Commit | Line | Data |
---|---|---|
95ea3627 | 1 | /* |
9c9a0d14 | 2 | Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com> |
95ea3627 ID |
3 | <http://rt2x00.serialmonkey.com> |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the | |
17 | Free Software Foundation, Inc., | |
18 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | */ | |
20 | ||
21 | /* | |
22 | Module: rt2500usb | |
23 | Abstract: rt2500usb device specific routines. | |
24 | Supported chipsets: RT2570. | |
25 | */ | |
26 | ||
95ea3627 ID |
27 | #include <linux/delay.h> |
28 | #include <linux/etherdevice.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/kernel.h> | |
31 | #include <linux/module.h> | |
5a0e3ad6 | 32 | #include <linux/slab.h> |
95ea3627 ID |
33 | #include <linux/usb.h> |
34 | ||
35 | #include "rt2x00.h" | |
36 | #include "rt2x00usb.h" | |
37 | #include "rt2500usb.h" | |
38 | ||
dddfb478 ID |
39 | /* |
40 | * Allow hardware encryption to be disabled. | |
41 | */ | |
f1dd2b23 | 42 | static int modparam_nohwcrypt = 0; |
dddfb478 ID |
43 | module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); |
44 | MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); | |
45 | ||
95ea3627 ID |
46 | /* |
47 | * Register access. | |
48 | * All access to the CSR registers will go through the methods | |
49 | * rt2500usb_register_read and rt2500usb_register_write. | |
50 | * BBP and RF register require indirect register access, | |
51 | * and use the CSR registers BBPCSR and RFCSR to achieve this. | |
52 | * These indirect registers work with busy bits, | |
53 | * and we will try maximal REGISTER_BUSY_COUNT times to access | |
54 | * the register while taking a REGISTER_BUSY_DELAY us delay | |
55 | * between each attampt. When the busy bit is still set at that time, | |
56 | * the access attempt is considered to have failed, | |
57 | * and we will print an error. | |
8ff48a8b | 58 | * If the csr_mutex is already held then the _lock variants must |
3d82346c | 59 | * be used instead. |
95ea3627 | 60 | */ |
0e14f6d3 | 61 | static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
62 | const unsigned int offset, |
63 | u16 *value) | |
64 | { | |
65 | __le16 reg; | |
66 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, | |
67 | USB_VENDOR_REQUEST_IN, offset, | |
c9c3b1a5 | 68 | ®, sizeof(reg), REGISTER_TIMEOUT); |
95ea3627 ID |
69 | *value = le16_to_cpu(reg); |
70 | } | |
71 | ||
3d82346c AB |
72 | static inline void rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev, |
73 | const unsigned int offset, | |
74 | u16 *value) | |
75 | { | |
76 | __le16 reg; | |
77 | rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ, | |
78 | USB_VENDOR_REQUEST_IN, offset, | |
c9c3b1a5 | 79 | ®, sizeof(reg), REGISTER_TIMEOUT); |
3d82346c AB |
80 | *value = le16_to_cpu(reg); |
81 | } | |
82 | ||
0e14f6d3 | 83 | static inline void rt2500usb_register_multiread(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
84 | const unsigned int offset, |
85 | void *value, const u16 length) | |
86 | { | |
95ea3627 ID |
87 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ, |
88 | USB_VENDOR_REQUEST_IN, offset, | |
bd394a74 ID |
89 | value, length, |
90 | REGISTER_TIMEOUT16(length)); | |
95ea3627 ID |
91 | } |
92 | ||
0e14f6d3 | 93 | static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
94 | const unsigned int offset, |
95 | u16 value) | |
96 | { | |
97 | __le16 reg = cpu_to_le16(value); | |
98 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, | |
99 | USB_VENDOR_REQUEST_OUT, offset, | |
c9c3b1a5 | 100 | ®, sizeof(reg), REGISTER_TIMEOUT); |
95ea3627 ID |
101 | } |
102 | ||
3d82346c AB |
103 | static inline void rt2500usb_register_write_lock(struct rt2x00_dev *rt2x00dev, |
104 | const unsigned int offset, | |
105 | u16 value) | |
106 | { | |
107 | __le16 reg = cpu_to_le16(value); | |
108 | rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE, | |
109 | USB_VENDOR_REQUEST_OUT, offset, | |
c9c3b1a5 | 110 | ®, sizeof(reg), REGISTER_TIMEOUT); |
3d82346c AB |
111 | } |
112 | ||
0e14f6d3 | 113 | static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
114 | const unsigned int offset, |
115 | void *value, const u16 length) | |
116 | { | |
95ea3627 ID |
117 | rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE, |
118 | USB_VENDOR_REQUEST_OUT, offset, | |
bd394a74 ID |
119 | value, length, |
120 | REGISTER_TIMEOUT16(length)); | |
95ea3627 ID |
121 | } |
122 | ||
c9c3b1a5 ID |
123 | static int rt2500usb_regbusy_read(struct rt2x00_dev *rt2x00dev, |
124 | const unsigned int offset, | |
125 | struct rt2x00_field16 field, | |
126 | u16 *reg) | |
95ea3627 | 127 | { |
95ea3627 ID |
128 | unsigned int i; |
129 | ||
130 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
c9c3b1a5 ID |
131 | rt2500usb_register_read_lock(rt2x00dev, offset, reg); |
132 | if (!rt2x00_get_field16(*reg, field)) | |
133 | return 1; | |
95ea3627 ID |
134 | udelay(REGISTER_BUSY_DELAY); |
135 | } | |
136 | ||
c9c3b1a5 ID |
137 | ERROR(rt2x00dev, "Indirect register access failed: " |
138 | "offset=0x%.08x, value=0x%.08x\n", offset, *reg); | |
139 | *reg = ~0; | |
140 | ||
141 | return 0; | |
95ea3627 ID |
142 | } |
143 | ||
c9c3b1a5 ID |
144 | #define WAIT_FOR_BBP(__dev, __reg) \ |
145 | rt2500usb_regbusy_read((__dev), PHY_CSR8, PHY_CSR8_BUSY, (__reg)) | |
146 | #define WAIT_FOR_RF(__dev, __reg) \ | |
147 | rt2500usb_regbusy_read((__dev), PHY_CSR10, PHY_CSR10_RF_BUSY, (__reg)) | |
148 | ||
0e14f6d3 | 149 | static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
150 | const unsigned int word, const u8 value) |
151 | { | |
152 | u16 reg; | |
153 | ||
8ff48a8b | 154 | mutex_lock(&rt2x00dev->csr_mutex); |
3d82346c | 155 | |
95ea3627 | 156 | /* |
c9c3b1a5 ID |
157 | * Wait until the BBP becomes available, afterwards we |
158 | * can safely write the new data into the register. | |
95ea3627 | 159 | */ |
c9c3b1a5 ID |
160 | if (WAIT_FOR_BBP(rt2x00dev, ®)) { |
161 | reg = 0; | |
162 | rt2x00_set_field16(®, PHY_CSR7_DATA, value); | |
163 | rt2x00_set_field16(®, PHY_CSR7_REG_ID, word); | |
164 | rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 0); | |
3d82346c | 165 | |
c9c3b1a5 ID |
166 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg); |
167 | } | |
99ade259 | 168 | |
8ff48a8b | 169 | mutex_unlock(&rt2x00dev->csr_mutex); |
95ea3627 ID |
170 | } |
171 | ||
0e14f6d3 | 172 | static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
173 | const unsigned int word, u8 *value) |
174 | { | |
175 | u16 reg; | |
176 | ||
8ff48a8b | 177 | mutex_lock(&rt2x00dev->csr_mutex); |
3d82346c | 178 | |
95ea3627 | 179 | /* |
c9c3b1a5 ID |
180 | * Wait until the BBP becomes available, afterwards we |
181 | * can safely write the read request into the register. | |
182 | * After the data has been written, we wait until hardware | |
183 | * returns the correct value, if at any time the register | |
184 | * doesn't become available in time, reg will be 0xffffffff | |
185 | * which means we return 0xff to the caller. | |
95ea3627 | 186 | */ |
c9c3b1a5 ID |
187 | if (WAIT_FOR_BBP(rt2x00dev, ®)) { |
188 | reg = 0; | |
189 | rt2x00_set_field16(®, PHY_CSR7_REG_ID, word); | |
190 | rt2x00_set_field16(®, PHY_CSR7_READ_CONTROL, 1); | |
95ea3627 | 191 | |
c9c3b1a5 | 192 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg); |
95ea3627 | 193 | |
c9c3b1a5 ID |
194 | if (WAIT_FOR_BBP(rt2x00dev, ®)) |
195 | rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, ®); | |
196 | } | |
95ea3627 | 197 | |
95ea3627 | 198 | *value = rt2x00_get_field16(reg, PHY_CSR7_DATA); |
3d82346c | 199 | |
8ff48a8b | 200 | mutex_unlock(&rt2x00dev->csr_mutex); |
95ea3627 ID |
201 | } |
202 | ||
0e14f6d3 | 203 | static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
204 | const unsigned int word, const u32 value) |
205 | { | |
206 | u16 reg; | |
95ea3627 | 207 | |
8ff48a8b | 208 | mutex_lock(&rt2x00dev->csr_mutex); |
3d82346c | 209 | |
c9c3b1a5 ID |
210 | /* |
211 | * Wait until the RF becomes available, afterwards we | |
212 | * can safely write the new data into the register. | |
213 | */ | |
214 | if (WAIT_FOR_RF(rt2x00dev, ®)) { | |
215 | reg = 0; | |
216 | rt2x00_set_field16(®, PHY_CSR9_RF_VALUE, value); | |
217 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR9, reg); | |
218 | ||
219 | reg = 0; | |
220 | rt2x00_set_field16(®, PHY_CSR10_RF_VALUE, value >> 16); | |
221 | rt2x00_set_field16(®, PHY_CSR10_RF_NUMBER_OF_BITS, 20); | |
222 | rt2x00_set_field16(®, PHY_CSR10_RF_IF_SELECT, 0); | |
223 | rt2x00_set_field16(®, PHY_CSR10_RF_BUSY, 1); | |
224 | ||
225 | rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg); | |
226 | rt2x00_rf_write(rt2x00dev, word, value); | |
95ea3627 ID |
227 | } |
228 | ||
8ff48a8b | 229 | mutex_unlock(&rt2x00dev->csr_mutex); |
95ea3627 ID |
230 | } |
231 | ||
232 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS | |
743b97ca ID |
233 | static void _rt2500usb_register_read(struct rt2x00_dev *rt2x00dev, |
234 | const unsigned int offset, | |
235 | u32 *value) | |
95ea3627 | 236 | { |
743b97ca | 237 | rt2500usb_register_read(rt2x00dev, offset, (u16 *)value); |
95ea3627 ID |
238 | } |
239 | ||
743b97ca ID |
240 | static void _rt2500usb_register_write(struct rt2x00_dev *rt2x00dev, |
241 | const unsigned int offset, | |
242 | u32 value) | |
95ea3627 | 243 | { |
743b97ca | 244 | rt2500usb_register_write(rt2x00dev, offset, value); |
95ea3627 ID |
245 | } |
246 | ||
247 | static const struct rt2x00debug rt2500usb_rt2x00debug = { | |
248 | .owner = THIS_MODULE, | |
249 | .csr = { | |
743b97ca ID |
250 | .read = _rt2500usb_register_read, |
251 | .write = _rt2500usb_register_write, | |
252 | .flags = RT2X00DEBUGFS_OFFSET, | |
253 | .word_base = CSR_REG_BASE, | |
95ea3627 ID |
254 | .word_size = sizeof(u16), |
255 | .word_count = CSR_REG_SIZE / sizeof(u16), | |
256 | }, | |
257 | .eeprom = { | |
258 | .read = rt2x00_eeprom_read, | |
259 | .write = rt2x00_eeprom_write, | |
743b97ca | 260 | .word_base = EEPROM_BASE, |
95ea3627 ID |
261 | .word_size = sizeof(u16), |
262 | .word_count = EEPROM_SIZE / sizeof(u16), | |
263 | }, | |
264 | .bbp = { | |
265 | .read = rt2500usb_bbp_read, | |
266 | .write = rt2500usb_bbp_write, | |
743b97ca | 267 | .word_base = BBP_BASE, |
95ea3627 ID |
268 | .word_size = sizeof(u8), |
269 | .word_count = BBP_SIZE / sizeof(u8), | |
270 | }, | |
271 | .rf = { | |
272 | .read = rt2x00_rf_read, | |
273 | .write = rt2500usb_rf_write, | |
743b97ca | 274 | .word_base = RF_BASE, |
95ea3627 ID |
275 | .word_size = sizeof(u32), |
276 | .word_count = RF_SIZE / sizeof(u32), | |
277 | }, | |
278 | }; | |
279 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ | |
280 | ||
7396faf4 ID |
281 | static int rt2500usb_rfkill_poll(struct rt2x00_dev *rt2x00dev) |
282 | { | |
283 | u16 reg; | |
284 | ||
285 | rt2500usb_register_read(rt2x00dev, MAC_CSR19, ®); | |
286 | return rt2x00_get_field32(reg, MAC_CSR19_BIT7); | |
287 | } | |
7396faf4 | 288 | |
771fd565 | 289 | #ifdef CONFIG_RT2X00_LIB_LEDS |
a2e1d52a | 290 | static void rt2500usb_brightness_set(struct led_classdev *led_cdev, |
a9450b70 ID |
291 | enum led_brightness brightness) |
292 | { | |
293 | struct rt2x00_led *led = | |
294 | container_of(led_cdev, struct rt2x00_led, led_dev); | |
295 | unsigned int enabled = brightness != LED_OFF; | |
a2e1d52a | 296 | u16 reg; |
a9450b70 | 297 | |
a2e1d52a | 298 | rt2500usb_register_read(led->rt2x00dev, MAC_CSR20, ®); |
47b10cd1 | 299 | |
a2e1d52a ID |
300 | if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC) |
301 | rt2x00_set_field16(®, MAC_CSR20_LINK, enabled); | |
302 | else if (led->type == LED_TYPE_ACTIVITY) | |
303 | rt2x00_set_field16(®, MAC_CSR20_ACTIVITY, enabled); | |
304 | ||
305 | rt2500usb_register_write(led->rt2x00dev, MAC_CSR20, reg); | |
306 | } | |
307 | ||
308 | static int rt2500usb_blink_set(struct led_classdev *led_cdev, | |
309 | unsigned long *delay_on, | |
310 | unsigned long *delay_off) | |
311 | { | |
312 | struct rt2x00_led *led = | |
313 | container_of(led_cdev, struct rt2x00_led, led_dev); | |
314 | u16 reg; | |
315 | ||
316 | rt2500usb_register_read(led->rt2x00dev, MAC_CSR21, ®); | |
317 | rt2x00_set_field16(®, MAC_CSR21_ON_PERIOD, *delay_on); | |
318 | rt2x00_set_field16(®, MAC_CSR21_OFF_PERIOD, *delay_off); | |
319 | rt2500usb_register_write(led->rt2x00dev, MAC_CSR21, reg); | |
a9450b70 | 320 | |
a2e1d52a | 321 | return 0; |
a9450b70 | 322 | } |
475433be ID |
323 | |
324 | static void rt2500usb_init_led(struct rt2x00_dev *rt2x00dev, | |
325 | struct rt2x00_led *led, | |
326 | enum led_type type) | |
327 | { | |
328 | led->rt2x00dev = rt2x00dev; | |
329 | led->type = type; | |
330 | led->led_dev.brightness_set = rt2500usb_brightness_set; | |
331 | led->led_dev.blink_set = rt2500usb_blink_set; | |
332 | led->flags = LED_INITIALIZED; | |
333 | } | |
771fd565 | 334 | #endif /* CONFIG_RT2X00_LIB_LEDS */ |
a9450b70 | 335 | |
95ea3627 ID |
336 | /* |
337 | * Configuration handlers. | |
338 | */ | |
dddfb478 ID |
339 | |
340 | /* | |
341 | * rt2500usb does not differentiate between shared and pairwise | |
342 | * keys, so we should use the same function for both key types. | |
343 | */ | |
344 | static int rt2500usb_config_key(struct rt2x00_dev *rt2x00dev, | |
345 | struct rt2x00lib_crypto *crypto, | |
346 | struct ieee80211_key_conf *key) | |
347 | { | |
dddfb478 ID |
348 | u32 mask; |
349 | u16 reg; | |
75f64dd5 | 350 | enum cipher curr_cipher; |
dddfb478 ID |
351 | |
352 | if (crypto->cmd == SET_KEY) { | |
353 | /* | |
354 | * Pairwise key will always be entry 0, but this | |
355 | * could collide with a shared key on the same | |
356 | * position... | |
357 | */ | |
358 | mask = TXRX_CSR0_KEY_ID.bit_mask; | |
359 | ||
360 | rt2500usb_register_read(rt2x00dev, TXRX_CSR0, ®); | |
75f64dd5 | 361 | curr_cipher = rt2x00_get_field16(reg, TXRX_CSR0_ALGORITHM); |
dddfb478 ID |
362 | reg &= mask; |
363 | ||
364 | if (reg && reg == mask) | |
365 | return -ENOSPC; | |
366 | ||
367 | reg = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID); | |
368 | ||
369 | key->hw_key_idx += reg ? ffz(reg) : 0; | |
75f64dd5 OZ |
370 | /* |
371 | * Hardware requires that all keys use the same cipher | |
372 | * (e.g. TKIP-only, AES-only, but not TKIP+AES). | |
373 | * If this is not the first key, compare the cipher with the | |
374 | * first one and fall back to SW crypto if not the same. | |
375 | */ | |
376 | if (key->hw_key_idx > 0 && crypto->cipher != curr_cipher) | |
377 | return -EOPNOTSUPP; | |
dddfb478 | 378 | |
96b61baf GW |
379 | rt2500usb_register_multiwrite(rt2x00dev, reg, |
380 | crypto->key, sizeof(crypto->key)); | |
dddfb478 ID |
381 | |
382 | /* | |
383 | * The driver does not support the IV/EIV generation | |
f3d340c1 | 384 | * in hardware. However it demands the data to be provided |
3ad2f3fb | 385 | * both separately as well as inside the frame. |
f3d340c1 ID |
386 | * We already provided the CONFIG_CRYPTO_COPY_IV to rt2x00lib |
387 | * to ensure rt2x00lib will not strip the data from the | |
388 | * frame after the copy, now we must tell mac80211 | |
dddfb478 ID |
389 | * to generate the IV/EIV data. |
390 | */ | |
391 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
392 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; | |
393 | } | |
394 | ||
395 | /* | |
396 | * TXRX_CSR0_KEY_ID contains only single-bit fields to indicate | |
397 | * a particular key is valid. | |
398 | */ | |
399 | rt2500usb_register_read(rt2x00dev, TXRX_CSR0, ®); | |
400 | rt2x00_set_field16(®, TXRX_CSR0_ALGORITHM, crypto->cipher); | |
401 | rt2x00_set_field16(®, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER); | |
402 | ||
403 | mask = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID); | |
404 | if (crypto->cmd == SET_KEY) | |
405 | mask |= 1 << key->hw_key_idx; | |
406 | else if (crypto->cmd == DISABLE_KEY) | |
407 | mask &= ~(1 << key->hw_key_idx); | |
408 | rt2x00_set_field16(®, TXRX_CSR0_KEY_ID, mask); | |
409 | rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg); | |
410 | ||
411 | return 0; | |
412 | } | |
413 | ||
3a643d24 ID |
414 | static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev, |
415 | const unsigned int filter_flags) | |
416 | { | |
417 | u16 reg; | |
418 | ||
419 | /* | |
420 | * Start configuration steps. | |
421 | * Note that the version error will always be dropped | |
422 | * and broadcast frames will always be accepted since | |
423 | * there is no filter for it at this time. | |
424 | */ | |
425 | rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); | |
426 | rt2x00_set_field16(®, TXRX_CSR2_DROP_CRC, | |
427 | !(filter_flags & FIF_FCSFAIL)); | |
428 | rt2x00_set_field16(®, TXRX_CSR2_DROP_PHYSICAL, | |
429 | !(filter_flags & FIF_PLCPFAIL)); | |
430 | rt2x00_set_field16(®, TXRX_CSR2_DROP_CONTROL, | |
431 | !(filter_flags & FIF_CONTROL)); | |
432 | rt2x00_set_field16(®, TXRX_CSR2_DROP_NOT_TO_ME, | |
433 | !(filter_flags & FIF_PROMISC_IN_BSS)); | |
434 | rt2x00_set_field16(®, TXRX_CSR2_DROP_TODS, | |
e0b005fa ID |
435 | !(filter_flags & FIF_PROMISC_IN_BSS) && |
436 | !rt2x00dev->intf_ap_count); | |
3a643d24 ID |
437 | rt2x00_set_field16(®, TXRX_CSR2_DROP_VERSION_ERROR, 1); |
438 | rt2x00_set_field16(®, TXRX_CSR2_DROP_MULTICAST, | |
439 | !(filter_flags & FIF_ALLMULTI)); | |
440 | rt2x00_set_field16(®, TXRX_CSR2_DROP_BROADCAST, 0); | |
441 | rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); | |
442 | } | |
443 | ||
6bb40dd1 ID |
444 | static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev, |
445 | struct rt2x00_intf *intf, | |
446 | struct rt2x00intf_conf *conf, | |
447 | const unsigned int flags) | |
95ea3627 | 448 | { |
6bb40dd1 | 449 | unsigned int bcn_preload; |
95ea3627 ID |
450 | u16 reg; |
451 | ||
6bb40dd1 | 452 | if (flags & CONFIG_UPDATE_TYPE) { |
6bb40dd1 ID |
453 | /* |
454 | * Enable beacon config | |
455 | */ | |
bad13639 | 456 | bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20); |
6bb40dd1 ID |
457 | rt2500usb_register_read(rt2x00dev, TXRX_CSR20, ®); |
458 | rt2x00_set_field16(®, TXRX_CSR20_OFFSET, bcn_preload >> 6); | |
459 | rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, | |
05c914fe | 460 | 2 * (conf->type != NL80211_IFTYPE_STATION)); |
6bb40dd1 | 461 | rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg); |
95ea3627 | 462 | |
6bb40dd1 ID |
463 | /* |
464 | * Enable synchronisation. | |
465 | */ | |
466 | rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®); | |
467 | rt2x00_set_field16(®, TXRX_CSR18_OFFSET, 0); | |
468 | rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg); | |
469 | ||
470 | rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); | |
fd3c91c5 | 471 | rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); |
6bb40dd1 | 472 | rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, conf->sync); |
fd3c91c5 | 473 | rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1); |
6bb40dd1 ID |
474 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); |
475 | } | |
95ea3627 | 476 | |
6bb40dd1 ID |
477 | if (flags & CONFIG_UPDATE_MAC) |
478 | rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac, | |
479 | (3 * sizeof(__le16))); | |
480 | ||
481 | if (flags & CONFIG_UPDATE_BSSID) | |
482 | rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid, | |
483 | (3 * sizeof(__le16))); | |
95ea3627 ID |
484 | } |
485 | ||
3a643d24 ID |
486 | static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev, |
487 | struct rt2x00lib_erp *erp) | |
95ea3627 | 488 | { |
95ea3627 | 489 | u16 reg; |
95ea3627 | 490 | |
95ea3627 | 491 | rt2500usb_register_read(rt2x00dev, TXRX_CSR10, ®); |
4f5af6eb | 492 | rt2x00_set_field16(®, TXRX_CSR10_AUTORESPOND_PREAMBLE, |
72810379 | 493 | !!erp->short_preamble); |
95ea3627 | 494 | rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg); |
95ea3627 | 495 | |
e4ea1c40 | 496 | rt2500usb_register_write(rt2x00dev, TXRX_CSR11, erp->basic_rates); |
95ea3627 | 497 | |
8a566afe ID |
498 | rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®); |
499 | rt2x00_set_field16(®, TXRX_CSR18_INTERVAL, erp->beacon_int * 4); | |
500 | rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg); | |
501 | ||
e4ea1c40 ID |
502 | rt2500usb_register_write(rt2x00dev, MAC_CSR10, erp->slot_time); |
503 | rt2500usb_register_write(rt2x00dev, MAC_CSR11, erp->sifs); | |
504 | rt2500usb_register_write(rt2x00dev, MAC_CSR12, erp->eifs); | |
95ea3627 ID |
505 | } |
506 | ||
e4ea1c40 ID |
507 | static void rt2500usb_config_ant(struct rt2x00_dev *rt2x00dev, |
508 | struct antenna_setup *ant) | |
95ea3627 ID |
509 | { |
510 | u8 r2; | |
511 | u8 r14; | |
512 | u16 csr5; | |
513 | u16 csr6; | |
514 | ||
a4fe07d9 ID |
515 | /* |
516 | * We should never come here because rt2x00lib is supposed | |
517 | * to catch this and send us the correct antenna explicitely. | |
518 | */ | |
519 | BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY || | |
520 | ant->tx == ANTENNA_SW_DIVERSITY); | |
521 | ||
95ea3627 ID |
522 | rt2500usb_bbp_read(rt2x00dev, 2, &r2); |
523 | rt2500usb_bbp_read(rt2x00dev, 14, &r14); | |
524 | rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5); | |
525 | rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6); | |
526 | ||
527 | /* | |
528 | * Configure the TX antenna. | |
529 | */ | |
addc81bd | 530 | switch (ant->tx) { |
95ea3627 ID |
531 | case ANTENNA_HW_DIVERSITY: |
532 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 1); | |
533 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 1); | |
534 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 1); | |
535 | break; | |
536 | case ANTENNA_A: | |
537 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 0); | |
538 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 0); | |
539 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 0); | |
540 | break; | |
541 | case ANTENNA_B: | |
a4fe07d9 | 542 | default: |
95ea3627 ID |
543 | rt2x00_set_field8(&r2, BBP_R2_TX_ANTENNA, 2); |
544 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK, 2); | |
545 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM, 2); | |
546 | break; | |
547 | } | |
548 | ||
549 | /* | |
550 | * Configure the RX antenna. | |
551 | */ | |
addc81bd | 552 | switch (ant->rx) { |
95ea3627 ID |
553 | case ANTENNA_HW_DIVERSITY: |
554 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 1); | |
555 | break; | |
556 | case ANTENNA_A: | |
557 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 0); | |
558 | break; | |
559 | case ANTENNA_B: | |
a4fe07d9 | 560 | default: |
95ea3627 ID |
561 | rt2x00_set_field8(&r14, BBP_R14_RX_ANTENNA, 2); |
562 | break; | |
563 | } | |
564 | ||
565 | /* | |
566 | * RT2525E and RT5222 need to flip TX I/Q | |
567 | */ | |
5122d898 | 568 | if (rt2x00_rf(rt2x00dev, RF2525E) || rt2x00_rf(rt2x00dev, RF5222)) { |
95ea3627 ID |
569 | rt2x00_set_field8(&r2, BBP_R2_TX_IQ_FLIP, 1); |
570 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 1); | |
571 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 1); | |
572 | ||
573 | /* | |
574 | * RT2525E does not need RX I/Q Flip. | |
575 | */ | |
5122d898 | 576 | if (rt2x00_rf(rt2x00dev, RF2525E)) |
95ea3627 ID |
577 | rt2x00_set_field8(&r14, BBP_R14_RX_IQ_FLIP, 0); |
578 | } else { | |
579 | rt2x00_set_field16(&csr5, PHY_CSR5_CCK_FLIP, 0); | |
580 | rt2x00_set_field16(&csr6, PHY_CSR6_OFDM_FLIP, 0); | |
581 | } | |
582 | ||
583 | rt2500usb_bbp_write(rt2x00dev, 2, r2); | |
584 | rt2500usb_bbp_write(rt2x00dev, 14, r14); | |
585 | rt2500usb_register_write(rt2x00dev, PHY_CSR5, csr5); | |
586 | rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6); | |
587 | } | |
588 | ||
e4ea1c40 ID |
589 | static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev, |
590 | struct rf_channel *rf, const int txpower) | |
591 | { | |
592 | /* | |
593 | * Set TXpower. | |
594 | */ | |
595 | rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); | |
596 | ||
597 | /* | |
598 | * For RT2525E we should first set the channel to half band higher. | |
599 | */ | |
5122d898 | 600 | if (rt2x00_rf(rt2x00dev, RF2525E)) { |
e4ea1c40 ID |
601 | static const u32 vals[] = { |
602 | 0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2, | |
603 | 0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba, | |
604 | 0x000008ba, 0x000008be, 0x000008b7, 0x00000902, | |
605 | 0x00000902, 0x00000906 | |
606 | }; | |
607 | ||
608 | rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]); | |
609 | if (rf->rf4) | |
610 | rt2500usb_rf_write(rt2x00dev, 4, rf->rf4); | |
611 | } | |
612 | ||
613 | rt2500usb_rf_write(rt2x00dev, 1, rf->rf1); | |
614 | rt2500usb_rf_write(rt2x00dev, 2, rf->rf2); | |
615 | rt2500usb_rf_write(rt2x00dev, 3, rf->rf3); | |
616 | if (rf->rf4) | |
617 | rt2500usb_rf_write(rt2x00dev, 4, rf->rf4); | |
618 | } | |
619 | ||
620 | static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev, | |
621 | const int txpower) | |
622 | { | |
623 | u32 rf3; | |
624 | ||
625 | rt2x00_rf_read(rt2x00dev, 3, &rf3); | |
626 | rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower)); | |
627 | rt2500usb_rf_write(rt2x00dev, 3, rf3); | |
628 | } | |
629 | ||
7d7f19cc ID |
630 | static void rt2500usb_config_ps(struct rt2x00_dev *rt2x00dev, |
631 | struct rt2x00lib_conf *libconf) | |
632 | { | |
633 | enum dev_state state = | |
634 | (libconf->conf->flags & IEEE80211_CONF_PS) ? | |
635 | STATE_SLEEP : STATE_AWAKE; | |
636 | u16 reg; | |
637 | ||
638 | if (state == STATE_SLEEP) { | |
639 | rt2500usb_register_read(rt2x00dev, MAC_CSR18, ®); | |
640 | rt2x00_set_field16(®, MAC_CSR18_DELAY_AFTER_BEACON, | |
6b347bff | 641 | rt2x00dev->beacon_int - 20); |
7d7f19cc ID |
642 | rt2x00_set_field16(®, MAC_CSR18_BEACONS_BEFORE_WAKEUP, |
643 | libconf->conf->listen_interval - 1); | |
644 | ||
645 | /* We must first disable autowake before it can be enabled */ | |
646 | rt2x00_set_field16(®, MAC_CSR18_AUTO_WAKE, 0); | |
647 | rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg); | |
648 | ||
649 | rt2x00_set_field16(®, MAC_CSR18_AUTO_WAKE, 1); | |
650 | rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg); | |
5731858d GW |
651 | } else { |
652 | rt2500usb_register_read(rt2x00dev, MAC_CSR18, ®); | |
653 | rt2x00_set_field16(®, MAC_CSR18_AUTO_WAKE, 0); | |
654 | rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg); | |
7d7f19cc ID |
655 | } |
656 | ||
657 | rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); | |
658 | } | |
659 | ||
95ea3627 | 660 | static void rt2500usb_config(struct rt2x00_dev *rt2x00dev, |
6bb40dd1 ID |
661 | struct rt2x00lib_conf *libconf, |
662 | const unsigned int flags) | |
95ea3627 | 663 | { |
e4ea1c40 | 664 | if (flags & IEEE80211_CONF_CHANGE_CHANNEL) |
5c58ee51 ID |
665 | rt2500usb_config_channel(rt2x00dev, &libconf->rf, |
666 | libconf->conf->power_level); | |
e4ea1c40 ID |
667 | if ((flags & IEEE80211_CONF_CHANGE_POWER) && |
668 | !(flags & IEEE80211_CONF_CHANGE_CHANNEL)) | |
5c58ee51 ID |
669 | rt2500usb_config_txpower(rt2x00dev, |
670 | libconf->conf->power_level); | |
7d7f19cc ID |
671 | if (flags & IEEE80211_CONF_CHANGE_PS) |
672 | rt2500usb_config_ps(rt2x00dev, libconf); | |
95ea3627 ID |
673 | } |
674 | ||
95ea3627 ID |
675 | /* |
676 | * Link tuning | |
677 | */ | |
ebcf26da ID |
678 | static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev, |
679 | struct link_qual *qual) | |
95ea3627 ID |
680 | { |
681 | u16 reg; | |
682 | ||
683 | /* | |
684 | * Update FCS error count from register. | |
685 | */ | |
686 | rt2500usb_register_read(rt2x00dev, STA_CSR0, ®); | |
ebcf26da | 687 | qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR); |
95ea3627 ID |
688 | |
689 | /* | |
690 | * Update False CCA count from register. | |
691 | */ | |
692 | rt2500usb_register_read(rt2x00dev, STA_CSR3, ®); | |
ebcf26da | 693 | qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR); |
95ea3627 ID |
694 | } |
695 | ||
5352ff65 ID |
696 | static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev, |
697 | struct link_qual *qual) | |
95ea3627 ID |
698 | { |
699 | u16 eeprom; | |
700 | u16 value; | |
701 | ||
702 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom); | |
703 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW); | |
704 | rt2500usb_bbp_write(rt2x00dev, 24, value); | |
705 | ||
706 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom); | |
707 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW); | |
708 | rt2500usb_bbp_write(rt2x00dev, 25, value); | |
709 | ||
710 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom); | |
711 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW); | |
712 | rt2500usb_bbp_write(rt2x00dev, 61, value); | |
713 | ||
714 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom); | |
715 | value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER); | |
716 | rt2500usb_bbp_write(rt2x00dev, 17, value); | |
717 | ||
5352ff65 | 718 | qual->vgc_level = value; |
95ea3627 ID |
719 | } |
720 | ||
95ea3627 ID |
721 | /* |
722 | * Initialization functions. | |
723 | */ | |
724 | static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev) | |
725 | { | |
726 | u16 reg; | |
727 | ||
728 | rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0x0001, | |
729 | USB_MODE_TEST, REGISTER_TIMEOUT); | |
730 | rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308, | |
731 | 0x00f0, REGISTER_TIMEOUT); | |
732 | ||
733 | rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); | |
734 | rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, 1); | |
735 | rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); | |
736 | ||
737 | rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111); | |
738 | rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11); | |
739 | ||
740 | rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); | |
741 | rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 1); | |
742 | rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 1); | |
743 | rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0); | |
744 | rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); | |
745 | ||
746 | rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); | |
747 | rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 0); | |
748 | rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 0); | |
749 | rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 0); | |
750 | rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); | |
751 | ||
752 | rt2500usb_register_read(rt2x00dev, TXRX_CSR5, ®); | |
753 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID0, 13); | |
754 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID0_VALID, 1); | |
755 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID1, 12); | |
756 | rt2x00_set_field16(®, TXRX_CSR5_BBP_ID1_VALID, 1); | |
757 | rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg); | |
758 | ||
759 | rt2500usb_register_read(rt2x00dev, TXRX_CSR6, ®); | |
760 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID0, 10); | |
761 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID0_VALID, 1); | |
762 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID1, 11); | |
763 | rt2x00_set_field16(®, TXRX_CSR6_BBP_ID1_VALID, 1); | |
764 | rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg); | |
765 | ||
766 | rt2500usb_register_read(rt2x00dev, TXRX_CSR7, ®); | |
767 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID0, 7); | |
768 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID0_VALID, 1); | |
769 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID1, 6); | |
770 | rt2x00_set_field16(®, TXRX_CSR7_BBP_ID1_VALID, 1); | |
771 | rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg); | |
772 | ||
773 | rt2500usb_register_read(rt2x00dev, TXRX_CSR8, ®); | |
774 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID0, 5); | |
775 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID0_VALID, 1); | |
776 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID1, 0); | |
777 | rt2x00_set_field16(®, TXRX_CSR8_BBP_ID1_VALID, 0); | |
778 | rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg); | |
779 | ||
1f909162 ID |
780 | rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); |
781 | rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 0); | |
782 | rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, 0); | |
783 | rt2x00_set_field16(®, TXRX_CSR19_TBCN, 0); | |
784 | rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0); | |
785 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); | |
786 | ||
95ea3627 ID |
787 | rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f); |
788 | rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d); | |
789 | ||
790 | if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE)) | |
791 | return -EBUSY; | |
792 | ||
793 | rt2500usb_register_read(rt2x00dev, MAC_CSR1, ®); | |
794 | rt2x00_set_field16(®, MAC_CSR1_SOFT_RESET, 0); | |
795 | rt2x00_set_field16(®, MAC_CSR1_BBP_RESET, 0); | |
796 | rt2x00_set_field16(®, MAC_CSR1_HOST_READY, 1); | |
797 | rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg); | |
798 | ||
5122d898 | 799 | if (rt2x00_rev(rt2x00dev) >= RT2570_VERSION_C) { |
95ea3627 | 800 | rt2500usb_register_read(rt2x00dev, PHY_CSR2, ®); |
ddc827f9 | 801 | rt2x00_set_field16(®, PHY_CSR2_LNA, 0); |
95ea3627 | 802 | } else { |
ddc827f9 ID |
803 | reg = 0; |
804 | rt2x00_set_field16(®, PHY_CSR2_LNA, 1); | |
805 | rt2x00_set_field16(®, PHY_CSR2_LNA_MODE, 3); | |
95ea3627 ID |
806 | } |
807 | rt2500usb_register_write(rt2x00dev, PHY_CSR2, reg); | |
808 | ||
809 | rt2500usb_register_write(rt2x00dev, MAC_CSR11, 0x0002); | |
810 | rt2500usb_register_write(rt2x00dev, MAC_CSR22, 0x0053); | |
811 | rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee); | |
812 | rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000); | |
813 | ||
814 | rt2500usb_register_read(rt2x00dev, MAC_CSR8, ®); | |
815 | rt2x00_set_field16(®, MAC_CSR8_MAX_FRAME_UNIT, | |
816 | rt2x00dev->rx->data_size); | |
817 | rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg); | |
818 | ||
819 | rt2500usb_register_read(rt2x00dev, TXRX_CSR0, ®); | |
820 | rt2x00_set_field16(®, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER); | |
dddfb478 | 821 | rt2x00_set_field16(®, TXRX_CSR0_KEY_ID, 0); |
95ea3627 ID |
822 | rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg); |
823 | ||
824 | rt2500usb_register_read(rt2x00dev, MAC_CSR18, ®); | |
825 | rt2x00_set_field16(®, MAC_CSR18_DELAY_AFTER_BEACON, 90); | |
826 | rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg); | |
827 | ||
828 | rt2500usb_register_read(rt2x00dev, PHY_CSR4, ®); | |
829 | rt2x00_set_field16(®, PHY_CSR4_LOW_RF_LE, 1); | |
830 | rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg); | |
831 | ||
832 | rt2500usb_register_read(rt2x00dev, TXRX_CSR1, ®); | |
833 | rt2x00_set_field16(®, TXRX_CSR1_AUTO_SEQUENCE, 1); | |
834 | rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg); | |
835 | ||
836 | return 0; | |
837 | } | |
838 | ||
2b08da3f | 839 | static int rt2500usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) |
95ea3627 ID |
840 | { |
841 | unsigned int i; | |
95ea3627 | 842 | u8 value; |
95ea3627 ID |
843 | |
844 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
845 | rt2500usb_bbp_read(rt2x00dev, 0, &value); | |
846 | if ((value != 0xff) && (value != 0x00)) | |
2b08da3f | 847 | return 0; |
95ea3627 ID |
848 | udelay(REGISTER_BUSY_DELAY); |
849 | } | |
850 | ||
851 | ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); | |
852 | return -EACCES; | |
2b08da3f ID |
853 | } |
854 | ||
855 | static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev) | |
856 | { | |
857 | unsigned int i; | |
858 | u16 eeprom; | |
859 | u8 value; | |
860 | u8 reg_id; | |
861 | ||
862 | if (unlikely(rt2500usb_wait_bbp_ready(rt2x00dev))) | |
863 | return -EACCES; | |
95ea3627 | 864 | |
95ea3627 ID |
865 | rt2500usb_bbp_write(rt2x00dev, 3, 0x02); |
866 | rt2500usb_bbp_write(rt2x00dev, 4, 0x19); | |
867 | rt2500usb_bbp_write(rt2x00dev, 14, 0x1c); | |
868 | rt2500usb_bbp_write(rt2x00dev, 15, 0x30); | |
869 | rt2500usb_bbp_write(rt2x00dev, 16, 0xac); | |
870 | rt2500usb_bbp_write(rt2x00dev, 18, 0x18); | |
871 | rt2500usb_bbp_write(rt2x00dev, 19, 0xff); | |
872 | rt2500usb_bbp_write(rt2x00dev, 20, 0x1e); | |
873 | rt2500usb_bbp_write(rt2x00dev, 21, 0x08); | |
874 | rt2500usb_bbp_write(rt2x00dev, 22, 0x08); | |
875 | rt2500usb_bbp_write(rt2x00dev, 23, 0x08); | |
876 | rt2500usb_bbp_write(rt2x00dev, 24, 0x80); | |
877 | rt2500usb_bbp_write(rt2x00dev, 25, 0x50); | |
878 | rt2500usb_bbp_write(rt2x00dev, 26, 0x08); | |
879 | rt2500usb_bbp_write(rt2x00dev, 27, 0x23); | |
880 | rt2500usb_bbp_write(rt2x00dev, 30, 0x10); | |
881 | rt2500usb_bbp_write(rt2x00dev, 31, 0x2b); | |
882 | rt2500usb_bbp_write(rt2x00dev, 32, 0xb9); | |
883 | rt2500usb_bbp_write(rt2x00dev, 34, 0x12); | |
884 | rt2500usb_bbp_write(rt2x00dev, 35, 0x50); | |
885 | rt2500usb_bbp_write(rt2x00dev, 39, 0xc4); | |
886 | rt2500usb_bbp_write(rt2x00dev, 40, 0x02); | |
887 | rt2500usb_bbp_write(rt2x00dev, 41, 0x60); | |
888 | rt2500usb_bbp_write(rt2x00dev, 53, 0x10); | |
889 | rt2500usb_bbp_write(rt2x00dev, 54, 0x18); | |
890 | rt2500usb_bbp_write(rt2x00dev, 56, 0x08); | |
891 | rt2500usb_bbp_write(rt2x00dev, 57, 0x10); | |
892 | rt2500usb_bbp_write(rt2x00dev, 58, 0x08); | |
893 | rt2500usb_bbp_write(rt2x00dev, 61, 0x60); | |
894 | rt2500usb_bbp_write(rt2x00dev, 62, 0x10); | |
895 | rt2500usb_bbp_write(rt2x00dev, 75, 0xff); | |
896 | ||
95ea3627 ID |
897 | for (i = 0; i < EEPROM_BBP_SIZE; i++) { |
898 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom); | |
899 | ||
900 | if (eeprom != 0xffff && eeprom != 0x0000) { | |
901 | reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID); | |
902 | value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE); | |
95ea3627 ID |
903 | rt2500usb_bbp_write(rt2x00dev, reg_id, value); |
904 | } | |
905 | } | |
95ea3627 ID |
906 | |
907 | return 0; | |
908 | } | |
909 | ||
910 | /* | |
911 | * Device state switch handlers. | |
912 | */ | |
913 | static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev, | |
914 | enum dev_state state) | |
915 | { | |
916 | u16 reg; | |
917 | ||
918 | rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); | |
919 | rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, | |
2b08da3f ID |
920 | (state == STATE_RADIO_RX_OFF) || |
921 | (state == STATE_RADIO_RX_OFF_LINK)); | |
95ea3627 ID |
922 | rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); |
923 | } | |
924 | ||
925 | static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev) | |
926 | { | |
927 | /* | |
928 | * Initialize all registers. | |
929 | */ | |
2b08da3f ID |
930 | if (unlikely(rt2500usb_init_registers(rt2x00dev) || |
931 | rt2500usb_init_bbp(rt2x00dev))) | |
95ea3627 | 932 | return -EIO; |
95ea3627 | 933 | |
95ea3627 ID |
934 | return 0; |
935 | } | |
936 | ||
937 | static void rt2500usb_disable_radio(struct rt2x00_dev *rt2x00dev) | |
938 | { | |
95ea3627 ID |
939 | rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x2121); |
940 | rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x2121); | |
941 | ||
942 | /* | |
943 | * Disable synchronisation. | |
944 | */ | |
945 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0); | |
946 | ||
947 | rt2x00usb_disable_radio(rt2x00dev); | |
948 | } | |
949 | ||
950 | static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev, | |
951 | enum dev_state state) | |
952 | { | |
953 | u16 reg; | |
954 | u16 reg2; | |
955 | unsigned int i; | |
956 | char put_to_sleep; | |
957 | char bbp_state; | |
958 | char rf_state; | |
959 | ||
960 | put_to_sleep = (state != STATE_AWAKE); | |
961 | ||
962 | reg = 0; | |
963 | rt2x00_set_field16(®, MAC_CSR17_BBP_DESIRE_STATE, state); | |
964 | rt2x00_set_field16(®, MAC_CSR17_RF_DESIRE_STATE, state); | |
965 | rt2x00_set_field16(®, MAC_CSR17_PUT_TO_SLEEP, put_to_sleep); | |
966 | rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); | |
967 | rt2x00_set_field16(®, MAC_CSR17_SET_STATE, 1); | |
968 | rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); | |
969 | ||
970 | /* | |
971 | * Device is not guaranteed to be in the requested state yet. | |
972 | * We must wait until the register indicates that the | |
973 | * device has entered the correct state. | |
974 | */ | |
975 | for (i = 0; i < REGISTER_BUSY_COUNT; i++) { | |
976 | rt2500usb_register_read(rt2x00dev, MAC_CSR17, ®2); | |
977 | bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE); | |
978 | rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE); | |
979 | if (bbp_state == state && rf_state == state) | |
980 | return 0; | |
981 | rt2500usb_register_write(rt2x00dev, MAC_CSR17, reg); | |
982 | msleep(30); | |
983 | } | |
984 | ||
95ea3627 ID |
985 | return -EBUSY; |
986 | } | |
987 | ||
988 | static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev, | |
989 | enum dev_state state) | |
990 | { | |
991 | int retval = 0; | |
992 | ||
993 | switch (state) { | |
994 | case STATE_RADIO_ON: | |
995 | retval = rt2500usb_enable_radio(rt2x00dev); | |
996 | break; | |
997 | case STATE_RADIO_OFF: | |
998 | rt2500usb_disable_radio(rt2x00dev); | |
999 | break; | |
1000 | case STATE_RADIO_RX_ON: | |
61667d8d | 1001 | case STATE_RADIO_RX_ON_LINK: |
95ea3627 | 1002 | case STATE_RADIO_RX_OFF: |
61667d8d | 1003 | case STATE_RADIO_RX_OFF_LINK: |
2b08da3f ID |
1004 | rt2500usb_toggle_rx(rt2x00dev, state); |
1005 | break; | |
1006 | case STATE_RADIO_IRQ_ON: | |
78e256c9 | 1007 | case STATE_RADIO_IRQ_ON_ISR: |
2b08da3f | 1008 | case STATE_RADIO_IRQ_OFF: |
78e256c9 | 1009 | case STATE_RADIO_IRQ_OFF_ISR: |
2b08da3f | 1010 | /* No support, but no error either */ |
95ea3627 ID |
1011 | break; |
1012 | case STATE_DEEP_SLEEP: | |
1013 | case STATE_SLEEP: | |
1014 | case STATE_STANDBY: | |
1015 | case STATE_AWAKE: | |
1016 | retval = rt2500usb_set_state(rt2x00dev, state); | |
1017 | break; | |
1018 | default: | |
1019 | retval = -ENOTSUPP; | |
1020 | break; | |
1021 | } | |
1022 | ||
2b08da3f ID |
1023 | if (unlikely(retval)) |
1024 | ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", | |
1025 | state, retval); | |
1026 | ||
95ea3627 ID |
1027 | return retval; |
1028 | } | |
1029 | ||
1030 | /* | |
1031 | * TX descriptor initialization | |
1032 | */ | |
1033 | static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, | |
dd3193e1 | 1034 | struct sk_buff *skb, |
61486e0f | 1035 | struct txentry_desc *txdesc) |
95ea3627 | 1036 | { |
181d6902 | 1037 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); |
0b8004aa | 1038 | __le32 *txd = (__le32 *) skb->data; |
95ea3627 ID |
1039 | u32 word; |
1040 | ||
1041 | /* | |
1042 | * Start writing the descriptor words. | |
1043 | */ | |
e01f1ec3 GW |
1044 | rt2x00_desc_read(txd, 0, &word); |
1045 | rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, txdesc->retry_limit); | |
1046 | rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, | |
1047 | test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); | |
1048 | rt2x00_set_field32(&word, TXD_W0_ACK, | |
1049 | test_bit(ENTRY_TXD_ACK, &txdesc->flags)); | |
1050 | rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, | |
1051 | test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); | |
1052 | rt2x00_set_field32(&word, TXD_W0_OFDM, | |
1053 | (txdesc->rate_mode == RATE_MODE_OFDM)); | |
1054 | rt2x00_set_field32(&word, TXD_W0_NEW_SEQ, | |
1055 | test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)); | |
1056 | rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); | |
1057 | rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); | |
1058 | rt2x00_set_field32(&word, TXD_W0_CIPHER, !!txdesc->cipher); | |
1059 | rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx); | |
1060 | rt2x00_desc_write(txd, 0, word); | |
1061 | ||
95ea3627 | 1062 | rt2x00_desc_read(txd, 1, &word); |
dddfb478 | 1063 | rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset); |
181d6902 ID |
1064 | rt2x00_set_field32(&word, TXD_W1_AIFS, txdesc->aifs); |
1065 | rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min); | |
1066 | rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max); | |
95ea3627 ID |
1067 | rt2x00_desc_write(txd, 1, word); |
1068 | ||
1069 | rt2x00_desc_read(txd, 2, &word); | |
181d6902 ID |
1070 | rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->signal); |
1071 | rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->service); | |
1072 | rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW, txdesc->length_low); | |
1073 | rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high); | |
95ea3627 ID |
1074 | rt2x00_desc_write(txd, 2, word); |
1075 | ||
dddfb478 ID |
1076 | if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) { |
1077 | _rt2x00_desc_write(txd, 3, skbdesc->iv[0]); | |
1078 | _rt2x00_desc_write(txd, 4, skbdesc->iv[1]); | |
1079 | } | |
1080 | ||
85b7a8b3 GW |
1081 | /* |
1082 | * Register descriptor details in skb frame descriptor. | |
1083 | */ | |
0b8004aa | 1084 | skbdesc->flags |= SKBDESC_DESC_IN_SKB; |
85b7a8b3 GW |
1085 | skbdesc->desc = txd; |
1086 | skbdesc->desc_len = TXD_DESC_SIZE; | |
95ea3627 ID |
1087 | } |
1088 | ||
bd88a781 ID |
1089 | /* |
1090 | * TX data initialization | |
1091 | */ | |
1092 | static void rt2500usb_beacondone(struct urb *urb); | |
1093 | ||
f224f4ef GW |
1094 | static void rt2500usb_write_beacon(struct queue_entry *entry, |
1095 | struct txentry_desc *txdesc) | |
bd88a781 ID |
1096 | { |
1097 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; | |
1098 | struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev); | |
1099 | struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data; | |
f1ca2167 | 1100 | int pipe = usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint); |
bd88a781 | 1101 | int length; |
d61cb266 | 1102 | u16 reg, reg0; |
bd88a781 | 1103 | |
bd88a781 ID |
1104 | /* |
1105 | * Disable beaconing while we are reloading the beacon data, | |
1106 | * otherwise we might be sending out invalid data. | |
1107 | */ | |
1108 | rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); | |
bd88a781 ID |
1109 | rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0); |
1110 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); | |
1111 | ||
0b8004aa GW |
1112 | /* |
1113 | * Add space for the descriptor in front of the skb. | |
1114 | */ | |
1115 | skb_push(entry->skb, TXD_DESC_SIZE); | |
1116 | memset(entry->skb->data, 0, TXD_DESC_SIZE); | |
1117 | ||
5c3b685c GW |
1118 | /* |
1119 | * Write the TX descriptor for the beacon. | |
1120 | */ | |
1121 | rt2500usb_write_tx_desc(rt2x00dev, entry->skb, txdesc); | |
1122 | ||
1123 | /* | |
1124 | * Dump beacon to userspace through debugfs. | |
1125 | */ | |
1126 | rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb); | |
1127 | ||
bd88a781 ID |
1128 | /* |
1129 | * USB devices cannot blindly pass the skb->len as the | |
1130 | * length of the data to usb_fill_bulk_urb. Pass the skb | |
1131 | * to the driver to determine what the length should be. | |
1132 | */ | |
f1ca2167 | 1133 | length = rt2x00dev->ops->lib->get_tx_data_len(entry); |
bd88a781 ID |
1134 | |
1135 | usb_fill_bulk_urb(bcn_priv->urb, usb_dev, pipe, | |
1136 | entry->skb->data, length, rt2500usb_beacondone, | |
1137 | entry); | |
1138 | ||
1139 | /* | |
1140 | * Second we need to create the guardian byte. | |
1141 | * We only need a single byte, so lets recycle | |
1142 | * the 'flags' field we are not using for beacons. | |
1143 | */ | |
1144 | bcn_priv->guardian_data = 0; | |
1145 | usb_fill_bulk_urb(bcn_priv->guardian_urb, usb_dev, pipe, | |
1146 | &bcn_priv->guardian_data, 1, rt2500usb_beacondone, | |
1147 | entry); | |
1148 | ||
1149 | /* | |
1150 | * Send out the guardian byte. | |
1151 | */ | |
1152 | usb_submit_urb(bcn_priv->guardian_urb, GFP_ATOMIC); | |
d61cb266 GW |
1153 | |
1154 | /* | |
1155 | * Enable beaconing again. | |
1156 | */ | |
1157 | rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); | |
1158 | rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1); | |
1159 | reg0 = reg; | |
1160 | rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1); | |
1161 | /* | |
1162 | * Beacon generation will fail initially. | |
1163 | * To prevent this we need to change the TXRX_CSR19 | |
1164 | * register several times (reg0 is the same as reg | |
1165 | * except for TXRX_CSR19_BEACON_GEN, which is 0 in reg0 | |
1166 | * and 1 in reg). | |
1167 | */ | |
1168 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); | |
1169 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); | |
1170 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); | |
1171 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); | |
1172 | rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); | |
bd88a781 ID |
1173 | } |
1174 | ||
f1ca2167 | 1175 | static int rt2500usb_get_tx_data_len(struct queue_entry *entry) |
dd9fa2d2 ID |
1176 | { |
1177 | int length; | |
1178 | ||
1179 | /* | |
1180 | * The length _must_ be a multiple of 2, | |
1181 | * but it must _not_ be a multiple of the USB packet size. | |
1182 | */ | |
f1ca2167 ID |
1183 | length = roundup(entry->skb->len, 2); |
1184 | length += (2 * !(length % entry->queue->usb_maxpacket)); | |
dd9fa2d2 ID |
1185 | |
1186 | return length; | |
1187 | } | |
1188 | ||
95ea3627 ID |
1189 | /* |
1190 | * RX control handlers | |
1191 | */ | |
181d6902 ID |
1192 | static void rt2500usb_fill_rxdone(struct queue_entry *entry, |
1193 | struct rxdone_entry_desc *rxdesc) | |
95ea3627 | 1194 | { |
dddfb478 | 1195 | struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; |
b8be63ff | 1196 | struct queue_entry_priv_usb *entry_priv = entry->priv_data; |
181d6902 ID |
1197 | struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); |
1198 | __le32 *rxd = | |
1199 | (__le32 *)(entry->skb->data + | |
b8be63ff ID |
1200 | (entry_priv->urb->actual_length - |
1201 | entry->queue->desc_size)); | |
95ea3627 ID |
1202 | u32 word0; |
1203 | u32 word1; | |
1204 | ||
f855c10b | 1205 | /* |
a26cbc65 GW |
1206 | * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of |
1207 | * frame data in rt2x00usb. | |
f855c10b | 1208 | */ |
a26cbc65 | 1209 | memcpy(skbdesc->desc, rxd, skbdesc->desc_len); |
70a96109 | 1210 | rxd = (__le32 *)skbdesc->desc; |
f855c10b ID |
1211 | |
1212 | /* | |
70a96109 | 1213 | * It is now safe to read the descriptor on all architectures. |
f855c10b | 1214 | */ |
95ea3627 ID |
1215 | rt2x00_desc_read(rxd, 0, &word0); |
1216 | rt2x00_desc_read(rxd, 1, &word1); | |
1217 | ||
4150c572 | 1218 | if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) |
181d6902 | 1219 | rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; |
4150c572 | 1220 | if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR)) |
181d6902 | 1221 | rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC; |
95ea3627 | 1222 | |
78b8f3b0 GW |
1223 | rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER); |
1224 | if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR)) | |
1225 | rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY; | |
dddfb478 ID |
1226 | |
1227 | if (rxdesc->cipher != CIPHER_NONE) { | |
1228 | _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]); | |
1229 | _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]); | |
74415edb ID |
1230 | rxdesc->dev_flags |= RXDONE_CRYPTO_IV; |
1231 | ||
dddfb478 ID |
1232 | /* ICV is located at the end of frame */ |
1233 | ||
f3d340c1 | 1234 | rxdesc->flags |= RX_FLAG_MMIC_STRIPPED; |
dddfb478 ID |
1235 | if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS) |
1236 | rxdesc->flags |= RX_FLAG_DECRYPTED; | |
1237 | else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC) | |
1238 | rxdesc->flags |= RX_FLAG_MMIC_ERROR; | |
1239 | } | |
1240 | ||
95ea3627 ID |
1241 | /* |
1242 | * Obtain the status about this packet. | |
89993890 ID |
1243 | * When frame was received with an OFDM bitrate, |
1244 | * the signal is the PLCP value. If it was received with | |
1245 | * a CCK bitrate the signal is the rate in 100kbit/s. | |
95ea3627 | 1246 | */ |
181d6902 | 1247 | rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL); |
dddfb478 ID |
1248 | rxdesc->rssi = |
1249 | rt2x00_get_field32(word1, RXD_W1_RSSI) - rt2x00dev->rssi_offset; | |
181d6902 | 1250 | rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT); |
19d30e02 | 1251 | |
19d30e02 ID |
1252 | if (rt2x00_get_field32(word0, RXD_W0_OFDM)) |
1253 | rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP; | |
6c6aa3c0 ID |
1254 | else |
1255 | rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE; | |
19d30e02 ID |
1256 | if (rt2x00_get_field32(word0, RXD_W0_MY_BSS)) |
1257 | rxdesc->dev_flags |= RXDONE_MY_BSS; | |
7d1de806 | 1258 | |
2ae23854 MN |
1259 | /* |
1260 | * Adjust the skb memory window to the frame boundaries. | |
1261 | */ | |
2ae23854 | 1262 | skb_trim(entry->skb, rxdesc->size); |
95ea3627 ID |
1263 | } |
1264 | ||
1265 | /* | |
1266 | * Interrupt functions. | |
1267 | */ | |
1268 | static void rt2500usb_beacondone(struct urb *urb) | |
1269 | { | |
181d6902 | 1270 | struct queue_entry *entry = (struct queue_entry *)urb->context; |
b8be63ff | 1271 | struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data; |
95ea3627 | 1272 | |
0262ab0d | 1273 | if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags)) |
95ea3627 ID |
1274 | return; |
1275 | ||
1276 | /* | |
1277 | * Check if this was the guardian beacon, | |
1278 | * if that was the case we need to send the real beacon now. | |
1279 | * Otherwise we should free the sk_buffer, the device | |
1280 | * should be doing the rest of the work now. | |
1281 | */ | |
b8be63ff ID |
1282 | if (bcn_priv->guardian_urb == urb) { |
1283 | usb_submit_urb(bcn_priv->urb, GFP_ATOMIC); | |
1284 | } else if (bcn_priv->urb == urb) { | |
181d6902 ID |
1285 | dev_kfree_skb(entry->skb); |
1286 | entry->skb = NULL; | |
95ea3627 ID |
1287 | } |
1288 | } | |
1289 | ||
1290 | /* | |
1291 | * Device probe functions. | |
1292 | */ | |
1293 | static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev) | |
1294 | { | |
1295 | u16 word; | |
1296 | u8 *mac; | |
6bb40dd1 | 1297 | u8 bbp; |
95ea3627 ID |
1298 | |
1299 | rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE); | |
1300 | ||
1301 | /* | |
1302 | * Start validation of the data that has been read. | |
1303 | */ | |
1304 | mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0); | |
1305 | if (!is_valid_ether_addr(mac)) { | |
1306 | random_ether_addr(mac); | |
e174961c | 1307 | EEPROM(rt2x00dev, "MAC: %pM\n", mac); |
95ea3627 ID |
1308 | } |
1309 | ||
1310 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word); | |
1311 | if (word == 0xffff) { | |
1312 | rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2); | |
362f3b6b ID |
1313 | rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, |
1314 | ANTENNA_SW_DIVERSITY); | |
1315 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, | |
1316 | ANTENNA_SW_DIVERSITY); | |
1317 | rt2x00_set_field16(&word, EEPROM_ANTENNA_LED_MODE, | |
1318 | LED_MODE_DEFAULT); | |
95ea3627 ID |
1319 | rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0); |
1320 | rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0); | |
1321 | rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2522); | |
1322 | rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word); | |
1323 | EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word); | |
1324 | } | |
1325 | ||
1326 | rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word); | |
1327 | if (word == 0xffff) { | |
1328 | rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0); | |
1329 | rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0); | |
1330 | rt2x00_set_field16(&word, EEPROM_NIC_CCK_TX_POWER, 0); | |
1331 | rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC, word); | |
1332 | EEPROM(rt2x00dev, "NIC: 0x%04x\n", word); | |
1333 | } | |
1334 | ||
1335 | rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word); | |
1336 | if (word == 0xffff) { | |
1337 | rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI, | |
1338 | DEFAULT_RSSI_OFFSET); | |
1339 | rt2x00_eeprom_write(rt2x00dev, EEPROM_CALIBRATE_OFFSET, word); | |
1340 | EEPROM(rt2x00dev, "Calibrate offset: 0x%04x\n", word); | |
1341 | } | |
1342 | ||
1343 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word); | |
1344 | if (word == 0xffff) { | |
1345 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45); | |
1346 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word); | |
1347 | EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word); | |
1348 | } | |
1349 | ||
6bb40dd1 ID |
1350 | /* |
1351 | * Switch lower vgc bound to current BBP R17 value, | |
1352 | * lower the value a bit for better quality. | |
1353 | */ | |
1354 | rt2500usb_bbp_read(rt2x00dev, 17, &bbp); | |
1355 | bbp -= 6; | |
1356 | ||
95ea3627 ID |
1357 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word); |
1358 | if (word == 0xffff) { | |
1359 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40); | |
6bb40dd1 | 1360 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp); |
95ea3627 ID |
1361 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word); |
1362 | EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word); | |
8d8acd46 ID |
1363 | } else { |
1364 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp); | |
1365 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word); | |
95ea3627 ID |
1366 | } |
1367 | ||
1368 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word); | |
1369 | if (word == 0xffff) { | |
1370 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48); | |
1371 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41); | |
1372 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word); | |
1373 | EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word); | |
1374 | } | |
1375 | ||
1376 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word); | |
1377 | if (word == 0xffff) { | |
1378 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40); | |
1379 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80); | |
1380 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R24, word); | |
1381 | EEPROM(rt2x00dev, "BBPtune r24: 0x%04x\n", word); | |
1382 | } | |
1383 | ||
1384 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word); | |
1385 | if (word == 0xffff) { | |
1386 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40); | |
1387 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50); | |
1388 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R25, word); | |
1389 | EEPROM(rt2x00dev, "BBPtune r25: 0x%04x\n", word); | |
1390 | } | |
1391 | ||
1392 | rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word); | |
1393 | if (word == 0xffff) { | |
1394 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60); | |
1395 | rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d); | |
1396 | rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R61, word); | |
1397 | EEPROM(rt2x00dev, "BBPtune r61: 0x%04x\n", word); | |
1398 | } | |
1399 | ||
1400 | return 0; | |
1401 | } | |
1402 | ||
1403 | static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev) | |
1404 | { | |
1405 | u16 reg; | |
1406 | u16 value; | |
1407 | u16 eeprom; | |
1408 | ||
1409 | /* | |
1410 | * Read EEPROM word for configuration. | |
1411 | */ | |
1412 | rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom); | |
1413 | ||
1414 | /* | |
1415 | * Identify RF chipset. | |
1416 | */ | |
1417 | value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE); | |
1418 | rt2500usb_register_read(rt2x00dev, MAC_CSR0, ®); | |
1419 | rt2x00_set_chip(rt2x00dev, RT2570, value, reg); | |
1420 | ||
49e721ec | 1421 | if (((reg & 0xfff0) != 0) || ((reg & 0x0000000f) == 0)) { |
95ea3627 ID |
1422 | ERROR(rt2x00dev, "Invalid RT chipset detected.\n"); |
1423 | return -ENODEV; | |
1424 | } | |
1425 | ||
5122d898 GW |
1426 | if (!rt2x00_rf(rt2x00dev, RF2522) && |
1427 | !rt2x00_rf(rt2x00dev, RF2523) && | |
1428 | !rt2x00_rf(rt2x00dev, RF2524) && | |
1429 | !rt2x00_rf(rt2x00dev, RF2525) && | |
1430 | !rt2x00_rf(rt2x00dev, RF2525E) && | |
1431 | !rt2x00_rf(rt2x00dev, RF5222)) { | |
95ea3627 ID |
1432 | ERROR(rt2x00dev, "Invalid RF chipset detected.\n"); |
1433 | return -ENODEV; | |
1434 | } | |
1435 | ||
1436 | /* | |
1437 | * Identify default antenna configuration. | |
1438 | */ | |
addc81bd | 1439 | rt2x00dev->default_ant.tx = |
95ea3627 | 1440 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT); |
addc81bd | 1441 | rt2x00dev->default_ant.rx = |
95ea3627 ID |
1442 | rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT); |
1443 | ||
addc81bd ID |
1444 | /* |
1445 | * When the eeprom indicates SW_DIVERSITY use HW_DIVERSITY instead. | |
1446 | * I am not 100% sure about this, but the legacy drivers do not | |
1447 | * indicate antenna swapping in software is required when | |
1448 | * diversity is enabled. | |
1449 | */ | |
1450 | if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY) | |
1451 | rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; | |
1452 | if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY) | |
1453 | rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; | |
1454 | ||
95ea3627 ID |
1455 | /* |
1456 | * Store led mode, for correct led behaviour. | |
1457 | */ | |
771fd565 | 1458 | #ifdef CONFIG_RT2X00_LIB_LEDS |
a9450b70 ID |
1459 | value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE); |
1460 | ||
475433be | 1461 | rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); |
3d3e451f ID |
1462 | if (value == LED_MODE_TXRX_ACTIVITY || |
1463 | value == LED_MODE_DEFAULT || | |
1464 | value == LED_MODE_ASUS) | |
475433be ID |
1465 | rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_qual, |
1466 | LED_TYPE_ACTIVITY); | |
771fd565 | 1467 | #endif /* CONFIG_RT2X00_LIB_LEDS */ |
95ea3627 | 1468 | |
7396faf4 ID |
1469 | /* |
1470 | * Detect if this device has an hardware controlled radio. | |
1471 | */ | |
7396faf4 ID |
1472 | if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO)) |
1473 | __set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags); | |
7396faf4 | 1474 | |
95ea3627 ID |
1475 | /* |
1476 | * Read the RSSI <-> dBm offset information. | |
1477 | */ | |
1478 | rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom); | |
1479 | rt2x00dev->rssi_offset = | |
1480 | rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI); | |
1481 | ||
1482 | return 0; | |
1483 | } | |
1484 | ||
1485 | /* | |
1486 | * RF value list for RF2522 | |
1487 | * Supports: 2.4 GHz | |
1488 | */ | |
1489 | static const struct rf_channel rf_vals_bg_2522[] = { | |
1490 | { 1, 0x00002050, 0x000c1fda, 0x00000101, 0 }, | |
1491 | { 2, 0x00002050, 0x000c1fee, 0x00000101, 0 }, | |
1492 | { 3, 0x00002050, 0x000c2002, 0x00000101, 0 }, | |
1493 | { 4, 0x00002050, 0x000c2016, 0x00000101, 0 }, | |
1494 | { 5, 0x00002050, 0x000c202a, 0x00000101, 0 }, | |
1495 | { 6, 0x00002050, 0x000c203e, 0x00000101, 0 }, | |
1496 | { 7, 0x00002050, 0x000c2052, 0x00000101, 0 }, | |
1497 | { 8, 0x00002050, 0x000c2066, 0x00000101, 0 }, | |
1498 | { 9, 0x00002050, 0x000c207a, 0x00000101, 0 }, | |
1499 | { 10, 0x00002050, 0x000c208e, 0x00000101, 0 }, | |
1500 | { 11, 0x00002050, 0x000c20a2, 0x00000101, 0 }, | |
1501 | { 12, 0x00002050, 0x000c20b6, 0x00000101, 0 }, | |
1502 | { 13, 0x00002050, 0x000c20ca, 0x00000101, 0 }, | |
1503 | { 14, 0x00002050, 0x000c20fa, 0x00000101, 0 }, | |
1504 | }; | |
1505 | ||
1506 | /* | |
1507 | * RF value list for RF2523 | |
1508 | * Supports: 2.4 GHz | |
1509 | */ | |
1510 | static const struct rf_channel rf_vals_bg_2523[] = { | |
1511 | { 1, 0x00022010, 0x00000c9e, 0x000e0111, 0x00000a1b }, | |
1512 | { 2, 0x00022010, 0x00000ca2, 0x000e0111, 0x00000a1b }, | |
1513 | { 3, 0x00022010, 0x00000ca6, 0x000e0111, 0x00000a1b }, | |
1514 | { 4, 0x00022010, 0x00000caa, 0x000e0111, 0x00000a1b }, | |
1515 | { 5, 0x00022010, 0x00000cae, 0x000e0111, 0x00000a1b }, | |
1516 | { 6, 0x00022010, 0x00000cb2, 0x000e0111, 0x00000a1b }, | |
1517 | { 7, 0x00022010, 0x00000cb6, 0x000e0111, 0x00000a1b }, | |
1518 | { 8, 0x00022010, 0x00000cba, 0x000e0111, 0x00000a1b }, | |
1519 | { 9, 0x00022010, 0x00000cbe, 0x000e0111, 0x00000a1b }, | |
1520 | { 10, 0x00022010, 0x00000d02, 0x000e0111, 0x00000a1b }, | |
1521 | { 11, 0x00022010, 0x00000d06, 0x000e0111, 0x00000a1b }, | |
1522 | { 12, 0x00022010, 0x00000d0a, 0x000e0111, 0x00000a1b }, | |
1523 | { 13, 0x00022010, 0x00000d0e, 0x000e0111, 0x00000a1b }, | |
1524 | { 14, 0x00022010, 0x00000d1a, 0x000e0111, 0x00000a03 }, | |
1525 | }; | |
1526 | ||
1527 | /* | |
1528 | * RF value list for RF2524 | |
1529 | * Supports: 2.4 GHz | |
1530 | */ | |
1531 | static const struct rf_channel rf_vals_bg_2524[] = { | |
1532 | { 1, 0x00032020, 0x00000c9e, 0x00000101, 0x00000a1b }, | |
1533 | { 2, 0x00032020, 0x00000ca2, 0x00000101, 0x00000a1b }, | |
1534 | { 3, 0x00032020, 0x00000ca6, 0x00000101, 0x00000a1b }, | |
1535 | { 4, 0x00032020, 0x00000caa, 0x00000101, 0x00000a1b }, | |
1536 | { 5, 0x00032020, 0x00000cae, 0x00000101, 0x00000a1b }, | |
1537 | { 6, 0x00032020, 0x00000cb2, 0x00000101, 0x00000a1b }, | |
1538 | { 7, 0x00032020, 0x00000cb6, 0x00000101, 0x00000a1b }, | |
1539 | { 8, 0x00032020, 0x00000cba, 0x00000101, 0x00000a1b }, | |
1540 | { 9, 0x00032020, 0x00000cbe, 0x00000101, 0x00000a1b }, | |
1541 | { 10, 0x00032020, 0x00000d02, 0x00000101, 0x00000a1b }, | |
1542 | { 11, 0x00032020, 0x00000d06, 0x00000101, 0x00000a1b }, | |
1543 | { 12, 0x00032020, 0x00000d0a, 0x00000101, 0x00000a1b }, | |
1544 | { 13, 0x00032020, 0x00000d0e, 0x00000101, 0x00000a1b }, | |
1545 | { 14, 0x00032020, 0x00000d1a, 0x00000101, 0x00000a03 }, | |
1546 | }; | |
1547 | ||
1548 | /* | |
1549 | * RF value list for RF2525 | |
1550 | * Supports: 2.4 GHz | |
1551 | */ | |
1552 | static const struct rf_channel rf_vals_bg_2525[] = { | |
1553 | { 1, 0x00022020, 0x00080c9e, 0x00060111, 0x00000a1b }, | |
1554 | { 2, 0x00022020, 0x00080ca2, 0x00060111, 0x00000a1b }, | |
1555 | { 3, 0x00022020, 0x00080ca6, 0x00060111, 0x00000a1b }, | |
1556 | { 4, 0x00022020, 0x00080caa, 0x00060111, 0x00000a1b }, | |
1557 | { 5, 0x00022020, 0x00080cae, 0x00060111, 0x00000a1b }, | |
1558 | { 6, 0x00022020, 0x00080cb2, 0x00060111, 0x00000a1b }, | |
1559 | { 7, 0x00022020, 0x00080cb6, 0x00060111, 0x00000a1b }, | |
1560 | { 8, 0x00022020, 0x00080cba, 0x00060111, 0x00000a1b }, | |
1561 | { 9, 0x00022020, 0x00080cbe, 0x00060111, 0x00000a1b }, | |
1562 | { 10, 0x00022020, 0x00080d02, 0x00060111, 0x00000a1b }, | |
1563 | { 11, 0x00022020, 0x00080d06, 0x00060111, 0x00000a1b }, | |
1564 | { 12, 0x00022020, 0x00080d0a, 0x00060111, 0x00000a1b }, | |
1565 | { 13, 0x00022020, 0x00080d0e, 0x00060111, 0x00000a1b }, | |
1566 | { 14, 0x00022020, 0x00080d1a, 0x00060111, 0x00000a03 }, | |
1567 | }; | |
1568 | ||
1569 | /* | |
1570 | * RF value list for RF2525e | |
1571 | * Supports: 2.4 GHz | |
1572 | */ | |
1573 | static const struct rf_channel rf_vals_bg_2525e[] = { | |
1574 | { 1, 0x00022010, 0x0000089a, 0x00060111, 0x00000e1b }, | |
1575 | { 2, 0x00022010, 0x0000089e, 0x00060111, 0x00000e07 }, | |
1576 | { 3, 0x00022010, 0x0000089e, 0x00060111, 0x00000e1b }, | |
1577 | { 4, 0x00022010, 0x000008a2, 0x00060111, 0x00000e07 }, | |
1578 | { 5, 0x00022010, 0x000008a2, 0x00060111, 0x00000e1b }, | |
1579 | { 6, 0x00022010, 0x000008a6, 0x00060111, 0x00000e07 }, | |
1580 | { 7, 0x00022010, 0x000008a6, 0x00060111, 0x00000e1b }, | |
1581 | { 8, 0x00022010, 0x000008aa, 0x00060111, 0x00000e07 }, | |
1582 | { 9, 0x00022010, 0x000008aa, 0x00060111, 0x00000e1b }, | |
1583 | { 10, 0x00022010, 0x000008ae, 0x00060111, 0x00000e07 }, | |
1584 | { 11, 0x00022010, 0x000008ae, 0x00060111, 0x00000e1b }, | |
1585 | { 12, 0x00022010, 0x000008b2, 0x00060111, 0x00000e07 }, | |
1586 | { 13, 0x00022010, 0x000008b2, 0x00060111, 0x00000e1b }, | |
1587 | { 14, 0x00022010, 0x000008b6, 0x00060111, 0x00000e23 }, | |
1588 | }; | |
1589 | ||
1590 | /* | |
1591 | * RF value list for RF5222 | |
1592 | * Supports: 2.4 GHz & 5.2 GHz | |
1593 | */ | |
1594 | static const struct rf_channel rf_vals_5222[] = { | |
1595 | { 1, 0x00022020, 0x00001136, 0x00000101, 0x00000a0b }, | |
1596 | { 2, 0x00022020, 0x0000113a, 0x00000101, 0x00000a0b }, | |
1597 | { 3, 0x00022020, 0x0000113e, 0x00000101, 0x00000a0b }, | |
1598 | { 4, 0x00022020, 0x00001182, 0x00000101, 0x00000a0b }, | |
1599 | { 5, 0x00022020, 0x00001186, 0x00000101, 0x00000a0b }, | |
1600 | { 6, 0x00022020, 0x0000118a, 0x00000101, 0x00000a0b }, | |
1601 | { 7, 0x00022020, 0x0000118e, 0x00000101, 0x00000a0b }, | |
1602 | { 8, 0x00022020, 0x00001192, 0x00000101, 0x00000a0b }, | |
1603 | { 9, 0x00022020, 0x00001196, 0x00000101, 0x00000a0b }, | |
1604 | { 10, 0x00022020, 0x0000119a, 0x00000101, 0x00000a0b }, | |
1605 | { 11, 0x00022020, 0x0000119e, 0x00000101, 0x00000a0b }, | |
1606 | { 12, 0x00022020, 0x000011a2, 0x00000101, 0x00000a0b }, | |
1607 | { 13, 0x00022020, 0x000011a6, 0x00000101, 0x00000a0b }, | |
1608 | { 14, 0x00022020, 0x000011ae, 0x00000101, 0x00000a1b }, | |
1609 | ||
1610 | /* 802.11 UNI / HyperLan 2 */ | |
1611 | { 36, 0x00022010, 0x00018896, 0x00000101, 0x00000a1f }, | |
1612 | { 40, 0x00022010, 0x0001889a, 0x00000101, 0x00000a1f }, | |
1613 | { 44, 0x00022010, 0x0001889e, 0x00000101, 0x00000a1f }, | |
1614 | { 48, 0x00022010, 0x000188a2, 0x00000101, 0x00000a1f }, | |
1615 | { 52, 0x00022010, 0x000188a6, 0x00000101, 0x00000a1f }, | |
1616 | { 66, 0x00022010, 0x000188aa, 0x00000101, 0x00000a1f }, | |
1617 | { 60, 0x00022010, 0x000188ae, 0x00000101, 0x00000a1f }, | |
1618 | { 64, 0x00022010, 0x000188b2, 0x00000101, 0x00000a1f }, | |
1619 | ||
1620 | /* 802.11 HyperLan 2 */ | |
1621 | { 100, 0x00022010, 0x00008802, 0x00000101, 0x00000a0f }, | |
1622 | { 104, 0x00022010, 0x00008806, 0x00000101, 0x00000a0f }, | |
1623 | { 108, 0x00022010, 0x0000880a, 0x00000101, 0x00000a0f }, | |
1624 | { 112, 0x00022010, 0x0000880e, 0x00000101, 0x00000a0f }, | |
1625 | { 116, 0x00022010, 0x00008812, 0x00000101, 0x00000a0f }, | |
1626 | { 120, 0x00022010, 0x00008816, 0x00000101, 0x00000a0f }, | |
1627 | { 124, 0x00022010, 0x0000881a, 0x00000101, 0x00000a0f }, | |
1628 | { 128, 0x00022010, 0x0000881e, 0x00000101, 0x00000a0f }, | |
1629 | { 132, 0x00022010, 0x00008822, 0x00000101, 0x00000a0f }, | |
1630 | { 136, 0x00022010, 0x00008826, 0x00000101, 0x00000a0f }, | |
1631 | ||
1632 | /* 802.11 UNII */ | |
1633 | { 140, 0x00022010, 0x0000882a, 0x00000101, 0x00000a0f }, | |
1634 | { 149, 0x00022020, 0x000090a6, 0x00000101, 0x00000a07 }, | |
1635 | { 153, 0x00022020, 0x000090ae, 0x00000101, 0x00000a07 }, | |
1636 | { 157, 0x00022020, 0x000090b6, 0x00000101, 0x00000a07 }, | |
1637 | { 161, 0x00022020, 0x000090be, 0x00000101, 0x00000a07 }, | |
1638 | }; | |
1639 | ||
8c5e7a5f | 1640 | static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) |
95ea3627 ID |
1641 | { |
1642 | struct hw_mode_spec *spec = &rt2x00dev->spec; | |
8c5e7a5f ID |
1643 | struct channel_info *info; |
1644 | char *tx_power; | |
95ea3627 ID |
1645 | unsigned int i; |
1646 | ||
1647 | /* | |
1648 | * Initialize all hw fields. | |
1649 | */ | |
1650 | rt2x00dev->hw->flags = | |
95ea3627 | 1651 | IEEE80211_HW_RX_INCLUDES_FCS | |
566bfe5a | 1652 | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | |
4be8c387 JB |
1653 | IEEE80211_HW_SIGNAL_DBM | |
1654 | IEEE80211_HW_SUPPORTS_PS | | |
1655 | IEEE80211_HW_PS_NULLFUNC_STACK; | |
566bfe5a | 1656 | |
14a3bf89 | 1657 | SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); |
95ea3627 ID |
1658 | SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, |
1659 | rt2x00_eeprom_addr(rt2x00dev, | |
1660 | EEPROM_MAC_ADDR_0)); | |
1661 | ||
95ea3627 ID |
1662 | /* |
1663 | * Initialize hw_mode information. | |
1664 | */ | |
31562e80 ID |
1665 | spec->supported_bands = SUPPORT_BAND_2GHZ; |
1666 | spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM; | |
95ea3627 | 1667 | |
5122d898 | 1668 | if (rt2x00_rf(rt2x00dev, RF2522)) { |
95ea3627 ID |
1669 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2522); |
1670 | spec->channels = rf_vals_bg_2522; | |
5122d898 | 1671 | } else if (rt2x00_rf(rt2x00dev, RF2523)) { |
95ea3627 ID |
1672 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2523); |
1673 | spec->channels = rf_vals_bg_2523; | |
5122d898 | 1674 | } else if (rt2x00_rf(rt2x00dev, RF2524)) { |
95ea3627 ID |
1675 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2524); |
1676 | spec->channels = rf_vals_bg_2524; | |
5122d898 | 1677 | } else if (rt2x00_rf(rt2x00dev, RF2525)) { |
95ea3627 ID |
1678 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525); |
1679 | spec->channels = rf_vals_bg_2525; | |
5122d898 | 1680 | } else if (rt2x00_rf(rt2x00dev, RF2525E)) { |
95ea3627 ID |
1681 | spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e); |
1682 | spec->channels = rf_vals_bg_2525e; | |
5122d898 | 1683 | } else if (rt2x00_rf(rt2x00dev, RF5222)) { |
31562e80 | 1684 | spec->supported_bands |= SUPPORT_BAND_5GHZ; |
95ea3627 ID |
1685 | spec->num_channels = ARRAY_SIZE(rf_vals_5222); |
1686 | spec->channels = rf_vals_5222; | |
95ea3627 | 1687 | } |
8c5e7a5f ID |
1688 | |
1689 | /* | |
1690 | * Create channel information array | |
1691 | */ | |
1692 | info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL); | |
1693 | if (!info) | |
1694 | return -ENOMEM; | |
1695 | ||
1696 | spec->channels_info = info; | |
1697 | ||
1698 | tx_power = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_START); | |
1699 | for (i = 0; i < 14; i++) | |
1700 | info[i].tx_power1 = TXPOWER_FROM_DEV(tx_power[i]); | |
1701 | ||
1702 | if (spec->num_channels > 14) { | |
1703 | for (i = 14; i < spec->num_channels; i++) | |
1704 | info[i].tx_power1 = DEFAULT_TXPOWER; | |
1705 | } | |
1706 | ||
1707 | return 0; | |
95ea3627 ID |
1708 | } |
1709 | ||
1710 | static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev) | |
1711 | { | |
1712 | int retval; | |
1713 | ||
1714 | /* | |
1715 | * Allocate eeprom data. | |
1716 | */ | |
1717 | retval = rt2500usb_validate_eeprom(rt2x00dev); | |
1718 | if (retval) | |
1719 | return retval; | |
1720 | ||
1721 | retval = rt2500usb_init_eeprom(rt2x00dev); | |
1722 | if (retval) | |
1723 | return retval; | |
1724 | ||
1725 | /* | |
1726 | * Initialize hw specifications. | |
1727 | */ | |
8c5e7a5f ID |
1728 | retval = rt2500usb_probe_hw_mode(rt2x00dev); |
1729 | if (retval) | |
1730 | return retval; | |
95ea3627 ID |
1731 | |
1732 | /* | |
181d6902 | 1733 | * This device requires the atim queue |
95ea3627 | 1734 | */ |
181d6902 ID |
1735 | __set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags); |
1736 | __set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags); | |
dddfb478 ID |
1737 | if (!modparam_nohwcrypt) { |
1738 | __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); | |
3f787bd6 | 1739 | __set_bit(DRIVER_REQUIRE_COPY_IV, &rt2x00dev->flags); |
dddfb478 | 1740 | } |
c965c74b | 1741 | __set_bit(DRIVER_SUPPORT_WATCHDOG, &rt2x00dev->flags); |
95ea3627 ID |
1742 | |
1743 | /* | |
1744 | * Set the rssi offset. | |
1745 | */ | |
1746 | rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET; | |
1747 | ||
1748 | return 0; | |
1749 | } | |
1750 | ||
95ea3627 ID |
1751 | static const struct ieee80211_ops rt2500usb_mac80211_ops = { |
1752 | .tx = rt2x00mac_tx, | |
4150c572 JB |
1753 | .start = rt2x00mac_start, |
1754 | .stop = rt2x00mac_stop, | |
95ea3627 ID |
1755 | .add_interface = rt2x00mac_add_interface, |
1756 | .remove_interface = rt2x00mac_remove_interface, | |
1757 | .config = rt2x00mac_config, | |
3a643d24 | 1758 | .configure_filter = rt2x00mac_configure_filter, |
930c06f2 | 1759 | .set_tim = rt2x00mac_set_tim, |
dddfb478 | 1760 | .set_key = rt2x00mac_set_key, |
d8147f9d ID |
1761 | .sw_scan_start = rt2x00mac_sw_scan_start, |
1762 | .sw_scan_complete = rt2x00mac_sw_scan_complete, | |
95ea3627 | 1763 | .get_stats = rt2x00mac_get_stats, |
471b3efd | 1764 | .bss_info_changed = rt2x00mac_bss_info_changed, |
95ea3627 | 1765 | .conf_tx = rt2x00mac_conf_tx, |
e47a5cdd | 1766 | .rfkill_poll = rt2x00mac_rfkill_poll, |
95ea3627 ID |
1767 | }; |
1768 | ||
1769 | static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = { | |
1770 | .probe_hw = rt2500usb_probe_hw, | |
1771 | .initialize = rt2x00usb_initialize, | |
1772 | .uninitialize = rt2x00usb_uninitialize, | |
798b7adb | 1773 | .clear_entry = rt2x00usb_clear_entry, |
95ea3627 | 1774 | .set_device_state = rt2500usb_set_device_state, |
7396faf4 | 1775 | .rfkill_poll = rt2500usb_rfkill_poll, |
95ea3627 ID |
1776 | .link_stats = rt2500usb_link_stats, |
1777 | .reset_tuner = rt2500usb_reset_tuner, | |
c965c74b | 1778 | .watchdog = rt2x00usb_watchdog, |
95ea3627 | 1779 | .write_tx_desc = rt2500usb_write_tx_desc, |
bd88a781 | 1780 | .write_beacon = rt2500usb_write_beacon, |
dd9fa2d2 | 1781 | .get_tx_data_len = rt2500usb_get_tx_data_len, |
d61cb266 | 1782 | .kick_tx_queue = rt2x00usb_kick_tx_queue, |
a2c9b652 | 1783 | .kill_tx_queue = rt2x00usb_kill_tx_queue, |
95ea3627 | 1784 | .fill_rxdone = rt2500usb_fill_rxdone, |
dddfb478 ID |
1785 | .config_shared_key = rt2500usb_config_key, |
1786 | .config_pairwise_key = rt2500usb_config_key, | |
3a643d24 | 1787 | .config_filter = rt2500usb_config_filter, |
6bb40dd1 | 1788 | .config_intf = rt2500usb_config_intf, |
72810379 | 1789 | .config_erp = rt2500usb_config_erp, |
e4ea1c40 | 1790 | .config_ant = rt2500usb_config_ant, |
95ea3627 ID |
1791 | .config = rt2500usb_config, |
1792 | }; | |
1793 | ||
181d6902 ID |
1794 | static const struct data_queue_desc rt2500usb_queue_rx = { |
1795 | .entry_num = RX_ENTRIES, | |
1796 | .data_size = DATA_FRAME_SIZE, | |
1797 | .desc_size = RXD_DESC_SIZE, | |
b8be63ff | 1798 | .priv_size = sizeof(struct queue_entry_priv_usb), |
181d6902 ID |
1799 | }; |
1800 | ||
1801 | static const struct data_queue_desc rt2500usb_queue_tx = { | |
1802 | .entry_num = TX_ENTRIES, | |
1803 | .data_size = DATA_FRAME_SIZE, | |
1804 | .desc_size = TXD_DESC_SIZE, | |
b8be63ff | 1805 | .priv_size = sizeof(struct queue_entry_priv_usb), |
181d6902 ID |
1806 | }; |
1807 | ||
1808 | static const struct data_queue_desc rt2500usb_queue_bcn = { | |
1809 | .entry_num = BEACON_ENTRIES, | |
1810 | .data_size = MGMT_FRAME_SIZE, | |
1811 | .desc_size = TXD_DESC_SIZE, | |
1812 | .priv_size = sizeof(struct queue_entry_priv_usb_bcn), | |
1813 | }; | |
1814 | ||
1815 | static const struct data_queue_desc rt2500usb_queue_atim = { | |
1816 | .entry_num = ATIM_ENTRIES, | |
1817 | .data_size = DATA_FRAME_SIZE, | |
1818 | .desc_size = TXD_DESC_SIZE, | |
b8be63ff | 1819 | .priv_size = sizeof(struct queue_entry_priv_usb), |
181d6902 ID |
1820 | }; |
1821 | ||
95ea3627 | 1822 | static const struct rt2x00_ops rt2500usb_ops = { |
04d0362e GW |
1823 | .name = KBUILD_MODNAME, |
1824 | .max_sta_intf = 1, | |
1825 | .max_ap_intf = 1, | |
1826 | .eeprom_size = EEPROM_SIZE, | |
1827 | .rf_size = RF_SIZE, | |
1828 | .tx_queues = NUM_TX_QUEUES, | |
e6218cc4 | 1829 | .extra_tx_headroom = TXD_DESC_SIZE, |
04d0362e GW |
1830 | .rx = &rt2500usb_queue_rx, |
1831 | .tx = &rt2500usb_queue_tx, | |
1832 | .bcn = &rt2500usb_queue_bcn, | |
1833 | .atim = &rt2500usb_queue_atim, | |
1834 | .lib = &rt2500usb_rt2x00_ops, | |
1835 | .hw = &rt2500usb_mac80211_ops, | |
95ea3627 | 1836 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
04d0362e | 1837 | .debugfs = &rt2500usb_rt2x00debug, |
95ea3627 ID |
1838 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
1839 | }; | |
1840 | ||
1841 | /* | |
1842 | * rt2500usb module information. | |
1843 | */ | |
1844 | static struct usb_device_id rt2500usb_device_table[] = { | |
1845 | /* ASUS */ | |
1846 | { USB_DEVICE(0x0b05, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1847 | { USB_DEVICE(0x0b05, 0x1707), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1848 | /* Belkin */ | |
1849 | { USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1850 | { USB_DEVICE(0x050d, 0x7051), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1851 | { USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1852 | /* Cisco Systems */ | |
1853 | { USB_DEVICE(0x13b1, 0x000d), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1854 | { USB_DEVICE(0x13b1, 0x0011), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1855 | { USB_DEVICE(0x13b1, 0x001a), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
9eb77ab0 XVP |
1856 | /* CNet */ |
1857 | { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
95ea3627 ID |
1858 | /* Conceptronic */ |
1859 | { USB_DEVICE(0x14b2, 0x3c02), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1860 | /* D-LINK */ | |
1861 | { USB_DEVICE(0x2001, 0x3c00), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1862 | /* Gigabyte */ | |
1863 | { USB_DEVICE(0x1044, 0x8001), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1864 | { USB_DEVICE(0x1044, 0x8007), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1865 | /* Hercules */ | |
1866 | { USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1867 | /* Melco */ | |
db433feb | 1868 | { USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) }, |
95ea3627 ID |
1869 | { USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) }, |
1870 | { USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1871 | { USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1872 | { USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
95ea3627 ID |
1873 | /* MSI */ |
1874 | { USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1875 | { USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1876 | { USB_DEVICE(0x0db0, 0x6869), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1877 | /* Ralink */ | |
1878 | { USB_DEVICE(0x148f, 0x1706), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1879 | { USB_DEVICE(0x148f, 0x2570), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1880 | { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1881 | { USB_DEVICE(0x148f, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
9eb77ab0 XVP |
1882 | /* Sagem */ |
1883 | { USB_DEVICE(0x079b, 0x004b), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
95ea3627 ID |
1884 | /* Siemens */ |
1885 | { USB_DEVICE(0x0681, 0x3c06), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1886 | /* SMC */ | |
1887 | { USB_DEVICE(0x0707, 0xee13), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1888 | /* Spairon */ | |
1889 | { USB_DEVICE(0x114b, 0x0110), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
9eb77ab0 XVP |
1890 | /* SURECOM */ |
1891 | { USB_DEVICE(0x0769, 0x11f3), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
95ea3627 ID |
1892 | /* Trust */ |
1893 | { USB_DEVICE(0x0eb0, 0x9020), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
9eb77ab0 XVP |
1894 | /* VTech */ |
1895 | { USB_DEVICE(0x0f88, 0x3012), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
95ea3627 ID |
1896 | /* Zinwell */ |
1897 | { USB_DEVICE(0x5a57, 0x0260), USB_DEVICE_DATA(&rt2500usb_ops) }, | |
1898 | { 0, } | |
1899 | }; | |
1900 | ||
1901 | MODULE_AUTHOR(DRV_PROJECT); | |
1902 | MODULE_VERSION(DRV_VERSION); | |
1903 | MODULE_DESCRIPTION("Ralink RT2500 USB Wireless LAN driver."); | |
1904 | MODULE_SUPPORTED_DEVICE("Ralink RT2570 USB chipset based cards"); | |
1905 | MODULE_DEVICE_TABLE(usb, rt2500usb_device_table); | |
1906 | MODULE_LICENSE("GPL"); | |
1907 | ||
1908 | static struct usb_driver rt2500usb_driver = { | |
2360157c | 1909 | .name = KBUILD_MODNAME, |
95ea3627 ID |
1910 | .id_table = rt2500usb_device_table, |
1911 | .probe = rt2x00usb_probe, | |
1912 | .disconnect = rt2x00usb_disconnect, | |
1913 | .suspend = rt2x00usb_suspend, | |
1914 | .resume = rt2x00usb_resume, | |
1915 | }; | |
1916 | ||
1917 | static int __init rt2500usb_init(void) | |
1918 | { | |
1919 | return usb_register(&rt2500usb_driver); | |
1920 | } | |
1921 | ||
1922 | static void __exit rt2500usb_exit(void) | |
1923 | { | |
1924 | usb_deregister(&rt2500usb_driver); | |
1925 | } | |
1926 | ||
1927 | module_init(rt2500usb_init); | |
1928 | module_exit(rt2500usb_exit); |