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
27 * $FreeBSD: src/sys/dev/snc/if_snc.c,v 1.2.2.1 2000/10/21 03:30:03 nyan Exp $
28 * $DragonFly: src/sys/dev/netif/snc/Attic/if_snc.c,v 1.2 2003/06/17 04:28:29 dillon Exp $
32 * National Semiconductor DP8393X SONIC Driver
34 * This is the bus independent attachment on FreeBSD 4.x
35 * written by Motomichi Matsuzaki <mzaki@e-mail.ne.jp>
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/sockio.h>
42 #include <sys/socket.h>
43 #include <sys/syslog.h>
45 #include <sys/module.h>
47 #include <machine/bus.h>
49 #include <machine/resource.h>
51 #include <net/ethernet.h>
53 #include <net/if_arp.h>
54 #include <net/if_media.h>
55 #include <net/if_dl.h>
56 #include <net/if_mib.h>
61 #include <net/bridge.h>
64 #include <dev/snc/dp83932reg.h>
65 #include <dev/snc/dp83932var.h>
66 #include <dev/snc/dp83932subr.h>
67 #include <dev/snc/if_sncreg.h>
68 #include <dev/snc/if_sncvar.h>
70 /* devclass for "snc" */
71 devclass_t snc_devclass;
73 /****************************************************************
74 Resource management functions
75 ****************************************************************/
78 * Allocate a port resource with the given resource id.
81 snc_alloc_port(dev, rid)
85 struct snc_softc *sc = device_get_softc(dev);
88 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
89 0ul, ~0ul, SNEC_NREGS, RF_ACTIVE);
93 sc->sc_iot = rman_get_bustag(res);
94 sc->sc_ioh = rman_get_bushandle(res);
97 device_printf(dev, "can't assign port\n");
103 * Allocate a memory resource with the given resource id.
106 snc_alloc_memory(dev, rid)
110 struct snc_softc *sc = device_get_softc(dev);
111 struct resource *res;
113 res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid,
114 0ul, ~0ul, SNEC_NMEMS, RF_ACTIVE);
118 sc->sc_memt = rman_get_bustag(res);
119 sc->sc_memh = rman_get_bushandle(res);
122 device_printf(dev, "can't assign memory\n");
128 * Allocate an irq resource with the given resource id.
131 snc_alloc_irq(dev, rid, flags)
136 struct snc_softc *sc = device_get_softc(dev);
137 struct resource *res;
139 res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
140 0ul, ~0ul, 1, (RF_ACTIVE | flags));
146 device_printf(dev, "can't assign irq\n");
152 * Release all resources
155 snc_release_resources(dev)
158 struct snc_softc *sc = device_get_softc(dev);
161 bus_release_resource(dev, SYS_RES_IOPORT,
162 sc->ioport_rid, sc->ioport);
166 bus_release_resource(dev, SYS_RES_MEMORY,
167 sc->iomem_rid, sc->iomem);
171 bus_release_resource(dev, SYS_RES_IRQ,
172 sc->irq_rid, sc->irq);
177 /****************************************************************
179 ****************************************************************/
186 struct snc_softc *sc = device_get_softc(dev);
188 return snc_nec16_detectsubr(sc->sc_iot, sc->sc_ioh,
189 sc->sc_memt, sc->sc_memh,
190 rman_get_start(sc->irq),
191 rman_get_start(sc->iomem),
195 /****************************************************************
197 ****************************************************************/
203 struct snc_softc *sc = device_get_softc(dev);
204 u_int8_t myea[ETHER_ADDR_LEN];
206 if (snc_nec16_register_irq(sc, rman_get_start(sc->irq)) == 0 ||
207 snc_nec16_register_mem(sc, rman_get_start(sc->iomem)) == 0) {
208 snc_release_resources(dev);
212 snc_nec16_get_enaddr(sc->sc_iot, sc->sc_ioh, myea);
213 device_printf(dev, "%s Ethernet\n", snc_nec16_detect_type(myea));
217 sc->sncr_dcr = DCR_SYNC | DCR_WAIT0 |
218 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT28;
219 sc->sncr_dcr2 = 0; /* XXX */
220 sc->bitmode = 0; /* 16 bit card */
222 sc->sc_nic_put = snc_nec16_nic_put;
223 sc->sc_nic_get = snc_nec16_nic_get;
224 sc->sc_writetodesc = snc_nec16_writetodesc;
225 sc->sc_readfromdesc = snc_nec16_readfromdesc;
226 sc->sc_copytobuf = snc_nec16_copytobuf;
227 sc->sc_copyfrombuf = snc_nec16_copyfrombuf;
228 sc->sc_zerobuf = snc_nec16_zerobuf;
230 /* sncsetup returns 1 if something fails */
231 if (sncsetup(sc, myea)) {
232 snc_release_resources(dev);
236 sncconfig(sc, NULL, 0, 0, myea);
241 /****************************************************************
243 ****************************************************************/
249 sncshutdown(device_get_softc(dev));