include/linux/phy_led_triggers.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /* Copyright (C) 2016 National Instruments Corp.
   3  */
   4 #ifndef __PHY_LED_TRIGGERS
   5 #define __PHY_LED_TRIGGERS
   6
   7 struct phy_device;
   8
   9 #ifdef CONFIG_LED_TRIGGER_PHY
  10
  11 #include <linux/leds.h>
  12 #include <linux/phy.h>
  13
  14 #define PHY_LED_TRIGGER_SPEED_SUFFIX_SIZE       11
  15
  16 #define PHY_LINK_LED_TRIGGER_NAME_SIZE (MII_BUS_ID_SIZE + \
  17                                        sizeof_field(struct mdio_device, addr)+\
  18                                        PHY_LED_TRIGGER_SPEED_SUFFIX_SIZE)
  19
  20 struct phy_led_trigger {
  21         struct led_trigger trigger;
  22         char name[PHY_LINK_LED_TRIGGER_NAME_SIZE];
  23         unsigned int speed;
  24 };
  25
  26
  27 extern int phy_led_triggers_register(struct phy_device *phy);
  28 extern void phy_led_triggers_unregister(struct phy_device *phy);
  29 extern void phy_led_trigger_change_speed(struct phy_device *phy);
  30
  31 #else
  32
  33 static inline int phy_led_triggers_register(struct phy_device *phy)
  34 {
  35         return 0;
  36 }
  37 static inline void phy_led_triggers_unregister(struct phy_device *phy) { }
  38 static inline void phy_led_trigger_change_speed(struct phy_device *phy) { }
  39
  40 #endif
  41
  42 #endif