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 #ifdef CONFIG_MAC80211_LEDS
48 extern int ath9k_htc_led_blink;
49 #endif
50 
51 enum htc_phymode {
52 	HTC_MODE_11NA		= 0,
53 	HTC_MODE_11NG		= 1
54 };
55 
56 enum htc_opmode {
57 	HTC_M_STA	= 1,
58 	HTC_M_IBSS	= 0,
59 	HTC_M_AHDEMO	= 3,
60 	HTC_M_HOSTAP	= 6,
61 	HTC_M_MONITOR	= 8,
62 	HTC_M_WDS	= 2
63 };
64 
65 #define ATH9K_HTC_AMPDU  1
66 #define ATH9K_HTC_NORMAL 2
67 #define ATH9K_HTC_BEACON 3
68 #define ATH9K_HTC_MGMT   4
69 
70 #define ATH9K_HTC_TX_CTSONLY      0x1
71 #define ATH9K_HTC_TX_RTSCTS       0x2
72 
73 struct tx_frame_hdr {
74 	u8 data_type;
75 	u8 node_idx;
76 	u8 vif_idx;
77 	u8 tidno;
78 	__be32 flags; /* ATH9K_HTC_TX_* */
79 	u8 key_type;
80 	u8 keyix;
81 	u8 cookie;
82 	u8 pad;
83 } __packed;
84 
85 struct tx_mgmt_hdr {
86 	u8 node_idx;
87 	u8 vif_idx;
88 	u8 tidno;
89 	u8 flags;
90 	u8 key_type;
91 	u8 keyix;
92 	u8 cookie;
93 	u8 pad;
94 } __packed;
95 
96 struct tx_beacon_header {
97 	u8 vif_index;
98 	u8 len_changed;
99 	u16 rev;
100 } __packed;
101 
102 #define MAX_TX_AMPDU_SUBFRAMES_9271 17
103 #define MAX_TX_AMPDU_SUBFRAMES_7010 22
104 
105 struct ath9k_htc_cap_target {
106 	__be32 ampdu_limit;
107 	u8 ampdu_subframes;
108 	u8 enable_coex;
109 	u8 tx_chainmask;
110 	u8 pad;
111 } __packed;
112 
113 struct ath9k_htc_target_vif {
114 	u8 index;
115 	u8 opmode;
116 	u8 myaddr[ETH_ALEN];
117 	u8 ath_cap;
118 	__be16 rtsthreshold;
119 	u8 pad;
120 } __packed;
121 
122 struct ath9k_htc_target_sta {
123 	u8 macaddr[ETH_ALEN];
124 	u8 bssid[ETH_ALEN];
125 	u8 sta_index;
126 	u8 vif_index;
127 	u8 is_vif_sta;
128 	__be16 flags;
129 	__be16 htcap;
130 	__be16 maxampdu;
131 	u8 pad;
132 } __packed;
133 
134 struct ath9k_htc_target_aggr {
135 	u8 sta_index;
136 	u8 tidno;
137 	u8 aggr_enable;
138 	u8 padding;
139 } __packed;
140 
141 #define ATH_HTC_RATE_MAX 30
142 
143 #define WLAN_RC_DS_FLAG  0x01
144 #define WLAN_RC_40_FLAG  0x02
145 #define WLAN_RC_SGI_FLAG 0x04
146 #define WLAN_RC_HT_FLAG  0x08
147 #define ATH_RC_TX_STBC_FLAG 0x20
148 
149 struct ath9k_htc_rateset {
150 	u8 rs_nrates;
151 	u8 rs_rates[ATH_HTC_RATE_MAX];
152 };
153 
154 struct ath9k_htc_rate {
155 	struct ath9k_htc_rateset legacy_rates;
156 	struct ath9k_htc_rateset ht_rates;
157 } __packed;
158 
159 struct ath9k_htc_target_rate {
160 	u8 sta_index;
161 	u8 isnew;
162 	__be32 capflags;
163 	struct ath9k_htc_rate rates;
164 };
165 
166 struct ath9k_htc_target_rate_mask {
167 	u8 vif_index;
168 	u8 band;
169 	__be32 mask;
170 	u16 pad;
171 } __packed;
172 
173 struct ath9k_htc_target_int_stats {
174 	__be32 rx;
175 	__be32 rxorn;
176 	__be32 rxeol;
177 	__be32 txurn;
178 	__be32 txto;
179 	__be32 cst;
180 } __packed;
181 
182 struct ath9k_htc_target_tx_stats {
183 	__be32 xretries;
184 	__be32 fifoerr;
185 	__be32 filtered;
186 	__be32 timer_exp;
187 	__be32 shortretries;
188 	__be32 longretries;
189 	__be32 qnull;
190 	__be32 encap_fail;
191 	__be32 nobuf;
192 } __packed;
193 
194 struct ath9k_htc_target_rx_stats {
195 	__be32 nobuf;
196 	__be32 host_send;
197 	__be32 host_done;
198 } __packed;
199 
200 #define ATH9K_HTC_MAX_VIF 2
201 #define ATH9K_HTC_MAX_BCN_VIF 2
202 
203 #define INC_VIF(_priv, _type) do {		\
204 		switch (_type) {		\
205 		case NL80211_IFTYPE_STATION:	\
206 			_priv->num_sta_vif++;	\
207 			break;			\
208 		case NL80211_IFTYPE_ADHOC:	\
209 			_priv->num_ibss_vif++;	\
210 			break;			\
211 		case NL80211_IFTYPE_AP:		\
212 			_priv->num_ap_vif++;	\
213 			break;			\
214 		case NL80211_IFTYPE_MESH_POINT:	\
215 			_priv->num_mbss_vif++;	\
216 			break;			\
217 		default:			\
218 			break;			\
219 		}				\
220 	} while (0)
221 
222 #define DEC_VIF(_priv, _type) do {		\
223 		switch (_type) {		\
224 		case NL80211_IFTYPE_STATION:	\
225 			_priv->num_sta_vif--;	\
226 			break;			\
227 		case NL80211_IFTYPE_ADHOC:	\
228 			_priv->num_ibss_vif--;	\
229 			break;			\
230 		case NL80211_IFTYPE_AP:		\
231 			_priv->num_ap_vif--;	\
232 			break;			\
233 		case NL80211_IFTYPE_MESH_POINT:	\
234 			_priv->num_mbss_vif--;	\
235 			break;			\
236 		default:			\
237 			break;			\
238 		}				\
239 	} while (0)
240 
241 struct ath9k_htc_vif {
242 	u8 index;
243 	u16 seq_no;
244 	bool beacon_configured;
245 	int bslot;
246 	__le64 tsfadjust;
247 };
248 
249 struct ath9k_vif_iter_data {
250 	const u8 *hw_macaddr;
251 	u8 mask[ETH_ALEN];
252 };
253 
254 #define ATH9K_HTC_MAX_STA 8
255 #define ATH9K_HTC_MAX_TID 8
256 
257 enum tid_aggr_state {
258 	AGGR_STOP = 0,
259 	AGGR_PROGRESS,
260 	AGGR_START,
261 	AGGR_OPERATIONAL
262 };
263 
264 struct ath9k_htc_sta {
265 	u8 index;
266 	enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID];
267 	struct work_struct rc_update_work;
268 	struct ath9k_htc_priv *htc_priv;
269 };
270 
271 #define ATH9K_HTC_RXBUF 256
272 #define HTC_RX_FRAME_HEADER_SIZE 40
273 
274 struct ath9k_htc_rxbuf {
275 	bool in_process;
276 	struct sk_buff *skb;
277 	struct ath_htc_rx_status rxstatus;
278 	struct list_head list;
279 };
280 
281 struct ath9k_htc_rx {
282 	struct list_head rxbuf;
283 	spinlock_t rxbuflock;
284 	bool initialized;
285 };
286 
287 #define ATH9K_HTC_TX_CLEANUP_INTERVAL 50 /* ms */
288 #define ATH9K_HTC_TX_TIMEOUT_INTERVAL 3000 /* ms */
289 #define ATH9K_HTC_TX_RESERVE 10
290 #define ATH9K_HTC_TX_TIMEOUT_COUNT 40
291 #define ATH9K_HTC_TX_THRESHOLD (MAX_TX_BUF_NUM - ATH9K_HTC_TX_RESERVE)
292 
293 #define ATH9K_HTC_OP_TX_QUEUES_STOP BIT(0)
294 #define ATH9K_HTC_OP_TX_DRAIN       BIT(1)
295 
296 struct ath9k_htc_tx {
297 	u8 flags;
298 	int queued_cnt;
299 	struct sk_buff_head mgmt_ep_queue;
300 	struct sk_buff_head cab_ep_queue;
301 	struct sk_buff_head data_be_queue;
302 	struct sk_buff_head data_bk_queue;
303 	struct sk_buff_head data_vi_queue;
304 	struct sk_buff_head data_vo_queue;
305 	struct sk_buff_head tx_failed;
306 	DECLARE_BITMAP(tx_slot, MAX_TX_BUF_NUM);
307 	struct timer_list cleanup_timer;
308 	spinlock_t tx_lock;
309 	bool initialized;
310 };
311 
312 struct ath9k_htc_tx_ctl {
313 	u8 type; /* ATH9K_HTC_* */
314 	u8 epid;
315 	u8 txok;
316 	u8 sta_idx;
317 	unsigned long timestamp;
318 };
319 
HTC_SKB_CB(struct sk_buff * skb)320 static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb)
321 {
322 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
323 
324 	BUILD_BUG_ON(sizeof(struct ath9k_htc_tx_ctl) >
325 		     IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
326 	return (struct ath9k_htc_tx_ctl *) &tx_info->driver_data;
327 }
328 
329 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
330 #define __STAT_SAFE(expr) (hif_dev->htc_handle->drv_priv ? (expr) : 0)
331 #define TX_STAT_INC(c) __STAT_SAFE(hif_dev->htc_handle->drv_priv->debug.tx_stats.c++)
332 #define TX_STAT_ADD(c, a) __STAT_SAFE(hif_dev->htc_handle->drv_priv->debug.tx_stats.c += a)
333 #define RX_STAT_INC(c) __STAT_SAFE(hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c++)
334 #define RX_STAT_ADD(c, a) __STAT_SAFE(hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c += a)
335 #define CAB_STAT_INC   priv->debug.tx_stats.cab_queued++
336 
337 #define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
338 
339 void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
340 			   struct ath_rx_status *rs);
341 
342 struct ath_tx_stats {
343 	u32 buf_queued;
344 	u32 buf_completed;
345 	u32 skb_queued;
346 	u32 skb_success;
347 	u32 skb_success_bytes;
348 	u32 skb_failed;
349 	u32 cab_queued;
350 	u32 queue_stats[IEEE80211_NUM_ACS];
351 };
352 
353 struct ath_skbrx_stats {
354 	u32 skb_allocated;
355 	u32 skb_completed;
356 	u32 skb_completed_bytes;
357 	u32 skb_dropped;
358 };
359 
360 struct ath9k_debug {
361 	struct dentry *debugfs_phy;
362 	struct ath_tx_stats tx_stats;
363 	struct ath_rx_stats rx_stats;
364 	struct ath_skbrx_stats skbrx_stats;
365 };
366 
367 void ath9k_htc_get_et_strings(struct ieee80211_hw *hw,
368 			      struct ieee80211_vif *vif,
369 			      u32 sset, u8 *data);
370 int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw,
371 				struct ieee80211_vif *vif, int sset);
372 void ath9k_htc_get_et_stats(struct ieee80211_hw *hw,
373 			    struct ieee80211_vif *vif,
374 			    struct ethtool_stats *stats, u64 *data);
375 #else
376 
377 #define TX_STAT_INC(c) do { } while (0)
378 #define TX_STAT_ADD(c, a) do { } while (0)
379 #define RX_STAT_INC(c) do { } while (0)
380 #define RX_STAT_ADD(c, a) do { } while (0)
381 #define CAB_STAT_INC   do { } while (0)
382 
383 #define TX_QSTAT_INC(c) do { } while (0)
384 
ath9k_htc_err_stat_rx(struct ath9k_htc_priv * priv,struct ath_rx_status * rs)385 static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
386 					 struct ath_rx_status *rs)
387 {
388 }
389 
390 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
391 
392 #define ATH_LED_PIN_DEF             1
393 #define ATH_LED_PIN_9287            10
394 #define ATH_LED_PIN_9271            15
395 #define ATH_LED_PIN_7010            12
396 
397 #define BSTUCK_THRESHOLD 10
398 
399 /*
400  * Adjust these when the max. no of beaconing interfaces is
401  * increased.
402  */
403 #define DEFAULT_SWBA_RESPONSE 40 /* in TUs */
404 #define MIN_SWBA_RESPONSE     10 /* in TUs */
405 
406 struct htc_beacon {
407 	enum {
408 		OK,		/* no change needed */
409 		UPDATE,		/* update pending */
410 		COMMIT		/* beacon sent, commit change */
411 	} updateslot;		/* slot time update fsm */
412 
413 	struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF];
414 	u32 bmisscnt;
415 	u32 beaconq;
416 	int slottime;
417 	int slotupdate;
418 };
419 
420 struct ath_btcoex {
421 	u32 bt_priority_cnt;
422 	unsigned long bt_priority_time;
423 	int bt_stomp_type; /* Types of BT stomping */
424 	u32 btcoex_no_stomp;
425 	u32 btcoex_period;
426 	u32 btscan_no_stomp;
427 };
428 
429 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
430 void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product);
431 void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv);
432 void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv);
433 #else
ath9k_htc_init_btcoex(struct ath9k_htc_priv * priv,char * product)434 static inline void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product)
435 {
436 }
ath9k_htc_start_btcoex(struct ath9k_htc_priv * priv)437 static inline void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv)
438 {
439 }
ath9k_htc_stop_btcoex(struct ath9k_htc_priv * priv)440 static inline void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv)
441 {
442 }
443 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
444 
445 #define OP_BT_PRIORITY_DETECTED    3
446 #define OP_BT_SCAN                 4
447 #define OP_TSF_RESET               6
448 
449 enum htc_op_flags {
450 	HTC_FWFLAG_NO_RMW,
451 };
452 
453 struct ath9k_htc_priv {
454 	struct device *dev;
455 	struct ieee80211_hw *hw;
456 	struct ath_hw *ah;
457 	struct htc_target *htc;
458 	struct wmi *wmi;
459 
460 	u16 fw_version_major;
461 	u16 fw_version_minor;
462 
463 	enum htc_endpoint_id wmi_cmd_ep;
464 	enum htc_endpoint_id beacon_ep;
465 	enum htc_endpoint_id cab_ep;
466 	enum htc_endpoint_id uapsd_ep;
467 	enum htc_endpoint_id mgmt_ep;
468 	enum htc_endpoint_id data_be_ep;
469 	enum htc_endpoint_id data_bk_ep;
470 	enum htc_endpoint_id data_vi_ep;
471 	enum htc_endpoint_id data_vo_ep;
472 
473 	u8 vif_slot;
474 	u8 mon_vif_idx;
475 	u8 sta_slot;
476 	u8 vif_sta_pos[ATH9K_HTC_MAX_VIF];
477 	u8 num_ibss_vif;
478 	u8 num_mbss_vif;
479 	u8 num_sta_vif;
480 	u8 num_sta_assoc_vif;
481 	u8 num_ap_vif;
482 
483 	u16 curtxpow;
484 	u16 txpowlimit;
485 	u16 nvifs;
486 	u16 nstations;
487 	bool rearm_ani;
488 	bool reconfig_beacon;
489 	unsigned int rxfilter;
490 	unsigned long op_flags;
491 	unsigned long fw_flags;
492 
493 	struct ath9k_hw_cal_data caldata;
494 	struct ath_spec_scan_priv spec_priv;
495 
496 	spinlock_t beacon_lock;
497 	struct ath_beacon_config cur_beacon_conf;
498 	struct htc_beacon beacon;
499 
500 	struct ath9k_htc_rx rx;
501 	struct ath9k_htc_tx tx;
502 
503 	struct tasklet_struct swba_tasklet;
504 	struct tasklet_struct rx_tasklet;
505 	struct delayed_work ani_work;
506 	struct tasklet_struct tx_failed_tasklet;
507 	struct work_struct ps_work;
508 	struct work_struct fatal_work;
509 
510 	struct mutex htc_pm_lock;
511 	unsigned long ps_usecount;
512 	bool ps_enabled;
513 	bool ps_idle;
514 
515 #ifdef CONFIG_MAC80211_LEDS
516 	enum led_brightness brightness;
517 	bool led_registered;
518 	char led_name[32];
519 	struct led_classdev led_cdev;
520 	struct work_struct led_work;
521 #endif
522 
523 	int cabq;
524 	int hwq_map[IEEE80211_NUM_ACS];
525 
526 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
527 	struct ath_btcoex btcoex;
528 #endif
529 
530 	struct delayed_work coex_period_work;
531 	struct delayed_work duty_cycle_work;
532 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
533 	struct ath9k_debug debug;
534 #endif
535 	struct mutex mutex;
536 	struct ieee80211_vif *csa_vif;
537 };
538 
ath_read_cachesize(struct ath_common * common,int * csz)539 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
540 {
541 	common->bus_ops->read_cachesize(common, csz);
542 }
543 
544 void ath9k_htc_reset(struct ath9k_htc_priv *priv);
545 
546 void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv,
547 			    struct ieee80211_vif *vif);
548 void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv,
549 			    struct ieee80211_vif *vif);
550 void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv,
551 			     struct ieee80211_vif *vif);
552 void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
553 void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
554 			     struct ieee80211_vif *vif);
555 void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
556 void ath9k_htc_swba(struct ath9k_htc_priv *priv,
557 		    struct wmi_event_swba *swba);
558 
559 void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
560 		    enum htc_endpoint_id ep_id);
561 void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
562 		    bool txok);
563 void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
564 			enum htc_endpoint_id ep_id, bool txok);
565 
566 int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv,
567 				u8 enable_coex);
568 void ath9k_htc_ani_work(struct work_struct *work);
569 void ath9k_htc_start_ani(struct ath9k_htc_priv *priv);
570 void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
571 
572 int ath9k_tx_init(struct ath9k_htc_priv *priv);
573 int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
574 		       struct ieee80211_sta *sta,
575 		       struct sk_buff *skb, u8 slot, bool is_cab);
576 void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
577 bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
578 int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
579 int get_hw_qnum(u16 queue, int *hwq_map);
580 int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
581 		       struct ath9k_tx_queue_info *qinfo);
582 void ath9k_htc_check_stop_queues(struct ath9k_htc_priv *priv);
583 void ath9k_htc_check_wake_queues(struct ath9k_htc_priv *priv);
584 int ath9k_htc_tx_get_slot(struct ath9k_htc_priv *priv);
585 void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot);
586 void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv);
587 void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event);
588 void ath9k_tx_failed_tasklet(struct tasklet_struct *t);
589 void ath9k_htc_tx_cleanup_timer(struct timer_list *t);
590 bool ath9k_htc_csa_is_finished(struct ath9k_htc_priv *priv);
591 
592 int ath9k_rx_init(struct ath9k_htc_priv *priv);
593 void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
594 void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
595 void ath9k_rx_tasklet(struct tasklet_struct *t);
596 u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
597 
598 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
599 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
600 void ath9k_ps_work(struct work_struct *work);
601 bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
602 			enum ath9k_power_mode mode);
603 
604 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
605 void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
606 
607 struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv);
608 
609 #ifdef CONFIG_MAC80211_LEDS
610 void ath9k_configure_leds(struct ath9k_htc_priv *priv);
611 void ath9k_init_leds(struct ath9k_htc_priv *priv);
612 void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
613 void ath9k_led_work(struct work_struct *work);
614 #else
ath9k_configure_leds(struct ath9k_htc_priv * priv)615 static inline void ath9k_configure_leds(struct ath9k_htc_priv *priv)
616 {
617 }
618 
ath9k_init_leds(struct ath9k_htc_priv * priv)619 static inline void ath9k_init_leds(struct ath9k_htc_priv *priv)
620 {
621 }
622 
ath9k_deinit_leds(struct ath9k_htc_priv * priv)623 static inline void ath9k_deinit_leds(struct ath9k_htc_priv *priv)
624 {
625 }
626 
ath9k_led_work(struct work_struct * work)627 static inline void ath9k_led_work(struct work_struct *work)
628 {
629 }
630 #endif
631 
632 int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
633 			   u16 devid, char *product, u32 drv_info);
634 void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
635 #ifdef CONFIG_PM
636 void ath9k_htc_suspend(struct htc_target *htc_handle);
637 int ath9k_htc_resume(struct htc_target *htc_handle);
638 #endif
639 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
640 int ath9k_htc_init_debug(struct ath_hw *ah);
641 void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv);
642 #else
ath9k_htc_init_debug(struct ath_hw * ah)643 static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
ath9k_htc_deinit_debug(struct ath9k_htc_priv * priv)644 static inline void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv)
645 {
646 }
647 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
648 
649 #endif /* HTC_H */
650