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c9e055ac HVR |
1 | /* |
2 | * drivers/net/phy/smsc.c | |
3 | * | |
4 | * Driver for SMSC PHYs | |
5 | * | |
6 | * Author: Herbert Valerio Riedel | |
7 | * | |
8 | * Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License as published by the | |
12 | * Free Software Foundation; either version 2 of the License, or (at your | |
13 | * option) any later version. | |
14 | * | |
4d9b1a02 SG |
15 | * Support added for SMSC LAN8187 and LAN8700 by steve.glendinning@smsc.com |
16 | * | |
c9e055ac HVR |
17 | */ |
18 | ||
c9e055ac HVR |
19 | #include <linux/kernel.h> |
20 | #include <linux/module.h> | |
21 | #include <linux/mii.h> | |
22 | #include <linux/ethtool.h> | |
23 | #include <linux/phy.h> | |
24 | #include <linux/netdevice.h> | |
25 | ||
26 | #define MII_LAN83C185_ISF 29 /* Interrupt Source Flags */ | |
27 | #define MII_LAN83C185_IM 30 /* Interrupt Mask */ | |
28 | ||
29 | #define MII_LAN83C185_ISF_INT1 (1<<1) /* Auto-Negotiation Page Received */ | |
30 | #define MII_LAN83C185_ISF_INT2 (1<<2) /* Parallel Detection Fault */ | |
31 | #define MII_LAN83C185_ISF_INT3 (1<<3) /* Auto-Negotiation LP Ack */ | |
32 | #define MII_LAN83C185_ISF_INT4 (1<<4) /* Link Down */ | |
33 | #define MII_LAN83C185_ISF_INT5 (1<<5) /* Remote Fault Detected */ | |
34 | #define MII_LAN83C185_ISF_INT6 (1<<6) /* Auto-Negotiation complete */ | |
35 | #define MII_LAN83C185_ISF_INT7 (1<<7) /* ENERGYON */ | |
36 | ||
37 | #define MII_LAN83C185_ISF_INT_ALL (0x0e) | |
38 | ||
39 | #define MII_LAN83C185_ISF_INT_PHYLIB_EVENTS \ | |
40 | (MII_LAN83C185_ISF_INT6 | MII_LAN83C185_ISF_INT4) | |
41 | ||
42 | ||
48c41b99 | 43 | static int smsc_phy_config_intr(struct phy_device *phydev) |
c9e055ac HVR |
44 | { |
45 | int rc = phy_write (phydev, MII_LAN83C185_IM, | |
46 | ((PHY_INTERRUPT_ENABLED == phydev->interrupts) | |
47 | ? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS | |
48 | : 0)); | |
49 | ||
50 | return rc < 0 ? rc : 0; | |
51 | } | |
52 | ||
48c41b99 | 53 | static int smsc_phy_ack_interrupt(struct phy_device *phydev) |
c9e055ac HVR |
54 | { |
55 | int rc = phy_read (phydev, MII_LAN83C185_ISF); | |
56 | ||
57 | return rc < 0 ? rc : 0; | |
58 | } | |
59 | ||
48c41b99 | 60 | static int smsc_phy_config_init(struct phy_device *phydev) |
c9e055ac | 61 | { |
48c41b99 | 62 | return smsc_phy_ack_interrupt (phydev); |
c9e055ac HVR |
63 | } |
64 | ||
65 | ||
66 | static struct phy_driver lan83c185_driver = { | |
67 | .phy_id = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */ | |
68 | .phy_id_mask = 0xfffffff0, | |
69 | .name = "SMSC LAN83C185", | |
70 | ||
71 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
72 | | SUPPORTED_Asym_Pause), | |
73 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
74 | ||
75 | /* basic functions */ | |
76 | .config_aneg = genphy_config_aneg, | |
77 | .read_status = genphy_read_status, | |
48c41b99 | 78 | .config_init = smsc_phy_config_init, |
c9e055ac HVR |
79 | |
80 | /* IRQ related */ | |
48c41b99 SG |
81 | .ack_interrupt = smsc_phy_ack_interrupt, |
82 | .config_intr = smsc_phy_config_intr, | |
c9e055ac HVR |
83 | |
84 | .driver = { .owner = THIS_MODULE, } | |
85 | }; | |
86 | ||
4d9b1a02 SG |
87 | static struct phy_driver lan8187_driver = { |
88 | .phy_id = 0x0007c0b0, /* OUI=0x00800f, Model#=0x0b */ | |
89 | .phy_id_mask = 0xfffffff0, | |
90 | .name = "SMSC LAN8187", | |
91 | ||
92 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
93 | | SUPPORTED_Asym_Pause), | |
94 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
95 | ||
96 | /* basic functions */ | |
97 | .config_aneg = genphy_config_aneg, | |
98 | .read_status = genphy_read_status, | |
99 | .config_init = smsc_phy_config_init, | |
100 | ||
101 | /* IRQ related */ | |
102 | .ack_interrupt = smsc_phy_ack_interrupt, | |
103 | .config_intr = smsc_phy_config_intr, | |
104 | ||
105 | .driver = { .owner = THIS_MODULE, } | |
106 | }; | |
107 | ||
108 | static struct phy_driver lan8700_driver = { | |
109 | .phy_id = 0x0007c0c0, /* OUI=0x00800f, Model#=0x0c */ | |
110 | .phy_id_mask = 0xfffffff0, | |
111 | .name = "SMSC LAN8700", | |
112 | ||
113 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
114 | | SUPPORTED_Asym_Pause), | |
115 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
116 | ||
117 | /* basic functions */ | |
118 | .config_aneg = genphy_config_aneg, | |
119 | .read_status = genphy_read_status, | |
120 | .config_init = smsc_phy_config_init, | |
121 | ||
122 | /* IRQ related */ | |
123 | .ack_interrupt = smsc_phy_ack_interrupt, | |
124 | .config_intr = smsc_phy_config_intr, | |
125 | ||
126 | .driver = { .owner = THIS_MODULE, } | |
127 | }; | |
128 | ||
c9e055ac HVR |
129 | static int __init smsc_init(void) |
130 | { | |
4d9b1a02 SG |
131 | int ret; |
132 | ||
133 | ret = phy_driver_register (&lan83c185_driver); | |
134 | if (ret) | |
135 | goto err1; | |
136 | ||
137 | ret = phy_driver_register (&lan8187_driver); | |
138 | if (ret) | |
139 | goto err2; | |
140 | ||
141 | ret = phy_driver_register (&lan8700_driver); | |
142 | if (ret) | |
143 | goto err3; | |
144 | ||
145 | return 0; | |
146 | ||
147 | err3: | |
148 | phy_driver_unregister (&lan8187_driver); | |
149 | err2: | |
150 | phy_driver_unregister (&lan83c185_driver); | |
151 | err1: | |
152 | return ret; | |
c9e055ac HVR |
153 | } |
154 | ||
155 | static void __exit smsc_exit(void) | |
156 | { | |
4d9b1a02 SG |
157 | phy_driver_unregister (&lan8700_driver); |
158 | phy_driver_unregister (&lan8187_driver); | |
c9e055ac HVR |
159 | phy_driver_unregister (&lan83c185_driver); |
160 | } | |
161 | ||
162 | MODULE_DESCRIPTION("SMSC PHY driver"); | |
163 | MODULE_AUTHOR("Herbert Valerio Riedel"); | |
164 | MODULE_LICENSE("GPL"); | |
165 | ||
166 | module_init(smsc_init); | |
167 | module_exit(smsc_exit); |