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967dd82f FF |
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 <net/dsa.h> | |
26 | ||
1da6df85 FF |
27 | #include "b53_regs.h" |
28 | ||
967dd82f | 29 | struct b53_device; |
ff39c2d6 | 30 | struct net_device; |
967dd82f FF |
31 | |
32 | struct b53_io_ops { | |
33 | int (*read8)(struct b53_device *dev, u8 page, u8 reg, u8 *value); | |
34 | int (*read16)(struct b53_device *dev, u8 page, u8 reg, u16 *value); | |
35 | int (*read32)(struct b53_device *dev, u8 page, u8 reg, u32 *value); | |
36 | int (*read48)(struct b53_device *dev, u8 page, u8 reg, u64 *value); | |
37 | int (*read64)(struct b53_device *dev, u8 page, u8 reg, u64 *value); | |
38 | int (*write8)(struct b53_device *dev, u8 page, u8 reg, u8 value); | |
39 | int (*write16)(struct b53_device *dev, u8 page, u8 reg, u16 value); | |
40 | int (*write32)(struct b53_device *dev, u8 page, u8 reg, u32 value); | |
41 | int (*write48)(struct b53_device *dev, u8 page, u8 reg, u64 value); | |
42 | int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value); | |
43 | int (*phy_read16)(struct b53_device *dev, int addr, int reg, u16 *value); | |
44 | int (*phy_write16)(struct b53_device *dev, int addr, int reg, u16 value); | |
45 | }; | |
46 | ||
47 | enum { | |
48 | BCM5325_DEVICE_ID = 0x25, | |
49 | BCM5365_DEVICE_ID = 0x65, | |
50 | BCM5395_DEVICE_ID = 0x95, | |
51 | BCM5397_DEVICE_ID = 0x97, | |
52 | BCM5398_DEVICE_ID = 0x98, | |
53 | BCM53115_DEVICE_ID = 0x53115, | |
54 | BCM53125_DEVICE_ID = 0x53125, | |
55 | BCM53128_DEVICE_ID = 0x53128, | |
56 | BCM63XX_DEVICE_ID = 0x6300, | |
57 | BCM53010_DEVICE_ID = 0x53010, | |
58 | BCM53011_DEVICE_ID = 0x53011, | |
59 | BCM53012_DEVICE_ID = 0x53012, | |
60 | BCM53018_DEVICE_ID = 0x53018, | |
61 | BCM53019_DEVICE_ID = 0x53019, | |
991a36bb | 62 | BCM58XX_DEVICE_ID = 0x5800, |
130401d9 | 63 | BCM7445_DEVICE_ID = 0x7445, |
967dd82f FF |
64 | }; |
65 | ||
66 | #define B53_N_PORTS 9 | |
67 | #define B53_N_PORTS_25 6 | |
68 | ||
69 | struct b53_port { | |
ff39c2d6 FF |
70 | u16 vlan_ctl_mask; |
71 | struct net_device *bridge_dev; | |
967dd82f FF |
72 | }; |
73 | ||
a2482d2c FF |
74 | struct b53_vlan { |
75 | u16 members; | |
76 | u16 untag; | |
77 | bool valid; | |
78 | }; | |
79 | ||
967dd82f FF |
80 | struct b53_device { |
81 | struct dsa_switch *ds; | |
82 | struct b53_platform_data *pdata; | |
83 | const char *name; | |
84 | ||
85 | struct mutex reg_mutex; | |
86 | struct mutex stats_mutex; | |
87 | const struct b53_io_ops *ops; | |
88 | ||
89 | /* chip specific data */ | |
90 | u32 chip_id; | |
91 | u8 core_rev; | |
92 | u8 vta_regs[3]; | |
93 | u8 duplex_reg; | |
94 | u8 jumbo_pm_reg; | |
95 | u8 jumbo_size_reg; | |
96 | int reset_gpio; | |
1da6df85 | 97 | u8 num_arl_entries; |
967dd82f FF |
98 | |
99 | /* used ports mask */ | |
100 | u16 enabled_ports; | |
101 | unsigned int cpu_port; | |
102 | ||
103 | /* connect specific data */ | |
104 | u8 current_page; | |
105 | struct device *dev; | |
106 | ||
107 | /* Master MDIO bus we got probed from */ | |
108 | struct mii_bus *bus; | |
109 | ||
967dd82f FF |
110 | void *priv; |
111 | ||
112 | /* run time configuration */ | |
a2482d2c FF |
113 | bool enable_jumbo; |
114 | ||
967dd82f | 115 | unsigned int num_vlans; |
a2482d2c | 116 | struct b53_vlan *vlans; |
967dd82f FF |
117 | unsigned int num_ports; |
118 | struct b53_port *ports; | |
119 | }; | |
120 | ||
121 | #define b53_for_each_port(dev, i) \ | |
122 | for (i = 0; i < B53_N_PORTS; i++) \ | |
123 | if (dev->enabled_ports & BIT(i)) | |
124 | ||
125 | ||
126 | static inline int is5325(struct b53_device *dev) | |
127 | { | |
128 | return dev->chip_id == BCM5325_DEVICE_ID; | |
129 | } | |
130 | ||
131 | static inline int is5365(struct b53_device *dev) | |
132 | { | |
133 | #ifdef CONFIG_BCM47XX | |
134 | return dev->chip_id == BCM5365_DEVICE_ID; | |
135 | #else | |
136 | return 0; | |
137 | #endif | |
138 | } | |
139 | ||
140 | static inline int is5397_98(struct b53_device *dev) | |
141 | { | |
142 | return dev->chip_id == BCM5397_DEVICE_ID || | |
143 | dev->chip_id == BCM5398_DEVICE_ID; | |
144 | } | |
145 | ||
146 | static inline int is539x(struct b53_device *dev) | |
147 | { | |
148 | return dev->chip_id == BCM5395_DEVICE_ID || | |
149 | dev->chip_id == BCM5397_DEVICE_ID || | |
150 | dev->chip_id == BCM5398_DEVICE_ID; | |
151 | } | |
152 | ||
153 | static inline int is531x5(struct b53_device *dev) | |
154 | { | |
155 | return dev->chip_id == BCM53115_DEVICE_ID || | |
156 | dev->chip_id == BCM53125_DEVICE_ID || | |
157 | dev->chip_id == BCM53128_DEVICE_ID; | |
158 | } | |
159 | ||
160 | static inline int is63xx(struct b53_device *dev) | |
161 | { | |
162 | #ifdef CONFIG_BCM63XX | |
163 | return dev->chip_id == BCM63XX_DEVICE_ID; | |
164 | #else | |
165 | return 0; | |
166 | #endif | |
167 | } | |
168 | ||
169 | static inline int is5301x(struct b53_device *dev) | |
170 | { | |
171 | return dev->chip_id == BCM53010_DEVICE_ID || | |
172 | dev->chip_id == BCM53011_DEVICE_ID || | |
173 | dev->chip_id == BCM53012_DEVICE_ID || | |
174 | dev->chip_id == BCM53018_DEVICE_ID || | |
175 | dev->chip_id == BCM53019_DEVICE_ID; | |
176 | } | |
177 | ||
bde5d132 FF |
178 | static inline int is58xx(struct b53_device *dev) |
179 | { | |
180 | return dev->chip_id == BCM58XX_DEVICE_ID || | |
181 | dev->chip_id == BCM7445_DEVICE_ID; | |
182 | } | |
183 | ||
967dd82f FF |
184 | #define B53_CPU_PORT_25 5 |
185 | #define B53_CPU_PORT 8 | |
186 | ||
187 | static inline int is_cpu_port(struct b53_device *dev, int port) | |
188 | { | |
189 | return dev->cpu_port; | |
190 | } | |
191 | ||
0dff88d3 JL |
192 | struct b53_device *b53_switch_alloc(struct device *base, |
193 | const struct b53_io_ops *ops, | |
967dd82f FF |
194 | void *priv); |
195 | ||
196 | int b53_switch_detect(struct b53_device *dev); | |
197 | ||
198 | int b53_switch_register(struct b53_device *dev); | |
199 | ||
200 | static inline void b53_switch_remove(struct b53_device *dev) | |
201 | { | |
202 | dsa_unregister_switch(dev->ds); | |
203 | } | |
204 | ||
205 | static inline int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val) | |
206 | { | |
207 | int ret; | |
208 | ||
209 | mutex_lock(&dev->reg_mutex); | |
210 | ret = dev->ops->read8(dev, page, reg, val); | |
211 | mutex_unlock(&dev->reg_mutex); | |
212 | ||
213 | return ret; | |
214 | } | |
215 | ||
216 | static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val) | |
217 | { | |
218 | int ret; | |
219 | ||
220 | mutex_lock(&dev->reg_mutex); | |
221 | ret = dev->ops->read16(dev, page, reg, val); | |
222 | mutex_unlock(&dev->reg_mutex); | |
223 | ||
224 | return ret; | |
225 | } | |
226 | ||
227 | static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val) | |
228 | { | |
229 | int ret; | |
230 | ||
231 | mutex_lock(&dev->reg_mutex); | |
232 | ret = dev->ops->read32(dev, page, reg, val); | |
233 | mutex_unlock(&dev->reg_mutex); | |
234 | ||
235 | return ret; | |
236 | } | |
237 | ||
238 | static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val) | |
239 | { | |
240 | int ret; | |
241 | ||
242 | mutex_lock(&dev->reg_mutex); | |
243 | ret = dev->ops->read48(dev, page, reg, val); | |
244 | mutex_unlock(&dev->reg_mutex); | |
245 | ||
246 | return ret; | |
247 | } | |
248 | ||
249 | static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val) | |
250 | { | |
251 | int ret; | |
252 | ||
253 | mutex_lock(&dev->reg_mutex); | |
254 | ret = dev->ops->read64(dev, page, reg, val); | |
255 | mutex_unlock(&dev->reg_mutex); | |
256 | ||
257 | return ret; | |
258 | } | |
259 | ||
260 | static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value) | |
261 | { | |
262 | int ret; | |
263 | ||
264 | mutex_lock(&dev->reg_mutex); | |
265 | ret = dev->ops->write8(dev, page, reg, value); | |
266 | mutex_unlock(&dev->reg_mutex); | |
267 | ||
268 | return ret; | |
269 | } | |
270 | ||
271 | static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg, | |
272 | u16 value) | |
273 | { | |
274 | int ret; | |
275 | ||
276 | mutex_lock(&dev->reg_mutex); | |
277 | ret = dev->ops->write16(dev, page, reg, value); | |
278 | mutex_unlock(&dev->reg_mutex); | |
279 | ||
280 | return ret; | |
281 | } | |
282 | ||
283 | static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg, | |
284 | u32 value) | |
285 | { | |
286 | int ret; | |
287 | ||
288 | mutex_lock(&dev->reg_mutex); | |
289 | ret = dev->ops->write32(dev, page, reg, value); | |
290 | mutex_unlock(&dev->reg_mutex); | |
291 | ||
292 | return ret; | |
293 | } | |
294 | ||
295 | static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg, | |
296 | u64 value) | |
297 | { | |
298 | int ret; | |
299 | ||
300 | mutex_lock(&dev->reg_mutex); | |
301 | ret = dev->ops->write48(dev, page, reg, value); | |
302 | mutex_unlock(&dev->reg_mutex); | |
303 | ||
304 | return ret; | |
305 | } | |
306 | ||
307 | static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg, | |
308 | u64 value) | |
309 | { | |
310 | int ret; | |
311 | ||
312 | mutex_lock(&dev->reg_mutex); | |
313 | ret = dev->ops->write64(dev, page, reg, value); | |
314 | mutex_unlock(&dev->reg_mutex); | |
315 | ||
316 | return ret; | |
317 | } | |
318 | ||
1da6df85 FF |
319 | struct b53_arl_entry { |
320 | u8 port; | |
321 | u8 mac[ETH_ALEN]; | |
322 | u16 vid; | |
323 | u8 is_valid:1; | |
324 | u8 is_age:1; | |
325 | u8 is_static:1; | |
326 | }; | |
327 | ||
328 | static inline void b53_mac_from_u64(u64 src, u8 *dst) | |
329 | { | |
330 | unsigned int i; | |
331 | ||
332 | for (i = 0; i < ETH_ALEN; i++) | |
333 | dst[ETH_ALEN - 1 - i] = (src >> (8 * i)) & 0xff; | |
334 | } | |
335 | ||
336 | static inline u64 b53_mac_to_u64(const u8 *src) | |
337 | { | |
338 | unsigned int i; | |
339 | u64 dst = 0; | |
340 | ||
341 | for (i = 0; i < ETH_ALEN; i++) | |
342 | dst |= (u64)src[ETH_ALEN - 1 - i] << (8 * i); | |
343 | ||
344 | return dst; | |
345 | } | |
346 | ||
347 | static inline void b53_arl_to_entry(struct b53_arl_entry *ent, | |
348 | u64 mac_vid, u32 fwd_entry) | |
349 | { | |
350 | memset(ent, 0, sizeof(*ent)); | |
351 | ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK; | |
352 | ent->is_valid = !!(fwd_entry & ARLTBL_VALID); | |
353 | ent->is_age = !!(fwd_entry & ARLTBL_AGE); | |
354 | ent->is_static = !!(fwd_entry & ARLTBL_STATIC); | |
355 | b53_mac_from_u64(mac_vid, ent->mac); | |
356 | ent->vid = mac_vid >> ARLTBL_VID_S; | |
357 | } | |
358 | ||
359 | static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry, | |
360 | const struct b53_arl_entry *ent) | |
361 | { | |
362 | *mac_vid = b53_mac_to_u64(ent->mac); | |
363 | *mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S; | |
364 | *fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK; | |
365 | if (ent->is_valid) | |
366 | *fwd_entry |= ARLTBL_VALID; | |
367 | if (ent->is_static) | |
368 | *fwd_entry |= ARLTBL_STATIC; | |
369 | if (ent->is_age) | |
370 | *fwd_entry |= ARLTBL_AGE; | |
371 | } | |
372 | ||
967dd82f FF |
373 | #ifdef CONFIG_BCM47XX |
374 | ||
967dd82f FF |
375 | #include <linux/bcm47xx_nvram.h> |
376 | #include <bcm47xx_board.h> | |
377 | static inline int b53_switch_get_reset_gpio(struct b53_device *dev) | |
378 | { | |
379 | enum bcm47xx_board board = bcm47xx_board_get(); | |
380 | ||
381 | switch (board) { | |
382 | case BCM47XX_BOARD_LINKSYS_WRT300NV11: | |
383 | case BCM47XX_BOARD_LINKSYS_WRT310NV1: | |
384 | return 8; | |
385 | default: | |
386 | return bcm47xx_nvram_gpio_pin("robo_reset"); | |
387 | } | |
388 | } | |
389 | #else | |
390 | static inline int b53_switch_get_reset_gpio(struct b53_device *dev) | |
391 | { | |
392 | return -ENOENT; | |
393 | } | |
394 | #endif | |
395 | #endif |