1/*	$FreeBSD$	*/
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 * NIC internal memory offsets.
97 */
98#define WPI_ALM_SCHED_MODE		0x2e00
99#define WPI_ALM_SCHED_ARASTAT		0x2e04
100#define WPI_ALM_SCHED_TXFACT		0x2e10
101#define WPI_ALM_SCHED_TXF4MF		0x2e14
102#define WPI_ALM_SCHED_TXF5MF		0x2e20
103#define WPI_ALM_SCHED_SBYPASS_MODE1	0x2e2c
104#define WPI_ALM_SCHED_SBYPASS_MODE2	0x2e30
105#define WPI_APMG_CLK_CTRL		0x3000
106#define WPI_APMG_CLK_EN			0x3004
107#define WPI_APMG_CLK_DIS		0x3008
108#define WPI_APMG_PS			0x300c
109#define WPI_APMG_PCI_STT		0x3010
110#define WPI_APMG_RFKILL			0x3014
111#define WPI_BSM_WR_CTRL			0x3400
112#define WPI_BSM_WR_MEM_SRC		0x3404
113#define WPI_BSM_WR_MEM_DST		0x3408
114#define WPI_BSM_WR_DWCOUNT		0x340c
115#define WPI_BSM_DRAM_TEXT_ADDR		0x3490
116#define WPI_BSM_DRAM_TEXT_SIZE		0x3494
117#define WPI_BSM_DRAM_DATA_ADDR		0x3498
118#define WPI_BSM_DRAM_DATA_SIZE		0x349c
119#define WPI_BSM_SRAM_BASE		0x3800
120
121/* Possible flags for register WPI_HW_IF_CONFIG. */
122#define WPI_HW_IF_CONFIG_ALM_MB		(1 << 8)
123#define WPI_HW_IF_CONFIG_ALM_MM		(1 << 9)
124#define WPI_HW_IF_CONFIG_SKU_MRC	(1 << 10)
125#define WPI_HW_IF_CONFIG_REV_D		(1 << 11)
126#define WPI_HW_IF_CONFIG_TYPE_B		(1 << 12)
127
128/* Possible flags for registers WPI_PRPH_RADDR/WPI_PRPH_WADDR. */
129#define WPI_PRPH_DWORD	((sizeof (uint32_t) - 1) << 24)
130
131/* Possible values for WPI_BSM_WR_MEM_DST. */
132#define WPI_FW_TEXT_BASE	0x00000000
133#define WPI_FW_DATA_BASE	0x00800000
134
135/* Possible flags for WPI_GPIO_IN. */
136#define WPI_GPIO_IN_VMAIN	(1 << 9)
137
138/* Possible flags for register WPI_RESET. */
139#define WPI_RESET_NEVO			(1 << 0)
140#define WPI_RESET_SW			(1 << 7)
141#define WPI_RESET_MASTER_DISABLED	(1 << 8)
142#define WPI_RESET_STOP_MASTER		(1 << 9)
143
144/* Possible flags for register WPI_GP_CNTRL. */
145#define WPI_GP_CNTRL_MAC_ACCESS_ENA	(1 <<  0)
146#define WPI_GP_CNTRL_MAC_CLOCK_READY	(1 <<  0)
147#define WPI_GP_CNTRL_INIT_DONE		(1 <<  2)
148#define WPI_GP_CNTRL_MAC_ACCESS_REQ	(1 <<  3)
149#define WPI_GP_CNTRL_SLEEP		(1 <<  4)
150#define WPI_GP_CNTRL_PS_MASK		(7 << 24)
151#define WPI_GP_CNTRL_MAC_PS		(4 << 24)
152#define WPI_GP_CNTRL_RFKILL		(1 << 27)
153
154/* Possible flags for register WPI_GIO_CHICKEN. */
155#define WPI_GIO_CHICKEN_L1A_NO_L0S_RX	(1 << 23)
156#define WPI_GIO_CHICKEN_DIS_L0S_TIMER	(1 << 29)
157
158/* Possible flags for register WPI_GIO. */
159#define WPI_GIO_L0S_ENA			(1 << 1)
160
161/* Possible flags for register WPI_FH_RX_CONFIG. */
162#define WPI_FH_RX_CONFIG_DMA_ENA	(1U  << 31)
163#define WPI_FH_RX_CONFIG_RDRBD_ENA	(1   << 29)
164#define WPI_FH_RX_CONFIG_WRSTATUS_ENA	(1   << 27)
165#define WPI_FH_RX_CONFIG_MAXFRAG	(1   << 24)
166#define WPI_FH_RX_CONFIG_NRBD(x)	((x) << 20)
167#define WPI_FH_RX_CONFIG_IRQ_DST_HOST	(1   << 12)
168#define WPI_FH_RX_CONFIG_IRQ_TIMEOUT(x)	((x) <<  4)
169
170/* Possible flags for register WPI_ANA_PLL. */
171#define WPI_ANA_PLL_INIT	(1 << 24)
172
173/* Possible flags for register WPI_UCODE_GP1*. */
174#define WPI_UCODE_GP1_MAC_SLEEP		(1 << 0)
175#define WPI_UCODE_GP1_RFKILL		(1 << 1)
176#define WPI_UCODE_GP1_CMD_BLOCKED	(1 << 2)
177
178/* Possible flags for register WPI_FH_RX_STATUS. */
179#define	WPI_FH_RX_STATUS_IDLE	(1 << 24)
180
181/* Possible flags for register WPI_BSM_WR_CTRL. */
182#define WPI_BSM_WR_CTRL_START_EN	(1  << 30)
183#define WPI_BSM_WR_CTRL_START		(1U << 31)
184
185/* Possible flags for register WPI_INT. */
186#define WPI_INT_ALIVE		(1  <<  0)
187#define WPI_INT_WAKEUP		(1  <<  1)
188#define WPI_INT_SW_RX		(1  <<  3)
189#define WPI_INT_SW_ERR		(1  << 25)
190#define WPI_INT_FH_TX		(1  << 27)
191#define WPI_INT_HW_ERR		(1  << 29)
192#define WPI_INT_FH_RX		(1U << 31)
193
194/* Shortcut. */
195#define WPI_INT_MASK_DEF					\
196	(WPI_INT_SW_ERR | WPI_INT_HW_ERR | WPI_INT_FH_TX  |	\
197	 WPI_INT_FH_RX  | WPI_INT_ALIVE  | WPI_INT_WAKEUP |	\
198	 WPI_INT_SW_RX)
199
200/* Possible flags for register WPI_FH_INT. */
201#define WPI_FH_INT_RX_CHNL(x)	(1 << ((x) + 16))
202#define WPI_FH_INT_HI_PRIOR	(1 << 30)
203/* Shortcuts for the above. */
204#define WPI_FH_INT_RX			\
205	(WPI_FH_INT_RX_CHNL(0) |	\
206	 WPI_FH_INT_RX_CHNL(1) |	\
207	 WPI_FH_INT_RX_CHNL(2) |	\
208	 WPI_FH_INT_HI_PRIOR)
209
210/* Possible flags for register WPI_FH_TX_STATUS. */
211#define WPI_FH_TX_STATUS_IDLE(qid)	\
212	(1 << ((qid) + 24) | 1 << ((qid) + 16))
213
214/* Possible flags for register WPI_EEPROM. */
215#define WPI_EEPROM_READ_VALID	(1 << 0)
216
217/* Possible flags for register WPI_EEPROM_GP. */
218#define WPI_EEPROM_VERSION	0x00000007
219#define WPI_EEPROM_GP_IF_OWNER	0x00000180
220
221/* Possible flags for register WPI_APMG_PS. */
222#define WPI_APMG_PS_PWR_SRC_MASK	(3 << 24)
223
224/* Possible flags for registers WPI_APMG_CLK_*. */
225#define WPI_APMG_CLK_CTRL_DMA_CLK_RQT	(1 <<  9)
226#define WPI_APMG_CLK_CTRL_BSM_CLK_RQT	(1 << 11)
227
228/* Possible flags for register WPI_APMG_PCI_STT. */
229#define WPI_APMG_PCI_STT_L1A_DIS	(1 << 11)
230
231struct wpi_shared {
232	uint32_t	txbase[WPI_NTXQUEUES];
233	uint32_t	next;
234	uint32_t	reserved[2];
235} __packed;
236
237#define WPI_MAX_SEG_LEN	65520
238struct wpi_tx_desc {
239	uint8_t		reserved1[3];
240	uint8_t		nsegs;
241#define WPI_PAD32(x)	(roundup2(x, 4) - (x))
242
243	struct {
244		uint32_t	addr;
245		uint32_t	len;
246	} __packed	segs[WPI_MAX_SCATTER];
247	uint8_t		reserved2[28];
248} __packed;
249
250struct wpi_tx_stat {
251	uint8_t		rtsfailcnt;
252	uint8_t		ackfailcnt;
253	uint8_t		btkillcnt;
254	uint8_t		rate;
255	uint32_t	duration;
256	uint32_t	status;
257#define WPI_TX_STATUS_SUCCESS			0x01
258#define WPI_TX_STATUS_DIRECT_DONE		0x02
259#define WPI_TX_STATUS_FAIL			0x80
260#define WPI_TX_STATUS_FAIL_SHORT_LIMIT		0x82
261#define WPI_TX_STATUS_FAIL_LONG_LIMIT		0x83
262#define WPI_TX_STATUS_FAIL_FIFO_UNDERRUN	0x84
263#define WPI_TX_STATUS_FAIL_MGMNT_ABORT		0x85
264#define WPI_TX_STATUS_FAIL_NEXT_FRAG		0x86
265#define WPI_TX_STATUS_FAIL_LIFE_EXPIRE		0x87
266#define WPI_TX_STATUS_FAIL_NODE_PS		0x88
267#define WPI_TX_STATUS_FAIL_ABORTED		0x89
268#define WPI_TX_STATUS_FAIL_BT_RETRY		0x8a
269#define WPI_TX_STATUS_FAIL_NODE_INVALID		0x8b
270#define WPI_TX_STATUS_FAIL_FRAG_DROPPED		0x8c
271#define WPI_TX_STATUS_FAIL_TID_DISABLE		0x8d
272#define WPI_TX_STATUS_FAIL_FRAME_FLUSHED	0x8e
273#define WPI_TX_STATUS_FAIL_INSUFFICIENT_CF_POLL	0x8f
274#define WPI_TX_STATUS_FAIL_TX_LOCKED		0x90
275#define WPI_TX_STATUS_FAIL_NO_BEACON_ON_RADAR	0x91
276
277} __packed;
278
279struct wpi_rx_desc {
280	uint32_t	len;
281	uint8_t		type;
282#define WPI_UC_READY		  1
283#define WPI_RX_DONE		 27
284#define WPI_TX_DONE		 28
285#define WPI_START_SCAN		130
286#define WPI_SCAN_RESULTS	131
287#define WPI_STOP_SCAN		132
288#define WPI_BEACON_SENT		144
289#define WPI_RX_STATISTICS	156
290#define WPI_BEACON_STATISTICS	157
291#define WPI_STATE_CHANGED	161
292#define WPI_BEACON_MISSED	162
293
294	uint8_t		flags;
295	uint8_t		idx;
296	uint8_t		qid;
297} __packed;
298
299#define WPI_RX_DESC_QID_MSK		0x07
300#define WPI_UNSOLICITED_RX_NOTIF	0x80
301
302struct wpi_rx_stat {
303	uint8_t		len;
304#define WPI_STAT_MAXLEN	20
305
306	uint8_t		id;
307	uint8_t		rssi;	/* received signal strength */
308#define WPI_RSSI_OFFSET	-95
309
310	uint8_t		agc;	/* access gain control */
311	uint16_t	signal;
312	uint16_t	noise;
313} __packed;
314
315struct wpi_rx_head {
316	uint16_t	chan;
317	uint16_t	flags;
318#define WPI_STAT_FLAG_SHPREAMBLE	(1 << 2)
319
320	uint8_t		reserved;
321	uint8_t		plcp;
322	uint16_t	len;
323} __packed;
324
325struct wpi_rx_tail {
326	uint32_t	flags;
327#define WPI_RX_NO_CRC_ERR	(1 << 0)
328#define WPI_RX_NO_OVFL_ERR	(1 << 1)
329/* shortcut for the above */
330#define WPI_RX_NOERROR		(WPI_RX_NO_CRC_ERR | WPI_RX_NO_OVFL_ERR)
331#define WPI_RX_CIPHER_MASK	(7 <<  8)
332#define WPI_RX_CIPHER_CCMP	(2 <<  8)
333#define WPI_RX_DECRYPT_MASK	(3 << 11)
334#define WPI_RX_DECRYPT_OK	(3 << 11)
335
336	uint64_t	tstamp;
337	uint32_t	tbeacon;
338} __packed;
339
340struct wpi_tx_cmd {
341	uint8_t	code;
342#define WPI_CMD_RXON		 16
343#define WPI_CMD_RXON_ASSOC	 17
344#define WPI_CMD_EDCA_PARAMS	 19
345#define WPI_CMD_TIMING		 20
346#define WPI_CMD_ADD_NODE	 24
347#define WPI_CMD_DEL_NODE	 25
348#define WPI_CMD_TX_DATA		 28
349#define WPI_CMD_MRR_SETUP	 71
350#define WPI_CMD_SET_LED		 72
351#define WPI_CMD_SET_POWER_MODE	119
352#define WPI_CMD_SCAN		128
353#define WPI_CMD_SCAN_ABORT	129
354#define WPI_CMD_SET_BEACON	145
355#define WPI_CMD_TXPOWER		151
356#define WPI_CMD_BT_COEX		155
357#define WPI_CMD_GET_STATISTICS	156
358
359	uint8_t	flags;
360	uint8_t	idx;
361	uint8_t	qid;
362	uint8_t	data[124];
363} __packed;
364
365/* Structure for command WPI_CMD_RXON. */
366struct wpi_rxon {
367	uint8_t		myaddr[IEEE80211_ADDR_LEN];
368	uint16_t	reserved1;
369	uint8_t		bssid[IEEE80211_ADDR_LEN];
370	uint16_t	reserved2;
371	uint8_t		wlap[IEEE80211_ADDR_LEN];
372	uint16_t	reserved3;
373	uint8_t		mode;
374#define WPI_MODE_HOSTAP		1
375#define WPI_MODE_STA		3
376#define WPI_MODE_IBSS		4
377#define WPI_MODE_MONITOR	6
378
379	uint8_t		air;
380	uint16_t	reserved4;
381	uint8_t		ofdm_mask;
382	uint8_t		cck_mask;
383	uint16_t	associd;
384	uint32_t	flags;
385#define WPI_RXON_24GHZ		(1 <<  0)
386#define WPI_RXON_CCK		(1 <<  1)
387#define WPI_RXON_AUTO		(1 <<  2)
388#define WPI_RXON_SHSLOT		(1 <<  4)
389#define WPI_RXON_SHPREAMBLE	(1 <<  5)
390#define WPI_RXON_NODIVERSITY	(1 <<  7)
391#define WPI_RXON_ANTENNA_A	(1 <<  8)
392#define WPI_RXON_ANTENNA_B	(1 <<  9)
393#define WPI_RXON_TSF		(1 << 15)
394#define WPI_RXON_CTS_TO_SELF	(1 << 30)
395
396	uint32_t	filter;
397#define WPI_FILTER_PROMISC	(1 << 0)
398#define WPI_FILTER_CTL		(1 << 1)
399#define WPI_FILTER_MULTICAST	(1 << 2)
400#define WPI_FILTER_NODECRYPT	(1 << 3)
401#define WPI_FILTER_BSS		(1 << 5)
402#define WPI_FILTER_BEACON	(1 << 6)
403#define WPI_FILTER_ASSOC	(1 << 7)    /* Accept associaton requests. */
404
405	uint8_t		chan;
406	uint16_t	reserved5;
407} __packed;
408
409/* Structure for command WPI_CMD_RXON_ASSOC. */
410struct wpi_assoc {
411	uint32_t	flags;
412	uint32_t	filter;
413	uint8_t		ofdm_mask;
414	uint8_t		cck_mask;
415	uint16_t	reserved;
416} __packed;
417
418/* Structure for command WPI_CMD_EDCA_PARAMS. */
419struct wpi_edca_params {
420	uint32_t	flags;
421#define WPI_EDCA_UPDATE	(1 << 0)
422
423	struct {
424		uint16_t	cwmin;
425		uint16_t	cwmax;
426		uint8_t		aifsn;
427		uint8_t		reserved;
428		uint16_t	txoplimit;
429	} __packed	ac[WME_NUM_AC];
430} __packed;
431
432/* Structure for command WPI_CMD_TIMING. */
433struct wpi_cmd_timing {
434	uint64_t	tstamp;
435	uint16_t	bintval;
436	uint16_t	atim;
437	uint32_t	binitval;
438	uint16_t	lintval;
439	uint16_t	reserved;
440} __packed;
441
442/* Structure for command WPI_CMD_ADD_NODE. */
443struct wpi_node_info {
444	uint8_t		control;
445#define WPI_NODE_UPDATE		(1 << 0)
446
447	uint8_t		reserved1[3];
448	uint8_t		macaddr[IEEE80211_ADDR_LEN];
449	uint16_t	reserved2;
450	uint8_t		id;
451#define WPI_ID_BSS		0
452#define WPI_ID_IBSS_MIN		2
453#define WPI_ID_IBSS_MAX		23
454#define WPI_ID_BROADCAST	24
455#define WPI_ID_UNDEFINED	(uint8_t)-1
456
457	uint8_t		flags;
458#define WPI_FLAG_KEY_SET	(1 << 0)
459
460	uint16_t	reserved3;
461	uint16_t	kflags;
462#define WPI_KFLAG_CCMP		(1 <<  1)
463#define WPI_KFLAG_KID(kid)	((kid) << 8)
464#define WPI_KFLAG_MULTICAST	(1 << 14)
465
466	uint8_t		tsc2;
467	uint8_t		reserved4;
468	uint16_t	ttak[5];
469	uint16_t	reserved5;
470	uint8_t		key[IEEE80211_KEYBUF_SIZE];
471	uint32_t	action;
472#define WPI_ACTION_SET_RATE	(1 << 2)
473
474	uint32_t	mask;
475	uint16_t	tid;
476	uint8_t		plcp;
477	uint8_t		antenna;
478#define WPI_ANTENNA_A		(1 << 6)
479#define WPI_ANTENNA_B		(1 << 7)
480#define WPI_ANTENNA_BOTH	(WPI_ANTENNA_A | WPI_ANTENNA_B)
481
482	uint8_t		add_imm;
483	uint8_t		del_imm;
484	uint16_t	add_imm_start;
485} __packed;
486
487/* Structure for command WPI_CMD_DEL_NODE. */
488struct wpi_cmd_del_node {
489	uint8_t		count;
490	uint8_t		reserved1[3];
491	uint8_t		macaddr[IEEE80211_ADDR_LEN];
492	uint16_t	reserved2;
493} __packed;
494
495/* Structure for command WPI_CMD_TX_DATA. */
496struct wpi_cmd_data {
497	uint16_t	len;
498	uint16_t	lnext;
499	uint32_t	flags;
500#define WPI_TX_NEED_RTS		(1 <<  1)
501#define WPI_TX_NEED_CTS		(1 <<  2)
502#define WPI_TX_NEED_ACK		(1 <<  3)
503#define WPI_TX_FULL_TXOP	(1 <<  7)
504#define WPI_TX_BT_DISABLE	(1 << 12) 	/* bluetooth coexistence */
505#define WPI_TX_AUTO_SEQ		(1 << 13)
506#define WPI_TX_MORE_FRAG	(1 << 14)
507#define WPI_TX_INSERT_TSTAMP	(1 << 16)
508
509	uint8_t		plcp;
510	uint8_t		id;
511	uint8_t		tid;
512	uint8_t		security;
513#define WPI_CIPHER_WEP		1
514#define WPI_CIPHER_CCMP		2
515#define WPI_CIPHER_TKIP		3
516#define WPI_CIPHER_WEP104	9
517
518	uint8_t		key[IEEE80211_KEYBUF_SIZE];
519	uint8_t		tkip[IEEE80211_WEP_MICLEN];
520	uint32_t	fnext;
521#define WPI_NEXT_STA_ID(id)	((id) << 8)
522
523	uint32_t	lifetime;
524#define WPI_LIFETIME_INFINITE	0xffffffff
525
526	uint8_t		ofdm_mask;
527	uint8_t		cck_mask;
528	uint8_t		rts_ntries;
529	uint8_t		data_ntries;
530	uint16_t	timeout;
531	uint16_t	txop;
532} __packed;
533
534/* Structure for command WPI_CMD_SET_BEACON. */
535struct wpi_cmd_beacon {
536	uint16_t	len;
537	uint16_t	reserved1;
538	uint32_t	flags;	/* same as wpi_cmd_data */
539	uint8_t		plcp;
540	uint8_t		id;
541	uint8_t		reserved2[30];
542	uint32_t	lifetime;
543	uint8_t		ofdm_mask;
544	uint8_t		cck_mask;
545	uint16_t	reserved3[3];
546	uint16_t	tim;
547	uint8_t		timsz;
548	uint8_t		reserved4;
549} __packed;
550
551/* Structure for notification WPI_BEACON_MISSED. */
552struct wpi_beacon_missed {
553	uint32_t consecutive;
554	uint32_t total;
555	uint32_t expected;
556	uint32_t received;
557} __packed;
558
559/* Structure for command WPI_CMD_MRR_SETUP. */
560#define WPI_RIDX_MAX	11
561struct wpi_mrr_setup {
562	uint32_t	which;
563#define WPI_MRR_CTL	0
564#define WPI_MRR_DATA	1
565
566	struct {
567		uint8_t	plcp;
568		uint8_t	flags;
569		uint8_t	ntries;
570#define		WPI_NTRIES_DEFAULT	2
571
572		uint8_t	next;
573	} __packed	rates[WPI_RIDX_MAX + 1];
574} __packed;
575
576/* Structure for command WPI_CMD_SET_LED. */
577struct wpi_cmd_led {
578	uint32_t	unit;	/* multiplier (in usecs) */
579	uint8_t		which;
580#define WPI_LED_ACTIVITY	1
581#define WPI_LED_LINK		2
582
583	uint8_t		off;
584	uint8_t		on;
585	uint8_t		reserved;
586} __packed;
587
588/* Structure for command WPI_CMD_SET_POWER_MODE. */
589struct wpi_pmgt_cmd {
590	uint16_t	flags;
591#define WPI_PS_ALLOW_SLEEP	(1 << 0)
592#define WPI_PS_NOTIFY		(1 << 1)
593#define WPI_PS_SLEEP_OVER_DTIM	(1 << 2)
594#define WPI_PS_PCI_PMGT		(1 << 3)
595
596	uint8_t		reserved[2];
597	uint32_t	rxtimeout;
598	uint32_t	txtimeout;
599	uint32_t	intval[5];
600} __packed;
601
602/* Structures for command WPI_CMD_SCAN. */
603#define WPI_SCAN_MAX_ESSIDS	4
604struct wpi_scan_essid {
605	uint8_t	id;
606	uint8_t	len;
607	uint8_t	data[IEEE80211_NWID_LEN];
608} __packed;
609
610struct wpi_scan_hdr {
611	uint16_t	len;
612	uint8_t		reserved1;
613	uint8_t		nchan;
614	uint16_t	quiet_time;	/* timeout in milliseconds */
615#define WPI_QUIET_TIME_DEFAULT		10
616
617	uint16_t	quiet_threshold; /* min # of packets */
618	uint16_t	crc_threshold;
619	uint16_t	reserved2;
620	uint32_t	max_svc;	/* background scans */
621	uint32_t	pause_svc;	/* background scans */
622#define WPI_PAUSE_MAX_TIME		((1 << 20) - 1)
623#define WPI_PAUSE_SCAN(nbeacons, time)	((nbeacons << 24) | time)
624
625	uint32_t	flags;
626	uint32_t	filter;
627
628	/* Followed by a struct wpi_cmd_data. */
629	/* Followed by an array of 4 structs wpi_scan_essid. */
630	/* Followed by probe request body. */
631	/* Followed by an array of ``nchan'' structs wpi_scan_chan. */
632} __packed;
633
634struct wpi_scan_chan {
635	uint8_t		flags;
636#define WPI_CHAN_ACTIVE		(1 << 0)
637#define WPI_CHAN_NPBREQS(x)	(((1 << (x)) - 1) << 1)
638
639	uint8_t		chan;
640	uint8_t		rf_gain;
641	uint8_t		dsp_gain;
642	uint16_t	active;		/* msecs */
643	uint16_t	passive;	/* msecs */
644} __packed;
645
646#define WPI_SCAN_CRC_TH_DEFAULT		htole16(1)
647#define WPI_SCAN_CRC_TH_NEVER		htole16(0xffff)
648
649/* Maximum size of a scan command. */
650#define WPI_SCAN_MAXSZ	(MCLBYTES - 4)
651
652#define WPI_ACTIVE_DWELL_TIME_2GHZ	(30)	/* all times in msec */
653#define WPI_ACTIVE_DWELL_TIME_5GHZ	(20)
654#define WPI_ACTIVE_DWELL_FACTOR_2GHZ	( 3)
655#define WPI_ACTIVE_DWELL_FACTOR_5GHZ	( 2)
656
657#define WPI_PASSIVE_DWELL_TIME_2GHZ	( 20)
658#define WPI_PASSIVE_DWELL_TIME_5GHZ	( 10)
659#define WPI_PASSIVE_DWELL_BASE		(100)
660#define WPI_CHANNEL_TUNE_TIME		(  6)
661
662/* Structure for command WPI_CMD_TXPOWER. */
663struct wpi_cmd_txpower {
664	uint8_t		band;
665#define WPI_BAND_5GHZ	0
666#define WPI_BAND_2GHZ	1
667
668	uint8_t		reserved;
669	uint16_t	chan;
670
671	struct {
672		uint8_t	plcp;
673		uint8_t	rf_gain;
674		uint8_t	dsp_gain;
675		uint8_t	reserved;
676	} __packed	rates[WPI_RIDX_MAX + 1];
677
678} __packed;
679
680/* Structure for command WPI_CMD_BT_COEX. */
681struct wpi_bluetooth {
682	uint8_t		flags;
683#define WPI_BT_COEX_DISABLE	0
684#define WPI_BT_COEX_MODE_2WIRE	1
685#define WPI_BT_COEX_MODE_3WIRE	2
686#define WPI_BT_COEX_MODE_4WIRE	3
687
688	uint8_t		lead_time;
689#define WPI_BT_LEAD_TIME_DEF	30
690
691	uint8_t		max_kill;
692#define WPI_BT_MAX_KILL_DEF	5
693
694	uint8_t		reserved;
695	uint32_t	kill_ack;
696	uint32_t	kill_cts;
697} __packed;
698
699/* Structure for WPI_UC_READY notification. */
700struct wpi_ucode_info {
701	uint8_t		minor;
702	uint8_t		major;
703	uint16_t	reserved1;
704	uint8_t		revision[8];
705	uint8_t		type;
706	uint8_t		subtype;
707	uint16_t	reserved2;
708	uint32_t	logptr;
709	uint32_t	errptr;
710	uint32_t	tstamp;
711	uint32_t	valid;
712} __packed;
713
714/* Structure for WPI_START_SCAN notification. */
715struct wpi_start_scan {
716	uint64_t	tstamp;
717	uint32_t	tbeacon;
718	uint8_t		chan;
719	uint8_t		band;
720	uint16_t	reserved;
721	uint32_t	status;
722} __packed;
723
724/* Structure for WPI_STOP_SCAN notification. */
725struct wpi_stop_scan {
726	uint8_t		nchan;
727	uint8_t		status;
728#define WPI_SCAN_COMPLETED	1
729#define WPI_SCAN_ABORTED	2
730
731	uint8_t		reserved;
732	uint8_t		chan;
733	uint64_t	tsf;
734} __packed;
735
736/* Structures for WPI_{RX,BEACON}_STATISTICS notification. */
737struct wpi_rx_phy_stats {
738	uint32_t	ina;
739	uint32_t	fina;
740	uint32_t	bad_plcp;
741	uint32_t	bad_crc32;
742	uint32_t	overrun;
743	uint32_t	eoverrun;
744	uint32_t	good_crc32;
745	uint32_t	fa;
746	uint32_t	bad_fina_sync;
747	uint32_t	sfd_timeout;
748	uint32_t	fina_timeout;
749	uint32_t	no_rts_ack;
750	uint32_t	rxe_limit;
751	uint32_t	ack;
752	uint32_t	cts;
753} __packed;
754
755struct wpi_rx_general_stats {
756	uint32_t	bad_cts;
757	uint32_t	bad_ack;
758	uint32_t	not_bss;
759	uint32_t	filtered;
760	uint32_t	bad_chan;
761} __packed;
762
763struct wpi_rx_stats {
764	struct wpi_rx_phy_stats		ofdm;
765	struct wpi_rx_phy_stats		cck;
766	struct wpi_rx_general_stats	general;
767} __packed;
768
769struct wpi_tx_stats {
770	uint32_t	preamble;
771	uint32_t	rx_detected;
772	uint32_t	bt_defer;
773	uint32_t	bt_kill;
774	uint32_t	short_len;
775	uint32_t	cts_timeout;
776	uint32_t	ack_timeout;
777	uint32_t	exp_ack;
778	uint32_t	ack;
779} __packed;
780
781struct wpi_general_stats {
782	uint32_t	temp;
783	uint32_t	burst_check;
784	uint32_t	burst;
785	uint32_t	reserved[4];
786	uint32_t	sleep;
787	uint32_t	slot_out;
788	uint32_t	slot_idle;
789	uint32_t	ttl_tstamp;
790	uint32_t	tx_ant_a;
791	uint32_t	tx_ant_b;
792	uint32_t	exec;
793	uint32_t	probe;
794} __packed;
795
796struct wpi_stats {
797	uint32_t			flags;
798	struct wpi_rx_stats		rx;
799	struct wpi_tx_stats		tx;
800	struct wpi_general_stats	general;
801} __packed;
802
803/* Possible flags for command WPI_CMD_GET_STATISTICS. */
804#define WPI_STATISTICS_BEACON_DISABLE	(1 << 1)
805
806/* Firmware error dump entry. */
807struct wpi_fw_dump {
808	uint32_t	desc;
809	uint32_t	time;
810	uint32_t	blink[2];
811	uint32_t	ilink[2];
812	uint32_t	data;
813} __packed;
814
815/* Firmware image file header. */
816struct wpi_firmware_hdr {
817#define WPI_FW_MINVERSION 2144
818#define WPI_FW_NAME "wpifw"
819
820	uint16_t	driver;
821	uint8_t		minor;
822	uint8_t		major;
823	uint32_t	rtextsz;
824	uint32_t	rdatasz;
825	uint32_t	itextsz;
826	uint32_t	idatasz;
827	uint32_t	btextsz;
828} __packed;
829
830#define WPI_FW_TEXT_MAXSZ	 ( 80 * 1024 )
831#define WPI_FW_DATA_MAXSZ	 ( 32 * 1024 )
832#define WPI_FW_BOOT_TEXT_MAXSZ		1024
833
834#define WPI_FW_UPDATED	(1U << 31 )
835
836/*
837 * Offsets into EEPROM.
838 */
839#define WPI_EEPROM_MAC		0x015
840#define WPI_EEPROM_REVISION	0x035
841#define WPI_EEPROM_SKU_CAP	0x045
842#define WPI_EEPROM_TYPE		0x04a
843#define WPI_EEPROM_DOMAIN	0x060
844#define WPI_EEPROM_BAND1	0x063
845#define WPI_EEPROM_BAND2	0x072
846#define WPI_EEPROM_BAND3	0x080
847#define WPI_EEPROM_BAND4	0x08d
848#define WPI_EEPROM_BAND5	0x099
849#define WPI_EEPROM_POWER_GRP	0x100
850
851struct wpi_eeprom_chan {
852	uint8_t	flags;
853#define WPI_EEPROM_CHAN_VALID	(1 << 0)
854#define	WPI_EEPROM_CHAN_IBSS	(1 << 1)
855#define WPI_EEPROM_CHAN_ACTIVE	(1 << 3)
856#define WPI_EEPROM_CHAN_RADAR	(1 << 4)
857
858	int8_t	maxpwr;
859} __packed;
860
861struct wpi_eeprom_sample {
862	uint8_t		index;
863	int8_t		power;
864	uint16_t	volt;
865} __packed;
866
867#define WPI_POWER_GROUPS_COUNT	5
868struct wpi_eeprom_group {
869	struct		wpi_eeprom_sample samples[5];
870	int32_t		coef[5];
871	int32_t		corr[5];
872	int8_t		maxpwr;
873	uint8_t		chan;
874	int16_t		temp;
875} __packed;
876
877#define WPI_CHAN_BANDS_COUNT	 5
878#define WPI_MAX_CHAN_PER_BAND	14
879static const struct wpi_chan_band {
880	uint32_t	addr;	/* offset in EEPROM */
881	uint8_t		nchan;
882	uint8_t		chan[WPI_MAX_CHAN_PER_BAND];
883} wpi_bands[] = {
884	/* 20MHz channels, 2GHz band. */
885	{ WPI_EEPROM_BAND1, 14,
886	    { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 } },
887	/* 20MHz channels, 5GHz band. */
888	{ WPI_EEPROM_BAND2, 13,
889	    { 183, 184, 185, 187, 188, 189, 192, 196, 7, 8, 11, 12, 16 } },
890	{ WPI_EEPROM_BAND3, 12,
891	    { 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 } },
892	{ WPI_EEPROM_BAND4, 11,
893	    { 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 } },
894	{ WPI_EEPROM_BAND5, 6,
895	    { 145, 149, 153, 157, 161, 165 } }
896};
897
898/* HW rate indices. */
899#define WPI_RIDX_OFDM6	 0
900#define WPI_RIDX_OFDM36	 5
901#define WPI_RIDX_OFDM48	 6
902#define WPI_RIDX_OFDM54	 7
903#define WPI_RIDX_CCK1	 8
904#define WPI_RIDX_CCK2	 9
905#define WPI_RIDX_CCK11	11
906
907static const uint8_t wpi_ridx_to_plcp[] = {
908	/* OFDM: IEEE Std 802.11a-1999, pp. 14 Table 80 */
909	/* R1-R4 (ral/ural is R4-R1) */
910	0xd, 0xf, 0x5, 0x7, 0x9, 0xb, 0x1, 0x3,
911	/* CCK: device-dependent */
912	10, 20, 55, 110
913};
914
915#define WPI_MAX_PWR_INDEX	77
916
917/*
918 * RF Tx gain values from highest to lowest power (values obtained from
919 * the reference driver.)
920 */
921static const uint8_t wpi_rf_gain_2ghz[WPI_MAX_PWR_INDEX + 1] = {
922	0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xbb, 0xbb, 0xbb,
923	0xbb, 0xf3, 0xf3, 0xf3, 0xf3, 0xf3, 0xd3, 0xd3, 0xb3, 0xb3, 0xb3,
924	0x93, 0x93, 0x93, 0x93, 0x93, 0x93, 0x93, 0x73, 0xeb, 0xeb, 0xeb,
925	0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xcb, 0xab, 0xab, 0xab, 0x8b,
926	0xe3, 0xe3, 0xe3, 0xe3, 0xe3, 0xe3, 0xc3, 0xc3, 0xc3, 0xc3, 0xa3,
927	0xa3, 0xa3, 0xa3, 0x83, 0x83, 0x83, 0x83, 0x63, 0x63, 0x63, 0x63,
928	0x43, 0x43, 0x43, 0x43, 0x23, 0x23, 0x23, 0x23, 0x03, 0x03, 0x03,
929	0x03
930};
931
932static const uint8_t wpi_rf_gain_5ghz[WPI_MAX_PWR_INDEX + 1] = {
933	0xfb, 0xfb, 0xfb, 0xdb, 0xdb, 0xbb, 0xbb, 0x9b, 0x9b, 0x7b, 0x7b,
934	0x7b, 0x7b, 0x5b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x1b, 0x1b,
935	0x1b, 0x73, 0x73, 0x73, 0x53, 0x53, 0x53, 0x53, 0x53, 0x33, 0x33,
936	0x33, 0x33, 0x13, 0x13, 0x13, 0x13, 0x13, 0xab, 0xab, 0xab, 0x8b,
937	0x8b, 0x8b, 0x8b, 0x6b, 0x6b, 0x6b, 0x6b, 0x4b, 0x4b, 0x4b, 0x4b,
938	0x2b, 0x2b, 0x2b, 0x2b, 0x0b, 0x0b, 0x0b, 0x0b, 0x83, 0x83, 0x63,
939	0x63, 0x63, 0x63, 0x43, 0x43, 0x43, 0x43, 0x23, 0x23, 0x23, 0x23,
940	0x03
941};
942
943/*
944 * DSP pre-DAC gain values from highest to lowest power (values obtained
945 * from the reference driver.)
946 */
947static const uint8_t wpi_dsp_gain_2ghz[WPI_MAX_PWR_INDEX + 1] = {
948	0x7f, 0x7f, 0x7f, 0x7f, 0x7d, 0x6e, 0x69, 0x62, 0x7d, 0x73, 0x6c,
949	0x63, 0x77, 0x6f, 0x69, 0x61, 0x5c, 0x6a, 0x64, 0x78, 0x71, 0x6b,
950	0x7d, 0x77, 0x70, 0x6a, 0x65, 0x61, 0x5b, 0x6b, 0x79, 0x73, 0x6d,
951	0x7f, 0x79, 0x73, 0x6c, 0x66, 0x60, 0x5c, 0x6e, 0x68, 0x62, 0x74,
952	0x7d, 0x77, 0x71, 0x6b, 0x65, 0x60, 0x71, 0x6a, 0x66, 0x5f, 0x71,
953	0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66, 0x5f,
954	0x71, 0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66, 0x5f, 0x71, 0x6a, 0x66,
955	0x5f
956};
957
958static const uint8_t wpi_dsp_gain_5ghz[WPI_MAX_PWR_INDEX + 1] = {
959	0x7f, 0x78, 0x72, 0x77, 0x65, 0x71, 0x66, 0x72, 0x67, 0x75, 0x6b,
960	0x63, 0x5c, 0x6c, 0x7d, 0x76, 0x6d, 0x66, 0x60, 0x5a, 0x68, 0x62,
961	0x5c, 0x76, 0x6f, 0x68, 0x7e, 0x79, 0x71, 0x69, 0x63, 0x76, 0x6f,
962	0x68, 0x62, 0x74, 0x6d, 0x66, 0x62, 0x5d, 0x71, 0x6b, 0x63, 0x78,
963	0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63,
964	0x78, 0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63, 0x6b, 0x63, 0x78,
965	0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63, 0x78, 0x71, 0x6b, 0x63,
966	0x78
967};
968
969/*
970 * Power saving settings (values obtained from the reference driver.)
971 */
972#define WPI_NDTIMRANGES		2
973#define WPI_NPOWERLEVELS	6
974static const struct wpi_pmgt {
975	uint32_t	rxtimeout;
976	uint32_t	txtimeout;
977	uint32_t	intval[5];
978	uint8_t		skip_dtim;
979} wpi_pmgt[WPI_NDTIMRANGES][WPI_NPOWERLEVELS] = {
980	/* DTIM <= 10 */
981	{
982	{   0,   0, {  0,  0,  0,  0,  0 }, 0 },	/* CAM */
983	{ 200, 500, {  1,  2,  3,  4,  4 }, 0 },	/* PS level 1 */
984	{ 200, 300, {  2,  4,  6,  7,  7 }, 0 },	/* PS level 2 */
985	{  50, 100, {  2,  6,  9,  9, 10 }, 0 },	/* PS level 3 */
986	{  50,  25, {  2,  7,  9,  9, 10 }, 1 },	/* PS level 4 */
987	{  25,  25, {  4,  7, 10, 10, 10 }, 1 }		/* PS level 5 */
988	},
989	/* DTIM >= 11 */
990	{
991	{   0,   0, {  0,  0,  0,  0,  0 }, 0 },	/* CAM */
992	{ 200, 500, {  1,  2,  3,  4, -1 }, 0 },	/* PS level 1 */
993	{ 200, 300, {  2,  4,  6,  7, -1 }, 0 },	/* PS level 2 */
994	{  50, 100, {  2,  6,  9,  9, -1 }, 0 },	/* PS level 3 */
995	{  50,  25, {  2,  7,  9,  9, -1 }, 0 },	/* PS level 4 */
996	{  25,  25, {  4,  7, 10, 10, -1 }, 0 }		/* PS level 5 */
997	}
998};
999
1000/* Firmware errors. */
1001static const char * const wpi_fw_errmsg[] = {
1002	"OK",
1003	"FAIL",
1004	"BAD_PARAM",
1005	"BAD_CHECKSUM",
1006	"NMI_INTERRUPT",
1007	"SYSASSERT",
1008	"FATAL_ERROR"
1009};
1010
1011#define WPI_READ(sc, reg)						\
1012	bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
1013
1014#define WPI_WRITE(sc, reg, val)						\
1015	bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
1016
1017#define WPI_WRITE_REGION_4(sc, offset, datap, count)			\
1018	bus_space_write_region_4((sc)->sc_st, (sc)->sc_sh, (offset),	\
1019	    (datap), (count))
1020
1021#define WPI_SETBITS(sc, reg, mask)					\
1022	WPI_WRITE(sc, reg, WPI_READ(sc, reg) | (mask))
1023
1024#define WPI_CLRBITS(sc, reg, mask)					\
1025	WPI_WRITE(sc, reg, WPI_READ(sc, reg) & ~(mask))
1026
1027#define WPI_BARRIER_WRITE(sc)						\
1028	bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)->sc_sz,	\
1029	    BUS_SPACE_BARRIER_WRITE)
1030
1031#define WPI_BARRIER_READ_WRITE(sc)					\
1032	bus_space_barrier((sc)->sc_st, (sc)->sc_sh, 0, (sc)->sc_sz,	\
1033	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE)
1034