1 /* 2 * B53 common definitions 3 * 4 * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org> 5 * 6 * Permission to use, copy, modify, and/or distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #ifndef __B53_PRIV_H 20 #define __B53_PRIV_H 21 22 #include <linux/kernel.h> 23 #include <linux/mutex.h> 24 #include <linux/phy.h> 25 #include <linux/etherdevice.h> 26 #include <net/dsa.h> 27 28 #include "b53_regs.h" 29 30 struct b53_device; 31 struct net_device; 32 struct phylink_link_state; 33 34 struct b53_io_ops { 35 int (*read8)(struct b53_device *dev, u8 page, u8 reg, u8 *value); 36 int (*read16)(struct b53_device *dev, u8 page, u8 reg, u16 *value); 37 int (*read32)(struct b53_device *dev, u8 page, u8 reg, u32 *value); 38 int (*read48)(struct b53_device *dev, u8 page, u8 reg, u64 *value); 39 int (*read64)(struct b53_device *dev, u8 page, u8 reg, u64 *value); 40 int (*write8)(struct b53_device *dev, u8 page, u8 reg, u8 value); 41 int (*write16)(struct b53_device *dev, u8 page, u8 reg, u16 value); 42 int (*write32)(struct b53_device *dev, u8 page, u8 reg, u32 value); 43 int (*write48)(struct b53_device *dev, u8 page, u8 reg, u64 value); 44 int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value); 45 int (*phy_read16)(struct b53_device *dev, int addr, int reg, u16 *value); 46 int (*phy_write16)(struct b53_device *dev, int addr, int reg, u16 value); 47 int (*irq_enable)(struct b53_device *dev, int port); 48 void (*irq_disable)(struct b53_device *dev, int port); 49 u8 (*serdes_map_lane)(struct b53_device *dev, int port); 50 int (*serdes_link_state)(struct b53_device *dev, int port, 51 struct phylink_link_state *state); 52 void (*serdes_config)(struct b53_device *dev, int port, 53 unsigned int mode, 54 const struct phylink_link_state *state); 55 void (*serdes_an_restart)(struct b53_device *dev, int port); 56 void (*serdes_link_set)(struct b53_device *dev, int port, 57 unsigned int mode, phy_interface_t interface, 58 bool link_up); 59 void (*serdes_phylink_validate)(struct b53_device *dev, int port, 60 unsigned long *supported, 61 struct phylink_link_state *state); 62 }; 63 64 #define B53_INVALID_LANE 0xff 65 66 enum { 67 BCM5325_DEVICE_ID = 0x25, 68 BCM5365_DEVICE_ID = 0x65, 69 BCM5389_DEVICE_ID = 0x89, 70 BCM5395_DEVICE_ID = 0x95, 71 BCM5397_DEVICE_ID = 0x97, 72 BCM5398_DEVICE_ID = 0x98, 73 BCM53115_DEVICE_ID = 0x53115, 74 BCM53125_DEVICE_ID = 0x53125, 75 BCM53128_DEVICE_ID = 0x53128, 76 BCM63XX_DEVICE_ID = 0x6300, 77 BCM53010_DEVICE_ID = 0x53010, 78 BCM53011_DEVICE_ID = 0x53011, 79 BCM53012_DEVICE_ID = 0x53012, 80 BCM53018_DEVICE_ID = 0x53018, 81 BCM53019_DEVICE_ID = 0x53019, 82 BCM58XX_DEVICE_ID = 0x5800, 83 BCM583XX_DEVICE_ID = 0x58300, 84 BCM7445_DEVICE_ID = 0x7445, 85 BCM7278_DEVICE_ID = 0x7278, 86 }; 87 88 #define B53_N_PORTS 9 89 #define B53_N_PORTS_25 6 90 91 struct b53_port { 92 u16 vlan_ctl_mask; 93 struct ethtool_eee eee; 94 }; 95 96 struct b53_vlan { 97 u16 members; 98 u16 untag; 99 bool valid; 100 }; 101 102 struct b53_device { 103 struct dsa_switch *ds; 104 struct b53_platform_data *pdata; 105 const char *name; 106 107 struct mutex reg_mutex; 108 struct mutex stats_mutex; 109 const struct b53_io_ops *ops; 110 111 /* chip specific data */ 112 u32 chip_id; 113 u8 core_rev; 114 u8 vta_regs[3]; 115 u8 duplex_reg; 116 u8 jumbo_pm_reg; 117 u8 jumbo_size_reg; 118 int reset_gpio; 119 u8 num_arl_entries; 120 121 /* used ports mask */ 122 u16 enabled_ports; 123 unsigned int cpu_port; 124 125 /* connect specific data */ 126 u8 current_page; 127 struct device *dev; 128 u8 serdes_lane; 129 130 /* Master MDIO bus we got probed from */ 131 struct mii_bus *bus; 132 133 void *priv; 134 135 /* run time configuration */ 136 bool enable_jumbo; 137 138 unsigned int num_vlans; 139 struct b53_vlan *vlans; 140 unsigned int num_ports; 141 struct b53_port *ports; 142 }; 143 144 #define b53_for_each_port(dev, i) \ 145 for (i = 0; i < B53_N_PORTS; i++) \ 146 if (dev->enabled_ports & BIT(i)) 147 148 149 static inline int is5325(struct b53_device *dev) 150 { 151 return dev->chip_id == BCM5325_DEVICE_ID; 152 } 153 154 static inline int is5365(struct b53_device *dev) 155 { 156 #ifdef CONFIG_BCM47XX 157 return dev->chip_id == BCM5365_DEVICE_ID; 158 #else 159 return 0; 160 #endif 161 } 162 163 static inline int is5397_98(struct b53_device *dev) 164 { 165 return dev->chip_id == BCM5397_DEVICE_ID || 166 dev->chip_id == BCM5398_DEVICE_ID; 167 } 168 169 static inline int is539x(struct b53_device *dev) 170 { 171 return dev->chip_id == BCM5395_DEVICE_ID || 172 dev->chip_id == BCM5397_DEVICE_ID || 173 dev->chip_id == BCM5398_DEVICE_ID; 174 } 175 176 static inline int is531x5(struct b53_device *dev) 177 { 178 return dev->chip_id == BCM53115_DEVICE_ID || 179 dev->chip_id == BCM53125_DEVICE_ID || 180 dev->chip_id == BCM53128_DEVICE_ID; 181 } 182 183 static inline int is63xx(struct b53_device *dev) 184 { 185 #ifdef CONFIG_BCM63XX 186 return dev->chip_id == BCM63XX_DEVICE_ID; 187 #else 188 return 0; 189 #endif 190 } 191 192 static inline int is5301x(struct b53_device *dev) 193 { 194 return dev->chip_id == BCM53010_DEVICE_ID || 195 dev->chip_id == BCM53011_DEVICE_ID || 196 dev->chip_id == BCM53012_DEVICE_ID || 197 dev->chip_id == BCM53018_DEVICE_ID || 198 dev->chip_id == BCM53019_DEVICE_ID; 199 } 200 201 static inline int is58xx(struct b53_device *dev) 202 { 203 return dev->chip_id == BCM58XX_DEVICE_ID || 204 dev->chip_id == BCM583XX_DEVICE_ID || 205 dev->chip_id == BCM7445_DEVICE_ID || 206 dev->chip_id == BCM7278_DEVICE_ID; 207 } 208 209 #define B53_CPU_PORT_25 5 210 #define B53_CPU_PORT 8 211 212 struct b53_device *b53_switch_alloc(struct device *base, 213 const struct b53_io_ops *ops, 214 void *priv); 215 216 int b53_switch_detect(struct b53_device *dev); 217 218 int b53_switch_register(struct b53_device *dev); 219 220 static inline void b53_switch_remove(struct b53_device *dev) 221 { 222 dsa_unregister_switch(dev->ds); 223 } 224 225 #define b53_build_op(type_op_size, val_type) \ 226 static inline int b53_##type_op_size(struct b53_device *dev, u8 page, \ 227 u8 reg, val_type val) \ 228 { \ 229 int ret; \ 230 \ 231 mutex_lock(&dev->reg_mutex); \ 232 ret = dev->ops->type_op_size(dev, page, reg, val); \ 233 mutex_unlock(&dev->reg_mutex); \ 234 \ 235 return ret; \ 236 } 237 238 b53_build_op(read8, u8 *); 239 b53_build_op(read16, u16 *); 240 b53_build_op(read32, u32 *); 241 b53_build_op(read48, u64 *); 242 b53_build_op(read64, u64 *); 243 244 b53_build_op(write8, u8); 245 b53_build_op(write16, u16); 246 b53_build_op(write32, u32); 247 b53_build_op(write48, u64); 248 b53_build_op(write64, u64); 249 250 struct b53_arl_entry { 251 u8 port; 252 u8 mac[ETH_ALEN]; 253 u16 vid; 254 u8 is_valid:1; 255 u8 is_age:1; 256 u8 is_static:1; 257 }; 258 259 static inline void b53_arl_to_entry(struct b53_arl_entry *ent, 260 u64 mac_vid, u32 fwd_entry) 261 { 262 memset(ent, 0, sizeof(*ent)); 263 ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK; 264 ent->is_valid = !!(fwd_entry & ARLTBL_VALID); 265 ent->is_age = !!(fwd_entry & ARLTBL_AGE); 266 ent->is_static = !!(fwd_entry & ARLTBL_STATIC); 267 u64_to_ether_addr(mac_vid, ent->mac); 268 ent->vid = mac_vid >> ARLTBL_VID_S; 269 } 270 271 static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry, 272 const struct b53_arl_entry *ent) 273 { 274 *mac_vid = ether_addr_to_u64(ent->mac); 275 *mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S; 276 *fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK; 277 if (ent->is_valid) 278 *fwd_entry |= ARLTBL_VALID; 279 if (ent->is_static) 280 *fwd_entry |= ARLTBL_STATIC; 281 if (ent->is_age) 282 *fwd_entry |= ARLTBL_AGE; 283 } 284 285 #ifdef CONFIG_BCM47XX 286 287 #include <linux/bcm47xx_nvram.h> 288 #include <bcm47xx_board.h> 289 static inline int b53_switch_get_reset_gpio(struct b53_device *dev) 290 { 291 enum bcm47xx_board board = bcm47xx_board_get(); 292 293 switch (board) { 294 case BCM47XX_BOARD_LINKSYS_WRT300NV11: 295 case BCM47XX_BOARD_LINKSYS_WRT310NV1: 296 return 8; 297 default: 298 return bcm47xx_nvram_gpio_pin("robo_reset"); 299 } 300 } 301 #else 302 static inline int b53_switch_get_reset_gpio(struct b53_device *dev) 303 { 304 return -ENOENT; 305 } 306 #endif 307 308 /* Exported functions towards other drivers */ 309 void b53_imp_vlan_setup(struct dsa_switch *ds, int cpu_port); 310 int b53_configure_vlan(struct dsa_switch *ds); 311 void b53_get_strings(struct dsa_switch *ds, int port, u32 stringset, 312 uint8_t *data); 313 void b53_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data); 314 int b53_get_sset_count(struct dsa_switch *ds, int port, int sset); 315 void b53_get_ethtool_phy_stats(struct dsa_switch *ds, int port, uint64_t *data); 316 int b53_br_join(struct dsa_switch *ds, int port, struct net_device *bridge); 317 void b53_br_leave(struct dsa_switch *ds, int port, struct net_device *bridge); 318 void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state); 319 void b53_br_fast_age(struct dsa_switch *ds, int port); 320 void b53_port_event(struct dsa_switch *ds, int port); 321 void b53_phylink_validate(struct dsa_switch *ds, int port, 322 unsigned long *supported, 323 struct phylink_link_state *state); 324 int b53_phylink_mac_link_state(struct dsa_switch *ds, int port, 325 struct phylink_link_state *state); 326 void b53_phylink_mac_config(struct dsa_switch *ds, int port, 327 unsigned int mode, 328 const struct phylink_link_state *state); 329 void b53_phylink_mac_an_restart(struct dsa_switch *ds, int port); 330 void b53_phylink_mac_link_down(struct dsa_switch *ds, int port, 331 unsigned int mode, 332 phy_interface_t interface); 333 void b53_phylink_mac_link_up(struct dsa_switch *ds, int port, 334 unsigned int mode, 335 phy_interface_t interface, 336 struct phy_device *phydev); 337 int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering); 338 int b53_vlan_prepare(struct dsa_switch *ds, int port, 339 const struct switchdev_obj_port_vlan *vlan); 340 void b53_vlan_add(struct dsa_switch *ds, int port, 341 const struct switchdev_obj_port_vlan *vlan); 342 int b53_vlan_del(struct dsa_switch *ds, int port, 343 const struct switchdev_obj_port_vlan *vlan); 344 int b53_fdb_add(struct dsa_switch *ds, int port, 345 const unsigned char *addr, u16 vid); 346 int b53_fdb_del(struct dsa_switch *ds, int port, 347 const unsigned char *addr, u16 vid); 348 int b53_fdb_dump(struct dsa_switch *ds, int port, 349 dsa_fdb_dump_cb_t *cb, void *data); 350 int b53_mirror_add(struct dsa_switch *ds, int port, 351 struct dsa_mall_mirror_tc_entry *mirror, bool ingress); 352 enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port); 353 void b53_mirror_del(struct dsa_switch *ds, int port, 354 struct dsa_mall_mirror_tc_entry *mirror); 355 int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy); 356 void b53_disable_port(struct dsa_switch *ds, int port, struct phy_device *phy); 357 void b53_brcm_hdr_setup(struct dsa_switch *ds, int port); 358 void b53_eee_enable_set(struct dsa_switch *ds, int port, bool enable); 359 int b53_eee_init(struct dsa_switch *ds, int port, struct phy_device *phy); 360 int b53_get_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e); 361 int b53_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e); 362 363 #endif 364