2 * Copyright (c) 2008-2011 Atheros Communications Inc.
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.
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.
20 #include <linux/etherdevice.h>
21 #include <linux/device.h>
22 #include <linux/interrupt.h>
23 #include <linux/leds.h>
24 #include <linux/completion.h>
25 #include <linux/time.h>
35 extern struct ieee80211_ops ath9k_ops;
36 extern int ath9k_modparam_nohwcrypt;
38 extern bool is_ath9k_unloaded;
39 extern int ath9k_use_chanctx;
41 /*************************/
42 /* Descriptor Management */
43 /*************************/
45 #define ATH_TXSTATUS_RING_SIZE 512
47 /* Macro to expand scalars to 64-bit objects */
48 #define ito64(x) (sizeof(x) == 1) ? \
49 (((unsigned long long int)(x)) & (0xff)) : \
51 (((unsigned long long int)(x)) & 0xffff) : \
53 (((unsigned long long int)(x)) & 0xffffffff) : \
54 (unsigned long long int)(x))
56 #define ATH_TXBUF_RESET(_bf) do { \
57 (_bf)->bf_lastbf = NULL; \
58 (_bf)->bf_next = NULL; \
59 memset(&((_bf)->bf_state), 0, \
60 sizeof(struct ath_buf_state)); \
63 #define DS2PHYS(_dd, _ds) \
64 ((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc))
65 #define ATH_DESC_4KB_BOUND_CHECK(_daddr) ((((_daddr) & 0xFFF) > 0xF7F) ? 1 : 0)
66 #define ATH_DESC_4KB_BOUND_NUM_SKIPPED(_len) ((_len) / 4096)
70 dma_addr_t dd_desc_paddr;
74 int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
75 struct list_head *head, const char *name,
76 int nbuf, int ndesc, bool is_tx);
82 #define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i))
84 /* increment with wrap-around */
85 #define INCR(_l, _sz) do { \
87 (_l) &= ((_sz) - 1); \
92 #define ATH_TXBUF_RESERVE 5
93 #define ATH_MAX_QDEPTH (ATH_TXBUF / 4 - ATH_TXBUF_RESERVE)
94 #define ATH_TXMAXTRY 13
95 #define ATH_MAX_SW_RETRIES 30
97 #define TID_TO_WME_AC(_tid) \
98 ((((_tid) == 0) || ((_tid) == 3)) ? IEEE80211_AC_BE : \
99 (((_tid) == 1) || ((_tid) == 2)) ? IEEE80211_AC_BK : \
100 (((_tid) == 4) || ((_tid) == 5)) ? IEEE80211_AC_VI : \
103 #define ATH_AGGR_DELIM_SZ 4
104 #define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */
105 /* number of delimiters for encryption padding */
106 #define ATH_AGGR_ENCRYPTDELIM 10
107 /* minimum h/w qdepth to be sustained to maximize aggregation */
108 #define ATH_AGGR_MIN_QDEPTH 2
109 /* minimum h/w qdepth for non-aggregated traffic */
110 #define ATH_NON_AGGR_MIN_QDEPTH 8
111 #define ATH_TX_COMPLETE_POLL_INT 1000
112 #define ATH_TXFIFO_DEPTH 8
113 #define ATH_TX_ERROR 0x01
115 /* Stop tx traffic 1ms before the GO goes away */
116 #define ATH_P2P_PS_STOP_TIME 1000
118 #define IEEE80211_SEQ_SEQ_SHIFT 4
119 #define IEEE80211_SEQ_MAX 4096
120 #define IEEE80211_WEP_IVLEN 3
121 #define IEEE80211_WEP_KIDLEN 1
122 #define IEEE80211_WEP_CRCLEN 4
123 #define IEEE80211_MAX_MPDU_LEN (3840 + FCS_LEN + \
124 (IEEE80211_WEP_IVLEN + \
125 IEEE80211_WEP_KIDLEN + \
126 IEEE80211_WEP_CRCLEN))
128 /* return whether a bit at index _n in bitmap _bm is set
129 * _sz is the size of the bitmap */
130 #define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \
131 ((_bm)[(_n) >> 5] & (1 << ((_n) & 31))))
133 /* return block-ack bitmap index given sequence and starting sequence */
134 #define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1))
136 /* return the seqno for _start + _offset */
137 #define ATH_BA_INDEX2SEQ(_seq, _offset) (((_seq) + (_offset)) & (IEEE80211_SEQ_MAX - 1))
139 /* returns delimiter padding required given the packet length */
140 #define ATH_AGGR_GET_NDELIM(_len) \
141 (((_len) >= ATH_AGGR_MINPLEN) ? 0 : \
142 DIV_ROUND_UP(ATH_AGGR_MINPLEN - (_len), ATH_AGGR_DELIM_SZ))
144 #define BAW_WITHIN(_start, _bawsz, _seqno) \
145 ((((_seqno) - (_start)) & 4095) < (_bawsz))
147 #define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)])
149 #define IS_HT_RATE(rate) (rate & 0x80)
150 #define IS_CCK_RATE(rate) ((rate >= 0x18) && (rate <= 0x1e))
151 #define IS_OFDM_RATE(rate) ((rate >= 0x8) && (rate <= 0xf))
159 int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */
160 u32 axq_qnum; /* ath9k hardware queue number */
162 struct list_head axq_q;
167 bool axq_tx_inprogress;
168 struct list_head txq_fifo[ATH_TXFIFO_DEPTH];
172 struct sk_buff_head complete_q;
177 struct list_head list;
178 struct list_head tid_q;
179 bool clear_ps_filter;
183 struct ath_frame_info {
187 enum ath9k_key_type keytype;
195 struct list_head list;
196 struct sk_buff *bf_mpdu;
199 dma_addr_t bf_buf_addr;
203 * enum buffer_type - Buffer type flags
205 * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX)
206 * @BUF_AGGR: Indicates whether the buffer can be aggregated
207 * (used in aggregation scheduling)
214 #define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU)
215 #define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR)
217 struct ath_buf_state {
223 unsigned long bfs_paprd_timestamp;
227 struct list_head list;
228 struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or
230 struct ath_buf *bf_next; /* next subframe in the aggregate */
231 struct sk_buff *bf_mpdu; /* enclosing frame structure */
232 void *bf_desc; /* virtual addr of desc */
233 dma_addr_t bf_daddr; /* physical addr of desc */
234 dma_addr_t bf_buf_addr; /* physical addr of data buffer, for DMA */
235 struct ieee80211_tx_rate rates[4];
236 struct ath_buf_state bf_state;
240 struct list_head list;
241 struct sk_buff_head buf_q;
242 struct sk_buff_head retry_q;
244 struct ath_atx_ac *ac;
245 unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)];
250 int baw_head; /* first un-acked tx buffer */
251 int baw_tail; /* next unused tx buffer slot */
259 struct ath_softc *sc;
260 struct ieee80211_sta *sta; /* station struct we're part of */
261 struct ieee80211_vif *vif; /* interface with which we're associated */
262 struct ath_atx_tid tid[IEEE80211_NUM_TIDS];
263 struct ath_atx_ac ac[IEEE80211_NUM_ACS];
272 #ifdef CONFIG_ATH9K_STATION_STATISTICS
273 struct ath_rx_rate_stats rx_rate_stats;
278 struct ath_tx_control {
281 struct ieee80211_sta *sta;
288 * @txq_map: Index is mac80211 queue number. This is
289 * not necessarily the same as the hardware queue number
295 spinlock_t txbuflock;
296 struct list_head txbuf;
297 struct ath_txq txq[ATH9K_NUM_TX_QUEUES];
298 struct ath_descdma txdma;
299 struct ath_txq *txq_map[IEEE80211_NUM_ACS];
300 struct ath_txq *uapsdq;
301 u32 txq_max_pending[IEEE80211_NUM_ACS];
302 u16 max_aggr_framelen[IEEE80211_NUM_ACS][4][32];
306 struct sk_buff_head rx_fifo;
316 unsigned int rxfilter;
317 struct list_head rxbuf;
318 struct ath_descdma rxdma;
319 struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX];
321 struct ath_rxbuf *buf_hold;
322 struct sk_buff *frag;
328 struct cfg80211_chan_def chandef;
329 struct list_head vifs;
330 struct list_head acq[IEEE80211_NUM_ACS];
333 /* do not dereference, use for comparison only */
334 struct ieee80211_vif *primary_sta;
336 struct ath_beacon_config beacon;
337 struct ath9k_hw_cal_data caldata;
338 struct timespec tsf_ts;
347 bool switch_after_beacon;
350 enum ath_chanctx_event {
351 ATH_CHANCTX_EVENT_BEACON_PREPARE,
352 ATH_CHANCTX_EVENT_BEACON_SENT,
353 ATH_CHANCTX_EVENT_TSF_TIMER,
354 ATH_CHANCTX_EVENT_BEACON_RECEIVED,
355 ATH_CHANCTX_EVENT_ASSOC,
356 ATH_CHANCTX_EVENT_SWITCH,
357 ATH_CHANCTX_EVENT_UNASSIGN,
358 ATH_CHANCTX_EVENT_ENABLE_MULTICHANNEL,
361 enum ath_chanctx_state {
362 ATH_CHANCTX_STATE_IDLE,
363 ATH_CHANCTX_STATE_WAIT_FOR_BEACON,
364 ATH_CHANCTX_STATE_WAIT_FOR_TIMER,
365 ATH_CHANCTX_STATE_SWITCH,
366 ATH_CHANCTX_STATE_FORCE_ACTIVE,
369 struct ath_chanctx_sched {
371 bool offchannel_pending;
372 enum ath_chanctx_state state;
376 u32 switch_start_time;
377 unsigned int offchannel_duration;
378 unsigned int channel_switch_time;
380 /* backup, in case the hardware timer fails */
381 struct timer_list timer;
384 enum ath_offchannel_state {
386 ATH_OFFCHANNEL_PROBE_SEND,
387 ATH_OFFCHANNEL_PROBE_WAIT,
388 ATH_OFFCHANNEL_SUSPEND,
389 ATH_OFFCHANNEL_ROC_START,
390 ATH_OFFCHANNEL_ROC_WAIT,
391 ATH_OFFCHANNEL_ROC_DONE,
394 struct ath_offchannel {
395 struct ath_chanctx chan;
396 struct timer_list timer;
397 struct cfg80211_scan_request *scan_req;
398 struct ieee80211_vif *scan_vif;
400 enum ath_offchannel_state state;
401 struct ieee80211_channel *roc_chan;
402 struct ieee80211_vif *roc_vif;
406 #define ath_for_each_chanctx(_sc, _ctx) \
407 for (ctx = &sc->chanctx[0]; \
408 ctx <= &sc->chanctx[ARRAY_SIZE(sc->chanctx) - 1]; \
411 static inline struct ath_chanctx *
412 ath_chanctx_get(struct ieee80211_chanctx_conf *ctx)
414 struct ath_chanctx **ptr = (void *) ctx->drv_priv;
417 void ath_chanctx_init(struct ath_softc *sc);
418 void ath_chanctx_set_channel(struct ath_softc *sc, struct ath_chanctx *ctx,
419 struct cfg80211_chan_def *chandef);
420 #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
421 bool ath9k_is_chanctx_enabled(void);
422 void ath9k_fill_chanctx_ops(void);
423 void ath9k_init_channel_context(struct ath_softc *sc);
424 void ath9k_offchannel_init(struct ath_softc *sc);
425 void ath9k_deinit_channel_context(struct ath_softc *sc);
426 int ath9k_init_p2p(struct ath_softc *sc);
427 void ath9k_deinit_p2p(struct ath_softc *sc);
428 void ath9k_p2p_remove_vif(struct ath_softc *sc,
429 struct ieee80211_vif *vif);
430 void ath9k_p2p_beacon_sync(struct ath_softc *sc);
431 void ath9k_p2p_bss_info_changed(struct ath_softc *sc,
432 struct ieee80211_vif *vif);
433 void ath9k_p2p_ps_timer(void *priv);
434 void ath9k_chanctx_wake_queues(struct ath_softc *sc);
435 void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx);
437 void ath_chanctx_beacon_recv_ev(struct ath_softc *sc, u32 ts,
438 enum ath_chanctx_event ev);
439 void ath_chanctx_beacon_sent_ev(struct ath_softc *sc,
440 enum ath_chanctx_event ev);
441 void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif,
442 enum ath_chanctx_event ev);
443 void ath_chanctx_set_next(struct ath_softc *sc, bool force);
444 void ath_offchannel_next(struct ath_softc *sc);
445 void ath_scan_complete(struct ath_softc *sc, bool abort);
446 void ath_roc_complete(struct ath_softc *sc, bool abort);
448 static inline bool ath9k_is_chanctx_enabled(void)
452 static inline void ath9k_fill_chanctx_ops(void)
455 static inline void ath9k_init_channel_context(struct ath_softc *sc)
458 static inline void ath9k_offchannel_init(struct ath_softc *sc)
461 static inline void ath9k_deinit_channel_context(struct ath_softc *sc)
464 static inline void ath_chanctx_beacon_recv_ev(struct ath_softc *sc, u32 ts,
465 enum ath_chanctx_event ev)
468 static inline void ath_chanctx_beacon_sent_ev(struct ath_softc *sc,
469 enum ath_chanctx_event ev)
472 static inline void ath_chanctx_event(struct ath_softc *sc,
473 struct ieee80211_vif *vif,
474 enum ath_chanctx_event ev)
477 static inline int ath9k_init_p2p(struct ath_softc *sc)
481 static inline void ath9k_deinit_p2p(struct ath_softc *sc)
484 static inline void ath9k_p2p_remove_vif(struct ath_softc *sc,
485 struct ieee80211_vif *vif)
488 static inline void ath9k_p2p_beacon_sync(struct ath_softc *sc)
491 static inline void ath9k_p2p_bss_info_changed(struct ath_softc *sc,
492 struct ieee80211_vif *vif)
495 static inline void ath9k_p2p_ps_timer(struct ath_softc *sc)
498 static inline void ath9k_chanctx_wake_queues(struct ath_softc *sc)
501 static inline void ath_chanctx_check_active(struct ath_softc *sc,
502 struct ath_chanctx *ctx)
505 #endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */
507 int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan);
508 int ath_startrecv(struct ath_softc *sc);
509 bool ath_stoprecv(struct ath_softc *sc);
510 u32 ath_calcrxfilter(struct ath_softc *sc);
511 int ath_rx_init(struct ath_softc *sc, int nbufs);
512 void ath_rx_cleanup(struct ath_softc *sc);
513 int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp);
514 struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
515 void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq);
516 void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq);
517 void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq);
518 void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
519 bool ath_drain_all_txq(struct ath_softc *sc);
520 void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq);
521 void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
522 void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
523 void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
524 void ath_txq_schedule_all(struct ath_softc *sc);
525 int ath_tx_init(struct ath_softc *sc, int nbufs);
526 int ath_txq_update(struct ath_softc *sc, int qnum,
527 struct ath9k_tx_queue_info *q);
528 void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop);
529 int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
530 struct ath_tx_control *txctl);
531 void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
532 struct sk_buff *skb);
533 void ath_tx_tasklet(struct ath_softc *sc);
534 void ath_tx_edma_tasklet(struct ath_softc *sc);
535 int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
537 void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
538 void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
540 void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an);
541 void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc,
542 struct ath_node *an);
543 void ath9k_release_buffered_frames(struct ieee80211_hw *hw,
544 struct ieee80211_sta *sta,
545 u16 tids, int nframes,
546 enum ieee80211_frame_release_type reason,
554 struct list_head list;
556 struct ieee80211_vif *vif;
557 struct ath_node mcast_node;
559 __le64 tsf_adjust; /* TSF adjustment for staggered beacons */
560 struct ath_buf *av_bcbuf;
561 struct ath_chanctx *chanctx;
564 struct ieee80211_noa_data noa;
568 u32 offchannel_start;
569 u32 offchannel_duration;
571 u32 periodic_noa_start;
572 u32 periodic_noa_duration;
575 struct ath9k_vif_iter_data {
576 u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */
577 u8 mask[ETH_ALEN]; /* bssid mask */
582 int naps; /* number of AP vifs */
583 int nmeshes; /* number of mesh vifs */
584 int nstations; /* number of station vifs */
585 int nwds; /* number of WDS vifs */
586 int nadhocs; /* number of adhoc vifs */
587 struct ieee80211_vif *primary_sta;
590 void ath9k_calculate_iter_data(struct ath_softc *sc,
591 struct ath_chanctx *ctx,
592 struct ath9k_vif_iter_data *iter_data);
593 void ath9k_calculate_summary_state(struct ath_softc *sc,
594 struct ath_chanctx *ctx);
596 /*******************/
597 /* Beacon Handling */
598 /*******************/
601 * Regardless of the number of beacons we stagger, (i.e. regardless of the
602 * number of BSSIDs) if a given beacon does not go out even after waiting this
603 * number of beacon intervals, the game's up.
605 #define BSTUCK_THRESH 9
607 #define ATH_DEFAULT_BINTVAL 100 /* TU */
608 #define ATH_DEFAULT_BMISS_LIMIT 10
610 #define TSF_TO_TU(_h,_l) \
611 ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
615 OK, /* no change needed */
616 UPDATE, /* update pending */
617 COMMIT /* beacon sent, commit change */
618 } updateslot; /* slot time update fsm */
622 struct ieee80211_vif *bslot[ATH_BCBUF];
625 struct ath_descdma bdma;
626 struct ath_txq *cabq;
627 struct list_head bbuf;
633 void ath9k_beacon_tasklet(unsigned long data);
634 void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif,
636 void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
637 void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
638 void ath9k_set_beacon(struct ath_softc *sc);
639 bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif);
640 void ath9k_csa_update(struct ath_softc *sc);
642 /*******************/
643 /* Link Monitoring */
644 /*******************/
646 #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */
647 #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */
648 #define ATH_ANI_POLLINTERVAL_OLD 100 /* 100 ms */
649 #define ATH_ANI_POLLINTERVAL_NEW 1000 /* 1000 ms */
650 #define ATH_LONG_CALINTERVAL_INT 1000 /* 1000 ms */
651 #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
652 #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
653 #define ATH_ANI_MAX_SKIP_COUNT 10
654 #define ATH_PAPRD_TIMEOUT 100 /* msecs */
655 #define ATH_PLL_WORK_INTERVAL 100
657 void ath_tx_complete_poll_work(struct work_struct *work);
658 void ath_reset_work(struct work_struct *work);
659 bool ath_hw_check(struct ath_softc *sc);
660 void ath_hw_pll_work(struct work_struct *work);
661 void ath_paprd_calibrate(struct work_struct *work);
662 void ath_ani_calibrate(unsigned long data);
663 void ath_start_ani(struct ath_softc *sc);
664 void ath_stop_ani(struct ath_softc *sc);
665 void ath_check_ani(struct ath_softc *sc);
666 int ath_update_survey_stats(struct ath_softc *sc);
667 void ath_update_survey_nf(struct ath_softc *sc, int channel);
668 void ath9k_queue_reset(struct ath_softc *sc, enum ath_reset_type type);
669 void ath_ps_full_sleep(unsigned long data);
670 void __ath9k_flush(struct ieee80211_hw *hw, u32 queues, bool drop);
676 #define ATH_DUMP_BTCOEX(_s, _val) \
678 len += scnprintf(buf + len, size - len, \
679 "%20s : %10d\n", _s, (_val)); \
683 BT_OP_PRIORITY_DETECTED,
688 spinlock_t btcoex_lock;
689 struct timer_list period_timer; /* Timer for BT period */
690 struct timer_list no_stomp_timer;
692 unsigned long bt_priority_time;
693 unsigned long op_flags;
694 int bt_stomp_type; /* Types of BT stomping */
695 u32 btcoex_no_stomp; /* in msec */
696 u32 btcoex_period; /* in msec */
697 u32 btscan_no_stomp; /* in msec */
701 struct ath_mci_profile mci;
705 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
706 int ath9k_init_btcoex(struct ath_softc *sc);
707 void ath9k_deinit_btcoex(struct ath_softc *sc);
708 void ath9k_start_btcoex(struct ath_softc *sc);
709 void ath9k_stop_btcoex(struct ath_softc *sc);
710 void ath9k_btcoex_timer_resume(struct ath_softc *sc);
711 void ath9k_btcoex_timer_pause(struct ath_softc *sc);
712 void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status);
713 u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen);
714 void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc);
715 int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size);
717 static inline int ath9k_init_btcoex(struct ath_softc *sc)
721 static inline void ath9k_deinit_btcoex(struct ath_softc *sc)
724 static inline void ath9k_start_btcoex(struct ath_softc *sc)
727 static inline void ath9k_stop_btcoex(struct ath_softc *sc)
730 static inline void ath9k_btcoex_handle_interrupt(struct ath_softc *sc,
734 static inline u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc,
735 u32 max_4ms_framelen)
739 static inline void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)
742 static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size)
746 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
748 /********************/
750 /********************/
752 #define ATH_LED_PIN_DEF 1
753 #define ATH_LED_PIN_9287 8
754 #define ATH_LED_PIN_9300 10
755 #define ATH_LED_PIN_9485 6
756 #define ATH_LED_PIN_9462 4
758 #ifdef CONFIG_MAC80211_LEDS
759 void ath_init_leds(struct ath_softc *sc);
760 void ath_deinit_leds(struct ath_softc *sc);
761 void ath_fill_led_pin(struct ath_softc *sc);
763 static inline void ath_init_leds(struct ath_softc *sc)
767 static inline void ath_deinit_leds(struct ath_softc *sc)
770 static inline void ath_fill_led_pin(struct ath_softc *sc)
775 /************************/
776 /* Wake on Wireless LAN */
777 /************************/
779 struct ath9k_wow_pattern {
780 u8 pattern_bytes[MAX_PATTERN_SIZE];
781 u8 mask_bytes[MAX_PATTERN_SIZE];
785 #ifdef CONFIG_ATH9K_WOW
786 void ath9k_init_wow(struct ieee80211_hw *hw);
787 int ath9k_suspend(struct ieee80211_hw *hw,
788 struct cfg80211_wowlan *wowlan);
789 int ath9k_resume(struct ieee80211_hw *hw);
790 void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled);
792 static inline void ath9k_init_wow(struct ieee80211_hw *hw)
795 static inline int ath9k_suspend(struct ieee80211_hw *hw,
796 struct cfg80211_wowlan *wowlan)
800 static inline int ath9k_resume(struct ieee80211_hw *hw)
804 static inline void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled)
807 #endif /* CONFIG_ATH9K_WOW */
809 /*******************************/
810 /* Antenna diversity/combining */
811 /*******************************/
813 #define ATH_ANT_RX_CURRENT_SHIFT 4
814 #define ATH_ANT_RX_MAIN_SHIFT 2
815 #define ATH_ANT_RX_MASK 0x3
817 #define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR 50
818 #define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT 0x100
819 #define ATH_ANT_DIV_COMB_MAX_PKTCOUNT 0x200
820 #define ATH_ANT_DIV_COMB_INIT_COUNT 95
821 #define ATH_ANT_DIV_COMB_MAX_COUNT 100
822 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO 30
823 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 20
824 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO_LOW_RSSI 50
825 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2_LOW_RSSI 50
827 #define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4
828 #define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2
829 #define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2
831 struct ath_ant_comb {
851 enum ath9k_ant_div_comb_lna_conf main_conf;
852 enum ath9k_ant_div_comb_lna_conf first_quick_scan_conf;
853 enum ath9k_ant_div_comb_lna_conf second_quick_scan_conf;
856 unsigned long scan_start_time;
859 * Card-specific config values.
865 void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs);
867 /********************/
868 /* Main driver core */
869 /********************/
871 #define ATH9K_PCI_CUS198 0x0001
872 #define ATH9K_PCI_CUS230 0x0002
873 #define ATH9K_PCI_CUS217 0x0004
874 #define ATH9K_PCI_CUS252 0x0008
875 #define ATH9K_PCI_WOW 0x0010
876 #define ATH9K_PCI_BT_ANT_DIV 0x0020
877 #define ATH9K_PCI_D3_L1_WAR 0x0040
878 #define ATH9K_PCI_AR9565_1ANT 0x0080
879 #define ATH9K_PCI_AR9565_2ANT 0x0100
880 #define ATH9K_PCI_NO_PLL_PWRSAVE 0x0200
881 #define ATH9K_PCI_KILLER 0x0400
884 * Default cache line size, in bytes.
885 * Used when PCI device not fully initialized by bootrom/BIOS
887 #define DEFAULT_CACHELINE 32
888 #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */
889 #define ATH_TXPOWER_MAX 100 /* .5 dBm units */
890 #define MAX_GTT_CNT 5
892 /* Powersave flags */
893 #define PS_WAIT_FOR_BEACON BIT(0)
894 #define PS_WAIT_FOR_CAB BIT(1)
895 #define PS_WAIT_FOR_PSPOLL_DATA BIT(2)
896 #define PS_WAIT_FOR_TX_ACK BIT(3)
897 #define PS_BEACON_SYNC BIT(4)
898 #define PS_WAIT_FOR_ANI BIT(5)
900 #define ATH9K_NUM_CHANCTX 2 /* supports 2 operating channels */
903 struct ieee80211_hw *hw;
906 struct survey_info *cur_survey;
907 struct survey_info survey[ATH9K_NUM_CHANNELS];
909 struct tasklet_struct intr_tq;
910 struct tasklet_struct bcon_tasklet;
911 struct ath_hw *sc_ah;
914 spinlock_t sc_serial_rw;
915 spinlock_t sc_pm_lock;
916 spinlock_t sc_pcu_lock;
918 struct work_struct paprd_work;
919 struct work_struct hw_reset_work;
920 struct work_struct chanctx_work;
921 struct completion paprd_complete;
922 wait_queue_head_t tx_wait;
924 #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
925 struct ath_gen_timer *p2p_ps_timer;
926 struct ath_vif *p2p_ps_vif;
927 struct ath_chanctx_sched sched;
928 struct ath_offchannel offchannel;
931 unsigned long driver_data;
935 u16 ps_flags; /* PS_* */
941 unsigned long ps_usecount;
945 struct ath_beacon beacon;
947 struct cfg80211_chan_def cur_chandef;
948 struct ath_chanctx chanctx[ATH9K_NUM_CHANCTX];
949 struct ath_chanctx *cur_chan;
950 struct ath_chanctx *next_chan;
951 spinlock_t chan_lock;
953 #ifdef CONFIG_MAC80211_LEDS
956 struct led_classdev led_cdev;
959 #ifdef CONFIG_ATH9K_DEBUGFS
960 struct ath9k_debug debug;
962 struct delayed_work tx_complete_work;
963 struct delayed_work hw_pll_work;
964 struct timer_list sleep_timer;
966 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
967 struct ath_btcoex btcoex;
968 struct ath_mci_coex mci_coex;
969 struct work_struct mci_work;
972 struct ath_descdma txsdma;
974 struct ath_ant_comb ant_comb;
976 struct dfs_pattern_detector *dfs_detector;
977 u64 dfs_prev_pulse_ts;
979 /* relay(fs) channel for spectral scan */
980 struct rchan *rfs_chan_spec_scan;
981 enum spectral_mode spectral_mode;
982 struct ath_spec_scan spec_config;
984 struct ieee80211_vif *tx99_vif;
985 struct sk_buff *tx99_skb;
989 #ifdef CONFIG_ATH9K_WOW
990 atomic_t wow_got_bmiss_intr;
991 atomic_t wow_sleep_proc_intr; /* in the middle of WoW sleep ? */
992 u32 wow_intr_before_sleep;
1000 #ifdef CONFIG_ATH9K_TX99
1001 void ath9k_tx99_init_debug(struct ath_softc *sc);
1002 int ath9k_tx99_send(struct ath_softc *sc, struct sk_buff *skb,
1003 struct ath_tx_control *txctl);
1005 static inline void ath9k_tx99_init_debug(struct ath_softc *sc)
1008 static inline int ath9k_tx99_send(struct ath_softc *sc,
1009 struct sk_buff *skb,
1010 struct ath_tx_control *txctl)
1014 #endif /* CONFIG_ATH9K_TX99 */
1016 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
1018 common->bus_ops->read_cachesize(common, csz);
1021 void ath9k_tasklet(unsigned long data);
1022 int ath_cabq_update(struct ath_softc *);
1023 u8 ath9k_parse_mpdudensity(u8 mpdudensity);
1024 irqreturn_t ath_isr(int irq, void *dev);
1025 int ath_reset(struct ath_softc *sc);
1026 void ath_cancel_work(struct ath_softc *sc);
1027 void ath_restart_work(struct ath_softc *sc);
1028 int ath9k_init_device(u16 devid, struct ath_softc *sc,
1029 const struct ath_bus_ops *bus_ops);
1030 void ath9k_deinit_device(struct ath_softc *sc);
1031 void ath9k_reload_chainmask_settings(struct ath_softc *sc);
1032 u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate);
1033 void ath_start_rfkill_poll(struct ath_softc *sc);
1034 void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
1035 void ath9k_ps_wakeup(struct ath_softc *sc);
1036 void ath9k_ps_restore(struct ath_softc *sc);
1038 #ifdef CONFIG_ATH9K_PCI
1039 int ath_pci_init(void);
1040 void ath_pci_exit(void);
1042 static inline int ath_pci_init(void) { return 0; };
1043 static inline void ath_pci_exit(void) {};
1046 #ifdef CONFIG_ATH9K_AHB
1047 int ath_ahb_init(void);
1048 void ath_ahb_exit(void);
1050 static inline int ath_ahb_init(void) { return 0; };
1051 static inline void ath_ahb_exit(void) {};
1054 #endif /* ATH9K_H */