LXR linux/include/linux/phy_led

   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
  16struct 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
  29struct phy_led_trigger {
  30        struct led_trigger trigger;
  31        char name[PHY_LINK_LED_TRIGGER_NAME_SIZE];
  32        unsigned int speed;
  33};
  34
  35
  36extern int phy_led_triggers_register(struct phy_device *phy);
  37extern void phy_led_triggers_unregister(struct phy_device *phy);
  38extern void phy_led_trigger_change_speed(struct phy_device *phy);
  39
  40#else
  41
  42static inline int phy_led_triggers_register(struct phy_device *phy)
  43{
  44        return 0;
  45}
  46static inline void phy_led_triggers_unregister(struct phy_device *phy) { }
  47static inline void phy_led_trigger_change_speed(struct phy_device *phy) { }
  48
  49#endif
  50
  51#endif
  52