diff options
Diffstat (limited to 'drivers/net/dsa/b53/b53_priv.h')
| -rw-r--r-- | drivers/net/dsa/b53/b53_priv.h | 392 |
1 files changed, 392 insertions, 0 deletions
diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h new file mode 100644 index 000000000..795cbffd5 --- /dev/null +++ b/drivers/net/dsa/b53/b53_priv.h @@ -0,0 +1,392 @@ +/* + * B53 common definitions + * + * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef __B53_PRIV_H +#define __B53_PRIV_H + +#include <linux/kernel.h> +#include <linux/mutex.h> +#include <linux/phylink.h> +#include <linux/etherdevice.h> +#include <net/dsa.h> + +#include "b53_regs.h" + +struct b53_device; +struct net_device; + +struct b53_io_ops { + int (*read8)(struct b53_device *dev, u8 page, u8 reg, u8 *value); + int (*read16)(struct b53_device *dev, u8 page, u8 reg, u16 *value); + int (*read32)(struct b53_device *dev, u8 page, u8 reg, u32 *value); + int (*read48)(struct b53_device *dev, u8 page, u8 reg, u64 *value); + int (*read64)(struct b53_device *dev, u8 page, u8 reg, u64 *value); + int (*write8)(struct b53_device *dev, u8 page, u8 reg, u8 value); + int (*write16)(struct b53_device *dev, u8 page, u8 reg, u16 value); + int (*write32)(struct b53_device *dev, u8 page, u8 reg, u32 value); + int (*write48)(struct b53_device *dev, u8 page, u8 reg, u64 value); + int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value); + int (*phy_read16)(struct b53_device *dev, int addr, int reg, u16 *value); + int (*phy_write16)(struct b53_device *dev, int addr, int reg, u16 value); + int (*irq_enable)(struct b53_device *dev, int port); + void (*irq_disable)(struct b53_device *dev, int port); + void (*phylink_get_caps)(struct b53_device *dev, int port, + struct phylink_config *config); + struct phylink_pcs *(*phylink_mac_select_pcs)(struct b53_device *dev, + int port, + phy_interface_t interface); + u8 (*serdes_map_lane)(struct b53_device *dev, int port); + void (*serdes_link_set)(struct b53_device *dev, int port, + unsigned int mode, phy_interface_t interface, + bool link_up); +}; + +#define B53_INVALID_LANE 0xff + +enum { + BCM4908_DEVICE_ID = 0x4908, + BCM5325_DEVICE_ID = 0x25, + BCM5365_DEVICE_ID = 0x65, + BCM5389_DEVICE_ID = 0x89, + BCM5395_DEVICE_ID = 0x95, + BCM5397_DEVICE_ID = 0x97, + BCM5398_DEVICE_ID = 0x98, + BCM53115_DEVICE_ID = 0x53115, + BCM53125_DEVICE_ID = 0x53125, + BCM53128_DEVICE_ID = 0x53128, + BCM63XX_DEVICE_ID = 0x6300, + BCM53010_DEVICE_ID = 0x53010, + BCM53011_DEVICE_ID = 0x53011, + BCM53012_DEVICE_ID = 0x53012, + BCM53018_DEVICE_ID = 0x53018, + BCM53019_DEVICE_ID = 0x53019, + BCM58XX_DEVICE_ID = 0x5800, + BCM583XX_DEVICE_ID = 0x58300, + BCM7445_DEVICE_ID = 0x7445, + BCM7278_DEVICE_ID = 0x7278, +}; + +struct b53_pcs { + struct phylink_pcs pcs; + struct b53_device *dev; + u8 lane; +}; + +#define B53_N_PORTS 9 +#define B53_N_PORTS_25 6 +#define B53_N_PCS 2 + +struct b53_port { + u16 vlan_ctl_mask; + struct ethtool_eee eee; +}; + +struct b53_vlan { + u16 members; + u16 untag; + bool valid; +}; + +struct b53_device { + struct dsa_switch *ds; + struct b53_platform_data *pdata; + const char *name; + + struct mutex reg_mutex; + struct mutex stats_mutex; + struct mutex arl_mutex; + const struct b53_io_ops *ops; + + /* chip specific data */ + u32 chip_id; + u8 core_rev; + u8 vta_regs[3]; + u8 duplex_reg; + u8 jumbo_pm_reg; + u8 jumbo_size_reg; + int reset_gpio; + u8 num_arl_bins; + u16 num_arl_buckets; + enum dsa_tag_protocol tag_protocol; + + /* used ports mask */ + u16 enabled_ports; + unsigned int imp_port; + + /* connect specific data */ + u8 current_page; + struct device *dev; + u8 serdes_lane; + + /* Master MDIO bus we got probed from */ + struct mii_bus *bus; + + void *priv; + + /* run time configuration */ + bool enable_jumbo; + + unsigned int num_vlans; + struct b53_vlan *vlans; + bool vlan_enabled; + unsigned int num_ports; + struct b53_port *ports; + + struct b53_pcs pcs[B53_N_PCS]; +}; + +#define b53_for_each_port(dev, i) \ + for (i = 0; i < B53_N_PORTS; i++) \ + if (dev->enabled_ports & BIT(i)) + + +static inline int is5325(struct b53_device *dev) +{ + return dev->chip_id == BCM5325_DEVICE_ID; +} + +static inline int is5365(struct b53_device *dev) +{ +#ifdef CONFIG_BCM47XX + return dev->chip_id == BCM5365_DEVICE_ID; +#else + return 0; +#endif +} + +static inline int is5397_98(struct b53_device *dev) +{ + return dev->chip_id == BCM5397_DEVICE_ID || + dev->chip_id == BCM5398_DEVICE_ID; +} + +static inline int is539x(struct b53_device *dev) +{ + return dev->chip_id == BCM5395_DEVICE_ID || + dev->chip_id == BCM5397_DEVICE_ID || + dev->chip_id == BCM5398_DEVICE_ID; +} + +static inline int is531x5(struct b53_device *dev) +{ + return dev->chip_id == BCM53115_DEVICE_ID || + dev->chip_id == BCM53125_DEVICE_ID || + dev->chip_id == BCM53128_DEVICE_ID; +} + +static inline int is63xx(struct b53_device *dev) +{ + return dev->chip_id == BCM63XX_DEVICE_ID; +} + +static inline int is5301x(struct b53_device *dev) +{ + return dev->chip_id == BCM53010_DEVICE_ID || + dev->chip_id == BCM53011_DEVICE_ID || + dev->chip_id == BCM53012_DEVICE_ID || + dev->chip_id == BCM53018_DEVICE_ID || + dev->chip_id == BCM53019_DEVICE_ID; +} + +static inline int is58xx(struct b53_device *dev) +{ + return dev->chip_id == BCM58XX_DEVICE_ID || + dev->chip_id == BCM583XX_DEVICE_ID || + dev->chip_id == BCM7445_DEVICE_ID || + dev->chip_id == BCM7278_DEVICE_ID; +} + +#define B53_CPU_PORT_25 5 +#define B53_CPU_PORT 8 + +static inline unsigned int b53_max_arl_entries(struct b53_device *dev) +{ + return dev->num_arl_buckets * dev->num_arl_bins; +} + +struct b53_device *b53_switch_alloc(struct device *base, + const struct b53_io_ops *ops, + void *priv); + +int b53_switch_detect(struct b53_device *dev); + +int b53_switch_register(struct b53_device *dev); + +static inline void b53_switch_remove(struct b53_device *dev) +{ + dsa_unregister_switch(dev->ds); +} + +static inline void b53_switch_shutdown(struct b53_device *dev) +{ + dsa_switch_shutdown(dev->ds); +} + +#define b53_build_op(type_op_size, val_type) \ +static inline int b53_##type_op_size(struct b53_device *dev, u8 page, \ + u8 reg, val_type val) \ +{ \ + int ret; \ + \ + mutex_lock(&dev->reg_mutex); \ + ret = dev->ops->type_op_size(dev, page, reg, val); \ + mutex_unlock(&dev->reg_mutex); \ + \ + return ret; \ +} + +b53_build_op(read8, u8 *); +b53_build_op(read16, u16 *); +b53_build_op(read32, u32 *); +b53_build_op(read48, u64 *); +b53_build_op(read64, u64 *); + +b53_build_op(write8, u8); +b53_build_op(write16, u16); +b53_build_op(write32, u32); +b53_build_op(write48, u64); +b53_build_op(write64, u64); + +struct b53_arl_entry { + u16 port; + u8 mac[ETH_ALEN]; + u16 vid; + u8 is_valid:1; + u8 is_age:1; + u8 is_static:1; +}; + +static inline void b53_arl_to_entry(struct b53_arl_entry *ent, + u64 mac_vid, u32 fwd_entry) +{ + memset(ent, 0, sizeof(*ent)); + ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK; + ent->is_valid = !!(fwd_entry & ARLTBL_VALID); + ent->is_age = !!(fwd_entry & ARLTBL_AGE); + ent->is_static = !!(fwd_entry & ARLTBL_STATIC); + u64_to_ether_addr(mac_vid, ent->mac); + ent->vid = mac_vid >> ARLTBL_VID_S; +} + +static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry, + const struct b53_arl_entry *ent) +{ + *mac_vid = ether_addr_to_u64(ent->mac); + *mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S; + *fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK; + if (ent->is_valid) + *fwd_entry |= ARLTBL_VALID; + if (ent->is_static) + *fwd_entry |= ARLTBL_STATIC; + if (ent->is_age) + *fwd_entry |= ARLTBL_AGE; +} + +#ifdef CONFIG_BCM47XX + +#include <linux/bcm47xx_nvram.h> +#include <bcm47xx_board.h> +static inline int b53_switch_get_reset_gpio(struct b53_device *dev) +{ + enum bcm47xx_board board = bcm47xx_board_get(); + + switch (board) { + case BCM47XX_BOARD_LINKSYS_WRT300NV11: + case BCM47XX_BOARD_LINKSYS_WRT310NV1: + return 8; + default: + return bcm47xx_nvram_gpio_pin("robo_reset"); + } +} +#else +static inline int b53_switch_get_reset_gpio(struct b53_device *dev) +{ + return -ENOENT; +} +#endif + +/* Exported functions towards other drivers */ +void b53_imp_vlan_setup(struct dsa_switch *ds, int cpu_port); +int b53_configure_vlan(struct dsa_switch *ds); +void b53_get_strings(struct dsa_switch *ds, int port, u32 stringset, + uint8_t *data); +void b53_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data); +int b53_get_sset_count(struct dsa_switch *ds, int port, int sset); +void b53_get_ethtool_phy_stats(struct dsa_switch *ds, int port, uint64_t *data); +int b53_br_join(struct dsa_switch *ds, int port, struct dsa_bridge bridge, + bool *tx_fwd_offload, struct netlink_ext_ack *extack); +void b53_br_leave(struct dsa_switch *ds, int port, struct dsa_bridge bridge); +void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state); +void b53_br_fast_age(struct dsa_switch *ds, int port); +int b53_br_flags_pre(struct dsa_switch *ds, int port, + struct switchdev_brport_flags flags, + struct netlink_ext_ack *extack); +int b53_br_flags(struct dsa_switch *ds, int port, + struct switchdev_brport_flags flags, + struct netlink_ext_ack *extack); +int b53_setup_devlink_resources(struct dsa_switch *ds); +void b53_port_event(struct dsa_switch *ds, int port); +void b53_phylink_mac_config(struct dsa_switch *ds, int port, + unsigned int mode, + const struct phylink_link_state *state); +void b53_phylink_mac_link_down(struct dsa_switch *ds, int port, + unsigned int mode, + phy_interface_t interface); +void b53_phylink_mac_link_up(struct dsa_switch *ds, int port, + unsigned int mode, + phy_interface_t interface, + struct phy_device *phydev, + int speed, int duplex, + bool tx_pause, bool rx_pause); +int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering, + struct netlink_ext_ack *extack); +int b53_vlan_add(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_vlan *vlan, + struct netlink_ext_ack *extack); +int b53_vlan_del(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_vlan *vlan); +int b53_fdb_add(struct dsa_switch *ds, int port, + const unsigned char *addr, u16 vid, + struct dsa_db db); +int b53_fdb_del(struct dsa_switch *ds, int port, + const unsigned char *addr, u16 vid, + struct dsa_db db); +int b53_fdb_dump(struct dsa_switch *ds, int port, + dsa_fdb_dump_cb_t *cb, void *data); +int b53_mdb_add(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_mdb *mdb, + struct dsa_db db); +int b53_mdb_del(struct dsa_switch *ds, int port, + const struct switchdev_obj_port_mdb *mdb, + struct dsa_db db); +int b53_mirror_add(struct dsa_switch *ds, int port, + struct dsa_mall_mirror_tc_entry *mirror, bool ingress, + struct netlink_ext_ack *extack); +enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port, + enum dsa_tag_protocol mprot); +void b53_mirror_del(struct dsa_switch *ds, int port, + struct dsa_mall_mirror_tc_entry *mirror); +int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy); +void b53_disable_port(struct dsa_switch *ds, int port); +void b53_brcm_hdr_setup(struct dsa_switch *ds, int port); +void b53_eee_enable_set(struct dsa_switch *ds, int port, bool enable); +int b53_eee_init(struct dsa_switch *ds, int port, struct phy_device *phy); +int b53_get_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e); +int b53_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e); + +#endif |