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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 | 83 | |
c64d2a9a SG |
84 | .suspend = genphy_suspend, |
85 | .resume = genphy_resume, | |
86 | ||
c9e055ac HVR |
87 | .driver = { .owner = THIS_MODULE, } |
88 | }; | |
89 | ||
4d9b1a02 SG |
90 | static struct phy_driver lan8187_driver = { |
91 | .phy_id = 0x0007c0b0, /* OUI=0x00800f, Model#=0x0b */ | |
92 | .phy_id_mask = 0xfffffff0, | |
93 | .name = "SMSC LAN8187", | |
94 | ||
95 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
96 | | SUPPORTED_Asym_Pause), | |
97 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
98 | ||
99 | /* basic functions */ | |
100 | .config_aneg = genphy_config_aneg, | |
101 | .read_status = genphy_read_status, | |
102 | .config_init = smsc_phy_config_init, | |
103 | ||
104 | /* IRQ related */ | |
105 | .ack_interrupt = smsc_phy_ack_interrupt, | |
106 | .config_intr = smsc_phy_config_intr, | |
107 | ||
c64d2a9a SG |
108 | .suspend = genphy_suspend, |
109 | .resume = genphy_resume, | |
110 | ||
4d9b1a02 SG |
111 | .driver = { .owner = THIS_MODULE, } |
112 | }; | |
113 | ||
114 | static struct phy_driver lan8700_driver = { | |
115 | .phy_id = 0x0007c0c0, /* OUI=0x00800f, Model#=0x0c */ | |
116 | .phy_id_mask = 0xfffffff0, | |
117 | .name = "SMSC LAN8700", | |
118 | ||
119 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
120 | | SUPPORTED_Asym_Pause), | |
121 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
122 | ||
123 | /* basic functions */ | |
124 | .config_aneg = genphy_config_aneg, | |
125 | .read_status = genphy_read_status, | |
126 | .config_init = smsc_phy_config_init, | |
127 | ||
128 | /* IRQ related */ | |
129 | .ack_interrupt = smsc_phy_ack_interrupt, | |
130 | .config_intr = smsc_phy_config_intr, | |
131 | ||
c64d2a9a SG |
132 | .suspend = genphy_suspend, |
133 | .resume = genphy_resume, | |
134 | ||
4d9b1a02 SG |
135 | .driver = { .owner = THIS_MODULE, } |
136 | }; | |
137 | ||
fd9abb3d SG |
138 | static struct phy_driver lan911x_int_driver = { |
139 | .phy_id = 0x0007c0d0, /* OUI=0x00800f, Model#=0x0d */ | |
140 | .phy_id_mask = 0xfffffff0, | |
141 | .name = "SMSC LAN911x Internal PHY", | |
142 | ||
143 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
144 | | SUPPORTED_Asym_Pause), | |
145 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
146 | ||
147 | /* basic functions */ | |
148 | .config_aneg = genphy_config_aneg, | |
149 | .read_status = genphy_read_status, | |
150 | .config_init = smsc_phy_config_init, | |
151 | ||
152 | /* IRQ related */ | |
153 | .ack_interrupt = smsc_phy_ack_interrupt, | |
154 | .config_intr = smsc_phy_config_intr, | |
155 | ||
c64d2a9a SG |
156 | .suspend = genphy_suspend, |
157 | .resume = genphy_resume, | |
158 | ||
fd9abb3d SG |
159 | .driver = { .owner = THIS_MODULE, } |
160 | }; | |
161 | ||
e072b639 SG |
162 | static struct phy_driver lan8710_driver = { |
163 | .phy_id = 0x0007c0f0, /* OUI=0x00800f, Model#=0x0f */ | |
164 | .phy_id_mask = 0xfffffff0, | |
165 | .name = "SMSC LAN8710/LAN8720", | |
166 | ||
167 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
168 | | SUPPORTED_Asym_Pause), | |
169 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
170 | ||
171 | /* basic functions */ | |
172 | .config_aneg = genphy_config_aneg, | |
173 | .read_status = genphy_read_status, | |
174 | .config_init = smsc_phy_config_init, | |
175 | ||
176 | /* IRQ related */ | |
177 | .ack_interrupt = smsc_phy_ack_interrupt, | |
178 | .config_intr = smsc_phy_config_intr, | |
179 | ||
180 | .suspend = genphy_suspend, | |
181 | .resume = genphy_resume, | |
182 | ||
183 | .driver = { .owner = THIS_MODULE, } | |
184 | }; | |
185 | ||
c9e055ac HVR |
186 | static int __init smsc_init(void) |
187 | { | |
4d9b1a02 SG |
188 | int ret; |
189 | ||
190 | ret = phy_driver_register (&lan83c185_driver); | |
191 | if (ret) | |
192 | goto err1; | |
193 | ||
194 | ret = phy_driver_register (&lan8187_driver); | |
195 | if (ret) | |
196 | goto err2; | |
197 | ||
198 | ret = phy_driver_register (&lan8700_driver); | |
199 | if (ret) | |
200 | goto err3; | |
201 | ||
fd9abb3d SG |
202 | ret = phy_driver_register (&lan911x_int_driver); |
203 | if (ret) | |
204 | goto err4; | |
205 | ||
e072b639 SG |
206 | ret = phy_driver_register (&lan8710_driver); |
207 | if (ret) | |
208 | goto err5; | |
209 | ||
4d9b1a02 SG |
210 | return 0; |
211 | ||
e072b639 SG |
212 | err5: |
213 | phy_driver_unregister (&lan911x_int_driver); | |
fd9abb3d SG |
214 | err4: |
215 | phy_driver_unregister (&lan8700_driver); | |
4d9b1a02 SG |
216 | err3: |
217 | phy_driver_unregister (&lan8187_driver); | |
218 | err2: | |
219 | phy_driver_unregister (&lan83c185_driver); | |
220 | err1: | |
221 | return ret; | |
c9e055ac HVR |
222 | } |
223 | ||
224 | static void __exit smsc_exit(void) | |
225 | { | |
e072b639 | 226 | phy_driver_unregister (&lan8710_driver); |
fd9abb3d | 227 | phy_driver_unregister (&lan911x_int_driver); |
4d9b1a02 SG |
228 | phy_driver_unregister (&lan8700_driver); |
229 | phy_driver_unregister (&lan8187_driver); | |
c9e055ac HVR |
230 | phy_driver_unregister (&lan83c185_driver); |
231 | } | |
232 | ||
233 | MODULE_DESCRIPTION("SMSC PHY driver"); | |
234 | MODULE_AUTHOR("Herbert Valerio Riedel"); | |
235 | MODULE_LICENSE("GPL"); | |
236 | ||
237 | module_init(smsc_init); | |
238 | module_exit(smsc_exit); |