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1/*2 * B53 common definitions3 *4 * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org>5 *6 * Permission to use, copy, modify, and/or distribute this software for any7 * purpose with or without fee is hereby granted, provided that the above8 * copyright notice and this permission notice appear in all copies.9 *10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.17 */18 19#ifndef __B53_PRIV_H20#define __B53_PRIV_H21 22#include <linux/kernel.h>23#include <linux/mutex.h>24#include <linux/phylink.h>25#include <linux/etherdevice.h>26#include <net/dsa.h>27 28#include "b53_regs.h"29 30struct b53_device;31struct net_device;32 33struct b53_io_ops {34 int (*read8)(struct b53_device *dev, u8 page, u8 reg, u8 *value);35 int (*read16)(struct b53_device *dev, u8 page, u8 reg, u16 *value);36 int (*read32)(struct b53_device *dev, u8 page, u8 reg, u32 *value);37 int (*read48)(struct b53_device *dev, u8 page, u8 reg, u64 *value);38 int (*read64)(struct b53_device *dev, u8 page, u8 reg, u64 *value);39 int (*write8)(struct b53_device *dev, u8 page, u8 reg, u8 value);40 int (*write16)(struct b53_device *dev, u8 page, u8 reg, u16 value);41 int (*write32)(struct b53_device *dev, u8 page, u8 reg, u32 value);42 int (*write48)(struct b53_device *dev, u8 page, u8 reg, u64 value);43 int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value);44 int (*phy_read16)(struct b53_device *dev, int addr, int reg, u16 *value);45 int (*phy_write16)(struct b53_device *dev, int addr, int reg, u16 value);46 int (*irq_enable)(struct b53_device *dev, int port);47 void (*irq_disable)(struct b53_device *dev, int port);48 void (*phylink_get_caps)(struct b53_device *dev, int port,49 struct phylink_config *config);50 struct phylink_pcs *(*phylink_mac_select_pcs)(struct b53_device *dev,51 int port,52 phy_interface_t interface);53 u8 (*serdes_map_lane)(struct b53_device *dev, int port);54 void (*serdes_link_set)(struct b53_device *dev, int port,55 unsigned int mode, phy_interface_t interface,56 bool link_up);57};58 59#define B53_INVALID_LANE 0xff60 61enum {62 BCM4908_DEVICE_ID = 0x4908,63 BCM5325_DEVICE_ID = 0x25,64 BCM5365_DEVICE_ID = 0x65,65 BCM5389_DEVICE_ID = 0x89,66 BCM5395_DEVICE_ID = 0x95,67 BCM5397_DEVICE_ID = 0x97,68 BCM5398_DEVICE_ID = 0x98,69 BCM53115_DEVICE_ID = 0x53115,70 BCM53125_DEVICE_ID = 0x53125,71 BCM53128_DEVICE_ID = 0x53128,72 BCM63XX_DEVICE_ID = 0x6300,73 BCM63268_DEVICE_ID = 0x63268,74 BCM53010_DEVICE_ID = 0x53010,75 BCM53011_DEVICE_ID = 0x53011,76 BCM53012_DEVICE_ID = 0x53012,77 BCM53018_DEVICE_ID = 0x53018,78 BCM53019_DEVICE_ID = 0x53019,79 BCM58XX_DEVICE_ID = 0x5800,80 BCM583XX_DEVICE_ID = 0x58300,81 BCM7445_DEVICE_ID = 0x7445,82 BCM7278_DEVICE_ID = 0x7278,83 BCM53134_DEVICE_ID = 0x5075,84};85 86struct b53_pcs {87 struct phylink_pcs pcs;88 struct b53_device *dev;89 u8 lane;90};91 92#define B53_N_PORTS 993#define B53_N_PORTS_25 694#define B53_N_PCS 295 96struct b53_port {97 u16 vlan_ctl_mask;98 struct ethtool_keee eee;99};100 101struct b53_vlan {102 u16 members;103 u16 untag;104 bool valid;105};106 107struct b53_device {108 struct dsa_switch *ds;109 struct b53_platform_data *pdata;110 const char *name;111 112 struct mutex reg_mutex;113 struct mutex stats_mutex;114 struct mutex arl_mutex;115 const struct b53_io_ops *ops;116 117 /* chip specific data */118 u32 chip_id;119 u8 core_rev;120 u8 vta_regs[3];121 u8 duplex_reg;122 u8 jumbo_pm_reg;123 u8 jumbo_size_reg;124 int reset_gpio;125 u8 num_arl_bins;126 u16 num_arl_buckets;127 enum dsa_tag_protocol tag_protocol;128 129 /* used ports mask */130 u16 enabled_ports;131 unsigned int imp_port;132 133 /* connect specific data */134 u8 current_page;135 struct device *dev;136 u8 serdes_lane;137 138 /* Master MDIO bus we got probed from */139 struct mii_bus *bus;140 141 void *priv;142 143 /* run time configuration */144 bool enable_jumbo;145 146 unsigned int num_vlans;147 struct b53_vlan *vlans;148 bool vlan_enabled;149 unsigned int num_ports;150 struct b53_port *ports;151 152 struct b53_pcs pcs[B53_N_PCS];153};154 155#define b53_for_each_port(dev, i) \156 for (i = 0; i < B53_N_PORTS; i++) \157 if (dev->enabled_ports & BIT(i))158 159 160static inline int is5325(struct b53_device *dev)161{162 return dev->chip_id == BCM5325_DEVICE_ID;163}164 165static inline int is5365(struct b53_device *dev)166{167#ifdef CONFIG_BCM47XX168 return dev->chip_id == BCM5365_DEVICE_ID;169#else170 return 0;171#endif172}173 174static inline int is5397_98(struct b53_device *dev)175{176 return dev->chip_id == BCM5397_DEVICE_ID ||177 dev->chip_id == BCM5398_DEVICE_ID;178}179 180static inline int is539x(struct b53_device *dev)181{182 return dev->chip_id == BCM5395_DEVICE_ID ||183 dev->chip_id == BCM5397_DEVICE_ID ||184 dev->chip_id == BCM5398_DEVICE_ID;185}186 187static inline int is531x5(struct b53_device *dev)188{189 return dev->chip_id == BCM53115_DEVICE_ID ||190 dev->chip_id == BCM53125_DEVICE_ID ||191 dev->chip_id == BCM53128_DEVICE_ID ||192 dev->chip_id == BCM53134_DEVICE_ID;193}194 195static inline int is63xx(struct b53_device *dev)196{197 return dev->chip_id == BCM63XX_DEVICE_ID ||198 dev->chip_id == BCM63268_DEVICE_ID;199}200 201static inline int is63268(struct b53_device *dev)202{203 return dev->chip_id == BCM63268_DEVICE_ID;204}205 206static inline int is5301x(struct b53_device *dev)207{208 return dev->chip_id == BCM53010_DEVICE_ID ||209 dev->chip_id == BCM53011_DEVICE_ID ||210 dev->chip_id == BCM53012_DEVICE_ID ||211 dev->chip_id == BCM53018_DEVICE_ID ||212 dev->chip_id == BCM53019_DEVICE_ID;213}214 215static inline int is58xx(struct b53_device *dev)216{217 return dev->chip_id == BCM58XX_DEVICE_ID ||218 dev->chip_id == BCM583XX_DEVICE_ID ||219 dev->chip_id == BCM7445_DEVICE_ID ||220 dev->chip_id == BCM7278_DEVICE_ID ||221 dev->chip_id == BCM53134_DEVICE_ID;222}223 224#define B53_63XX_RGMII0 4225#define B53_CPU_PORT_25 5226#define B53_CPU_PORT 8227 228static inline unsigned int b53_max_arl_entries(struct b53_device *dev)229{230 return dev->num_arl_buckets * dev->num_arl_bins;231}232 233struct b53_device *b53_switch_alloc(struct device *base,234 const struct b53_io_ops *ops,235 void *priv);236 237int b53_switch_detect(struct b53_device *dev);238 239int b53_switch_register(struct b53_device *dev);240 241static inline void b53_switch_remove(struct b53_device *dev)242{243 dsa_unregister_switch(dev->ds);244}245 246static inline void b53_switch_shutdown(struct b53_device *dev)247{248 dsa_switch_shutdown(dev->ds);249}250 251#define b53_build_op(type_op_size, val_type) \252static inline int b53_##type_op_size(struct b53_device *dev, u8 page, \253 u8 reg, val_type val) \254{ \255 int ret; \256 \257 mutex_lock(&dev->reg_mutex); \258 ret = dev->ops->type_op_size(dev, page, reg, val); \259 mutex_unlock(&dev->reg_mutex); \260 \261 return ret; \262}263 264b53_build_op(read8, u8 *);265b53_build_op(read16, u16 *);266b53_build_op(read32, u32 *);267b53_build_op(read48, u64 *);268b53_build_op(read64, u64 *);269 270b53_build_op(write8, u8);271b53_build_op(write16, u16);272b53_build_op(write32, u32);273b53_build_op(write48, u64);274b53_build_op(write64, u64);275 276struct b53_arl_entry {277 u16 port;278 u8 mac[ETH_ALEN];279 u16 vid;280 u8 is_valid:1;281 u8 is_age:1;282 u8 is_static:1;283};284 285static inline void b53_arl_to_entry(struct b53_arl_entry *ent,286 u64 mac_vid, u32 fwd_entry)287{288 memset(ent, 0, sizeof(*ent));289 ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK;290 ent->is_valid = !!(fwd_entry & ARLTBL_VALID);291 ent->is_age = !!(fwd_entry & ARLTBL_AGE);292 ent->is_static = !!(fwd_entry & ARLTBL_STATIC);293 u64_to_ether_addr(mac_vid, ent->mac);294 ent->vid = mac_vid >> ARLTBL_VID_S;295}296 297static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry,298 const struct b53_arl_entry *ent)299{300 *mac_vid = ether_addr_to_u64(ent->mac);301 *mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S;302 *fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK;303 if (ent->is_valid)304 *fwd_entry |= ARLTBL_VALID;305 if (ent->is_static)306 *fwd_entry |= ARLTBL_STATIC;307 if (ent->is_age)308 *fwd_entry |= ARLTBL_AGE;309}310 311#ifdef CONFIG_BCM47XX312 313#include <linux/bcm47xx_nvram.h>314#include <bcm47xx_board.h>315static inline int b53_switch_get_reset_gpio(struct b53_device *dev)316{317 enum bcm47xx_board board = bcm47xx_board_get();318 319 switch (board) {320 case BCM47XX_BOARD_LINKSYS_WRT300NV11:321 case BCM47XX_BOARD_LINKSYS_WRT310NV1:322 return 8;323 default:324 return bcm47xx_nvram_gpio_pin("robo_reset");325 }326}327#else328static inline int b53_switch_get_reset_gpio(struct b53_device *dev)329{330 return -ENOENT;331}332#endif333 334/* Exported functions towards other drivers */335void b53_imp_vlan_setup(struct dsa_switch *ds, int cpu_port);336int b53_configure_vlan(struct dsa_switch *ds);337void b53_get_strings(struct dsa_switch *ds, int port, u32 stringset,338 uint8_t *data);339void b53_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data);340int b53_get_sset_count(struct dsa_switch *ds, int port, int sset);341void b53_get_ethtool_phy_stats(struct dsa_switch *ds, int port, uint64_t *data);342int b53_br_join(struct dsa_switch *ds, int port, struct dsa_bridge bridge,343 bool *tx_fwd_offload, struct netlink_ext_ack *extack);344void b53_br_leave(struct dsa_switch *ds, int port, struct dsa_bridge bridge);345void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state);346void b53_br_fast_age(struct dsa_switch *ds, int port);347int b53_br_flags_pre(struct dsa_switch *ds, int port,348 struct switchdev_brport_flags flags,349 struct netlink_ext_ack *extack);350int b53_br_flags(struct dsa_switch *ds, int port,351 struct switchdev_brport_flags flags,352 struct netlink_ext_ack *extack);353int b53_setup_devlink_resources(struct dsa_switch *ds);354void b53_port_event(struct dsa_switch *ds, int port);355int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering,356 struct netlink_ext_ack *extack);357int b53_vlan_add(struct dsa_switch *ds, int port,358 const struct switchdev_obj_port_vlan *vlan,359 struct netlink_ext_ack *extack);360int b53_vlan_del(struct dsa_switch *ds, int port,361 const struct switchdev_obj_port_vlan *vlan);362int b53_fdb_add(struct dsa_switch *ds, int port,363 const unsigned char *addr, u16 vid,364 struct dsa_db db);365int b53_fdb_del(struct dsa_switch *ds, int port,366 const unsigned char *addr, u16 vid,367 struct dsa_db db);368int b53_fdb_dump(struct dsa_switch *ds, int port,369 dsa_fdb_dump_cb_t *cb, void *data);370int b53_mdb_add(struct dsa_switch *ds, int port,371 const struct switchdev_obj_port_mdb *mdb,372 struct dsa_db db);373int b53_mdb_del(struct dsa_switch *ds, int port,374 const struct switchdev_obj_port_mdb *mdb,375 struct dsa_db db);376int b53_mirror_add(struct dsa_switch *ds, int port,377 struct dsa_mall_mirror_tc_entry *mirror, bool ingress,378 struct netlink_ext_ack *extack);379enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port,380 enum dsa_tag_protocol mprot);381void b53_mirror_del(struct dsa_switch *ds, int port,382 struct dsa_mall_mirror_tc_entry *mirror);383int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy);384void b53_disable_port(struct dsa_switch *ds, int port);385void b53_brcm_hdr_setup(struct dsa_switch *ds, int port);386int b53_eee_init(struct dsa_switch *ds, int port, struct phy_device *phy);387int b53_get_mac_eee(struct dsa_switch *ds, int port, struct ethtool_keee *e);388int b53_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_keee *e);389 390#endif391