rtl80x9.c revision 1.5.2.2 1 /* $NetBSD: rtl80x9.c,v 1.5.2.2 2001/08/24 00:09:36 nathanw Exp $ */
2
3 /*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/mbuf.h>
43 #include <sys/syslog.h>
44 #include <sys/socket.h>
45 #include <sys/device.h>
46
47 #include <net/if.h>
48 #include <net/if_ether.h>
49 #include <net/if_media.h>
50
51 #include <machine/bus.h>
52 #include <machine/intr.h>
53
54 #include <dev/ic/dp8390reg.h>
55 #include <dev/ic/dp8390var.h>
56
57 #include <dev/ic/ne2000reg.h>
58 #include <dev/ic/ne2000var.h>
59
60 #include <dev/ic/rtl80x9reg.h>
61 #include <dev/ic/rtl80x9var.h>
62
63 int
64 rtl80x9_mediachange(dsc)
65 struct dp8390_softc *dsc;
66 {
67
68 /*
69 * Current media is already set up. Just reset the interface
70 * to let the new value take hold. The new media will be
71 * set up in ne_pci_rtl8029_init_card() called via dp8390_init().
72 */
73 dp8390_reset(dsc);
74 return (0);
75 }
76
77 void
78 rtl80x9_mediastatus(sc, ifmr)
79 struct dp8390_softc *sc;
80 struct ifmediareq *ifmr;
81 {
82 struct ifnet *ifp = &sc->sc_ec.ec_if;
83 u_int8_t cr_proto = sc->cr_proto |
84 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
85
86 /*
87 * Sigh, can detect which media is being used, but can't
88 * detect if we have link or not.
89 */
90
91 /* Set NIC to page 3 registers. */
92 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
93
94 if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG0) &
95 RTL3_CONFIG0_BNC)
96 ifmr->ifm_active = IFM_ETHER|IFM_10_2;
97 else {
98 ifmr->ifm_active = IFM_ETHER|IFM_10_T;
99 if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3) &
100 RTL3_CONFIG3_FUDUP)
101 ifmr->ifm_active |= IFM_FDX;
102 }
103
104 /* Set NIC to page 0 registers. */
105 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
106 }
107
108 void
109 rtl80x9_init_card(sc)
110 struct dp8390_softc *sc;
111 {
112 struct ifmedia *ifm = &sc->sc_media;
113 struct ifnet *ifp = &sc->sc_ec.ec_if;
114 u_int8_t cr_proto = sc->cr_proto |
115 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
116 u_int8_t reg;
117
118 /* Set NIC to page 3 registers. */
119 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
120
121 /* write enable config1-3. */
122 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR,
123 RTL3_EECR_EEM1|RTL3_EECR_EEM0);
124
125 /* First, set basic media type. */
126 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
127 reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0);
128 switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) {
129 case IFM_AUTO:
130 /* Nothing to do; both bits clear == auto-detect. */
131 break;
132
133 case IFM_10_T:
134 /*
135 * According to docs, this should be:
136 * reg |= RTL3_CONFIG2_PL0;
137 * but this doesn't work, so make it the same as AUTO.
138 */
139 break;
140
141 case IFM_10_2:
142 reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
143 break;
144 }
145 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg);
146
147 /* Now, set duplex mode. */
148 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
149 if (ifm->ifm_cur->ifm_media & IFM_FDX)
150 reg |= RTL3_CONFIG3_FUDUP;
151 else
152 reg &= ~RTL3_CONFIG3_FUDUP;
153 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg);
154
155 /* write disable config1-3 */
156 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0);
157
158 /* Set NIC to page 0 registers. */
159 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
160 }
161
162 void
163 rtl80x9_media_init(sc)
164 struct dp8390_softc *sc;
165 {
166 static int rtl80x9_media[] = {
167 IFM_ETHER|IFM_AUTO,
168 IFM_ETHER|IFM_10_T,
169 IFM_ETHER|IFM_10_T|IFM_FDX,
170 IFM_ETHER|IFM_10_2,
171 };
172 static const int rtl80x9_nmedia =
173 sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]);
174
175 int i, defmedia;
176 u_int8_t conf2, conf3;
177
178 printf("%s: 10base2, 10baseT, 10baseT-FDX, auto, default ",
179 sc->sc_dev.dv_xname);
180
181 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3);
182
183 conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
184 conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
185 printf("[0x%02x 0x%02x] ", conf2, conf3);
186
187 conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
188
189 switch (conf2) {
190 case 0:
191 defmedia = IFM_ETHER|IFM_AUTO;
192 printf("auto\n");
193 break;
194
195 case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0:
196 case RTL3_CONFIG2_PL1: /* XXX rtl docs sys 10base5, but chip cant do */
197 defmedia = IFM_ETHER|IFM_10_2;
198 printf("10base2\n");
199 break;
200
201 case RTL3_CONFIG2_PL0:
202 if (conf3 & RTL3_CONFIG3_FUDUP) {
203 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX;
204 printf("10baseT-FDX\n");
205 } else {
206 defmedia = IFM_ETHER|IFM_10_T;
207 printf("10baseT\n");
208 }
209 break;
210 }
211
212 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0);
213
214 ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus);
215 for (i = 0; i < rtl80x9_nmedia; i++)
216 ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL);
217 ifmedia_set(&sc->sc_media, defmedia);
218 }
219