xref: /openbmc/linux/drivers/net/wireless/ath/ath9k/htc.h (revision a015fbf6)
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 };
310 
311 struct ath9k_htc_tx_ctl {
312 	u8 type; /* ATH9K_HTC_* */
313 	u8 epid;
314 	u8 txok;
315 	u8 sta_idx;
316 	unsigned long timestamp;
317 };
318 
HTC_SKB_CB(struct sk_buff * skb)319 static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb)
320 {
321 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
322 
323 	BUILD_BUG_ON(sizeof(struct ath9k_htc_tx_ctl) >
324 		     IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
325 	return (struct ath9k_htc_tx_ctl *) &tx_info->driver_data;
326 }
327 
328 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
329 #define __STAT_SAFE(hif_dev, expr)	do { ((hif_dev)->htc_handle->drv_priv ? (expr) : 0); } while (0)
330 #define CAB_STAT_INC(priv)		do { ((priv)->debug.tx_stats.cab_queued++); } while (0)
331 #define TX_QSTAT_INC(priv, q)		do { ((priv)->debug.tx_stats.queue_stats[q]++); } while (0)
332 
333 #define TX_STAT_INC(hif_dev, c) \
334 		__STAT_SAFE((hif_dev), (hif_dev)->htc_handle->drv_priv->debug.tx_stats.c++)
335 #define TX_STAT_ADD(hif_dev, c, a) \
336 		__STAT_SAFE((hif_dev), (hif_dev)->htc_handle->drv_priv->debug.tx_stats.c += a)
337 #define RX_STAT_INC(hif_dev, c) \
338 		__STAT_SAFE((hif_dev), (hif_dev)->htc_handle->drv_priv->debug.skbrx_stats.c++)
339 #define RX_STAT_ADD(hif_dev, c, a) \
340 		__STAT_SAFE((hif_dev), (hif_dev)->htc_handle->drv_priv->debug.skbrx_stats.c += a)
341 
342 void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
343 			   struct ath_rx_status *rs);
344 
345 struct ath_tx_stats {
346 	u32 buf_queued;
347 	u32 buf_completed;
348 	u32 skb_queued;
349 	u32 skb_success;
350 	u32 skb_success_bytes;
351 	u32 skb_failed;
352 	u32 cab_queued;
353 	u32 queue_stats[IEEE80211_NUM_ACS];
354 };
355 
356 struct ath_skbrx_stats {
357 	u32 skb_allocated;
358 	u32 skb_completed;
359 	u32 skb_completed_bytes;
360 	u32 skb_dropped;
361 };
362 
363 struct ath9k_debug {
364 	struct dentry *debugfs_phy;
365 	struct ath_tx_stats tx_stats;
366 	struct ath_rx_stats rx_stats;
367 	struct ath_skbrx_stats skbrx_stats;
368 };
369 
370 void ath9k_htc_get_et_strings(struct ieee80211_hw *hw,
371 			      struct ieee80211_vif *vif,
372 			      u32 sset, u8 *data);
373 int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw,
374 				struct ieee80211_vif *vif, int sset);
375 void ath9k_htc_get_et_stats(struct ieee80211_hw *hw,
376 			    struct ieee80211_vif *vif,
377 			    struct ethtool_stats *stats, u64 *data);
378 #else
379 
380 #define TX_STAT_INC(hif_dev, c)		do { } while (0)
381 #define TX_STAT_ADD(hif_dev, c, a)	do { } while (0)
382 #define RX_STAT_INC(hif_dev, c)		do { } while (0)
383 #define RX_STAT_ADD(hif_dev, c, a)	do { } while (0)
384 
385 #define CAB_STAT_INC(priv)
386 #define TX_QSTAT_INC(priv, c)
387 
ath9k_htc_err_stat_rx(struct ath9k_htc_priv * priv,struct ath_rx_status * rs)388 static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
389 					 struct ath_rx_status *rs)
390 {
391 }
392 
393 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
394 
395 #define ATH_LED_PIN_DEF             1
396 #define ATH_LED_PIN_9287            10
397 #define ATH_LED_PIN_9271            15
398 #define ATH_LED_PIN_7010            12
399 
400 #define BSTUCK_THRESHOLD 10
401 
402 /*
403  * Adjust these when the max. no of beaconing interfaces is
404  * increased.
405  */
406 #define DEFAULT_SWBA_RESPONSE 40 /* in TUs */
407 #define MIN_SWBA_RESPONSE     10 /* in TUs */
408 
409 struct htc_beacon {
410 	enum {
411 		OK,		/* no change needed */
412 		UPDATE,		/* update pending */
413 		COMMIT		/* beacon sent, commit change */
414 	} updateslot;		/* slot time update fsm */
415 
416 	struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF];
417 	u32 bmisscnt;
418 	u32 beaconq;
419 	int slottime;
420 	int slotupdate;
421 };
422 
423 struct ath_btcoex {
424 	u32 bt_priority_cnt;
425 	unsigned long bt_priority_time;
426 	int bt_stomp_type; /* Types of BT stomping */
427 	u32 btcoex_no_stomp;
428 	u32 btcoex_period;
429 	u32 btscan_no_stomp;
430 };
431 
432 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
433 void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product);
434 void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv);
435 void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv);
436 #else
ath9k_htc_init_btcoex(struct ath9k_htc_priv * priv,char * product)437 static inline void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product)
438 {
439 }
ath9k_htc_start_btcoex(struct ath9k_htc_priv * priv)440 static inline void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv)
441 {
442 }
ath9k_htc_stop_btcoex(struct ath9k_htc_priv * priv)443 static inline void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv)
444 {
445 }
446 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
447 
448 #define OP_BT_PRIORITY_DETECTED    3
449 #define OP_BT_SCAN                 4
450 #define OP_TSF_RESET               6
451 
452 enum htc_op_flags {
453 	HTC_FWFLAG_NO_RMW,
454 };
455 
456 struct ath9k_htc_priv {
457 	struct device *dev;
458 	struct ieee80211_hw *hw;
459 	struct ath_hw *ah;
460 	struct htc_target *htc;
461 	struct wmi *wmi;
462 
463 	u16 fw_version_major;
464 	u16 fw_version_minor;
465 
466 	enum htc_endpoint_id wmi_cmd_ep;
467 	enum htc_endpoint_id beacon_ep;
468 	enum htc_endpoint_id cab_ep;
469 	enum htc_endpoint_id uapsd_ep;
470 	enum htc_endpoint_id mgmt_ep;
471 	enum htc_endpoint_id data_be_ep;
472 	enum htc_endpoint_id data_bk_ep;
473 	enum htc_endpoint_id data_vi_ep;
474 	enum htc_endpoint_id data_vo_ep;
475 
476 	u8 vif_slot;
477 	u8 mon_vif_idx;
478 	u8 sta_slot;
479 	u8 vif_sta_pos[ATH9K_HTC_MAX_VIF];
480 	u8 num_ibss_vif;
481 	u8 num_mbss_vif;
482 	u8 num_sta_vif;
483 	u8 num_sta_assoc_vif;
484 	u8 num_ap_vif;
485 
486 	u16 curtxpow;
487 	u16 txpowlimit;
488 	u16 nvifs;
489 	u16 nstations;
490 	bool rearm_ani;
491 	bool reconfig_beacon;
492 	unsigned int rxfilter;
493 	unsigned long op_flags;
494 	unsigned long fw_flags;
495 
496 	struct ath9k_hw_cal_data caldata;
497 	struct ath_spec_scan_priv spec_priv;
498 
499 	spinlock_t beacon_lock;
500 	struct ath_beacon_config cur_beacon_conf;
501 	struct htc_beacon beacon;
502 
503 	struct ath9k_htc_rx rx;
504 	struct ath9k_htc_tx tx;
505 
506 	struct tasklet_struct swba_tasklet;
507 	struct tasklet_struct rx_tasklet;
508 	struct delayed_work ani_work;
509 	struct tasklet_struct tx_failed_tasklet;
510 	struct work_struct ps_work;
511 	struct work_struct fatal_work;
512 
513 	struct mutex htc_pm_lock;
514 	unsigned long ps_usecount;
515 	bool ps_enabled;
516 	bool ps_idle;
517 	bool initialized;
518 
519 #ifdef CONFIG_MAC80211_LEDS
520 	enum led_brightness brightness;
521 	bool led_registered;
522 	char led_name[32];
523 	struct led_classdev led_cdev;
524 	struct work_struct led_work;
525 #endif
526 
527 	int cabq;
528 	int hwq_map[IEEE80211_NUM_ACS];
529 
530 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
531 	struct ath_btcoex btcoex;
532 #endif
533 
534 	struct delayed_work coex_period_work;
535 	struct delayed_work duty_cycle_work;
536 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
537 	struct ath9k_debug debug;
538 #endif
539 	struct mutex mutex;
540 	struct ieee80211_vif *csa_vif;
541 };
542 
ath_read_cachesize(struct ath_common * common,int * csz)543 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
544 {
545 	common->bus_ops->read_cachesize(common, csz);
546 }
547 
548 void ath9k_htc_reset(struct ath9k_htc_priv *priv);
549 
550 void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv,
551 			    struct ieee80211_vif *vif);
552 void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv,
553 			    struct ieee80211_vif *vif);
554 void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv,
555 			     struct ieee80211_vif *vif);
556 void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
557 void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
558 			     struct ieee80211_vif *vif);
559 void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
560 void ath9k_htc_swba(struct ath9k_htc_priv *priv,
561 		    struct wmi_event_swba *swba);
562 
563 void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
564 		    enum htc_endpoint_id ep_id);
565 void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
566 		    bool txok);
567 void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
568 			enum htc_endpoint_id ep_id, bool txok);
569 
570 int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv,
571 				u8 enable_coex);
572 void ath9k_htc_ani_work(struct work_struct *work);
573 void ath9k_htc_start_ani(struct ath9k_htc_priv *priv);
574 void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
575 
576 int ath9k_tx_init(struct ath9k_htc_priv *priv);
577 int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
578 		       struct ieee80211_sta *sta,
579 		       struct sk_buff *skb, u8 slot, bool is_cab);
580 void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
581 bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
582 int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
583 int get_hw_qnum(u16 queue, int *hwq_map);
584 int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
585 		       struct ath9k_tx_queue_info *qinfo);
586 void ath9k_htc_check_stop_queues(struct ath9k_htc_priv *priv);
587 void ath9k_htc_check_wake_queues(struct ath9k_htc_priv *priv);
588 int ath9k_htc_tx_get_slot(struct ath9k_htc_priv *priv);
589 void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot);
590 void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv);
591 void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event);
592 void ath9k_tx_failed_tasklet(struct tasklet_struct *t);
593 void ath9k_htc_tx_cleanup_timer(struct timer_list *t);
594 bool ath9k_htc_csa_is_finished(struct ath9k_htc_priv *priv);
595 
596 int ath9k_rx_init(struct ath9k_htc_priv *priv);
597 void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
598 void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
599 void ath9k_rx_tasklet(struct tasklet_struct *t);
600 u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
601 
602 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
603 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
604 void ath9k_ps_work(struct work_struct *work);
605 bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
606 			enum ath9k_power_mode mode);
607 
608 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
609 void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
610 
611 struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv);
612 
613 #ifdef CONFIG_MAC80211_LEDS
614 void ath9k_configure_leds(struct ath9k_htc_priv *priv);
615 void ath9k_init_leds(struct ath9k_htc_priv *priv);
616 void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
617 void ath9k_led_work(struct work_struct *work);
618 #else
ath9k_configure_leds(struct ath9k_htc_priv * priv)619 static inline void ath9k_configure_leds(struct ath9k_htc_priv *priv)
620 {
621 }
622 
ath9k_init_leds(struct ath9k_htc_priv * priv)623 static inline void ath9k_init_leds(struct ath9k_htc_priv *priv)
624 {
625 }
626 
ath9k_deinit_leds(struct ath9k_htc_priv * priv)627 static inline void ath9k_deinit_leds(struct ath9k_htc_priv *priv)
628 {
629 }
630 
ath9k_led_work(struct work_struct * work)631 static inline void ath9k_led_work(struct work_struct *work)
632 {
633 }
634 #endif
635 
636 int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
637 			   u16 devid, char *product, u32 drv_info);
638 void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
639 #ifdef CONFIG_PM
640 void ath9k_htc_suspend(struct htc_target *htc_handle);
641 int ath9k_htc_resume(struct htc_target *htc_handle);
642 #endif
643 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
644 int ath9k_htc_init_debug(struct ath_hw *ah);
645 void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv);
646 #else
ath9k_htc_init_debug(struct ath_hw * ah)647 static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
ath9k_htc_deinit_debug(struct ath9k_htc_priv * priv)648 static inline void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv)
649 {
650 }
651 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
652 
653 #endif /* HTC_H */
654