include/linux/phy_fixed.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __PHY_FIXED_H
   3 #define __PHY_FIXED_H
   4
   5 #include <linux/types.h>
   6
   7 struct fixed_phy_status {
   8         int link;
   9         int speed;
  10         int duplex;
  11         int pause;
  12         int asym_pause;
  13 };
  14
  15 struct device_node;
  16 struct gpio_desc;
  17 struct net_device;
  18
  19 #if IS_ENABLED(CONFIG_FIXED_PHY)
  20 extern int fixed_phy_change_carrier(struct net_device *dev, bool new_carrier);
  21 extern int fixed_phy_add(unsigned int irq, int phy_id,
  22                          struct fixed_phy_status *status);
  23 extern struct phy_device *fixed_phy_register(unsigned int irq,
  24                                              struct fixed_phy_status *status,
  25                                              struct device_node *np);
  26
  27 extern struct phy_device *
  28 fixed_phy_register_with_gpiod(unsigned int irq,
  29                               struct fixed_phy_status *status,
  30                               struct gpio_desc *gpiod);
  31
  32 extern void fixed_phy_unregister(struct phy_device *phydev);
  33 extern int fixed_phy_set_link_update(struct phy_device *phydev,
  34                         int (*link_update)(struct net_device *,
  35                                            struct fixed_phy_status *));
  36 #else
  37 static inline int fixed_phy_add(unsigned int irq, int phy_id,
  38                                 struct fixed_phy_status *status)
  39 {
  40         return -ENODEV;
  41 }
  42 static inline struct phy_device *fixed_phy_register(unsigned int irq,
  43                                                 struct fixed_phy_status *status,
  44                                                 struct device_node *np)
  45 {
  46         return ERR_PTR(-ENODEV);
  47 }
  48
  49 static inline struct phy_device *
  50 fixed_phy_register_with_gpiod(unsigned int irq,
  51                               struct fixed_phy_status *status,
  52                               struct gpio_desc *gpiod)
  53 {
  54         return ERR_PTR(-ENODEV);
  55 }
  56
  57 static inline void fixed_phy_unregister(struct phy_device *phydev)
  58 {
  59 }
  60 static inline int fixed_phy_set_link_update(struct phy_device *phydev,
  61                         int (*link_update)(struct net_device *,
  62                                            struct fixed_phy_status *))
  63 {
  64         return -ENODEV;
  65 }
  66 static inline int fixed_phy_change_carrier(struct net_device *dev, bool new_carrier)
  67 {
  68         return -EINVAL;
  69 }
  70 #endif /* CONFIG_FIXED_PHY */
  71
  72 #endif /* __PHY_FIXED_H */