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