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