FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/rtl80x9.c
1 /* $NetBSD: rtl80x9.c,v 1.14 2008/04/28 20:23:51 martin 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 1.14 2008/04/28 20:23:51 martin 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
60 rtl80x9_mediachange(dsc)
61 struct dp8390_softc *dsc;
62 {
63
64 /*
65 * Current media is already set up. Just reset the interface
66 * to let the new value take hold. The new media will be
67 * set up in ne_pci_rtl8029_init_card() called via dp8390_init().
68 */
69 dp8390_reset(dsc);
70 return (0);
71 }
72
73 void
74 rtl80x9_mediastatus(sc, ifmr)
75 struct dp8390_softc *sc;
76 struct ifmediareq *ifmr;
77 {
78 struct ifnet *ifp = &sc->sc_ec.ec_if;
79 u_int8_t cr_proto = sc->cr_proto |
80 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
81
82 /*
83 * Sigh, can detect which media is being used, but can't
84 * detect if we have link or not.
85 */
86
87 /* Set NIC to page 3 registers. */
88 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
89
90 if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG0) &
91 RTL3_CONFIG0_BNC)
92 ifmr->ifm_active = IFM_ETHER|IFM_10_2;
93 else {
94 ifmr->ifm_active = IFM_ETHER|IFM_10_T;
95 if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3) &
96 RTL3_CONFIG3_FUDUP)
97 ifmr->ifm_active |= IFM_FDX;
98 }
99
100 /* Set NIC to page 0 registers. */
101 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
102 }
103
104 void
105 rtl80x9_init_card(sc)
106 struct dp8390_softc *sc;
107 {
108 struct ifmedia *ifm = &sc->sc_media;
109 struct ifnet *ifp = &sc->sc_ec.ec_if;
110 u_int8_t cr_proto = sc->cr_proto |
111 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
112 u_int8_t reg;
113
114 /* Set NIC to page 3 registers. */
115 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
116
117 /* write enable config1-3. */
118 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR,
119 RTL3_EECR_EEM1|RTL3_EECR_EEM0);
120
121 /* First, set basic media type. */
122 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
123 reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0);
124 switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) {
125 case IFM_AUTO:
126 /* Nothing to do; both bits clear == auto-detect. */
127 break;
128
129 case IFM_10_T:
130 /*
131 * According to docs, this should be:
132 * reg |= RTL3_CONFIG2_PL0;
133 * but this doesn't work, so make it the same as AUTO.
134 */
135 break;
136
137 case IFM_10_2:
138 reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
139 break;
140 }
141 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg);
142
143 /* Now, set duplex mode. */
144 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
145 if (ifm->ifm_cur->ifm_media & IFM_FDX)
146 reg |= RTL3_CONFIG3_FUDUP;
147 else
148 reg &= ~RTL3_CONFIG3_FUDUP;
149 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg);
150
151 /* write disable config1-3 */
152 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0);
153
154 /* Set NIC to page 0 registers. */
155 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
156 }
157
158 void
159 rtl80x9_media_init(sc)
160 struct dp8390_softc *sc;
161 {
162 static int rtl80x9_media[] = {
163 IFM_ETHER|IFM_AUTO,
164 IFM_ETHER|IFM_10_T,
165 IFM_ETHER|IFM_10_T|IFM_FDX,
166 IFM_ETHER|IFM_10_2,
167 };
168 static const int rtl80x9_nmedia =
169 sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]);
170
171 int i, defmedia;
172 u_int8_t conf2, conf3;
173
174 aprint_normal_dev(sc->sc_dev,
175 "10base2, 10baseT, 10baseT-FDX, auto, default ");
176
177 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3);
178
179 conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
180 conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
181 printf("[0x%02x 0x%02x] ", conf2, conf3);
182
183 conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
184
185 switch (conf2) {
186 default:
187 defmedia = IFM_ETHER|IFM_AUTO;
188 printf("auto\n");
189 break;
190
191 case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0:
192 case RTL3_CONFIG2_PL1: /* XXX rtl docs sys 10base5, but chip cant do */
193 defmedia = IFM_ETHER|IFM_10_2;
194 printf("10base2\n");
195 break;
196
197 case RTL3_CONFIG2_PL0:
198 if (conf3 & RTL3_CONFIG3_FUDUP) {
199 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX;
200 printf("10baseT-FDX\n");
201 } else {
202 defmedia = IFM_ETHER|IFM_10_T;
203 printf("10baseT\n");
204 }
205 break;
206 }
207
208 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0);
209
210 ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus);
211 for (i = 0; i < rtl80x9_nmedia; i++)
212 ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL);
213 ifmedia_set(&sc->sc_media, defmedia);
214 }
Cache object: f84c8eee896e0d163d9c1d04ed7b9f39
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