include/linux/phy_led_triggers.h

   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
  42 static inline int phy_led_triggers_register(struct phy_device *phy)
  43 {
  44         return 0;
  45 }
  46 static inline void phy_led_triggers_unregister(struct phy_device *phy) { }
  47 static inline void phy_led_trigger_change_speed(struct phy_device *phy) { }
  48
  49 #endif
  50
  51 #endif