1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /*
27 * MII overrides for Cicada (now Vitesse) PHYs.
28 */
29
30 #include <sys/types.h>
31 #include <sys/ddi.h>
32 #include <sys/sunddi.h>
33 #include <sys/mii.h>
34 #include <sys/miiregs.h>
35 #include "miipriv.h"
36
37
38 /*
39 * The Realtek 10/100 PHYs are mostly standard compliant, but they
40 * lack a true vendor/device ID for the integrated PHY, and they don't
41 * report the "detected" non-Nway link speed in the appropriate
42 * registers.
43 */
44 static int rtl8139_check(phy_handle_t *);
45 static int rtl8201_check(phy_handle_t *);
46
47 boolean_t
phy_realtek_probe(phy_handle_t * ph)48 phy_realtek_probe(phy_handle_t *ph)
49 {
50 if ((ph->phy_id == 0) &&
51 (strcmp(phy_get_driver(ph), "rtls") == 0)) {
52 ph->phy_vendor = "Realtek";
53 ph->phy_model = "Internal RTL8139";
54 ph->phy_check = rtl8139_check;
55 return (B_TRUE);
56 } else if (ph->phy_id == 0x8201) {
57 ph->phy_vendor = "Realtek";
58 ph->phy_model = "RTL8201";
59 ph->phy_check = rtl8201_check;
60 return (B_TRUE);
61 } else {
62 return (B_FALSE);
63 }
64 }
65
66 static int
rtl8139_check(phy_handle_t * ph)67 rtl8139_check(phy_handle_t *ph)
68 {
69 int rv;
70 uint16_t s;
71
72 rv = phy_check(ph);
73
74 /*
75 * We possibly override settings, so that we can use the PHYs
76 * autodetected link speed if the partner isn't doing NWay.
77 */
78 s = phy_read(ph, MII_VENDOR(0));
79 if (s & (1 << 2)) {
80 ph->phy_link = LINK_STATE_DOWN;
81 } else {
82 ph->phy_link = LINK_STATE_UP;
83 if (s & (1 << 3)) {
84 ph->phy_speed = 10;
85 } else {
86 ph->phy_speed = 100;
87 }
88 }
89
90 return (rv);
91 }
92
93 static int
rtl8201_check(phy_handle_t * ph)94 rtl8201_check(phy_handle_t *ph)
95 {
96 int rv;
97 uint16_t s;
98
99 rv = phy_check(ph);
100
101 /*
102 * We possibly override settings, so that we can use the PHYs
103 * autodetected link speed if the partner isn't doing NWay.
104 */
105 s = phy_read(ph, MII_VENDOR(9));
106 if (s & (1 << 0)) {
107 ph->phy_link = LINK_STATE_UP;
108 ph->phy_speed = 100;
109 } else if (s & (1 << 1)) {
110 ph->phy_link = LINK_STATE_UP;
111 ph->phy_speed = 10;
112 } else {
113 ph->phy_link = LINK_STATE_DOWN;
114 }
115
116 return (rv);
117 }
118