Hardwire i386 instead of using the borken machine variable
[dragonfly.git] / sys / dev / netif / snc / if_snc.c
CommitLineData
984263bc
MD
1/*
2 * Copyright (c) 1995, David Greenman
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 unmodified, this list of conditions, and the following
10 * disclaimer.
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.
14 *
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
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: src/sys/dev/snc/if_snc.c,v 1.2.2.1 2000/10/21 03:30:03 nyan Exp $
1de703da 28 * $DragonFly: src/sys/dev/netif/snc/Attic/if_snc.c,v 1.2 2003/06/17 04:28:29 dillon Exp $
984263bc
MD
29 */
30
31/*
32 * National Semiconductor DP8393X SONIC Driver
33 *
34 * This is the bus independent attachment on FreeBSD 4.x
35 * written by Motomichi Matsuzaki <mzaki@e-mail.ne.jp>
36 */
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/sockio.h>
41#include <sys/mbuf.h>
42#include <sys/socket.h>
43#include <sys/syslog.h>
44
45#include <sys/module.h>
46#include <sys/bus.h>
47#include <machine/bus.h>
48#include <sys/rman.h>
49#include <machine/resource.h>
50
51#include <net/ethernet.h>
52#include <net/if.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>
57
58#include <net/bpf.h>
59#include "opt_bdg.h"
60#ifdef BRIDGE
61#include <net/bridge.h>
62#endif
63
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>
69
70/* devclass for "snc" */
71devclass_t snc_devclass;
72
73/****************************************************************
74 Resource management functions
75 ****************************************************************/
76
77/*
78 * Allocate a port resource with the given resource id.
79 */
80int
81snc_alloc_port(dev, rid)
82 device_t dev;
83 int rid;
84{
85 struct snc_softc *sc = device_get_softc(dev);
86 struct resource *res;
87
88 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
89 0ul, ~0ul, SNEC_NREGS, RF_ACTIVE);
90 if (res) {
91 sc->ioport = res;
92 sc->ioport_rid = rid;
93 sc->sc_iot = rman_get_bustag(res);
94 sc->sc_ioh = rman_get_bushandle(res);
95 return (0);
96 } else {
97 device_printf(dev, "can't assign port\n");
98 return (ENOENT);
99 }
100}
101
102/*
103 * Allocate a memory resource with the given resource id.
104 */
105int
106snc_alloc_memory(dev, rid)
107 device_t dev;
108 int rid;
109{
110 struct snc_softc *sc = device_get_softc(dev);
111 struct resource *res;
112
113 res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid,
114 0ul, ~0ul, SNEC_NMEMS, RF_ACTIVE);
115 if (res) {
116 sc->iomem = res;
117 sc->iomem_rid = rid;
118 sc->sc_memt = rman_get_bustag(res);
119 sc->sc_memh = rman_get_bushandle(res);
120 return (0);
121 } else {
122 device_printf(dev, "can't assign memory\n");
123 return (ENOENT);
124 }
125}
126
127/*
128 * Allocate an irq resource with the given resource id.
129 */
130int
131snc_alloc_irq(dev, rid, flags)
132 device_t dev;
133 int rid;
134 int flags;
135{
136 struct snc_softc *sc = device_get_softc(dev);
137 struct resource *res;
138
139 res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
140 0ul, ~0ul, 1, (RF_ACTIVE | flags));
141 if (res) {
142 sc->irq = res;
143 sc->irq_rid = rid;
144 return (0);
145 } else {
146 device_printf(dev, "can't assign irq\n");
147 return (ENOENT);
148 }
149}
150
151/*
152 * Release all resources
153 */
154void
155snc_release_resources(dev)
156 device_t dev;
157{
158 struct snc_softc *sc = device_get_softc(dev);
159
160 if (sc->ioport) {
161 bus_release_resource(dev, SYS_RES_IOPORT,
162 sc->ioport_rid, sc->ioport);
163 sc->ioport = 0;
164 }
165 if (sc->iomem) {
166 bus_release_resource(dev, SYS_RES_MEMORY,
167 sc->iomem_rid, sc->iomem);
168 sc->iomem = 0;
169 }
170 if (sc->irq) {
171 bus_release_resource(dev, SYS_RES_IRQ,
172 sc->irq_rid, sc->irq);
173 sc->irq = 0;
174 }
175}
176
177/****************************************************************
178 Probe routine
179 ****************************************************************/
180
181int
182snc_probe(dev, type)
183 device_t dev;
184 int type;
185{
186 struct snc_softc *sc = device_get_softc(dev);
187
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),
192 type);
193}
194
195/****************************************************************
196 Attach routine
197 ****************************************************************/
198
199int
200snc_attach(dev)
201 device_t dev;
202{
203 struct snc_softc *sc = device_get_softc(dev);
204 u_int8_t myea[ETHER_ADDR_LEN];
205
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);
209 return(ENOENT);
210 }
211
212 snc_nec16_get_enaddr(sc->sc_iot, sc->sc_ioh, myea);
213 device_printf(dev, "%s Ethernet\n", snc_nec16_detect_type(myea));
214
215 sc->sc_dev = dev;
216
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 */
221
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;
229
230 /* sncsetup returns 1 if something fails */
231 if (sncsetup(sc, myea)) {
232 snc_release_resources(dev);
233 return(ENOENT);
234 }
235
236 sncconfig(sc, NULL, 0, 0, myea);
237
238 return 0;
239}
240
241/****************************************************************
242 Shutdown routine
243 ****************************************************************/
244
245void
246snc_shutdown(dev)
247 device_t dev;
248{
249 sncshutdown(device_get_softc(dev));
250}