca->ca_tag, CARDBUS_BHLC_REG);
282 if (CARDBUS_LATTIMER(bhlc) < 0x20) {
283 /* at least the value of latency timer should 0x20. */
284 DPRINTF(("if_xl_cardbus: lattimer 0x%x -> 0x20\n",
285 CARDBUS_LATTIMER(bhlc)));
286 bhlc &= ~(CARDBUS_LATTIMER_MASK << CARDBUS_LATTIMER_SHIFT);
287 bhlc |= (0x20 << CARDBUS_LATTIMER_SHIFT);
288 cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_BHLC_REG, bhlc);
289 }
290
291 csc->sc_ct = ca->ca_ct;
292 csc->sc_intrline = ca->ca_intrline;
293
294 /* Map and establish the interrupt. */
295
296 sc->xl_intrhand = cardbus_intr_establish(cc, cf, ca->ca_intrline,
297 IPL_NET, xl_intr, csc);
298
299 if (sc->xl_intrhand == NULL) {
300 printf(": couldn't establish interrupt");
301 printf(" at %d", ca->ca_intrline);
302 printf("\n");
303 return;
304 }
305 printf(": irq %d", ca->ca_intrline);
306
307 sc->intr_ack = xl_cardbus_intr_ack;
308
309 xl_attach(sc);
310
311 if (csc->sc_cardtype == XL_CARDBUS_CYCLONE)
312 bus_space_write_4(csc->sc_funct, csc->sc_funch,
313 XL_CARDBUS_INTR, XL_CARDBUS_INTR_ACK);
314
315 }
316
317 int
xl_cardbus_detach(self,arg)318 xl_cardbus_detach(self, arg)
319 struct device *self;
320 int arg;
321 {
322 struct xl_cardbus_softc *csc = (void *)self;
323 struct xl_softc *sc = &csc->sc_softc;
324 struct cardbus_devfunc *ct = csc->sc_ct;
325 int rv = 0;
326
327 #if defined(DIAGNOSTIC)
328 if (ct == NULL) {
329 panic("%s: data structure lacks", sc->sc_dev.dv_xname);
330 }
331 #endif
332
333 rv = xl_detach(sc);
334 if (rv == 0) {
335 /*
336 * Unhook the interrupt handler.
337 */
338 cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf,
339 sc->xl_intrhand);
340
341 if (csc->sc_cardtype == XL_CARDBUS_CYCLONE) {
342 Cardbus_mapreg_unmap(ct, CARDBUS_BASE2_REG,
343 csc->sc_funct, csc->sc_funch, csc->sc_funcsize);
344 }
345
346 Cardbus_mapreg_unmap(ct, CARDBUS_BASE0_REG, sc->xl_btag,
347 sc->xl_bhandle, csc->sc_mapsize);
348 }
349 return (rv);
350 }
351
352 void
xl_cardbus_intr_ack(sc)353 xl_cardbus_intr_ack(sc)
354 struct xl_softc *sc;
355 {
356 struct xl_cardbus_softc *csc = (struct xl_cardbus_softc *)sc;
357
358 bus_space_write_4(csc->sc_funct, csc->sc_funch, XL_CARDBUS_INTR,
359 XL_CARDBUS_INTR_ACK);
360 }
361