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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> | |
43c6759e | 25 | #include <linux/smscphy.h> |
c9e055ac | 26 | |
48c41b99 | 27 | static int smsc_phy_config_intr(struct phy_device *phydev) |
c9e055ac HVR |
28 | { |
29 | int rc = phy_write (phydev, MII_LAN83C185_IM, | |
30 | ((PHY_INTERRUPT_ENABLED == phydev->interrupts) | |
31 | ? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS | |
32 | : 0)); | |
33 | ||
34 | return rc < 0 ? rc : 0; | |
35 | } | |
36 | ||
48c41b99 | 37 | static int smsc_phy_ack_interrupt(struct phy_device *phydev) |
c9e055ac HVR |
38 | { |
39 | int rc = phy_read (phydev, MII_LAN83C185_ISF); | |
40 | ||
41 | return rc < 0 ? rc : 0; | |
42 | } | |
43 | ||
48c41b99 | 44 | static int smsc_phy_config_init(struct phy_device *phydev) |
c9e055ac | 45 | { |
698244ac GC |
46 | int rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS); |
47 | if (rc < 0) | |
48 | return rc; | |
49 | ||
50 | /* Enable energy detect mode for this SMSC Transceivers */ | |
51 | rc = phy_write(phydev, MII_LAN83C185_CTRL_STATUS, | |
52 | rc | MII_LAN83C185_EDPWRDOWN); | |
53 | if (rc < 0) | |
54 | return rc; | |
55 | ||
48c41b99 | 56 | return smsc_phy_ack_interrupt (phydev); |
c9e055ac HVR |
57 | } |
58 | ||
698244ac GC |
59 | static int lan911x_config_init(struct phy_device *phydev) |
60 | { | |
61 | return smsc_phy_ack_interrupt(phydev); | |
62 | } | |
c9e055ac HVR |
63 | |
64 | static struct phy_driver lan83c185_driver = { | |
65 | .phy_id = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */ | |
66 | .phy_id_mask = 0xfffffff0, | |
67 | .name = "SMSC LAN83C185", | |
68 | ||
69 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
70 | | SUPPORTED_Asym_Pause), | |
71 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
72 | ||
73 | /* basic functions */ | |
74 | .config_aneg = genphy_config_aneg, | |
75 | .read_status = genphy_read_status, | |
48c41b99 | 76 | .config_init = smsc_phy_config_init, |
c9e055ac HVR |
77 | |
78 | /* IRQ related */ | |
48c41b99 SG |
79 | .ack_interrupt = smsc_phy_ack_interrupt, |
80 | .config_intr = smsc_phy_config_intr, | |
c9e055ac | 81 | |
c64d2a9a SG |
82 | .suspend = genphy_suspend, |
83 | .resume = genphy_resume, | |
84 | ||
c9e055ac HVR |
85 | .driver = { .owner = THIS_MODULE, } |
86 | }; | |
87 | ||
4d9b1a02 SG |
88 | static struct phy_driver lan8187_driver = { |
89 | .phy_id = 0x0007c0b0, /* OUI=0x00800f, Model#=0x0b */ | |
90 | .phy_id_mask = 0xfffffff0, | |
91 | .name = "SMSC LAN8187", | |
92 | ||
93 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
94 | | SUPPORTED_Asym_Pause), | |
95 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
96 | ||
97 | /* basic functions */ | |
98 | .config_aneg = genphy_config_aneg, | |
99 | .read_status = genphy_read_status, | |
100 | .config_init = smsc_phy_config_init, | |
101 | ||
102 | /* IRQ related */ | |
103 | .ack_interrupt = smsc_phy_ack_interrupt, | |
104 | .config_intr = smsc_phy_config_intr, | |
105 | ||
c64d2a9a SG |
106 | .suspend = genphy_suspend, |
107 | .resume = genphy_resume, | |
108 | ||
4d9b1a02 SG |
109 | .driver = { .owner = THIS_MODULE, } |
110 | }; | |
111 | ||
112 | static struct phy_driver lan8700_driver = { | |
113 | .phy_id = 0x0007c0c0, /* OUI=0x00800f, Model#=0x0c */ | |
114 | .phy_id_mask = 0xfffffff0, | |
115 | .name = "SMSC LAN8700", | |
116 | ||
117 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
118 | | SUPPORTED_Asym_Pause), | |
119 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
120 | ||
121 | /* basic functions */ | |
122 | .config_aneg = genphy_config_aneg, | |
123 | .read_status = genphy_read_status, | |
124 | .config_init = smsc_phy_config_init, | |
125 | ||
126 | /* IRQ related */ | |
127 | .ack_interrupt = smsc_phy_ack_interrupt, | |
128 | .config_intr = smsc_phy_config_intr, | |
129 | ||
c64d2a9a SG |
130 | .suspend = genphy_suspend, |
131 | .resume = genphy_resume, | |
132 | ||
4d9b1a02 SG |
133 | .driver = { .owner = THIS_MODULE, } |
134 | }; | |
135 | ||
fd9abb3d SG |
136 | static struct phy_driver lan911x_int_driver = { |
137 | .phy_id = 0x0007c0d0, /* OUI=0x00800f, Model#=0x0d */ | |
138 | .phy_id_mask = 0xfffffff0, | |
139 | .name = "SMSC LAN911x Internal PHY", | |
140 | ||
141 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
142 | | SUPPORTED_Asym_Pause), | |
143 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
144 | ||
145 | /* basic functions */ | |
146 | .config_aneg = genphy_config_aneg, | |
147 | .read_status = genphy_read_status, | |
698244ac | 148 | .config_init = lan911x_config_init, |
fd9abb3d SG |
149 | |
150 | /* IRQ related */ | |
151 | .ack_interrupt = smsc_phy_ack_interrupt, | |
152 | .config_intr = smsc_phy_config_intr, | |
153 | ||
c64d2a9a SG |
154 | .suspend = genphy_suspend, |
155 | .resume = genphy_resume, | |
156 | ||
fd9abb3d SG |
157 | .driver = { .owner = THIS_MODULE, } |
158 | }; | |
159 | ||
e072b639 SG |
160 | static struct phy_driver lan8710_driver = { |
161 | .phy_id = 0x0007c0f0, /* OUI=0x00800f, Model#=0x0f */ | |
162 | .phy_id_mask = 0xfffffff0, | |
163 | .name = "SMSC LAN8710/LAN8720", | |
164 | ||
165 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
166 | | SUPPORTED_Asym_Pause), | |
167 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
168 | ||
169 | /* basic functions */ | |
170 | .config_aneg = genphy_config_aneg, | |
171 | .read_status = genphy_read_status, | |
172 | .config_init = smsc_phy_config_init, | |
173 | ||
174 | /* IRQ related */ | |
175 | .ack_interrupt = smsc_phy_ack_interrupt, | |
176 | .config_intr = smsc_phy_config_intr, | |
177 | ||
178 | .suspend = genphy_suspend, | |
179 | .resume = genphy_resume, | |
180 | ||
181 | .driver = { .owner = THIS_MODULE, } | |
182 | }; | |
183 | ||
c9e055ac HVR |
184 | static int __init smsc_init(void) |
185 | { | |
4d9b1a02 SG |
186 | int ret; |
187 | ||
188 | ret = phy_driver_register (&lan83c185_driver); | |
189 | if (ret) | |
190 | goto err1; | |
191 | ||
192 | ret = phy_driver_register (&lan8187_driver); | |
193 | if (ret) | |
194 | goto err2; | |
195 | ||
196 | ret = phy_driver_register (&lan8700_driver); | |
197 | if (ret) | |
198 | goto err3; | |
199 | ||
fd9abb3d SG |
200 | ret = phy_driver_register (&lan911x_int_driver); |
201 | if (ret) | |
202 | goto err4; | |
203 | ||
e072b639 SG |
204 | ret = phy_driver_register (&lan8710_driver); |
205 | if (ret) | |
206 | goto err5; | |
207 | ||
4d9b1a02 SG |
208 | return 0; |
209 | ||
e072b639 SG |
210 | err5: |
211 | phy_driver_unregister (&lan911x_int_driver); | |
fd9abb3d SG |
212 | err4: |
213 | phy_driver_unregister (&lan8700_driver); | |
4d9b1a02 SG |
214 | err3: |
215 | phy_driver_unregister (&lan8187_driver); | |
216 | err2: | |
217 | phy_driver_unregister (&lan83c185_driver); | |
218 | err1: | |
219 | return ret; | |
c9e055ac HVR |
220 | } |
221 | ||
222 | static void __exit smsc_exit(void) | |
223 | { | |
e072b639 | 224 | phy_driver_unregister (&lan8710_driver); |
fd9abb3d | 225 | phy_driver_unregister (&lan911x_int_driver); |
4d9b1a02 SG |
226 | phy_driver_unregister (&lan8700_driver); |
227 | phy_driver_unregister (&lan8187_driver); | |
c9e055ac HVR |
228 | phy_driver_unregister (&lan83c185_driver); |
229 | } | |
230 | ||
231 | MODULE_DESCRIPTION("SMSC PHY driver"); | |
232 | MODULE_AUTHOR("Herbert Valerio Riedel"); | |
233 | MODULE_LICENSE("GPL"); | |
234 | ||
235 | module_init(smsc_init); | |
236 | module_exit(smsc_exit); | |
4e4f10f6 | 237 | |
cf93c945 | 238 | static struct mdio_device_id __maybe_unused smsc_tbl[] = { |
4e4f10f6 DW |
239 | { 0x0007c0a0, 0xfffffff0 }, |
240 | { 0x0007c0b0, 0xfffffff0 }, | |
241 | { 0x0007c0c0, 0xfffffff0 }, | |
242 | { 0x0007c0d0, 0xfffffff0 }, | |
243 | { 0x0007c0f0, 0xfffffff0 }, | |
244 | { } | |
245 | }; | |
246 | ||
247 | MODULE_DEVICE_TABLE(mdio, smsc_tbl); |