diff options
| -rw-r--r-- | drivers/net/phy/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/net/phy/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/phy/smsc.c | 101 |
3 files changed, 108 insertions, 0 deletions
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index fa39b944bc46..cda3e53d6917 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -45,5 +45,11 @@ config CICADA_PHY ---help--- Currently supports the cis8204 +config SMSC_PHY + tristate "Drivers for SMSC PHYs" + depends on PHYLIB + ---help--- + Currently supports the LAN83C185 PHY + endmenu diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index e4116a5fbb4c..d9614134cc06 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -8,3 +8,4 @@ obj-$(CONFIG_DAVICOM_PHY) += davicom.o obj-$(CONFIG_CICADA_PHY) += cicada.o obj-$(CONFIG_LXT_PHY) += lxt.o obj-$(CONFIG_QSEMI_PHY) += qsemi.o +obj-$(CONFIG_SMSC_PHY) += smsc.o 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 @@ +/* + * drivers/net/phy/smsc.c + * + * Driver for SMSC PHYs + * + * Author: Herbert Valerio Riedel + * + * Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/phy.h> +#include <linux/netdevice.h> + +#define MII_LAN83C185_ISF 29 /* Interrupt Source Flags */ +#define MII_LAN83C185_IM 30 /* Interrupt Mask */ + +#define MII_LAN83C185_ISF_INT1 (1<<1) /* Auto-Negotiation Page Received */ +#define MII_LAN83C185_ISF_INT2 (1<<2) /* Parallel Detection Fault */ +#define MII_LAN83C185_ISF_INT3 (1<<3) /* Auto-Negotiation LP Ack */ +#define MII_LAN83C185_ISF_INT4 (1<<4) /* Link Down */ +#define MII_LAN83C185_ISF_INT5 (1<<5) /* Remote Fault Detected */ +#define MII_LAN83C185_ISF_INT6 (1<<6) /* Auto-Negotiation complete */ +#define MII_LAN83C185_ISF_INT7 (1<<7) /* ENERGYON */ + +#define MII_LAN83C185_ISF_INT_ALL (0x0e) + +#define MII_LAN83C185_ISF_INT_PHYLIB_EVENTS \ + (MII_LAN83C185_ISF_INT6 | MII_LAN83C185_ISF_INT4) + + +static int lan83c185_config_intr(struct phy_device *phydev) +{ + int rc = phy_write (phydev, MII_LAN83C185_IM, + ((PHY_INTERRUPT_ENABLED == phydev->interrupts) + ? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS + : 0)); + + return rc < 0 ? rc : 0; +} + +static int lan83c185_ack_interrupt(struct phy_device *phydev) +{ + int rc = phy_read (phydev, MII_LAN83C185_ISF); + + return rc < 0 ? rc : 0; +} + +static int lan83c185_config_init(struct phy_device *phydev) +{ + return lan83c185_ack_interrupt (phydev); +} + + +static struct phy_driver lan83c185_driver = { + .phy_id = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */ + .phy_id_mask = 0xfffffff0, + .name = "SMSC LAN83C185", + + .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause + | SUPPORTED_Asym_Pause), + .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, + + /* basic functions */ + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .config_init = lan83c185_config_init, + + /* IRQ related */ + .ack_interrupt = lan83c185_ack_interrupt, + .config_intr = lan83c185_config_intr, + + .driver = { .owner = THIS_MODULE, } +}; + +static int __init smsc_init(void) +{ + return phy_driver_register (&lan83c185_driver); +} + +static void __exit smsc_exit(void) +{ + phy_driver_unregister (&lan83c185_driver); +} + +MODULE_DESCRIPTION("SMSC PHY driver"); +MODULE_AUTHOR("Herbert Valerio Riedel"); +MODULE_LICENSE("GPL"); + +module_init(smsc_init); +module_exit(smsc_exit); |