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18#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19
20#include <linux/pci_ids.h>
21#include <linux/if_ether.h>
22#include <net/cfg80211.h>
23#include <net/mac80211.h>
24#include <brcm_hw_ids.h>
25#include <aiutils.h>
26#include <chipcommon.h>
27#include "rate.h"
28#include "scb.h"
29#include "phy/phy_hal.h"
30#include "channel.h"
31#include "antsel.h"
32#include "stf.h"
33#include "ampdu.h"
34#include "mac80211_if.h"
35#include "ucode_loader.h"
36#include "main.h"
37#include "soc.h"
38#include "dma.h"
39#include "debug.h"
40#include "brcms_trace_events.h"
41
42
43#define TIMER_INTERVAL_WATCHDOG 1000
44
45#define TIMER_INTERVAL_RADIOCHK 800
46
47
48#define BEACON_INTERVAL_DEFAULT 100
49
50
51
52
53
54
55#define WL_11N_2x2 1
56#define WL_11N_3x3 3
57#define WL_11N_4x4 4
58
59#define EDCF_ACI_MASK 0x60
60#define EDCF_ACI_SHIFT 5
61#define EDCF_ECWMIN_MASK 0x0f
62#define EDCF_ECWMAX_SHIFT 4
63#define EDCF_AIFSN_MASK 0x0f
64#define EDCF_AIFSN_MAX 15
65#define EDCF_ECWMAX_MASK 0xf0
66
67#define EDCF_AC_BE_TXOP_STA 0x0000
68#define EDCF_AC_BK_TXOP_STA 0x0000
69#define EDCF_AC_VO_ACI_STA 0x62
70#define EDCF_AC_VO_ECW_STA 0x32
71#define EDCF_AC_VI_ACI_STA 0x42
72#define EDCF_AC_VI_ECW_STA 0x43
73#define EDCF_AC_BK_ECW_STA 0xA4
74#define EDCF_AC_VI_TXOP_STA 0x005e
75#define EDCF_AC_VO_TXOP_STA 0x002f
76#define EDCF_AC_BE_ACI_STA 0x03
77#define EDCF_AC_BE_ECW_STA 0xA4
78#define EDCF_AC_BK_ACI_STA 0x27
79#define EDCF_AC_VO_TXOP_AP 0x002f
80
81#define EDCF_TXOP2USEC(txop) ((txop) << 5)
82#define EDCF_ECW2CW(exp) ((1 << (exp)) - 1)
83
84#define APHY_SYMBOL_TIME 4
85#define APHY_PREAMBLE_TIME 16
86#define APHY_SIGNAL_TIME 4
87#define APHY_SIFS_TIME 16
88#define APHY_SERVICE_NBITS 16
89#define APHY_TAIL_NBITS 6
90#define BPHY_SIFS_TIME 10
91#define BPHY_PLCP_SHORT_TIME 96
92
93#define PREN_PREAMBLE 24
94#define PREN_MM_EXT 12
95#define PREN_PREAMBLE_EXT 4
96
97#define DOT11_MAC_HDR_LEN 24
98#define DOT11_ACK_LEN 10
99#define DOT11_BA_LEN 4
100#define DOT11_OFDM_SIGNAL_EXTENSION 6
101#define DOT11_MIN_FRAG_LEN 256
102#define DOT11_RTS_LEN 16
103#define DOT11_CTS_LEN 10
104#define DOT11_BA_BITMAP_LEN 128
105#define DOT11_MAXNUMFRAGS 16
106#define DOT11_MAX_FRAG_LEN 2346
107
108#define BPHY_PLCP_TIME 192
109#define RIFS_11N_TIME 2
110
111
112#define BCN_TMPL_LEN 512
113
114
115#define BRCMS_BSS_HT 0x0020
116
117
118#define BRCMS_HWRXOFF 38
119
120
121#define RFDISABLE_DEFAULT 10000000
122
123#define BRCMS_TEMPSENSE_PERIOD 10
124
125
126#define SYNTHPU_DLY_APHY_US 3700
127#define SYNTHPU_DLY_BPHY_US 1050
128#define SYNTHPU_DLY_NPHY_US 2048
129#define SYNTHPU_DLY_LPPHY_US 300
130
131#define ANTCNT 10
132
133
134#define EDCF_SHORT_S 0
135#define EDCF_SFB_S 4
136#define EDCF_LONG_S 8
137#define EDCF_LFB_S 12
138#define EDCF_SHORT_M BITFIELD_MASK(4)
139#define EDCF_SFB_M BITFIELD_MASK(4)
140#define EDCF_LONG_M BITFIELD_MASK(4)
141#define EDCF_LFB_M BITFIELD_MASK(4)
142
143#define RETRY_SHORT_DEF 7
144#define RETRY_SHORT_MAX 255
145#define RETRY_LONG_DEF 4
146#define RETRY_SHORT_FB 3
147#define RETRY_LONG_FB 2
148
149#define APHY_CWMIN 15
150#define PHY_CWMAX 1023
151
152#define EDCF_AIFSN_MIN 1
153
154#define FRAGNUM_MASK 0xF
155
156#define APHY_SLOT_TIME 9
157#define BPHY_SLOT_TIME 20
158
159#define WL_SPURAVOID_OFF 0
160#define WL_SPURAVOID_ON1 1
161#define WL_SPURAVOID_ON2 2
162
163
164#define BRCMS_USE_COREFLAGS 0xffffffff
165
166
167#define BRCMS_PLCP_AUTO -1
168#define BRCMS_PLCP_SHORT 0
169#define BRCMS_PLCP_LONG 1
170
171
172#define BRCMS_PROTECTION_AUTO -1
173#define BRCMS_PROTECTION_OFF 0
174#define BRCMS_PROTECTION_ON 1
175#define BRCMS_PROTECTION_MMHDR_ONLY 2
176#define BRCMS_PROTECTION_CTS_ONLY 3
177
178
179#define BRCMS_PROTECTION_CTL_OFF 0
180#define BRCMS_PROTECTION_CTL_LOCAL 1
181#define BRCMS_PROTECTION_CTL_OVERLAP 2
182
183
184#define BRCMS_N_PROTECTION_OFF 0
185#define BRCMS_N_PROTECTION_OPTIONAL 1
186#define BRCMS_N_PROTECTION_20IN40 2
187#define BRCMS_N_PROTECTION_MIXEDMODE 3
188
189
190#define BRCMS_N_BW_20ALL 0
191#define BRCMS_N_BW_40ALL 1
192#define BRCMS_N_BW_20IN2G_40IN5G 2
193
194
195#define BRCMS_N_SGI_20 0x01
196#define BRCMS_N_SGI_40 0x02
197
198
199
200#define NRATE_MCS_INUSE 0x00000080
201
202#define NRATE_RATE_MASK 0x0000007f
203
204#define NRATE_STF_MASK 0x0000ff00
205
206#define NRATE_STF_SHIFT 8
207
208#define NRATE_OVERRIDE_MCS_ONLY 0x40000000
209#define NRATE_SGI_MASK 0x00800000
210#define NRATE_SGI_SHIFT 23
211#define NRATE_LDPC_CODING 0x00400000
212#define NRATE_LDPC_SHIFT 22
213
214#define NRATE_STF_SISO 0
215#define NRATE_STF_CDD 1
216#define NRATE_STF_STBC 2
217#define NRATE_STF_SDM 3
218
219#define MAX_DMA_SEGS 4
220
221
222#define NTXD 64
223
224#define NRXD 256
225
226
227#define TX_HEADROOM 4
228
229
230#define NRXBUFPOST 32
231
232
233#define RXBND 8
234
235#define TXSBND 8
236
237
238struct brcms_c_bit_desc {
239 u32 bit;
240 const char *name;
241};
242
243
244
245
246
247
248
249
250
251
252
253#define XMTFIFOTBL_STARTREV 17
254
255struct d11init {
256 __le16 addr;
257 __le16 size;
258 __le32 value;
259};
260
261struct edcf_acparam {
262 u8 ACI;
263 u8 ECW;
264 u16 TXOP;
265} __packed;
266
267
268uint brcm_msg_level;
269
270
271static const u8 wme_fifo2ac[] = {
272 IEEE80211_AC_BK,
273 IEEE80211_AC_BE,
274 IEEE80211_AC_VI,
275 IEEE80211_AC_VO,
276 IEEE80211_AC_BE,
277 IEEE80211_AC_BE
278};
279
280
281static const u8 wme_ac2fifo[] = {
282 TX_AC_VO_FIFO,
283 TX_AC_VI_FIFO,
284 TX_AC_BE_FIFO,
285 TX_AC_BK_FIFO
286};
287
288static const u16 xmtfifo_sz[][NFIFO] = {
289
290 {20, 192, 192, 21, 17, 5},
291
292 {0, 0, 0, 0, 0, 0},
293
294 {0, 0, 0, 0, 0, 0},
295
296 {20, 192, 192, 21, 17, 5},
297
298 {9, 58, 22, 14, 14, 5},
299
300 {20, 192, 192, 21, 17, 5},
301
302 {20, 192, 192, 21, 17, 5},
303
304 {9, 58, 22, 14, 14, 5},
305
306 {0, 0, 0, 0, 0, 0},
307
308 {0, 0, 0, 0, 0, 0},
309
310 {0, 0, 0, 0, 0, 0},
311
312 {9, 58, 22, 14, 14, 5},
313};
314
315#ifdef DEBUG
316static const char * const fifo_names[] = {
317 "AC_BK", "AC_BE", "AC_VI", "AC_VO", "BCMC", "ATIM" };
318#else
319static const char fifo_names[6][1];
320#endif
321
322#ifdef DEBUG
323
324static struct brcms_c_info *wlc_info_dbg = (struct brcms_c_info *) (NULL);
325#endif
326
327
328static const u8 ac_to_fifo_mapping[IEEE80211_NUM_ACS] = {
329 [IEEE80211_AC_VO] = TX_AC_VO_FIFO,
330 [IEEE80211_AC_VI] = TX_AC_VI_FIFO,
331 [IEEE80211_AC_BE] = TX_AC_BE_FIFO,
332 [IEEE80211_AC_BK] = TX_AC_BK_FIFO,
333};
334
335
336static const u8 fifo_to_ac_mapping[IEEE80211_NUM_ACS] = {
337 [TX_AC_BK_FIFO] = IEEE80211_AC_BK,
338 [TX_AC_BE_FIFO] = IEEE80211_AC_BE,
339 [TX_AC_VI_FIFO] = IEEE80211_AC_VI,
340 [TX_AC_VO_FIFO] = IEEE80211_AC_VO,
341};
342
343static u8 brcms_ac_to_fifo(u8 ac)
344{
345 if (ac >= ARRAY_SIZE(ac_to_fifo_mapping))
346 return TX_AC_BE_FIFO;
347 return ac_to_fifo_mapping[ac];
348}
349
350static u8 brcms_fifo_to_ac(u8 fifo)
351{
352 if (fifo >= ARRAY_SIZE(fifo_to_ac_mapping))
353 return IEEE80211_AC_BE;
354 return fifo_to_ac_mapping[fifo];
355}
356
357
358static u8 brcms_basic_rate(struct brcms_c_info *wlc, u32 rspec)
359{
360 if (is_mcs_rate(rspec))
361 return wlc->band->basic_rate[mcs_table[rspec & RSPEC_RATE_MASK]
362 .leg_ofdm];
363 return wlc->band->basic_rate[rspec & RSPEC_RATE_MASK];
364}
365
366static u16 frametype(u32 rspec, u8 mimoframe)
367{
368 if (is_mcs_rate(rspec))
369 return mimoframe;
370 return is_cck_rate(rspec) ? FT_CCK : FT_OFDM;
371}
372
373
374static u16 get_sifs(struct brcms_band *band)
375{
376 return band->bandtype == BRCM_BAND_5G ? APHY_SIFS_TIME :
377 BPHY_SIFS_TIME;
378}
379
380
381
382
383
384
385
386
387
388
389static bool brcms_deviceremoved(struct brcms_c_info *wlc)
390{
391 u32 macctrl;
392
393 if (!wlc->hw->clk)
394 return ai_deviceremoved(wlc->hw->sih);
395 macctrl = bcma_read32(wlc->hw->d11core,
396 D11REGOFFS(maccontrol));
397 return (macctrl & (MCTL_PSM_JMP_0 | MCTL_IHR_EN)) != MCTL_IHR_EN;
398}
399
400
401static int brcms_txpktpendtot(struct brcms_c_info *wlc)
402{
403 int i;
404 int pending = 0;
405
406 for (i = 0; i < ARRAY_SIZE(wlc->hw->di); i++)
407 if (wlc->hw->di[i])
408 pending += dma_txpending(wlc->hw->di[i]);
409 return pending;
410}
411
412static bool brcms_is_mband_unlocked(struct brcms_c_info *wlc)
413{
414 return wlc->pub->_nbands > 1 && !wlc->bandlocked;
415}
416
417static int brcms_chspec_bw(u16 chanspec)
418{
419 if (CHSPEC_IS40(chanspec))
420 return BRCMS_40_MHZ;
421 if (CHSPEC_IS20(chanspec))
422 return BRCMS_20_MHZ;
423
424 return BRCMS_10_MHZ;
425}
426
427static void brcms_c_bsscfg_mfree(struct brcms_bss_cfg *cfg)
428{
429 if (cfg == NULL)
430 return;
431
432 kfree(cfg->current_bss);
433 kfree(cfg);
434}
435
436static void brcms_c_detach_mfree(struct brcms_c_info *wlc)
437{
438 if (wlc == NULL)
439 return;
440
441 brcms_c_bsscfg_mfree(wlc->bsscfg);
442 kfree(wlc->pub);
443 kfree(wlc->modulecb);
444 kfree(wlc->default_bss);
445 kfree(wlc->protection);
446 kfree(wlc->stf);
447 kfree(wlc->bandstate[0]);
448 if (wlc->corestate)
449 kfree(wlc->corestate->macstat_snapshot);
450 kfree(wlc->corestate);
451 if (wlc->hw)
452 kfree(wlc->hw->bandstate[0]);
453 kfree(wlc->hw);
454 if (wlc->beacon)
455 dev_kfree_skb_any(wlc->beacon);
456 if (wlc->probe_resp)
457 dev_kfree_skb_any(wlc->probe_resp);
458
459 kfree(wlc);
460}
461
462static struct brcms_bss_cfg *brcms_c_bsscfg_malloc(uint unit)
463{
464 struct brcms_bss_cfg *cfg;
465
466 cfg = kzalloc(sizeof(struct brcms_bss_cfg), GFP_ATOMIC);
467 if (cfg == NULL)
468 goto fail;
469
470 cfg->current_bss = kzalloc(sizeof(struct brcms_bss_info), GFP_ATOMIC);
471 if (cfg->current_bss == NULL)
472 goto fail;
473
474 return cfg;
475
476 fail:
477 brcms_c_bsscfg_mfree(cfg);
478 return NULL;
479}
480
481static struct brcms_c_info *
482brcms_c_attach_malloc(uint unit, uint *err, uint devid)
483{
484 struct brcms_c_info *wlc;
485
486 wlc = kzalloc(sizeof(struct brcms_c_info), GFP_ATOMIC);
487 if (wlc == NULL) {
488 *err = 1002;
489 goto fail;
490 }
491
492
493 wlc->pub = kzalloc(sizeof(struct brcms_pub), GFP_ATOMIC);
494 if (wlc->pub == NULL) {
495 *err = 1003;
496 goto fail;
497 }
498 wlc->pub->wlc = wlc;
499
500
501
502 wlc->hw = kzalloc(sizeof(struct brcms_hardware), GFP_ATOMIC);
503 if (wlc->hw == NULL) {
504 *err = 1005;
505 goto fail;
506 }
507 wlc->hw->wlc = wlc;
508
509 wlc->hw->bandstate[0] =
510 kcalloc(MAXBANDS, sizeof(struct brcms_hw_band), GFP_ATOMIC);
511 if (wlc->hw->bandstate[0] == NULL) {
512 *err = 1006;
513 goto fail;
514 } else {
515 int i;
516
517 for (i = 1; i < MAXBANDS; i++)
518 wlc->hw->bandstate[i] = (struct brcms_hw_band *)
519 ((unsigned long)wlc->hw->bandstate[0] +
520 (sizeof(struct brcms_hw_band) * i));
521 }
522
523 wlc->modulecb =
524 kcalloc(BRCMS_MAXMODULES, sizeof(struct modulecb),
525 GFP_ATOMIC);
526 if (wlc->modulecb == NULL) {
527 *err = 1009;
528 goto fail;
529 }
530
531 wlc->default_bss = kzalloc(sizeof(struct brcms_bss_info), GFP_ATOMIC);
532 if (wlc->default_bss == NULL) {
533 *err = 1010;
534 goto fail;
535 }
536
537 wlc->bsscfg = brcms_c_bsscfg_malloc(unit);
538 if (wlc->bsscfg == NULL) {
539 *err = 1011;
540 goto fail;
541 }
542
543 wlc->protection = kzalloc(sizeof(struct brcms_protection),
544 GFP_ATOMIC);
545 if (wlc->protection == NULL) {
546 *err = 1016;
547 goto fail;
548 }
549
550 wlc->stf = kzalloc(sizeof(struct brcms_stf), GFP_ATOMIC);
551 if (wlc->stf == NULL) {
552 *err = 1017;
553 goto fail;
554 }
555
556 wlc->bandstate[0] =
557 kcalloc(MAXBANDS, sizeof(struct brcms_band), GFP_ATOMIC);
558 if (wlc->bandstate[0] == NULL) {
559 *err = 1025;
560 goto fail;
561 } else {
562 int i;
563
564 for (i = 1; i < MAXBANDS; i++)
565 wlc->bandstate[i] = (struct brcms_band *)
566 ((unsigned long)wlc->bandstate[0]
567 + (sizeof(struct brcms_band)*i));
568 }
569
570 wlc->corestate = kzalloc(sizeof(struct brcms_core), GFP_ATOMIC);
571 if (wlc->corestate == NULL) {
572 *err = 1026;
573 goto fail;
574 }
575
576 wlc->corestate->macstat_snapshot =
577 kzalloc(sizeof(struct macstat), GFP_ATOMIC);
578 if (wlc->corestate->macstat_snapshot == NULL) {
579 *err = 1027;
580 goto fail;
581 }
582
583 return wlc;
584
585 fail:
586 brcms_c_detach_mfree(wlc);
587 return NULL;
588}
589
590
591
592
593
594
595static void brcms_b_update_slot_timing(struct brcms_hardware *wlc_hw,
596 bool shortslot)
597{
598 struct bcma_device *core = wlc_hw->d11core;
599
600 if (shortslot) {
601
602 bcma_write16(core, D11REGOFFS(ifs_slot), 0x0207);
603 brcms_b_write_shm(wlc_hw, M_DOT11_SLOT, APHY_SLOT_TIME);
604 } else {
605
606 bcma_write16(core, D11REGOFFS(ifs_slot), 0x0212);
607 brcms_b_write_shm(wlc_hw, M_DOT11_SLOT, BPHY_SLOT_TIME);
608 }
609}
610
611
612
613
614
615static uint brcms_c_calc_frame_time(struct brcms_c_info *wlc, u32 ratespec,
616 u8 preamble_type, uint mac_len)
617{
618 uint nsyms, dur = 0, Ndps, kNdps;
619 uint rate = rspec2rate(ratespec);
620
621 if (rate == 0) {
622 brcms_err(wlc->hw->d11core, "wl%d: WAR: using rate of 1 mbps\n",
623 wlc->pub->unit);
624 rate = BRCM_RATE_1M;
625 }
626
627 if (is_mcs_rate(ratespec)) {
628 uint mcs = ratespec & RSPEC_RATE_MASK;
629 int tot_streams = mcs_2_txstreams(mcs) + rspec_stc(ratespec);
630
631 dur = PREN_PREAMBLE + (tot_streams * PREN_PREAMBLE_EXT);
632 if (preamble_type == BRCMS_MM_PREAMBLE)
633 dur += PREN_MM_EXT;
634
635 kNdps = mcs_2_rate(mcs, rspec_is40mhz(ratespec),
636 rspec_issgi(ratespec)) * 4;
637
638 if (rspec_stc(ratespec) == 0)
639 nsyms =
640 CEIL((APHY_SERVICE_NBITS + 8 * mac_len +
641 APHY_TAIL_NBITS) * 1000, kNdps);
642 else
643
644 nsyms =
645 2 *
646 CEIL((APHY_SERVICE_NBITS + 8 * mac_len +
647 APHY_TAIL_NBITS) * 1000, 2 * kNdps);
648
649 dur += APHY_SYMBOL_TIME * nsyms;
650 if (wlc->band->bandtype == BRCM_BAND_2G)
651 dur += DOT11_OFDM_SIGNAL_EXTENSION;
652 } else if (is_ofdm_rate(rate)) {
653 dur = APHY_PREAMBLE_TIME;
654 dur += APHY_SIGNAL_TIME;
655
656 Ndps = rate * 2;
657
658 nsyms =
659 CEIL((APHY_SERVICE_NBITS + 8 * mac_len + APHY_TAIL_NBITS),
660 Ndps);
661 dur += APHY_SYMBOL_TIME * nsyms;
662 if (wlc->band->bandtype == BRCM_BAND_2G)
663 dur += DOT11_OFDM_SIGNAL_EXTENSION;
664 } else {
665
666
667
668
669 mac_len = mac_len * 8 * 2;
670
671 dur = (mac_len + rate - 1) / rate;
672 if (preamble_type & BRCMS_SHORT_PREAMBLE)
673 dur += BPHY_PLCP_SHORT_TIME;
674 else
675 dur += BPHY_PLCP_TIME;
676 }
677 return dur;
678}
679
680static void brcms_c_write_inits(struct brcms_hardware *wlc_hw,
681 const struct d11init *inits)
682{
683 struct bcma_device *core = wlc_hw->d11core;
684 int i;
685 uint offset;
686 u16 size;
687 u32 value;
688
689 brcms_dbg_info(wlc_hw->d11core, "wl%d\n", wlc_hw->unit);
690
691 for (i = 0; inits[i].addr != cpu_to_le16(0xffff); i++) {
692 size = le16_to_cpu(inits[i].size);
693 offset = le16_to_cpu(inits[i].addr);
694 value = le32_to_cpu(inits[i].value);
695 if (size == 2)
696 bcma_write16(core, offset, value);
697 else if (size == 4)
698 bcma_write32(core, offset, value);
699 else
700 break;
701 }
702}
703
704static void brcms_c_write_mhf(struct brcms_hardware *wlc_hw, u16 *mhfs)
705{
706 u8 idx;
707 u16 addr[] = {
708 M_HOST_FLAGS1, M_HOST_FLAGS2, M_HOST_FLAGS3, M_HOST_FLAGS4,
709 M_HOST_FLAGS5
710 };
711
712 for (idx = 0; idx < MHFMAX; idx++)
713 brcms_b_write_shm(wlc_hw, addr[idx], mhfs[idx]);
714}
715
716static void brcms_c_ucode_bsinit(struct brcms_hardware *wlc_hw)
717{
718 struct brcms_ucode *ucode = &wlc_hw->wlc->wl->ucode;
719
720
721 brcms_c_write_mhf(wlc_hw, wlc_hw->band->mhfs);
722
723
724 if (D11REV_IS(wlc_hw->corerev, 17) || D11REV_IS(wlc_hw->corerev, 23)) {
725 if (BRCMS_ISNPHY(wlc_hw->band))
726 brcms_c_write_inits(wlc_hw, ucode->d11n0bsinitvals16);
727 else
728 brcms_err(wlc_hw->d11core,
729 "%s: wl%d: unsupported phy in corerev %d\n",
730 __func__, wlc_hw->unit,
731 wlc_hw->corerev);
732 } else {
733 if (D11REV_IS(wlc_hw->corerev, 24)) {
734 if (BRCMS_ISLCNPHY(wlc_hw->band))
735 brcms_c_write_inits(wlc_hw,
736 ucode->d11lcn0bsinitvals24);
737 else
738 brcms_err(wlc_hw->d11core,
739 "%s: wl%d: unsupported phy in core rev %d\n",
740 __func__, wlc_hw->unit,
741 wlc_hw->corerev);
742 } else {
743 brcms_err(wlc_hw->d11core,
744 "%s: wl%d: unsupported corerev %d\n",
745 __func__, wlc_hw->unit, wlc_hw->corerev);
746 }
747 }
748}
749
750static void brcms_b_core_ioctl(struct brcms_hardware *wlc_hw, u32 m, u32 v)
751{
752 struct bcma_device *core = wlc_hw->d11core;
753 u32 ioctl = bcma_aread32(core, BCMA_IOCTL) & ~m;
754
755 bcma_awrite32(core, BCMA_IOCTL, ioctl | v);
756}
757
758static void brcms_b_core_phy_clk(struct brcms_hardware *wlc_hw, bool clk)
759{
760 brcms_dbg_info(wlc_hw->d11core, "wl%d: clk %d\n", wlc_hw->unit, clk);
761
762 wlc_hw->phyclk = clk;
763
764 if (OFF == clk) {
765
766 brcms_b_core_ioctl(wlc_hw, (SICF_PRST | SICF_FGC | SICF_GMODE),
767 (SICF_PRST | SICF_FGC));
768 udelay(1);
769 brcms_b_core_ioctl(wlc_hw, (SICF_PRST | SICF_FGC), SICF_PRST);
770 udelay(1);
771
772 } else {
773
774 brcms_b_core_ioctl(wlc_hw, (SICF_PRST | SICF_FGC), SICF_FGC);
775 udelay(1);
776 brcms_b_core_ioctl(wlc_hw, SICF_FGC, 0);
777 udelay(1);
778
779 }
780}
781
782
783static void brcms_c_setxband(struct brcms_hardware *wlc_hw, uint bandunit)
784{
785 brcms_dbg_mac80211(wlc_hw->d11core, "wl%d: bandunit %d\n", wlc_hw->unit,
786 bandunit);
787
788 wlc_hw->band = wlc_hw->bandstate[bandunit];
789
790
791
792
793
794 wlc_hw->wlc->band = wlc_hw->wlc->bandstate[bandunit];
795
796
797 if (wlc_hw->sbclk && !wlc_hw->noreset) {
798 u32 gmode = 0;
799
800 if (bandunit == 0)
801 gmode = SICF_GMODE;
802
803 brcms_b_core_ioctl(wlc_hw, SICF_GMODE, gmode);
804 }
805}
806
807
808static u32 brcms_c_setband_inact(struct brcms_c_info *wlc, uint bandunit)
809{
810 struct brcms_hardware *wlc_hw = wlc->hw;
811 u32 macintmask;
812 u32 macctrl;
813
814 brcms_dbg_mac80211(wlc_hw->d11core, "wl%d\n", wlc_hw->unit);
815 macctrl = bcma_read32(wlc_hw->d11core,
816 D11REGOFFS(maccontrol));
817 WARN_ON((macctrl & MCTL_EN_MAC) != 0);
818
819
820 macintmask = brcms_intrsoff(wlc->wl);
821
822
823 wlc_phy_switch_radio(wlc_hw->band->pi, OFF);
824
825 brcms_b_core_phy_clk(wlc_hw, OFF);
826
827 brcms_c_setxband(wlc_hw, bandunit);
828
829 return macintmask;
830}
831
832
833static bool
834brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs)
835{
836 struct sk_buff *p = NULL;
837 uint queue = NFIFO;
838 struct dma_pub *dma = NULL;
839 struct d11txh *txh = NULL;
840 struct scb *scb = NULL;
841 bool free_pdu;
842 int tx_rts, tx_frame_count, tx_rts_count;
843 uint totlen, supr_status;
844 bool lastframe;
845 struct ieee80211_hdr *h;
846 u16 mcl;
847 struct ieee80211_tx_info *tx_info;
848 struct ieee80211_tx_rate *txrate;
849 int i;
850 bool fatal = true;
851
852 trace_brcms_txstatus(&wlc->hw->d11core->dev, txs->framelen,
853 txs->frameid, txs->status, txs->lasttxtime,
854 txs->sequence, txs->phyerr, txs->ackphyrxsh);
855
856
857
858
859
860
861 if (!(txs->status & TX_STATUS_AMPDU)
862 && (txs->status & TX_STATUS_INTERMEDIATE)) {
863 brcms_dbg_tx(wlc->hw->d11core, "INTERMEDIATE but not AMPDU\n");
864 fatal = false;
865 goto out;
866 }
867
868 queue = txs->frameid & TXFID_QUEUE_MASK;
869 if (queue >= NFIFO) {
870 brcms_err(wlc->hw->d11core, "queue %u >= NFIFO\n", queue);
871 goto out;
872 }
873
874 dma = wlc->hw->di[queue];
875
876 p = dma_getnexttxp(wlc->hw->di[queue], DMA_RANGE_TRANSMITTED);
877 if (p == NULL) {
878 brcms_err(wlc->hw->d11core, "dma_getnexttxp returned null!\n");
879 goto out;
880 }
881
882 txh = (struct d11txh *) (p->data);
883 mcl = le16_to_cpu(txh->MacTxControlLow);
884
885 if (txs->phyerr)
886 brcms_dbg_tx(wlc->hw->d11core, "phyerr 0x%x, rate 0x%x\n",
887 txs->phyerr, txh->MainRates);
888
889 if (txs->frameid != le16_to_cpu(txh->TxFrameID)) {
890 brcms_err(wlc->hw->d11core, "frameid != txh->TxFrameID\n");
891 goto out;
892 }
893 tx_info = IEEE80211_SKB_CB(p);
894 h = (struct ieee80211_hdr *)((u8 *) (txh + 1) + D11_PHY_HDR_LEN);
895
896 if (tx_info->rate_driver_data[0])
897 scb = &wlc->pri_scb;
898
899 if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) {
900 brcms_c_ampdu_dotxstatus(wlc->ampdu, scb, p, txs);
901 fatal = false;
902 goto out;
903 }
904
905
906
907
908
909 trace_brcms_txdesc(&wlc->hw->d11core->dev, txh, sizeof(*txh));
910
911 supr_status = txs->status & TX_STATUS_SUPR_MASK;
912 if (supr_status == TX_STATUS_SUPR_BADCH) {
913 unsigned xfts = le16_to_cpu(txh->XtraFrameTypes);
914 brcms_dbg_tx(wlc->hw->d11core,
915 "Pkt tx suppressed, dest chan %u, current %d\n",
916 (xfts >> XFTS_CHANNEL_SHIFT) & 0xff,
917 CHSPEC_CHANNEL(wlc->default_bss->chanspec));
918 }
919
920 tx_rts = le16_to_cpu(txh->MacTxControlLow) & TXC_SENDRTS;
921 tx_frame_count =
922 (txs->status & TX_STATUS_FRM_RTX_MASK) >> TX_STATUS_FRM_RTX_SHIFT;
923 tx_rts_count =
924 (txs->status & TX_STATUS_RTS_RTX_MASK) >> TX_STATUS_RTS_RTX_SHIFT;
925
926 lastframe = !ieee80211_has_morefrags(h->frame_control);
927
928 if (!lastframe) {
929 brcms_err(wlc->hw->d11core, "Not last frame!\n");
930 } else {
931
932
933
934
935
936
937
938
939 u16 sfbl,
940 lfbl,
941 fbl;
942
943 if (queue < IEEE80211_NUM_ACS) {
944 sfbl = GFIELD(wlc->wme_retries[wme_fifo2ac[queue]],
945 EDCF_SFB);
946 lfbl = GFIELD(wlc->wme_retries[wme_fifo2ac[queue]],
947 EDCF_LFB);
948 } else {
949 sfbl = wlc->SFBL;
950 lfbl = wlc->LFBL;
951 }
952
953 txrate = tx_info->status.rates;
954 if (txrate[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
955 fbl = lfbl;
956 else
957 fbl = sfbl;
958
959 ieee80211_tx_info_clear_status(tx_info);
960
961 if ((tx_frame_count > fbl) && (txrate[1].idx >= 0)) {
962
963
964
965
966 txrate[0].count = fbl;
967 txrate[1].count = tx_frame_count - fbl;
968 } else {
969
970
971
972
973 txrate[0].count = tx_frame_count;
974
975
976
977
978 txrate[1].idx = -1;
979 txrate[1].count = 0;
980 }
981
982
983 for (i = 2; i < IEEE80211_TX_MAX_RATES; i++) {
984 txrate[i].idx = -1;
985 txrate[i].count = 0;
986 }
987
988 if (txs->status & TX_STATUS_ACK_RCV)
989 tx_info->flags |= IEEE80211_TX_STAT_ACK;
990 }
991
992 totlen = p->len;
993 free_pdu = true;
994
995 if (lastframe) {
996
997 skb_pull(p, D11_PHY_HDR_LEN);
998 skb_pull(p, D11_TXH_LEN);
999 ieee80211_tx_status_irqsafe(wlc->pub->ieee_hw, p);
1000 } else {
1001 brcms_err(wlc->hw->d11core,
1002 "%s: Not last frame => not calling tx_status\n",
1003 __func__);
1004 }
1005
1006 fatal = false;
1007
1008 out:
1009 if (fatal) {
1010 if (txh)
1011 trace_brcms_txdesc(&wlc->hw->d11core->dev, txh,
1012 sizeof(*txh));
1013 brcmu_pkt_buf_free_skb(p);
1014 }
1015
1016 if (dma && queue < NFIFO) {
1017 u16 ac_queue = brcms_fifo_to_ac(queue);
1018 if (dma->txavail > TX_HEADROOM && queue < TX_BCMC_FIFO &&
1019 ieee80211_queue_stopped(wlc->pub->ieee_hw, ac_queue))
1020 ieee80211_wake_queue(wlc->pub->ieee_hw, ac_queue);
1021 dma_kick_tx(dma);
1022 }
1023
1024 return fatal;
1025}
1026
1027
1028
1029
1030static bool
1031brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal)
1032{
1033 struct bcma_device *core;
1034 struct tx_status txstatus, *txs;
1035 u32 s1, s2;
1036 uint n = 0;
1037
1038
1039
1040
1041 uint max_tx_num = bound ? TXSBND : -1;
1042
1043 txs = &txstatus;
1044 core = wlc_hw->d11core;
1045 *fatal = false;
1046
1047 while (n < max_tx_num) {
1048 s1 = bcma_read32(core, D11REGOFFS(frmtxstatus));
1049 if (s1 == 0xffffffff) {
1050 brcms_err(core, "wl%d: %s: dead chip\n", wlc_hw->unit,
1051 __func__);
1052 *fatal = true;
1053 return false;
1054 }
1055
1056 if (!(s1 & TXS_V))
1057 break;
1058
1059 s2 = bcma_read32(core, D11REGOFFS(frmtxstatus2));
1060 txs->status = s1 & TXS_STATUS_MASK;
1061 txs->frameid = (s1 & TXS_FID_MASK) >> TXS_FID_SHIFT;
1062 txs->sequence = s2 & TXS_SEQ_MASK;
1063 txs->phyerr = (s2 & TXS_PTX_MASK) >> TXS_PTX_SHIFT;
1064 txs->lasttxtime = 0;
1065
1066 *fatal = brcms_c_dotxstatus(wlc_hw->wlc, txs);
1067 if (*fatal == true)
1068 return false;
1069 n++;
1070 }
1071
1072 return n >= max_tx_num;
1073}
1074
1075static void brcms_c_tbtt(struct brcms_c_info *wlc)
1076{
1077 if (wlc->bsscfg->type == BRCMS_TYPE_ADHOC)
1078
1079
1080
1081
1082 wlc->qvalid |= MCMD_DIRFRMQVAL;
1083}
1084
1085
1086static void
1087brcms_c_mhfdef(struct brcms_c_info *wlc, u16 *mhfs, u16 mhf2_init)
1088{
1089 struct brcms_hardware *wlc_hw = wlc->hw;
1090
1091 memset(mhfs, 0, MHFMAX * sizeof(u16));
1092
1093 mhfs[MHF2] |= mhf2_init;
1094
1095
1096 if (wlc_hw->boardflags & BFL_NOPLLDOWN)
1097 mhfs[MHF1] |= MHF1_FORCEFASTCLK;
1098
1099 if (BRCMS_ISNPHY(wlc_hw->band) && NREV_LT(wlc_hw->band->phyrev, 2)) {
1100 mhfs[MHF2] |= MHF2_NPHY40MHZ_WAR;
1101 mhfs[MHF1] |= MHF1_IQSWAP_WAR;
1102 }
1103}
1104
1105static uint
1106dmareg(uint direction, uint fifonum)
1107{
1108 if (direction == DMA_TX)
1109 return offsetof(struct d11regs, fifo64regs[fifonum].dmaxmt);
1110 return offsetof(struct d11regs, fifo64regs[fifonum].dmarcv);
1111}
1112
1113static bool brcms_b_attach_dmapio(struct brcms_c_info *wlc, uint j, bool wme)
1114{
1115 uint i;
1116 char name[8];
1117
1118
1119
1120 u16 pio_mhf2 = 0;
1121 struct brcms_hardware *wlc_hw = wlc->hw;
1122 uint unit = wlc_hw->unit;
1123
1124
1125 snprintf(name, sizeof(name), "wl%d", unit);
1126
1127 if (wlc_hw->di[0] == NULL) {
1128 int dma_attach_err = 0;
1129
1130
1131
1132
1133
1134
1135 wlc_hw->di[0] = dma_attach(name, wlc,
1136 (wme ? dmareg(DMA_TX, 0) : 0),
1137 dmareg(DMA_RX, 0),
1138 (wme ? NTXD : 0), NRXD,
1139 RXBUFSZ, -1, NRXBUFPOST,
1140 BRCMS_HWRXOFF);
1141 dma_attach_err |= (NULL == wlc_hw->di[0]);
1142
1143
1144
1145
1146
1147
1148
1149 wlc_hw->di[1] = dma_attach(name, wlc,
1150 dmareg(DMA_TX, 1), 0,
1151 NTXD, 0, 0, -1, 0, 0);
1152 dma_attach_err |= (NULL == wlc_hw->di[1]);
1153
1154
1155
1156
1157
1158
1159 wlc_hw->di[2] = dma_attach(name, wlc,
1160 dmareg(DMA_TX, 2), 0,
1161 NTXD, 0, 0, -1, 0, 0);
1162 dma_attach_err |= (NULL == wlc_hw->di[2]);
1163
1164
1165
1166
1167
1168 wlc_hw->di[3] = dma_attach(name, wlc,
1169 dmareg(DMA_TX, 3),
1170 0, NTXD, 0, 0, -1,
1171 0, 0);
1172 dma_attach_err |= (NULL == wlc_hw->di[3]);
1173
1174
1175 if (dma_attach_err) {
1176 brcms_err(wlc_hw->d11core,
1177 "wl%d: wlc_attach: dma_attach failed\n",
1178 unit);
1179 return false;
1180 }
1181
1182
1183 for (i = 0; i < NFIFO; i++)
1184 if (wlc_hw->di[i])
1185 wlc_hw->txavail[i] =
1186 (uint *) dma_getvar(wlc_hw->di[i],
1187 "&txavail");
1188 }
1189
1190
1191 brcms_c_mhfdef(wlc, wlc_hw->band->mhfs, pio_mhf2);
1192
1193 return true;
1194}
1195
1196static void brcms_b_detach_dmapio(struct brcms_hardware *wlc_hw)
1197{
1198 uint j;
1199
1200 for (j = 0; j < NFIFO; j++) {
1201 if (wlc_hw->di[j]) {
1202 dma_detach(wlc_hw->di[j]);
1203 wlc_hw->di[j] = NULL;
1204 }
1205 }
1206}
1207
1208
1209
1210
1211
1212
1213static void brcms_b_info_init(struct brcms_hardware *wlc_hw)
1214{
1215 struct brcms_c_info *wlc = wlc_hw->wlc;
1216
1217
1218 wlc->defmacintmask = DEF_MACINTMASK;
1219
1220
1221 wlc_hw->shortslot = false;
1222
1223 wlc_hw->SFBL = RETRY_SHORT_FB;
1224 wlc_hw->LFBL = RETRY_LONG_FB;
1225
1226
1227 wlc_hw->SRL = RETRY_SHORT_DEF;
1228 wlc_hw->LRL = RETRY_LONG_DEF;
1229 wlc_hw->chanspec = ch20mhz_chspec(1);
1230}
1231
1232static void brcms_b_wait_for_wake(struct brcms_hardware *wlc_hw)
1233{
1234
1235 udelay(40);
1236
1237
1238 SPINWAIT((brcms_b_read_shm(wlc_hw, M_UCODE_DBGST) ==
1239 DBGST_ASLEEP), wlc_hw->wlc->fastpwrup_dly);
1240}
1241
1242
1243static void brcms_b_clkctl_clk(struct brcms_hardware *wlc_hw, enum bcma_clkmode mode)
1244{
1245 if (ai_get_cccaps(wlc_hw->sih) & CC_CAP_PMU) {
1246
1247
1248
1249
1250
1251
1252 if (wlc_hw->clk) {
1253 if (mode == BCMA_CLKMODE_FAST) {
1254 bcma_set32(wlc_hw->d11core,
1255 D11REGOFFS(clk_ctl_st),
1256 CCS_FORCEHT);
1257
1258 udelay(64);
1259
1260 SPINWAIT(
1261 ((bcma_read32(wlc_hw->d11core,
1262 D11REGOFFS(clk_ctl_st)) &
1263 CCS_HTAVAIL) == 0),
1264 PMU_MAX_TRANSITION_DLY);
1265 WARN_ON(!(bcma_read32(wlc_hw->d11core,
1266 D11REGOFFS(clk_ctl_st)) &
1267 CCS_HTAVAIL));
1268 } else {
1269 if ((ai_get_pmurev(wlc_hw->sih) == 0) &&
1270 (bcma_read32(wlc_hw->d11core,
1271 D11REGOFFS(clk_ctl_st)) &
1272 (CCS_FORCEHT | CCS_HTAREQ)))
1273 SPINWAIT(
1274 ((bcma_read32(wlc_hw->d11core,
1275 offsetof(struct d11regs,
1276 clk_ctl_st)) &
1277 CCS_HTAVAIL) == 0),
1278 PMU_MAX_TRANSITION_DLY);
1279 bcma_mask32(wlc_hw->d11core,
1280 D11REGOFFS(clk_ctl_st),
1281 ~CCS_FORCEHT);
1282 }
1283 }
1284 wlc_hw->forcefastclk = (mode == BCMA_CLKMODE_FAST);
1285 } else {
1286
1287
1288
1289
1290
1291 wlc_hw->forcefastclk = ai_clkctl_cc(wlc_hw->sih, mode);
1292
1293
1294 if (wlc_hw->forcefastclk && wlc_hw->clk)
1295 WARN_ON(!(bcma_aread32(wlc_hw->d11core, BCMA_IOST) &
1296 SISF_FCLKA));
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308 if (wlc_hw->forcefastclk)
1309 mboolset(wlc_hw->wake_override,
1310 BRCMS_WAKE_OVERRIDE_FORCEFAST);
1311 else
1312 mboolclr(wlc_hw->wake_override,
1313 BRCMS_WAKE_OVERRIDE_FORCEFAST);
1314 }
1315}
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328void
1329brcms_b_mhf(struct brcms_hardware *wlc_hw, u8 idx, u16 mask, u16 val,
1330 int bands)
1331{
1332 u16 save;
1333 u16 addr[MHFMAX] = {
1334 M_HOST_FLAGS1, M_HOST_FLAGS2, M_HOST_FLAGS3, M_HOST_FLAGS4,
1335 M_HOST_FLAGS5
1336 };
1337 struct brcms_hw_band *band;
1338
1339 if ((val & ~mask) || idx >= MHFMAX)
1340 return;
1341
1342 switch (bands) {
1343
1344
1345
1346 case BRCM_BAND_AUTO:
1347 case BRCM_BAND_ALL:
1348 band = wlc_hw->band;
1349 break;
1350 case BRCM_BAND_5G:
1351 band = wlc_hw->bandstate[BAND_5G_INDEX];
1352 break;
1353 case BRCM_BAND_2G:
1354 band = wlc_hw->bandstate[BAND_2G_INDEX];
1355 break;
1356 default:
1357 band = NULL;
1358 }
1359
1360 if (band) {
1361 save = band->mhfs[idx];
1362 band->mhfs[idx] = (band->mhfs[idx] & ~mask) | val;
1363
1364
1365
1366
1367 if (wlc_hw->clk && (band->mhfs[idx] != save)
1368 && (band == wlc_hw->band))
1369 brcms_b_write_shm(wlc_hw, addr[idx],
1370 (u16) band->mhfs[idx]);
1371 }
1372
1373 if (bands == BRCM_BAND_ALL) {
1374 wlc_hw->bandstate[0]->mhfs[idx] =
1375 (wlc_hw->bandstate[0]->mhfs[idx] & ~mask) | val;
1376 wlc_hw->bandstate[1]->mhfs[idx] =
1377 (wlc_hw->bandstate[1]->mhfs[idx] & ~mask) | val;
1378 }
1379}
1380
1381
1382
1383
1384static void brcms_c_mctrl_reset(struct brcms_hardware *wlc_hw)
1385{
1386
1387 wlc_hw->maccontrol = 0;
1388 wlc_hw->suspended_fifos = 0;
1389 wlc_hw->wake_override = 0;
1390 wlc_hw->mute_override = 0;
1391 brcms_b_mctrl(wlc_hw, ~0, MCTL_IHR_EN | MCTL_WAKE);
1392}
1393
1394
1395
1396
1397
1398static void brcms_c_mctrl_write(struct brcms_hardware *wlc_hw)
1399{
1400 u32 maccontrol = wlc_hw->maccontrol;
1401
1402
1403 if (wlc_hw->wake_override)
1404 maccontrol |= MCTL_WAKE;
1405
1406
1407 if (wlc_hw->mute_override) {
1408 maccontrol &= ~(MCTL_AP);
1409 maccontrol |= MCTL_INFRA;
1410 }
1411
1412 bcma_write32(wlc_hw->d11core, D11REGOFFS(maccontrol),
1413 maccontrol);
1414}
1415
1416
1417void brcms_b_mctrl(struct brcms_hardware *wlc_hw, u32 mask, u32 val)
1418{
1419 u32 maccontrol;
1420 u32 new_maccontrol;
1421
1422 if (val & ~mask)
1423 return;
1424 maccontrol = wlc_hw->maccontrol;
1425 new_maccontrol = (maccontrol & ~mask) | val;
1426
1427
1428 if (new_maccontrol == maccontrol)
1429 return;
1430
1431
1432 wlc_hw->maccontrol = new_maccontrol;
1433
1434
1435 brcms_c_mctrl_write(wlc_hw);
1436}
1437
1438void brcms_c_ucode_wake_override_set(struct brcms_hardware *wlc_hw,
1439 u32 override_bit)
1440{
1441 if (wlc_hw->wake_override || (wlc_hw->maccontrol & MCTL_WAKE)) {
1442 mboolset(wlc_hw->wake_override, override_bit);
1443 return;
1444 }
1445
1446 mboolset(wlc_hw->wake_override, override_bit);
1447
1448 brcms_c_mctrl_write(wlc_hw);
1449 brcms_b_wait_for_wake(wlc_hw);
1450}
1451
1452void brcms_c_ucode_wake_override_clear(struct brcms_hardware *wlc_hw,
1453 u32 override_bit)
1454{
1455 mboolclr(wlc_hw->wake_override, override_bit);
1456
1457 if (wlc_hw->wake_override || (wlc_hw->maccontrol & MCTL_WAKE))
1458 return;
1459
1460 brcms_c_mctrl_write(wlc_hw);
1461}
1462
1463
1464
1465
1466
1467
1468
1469
1470static void brcms_c_ucode_mute_override_set(struct brcms_hardware *wlc_hw)
1471{
1472 wlc_hw->mute_override = 1;
1473
1474
1475
1476
1477 if ((wlc_hw->maccontrol & (MCTL_AP | MCTL_INFRA)) == MCTL_INFRA)
1478 return;
1479
1480 brcms_c_mctrl_write(wlc_hw);
1481}
1482
1483
1484static void brcms_c_ucode_mute_override_clear(struct brcms_hardware *wlc_hw)
1485{
1486 if (wlc_hw->mute_override == 0)
1487 return;
1488
1489 wlc_hw->mute_override = 0;
1490
1491
1492
1493
1494 if ((wlc_hw->maccontrol & (MCTL_AP | MCTL_INFRA)) == MCTL_INFRA)
1495 return;
1496
1497 brcms_c_mctrl_write(wlc_hw);
1498}
1499
1500
1501
1502
1503static void
1504brcms_b_set_addrmatch(struct brcms_hardware *wlc_hw, int match_reg_offset,
1505 const u8 *addr)
1506{
1507 struct bcma_device *core = wlc_hw->d11core;
1508 u16 mac_l;
1509 u16 mac_m;
1510 u16 mac_h;
1511
1512 brcms_dbg_rx(core, "wl%d: brcms_b_set_addrmatch\n", wlc_hw->unit);
1513
1514 mac_l = addr[0] | (addr[1] << 8);
1515 mac_m = addr[2] | (addr[3] << 8);
1516 mac_h = addr[4] | (addr[5] << 8);
1517
1518
1519 bcma_write16(core, D11REGOFFS(rcm_ctl),
1520 RCM_INC_DATA | match_reg_offset);
1521 bcma_write16(core, D11REGOFFS(rcm_mat_data), mac_l);
1522 bcma_write16(core, D11REGOFFS(rcm_mat_data), mac_m);
1523 bcma_write16(core, D11REGOFFS(rcm_mat_data), mac_h);
1524}
1525
1526void
1527brcms_b_write_template_ram(struct brcms_hardware *wlc_hw, int offset, int len,
1528 void *buf)
1529{
1530 struct bcma_device *core = wlc_hw->d11core;
1531 u32 word;
1532 __le32 word_le;
1533 __be32 word_be;
1534 bool be_bit;
1535 brcms_dbg_info(core, "wl%d\n", wlc_hw->unit);
1536
1537 bcma_write32(core, D11REGOFFS(tplatewrptr), offset);
1538
1539
1540
1541
1542
1543 be_bit = (bcma_read32(core, D11REGOFFS(maccontrol)) & MCTL_BIGEND) != 0;
1544
1545 while (len > 0) {
1546 memcpy(&word, buf, sizeof(u32));
1547
1548 if (be_bit) {
1549 word_be = cpu_to_be32(word);
1550 word = *(u32 *)&word_be;
1551 } else {
1552 word_le = cpu_to_le32(word);
1553 word = *(u32 *)&word_le;
1554 }
1555
1556 bcma_write32(core, D11REGOFFS(tplatewrdata), word);
1557
1558 buf = (u8 *) buf + sizeof(u32);
1559 len -= sizeof(u32);
1560 }
1561}
1562
1563static void brcms_b_set_cwmin(struct brcms_hardware *wlc_hw, u16 newmin)
1564{
1565 wlc_hw->band->CWmin = newmin;
1566
1567 bcma_write32(wlc_hw->d11core, D11REGOFFS(objaddr),
1568 OBJADDR_SCR_SEL | S_DOT11_CWMIN);
1569 (void)bcma_read32(wlc_hw->d11core, D11REGOFFS(objaddr));
1570 bcma_write32(wlc_hw->d11core, D11REGOFFS(objdata), newmin);
1571}
1572
1573static void brcms_b_set_cwmax(struct brcms_hardware *wlc_hw, u16 newmax)
1574{
1575 wlc_hw->band->CWmax = newmax;
1576
1577 bcma_write32(wlc_hw->d11core, D11REGOFFS(objaddr),
1578 OBJADDR_SCR_SEL | S_DOT11_CWMAX);
1579 (void)bcma_read32(wlc_hw->d11core, D11REGOFFS(objaddr));
1580 bcma_write32(wlc_hw->d11core, D11REGOFFS(objdata), newmax);
1581}
1582
1583void brcms_b_bw_set(struct brcms_hardware *wlc_hw, u16 bw)
1584{
1585 bool fastclk;
1586
1587
1588 fastclk = wlc_hw->forcefastclk;
1589 if (!fastclk)
1590 brcms_b_clkctl_clk(wlc_hw, BCMA_CLKMODE_FAST);
1591
1592 wlc_phy_bw_state_set(wlc_hw->band->pi, bw);
1593
1594 brcms_b_phy_reset(wlc_hw);
1595 wlc_phy_init(wlc_hw->band->pi, wlc_phy_chanspec_get(wlc_hw->band->pi));
1596
1597
1598 if (!fastclk)
1599 brcms_b_clkctl_clk(wlc_hw, BCMA_CLKMODE_DYNAMIC);
1600}
1601
1602static void brcms_b_upd_synthpu(struct brcms_hardware *wlc_hw)
1603{
1604 u16 v;
1605 struct brcms_c_info *wlc = wlc_hw->wlc;
1606
1607
1608 if (BRCMS_ISLCNPHY(wlc->band))
1609 v = SYNTHPU_DLY_LPPHY_US;
1610 else if (BRCMS_ISNPHY(wlc->band) && (NREV_GE(wlc->band->phyrev, 3)))
1611 v = SYNTHPU_DLY_NPHY_US;
1612 else
1613 v = SYNTHPU_DLY_BPHY_US;
1614
1615 brcms_b_write_shm(wlc_hw, M_SYNTHPU_DLY, v);
1616}
1617
1618static void brcms_c_ucode_txant_set(struct brcms_hardware *wlc_hw)
1619{
1620 u16 phyctl;
1621 u16 phytxant = wlc_hw->bmac_phytxant;
1622 u16 mask = PHY_TXC_ANT_MASK;
1623
1624
1625 phyctl = brcms_b_read_shm(wlc_hw, M_CTXPRS_BLK + C_CTX_PCTLWD_POS);
1626 phyctl = (phyctl & ~mask) | phytxant;
1627 brcms_b_write_shm(wlc_hw, M_CTXPRS_BLK + C_CTX_PCTLWD_POS, phyctl);
1628
1629
1630 phyctl = brcms_b_read_shm(wlc_hw, M_RSP_PCTLWD);
1631 phyctl = (phyctl & ~mask) | phytxant;
1632 brcms_b_write_shm(wlc_hw, M_RSP_PCTLWD, phyctl);
1633}
1634
1635static u16 brcms_b_ofdm_ratetable_offset(struct brcms_hardware *wlc_hw,
1636 u8 rate)
1637{
1638 uint i;
1639 u8 plcp_rate = 0;
1640 struct plcp_signal_rate_lookup {
1641 u8 rate;
1642 u8 signal_rate;
1643 };
1644
1645 const struct plcp_signal_rate_lookup rate_lookup[] = {
1646 {BRCM_RATE_6M, 0xB},
1647 {BRCM_RATE_9M, 0xF},
1648 {BRCM_RATE_12M, 0xA},
1649 {BRCM_RATE_18M, 0xE},
1650 {BRCM_RATE_24M, 0x9},
1651 {BRCM_RATE_36M, 0xD},
1652 {BRCM_RATE_48M, 0x8},
1653 {BRCM_RATE_54M, 0xC}
1654 };
1655
1656 for (i = 0; i < ARRAY_SIZE(rate_lookup); i++) {
1657 if (rate == rate_lookup[i].rate) {
1658 plcp_rate = rate_lookup[i].signal_rate;
1659 break;
1660 }
1661 }
1662
1663
1664
1665
1666 return 2 * brcms_b_read_shm(wlc_hw, M_RT_DIRMAP_A + (plcp_rate * 2));
1667}
1668
1669static void brcms_upd_ofdm_pctl1_table(struct brcms_hardware *wlc_hw)
1670{
1671 u8 rate;
1672 u8 rates[8] = {
1673 BRCM_RATE_6M, BRCM_RATE_9M, BRCM_RATE_12M, BRCM_RATE_18M,
1674 BRCM_RATE_24M, BRCM_RATE_36M, BRCM_RATE_48M, BRCM_RATE_54M
1675 };
1676 u16 entry_ptr;
1677 u16 pctl1;
1678 uint i;
1679
1680 if (!BRCMS_PHY_11N_CAP(wlc_hw->band))
1681 return;
1682
1683
1684 for (i = 0; i < ARRAY_SIZE(rates); i++) {
1685 rate = rates[i];
1686
1687 entry_ptr = brcms_b_ofdm_ratetable_offset(wlc_hw, rate);
1688
1689
1690 pctl1 =
1691 brcms_b_read_shm(wlc_hw, entry_ptr + M_RT_OFDM_PCTL1_POS);
1692
1693
1694 pctl1 &= ~PHY_TXC1_MODE_MASK;
1695 pctl1 |= (wlc_hw->hw_stf_ss_opmode << PHY_TXC1_MODE_SHIFT);
1696
1697
1698 brcms_b_write_shm(wlc_hw, entry_ptr + M_RT_OFDM_PCTL1_POS,
1699 pctl1);
1700 }
1701}
1702
1703
1704static void brcms_b_bsinit(struct brcms_c_info *wlc, u16 chanspec)
1705{
1706 struct brcms_hardware *wlc_hw = wlc->hw;
1707
1708 brcms_dbg_mac80211(wlc_hw->d11core, "wl%d: bandunit %d\n", wlc_hw->unit,
1709 wlc_hw->band->bandunit);
1710
1711 brcms_c_ucode_bsinit(wlc_hw);
1712
1713 wlc_phy_init(wlc_hw->band->pi, chanspec);
1714
1715 brcms_c_ucode_txant_set(wlc_hw);
1716
1717
1718
1719
1720
1721 brcms_b_set_cwmin(wlc_hw, wlc_hw->band->CWmin);
1722 brcms_b_set_cwmax(wlc_hw, wlc_hw->band->CWmax);
1723
1724 brcms_b_update_slot_timing(wlc_hw,
1725 wlc_hw->band->bandtype == BRCM_BAND_5G ?
1726 true : wlc_hw->shortslot);
1727
1728
1729 brcms_b_write_shm(wlc_hw, M_PHYTYPE, (u16) wlc_hw->band->phytype);
1730 brcms_b_write_shm(wlc_hw, M_PHYVER, (u16) wlc_hw->band->phyrev);
1731
1732
1733
1734
1735
1736 brcms_upd_ofdm_pctl1_table(wlc_hw);
1737
1738 brcms_b_upd_synthpu(wlc_hw);
1739}
1740
1741
1742void brcms_b_core_phypll_reset(struct brcms_hardware *wlc_hw)
1743{
1744 ai_cc_reg(wlc_hw->sih, offsetof(struct chipcregs, chipcontrol_addr),
1745 ~0, 0);
1746 udelay(1);
1747 ai_cc_reg(wlc_hw->sih, offsetof(struct chipcregs, chipcontrol_data),
1748 0x4, 0);
1749 udelay(1);
1750 ai_cc_reg(wlc_hw->sih, offsetof(struct chipcregs, chipcontrol_data),
1751 0x4, 4);
1752 udelay(1);
1753 ai_cc_reg(wlc_hw->sih, offsetof(struct chipcregs, chipcontrol_data),
1754 0x4, 0);
1755 udelay(1);
1756}
1757
1758
1759
1760
1761void brcms_b_phyclk_fgc(struct brcms_hardware *wlc_hw, bool clk)
1762{
1763
1764 if (!BRCMS_ISNPHY(wlc_hw->band))
1765 return;
1766
1767 if (ON == clk)
1768 brcms_b_core_ioctl(wlc_hw, SICF_FGC, SICF_FGC);
1769 else
1770 brcms_b_core_ioctl(wlc_hw, SICF_FGC, 0);
1771
1772}
1773
1774void brcms_b_macphyclk_set(struct brcms_hardware *wlc_hw, bool clk)
1775{
1776 if (ON == clk)
1777 brcms_b_core_ioctl(wlc_hw, SICF_MPCLKE, SICF_MPCLKE);
1778 else
1779 brcms_b_core_ioctl(wlc_hw, SICF_MPCLKE, 0);
1780}
1781
1782void brcms_b_phy_reset(struct brcms_hardware *wlc_hw)
1783{
1784 struct brcms_phy_pub *pih = wlc_hw->band->pi;
1785 u32 phy_bw_clkbits;
1786 bool phy_in_reset = false;
1787
1788 brcms_dbg_info(wlc_hw->d11core, "wl%d: reset phy\n", wlc_hw->unit);
1789
1790 if (pih == NULL)
1791 return;
1792
1793 phy_bw_clkbits = wlc_phy_clk_bwbits(wlc_hw->band->pi);
1794
1795
1796 if (BRCMS_ISNPHY(wlc_hw->band) && NREV_GE(wlc_hw->band->phyrev, 3) &&
1797 NREV_LE(wlc_hw->band->phyrev, 4)) {
1798
1799 brcms_b_core_ioctl(wlc_hw, SICF_BWMASK, phy_bw_clkbits);
1800
1801 udelay(1);
1802
1803
1804 brcms_b_core_phypll_reset(wlc_hw);
1805
1806
1807 brcms_b_core_ioctl(wlc_hw, (SICF_PRST | SICF_PCLKE),
1808 (SICF_PRST | SICF_PCLKE));
1809 phy_in_reset = true;
1810 } else {
1811 brcms_b_core_ioctl(wlc_hw,
1812 (SICF_PRST | SICF_PCLKE | SICF_BWMASK),
1813 (SICF_PRST | SICF_PCLKE | phy_bw_clkbits));
1814 }
1815
1816 udelay(2);
1817 brcms_b_core_phy_clk(wlc_hw, ON);
1818
1819 if (pih)
1820 wlc_phy_anacore(pih, ON);
1821}
1822
1823
1824static void brcms_b_setband(struct brcms_hardware *wlc_hw, uint bandunit,
1825 u16 chanspec) {
1826 struct brcms_c_info *wlc = wlc_hw->wlc;
1827 u32 macintmask;
1828
1829
1830 if (!bcma_core_is_enabled(wlc_hw->d11core)) {
1831 bcma_core_enable(wlc_hw->d11core, 0);
1832 brcms_c_mctrl_reset(wlc_hw);
1833 }
1834
1835 macintmask = brcms_c_setband_inact(wlc, bandunit);
1836
1837 if (!wlc_hw->up)
1838 return;
1839
1840 brcms_b_core_phy_clk(wlc_hw, ON);
1841
1842
1843 brcms_b_bsinit(wlc, chanspec);
1844
1845
1846
1847
1848
1849
1850 if (wlc->macintstatus)
1851 wlc->macintstatus = MI_DMAINT;
1852
1853
1854 brcms_intrsrestore(wlc->wl, macintmask);
1855
1856
1857 WARN_ON((bcma_read32(wlc_hw->d11core, D11REGOFFS(maccontrol)) &
1858 MCTL_EN_MAC) != 0);
1859}
1860
1861static bool brcms_c_isgoodchip(struct brcms_hardware *wlc_hw)
1862{
1863
1864
1865 if (!CONF_HAS(D11CONF, wlc_hw->corerev)) {
1866 wiphy_err(wlc_hw->wlc->wiphy, "unsupported core rev %d\n",
1867 wlc_hw->corerev);
1868 return false;
1869 }
1870
1871 return true;
1872}
1873
1874
1875static bool brcms_c_validboardtype(struct brcms_hardware *wlc_hw)
1876{
1877 uint boardrev = wlc_hw->boardrev;
1878
1879
1880 uint brt = (boardrev & 0xf000) >> 12;
1881 uint b0 = (boardrev & 0xf00) >> 8;
1882 uint b1 = (boardrev & 0xf0) >> 4;
1883 uint b2 = boardrev & 0xf;
1884
1885
1886 if (ai_get_boardvendor(wlc_hw->sih) != PCI_VENDOR_ID_BROADCOM)
1887 return true;
1888
1889
1890 if (boardrev == 0)
1891 return false;
1892
1893 if (boardrev <= 0xff)
1894 return true;
1895
1896 if ((brt > 2) || (brt == 0) || (b0 > 9) || (b0 == 0) || (b1 > 9)
1897 || (b2 > 9))
1898 return false;
1899
1900 return true;
1901}
1902
1903static void brcms_c_get_macaddr(struct brcms_hardware *wlc_hw, u8 etheraddr[ETH_ALEN])
1904{
1905 struct ssb_sprom *sprom = &wlc_hw->d11core->bus->sprom;
1906
1907
1908 if (!is_zero_ether_addr(sprom->il0mac)) {
1909 memcpy(etheraddr, sprom->il0mac, ETH_ALEN);
1910 return;
1911 }
1912
1913 if (wlc_hw->_nbands > 1)
1914 memcpy(etheraddr, sprom->et1mac, ETH_ALEN);
1915 else
1916 memcpy(etheraddr, sprom->il0mac, ETH_ALEN);
1917}
1918
1919
1920static void brcms_b_xtal(struct brcms_hardware *wlc_hw, bool want)
1921{
1922 brcms_dbg_info(wlc_hw->d11core, "wl%d: want %d\n", wlc_hw->unit, want);
1923
1924
1925
1926
1927
1928 if (!want && wlc_hw->pllreq)
1929 return;
1930
1931 wlc_hw->sbclk = want;
1932 if (!wlc_hw->sbclk) {
1933 wlc_hw->clk = false;
1934 if (wlc_hw->band && wlc_hw->band->pi)
1935 wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, false);
1936 }
1937}
1938
1939
1940
1941
1942
1943
1944
1945static bool brcms_b_radio_read_hwdisabled(struct brcms_hardware *wlc_hw)
1946{
1947 bool v, clk, xtal;
1948 u32 flags = 0;
1949
1950 xtal = wlc_hw->sbclk;
1951 if (!xtal)
1952 brcms_b_xtal(wlc_hw, ON);
1953
1954
1955 clk = wlc_hw->clk;
1956 if (!clk) {
1957
1958
1959
1960
1961
1962 if (D11REV_GE(wlc_hw->corerev, 18))
1963 flags |= SICF_PCLKE;
1964
1965
1966
1967
1968
1969
1970
1971
1972 bcma_core_enable(wlc_hw->d11core, flags);
1973 brcms_c_mctrl_reset(wlc_hw);
1974 }
1975
1976 v = ((bcma_read32(wlc_hw->d11core,
1977 D11REGOFFS(phydebug)) & PDBG_RFD) != 0);
1978
1979
1980 if (!clk)
1981 bcma_core_disable(wlc_hw->d11core, 0);
1982
1983 if (!xtal)
1984 brcms_b_xtal(wlc_hw, OFF);
1985
1986 return v;
1987}
1988
1989static bool wlc_dma_rxreset(struct brcms_hardware *wlc_hw, uint fifo)
1990{
1991 struct dma_pub *di = wlc_hw->di[fifo];
1992 return dma_rxreset(di);
1993}
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003void brcms_b_corereset(struct brcms_hardware *wlc_hw, u32 flags)
2004{
2005 uint i;
2006 bool fastclk;
2007
2008 if (flags == BRCMS_USE_COREFLAGS)
2009 flags = (wlc_hw->band->pi ? wlc_hw->band->core_flags : 0);
2010
2011 brcms_dbg_info(wlc_hw->d11core, "wl%d: core reset\n", wlc_hw->unit);
2012
2013
2014 fastclk = wlc_hw->forcefastclk;
2015 if (!fastclk)
2016 brcms_b_clkctl_clk(wlc_hw, BCMA_CLKMODE_FAST);
2017
2018
2019 if (bcma_core_is_enabled(wlc_hw->d11core)) {
2020 for (i = 0; i < NFIFO; i++)
2021 if ((wlc_hw->di[i]) && (!dma_txreset(wlc_hw->di[i])))
2022 brcms_err(wlc_hw->d11core, "wl%d: %s: "
2023 "dma_txreset[%d]: cannot stop dma\n",
2024 wlc_hw->unit, __func__, i);
2025
2026 if ((wlc_hw->di[RX_FIFO])
2027 && (!wlc_dma_rxreset(wlc_hw, RX_FIFO)))
2028 brcms_err(wlc_hw->d11core, "wl%d: %s: dma_rxreset"
2029 "[%d]: cannot stop dma\n",
2030 wlc_hw->unit, __func__, RX_FIFO);
2031 }
2032
2033 if (wlc_hw->noreset) {
2034 wlc_hw->wlc->macintstatus = 0;
2035 brcms_b_mctrl(wlc_hw, MCTL_PSM_RUN | MCTL_EN_MAC, 0);
2036 return;
2037 }
2038
2039
2040
2041
2042
2043
2044 if (D11REV_GE(wlc_hw->corerev, 18))
2045 flags |= SICF_PCLKE;
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057 wlc_hw->clk = false;
2058 bcma_core_enable(wlc_hw->d11core, flags);
2059 wlc_hw->clk = true;
2060 if (wlc_hw->band && wlc_hw->band->pi)
2061 wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, true);
2062
2063 brcms_c_mctrl_reset(wlc_hw);
2064
2065 if (ai_get_cccaps(wlc_hw->sih) & CC_CAP_PMU)
2066 brcms_b_clkctl_clk(wlc_hw, BCMA_CLKMODE_FAST);
2067
2068 brcms_b_phy_reset(wlc_hw);
2069
2070
2071 brcms_b_core_phypll_ctl(wlc_hw, true);
2072
2073
2074 wlc_hw->wlc->macintstatus = 0;
2075
2076
2077 if (!fastclk)
2078 brcms_b_clkctl_clk(wlc_hw, BCMA_CLKMODE_DYNAMIC);
2079}
2080
2081
2082
2083
2084static void brcms_b_corerev_fifofixup(struct brcms_hardware *wlc_hw)
2085{
2086 struct bcma_device *core = wlc_hw->d11core;
2087 u16 fifo_nu;
2088 u16 txfifo_startblk = TXFIFO_START_BLK, txfifo_endblk;
2089 u16 txfifo_def, txfifo_def1;
2090 u16 txfifo_cmd;
2091
2092
2093 txfifo_startblk = TXFIFO_START_BLK;
2094
2095
2096 for (fifo_nu = 0; fifo_nu < NFIFO; fifo_nu++) {
2097
2098 txfifo_endblk = txfifo_startblk + wlc_hw->xmtfifo_sz[fifo_nu];
2099 txfifo_def = (txfifo_startblk & 0xff) |
2100 (((txfifo_endblk - 1) & 0xff) << TXFIFO_FIFOTOP_SHIFT);
2101 txfifo_def1 = ((txfifo_startblk >> 8) & 0x1) |
2102 ((((txfifo_endblk -
2103 1) >> 8) & 0x1) << TXFIFO_FIFOTOP_SHIFT);
2104 txfifo_cmd =
2105 TXFIFOCMD_RESET_MASK | (fifo_nu << TXFIFOCMD_FIFOSEL_SHIFT);
2106
2107 bcma_write16(core, D11REGOFFS(xmtfifocmd), txfifo_cmd);
2108 bcma_write16(core, D11REGOFFS(xmtfifodef), txfifo_def);
2109 bcma_write16(core, D11REGOFFS(xmtfifodef1), txfifo_def1);
2110
2111 bcma_write16(core, D11REGOFFS(xmtfifocmd), txfifo_cmd);
2112
2113 txfifo_startblk += wlc_hw->xmtfifo_sz[fifo_nu];
2114 }
2115
2116
2117
2118
2119 brcms_b_write_shm(wlc_hw, M_FIFOSIZE0,
2120 wlc_hw->xmtfifo_sz[TX_AC_BE_FIFO]);
2121 brcms_b_write_shm(wlc_hw, M_FIFOSIZE1,
2122 wlc_hw->xmtfifo_sz[TX_AC_VI_FIFO]);
2123 brcms_b_write_shm(wlc_hw, M_FIFOSIZE2,
2124 ((wlc_hw->xmtfifo_sz[TX_AC_VO_FIFO] << 8) | wlc_hw->
2125 xmtfifo_sz[TX_AC_BK_FIFO]));
2126 brcms_b_write_shm(wlc_hw, M_FIFOSIZE3,
2127 ((wlc_hw->xmtfifo_sz[TX_ATIM_FIFO] << 8) | wlc_hw->
2128 xmtfifo_sz[TX_BCMC_FIFO]));
2129}
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode)
2145{
2146 struct bcma_device *core = wlc_hw->d11core;
2147
2148 if ((ai_get_chip_id(wlc_hw->sih) == BCMA_CHIP_ID_BCM43224) ||
2149 (ai_get_chip_id(wlc_hw->sih) == BCMA_CHIP_ID_BCM43225)) {
2150 if (spurmode == WL_SPURAVOID_ON2) {
2151 bcma_write16(core, D11REGOFFS(tsf_clk_frac_l), 0x2082);
2152 bcma_write16(core, D11REGOFFS(tsf_clk_frac_h), 0x8);
2153 } else if (spurmode == WL_SPURAVOID_ON1) {
2154 bcma_write16(core, D11REGOFFS(tsf_clk_frac_l), 0x5341);
2155 bcma_write16(core, D11REGOFFS(tsf_clk_frac_h), 0x8);
2156 } else {
2157 bcma_write16(core, D11REGOFFS(tsf_clk_frac_l), 0x8889);
2158 bcma_write16(core, D11REGOFFS(tsf_clk_frac_h), 0x8);
2159 }
2160 } else if (BRCMS_ISLCNPHY(wlc_hw->band)) {
2161 if (spurmode == WL_SPURAVOID_ON1) {
2162 bcma_write16(core, D11REGOFFS(tsf_clk_frac_l), 0x7CE0);
2163 bcma_write16(core, D11REGOFFS(tsf_clk_frac_h), 0xC);
2164 } else {
2165 bcma_write16(core, D11REGOFFS(tsf_clk_frac_l), 0xCCCD);
2166 bcma_write16(core, D11REGOFFS(tsf_clk_frac_h), 0xC);
2167 }
2168 }
2169}
2170
2171void brcms_c_start_station(struct brcms_c_info *wlc, u8 *addr)
2172{
2173 memcpy(wlc->pub->cur_etheraddr, addr, sizeof(wlc->pub->cur_etheraddr));
2174 wlc->bsscfg->type = BRCMS_TYPE_STATION;
2175}
2176
2177void brcms_c_start_ap(struct brcms_c_info *wlc, u8 *addr, const u8 *bssid,
2178 u8 *ssid, size_t ssid_len)
2179{
2180 brcms_c_set_ssid(wlc, ssid, ssid_len);
2181
2182 memcpy(wlc->pub->cur_etheraddr, addr, sizeof(wlc->pub->cur_etheraddr));
2183 memcpy(wlc->bsscfg->BSSID, bssid, sizeof(wlc->bsscfg->BSSID));
2184 wlc->bsscfg->type = BRCMS_TYPE_AP;
2185
2186 brcms_b_mctrl(wlc->hw, MCTL_AP | MCTL_INFRA, MCTL_AP | MCTL_INFRA);
2187}
2188
2189void brcms_c_start_adhoc(struct brcms_c_info *wlc, u8 *addr)
2190{
2191 memcpy(wlc->pub->cur_etheraddr, addr, sizeof(wlc->pub->cur_etheraddr));
2192 wlc->bsscfg->type = BRCMS_TYPE_ADHOC;
2193
2194 brcms_b_mctrl(wlc->hw, MCTL_AP | MCTL_INFRA, 0);
2195}
2196
2197
2198static void brcms_c_gpio_init(struct brcms_c_info *wlc)
2199{
2200 struct brcms_hardware *wlc_hw = wlc->hw;
2201 u32 gc, gm;
2202
2203
2204 brcms_b_mctrl(wlc_hw, MCTL_GPOUT_SEL_MASK, 0);
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214 gc = gm = 0;
2215
2216
2217 if (wlc_hw->antsel_type == ANTSEL_2x3) {
2218
2219 brcms_b_mhf(wlc_hw, MHF3, MHF3_ANTSEL_EN,
2220 MHF3_ANTSEL_EN, BRCM_BAND_ALL);
2221 brcms_b_mhf(wlc_hw, MHF3, MHF3_ANTSEL_MODE,
2222 MHF3_ANTSEL_MODE, BRCM_BAND_ALL);
2223
2224
2225 wlc_phy_antsel_init(wlc_hw->band->pi, false);
2226
2227 } else if (wlc_hw->antsel_type == ANTSEL_2x4) {
2228 gm |= gc |= (BOARD_GPIO_12 | BOARD_GPIO_13);
2229
2230
2231
2232
2233 bcma_set16(wlc_hw->d11core, D11REGOFFS(psm_gpio_oe),
2234 (BOARD_GPIO_12 | BOARD_GPIO_13));
2235 bcma_set16(wlc_hw->d11core, D11REGOFFS(psm_gpio_out),
2236 (BOARD_GPIO_12 | BOARD_GPIO_13));
2237
2238
2239 brcms_b_mhf(wlc_hw, MHF3, MHF3_ANTSEL_EN,
2240 MHF3_ANTSEL_EN, BRCM_BAND_ALL);
2241 brcms_b_mhf(wlc_hw, MHF3, MHF3_ANTSEL_MODE, 0,
2242 BRCM_BAND_ALL);
2243
2244
2245 brcms_b_write_shm(wlc_hw, M_ANTSEL_CLKDIV,
2246 ANTSEL_CLKDIV_4MHZ);
2247 }
2248
2249
2250
2251
2252
2253 if (wlc_hw->boardflags & BFL_PACTRL)
2254 gm |= gc |= BOARD_GPIO_PACTRL;
2255
2256
2257 bcma_chipco_gpio_control(&wlc_hw->d11core->bus->drv_cc, gm, gc);
2258}
2259
2260static void brcms_ucode_write(struct brcms_hardware *wlc_hw,
2261 const __le32 ucode[], const size_t nbytes)
2262{
2263 struct bcma_device *core = wlc_hw->d11core;
2264 uint i;
2265 uint count;
2266
2267 brcms_dbg_info(wlc_hw->d11core, "wl%d\n", wlc_hw->unit);
2268
2269 count = (nbytes / sizeof(u32));
2270
2271 bcma_write32(core, D11REGOFFS(objaddr),
2272 OBJADDR_AUTO_INC | OBJADDR_UCM_SEL);
2273 (void)bcma_read32(core, D11REGOFFS(objaddr));
2274 for (i = 0; i < count; i++)
2275 bcma_write32(core, D11REGOFFS(objdata), le32_to_cpu(ucode[i]));
2276
2277}
2278
2279static void brcms_ucode_download(struct brcms_hardware *wlc_hw)
2280{
2281 struct brcms_c_info *wlc;
2282 struct brcms_ucode *ucode = &wlc_hw->wlc->wl->ucode;
2283
2284 wlc = wlc_hw->wlc;
2285
2286 if (wlc_hw->ucode_loaded)
2287 return;
2288
2289 if (D11REV_IS(wlc_hw->corerev, 17) || D11REV_IS(wlc_hw->corerev, 23)) {
2290 if (BRCMS_ISNPHY(wlc_hw->band)) {
2291 brcms_ucode_write(wlc_hw, ucode->bcm43xx_16_mimo,
2292 ucode->bcm43xx_16_mimosz);
2293 wlc_hw->ucode_loaded = true;
2294 } else
2295 brcms_err(wlc_hw->d11core,
2296 "%s: wl%d: unsupported phy in corerev %d\n",
2297 __func__, wlc_hw->unit, wlc_hw->corerev);
2298 } else if (D11REV_IS(wlc_hw->corerev, 24)) {
2299 if (BRCMS_ISLCNPHY(wlc_hw->band)) {
2300 brcms_ucode_write(wlc_hw, ucode->bcm43xx_24_lcn,
2301 ucode->bcm43xx_24_lcnsz);
2302 wlc_hw->ucode_loaded = true;
2303 } else {
2304 brcms_err(wlc_hw->d11core,
2305 "%s: wl%d: unsupported phy in corerev %d\n",
2306 __func__, wlc_hw->unit, wlc_hw->corerev);
2307 }
2308 }
2309}
2310
2311void brcms_b_txant_set(struct brcms_hardware *wlc_hw, u16 phytxant)
2312{
2313
2314 wlc_hw->bmac_phytxant = phytxant;
2315
2316
2317 if (!wlc_hw->up)
2318 return;
2319 brcms_c_ucode_txant_set(wlc_hw);
2320
2321}
2322
2323u16 brcms_b_get_txant(struct brcms_hardware *wlc_hw)
2324{
2325 return (u16) wlc_hw->wlc->stf->txant;
2326}
2327
2328void brcms_b_antsel_type_set(struct brcms_hardware *wlc_hw, u8 antsel_type)
2329{
2330 wlc_hw->antsel_type = antsel_type;
2331
2332
2333 wlc_phy_antsel_type_set(wlc_hw->band->pi, antsel_type);
2334}
2335
2336static void brcms_b_fifoerrors(struct brcms_hardware *wlc_hw)
2337{
2338 bool fatal = false;
2339 uint unit;
2340 uint intstatus, idx;
2341 struct bcma_device *core = wlc_hw->d11core;
2342
2343 unit = wlc_hw->unit;
2344
2345 for (idx = 0; idx < NFIFO; idx++) {
2346
2347 intstatus =
2348 bcma_read32(core,
2349 D11REGOFFS(intctrlregs[idx].intstatus)) &
2350 I_ERRORS;
2351 if (!intstatus)
2352 continue;
2353
2354 brcms_dbg_int(core, "wl%d: intstatus%d 0x%x\n",
2355 unit, idx, intstatus);
2356
2357 if (intstatus & I_RO) {
2358 brcms_err(core, "wl%d: fifo %d: receive fifo "
2359 "overflow\n", unit, idx);
2360 fatal = true;
2361 }
2362
2363 if (intstatus & I_PC) {
2364 brcms_err(core, "wl%d: fifo %d: descriptor error\n",
2365 unit, idx);
2366 fatal = true;
2367 }
2368
2369 if (intstatus & I_PD) {
2370 brcms_err(core, "wl%d: fifo %d: data error\n", unit,
2371 idx);
2372 fatal = true;
2373 }
2374
2375 if (intstatus & I_DE) {
2376 brcms_err(core, "wl%d: fifo %d: descriptor protocol "
2377 "error\n", unit, idx);
2378 fatal = true;
2379 }
2380
2381 if (intstatus & I_RU)
2382 brcms_err(core, "wl%d: fifo %d: receive descriptor "
2383 "underflow\n", idx, unit);
2384
2385 if (intstatus & I_XU) {
2386 brcms_err(core, "wl%d: fifo %d: transmit fifo "
2387 "underflow\n", idx, unit);
2388 fatal = true;
2389 }
2390
2391 if (fatal) {
2392 brcms_fatal_error(wlc_hw->wlc->wl);
2393 break;
2394 } else
2395 bcma_write32(core,
2396 D11REGOFFS(intctrlregs[idx].intstatus),
2397 intstatus);
2398 }
2399}
2400
2401void brcms_c_intrson(struct brcms_c_info *wlc)
2402{
2403 struct brcms_hardware *wlc_hw = wlc->hw;
2404 wlc->macintmask = wlc->defmacintmask;
2405 bcma_write32(wlc_hw->d11core, D11REGOFFS(macintmask), wlc->macintmask);
2406}
2407
2408u32 brcms_c_intrsoff(struct brcms_c_info *wlc)
2409{
2410 struct brcms_hardware *wlc_hw = wlc->hw;
2411 u32 macintmask;
2412
2413 if (!wlc_hw->clk)
2414 return 0;
2415
2416 macintmask = wlc->macintmask;
2417
2418 bcma_write32(wlc_hw->d11core, D11REGOFFS(macintmask), 0);
2419 (void)bcma_read32(wlc_hw->d11core, D11REGOFFS(macintmask));
2420 udelay(1);
2421 wlc->macintmask = 0;
2422
2423
2424 return wlc->macintstatus ? 0 : macintmask;
2425}
2426
2427void brcms_c_intrsrestore(struct brcms_c_info *wlc, u32 macintmask)
2428{
2429 struct brcms_hardware *wlc_hw = wlc->hw;
2430 if (!wlc_hw->clk)
2431 return;
2432
2433 wlc->macintmask = macintmask;
2434 bcma_write32(wlc_hw->d11core, D11REGOFFS(macintmask), wlc->macintmask);
2435}
2436
2437
2438static void brcms_b_tx_fifo_suspend(struct brcms_hardware *wlc_hw,
2439 uint tx_fifo)
2440{
2441 u8 fifo = 1 << tx_fifo;
2442
2443
2444
2445
2446 if ((wlc_hw->suspended_fifos & fifo) == fifo)
2447 return;
2448
2449
2450 if (wlc_hw->suspended_fifos == 0)
2451 brcms_c_ucode_wake_override_set(wlc_hw,
2452 BRCMS_WAKE_OVERRIDE_TXFIFO);
2453
2454 wlc_hw->suspended_fifos |= fifo;
2455
2456 if (wlc_hw->di[tx_fifo]) {
2457
2458
2459
2460
2461
2462 if (BRCMS_PHY_11N_CAP(wlc_hw->band))
2463 brcms_c_suspend_mac_and_wait(wlc_hw->wlc);
2464
2465 dma_txsuspend(wlc_hw->di[tx_fifo]);
2466
2467 if (BRCMS_PHY_11N_CAP(wlc_hw->band))
2468 brcms_c_enable_mac(wlc_hw->wlc);
2469 }
2470}
2471
2472static void brcms_b_tx_fifo_resume(struct brcms_hardware *wlc_hw,
2473 uint tx_fifo)
2474{
2475
2476
2477
2478
2479
2480 if (wlc_hw->di[tx_fifo])
2481 dma_txresume(wlc_hw->di[tx_fifo]);
2482
2483
2484 if (wlc_hw->suspended_fifos == 0)
2485 return;
2486 else {
2487 wlc_hw->suspended_fifos &= ~(1 << tx_fifo);
2488 if (wlc_hw->suspended_fifos == 0)
2489 brcms_c_ucode_wake_override_clear(wlc_hw,
2490 BRCMS_WAKE_OVERRIDE_TXFIFO);
2491 }
2492}
2493
2494
2495static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool mute_tx)
2496{
2497 static const u8 null_ether_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
2498 u8 *ethaddr = wlc_hw->wlc->pub->cur_etheraddr;
2499
2500 if (mute_tx) {
2501
2502 brcms_b_tx_fifo_suspend(wlc_hw, TX_DATA_FIFO);
2503 brcms_b_tx_fifo_suspend(wlc_hw, TX_CTL_FIFO);
2504 brcms_b_tx_fifo_suspend(wlc_hw, TX_AC_BK_FIFO);
2505 brcms_b_tx_fifo_suspend(wlc_hw, TX_AC_VI_FIFO);
2506
2507
2508 brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET, null_ether_addr);
2509 } else {
2510
2511 brcms_b_tx_fifo_resume(wlc_hw, TX_DATA_FIFO);
2512 brcms_b_tx_fifo_resume(wlc_hw, TX_CTL_FIFO);
2513 brcms_b_tx_fifo_resume(wlc_hw, TX_AC_BK_FIFO);
2514 brcms_b_tx_fifo_resume(wlc_hw, TX_AC_VI_FIFO);
2515
2516
2517 brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET, ethaddr);
2518 }
2519
2520 wlc_phy_mute_upd(wlc_hw->band->pi, mute_tx, 0);
2521
2522 if (mute_tx)
2523 brcms_c_ucode_mute_override_set(wlc_hw);
2524 else
2525 brcms_c_ucode_mute_override_clear(wlc_hw);
2526}
2527
2528void
2529brcms_c_mute(struct brcms_c_info *wlc, bool mute_tx)
2530{
2531 brcms_b_mute(wlc->hw, mute_tx);
2532}
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542static inline u32 wlc_intstatus(struct brcms_c_info *wlc, bool in_isr)
2543{
2544 struct brcms_hardware *wlc_hw = wlc->hw;
2545 struct bcma_device *core = wlc_hw->d11core;
2546 u32 macintstatus, mask;
2547
2548
2549 macintstatus = bcma_read32(core, D11REGOFFS(macintstatus));
2550 mask = in_isr ? wlc->macintmask : wlc->defmacintmask;
2551
2552 trace_brcms_macintstatus(&core->dev, in_isr, macintstatus, mask);
2553
2554
2555 if (brcms_deviceremoved(wlc))
2556 return -1;
2557
2558
2559
2560
2561 if (macintstatus == 0xffffffff)
2562 return 0;
2563
2564
2565 macintstatus &= mask;
2566
2567
2568 if (macintstatus == 0)
2569 return 0;
2570
2571
2572 bcma_write32(core, D11REGOFFS(macintmask), 0);
2573 (void)bcma_read32(core, D11REGOFFS(macintmask));
2574 wlc->macintmask = 0;
2575
2576
2577 bcma_write32(core, D11REGOFFS(macintstatus), macintstatus);
2578
2579
2580 if (macintstatus & MI_DMAINT)
2581
2582
2583
2584
2585
2586 bcma_write32(core, D11REGOFFS(intctrlregs[RX_FIFO].intstatus),
2587 DEF_RXINTMASK);
2588
2589 return macintstatus;
2590}
2591
2592
2593
2594bool brcms_c_intrsupd(struct brcms_c_info *wlc)
2595{
2596 u32 macintstatus;
2597
2598
2599 macintstatus = wlc_intstatus(wlc, false);
2600
2601
2602 if (macintstatus == 0xffffffff)
2603 return false;
2604
2605
2606 wlc->macintstatus |= macintstatus;
2607
2608 return true;
2609}
2610
2611
2612
2613
2614
2615
2616
2617bool brcms_c_isr(struct brcms_c_info *wlc)
2618{
2619 struct brcms_hardware *wlc_hw = wlc->hw;
2620 u32 macintstatus;
2621
2622 if (!wlc_hw->up || !wlc->macintmask)
2623 return false;
2624
2625
2626 macintstatus = wlc_intstatus(wlc, true);
2627
2628 if (macintstatus == 0xffffffff) {
2629 brcms_err(wlc_hw->d11core,
2630 "DEVICEREMOVED detected in the ISR code path\n");
2631 return false;
2632 }
2633
2634
2635 if (macintstatus == 0)
2636 return false;
2637
2638
2639 wlc->macintstatus = macintstatus;
2640
2641 return true;
2642
2643}
2644
2645void brcms_c_suspend_mac_and_wait(struct brcms_c_info *wlc)
2646{
2647 struct brcms_hardware *wlc_hw = wlc->hw;
2648 struct bcma_device *core = wlc_hw->d11core;
2649 u32 mc, mi;
2650
2651 brcms_dbg_mac80211(core, "wl%d: bandunit %d\n", wlc_hw->unit,
2652 wlc_hw->band->bandunit);
2653
2654
2655
2656
2657 wlc_hw->mac_suspend_depth++;
2658 if (wlc_hw->mac_suspend_depth > 1)
2659 return;
2660
2661
2662 brcms_c_ucode_wake_override_set(wlc_hw, BRCMS_WAKE_OVERRIDE_MACSUSPEND);
2663
2664 mc = bcma_read32(core, D11REGOFFS(maccontrol));
2665
2666 if (mc == 0xffffffff) {
2667 brcms_err(core, "wl%d: %s: dead chip\n", wlc_hw->unit,
2668 __func__);
2669 brcms_down(wlc->wl);
2670 return;
2671 }
2672 WARN_ON(mc & MCTL_PSM_JMP_0);
2673 WARN_ON(!(mc & MCTL_PSM_RUN));
2674 WARN_ON(!(mc & MCTL_EN_MAC));
2675
2676 mi = bcma_read32(core, D11REGOFFS(macintstatus));
2677 if (mi == 0xffffffff) {
2678 brcms_err(core, "wl%d: %s: dead chip\n", wlc_hw->unit,
2679 __func__);
2680 brcms_down(wlc->wl);
2681 return;
2682 }
2683 WARN_ON(mi & MI_MACSSPNDD);
2684
2685 brcms_b_mctrl(wlc_hw, MCTL_EN_MAC, 0);
2686
2687 SPINWAIT(!(bcma_read32(core, D11REGOFFS(macintstatus)) & MI_MACSSPNDD),
2688 BRCMS_MAX_MAC_SUSPEND);
2689
2690 if (!(bcma_read32(core, D11REGOFFS(macintstatus)) & MI_MACSSPNDD)) {
2691 brcms_err(core, "wl%d: wlc_suspend_mac_and_wait: waited %d uS"
2692 " and MI_MACSSPNDD is still not on.\n",
2693 wlc_hw->unit, BRCMS_MAX_MAC_SUSPEND);
2694 brcms_err(core, "wl%d: psmdebug 0x%08x, phydebug 0x%08x, "
2695 "psm_brc 0x%04x\n", wlc_hw->unit,
2696 bcma_read32(core, D11REGOFFS(psmdebug)),
2697 bcma_read32(core, D11REGOFFS(phydebug)),
2698 bcma_read16(core, D11REGOFFS(psm_brc)));
2699 }
2700
2701 mc = bcma_read32(core, D11REGOFFS(maccontrol));
2702 if (mc == 0xffffffff) {
2703 brcms_err(core, "wl%d: %s: dead chip\n", wlc_hw->unit,
2704 __func__);
2705 brcms_down(wlc->wl);
2706 return;
2707 }
2708 WARN_ON(mc & MCTL_PSM_JMP_0);
2709 WARN_ON(!(mc & MCTL_PSM_RUN));
2710 WARN_ON(mc & MCTL_EN_MAC);
2711}
2712
2713void brcms_c_enable_mac(struct brcms_c_info *wlc)
2714{
2715 struct brcms_hardware *wlc_hw = wlc->hw;
2716 struct bcma_device *core = wlc_hw->d11core;
2717 u32 mc, mi;
2718
2719 brcms_dbg_mac80211(core, "wl%d: bandunit %d\n", wlc_hw->unit,
2720 wlc->band->bandunit);
2721
2722
2723
2724
2725 wlc_hw->mac_suspend_depth--;
2726 if (wlc_hw->mac_suspend_depth > 0)
2727 return;
2728
2729 mc = bcma_read32(core, D11REGOFFS(maccontrol));
2730 WARN_ON(mc & MCTL_PSM_JMP_0);
2731 WARN_ON(mc & MCTL_EN_MAC);
2732 WARN_ON(!(mc & MCTL_PSM_RUN));
2733
2734 brcms_b_mctrl(wlc_hw, MCTL_EN_MAC, MCTL_EN_MAC);
2735 bcma_write32(core, D11REGOFFS(macintstatus), MI_MACSSPNDD);
2736
2737 mc = bcma_read32(core, D11REGOFFS(maccontrol));
2738 WARN_ON(mc & MCTL_PSM_JMP_0);
2739 WARN_ON(!(mc & MCTL_EN_MAC));
2740 WARN_ON(!(mc & MCTL_PSM_RUN));
2741
2742 mi = bcma_read32(core, D11REGOFFS(macintstatus));
2743 WARN_ON(mi & MI_MACSSPNDD);
2744
2745 brcms_c_ucode_wake_override_clear(wlc_hw,
2746 BRCMS_WAKE_OVERRIDE_MACSUSPEND);
2747}
2748
2749void brcms_b_band_stf_ss_set(struct brcms_hardware *wlc_hw, u8 stf_mode)
2750{
2751 wlc_hw->hw_stf_ss_opmode = stf_mode;
2752
2753 if (wlc_hw->clk)
2754 brcms_upd_ofdm_pctl1_table(wlc_hw);
2755}
2756
2757static bool brcms_b_validate_chip_access(struct brcms_hardware *wlc_hw)
2758{
2759 struct bcma_device *core = wlc_hw->d11core;
2760 u32 w, val;
2761 struct wiphy *wiphy = wlc_hw->wlc->wiphy;
2762
2763
2764
2765 bcma_write32(core, D11REGOFFS(objaddr), OBJADDR_SHM_SEL | 0);
2766 (void)bcma_read32(core, D11REGOFFS(objaddr));
2767 w = bcma_read32(core, D11REGOFFS(objdata));
2768
2769
2770 bcma_write32(core, D11REGOFFS(objaddr), OBJADDR_SHM_SEL | 0);
2771 (void)bcma_read32(core, D11REGOFFS(objaddr));
2772 bcma_write32(core, D11REGOFFS(objdata), (u32) 0xaa5555aa);
2773
2774 bcma_write32(core, D11REGOFFS(objaddr), OBJADDR_SHM_SEL | 0);
2775 (void)bcma_read32(core, D11REGOFFS(objaddr));
2776 val = bcma_read32(core, D11REGOFFS(objdata));
2777 if (val != (u32) 0xaa5555aa) {
2778 wiphy_err(wiphy, "wl%d: validate_chip_access: SHM = 0x%x, "
2779 "expected 0xaa5555aa\n", wlc_hw->unit, val);
2780 return false;
2781 }
2782
2783 bcma_write32(core, D11REGOFFS(objaddr), OBJADDR_SHM_SEL | 0);
2784 (void)bcma_read32(core, D11REGOFFS(objaddr));
2785 bcma_write32(core, D11REGOFFS(objdata), (u32) 0x55aaaa55);
2786
2787 bcma_write32(core, D11REGOFFS(objaddr), OBJADDR_SHM_SEL | 0);
2788 (void)bcma_read32(core, D11REGOFFS(objaddr));
2789 val = bcma_read32(core, D11REGOFFS(objdata));
2790 if (val != (u32) 0x55aaaa55) {
2791 wiphy_err(wiphy, "wl%d: validate_chip_access: SHM = 0x%x, "
2792 "expected 0x55aaaa55\n", wlc_hw->unit, val);
2793 return false;
2794 }
2795
2796 bcma_write32(core, D11REGOFFS(objaddr), OBJADDR_SHM_SEL | 0);
2797 (void)bcma_read32(core, D11REGOFFS(objaddr));
2798 bcma_write32(core, D11REGOFFS(objdata), w);
2799
2800
2801 bcma_write32(core, D11REGOFFS(tsf_cfpstart), 0);
2802
2803 w = bcma_read32(core, D11REGOFFS(maccontrol));
2804 if ((w != (MCTL_IHR_EN | MCTL_WAKE)) &&
2805 (w != (MCTL_IHR_EN | MCTL_GMODE | MCTL_WAKE))) {
2806 wiphy_err(wiphy, "wl%d: validate_chip_access: maccontrol = "
2807 "0x%x, expected 0x%x or 0x%x\n", wlc_hw->unit, w,
2808 (MCTL_IHR_EN | MCTL_WAKE),
2809 (MCTL_IHR_EN | MCTL_GMODE | MCTL_WAKE));
2810 return false;
2811 }
2812
2813 return true;
2814}
2815
2816#define PHYPLL_WAIT_US 100000
2817
2818void brcms_b_core_phypll_ctl(struct brcms_hardware *wlc_hw, bool on)
2819{
2820 struct bcma_device *core = wlc_hw->d11core;
2821 u32 tmp;
2822
2823 brcms_dbg_info(core, "wl%d\n", wlc_hw->unit);
2824
2825 tmp = 0;
2826
2827 if (on) {
2828 if ((ai_get_chip_id(wlc_hw->sih) == BCMA_CHIP_ID_BCM4313)) {
2829 bcma_set32(core, D11REGOFFS(clk_ctl_st),
2830 CCS_ERSRC_REQ_HT |
2831 CCS_ERSRC_REQ_D11PLL |
2832 CCS_ERSRC_REQ_PHYPLL);
2833 SPINWAIT((bcma_read32(core, D11REGOFFS(clk_ctl_st)) &
2834 CCS_ERSRC_AVAIL_HT) != CCS_ERSRC_AVAIL_HT,
2835 PHYPLL_WAIT_US);
2836
2837 tmp = bcma_read32(core, D11REGOFFS(clk_ctl_st));
2838 if ((tmp & CCS_ERSRC_AVAIL_HT) != CCS_ERSRC_AVAIL_HT)
2839 brcms_err(core, "%s: turn on PHY PLL failed\n",
2840 __func__);
2841 } else {
2842 bcma_set32(core, D11REGOFFS(clk_ctl_st),
2843 tmp | CCS_ERSRC_REQ_D11PLL |
2844 CCS_ERSRC_REQ_PHYPLL);
2845 SPINWAIT((bcma_read32(core, D11REGOFFS(clk_ctl_st)) &
2846 (CCS_ERSRC_AVAIL_D11PLL |
2847 CCS_ERSRC_AVAIL_PHYPLL)) !=
2848 (CCS_ERSRC_AVAIL_D11PLL |
2849 CCS_ERSRC_AVAIL_PHYPLL), PHYPLL_WAIT_US);
2850
2851 tmp = bcma_read32(core, D11REGOFFS(clk_ctl_st));
2852 if ((tmp &
2853 (CCS_ERSRC_AVAIL_D11PLL | CCS_ERSRC_AVAIL_PHYPLL))
2854 !=
2855 (CCS_ERSRC_AVAIL_D11PLL | CCS_ERSRC_AVAIL_PHYPLL))
2856 brcms_err(core, "%s: turn on PHY PLL failed\n",
2857 __func__);
2858 }
2859 } else {
2860
2861
2862
2863
2864
2865 bcma_mask32(core, D11REGOFFS(clk_ctl_st),
2866 ~CCS_ERSRC_REQ_PHYPLL);
2867 (void)bcma_read32(core, D11REGOFFS(clk_ctl_st));
2868 }
2869}
2870
2871static void brcms_c_coredisable(struct brcms_hardware *wlc_hw)
2872{
2873 bool dev_gone;
2874
2875 brcms_dbg_info(wlc_hw->d11core, "wl%d: disable core\n", wlc_hw->unit);
2876
2877 dev_gone = brcms_deviceremoved(wlc_hw->wlc);
2878
2879 if (dev_gone)
2880 return;
2881
2882 if (wlc_hw->noreset)
2883 return;
2884
2885
2886 wlc_phy_switch_radio(wlc_hw->band->pi, OFF);
2887
2888
2889 wlc_phy_anacore(wlc_hw->band->pi, OFF);
2890
2891
2892 brcms_b_core_phypll_ctl(wlc_hw, false);
2893
2894 wlc_hw->clk = false;
2895 bcma_core_disable(wlc_hw->d11core, 0);
2896 wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, false);
2897}
2898
2899static void brcms_c_flushqueues(struct brcms_c_info *wlc)
2900{
2901 struct brcms_hardware *wlc_hw = wlc->hw;
2902 uint i;
2903
2904
2905 for (i = 0; i < NFIFO; i++) {
2906 if (wlc_hw->di[i]) {
2907 dma_txreclaim(wlc_hw->di[i], DMA_RANGE_ALL);
2908 if (i < TX_BCMC_FIFO)
2909 ieee80211_wake_queue(wlc->pub->ieee_hw,
2910 brcms_fifo_to_ac(i));
2911 }
2912 }
2913
2914
2915 dma_rxreclaim(wlc_hw->di[RX_FIFO]);
2916}
2917
2918static u16
2919brcms_b_read_objmem(struct brcms_hardware *wlc_hw, uint offset, u32 sel)
2920{
2921 struct bcma_device *core = wlc_hw->d11core;
2922 u16 objoff = D11REGOFFS(objdata);
2923
2924 bcma_write32(core, D11REGOFFS(objaddr), sel | (offset >> 2));
2925 (void)bcma_read32(core, D11REGOFFS(objaddr));
2926 if (offset & 2)
2927 objoff += 2;
2928
2929 return bcma_read16(core, objoff);
2930}
2931
2932static void
2933brcms_b_write_objmem(struct brcms_hardware *wlc_hw, uint offset, u16 v,
2934 u32 sel)
2935{
2936 struct bcma_device *core = wlc_hw->d11core;
2937 u16 objoff = D11REGOFFS(objdata);
2938
2939 bcma_write32(core, D11REGOFFS(objaddr), sel | (offset >> 2));
2940 (void)bcma_read32(core, D11REGOFFS(objaddr));
2941 if (offset & 2)
2942 objoff += 2;
2943
2944 bcma_wflush16(core, objoff, v);
2945}
2946
2947
2948
2949
2950
2951u16 brcms_b_read_shm(struct brcms_hardware *wlc_hw, uint offset)
2952{
2953 return brcms_b_read_objmem(wlc_hw, offset, OBJADDR_SHM_SEL);
2954}
2955
2956
2957
2958
2959
2960void brcms_b_write_shm(struct brcms_hardware *wlc_hw, uint offset, u16 v)
2961{
2962 brcms_b_write_objmem(wlc_hw, offset, v, OBJADDR_SHM_SEL);
2963}
2964
2965
2966
2967
2968
2969
2970
2971void
2972brcms_b_copyto_objmem(struct brcms_hardware *wlc_hw, uint offset,
2973 const void *buf, int len, u32 sel)
2974{
2975 u16 v;
2976 const u8 *p = (const u8 *)buf;
2977 int i;
2978
2979 if (len <= 0 || (offset & 1) || (len & 1))
2980 return;
2981
2982 for (i = 0; i < len; i += 2) {
2983 v = p[i] | (p[i + 1] << 8);
2984 brcms_b_write_objmem(wlc_hw, offset + i, v, sel);
2985 }
2986}
2987
2988
2989
2990
2991
2992
2993
2994void
2995brcms_b_copyfrom_objmem(struct brcms_hardware *wlc_hw, uint offset, void *buf,
2996 int len, u32 sel)
2997{
2998 u16 v;
2999 u8 *p = (u8 *) buf;
3000 int i;
3001
3002 if (len <= 0 || (offset & 1) || (len & 1))
3003 return;
3004
3005 for (i = 0; i < len; i += 2) {
3006 v = brcms_b_read_objmem(wlc_hw, offset + i, sel);
3007 p[i] = v & 0xFF;
3008 p[i + 1] = (v >> 8) & 0xFF;
3009 }
3010}
3011
3012
3013
3014
3015
3016static void brcms_c_copyto_shm(struct brcms_c_info *wlc, uint offset,
3017 const void *buf, int len)
3018{
3019 brcms_b_copyto_objmem(wlc->hw, offset, buf, len, OBJADDR_SHM_SEL);
3020}
3021
3022static void brcms_b_retrylimit_upd(struct brcms_hardware *wlc_hw,
3023 u16 SRL, u16 LRL)
3024{
3025 wlc_hw->SRL = SRL;
3026 wlc_hw->LRL = LRL;
3027
3028
3029 if (wlc_hw->up) {
3030 bcma_write32(wlc_hw->d11core, D11REGOFFS(objaddr),
3031 OBJADDR_SCR_SEL | S_DOT11_SRC_LMT);
3032 (void)bcma_read32(wlc_hw->d11core, D11REGOFFS(objaddr));
3033 bcma_write32(wlc_hw->d11core, D11REGOFFS(objdata), wlc_hw->SRL);
3034 bcma_write32(wlc_hw->d11core, D11REGOFFS(objaddr),
3035 OBJADDR_SCR_SEL | S_DOT11_LRC_LMT);
3036 (void)bcma_read32(wlc_hw->d11core, D11REGOFFS(objaddr));
3037 bcma_write32(wlc_hw->d11core, D11REGOFFS(objdata), wlc_hw->LRL);
3038 }
3039}
3040
3041static void brcms_b_pllreq(struct brcms_hardware *wlc_hw, bool set, u32 req_bit)
3042{
3043 if (set) {
3044 if (mboolisset(wlc_hw->pllreq, req_bit))
3045 return;
3046
3047 mboolset(wlc_hw->pllreq, req_bit);
3048
3049 if (mboolisset(wlc_hw->pllreq, BRCMS_PLLREQ_FLIP)) {
3050 if (!wlc_hw->sbclk)
3051 brcms_b_xtal(wlc_hw, ON);
3052 }
3053 } else {
3054 if (!mboolisset(wlc_hw->pllreq, req_bit))
3055 return;
3056
3057 mboolclr(wlc_hw->pllreq, req_bit);
3058
3059 if (mboolisset(wlc_hw->pllreq, BRCMS_PLLREQ_FLIP)) {
3060 if (wlc_hw->sbclk)
3061 brcms_b_xtal(wlc_hw, OFF);
3062 }
3063 }
3064}
3065
3066static void brcms_b_antsel_set(struct brcms_hardware *wlc_hw, u32 antsel_avail)
3067{
3068 wlc_hw->antsel_avail = antsel_avail;
3069}
3070
3071
3072
3073
3074
3075static bool brcms_c_ps_allowed(struct brcms_c_info *wlc)
3076{
3077
3078 return false;
3079}
3080
3081static void brcms_c_statsupd(struct brcms_c_info *wlc)
3082{
3083 int i;
3084 struct macstat *macstats;
3085#ifdef DEBUG
3086 u16 delta;
3087 u16 rxf0ovfl;
3088 u16 txfunfl[NFIFO];
3089#endif
3090
3091
3092 if (!wlc->pub->up)
3093 return;
3094
3095 macstats = wlc->core->macstat_snapshot;
3096
3097#ifdef DEBUG
3098
3099 rxf0ovfl = macstats->rxf0ovfl;
3100
3101
3102 for (i = 0; i < NFIFO; i++)
3103 txfunfl[i] = macstats->txfunfl[i];
3104#endif
3105
3106
3107 brcms_b_copyfrom_objmem(wlc->hw, M_UCODE_MACSTAT, macstats,
3108 sizeof(*macstats), OBJADDR_SHM_SEL);
3109
3110#ifdef DEBUG
3111
3112 delta = (u16)(macstats->rxf0ovfl - rxf0ovfl);
3113 if (delta)
3114 brcms_err(wlc->hw->d11core, "wl%d: %u rx fifo 0 overflows!\n",
3115 wlc->pub->unit, delta);
3116
3117
3118 for (i = 0; i < NFIFO; i++) {
3119 delta = macstats->txfunfl[i] - txfunfl[i];
3120 if (delta)
3121 brcms_err(wlc->hw->d11core,
3122 "wl%d: %u tx fifo %d underflows!\n",
3123 wlc->pub->unit, delta, i);
3124 }
3125#endif
3126
3127
3128 for (i = 0; i < NFIFO; i++) {
3129 if (wlc->hw->di[i])
3130 dma_counterreset(wlc->hw->di[i]);
3131 }
3132}
3133
3134static void brcms_b_reset(struct brcms_hardware *wlc_hw)
3135{
3136
3137 if (!brcms_deviceremoved(wlc_hw->wlc))
3138 brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS);
3139
3140
3141 brcms_c_flushqueues(wlc_hw->wlc);
3142}
3143
3144void brcms_c_reset(struct brcms_c_info *wlc)
3145{
3146 brcms_dbg_info(wlc->hw->d11core, "wl%d\n", wlc->pub->unit);
3147
3148
3149 brcms_c_statsupd(wlc);
3150
3151
3152 memset(wlc->core->macstat_snapshot, 0, sizeof(struct macstat));
3153
3154 brcms_b_reset(wlc->hw);
3155}
3156
3157void brcms_c_init_scb(struct scb *scb)
3158{
3159 int i;
3160
3161 memset(scb, 0, sizeof(struct scb));
3162 scb->flags = SCB_WMECAP | SCB_HTCAP;
3163 for (i = 0; i < NUMPRIO; i++) {
3164 scb->seqnum[i] = 0;
3165 scb->seqctl[i] = 0xFFFF;
3166 }
3167
3168 scb->seqctl_nonqos = 0xFFFF;
3169 scb->magic = SCB_MAGIC;
3170}
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180static void brcms_b_coreinit(struct brcms_c_info *wlc)
3181{
3182 struct brcms_hardware *wlc_hw = wlc->hw;
3183 struct bcma_device *core = wlc_hw->d11core;
3184 u32 sflags;
3185 u32 bcnint_us;
3186 uint i = 0;
3187 bool fifosz_fixup = false;
3188 int err = 0;
3189 u16 buf[NFIFO];
3190 struct brcms_ucode *ucode = &wlc_hw->wlc->wl->ucode;
3191
3192 brcms_dbg_info(core, "wl%d: core init\n", wlc_hw->unit);
3193
3194
3195 brcms_b_mctrl(wlc_hw, ~0, (MCTL_IHR_EN | MCTL_PSM_JMP_0 | MCTL_WAKE));
3196
3197 brcms_ucode_download(wlc_hw);
3198
3199
3200
3201 fifosz_fixup = true;
3202
3203
3204 bcma_write32(core, D11REGOFFS(macintstatus), -1);
3205 brcms_b_mctrl(wlc_hw, ~0,
3206 (MCTL_IHR_EN | MCTL_INFRA | MCTL_PSM_RUN | MCTL_WAKE));
3207
3208
3209 SPINWAIT(((bcma_read32(core, D11REGOFFS(macintstatus)) &
3210 MI_MACSSPNDD) == 0), 1000 * 1000);
3211 if ((bcma_read32(core, D11REGOFFS(macintstatus)) & MI_MACSSPNDD) == 0)
3212 brcms_err(core, "wl%d: wlc_coreinit: ucode did not self-"
3213 "suspend!\n", wlc_hw->unit);
3214
3215 brcms_c_gpio_init(wlc);
3216
3217 sflags = bcma_aread32(core, BCMA_IOST);
3218
3219 if (D11REV_IS(wlc_hw->corerev, 17) || D11REV_IS(wlc_hw->corerev, 23)) {
3220 if (BRCMS_ISNPHY(wlc_hw->band))
3221 brcms_c_write_inits(wlc_hw, ucode->d11n0initvals16);
3222 else
3223 brcms_err(core, "%s: wl%d: unsupported phy in corerev"
3224 " %d\n", __func__, wlc_hw->unit,
3225 wlc_hw->corerev);
3226 } else if (D11REV_IS(wlc_hw->corerev, 24)) {
3227 if (BRCMS_ISLCNPHY(wlc_hw->band))
3228 brcms_c_write_inits(wlc_hw, ucode->d11lcn0initvals24);
3229 else
3230 brcms_err(core, "%s: wl%d: unsupported phy in corerev"
3231 " %d\n", __func__, wlc_hw->unit,
3232 wlc_hw->corerev);
3233 } else {
3234 brcms_err(core, "%s: wl%d: unsupported corerev %d\n",
3235 __func__, wlc_hw->unit, wlc_hw->corerev);
3236 }
3237
3238
3239 if (fifosz_fixup)
3240 brcms_b_corerev_fifofixup(wlc_hw);
3241
3242
3243 buf[TX_AC_BE_FIFO] = brcms_b_read_shm(wlc_hw, M_FIFOSIZE0);
3244 if (buf[TX_AC_BE_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_BE_FIFO]) {
3245 i = TX_AC_BE_FIFO;
3246 err = -1;
3247 }
3248 buf[TX_AC_VI_FIFO] = brcms_b_read_shm(wlc_hw, M_FIFOSIZE1);
3249 if (buf[TX_AC_VI_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_VI_FIFO]) {
3250 i = TX_AC_VI_FIFO;
3251 err = -1;
3252 }
3253 buf[TX_AC_BK_FIFO] = brcms_b_read_shm(wlc_hw, M_FIFOSIZE2);
3254 buf[TX_AC_VO_FIFO] = (buf[TX_AC_BK_FIFO] >> 8) & 0xff;
3255 buf[TX_AC_BK_FIFO] &= 0xff;
3256 if (buf[TX_AC_BK_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_BK_FIFO]) {
3257 i = TX_AC_BK_FIFO;
3258 err = -1;
3259 }
3260 if (buf[TX_AC_VO_FIFO] != wlc_hw->xmtfifo_sz[TX_AC_VO_FIFO]) {
3261 i = TX_AC_VO_FIFO;
3262 err = -1;
3263 }
3264 buf[TX_BCMC_FIFO] = brcms_b_read_shm(wlc_hw, M_FIFOSIZE3);
3265 buf[TX_ATIM_FIFO] = (buf[TX_BCMC_FIFO] >> 8) & 0xff;
3266 buf[TX_BCMC_FIFO] &= 0xff;
3267 if (buf[TX_BCMC_FIFO] != wlc_hw->xmtfifo_sz[TX_BCMC_FIFO]) {
3268 i = TX_BCMC_FIFO;
3269 err = -1;
3270 }
3271 if (buf[TX_ATIM_FIFO] != wlc_hw->xmtfifo_sz[TX_ATIM_FIFO]) {
3272 i = TX_ATIM_FIFO;
3273 err = -1;
3274 }
3275 if (err != 0)
3276 brcms_err(core, "wlc_coreinit: txfifo mismatch: ucode size %d"
3277 " driver size %d index %d\n", buf[i],
3278 wlc_hw->xmtfifo_sz[i], i);
3279
3280
3281 WARN_ON(bcma_read32(core, D11REGOFFS(maccontrol)) == 0xffffffff);
3282
3283
3284
3285
3286 brcms_b_write_shm(wlc_hw, M_MBURST_SIZE, MAXTXFRAMEBURST);
3287 brcms_b_write_shm(wlc_hw, M_MAX_ANTCNT, ANTCNT);
3288
3289
3290 bcma_write32(core, D11REGOFFS(intrcvlazy[0]), (1 << IRL_FC_SHIFT));
3291
3292
3293 brcms_b_mctrl(wlc_hw,
3294 (MCTL_INFRA | MCTL_DISCARD_PMQ | MCTL_AP),
3295 (MCTL_INFRA | MCTL_DISCARD_PMQ));
3296
3297
3298 bcnint_us = 0x8000 << 10;
3299 bcma_write32(core, D11REGOFFS(tsf_cfprep),
3300 (bcnint_us << CFPREP_CBI_SHIFT));
3301 bcma_write32(core, D11REGOFFS(tsf_cfpstart), bcnint_us);
3302 bcma_write32(core, D11REGOFFS(macintstatus), MI_GP1);
3303
3304
3305 bcma_write32(core, D11REGOFFS(intctrlregs[RX_FIFO].intmask),
3306 DEF_RXINTMASK);
3307
3308
3309 brcms_b_macphyclk_set(wlc_hw, ON);
3310
3311
3312 wlc->fastpwrup_dly = ai_clkctl_fast_pwrup_delay(wlc_hw->sih);
3313 bcma_write16(core, D11REGOFFS(scc_fastpwrup_dly), wlc->fastpwrup_dly);
3314
3315
3316 brcms_b_write_shm(wlc_hw, M_MACHW_VER, (u16) wlc_hw->corerev);
3317
3318
3319 brcms_b_write_shm(wlc_hw, M_MACHW_CAP_L,
3320 (u16) (wlc_hw->machwcap & 0xffff));
3321 brcms_b_write_shm(wlc_hw, M_MACHW_CAP_H,
3322 (u16) ((wlc_hw->
3323 machwcap >> 16) & 0xffff));
3324
3325
3326 bcma_write32(core, D11REGOFFS(objaddr),
3327 OBJADDR_SCR_SEL | S_DOT11_SRC_LMT);
3328 (void)bcma_read32(core, D11REGOFFS(objaddr));
3329 bcma_write32(core, D11REGOFFS(objdata), wlc_hw->SRL);
3330 bcma_write32(core, D11REGOFFS(objaddr),
3331 OBJADDR_SCR_SEL | S_DOT11_LRC_LMT);
3332 (void)bcma_read32(core, D11REGOFFS(objaddr));
3333 bcma_write32(core, D11REGOFFS(objdata), wlc_hw->LRL);
3334
3335
3336 brcms_b_write_shm(wlc_hw, M_SFRMTXCNTFBRTHSD, wlc_hw->SFBL);
3337 brcms_b_write_shm(wlc_hw, M_LFRMTXCNTFBRTHSD, wlc_hw->LFBL);
3338
3339 bcma_mask16(core, D11REGOFFS(ifs_ctl), 0x0FFF);
3340 bcma_write16(core, D11REGOFFS(ifs_aifsn), EDCF_AIFSN_MIN);
3341
3342
3343 for (i = 0; i < NFIFO; i++) {
3344 if (wlc_hw->di[i])
3345 dma_txinit(wlc_hw->di[i]);
3346 }
3347
3348
3349 dma_rxinit(wlc_hw->di[RX_FIFO]);
3350 dma_rxfill(wlc_hw->di[RX_FIFO]);
3351}
3352
3353static void brcms_b_init(struct brcms_hardware *wlc_hw, u16 chanspec)
3354{
3355 u32 macintmask;
3356 bool fastclk;
3357 struct brcms_c_info *wlc = wlc_hw->wlc;
3358
3359
3360 fastclk = wlc_hw->forcefastclk;
3361 if (!fastclk)
3362 brcms_b_clkctl_clk(wlc_hw, BCMA_CLKMODE_FAST);
3363
3364
3365 macintmask = brcms_intrsoff(wlc->wl);
3366
3367
3368 brcms_c_setxband(wlc_hw, chspec_bandunit(chanspec));
3369 wlc_phy_chanspec_radio_set(wlc_hw->band->pi, chanspec);
3370
3371
3372 wlc_phy_cal_init(wlc_hw->band->pi);
3373
3374
3375 brcms_b_coreinit(wlc);
3376
3377
3378 brcms_b_bsinit(wlc, chanspec);
3379
3380
3381 brcms_intrsrestore(wlc->wl, macintmask);
3382
3383
3384
3385
3386 mboolset(wlc_hw->wake_override, BRCMS_WAKE_OVERRIDE_MACSUSPEND);
3387
3388
3389
3390
3391
3392 wlc_hw->mac_suspend_depth = 1;
3393
3394
3395 if (!fastclk)
3396 brcms_b_clkctl_clk(wlc_hw, BCMA_CLKMODE_DYNAMIC);
3397}
3398
3399static void brcms_c_set_phy_chanspec(struct brcms_c_info *wlc,
3400 u16 chanspec)
3401{
3402
3403 wlc->chanspec = chanspec;
3404
3405
3406 brcms_c_channel_set_chanspec(wlc->cmi, chanspec, BRCMS_TXPWR_MAX);
3407
3408 if (wlc->stf->ss_algosel_auto)
3409 brcms_c_stf_ss_algo_channel_get(wlc, &wlc->stf->ss_algo_channel,
3410 chanspec);
3411
3412 brcms_c_stf_ss_update(wlc, wlc->band);
3413}
3414
3415static void
3416brcms_default_rateset(struct brcms_c_info *wlc, struct brcms_c_rateset *rs)
3417{
3418 brcms_c_rateset_default(rs, NULL, wlc->band->phytype,
3419 wlc->band->bandtype, false, BRCMS_RATE_MASK_FULL,
3420 (bool) (wlc->pub->_n_enab & SUPPORT_11N),
3421 brcms_chspec_bw(wlc->default_bss->chanspec),
3422 wlc->stf->txstreams);
3423}
3424
3425
3426static void brcms_c_rate_lookup_init(struct brcms_c_info *wlc,
3427 struct brcms_c_rateset *rateset)
3428{
3429 u8 rate;
3430 u8 mandatory;
3431 u8 cck_basic = 0;
3432 u8 ofdm_basic = 0;
3433 u8 *br = wlc->band->basic_rate;
3434 uint i;
3435
3436
3437 memset(br, 0, BRCM_MAXRATE + 1);
3438
3439
3440
3441
3442 for (i = 0; i < rateset->count; i++) {
3443
3444 if (!(rateset->rates[i] & BRCMS_RATE_FLAG))
3445 continue;
3446
3447
3448 rate = (rateset->rates[i] & BRCMS_RATE_MASK);
3449
3450 if (rate > BRCM_MAXRATE) {
3451 brcms_err(wlc->hw->d11core, "brcms_c_rate_lookup_init: "
3452 "invalid rate 0x%X in rate set\n",
3453 rateset->rates[i]);
3454 continue;
3455 }
3456
3457 br[rate] = rate;
3458 }
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474 for (i = 0; i < wlc->band->hw_rateset.count; i++) {
3475 rate = wlc->band->hw_rateset.rates[i];
3476
3477 if (br[rate] != 0) {
3478
3479
3480
3481
3482 if (is_ofdm_rate(rate))
3483 ofdm_basic = rate;
3484 else
3485 cck_basic = rate;
3486
3487 continue;
3488 }
3489
3490
3491
3492
3493
3494
3495 br[rate] = is_ofdm_rate(rate) ? ofdm_basic : cck_basic;
3496
3497 if (br[rate] != 0)
3498 continue;
3499
3500 if (is_ofdm_rate(rate)) {
3501
3502
3503
3504
3505 if (rate >= BRCM_RATE_24M)
3506 mandatory = BRCM_RATE_24M;
3507 else if (rate >= BRCM_RATE_12M)
3508 mandatory = BRCM_RATE_12M;
3509 else
3510 mandatory = BRCM_RATE_6M;
3511 } else {
3512
3513 mandatory = rate;
3514 }
3515
3516 br[rate] = mandatory;
3517 }
3518}
3519
3520static void brcms_c_bandinit_ordered(struct brcms_c_info *wlc,
3521 u16 chanspec)
3522{
3523 struct brcms_c_rateset default_rateset;
3524 uint parkband;
3525 uint i, band_order[2];
3526
3527
3528
3529
3530
3531 if (wlc->bandlocked || wlc->pub->_nbands == 1) {
3532
3533 parkband = wlc->band->bandunit;
3534 band_order[0] = band_order[1] = parkband;
3535 } else {
3536
3537 parkband = chspec_bandunit(chanspec);
3538
3539
3540 band_order[0] = parkband ^ 1;
3541 band_order[1] = parkband;
3542 }
3543
3544
3545 for (i = 0; i < wlc->pub->_nbands; i++) {
3546 uint j = band_order[i];
3547
3548 wlc->band = wlc->bandstate[j];
3549
3550 brcms_default_rateset(wlc, &default_rateset);
3551
3552
3553 brcms_c_rateset_filter(&default_rateset, &wlc->band->hw_rateset,
3554 false, BRCMS_RATES_CCK_OFDM, BRCMS_RATE_MASK,
3555 (bool) (wlc->pub->_n_enab & SUPPORT_11N));
3556
3557
3558 brcms_c_rate_lookup_init(wlc, &default_rateset);
3559 }
3560
3561
3562 brcms_c_set_phy_chanspec(wlc, chanspec);
3563}
3564
3565
3566
3567
3568
3569void brcms_c_mac_promisc(struct brcms_c_info *wlc, uint filter_flags)
3570{
3571 u32 promisc_bits = 0;
3572
3573 wlc->filter_flags = filter_flags;
3574
3575 if (filter_flags & FIF_OTHER_BSS)
3576 promisc_bits |= MCTL_PROMISC;
3577
3578 if (filter_flags & FIF_BCN_PRBRESP_PROMISC)
3579 promisc_bits |= MCTL_BCNS_PROMISC;
3580
3581 if (filter_flags & FIF_FCSFAIL)
3582 promisc_bits |= MCTL_KEEPBADFCS;
3583
3584 if (filter_flags & (FIF_CONTROL | FIF_PSPOLL))
3585 promisc_bits |= MCTL_KEEPCONTROL;
3586
3587 brcms_b_mctrl(wlc->hw,
3588 MCTL_PROMISC | MCTL_BCNS_PROMISC |
3589 MCTL_KEEPCONTROL | MCTL_KEEPBADFCS,
3590 promisc_bits);
3591}
3592
3593
3594
3595
3596
3597static void brcms_c_ucode_mac_upd(struct brcms_c_info *wlc)
3598{
3599
3600
3601
3602 if (wlc->home_chanspec == wlc_phy_chanspec_get(wlc->band->pi)) {
3603 if (wlc->pub->associated) {
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613 if (BRCMS_PHY_11N_CAP(wlc->band))
3614 brcms_b_write_shm(wlc->hw,
3615 M_BCN_TXTSF_OFFSET, 0);
3616 }
3617 } else {
3618
3619 }
3620}
3621
3622static void brcms_c_write_rate_shm(struct brcms_c_info *wlc, u8 rate,
3623 u8 basic_rate)
3624{
3625 u8 phy_rate, index;
3626 u8 basic_phy_rate, basic_index;
3627 u16 dir_table, basic_table;
3628 u16 basic_ptr;
3629
3630
3631 dir_table = is_ofdm_rate(basic_rate) ? M_RT_DIRMAP_A : M_RT_DIRMAP_B;
3632
3633
3634 basic_table = is_ofdm_rate(rate) ? M_RT_BBRSMAP_A : M_RT_BBRSMAP_B;
3635
3636
3637
3638
3639
3640 phy_rate = rate_info[rate] & BRCMS_RATE_MASK;
3641 basic_phy_rate = rate_info[basic_rate] & BRCMS_RATE_MASK;
3642 index = phy_rate & 0xf;
3643 basic_index = basic_phy_rate & 0xf;
3644
3645
3646
3647
3648 basic_ptr = brcms_b_read_shm(wlc->hw, (dir_table + basic_index * 2));
3649
3650
3651
3652
3653 brcms_b_write_shm(wlc->hw, (basic_table + index * 2), basic_ptr);
3654}
3655
3656static const struct brcms_c_rateset *
3657brcms_c_rateset_get_hwrs(struct brcms_c_info *wlc)
3658{
3659 const struct brcms_c_rateset *rs_dflt;
3660
3661 if (BRCMS_PHY_11N_CAP(wlc->band)) {
3662 if (wlc->band->bandtype == BRCM_BAND_5G)
3663 rs_dflt = &ofdm_mimo_rates;
3664 else
3665 rs_dflt = &cck_ofdm_mimo_rates;
3666 } else if (wlc->band->gmode)
3667 rs_dflt = &cck_ofdm_rates;
3668 else
3669 rs_dflt = &cck_rates;
3670
3671 return rs_dflt;
3672}
3673
3674static void brcms_c_set_ratetable(struct brcms_c_info *wlc)
3675{
3676 const struct brcms_c_rateset *rs_dflt;
3677 struct brcms_c_rateset rs;
3678 u8 rate, basic_rate;
3679 uint i;
3680
3681 rs_dflt = brcms_c_rateset_get_hwrs(wlc);
3682
3683 brcms_c_rateset_copy(rs_dflt, &rs);
3684 brcms_c_rateset_mcs_upd(&rs, wlc->stf->txstreams);
3685
3686
3687 for (i = 0; i < rs.count; i++) {
3688 rate = rs.rates[i] & BRCMS_RATE_MASK;
3689
3690
3691
3692
3693 basic_rate = brcms_basic_rate(wlc, rate);
3694 if (basic_rate == 0)
3695
3696
3697
3698 basic_rate = rs.rates[0] & BRCMS_RATE_MASK;
3699
3700 brcms_c_write_rate_shm(wlc, rate, basic_rate);
3701 }
3702}
3703
3704
3705static void brcms_c_bsinit(struct brcms_c_info *wlc)
3706{
3707 brcms_dbg_info(wlc->hw->d11core, "wl%d: bandunit %d\n",
3708 wlc->pub->unit, wlc->band->bandunit);
3709
3710
3711 brcms_c_set_ratetable(wlc);
3712
3713
3714 brcms_c_ucode_mac_upd(wlc);
3715
3716
3717 brcms_c_antsel_init(wlc->asi);
3718
3719}
3720
3721
3722static int
3723brcms_c_duty_cycle_set(struct brcms_c_info *wlc, int duty_cycle, bool isOFDM,
3724 bool writeToShm)
3725{
3726 int idle_busy_ratio_x_16 = 0;
3727 uint offset =
3728 isOFDM ? M_TX_IDLE_BUSY_RATIO_X_16_OFDM :
3729 M_TX_IDLE_BUSY_RATIO_X_16_CCK;
3730 if (duty_cycle > 100 || duty_cycle < 0) {
3731 brcms_err(wlc->hw->d11core,
3732 "wl%d: duty cycle value off limit\n",
3733 wlc->pub->unit);
3734 return -EINVAL;
3735 }
3736 if (duty_cycle)
3737 idle_busy_ratio_x_16 = (100 - duty_cycle) * 16 / duty_cycle;
3738
3739 if (writeToShm)
3740 brcms_b_write_shm(wlc->hw, offset, (u16) idle_busy_ratio_x_16);
3741
3742 if (isOFDM)
3743 wlc->tx_duty_cycle_ofdm = (u16) duty_cycle;
3744 else
3745 wlc->tx_duty_cycle_cck = (u16) duty_cycle;
3746
3747 return 0;
3748}
3749
3750
3751static void brcms_c_set_ps_ctrl(struct brcms_c_info *wlc)
3752{
3753 u32 v1, v2;
3754 bool hps;
3755 bool awake_before;
3756
3757 hps = brcms_c_ps_allowed(wlc);
3758
3759 brcms_dbg_mac80211(wlc->hw->d11core, "wl%d: hps %d\n", wlc->pub->unit,
3760 hps);
3761
3762 v1 = bcma_read32(wlc->hw->d11core, D11REGOFFS(maccontrol));
3763 v2 = MCTL_WAKE;
3764 if (hps)
3765 v2 |= MCTL_HPS;
3766
3767 brcms_b_mctrl(wlc->hw, MCTL_WAKE | MCTL_HPS, v2);
3768
3769 awake_before = ((v1 & MCTL_WAKE) || ((v1 & MCTL_HPS) == 0));
3770
3771 if (!awake_before)
3772 brcms_b_wait_for_wake(wlc->hw);
3773}
3774
3775
3776
3777
3778
3779static int brcms_c_set_mac(struct brcms_bss_cfg *bsscfg)
3780{
3781 int err = 0;
3782 struct brcms_c_info *wlc = bsscfg->wlc;
3783
3784
3785 brcms_c_set_addrmatch(wlc, RCM_MAC_OFFSET, wlc->pub->cur_etheraddr);
3786
3787 brcms_c_ampdu_macaddr_upd(wlc);
3788
3789 return err;
3790}
3791
3792
3793
3794
3795static void brcms_c_set_bssid(struct brcms_bss_cfg *bsscfg)
3796{
3797
3798 brcms_c_set_addrmatch(bsscfg->wlc, RCM_BSSID_OFFSET, bsscfg->BSSID);
3799}
3800
3801void brcms_c_set_ssid(struct brcms_c_info *wlc, u8 *ssid, size_t ssid_len)
3802{
3803 u8 len = min_t(u8, sizeof(wlc->bsscfg->SSID), ssid_len);
3804 memset(wlc->bsscfg->SSID, 0, sizeof(wlc->bsscfg->SSID));
3805
3806 memcpy(wlc->bsscfg->SSID, ssid, len);
3807 wlc->bsscfg->SSID_len = len;
3808}
3809
3810static void brcms_b_set_shortslot(struct brcms_hardware *wlc_hw, bool shortslot)
3811{
3812 wlc_hw->shortslot = shortslot;
3813
3814 if (wlc_hw->band->bandtype == BRCM_BAND_2G && wlc_hw->up) {
3815 brcms_c_suspend_mac_and_wait(wlc_hw->wlc);
3816 brcms_b_update_slot_timing(wlc_hw, shortslot);
3817 brcms_c_enable_mac(wlc_hw->wlc);
3818 }
3819}
3820
3821
3822
3823
3824
3825static void brcms_c_switch_shortslot(struct brcms_c_info *wlc, bool shortslot)
3826{
3827
3828 if (wlc->shortslot_override != BRCMS_SHORTSLOT_AUTO)
3829 shortslot = (wlc->shortslot_override == BRCMS_SHORTSLOT_ON);
3830
3831 if (wlc->shortslot == shortslot)
3832 return;
3833
3834 wlc->shortslot = shortslot;
3835
3836 brcms_b_set_shortslot(wlc->hw, shortslot);
3837}
3838
3839static void brcms_c_set_home_chanspec(struct brcms_c_info *wlc, u16 chanspec)
3840{
3841 if (wlc->home_chanspec != chanspec) {
3842 wlc->home_chanspec = chanspec;
3843
3844 if (wlc->pub->associated)
3845 wlc->bsscfg->current_bss->chanspec = chanspec;
3846 }
3847}
3848
3849void
3850brcms_b_set_chanspec(struct brcms_hardware *wlc_hw, u16 chanspec,
3851 bool mute_tx, struct txpwr_limits *txpwr)
3852{
3853 uint bandunit;
3854
3855 brcms_dbg_mac80211(wlc_hw->d11core, "wl%d: 0x%x\n", wlc_hw->unit,
3856 chanspec);
3857
3858 wlc_hw->chanspec = chanspec;
3859
3860
3861 if (wlc_hw->_nbands > 1) {
3862 bandunit = chspec_bandunit(chanspec);
3863 if (wlc_hw->band->bandunit != bandunit) {
3864
3865
3866
3867 if (wlc_hw->up) {
3868 wlc_phy_chanspec_radio_set(wlc_hw->
3869 bandstate[bandunit]->
3870 pi, chanspec);
3871 brcms_b_setband(wlc_hw, bandunit, chanspec);
3872 } else {
3873 brcms_c_setxband(wlc_hw, bandunit);
3874 }
3875 }
3876 }
3877
3878 wlc_phy_initcal_enable(wlc_hw->band->pi, !mute_tx);
3879
3880 if (!wlc_hw->up) {
3881 if (wlc_hw->clk)
3882 wlc_phy_txpower_limit_set(wlc_hw->band->pi, txpwr,
3883 chanspec);
3884 wlc_phy_chanspec_radio_set(wlc_hw->band->pi, chanspec);
3885 } else {
3886 wlc_phy_chanspec_set(wlc_hw->band->pi, chanspec);
3887 wlc_phy_txpower_limit_set(wlc_hw->band->pi, txpwr, chanspec);
3888
3889
3890 brcms_b_mute(wlc_hw, mute_tx);
3891 }
3892}
3893
3894
3895static void brcms_c_setband(struct brcms_c_info *wlc,
3896 uint bandunit)
3897{
3898 wlc->band = wlc->bandstate[bandunit];
3899
3900 if (!wlc->pub->up)
3901 return;
3902
3903
3904 brcms_c_set_ps_ctrl(wlc);
3905
3906
3907 brcms_c_bsinit(wlc);
3908}
3909
3910static void brcms_c_set_chanspec(struct brcms_c_info *wlc, u16 chanspec)
3911{
3912 uint bandunit;
3913 bool switchband = false;
3914 u16 old_chanspec = wlc->chanspec;
3915
3916 if (!brcms_c_valid_chanspec_db(wlc->cmi, chanspec)) {
3917 brcms_err(wlc->hw->d11core, "wl%d: %s: Bad channel %d\n",
3918 wlc->pub->unit, __func__, CHSPEC_CHANNEL(chanspec));
3919 return;
3920 }
3921
3922
3923 if (wlc->pub->_nbands > 1) {
3924 bandunit = chspec_bandunit(chanspec);
3925 if (wlc->band->bandunit != bandunit || wlc->bandinit_pending) {
3926 switchband = true;
3927 if (wlc->bandlocked) {
3928 brcms_err(wlc->hw->d11core,
3929 "wl%d: %s: chspec %d band is locked!\n",
3930 wlc->pub->unit, __func__,
3931 CHSPEC_CHANNEL(chanspec));
3932 return;
3933 }
3934
3935
3936
3937
3938
3939
3940
3941
3942 brcms_c_setband(wlc, bandunit);
3943 }
3944 }
3945
3946
3947 brcms_c_set_phy_chanspec(wlc, chanspec);
3948
3949
3950 if (brcms_chspec_bw(old_chanspec) != brcms_chspec_bw(chanspec)) {
3951 brcms_c_antsel_init(wlc->asi);
3952
3953
3954
3955
3956 brcms_c_rateset_bw_mcs_filter(&wlc->band->hw_rateset,
3957 wlc->band->mimo_cap_40 ? brcms_chspec_bw(chanspec) : 0);
3958 }
3959
3960
3961 brcms_c_ucode_mac_upd(wlc);
3962}
3963
3964
3965
3966
3967
3968
3969
3970void brcms_c_beacon_phytxctl_txant_upd(struct brcms_c_info *wlc,
3971 u32 bcn_rspec)
3972{
3973 u16 phyctl;
3974 u16 phytxant = wlc->stf->phytxant;
3975 u16 mask = PHY_TXC_ANT_MASK;
3976
3977
3978 if (BRCMS_PHY_11N_CAP(wlc->band))
3979 phytxant = brcms_c_stf_phytxchain_sel(wlc, bcn_rspec);
3980
3981 phyctl = brcms_b_read_shm(wlc->hw, M_BCN_PCTLWD);
3982 phyctl = (phyctl & ~mask) | phytxant;
3983 brcms_b_write_shm(wlc->hw, M_BCN_PCTLWD, phyctl);
3984}
3985
3986
3987
3988
3989
3990
3991void brcms_c_protection_upd(struct brcms_c_info *wlc, uint idx, int val)
3992{
3993
3994
3995
3996
3997 BCMMSG(wlc->wiphy, "idx %d, val %d\n", idx, val);
3998
3999 switch (idx) {
4000 case BRCMS_PROT_G_SPEC:
4001 wlc->protection->_g = (bool) val;
4002 break;
4003 case BRCMS_PROT_G_OVR:
4004 wlc->protection->g_override = (s8) val;
4005 break;
4006 case BRCMS_PROT_G_USER:
4007 wlc->protection->gmode_user = (u8) val;
4008 break;
4009 case BRCMS_PROT_OVERLAP:
4010 wlc->protection->overlap = (s8) val;
4011 break;
4012 case BRCMS_PROT_N_USER:
4013 wlc->protection->nmode_user = (s8) val;
4014 break;
4015 case BRCMS_PROT_N_CFG:
4016 wlc->protection->n_cfg = (s8) val;
4017 break;
4018 case BRCMS_PROT_N_CFG_OVR:
4019 wlc->protection->n_cfg_override = (s8) val;
4020 break;
4021 case BRCMS_PROT_N_NONGF:
4022 wlc->protection->nongf = (bool) val;
4023 break;
4024 case BRCMS_PROT_N_NONGF_OVR:
4025 wlc->protection->nongf_override = (s8) val;
4026 break;
4027 case BRCMS_PROT_N_PAM_OVR:
4028 wlc->protection->n_pam_override = (s8) val;
4029 break;
4030 case BRCMS_PROT_N_OBSS:
4031 wlc->protection->n_obss = (bool) val;
4032 break;
4033
4034 default:
4035 break;
4036 }
4037
4038}
4039
4040static void brcms_c_ht_update_sgi_rx(struct brcms_c_info *wlc, int val)
4041{
4042 if (wlc->pub->up) {
4043 brcms_c_update_beacon(wlc);
4044 brcms_c_update_probe_resp(wlc, true);
4045 }
4046}
4047
4048static void brcms_c_ht_update_ldpc(struct brcms_c_info *wlc, s8 val)
4049{
4050 wlc->stf->ldpc = val;
4051
4052 if (wlc->pub->up) {
4053 brcms_c_update_beacon(wlc);
4054 brcms_c_update_probe_resp(wlc, true);
4055 wlc_phy_ldpc_override_set(wlc->band->pi, (val ? true : false));
4056 }
4057}
4058
4059void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci,
4060 const struct ieee80211_tx_queue_params *params,
4061 bool suspend)
4062{
4063 int i;
4064 struct shm_acparams acp_shm;
4065 u16 *shm_entry;
4066
4067
4068 if (!wlc->clk) {
4069 brcms_err(wlc->hw->d11core, "wl%d: %s : no-clock\n",
4070 wlc->pub->unit, __func__);
4071 return;
4072 }
4073
4074 memset(&acp_shm, 0, sizeof(struct shm_acparams));
4075
4076 acp_shm.txop = params->txop;
4077
4078 wlc->edcf_txop[aci & 0x3] = acp_shm.txop =
4079 EDCF_TXOP2USEC(acp_shm.txop);
4080 acp_shm.aifs = (params->aifs & EDCF_AIFSN_MASK);
4081
4082 if (aci == IEEE80211_AC_VI && acp_shm.txop == 0
4083 && acp_shm.aifs < EDCF_AIFSN_MAX)
4084 acp_shm.aifs++;
4085
4086 if (acp_shm.aifs < EDCF_AIFSN_MIN
4087 || acp_shm.aifs > EDCF_AIFSN_MAX) {
4088 brcms_err(wlc->hw->d11core, "wl%d: edcf_setparams: bad "
4089 "aifs %d\n", wlc->pub->unit, acp_shm.aifs);
4090 } else {
4091 acp_shm.cwmin = params->cw_min;
4092 acp_shm.cwmax = params->cw_max;
4093 acp_shm.cwcur = acp_shm.cwmin;
4094 acp_shm.bslots =
4095 bcma_read16(wlc->hw->d11core, D11REGOFFS(tsf_random)) &
4096 acp_shm.cwcur;
4097 acp_shm.reggap = acp_shm.bslots + acp_shm.aifs;
4098
4099 acp_shm.status = brcms_b_read_shm(wlc->hw, (M_EDCF_QINFO +
4100 wme_ac2fifo[aci] *
4101 M_EDCF_QLEN +
4102 M_EDCF_STATUS_OFF));
4103 acp_shm.status |= WME_STATUS_NEWAC;
4104
4105
4106 shm_entry = (u16 *) &acp_shm;
4107 for (i = 0; i < (int)sizeof(struct shm_acparams); i += 2)
4108 brcms_b_write_shm(wlc->hw,
4109 M_EDCF_QINFO +
4110 wme_ac2fifo[aci] * M_EDCF_QLEN + i,
4111 *shm_entry++);
4112 }
4113
4114 if (suspend)
4115 brcms_c_suspend_mac_and_wait(wlc);
4116
4117 brcms_c_update_beacon(wlc);
4118 brcms_c_update_probe_resp(wlc, false);
4119
4120 if (suspend)
4121 brcms_c_enable_mac(wlc);
4122}
4123
4124static void brcms_c_edcf_setparams(struct brcms_c_info *wlc, bool suspend)
4125{
4126 u16 aci;
4127 int i_ac;
4128 struct ieee80211_tx_queue_params txq_pars;
4129 static const struct edcf_acparam default_edcf_acparams[] = {
4130 {EDCF_AC_BE_ACI_STA, EDCF_AC_BE_ECW_STA, EDCF_AC_BE_TXOP_STA},
4131 {EDCF_AC_BK_ACI_STA, EDCF_AC_BK_ECW_STA, EDCF_AC_BK_TXOP_STA},
4132 {EDCF_AC_VI_ACI_STA, EDCF_AC_VI_ECW_STA, EDCF_AC_VI_TXOP_STA},
4133 {EDCF_AC_VO_ACI_STA, EDCF_AC_VO_ECW_STA, EDCF_AC_VO_TXOP_STA}
4134 };
4135 const struct edcf_acparam *edcf_acp = &default_edcf_acparams[0];
4136
4137 for (i_ac = 0; i_ac < IEEE80211_NUM_ACS; i_ac++, edcf_acp++) {
4138
4139 aci = (edcf_acp->ACI & EDCF_ACI_MASK) >> EDCF_ACI_SHIFT;
4140
4141
4142 txq_pars.txop = edcf_acp->TXOP;
4143 txq_pars.aifs = edcf_acp->ACI;
4144
4145
4146 txq_pars.cw_min = EDCF_ECW2CW(edcf_acp->ECW & EDCF_ECWMIN_MASK);
4147
4148 txq_pars.cw_max = EDCF_ECW2CW((edcf_acp->ECW & EDCF_ECWMAX_MASK)
4149 >> EDCF_ECWMAX_SHIFT);
4150 brcms_c_wme_setparams(wlc, aci, &txq_pars, suspend);
4151 }
4152
4153 if (suspend) {
4154 brcms_c_suspend_mac_and_wait(wlc);
4155 brcms_c_enable_mac(wlc);
4156 }
4157}
4158
4159static void brcms_c_radio_monitor_start(struct brcms_c_info *wlc)
4160{
4161
4162 if (wlc->radio_monitor)
4163 return;
4164
4165 wlc->radio_monitor = true;
4166 brcms_b_pllreq(wlc->hw, true, BRCMS_PLLREQ_RADIO_MON);
4167 brcms_add_timer(wlc->radio_timer, TIMER_INTERVAL_RADIOCHK, true);
4168}
4169
4170static bool brcms_c_radio_monitor_stop(struct brcms_c_info *wlc)
4171{
4172 if (!wlc->radio_monitor)
4173 return true;
4174
4175 wlc->radio_monitor = false;
4176 brcms_b_pllreq(wlc->hw, false, BRCMS_PLLREQ_RADIO_MON);
4177 return brcms_del_timer(wlc->radio_timer);
4178}
4179
4180
4181static void brcms_c_radio_hwdisable_upd(struct brcms_c_info *wlc)
4182{
4183 if (wlc->pub->hw_off)
4184 return;
4185
4186 if (brcms_b_radio_read_hwdisabled(wlc->hw))
4187 mboolset(wlc->pub->radio_disabled, WL_RADIO_HW_DISABLE);
4188 else
4189 mboolclr(wlc->pub->radio_disabled, WL_RADIO_HW_DISABLE);
4190}
4191
4192
4193bool brcms_c_check_radio_disabled(struct brcms_c_info *wlc)
4194{
4195 brcms_c_radio_hwdisable_upd(wlc);
4196
4197 return mboolisset(wlc->pub->radio_disabled, WL_RADIO_HW_DISABLE) ?
4198 true : false;
4199}
4200
4201
4202static void brcms_c_radio_timer(void *arg)
4203{
4204 struct brcms_c_info *wlc = (struct brcms_c_info *) arg;
4205
4206 if (brcms_deviceremoved(wlc)) {
4207 brcms_err(wlc->hw->d11core, "wl%d: %s: dead chip\n",
4208 wlc->pub->unit, __func__);
4209 brcms_down(wlc->wl);
4210 return;
4211 }
4212
4213 brcms_c_radio_hwdisable_upd(wlc);
4214}
4215
4216
4217static void brcms_b_watchdog(struct brcms_c_info *wlc)
4218{
4219 struct brcms_hardware *wlc_hw = wlc->hw;
4220
4221 if (!wlc_hw->up)
4222 return;
4223
4224
4225 wlc_hw->now++;
4226
4227
4228 brcms_b_fifoerrors(wlc_hw);
4229
4230
4231 dma_rxfill(wlc->hw->di[RX_FIFO]);
4232
4233 wlc_phy_watchdog(wlc_hw->band->pi);
4234}
4235
4236
4237static void brcms_c_watchdog(struct brcms_c_info *wlc)
4238{
4239 brcms_dbg_info(wlc->hw->d11core, "wl%d\n", wlc->pub->unit);
4240
4241 if (!wlc->pub->up)
4242 return;
4243
4244 if (brcms_deviceremoved(wlc)) {
4245 brcms_err(wlc->hw->d11core, "wl%d: %s: dead chip\n",
4246 wlc->pub->unit, __func__);
4247 brcms_down(wlc->wl);
4248 return;
4249 }
4250
4251
4252 wlc->pub->now++;
4253
4254 brcms_c_radio_hwdisable_upd(wlc);
4255
4256 if (wlc->pub->radio_disabled)
4257 return;
4258
4259 brcms_b_watchdog(wlc);
4260
4261
4262
4263
4264
4265 if ((wlc->pub->now % SW_TIMER_MAC_STAT_UPD) == 0)
4266 brcms_c_statsupd(wlc);
4267
4268 if (BRCMS_ISNPHY(wlc->band) &&
4269 ((wlc->pub->now - wlc->tempsense_lasttime) >=
4270 BRCMS_TEMPSENSE_PERIOD)) {
4271 wlc->tempsense_lasttime = wlc->pub->now;
4272 brcms_c_tempsense_upd(wlc);
4273 }
4274}
4275
4276static void brcms_c_watchdog_by_timer(void *arg)
4277{
4278 struct brcms_c_info *wlc = (struct brcms_c_info *) arg;
4279
4280 brcms_c_watchdog(wlc);
4281}
4282
4283static bool brcms_c_timers_init(struct brcms_c_info *wlc, int unit)
4284{
4285 wlc->wdtimer = brcms_init_timer(wlc->wl, brcms_c_watchdog_by_timer,
4286 wlc, "watchdog");
4287 if (!wlc->wdtimer) {
4288 wiphy_err(wlc->wiphy, "wl%d: wl_init_timer for wdtimer "
4289 "failed\n", unit);
4290 goto fail;
4291 }
4292
4293 wlc->radio_timer = brcms_init_timer(wlc->wl, brcms_c_radio_timer,
4294 wlc, "radio");
4295 if (!wlc->radio_timer) {
4296 wiphy_err(wlc->wiphy, "wl%d: wl_init_timer for radio_timer "
4297 "failed\n", unit);
4298 goto fail;
4299 }
4300
4301 return true;
4302
4303 fail:
4304 return false;
4305}
4306
4307
4308
4309
4310
4311static void brcms_c_info_init(struct brcms_c_info *wlc, int unit)
4312{
4313 int i;
4314
4315
4316 wlc->chanspec = ch20mhz_chspec(1);
4317
4318
4319 wlc->shortslot = false;
4320 wlc->shortslot_override = BRCMS_SHORTSLOT_AUTO;
4321
4322 brcms_c_protection_upd(wlc, BRCMS_PROT_G_OVR, BRCMS_PROTECTION_AUTO);
4323 brcms_c_protection_upd(wlc, BRCMS_PROT_G_SPEC, false);
4324
4325 brcms_c_protection_upd(wlc, BRCMS_PROT_N_CFG_OVR,
4326 BRCMS_PROTECTION_AUTO);
4327 brcms_c_protection_upd(wlc, BRCMS_PROT_N_CFG, BRCMS_N_PROTECTION_OFF);
4328 brcms_c_protection_upd(wlc, BRCMS_PROT_N_NONGF_OVR,
4329 BRCMS_PROTECTION_AUTO);
4330 brcms_c_protection_upd(wlc, BRCMS_PROT_N_NONGF, false);
4331 brcms_c_protection_upd(wlc, BRCMS_PROT_N_PAM_OVR, AUTO);
4332
4333 brcms_c_protection_upd(wlc, BRCMS_PROT_OVERLAP,
4334 BRCMS_PROTECTION_CTL_OVERLAP);
4335
4336
4337 wlc->include_legacy_erp = true;
4338
4339 wlc->stf->ant_rx_ovr = ANT_RX_DIV_DEF;
4340 wlc->stf->txant = ANT_TX_DEF;
4341
4342 wlc->prb_resp_timeout = BRCMS_PRB_RESP_TIMEOUT;
4343
4344 wlc->usr_fragthresh = DOT11_DEFAULT_FRAG_LEN;
4345 for (i = 0; i < NFIFO; i++)
4346 wlc->fragthresh[i] = DOT11_DEFAULT_FRAG_LEN;
4347 wlc->RTSThresh = DOT11_DEFAULT_RTS_LEN;
4348
4349
4350 wlc->SFBL = RETRY_SHORT_FB;
4351 wlc->LFBL = RETRY_LONG_FB;
4352
4353
4354 wlc->SRL = RETRY_SHORT_DEF;
4355 wlc->LRL = RETRY_LONG_DEF;
4356
4357
4358 wlc->pub->_ampdu = AMPDU_AGG_HOST;
4359}
4360
4361static uint brcms_c_attach_module(struct brcms_c_info *wlc)
4362{
4363 uint err = 0;
4364 uint unit;
4365 unit = wlc->pub->unit;
4366
4367 wlc->asi = brcms_c_antsel_attach(wlc);
4368 if (wlc->asi == NULL) {
4369 wiphy_err(wlc->wiphy, "wl%d: attach: antsel_attach "
4370 "failed\n", unit);
4371 err = 44;
4372 goto fail;
4373 }
4374
4375 wlc->ampdu = brcms_c_ampdu_attach(wlc);
4376 if (wlc->ampdu == NULL) {
4377 wiphy_err(wlc->wiphy, "wl%d: attach: ampdu_attach "
4378 "failed\n", unit);
4379 err = 50;
4380 goto fail;
4381 }
4382
4383 if ((brcms_c_stf_attach(wlc) != 0)) {
4384 wiphy_err(wlc->wiphy, "wl%d: attach: stf_attach "
4385 "failed\n", unit);
4386 err = 68;
4387 goto fail;
4388 }
4389 fail:
4390 return err;
4391}
4392
4393struct brcms_pub *brcms_c_pub(struct brcms_c_info *wlc)
4394{
4395 return wlc->pub;
4396}
4397
4398
4399
4400
4401
4402
4403
4404static int brcms_b_attach(struct brcms_c_info *wlc, struct bcma_device *core,
4405 uint unit, bool piomode)
4406{
4407 struct brcms_hardware *wlc_hw;
4408 uint err = 0;
4409 uint j;
4410 bool wme = false;
4411 struct shared_phy_params sha_params;
4412 struct wiphy *wiphy = wlc->wiphy;
4413 struct pci_dev *pcidev = core->bus->host_pci;
4414 struct ssb_sprom *sprom = &core->bus->sprom;
4415
4416 if (core->bus->hosttype == BCMA_HOSTTYPE_PCI)
4417 brcms_dbg_info(core, "wl%d: vendor 0x%x device 0x%x\n", unit,
4418 pcidev->vendor,
4419 pcidev->device);
4420 else
4421 brcms_dbg_info(core, "wl%d: vendor 0x%x device 0x%x\n", unit,
4422 core->bus->boardinfo.vendor,
4423 core->bus->boardinfo.type);
4424
4425 wme = true;
4426
4427 wlc_hw = wlc->hw;
4428 wlc_hw->wlc = wlc;
4429 wlc_hw->unit = unit;
4430 wlc_hw->band = wlc_hw->bandstate[0];
4431 wlc_hw->_piomode = piomode;
4432
4433
4434 brcms_b_info_init(wlc_hw);
4435
4436
4437
4438
4439
4440 wlc_hw->sih = ai_attach(core->bus);
4441 if (wlc_hw->sih == NULL) {
4442 wiphy_err(wiphy, "wl%d: brcms_b_attach: si_attach failed\n",
4443 unit);
4444 err = 11;
4445 goto fail;
4446 }
4447
4448
4449 if (!brcms_c_chipmatch(core)) {
4450 wiphy_err(wiphy, "wl%d: brcms_b_attach: Unsupported device\n",
4451 unit);
4452 err = 12;
4453 goto fail;
4454 }
4455
4456 if (core->bus->hosttype == BCMA_HOSTTYPE_PCI) {
4457 wlc_hw->vendorid = pcidev->vendor;
4458 wlc_hw->deviceid = pcidev->device;
4459 } else {
4460 wlc_hw->vendorid = core->bus->boardinfo.vendor;
4461 wlc_hw->deviceid = core->bus->boardinfo.type;
4462 }
4463
4464 wlc_hw->d11core = core;
4465 wlc_hw->corerev = core->id.rev;
4466
4467
4468 if (!brcms_c_isgoodchip(wlc_hw)) {
4469 err = 13;
4470 goto fail;
4471 }
4472
4473
4474 ai_clkctl_init(wlc_hw->sih);
4475
4476
4477
4478
4479
4480
4481
4482 brcms_b_clkctl_clk(wlc_hw, BCMA_CLKMODE_FAST);
4483 brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS);
4484
4485 if (!brcms_b_validate_chip_access(wlc_hw)) {
4486 wiphy_err(wiphy, "wl%d: brcms_b_attach: validate_chip_access "
4487 "failed\n", unit);
4488 err = 14;
4489 goto fail;
4490 }
4491
4492
4493 j = sprom->board_rev;
4494
4495 if (j == BOARDREV_PROMOTABLE)
4496 j = BOARDREV_PROMOTED;
4497 wlc_hw->boardrev = (u16) j;
4498 if (!brcms_c_validboardtype(wlc_hw)) {
4499 wiphy_err(wiphy, "wl%d: brcms_b_attach: Unsupported Broadcom "
4500 "board type (0x%x)" " or revision level (0x%x)\n",
4501 unit, ai_get_boardtype(wlc_hw->sih),
4502 wlc_hw->boardrev);
4503 err = 15;
4504 goto fail;
4505 }
4506 wlc_hw->sromrev = sprom->revision;
4507 wlc_hw->boardflags = sprom->boardflags_lo + (sprom->boardflags_hi << 16);
4508 wlc_hw->boardflags2 = sprom->boardflags2_lo + (sprom->boardflags2_hi << 16);
4509
4510 if (wlc_hw->boardflags & BFL_NOPLLDOWN)
4511 brcms_b_pllreq(wlc_hw, true, BRCMS_PLLREQ_SHARED);
4512
4513
4514 if (wlc_hw->deviceid == BCM43224_D11N_ID ||
4515 wlc_hw->deviceid == BCM43224_D11N_ID_VEN1 ||
4516 wlc_hw->deviceid == BCM43224_CHIP_ID)
4517
4518 wlc_hw->_nbands = 2;
4519 else
4520 wlc_hw->_nbands = 1;
4521
4522 if ((ai_get_chip_id(wlc_hw->sih) == BCMA_CHIP_ID_BCM43225))
4523 wlc_hw->_nbands = 1;
4524
4525
4526
4527
4528 wlc->vendorid = wlc_hw->vendorid;
4529 wlc->deviceid = wlc_hw->deviceid;
4530 wlc->pub->sih = wlc_hw->sih;
4531 wlc->pub->corerev = wlc_hw->corerev;
4532 wlc->pub->sromrev = wlc_hw->sromrev;
4533 wlc->pub->boardrev = wlc_hw->boardrev;
4534 wlc->pub->boardflags = wlc_hw->boardflags;
4535 wlc->pub->boardflags2 = wlc_hw->boardflags2;
4536 wlc->pub->_nbands = wlc_hw->_nbands;
4537
4538 wlc_hw->physhim = wlc_phy_shim_attach(wlc_hw, wlc->wl, wlc);
4539
4540 if (wlc_hw->physhim == NULL) {
4541 wiphy_err(wiphy, "wl%d: brcms_b_attach: wlc_phy_shim_attach "
4542 "failed\n", unit);
4543 err = 25;
4544 goto fail;
4545 }
4546
4547
4548 sha_params.sih = wlc_hw->sih;
4549 sha_params.physhim = wlc_hw->physhim;
4550 sha_params.unit = unit;
4551 sha_params.corerev = wlc_hw->corerev;
4552 sha_params.vid = wlc_hw->vendorid;
4553 sha_params.did = wlc_hw->deviceid;
4554 sha_params.chip = ai_get_chip_id(wlc_hw->sih);
4555 sha_params.chiprev = ai_get_chiprev(wlc_hw->sih);
4556 sha_params.chippkg = ai_get_chippkg(wlc_hw->sih);
4557 sha_params.sromrev = wlc_hw->sromrev;
4558 sha_params.boardtype = ai_get_boardtype(wlc_hw->sih);
4559 sha_params.boardrev = wlc_hw->boardrev;
4560 sha_params.boardflags = wlc_hw->boardflags;
4561 sha_params.boardflags2 = wlc_hw->boardflags2;
4562
4563
4564 wlc_hw->phy_sh = wlc_phy_shared_attach(&sha_params);
4565 if (!wlc_hw->phy_sh) {
4566 err = 16;
4567 goto fail;
4568 }
4569
4570
4571 for (j = 0; j < wlc_hw->_nbands; j++) {
4572
4573
4574
4575
4576
4577 brcms_c_setxband(wlc_hw, j);
4578
4579 wlc_hw->band->bandunit = j;
4580 wlc_hw->band->bandtype = j ? BRCM_BAND_5G : BRCM_BAND_2G;
4581 wlc->band->bandunit = j;
4582 wlc->band->bandtype = j ? BRCM_BAND_5G : BRCM_BAND_2G;
4583 wlc->core->coreidx = core->core_index;
4584
4585 wlc_hw->machwcap = bcma_read32(core, D11REGOFFS(machwcap));
4586 wlc_hw->machwcap_backup = wlc_hw->machwcap;
4587
4588
4589 WARN_ON(wlc_hw->corerev < XMTFIFOTBL_STARTREV ||
4590 (wlc_hw->corerev - XMTFIFOTBL_STARTREV) >
4591 ARRAY_SIZE(xmtfifo_sz));
4592 wlc_hw->xmtfifo_sz =
4593 xmtfifo_sz[(wlc_hw->corerev - XMTFIFOTBL_STARTREV)];
4594 WARN_ON(!wlc_hw->xmtfifo_sz[0]);
4595
4596
4597 wlc_hw->band->pi =
4598 wlc_phy_attach(wlc_hw->phy_sh, core,
4599 wlc_hw->band->bandtype,
4600 wlc->wiphy);
4601 if (wlc_hw->band->pi == NULL) {
4602 wiphy_err(wiphy, "wl%d: brcms_b_attach: wlc_phy_"
4603 "attach failed\n", unit);
4604 err = 17;
4605 goto fail;
4606 }
4607
4608 wlc_phy_machwcap_set(wlc_hw->band->pi, wlc_hw->machwcap);
4609
4610 wlc_phy_get_phyversion(wlc_hw->band->pi, &wlc_hw->band->phytype,
4611 &wlc_hw->band->phyrev,
4612 &wlc_hw->band->radioid,
4613 &wlc_hw->band->radiorev);
4614 wlc_hw->band->abgphy_encore =
4615 wlc_phy_get_encore(wlc_hw->band->pi);
4616 wlc->band->abgphy_encore = wlc_phy_get_encore(wlc_hw->band->pi);
4617 wlc_hw->band->core_flags =
4618 wlc_phy_get_coreflags(wlc_hw->band->pi);
4619
4620
4621 if (BRCMS_ISNPHY(wlc_hw->band)) {
4622 if (NCONF_HAS(wlc_hw->band->phyrev))
4623 goto good_phy;
4624 else
4625 goto bad_phy;
4626 } else if (BRCMS_ISLCNPHY(wlc_hw->band)) {
4627 if (LCNCONF_HAS(wlc_hw->band->phyrev))
4628 goto good_phy;
4629 else
4630 goto bad_phy;
4631 } else {
4632 bad_phy:
4633 wiphy_err(wiphy, "wl%d: brcms_b_attach: unsupported "
4634 "phy type/rev (%d/%d)\n", unit,
4635 wlc_hw->band->phytype, wlc_hw->band->phyrev);
4636 err = 18;
4637 goto fail;
4638 }
4639
4640 good_phy:
4641
4642
4643
4644
4645
4646
4647
4648
4649
4650 wlc->band->pi = wlc_hw->band->pi;
4651 wlc->band->phytype = wlc_hw->band->phytype;
4652 wlc->band->phyrev = wlc_hw->band->phyrev;
4653 wlc->band->radioid = wlc_hw->band->radioid;
4654 wlc->band->radiorev = wlc_hw->band->radiorev;
4655 brcms_dbg_info(core, "wl%d: phy %u/%u radio %x/%u\n", unit,
4656 wlc->band->phytype, wlc->band->phyrev,
4657 wlc->band->radioid, wlc->band->radiorev);
4658
4659 wlc_hw->band->CWmin = APHY_CWMIN;
4660 wlc_hw->band->CWmax = PHY_CWMAX;
4661
4662 if (!brcms_b_attach_dmapio(wlc, j, wme)) {
4663 err = 19;
4664 goto fail;
4665 }
4666 }
4667
4668
4669 brcms_c_coredisable(wlc_hw);
4670
4671
4672 bcma_host_pci_down(wlc_hw->d11core->bus);
4673
4674
4675 brcms_b_xtal(wlc_hw, OFF);
4676
4677
4678
4679
4680
4681
4682
4683
4684
4685
4686
4687
4688 brcms_c_get_macaddr(wlc_hw, wlc_hw->etheraddr);
4689
4690 if (is_broadcast_ether_addr(wlc_hw->etheraddr) ||
4691 is_zero_ether_addr(wlc_hw->etheraddr)) {
4692 wiphy_err(wiphy, "wl%d: brcms_b_attach: bad macaddr\n",
4693 unit);
4694 err = 22;
4695 goto fail;
4696 }
4697
4698 brcms_dbg_info(wlc_hw->d11core, "deviceid 0x%x nbands %d board 0x%x\n",
4699 wlc_hw->deviceid, wlc_hw->_nbands,
4700 ai_get_boardtype(wlc_hw->sih));
4701
4702 return err;
4703
4704 fail:
4705 wiphy_err(wiphy, "wl%d: brcms_b_attach: failed with err %d\n", unit,
4706 err);
4707 return err;
4708}
4709
4710static bool brcms_c_attach_stf_ant_init(struct brcms_c_info *wlc)
4711{
4712 int aa;
4713 uint unit;
4714 int bandtype;
4715 struct ssb_sprom *sprom = &wlc->hw->d11core->bus->sprom;
4716
4717 unit = wlc->pub->unit;
4718 bandtype = wlc->band->bandtype;
4719
4720
4721 if (bandtype == BRCM_BAND_5G)
4722 aa = sprom->ant_available_a;
4723 else
4724 aa = sprom->ant_available_bg;
4725
4726 if ((aa < 1) || (aa > 15)) {
4727 wiphy_err(wlc->wiphy, "wl%d: %s: Invalid antennas available in"
4728 " srom (0x%x), using 3\n", unit, __func__, aa);
4729 aa = 3;
4730 }
4731
4732
4733 if (aa == 1) {
4734 wlc->stf->ant_rx_ovr = ANT_RX_DIV_FORCE_0;
4735 wlc->stf->txant = ANT_TX_FORCE_0;
4736 } else if (aa == 2) {
4737 wlc->stf->ant_rx_ovr = ANT_RX_DIV_FORCE_1;
4738 wlc->stf->txant = ANT_TX_FORCE_1;
4739 } else {
4740 }
4741
4742
4743 if (bandtype == BRCM_BAND_5G)
4744 wlc->band->antgain = sprom->antenna_gain.a1;
4745 else
4746 wlc->band->antgain = sprom->antenna_gain.a0;
4747
4748 return true;
4749}
4750
4751static void brcms_c_bss_default_init(struct brcms_c_info *wlc)
4752{
4753 u16 chanspec;
4754 struct brcms_band *band;
4755 struct brcms_bss_info *bi = wlc->default_bss;
4756
4757
4758 memset(bi, 0, sizeof(*bi));
4759 bi->beacon_period = BEACON_INTERVAL_DEFAULT;
4760
4761
4762
4763
4764 chanspec = ch20mhz_chspec(1);
4765 wlc->home_chanspec = bi->chanspec = chanspec;
4766
4767
4768 band = wlc->band;
4769 if (wlc->pub->_nbands > 1 &&
4770 band->bandunit != chspec_bandunit(chanspec))
4771 band = wlc->bandstate[OTHERBANDUNIT(wlc)];
4772
4773
4774 brcms_c_rateset_default(&bi->rateset, NULL, band->phytype,
4775 band->bandtype, false, BRCMS_RATE_MASK_FULL,
4776 (bool) (wlc->pub->_n_enab & SUPPORT_11N),
4777 brcms_chspec_bw(chanspec), wlc->stf->txstreams);
4778
4779 if (wlc->pub->_n_enab & SUPPORT_11N)
4780 bi->flags |= BRCMS_BSS_HT;
4781}
4782
4783static void brcms_c_update_mimo_band_bwcap(struct brcms_c_info *wlc, u8 bwcap)
4784{
4785 uint i;
4786 struct brcms_band *band;
4787
4788 for (i = 0; i < wlc->pub->_nbands; i++) {
4789 band = wlc->bandstate[i];
4790 if (band->bandtype == BRCM_BAND_5G) {
4791 if ((bwcap == BRCMS_N_BW_40ALL)
4792 || (bwcap == BRCMS_N_BW_20IN2G_40IN5G))
4793 band->mimo_cap_40 = true;
4794 else
4795 band->mimo_cap_40 = false;
4796 } else {
4797 if (bwcap == BRCMS_N_BW_40ALL)
4798 band->mimo_cap_40 = true;
4799 else
4800 band->mimo_cap_40 = false;
4801 }
4802 }
4803}
4804
4805static void brcms_c_timers_deinit(struct brcms_c_info *wlc)
4806{
4807
4808 if (wlc->wdtimer) {
4809 brcms_free_timer(wlc->wdtimer);
4810 wlc->wdtimer = NULL;
4811 }
4812 if (wlc->radio_timer) {
4813 brcms_free_timer(wlc->radio_timer);
4814 wlc->radio_timer = NULL;
4815 }
4816}
4817
4818static void brcms_c_detach_module(struct brcms_c_info *wlc)
4819{
4820 if (wlc->asi) {
4821 brcms_c_antsel_detach(wlc->asi);
4822 wlc->asi = NULL;
4823 }
4824
4825 if (wlc->ampdu) {
4826 brcms_c_ampdu_detach(wlc->ampdu);
4827 wlc->ampdu = NULL;
4828 }
4829
4830 brcms_c_stf_detach(wlc);
4831}
4832
4833
4834
4835
4836static void brcms_b_detach(struct brcms_c_info *wlc)
4837{
4838 uint i;
4839 struct brcms_hw_band *band;
4840 struct brcms_hardware *wlc_hw = wlc->hw;
4841
4842 brcms_b_detach_dmapio(wlc_hw);
4843
4844 band = wlc_hw->band;
4845 for (i = 0; i < wlc_hw->_nbands; i++) {
4846 if (band->pi) {
4847
4848 wlc_phy_detach(band->pi);
4849 band->pi = NULL;
4850 }
4851 band = wlc_hw->bandstate[OTHERBANDUNIT(wlc)];
4852 }
4853
4854
4855 kfree(wlc_hw->phy_sh);
4856
4857 wlc_phy_shim_detach(wlc_hw->physhim);
4858
4859 if (wlc_hw->sih) {
4860 ai_detach(wlc_hw->sih);
4861 wlc_hw->sih = NULL;
4862 }
4863}
4864
4865
4866
4867
4868
4869
4870
4871
4872
4873
4874
4875uint brcms_c_detach(struct brcms_c_info *wlc)
4876{
4877 uint callbacks;
4878
4879 if (wlc == NULL)
4880 return 0;
4881
4882 brcms_b_detach(wlc);
4883
4884
4885 callbacks = 0;
4886 if (!brcms_c_radio_monitor_stop(wlc))
4887 callbacks++;
4888
4889 brcms_c_channel_mgr_detach(wlc->cmi);
4890
4891 brcms_c_timers_deinit(wlc);
4892
4893 brcms_c_detach_module(wlc);
4894
4895 brcms_c_detach_mfree(wlc);
4896 return callbacks;
4897}
4898
4899
4900static void brcms_c_ap_upd(struct brcms_c_info *wlc)
4901{
4902
4903 wlc->PLCPHdr_override = BRCMS_PLCP_SHORT;
4904}
4905
4906
4907static void brcms_b_hw_up(struct brcms_hardware *wlc_hw)
4908{
4909 if (wlc_hw->wlc->pub->hw_up)
4910 return;
4911
4912 brcms_dbg_info(wlc_hw->d11core, "wl%d\n", wlc_hw->unit);
4913
4914
4915
4916
4917
4918 brcms_b_xtal(wlc_hw, ON);
4919 ai_clkctl_init(wlc_hw->sih);
4920 brcms_b_clkctl_clk(wlc_hw, BCMA_CLKMODE_FAST);
4921
4922
4923
4924
4925
4926
4927
4928
4929
4930
4931
4932
4933 wlc_phy_por_inform(wlc_hw->band->pi);
4934
4935 wlc_hw->ucode_loaded = false;
4936 wlc_hw->wlc->pub->hw_up = true;
4937
4938 if ((wlc_hw->boardflags & BFL_FEM)
4939 && (ai_get_chip_id(wlc_hw->sih) == BCMA_CHIP_ID_BCM4313)) {
4940 if (!
4941 (wlc_hw->boardrev >= 0x1250
4942 && (wlc_hw->boardflags & BFL_FEM_BT)))
4943 ai_epa_4313war(wlc_hw->sih);
4944 }
4945}
4946
4947static int brcms_b_up_prep(struct brcms_hardware *wlc_hw)
4948{
4949 brcms_dbg_info(wlc_hw->d11core, "wl%d\n", wlc_hw->unit);
4950
4951
4952
4953
4954
4955 brcms_b_xtal(wlc_hw, ON);
4956 ai_clkctl_init(wlc_hw->sih);
4957 brcms_b_clkctl_clk(wlc_hw, BCMA_CLKMODE_FAST);
4958
4959
4960
4961
4962
4963 bcma_host_pci_irq_ctl(wlc_hw->d11core->bus, wlc_hw->d11core,
4964 true);
4965
4966
4967
4968
4969
4970
4971 if (brcms_b_radio_read_hwdisabled(wlc_hw)) {
4972
4973 bcma_host_pci_down(wlc_hw->d11core->bus);
4974 brcms_b_xtal(wlc_hw, OFF);
4975 return -ENOMEDIUM;
4976 }
4977
4978 bcma_host_pci_up(wlc_hw->d11core->bus);
4979
4980
4981 brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS);
4982
4983 return 0;
4984}
4985
4986static int brcms_b_up_finish(struct brcms_hardware *wlc_hw)
4987{
4988 wlc_hw->up = true;
4989 wlc_phy_hw_state_upd(wlc_hw->band->pi, true);
4990
4991
4992 brcms_b_clkctl_clk(wlc_hw, BCMA_CLKMODE_DYNAMIC);
4993 brcms_intrson(wlc_hw->wlc->wl);
4994 return 0;
4995}
4996
4997
4998
4999
5000
5001static void brcms_c_wme_retries_write(struct brcms_c_info *wlc)
5002{
5003 int ac;
5004
5005
5006 if (!wlc->clk)
5007 return;
5008
5009 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
5010 brcms_b_write_shm(wlc->hw, M_AC_TXLMT_ADDR(ac),
5011 wlc->wme_retries[ac]);
5012}
5013
5014
5015int brcms_c_up(struct brcms_c_info *wlc)
5016{
5017 struct ieee80211_channel *ch;
5018
5019 brcms_dbg_info(wlc->hw->d11core, "wl%d\n", wlc->pub->unit);
5020
5021
5022 if (wlc->pub->hw_off || brcms_deviceremoved(wlc))
5023 return -ENOMEDIUM;
5024
5025 if (!wlc->pub->hw_up) {
5026 brcms_b_hw_up(wlc->hw);
5027 wlc->pub->hw_up = true;
5028 }
5029
5030 if ((wlc->pub->boardflags & BFL_FEM)
5031 && (ai_get_chip_id(wlc->hw->sih) == BCMA_CHIP_ID_BCM4313)) {
5032 if (wlc->pub->boardrev >= 0x1250
5033 && (wlc->pub->boardflags & BFL_FEM_BT))
5034 brcms_b_mhf(wlc->hw, MHF5, MHF5_4313_GPIOCTRL,
5035 MHF5_4313_GPIOCTRL, BRCM_BAND_ALL);
5036 else
5037 brcms_b_mhf(wlc->hw, MHF4, MHF4_EXTPA_ENABLE,
5038 MHF4_EXTPA_ENABLE, BRCM_BAND_ALL);
5039 }
5040
5041
5042
5043
5044
5045
5046
5047
5048
5049
5050 if (!wlc->pub->radio_disabled) {
5051 int status = brcms_b_up_prep(wlc->hw);
5052 if (status == -ENOMEDIUM) {
5053 if (!mboolisset
5054 (wlc->pub->radio_disabled, WL_RADIO_HW_DISABLE)) {
5055 struct brcms_bss_cfg *bsscfg = wlc->bsscfg;
5056 mboolset(wlc->pub->radio_disabled,
5057 WL_RADIO_HW_DISABLE);
5058 if (bsscfg->type == BRCMS_TYPE_STATION ||
5059 bsscfg->type == BRCMS_TYPE_ADHOC)
5060 brcms_err(wlc->hw->d11core,
5061 "wl%d: up: rfdisable -> "
5062 "bsscfg_disable()\n",
5063 wlc->pub->unit);
5064 }
5065 }
5066 }
5067
5068 if (wlc->pub->radio_disabled) {
5069 brcms_c_radio_monitor_start(wlc);
5070 return 0;
5071 }
5072
5073
5074 wlc->clk = true;
5075
5076 brcms_c_radio_monitor_stop(wlc);
5077
5078
5079 brcms_b_mhf(wlc->hw, MHF1, MHF1_EDCF, MHF1_EDCF, BRCM_BAND_ALL);
5080
5081 brcms_init(wlc->wl);
5082 wlc->pub->up = true;
5083
5084 if (wlc->bandinit_pending) {
5085 ch = wlc->pub->ieee_hw->conf.chandef.chan;
5086 brcms_c_suspend_mac_and_wait(wlc);
5087 brcms_c_set_chanspec(wlc, ch20mhz_chspec(ch->hw_value));
5088 wlc->bandinit_pending = false;
5089 brcms_c_enable_mac(wlc);
5090 }
5091
5092 brcms_b_up_finish(wlc->hw);
5093
5094
5095 brcms_c_wme_retries_write(wlc);
5096
5097
5098 brcms_add_timer(wlc->wdtimer, TIMER_INTERVAL_WATCHDOG, true);
5099 wlc->WDarmed = true;
5100
5101
5102 brcms_c_stf_phy_txant_upd(wlc);
5103
5104 brcms_c_ht_update_ldpc(wlc, wlc->stf->ldpc);
5105
5106 return 0;
5107}
5108
5109static uint brcms_c_down_del_timer(struct brcms_c_info *wlc)
5110{
5111 uint callbacks = 0;
5112
5113 return callbacks;
5114}
5115
5116static int brcms_b_bmac_down_prep(struct brcms_hardware *wlc_hw)
5117{
5118 bool dev_gone;
5119 uint callbacks = 0;
5120
5121 if (!wlc_hw->up)
5122 return callbacks;
5123
5124 dev_gone = brcms_deviceremoved(wlc_hw->wlc);
5125
5126
5127 if (dev_gone)
5128 wlc_hw->wlc->macintmask = 0;
5129 else {
5130
5131 brcms_intrsoff(wlc_hw->wlc->wl);
5132
5133
5134 brcms_b_clkctl_clk(wlc_hw, BCMA_CLKMODE_FAST);
5135 }
5136
5137 callbacks += wlc_phy_down(wlc_hw->band->pi);
5138
5139 return callbacks;
5140}
5141
5142static int brcms_b_down_finish(struct brcms_hardware *wlc_hw)
5143{
5144 uint callbacks = 0;
5145 bool dev_gone;
5146
5147 if (!wlc_hw->up)
5148 return callbacks;
5149
5150 wlc_hw->up = false;
5151 wlc_phy_hw_state_upd(wlc_hw->band->pi, false);
5152
5153 dev_gone = brcms_deviceremoved(wlc_hw->wlc);
5154
5155 if (dev_gone) {
5156 wlc_hw->sbclk = false;
5157 wlc_hw->clk = false;
5158 wlc_phy_hw_clk_state_upd(wlc_hw->band->pi, false);
5159
5160
5161 brcms_c_flushqueues(wlc_hw->wlc);
5162 } else {
5163
5164
5165 if (bcma_core_is_enabled(wlc_hw->d11core)) {
5166 if (bcma_read32(wlc_hw->d11core,
5167 D11REGOFFS(maccontrol)) & MCTL_EN_MAC)
5168 brcms_c_suspend_mac_and_wait(wlc_hw->wlc);
5169 callbacks += brcms_reset(wlc_hw->wlc->wl);
5170 brcms_c_coredisable(wlc_hw);
5171 }
5172
5173
5174 if (!wlc_hw->noreset) {
5175 bcma_host_pci_down(wlc_hw->d11core->bus);
5176 brcms_b_xtal(wlc_hw, OFF);
5177 }
5178 }
5179
5180 return callbacks;
5181}
5182
5183
5184
5185
5186
5187
5188uint brcms_c_down(struct brcms_c_info *wlc)
5189{
5190
5191 uint callbacks = 0;
5192 int i;
5193 bool dev_gone = false;
5194
5195 brcms_dbg_info(wlc->hw->d11core, "wl%d\n", wlc->pub->unit);
5196
5197
5198 if (wlc->going_down) {
5199 brcms_err(wlc->hw->d11core,
5200 "wl%d: %s: Driver going down so return\n",
5201 wlc->pub->unit, __func__);
5202 return 0;
5203 }
5204 if (!wlc->pub->up)
5205 return callbacks;
5206
5207 wlc->going_down = true;
5208
5209 callbacks += brcms_b_bmac_down_prep(wlc->hw);
5210
5211 dev_gone = brcms_deviceremoved(wlc);
5212
5213
5214 for (i = 0; i < BRCMS_MAXMODULES; i++) {
5215 if (wlc->modulecb[i].down_fn)
5216 callbacks +=
5217 wlc->modulecb[i].down_fn(wlc->modulecb[i].hdl);
5218 }
5219
5220
5221 if (wlc->WDarmed) {
5222 if (!brcms_del_timer(wlc->wdtimer))
5223 callbacks++;
5224 wlc->WDarmed = false;
5225 }
5226
5227 callbacks += brcms_c_down_del_timer(wlc);
5228
5229 wlc->pub->up = false;
5230
5231 wlc_phy_mute_upd(wlc->band->pi, false, PHY_MUTE_ALL);
5232
5233 callbacks += brcms_b_down_finish(wlc->hw);
5234
5235
5236 wlc->clk = false;
5237
5238 wlc->going_down = false;
5239 return callbacks;
5240}
5241
5242
5243int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config)
5244{
5245 int ret = 0;
5246 uint i;
5247 struct brcms_c_rateset rs;
5248
5249
5250 s8 shortslot = BRCMS_SHORTSLOT_AUTO;
5251 bool shortslot_restrict = false;
5252
5253
5254 bool ofdm_basic = false;
5255
5256 int preamble = BRCMS_PLCP_LONG;
5257 bool preamble_restrict = false;
5258
5259
5260 struct brcms_band *band;
5261
5262
5263
5264
5265 if ((wlc->pub->_n_enab & SUPPORT_11N) && gmode == GMODE_LEGACY_B)
5266 return -ENOTSUPP;
5267
5268
5269 if (wlc->band->bandtype == BRCM_BAND_2G)
5270 band = wlc->band;
5271 else if ((wlc->pub->_nbands > 1) &&
5272 (wlc->bandstate[OTHERBANDUNIT(wlc)]->bandtype == BRCM_BAND_2G))
5273 band = wlc->bandstate[OTHERBANDUNIT(wlc)];
5274 else
5275 return -EINVAL;
5276
5277
5278 if (config)
5279 brcms_c_protection_upd(wlc, BRCMS_PROT_G_USER, gmode);
5280
5281
5282 memset(&rs, 0, sizeof(rs));
5283
5284 switch (gmode) {
5285 case GMODE_LEGACY_B:
5286 shortslot = BRCMS_SHORTSLOT_OFF;
5287 brcms_c_rateset_copy(&gphy_legacy_rates, &rs);
5288
5289 break;
5290
5291 case GMODE_LRS:
5292 break;
5293
5294 case GMODE_AUTO:
5295
5296 break;
5297
5298 case GMODE_ONLY:
5299 ofdm_basic = true;
5300 preamble = BRCMS_PLCP_SHORT;
5301 preamble_restrict = true;
5302 break;
5303
5304 case GMODE_PERFORMANCE:
5305 shortslot = BRCMS_SHORTSLOT_ON;
5306 shortslot_restrict = true;
5307 ofdm_basic = true;
5308 preamble = BRCMS_PLCP_SHORT;
5309 preamble_restrict = true;
5310 break;
5311
5312 default:
5313
5314 brcms_err(wlc->hw->d11core, "wl%d: %s: invalid gmode %d\n",
5315 wlc->pub->unit, __func__, gmode);
5316 return -ENOTSUPP;
5317 }
5318
5319 band->gmode = gmode;
5320
5321 wlc->shortslot_override = shortslot;
5322
5323
5324 if (!rs.count)
5325 brcms_c_rateset_copy(&cck_ofdm_rates, &rs);
5326
5327 if (ofdm_basic) {
5328 for (i = 0; i < rs.count; i++) {
5329 if (rs.rates[i] == BRCM_RATE_6M
5330 || rs.rates[i] == BRCM_RATE_12M
5331 || rs.rates[i] == BRCM_RATE_24M)
5332 rs.rates[i] |= BRCMS_RATE_FLAG;
5333 }
5334 }
5335
5336
5337 wlc->default_bss->rateset.count = rs.count;
5338 memcpy(wlc->default_bss->rateset.rates, rs.rates,
5339 sizeof(wlc->default_bss->rateset.rates));
5340
5341 return ret;
5342}
5343
5344int brcms_c_set_nmode(struct brcms_c_info *wlc)
5345{
5346 uint i;
5347 s32 nmode = AUTO;
5348
5349 if (wlc->stf->txstreams == WL_11N_3x3)
5350 nmode = WL_11N_3x3;
5351 else
5352 nmode = WL_11N_2x2;
5353
5354
5355 brcms_c_set_gmode(wlc, GMODE_AUTO, true);
5356 if (nmode == WL_11N_3x3)
5357 wlc->pub->_n_enab = SUPPORT_HT;
5358 else
5359 wlc->pub->_n_enab = SUPPORT_11N;
5360 wlc->default_bss->flags |= BRCMS_BSS_HT;
5361
5362 brcms_c_rateset_mcs_build(&wlc->default_bss->rateset,
5363 wlc->stf->txstreams);
5364 for (i = 0; i < wlc->pub->_nbands; i++)
5365 memcpy(wlc->bandstate[i]->hw_rateset.mcs,
5366 wlc->default_bss->rateset.mcs, MCSSET_LEN);
5367
5368 return 0;
5369}
5370
5371static int
5372brcms_c_set_internal_rateset(struct brcms_c_info *wlc,
5373 struct brcms_c_rateset *rs_arg)
5374{
5375 struct brcms_c_rateset rs, new;
5376 uint bandunit;
5377
5378 memcpy(&rs, rs_arg, sizeof(struct brcms_c_rateset));
5379
5380
5381 if ((rs.count == 0) || (rs.count > BRCMS_NUMRATES))
5382 return -EINVAL;
5383
5384
5385 bandunit = wlc->band->bandunit;
5386 memcpy(&new, &rs, sizeof(struct brcms_c_rateset));
5387 if (brcms_c_rate_hwrs_filter_sort_validate
5388 (&new, &wlc->bandstate[bandunit]->hw_rateset, true,
5389 wlc->stf->txstreams))
5390 goto good;
5391
5392
5393 if (brcms_is_mband_unlocked(wlc)) {
5394 bandunit = OTHERBANDUNIT(wlc);
5395 memcpy(&new, &rs, sizeof(struct brcms_c_rateset));
5396 if (brcms_c_rate_hwrs_filter_sort_validate(&new,
5397 &wlc->
5398 bandstate[bandunit]->
5399 hw_rateset, true,
5400 wlc->stf->txstreams))
5401 goto good;
5402 }
5403
5404 return -EBADE;
5405
5406 good:
5407
5408 memcpy(&wlc->default_bss->rateset, &new,
5409 sizeof(struct brcms_c_rateset));
5410 memcpy(&wlc->bandstate[bandunit]->defrateset, &new,
5411 sizeof(struct brcms_c_rateset));
5412 return 0;
5413}
5414
5415static void brcms_c_ofdm_rateset_war(struct brcms_c_info *wlc)
5416{
5417 u8 r;
5418 bool war = false;
5419
5420 if (wlc->pub->associated)
5421 r = wlc->bsscfg->current_bss->rateset.rates[0];
5422 else
5423 r = wlc->default_bss->rateset.rates[0];
5424
5425 wlc_phy_ofdm_rateset_war(wlc->band->pi, war);
5426}
5427
5428int brcms_c_set_channel(struct brcms_c_info *wlc, u16 channel)
5429{
5430 u16 chspec = ch20mhz_chspec(channel);
5431
5432 if (channel < 0 || channel > MAXCHANNEL)
5433 return -EINVAL;
5434
5435 if (!brcms_c_valid_chanspec_db(wlc->cmi, chspec))
5436 return -EINVAL;
5437
5438
5439 if (!wlc->pub->up && brcms_is_mband_unlocked(wlc)) {
5440 if (wlc->band->bandunit != chspec_bandunit(chspec))
5441 wlc->bandinit_pending = true;
5442 else
5443 wlc->bandinit_pending = false;
5444 }
5445
5446 wlc->default_bss->chanspec = chspec;
5447
5448
5449 if (wlc->pub->up && (wlc_phy_chanspec_get(wlc->band->pi) != chspec)) {
5450 brcms_c_set_home_chanspec(wlc, chspec);
5451 brcms_c_suspend_mac_and_wait(wlc);
5452 brcms_c_set_chanspec(wlc, chspec);
5453 brcms_c_enable_mac(wlc);
5454 }
5455 return 0;
5456}
5457
5458int brcms_c_set_rate_limit(struct brcms_c_info *wlc, u16 srl, u16 lrl)
5459{
5460 int ac;
5461
5462 if (srl < 1 || srl > RETRY_SHORT_MAX ||
5463 lrl < 1 || lrl > RETRY_SHORT_MAX)
5464 return -EINVAL;
5465
5466 wlc->SRL = srl;
5467 wlc->LRL = lrl;
5468
5469 brcms_b_retrylimit_upd(wlc->hw, wlc->SRL, wlc->LRL);
5470
5471 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
5472 wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac],
5473 EDCF_SHORT, wlc->SRL);
5474 wlc->wme_retries[ac] = SFIELD(wlc->wme_retries[ac],
5475 EDCF_LONG, wlc->LRL);
5476 }
5477 brcms_c_wme_retries_write(wlc);
5478
5479 return 0;
5480}
5481
5482void brcms_c_get_current_rateset(struct brcms_c_info *wlc,
5483 struct brcm_rateset *currs)
5484{
5485 struct brcms_c_rateset *rs;
5486
5487 if (wlc->pub->associated)
5488 rs = &wlc->bsscfg->current_bss->rateset;
5489 else
5490 rs = &wlc->default_bss->rateset;
5491
5492
5493 currs->count = rs->count;
5494 memcpy(&currs->rates, &rs->rates, rs->count);
5495}
5496
5497int brcms_c_set_rateset(struct brcms_c_info *wlc, struct brcm_rateset *rs)
5498{
5499 struct brcms_c_rateset internal_rs;
5500 int bcmerror;
5501
5502 if (rs->count > BRCMS_NUMRATES)
5503 return -ENOBUFS;
5504
5505 memset(&internal_rs, 0, sizeof(internal_rs));
5506
5507
5508 internal_rs.count = rs->count;
5509 memcpy(&internal_rs.rates, &rs->rates, internal_rs.count);
5510
5511
5512 if (wlc->pub->_n_enab & SUPPORT_11N) {
5513 struct brcms_bss_info *mcsset_bss;
5514 if (wlc->pub->associated)
5515 mcsset_bss = wlc->bsscfg->current_bss;
5516 else
5517 mcsset_bss = wlc->default_bss;
5518 memcpy(internal_rs.mcs, &mcsset_bss->rateset.mcs[0],
5519 MCSSET_LEN);
5520 }
5521
5522 bcmerror = brcms_c_set_internal_rateset(wlc, &internal_rs);
5523 if (!bcmerror)
5524 brcms_c_ofdm_rateset_war(wlc);
5525
5526 return bcmerror;
5527}
5528
5529static void brcms_c_time_lock(struct brcms_c_info *wlc)
5530{
5531 bcma_set32(wlc->hw->d11core, D11REGOFFS(maccontrol), MCTL_TBTTHOLD);
5532
5533 bcma_read32(wlc->hw->d11core, D11REGOFFS(maccontrol));
5534}
5535
5536static void brcms_c_time_unlock(struct brcms_c_info *wlc)
5537{
5538 bcma_mask32(wlc->hw->d11core, D11REGOFFS(maccontrol), ~MCTL_TBTTHOLD);
5539
5540 bcma_read32(wlc->hw->d11core, D11REGOFFS(maccontrol));
5541}
5542
5543int brcms_c_set_beacon_period(struct brcms_c_info *wlc, u16 period)
5544{
5545 u32 bcnint_us;
5546
5547 if (period == 0)
5548 return -EINVAL;
5549
5550 wlc->default_bss->beacon_period = period;
5551
5552 bcnint_us = period << 10;
5553 brcms_c_time_lock(wlc);
5554 bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_cfprep),
5555 (bcnint_us << CFPREP_CBI_SHIFT));
5556 bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_cfpstart), bcnint_us);
5557 brcms_c_time_unlock(wlc);
5558
5559 return 0;
5560}
5561
5562u16 brcms_c_get_phy_type(struct brcms_c_info *wlc, int phyidx)
5563{
5564 return wlc->band->phytype;
5565}
5566
5567void brcms_c_set_shortslot_override(struct brcms_c_info *wlc, s8 sslot_override)
5568{
5569 wlc->shortslot_override = sslot_override;
5570
5571
5572
5573
5574
5575 if (wlc->band->bandtype == BRCM_BAND_5G)
5576 return;
5577
5578 if (wlc->pub->up && wlc->pub->associated) {
5579
5580 } else if (wlc->pub->up) {
5581
5582 brcms_c_switch_shortslot(wlc, false);
5583 } else {
5584
5585
5586 if (wlc->shortslot_override == BRCMS_SHORTSLOT_AUTO)
5587 wlc->shortslot = false;
5588 else
5589 wlc->shortslot =
5590 (wlc->shortslot_override ==
5591 BRCMS_SHORTSLOT_ON);
5592 }
5593}
5594
5595
5596
5597
5598int brcms_c_module_register(struct brcms_pub *pub,
5599 const char *name, struct brcms_info *hdl,
5600 int (*d_fn)(void *handle))
5601{
5602 struct brcms_c_info *wlc = (struct brcms_c_info *) pub->wlc;
5603 int i;
5604
5605
5606 for (i = 0; i < BRCMS_MAXMODULES; i++) {
5607 if (wlc->modulecb[i].name[0] == '\0') {
5608 strncpy(wlc->modulecb[i].name, name,
5609 sizeof(wlc->modulecb[i].name) - 1);
5610 wlc->modulecb[i].hdl = hdl;
5611 wlc->modulecb[i].down_fn = d_fn;
5612 return 0;
5613 }
5614 }
5615
5616 return -ENOSR;
5617}
5618
5619
5620int brcms_c_module_unregister(struct brcms_pub *pub, const char *name,
5621 struct brcms_info *hdl)
5622{
5623 struct brcms_c_info *wlc = (struct brcms_c_info *) pub->wlc;
5624 int i;
5625
5626 if (wlc == NULL)
5627 return -ENODATA;
5628
5629 for (i = 0; i < BRCMS_MAXMODULES; i++) {
5630 if (!strcmp(wlc->modulecb[i].name, name) &&
5631 (wlc->modulecb[i].hdl == hdl)) {
5632 memset(&wlc->modulecb[i], 0, sizeof(wlc->modulecb[i]));
5633 return 0;
5634 }
5635 }
5636
5637
5638 return -ENODATA;
5639}
5640
5641static bool brcms_c_chipmatch_pci(struct bcma_device *core)
5642{
5643 struct pci_dev *pcidev = core->bus->host_pci;
5644 u16 vendor = pcidev->vendor;
5645 u16 device = pcidev->device;
5646
5647 if (vendor != PCI_VENDOR_ID_BROADCOM) {
5648 pr_err("unknown vendor id %04x\n", vendor);
5649 return false;
5650 }
5651
5652 if (device == BCM43224_D11N_ID_VEN1 || device == BCM43224_CHIP_ID)
5653 return true;
5654 if ((device == BCM43224_D11N_ID) || (device == BCM43225_D11N2G_ID))
5655 return true;
5656 if (device == BCM4313_D11N2G_ID || device == BCM4313_CHIP_ID)
5657 return true;
5658 if ((device == BCM43236_D11N_ID) || (device == BCM43236_D11N2G_ID))
5659 return true;
5660
5661 pr_err("unknown device id %04x\n", device);
5662 return false;
5663}
5664
5665static bool brcms_c_chipmatch_soc(struct bcma_device *core)
5666{
5667 struct bcma_chipinfo *chipinfo = &core->bus->chipinfo;
5668
5669 if (chipinfo->id == BCMA_CHIP_ID_BCM4716)
5670 return true;
5671
5672 pr_err("unknown chip id %04x\n", chipinfo->id);
5673 return false;
5674}
5675
5676bool brcms_c_chipmatch(struct bcma_device *core)
5677{
5678 switch (core->bus->hosttype) {
5679 case BCMA_HOSTTYPE_PCI:
5680 return brcms_c_chipmatch_pci(core);
5681 case BCMA_HOSTTYPE_SOC:
5682 return brcms_c_chipmatch_soc(core);
5683 default:
5684 pr_err("unknown host type: %i\n", core->bus->hosttype);
5685 return false;
5686 }
5687}
5688
5689u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate)
5690{
5691 u16 table_ptr;
5692 u8 phy_rate, index;
5693
5694
5695 if (is_ofdm_rate(rate))
5696 table_ptr = M_RT_DIRMAP_A;
5697 else
5698 table_ptr = M_RT_DIRMAP_B;
5699
5700
5701
5702
5703 phy_rate = rate_info[rate] & BRCMS_RATE_MASK;
5704 index = phy_rate & 0xf;
5705
5706
5707
5708
5709 return 2 * brcms_b_read_shm(wlc_hw, table_ptr + (index * 2));
5710}
5711
5712
5713
5714
5715
5716
5717static inline u16
5718bcmc_fid_generate(struct brcms_c_info *wlc, struct brcms_bss_cfg *bsscfg,
5719 struct d11txh *txh)
5720{
5721 u16 frameid;
5722
5723 frameid = le16_to_cpu(txh->TxFrameID) & ~(TXFID_SEQ_MASK |
5724 TXFID_QUEUE_MASK);
5725 frameid |=
5726 (((wlc->
5727 mc_fid_counter++) << TXFID_SEQ_SHIFT) & TXFID_SEQ_MASK) |
5728 TX_BCMC_FIFO;
5729
5730 return frameid;
5731}
5732
5733static uint
5734brcms_c_calc_ack_time(struct brcms_c_info *wlc, u32 rspec,
5735 u8 preamble_type)
5736{
5737 uint dur = 0;
5738
5739
5740
5741
5742
5743
5744 rspec = brcms_basic_rate(wlc, rspec);
5745
5746 dur =
5747 brcms_c_calc_frame_time(wlc, rspec, preamble_type,
5748 (DOT11_ACK_LEN + FCS_LEN));
5749 return dur;
5750}
5751
5752static uint
5753brcms_c_calc_cts_time(struct brcms_c_info *wlc, u32 rspec,
5754 u8 preamble_type)
5755{
5756 return brcms_c_calc_ack_time(wlc, rspec, preamble_type);
5757}
5758
5759static uint
5760brcms_c_calc_ba_time(struct brcms_c_info *wlc, u32 rspec,
5761 u8 preamble_type)
5762{
5763
5764
5765
5766
5767
5768 rspec = brcms_basic_rate(wlc, rspec);
5769
5770 return brcms_c_calc_frame_time(wlc, rspec, preamble_type,
5771 (DOT11_BA_LEN + DOT11_BA_BITMAP_LEN +
5772 FCS_LEN));
5773}
5774
5775
5776
5777
5778
5779
5780
5781
5782
5783
5784
5785static u16
5786brcms_c_compute_frame_dur(struct brcms_c_info *wlc, u32 rate,
5787 u8 preamble_type, uint next_frag_len)
5788{
5789 u16 dur, sifs;
5790
5791 sifs = get_sifs(wlc->band);
5792
5793 dur = sifs;
5794 dur += (u16) brcms_c_calc_ack_time(wlc, rate, preamble_type);
5795
5796 if (next_frag_len) {
5797
5798 dur *= 2;
5799
5800 dur += sifs;
5801 dur +=
5802 (u16) brcms_c_calc_frame_time(wlc, rate, preamble_type,
5803 next_frag_len);
5804 }
5805 return dur;
5806}
5807
5808
5809static uint
5810brcms_c_calc_frame_len(struct brcms_c_info *wlc, u32 ratespec,
5811 u8 preamble_type, uint dur)
5812{
5813 uint nsyms, mac_len, Ndps, kNdps;
5814 uint rate = rspec2rate(ratespec);
5815
5816 if (is_mcs_rate(ratespec)) {
5817 uint mcs = ratespec & RSPEC_RATE_MASK;
5818 int tot_streams = mcs_2_txstreams(mcs) + rspec_stc(ratespec);
5819 dur -= PREN_PREAMBLE + (tot_streams * PREN_PREAMBLE_EXT);
5820
5821 if (wlc->band->bandtype == BRCM_BAND_2G)
5822 dur -= DOT11_OFDM_SIGNAL_EXTENSION;
5823
5824 kNdps = mcs_2_rate(mcs, rspec_is40mhz(ratespec),
5825 rspec_issgi(ratespec)) * 4;
5826 nsyms = dur / APHY_SYMBOL_TIME;
5827 mac_len =
5828 ((nsyms * kNdps) -
5829 ((APHY_SERVICE_NBITS + APHY_TAIL_NBITS) * 1000)) / 8000;
5830 } else if (is_ofdm_rate(ratespec)) {
5831 dur -= APHY_PREAMBLE_TIME;
5832 dur -= APHY_SIGNAL_TIME;
5833
5834 Ndps = rate * 2;
5835 nsyms = dur / APHY_SYMBOL_TIME;
5836 mac_len =
5837 ((nsyms * Ndps) -
5838 (APHY_SERVICE_NBITS + APHY_TAIL_NBITS)) / 8;
5839 } else {
5840 if (preamble_type & BRCMS_SHORT_PREAMBLE)
5841 dur -= BPHY_PLCP_SHORT_TIME;
5842 else
5843 dur -= BPHY_PLCP_TIME;
5844 mac_len = dur * rate;
5845
5846 mac_len = mac_len / 8 / 2;
5847 }
5848 return mac_len;
5849}
5850
5851
5852
5853
5854
5855static bool brcms_c_valid_rate(struct brcms_c_info *wlc, u32 rspec, int band,
5856 bool verbose)
5857{
5858 struct brcms_c_rateset *hw_rateset;
5859 uint i;
5860
5861 if ((band == BRCM_BAND_AUTO) || (band == wlc->band->bandtype))
5862 hw_rateset = &wlc->band->hw_rateset;
5863 else if (wlc->pub->_nbands > 1)
5864 hw_rateset = &wlc->bandstate[OTHERBANDUNIT(wlc)]->hw_rateset;
5865 else
5866
5867 return false;
5868
5869
5870 if (is_mcs_rate(rspec)) {
5871 if ((rspec & RSPEC_RATE_MASK) >= MCS_TABLE_SIZE)
5872 goto error;
5873
5874 return isset(hw_rateset->mcs, (rspec & RSPEC_RATE_MASK));
5875 }
5876
5877 for (i = 0; i < hw_rateset->count; i++)
5878 if (hw_rateset->rates[i] == rspec2rate(rspec))
5879 return true;
5880 error:
5881 if (verbose)
5882 brcms_err(wlc->hw->d11core, "wl%d: valid_rate: rate spec 0x%x "
5883 "not in hw_rateset\n", wlc->pub->unit, rspec);
5884
5885 return false;
5886}
5887
5888static u32
5889mac80211_wlc_set_nrate(struct brcms_c_info *wlc, struct brcms_band *cur_band,
5890 u32 int_val)
5891{
5892 struct bcma_device *core = wlc->hw->d11core;
5893 u8 stf = (int_val & NRATE_STF_MASK) >> NRATE_STF_SHIFT;
5894 u8 rate = int_val & NRATE_RATE_MASK;
5895 u32 rspec;
5896 bool ismcs = ((int_val & NRATE_MCS_INUSE) == NRATE_MCS_INUSE);
5897 bool issgi = ((int_val & NRATE_SGI_MASK) >> NRATE_SGI_SHIFT);
5898 bool override_mcs_only = ((int_val & NRATE_OVERRIDE_MCS_ONLY)
5899 == NRATE_OVERRIDE_MCS_ONLY);
5900 int bcmerror = 0;
5901
5902 if (!ismcs)
5903 return (u32) rate;
5904
5905
5906 if ((wlc->pub->_n_enab & SUPPORT_11N) && ismcs) {
5907
5908 if (stf > PHY_TXC1_MODE_SDM) {
5909 brcms_err(core, "wl%d: %s: Invalid stf\n",
5910 wlc->pub->unit, __func__);
5911 bcmerror = -EINVAL;
5912 goto done;
5913 }
5914
5915
5916 if (rate == 32) {
5917 if (!CHSPEC_IS40(wlc->home_chanspec) ||
5918 ((stf != PHY_TXC1_MODE_SISO)
5919 && (stf != PHY_TXC1_MODE_CDD))) {
5920 brcms_err(core, "wl%d: %s: Invalid mcs 32\n",
5921 wlc->pub->unit, __func__);
5922 bcmerror = -EINVAL;
5923 goto done;
5924 }
5925
5926 } else if (rate > HIGHEST_SINGLE_STREAM_MCS) {
5927
5928 if (stf != PHY_TXC1_MODE_SDM) {
5929 brcms_dbg_mac80211(core, "wl%d: enabling "
5930 "SDM mode for mcs %d\n",
5931 wlc->pub->unit, rate);
5932 stf = PHY_TXC1_MODE_SDM;
5933 }
5934 } else {
5935
5936
5937
5938
5939 if ((stf > PHY_TXC1_MODE_STBC) ||
5940 (!BRCMS_STBC_CAP_PHY(wlc)
5941 && (stf == PHY_TXC1_MODE_STBC))) {
5942 brcms_err(core, "wl%d: %s: Invalid STBC\n",
5943 wlc->pub->unit, __func__);
5944 bcmerror = -EINVAL;
5945 goto done;
5946 }
5947 }
5948 } else if (is_ofdm_rate(rate)) {
5949 if ((stf != PHY_TXC1_MODE_CDD) && (stf != PHY_TXC1_MODE_SISO)) {
5950 brcms_err(core, "wl%d: %s: Invalid OFDM\n",
5951 wlc->pub->unit, __func__);
5952 bcmerror = -EINVAL;
5953 goto done;
5954 }
5955 } else if (is_cck_rate(rate)) {
5956 if ((cur_band->bandtype != BRCM_BAND_2G)
5957 || (stf != PHY_TXC1_MODE_SISO)) {
5958 brcms_err(core, "wl%d: %s: Invalid CCK\n",
5959 wlc->pub->unit, __func__);
5960 bcmerror = -EINVAL;
5961 goto done;
5962 }
5963 } else {
5964 brcms_err(core, "wl%d: %s: Unknown rate type\n",
5965 wlc->pub->unit, __func__);
5966 bcmerror = -EINVAL;
5967 goto done;
5968 }
5969
5970 if ((stf != PHY_TXC1_MODE_SISO) && (wlc->stf->txstreams == 1)) {
5971 brcms_err(core, "wl%d: %s: SISO antenna but !SISO "
5972 "request\n", wlc->pub->unit, __func__);
5973 bcmerror = -EINVAL;
5974 goto done;
5975 }
5976
5977 rspec = rate;
5978 if (ismcs) {
5979 rspec |= RSPEC_MIMORATE;
5980
5981 if (stf == PHY_TXC1_MODE_STBC) {
5982 u8 stc;
5983 stc = 1;
5984 rspec |= (stc << RSPEC_STC_SHIFT);
5985 }
5986 }
5987
5988 rspec |= (stf << RSPEC_STF_SHIFT);
5989
5990 if (override_mcs_only)
5991 rspec |= RSPEC_OVERRIDE_MCS_ONLY;
5992
5993 if (issgi)
5994 rspec |= RSPEC_SHORT_GI;
5995
5996 if ((rate != 0)
5997 && !brcms_c_valid_rate(wlc, rspec, cur_band->bandtype, true))
5998 return rate;
5999
6000 return rspec;
6001done:
6002 return rate;
6003}
6004
6005
6006
6007
6008
6009
6010
6011
6012static void brcms_c_cck_plcp_set(struct brcms_c_info *wlc, int rate_500,
6013 uint length, u8 *plcp)
6014{
6015 u16 usec = 0;
6016 u8 le = 0;
6017
6018 switch (rate_500) {
6019 case BRCM_RATE_1M:
6020 usec = length << 3;
6021 break;
6022 case BRCM_RATE_2M:
6023 usec = length << 2;
6024 break;
6025 case BRCM_RATE_5M5:
6026 usec = (length << 4) / 11;
6027 if ((length << 4) - (usec * 11) > 0)
6028 usec++;
6029 break;
6030 case BRCM_RATE_11M:
6031 usec = (length << 3) / 11;
6032 if ((length << 3) - (usec * 11) > 0) {
6033 usec++;
6034 if ((usec * 11) - (length << 3) >= 8)
6035 le = D11B_PLCP_SIGNAL_LE;
6036 }
6037 break;
6038
6039 default:
6040 brcms_err(wlc->hw->d11core,
6041 "brcms_c_cck_plcp_set: unsupported rate %d\n",
6042 rate_500);
6043 rate_500 = BRCM_RATE_1M;
6044 usec = length << 3;
6045 break;
6046 }
6047
6048 plcp[0] = rate_500 * 5;
6049
6050 plcp[1] = (u8) (le | D11B_PLCP_SIGNAL_LOCKED);
6051
6052 plcp[2] = usec & 0xff;
6053 plcp[3] = (usec >> 8) & 0xff;
6054
6055 plcp[4] = 0;
6056 plcp[5] = 0;
6057}
6058
6059
6060static void brcms_c_compute_mimo_plcp(u32 rspec, uint length, u8 *plcp)
6061{
6062 u8 mcs = (u8) (rspec & RSPEC_RATE_MASK);
6063 plcp[0] = mcs;
6064 if (rspec_is40mhz(rspec) || (mcs == 32))
6065 plcp[0] |= MIMO_PLCP_40MHZ;
6066 BRCMS_SET_MIMO_PLCP_LEN(plcp, length);
6067 plcp[3] = rspec_mimoplcp3(rspec);
6068 plcp[3] |= 0x7;
6069 plcp[4] = 0;
6070 plcp[5] = 0;
6071}
6072
6073
6074static void
6075brcms_c_compute_ofdm_plcp(u32 rspec, u32 length, u8 *plcp)
6076{
6077 u8 rate_signal;
6078 u32 tmp = 0;
6079 int rate = rspec2rate(rspec);
6080
6081
6082
6083
6084
6085 rate_signal = rate_info[rate] & BRCMS_RATE_MASK;
6086 memset(plcp, 0, D11_PHY_HDR_LEN);
6087 D11A_PHY_HDR_SRATE((struct ofdm_phy_hdr *) plcp, rate_signal);
6088
6089 tmp = (length & 0xfff) << 5;
6090 plcp[2] |= (tmp >> 16) & 0xff;
6091 plcp[1] |= (tmp >> 8) & 0xff;
6092 plcp[0] |= tmp & 0xff;
6093}
6094
6095
6096static void brcms_c_compute_cck_plcp(struct brcms_c_info *wlc, u32 rspec,
6097 uint length, u8 *plcp)
6098{
6099 int rate = rspec2rate(rspec);
6100
6101 brcms_c_cck_plcp_set(wlc, rate, length, plcp);
6102}
6103
6104static void
6105brcms_c_compute_plcp(struct brcms_c_info *wlc, u32 rspec,
6106 uint length, u8 *plcp)
6107{
6108 if (is_mcs_rate(rspec))
6109 brcms_c_compute_mimo_plcp(rspec, length, plcp);
6110 else if (is_ofdm_rate(rspec))
6111 brcms_c_compute_ofdm_plcp(rspec, length, plcp);
6112 else
6113 brcms_c_compute_cck_plcp(wlc, rspec, length, plcp);
6114}
6115
6116
6117
6118
6119
6120
6121
6122
6123
6124
6125
6126
6127u16
6128brcms_c_compute_rtscts_dur(struct brcms_c_info *wlc, bool cts_only,
6129 u32 rts_rate,
6130 u32 frame_rate, u8 rts_preamble_type,
6131 u8 frame_preamble_type, uint frame_len, bool ba)
6132{
6133 u16 dur, sifs;
6134
6135 sifs = get_sifs(wlc->band);
6136
6137 if (!cts_only) {
6138
6139 dur = 3 * sifs;
6140 dur +=
6141 (u16) brcms_c_calc_cts_time(wlc, rts_rate,
6142 rts_preamble_type);
6143 } else {
6144
6145 dur = 2 * sifs;
6146 }
6147
6148 dur +=
6149 (u16) brcms_c_calc_frame_time(wlc, frame_rate, frame_preamble_type,
6150 frame_len);
6151 if (ba)
6152 dur +=
6153 (u16) brcms_c_calc_ba_time(wlc, frame_rate,
6154 BRCMS_SHORT_PREAMBLE);
6155 else
6156 dur +=
6157 (u16) brcms_c_calc_ack_time(wlc, frame_rate,
6158 frame_preamble_type);
6159 return dur;
6160}
6161
6162static u16 brcms_c_phytxctl1_calc(struct brcms_c_info *wlc, u32 rspec)
6163{
6164 u16 phyctl1 = 0;
6165 u16 bw;
6166
6167 if (BRCMS_ISLCNPHY(wlc->band)) {
6168 bw = PHY_TXC1_BW_20MHZ;
6169 } else {
6170 bw = rspec_get_bw(rspec);
6171
6172 if (bw < PHY_TXC1_BW_20MHZ) {
6173 brcms_err(wlc->hw->d11core, "phytxctl1_calc: bw %d is "
6174 "not supported yet, set to 20L\n", bw);
6175 bw = PHY_TXC1_BW_20MHZ;
6176 }
6177 }
6178
6179 if (is_mcs_rate(rspec)) {
6180 uint mcs = rspec & RSPEC_RATE_MASK;
6181
6182
6183 phyctl1 = rspec_phytxbyte2(rspec);
6184
6185 phyctl1 |= (mcs_table[mcs].tx_phy_ctl3 << 8);
6186 } else if (is_cck_rate(rspec) && !BRCMS_ISLCNPHY(wlc->band)
6187 && !BRCMS_ISSSLPNPHY(wlc->band)) {
6188
6189
6190
6191
6192
6193
6194 phyctl1 = (bw | (rspec_stf(rspec) << PHY_TXC1_MODE_SHIFT));
6195 } else {
6196 s16 phycfg;
6197
6198 phycfg = brcms_c_rate_legacy_phyctl(rspec2rate(rspec));
6199 if (phycfg == -1) {
6200 brcms_err(wlc->hw->d11core, "phytxctl1_calc: wrong "
6201 "legacy OFDM/CCK rate\n");
6202 phycfg = 0;
6203 }
6204
6205 phyctl1 =
6206 (bw | (phycfg << 8) |
6207 (rspec_stf(rspec) << PHY_TXC1_MODE_SHIFT));
6208 }
6209 return phyctl1;
6210}
6211
6212
6213
6214
6215
6216
6217
6218
6219
6220
6221static u16
6222brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc, struct ieee80211_hw *hw,
6223 struct sk_buff *p, struct scb *scb, uint frag,
6224 uint nfrags, uint queue, uint next_frag_len)
6225{
6226 struct ieee80211_hdr *h;
6227 struct d11txh *txh;
6228 u8 *plcp, plcp_fallback[D11_PHY_HDR_LEN];
6229 int len, phylen, rts_phylen;
6230 u16 mch, phyctl, xfts, mainrates;
6231 u16 seq = 0, mcl = 0, status = 0, frameid = 0;
6232 u32 rspec[2] = { BRCM_RATE_1M, BRCM_RATE_1M };
6233 u32 rts_rspec[2] = { BRCM_RATE_1M, BRCM_RATE_1M };
6234 bool use_rts = false;
6235 bool use_cts = false;
6236 bool use_rifs = false;
6237 bool short_preamble[2] = { false, false };
6238 u8 preamble_type[2] = { BRCMS_LONG_PREAMBLE, BRCMS_LONG_PREAMBLE };
6239 u8 rts_preamble_type[2] = { BRCMS_LONG_PREAMBLE, BRCMS_LONG_PREAMBLE };
6240 u8 *rts_plcp, rts_plcp_fallback[D11_PHY_HDR_LEN];
6241 struct ieee80211_rts *rts = NULL;
6242 bool qos;
6243 uint ac;
6244 bool hwtkmic = false;
6245 u16 mimo_ctlchbw = PHY_TXC1_BW_20MHZ;
6246#define ANTCFG_NONE 0xFF
6247 u8 antcfg = ANTCFG_NONE;
6248 u8 fbantcfg = ANTCFG_NONE;
6249 uint phyctl1_stf = 0;
6250 u16 durid = 0;
6251 struct ieee80211_tx_rate *txrate[2];
6252 int k;
6253 struct ieee80211_tx_info *tx_info;
6254 bool is_mcs;
6255 u16 mimo_txbw;
6256 u8 mimo_preamble_type;
6257
6258
6259 h = (struct ieee80211_hdr *)(p->data);
6260 qos = ieee80211_is_data_qos(h->frame_control);
6261
6262
6263 len = p->len;
6264 phylen = len + FCS_LEN;
6265
6266
6267 tx_info = IEEE80211_SKB_CB(p);
6268
6269
6270 plcp = skb_push(p, D11_PHY_HDR_LEN);
6271
6272
6273 txh = (struct d11txh *) skb_push(p, D11_TXH_LEN);
6274 memset(txh, 0, D11_TXH_LEN);
6275
6276
6277 if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
6278
6279 if (queue == TX_BCMC_FIFO) {
6280 brcms_err(wlc->hw->d11core,
6281 "wl%d: %s: ASSERT queue == TX_BCMC!\n",
6282 wlc->pub->unit, __func__);
6283 frameid = bcmc_fid_generate(wlc, NULL, txh);
6284 } else {
6285
6286 if (tx_info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
6287 scb->seqnum[p->priority]++;
6288
6289
6290 seq = le16_to_cpu(h->seq_ctrl) & FRAGNUM_MASK;
6291 seq |= (scb->seqnum[p->priority] << SEQNUM_SHIFT);
6292 h->seq_ctrl = cpu_to_le16(seq);
6293
6294 frameid = ((seq << TXFID_SEQ_SHIFT) & TXFID_SEQ_MASK) |
6295 (queue & TXFID_QUEUE_MASK);
6296 }
6297 }
6298 frameid |= queue & TXFID_QUEUE_MASK;
6299
6300
6301 if (ieee80211_is_beacon(h->frame_control))
6302 mcl |= TXC_IGNOREPMQ;
6303
6304 txrate[0] = tx_info->control.rates;
6305 txrate[1] = txrate[0] + 1;
6306
6307
6308
6309
6310
6311 if (txrate[1]->idx < 0)
6312 txrate[1] = txrate[0];
6313
6314 for (k = 0; k < hw->max_rates; k++) {
6315 is_mcs = txrate[k]->flags & IEEE80211_TX_RC_MCS ? true : false;
6316 if (!is_mcs) {
6317 if ((txrate[k]->idx >= 0)
6318 && (txrate[k]->idx <
6319 hw->wiphy->bands[tx_info->band]->n_bitrates)) {
6320 rspec[k] =
6321 hw->wiphy->bands[tx_info->band]->
6322 bitrates[txrate[k]->idx].hw_value;
6323 short_preamble[k] =
6324 txrate[k]->
6325 flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE ?
6326 true : false;
6327 } else {
6328 rspec[k] = BRCM_RATE_1M;
6329 }
6330 } else {
6331 rspec[k] = mac80211_wlc_set_nrate(wlc, wlc->band,
6332 NRATE_MCS_INUSE | txrate[k]->idx);
6333 }
6334
6335
6336
6337
6338
6339
6340 use_rts |=
6341 txrate[k]->
6342 flags & IEEE80211_TX_RC_USE_RTS_CTS ? true : false;
6343 use_cts |=
6344 txrate[k]->
6345 flags & IEEE80211_TX_RC_USE_CTS_PROTECT ? true : false;
6346
6347
6348
6349
6350
6351
6352
6353 if (!rspec_active(rspec[k])) {
6354 rspec[k] = BRCM_RATE_1M;
6355 } else {
6356 if (!is_multicast_ether_addr(h->addr1)) {
6357
6358 brcms_c_antsel_antcfg_get(wlc->asi, false,
6359 false, 0, 0, &antcfg, &fbantcfg);
6360 }
6361 }
6362 }
6363
6364 phyctl1_stf = wlc->stf->ss_opmode;
6365
6366 if (wlc->pub->_n_enab & SUPPORT_11N) {
6367 for (k = 0; k < hw->max_rates; k++) {
6368
6369
6370
6371
6372 if (((is_mcs_rate(rspec[k]) &&
6373 is_single_stream(rspec[k] & RSPEC_RATE_MASK)) ||
6374 is_ofdm_rate(rspec[k]))
6375 && ((rspec[k] & RSPEC_OVERRIDE_MCS_ONLY)
6376 || !(rspec[k] & RSPEC_OVERRIDE))) {
6377 rspec[k] &= ~(RSPEC_STF_MASK | RSPEC_STC_MASK);
6378
6379
6380 if (is_mcs_rate(rspec[k])
6381 && BRCMS_STF_SS_STBC_TX(wlc, scb)) {
6382 u8 stc;
6383
6384
6385 stc = 1;
6386 rspec[k] |= (PHY_TXC1_MODE_STBC <<
6387 RSPEC_STF_SHIFT) |
6388 (stc << RSPEC_STC_SHIFT);
6389 } else
6390 rspec[k] |=
6391 (phyctl1_stf << RSPEC_STF_SHIFT);
6392 }
6393
6394
6395
6396
6397
6398 if (brcms_chspec_bw(wlc->chanspec) == BRCMS_40_MHZ) {
6399
6400 mimo_ctlchbw = mimo_txbw =
6401 CHSPEC_SB_UPPER(wlc_phy_chanspec_get(
6402 wlc->band->pi))
6403 ? PHY_TXC1_BW_20MHZ_UP : PHY_TXC1_BW_20MHZ;
6404
6405 if (is_mcs_rate(rspec[k])) {
6406
6407 if ((rspec[k] & RSPEC_RATE_MASK)
6408 == 32) {
6409 mimo_txbw =
6410 PHY_TXC1_BW_40MHZ_DUP;
6411
6412 } else if (wlc->mimo_40txbw != AUTO)
6413 mimo_txbw = wlc->mimo_40txbw;
6414
6415 else if (scb->flags & SCB_IS40)
6416 mimo_txbw = PHY_TXC1_BW_40MHZ;
6417 } else if (is_ofdm_rate(rspec[k])) {
6418 if (wlc->ofdm_40txbw != AUTO)
6419 mimo_txbw = wlc->ofdm_40txbw;
6420 } else if (wlc->cck_40txbw != AUTO) {
6421 mimo_txbw = wlc->cck_40txbw;
6422 }
6423 } else {
6424
6425
6426
6427
6428
6429 if ((rspec[k] & RSPEC_RATE_MASK) == 32)
6430
6431 rspec[k] = RSPEC_MIMORATE;
6432
6433 mimo_txbw = PHY_TXC1_BW_20MHZ;
6434 }
6435
6436
6437 rspec[k] &= ~RSPEC_BW_MASK;
6438 if ((k == 0) || ((k > 0) && is_mcs_rate(rspec[k])))
6439 rspec[k] |= (mimo_txbw << RSPEC_BW_SHIFT);
6440 else
6441 rspec[k] |= (mimo_ctlchbw << RSPEC_BW_SHIFT);
6442
6443
6444 rspec[k] &= ~RSPEC_SHORT_GI;
6445
6446 mimo_preamble_type = BRCMS_MM_PREAMBLE;
6447 if (txrate[k]->flags & IEEE80211_TX_RC_GREEN_FIELD)
6448 mimo_preamble_type = BRCMS_GF_PREAMBLE;
6449
6450 if ((txrate[k]->flags & IEEE80211_TX_RC_MCS)
6451 && (!is_mcs_rate(rspec[k]))) {
6452 brcms_warn(wlc->hw->d11core,
6453 "wl%d: %s: IEEE80211_TX_RC_MCS != is_mcs_rate(rspec)\n",
6454 wlc->pub->unit, __func__);
6455 }
6456
6457 if (is_mcs_rate(rspec[k])) {
6458 preamble_type[k] = mimo_preamble_type;
6459
6460
6461
6462
6463
6464 if ((rspec[k] & RSPEC_SHORT_GI)
6465 && is_single_stream(rspec[k] &
6466 RSPEC_RATE_MASK))
6467 preamble_type[k] = BRCMS_MM_PREAMBLE;
6468 }
6469
6470
6471 if (!is_mcs_rate(rspec[0])
6472 && (tx_info->control.rates[0].
6473 flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE))
6474 preamble_type[k] = BRCMS_SHORT_PREAMBLE;
6475 }
6476 } else {
6477 for (k = 0; k < hw->max_rates; k++) {
6478
6479 rspec[k] &= ~RSPEC_BW_MASK;
6480 rspec[k] |= (PHY_TXC1_BW_20MHZ << RSPEC_BW_SHIFT);
6481
6482
6483 if (BRCMS_ISNPHY(wlc->band) && is_ofdm_rate(rspec[k])) {
6484 rspec[k] &= ~RSPEC_STF_MASK;
6485 rspec[k] |= phyctl1_stf << RSPEC_STF_SHIFT;
6486 }
6487 }
6488 }
6489
6490
6491 txrate[0]->count = 0;
6492 txrate[1]->count = 0;
6493
6494
6495 if ((ieee80211_is_data(h->frame_control) ||
6496 ieee80211_is_mgmt(h->frame_control)) &&
6497 (phylen > wlc->RTSThresh) && !is_multicast_ether_addr(h->addr1))
6498 use_rts = true;
6499
6500
6501
6502 brcms_c_compute_plcp(wlc, rspec[0], phylen, plcp);
6503 brcms_c_compute_plcp(wlc, rspec[1], phylen, plcp_fallback);
6504 memcpy(&txh->FragPLCPFallback,
6505 plcp_fallback, sizeof(txh->FragPLCPFallback));
6506
6507
6508 if (is_cck_rate(rspec[1])) {
6509 txh->FragPLCPFallback[4] = phylen & 0xff;
6510 txh->FragPLCPFallback[5] = (phylen & 0xff00) >> 8;
6511 }
6512
6513
6514 mainrates = is_ofdm_rate(rspec[0]) ?
6515 D11A_PHY_HDR_GRATE((struct ofdm_phy_hdr *) plcp) :
6516 plcp[0];
6517
6518
6519 if (!ieee80211_is_pspoll(h->frame_control) &&
6520 !is_multicast_ether_addr(h->addr1) && !use_rifs) {
6521 durid =
6522 brcms_c_compute_frame_dur(wlc, rspec[0], preamble_type[0],
6523 next_frag_len);
6524 h->duration_id = cpu_to_le16(durid);
6525 } else if (use_rifs) {
6526
6527 durid =
6528 (u16) brcms_c_calc_frame_time(wlc, rspec[0],
6529 preamble_type[0],
6530 DOT11_MAX_FRAG_LEN);
6531 durid += RIFS_11N_TIME;
6532 h->duration_id = cpu_to_le16(durid);
6533 }
6534
6535
6536 if (ieee80211_is_pspoll(h->frame_control))
6537 txh->FragDurFallback = h->duration_id;
6538 else if (is_multicast_ether_addr(h->addr1) || use_rifs)
6539 txh->FragDurFallback = 0;
6540 else {
6541 durid = brcms_c_compute_frame_dur(wlc, rspec[1],
6542 preamble_type[1], next_frag_len);
6543 txh->FragDurFallback = cpu_to_le16(durid);
6544 }
6545
6546
6547 if (frag == 0)
6548 mcl |= TXC_STARTMSDU;
6549
6550 if (!is_multicast_ether_addr(h->addr1))
6551 mcl |= TXC_IMMEDACK;
6552
6553 if (wlc->band->bandtype == BRCM_BAND_5G)
6554 mcl |= TXC_FREQBAND_5G;
6555
6556 if (CHSPEC_IS40(wlc_phy_chanspec_get(wlc->band->pi)))
6557 mcl |= TXC_BW_40;
6558
6559
6560 if (hwtkmic)
6561 mcl |= TXC_AMIC;
6562
6563 txh->MacTxControlLow = cpu_to_le16(mcl);
6564
6565
6566 mch = 0;
6567
6568
6569 if ((preamble_type[1] == BRCMS_SHORT_PREAMBLE) ||
6570 (preamble_type[1] == BRCMS_GF_PREAMBLE)) {
6571 if (rspec2rate(rspec[1]) != BRCM_RATE_1M)
6572 mch |= TXC_PREAMBLE_DATA_FB_SHORT;
6573 }
6574
6575
6576 memcpy(&txh->MacFrameControl, &h->frame_control, sizeof(u16));
6577 txh->TxFesTimeNormal = cpu_to_le16(0);
6578
6579 txh->TxFesTimeFallback = cpu_to_le16(0);
6580
6581
6582 memcpy(&txh->TxFrameRA, &h->addr1, ETH_ALEN);
6583
6584
6585 txh->TxFrameID = cpu_to_le16(frameid);
6586
6587
6588
6589
6590
6591 txh->TxStatus = cpu_to_le16(status);
6592
6593
6594
6595
6596
6597 txh->MaxNMpdus = cpu_to_le16(0);
6598 txh->MaxABytes_MRT = cpu_to_le16(0);
6599 txh->MaxABytes_FBR = cpu_to_le16(0);
6600 txh->MinMBytes = cpu_to_le16(0);
6601
6602
6603
6604
6605 if (use_rts || use_cts) {
6606 if (use_rts && use_cts)
6607 use_cts = false;
6608
6609 for (k = 0; k < 2; k++) {
6610 rts_rspec[k] = brcms_c_rspec_to_rts_rspec(wlc, rspec[k],
6611 false,
6612 mimo_ctlchbw);
6613 }
6614
6615 if (!is_ofdm_rate(rts_rspec[0]) &&
6616 !((rspec2rate(rts_rspec[0]) == BRCM_RATE_1M) ||
6617 (wlc->PLCPHdr_override == BRCMS_PLCP_LONG))) {
6618 rts_preamble_type[0] = BRCMS_SHORT_PREAMBLE;
6619 mch |= TXC_PREAMBLE_RTS_MAIN_SHORT;
6620 }
6621
6622 if (!is_ofdm_rate(rts_rspec[1]) &&
6623 !((rspec2rate(rts_rspec[1]) == BRCM_RATE_1M) ||
6624 (wlc->PLCPHdr_override == BRCMS_PLCP_LONG))) {
6625 rts_preamble_type[1] = BRCMS_SHORT_PREAMBLE;
6626 mch |= TXC_PREAMBLE_RTS_FB_SHORT;
6627 }
6628
6629
6630 if (use_cts) {
6631 txh->MacTxControlLow |= cpu_to_le16(TXC_SENDCTS);
6632 } else {
6633 txh->MacTxControlLow |= cpu_to_le16(TXC_SENDRTS);
6634 txh->MacTxControlLow |= cpu_to_le16(TXC_LONGFRAME);
6635 }
6636
6637
6638 rts_plcp = txh->RTSPhyHeader;
6639 if (use_cts)
6640 rts_phylen = DOT11_CTS_LEN + FCS_LEN;
6641 else
6642 rts_phylen = DOT11_RTS_LEN + FCS_LEN;
6643
6644 brcms_c_compute_plcp(wlc, rts_rspec[0], rts_phylen, rts_plcp);
6645
6646
6647 brcms_c_compute_plcp(wlc, rts_rspec[1], rts_phylen,
6648 rts_plcp_fallback);
6649 memcpy(&txh->RTSPLCPFallback, rts_plcp_fallback,
6650 sizeof(txh->RTSPLCPFallback));
6651
6652
6653 rts = (struct ieee80211_rts *)&txh->rts_frame;
6654
6655 durid = brcms_c_compute_rtscts_dur(wlc, use_cts, rts_rspec[0],
6656 rspec[0], rts_preamble_type[0],
6657 preamble_type[0], phylen, false);
6658 rts->duration = cpu_to_le16(durid);
6659
6660 durid = brcms_c_compute_rtscts_dur(wlc, use_cts,
6661 rts_rspec[1], rspec[1],
6662 rts_preamble_type[1],
6663 preamble_type[1], phylen, false);
6664 txh->RTSDurFallback = cpu_to_le16(durid);
6665
6666 if (use_cts) {
6667 rts->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
6668 IEEE80211_STYPE_CTS);
6669
6670 memcpy(&rts->ra, &h->addr2, ETH_ALEN);
6671 } else {
6672 rts->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
6673 IEEE80211_STYPE_RTS);
6674
6675 memcpy(&rts->ra, &h->addr1, 2 * ETH_ALEN);
6676 }
6677
6678
6679
6680
6681
6682 mainrates |= (is_ofdm_rate(rts_rspec[0]) ?
6683 D11A_PHY_HDR_GRATE(
6684 (struct ofdm_phy_hdr *) rts_plcp) :
6685 rts_plcp[0]) << 8;
6686 } else {
6687 memset(txh->RTSPhyHeader, 0, D11_PHY_HDR_LEN);
6688 memset(&txh->rts_frame, 0, sizeof(struct ieee80211_rts));
6689 memset(txh->RTSPLCPFallback, 0, sizeof(txh->RTSPLCPFallback));
6690 txh->RTSDurFallback = 0;
6691 }
6692
6693#ifdef SUPPORT_40MHZ
6694
6695 if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && is_mcs_rate(rspec))
6696 txh->RTSPLCPFallback[AMPDU_FBR_NULL_DELIM] =
6697 brcm_c_ampdu_null_delim_cnt(wlc->ampdu, scb, rspec, phylen);
6698
6699#endif
6700
6701
6702
6703
6704
6705 txh->MacTxControlHigh = cpu_to_le16(mch);
6706
6707
6708
6709
6710
6711 txh->MainRates = cpu_to_le16(mainrates);
6712
6713
6714 xfts = frametype(rspec[1], wlc->mimoft);
6715 xfts |= (frametype(rts_rspec[0], wlc->mimoft) << XFTS_RTS_FT_SHIFT);
6716 xfts |= (frametype(rts_rspec[1], wlc->mimoft) << XFTS_FBRRTS_FT_SHIFT);
6717 xfts |= CHSPEC_CHANNEL(wlc_phy_chanspec_get(wlc->band->pi)) <<
6718 XFTS_CHANNEL_SHIFT;
6719 txh->XtraFrameTypes = cpu_to_le16(xfts);
6720
6721
6722 phyctl = frametype(rspec[0], wlc->mimoft);
6723 if ((preamble_type[0] == BRCMS_SHORT_PREAMBLE) ||
6724 (preamble_type[0] == BRCMS_GF_PREAMBLE)) {
6725 if (rspec2rate(rspec[0]) != BRCM_RATE_1M)
6726 phyctl |= PHY_TXC_SHORT_HDR;
6727 }
6728
6729
6730 phyctl |= brcms_c_stf_d11hdrs_phyctl_txant(wlc, rspec[0]);
6731 txh->PhyTxControlWord = cpu_to_le16(phyctl);
6732
6733
6734 if (BRCMS_PHY_11N_CAP(wlc->band)) {
6735 u16 phyctl1 = 0;
6736
6737 phyctl1 = brcms_c_phytxctl1_calc(wlc, rspec[0]);
6738 txh->PhyTxControlWord_1 = cpu_to_le16(phyctl1);
6739 phyctl1 = brcms_c_phytxctl1_calc(wlc, rspec[1]);
6740 txh->PhyTxControlWord_1_Fbr = cpu_to_le16(phyctl1);
6741
6742 if (use_rts || use_cts) {
6743 phyctl1 = brcms_c_phytxctl1_calc(wlc, rts_rspec[0]);
6744 txh->PhyTxControlWord_1_Rts = cpu_to_le16(phyctl1);
6745 phyctl1 = brcms_c_phytxctl1_calc(wlc, rts_rspec[1]);
6746 txh->PhyTxControlWord_1_FbrRts = cpu_to_le16(phyctl1);
6747 }
6748
6749
6750
6751
6752
6753
6754 if (is_mcs_rate(rspec[0]) &&
6755 (preamble_type[0] == BRCMS_MM_PREAMBLE)) {
6756 u16 mmodelen =
6757 brcms_c_calc_lsig_len(wlc, rspec[0], phylen);
6758 txh->MModeLen = cpu_to_le16(mmodelen);
6759 }
6760
6761 if (is_mcs_rate(rspec[1]) &&
6762 (preamble_type[1] == BRCMS_MM_PREAMBLE)) {
6763 u16 mmodefbrlen =
6764 brcms_c_calc_lsig_len(wlc, rspec[1], phylen);
6765 txh->MModeFbrLen = cpu_to_le16(mmodefbrlen);
6766 }
6767 }
6768
6769 ac = skb_get_queue_mapping(p);
6770 if ((scb->flags & SCB_WMECAP) && qos && wlc->edcf_txop[ac]) {
6771 uint frag_dur, dur, dur_fallback;
6772
6773
6774 if (!(tx_info->flags & IEEE80211_TX_CTL_AMPDU) && frag == 0) {
6775 frag_dur =
6776 brcms_c_calc_frame_time(wlc, rspec[0],
6777 preamble_type[0], phylen);
6778
6779 if (rts) {
6780
6781 dur =
6782 brcms_c_calc_cts_time(wlc, rts_rspec[0],
6783 rts_preamble_type[0]);
6784 dur_fallback =
6785 brcms_c_calc_cts_time(wlc, rts_rspec[1],
6786 rts_preamble_type[1]);
6787
6788 dur += le16_to_cpu(rts->duration);
6789 dur_fallback +=
6790 le16_to_cpu(txh->RTSDurFallback);
6791 } else if (use_rifs) {
6792 dur = frag_dur;
6793 dur_fallback = 0;
6794 } else {
6795
6796 dur = frag_dur;
6797 dur +=
6798 brcms_c_compute_frame_dur(wlc, rspec[0],
6799 preamble_type[0], 0);
6800
6801 dur_fallback =
6802 brcms_c_calc_frame_time(wlc, rspec[1],
6803 preamble_type[1],
6804 phylen);
6805 dur_fallback +=
6806 brcms_c_compute_frame_dur(wlc, rspec[1],
6807 preamble_type[1], 0);
6808 }
6809
6810 txh->TxFesTimeNormal = cpu_to_le16((u16) dur);
6811
6812
6813
6814
6815 txh->TxFesTimeFallback =
6816 cpu_to_le16((u16) dur_fallback);
6817
6818
6819
6820
6821
6822 if (wlc->edcf_txop[ac] >= (dur - frag_dur)) {
6823 uint newfragthresh;
6824
6825 newfragthresh =
6826 brcms_c_calc_frame_len(wlc,
6827 rspec[0], preamble_type[0],
6828 (wlc->edcf_txop[ac] -
6829 (dur - frag_dur)));
6830
6831 if (newfragthresh < DOT11_MIN_FRAG_LEN)
6832 newfragthresh =
6833 DOT11_MIN_FRAG_LEN;
6834 else if (newfragthresh >
6835 wlc->usr_fragthresh)
6836 newfragthresh =
6837 wlc->usr_fragthresh;
6838
6839 if (wlc->fragthresh[queue] !=
6840 (u16) newfragthresh)
6841 wlc->fragthresh[queue] =
6842 (u16) newfragthresh;
6843 } else {
6844 brcms_warn(wlc->hw->d11core,
6845 "wl%d: %s txop invalid for rate %d\n",
6846 wlc->pub->unit, fifo_names[queue],
6847 rspec2rate(rspec[0]));
6848 }
6849
6850 if (dur > wlc->edcf_txop[ac])
6851 brcms_warn(wlc->hw->d11core,
6852 "wl%d: %s: %s txop exceeded phylen %d/%d dur %d/%d\n",
6853 wlc->pub->unit, __func__,
6854 fifo_names[queue],
6855 phylen, wlc->fragthresh[queue],
6856 dur, wlc->edcf_txop[ac]);
6857 }
6858 }
6859
6860 return 0;
6861}
6862
6863static int brcms_c_tx(struct brcms_c_info *wlc, struct sk_buff *skb)
6864{
6865 struct dma_pub *dma;
6866 int fifo, ret = -ENOSPC;
6867 struct d11txh *txh;
6868 u16 frameid = INVALIDFID;
6869
6870 fifo = brcms_ac_to_fifo(skb_get_queue_mapping(skb));
6871 dma = wlc->hw->di[fifo];
6872 txh = (struct d11txh *)(skb->data);
6873
6874 if (dma->txavail == 0) {
6875
6876
6877
6878
6879
6880
6881
6882
6883
6884 brcms_warn(wlc->hw->d11core,
6885 "Received frame for tx with no space in DMA ring\n");
6886 WARN_ON(!ieee80211_queue_stopped(wlc->pub->ieee_hw,
6887 skb_get_queue_mapping(skb)));
6888 return -ENOSPC;
6889 }
6890
6891
6892
6893
6894 if (fifo == TX_BCMC_FIFO)
6895 frameid = le16_to_cpu(txh->TxFrameID);
6896
6897
6898 if (frameid != INVALIDFID) {
6899
6900
6901
6902
6903 brcms_b_write_shm(wlc->hw, M_BCMC_FID, frameid);
6904 }
6905
6906 ret = brcms_c_txfifo(wlc, fifo, skb);
6907
6908
6909
6910
6911
6912 WARN_ON_ONCE(ret);
6913
6914 return ret;
6915}
6916
6917bool brcms_c_sendpkt_mac80211(struct brcms_c_info *wlc, struct sk_buff *sdu,
6918 struct ieee80211_hw *hw)
6919{
6920 uint fifo;
6921 struct scb *scb = &wlc->pri_scb;
6922
6923 fifo = brcms_ac_to_fifo(skb_get_queue_mapping(sdu));
6924 brcms_c_d11hdrs_mac80211(wlc, hw, sdu, scb, 0, 1, fifo, 0);
6925 if (!brcms_c_tx(wlc, sdu))
6926 return true;
6927
6928
6929 dev_kfree_skb_any(sdu);
6930 return false;
6931}
6932
6933int
6934brcms_c_txfifo(struct brcms_c_info *wlc, uint fifo, struct sk_buff *p)
6935{
6936 struct dma_pub *dma = wlc->hw->di[fifo];
6937 int ret;
6938 u16 queue;
6939
6940 ret = dma_txfast(wlc, dma, p);
6941 if (ret < 0)
6942 wiphy_err(wlc->wiphy, "txfifo: fatal, toss frames !!!\n");
6943
6944
6945
6946
6947
6948
6949 queue = skb_get_queue_mapping(p);
6950 if (dma->txavail <= TX_HEADROOM && fifo < TX_BCMC_FIFO &&
6951 !ieee80211_queue_stopped(wlc->pub->ieee_hw, queue))
6952 ieee80211_stop_queue(wlc->pub->ieee_hw, queue);
6953
6954 return ret;
6955}
6956
6957u32
6958brcms_c_rspec_to_rts_rspec(struct brcms_c_info *wlc, u32 rspec,
6959 bool use_rspec, u16 mimo_ctlchbw)
6960{
6961 u32 rts_rspec = 0;
6962
6963 if (use_rspec)
6964
6965 rts_rspec = rspec;
6966 else if (wlc->band->gmode && wlc->protection->_g && !is_cck_rate(rspec))
6967
6968
6969
6970
6971
6972
6973
6974 rts_rspec = brcms_basic_rate(wlc, BRCM_RATE_11M);
6975 else
6976
6977
6978
6979
6980 rts_rspec = brcms_basic_rate(wlc, rspec);
6981
6982 if (BRCMS_PHY_11N_CAP(wlc->band)) {
6983
6984 rts_rspec &= ~RSPEC_BW_MASK;
6985
6986
6987
6988
6989
6990 if (rspec_is40mhz(rspec) && !is_cck_rate(rts_rspec))
6991 rts_rspec |= (PHY_TXC1_BW_40MHZ_DUP << RSPEC_BW_SHIFT);
6992 else
6993 rts_rspec |= (mimo_ctlchbw << RSPEC_BW_SHIFT);
6994
6995
6996 if (is_ofdm_rate(rts_rspec)) {
6997 rts_rspec &= ~RSPEC_STF_MASK;
6998 rts_rspec |= (wlc->stf->ss_opmode << RSPEC_STF_SHIFT);
6999 }
7000 }
7001 return rts_rspec;
7002}
7003
7004
7005static void brcms_c_bcn_li_upd(struct brcms_c_info *wlc)
7006{
7007
7008 if (wlc->bcn_li_dtim == 1)
7009 brcms_b_write_shm(wlc->hw, M_BCN_LI, 0);
7010 else
7011 brcms_b_write_shm(wlc->hw, M_BCN_LI,
7012 (wlc->bcn_li_dtim << 8) | wlc->bcn_li_bcn);
7013}
7014
7015static void
7016brcms_b_read_tsf(struct brcms_hardware *wlc_hw, u32 *tsf_l_ptr,
7017 u32 *tsf_h_ptr)
7018{
7019 struct bcma_device *core = wlc_hw->d11core;
7020
7021
7022 *tsf_l_ptr = bcma_read32(core, D11REGOFFS(tsf_timerlow));
7023 *tsf_h_ptr = bcma_read32(core, D11REGOFFS(tsf_timerhigh));
7024}
7025
7026
7027
7028
7029
7030
7031
7032
7033
7034
7035
7036
7037
7038
7039
7040static u64 brcms_c_recover_tsf64(struct brcms_c_info *wlc,
7041 struct d11rxhdr *rxh)
7042{
7043 u32 tsf_h, tsf_l;
7044 u16 rx_tsf_0_15, rx_tsf_16_31;
7045
7046 brcms_b_read_tsf(wlc->hw, &tsf_l, &tsf_h);
7047
7048 rx_tsf_16_31 = (u16)(tsf_l >> 16);
7049 rx_tsf_0_15 = rxh->RxTSFTime;
7050
7051
7052
7053
7054
7055 if ((u16)tsf_l < rx_tsf_0_15) {
7056 rx_tsf_16_31 -= 1;
7057 if (rx_tsf_16_31 == 0xffff)
7058 tsf_h -= 1;
7059 }
7060
7061 return ((u64)tsf_h << 32) | (((u32)rx_tsf_16_31 << 16) + rx_tsf_0_15);
7062}
7063
7064static void
7065prep_mac80211_status(struct brcms_c_info *wlc, struct d11rxhdr *rxh,
7066 struct sk_buff *p,
7067 struct ieee80211_rx_status *rx_status)
7068{
7069 int channel;
7070 u32 rspec;
7071 unsigned char *plcp;
7072
7073
7074 rx_status->mactime = brcms_c_recover_tsf64(wlc, rxh);
7075 rx_status->flag |= RX_FLAG_MACTIME_START;
7076
7077 channel = BRCMS_CHAN_CHANNEL(rxh->RxChan);
7078
7079 rx_status->band =
7080 channel > 14 ? NL80211_BAND_5GHZ : NL80211_BAND_2GHZ;
7081 rx_status->freq =
7082 ieee80211_channel_to_frequency(channel, rx_status->band);
7083
7084 rx_status->signal = wlc_phy_rssi_compute(wlc->hw->band->pi, rxh);
7085
7086
7087
7088 rx_status->antenna =
7089 (rxh->PhyRxStatus_0 & PRXS0_RXANT_UPSUBBAND) ? 1 : 0;
7090
7091 plcp = p->data;
7092
7093 rspec = brcms_c_compute_rspec(rxh, plcp);
7094 if (is_mcs_rate(rspec)) {
7095 rx_status->rate_idx = rspec & RSPEC_RATE_MASK;
7096 rx_status->encoding = RX_ENC_HT;
7097 if (rspec_is40mhz(rspec))
7098 rx_status->bw = RATE_INFO_BW_40;
7099 } else {
7100 switch (rspec2rate(rspec)) {
7101 case BRCM_RATE_1M:
7102 rx_status->rate_idx = 0;
7103 break;
7104 case BRCM_RATE_2M:
7105 rx_status->rate_idx = 1;
7106 break;
7107 case BRCM_RATE_5M5:
7108 rx_status->rate_idx = 2;
7109 break;
7110 case BRCM_RATE_11M:
7111 rx_status->rate_idx = 3;
7112 break;
7113 case BRCM_RATE_6M:
7114 rx_status->rate_idx = 4;
7115 break;
7116 case BRCM_RATE_9M:
7117 rx_status->rate_idx = 5;
7118 break;
7119 case BRCM_RATE_12M:
7120 rx_status->rate_idx = 6;
7121 break;
7122 case BRCM_RATE_18M:
7123 rx_status->rate_idx = 7;
7124 break;
7125 case BRCM_RATE_24M:
7126 rx_status->rate_idx = 8;
7127 break;
7128 case BRCM_RATE_36M:
7129 rx_status->rate_idx = 9;
7130 break;
7131 case BRCM_RATE_48M:
7132 rx_status->rate_idx = 10;
7133 break;
7134 case BRCM_RATE_54M:
7135 rx_status->rate_idx = 11;
7136 break;
7137 default:
7138 brcms_err(wlc->hw->d11core,
7139 "%s: Unknown rate\n", __func__);
7140 }
7141
7142
7143
7144
7145
7146
7147 if (rx_status->band == NL80211_BAND_5GHZ)
7148 rx_status->rate_idx -= BRCMS_LEGACY_5G_RATE_OFFSET;
7149
7150
7151 if (is_cck_rate(rspec)) {
7152 if (rxh->PhyRxStatus_0 & PRXS0_SHORTH)
7153 rx_status->enc_flags |= RX_ENC_FLAG_SHORTPRE;
7154 } else if (is_ofdm_rate(rspec)) {
7155 rx_status->enc_flags |= RX_ENC_FLAG_SHORTPRE;
7156 } else {
7157 brcms_err(wlc->hw->d11core, "%s: Unknown modulation\n",
7158 __func__);
7159 }
7160 }
7161
7162 if (plcp3_issgi(plcp[3]))
7163 rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
7164
7165 if (rxh->RxStatus1 & RXS_DECERR) {
7166 rx_status->flag |= RX_FLAG_FAILED_PLCP_CRC;
7167 brcms_err(wlc->hw->d11core, "%s: RX_FLAG_FAILED_PLCP_CRC\n",
7168 __func__);
7169 }
7170 if (rxh->RxStatus1 & RXS_FCSERR) {
7171 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
7172 brcms_err(wlc->hw->d11core, "%s: RX_FLAG_FAILED_FCS_CRC\n",
7173 __func__);
7174 }
7175}
7176
7177static void
7178brcms_c_recvctl(struct brcms_c_info *wlc, struct d11rxhdr *rxh,
7179 struct sk_buff *p)
7180{
7181 int len_mpdu;
7182 struct ieee80211_rx_status rx_status;
7183 struct ieee80211_hdr *hdr;
7184
7185 memset(&rx_status, 0, sizeof(rx_status));
7186 prep_mac80211_status(wlc, rxh, p, &rx_status);
7187
7188
7189 len_mpdu = p->len - D11_PHY_HDR_LEN - FCS_LEN;
7190 skb_pull(p, D11_PHY_HDR_LEN);
7191 __skb_trim(p, len_mpdu);
7192
7193
7194 if (wlc->hw->suspended_fifos) {
7195 hdr = (struct ieee80211_hdr *)p->data;
7196 if (ieee80211_is_beacon(hdr->frame_control))
7197 brcms_b_mute(wlc->hw, false);
7198 }
7199
7200 memcpy(IEEE80211_SKB_RXCB(p), &rx_status, sizeof(rx_status));
7201 ieee80211_rx_irqsafe(wlc->pub->ieee_hw, p);
7202}
7203
7204
7205
7206
7207
7208
7209
7210u16
7211brcms_c_calc_lsig_len(struct brcms_c_info *wlc, u32 ratespec,
7212 uint mac_len)
7213{
7214 uint nsyms, len = 0, kNdps;
7215
7216 if (is_mcs_rate(ratespec)) {
7217 uint mcs = ratespec & RSPEC_RATE_MASK;
7218 int tot_streams = (mcs_2_txstreams(mcs) + 1) +
7219 rspec_stc(ratespec);
7220
7221
7222
7223
7224
7225
7226 kNdps = mcs_2_rate(mcs, rspec_is40mhz(ratespec),
7227 rspec_issgi(ratespec)) * 4;
7228
7229 if (rspec_stc(ratespec) == 0)
7230 nsyms =
7231 CEIL((APHY_SERVICE_NBITS + 8 * mac_len +
7232 APHY_TAIL_NBITS) * 1000, kNdps);
7233 else
7234
7235 nsyms =
7236 2 *
7237 CEIL((APHY_SERVICE_NBITS + 8 * mac_len +
7238 APHY_TAIL_NBITS) * 1000, 2 * kNdps);
7239
7240
7241 nsyms += (tot_streams + 3);
7242
7243
7244
7245
7246 len = (3 * nsyms) - 3;
7247 }
7248
7249 return (u16) len;
7250}
7251
7252static void
7253brcms_c_mod_prb_rsp_rate_table(struct brcms_c_info *wlc, uint frame_len)
7254{
7255 const struct brcms_c_rateset *rs_dflt;
7256 struct brcms_c_rateset rs;
7257 u8 rate;
7258 u16 entry_ptr;
7259 u8 plcp[D11_PHY_HDR_LEN];
7260 u16 dur, sifs;
7261 uint i;
7262
7263 sifs = get_sifs(wlc->band);
7264
7265 rs_dflt = brcms_c_rateset_get_hwrs(wlc);
7266
7267 brcms_c_rateset_copy(rs_dflt, &rs);
7268 brcms_c_rateset_mcs_upd(&rs, wlc->stf->txstreams);
7269
7270
7271
7272
7273
7274 for (i = 0; i < rs.count; i++) {
7275 rate = rs.rates[i] & BRCMS_RATE_MASK;
7276
7277 entry_ptr = brcms_b_rate_shm_offset(wlc->hw, rate);
7278
7279
7280 brcms_c_compute_plcp(wlc, rate, frame_len, plcp);
7281
7282
7283
7284
7285
7286 dur = (u16) brcms_c_calc_frame_time(wlc, rate,
7287 BRCMS_LONG_PREAMBLE, frame_len);
7288 dur += sifs;
7289
7290
7291 brcms_b_write_shm(wlc->hw, entry_ptr + M_RT_PRS_PLCP_POS,
7292 (u16) (plcp[0] + (plcp[1] << 8)));
7293 brcms_b_write_shm(wlc->hw, entry_ptr + M_RT_PRS_PLCP_POS + 2,
7294 (u16) (plcp[2] + (plcp[3] << 8)));
7295 brcms_b_write_shm(wlc->hw, entry_ptr + M_RT_PRS_DUR_POS, dur);
7296 }
7297}
7298
7299int brcms_c_get_header_len(void)
7300{
7301 return TXOFF;
7302}
7303
7304static void brcms_c_beacon_write(struct brcms_c_info *wlc,
7305 struct sk_buff *beacon, u16 tim_offset,
7306 u16 dtim_period, bool bcn0, bool bcn1)
7307{
7308 size_t len;
7309 struct ieee80211_tx_info *tx_info;
7310 struct brcms_hardware *wlc_hw = wlc->hw;
7311 struct ieee80211_hw *ieee_hw = brcms_c_pub(wlc)->ieee_hw;
7312
7313
7314 tx_info = IEEE80211_SKB_CB(beacon);
7315
7316 len = min_t(size_t, beacon->len, BCN_TMPL_LEN);
7317 wlc->bcn_rspec = ieee80211_get_tx_rate(ieee_hw, tx_info)->hw_value;
7318
7319 brcms_c_compute_plcp(wlc, wlc->bcn_rspec,
7320 len + FCS_LEN - D11_PHY_HDR_LEN, beacon->data);
7321
7322
7323
7324 brcms_c_beacon_phytxctl_txant_upd(wlc, wlc->bcn_rspec);
7325
7326 if (bcn0) {
7327
7328 brcms_b_write_template_ram(wlc_hw, T_BCN0_TPL_BASE,
7329 (len + 3) & ~3, beacon->data);
7330
7331
7332 brcms_b_write_shm(wlc_hw, M_BCN0_FRM_BYTESZ, (u16) len);
7333 }
7334 if (bcn1) {
7335
7336 brcms_b_write_template_ram(wlc_hw, T_BCN1_TPL_BASE,
7337 (len + 3) & ~3, beacon->data);
7338
7339
7340 brcms_b_write_shm(wlc_hw, M_BCN1_FRM_BYTESZ, (u16) len);
7341 }
7342
7343 if (tim_offset != 0) {
7344 brcms_b_write_shm(wlc_hw, M_TIMBPOS_INBEACON,
7345 tim_offset + D11B_PHY_HDR_LEN);
7346 brcms_b_write_shm(wlc_hw, M_DOT11_DTIMPERIOD, dtim_period);
7347 } else {
7348 brcms_b_write_shm(wlc_hw, M_TIMBPOS_INBEACON,
7349 len + D11B_PHY_HDR_LEN);
7350 brcms_b_write_shm(wlc_hw, M_DOT11_DTIMPERIOD, 0);
7351 }
7352}
7353
7354static void brcms_c_update_beacon_hw(struct brcms_c_info *wlc,
7355 struct sk_buff *beacon, u16 tim_offset,
7356 u16 dtim_period)
7357{
7358 struct brcms_hardware *wlc_hw = wlc->hw;
7359 struct bcma_device *core = wlc_hw->d11core;
7360
7361
7362 u32 both_valid = MCMD_BCN0VLD | MCMD_BCN1VLD;
7363
7364
7365
7366
7367 if ((bcma_read32(core, D11REGOFFS(maccommand)) & both_valid) == both_valid)
7368
7369 bcma_write32(core, D11REGOFFS(macintstatus), MI_BCNTPL);
7370
7371 if (wlc->beacon_template_virgin) {
7372 wlc->beacon_template_virgin = false;
7373 brcms_c_beacon_write(wlc, beacon, tim_offset, dtim_period, true,
7374 true);
7375
7376 bcma_set32(core, D11REGOFFS(maccommand), MCMD_BCN0VLD);
7377 return;
7378 }
7379
7380
7381
7382
7383 if ((bcma_read32(core, D11REGOFFS(maccommand)) & both_valid) == both_valid) {
7384 wlc->defmacintmask |= MI_BCNTPL;
7385 return;
7386 }
7387
7388 if (!(bcma_read32(core, D11REGOFFS(maccommand)) & MCMD_BCN0VLD)) {
7389 brcms_c_beacon_write(wlc, beacon, tim_offset, dtim_period, true,
7390 false);
7391
7392 bcma_set32(core, D11REGOFFS(maccommand), MCMD_BCN0VLD);
7393 return;
7394 }
7395 if (!(bcma_read32(core, D11REGOFFS(maccommand)) & MCMD_BCN1VLD)) {
7396 brcms_c_beacon_write(wlc, beacon, tim_offset, dtim_period,
7397 false, true);
7398
7399 bcma_set32(core, D11REGOFFS(maccommand), MCMD_BCN1VLD);
7400 return;
7401 }
7402 return;
7403}
7404
7405
7406
7407
7408void brcms_c_update_beacon(struct brcms_c_info *wlc)
7409{
7410 struct brcms_bss_cfg *bsscfg = wlc->bsscfg;
7411
7412 if (wlc->pub->up && (bsscfg->type == BRCMS_TYPE_AP ||
7413 bsscfg->type == BRCMS_TYPE_ADHOC)) {
7414
7415 wlc->defmacintmask &= ~MI_BCNTPL;
7416 if (!wlc->beacon)
7417 return;
7418 brcms_c_update_beacon_hw(wlc, wlc->beacon,
7419 wlc->beacon_tim_offset,
7420 wlc->beacon_dtim_period);
7421 }
7422}
7423
7424void brcms_c_set_new_beacon(struct brcms_c_info *wlc, struct sk_buff *beacon,
7425 u16 tim_offset, u16 dtim_period)
7426{
7427 if (!beacon)
7428 return;
7429 if (wlc->beacon)
7430 dev_kfree_skb_any(wlc->beacon);
7431 wlc->beacon = beacon;
7432
7433
7434 skb_push(wlc->beacon, D11_PHY_HDR_LEN);
7435 wlc->beacon_tim_offset = tim_offset;
7436 wlc->beacon_dtim_period = dtim_period;
7437 brcms_c_update_beacon(wlc);
7438}
7439
7440void brcms_c_set_new_probe_resp(struct brcms_c_info *wlc,
7441 struct sk_buff *probe_resp)
7442{
7443 if (!probe_resp)
7444 return;
7445 if (wlc->probe_resp)
7446 dev_kfree_skb_any(wlc->probe_resp);
7447 wlc->probe_resp = probe_resp;
7448
7449
7450 skb_push(wlc->probe_resp, D11_PHY_HDR_LEN);
7451 brcms_c_update_probe_resp(wlc, false);
7452}
7453
7454void brcms_c_enable_probe_resp(struct brcms_c_info *wlc, bool enable)
7455{
7456
7457
7458
7459
7460 wlc->prb_resp_timeout = enable ? BRCMS_PRB_RESP_TIMEOUT : 1;
7461 brcms_b_write_shm(wlc->hw, M_PRS_MAXTIME, wlc->prb_resp_timeout);
7462
7463}
7464
7465
7466static void
7467brcms_c_shm_ssid_upd(struct brcms_c_info *wlc, struct brcms_bss_cfg *cfg)
7468{
7469 u8 *ssidptr = cfg->SSID;
7470 u16 base = M_SSID;
7471 u8 ssidbuf[IEEE80211_MAX_SSID_LEN];
7472
7473
7474 memset(ssidbuf, 0, IEEE80211_MAX_SSID_LEN);
7475 memcpy(ssidbuf, ssidptr, cfg->SSID_len);
7476
7477 brcms_c_copyto_shm(wlc, base, ssidbuf, IEEE80211_MAX_SSID_LEN);
7478 brcms_b_write_shm(wlc->hw, M_SSIDLEN, (u16) cfg->SSID_len);
7479}
7480
7481static void
7482brcms_c_bss_update_probe_resp(struct brcms_c_info *wlc,
7483 struct brcms_bss_cfg *cfg,
7484 struct sk_buff *probe_resp,
7485 bool suspend)
7486{
7487 int len;
7488
7489 len = min_t(size_t, probe_resp->len, BCN_TMPL_LEN);
7490
7491 if (suspend)
7492 brcms_c_suspend_mac_and_wait(wlc);
7493
7494
7495 brcms_b_write_template_ram(wlc->hw, T_PRS_TPL_BASE,
7496 (len + 3) & ~3, probe_resp->data);
7497
7498
7499 brcms_b_write_shm(wlc->hw, M_PRB_RESP_FRM_LEN, (u16) len);
7500
7501
7502 brcms_c_shm_ssid_upd(wlc, cfg);
7503
7504
7505
7506
7507
7508
7509
7510 brcms_c_mod_prb_rsp_rate_table(wlc,
7511 (u16)len + FCS_LEN - D11_PHY_HDR_LEN);
7512
7513 if (suspend)
7514 brcms_c_enable_mac(wlc);
7515}
7516
7517void brcms_c_update_probe_resp(struct brcms_c_info *wlc, bool suspend)
7518{
7519 struct brcms_bss_cfg *bsscfg = wlc->bsscfg;
7520
7521
7522 if (wlc->pub->up && (bsscfg->type == BRCMS_TYPE_AP ||
7523 bsscfg->type == BRCMS_TYPE_ADHOC)) {
7524 if (!wlc->probe_resp)
7525 return;
7526 brcms_c_bss_update_probe_resp(wlc, bsscfg, wlc->probe_resp,
7527 suspend);
7528 }
7529}
7530
7531int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo,
7532 uint *blocks)
7533{
7534 if (fifo >= NFIFO)
7535 return -EINVAL;
7536
7537 *blocks = wlc_hw->xmtfifo_sz[fifo];
7538
7539 return 0;
7540}
7541
7542void
7543brcms_c_set_addrmatch(struct brcms_c_info *wlc, int match_reg_offset,
7544 const u8 *addr)
7545{
7546 brcms_b_set_addrmatch(wlc->hw, match_reg_offset, addr);
7547 if (match_reg_offset == RCM_BSSID_OFFSET)
7548 memcpy(wlc->bsscfg->BSSID, addr, ETH_ALEN);
7549}
7550
7551
7552
7553
7554void brcms_c_scan_start(struct brcms_c_info *wlc)
7555{
7556 wlc_phy_hold_upd(wlc->band->pi, PHY_HOLD_FOR_SCAN, true);
7557}
7558
7559void brcms_c_scan_stop(struct brcms_c_info *wlc)
7560{
7561 wlc_phy_hold_upd(wlc->band->pi, PHY_HOLD_FOR_SCAN, false);
7562}
7563
7564void brcms_c_associate_upd(struct brcms_c_info *wlc, bool state)
7565{
7566 wlc->pub->associated = state;
7567}
7568
7569
7570
7571
7572
7573
7574void brcms_c_inval_dma_pkts(struct brcms_hardware *hw,
7575 struct ieee80211_sta *sta,
7576 void (*dma_callback_fn))
7577{
7578 struct dma_pub *dmah;
7579 int i;
7580 for (i = 0; i < NFIFO; i++) {
7581 dmah = hw->di[i];
7582 if (dmah != NULL)
7583 dma_walk_packets(dmah, dma_callback_fn, sta);
7584 }
7585}
7586
7587int brcms_c_get_curband(struct brcms_c_info *wlc)
7588{
7589 return wlc->band->bandunit;
7590}
7591
7592bool brcms_c_tx_flush_completed(struct brcms_c_info *wlc)
7593{
7594 int i;
7595
7596
7597 for (i = 0; i < ARRAY_SIZE(wlc->hw->di); i++)
7598 if (wlc->hw->di[i])
7599 dma_kick_tx(wlc->hw->di[i]);
7600
7601 return !brcms_txpktpendtot(wlc);
7602}
7603
7604void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc, u8 interval)
7605{
7606 wlc->bcn_li_bcn = interval;
7607 if (wlc->pub->up)
7608 brcms_c_bcn_li_upd(wlc);
7609}
7610
7611u64 brcms_c_tsf_get(struct brcms_c_info *wlc)
7612{
7613 u32 tsf_h, tsf_l;
7614 u64 tsf;
7615
7616 brcms_b_read_tsf(wlc->hw, &tsf_l, &tsf_h);
7617
7618 tsf = tsf_h;
7619 tsf <<= 32;
7620 tsf |= tsf_l;
7621
7622 return tsf;
7623}
7624
7625void brcms_c_tsf_set(struct brcms_c_info *wlc, u64 tsf)
7626{
7627 u32 tsf_h, tsf_l;
7628
7629 brcms_c_time_lock(wlc);
7630
7631 tsf_l = tsf;
7632 tsf_h = (tsf >> 32);
7633
7634
7635 bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_timerlow), tsf_l);
7636 bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_timerhigh), tsf_h);
7637
7638 brcms_c_time_unlock(wlc);
7639}
7640
7641int brcms_c_set_tx_power(struct brcms_c_info *wlc, int txpwr)
7642{
7643 uint qdbm;
7644
7645
7646 qdbm = min_t(uint, txpwr * BRCMS_TXPWR_DB_FACTOR, 0xff);
7647 return wlc_phy_txpower_set(wlc->band->pi, qdbm, false);
7648}
7649
7650int brcms_c_get_tx_power(struct brcms_c_info *wlc)
7651{
7652 uint qdbm;
7653 bool override;
7654
7655 wlc_phy_txpower_get(wlc->band->pi, &qdbm, &override);
7656
7657
7658 return (int)(qdbm / BRCMS_TXPWR_DB_FACTOR);
7659}
7660
7661
7662
7663
7664
7665
7666static void brcms_c_recv(struct brcms_c_info *wlc, struct sk_buff *p)
7667{
7668 struct d11rxhdr *rxh;
7669 struct ieee80211_hdr *h;
7670 uint len;
7671 bool is_amsdu;
7672
7673
7674 rxh = (struct d11rxhdr *) (p->data);
7675
7676
7677 skb_pull(p, BRCMS_HWRXOFF);
7678
7679
7680 if (rxh->RxStatus1 & RXS_PBPRES) {
7681 if (p->len < 2) {
7682 brcms_err(wlc->hw->d11core,
7683 "wl%d: recv: rcvd runt of len %d\n",
7684 wlc->pub->unit, p->len);
7685 goto toss;
7686 }
7687 skb_pull(p, 2);
7688 }
7689
7690 h = (struct ieee80211_hdr *)(p->data + D11_PHY_HDR_LEN);
7691 len = p->len;
7692
7693 if (rxh->RxStatus1 & RXS_FCSERR) {
7694 if (!(wlc->filter_flags & FIF_FCSFAIL))
7695 goto toss;
7696 }
7697
7698
7699 if (len < D11_PHY_HDR_LEN + sizeof(h->frame_control))
7700 goto toss;
7701
7702
7703 is_amsdu = rxh->RxStatus2 & RXS_AMSDU_MASK;
7704 if (is_amsdu)
7705 goto toss;
7706
7707 brcms_c_recvctl(wlc, rxh, p);
7708 return;
7709
7710 toss:
7711 brcmu_pkt_buf_free_skb(p);
7712}
7713
7714
7715
7716
7717
7718
7719static bool
7720brcms_b_recv(struct brcms_hardware *wlc_hw, uint fifo, bool bound)
7721{
7722 struct sk_buff *p;
7723 struct sk_buff *next = NULL;
7724 struct sk_buff_head recv_frames;
7725
7726 uint n = 0;
7727 uint bound_limit = bound ? RXBND : -1;
7728 bool morepending = false;
7729
7730 skb_queue_head_init(&recv_frames);
7731
7732
7733 do {
7734
7735 if (n >= bound_limit)
7736 break;
7737
7738 morepending = dma_rx(wlc_hw->di[fifo], &recv_frames);
7739 n++;
7740 } while (morepending);
7741
7742
7743 dma_rxfill(wlc_hw->di[fifo]);
7744
7745
7746 skb_queue_walk_safe(&recv_frames, p, next) {
7747 struct d11rxhdr_le *rxh_le;
7748 struct d11rxhdr *rxh;
7749
7750 skb_unlink(p, &recv_frames);
7751 rxh_le = (struct d11rxhdr_le *)p->data;
7752 rxh = (struct d11rxhdr *)p->data;
7753
7754
7755 rxh->RxFrameSize = le16_to_cpu(rxh_le->RxFrameSize);
7756 rxh->PhyRxStatus_0 = le16_to_cpu(rxh_le->PhyRxStatus_0);
7757 rxh->PhyRxStatus_1 = le16_to_cpu(rxh_le->PhyRxStatus_1);
7758 rxh->PhyRxStatus_2 = le16_to_cpu(rxh_le->PhyRxStatus_2);
7759 rxh->PhyRxStatus_3 = le16_to_cpu(rxh_le->PhyRxStatus_3);
7760 rxh->PhyRxStatus_4 = le16_to_cpu(rxh_le->PhyRxStatus_4);
7761 rxh->PhyRxStatus_5 = le16_to_cpu(rxh_le->PhyRxStatus_5);
7762 rxh->RxStatus1 = le16_to_cpu(rxh_le->RxStatus1);
7763 rxh->RxStatus2 = le16_to_cpu(rxh_le->RxStatus2);
7764 rxh->RxTSFTime = le16_to_cpu(rxh_le->RxTSFTime);
7765 rxh->RxChan = le16_to_cpu(rxh_le->RxChan);
7766
7767 brcms_c_recv(wlc_hw->wlc, p);
7768 }
7769
7770 return morepending;
7771}
7772
7773
7774
7775
7776
7777bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded)
7778{
7779 u32 macintstatus;
7780 struct brcms_hardware *wlc_hw = wlc->hw;
7781 struct bcma_device *core = wlc_hw->d11core;
7782
7783 if (brcms_deviceremoved(wlc)) {
7784 brcms_err(core, "wl%d: %s: dead chip\n", wlc_hw->unit,
7785 __func__);
7786 brcms_down(wlc->wl);
7787 return false;
7788 }
7789
7790
7791 macintstatus = wlc->macintstatus;
7792 wlc->macintstatus = 0;
7793
7794 brcms_dbg_int(core, "wl%d: macintstatus 0x%x\n",
7795 wlc_hw->unit, macintstatus);
7796
7797 WARN_ON(macintstatus & MI_PRQ);
7798
7799
7800 if (macintstatus & MI_TFS) {
7801 bool fatal;
7802 if (brcms_b_txstatus(wlc->hw, bounded, &fatal))
7803 wlc->macintstatus |= MI_TFS;
7804 if (fatal) {
7805 brcms_err(core, "MI_TFS: fatal\n");
7806 goto fatal;
7807 }
7808 }
7809
7810 if (macintstatus & (MI_TBTT | MI_DTIM_TBTT))
7811 brcms_c_tbtt(wlc);
7812
7813
7814 if (macintstatus & MI_ATIMWINEND) {
7815 brcms_dbg_info(core, "end of ATIM window\n");
7816 bcma_set32(core, D11REGOFFS(maccommand), wlc->qvalid);
7817 wlc->qvalid = 0;
7818 }
7819
7820
7821
7822
7823
7824 if (macintstatus & MI_DMAINT)
7825 if (brcms_b_recv(wlc_hw, RX_FIFO, bounded))
7826 wlc->macintstatus |= MI_DMAINT;
7827
7828
7829 if (macintstatus & MI_BG_NOISE)
7830 wlc_phy_noise_sample_intr(wlc_hw->band->pi);
7831
7832 if (macintstatus & MI_GP0) {
7833 brcms_err(core, "wl%d: PSM microcode watchdog fired at %d "
7834 "(seconds). Resetting.\n", wlc_hw->unit, wlc_hw->now);
7835
7836 printk_once("%s : PSM Watchdog, chipid 0x%x, chiprev 0x%x\n",
7837 __func__, ai_get_chip_id(wlc_hw->sih),
7838 ai_get_chiprev(wlc_hw->sih));
7839 brcms_fatal_error(wlc_hw->wlc->wl);
7840 }
7841
7842
7843 if (macintstatus & MI_TO)
7844 bcma_write32(core, D11REGOFFS(gptimer), 0);
7845
7846 if (macintstatus & MI_RFDISABLE) {
7847 brcms_dbg_info(core, "wl%d: BMAC Detected a change on the"
7848 " RF Disable Input\n", wlc_hw->unit);
7849 brcms_rfkill_set_hw_state(wlc->wl);
7850 }
7851
7852
7853 if (macintstatus & MI_BCNTPL)
7854 brcms_c_update_beacon(wlc);
7855
7856
7857 return wlc->macintstatus != 0;
7858
7859 fatal:
7860 brcms_fatal_error(wlc_hw->wlc->wl);
7861 return wlc->macintstatus != 0;
7862}
7863
7864void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx)
7865{
7866 struct bcma_device *core = wlc->hw->d11core;
7867 struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.chandef.chan;
7868 u16 chanspec;
7869
7870 brcms_dbg_info(core, "wl%d\n", wlc->pub->unit);
7871
7872 chanspec = ch20mhz_chspec(ch->hw_value);
7873
7874 brcms_b_init(wlc->hw, chanspec);
7875
7876
7877 brcms_c_bcn_li_upd(wlc);
7878
7879
7880 brcms_c_set_mac(wlc->bsscfg);
7881 brcms_c_set_bssid(wlc->bsscfg);
7882
7883
7884 if (wlc->pub->associated && wlc->pub->up) {
7885 u32 bi;
7886
7887
7888 bi = wlc->bsscfg->current_bss->beacon_period << 10;
7889
7890
7891
7892
7893 bcma_write32(core, D11REGOFFS(tsf_cfprep),
7894 bi << CFPREP_CBI_SHIFT);
7895
7896
7897 brcms_c_set_ps_ctrl(wlc);
7898 }
7899
7900 brcms_c_bandinit_ordered(wlc, chanspec);
7901
7902
7903 brcms_b_write_shm(wlc->hw, M_PRS_MAXTIME, wlc->prb_resp_timeout);
7904
7905
7906 brcms_b_write_shm(wlc->hw, M_MBURST_TXOP,
7907 (wlc->
7908 _rifs ? (EDCF_AC_VO_TXOP_AP << 5) : MAXFRAMEBURST_TXOP));
7909
7910
7911 brcms_c_duty_cycle_set(wlc, wlc->tx_duty_cycle_ofdm, true, true);
7912 brcms_c_duty_cycle_set(wlc, wlc->tx_duty_cycle_cck, false, true);
7913
7914
7915
7916
7917
7918 brcms_c_ampdu_shm_upd(wlc->ampdu);
7919
7920
7921 brcms_c_bsinit(wlc);
7922
7923
7924 bcma_set16(core, D11REGOFFS(ifs_ctl), IFS_USEEDCF);
7925 brcms_c_edcf_setparams(wlc, false);
7926
7927
7928 if (wlc->ucode_rev == 0) {
7929 u16 rev;
7930 u16 patch;
7931
7932 rev = brcms_b_read_shm(wlc->hw, M_BOM_REV_MAJOR);
7933 patch = brcms_b_read_shm(wlc->hw, M_BOM_REV_MINOR);
7934 wlc->ucode_rev = (rev << NBITS(u16)) | patch;
7935 snprintf(wlc->wiphy->fw_version,
7936 sizeof(wlc->wiphy->fw_version), "%u.%u", rev, patch);
7937 }
7938
7939
7940 brcms_c_enable_mac(wlc);
7941
7942
7943 if (mute_tx)
7944 brcms_b_mute(wlc->hw, true);
7945
7946
7947 bcma_write32(core, D11REGOFFS(rfdisabledly), RFDISABLE_DEFAULT);
7948
7949
7950
7951
7952
7953 if (GFIELD(wlc->wme_retries[0], EDCF_SHORT) == 0) {
7954
7955 int ac;
7956
7957 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
7958 wlc->wme_retries[ac] =
7959 brcms_b_read_shm(wlc->hw, M_AC_TXLMT_ADDR(ac));
7960 }
7961}
7962
7963
7964
7965
7966struct brcms_c_info *
7967brcms_c_attach(struct brcms_info *wl, struct bcma_device *core, uint unit,
7968 bool piomode, uint *perr)
7969{
7970 struct brcms_c_info *wlc;
7971 uint err = 0;
7972 uint i, j;
7973 struct brcms_pub *pub;
7974
7975
7976 wlc = brcms_c_attach_malloc(unit, &err, 0);
7977 if (wlc == NULL)
7978 goto fail;
7979 wlc->wiphy = wl->wiphy;
7980 pub = wlc->pub;
7981
7982#if defined(DEBUG)
7983 wlc_info_dbg = wlc;
7984#endif
7985
7986 wlc->band = wlc->bandstate[0];
7987 wlc->core = wlc->corestate;
7988 wlc->wl = wl;
7989 pub->unit = unit;
7990 pub->_piomode = piomode;
7991 wlc->bandinit_pending = false;
7992 wlc->beacon_template_virgin = true;
7993
7994
7995 brcms_c_info_init(wlc, unit);
7996
7997
7998 brcms_c_ap_upd(wlc);
7999
8000
8001
8002
8003
8004 err = brcms_b_attach(wlc, core, unit, piomode);
8005 if (err)
8006 goto fail;
8007
8008 brcms_c_protection_upd(wlc, BRCMS_PROT_N_PAM_OVR, OFF);
8009
8010 pub->phy_11ncapable = BRCMS_PHY_11N_CAP(wlc->band);
8011
8012
8013 wlc->tx_duty_cycle_ofdm = 0;
8014 wlc->tx_duty_cycle_cck = 0;
8015
8016 brcms_c_stf_phy_chain_calc(wlc);
8017
8018
8019 if (BRCMS_ISNPHY(wlc->band) && (wlc->stf->txstreams == 1))
8020 wlc->stf->txant = wlc->stf->hw_txchain - 1;
8021
8022
8023 wlc_phy_stf_chain_init(wlc->band->pi, wlc->stf->hw_txchain,
8024 wlc->stf->hw_rxchain);
8025
8026
8027 for (i = 0; i < NFIFO; i++)
8028 wlc->core->txavail[i] = wlc->hw->txavail[i];
8029
8030 memcpy(&wlc->perm_etheraddr, &wlc->hw->etheraddr, ETH_ALEN);
8031 memcpy(&pub->cur_etheraddr, &wlc->hw->etheraddr, ETH_ALEN);
8032
8033 for (j = 0; j < wlc->pub->_nbands; j++) {
8034 wlc->band = wlc->bandstate[j];
8035
8036 if (!brcms_c_attach_stf_ant_init(wlc)) {
8037 err = 24;
8038 goto fail;
8039 }
8040
8041
8042 wlc->band->CWmin = APHY_CWMIN;
8043 wlc->band->CWmax = PHY_CWMAX;
8044
8045
8046 if (wlc->band->bandtype == BRCM_BAND_2G) {
8047 wlc->band->gmode = GMODE_AUTO;
8048 brcms_c_protection_upd(wlc, BRCMS_PROT_G_USER,
8049 wlc->band->gmode);
8050 }
8051
8052
8053 if (BRCMS_PHY_11N_CAP(wlc->band)) {
8054 pub->_n_enab = SUPPORT_11N;
8055 brcms_c_protection_upd(wlc, BRCMS_PROT_N_USER,
8056 ((pub->_n_enab ==
8057 SUPPORT_11N) ? WL_11N_2x2 :
8058 WL_11N_3x3));
8059 }
8060
8061
8062 brcms_default_rateset(wlc, &wlc->band->defrateset);
8063
8064
8065 brcms_c_rateset_filter(&wlc->band->defrateset,
8066 &wlc->band->hw_rateset, false,
8067 BRCMS_RATES_CCK_OFDM, BRCMS_RATE_MASK,
8068 (bool) (wlc->pub->_n_enab & SUPPORT_11N));
8069 }
8070
8071
8072
8073
8074
8075 brcms_c_stf_phy_txant_upd(wlc);
8076
8077
8078 err = brcms_c_attach_module(wlc);
8079 if (err != 0)
8080 goto fail;
8081
8082 if (!brcms_c_timers_init(wlc, unit)) {
8083 wiphy_err(wl->wiphy, "wl%d: %s: init_timer failed\n", unit,
8084 __func__);
8085 err = 32;
8086 goto fail;
8087 }
8088
8089
8090 wlc->cmi = brcms_c_channel_mgr_attach(wlc);
8091 if (!wlc->cmi) {
8092 wiphy_err(wl->wiphy, "wl%d: %s: channel_mgr_attach failed"
8093 "\n", unit, __func__);
8094 err = 33;
8095 goto fail;
8096 }
8097
8098
8099 brcms_c_bss_default_init(wlc);
8100
8101
8102
8103
8104
8105 wlc->bsscfg->wlc = wlc;
8106
8107 wlc->mimoft = FT_HT;
8108 wlc->mimo_40txbw = AUTO;
8109 wlc->ofdm_40txbw = AUTO;
8110 wlc->cck_40txbw = AUTO;
8111 brcms_c_update_mimo_band_bwcap(wlc, BRCMS_N_BW_20IN2G_40IN5G);
8112
8113
8114 if (BRCMS_SGI_CAP_PHY(wlc)) {
8115 brcms_c_ht_update_sgi_rx(wlc, (BRCMS_N_SGI_20 |
8116 BRCMS_N_SGI_40));
8117 } else if (BRCMS_ISSSLPNPHY(wlc->band)) {
8118 brcms_c_ht_update_sgi_rx(wlc, (BRCMS_N_SGI_20 |
8119 BRCMS_N_SGI_40));
8120 } else {
8121 brcms_c_ht_update_sgi_rx(wlc, 0);
8122 }
8123
8124 brcms_b_antsel_set(wlc->hw, wlc->asi->antsel_avail);
8125
8126 if (perr)
8127 *perr = 0;
8128
8129 return wlc;
8130
8131 fail:
8132 wiphy_err(wl->wiphy, "wl%d: %s: failed with err %d\n",
8133 unit, __func__, err);
8134 if (wlc)
8135 brcms_c_detach(wlc);
8136
8137 if (perr)
8138 *perr = err;
8139 return NULL;
8140}
8141