1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
4	<http://rt2x00.serialmonkey.com>
5
6 */
7
8/*
9	Module: rt2400pci
10	Abstract: Data structures and registers for the rt2400pci module.
11	Supported chipsets: RT2460.
12 */
13
14#ifndef RT2400PCI_H
15#define RT2400PCI_H
16
17/*
18 * RF chip defines.
19 */
20#define RF2420				0x0000
21#define RF2421				0x0001
22
23/*
24 * Signal information.
25 * Default offset is required for RSSI <-> dBm conversion.
26 */
27#define DEFAULT_RSSI_OFFSET		100
28
29/*
30 * Register layout information.
31 */
32#define CSR_REG_BASE			0x0000
33#define CSR_REG_SIZE			0x014c
34#define EEPROM_BASE			0x0000
35#define EEPROM_SIZE			0x0100
36#define BBP_BASE			0x0000
37#define BBP_SIZE			0x0020
38#define RF_BASE				0x0004
39#define RF_SIZE				0x000c
40
41/*
42 * Number of TX queues.
43 */
44#define NUM_TX_QUEUES			2
45
46/*
47 * Control/Status Registers(CSR).
48 * Some values are set in TU, whereas 1 TU == 1024 us.
49 */
50
51/*
52 * CSR0: ASIC revision number.
53 */
54#define CSR0				0x0000
55#define CSR0_REVISION			FIELD32(0x0000ffff)
56
57/*
58 * CSR1: System control register.
59 * SOFT_RESET: Software reset, 1: reset, 0: normal.
60 * BBP_RESET: Hardware reset, 1: reset, 0, release.
61 * HOST_READY: Host ready after initialization.
62 */
63#define CSR1				0x0004
64#define CSR1_SOFT_RESET			FIELD32(0x00000001)
65#define CSR1_BBP_RESET			FIELD32(0x00000002)
66#define CSR1_HOST_READY			FIELD32(0x00000004)
67
68/*
69 * CSR2: System admin status register (invalid).
70 */
71#define CSR2				0x0008
72
73/*
74 * CSR3: STA MAC address register 0.
75 */
76#define CSR3				0x000c
77#define CSR3_BYTE0			FIELD32(0x000000ff)
78#define CSR3_BYTE1			FIELD32(0x0000ff00)
79#define CSR3_BYTE2			FIELD32(0x00ff0000)
80#define CSR3_BYTE3			FIELD32(0xff000000)
81
82/*
83 * CSR4: STA MAC address register 1.
84 */
85#define CSR4				0x0010
86#define CSR4_BYTE4			FIELD32(0x000000ff)
87#define CSR4_BYTE5			FIELD32(0x0000ff00)
88
89/*
90 * CSR5: BSSID register 0.
91 */
92#define CSR5				0x0014
93#define CSR5_BYTE0			FIELD32(0x000000ff)
94#define CSR5_BYTE1			FIELD32(0x0000ff00)
95#define CSR5_BYTE2			FIELD32(0x00ff0000)
96#define CSR5_BYTE3			FIELD32(0xff000000)
97
98/*
99 * CSR6: BSSID register 1.
100 */
101#define CSR6				0x0018
102#define CSR6_BYTE4			FIELD32(0x000000ff)
103#define CSR6_BYTE5			FIELD32(0x0000ff00)
104
105/*
106 * CSR7: Interrupt source register.
107 * Write 1 to clear interrupt.
108 * TBCN_EXPIRE: Beacon timer expired interrupt.
109 * TWAKE_EXPIRE: Wakeup timer expired interrupt.
110 * TATIMW_EXPIRE: Timer of atim window expired interrupt.
111 * TXDONE_TXRING: Tx ring transmit done interrupt.
112 * TXDONE_ATIMRING: Atim ring transmit done interrupt.
113 * TXDONE_PRIORING: Priority ring transmit done interrupt.
114 * RXDONE: Receive done interrupt.
115 */
116#define CSR7				0x001c
117#define CSR7_TBCN_EXPIRE		FIELD32(0x00000001)
118#define CSR7_TWAKE_EXPIRE		FIELD32(0x00000002)
119#define CSR7_TATIMW_EXPIRE		FIELD32(0x00000004)
120#define CSR7_TXDONE_TXRING		FIELD32(0x00000008)
121#define CSR7_TXDONE_ATIMRING		FIELD32(0x00000010)
122#define CSR7_TXDONE_PRIORING		FIELD32(0x00000020)
123#define CSR7_RXDONE			FIELD32(0x00000040)
124
125/*
126 * CSR8: Interrupt mask register.
127 * Write 1 to mask interrupt.
128 * TBCN_EXPIRE: Beacon timer expired interrupt.
129 * TWAKE_EXPIRE: Wakeup timer expired interrupt.
130 * TATIMW_EXPIRE: Timer of atim window expired interrupt.
131 * TXDONE_TXRING: Tx ring transmit done interrupt.
132 * TXDONE_ATIMRING: Atim ring transmit done interrupt.
133 * TXDONE_PRIORING: Priority ring transmit done interrupt.
134 * RXDONE: Receive done interrupt.
135 */
136#define CSR8				0x0020
137#define CSR8_TBCN_EXPIRE		FIELD32(0x00000001)
138#define CSR8_TWAKE_EXPIRE		FIELD32(0x00000002)
139#define CSR8_TATIMW_EXPIRE		FIELD32(0x00000004)
140#define CSR8_TXDONE_TXRING		FIELD32(0x00000008)
141#define CSR8_TXDONE_ATIMRING		FIELD32(0x00000010)
142#define CSR8_TXDONE_PRIORING		FIELD32(0x00000020)
143#define CSR8_RXDONE			FIELD32(0x00000040)
144
145/*
146 * CSR9: Maximum frame length register.
147 * MAX_FRAME_UNIT: Maximum frame length in 128b unit, default: 12.
148 */
149#define CSR9				0x0024
150#define CSR9_MAX_FRAME_UNIT		FIELD32(0x00000f80)
151
152/*
153 * CSR11: Back-off control register.
154 * CWMIN: CWmin. Default cwmin is 31 (2^5 - 1).
155 * CWMAX: CWmax. Default cwmax is 1023 (2^10 - 1).
156 * SLOT_TIME: Slot time, default is 20us for 802.11b.
157 * LONG_RETRY: Long retry count.
158 * SHORT_RETRY: Short retry count.
159 */
160#define CSR11				0x002c
161#define CSR11_CWMIN			FIELD32(0x0000000f)
162#define CSR11_CWMAX			FIELD32(0x000000f0)
163#define CSR11_SLOT_TIME			FIELD32(0x00001f00)
164#define CSR11_LONG_RETRY		FIELD32(0x00ff0000)
165#define CSR11_SHORT_RETRY		FIELD32(0xff000000)
166
167/*
168 * CSR12: Synchronization configuration register 0.
169 * All units in 1/16 TU.
170 * BEACON_INTERVAL: Beacon interval, default is 100 TU.
171 * CFPMAX_DURATION: Cfp maximum duration, default is 100 TU.
172 */
173#define CSR12				0x0030
174#define CSR12_BEACON_INTERVAL		FIELD32(0x0000ffff)
175#define CSR12_CFP_MAX_DURATION		FIELD32(0xffff0000)
176
177/*
178 * CSR13: Synchronization configuration register 1.
179 * All units in 1/16 TU.
180 * ATIMW_DURATION: Atim window duration.
181 * CFP_PERIOD: Cfp period, default is 0 TU.
182 */
183#define CSR13				0x0034
184#define CSR13_ATIMW_DURATION		FIELD32(0x0000ffff)
185#define CSR13_CFP_PERIOD		FIELD32(0x00ff0000)
186
187/*
188 * CSR14: Synchronization control register.
189 * TSF_COUNT: Enable tsf auto counting.
190 * TSF_SYNC: Tsf sync, 0: disable, 1: infra, 2: ad-hoc/master mode.
191 * TBCN: Enable tbcn with reload value.
192 * TCFP: Enable tcfp & cfp / cp switching.
193 * TATIMW: Enable tatimw & atim window switching.
194 * BEACON_GEN: Enable beacon generator.
195 * CFP_COUNT_PRELOAD: Cfp count preload value.
196 * TBCM_PRELOAD: Tbcn preload value in units of 64us.
197 */
198#define CSR14				0x0038
199#define CSR14_TSF_COUNT			FIELD32(0x00000001)
200#define CSR14_TSF_SYNC			FIELD32(0x00000006)
201#define CSR14_TBCN			FIELD32(0x00000008)
202#define CSR14_TCFP			FIELD32(0x00000010)
203#define CSR14_TATIMW			FIELD32(0x00000020)
204#define CSR14_BEACON_GEN		FIELD32(0x00000040)
205#define CSR14_CFP_COUNT_PRELOAD		FIELD32(0x0000ff00)
206#define CSR14_TBCM_PRELOAD		FIELD32(0xffff0000)
207
208/*
209 * CSR15: Synchronization status register.
210 * CFP: ASIC is in contention-free period.
211 * ATIMW: ASIC is in ATIM window.
212 * BEACON_SENT: Beacon is send.
213 */
214#define CSR15				0x003c
215#define CSR15_CFP			FIELD32(0x00000001)
216#define CSR15_ATIMW			FIELD32(0x00000002)
217#define CSR15_BEACON_SENT		FIELD32(0x00000004)
218
219/*
220 * CSR16: TSF timer register 0.
221 */
222#define CSR16				0x0040
223#define CSR16_LOW_TSFTIMER		FIELD32(0xffffffff)
224
225/*
226 * CSR17: TSF timer register 1.
227 */
228#define CSR17				0x0044
229#define CSR17_HIGH_TSFTIMER		FIELD32(0xffffffff)
230
231/*
232 * CSR18: IFS timer register 0.
233 * SIFS: Sifs, default is 10 us.
234 * PIFS: Pifs, default is 30 us.
235 */
236#define CSR18				0x0048
237#define CSR18_SIFS			FIELD32(0x0000ffff)
238#define CSR18_PIFS			FIELD32(0xffff0000)
239
240/*
241 * CSR19: IFS timer register 1.
242 * DIFS: Difs, default is 50 us.
243 * EIFS: Eifs, default is 364 us.
244 */
245#define CSR19				0x004c
246#define CSR19_DIFS			FIELD32(0x0000ffff)
247#define CSR19_EIFS			FIELD32(0xffff0000)
248
249/*
250 * CSR20: Wakeup timer register.
251 * DELAY_AFTER_TBCN: Delay after tbcn expired in units of 1/16 TU.
252 * TBCN_BEFORE_WAKEUP: Number of beacon before wakeup.
253 * AUTOWAKE: Enable auto wakeup / sleep mechanism.
254 */
255#define CSR20				0x0050
256#define CSR20_DELAY_AFTER_TBCN		FIELD32(0x0000ffff)
257#define CSR20_TBCN_BEFORE_WAKEUP	FIELD32(0x00ff0000)
258#define CSR20_AUTOWAKE			FIELD32(0x01000000)
259
260/*
261 * CSR21: EEPROM control register.
262 * RELOAD: Write 1 to reload eeprom content.
263 * TYPE_93C46: 1: 93c46, 0:93c66.
264 */
265#define CSR21				0x0054
266#define CSR21_RELOAD			FIELD32(0x00000001)
267#define CSR21_EEPROM_DATA_CLOCK		FIELD32(0x00000002)
268#define CSR21_EEPROM_CHIP_SELECT	FIELD32(0x00000004)
269#define CSR21_EEPROM_DATA_IN		FIELD32(0x00000008)
270#define CSR21_EEPROM_DATA_OUT		FIELD32(0x00000010)
271#define CSR21_TYPE_93C46		FIELD32(0x00000020)
272
273/*
274 * CSR22: CFP control register.
275 * CFP_DURATION_REMAIN: Cfp duration remain, in units of TU.
276 * RELOAD_CFP_DURATION: Write 1 to reload cfp duration remain.
277 */
278#define CSR22				0x0058
279#define CSR22_CFP_DURATION_REMAIN	FIELD32(0x0000ffff)
280#define CSR22_RELOAD_CFP_DURATION	FIELD32(0x00010000)
281
282/*
283 * Transmit related CSRs.
284 * Some values are set in TU, whereas 1 TU == 1024 us.
285 */
286
287/*
288 * TXCSR0: TX Control Register.
289 * KICK_TX: Kick tx ring.
290 * KICK_ATIM: Kick atim ring.
291 * KICK_PRIO: Kick priority ring.
292 * ABORT: Abort all transmit related ring operation.
293 */
294#define TXCSR0				0x0060
295#define TXCSR0_KICK_TX			FIELD32(0x00000001)
296#define TXCSR0_KICK_ATIM		FIELD32(0x00000002)
297#define TXCSR0_KICK_PRIO		FIELD32(0x00000004)
298#define TXCSR0_ABORT			FIELD32(0x00000008)
299
300/*
301 * TXCSR1: TX Configuration Register.
302 * ACK_TIMEOUT: Ack timeout, default = sifs + 2*slottime + acktime @ 1mbps.
303 * ACK_CONSUME_TIME: Ack consume time, default = sifs + acktime @ 1mbps.
304 * TSF_OFFSET: Insert tsf offset.
305 * AUTORESPONDER: Enable auto responder which include ack & cts.
306 */
307#define TXCSR1				0x0064
308#define TXCSR1_ACK_TIMEOUT		FIELD32(0x000001ff)
309#define TXCSR1_ACK_CONSUME_TIME		FIELD32(0x0003fe00)
310#define TXCSR1_TSF_OFFSET		FIELD32(0x00fc0000)
311#define TXCSR1_AUTORESPONDER		FIELD32(0x01000000)
312
313/*
314 * TXCSR2: Tx descriptor configuration register.
315 * TXD_SIZE: Tx descriptor size, default is 48.
316 * NUM_TXD: Number of tx entries in ring.
317 * NUM_ATIM: Number of atim entries in ring.
318 * NUM_PRIO: Number of priority entries in ring.
319 */
320#define TXCSR2				0x0068
321#define TXCSR2_TXD_SIZE			FIELD32(0x000000ff)
322#define TXCSR2_NUM_TXD			FIELD32(0x0000ff00)
323#define TXCSR2_NUM_ATIM			FIELD32(0x00ff0000)
324#define TXCSR2_NUM_PRIO			FIELD32(0xff000000)
325
326/*
327 * TXCSR3: TX Ring Base address register.
328 */
329#define TXCSR3				0x006c
330#define TXCSR3_TX_RING_REGISTER		FIELD32(0xffffffff)
331
332/*
333 * TXCSR4: TX Atim Ring Base address register.
334 */
335#define TXCSR4				0x0070
336#define TXCSR4_ATIM_RING_REGISTER	FIELD32(0xffffffff)
337
338/*
339 * TXCSR5: TX Prio Ring Base address register.
340 */
341#define TXCSR5				0x0074
342#define TXCSR5_PRIO_RING_REGISTER	FIELD32(0xffffffff)
343
344/*
345 * TXCSR6: Beacon Base address register.
346 */
347#define TXCSR6				0x0078
348#define TXCSR6_BEACON_RING_REGISTER	FIELD32(0xffffffff)
349
350/*
351 * TXCSR7: Auto responder control register.
352 * AR_POWERMANAGEMENT: Auto responder power management bit.
353 */
354#define TXCSR7				0x007c
355#define TXCSR7_AR_POWERMANAGEMENT	FIELD32(0x00000001)
356
357/*
358 * Receive related CSRs.
359 * Some values are set in TU, whereas 1 TU == 1024 us.
360 */
361
362/*
363 * RXCSR0: RX Control Register.
364 * DISABLE_RX: Disable rx engine.
365 * DROP_CRC: Drop crc error.
366 * DROP_PHYSICAL: Drop physical error.
367 * DROP_CONTROL: Drop control frame.
368 * DROP_NOT_TO_ME: Drop not to me unicast frame.
369 * DROP_TODS: Drop frame tods bit is true.
370 * DROP_VERSION_ERROR: Drop version error frame.
371 * PASS_CRC: Pass all packets with crc attached.
372 */
373#define RXCSR0				0x0080
374#define RXCSR0_DISABLE_RX		FIELD32(0x00000001)
375#define RXCSR0_DROP_CRC			FIELD32(0x00000002)
376#define RXCSR0_DROP_PHYSICAL		FIELD32(0x00000004)
377#define RXCSR0_DROP_CONTROL		FIELD32(0x00000008)
378#define RXCSR0_DROP_NOT_TO_ME		FIELD32(0x00000010)
379#define RXCSR0_DROP_TODS		FIELD32(0x00000020)
380#define RXCSR0_DROP_VERSION_ERROR	FIELD32(0x00000040)
381#define RXCSR0_PASS_CRC			FIELD32(0x00000080)
382
383/*
384 * RXCSR1: RX descriptor configuration register.
385 * RXD_SIZE: Rx descriptor size, default is 32b.
386 * NUM_RXD: Number of rx entries in ring.
387 */
388#define RXCSR1				0x0084
389#define RXCSR1_RXD_SIZE			FIELD32(0x000000ff)
390#define RXCSR1_NUM_RXD			FIELD32(0x0000ff00)
391
392/*
393 * RXCSR2: RX Ring base address register.
394 */
395#define RXCSR2				0x0088
396#define RXCSR2_RX_RING_REGISTER		FIELD32(0xffffffff)
397
398/*
399 * RXCSR3: BBP ID register for Rx operation.
400 * BBP_ID#: BBP register # id.
401 * BBP_ID#_VALID: BBP register # id is valid or not.
402 */
403#define RXCSR3				0x0090
404#define RXCSR3_BBP_ID0			FIELD32(0x0000007f)
405#define RXCSR3_BBP_ID0_VALID		FIELD32(0x00000080)
406#define RXCSR3_BBP_ID1			FIELD32(0x00007f00)
407#define RXCSR3_BBP_ID1_VALID		FIELD32(0x00008000)
408#define RXCSR3_BBP_ID2			FIELD32(0x007f0000)
409#define RXCSR3_BBP_ID2_VALID		FIELD32(0x00800000)
410#define RXCSR3_BBP_ID3			FIELD32(0x7f000000)
411#define RXCSR3_BBP_ID3_VALID		FIELD32(0x80000000)
412
413/*
414 * RXCSR4: BBP ID register for Rx operation.
415 * BBP_ID#: BBP register # id.
416 * BBP_ID#_VALID: BBP register # id is valid or not.
417 */
418#define RXCSR4				0x0094
419#define RXCSR4_BBP_ID4			FIELD32(0x0000007f)
420#define RXCSR4_BBP_ID4_VALID		FIELD32(0x00000080)
421#define RXCSR4_BBP_ID5			FIELD32(0x00007f00)
422#define RXCSR4_BBP_ID5_VALID		FIELD32(0x00008000)
423
424/*
425 * ARCSR0: Auto Responder PLCP config register 0.
426 * ARCSR0_AR_BBP_DATA#: Auto responder BBP register # data.
427 * ARCSR0_AR_BBP_ID#: Auto responder BBP register # Id.
428 */
429#define ARCSR0				0x0098
430#define ARCSR0_AR_BBP_DATA0		FIELD32(0x000000ff)
431#define ARCSR0_AR_BBP_ID0		FIELD32(0x0000ff00)
432#define ARCSR0_AR_BBP_DATA1		FIELD32(0x00ff0000)
433#define ARCSR0_AR_BBP_ID1		FIELD32(0xff000000)
434
435/*
436 * ARCSR1: Auto Responder PLCP config register 1.
437 * ARCSR0_AR_BBP_DATA#: Auto responder BBP register # data.
438 * ARCSR0_AR_BBP_ID#: Auto responder BBP register # Id.
439 */
440#define ARCSR1				0x009c
441#define ARCSR1_AR_BBP_DATA2		FIELD32(0x000000ff)
442#define ARCSR1_AR_BBP_ID2		FIELD32(0x0000ff00)
443#define ARCSR1_AR_BBP_DATA3		FIELD32(0x00ff0000)
444#define ARCSR1_AR_BBP_ID3		FIELD32(0xff000000)
445
446/*
447 * Miscellaneous Registers.
448 * Some values are set in TU, whereas 1 TU == 1024 us.
449 */
450
451/*
452 * PCICSR: PCI control register.
453 * BIG_ENDIAN: 1: big endian, 0: little endian.
454 * RX_TRESHOLD: Rx threshold in dw to start pci access
455 * 0: 16dw (default), 1: 8dw, 2: 4dw, 3: 32dw.
456 * TX_TRESHOLD: Tx threshold in dw to start pci access
457 * 0: 0dw (default), 1: 1dw, 2: 4dw, 3: forward.
458 * BURST_LENTH: Pci burst length 0: 4dw (default, 1: 8dw, 2: 16dw, 3:32dw.
459 * ENABLE_CLK: Enable clk_run, pci clock can't going down to non-operational.
460 */
461#define PCICSR				0x008c
462#define PCICSR_BIG_ENDIAN		FIELD32(0x00000001)
463#define PCICSR_RX_TRESHOLD		FIELD32(0x00000006)
464#define PCICSR_TX_TRESHOLD		FIELD32(0x00000018)
465#define PCICSR_BURST_LENTH		FIELD32(0x00000060)
466#define PCICSR_ENABLE_CLK		FIELD32(0x00000080)
467
468/*
469 * CNT0: FCS error count.
470 * FCS_ERROR: FCS error count, cleared when read.
471 */
472#define CNT0				0x00a0
473#define CNT0_FCS_ERROR			FIELD32(0x0000ffff)
474
475/*
476 * Statistic Register.
477 * CNT1: PLCP error count.
478 * CNT2: Long error count.
479 * CNT3: CCA false alarm count.
480 * CNT4: Rx FIFO overflow count.
481 * CNT5: Tx FIFO underrun count.
482 */
483#define TIMECSR2			0x00a8
484#define CNT1				0x00ac
485#define CNT2				0x00b0
486#define TIMECSR3			0x00b4
487#define CNT3				0x00b8
488#define CNT4				0x00bc
489#define CNT5				0x00c0
490
491/*
492 * Baseband Control Register.
493 */
494
495/*
496 * PWRCSR0: Power mode configuration register.
497 */
498#define PWRCSR0				0x00c4
499
500/*
501 * Power state transition time registers.
502 */
503#define PSCSR0				0x00c8
504#define PSCSR1				0x00cc
505#define PSCSR2				0x00d0
506#define PSCSR3				0x00d4
507
508/*
509 * PWRCSR1: Manual power control / status register.
510 * Allowed state: 0 deep_sleep, 1: sleep, 2: standby, 3: awake.
511 * SET_STATE: Set state. Write 1 to trigger, self cleared.
512 * BBP_DESIRE_STATE: BBP desired state.
513 * RF_DESIRE_STATE: RF desired state.
514 * BBP_CURR_STATE: BBP current state.
515 * RF_CURR_STATE: RF current state.
516 * PUT_TO_SLEEP: Put to sleep. Write 1 to trigger, self cleared.
517 */
518#define PWRCSR1				0x00d8
519#define PWRCSR1_SET_STATE		FIELD32(0x00000001)
520#define PWRCSR1_BBP_DESIRE_STATE	FIELD32(0x00000006)
521#define PWRCSR1_RF_DESIRE_STATE		FIELD32(0x00000018)
522#define PWRCSR1_BBP_CURR_STATE		FIELD32(0x00000060)
523#define PWRCSR1_RF_CURR_STATE		FIELD32(0x00000180)
524#define PWRCSR1_PUT_TO_SLEEP		FIELD32(0x00000200)
525
526/*
527 * TIMECSR: Timer control register.
528 * US_COUNT: 1 us timer count in units of clock cycles.
529 * US_64_COUNT: 64 us timer count in units of 1 us timer.
530 * BEACON_EXPECT: Beacon expect window.
531 */
532#define TIMECSR				0x00dc
533#define TIMECSR_US_COUNT		FIELD32(0x000000ff)
534#define TIMECSR_US_64_COUNT		FIELD32(0x0000ff00)
535#define TIMECSR_BEACON_EXPECT		FIELD32(0x00070000)
536
537/*
538 * MACCSR0: MAC configuration register 0.
539 */
540#define MACCSR0				0x00e0
541
542/*
543 * MACCSR1: MAC configuration register 1.
544 * KICK_RX: Kick one-shot rx in one-shot rx mode.
545 * ONESHOT_RXMODE: Enable one-shot rx mode for debugging.
546 * BBPRX_RESET_MODE: Ralink bbp rx reset mode.
547 * AUTO_TXBBP: Auto tx logic access bbp control register.
548 * AUTO_RXBBP: Auto rx logic access bbp control register.
549 * LOOPBACK: Loopback mode. 0: normal, 1: internal, 2: external, 3:rsvd.
550 * INTERSIL_IF: Intersil if calibration pin.
551 */
552#define MACCSR1				0x00e4
553#define MACCSR1_KICK_RX			FIELD32(0x00000001)
554#define MACCSR1_ONESHOT_RXMODE		FIELD32(0x00000002)
555#define MACCSR1_BBPRX_RESET_MODE	FIELD32(0x00000004)
556#define MACCSR1_AUTO_TXBBP		FIELD32(0x00000008)
557#define MACCSR1_AUTO_RXBBP		FIELD32(0x00000010)
558#define MACCSR1_LOOPBACK		FIELD32(0x00000060)
559#define MACCSR1_INTERSIL_IF		FIELD32(0x00000080)
560
561/*
562 * RALINKCSR: Ralink Rx auto-reset BBCR.
563 * AR_BBP_DATA#: Auto reset BBP register # data.
564 * AR_BBP_ID#: Auto reset BBP register # id.
565 */
566#define RALINKCSR			0x00e8
567#define RALINKCSR_AR_BBP_DATA0		FIELD32(0x000000ff)
568#define RALINKCSR_AR_BBP_ID0		FIELD32(0x0000ff00)
569#define RALINKCSR_AR_BBP_DATA1		FIELD32(0x00ff0000)
570#define RALINKCSR_AR_BBP_ID1		FIELD32(0xff000000)
571
572/*
573 * BCNCSR: Beacon interval control register.
574 * CHANGE: Write one to change beacon interval.
575 * DELTATIME: The delta time value.
576 * NUM_BEACON: Number of beacon according to mode.
577 * MODE: Please refer to asic specs.
578 * PLUS: Plus or minus delta time value.
579 */
580#define BCNCSR				0x00ec
581#define BCNCSR_CHANGE			FIELD32(0x00000001)
582#define BCNCSR_DELTATIME		FIELD32(0x0000001e)
583#define BCNCSR_NUM_BEACON		FIELD32(0x00001fe0)
584#define BCNCSR_MODE			FIELD32(0x00006000)
585#define BCNCSR_PLUS			FIELD32(0x00008000)
586
587/*
588 * BBP / RF / IF Control Register.
589 */
590
591/*
592 * BBPCSR: BBP serial control register.
593 * VALUE: Register value to program into BBP.
594 * REGNUM: Selected BBP register.
595 * BUSY: 1: asic is busy execute BBP programming.
596 * WRITE_CONTROL: 1: write BBP, 0: read BBP.
597 */
598#define BBPCSR				0x00f0
599#define BBPCSR_VALUE			FIELD32(0x000000ff)
600#define BBPCSR_REGNUM			FIELD32(0x00007f00)
601#define BBPCSR_BUSY			FIELD32(0x00008000)
602#define BBPCSR_WRITE_CONTROL		FIELD32(0x00010000)
603
604/*
605 * RFCSR: RF serial control register.
606 * VALUE: Register value + id to program into rf/if.
607 * NUMBER_OF_BITS: Number of bits used in value (i:20, rfmd:22).
608 * IF_SELECT: Chip to program: 0: rf, 1: if.
609 * PLL_LD: Rf pll_ld status.
610 * BUSY: 1: asic is busy execute rf programming.
611 */
612#define RFCSR				0x00f4
613#define RFCSR_VALUE			FIELD32(0x00ffffff)
614#define RFCSR_NUMBER_OF_BITS		FIELD32(0x1f000000)
615#define RFCSR_IF_SELECT			FIELD32(0x20000000)
616#define RFCSR_PLL_LD			FIELD32(0x40000000)
617#define RFCSR_BUSY			FIELD32(0x80000000)
618
619/*
620 * LEDCSR: LED control register.
621 * ON_PERIOD: On period, default 70ms.
622 * OFF_PERIOD: Off period, default 30ms.
623 * LINK: 0: linkoff, 1: linkup.
624 * ACTIVITY: 0: idle, 1: active.
625 */
626#define LEDCSR				0x00f8
627#define LEDCSR_ON_PERIOD		FIELD32(0x000000ff)
628#define LEDCSR_OFF_PERIOD		FIELD32(0x0000ff00)
629#define LEDCSR_LINK			FIELD32(0x00010000)
630#define LEDCSR_ACTIVITY			FIELD32(0x00020000)
631
632/*
633 * ASIC pointer information.
634 * RXPTR: Current RX ring address.
635 * TXPTR: Current Tx ring address.
636 * PRIPTR: Current Priority ring address.
637 * ATIMPTR: Current ATIM ring address.
638 */
639#define RXPTR				0x0100
640#define TXPTR				0x0104
641#define PRIPTR				0x0108
642#define ATIMPTR				0x010c
643
644/*
645 * GPIO and others.
646 */
647
648/*
649 * GPIOCSR: GPIO control register.
650 *	GPIOCSR_VALx: Actual GPIO pin x value
651 *	GPIOCSR_DIRx: GPIO direction: 0 = output; 1 = input
652 */
653#define GPIOCSR				0x0120
654#define GPIOCSR_VAL0			FIELD32(0x00000001)
655#define GPIOCSR_VAL1			FIELD32(0x00000002)
656#define GPIOCSR_VAL2			FIELD32(0x00000004)
657#define GPIOCSR_VAL3			FIELD32(0x00000008)
658#define GPIOCSR_VAL4			FIELD32(0x00000010)
659#define GPIOCSR_VAL5			FIELD32(0x00000020)
660#define GPIOCSR_VAL6			FIELD32(0x00000040)
661#define GPIOCSR_VAL7			FIELD32(0x00000080)
662#define GPIOCSR_DIR0			FIELD32(0x00000100)
663#define GPIOCSR_DIR1			FIELD32(0x00000200)
664#define GPIOCSR_DIR2			FIELD32(0x00000400)
665#define GPIOCSR_DIR3			FIELD32(0x00000800)
666#define GPIOCSR_DIR4			FIELD32(0x00001000)
667#define GPIOCSR_DIR5			FIELD32(0x00002000)
668#define GPIOCSR_DIR6			FIELD32(0x00004000)
669#define GPIOCSR_DIR7			FIELD32(0x00008000)
670
671/*
672 * BBPPCSR: BBP Pin control register.
673 */
674#define BBPPCSR				0x0124
675
676/*
677 * BCNCSR1: Tx BEACON offset time control register.
678 * PRELOAD: Beacon timer offset in units of usec.
679 */
680#define BCNCSR1				0x0130
681#define BCNCSR1_PRELOAD			FIELD32(0x0000ffff)
682
683/*
684 * MACCSR2: TX_PE to RX_PE turn-around time control register
685 * DELAY: RX_PE low width, in units of pci clock cycle.
686 */
687#define MACCSR2				0x0134
688#define MACCSR2_DELAY			FIELD32(0x000000ff)
689
690/*
691 * ARCSR2: 1 Mbps ACK/CTS PLCP.
692 */
693#define ARCSR2				0x013c
694#define ARCSR2_SIGNAL			FIELD32(0x000000ff)
695#define ARCSR2_SERVICE			FIELD32(0x0000ff00)
696#define ARCSR2_LENGTH_LOW		FIELD32(0x00ff0000)
697#define ARCSR2_LENGTH			FIELD32(0xffff0000)
698
699/*
700 * ARCSR3: 2 Mbps ACK/CTS PLCP.
701 */
702#define ARCSR3				0x0140
703#define ARCSR3_SIGNAL			FIELD32(0x000000ff)
704#define ARCSR3_SERVICE			FIELD32(0x0000ff00)
705#define ARCSR3_LENGTH			FIELD32(0xffff0000)
706
707/*
708 * ARCSR4: 5.5 Mbps ACK/CTS PLCP.
709 */
710#define ARCSR4				0x0144
711#define ARCSR4_SIGNAL			FIELD32(0x000000ff)
712#define ARCSR4_SERVICE			FIELD32(0x0000ff00)
713#define ARCSR4_LENGTH			FIELD32(0xffff0000)
714
715/*
716 * ARCSR5: 11 Mbps ACK/CTS PLCP.
717 */
718#define ARCSR5				0x0148
719#define ARCSR5_SIGNAL			FIELD32(0x000000ff)
720#define ARCSR5_SERVICE			FIELD32(0x0000ff00)
721#define ARCSR5_LENGTH			FIELD32(0xffff0000)
722
723/*
724 * BBP registers.
725 * The wordsize of the BBP is 8 bits.
726 */
727
728/*
729 * R1: TX antenna control
730 */
731#define BBP_R1_TX_ANTENNA		FIELD8(0x03)
732
733/*
734 * R4: RX antenna control
735 */
736#define BBP_R4_RX_ANTENNA		FIELD8(0x06)
737
738/*
739 * RF registers
740 */
741
742/*
743 * RF 1
744 */
745#define RF1_TUNER			FIELD32(0x00020000)
746
747/*
748 * RF 3
749 */
750#define RF3_TUNER			FIELD32(0x00000100)
751#define RF3_TXPOWER			FIELD32(0x00003e00)
752
753/*
754 * EEPROM content.
755 * The wordsize of the EEPROM is 16 bits.
756 */
757
758/*
759 * HW MAC address.
760 */
761#define EEPROM_MAC_ADDR_0		0x0002
762#define EEPROM_MAC_ADDR_BYTE0		FIELD16(0x00ff)
763#define EEPROM_MAC_ADDR_BYTE1		FIELD16(0xff00)
764#define EEPROM_MAC_ADDR1		0x0003
765#define EEPROM_MAC_ADDR_BYTE2		FIELD16(0x00ff)
766#define EEPROM_MAC_ADDR_BYTE3		FIELD16(0xff00)
767#define EEPROM_MAC_ADDR_2		0x0004
768#define EEPROM_MAC_ADDR_BYTE4		FIELD16(0x00ff)
769#define EEPROM_MAC_ADDR_BYTE5		FIELD16(0xff00)
770
771/*
772 * EEPROM antenna.
773 * ANTENNA_NUM: Number of antenna's.
774 * TX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
775 * RX_DEFAULT: Default antenna 0: diversity, 1: A, 2: B.
776 * RF_TYPE: Rf_type of this adapter.
777 * LED_MODE: 0: default, 1: TX/RX activity,2: Single (ignore link), 3: rsvd.
778 * RX_AGCVGC: 0: disable, 1:enable BBP R13 tuning.
779 * HARDWARE_RADIO: 1: Hardware controlled radio. Read GPIO0.
780 */
781#define EEPROM_ANTENNA			0x0b
782#define EEPROM_ANTENNA_NUM		FIELD16(0x0003)
783#define EEPROM_ANTENNA_TX_DEFAULT	FIELD16(0x000c)
784#define EEPROM_ANTENNA_RX_DEFAULT	FIELD16(0x0030)
785#define EEPROM_ANTENNA_RF_TYPE		FIELD16(0x0040)
786#define EEPROM_ANTENNA_LED_MODE		FIELD16(0x0180)
787#define EEPROM_ANTENNA_RX_AGCVGC_TUNING	FIELD16(0x0200)
788#define EEPROM_ANTENNA_HARDWARE_RADIO	FIELD16(0x0400)
789
790/*
791 * EEPROM BBP.
792 */
793#define EEPROM_BBP_START		0x0c
794#define EEPROM_BBP_SIZE			7
795#define EEPROM_BBP_VALUE		FIELD16(0x00ff)
796#define EEPROM_BBP_REG_ID		FIELD16(0xff00)
797
798/*
799 * EEPROM TXPOWER
800 */
801#define EEPROM_TXPOWER_START		0x13
802#define EEPROM_TXPOWER_SIZE		7
803#define EEPROM_TXPOWER_1		FIELD16(0x00ff)
804#define EEPROM_TXPOWER_2		FIELD16(0xff00)
805
806/*
807 * DMA descriptor defines.
808 */
809#define TXD_DESC_SIZE			(8 * sizeof(__le32))
810#define RXD_DESC_SIZE			(8 * sizeof(__le32))
811
812/*
813 * TX descriptor format for TX, PRIO, ATIM and Beacon Ring.
814 */
815
816/*
817 * Word0
818 */
819#define TXD_W0_OWNER_NIC		FIELD32(0x00000001)
820#define TXD_W0_VALID			FIELD32(0x00000002)
821#define TXD_W0_RESULT			FIELD32(0x0000001c)
822#define TXD_W0_RETRY_COUNT		FIELD32(0x000000e0)
823#define TXD_W0_MORE_FRAG		FIELD32(0x00000100)
824#define TXD_W0_ACK			FIELD32(0x00000200)
825#define TXD_W0_TIMESTAMP		FIELD32(0x00000400)
826#define TXD_W0_RTS			FIELD32(0x00000800)
827#define TXD_W0_IFS			FIELD32(0x00006000)
828#define TXD_W0_RETRY_MODE		FIELD32(0x00008000)
829#define TXD_W0_AGC			FIELD32(0x00ff0000)
830#define TXD_W0_R2			FIELD32(0xff000000)
831
832/*
833 * Word1
834 */
835#define TXD_W1_BUFFER_ADDRESS		FIELD32(0xffffffff)
836
837/*
838 * Word2
839 */
840#define TXD_W2_BUFFER_LENGTH		FIELD32(0x0000ffff)
841#define TXD_W2_DATABYTE_COUNT		FIELD32(0xffff0000)
842
843/*
844 * Word3 & 4: PLCP information
845 * The PLCP values should be treated as if they were BBP values.
846 */
847#define TXD_W3_PLCP_SIGNAL		FIELD32(0x000000ff)
848#define TXD_W3_PLCP_SIGNAL_REGNUM	FIELD32(0x00007f00)
849#define TXD_W3_PLCP_SIGNAL_BUSY		FIELD32(0x00008000)
850#define TXD_W3_PLCP_SERVICE		FIELD32(0x00ff0000)
851#define TXD_W3_PLCP_SERVICE_REGNUM	FIELD32(0x7f000000)
852#define TXD_W3_PLCP_SERVICE_BUSY	FIELD32(0x80000000)
853
854#define TXD_W4_PLCP_LENGTH_LOW		FIELD32(0x000000ff)
855#define TXD_W3_PLCP_LENGTH_LOW_REGNUM	FIELD32(0x00007f00)
856#define TXD_W3_PLCP_LENGTH_LOW_BUSY	FIELD32(0x00008000)
857#define TXD_W4_PLCP_LENGTH_HIGH		FIELD32(0x00ff0000)
858#define TXD_W3_PLCP_LENGTH_HIGH_REGNUM	FIELD32(0x7f000000)
859#define TXD_W3_PLCP_LENGTH_HIGH_BUSY	FIELD32(0x80000000)
860
861/*
862 * Word5
863 */
864#define TXD_W5_BBCR4			FIELD32(0x0000ffff)
865#define TXD_W5_AGC_REG			FIELD32(0x007f0000)
866#define TXD_W5_AGC_REG_VALID		FIELD32(0x00800000)
867#define TXD_W5_XXX_REG			FIELD32(0x7f000000)
868#define TXD_W5_XXX_REG_VALID		FIELD32(0x80000000)
869
870/*
871 * Word6
872 */
873#define TXD_W6_SK_BUFF			FIELD32(0xffffffff)
874
875/*
876 * Word7
877 */
878#define TXD_W7_RESERVED			FIELD32(0xffffffff)
879
880/*
881 * RX descriptor format for RX Ring.
882 */
883
884/*
885 * Word0
886 */
887#define RXD_W0_OWNER_NIC		FIELD32(0x00000001)
888#define RXD_W0_UNICAST_TO_ME		FIELD32(0x00000002)
889#define RXD_W0_MULTICAST		FIELD32(0x00000004)
890#define RXD_W0_BROADCAST		FIELD32(0x00000008)
891#define RXD_W0_MY_BSS			FIELD32(0x00000010)
892#define RXD_W0_CRC_ERROR		FIELD32(0x00000020)
893#define RXD_W0_PHYSICAL_ERROR		FIELD32(0x00000080)
894#define RXD_W0_DATABYTE_COUNT		FIELD32(0xffff0000)
895
896/*
897 * Word1
898 */
899#define RXD_W1_BUFFER_ADDRESS		FIELD32(0xffffffff)
900
901/*
902 * Word2
903 */
904#define RXD_W2_BUFFER_LENGTH		FIELD32(0x0000ffff)
905#define RXD_W2_BBR0			FIELD32(0x00ff0000)
906#define RXD_W2_SIGNAL			FIELD32(0xff000000)
907
908/*
909 * Word3
910 */
911#define RXD_W3_RSSI			FIELD32(0x000000ff)
912#define RXD_W3_BBR3			FIELD32(0x0000ff00)
913#define RXD_W3_BBR4			FIELD32(0x00ff0000)
914#define RXD_W3_BBR5			FIELD32(0xff000000)
915
916/*
917 * Word4
918 */
919#define RXD_W4_RX_END_TIME		FIELD32(0xffffffff)
920
921/*
922 * Word5 & 6 & 7: Reserved
923 */
924#define RXD_W5_RESERVED			FIELD32(0xffffffff)
925#define RXD_W6_RESERVED			FIELD32(0xffffffff)
926#define RXD_W7_RESERVED			FIELD32(0xffffffff)
927
928/*
929 * Macros for converting txpower from EEPROM to mac80211 value
930 * and from mac80211 value to register value.
931 * NOTE: Logics in rt2400pci for txpower are reversed
932 * compared to the other rt2x00 drivers. A higher txpower
933 * value means that the txpower must be lowered. This is
934 * important when converting the value coming from the
935 * mac80211 stack to the rt2400 acceptable value.
936 */
937#define MIN_TXPOWER	31
938#define MAX_TXPOWER	62
939#define DEFAULT_TXPOWER	39
940
941#define __CLAMP_TX(__txpower) \
942	clamp_t(u8, (__txpower), MIN_TXPOWER, MAX_TXPOWER)
943
944#define TXPOWER_FROM_DEV(__txpower) \
945	((__CLAMP_TX(__txpower) - MAX_TXPOWER) + MIN_TXPOWER)
946
947#define TXPOWER_TO_DEV(__txpower) \
948	(MAX_TXPOWER - (__CLAMP_TX(__txpower) - MIN_TXPOWER))
949
950#endif /* RT2400PCI_H */
951