FreeBSD/Linux Kernel Cross Reference
sys/dev/ex/if_ex_isa.c
1 /*-
2 * Copyright (c) 2000 Matthew N. Dodd
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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 */
27
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD: releng/5.2/sys/dev/ex/if_ex_isa.c 119418 2003-08-24 17:55:58Z obrien $");
30
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
34 #include <sys/socket.h>
35
36 #include <sys/module.h>
37 #include <sys/bus.h>
38
39 #include <machine/bus.h>
40 #include <machine/resource.h>
41 #include <sys/rman.h>
42
43 #include <net/if.h>
44 #include <net/if_arp.h>
45 #include <net/if_media.h>
46
47
48 #include <isa/isavar.h>
49 #include <isa/pnpvar.h>
50
51 #include <dev/ex/if_exreg.h>
52 #include <dev/ex/if_exvar.h>
53
54 /* Bus Front End Functions */
55 static void ex_isa_identify (driver_t *, device_t);
56 static int ex_isa_probe (device_t);
57 static int ex_isa_attach (device_t);
58
59 #if 0
60 static void ex_pnp_wakeup (void *);
61
62 SYSINIT(ex_pnpwakeup, SI_SUB_CPU, SI_ORDER_ANY, ex_pnp_wakeup, NULL);
63 #endif
64
65 static device_method_t ex_isa_methods[] = {
66 /* Device interface */
67 DEVMETHOD(device_identify, ex_isa_identify),
68 DEVMETHOD(device_probe, ex_isa_probe),
69 DEVMETHOD(device_attach, ex_isa_attach),
70 DEVMETHOD(device_detach, ex_detach),
71
72 { 0, 0 }
73 };
74
75 static driver_t ex_isa_driver = {
76 "ex",
77 ex_isa_methods,
78 sizeof(struct ex_softc),
79 };
80
81 DRIVER_MODULE(ex, isa, ex_isa_driver, ex_devclass, 0, 0);
82
83 static struct isa_pnp_id ex_ids[] = {
84 { 0x3110d425, NULL }, /* INT1031 */
85 { 0x3010d425, NULL }, /* INT1030 */
86 { 0, NULL },
87 };
88
89 #if 0
90 #define EX_PNP_WAKE 0x279
91
92 static u_int8_t ex_pnp_wake_seq[] =
93 { 0x6A, 0xB5, 0xDA, 0xED, 0xF6, 0xFB, 0x7D, 0xBE,
94 0xDF, 0x6F, 0x37, 0x1B, 0x0D, 0x86, 0xC3, 0x61,
95 0xB0, 0x58, 0x2C, 0x16, 0x8B, 0x45, 0xA2, 0xD1,
96 0xE8, 0x74, 0x3A, 0x9D, 0xCE, 0xE7, 0x73, 0x43 };
97
98 static void
99 ex_pnp_wakeup (void * dummy)
100 {
101 int tmp;
102
103 if (bootverbose)
104 printf("ex_pnp_wakeup()\n");
105
106 outb(EX_PNP_WAKE, 0);
107 outb(EX_PNP_WAKE, 0);
108 for (tmp = 0; tmp < 32; tmp++) {
109 outb(EX_PNP_WAKE, ex_pnp_wake_seq[tmp]);
110 }
111 }
112 #endif
113
114 /*
115 * Non-destructive identify.
116 */
117 static void
118 ex_isa_identify (driver_t *driver, device_t parent)
119 {
120 device_t child;
121 u_int32_t ioport;
122 u_char enaddr[6];
123 u_int irq;
124 int tmp;
125 const char * desc;
126
127 if (bootverbose)
128 printf("ex_isa_identify()\n");
129
130 for (ioport = 0x200; ioport < 0x3a0; ioport += 0x10) {
131
132 /* No board found at address */
133 if (!look_for_card(ioport)) {
134 continue;
135 }
136
137 if (bootverbose)
138 printf("ex: Found card at 0x%03x!\n", ioport);
139
140 /* Board in PnP mode */
141 if (eeprom_read(ioport, EE_W0) & EE_W0_PNP) {
142 /* Reset the card. */
143 outb(ioport + CMD_REG, Reset_CMD);
144 DELAY(500);
145 if (bootverbose)
146 printf("ex: card at 0x%03x in PnP mode!\n", ioport);
147 continue;
148 }
149
150 bzero(enaddr, sizeof(enaddr));
151
152 /* Reset the card. */
153 outb(ioport + CMD_REG, Reset_CMD);
154 DELAY(400);
155
156 ex_get_address(ioport, enaddr);
157 tmp = eeprom_read(ioport, EE_W1) & EE_W1_INT_SEL;
158
159 /* work out which set of irq <-> internal tables to use */
160 if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
161 irq = plus_ee2irqmap[tmp];
162 desc = "Intel Pro/10+";
163 } else {
164 irq = ee2irqmap[tmp];
165 desc = "Intel Pro/10";
166 }
167
168 child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "ex", -1);
169 device_set_desc_copy(child, desc);
170 device_set_driver(child, driver);
171 bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1);
172 bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, EX_IOSIZE);
173
174 if (bootverbose)
175 printf("ex: Adding board at 0x%03x, irq %d\n", ioport, irq);
176 }
177
178 return;
179 }
180
181 static int
182 ex_isa_probe(device_t dev)
183 {
184 u_int iobase;
185 u_int irq;
186 char * irq2ee;
187 u_char * ee2irq;
188 u_char enaddr[6];
189 int tmp;
190 int error;
191
192 /* Check isapnp ids */
193 error = ISA_PNP_PROBE(device_get_parent(dev), dev, ex_ids);
194
195 /* If the card had a PnP ID that didn't match any we know about */
196 if (error == ENXIO) {
197 return(error);
198 }
199
200 /* If we had some other problem. */
201 if (!(error == 0 || error == ENOENT)) {
202 return(error);
203 }
204
205 iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
206 if (!iobase) {
207 printf("ex: no iobase?\n");
208 return(ENXIO);
209 }
210
211 if (!look_for_card(iobase)) {
212 printf("ex: no card found at 0x%03x\n", iobase);
213 return(ENXIO);
214 }
215
216 if (bootverbose)
217 printf("ex: ex_isa_probe() found card at 0x%03x\n", iobase);
218
219 /*
220 * Reset the card.
221 */
222 outb(iobase + CMD_REG, Reset_CMD);
223 DELAY(800);
224
225 ex_get_address(iobase, enaddr);
226
227 /* work out which set of irq <-> internal tables to use */
228 if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
229 irq2ee = plus_irq2eemap;
230 ee2irq = plus_ee2irqmap;
231 } else {
232 irq2ee = irq2eemap;
233 ee2irq = ee2irqmap;
234 }
235
236 tmp = eeprom_read(iobase, EE_W1) & EE_W1_INT_SEL;
237 irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
238
239 if (irq > 0) {
240 /* This will happen if board is in PnP mode. */
241 if (ee2irq[tmp] != irq) {
242 printf("ex: WARNING: board's EEPROM is configured"
243 " for IRQ %d, using %d\n",
244 ee2irq[tmp], irq);
245 }
246 } else {
247 irq = ee2irq[tmp];
248 bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
249 }
250
251 if (irq == 0) {
252 printf("ex: invalid IRQ.\n");
253 return(ENXIO);
254 }
255
256 return(0);
257 }
258
259 static int
260 ex_isa_attach(device_t dev)
261 {
262 struct ex_softc * sc = device_get_softc(dev);
263 int error = 0;
264 u_int16_t temp;
265
266 sc->dev = dev;
267 sc->ioport_rid = 0;
268 sc->irq_rid = 0;
269
270 if ((error = ex_alloc_resources(dev)) != 0) {
271 device_printf(dev, "ex_alloc_resources() failed!\n");
272 goto bad;
273 }
274
275 /*
276 * Fill in several fields of the softc structure:
277 * - I/O base address.
278 * - Hardware Ethernet address.
279 * - IRQ number (if not supplied in config file, read it from EEPROM).
280 * - Connector type.
281 */
282 sc->iobase = rman_get_start(sc->ioport);
283 sc->irq_no = rman_get_start(sc->irq);
284
285 ex_get_address(sc->iobase, sc->arpcom.ac_enaddr);
286
287 temp = eeprom_read(sc->iobase, EE_W0);
288 device_printf(sc->dev, "%s config, %s bus, ",
289 (temp & EE_W0_PNP) ? "PnP" : "Manual",
290 (temp & EE_W0_BUS16) ? "16-bit" : "8-bit");
291
292 temp = eeprom_read(sc->iobase, EE_W6);
293 printf("board id 0x%03x, stepping 0x%01x\n",
294 (temp & EE_W6_BOARD_MASK) >> EE_W6_BOARD_SHIFT,
295 temp & EE_W6_STEP_MASK);
296
297 if ((error = ex_attach(dev)) != 0) {
298 device_printf(dev, "ex_attach() failed!\n");
299 goto bad;
300 }
301
302 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
303 ex_intr, (void *)sc, &sc->ih);
304 if (error) {
305 device_printf(dev, "bus_setup_intr() failed!\n");
306 goto bad;
307 }
308
309 return(0);
310 bad:
311 ex_release_resources(dev);
312 return (error);
313 }
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