2009-07-01 01:29:36 +00:00
/*
* Driver for Broadcom 63 xx SOCs integrated PHYs
*
* 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 .
*/
2015-10-06 12:25:48 -07:00
# include "bcm-phy-lib.h"
2009-07-01 01:29:36 +00:00
# include <linux/module.h>
# include <linux/phy.h>
# define MII_BCM63XX_IR 0x1a /* interrupt register */
# define MII_BCM63XX_IR_EN 0x4000 /* global interrupt enable */
# define MII_BCM63XX_IR_DUPLEX 0x0800 /* duplex changed */
# define MII_BCM63XX_IR_SPEED 0x0400 /* speed changed */
# define MII_BCM63XX_IR_LINK 0x0200 /* link changed */
# define MII_BCM63XX_IR_GMASK 0x0100 /* global interrupt mask */
MODULE_DESCRIPTION ( " Broadcom 63xx internal PHY driver " ) ;
MODULE_AUTHOR ( " Maxime Bizon <mbizon@freebox.fr> " ) ;
MODULE_LICENSE ( " GPL " ) ;
2017-01-17 16:26:55 -08:00
static int bcm63xx_config_intr ( struct phy_device * phydev )
{
int reg , err ;
reg = phy_read ( phydev , MII_BCM63XX_IR ) ;
if ( reg < 0 )
return reg ;
if ( phydev - > interrupts = = PHY_INTERRUPT_ENABLED )
reg & = ~ MII_BCM63XX_IR_GMASK ;
else
reg | = MII_BCM63XX_IR_GMASK ;
err = phy_write ( phydev , MII_BCM63XX_IR , reg ) ;
return err ;
}
2009-07-01 01:29:36 +00:00
static int bcm63xx_config_init ( struct phy_device * phydev )
{
int reg , err ;
reg = phy_read ( phydev , MII_BCM63XX_IR ) ;
if ( reg < 0 )
return reg ;
/* Mask interrupts globally. */
reg | = MII_BCM63XX_IR_GMASK ;
err = phy_write ( phydev , MII_BCM63XX_IR , reg ) ;
if ( err < 0 )
return err ;
/* Unmask events we are interested in */
reg = ~ ( MII_BCM63XX_IR_DUPLEX |
MII_BCM63XX_IR_SPEED |
MII_BCM63XX_IR_LINK ) |
MII_BCM63XX_IR_EN ;
2012-04-02 06:24:55 +00:00
return phy_write ( phydev , MII_BCM63XX_IR , reg ) ;
2009-07-01 01:29:36 +00:00
}
2012-07-04 05:44:34 +00:00
static struct phy_driver bcm63xx_driver [ ] = {
{
2009-07-01 01:29:36 +00:00
. phy_id = 0x00406000 ,
. phy_id_mask = 0xfffffc00 ,
. name = " Broadcom BCM63XX (1) " ,
/* ASYM_PAUSE bit is marked RO in datasheet, so don't cheat */
. features = ( PHY_BASIC_FEATURES | SUPPORTED_Pause ) ,
2013-05-23 01:11:13 +00:00
. flags = PHY_HAS_INTERRUPT | PHY_IS_INTERNAL ,
2009-07-01 01:29:36 +00:00
. config_init = bcm63xx_config_init ,
2015-10-06 12:25:48 -07:00
. ack_interrupt = bcm_phy_ack_intr ,
2017-01-17 16:26:55 -08:00
. config_intr = bcm63xx_config_intr ,
2012-07-04 05:44:34 +00:00
} , {
/* same phy as above, with just a different OUI */
2009-07-01 01:29:36 +00:00
. phy_id = 0x002bdc00 ,
. phy_id_mask = 0xfffffc00 ,
. name = " Broadcom BCM63XX (2) " ,
. features = ( PHY_BASIC_FEATURES | SUPPORTED_Pause ) ,
2013-05-23 01:11:13 +00:00
. flags = PHY_HAS_INTERRUPT | PHY_IS_INTERNAL ,
2009-07-01 01:29:36 +00:00
. config_init = bcm63xx_config_init ,
2015-10-06 12:25:48 -07:00
. ack_interrupt = bcm_phy_ack_intr ,
2017-01-17 16:26:55 -08:00
. config_intr = bcm63xx_config_intr ,
2012-07-04 05:44:34 +00:00
} } ;
2009-07-01 01:29:36 +00:00
2014-11-11 19:45:59 +01:00
module_phy_driver ( bcm63xx_driver ) ;
2010-04-02 01:05:56 +00:00
2010-10-03 23:43:32 +00:00
static struct mdio_device_id __maybe_unused bcm63xx_tbl [ ] = {
2010-04-02 01:05:56 +00:00
{ 0x00406000 , 0xfffffc00 } ,
{ 0x002bdc00 , 0xfffffc00 } ,
{ }
} ;
2010-04-09 01:04:45 +00:00
MODULE_DEVICE_TABLE ( mdio , bcm63xx_tbl ) ;