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 void ath9k_fill_chanctx_ops(void);
412 void ath9k_chanctx_force_active(struct ieee80211_hw *hw,
413 struct ieee80211_vif *vif);
414 static inline struct ath_chanctx *
415 ath_chanctx_get(struct ieee80211_chanctx_conf *ctx)
417 struct ath_chanctx **ptr = (void *) ctx->drv_priv;
420 void ath_chanctx_init(struct ath_softc *sc);
421 void ath_chanctx_set_channel(struct ath_softc *sc, struct ath_chanctx *ctx,
422 struct cfg80211_chan_def *chandef);
423 void ath_chanctx_switch(struct ath_softc *sc, struct ath_chanctx *ctx,
424 struct cfg80211_chan_def *chandef);
425 void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx);
426 void ath_offchannel_timer(unsigned long data);
427 void ath_offchannel_channel_change(struct ath_softc *sc);
428 void ath_chanctx_offchan_switch(struct ath_softc *sc,
429 struct ieee80211_channel *chan);
430 struct ath_chanctx *ath_chanctx_get_oper_chan(struct ath_softc *sc,
432 void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif,
433 enum ath_chanctx_event ev);
434 void ath_chanctx_timer(unsigned long data);
436 int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan);
437 int ath_startrecv(struct ath_softc *sc);
438 bool ath_stoprecv(struct ath_softc *sc);
439 u32 ath_calcrxfilter(struct ath_softc *sc);
440 int ath_rx_init(struct ath_softc *sc, int nbufs);
441 void ath_rx_cleanup(struct ath_softc *sc);
442 int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp);
443 struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
444 void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq);
445 void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq);
446 void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq);
447 void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
448 bool ath_drain_all_txq(struct ath_softc *sc);
449 void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq);
450 void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
451 void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
452 void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
453 void ath_txq_schedule_all(struct ath_softc *sc);
454 int ath_tx_init(struct ath_softc *sc, int nbufs);
455 int ath_txq_update(struct ath_softc *sc, int qnum,
456 struct ath9k_tx_queue_info *q);
457 void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop);
458 int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
459 struct ath_tx_control *txctl);
460 void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
461 struct sk_buff *skb);
462 void ath_tx_tasklet(struct ath_softc *sc);
463 void ath_tx_edma_tasklet(struct ath_softc *sc);
464 int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
466 void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
467 void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
469 void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an);
470 void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc,
471 struct ath_node *an);
472 void ath9k_release_buffered_frames(struct ieee80211_hw *hw,
473 struct ieee80211_sta *sta,
474 u16 tids, int nframes,
475 enum ieee80211_frame_release_type reason,
483 struct list_head list;
485 struct ieee80211_vif *vif;
486 struct ath_node mcast_node;
488 __le64 tsf_adjust; /* TSF adjustment for staggered beacons */
489 struct ath_buf *av_bcbuf;
490 struct ath_chanctx *chanctx;
493 struct ieee80211_noa_data noa;
497 u32 offchannel_start;
498 u32 offchannel_duration;
500 u32 periodic_noa_start;
501 u32 periodic_noa_duration;
504 struct ath9k_vif_iter_data {
505 u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */
506 u8 mask[ETH_ALEN]; /* bssid mask */
511 int naps; /* number of AP vifs */
512 int nmeshes; /* number of mesh vifs */
513 int nstations; /* number of station vifs */
514 int nwds; /* number of WDS vifs */
515 int nadhocs; /* number of adhoc vifs */
516 struct ieee80211_vif *primary_sta;
519 void ath9k_calculate_iter_data(struct ath_softc *sc,
520 struct ath_chanctx *ctx,
521 struct ath9k_vif_iter_data *iter_data);
522 void ath9k_calculate_summary_state(struct ath_softc *sc,
523 struct ath_chanctx *ctx);
525 /*******************/
526 /* Beacon Handling */
527 /*******************/
530 * Regardless of the number of beacons we stagger, (i.e. regardless of the
531 * number of BSSIDs) if a given beacon does not go out even after waiting this
532 * number of beacon intervals, the game's up.
534 #define BSTUCK_THRESH 9
536 #define ATH_DEFAULT_BINTVAL 100 /* TU */
537 #define ATH_DEFAULT_BMISS_LIMIT 10
539 #define TSF_TO_TU(_h,_l) \
540 ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
544 OK, /* no change needed */
545 UPDATE, /* update pending */
546 COMMIT /* beacon sent, commit change */
547 } updateslot; /* slot time update fsm */
551 struct ieee80211_vif *bslot[ATH_BCBUF];
554 struct ath_descdma bdma;
555 struct ath_txq *cabq;
556 struct list_head bbuf;
562 void ath9k_beacon_tasklet(unsigned long data);
563 void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif,
565 void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
566 void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
567 void ath9k_set_beacon(struct ath_softc *sc);
568 bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif);
569 void ath9k_csa_update(struct ath_softc *sc);
571 /*******************/
572 /* Link Monitoring */
573 /*******************/
575 #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */
576 #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */
577 #define ATH_ANI_POLLINTERVAL_OLD 100 /* 100 ms */
578 #define ATH_ANI_POLLINTERVAL_NEW 1000 /* 1000 ms */
579 #define ATH_LONG_CALINTERVAL_INT 1000 /* 1000 ms */
580 #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
581 #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
582 #define ATH_ANI_MAX_SKIP_COUNT 10
583 #define ATH_PAPRD_TIMEOUT 100 /* msecs */
584 #define ATH_PLL_WORK_INTERVAL 100
586 void ath_chanctx_work(struct work_struct *work);
587 void ath_tx_complete_poll_work(struct work_struct *work);
588 void ath_reset_work(struct work_struct *work);
589 bool ath_hw_check(struct ath_softc *sc);
590 void ath_hw_pll_work(struct work_struct *work);
591 void ath_paprd_calibrate(struct work_struct *work);
592 void ath_ani_calibrate(unsigned long data);
593 void ath_start_ani(struct ath_softc *sc);
594 void ath_stop_ani(struct ath_softc *sc);
595 void ath_check_ani(struct ath_softc *sc);
596 int ath_update_survey_stats(struct ath_softc *sc);
597 void ath_update_survey_nf(struct ath_softc *sc, int channel);
598 void ath9k_queue_reset(struct ath_softc *sc, enum ath_reset_type type);
599 void ath_ps_full_sleep(unsigned long data);
600 void ath9k_p2p_ps_timer(void *priv);
601 void ath9k_update_p2p_ps(struct ath_softc *sc, struct ieee80211_vif *vif);
602 void __ath9k_flush(struct ieee80211_hw *hw, u32 queues, bool drop);
608 #define ATH_DUMP_BTCOEX(_s, _val) \
610 len += scnprintf(buf + len, size - len, \
611 "%20s : %10d\n", _s, (_val)); \
615 BT_OP_PRIORITY_DETECTED,
620 spinlock_t btcoex_lock;
621 struct timer_list period_timer; /* Timer for BT period */
622 struct timer_list no_stomp_timer;
624 unsigned long bt_priority_time;
625 unsigned long op_flags;
626 int bt_stomp_type; /* Types of BT stomping */
627 u32 btcoex_no_stomp; /* in msec */
628 u32 btcoex_period; /* in msec */
629 u32 btscan_no_stomp; /* in msec */
633 struct ath_mci_profile mci;
637 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
638 int ath9k_init_btcoex(struct ath_softc *sc);
639 void ath9k_deinit_btcoex(struct ath_softc *sc);
640 void ath9k_start_btcoex(struct ath_softc *sc);
641 void ath9k_stop_btcoex(struct ath_softc *sc);
642 void ath9k_btcoex_timer_resume(struct ath_softc *sc);
643 void ath9k_btcoex_timer_pause(struct ath_softc *sc);
644 void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status);
645 u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen);
646 void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc);
647 int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size);
649 static inline int ath9k_init_btcoex(struct ath_softc *sc)
653 static inline void ath9k_deinit_btcoex(struct ath_softc *sc)
656 static inline void ath9k_start_btcoex(struct ath_softc *sc)
659 static inline void ath9k_stop_btcoex(struct ath_softc *sc)
662 static inline void ath9k_btcoex_handle_interrupt(struct ath_softc *sc,
666 static inline u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc,
667 u32 max_4ms_framelen)
671 static inline void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)
674 static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size)
678 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
680 /********************/
682 /********************/
684 #define ATH_LED_PIN_DEF 1
685 #define ATH_LED_PIN_9287 8
686 #define ATH_LED_PIN_9300 10
687 #define ATH_LED_PIN_9485 6
688 #define ATH_LED_PIN_9462 4
690 #ifdef CONFIG_MAC80211_LEDS
691 void ath_init_leds(struct ath_softc *sc);
692 void ath_deinit_leds(struct ath_softc *sc);
693 void ath_fill_led_pin(struct ath_softc *sc);
695 static inline void ath_init_leds(struct ath_softc *sc)
699 static inline void ath_deinit_leds(struct ath_softc *sc)
702 static inline void ath_fill_led_pin(struct ath_softc *sc)
707 /************************/
708 /* Wake on Wireless LAN */
709 /************************/
711 struct ath9k_wow_pattern {
712 u8 pattern_bytes[MAX_PATTERN_SIZE];
713 u8 mask_bytes[MAX_PATTERN_SIZE];
717 #ifdef CONFIG_ATH9K_WOW
718 void ath9k_init_wow(struct ieee80211_hw *hw);
719 int ath9k_suspend(struct ieee80211_hw *hw,
720 struct cfg80211_wowlan *wowlan);
721 int ath9k_resume(struct ieee80211_hw *hw);
722 void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled);
724 static inline void ath9k_init_wow(struct ieee80211_hw *hw)
727 static inline int ath9k_suspend(struct ieee80211_hw *hw,
728 struct cfg80211_wowlan *wowlan)
732 static inline int ath9k_resume(struct ieee80211_hw *hw)
736 static inline void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled)
739 #endif /* CONFIG_ATH9K_WOW */
741 /*******************************/
742 /* Antenna diversity/combining */
743 /*******************************/
745 #define ATH_ANT_RX_CURRENT_SHIFT 4
746 #define ATH_ANT_RX_MAIN_SHIFT 2
747 #define ATH_ANT_RX_MASK 0x3
749 #define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR 50
750 #define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT 0x100
751 #define ATH_ANT_DIV_COMB_MAX_PKTCOUNT 0x200
752 #define ATH_ANT_DIV_COMB_INIT_COUNT 95
753 #define ATH_ANT_DIV_COMB_MAX_COUNT 100
754 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO 30
755 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 20
756 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO_LOW_RSSI 50
757 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2_LOW_RSSI 50
759 #define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4
760 #define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2
761 #define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2
763 struct ath_ant_comb {
783 enum ath9k_ant_div_comb_lna_conf main_conf;
784 enum ath9k_ant_div_comb_lna_conf first_quick_scan_conf;
785 enum ath9k_ant_div_comb_lna_conf second_quick_scan_conf;
788 unsigned long scan_start_time;
791 * Card-specific config values.
797 void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs);
799 /********************/
800 /* Main driver core */
801 /********************/
803 #define ATH9K_PCI_CUS198 0x0001
804 #define ATH9K_PCI_CUS230 0x0002
805 #define ATH9K_PCI_CUS217 0x0004
806 #define ATH9K_PCI_CUS252 0x0008
807 #define ATH9K_PCI_WOW 0x0010
808 #define ATH9K_PCI_BT_ANT_DIV 0x0020
809 #define ATH9K_PCI_D3_L1_WAR 0x0040
810 #define ATH9K_PCI_AR9565_1ANT 0x0080
811 #define ATH9K_PCI_AR9565_2ANT 0x0100
812 #define ATH9K_PCI_NO_PLL_PWRSAVE 0x0200
813 #define ATH9K_PCI_KILLER 0x0400
816 * Default cache line size, in bytes.
817 * Used when PCI device not fully initialized by bootrom/BIOS
819 #define DEFAULT_CACHELINE 32
820 #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */
821 #define ATH_TXPOWER_MAX 100 /* .5 dBm units */
822 #define MAX_GTT_CNT 5
824 /* Powersave flags */
825 #define PS_WAIT_FOR_BEACON BIT(0)
826 #define PS_WAIT_FOR_CAB BIT(1)
827 #define PS_WAIT_FOR_PSPOLL_DATA BIT(2)
828 #define PS_WAIT_FOR_TX_ACK BIT(3)
829 #define PS_BEACON_SYNC BIT(4)
830 #define PS_WAIT_FOR_ANI BIT(5)
832 #define ATH9K_NUM_CHANCTX 2 /* supports 2 operating channels */
835 struct ieee80211_hw *hw;
838 struct survey_info *cur_survey;
839 struct survey_info survey[ATH9K_NUM_CHANNELS];
841 struct tasklet_struct intr_tq;
842 struct tasklet_struct bcon_tasklet;
843 struct ath_hw *sc_ah;
846 spinlock_t sc_serial_rw;
847 spinlock_t sc_pm_lock;
848 spinlock_t sc_pcu_lock;
850 struct work_struct paprd_work;
851 struct work_struct hw_reset_work;
852 struct work_struct chanctx_work;
853 struct completion paprd_complete;
854 wait_queue_head_t tx_wait;
856 struct ath_gen_timer *p2p_ps_timer;
857 struct ath_vif *p2p_ps_vif;
859 unsigned long driver_data;
863 u16 ps_flags; /* PS_* */
869 unsigned long ps_usecount;
873 struct ath_beacon beacon;
875 struct cfg80211_chan_def cur_chandef;
876 struct ath_chanctx chanctx[ATH9K_NUM_CHANCTX];
877 struct ath_chanctx *cur_chan;
878 struct ath_chanctx *next_chan;
879 spinlock_t chan_lock;
880 struct ath_offchannel offchannel;
881 struct ath_chanctx_sched sched;
883 #ifdef CONFIG_MAC80211_LEDS
886 struct led_classdev led_cdev;
889 #ifdef CONFIG_ATH9K_DEBUGFS
890 struct ath9k_debug debug;
892 struct delayed_work tx_complete_work;
893 struct delayed_work hw_pll_work;
894 struct timer_list sleep_timer;
896 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
897 struct ath_btcoex btcoex;
898 struct ath_mci_coex mci_coex;
899 struct work_struct mci_work;
902 struct ath_descdma txsdma;
904 struct ath_ant_comb ant_comb;
906 struct dfs_pattern_detector *dfs_detector;
907 u64 dfs_prev_pulse_ts;
909 /* relay(fs) channel for spectral scan */
910 struct rchan *rfs_chan_spec_scan;
911 enum spectral_mode spectral_mode;
912 struct ath_spec_scan spec_config;
914 struct ieee80211_vif *tx99_vif;
915 struct sk_buff *tx99_skb;
919 #ifdef CONFIG_ATH9K_WOW
920 atomic_t wow_got_bmiss_intr;
921 atomic_t wow_sleep_proc_intr; /* in the middle of WoW sleep ? */
922 u32 wow_intr_before_sleep;
930 #ifdef CONFIG_ATH9K_TX99
931 void ath9k_tx99_init_debug(struct ath_softc *sc);
932 int ath9k_tx99_send(struct ath_softc *sc, struct sk_buff *skb,
933 struct ath_tx_control *txctl);
935 static inline void ath9k_tx99_init_debug(struct ath_softc *sc)
938 static inline int ath9k_tx99_send(struct ath_softc *sc,
940 struct ath_tx_control *txctl)
944 #endif /* CONFIG_ATH9K_TX99 */
946 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
948 common->bus_ops->read_cachesize(common, csz);
951 void ath9k_tasklet(unsigned long data);
952 int ath_cabq_update(struct ath_softc *);
953 u8 ath9k_parse_mpdudensity(u8 mpdudensity);
954 irqreturn_t ath_isr(int irq, void *dev);
955 int ath_reset(struct ath_softc *sc);
956 void ath_cancel_work(struct ath_softc *sc);
957 void ath_restart_work(struct ath_softc *sc);
958 int ath9k_init_device(u16 devid, struct ath_softc *sc,
959 const struct ath_bus_ops *bus_ops);
960 void ath9k_deinit_device(struct ath_softc *sc);
961 void ath9k_reload_chainmask_settings(struct ath_softc *sc);
962 u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate);
963 void ath_start_rfkill_poll(struct ath_softc *sc);
964 void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
965 void ath9k_ps_wakeup(struct ath_softc *sc);
966 void ath9k_ps_restore(struct ath_softc *sc);
968 #ifdef CONFIG_ATH9K_PCI
969 int ath_pci_init(void);
970 void ath_pci_exit(void);
972 static inline int ath_pci_init(void) { return 0; };
973 static inline void ath_pci_exit(void) {};
976 #ifdef CONFIG_ATH9K_AHB
977 int ath_ahb_init(void);
978 void ath_ahb_exit(void);
980 static inline int ath_ahb_init(void) { return 0; };
981 static inline void ath_ahb_exit(void) {};