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 /*
23 * Copyright (C) 2003-2005 Chelsio Communications. All rights reserved.
24 */
25
26 #include "cphy.h"
27 #include "elmer0.h"
28
29 /* ARGSUSED */
xpak_reset(struct cphy * cphy,int wait)30 static int xpak_reset(struct cphy *cphy, int wait)
31 {
32 return 0;
33 }
34
35 /* ARGSUSED */
xpak_interrupt_enable(struct cphy * cphy)36 static int xpak_interrupt_enable(struct cphy *cphy)
37 {
38 return 0;
39 }
40
41 /* ARGSUSED */
xpak_interrupt_disable(struct cphy * cphy)42 static int xpak_interrupt_disable(struct cphy *cphy)
43 {
44 return 0;
45 }
46
47 /* ARGSUSED */
xpak_interrupt_clear(struct cphy * cphy)48 static int xpak_interrupt_clear(struct cphy *cphy)
49 {
50 return 0;
51 }
52
53 /* ARGSUSED */
xpak_set_loopback(struct cphy * cphy,int on)54 static int xpak_set_loopback(struct cphy *cphy, int on)
55 {
56 return 0;
57 }
58
59 /* ARGSUSED */
xpak_get_link_status(struct cphy * cphy,int * link_ok,int * speed,int * duplex,int * fc)60 static int xpak_get_link_status(struct cphy *cphy, int *link_ok, int *speed,
61 int *duplex, int *fc)
62 {
63 if (link_ok)
64 *link_ok = 1;
65 if (speed)
66 *speed = SPEED_10000;
67 if (duplex)
68 *duplex = DUPLEX_FULL;
69 if (fc)
70 *fc = PAUSE_RX | PAUSE_TX;
71 return 0;
72 }
73
xpak_destroy(struct cphy * cphy)74 static void xpak_destroy(struct cphy *cphy)
75 {
76 t1_os_free((void *)cphy, sizeof(*cphy));
77 }
78
79 #ifdef C99_NOT_SUPPORTED
80 static struct cphy_ops xpak_ops = {
81 xpak_destroy,
82 xpak_reset,
83 xpak_interrupt_enable,
84 xpak_interrupt_disable,
85 xpak_interrupt_clear,
86 NULL,
87 NULL,
88 NULL,
89 NULL,
90 NULL,
91 xpak_set_loopback,
92 NULL,
93 xpak_get_link_status,
94 };
95 #else
96 static struct cphy_ops xpak_ops = {
97 .destroy = xpak_destroy,
98 .reset = xpak_reset,
99 .interrupt_enable = xpak_interrupt_enable,
100 .interrupt_disable = xpak_interrupt_disable,
101 .interrupt_clear = xpak_interrupt_clear,
102 .get_link_status = xpak_get_link_status,
103 .set_loopback = xpak_set_loopback,
104 };
105 #endif
106
107 /* ARGSUSED */
xpak_phy_create(adapter_t * adapter,int phy_addr,struct mdio_ops * mdio_ops)108 static struct cphy *xpak_phy_create(adapter_t * adapter, int phy_addr,
109 struct mdio_ops *mdio_ops)
110 {
111 struct cphy *cphy = t1_os_malloc_wait_zero(sizeof(*cphy));
112
113 if (!cphy)
114 return NULL;
115
116 cphy->ops = &xpak_ops;
117 cphy->adapter = adapter;
118 cphy->mdio_read = mdio_ops->read;
119 cphy->mdio_write = mdio_ops->write;
120 return cphy;
121 }
122
xpak_phy_reset(adapter_t * adapter)123 static int xpak_phy_reset(adapter_t *adapter)
124 {
125 u32 val;
126
127 (void) t1_tpi_read(adapter, A_ELMER0_GPO, &val);
128 val &= ~4;
129 (void) t1_tpi_write(adapter, A_ELMER0_GPO, val);
130 DELAY_MS(100);
131
132 /*
133 * Errata #26 states to wait 5 seconds after reset before transceiver
134 * becomes operational.
135 */
136 (void) t1_tpi_write(adapter, A_ELMER0_GPO, val | 4);
137 DELAY_MS(5000);
138
139 /* Now lets enable the Laser. Delay 100us
140 * as defined in XPAK errata.
141 */
142 (void) t1_tpi_read(adapter, A_ELMER0_GPO, &val);
143 val |= 0x8000;
144 (void) t1_tpi_write(adapter, A_ELMER0_GPO, val);
145 DELAY_US(100);
146 return 0;
147 }
148
149 struct gphy t1_xpak_ops = {
150 xpak_phy_create,
151 xpak_phy_reset
152 };
153
154