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.
17 #include <linux/config.h>
18 #include <linux/kernel.h>
19 #include <linux/module.h>
20 #include <linux/mii.h>
21 #include <linux/ethtool.h>
22 #include <linux/phy.h>
23 #include <linux/netdevice.h>
25 #define MII_LAN83C185_ISF 29 /* Interrupt Source Flags */
26 #define MII_LAN83C185_IM 30 /* Interrupt Mask */
28 #define MII_LAN83C185_ISF_INT1 (1<<1) /* Auto-Negotiation Page Received */
29 #define MII_LAN83C185_ISF_INT2 (1<<2) /* Parallel Detection Fault */
30 #define MII_LAN83C185_ISF_INT3 (1<<3) /* Auto-Negotiation LP Ack */
31 #define MII_LAN83C185_ISF_INT4 (1<<4) /* Link Down */
32 #define MII_LAN83C185_ISF_INT5 (1<<5) /* Remote Fault Detected */
33 #define MII_LAN83C185_ISF_INT6 (1<<6) /* Auto-Negotiation complete */
34 #define MII_LAN83C185_ISF_INT7 (1<<7) /* ENERGYON */
36 #define MII_LAN83C185_ISF_INT_ALL (0x0e)
38 #define MII_LAN83C185_ISF_INT_PHYLIB_EVENTS \
39 (MII_LAN83C185_ISF_INT6 | MII_LAN83C185_ISF_INT4)
42 static int lan83c185_config_intr(struct phy_device *phydev)
44 int rc = phy_write (phydev, MII_LAN83C185_IM,
45 ((PHY_INTERRUPT_ENABLED == phydev->interrupts)
46 ? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS
49 return rc < 0 ? rc : 0;
52 static int lan83c185_ack_interrupt(struct phy_device *phydev)
54 int rc = phy_read (phydev, MII_LAN83C185_ISF);
56 return rc < 0 ? rc : 0;
59 static int lan83c185_config_init(struct phy_device *phydev)
61 return lan83c185_ack_interrupt (phydev);
65 static struct phy_driver lan83c185_driver = {
66 .phy_id = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */
67 .phy_id_mask = 0xfffffff0,
68 .name = "SMSC LAN83C185",
70 .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
71 | SUPPORTED_Asym_Pause),
72 .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
75 .config_aneg = genphy_config_aneg,
76 .read_status = genphy_read_status,
77 .config_init = lan83c185_config_init,
80 .ack_interrupt = lan83c185_ack_interrupt,
81 .config_intr = lan83c185_config_intr,
83 .driver = { .owner = THIS_MODULE, }
86 static int __init smsc_init(void)
88 return phy_driver_register (&lan83c185_driver);
91 static void __exit smsc_exit(void)
93 phy_driver_unregister (&lan83c185_driver);
96 MODULE_DESCRIPTION("SMSC PHY driver");
97 MODULE_AUTHOR("Herbert Valerio Riedel");
98 MODULE_LICENSE("GPL");
100 module_init(smsc_init);
101 module_exit(smsc_exit);