[net-next-2.6.git] / net / dsa / mv88e6xxx.h

/*
 * 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
Commit	Line	Data
91da11f8 LB	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
	18	struct mv88e6xxx_priv_state {
	19	/*
	20	* When using multi-chip addressing, this mutex protects
	21	* access to the indirect access registers. (In single-chip
	22	* mode, this mutex is effectively useless.)
	23	*/
	24	struct mutex smi_mutex;
	25
2e5f0320 LB	26	#ifdef CONFIG_NET_DSA_MV88E6XXX_NEED_PPU
	27	/*
	28	* Handles automatic disabling and re-enabling of the PHY
	29	* polling unit.
	30	*/
	31	struct mutex ppu_mutex;
	32	int ppu_disabled;
	33	struct work_struct ppu_work;
	34	struct timer_list ppu_timer;
	35	#endif
	36
91da11f8 LB	37	/*
	38	* This mutex serialises access to the statistics unit.
	39	* Hold this mutex over snapshot + dump sequences.
	40	*/
	41	struct mutex stats_mutex;
	42	};
	43
	44	struct mv88e6xxx_hw_stat {
	45	char string[ETH_GSTRING_LEN];
	46	int sizeof_stat;
	47	int reg;
	48	};
	49
	50	int __mv88e6xxx_reg_read(struct mii_bus *bus, int sw_addr, int addr, int reg);
	51	int mv88e6xxx_reg_read(struct dsa_switch *ds, int addr, int reg);
	52	int __mv88e6xxx_reg_write(struct mii_bus *bus, int sw_addr, int addr,
	53	int reg, u16 val);
	54	int mv88e6xxx_reg_write(struct dsa_switch *ds, int addr, int reg, u16 val);
	55	int mv88e6xxx_config_prio(struct dsa_switch *ds);
2e5f0320	56	int mv88e6xxx_set_addr_direct(struct dsa_switch ds, u8 addr);
91da11f8 LB	57	int mv88e6xxx_set_addr_indirect(struct dsa_switch ds, u8 addr);
	58	int mv88e6xxx_phy_read(struct dsa_switch *ds, int addr, int regnum);
	59	int mv88e6xxx_phy_write(struct dsa_switch *ds, int addr, int regnum, u16 val);
2e5f0320 LB	60	void mv88e6xxx_ppu_state_init(struct dsa_switch *ds);
	61	int mv88e6xxx_phy_read_ppu(struct dsa_switch *ds, int addr, int regnum);
	62	int mv88e6xxx_phy_write_ppu(struct dsa_switch *ds, int addr,
	63	int regnum, u16 val);
91da11f8 LB	64	void mv88e6xxx_poll_link(struct dsa_switch *ds);
	65	void mv88e6xxx_get_strings(struct dsa_switch *ds,
	66	int nr_stats, struct mv88e6xxx_hw_stat *stats,
	67	int port, uint8_t *data);
	68	void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds,
	69	int nr_stats, struct mv88e6xxx_hw_stat *stats,
	70	int port, uint64_t *data);
	71
	72	#define REG_READ(addr, reg) \
	73	({ \
	74	int __ret; \
	75	\
	76	__ret = mv88e6xxx_reg_read(ds, addr, reg); \
	77	if (__ret < 0) \
	78	return __ret; \
	79	__ret; \
	80	})
	81
	82	#define REG_WRITE(addr, reg, val) \
	83	({ \
	84	int __ret; \
	85	\
	86	__ret = mv88e6xxx_reg_write(ds, addr, reg, val); \
	87	if (__ret < 0) \
	88	return __ret; \
	89	})
	90
	91
	92
	93	#endif