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 */
44static int rtl8139_check(phy_handle_t *);
45static int rtl8201_check(phy_handle_t *);
46
47boolean_t
48phy_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
66static int
67rtl8139_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
93static int
94rtl8201_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