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 33 struct 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 }; 47 48 enum { 49 BCM5325_DEVICE_ID = 0x25, 50 BCM5365_DEVICE_ID = 0x65, 51 BCM5395_DEVICE_ID = 0x95, 52 BCM5397_DEVICE_ID = 0x97, 53 BCM5398_DEVICE_ID = 0x98, 54 BCM53115_DEVICE_ID = 0x53115, 55 BCM53125_DEVICE_ID = 0x53125, 56 BCM53128_DEVICE_ID = 0x53128, 57 BCM63XX_DEVICE_ID = 0x6300, 58 BCM53010_DEVICE_ID = 0x53010, 59 BCM53011_DEVICE_ID = 0x53011, 60 BCM53012_DEVICE_ID = 0x53012, 61 BCM53018_DEVICE_ID = 0x53018, 62 BCM53019_DEVICE_ID = 0x53019, 63 BCM58XX_DEVICE_ID = 0x5800, 64 BCM7445_DEVICE_ID = 0x7445, 65 BCM7278_DEVICE_ID = 0x7278, 66 }; 67 68 #define B53_N_PORTS 9 69 #define B53_N_PORTS_25 6 70 71 struct b53_port { 72 u16 vlan_ctl_mask; 73 }; 74 75 struct b53_vlan { 76 u16 members; 77 u16 untag; 78 bool valid; 79 }; 80 81 struct b53_device { 82 struct dsa_switch *ds; 83 struct b53_platform_data *pdata; 84 const char *name; 85 86 struct mutex reg_mutex; 87 struct mutex stats_mutex; 88 const struct b53_io_ops *ops; 89 90 /* chip specific data */ 91 u32 chip_id; 92 u8 core_rev; 93 u8 vta_regs[3]; 94 u8 duplex_reg; 95 u8 jumbo_pm_reg; 96 u8 jumbo_size_reg; 97 int reset_gpio; 98 u8 num_arl_entries; 99 100 /* used ports mask */ 101 u16 enabled_ports; 102 unsigned int cpu_port; 103 104 /* connect specific data */ 105 u8 current_page; 106 struct device *dev; 107 108 /* Master MDIO bus we got probed from */ 109 struct mii_bus *bus; 110 111 void *priv; 112 113 /* run time configuration */ 114 bool enable_jumbo; 115 116 unsigned int num_vlans; 117 struct b53_vlan *vlans; 118 unsigned int num_ports; 119 struct b53_port *ports; 120 }; 121 122 #define b53_for_each_port(dev, i) \ 123 for (i = 0; i < B53_N_PORTS; i++) \ 124 if (dev->enabled_ports & BIT(i)) 125 126 127 static inline int is5325(struct b53_device *dev) 128 { 129 return dev->chip_id == BCM5325_DEVICE_ID; 130 } 131 132 static inline int is5365(struct b53_device *dev) 133 { 134 #ifdef CONFIG_BCM47XX 135 return dev->chip_id == BCM5365_DEVICE_ID; 136 #else 137 return 0; 138 #endif 139 } 140 141 static inline int is5397_98(struct b53_device *dev) 142 { 143 return dev->chip_id == BCM5397_DEVICE_ID || 144 dev->chip_id == BCM5398_DEVICE_ID; 145 } 146 147 static inline int is539x(struct b53_device *dev) 148 { 149 return dev->chip_id == BCM5395_DEVICE_ID || 150 dev->chip_id == BCM5397_DEVICE_ID || 151 dev->chip_id == BCM5398_DEVICE_ID; 152 } 153 154 static inline int is531x5(struct b53_device *dev) 155 { 156 return dev->chip_id == BCM53115_DEVICE_ID || 157 dev->chip_id == BCM53125_DEVICE_ID || 158 dev->chip_id == BCM53128_DEVICE_ID; 159 } 160 161 static inline int is63xx(struct b53_device *dev) 162 { 163 #ifdef CONFIG_BCM63XX 164 return dev->chip_id == BCM63XX_DEVICE_ID; 165 #else 166 return 0; 167 #endif 168 } 169 170 static inline int is5301x(struct b53_device *dev) 171 { 172 return dev->chip_id == BCM53010_DEVICE_ID || 173 dev->chip_id == BCM53011_DEVICE_ID || 174 dev->chip_id == BCM53012_DEVICE_ID || 175 dev->chip_id == BCM53018_DEVICE_ID || 176 dev->chip_id == BCM53019_DEVICE_ID; 177 } 178 179 static inline int is58xx(struct b53_device *dev) 180 { 181 return dev->chip_id == BCM58XX_DEVICE_ID || 182 dev->chip_id == BCM7445_DEVICE_ID || 183 dev->chip_id == BCM7278_DEVICE_ID; 184 } 185 186 #define B53_CPU_PORT_25 5 187 #define B53_CPU_PORT 8 188 189 static inline int is_cpu_port(struct b53_device *dev, int port) 190 { 191 return dev->cpu_port; 192 } 193 194 struct b53_device *b53_switch_alloc(struct device *base, 195 const struct b53_io_ops *ops, 196 void *priv); 197 198 int b53_switch_detect(struct b53_device *dev); 199 200 int b53_switch_register(struct b53_device *dev); 201 202 static inline void b53_switch_remove(struct b53_device *dev) 203 { 204 dsa_unregister_switch(dev->ds); 205 } 206 207 static inline int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val) 208 { 209 int ret; 210 211 mutex_lock(&dev->reg_mutex); 212 ret = dev->ops->read8(dev, page, reg, val); 213 mutex_unlock(&dev->reg_mutex); 214 215 return ret; 216 } 217 218 static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val) 219 { 220 int ret; 221 222 mutex_lock(&dev->reg_mutex); 223 ret = dev->ops->read16(dev, page, reg, val); 224 mutex_unlock(&dev->reg_mutex); 225 226 return ret; 227 } 228 229 static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val) 230 { 231 int ret; 232 233 mutex_lock(&dev->reg_mutex); 234 ret = dev->ops->read32(dev, page, reg, val); 235 mutex_unlock(&dev->reg_mutex); 236 237 return ret; 238 } 239 240 static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val) 241 { 242 int ret; 243 244 mutex_lock(&dev->reg_mutex); 245 ret = dev->ops->read48(dev, page, reg, val); 246 mutex_unlock(&dev->reg_mutex); 247 248 return ret; 249 } 250 251 static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val) 252 { 253 int ret; 254 255 mutex_lock(&dev->reg_mutex); 256 ret = dev->ops->read64(dev, page, reg, val); 257 mutex_unlock(&dev->reg_mutex); 258 259 return ret; 260 } 261 262 static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value) 263 { 264 int ret; 265 266 mutex_lock(&dev->reg_mutex); 267 ret = dev->ops->write8(dev, page, reg, value); 268 mutex_unlock(&dev->reg_mutex); 269 270 return ret; 271 } 272 273 static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg, 274 u16 value) 275 { 276 int ret; 277 278 mutex_lock(&dev->reg_mutex); 279 ret = dev->ops->write16(dev, page, reg, value); 280 mutex_unlock(&dev->reg_mutex); 281 282 return ret; 283 } 284 285 static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg, 286 u32 value) 287 { 288 int ret; 289 290 mutex_lock(&dev->reg_mutex); 291 ret = dev->ops->write32(dev, page, reg, value); 292 mutex_unlock(&dev->reg_mutex); 293 294 return ret; 295 } 296 297 static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg, 298 u64 value) 299 { 300 int ret; 301 302 mutex_lock(&dev->reg_mutex); 303 ret = dev->ops->write48(dev, page, reg, value); 304 mutex_unlock(&dev->reg_mutex); 305 306 return ret; 307 } 308 309 static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg, 310 u64 value) 311 { 312 int ret; 313 314 mutex_lock(&dev->reg_mutex); 315 ret = dev->ops->write64(dev, page, reg, value); 316 mutex_unlock(&dev->reg_mutex); 317 318 return ret; 319 } 320 321 struct b53_arl_entry { 322 u8 port; 323 u8 mac[ETH_ALEN]; 324 u16 vid; 325 u8 is_valid:1; 326 u8 is_age:1; 327 u8 is_static:1; 328 }; 329 330 static inline void b53_arl_to_entry(struct b53_arl_entry *ent, 331 u64 mac_vid, u32 fwd_entry) 332 { 333 memset(ent, 0, sizeof(*ent)); 334 ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK; 335 ent->is_valid = !!(fwd_entry & ARLTBL_VALID); 336 ent->is_age = !!(fwd_entry & ARLTBL_AGE); 337 ent->is_static = !!(fwd_entry & ARLTBL_STATIC); 338 u64_to_ether_addr(mac_vid, ent->mac); 339 ent->vid = mac_vid >> ARLTBL_VID_S; 340 } 341 342 static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry, 343 const struct b53_arl_entry *ent) 344 { 345 *mac_vid = ether_addr_to_u64(ent->mac); 346 *mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S; 347 *fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK; 348 if (ent->is_valid) 349 *fwd_entry |= ARLTBL_VALID; 350 if (ent->is_static) 351 *fwd_entry |= ARLTBL_STATIC; 352 if (ent->is_age) 353 *fwd_entry |= ARLTBL_AGE; 354 } 355 356 #ifdef CONFIG_BCM47XX 357 358 #include <linux/bcm47xx_nvram.h> 359 #include <bcm47xx_board.h> 360 static inline int b53_switch_get_reset_gpio(struct b53_device *dev) 361 { 362 enum bcm47xx_board board = bcm47xx_board_get(); 363 364 switch (board) { 365 case BCM47XX_BOARD_LINKSYS_WRT300NV11: 366 case BCM47XX_BOARD_LINKSYS_WRT310NV1: 367 return 8; 368 default: 369 return bcm47xx_nvram_gpio_pin("robo_reset"); 370 } 371 } 372 #else 373 static inline int b53_switch_get_reset_gpio(struct b53_device *dev) 374 { 375 return -ENOENT; 376 } 377 #endif 378 379 /* Exported functions towards other drivers */ 380 void b53_get_strings(struct dsa_switch *ds, int port, uint8_t *data); 381 void b53_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data); 382 int b53_get_sset_count(struct dsa_switch *ds); 383 int b53_br_join(struct dsa_switch *ds, int port, struct net_device *bridge); 384 void b53_br_leave(struct dsa_switch *ds, int port, struct net_device *bridge); 385 void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state); 386 void b53_br_fast_age(struct dsa_switch *ds, int port); 387 int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering); 388 int b53_vlan_prepare(struct dsa_switch *ds, int port, 389 const struct switchdev_obj_port_vlan *vlan, 390 struct switchdev_trans *trans); 391 void b53_vlan_add(struct dsa_switch *ds, int port, 392 const struct switchdev_obj_port_vlan *vlan, 393 struct switchdev_trans *trans); 394 int b53_vlan_del(struct dsa_switch *ds, int port, 395 const struct switchdev_obj_port_vlan *vlan); 396 int b53_fdb_add(struct dsa_switch *ds, int port, 397 const unsigned char *addr, u16 vid); 398 int b53_fdb_del(struct dsa_switch *ds, int port, 399 const unsigned char *addr, u16 vid); 400 int b53_fdb_dump(struct dsa_switch *ds, int port, 401 dsa_fdb_dump_cb_t *cb, void *data); 402 int b53_mirror_add(struct dsa_switch *ds, int port, 403 struct dsa_mall_mirror_tc_entry *mirror, bool ingress); 404 void b53_mirror_del(struct dsa_switch *ds, int port, 405 struct dsa_mall_mirror_tc_entry *mirror); 406 407 #endif 408