Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 736 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
new file mode 100644
index 00000000..4bfb44a0
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -0,0 +1,736 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef ATH9K_H
+#define ATH9K_H
+
+#include <linux/etherdevice.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/leds.h>
+#include <linux/completion.h>
+
+#include "debug.h"
+#include "common.h"
+#include "mci.h"
+
+/*
+ * Header for the ath9k.ko driver core *only* -- hw code nor any other driver
+ * should rely on this file or its contents.
+ */
+
+struct ath_node;
+
+/* Macro to expand scalars to 64-bit objects */
+
+#define	ito64(x) (sizeof(x) == 1) ?			\
+	(((unsigned long long int)(x)) & (0xff)) :	\
+	(sizeof(x) == 2) ?				\
+	(((unsigned long long int)(x)) & 0xffff) :	\
+	((sizeof(x) == 4) ?				\
+	 (((unsigned long long int)(x)) & 0xffffffff) : \
+	 (unsigned long long int)(x))
+
+/* increment with wrap-around */
+#define INCR(_l, _sz)   do {			\
+		(_l)++;				\
+		(_l) &= ((_sz) - 1);		\
+	} while (0)
+
+/* decrement with wrap-around */
+#define DECR(_l,  _sz)  do {			\
+		(_l)--;				\
+		(_l) &= ((_sz) - 1);		\
+	} while (0)
+
+#define TSF_TO_TU(_h,_l) \
+	((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
+
+#define	ATH_TXQ_SETUP(sc, i)        ((sc)->tx.txqsetup & (1<<i))
+
+struct ath_config {
+	u16 txpowlimit;
+	u8 cabqReadytime;
+};
+
+/*************************/
+/* Descriptor Management */
+/*************************/
+
+#define ATH_TXBUF_RESET(_bf) do {				\
+		(_bf)->bf_stale = false;			\
+		(_bf)->bf_lastbf = NULL;			\
+		(_bf)->bf_next = NULL;				\
+		memset(&((_bf)->bf_state), 0,			\
+		       sizeof(struct ath_buf_state));		\
+	} while (0)
+
+#define ATH_RXBUF_RESET(_bf) do {		\
+		(_bf)->bf_stale = false;	\
+	} while (0)
+
+/**
+ * enum buffer_type - Buffer type flags
+ *
+ * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX)
+ * @BUF_AGGR: Indicates whether the buffer can be aggregated
+ *	(used in aggregation scheduling)
+ */
+enum buffer_type {
+	BUF_AMPDU		= BIT(0),
+	BUF_AGGR		= BIT(1),
+};
+
+#define bf_isampdu(bf)		(bf->bf_state.bf_type & BUF_AMPDU)
+#define bf_isaggr(bf)		(bf->bf_state.bf_type & BUF_AGGR)
+
+#define ATH_TXSTATUS_RING_SIZE 512
+
+#define	DS2PHYS(_dd, _ds)						\
+	((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc))
+#define ATH_DESC_4KB_BOUND_CHECK(_daddr) ((((_daddr) & 0xFFF) > 0xF7F) ? 1 : 0)
+#define ATH_DESC_4KB_BOUND_NUM_SKIPPED(_len) ((_len) / 4096)
+
+struct ath_descdma {
+	void *dd_desc;
+	dma_addr_t dd_desc_paddr;
+	u32 dd_desc_len;
+	struct ath_buf *dd_bufptr;
+};
+
+int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
+		      struct list_head *head, const char *name,
+		      int nbuf, int ndesc, bool is_tx);
+void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
+			 struct list_head *head);
+
+/***********/
+/* RX / TX */
+/***********/
+
+#define ATH_RXBUF               512
+#define ATH_TXBUF               512
+#define ATH_TXBUF_RESERVE       5
+#define ATH_MAX_QDEPTH          (ATH_TXBUF / 4 - ATH_TXBUF_RESERVE)
+#define ATH_TXMAXTRY            13
+
+#define TID_TO_WME_AC(_tid)				\
+	((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE :	\
+	 (((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK :	\
+	 (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI :	\
+	 WME_AC_VO)
+
+#define ATH_AGGR_DELIM_SZ          4
+#define ATH_AGGR_MINPLEN           256 /* in bytes, minimum packet length */
+/* number of delimiters for encryption padding */
+#define ATH_AGGR_ENCRYPTDELIM      10
+/* minimum h/w qdepth to be sustained to maximize aggregation */
+#define ATH_AGGR_MIN_QDEPTH        2
+#define ATH_AMPDU_SUBFRAME_DEFAULT 32
+
+#define IEEE80211_SEQ_SEQ_SHIFT    4
+#define IEEE80211_SEQ_MAX          4096
+#define IEEE80211_WEP_IVLEN        3
+#define IEEE80211_WEP_KIDLEN       1
+#define IEEE80211_WEP_CRCLEN       4
+#define IEEE80211_MAX_MPDU_LEN     (3840 + FCS_LEN +		\
+				    (IEEE80211_WEP_IVLEN +	\
+				     IEEE80211_WEP_KIDLEN +	\
+				     IEEE80211_WEP_CRCLEN))
+
+/* return whether a bit at index _n in bitmap _bm is set
+ * _sz is the size of the bitmap  */
+#define ATH_BA_ISSET(_bm, _n)  (((_n) < (WME_BA_BMP_SIZE)) &&		\
+				((_bm)[(_n) >> 5] & (1 << ((_n) & 31))))
+
+/* return block-ack bitmap index given sequence and starting sequence */
+#define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1))
+
+/* return the seqno for _start + _offset */
+#define ATH_BA_INDEX2SEQ(_seq, _offset) (((_seq) + (_offset)) & (IEEE80211_SEQ_MAX - 1))
+
+/* returns delimiter padding required given the packet length */
+#define ATH_AGGR_GET_NDELIM(_len)					\
+       (((_len) >= ATH_AGGR_MINPLEN) ? 0 :                             \
+        DIV_ROUND_UP(ATH_AGGR_MINPLEN - (_len), ATH_AGGR_DELIM_SZ))
+
+#define BAW_WITHIN(_start, _bawsz, _seqno) \
+	((((_seqno) - (_start)) & 4095) < (_bawsz))
+
+#define ATH_AN_2_TID(_an, _tidno)  (&(_an)->tid[(_tidno)])
+
+#define ATH_TX_COMPLETE_POLL_INT	1000
+
+enum ATH_AGGR_STATUS {
+	ATH_AGGR_DONE,
+	ATH_AGGR_BAW_CLOSED,
+	ATH_AGGR_LIMITED,
+};
+
+#define ATH_TXFIFO_DEPTH 8
+struct ath_txq {
+	int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */
+	u32 axq_qnum; /* ath9k hardware queue number */
+	void *axq_link;
+	struct list_head axq_q;
+	spinlock_t axq_lock;
+	u32 axq_depth;
+	u32 axq_ampdu_depth;
+	bool stopped;
+	bool axq_tx_inprogress;
+	struct list_head axq_acq;
+	struct list_head txq_fifo[ATH_TXFIFO_DEPTH];
+	u8 txq_headidx;
+	u8 txq_tailidx;
+	int pending_frames;
+	struct sk_buff_head complete_q;
+};
+
+struct ath_atx_ac {
+	struct ath_txq *txq;
+	int sched;
+	struct list_head list;
+	struct list_head tid_q;
+	bool clear_ps_filter;
+};
+
+struct ath_frame_info {
+	struct ath_buf *bf;
+	int framelen;
+	enum ath9k_key_type keytype;
+	u8 keyix;
+	u8 retries;
+	u8 rtscts_rate;
+};
+
+struct ath_buf_state {
+	u8 bf_type;
+	u8 bfs_paprd;
+	u8 ndelim;
+	u16 seqno;
+	unsigned long bfs_paprd_timestamp;
+};
+
+struct ath_buf {
+	struct list_head list;
+	struct ath_buf *bf_lastbf;	/* last buf of this unit (a frame or
+					   an aggregate) */
+	struct ath_buf *bf_next;	/* next subframe in the aggregate */
+	struct sk_buff *bf_mpdu;	/* enclosing frame structure */
+	void *bf_desc;			/* virtual addr of desc */
+	dma_addr_t bf_daddr;		/* physical addr of desc */
+	dma_addr_t bf_buf_addr;	/* physical addr of data buffer, for DMA */
+	bool bf_stale;
+	struct ath_buf_state bf_state;
+};
+
+struct ath_atx_tid {
+	struct list_head list;
+	struct sk_buff_head buf_q;
+	struct ath_node *an;
+	struct ath_atx_ac *ac;
+	unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)];
+	int bar_index;
+	u16 seq_start;
+	u16 seq_next;
+	u16 baw_size;
+	int tidno;
+	int baw_head;   /* first un-acked tx buffer */
+	int baw_tail;   /* next unused tx buffer slot */
+	int sched;
+	int paused;
+	u8 state;
+};
+
+struct ath_node {
+#ifdef CONFIG_ATH9K_DEBUGFS
+	struct list_head list; /* for sc->nodes */
+#endif
+	struct ieee80211_sta *sta; /* station struct we're part of */
+	struct ieee80211_vif *vif; /* interface with which we're associated */
+	struct ath_atx_tid tid[WME_NUM_TID];
+	struct ath_atx_ac ac[WME_NUM_AC];
+	int ps_key;
+
+	u16 maxampdu;
+	u8 mpdudensity;
+
+	bool sleeping;
+};
+
+#define AGGR_CLEANUP         BIT(1)
+#define AGGR_ADDBA_COMPLETE  BIT(2)
+#define AGGR_ADDBA_PROGRESS  BIT(3)
+
+struct ath_tx_control {
+	struct ath_txq *txq;
+	struct ath_node *an;
+	u8 paprd;
+};
+
+#define ATH_TX_ERROR        0x01
+
+/**
+ * @txq_map:  Index is mac80211 queue number.  This is
+ *  not necessarily the same as the hardware queue number
+ *  (axq_qnum).
+ */
+struct ath_tx {
+	u16 seq_no;
+	u32 txqsetup;
+	spinlock_t txbuflock;
+	struct list_head txbuf;
+	struct ath_txq txq[ATH9K_NUM_TX_QUEUES];
+	struct ath_descdma txdma;
+	struct ath_txq *txq_map[WME_NUM_AC];
+};
+
+struct ath_rx_edma {
+	struct sk_buff_head rx_fifo;
+	u32 rx_fifo_hwsize;
+};
+
+struct ath_rx {
+	u8 defant;
+	u8 rxotherant;
+	u32 *rxlink;
+	unsigned int rxfilter;
+	spinlock_t rxbuflock;
+	struct list_head rxbuf;
+	struct ath_descdma rxdma;
+	struct ath_buf *rx_bufptr;
+	struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX];
+
+	struct sk_buff *frag;
+};
+
+int ath_startrecv(struct ath_softc *sc);
+bool ath_stoprecv(struct ath_softc *sc);
+void ath_flushrecv(struct ath_softc *sc);
+u32 ath_calcrxfilter(struct ath_softc *sc);
+int ath_rx_init(struct ath_softc *sc, int nbufs);
+void ath_rx_cleanup(struct ath_softc *sc);
+int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp);
+struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
+void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
+bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx);
+void ath_draintxq(struct ath_softc *sc,
+		     struct ath_txq *txq, bool retry_tx);
+void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
+void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
+void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
+int ath_tx_init(struct ath_softc *sc, int nbufs);
+void ath_tx_cleanup(struct ath_softc *sc);
+int ath_txq_update(struct ath_softc *sc, int qnum,
+		   struct ath9k_tx_queue_info *q);
+int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
+		 struct ath_tx_control *txctl);
+void ath_tx_tasklet(struct ath_softc *sc);
+void ath_tx_edma_tasklet(struct ath_softc *sc);
+int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
+		      u16 tid, u16 *ssn);
+void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
+void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
+
+void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an);
+void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc,
+		       struct ath_node *an);
+
+/********/
+/* VIFs */
+/********/
+
+struct ath_vif {
+	int av_bslot;
+	bool is_bslot_active, primary_sta_vif;
+	__le64 tsf_adjust; /* TSF adjustment for staggered beacons */
+	struct ath_buf *av_bcbuf;
+};
+
+/*******************/
+/* Beacon Handling */
+/*******************/
+
+/*
+ * Regardless of the number of beacons we stagger, (i.e. regardless of the
+ * number of BSSIDs) if a given beacon does not go out even after waiting this
+ * number of beacon intervals, the game's up.
+ */
+#define BSTUCK_THRESH           	9
+#define	ATH_BCBUF               	4
+#define ATH_DEFAULT_BINTVAL     	100 /* TU */
+#define ATH_DEFAULT_BMISS_LIMIT 	10
+#define IEEE80211_MS_TO_TU(x)           (((x) * 1000) / 1024)
+
+struct ath_beacon_config {
+	int beacon_interval;
+	u16 listen_interval;
+	u16 dtim_period;
+	u16 bmiss_timeout;
+	u8 dtim_count;
+};
+
+struct ath_beacon {
+	enum {
+		OK,		/* no change needed */
+		UPDATE,		/* update pending */
+		COMMIT		/* beacon sent, commit change */
+	} updateslot;		/* slot time update fsm */
+
+	u32 beaconq;
+	u32 bmisscnt;
+	u32 ast_be_xmit;
+	u32 bc_tstamp;
+	struct ieee80211_vif *bslot[ATH_BCBUF];
+	int slottime;
+	int slotupdate;
+	struct ath9k_tx_queue_info beacon_qi;
+	struct ath_descdma bdma;
+	struct ath_txq *cabq;
+	struct list_head bbuf;
+
+	bool tx_processed;
+	bool tx_last;
+};
+
+void ath_beacon_tasklet(unsigned long data);
+void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif);
+int ath_beacon_alloc(struct ath_softc *sc, struct ieee80211_vif *vif);
+void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp);
+int ath_beaconq_config(struct ath_softc *sc);
+void ath_set_beacon(struct ath_softc *sc);
+void ath9k_set_beaconing_status(struct ath_softc *sc, bool status);
+
+/*******/
+/* ANI */
+/*******/
+
+#define ATH_STA_SHORT_CALINTERVAL 1000    /* 1 second */
+#define ATH_AP_SHORT_CALINTERVAL  100     /* 100 ms */
+#define ATH_ANI_POLLINTERVAL_OLD  100     /* 100 ms */
+#define ATH_ANI_POLLINTERVAL_NEW  1000    /* 1000 ms */
+#define ATH_LONG_CALINTERVAL_INT  1000    /* 1000 ms */
+#define ATH_LONG_CALINTERVAL      30000   /* 30 seconds */
+#define ATH_RESTART_CALINTERVAL   1200000 /* 20 minutes */
+
+#define ATH_PAPRD_TIMEOUT	100 /* msecs */
+
+void ath_reset_work(struct work_struct *work);
+void ath_hw_check(struct work_struct *work);
+void ath_hw_pll_work(struct work_struct *work);
+void ath_paprd_calibrate(struct work_struct *work);
+void ath_ani_calibrate(unsigned long data);
+void ath_start_ani(struct ath_common *common);
+
+/**********/
+/* BTCOEX */
+/**********/
+
+struct ath_btcoex {
+	bool hw_timer_enabled;
+	spinlock_t btcoex_lock;
+	struct timer_list period_timer; /* Timer for BT period */
+	u32 bt_priority_cnt;
+	unsigned long bt_priority_time;
+	int bt_stomp_type; /* Types of BT stomping */
+	u32 btcoex_no_stomp; /* in usec */
+	u32 btcoex_period; /* in usec */
+	u32 btscan_no_stomp; /* in usec */
+	u32 duty_cycle;
+	struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */
+	struct ath_mci_profile mci;
+};
+
+#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+int ath9k_init_btcoex(struct ath_softc *sc);
+void ath9k_deinit_btcoex(struct ath_softc *sc);
+void ath9k_start_btcoex(struct ath_softc *sc);
+void ath9k_stop_btcoex(struct ath_softc *sc);
+void ath9k_btcoex_timer_resume(struct ath_softc *sc);
+void ath9k_btcoex_timer_pause(struct ath_softc *sc);
+void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status);
+u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen);
+#else
+static inline int ath9k_init_btcoex(struct ath_softc *sc)
+{
+	return 0;
+}
+static inline void ath9k_deinit_btcoex(struct ath_softc *sc)
+{
+}
+static inline void ath9k_start_btcoex(struct ath_softc *sc)
+{
+}
+static inline void ath9k_stop_btcoex(struct ath_softc *sc)
+{
+}
+static inline void ath9k_btcoex_handle_interrupt(struct ath_softc *sc,
+						 u32 status)
+{
+}
+static inline u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc,
+					  u32 max_4ms_framelen)
+{
+	return 0;
+}
+#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
+
+/********************/
+/*   LED Control    */
+/********************/
+
+#define ATH_LED_PIN_DEF 		1
+#define ATH_LED_PIN_9287		8
+#define ATH_LED_PIN_9300		10
+#define ATH_LED_PIN_9485		6
+#define ATH_LED_PIN_9462		4
+
+#ifdef CONFIG_MAC80211_LEDS
+void ath_init_leds(struct ath_softc *sc);
+void ath_deinit_leds(struct ath_softc *sc);
+#else
+static inline void ath_init_leds(struct ath_softc *sc)
+{
+}
+
+static inline void ath_deinit_leds(struct ath_softc *sc)
+{
+}
+#endif
+
+
+/* Antenna diversity/combining */
+#define ATH_ANT_RX_CURRENT_SHIFT 4
+#define ATH_ANT_RX_MAIN_SHIFT 2
+#define ATH_ANT_RX_MASK 0x3
+
+#define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR 50
+#define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT 0x100
+#define ATH_ANT_DIV_COMB_MAX_PKTCOUNT 0x200
+#define ATH_ANT_DIV_COMB_INIT_COUNT 95
+#define ATH_ANT_DIV_COMB_MAX_COUNT 100
+#define ATH_ANT_DIV_COMB_ALT_ANT_RATIO 30
+#define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 20
+
+#define ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA -1
+#define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4
+#define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2
+#define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2
+
+enum ath9k_ant_div_comb_lna_conf {
+	ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2,
+	ATH_ANT_DIV_COMB_LNA2,
+	ATH_ANT_DIV_COMB_LNA1,
+	ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2,
+};
+
+struct ath_ant_comb {
+	u16 count;
+	u16 total_pkt_count;
+	bool scan;
+	bool scan_not_start;
+	int main_total_rssi;
+	int alt_total_rssi;
+	int alt_recv_cnt;
+	int main_recv_cnt;
+	int rssi_lna1;
+	int rssi_lna2;
+	int rssi_add;
+	int rssi_sub;
+	int rssi_first;
+	int rssi_second;
+	int rssi_third;
+	bool alt_good;
+	int quick_scan_cnt;
+	int main_conf;
+	enum ath9k_ant_div_comb_lna_conf first_quick_scan_conf;
+	enum ath9k_ant_div_comb_lna_conf second_quick_scan_conf;
+	int first_bias;
+	int second_bias;
+	bool first_ratio;
+	bool second_ratio;
+	unsigned long scan_start_time;
+};
+
+/********************/
+/* Main driver core */
+/********************/
+
+/*
+ * Default cache line size, in bytes.
+ * Used when PCI device not fully initialized by bootrom/BIOS
+*/
+#define DEFAULT_CACHELINE       32
+#define ATH_REGCLASSIDS_MAX     10
+#define ATH_CABQ_READY_TIME     80      /* % of beacon interval */
+#define ATH_MAX_SW_RETRIES      30
+#define ATH_CHAN_MAX            255
+
+#define ATH_TXPOWER_MAX         100     /* .5 dBm units */
+#define ATH_RATE_DUMMY_MARKER   0
+
+#define SC_OP_INVALID                BIT(0)
+#define SC_OP_BEACONS                BIT(1)
+#define SC_OP_OFFCHANNEL             BIT(2)
+#define SC_OP_RXFLUSH                BIT(3)
+#define SC_OP_TSF_RESET              BIT(4)
+#define SC_OP_BT_PRIORITY_DETECTED   BIT(5)
+#define SC_OP_BT_SCAN                BIT(6)
+#define SC_OP_ANI_RUN                BIT(7)
+#define SC_OP_PRIM_STA_VIF           BIT(8)
+
+/* Powersave flags */
+#define PS_WAIT_FOR_BEACON        BIT(0)
+#define PS_WAIT_FOR_CAB           BIT(1)
+#define PS_WAIT_FOR_PSPOLL_DATA   BIT(2)
+#define PS_WAIT_FOR_TX_ACK        BIT(3)
+#define PS_BEACON_SYNC            BIT(4)
+
+struct ath_rate_table;
+
+struct ath9k_vif_iter_data {
+	const u8 *hw_macaddr; /* phy's hardware address, set
+			       * before starting iteration for
+			       * valid bssid mask.
+			       */
+	u8 mask[ETH_ALEN]; /* bssid mask */
+	int naps;      /* number of AP vifs */
+	int nmeshes;   /* number of mesh vifs */
+	int nstations; /* number of station vifs */
+	int nwds;      /* number of WDS vifs */
+	int nadhocs;   /* number of adhoc vifs */
+};
+
+struct ath_softc {
+	struct ieee80211_hw *hw;
+	struct device *dev;
+
+	struct survey_info *cur_survey;
+	struct survey_info survey[ATH9K_NUM_CHANNELS];
+
+	struct tasklet_struct intr_tq;
+	struct tasklet_struct bcon_tasklet;
+	struct ath_hw *sc_ah;
+	void __iomem *mem;
+	int irq;
+	spinlock_t sc_serial_rw;
+	spinlock_t sc_pm_lock;
+	spinlock_t sc_pcu_lock;
+	struct mutex mutex;
+	struct work_struct paprd_work;
+	struct work_struct hw_check_work;
+	struct work_struct hw_reset_work;
+	struct completion paprd_complete;
+
+	unsigned int hw_busy_count;
+
+	u32 intrstatus;
+	u32 sc_flags; /* SC_OP_* */
+	u16 ps_flags; /* PS_* */
+	u16 curtxpow;
+	bool ps_enabled;
+	bool ps_idle;
+	short nbcnvifs;
+	short nvifs;
+	unsigned long ps_usecount;
+
+	struct ath_config config;
+	struct ath_rx rx;
+	struct ath_tx tx;
+	struct ath_beacon beacon;
+	struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
+
+#ifdef CONFIG_MAC80211_LEDS
+	bool led_registered;
+	char led_name[32];
+	struct led_classdev led_cdev;
+#endif
+
+	struct ath9k_hw_cal_data caldata;
+	int last_rssi;
+
+#ifdef CONFIG_ATH9K_DEBUGFS
+	struct ath9k_debug debug;
+	spinlock_t nodes_lock;
+	struct list_head nodes; /* basically, stations */
+	unsigned int tx_complete_poll_work_seen;
+#endif
+	struct ath_beacon_config cur_beacon_conf;
+	struct delayed_work tx_complete_work;
+	struct delayed_work hw_pll_work;
+
+#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+	struct ath_btcoex btcoex;
+	struct ath_mci_coex mci_coex;
+#endif
+
+	struct ath_descdma txsdma;
+
+	struct ath_ant_comb ant_comb;
+	u8 ant_tx, ant_rx;
+};
+
+void ath9k_tasklet(unsigned long data);
+int ath_cabq_update(struct ath_softc *);
+
+static inline void ath_read_cachesize(struct ath_common *common, int *csz)
+{
+	common->bus_ops->read_cachesize(common, csz);
+}
+
+extern struct ieee80211_ops ath9k_ops;
+extern int ath9k_modparam_nohwcrypt;
+extern int led_blink;
+extern bool is_ath9k_unloaded;
+
+irqreturn_t ath_isr(int irq, void *dev);
+int ath9k_init_device(u16 devid, struct ath_softc *sc,
+		    const struct ath_bus_ops *bus_ops);
+void ath9k_deinit_device(struct ath_softc *sc);
+void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
+void ath9k_reload_chainmask_settings(struct ath_softc *sc);
+
+bool ath9k_uses_beacons(int type);
+
+#ifdef CONFIG_ATH9K_PCI
+int ath_pci_init(void);
+void ath_pci_exit(void);
+#else
+static inline int ath_pci_init(void) { return 0; };
+static inline void ath_pci_exit(void) {};
+#endif
+
+#ifdef CONFIG_ATH9K_AHB
+int ath_ahb_init(void);
+void ath_ahb_exit(void);
+#else
+static inline int ath_ahb_init(void) { return 0; };
+static inline void ath_ahb_exit(void) {};
+#endif
+
+void ath9k_ps_wakeup(struct ath_softc *sc);
+void ath9k_ps_restore(struct ath_softc *sc);
+
+u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate);
+
+void ath_start_rfkill_poll(struct ath_softc *sc);
+extern void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
+void ath9k_calculate_iter_data(struct ieee80211_hw *hw,
+			       struct ieee80211_vif *vif,
+			       struct ath9k_vif_iter_data *iter_data);
+
+
+#endif /* ATH9K_H */