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