xref: /linux-6.15/include/linux/phy_fixed.h (revision bb4e9af0)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PHY_FIXED_H
3 #define __PHY_FIXED_H
4 
5 struct fixed_phy_status {
6 	int link;
7 	int speed;
8 	int duplex;
9 	int pause;
10 	int asym_pause;
11 };
12 
13 struct device_node;
14 
15 #if IS_ENABLED(CONFIG_FIXED_PHY)
16 extern int fixed_phy_change_carrier(struct net_device *dev, bool new_carrier);
17 extern int fixed_phy_add(unsigned int irq, int phy_id,
18 			 struct fixed_phy_status *status);
19 extern struct phy_device *fixed_phy_register(unsigned int irq,
20 					     struct fixed_phy_status *status,
21 					     struct device_node *np);
22 
23 extern struct phy_device *
24 fixed_phy_register_with_gpiod(unsigned int irq,
25 			      struct fixed_phy_status *status,
26 			      struct gpio_desc *gpiod);
27 
28 extern void fixed_phy_unregister(struct phy_device *phydev);
29 extern int fixed_phy_set_link_update(struct phy_device *phydev,
30 			int (*link_update)(struct net_device *,
31 					   struct fixed_phy_status *));
32 #else
33 static inline int fixed_phy_add(unsigned int irq, int phy_id,
34 				struct fixed_phy_status *status)
35 {
36 	return -ENODEV;
37 }
38 static inline struct phy_device *fixed_phy_register(unsigned int irq,
39 						struct fixed_phy_status *status,
40 						struct device_node *np)
41 {
42 	return ERR_PTR(-ENODEV);
43 }
44 
45 static inline struct phy_device *
46 fixed_phy_register_with_gpiod(unsigned int irq,
47 			      struct fixed_phy_status *status,
48 			      struct gpio_desc *gpiod)
49 {
50 	return ERR_PTR(-ENODEV);
51 }
52 
53 static inline void fixed_phy_unregister(struct phy_device *phydev)
54 {
55 }
56 static inline int fixed_phy_set_link_update(struct phy_device *phydev,
57 			int (*link_update)(struct net_device *,
58 					   struct fixed_phy_status *))
59 {
60 	return -ENODEV;
61 }
62 static inline int fixed_phy_change_carrier(struct net_device *dev, bool new_carrier)
63 {
64 	return -EINVAL;
65 }
66 #endif /* CONFIG_FIXED_PHY */
67 
68 #endif /* __PHY_FIXED_H */
69