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 #ifndef CHELSIO_CPHY_H
27 #define CHELSIO_CPHY_H
28
29 #include "common.h"
30
31 struct mdio_ops {
32 void (*init)(adapter_t *adapter, const struct board_info *bi);
33 int (*read)(adapter_t *adapter, int phy_addr, int mmd_addr,
34 int reg_addr, unsigned int *val);
35 int (*write)(adapter_t *adapter, int phy_addr, int mmd_addr,
36 int reg_addr, unsigned int val);
37 };
38
39 /* PHY interrupt types */
40 enum {
41 cphy_cause_link_change = 0x1,
42 cphy_cause_error = 0x2
43 };
44
45 enum {
46 PHY_LINK_UP = 0x1,
47 PHY_AUTONEG_RDY = 0x2,
48 PHY_AUTONEG_EN = 0x4
49 };
50
51 struct cphy;
52
53 /* PHY operations */
54 struct cphy_ops {
55 void (*destroy)(struct cphy *);
56 int (*reset)(struct cphy *, int wait);
57
58 int (*interrupt_enable)(struct cphy *);
59 int (*interrupt_disable)(struct cphy *);
60 int (*interrupt_clear)(struct cphy *);
61 int (*interrupt_handler)(struct cphy *);
62
63 int (*autoneg_enable)(struct cphy *);
64 int (*autoneg_disable)(struct cphy *);
65 int (*autoneg_restart)(struct cphy *);
66
67 int (*advertise)(struct cphy *phy, unsigned int advertise_map);
68 int (*set_loopback)(struct cphy *, int on);
69 int (*set_speed_duplex)(struct cphy *phy, int speed, int duplex);
70 int (*get_link_status)(struct cphy *phy, int *link_ok, int *speed,
71 int *duplex, int *fc);
72 };
73
74 /* A PHY instance */
75 struct cphy {
76 int addr; /* PHY address */
77 int state; /* Link status state machine */
78 adapter_t *adapter; /* associated adapter */
79
80 ch_cyclic_t phy_update_cyclic;
81
82 u16 bmsr;
83 int count;
84 int act_count;
85 int act_on;
86
87 u32 elmer_gpo;
88
89 struct cphy_ops *ops; /* PHY operations */
90 int (*mdio_read)(adapter_t *adapter, int phy_addr, int mmd_addr,
91 int reg_addr, unsigned int *val);
92 int (*mdio_write)(adapter_t *adapter, int phy_addr, int mmd_addr,
93 int reg_addr, unsigned int val);
94 struct cphy_instance *instance;
95 };
96
97 /* Convenience MDIO read/write wrappers */
mdio_read(struct cphy * cphy,int mmd,int reg,unsigned int * valp)98 static inline int mdio_read(struct cphy *cphy, int mmd, int reg,
99 unsigned int *valp)
100 {
101 return cphy->mdio_read(cphy->adapter, cphy->addr, mmd, reg, valp);
102 }
103
mdio_write(struct cphy * cphy,int mmd,int reg,unsigned int val)104 static inline int mdio_write(struct cphy *cphy, int mmd, int reg,
105 unsigned int val)
106 {
107 return cphy->mdio_write(cphy->adapter, cphy->addr, mmd, reg, val);
108 }
109
simple_mdio_read(struct cphy * cphy,int reg,unsigned int * valp)110 static inline int simple_mdio_read(struct cphy *cphy, int reg,
111 unsigned int *valp)
112 {
113 return mdio_read(cphy, 0, reg, valp);
114 }
115
simple_mdio_write(struct cphy * cphy,int reg,unsigned int val)116 static inline int simple_mdio_write(struct cphy *cphy, int reg,
117 unsigned int val)
118 {
119 return mdio_write(cphy, 0, reg, val);
120 }
121
122 /* Convenience initializer */
cphy_init(struct cphy * phy,adapter_t * adapter,int phy_addr,struct cphy_ops * phy_ops,struct mdio_ops * mdio_ops)123 static inline void cphy_init(struct cphy *phy, adapter_t *adapter,
124 int phy_addr, struct cphy_ops *phy_ops,
125 struct mdio_ops *mdio_ops)
126 {
127 phy->adapter = adapter;
128 phy->addr = phy_addr;
129 phy->ops = phy_ops;
130 if (mdio_ops) {
131 phy->mdio_read = mdio_ops->read;
132 phy->mdio_write = mdio_ops->write;
133 }
134 }
135
136 /* Operations of the PHY-instance factory */
137 struct gphy {
138 /* Construct a PHY instance with the given PHY address */
139 struct cphy *(*create)(adapter_t *adapter, int phy_addr,
140 struct mdio_ops *mdio_ops);
141
142 /*
143 * Reset the PHY chip. This resets the whole PHY chip, not individual
144 * ports.
145 */
146 int (*reset)(adapter_t *adapter);
147 };
148
149 extern struct gphy t1_my3126_ops;
150 extern struct gphy t1_mv88e1xxx_ops;
151 extern struct gphy t1_xpak_ops;
152 extern struct gphy t1_mv88x201x_ops;
153 extern struct gphy t1_dummy_phy_ops;
154 #endif
155