1/*
2 * Copyright (c) 2010 Broadcom Corporation
3 *
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.
7 *
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 ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#ifndef _BRCM_MAIN_H_
18#define _BRCM_MAIN_H_
19
20#include <linux/etherdevice.h>
21
22#include <brcmu_utils.h>
23#include "types.h"
24#include "d11.h"
25#include "scb.h"
26
27#define	INVCHANNEL		255	/* invalid channel */
28
29/* max # brcms_c_module_register() calls */
30#define BRCMS_MAXMODULES	22
31
32#define SEQNUM_SHIFT		4
33#define SEQNUM_MAX		0x1000
34
35#define NTXRATE			64	/* # tx MPDUs rate is reported for */
36
37/* Maximum wait time for a MAC suspend */
38/* uS: 83mS is max packet time (64KB ampdu @ 6Mbps) */
39#define	BRCMS_MAX_MAC_SUSPEND	83000
40
41/* responses for probe requests older that this are tossed, zero to disable */
42#define BRCMS_PRB_RESP_TIMEOUT	0	/* Disable probe response timeout */
43
44/* transmit buffer max headroom for protocol headers */
45#define TXOFF (D11_TXH_LEN + D11_PHY_HDR_LEN)
46
47/* Macros for doing definition and get/set of bitfields
48 * Usage example, e.g. a three-bit field (bits 4-6):
49 *    #define <NAME>_M	BITFIELD_MASK(3)
50 *    #define <NAME>_S	4
51 * ...
52 *    regval = R_REG(osh, &regs->regfoo);
53 *    field = GFIELD(regval, <NAME>);
54 *    regval = SFIELD(regval, <NAME>, 1);
55 *    W_REG(osh, &regs->regfoo, regval);
56 */
57#define BITFIELD_MASK(width) \
58		(((unsigned)1 << (width)) - 1)
59#define GFIELD(val, field) \
60		(((val) >> field ## _S) & field ## _M)
61#define SFIELD(val, field, bits) \
62		(((val) & (~(field ## _M << field ## _S))) | \
63		 ((unsigned)(bits) << field ## _S))
64
65#define	SW_TIMER_MAC_STAT_UPD		30	/* periodic MAC stats update */
66
67/* max # supported core revisions (0 .. MAXCOREREV - 1) */
68#define	MAXCOREREV		28
69
70/* Double check that unsupported cores are not enabled */
71#if CONF_MSK(D11CONF, 0x4f) || CONF_GE(D11CONF, MAXCOREREV)
72#error "Configuration for D11CONF includes unsupported versions."
73#endif				/* Bad versions */
74
75/* values for shortslot_override */
76#define BRCMS_SHORTSLOT_AUTO	-1 /* Driver will manage Shortslot setting */
77#define BRCMS_SHORTSLOT_OFF	0  /* Turn off short slot */
78#define BRCMS_SHORTSLOT_ON	1  /* Turn on short slot */
79
80/* value for short/long and mixmode/greenfield preamble */
81#define BRCMS_LONG_PREAMBLE	(0)
82#define BRCMS_SHORT_PREAMBLE	(1 << 0)
83#define BRCMS_GF_PREAMBLE		(1 << 1)
84#define BRCMS_MM_PREAMBLE		(1 << 2)
85#define BRCMS_IS_MIMO_PREAMBLE(_pre) (((_pre) == BRCMS_GF_PREAMBLE) || \
86				      ((_pre) == BRCMS_MM_PREAMBLE))
87
88/* TxFrameID */
89/* seq and frag bits: SEQNUM_SHIFT, FRAGNUM_MASK (802.11.h) */
90/* rate epoch bits: TXFID_RATE_SHIFT, TXFID_RATE_MASK ((wlc_rate.c) */
91#define TXFID_QUEUE_MASK	0x0007	/* Bits 0-2 */
92#define TXFID_SEQ_MASK		0x7FE0	/* Bits 5-15 */
93#define TXFID_SEQ_SHIFT		5	/* Number of bit shifts */
94#define	TXFID_RATE_PROBE_MASK	0x8000	/* Bit 15 for rate probe */
95#define TXFID_RATE_MASK		0x0018	/* Mask for bits 3 and 4 */
96#define TXFID_RATE_SHIFT	3	/* Shift 3 bits for rate mask */
97
98/* promote boardrev */
99#define BOARDREV_PROMOTABLE	0xFF	/* from */
100#define BOARDREV_PROMOTED	1	/* to */
101
102#define DATA_BLOCK_TX_SUPR	(1 << 4)
103
104/* Ucode MCTL_WAKE override bits */
105#define BRCMS_WAKE_OVERRIDE_CLKCTL	0x01
106#define BRCMS_WAKE_OVERRIDE_PHYREG	0x02
107#define BRCMS_WAKE_OVERRIDE_MACSUSPEND	0x04
108#define BRCMS_WAKE_OVERRIDE_TXFIFO	0x08
109#define BRCMS_WAKE_OVERRIDE_FORCEFAST	0x10
110
111/* stuff pulled in from wlc.c */
112
113/* Interrupt bit error summary.  Don't include I_RU: we refill DMA at other
114 * times; and if we run out, constant I_RU interrupts may cause lockup.  We
115 * will still get error counts from rx0ovfl.
116 */
117#define	I_ERRORS	(I_PC | I_PD | I_DE | I_RO | I_XU)
118/* default software intmasks */
119#define	DEF_RXINTMASK	(I_RI)	/* enable rx int on rxfifo only */
120#define	DEF_MACINTMASK	(MI_TXSTOP | MI_TBTT | MI_ATIMWINEND | MI_PMQ | \
121			 MI_PHYTXERR | MI_DMAINT | MI_TFS | MI_BG_NOISE | \
122			 MI_CCA | MI_TO | MI_GP0 | MI_RFDISABLE | MI_PWRUP)
123
124#define	MAXTXPKTS		6	/* max # pkts pending */
125
126/* frameburst */
127#define	MAXTXFRAMEBURST		8 /* vanilla xpress mode: max frames/burst */
128#define	MAXFRAMEBURST_TXOP	10000	/* Frameburst TXOP in usec */
129
130#define	NFIFO			6	/* # tx/rx fifopairs */
131
132/* PLL requests */
133
134/* pll is shared on old chips */
135#define BRCMS_PLLREQ_SHARED	0x1
136/* hold pll for radio monitor register checking */
137#define BRCMS_PLLREQ_RADIO_MON	0x2
138/* hold/release pll for some short operation */
139#define BRCMS_PLLREQ_FLIP		0x4
140
141#define	CHANNEL_BANDUNIT(wlc, ch) \
142	(((ch) <= CH_MAX_2G_CHANNEL) ? BAND_2G_INDEX : BAND_5G_INDEX)
143
144#define	OTHERBANDUNIT(wlc) \
145	((uint)((wlc)->band->bandunit ? BAND_2G_INDEX : BAND_5G_INDEX))
146
147/*
148 * 802.11 protection information
149 *
150 * _g: use g spec protection, driver internal.
151 * g_override: override for use of g spec protection.
152 * gmode_user: user config gmode, operating band->gmode is different.
153 * overlap: Overlap BSS/IBSS protection for both 11g and 11n.
154 * nmode_user: user config nmode, operating pub->nmode is different.
155 * n_cfg: use OFDM protection on MIMO frames.
156 * n_cfg_override: override for use of N protection.
157 * nongf: non-GF present protection.
158 * nongf_override: override for use of GF protection.
159 * n_pam_override: override for preamble: MM or GF.
160 * n_obss: indicated OBSS Non-HT STA present.
161*/
162struct brcms_protection {
163	bool _g;
164	s8 g_override;
165	u8 gmode_user;
166	s8 overlap;
167	s8 nmode_user;
168	s8 n_cfg;
169	s8 n_cfg_override;
170	bool nongf;
171	s8 nongf_override;
172	s8 n_pam_override;
173	bool n_obss;
174};
175
176/*
177 * anything affecting the single/dual streams/antenna operation
178 *
179 * hw_txchain: HW txchain bitmap cfg.
180 * txchain: txchain bitmap being used.
181 * txstreams: number of txchains being used.
182 * hw_rxchain: HW rxchain bitmap cfg.
183 * rxchain: rxchain bitmap being used.
184 * rxstreams: number of rxchains being used.
185 * ant_rx_ovr: rx antenna override.
186 * txant: userTx antenna setting.
187 * phytxant: phyTx antenna setting in txheader.
188 * ss_opmode: singlestream Operational mode, 0:siso; 1:cdd.
189 * ss_algosel_auto: if true, use wlc->stf->ss_algo_channel;
190 *			else use wlc->band->stf->ss_mode_band.
191 * ss_algo_channel: ss based on per-channel algo: 0: SISO, 1: CDD 2: STBC.
192 * rxchain_restore_delay: delay time to restore default rxchain.
193 * ldpc: AUTO/ON/OFF ldpc cap supported.
194 * txcore[MAX_STREAMS_SUPPORTED + 1]: bitmap of selected core for each Nsts.
195 * spatial_policy:
196 */
197struct brcms_stf {
198	u8 hw_txchain;
199	u8 txchain;
200	u8 txstreams;
201	u8 hw_rxchain;
202	u8 rxchain;
203	u8 rxstreams;
204	u8 ant_rx_ovr;
205	s8 txant;
206	u16 phytxant;
207	u8 ss_opmode;
208	bool ss_algosel_auto;
209	u16 ss_algo_channel;
210	u8 rxchain_restore_delay;
211	s8 ldpc;
212	u8 txcore[MAX_STREAMS_SUPPORTED + 1];
213	s8 spatial_policy;
214};
215
216#define BRCMS_STF_SS_STBC_TX(wlc, scb) \
217	(((wlc)->stf->txstreams > 1) && (((wlc)->band->band_stf_stbc_tx == ON) \
218	 || (((scb)->flags & SCB_STBCCAP) && \
219	     (wlc)->band->band_stf_stbc_tx == AUTO && \
220	     isset(&((wlc)->stf->ss_algo_channel), PHY_TXC1_MODE_STBC))))
221
222#define BRCMS_STBC_CAP_PHY(wlc) (BRCMS_ISNPHY(wlc->band) && \
223				 NREV_GE(wlc->band->phyrev, 3))
224
225#define BRCMS_SGI_CAP_PHY(wlc) ((BRCMS_ISNPHY(wlc->band) && \
226				 NREV_GE(wlc->band->phyrev, 3)) || \
227				BRCMS_ISLCNPHY(wlc->band))
228
229#define BRCMS_CHAN_PHYTYPE(x)     (((x) & RXS_CHAN_PHYTYPE_MASK) \
230				   >> RXS_CHAN_PHYTYPE_SHIFT)
231#define BRCMS_CHAN_CHANNEL(x)     (((x) & RXS_CHAN_ID_MASK) \
232				   >> RXS_CHAN_ID_SHIFT)
233
234/*
235 * core state (mac)
236 */
237struct brcms_core {
238	uint coreidx;		/* # sb enumerated core */
239
240	/* fifo */
241	uint *txavail[NFIFO];	/* # tx descriptors available */
242
243	struct macstat *macstat_snapshot;	/* mac hw prev read values */
244};
245
246/*
247 * band state (phy+ana+radio)
248 */
249struct brcms_band {
250	int bandtype;		/* BRCM_BAND_2G, BRCM_BAND_5G */
251	uint bandunit;		/* bandstate[] index */
252
253	u16 phytype;		/* phytype */
254	u16 phyrev;
255	u16 radioid;
256	u16 radiorev;
257	struct brcms_phy_pub *pi; /* pointer to phy specific information */
258	bool abgphy_encore;
259
260	u8 gmode;		/* currently active gmode */
261
262	struct scb *hwrs_scb;	/* permanent scb for hw rateset */
263
264	/* band-specific copy of default_bss.rateset */
265	struct brcms_c_rateset defrateset;
266
267	u8 band_stf_ss_mode;	/* Configured STF type, 0:siso; 1:cdd */
268	s8 band_stf_stbc_tx;	/* STBC TX 0:off; 1:force on; -1:auto */
269	/* rates supported by chip (phy-specific) */
270	struct brcms_c_rateset hw_rateset;
271	u8 basic_rate[BRCM_MAXRATE + 1]; /* basic rates indexed by rate */
272	bool mimo_cap_40;	/* 40 MHz cap enabled on this band */
273	s8 antgain;		/* antenna gain from srom */
274
275	u16 CWmin; /* minimum size of contention window, in unit of aSlotTime */
276	u16 CWmax; /* maximum size of contention window, in unit of aSlotTime */
277	struct ieee80211_supported_band band;
278};
279
280/* module control blocks */
281struct modulecb {
282	/* module name : NULL indicates empty array member */
283	char name[32];
284	/* handle passed when handler 'doiovar' is called */
285	struct brcms_info *hdl;
286
287	int (*down_fn)(void *handle); /* down handler. Note: the int returned
288				       * by the down function is a count of the
289				       * number of timers that could not be
290				       * freed.
291				       */
292
293};
294
295struct brcms_hw_band {
296	int bandtype;		/* BRCM_BAND_2G, BRCM_BAND_5G */
297	uint bandunit;		/* bandstate[] index */
298	u16 mhfs[MHFMAX];	/* MHF array shadow */
299	u8 bandhw_stf_ss_mode;	/* HW configured STF type, 0:siso; 1:cdd */
300	u16 CWmin;
301	u16 CWmax;
302	u32 core_flags;
303
304	u16 phytype;		/* phytype */
305	u16 phyrev;
306	u16 radioid;
307	u16 radiorev;
308	struct brcms_phy_pub *pi; /* pointer to phy specific information */
309	bool abgphy_encore;
310};
311
312struct brcms_hardware {
313	bool _piomode;		/* true if pio mode */
314	struct brcms_c_info *wlc;
315
316	/* fifo */
317	struct dma_pub *di[NFIFO];	/* dma handles, per fifo */
318
319	uint unit;		/* device instance number */
320
321	/* version info */
322	u16 vendorid;	/* PCI vendor id */
323	u16 deviceid;	/* PCI device id */
324	uint corerev;		/* core revision */
325	u8 sromrev;		/* version # of the srom */
326	u16 boardrev;	/* version # of particular board */
327	u32 boardflags;	/* Board specific flags from srom */
328	u32 boardflags2;	/* More board flags if sromrev >= 4 */
329	u32 machwcap;	/* MAC capabilities */
330	u32 machwcap_backup;	/* backup of machwcap */
331
332	struct si_pub *sih;	/* SI handle (cookie for siutils calls) */
333	struct bcma_device *d11core;	/* pointer to 802.11 core */
334	struct phy_shim_info *physhim; /* phy shim layer handler */
335	struct shared_phy *phy_sh;	/* pointer to shared phy state */
336	struct brcms_hw_band *band;/* pointer to active per-band state */
337	/* band state per phy/radio */
338	struct brcms_hw_band *bandstate[MAXBANDS];
339	u16 bmac_phytxant;	/* cache of high phytxant state */
340	bool shortslot;		/* currently using 11g ShortSlot timing */
341	u16 SRL;		/* 802.11 dot11ShortRetryLimit */
342	u16 LRL;		/* 802.11 dot11LongRetryLimit */
343	u16 SFBL;		/* Short Frame Rate Fallback Limit */
344	u16 LFBL;		/* Long Frame Rate Fallback Limit */
345
346	bool up;		/* d11 hardware up and running */
347	uint now;		/* # elapsed seconds */
348	uint _nbands;		/* # bands supported */
349	u16 chanspec;	/* bmac chanspec shadow */
350
351	uint *txavail[NFIFO];	/* # tx descriptors available */
352	const u16 *xmtfifo_sz;	/* fifo size in 256B for each xmt fifo */
353
354	u32 pllreq;		/* pll requests to keep PLL on */
355
356	u8 suspended_fifos;	/* Which TX fifo to remain awake for */
357	u32 maccontrol;	/* Cached value of maccontrol */
358	uint mac_suspend_depth;	/* current depth of mac_suspend levels */
359	u32 wake_override;	/* bit flags to force MAC to WAKE mode */
360	u32 mute_override;	/* Prevent ucode from sending beacons */
361	u8 etheraddr[ETH_ALEN];	/* currently configured ethernet address */
362	bool noreset;		/* true= do not reset hw, used by WLC_OUT */
363	bool forcefastclk;	/* true if h/w is forcing to use fast clk */
364	bool clk;		/* core is out of reset and has clock */
365	bool sbclk;		/* sb has clock */
366	bool phyclk;		/* phy is out of reset and has clock */
367
368	bool ucode_loaded;	/* true after ucode downloaded */
369
370
371	u8 hw_stf_ss_opmode;	/* STF single stream operation mode */
372	u8 antsel_type;	/* Type of boardlevel mimo antenna switch-logic
373				 * 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
374				 */
375	u32 antsel_avail;	/*
376				 * put struct antsel_info here if more info is
377				 * needed
378				 */
379};
380
381/*
382 * Principal common driver data structure.
383 *
384 * pub: pointer to driver public state.
385 * wl: pointer to specific private state.
386 * hw: HW related state.
387 * clkreq_override: setting for clkreq for PCIE : Auto, 0, 1.
388 * fastpwrup_dly: time in us needed to bring up d11 fast clock.
389 * macintstatus: bit channel between isr and dpc.
390 * macintmask: sw runtime master macintmask value.
391 * defmacintmask: default "on" macintmask value.
392 * clk: core is out of reset and has clock.
393 * core: pointer to active io core.
394 * band: pointer to active per-band state.
395 * corestate: per-core state (one per hw core).
396 * bandstate: per-band state (one per phy/radio).
397 * qvalid: DirFrmQValid and BcMcFrmQValid.
398 * ampdu: ampdu module handler.
399 * asi: antsel module handler.
400 * cmi: channel manager module handler.
401 * vendorid: PCI vendor id.
402 * deviceid: PCI device id.
403 * ucode_rev: microcode revision.
404 * machwcap: MAC capabilities, BMAC shadow.
405 * perm_etheraddr: original sprom local ethernet address.
406 * bandlocked: disable auto multi-band switching.
407 * bandinit_pending: track band init in auto band.
408 * radio_monitor: radio timer is running.
409 * going_down: down path intermediate variable.
410 * wdtimer: timer for watchdog routine.
411 * radio_timer: timer for hw radio button monitor routine.
412 * monitor: monitor (MPDU sniffing) mode.
413 * bcnmisc_monitor: bcns promisc mode override for monitor.
414 * _rifs: enable per-packet rifs.
415 * bcn_li_bcn: beacon listen interval in # beacons.
416 * bcn_li_dtim: beacon listen interval in # dtims.
417 * WDarmed: watchdog timer is armed.
418 * WDlast: last time wlc_watchdog() was called.
419 * edcf_txop[IEEE80211_NUM_ACS]: current txop for each ac.
420 * wme_retries: per-AC retry limits.
421 * bsscfg: set of BSS configurations, idx 0 is default and always valid.
422 * cfg: the primary bsscfg (can be AP or STA).
423 * modulecb:
424 * mimoft: SIGN or 11N.
425 * cck_40txbw: 11N, cck tx b/w override when in 40MHZ mode.
426 * ofdm_40txbw: 11N, ofdm tx b/w override when in 40MHZ mode.
427 * mimo_40txbw: 11N, mimo tx b/w override when in 40MHZ mode.
428 * default_bss: configured BSS parameters.
429 * mc_fid_counter: BC/MC FIFO frame ID counter.
430 * country_default: saved country for leaving 802.11d auto-country mode.
431 * autocountry_default: initial country for 802.11d auto-country mode.
432 * prb_resp_timeout: do not send prb resp if request older
433 *		     than this, 0 = disable.
434 * home_chanspec: shared home chanspec.
435 * chanspec: target operational channel.
436 * usr_fragthresh: user configured fragmentation threshold.
437 * fragthresh[NFIFO]: per-fifo fragmentation thresholds.
438 * RTSThresh: 802.11 dot11RTSThreshold.
439 * SRL: 802.11 dot11ShortRetryLimit.
440 * LRL: 802.11 dot11LongRetryLimit.
441 * SFBL: Short Frame Rate Fallback Limit.
442 * LFBL: Long Frame Rate Fallback Limit.
443 * shortslot: currently using 11g ShortSlot timing.
444 * shortslot_override: 11g ShortSlot override.
445 * include_legacy_erp: include Legacy ERP info elt ID 47 as well as g ID 42.
446 * PLCPHdr_override: 802.11b Preamble Type override.
447 * stf:
448 * bcn_rspec: save bcn ratespec purpose.
449 * tempsense_lasttime;
450 * tx_duty_cycle_ofdm: maximum allowed duty cycle for OFDM.
451 * tx_duty_cycle_cck: maximum allowed duty cycle for CCK.
452 * wiphy:
453 * pri_scb: primary Station Control Block
454 */
455struct brcms_c_info {
456	struct brcms_pub *pub;
457	struct brcms_info *wl;
458	struct brcms_hardware *hw;
459
460	/* clock */
461	u16 fastpwrup_dly;
462
463	/* interrupt */
464	u32 macintstatus;
465	u32 macintmask;
466	u32 defmacintmask;
467
468	bool clk;
469
470	/* multiband */
471	struct brcms_core *core;
472	struct brcms_band *band;
473	struct brcms_core *corestate;
474	struct brcms_band *bandstate[MAXBANDS];
475
476	/* packet queue */
477	uint qvalid;
478
479	struct ampdu_info *ampdu;
480	struct antsel_info *asi;
481	struct brcms_cm_info *cmi;
482
483	u16 vendorid;
484	u16 deviceid;
485	uint ucode_rev;
486
487	u8 perm_etheraddr[ETH_ALEN];
488
489	bool bandlocked;
490	bool bandinit_pending;
491
492	bool radio_monitor;
493	bool going_down;
494
495	bool beacon_template_virgin;
496
497	struct brcms_timer *wdtimer;
498	struct brcms_timer *radio_timer;
499
500	/* promiscuous */
501	uint filter_flags;
502
503	/* driver feature */
504	bool _rifs;
505
506	/* AP-STA synchronization, power save */
507	u8 bcn_li_bcn;
508	u8 bcn_li_dtim;
509
510	bool WDarmed;
511	u32 WDlast;
512
513	/* WME */
514	u16 edcf_txop[IEEE80211_NUM_ACS];
515
516	u16 wme_retries[IEEE80211_NUM_ACS];
517
518	struct brcms_bss_cfg *bsscfg;
519
520	struct modulecb *modulecb;
521
522	u8 mimoft;
523	s8 cck_40txbw;
524	s8 ofdm_40txbw;
525	s8 mimo_40txbw;
526
527	struct brcms_bss_info *default_bss;
528
529	u16 mc_fid_counter;
530
531	char country_default[BRCM_CNTRY_BUF_SZ];
532	char autocountry_default[BRCM_CNTRY_BUF_SZ];
533	u16 prb_resp_timeout;
534
535	u16 home_chanspec;
536
537	/* PHY parameters */
538	u16 chanspec;
539	u16 usr_fragthresh;
540	u16 fragthresh[NFIFO];
541	u16 RTSThresh;
542	u16 SRL;
543	u16 LRL;
544	u16 SFBL;
545	u16 LFBL;
546
547	/* network config */
548	bool shortslot;
549	s8 shortslot_override;
550	bool include_legacy_erp;
551
552	struct brcms_protection *protection;
553	s8 PLCPHdr_override;
554
555	struct brcms_stf *stf;
556
557	u32 bcn_rspec;
558
559	uint tempsense_lasttime;
560
561	u16 tx_duty_cycle_ofdm;
562	u16 tx_duty_cycle_cck;
563
564	struct wiphy *wiphy;
565	struct scb pri_scb;
566	struct ieee80211_vif *vif;
567
568	struct sk_buff *beacon;
569	u16 beacon_tim_offset;
570	u16 beacon_dtim_period;
571	struct sk_buff *probe_resp;
572};
573
574/* antsel module specific state */
575struct antsel_info {
576	struct brcms_c_info *wlc;	/* pointer to main wlc structure */
577	struct brcms_pub *pub;		/* pointer to public fn */
578	u8 antsel_type;	/* Type of boardlevel mimo antenna switch-logic
579				 * 0 = N/A, 1 = 2x4 board, 2 = 2x3 CB2 board
580				 */
581	u8 antsel_antswitch;	/* board level antenna switch type */
582	bool antsel_avail;	/* Ant selection availability (SROM based) */
583	struct brcms_antselcfg antcfg_11n; /* antenna configuration */
584	struct brcms_antselcfg antcfg_cur; /* current antenna config (auto) */
585};
586
587enum brcms_bss_type {
588	BRCMS_TYPE_STATION,
589	BRCMS_TYPE_AP,
590	BRCMS_TYPE_ADHOC,
591};
592
593/*
594 * BSS configuration state
595 *
596 * wlc: wlc to which this bsscfg belongs to.
597 * type: interface type
598 * SSID_len: the length of SSID
599 * SSID: SSID string
600 *
601 *
602 * BSSID: BSSID (associated)
603 * cur_etheraddr: h/w address
604 * flags: BSSCFG flags; see below
605 *
606 * current_bss: BSS parms in ASSOCIATED state
607 *
608 *
609 * ID: 'unique' ID of this bsscfg, assigned at bsscfg allocation
610 */
611struct brcms_bss_cfg {
612	struct brcms_c_info *wlc;
613	enum brcms_bss_type type;
614	u8 SSID_len;
615	u8 SSID[IEEE80211_MAX_SSID_LEN];
616	u8 BSSID[ETH_ALEN];
617	struct brcms_bss_info *current_bss;
618};
619
620int brcms_c_txfifo(struct brcms_c_info *wlc, uint fifo, struct sk_buff *p);
621int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo,
622			   uint *blocks);
623
624int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config);
625void brcms_c_mac_promisc(struct brcms_c_info *wlc, uint filter_flags);
626u16 brcms_c_calc_lsig_len(struct brcms_c_info *wlc, u32 ratespec, uint mac_len);
627u32 brcms_c_rspec_to_rts_rspec(struct brcms_c_info *wlc, u32 rspec,
628			       bool use_rspec, u16 mimo_ctlchbw);
629u16 brcms_c_compute_rtscts_dur(struct brcms_c_info *wlc, bool cts_only,
630			       u32 rts_rate, u32 frame_rate,
631			       u8 rts_preamble_type, u8 frame_preamble_type,
632			       uint frame_len, bool ba);
633void brcms_c_inval_dma_pkts(struct brcms_hardware *hw,
634			    struct ieee80211_sta *sta, void (*dma_callback_fn));
635void brcms_c_update_probe_resp(struct brcms_c_info *wlc, bool suspend);
636int brcms_c_set_nmode(struct brcms_c_info *wlc);
637void brcms_c_beacon_phytxctl_txant_upd(struct brcms_c_info *wlc, u32 bcn_rate);
638void brcms_b_antsel_type_set(struct brcms_hardware *wlc_hw, u8 antsel_type);
639void brcms_b_set_chanspec(struct brcms_hardware *wlc_hw, u16 chanspec,
640			  bool mute, struct txpwr_limits *txpwr);
641void brcms_b_write_shm(struct brcms_hardware *wlc_hw, uint offset, u16 v);
642u16 brcms_b_read_shm(struct brcms_hardware *wlc_hw, uint offset);
643void brcms_b_mhf(struct brcms_hardware *wlc_hw, u8 idx, u16 mask, u16 val,
644		 int bands);
645void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags);
646void brcms_b_mctrl(struct brcms_hardware *wlc_hw, u32 mask, u32 val);
647void brcms_b_phy_reset(struct brcms_hardware *wlc_hw);
648void brcms_b_bw_set(struct brcms_hardware *wlc_hw, u16 bw);
649void brcms_b_core_phypll_reset(struct brcms_hardware *wlc_hw);
650void brcms_c_ucode_wake_override_set(struct brcms_hardware *wlc_hw,
651				     u32 override_bit);
652void brcms_c_ucode_wake_override_clear(struct brcms_hardware *wlc_hw,
653				       u32 override_bit);
654void brcms_b_write_template_ram(struct brcms_hardware *wlc_hw, int offset,
655				int len, void *buf);
656u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate);
657void brcms_b_copyto_objmem(struct brcms_hardware *wlc_hw, uint offset,
658			   const void *buf, int len, u32 sel);
659void brcms_b_copyfrom_objmem(struct brcms_hardware *wlc_hw, uint offset,
660			     void *buf, int len, u32 sel);
661void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode);
662u16 brcms_b_get_txant(struct brcms_hardware *wlc_hw);
663void brcms_b_phyclk_fgc(struct brcms_hardware *wlc_hw, bool clk);
664void brcms_b_macphyclk_set(struct brcms_hardware *wlc_hw, bool clk);
665void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on);
666void brcms_b_txant_set(struct brcms_hardware *wlc_hw, u16 phytxant);
667void brcms_b_band_stf_ss_set(struct brcms_hardware *wlc_hw, u8 stf_mode);
668void brcms_c_init_scb(struct scb *scb);
669
670#endif				/* _BRCM_MAIN_H_ */
671