summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/rt2x00/rt2500usb.h
blob: afba0739c3b87ded3965521b449408fef35d3d33 (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
/*
	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
	<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, see <http://www.gnu.org/licenses/>.
 */

/*
	Module: rt2500usb
	Abstract: Data structures and registers for the rt2500usb module.
	Supported chipsets: RT2570.
 */

#ifndef RT2500USB_H
#define RT2500USB_H

/*
 * RF chip defines.
 */
#define RF2522				0x0000
#define RF2523				0x0001
#define RF2524				0x0002
#define RF2525				0x0003
#define RF2525E				0x0005
#define RF5222				0x0010

/*
 * RT2570 version
 */
#define RT2570_VERSION_B		2
#define RT2570_VERSION_C		3
#define RT2570_VERSION_D		4

/*
 * Signal information.
 * Default offset is required for RSSI <-> dBm conversion.
 */
#define DEFAULT_RSSI_OFFSET		120

/*
 * Register layout information.
 */
#define CSR_REG_BASE			0x0400
#define CSR_REG_SIZE			0x0100
#define EEPROM_BASE			0x0000
#define EEPROM_SIZE			0x006a
#define BBP_BASE			0x0000
#define BBP_SIZE			0x0060
#define RF_BASE				0x0004
#define RF_SIZE				0x0010

/*
 * Number of TX queues.
 */
#define NUM_TX_QUEUES			2

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

/*
 * MAC_CSR0: ASIC revision number.
 */
#define MAC_CSR0			0x0400

/*
 * MAC_CSR1: System control.
 * SOFT_RESET: Software reset, 1: reset, 0: normal.
 * BBP_RESET: Hardware reset, 1: reset, 0, release.
 * HOST_READY: Host ready after initialization.
 */
#define MAC_CSR1			0x0402
#define MAC_CSR1_SOFT_RESET		FIELD16(0x00000001)
#define MAC_CSR1_BBP_RESET		FIELD16(0x00000002)
#define MAC_CSR1_HOST_READY		FIELD16(0x00000004)

/*
 * MAC_CSR2: STA MAC register 0.
 */
#define MAC_CSR2			0x0404
#define MAC_CSR2_BYTE0			FIELD16(0x00ff)
#define MAC_CSR2_BYTE1			FIELD16(0xff00)

/*
 * MAC_CSR3: STA MAC register 1.
 */
#define MAC_CSR3			0x0406
#define MAC_CSR3_BYTE2			FIELD16(0x00ff)
#define MAC_CSR3_BYTE3			FIELD16(0xff00)

/*
 * MAC_CSR4: STA MAC register 2.
 */
#define MAC_CSR4			0X0408
#define MAC_CSR4_BYTE4			FIELD16(0x00ff)
#define MAC_CSR4_BYTE5			FIELD16(0xff00)

/*
 * MAC_CSR5: BSSID register 0.
 */
#define MAC_CSR5			0x040a
#define MAC_CSR5_BYTE0			FIELD16(0x00ff)
#define MAC_CSR5_BYTE1			FIELD16(0xff00)

/*
 * MAC_CSR6: BSSID register 1.
 */
#define MAC_CSR6			0x040c
#define MAC_CSR6_BYTE2			FIELD16(0x00ff)
#define MAC_CSR6_BYTE3			FIELD16(0xff00)

/*
 * MAC_CSR7: BSSID register 2.
 */
#define MAC_CSR7			0x040e
#define MAC_CSR7_BYTE4			FIELD16(0x00ff)
#define MAC_CSR7_BYTE5			FIELD16(0xff00)

/*
 * MAC_CSR8: Max frame length.
 */
#define MAC_CSR8			0x0410
#define MAC_CSR8_MAX_FRAME_UNIT		FIELD16(0x0fff)

/*
 * Misc MAC_CSR registers.
 * MAC_CSR9: Timer control.
 * MAC_CSR10: Slot time.
 * MAC_CSR11: SIFS.
 * MAC_CSR12: EIFS.
 * MAC_CSR13: Power mode0.
 * MAC_CSR14: Power mode1.
 * MAC_CSR15: Power saving transition0
 * MAC_CSR16: Power saving transition1
 */
#define MAC_CSR9			0x0412
#define MAC_CSR10			0x0414
#define MAC_CSR11			0x0416
#define MAC_CSR12			0x0418
#define MAC_CSR13			0x041a
#define MAC_CSR14			0x041c
#define MAC_CSR15			0x041e
#define MAC_CSR16			0x0420

/*
 * MAC_CSR17: 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_CURRENT_STATE: BBP current state.
 * RF_CURRENT_STATE: RF current state.
 * PUT_TO_SLEEP: Put to sleep. Write 1 to trigger, self cleared.
 */
#define MAC_CSR17			0x0422
#define MAC_CSR17_SET_STATE		FIELD16(0x0001)
#define MAC_CSR17_BBP_DESIRE_STATE	FIELD16(0x0006)
#define MAC_CSR17_RF_DESIRE_STATE	FIELD16(0x0018)
#define MAC_CSR17_BBP_CURR_STATE	FIELD16(0x0060)
#define MAC_CSR17_RF_CURR_STATE		FIELD16(0x0180)
#define MAC_CSR17_PUT_TO_SLEEP		FIELD16(0x0200)

/*
 * MAC_CSR18: Wakeup timer register.
 * DELAY_AFTER_BEACON: Delay after Tbcn expired in units of 1/16 TU.
 * BEACONS_BEFORE_WAKEUP: Number of beacon before wakeup.
 * AUTO_WAKE: Enable auto wakeup / sleep mechanism.
 */
#define MAC_CSR18			0x0424
#define MAC_CSR18_DELAY_AFTER_BEACON	FIELD16(0x00ff)
#define MAC_CSR18_BEACONS_BEFORE_WAKEUP	FIELD16(0x7f00)
#define MAC_CSR18_AUTO_WAKE		FIELD16(0x8000)

/*
 * MAC_CSR19: GPIO control register.
 *	MAC_CSR19_VALx: GPIO value
 *	MAC_CSR19_DIRx: GPIO direction: 0 = input; 1 = output
 */
#define MAC_CSR19			0x0426
#define MAC_CSR19_VAL0			FIELD16(0x0001)
#define MAC_CSR19_VAL1			FIELD16(0x0002)
#define MAC_CSR19_VAL2			FIELD16(0x0004)
#define MAC_CSR19_VAL3			FIELD16(0x0008)
#define MAC_CSR19_VAL4			FIELD16(0x0010)
#define MAC_CSR19_VAL5			FIELD16(0x0020)
#define MAC_CSR19_VAL6			FIELD16(0x0040)
#define MAC_CSR19_VAL7			FIELD16(0x0080)
#define MAC_CSR19_DIR0			FIELD16(0x0100)
#define MAC_CSR19_DIR1			FIELD16(0x0200)
#define MAC_CSR19_DIR2			FIELD16(0x0400)
#define MAC_CSR19_DIR3			FIELD16(0x0800)
#define MAC_CSR19_DIR4			FIELD16(0x1000)
#define MAC_CSR19_DIR5			FIELD16(0x2000)
#define MAC_CSR19_DIR6			FIELD16(0x4000)
#define MAC_CSR19_DIR7			FIELD16(0x8000)

/*
 * MAC_CSR20: LED control register.
 * ACTIVITY: 0: idle, 1: active.
 * LINK: 0: linkoff, 1: linkup.
 * ACTIVITY_POLARITY: 0: active low, 1: active high.
 */
#define MAC_CSR20			0x0428
#define MAC_CSR20_ACTIVITY		FIELD16(0x0001)
#define MAC_CSR20_LINK			FIELD16(0x0002)
#define MAC_CSR20_ACTIVITY_POLARITY	FIELD16(0x0004)

/*
 * MAC_CSR21: LED control register.
 * ON_PERIOD: On period, default 70ms.
 * OFF_PERIOD: Off period, default 30ms.
 */
#define MAC_CSR21			0x042a
#define MAC_CSR21_ON_PERIOD		FIELD16(0x00ff)
#define MAC_CSR21_OFF_PERIOD		FIELD16(0xff00)

/*
 * MAC_CSR22: Collision window control register.
 */
#define MAC_CSR22			0x042c

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

/*
 * TXRX_CSR0: Security control register.
 */
#define TXRX_CSR0			0x0440
#define TXRX_CSR0_ALGORITHM		FIELD16(0x0007)
#define TXRX_CSR0_IV_OFFSET		FIELD16(0x01f8)
#define TXRX_CSR0_KEY_ID		FIELD16(0x1e00)

/*
 * TXRX_CSR1: TX configuration.
 * ACK_TIMEOUT: ACK Timeout in unit of 1-us.
 * TSF_OFFSET: TSF offset in MAC header.
 * AUTO_SEQUENCE: Let ASIC control frame sequence number.
 */
#define TXRX_CSR1			0x0442
#define TXRX_CSR1_ACK_TIMEOUT		FIELD16(0x00ff)
#define TXRX_CSR1_TSF_OFFSET		FIELD16(0x7f00)
#define TXRX_CSR1_AUTO_SEQUENCE		FIELD16(0x8000)

/*
 * TXRX_CSR2: RX control.
 * 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.
 * DROP_MCAST: Drop multicast frames.
 * DROP_BCAST: Drop broadcast frames.
 */
#define TXRX_CSR2			0x0444
#define	TXRX_CSR2_DISABLE_RX		FIELD16(0x0001)
#define TXRX_CSR2_DROP_CRC		FIELD16(0x0002)
#define TXRX_CSR2_DROP_PHYSICAL		FIELD16(0x0004)
#define TXRX_CSR2_DROP_CONTROL		FIELD16(0x0008)
#define TXRX_CSR2_DROP_NOT_TO_ME	FIELD16(0x0010)
#define TXRX_CSR2_DROP_TODS		FIELD16(0x0020)
#define TXRX_CSR2_DROP_VERSION_ERROR	FIELD16(0x0040)
#define TXRX_CSR2_DROP_MULTICAST	FIELD16(0x0200)
#define TXRX_CSR2_DROP_BROADCAST	FIELD16(0x0400)

/*
 * RX BBP ID registers
 * TXRX_CSR3: CCK RX BBP ID.
 * TXRX_CSR4: OFDM RX BBP ID.
 */
#define TXRX_CSR3			0x0446
#define TXRX_CSR4			0x0448

/*
 * TXRX_CSR5: CCK TX BBP ID0.
 */
#define TXRX_CSR5			0x044a
#define TXRX_CSR5_BBP_ID0		FIELD16(0x007f)
#define TXRX_CSR5_BBP_ID0_VALID		FIELD16(0x0080)
#define TXRX_CSR5_BBP_ID1		FIELD16(0x7f00)
#define TXRX_CSR5_BBP_ID1_VALID		FIELD16(0x8000)

/*
 * TXRX_CSR6: CCK TX BBP ID1.
 */
#define TXRX_CSR6			0x044c
#define TXRX_CSR6_BBP_ID0		FIELD16(0x007f)
#define TXRX_CSR6_BBP_ID0_VALID		FIELD16(0x0080)
#define TXRX_CSR6_BBP_ID1		FIELD16(0x7f00)
#define TXRX_CSR6_BBP_ID1_VALID		FIELD16(0x8000)

/*
 * TXRX_CSR7: OFDM TX BBP ID0.
 */
#define TXRX_CSR7			0x044e
#define TXRX_CSR7_BBP_ID0		FIELD16(0x007f)
#define TXRX_CSR7_BBP_ID0_VALID		FIELD16(0x0080)
#define TXRX_CSR7_BBP_ID1		FIELD16(0x7f00)
#define TXRX_CSR7_BBP_ID1_VALID		FIELD16(0x8000)

/*
 * TXRX_CSR8: OFDM TX BBP ID1.
 */
#define TXRX_CSR8			0x0450
#define TXRX_CSR8_BBP_ID0		FIELD16(0x007f)
#define TXRX_CSR8_BBP_ID0_VALID		FIELD16(0x0080)
#define TXRX_CSR8_BBP_ID1		FIELD16(0x7f00)
#define TXRX_CSR8_BBP_ID1_VALID		FIELD16(0x8000)

/*
 * TXRX_CSR9: TX ACK time-out.
 */
#define TXRX_CSR9			0x0452

/*
 * TXRX_CSR10: Auto responder control.
 */
#define TXRX_CSR10			0x0454
#define TXRX_CSR10_AUTORESPOND_PREAMBLE FIELD16(0x0004)

/*
 * TXRX_CSR11: Auto responder basic rate.
 */
#define TXRX_CSR11			0x0456

/*
 * ACK/CTS time registers.
 */
#define TXRX_CSR12			0x0458
#define TXRX_CSR13			0x045a
#define TXRX_CSR14			0x045c
#define TXRX_CSR15			0x045e
#define TXRX_CSR16			0x0460
#define TXRX_CSR17			0x0462

/*
 * TXRX_CSR18: Synchronization control register.
 */
#define TXRX_CSR18			0x0464
#define TXRX_CSR18_OFFSET		FIELD16(0x000f)
#define TXRX_CSR18_INTERVAL		FIELD16(0xfff0)

/*
 * TXRX_CSR19: 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.
 * BEACON_GEN: Enable beacon generator.
 */
#define TXRX_CSR19			0x0466
#define TXRX_CSR19_TSF_COUNT		FIELD16(0x0001)
#define TXRX_CSR19_TSF_SYNC		FIELD16(0x0006)
#define TXRX_CSR19_TBCN			FIELD16(0x0008)
#define TXRX_CSR19_BEACON_GEN		FIELD16(0x0010)

/*
 * TXRX_CSR20: Tx BEACON offset time control register.
 * OFFSET: In units of usec.
 * BCN_EXPECT_WINDOW: Default: 2^CWmin
 */
#define TXRX_CSR20			0x0468
#define TXRX_CSR20_OFFSET		FIELD16(0x1fff)
#define TXRX_CSR20_BCN_EXPECT_WINDOW	FIELD16(0xe000)

/*
 * TXRX_CSR21
 */
#define TXRX_CSR21			0x046a

/*
 * Encryption related CSRs.
 *
 */

/*
 * SEC_CSR0: Shared key 0, word 0
 * SEC_CSR1: Shared key 0, word 1
 * SEC_CSR2: Shared key 0, word 2
 * SEC_CSR3: Shared key 0, word 3
 * SEC_CSR4: Shared key 0, word 4
 * SEC_CSR5: Shared key 0, word 5
 * SEC_CSR6: Shared key 0, word 6
 * SEC_CSR7: Shared key 0, word 7
 */
#define SEC_CSR0			0x0480
#define SEC_CSR1			0x0482
#define SEC_CSR2			0x0484
#define SEC_CSR3			0x0486
#define SEC_CSR4			0x0488
#define SEC_CSR5			0x048a
#define SEC_CSR6			0x048c
#define SEC_CSR7			0x048e

/*
 * SEC_CSR8: Shared key 1, word 0
 * SEC_CSR9: Shared key 1, word 1
 * SEC_CSR10: Shared key 1, word 2
 * SEC_CSR11: Shared key 1, word 3
 * SEC_CSR12: Shared key 1, word 4
 * SEC_CSR13: Shared key 1, word 5
 * SEC_CSR14: Shared key 1, word 6
 * SEC_CSR15: Shared key 1, word 7
 */
#define SEC_CSR8			0x0490
#define SEC_CSR9			0x0492
#define SEC_CSR10			0x0494
#define SEC_CSR11			0x0496
#define SEC_CSR12			0x0498
#define SEC_CSR13			0x049a
#define SEC_CSR14			0x049c
#define SEC_CSR15			0x049e

/*
 * SEC_CSR16: Shared key 2, word 0
 * SEC_CSR17: Shared key 2, word 1
 * SEC_CSR18: Shared key 2, word 2
 * SEC_CSR19: Shared key 2, word 3
 * SEC_CSR20: Shared key 2, word 4
 * SEC_CSR21: Shared key 2, word 5
 * SEC_CSR22: Shared key 2, word 6
 * SEC_CSR23: Shared key 2, word 7
 */
#define SEC_CSR16			0x04a0
#define SEC_CSR17			0x04a2
#define SEC_CSR18			0X04A4
#define SEC_CSR19			0x04a6
#define SEC_CSR20			0x04a8
#define SEC_CSR21			0x04aa
#define SEC_CSR22			0x04ac
#define SEC_CSR23			0x04ae

/*
 * SEC_CSR24: Shared key 3, word 0
 * SEC_CSR25: Shared key 3, word 1
 * SEC_CSR26: Shared key 3, word 2
 * SEC_CSR27: Shared key 3, word 3
 * SEC_CSR28: Shared key 3, word 4
 * SEC_CSR29: Shared key 3, word 5
 * SEC_CSR30: Shared key 3, word 6
 * SEC_CSR31: Shared key 3, word 7
 */
#define SEC_CSR24			0x04b0
#define SEC_CSR25			0x04b2
#define SEC_CSR26			0x04b4
#define SEC_CSR27			0x04b6
#define SEC_CSR28			0x04b8
#define SEC_CSR29			0x04ba
#define SEC_CSR30			0x04bc
#define SEC_CSR31			0x04be

#define KEY_ENTRY(__idx) \
	( SEC_CSR0 + ((__idx) * 16) )

/*
 * PHY control registers.
 */

/*
 * PHY_CSR0: RF switching timing control.
 */
#define PHY_CSR0			0x04c0

/*
 * PHY_CSR1: TX PA configuration.
 */
#define PHY_CSR1			0x04c2

/*
 * MAC configuration registers.
 */

/*
 * PHY_CSR2: TX MAC configuration.
 * NOTE: Both register fields are complete dummy,
 * documentation and legacy drivers are unclear un
 * what this register means or what fields exists.
 */
#define PHY_CSR2			0x04c4
#define PHY_CSR2_LNA			FIELD16(0x0002)
#define PHY_CSR2_LNA_MODE		FIELD16(0x3000)

/*
 * PHY_CSR3: RX MAC configuration.
 */
#define PHY_CSR3			0x04c6

/*
 * PHY_CSR4: Interface configuration.
 */
#define PHY_CSR4			0x04c8
#define PHY_CSR4_LOW_RF_LE		FIELD16(0x0001)

/*
 * BBP pre-TX registers.
 * PHY_CSR5: BBP pre-TX CCK.
 */
#define PHY_CSR5			0x04ca
#define PHY_CSR5_CCK			FIELD16(0x0003)
#define PHY_CSR5_CCK_FLIP		FIELD16(0x0004)

/*
 * BBP pre-TX registers.
 * PHY_CSR6: BBP pre-TX OFDM.
 */
#define PHY_CSR6			0x04cc
#define PHY_CSR6_OFDM			FIELD16(0x0003)
#define PHY_CSR6_OFDM_FLIP		FIELD16(0x0004)

/*
 * PHY_CSR7: BBP access register 0.
 * BBP_DATA: BBP data.
 * BBP_REG_ID: BBP register ID.
 * BBP_READ_CONTROL: 0: write, 1: read.
 */
#define PHY_CSR7			0x04ce
#define PHY_CSR7_DATA			FIELD16(0x00ff)
#define PHY_CSR7_REG_ID			FIELD16(0x7f00)
#define PHY_CSR7_READ_CONTROL		FIELD16(0x8000)

/*
 * PHY_CSR8: BBP access register 1.
 * BBP_BUSY: ASIC is busy execute BBP programming.
 */
#define PHY_CSR8			0x04d0
#define PHY_CSR8_BUSY			FIELD16(0x0001)

/*
 * PHY_CSR9: RF access register.
 * RF_VALUE: Register value + id to program into rf/if.
 */
#define PHY_CSR9			0x04d2
#define PHY_CSR9_RF_VALUE		FIELD16(0xffff)

/*
 * PHY_CSR10: RF access register.
 * RF_VALUE: Register value + id to program into rf/if.
 * RF_NUMBER_OF_BITS: Number of bits used in value (i:20, rfmd:22).
 * RF_IF_SELECT: Chip to program: 0: rf, 1: if.
 * RF_PLL_LD: Rf pll_ld status.
 * RF_BUSY: 1: asic is busy execute rf programming.
 */
#define PHY_CSR10			0x04d4
#define PHY_CSR10_RF_VALUE		FIELD16(0x00ff)
#define PHY_CSR10_RF_NUMBER_OF_BITS	FIELD16(0x1f00)
#define PHY_CSR10_RF_IF_SELECT		FIELD16(0x2000)
#define PHY_CSR10_RF_PLL_LD		FIELD16(0x4000)
#define PHY_CSR10_RF_BUSY		FIELD16(0x8000)

/*
 * STA_CSR0: FCS error count.
 * FCS_ERROR: FCS error count, cleared when read.
 */
#define STA_CSR0			0x04e0
#define STA_CSR0_FCS_ERROR		FIELD16(0xffff)

/*
 * STA_CSR1: PLCP error count.
 */
#define STA_CSR1			0x04e2

/*
 * STA_CSR2: LONG error count.
 */
#define STA_CSR2			0x04e4

/*
 * STA_CSR3: CCA false alarm.
 * FALSE_CCA_ERROR: False CCA error count, cleared when read.
 */
#define STA_CSR3			0x04e6
#define STA_CSR3_FALSE_CCA_ERROR	FIELD16(0xffff)

/*
 * STA_CSR4: RX FIFO overflow.
 */
#define STA_CSR4			0x04e8

/*
 * STA_CSR5: Beacon sent counter.
 */
#define STA_CSR5			0x04ea

/*
 *  Statistics registers
 */
#define STA_CSR6			0x04ec
#define STA_CSR7			0x04ee
#define STA_CSR8			0x04f0
#define STA_CSR9			0x04f2
#define STA_CSR10			0x04f4

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

/*
 * R2: TX antenna control
 */
#define BBP_R2_TX_ANTENNA		FIELD8(0x03)
#define BBP_R2_TX_IQ_FLIP		FIELD8(0x04)

/*
 * R14: RX antenna control
 */
#define BBP_R14_RX_ANTENNA		FIELD8(0x03)
#define BBP_R14_RX_IQ_FLIP		FIELD8(0x04)

/*
 * RF registers.
 */

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

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

/*
 * EEPROM contents.
 */

/*
 * 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.
 * LED_MODE: 0: default, 1: TX/RX activity, 2: Single (ignore link), 3: rsvd.
 * DYN_TXAGC: Dynamic TX AGC control.
 * HARDWARE_RADIO: 1: Hardware controlled radio. Read GPIO0.
 * RF_TYPE: Rf_type of this adapter.
 */
#define EEPROM_ANTENNA			0x000b
#define EEPROM_ANTENNA_NUM		FIELD16(0x0003)
#define EEPROM_ANTENNA_TX_DEFAULT	FIELD16(0x000c)
#define EEPROM_ANTENNA_RX_DEFAULT	FIELD16(0x0030)
#define EEPROM_ANTENNA_LED_MODE		FIELD16(0x01c0)
#define EEPROM_ANTENNA_DYN_TXAGC	FIELD16(0x0200)
#define EEPROM_ANTENNA_HARDWARE_RADIO	FIELD16(0x0400)
#define EEPROM_ANTENNA_RF_TYPE		FIELD16(0xf800)

/*
 * EEPROM NIC config.
 * CARDBUS_ACCEL: 0: enable, 1: disable.
 * DYN_BBP_TUNE: 0: enable, 1: disable.
 * CCK_TX_POWER: CCK TX power compensation.
 */
#define EEPROM_NIC			0x000c
#define EEPROM_NIC_CARDBUS_ACCEL	FIELD16(0x0001)
#define EEPROM_NIC_DYN_BBP_TUNE		FIELD16(0x0002)
#define EEPROM_NIC_CCK_TX_POWER		FIELD16(0x000c)

/*
 * EEPROM geography.
 * GEO: Default geography setting for device.
 */
#define EEPROM_GEOGRAPHY		0x000d
#define EEPROM_GEOGRAPHY_GEO		FIELD16(0x0f00)

/*
 * EEPROM BBP.
 */
#define EEPROM_BBP_START		0x000e
#define EEPROM_BBP_SIZE			16
#define EEPROM_BBP_VALUE		FIELD16(0x00ff)
#define EEPROM_BBP_REG_ID		FIELD16(0xff00)

/*
 * EEPROM TXPOWER
 */
#define EEPROM_TXPOWER_START		0x001e
#define EEPROM_TXPOWER_SIZE		7
#define EEPROM_TXPOWER_1		FIELD16(0x00ff)
#define EEPROM_TXPOWER_2		FIELD16(0xff00)

/*
 * EEPROM Tuning threshold
 */
#define EEPROM_BBPTUNE			0x0030
#define EEPROM_BBPTUNE_THRESHOLD	FIELD16(0x00ff)

/*
 * EEPROM BBP R24 Tuning.
 */
#define EEPROM_BBPTUNE_R24		0x0031
#define EEPROM_BBPTUNE_R24_LOW		FIELD16(0x00ff)
#define EEPROM_BBPTUNE_R24_HIGH		FIELD16(0xff00)

/*
 * EEPROM BBP R25 Tuning.
 */
#define EEPROM_BBPTUNE_R25		0x0032
#define EEPROM_BBPTUNE_R25_LOW		FIELD16(0x00ff)
#define EEPROM_BBPTUNE_R25_HIGH		FIELD16(0xff00)

/*
 * EEPROM BBP R24 Tuning.
 */
#define EEPROM_BBPTUNE_R61		0x0033
#define EEPROM_BBPTUNE_R61_LOW		FIELD16(0x00ff)
#define EEPROM_BBPTUNE_R61_HIGH		FIELD16(0xff00)

/*
 * EEPROM BBP VGC Tuning.
 */
#define EEPROM_BBPTUNE_VGC		0x0034
#define EEPROM_BBPTUNE_VGCUPPER		FIELD16(0x00ff)
#define EEPROM_BBPTUNE_VGCLOWER		FIELD16(0xff00)

/*
 * EEPROM BBP R17 Tuning.
 */
#define EEPROM_BBPTUNE_R17		0x0035
#define EEPROM_BBPTUNE_R17_LOW		FIELD16(0x00ff)
#define EEPROM_BBPTUNE_R17_HIGH		FIELD16(0xff00)

/*
 * RSSI <-> dBm offset calibration
 */
#define EEPROM_CALIBRATE_OFFSET		0x0036
#define EEPROM_CALIBRATE_OFFSET_RSSI	FIELD16(0x00ff)

/*
 * DMA descriptor defines.
 */
#define TXD_DESC_SIZE			( 5 * sizeof(__le32) )
#define RXD_DESC_SIZE			( 4 * sizeof(__le32) )

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

/*
 * Word0
 */
#define TXD_W0_PACKET_ID		FIELD32(0x0000000f)
#define TXD_W0_RETRY_LIMIT		FIELD32(0x000000f0)
#define TXD_W0_MORE_FRAG		FIELD32(0x00000100)
#define TXD_W0_ACK			FIELD32(0x00000200)
#define TXD_W0_TIMESTAMP		FIELD32(0x00000400)
#define TXD_W0_OFDM			FIELD32(0x00000800)
#define TXD_W0_NEW_SEQ			FIELD32(0x00001000)
#define TXD_W0_IFS			FIELD32(0x00006000)
#define TXD_W0_DATABYTE_COUNT		FIELD32(0x0fff0000)
#define TXD_W0_CIPHER			FIELD32(0x20000000)
#define TXD_W0_KEY_ID			FIELD32(0xc0000000)

/*
 * Word1
 */
#define TXD_W1_IV_OFFSET		FIELD32(0x0000003f)
#define TXD_W1_AIFS			FIELD32(0x000000c0)
#define TXD_W1_CWMIN			FIELD32(0x00000f00)
#define TXD_W1_CWMAX			FIELD32(0x0000f000)

/*
 * Word2: PLCP information
 */
#define TXD_W2_PLCP_SIGNAL		FIELD32(0x000000ff)
#define TXD_W2_PLCP_SERVICE		FIELD32(0x0000ff00)
#define TXD_W2_PLCP_LENGTH_LOW		FIELD32(0x00ff0000)
#define TXD_W2_PLCP_LENGTH_HIGH		FIELD32(0xff000000)

/*
 * Word3
 */
#define TXD_W3_IV			FIELD32(0xffffffff)

/*
 * Word4
 */
#define TXD_W4_EIV			FIELD32(0xffffffff)

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

/*
 * Word0
 */
#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_OFDM			FIELD32(0x00000040)
#define RXD_W0_PHYSICAL_ERROR		FIELD32(0x00000080)
#define RXD_W0_CIPHER			FIELD32(0x00000100)
#define RXD_W0_CIPHER_ERROR		FIELD32(0x00000200)
#define RXD_W0_DATABYTE_COUNT		FIELD32(0x0fff0000)

/*
 * Word1
 */
#define RXD_W1_RSSI			FIELD32(0x000000ff)
#define RXD_W1_SIGNAL			FIELD32(0x0000ff00)

/*
 * Word2
 */
#define RXD_W2_IV			FIELD32(0xffffffff)

/*
 * Word3
 */
#define RXD_W3_EIV			FIELD32(0xffffffff)

/*
 * Macros for converting txpower from EEPROM to mac80211 value
 * and from mac80211 value to register value.
 */
#define MIN_TXPOWER	0
#define MAX_TXPOWER	31
#define DEFAULT_TXPOWER	24

#define TXPOWER_FROM_DEV(__txpower) \
	(((u8)(__txpower)) > MAX_TXPOWER) ? DEFAULT_TXPOWER : (__txpower)

#define TXPOWER_TO_DEV(__txpower) \
	clamp_t(char, __txpower, MIN_TXPOWER, MAX_TXPOWER)

#endif /* RT2500USB_H */
OpenPOWER on IntegriCloud