2 * drivers/net/phy/smsc.c
6 * Author: Herbert Valerio Riedel
8 * Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
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.
15 * Support added for SMSC LAN8187 and LAN8700 by steve.glendinning@smsc.com
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>
26 #define MII_LAN83C185_ISF 29 /* Interrupt Source Flags */
27 #define MII_LAN83C185_IM 30 /* Interrupt Mask */
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 */
37 #define MII_LAN83C185_ISF_INT_ALL (0x0e)
39 #define MII_LAN83C185_ISF_INT_PHYLIB_EVENTS \
40 (MII_LAN83C185_ISF_INT6 | MII_LAN83C185_ISF_INT4)
43 static int smsc_phy_config_intr(struct phy_device
*phydev
)
45 int rc
= phy_write (phydev
, MII_LAN83C185_IM
,
46 ((PHY_INTERRUPT_ENABLED
== phydev
->interrupts
)
47 ? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS
50 return rc
< 0 ? rc
: 0;
53 static int smsc_phy_ack_interrupt(struct phy_device
*phydev
)
55 int rc
= phy_read (phydev
, MII_LAN83C185_ISF
);
57 return rc
< 0 ? rc
: 0;
60 static int smsc_phy_config_init(struct phy_device
*phydev
)
62 return smsc_phy_ack_interrupt (phydev
);
66 static struct phy_driver lan83c185_driver
= {
67 .phy_id
= 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */
68 .phy_id_mask
= 0xfffffff0,
69 .name
= "SMSC LAN83C185",
71 .features
= (PHY_BASIC_FEATURES
| SUPPORTED_Pause
72 | SUPPORTED_Asym_Pause
),
73 .flags
= PHY_HAS_INTERRUPT
| PHY_HAS_MAGICANEG
,
76 .config_aneg
= genphy_config_aneg
,
77 .read_status
= genphy_read_status
,
78 .config_init
= smsc_phy_config_init
,
81 .ack_interrupt
= smsc_phy_ack_interrupt
,
82 .config_intr
= smsc_phy_config_intr
,
84 .driver
= { .owner
= THIS_MODULE
, }
87 static struct phy_driver lan8187_driver
= {
88 .phy_id
= 0x0007c0b0, /* OUI=0x00800f, Model#=0x0b */
89 .phy_id_mask
= 0xfffffff0,
90 .name
= "SMSC LAN8187",
92 .features
= (PHY_BASIC_FEATURES
| SUPPORTED_Pause
93 | SUPPORTED_Asym_Pause
),
94 .flags
= PHY_HAS_INTERRUPT
| PHY_HAS_MAGICANEG
,
97 .config_aneg
= genphy_config_aneg
,
98 .read_status
= genphy_read_status
,
99 .config_init
= smsc_phy_config_init
,
102 .ack_interrupt
= smsc_phy_ack_interrupt
,
103 .config_intr
= smsc_phy_config_intr
,
105 .driver
= { .owner
= THIS_MODULE
, }
108 static struct phy_driver lan8700_driver
= {
109 .phy_id
= 0x0007c0c0, /* OUI=0x00800f, Model#=0x0c */
110 .phy_id_mask
= 0xfffffff0,
111 .name
= "SMSC LAN8700",
113 .features
= (PHY_BASIC_FEATURES
| SUPPORTED_Pause
114 | SUPPORTED_Asym_Pause
),
115 .flags
= PHY_HAS_INTERRUPT
| PHY_HAS_MAGICANEG
,
117 /* basic functions */
118 .config_aneg
= genphy_config_aneg
,
119 .read_status
= genphy_read_status
,
120 .config_init
= smsc_phy_config_init
,
123 .ack_interrupt
= smsc_phy_ack_interrupt
,
124 .config_intr
= smsc_phy_config_intr
,
126 .driver
= { .owner
= THIS_MODULE
, }
129 static struct phy_driver lan911x_int_driver
= {
130 .phy_id
= 0x0007c0d0, /* OUI=0x00800f, Model#=0x0d */
131 .phy_id_mask
= 0xfffffff0,
132 .name
= "SMSC LAN911x Internal PHY",
134 .features
= (PHY_BASIC_FEATURES
| SUPPORTED_Pause
135 | SUPPORTED_Asym_Pause
),
136 .flags
= PHY_HAS_INTERRUPT
| PHY_HAS_MAGICANEG
,
138 /* basic functions */
139 .config_aneg
= genphy_config_aneg
,
140 .read_status
= genphy_read_status
,
141 .config_init
= smsc_phy_config_init
,
144 .ack_interrupt
= smsc_phy_ack_interrupt
,
145 .config_intr
= smsc_phy_config_intr
,
147 .driver
= { .owner
= THIS_MODULE
, }
150 static int __init
smsc_init(void)
154 ret
= phy_driver_register (&lan83c185_driver
);
158 ret
= phy_driver_register (&lan8187_driver
);
162 ret
= phy_driver_register (&lan8700_driver
);
166 ret
= phy_driver_register (&lan911x_int_driver
);
173 phy_driver_unregister (&lan8700_driver
);
175 phy_driver_unregister (&lan8187_driver
);
177 phy_driver_unregister (&lan83c185_driver
);
182 static void __exit
smsc_exit(void)
184 phy_driver_unregister (&lan911x_int_driver
);
185 phy_driver_unregister (&lan8700_driver
);
186 phy_driver_unregister (&lan8187_driver
);
187 phy_driver_unregister (&lan83c185_driver
);
190 MODULE_DESCRIPTION("SMSC PHY driver");
191 MODULE_AUTHOR("Herbert Valerio Riedel");
192 MODULE_LICENSE("GPL");
194 module_init(smsc_init
);
195 module_exit(smsc_exit
);