1 /* $NetBSD: rtl80x9.c,v 1.16 2014/06/16 16:48:16 msaitoh 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 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: rtl80x9.c,v 1.16 2014/06/16 16:48:16 msaitoh Exp $");
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_ether.h>
45 #include <net/if_media.h>
46
47 #include <sys/bus.h>
48 #include <sys/intr.h>
49
50 #include <dev/ic/dp8390reg.h>
51 #include <dev/ic/dp8390var.h>
52
53 #include <dev/ic/ne2000reg.h>
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_ec.ec_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 else
96 ifmr->ifm_active |= IFM_HDX;
97 }
98
99 /* Set NIC to page 0 registers. */
100 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
101 }
102
103 void
rtl80x9_init_card(struct dp8390_softc * sc)104 rtl80x9_init_card(struct dp8390_softc *sc)
105 {
106 struct ifmedia *ifm = &sc->sc_media;
107 struct ifnet *ifp = &sc->sc_ec.ec_if;
108 u_int8_t cr_proto = sc->cr_proto |
109 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
110 u_int8_t reg;
111
112 /* Set NIC to page 3 registers. */
113 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
114
115 /* write enable config1-3. */
116 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR,
117 RTL3_EECR_EEM1|RTL3_EECR_EEM0);
118
119 /* First, set basic media type. */
120 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
121 reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0);
122 switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) {
123 case IFM_AUTO:
124 /* Nothing to do; both bits clear == auto-detect. */
125 break;
126
127 case IFM_10_T:
128 /*
129 * According to docs, this should be:
130 * reg |= RTL3_CONFIG2_PL0;
131 * but this doesn't work, so make it the same as AUTO.
132 */
133 break;
134
135 case IFM_10_2:
136 reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
137 break;
138 }
139 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg);
140
141 /* Now, set duplex mode. */
142 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
143 if (ifm->ifm_cur->ifm_media & IFM_FDX)
144 reg |= RTL3_CONFIG3_FUDUP;
145 else
146 reg &= ~RTL3_CONFIG3_FUDUP;
147 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg);
148
149 /* write disable config1-3 */
150 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0);
151
152 /* Set NIC to page 0 registers. */
153 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
154 }
155
156 void
rtl80x9_media_init(struct dp8390_softc * sc)157 rtl80x9_media_init(struct dp8390_softc *sc)
158 {
159 static int rtl80x9_media[] = {
160 IFM_ETHER|IFM_AUTO,
161 IFM_ETHER|IFM_10_T,
162 IFM_ETHER|IFM_10_T|IFM_FDX,
163 IFM_ETHER|IFM_10_2,
164 };
165 static const int rtl80x9_nmedia =
166 sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]);
167
168 int i, defmedia;
169 u_int8_t conf2, conf3;
170
171 aprint_normal_dev(sc->sc_dev,
172 "10base2, 10baseT, 10baseT-FDX, auto, default ");
173
174 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3);
175
176 conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
177 conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
178 printf("[0x%02x 0x%02x] ", conf2, conf3);
179
180 conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
181
182 switch (conf2) {
183 default:
184 defmedia = IFM_ETHER|IFM_AUTO;
185 printf("auto\n");
186 break;
187
188 case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0:
189 case RTL3_CONFIG2_PL1: /* XXX rtl docs sys 10base5, but chip cant do */
190 defmedia = IFM_ETHER|IFM_10_2;
191 printf("10base2\n");
192 break;
193
194 case RTL3_CONFIG2_PL0:
195 if (conf3 & RTL3_CONFIG3_FUDUP) {
196 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX;
197 printf("10baseT-FDX\n");
198 } else {
199 defmedia = IFM_ETHER|IFM_10_T;
200 printf("10baseT\n");
201 }
202 break;
203 }
204
205 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0);
206
207 ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus);
208 for (i = 0; i < rtl80x9_nmedia; i++)
209 ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL);
210 ifmedia_set(&sc->sc_media, defmedia);
211 }
212