Blame view

kernel/linux-imx6_3.14.28/drivers/net/dsa/mv88e6xxx.h 2.87 KB
6b13f685e   김민수   BSP 최초 추가
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
  /*
   * net/dsa/mv88e6xxx.h - Marvell 88e6xxx switch chip support
   * Copyright (c) 2008 Marvell Semiconductor
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   */
  
  #ifndef __MV88E6XXX_H
  #define __MV88E6XXX_H
  
  #define REG_PORT(p)		(0x10 + (p))
  #define REG_GLOBAL		0x1b
  #define REG_GLOBAL2		0x1c
  
  struct mv88e6xxx_priv_state {
  	/* When using multi-chip addressing, this mutex protects
  	 * access to the indirect access registers.  (In single-chip
  	 * mode, this mutex is effectively useless.)
  	 */
  	struct mutex	smi_mutex;
  
  #ifdef CONFIG_NET_DSA_MV88E6XXX_NEED_PPU
  	/* Handles automatic disabling and re-enabling of the PHY
  	 * polling unit.
  	 */
  	struct mutex		ppu_mutex;
  	int			ppu_disabled;
  	struct work_struct	ppu_work;
  	struct timer_list	ppu_timer;
  #endif
  
  	/* This mutex serialises access to the statistics unit.
  	 * Hold this mutex over snapshot + dump sequences.
  	 */
  	struct mutex	stats_mutex;
  
  	int		id; /* switch product id */
  };
  
  struct mv88e6xxx_hw_stat {
  	char string[ETH_GSTRING_LEN];
  	int sizeof_stat;
  	int reg;
  };
  
  int __mv88e6xxx_reg_read(struct mii_bus *bus, int sw_addr, int addr, int reg);
  int mv88e6xxx_reg_read(struct dsa_switch *ds, int addr, int reg);
  int __mv88e6xxx_reg_write(struct mii_bus *bus, int sw_addr, int addr,
  			  int reg, u16 val);
  int mv88e6xxx_reg_write(struct dsa_switch *ds, int addr, int reg, u16 val);
  int mv88e6xxx_config_prio(struct dsa_switch *ds);
  int mv88e6xxx_set_addr_direct(struct dsa_switch *ds, u8 *addr);
  int mv88e6xxx_set_addr_indirect(struct dsa_switch *ds, u8 *addr);
  int mv88e6xxx_phy_read(struct dsa_switch *ds, int addr, int regnum);
  int mv88e6xxx_phy_write(struct dsa_switch *ds, int addr, int regnum, u16 val);
  void mv88e6xxx_ppu_state_init(struct dsa_switch *ds);
  int mv88e6xxx_phy_read_ppu(struct dsa_switch *ds, int addr, int regnum);
  int mv88e6xxx_phy_write_ppu(struct dsa_switch *ds, int addr,
  			    int regnum, u16 val);
  void mv88e6xxx_poll_link(struct dsa_switch *ds);
  void mv88e6xxx_get_strings(struct dsa_switch *ds,
  			   int nr_stats, struct mv88e6xxx_hw_stat *stats,
  			   int port, uint8_t *data);
  void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds,
  				 int nr_stats, struct mv88e6xxx_hw_stat *stats,
  				 int port, uint64_t *data);
  
  extern struct dsa_switch_driver mv88e6131_switch_driver;
  extern struct dsa_switch_driver mv88e6123_61_65_switch_driver;
  
  #define REG_READ(addr, reg)						\
  	({								\
  		int __ret;						\
  									\
  		__ret = mv88e6xxx_reg_read(ds, addr, reg);		\
  		if (__ret < 0)						\
  			return __ret;					\
  		__ret;							\
  	})
  
  #define REG_WRITE(addr, reg, val)					\
  	({								\
  		int __ret;						\
  									\
  		__ret = mv88e6xxx_reg_write(ds, addr, reg, val);	\
  		if (__ret < 0)						\
  			return __ret;					\
  	})
  
  
  
  #endif