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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 */ | |
698244ac | 28 | #define MII_LAN83C185_CTRL_STATUS 17 /* Mode/Status Register */ |
c9e055ac HVR |
29 | |
30 | #define MII_LAN83C185_ISF_INT1 (1<<1) /* Auto-Negotiation Page Received */ | |
31 | #define MII_LAN83C185_ISF_INT2 (1<<2) /* Parallel Detection Fault */ | |
32 | #define MII_LAN83C185_ISF_INT3 (1<<3) /* Auto-Negotiation LP Ack */ | |
33 | #define MII_LAN83C185_ISF_INT4 (1<<4) /* Link Down */ | |
34 | #define MII_LAN83C185_ISF_INT5 (1<<5) /* Remote Fault Detected */ | |
35 | #define MII_LAN83C185_ISF_INT6 (1<<6) /* Auto-Negotiation complete */ | |
36 | #define MII_LAN83C185_ISF_INT7 (1<<7) /* ENERGYON */ | |
37 | ||
38 | #define MII_LAN83C185_ISF_INT_ALL (0x0e) | |
39 | ||
40 | #define MII_LAN83C185_ISF_INT_PHYLIB_EVENTS \ | |
698244ac GC |
41 | (MII_LAN83C185_ISF_INT6 | MII_LAN83C185_ISF_INT4 | \ |
42 | MII_LAN83C185_ISF_INT7) | |
c9e055ac | 43 | |
698244ac | 44 | #define MII_LAN83C185_EDPWRDOWN (1 << 13) /* EDPWRDOWN */ |
c9e055ac | 45 | |
48c41b99 | 46 | static int smsc_phy_config_intr(struct phy_device *phydev) |
c9e055ac HVR |
47 | { |
48 | int rc = phy_write (phydev, MII_LAN83C185_IM, | |
49 | ((PHY_INTERRUPT_ENABLED == phydev->interrupts) | |
50 | ? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS | |
51 | : 0)); | |
52 | ||
53 | return rc < 0 ? rc : 0; | |
54 | } | |
55 | ||
48c41b99 | 56 | static int smsc_phy_ack_interrupt(struct phy_device *phydev) |
c9e055ac HVR |
57 | { |
58 | int rc = phy_read (phydev, MII_LAN83C185_ISF); | |
59 | ||
60 | return rc < 0 ? rc : 0; | |
61 | } | |
62 | ||
48c41b99 | 63 | static int smsc_phy_config_init(struct phy_device *phydev) |
c9e055ac | 64 | { |
698244ac GC |
65 | int rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS); |
66 | if (rc < 0) | |
67 | return rc; | |
68 | ||
69 | /* Enable energy detect mode for this SMSC Transceivers */ | |
70 | rc = phy_write(phydev, MII_LAN83C185_CTRL_STATUS, | |
71 | rc | MII_LAN83C185_EDPWRDOWN); | |
72 | if (rc < 0) | |
73 | return rc; | |
74 | ||
48c41b99 | 75 | return smsc_phy_ack_interrupt (phydev); |
c9e055ac HVR |
76 | } |
77 | ||
698244ac GC |
78 | static int lan911x_config_init(struct phy_device *phydev) |
79 | { | |
80 | return smsc_phy_ack_interrupt(phydev); | |
81 | } | |
c9e055ac HVR |
82 | |
83 | static struct phy_driver lan83c185_driver = { | |
84 | .phy_id = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */ | |
85 | .phy_id_mask = 0xfffffff0, | |
86 | .name = "SMSC LAN83C185", | |
87 | ||
88 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
89 | | SUPPORTED_Asym_Pause), | |
90 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
91 | ||
92 | /* basic functions */ | |
93 | .config_aneg = genphy_config_aneg, | |
94 | .read_status = genphy_read_status, | |
48c41b99 | 95 | .config_init = smsc_phy_config_init, |
c9e055ac HVR |
96 | |
97 | /* IRQ related */ | |
48c41b99 SG |
98 | .ack_interrupt = smsc_phy_ack_interrupt, |
99 | .config_intr = smsc_phy_config_intr, | |
c9e055ac | 100 | |
c64d2a9a SG |
101 | .suspend = genphy_suspend, |
102 | .resume = genphy_resume, | |
103 | ||
c9e055ac HVR |
104 | .driver = { .owner = THIS_MODULE, } |
105 | }; | |
106 | ||
4d9b1a02 SG |
107 | static struct phy_driver lan8187_driver = { |
108 | .phy_id = 0x0007c0b0, /* OUI=0x00800f, Model#=0x0b */ | |
109 | .phy_id_mask = 0xfffffff0, | |
110 | .name = "SMSC LAN8187", | |
111 | ||
112 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
113 | | SUPPORTED_Asym_Pause), | |
114 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
115 | ||
116 | /* basic functions */ | |
117 | .config_aneg = genphy_config_aneg, | |
118 | .read_status = genphy_read_status, | |
119 | .config_init = smsc_phy_config_init, | |
120 | ||
121 | /* IRQ related */ | |
122 | .ack_interrupt = smsc_phy_ack_interrupt, | |
123 | .config_intr = smsc_phy_config_intr, | |
124 | ||
c64d2a9a SG |
125 | .suspend = genphy_suspend, |
126 | .resume = genphy_resume, | |
127 | ||
4d9b1a02 SG |
128 | .driver = { .owner = THIS_MODULE, } |
129 | }; | |
130 | ||
131 | static struct phy_driver lan8700_driver = { | |
132 | .phy_id = 0x0007c0c0, /* OUI=0x00800f, Model#=0x0c */ | |
133 | .phy_id_mask = 0xfffffff0, | |
134 | .name = "SMSC LAN8700", | |
135 | ||
136 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
137 | | SUPPORTED_Asym_Pause), | |
138 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
139 | ||
140 | /* basic functions */ | |
141 | .config_aneg = genphy_config_aneg, | |
142 | .read_status = genphy_read_status, | |
143 | .config_init = smsc_phy_config_init, | |
144 | ||
145 | /* IRQ related */ | |
146 | .ack_interrupt = smsc_phy_ack_interrupt, | |
147 | .config_intr = smsc_phy_config_intr, | |
148 | ||
c64d2a9a SG |
149 | .suspend = genphy_suspend, |
150 | .resume = genphy_resume, | |
151 | ||
4d9b1a02 SG |
152 | .driver = { .owner = THIS_MODULE, } |
153 | }; | |
154 | ||
fd9abb3d SG |
155 | static struct phy_driver lan911x_int_driver = { |
156 | .phy_id = 0x0007c0d0, /* OUI=0x00800f, Model#=0x0d */ | |
157 | .phy_id_mask = 0xfffffff0, | |
158 | .name = "SMSC LAN911x Internal PHY", | |
159 | ||
160 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
161 | | SUPPORTED_Asym_Pause), | |
162 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
163 | ||
164 | /* basic functions */ | |
165 | .config_aneg = genphy_config_aneg, | |
166 | .read_status = genphy_read_status, | |
698244ac | 167 | .config_init = lan911x_config_init, |
fd9abb3d SG |
168 | |
169 | /* IRQ related */ | |
170 | .ack_interrupt = smsc_phy_ack_interrupt, | |
171 | .config_intr = smsc_phy_config_intr, | |
172 | ||
c64d2a9a SG |
173 | .suspend = genphy_suspend, |
174 | .resume = genphy_resume, | |
175 | ||
fd9abb3d SG |
176 | .driver = { .owner = THIS_MODULE, } |
177 | }; | |
178 | ||
e072b639 SG |
179 | static struct phy_driver lan8710_driver = { |
180 | .phy_id = 0x0007c0f0, /* OUI=0x00800f, Model#=0x0f */ | |
181 | .phy_id_mask = 0xfffffff0, | |
182 | .name = "SMSC LAN8710/LAN8720", | |
183 | ||
184 | .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | |
185 | | SUPPORTED_Asym_Pause), | |
186 | .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, | |
187 | ||
188 | /* basic functions */ | |
189 | .config_aneg = genphy_config_aneg, | |
190 | .read_status = genphy_read_status, | |
191 | .config_init = smsc_phy_config_init, | |
192 | ||
193 | /* IRQ related */ | |
194 | .ack_interrupt = smsc_phy_ack_interrupt, | |
195 | .config_intr = smsc_phy_config_intr, | |
196 | ||
197 | .suspend = genphy_suspend, | |
198 | .resume = genphy_resume, | |
199 | ||
200 | .driver = { .owner = THIS_MODULE, } | |
201 | }; | |
202 | ||
c9e055ac HVR |
203 | static int __init smsc_init(void) |
204 | { | |
4d9b1a02 SG |
205 | int ret; |
206 | ||
207 | ret = phy_driver_register (&lan83c185_driver); | |
208 | if (ret) | |
209 | goto err1; | |
210 | ||
211 | ret = phy_driver_register (&lan8187_driver); | |
212 | if (ret) | |
213 | goto err2; | |
214 | ||
215 | ret = phy_driver_register (&lan8700_driver); | |
216 | if (ret) | |
217 | goto err3; | |
218 | ||
fd9abb3d SG |
219 | ret = phy_driver_register (&lan911x_int_driver); |
220 | if (ret) | |
221 | goto err4; | |
222 | ||
e072b639 SG |
223 | ret = phy_driver_register (&lan8710_driver); |
224 | if (ret) | |
225 | goto err5; | |
226 | ||
4d9b1a02 SG |
227 | return 0; |
228 | ||
e072b639 SG |
229 | err5: |
230 | phy_driver_unregister (&lan911x_int_driver); | |
fd9abb3d SG |
231 | err4: |
232 | phy_driver_unregister (&lan8700_driver); | |
4d9b1a02 SG |
233 | err3: |
234 | phy_driver_unregister (&lan8187_driver); | |
235 | err2: | |
236 | phy_driver_unregister (&lan83c185_driver); | |
237 | err1: | |
238 | return ret; | |
c9e055ac HVR |
239 | } |
240 | ||
241 | static void __exit smsc_exit(void) | |
242 | { | |
e072b639 | 243 | phy_driver_unregister (&lan8710_driver); |
fd9abb3d | 244 | phy_driver_unregister (&lan911x_int_driver); |
4d9b1a02 SG |
245 | phy_driver_unregister (&lan8700_driver); |
246 | phy_driver_unregister (&lan8187_driver); | |
c9e055ac HVR |
247 | phy_driver_unregister (&lan83c185_driver); |
248 | } | |
249 | ||
250 | MODULE_DESCRIPTION("SMSC PHY driver"); | |
251 | MODULE_AUTHOR("Herbert Valerio Riedel"); | |
252 | MODULE_LICENSE("GPL"); | |
253 | ||
254 | module_init(smsc_init); | |
255 | module_exit(smsc_exit); | |
4e4f10f6 DW |
256 | |
257 | static struct mdio_device_id smsc_tbl[] = { | |
258 | { 0x0007c0a0, 0xfffffff0 }, | |
259 | { 0x0007c0b0, 0xfffffff0 }, | |
260 | { 0x0007c0c0, 0xfffffff0 }, | |
261 | { 0x0007c0d0, 0xfffffff0 }, | |
262 | { 0x0007c0f0, 0xfffffff0 }, | |
263 | { } | |
264 | }; | |
265 | ||
266 | MODULE_DEVICE_TABLE(mdio, smsc_tbl); |