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 void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx);
422 #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
423 bool ath9k_is_chanctx_enabled(void);
424 void ath9k_fill_chanctx_ops(void);
425 void ath9k_init_channel_context(struct ath_softc *sc);
426 void ath9k_deinit_channel_context(struct ath_softc *sc);
427 int ath9k_init_p2p(struct ath_softc *sc);
428 void ath9k_deinit_p2p(struct ath_softc *sc);
429 void ath9k_p2p_remove_vif(struct ath_softc *sc,
430 struct ieee80211_vif *vif);
431 void ath9k_p2p_beacon_sync(struct ath_softc *sc);
432 void ath9k_p2p_bss_info_changed(struct ath_softc *sc,
433 struct ieee80211_vif *vif);
434 void ath9k_p2p_ps_timer(void *priv);
436 void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif,
437 enum ath_chanctx_event ev);
438 void ath_chanctx_set_next(struct ath_softc *sc, bool force);
439 void ath_offchannel_next(struct ath_softc *sc);
440 void ath_scan_complete(struct ath_softc *sc, bool abort);
441 void ath_roc_complete(struct ath_softc *sc, bool abort);
443 static inline bool ath9k_is_chanctx_enabled(void)
447 static inline void ath9k_fill_chanctx_ops(void)
450 static inline void ath9k_init_channel_context(struct ath_softc *sc)
453 static inline void ath9k_deinit_channel_context(struct ath_softc *sc)
456 static inline void ath_chanctx_event(struct ath_softc *sc,
457 struct ieee80211_vif *vif,
458 enum ath_chanctx_event ev)
461 static inline int ath9k_init_p2p(struct ath_softc *sc)
465 static inline void ath9k_deinit_p2p(struct ath_softc *sc)
468 static inline void ath9k_p2p_remove_vif(struct ath_softc *sc,
469 struct ieee80211_vif *vif)
472 static inline void ath9k_p2p_beacon_sync(struct ath_softc *sc)
475 static inline void ath9k_p2p_bss_info_changed(struct ath_softc *sc,
476 struct ieee80211_vif *vif)
479 static inline void ath9k_p2p_ps_timer(struct ath_softc *sc)
482 #endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */
484 int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan);
485 int ath_startrecv(struct ath_softc *sc);
486 bool ath_stoprecv(struct ath_softc *sc);
487 u32 ath_calcrxfilter(struct ath_softc *sc);
488 int ath_rx_init(struct ath_softc *sc, int nbufs);
489 void ath_rx_cleanup(struct ath_softc *sc);
490 int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp);
491 struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
492 void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq);
493 void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq);
494 void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq);
495 void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
496 bool ath_drain_all_txq(struct ath_softc *sc);
497 void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq);
498 void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
499 void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
500 void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
501 void ath_txq_schedule_all(struct ath_softc *sc);
502 int ath_tx_init(struct ath_softc *sc, int nbufs);
503 int ath_txq_update(struct ath_softc *sc, int qnum,
504 struct ath9k_tx_queue_info *q);
505 void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop);
506 int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
507 struct ath_tx_control *txctl);
508 void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
509 struct sk_buff *skb);
510 void ath_tx_tasklet(struct ath_softc *sc);
511 void ath_tx_edma_tasklet(struct ath_softc *sc);
512 int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
514 void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
515 void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
517 void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an);
518 void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc,
519 struct ath_node *an);
520 void ath9k_release_buffered_frames(struct ieee80211_hw *hw,
521 struct ieee80211_sta *sta,
522 u16 tids, int nframes,
523 enum ieee80211_frame_release_type reason,
531 struct list_head list;
533 struct ieee80211_vif *vif;
534 struct ath_node mcast_node;
536 __le64 tsf_adjust; /* TSF adjustment for staggered beacons */
537 struct ath_buf *av_bcbuf;
538 struct ath_chanctx *chanctx;
541 struct ieee80211_noa_data noa;
545 u32 offchannel_start;
546 u32 offchannel_duration;
548 u32 periodic_noa_start;
549 u32 periodic_noa_duration;
552 struct ath9k_vif_iter_data {
553 u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */
554 u8 mask[ETH_ALEN]; /* bssid mask */
559 int naps; /* number of AP vifs */
560 int nmeshes; /* number of mesh vifs */
561 int nstations; /* number of station vifs */
562 int nwds; /* number of WDS vifs */
563 int nadhocs; /* number of adhoc vifs */
564 struct ieee80211_vif *primary_sta;
567 void ath9k_calculate_iter_data(struct ath_softc *sc,
568 struct ath_chanctx *ctx,
569 struct ath9k_vif_iter_data *iter_data);
570 void ath9k_calculate_summary_state(struct ath_softc *sc,
571 struct ath_chanctx *ctx);
573 /*******************/
574 /* Beacon Handling */
575 /*******************/
578 * Regardless of the number of beacons we stagger, (i.e. regardless of the
579 * number of BSSIDs) if a given beacon does not go out even after waiting this
580 * number of beacon intervals, the game's up.
582 #define BSTUCK_THRESH 9
584 #define ATH_DEFAULT_BINTVAL 100 /* TU */
585 #define ATH_DEFAULT_BMISS_LIMIT 10
587 #define TSF_TO_TU(_h,_l) \
588 ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
592 OK, /* no change needed */
593 UPDATE, /* update pending */
594 COMMIT /* beacon sent, commit change */
595 } updateslot; /* slot time update fsm */
599 struct ieee80211_vif *bslot[ATH_BCBUF];
602 struct ath_descdma bdma;
603 struct ath_txq *cabq;
604 struct list_head bbuf;
610 void ath9k_beacon_tasklet(unsigned long data);
611 void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif,
613 void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
614 void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
615 void ath9k_set_beacon(struct ath_softc *sc);
616 bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif);
617 void ath9k_csa_update(struct ath_softc *sc);
619 /*******************/
620 /* Link Monitoring */
621 /*******************/
623 #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */
624 #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */
625 #define ATH_ANI_POLLINTERVAL_OLD 100 /* 100 ms */
626 #define ATH_ANI_POLLINTERVAL_NEW 1000 /* 1000 ms */
627 #define ATH_LONG_CALINTERVAL_INT 1000 /* 1000 ms */
628 #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
629 #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
630 #define ATH_ANI_MAX_SKIP_COUNT 10
631 #define ATH_PAPRD_TIMEOUT 100 /* msecs */
632 #define ATH_PLL_WORK_INTERVAL 100
634 void ath_tx_complete_poll_work(struct work_struct *work);
635 void ath_reset_work(struct work_struct *work);
636 bool ath_hw_check(struct ath_softc *sc);
637 void ath_hw_pll_work(struct work_struct *work);
638 void ath_paprd_calibrate(struct work_struct *work);
639 void ath_ani_calibrate(unsigned long data);
640 void ath_start_ani(struct ath_softc *sc);
641 void ath_stop_ani(struct ath_softc *sc);
642 void ath_check_ani(struct ath_softc *sc);
643 int ath_update_survey_stats(struct ath_softc *sc);
644 void ath_update_survey_nf(struct ath_softc *sc, int channel);
645 void ath9k_queue_reset(struct ath_softc *sc, enum ath_reset_type type);
646 void ath_ps_full_sleep(unsigned long data);
647 void __ath9k_flush(struct ieee80211_hw *hw, u32 queues, bool drop);
653 #define ATH_DUMP_BTCOEX(_s, _val) \
655 len += scnprintf(buf + len, size - len, \
656 "%20s : %10d\n", _s, (_val)); \
660 BT_OP_PRIORITY_DETECTED,
665 spinlock_t btcoex_lock;
666 struct timer_list period_timer; /* Timer for BT period */
667 struct timer_list no_stomp_timer;
669 unsigned long bt_priority_time;
670 unsigned long op_flags;
671 int bt_stomp_type; /* Types of BT stomping */
672 u32 btcoex_no_stomp; /* in msec */
673 u32 btcoex_period; /* in msec */
674 u32 btscan_no_stomp; /* in msec */
678 struct ath_mci_profile mci;
682 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
683 int ath9k_init_btcoex(struct ath_softc *sc);
684 void ath9k_deinit_btcoex(struct ath_softc *sc);
685 void ath9k_start_btcoex(struct ath_softc *sc);
686 void ath9k_stop_btcoex(struct ath_softc *sc);
687 void ath9k_btcoex_timer_resume(struct ath_softc *sc);
688 void ath9k_btcoex_timer_pause(struct ath_softc *sc);
689 void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status);
690 u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen);
691 void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc);
692 int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size);
694 static inline int ath9k_init_btcoex(struct ath_softc *sc)
698 static inline void ath9k_deinit_btcoex(struct ath_softc *sc)
701 static inline void ath9k_start_btcoex(struct ath_softc *sc)
704 static inline void ath9k_stop_btcoex(struct ath_softc *sc)
707 static inline void ath9k_btcoex_handle_interrupt(struct ath_softc *sc,
711 static inline u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc,
712 u32 max_4ms_framelen)
716 static inline void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)
719 static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size)
723 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
725 /********************/
727 /********************/
729 #define ATH_LED_PIN_DEF 1
730 #define ATH_LED_PIN_9287 8
731 #define ATH_LED_PIN_9300 10
732 #define ATH_LED_PIN_9485 6
733 #define ATH_LED_PIN_9462 4
735 #ifdef CONFIG_MAC80211_LEDS
736 void ath_init_leds(struct ath_softc *sc);
737 void ath_deinit_leds(struct ath_softc *sc);
738 void ath_fill_led_pin(struct ath_softc *sc);
740 static inline void ath_init_leds(struct ath_softc *sc)
744 static inline void ath_deinit_leds(struct ath_softc *sc)
747 static inline void ath_fill_led_pin(struct ath_softc *sc)
752 /************************/
753 /* Wake on Wireless LAN */
754 /************************/
756 struct ath9k_wow_pattern {
757 u8 pattern_bytes[MAX_PATTERN_SIZE];
758 u8 mask_bytes[MAX_PATTERN_SIZE];
762 #ifdef CONFIG_ATH9K_WOW
763 void ath9k_init_wow(struct ieee80211_hw *hw);
764 int ath9k_suspend(struct ieee80211_hw *hw,
765 struct cfg80211_wowlan *wowlan);
766 int ath9k_resume(struct ieee80211_hw *hw);
767 void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled);
769 static inline void ath9k_init_wow(struct ieee80211_hw *hw)
772 static inline int ath9k_suspend(struct ieee80211_hw *hw,
773 struct cfg80211_wowlan *wowlan)
777 static inline int ath9k_resume(struct ieee80211_hw *hw)
781 static inline void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled)
784 #endif /* CONFIG_ATH9K_WOW */
786 /*******************************/
787 /* Antenna diversity/combining */
788 /*******************************/
790 #define ATH_ANT_RX_CURRENT_SHIFT 4
791 #define ATH_ANT_RX_MAIN_SHIFT 2
792 #define ATH_ANT_RX_MASK 0x3
794 #define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR 50
795 #define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT 0x100
796 #define ATH_ANT_DIV_COMB_MAX_PKTCOUNT 0x200
797 #define ATH_ANT_DIV_COMB_INIT_COUNT 95
798 #define ATH_ANT_DIV_COMB_MAX_COUNT 100
799 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO 30
800 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 20
801 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO_LOW_RSSI 50
802 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2_LOW_RSSI 50
804 #define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4
805 #define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2
806 #define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2
808 struct ath_ant_comb {
828 enum ath9k_ant_div_comb_lna_conf main_conf;
829 enum ath9k_ant_div_comb_lna_conf first_quick_scan_conf;
830 enum ath9k_ant_div_comb_lna_conf second_quick_scan_conf;
833 unsigned long scan_start_time;
836 * Card-specific config values.
842 void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs);
844 /********************/
845 /* Main driver core */
846 /********************/
848 #define ATH9K_PCI_CUS198 0x0001
849 #define ATH9K_PCI_CUS230 0x0002
850 #define ATH9K_PCI_CUS217 0x0004
851 #define ATH9K_PCI_CUS252 0x0008
852 #define ATH9K_PCI_WOW 0x0010
853 #define ATH9K_PCI_BT_ANT_DIV 0x0020
854 #define ATH9K_PCI_D3_L1_WAR 0x0040
855 #define ATH9K_PCI_AR9565_1ANT 0x0080
856 #define ATH9K_PCI_AR9565_2ANT 0x0100
857 #define ATH9K_PCI_NO_PLL_PWRSAVE 0x0200
858 #define ATH9K_PCI_KILLER 0x0400
861 * Default cache line size, in bytes.
862 * Used when PCI device not fully initialized by bootrom/BIOS
864 #define DEFAULT_CACHELINE 32
865 #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */
866 #define ATH_TXPOWER_MAX 100 /* .5 dBm units */
867 #define MAX_GTT_CNT 5
869 /* Powersave flags */
870 #define PS_WAIT_FOR_BEACON BIT(0)
871 #define PS_WAIT_FOR_CAB BIT(1)
872 #define PS_WAIT_FOR_PSPOLL_DATA BIT(2)
873 #define PS_WAIT_FOR_TX_ACK BIT(3)
874 #define PS_BEACON_SYNC BIT(4)
875 #define PS_WAIT_FOR_ANI BIT(5)
877 #define ATH9K_NUM_CHANCTX 2 /* supports 2 operating channels */
880 struct ieee80211_hw *hw;
883 struct survey_info *cur_survey;
884 struct survey_info survey[ATH9K_NUM_CHANNELS];
886 struct tasklet_struct intr_tq;
887 struct tasklet_struct bcon_tasklet;
888 struct ath_hw *sc_ah;
891 spinlock_t sc_serial_rw;
892 spinlock_t sc_pm_lock;
893 spinlock_t sc_pcu_lock;
895 struct work_struct paprd_work;
896 struct work_struct hw_reset_work;
897 struct work_struct chanctx_work;
898 struct completion paprd_complete;
899 wait_queue_head_t tx_wait;
901 #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
902 struct ath_gen_timer *p2p_ps_timer;
903 struct ath_vif *p2p_ps_vif;
906 unsigned long driver_data;
910 u16 ps_flags; /* PS_* */
916 unsigned long ps_usecount;
920 struct ath_beacon beacon;
922 struct cfg80211_chan_def cur_chandef;
923 struct ath_chanctx chanctx[ATH9K_NUM_CHANCTX];
924 struct ath_chanctx *cur_chan;
925 struct ath_chanctx *next_chan;
926 spinlock_t chan_lock;
927 struct ath_offchannel offchannel;
928 struct ath_chanctx_sched sched;
930 #ifdef CONFIG_MAC80211_LEDS
933 struct led_classdev led_cdev;
936 #ifdef CONFIG_ATH9K_DEBUGFS
937 struct ath9k_debug debug;
939 struct delayed_work tx_complete_work;
940 struct delayed_work hw_pll_work;
941 struct timer_list sleep_timer;
943 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
944 struct ath_btcoex btcoex;
945 struct ath_mci_coex mci_coex;
946 struct work_struct mci_work;
949 struct ath_descdma txsdma;
951 struct ath_ant_comb ant_comb;
953 struct dfs_pattern_detector *dfs_detector;
954 u64 dfs_prev_pulse_ts;
956 /* relay(fs) channel for spectral scan */
957 struct rchan *rfs_chan_spec_scan;
958 enum spectral_mode spectral_mode;
959 struct ath_spec_scan spec_config;
961 struct ieee80211_vif *tx99_vif;
962 struct sk_buff *tx99_skb;
966 #ifdef CONFIG_ATH9K_WOW
967 atomic_t wow_got_bmiss_intr;
968 atomic_t wow_sleep_proc_intr; /* in the middle of WoW sleep ? */
969 u32 wow_intr_before_sleep;
977 #ifdef CONFIG_ATH9K_TX99
978 void ath9k_tx99_init_debug(struct ath_softc *sc);
979 int ath9k_tx99_send(struct ath_softc *sc, struct sk_buff *skb,
980 struct ath_tx_control *txctl);
982 static inline void ath9k_tx99_init_debug(struct ath_softc *sc)
985 static inline int ath9k_tx99_send(struct ath_softc *sc,
987 struct ath_tx_control *txctl)
991 #endif /* CONFIG_ATH9K_TX99 */
993 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
995 common->bus_ops->read_cachesize(common, csz);
998 void ath9k_tasklet(unsigned long data);
999 int ath_cabq_update(struct ath_softc *);
1000 u8 ath9k_parse_mpdudensity(u8 mpdudensity);
1001 irqreturn_t ath_isr(int irq, void *dev);
1002 int ath_reset(struct ath_softc *sc);
1003 void ath_cancel_work(struct ath_softc *sc);
1004 void ath_restart_work(struct ath_softc *sc);
1005 int ath9k_init_device(u16 devid, struct ath_softc *sc,
1006 const struct ath_bus_ops *bus_ops);
1007 void ath9k_deinit_device(struct ath_softc *sc);
1008 void ath9k_reload_chainmask_settings(struct ath_softc *sc);
1009 u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate);
1010 void ath_start_rfkill_poll(struct ath_softc *sc);
1011 void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
1012 void ath9k_ps_wakeup(struct ath_softc *sc);
1013 void ath9k_ps_restore(struct ath_softc *sc);
1015 #ifdef CONFIG_ATH9K_PCI
1016 int ath_pci_init(void);
1017 void ath_pci_exit(void);
1019 static inline int ath_pci_init(void) { return 0; };
1020 static inline void ath_pci_exit(void) {};
1023 #ifdef CONFIG_ATH9K_AHB
1024 int ath_ahb_init(void);
1025 void ath_ahb_exit(void);
1027 static inline int ath_ahb_init(void) { return 0; };
1028 static inline void ath_ahb_exit(void) {};
1031 #endif /* ATH9K_H */