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
45extern struct ieee80211_ops ath9k_htc_ops;
46extern int htc_modparam_nohwcrypt;
47#ifdef CONFIG_MAC80211_LEDS
48extern int ath9k_htc_led_blink;
49#endif
50
51enum htc_phymode {
52	HTC_MODE_11NA		= 0,
53	HTC_MODE_11NG		= 1
54};
55
56enum 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
73struct 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
85struct 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
96struct 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
105struct 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
113struct 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
122struct 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
134struct 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
149struct ath9k_htc_rateset {
150	u8 rs_nrates;
151	u8 rs_rates[ATH_HTC_RATE_MAX];
152};
153
154struct ath9k_htc_rate {
155	struct ath9k_htc_rateset legacy_rates;
156	struct ath9k_htc_rateset ht_rates;
157} __packed;
158
159struct ath9k_htc_target_rate {
160	u8 sta_index;
161	u8 isnew;
162	__be32 capflags;
163	struct ath9k_htc_rate rates;
164};
165
166struct ath9k_htc_target_rate_mask {
167	u8 vif_index;
168	u8 band;
169	__be32 mask;
170	u16 pad;
171} __packed;
172
173struct 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
182struct 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
194struct 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
241struct ath9k_htc_vif {
242	u8 index;
243	u16 seq_no;
244	bool beacon_configured;
245	int bslot;
246	__le64 tsfadjust;
247};
248
249struct 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
257enum tid_aggr_state {
258	AGGR_STOP = 0,
259	AGGR_PROGRESS,
260	AGGR_START,
261	AGGR_OPERATIONAL
262};
263
264struct 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
274struct 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
281struct 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
296struct 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
311struct 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
319static 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
342void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
343			   struct ath_rx_status *rs);
344
345struct 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
356struct ath_skbrx_stats {
357	u32 skb_allocated;
358	u32 skb_completed;
359	u32 skb_completed_bytes;
360	u32 skb_dropped;
361};
362
363struct 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
370void ath9k_htc_get_et_strings(struct ieee80211_hw *hw,
371			      struct ieee80211_vif *vif,
372			      u32 sset, u8 *data);
373int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw,
374				struct ieee80211_vif *vif, int sset);
375void 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
388static 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
409struct 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
423struct 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
433void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product);
434void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv);
435void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv);
436#else
437static inline void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product)
438{
439}
440static inline void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv)
441{
442}
443static 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
452enum htc_op_flags {
453	HTC_FWFLAG_NO_RMW,
454};
455
456struct 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
543static inline void ath_read_cachesize(struct ath_common *common, int *csz)
544{
545	common->bus_ops->read_cachesize(common, csz);
546}
547
548void ath9k_htc_reset(struct ath9k_htc_priv *priv);
549
550void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv,
551			    struct ieee80211_vif *vif);
552void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv,
553			    struct ieee80211_vif *vif);
554void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv,
555			     struct ieee80211_vif *vif);
556void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
557void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
558			     struct ieee80211_vif *vif);
559void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
560void ath9k_htc_swba(struct ath9k_htc_priv *priv,
561		    struct wmi_event_swba *swba);
562
563void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
564		    enum htc_endpoint_id ep_id);
565void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
566		    bool txok);
567void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
568			enum htc_endpoint_id ep_id, bool txok);
569
570int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv,
571				u8 enable_coex);
572void ath9k_htc_ani_work(struct work_struct *work);
573void ath9k_htc_start_ani(struct ath9k_htc_priv *priv);
574void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
575
576int ath9k_tx_init(struct ath9k_htc_priv *priv);
577int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
578		       struct ieee80211_sta *sta,
579		       struct sk_buff *skb, u8 slot, bool is_cab);
580void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
581bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
582int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
583int get_hw_qnum(u16 queue, int *hwq_map);
584int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
585		       struct ath9k_tx_queue_info *qinfo);
586void ath9k_htc_check_stop_queues(struct ath9k_htc_priv *priv);
587void ath9k_htc_check_wake_queues(struct ath9k_htc_priv *priv);
588int ath9k_htc_tx_get_slot(struct ath9k_htc_priv *priv);
589void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot);
590void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv);
591void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event);
592void ath9k_tx_failed_tasklet(struct tasklet_struct *t);
593void ath9k_htc_tx_cleanup_timer(struct timer_list *t);
594bool ath9k_htc_csa_is_finished(struct ath9k_htc_priv *priv);
595
596int ath9k_rx_init(struct ath9k_htc_priv *priv);
597void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
598void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
599void ath9k_rx_tasklet(struct tasklet_struct *t);
600u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
601
602void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
603void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
604void ath9k_ps_work(struct work_struct *work);
605bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
606			enum ath9k_power_mode mode);
607
608void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
609void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
610
611struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv);
612
613#ifdef CONFIG_MAC80211_LEDS
614void ath9k_configure_leds(struct ath9k_htc_priv *priv);
615void ath9k_init_leds(struct ath9k_htc_priv *priv);
616void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
617void ath9k_led_work(struct work_struct *work);
618#else
619static inline void ath9k_configure_leds(struct ath9k_htc_priv *priv)
620{
621}
622
623static inline void ath9k_init_leds(struct ath9k_htc_priv *priv)
624{
625}
626
627static inline void ath9k_deinit_leds(struct ath9k_htc_priv *priv)
628{
629}
630
631static inline void ath9k_led_work(struct work_struct *work)
632{
633}
634#endif
635
636int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
637			   u16 devid, char *product, u32 drv_info);
638void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
639#ifdef CONFIG_PM
640void ath9k_htc_suspend(struct htc_target *htc_handle);
641int ath9k_htc_resume(struct htc_target *htc_handle);
642#endif
643#ifdef CONFIG_ATH9K_HTC_DEBUGFS
644int ath9k_htc_init_debug(struct ath_hw *ah);
645void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv);
646#else
647static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
648static 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