1 /* $OpenBSD: rtl80x9.c,v 1.7 2003/06/25 17:35:36 miod Exp $ */
2 /* $NetBSD: rtl80x9.c,v 1.1 1998/10/31 00:44:33 thorpej Exp $ */
3
4 /*-
5 * Copyright (c) 1998 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
10 * NASA Ames Research Center.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the NetBSD
23 * Foundation, Inc. and its contributors.
24 * 4. Neither the name of The NetBSD Foundation nor the names of its
25 * contributors may be used to endorse or promote products derived
26 * from this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
39 */
40
41 #include "bpfilter.h"
42
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/mbuf.h>
46 #include <sys/syslog.h>
47 #include <sys/socket.h>
48 #include <sys/device.h>
49
50 #include <net/if.h>
51 #include <net/if_media.h>
52
53 #ifdef INET
54 #include <netinet/in.h>
55 #include <netinet/if_ether.h>
56 #endif
57
58 #include <machine/bus.h>
59
60 #include <dev/ic/dp8390reg.h>
61 #include <dev/ic/dp8390var.h>
62
63 #include <dev/ic/ne2000reg.h>
64 #include <dev/ic/ne2000var.h>
65
66 #include <dev/ic/rtl80x9reg.h>
67 #include <dev/ic/rtl80x9var.h>
68
69 int
rtl80x9_mediachange(dsc)70 rtl80x9_mediachange(dsc)
71 struct dp8390_softc *dsc;
72 {
73
74 /*
75 * Current media is already set up. Just reset the interface
76 * to let the new value take hold. The new media will be
77 * set up in ne_pci_rtl8029_init_card() called via dp8390_init().
78 */
79 dp8390_reset(dsc);
80 return (0);
81 }
82
83 void
rtl80x9_mediastatus(sc,ifmr)84 rtl80x9_mediastatus(sc, ifmr)
85 struct dp8390_softc *sc;
86 struct ifmediareq *ifmr;
87 {
88 struct ifnet *ifp = &sc->sc_arpcom.ac_if;
89 u_int8_t cr_proto = sc->cr_proto |
90 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
91
92 /*
93 * Sigh, can detect which media is being used, but can't
94 * detect if we have link or not.
95 */
96
97 /* Set NIC to page 3 registers. */
98 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
99
100 if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG0) &
101 RTL3_CONFIG0_BNC)
102 ifmr->ifm_active = IFM_ETHER|IFM_10_2;
103 else {
104 ifmr->ifm_active = IFM_ETHER|IFM_10_T;
105 if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3) &
106 RTL3_CONFIG3_FUDUP)
107 ifmr->ifm_active |= IFM_FDX;
108 }
109
110 /* Set NIC to page 0 registers. */
111 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
112 }
113
114 void
rtl80x9_init_card(sc)115 rtl80x9_init_card(sc)
116 struct dp8390_softc *sc;
117 {
118 struct ifmedia *ifm = &sc->sc_media;
119 struct ifnet *ifp = &sc->sc_arpcom.ac_if;
120 u_int8_t cr_proto = sc->cr_proto |
121 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
122 u_int8_t reg;
123
124 /* Set NIC to page 3 registers. */
125 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
126
127 /* write enable config1-3. */
128 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR,
129 RTL3_EECR_EEM1|RTL3_EECR_EEM0);
130
131 /* First, set basic media type. */
132 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
133 reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0);
134 switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) {
135 case IFM_AUTO:
136 /* Nothing to do; both bits clear == auto-detect. */
137 break;
138
139 case IFM_10_T:
140 /*
141 * According to docs, this should be:
142 * reg |= RTL3_CONFIG2_PL0;
143 * but this doesn't work, so make it the same as AUTO.
144 */
145 break;
146
147 case IFM_10_2:
148 reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
149 break;
150 }
151 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg);
152
153 /* Now, set duplex mode. */
154 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
155 if (ifm->ifm_cur->ifm_media & IFM_FDX)
156 reg |= RTL3_CONFIG3_FUDUP;
157 else
158 reg &= ~RTL3_CONFIG3_FUDUP;
159 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg);
160
161 /* write disable config1-3 */
162 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0);
163
164 /* Set NIC to page 0 registers. */
165 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
166 }
167
168 void
rtl80x9_media_init(sc)169 rtl80x9_media_init(sc)
170 struct dp8390_softc *sc;
171 {
172 static int rtl80x9_media[] = {
173 IFM_ETHER|IFM_AUTO,
174 IFM_ETHER|IFM_10_T,
175 IFM_ETHER|IFM_10_T|IFM_FDX,
176 IFM_ETHER|IFM_10_2,
177 };
178 static const int rtl80x9_nmedia =
179 sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]);
180
181 int i, defmedia;
182 u_int8_t conf2, conf3;
183
184 /* Set NIC to page 3 registers. */
185 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3);
186
187 conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
188 conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
189
190 conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
191
192 switch (conf2) {
193 case 0:
194 defmedia = IFM_ETHER|IFM_AUTO;
195 break;
196
197 case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0:
198 case RTL3_CONFIG2_PL1: /* XXX rtl docs sys 10base5, but chip cant do */
199 defmedia = IFM_ETHER|IFM_10_2;
200 break;
201
202 case RTL3_CONFIG2_PL0:
203 if (conf3 & RTL3_CONFIG3_FUDUP)
204 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX;
205 else
206 defmedia = IFM_ETHER|IFM_10_T;
207 break;
208 default:
209 defmedia = IFM_ETHER|IFM_AUTO;
210 }
211
212 /* Set NIC to page 0 registers. */
213 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0);
214
215 ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus);
216 for (i = 0; i < rtl80x9_nmedia; i++)
217 ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL);
218 ifmedia_set(&sc->sc_media, defmedia);
219 }
220