include/linux/phy_led_triggers.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /* Copyright (C) 2016 National Instruments Corp.
0003  */
0004 #ifndef __PHY_LED_TRIGGERS
0005 #define __PHY_LED_TRIGGERS
0006
0007 struct phy_device;
0008
0009 #ifdef CONFIG_LED_TRIGGER_PHY
0010
0011 #include <linux/leds.h>
0012 #include <linux/phy.h>
0013
0014 #define PHY_LED_TRIGGER_SPEED_SUFFIX_SIZE   11
0015
0016 #define PHY_LINK_LED_TRIGGER_NAME_SIZE (MII_BUS_ID_SIZE + \
0017                        sizeof_field(struct mdio_device, addr)+\
0018                        PHY_LED_TRIGGER_SPEED_SUFFIX_SIZE)
0019
0020 struct phy_led_trigger {
0021     struct led_trigger trigger;
0022     char name[PHY_LINK_LED_TRIGGER_NAME_SIZE];
0023     unsigned int speed;
0024 };
0025
0026
0027 extern int phy_led_triggers_register(struct phy_device *phy);
0028 extern void phy_led_triggers_unregister(struct phy_device *phy);
0029 extern void phy_led_trigger_change_speed(struct phy_device *phy);
0030
0031 #else
0032
0033 static inline int phy_led_triggers_register(struct phy_device *phy)
0034 {
0035     return 0;
0036 }
0037 static inline void phy_led_triggers_unregister(struct phy_device *phy) { }
0038 static inline void phy_led_trigger_change_speed(struct phy_device *phy) { }
0039
0040 #endif
0041
0042 #endif