63 lines
2 KiB
C
63 lines
2 KiB
C
|
/****************************************************************************
|
||
|
|
* Driver for Solarflare Solarstorm network controllers and boards
|
||
|
|
* Copyright 2006 Solarflare Communications Inc.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms of the GNU General Public License version 2 as published
|
||
|
|
* by the Free Software Foundation, incorporated herein by reference.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef EFX_XENPACK_H
|
||
|
|
#define EFX_XENPACK_H
|
||
|
|
|
||
|
|
/* Exported functions from Xenpack standard PHY control */
|
||
|
|
|
||
|
|
#include "mdio_10g.h"
|
||
|
|
|
||
|
|
/****************************************************************************/
|
||
|
|
/* XENPACK MDIO register extensions */
|
||
|
|
#define MDIO_XP_LASI_RX_CTRL (0x9000)
|
||
|
|
#define MDIO_XP_LASI_TX_CTRL (0x9001)
|
||
|
|
#define MDIO_XP_LASI_CTRL (0x9002)
|
||
|
|
#define MDIO_XP_LASI_RX_STAT (0x9003)
|
||
|
|
#define MDIO_XP_LASI_TX_STAT (0x9004)
|
||
|
|
#define MDIO_XP_LASI_STAT (0x9005)
|
||
|
|
|
||
|
|
/* Control/Status bits */
|
||
|
|
#define XP_LASI_LS_ALARM (1 << 0)
|
||
|
|
#define XP_LASI_TX_ALARM (1 << 1)
|
||
|
|
#define XP_LASI_RX_ALARM (1 << 2)
|
||
|
|
/* These two are Quake vendor extensions to the standard XENPACK defines */
|
||
|
|
#define XP_LASI_LS_INTB (1 << 3)
|
||
|
|
#define XP_LASI_TEST (1 << 7)
|
||
|
|
|
||
|
|
/* Enable LASI interrupts for PHY */
|
||
|
|
static inline void xenpack_enable_lasi_irqs(struct efx_nic *efx)
|
||
|
|
{
|
||
|
|
int reg;
|
||
|
|
int phy_id = efx->mii.phy_id;
|
||
|
|
/* Read to clear LASI status register */
|
||
|
|
reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
|
||
|
|
MDIO_XP_LASI_STAT);
|
||
|
|
|
||
|
|
mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD,
|
||
|
|
MDIO_XP_LASI_CTRL, XP_LASI_LS_ALARM);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Read the LASI interrupt status to clear the interrupt. */
|
||
|
|
static inline int xenpack_clear_lasi_irqs(struct efx_nic *efx)
|
||
|
|
{
|
||
|
|
/* Read to clear link status alarm */
|
||
|
|
return mdio_clause45_read(efx, efx->mii.phy_id,
|
||
|
|
MDIO_MMD_PMAPMD, MDIO_XP_LASI_STAT);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Turn off LASI interrupts */
|
||
|
|
static inline void xenpack_disable_lasi_irqs(struct efx_nic *efx)
|
||
|
|
{
|
||
|
|
mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD,
|
||
|
|
MDIO_XP_LASI_CTRL, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* EFX_XENPACK_H */
|