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); | ||
