1 /*
2  * Marvell 88E6xxx Switch Global 2 Registers support (device address 0x1C)
3  *
4  * Copyright (c) 2008 Marvell Semiconductor
5  *
6  * Copyright (c) 2016 Vivien Didelot <vivien.didelot@savoirfairelinux.com>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  */
13 
14 #ifndef _MV88E6XXX_GLOBAL2_H
15 #define _MV88E6XXX_GLOBAL2_H
16 
17 #include "mv88e6xxx.h"
18 
19 #ifdef CONFIG_NET_DSA_MV88E6XXX_GLOBAL2
20 
21 static inline int mv88e6xxx_g2_require(struct mv88e6xxx_chip *chip)
22 {
23 	return 0;
24 }
25 
26 int mv88e6xxx_g2_smi_phy_read(struct mv88e6xxx_chip *chip, int addr, int reg,
27 			      u16 *val);
28 int mv88e6xxx_g2_smi_phy_write(struct mv88e6xxx_chip *chip, int addr, int reg,
29 			       u16 val);
30 int mv88e6xxx_g2_set_switch_mac(struct mv88e6xxx_chip *chip, u8 *addr);
31 int mv88e6xxx_g2_get_eeprom16(struct mv88e6xxx_chip *chip,
32 			      struct ethtool_eeprom *eeprom, u8 *data);
33 int mv88e6xxx_g2_set_eeprom16(struct mv88e6xxx_chip *chip,
34 			      struct ethtool_eeprom *eeprom, u8 *data);
35 int mv88e6xxx_g2_setup(struct mv88e6xxx_chip *chip);
36 
37 #else /* !CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 */
38 
39 static inline int mv88e6xxx_g2_require(struct mv88e6xxx_chip *chip)
40 {
41 	if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_GLOBAL2)) {
42 		dev_err(chip->dev, "this chip requires CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 enabled\n");
43 		return -EOPNOTSUPP;
44 	}
45 
46 	return 0;
47 }
48 
49 static inline int mv88e6xxx_g2_smi_phy_read(struct mv88e6xxx_chip *chip,
50 					    int addr, int reg, u16 *val)
51 {
52 	return -EOPNOTSUPP;
53 }
54 
55 static inline int mv88e6xxx_g2_smi_phy_write(struct mv88e6xxx_chip *chip,
56 					     int addr, int reg, u16 val)
57 {
58 	return -EOPNOTSUPP;
59 }
60 
61 static inline int mv88e6xxx_g2_set_switch_mac(struct mv88e6xxx_chip *chip,
62 					      u8 *addr)
63 {
64 	return -EOPNOTSUPP;
65 }
66 
67 static inline int mv88e6xxx_g2_get_eeprom16(struct mv88e6xxx_chip *chip,
68 					    struct ethtool_eeprom *eeprom,
69 					    u8 *data)
70 {
71 	return -EOPNOTSUPP;
72 }
73 
74 static inline int mv88e6xxx_g2_set_eeprom16(struct mv88e6xxx_chip *chip,
75 					    struct ethtool_eeprom *eeprom,
76 					    u8 *data)
77 {
78 	return -EOPNOTSUPP;
79 }
80 
81 static inline int mv88e6xxx_g2_setup(struct mv88e6xxx_chip *chip)
82 {
83 	return -EOPNOTSUPP;
84 }
85 
86 #endif /* CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 */
87 
88 #endif /* _MV88E6XXX_GLOBAL2_H */
89