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>
32 * Header for the ath9k.ko driver core *only* -- hw code nor any other driver
33 * should rely on this file or its contents.
38 /* Macro to expand scalars to 64-bit objects */
40 #define ito64(x) (sizeof(x) == 1) ? \
41 (((unsigned long long int)(x)) & (0xff)) : \
43 (((unsigned long long int)(x)) & 0xffff) : \
45 (((unsigned long long int)(x)) & 0xffffffff) : \
46 (unsigned long long int)(x))
48 /* increment with wrap-around */
49 #define INCR(_l, _sz) do { \
51 (_l) &= ((_sz) - 1); \
54 /* decrement with wrap-around */
55 #define DECR(_l, _sz) do { \
57 (_l) &= ((_sz) - 1); \
60 #define TSF_TO_TU(_h,_l) \
61 ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
63 #define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i))
70 /*************************/
71 /* Descriptor Management */
72 /*************************/
74 #define ATH_TXBUF_RESET(_bf) do { \
75 (_bf)->bf_stale = false; \
76 (_bf)->bf_lastbf = NULL; \
77 (_bf)->bf_next = NULL; \
78 memset(&((_bf)->bf_state), 0, \
79 sizeof(struct ath_buf_state)); \
82 #define ATH_RXBUF_RESET(_bf) do { \
83 (_bf)->bf_stale = false; \
87 * enum buffer_type - Buffer type flags
89 * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX)
90 * @BUF_AGGR: Indicates whether the buffer can be aggregated
91 * (used in aggregation scheduling)
98 #define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU)
99 #define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR)
101 #define ATH_TXSTATUS_RING_SIZE 512
103 #define DS2PHYS(_dd, _ds) \
104 ((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc))
105 #define ATH_DESC_4KB_BOUND_CHECK(_daddr) ((((_daddr) & 0xFFF) > 0xF7F) ? 1 : 0)
106 #define ATH_DESC_4KB_BOUND_NUM_SKIPPED(_len) ((_len) / 4096)
110 dma_addr_t dd_desc_paddr;
114 int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
115 struct list_head *head, const char *name,
116 int nbuf, int ndesc, bool is_tx);
122 #define ATH_RXBUF 512
123 #define ATH_TXBUF 512
124 #define ATH_TXBUF_RESERVE 5
125 #define ATH_MAX_QDEPTH (ATH_TXBUF / 4 - ATH_TXBUF_RESERVE)
126 #define ATH_TXMAXTRY 13
128 #define TID_TO_WME_AC(_tid) \
129 ((((_tid) == 0) || ((_tid) == 3)) ? IEEE80211_AC_BE : \
130 (((_tid) == 1) || ((_tid) == 2)) ? IEEE80211_AC_BK : \
131 (((_tid) == 4) || ((_tid) == 5)) ? IEEE80211_AC_VI : \
134 #define ATH_AGGR_DELIM_SZ 4
135 #define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */
136 /* number of delimiters for encryption padding */
137 #define ATH_AGGR_ENCRYPTDELIM 10
138 /* minimum h/w qdepth to be sustained to maximize aggregation */
139 #define ATH_AGGR_MIN_QDEPTH 2
141 #define IEEE80211_SEQ_SEQ_SHIFT 4
142 #define IEEE80211_SEQ_MAX 4096
143 #define IEEE80211_WEP_IVLEN 3
144 #define IEEE80211_WEP_KIDLEN 1
145 #define IEEE80211_WEP_CRCLEN 4
146 #define IEEE80211_MAX_MPDU_LEN (3840 + FCS_LEN + \
147 (IEEE80211_WEP_IVLEN + \
148 IEEE80211_WEP_KIDLEN + \
149 IEEE80211_WEP_CRCLEN))
151 /* return whether a bit at index _n in bitmap _bm is set
152 * _sz is the size of the bitmap */
153 #define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \
154 ((_bm)[(_n) >> 5] & (1 << ((_n) & 31))))
156 /* return block-ack bitmap index given sequence and starting sequence */
157 #define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1))
159 /* return the seqno for _start + _offset */
160 #define ATH_BA_INDEX2SEQ(_seq, _offset) (((_seq) + (_offset)) & (IEEE80211_SEQ_MAX - 1))
162 /* returns delimiter padding required given the packet length */
163 #define ATH_AGGR_GET_NDELIM(_len) \
164 (((_len) >= ATH_AGGR_MINPLEN) ? 0 : \
165 DIV_ROUND_UP(ATH_AGGR_MINPLEN - (_len), ATH_AGGR_DELIM_SZ))
167 #define BAW_WITHIN(_start, _bawsz, _seqno) \
168 ((((_seqno) - (_start)) & 4095) < (_bawsz))
170 #define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)])
172 #define IS_CCK_RATE(rate) ((rate >= 0x18) && (rate <= 0x1e))
174 #define ATH_TX_COMPLETE_POLL_INT 1000
176 enum ATH_AGGR_STATUS {
182 #define ATH_TXFIFO_DEPTH 8
184 int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */
185 u32 axq_qnum; /* ath9k hardware queue number */
187 struct list_head axq_q;
192 bool axq_tx_inprogress;
193 struct list_head axq_acq;
194 struct list_head txq_fifo[ATH_TXFIFO_DEPTH];
198 struct sk_buff_head complete_q;
204 struct list_head list;
205 struct list_head tid_q;
206 bool clear_ps_filter;
209 struct ath_frame_info {
212 enum ath9k_key_type keytype;
219 struct ath_buf_state {
224 unsigned long bfs_paprd_timestamp;
228 struct list_head list;
229 struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or
231 struct ath_buf *bf_next; /* next subframe in the aggregate */
232 struct sk_buff *bf_mpdu; /* enclosing frame structure */
233 void *bf_desc; /* virtual addr of desc */
234 dma_addr_t bf_daddr; /* physical addr of desc */
235 dma_addr_t bf_buf_addr; /* physical addr of data buffer, for DMA */
237 struct ieee80211_tx_rate rates[4];
238 struct ath_buf_state bf_state;
242 struct list_head list;
243 struct sk_buff_head buf_q;
244 struct sk_buff_head retry_q;
246 struct ath_atx_ac *ac;
247 unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)];
253 int baw_head; /* first un-acked tx buffer */
254 int baw_tail; /* next unused tx buffer slot */
261 struct ath_softc *sc;
262 struct ieee80211_sta *sta; /* station struct we're part of */
263 struct ieee80211_vif *vif; /* interface with which we're associated */
264 struct ath_atx_tid tid[IEEE80211_NUM_TIDS];
265 struct ath_atx_ac ac[IEEE80211_NUM_ACS];
273 #if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_DEBUGFS)
274 struct dentry *node_stat;
278 struct ath_tx_control {
282 struct ieee80211_sta *sta;
285 #define ATH_TX_ERROR 0x01
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 sk_buff *frag;
326 int ath_startrecv(struct ath_softc *sc);
327 bool ath_stoprecv(struct ath_softc *sc);
328 u32 ath_calcrxfilter(struct ath_softc *sc);
329 int ath_rx_init(struct ath_softc *sc, int nbufs);
330 void ath_rx_cleanup(struct ath_softc *sc);
331 int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp);
332 struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
333 void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq);
334 void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq);
335 void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq);
336 void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
337 bool ath_drain_all_txq(struct ath_softc *sc);
338 void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq);
339 void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
340 void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
341 void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
342 int ath_tx_init(struct ath_softc *sc, int nbufs);
343 int ath_txq_update(struct ath_softc *sc, int qnum,
344 struct ath9k_tx_queue_info *q);
345 void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop);
346 int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
347 struct ath_tx_control *txctl);
348 void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
349 struct sk_buff *skb);
350 void ath_tx_tasklet(struct ath_softc *sc);
351 void ath_tx_edma_tasklet(struct ath_softc *sc);
352 int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
354 void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
355 void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
357 void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an);
358 void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc,
359 struct ath_node *an);
360 void ath9k_release_buffered_frames(struct ieee80211_hw *hw,
361 struct ieee80211_sta *sta,
362 u16 tids, int nframes,
363 enum ieee80211_frame_release_type reason,
372 bool primary_sta_vif;
373 __le64 tsf_adjust; /* TSF adjustment for staggered beacons */
374 struct ath_buf *av_bcbuf;
377 /*******************/
378 /* Beacon Handling */
379 /*******************/
382 * Regardless of the number of beacons we stagger, (i.e. regardless of the
383 * number of BSSIDs) if a given beacon does not go out even after waiting this
384 * number of beacon intervals, the game's up.
386 #define BSTUCK_THRESH 9
388 #define ATH_DEFAULT_BINTVAL 100 /* TU */
389 #define ATH_DEFAULT_BMISS_LIMIT 10
390 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
392 struct ath_beacon_config {
404 OK, /* no change needed */
405 UPDATE, /* update pending */
406 COMMIT /* beacon sent, commit change */
407 } updateslot; /* slot time update fsm */
412 struct ieee80211_vif *bslot[ATH_BCBUF];
415 struct ath9k_tx_queue_info beacon_qi;
416 struct ath_descdma bdma;
417 struct ath_txq *cabq;
418 struct list_head bbuf;
424 void ath9k_beacon_tasklet(unsigned long data);
425 bool ath9k_allow_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif);
426 void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif,
428 void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
429 void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
430 void ath9k_set_tsfadjust(struct ath_softc *sc, struct ieee80211_vif *vif);
431 void ath9k_set_beacon(struct ath_softc *sc);
433 /*******************/
434 /* Link Monitoring */
435 /*******************/
437 #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */
438 #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */
439 #define ATH_ANI_POLLINTERVAL_OLD 100 /* 100 ms */
440 #define ATH_ANI_POLLINTERVAL_NEW 1000 /* 1000 ms */
441 #define ATH_LONG_CALINTERVAL_INT 1000 /* 1000 ms */
442 #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
443 #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
444 #define ATH_ANI_MAX_SKIP_COUNT 10
446 #define ATH_PAPRD_TIMEOUT 100 /* msecs */
447 #define ATH_PLL_WORK_INTERVAL 100
449 void ath_tx_complete_poll_work(struct work_struct *work);
450 void ath_reset_work(struct work_struct *work);
451 void ath_hw_check(struct work_struct *work);
452 void ath_hw_pll_work(struct work_struct *work);
453 void ath_rx_poll(unsigned long data);
454 void ath_start_rx_poll(struct ath_softc *sc, u8 nbeacon);
455 void ath_paprd_calibrate(struct work_struct *work);
456 void ath_ani_calibrate(unsigned long data);
457 void ath_start_ani(struct ath_softc *sc);
458 void ath_stop_ani(struct ath_softc *sc);
459 void ath_check_ani(struct ath_softc *sc);
460 int ath_update_survey_stats(struct ath_softc *sc);
461 void ath_update_survey_nf(struct ath_softc *sc, int channel);
462 void ath9k_queue_reset(struct ath_softc *sc, enum ath_reset_type type);
468 #define ATH_DUMP_BTCOEX(_s, _val) \
470 len += snprintf(buf + len, size - len, \
471 "%20s : %10d\n", _s, (_val)); \
475 BT_OP_PRIORITY_DETECTED,
480 bool hw_timer_enabled;
481 spinlock_t btcoex_lock;
482 struct timer_list period_timer; /* Timer for BT period */
484 unsigned long bt_priority_time;
485 unsigned long op_flags;
486 int bt_stomp_type; /* Types of BT stomping */
487 u32 btcoex_no_stomp; /* in usec */
488 u32 btcoex_period; /* in msec */
489 u32 btscan_no_stomp; /* in usec */
493 struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */
494 struct ath_mci_profile mci;
498 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
499 int ath9k_init_btcoex(struct ath_softc *sc);
500 void ath9k_deinit_btcoex(struct ath_softc *sc);
501 void ath9k_start_btcoex(struct ath_softc *sc);
502 void ath9k_stop_btcoex(struct ath_softc *sc);
503 void ath9k_btcoex_timer_resume(struct ath_softc *sc);
504 void ath9k_btcoex_timer_pause(struct ath_softc *sc);
505 void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status);
506 u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen);
507 void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc);
508 int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size);
510 static inline int ath9k_init_btcoex(struct ath_softc *sc)
514 static inline void ath9k_deinit_btcoex(struct ath_softc *sc)
517 static inline void ath9k_start_btcoex(struct ath_softc *sc)
520 static inline void ath9k_stop_btcoex(struct ath_softc *sc)
523 static inline void ath9k_btcoex_handle_interrupt(struct ath_softc *sc,
527 static inline u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc,
528 u32 max_4ms_framelen)
532 static inline void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)
535 static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size)
539 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
541 struct ath9k_wow_pattern {
542 u8 pattern_bytes[MAX_PATTERN_SIZE];
543 u8 mask_bytes[MAX_PATTERN_SIZE];
547 /********************/
549 /********************/
551 #define ATH_LED_PIN_DEF 1
552 #define ATH_LED_PIN_9287 8
553 #define ATH_LED_PIN_9300 10
554 #define ATH_LED_PIN_9485 6
555 #define ATH_LED_PIN_9462 4
557 #ifdef CONFIG_MAC80211_LEDS
558 void ath_init_leds(struct ath_softc *sc);
559 void ath_deinit_leds(struct ath_softc *sc);
560 void ath_fill_led_pin(struct ath_softc *sc);
562 static inline void ath_init_leds(struct ath_softc *sc)
566 static inline void ath_deinit_leds(struct ath_softc *sc)
569 static inline void ath_fill_led_pin(struct ath_softc *sc)
574 /*******************************/
575 /* Antenna diversity/combining */
576 /*******************************/
578 #define ATH_ANT_RX_CURRENT_SHIFT 4
579 #define ATH_ANT_RX_MAIN_SHIFT 2
580 #define ATH_ANT_RX_MASK 0x3
582 #define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR 50
583 #define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT 0x100
584 #define ATH_ANT_DIV_COMB_MAX_PKTCOUNT 0x200
585 #define ATH_ANT_DIV_COMB_INIT_COUNT 95
586 #define ATH_ANT_DIV_COMB_MAX_COUNT 100
587 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO 30
588 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 20
589 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO_LOW_RSSI 50
590 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2_LOW_RSSI 50
592 #define ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA -1
593 #define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4
594 #define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2
595 #define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2
597 struct ath_ant_comb {
617 enum ath9k_ant_div_comb_lna_conf main_conf;
618 enum ath9k_ant_div_comb_lna_conf first_quick_scan_conf;
619 enum ath9k_ant_div_comb_lna_conf second_quick_scan_conf;
622 unsigned long scan_start_time;
625 * Card-specific config values.
631 void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs);
633 /********************/
634 /* Main driver core */
635 /********************/
637 #define ATH9K_PCI_CUS198 0x0001
638 #define ATH9K_PCI_CUS230 0x0002
639 #define ATH9K_PCI_CUS217 0x0004
640 #define ATH9K_PCI_WOW 0x0008
641 #define ATH9K_PCI_BT_ANT_DIV 0x0010
644 * Default cache line size, in bytes.
645 * Used when PCI device not fully initialized by bootrom/BIOS
647 #define DEFAULT_CACHELINE 32
648 #define ATH_REGCLASSIDS_MAX 10
649 #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */
650 #define ATH_MAX_SW_RETRIES 30
651 #define ATH_CHAN_MAX 255
653 #define ATH_TXPOWER_MAX 100 /* .5 dBm units */
654 #define ATH_RATE_DUMMY_MARKER 0
665 /* Powersave flags */
666 #define PS_WAIT_FOR_BEACON BIT(0)
667 #define PS_WAIT_FOR_CAB BIT(1)
668 #define PS_WAIT_FOR_PSPOLL_DATA BIT(2)
669 #define PS_WAIT_FOR_TX_ACK BIT(3)
670 #define PS_BEACON_SYNC BIT(4)
671 #define PS_WAIT_FOR_ANI BIT(5)
673 struct ath_rate_table;
675 struct ath9k_vif_iter_data {
676 u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */
677 u8 mask[ETH_ALEN]; /* bssid mask */
680 int naps; /* number of AP vifs */
681 int nmeshes; /* number of mesh vifs */
682 int nstations; /* number of station vifs */
683 int nwds; /* number of WDS vifs */
684 int nadhocs; /* number of adhoc vifs */
687 /* enum spectral_mode:
689 * @SPECTRAL_DISABLED: spectral mode is disabled
690 * @SPECTRAL_BACKGROUND: hardware sends samples when it is not busy with
692 * @SPECTRAL_MANUAL: spectral scan is enabled, triggering for samples
693 * is performed manually.
694 * @SPECTRAL_CHANSCAN: Like manual, but also triggered when changing channels
695 * during a channel scan.
698 SPECTRAL_DISABLED = 0,
705 struct ieee80211_hw *hw;
708 struct survey_info *cur_survey;
709 struct survey_info survey[ATH9K_NUM_CHANNELS];
711 struct tasklet_struct intr_tq;
712 struct tasklet_struct bcon_tasklet;
713 struct ath_hw *sc_ah;
716 spinlock_t sc_serial_rw;
717 spinlock_t sc_pm_lock;
718 spinlock_t sc_pcu_lock;
720 struct work_struct paprd_work;
721 struct work_struct hw_check_work;
722 struct work_struct hw_reset_work;
723 struct completion paprd_complete;
725 unsigned int hw_busy_count;
726 unsigned long sc_flags;
727 unsigned long driver_data;
730 u16 ps_flags; /* PS_* */
736 unsigned long ps_usecount;
738 struct ath_config config;
741 struct ath_beacon beacon;
742 struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
744 #ifdef CONFIG_MAC80211_LEDS
747 struct led_classdev led_cdev;
750 struct ath9k_hw_cal_data caldata;
753 #ifdef CONFIG_ATH9K_DEBUGFS
754 struct ath9k_debug debug;
756 struct ath_beacon_config cur_beacon_conf;
757 struct delayed_work tx_complete_work;
758 struct delayed_work hw_pll_work;
759 struct timer_list rx_poll_timer;
761 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
762 struct ath_btcoex btcoex;
763 struct ath_mci_coex mci_coex;
764 struct work_struct mci_work;
767 struct ath_descdma txsdma;
769 struct ath_ant_comb ant_comb;
771 struct dfs_pattern_detector *dfs_detector;
773 /* relay(fs) channel for spectral scan */
774 struct rchan *rfs_chan_spec_scan;
775 enum spectral_mode spectral_mode;
776 struct ath_spec_scan spec_config;
778 #ifdef CONFIG_PM_SLEEP
779 atomic_t wow_got_bmiss_intr;
780 atomic_t wow_sleep_proc_intr; /* in the middle of WoW sleep ? */
781 u32 wow_intr_before_sleep;
785 #define SPECTRAL_SCAN_BITMASK 0x10
786 /* Radar info packet format, used for DFS and spectral formats. */
787 struct ath_radar_info {
793 /* The HT20 spectral data has 4 bytes of additional information at it's end.
795 * [7:0]: all bins {max_magnitude[1:0], bitmap_weight[5:0]}
796 * [7:0]: all bins max_magnitude[9:2]
797 * [7:0]: all bins {max_index[5:0], max_magnitude[11:10]}
798 * [3:0]: max_exp (shift amount to size max bin to 8-bit unsigned)
800 struct ath_ht20_mag_info {
805 #define SPECTRAL_HT20_NUM_BINS 56
807 /* WARNING: don't actually use this struct! MAC may vary the amount of
808 * data by -1/+2. This struct is for reference only.
810 struct ath_ht20_fft_packet {
811 u8 data[SPECTRAL_HT20_NUM_BINS];
812 struct ath_ht20_mag_info mag_info;
813 struct ath_radar_info radar_info;
816 #define SPECTRAL_HT20_TOTAL_DATA_LEN (sizeof(struct ath_ht20_fft_packet))
818 /* Dynamic 20/40 mode:
820 * [7:0]: lower bins {max_magnitude[1:0], bitmap_weight[5:0]}
821 * [7:0]: lower bins max_magnitude[9:2]
822 * [7:0]: lower bins {max_index[5:0], max_magnitude[11:10]}
823 * [7:0]: upper bins {max_magnitude[1:0], bitmap_weight[5:0]}
824 * [7:0]: upper bins max_magnitude[9:2]
825 * [7:0]: upper bins {max_index[5:0], max_magnitude[11:10]}
826 * [3:0]: max_exp (shift amount to size max bin to 8-bit unsigned)
828 struct ath_ht20_40_mag_info {
834 #define SPECTRAL_HT20_40_NUM_BINS 128
836 /* WARNING: don't actually use this struct! MAC may vary the amount of
837 * data. This struct is for reference only.
839 struct ath_ht20_40_fft_packet {
840 u8 data[SPECTRAL_HT20_40_NUM_BINS];
841 struct ath_ht20_40_mag_info mag_info;
842 struct ath_radar_info radar_info;
846 #define SPECTRAL_HT20_40_TOTAL_DATA_LEN (sizeof(struct ath_ht20_40_fft_packet))
848 /* grabs the max magnitude from the all/upper/lower bins */
849 static inline u16 spectral_max_magnitude(u8 *bins)
851 return (bins[0] & 0xc0) >> 6 |
852 (bins[1] & 0xff) << 2 |
853 (bins[2] & 0x03) << 10;
856 /* return the max magnitude from the all/upper/lower bins */
857 static inline u8 spectral_max_index(u8 *bins)
859 s8 m = (bins[2] & 0xfc) >> 2;
861 /* TODO: this still doesn't always report the right values ... */
870 /* return the bitmap weight from the all/upper/lower bins */
871 static inline u8 spectral_bitmap_weight(u8 *bins)
873 return bins[0] & 0x3f;
876 /* FFT sample format given to userspace via debugfs.
878 * Please keep the type/length at the front position and change
879 * other fields after adding another sample type
881 * TODO: this might need rework when switching to nl80211-based
884 enum ath_fft_sample_type {
885 ATH_FFT_SAMPLE_HT20 = 1,
888 struct fft_sample_tlv {
889 u8 type; /* see ath_fft_sample */
891 /* type dependent data follows */
894 struct fft_sample_ht20 {
895 struct fft_sample_tlv tlv;
903 __be16 max_magnitude;
909 u8 data[SPECTRAL_HT20_NUM_BINS];
912 void ath9k_tasklet(unsigned long data);
913 int ath_cabq_update(struct ath_softc *);
915 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
917 common->bus_ops->read_cachesize(common, csz);
920 extern struct ieee80211_ops ath9k_ops;
921 extern int ath9k_modparam_nohwcrypt;
922 extern int led_blink;
923 extern bool is_ath9k_unloaded;
925 u8 ath9k_parse_mpdudensity(u8 mpdudensity);
926 irqreturn_t ath_isr(int irq, void *dev);
927 int ath9k_init_device(u16 devid, struct ath_softc *sc,
928 const struct ath_bus_ops *bus_ops);
929 void ath9k_deinit_device(struct ath_softc *sc);
930 void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
931 void ath9k_reload_chainmask_settings(struct ath_softc *sc);
933 bool ath9k_uses_beacons(int type);
934 void ath9k_spectral_scan_trigger(struct ieee80211_hw *hw);
935 int ath9k_spectral_scan_config(struct ieee80211_hw *hw,
936 enum spectral_mode spectral_mode);
939 #ifdef CONFIG_ATH9K_PCI
940 int ath_pci_init(void);
941 void ath_pci_exit(void);
943 static inline int ath_pci_init(void) { return 0; };
944 static inline void ath_pci_exit(void) {};
947 #ifdef CONFIG_ATH9K_AHB
948 int ath_ahb_init(void);
949 void ath_ahb_exit(void);
951 static inline int ath_ahb_init(void) { return 0; };
952 static inline void ath_ahb_exit(void) {};
955 void ath9k_ps_wakeup(struct ath_softc *sc);
956 void ath9k_ps_restore(struct ath_softc *sc);
958 u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate);
960 void ath_start_rfkill_poll(struct ath_softc *sc);
961 extern void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
962 void ath9k_calculate_iter_data(struct ieee80211_hw *hw,
963 struct ieee80211_vif *vif,
964 struct ath9k_vif_iter_data *iter_data);