include/linux/smsc911x.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /***************************************************************************
0003  *
0004  * Copyright (C) 2004-2008 SMSC
0005  * Copyright (C) 2005-2008 ARM
0006  *
0007  ***************************************************************************/
0008 #ifndef __LINUX_SMSC911X_H__
0009 #define __LINUX_SMSC911X_H__
0010
0011 #include <linux/phy.h>
0012 #include <linux/if_ether.h>
0013
0014 /* platform_device configuration data, should be assigned to
0015  * the platform_device's dev.platform_data */
0016 struct smsc911x_platform_config {
0017     unsigned int irq_polarity;
0018     unsigned int irq_type;
0019     unsigned int flags;
0020     unsigned int shift;
0021     phy_interface_t phy_interface;
0022     unsigned char mac[ETH_ALEN];
0023 };
0024
0025 /* Constants for platform_device irq polarity configuration */
0026 #define SMSC911X_IRQ_POLARITY_ACTIVE_LOW    0
0027 #define SMSC911X_IRQ_POLARITY_ACTIVE_HIGH   1
0028
0029 /* Constants for platform_device irq type configuration */
0030 #define SMSC911X_IRQ_TYPE_OPEN_DRAIN        0
0031 #define SMSC911X_IRQ_TYPE_PUSH_PULL     1
0032
0033 /* Constants for flags */
0034 #define SMSC911X_USE_16BIT          (BIT(0))
0035 #define SMSC911X_USE_32BIT          (BIT(1))
0036 #define SMSC911X_FORCE_INTERNAL_PHY     (BIT(2))
0037 #define SMSC911X_FORCE_EXTERNAL_PHY         (BIT(3))
0038 #define SMSC911X_SAVE_MAC_ADDRESS       (BIT(4))
0039
0040 /*
0041  * SMSC911X_SWAP_FIFO:
0042  * Enables software byte swap for fifo data. Should only be used as a
0043  * "last resort" in the case of big endian mode on boards with incorrectly
0044  * routed data bus to older devices such as LAN9118. Newer devices such as
0045  * LAN9221 can handle this in hardware, there are registers to control
0046  * this swapping but the driver doesn't currently use them.
0047  */
0048 #define SMSC911X_SWAP_FIFO          (BIT(5))
0049
0050 #endif /* __LINUX_SMSC911X_H__ */