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Commit c9e055ac authored by Herbert Valerio Riedel's avatar Herbert Valerio Riedel Committed by Jeff Garzik
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[PATCH] phy: new SMSC LAN83C185 PHY driver 



new SMSC LAN83C185 10BaseT/100BaseTX PHY driver for the PHY subsystem

Signed-off-by: default avatarHerbert Valerio Riedel <hvr@gnu.org>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent d7fbeba6

drivers/net/phy/Kconfig

+6 −0
Original line number Diff line number Diff line
@@ -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

drivers/net/phy/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -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

drivers/net/phy/smsc.c

0 → 100644
+101 −0
Original line number Diff line number Diff line 
/*

 * 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);