if_wpireg.h revision 278366
1/*	$FreeBSD: head/sys/dev/wpi/if_wpireg.h 278366 2015-02-07 23:11:38Z 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#define WPI_RX_RING_COUNT_LOG	6
24#define WPI_RX_RING_COUNT	(1 << WPI_RX_RING_COUNT_LOG)
25
26#define WPI_NTXQUEUES		8
27#define WPI_NDMACHNLS		6
28
29/* Maximum scatter/gather. */
30#define WPI_MAX_SCATTER	4
31
32/*
33 * Rings must be aligned on a 16K boundary.
34 */
35#define WPI_RING_DMA_ALIGN	0x4000
36
37/* Maximum Rx buffer size. */
38#define WPI_RBUF_SIZE ( 3 * 1024 ) /* XXX 3000 but must be aligned */
39
40/*
41 * Control and status registers.
42 */
43#define WPI_HW_IF_CONFIG	0x000
44#define WPI_INT			0x008
45#define WPI_INT_MASK		0x00c
46#define WPI_FH_INT		0x010
47#define WPI_GPIO_IN		0x018
48#define WPI_RESET		0x020
49#define WPI_GP_CNTRL		0x024
50#define WPI_EEPROM		0x02c
51#define WPI_EEPROM_GP		0x030
52#define WPI_GIO			0x03c
53#define WPI_UCODE_GP1		0x054
54#define WPI_UCODE_GP1_SET	0x058
55#define WPI_UCODE_GP1_CLR	0x05c
56#define WPI_UCODE_GP2		0x060
57#define WPI_GIO_CHICKEN		0x100
58#define WPI_ANA_PLL		0x20c
59#define WPI_DBG_HPET_MEM	0x240
60#define WPI_MEM_RADDR		0x40c
61#define WPI_MEM_WADDR		0x410
62#define WPI_MEM_WDATA		0x418
63#define WPI_MEM_RDATA		0x41c
64#define WPI_PRPH_WADDR		0x444
65#define WPI_PRPH_RADDR		0x448
66#define WPI_PRPH_WDATA		0x44c
67#define WPI_PRPH_RDATA		0x450
68#define WPI_HBUS_TARG_WRPTR	0x460
69
70/*
71 * Flow-Handler registers.
72 */
73#define WPI_FH_CBBC_CTRL(qid)	(0x940 + (qid) * 8)
74#define WPI_FH_CBBC_BASE(qid)	(0x944 + (qid) * 8)
75#define WPI_FH_RX_CONFIG	0xc00
76#define WPI_FH_RX_BASE		0xc04
77#define WPI_FH_RX_WPTR		0xc20
78#define WPI_FH_RX_RPTR_ADDR	0xc24
79#define WPI_FH_RSSR_TBL		0xcc0
80#define WPI_FH_RX_STATUS	0xcc4
81#define WPI_FH_TX_CONFIG(qid)	(0xd00 + (qid) * 32)
82#define WPI_FH_TX_BASE		0xe80
83#define WPI_FH_MSG_CONFIG	0xe88
84#define WPI_FH_TX_STATUS	0xe90
85
86
87/*
88 * NIC internal memory offsets.
89 */
90#define WPI_ALM_SCHED_MODE		0x2e00
91#define WPI_ALM_SCHED_ARASTAT		0x2e04
92#define WPI_ALM_SCHED_TXFACT		0x2e10
93#define WPI_ALM_SCHED_TXF4MF		0x2e14
94#define WPI_ALM_SCHED_TXF5MF		0x2e20
95#define WPI_ALM_SCHED_SBYPASS_MODE1	0x2e2c
96#define WPI_ALM_SCHED_SBYPASS_MODE2	0x2e30
97#define WPI_APMG_CLK_EN			0x3004
98#define WPI_APMG_CLK_DIS		0x3008
99#define WPI_APMG_PS			0x300c
100#define WPI_APMG_PCI_STT		0x3010
101#define WPI_APMG_RFKILL			0x3014
102#define WPI_BSM_WR_CTRL			0x3400
103#define WPI_BSM_WR_MEM_SRC		0x3404
104#define WPI_BSM_WR_MEM_DST		0x3408
105#define WPI_BSM_WR_DWCOUNT		0x340c
106#define WPI_BSM_DRAM_TEXT_ADDR		0x3490
107#define WPI_BSM_DRAM_TEXT_SIZE		0x3494
108#define WPI_BSM_DRAM_DATA_ADDR		0x3498
109#define WPI_BSM_DRAM_DATA_SIZE		0x349c
110#define WPI_BSM_SRAM_BASE		0x3800
111
112
113/* Possible flags for register WPI_HW_IF_CONFIG. */
114#define WPI_HW_IF_CONFIG_ALM_MB		(1 << 8)
115#define WPI_HW_IF_CONFIG_ALM_MM		(1 << 9)
116#define WPI_HW_IF_CONFIG_SKU_MRC	(1 << 10)
117#define WPI_HW_IF_CONFIG_REV_D		(1 << 11)
118#define WPI_HW_IF_CONFIG_TYPE_B		(1 << 12)
119
120/* Possible flags for registers WPI_PRPH_RADDR/WPI_PRPH_WADDR. */
121#define WPI_PRPH_DWORD	((sizeof (uint32_t) - 1) << 24)
122
123/* Possible values for WPI_BSM_WR_MEM_DST. */
124#define WPI_FW_TEXT_BASE	0x00000000
125#define WPI_FW_DATA_BASE	0x00800000
126
127/* Possible flags for WPI_GPIO_IN. */
128#define WPI_GPIO_IN_VMAIN	(1 << 9)
129
130/* Possible flags for register WPI_RESET. */
131#define WPI_RESET_NEVO			(1 << 0)
132#define WPI_RESET_SW			(1 << 7)
133#define WPI_RESET_MASTER_DISABLED	(1 << 8)
134#define WPI_RESET_STOP_MASTER		(1 << 9)
135
136/* Possible flags for register WPI_GP_CNTRL. */
137#define WPI_GP_CNTRL_MAC_ACCESS_ENA	(1 <<  0)
138#define WPI_GP_CNTRL_MAC_CLOCK_READY	(1 <<  0)
139#define WPI_GP_CNTRL_INIT_DONE		(1 <<  2)
140#define WPI_GP_CNTRL_MAC_ACCESS_REQ	(1 <<  3)
141#define WPI_GP_CNTRL_SLEEP		(1 <<  4)
142#define WPI_GP_CNTRL_PS_MASK		(7 << 24)
143#define WPI_GP_CNTRL_MAC_PS		(4 << 24)
144#define WPI_GP_CNTRL_RFKILL		(1 << 27)
145
146/* Possible flags for register WPI_GIO_CHICKEN. */
147#define WPI_GIO_CHICKEN_L1A_NO_L0S_RX	(1 << 23)
148#define WPI_GIO_CHICKEN_DIS_L0S_TIMER	(1 << 29)
149
150/* Possible flags for register WPI_GIO. */
151#define WPI_GIO_L0S_ENA			(1 << 1)
152
153/* Possible flags for register WPI_FH_RX_CONFIG. */
154#define WPI_FH_RX_CONFIG_DMA_ENA	(1U  << 31)
155#define WPI_FH_RX_CONFIG_RDRBD_ENA	(1   << 29)
156#define WPI_FH_RX_CONFIG_WRSTATUS_ENA	(1   << 27)
157#define WPI_FH_RX_CONFIG_MAXFRAG	(1   << 24)
158#define WPI_FH_RX_CONFIG_NRBD(x)	((x) << 20)
159#define WPI_FH_RX_CONFIG_IRQ_DST_HOST	(1   << 12)
160#define WPI_FH_RX_CONFIG_IRQ_TIMEOUT(x)	((x) <<  4)
161
162/* Possible flags for register WPI_ANA_PLL. */
163#define WPI_ANA_PLL_INIT	(1 << 24)
164
165/* Possible flags for register WPI_UCODE_GP1*. */
166#define WPI_UCODE_GP1_MAC_SLEEP		(1 << 0)
167#define WPI_UCODE_GP1_RFKILL		(1 << 1)
168#define WPI_UCODE_GP1_CMD_BLOCKED	(1 << 2)
169
170/* Possible flags for register WPI_FH_RX_STATUS. */
171#define	WPI_FH_RX_STATUS_IDLE	(1 << 24)
172
173/* Possible flags for register WPI_BSM_WR_CTRL. */
174#define WPI_BSM_WR_CTRL_START_EN	(1  << 30)
175#define WPI_BSM_WR_CTRL_START		(1U << 31)
176
177/* Possible flags for register WPI_INT. */
178#define WPI_INT_ALIVE		(1  <<  0)
179#define WPI_INT_WAKEUP		(1  <<  1)
180#define WPI_INT_SW_RX		(1  <<  3)
181#define WPI_INT_SW_ERR		(1  << 25)
182#define WPI_INT_FH_TX		(1  << 27)
183#define WPI_INT_HW_ERR		(1  << 29)
184#define WPI_INT_FH_RX		(1U << 31)
185
186/* Shortcut. */
187#define WPI_INT_MASK_DEF					\
188	(WPI_INT_SW_ERR | WPI_INT_HW_ERR | WPI_INT_FH_TX  |	\
189	 WPI_INT_FH_RX  | WPI_INT_ALIVE  | WPI_INT_WAKEUP |	\
190	 WPI_INT_SW_RX)
191
192/* Possible flags for register WPI_FH_INT. */
193#define WPI_FH_INT_RX_CHNL(x)	(1 << ((x) + 16))
194#define WPI_FH_INT_HI_PRIOR	(1 << 30)
195/* Shortcuts for the above. */
196#define WPI_FH_INT_RX			\
197	(WPI_FH_INT_RX_CHNL(0) |	\
198	 WPI_FH_INT_RX_CHNL(1) |	\
199	 WPI_FH_INT_RX_CHNL(2) |	\
200	 WPI_FH_INT_HI_PRIOR)
201
202/* Possible flags for register WPI_FH_TX_STATUS. */
203#define WPI_FH_TX_STATUS_IDLE(qid)	\
204	(1 << ((qid) + 24) | 1 << ((qid) + 16))
205
206/* Possible flags for register WPI_EEPROM. */
207#define WPI_EEPROM_READ_VALID	(1 << 0)
208
209/* Possible flags for register WPI_EEPROM_GP. */
210#define WPI_EEPROM_VERSION	0x00000007
211#define WPI_EEPROM_GP_IF_OWNER	0x00000180
212
213/* Possible flags for register WPI_APMG_PS. */
214#define WPI_APMG_PS_PWR_SRC_MASK	(3 << 24)
215
216/* Possible flags for registers WPI_APMG_CLK_*. */
217#define WPI_APMG_CLK_CTRL_DMA_CLK_RQT	(1 <<  9)
218#define WPI_APMG_CLK_CTRL_BSM_CLK_RQT	(1 << 11)
219
220/* Possible flags for register WPI_APMG_PCI_STT. */
221#define WPI_APMG_PCI_STT_L1A_DIS	(1 << 11)
222
223struct wpi_shared {
224	uint32_t	txbase[8];
225	uint32_t	next;
226	uint32_t	reserved[2];
227} __packed;
228
229#define WPI_MAX_SEG_LEN	65520
230struct wpi_tx_desc {
231	uint8_t		reserved1[3];
232	uint8_t		nsegs;
233#define WPI_PAD32(x)	(roundup2(x, 4) - (x))
234
235	struct {
236		uint32_t	addr;
237		uint32_t	len;
238	} __packed	segs[WPI_MAX_SCATTER];
239	uint8_t		reserved2[28];
240} __packed;
241
242struct wpi_tx_stat {
243	uint8_t		rtsfailcnt;
244	uint8_t		ackfailcnt;
245	uint8_t		btkillcnt;
246	uint8_t		rate;
247	uint32_t	duration;
248	uint32_t	status;
249} __packed;
250
251struct wpi_rx_desc {
252	uint32_t	len;
253	uint8_t		type;
254#define WPI_UC_READY		  1
255#define WPI_RX_DONE		 27
256#define WPI_TX_DONE		 28
257#define WPI_START_SCAN		130
258#define WPI_SCAN_RESULTS	131
259#define WPI_STOP_SCAN		132
260#define WPI_BEACON_SENT		144
261#define WPI_RX_STATISTICS	156
262#define WPI_BEACON_STATISTICS	157
263#define WPI_STATE_CHANGED	161
264#define WPI_BEACON_MISSED	162
265
266	uint8_t		flags;
267	uint8_t		idx;
268	uint8_t		qid;
269} __packed;
270
271struct wpi_rx_stat {
272	uint8_t		len;
273#define WPI_STAT_MAXLEN	20
274
275	uint8_t		id;
276	uint8_t		rssi;	/* received signal strength */
277#define WPI_RSSI_OFFSET	95
278
279	uint8_t		agc;	/* access gain control */
280	uint16_t	signal;
281	uint16_t	noise;
282} __packed;
283
284struct wpi_rx_head {
285	uint16_t	chan;
286	uint16_t	flags;
287#define WPI_STAT_FLAG_SHPREAMBLE	(1 << 2)
288
289	uint8_t		reserved;
290	uint8_t		plcp;
291	uint16_t	len;
292} __packed;
293
294struct wpi_rx_tail {
295	uint32_t	flags;
296#define WPI_RX_NO_CRC_ERR	(1 << 0)
297#define WPI_RX_NO_OVFL_ERR	(1 << 1)
298/* shortcut for the above */
299#define WPI_RX_NOERROR		(WPI_RX_NO_CRC_ERR | WPI_RX_NO_OVFL_ERR)
300#define WPI_RX_CIPHER_MASK	(7 <<  8)
301#define WPI_RX_CIPHER_CCMP	(2 <<  8)
302#define WPI_RX_DECRYPT_MASK	(3 << 11)
303#define WPI_RX_DECRYPT_OK	(3 << 11)
304
305	uint64_t	tstamp;
306	uint32_t	tbeacon;
307} __packed;
308
309struct wpi_tx_cmd {
310	uint8_t	code;
311#define WPI_CMD_RXON		 16
312#define WPI_CMD_RXON_ASSOC	 17
313#define WPI_CMD_EDCA_PARAMS	 19
314#define WPI_CMD_TIMING		 20
315#define WPI_CMD_ADD_NODE	 24
316#define WPI_CMD_DEL_NODE	 25
317#define WPI_CMD_TX_DATA		 28
318#define WPI_CMD_MRR_SETUP	 71
319#define WPI_CMD_SET_LED		 72
320#define WPI_CMD_SET_POWER_MODE	119
321#define WPI_CMD_SCAN		128
322#define WPI_CMD_SET_BEACON	145
323#define WPI_CMD_TXPOWER		151
324#define WPI_CMD_BT_COEX		155
325#define WPI_CMD_GET_STATISTICS	156
326
327	uint8_t	flags;
328	uint8_t	idx;
329	uint8_t	qid;
330	uint8_t	data[124];
331} __packed;
332
333/* Structure for command WPI_CMD_RXON. */
334struct wpi_rxon {
335	uint8_t		myaddr[IEEE80211_ADDR_LEN];
336	uint16_t	reserved1;
337	uint8_t		bssid[IEEE80211_ADDR_LEN];
338	uint16_t	reserved2;
339	uint8_t		wlap[IEEE80211_ADDR_LEN];
340	uint16_t	reserved3;
341	uint8_t		mode;
342#define WPI_MODE_HOSTAP		1
343#define WPI_MODE_STA		3
344#define WPI_MODE_IBSS		4
345#define WPI_MODE_MONITOR	6
346
347	uint8_t		air;
348	uint16_t	reserved4;
349	uint8_t		ofdm_mask;
350	uint8_t		cck_mask;
351	uint16_t	associd;
352	uint32_t	flags;
353#define WPI_RXON_24GHZ		(1 <<  0)
354#define WPI_RXON_CCK		(1 <<  1)
355#define WPI_RXON_AUTO		(1 <<  2)
356#define WPI_RXON_SHSLOT		(1 <<  4)
357#define WPI_RXON_SHPREAMBLE	(1 <<  5)
358#define WPI_RXON_NODIVERSITY	(1 <<  7)
359#define WPI_RXON_ANTENNA_A	(1 <<  8)
360#define WPI_RXON_ANTENNA_B	(1 <<  9)
361#define WPI_RXON_TSF		(1 << 15)
362#define WPI_RXON_CTS_TO_SELF	(1 << 30)
363
364	uint32_t	filter;
365#define WPI_FILTER_PROMISC	(1 << 0)
366#define WPI_FILTER_CTL		(1 << 1)
367#define WPI_FILTER_MULTICAST	(1 << 2)
368#define WPI_FILTER_NODECRYPT	(1 << 3)
369#define WPI_FILTER_BSS		(1 << 5)
370#define WPI_FILTER_BEACON	(1 << 6)
371
372	uint8_t		chan;
373	uint16_t	reserved5;
374} __packed;
375
376/* Structure for command WPI_CMD_RXON_ASSOC. */
377struct wpi_assoc {
378	uint32_t	flags;
379	uint32_t	filter;
380	uint8_t		ofdm_mask;
381	uint8_t		cck_mask;
382	uint16_t	reserved;
383} __packed;
384
385/* Structure for command WPI_CMD_EDCA_PARAMS. */
386struct wpi_edca_params {
387	uint32_t	flags;
388#define WPI_EDCA_UPDATE	(1 << 0)
389
390	struct {
391		uint16_t	cwmin;
392		uint16_t	cwmax;
393		uint8_t		aifsn;
394		uint8_t		reserved;
395		uint16_t	txoplimit;
396	} __packed	ac[WME_NUM_AC];
397} __packed;
398
399/* Structure for command WPI_CMD_TIMING. */
400struct wpi_cmd_timing {
401	uint64_t	tstamp;
402	uint16_t	bintval;
403	uint16_t	atim;
404	uint32_t	binitval;
405	uint16_t	lintval;
406	uint16_t	reserved;
407} __packed;
408
409/* Structure for command WPI_CMD_ADD_NODE. */
410struct wpi_node_info {
411	uint8_t		control;
412#define WPI_NODE_UPDATE		(1 << 0)
413
414	uint8_t		reserved1[3];
415	uint8_t		macaddr[IEEE80211_ADDR_LEN];
416	uint16_t	reserved2;
417	uint8_t		id;
418#define WPI_ID_BSS		0
419#define WPI_ID_IBSS_MIN		2
420#define WPI_ID_IBSS_MAX		23
421#define WPI_ID_BROADCAST	24
422#define WPI_ID_UNDEFINED	(uint8_t)-1
423
424	uint8_t		flags;
425#define WPI_FLAG_KEY_SET	(1 << 0)
426
427	uint16_t	reserved3;
428	uint16_t	kflags;
429#define WPI_KFLAG_CCMP		(1 <<  1)
430#define WPI_KFLAG_KID(kid)	((kid) << 8)
431#define WPI_KFLAG_MULTICAST	(1 << 14)
432
433	uint8_t		tsc2;
434	uint8_t		reserved4;
435	uint16_t	ttak[5];
436	uint16_t	reserved5;
437	uint8_t		key[IEEE80211_KEYBUF_SIZE];
438	uint32_t	action;
439#define WPI_ACTION_SET_RATE	(1 << 2)
440
441	uint32_t	mask;
442	uint16_t	tid;
443	uint8_t		plcp;
444	uint8_t		antenna;
445#define WPI_ANTENNA_A		(1 << 6)
446#define WPI_ANTENNA_B		(1 << 7)
447#define WPI_ANTENNA_BOTH	(WPI_ANTENNA_A | WPI_ANTENNA_B)
448
449	uint8_t		add_imm;
450	uint8_t		del_imm;
451	uint16_t	add_imm_start;
452} __packed;
453
454/* Structure for command WPI_CMD_DEL_NODE. */
455struct wpi_cmd_del_node {
456	uint8_t		count;
457	uint8_t		reserved1[3];
458	uint8_t		macaddr[IEEE80211_ADDR_LEN];
459	uint16_t	reserved2;
460} __packed;
461
462/* Structure for command WPI_CMD_TX_DATA. */
463struct wpi_cmd_data {
464	uint16_t	len;
465	uint16_t	lnext;
466	uint32_t	flags;
467#define WPI_TX_NEED_RTS		(1 <<  1)
468#define WPI_TX_NEED_CTS         (1 <<  2)
469#define WPI_TX_NEED_ACK		(1 <<  3)
470#define WPI_TX_FULL_TXOP	(1 <<  7)
471#define WPI_TX_BT_DISABLE	(1 << 12) 	/* bluetooth coexistence */
472#define WPI_TX_AUTO_SEQ		(1 << 13)
473#define WPI_TX_INSERT_TSTAMP	(1 << 16)
474
475	uint8_t		plcp;
476	uint8_t		id;
477	uint8_t		tid;
478	uint8_t		security;
479#define WPI_CIPHER_WEP		1
480#define WPI_CIPHER_CCMP		2
481#define WPI_CIPHER_TKIP		3
482#define WPI_CIPHER_WEP104	9
483
484	uint8_t		key[IEEE80211_KEYBUF_SIZE];
485	uint8_t		tkip[IEEE80211_WEP_MICLEN];
486	uint32_t	fnext;
487	uint32_t	lifetime;
488#define WPI_LIFETIME_INFINITE	0xffffffff
489
490	uint8_t		ofdm_mask;
491	uint8_t		cck_mask;
492	uint8_t		rts_ntries;
493	uint8_t		data_ntries;
494	uint16_t	timeout;
495	uint16_t	txop;
496} __packed;
497
498/* Structure for command WPI_CMD_SET_BEACON. */
499struct wpi_cmd_beacon {
500	uint16_t	len;
501	uint16_t	reserved1;
502	uint32_t	flags;	/* same as wpi_cmd_data */
503	uint8_t		plcp;
504	uint8_t		id;
505	uint8_t		reserved2[30];
506	uint32_t	lifetime;
507	uint8_t		ofdm_mask;
508	uint8_t		cck_mask;
509	uint16_t	reserved3[3];
510	uint16_t	tim;
511	uint8_t		timsz;
512	uint8_t		reserved4;
513} __packed;
514
515/* Structure for notification WPI_BEACON_MISSED. */
516struct wpi_beacon_missed {
517    uint32_t consecutive;
518    uint32_t total;
519    uint32_t expected;
520    uint32_t received;
521} __packed;
522
523
524/* Structure for command WPI_CMD_MRR_SETUP. */
525#define WPI_RIDX_MAX	11
526struct wpi_mrr_setup {
527	uint32_t	which;
528#define WPI_MRR_CTL	0
529#define WPI_MRR_DATA	1
530
531	struct {
532		uint8_t	plcp;
533		uint8_t	flags;
534		uint8_t	ntries;
535		uint8_t	next;
536	} __packed	rates[WPI_RIDX_MAX + 1];
537} __packed;
538
539/* Structure for command WPI_CMD_SET_LED. */
540struct wpi_cmd_led {
541	uint32_t	unit;	/* multiplier (in usecs) */
542	uint8_t		which;
543#define WPI_LED_ACTIVITY	1
544#define WPI_LED_LINK		2
545
546	uint8_t		off;
547	uint8_t		on;
548	uint8_t		reserved;
549} __packed;
550
551/* Structure for command WPI_CMD_SET_POWER_MODE. */
552struct wpi_pmgt_cmd {
553	uint16_t	flags;
554#define WPI_PS_ALLOW_SLEEP	(1 << 0)
555#define WPI_PS_NOTIFY		(1 << 1)
556#define WPI_PS_SLEEP_OVER_DTIM	(1 << 2)
557#define WPI_PS_PCI_PMGT		(1 << 3)
558
559	uint8_t		reserved[2];
560	uint32_t	rxtimeout;
561	uint32_t	txtimeout;
562	uint32_t	intval[5];
563} __packed;
564
565/* Structures for command WPI_CMD_SCAN. */
566#define WPI_SCAN_MAX_ESSIDS	4
567struct wpi_scan_essid {
568	uint8_t	id;
569	uint8_t	len;
570	uint8_t	data[IEEE80211_NWID_LEN];
571} __packed;
572
573struct wpi_scan_hdr {
574	uint16_t	len;
575	uint8_t		reserved1;
576	uint8_t		nchan;
577	uint16_t	quiet_time;
578	uint16_t	quiet_threshold;
579	uint16_t	crc_threshold;
580	uint16_t	reserved2;
581	uint32_t	max_svc;	/* background scans */
582	uint32_t	pause_svc;	/* background scans */
583	uint32_t	flags;
584	uint32_t	filter;
585
586	/* Followed by a struct wpi_cmd_data. */
587	/* Followed by an array of 4 structs wpi_scan_essid. */
588	/* Followed by probe request body. */
589	/* Followed by an array of ``nchan'' structs wpi_scan_chan. */
590} __packed;
591
592struct wpi_scan_chan {
593	uint8_t		flags;
594#define WPI_CHAN_ACTIVE		(1 << 0)
595#define WPI_CHAN_NPBREQS(x)	(((1 << (x)) - 1) << 1)
596
597	uint8_t		chan;
598	uint8_t		rf_gain;
599	uint8_t		dsp_gain;
600	uint16_t	active;		/* msecs */
601	uint16_t	passive;	/* msecs */
602} __packed;
603
604#define WPI_SCAN_CRC_TH_DEFAULT		htole16(1)
605#define WPI_SCAN_CRC_TH_NEVER		htole16(0xffff)
606
607/* Maximum size of a scan command. */
608#define WPI_SCAN_MAXSZ	(MCLBYTES - 4)
609
610#define WPI_ACTIVE_DWELL_TIME_2GHZ	(30)	/* all times in msec */
611#define WPI_ACTIVE_DWELL_TIME_5GHZ	(20)
612#define WPI_ACTIVE_DWELL_FACTOR_2GHZ	( 3)
613#define WPI_ACTIVE_DWELL_FACTOR_5GHZ	( 2)
614
615#define WPI_PASSIVE_DWELL_TIME_2GHZ	( 20)
616#define WPI_PASSIVE_DWELL_TIME_5GHZ	( 10)
617#define WPI_PASSIVE_DWELL_BASE		(100)
618
619/* Structure for command WPI_CMD_TXPOWER. */
620struct wpi_cmd_txpower {
621	uint8_t		band;
622#define WPI_BAND_5GHZ	0
623#define WPI_BAND_2GHZ	1
624
625	uint8_t		reserved;
626	uint16_t	chan;
627
628	struct {
629		uint8_t	plcp;
630		uint8_t	rf_gain;
631		uint8_t	dsp_gain;
632		uint8_t	reserved;
633	} __packed	rates[WPI_RIDX_MAX + 1];
634
635} __packed;
636
637/* Structure for command WPI_CMD_BT_COEX. */
638struct wpi_bluetooth {
639	uint8_t		flags;
640#define WPI_BT_COEX_DISABLE	0
641#define WPI_BT_COEX_MODE_2WIRE	1
642#define WPI_BT_COEX_MODE_3WIRE	2
643#define WPI_BT_COEX_MODE_4WIRE	3
644
645	uint8_t		lead_time;
646#define WPI_BT_LEAD_TIME_DEF	30
647
648	uint8_t		max_kill;
649#define WPI_BT_MAX_KILL_DEF	5
650
651	uint8_t		reserved;
652	uint32_t	kill_ack;
653	uint32_t	kill_cts;
654} __packed;
655
656/* Structure for WPI_UC_READY notification. */
657struct wpi_ucode_info {
658	uint8_t		minor;
659	uint8_t		major;
660	uint16_t	reserved1;
661	uint8_t		revision[8];
662	uint8_t		type;
663	uint8_t		subtype;
664	uint16_t	reserved2;
665	uint32_t	logptr;
666	uint32_t	errptr;
667	uint32_t	tstamp;
668	uint32_t	valid;
669} __packed;
670
671/* Structure for WPI_START_SCAN notification. */
672struct wpi_start_scan {
673	uint64_t	tstamp;
674	uint32_t	tbeacon;
675	uint8_t		chan;
676	uint8_t		band;
677	uint16_t	reserved;
678	uint32_t	status;
679} __packed;
680
681/* Structure for WPI_STOP_SCAN notification. */
682struct wpi_stop_scan {
683	uint8_t		nchan;
684	uint8_t		status;
685	uint8_t		reserved;
686	uint8_t		chan;
687	uint64_t	tsf;
688} __packed;
689
690/* Structures for WPI_{RX,BEACON}_STATISTICS notification. */
691struct wpi_rx_phy_stats {
692	uint32_t	ina;
693	uint32_t	fina;
694	uint32_t	bad_plcp;
695	uint32_t	bad_crc32;
696	uint32_t	overrun;
697	uint32_t	eoverrun;
698	uint32_t	good_crc32;
699	uint32_t	fa;
700	uint32_t	bad_fina_sync;
701	uint32_t	sfd_timeout;
702	uint32_t	fina_timeout;
703	uint32_t	no_rts_ack;
704	uint32_t	rxe_limit;
705	uint32_t	ack;
706	uint32_t	cts;
707} __packed;
708
709struct wpi_rx_general_stats {
710	uint32_t	bad_cts;
711	uint32_t	bad_ack;
712	uint32_t	not_bss;
713	uint32_t	filtered;
714	uint32_t	bad_chan;
715} __packed;
716
717struct wpi_rx_stats {
718	struct wpi_rx_phy_stats		ofdm;
719	struct wpi_rx_phy_stats		cck;
720	struct wpi_rx_general_stats	general;
721} __packed;
722
723struct wpi_tx_stats {
724	uint32_t	preamble;
725	uint32_t	rx_detected;
726	uint32_t	bt_defer;
727	uint32_t	bt_kill;
728	uint32_t	short_len;
729	uint32_t	cts_timeout;
730	uint32_t	ack_timeout;
731	uint32_t	exp_ack;
732	uint32_t	ack;
733} __packed;
734
735struct wpi_general_stats {
736	uint32_t	temp;
737	uint32_t	burst_check;
738	uint32_t	burst;
739	uint32_t	reserved[4];
740	uint32_t	sleep;
741	uint32_t	slot_out;
742	uint32_t	slot_idle;
743	uint32_t	ttl_tstamp;
744	uint32_t	tx_ant_a;
745	uint32_t	tx_ant_b;
746	uint32_t	exec;
747	uint32_t	probe;
748} __packed;
749
750struct wpi_stats {
751	uint32_t			flags;
752	struct wpi_rx_stats		rx;
753	struct wpi_tx_stats		tx;
754	struct wpi_general_stats	general;
755} __packed;
756
757/* Possible flags for command WPI_CMD_GET_STATISTICS. */
758#define WPI_STATISTICS_BEACON_DISABLE	(1 << 1)
759
760
761/* Firmware error dump entry. */
762struct wpi_fw_dump {
763	uint32_t	desc;
764	uint32_t	time;
765	uint32_t	blink[2];
766	uint32_t	ilink[2];
767	uint32_t	data;
768} __packed;
769
770/* Firmware image file header. */
771struct wpi_firmware_hdr {
772
773#define WPI_FW_MINVERSION 2144
774#define WPI_FW_NAME "wpifw"
775
776	uint16_t	driver;
777	uint8_t		minor;
778	uint8_t		major;
779	uint32_t	rtextsz;
780	uint32_t	rdatasz;
781	uint32_t	itextsz;
782	uint32_t	idatasz;
783	uint32_t	btextsz;
784} __packed;
785
786#define WPI_FW_TEXT_MAXSZ	 ( 80 * 1024 )
787#define WPI_FW_DATA_MAXSZ	 ( 32 * 1024 )
788#define WPI_FW_BOOT_TEXT_MAXSZ		1024
789
790#define WPI_FW_UPDATED	(1U << 31 )
791
792/*
793 * Offsets into EEPROM.
794 */
795#define WPI_EEPROM_MAC		0x015
796#define WPI_EEPROM_REVISION	0x035
797#define WPI_EEPROM_SKU_CAP	0x045
798#define WPI_EEPROM_TYPE		0x04a
799#define WPI_EEPROM_DOMAIN	0x060
800#define WPI_EEPROM_BAND1	0x063
801#define WPI_EEPROM_BAND2	0x072
802#define WPI_EEPROM_BAND3	0x080
803#define WPI_EEPROM_BAND4	0x08d
804#define WPI_EEPROM_BAND5	0x099
805#define WPI_EEPROM_POWER_GRP	0x100
806
807struct wpi_eeprom_chan {
808	uint8_t	flags;
809#define WPI_EEPROM_CHAN_VALID	(1 << 0)
810#define	WPI_EEPROM_CHAN_IBSS	(1 << 1)
811#define WPI_EEPROM_CHAN_ACTIVE	(1 << 3)
812#define WPI_EEPROM_CHAN_RADAR	(1 << 4)
813
814	int8_t	maxpwr;
815} __packed;
816
817struct wpi_eeprom_sample {
818	uint8_t		index;
819	int8_t		power;
820	uint16_t	volt;
821} __packed;
822
823#define WPI_POWER_GROUPS_COUNT	5
824struct wpi_eeprom_group {
825	struct		wpi_eeprom_sample samples[5];
826	int32_t		coef[5];
827	int32_t		corr[5];
828	int8_t		maxpwr;
829	uint8_t		chan;
830	int16_t		temp;
831} __packed;
832
833#define WPI_CHAN_BANDS_COUNT	 5
834#define WPI_MAX_CHAN_PER_BAND	14
835static const struct wpi_chan_band {
836	uint32_t	addr;	/* offset in EEPROM */
837	uint8_t		nchan;
838	uint8_t		chan[WPI_MAX_CHAN_PER_BAND];
839} wpi_bands[] = {
840	/* 20MHz channels, 2GHz band. */
841	{ WPI_EEPROM_BAND1, 14,
842	    { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 } },
843	/* 20MHz channels, 5GHz band. */
844	{ WPI_EEPROM_BAND2, 13,
845	    { 183, 184, 185, 187, 188, 189, 192, 196, 7, 8, 11, 12, 16 } },
846	{ WPI_EEPROM_BAND3, 12,
847	    { 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 } },
848	{ WPI_EEPROM_BAND4, 11,
849	    { 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 } },
850	{ WPI_EEPROM_BAND5, 6,
851	    { 145, 149, 153, 157, 161, 165 } }
852};
853
854/* HW rate indices. */
855#define WPI_RIDX_OFDM6	 0
856#define WPI_RIDX_OFDM36	 5
857#define WPI_RIDX_OFDM48	 6
858#define WPI_RIDX_OFDM54	 7
859#define WPI_RIDX_CCK1	 8
860#define WPI_RIDX_CCK2	 9
861#define WPI_RIDX_CCK11	11
862
863static const uint8_t wpi_ridx_to_plcp[] = {
864	/* OFDM: IEEE Std 802.11a-1999, pp. 14 Table 80 */
865	/* R1-R4 (ral/ural is R4-R1) */
866	0xd, 0xf, 0x5, 0x7, 0x9, 0xb, 0x1, 0x3,
867	/* CCK: device-dependent */
868	10, 20, 55, 110
869};
870
871#define WPI_MAX_PWR_INDEX	77
872
873/*
874 * RF Tx gain values from highest to lowest power (values obtained from
875 * the reference driver.)
876 */
877static const uint8_t wpi_rf_gain_2ghz[WPI_MAX_PWR_INDEX + 1] = {
878	0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xbb, 0xbb, 0xbb,
879	0xbb, 0xf3, 0xf3, 0xf3, 0xf3, 0xf3, 0xd3, 0xd3, 0xb3, 0xb3, 0xb3,
880	0x93, 0x93, 0x93, 0x93, 0x93, 0x93, 0x93, 0x73, 0xeb, 0xeb, 0xeb,
881	0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xab, 0xab, 0xab, 0x8b,
882	0xe3, 0xe3, 0xe3, 0xe3, 0xe3, 0xe3, 0xc3, 0xc3, 0xc3, 0xc3, 0xa3,
883	0xa3, 0xa3, 0xa3, 0x83, 0x83, 0x83, 0x83, 0x63, 0x63, 0x63, 0x63,
884	0x43, 0x43, 0x43, 0x43, 0x23, 0x23, 0x23, 0x23, 0x03, 0x03, 0x03,
885	0x03
886};
887
888static const uint8_t wpi_rf_gain_5ghz[WPI_MAX_PWR_INDEX + 1] = {
889	0xfb, 0xfb, 0xfb, 0xdb, 0xdb, 0xbb, 0xbb, 0x9b, 0x9b, 0x7b, 0x7b,
890	0x7b, 0x7b, 0x5b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x1b, 0x1b,
891	0x1b, 0x73, 0x73, 0x73, 0x53, 0x53, 0x53, 0x53, 0x53, 0x33, 0x33,
892	0x33, 0x33, 0x13, 0x13, 0x13, 0x13, 0x13, 0xab, 0xab, 0xab, 0x8b,
893	0x8b, 0x8b, 0x8b, 0x6b, 0x6b, 0x6b, 0x6b, 0x4b, 0x4b, 0x4b, 0x4b,
894	0x2b, 0x2b, 0x2b, 0x2b, 0x0b, 0x0b, 0x0b, 0x0b, 0x83, 0x83, 0x63,
895	0x63, 0x63, 0x63, 0x43, 0x43, 0x43, 0x43, 0x23, 0x23, 0x23, 0x23,
896	0x03
897};
898
899/*
900 * DSP pre-DAC gain values from highest to lowest power (values obtained
901 * from the reference driver.)
902 */
903static const uint8_t wpi_dsp_gain_2ghz[WPI_MAX_PWR_INDEX + 1] = {
904	0x7f, 0x7f, 0x7f, 0x7f, 0x7d, 0x6e, 0x69, 0x62, 0x7d, 0x73, 0x6c,
905	0x63, 0x77, 0x6f, 0x69, 0x61, 0x5c, 0x6a, 0x64, 0x78, 0x71, 0x6b,
906	0x7d, 0x77, 0x70, 0x6a, 0x65, 0x61, 0x5b, 0x6b, 0x79, 0x73, 0x6d,
907	0x7f, 0x79, 0x73, 0x6c, 0x66, 0x60, 0x5c, 0x6e, 0x68, 0x62, 0x74,
908	0x7d, 0x77, 0x71, 0x6b, 0x65, 0x60, 0x71, 0x6a, 0x66, 0x5f, 0x71,
909	0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66, 0x5f,
910	0x71, 0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66,
911	0x5f
912};
913
914static const uint8_t wpi_dsp_gain_5ghz[WPI_MAX_PWR_INDEX + 1] = {
915	0x7f, 0x78, 0x72, 0x77, 0x65, 0x71, 0x66, 0x72, 0x67, 0x75, 0x6b,
916	0x63, 0x5c, 0x6c, 0x7d, 0x76, 0x6d, 0x66, 0x60, 0x5a, 0x68, 0x62,
917	0x5c, 0x76, 0x6f, 0x68, 0x7e, 0x79, 0x71, 0x69, 0x63, 0x76, 0x6f,
918	0x68, 0x62, 0x74, 0x6d, 0x66, 0x62, 0x5d, 0x71, 0x6b, 0x63, 0x78,
919	0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63,
920	0x78, 0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63, 0x6b, 0x63, 0x78,
921	0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63,
922	0x78
923};
924
925/*
926 * Power saving settings (values obtained from the reference driver.)
927 */
928#define WPI_NDTIMRANGES		2
929#define WPI_NPOWERLEVELS	6
930static const struct wpi_pmgt {
931	uint32_t	rxtimeout;
932	uint32_t	txtimeout;
933	uint32_t	intval[5];
934	int		skip_dtim;
935} wpi_pmgt[WPI_NDTIMRANGES][WPI_NPOWERLEVELS] = {
936	/* DTIM <= 10 */
937	{
938	{   0,   0, {  0,  0,  0,  0,  0 }, 0 },	/* CAM */
939	{ 200, 500, {  1,  2,  3,  4,  4 }, 0 },	/* PS level 1 */
940	{ 200, 300, {  2,  4,  6,  7,  7 }, 0 },	/* PS level 2 */
941	{  50, 100, {  2,  6,  9,  9, 10 }, 0 },	/* PS level 3 */
942	{  50,  25, {  2,  7,  9,  9, 10 }, 1 },	/* PS level 4 */
943	{  25,  25, {  4,  7, 10, 10, 10 }, 1 }		/* PS level 5 */
944	},
945	/* DTIM >= 11 */
946	{
947	{   0,   0, {  0,  0,  0,  0,  0 }, 0 },	/* CAM */
948	{ 200, 500, {  1,  2,  3,  4, -1 }, 0 },	/* PS level 1 */
949	{ 200, 300, {  2,  4,  6,  7, -1 }, 0 },	/* PS level 2 */
950	{  50, 100, {  2,  6,  9,  9, -1 }, 0 },	/* PS level 3 */
951	{  50,  25, {  2,  7,  9,  9, -1 }, 0 },	/* PS level 4 */
952	{  25,  25, {  4,  7, 10, 10, -1 }, 0 }		/* PS level 5 */
953	}
954};
955
956/* Firmware errors. */
957static const char * const wpi_fw_errmsg[] = {
958	"OK",
959	"FAIL",
960	"BAD_PARAM",
961	"BAD_CHECKSUM",
962	"NMI_INTERRUPT",
963	"SYSASSERT",
964	"FATAL_ERROR"
965};
966
967/* XXX description for some error codes (error data). */
968/* 0x00000074 - wrong totlen field */
969/* 0x000003B3 - powersave error */
970/* 0x00000447 - wrong channel selected */
971
972#define WPI_READ(sc, reg)						\
973	bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
974
975#define WPI_WRITE(sc, reg, val)						\
976	bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
977
978#define WPI_WRITE_REGION_4(sc, offset, datap, count)			\
979	bus_space_write_region_4((sc)->sc_st, (sc)->sc_sh, (offset),	\
980	    (datap), (count))
981
982#define WPI_SETBITS(sc, reg, mask)					\
983	WPI_WRITE(sc, reg, WPI_READ(sc, reg) | (mask))
984
985#define WPI_CLRBITS(sc, reg, mask)					\
986	WPI_WRITE(sc, reg, WPI_READ(sc, reg) & ~(mask))
987
988#define WPI_BARRIER_WRITE(sc)						\
989	bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)->sc_sz,	\
990	    BUS_SPACE_BARRIER_WRITE)
991
992#define WPI_BARRIER_READ_WRITE(sc)					\
993	bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)->sc_sz,	\
994	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE)
995