aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless/rt2x00/rt2400pci.h
blob: f5dbde7b2015e72fcf461d5b29f74a87f63f6c2c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
/*
	Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
	<http://rt2x00.serialmonkey.com>

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the
	Free Software Foundation, Inc.,
	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

/*
	Module: rt2400pci
	Abstract: Data structures and registers for the rt2400pci module.
	Supported chipsets: RT2460.
 */

#ifndef RT2400PCI_H
#define RT2400PCI_H

/*
 * RF chip defines.
 */
#define RF2420				0x0000
#define RF2421				0x0001

/*
 * Signal information.
 * Defaul offset is required for RSSI <-> dBm conversion.
 */
#define MAX_SIGNAL			100
#define MAX_RX_SSI			-1
#define DEFAULT_RSSI_OFFSET		100

/*
 * Register layout information.
 */
#define CSR_REG_BASE			0x0000
#define CSR_REG_SIZE			0x014c
#define EEPROM_BASE			0x0000
#define EEPROM_SIZE			0x0100
#define BBP_SIZE			0x0020
#define RF_SIZE				0x0010

/*
 * Control/Status Registers(CSR).
 * Some values are set in TU, whereas 1 TU == 1024 us.
 */

/*
 * CSR0: ASIC revision number.
 */
#define CSR0				0x0000

/*
 * CSR1: System control register.
 * SOFT_RESET: Software reset, 1: reset, 0: normal.
 * BBP_RESET: Hardware reset, 1: reset, 0, release.
 * HOST_READY: Host ready after initialization.
 */
#define CSR1				0x0004
#define CSR1_SOFT_RESET			FIELD32(0x00000001)
#define CSR1_BBP_RESET			FIELD32(0x00000002)
#define CSR1_HOST_READY			FIELD32(0x00000004)

/*
 * CSR2: System admin status register (invalid).
 */
#define CSR2				0x0008

/*
 * CSR3: STA MAC address register 0.
 */
#define CSR3				0x000c
#define CSR3_BYTE0			FIELD32(0x000000ff)
#define CSR3_BYTE1			FIELD32(0x0000ff00)
#define CSR3_BYTE2			FIELD32(0x00ff0000)
#define CSR3_BYTE3			FIELD32(0xff000000)

/*
 * CSR4: STA MAC address register 1.
 */
#define CSR4				0x0010
#define CSR4_BYTE4			FIELD32(0x000000ff)
#define CSR4_BYTE5			FIELD32(0x0000ff00)

/*
 * CSR5: BSSID register 0.
 */
#define CSR5				0x0014
#define CSR5_BYTE0			FIELD32(0x000000ff)
#define CSR5_BYTE1			FIELD32(0x0000ff00)
#define CSR5_BYTE2			FIELD32(0x00ff0000)
#define CSR5_BYTE3			FIELD32(0xff000000)

/*
 * CSR6: BSSID register 1.
 */
#define CSR6				0x0018
#define CSR6_BYTE4			FIELD32(0x000000ff)
#define CSR6_BYTE5			FIELD32(0x0000ff00)

/*
 * CSR7: Interrupt source register.
 * Write 1 to clear interrupt.
 * TBCN_EXPIRE: Beacon timer expired interrupt.
 * TWAKE_EXPIRE: Wakeup timer expired interrupt.
 * TATIMW_EXPIRE: Timer of atim window expired interrupt.
 * TXDONE_TXRING: Tx ring transmit done interrupt.
 * TXDONE_ATIMRING: Atim ring transmit done interrupt.
 * TXDONE_PRIORING: Priority ring transmit done interrupt.
 * RXDONE: Receive done interrupt.
 */
#define CSR7				0x001c
#define CSR7_TBCN_EXPIRE		FIELD32(0x00000001)
#define CSR7_TWAKE_EXPIRE		FIELD32(0x00000002)
#define CSR7_TATIMW_EXPIRE		FIELD32(0x00000004)
#define CSR7_TXDONE_TXRING		FIELD32(0x00000008)
#define CSR7_TXDONE_ATIMRING		FIELD32(0x00000010)
#define CSR7_TXDONE_PRIORING		FIELD32(0x00000020)
#define CSR7_RXDONE			FIELD32(0x00000040)

/*
 * CSR8: Interrupt mask register.
 * Write 1 to mask interrupt.
 * TBCN_EXPIRE: Beacon timer expired interrupt.
 * TWAKE_EXPIRE: Wakeup timer expired interrupt.
 * TATIMW_EXPIRE: Timer of atim window expired interrupt.
 * TXDONE_TXRING: Tx ring transmit done interrupt.
 * TXDONE_ATIMRING: Atim ring transmit done interrupt.
 * TXDONE_PRIORING: Priority ring transmit done interrupt.
 * RXDONE: Receive done interrupt.
 */
#define CSR8				0x0020
#define CSR8_TBCN_EXPIRE		FIELD32(0x00000001)
#define CSR8_TWAKE_EXPIRE		FIELD32(0x00000002)
#define CSR8_TATIMW_EXPIRE		FIELD32(0x00000004)
#define CSR8_TXDONE_TXRING		FIELD32(0x00000008)
#define CSR8_TXDONE_ATIMRING		FIELD32(0x00000010)
#define CSR8_TXDONE_PRIORING		FIELD32(0x00000020)
#define CSR8_RXDONE			FIELD32(0x00000040)

/*
 * CSR9: Maximum frame length register.
 * MAX_FRAME_UNIT: Maximum frame length in 128b unit, default: 12.
 */
#define CSR9				0x0024
#define CSR9_MAX_FRAME_UNIT		FIELD32(0x00000f80)

/*
 * CSR11: Back-off control register.
 * CWMIN: CWmin. Default cwmin is 31 (2^5 - 1).
 * CWMAX: CWmax. Default cwmax is 1023 (2^10 - 1).
 * SLOT_TIME: Slot time, default is 20us for 802.11b.
 * LONG_RETRY: Long retry count.
 * SHORT_RETRY: Short retry count.
 */
#define CSR11				0x002c
#define CSR11_CWMIN			FIELD32(0x0000000f)
#define CSR11_CWMAX			FIELD32(0x000000f0)
#define CSR11_SLOT_TIME			FIELD32(0x00001f00)
#define CSR11_LONG_RETRY		FIELD32(0x00ff0000)
#define CSR11_SHORT_RETRY		FIELD32(0xff000000)

/*
 * CSR12: Synchronization configuration register 0.
 * All units in 1/16 TU.
 * BEACON_INTERVAL: Beacon interval, default is 100 TU.
 * CFPMAX_DURATION: Cfp maximum duration, default is 100 TU.
 */
#define CSR12				0x0030
#define CSR12_BEACON_INTERVAL		FIELD32(0x0000ffff)
#define CSR12_CFP_MAX_DURATION		FIELD32(0xffff0000)

/*
 * CSR13: Synchronization configuration register 1.
 * All units in 1/16 TU.
 * ATIMW_DURATION: Atim window duration.
 * CFP_PERIOD: Cfp period, default is 0 TU.
 */
#define CSR13				0x0034
#define CSR13_ATIMW_DURATION		FIELD32(0x0000ffff)
#define CSR13_CFP_PERIOD		FIELD32(0x00ff0000)

/*
 * CSR14: Synchronization control register.
 * TSF_COUNT: Enable tsf auto counting.
 * TSF_SYNC: Tsf sync, 0: disable, 1: infra, 2: ad-hoc/master mode.
 * TBCN: Enable tbcn with reload value.
 * TCFP: Enable tcfp & cfp / cp switching.
 * TATIMW: Enable tatimw & atim window switching.
 * BEACON_GEN: Enable beacon generator.
 * CFP_COUNT_PRELOAD: Cfp count preload value.
 * TBCM_PRELOAD: Tbcn preload value in units of 64us.
 */
#define CSR14				0x0038
#define CSR14_TSF_COUNT			FIELD32(0x00000001)
#define CSR14_TSF_SYNC			FIELD32(0x00000006)
#define CSR14_TBCN			FIELD32(0x00000008)
#define CSR14_TCFP			FIELD32(0x00000010)
#define CSR14_TATIMW			FIELD32(0x00000020)
#define CSR14_BEACON_GEN		FIELD32(0x00000040)
#define CSR14_CFP_COUNT_PRELOAD		FIELD32(0x0000ff00)
#define CSR14_TBCM_PRELOAD		FIELD32(0xffff0000)

/*
 * CSR15: Synchronization status register.
 * CFP: ASIC is in contention-free period.
 * ATIMW: ASIC is in ATIM window.
 * BEACON_SENT: Beacon is send.
 */
#define CSR15				0x003c
#define CSR15_CFP			FIELD32(0x00000001)
#define CSR15_ATIMW			FIELD32(0x00000002)
#define CSR15_BEACON_SENT		FIELD32(0x00000004)

/*
 * CSR16: TSF timer register 0.
 */
#define CSR16				0x0040
#define CSR16_LOW_TSFTIMER		FIELD32(0xffffffff)

/*
 * CSR17: TSF timer register 1.
 */
#define CSR17				0x0044
#define CSR17_HIGH_TSFTIMER		FIELD32(0xffffffff)

/*
 * CSR18: IFS timer register 0.
 * SIFS: Sifs, default is 10 us.
 * PIFS: Pifs, default is 30 us.
 */
#define CSR18				0x0048
#define CSR18_SIFS			FIELD32(0x0000ffff)
#define CSR18_PIFS			FIELD32(0xffff0000)

/*
 * CSR19: IFS timer register 1.
 * DIFS: Difs, default is 50 us.
 * EIFS: Eifs, default is 364 us.
 */
#define CSR19				0x004c
#define CSR19_DIFS			FIELD32(0x0000ffff)
#define CSR19_EIFS			FIELD32(0xffff0000)

/*
 * CSR20: Wakeup timer register.
 * DELAY_AFTER_TBCN: Delay after tbcn expired in units of 1/16 TU.
 * TBCN_BEFORE_WAKEUP: Number of beacon before wakeup.
 * AUTOWAKE: Enable auto wakeup / sleep mechanism.
 */
#define CSR20				0x0050
#define CSR20_DELAY_AFTER_TBCN		FIELD32(0x0000ffff)
#define CSR20_TBCN_BEFORE_WAKEUP	FIELD32(0x00ff0000)
#define CSR20_AUTOWAKE			FIELD32(0x01000000)

/*
 * CSR21: EEPROM control register.
 * RELOAD: Write 1 to reload eeprom content.
 * TYPE_93C46: 1: 93c46, 0:93c66.
 */
#define CSR21				0x0054
#define CSR21_RELOAD			FIELD32(0x00000001)
#define CSR21_EEPROM_DATA_CLOCK		FIELD32(0x00000002)
#define CSR21_EEPROM_CHIP_SELECT	FIELD32(0x00000004)
#define CSR21_EEPROM_DATA_IN		FIELD32(0x00000008)
#define CSR21_EEPROM_DATA_OUT		FIELD32(0x00000010)
#define CSR21_TYPE_93C46		FIELD32(0x00000020)

/*
 * CSR22: CFP control register.
 * CFP_DURATION_REMAIN: Cfp duration remain, in units of TU.
 * RELOAD_CFP_DURATION: Write 1 to reload cfp duration remain.
 */
#define CSR22				0x0058
#define CSR22_CFP_DURATION_REMAIN	FIELD32(0x0000ffff)
#define CSR22_RELOAD_CFP_DURATION	FIELD32(0x00010000)

/*
 * Transmit related CSRs.
 * Some values are set in TU, whereas 1 TU == 1024 us.
 */

/*
 * TXCSR0: TX Control Register.
 * KICK_TX: Kick tx ring.
 * KICK_ATIM: Kick atim ring.
 * KICK_PRIO: Kick priority ring.
 * ABORT: Abort all transmit related ring operation.
 */
#define TXCSR0				0x0060
#define TXCSR0_KICK_TX			FIELD32(0x00000001)
#define TXCSR0_KICK_ATIM		FIELD32(0x00000002)
#define TXCSR0_KICK_PRIO		FIELD32(0x00000004)
#define TXCSR0_ABORT			FIELD32(0x00000008)

/*
 * TXCSR1: TX Configuration Register.
 * ACK_TIMEOUT: Ack timeout, default = sifs + 2*slottime + acktime @ 1mbps.
 * ACK_CONSUME_TIME: Ack consume time, default = sifs + acktime @ 1mbps.
 * TSF_OFFSET: Insert tsf offset.
 * AUTORESPONDER: Enable auto responder which include ack & cts.
 */
#define TXCSR1				0x0064
#define TXCSR1_ACK_TIMEOUT		FIELD32(0x000001ff)
#define TXCSR1_ACK_CONSUME_TIME		FIELD32(0x0003fe00)
#define TXCSR1_TSF_OFFSET		FIELD32(0x00fc0000)
#define TXCSR1_AUTORESPONDER		FIELD32(0x01000000)

/*
 * TXCSR2: Tx descriptor configuration register.
 * TXD_SIZE: Tx descriptor size, default is 48.
 * NUM_TXD: Number of tx entries in ring.
 * NUM_ATIM: Number of atim entries in ring.
 * NUM_PRIO: Number of priority entries in ring.
 */
#define TXCSR2				0x0068
#define TXCSR2_TXD_SIZE			FIELD32(0x000000ff)
#define TXCSR2_NUM_TXD			FIELD32(0x0000ff00)
#define TXCSR2_NUM_ATIM			FIELD32(0x00ff0000)
#define TXCSR2_NUM_PRIO			FIELD32(0xff000000)

/*
 * TXCSR3: TX Ring Base address register.
 */
#define TXCSR3				0x006c
#define TXCSR3_TX_RING_REGISTER		FIELD32(0xffffffff)

/*
 * TXCSR4: TX Atim Ring Base address register.
 */
#define TXCSR4				0x0070
#define TXCSR4_ATIM_RING_REGISTER	FIELD32(0xffffffff)

/*
 * TXCSR5: TX Prio Ring Base address register.
 */
#define TXCSR5				0x0074
#define TXCSR5_PRIO_RING_REGISTER	FIELD32(0xffffffff)

/*
 * TXCSR6: Beacon Base address register.
 */
#define TXCSR6				0x0078
#define TXCSR6_BEACON_RING_REGISTER	FIELD32(0xffffffff)

/*
 * TXCSR7: Auto responder control register.
 * AR_POWERMANAGEMENT: Auto responder power management bit.
 */
#define TXCSR7				0x007c
#define TXCSR7_AR_POWERMANAGEMENT	FIELD32(0x00000001)

/*
 * Receive related CSRs.
 * Some values are set in TU, whereas 1 TU == 1024 us.
 */

/*
 * RXCSR0: RX Control Register.
 * DISABLE_RX: Disable rx engine.
 * DROP_CRC: Drop crc error.
 * DROP_PHYSICAL: Drop physical error.
 * DROP_CONTROL: Drop control frame.
 * DROP_NOT_TO_ME: Drop not to me unicast frame.
 * DROP_TODS: Drop frame tods bit is true.
 * DROP_VERSION_ERROR: Drop version error frame.
 * PASS_CRC: Pass all packets with crc attached.
 */
#define RXCSR0				0x0080
#define RXCSR0_DISABLE_RX		FIELD32(0x00000001)
#define RXCSR0_DROP_CRC			FIELD32(0x00000002)
#define RXCSR0_DROP_PHYSICAL		FIELD32(0x00000004)
#define RXCSR0_DROP_CONTROL		FIELD32(0x00000008)
#define RXCSR0_DROP_NOT_TO_ME		FIELD32(0x00000010)
#define RXCSR0_DROP_TODS		FIELD32(0x00000020)
#define RXCSR0_DROP_VERSION_ERROR	FIELD32(0x00000040)
#define RXCSR0_PASS_CRC			FIELD32(0x00000080)

/*
 * RXCSR1: RX descriptor configuration register.
 * RXD_SIZE: Rx descriptor size, default is 32b.
 * NUM_RXD: Number of rx entries in ring.
 */
#define RXCSR1				0x0084
#define RXCSR1_RXD_SIZE			FIELD32(0x000000ff)
#define RXCSR1_NUM_RXD			FIELD32(0x0000ff00)

/*
 * RXCSR2: RX Ring base address register.
 */
#define RXCSR2				0x0088
#define RXCSR2_RX_RING_REGISTER		FIELD32(0xffffffff)

/*
 * RXCSR3: BBP ID register for Rx operation.
 * BBP_ID#: BBP register # id.
 * BBP_ID#_VALID: BBP register # id is valid or not.
 */
#define RXCSR3				0x0090
#define RXCSR3_BBP_ID0			FIELD32(0x0000007f)
#define RXCSR3_BBP_ID0_VALID		FIELD32(0x00000080)
#define RXCSR3_BBP_ID1			FIELD32(0x00007f00)
#define RXCSR3_BBP_ID1_VALID		FIELD32(0x00008000)
#define RXCSR3_BBP_ID2			FIELD32(0x007f0000)
#define RXCSR3_BBP_ID2_VALID		FIELD32(0x00800000)
#define RXCSR3_BBP_ID3			FIELD32(0x7f000000)
#define RXCSR3_BBP_ID3_VALID		FIELD32(0x80000000)

/*
 * RXCSR4: BBP ID register for Rx operation.
 * BBP_ID#: BBP register # id.
 * BBP_ID#_VALID: BBP register # id is valid or not.
 */
#define RXCSR4				0x0094
#define RXCSR4_BBP_ID4			FIELD32(0x0000007f)
#define RXCSR4_BBP_ID4_VALID		FIELD32(0x00000080)
#define RXCSR4_BBP_ID5			FIELD32(0x00007f00)
#define RXCSR4_BBP_ID5_VALID		FIELD32(0x00008000)

/*
 * ARCSR0: Auto Responder PLCP config register 0.
 * ARCSR0_AR_BBP_DATA#: Auto responder BBP register # data.
 * ARCSR0_AR_BBP_ID#: Auto responder BBP register # Id.
 */
#define ARCSR0				0x0098
#define ARCSR0_AR_BBP_DATA0		FIELD32(0x000000ff)
#define ARCSR0_AR_BBP_ID0		FIELD32(0x0000ff00)
#define ARCSR0_AR_BBP_DATA1		FIELD32(0x00ff0000)
#define ARCSR0_AR_BBP_ID1		FIELD32(0xff000000)

/*
 * ARCSR1: Auto Responder PLCP config register 1.
 * ARCSR0_AR_BBP_DATA#: Auto responder BBP register # data.
 * ARCSR0_AR_BBP_ID#: Auto responder BBP register # Id.
 */
#define ARCSR1				0x009c
#define ARCSR1_AR_BBP_DATA2		FIELD32(0x000000ff)
#define ARCSR1_AR_BBP_ID2		FIELD32(0x0000ff00)
#define ARCSR1_AR_BBP_DATA3		FIELD32(0x00ff0000)
#define ARCSR1_AR_BBP_ID3		FIELD32(0xff000000)

/*
 * Miscellaneous Registers.
 * Some values are set in TU, whereas 1 TU == 1024 us.
 */

/*
 * PCICSR: PCI control register.
 * BIG_ENDIAN: 1: big endian, 0: little endian.
 * RX_TRESHOLD: Rx threshold in dw to start pci access
 * 0: 16dw (default), 1: 8dw, 2: 4dw, 3: 32dw.
 * TX_TRESHOLD: Tx threshold in dw to start pci access
 * 0: 0dw (default), 1: 1dw, 2: 4dw, 3: forward.
 * BURST_LENTH: Pci burst length 0: 4dw (default, 1: 8dw, 2: 16dw, 3:32dw.
 * ENABLE_CLK: Enable clk_run, pci clock can't going down to non-operational.
 */
#define PCICSR				0x008c
#define PCICSR_BIG_ENDIAN		FIELD32(0x00000001)
#define PCICSR_RX_TRESHOLD		FIELD32(0x00000006)
#define PCICSR_TX_TRESHOLD		FIELD32(0x00000018)
#define PCICSR_BURST_LENTH		FIELD32(0x00000060)
#define PCICSR_ENABLE_CLK		FIELD32(0x00000080)

/*
 * CNT0: FCS error count.
 * FCS_ERROR: FCS error count, cleared when read.
 */
#define CNT0				0x00a0
#define CNT0_FCS_ERROR			FIELD32(0x0000ffff)

/*
 * Statistic Register.
 * CNT1: PLCP error count.
 * CNT2: Long error count.
 * CNT3: CCA false alarm count.
 * CNT4: Rx FIFO overflow count.
 * CNT5: Tx FIFO underrun count.
 */
#define TIMECSR2			0x00a8
#define CNT1				0x00ac
#define CNT2				0x00b0
#define TIMECSR3			0x00b4
#define CNT3				0x00b8
#define CNT4				0x00bc
#define CNT5				0x00c0

/*
 * Baseband Control Register.
 */

/*
 * PWRCSR0: Power mode configuration register.
 */
#define PWRCSR0				0x00c4

/*
 * Power state transition time registers.
 */
#define PSCSR0				0x00c8
#define PSCSR1				0x00cc
#define PSCSR2				0x00d0
#define PSCSR3				0x00d4

/*
 * PWRCSR1: Manual power control / status register.
 * Allowed state: 0 deep_sleep, 1: sleep, 2: standby, 3: awake.
 * SET_STATE: Set state. Write 1 to trigger, self cleared.
 * BBP_DESIRE_STATE: BBP desired state.
 * RF_DESIRE_STATE: RF desired state.
 * BBP_CURR_STATE: BBP current state.
 * RF_CURR_STATE: RF current state.
 * PUT_TO_SLEEP: Put to sleep. Write 1 to trigger, self cleared.
 */
#define PWRCSR1				0x00d8
#define PWRCSR1_SET_STATE		FIELD32(0x00000001)
#define PWRCSR1_BBP_DESIRE_STATE	FIELD32(0x00000006)
#define PWRCSR1_RF_DESIRE_STATE		FIELD32(0x00000018)
#define PWRCSR1_BBP_CURR_STATE		FIELD32(0x00000060)
#define PWRCSR1_RF_CURR_STATE		FIELD32(0x00000180)
#define PWRCSR1_PUT_TO_SLEEP		FIELD32(0x00000200)

/*
 * TIMECSR: Timer control register.
 * US_COUNT: 1 us timer count in units of clock cycles.
 * US_64_COUNT: 64 us timer count in units of 1 us timer.
 * BEACON_EXPECT: Beacon expect window.
 */
#define TIMECSR				0x00dc
#define TIMECSR_US_COUNT		FIELD32(0x000000ff)
#define TIMECSR_US_64_COUNT		FIELD32(0x0000ff00)
#define TIMECSR_BEACON_EXPECT		FIELD32(0x00070000)

/*
 * MACCSR0: MAC configuration register 0.
 */
#define MACCSR0				0x00e0

/*
 * MACCSR1: MAC configuration register 1.
 * KICK_RX: Kick one-shot rx in one-shot rx mode.
 * ONESHOT_RXMODE: Enable one-shot rx mode for debugging.
 * BBPRX_RESET_MODE: Ralink bbp rx reset mode.
 * AUTO_TXBBP: Auto tx logic access bbp control register.
 * AUTO_RXBBP: Auto rx logic access bbp control register.
 * LOOPBACK: Loopback mode. 0: normal, 1: internal, 2: external, 3:rsvd.
 * INTERSIL_IF: Intersil if calibration pin.
 */
#define MACCSR1				0x00e4
#define MACCSR1_KICK_RX			FIELD32(0x00000001)
#define MACCSR1_ONESHOT_RXMODE		FIELD32(0x00000002)
#define MACCSR1_BBPRX_RESET_MODE	FIELD32(0x00000004)
#define MACCSR1_AUTO_TXBBP		FIELD32(0x00000008)
#define MACCSR1_AUTO_RXBBP		FIELD32(0x00000010)
#define MACCSR1_LOOPBACK		FIELD32(0x00000060)
#define MACCSR1_INTERSIL_IF		FIELD32(0x00000080)

/*
 * RALINKCSR: Ralink Rx auto-reset BBCR.
 * AR_BBP_DATA#: Auto reset BBP register # data.
 * AR_BBP_ID#: Auto reset BBP register # id.
 */
#define RALINKCSR			0x00e8
#define RALINKCSR_AR_BBP_DATA0		FIELD32(0x000000ff)
#define RALINKCSR_AR_BBP_ID0		FIELD32(0x0000ff00)
#define RALINKCSR_AR_BBP_DATA1		FIELD32(0x00ff0000)
#define RALINKCSR_AR_BBP_ID1		FIELD32(0xff000000)

/*
 * BCNCSR: Beacon interval control register.
 * CHANGE: Write one to change beacon interval.
 * DELTATIME: The delta time value.
 * NUM_BEACON: Number of beacon according to mode.
 * MODE: Please refer to asic specs.
 * PLUS: Plus or minus delta time value.
 */
#define BCNCSR				0x00ec
#define BCNCSR_CHANGE			FIELD32(0x00000001)
#define BCNCSR_DELTATIME		FIELD32(0x0000001e)
#define BCNCSR_NUM_BEACON		FIELD32(0x00001fe0)
#define BCNCSR_MODE			FIELD32(0x00006000)
#define BCNCSR_PLUS			FIELD32(0x00008000)

/*
 * BBP / RF / IF Control Register.
 */

/*
 * BBPCSR: BBP serial control register.
 * VALUE: Register value to program into BBP.
 * REGNUM: Selected BBP register.
 * BUSY: 1: asic is busy execute BBP programming.
 * WRITE_CONTROL: 1: write BBP, 0: read BBP.
 */
#define BBPCSR				0x00f0
#define BBPCSR_VALUE			FIELD32(0x000000ff)
#define BBPCSR_REGNUM			FIELD32(0x00007f00)
#define BBPCSR_BUSY			FIELD32(0x00008000)
#define BBPCSR_WRITE_CONTROL		FIELD32(0x00010000)

/*
 * RFCSR: RF serial control register.
 * VALUE: Register value + id to program into rf/if.
 * NUMBER_OF_BITS: Number of bits used in value (i:20, rfmd:22).
 * IF_SELECT: Chip to program: 0: rf, 1: if.
 * PLL_LD: Rf pll_ld status.
 * BUSY: 1: asic is busy execute rf programming.
 */
#define RFCSR				0x00f4
#define RFCSR_VALUE			FIELD32(0x00ffffff)
#define RFCSR_NUMBER_OF_BITS		FIELD32(0x1f000000)
#define RFCSR_IF_SELECT			FIELD32(0x20000000)
#define RFCSR_PLL_LD			FIELD32(0x40000000)
#define RFCSR_BUSY			FIELD32(0x80000000)

/*
 * LEDCSR: LED control register.
 * ON_PERIOD: On period, default 70ms.
 * OFF_PERIOD: Off period, default 30ms.
 * LINK: 0: linkoff, 1: linkup.
 * ACTIVITY: 0: idle, 1: active.
 */
#define LEDCSR				0x00f8
#define LEDCSR_ON_PERIOD		FIELD32(0x000000ff)
#define LEDCSR_OFF_PERIOD		FIELD32(0x0000ff00)
#define LEDCSR_LINK			FIELD32(0x00010000)
#define LEDCSR_ACTIVITY			FIELD32(0x00020000)

/*
 * ASIC pointer information.
 * RXPTR: Current RX ring address.
 * TXPTR: Current Tx ring address.
 * PRIPTR: Current Priority ring address.
 * ATIMPTR: Current ATIM ring address.
 */
#define RXPTR				0x0100
#define TXPTR				0x0104
#define PRIPTR				0x0108
#define ATIMPTR				0x010c

/*
 * GPIO and others.
 */

/*
 * GPIOCSR: GPIO control register.
 */
#define GPIOCSR				0x0120
#define GPIOCSR_BIT0			FIELD32(0x00000001)
#define GPIOCSR_BIT1			FIELD32(0x00000002)
#define GPIOCSR_BIT2			FIELD32(0x00000004)
#define GPIOCSR_BIT3			FIELD32(0x00000008)
#define GPIOCSR_BIT4			FIELD32(0x00000010)
#define GPIOCSR_BIT5			FIELD32(0x00000020)
#define GPIOCSR_BIT6			FIELD32(0x00000040)
#define GPIOCSR_BIT7			FIELD32(0x00000080)

/*
 * BBPPCSR: BBP Pin control register.
 */
#define BBPPCSR				0x0124

/*
 * BCNCSR1: Tx BEACON offset time control register.
 * PRELOAD: Beacon timer offset in units of usec.
 */
#define BCNCSR1				0x0130
#define BCNCSR1_PRELOAD			FIELD32(0x0000ffff)

/*
 * MACCSR2: TX_PE to RX_PE turn-around time control register
 * DELAY: RX_PE low width, in units of pci clock cycle.
 */
#define MACCSR2				0x0134
#define MACCSR2_DELAY			FIELD32(0x000000ff)

/*
 * ARCSR2: 1 Mbps ACK/CTS PLCP.
 */
#define ARCSR2				0x013c
#define ARCSR2_SIGNAL			FIELD32(0x000000ff)
#define ARCSR2_SERVICE			FIELD32(0x0000ff00)
#define ARCSR2_LENGTH_LOW		FIELD32(0x00ff0000)
#define ARCSR2_LENGTH			FIELD32(0xffff0000)

/*
 * ARCSR3: 2 Mbps ACK/CTS PLCP.
 */
#define ARCSR3				0x0140
#define ARCSR3_SIGNAL			FIELD32(0x000000ff)
#define ARCSR3_SERVICE			FIELD32(0x0000ff00)
#define ARCSR3_LENGTH			FIELD32(0xffff0000)

/*
 * ARCSR4: 5.5 Mbps ACK/CTS PLCP.
 */
#define ARCSR4				0x0144
#define ARCSR4_SIGNAL			FIELD32(0x000000ff)
#define ARCSR4_SERVICE			FIELD32(0x0000ff00)
#define ARCSR4_LENGTH			FIELD32(0xffff0000)

/*
 * ARCSR5: 11 Mbps ACK/CTS PLCP.
 */
#define ARCSR5				0x0148
#define ARCSR5_SIGNAL			FIELD32(0x000000ff)
#define ARCSR5_SERVICE			FIELD32(0x0000ff00)
#define ARCSR5_LENGTH			FIELD32(0xffff0000)

/*
 * BBP registers.
 * The wordsize of the BBP is 8 bits.
 */

/*
 * R1: TX antenna control
 */
#define BBP_R1_TX_ANTENNA		FIELD8(0x03)

/*
 * R4: RX antenna control
 */
#define BBP_R4_RX_ANTENNA		FIELD8(0x06)

/*
 * RF registers
 */

/*
 * RF 1
 */
#define RF1_TUNER			FIELD32(0x00020000)

/*
 * RF 3
 */
#define RF3_TUNER			FIELD32(0x00000100)
#define RF3_TXPOWER			FIELD32(0x00003e00)

/*
 * EEPROM content.
 * The wordsize of the EEPROM is 16 bits.
 */

/*
 * HW MAC address.
 */
#define EEPROM_MAC_ADDR_0		0x0002
#define EEPROM_MAC_ADDR_BYTE0		FIELD16(0x00ff)
#define EEPROM_MAC_ADDR_BYTE1		FIELD16(0xff00)
#define EEPROM_MAC_ADDR1		0x0003
#define EEPROM_MAC_ADDR_BYTE2		FIELD16(0x00ff)
#define EEPROM_MAC_ADDR_BYTE3		FIELD16(0xff00)
#define EEPROM_MAC_ADDR_2		0x0004
#define EEPROM_MAC_ADDR_BYTE4		FIELD16(0x00ff)
#define EEPROM_MAC_ADDR_BYTE5		FIELD16(0xff00)

/*
 * EEPROM antenna.
 * ANTENNA_NUM: Number of antenna's.
 * TX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
 * RX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
 * RF_TYPE: Rf_type of this adapter.
 * LED_MODE: 0: default, 1: TX/RX activity,2: Single (ignore link), 3: rsvd.
 * RX_AGCVGC: 0: disable, 1:enable BBP R13 tuning.
 * HARDWARE_RADIO: 1: Hardware controlled radio. Read GPIO0.
 */
#define EEPROM_ANTENNA			0x0b
#define EEPROM_ANTENNA_NUM		FIELD16(0x0003)
#define EEPROM_ANTENNA_TX_DEFAULT	FIELD16(0x000c)
#define EEPROM_ANTENNA_RX_DEFAULT	FIELD16(0x0030)
#define EEPROM_ANTENNA_RF_TYPE		FIELD16(0x0040)
#define EEPROM_ANTENNA_LED_MODE		FIELD16(0x0180)
#define EEPROM_ANTENNA_RX_AGCVGC_TUNING	FIELD16(0x0200)
#define EEPROM_ANTENNA_HARDWARE_RADIO	FIELD16(0x0400)

/*
 * EEPROM BBP.
 */
#define EEPROM_BBP_START		0x0c
#define EEPROM_BBP_SIZE			7
#define EEPROM_BBP_VALUE		FIELD16(0x00ff)
#define EEPROM_BBP_REG_ID		FIELD16(0xff00)

/*
 * EEPROM TXPOWER
 */
#define EEPROM_TXPOWER_START		0x13
#define EEPROM_TXPOWER_SIZE		7
#define EEPROM_TXPOWER_1		FIELD16(0x00ff)
#define EEPROM_TXPOWER_2		FIELD16(0xff00)

/*
 * DMA descriptor defines.
 */
#define TXD_DESC_SIZE			( 8 * sizeof(__le32) )
#define RXD_DESC_SIZE			( 8 * sizeof(__le32) )

/*
 * TX descriptor format for TX, PRIO, ATIM and Beacon Ring.
 */

/*
 * Word0
 */
#define TXD_W0_OWNER_NIC		FIELD32(0x00000001)
#define TXD_W0_VALID			FIELD32(0x00000002)
#define TXD_W0_RESULT			FIELD32(0x0000001c)
#define TXD_W0_RETRY_COUNT		FIELD32(0x000000e0)
#define TXD_W0_MORE_FRAG		FIELD32(0x00000100)
#define TXD_W0_ACK			FIELD32(0x00000200)
#define TXD_W0_TIMESTAMP		FIELD32(0x00000400)
#define TXD_W0_RTS			FIELD32(0x00000800)
#define TXD_W0_IFS			FIELD32(0x00006000)
#define TXD_W0_RETRY_MODE		FIELD32(0x00008000)
#define TXD_W0_AGC			FIELD32(0x00ff0000)
#define TXD_W0_R2			FIELD32(0xff000000)

/*
 * Word1
 */
#define TXD_W1_BUFFER_ADDRESS		FIELD32(0xffffffff)

/*
 * Word2
 */
#define TXD_W2_BUFFER_LENGTH		FIELD32(0x0000ffff)
#define TXD_W2_DATABYTE_COUNT		FIELD32(0xffff0000)

/*
 * Word3 & 4: PLCP information
 */
#define TXD_W3_PLCP_SIGNAL		FIELD32(0x0000ffff)
#define TXD_W3_PLCP_SERVICE		FIELD32(0xffff0000)
#define TXD_W4_PLCP_LENGTH_LOW		FIELD32(0x0000ffff)
#define TXD_W4_PLCP_LENGTH_HIGH		FIELD32(0xffff0000)

/*
 * Word5
 */
#define TXD_W5_BBCR4			FIELD32(0x0000ffff)
#define TXD_W5_AGC_REG			FIELD32(0x007f0000)
#define TXD_W5_AGC_REG_VALID		FIELD32(0x00800000)
#define TXD_W5_XXX_REG			FIELD32(0x7f000000)
#define TXD_W5_XXX_REG_VALID		FIELD32(0x80000000)

/*
 * Word6
 */
#define TXD_W6_SK_BUFF			FIELD32(0xffffffff)

/*
 * Word7
 */
#define TXD_W7_RESERVED			FIELD32(0xffffffff)

/*
 * RX descriptor format for RX Ring.
 */

/*
 * Word0
 */
#define RXD_W0_OWNER_NIC		FIELD32(0x00000001)
#define RXD_W0_UNICAST_TO_ME		FIELD32(0x00000002)
#define RXD_W0_MULTICAST		FIELD32(0x00000004)
#define RXD_W0_BROADCAST		FIELD32(0x00000008)
#define RXD_W0_MY_BSS			FIELD32(0x00000010)
#define RXD_W0_CRC_ERROR		FIELD32(0x00000020)
#define RXD_W0_PHYSICAL_ERROR		FIELD32(0x00000080)
#define RXD_W0_DATABYTE_COUNT		FIELD32(0xffff0000)

/*
 * Word1
 */
#define RXD_W1_BUFFER_ADDRESS		FIELD32(0xffffffff)

/*
 * Word2
 */
#define RXD_W2_BUFFER_LENGTH		FIELD32(0x0000ffff)
#define RXD_W2_SIGNAL			FIELD32(0x00ff0000)
#define RXD_W2_RSSI			FIELD32(0xff000000)

/*
 * Word3
 */
#define RXD_W3_BBR2			FIELD32(0x000000ff)
#define RXD_W3_BBR3			FIELD32(0x0000ff00)
#define RXD_W3_BBR4			FIELD32(0x00ff0000)
#define RXD_W3_BBR5			FIELD32(0xff000000)

/*
 * Word4
 */
#define RXD_W4_RX_END_TIME		FIELD32(0xffffffff)

/*
 * Word5 & 6 & 7: Reserved
 */
#define RXD_W5_RESERVED			FIELD32(0xffffffff)
#define RXD_W6_RESERVED			FIELD32(0xffffffff)
#define RXD_W7_RESERVED			FIELD32(0xffffffff)

/*
 * Macro's for converting txpower from EEPROM to dscape value
 * and from dscape value to register value.
 * NOTE: Logics in rt2400pci for txpower are reversed
 * compared to the other rt2x00 drivers. A higher txpower
 * value means that the txpower must be lowered. This is
 * important when converting the value coming from the
 * dscape stack to the rt2400 acceptable value.
 */
#define MIN_TXPOWER	31
#define MAX_TXPOWER	62
#define DEFAULT_TXPOWER	39

#define TXPOWER_FROM_DEV(__txpower)					\
({									\
	((__txpower) > MAX_TXPOWER) ? DEFAULT_TXPOWER - MIN_TXPOWER :	\
	((__txpower) < MIN_TXPOWER) ? DEFAULT_TXPOWER - MIN_TXPOWER :	\
	(((__txpower) - MAX_TXPOWER) + MIN_TXPOWER);			\
})

#define TXPOWER_TO_DEV(__txpower)			\
({							\
	(__txpower) += MIN_TXPOWER;			\
	((__txpower) <= MIN_TXPOWER) ? MAX_TXPOWER :	\
	(((__txpower) >= MAX_TXPOWER) ? MIN_TXPOWER :	\
	(MAX_TXPOWER - ((__txpower) - MIN_TXPOWER)));	\
})

#endif /* RT2400PCI_H */