xref: /openbmc/linux/drivers/net/wireless/ath/ath9k/htc.h (revision c819e2cf)
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 
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 
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
429 static inline void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product)
430 {
431 }
432 static inline void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv)
433 {
434 }
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 	struct ath_spec_scan_priv spec_priv;
485 
486 	spinlock_t beacon_lock;
487 	struct ath_beacon_config cur_beacon_conf;
488 	struct htc_beacon beacon;
489 
490 	struct ath9k_htc_rx rx;
491 	struct ath9k_htc_tx tx;
492 
493 	struct tasklet_struct swba_tasklet;
494 	struct tasklet_struct rx_tasklet;
495 	struct delayed_work ani_work;
496 	struct tasklet_struct tx_failed_tasklet;
497 	struct work_struct ps_work;
498 	struct work_struct fatal_work;
499 
500 	struct mutex htc_pm_lock;
501 	unsigned long ps_usecount;
502 	bool ps_enabled;
503 	bool ps_idle;
504 
505 #ifdef CONFIG_MAC80211_LEDS
506 	enum led_brightness brightness;
507 	bool led_registered;
508 	char led_name[32];
509 	struct led_classdev led_cdev;
510 	struct work_struct led_work;
511 #endif
512 
513 	int cabq;
514 	int hwq_map[IEEE80211_NUM_ACS];
515 
516 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
517 	struct ath_btcoex btcoex;
518 #endif
519 
520 	struct delayed_work coex_period_work;
521 	struct delayed_work duty_cycle_work;
522 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
523 	struct ath9k_debug debug;
524 #endif
525 	struct mutex mutex;
526 };
527 
528 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
529 {
530 	common->bus_ops->read_cachesize(common, csz);
531 }
532 
533 void ath9k_htc_reset(struct ath9k_htc_priv *priv);
534 
535 void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv,
536 			    struct ieee80211_vif *vif);
537 void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv,
538 			    struct ieee80211_vif *vif);
539 void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv,
540 			     struct ieee80211_vif *vif);
541 void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
542 void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
543 			     struct ieee80211_vif *vif);
544 void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
545 void ath9k_htc_swba(struct ath9k_htc_priv *priv,
546 		    struct wmi_event_swba *swba);
547 
548 void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
549 		    enum htc_endpoint_id ep_id);
550 void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
551 		    bool txok);
552 void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
553 			enum htc_endpoint_id ep_id, bool txok);
554 
555 int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv,
556 				u8 enable_coex);
557 void ath9k_htc_ani_work(struct work_struct *work);
558 void ath9k_htc_start_ani(struct ath9k_htc_priv *priv);
559 void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
560 
561 int ath9k_tx_init(struct ath9k_htc_priv *priv);
562 int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
563 		       struct ieee80211_sta *sta,
564 		       struct sk_buff *skb, u8 slot, bool is_cab);
565 void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
566 bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
567 int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
568 int get_hw_qnum(u16 queue, int *hwq_map);
569 int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
570 		       struct ath9k_tx_queue_info *qinfo);
571 void ath9k_htc_check_stop_queues(struct ath9k_htc_priv *priv);
572 void ath9k_htc_check_wake_queues(struct ath9k_htc_priv *priv);
573 int ath9k_htc_tx_get_slot(struct ath9k_htc_priv *priv);
574 void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot);
575 void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv);
576 void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event);
577 void ath9k_tx_failed_tasklet(unsigned long data);
578 void ath9k_htc_tx_cleanup_timer(unsigned long data);
579 
580 int ath9k_rx_init(struct ath9k_htc_priv *priv);
581 void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
582 void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
583 void ath9k_rx_tasklet(unsigned long data);
584 u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
585 
586 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
587 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
588 void ath9k_ps_work(struct work_struct *work);
589 bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
590 			enum ath9k_power_mode mode);
591 
592 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
593 void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
594 
595 struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv);
596 
597 #ifdef CONFIG_MAC80211_LEDS
598 void ath9k_configure_leds(struct ath9k_htc_priv *priv);
599 void ath9k_init_leds(struct ath9k_htc_priv *priv);
600 void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
601 void ath9k_led_work(struct work_struct *work);
602 #else
603 static inline void ath9k_configure_leds(struct ath9k_htc_priv *priv)
604 {
605 }
606 
607 static inline void ath9k_init_leds(struct ath9k_htc_priv *priv)
608 {
609 }
610 
611 static inline void ath9k_deinit_leds(struct ath9k_htc_priv *priv)
612 {
613 }
614 
615 static inline void ath9k_led_work(struct work_struct *work)
616 {
617 }
618 #endif
619 
620 int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
621 			   u16 devid, char *product, u32 drv_info);
622 void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
623 #ifdef CONFIG_PM
624 void ath9k_htc_suspend(struct htc_target *htc_handle);
625 int ath9k_htc_resume(struct htc_target *htc_handle);
626 #endif
627 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
628 int ath9k_htc_init_debug(struct ath_hw *ah);
629 void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv);
630 #else
631 static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
632 static inline void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv)
633 {
634 }
635 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
636 
637 #endif /* HTC_H */
638