1 /* Copyright (C) 2016 National Instruments Corp.
2  *
3  * This program is free software; you can redistribute it and/or modify
4  * it under the terms of the GNU General Public License as published by
5  * the Free Software Foundation; either version 2 of the License, or
6  * (at your option) any later version.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11  * GNU General Public License for more details.
12  */
13 #ifndef __PHY_LED_TRIGGERS
14 #define __PHY_LED_TRIGGERS
15 
16 struct phy_device;
17 
18 #ifdef CONFIG_LED_TRIGGER_PHY
19 
20 #include <linux/leds.h>
21 #include <linux/phy.h>
22 
23 #define PHY_LED_TRIGGER_SPEED_SUFFIX_SIZE	10
24 
25 #define PHY_LINK_LED_TRIGGER_NAME_SIZE (MII_BUS_ID_SIZE + \
26 				       FIELD_SIZEOF(struct mdio_device, addr)+\
27 				       PHY_LED_TRIGGER_SPEED_SUFFIX_SIZE)
28 
29 struct phy_led_trigger {
30 	struct led_trigger trigger;
31 	char name[PHY_LINK_LED_TRIGGER_NAME_SIZE];
32 	unsigned int speed;
33 };
34 
35 
36 extern int phy_led_triggers_register(struct phy_device *phy);
37 extern void phy_led_triggers_unregister(struct phy_device *phy);
38 extern void phy_led_trigger_change_speed(struct phy_device *phy);
39 
40 #else
41 
phy_led_triggers_register(struct phy_device * phy)42 static inline int phy_led_triggers_register(struct phy_device *phy)
43 {
44 	return 0;
45 }
phy_led_triggers_unregister(struct phy_device * phy)46 static inline void phy_led_triggers_unregister(struct phy_device *phy) { }
phy_led_trigger_change_speed(struct phy_device * phy)47 static inline void phy_led_trigger_change_speed(struct phy_device *phy) { }
48 
49 #endif
50 
51 #endif
52