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 BCM5389_DEVICE_ID = 0x89, 52 BCM5395_DEVICE_ID = 0x95, 53 BCM5397_DEVICE_ID = 0x97, 54 BCM5398_DEVICE_ID = 0x98, 55 BCM53115_DEVICE_ID = 0x53115, 56 BCM53125_DEVICE_ID = 0x53125, 57 BCM53128_DEVICE_ID = 0x53128, 58 BCM63XX_DEVICE_ID = 0x6300, 59 BCM53010_DEVICE_ID = 0x53010, 60 BCM53011_DEVICE_ID = 0x53011, 61 BCM53012_DEVICE_ID = 0x53012, 62 BCM53018_DEVICE_ID = 0x53018, 63 BCM53019_DEVICE_ID = 0x53019, 64 BCM58XX_DEVICE_ID = 0x5800, 65 BCM583XX_DEVICE_ID = 0x58300, 66 BCM7445_DEVICE_ID = 0x7445, 67 BCM7278_DEVICE_ID = 0x7278, 68 }; 69 70 #define B53_N_PORTS 9 71 #define B53_N_PORTS_25 6 72 73 struct b53_port { 74 u16 vlan_ctl_mask; 75 struct ethtool_eee eee; 76 }; 77 78 struct b53_vlan { 79 u16 members; 80 u16 untag; 81 bool valid; 82 }; 83 84 struct b53_device { 85 struct dsa_switch *ds; 86 struct b53_platform_data *pdata; 87 const char *name; 88 89 struct mutex reg_mutex; 90 struct mutex stats_mutex; 91 const struct b53_io_ops *ops; 92 93 /* chip specific data */ 94 u32 chip_id; 95 u8 core_rev; 96 u8 vta_regs[3]; 97 u8 duplex_reg; 98 u8 jumbo_pm_reg; 99 u8 jumbo_size_reg; 100 int reset_gpio; 101 u8 num_arl_entries; 102 103 /* used ports mask */ 104 u16 enabled_ports; 105 unsigned int cpu_port; 106 107 /* connect specific data */ 108 u8 current_page; 109 struct device *dev; 110 111 /* Master MDIO bus we got probed from */ 112 struct mii_bus *bus; 113 114 void *priv; 115 116 /* run time configuration */ 117 bool enable_jumbo; 118 119 unsigned int num_vlans; 120 struct b53_vlan *vlans; 121 unsigned int num_ports; 122 struct b53_port *ports; 123 }; 124 125 #define b53_for_each_port(dev, i) \ 126 for (i = 0; i < B53_N_PORTS; i++) \ 127 if (dev->enabled_ports & BIT(i)) 128 129 130 static inline int is5325(struct b53_device *dev) 131 { 132 return dev->chip_id == BCM5325_DEVICE_ID; 133 } 134 135 static inline int is5365(struct b53_device *dev) 136 { 137 #ifdef CONFIG_BCM47XX 138 return dev->chip_id == BCM5365_DEVICE_ID; 139 #else 140 return 0; 141 #endif 142 } 143 144 static inline int is5397_98(struct b53_device *dev) 145 { 146 return dev->chip_id == BCM5397_DEVICE_ID || 147 dev->chip_id == BCM5398_DEVICE_ID; 148 } 149 150 static inline int is539x(struct b53_device *dev) 151 { 152 return dev->chip_id == BCM5395_DEVICE_ID || 153 dev->chip_id == BCM5397_DEVICE_ID || 154 dev->chip_id == BCM5398_DEVICE_ID; 155 } 156 157 static inline int is531x5(struct b53_device *dev) 158 { 159 return dev->chip_id == BCM53115_DEVICE_ID || 160 dev->chip_id == BCM53125_DEVICE_ID || 161 dev->chip_id == BCM53128_DEVICE_ID; 162 } 163 164 static inline int is63xx(struct b53_device *dev) 165 { 166 #ifdef CONFIG_BCM63XX 167 return dev->chip_id == BCM63XX_DEVICE_ID; 168 #else 169 return 0; 170 #endif 171 } 172 173 static inline int is5301x(struct b53_device *dev) 174 { 175 return dev->chip_id == BCM53010_DEVICE_ID || 176 dev->chip_id == BCM53011_DEVICE_ID || 177 dev->chip_id == BCM53012_DEVICE_ID || 178 dev->chip_id == BCM53018_DEVICE_ID || 179 dev->chip_id == BCM53019_DEVICE_ID; 180 } 181 182 static inline int is58xx(struct b53_device *dev) 183 { 184 return dev->chip_id == BCM58XX_DEVICE_ID || 185 dev->chip_id == BCM583XX_DEVICE_ID || 186 dev->chip_id == BCM7445_DEVICE_ID || 187 dev->chip_id == BCM7278_DEVICE_ID; 188 } 189 190 #define B53_CPU_PORT_25 5 191 #define B53_CPU_PORT 8 192 193 struct b53_device *b53_switch_alloc(struct device *base, 194 const struct b53_io_ops *ops, 195 void *priv); 196 197 int b53_switch_detect(struct b53_device *dev); 198 199 int b53_switch_register(struct b53_device *dev); 200 201 static inline void b53_switch_remove(struct b53_device *dev) 202 { 203 dsa_unregister_switch(dev->ds); 204 } 205 206 #define b53_build_op(type_op_size, val_type) \ 207 static inline int b53_##type_op_size(struct b53_device *dev, u8 page, \ 208 u8 reg, val_type val) \ 209 { \ 210 int ret; \ 211 \ 212 mutex_lock(&dev->reg_mutex); \ 213 ret = dev->ops->type_op_size(dev, page, reg, val); \ 214 mutex_unlock(&dev->reg_mutex); \ 215 \ 216 return ret; \ 217 } 218 219 b53_build_op(read8, u8 *); 220 b53_build_op(read16, u16 *); 221 b53_build_op(read32, u32 *); 222 b53_build_op(read48, u64 *); 223 b53_build_op(read64, u64 *); 224 225 b53_build_op(write8, u8); 226 b53_build_op(write16, u16); 227 b53_build_op(write32, u32); 228 b53_build_op(write48, u64); 229 b53_build_op(write64, u64); 230 231 struct b53_arl_entry { 232 u8 port; 233 u8 mac[ETH_ALEN]; 234 u16 vid; 235 u8 is_valid:1; 236 u8 is_age:1; 237 u8 is_static:1; 238 }; 239 240 static inline void b53_arl_to_entry(struct b53_arl_entry *ent, 241 u64 mac_vid, u32 fwd_entry) 242 { 243 memset(ent, 0, sizeof(*ent)); 244 ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK; 245 ent->is_valid = !!(fwd_entry & ARLTBL_VALID); 246 ent->is_age = !!(fwd_entry & ARLTBL_AGE); 247 ent->is_static = !!(fwd_entry & ARLTBL_STATIC); 248 u64_to_ether_addr(mac_vid, ent->mac); 249 ent->vid = mac_vid >> ARLTBL_VID_S; 250 } 251 252 static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry, 253 const struct b53_arl_entry *ent) 254 { 255 *mac_vid = ether_addr_to_u64(ent->mac); 256 *mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S; 257 *fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK; 258 if (ent->is_valid) 259 *fwd_entry |= ARLTBL_VALID; 260 if (ent->is_static) 261 *fwd_entry |= ARLTBL_STATIC; 262 if (ent->is_age) 263 *fwd_entry |= ARLTBL_AGE; 264 } 265 266 #ifdef CONFIG_BCM47XX 267 268 #include <linux/bcm47xx_nvram.h> 269 #include <bcm47xx_board.h> 270 static inline int b53_switch_get_reset_gpio(struct b53_device *dev) 271 { 272 enum bcm47xx_board board = bcm47xx_board_get(); 273 274 switch (board) { 275 case BCM47XX_BOARD_LINKSYS_WRT300NV11: 276 case BCM47XX_BOARD_LINKSYS_WRT310NV1: 277 return 8; 278 default: 279 return bcm47xx_nvram_gpio_pin("robo_reset"); 280 } 281 } 282 #else 283 static inline int b53_switch_get_reset_gpio(struct b53_device *dev) 284 { 285 return -ENOENT; 286 } 287 #endif 288 289 /* Exported functions towards other drivers */ 290 void b53_imp_vlan_setup(struct dsa_switch *ds, int cpu_port); 291 int b53_configure_vlan(struct dsa_switch *ds); 292 void b53_get_strings(struct dsa_switch *ds, int port, u32 stringset, 293 uint8_t *data); 294 void b53_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data); 295 int b53_get_sset_count(struct dsa_switch *ds, int port, int sset); 296 void b53_get_ethtool_phy_stats(struct dsa_switch *ds, int port, uint64_t *data); 297 int b53_br_join(struct dsa_switch *ds, int port, struct net_device *bridge); 298 void b53_br_leave(struct dsa_switch *ds, int port, struct net_device *bridge); 299 void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state); 300 void b53_br_fast_age(struct dsa_switch *ds, int port); 301 int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering); 302 int b53_vlan_prepare(struct dsa_switch *ds, int port, 303 const struct switchdev_obj_port_vlan *vlan); 304 void b53_vlan_add(struct dsa_switch *ds, int port, 305 const struct switchdev_obj_port_vlan *vlan); 306 int b53_vlan_del(struct dsa_switch *ds, int port, 307 const struct switchdev_obj_port_vlan *vlan); 308 int b53_fdb_add(struct dsa_switch *ds, int port, 309 const unsigned char *addr, u16 vid); 310 int b53_fdb_del(struct dsa_switch *ds, int port, 311 const unsigned char *addr, u16 vid); 312 int b53_fdb_dump(struct dsa_switch *ds, int port, 313 dsa_fdb_dump_cb_t *cb, void *data); 314 int b53_mirror_add(struct dsa_switch *ds, int port, 315 struct dsa_mall_mirror_tc_entry *mirror, bool ingress); 316 enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port); 317 void b53_mirror_del(struct dsa_switch *ds, int port, 318 struct dsa_mall_mirror_tc_entry *mirror); 319 int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy); 320 void b53_disable_port(struct dsa_switch *ds, int port, struct phy_device *phy); 321 void b53_brcm_hdr_setup(struct dsa_switch *ds, int port); 322 void b53_eee_enable_set(struct dsa_switch *ds, int port, bool enable); 323 int b53_eee_init(struct dsa_switch *ds, int port, struct phy_device *phy); 324 int b53_get_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e); 325 int b53_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e); 326 327 #endif 328