root/net/dsa/mv88e6xxx.h

INCLUDED FROM

/*
 * 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;
};

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);

#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