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- /*
- * 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);
- #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
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