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 /* 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 int id; /* switch product id */ 41 }; 42 43 struct mv88e6xxx_hw_stat { 44 char string[ETH_GSTRING_LEN]; 45 int sizeof_stat; 46 int reg; 47 }; 48 49 int __mv88e6xxx_reg_read(struct mii_bus *bus, int sw_addr, int addr, int reg); 50 int mv88e6xxx_reg_read(struct dsa_switch *ds, int addr, int reg); 51 int __mv88e6xxx_reg_write(struct mii_bus *bus, int sw_addr, int addr, 52 int reg, u16 val); 53 int mv88e6xxx_reg_write(struct dsa_switch *ds, int addr, int reg, u16 val); 54 int mv88e6xxx_config_prio(struct dsa_switch *ds); 55 int mv88e6xxx_set_addr_direct(struct dsa_switch *ds, u8 *addr); 56 int mv88e6xxx_set_addr_indirect(struct dsa_switch *ds, u8 *addr); 57 int mv88e6xxx_phy_read(struct dsa_switch *ds, int addr, int regnum); 58 int mv88e6xxx_phy_write(struct dsa_switch *ds, int addr, int regnum, u16 val); 59 void mv88e6xxx_ppu_state_init(struct dsa_switch *ds); 60 int mv88e6xxx_phy_read_ppu(struct dsa_switch *ds, int addr, int regnum); 61 int mv88e6xxx_phy_write_ppu(struct dsa_switch *ds, int addr, 62 int regnum, u16 val); 63 void mv88e6xxx_poll_link(struct dsa_switch *ds); 64 void mv88e6xxx_get_strings(struct dsa_switch *ds, 65 int nr_stats, struct mv88e6xxx_hw_stat *stats, 66 int port, uint8_t *data); 67 void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds, 68 int nr_stats, struct mv88e6xxx_hw_stat *stats, 69 int port, uint64_t *data); 70 71 extern struct dsa_switch_driver mv88e6131_switch_driver; 72 extern struct dsa_switch_driver mv88e6123_61_65_switch_driver; 73 74 #define REG_READ(addr, reg) \ 75 ({ \ 76 int __ret; \ 77 \ 78 __ret = mv88e6xxx_reg_read(ds, addr, reg); \ 79 if (__ret < 0) \ 80 return __ret; \ 81 __ret; \ 82 }) 83 84 #define REG_WRITE(addr, reg, val) \ 85 ({ \ 86 int __ret; \ 87 \ 88 __ret = mv88e6xxx_reg_write(ds, addr, reg, val); \ 89 if (__ret < 0) \ 90 return __ret; \ 91 }) 92 93 94 95 #endif 96