tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * net/dsa/mv88e6xxx.h - Marvell 88e6xxx switch chip support
3 * Copyright (c) 2008 Marvell Semiconductor
4 *
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.
9 */
10
11#ifndef __MV88E6XXX_H
12#define __MV88E6XXX_H
13
14#define REG_PORT(p) (0x10 + (p))
15#define REG_GLOBAL 0x1b
16#define REG_GLOBAL2 0x1c
17
18struct 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.)
22 */
23 struct mutex smi_mutex;
24
25#ifdef CONFIG_NET_DSA_MV88E6XXX_NEED_PPU
26 /* Handles automatic disabling and re-enabling of the PHY
27 * polling unit.
28 */
29 struct mutex ppu_mutex;
30 int ppu_disabled;
31 struct work_struct ppu_work;
32 struct timer_list ppu_timer;
33#endif
34
35 /* This mutex serialises access to the statistics unit.
36 * Hold this mutex over snapshot + dump sequences.
37 */
38 struct mutex stats_mutex;
39
40 /* This mutex serializes phy access for chips with
41 * indirect phy addressing. It is unused for chips
42 * with direct phy access.
43 */
44 struct mutex phy_mutex;
45
46 /* This mutex serializes eeprom access for chips with
47 * eeprom support.
48 */
49 struct mutex eeprom_mutex;
50
51 int id; /* switch product id */
52};
53
54struct mv88e6xxx_hw_stat {
55 char string[ETH_GSTRING_LEN];
56 int sizeof_stat;
57 int reg;
58};
59
60int __mv88e6xxx_reg_read(struct mii_bus *bus, int sw_addr, int addr, int reg);
61int mv88e6xxx_reg_read(struct dsa_switch *ds, int addr, int reg);
62int __mv88e6xxx_reg_write(struct mii_bus *bus, int sw_addr, int addr,
63 int reg, u16 val);
64int mv88e6xxx_reg_write(struct dsa_switch *ds, int addr, int reg, u16 val);
65int mv88e6xxx_config_prio(struct dsa_switch *ds);
66int mv88e6xxx_set_addr_direct(struct dsa_switch *ds, u8 *addr);
67int mv88e6xxx_set_addr_indirect(struct dsa_switch *ds, u8 *addr);
68int mv88e6xxx_phy_read(struct dsa_switch *ds, int addr, int regnum);
69int mv88e6xxx_phy_write(struct dsa_switch *ds, int addr, int regnum, u16 val);
70void mv88e6xxx_ppu_state_init(struct dsa_switch *ds);
71int mv88e6xxx_phy_read_ppu(struct dsa_switch *ds, int addr, int regnum);
72int mv88e6xxx_phy_write_ppu(struct dsa_switch *ds, int addr,
73 int regnum, u16 val);
74void mv88e6xxx_poll_link(struct dsa_switch *ds);
75void mv88e6xxx_get_strings(struct dsa_switch *ds,
76 int nr_stats, struct mv88e6xxx_hw_stat *stats,
77 int port, uint8_t *data);
78void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds,
79 int nr_stats, struct mv88e6xxx_hw_stat *stats,
80 int port, uint64_t *data);
81int mv88e6xxx_get_regs_len(struct dsa_switch *ds, int port);
82void mv88e6xxx_get_regs(struct dsa_switch *ds, int port,
83 struct ethtool_regs *regs, void *_p);
84int mv88e6xxx_get_temp(struct dsa_switch *ds, int *temp);
85
86extern struct dsa_switch_driver mv88e6131_switch_driver;
87extern struct dsa_switch_driver mv88e6123_61_65_switch_driver;
88extern struct dsa_switch_driver mv88e6352_switch_driver;
89extern struct dsa_switch_driver mv88e6171_switch_driver;
90
91#define REG_READ(addr, reg) \
92 ({ \
93 int __ret; \
94 \
95 __ret = mv88e6xxx_reg_read(ds, addr, reg); \
96 if (__ret < 0) \
97 return __ret; \
98 __ret; \
99 })
100
101#define REG_WRITE(addr, reg, val) \
102 ({ \
103 int __ret; \
104 \
105 __ret = mv88e6xxx_reg_write(ds, addr, reg, val); \
106 if (__ret < 0) \
107 return __ret; \
108 })
109
110
111
112#endif