diff options
Diffstat (limited to 'drivers/net/phy/smsc.c')
-rw-r--r-- | drivers/net/phy/smsc.c | 101 |
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 | |||
42 | static 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 | |||
52 | static 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 | |||
59 | static int lan83c185_config_init(struct phy_device *phydev) | ||
60 | { | ||
61 | return lan83c185_ack_interrupt (phydev); | ||
62 | } | ||
63 | |||
64 | |||
65 | static 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 | |||
86 | static int __init smsc_init(void) | ||
87 | { | ||
88 | return phy_driver_register (&lan83c185_driver); | ||
89 | } | ||
90 | |||
91 | static void __exit smsc_exit(void) | ||
92 | { | ||
93 | phy_driver_unregister (&lan83c185_driver); | ||
94 | } | ||
95 | |||
96 | MODULE_DESCRIPTION("SMSC PHY driver"); | ||
97 | MODULE_AUTHOR("Herbert Valerio Riedel"); | ||
98 | MODULE_LICENSE("GPL"); | ||
99 | |||
100 | module_init(smsc_init); | ||
101 | module_exit(smsc_exit); | ||