2 * Copyright (c) 2000 Matthew N. Dodd
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
26 * $FreeBSD: src/sys/dev/ex/if_ex_isa.c,v 1.3.2.1 2001/03/05 05:33:20 imp Exp $
27 * $DragonFly: src/sys/dev/netif/ex/if_ex_isa.c,v 1.17 2008/08/22 08:33:59 swildner Exp $
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/interrupt.h>
34 #include <sys/socket.h>
35 #include <sys/module.h>
38 #include <sys/serialize.h>
40 #include <machine/clock.h>
43 #include <net/if_arp.h>
44 #include <net/if_media.h>
46 #include <bus/isa/isavar.h>
47 #include <bus/isa/pnpvar.h>
52 /* Bus Front End Functions */
53 static int ex_isa_identify (driver_t *, device_t);
54 static int ex_isa_probe (device_t);
55 static int ex_isa_attach (device_t);
58 * We need an identify function to 'probe' the ISA bus.
60 static device_method_t ex_methods[] = {
61 /* Device interface */
62 DEVMETHOD(device_identify, ex_isa_identify),
63 DEVMETHOD(device_probe, ex_isa_probe),
64 DEVMETHOD(device_attach, ex_isa_attach),
69 static driver_t ex_driver = {
72 sizeof(struct ex_softc),
75 devclass_t ex_devclass;
77 DRIVER_MODULE(if_ex, isa, ex_driver, ex_devclass, 0, 0);
79 static struct isa_pnp_id ex_ids[] = {
80 { 0x3110d425, NULL }, /* INT1031 */
81 { 0x3010d425, NULL }, /* INT1030 */
86 * Non-destructive identify.
89 ex_isa_identify (driver_t *driver, device_t parent)
100 * Rescanning ISA I/O ports is not supported.
102 if (device_get_state(parent) == DS_ATTACHED)
106 kprintf("ex_isa_identify()\n");
109 for (ioport = 0x200; ioport < 0x3a0; ioport += 0x10) {
111 /* No board found at address */
112 if (!look_for_card(ioport)) {
117 kprintf("ex: Found card at 0x%03x!\n", ioport);
119 /* Board in PnP mode */
120 if (eeprom_read(ioport, EE_W0) & EE_W0_PNP) {
121 /* Reset the card. */
122 outb(ioport + CMD_REG, Reset_CMD);
125 kprintf("ex: card at 0x%03x in PnP mode!\n", ioport);
129 bzero(enaddr, sizeof(enaddr));
131 /* Reset the card. */
132 outb(ioport + CMD_REG, Reset_CMD);
135 ex_get_address(ioport, enaddr);
136 tmp = eeprom_read(ioport, EE_W1) & EE_W1_INT_SEL;
138 /* work out which set of irq <-> internal tables to use */
139 if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
140 irq = plus_ee2irqmap[tmp];
141 desc = "Intel Pro/10+";
143 irq = ee2irqmap[tmp];
144 desc = "Intel Pro/10";
147 child = BUS_ADD_CHILD(parent, parent,
148 ISA_ORDER_SPECULATIVE, "ex", -1);
149 device_set_desc_copy(child, desc);
150 device_set_driver(child, driver);
151 bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1);
152 bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, EX_IOSIZE);
156 kprintf("ex: Adding board at 0x%03x, irq %d\n", ioport, irq);
158 return (count ? 0 : ENXIO);
162 ex_isa_probe(device_t dev)
171 /* Check isapnp ids */
172 error = ISA_PNP_PROBE(device_get_parent(dev), dev, ex_ids);
174 /* If the card had a PnP ID that didn't match any we know about */
175 if (error == ENXIO) {
179 /* If we had some other problem. */
180 if (!(error == 0 || error == ENOENT)) {
184 iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
186 kprintf("ex: no iobase?\n");
190 if (!look_for_card(iobase)) {
191 kprintf("ex: no card found at 0x%03x\n", iobase);
196 kprintf("ex: ex_isa_probe() found card at 0x%03x\n", iobase);
201 outb(iobase + CMD_REG, Reset_CMD);
204 ex_get_address(iobase, enaddr);
206 /* work out which set of irq <-> internal tables to use */
207 if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS)
208 ee2irq = plus_ee2irqmap;
212 tmp = eeprom_read(iobase, EE_W1) & EE_W1_INT_SEL;
213 irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
216 /* This will happen if board is in PnP mode. */
217 if (ee2irq[tmp] != irq) {
218 kprintf("ex: WARNING: board's EEPROM is configured"
219 " for IRQ %d, using %d\n",
224 bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
228 kprintf("ex: invalid IRQ.\n");
236 ex_isa_attach(device_t dev)
238 struct ex_softc * sc = device_get_softc(dev);
239 struct ifnet * ifp = &sc->arpcom.ac_if;
247 if ((error = ex_alloc_resources(dev)) != 0) {
248 device_printf(dev, "ex_alloc_resources() failed!\n");
253 * Fill in several fields of the softc structure:
254 * - I/O base address.
255 * - Hardware Ethernet address.
256 * - IRQ number (if not supplied in config file, read it from EEPROM).
259 sc->iobase = rman_get_start(sc->ioport);
260 sc->irq_no = rman_get_start(sc->irq);
262 ex_get_address(sc->iobase, sc->arpcom.ac_enaddr);
264 temp = eeprom_read(sc->iobase, EE_W0);
265 device_printf(sc->dev, "%s config, %s bus, ",
266 (temp & EE_W0_PNP) ? "PnP" : "Manual",
267 (temp & EE_W0_BUS16) ? "16-bit" : "8-bit");
269 temp = eeprom_read(sc->iobase, EE_W6);
270 kprintf("board id 0x%03x, stepping 0x%01x\n",
271 (temp & EE_W6_BOARD_MASK) >> EE_W6_BOARD_SHIFT,
272 temp & EE_W6_STEP_MASK);
274 if ((error = ex_attach(dev)) != 0) {
275 device_printf(dev, "ex_attach() failed!\n");
279 error = bus_setup_intr(dev, sc->irq, INTR_MPSAFE,
280 ex_intr, (void *)sc, &sc->ih,
283 device_printf(dev, "bus_setup_intr() failed!\n");
287 ifp->if_cpuid = ithread_cpuid(rman_get_start(sc->irq));
288 KKASSERT(ifp->if_cpuid >= 0 && ifp->if_cpuid < ncpus);
292 ex_release_resources(dev);