xref: /openbmc/linux/include/linux/smsc911x.h (revision 1a59d1b8)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /***************************************************************************
3  *
4  * Copyright (C) 2004-2008 SMSC
5  * Copyright (C) 2005-2008 ARM
6  *
7  ***************************************************************************/
8 #ifndef __LINUX_SMSC911X_H__
9 #define __LINUX_SMSC911X_H__
10 
11 #include <linux/phy.h>
12 #include <linux/if_ether.h>
13 
14 /* platform_device configuration data, should be assigned to
15  * the platform_device's dev.platform_data */
16 struct smsc911x_platform_config {
17 	unsigned int irq_polarity;
18 	unsigned int irq_type;
19 	unsigned int flags;
20 	unsigned int shift;
21 	phy_interface_t phy_interface;
22 	unsigned char mac[ETH_ALEN];
23 };
24 
25 /* Constants for platform_device irq polarity configuration */
26 #define SMSC911X_IRQ_POLARITY_ACTIVE_LOW	0
27 #define SMSC911X_IRQ_POLARITY_ACTIVE_HIGH	1
28 
29 /* Constants for platform_device irq type configuration */
30 #define SMSC911X_IRQ_TYPE_OPEN_DRAIN		0
31 #define SMSC911X_IRQ_TYPE_PUSH_PULL		1
32 
33 /* Constants for flags */
34 #define SMSC911X_USE_16BIT 			(BIT(0))
35 #define SMSC911X_USE_32BIT 			(BIT(1))
36 #define SMSC911X_FORCE_INTERNAL_PHY		(BIT(2))
37 #define SMSC911X_FORCE_EXTERNAL_PHY 		(BIT(3))
38 #define SMSC911X_SAVE_MAC_ADDRESS		(BIT(4))
39 
40 /*
41  * SMSC911X_SWAP_FIFO:
42  * Enables software byte swap for fifo data. Should only be used as a
43  * "last resort" in the case of big endian mode on boards with incorrectly
44  * routed data bus to older devices such as LAN9118. Newer devices such as
45  * LAN9221 can handle this in hardware, there are registers to control
46  * this swapping but the driver doesn't currently use them.
47  */
48 #define SMSC911X_SWAP_FIFO			(BIT(5))
49 
50 #endif /* __LINUX_SMSC911X_H__ */
51