Commit | Line | Data |
---|---|---|
95ea3627 | 1 | /* |
811aa9ca | 2 | Copyright (C) 2004 - 2008 rt2x00 SourceForge Project |
95ea3627 ID |
3 | <http://rt2x00.serialmonkey.com> |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the | |
17 | Free Software Foundation, Inc., | |
18 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | */ | |
20 | ||
21 | /* | |
22 | Module: rt2500usb | |
23 | Abstract: rt2500usb device specific routines. | |
24 | Supported chipsets: RT2570. | |
25 | */ | |
26 | ||
95ea3627 ID |
27 | #include <linux/delay.h> |
28 | #include <linux/etherdevice.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/kernel.h> | |
31 | #include <linux/module.h> | |
32 | #include <linux/usb.h> | |
33 | ||
34 | #include "rt2x00.h" | |
35 | #include "rt2x00usb.h" | |
36 | #include "rt2500usb.h" | |
37 | ||
38 | /* | |
39 | * Register access. | |
40 | * All access to the CSR registers will go through the methods | |
41 | * rt2500usb_register_read and rt2500usb_register_write. | |
42 | * BBP and RF register require indirect register access, | |
43 | * and use the CSR registers BBPCSR and RFCSR to achieve this. | |
44 | * These indirect registers work with busy bits, | |
45 | * and we will try maximal REGISTER_BUSY_COUNT times to access | |
46 | * the register while taking a REGISTER_BUSY_DELAY us delay | |
47 | * between each attampt. When the busy bit is still set at that time, | |
48 | * the access attempt is considered to have failed, | |
49 | * and we will print an error. | |
3d82346c AB |
50 | * If the usb_cache_mutex is already held then the _lock variants must |
51 | * be used instead. | |
95ea3627 | 52 | */ |
0e14f6d3 | 53 | static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
54 | const unsigned int offset, |
55 | u16 *value) | |
56 | { | |
57 | __le16 reg; | |
58 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, | |
59 | USB_VENDOR_REQUEST_IN, offset, | |
60 | ®, sizeof(u16), REGISTER_TIMEOUT); | |
61 | *value = le16_to_cpu(reg); | |
62 | } | |
63 | ||
3d82346c AB |
64 | static inline void rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev, |
65 | const unsigned int offset, | |
66 | u16 *value) | |
67 | { | |
68 | __le16 reg; | |
69 | rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ, | |
70 | USB_VENDOR_REQUEST_IN, offset, | |
71 | ®, sizeof(u16), REGISTER_TIMEOUT); | |
72 | *value = le16_to_cpu(reg); | |
73 | } | |
74 | ||
0e14f6d3 | 75 | static inline void rt2500usb_register_multiread(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
76 | const unsigned int offset, |
77 | void *value, const u16 length) | |
78 | { | |
79 | int timeout = REGISTER_TIMEOUT * (length / sizeof(u16)); | |
80 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, | |
81 | USB_VENDOR_REQUEST_IN, offset, | |
82 | value, length, timeout); | |
83 | } | |
84 | ||
0e14f6d3 | 85 | static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
86 | const unsigned int offset, |
87 | u16 value) | |
88 | { | |
89 | __le16 reg = cpu_to_le16(value); | |
90 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, | |
91 | USB_VENDOR_REQUEST_OUT, offset, | |
92 | ®, sizeof(u16), REGISTER_TIMEOUT); | |
93 | } | |
94 | ||
3d82346c AB |
95 | static inline void rt2500usb_register_write_lock(struct rt2x00_dev *rt2x00dev, |
96 | const unsigned int offset, | |
97 | u16 value) | |
98 | { | |
99 | __le16 reg = cpu_to_le16(value); | |
100 | rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE, | |
101 | USB_VENDOR_REQUEST_OUT, offset, | |
102 | ®, sizeof(u16), REGISTER_TIMEOUT); | |
103 | } | |
104 | ||
0e14f6d3 | 105 | static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
106 | const unsigned int offset, |
107 | void *value, const u16 length) | |
108 | { | |
109 | int timeout = REGISTER_TIMEOUT * (length / sizeof(u16)); | |
110 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, | |
111 | USB_VENDOR_REQUEST_OUT, offset, | |
112 | value, length, timeout); | |
113 | } | |
114 | ||
0e14f6d3 | 115 | static u16 rt2500usb_bbp_check(struct rt2x00_dev *rt2x00dev) |
95ea3627 ID |
116 | { |
117 | u16 reg; | |
118 | unsigned int i; | |
119 | ||
120 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
3d82346c | 121 | rt2500usb_register_read_lock(rt2x00dev, PHY_CSR8, ®); |
95ea3627 ID |
122 | if (!rt2x00_get_field16(reg, PHY_CSR8_BUSY)) |
123 | break; | |
124 | udelay(REGISTER_BUSY_DELAY); | |
125 | } | |
126 | ||
127 | return reg; | |
128 | } | |
129 | ||
0e14f6d3 | 130 | static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
131 | const unsigned int word, const u8 value) |
132 | { | |
133 | u16 reg; | |
134 | ||
3d82346c AB |
135 | mutex_lock(&rt2x00dev->usb_cache_mutex); |
136 | ||
95ea3627 ID |
137 | /* |
138 | * Wait until the BBP becomes ready. | |
139 | */ | |
140 | reg = rt2500usb_bbp_check(rt2x00dev); | |
141 | if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) { | |
142 | ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n"); | |
3d82346c | 143 | mutex_unlock(&rt2x00dev->usb_cache_mutex); |
95ea3627 ID |
144 | return; |
145 | } | |
146 | ||
147 | /* | |
148 | * Write the data into the BBP. | |
149 | */ | |
150 | reg = 0; | |
151 | rt2x00_set_field16(®, PHY_CSR7_DATA, value); | |
152 | rt2x00_set_field16(®, PHY_CSR7_REG_ID, word); | |
153 | rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 0); | |
154 | ||
3d82346c AB |
155 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg); |
156 | ||
157 | mutex_unlock(&rt2x00dev->usb_cache_mutex); | |
95ea3627 ID |
158 | } |
159 | ||
0e14f6d3 | 160 | static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
161 | const unsigned int word, u8 *value) |
162 | { | |
163 | u16 reg; | |
164 | ||
3d82346c AB |
165 | mutex_lock(&rt2x00dev->usb_cache_mutex); |
166 | ||
95ea3627 ID |
167 | /* |
168 | * Wait until the BBP becomes ready. | |
169 | */ | |
170 | reg = rt2500usb_bbp_check(rt2x00dev); | |
171 | if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) { | |
172 | ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n"); | |
173 | return; | |
174 | } | |
175 | ||
176 | /* | |
177 | * Write the request into the BBP. | |
178 | */ | |
179 | reg = 0; | |
180 | rt2x00_set_field16(®, PHY_CSR7_REG_ID, word); | |
181 | rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 1); | |
182 | ||
3d82346c | 183 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg); |
95ea3627 ID |
184 | |
185 | /* | |
186 | * Wait until the BBP becomes ready. | |
187 | */ | |
188 | reg = rt2500usb_bbp_check(rt2x00dev); | |
189 | if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) { | |
190 | ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n"); | |
191 | *value = 0xff; | |
3d82346c | 192 | mutex_unlock(&rt2x00dev->usb_cache_mutex); |
95ea3627 ID |
193 | return; |
194 | } | |
195 | ||
3d82346c | 196 | rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, ®); |
95ea3627 | 197 | *value = rt2x00_get_field16(reg, PHY_CSR7_DATA); |
3d82346c AB |
198 | |
199 | mutex_unlock(&rt2x00dev->usb_cache_mutex); | |
95ea3627 ID |
200 | } |
201 | ||
0e14f6d3 | 202 | static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
203 | const unsigned int word, const u32 value) |
204 | { | |
205 | u16 reg; | |
206 | unsigned int i; | |
207 | ||
208 | if (!word) | |
209 | return; | |
210 | ||
3d82346c AB |
211 | mutex_lock(&rt2x00dev->usb_cache_mutex); |
212 | ||
95ea3627 | 213 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { |
3d82346c | 214 | rt2500usb_register_read_lock(rt2x00dev, PHY_CSR10, ®); |
95ea3627 ID |
215 | if (!rt2x00_get_field16(reg, PHY_CSR10_RF_BUSY)) |
216 | goto rf_write; | |
217 | udelay(REGISTER_BUSY_DELAY); | |
218 | } | |
219 | ||
3d82346c | 220 | mutex_unlock(&rt2x00dev->usb_cache_mutex); |
95ea3627 ID |
221 | ERROR(rt2x00dev, "PHY_CSR10 register busy. Write failed.\n"); |
222 | return; | |
223 | ||
224 | rf_write: | |
225 | reg = 0; | |
226 | rt2x00_set_field16(®, PHY_CSR9_RF_VALUE, value); | |
3d82346c | 227 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR9, reg); |
95ea3627 ID |
228 | |
229 | reg = 0; | |
230 | rt2x00_set_field16(®, PHY_CSR10_RF_VALUE, value >> 16); | |
231 | rt2x00_set_field16(®, PHY_CSR10_RF_NUMBER_OF_BITS, 20); | |
232 | rt2x00_set_field16(®, PHY_CSR10_RF_IF_SELECT, 0); | |
233 | rt2x00_set_field16(®, PHY_CSR10_RF_BUSY, 1); | |
234 | ||
3d82346c | 235 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg); |
95ea3627 | 236 | rt2x00_rf_write(rt2x00dev, word, value); |
3d82346c AB |
237 | |
238 | mutex_unlock(&rt2x00dev->usb_cache_mutex); | |
95ea3627 ID |
239 | } |
240 | ||
241 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS | |
242 | #define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u16)) ) | |
243 | ||
0e14f6d3 | 244 | static void rt2500usb_read_csr(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
245 | const unsigned int word, u32 *data) |
246 | { | |
247 | rt2500usb_register_read(rt2x00dev, CSR_OFFSET(word), (u16 *) data); | |
248 | } | |
249 | ||
0e14f6d3 | 250 | static void rt2500usb_write_csr(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
251 | const unsigned int word, u32 data) |
252 | { | |
253 | rt2500usb_register_write(rt2x00dev, CSR_OFFSET(word), data); | |
254 | } | |
255 | ||
256 | static const struct rt2x00debug rt2500usb_rt2x00debug = { | |
257 | .owner = THIS_MODULE, | |
258 | .csr = { | |
259 | .read = rt2500usb_read_csr, | |
260 | .write = rt2500usb_write_csr, | |
261 | .word_size = sizeof(u16), | |
262 | .word_count = CSR_REG_SIZE / sizeof(u16), | |
263 | }, | |
264 | .eeprom = { | |
265 | .read = rt2x00_eeprom_read, | |
266 | .write = rt2x00_eeprom_write, | |
267 | .word_size = sizeof(u16), | |
268 | .word_count = EEPROM_SIZE / sizeof(u16), | |
269 | }, | |
270 | .bbp = { | |
271 | .read = rt2500usb_bbp_read, | |
272 | .write = rt2500usb_bbp_write, | |
273 | .word_size = sizeof(u8), | |
274 | .word_count = BBP_SIZE / sizeof(u8), | |
275 | }, | |
276 | .rf = { | |
277 | .read = rt2x00_rf_read, | |
278 | .write = rt2500usb_rf_write, | |
279 | .word_size = sizeof(u32), | |
280 | .word_count = RF_SIZE / sizeof(u32), | |
281 | }, | |
282 | }; | |
283 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ | |
284 | ||
a9450b70 ID |
285 | #ifdef CONFIG_RT2500USB_LEDS |
286 | static void rt2500usb_led_brightness(struct led_classdev *led_cdev, | |
287 | enum led_brightness brightness) | |
288 | { | |
289 | struct rt2x00_led *led = | |
290 | container_of(led_cdev, struct rt2x00_led, led_dev); | |
291 | unsigned int enabled = brightness != LED_OFF; | |
292 | unsigned int activity = | |
293 | led->rt2x00dev->led_flags & LED_SUPPORT_ACTIVITY; | |
294 | u16 reg; | |
295 | ||
296 | rt2500usb_register_read(led->rt2x00dev, MAC_CSR20, ®); | |
297 | ||
298 | if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC) { | |
299 | rt2x00_set_field16(®, MAC_CSR20_LINK, enabled); | |
300 | rt2x00_set_field16(®, MAC_CSR20_ACTIVITY, | |
301 | enabled && activity); | |
302 | } | |
303 | ||
304 | rt2500usb_register_write(led->rt2x00dev, MAC_CSR20, reg); | |
305 | } | |
306 | #else | |
307 | #define rt2500usb_led_brightness NULL | |
308 | #endif /* CONFIG_RT2500USB_LEDS */ | |
309 | ||
95ea3627 ID |
310 | /* |
311 | * Configuration handlers. | |
312 | */ | |
6bb40dd1 ID |
313 | static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev, |
314 | struct rt2x00_intf *intf, | |
315 | struct rt2x00intf_conf *conf, | |
316 | const unsigned int flags) | |
95ea3627 | 317 | { |
6bb40dd1 | 318 | unsigned int bcn_preload; |
95ea3627 ID |
319 | u16 reg; |
320 | ||
6bb40dd1 ID |
321 | if (flags & CONFIG_UPDATE_TYPE) { |
322 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); | |
95ea3627 | 323 | |
6bb40dd1 ID |
324 | /* |
325 | * Enable beacon config | |
326 | */ | |
327 | bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20); | |
328 | rt2500usb_register_read(rt2x00dev, TXRX_CSR20, ®); | |
329 | rt2x00_set_field16(®, TXRX_CSR20_OFFSET, bcn_preload >> 6); | |
330 | rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, | |
331 | 2 * (conf->type != IEEE80211_IF_TYPE_STA)); | |
332 | rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg); | |
95ea3627 | 333 | |
6bb40dd1 ID |
334 | /* |
335 | * Enable synchronisation. | |
336 | */ | |
337 | rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®); | |
338 | rt2x00_set_field16(®, TXRX_CSR18_OFFSET, 0); | |
339 | rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg); | |
340 | ||
341 | rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); | |
342 | rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); | |
343 | rt2x00_set_field16(®, TXRX_CSR19_TBCN, | |
344 | (conf->sync == TSF_SYNC_BEACON)); | |
345 | rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0); | |
346 | rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, conf->sync); | |
347 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); | |
348 | } | |
95ea3627 | 349 | |
6bb40dd1 ID |
350 | if (flags & CONFIG_UPDATE_MAC) |
351 | rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac, | |
352 | (3 * sizeof(__le16))); | |
353 | ||
354 | if (flags & CONFIG_UPDATE_BSSID) | |
355 | rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid, | |
356 | (3 * sizeof(__le16))); | |
95ea3627 ID |
357 | } |
358 | ||
6bb40dd1 ID |
359 | static int rt2500usb_config_preamble(struct rt2x00_dev *rt2x00dev, |
360 | const int short_preamble, | |
361 | const int ack_timeout, | |
362 | const int ack_consume_time) | |
95ea3627 | 363 | { |
95ea3627 | 364 | u16 reg; |
95ea3627 | 365 | |
5c58ee51 | 366 | /* |
6bb40dd1 ID |
367 | * When in atomic context, we should let rt2x00lib |
368 | * try this configuration again later. | |
5c58ee51 | 369 | */ |
6bb40dd1 ID |
370 | if (in_atomic()) |
371 | return -EAGAIN; | |
95ea3627 ID |
372 | |
373 | rt2500usb_register_read(rt2x00dev, TXRX_CSR1, ®); | |
5c58ee51 | 374 | rt2x00_set_field16(®, TXRX_CSR1_ACK_TIMEOUT, ack_timeout); |
95ea3627 ID |
375 | rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg); |
376 | ||
377 | rt2500usb_register_read(rt2x00dev, TXRX_CSR10, ®); | |
4f5af6eb | 378 | rt2x00_set_field16(®, TXRX_CSR10_AUTORESPOND_PREAMBLE, |
5c58ee51 | 379 | !!short_preamble); |
95ea3627 | 380 | rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg); |
6bb40dd1 ID |
381 | |
382 | return 0; | |
95ea3627 ID |
383 | } |
384 | ||
385 | static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev, | |
5c58ee51 | 386 | const int basic_rate_mask) |
95ea3627 | 387 | { |
5c58ee51 | 388 | rt2500usb_register_write(rt2x00dev, TXRX_CSR11, basic_rate_mask); |
95ea3627 ID |
389 | } |
390 | ||
391 | static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev, | |
5c58ee51 | 392 | struct rf_channel *rf, const int txpower) |
95ea3627 | 393 | { |
95ea3627 ID |
394 | /* |
395 | * Set TXpower. | |
396 | */ | |
5c58ee51 | 397 | rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); |
95ea3627 ID |
398 | |
399 | /* | |
400 | * For RT2525E we should first set the channel to half band higher. | |
401 | */ | |
402 | if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) { | |
403 | static const u32 vals[] = { | |
404 | 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2, | |
405 | 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba, | |
406 | 0x000008ba, 0x000008be, 0x000008b7, 0x00000902, | |
407 | 0x00000902, 0x00000906 | |
408 | }; | |
409 | ||
5c58ee51 ID |
410 | rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]); |
411 | if (rf->rf4) | |
412 | rt2500usb_rf_write(rt2x00dev, 4, rf->rf4); | |
95ea3627 ID |
413 | } |
414 | ||
5c58ee51 ID |
415 | rt2500usb_rf_write(rt2x00dev, 1, rf->rf1); |
416 | rt2500usb_rf_write(rt2x00dev, 2, rf->rf2); | |
417 | rt2500usb_rf_write(rt2x00dev, 3, rf->rf3); | |
418 | if (rf->rf4) | |
419 | rt2500usb_rf_write(rt2x00dev, 4, rf->rf4); | |
95ea3627 ID |
420 | } |
421 | ||
422 | static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev, | |
423 | const int txpower) | |
424 | { | |
425 | u32 rf3; | |
426 | ||
427 | rt2x00_rf_read(rt2x00dev, 3, &rf3); | |
428 | rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); | |
429 | rt2500usb_rf_write(rt2x00dev, 3, rf3); | |
430 | } | |
431 | ||
432 | static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev, | |
addc81bd | 433 | struct antenna_setup *ant) |
95ea3627 ID |
434 | { |
435 | u8 r2; | |
436 | u8 r14; | |
437 | u16 csr5; | |
438 | u16 csr6; | |
439 | ||
440 | rt2500usb_bbp_read(rt2x00dev, 2, &r2); | |
441 | rt2500usb_bbp_read(rt2x00dev, 14, &r14); | |
442 | rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5); | |
443 | rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6); | |
444 | ||
445 | /* | |
446 | * Configure the TX antenna. | |
447 | */ | |
addc81bd | 448 | switch (ant->tx) { |
95ea3627 ID |
449 | case ANTENNA_HW_DIVERSITY: |
450 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1); | |
451 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1); | |
452 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1); | |
453 | break; | |
454 | case ANTENNA_A: | |
455 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0); | |
456 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0); | |
457 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0); | |
458 | break; | |
39e75857 ID |
459 | case ANTENNA_SW_DIVERSITY: |
460 | /* | |
461 | * NOTE: We should never come here because rt2x00lib is | |
462 | * supposed to catch this and send us the correct antenna | |
463 | * explicitely. However we are nog going to bug about this. | |
464 | * Instead, just default to antenna B. | |
465 | */ | |
95ea3627 ID |
466 | case ANTENNA_B: |
467 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2); | |
468 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2); | |
469 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2); | |
470 | break; | |
471 | } | |
472 | ||
473 | /* | |
474 | * Configure the RX antenna. | |
475 | */ | |
addc81bd | 476 | switch (ant->rx) { |
95ea3627 ID |
477 | case ANTENNA_HW_DIVERSITY: |
478 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1); | |
479 | break; | |
480 | case ANTENNA_A: | |
481 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0); | |
482 | break; | |
39e75857 ID |
483 | case ANTENNA_SW_DIVERSITY: |
484 | /* | |
485 | * NOTE: We should never come here because rt2x00lib is | |
486 | * supposed to catch this and send us the correct antenna | |
487 | * explicitely. However we are nog going to bug about this. | |
488 | * Instead, just default to antenna B. | |
489 | */ | |
95ea3627 ID |
490 | case ANTENNA_B: |
491 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2); | |
492 | break; | |
493 | } | |
494 | ||
495 | /* | |
496 | * RT2525E and RT5222 need to flip TX I/Q | |
497 | */ | |
498 | if (rt2x00_rf(&rt2x00dev->chip, RF2525E) || | |
499 | rt2x00_rf(&rt2x00dev->chip, RF5222)) { | |
500 | rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1); | |
501 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1); | |
502 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1); | |
503 | ||
504 | /* | |
505 | * RT2525E does not need RX I/Q Flip. | |
506 | */ | |
507 | if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) | |
508 | rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0); | |
509 | } else { | |
510 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0); | |
511 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0); | |
512 | } | |
513 | ||
514 | rt2500usb_bbp_write(rt2x00dev, 2, r2); | |
515 | rt2500usb_bbp_write(rt2x00dev, 14, r14); | |
516 | rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5); | |
517 | rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6); | |
518 | } | |
519 | ||
520 | static void rt2500usb_config_duration(struct rt2x00_dev *rt2x00dev, | |
5c58ee51 | 521 | struct rt2x00lib_conf *libconf) |
95ea3627 ID |
522 | { |
523 | u16 reg; | |
524 | ||
5c58ee51 | 525 | rt2500usb_register_write(rt2x00dev, MAC_CSR10, libconf->slot_time); |
f5507ce9 ID |
526 | rt2500usb_register_write(rt2x00dev, MAC_CSR11, libconf->sifs); |
527 | rt2500usb_register_write(rt2x00dev, MAC_CSR12, libconf->eifs); | |
95ea3627 ID |
528 | |
529 | rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®); | |
5c58ee51 ID |
530 | rt2x00_set_field16(®, TXRX_CSR18_INTERVAL, |
531 | libconf->conf->beacon_int * 4); | |
95ea3627 ID |
532 | rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg); |
533 | } | |
534 | ||
535 | static void rt2500usb_config(struct rt2x00_dev *rt2x00dev, | |
6bb40dd1 ID |
536 | struct rt2x00lib_conf *libconf, |
537 | const unsigned int flags) | |
95ea3627 | 538 | { |
95ea3627 | 539 | if (flags & CONFIG_UPDATE_PHYMODE) |
f5507ce9 | 540 | rt2500usb_config_phymode(rt2x00dev, libconf->basic_rates); |
95ea3627 | 541 | if (flags & CONFIG_UPDATE_CHANNEL) |
5c58ee51 ID |
542 | rt2500usb_config_channel(rt2x00dev, &libconf->rf, |
543 | libconf->conf->power_level); | |
95ea3627 | 544 | if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL)) |
5c58ee51 ID |
545 | rt2500usb_config_txpower(rt2x00dev, |
546 | libconf->conf->power_level); | |
95ea3627 | 547 | if (flags & CONFIG_UPDATE_ANTENNA) |
addc81bd | 548 | rt2500usb_config_antenna(rt2x00dev, &libconf->ant); |
95ea3627 | 549 | if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT)) |
5c58ee51 | 550 | rt2500usb_config_duration(rt2x00dev, libconf); |
95ea3627 ID |
551 | } |
552 | ||
95ea3627 ID |
553 | /* |
554 | * Link tuning | |
555 | */ | |
ebcf26da ID |
556 | static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev, |
557 | struct link_qual *qual) | |
95ea3627 ID |
558 | { |
559 | u16 reg; | |
560 | ||
561 | /* | |
562 | * Update FCS error count from register. | |
563 | */ | |
564 | rt2500usb_register_read(rt2x00dev, STA_CSR0, ®); | |
ebcf26da | 565 | qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR); |
95ea3627 ID |
566 | |
567 | /* | |
568 | * Update False CCA count from register. | |
569 | */ | |
570 | rt2500usb_register_read(rt2x00dev, STA_CSR3, ®); | |
ebcf26da | 571 | qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR); |
95ea3627 ID |
572 | } |
573 | ||
574 | static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev) | |
575 | { | |
576 | u16 eeprom; | |
577 | u16 value; | |
578 | ||
579 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom); | |
580 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW); | |
581 | rt2500usb_bbp_write(rt2x00dev, 24, value); | |
582 | ||
583 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom); | |
584 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW); | |
585 | rt2500usb_bbp_write(rt2x00dev, 25, value); | |
586 | ||
587 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom); | |
588 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW); | |
589 | rt2500usb_bbp_write(rt2x00dev, 61, value); | |
590 | ||
591 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom); | |
592 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER); | |
593 | rt2500usb_bbp_write(rt2x00dev, 17, value); | |
594 | ||
595 | rt2x00dev->link.vgc_level = value; | |
596 | } | |
597 | ||
598 | static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev) | |
599 | { | |
600 | int rssi = rt2x00_get_link_rssi(&rt2x00dev->link); | |
601 | u16 bbp_thresh; | |
602 | u16 vgc_bound; | |
603 | u16 sens; | |
604 | u16 r24; | |
605 | u16 r25; | |
606 | u16 r61; | |
607 | u16 r17_sens; | |
608 | u8 r17; | |
609 | u8 up_bound; | |
610 | u8 low_bound; | |
611 | ||
6bb40dd1 ID |
612 | /* |
613 | * Read current r17 value, as well as the sensitivity values | |
614 | * for the r17 register. | |
615 | */ | |
616 | rt2500usb_bbp_read(rt2x00dev, 17, &r17); | |
617 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens); | |
618 | ||
619 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound); | |
620 | up_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER); | |
621 | low_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCLOWER); | |
622 | ||
623 | /* | |
624 | * If we are not associated, we should go straight to the | |
625 | * dynamic CCA tuning. | |
626 | */ | |
627 | if (!rt2x00dev->intf_associated) | |
628 | goto dynamic_cca_tune; | |
629 | ||
95ea3627 ID |
630 | /* |
631 | * Determine the BBP tuning threshold and correctly | |
632 | * set BBP 24, 25 and 61. | |
633 | */ | |
634 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &bbp_thresh); | |
635 | bbp_thresh = rt2x00_get_field16(bbp_thresh, EEPROM_BBPTUNE_THRESHOLD); | |
636 | ||
637 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &r24); | |
638 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &r25); | |
639 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &r61); | |
640 | ||
641 | if ((rssi + bbp_thresh) > 0) { | |
642 | r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_HIGH); | |
643 | r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_HIGH); | |
644 | r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_HIGH); | |
645 | } else { | |
646 | r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_LOW); | |
647 | r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_LOW); | |
648 | r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_LOW); | |
649 | } | |
650 | ||
651 | rt2500usb_bbp_write(rt2x00dev, 24, r24); | |
652 | rt2500usb_bbp_write(rt2x00dev, 25, r25); | |
653 | rt2500usb_bbp_write(rt2x00dev, 61, r61); | |
654 | ||
95ea3627 ID |
655 | /* |
656 | * A too low RSSI will cause too much false CCA which will | |
657 | * then corrupt the R17 tuning. To remidy this the tuning should | |
658 | * be stopped (While making sure the R17 value will not exceed limits) | |
659 | */ | |
660 | if (rssi >= -40) { | |
661 | if (r17 != 0x60) | |
662 | rt2500usb_bbp_write(rt2x00dev, 17, 0x60); | |
663 | return; | |
664 | } | |
665 | ||
666 | /* | |
667 | * Special big-R17 for short distance | |
668 | */ | |
669 | if (rssi >= -58) { | |
670 | sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_LOW); | |
671 | if (r17 != sens) | |
672 | rt2500usb_bbp_write(rt2x00dev, 17, sens); | |
673 | return; | |
674 | } | |
675 | ||
676 | /* | |
677 | * Special mid-R17 for middle distance | |
678 | */ | |
679 | if (rssi >= -74) { | |
680 | sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_HIGH); | |
681 | if (r17 != sens) | |
682 | rt2500usb_bbp_write(rt2x00dev, 17, sens); | |
683 | return; | |
684 | } | |
685 | ||
686 | /* | |
687 | * Leave short or middle distance condition, restore r17 | |
688 | * to the dynamic tuning range. | |
689 | */ | |
95ea3627 | 690 | low_bound = 0x32; |
6bb40dd1 ID |
691 | if (rssi < -77) |
692 | up_bound -= (-77 - rssi); | |
95ea3627 ID |
693 | |
694 | if (up_bound < low_bound) | |
695 | up_bound = low_bound; | |
696 | ||
697 | if (r17 > up_bound) { | |
698 | rt2500usb_bbp_write(rt2x00dev, 17, up_bound); | |
699 | rt2x00dev->link.vgc_level = up_bound; | |
6bb40dd1 ID |
700 | return; |
701 | } | |
702 | ||
703 | dynamic_cca_tune: | |
704 | ||
705 | /* | |
706 | * R17 is inside the dynamic tuning range, | |
707 | * start tuning the link based on the false cca counter. | |
708 | */ | |
709 | if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) { | |
95ea3627 ID |
710 | rt2500usb_bbp_write(rt2x00dev, 17, ++r17); |
711 | rt2x00dev->link.vgc_level = r17; | |
ebcf26da | 712 | } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) { |
95ea3627 ID |
713 | rt2500usb_bbp_write(rt2x00dev, 17, --r17); |
714 | rt2x00dev->link.vgc_level = r17; | |
715 | } | |
716 | } | |
717 | ||
718 | /* | |
719 | * Initialization functions. | |
720 | */ | |
721 | static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev) | |
722 | { | |
723 | u16 reg; | |
724 | ||
725 | rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001, | |
726 | USB_MODE_TEST, REGISTER_TIMEOUT); | |
727 | rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308, | |
728 | 0x00f0, REGISTER_TIMEOUT); | |
729 | ||
730 | rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); | |
731 | rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, 1); | |
732 | rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); | |
733 | ||
734 | rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111); | |
735 | rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11); | |
736 | ||
737 | rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); | |
738 | rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 1); | |
739 | rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 1); | |
740 | rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0); | |
741 | rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); | |
742 | ||
743 | rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); | |
744 | rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 0); | |
745 | rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 0); | |
746 | rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0); | |
747 | rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); | |
748 | ||
a9450b70 ID |
749 | rt2500usb_register_read(rt2x00dev, MAC_CSR21, ®); |
750 | rt2x00_set_field16(®, MAC_CSR21_ON_PERIOD, 70); | |
751 | rt2x00_set_field16(®, MAC_CSR21_OFF_PERIOD, 30); | |
752 | rt2500usb_register_write(rt2x00dev, MAC_CSR21, reg); | |
753 | ||
95ea3627 ID |
754 | rt2500usb_register_read(rt2x00dev, TXRX_CSR5, ®); |
755 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID0, 13); | |
756 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID0_VALID, 1); | |
757 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID1, 12); | |
758 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID1_VALID, 1); | |
759 | rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg); | |
760 | ||
761 | rt2500usb_register_read(rt2x00dev, TXRX_CSR6, ®); | |
762 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID0, 10); | |
763 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID0_VALID, 1); | |
764 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID1, 11); | |
765 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID1_VALID, 1); | |
766 | rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg); | |
767 | ||
768 | rt2500usb_register_read(rt2x00dev, TXRX_CSR7, ®); | |
769 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID0, 7); | |
770 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID0_VALID, 1); | |
771 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID1, 6); | |
772 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID1_VALID, 1); | |
773 | rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg); | |
774 | ||
775 | rt2500usb_register_read(rt2x00dev, TXRX_CSR8, ®); | |
776 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID0, 5); | |
777 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID0_VALID, 1); | |
778 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID1, 0); | |
779 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID1_VALID, 0); | |
780 | rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg); | |
781 | ||
782 | rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f); | |
783 | rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d); | |
784 | ||
785 | if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE)) | |
786 | return -EBUSY; | |
787 | ||
788 | rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); | |
789 | rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 0); | |
790 | rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 0); | |
791 | rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 1); | |
792 | rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); | |
793 | ||
755a957d | 794 | if (rt2x00_rev(&rt2x00dev->chip) >= RT2570_VERSION_C) { |
95ea3627 | 795 | rt2500usb_register_read(rt2x00dev, PHY_CSR2, ®); |
ddc827f9 | 796 | rt2x00_set_field16(®, PHY_CSR2_LNA, 0); |
95ea3627 | 797 | } else { |
ddc827f9 ID |
798 | reg = 0; |
799 | rt2x00_set_field16(®, PHY_CSR2_LNA, 1); | |
800 | rt2x00_set_field16(®, PHY_CSR2_LNA_MODE, 3); | |
95ea3627 ID |
801 | } |
802 | rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg); | |
803 | ||
804 | rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002); | |
805 | rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053); | |
806 | rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee); | |
807 | rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000); | |
808 | ||
809 | rt2500usb_register_read(rt2x00dev, MAC_CSR8, ®); | |
810 | rt2x00_set_field16(®, MAC_CSR8_MAX_FRAME_UNIT, | |
811 | rt2x00dev->rx->data_size); | |
812 | rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg); | |
813 | ||
814 | rt2500usb_register_read(rt2x00dev, TXRX_CSR0, ®); | |
815 | rt2x00_set_field16(®, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER); | |
816 | rt2x00_set_field16(®, TXRX_CSR0_KEY_ID, 0xff); | |
817 | rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg); | |
818 | ||
819 | rt2500usb_register_read(rt2x00dev, MAC_CSR18, ®); | |
820 | rt2x00_set_field16(®, MAC_CSR18_DELAY_AFTER_BEACON, 90); | |
821 | rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg); | |
822 | ||
823 | rt2500usb_register_read(rt2x00dev, PHY_CSR4, ®); | |
824 | rt2x00_set_field16(®, PHY_CSR4_LOW_RF_LE, 1); | |
825 | rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg); | |
826 | ||
827 | rt2500usb_register_read(rt2x00dev, TXRX_CSR1, ®); | |
828 | rt2x00_set_field16(®, TXRX_CSR1_AUTO_SEQUENCE, 1); | |
829 | rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg); | |
830 | ||
831 | return 0; | |
832 | } | |
833 | ||
834 | static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev) | |
835 | { | |
836 | unsigned int i; | |
837 | u16 eeprom; | |
838 | u8 value; | |
839 | u8 reg_id; | |
840 | ||
841 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
842 | rt2500usb_bbp_read(rt2x00dev, 0, &value); | |
843 | if ((value != 0xff) && (value != 0x00)) | |
844 | goto continue_csr_init; | |
845 | NOTICE(rt2x00dev, "Waiting for BBP register.\n"); | |
846 | udelay(REGISTER_BUSY_DELAY); | |
847 | } | |
848 | ||
849 | ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); | |
850 | return -EACCES; | |
851 | ||
852 | continue_csr_init: | |
853 | rt2500usb_bbp_write(rt2x00dev, 3, 0x02); | |
854 | rt2500usb_bbp_write(rt2x00dev, 4, 0x19); | |
855 | rt2500usb_bbp_write(rt2x00dev, 14, 0x1c); | |
856 | rt2500usb_bbp_write(rt2x00dev, 15, 0x30); | |
857 | rt2500usb_bbp_write(rt2x00dev, 16, 0xac); | |
858 | rt2500usb_bbp_write(rt2x00dev, 18, 0x18); | |
859 | rt2500usb_bbp_write(rt2x00dev, 19, 0xff); | |
860 | rt2500usb_bbp_write(rt2x00dev, 20, 0x1e); | |
861 | rt2500usb_bbp_write(rt2x00dev, 21, 0x08); | |
862 | rt2500usb_bbp_write(rt2x00dev, 22, 0x08); | |
863 | rt2500usb_bbp_write(rt2x00dev, 23, 0x08); | |
864 | rt2500usb_bbp_write(rt2x00dev, 24, 0x80); | |
865 | rt2500usb_bbp_write(rt2x00dev, 25, 0x50); | |
866 | rt2500usb_bbp_write(rt2x00dev, 26, 0x08); | |
867 | rt2500usb_bbp_write(rt2x00dev, 27, 0x23); | |
868 | rt2500usb_bbp_write(rt2x00dev, 30, 0x10); | |
869 | rt2500usb_bbp_write(rt2x00dev, 31, 0x2b); | |
870 | rt2500usb_bbp_write(rt2x00dev, 32, 0xb9); | |
871 | rt2500usb_bbp_write(rt2x00dev, 34, 0x12); | |
872 | rt2500usb_bbp_write(rt2x00dev, 35, 0x50); | |
873 | rt2500usb_bbp_write(rt2x00dev, 39, 0xc4); | |
874 | rt2500usb_bbp_write(rt2x00dev, 40, 0x02); | |
875 | rt2500usb_bbp_write(rt2x00dev, 41, 0x60); | |
876 | rt2500usb_bbp_write(rt2x00dev, 53, 0x10); | |
877 | rt2500usb_bbp_write(rt2x00dev, 54, 0x18); | |
878 | rt2500usb_bbp_write(rt2x00dev, 56, 0x08); | |
879 | rt2500usb_bbp_write(rt2x00dev, 57, 0x10); | |
880 | rt2500usb_bbp_write(rt2x00dev, 58, 0x08); | |
881 | rt2500usb_bbp_write(rt2x00dev, 61, 0x60); | |
882 | rt2500usb_bbp_write(rt2x00dev, 62, 0x10); | |
883 | rt2500usb_bbp_write(rt2x00dev, 75, 0xff); | |
884 | ||
885 | DEBUG(rt2x00dev, "Start initialization from EEPROM...\n"); | |
886 | for (i = 0; i < EEPROM_BBP_SIZE; i++) { | |
887 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom); | |
888 | ||
889 | if (eeprom != 0xffff && eeprom != 0x0000) { | |
890 | reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID); | |
891 | value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE); | |
892 | DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n", | |
893 | reg_id, value); | |
894 | rt2500usb_bbp_write(rt2x00dev, reg_id, value); | |
895 | } | |
896 | } | |
897 | DEBUG(rt2x00dev, "...End initialization from EEPROM.\n"); | |
898 | ||
899 | return 0; | |
900 | } | |
901 | ||
902 | /* | |
903 | * Device state switch handlers. | |
904 | */ | |
905 | static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev, | |
906 | enum dev_state state) | |
907 | { | |
908 | u16 reg; | |
909 | ||
910 | rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); | |
911 | rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, | |
912 | state == STATE_RADIO_RX_OFF); | |
913 | rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); | |
914 | } | |
915 | ||
916 | static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev) | |
917 | { | |
918 | /* | |
919 | * Initialize all registers. | |
920 | */ | |
921 | if (rt2500usb_init_registers(rt2x00dev) || | |
922 | rt2500usb_init_bbp(rt2x00dev)) { | |
923 | ERROR(rt2x00dev, "Register initialization failed.\n"); | |
924 | return -EIO; | |
925 | } | |
926 | ||
95ea3627 ID |
927 | return 0; |
928 | } | |
929 | ||
930 | static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev) | |
931 | { | |
95ea3627 ID |
932 | rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121); |
933 | rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121); | |
934 | ||
935 | /* | |
936 | * Disable synchronisation. | |
937 | */ | |
938 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); | |
939 | ||
940 | rt2x00usb_disable_radio(rt2x00dev); | |
941 | } | |
942 | ||
943 | static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev, | |
944 | enum dev_state state) | |
945 | { | |
946 | u16 reg; | |
947 | u16 reg2; | |
948 | unsigned int i; | |
949 | char put_to_sleep; | |
950 | char bbp_state; | |
951 | char rf_state; | |
952 | ||
953 | put_to_sleep = (state != STATE_AWAKE); | |
954 | ||
955 | reg = 0; | |
956 | rt2x00_set_field16(®, MAC_CSR17_BBP_DESIRE_STATE, state); | |
957 | rt2x00_set_field16(®, MAC_CSR17_RF_DESIRE_STATE, state); | |
958 | rt2x00_set_field16(®, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep); | |
959 | rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); | |
960 | rt2x00_set_field16(®, MAC_CSR17_SET_STATE, 1); | |
961 | rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); | |
962 | ||
963 | /* | |
964 | * Device is not guaranteed to be in the requested state yet. | |
965 | * We must wait until the register indicates that the | |
966 | * device has entered the correct state. | |
967 | */ | |
968 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
969 | rt2500usb_register_read(rt2x00dev, MAC_CSR17, ®2); | |
970 | bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE); | |
971 | rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE); | |
972 | if (bbp_state == state && rf_state == state) | |
973 | return 0; | |
974 | rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); | |
975 | msleep(30); | |
976 | } | |
977 | ||
978 | NOTICE(rt2x00dev, "Device failed to enter state %d, " | |
979 | "current device state: bbp %d and rf %d.\n", | |
980 | state, bbp_state, rf_state); | |
981 | ||
982 | return -EBUSY; | |
983 | } | |
984 | ||
985 | static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev, | |
986 | enum dev_state state) | |
987 | { | |
988 | int retval = 0; | |
989 | ||
990 | switch (state) { | |
991 | case STATE_RADIO_ON: | |
992 | retval = rt2500usb_enable_radio(rt2x00dev); | |
993 | break; | |
994 | case STATE_RADIO_OFF: | |
995 | rt2500usb_disable_radio(rt2x00dev); | |
996 | break; | |
997 | case STATE_RADIO_RX_ON: | |
61667d8d ID |
998 | case STATE_RADIO_RX_ON_LINK: |
999 | rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); | |
1000 | break; | |
95ea3627 | 1001 | case STATE_RADIO_RX_OFF: |
61667d8d ID |
1002 | case STATE_RADIO_RX_OFF_LINK: |
1003 | rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); | |
95ea3627 ID |
1004 | break; |
1005 | case STATE_DEEP_SLEEP: | |
1006 | case STATE_SLEEP: | |
1007 | case STATE_STANDBY: | |
1008 | case STATE_AWAKE: | |
1009 | retval = rt2500usb_set_state(rt2x00dev, state); | |
1010 | break; | |
1011 | default: | |
1012 | retval = -ENOTSUPP; | |
1013 | break; | |
1014 | } | |
1015 | ||
1016 | return retval; | |
1017 | } | |
1018 | ||
1019 | /* | |
1020 | * TX descriptor initialization | |
1021 | */ | |
1022 | static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, | |
dd3193e1 | 1023 | struct sk_buff *skb, |
181d6902 | 1024 | struct txentry_desc *txdesc, |
95ea3627 ID |
1025 | struct ieee80211_tx_control *control) |
1026 | { | |
181d6902 | 1027 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); |
dd3193e1 | 1028 | __le32 *txd = skbdesc->desc; |
95ea3627 ID |
1029 | u32 word; |
1030 | ||
1031 | /* | |
1032 | * Start writing the descriptor words. | |
1033 | */ | |
1034 | rt2x00_desc_read(txd, 1, &word); | |
1035 | rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER); | |
181d6902 ID |
1036 | rt2x00_set_field32(&word, TXD_W1_AIFS, txdesc->aifs); |
1037 | rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min); | |
1038 | rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max); | |
95ea3627 ID |
1039 | rt2x00_desc_write(txd, 1, word); |
1040 | ||
1041 | rt2x00_desc_read(txd, 2, &word); | |
181d6902 ID |
1042 | rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal); |
1043 | rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service); | |
1044 | rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low); | |
1045 | rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high); | |
95ea3627 ID |
1046 | rt2x00_desc_write(txd, 2, word); |
1047 | ||
1048 | rt2x00_desc_read(txd, 0, &word); | |
1049 | rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, control->retry_limit); | |
1050 | rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, | |
181d6902 | 1051 | test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); |
95ea3627 | 1052 | rt2x00_set_field32(&word, TXD_W0_ACK, |
181d6902 | 1053 | test_bit(ENTRY_TXD_ACK, &txdesc->flags)); |
95ea3627 | 1054 | rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, |
181d6902 | 1055 | test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); |
95ea3627 | 1056 | rt2x00_set_field32(&word, TXD_W0_OFDM, |
181d6902 | 1057 | test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags)); |
95ea3627 ID |
1058 | rt2x00_set_field32(&word, TXD_W0_NEW_SEQ, |
1059 | !!(control->flags & IEEE80211_TXCTL_FIRST_FRAGMENT)); | |
181d6902 | 1060 | rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); |
dd3193e1 | 1061 | rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len); |
95ea3627 ID |
1062 | rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE); |
1063 | rt2x00_desc_write(txd, 0, word); | |
1064 | } | |
1065 | ||
dd9fa2d2 | 1066 | static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev, |
b242e891 | 1067 | struct sk_buff *skb) |
dd9fa2d2 ID |
1068 | { |
1069 | int length; | |
1070 | ||
1071 | /* | |
1072 | * The length _must_ be a multiple of 2, | |
1073 | * but it must _not_ be a multiple of the USB packet size. | |
1074 | */ | |
1075 | length = roundup(skb->len, 2); | |
b242e891 | 1076 | length += (2 * !(length % rt2x00dev->usb_maxpacket)); |
dd9fa2d2 ID |
1077 | |
1078 | return length; | |
1079 | } | |
1080 | ||
95ea3627 ID |
1081 | /* |
1082 | * TX data initialization | |
1083 | */ | |
1084 | static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, | |
5957da4c | 1085 | const unsigned int queue) |
95ea3627 ID |
1086 | { |
1087 | u16 reg; | |
1088 | ||
5957da4c | 1089 | if (queue != RT2X00_BCN_QUEUE_BEACON) |
95ea3627 ID |
1090 | return; |
1091 | ||
1092 | rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); | |
1093 | if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) { | |
1094 | rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1); | |
1095 | /* | |
1096 | * Beacon generation will fail initially. | |
1097 | * To prevent this we need to register the TXRX_CSR19 | |
1098 | * register several times. | |
1099 | */ | |
1100 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); | |
1101 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); | |
1102 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); | |
1103 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); | |
1104 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); | |
1105 | } | |
1106 | } | |
1107 | ||
1108 | /* | |
1109 | * RX control handlers | |
1110 | */ | |
181d6902 ID |
1111 | static void rt2500usb_fill_rxdone(struct queue_entry *entry, |
1112 | struct rxdone_entry_desc *rxdesc) | |
95ea3627 | 1113 | { |
181d6902 ID |
1114 | struct queue_entry_priv_usb_rx *priv_rx = entry->priv_data; |
1115 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); | |
1116 | __le32 *rxd = | |
1117 | (__le32 *)(entry->skb->data + | |
1118 | (priv_rx->urb->actual_length - entry->queue->desc_size)); | |
1119 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)entry->skb->data; | |
1120 | int header_size = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control)); | |
95ea3627 ID |
1121 | u32 word0; |
1122 | u32 word1; | |
1123 | ||
1124 | rt2x00_desc_read(rxd, 0, &word0); | |
1125 | rt2x00_desc_read(rxd, 1, &word1); | |
1126 | ||
181d6902 | 1127 | rxdesc->flags = 0; |
4150c572 | 1128 | if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) |
181d6902 | 1129 | rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; |
4150c572 | 1130 | if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR)) |
181d6902 | 1131 | rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC; |
95ea3627 ID |
1132 | |
1133 | /* | |
1134 | * Obtain the status about this packet. | |
1135 | */ | |
181d6902 ID |
1136 | rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL); |
1137 | rxdesc->rssi = rt2x00_get_field32(word1, RXD_W1_RSSI) - | |
1138 | entry->queue->rt2x00dev->rssi_offset; | |
1139 | rxdesc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM); | |
1140 | rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); | |
1141 | rxdesc->my_bss = !!rt2x00_get_field32(word0, RXD_W0_MY_BSS); | |
7d1de806 | 1142 | |
7d1de806 | 1143 | /* |
181d6902 ID |
1144 | * The data behind the ieee80211 header must be |
1145 | * aligned on a 4 byte boundary. | |
1146 | */ | |
1147 | if (header_size % 4 == 0) { | |
1148 | skb_push(entry->skb, 2); | |
1149 | memmove(entry->skb->data, entry->skb->data + 2, | |
1150 | entry->skb->len - 2); | |
1151 | } | |
1152 | ||
1153 | /* | |
1154 | * Set descriptor pointer. | |
7d1de806 | 1155 | */ |
7d1de806 | 1156 | skbdesc->data = entry->skb->data; |
181d6902 ID |
1157 | skbdesc->data_len = entry->queue->data_size; |
1158 | skbdesc->desc = entry->skb->data + rxdesc->size; | |
1159 | skbdesc->desc_len = entry->queue->desc_size; | |
1160 | ||
1161 | /* | |
1162 | * Remove descriptor from skb buffer and trim the whole thing | |
1163 | * down to only contain data. | |
1164 | */ | |
1165 | skb_trim(entry->skb, rxdesc->size); | |
95ea3627 ID |
1166 | } |
1167 | ||
1168 | /* | |
1169 | * Interrupt functions. | |
1170 | */ | |
1171 | static void rt2500usb_beacondone(struct urb *urb) | |
1172 | { | |
181d6902 ID |
1173 | struct queue_entry *entry = (struct queue_entry *)urb->context; |
1174 | struct queue_entry_priv_usb_bcn *priv_bcn = entry->priv_data; | |
95ea3627 | 1175 | |
181d6902 | 1176 | if (!test_bit(DEVICE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags)) |
95ea3627 ID |
1177 | return; |
1178 | ||
1179 | /* | |
1180 | * Check if this was the guardian beacon, | |
1181 | * if that was the case we need to send the real beacon now. | |
1182 | * Otherwise we should free the sk_buffer, the device | |
1183 | * should be doing the rest of the work now. | |
1184 | */ | |
181d6902 ID |
1185 | if (priv_bcn->guardian_urb == urb) { |
1186 | usb_submit_urb(priv_bcn->urb, GFP_ATOMIC); | |
1187 | } else if (priv_bcn->urb == urb) { | |
1188 | dev_kfree_skb(entry->skb); | |
1189 | entry->skb = NULL; | |
95ea3627 ID |
1190 | } |
1191 | } | |
1192 | ||
1193 | /* | |
1194 | * Device probe functions. | |
1195 | */ | |
1196 | static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev) | |
1197 | { | |
1198 | u16 word; | |
1199 | u8 *mac; | |
6bb40dd1 | 1200 | u8 bbp; |
95ea3627 ID |
1201 | |
1202 | rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE); | |
1203 | ||
1204 | /* | |
1205 | * Start validation of the data that has been read. | |
1206 | */ | |
1207 | mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); | |
1208 | if (!is_valid_ether_addr(mac)) { | |
0795af57 JP |
1209 | DECLARE_MAC_BUF(macbuf); |
1210 | ||
95ea3627 | 1211 | random_ether_addr(mac); |
0795af57 | 1212 | EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac)); |
95ea3627 ID |
1213 | } |
1214 | ||
1215 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); | |
1216 | if (word == 0xffff) { | |
1217 | rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2); | |
362f3b6b ID |
1218 | rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, |
1219 | ANTENNA_SW_DIVERSITY); | |
1220 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, | |
1221 | ANTENNA_SW_DIVERSITY); | |
1222 | rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE, | |
1223 | LED_MODE_DEFAULT); | |
95ea3627 ID |
1224 | rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0); |
1225 | rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0); | |
1226 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522); | |
1227 | rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); | |
1228 | EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word); | |
1229 | } | |
1230 | ||
1231 | rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word); | |
1232 | if (word == 0xffff) { | |
1233 | rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0); | |
1234 | rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0); | |
1235 | rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0); | |
1236 | rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word); | |
1237 | EEPROM(rt2x00dev, "NIC: 0x%04x\n", word); | |
1238 | } | |
1239 | ||
1240 | rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word); | |
1241 | if (word == 0xffff) { | |
1242 | rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI, | |
1243 | DEFAULT_RSSI_OFFSET); | |
1244 | rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word); | |
1245 | EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word); | |
1246 | } | |
1247 | ||
1248 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word); | |
1249 | if (word == 0xffff) { | |
1250 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45); | |
1251 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word); | |
1252 | EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word); | |
1253 | } | |
1254 | ||
6bb40dd1 ID |
1255 | /* |
1256 | * Switch lower vgc bound to current BBP R17 value, | |
1257 | * lower the value a bit for better quality. | |
1258 | */ | |
1259 | rt2500usb_bbp_read(rt2x00dev, 17, &bbp); | |
1260 | bbp -= 6; | |
1261 | ||
95ea3627 ID |
1262 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word); |
1263 | if (word == 0xffff) { | |
1264 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40); | |
6bb40dd1 | 1265 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp); |
95ea3627 ID |
1266 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word); |
1267 | EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word); | |
1268 | } | |
1269 | ||
1270 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word); | |
1271 | if (word == 0xffff) { | |
1272 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48); | |
1273 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41); | |
1274 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word); | |
1275 | EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word); | |
6bb40dd1 ID |
1276 | } else { |
1277 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp); | |
1278 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word); | |
95ea3627 ID |
1279 | } |
1280 | ||
1281 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word); | |
1282 | if (word == 0xffff) { | |
1283 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40); | |
1284 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80); | |
1285 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word); | |
1286 | EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word); | |
1287 | } | |
1288 | ||
1289 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word); | |
1290 | if (word == 0xffff) { | |
1291 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40); | |
1292 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50); | |
1293 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word); | |
1294 | EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word); | |
1295 | } | |
1296 | ||
1297 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word); | |
1298 | if (word == 0xffff) { | |
1299 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60); | |
1300 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d); | |
1301 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word); | |
1302 | EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word); | |
1303 | } | |
1304 | ||
1305 | return 0; | |
1306 | } | |
1307 | ||
1308 | static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev) | |
1309 | { | |
1310 | u16 reg; | |
1311 | u16 value; | |
1312 | u16 eeprom; | |
1313 | ||
1314 | /* | |
1315 | * Read EEPROM word for configuration. | |
1316 | */ | |
1317 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom); | |
1318 | ||
1319 | /* | |
1320 | * Identify RF chipset. | |
1321 | */ | |
1322 | value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE); | |
1323 | rt2500usb_register_read(rt2x00dev, MAC_CSR0, ®); | |
1324 | rt2x00_set_chip(rt2x00dev, RT2570, value, reg); | |
1325 | ||
755a957d | 1326 | if (!rt2x00_check_rev(&rt2x00dev->chip, 0)) { |
95ea3627 ID |
1327 | ERROR(rt2x00dev, "Invalid RT chipset detected.\n"); |
1328 | return -ENODEV; | |
1329 | } | |
1330 | ||
1331 | if (!rt2x00_rf(&rt2x00dev->chip, RF2522) && | |
1332 | !rt2x00_rf(&rt2x00dev->chip, RF2523) && | |
1333 | !rt2x00_rf(&rt2x00dev->chip, RF2524) && | |
1334 | !rt2x00_rf(&rt2x00dev->chip, RF2525) && | |
1335 | !rt2x00_rf(&rt2x00dev->chip, RF2525E) && | |
1336 | !rt2x00_rf(&rt2x00dev->chip, RF5222)) { | |
1337 | ERROR(rt2x00dev, "Invalid RF chipset detected.\n"); | |
1338 | return -ENODEV; | |
1339 | } | |
1340 | ||
1341 | /* | |
1342 | * Identify default antenna configuration. | |
1343 | */ | |
addc81bd | 1344 | rt2x00dev->default_ant.tx = |
95ea3627 | 1345 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); |
addc81bd | 1346 | rt2x00dev->default_ant.rx = |
95ea3627 ID |
1347 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT); |
1348 | ||
addc81bd ID |
1349 | /* |
1350 | * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead. | |
1351 | * I am not 100% sure about this, but the legacy drivers do not | |
1352 | * indicate antenna swapping in software is required when | |
1353 | * diversity is enabled. | |
1354 | */ | |
1355 | if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY) | |
1356 | rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; | |
1357 | if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY) | |
1358 | rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; | |
1359 | ||
95ea3627 ID |
1360 | /* |
1361 | * Store led mode, for correct led behaviour. | |
1362 | */ | |
a9450b70 ID |
1363 | #ifdef CONFIG_RT2500USB_LEDS |
1364 | value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE); | |
1365 | ||
1366 | switch (value) { | |
1367 | case LED_MODE_ASUS: | |
1368 | case LED_MODE_ALPHA: | |
1369 | case LED_MODE_DEFAULT: | |
1370 | rt2x00dev->led_flags = LED_SUPPORT_RADIO; | |
1371 | break; | |
1372 | case LED_MODE_TXRX_ACTIVITY: | |
1373 | rt2x00dev->led_flags = | |
1374 | LED_SUPPORT_RADIO | LED_SUPPORT_ACTIVITY; | |
1375 | break; | |
1376 | case LED_MODE_SIGNAL_STRENGTH: | |
1377 | rt2x00dev->led_flags = LED_SUPPORT_RADIO; | |
1378 | break; | |
1379 | } | |
1380 | #endif /* CONFIG_RT2500USB_LEDS */ | |
95ea3627 ID |
1381 | |
1382 | /* | |
1383 | * Check if the BBP tuning should be disabled. | |
1384 | */ | |
1385 | rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom); | |
1386 | if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE)) | |
1387 | __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags); | |
1388 | ||
1389 | /* | |
1390 | * Read the RSSI <-> dBm offset information. | |
1391 | */ | |
1392 | rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom); | |
1393 | rt2x00dev->rssi_offset = | |
1394 | rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI); | |
1395 | ||
1396 | return 0; | |
1397 | } | |
1398 | ||
1399 | /* | |
1400 | * RF value list for RF2522 | |
1401 | * Supports: 2.4 GHz | |
1402 | */ | |
1403 | static const struct rf_channel rf_vals_bg_2522[] = { | |
1404 | { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 }, | |
1405 | { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 }, | |
1406 | { 3, 0x00002050, 0x000c2002, 0x00000101, 0 }, | |
1407 | { 4, 0x00002050, 0x000c2016, 0x00000101, 0 }, | |
1408 | { 5, 0x00002050, 0x000c202a, 0x00000101, 0 }, | |
1409 | { 6, 0x00002050, 0x000c203e, 0x00000101, 0 }, | |
1410 | { 7, 0x00002050, 0x000c2052, 0x00000101, 0 }, | |
1411 | { 8, 0x00002050, 0x000c2066, 0x00000101, 0 }, | |
1412 | { 9, 0x00002050, 0x000c207a, 0x00000101, 0 }, | |
1413 | { 10, 0x00002050, 0x000c208e, 0x00000101, 0 }, | |
1414 | { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 }, | |
1415 | { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 }, | |
1416 | { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 }, | |
1417 | { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 }, | |
1418 | }; | |
1419 | ||
1420 | /* | |
1421 | * RF value list for RF2523 | |
1422 | * Supports: 2.4 GHz | |
1423 | */ | |
1424 | static const struct rf_channel rf_vals_bg_2523[] = { | |
1425 | { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b }, | |
1426 | { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b }, | |
1427 | { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b }, | |
1428 | { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b }, | |
1429 | { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b }, | |
1430 | { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b }, | |
1431 | { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b }, | |
1432 | { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b }, | |
1433 | { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b }, | |
1434 | { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b }, | |
1435 | { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b }, | |
1436 | { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b }, | |
1437 | { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b }, | |
1438 | { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 }, | |
1439 | }; | |
1440 | ||
1441 | /* | |
1442 | * RF value list for RF2524 | |
1443 | * Supports: 2.4 GHz | |
1444 | */ | |
1445 | static const struct rf_channel rf_vals_bg_2524[] = { | |
1446 | { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b }, | |
1447 | { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b }, | |
1448 | { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b }, | |
1449 | { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b }, | |
1450 | { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b }, | |
1451 | { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b }, | |
1452 | { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b }, | |
1453 | { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b }, | |
1454 | { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b }, | |
1455 | { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b }, | |
1456 | { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b }, | |
1457 | { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b }, | |
1458 | { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b }, | |
1459 | { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 }, | |
1460 | }; | |
1461 | ||
1462 | /* | |
1463 | * RF value list for RF2525 | |
1464 | * Supports: 2.4 GHz | |
1465 | */ | |
1466 | static const struct rf_channel rf_vals_bg_2525[] = { | |
1467 | { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b }, | |
1468 | { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b }, | |
1469 | { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b }, | |
1470 | { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b }, | |
1471 | { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b }, | |
1472 | { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b }, | |
1473 | { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b }, | |
1474 | { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b }, | |
1475 | { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b }, | |
1476 | { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b }, | |
1477 | { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b }, | |
1478 | { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b }, | |
1479 | { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b }, | |
1480 | { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 }, | |
1481 | }; | |
1482 | ||
1483 | /* | |
1484 | * RF value list for RF2525e | |
1485 | * Supports: 2.4 GHz | |
1486 | */ | |
1487 | static const struct rf_channel rf_vals_bg_2525e[] = { | |
1488 | { 1, 0x00022010, 0x0000089a, 0x00060111, 0x00000e1b }, | |
1489 | { 2, 0x00022010, 0x0000089e, 0x00060111, 0x00000e07 }, | |
1490 | { 3, 0x00022010, 0x0000089e, 0x00060111, 0x00000e1b }, | |
1491 | { 4, 0x00022010, 0x000008a2, 0x00060111, 0x00000e07 }, | |
1492 | { 5, 0x00022010, 0x000008a2, 0x00060111, 0x00000e1b }, | |
1493 | { 6, 0x00022010, 0x000008a6, 0x00060111, 0x00000e07 }, | |
1494 | { 7, 0x00022010, 0x000008a6, 0x00060111, 0x00000e1b }, | |
1495 | { 8, 0x00022010, 0x000008aa, 0x00060111, 0x00000e07 }, | |
1496 | { 9, 0x00022010, 0x000008aa, 0x00060111, 0x00000e1b }, | |
1497 | { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 }, | |
1498 | { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b }, | |
1499 | { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 }, | |
1500 | { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b }, | |
1501 | { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 }, | |
1502 | }; | |
1503 | ||
1504 | /* | |
1505 | * RF value list for RF5222 | |
1506 | * Supports: 2.4 GHz & 5.2 GHz | |
1507 | */ | |
1508 | static const struct rf_channel rf_vals_5222[] = { | |
1509 | { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b }, | |
1510 | { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b }, | |
1511 | { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b }, | |
1512 | { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b }, | |
1513 | { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b }, | |
1514 | { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b }, | |
1515 | { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b }, | |
1516 | { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b }, | |
1517 | { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b }, | |
1518 | { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b }, | |
1519 | { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b }, | |
1520 | { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b }, | |
1521 | { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b }, | |
1522 | { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b }, | |
1523 | ||
1524 | /* 802.11 UNI / HyperLan 2 */ | |
1525 | { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f }, | |
1526 | { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f }, | |
1527 | { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f }, | |
1528 | { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f }, | |
1529 | { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f }, | |
1530 | { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f }, | |
1531 | { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f }, | |
1532 | { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f }, | |
1533 | ||
1534 | /* 802.11 HyperLan 2 */ | |
1535 | { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f }, | |
1536 | { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f }, | |
1537 | { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f }, | |
1538 | { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f }, | |
1539 | { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f }, | |
1540 | { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f }, | |
1541 | { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f }, | |
1542 | { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f }, | |
1543 | { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f }, | |
1544 | { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f }, | |
1545 | ||
1546 | /* 802.11 UNII */ | |
1547 | { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f }, | |
1548 | { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 }, | |
1549 | { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 }, | |
1550 | { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 }, | |
1551 | { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 }, | |
1552 | }; | |
1553 | ||
1554 | static void rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) | |
1555 | { | |
1556 | struct hw_mode_spec *spec = &rt2x00dev->spec; | |
1557 | u8 *txpower; | |
1558 | unsigned int i; | |
1559 | ||
1560 | /* | |
1561 | * Initialize all hw fields. | |
1562 | */ | |
1563 | rt2x00dev->hw->flags = | |
1564 | IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | | |
1565 | IEEE80211_HW_RX_INCLUDES_FCS | | |
4150c572 | 1566 | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; |
95ea3627 ID |
1567 | rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE; |
1568 | rt2x00dev->hw->max_signal = MAX_SIGNAL; | |
1569 | rt2x00dev->hw->max_rssi = MAX_RX_SSI; | |
1570 | rt2x00dev->hw->queues = 2; | |
1571 | ||
1572 | SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_usb(rt2x00dev)->dev); | |
1573 | SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, | |
1574 | rt2x00_eeprom_addr(rt2x00dev, | |
1575 | EEPROM_MAC_ADDR_0)); | |
1576 | ||
1577 | /* | |
1578 | * Convert tx_power array in eeprom. | |
1579 | */ | |
1580 | txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START); | |
1581 | for (i = 0; i < 14; i++) | |
1582 | txpower[i] = TXPOWER_FROM_DEV(txpower[i]); | |
1583 | ||
1584 | /* | |
1585 | * Initialize hw_mode information. | |
1586 | */ | |
1587 | spec->num_modes = 2; | |
1588 | spec->num_rates = 12; | |
1589 | spec->tx_power_a = NULL; | |
1590 | spec->tx_power_bg = txpower; | |
1591 | spec->tx_power_default = DEFAULT_TXPOWER; | |
1592 | ||
1593 | if (rt2x00_rf(&rt2x00dev->chip, RF2522)) { | |
1594 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522); | |
1595 | spec->channels = rf_vals_bg_2522; | |
1596 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) { | |
1597 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523); | |
1598 | spec->channels = rf_vals_bg_2523; | |
1599 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) { | |
1600 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524); | |
1601 | spec->channels = rf_vals_bg_2524; | |
1602 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) { | |
1603 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525); | |
1604 | spec->channels = rf_vals_bg_2525; | |
1605 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) { | |
1606 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e); | |
1607 | spec->channels = rf_vals_bg_2525e; | |
1608 | } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) { | |
1609 | spec->num_channels = ARRAY_SIZE(rf_vals_5222); | |
1610 | spec->channels = rf_vals_5222; | |
1611 | spec->num_modes = 3; | |
1612 | } | |
1613 | } | |
1614 | ||
1615 | static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev) | |
1616 | { | |
1617 | int retval; | |
1618 | ||
1619 | /* | |
1620 | * Allocate eeprom data. | |
1621 | */ | |
1622 | retval = rt2500usb_validate_eeprom(rt2x00dev); | |
1623 | if (retval) | |
1624 | return retval; | |
1625 | ||
1626 | retval = rt2500usb_init_eeprom(rt2x00dev); | |
1627 | if (retval) | |
1628 | return retval; | |
1629 | ||
1630 | /* | |
1631 | * Initialize hw specifications. | |
1632 | */ | |
1633 | rt2500usb_probe_hw_mode(rt2x00dev); | |
1634 | ||
1635 | /* | |
181d6902 | 1636 | * This device requires the atim queue |
95ea3627 | 1637 | */ |
181d6902 ID |
1638 | __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags); |
1639 | __set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags); | |
95ea3627 ID |
1640 | |
1641 | /* | |
1642 | * Set the rssi offset. | |
1643 | */ | |
1644 | rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; | |
1645 | ||
1646 | return 0; | |
1647 | } | |
1648 | ||
1649 | /* | |
1650 | * IEEE80211 stack callback functions. | |
1651 | */ | |
4150c572 JB |
1652 | static void rt2500usb_configure_filter(struct ieee80211_hw *hw, |
1653 | unsigned int changed_flags, | |
1654 | unsigned int *total_flags, | |
1655 | int mc_count, | |
1656 | struct dev_addr_list *mc_list) | |
1657 | { | |
1658 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
4150c572 JB |
1659 | u16 reg; |
1660 | ||
1661 | /* | |
1662 | * Mask off any flags we are going to ignore from | |
1663 | * the total_flags field. | |
1664 | */ | |
1665 | *total_flags &= | |
1666 | FIF_ALLMULTI | | |
1667 | FIF_FCSFAIL | | |
1668 | FIF_PLCPFAIL | | |
1669 | FIF_CONTROL | | |
1670 | FIF_OTHER_BSS | | |
1671 | FIF_PROMISC_IN_BSS; | |
1672 | ||
1673 | /* | |
1674 | * Apply some rules to the filters: | |
1675 | * - Some filters imply different filters to be set. | |
1676 | * - Some things we can't filter out at all. | |
4150c572 JB |
1677 | */ |
1678 | if (mc_count) | |
1679 | *total_flags |= FIF_ALLMULTI; | |
5886d0db ID |
1680 | if (*total_flags & FIF_OTHER_BSS || |
1681 | *total_flags & FIF_PROMISC_IN_BSS) | |
4150c572 | 1682 | *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS; |
4150c572 JB |
1683 | |
1684 | /* | |
1685 | * Check if there is any work left for us. | |
1686 | */ | |
3c4f2085 | 1687 | if (rt2x00dev->packet_filter == *total_flags) |
4150c572 | 1688 | return; |
3c4f2085 | 1689 | rt2x00dev->packet_filter = *total_flags; |
4150c572 JB |
1690 | |
1691 | /* | |
1692 | * When in atomic context, reschedule and let rt2x00lib | |
1693 | * call this function again. | |
1694 | */ | |
1695 | if (in_atomic()) { | |
1696 | queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->filter_work); | |
1697 | return; | |
1698 | } | |
1699 | ||
1700 | /* | |
1701 | * Start configuration steps. | |
1702 | * Note that the version error will always be dropped | |
1703 | * and broadcast frames will always be accepted since | |
1704 | * there is no filter for it at this time. | |
1705 | */ | |
1706 | rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); | |
1707 | rt2x00_set_field16(®, TXRX_CSR2_DROP_CRC, | |
1708 | !(*total_flags & FIF_FCSFAIL)); | |
1709 | rt2x00_set_field16(®, TXRX_CSR2_DROP_PHYSICAL, | |
1710 | !(*total_flags & FIF_PLCPFAIL)); | |
1711 | rt2x00_set_field16(®, TXRX_CSR2_DROP_CONTROL, | |
1712 | !(*total_flags & FIF_CONTROL)); | |
1713 | rt2x00_set_field16(®, TXRX_CSR2_DROP_NOT_TO_ME, | |
1714 | !(*total_flags & FIF_PROMISC_IN_BSS)); | |
1715 | rt2x00_set_field16(®, TXRX_CSR2_DROP_TODS, | |
1716 | !(*total_flags & FIF_PROMISC_IN_BSS)); | |
1717 | rt2x00_set_field16(®, TXRX_CSR2_DROP_VERSION_ERROR, 1); | |
1718 | rt2x00_set_field16(®, TXRX_CSR2_DROP_MULTICAST, | |
1719 | !(*total_flags & FIF_ALLMULTI)); | |
1720 | rt2x00_set_field16(®, TXRX_CSR2_DROP_BROADCAST, 0); | |
1721 | rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); | |
1722 | } | |
1723 | ||
95ea3627 ID |
1724 | static int rt2500usb_beacon_update(struct ieee80211_hw *hw, |
1725 | struct sk_buff *skb, | |
1726 | struct ieee80211_tx_control *control) | |
1727 | { | |
1728 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
181d6902 | 1729 | struct usb_device *usb_dev = rt2x00dev_usb_dev(rt2x00dev); |
6bb40dd1 | 1730 | struct rt2x00_intf *intf = vif_to_intf(control->vif); |
181d6902 ID |
1731 | struct queue_entry_priv_usb_bcn *priv_bcn; |
1732 | struct skb_frame_desc *skbdesc; | |
dd9fa2d2 | 1733 | int pipe = usb_sndbulkpipe(usb_dev, 1); |
95ea3627 ID |
1734 | int length; |
1735 | ||
6bb40dd1 ID |
1736 | if (unlikely(!intf->beacon)) |
1737 | return -ENOBUFS; | |
1738 | ||
1739 | priv_bcn = intf->beacon->priv_data; | |
95ea3627 ID |
1740 | |
1741 | /* | |
08992f7f | 1742 | * Add the descriptor in front of the skb. |
95ea3627 | 1743 | */ |
6bb40dd1 ID |
1744 | skb_push(skb, intf->beacon->queue->desc_size); |
1745 | memset(skb->data, 0, intf->beacon->queue->desc_size); | |
c22eb87b | 1746 | |
08992f7f ID |
1747 | /* |
1748 | * Fill in skb descriptor | |
1749 | */ | |
181d6902 ID |
1750 | skbdesc = get_skb_frame_desc(skb); |
1751 | memset(skbdesc, 0, sizeof(*skbdesc)); | |
6bb40dd1 ID |
1752 | skbdesc->data = skb->data + intf->beacon->queue->desc_size; |
1753 | skbdesc->data_len = skb->len - intf->beacon->queue->desc_size; | |
181d6902 | 1754 | skbdesc->desc = skb->data; |
6bb40dd1 ID |
1755 | skbdesc->desc_len = intf->beacon->queue->desc_size; |
1756 | skbdesc->entry = intf->beacon; | |
08992f7f | 1757 | |
6bb40dd1 | 1758 | /* |
5957da4c ID |
1759 | * mac80211 doesn't provide the control->queue variable |
1760 | * for beacons. Set our own queue identification so | |
1761 | * it can be used during descriptor initialization. | |
6bb40dd1 | 1762 | */ |
5957da4c | 1763 | control->queue = RT2X00_BCN_QUEUE_BEACON; |
08992f7f | 1764 | rt2x00lib_write_tx_desc(rt2x00dev, skb, control); |
95ea3627 | 1765 | |
08992f7f ID |
1766 | /* |
1767 | * USB devices cannot blindly pass the skb->len as the | |
1768 | * length of the data to usb_fill_bulk_urb. Pass the skb | |
1769 | * to the driver to determine what the length should be. | |
1770 | */ | |
b242e891 | 1771 | length = rt2500usb_get_tx_data_len(rt2x00dev, skb); |
95ea3627 | 1772 | |
181d6902 | 1773 | usb_fill_bulk_urb(priv_bcn->urb, usb_dev, pipe, |
6bb40dd1 ID |
1774 | skb->data, length, rt2500usb_beacondone, |
1775 | intf->beacon); | |
95ea3627 | 1776 | |
95ea3627 ID |
1777 | /* |
1778 | * Second we need to create the guardian byte. | |
1779 | * We only need a single byte, so lets recycle | |
1780 | * the 'flags' field we are not using for beacons. | |
1781 | */ | |
181d6902 ID |
1782 | priv_bcn->guardian_data = 0; |
1783 | usb_fill_bulk_urb(priv_bcn->guardian_urb, usb_dev, pipe, | |
1784 | &priv_bcn->guardian_data, 1, rt2500usb_beacondone, | |
6bb40dd1 | 1785 | intf->beacon); |
95ea3627 ID |
1786 | |
1787 | /* | |
1788 | * Send out the guardian byte. | |
1789 | */ | |
181d6902 | 1790 | usb_submit_urb(priv_bcn->guardian_urb, GFP_ATOMIC); |
95ea3627 ID |
1791 | |
1792 | /* | |
1793 | * Enable beacon generation. | |
1794 | */ | |
6bb40dd1 | 1795 | rt2500usb_kick_tx_queue(rt2x00dev, control->queue); |
95ea3627 ID |
1796 | |
1797 | return 0; | |
1798 | } | |
1799 | ||
1800 | static const struct ieee80211_ops rt2500usb_mac80211_ops = { | |
1801 | .tx = rt2x00mac_tx, | |
4150c572 JB |
1802 | .start = rt2x00mac_start, |
1803 | .stop = rt2x00mac_stop, | |
95ea3627 ID |
1804 | .add_interface = rt2x00mac_add_interface, |
1805 | .remove_interface = rt2x00mac_remove_interface, | |
1806 | .config = rt2x00mac_config, | |
1807 | .config_interface = rt2x00mac_config_interface, | |
4150c572 | 1808 | .configure_filter = rt2500usb_configure_filter, |
95ea3627 | 1809 | .get_stats = rt2x00mac_get_stats, |
471b3efd | 1810 | .bss_info_changed = rt2x00mac_bss_info_changed, |
95ea3627 ID |
1811 | .conf_tx = rt2x00mac_conf_tx, |
1812 | .get_tx_stats = rt2x00mac_get_tx_stats, | |
1813 | .beacon_update = rt2500usb_beacon_update, | |
1814 | }; | |
1815 | ||
1816 | static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = { | |
1817 | .probe_hw = rt2500usb_probe_hw, | |
1818 | .initialize = rt2x00usb_initialize, | |
1819 | .uninitialize = rt2x00usb_uninitialize, | |
837e7f24 ID |
1820 | .init_rxentry = rt2x00usb_init_rxentry, |
1821 | .init_txentry = rt2x00usb_init_txentry, | |
95ea3627 ID |
1822 | .set_device_state = rt2500usb_set_device_state, |
1823 | .link_stats = rt2500usb_link_stats, | |
1824 | .reset_tuner = rt2500usb_reset_tuner, | |
1825 | .link_tuner = rt2500usb_link_tuner, | |
a9450b70 | 1826 | .led_brightness = rt2500usb_led_brightness, |
95ea3627 ID |
1827 | .write_tx_desc = rt2500usb_write_tx_desc, |
1828 | .write_tx_data = rt2x00usb_write_tx_data, | |
dd9fa2d2 | 1829 | .get_tx_data_len = rt2500usb_get_tx_data_len, |
95ea3627 ID |
1830 | .kick_tx_queue = rt2500usb_kick_tx_queue, |
1831 | .fill_rxdone = rt2500usb_fill_rxdone, | |
6bb40dd1 | 1832 | .config_intf = rt2500usb_config_intf, |
5c58ee51 | 1833 | .config_preamble = rt2500usb_config_preamble, |
95ea3627 ID |
1834 | .config = rt2500usb_config, |
1835 | }; | |
1836 | ||
181d6902 ID |
1837 | static const struct data_queue_desc rt2500usb_queue_rx = { |
1838 | .entry_num = RX_ENTRIES, | |
1839 | .data_size = DATA_FRAME_SIZE, | |
1840 | .desc_size = RXD_DESC_SIZE, | |
1841 | .priv_size = sizeof(struct queue_entry_priv_usb_rx), | |
1842 | }; | |
1843 | ||
1844 | static const struct data_queue_desc rt2500usb_queue_tx = { | |
1845 | .entry_num = TX_ENTRIES, | |
1846 | .data_size = DATA_FRAME_SIZE, | |
1847 | .desc_size = TXD_DESC_SIZE, | |
1848 | .priv_size = sizeof(struct queue_entry_priv_usb_tx), | |
1849 | }; | |
1850 | ||
1851 | static const struct data_queue_desc rt2500usb_queue_bcn = { | |
1852 | .entry_num = BEACON_ENTRIES, | |
1853 | .data_size = MGMT_FRAME_SIZE, | |
1854 | .desc_size = TXD_DESC_SIZE, | |
1855 | .priv_size = sizeof(struct queue_entry_priv_usb_bcn), | |
1856 | }; | |
1857 | ||
1858 | static const struct data_queue_desc rt2500usb_queue_atim = { | |
1859 | .entry_num = ATIM_ENTRIES, | |
1860 | .data_size = DATA_FRAME_SIZE, | |
1861 | .desc_size = TXD_DESC_SIZE, | |
1862 | .priv_size = sizeof(struct queue_entry_priv_usb_tx), | |
1863 | }; | |
1864 | ||
95ea3627 | 1865 | static const struct rt2x00_ops rt2500usb_ops = { |
2360157c | 1866 | .name = KBUILD_MODNAME, |
6bb40dd1 ID |
1867 | .max_sta_intf = 1, |
1868 | .max_ap_intf = 1, | |
95ea3627 ID |
1869 | .eeprom_size = EEPROM_SIZE, |
1870 | .rf_size = RF_SIZE, | |
181d6902 ID |
1871 | .rx = &rt2500usb_queue_rx, |
1872 | .tx = &rt2500usb_queue_tx, | |
1873 | .bcn = &rt2500usb_queue_bcn, | |
1874 | .atim = &rt2500usb_queue_atim, | |
95ea3627 ID |
1875 | .lib = &rt2500usb_rt2x00_ops, |
1876 | .hw = &rt2500usb_mac80211_ops, | |
1877 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS | |
1878 | .debugfs = &rt2500usb_rt2x00debug, | |
1879 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ | |
1880 | }; | |
1881 | ||
1882 | /* | |
1883 | * rt2500usb module information. | |
1884 | */ | |
1885 | static struct usb_device_id rt2500usb_device_table[] = { | |
1886 | /* ASUS */ | |
1887 | { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1888 | { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1889 | /* Belkin */ | |
1890 | { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1891 | { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1892 | { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1893 | /* Cisco Systems */ | |
1894 | { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1895 | { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1896 | { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1897 | /* Conceptronic */ | |
1898 | { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1899 | /* D-LINK */ | |
1900 | { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1901 | /* Gigabyte */ | |
1902 | { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1903 | { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1904 | /* Hercules */ | |
1905 | { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1906 | /* Melco */ | |
db433feb | 1907 | { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) }, |
95ea3627 ID |
1908 | { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) }, |
1909 | { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1910 | { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1911 | { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
95ea3627 ID |
1912 | /* MSI */ |
1913 | { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1914 | { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1915 | { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1916 | /* Ralink */ | |
1917 | { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1918 | { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1919 | { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1920 | { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1921 | /* Siemens */ | |
1922 | { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1923 | /* SMC */ | |
1924 | { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1925 | /* Spairon */ | |
1926 | { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1927 | /* Trust */ | |
1928 | { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1929 | /* Zinwell */ | |
1930 | { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1931 | { 0, } | |
1932 | }; | |
1933 | ||
1934 | MODULE_AUTHOR(DRV_PROJECT); | |
1935 | MODULE_VERSION(DRV_VERSION); | |
1936 | MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver."); | |
1937 | MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards"); | |
1938 | MODULE_DEVICE_TABLE(usb, rt2500usb_device_table); | |
1939 | MODULE_LICENSE("GPL"); | |
1940 | ||
1941 | static struct usb_driver rt2500usb_driver = { | |
2360157c | 1942 | .name = KBUILD_MODNAME, |
95ea3627 ID |
1943 | .id_table = rt2500usb_device_table, |
1944 | .probe = rt2x00usb_probe, | |
1945 | .disconnect = rt2x00usb_disconnect, | |
1946 | .suspend = rt2x00usb_suspend, | |
1947 | .resume = rt2x00usb_resume, | |
1948 | }; | |
1949 | ||
1950 | static int __init rt2500usb_init(void) | |
1951 | { | |
1952 | return usb_register(&rt2500usb_driver); | |
1953 | } | |
1954 | ||
1955 | static void __exit rt2500usb_exit(void) | |
1956 | { | |
1957 | usb_deregister(&rt2500usb_driver); | |
1958 | } | |
1959 | ||
1960 | module_init(rt2500usb_init); | |
1961 | module_exit(rt2500usb_exit); |