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 #pragma ident "%Z%%M% %I% %E% SMI" /* xpak.c */
27
28 #include "cphy.h"
29 #include "elmer0.h"
30
31 /* ARGSUSED */
xpak_reset(struct cphy * cphy,int wait)32 static int xpak_reset(struct cphy *cphy, int wait)
33 {
34 return 0;
35 }
36
37 /* ARGSUSED */
xpak_interrupt_enable(struct cphy * cphy)38 static int xpak_interrupt_enable(struct cphy *cphy)
39 {
40 return 0;
41 }
42
43 /* ARGSUSED */
xpak_interrupt_disable(struct cphy * cphy)44 static int xpak_interrupt_disable(struct cphy *cphy)
45 {
46 return 0;
47 }
48
49 /* ARGSUSED */
xpak_interrupt_clear(struct cphy * cphy)50 static int xpak_interrupt_clear(struct cphy *cphy)
51 {
52 return 0;
53 }
54
55 /* ARGSUSED */
xpak_set_loopback(struct cphy * cphy,int on)56 static int xpak_set_loopback(struct cphy *cphy, int on)
57 {
58 return 0;
59 }
60
61 /* ARGSUSED */
xpak_get_link_status(struct cphy * cphy,int * link_ok,int * speed,int * duplex,int * fc)62 static int xpak_get_link_status(struct cphy *cphy, int *link_ok, int *speed,
63 int *duplex, int *fc)
64 {
65 if (link_ok)
66 *link_ok = 1;
67 if (speed)
68 *speed = SPEED_10000;
69 if (duplex)
70 *duplex = DUPLEX_FULL;
71 if (fc)
72 *fc = PAUSE_RX | PAUSE_TX;
73 return 0;
74 }
75
xpak_destroy(struct cphy * cphy)76 static void xpak_destroy(struct cphy *cphy)
77 {
78 t1_os_free((void *)cphy, sizeof(*cphy));
79 }
80
81 #ifdef C99_NOT_SUPPORTED
82 static struct cphy_ops xpak_ops = {
83 xpak_destroy,
84 xpak_reset,
85 xpak_interrupt_enable,
86 xpak_interrupt_disable,
87 xpak_interrupt_clear,
88 NULL,
89 NULL,
90 NULL,
91 NULL,
92 NULL,
93 xpak_set_loopback,
94 NULL,
95 xpak_get_link_status,
96 };
97 #else
98 static struct cphy_ops xpak_ops = {
99 .destroy = xpak_destroy,
100 .reset = xpak_reset,
101 .interrupt_enable = xpak_interrupt_enable,
102 .interrupt_disable = xpak_interrupt_disable,
103 .interrupt_clear = xpak_interrupt_clear,
104 .get_link_status = xpak_get_link_status,
105 .set_loopback = xpak_set_loopback,
106 };
107 #endif
108
109 /* ARGSUSED */
xpak_phy_create(adapter_t * adapter,int phy_addr,struct mdio_ops * mdio_ops)110 static struct cphy *xpak_phy_create(adapter_t * adapter, int phy_addr,
111 struct mdio_ops *mdio_ops)
112 {
113 struct cphy *cphy = t1_os_malloc_wait_zero(sizeof(*cphy));
114
115 if (!cphy)
116 return NULL;
117
118 cphy->ops = &xpak_ops;
119 cphy->adapter = adapter;
120 cphy->mdio_read = mdio_ops->read;
121 cphy->mdio_write = mdio_ops->write;
122 return cphy;
123 }
124
xpak_phy_reset(adapter_t * adapter)125 static int xpak_phy_reset(adapter_t *adapter)
126 {
127 u32 val;
128
129 (void) t1_tpi_read(adapter, A_ELMER0_GPO, &val);
130 val &= ~4;
131 (void) t1_tpi_write(adapter, A_ELMER0_GPO, val);
132 DELAY_MS(100);
133
134 /*
135 * Errata #26 states to wait 5 seconds after reset before transceiver
136 * becomes operational.
137 */
138 (void) t1_tpi_write(adapter, A_ELMER0_GPO, val | 4);
139 DELAY_MS(5000);
140
141 /* Now lets enable the Laser. Delay 100us
142 * as defined in XPAK errata.
143 */
144 (void) t1_tpi_read(adapter, A_ELMER0_GPO, &val);
145 val |= 0x8000;
146 (void) t1_tpi_write(adapter, A_ELMER0_GPO, val);
147 DELAY_US(100);
148 return 0;
149 }
150
151 struct gphy t1_xpak_ops = {
152 xpak_phy_create,
153 xpak_phy_reset
154 };
155
156