xref: /openbmc/linux/drivers/net/wireless/ath/ath9k/htc.h (revision e23feb16)
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 IEEE80211_MS_TO_TU(x)   (((x) * 1000) / 1024)
43 #define TSF_TO_TU(_h, _l) \
44 	((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
45 
46 extern struct ieee80211_ops ath9k_htc_ops;
47 extern int htc_modparam_nohwcrypt;
48 
49 enum htc_phymode {
50 	HTC_MODE_11NA		= 0,
51 	HTC_MODE_11NG		= 1
52 };
53 
54 enum htc_opmode {
55 	HTC_M_STA	= 1,
56 	HTC_M_IBSS	= 0,
57 	HTC_M_AHDEMO	= 3,
58 	HTC_M_HOSTAP	= 6,
59 	HTC_M_MONITOR	= 8,
60 	HTC_M_WDS	= 2
61 };
62 
63 #define ATH9K_HTC_AMPDU  1
64 #define ATH9K_HTC_NORMAL 2
65 #define ATH9K_HTC_BEACON 3
66 #define ATH9K_HTC_MGMT   4
67 
68 #define ATH9K_HTC_TX_CTSONLY      0x1
69 #define ATH9K_HTC_TX_RTSCTS       0x2
70 
71 struct tx_frame_hdr {
72 	u8 data_type;
73 	u8 node_idx;
74 	u8 vif_idx;
75 	u8 tidno;
76 	__be32 flags; /* ATH9K_HTC_TX_* */
77 	u8 key_type;
78 	u8 keyix;
79 	u8 cookie;
80 	u8 pad;
81 } __packed;
82 
83 struct tx_mgmt_hdr {
84 	u8 node_idx;
85 	u8 vif_idx;
86 	u8 tidno;
87 	u8 flags;
88 	u8 key_type;
89 	u8 keyix;
90 	u8 cookie;
91 	u8 pad;
92 } __packed;
93 
94 struct tx_beacon_header {
95 	u8 vif_index;
96 	u8 len_changed;
97 	u16 rev;
98 } __packed;
99 
100 #define MAX_TX_AMPDU_SUBFRAMES_9271 17
101 #define MAX_TX_AMPDU_SUBFRAMES_7010 22
102 
103 struct ath9k_htc_cap_target {
104 	__be32 ampdu_limit;
105 	u8 ampdu_subframes;
106 	u8 enable_coex;
107 	u8 tx_chainmask;
108 	u8 pad;
109 } __packed;
110 
111 struct ath9k_htc_target_vif {
112 	u8 index;
113 	u8 opmode;
114 	u8 myaddr[ETH_ALEN];
115 	u8 ath_cap;
116 	__be16 rtsthreshold;
117 	u8 pad;
118 } __packed;
119 
120 struct ath9k_htc_target_sta {
121 	u8 macaddr[ETH_ALEN];
122 	u8 bssid[ETH_ALEN];
123 	u8 sta_index;
124 	u8 vif_index;
125 	u8 is_vif_sta;
126 	__be16 flags;
127 	__be16 htcap;
128 	__be16 maxampdu;
129 	u8 pad;
130 } __packed;
131 
132 struct ath9k_htc_target_aggr {
133 	u8 sta_index;
134 	u8 tidno;
135 	u8 aggr_enable;
136 	u8 padding;
137 } __packed;
138 
139 #define ATH_HTC_RATE_MAX 30
140 
141 #define WLAN_RC_DS_FLAG  0x01
142 #define WLAN_RC_40_FLAG  0x02
143 #define WLAN_RC_SGI_FLAG 0x04
144 #define WLAN_RC_HT_FLAG  0x08
145 #define ATH_RC_TX_STBC_FLAG 0x20
146 
147 struct ath9k_htc_rateset {
148 	u8 rs_nrates;
149 	u8 rs_rates[ATH_HTC_RATE_MAX];
150 };
151 
152 struct ath9k_htc_rate {
153 	struct ath9k_htc_rateset legacy_rates;
154 	struct ath9k_htc_rateset ht_rates;
155 } __packed;
156 
157 struct ath9k_htc_target_rate {
158 	u8 sta_index;
159 	u8 isnew;
160 	__be32 capflags;
161 	struct ath9k_htc_rate rates;
162 };
163 
164 struct ath9k_htc_target_rate_mask {
165 	u8 vif_index;
166 	u8 band;
167 	__be32 mask;
168 	u16 pad;
169 } __packed;
170 
171 struct ath9k_htc_target_int_stats {
172 	__be32 rx;
173 	__be32 rxorn;
174 	__be32 rxeol;
175 	__be32 txurn;
176 	__be32 txto;
177 	__be32 cst;
178 } __packed;
179 
180 struct ath9k_htc_target_tx_stats {
181 	__be32 xretries;
182 	__be32 fifoerr;
183 	__be32 filtered;
184 	__be32 timer_exp;
185 	__be32 shortretries;
186 	__be32 longretries;
187 	__be32 qnull;
188 	__be32 encap_fail;
189 	__be32 nobuf;
190 } __packed;
191 
192 struct ath9k_htc_target_rx_stats {
193 	__be32 nobuf;
194 	__be32 host_send;
195 	__be32 host_done;
196 } __packed;
197 
198 #define ATH9K_HTC_MAX_VIF 2
199 #define ATH9K_HTC_MAX_BCN_VIF 2
200 
201 #define INC_VIF(_priv, _type) do {		\
202 		switch (_type) {		\
203 		case NL80211_IFTYPE_STATION:	\
204 			_priv->num_sta_vif++;	\
205 			break;			\
206 		case NL80211_IFTYPE_ADHOC:	\
207 			_priv->num_ibss_vif++;	\
208 			break;			\
209 		case NL80211_IFTYPE_AP:		\
210 			_priv->num_ap_vif++;	\
211 			break;			\
212 		case NL80211_IFTYPE_MESH_POINT:	\
213 			_priv->num_mbss_vif++;	\
214 			break;			\
215 		default:			\
216 			break;			\
217 		}				\
218 	} while (0)
219 
220 #define DEC_VIF(_priv, _type) do {		\
221 		switch (_type) {		\
222 		case NL80211_IFTYPE_STATION:	\
223 			_priv->num_sta_vif--;	\
224 			break;			\
225 		case NL80211_IFTYPE_ADHOC:	\
226 			_priv->num_ibss_vif--;	\
227 			break;			\
228 		case NL80211_IFTYPE_AP:		\
229 			_priv->num_ap_vif--;	\
230 			break;			\
231 		case NL80211_IFTYPE_MESH_POINT:	\
232 			_priv->num_mbss_vif--;	\
233 			break;			\
234 		default:			\
235 			break;			\
236 		}				\
237 	} while (0)
238 
239 struct ath9k_htc_vif {
240 	u8 index;
241 	u16 seq_no;
242 	bool beacon_configured;
243 	int bslot;
244 	__le64 tsfadjust;
245 };
246 
247 struct ath9k_vif_iter_data {
248 	const u8 *hw_macaddr;
249 	u8 mask[ETH_ALEN];
250 };
251 
252 #define ATH9K_HTC_MAX_STA 8
253 #define ATH9K_HTC_MAX_TID 8
254 
255 enum tid_aggr_state {
256 	AGGR_STOP = 0,
257 	AGGR_PROGRESS,
258 	AGGR_START,
259 	AGGR_OPERATIONAL
260 };
261 
262 struct ath9k_htc_sta {
263 	u8 index;
264 	enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID];
265 };
266 
267 #define ATH9K_HTC_RXBUF 256
268 #define HTC_RX_FRAME_HEADER_SIZE 40
269 
270 struct ath9k_htc_rxbuf {
271 	bool in_process;
272 	struct sk_buff *skb;
273 	struct ath_htc_rx_status rxstatus;
274 	struct list_head list;
275 };
276 
277 struct ath9k_htc_rx {
278 	int last_rssi; /* FIXME: per-STA */
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.rx_stats.c++)
329 #define RX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.rx_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_htc_rx_status *rxs);
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_rx_stats {
349 	u32 skb_allocated;
350 	u32 skb_completed;
351 	u32 skb_completed_bytes;
352 	u32 skb_dropped;
353 	u32 err_crc;
354 	u32 err_decrypt_crc;
355 	u32 err_mic;
356 	u32 err_pre_delim;
357 	u32 err_post_delim;
358 	u32 err_decrypt_busy;
359 	u32 err_phy;
360 	u32 err_phy_stats[ATH9K_PHYERR_MAX];
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 };
368 
369 void ath9k_htc_get_et_strings(struct ieee80211_hw *hw,
370 			      struct ieee80211_vif *vif,
371 			      u32 sset, u8 *data);
372 int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw,
373 				struct ieee80211_vif *vif, int sset);
374 void ath9k_htc_get_et_stats(struct ieee80211_hw *hw,
375 			    struct ieee80211_vif *vif,
376 			    struct ethtool_stats *stats, u64 *data);
377 #else
378 
379 #define TX_STAT_INC(c) do { } while (0)
380 #define TX_STAT_ADD(c, a) do { } while (0)
381 #define RX_STAT_INC(c) do { } while (0)
382 #define RX_STAT_ADD(c, a) do { } while (0)
383 #define CAB_STAT_INC   do { } while (0)
384 
385 #define TX_QSTAT_INC(c) do { } while (0)
386 
387 static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
388 					 struct ath_htc_rx_status *rxs)
389 {
390 }
391 
392 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
393 
394 #define ATH_LED_PIN_DEF             1
395 #define ATH_LED_PIN_9287            10
396 #define ATH_LED_PIN_9271            15
397 #define ATH_LED_PIN_7010            12
398 
399 #define BSTUCK_THRESHOLD 10
400 
401 /*
402  * Adjust these when the max. no of beaconing interfaces is
403  * increased.
404  */
405 #define DEFAULT_SWBA_RESPONSE 40 /* in TUs */
406 #define MIN_SWBA_RESPONSE     10 /* in TUs */
407 
408 struct htc_beacon_config {
409 	struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF];
410 	u16 beacon_interval;
411 	u16 dtim_period;
412 	u16 bmiss_timeout;
413 	u32 bmiss_cnt;
414 };
415 
416 struct ath_btcoex {
417 	u32 bt_priority_cnt;
418 	unsigned long bt_priority_time;
419 	int bt_stomp_type; /* Types of BT stomping */
420 	u32 btcoex_no_stomp;
421 	u32 btcoex_period;
422 	u32 btscan_no_stomp;
423 };
424 
425 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
426 void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product);
427 void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv);
428 void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv);
429 #else
430 static inline void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product)
431 {
432 }
433 static inline void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv)
434 {
435 }
436 static inline void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv)
437 {
438 }
439 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
440 
441 #define OP_INVALID		   BIT(0)
442 #define OP_SCANNING		   BIT(1)
443 #define OP_ENABLE_BEACON           BIT(2)
444 #define OP_BT_PRIORITY_DETECTED    BIT(3)
445 #define OP_BT_SCAN                 BIT(4)
446 #define OP_ANI_RUNNING             BIT(5)
447 #define OP_TSF_RESET               BIT(6)
448 
449 struct ath9k_htc_priv {
450 	struct device *dev;
451 	struct ieee80211_hw *hw;
452 	struct ath_hw *ah;
453 	struct htc_target *htc;
454 	struct wmi *wmi;
455 
456 	u16 fw_version_major;
457 	u16 fw_version_minor;
458 
459 	enum htc_endpoint_id wmi_cmd_ep;
460 	enum htc_endpoint_id beacon_ep;
461 	enum htc_endpoint_id cab_ep;
462 	enum htc_endpoint_id uapsd_ep;
463 	enum htc_endpoint_id mgmt_ep;
464 	enum htc_endpoint_id data_be_ep;
465 	enum htc_endpoint_id data_bk_ep;
466 	enum htc_endpoint_id data_vi_ep;
467 	enum htc_endpoint_id data_vo_ep;
468 
469 	u8 vif_slot;
470 	u8 mon_vif_idx;
471 	u8 sta_slot;
472 	u8 vif_sta_pos[ATH9K_HTC_MAX_VIF];
473 	u8 num_ibss_vif;
474 	u8 num_mbss_vif;
475 	u8 num_sta_vif;
476 	u8 num_sta_assoc_vif;
477 	u8 num_ap_vif;
478 
479 	u16 curtxpow;
480 	u16 txpowlimit;
481 	u16 nvifs;
482 	u16 nstations;
483 	bool rearm_ani;
484 	bool reconfig_beacon;
485 	unsigned int rxfilter;
486 	unsigned long op_flags;
487 
488 	struct ath9k_hw_cal_data caldata;
489 	struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
490 
491 	spinlock_t beacon_lock;
492 	struct htc_beacon_config cur_beacon_conf;
493 
494 	struct ath9k_htc_rx rx;
495 	struct ath9k_htc_tx tx;
496 
497 	struct tasklet_struct swba_tasklet;
498 	struct tasklet_struct rx_tasklet;
499 	struct delayed_work ani_work;
500 	struct tasklet_struct tx_failed_tasklet;
501 	struct work_struct ps_work;
502 	struct work_struct fatal_work;
503 
504 	struct mutex htc_pm_lock;
505 	unsigned long ps_usecount;
506 	bool ps_enabled;
507 	bool ps_idle;
508 
509 #ifdef CONFIG_MAC80211_LEDS
510 	enum led_brightness brightness;
511 	bool led_registered;
512 	char led_name[32];
513 	struct led_classdev led_cdev;
514 	struct work_struct led_work;
515 #endif
516 
517 	int beaconq;
518 	int cabq;
519 	int hwq_map[IEEE80211_NUM_ACS];
520 
521 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
522 	struct ath_btcoex btcoex;
523 #endif
524 
525 	struct delayed_work coex_period_work;
526 	struct delayed_work duty_cycle_work;
527 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
528 	struct ath9k_debug debug;
529 #endif
530 	struct mutex mutex;
531 };
532 
533 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
534 {
535 	common->bus_ops->read_cachesize(common, csz);
536 }
537 
538 void ath9k_htc_reset(struct ath9k_htc_priv *priv);
539 
540 void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv,
541 			    struct ieee80211_vif *vif);
542 void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv,
543 			    struct ieee80211_vif *vif);
544 void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv,
545 			     struct ieee80211_vif *vif);
546 void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
547 void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
548 			     struct ieee80211_vif *vif);
549 void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
550 void ath9k_htc_swba(struct ath9k_htc_priv *priv,
551 		    struct wmi_event_swba *swba);
552 
553 void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
554 		    enum htc_endpoint_id ep_id);
555 void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
556 		    bool txok);
557 void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
558 			enum htc_endpoint_id ep_id, bool txok);
559 
560 int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv,
561 				u8 enable_coex);
562 void ath9k_htc_ani_work(struct work_struct *work);
563 void ath9k_htc_start_ani(struct ath9k_htc_priv *priv);
564 void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
565 
566 int ath9k_tx_init(struct ath9k_htc_priv *priv);
567 int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
568 		       struct ieee80211_sta *sta,
569 		       struct sk_buff *skb, u8 slot, bool is_cab);
570 void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
571 bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
572 int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
573 int get_hw_qnum(u16 queue, int *hwq_map);
574 int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
575 		       struct ath9k_tx_queue_info *qinfo);
576 void ath9k_htc_check_stop_queues(struct ath9k_htc_priv *priv);
577 void ath9k_htc_check_wake_queues(struct ath9k_htc_priv *priv);
578 int ath9k_htc_tx_get_slot(struct ath9k_htc_priv *priv);
579 void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot);
580 void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv);
581 void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event);
582 void ath9k_tx_failed_tasklet(unsigned long data);
583 void ath9k_htc_tx_cleanup_timer(unsigned long data);
584 
585 int ath9k_rx_init(struct ath9k_htc_priv *priv);
586 void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
587 void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
588 void ath9k_rx_tasklet(unsigned long data);
589 u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
590 
591 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
592 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
593 void ath9k_ps_work(struct work_struct *work);
594 bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
595 			enum ath9k_power_mode mode);
596 
597 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
598 void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
599 
600 struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv);
601 
602 #ifdef CONFIG_MAC80211_LEDS
603 void ath9k_init_leds(struct ath9k_htc_priv *priv);
604 void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
605 void ath9k_led_work(struct work_struct *work);
606 #else
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 #else
630 static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
631 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
632 
633 #endif /* HTC_H */
634