if_wpireg.h revision 282369
1/*	$FreeBSD: head/sys/dev/wpi/if_wpireg.h 282369 2015-05-03 20:56:33Z adrian $	*/
2
3/*-
4 * Copyright (c) 2006,2007
5 *	Damien Bergamini <damien.bergamini@free.fr>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20#define WPI_TX_RING_COUNT	256
21#define WPI_TX_RING_LOMARK	192
22#define WPI_TX_RING_HIMARK	224
23
24#ifdef DIAGNOSTIC
25#define WPI_RX_RING_COUNT_LOG	8
26#else
27#define WPI_RX_RING_COUNT_LOG	6
28#endif
29
30#define WPI_RX_RING_COUNT	(1 << WPI_RX_RING_COUNT_LOG)
31
32#define WPI_NTXQUEUES		8
33#define WPI_DRV_NTXQUEUES	5
34#define WPI_CMD_QUEUE_NUM	4
35
36#define WPI_NDMACHNLS		6
37
38/* Maximum scatter/gather. */
39#define WPI_MAX_SCATTER		4
40
41/*
42 * Rings must be aligned on a 16K boundary.
43 */
44#define WPI_RING_DMA_ALIGN	0x4000
45
46/* Maximum Rx buffer size. */
47#define WPI_RBUF_SIZE ( 3 * 1024 ) /* XXX 3000 but must be aligned */
48
49/*
50 * Control and status registers.
51 */
52#define WPI_HW_IF_CONFIG	0x000
53#define WPI_INT			0x008
54#define WPI_INT_MASK		0x00c
55#define WPI_FH_INT		0x010
56#define WPI_GPIO_IN		0x018
57#define WPI_RESET		0x020
58#define WPI_GP_CNTRL		0x024
59#define WPI_EEPROM		0x02c
60#define WPI_EEPROM_GP		0x030
61#define WPI_GIO			0x03c
62#define WPI_UCODE_GP1		0x054
63#define WPI_UCODE_GP1_SET	0x058
64#define WPI_UCODE_GP1_CLR	0x05c
65#define WPI_UCODE_GP2		0x060
66#define WPI_GIO_CHICKEN		0x100
67#define WPI_ANA_PLL		0x20c
68#define WPI_DBG_HPET_MEM	0x240
69#define WPI_MEM_RADDR		0x40c
70#define WPI_MEM_WADDR		0x410
71#define WPI_MEM_WDATA		0x418
72#define WPI_MEM_RDATA		0x41c
73#define WPI_PRPH_WADDR		0x444
74#define WPI_PRPH_RADDR		0x448
75#define WPI_PRPH_WDATA		0x44c
76#define WPI_PRPH_RDATA		0x450
77#define WPI_HBUS_TARG_WRPTR	0x460
78
79/*
80 * Flow-Handler registers.
81 */
82#define WPI_FH_CBBC_CTRL(qid)	(0x940 + (qid) * 8)
83#define WPI_FH_CBBC_BASE(qid)	(0x944 + (qid) * 8)
84#define WPI_FH_RX_CONFIG	0xc00
85#define WPI_FH_RX_BASE		0xc04
86#define WPI_FH_RX_WPTR		0xc20
87#define WPI_FH_RX_RPTR_ADDR	0xc24
88#define WPI_FH_RSSR_TBL		0xcc0
89#define WPI_FH_RX_STATUS	0xcc4
90#define WPI_FH_TX_CONFIG(qid)	(0xd00 + (qid) * 32)
91#define WPI_FH_TX_BASE		0xe80
92#define WPI_FH_MSG_CONFIG	0xe88
93#define WPI_FH_TX_STATUS	0xe90
94
95
96/*
97 * NIC internal memory offsets.
98 */
99#define WPI_ALM_SCHED_MODE		0x2e00
100#define WPI_ALM_SCHED_ARASTAT		0x2e04
101#define WPI_ALM_SCHED_TXFACT		0x2e10
102#define WPI_ALM_SCHED_TXF4MF		0x2e14
103#define WPI_ALM_SCHED_TXF5MF		0x2e20
104#define WPI_ALM_SCHED_SBYPASS_MODE1	0x2e2c
105#define WPI_ALM_SCHED_SBYPASS_MODE2	0x2e30
106#define WPI_APMG_CLK_CTRL		0x3000
107#define WPI_APMG_CLK_EN			0x3004
108#define WPI_APMG_CLK_DIS		0x3008
109#define WPI_APMG_PS			0x300c
110#define WPI_APMG_PCI_STT		0x3010
111#define WPI_APMG_RFKILL			0x3014
112#define WPI_BSM_WR_CTRL			0x3400
113#define WPI_BSM_WR_MEM_SRC		0x3404
114#define WPI_BSM_WR_MEM_DST		0x3408
115#define WPI_BSM_WR_DWCOUNT		0x340c
116#define WPI_BSM_DRAM_TEXT_ADDR		0x3490
117#define WPI_BSM_DRAM_TEXT_SIZE		0x3494
118#define WPI_BSM_DRAM_DATA_ADDR		0x3498
119#define WPI_BSM_DRAM_DATA_SIZE		0x349c
120#define WPI_BSM_SRAM_BASE		0x3800
121
122
123/* Possible flags for register WPI_HW_IF_CONFIG. */
124#define WPI_HW_IF_CONFIG_ALM_MB		(1 << 8)
125#define WPI_HW_IF_CONFIG_ALM_MM		(1 << 9)
126#define WPI_HW_IF_CONFIG_SKU_MRC	(1 << 10)
127#define WPI_HW_IF_CONFIG_REV_D		(1 << 11)
128#define WPI_HW_IF_CONFIG_TYPE_B		(1 << 12)
129
130/* Possible flags for registers WPI_PRPH_RADDR/WPI_PRPH_WADDR. */
131#define WPI_PRPH_DWORD	((sizeof (uint32_t) - 1) << 24)
132
133/* Possible values for WPI_BSM_WR_MEM_DST. */
134#define WPI_FW_TEXT_BASE	0x00000000
135#define WPI_FW_DATA_BASE	0x00800000
136
137/* Possible flags for WPI_GPIO_IN. */
138#define WPI_GPIO_IN_VMAIN	(1 << 9)
139
140/* Possible flags for register WPI_RESET. */
141#define WPI_RESET_NEVO			(1 << 0)
142#define WPI_RESET_SW			(1 << 7)
143#define WPI_RESET_MASTER_DISABLED	(1 << 8)
144#define WPI_RESET_STOP_MASTER		(1 << 9)
145
146/* Possible flags for register WPI_GP_CNTRL. */
147#define WPI_GP_CNTRL_MAC_ACCESS_ENA	(1 <<  0)
148#define WPI_GP_CNTRL_MAC_CLOCK_READY	(1 <<  0)
149#define WPI_GP_CNTRL_INIT_DONE		(1 <<  2)
150#define WPI_GP_CNTRL_MAC_ACCESS_REQ	(1 <<  3)
151#define WPI_GP_CNTRL_SLEEP		(1 <<  4)
152#define WPI_GP_CNTRL_PS_MASK		(7 << 24)
153#define WPI_GP_CNTRL_MAC_PS		(4 << 24)
154#define WPI_GP_CNTRL_RFKILL		(1 << 27)
155
156/* Possible flags for register WPI_GIO_CHICKEN. */
157#define WPI_GIO_CHICKEN_L1A_NO_L0S_RX	(1 << 23)
158#define WPI_GIO_CHICKEN_DIS_L0S_TIMER	(1 << 29)
159
160/* Possible flags for register WPI_GIO. */
161#define WPI_GIO_L0S_ENA			(1 << 1)
162
163/* Possible flags for register WPI_FH_RX_CONFIG. */
164#define WPI_FH_RX_CONFIG_DMA_ENA	(1U  << 31)
165#define WPI_FH_RX_CONFIG_RDRBD_ENA	(1   << 29)
166#define WPI_FH_RX_CONFIG_WRSTATUS_ENA	(1   << 27)
167#define WPI_FH_RX_CONFIG_MAXFRAG	(1   << 24)
168#define WPI_FH_RX_CONFIG_NRBD(x)	((x) << 20)
169#define WPI_FH_RX_CONFIG_IRQ_DST_HOST	(1   << 12)
170#define WPI_FH_RX_CONFIG_IRQ_TIMEOUT(x)	((x) <<  4)
171
172/* Possible flags for register WPI_ANA_PLL. */
173#define WPI_ANA_PLL_INIT	(1 << 24)
174
175/* Possible flags for register WPI_UCODE_GP1*. */
176#define WPI_UCODE_GP1_MAC_SLEEP		(1 << 0)
177#define WPI_UCODE_GP1_RFKILL		(1 << 1)
178#define WPI_UCODE_GP1_CMD_BLOCKED	(1 << 2)
179
180/* Possible flags for register WPI_FH_RX_STATUS. */
181#define	WPI_FH_RX_STATUS_IDLE	(1 << 24)
182
183/* Possible flags for register WPI_BSM_WR_CTRL. */
184#define WPI_BSM_WR_CTRL_START_EN	(1  << 30)
185#define WPI_BSM_WR_CTRL_START		(1U << 31)
186
187/* Possible flags for register WPI_INT. */
188#define WPI_INT_ALIVE		(1  <<  0)
189#define WPI_INT_WAKEUP		(1  <<  1)
190#define WPI_INT_SW_RX		(1  <<  3)
191#define WPI_INT_SW_ERR		(1  << 25)
192#define WPI_INT_FH_TX		(1  << 27)
193#define WPI_INT_HW_ERR		(1  << 29)
194#define WPI_INT_FH_RX		(1U << 31)
195
196/* Shortcut. */
197#define WPI_INT_MASK_DEF					\
198	(WPI_INT_SW_ERR | WPI_INT_HW_ERR | WPI_INT_FH_TX  |	\
199	 WPI_INT_FH_RX  | WPI_INT_ALIVE  | WPI_INT_WAKEUP |	\
200	 WPI_INT_SW_RX)
201
202/* Possible flags for register WPI_FH_INT. */
203#define WPI_FH_INT_RX_CHNL(x)	(1 << ((x) + 16))
204#define WPI_FH_INT_HI_PRIOR	(1 << 30)
205/* Shortcuts for the above. */
206#define WPI_FH_INT_RX			\
207	(WPI_FH_INT_RX_CHNL(0) |	\
208	 WPI_FH_INT_RX_CHNL(1) |	\
209	 WPI_FH_INT_RX_CHNL(2) |	\
210	 WPI_FH_INT_HI_PRIOR)
211
212/* Possible flags for register WPI_FH_TX_STATUS. */
213#define WPI_FH_TX_STATUS_IDLE(qid)	\
214	(1 << ((qid) + 24) | 1 << ((qid) + 16))
215
216/* Possible flags for register WPI_EEPROM. */
217#define WPI_EEPROM_READ_VALID	(1 << 0)
218
219/* Possible flags for register WPI_EEPROM_GP. */
220#define WPI_EEPROM_VERSION	0x00000007
221#define WPI_EEPROM_GP_IF_OWNER	0x00000180
222
223/* Possible flags for register WPI_APMG_PS. */
224#define WPI_APMG_PS_PWR_SRC_MASK	(3 << 24)
225
226/* Possible flags for registers WPI_APMG_CLK_*. */
227#define WPI_APMG_CLK_CTRL_DMA_CLK_RQT	(1 <<  9)
228#define WPI_APMG_CLK_CTRL_BSM_CLK_RQT	(1 << 11)
229
230/* Possible flags for register WPI_APMG_PCI_STT. */
231#define WPI_APMG_PCI_STT_L1A_DIS	(1 << 11)
232
233struct wpi_shared {
234	uint32_t	txbase[WPI_NTXQUEUES];
235	uint32_t	next;
236	uint32_t	reserved[2];
237} __packed;
238
239#define WPI_MAX_SEG_LEN	65520
240struct wpi_tx_desc {
241	uint8_t		reserved1[3];
242	uint8_t		nsegs;
243#define WPI_PAD32(x)	(roundup2(x, 4) - (x))
244
245	struct {
246		uint32_t	addr;
247		uint32_t	len;
248	} __packed	segs[WPI_MAX_SCATTER];
249	uint8_t		reserved2[28];
250} __packed;
251
252struct wpi_tx_stat {
253	uint8_t		rtsfailcnt;
254	uint8_t		ackfailcnt;
255	uint8_t		btkillcnt;
256	uint8_t		rate;
257	uint32_t	duration;
258	uint32_t	status;
259} __packed;
260
261struct wpi_rx_desc {
262	uint32_t	len;
263	uint8_t		type;
264#define WPI_UC_READY		  1
265#define WPI_RX_DONE		 27
266#define WPI_TX_DONE		 28
267#define WPI_START_SCAN		130
268#define WPI_SCAN_RESULTS	131
269#define WPI_STOP_SCAN		132
270#define WPI_BEACON_SENT		144
271#define WPI_RX_STATISTICS	156
272#define WPI_BEACON_STATISTICS	157
273#define WPI_STATE_CHANGED	161
274#define WPI_BEACON_MISSED	162
275
276	uint8_t		flags;
277	uint8_t		idx;
278	uint8_t		qid;
279} __packed;
280
281#define WPI_RX_DESC_QID_MSK		0x07
282#define WPI_UNSOLICITED_RX_NOTIF	0x80
283
284struct wpi_rx_stat {
285	uint8_t		len;
286#define WPI_STAT_MAXLEN	20
287
288	uint8_t		id;
289	uint8_t		rssi;	/* received signal strength */
290#define WPI_RSSI_OFFSET	-95
291
292	uint8_t		agc;	/* access gain control */
293	uint16_t	signal;
294	uint16_t	noise;
295} __packed;
296
297struct wpi_rx_head {
298	uint16_t	chan;
299	uint16_t	flags;
300#define WPI_STAT_FLAG_SHPREAMBLE	(1 << 2)
301
302	uint8_t		reserved;
303	uint8_t		plcp;
304	uint16_t	len;
305} __packed;
306
307struct wpi_rx_tail {
308	uint32_t	flags;
309#define WPI_RX_NO_CRC_ERR	(1 << 0)
310#define WPI_RX_NO_OVFL_ERR	(1 << 1)
311/* shortcut for the above */
312#define WPI_RX_NOERROR		(WPI_RX_NO_CRC_ERR | WPI_RX_NO_OVFL_ERR)
313#define WPI_RX_CIPHER_MASK	(7 <<  8)
314#define WPI_RX_CIPHER_CCMP	(2 <<  8)
315#define WPI_RX_DECRYPT_MASK	(3 << 11)
316#define WPI_RX_DECRYPT_OK	(3 << 11)
317
318	uint64_t	tstamp;
319	uint32_t	tbeacon;
320} __packed;
321
322struct wpi_tx_cmd {
323	uint8_t	code;
324#define WPI_CMD_RXON		 16
325#define WPI_CMD_RXON_ASSOC	 17
326#define WPI_CMD_EDCA_PARAMS	 19
327#define WPI_CMD_TIMING		 20
328#define WPI_CMD_ADD_NODE	 24
329#define WPI_CMD_DEL_NODE	 25
330#define WPI_CMD_TX_DATA		 28
331#define WPI_CMD_MRR_SETUP	 71
332#define WPI_CMD_SET_LED		 72
333#define WPI_CMD_SET_POWER_MODE	119
334#define WPI_CMD_SCAN		128
335#define WPI_CMD_SET_BEACON	145
336#define WPI_CMD_TXPOWER		151
337#define WPI_CMD_BT_COEX		155
338#define WPI_CMD_GET_STATISTICS	156
339
340	uint8_t	flags;
341	uint8_t	idx;
342	uint8_t	qid;
343	uint8_t	data[124];
344} __packed;
345
346/* Structure for command WPI_CMD_RXON. */
347struct wpi_rxon {
348	uint8_t		myaddr[IEEE80211_ADDR_LEN];
349	uint16_t	reserved1;
350	uint8_t		bssid[IEEE80211_ADDR_LEN];
351	uint16_t	reserved2;
352	uint8_t		wlap[IEEE80211_ADDR_LEN];
353	uint16_t	reserved3;
354	uint8_t		mode;
355#define WPI_MODE_HOSTAP		1
356#define WPI_MODE_STA		3
357#define WPI_MODE_IBSS		4
358#define WPI_MODE_MONITOR	6
359
360	uint8_t		air;
361	uint16_t	reserved4;
362	uint8_t		ofdm_mask;
363	uint8_t		cck_mask;
364	uint16_t	associd;
365	uint32_t	flags;
366#define WPI_RXON_24GHZ		(1 <<  0)
367#define WPI_RXON_CCK		(1 <<  1)
368#define WPI_RXON_AUTO		(1 <<  2)
369#define WPI_RXON_SHSLOT		(1 <<  4)
370#define WPI_RXON_SHPREAMBLE	(1 <<  5)
371#define WPI_RXON_NODIVERSITY	(1 <<  7)
372#define WPI_RXON_ANTENNA_A	(1 <<  8)
373#define WPI_RXON_ANTENNA_B	(1 <<  9)
374#define WPI_RXON_TSF		(1 << 15)
375#define WPI_RXON_CTS_TO_SELF	(1 << 30)
376
377	uint32_t	filter;
378#define WPI_FILTER_PROMISC	(1 << 0)
379#define WPI_FILTER_CTL		(1 << 1)
380#define WPI_FILTER_MULTICAST	(1 << 2)
381#define WPI_FILTER_NODECRYPT	(1 << 3)
382#define WPI_FILTER_BSS		(1 << 5)
383#define WPI_FILTER_BEACON	(1 << 6)
384#define WPI_FILTER_ASSOC	(1 << 7)    /* Accept associaton requests. */
385
386	uint8_t		chan;
387	uint16_t	reserved5;
388} __packed;
389
390/* Structure for command WPI_CMD_RXON_ASSOC. */
391struct wpi_assoc {
392	uint32_t	flags;
393	uint32_t	filter;
394	uint8_t		ofdm_mask;
395	uint8_t		cck_mask;
396	uint16_t	reserved;
397} __packed;
398
399/* Structure for command WPI_CMD_EDCA_PARAMS. */
400struct wpi_edca_params {
401	uint32_t	flags;
402#define WPI_EDCA_UPDATE	(1 << 0)
403
404	struct {
405		uint16_t	cwmin;
406		uint16_t	cwmax;
407		uint8_t		aifsn;
408		uint8_t		reserved;
409		uint16_t	txoplimit;
410	} __packed	ac[WME_NUM_AC];
411} __packed;
412
413/* Structure for command WPI_CMD_TIMING. */
414struct wpi_cmd_timing {
415	uint64_t	tstamp;
416	uint16_t	bintval;
417	uint16_t	atim;
418	uint32_t	binitval;
419	uint16_t	lintval;
420	uint16_t	reserved;
421} __packed;
422
423/* Structure for command WPI_CMD_ADD_NODE. */
424struct wpi_node_info {
425	uint8_t		control;
426#define WPI_NODE_UPDATE		(1 << 0)
427
428	uint8_t		reserved1[3];
429	uint8_t		macaddr[IEEE80211_ADDR_LEN];
430	uint16_t	reserved2;
431	uint8_t		id;
432#define WPI_ID_BSS		0
433#define WPI_ID_IBSS_MIN		2
434#define WPI_ID_IBSS_MAX		23
435#define WPI_ID_BROADCAST	24
436#define WPI_ID_UNDEFINED	(uint8_t)-1
437
438	uint8_t		flags;
439#define WPI_FLAG_KEY_SET	(1 << 0)
440
441	uint16_t	reserved3;
442	uint16_t	kflags;
443#define WPI_KFLAG_CCMP		(1 <<  1)
444#define WPI_KFLAG_KID(kid)	((kid) << 8)
445#define WPI_KFLAG_MULTICAST	(1 << 14)
446
447	uint8_t		tsc2;
448	uint8_t		reserved4;
449	uint16_t	ttak[5];
450	uint16_t	reserved5;
451	uint8_t		key[IEEE80211_KEYBUF_SIZE];
452	uint32_t	action;
453#define WPI_ACTION_SET_RATE	(1 << 2)
454
455	uint32_t	mask;
456	uint16_t	tid;
457	uint8_t		plcp;
458	uint8_t		antenna;
459#define WPI_ANTENNA_A		(1 << 6)
460#define WPI_ANTENNA_B		(1 << 7)
461#define WPI_ANTENNA_BOTH	(WPI_ANTENNA_A | WPI_ANTENNA_B)
462
463	uint8_t		add_imm;
464	uint8_t		del_imm;
465	uint16_t	add_imm_start;
466} __packed;
467
468/* Structure for command WPI_CMD_DEL_NODE. */
469struct wpi_cmd_del_node {
470	uint8_t		count;
471	uint8_t		reserved1[3];
472	uint8_t		macaddr[IEEE80211_ADDR_LEN];
473	uint16_t	reserved2;
474} __packed;
475
476/* Structure for command WPI_CMD_TX_DATA. */
477struct wpi_cmd_data {
478	uint16_t	len;
479	uint16_t	lnext;
480	uint32_t	flags;
481#define WPI_TX_NEED_RTS		(1 <<  1)
482#define WPI_TX_NEED_CTS		(1 <<  2)
483#define WPI_TX_NEED_ACK		(1 <<  3)
484#define WPI_TX_FULL_TXOP	(1 <<  7)
485#define WPI_TX_BT_DISABLE	(1 << 12) 	/* bluetooth coexistence */
486#define WPI_TX_AUTO_SEQ		(1 << 13)
487#define WPI_TX_MORE_FRAG	(1 << 14)
488#define WPI_TX_INSERT_TSTAMP	(1 << 16)
489
490	uint8_t		plcp;
491	uint8_t		id;
492	uint8_t		tid;
493	uint8_t		security;
494#define WPI_CIPHER_WEP		1
495#define WPI_CIPHER_CCMP		2
496#define WPI_CIPHER_TKIP		3
497#define WPI_CIPHER_WEP104	9
498
499	uint8_t		key[IEEE80211_KEYBUF_SIZE];
500	uint8_t		tkip[IEEE80211_WEP_MICLEN];
501	uint32_t	fnext;
502	uint32_t	lifetime;
503#define WPI_LIFETIME_INFINITE	0xffffffff
504
505	uint8_t		ofdm_mask;
506	uint8_t		cck_mask;
507	uint8_t		rts_ntries;
508	uint8_t		data_ntries;
509	uint16_t	timeout;
510	uint16_t	txop;
511} __packed;
512
513/* Structure for command WPI_CMD_SET_BEACON. */
514struct wpi_cmd_beacon {
515	uint16_t	len;
516	uint16_t	reserved1;
517	uint32_t	flags;	/* same as wpi_cmd_data */
518	uint8_t		plcp;
519	uint8_t		id;
520	uint8_t		reserved2[30];
521	uint32_t	lifetime;
522	uint8_t		ofdm_mask;
523	uint8_t		cck_mask;
524	uint16_t	reserved3[3];
525	uint16_t	tim;
526	uint8_t		timsz;
527	uint8_t		reserved4;
528} __packed;
529
530/* Structure for notification WPI_BEACON_MISSED. */
531struct wpi_beacon_missed {
532	uint32_t consecutive;
533	uint32_t total;
534	uint32_t expected;
535	uint32_t received;
536} __packed;
537
538
539/* Structure for command WPI_CMD_MRR_SETUP. */
540#define WPI_RIDX_MAX	11
541struct wpi_mrr_setup {
542	uint32_t	which;
543#define WPI_MRR_CTL	0
544#define WPI_MRR_DATA	1
545
546	struct {
547		uint8_t	plcp;
548		uint8_t	flags;
549		uint8_t	ntries;
550#define		WPI_NTRIES_DEFAULT	2
551
552		uint8_t	next;
553	} __packed	rates[WPI_RIDX_MAX + 1];
554} __packed;
555
556/* Structure for command WPI_CMD_SET_LED. */
557struct wpi_cmd_led {
558	uint32_t	unit;	/* multiplier (in usecs) */
559	uint8_t		which;
560#define WPI_LED_ACTIVITY	1
561#define WPI_LED_LINK		2
562
563	uint8_t		off;
564	uint8_t		on;
565	uint8_t		reserved;
566} __packed;
567
568/* Structure for command WPI_CMD_SET_POWER_MODE. */
569struct wpi_pmgt_cmd {
570	uint16_t	flags;
571#define WPI_PS_ALLOW_SLEEP	(1 << 0)
572#define WPI_PS_NOTIFY		(1 << 1)
573#define WPI_PS_SLEEP_OVER_DTIM	(1 << 2)
574#define WPI_PS_PCI_PMGT		(1 << 3)
575
576	uint8_t		reserved[2];
577	uint32_t	rxtimeout;
578	uint32_t	txtimeout;
579	uint32_t	intval[5];
580} __packed;
581
582/* Structures for command WPI_CMD_SCAN. */
583#define WPI_SCAN_MAX_ESSIDS	4
584struct wpi_scan_essid {
585	uint8_t	id;
586	uint8_t	len;
587	uint8_t	data[IEEE80211_NWID_LEN];
588} __packed;
589
590struct wpi_scan_hdr {
591	uint16_t	len;
592	uint8_t		reserved1;
593	uint8_t		nchan;
594	uint16_t	quiet_time;
595	uint16_t	quiet_threshold;
596	uint16_t	crc_threshold;
597	uint16_t	reserved2;
598	uint32_t	max_svc;	/* background scans */
599	uint32_t	pause_svc;	/* background scans */
600	uint32_t	flags;
601	uint32_t	filter;
602
603	/* Followed by a struct wpi_cmd_data. */
604	/* Followed by an array of 4 structs wpi_scan_essid. */
605	/* Followed by probe request body. */
606	/* Followed by an array of ``nchan'' structs wpi_scan_chan. */
607} __packed;
608
609struct wpi_scan_chan {
610	uint8_t		flags;
611#define WPI_CHAN_ACTIVE		(1 << 0)
612#define WPI_CHAN_NPBREQS(x)	(((1 << (x)) - 1) << 1)
613
614	uint8_t		chan;
615	uint8_t		rf_gain;
616	uint8_t		dsp_gain;
617	uint16_t	active;		/* msecs */
618	uint16_t	passive;	/* msecs */
619} __packed;
620
621#define WPI_SCAN_CRC_TH_DEFAULT		htole16(1)
622#define WPI_SCAN_CRC_TH_NEVER		htole16(0xffff)
623
624/* Maximum size of a scan command. */
625#define WPI_SCAN_MAXSZ	(MCLBYTES - 4)
626
627#define WPI_ACTIVE_DWELL_TIME_2GHZ	(30)	/* all times in msec */
628#define WPI_ACTIVE_DWELL_TIME_5GHZ	(20)
629#define WPI_ACTIVE_DWELL_FACTOR_2GHZ	( 3)
630#define WPI_ACTIVE_DWELL_FACTOR_5GHZ	( 2)
631
632#define WPI_PASSIVE_DWELL_TIME_2GHZ	( 20)
633#define WPI_PASSIVE_DWELL_TIME_5GHZ	( 10)
634#define WPI_PASSIVE_DWELL_BASE		(100)
635
636/* Structure for command WPI_CMD_TXPOWER. */
637struct wpi_cmd_txpower {
638	uint8_t		band;
639#define WPI_BAND_5GHZ	0
640#define WPI_BAND_2GHZ	1
641
642	uint8_t		reserved;
643	uint16_t	chan;
644
645	struct {
646		uint8_t	plcp;
647		uint8_t	rf_gain;
648		uint8_t	dsp_gain;
649		uint8_t	reserved;
650	} __packed	rates[WPI_RIDX_MAX + 1];
651
652} __packed;
653
654/* Structure for command WPI_CMD_BT_COEX. */
655struct wpi_bluetooth {
656	uint8_t		flags;
657#define WPI_BT_COEX_DISABLE	0
658#define WPI_BT_COEX_MODE_2WIRE	1
659#define WPI_BT_COEX_MODE_3WIRE	2
660#define WPI_BT_COEX_MODE_4WIRE	3
661
662	uint8_t		lead_time;
663#define WPI_BT_LEAD_TIME_DEF	30
664
665	uint8_t		max_kill;
666#define WPI_BT_MAX_KILL_DEF	5
667
668	uint8_t		reserved;
669	uint32_t	kill_ack;
670	uint32_t	kill_cts;
671} __packed;
672
673/* Structure for WPI_UC_READY notification. */
674struct wpi_ucode_info {
675	uint8_t		minor;
676	uint8_t		major;
677	uint16_t	reserved1;
678	uint8_t		revision[8];
679	uint8_t		type;
680	uint8_t		subtype;
681	uint16_t	reserved2;
682	uint32_t	logptr;
683	uint32_t	errptr;
684	uint32_t	tstamp;
685	uint32_t	valid;
686} __packed;
687
688/* Structure for WPI_START_SCAN notification. */
689struct wpi_start_scan {
690	uint64_t	tstamp;
691	uint32_t	tbeacon;
692	uint8_t		chan;
693	uint8_t		band;
694	uint16_t	reserved;
695	uint32_t	status;
696} __packed;
697
698/* Structure for WPI_STOP_SCAN notification. */
699struct wpi_stop_scan {
700	uint8_t		nchan;
701	uint8_t		status;
702	uint8_t		reserved;
703	uint8_t		chan;
704	uint64_t	tsf;
705} __packed;
706
707/* Structures for WPI_{RX,BEACON}_STATISTICS notification. */
708struct wpi_rx_phy_stats {
709	uint32_t	ina;
710	uint32_t	fina;
711	uint32_t	bad_plcp;
712	uint32_t	bad_crc32;
713	uint32_t	overrun;
714	uint32_t	eoverrun;
715	uint32_t	good_crc32;
716	uint32_t	fa;
717	uint32_t	bad_fina_sync;
718	uint32_t	sfd_timeout;
719	uint32_t	fina_timeout;
720	uint32_t	no_rts_ack;
721	uint32_t	rxe_limit;
722	uint32_t	ack;
723	uint32_t	cts;
724} __packed;
725
726struct wpi_rx_general_stats {
727	uint32_t	bad_cts;
728	uint32_t	bad_ack;
729	uint32_t	not_bss;
730	uint32_t	filtered;
731	uint32_t	bad_chan;
732} __packed;
733
734struct wpi_rx_stats {
735	struct wpi_rx_phy_stats		ofdm;
736	struct wpi_rx_phy_stats		cck;
737	struct wpi_rx_general_stats	general;
738} __packed;
739
740struct wpi_tx_stats {
741	uint32_t	preamble;
742	uint32_t	rx_detected;
743	uint32_t	bt_defer;
744	uint32_t	bt_kill;
745	uint32_t	short_len;
746	uint32_t	cts_timeout;
747	uint32_t	ack_timeout;
748	uint32_t	exp_ack;
749	uint32_t	ack;
750} __packed;
751
752struct wpi_general_stats {
753	uint32_t	temp;
754	uint32_t	burst_check;
755	uint32_t	burst;
756	uint32_t	reserved[4];
757	uint32_t	sleep;
758	uint32_t	slot_out;
759	uint32_t	slot_idle;
760	uint32_t	ttl_tstamp;
761	uint32_t	tx_ant_a;
762	uint32_t	tx_ant_b;
763	uint32_t	exec;
764	uint32_t	probe;
765} __packed;
766
767struct wpi_stats {
768	uint32_t			flags;
769	struct wpi_rx_stats		rx;
770	struct wpi_tx_stats		tx;
771	struct wpi_general_stats	general;
772} __packed;
773
774/* Possible flags for command WPI_CMD_GET_STATISTICS. */
775#define WPI_STATISTICS_BEACON_DISABLE	(1 << 1)
776
777
778/* Firmware error dump entry. */
779struct wpi_fw_dump {
780	uint32_t	desc;
781	uint32_t	time;
782	uint32_t	blink[2];
783	uint32_t	ilink[2];
784	uint32_t	data;
785} __packed;
786
787/* Firmware image file header. */
788struct wpi_firmware_hdr {
789
790#define WPI_FW_MINVERSION 2144
791#define WPI_FW_NAME "wpifw"
792
793	uint16_t	driver;
794	uint8_t		minor;
795	uint8_t		major;
796	uint32_t	rtextsz;
797	uint32_t	rdatasz;
798	uint32_t	itextsz;
799	uint32_t	idatasz;
800	uint32_t	btextsz;
801} __packed;
802
803#define WPI_FW_TEXT_MAXSZ	 ( 80 * 1024 )
804#define WPI_FW_DATA_MAXSZ	 ( 32 * 1024 )
805#define WPI_FW_BOOT_TEXT_MAXSZ		1024
806
807#define WPI_FW_UPDATED	(1U << 31 )
808
809/*
810 * Offsets into EEPROM.
811 */
812#define WPI_EEPROM_MAC		0x015
813#define WPI_EEPROM_REVISION	0x035
814#define WPI_EEPROM_SKU_CAP	0x045
815#define WPI_EEPROM_TYPE		0x04a
816#define WPI_EEPROM_DOMAIN	0x060
817#define WPI_EEPROM_BAND1	0x063
818#define WPI_EEPROM_BAND2	0x072
819#define WPI_EEPROM_BAND3	0x080
820#define WPI_EEPROM_BAND4	0x08d
821#define WPI_EEPROM_BAND5	0x099
822#define WPI_EEPROM_POWER_GRP	0x100
823
824struct wpi_eeprom_chan {
825	uint8_t	flags;
826#define WPI_EEPROM_CHAN_VALID	(1 << 0)
827#define	WPI_EEPROM_CHAN_IBSS	(1 << 1)
828#define WPI_EEPROM_CHAN_ACTIVE	(1 << 3)
829#define WPI_EEPROM_CHAN_RADAR	(1 << 4)
830
831	int8_t	maxpwr;
832} __packed;
833
834struct wpi_eeprom_sample {
835	uint8_t		index;
836	int8_t		power;
837	uint16_t	volt;
838} __packed;
839
840#define WPI_POWER_GROUPS_COUNT	5
841struct wpi_eeprom_group {
842	struct		wpi_eeprom_sample samples[5];
843	int32_t		coef[5];
844	int32_t		corr[5];
845	int8_t		maxpwr;
846	uint8_t		chan;
847	int16_t		temp;
848} __packed;
849
850#define WPI_CHAN_BANDS_COUNT	 5
851#define WPI_MAX_CHAN_PER_BAND	14
852static const struct wpi_chan_band {
853	uint32_t	addr;	/* offset in EEPROM */
854	uint8_t		nchan;
855	uint8_t		chan[WPI_MAX_CHAN_PER_BAND];
856} wpi_bands[] = {
857	/* 20MHz channels, 2GHz band. */
858	{ WPI_EEPROM_BAND1, 14,
859	    { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 } },
860	/* 20MHz channels, 5GHz band. */
861	{ WPI_EEPROM_BAND2, 13,
862	    { 183, 184, 185, 187, 188, 189, 192, 196, 7, 8, 11, 12, 16 } },
863	{ WPI_EEPROM_BAND3, 12,
864	    { 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 } },
865	{ WPI_EEPROM_BAND4, 11,
866	    { 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 } },
867	{ WPI_EEPROM_BAND5, 6,
868	    { 145, 149, 153, 157, 161, 165 } }
869};
870
871/* HW rate indices. */
872#define WPI_RIDX_OFDM6	 0
873#define WPI_RIDX_OFDM36	 5
874#define WPI_RIDX_OFDM48	 6
875#define WPI_RIDX_OFDM54	 7
876#define WPI_RIDX_CCK1	 8
877#define WPI_RIDX_CCK2	 9
878#define WPI_RIDX_CCK11	11
879
880static const uint8_t wpi_ridx_to_plcp[] = {
881	/* OFDM: IEEE Std 802.11a-1999, pp. 14 Table 80 */
882	/* R1-R4 (ral/ural is R4-R1) */
883	0xd, 0xf, 0x5, 0x7, 0x9, 0xb, 0x1, 0x3,
884	/* CCK: device-dependent */
885	10, 20, 55, 110
886};
887
888#define WPI_MAX_PWR_INDEX	77
889
890/*
891 * RF Tx gain values from highest to lowest power (values obtained from
892 * the reference driver.)
893 */
894static const uint8_t wpi_rf_gain_2ghz[WPI_MAX_PWR_INDEX + 1] = {
895	0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xbb, 0xbb, 0xbb,
896	0xbb, 0xf3, 0xf3, 0xf3, 0xf3, 0xf3, 0xd3, 0xd3, 0xb3, 0xb3, 0xb3,
897	0x93, 0x93, 0x93, 0x93, 0x93, 0x93, 0x93, 0x73, 0xeb, 0xeb, 0xeb,
898	0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xab, 0xab, 0xab, 0x8b,
899	0xe3, 0xe3, 0xe3, 0xe3, 0xe3, 0xe3, 0xc3, 0xc3, 0xc3, 0xc3, 0xa3,
900	0xa3, 0xa3, 0xa3, 0x83, 0x83, 0x83, 0x83, 0x63, 0x63, 0x63, 0x63,
901	0x43, 0x43, 0x43, 0x43, 0x23, 0x23, 0x23, 0x23, 0x03, 0x03, 0x03,
902	0x03
903};
904
905static const uint8_t wpi_rf_gain_5ghz[WPI_MAX_PWR_INDEX + 1] = {
906	0xfb, 0xfb, 0xfb, 0xdb, 0xdb, 0xbb, 0xbb, 0x9b, 0x9b, 0x7b, 0x7b,
907	0x7b, 0x7b, 0x5b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x1b, 0x1b,
908	0x1b, 0x73, 0x73, 0x73, 0x53, 0x53, 0x53, 0x53, 0x53, 0x33, 0x33,
909	0x33, 0x33, 0x13, 0x13, 0x13, 0x13, 0x13, 0xab, 0xab, 0xab, 0x8b,
910	0x8b, 0x8b, 0x8b, 0x6b, 0x6b, 0x6b, 0x6b, 0x4b, 0x4b, 0x4b, 0x4b,
911	0x2b, 0x2b, 0x2b, 0x2b, 0x0b, 0x0b, 0x0b, 0x0b, 0x83, 0x83, 0x63,
912	0x63, 0x63, 0x63, 0x43, 0x43, 0x43, 0x43, 0x23, 0x23, 0x23, 0x23,
913	0x03
914};
915
916/*
917 * DSP pre-DAC gain values from highest to lowest power (values obtained
918 * from the reference driver.)
919 */
920static const uint8_t wpi_dsp_gain_2ghz[WPI_MAX_PWR_INDEX + 1] = {
921	0x7f, 0x7f, 0x7f, 0x7f, 0x7d, 0x6e, 0x69, 0x62, 0x7d, 0x73, 0x6c,
922	0x63, 0x77, 0x6f, 0x69, 0x61, 0x5c, 0x6a, 0x64, 0x78, 0x71, 0x6b,
923	0x7d, 0x77, 0x70, 0x6a, 0x65, 0x61, 0x5b, 0x6b, 0x79, 0x73, 0x6d,
924	0x7f, 0x79, 0x73, 0x6c, 0x66, 0x60, 0x5c, 0x6e, 0x68, 0x62, 0x74,
925	0x7d, 0x77, 0x71, 0x6b, 0x65, 0x60, 0x71, 0x6a, 0x66, 0x5f, 0x71,
926	0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66, 0x5f,
927	0x71, 0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66,
928	0x5f
929};
930
931static const uint8_t wpi_dsp_gain_5ghz[WPI_MAX_PWR_INDEX + 1] = {
932	0x7f, 0x78, 0x72, 0x77, 0x65, 0x71, 0x66, 0x72, 0x67, 0x75, 0x6b,
933	0x63, 0x5c, 0x6c, 0x7d, 0x76, 0x6d, 0x66, 0x60, 0x5a, 0x68, 0x62,
934	0x5c, 0x76, 0x6f, 0x68, 0x7e, 0x79, 0x71, 0x69, 0x63, 0x76, 0x6f,
935	0x68, 0x62, 0x74, 0x6d, 0x66, 0x62, 0x5d, 0x71, 0x6b, 0x63, 0x78,
936	0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63,
937	0x78, 0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63, 0x6b, 0x63, 0x78,
938	0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63,
939	0x78
940};
941
942/*
943 * Power saving settings (values obtained from the reference driver.)
944 */
945#define WPI_NDTIMRANGES		2
946#define WPI_NPOWERLEVELS	6
947static const struct wpi_pmgt {
948	uint32_t	rxtimeout;
949	uint32_t	txtimeout;
950	uint32_t	intval[5];
951	int		skip_dtim;
952} wpi_pmgt[WPI_NDTIMRANGES][WPI_NPOWERLEVELS] = {
953	/* DTIM <= 10 */
954	{
955	{   0,   0, {  0,  0,  0,  0,  0 }, 0 },	/* CAM */
956	{ 200, 500, {  1,  2,  3,  4,  4 }, 0 },	/* PS level 1 */
957	{ 200, 300, {  2,  4,  6,  7,  7 }, 0 },	/* PS level 2 */
958	{  50, 100, {  2,  6,  9,  9, 10 }, 0 },	/* PS level 3 */
959	{  50,  25, {  2,  7,  9,  9, 10 }, 1 },	/* PS level 4 */
960	{  25,  25, {  4,  7, 10, 10, 10 }, 1 }		/* PS level 5 */
961	},
962	/* DTIM >= 11 */
963	{
964	{   0,   0, {  0,  0,  0,  0,  0 }, 0 },	/* CAM */
965	{ 200, 500, {  1,  2,  3,  4, -1 }, 0 },	/* PS level 1 */
966	{ 200, 300, {  2,  4,  6,  7, -1 }, 0 },	/* PS level 2 */
967	{  50, 100, {  2,  6,  9,  9, -1 }, 0 },	/* PS level 3 */
968	{  50,  25, {  2,  7,  9,  9, -1 }, 0 },	/* PS level 4 */
969	{  25,  25, {  4,  7, 10, 10, -1 }, 0 }		/* PS level 5 */
970	}
971};
972
973/* Firmware errors. */
974static const char * const wpi_fw_errmsg[] = {
975	"OK",
976	"FAIL",
977	"BAD_PARAM",
978	"BAD_CHECKSUM",
979	"NMI_INTERRUPT",
980	"SYSASSERT",
981	"FATAL_ERROR"
982};
983
984#define WPI_READ(sc, reg)						\
985	bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
986
987#define WPI_WRITE(sc, reg, val)						\
988	bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
989
990#define WPI_WRITE_REGION_4(sc, offset, datap, count)			\
991	bus_space_write_region_4((sc)->sc_st, (sc)->sc_sh, (offset),	\
992	    (datap), (count))
993
994#define WPI_SETBITS(sc, reg, mask)					\
995	WPI_WRITE(sc, reg, WPI_READ(sc, reg) | (mask))
996
997#define WPI_CLRBITS(sc, reg, mask)					\
998	WPI_WRITE(sc, reg, WPI_READ(sc, reg) & ~(mask))
999
1000#define WPI_BARRIER_WRITE(sc)						\
1001	bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)->sc_sz,	\
1002	    BUS_SPACE_BARRIER_WRITE)
1003
1004#define WPI_BARRIER_READ_WRITE(sc)					\
1005	bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)->sc_sz,	\
1006	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE)
1007