2 * net/dsa/mv88e6xxx.h - Marvell 88e6xxx switch chip support
3 * Copyright (c) 2008 Marvell Semiconductor
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
14 #define REG_PORT(p) (0x10 + (p))
15 #define REG_GLOBAL 0x1b
16 #define REG_GLOBAL2 0x1c
18 struct mv88e6xxx_priv_state
{
19 /* When using multi-chip addressing, this mutex protects
20 * access to the indirect access registers. (In single-chip
21 * mode, this mutex is effectively useless.)
23 struct mutex smi_mutex
;
25 #ifdef CONFIG_NET_DSA_MV88E6XXX_NEED_PPU
26 /* Handles automatic disabling and re-enabling of the PHY
29 struct mutex ppu_mutex
;
31 struct work_struct ppu_work
;
32 struct timer_list ppu_timer
;
35 /* This mutex serialises access to the statistics unit.
36 * Hold this mutex over snapshot + dump sequences.
38 struct mutex stats_mutex
;
40 /* This mutex serializes phy access for chips with
41 * indirect phy addressing. It is unused for chips
42 * with direct phy access.
44 struct mutex phy_mutex
;
46 /* This mutex serializes eeprom access for chips with
49 struct mutex eeprom_mutex
;
51 int id
; /* switch product id */
54 struct mv88e6xxx_hw_stat
{
55 char string
[ETH_GSTRING_LEN
];
60 int __mv88e6xxx_reg_read(struct mii_bus
*bus
, int sw_addr
, int addr
, int reg
);
61 int mv88e6xxx_reg_read(struct dsa_switch
*ds
, int addr
, int reg
);
62 int __mv88e6xxx_reg_write(struct mii_bus
*bus
, int sw_addr
, int addr
,
64 int mv88e6xxx_reg_write(struct dsa_switch
*ds
, int addr
, int reg
, u16 val
);
65 int mv88e6xxx_config_prio(struct dsa_switch
*ds
);
66 int mv88e6xxx_set_addr_direct(struct dsa_switch
*ds
, u8
*addr
);
67 int mv88e6xxx_set_addr_indirect(struct dsa_switch
*ds
, u8
*addr
);
68 int mv88e6xxx_phy_read(struct dsa_switch
*ds
, int addr
, int regnum
);
69 int mv88e6xxx_phy_write(struct dsa_switch
*ds
, int addr
, int regnum
, u16 val
);
70 void mv88e6xxx_ppu_state_init(struct dsa_switch
*ds
);
71 int mv88e6xxx_phy_read_ppu(struct dsa_switch
*ds
, int addr
, int regnum
);
72 int mv88e6xxx_phy_write_ppu(struct dsa_switch
*ds
, int addr
,
74 void mv88e6xxx_poll_link(struct dsa_switch
*ds
);
75 void mv88e6xxx_get_strings(struct dsa_switch
*ds
,
76 int nr_stats
, struct mv88e6xxx_hw_stat
*stats
,
77 int port
, uint8_t *data
);
78 void mv88e6xxx_get_ethtool_stats(struct dsa_switch
*ds
,
79 int nr_stats
, struct mv88e6xxx_hw_stat
*stats
,
80 int port
, uint64_t *data
);
81 int mv88e6xxx_get_regs_len(struct dsa_switch
*ds
, int port
);
82 void mv88e6xxx_get_regs(struct dsa_switch
*ds
, int port
,
83 struct ethtool_regs
*regs
, void *_p
);
84 int mv88e6xxx_get_temp(struct dsa_switch
*ds
, int *temp
);
86 extern struct dsa_switch_driver mv88e6131_switch_driver
;
87 extern struct dsa_switch_driver mv88e6123_61_65_switch_driver
;
88 extern struct dsa_switch_driver mv88e6352_switch_driver
;
89 extern struct dsa_switch_driver mv88e6171_switch_driver
;
91 #define REG_READ(addr, reg) \
95 __ret = mv88e6xxx_reg_read(ds, addr, reg); \
101 #define REG_WRITE(addr, reg, val) \
105 __ret = mv88e6xxx_reg_write(ds, addr, reg, val); \