projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| c9e055ac HVR |
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 | ||
| c9e055ac HVR |
17 | #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 | ||
| 41 | static 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 | ||
| 51 | static 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 | ||
| 58 | static int lan83c185_config_init(struct phy_device *phydev) | |
| 59 | { | |
| 60 | return lan83c185_ack_interrupt (phydev); | |
| 61 | } | |
| 62 | ||
| 63 | ||
| 64 | static 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 | ||
| 85 | static int __init smsc_init(void) | |
| 86 | { | |
| 87 | return phy_driver_register (&lan83c185_driver); | |
| 88 | } | |
| 89 | ||
| 90 | static void __exit smsc_exit(void) | |
| 91 | { | |
| 92 | phy_driver_unregister (&lan83c185_driver); | |
| 93 | } | |
| 94 | ||
| 95 | MODULE_DESCRIPTION("SMSC PHY driver"); | |
| 96 | MODULE_AUTHOR("Herbert Valerio Riedel"); | |
| 97 | MODULE_LICENSE("GPL"); | |
| 98 | ||
| 99 | module_init(smsc_init); | |
| 100 | module_exit(smsc_exit); |