blob: b1d8ed40ad98e541120c6c1e00ff87741b4d8040 [file] [log] [blame]
Herbert Valerio Riedelc9e055a2006-05-07 23:22:53 +02001/*
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 *
15 */
16
Herbert Valerio Riedelc9e055a2006-05-07 23:22:53 +020017#include <linux/kernel.h>
18#include <linux/module.h>
19#include <linux/mii.h>
20#include <linux/ethtool.h>
21#include <linux/phy.h>
22#include <linux/netdevice.h>
23
24#define MII_LAN83C185_ISF 29 /* Interrupt Source Flags */
25#define MII_LAN83C185_IM 30 /* Interrupt Mask */
26
27#define MII_LAN83C185_ISF_INT1 (1<<1) /* Auto-Negotiation Page Received */
28#define MII_LAN83C185_ISF_INT2 (1<<2) /* Parallel Detection Fault */
29#define MII_LAN83C185_ISF_INT3 (1<<3) /* Auto-Negotiation LP Ack */
30#define MII_LAN83C185_ISF_INT4 (1<<4) /* Link Down */
31#define MII_LAN83C185_ISF_INT5 (1<<5) /* Remote Fault Detected */
32#define MII_LAN83C185_ISF_INT6 (1<<6) /* Auto-Negotiation complete */
33#define MII_LAN83C185_ISF_INT7 (1<<7) /* ENERGYON */
34
35#define MII_LAN83C185_ISF_INT_ALL (0x0e)
36
37#define MII_LAN83C185_ISF_INT_PHYLIB_EVENTS \
38 (MII_LAN83C185_ISF_INT6 | MII_LAN83C185_ISF_INT4)
39
40
41static int lan83c185_config_intr(struct phy_device *phydev)
42{
43 int rc = phy_write (phydev, MII_LAN83C185_IM,
44 ((PHY_INTERRUPT_ENABLED == phydev->interrupts)
45 ? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS
46 : 0));
47
48 return rc < 0 ? rc : 0;
49}
50
51static int lan83c185_ack_interrupt(struct phy_device *phydev)
52{
53 int rc = phy_read (phydev, MII_LAN83C185_ISF);
54
55 return rc < 0 ? rc : 0;
56}
57
58static int lan83c185_config_init(struct phy_device *phydev)
59{
60 return lan83c185_ack_interrupt (phydev);
61}
62
63
64static 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,
76 .config_init = lan83c185_config_init,
77
78 /* IRQ related */
79 .ack_interrupt = lan83c185_ack_interrupt,
80 .config_intr = lan83c185_config_intr,
81
82 .driver = { .owner = THIS_MODULE, }
83};
84
85static int __init smsc_init(void)
86{
87 return phy_driver_register (&lan83c185_driver);
88}
89
90static void __exit smsc_exit(void)
91{
92 phy_driver_unregister (&lan83c185_driver);
93}
94
95MODULE_DESCRIPTION("SMSC PHY driver");
96MODULE_AUTHOR("Herbert Valerio Riedel");
97MODULE_LICENSE("GPL");
98
99module_init(smsc_init);
100module_exit(smsc_exit);