1 /* $OpenBSD: rtl80x9.c,v 1.12 2021/03/07 06:21:38 jsg 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 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #include "bpfilter.h"
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/mbuf.h>
39 #include <sys/syslog.h>
40 #include <sys/socket.h>
41 #include <sys/device.h>
42
43 #include <net/if.h>
44 #include <net/if_media.h>
45
46 #include <netinet/in.h>
47 #include <netinet/if_ether.h>
48
49 #include <machine/bus.h>
50
51 #include <dev/ic/dp8390reg.h>
52 #include <dev/ic/dp8390var.h>
53
54 #include <dev/ic/ne2000var.h>
55
56 #include <dev/ic/rtl80x9reg.h>
57 #include <dev/ic/rtl80x9var.h>
58
59 int
rtl80x9_mediachange(struct dp8390_softc * dsc)60 rtl80x9_mediachange(struct dp8390_softc *dsc)
61 {
62
63 /*
64 * Current media is already set up. Just reset the interface
65 * to let the new value take hold. The new media will be
66 * set up in ne_pci_rtl8029_init_card() called via dp8390_init().
67 */
68 dp8390_reset(dsc);
69 return (0);
70 }
71
72 void
rtl80x9_mediastatus(struct dp8390_softc * sc,struct ifmediareq * ifmr)73 rtl80x9_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr)
74 {
75 struct ifnet *ifp = &sc->sc_arpcom.ac_if;
76 u_int8_t cr_proto = sc->cr_proto |
77 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
78
79 /*
80 * Sigh, can detect which media is being used, but can't
81 * detect if we have link or not.
82 */
83
84 /* Set NIC to page 3 registers. */
85 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
86
87 if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG0) &
88 RTL3_CONFIG0_BNC)
89 ifmr->ifm_active = IFM_ETHER|IFM_10_2;
90 else {
91 ifmr->ifm_active = IFM_ETHER|IFM_10_T;
92 if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3) &
93 RTL3_CONFIG3_FUDUP)
94 ifmr->ifm_active |= IFM_FDX;
95 }
96
97 /* Set NIC to page 0 registers. */
98 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
99 }
100
101 void
rtl80x9_init_card(struct dp8390_softc * sc)102 rtl80x9_init_card(struct dp8390_softc *sc)
103 {
104 struct ifmedia *ifm = &sc->sc_media;
105 struct ifnet *ifp = &sc->sc_arpcom.ac_if;
106 u_int8_t cr_proto = sc->cr_proto |
107 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
108 u_int8_t reg;
109
110 /* Set NIC to page 3 registers. */
111 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
112
113 /* write enable config1-3. */
114 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR,
115 RTL3_EECR_EEM1|RTL3_EECR_EEM0);
116
117 /* First, set basic media type. */
118 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
119 reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0);
120 switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) {
121 case IFM_AUTO:
122 /* Nothing to do; both bits clear == auto-detect. */
123 break;
124
125 case IFM_10_T:
126 /*
127 * According to docs, this should be:
128 * reg |= RTL3_CONFIG2_PL0;
129 * but this doesn't work, so make it the same as AUTO.
130 */
131 break;
132
133 case IFM_10_2:
134 reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
135 break;
136 }
137 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg);
138
139 /* Now, set duplex mode. */
140 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
141 if (ifm->ifm_cur->ifm_media & IFM_FDX)
142 reg |= RTL3_CONFIG3_FUDUP;
143 else
144 reg &= ~RTL3_CONFIG3_FUDUP;
145 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg);
146
147 /* write disable config1-3 */
148 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0);
149
150 /* Set NIC to page 0 registers. */
151 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
152 }
153
154 void
rtl80x9_media_init(struct dp8390_softc * sc)155 rtl80x9_media_init(struct dp8390_softc *sc)
156 {
157 static uint64_t rtl80x9_media[] = {
158 IFM_ETHER|IFM_AUTO,
159 IFM_ETHER|IFM_10_T,
160 IFM_ETHER|IFM_10_T|IFM_FDX,
161 IFM_ETHER|IFM_10_2,
162 };
163 static const int rtl80x9_nmedia =
164 sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]);
165
166 int i;
167 uint64_t defmedia;
168 u_int8_t conf2, conf3;
169
170 /* Set NIC to page 3 registers. */
171 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3);
172
173 conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
174 conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
175
176 conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
177
178 switch (conf2) {
179 case 0:
180 defmedia = IFM_ETHER|IFM_AUTO;
181 break;
182
183 case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0:
184 case RTL3_CONFIG2_PL1: /* XXX rtl docs sys 10base5, but chip cant do */
185 defmedia = IFM_ETHER|IFM_10_2;
186 break;
187
188 case RTL3_CONFIG2_PL0:
189 if (conf3 & RTL3_CONFIG3_FUDUP)
190 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX;
191 else
192 defmedia = IFM_ETHER|IFM_10_T;
193 break;
194 }
195
196 /* Set NIC to page 0 registers. */
197 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0);
198
199 ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus);
200 for (i = 0; i < rtl80x9_nmedia; i++)
201 ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL);
202 ifmedia_set(&sc->sc_media, defmedia);
203 }
204