Commit | Line | Data |
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1ccea77e | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
95ea3627 | 2 | /* |
7e613e16 ID |
3 | Copyright (C) 2010 Willow Garage <http://www.willowgarage.com> |
4 | Copyright (C) 2004 - 2010 Ivo van Doorn <IvDoorn@gmail.com> | |
9c9a0d14 | 5 | Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com> |
95ea3627 ID |
6 | <http://rt2x00.serialmonkey.com> |
7 | ||
95ea3627 ID |
8 | */ |
9 | ||
10 | /* | |
11 | Module: rt2x00 | |
12 | Abstract: rt2x00 global information. | |
13 | */ | |
14 | ||
15 | #ifndef RT2X00_H | |
16 | #define RT2X00_H | |
17 | ||
18 | #include <linux/bitops.h> | |
a6b7a407 | 19 | #include <linux/interrupt.h> |
95ea3627 ID |
20 | #include <linux/skbuff.h> |
21 | #include <linux/workqueue.h> | |
22 | #include <linux/firmware.h> | |
a9450b70 | 23 | #include <linux/leds.h> |
3d82346c | 24 | #include <linux/mutex.h> |
61af43c5 | 25 | #include <linux/etherdevice.h> |
cca3e998 | 26 | #include <linux/input-polldev.h> |
96c3da7d | 27 | #include <linux/kfifo.h> |
f421111b | 28 | #include <linux/hrtimer.h> |
1dc254ac | 29 | #include <linux/average.h> |
8b4c0009 | 30 | #include <linux/usb.h> |
34db70b9 | 31 | #include <linux/clk.h> |
95ea3627 ID |
32 | |
33 | #include <net/mac80211.h> | |
34 | ||
35 | #include "rt2x00debug.h" | |
b4df4708 | 36 | #include "rt2x00dump.h" |
a9450b70 | 37 | #include "rt2x00leds.h" |
95ea3627 | 38 | #include "rt2x00reg.h" |
181d6902 | 39 | #include "rt2x00queue.h" |
95ea3627 ID |
40 | |
41 | /* | |
42 | * Module information. | |
95ea3627 | 43 | */ |
754be309 | 44 | #define DRV_VERSION "2.3.0" |
95ea3627 ID |
45 | #define DRV_PROJECT "http://rt2x00.serialmonkey.com" |
46 | ||
ec9c4989 | 47 | /* Debug definitions. |
95ea3627 ID |
48 | * Debug output has to be enabled during compile time. |
49 | */ | |
95ea3627 | 50 | #ifdef CONFIG_RT2X00_DEBUG |
ec9c4989 | 51 | #define DEBUG |
95ea3627 ID |
52 | #endif /* CONFIG_RT2X00_DEBUG */ |
53 | ||
ec9c4989 JP |
54 | /* Utility printing macros |
55 | * rt2x00_probe_err is for messages when rt2x00_dev is uninitialized | |
95ea3627 | 56 | */ |
ec9c4989 JP |
57 | #define rt2x00_probe_err(fmt, ...) \ |
58 | printk(KERN_ERR KBUILD_MODNAME ": %s: Error - " fmt, \ | |
59 | __func__, ##__VA_ARGS__) | |
60 | #define rt2x00_err(dev, fmt, ...) \ | |
bb3b18c9 | 61 | wiphy_err_ratelimited((dev)->hw->wiphy, "%s: Error - " fmt, \ |
ec9c4989 JP |
62 | __func__, ##__VA_ARGS__) |
63 | #define rt2x00_warn(dev, fmt, ...) \ | |
bb3b18c9 | 64 | wiphy_warn_ratelimited((dev)->hw->wiphy, "%s: Warning - " fmt, \ |
ec9c4989 JP |
65 | __func__, ##__VA_ARGS__) |
66 | #define rt2x00_info(dev, fmt, ...) \ | |
67 | wiphy_info((dev)->hw->wiphy, "%s: Info - " fmt, \ | |
68 | __func__, ##__VA_ARGS__) | |
69 | ||
70 | /* Various debug levels */ | |
71 | #define rt2x00_dbg(dev, fmt, ...) \ | |
72 | wiphy_dbg((dev)->hw->wiphy, "%s: Debug - " fmt, \ | |
73 | __func__, ##__VA_ARGS__) | |
74 | #define rt2x00_eeprom_dbg(dev, fmt, ...) \ | |
75 | wiphy_dbg((dev)->hw->wiphy, "%s: EEPROM recovery - " fmt, \ | |
76 | __func__, ##__VA_ARGS__) | |
95ea3627 | 77 | |
bad13639 ID |
78 | /* |
79 | * Duration calculations | |
80 | * The rate variable passed is: 100kbs. | |
81 | * To convert from bytes to bits we multiply size with 8, | |
82 | * then the size is multiplied with 10 to make the | |
83 | * real rate -> rate argument correction. | |
84 | */ | |
85 | #define GET_DURATION(__size, __rate) (((__size) * 8 * 10) / (__rate)) | |
86 | #define GET_DURATION_RES(__size, __rate)(((__size) * 8 * 10) % (__rate)) | |
87 | ||
77e73d18 GW |
88 | /* |
89 | * Determine the number of L2 padding bytes required between the header and | |
90 | * the payload. | |
91 | */ | |
92 | #define L2PAD_SIZE(__hdrlen) (-(__hdrlen) & 3) | |
93 | ||
9f166171 ID |
94 | /* |
95 | * Determine the alignment requirement, | |
96 | * to make sure the 802.11 payload is padded to a 4-byte boundrary | |
97 | * we must determine the address of the payload and calculate the | |
98 | * amount of bytes needed to move the data. | |
99 | */ | |
100 | #define ALIGN_SIZE(__skb, __header) \ | |
b2cc2dd8 | 101 | (((unsigned long)((__skb)->data + (__header))) & 3) |
9f166171 | 102 | |
7a4a77b7 GW |
103 | /* |
104 | * Constants for extra TX headroom for alignment purposes. | |
105 | */ | |
106 | #define RT2X00_ALIGN_SIZE 4 /* Only whole frame needs alignment */ | |
107 | #define RT2X00_L2PAD_SIZE 8 /* Both header & payload need alignment */ | |
108 | ||
95ea3627 ID |
109 | /* |
110 | * Standard timing and size defines. | |
111 | * These values should follow the ieee80211 specifications. | |
112 | */ | |
113 | #define ACK_SIZE 14 | |
114 | #define IEEE80211_HEADER 24 | |
115 | #define PLCP 48 | |
116 | #define BEACON 100 | |
117 | #define PREAMBLE 144 | |
118 | #define SHORT_PREAMBLE 72 | |
119 | #define SLOT_TIME 20 | |
120 | #define SHORT_SLOT_TIME 9 | |
121 | #define SIFS 10 | |
b2cc2dd8 PM |
122 | #define PIFS (SIFS + SLOT_TIME) |
123 | #define SHORT_PIFS (SIFS + SHORT_SLOT_TIME) | |
124 | #define DIFS (PIFS + SLOT_TIME) | |
125 | #define SHORT_DIFS (SHORT_PIFS + SHORT_SLOT_TIME) | |
126 | #define EIFS (SIFS + DIFS + \ | |
127 | GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10)) | |
128 | #define SHORT_EIFS (SIFS + SHORT_DIFS + \ | |
129 | GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10)) | |
95ea3627 | 130 | |
5822e070 BZ |
131 | enum rt2x00_chip_intf { |
132 | RT2X00_CHIP_INTF_PCI, | |
6e1fdd11 | 133 | RT2X00_CHIP_INTF_PCIE, |
5822e070 | 134 | RT2X00_CHIP_INTF_USB, |
cea90e55 | 135 | RT2X00_CHIP_INTF_SOC, |
5822e070 BZ |
136 | }; |
137 | ||
95ea3627 ID |
138 | /* |
139 | * Chipset identification | |
140 | * The chipset on the device is composed of a RT and RF chip. | |
141 | * The chipset combination is important for determining device capabilities. | |
142 | */ | |
143 | struct rt2x00_chip { | |
144 | u16 rt; | |
49e721ec GW |
145 | #define RT2460 0x2460 |
146 | #define RT2560 0x2560 | |
147 | #define RT2570 0x2570 | |
148 | #define RT2661 0x2661 | |
149 | #define RT2573 0x2573 | |
5ed8f458 | 150 | #define RT2860 0x2860 /* 2.4GHz */ |
e148b4c8 | 151 | #define RT2872 0x2872 /* WSOC */ |
49e721ec | 152 | #define RT2883 0x2883 /* WSOC */ |
49e721ec GW |
153 | #define RT3070 0x3070 |
154 | #define RT3071 0x3071 | |
a9b3a9f7 | 155 | #define RT3090 0x3090 /* 2.4GHz PCIe */ |
a89534ed | 156 | #define RT3290 0x3290 |
03839951 | 157 | #define RT3352 0x3352 /* WSOC */ |
49e721ec GW |
158 | #define RT3390 0x3390 |
159 | #define RT3572 0x3572 | |
5a87e7a7 | 160 | #define RT3593 0x3593 |
e148b4c8 | 161 | #define RT3883 0x3883 /* WSOC */ |
98e71f44 | 162 | #define RT5350 0x5350 /* WSOC 2.4GHz */ |
70127cb6 | 163 | #define RT5390 0x5390 /* 2.4GHz */ |
2ed71884 | 164 | #define RT5392 0x5392 /* 2.4GHz */ |
b8863f8b | 165 | #define RT5592 0x5592 |
41977e86 | 166 | #define RT6352 0x6352 /* WSOC 2.4GHz */ |
95ea3627 ID |
167 | |
168 | u16 rf; | |
49e721ec | 169 | u16 rev; |
5822e070 BZ |
170 | |
171 | enum rt2x00_chip_intf intf; | |
95ea3627 ID |
172 | }; |
173 | ||
174 | /* | |
175 | * RF register values that belong to a particular channel. | |
176 | */ | |
177 | struct rf_channel { | |
178 | int channel; | |
179 | u32 rf1; | |
180 | u32 rf2; | |
181 | u32 rf3; | |
182 | u32 rf4; | |
183 | }; | |
184 | ||
8c5e7a5f ID |
185 | /* |
186 | * Channel information structure | |
187 | */ | |
188 | struct channel_info { | |
189 | unsigned int flags; | |
190 | #define GEOGRAPHY_ALLOWED 0x00000001 | |
191 | ||
8d1331b3 ID |
192 | short max_power; |
193 | short default_power1; | |
194 | short default_power2; | |
c0a14369 | 195 | short default_power3; |
8c5e7a5f ID |
196 | }; |
197 | ||
addc81bd ID |
198 | /* |
199 | * Antenna setup values. | |
200 | */ | |
201 | struct antenna_setup { | |
202 | enum antenna rx; | |
203 | enum antenna tx; | |
d96aa640 RJH |
204 | u8 rx_chain_num; |
205 | u8 tx_chain_num; | |
addc81bd ID |
206 | }; |
207 | ||
95ea3627 | 208 | /* |
ebcf26da | 209 | * Quality statistics about the currently active link. |
95ea3627 | 210 | */ |
ebcf26da | 211 | struct link_qual { |
95ea3627 | 212 | /* |
5352ff65 ID |
213 | * Statistics required for Link tuning by driver |
214 | * The rssi value is provided by rt2x00lib during the | |
215 | * link_tuner() callback function. | |
216 | * The false_cca field is filled during the link_stats() | |
217 | * callback function and could be used during the | |
218 | * link_tuner() callback function. | |
95ea3627 | 219 | */ |
5352ff65 | 220 | int rssi; |
95ea3627 ID |
221 | int false_cca; |
222 | ||
223 | /* | |
5352ff65 ID |
224 | * VGC levels |
225 | * Hardware driver will tune the VGC level during each call | |
226 | * to the link_tuner() callback function. This vgc_level is | |
227 | * is determined based on the link quality statistics like | |
228 | * average RSSI and the false CCA count. | |
95ea3627 | 229 | * |
5352ff65 ID |
230 | * In some cases the drivers need to differentiate between |
231 | * the currently "desired" VGC level and the level configured | |
232 | * in the hardware. The latter is important to reduce the | |
233 | * number of BBP register reads to reduce register access | |
234 | * overhead. For this reason we store both values here. | |
235 | */ | |
236 | u8 vgc_level; | |
237 | u8 vgc_level_reg; | |
238 | ||
239 | /* | |
240 | * Statistics required for Signal quality calculation. | |
241 | * These fields might be changed during the link_stats() | |
242 | * callback function. | |
95ea3627 | 243 | */ |
95ea3627 ID |
244 | int rx_success; |
245 | int rx_failed; | |
95ea3627 ID |
246 | int tx_success; |
247 | int tx_failed; | |
ebcf26da ID |
248 | }; |
249 | ||
eb1e011a | 250 | DECLARE_EWMA(rssi, 10, 8) |
11ab35ed | 251 | |
69f81a2c ID |
252 | /* |
253 | * Antenna settings about the currently active link. | |
254 | */ | |
255 | struct link_ant { | |
256 | /* | |
257 | * Antenna flags | |
258 | */ | |
259 | unsigned int flags; | |
260 | #define ANTENNA_RX_DIVERSITY 0x00000001 | |
261 | #define ANTENNA_TX_DIVERSITY 0x00000002 | |
262 | #define ANTENNA_MODE_SAMPLE 0x00000004 | |
263 | ||
264 | /* | |
265 | * Currently active TX/RX antenna setup. | |
266 | * When software diversity is used, this will indicate | |
267 | * which antenna is actually used at this time. | |
268 | */ | |
269 | struct antenna_setup active; | |
270 | ||
271 | /* | |
193df183 LE |
272 | * RSSI history information for the antenna. |
273 | * Used to determine when to switch antenna | |
274 | * when using software diversity. | |
69f81a2c | 275 | */ |
193df183 | 276 | int rssi_history; |
69f81a2c ID |
277 | |
278 | /* | |
279 | * Current RSSI average of the currently active antenna. | |
280 | * Similar to the avg_rssi in the link_qual structure | |
281 | * this value is updated by using the walking average. | |
282 | */ | |
11ab35ed | 283 | struct ewma_rssi rssi_ant; |
69f81a2c ID |
284 | }; |
285 | ||
ebcf26da ID |
286 | /* |
287 | * To optimize the quality of the link we need to store | |
288 | * the quality of received frames and periodically | |
289 | * optimize the link. | |
290 | */ | |
291 | struct link { | |
292 | /* | |
293 | * Link tuner counter | |
294 | * The number of times the link has been tuned | |
295 | * since the radio has been switched on. | |
296 | */ | |
297 | u32 count; | |
298 | ||
299 | /* | |
300 | * Quality measurement values. | |
301 | */ | |
302 | struct link_qual qual; | |
303 | ||
addc81bd | 304 | /* |
69f81a2c | 305 | * TX/RX antenna setup. |
addc81bd | 306 | */ |
69f81a2c | 307 | struct link_ant ant; |
addc81bd | 308 | |
ebcf26da | 309 | /* |
5352ff65 | 310 | * Currently active average RSSI value |
ebcf26da | 311 | */ |
11ab35ed | 312 | struct ewma_rssi avg_rssi; |
eb20b4e8 | 313 | |
95ea3627 ID |
314 | /* |
315 | * Work structure for scheduling periodic link tuning. | |
316 | */ | |
317 | struct delayed_work work; | |
c965c74b ID |
318 | |
319 | /* | |
320 | * Work structure for scheduling periodic watchdog monitoring. | |
cdfd2c5c ID |
321 | * This work must be scheduled on the kernel workqueue, while |
322 | * all other work structures must be queued on the mac80211 | |
323 | * workqueue. This guarantees that the watchdog can schedule | |
324 | * other work structures and wait for their completion in order | |
325 | * to bring the device/driver back into the desired state. | |
c965c74b ID |
326 | */ |
327 | struct delayed_work watchdog_work; | |
9e33a355 HS |
328 | |
329 | /* | |
330 | * Work structure for scheduling periodic AGC adjustments. | |
331 | */ | |
332 | struct delayed_work agc_work; | |
2e9c43dd JL |
333 | |
334 | /* | |
335 | * Work structure for scheduling periodic VCO calibration. | |
336 | */ | |
337 | struct delayed_work vco_work; | |
95ea3627 ID |
338 | }; |
339 | ||
bfe6a15d HS |
340 | enum rt2x00_delayed_flags { |
341 | DELAYED_UPDATE_BEACON, | |
342 | }; | |
343 | ||
95ea3627 ID |
344 | /* |
345 | * Interface structure | |
6bb40dd1 ID |
346 | * Per interface configuration details, this structure |
347 | * is allocated as the private data for ieee80211_vif. | |
95ea3627 | 348 | */ |
6bb40dd1 | 349 | struct rt2x00_intf { |
17512dc3 IP |
350 | /* |
351 | * beacon->skb must be protected with the mutex. | |
352 | */ | |
353 | struct mutex beacon_skb_mutex; | |
354 | ||
6bb40dd1 ID |
355 | /* |
356 | * Entry in the beacon queue which belongs to | |
357 | * this interface. Each interface has its own | |
358 | * dedicated beacon entry. | |
359 | */ | |
360 | struct queue_entry *beacon; | |
69cf36a4 | 361 | bool enable_beacon; |
95ea3627 | 362 | |
6bb40dd1 ID |
363 | /* |
364 | * Actions that needed rescheduling. | |
365 | */ | |
bfe6a15d | 366 | unsigned long delayed_flags; |
f591fa5d | 367 | |
d4764b29 ID |
368 | /* |
369 | * Software sequence counter, this is only required | |
370 | * for hardware which doesn't support hardware | |
371 | * sequence counting. | |
372 | */ | |
e5851dac | 373 | atomic_t seqno; |
6bb40dd1 ID |
374 | }; |
375 | ||
376 | static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif) | |
95ea3627 | 377 | { |
6bb40dd1 | 378 | return (struct rt2x00_intf *)vif->drv_priv; |
95ea3627 ID |
379 | } |
380 | ||
31562e80 ID |
381 | /** |
382 | * struct hw_mode_spec: Hardware specifications structure | |
383 | * | |
95ea3627 ID |
384 | * Details about the supported modes, rates and channels |
385 | * of a particular chipset. This is used by rt2x00lib | |
386 | * to build the ieee80211_hw_mode array for mac80211. | |
31562e80 ID |
387 | * |
388 | * @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz). | |
389 | * @supported_rates: Rate types which are supported (CCK, OFDM). | |
390 | * @num_channels: Number of supported channels. This is used as array size | |
391 | * for @tx_power_a, @tx_power_bg and @channels. | |
9a46d44e | 392 | * @channels: Device/chipset specific channel values (See &struct rf_channel). |
8c5e7a5f | 393 | * @channels_info: Additional information for channels (See &struct channel_info). |
35f00cfc | 394 | * @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap). |
95ea3627 ID |
395 | */ |
396 | struct hw_mode_spec { | |
31562e80 ID |
397 | unsigned int supported_bands; |
398 | #define SUPPORT_BAND_2GHZ 0x00000001 | |
399 | #define SUPPORT_BAND_5GHZ 0x00000002 | |
400 | ||
401 | unsigned int supported_rates; | |
402 | #define SUPPORT_RATE_CCK 0x00000001 | |
403 | #define SUPPORT_RATE_OFDM 0x00000002 | |
404 | ||
405 | unsigned int num_channels; | |
406 | const struct rf_channel *channels; | |
8c5e7a5f | 407 | const struct channel_info *channels_info; |
35f00cfc ID |
408 | |
409 | struct ieee80211_sta_ht_cap ht; | |
95ea3627 ID |
410 | }; |
411 | ||
5c58ee51 ID |
412 | /* |
413 | * Configuration structure wrapper around the | |
414 | * mac80211 configuration structure. | |
415 | * When mac80211 configures the driver, rt2x00lib | |
416 | * can precalculate values which are equal for all | |
417 | * rt2x00 drivers. Those values can be stored in here. | |
418 | */ | |
419 | struct rt2x00lib_conf { | |
420 | struct ieee80211_conf *conf; | |
8c5e7a5f | 421 | |
5c58ee51 | 422 | struct rf_channel rf; |
8c5e7a5f | 423 | struct channel_info channel; |
5c58ee51 ID |
424 | }; |
425 | ||
72810379 ID |
426 | /* |
427 | * Configuration structure for erp settings. | |
428 | */ | |
429 | struct rt2x00lib_erp { | |
430 | int short_preamble; | |
e360c4cb | 431 | int cts_protection; |
72810379 | 432 | |
881d948c | 433 | u32 basic_rates; |
e4ea1c40 ID |
434 | |
435 | int slot_time; | |
436 | ||
437 | short sifs; | |
438 | short pifs; | |
439 | short difs; | |
440 | short eifs; | |
8a566afe ID |
441 | |
442 | u16 beacon_int; | |
87c1915d | 443 | u16 ht_opmode; |
72810379 ID |
444 | }; |
445 | ||
2bb057d0 ID |
446 | /* |
447 | * Configuration structure for hardware encryption. | |
448 | */ | |
449 | struct rt2x00lib_crypto { | |
450 | enum cipher cipher; | |
451 | ||
452 | enum set_key_cmd cmd; | |
453 | const u8 *address; | |
454 | ||
455 | u32 bssidx; | |
2bb057d0 ID |
456 | |
457 | u8 key[16]; | |
458 | u8 tx_mic[8]; | |
459 | u8 rx_mic[8]; | |
f03fcfc1 HS |
460 | |
461 | int wcid; | |
2bb057d0 ID |
462 | }; |
463 | ||
6bb40dd1 ID |
464 | /* |
465 | * Configuration structure wrapper around the | |
466 | * rt2x00 interface configuration handler. | |
467 | */ | |
468 | struct rt2x00intf_conf { | |
469 | /* | |
470 | * Interface type | |
471 | */ | |
05c914fe | 472 | enum nl80211_iftype type; |
6bb40dd1 ID |
473 | |
474 | /* | |
25985edc | 475 | * TSF sync value, this is dependent on the operation type. |
6bb40dd1 ID |
476 | */ |
477 | enum tsf_sync sync; | |
478 | ||
479 | /* | |
25985edc LDM |
480 | * The MAC and BSSID addresses are simple array of bytes, |
481 | * these arrays are little endian, so when sending the addresses | |
6bb40dd1 ID |
482 | * to the drivers, copy the it into a endian-signed variable. |
483 | * | |
484 | * Note that all devices (except rt2500usb) have 32 bits | |
485 | * register word sizes. This means that whatever variable we | |
486 | * pass _must_ be a multiple of 32 bits. Otherwise the device | |
487 | * might not accept what we are sending to it. | |
488 | * This will also make it easier for the driver to write | |
489 | * the data to the device. | |
490 | */ | |
491 | __le32 mac[2]; | |
492 | __le32 bssid[2]; | |
493 | }; | |
494 | ||
b4943d81 HS |
495 | /* |
496 | * Private structure for storing STA details | |
497 | * wcid: Wireless Client ID | |
498 | */ | |
499 | struct rt2x00_sta { | |
500 | int wcid; | |
501 | }; | |
502 | ||
503 | static inline struct rt2x00_sta* sta_to_rt2x00_sta(struct ieee80211_sta *sta) | |
504 | { | |
505 | return (struct rt2x00_sta *)sta->drv_priv; | |
506 | } | |
507 | ||
95ea3627 ID |
508 | /* |
509 | * rt2x00lib callback functions. | |
510 | */ | |
511 | struct rt2x00lib_ops { | |
512 | /* | |
513 | * Interrupt handlers. | |
514 | */ | |
515 | irq_handler_t irq_handler; | |
516 | ||
96c3da7d HS |
517 | /* |
518 | * TX status tasklet handler. | |
519 | */ | |
520 | void (*txstatus_tasklet) (unsigned long data); | |
c5c65761 HS |
521 | void (*pretbtt_tasklet) (unsigned long data); |
522 | void (*tbtt_tasklet) (unsigned long data); | |
523 | void (*rxdone_tasklet) (unsigned long data); | |
524 | void (*autowake_tasklet) (unsigned long data); | |
96c3da7d | 525 | |
95ea3627 ID |
526 | /* |
527 | * Device init handlers. | |
528 | */ | |
529 | int (*probe_hw) (struct rt2x00_dev *rt2x00dev); | |
530 | char *(*get_firmware_name) (struct rt2x00_dev *rt2x00dev); | |
0cbe0064 ID |
531 | int (*check_firmware) (struct rt2x00_dev *rt2x00dev, |
532 | const u8 *data, const size_t len); | |
533 | int (*load_firmware) (struct rt2x00_dev *rt2x00dev, | |
534 | const u8 *data, const size_t len); | |
95ea3627 ID |
535 | |
536 | /* | |
537 | * Device initialization/deinitialization handlers. | |
538 | */ | |
539 | int (*initialize) (struct rt2x00_dev *rt2x00dev); | |
540 | void (*uninitialize) (struct rt2x00_dev *rt2x00dev); | |
541 | ||
837e7f24 | 542 | /* |
181d6902 | 543 | * queue initialization handlers |
837e7f24 | 544 | */ |
798b7adb ID |
545 | bool (*get_entry_state) (struct queue_entry *entry); |
546 | void (*clear_entry) (struct queue_entry *entry); | |
837e7f24 | 547 | |
95ea3627 ID |
548 | /* |
549 | * Radio control handlers. | |
550 | */ | |
551 | int (*set_device_state) (struct rt2x00_dev *rt2x00dev, | |
552 | enum dev_state state); | |
553 | int (*rfkill_poll) (struct rt2x00_dev *rt2x00dev); | |
ebcf26da ID |
554 | void (*link_stats) (struct rt2x00_dev *rt2x00dev, |
555 | struct link_qual *qual); | |
5352ff65 ID |
556 | void (*reset_tuner) (struct rt2x00_dev *rt2x00dev, |
557 | struct link_qual *qual); | |
558 | void (*link_tuner) (struct rt2x00_dev *rt2x00dev, | |
559 | struct link_qual *qual, const u32 count); | |
9e33a355 | 560 | void (*gain_calibration) (struct rt2x00_dev *rt2x00dev); |
2e9c43dd | 561 | void (*vco_calibration) (struct rt2x00_dev *rt2x00dev); |
dbba306f ID |
562 | |
563 | /* | |
564 | * Data queue handlers. | |
565 | */ | |
c965c74b | 566 | void (*watchdog) (struct rt2x00_dev *rt2x00dev); |
dbba306f ID |
567 | void (*start_queue) (struct data_queue *queue); |
568 | void (*kick_queue) (struct data_queue *queue); | |
569 | void (*stop_queue) (struct data_queue *queue); | |
152a5992 | 570 | void (*flush_queue) (struct data_queue *queue, bool drop); |
0e0d39e5 | 571 | void (*tx_dma_done) (struct queue_entry *entry); |
95ea3627 ID |
572 | |
573 | /* | |
574 | * TX control handlers | |
575 | */ | |
93331458 | 576 | void (*write_tx_desc) (struct queue_entry *entry, |
61486e0f | 577 | struct txentry_desc *txdesc); |
76dd5ddf GW |
578 | void (*write_tx_data) (struct queue_entry *entry, |
579 | struct txentry_desc *txdesc); | |
f224f4ef GW |
580 | void (*write_beacon) (struct queue_entry *entry, |
581 | struct txentry_desc *txdesc); | |
69cf36a4 | 582 | void (*clear_beacon) (struct queue_entry *entry); |
f1ca2167 | 583 | int (*get_tx_data_len) (struct queue_entry *entry); |
95ea3627 ID |
584 | |
585 | /* | |
586 | * RX control handlers | |
587 | */ | |
181d6902 ID |
588 | void (*fill_rxdone) (struct queue_entry *entry, |
589 | struct rxdone_entry_desc *rxdesc); | |
95ea3627 ID |
590 | |
591 | /* | |
592 | * Configuration handlers. | |
593 | */ | |
2bb057d0 ID |
594 | int (*config_shared_key) (struct rt2x00_dev *rt2x00dev, |
595 | struct rt2x00lib_crypto *crypto, | |
596 | struct ieee80211_key_conf *key); | |
597 | int (*config_pairwise_key) (struct rt2x00_dev *rt2x00dev, | |
598 | struct rt2x00lib_crypto *crypto, | |
599 | struct ieee80211_key_conf *key); | |
3a643d24 ID |
600 | void (*config_filter) (struct rt2x00_dev *rt2x00dev, |
601 | const unsigned int filter_flags); | |
6bb40dd1 ID |
602 | void (*config_intf) (struct rt2x00_dev *rt2x00dev, |
603 | struct rt2x00_intf *intf, | |
604 | struct rt2x00intf_conf *conf, | |
605 | const unsigned int flags); | |
606 | #define CONFIG_UPDATE_TYPE ( 1 << 1 ) | |
607 | #define CONFIG_UPDATE_MAC ( 1 << 2 ) | |
608 | #define CONFIG_UPDATE_BSSID ( 1 << 3 ) | |
609 | ||
3a643d24 | 610 | void (*config_erp) (struct rt2x00_dev *rt2x00dev, |
02044643 HS |
611 | struct rt2x00lib_erp *erp, |
612 | u32 changed); | |
e4ea1c40 ID |
613 | void (*config_ant) (struct rt2x00_dev *rt2x00dev, |
614 | struct antenna_setup *ant); | |
6bb40dd1 ID |
615 | void (*config) (struct rt2x00_dev *rt2x00dev, |
616 | struct rt2x00lib_conf *libconf, | |
e4ea1c40 | 617 | const unsigned int changed_flags); |
b4943d81 HS |
618 | int (*sta_add) (struct rt2x00_dev *rt2x00dev, |
619 | struct ieee80211_vif *vif, | |
620 | struct ieee80211_sta *sta); | |
621 | int (*sta_remove) (struct rt2x00_dev *rt2x00dev, | |
8f03a7c6 | 622 | struct ieee80211_sta *sta); |
95ea3627 ID |
623 | }; |
624 | ||
625 | /* | |
626 | * rt2x00 driver callback operation structure. | |
627 | */ | |
628 | struct rt2x00_ops { | |
629 | const char *name; | |
1ebbc485 | 630 | const unsigned int drv_data_size; |
6bb40dd1 | 631 | const unsigned int max_ap_intf; |
95ea3627 ID |
632 | const unsigned int eeprom_size; |
633 | const unsigned int rf_size; | |
61448f88 | 634 | const unsigned int tx_queues; |
25bf6ce4 | 635 | void (*queue_init)(struct data_queue *queue); |
95ea3627 | 636 | const struct rt2x00lib_ops *lib; |
e796643e | 637 | const void *drv; |
95ea3627 ID |
638 | const struct ieee80211_ops *hw; |
639 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS | |
640 | const struct rt2x00debug *debugfs; | |
641 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ | |
642 | }; | |
643 | ||
483272f5 | 644 | /* |
7dab73b3 | 645 | * rt2x00 state flags |
483272f5 | 646 | */ |
7dab73b3 | 647 | enum rt2x00_state_flags { |
483272f5 | 648 | /* |
7dab73b3 | 649 | * Device flags |
483272f5 | 650 | */ |
0262ab0d ID |
651 | DEVICE_STATE_PRESENT, |
652 | DEVICE_STATE_REGISTERED_HW, | |
653 | DEVICE_STATE_INITIALIZED, | |
654 | DEVICE_STATE_STARTED, | |
0262ab0d | 655 | DEVICE_STATE_ENABLED_RADIO, |
d8147f9d | 656 | DEVICE_STATE_SCANNING, |
adf26a35 | 657 | DEVICE_STATE_FLUSHING, |
483272f5 | 658 | |
2bb057d0 ID |
659 | /* |
660 | * Driver configuration | |
661 | */ | |
35f00cfc | 662 | CONFIG_CHANNEL_HT40, |
1c0bcf89 | 663 | CONFIG_POWERSAVING, |
da40f407 | 664 | CONFIG_HT_DISABLED, |
262c741e | 665 | CONFIG_MONITORING, |
f421111b SG |
666 | |
667 | /* | |
668 | * Mark we currently are sequentially reading TX_STA_FIFO register | |
669 | * FIXME: this is for only rt2800usb, should go to private data | |
670 | */ | |
671 | TX_STATUS_READING, | |
483272f5 ID |
672 | }; |
673 | ||
7dab73b3 ID |
674 | /* |
675 | * rt2x00 capability flags | |
676 | */ | |
677 | enum rt2x00_capability_flags { | |
678 | /* | |
679 | * Requirements | |
680 | */ | |
681 | REQUIRE_FIRMWARE, | |
682 | REQUIRE_BEACON_GUARD, | |
683 | REQUIRE_ATIM_QUEUE, | |
684 | REQUIRE_DMA, | |
685 | REQUIRE_COPY_IV, | |
686 | REQUIRE_L2PAD, | |
687 | REQUIRE_TXSTATUS_FIFO, | |
688 | REQUIRE_TASKLET_CONTEXT, | |
689 | REQUIRE_SW_SEQNO, | |
690 | REQUIRE_HT_TX_DESC, | |
1c0bcf89 | 691 | REQUIRE_PS_AUTOWAKE, |
616a8394 | 692 | REQUIRE_DELAYED_RFKILL, |
7dab73b3 ID |
693 | |
694 | /* | |
695 | * Capabilities | |
696 | */ | |
697 | CAPABILITY_HW_BUTTON, | |
698 | CAPABILITY_HW_CRYPTO, | |
699 | CAPABILITY_POWER_LIMIT, | |
700 | CAPABILITY_CONTROL_FILTERS, | |
701 | CAPABILITY_CONTROL_FILTER_PSPOLL, | |
702 | CAPABILITY_PRE_TBTT_INTERRUPT, | |
703 | CAPABILITY_LINK_TUNING, | |
704 | CAPABILITY_FRAME_TYPE, | |
705 | CAPABILITY_RF_SEQUENCE, | |
706 | CAPABILITY_EXTERNAL_LNA_A, | |
707 | CAPABILITY_EXTERNAL_LNA_BG, | |
708 | CAPABILITY_DOUBLE_ANTENNA, | |
fdbc7b0a | 709 | CAPABILITY_BT_COEXIST, |
2e9c43dd | 710 | CAPABILITY_VCO_RECALIBRATION, |
1f242a3d DG |
711 | CAPABILITY_EXTERNAL_PA_TX0, |
712 | CAPABILITY_EXTERNAL_PA_TX1, | |
7dab73b3 ID |
713 | }; |
714 | ||
55d2e9da GW |
715 | /* |
716 | * Interface combinations | |
717 | */ | |
718 | enum { | |
719 | IF_COMB_AP = 0, | |
720 | NUM_IF_COMB, | |
721 | }; | |
722 | ||
95ea3627 ID |
723 | /* |
724 | * rt2x00 device structure. | |
725 | */ | |
726 | struct rt2x00_dev { | |
727 | /* | |
728 | * Device structure. | |
729 | * The structure stored in here depends on the | |
730 | * system bus (PCI or USB). | |
731 | * When accessing this variable, the rt2x00dev_{pci,usb} | |
49513481 | 732 | * macros should be used for correct typecasting. |
95ea3627 | 733 | */ |
14a3bf89 | 734 | struct device *dev; |
95ea3627 ID |
735 | |
736 | /* | |
737 | * Callback functions. | |
738 | */ | |
739 | const struct rt2x00_ops *ops; | |
740 | ||
1ebbc485 GW |
741 | /* |
742 | * Driver data. | |
743 | */ | |
744 | void *drv_data; | |
745 | ||
95ea3627 ID |
746 | /* |
747 | * IEEE80211 control structure. | |
748 | */ | |
749 | struct ieee80211_hw *hw; | |
57fbcce3 JB |
750 | struct ieee80211_supported_band bands[NUM_NL80211_BANDS]; |
751 | enum nl80211_band curr_band; | |
e5ef5bad | 752 | int curr_freq; |
95ea3627 | 753 | |
95ea3627 ID |
754 | /* |
755 | * If enabled, the debugfs interface structures | |
756 | * required for deregistration of debugfs. | |
757 | */ | |
758 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS | |
4d8dd66c | 759 | struct rt2x00debug_intf *debugfs_intf; |
95ea3627 ID |
760 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
761 | ||
a9450b70 ID |
762 | /* |
763 | * LED structure for changing the LED status | |
764 | * by mac8011 or the kernel. | |
765 | */ | |
766 | #ifdef CONFIG_RT2X00_LIB_LEDS | |
a9450b70 ID |
767 | struct rt2x00_led led_radio; |
768 | struct rt2x00_led led_assoc; | |
769 | struct rt2x00_led led_qual; | |
770 | u16 led_mcu_reg; | |
771 | #endif /* CONFIG_RT2X00_LIB_LEDS */ | |
772 | ||
95ea3627 | 773 | /* |
7dab73b3 ID |
774 | * Device state flags. |
775 | * In these flags the current status is stored. | |
776 | * Access to these flags should occur atomically. | |
95ea3627 ID |
777 | */ |
778 | unsigned long flags; | |
95ea3627 | 779 | |
7dab73b3 ID |
780 | /* |
781 | * Device capabiltiy flags. | |
782 | * In these flags the device/driver capabilities are stored. | |
783 | * Access to these flags should occur non-atomically. | |
784 | */ | |
785 | unsigned long cap_flags; | |
786 | ||
440ddada ID |
787 | /* |
788 | * Device information, Bus IRQ and name (PCI, SoC) | |
789 | */ | |
790 | int irq; | |
791 | const char *name; | |
792 | ||
95ea3627 ID |
793 | /* |
794 | * Chipset identification. | |
795 | */ | |
796 | struct rt2x00_chip chip; | |
797 | ||
798 | /* | |
799 | * hw capability specifications. | |
800 | */ | |
801 | struct hw_mode_spec spec; | |
802 | ||
addc81bd ID |
803 | /* |
804 | * This is the default TX/RX antenna setup as indicated | |
6d64360a | 805 | * by the device's EEPROM. |
addc81bd ID |
806 | */ |
807 | struct antenna_setup default_ant; | |
808 | ||
95ea3627 ID |
809 | /* |
810 | * Register pointers | |
21795094 ID |
811 | * csr.base: CSR base register address. (PCI) |
812 | * csr.cache: CSR cache for usb_control_msg. (USB) | |
95ea3627 | 813 | */ |
21795094 ID |
814 | union csr { |
815 | void __iomem *base; | |
816 | void *cache; | |
817 | } csr; | |
95ea3627 | 818 | |
3d82346c | 819 | /* |
8ff48a8b ID |
820 | * Mutex to protect register accesses. |
821 | * For PCI and USB devices it protects against concurrent indirect | |
822 | * register access (BBP, RF, MCU) since accessing those | |
823 | * registers require multiple calls to the CSR registers. | |
824 | * For USB devices it also protects the csr_cache since that | |
825 | * field is used for normal CSR access and it cannot support | |
826 | * multiple callers simultaneously. | |
827 | */ | |
828 | struct mutex csr_mutex; | |
3d82346c | 829 | |
c7d1c777 SG |
830 | /* |
831 | * Mutex to synchronize config and link tuner. | |
832 | */ | |
833 | struct mutex conf_mutex; | |
3c4f2085 ID |
834 | /* |
835 | * Current packet filter configuration for the device. | |
836 | * This contains all currently active FIF_* flags send | |
837 | * to us by mac80211 during configure_filter(). | |
838 | */ | |
839 | unsigned int packet_filter; | |
840 | ||
95ea3627 | 841 | /* |
6bb40dd1 ID |
842 | * Interface details: |
843 | * - Open ap interface count. | |
844 | * - Open sta interface count. | |
845 | * - Association count. | |
69cf36a4 | 846 | * - Beaconing enabled count. |
95ea3627 | 847 | */ |
6bb40dd1 ID |
848 | unsigned int intf_ap_count; |
849 | unsigned int intf_sta_count; | |
850 | unsigned int intf_associated; | |
69cf36a4 | 851 | unsigned int intf_beaconing; |
95ea3627 | 852 | |
55d2e9da GW |
853 | /* |
854 | * Interface combinations | |
855 | */ | |
856 | struct ieee80211_iface_limit if_limits_ap; | |
857 | struct ieee80211_iface_combination if_combinations[NUM_IF_COMB]; | |
858 | ||
95ea3627 ID |
859 | /* |
860 | * Link quality | |
861 | */ | |
862 | struct link link; | |
863 | ||
864 | /* | |
865 | * EEPROM data. | |
866 | */ | |
867 | __le16 *eeprom; | |
868 | ||
869 | /* | |
870 | * Active RF register values. | |
871 | * These are stored here so we don't need | |
872 | * to read the rf registers and can directly | |
873 | * use this value instead. | |
874 | * This field should be accessed by using | |
875 | * rt2x00_rf_read() and rt2x00_rf_write(). | |
876 | */ | |
877 | u32 *rf; | |
878 | ||
ba2ab471 ID |
879 | /* |
880 | * LNA gain | |
881 | */ | |
882 | short lna_gain; | |
883 | ||
95ea3627 ID |
884 | /* |
885 | * Current TX power value. | |
886 | */ | |
887 | u16 tx_power; | |
888 | ||
42c82857 ID |
889 | /* |
890 | * Current retry values. | |
891 | */ | |
892 | u8 short_retry; | |
893 | u8 long_retry; | |
894 | ||
95ea3627 ID |
895 | /* |
896 | * Rssi <-> Dbm offset | |
897 | */ | |
898 | u8 rssi_offset; | |
899 | ||
900 | /* | |
bef453dc | 901 | * Frequency offset. |
95ea3627 ID |
902 | */ |
903 | u8 freq_offset; | |
904 | ||
1c0bcf89 ID |
905 | /* |
906 | * Association id. | |
907 | */ | |
908 | u16 aid; | |
909 | ||
6b347bff ID |
910 | /* |
911 | * Beacon interval. | |
912 | */ | |
913 | u16 beacon_int; | |
914 | ||
1c0bcf89 ID |
915 | /** |
916 | * Timestamp of last received beacon | |
917 | */ | |
918 | unsigned long last_beacon; | |
919 | ||
95ea3627 ID |
920 | /* |
921 | * Low level statistics which will have | |
922 | * to be kept up to date while device is running. | |
923 | */ | |
924 | struct ieee80211_low_level_stats low_level_stats; | |
925 | ||
0439f536 ID |
926 | /** |
927 | * Work queue for all work which should not be placed | |
928 | * on the mac80211 workqueue (because of dependencies | |
929 | * between various work structures). | |
930 | */ | |
931 | struct workqueue_struct *workqueue; | |
932 | ||
95ea3627 | 933 | /* |
4150c572 | 934 | * Scheduled work. |
8e260c22 ID |
935 | * NOTE: intf_work will use ieee80211_iterate_active_interfaces() |
936 | * which means it cannot be placed on the hw->workqueue | |
937 | * due to RTNL locking requirements. | |
95ea3627 | 938 | */ |
6bb40dd1 | 939 | struct work_struct intf_work; |
95ea3627 | 940 | |
7e613e16 ID |
941 | /** |
942 | * Scheduled work for TX/RX done handling (USB devices) | |
943 | */ | |
944 | struct work_struct rxdone_work; | |
945 | struct work_struct txdone_work; | |
946 | ||
1c0bcf89 ID |
947 | /* |
948 | * Powersaving work | |
949 | */ | |
950 | struct delayed_work autowakeup_work; | |
ed66ba47 | 951 | struct work_struct sleep_work; |
1c0bcf89 | 952 | |
95ea3627 | 953 | /* |
e74df4a7 | 954 | * Data queue arrays for RX, TX, Beacon and ATIM. |
95ea3627 | 955 | */ |
b869767b | 956 | unsigned int data_queues; |
181d6902 ID |
957 | struct data_queue *rx; |
958 | struct data_queue *tx; | |
959 | struct data_queue *bcn; | |
e74df4a7 | 960 | struct data_queue *atim; |
95ea3627 ID |
961 | |
962 | /* | |
963 | * Firmware image. | |
964 | */ | |
965 | const struct firmware *fw; | |
ee134fcc | 966 | |
96c3da7d HS |
967 | /* |
968 | * FIFO for storing tx status reports between isr and tasklet. | |
969 | */ | |
c4d63244 | 970 | DECLARE_KFIFO_PTR(txstatus_fifo, u32); |
96c3da7d | 971 | |
f0187a19 JS |
972 | /* |
973 | * Timer to ensure tx status reports are read (rt2800usb). | |
974 | */ | |
f421111b | 975 | struct hrtimer txstatus_timer; |
f0187a19 | 976 | |
96c3da7d HS |
977 | /* |
978 | * Tasklet for processing tx status reports (rt2800pci). | |
979 | */ | |
980 | struct tasklet_struct txstatus_tasklet; | |
c5c65761 HS |
981 | struct tasklet_struct pretbtt_tasklet; |
982 | struct tasklet_struct tbtt_tasklet; | |
983 | struct tasklet_struct rxdone_tasklet; | |
984 | struct tasklet_struct autowake_tasklet; | |
985 | ||
2e9c43dd JL |
986 | /* |
987 | * Used for VCO periodic calibration. | |
988 | */ | |
989 | int rf_channel; | |
990 | ||
c5c65761 HS |
991 | /* |
992 | * Protect the interrupt mask register. | |
993 | */ | |
994 | spinlock_t irqmask_lock; | |
84e9e8eb HS |
995 | |
996 | /* | |
997 | * List of BlockAckReq TX entries that need driver BlockAck processing. | |
998 | */ | |
999 | struct list_head bar_list; | |
1000 | spinlock_t bar_list_lock; | |
5616a6ef GJ |
1001 | |
1002 | /* Extra TX headroom required for alignment purposes. */ | |
1003 | unsigned int extra_tx_headroom; | |
8b4c0009 VT |
1004 | |
1005 | struct usb_anchor *anchor; | |
e383c704 | 1006 | unsigned int num_proto_errs; |
34db70b9 SG |
1007 | |
1008 | /* Clock for System On Chip devices. */ | |
1009 | struct clk *clk; | |
84e9e8eb HS |
1010 | }; |
1011 | ||
1012 | struct rt2x00_bar_list_entry { | |
1013 | struct list_head list; | |
1014 | struct rcu_head head; | |
1015 | ||
1016 | struct queue_entry *entry; | |
1017 | int block_acked; | |
1018 | ||
1019 | /* Relevant parts of the IEEE80211 BAR header */ | |
1020 | __u8 ra[6]; | |
1021 | __u8 ta[6]; | |
1022 | __le16 control; | |
1023 | __le16 start_seq_num; | |
95ea3627 ID |
1024 | }; |
1025 | ||
1f285f14 BZ |
1026 | /* |
1027 | * Register defines. | |
1028 | * Some registers require multiple attempts before success, | |
1029 | * in those cases REGISTER_BUSY_COUNT attempts should be | |
7a5a7352 SG |
1030 | * taken with a REGISTER_BUSY_DELAY interval. Due to USB |
1031 | * bus delays, we do not have to loop so many times to wait | |
1032 | * for valid register value on that bus. | |
1f285f14 | 1033 | */ |
ae4ecb9f | 1034 | #define REGISTER_BUSY_COUNT 100 |
7a5a7352 | 1035 | #define REGISTER_USB_BUSY_COUNT 20 |
1f285f14 BZ |
1036 | #define REGISTER_BUSY_DELAY 100 |
1037 | ||
95ea3627 ID |
1038 | /* |
1039 | * Generic RF access. | |
1040 | * The RF is being accessed by word index. | |
1041 | */ | |
aea8baa1 AB |
1042 | static inline u32 rt2x00_rf_read(struct rt2x00_dev *rt2x00dev, |
1043 | const unsigned int word) | |
6b81745e AB |
1044 | { |
1045 | BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32)); | |
1046 | return rt2x00dev->rf[word - 1]; | |
1047 | } | |
1048 | ||
0e14f6d3 | 1049 | static inline void rt2x00_rf_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
1050 | const unsigned int word, u32 data) |
1051 | { | |
6b26dead PR |
1052 | BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32)); |
1053 | rt2x00dev->rf[word - 1] = data; | |
95ea3627 ID |
1054 | } |
1055 | ||
1056 | /* | |
8756130b | 1057 | * Generic EEPROM access. The EEPROM is being accessed by word or byte index. |
95ea3627 | 1058 | */ |
0e14f6d3 | 1059 | static inline void *rt2x00_eeprom_addr(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
1060 | const unsigned int word) |
1061 | { | |
1062 | return (void *)&rt2x00dev->eeprom[word]; | |
1063 | } | |
1064 | ||
38651683 AB |
1065 | static inline u16 rt2x00_eeprom_read(struct rt2x00_dev *rt2x00dev, |
1066 | const unsigned int word) | |
6b81745e AB |
1067 | { |
1068 | return le16_to_cpu(rt2x00dev->eeprom[word]); | |
1069 | } | |
1070 | ||
0e14f6d3 | 1071 | static inline void rt2x00_eeprom_write(struct rt2x00_dev *rt2x00dev, |
95ea3627 ID |
1072 | const unsigned int word, u16 data) |
1073 | { | |
1074 | rt2x00dev->eeprom[word] = cpu_to_le16(data); | |
1075 | } | |
1076 | ||
8756130b SG |
1077 | static inline u8 rt2x00_eeprom_byte(struct rt2x00_dev *rt2x00dev, |
1078 | const unsigned int byte) | |
1079 | { | |
1080 | return *(((u8 *)rt2x00dev->eeprom) + byte); | |
1081 | } | |
1082 | ||
95ea3627 ID |
1083 | /* |
1084 | * Chipset handlers | |
1085 | */ | |
1086 | static inline void rt2x00_set_chip(struct rt2x00_dev *rt2x00dev, | |
49e721ec | 1087 | const u16 rt, const u16 rf, const u16 rev) |
95ea3627 | 1088 | { |
95ea3627 ID |
1089 | rt2x00dev->chip.rt = rt; |
1090 | rt2x00dev->chip.rf = rf; | |
1091 | rt2x00dev->chip.rev = rev; | |
440ddada | 1092 | |
ec9c4989 JP |
1093 | rt2x00_info(rt2x00dev, "Chipset detected - rt: %04x, rf: %04x, rev: %04x\n", |
1094 | rt2x00dev->chip.rt, rt2x00dev->chip.rf, | |
1095 | rt2x00dev->chip.rev); | |
16475b09 GW |
1096 | } |
1097 | ||
5ce69003 GJ |
1098 | static inline void rt2x00_set_rt(struct rt2x00_dev *rt2x00dev, |
1099 | const u16 rt, const u16 rev) | |
1100 | { | |
1101 | rt2x00dev->chip.rt = rt; | |
1102 | rt2x00dev->chip.rev = rev; | |
1103 | ||
ec9c4989 JP |
1104 | rt2x00_info(rt2x00dev, "RT chipset %04x, rev %04x detected\n", |
1105 | rt2x00dev->chip.rt, rt2x00dev->chip.rev); | |
5ce69003 GJ |
1106 | } |
1107 | ||
1108 | static inline void rt2x00_set_rf(struct rt2x00_dev *rt2x00dev, const u16 rf) | |
1109 | { | |
1110 | rt2x00dev->chip.rf = rf; | |
1111 | ||
ec9c4989 JP |
1112 | rt2x00_info(rt2x00dev, "RF chipset %04x detected\n", |
1113 | rt2x00dev->chip.rf); | |
5ce69003 GJ |
1114 | } |
1115 | ||
8d0c9b65 | 1116 | static inline bool rt2x00_rt(struct rt2x00_dev *rt2x00dev, const u16 rt) |
95ea3627 | 1117 | { |
5122d898 | 1118 | return (rt2x00dev->chip.rt == rt); |
95ea3627 ID |
1119 | } |
1120 | ||
8d0c9b65 | 1121 | static inline bool rt2x00_rf(struct rt2x00_dev *rt2x00dev, const u16 rf) |
95ea3627 | 1122 | { |
5122d898 | 1123 | return (rt2x00dev->chip.rf == rf); |
95ea3627 ID |
1124 | } |
1125 | ||
49e721ec | 1126 | static inline u16 rt2x00_rev(struct rt2x00_dev *rt2x00dev) |
95ea3627 | 1127 | { |
5122d898 | 1128 | return rt2x00dev->chip.rev; |
95ea3627 ID |
1129 | } |
1130 | ||
8d0c9b65 GW |
1131 | static inline bool rt2x00_rt_rev(struct rt2x00_dev *rt2x00dev, |
1132 | const u16 rt, const u16 rev) | |
1133 | { | |
1134 | return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) == rev); | |
1135 | } | |
1136 | ||
1137 | static inline bool rt2x00_rt_rev_lt(struct rt2x00_dev *rt2x00dev, | |
1138 | const u16 rt, const u16 rev) | |
1139 | { | |
1140 | return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) < rev); | |
1141 | } | |
1142 | ||
1143 | static inline bool rt2x00_rt_rev_gte(struct rt2x00_dev *rt2x00dev, | |
1144 | const u16 rt, const u16 rev) | |
1145 | { | |
1146 | return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) >= rev); | |
1147 | } | |
1148 | ||
5822e070 BZ |
1149 | static inline void rt2x00_set_chip_intf(struct rt2x00_dev *rt2x00dev, |
1150 | enum rt2x00_chip_intf intf) | |
1151 | { | |
1152 | rt2x00dev->chip.intf = intf; | |
1153 | } | |
1154 | ||
5122d898 | 1155 | static inline bool rt2x00_intf(struct rt2x00_dev *rt2x00dev, |
5822e070 BZ |
1156 | enum rt2x00_chip_intf intf) |
1157 | { | |
5122d898 | 1158 | return (rt2x00dev->chip.intf == intf); |
5822e070 BZ |
1159 | } |
1160 | ||
cea90e55 | 1161 | static inline bool rt2x00_is_pci(struct rt2x00_dev *rt2x00dev) |
5822e070 | 1162 | { |
6e1fdd11 GW |
1163 | return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI) || |
1164 | rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE); | |
1165 | } | |
1166 | ||
1167 | static inline bool rt2x00_is_pcie(struct rt2x00_dev *rt2x00dev) | |
1168 | { | |
1169 | return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE); | |
5822e070 BZ |
1170 | } |
1171 | ||
cea90e55 | 1172 | static inline bool rt2x00_is_usb(struct rt2x00_dev *rt2x00dev) |
5822e070 | 1173 | { |
5122d898 | 1174 | return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_USB); |
5822e070 BZ |
1175 | } |
1176 | ||
cea90e55 GW |
1177 | static inline bool rt2x00_is_soc(struct rt2x00_dev *rt2x00dev) |
1178 | { | |
1179 | return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC); | |
1180 | } | |
1181 | ||
a44d0141 GJ |
1182 | /* Helpers for capability flags */ |
1183 | ||
1184 | static inline bool | |
1185 | rt2x00_has_cap_flag(struct rt2x00_dev *rt2x00dev, | |
1186 | enum rt2x00_capability_flags cap_flag) | |
1187 | { | |
1188 | return test_bit(cap_flag, &rt2x00dev->cap_flags); | |
1189 | } | |
1190 | ||
1191 | static inline bool | |
1192 | rt2x00_has_cap_hw_crypto(struct rt2x00_dev *rt2x00dev) | |
1193 | { | |
1194 | return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_HW_CRYPTO); | |
1195 | } | |
1196 | ||
1197 | static inline bool | |
1198 | rt2x00_has_cap_power_limit(struct rt2x00_dev *rt2x00dev) | |
1199 | { | |
1200 | return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_POWER_LIMIT); | |
1201 | } | |
1202 | ||
1203 | static inline bool | |
1204 | rt2x00_has_cap_control_filters(struct rt2x00_dev *rt2x00dev) | |
1205 | { | |
1206 | return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_CONTROL_FILTERS); | |
1207 | } | |
1208 | ||
1209 | static inline bool | |
1210 | rt2x00_has_cap_control_filter_pspoll(struct rt2x00_dev *rt2x00dev) | |
1211 | { | |
1212 | return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_CONTROL_FILTER_PSPOLL); | |
1213 | } | |
1214 | ||
1215 | static inline bool | |
1216 | rt2x00_has_cap_pre_tbtt_interrupt(struct rt2x00_dev *rt2x00dev) | |
1217 | { | |
1218 | return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_PRE_TBTT_INTERRUPT); | |
1219 | } | |
1220 | ||
1221 | static inline bool | |
1222 | rt2x00_has_cap_link_tuning(struct rt2x00_dev *rt2x00dev) | |
1223 | { | |
1224 | return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_LINK_TUNING); | |
1225 | } | |
1226 | ||
1227 | static inline bool | |
1228 | rt2x00_has_cap_frame_type(struct rt2x00_dev *rt2x00dev) | |
1229 | { | |
1230 | return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_FRAME_TYPE); | |
1231 | } | |
1232 | ||
1233 | static inline bool | |
1234 | rt2x00_has_cap_rf_sequence(struct rt2x00_dev *rt2x00dev) | |
1235 | { | |
1236 | return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_RF_SEQUENCE); | |
1237 | } | |
1238 | ||
1239 | static inline bool | |
1240 | rt2x00_has_cap_external_lna_a(struct rt2x00_dev *rt2x00dev) | |
1241 | { | |
1242 | return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_EXTERNAL_LNA_A); | |
1243 | } | |
1244 | ||
1245 | static inline bool | |
1246 | rt2x00_has_cap_external_lna_bg(struct rt2x00_dev *rt2x00dev) | |
1247 | { | |
1248 | return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_EXTERNAL_LNA_BG); | |
1249 | } | |
1250 | ||
1251 | static inline bool | |
1252 | rt2x00_has_cap_double_antenna(struct rt2x00_dev *rt2x00dev) | |
1253 | { | |
1254 | return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_DOUBLE_ANTENNA); | |
1255 | } | |
1256 | ||
1257 | static inline bool | |
1258 | rt2x00_has_cap_bt_coexist(struct rt2x00_dev *rt2x00dev) | |
1259 | { | |
1260 | return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_BT_COEXIST); | |
1261 | } | |
1262 | ||
1263 | static inline bool | |
1264 | rt2x00_has_cap_vco_recalibration(struct rt2x00_dev *rt2x00dev) | |
1265 | { | |
1266 | return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_VCO_RECALIBRATION); | |
1267 | } | |
1268 | ||
239c249d | 1269 | /** |
c4da0048 | 1270 | * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes. |
fa69560f | 1271 | * @entry: Pointer to &struct queue_entry |
4ea545d4 SG |
1272 | * |
1273 | * Returns -ENOMEM if mapping fail, 0 otherwise. | |
239c249d | 1274 | */ |
4ea545d4 | 1275 | int rt2x00queue_map_txskb(struct queue_entry *entry); |
239c249d | 1276 | |
0b8004aa GW |
1277 | /** |
1278 | * rt2x00queue_unmap_skb - Unmap a skb from DMA. | |
fa69560f | 1279 | * @entry: Pointer to &struct queue_entry |
0b8004aa | 1280 | */ |
fa69560f | 1281 | void rt2x00queue_unmap_skb(struct queue_entry *entry); |
0b8004aa | 1282 | |
11f818e0 HS |
1283 | /** |
1284 | * rt2x00queue_get_tx_queue - Convert tx queue index to queue pointer | |
1285 | * @rt2x00dev: Pointer to &struct rt2x00_dev. | |
1286 | * @queue: rt2x00 queue index (see &enum data_queue_qid). | |
1287 | * | |
1288 | * Returns NULL for non tx queues. | |
1289 | */ | |
1290 | static inline struct data_queue * | |
1291 | rt2x00queue_get_tx_queue(struct rt2x00_dev *rt2x00dev, | |
1292 | const enum data_queue_qid queue) | |
1293 | { | |
1294 | if (queue < rt2x00dev->ops->tx_queues && rt2x00dev->tx) | |
1295 | return &rt2x00dev->tx[queue]; | |
1296 | ||
61c6e489 GW |
1297 | if (queue == QID_ATIM) |
1298 | return rt2x00dev->atim; | |
1299 | ||
11f818e0 HS |
1300 | return NULL; |
1301 | } | |
1302 | ||
181d6902 ID |
1303 | /** |
1304 | * rt2x00queue_get_entry - Get queue entry where the given index points to. | |
9a46d44e | 1305 | * @queue: Pointer to &struct data_queue from where we obtain the entry. |
181d6902 ID |
1306 | * @index: Index identifier for obtaining the correct index. |
1307 | */ | |
1308 | struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue, | |
1309 | enum queue_index index); | |
1310 | ||
0b7fde54 ID |
1311 | /** |
1312 | * rt2x00queue_pause_queue - Pause a data queue | |
1313 | * @queue: Pointer to &struct data_queue. | |
1314 | * | |
1315 | * This function will pause the data queue locally, preventing | |
1316 | * new frames to be added to the queue (while the hardware is | |
1317 | * still allowed to run). | |
1318 | */ | |
1319 | void rt2x00queue_pause_queue(struct data_queue *queue); | |
1320 | ||
1321 | /** | |
1322 | * rt2x00queue_unpause_queue - unpause a data queue | |
1323 | * @queue: Pointer to &struct data_queue. | |
1324 | * | |
1325 | * This function will unpause the data queue locally, allowing | |
1326 | * new frames to be added to the queue again. | |
1327 | */ | |
1328 | void rt2x00queue_unpause_queue(struct data_queue *queue); | |
1329 | ||
1330 | /** | |
1331 | * rt2x00queue_start_queue - Start a data queue | |
1332 | * @queue: Pointer to &struct data_queue. | |
1333 | * | |
1334 | * This function will start handling all pending frames in the queue. | |
1335 | */ | |
1336 | void rt2x00queue_start_queue(struct data_queue *queue); | |
1337 | ||
1338 | /** | |
1339 | * rt2x00queue_stop_queue - Halt a data queue | |
1340 | * @queue: Pointer to &struct data_queue. | |
1341 | * | |
1342 | * This function will stop all pending frames in the queue. | |
1343 | */ | |
1344 | void rt2x00queue_stop_queue(struct data_queue *queue); | |
1345 | ||
5be65609 ID |
1346 | /** |
1347 | * rt2x00queue_flush_queue - Flush a data queue | |
1348 | * @queue: Pointer to &struct data_queue. | |
1349 | * @drop: True to drop all pending frames. | |
1350 | * | |
1351 | * This function will flush the queue. After this call | |
25985edc | 1352 | * the queue is guaranteed to be empty. |
5be65609 ID |
1353 | */ |
1354 | void rt2x00queue_flush_queue(struct data_queue *queue, bool drop); | |
1355 | ||
0b7fde54 ID |
1356 | /** |
1357 | * rt2x00queue_start_queues - Start all data queues | |
1358 | * @rt2x00dev: Pointer to &struct rt2x00_dev. | |
1359 | * | |
1360 | * This function will loop through all available queues to start them | |
1361 | */ | |
1362 | void rt2x00queue_start_queues(struct rt2x00_dev *rt2x00dev); | |
1363 | ||
1364 | /** | |
1365 | * rt2x00queue_stop_queues - Halt all data queues | |
1366 | * @rt2x00dev: Pointer to &struct rt2x00_dev. | |
1367 | * | |
1368 | * This function will loop through all available queues to stop | |
1369 | * any pending frames. | |
1370 | */ | |
1371 | void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev); | |
1372 | ||
5be65609 ID |
1373 | /** |
1374 | * rt2x00queue_flush_queues - Flush all data queues | |
1375 | * @rt2x00dev: Pointer to &struct rt2x00_dev. | |
1376 | * @drop: True to drop all pending frames. | |
1377 | * | |
1378 | * This function will loop through all available queues to flush | |
1379 | * any pending frames. | |
1380 | */ | |
1381 | void rt2x00queue_flush_queues(struct rt2x00_dev *rt2x00dev, bool drop); | |
1382 | ||
b4df4708 GW |
1383 | /* |
1384 | * Debugfs handlers. | |
1385 | */ | |
1386 | /** | |
1387 | * rt2x00debug_dump_frame - Dump a frame to userspace through debugfs. | |
1388 | * @rt2x00dev: Pointer to &struct rt2x00_dev. | |
1389 | * @type: The type of frame that is being dumped. | |
dd35cc08 | 1390 | * @entry: The queue entry containing the frame to be dumped. |
b4df4708 GW |
1391 | */ |
1392 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS | |
1393 | void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, | |
2ceb8137 | 1394 | enum rt2x00_dump_type type, struct queue_entry *entry); |
b4df4708 GW |
1395 | #else |
1396 | static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, | |
1397 | enum rt2x00_dump_type type, | |
2ceb8137 | 1398 | struct queue_entry *entry) |
b4df4708 GW |
1399 | { |
1400 | } | |
1401 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ | |
1402 | ||
18325523 HS |
1403 | /* |
1404 | * Utility functions. | |
1405 | */ | |
1406 | u32 rt2x00lib_get_bssidx(struct rt2x00_dev *rt2x00dev, | |
1407 | struct ieee80211_vif *vif); | |
9766cb70 | 1408 | void rt2x00lib_set_mac_address(struct rt2x00_dev *rt2x00dev, u8 *eeprom_mac_addr); |
18325523 | 1409 | |
95ea3627 ID |
1410 | /* |
1411 | * Interrupt context handlers. | |
1412 | */ | |
1413 | void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev); | |
9f926fb5 | 1414 | void rt2x00lib_pretbtt(struct rt2x00_dev *rt2x00dev); |
64e7d723 | 1415 | void rt2x00lib_dmastart(struct queue_entry *entry); |
652a9dd2 | 1416 | void rt2x00lib_dmadone(struct queue_entry *entry); |
181d6902 ID |
1417 | void rt2x00lib_txdone(struct queue_entry *entry, |
1418 | struct txdone_entry_desc *txdesc); | |
a09305d0 SG |
1419 | void rt2x00lib_txdone_nomatch(struct queue_entry *entry, |
1420 | struct txdone_entry_desc *txdesc); | |
3392bece | 1421 | void rt2x00lib_txdone_noinfo(struct queue_entry *entry, u32 status); |
88211021 | 1422 | void rt2x00lib_rxdone(struct queue_entry *entry, gfp_t gfp); |
95ea3627 | 1423 | |
95ea3627 ID |
1424 | /* |
1425 | * mac80211 handlers. | |
1426 | */ | |
36323f81 TH |
1427 | void rt2x00mac_tx(struct ieee80211_hw *hw, |
1428 | struct ieee80211_tx_control *control, | |
1429 | struct sk_buff *skb); | |
95ea3627 ID |
1430 | int rt2x00mac_start(struct ieee80211_hw *hw); |
1431 | void rt2x00mac_stop(struct ieee80211_hw *hw); | |
1432 | int rt2x00mac_add_interface(struct ieee80211_hw *hw, | |
1ed32e4f | 1433 | struct ieee80211_vif *vif); |
95ea3627 | 1434 | void rt2x00mac_remove_interface(struct ieee80211_hw *hw, |
1ed32e4f | 1435 | struct ieee80211_vif *vif); |
e8975581 | 1436 | int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed); |
3a643d24 ID |
1437 | void rt2x00mac_configure_filter(struct ieee80211_hw *hw, |
1438 | unsigned int changed_flags, | |
1439 | unsigned int *total_flags, | |
3ac64bee | 1440 | u64 multicast); |
930c06f2 SS |
1441 | int rt2x00mac_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, |
1442 | bool set); | |
2bb057d0 ID |
1443 | #ifdef CONFIG_RT2X00_LIB_CRYPTO |
1444 | int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, | |
dc822b5d | 1445 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, |
2bb057d0 ID |
1446 | struct ieee80211_key_conf *key); |
1447 | #else | |
1448 | #define rt2x00mac_set_key NULL | |
1449 | #endif /* CONFIG_RT2X00_LIB_CRYPTO */ | |
a344d677 JB |
1450 | void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw, |
1451 | struct ieee80211_vif *vif, | |
1452 | const u8 *mac_addr); | |
1453 | void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw, | |
1454 | struct ieee80211_vif *vif); | |
95ea3627 ID |
1455 | int rt2x00mac_get_stats(struct ieee80211_hw *hw, |
1456 | struct ieee80211_low_level_stats *stats); | |
471b3efd JB |
1457 | void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw, |
1458 | struct ieee80211_vif *vif, | |
1459 | struct ieee80211_bss_conf *bss_conf, | |
1460 | u32 changes); | |
8a3a3c85 EP |
1461 | int rt2x00mac_conf_tx(struct ieee80211_hw *hw, |
1462 | struct ieee80211_vif *vif, u16 queue, | |
95ea3627 | 1463 | const struct ieee80211_tx_queue_params *params); |
e47a5cdd | 1464 | void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw); |
77be2c54 EG |
1465 | void rt2x00mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
1466 | u32 queues, bool drop); | |
0ed7b3c0 ID |
1467 | int rt2x00mac_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant); |
1468 | int rt2x00mac_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant); | |
e7dee444 ID |
1469 | void rt2x00mac_get_ringparam(struct ieee80211_hw *hw, |
1470 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max); | |
5f0dd296 | 1471 | bool rt2x00mac_tx_frames_pending(struct ieee80211_hw *hw); |
95ea3627 ID |
1472 | |
1473 | /* | |
1474 | * Driver allocation handlers. | |
1475 | */ | |
1476 | int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev); | |
1477 | void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev); | |
1478 | #ifdef CONFIG_PM | |
1479 | int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state); | |
1480 | int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev); | |
1481 | #endif /* CONFIG_PM */ | |
1482 | ||
1483 | #endif /* RT2X00_H */ |