linux/drivers/net/sfc/xenpack.h
Ben Hutchings 8ceee660aa New driver "sfc" for Solarstorm SFC4000 controller.
The driver supports the 10Xpress PHY and XFP modules on our reference
designs SFE4001 and SFE4002 and the SMC models SMC10GPCIe-XFP and
SMC10GPCIe-10BT.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-04-29 01:42:43 -04:00

62 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 */