1 /*
2 * Copyright (c) 2010-2011 Atheros Communications Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #ifndef HTC_H
18 #define HTC_H
19
20 #include <linux/module.h>
21 #include <linux/usb.h>
22 #include <linux/firmware.h>
23 #include <linux/skbuff.h>
24 #include <linux/netdevice.h>
25 #include <linux/etherdevice.h>
26 #include <linux/leds.h>
27 #include <linux/slab.h>
28 #include <net/mac80211.h>
29
30 #include "common.h"
31 #include "htc_hst.h"
32 #include "hif_usb.h"
33 #include "wmi.h"
34
35 #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */
36 #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */
37 #define ATH_ANI_POLLINTERVAL 100 /* 100 ms */
38 #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
39 #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
40
41 #define ATH_DEFAULT_BMISS_LIMIT 10
42 #define TSF_TO_TU(_h, _l) \
43 ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
44
45 extern struct ieee80211_ops ath9k_htc_ops;
46 extern int htc_modparam_nohwcrypt;
47
48 enum htc_phymode {
49 HTC_MODE_11NA = 0,
50 HTC_MODE_11NG = 1
51 };
52
53 enum htc_opmode {
54 HTC_M_STA = 1,
55 HTC_M_IBSS = 0,
56 HTC_M_AHDEMO = 3,
57 HTC_M_HOSTAP = 6,
58 HTC_M_MONITOR = 8,
59 HTC_M_WDS = 2
60 };
61
62 #define ATH9K_HTC_AMPDU 1
63 #define ATH9K_HTC_NORMAL 2
64 #define ATH9K_HTC_BEACON 3
65 #define ATH9K_HTC_MGMT 4
66
67 #define ATH9K_HTC_TX_CTSONLY 0x1
68 #define ATH9K_HTC_TX_RTSCTS 0x2
69
70 struct tx_frame_hdr {
71 u8 data_type;
72 u8 node_idx;
73 u8 vif_idx;
74 u8 tidno;
75 __be32 flags; /* ATH9K_HTC_TX_* */
76 u8 key_type;
77 u8 keyix;
78 u8 cookie;
79 u8 pad;
80 } __packed;
81
82 struct tx_mgmt_hdr {
83 u8 node_idx;
84 u8 vif_idx;
85 u8 tidno;
86 u8 flags;
87 u8 key_type;
88 u8 keyix;
89 u8 cookie;
90 u8 pad;
91 } __packed;
92
93 struct tx_beacon_header {
94 u8 vif_index;
95 u8 len_changed;
96 u16 rev;
97 } __packed;
98
99 #define MAX_TX_AMPDU_SUBFRAMES_9271 17
100 #define MAX_TX_AMPDU_SUBFRAMES_7010 22
101
102 struct ath9k_htc_cap_target {
103 __be32 ampdu_limit;
104 u8 ampdu_subframes;
105 u8 enable_coex;
106 u8 tx_chainmask;
107 u8 pad;
108 } __packed;
109
110 struct ath9k_htc_target_vif {
111 u8 index;
112 u8 opmode;
113 u8 myaddr[ETH_ALEN];
114 u8 ath_cap;
115 __be16 rtsthreshold;
116 u8 pad;
117 } __packed;
118
119 struct ath9k_htc_target_sta {
120 u8 macaddr[ETH_ALEN];
121 u8 bssid[ETH_ALEN];
122 u8 sta_index;
123 u8 vif_index;
124 u8 is_vif_sta;
125 __be16 flags;
126 __be16 htcap;
127 __be16 maxampdu;
128 u8 pad;
129 } __packed;
130
131 struct ath9k_htc_target_aggr {
132 u8 sta_index;
133 u8 tidno;
134 u8 aggr_enable;
135 u8 padding;
136 } __packed;
137
138 #define ATH_HTC_RATE_MAX 30
139
140 #define WLAN_RC_DS_FLAG 0x01
141 #define WLAN_RC_40_FLAG 0x02
142 #define WLAN_RC_SGI_FLAG 0x04
143 #define WLAN_RC_HT_FLAG 0x08
144 #define ATH_RC_TX_STBC_FLAG 0x20
145
146 struct ath9k_htc_rateset {
147 u8 rs_nrates;
148 u8 rs_rates[ATH_HTC_RATE_MAX];
149 };
150
151 struct ath9k_htc_rate {
152 struct ath9k_htc_rateset legacy_rates;
153 struct ath9k_htc_rateset ht_rates;
154 } __packed;
155
156 struct ath9k_htc_target_rate {
157 u8 sta_index;
158 u8 isnew;
159 __be32 capflags;
160 struct ath9k_htc_rate rates;
161 };
162
163 struct ath9k_htc_target_rate_mask {
164 u8 vif_index;
165 u8 band;
166 __be32 mask;
167 u16 pad;
168 } __packed;
169
170 struct ath9k_htc_target_int_stats {
171 __be32 rx;
172 __be32 rxorn;
173 __be32 rxeol;
174 __be32 txurn;
175 __be32 txto;
176 __be32 cst;
177 } __packed;
178
179 struct ath9k_htc_target_tx_stats {
180 __be32 xretries;
181 __be32 fifoerr;
182 __be32 filtered;
183 __be32 timer_exp;
184 __be32 shortretries;
185 __be32 longretries;
186 __be32 qnull;
187 __be32 encap_fail;
188 __be32 nobuf;
189 } __packed;
190
191 struct ath9k_htc_target_rx_stats {
192 __be32 nobuf;
193 __be32 host_send;
194 __be32 host_done;
195 } __packed;
196
197 #define ATH9K_HTC_MAX_VIF 2
198 #define ATH9K_HTC_MAX_BCN_VIF 2
199
200 #define INC_VIF(_priv, _type) do { \
201 switch (_type) { \
202 case NL80211_IFTYPE_STATION: \
203 _priv->num_sta_vif++; \
204 break; \
205 case NL80211_IFTYPE_ADHOC: \
206 _priv->num_ibss_vif++; \
207 break; \
208 case NL80211_IFTYPE_AP: \
209 _priv->num_ap_vif++; \
210 break; \
211 case NL80211_IFTYPE_MESH_POINT: \
212 _priv->num_mbss_vif++; \
213 break; \
214 default: \
215 break; \
216 } \
217 } while (0)
218
219 #define DEC_VIF(_priv, _type) do { \
220 switch (_type) { \
221 case NL80211_IFTYPE_STATION: \
222 _priv->num_sta_vif--; \
223 break; \
224 case NL80211_IFTYPE_ADHOC: \
225 _priv->num_ibss_vif--; \
226 break; \
227 case NL80211_IFTYPE_AP: \
228 _priv->num_ap_vif--; \
229 break; \
230 case NL80211_IFTYPE_MESH_POINT: \
231 _priv->num_mbss_vif--; \
232 break; \
233 default: \
234 break; \
235 } \
236 } while (0)
237
238 struct ath9k_htc_vif {
239 u8 index;
240 u16 seq_no;
241 bool beacon_configured;
242 int bslot;
243 __le64 tsfadjust;
244 };
245
246 struct ath9k_vif_iter_data {
247 const u8 *hw_macaddr;
248 u8 mask[ETH_ALEN];
249 };
250
251 #define ATH9K_HTC_MAX_STA 8
252 #define ATH9K_HTC_MAX_TID 8
253
254 enum tid_aggr_state {
255 AGGR_STOP = 0,
256 AGGR_PROGRESS,
257 AGGR_START,
258 AGGR_OPERATIONAL
259 };
260
261 struct ath9k_htc_sta {
262 u8 index;
263 enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID];
264 struct work_struct rc_update_work;
265 struct ath9k_htc_priv *htc_priv;
266 };
267
268 #define ATH9K_HTC_RXBUF 256
269 #define HTC_RX_FRAME_HEADER_SIZE 40
270
271 struct ath9k_htc_rxbuf {
272 bool in_process;
273 struct sk_buff *skb;
274 struct ath_htc_rx_status rxstatus;
275 struct list_head list;
276 };
277
278 struct ath9k_htc_rx {
279 struct list_head rxbuf;
280 spinlock_t rxbuflock;
281 };
282
283 #define ATH9K_HTC_TX_CLEANUP_INTERVAL 50 /* ms */
284 #define ATH9K_HTC_TX_TIMEOUT_INTERVAL 3000 /* ms */
285 #define ATH9K_HTC_TX_RESERVE 10
286 #define ATH9K_HTC_TX_TIMEOUT_COUNT 40
287 #define ATH9K_HTC_TX_THRESHOLD (MAX_TX_BUF_NUM - ATH9K_HTC_TX_RESERVE)
288
289 #define ATH9K_HTC_OP_TX_QUEUES_STOP BIT(0)
290 #define ATH9K_HTC_OP_TX_DRAIN BIT(1)
291
292 struct ath9k_htc_tx {
293 u8 flags;
294 int queued_cnt;
295 struct sk_buff_head mgmt_ep_queue;
296 struct sk_buff_head cab_ep_queue;
297 struct sk_buff_head data_be_queue;
298 struct sk_buff_head data_bk_queue;
299 struct sk_buff_head data_vi_queue;
300 struct sk_buff_head data_vo_queue;
301 struct sk_buff_head tx_failed;
302 DECLARE_BITMAP(tx_slot, MAX_TX_BUF_NUM);
303 struct timer_list cleanup_timer;
304 spinlock_t tx_lock;
305 };
306
307 struct ath9k_htc_tx_ctl {
308 u8 type; /* ATH9K_HTC_* */
309 u8 epid;
310 u8 txok;
311 u8 sta_idx;
312 unsigned long timestamp;
313 };
314
HTC_SKB_CB(struct sk_buff * skb)315 static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb)
316 {
317 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
318
319 BUILD_BUG_ON(sizeof(struct ath9k_htc_tx_ctl) >
320 IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
321 return (struct ath9k_htc_tx_ctl *) &tx_info->driver_data;
322 }
323
324 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
325
326 #define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++)
327 #define TX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c += a)
328 #define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c++)
329 #define RX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c += a)
330 #define CAB_STAT_INC priv->debug.tx_stats.cab_queued++
331
332 #define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
333
334 void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
335 struct ath_rx_status *rs);
336
337 struct ath_tx_stats {
338 u32 buf_queued;
339 u32 buf_completed;
340 u32 skb_queued;
341 u32 skb_success;
342 u32 skb_success_bytes;
343 u32 skb_failed;
344 u32 cab_queued;
345 u32 queue_stats[IEEE80211_NUM_ACS];
346 };
347
348 struct ath_skbrx_stats {
349 u32 skb_allocated;
350 u32 skb_completed;
351 u32 skb_completed_bytes;
352 u32 skb_dropped;
353 };
354
355 struct ath9k_debug {
356 struct dentry *debugfs_phy;
357 struct ath_tx_stats tx_stats;
358 struct ath_rx_stats rx_stats;
359 struct ath_skbrx_stats skbrx_stats;
360 };
361
362 void ath9k_htc_get_et_strings(struct ieee80211_hw *hw,
363 struct ieee80211_vif *vif,
364 u32 sset, u8 *data);
365 int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw,
366 struct ieee80211_vif *vif, int sset);
367 void ath9k_htc_get_et_stats(struct ieee80211_hw *hw,
368 struct ieee80211_vif *vif,
369 struct ethtool_stats *stats, u64 *data);
370 #else
371
372 #define TX_STAT_INC(c) do { } while (0)
373 #define TX_STAT_ADD(c, a) do { } while (0)
374 #define RX_STAT_INC(c) do { } while (0)
375 #define RX_STAT_ADD(c, a) do { } while (0)
376 #define CAB_STAT_INC do { } while (0)
377
378 #define TX_QSTAT_INC(c) do { } while (0)
379
ath9k_htc_err_stat_rx(struct ath9k_htc_priv * priv,struct ath_rx_status * rs)380 static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
381 struct ath_rx_status *rs)
382 {
383 }
384
385 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
386
387 #define ATH_LED_PIN_DEF 1
388 #define ATH_LED_PIN_9287 10
389 #define ATH_LED_PIN_9271 15
390 #define ATH_LED_PIN_7010 12
391
392 #define BSTUCK_THRESHOLD 10
393
394 /*
395 * Adjust these when the max. no of beaconing interfaces is
396 * increased.
397 */
398 #define DEFAULT_SWBA_RESPONSE 40 /* in TUs */
399 #define MIN_SWBA_RESPONSE 10 /* in TUs */
400
401 struct htc_beacon {
402 enum {
403 OK, /* no change needed */
404 UPDATE, /* update pending */
405 COMMIT /* beacon sent, commit change */
406 } updateslot; /* slot time update fsm */
407
408 struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF];
409 u32 bmisscnt;
410 u32 beaconq;
411 int slottime;
412 int slotupdate;
413 };
414
415 struct ath_btcoex {
416 u32 bt_priority_cnt;
417 unsigned long bt_priority_time;
418 int bt_stomp_type; /* Types of BT stomping */
419 u32 btcoex_no_stomp;
420 u32 btcoex_period;
421 u32 btscan_no_stomp;
422 };
423
424 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
425 void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product);
426 void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv);
427 void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv);
428 #else
ath9k_htc_init_btcoex(struct ath9k_htc_priv * priv,char * product)429 static inline void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product)
430 {
431 }
ath9k_htc_start_btcoex(struct ath9k_htc_priv * priv)432 static inline void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv)
433 {
434 }
ath9k_htc_stop_btcoex(struct ath9k_htc_priv * priv)435 static inline void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv)
436 {
437 }
438 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
439
440 #define OP_BT_PRIORITY_DETECTED BIT(3)
441 #define OP_BT_SCAN BIT(4)
442 #define OP_TSF_RESET BIT(6)
443
444 struct ath9k_htc_priv {
445 struct device *dev;
446 struct ieee80211_hw *hw;
447 struct ath_hw *ah;
448 struct htc_target *htc;
449 struct wmi *wmi;
450
451 u16 fw_version_major;
452 u16 fw_version_minor;
453
454 enum htc_endpoint_id wmi_cmd_ep;
455 enum htc_endpoint_id beacon_ep;
456 enum htc_endpoint_id cab_ep;
457 enum htc_endpoint_id uapsd_ep;
458 enum htc_endpoint_id mgmt_ep;
459 enum htc_endpoint_id data_be_ep;
460 enum htc_endpoint_id data_bk_ep;
461 enum htc_endpoint_id data_vi_ep;
462 enum htc_endpoint_id data_vo_ep;
463
464 u8 vif_slot;
465 u8 mon_vif_idx;
466 u8 sta_slot;
467 u8 vif_sta_pos[ATH9K_HTC_MAX_VIF];
468 u8 num_ibss_vif;
469 u8 num_mbss_vif;
470 u8 num_sta_vif;
471 u8 num_sta_assoc_vif;
472 u8 num_ap_vif;
473
474 u16 curtxpow;
475 u16 txpowlimit;
476 u16 nvifs;
477 u16 nstations;
478 bool rearm_ani;
479 bool reconfig_beacon;
480 unsigned int rxfilter;
481 unsigned long op_flags;
482
483 struct ath9k_hw_cal_data caldata;
484
485 spinlock_t beacon_lock;
486 struct ath_beacon_config cur_beacon_conf;
487 struct htc_beacon beacon;
488
489 struct ath9k_htc_rx rx;
490 struct ath9k_htc_tx tx;
491
492 struct tasklet_struct swba_tasklet;
493 struct tasklet_struct rx_tasklet;
494 struct delayed_work ani_work;
495 struct tasklet_struct tx_failed_tasklet;
496 struct work_struct ps_work;
497 struct work_struct fatal_work;
498
499 struct mutex htc_pm_lock;
500 unsigned long ps_usecount;
501 bool ps_enabled;
502 bool ps_idle;
503
504 #ifdef CONFIG_MAC80211_LEDS
505 enum led_brightness brightness;
506 bool led_registered;
507 char led_name[32];
508 struct led_classdev led_cdev;
509 struct work_struct led_work;
510 #endif
511
512 int cabq;
513 int hwq_map[IEEE80211_NUM_ACS];
514
515 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
516 struct ath_btcoex btcoex;
517 #endif
518
519 struct delayed_work coex_period_work;
520 struct delayed_work duty_cycle_work;
521 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
522 struct ath9k_debug debug;
523 #endif
524 struct mutex mutex;
525 };
526
ath_read_cachesize(struct ath_common * common,int * csz)527 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
528 {
529 common->bus_ops->read_cachesize(common, csz);
530 }
531
532 void ath9k_htc_reset(struct ath9k_htc_priv *priv);
533
534 void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv,
535 struct ieee80211_vif *vif);
536 void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv,
537 struct ieee80211_vif *vif);
538 void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv,
539 struct ieee80211_vif *vif);
540 void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
541 void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
542 struct ieee80211_vif *vif);
543 void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
544 void ath9k_htc_swba(struct ath9k_htc_priv *priv,
545 struct wmi_event_swba *swba);
546
547 void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
548 enum htc_endpoint_id ep_id);
549 void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
550 bool txok);
551 void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
552 enum htc_endpoint_id ep_id, bool txok);
553
554 int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv,
555 u8 enable_coex);
556 void ath9k_htc_ani_work(struct work_struct *work);
557 void ath9k_htc_start_ani(struct ath9k_htc_priv *priv);
558 void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
559
560 int ath9k_tx_init(struct ath9k_htc_priv *priv);
561 int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
562 struct ieee80211_sta *sta,
563 struct sk_buff *skb, u8 slot, bool is_cab);
564 void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
565 bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
566 int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
567 int get_hw_qnum(u16 queue, int *hwq_map);
568 int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
569 struct ath9k_tx_queue_info *qinfo);
570 void ath9k_htc_check_stop_queues(struct ath9k_htc_priv *priv);
571 void ath9k_htc_check_wake_queues(struct ath9k_htc_priv *priv);
572 int ath9k_htc_tx_get_slot(struct ath9k_htc_priv *priv);
573 void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot);
574 void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv);
575 void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event);
576 void ath9k_tx_failed_tasklet(unsigned long data);
577 void ath9k_htc_tx_cleanup_timer(unsigned long data);
578
579 int ath9k_rx_init(struct ath9k_htc_priv *priv);
580 void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
581 void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
582 void ath9k_rx_tasklet(unsigned long data);
583 u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
584
585 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
586 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
587 void ath9k_ps_work(struct work_struct *work);
588 bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
589 enum ath9k_power_mode mode);
590
591 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
592 void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
593
594 struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv);
595
596 #ifdef CONFIG_MAC80211_LEDS
597 void ath9k_configure_leds(struct ath9k_htc_priv *priv);
598 void ath9k_init_leds(struct ath9k_htc_priv *priv);
599 void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
600 void ath9k_led_work(struct work_struct *work);
601 #else
ath9k_configure_leds(struct ath9k_htc_priv * priv)602 static inline void ath9k_configure_leds(struct ath9k_htc_priv *priv)
603 {
604 }
605
ath9k_init_leds(struct ath9k_htc_priv * priv)606 static inline void ath9k_init_leds(struct ath9k_htc_priv *priv)
607 {
608 }
609
ath9k_deinit_leds(struct ath9k_htc_priv * priv)610 static inline void ath9k_deinit_leds(struct ath9k_htc_priv *priv)
611 {
612 }
613
ath9k_led_work(struct work_struct * work)614 static inline void ath9k_led_work(struct work_struct *work)
615 {
616 }
617 #endif
618
619 int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
620 u16 devid, char *product, u32 drv_info);
621 void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
622 #ifdef CONFIG_PM
623 void ath9k_htc_suspend(struct htc_target *htc_handle);
624 int ath9k_htc_resume(struct htc_target *htc_handle);
625 #endif
626 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
627 int ath9k_htc_init_debug(struct ath_hw *ah);
628 #else
ath9k_htc_init_debug(struct ath_hw * ah)629 static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
630 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
631
632 #endif /* HTC_H */
633