Commit | Line | Data |
---|---|---|
95ea3627 ID |
1 | /* |
2 | Copyright (C) 2004 - 2007 rt2x00 SourceForge Project | |
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 | ||
285 | /* | |
286 | * Configuration handlers. | |
287 | */ | |
4abee4bb ID |
288 | static void rt2500usb_config_mac_addr(struct rt2x00_dev *rt2x00dev, |
289 | __le32 *mac) | |
95ea3627 | 290 | { |
dd87145d | 291 | rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, mac, |
4abee4bb | 292 | (3 * sizeof(__le16))); |
95ea3627 ID |
293 | } |
294 | ||
4abee4bb ID |
295 | static void rt2500usb_config_bssid(struct rt2x00_dev *rt2x00dev, |
296 | __le32 *bssid) | |
95ea3627 | 297 | { |
4abee4bb ID |
298 | rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, bssid, |
299 | (3 * sizeof(__le16))); | |
95ea3627 ID |
300 | } |
301 | ||
feb24691 ID |
302 | static void rt2500usb_config_type(struct rt2x00_dev *rt2x00dev, const int type, |
303 | const int tsf_sync) | |
95ea3627 ID |
304 | { |
305 | u16 reg; | |
306 | ||
307 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); | |
308 | ||
95ea3627 ID |
309 | /* |
310 | * Enable beacon config | |
311 | */ | |
312 | rt2500usb_register_read(rt2x00dev, TXRX_CSR20, ®); | |
313 | rt2x00_set_field16(®, TXRX_CSR20_OFFSET, | |
a137e202 | 314 | (PREAMBLE + get_duration(IEEE80211_HEADER, 20)) >> 6); |
feb24691 | 315 | if (type == IEEE80211_IF_TYPE_STA) |
95ea3627 ID |
316 | rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, 0); |
317 | else | |
318 | rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, 2); | |
319 | rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg); | |
320 | ||
321 | /* | |
322 | * Enable synchronisation. | |
323 | */ | |
324 | rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®); | |
325 | rt2x00_set_field16(®, TXRX_CSR18_OFFSET, 0); | |
326 | rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg); | |
327 | ||
328 | rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); | |
4150c572 | 329 | rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); |
3867705b ID |
330 | rt2x00_set_field16(®, TXRX_CSR19_TBCN, |
331 | (tsf_sync == TSF_SYNC_BEACON)); | |
95ea3627 | 332 | rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0); |
feb24691 | 333 | rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, tsf_sync); |
95ea3627 ID |
334 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); |
335 | } | |
336 | ||
5c58ee51 ID |
337 | static void rt2500usb_config_preamble(struct rt2x00_dev *rt2x00dev, |
338 | const int short_preamble, | |
339 | const int ack_timeout, | |
340 | const int ack_consume_time) | |
95ea3627 | 341 | { |
95ea3627 | 342 | u16 reg; |
95ea3627 | 343 | |
5c58ee51 ID |
344 | /* |
345 | * When in atomic context, reschedule and let rt2x00lib | |
346 | * call this function again. | |
347 | */ | |
348 | if (in_atomic()) { | |
349 | queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->config_work); | |
350 | return; | |
351 | } | |
95ea3627 ID |
352 | |
353 | rt2500usb_register_read(rt2x00dev, TXRX_CSR1, ®); | |
5c58ee51 | 354 | rt2x00_set_field16(®, TXRX_CSR1_ACK_TIMEOUT, ack_timeout); |
95ea3627 ID |
355 | rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg); |
356 | ||
357 | rt2500usb_register_read(rt2x00dev, TXRX_CSR10, ®); | |
4f5af6eb | 358 | rt2x00_set_field16(®, TXRX_CSR10_AUTORESPOND_PREAMBLE, |
5c58ee51 | 359 | !!short_preamble); |
95ea3627 ID |
360 | rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg); |
361 | } | |
362 | ||
363 | static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev, | |
5c58ee51 ID |
364 | const int phymode, |
365 | const int basic_rate_mask) | |
95ea3627 | 366 | { |
5c58ee51 | 367 | rt2500usb_register_write(rt2x00dev, TXRX_CSR11, basic_rate_mask); |
95ea3627 | 368 | |
5c58ee51 | 369 | if (phymode == HWMODE_B) { |
95ea3627 ID |
370 | rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x000b); |
371 | rt2500usb_register_write(rt2x00dev, MAC_CSR12, 0x0040); | |
372 | } else { | |
373 | rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0005); | |
374 | rt2500usb_register_write(rt2x00dev, MAC_CSR12, 0x016c); | |
375 | } | |
376 | } | |
377 | ||
378 | static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev, | |
5c58ee51 | 379 | struct rf_channel *rf, const int txpower) |
95ea3627 | 380 | { |
95ea3627 ID |
381 | /* |
382 | * Set TXpower. | |
383 | */ | |
5c58ee51 | 384 | rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); |
95ea3627 ID |
385 | |
386 | /* | |
387 | * For RT2525E we should first set the channel to half band higher. | |
388 | */ | |
389 | if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) { | |
390 | static const u32 vals[] = { | |
391 | 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2, | |
392 | 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba, | |
393 | 0x000008ba, 0x000008be, 0x000008b7, 0x00000902, | |
394 | 0x00000902, 0x00000906 | |
395 | }; | |
396 | ||
5c58ee51 ID |
397 | rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]); |
398 | if (rf->rf4) | |
399 | rt2500usb_rf_write(rt2x00dev, 4, rf->rf4); | |
95ea3627 ID |
400 | } |
401 | ||
5c58ee51 ID |
402 | rt2500usb_rf_write(rt2x00dev, 1, rf->rf1); |
403 | rt2500usb_rf_write(rt2x00dev, 2, rf->rf2); | |
404 | rt2500usb_rf_write(rt2x00dev, 3, rf->rf3); | |
405 | if (rf->rf4) | |
406 | rt2500usb_rf_write(rt2x00dev, 4, rf->rf4); | |
95ea3627 ID |
407 | } |
408 | ||
409 | static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev, | |
410 | const int txpower) | |
411 | { | |
412 | u32 rf3; | |
413 | ||
414 | rt2x00_rf_read(rt2x00dev, 3, &rf3); | |
415 | rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); | |
416 | rt2500usb_rf_write(rt2x00dev, 3, rf3); | |
417 | } | |
418 | ||
419 | static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev, | |
addc81bd | 420 | struct antenna_setup *ant) |
95ea3627 ID |
421 | { |
422 | u8 r2; | |
423 | u8 r14; | |
424 | u16 csr5; | |
425 | u16 csr6; | |
426 | ||
427 | rt2500usb_bbp_read(rt2x00dev, 2, &r2); | |
428 | rt2500usb_bbp_read(rt2x00dev, 14, &r14); | |
429 | rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5); | |
430 | rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6); | |
431 | ||
432 | /* | |
433 | * Configure the TX antenna. | |
434 | */ | |
addc81bd | 435 | switch (ant->tx) { |
95ea3627 ID |
436 | case ANTENNA_HW_DIVERSITY: |
437 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1); | |
438 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1); | |
439 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1); | |
440 | break; | |
441 | case ANTENNA_A: | |
442 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0); | |
443 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0); | |
444 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0); | |
445 | break; | |
39e75857 ID |
446 | case ANTENNA_SW_DIVERSITY: |
447 | /* | |
448 | * NOTE: We should never come here because rt2x00lib is | |
449 | * supposed to catch this and send us the correct antenna | |
450 | * explicitely. However we are nog going to bug about this. | |
451 | * Instead, just default to antenna B. | |
452 | */ | |
95ea3627 ID |
453 | case ANTENNA_B: |
454 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2); | |
455 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2); | |
456 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2); | |
457 | break; | |
458 | } | |
459 | ||
460 | /* | |
461 | * Configure the RX antenna. | |
462 | */ | |
addc81bd | 463 | switch (ant->rx) { |
95ea3627 ID |
464 | case ANTENNA_HW_DIVERSITY: |
465 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1); | |
466 | break; | |
467 | case ANTENNA_A: | |
468 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0); | |
469 | break; | |
39e75857 ID |
470 | case ANTENNA_SW_DIVERSITY: |
471 | /* | |
472 | * NOTE: We should never come here because rt2x00lib is | |
473 | * supposed to catch this and send us the correct antenna | |
474 | * explicitely. However we are nog going to bug about this. | |
475 | * Instead, just default to antenna B. | |
476 | */ | |
95ea3627 ID |
477 | case ANTENNA_B: |
478 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2); | |
479 | break; | |
480 | } | |
481 | ||
482 | /* | |
483 | * RT2525E and RT5222 need to flip TX I/Q | |
484 | */ | |
485 | if (rt2x00_rf(&rt2x00dev->chip, RF2525E) || | |
486 | rt2x00_rf(&rt2x00dev->chip, RF5222)) { | |
487 | rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1); | |
488 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1); | |
489 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1); | |
490 | ||
491 | /* | |
492 | * RT2525E does not need RX I/Q Flip. | |
493 | */ | |
494 | if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) | |
495 | rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0); | |
496 | } else { | |
497 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0); | |
498 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0); | |
499 | } | |
500 | ||
501 | rt2500usb_bbp_write(rt2x00dev, 2, r2); | |
502 | rt2500usb_bbp_write(rt2x00dev, 14, r14); | |
503 | rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5); | |
504 | rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6); | |
505 | } | |
506 | ||
507 | static void rt2500usb_config_duration(struct rt2x00_dev *rt2x00dev, | |
5c58ee51 | 508 | struct rt2x00lib_conf *libconf) |
95ea3627 ID |
509 | { |
510 | u16 reg; | |
511 | ||
5c58ee51 | 512 | rt2500usb_register_write(rt2x00dev, MAC_CSR10, libconf->slot_time); |
95ea3627 ID |
513 | |
514 | rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®); | |
5c58ee51 ID |
515 | rt2x00_set_field16(®, TXRX_CSR18_INTERVAL, |
516 | libconf->conf->beacon_int * 4); | |
95ea3627 ID |
517 | rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg); |
518 | } | |
519 | ||
520 | static void rt2500usb_config(struct rt2x00_dev *rt2x00dev, | |
521 | const unsigned int flags, | |
5c58ee51 | 522 | struct rt2x00lib_conf *libconf) |
95ea3627 | 523 | { |
95ea3627 | 524 | if (flags & CONFIG_UPDATE_PHYMODE) |
5c58ee51 ID |
525 | rt2500usb_config_phymode(rt2x00dev, libconf->phymode, |
526 | libconf->basic_rates); | |
95ea3627 | 527 | if (flags & CONFIG_UPDATE_CHANNEL) |
5c58ee51 ID |
528 | rt2500usb_config_channel(rt2x00dev, &libconf->rf, |
529 | libconf->conf->power_level); | |
95ea3627 | 530 | if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL)) |
5c58ee51 ID |
531 | rt2500usb_config_txpower(rt2x00dev, |
532 | libconf->conf->power_level); | |
95ea3627 | 533 | if (flags & CONFIG_UPDATE_ANTENNA) |
addc81bd | 534 | rt2500usb_config_antenna(rt2x00dev, &libconf->ant); |
95ea3627 | 535 | if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT)) |
5c58ee51 | 536 | rt2500usb_config_duration(rt2x00dev, libconf); |
95ea3627 ID |
537 | } |
538 | ||
539 | /* | |
540 | * LED functions. | |
541 | */ | |
542 | static void rt2500usb_enable_led(struct rt2x00_dev *rt2x00dev) | |
543 | { | |
544 | u16 reg; | |
545 | ||
546 | rt2500usb_register_read(rt2x00dev, MAC_CSR21, ®); | |
547 | rt2x00_set_field16(®, MAC_CSR21_ON_PERIOD, 70); | |
548 | rt2x00_set_field16(®, MAC_CSR21_OFF_PERIOD, 30); | |
549 | rt2500usb_register_write(rt2x00dev, MAC_CSR21, reg); | |
550 | ||
551 | rt2500usb_register_read(rt2x00dev, MAC_CSR20, ®); | |
ddc827f9 ID |
552 | rt2x00_set_field16(®, MAC_CSR20_LINK, |
553 | (rt2x00dev->led_mode != LED_MODE_ASUS)); | |
554 | rt2x00_set_field16(®, MAC_CSR20_ACTIVITY, | |
555 | (rt2x00dev->led_mode != LED_MODE_TXRX_ACTIVITY)); | |
95ea3627 ID |
556 | rt2500usb_register_write(rt2x00dev, MAC_CSR20, reg); |
557 | } | |
558 | ||
559 | static void rt2500usb_disable_led(struct rt2x00_dev *rt2x00dev) | |
560 | { | |
561 | u16 reg; | |
562 | ||
563 | rt2500usb_register_read(rt2x00dev, MAC_CSR20, ®); | |
564 | rt2x00_set_field16(®, MAC_CSR20_LINK, 0); | |
565 | rt2x00_set_field16(®, MAC_CSR20_ACTIVITY, 0); | |
566 | rt2500usb_register_write(rt2x00dev, MAC_CSR20, reg); | |
567 | } | |
568 | ||
569 | /* | |
570 | * Link tuning | |
571 | */ | |
ebcf26da ID |
572 | static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev, |
573 | struct link_qual *qual) | |
95ea3627 ID |
574 | { |
575 | u16 reg; | |
576 | ||
577 | /* | |
578 | * Update FCS error count from register. | |
579 | */ | |
580 | rt2500usb_register_read(rt2x00dev, STA_CSR0, ®); | |
ebcf26da | 581 | qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR); |
95ea3627 ID |
582 | |
583 | /* | |
584 | * Update False CCA count from register. | |
585 | */ | |
586 | rt2500usb_register_read(rt2x00dev, STA_CSR3, ®); | |
ebcf26da | 587 | qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR); |
95ea3627 ID |
588 | } |
589 | ||
590 | static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev) | |
591 | { | |
592 | u16 eeprom; | |
593 | u16 value; | |
594 | ||
595 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom); | |
596 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW); | |
597 | rt2500usb_bbp_write(rt2x00dev, 24, value); | |
598 | ||
599 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom); | |
600 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW); | |
601 | rt2500usb_bbp_write(rt2x00dev, 25, value); | |
602 | ||
603 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom); | |
604 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW); | |
605 | rt2500usb_bbp_write(rt2x00dev, 61, value); | |
606 | ||
607 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom); | |
608 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER); | |
609 | rt2500usb_bbp_write(rt2x00dev, 17, value); | |
610 | ||
611 | rt2x00dev->link.vgc_level = value; | |
612 | } | |
613 | ||
614 | static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev) | |
615 | { | |
616 | int rssi = rt2x00_get_link_rssi(&rt2x00dev->link); | |
617 | u16 bbp_thresh; | |
618 | u16 vgc_bound; | |
619 | u16 sens; | |
620 | u16 r24; | |
621 | u16 r25; | |
622 | u16 r61; | |
623 | u16 r17_sens; | |
624 | u8 r17; | |
625 | u8 up_bound; | |
626 | u8 low_bound; | |
627 | ||
628 | /* | |
629 | * Determine the BBP tuning threshold and correctly | |
630 | * set BBP 24, 25 and 61. | |
631 | */ | |
632 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &bbp_thresh); | |
633 | bbp_thresh = rt2x00_get_field16(bbp_thresh, EEPROM_BBPTUNE_THRESHOLD); | |
634 | ||
635 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &r24); | |
636 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &r25); | |
637 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &r61); | |
638 | ||
639 | if ((rssi + bbp_thresh) > 0) { | |
640 | r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_HIGH); | |
641 | r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_HIGH); | |
642 | r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_HIGH); | |
643 | } else { | |
644 | r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_LOW); | |
645 | r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_LOW); | |
646 | r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_LOW); | |
647 | } | |
648 | ||
649 | rt2500usb_bbp_write(rt2x00dev, 24, r24); | |
650 | rt2500usb_bbp_write(rt2x00dev, 25, r25); | |
651 | rt2500usb_bbp_write(rt2x00dev, 61, r61); | |
652 | ||
653 | /* | |
654 | * Read current r17 value, as well as the sensitivity values | |
655 | * for the r17 register. | |
656 | */ | |
657 | rt2500usb_bbp_read(rt2x00dev, 17, &r17); | |
658 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens); | |
659 | ||
660 | /* | |
661 | * A too low RSSI will cause too much false CCA which will | |
662 | * then corrupt the R17 tuning. To remidy this the tuning should | |
663 | * be stopped (While making sure the R17 value will not exceed limits) | |
664 | */ | |
665 | if (rssi >= -40) { | |
666 | if (r17 != 0x60) | |
667 | rt2500usb_bbp_write(rt2x00dev, 17, 0x60); | |
668 | return; | |
669 | } | |
670 | ||
671 | /* | |
672 | * Special big-R17 for short distance | |
673 | */ | |
674 | if (rssi >= -58) { | |
675 | sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_LOW); | |
676 | if (r17 != sens) | |
677 | rt2500usb_bbp_write(rt2x00dev, 17, sens); | |
678 | return; | |
679 | } | |
680 | ||
681 | /* | |
682 | * Special mid-R17 for middle distance | |
683 | */ | |
684 | if (rssi >= -74) { | |
685 | sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_HIGH); | |
686 | if (r17 != sens) | |
687 | rt2500usb_bbp_write(rt2x00dev, 17, sens); | |
688 | return; | |
689 | } | |
690 | ||
691 | /* | |
692 | * Leave short or middle distance condition, restore r17 | |
693 | * to the dynamic tuning range. | |
694 | */ | |
695 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound); | |
696 | vgc_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER); | |
697 | ||
698 | low_bound = 0x32; | |
699 | if (rssi >= -77) | |
700 | up_bound = vgc_bound; | |
701 | else | |
702 | up_bound = vgc_bound - (-77 - rssi); | |
703 | ||
704 | if (up_bound < low_bound) | |
705 | up_bound = low_bound; | |
706 | ||
707 | if (r17 > up_bound) { | |
708 | rt2500usb_bbp_write(rt2x00dev, 17, up_bound); | |
709 | rt2x00dev->link.vgc_level = up_bound; | |
ebcf26da | 710 | } else if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) { |
95ea3627 ID |
711 | rt2500usb_bbp_write(rt2x00dev, 17, ++r17); |
712 | rt2x00dev->link.vgc_level = r17; | |
ebcf26da | 713 | } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) { |
95ea3627 ID |
714 | rt2500usb_bbp_write(rt2x00dev, 17, --r17); |
715 | rt2x00dev->link.vgc_level = r17; | |
716 | } | |
717 | } | |
718 | ||
719 | /* | |
720 | * Initialization functions. | |
721 | */ | |
722 | static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev) | |
723 | { | |
724 | u16 reg; | |
725 | ||
726 | rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001, | |
727 | USB_MODE_TEST, REGISTER_TIMEOUT); | |
728 | rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308, | |
729 | 0x00f0, REGISTER_TIMEOUT); | |
730 | ||
731 | rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); | |
732 | rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, 1); | |
733 | rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); | |
734 | ||
735 | rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111); | |
736 | rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11); | |
737 | ||
738 | rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); | |
739 | rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 1); | |
740 | rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 1); | |
741 | rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0); | |
742 | rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); | |
743 | ||
744 | rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); | |
745 | rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 0); | |
746 | rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 0); | |
747 | rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0); | |
748 | rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); | |
749 | ||
750 | rt2500usb_register_read(rt2x00dev, TXRX_CSR5, ®); | |
751 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID0, 13); | |
752 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID0_VALID, 1); | |
753 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID1, 12); | |
754 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID1_VALID, 1); | |
755 | rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg); | |
756 | ||
757 | rt2500usb_register_read(rt2x00dev, TXRX_CSR6, ®); | |
758 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID0, 10); | |
759 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID0_VALID, 1); | |
760 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID1, 11); | |
761 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID1_VALID, 1); | |
762 | rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg); | |
763 | ||
764 | rt2500usb_register_read(rt2x00dev, TXRX_CSR7, ®); | |
765 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID0, 7); | |
766 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID0_VALID, 1); | |
767 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID1, 6); | |
768 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID1_VALID, 1); | |
769 | rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg); | |
770 | ||
771 | rt2500usb_register_read(rt2x00dev, TXRX_CSR8, ®); | |
772 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID0, 5); | |
773 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID0_VALID, 1); | |
774 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID1, 0); | |
775 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID1_VALID, 0); | |
776 | rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg); | |
777 | ||
778 | rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f); | |
779 | rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d); | |
780 | ||
781 | if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE)) | |
782 | return -EBUSY; | |
783 | ||
784 | rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); | |
785 | rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 0); | |
786 | rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 0); | |
787 | rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 1); | |
788 | rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); | |
789 | ||
755a957d | 790 | if (rt2x00_rev(&rt2x00dev->chip) >= RT2570_VERSION_C) { |
95ea3627 | 791 | rt2500usb_register_read(rt2x00dev, PHY_CSR2, ®); |
ddc827f9 | 792 | rt2x00_set_field16(®, PHY_CSR2_LNA, 0); |
95ea3627 | 793 | } else { |
ddc827f9 ID |
794 | reg = 0; |
795 | rt2x00_set_field16(®, PHY_CSR2_LNA, 1); | |
796 | rt2x00_set_field16(®, PHY_CSR2_LNA_MODE, 3); | |
95ea3627 ID |
797 | } |
798 | rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg); | |
799 | ||
800 | rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002); | |
801 | rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053); | |
802 | rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee); | |
803 | rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000); | |
804 | ||
805 | rt2500usb_register_read(rt2x00dev, MAC_CSR8, ®); | |
806 | rt2x00_set_field16(®, MAC_CSR8_MAX_FRAME_UNIT, | |
807 | rt2x00dev->rx->data_size); | |
808 | rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg); | |
809 | ||
810 | rt2500usb_register_read(rt2x00dev, TXRX_CSR0, ®); | |
811 | rt2x00_set_field16(®, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER); | |
812 | rt2x00_set_field16(®, TXRX_CSR0_KEY_ID, 0xff); | |
813 | rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg); | |
814 | ||
815 | rt2500usb_register_read(rt2x00dev, MAC_CSR18, ®); | |
816 | rt2x00_set_field16(®, MAC_CSR18_DELAY_AFTER_BEACON, 90); | |
817 | rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg); | |
818 | ||
819 | rt2500usb_register_read(rt2x00dev, PHY_CSR4, ®); | |
820 | rt2x00_set_field16(®, PHY_CSR4_LOW_RF_LE, 1); | |
821 | rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg); | |
822 | ||
823 | rt2500usb_register_read(rt2x00dev, TXRX_CSR1, ®); | |
824 | rt2x00_set_field16(®, TXRX_CSR1_AUTO_SEQUENCE, 1); | |
825 | rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg); | |
826 | ||
827 | return 0; | |
828 | } | |
829 | ||
830 | static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev) | |
831 | { | |
832 | unsigned int i; | |
833 | u16 eeprom; | |
834 | u8 value; | |
835 | u8 reg_id; | |
836 | ||
837 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
838 | rt2500usb_bbp_read(rt2x00dev, 0, &value); | |
839 | if ((value != 0xff) && (value != 0x00)) | |
840 | goto continue_csr_init; | |
841 | NOTICE(rt2x00dev, "Waiting for BBP register.\n"); | |
842 | udelay(REGISTER_BUSY_DELAY); | |
843 | } | |
844 | ||
845 | ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); | |
846 | return -EACCES; | |
847 | ||
848 | continue_csr_init: | |
849 | rt2500usb_bbp_write(rt2x00dev, 3, 0x02); | |
850 | rt2500usb_bbp_write(rt2x00dev, 4, 0x19); | |
851 | rt2500usb_bbp_write(rt2x00dev, 14, 0x1c); | |
852 | rt2500usb_bbp_write(rt2x00dev, 15, 0x30); | |
853 | rt2500usb_bbp_write(rt2x00dev, 16, 0xac); | |
854 | rt2500usb_bbp_write(rt2x00dev, 18, 0x18); | |
855 | rt2500usb_bbp_write(rt2x00dev, 19, 0xff); | |
856 | rt2500usb_bbp_write(rt2x00dev, 20, 0x1e); | |
857 | rt2500usb_bbp_write(rt2x00dev, 21, 0x08); | |
858 | rt2500usb_bbp_write(rt2x00dev, 22, 0x08); | |
859 | rt2500usb_bbp_write(rt2x00dev, 23, 0x08); | |
860 | rt2500usb_bbp_write(rt2x00dev, 24, 0x80); | |
861 | rt2500usb_bbp_write(rt2x00dev, 25, 0x50); | |
862 | rt2500usb_bbp_write(rt2x00dev, 26, 0x08); | |
863 | rt2500usb_bbp_write(rt2x00dev, 27, 0x23); | |
864 | rt2500usb_bbp_write(rt2x00dev, 30, 0x10); | |
865 | rt2500usb_bbp_write(rt2x00dev, 31, 0x2b); | |
866 | rt2500usb_bbp_write(rt2x00dev, 32, 0xb9); | |
867 | rt2500usb_bbp_write(rt2x00dev, 34, 0x12); | |
868 | rt2500usb_bbp_write(rt2x00dev, 35, 0x50); | |
869 | rt2500usb_bbp_write(rt2x00dev, 39, 0xc4); | |
870 | rt2500usb_bbp_write(rt2x00dev, 40, 0x02); | |
871 | rt2500usb_bbp_write(rt2x00dev, 41, 0x60); | |
872 | rt2500usb_bbp_write(rt2x00dev, 53, 0x10); | |
873 | rt2500usb_bbp_write(rt2x00dev, 54, 0x18); | |
874 | rt2500usb_bbp_write(rt2x00dev, 56, 0x08); | |
875 | rt2500usb_bbp_write(rt2x00dev, 57, 0x10); | |
876 | rt2500usb_bbp_write(rt2x00dev, 58, 0x08); | |
877 | rt2500usb_bbp_write(rt2x00dev, 61, 0x60); | |
878 | rt2500usb_bbp_write(rt2x00dev, 62, 0x10); | |
879 | rt2500usb_bbp_write(rt2x00dev, 75, 0xff); | |
880 | ||
881 | DEBUG(rt2x00dev, "Start initialization from EEPROM...\n"); | |
882 | for (i = 0; i < EEPROM_BBP_SIZE; i++) { | |
883 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom); | |
884 | ||
885 | if (eeprom != 0xffff && eeprom != 0x0000) { | |
886 | reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID); | |
887 | value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE); | |
888 | DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n", | |
889 | reg_id, value); | |
890 | rt2500usb_bbp_write(rt2x00dev, reg_id, value); | |
891 | } | |
892 | } | |
893 | DEBUG(rt2x00dev, "...End initialization from EEPROM.\n"); | |
894 | ||
895 | return 0; | |
896 | } | |
897 | ||
898 | /* | |
899 | * Device state switch handlers. | |
900 | */ | |
901 | static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev, | |
902 | enum dev_state state) | |
903 | { | |
904 | u16 reg; | |
905 | ||
906 | rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); | |
907 | rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, | |
908 | state == STATE_RADIO_RX_OFF); | |
909 | rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); | |
910 | } | |
911 | ||
912 | static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev) | |
913 | { | |
914 | /* | |
915 | * Initialize all registers. | |
916 | */ | |
917 | if (rt2500usb_init_registers(rt2x00dev) || | |
918 | rt2500usb_init_bbp(rt2x00dev)) { | |
919 | ERROR(rt2x00dev, "Register initialization failed.\n"); | |
920 | return -EIO; | |
921 | } | |
922 | ||
95ea3627 ID |
923 | /* |
924 | * Enable LED | |
925 | */ | |
926 | rt2500usb_enable_led(rt2x00dev); | |
927 | ||
928 | return 0; | |
929 | } | |
930 | ||
931 | static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev) | |
932 | { | |
933 | /* | |
934 | * Disable LED | |
935 | */ | |
936 | rt2500usb_disable_led(rt2x00dev); | |
937 | ||
938 | rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121); | |
939 | rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121); | |
940 | ||
941 | /* | |
942 | * Disable synchronisation. | |
943 | */ | |
944 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); | |
945 | ||
946 | rt2x00usb_disable_radio(rt2x00dev); | |
947 | } | |
948 | ||
949 | static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev, | |
950 | enum dev_state state) | |
951 | { | |
952 | u16 reg; | |
953 | u16 reg2; | |
954 | unsigned int i; | |
955 | char put_to_sleep; | |
956 | char bbp_state; | |
957 | char rf_state; | |
958 | ||
959 | put_to_sleep = (state != STATE_AWAKE); | |
960 | ||
961 | reg = 0; | |
962 | rt2x00_set_field16(®, MAC_CSR17_BBP_DESIRE_STATE, state); | |
963 | rt2x00_set_field16(®, MAC_CSR17_RF_DESIRE_STATE, state); | |
964 | rt2x00_set_field16(®, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep); | |
965 | rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); | |
966 | rt2x00_set_field16(®, MAC_CSR17_SET_STATE, 1); | |
967 | rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); | |
968 | ||
969 | /* | |
970 | * Device is not guaranteed to be in the requested state yet. | |
971 | * We must wait until the register indicates that the | |
972 | * device has entered the correct state. | |
973 | */ | |
974 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
975 | rt2500usb_register_read(rt2x00dev, MAC_CSR17, ®2); | |
976 | bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE); | |
977 | rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE); | |
978 | if (bbp_state == state && rf_state == state) | |
979 | return 0; | |
980 | rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); | |
981 | msleep(30); | |
982 | } | |
983 | ||
984 | NOTICE(rt2x00dev, "Device failed to enter state %d, " | |
985 | "current device state: bbp %d and rf %d.\n", | |
986 | state, bbp_state, rf_state); | |
987 | ||
988 | return -EBUSY; | |
989 | } | |
990 | ||
991 | static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev, | |
992 | enum dev_state state) | |
993 | { | |
994 | int retval = 0; | |
995 | ||
996 | switch (state) { | |
997 | case STATE_RADIO_ON: | |
998 | retval = rt2500usb_enable_radio(rt2x00dev); | |
999 | break; | |
1000 | case STATE_RADIO_OFF: | |
1001 | rt2500usb_disable_radio(rt2x00dev); | |
1002 | break; | |
1003 | case STATE_RADIO_RX_ON: | |
1004 | case STATE_RADIO_RX_OFF: | |
1005 | rt2500usb_toggle_rx(rt2x00dev, state); | |
1006 | break; | |
1007 | case STATE_DEEP_SLEEP: | |
1008 | case STATE_SLEEP: | |
1009 | case STATE_STANDBY: | |
1010 | case STATE_AWAKE: | |
1011 | retval = rt2500usb_set_state(rt2x00dev, state); | |
1012 | break; | |
1013 | default: | |
1014 | retval = -ENOTSUPP; | |
1015 | break; | |
1016 | } | |
1017 | ||
1018 | return retval; | |
1019 | } | |
1020 | ||
1021 | /* | |
1022 | * TX descriptor initialization | |
1023 | */ | |
1024 | static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, | |
dd3193e1 | 1025 | struct sk_buff *skb, |
4150c572 | 1026 | struct txdata_entry_desc *desc, |
95ea3627 ID |
1027 | struct ieee80211_tx_control *control) |
1028 | { | |
dd3193e1 ID |
1029 | struct skb_desc *skbdesc = get_skb_desc(skb); |
1030 | __le32 *txd = skbdesc->desc; | |
95ea3627 ID |
1031 | u32 word; |
1032 | ||
1033 | /* | |
1034 | * Start writing the descriptor words. | |
1035 | */ | |
1036 | rt2x00_desc_read(txd, 1, &word); | |
1037 | rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER); | |
1038 | rt2x00_set_field32(&word, TXD_W1_AIFS, desc->aifs); | |
1039 | rt2x00_set_field32(&word, TXD_W1_CWMIN, desc->cw_min); | |
1040 | rt2x00_set_field32(&word, TXD_W1_CWMAX, desc->cw_max); | |
1041 | rt2x00_desc_write(txd, 1, word); | |
1042 | ||
1043 | rt2x00_desc_read(txd, 2, &word); | |
1044 | rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, desc->signal); | |
1045 | rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, desc->service); | |
1046 | rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, desc->length_low); | |
1047 | rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, desc->length_high); | |
1048 | rt2x00_desc_write(txd, 2, word); | |
1049 | ||
1050 | rt2x00_desc_read(txd, 0, &word); | |
1051 | rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, control->retry_limit); | |
1052 | rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, | |
1053 | test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags)); | |
1054 | rt2x00_set_field32(&word, TXD_W0_ACK, | |
2700f8b0 | 1055 | test_bit(ENTRY_TXD_ACK, &desc->flags)); |
95ea3627 ID |
1056 | rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, |
1057 | test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags)); | |
1058 | rt2x00_set_field32(&word, TXD_W0_OFDM, | |
1059 | test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags)); | |
1060 | rt2x00_set_field32(&word, TXD_W0_NEW_SEQ, | |
1061 | !!(control->flags & IEEE80211_TXCTL_FIRST_FRAGMENT)); | |
1062 | rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs); | |
dd3193e1 | 1063 | rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len); |
95ea3627 ID |
1064 | rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE); |
1065 | rt2x00_desc_write(txd, 0, word); | |
1066 | } | |
1067 | ||
dd9fa2d2 | 1068 | static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev, |
b242e891 | 1069 | struct sk_buff *skb) |
dd9fa2d2 ID |
1070 | { |
1071 | int length; | |
1072 | ||
1073 | /* | |
1074 | * The length _must_ be a multiple of 2, | |
1075 | * but it must _not_ be a multiple of the USB packet size. | |
1076 | */ | |
1077 | length = roundup(skb->len, 2); | |
b242e891 | 1078 | length += (2 * !(length % rt2x00dev->usb_maxpacket)); |
dd9fa2d2 ID |
1079 | |
1080 | return length; | |
1081 | } | |
1082 | ||
95ea3627 ID |
1083 | /* |
1084 | * TX data initialization | |
1085 | */ | |
1086 | static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, | |
1087 | unsigned int queue) | |
1088 | { | |
1089 | u16 reg; | |
1090 | ||
1091 | if (queue != IEEE80211_TX_QUEUE_BEACON) | |
1092 | return; | |
1093 | ||
1094 | rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); | |
1095 | if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) { | |
1096 | rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1); | |
1097 | /* | |
1098 | * Beacon generation will fail initially. | |
1099 | * To prevent this we need to register the TXRX_CSR19 | |
1100 | * register several times. | |
1101 | */ | |
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 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); | |
1106 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); | |
1107 | } | |
1108 | } | |
1109 | ||
1110 | /* | |
1111 | * RX control handlers | |
1112 | */ | |
4150c572 JB |
1113 | static void rt2500usb_fill_rxdone(struct data_entry *entry, |
1114 | struct rxdata_entry_desc *desc) | |
95ea3627 | 1115 | { |
7d1de806 | 1116 | struct skb_desc *skbdesc = get_skb_desc(entry->skb); |
95ea3627 | 1117 | struct urb *urb = entry->priv; |
4bd7c452 ID |
1118 | __le32 *rxd = (__le32 *)(entry->skb->data + |
1119 | (urb->actual_length - entry->ring->desc_size)); | |
95ea3627 ID |
1120 | u32 word0; |
1121 | u32 word1; | |
1122 | ||
1123 | rt2x00_desc_read(rxd, 0, &word0); | |
1124 | rt2x00_desc_read(rxd, 1, &word1); | |
1125 | ||
4150c572 JB |
1126 | desc->flags = 0; |
1127 | if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) | |
1128 | desc->flags |= RX_FLAG_FAILED_FCS_CRC; | |
1129 | if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR)) | |
1130 | desc->flags |= RX_FLAG_FAILED_PLCP_CRC; | |
95ea3627 ID |
1131 | |
1132 | /* | |
1133 | * Obtain the status about this packet. | |
1134 | */ | |
4150c572 JB |
1135 | desc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL); |
1136 | desc->rssi = rt2x00_get_field32(word1, RXD_W1_RSSI) - | |
95ea3627 | 1137 | entry->ring->rt2x00dev->rssi_offset; |
4150c572 JB |
1138 | desc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM); |
1139 | desc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); | |
7e56d38d | 1140 | desc->my_bss = !!rt2x00_get_field32(word0, RXD_W0_MY_BSS); |
7d1de806 | 1141 | |
7d1de806 ID |
1142 | /* |
1143 | * Set descriptor and data pointer. | |
1144 | */ | |
40561b84 ID |
1145 | skbdesc->desc = entry->skb->data + desc->size; |
1146 | skbdesc->desc_len = entry->ring->desc_size; | |
7d1de806 | 1147 | skbdesc->data = entry->skb->data; |
40561b84 | 1148 | skbdesc->data_len = desc->size; |
95ea3627 ID |
1149 | } |
1150 | ||
1151 | /* | |
1152 | * Interrupt functions. | |
1153 | */ | |
1154 | static void rt2500usb_beacondone(struct urb *urb) | |
1155 | { | |
1156 | struct data_entry *entry = (struct data_entry *)urb->context; | |
1157 | struct data_ring *ring = entry->ring; | |
1158 | ||
1159 | if (!test_bit(DEVICE_ENABLED_RADIO, &ring->rt2x00dev->flags)) | |
1160 | return; | |
1161 | ||
1162 | /* | |
1163 | * Check if this was the guardian beacon, | |
1164 | * if that was the case we need to send the real beacon now. | |
1165 | * Otherwise we should free the sk_buffer, the device | |
1166 | * should be doing the rest of the work now. | |
1167 | */ | |
1168 | if (ring->index == 1) { | |
1169 | rt2x00_ring_index_done_inc(ring); | |
1170 | entry = rt2x00_get_data_entry(ring); | |
1171 | usb_submit_urb(entry->priv, GFP_ATOMIC); | |
1172 | rt2x00_ring_index_inc(ring); | |
1173 | } else if (ring->index_done == 1) { | |
1174 | entry = rt2x00_get_data_entry_done(ring); | |
1175 | if (entry->skb) { | |
1176 | dev_kfree_skb(entry->skb); | |
1177 | entry->skb = NULL; | |
1178 | } | |
1179 | rt2x00_ring_index_done_inc(ring); | |
1180 | } | |
1181 | } | |
1182 | ||
1183 | /* | |
1184 | * Device probe functions. | |
1185 | */ | |
1186 | static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev) | |
1187 | { | |
1188 | u16 word; | |
1189 | u8 *mac; | |
1190 | ||
1191 | rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE); | |
1192 | ||
1193 | /* | |
1194 | * Start validation of the data that has been read. | |
1195 | */ | |
1196 | mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); | |
1197 | if (!is_valid_ether_addr(mac)) { | |
0795af57 JP |
1198 | DECLARE_MAC_BUF(macbuf); |
1199 | ||
95ea3627 | 1200 | random_ether_addr(mac); |
0795af57 | 1201 | EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac)); |
95ea3627 ID |
1202 | } |
1203 | ||
1204 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); | |
1205 | if (word == 0xffff) { | |
1206 | rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2); | |
362f3b6b ID |
1207 | rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, |
1208 | ANTENNA_SW_DIVERSITY); | |
1209 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, | |
1210 | ANTENNA_SW_DIVERSITY); | |
1211 | rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE, | |
1212 | LED_MODE_DEFAULT); | |
95ea3627 ID |
1213 | rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0); |
1214 | rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0); | |
1215 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522); | |
1216 | rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); | |
1217 | EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word); | |
1218 | } | |
1219 | ||
1220 | rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word); | |
1221 | if (word == 0xffff) { | |
1222 | rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0); | |
1223 | rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0); | |
1224 | rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0); | |
1225 | rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word); | |
1226 | EEPROM(rt2x00dev, "NIC: 0x%04x\n", word); | |
1227 | } | |
1228 | ||
1229 | rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word); | |
1230 | if (word == 0xffff) { | |
1231 | rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI, | |
1232 | DEFAULT_RSSI_OFFSET); | |
1233 | rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word); | |
1234 | EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word); | |
1235 | } | |
1236 | ||
1237 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word); | |
1238 | if (word == 0xffff) { | |
1239 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45); | |
1240 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word); | |
1241 | EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word); | |
1242 | } | |
1243 | ||
1244 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word); | |
1245 | if (word == 0xffff) { | |
1246 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40); | |
1247 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word); | |
1248 | EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word); | |
1249 | } | |
1250 | ||
1251 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word); | |
1252 | if (word == 0xffff) { | |
1253 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48); | |
1254 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41); | |
1255 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word); | |
1256 | EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word); | |
1257 | } | |
1258 | ||
1259 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word); | |
1260 | if (word == 0xffff) { | |
1261 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40); | |
1262 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80); | |
1263 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word); | |
1264 | EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word); | |
1265 | } | |
1266 | ||
1267 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word); | |
1268 | if (word == 0xffff) { | |
1269 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40); | |
1270 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50); | |
1271 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word); | |
1272 | EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word); | |
1273 | } | |
1274 | ||
1275 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word); | |
1276 | if (word == 0xffff) { | |
1277 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60); | |
1278 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d); | |
1279 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word); | |
1280 | EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word); | |
1281 | } | |
1282 | ||
1283 | return 0; | |
1284 | } | |
1285 | ||
1286 | static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev) | |
1287 | { | |
1288 | u16 reg; | |
1289 | u16 value; | |
1290 | u16 eeprom; | |
1291 | ||
1292 | /* | |
1293 | * Read EEPROM word for configuration. | |
1294 | */ | |
1295 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom); | |
1296 | ||
1297 | /* | |
1298 | * Identify RF chipset. | |
1299 | */ | |
1300 | value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE); | |
1301 | rt2500usb_register_read(rt2x00dev, MAC_CSR0, ®); | |
1302 | rt2x00_set_chip(rt2x00dev, RT2570, value, reg); | |
1303 | ||
755a957d | 1304 | if (!rt2x00_check_rev(&rt2x00dev->chip, 0)) { |
95ea3627 ID |
1305 | ERROR(rt2x00dev, "Invalid RT chipset detected.\n"); |
1306 | return -ENODEV; | |
1307 | } | |
1308 | ||
1309 | if (!rt2x00_rf(&rt2x00dev->chip, RF2522) && | |
1310 | !rt2x00_rf(&rt2x00dev->chip, RF2523) && | |
1311 | !rt2x00_rf(&rt2x00dev->chip, RF2524) && | |
1312 | !rt2x00_rf(&rt2x00dev->chip, RF2525) && | |
1313 | !rt2x00_rf(&rt2x00dev->chip, RF2525E) && | |
1314 | !rt2x00_rf(&rt2x00dev->chip, RF5222)) { | |
1315 | ERROR(rt2x00dev, "Invalid RF chipset detected.\n"); | |
1316 | return -ENODEV; | |
1317 | } | |
1318 | ||
1319 | /* | |
1320 | * Identify default antenna configuration. | |
1321 | */ | |
addc81bd | 1322 | rt2x00dev->default_ant.tx = |
95ea3627 | 1323 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); |
addc81bd | 1324 | rt2x00dev->default_ant.rx = |
95ea3627 ID |
1325 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT); |
1326 | ||
addc81bd ID |
1327 | /* |
1328 | * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead. | |
1329 | * I am not 100% sure about this, but the legacy drivers do not | |
1330 | * indicate antenna swapping in software is required when | |
1331 | * diversity is enabled. | |
1332 | */ | |
1333 | if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY) | |
1334 | rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; | |
1335 | if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY) | |
1336 | rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; | |
1337 | ||
95ea3627 ID |
1338 | /* |
1339 | * Store led mode, for correct led behaviour. | |
1340 | */ | |
1341 | rt2x00dev->led_mode = | |
1342 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE); | |
1343 | ||
1344 | /* | |
1345 | * Check if the BBP tuning should be disabled. | |
1346 | */ | |
1347 | rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom); | |
1348 | if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE)) | |
1349 | __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags); | |
1350 | ||
1351 | /* | |
1352 | * Read the RSSI <-> dBm offset information. | |
1353 | */ | |
1354 | rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom); | |
1355 | rt2x00dev->rssi_offset = | |
1356 | rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI); | |
1357 | ||
1358 | return 0; | |
1359 | } | |
1360 | ||
1361 | /* | |
1362 | * RF value list for RF2522 | |
1363 | * Supports: 2.4 GHz | |
1364 | */ | |
1365 | static const struct rf_channel rf_vals_bg_2522[] = { | |
1366 | { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 }, | |
1367 | { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 }, | |
1368 | { 3, 0x00002050, 0x000c2002, 0x00000101, 0 }, | |
1369 | { 4, 0x00002050, 0x000c2016, 0x00000101, 0 }, | |
1370 | { 5, 0x00002050, 0x000c202a, 0x00000101, 0 }, | |
1371 | { 6, 0x00002050, 0x000c203e, 0x00000101, 0 }, | |
1372 | { 7, 0x00002050, 0x000c2052, 0x00000101, 0 }, | |
1373 | { 8, 0x00002050, 0x000c2066, 0x00000101, 0 }, | |
1374 | { 9, 0x00002050, 0x000c207a, 0x00000101, 0 }, | |
1375 | { 10, 0x00002050, 0x000c208e, 0x00000101, 0 }, | |
1376 | { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 }, | |
1377 | { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 }, | |
1378 | { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 }, | |
1379 | { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 }, | |
1380 | }; | |
1381 | ||
1382 | /* | |
1383 | * RF value list for RF2523 | |
1384 | * Supports: 2.4 GHz | |
1385 | */ | |
1386 | static const struct rf_channel rf_vals_bg_2523[] = { | |
1387 | { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b }, | |
1388 | { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b }, | |
1389 | { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b }, | |
1390 | { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b }, | |
1391 | { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b }, | |
1392 | { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b }, | |
1393 | { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b }, | |
1394 | { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b }, | |
1395 | { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b }, | |
1396 | { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b }, | |
1397 | { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b }, | |
1398 | { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b }, | |
1399 | { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b }, | |
1400 | { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 }, | |
1401 | }; | |
1402 | ||
1403 | /* | |
1404 | * RF value list for RF2524 | |
1405 | * Supports: 2.4 GHz | |
1406 | */ | |
1407 | static const struct rf_channel rf_vals_bg_2524[] = { | |
1408 | { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b }, | |
1409 | { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b }, | |
1410 | { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b }, | |
1411 | { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b }, | |
1412 | { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b }, | |
1413 | { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b }, | |
1414 | { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b }, | |
1415 | { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b }, | |
1416 | { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b }, | |
1417 | { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b }, | |
1418 | { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b }, | |
1419 | { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b }, | |
1420 | { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b }, | |
1421 | { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 }, | |
1422 | }; | |
1423 | ||
1424 | /* | |
1425 | * RF value list for RF2525 | |
1426 | * Supports: 2.4 GHz | |
1427 | */ | |
1428 | static const struct rf_channel rf_vals_bg_2525[] = { | |
1429 | { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b }, | |
1430 | { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b }, | |
1431 | { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b }, | |
1432 | { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b }, | |
1433 | { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b }, | |
1434 | { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b }, | |
1435 | { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b }, | |
1436 | { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b }, | |
1437 | { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b }, | |
1438 | { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b }, | |
1439 | { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b }, | |
1440 | { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b }, | |
1441 | { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b }, | |
1442 | { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 }, | |
1443 | }; | |
1444 | ||
1445 | /* | |
1446 | * RF value list for RF2525e | |
1447 | * Supports: 2.4 GHz | |
1448 | */ | |
1449 | static const struct rf_channel rf_vals_bg_2525e[] = { | |
1450 | { 1, 0x00022010, 0x0000089a, 0x00060111, 0x00000e1b }, | |
1451 | { 2, 0x00022010, 0x0000089e, 0x00060111, 0x00000e07 }, | |
1452 | { 3, 0x00022010, 0x0000089e, 0x00060111, 0x00000e1b }, | |
1453 | { 4, 0x00022010, 0x000008a2, 0x00060111, 0x00000e07 }, | |
1454 | { 5, 0x00022010, 0x000008a2, 0x00060111, 0x00000e1b }, | |
1455 | { 6, 0x00022010, 0x000008a6, 0x00060111, 0x00000e07 }, | |
1456 | { 7, 0x00022010, 0x000008a6, 0x00060111, 0x00000e1b }, | |
1457 | { 8, 0x00022010, 0x000008aa, 0x00060111, 0x00000e07 }, | |
1458 | { 9, 0x00022010, 0x000008aa, 0x00060111, 0x00000e1b }, | |
1459 | { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 }, | |
1460 | { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b }, | |
1461 | { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 }, | |
1462 | { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b }, | |
1463 | { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 }, | |
1464 | }; | |
1465 | ||
1466 | /* | |
1467 | * RF value list for RF5222 | |
1468 | * Supports: 2.4 GHz & 5.2 GHz | |
1469 | */ | |
1470 | static const struct rf_channel rf_vals_5222[] = { | |
1471 | { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b }, | |
1472 | { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b }, | |
1473 | { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b }, | |
1474 | { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b }, | |
1475 | { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b }, | |
1476 | { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b }, | |
1477 | { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b }, | |
1478 | { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b }, | |
1479 | { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b }, | |
1480 | { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b }, | |
1481 | { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b }, | |
1482 | { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b }, | |
1483 | { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b }, | |
1484 | { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b }, | |
1485 | ||
1486 | /* 802.11 UNI / HyperLan 2 */ | |
1487 | { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f }, | |
1488 | { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f }, | |
1489 | { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f }, | |
1490 | { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f }, | |
1491 | { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f }, | |
1492 | { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f }, | |
1493 | { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f }, | |
1494 | { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f }, | |
1495 | ||
1496 | /* 802.11 HyperLan 2 */ | |
1497 | { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f }, | |
1498 | { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f }, | |
1499 | { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f }, | |
1500 | { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f }, | |
1501 | { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f }, | |
1502 | { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f }, | |
1503 | { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f }, | |
1504 | { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f }, | |
1505 | { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f }, | |
1506 | { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f }, | |
1507 | ||
1508 | /* 802.11 UNII */ | |
1509 | { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f }, | |
1510 | { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 }, | |
1511 | { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 }, | |
1512 | { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 }, | |
1513 | { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 }, | |
1514 | }; | |
1515 | ||
1516 | static void rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) | |
1517 | { | |
1518 | struct hw_mode_spec *spec = &rt2x00dev->spec; | |
1519 | u8 *txpower; | |
1520 | unsigned int i; | |
1521 | ||
1522 | /* | |
1523 | * Initialize all hw fields. | |
1524 | */ | |
1525 | rt2x00dev->hw->flags = | |
1526 | IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | | |
1527 | IEEE80211_HW_RX_INCLUDES_FCS | | |
4150c572 | 1528 | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; |
95ea3627 ID |
1529 | rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE; |
1530 | rt2x00dev->hw->max_signal = MAX_SIGNAL; | |
1531 | rt2x00dev->hw->max_rssi = MAX_RX_SSI; | |
1532 | rt2x00dev->hw->queues = 2; | |
1533 | ||
1534 | SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_usb(rt2x00dev)->dev); | |
1535 | SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, | |
1536 | rt2x00_eeprom_addr(rt2x00dev, | |
1537 | EEPROM_MAC_ADDR_0)); | |
1538 | ||
1539 | /* | |
1540 | * Convert tx_power array in eeprom. | |
1541 | */ | |
1542 | txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START); | |
1543 | for (i = 0; i < 14; i++) | |
1544 | txpower[i] = TXPOWER_FROM_DEV(txpower[i]); | |
1545 | ||
1546 | /* | |
1547 | * Initialize hw_mode information. | |
1548 | */ | |
1549 | spec->num_modes = 2; | |
1550 | spec->num_rates = 12; | |
1551 | spec->tx_power_a = NULL; | |
1552 | spec->tx_power_bg = txpower; | |
1553 | spec->tx_power_default = DEFAULT_TXPOWER; | |
1554 | ||
1555 | if (rt2x00_rf(&rt2x00dev->chip, RF2522)) { | |
1556 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522); | |
1557 | spec->channels = rf_vals_bg_2522; | |
1558 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) { | |
1559 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523); | |
1560 | spec->channels = rf_vals_bg_2523; | |
1561 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) { | |
1562 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524); | |
1563 | spec->channels = rf_vals_bg_2524; | |
1564 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) { | |
1565 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525); | |
1566 | spec->channels = rf_vals_bg_2525; | |
1567 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) { | |
1568 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e); | |
1569 | spec->channels = rf_vals_bg_2525e; | |
1570 | } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) { | |
1571 | spec->num_channels = ARRAY_SIZE(rf_vals_5222); | |
1572 | spec->channels = rf_vals_5222; | |
1573 | spec->num_modes = 3; | |
1574 | } | |
1575 | } | |
1576 | ||
1577 | static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev) | |
1578 | { | |
1579 | int retval; | |
1580 | ||
1581 | /* | |
1582 | * Allocate eeprom data. | |
1583 | */ | |
1584 | retval = rt2500usb_validate_eeprom(rt2x00dev); | |
1585 | if (retval) | |
1586 | return retval; | |
1587 | ||
1588 | retval = rt2500usb_init_eeprom(rt2x00dev); | |
1589 | if (retval) | |
1590 | return retval; | |
1591 | ||
1592 | /* | |
1593 | * Initialize hw specifications. | |
1594 | */ | |
1595 | rt2500usb_probe_hw_mode(rt2x00dev); | |
1596 | ||
1597 | /* | |
4150c572 | 1598 | * This device requires the beacon ring |
95ea3627 | 1599 | */ |
066cb637 | 1600 | __set_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags); |
95ea3627 ID |
1601 | |
1602 | /* | |
1603 | * Set the rssi offset. | |
1604 | */ | |
1605 | rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; | |
1606 | ||
1607 | return 0; | |
1608 | } | |
1609 | ||
1610 | /* | |
1611 | * IEEE80211 stack callback functions. | |
1612 | */ | |
4150c572 JB |
1613 | static void rt2500usb_configure_filter(struct ieee80211_hw *hw, |
1614 | unsigned int changed_flags, | |
1615 | unsigned int *total_flags, | |
1616 | int mc_count, | |
1617 | struct dev_addr_list *mc_list) | |
1618 | { | |
1619 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
4150c572 JB |
1620 | u16 reg; |
1621 | ||
1622 | /* | |
1623 | * Mask off any flags we are going to ignore from | |
1624 | * the total_flags field. | |
1625 | */ | |
1626 | *total_flags &= | |
1627 | FIF_ALLMULTI | | |
1628 | FIF_FCSFAIL | | |
1629 | FIF_PLCPFAIL | | |
1630 | FIF_CONTROL | | |
1631 | FIF_OTHER_BSS | | |
1632 | FIF_PROMISC_IN_BSS; | |
1633 | ||
1634 | /* | |
1635 | * Apply some rules to the filters: | |
1636 | * - Some filters imply different filters to be set. | |
1637 | * - Some things we can't filter out at all. | |
4150c572 JB |
1638 | */ |
1639 | if (mc_count) | |
1640 | *total_flags |= FIF_ALLMULTI; | |
5886d0db ID |
1641 | if (*total_flags & FIF_OTHER_BSS || |
1642 | *total_flags & FIF_PROMISC_IN_BSS) | |
4150c572 | 1643 | *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS; |
4150c572 JB |
1644 | |
1645 | /* | |
1646 | * Check if there is any work left for us. | |
1647 | */ | |
3c4f2085 | 1648 | if (rt2x00dev->packet_filter == *total_flags) |
4150c572 | 1649 | return; |
3c4f2085 | 1650 | rt2x00dev->packet_filter = *total_flags; |
4150c572 JB |
1651 | |
1652 | /* | |
1653 | * When in atomic context, reschedule and let rt2x00lib | |
1654 | * call this function again. | |
1655 | */ | |
1656 | if (in_atomic()) { | |
1657 | queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->filter_work); | |
1658 | return; | |
1659 | } | |
1660 | ||
1661 | /* | |
1662 | * Start configuration steps. | |
1663 | * Note that the version error will always be dropped | |
1664 | * and broadcast frames will always be accepted since | |
1665 | * there is no filter for it at this time. | |
1666 | */ | |
1667 | rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); | |
1668 | rt2x00_set_field16(®, TXRX_CSR2_DROP_CRC, | |
1669 | !(*total_flags & FIF_FCSFAIL)); | |
1670 | rt2x00_set_field16(®, TXRX_CSR2_DROP_PHYSICAL, | |
1671 | !(*total_flags & FIF_PLCPFAIL)); | |
1672 | rt2x00_set_field16(®, TXRX_CSR2_DROP_CONTROL, | |
1673 | !(*total_flags & FIF_CONTROL)); | |
1674 | rt2x00_set_field16(®, TXRX_CSR2_DROP_NOT_TO_ME, | |
1675 | !(*total_flags & FIF_PROMISC_IN_BSS)); | |
1676 | rt2x00_set_field16(®, TXRX_CSR2_DROP_TODS, | |
1677 | !(*total_flags & FIF_PROMISC_IN_BSS)); | |
1678 | rt2x00_set_field16(®, TXRX_CSR2_DROP_VERSION_ERROR, 1); | |
1679 | rt2x00_set_field16(®, TXRX_CSR2_DROP_MULTICAST, | |
1680 | !(*total_flags & FIF_ALLMULTI)); | |
1681 | rt2x00_set_field16(®, TXRX_CSR2_DROP_BROADCAST, 0); | |
1682 | rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); | |
1683 | } | |
1684 | ||
95ea3627 ID |
1685 | static int rt2500usb_beacon_update(struct ieee80211_hw *hw, |
1686 | struct sk_buff *skb, | |
1687 | struct ieee80211_tx_control *control) | |
1688 | { | |
1689 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
1690 | struct usb_device *usb_dev = | |
1691 | interface_to_usbdev(rt2x00dev_usb(rt2x00dev)); | |
08992f7f ID |
1692 | struct skb_desc *desc; |
1693 | struct data_ring *ring; | |
95ea3627 ID |
1694 | struct data_entry *beacon; |
1695 | struct data_entry *guardian; | |
dd9fa2d2 | 1696 | int pipe = usb_sndbulkpipe(usb_dev, 1); |
95ea3627 ID |
1697 | int length; |
1698 | ||
1699 | /* | |
1700 | * Just in case the ieee80211 doesn't set this, | |
1701 | * but we need this queue set for the descriptor | |
1702 | * initialization. | |
1703 | */ | |
1704 | control->queue = IEEE80211_TX_QUEUE_BEACON; | |
08992f7f | 1705 | ring = rt2x00lib_get_ring(rt2x00dev, control->queue); |
95ea3627 ID |
1706 | |
1707 | /* | |
1708 | * Obtain 2 entries, one for the guardian byte, | |
1709 | * the second for the actual beacon. | |
1710 | */ | |
1711 | guardian = rt2x00_get_data_entry(ring); | |
1712 | rt2x00_ring_index_inc(ring); | |
1713 | beacon = rt2x00_get_data_entry(ring); | |
1714 | ||
1715 | /* | |
08992f7f | 1716 | * Add the descriptor in front of the skb. |
95ea3627 ID |
1717 | */ |
1718 | skb_push(skb, ring->desc_size); | |
c22eb87b ID |
1719 | memset(skb->data, 0, ring->desc_size); |
1720 | ||
08992f7f ID |
1721 | /* |
1722 | * Fill in skb descriptor | |
1723 | */ | |
1724 | desc = get_skb_desc(skb); | |
1725 | desc->desc_len = ring->desc_size; | |
1726 | desc->data_len = skb->len - ring->desc_size; | |
1727 | desc->desc = skb->data; | |
1728 | desc->data = skb->data + ring->desc_size; | |
1729 | desc->ring = ring; | |
1730 | desc->entry = beacon; | |
1731 | ||
1732 | rt2x00lib_write_tx_desc(rt2x00dev, skb, control); | |
95ea3627 | 1733 | |
08992f7f ID |
1734 | /* |
1735 | * USB devices cannot blindly pass the skb->len as the | |
1736 | * length of the data to usb_fill_bulk_urb. Pass the skb | |
1737 | * to the driver to determine what the length should be. | |
1738 | */ | |
b242e891 | 1739 | length = rt2500usb_get_tx_data_len(rt2x00dev, skb); |
95ea3627 | 1740 | |
dd9fa2d2 | 1741 | usb_fill_bulk_urb(beacon->priv, usb_dev, pipe, |
95ea3627 ID |
1742 | skb->data, length, rt2500usb_beacondone, beacon); |
1743 | ||
95ea3627 ID |
1744 | /* |
1745 | * Second we need to create the guardian byte. | |
1746 | * We only need a single byte, so lets recycle | |
1747 | * the 'flags' field we are not using for beacons. | |
1748 | */ | |
1749 | guardian->flags = 0; | |
dd9fa2d2 | 1750 | usb_fill_bulk_urb(guardian->priv, usb_dev, pipe, |
95ea3627 ID |
1751 | &guardian->flags, 1, rt2500usb_beacondone, guardian); |
1752 | ||
1753 | /* | |
1754 | * Send out the guardian byte. | |
1755 | */ | |
1756 | usb_submit_urb(guardian->priv, GFP_ATOMIC); | |
1757 | ||
1758 | /* | |
1759 | * Enable beacon generation. | |
1760 | */ | |
1761 | rt2500usb_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON); | |
1762 | ||
1763 | return 0; | |
1764 | } | |
1765 | ||
1766 | static const struct ieee80211_ops rt2500usb_mac80211_ops = { | |
1767 | .tx = rt2x00mac_tx, | |
4150c572 JB |
1768 | .start = rt2x00mac_start, |
1769 | .stop = rt2x00mac_stop, | |
95ea3627 ID |
1770 | .add_interface = rt2x00mac_add_interface, |
1771 | .remove_interface = rt2x00mac_remove_interface, | |
1772 | .config = rt2x00mac_config, | |
1773 | .config_interface = rt2x00mac_config_interface, | |
4150c572 | 1774 | .configure_filter = rt2500usb_configure_filter, |
95ea3627 | 1775 | .get_stats = rt2x00mac_get_stats, |
471b3efd | 1776 | .bss_info_changed = rt2x00mac_bss_info_changed, |
95ea3627 ID |
1777 | .conf_tx = rt2x00mac_conf_tx, |
1778 | .get_tx_stats = rt2x00mac_get_tx_stats, | |
1779 | .beacon_update = rt2500usb_beacon_update, | |
1780 | }; | |
1781 | ||
1782 | static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = { | |
1783 | .probe_hw = rt2500usb_probe_hw, | |
1784 | .initialize = rt2x00usb_initialize, | |
1785 | .uninitialize = rt2x00usb_uninitialize, | |
837e7f24 ID |
1786 | .init_rxentry = rt2x00usb_init_rxentry, |
1787 | .init_txentry = rt2x00usb_init_txentry, | |
95ea3627 ID |
1788 | .set_device_state = rt2500usb_set_device_state, |
1789 | .link_stats = rt2500usb_link_stats, | |
1790 | .reset_tuner = rt2500usb_reset_tuner, | |
1791 | .link_tuner = rt2500usb_link_tuner, | |
1792 | .write_tx_desc = rt2500usb_write_tx_desc, | |
1793 | .write_tx_data = rt2x00usb_write_tx_data, | |
dd9fa2d2 | 1794 | .get_tx_data_len = rt2500usb_get_tx_data_len, |
95ea3627 ID |
1795 | .kick_tx_queue = rt2500usb_kick_tx_queue, |
1796 | .fill_rxdone = rt2500usb_fill_rxdone, | |
1797 | .config_mac_addr = rt2500usb_config_mac_addr, | |
1798 | .config_bssid = rt2500usb_config_bssid, | |
95ea3627 | 1799 | .config_type = rt2500usb_config_type, |
5c58ee51 | 1800 | .config_preamble = rt2500usb_config_preamble, |
95ea3627 ID |
1801 | .config = rt2500usb_config, |
1802 | }; | |
1803 | ||
1804 | static const struct rt2x00_ops rt2500usb_ops = { | |
2360157c | 1805 | .name = KBUILD_MODNAME, |
95ea3627 ID |
1806 | .rxd_size = RXD_DESC_SIZE, |
1807 | .txd_size = TXD_DESC_SIZE, | |
1808 | .eeprom_size = EEPROM_SIZE, | |
1809 | .rf_size = RF_SIZE, | |
1810 | .lib = &rt2500usb_rt2x00_ops, | |
1811 | .hw = &rt2500usb_mac80211_ops, | |
1812 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS | |
1813 | .debugfs = &rt2500usb_rt2x00debug, | |
1814 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ | |
1815 | }; | |
1816 | ||
1817 | /* | |
1818 | * rt2500usb module information. | |
1819 | */ | |
1820 | static struct usb_device_id rt2500usb_device_table[] = { | |
1821 | /* ASUS */ | |
1822 | { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1823 | { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1824 | /* Belkin */ | |
1825 | { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1826 | { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1827 | { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1828 | /* Cisco Systems */ | |
1829 | { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1830 | { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1831 | { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1832 | /* Conceptronic */ | |
1833 | { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1834 | /* D-LINK */ | |
1835 | { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1836 | /* Gigabyte */ | |
1837 | { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1838 | { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1839 | /* Hercules */ | |
1840 | { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1841 | /* Melco */ | |
1842 | { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1843 | { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1844 | { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1845 | { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1846 | ||
1847 | /* MSI */ | |
1848 | { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1849 | { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1850 | { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1851 | /* Ralink */ | |
1852 | { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1853 | { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1854 | { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1855 | { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1856 | /* Siemens */ | |
1857 | { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1858 | /* SMC */ | |
1859 | { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1860 | /* Spairon */ | |
1861 | { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1862 | /* Trust */ | |
1863 | { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1864 | /* Zinwell */ | |
1865 | { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1866 | { 0, } | |
1867 | }; | |
1868 | ||
1869 | MODULE_AUTHOR(DRV_PROJECT); | |
1870 | MODULE_VERSION(DRV_VERSION); | |
1871 | MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver."); | |
1872 | MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards"); | |
1873 | MODULE_DEVICE_TABLE(usb, rt2500usb_device_table); | |
1874 | MODULE_LICENSE("GPL"); | |
1875 | ||
1876 | static struct usb_driver rt2500usb_driver = { | |
2360157c | 1877 | .name = KBUILD_MODNAME, |
95ea3627 ID |
1878 | .id_table = rt2500usb_device_table, |
1879 | .probe = rt2x00usb_probe, | |
1880 | .disconnect = rt2x00usb_disconnect, | |
1881 | .suspend = rt2x00usb_suspend, | |
1882 | .resume = rt2x00usb_resume, | |
1883 | }; | |
1884 | ||
1885 | static int __init rt2500usb_init(void) | |
1886 | { | |
1887 | return usb_register(&rt2500usb_driver); | |
1888 | } | |
1889 | ||
1890 | static void __exit rt2500usb_exit(void) | |
1891 | { | |
1892 | usb_deregister(&rt2500usb_driver); | |
1893 | } | |
1894 | ||
1895 | module_init(rt2500usb_init); | |
1896 | module_exit(rt2500usb_exit); |