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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 | ||
27 | /* | |
28 | * Set enviroment defines for rt2x00.h | |
29 | */ | |
30 | #define DRV_NAME "rt2500usb" | |
31 | ||
32 | #include <linux/delay.h> | |
33 | #include <linux/etherdevice.h> | |
34 | #include <linux/init.h> | |
35 | #include <linux/kernel.h> | |
36 | #include <linux/module.h> | |
37 | #include <linux/usb.h> | |
38 | ||
39 | #include "rt2x00.h" | |
40 | #include "rt2x00usb.h" | |
41 | #include "rt2500usb.h" | |
42 | ||
43 | /* | |
44 | * Register access. | |
45 | * All access to the CSR registers will go through the methods | |
46 | * rt2500usb_register_read and rt2500usb_register_write. | |
47 | * BBP and RF register require indirect register access, | |
48 | * and use the CSR registers BBPCSR and RFCSR to achieve this. | |
49 | * These indirect registers work with busy bits, | |
50 | * and we will try maximal REGISTER_BUSY_COUNT times to access | |
51 | * the register while taking a REGISTER_BUSY_DELAY us delay | |
52 | * between each attampt. When the busy bit is still set at that time, | |
53 | * the access attempt is considered to have failed, | |
54 | * and we will print an error. | |
3d82346c AB |
55 | * If the usb_cache_mutex is already held then the _lock variants must |
56 | * be used instead. | |
95ea3627 | 57 | */ |
0e14f6d3 | 58 | static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
59 | const unsigned int offset, |
60 | u16 *value) | |
61 | { | |
62 | __le16 reg; | |
63 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, | |
64 | USB_VENDOR_REQUEST_IN, offset, | |
65 | ®, sizeof(u16), REGISTER_TIMEOUT); | |
66 | *value = le16_to_cpu(reg); | |
67 | } | |
68 | ||
3d82346c AB |
69 | static inline void rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev, |
70 | const unsigned int offset, | |
71 | u16 *value) | |
72 | { | |
73 | __le16 reg; | |
74 | rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ, | |
75 | USB_VENDOR_REQUEST_IN, offset, | |
76 | ®, sizeof(u16), REGISTER_TIMEOUT); | |
77 | *value = le16_to_cpu(reg); | |
78 | } | |
79 | ||
0e14f6d3 | 80 | static inline void rt2500usb_register_multiread(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
81 | const unsigned int offset, |
82 | void *value, const u16 length) | |
83 | { | |
84 | int timeout = REGISTER_TIMEOUT * (length / sizeof(u16)); | |
85 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, | |
86 | USB_VENDOR_REQUEST_IN, offset, | |
87 | value, length, timeout); | |
88 | } | |
89 | ||
0e14f6d3 | 90 | static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
91 | const unsigned int offset, |
92 | u16 value) | |
93 | { | |
94 | __le16 reg = cpu_to_le16(value); | |
95 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, | |
96 | USB_VENDOR_REQUEST_OUT, offset, | |
97 | ®, sizeof(u16), REGISTER_TIMEOUT); | |
98 | } | |
99 | ||
3d82346c AB |
100 | static inline void rt2500usb_register_write_lock(struct rt2x00_dev *rt2x00dev, |
101 | const unsigned int offset, | |
102 | u16 value) | |
103 | { | |
104 | __le16 reg = cpu_to_le16(value); | |
105 | rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE, | |
106 | USB_VENDOR_REQUEST_OUT, offset, | |
107 | ®, sizeof(u16), REGISTER_TIMEOUT); | |
108 | } | |
109 | ||
0e14f6d3 | 110 | static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
111 | const unsigned int offset, |
112 | void *value, const u16 length) | |
113 | { | |
114 | int timeout = REGISTER_TIMEOUT * (length / sizeof(u16)); | |
115 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, | |
116 | USB_VENDOR_REQUEST_OUT, offset, | |
117 | value, length, timeout); | |
118 | } | |
119 | ||
0e14f6d3 | 120 | static u16 rt2500usb_bbp_check(struct rt2x00_dev *rt2x00dev) |
95ea3627 ID |
121 | { |
122 | u16 reg; | |
123 | unsigned int i; | |
124 | ||
125 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
3d82346c | 126 | rt2500usb_register_read_lock(rt2x00dev, PHY_CSR8, ®); |
95ea3627 ID |
127 | if (!rt2x00_get_field16(reg, PHY_CSR8_BUSY)) |
128 | break; | |
129 | udelay(REGISTER_BUSY_DELAY); | |
130 | } | |
131 | ||
132 | return reg; | |
133 | } | |
134 | ||
0e14f6d3 | 135 | static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
136 | const unsigned int word, const u8 value) |
137 | { | |
138 | u16 reg; | |
139 | ||
3d82346c AB |
140 | mutex_lock(&rt2x00dev->usb_cache_mutex); |
141 | ||
95ea3627 ID |
142 | /* |
143 | * Wait until the BBP becomes ready. | |
144 | */ | |
145 | reg = rt2500usb_bbp_check(rt2x00dev); | |
146 | if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) { | |
147 | ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n"); | |
3d82346c | 148 | mutex_unlock(&rt2x00dev->usb_cache_mutex); |
95ea3627 ID |
149 | return; |
150 | } | |
151 | ||
152 | /* | |
153 | * Write the data into the BBP. | |
154 | */ | |
155 | reg = 0; | |
156 | rt2x00_set_field16(®, PHY_CSR7_DATA, value); | |
157 | rt2x00_set_field16(®, PHY_CSR7_REG_ID, word); | |
158 | rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 0); | |
159 | ||
3d82346c AB |
160 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg); |
161 | ||
162 | mutex_unlock(&rt2x00dev->usb_cache_mutex); | |
95ea3627 ID |
163 | } |
164 | ||
0e14f6d3 | 165 | static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
166 | const unsigned int word, u8 *value) |
167 | { | |
168 | u16 reg; | |
169 | ||
3d82346c AB |
170 | mutex_lock(&rt2x00dev->usb_cache_mutex); |
171 | ||
95ea3627 ID |
172 | /* |
173 | * Wait until the BBP becomes ready. | |
174 | */ | |
175 | reg = rt2500usb_bbp_check(rt2x00dev); | |
176 | if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) { | |
177 | ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n"); | |
178 | return; | |
179 | } | |
180 | ||
181 | /* | |
182 | * Write the request into the BBP. | |
183 | */ | |
184 | reg = 0; | |
185 | rt2x00_set_field16(®, PHY_CSR7_REG_ID, word); | |
186 | rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 1); | |
187 | ||
3d82346c | 188 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg); |
95ea3627 ID |
189 | |
190 | /* | |
191 | * Wait until the BBP becomes ready. | |
192 | */ | |
193 | reg = rt2500usb_bbp_check(rt2x00dev); | |
194 | if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) { | |
195 | ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n"); | |
196 | *value = 0xff; | |
3d82346c | 197 | mutex_unlock(&rt2x00dev->usb_cache_mutex); |
95ea3627 ID |
198 | return; |
199 | } | |
200 | ||
3d82346c | 201 | rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, ®); |
95ea3627 | 202 | *value = rt2x00_get_field16(reg, PHY_CSR7_DATA); |
3d82346c AB |
203 | |
204 | mutex_unlock(&rt2x00dev->usb_cache_mutex); | |
95ea3627 ID |
205 | } |
206 | ||
0e14f6d3 | 207 | static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
208 | const unsigned int word, const u32 value) |
209 | { | |
210 | u16 reg; | |
211 | unsigned int i; | |
212 | ||
213 | if (!word) | |
214 | return; | |
215 | ||
3d82346c AB |
216 | mutex_lock(&rt2x00dev->usb_cache_mutex); |
217 | ||
95ea3627 | 218 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { |
3d82346c | 219 | rt2500usb_register_read_lock(rt2x00dev, PHY_CSR10, ®); |
95ea3627 ID |
220 | if (!rt2x00_get_field16(reg, PHY_CSR10_RF_BUSY)) |
221 | goto rf_write; | |
222 | udelay(REGISTER_BUSY_DELAY); | |
223 | } | |
224 | ||
3d82346c | 225 | mutex_unlock(&rt2x00dev->usb_cache_mutex); |
95ea3627 ID |
226 | ERROR(rt2x00dev, "PHY_CSR10 register busy. Write failed.\n"); |
227 | return; | |
228 | ||
229 | rf_write: | |
230 | reg = 0; | |
231 | rt2x00_set_field16(®, PHY_CSR9_RF_VALUE, value); | |
3d82346c | 232 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR9, reg); |
95ea3627 ID |
233 | |
234 | reg = 0; | |
235 | rt2x00_set_field16(®, PHY_CSR10_RF_VALUE, value >> 16); | |
236 | rt2x00_set_field16(®, PHY_CSR10_RF_NUMBER_OF_BITS, 20); | |
237 | rt2x00_set_field16(®, PHY_CSR10_RF_IF_SELECT, 0); | |
238 | rt2x00_set_field16(®, PHY_CSR10_RF_BUSY, 1); | |
239 | ||
3d82346c | 240 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg); |
95ea3627 | 241 | rt2x00_rf_write(rt2x00dev, word, value); |
3d82346c AB |
242 | |
243 | mutex_unlock(&rt2x00dev->usb_cache_mutex); | |
95ea3627 ID |
244 | } |
245 | ||
246 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS | |
247 | #define CSR_OFFSET(__word) ( CSR_REG_BASE + ((__word) * sizeof(u16)) ) | |
248 | ||
0e14f6d3 | 249 | static void rt2500usb_read_csr(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
250 | const unsigned int word, u32 *data) |
251 | { | |
252 | rt2500usb_register_read(rt2x00dev, CSR_OFFSET(word), (u16 *) data); | |
253 | } | |
254 | ||
0e14f6d3 | 255 | static void rt2500usb_write_csr(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
256 | const unsigned int word, u32 data) |
257 | { | |
258 | rt2500usb_register_write(rt2x00dev, CSR_OFFSET(word), data); | |
259 | } | |
260 | ||
261 | static const struct rt2x00debug rt2500usb_rt2x00debug = { | |
262 | .owner = THIS_MODULE, | |
263 | .csr = { | |
264 | .read = rt2500usb_read_csr, | |
265 | .write = rt2500usb_write_csr, | |
266 | .word_size = sizeof(u16), | |
267 | .word_count = CSR_REG_SIZE / sizeof(u16), | |
268 | }, | |
269 | .eeprom = { | |
270 | .read = rt2x00_eeprom_read, | |
271 | .write = rt2x00_eeprom_write, | |
272 | .word_size = sizeof(u16), | |
273 | .word_count = EEPROM_SIZE / sizeof(u16), | |
274 | }, | |
275 | .bbp = { | |
276 | .read = rt2500usb_bbp_read, | |
277 | .write = rt2500usb_bbp_write, | |
278 | .word_size = sizeof(u8), | |
279 | .word_count = BBP_SIZE / sizeof(u8), | |
280 | }, | |
281 | .rf = { | |
282 | .read = rt2x00_rf_read, | |
283 | .write = rt2500usb_rf_write, | |
284 | .word_size = sizeof(u32), | |
285 | .word_count = RF_SIZE / sizeof(u32), | |
286 | }, | |
287 | }; | |
288 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ | |
289 | ||
290 | /* | |
291 | * Configuration handlers. | |
292 | */ | |
4abee4bb ID |
293 | static void rt2500usb_config_mac_addr(struct rt2x00_dev *rt2x00dev, |
294 | __le32 *mac) | |
95ea3627 | 295 | { |
dd87145d | 296 | rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, mac, |
4abee4bb | 297 | (3 * sizeof(__le16))); |
95ea3627 ID |
298 | } |
299 | ||
4abee4bb ID |
300 | static void rt2500usb_config_bssid(struct rt2x00_dev *rt2x00dev, |
301 | __le32 *bssid) | |
95ea3627 | 302 | { |
4abee4bb ID |
303 | rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, bssid, |
304 | (3 * sizeof(__le16))); | |
95ea3627 ID |
305 | } |
306 | ||
feb24691 ID |
307 | static void rt2500usb_config_type(struct rt2x00_dev *rt2x00dev, const int type, |
308 | const int tsf_sync) | |
95ea3627 ID |
309 | { |
310 | u16 reg; | |
311 | ||
312 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); | |
313 | ||
95ea3627 ID |
314 | /* |
315 | * Enable beacon config | |
316 | */ | |
317 | rt2500usb_register_read(rt2x00dev, TXRX_CSR20, ®); | |
318 | rt2x00_set_field16(®, TXRX_CSR20_OFFSET, | |
a137e202 | 319 | (PREAMBLE + get_duration(IEEE80211_HEADER, 20)) >> 6); |
feb24691 | 320 | if (type == IEEE80211_IF_TYPE_STA) |
95ea3627 ID |
321 | rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, 0); |
322 | else | |
323 | rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, 2); | |
324 | rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg); | |
325 | ||
326 | /* | |
327 | * Enable synchronisation. | |
328 | */ | |
329 | rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®); | |
330 | rt2x00_set_field16(®, TXRX_CSR18_OFFSET, 0); | |
331 | rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg); | |
332 | ||
333 | rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); | |
4150c572 JB |
334 | rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); |
335 | rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1); | |
95ea3627 | 336 | rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0); |
feb24691 | 337 | rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, tsf_sync); |
95ea3627 ID |
338 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); |
339 | } | |
340 | ||
5c58ee51 ID |
341 | static void rt2500usb_config_preamble(struct rt2x00_dev *rt2x00dev, |
342 | const int short_preamble, | |
343 | const int ack_timeout, | |
344 | const int ack_consume_time) | |
95ea3627 | 345 | { |
95ea3627 | 346 | u16 reg; |
95ea3627 | 347 | |
5c58ee51 ID |
348 | /* |
349 | * When in atomic context, reschedule and let rt2x00lib | |
350 | * call this function again. | |
351 | */ | |
352 | if (in_atomic()) { | |
353 | queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->config_work); | |
354 | return; | |
355 | } | |
95ea3627 ID |
356 | |
357 | rt2500usb_register_read(rt2x00dev, TXRX_CSR1, ®); | |
5c58ee51 | 358 | rt2x00_set_field16(®, TXRX_CSR1_ACK_TIMEOUT, ack_timeout); |
95ea3627 ID |
359 | rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg); |
360 | ||
361 | rt2500usb_register_read(rt2x00dev, TXRX_CSR10, ®); | |
4f5af6eb | 362 | rt2x00_set_field16(®, TXRX_CSR10_AUTORESPOND_PREAMBLE, |
5c58ee51 | 363 | !!short_preamble); |
95ea3627 ID |
364 | rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg); |
365 | } | |
366 | ||
367 | static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev, | |
5c58ee51 ID |
368 | const int phymode, |
369 | const int basic_rate_mask) | |
95ea3627 | 370 | { |
5c58ee51 | 371 | rt2500usb_register_write(rt2x00dev, TXRX_CSR11, basic_rate_mask); |
95ea3627 | 372 | |
5c58ee51 | 373 | if (phymode == HWMODE_B) { |
95ea3627 ID |
374 | rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x000b); |
375 | rt2500usb_register_write(rt2x00dev, MAC_CSR12, 0x0040); | |
376 | } else { | |
377 | rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0005); | |
378 | rt2500usb_register_write(rt2x00dev, MAC_CSR12, 0x016c); | |
379 | } | |
380 | } | |
381 | ||
382 | static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev, | |
5c58ee51 | 383 | struct rf_channel *rf, const int txpower) |
95ea3627 | 384 | { |
95ea3627 ID |
385 | /* |
386 | * Set TXpower. | |
387 | */ | |
5c58ee51 | 388 | rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); |
95ea3627 ID |
389 | |
390 | /* | |
391 | * For RT2525E we should first set the channel to half band higher. | |
392 | */ | |
393 | if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) { | |
394 | static const u32 vals[] = { | |
395 | 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2, | |
396 | 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba, | |
397 | 0x000008ba, 0x000008be, 0x000008b7, 0x00000902, | |
398 | 0x00000902, 0x00000906 | |
399 | }; | |
400 | ||
5c58ee51 ID |
401 | rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]); |
402 | if (rf->rf4) | |
403 | rt2500usb_rf_write(rt2x00dev, 4, rf->rf4); | |
95ea3627 ID |
404 | } |
405 | ||
5c58ee51 ID |
406 | rt2500usb_rf_write(rt2x00dev, 1, rf->rf1); |
407 | rt2500usb_rf_write(rt2x00dev, 2, rf->rf2); | |
408 | rt2500usb_rf_write(rt2x00dev, 3, rf->rf3); | |
409 | if (rf->rf4) | |
410 | rt2500usb_rf_write(rt2x00dev, 4, rf->rf4); | |
95ea3627 ID |
411 | } |
412 | ||
413 | static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev, | |
414 | const int txpower) | |
415 | { | |
416 | u32 rf3; | |
417 | ||
418 | rt2x00_rf_read(rt2x00dev, 3, &rf3); | |
419 | rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); | |
420 | rt2500usb_rf_write(rt2x00dev, 3, rf3); | |
421 | } | |
422 | ||
423 | static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev, | |
addc81bd | 424 | struct antenna_setup *ant) |
95ea3627 ID |
425 | { |
426 | u8 r2; | |
427 | u8 r14; | |
428 | u16 csr5; | |
429 | u16 csr6; | |
430 | ||
431 | rt2500usb_bbp_read(rt2x00dev, 2, &r2); | |
432 | rt2500usb_bbp_read(rt2x00dev, 14, &r14); | |
433 | rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5); | |
434 | rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6); | |
435 | ||
436 | /* | |
437 | * Configure the TX antenna. | |
438 | */ | |
addc81bd | 439 | switch (ant->tx) { |
95ea3627 ID |
440 | case ANTENNA_HW_DIVERSITY: |
441 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1); | |
442 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1); | |
443 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1); | |
444 | break; | |
445 | case ANTENNA_A: | |
446 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0); | |
447 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0); | |
448 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0); | |
449 | break; | |
39e75857 ID |
450 | case ANTENNA_SW_DIVERSITY: |
451 | /* | |
452 | * NOTE: We should never come here because rt2x00lib is | |
453 | * supposed to catch this and send us the correct antenna | |
454 | * explicitely. However we are nog going to bug about this. | |
455 | * Instead, just default to antenna B. | |
456 | */ | |
95ea3627 ID |
457 | case ANTENNA_B: |
458 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2); | |
459 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2); | |
460 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2); | |
461 | break; | |
462 | } | |
463 | ||
464 | /* | |
465 | * Configure the RX antenna. | |
466 | */ | |
addc81bd | 467 | switch (ant->rx) { |
95ea3627 ID |
468 | case ANTENNA_HW_DIVERSITY: |
469 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1); | |
470 | break; | |
471 | case ANTENNA_A: | |
472 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0); | |
473 | break; | |
39e75857 ID |
474 | case ANTENNA_SW_DIVERSITY: |
475 | /* | |
476 | * NOTE: We should never come here because rt2x00lib is | |
477 | * supposed to catch this and send us the correct antenna | |
478 | * explicitely. However we are nog going to bug about this. | |
479 | * Instead, just default to antenna B. | |
480 | */ | |
95ea3627 ID |
481 | case ANTENNA_B: |
482 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2); | |
483 | break; | |
484 | } | |
485 | ||
486 | /* | |
487 | * RT2525E and RT5222 need to flip TX I/Q | |
488 | */ | |
489 | if (rt2x00_rf(&rt2x00dev->chip, RF2525E) || | |
490 | rt2x00_rf(&rt2x00dev->chip, RF5222)) { | |
491 | rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1); | |
492 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1); | |
493 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1); | |
494 | ||
495 | /* | |
496 | * RT2525E does not need RX I/Q Flip. | |
497 | */ | |
498 | if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) | |
499 | rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0); | |
500 | } else { | |
501 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0); | |
502 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0); | |
503 | } | |
504 | ||
505 | rt2500usb_bbp_write(rt2x00dev, 2, r2); | |
506 | rt2500usb_bbp_write(rt2x00dev, 14, r14); | |
507 | rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5); | |
508 | rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6); | |
509 | } | |
510 | ||
511 | static void rt2500usb_config_duration(struct rt2x00_dev *rt2x00dev, | |
5c58ee51 | 512 | struct rt2x00lib_conf *libconf) |
95ea3627 ID |
513 | { |
514 | u16 reg; | |
515 | ||
5c58ee51 | 516 | rt2500usb_register_write(rt2x00dev, MAC_CSR10, libconf->slot_time); |
95ea3627 ID |
517 | |
518 | rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®); | |
5c58ee51 ID |
519 | rt2x00_set_field16(®, TXRX_CSR18_INTERVAL, |
520 | libconf->conf->beacon_int * 4); | |
95ea3627 ID |
521 | rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg); |
522 | } | |
523 | ||
524 | static void rt2500usb_config(struct rt2x00_dev *rt2x00dev, | |
525 | const unsigned int flags, | |
5c58ee51 | 526 | struct rt2x00lib_conf *libconf) |
95ea3627 | 527 | { |
95ea3627 | 528 | if (flags & CONFIG_UPDATE_PHYMODE) |
5c58ee51 ID |
529 | rt2500usb_config_phymode(rt2x00dev, libconf->phymode, |
530 | libconf->basic_rates); | |
95ea3627 | 531 | if (flags & CONFIG_UPDATE_CHANNEL) |
5c58ee51 ID |
532 | rt2500usb_config_channel(rt2x00dev, &libconf->rf, |
533 | libconf->conf->power_level); | |
95ea3627 | 534 | if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL)) |
5c58ee51 ID |
535 | rt2500usb_config_txpower(rt2x00dev, |
536 | libconf->conf->power_level); | |
95ea3627 | 537 | if (flags & CONFIG_UPDATE_ANTENNA) |
addc81bd | 538 | rt2500usb_config_antenna(rt2x00dev, &libconf->ant); |
95ea3627 | 539 | if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT)) |
5c58ee51 | 540 | rt2500usb_config_duration(rt2x00dev, libconf); |
95ea3627 ID |
541 | } |
542 | ||
543 | /* | |
544 | * LED functions. | |
545 | */ | |
546 | static void rt2500usb_enable_led(struct rt2x00_dev *rt2x00dev) | |
547 | { | |
548 | u16 reg; | |
549 | ||
550 | rt2500usb_register_read(rt2x00dev, MAC_CSR21, ®); | |
551 | rt2x00_set_field16(®, MAC_CSR21_ON_PERIOD, 70); | |
552 | rt2x00_set_field16(®, MAC_CSR21_OFF_PERIOD, 30); | |
553 | rt2500usb_register_write(rt2x00dev, MAC_CSR21, reg); | |
554 | ||
555 | rt2500usb_register_read(rt2x00dev, MAC_CSR20, ®); | |
ddc827f9 ID |
556 | rt2x00_set_field16(®, MAC_CSR20_LINK, |
557 | (rt2x00dev->led_mode != LED_MODE_ASUS)); | |
558 | rt2x00_set_field16(®, MAC_CSR20_ACTIVITY, | |
559 | (rt2x00dev->led_mode != LED_MODE_TXRX_ACTIVITY)); | |
95ea3627 ID |
560 | rt2500usb_register_write(rt2x00dev, MAC_CSR20, reg); |
561 | } | |
562 | ||
563 | static void rt2500usb_disable_led(struct rt2x00_dev *rt2x00dev) | |
564 | { | |
565 | u16 reg; | |
566 | ||
567 | rt2500usb_register_read(rt2x00dev, MAC_CSR20, ®); | |
568 | rt2x00_set_field16(®, MAC_CSR20_LINK, 0); | |
569 | rt2x00_set_field16(®, MAC_CSR20_ACTIVITY, 0); | |
570 | rt2500usb_register_write(rt2x00dev, MAC_CSR20, reg); | |
571 | } | |
572 | ||
573 | /* | |
574 | * Link tuning | |
575 | */ | |
ebcf26da ID |
576 | static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev, |
577 | struct link_qual *qual) | |
95ea3627 ID |
578 | { |
579 | u16 reg; | |
580 | ||
581 | /* | |
582 | * Update FCS error count from register. | |
583 | */ | |
584 | rt2500usb_register_read(rt2x00dev, STA_CSR0, ®); | |
ebcf26da | 585 | qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR); |
95ea3627 ID |
586 | |
587 | /* | |
588 | * Update False CCA count from register. | |
589 | */ | |
590 | rt2500usb_register_read(rt2x00dev, STA_CSR3, ®); | |
ebcf26da | 591 | qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR); |
95ea3627 ID |
592 | } |
593 | ||
594 | static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev) | |
595 | { | |
596 | u16 eeprom; | |
597 | u16 value; | |
598 | ||
599 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom); | |
600 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW); | |
601 | rt2500usb_bbp_write(rt2x00dev, 24, value); | |
602 | ||
603 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom); | |
604 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW); | |
605 | rt2500usb_bbp_write(rt2x00dev, 25, value); | |
606 | ||
607 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom); | |
608 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW); | |
609 | rt2500usb_bbp_write(rt2x00dev, 61, value); | |
610 | ||
611 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom); | |
612 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER); | |
613 | rt2500usb_bbp_write(rt2x00dev, 17, value); | |
614 | ||
615 | rt2x00dev->link.vgc_level = value; | |
616 | } | |
617 | ||
618 | static void rt2500usb_link_tuner(struct rt2x00_dev *rt2x00dev) | |
619 | { | |
620 | int rssi = rt2x00_get_link_rssi(&rt2x00dev->link); | |
621 | u16 bbp_thresh; | |
622 | u16 vgc_bound; | |
623 | u16 sens; | |
624 | u16 r24; | |
625 | u16 r25; | |
626 | u16 r61; | |
627 | u16 r17_sens; | |
628 | u8 r17; | |
629 | u8 up_bound; | |
630 | u8 low_bound; | |
631 | ||
632 | /* | |
633 | * Determine the BBP tuning threshold and correctly | |
634 | * set BBP 24, 25 and 61. | |
635 | */ | |
636 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &bbp_thresh); | |
637 | bbp_thresh = rt2x00_get_field16(bbp_thresh, EEPROM_BBPTUNE_THRESHOLD); | |
638 | ||
639 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &r24); | |
640 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &r25); | |
641 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &r61); | |
642 | ||
643 | if ((rssi + bbp_thresh) > 0) { | |
644 | r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_HIGH); | |
645 | r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_HIGH); | |
646 | r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_HIGH); | |
647 | } else { | |
648 | r24 = rt2x00_get_field16(r24, EEPROM_BBPTUNE_R24_LOW); | |
649 | r25 = rt2x00_get_field16(r25, EEPROM_BBPTUNE_R25_LOW); | |
650 | r61 = rt2x00_get_field16(r61, EEPROM_BBPTUNE_R61_LOW); | |
651 | } | |
652 | ||
653 | rt2500usb_bbp_write(rt2x00dev, 24, r24); | |
654 | rt2500usb_bbp_write(rt2x00dev, 25, r25); | |
655 | rt2500usb_bbp_write(rt2x00dev, 61, r61); | |
656 | ||
657 | /* | |
658 | * Read current r17 value, as well as the sensitivity values | |
659 | * for the r17 register. | |
660 | */ | |
661 | rt2500usb_bbp_read(rt2x00dev, 17, &r17); | |
662 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens); | |
663 | ||
664 | /* | |
665 | * A too low RSSI will cause too much false CCA which will | |
666 | * then corrupt the R17 tuning. To remidy this the tuning should | |
667 | * be stopped (While making sure the R17 value will not exceed limits) | |
668 | */ | |
669 | if (rssi >= -40) { | |
670 | if (r17 != 0x60) | |
671 | rt2500usb_bbp_write(rt2x00dev, 17, 0x60); | |
672 | return; | |
673 | } | |
674 | ||
675 | /* | |
676 | * Special big-R17 for short distance | |
677 | */ | |
678 | if (rssi >= -58) { | |
679 | sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_LOW); | |
680 | if (r17 != sens) | |
681 | rt2500usb_bbp_write(rt2x00dev, 17, sens); | |
682 | return; | |
683 | } | |
684 | ||
685 | /* | |
686 | * Special mid-R17 for middle distance | |
687 | */ | |
688 | if (rssi >= -74) { | |
689 | sens = rt2x00_get_field16(r17_sens, EEPROM_BBPTUNE_R17_HIGH); | |
690 | if (r17 != sens) | |
691 | rt2500usb_bbp_write(rt2x00dev, 17, sens); | |
692 | return; | |
693 | } | |
694 | ||
695 | /* | |
696 | * Leave short or middle distance condition, restore r17 | |
697 | * to the dynamic tuning range. | |
698 | */ | |
699 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound); | |
700 | vgc_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER); | |
701 | ||
702 | low_bound = 0x32; | |
703 | if (rssi >= -77) | |
704 | up_bound = vgc_bound; | |
705 | else | |
706 | up_bound = vgc_bound - (-77 - rssi); | |
707 | ||
708 | if (up_bound < low_bound) | |
709 | up_bound = low_bound; | |
710 | ||
711 | if (r17 > up_bound) { | |
712 | rt2500usb_bbp_write(rt2x00dev, 17, up_bound); | |
713 | rt2x00dev->link.vgc_level = up_bound; | |
ebcf26da | 714 | } else if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) { |
95ea3627 ID |
715 | rt2500usb_bbp_write(rt2x00dev, 17, ++r17); |
716 | rt2x00dev->link.vgc_level = r17; | |
ebcf26da | 717 | } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) { |
95ea3627 ID |
718 | rt2500usb_bbp_write(rt2x00dev, 17, --r17); |
719 | rt2x00dev->link.vgc_level = r17; | |
720 | } | |
721 | } | |
722 | ||
723 | /* | |
724 | * Initialization functions. | |
725 | */ | |
726 | static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev) | |
727 | { | |
728 | u16 reg; | |
729 | ||
730 | rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001, | |
731 | USB_MODE_TEST, REGISTER_TIMEOUT); | |
732 | rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308, | |
733 | 0x00f0, REGISTER_TIMEOUT); | |
734 | ||
735 | rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); | |
736 | rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, 1); | |
737 | rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); | |
738 | ||
739 | rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111); | |
740 | rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11); | |
741 | ||
742 | rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); | |
743 | rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 1); | |
744 | rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 1); | |
745 | rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0); | |
746 | rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); | |
747 | ||
748 | rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); | |
749 | rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 0); | |
750 | rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 0); | |
751 | rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0); | |
752 | rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); | |
753 | ||
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 | ||
927 | rt2x00usb_enable_radio(rt2x00dev); | |
928 | ||
929 | /* | |
930 | * Enable LED | |
931 | */ | |
932 | rt2500usb_enable_led(rt2x00dev); | |
933 | ||
934 | return 0; | |
935 | } | |
936 | ||
937 | static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev) | |
938 | { | |
939 | /* | |
940 | * Disable LED | |
941 | */ | |
942 | rt2500usb_disable_led(rt2x00dev); | |
943 | ||
944 | rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121); | |
945 | rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121); | |
946 | ||
947 | /* | |
948 | * Disable synchronisation. | |
949 | */ | |
950 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); | |
951 | ||
952 | rt2x00usb_disable_radio(rt2x00dev); | |
953 | } | |
954 | ||
955 | static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev, | |
956 | enum dev_state state) | |
957 | { | |
958 | u16 reg; | |
959 | u16 reg2; | |
960 | unsigned int i; | |
961 | char put_to_sleep; | |
962 | char bbp_state; | |
963 | char rf_state; | |
964 | ||
965 | put_to_sleep = (state != STATE_AWAKE); | |
966 | ||
967 | reg = 0; | |
968 | rt2x00_set_field16(®, MAC_CSR17_BBP_DESIRE_STATE, state); | |
969 | rt2x00_set_field16(®, MAC_CSR17_RF_DESIRE_STATE, state); | |
970 | rt2x00_set_field16(®, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep); | |
971 | rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); | |
972 | rt2x00_set_field16(®, MAC_CSR17_SET_STATE, 1); | |
973 | rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); | |
974 | ||
975 | /* | |
976 | * Device is not guaranteed to be in the requested state yet. | |
977 | * We must wait until the register indicates that the | |
978 | * device has entered the correct state. | |
979 | */ | |
980 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
981 | rt2500usb_register_read(rt2x00dev, MAC_CSR17, ®2); | |
982 | bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE); | |
983 | rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE); | |
984 | if (bbp_state == state && rf_state == state) | |
985 | return 0; | |
986 | rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); | |
987 | msleep(30); | |
988 | } | |
989 | ||
990 | NOTICE(rt2x00dev, "Device failed to enter state %d, " | |
991 | "current device state: bbp %d and rf %d.\n", | |
992 | state, bbp_state, rf_state); | |
993 | ||
994 | return -EBUSY; | |
995 | } | |
996 | ||
997 | static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev, | |
998 | enum dev_state state) | |
999 | { | |
1000 | int retval = 0; | |
1001 | ||
1002 | switch (state) { | |
1003 | case STATE_RADIO_ON: | |
1004 | retval = rt2500usb_enable_radio(rt2x00dev); | |
1005 | break; | |
1006 | case STATE_RADIO_OFF: | |
1007 | rt2500usb_disable_radio(rt2x00dev); | |
1008 | break; | |
1009 | case STATE_RADIO_RX_ON: | |
1010 | case STATE_RADIO_RX_OFF: | |
1011 | rt2500usb_toggle_rx(rt2x00dev, state); | |
1012 | break; | |
1013 | case STATE_DEEP_SLEEP: | |
1014 | case STATE_SLEEP: | |
1015 | case STATE_STANDBY: | |
1016 | case STATE_AWAKE: | |
1017 | retval = rt2500usb_set_state(rt2x00dev, state); | |
1018 | break; | |
1019 | default: | |
1020 | retval = -ENOTSUPP; | |
1021 | break; | |
1022 | } | |
1023 | ||
1024 | return retval; | |
1025 | } | |
1026 | ||
1027 | /* | |
1028 | * TX descriptor initialization | |
1029 | */ | |
1030 | static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, | |
4bd7c452 | 1031 | __le32 *txd, |
4150c572 | 1032 | struct txdata_entry_desc *desc, |
95ea3627 ID |
1033 | struct ieee80211_hdr *ieee80211hdr, |
1034 | unsigned int length, | |
1035 | struct ieee80211_tx_control *control) | |
1036 | { | |
1037 | u32 word; | |
1038 | ||
1039 | /* | |
1040 | * Start writing the descriptor words. | |
1041 | */ | |
1042 | rt2x00_desc_read(txd, 1, &word); | |
1043 | rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER); | |
1044 | rt2x00_set_field32(&word, TXD_W1_AIFS, desc->aifs); | |
1045 | rt2x00_set_field32(&word, TXD_W1_CWMIN, desc->cw_min); | |
1046 | rt2x00_set_field32(&word, TXD_W1_CWMAX, desc->cw_max); | |
1047 | rt2x00_desc_write(txd, 1, word); | |
1048 | ||
1049 | rt2x00_desc_read(txd, 2, &word); | |
1050 | rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, desc->signal); | |
1051 | rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, desc->service); | |
1052 | rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, desc->length_low); | |
1053 | rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, desc->length_high); | |
1054 | rt2x00_desc_write(txd, 2, word); | |
1055 | ||
1056 | rt2x00_desc_read(txd, 0, &word); | |
1057 | rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, control->retry_limit); | |
1058 | rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, | |
1059 | test_bit(ENTRY_TXD_MORE_FRAG, &desc->flags)); | |
1060 | rt2x00_set_field32(&word, TXD_W0_ACK, | |
1061 | !(control->flags & IEEE80211_TXCTL_NO_ACK)); | |
1062 | rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, | |
1063 | test_bit(ENTRY_TXD_REQ_TIMESTAMP, &desc->flags)); | |
1064 | rt2x00_set_field32(&word, TXD_W0_OFDM, | |
1065 | test_bit(ENTRY_TXD_OFDM_RATE, &desc->flags)); | |
1066 | rt2x00_set_field32(&word, TXD_W0_NEW_SEQ, | |
1067 | !!(control->flags & IEEE80211_TXCTL_FIRST_FRAGMENT)); | |
1068 | rt2x00_set_field32(&word, TXD_W0_IFS, desc->ifs); | |
1069 | rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, length); | |
1070 | rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE); | |
1071 | rt2x00_desc_write(txd, 0, word); | |
1072 | } | |
1073 | ||
dd9fa2d2 | 1074 | static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev, |
b242e891 | 1075 | struct sk_buff *skb) |
dd9fa2d2 ID |
1076 | { |
1077 | int length; | |
1078 | ||
1079 | /* | |
1080 | * The length _must_ be a multiple of 2, | |
1081 | * but it must _not_ be a multiple of the USB packet size. | |
1082 | */ | |
1083 | length = roundup(skb->len, 2); | |
b242e891 | 1084 | length += (2 * !(length % rt2x00dev->usb_maxpacket)); |
dd9fa2d2 ID |
1085 | |
1086 | return length; | |
1087 | } | |
1088 | ||
95ea3627 ID |
1089 | /* |
1090 | * TX data initialization | |
1091 | */ | |
1092 | static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, | |
1093 | unsigned int queue) | |
1094 | { | |
1095 | u16 reg; | |
1096 | ||
1097 | if (queue != IEEE80211_TX_QUEUE_BEACON) | |
1098 | return; | |
1099 | ||
1100 | rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); | |
1101 | if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) { | |
1102 | rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1); | |
1103 | /* | |
1104 | * Beacon generation will fail initially. | |
1105 | * To prevent this we need to register the TXRX_CSR19 | |
1106 | * register several times. | |
1107 | */ | |
1108 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); | |
1109 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); | |
1110 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); | |
1111 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); | |
1112 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); | |
1113 | } | |
1114 | } | |
1115 | ||
1116 | /* | |
1117 | * RX control handlers | |
1118 | */ | |
4150c572 JB |
1119 | static void rt2500usb_fill_rxdone(struct data_entry *entry, |
1120 | struct rxdata_entry_desc *desc) | |
95ea3627 ID |
1121 | { |
1122 | struct urb *urb = entry->priv; | |
4bd7c452 ID |
1123 | __le32 *rxd = (__le32 *)(entry->skb->data + |
1124 | (urb->actual_length - entry->ring->desc_size)); | |
95ea3627 ID |
1125 | u32 word0; |
1126 | u32 word1; | |
1127 | ||
1128 | rt2x00_desc_read(rxd, 0, &word0); | |
1129 | rt2x00_desc_read(rxd, 1, &word1); | |
1130 | ||
4150c572 JB |
1131 | desc->flags = 0; |
1132 | if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) | |
1133 | desc->flags |= RX_FLAG_FAILED_FCS_CRC; | |
1134 | if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR)) | |
1135 | desc->flags |= RX_FLAG_FAILED_PLCP_CRC; | |
95ea3627 ID |
1136 | |
1137 | /* | |
1138 | * Obtain the status about this packet. | |
1139 | */ | |
4150c572 JB |
1140 | desc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL); |
1141 | desc->rssi = rt2x00_get_field32(word1, RXD_W1_RSSI) - | |
95ea3627 | 1142 | entry->ring->rt2x00dev->rssi_offset; |
4150c572 JB |
1143 | desc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM); |
1144 | desc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); | |
95ea3627 | 1145 | |
4150c572 | 1146 | return; |
95ea3627 ID |
1147 | } |
1148 | ||
1149 | /* | |
1150 | * Interrupt functions. | |
1151 | */ | |
1152 | static void rt2500usb_beacondone(struct urb *urb) | |
1153 | { | |
1154 | struct data_entry *entry = (struct data_entry *)urb->context; | |
1155 | struct data_ring *ring = entry->ring; | |
1156 | ||
1157 | if (!test_bit(DEVICE_ENABLED_RADIO, &ring->rt2x00dev->flags)) | |
1158 | return; | |
1159 | ||
1160 | /* | |
1161 | * Check if this was the guardian beacon, | |
1162 | * if that was the case we need to send the real beacon now. | |
1163 | * Otherwise we should free the sk_buffer, the device | |
1164 | * should be doing the rest of the work now. | |
1165 | */ | |
1166 | if (ring->index == 1) { | |
1167 | rt2x00_ring_index_done_inc(ring); | |
1168 | entry = rt2x00_get_data_entry(ring); | |
1169 | usb_submit_urb(entry->priv, GFP_ATOMIC); | |
1170 | rt2x00_ring_index_inc(ring); | |
1171 | } else if (ring->index_done == 1) { | |
1172 | entry = rt2x00_get_data_entry_done(ring); | |
1173 | if (entry->skb) { | |
1174 | dev_kfree_skb(entry->skb); | |
1175 | entry->skb = NULL; | |
1176 | } | |
1177 | rt2x00_ring_index_done_inc(ring); | |
1178 | } | |
1179 | } | |
1180 | ||
1181 | /* | |
1182 | * Device probe functions. | |
1183 | */ | |
1184 | static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev) | |
1185 | { | |
1186 | u16 word; | |
1187 | u8 *mac; | |
1188 | ||
1189 | rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE); | |
1190 | ||
1191 | /* | |
1192 | * Start validation of the data that has been read. | |
1193 | */ | |
1194 | mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); | |
1195 | if (!is_valid_ether_addr(mac)) { | |
0795af57 JP |
1196 | DECLARE_MAC_BUF(macbuf); |
1197 | ||
95ea3627 | 1198 | random_ether_addr(mac); |
0795af57 | 1199 | EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac)); |
95ea3627 ID |
1200 | } |
1201 | ||
1202 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); | |
1203 | if (word == 0xffff) { | |
1204 | rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2); | |
362f3b6b ID |
1205 | rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, |
1206 | ANTENNA_SW_DIVERSITY); | |
1207 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, | |
1208 | ANTENNA_SW_DIVERSITY); | |
1209 | rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE, | |
1210 | LED_MODE_DEFAULT); | |
95ea3627 ID |
1211 | rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0); |
1212 | rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0); | |
1213 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522); | |
1214 | rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); | |
1215 | EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word); | |
1216 | } | |
1217 | ||
1218 | rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word); | |
1219 | if (word == 0xffff) { | |
1220 | rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0); | |
1221 | rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0); | |
1222 | rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0); | |
1223 | rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word); | |
1224 | EEPROM(rt2x00dev, "NIC: 0x%04x\n", word); | |
1225 | } | |
1226 | ||
1227 | rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word); | |
1228 | if (word == 0xffff) { | |
1229 | rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI, | |
1230 | DEFAULT_RSSI_OFFSET); | |
1231 | rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word); | |
1232 | EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word); | |
1233 | } | |
1234 | ||
1235 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word); | |
1236 | if (word == 0xffff) { | |
1237 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45); | |
1238 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word); | |
1239 | EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word); | |
1240 | } | |
1241 | ||
1242 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word); | |
1243 | if (word == 0xffff) { | |
1244 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40); | |
1245 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word); | |
1246 | EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word); | |
1247 | } | |
1248 | ||
1249 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word); | |
1250 | if (word == 0xffff) { | |
1251 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48); | |
1252 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41); | |
1253 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word); | |
1254 | EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word); | |
1255 | } | |
1256 | ||
1257 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word); | |
1258 | if (word == 0xffff) { | |
1259 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40); | |
1260 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80); | |
1261 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word); | |
1262 | EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word); | |
1263 | } | |
1264 | ||
1265 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word); | |
1266 | if (word == 0xffff) { | |
1267 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40); | |
1268 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50); | |
1269 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word); | |
1270 | EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word); | |
1271 | } | |
1272 | ||
1273 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word); | |
1274 | if (word == 0xffff) { | |
1275 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60); | |
1276 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d); | |
1277 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word); | |
1278 | EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word); | |
1279 | } | |
1280 | ||
1281 | return 0; | |
1282 | } | |
1283 | ||
1284 | static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev) | |
1285 | { | |
1286 | u16 reg; | |
1287 | u16 value; | |
1288 | u16 eeprom; | |
1289 | ||
1290 | /* | |
1291 | * Read EEPROM word for configuration. | |
1292 | */ | |
1293 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom); | |
1294 | ||
1295 | /* | |
1296 | * Identify RF chipset. | |
1297 | */ | |
1298 | value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE); | |
1299 | rt2500usb_register_read(rt2x00dev, MAC_CSR0, ®); | |
1300 | rt2x00_set_chip(rt2x00dev, RT2570, value, reg); | |
1301 | ||
755a957d | 1302 | if (!rt2x00_check_rev(&rt2x00dev->chip, 0)) { |
95ea3627 ID |
1303 | ERROR(rt2x00dev, "Invalid RT chipset detected.\n"); |
1304 | return -ENODEV; | |
1305 | } | |
1306 | ||
1307 | if (!rt2x00_rf(&rt2x00dev->chip, RF2522) && | |
1308 | !rt2x00_rf(&rt2x00dev->chip, RF2523) && | |
1309 | !rt2x00_rf(&rt2x00dev->chip, RF2524) && | |
1310 | !rt2x00_rf(&rt2x00dev->chip, RF2525) && | |
1311 | !rt2x00_rf(&rt2x00dev->chip, RF2525E) && | |
1312 | !rt2x00_rf(&rt2x00dev->chip, RF5222)) { | |
1313 | ERROR(rt2x00dev, "Invalid RF chipset detected.\n"); | |
1314 | return -ENODEV; | |
1315 | } | |
1316 | ||
1317 | /* | |
1318 | * Identify default antenna configuration. | |
1319 | */ | |
addc81bd | 1320 | rt2x00dev->default_ant.tx = |
95ea3627 | 1321 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); |
addc81bd | 1322 | rt2x00dev->default_ant.rx = |
95ea3627 ID |
1323 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT); |
1324 | ||
addc81bd ID |
1325 | /* |
1326 | * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead. | |
1327 | * I am not 100% sure about this, but the legacy drivers do not | |
1328 | * indicate antenna swapping in software is required when | |
1329 | * diversity is enabled. | |
1330 | */ | |
1331 | if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY) | |
1332 | rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; | |
1333 | if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY) | |
1334 | rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; | |
1335 | ||
95ea3627 ID |
1336 | /* |
1337 | * Store led mode, for correct led behaviour. | |
1338 | */ | |
1339 | rt2x00dev->led_mode = | |
1340 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE); | |
1341 | ||
1342 | /* | |
1343 | * Check if the BBP tuning should be disabled. | |
1344 | */ | |
1345 | rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom); | |
1346 | if (rt2x00_get_field16(eeprom, EEPROM_NIC_DYN_BBP_TUNE)) | |
1347 | __set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags); | |
1348 | ||
1349 | /* | |
1350 | * Read the RSSI <-> dBm offset information. | |
1351 | */ | |
1352 | rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom); | |
1353 | rt2x00dev->rssi_offset = | |
1354 | rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI); | |
1355 | ||
1356 | return 0; | |
1357 | } | |
1358 | ||
1359 | /* | |
1360 | * RF value list for RF2522 | |
1361 | * Supports: 2.4 GHz | |
1362 | */ | |
1363 | static const struct rf_channel rf_vals_bg_2522[] = { | |
1364 | { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 }, | |
1365 | { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 }, | |
1366 | { 3, 0x00002050, 0x000c2002, 0x00000101, 0 }, | |
1367 | { 4, 0x00002050, 0x000c2016, 0x00000101, 0 }, | |
1368 | { 5, 0x00002050, 0x000c202a, 0x00000101, 0 }, | |
1369 | { 6, 0x00002050, 0x000c203e, 0x00000101, 0 }, | |
1370 | { 7, 0x00002050, 0x000c2052, 0x00000101, 0 }, | |
1371 | { 8, 0x00002050, 0x000c2066, 0x00000101, 0 }, | |
1372 | { 9, 0x00002050, 0x000c207a, 0x00000101, 0 }, | |
1373 | { 10, 0x00002050, 0x000c208e, 0x00000101, 0 }, | |
1374 | { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 }, | |
1375 | { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 }, | |
1376 | { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 }, | |
1377 | { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 }, | |
1378 | }; | |
1379 | ||
1380 | /* | |
1381 | * RF value list for RF2523 | |
1382 | * Supports: 2.4 GHz | |
1383 | */ | |
1384 | static const struct rf_channel rf_vals_bg_2523[] = { | |
1385 | { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b }, | |
1386 | { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b }, | |
1387 | { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b }, | |
1388 | { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b }, | |
1389 | { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b }, | |
1390 | { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b }, | |
1391 | { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b }, | |
1392 | { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b }, | |
1393 | { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b }, | |
1394 | { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b }, | |
1395 | { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b }, | |
1396 | { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b }, | |
1397 | { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b }, | |
1398 | { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 }, | |
1399 | }; | |
1400 | ||
1401 | /* | |
1402 | * RF value list for RF2524 | |
1403 | * Supports: 2.4 GHz | |
1404 | */ | |
1405 | static const struct rf_channel rf_vals_bg_2524[] = { | |
1406 | { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b }, | |
1407 | { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b }, | |
1408 | { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b }, | |
1409 | { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b }, | |
1410 | { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b }, | |
1411 | { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b }, | |
1412 | { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b }, | |
1413 | { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b }, | |
1414 | { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b }, | |
1415 | { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b }, | |
1416 | { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b }, | |
1417 | { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b }, | |
1418 | { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b }, | |
1419 | { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 }, | |
1420 | }; | |
1421 | ||
1422 | /* | |
1423 | * RF value list for RF2525 | |
1424 | * Supports: 2.4 GHz | |
1425 | */ | |
1426 | static const struct rf_channel rf_vals_bg_2525[] = { | |
1427 | { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b }, | |
1428 | { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b }, | |
1429 | { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b }, | |
1430 | { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b }, | |
1431 | { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b }, | |
1432 | { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b }, | |
1433 | { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b }, | |
1434 | { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b }, | |
1435 | { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b }, | |
1436 | { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b }, | |
1437 | { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b }, | |
1438 | { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b }, | |
1439 | { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b }, | |
1440 | { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 }, | |
1441 | }; | |
1442 | ||
1443 | /* | |
1444 | * RF value list for RF2525e | |
1445 | * Supports: 2.4 GHz | |
1446 | */ | |
1447 | static const struct rf_channel rf_vals_bg_2525e[] = { | |
1448 | { 1, 0x00022010, 0x0000089a, 0x00060111, 0x00000e1b }, | |
1449 | { 2, 0x00022010, 0x0000089e, 0x00060111, 0x00000e07 }, | |
1450 | { 3, 0x00022010, 0x0000089e, 0x00060111, 0x00000e1b }, | |
1451 | { 4, 0x00022010, 0x000008a2, 0x00060111, 0x00000e07 }, | |
1452 | { 5, 0x00022010, 0x000008a2, 0x00060111, 0x00000e1b }, | |
1453 | { 6, 0x00022010, 0x000008a6, 0x00060111, 0x00000e07 }, | |
1454 | { 7, 0x00022010, 0x000008a6, 0x00060111, 0x00000e1b }, | |
1455 | { 8, 0x00022010, 0x000008aa, 0x00060111, 0x00000e07 }, | |
1456 | { 9, 0x00022010, 0x000008aa, 0x00060111, 0x00000e1b }, | |
1457 | { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 }, | |
1458 | { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b }, | |
1459 | { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 }, | |
1460 | { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b }, | |
1461 | { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 }, | |
1462 | }; | |
1463 | ||
1464 | /* | |
1465 | * RF value list for RF5222 | |
1466 | * Supports: 2.4 GHz & 5.2 GHz | |
1467 | */ | |
1468 | static const struct rf_channel rf_vals_5222[] = { | |
1469 | { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b }, | |
1470 | { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b }, | |
1471 | { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b }, | |
1472 | { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b }, | |
1473 | { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b }, | |
1474 | { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b }, | |
1475 | { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b }, | |
1476 | { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b }, | |
1477 | { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b }, | |
1478 | { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b }, | |
1479 | { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b }, | |
1480 | { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b }, | |
1481 | { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b }, | |
1482 | { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b }, | |
1483 | ||
1484 | /* 802.11 UNI / HyperLan 2 */ | |
1485 | { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f }, | |
1486 | { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f }, | |
1487 | { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f }, | |
1488 | { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f }, | |
1489 | { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f }, | |
1490 | { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f }, | |
1491 | { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f }, | |
1492 | { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f }, | |
1493 | ||
1494 | /* 802.11 HyperLan 2 */ | |
1495 | { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f }, | |
1496 | { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f }, | |
1497 | { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f }, | |
1498 | { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f }, | |
1499 | { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f }, | |
1500 | { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f }, | |
1501 | { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f }, | |
1502 | { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f }, | |
1503 | { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f }, | |
1504 | { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f }, | |
1505 | ||
1506 | /* 802.11 UNII */ | |
1507 | { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f }, | |
1508 | { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 }, | |
1509 | { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 }, | |
1510 | { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 }, | |
1511 | { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 }, | |
1512 | }; | |
1513 | ||
1514 | static void rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) | |
1515 | { | |
1516 | struct hw_mode_spec *spec = &rt2x00dev->spec; | |
1517 | u8 *txpower; | |
1518 | unsigned int i; | |
1519 | ||
1520 | /* | |
1521 | * Initialize all hw fields. | |
1522 | */ | |
1523 | rt2x00dev->hw->flags = | |
1524 | IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | | |
1525 | IEEE80211_HW_RX_INCLUDES_FCS | | |
4150c572 | 1526 | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; |
95ea3627 ID |
1527 | rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE; |
1528 | rt2x00dev->hw->max_signal = MAX_SIGNAL; | |
1529 | rt2x00dev->hw->max_rssi = MAX_RX_SSI; | |
1530 | rt2x00dev->hw->queues = 2; | |
1531 | ||
1532 | SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_usb(rt2x00dev)->dev); | |
1533 | SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, | |
1534 | rt2x00_eeprom_addr(rt2x00dev, | |
1535 | EEPROM_MAC_ADDR_0)); | |
1536 | ||
1537 | /* | |
1538 | * Convert tx_power array in eeprom. | |
1539 | */ | |
1540 | txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START); | |
1541 | for (i = 0; i < 14; i++) | |
1542 | txpower[i] = TXPOWER_FROM_DEV(txpower[i]); | |
1543 | ||
1544 | /* | |
1545 | * Initialize hw_mode information. | |
1546 | */ | |
1547 | spec->num_modes = 2; | |
1548 | spec->num_rates = 12; | |
1549 | spec->tx_power_a = NULL; | |
1550 | spec->tx_power_bg = txpower; | |
1551 | spec->tx_power_default = DEFAULT_TXPOWER; | |
1552 | ||
1553 | if (rt2x00_rf(&rt2x00dev->chip, RF2522)) { | |
1554 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522); | |
1555 | spec->channels = rf_vals_bg_2522; | |
1556 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2523)) { | |
1557 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523); | |
1558 | spec->channels = rf_vals_bg_2523; | |
1559 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2524)) { | |
1560 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524); | |
1561 | spec->channels = rf_vals_bg_2524; | |
1562 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2525)) { | |
1563 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525); | |
1564 | spec->channels = rf_vals_bg_2525; | |
1565 | } else if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) { | |
1566 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e); | |
1567 | spec->channels = rf_vals_bg_2525e; | |
1568 | } else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) { | |
1569 | spec->num_channels = ARRAY_SIZE(rf_vals_5222); | |
1570 | spec->channels = rf_vals_5222; | |
1571 | spec->num_modes = 3; | |
1572 | } | |
1573 | } | |
1574 | ||
1575 | static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev) | |
1576 | { | |
1577 | int retval; | |
1578 | ||
1579 | /* | |
1580 | * Allocate eeprom data. | |
1581 | */ | |
1582 | retval = rt2500usb_validate_eeprom(rt2x00dev); | |
1583 | if (retval) | |
1584 | return retval; | |
1585 | ||
1586 | retval = rt2500usb_init_eeprom(rt2x00dev); | |
1587 | if (retval) | |
1588 | return retval; | |
1589 | ||
1590 | /* | |
1591 | * Initialize hw specifications. | |
1592 | */ | |
1593 | rt2500usb_probe_hw_mode(rt2x00dev); | |
1594 | ||
1595 | /* | |
4150c572 | 1596 | * This device requires the beacon ring |
95ea3627 | 1597 | */ |
066cb637 | 1598 | __set_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags); |
95ea3627 ID |
1599 | |
1600 | /* | |
1601 | * Set the rssi offset. | |
1602 | */ | |
1603 | rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; | |
1604 | ||
1605 | return 0; | |
1606 | } | |
1607 | ||
1608 | /* | |
1609 | * IEEE80211 stack callback functions. | |
1610 | */ | |
4150c572 JB |
1611 | static void rt2500usb_configure_filter(struct ieee80211_hw *hw, |
1612 | unsigned int changed_flags, | |
1613 | unsigned int *total_flags, | |
1614 | int mc_count, | |
1615 | struct dev_addr_list *mc_list) | |
1616 | { | |
1617 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
1618 | struct interface *intf = &rt2x00dev->interface; | |
1619 | u16 reg; | |
1620 | ||
1621 | /* | |
1622 | * Mask off any flags we are going to ignore from | |
1623 | * the total_flags field. | |
1624 | */ | |
1625 | *total_flags &= | |
1626 | FIF_ALLMULTI | | |
1627 | FIF_FCSFAIL | | |
1628 | FIF_PLCPFAIL | | |
1629 | FIF_CONTROL | | |
1630 | FIF_OTHER_BSS | | |
1631 | FIF_PROMISC_IN_BSS; | |
1632 | ||
1633 | /* | |
1634 | * Apply some rules to the filters: | |
1635 | * - Some filters imply different filters to be set. | |
1636 | * - Some things we can't filter out at all. | |
1637 | * - Some filters are set based on interface type. | |
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 JB |
1643 | *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS; |
1644 | if (is_interface_type(intf, IEEE80211_IF_TYPE_AP)) | |
1645 | *total_flags |= FIF_PROMISC_IN_BSS; | |
1646 | ||
1647 | /* | |
1648 | * Check if there is any work left for us. | |
1649 | */ | |
1650 | if (intf->filter == *total_flags) | |
1651 | return; | |
1652 | intf->filter = *total_flags; | |
1653 | ||
1654 | /* | |
1655 | * When in atomic context, reschedule and let rt2x00lib | |
1656 | * call this function again. | |
1657 | */ | |
1658 | if (in_atomic()) { | |
1659 | queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->filter_work); | |
1660 | return; | |
1661 | } | |
1662 | ||
1663 | /* | |
1664 | * Start configuration steps. | |
1665 | * Note that the version error will always be dropped | |
1666 | * and broadcast frames will always be accepted since | |
1667 | * there is no filter for it at this time. | |
1668 | */ | |
1669 | rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); | |
1670 | rt2x00_set_field16(®, TXRX_CSR2_DROP_CRC, | |
1671 | !(*total_flags & FIF_FCSFAIL)); | |
1672 | rt2x00_set_field16(®, TXRX_CSR2_DROP_PHYSICAL, | |
1673 | !(*total_flags & FIF_PLCPFAIL)); | |
1674 | rt2x00_set_field16(®, TXRX_CSR2_DROP_CONTROL, | |
1675 | !(*total_flags & FIF_CONTROL)); | |
1676 | rt2x00_set_field16(®, TXRX_CSR2_DROP_NOT_TO_ME, | |
1677 | !(*total_flags & FIF_PROMISC_IN_BSS)); | |
1678 | rt2x00_set_field16(®, TXRX_CSR2_DROP_TODS, | |
1679 | !(*total_flags & FIF_PROMISC_IN_BSS)); | |
1680 | rt2x00_set_field16(®, TXRX_CSR2_DROP_VERSION_ERROR, 1); | |
1681 | rt2x00_set_field16(®, TXRX_CSR2_DROP_MULTICAST, | |
1682 | !(*total_flags & FIF_ALLMULTI)); | |
1683 | rt2x00_set_field16(®, TXRX_CSR2_DROP_BROADCAST, 0); | |
1684 | rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); | |
1685 | } | |
1686 | ||
95ea3627 ID |
1687 | static int rt2500usb_beacon_update(struct ieee80211_hw *hw, |
1688 | struct sk_buff *skb, | |
1689 | struct ieee80211_tx_control *control) | |
1690 | { | |
1691 | struct rt2x00_dev *rt2x00dev = hw->priv; | |
1692 | struct usb_device *usb_dev = | |
1693 | interface_to_usbdev(rt2x00dev_usb(rt2x00dev)); | |
1694 | struct data_ring *ring = | |
1695 | rt2x00lib_get_ring(rt2x00dev, IEEE80211_TX_QUEUE_BEACON); | |
1696 | struct data_entry *beacon; | |
1697 | struct data_entry *guardian; | |
dd9fa2d2 | 1698 | int pipe = usb_sndbulkpipe(usb_dev, 1); |
95ea3627 ID |
1699 | int length; |
1700 | ||
1701 | /* | |
1702 | * Just in case the ieee80211 doesn't set this, | |
1703 | * but we need this queue set for the descriptor | |
1704 | * initialization. | |
1705 | */ | |
1706 | control->queue = IEEE80211_TX_QUEUE_BEACON; | |
1707 | ||
1708 | /* | |
1709 | * Obtain 2 entries, one for the guardian byte, | |
1710 | * the second for the actual beacon. | |
1711 | */ | |
1712 | guardian = rt2x00_get_data_entry(ring); | |
1713 | rt2x00_ring_index_inc(ring); | |
1714 | beacon = rt2x00_get_data_entry(ring); | |
1715 | ||
1716 | /* | |
1717 | * First we create the beacon. | |
1718 | */ | |
1719 | skb_push(skb, ring->desc_size); | |
c22eb87b ID |
1720 | memset(skb->data, 0, ring->desc_size); |
1721 | ||
4bd7c452 | 1722 | rt2x00lib_write_tx_desc(rt2x00dev, (__le32 *)skb->data, |
95ea3627 ID |
1723 | (struct ieee80211_hdr *)(skb->data + |
1724 | ring->desc_size), | |
1725 | skb->len - ring->desc_size, control); | |
1726 | ||
b242e891 | 1727 | length = rt2500usb_get_tx_data_len(rt2x00dev, skb); |
95ea3627 | 1728 | |
dd9fa2d2 | 1729 | usb_fill_bulk_urb(beacon->priv, usb_dev, pipe, |
95ea3627 ID |
1730 | skb->data, length, rt2500usb_beacondone, beacon); |
1731 | ||
1732 | beacon->skb = skb; | |
1733 | ||
1734 | /* | |
1735 | * Second we need to create the guardian byte. | |
1736 | * We only need a single byte, so lets recycle | |
1737 | * the 'flags' field we are not using for beacons. | |
1738 | */ | |
1739 | guardian->flags = 0; | |
dd9fa2d2 | 1740 | usb_fill_bulk_urb(guardian->priv, usb_dev, pipe, |
95ea3627 ID |
1741 | &guardian->flags, 1, rt2500usb_beacondone, guardian); |
1742 | ||
1743 | /* | |
1744 | * Send out the guardian byte. | |
1745 | */ | |
1746 | usb_submit_urb(guardian->priv, GFP_ATOMIC); | |
1747 | ||
1748 | /* | |
1749 | * Enable beacon generation. | |
1750 | */ | |
1751 | rt2500usb_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON); | |
1752 | ||
1753 | return 0; | |
1754 | } | |
1755 | ||
1756 | static const struct ieee80211_ops rt2500usb_mac80211_ops = { | |
1757 | .tx = rt2x00mac_tx, | |
4150c572 JB |
1758 | .start = rt2x00mac_start, |
1759 | .stop = rt2x00mac_stop, | |
95ea3627 ID |
1760 | .add_interface = rt2x00mac_add_interface, |
1761 | .remove_interface = rt2x00mac_remove_interface, | |
1762 | .config = rt2x00mac_config, | |
1763 | .config_interface = rt2x00mac_config_interface, | |
4150c572 | 1764 | .configure_filter = rt2500usb_configure_filter, |
95ea3627 | 1765 | .get_stats = rt2x00mac_get_stats, |
5c58ee51 | 1766 | .erp_ie_changed = rt2x00mac_erp_ie_changed, |
95ea3627 ID |
1767 | .conf_tx = rt2x00mac_conf_tx, |
1768 | .get_tx_stats = rt2x00mac_get_tx_stats, | |
1769 | .beacon_update = rt2500usb_beacon_update, | |
1770 | }; | |
1771 | ||
1772 | static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = { | |
1773 | .probe_hw = rt2500usb_probe_hw, | |
1774 | .initialize = rt2x00usb_initialize, | |
1775 | .uninitialize = rt2x00usb_uninitialize, | |
1776 | .set_device_state = rt2500usb_set_device_state, | |
1777 | .link_stats = rt2500usb_link_stats, | |
1778 | .reset_tuner = rt2500usb_reset_tuner, | |
1779 | .link_tuner = rt2500usb_link_tuner, | |
1780 | .write_tx_desc = rt2500usb_write_tx_desc, | |
1781 | .write_tx_data = rt2x00usb_write_tx_data, | |
dd9fa2d2 | 1782 | .get_tx_data_len = rt2500usb_get_tx_data_len, |
95ea3627 ID |
1783 | .kick_tx_queue = rt2500usb_kick_tx_queue, |
1784 | .fill_rxdone = rt2500usb_fill_rxdone, | |
1785 | .config_mac_addr = rt2500usb_config_mac_addr, | |
1786 | .config_bssid = rt2500usb_config_bssid, | |
95ea3627 | 1787 | .config_type = rt2500usb_config_type, |
5c58ee51 | 1788 | .config_preamble = rt2500usb_config_preamble, |
95ea3627 ID |
1789 | .config = rt2500usb_config, |
1790 | }; | |
1791 | ||
1792 | static const struct rt2x00_ops rt2500usb_ops = { | |
1793 | .name = DRV_NAME, | |
1794 | .rxd_size = RXD_DESC_SIZE, | |
1795 | .txd_size = TXD_DESC_SIZE, | |
1796 | .eeprom_size = EEPROM_SIZE, | |
1797 | .rf_size = RF_SIZE, | |
1798 | .lib = &rt2500usb_rt2x00_ops, | |
1799 | .hw = &rt2500usb_mac80211_ops, | |
1800 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS | |
1801 | .debugfs = &rt2500usb_rt2x00debug, | |
1802 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ | |
1803 | }; | |
1804 | ||
1805 | /* | |
1806 | * rt2500usb module information. | |
1807 | */ | |
1808 | static struct usb_device_id rt2500usb_device_table[] = { | |
1809 | /* ASUS */ | |
1810 | { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1811 | { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1812 | /* Belkin */ | |
1813 | { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1814 | { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1815 | { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1816 | /* Cisco Systems */ | |
1817 | { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1818 | { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1819 | { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1820 | /* Conceptronic */ | |
1821 | { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1822 | /* D-LINK */ | |
1823 | { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1824 | /* Gigabyte */ | |
1825 | { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1826 | { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1827 | /* Hercules */ | |
1828 | { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1829 | /* Melco */ | |
1830 | { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1831 | { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1832 | { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1833 | { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1834 | ||
1835 | /* MSI */ | |
1836 | { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1837 | { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1838 | { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1839 | /* Ralink */ | |
1840 | { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1841 | { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1842 | { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1843 | { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1844 | /* Siemens */ | |
1845 | { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1846 | /* SMC */ | |
1847 | { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1848 | /* Spairon */ | |
1849 | { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1850 | /* Trust */ | |
1851 | { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1852 | /* Zinwell */ | |
1853 | { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1854 | { 0, } | |
1855 | }; | |
1856 | ||
1857 | MODULE_AUTHOR(DRV_PROJECT); | |
1858 | MODULE_VERSION(DRV_VERSION); | |
1859 | MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver."); | |
1860 | MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards"); | |
1861 | MODULE_DEVICE_TABLE(usb, rt2500usb_device_table); | |
1862 | MODULE_LICENSE("GPL"); | |
1863 | ||
1864 | static struct usb_driver rt2500usb_driver = { | |
1865 | .name = DRV_NAME, | |
1866 | .id_table = rt2500usb_device_table, | |
1867 | .probe = rt2x00usb_probe, | |
1868 | .disconnect = rt2x00usb_disconnect, | |
1869 | .suspend = rt2x00usb_suspend, | |
1870 | .resume = rt2x00usb_resume, | |
1871 | }; | |
1872 | ||
1873 | static int __init rt2500usb_init(void) | |
1874 | { | |
1875 | return usb_register(&rt2500usb_driver); | |
1876 | } | |
1877 | ||
1878 | static void __exit rt2500usb_exit(void) | |
1879 | { | |
1880 | usb_deregister(&rt2500usb_driver); | |
1881 | } | |
1882 | ||
1883 | module_init(rt2500usb_init); | |
1884 | module_exit(rt2500usb_exit); |