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: releng/5.1/sys/dev/ex/if_ex_isa.c 112801 2003-03-29 15:38:53Z mdodd $
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 (driver_t *, device_t);
54 static int ex_isa_probe (device_t);
55 static int ex_isa_attach (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_isa_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 DEVMETHOD(device_detach, ex_detach),
69
70 { 0, 0 }
71 };
72
73 static driver_t ex_isa_driver = {
74 "ex",
75 ex_isa_methods,
76 sizeof(struct ex_softc),
77 };
78
79 DRIVER_MODULE(ex, isa, ex_isa_driver, ex_devclass, 0, 0);
80
81 static struct isa_pnp_id ex_ids[] = {
82 { 0x3110d425, NULL }, /* INT1031 */
83 { 0x3010d425, NULL }, /* INT1030 */
84 { 0, NULL },
85 };
86
87 #if 0
88 #define EX_PNP_WAKE 0x279
89
90 static u_int8_t ex_pnp_wake_seq[] =
91 { 0x6A, 0xB5, 0xDA, 0xED, 0xF6, 0xFB, 0x7D, 0xBE,
92 0xDF, 0x6F, 0x37, 0x1B, 0x0D, 0x86, 0xC3, 0x61,
93 0xB0, 0x58, 0x2C, 0x16, 0x8B, 0x45, 0xA2, 0xD1,
94 0xE8, 0x74, 0x3A, 0x9D, 0xCE, 0xE7, 0x73, 0x43 };
95
96 static void
97 ex_pnp_wakeup (void * dummy)
98 {
99 int tmp;
100
101 if (bootverbose)
102 printf("ex_pnp_wakeup()\n");
103
104 outb(EX_PNP_WAKE, 0);
105 outb(EX_PNP_WAKE, 0);
106 for (tmp = 0; tmp < 32; tmp++) {
107 outb(EX_PNP_WAKE, ex_pnp_wake_seq[tmp]);
108 }
109 }
110 #endif
111
112 /*
113 * Non-destructive identify.
114 */
115 static void
116 ex_isa_identify (driver_t *driver, device_t parent)
117 {
118 device_t child;
119 u_int32_t ioport;
120 u_char enaddr[6];
121 u_int irq;
122 int tmp;
123 const char * desc;
124
125 if (bootverbose)
126 printf("ex_isa_identify()\n");
127
128 for (ioport = 0x200; ioport < 0x3a0; ioport += 0x10) {
129
130 /* No board found at address */
131 if (!look_for_card(ioport)) {
132 continue;
133 }
134
135 if (bootverbose)
136 printf("ex: Found card at 0x%03x!\n", ioport);
137
138 /* Board in PnP mode */
139 if (eeprom_read(ioport, EE_W0) & EE_W0_PNP) {
140 /* Reset the card. */
141 outb(ioport + CMD_REG, Reset_CMD);
142 DELAY(500);
143 if (bootverbose)
144 printf("ex: card at 0x%03x in PnP mode!\n", ioport);
145 continue;
146 }
147
148 bzero(enaddr, sizeof(enaddr));
149
150 /* Reset the card. */
151 outb(ioport + CMD_REG, Reset_CMD);
152 DELAY(400);
153
154 ex_get_address(ioport, enaddr);
155 tmp = eeprom_read(ioport, EE_W1) & EE_W1_INT_SEL;
156
157 /* work out which set of irq <-> internal tables to use */
158 if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
159 irq = plus_ee2irqmap[tmp];
160 desc = "Intel Pro/10+";
161 } else {
162 irq = ee2irqmap[tmp];
163 desc = "Intel Pro/10";
164 }
165
166 child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "ex", -1);
167 device_set_desc_copy(child, desc);
168 device_set_driver(child, driver);
169 bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1);
170 bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, EX_IOSIZE);
171
172 if (bootverbose)
173 printf("ex: Adding board at 0x%03x, irq %d\n", ioport, irq);
174 }
175
176 return;
177 }
178
179 static int
180 ex_isa_probe(device_t dev)
181 {
182 u_int iobase;
183 u_int irq;
184 char * irq2ee;
185 u_char * ee2irq;
186 u_char enaddr[6];
187 int tmp;
188 int error;
189
190 /* Check isapnp ids */
191 error = ISA_PNP_PROBE(device_get_parent(dev), dev, ex_ids);
192
193 /* If the card had a PnP ID that didn't match any we know about */
194 if (error == ENXIO) {
195 return(error);
196 }
197
198 /* If we had some other problem. */
199 if (!(error == 0 || error == ENOENT)) {
200 return(error);
201 }
202
203 iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
204 if (!iobase) {
205 printf("ex: no iobase?\n");
206 return(ENXIO);
207 }
208
209 if (!look_for_card(iobase)) {
210 printf("ex: no card found at 0x%03x\n", iobase);
211 return(ENXIO);
212 }
213
214 if (bootverbose)
215 printf("ex: ex_isa_probe() found card at 0x%03x\n", iobase);
216
217 /*
218 * Reset the card.
219 */
220 outb(iobase + CMD_REG, Reset_CMD);
221 DELAY(800);
222
223 ex_get_address(iobase, enaddr);
224
225 /* work out which set of irq <-> internal tables to use */
226 if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
227 irq2ee = plus_irq2eemap;
228 ee2irq = plus_ee2irqmap;
229 } else {
230 irq2ee = irq2eemap;
231 ee2irq = ee2irqmap;
232 }
233
234 tmp = eeprom_read(iobase, EE_W1) & EE_W1_INT_SEL;
235 irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
236
237 if (irq > 0) {
238 /* This will happen if board is in PnP mode. */
239 if (ee2irq[tmp] != irq) {
240 printf("ex: WARNING: board's EEPROM is configured"
241 " for IRQ %d, using %d\n",
242 ee2irq[tmp], irq);
243 }
244 } else {
245 irq = ee2irq[tmp];
246 bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
247 }
248
249 if (irq == 0) {
250 printf("ex: invalid IRQ.\n");
251 return(ENXIO);
252 }
253
254 return(0);
255 }
256
257 static int
258 ex_isa_attach(device_t dev)
259 {
260 struct ex_softc * sc = device_get_softc(dev);
261 int error = 0;
262 u_int16_t temp;
263
264 sc->dev = dev;
265 sc->ioport_rid = 0;
266 sc->irq_rid = 0;
267
268 if ((error = ex_alloc_resources(dev)) != 0) {
269 device_printf(dev, "ex_alloc_resources() failed!\n");
270 goto bad;
271 }
272
273 /*
274 * Fill in several fields of the softc structure:
275 * - I/O base address.
276 * - Hardware Ethernet address.
277 * - IRQ number (if not supplied in config file, read it from EEPROM).
278 * - Connector type.
279 */
280 sc->iobase = rman_get_start(sc->ioport);
281 sc->irq_no = rman_get_start(sc->irq);
282
283 ex_get_address(sc->iobase, sc->arpcom.ac_enaddr);
284
285 temp = eeprom_read(sc->iobase, EE_W0);
286 device_printf(sc->dev, "%s config, %s bus, ",
287 (temp & EE_W0_PNP) ? "PnP" : "Manual",
288 (temp & EE_W0_BUS16) ? "16-bit" : "8-bit");
289
290 temp = eeprom_read(sc->iobase, EE_W6);
291 printf("board id 0x%03x, stepping 0x%01x\n",
292 (temp & EE_W6_BOARD_MASK) >> EE_W6_BOARD_SHIFT,
293 temp & EE_W6_STEP_MASK);
294
295 if ((error = ex_attach(dev)) != 0) {
296 device_printf(dev, "ex_attach() failed!\n");
297 goto bad;
298 }
299
300 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
301 ex_intr, (void *)sc, &sc->ih);
302 if (error) {
303 device_printf(dev, "bus_setup_intr() failed!\n");
304 goto bad;
305 }
306
307 return(0);
308 bad:
309 ex_release_resources(dev);
310 return (error);
311 }
Cache object: 2117dccada9d0f7ea17de35988726e0b
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