1 /* $NetBSD: rtwvar.h,v 1.43 2010/03/15 23:21:08 dyoung Exp $ */
2 /*-
3  * Copyright (c) 2004, 2005 David Young.  All rights reserved.
4  *
5  * Driver for the Realtek RTL8180 802.11 MAC/BBP by David Young.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY David Young ``AS IS'' AND ANY
17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
18  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
19  * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL David
20  * Young BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
22  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
27  * OF SUCH DAMAGE.
28  */
29 
30 #ifndef _DEV_IC_RTWVAR_H_
31 #define	_DEV_IC_RTWVAR_H_
32 
33 #include <sys/queue.h>
34 #include <sys/callout.h>
35 
36 #ifdef RTW_DEBUG
37 #define	RTW_DEBUG_TUNE		0x0000001
38 #define	RTW_DEBUG_PKTFILT	0x0000002
39 #define	RTW_DEBUG_XMIT		0x0000004
40 #define	RTW_DEBUG_XMIT_DESC	0x0000008
41 #define	RTW_DEBUG_NODE		0x0000010
42 #define	RTW_DEBUG_PWR		0x0000020
43 #define	RTW_DEBUG_ATTACH	0x0000040
44 #define	RTW_DEBUG_REGDUMP	0x0000080
45 #define	RTW_DEBUG_ACCESS	0x0000100
46 #define	RTW_DEBUG_RESET		0x0000200
47 #define	RTW_DEBUG_INIT		0x0000400
48 #define	RTW_DEBUG_IOSTATE	0x0000800
49 #define	RTW_DEBUG_RECV		0x0001000
50 #define	RTW_DEBUG_RECV_DESC	0x0002000
51 #define	RTW_DEBUG_IO_KICK	0x0004000
52 #define	RTW_DEBUG_INTR		0x0008000
53 #define	RTW_DEBUG_PHY		0x0010000
54 #define	RTW_DEBUG_PHYIO		0x0020000
55 #define	RTW_DEBUG_PHYBITIO	0x0040000
56 #define	RTW_DEBUG_TIMEOUT	0x0080000
57 #define	RTW_DEBUG_BUGS		0x0100000
58 #define	RTW_DEBUG_BEACON	0x0200000
59 #define	RTW_DEBUG_LED		0x0400000
60 #define	RTW_DEBUG_KEY		0x0800000
61 #define	RTW_DEBUG_XMIT_RSRC	0x1000000
62 #define	RTW_DEBUG_OACTIVE	0x2000000
63 #define	RTW_DEBUG_MAX		0x3ffffff
64 
65 extern int rtw_debug;
66 #define RTW_DPRINTF(__flags, __x)	\
67 	if ((rtw_debug & (__flags)) != 0) printf __x
68 #define	DPRINTF(__sc, __flags, __x)				\
69 	if (((__sc)->sc_if.if_flags & IFF_DEBUG) != 0)	\
70 		RTW_DPRINTF(__flags, __x)
71 #define	RTW_PRINT_REGS(__regs, __dvname, __where)	\
72 	rtw_print_regs((__regs), (__dvname), (__where))
73 #else /* RTW_DEBUG */
74 #define RTW_DPRINTF(__flags, __x)
75 #define	DPRINTF(__sc, __flags, __x)
76 #define	RTW_PRINT_REGS(__regs, __dvname, __where)
77 #endif /* RTW_DEBUG */
78 
79 enum rtw_locale {
80 	RTW_LOCALE_USA = 0,
81 	RTW_LOCALE_EUROPE,
82 	RTW_LOCALE_JAPAN,
83 	RTW_LOCALE_UNKNOWN
84 };
85 
86 enum rtw_rfchipid {
87 	RTW_RFCHIPID_RESERVED = 0,
88 	RTW_RFCHIPID_INTERSIL = 1,
89 	RTW_RFCHIPID_RFMD = 2,
90 	RTW_RFCHIPID_PHILIPS = 3,
91 	RTW_RFCHIPID_MAXIM = 4,
92 	RTW_RFCHIPID_GCT = 5
93 };
94 /* sc_flags */
95 #define RTW_F_DIGPHY		0x00000002	/* digital PHY */
96 #define RTW_F_DFLANTB		0x00000004	/* B antenna is default */
97 #define RTW_F_ANTDIV		0x00000010	/* h/w antenna diversity */
98 #define RTW_F_9356SROM		0x00000020	/* 93c56 SROM */
99 #define	RTW_F_DK_VALID		0x00000040	/* keys in DK0-DK3 are valid */
100 #define	RTW_C_RXWEP_40		0x00000080	/* h/w decrypts 40-bit WEP */
101 #define	RTW_C_RXWEP_104		0x00000100	/* h/w decrypts 104-bit WEP */
102 	/* all PHY flags */
103 #define RTW_F_ALLPHY		(RTW_F_DIGPHY|RTW_F_DFLANTB|RTW_F_ANTDIV)
104 enum rtw_access {RTW_ACCESS_NONE = 0,
105 		 RTW_ACCESS_CONFIG = 1,
106 		 RTW_ACCESS_ANAPARM = 2};
107 
108 struct rtw_regs {
109 	bus_space_tag_t		r_bt;
110 	bus_space_handle_t	r_bh;
111 	bus_size_t		r_sz;
112 	enum rtw_access		r_access;
113 };
114 
115 /*
116  * Bus barrier
117  *
118  * Complete outstanding read and/or write ops on [reg0, reg1]
119  * ([reg1, reg0]) before starting new ops on the same region. See
120  * acceptable bus_space_barrier(9) for the flag definitions.
121  */
122 static inline void
rtw_barrier(const struct rtw_regs * r,int reg0,int reg1,int flags)123 rtw_barrier(const struct rtw_regs *r, int reg0, int reg1, int flags)
124 {
125 	bus_space_barrier(r->r_bt, r->r_bh, MIN(reg0, reg1),
126 	    MAX(reg0, reg1) - MIN(reg0, reg1) + 4, flags);
127 }
128 
129 /*
130  * Barrier convenience macros.
131  */
132 /* sync */
133 #define RTW_SYNC(regs, reg0, reg1)				\
134 	rtw_barrier(regs, reg0, reg1, BUS_SPACE_BARRIER_SYNC)
135 
136 /* write-before-write */
137 #define RTW_WBW(regs, reg0, reg1)				\
138 	rtw_barrier(regs, reg0, reg1, BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE)
139 
140 /* write-before-read */
141 #define RTW_WBR(regs, reg0, reg1)				\
142 	rtw_barrier(regs, reg0, reg1, BUS_SPACE_BARRIER_WRITE_BEFORE_READ)
143 
144 /* read-before-read */
145 #define RTW_RBR(regs, reg0, reg1)				\
146 	rtw_barrier(regs, reg0, reg1, BUS_SPACE_BARRIER_READ_BEFORE_READ)
147 
148 /* read-before-write */
149 #define RTW_RBW(regs, reg0, reg1)				\
150 	rtw_barrier(regs, reg0, reg1, BUS_SPACE_BARRIER_READ_BEFORE_WRITE)
151 
152 #define RTW_WBRW(regs, reg0, reg1)				\
153 		rtw_barrier(regs, reg0, reg1,			\
154 		    BUS_SPACE_BARRIER_WRITE_BEFORE_READ |	\
155 		    BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE)
156 
157 #define RTW_SR_GET(sr, ofs) \
158     (((sr)->sr_content[(ofs)/2] >> (((ofs) % 2 == 0) ? 0 : 8)) & 0xff)
159 
160 #define RTW_SR_GET16(sr, ofs) \
161     (RTW_SR_GET((sr), (ofs)) | (RTW_SR_GET((sr), (ofs) + 1) << 8))
162 
163 struct rtw_srom {
164 	uint16_t		*sr_content;
165 	uint16_t		sr_size;
166 };
167 
168 struct rtw_rxsoft {
169 	struct mbuf			*rs_mbuf;
170 	bus_dmamap_t			rs_dmamap;
171 };
172 
173 struct rtw_txsoft {
174 	SIMPLEQ_ENTRY(rtw_txsoft)	ts_q;
175 	struct mbuf			*ts_mbuf;
176 	bus_dmamap_t			ts_dmamap;
177 	struct ieee80211_node		*ts_ni;	/* destination node */
178 	u_int				ts_first;	/* 1st hw descriptor */
179 	u_int				ts_last;	/* last hw descriptor */
180 	struct ieee80211_duration	ts_d0;
181 	struct ieee80211_duration	ts_dn;
182 };
183 
184 #define RTW_NTXPRI	4	/* number of Tx priorities */
185 #define RTW_TXPRILO	0
186 #define RTW_TXPRIMD	1
187 #define RTW_TXPRIHI	2
188 #define RTW_TXPRIBCN	3	/* beacon priority */
189 
190 #define RTW_MAXPKTSEGS		64	/* Max 64 segments per Tx packet */
191 
192 #define CASSERT(cond, complaint) complaint[(cond) ? 0 : -1] = complaint[(cond) ? 0 : -1]
193 
194 /* Note well: the descriptor rings must begin on RTW_DESC_ALIGNMENT
195  * boundaries.  I allocate them consecutively from one buffer, so
196  * just round up.
197  */
198 #define RTW_TXQLENLO	64	/* low-priority queue length */
199 #define RTW_TXQLENMD	64	/* medium-priority */
200 #define RTW_TXQLENHI	64	/* high-priority */
201 #define RTW_TXQLENBCN	8	/* beacon */
202 
203 #define RTW_NTXDESCLO	RTW_TXQLENLO
204 #define RTW_NTXDESCMD	RTW_TXQLENMD
205 #define RTW_NTXDESCHI	RTW_TXQLENHI
206 #define RTW_NTXDESCBCN	RTW_TXQLENBCN
207 
208 #define RTW_NTXDESCTOTAL	(RTW_NTXDESCLO + RTW_NTXDESCMD + \
209 				 RTW_NTXDESCHI + RTW_NTXDESCBCN)
210 
211 #define RTW_RXQLEN	64
212 
213 struct rtw_rxdesc_blk {
214 	u_int			rdb_ndesc;
215 	u_int			rdb_next;
216 	bus_dma_tag_t		rdb_dmat;
217 	bus_dmamap_t		rdb_dmamap;
218 	struct rtw_rxdesc	*rdb_desc;
219 };
220 
221 struct rtw_txdesc_blk {
222 	u_int			tdb_ndesc;
223 	u_int			tdb_next;
224 	u_int			tdb_nfree;
225 	bus_dma_tag_t		tdb_dmat;
226 	bus_dmamap_t		tdb_dmamap;
227 	bus_addr_t		tdb_physbase;
228 	bus_addr_t		tdb_ofs;
229 	bus_size_t		tdb_basereg;
230 	uint32_t		tdb_base;
231 	struct rtw_txdesc	*tdb_desc;
232 };
233 
234 #define RTW_NEXT_IDX(__htc, __idx)	(((__idx) + 1) % (__htc)->tdb_ndesc)
235 
236 #define RTW_NEXT_DESC(__htc, __idx) \
237     ((__htc)->tdb_physbase + \
238      sizeof(struct rtw_txdesc) * RTW_NEXT_IDX((__htc), (__idx)))
239 
240 SIMPLEQ_HEAD(rtw_txq, rtw_txsoft);
241 
242 struct rtw_txsoft_blk {
243 	/* dirty/free s/w descriptors */
244 	struct rtw_txq		tsb_dirtyq;
245 	struct rtw_txq		tsb_freeq;
246 	u_int			tsb_ndesc;
247 	int			tsb_tx_timer;
248 	struct rtw_txsoft	*tsb_desc;
249 	uint8_t			tsb_poll;
250 };
251 
252 struct rtw_descs {
253 	struct rtw_txdesc	hd_txlo[RTW_NTXDESCLO];
254 	struct rtw_txdesc	hd_txmd[RTW_NTXDESCMD];
255 	struct rtw_txdesc	hd_txhi[RTW_NTXDESCMD];
256 	struct rtw_rxdesc	hd_rx[RTW_RXQLEN];
257 	struct rtw_txdesc	hd_bcn[RTW_NTXDESCBCN];
258 };
259 #define RTW_DESC_OFFSET(ring, i)	offsetof(struct rtw_descs, ring[i])
260 #define RTW_RING_OFFSET(ring)		RTW_DESC_OFFSET(ring, 0)
261 #define RTW_RING_BASE(sc, ring)		((sc)->sc_desc_physaddr + \
262 					 RTW_RING_OFFSET(ring))
263 
264 /* Radio capture format for RTL8180. */
265 
266 #define RTW_RX_RADIOTAP_PRESENT					\
267 	((1 << IEEE80211_RADIOTAP_TSFT)			|	\
268 	 (1 << IEEE80211_RADIOTAP_FLAGS)		|	\
269 	 (1 << IEEE80211_RADIOTAP_RATE)			|	\
270 	 (1 << IEEE80211_RADIOTAP_CHANNEL)		|	\
271 	 (1 << IEEE80211_RADIOTAP_LOCK_QUALITY)		|	\
272 	 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)		|	\
273 	 0)
274 
275 #define RTW_PHILIPS_RX_RADIOTAP_PRESENT					\
276 	((1 << IEEE80211_RADIOTAP_TSFT)			|	\
277 	 (1 << IEEE80211_RADIOTAP_FLAGS)		|	\
278 	 (1 << IEEE80211_RADIOTAP_RATE)			|	\
279 	 (1 << IEEE80211_RADIOTAP_CHANNEL)		|	\
280 	 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)		|	\
281 	 0)
282 
283 struct rtw_rx_radiotap_header {
284 	struct ieee80211_radiotap_header	rr_ihdr;
285 	uint64_t				rr_tsft;
286 	uint8_t					rr_flags;
287 	uint8_t					rr_rate;
288 	uint16_t				rr_chan_freq;
289 	uint16_t				rr_chan_flags;
290 	union {
291 		struct {
292 			uint16_t		o_barker_lock;
293 			uint8_t			o_antsignal;
294 		} u_other;
295 		struct {
296 			uint8_t			p_antsignal;
297 		} u_philips;
298 	} rr_u;
299 } __packed;
300 
301 #define RTW_TX_RADIOTAP_PRESENT				\
302 	((1 << IEEE80211_RADIOTAP_RATE)		|	\
303 	 (1 << IEEE80211_RADIOTAP_CHANNEL)	|	\
304 	 0)
305 
306 struct rtw_tx_radiotap_header {
307 	struct ieee80211_radiotap_header	rt_ihdr;
308 	uint8_t					rt_rate;
309 	uint8_t					rt_pad;
310 	uint16_t				rt_chan_freq;
311 	uint16_t				rt_chan_flags;
312 } __packed;
313 
314 enum rtw_attach_state {FINISHED, FINISH_DESCMAP_LOAD, FINISH_DESCMAP_CREATE,
315 	FINISH_DESC_MAP, FINISH_DESC_ALLOC, FINISH_RXMAPS_CREATE,
316 	FINISH_TXMAPS_CREATE, FINISH_RESET, FINISH_READ_SROM, FINISH_PARSE_SROM,
317 	FINISH_RF_ATTACH, FINISH_ID_STA, FINISH_TXDESCBLK_SETUP,
318 	FINISH_TXCTLBLK_SETUP, DETACHED};
319 
320 struct rtw_mtbl {
321 	int			(*mt_newstate)(struct ieee80211com *,
322 					enum ieee80211_state, int);
323 	void			(*mt_recv_mgmt)(struct ieee80211com *,
324 				    struct mbuf *, struct ieee80211_node *,
325 				    int, int, uint32_t);
326 	struct ieee80211_node	*(*mt_node_alloc)(struct ieee80211_node_table*);
327 	void			(*mt_node_free)(struct ieee80211_node *);
328 };
329 
330 enum rtw_pwrstate { RTW_OFF = 0, RTW_SLEEP, RTW_ON };
331 
332 typedef void (*rtw_continuous_tx_cb_t)(void *arg, int);
333 
334 struct rtw_phy {
335 	struct rtw_rf	*p_rf;
336 	struct rtw_regs	*p_regs;
337 };
338 
339 struct rtw_bbpset {
340 	u_int	bb_antatten;
341 	u_int	bb_chestlim;
342 	u_int	bb_chsqlim;
343 	u_int	bb_ifagcdet;
344 	u_int	bb_ifagcini;
345 	u_int	bb_ifagclimit;
346 	u_int	bb_lnadet;
347 	u_int	bb_sys1;
348 	u_int	bb_sys2;
349 	u_int	bb_sys3;
350 	u_int	bb_trl;
351 	u_int	bb_txagc;
352 };
353 
354 struct rtw_rf {
355 	void	(*rf_destroy)(struct rtw_rf *);
356 	/* args: frequency, txpower, power state */
357 	int	(*rf_init)(struct rtw_rf *, u_int, uint8_t,
358 	                  enum rtw_pwrstate);
359 	/* arg: power state */
360 	int	(*rf_pwrstate)(struct rtw_rf *, enum rtw_pwrstate);
361 	/* arg: frequency */
362 	int	(*rf_tune)(struct rtw_rf *, u_int);
363 	/* arg: txpower */
364 	int	(*rf_txpower)(struct rtw_rf *, uint8_t);
365 	rtw_continuous_tx_cb_t	rf_continuous_tx_cb;
366 	void			*rf_continuous_tx_arg;
367 	struct rtw_bbpset	rf_bbpset;
368 };
369 
370 static __inline void
rtw_rf_destroy(struct rtw_rf * rf)371 rtw_rf_destroy(struct rtw_rf *rf)
372 {
373 	(*rf->rf_destroy)(rf);
374 }
375 
376 static __inline int
rtw_rf_init(struct rtw_rf * rf,u_int freq,uint8_t opaque_txpower,enum rtw_pwrstate power)377 rtw_rf_init(struct rtw_rf *rf, u_int freq, uint8_t opaque_txpower,
378     enum rtw_pwrstate power)
379 {
380 	return (*rf->rf_init)(rf, freq, opaque_txpower, power);
381 }
382 
383 static __inline int
rtw_rf_pwrstate(struct rtw_rf * rf,enum rtw_pwrstate power)384 rtw_rf_pwrstate(struct rtw_rf *rf, enum rtw_pwrstate power)
385 {
386 	return (*rf->rf_pwrstate)(rf, power);
387 }
388 
389 static __inline int
rtw_rf_tune(struct rtw_rf * rf,u_int freq)390 rtw_rf_tune(struct rtw_rf *rf, u_int freq)
391 {
392 	return (*rf->rf_tune)(rf, freq);
393 }
394 
395 static __inline int
rtw_rf_txpower(struct rtw_rf * rf,uint8_t opaque_txpower)396 rtw_rf_txpower(struct rtw_rf *rf, uint8_t opaque_txpower)
397 {
398 	return (*rf->rf_txpower)(rf, opaque_txpower);
399 }
400 
401 typedef int (*rtw_rf_write_t)(struct rtw_regs *, enum rtw_rfchipid, u_int,
402     uint32_t);
403 
404 struct rtw_rfbus {
405 	struct rtw_regs		*b_regs;
406 	rtw_rf_write_t		b_write;
407 };
408 
409 static __inline int
rtw_rfbus_write(struct rtw_rfbus * bus,enum rtw_rfchipid rfchipid,u_int addr,uint32_t val)410 rtw_rfbus_write(struct rtw_rfbus *bus, enum rtw_rfchipid rfchipid, u_int addr,
411     uint32_t val)
412 {
413 	return (*bus->b_write)(bus->b_regs, rfchipid, addr, val);
414 }
415 
416 struct rtw_max2820 {
417 	struct rtw_rf		mx_rf;
418 	struct rtw_rfbus	mx_bus;
419 	int			mx_is_a;	/* 1: MAX2820A/MAX2821A */
420 };
421 
422 struct rtw_grf5101 {
423 	struct rtw_rf		gr_rf;
424 	struct rtw_rfbus	gr_bus;
425 };
426 
427 struct rtw_sa2400 {
428 	struct rtw_rf		sa_rf;
429 	struct rtw_rfbus	sa_bus;
430 	int			sa_digphy;	/* 1: digital PHY */
431 };
432 
433 typedef void (*rtw_pwrstate_t)(struct rtw_regs *, enum rtw_pwrstate, int, int);
434 
435 union rtw_keys {
436 	uint8_t		rk_keys[4][16];
437 	uint32_t	rk_words[16];
438 };
439 
440 #define	RTW_LED_SLOW_TICKS	MAX(1, hz/2)
441 #define	RTW_LED_FAST_TICKS	MAX(1, hz/10)
442 
443 struct rtw_led_state {
444 #define	RTW_LED0	0x1
445 #define	RTW_LED1	0x2
446 	uint8_t		ls_slowblink:2;
447 	uint8_t		ls_actblink:2;
448 	uint8_t		ls_default:2;
449 	uint8_t		ls_state;
450 	uint8_t		ls_event;
451 #define	RTW_LED_S_RX	0x1
452 #define	RTW_LED_S_TX	0x2
453 #define	RTW_LED_S_SLOW	0x4
454 	struct callout	ls_slow_ch;
455 	struct callout	ls_fast_ch;
456 };
457 
458 struct rtw_softc {
459 	device_t		sc_dev;
460 	device_suspensor_t	sc_suspensor;
461 	pmf_qual_t		sc_qual;
462 
463 	struct ethercom		sc_ec;
464 	struct ieee80211com	sc_ic;
465 	struct rtw_regs		sc_regs;
466 	bus_dma_tag_t		sc_dmat;
467 	uint32_t		sc_flags;
468 
469 	enum rtw_attach_state	sc_attach_state;
470 	enum rtw_rfchipid	sc_rfchipid;
471 	enum rtw_locale		sc_locale;
472 	uint8_t		sc_phydelay;
473 
474 	/* s/w Tx/Rx descriptors */
475 	struct rtw_txsoft_blk	sc_txsoft_blk[RTW_NTXPRI];
476 	struct rtw_txdesc_blk	sc_txdesc_blk[RTW_NTXPRI];
477 
478 	struct rtw_rxsoft	sc_rxsoft[RTW_RXQLEN];
479 	struct rtw_rxdesc_blk	sc_rxdesc_blk;
480 
481 	struct rtw_descs	*sc_descs;
482 
483 	bus_dma_segment_t	sc_desc_segs;
484 	int			sc_desc_nsegs;
485 	bus_dmamap_t		sc_desc_dmamap;
486 #define	sc_desc_physaddr sc_desc_dmamap->dm_segs[0].ds_addr
487 
488 	struct rtw_srom		sc_srom;
489 
490 	enum rtw_pwrstate	sc_pwrstate;
491 
492 	rtw_pwrstate_t		sc_pwrstate_cb;
493 
494 	struct rtw_rf		*sc_rf;
495 
496 	uint16_t		sc_inten;
497 
498 	/* interrupt acknowledge hook */
499 	void (*sc_intr_ack)(struct rtw_regs *);
500 
501 	struct rtw_mtbl		sc_mtbl;
502 
503 	struct bpf_if *		sc_radiobpf;
504 
505 	struct callout		sc_scan_ch;
506 	u_int			sc_cur_chan;
507 
508 	uint32_t		sc_tsfth;	/* most significant TSFT bits */
509 	uint32_t		sc_rcr;		/* RTW_RCR */
510 	uint8_t		sc_csthr;	/* carrier-sense threshold */
511 
512 	int			sc_do_tick;	/* indicate 1s ticks */
513 	struct timeval		sc_tick0;	/* first tick */
514 
515 	uint8_t			sc_rev;		/* PCI/Cardbus revision */
516 
517 	uint32_t		sc_anaparm;	/* register RTW_ANAPARM */
518 
519 	union {
520 		struct rtw_rx_radiotap_header	tap;
521 		uint8_t			pad[64];
522 	} sc_rxtapu;
523 	union {
524 		struct rtw_tx_radiotap_header	tap;
525 		uint8_t			pad[64];
526 	} sc_txtapu;
527 	union rtw_keys		sc_keys;
528 	struct ifqueue		sc_beaconq;
529 	struct rtw_led_state	sc_led_state;
530 	int			sc_hwverid;
531 };
532 
533 #define	sc_if		sc_ec.ec_if
534 #define sc_rxtap	sc_rxtapu.tap
535 #define sc_txtap	sc_txtapu.tap
536 
537 void rtw_txdac_enable(struct rtw_softc *, int);
538 void rtw_anaparm_enable(struct rtw_regs *, int);
539 void rtw_config0123_enable(struct rtw_regs *, int);
540 void rtw_continuous_tx_enable(struct rtw_softc *, int);
541 void rtw_set_access(struct rtw_regs *, enum rtw_access);
542 
543 void rtw_attach(struct rtw_softc *);
544 int rtw_detach(struct rtw_softc *);
545 int rtw_intr(void *);
546 
547 bool rtw_suspend(device_t, const pmf_qual_t *);
548 bool rtw_resume(device_t, const pmf_qual_t *);
549 
550 int rtw_activate(device_t, enum devact);
551 
552 const char *rtw_pwrstate_string(enum rtw_pwrstate);
553 
554 #endif /* _DEV_IC_RTWVAR_H_ */
555