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Diffstat (limited to 'net/dsa/mv88e6xxx.h')
| -rw-r--r-- | net/dsa/mv88e6xxx.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/net/dsa/mv88e6xxx.h b/net/dsa/mv88e6xxx.h new file mode 100644 index 00000000000..eb0e0aaa9f1 --- /dev/null +++ b/net/dsa/mv88e6xxx.h @@ -0,0 +1,93 @@ +/* + * 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 |