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authorHerbert Valerio Riedel <hvr@gnu.org>2006-05-07 17:22:53 -0400
committerJeff Garzik <jeff@garzik.org>2006-05-24 02:51:33 -0400
commitc9e055ac4fdbb52622437e0dbfdbc1d4897d2775 (patch)
tree42b5a2fba2fd06d24dda9b6ca7667645940ac5d1 /drivers/net/phy/smsc.c
parentd7fbeba60b4021dfaf5d315884fbf7672b4ae87b (diff)
[PATCH] phy: new SMSC LAN83C185 PHY driver
new SMSC LAN83C185 10BaseT/100BaseTX PHY driver for the PHY subsystem Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/phy/smsc.c')
-rw-r--r--drivers/net/phy/smsc.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c
new file mode 100644
index 000000000000..25e31fb5cb31
--- /dev/null
+++ b/drivers/net/phy/smsc.c
@@ -0,0 +1,101 @@
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 *
15 */
16
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>
24
25#define MII_LAN83C185_ISF 29 /* Interrupt Source Flags */
26#define MII_LAN83C185_IM 30 /* Interrupt Mask */
27
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 */
35
36#define MII_LAN83C185_ISF_INT_ALL (0x0e)
37
38#define MII_LAN83C185_ISF_INT_PHYLIB_EVENTS \
39 (MII_LAN83C185_ISF_INT6 | MII_LAN83C185_ISF_INT4)
40
41
42static int lan83c185_config_intr(struct phy_device *phydev)
43{
44 int rc = phy_write (phydev, MII_LAN83C185_IM,
45 ((PHY_INTERRUPT_ENABLED == phydev->interrupts)
46 ? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS
47 : 0));
48
49 return rc < 0 ? rc : 0;
50}
51
52static int lan83c185_ack_interrupt(struct phy_device *phydev)
53{
54 int rc = phy_read (phydev, MII_LAN83C185_ISF);
55
56 return rc < 0 ? rc : 0;
57}
58
59static int lan83c185_config_init(struct phy_device *phydev)
60{
61 return lan83c185_ack_interrupt (phydev);
62}
63
64
65static struct phy_driver lan83c185_driver = {
66 .phy_id = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */
67 .phy_id_mask = 0xfffffff0,
68 .name = "SMSC LAN83C185",
69
70 .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
71 | SUPPORTED_Asym_Pause),
72 .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
73
74 /* basic functions */
75 .config_aneg = genphy_config_aneg,
76 .read_status = genphy_read_status,
77 .config_init = lan83c185_config_init,
78
79 /* IRQ related */
80 .ack_interrupt = lan83c185_ack_interrupt,
81 .config_intr = lan83c185_config_intr,
82
83 .driver = { .owner = THIS_MODULE, }
84};
85
86static int __init smsc_init(void)
87{
88 return phy_driver_register (&lan83c185_driver);
89}
90
91static void __exit smsc_exit(void)
92{
93 phy_driver_unregister (&lan83c185_driver);
94}
95
96MODULE_DESCRIPTION("SMSC PHY driver");
97MODULE_AUTHOR("Herbert Valerio Riedel");
98MODULE_LICENSE("GPL");
99
100module_init(smsc_init);
101module_exit(smsc_exit);