xref: /openbmc/linux/include/net/ax88796.h (revision e15a5365)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* include/net/ax88796.h
3  *
4  * Copyright 2005 Simtec Electronics
5  *	Ben Dooks <ben@simtec.co.uk>
6 */
7 
8 #ifndef __NET_AX88796_PLAT_H
9 #define __NET_AX88796_PLAT_H
10 
11 struct sk_buff;
12 struct net_device;
13 struct platform_device;
14 
15 #define AXFLG_HAS_EEPROM		(1<<0)
16 #define AXFLG_MAC_FROMDEV		(1<<1)	/* device already has MAC */
17 #define AXFLG_HAS_93CX6			(1<<2)	/* use eeprom_93cx6 driver */
18 #define AXFLG_MAC_FROMPLATFORM		(1<<3)	/* MAC given by platform data */
19 
20 struct ax_plat_data {
21 	unsigned int	 flags;
22 	unsigned char	 wordlength;	/* 1 or 2 */
23 	unsigned char	 dcr_val;	/* default value for DCR */
24 	unsigned char	 rcr_val;	/* default value for RCR */
25 	unsigned char	 gpoc_val;	/* default value for GPOC */
26 	u32		*reg_offsets;	/* register offsets */
27 	u8		*mac_addr;	/* MAC addr (only used when
28 					   AXFLG_MAC_FROMPLATFORM is used */
29 
30 	/* uses default ax88796 buffer if set to NULL */
31 	void (*block_output)(struct net_device *dev, int count,
32 			const unsigned char *buf, int star_page);
33 	void (*block_input)(struct net_device *dev, int count,
34 			struct sk_buff *skb, int ring_offset);
35 	/* returns nonzero if a pending interrupt request might by caused by
36 	 * the ax88786. Handles all interrupts if set to NULL
37 	 */
38 	int (*check_irq)(struct platform_device *pdev);
39 };
40 
41 #endif /* __NET_AX88796_PLAT_H */
42