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name : smsc911x.h
 /* SPDX-License-Identifier: GPL-2.0-or-later */
/***************************************************************************
 *
 * Copyright (C) 2004-2008 SMSC
 * Copyright (C) 2005-2008 ARM
 *
 ***************************************************************************/
#ifndef __LINUX_SMSC911X_H__
#define __LINUX_SMSC911X_H__

#include <linux/phy.h>
#include <linux/if_ether.h>

/* platform_device configuration data, should be assigned to
 * the platform_device's dev.platform_data */
struct smsc911x_platform_config {
	unsigned int irq_polarity;
	unsigned int irq_type;
	unsigned int flags;
	unsigned int shift;
	phy_interface_t phy_interface;
	unsigned char mac[ETH_ALEN];
};

/* Constants for platform_device irq polarity configuration */
#define SMSC911X_IRQ_POLARITY_ACTIVE_LOW	0
#define SMSC911X_IRQ_POLARITY_ACTIVE_HIGH	1

/* Constants for platform_device irq type configuration */
#define SMSC911X_IRQ_TYPE_OPEN_DRAIN		0
#define SMSC911X_IRQ_TYPE_PUSH_PULL		1

/* Constants for flags */
#define SMSC911X_USE_16BIT 			(BIT(0))
#define SMSC911X_USE_32BIT 			(BIT(1))
#define SMSC911X_FORCE_INTERNAL_PHY		(BIT(2))
#define SMSC911X_FORCE_EXTERNAL_PHY 		(BIT(3))
#define SMSC911X_SAVE_MAC_ADDRESS		(BIT(4))

/*
 * SMSC911X_SWAP_FIFO:
 * Enables software byte swap for fifo data. Should only be used as a
 * "last resort" in the case of big endian mode on boards with incorrectly
 * routed data bus to older devices such as LAN9118. Newer devices such as
 * LAN9221 can handle this in hardware, there are registers to control
 * this swapping but the driver doesn't currently use them.
 */
#define SMSC911X_SWAP_FIFO			(BIT(5))

#endif /* __LINUX_SMSC911X_H__ */
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