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      1 /* $NetBSD: rtwvar.h,v 1.48 2019/10/05 23:27:20 mrg 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
    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_READ|BUS_SPACE_BARRIER_WRITE)
    135 
    136 /* write-before-write */
    137 #define RTW_WBW(regs, reg0, reg1)				\
    138 	rtw_barrier(regs, reg0, reg1, BUS_SPACE_BARRIER_WRITE)
    139 
    140 /* write-before-read */
    141 #define RTW_WBR(regs, reg0, reg1)				\
    142 	rtw_barrier(regs, reg0, reg1, BUS_SPACE_BARRIER_WRITE)
    143 
    144 /* read-before-read */
    145 #define RTW_RBR(regs, reg0, reg1)				\
    146 	rtw_barrier(regs, reg0, reg1, BUS_SPACE_BARRIER_READ)
    147 
    148 /* read-before-write */
    149 #define RTW_RBW(regs, reg0, reg1)				\
    150 	rtw_barrier(regs, reg0, reg1, BUS_SPACE_BARRIER_READ)
    151 
    152 #define RTW_WBRW(regs, reg0, reg1)				\
    153 		rtw_barrier(regs, reg0, reg1,			\
    154 		    BUS_SPACE_BARRIER_WRITE)
    155 
    156 #define RTW_SR_GET(sr, ofs) \
    157     (((sr)->sr_content[(ofs)/2] >> (((ofs) % 2 == 0) ? 0 : 8)) & 0xff)
    158 
    159 #define RTW_SR_GET16(sr, ofs) \
    160     (RTW_SR_GET((sr), (ofs)) | (RTW_SR_GET((sr), (ofs) + 1) << 8))
    161 
    162 struct rtw_srom {
    163 	uint16_t		*sr_content;
    164 	uint16_t		sr_size;
    165 };
    166 
    167 struct rtw_rxsoft {
    168 	struct mbuf			*rs_mbuf;
    169 	bus_dmamap_t			rs_dmamap;
    170 };
    171 
    172 struct rtw_txsoft {
    173 	SIMPLEQ_ENTRY(rtw_txsoft)	ts_q;
    174 	struct mbuf			*ts_mbuf;
    175 	bus_dmamap_t			ts_dmamap;
    176 	struct ieee80211_node		*ts_ni;	/* destination node */
    177 	u_int				ts_first;	/* 1st hw descriptor */
    178 	u_int				ts_last;	/* last hw descriptor */
    179 	struct ieee80211_duration	ts_d0;
    180 	struct ieee80211_duration	ts_dn;
    181 };
    182 
    183 #define RTW_NTXPRI	4	/* number of Tx priorities */
    184 #define RTW_TXPRILO	0
    185 #define RTW_TXPRIMD	1
    186 #define RTW_TXPRIHI	2
    187 #define RTW_TXPRIBCN	3	/* beacon priority */
    188 
    189 #define RTW_MAXPKTSEGS		64	/* Max 64 segments per Tx packet */
    190 
    191 #define CASSERT(cond, complaint) complaint[(cond) ? 0 : -1] = complaint[(cond) ? 0 : -1]
    192 
    193 /* Note well: the descriptor rings must begin on RTW_DESC_ALIGNMENT
    194  * boundaries.  I allocate them consecutively from one buffer, so
    195  * just round up.
    196  */
    197 #define RTW_TXQLENLO	64	/* low-priority queue length */
    198 #define RTW_TXQLENMD	64	/* medium-priority */
    199 #define RTW_TXQLENHI	64	/* high-priority */
    200 #define RTW_TXQLENBCN	8	/* beacon */
    201 
    202 #define RTW_NTXDESCLO	RTW_TXQLENLO
    203 #define RTW_NTXDESCMD	RTW_TXQLENMD
    204 #define RTW_NTXDESCHI	RTW_TXQLENHI
    205 #define RTW_NTXDESCBCN	RTW_TXQLENBCN
    206 
    207 #define RTW_NTXDESCTOTAL	(RTW_NTXDESCLO + RTW_NTXDESCMD + \
    208 				 RTW_NTXDESCHI + RTW_NTXDESCBCN)
    209 
    210 #define RTW_RXQLEN	64
    211 
    212 struct rtw_rxdesc_blk {
    213 	u_int			rdb_ndesc;
    214 	u_int			rdb_next;
    215 	bus_dma_tag_t		rdb_dmat;
    216 	bus_dmamap_t		rdb_dmamap;
    217 	struct rtw_rxdesc	*rdb_desc;
    218 };
    219 
    220 struct rtw_txdesc_blk {
    221 	u_int			tdb_ndesc;
    222 	u_int			tdb_next;
    223 	u_int			tdb_nfree;
    224 	bus_dma_tag_t		tdb_dmat;
    225 	bus_dmamap_t		tdb_dmamap;
    226 	bus_addr_t		tdb_physbase;
    227 	bus_addr_t		tdb_ofs;
    228 	bus_size_t		tdb_basereg;
    229 	uint32_t		tdb_base;
    230 	struct rtw_txdesc	*tdb_desc;
    231 };
    232 
    233 #define RTW_NEXT_IDX(__htc, __idx)	(((__idx) + 1) % (__htc)->tdb_ndesc)
    234 
    235 #define RTW_NEXT_DESC(__htc, __idx) \
    236     ((__htc)->tdb_physbase + \
    237      sizeof(struct rtw_txdesc) * RTW_NEXT_IDX((__htc), (__idx)))
    238 
    239 SIMPLEQ_HEAD(rtw_txq, rtw_txsoft);
    240 
    241 struct rtw_txsoft_blk {
    242 	/* dirty/free s/w descriptors */
    243 	struct rtw_txq		tsb_dirtyq;
    244 	struct rtw_txq		tsb_freeq;
    245 	u_int			tsb_ndesc;
    246 	int			tsb_tx_timer;
    247 	struct rtw_txsoft	*tsb_desc;
    248 	uint8_t			tsb_poll;
    249 };
    250 
    251 struct rtw_descs {
    252 	struct rtw_txdesc	hd_txlo[RTW_NTXDESCLO];
    253 	struct rtw_txdesc	hd_txmd[RTW_NTXDESCMD];
    254 	struct rtw_txdesc	hd_txhi[RTW_NTXDESCMD];
    255 	struct rtw_rxdesc	hd_rx[RTW_RXQLEN];
    256 	struct rtw_txdesc	hd_bcn[RTW_NTXDESCBCN];
    257 };
    258 #define RTW_DESC_OFFSET(ring, i)	offsetof(struct rtw_descs, ring[i])
    259 #define RTW_RING_OFFSET(ring)		RTW_DESC_OFFSET(ring, 0)
    260 #define RTW_RING_BASE(sc, ring)		((sc)->sc_desc_physaddr + \
    261 					 RTW_RING_OFFSET(ring))
    262 
    263 /* Radio capture format for RTL8180. */
    264 
    265 #define RTW_RX_RADIOTAP_PRESENT					\
    266 	((1 << IEEE80211_RADIOTAP_TSFT)			|	\
    267 	 (1 << IEEE80211_RADIOTAP_FLAGS)		|	\
    268 	 (1 << IEEE80211_RADIOTAP_RATE)			|	\
    269 	 (1 << IEEE80211_RADIOTAP_CHANNEL)		|	\
    270 	 (1 << IEEE80211_RADIOTAP_LOCK_QUALITY)		|	\
    271 	 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)		|	\
    272 	 0)
    273 
    274 #define RTW_PHILIPS_RX_RADIOTAP_PRESENT					\
    275 	((1 << IEEE80211_RADIOTAP_TSFT)			|	\
    276 	 (1 << IEEE80211_RADIOTAP_FLAGS)		|	\
    277 	 (1 << IEEE80211_RADIOTAP_RATE)			|	\
    278 	 (1 << IEEE80211_RADIOTAP_CHANNEL)		|	\
    279 	 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)		|	\
    280 	 0)
    281 
    282 struct rtw_rx_radiotap_header {
    283 	struct ieee80211_radiotap_header	rr_ihdr;
    284 	uint64_t				rr_tsft;
    285 	uint8_t					rr_flags;
    286 	uint8_t					rr_rate;
    287 	uint16_t				rr_chan_freq;
    288 	uint16_t				rr_chan_flags;
    289 	union {
    290 		struct {
    291 			uint16_t		o_barker_lock;
    292 			uint8_t			o_antsignal;
    293 		} u_other;
    294 		struct {
    295 			uint8_t			p_antsignal;
    296 		} u_philips;
    297 	} rr_u;
    298 };
    299 
    300 #define RTW_TX_RADIOTAP_PRESENT				\
    301 	((1 << IEEE80211_RADIOTAP_RATE)		|	\
    302 	 (1 << IEEE80211_RADIOTAP_CHANNEL)	|	\
    303 	 0)
    304 
    305 struct rtw_tx_radiotap_header {
    306 	struct ieee80211_radiotap_header	rt_ihdr;
    307 	uint8_t					rt_rate;
    308 	uint8_t					rt_pad;
    309 	uint16_t				rt_chan_freq;
    310 	uint16_t				rt_chan_flags;
    311 };
    312 
    313 enum rtw_attach_state {FINISHED, FINISH_DESCMAP_LOAD, FINISH_DESCMAP_CREATE,
    314 	FINISH_DESC_MAP, FINISH_DESC_ALLOC, FINISH_RXMAPS_CREATE,
    315 	FINISH_TXMAPS_CREATE, FINISH_RESET, FINISH_READ_SROM, FINISH_PARSE_SROM,
    316 	FINISH_RF_ATTACH, FINISH_ID_STA, FINISH_LED_ATTACH,
    317 	FINISH_TXDESCBLK_SETUP, FINISH_TXCTLBLK_SETUP, DETACHED};
    318 
    319 struct rtw_mtbl {
    320 	int			(*mt_newstate)(struct ieee80211com *,
    321 					enum ieee80211_state, int);
    322 	void			(*mt_recv_mgmt)(struct ieee80211com *,
    323 				    struct mbuf *, struct ieee80211_node *,
    324 				    int, int, uint32_t);
    325 	struct ieee80211_node	*(*mt_node_alloc)(struct ieee80211_node_table*);
    326 	void			(*mt_node_free)(struct ieee80211_node *);
    327 };
    328 
    329 enum rtw_pwrstate { RTW_OFF = 0, RTW_SLEEP, RTW_ON };
    330 
    331 typedef void (*rtw_continuous_tx_cb_t)(void *arg, int);
    332 
    333 struct rtw_phy {
    334 	struct rtw_rf	*p_rf;
    335 	struct rtw_regs	*p_regs;
    336 };
    337 
    338 struct rtw_bbpset {
    339 	u_int	bb_antatten;
    340 	u_int	bb_chestlim;
    341 	u_int	bb_chsqlim;
    342 	u_int	bb_ifagcdet;
    343 	u_int	bb_ifagcini;
    344 	u_int	bb_ifagclimit;
    345 	u_int	bb_lnadet;
    346 	u_int	bb_sys1;
    347 	u_int	bb_sys2;
    348 	u_int	bb_sys3;
    349 	u_int	bb_trl;
    350 	u_int	bb_txagc;
    351 };
    352 
    353 struct rtw_rf {
    354 	void	(*rf_destroy)(struct rtw_rf *);
    355 	/* args: frequency, txpower, power state */
    356 	int	(*rf_init)(struct rtw_rf *, u_int, uint8_t,
    357 	                  enum rtw_pwrstate);
    358 	/* arg: power state */
    359 	int	(*rf_pwrstate)(struct rtw_rf *, enum rtw_pwrstate);
    360 	/* arg: frequency */
    361 	int	(*rf_tune)(struct rtw_rf *, u_int);
    362 	/* arg: txpower */
    363 	int	(*rf_txpower)(struct rtw_rf *, uint8_t);
    364 	rtw_continuous_tx_cb_t	rf_continuous_tx_cb;
    365 	void			*rf_continuous_tx_arg;
    366 	struct rtw_bbpset	rf_bbpset;
    367 };
    368 
    369 static __inline void
    370 rtw_rf_destroy(struct rtw_rf *rf)
    371 {
    372 	(*rf->rf_destroy)(rf);
    373 }
    374 
    375 static __inline int
    376 rtw_rf_init(struct rtw_rf *rf, u_int freq, uint8_t opaque_txpower,
    377     enum rtw_pwrstate power)
    378 {
    379 	return (*rf->rf_init)(rf, freq, opaque_txpower, power);
    380 }
    381 
    382 static __inline int
    383 rtw_rf_pwrstate(struct rtw_rf *rf, enum rtw_pwrstate power)
    384 {
    385 	return (*rf->rf_pwrstate)(rf, power);
    386 }
    387 
    388 static __inline int
    389 rtw_rf_tune(struct rtw_rf *rf, u_int freq)
    390 {
    391 	return (*rf->rf_tune)(rf, freq);
    392 }
    393 
    394 static __inline int
    395 rtw_rf_txpower(struct rtw_rf *rf, uint8_t opaque_txpower)
    396 {
    397 	return (*rf->rf_txpower)(rf, opaque_txpower);
    398 }
    399 
    400 typedef int (*rtw_rf_write_t)(struct rtw_regs *, enum rtw_rfchipid, u_int,
    401     uint32_t);
    402 
    403 struct rtw_rfbus {
    404 	struct rtw_regs		*b_regs;
    405 	rtw_rf_write_t		b_write;
    406 };
    407 
    408 static __inline int
    409 rtw_rfbus_write(struct rtw_rfbus *bus, enum rtw_rfchipid rfchipid, u_int addr,
    410     uint32_t val)
    411 {
    412 	return (*bus->b_write)(bus->b_regs, rfchipid, addr, val);
    413 }
    414 
    415 struct rtw_max2820 {
    416 	struct rtw_rf		mx_rf;
    417 	struct rtw_rfbus	mx_bus;
    418 	int			mx_is_a;	/* 1: MAX2820A/MAX2821A */
    419 };
    420 
    421 struct rtw_grf5101 {
    422 	struct rtw_rf		gr_rf;
    423 	struct rtw_rfbus	gr_bus;
    424 };
    425 
    426 struct rtw_sa2400 {
    427 	struct rtw_rf		sa_rf;
    428 	struct rtw_rfbus	sa_bus;
    429 	int			sa_digphy;	/* 1: digital PHY */
    430 };
    431 
    432 typedef void (*rtw_pwrstate_t)(struct rtw_regs *, enum rtw_pwrstate, int, int);
    433 
    434 union rtw_keys {
    435 	uint8_t		rk_keys[4][16];
    436 	uint32_t	rk_words[16];
    437 };
    438 
    439 #define	RTW_LED_SLOW_TICKS	MAX(1, hz/2)
    440 #define	RTW_LED_FAST_TICKS	MAX(1, hz/10)
    441 
    442 struct rtw_led_state {
    443 #define	RTW_LED0	0x1
    444 #define	RTW_LED1	0x2
    445 	uint8_t		ls_slowblink:2;
    446 	uint8_t		ls_actblink:2;
    447 	uint8_t		ls_default:2;
    448 	uint8_t		ls_state;
    449 	uint8_t		ls_event;
    450 #define	RTW_LED_S_RX	0x1
    451 #define	RTW_LED_S_TX	0x2
    452 #define	RTW_LED_S_SLOW	0x4
    453 	struct callout	ls_slow_ch;
    454 	struct callout	ls_fast_ch;
    455 };
    456 
    457 struct rtw_softc {
    458 	device_t		sc_dev;
    459 	device_suspensor_t	sc_suspensor;
    460 	pmf_qual_t		sc_qual;
    461 
    462 	struct ethercom		sc_ec;
    463 	struct ieee80211com	sc_ic;
    464 	struct rtw_regs		sc_regs;
    465 	bus_dma_tag_t		sc_dmat;
    466 	uint32_t		sc_flags;
    467 	void			*sc_soft_ih;
    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