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/phylink.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 | 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 0xff |
60 | |
61 | enum { |
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 | |
86 | struct b53_pcs { |
87 | struct phylink_pcs pcs; |
88 | struct b53_device *dev; |
89 | u8 lane; |
90 | }; |
91 | |
92 | #define B53_N_PORTS 9 |
93 | #define B53_N_PORTS_25 6 |
94 | #define B53_N_PCS 2 |
95 | |
96 | struct b53_port { |
97 | u16 vlan_ctl_mask; |
98 | struct ethtool_keee eee; |
99 | }; |
100 | |
101 | struct b53_vlan { |
102 | u16 members; |
103 | u16 untag; |
104 | bool valid; |
105 | }; |
106 | |
107 | struct 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 | |
160 | static inline int is5325(struct b53_device *dev) |
161 | { |
162 | return dev->chip_id == BCM5325_DEVICE_ID; |
163 | } |
164 | |
165 | static inline int is5365(struct b53_device *dev) |
166 | { |
167 | #ifdef CONFIG_BCM47XX |
168 | return dev->chip_id == BCM5365_DEVICE_ID; |
169 | #else |
170 | return 0; |
171 | #endif |
172 | } |
173 | |
174 | static 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 | |
180 | static 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 | |
187 | static 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 | |
195 | static 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 | |
201 | static inline int is63268(struct b53_device *dev) |
202 | { |
203 | return dev->chip_id == BCM63268_DEVICE_ID; |
204 | } |
205 | |
206 | static 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 | |
215 | static 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 4 |
225 | #define B53_CPU_PORT_25 5 |
226 | #define B53_CPU_PORT 8 |
227 | |
228 | static inline unsigned int b53_max_arl_entries(struct b53_device *dev) |
229 | { |
230 | return dev->num_arl_buckets * dev->num_arl_bins; |
231 | } |
232 | |
233 | struct b53_device *b53_switch_alloc(struct device *base, |
234 | const struct b53_io_ops *ops, |
235 | void *priv); |
236 | |
237 | int b53_switch_detect(struct b53_device *dev); |
238 | |
239 | int b53_switch_register(struct b53_device *dev); |
240 | |
241 | static inline void b53_switch_remove(struct b53_device *dev) |
242 | { |
243 | dsa_unregister_switch(ds: dev->ds); |
244 | } |
245 | |
246 | static inline void b53_switch_shutdown(struct b53_device *dev) |
247 | { |
248 | dsa_switch_shutdown(ds: dev->ds); |
249 | } |
250 | |
251 | #define b53_build_op(type_op_size, val_type) \ |
252 | static 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 | |
264 | b53_build_op(read8, u8 *); |
265 | b53_build_op(read16, u16 *); |
266 | b53_build_op(read32, u32 *); |
267 | b53_build_op(read48, u64 *); |
268 | b53_build_op(read64, u64 *); |
269 | |
270 | b53_build_op(write8, u8); |
271 | b53_build_op(write16, u16); |
272 | b53_build_op(write32, u32); |
273 | b53_build_op(write48, u64); |
274 | b53_build_op(write64, u64); |
275 | |
276 | struct 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 | |
285 | static 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(u: mac_vid, addr: ent->mac); |
294 | ent->vid = mac_vid >> ARLTBL_VID_S; |
295 | } |
296 | |
297 | static 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(addr: 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_BCM47XX |
312 | |
313 | #include <linux/bcm47xx_nvram.h> |
314 | #include <bcm47xx_board.h> |
315 | static 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 | #else |
328 | static inline int b53_switch_get_reset_gpio(struct b53_device *dev) |
329 | { |
330 | return -ENOENT; |
331 | } |
332 | #endif |
333 | |
334 | /* Exported functions towards other drivers */ |
335 | void b53_imp_vlan_setup(struct dsa_switch *ds, int cpu_port); |
336 | int b53_configure_vlan(struct dsa_switch *ds); |
337 | void b53_get_strings(struct dsa_switch *ds, int port, u32 stringset, |
338 | uint8_t *data); |
339 | void b53_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data); |
340 | int b53_get_sset_count(struct dsa_switch *ds, int port, int sset); |
341 | void b53_get_ethtool_phy_stats(struct dsa_switch *ds, int port, uint64_t *data); |
342 | int b53_br_join(struct dsa_switch *ds, int port, struct dsa_bridge bridge, |
343 | bool *tx_fwd_offload, struct netlink_ext_ack *extack); |
344 | void b53_br_leave(struct dsa_switch *ds, int port, struct dsa_bridge bridge); |
345 | void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state); |
346 | void b53_br_fast_age(struct dsa_switch *ds, int port); |
347 | int b53_br_flags_pre(struct dsa_switch *ds, int port, |
348 | struct switchdev_brport_flags flags, |
349 | struct netlink_ext_ack *extack); |
350 | int b53_br_flags(struct dsa_switch *ds, int port, |
351 | struct switchdev_brport_flags flags, |
352 | struct netlink_ext_ack *extack); |
353 | int b53_setup_devlink_resources(struct dsa_switch *ds); |
354 | void b53_port_event(struct dsa_switch *ds, int port); |
355 | void b53_phylink_mac_config(struct dsa_switch *ds, int port, |
356 | unsigned int mode, |
357 | const struct phylink_link_state *state); |
358 | void b53_phylink_mac_link_down(struct dsa_switch *ds, int port, |
359 | unsigned int mode, |
360 | phy_interface_t interface); |
361 | void b53_phylink_mac_link_up(struct dsa_switch *ds, int port, |
362 | unsigned int mode, |
363 | phy_interface_t interface, |
364 | struct phy_device *phydev, |
365 | int speed, int duplex, |
366 | bool tx_pause, bool rx_pause); |
367 | int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering, |
368 | struct netlink_ext_ack *extack); |
369 | int b53_vlan_add(struct dsa_switch *ds, int port, |
370 | const struct switchdev_obj_port_vlan *vlan, |
371 | struct netlink_ext_ack *extack); |
372 | int b53_vlan_del(struct dsa_switch *ds, int port, |
373 | const struct switchdev_obj_port_vlan *vlan); |
374 | int b53_fdb_add(struct dsa_switch *ds, int port, |
375 | const unsigned char *addr, u16 vid, |
376 | struct dsa_db db); |
377 | int b53_fdb_del(struct dsa_switch *ds, int port, |
378 | const unsigned char *addr, u16 vid, |
379 | struct dsa_db db); |
380 | int b53_fdb_dump(struct dsa_switch *ds, int port, |
381 | dsa_fdb_dump_cb_t *cb, void *data); |
382 | int b53_mdb_add(struct dsa_switch *ds, int port, |
383 | const struct switchdev_obj_port_mdb *mdb, |
384 | struct dsa_db db); |
385 | int b53_mdb_del(struct dsa_switch *ds, int port, |
386 | const struct switchdev_obj_port_mdb *mdb, |
387 | struct dsa_db db); |
388 | int b53_mirror_add(struct dsa_switch *ds, int port, |
389 | struct dsa_mall_mirror_tc_entry *mirror, bool ingress, |
390 | struct netlink_ext_ack *extack); |
391 | enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port, |
392 | enum dsa_tag_protocol mprot); |
393 | void b53_mirror_del(struct dsa_switch *ds, int port, |
394 | struct dsa_mall_mirror_tc_entry *mirror); |
395 | int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy); |
396 | void b53_disable_port(struct dsa_switch *ds, int port); |
397 | void b53_brcm_hdr_setup(struct dsa_switch *ds, int port); |
398 | int b53_eee_init(struct dsa_switch *ds, int port, struct phy_device *phy); |
399 | int b53_get_mac_eee(struct dsa_switch *ds, int port, struct ethtool_keee *e); |
400 | int b53_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_keee *e); |
401 | |
402 | #endif |
403 | |