1 /* $NetBSD: dp83905.c,v 1.4 2007/10/19 11:59:50 ad Exp $ */
2
3 /*-
4 * Copyright (c) 2001 Ben Harris
5 * Copyright (c) 1998 Mike Pumford
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the NetBSD
18 * Foundation, Inc. and its contributors.
19 * 4. Neither the name of The NetBSD Foundation nor the names of its
20 * contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 #include <sys/param.h>
37
38 __KERNEL_RCSID(0, "$NetBSD: dp83905.c,v 1.4 2007/10/19 11:59:50 ad Exp $");
39
40 #include <sys/device.h>
41 #include <sys/mbuf.h>
42 #include <sys/socket.h>
43 #include <sys/systm.h>
44
45 #include <net/if.h>
46 #include <net/if_ether.h>
47 #include <net/if_media.h>
48
49 #include <sys/bus.h>
50
51 #include <dev/ic/dp8390reg.h>
52 #include <dev/ic/dp8390var.h>
53
54 #include <dev/ic/dp83905reg.h>
55 #include <dev/ic/dp83905var.h>
56
57 int
dp83905_mediachange(struct dp8390_softc * sc)58 dp83905_mediachange(struct dp8390_softc *sc)
59 {
60
61 /* Media already set up. Reset the interface to make it stick. */
62 dp8390_reset(sc);
63 return (0);
64 }
65
66 void
dp83905_mediastatus(struct dp8390_softc * sc,struct ifmediareq * ifmr)67 dp83905_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr)
68 {
69 bus_space_tag_t nict = sc->sc_regt;
70 bus_space_handle_t nich = sc->sc_regh;
71 u_int8_t mcrb;
72
73 bus_space_write_1(nict, nich, ED_P0_CR,
74 ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA);
75 mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
76 /* Random op so next RBCR1 write doesn't go to MCRB. */
77 bus_space_write_1(nict, nich, ED_P0_CR,
78 ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA);
79 switch (mcrb & DP83905_MCRB_PHY_MASK) {
80 case DP83905_MCRB_PHY_10_T:
81 case DP83905_MCRB_PHY_TPI_NONSPEC: /* XXX */
82 ifmr->ifm_active = IFM_ETHER | IFM_10_T;
83 ifmr->ifm_status = IFM_AVALID;
84 if (mcrb & DP83905_MCRB_GDLNK)
85 ifmr->ifm_status |= IFM_ACTIVE;
86 break;
87 case DP83905_MCRB_PHY_10_2:
88 ifmr->ifm_active = IFM_ETHER | IFM_10_2;
89 break;
90 case DP83905_MCRB_PHY_AUI:
91 ifmr->ifm_active = IFM_ETHER | IFM_10_5;
92 break;
93 }
94 }
95
dp83905_init_card(struct dp8390_softc * sc)96 void dp83905_init_card(struct dp8390_softc *sc)
97 {
98 struct ifmedia *ifm = &sc->sc_media;
99 bus_space_tag_t nict = sc->sc_regt;
100 bus_space_handle_t nich = sc->sc_regh;
101 u_int8_t mcrb;
102
103 /* Set basic media type. */
104 switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) {
105 case IFM_AUTO:
106 /* software auto detect the media */
107 mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
108 mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK |
109 DP83905_MCRB_BE);
110 mcrb |= DP83905_MCRB_PHY_10_T;
111 bus_space_write_1(nict, nich, DP83905_MCRB, mcrb);
112 mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
113 if (mcrb & DP83905_MCRB_GDLNK)
114 break;
115 /* No UTP use BNC */
116 /* FALLTHROUGH */
117
118 case IFM_10_2:
119 mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
120 mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK |
121 DP83905_MCRB_BE);
122 mcrb |= DP83905_MCRB_PHY_10_2;
123 bus_space_write_1(nict, nich, DP83905_MCRB, mcrb);
124 /*
125 * seems that re-reading config B here is required to
126 * prevent the interface hanging when manually selecting.
127 */
128 bus_space_read_1(nict, nich, DP83905_MCRB);
129 break;
130
131 case IFM_10_T:
132 mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
133 mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK |
134 DP83905_MCRB_BE);
135 mcrb |= DP83905_MCRB_PHY_10_T;
136 bus_space_write_1(nict, nich, DP83905_MCRB, mcrb);
137 /*
138 * seems that re-reading config B here is required to
139 * prevent the interface hanging when manually selecting.
140 */
141 bus_space_read_1(nict, nich, DP83905_MCRB);
142 break;
143
144 case IFM_10_5:
145 mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
146 mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK |
147 DP83905_MCRB_BE);
148 mcrb |= DP83905_MCRB_PHY_AUI;
149 bus_space_write_1(nict, nich, DP83905_MCRB, mcrb);
150 /*
151 * seems that re-reading config B here is required to
152 * prevent the interface hanging when manually selecting.
153 */
154 bus_space_read_1(nict, nich, DP83905_MCRB);
155 break;
156 }
157 }
158