2 * Copyright (c) 1995, David Greenman
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 unmodified, this list of conditions, and the following
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
33 * National Semiconductor DP8393X SONIC Driver
35 * This is the bus independent attachment on FreeBSD 4.x
36 * written by Motomichi Matsuzaki <mzaki@e-mail.ne.jp>
39 #include <sys/param.h>
40 #include <sys/socket.h>
43 #include <machine/bus.h>
45 #include <machine/resource.h>
47 #include <net/ethernet.h>
49 #include <net/if_arp.h>
50 #include <net/if_media.h>
52 #include <dev/snc/dp83932reg.h>
53 #include <dev/snc/dp83932var.h>
54 #include <dev/snc/dp83932subr.h>
55 #include <dev/snc/if_sncreg.h>
56 #include <dev/snc/if_sncvar.h>
58 /* devclass for "snc" */
59 devclass_t snc_devclass;
61 /****************************************************************
62 Resource management functions
63 ****************************************************************/
66 * Allocate a port resource with the given resource id.
69 snc_alloc_port(dev, rid)
73 struct snc_softc *sc = device_get_softc(dev);
76 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
77 0ul, ~0ul, SNEC_NREGS, RF_ACTIVE);
81 sc->sc_iot = rman_get_bustag(res);
82 sc->sc_ioh = rman_get_bushandle(res);
85 device_printf(dev, "can't assign port\n");
91 * Allocate a memory resource with the given resource id.
94 snc_alloc_memory(dev, rid)
98 struct snc_softc *sc = device_get_softc(dev);
101 res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid,
102 0ul, ~0ul, SNEC_NMEMS, RF_ACTIVE);
106 sc->sc_memt = rman_get_bustag(res);
107 sc->sc_memh = rman_get_bushandle(res);
110 device_printf(dev, "can't assign memory\n");
116 * Allocate an irq resource with the given resource id.
119 snc_alloc_irq(dev, rid, flags)
124 struct snc_softc *sc = device_get_softc(dev);
125 struct resource *res;
127 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE | flags);
133 device_printf(dev, "can't assign irq\n");
139 * Release all resources
142 snc_release_resources(dev)
145 struct snc_softc *sc = device_get_softc(dev);
148 bus_release_resource(dev, SYS_RES_IOPORT,
149 sc->ioport_rid, sc->ioport);
153 bus_release_resource(dev, SYS_RES_MEMORY,
154 sc->iomem_rid, sc->iomem);
158 bus_release_resource(dev, SYS_RES_IRQ,
159 sc->irq_rid, sc->irq);
168 /****************************************************************
170 ****************************************************************/
177 struct snc_softc *sc = device_get_softc(dev);
179 return snc_nec16_detectsubr(sc->sc_iot, sc->sc_ioh,
180 sc->sc_memt, sc->sc_memh,
181 rman_get_start(sc->irq),
182 rman_get_start(sc->iomem),
186 /****************************************************************
188 ****************************************************************/
194 struct snc_softc *sc = device_get_softc(dev);
195 u_int8_t myea[ETHER_ADDR_LEN];
198 if (snc_nec16_register_irq(sc, rman_get_start(sc->irq)) == 0 ||
199 snc_nec16_register_mem(sc, rman_get_start(sc->iomem)) == 0) {
200 snc_release_resources(dev);
204 snc_nec16_get_enaddr(sc->sc_iot, sc->sc_ioh, myea);
205 device_printf(dev, "%s Ethernet\n", snc_nec16_detect_type(myea));
209 sc->sncr_dcr = DCR_SYNC | DCR_WAIT0 |
210 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT28;
211 sc->sncr_dcr2 = 0; /* XXX */
212 sc->bitmode = 0; /* 16 bit card */
214 sc->sc_nic_put = snc_nec16_nic_put;
215 sc->sc_nic_get = snc_nec16_nic_get;
216 sc->sc_writetodesc = snc_nec16_writetodesc;
217 sc->sc_readfromdesc = snc_nec16_readfromdesc;
218 sc->sc_copytobuf = snc_nec16_copytobuf;
219 sc->sc_copyfrombuf = snc_nec16_copyfrombuf;
220 sc->sc_zerobuf = snc_nec16_zerobuf;
222 /* sncsetup returns 1 if something fails */
223 if (sncsetup(sc, myea)) {
224 snc_release_resources(dev);
228 mtx_init(&sc->sc_lock, device_get_nameunit(dev), MTX_NETWORK_LOCK,
230 callout_init_mtx(&sc->sc_timer, &sc->sc_lock, 0);
231 error = sncconfig(sc, NULL, 0, 0, myea);
233 snc_release_resources(dev);
234 mtx_destroy(&sc->sc_lock);
238 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE,
239 NULL, sncintr, sc, &sc->irq_handle);
241 printf("snc_isa_attach: bus_setup_intr() failed\n");
242 ether_ifdetach(sc->sc_ifp);
243 snc_release_resources(dev);
244 mtx_destroy(&sc->sc_lock);
251 /****************************************************************
253 ****************************************************************/
259 struct snc_softc *sc = device_get_softc(dev);