1 /*	$NetBSD: if_iwireg.h,v 1.19 2008/09/08 23:36:54 gmcgarry Exp $ */
2 
3 /*-
4  * Copyright (c) 2004, 2005
5  *      Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice unmodified, this list of conditions, and the following
12  *    disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #define IWI_CMD_RING_COUNT	16
31 #define IWI_TX_RING_COUNT	64
32 #define IWI_RX_RING_COUNT	32
33 
34 #define IWI_TX_DESC_SIZE	(sizeof (struct iwi_tx_desc))
35 #define IWI_CMD_DESC_SIZE	(sizeof (struct iwi_cmd_desc))
36 
37 #define IWI_CSR_INTR		0x0008
38 #define IWI_CSR_INTR_MASK	0x000c
39 #define IWI_CSR_INDIRECT_ADDR	0x0010
40 #define IWI_CSR_INDIRECT_DATA	0x0014
41 #define IWI_CSR_AUTOINC_ADDR	0x0018
42 #define IWI_CSR_AUTOINC_DATA	0x001c
43 #define IWI_CSR_RST		0x0020
44 #define IWI_CSR_CTL		0x0024
45 #define IWI_CSR_IO		0x0030
46 #define IWI_CSR_CMD_BASE	0x0200
47 #define IWI_CSR_CMD_SIZE	0x0204
48 #define IWI_CSR_TX1_BASE	0x0208
49 #define IWI_CSR_TX1_SIZE	0x020c
50 #define IWI_CSR_TX2_BASE	0x0210
51 #define IWI_CSR_TX2_SIZE	0x0214
52 #define IWI_CSR_TX3_BASE	0x0218
53 #define IWI_CSR_TX3_SIZE	0x021c
54 #define IWI_CSR_TX4_BASE	0x0220
55 #define IWI_CSR_TX4_SIZE	0x0224
56 #define IWI_CSR_CMD_RIDX	0x0280
57 #define IWI_CSR_TX1_RIDX	0x0284
58 #define IWI_CSR_TX2_RIDX	0x0288
59 #define IWI_CSR_TX3_RIDX	0x028c
60 #define IWI_CSR_TX4_RIDX	0x0290
61 #define IWI_CSR_RX_RIDX		0x02a0
62 #define IWI_CSR_RX_BASE		0x0500
63 #define IWI_CSR_ERRORLOG	0x0610
64 #define IWI_CSR_TABLE0_SIZE	0x0700
65 #define IWI_CSR_TABLE0_BASE	0x0704
66 #define IWI_CSR_CURRENT_TX_RATE	IWI_CSR_TABLE0_BASE
67 #define IWI_CSR_NODE_BASE	0x0c0c
68 #define IWI_CSR_CMD_WIDX	0x0f80
69 #define IWI_CSR_TX1_WIDX	0x0f84
70 #define IWI_CSR_TX2_WIDX	0x0f88
71 #define IWI_CSR_TX3_WIDX	0x0f8c
72 #define IWI_CSR_TX4_WIDX	0x0f90
73 #define IWI_CSR_RX_WIDX		0x0fa0
74 #define IWI_CSR_READ_INT	0x0ff4
75 
76 /* flags for IWI_CSR_INTR */
77 #define IWI_INTR_RX_DONE	0x00000002
78 #define IWI_INTR_CMD_DONE	0x00000800
79 #define IWI_INTR_TX1_DONE	0x00001000
80 #define IWI_INTR_TX2_DONE	0x00002000
81 #define IWI_INTR_TX3_DONE	0x00004000
82 #define IWI_INTR_TX4_DONE	0x00008000
83 #define IWI_INTR_FW_INITED	0x01000000
84 #define IWI_INTR_RADIO_OFF	0x04000000
85 #define IWI_INTR_FATAL_ERROR	0x40000000
86 #define IWI_INTR_PARITY_ERROR	0x80000000
87 
88 #define IWI_INTR_MASK						\
89 	(IWI_INTR_RX_DONE | IWI_INTR_CMD_DONE |			\
90 	 IWI_INTR_TX1_DONE | IWI_INTR_TX2_DONE |		\
91 	 IWI_INTR_TX3_DONE | IWI_INTR_TX4_DONE |		\
92 	 IWI_INTR_FW_INITED | IWI_INTR_RADIO_OFF |		\
93 	 IWI_INTR_FATAL_ERROR | IWI_INTR_PARITY_ERROR)
94 
95 /* flags for IWI_CSR_RST */
96 #define IWI_RST_PRINCETON_RESET	0x00000001
97 #define	IWI_RST_STANDBY		0x00000004
98 #define	IWI_RST_LED_ACTIVITY	0x00000010	/* tx/rx traffic led */
99 #define	IWI_RST_LED_ASSOCIATED	0x00000020	/* station associated led */
100 #define	IWI_RST_LED_OFDM	0x00000040	/* ofdm/cck led */
101 #define IWI_RST_SW_RESET	0x00000080
102 #define IWI_RST_MASTER_DISABLED	0x00000100
103 #define IWI_RST_STOP_MASTER	0x00000200
104 #define IWI_RST_GATE_ODMA	0x02000000
105 #define IWI_RST_GATE_IDMA	0x04000000
106 #define IWI_RST_GATE_ADMA	0x20000000
107 
108 /* flags for IWI_CSR_CTL */
109 #define IWI_CTL_CLOCK_READY	0x00000001
110 #define IWI_CTL_ALLOW_STANDBY	0x00000002
111 #define IWI_CTL_INIT		0x00000004
112 
113 /* flags for IWI_CSR_IO */
114 #define IWI_IO_RADIO_ENABLED	0x00010000
115 
116 /* flags for IWI_CSR_READ_INT */
117 #define IWI_READ_INT_INIT_HOST	0x20000000
118 
119 /* error log definitions */
120 struct iwi_error {
121 	uint32_t	type;
122 	uint32_t	reserved2;
123 	uint32_t	reserved3;
124 	uint32_t	reserved4;
125 	uint32_t	reserved5;
126 	uint32_t	reserved6;
127 	uint32_t	reserved7;
128 } __packed;
129 
130 /* constants for command blocks */
131 #define IWI_CB_DEFAULT_CTL	0x8cea0000
132 #define IWI_CB_MAXDATALEN	8191
133 
134 /* supported rates */
135 #define IWI_RATE_DS1	10
136 #define IWI_RATE_DS2	20
137 #define IWI_RATE_DS5	55
138 #define IWI_RATE_DS11	110
139 #define IWI_RATE_OFDM6	13
140 #define IWI_RATE_OFDM9	15
141 #define IWI_RATE_OFDM12	5
142 #define IWI_RATE_OFDM18	7
143 #define IWI_RATE_OFDM24	9
144 #define IWI_RATE_OFDM36	11
145 #define IWI_RATE_OFDM48	1
146 #define IWI_RATE_OFDM54	3
147 
148 /* firmware binary image header */
149 struct iwi_firmware_ohdr {
150 	uint32_t	version;
151 	uint32_t	mode;
152 } __packed;
153 #define	IWI_FW_REQ_MAJOR	3
154 #define	IWI_FW_REQ_MINOR	0
155 #define	IWI_FW_GET_MAJOR(ver)	(((ver) & 0x00ff0000) >> 16)
156 #define	IWI_FW_GET_MINOR(ver)	(((ver) & 0xff000000) >> 24)
157 
158 struct iwi_firmware_hdr {
159 	uint32_t	version;	/* version stamp */
160 	uint32_t	bsize;		/* size of boot image */
161 	uint32_t	usize;		/* size of ucode image */
162 	uint32_t	fsize;		/* size of firmware image */
163 } __packed;
164 
165 struct iwi_hdr {
166 	uint8_t	type;
167 #define IWI_HDR_TYPE_DATA	0
168 #define IWI_HDR_TYPE_COMMAND	1
169 #define IWI_HDR_TYPE_NOTIF	3
170 #define IWI_HDR_TYPE_FRAME	9
171 
172 	uint8_t	seq;
173 	uint8_t	flags;
174 #define IWI_HDR_FLAG_IRQ	0x04
175 
176 	uint8_t	reserved;
177 } __packed;
178 
179 struct iwi_notif {
180 	uint32_t	reserved[2];
181 	uint8_t		type;
182 #define IWI_NOTIF_TYPE_ASSOCIATION	10
183 #define IWI_NOTIF_TYPE_AUTHENTICATION	11
184 #define IWI_NOTIF_TYPE_SCAN_CHANNEL	12
185 #define IWI_NOTIF_TYPE_SCAN_COMPLETE	13
186 #define IWI_NOTIF_TYPE_FRAG_LENGTH	14
187 #define IWI_NOTIF_TYPE_LINK_QUALITY	15	/* "link deterioration" */
188 #define IWI_NOTIF_TYPE_BEACON		17	/* beacon state, e.g. miss */
189 #define IWI_NOTIF_TYPE_TGI_TX_KEY	18	/* WPA transmit key */
190 #define IWI_NOTIF_TYPE_CALIBRATION	20
191 #define IWI_NOTIF_TYPE_NOISE		25
192 
193 	uint8_t		flags;
194 	uint16_t	len;
195 } __packed;
196 
197 /* structure for notification IWI_NOTIF_TYPE_AUTHENTICATION */
198 struct iwi_notif_authentication {
199 	uint8_t	state;
200 #define IWI_AUTH_FAIL		0
201 #define	IWI_AUTH_SENT_1		1		/* tx first frame */
202 #define	IWI_AUTH_RECV_2		2		/* rx second frame */
203 #define	IWI_AUTH_SEQ1_PASS	3		/* 1st exchange passed */
204 #define	IWI_AUTH_SEQ1_FAIL	4		/* 1st exchange failed */
205 #define IWI_AUTH_SUCCESS	9
206 
207 } __packed;
208 
209 /* structure for notification IWI_NOTIF_TYPE_ASSOCIATION */
210 struct iwi_notif_association {
211 	uint8_t			state;
212 #define IWI_ASSOC_FAIL		0
213 #define IWI_ASSOC_SUCCESS	12
214 
215 	struct ieee80211_frame	frame;
216 	uint16_t		capinfo;
217 	uint16_t		status;
218 	uint16_t		associd;
219 } __packed;
220 
221 /* structure for notification IWI_NOTIF_TYPE_SCAN_CHANNEL */
222 struct iwi_notif_scan_channel {
223 	uint8_t	nchan;
224 	uint8_t	reserved[47];
225 } __packed;
226 
227 /* structure for notification IWI_NOTIF_TYPE_SCAN_COMPLETE */
228 struct iwi_notif_scan_complete {
229 	uint8_t	type;
230 	uint8_t	nchan;
231 	uint8_t	status;
232 	uint8_t	reserved;
233 } __packed;
234 
235 /* structure for notification IWI_NOTIF_TYPE_BEACON */
236 struct iwi_notif_beacon_state {
237 	uint32_t	state;
238 #define IWI_BEACON_MISS		1
239 
240 	uint32_t	number;
241 } __packed;
242 
243 /* received frame header */
244 struct iwi_frame {
245 	uint32_t	reserved1[2];
246 	uint8_t		chan;
247 	uint8_t		status;
248 	uint8_t		rate;
249 	uint8_t		rssi;	/* receiver signal strength indicator */
250 	uint8_t		agc;	/* automatic gain control */
251 	uint8_t		rssi_dbm;
252 	uint16_t	signal;
253 	uint16_t	noise;
254 	uint8_t		antenna;
255 	uint8_t		control;
256 	uint8_t		reserved2[2];
257 	uint16_t	len;
258 } __packed;
259 
260 /* header for transmission */
261 struct iwi_tx_desc {
262 	struct iwi_hdr	hdr;
263 	uint32_t	reserved1;
264 	uint8_t		station;
265 	uint8_t		reserved2[3];
266 	uint8_t		cmd;
267 #define IWI_DATA_CMD_TX	0x0b
268 
269 	uint8_t		seq;
270 	uint16_t	len;
271 	uint8_t		priority;
272 	uint8_t		flags;
273 #define IWI_DATA_FLAG_SHPREAMBLE	0x04
274 #define IWI_DATA_FLAG_NO_WEP		0x20
275 #define IWI_DATA_FLAG_NEED_ACK		0x80
276 
277 	uint8_t		xflags;
278 #define IWI_DATA_XFLAG_CCK	0x01
279 #define IWI_DATA_XFLAG_OFDM	0x00
280 #define IWI_DATA_XFLAG_QOS	0x10
281 
282 	uint8_t		wep_txkey;
283 #define IWI_DATA_KEY_WEP40		0x40
284 #define IWI_DATA_KEY_WEP104		0x80
285 
286 	uint8_t		wepkey[IEEE80211_KEYBUF_SIZE];
287 	uint8_t		rate;
288 	uint8_t		antenna;
289 	uint8_t		reserved3[10];
290 	struct ieee80211_qosframe_addr4	wh;
291 	uint32_t	iv;
292 	uint32_t	eiv;
293 	uint32_t	nseg;
294 #define IWI_MAX_NSEG	6
295 
296 	uint32_t	seg_addr[IWI_MAX_NSEG];
297 	uint16_t	seg_len[IWI_MAX_NSEG];
298 } __packed;
299 
300 /* command */
301 struct iwi_cmd_desc {
302 	struct iwi_hdr	hdr;
303 	uint8_t		type;
304 #define IWI_CMD_ENABLE				2
305 #define IWI_CMD_SET_CONFIGURATION		6
306 #define IWI_CMD_SET_ESSID			8
307 #define IWI_CMD_SET_MAC_ADDRESS			11
308 #define IWI_CMD_SET_RTS_THRESHOLD		15
309 #define IWI_CMD_SET_FRAG_THRESHOLD		16
310 #define IWI_CMD_SET_POWER_MODE			17
311 #define IWI_CMD_SET_WEP_KEY			18
312 #define IWI_CMD_ASSOCIATE			21
313 #define IWI_CMD_SET_RATES			22
314 #define IWI_CMD_ABORT_SCAN			23
315 #define IWI_CMD_SET_WME_PARAMS			25
316 #define IWI_CMD_SCAN_V2				26
317 #define IWI_CMD_SET_OPTIE			31
318 #define IWI_CMD_DISABLE				33
319 #define IWI_CMD_SET_IV				34
320 #define IWI_CMD_SET_TX_POWER			35
321 #define IWI_CMD_SET_SENSITIVITY			42
322 #define IWI_CMD_SET_WMEIE			84
323 
324 	uint8_t		len;
325 	uint16_t	reserved;
326 	uint8_t		data[120];
327 } __packed;
328 
329 /* node information (IBSS) */
330 struct iwi_ibssnode {
331 	uint8_t	bssid[IEEE80211_ADDR_LEN];
332 	uint8_t	reserved[2];
333 } __packed;
334 
335 /* constants for 'mode' fields */
336 #define IWI_MODE_11A	0
337 #define IWI_MODE_11B	1
338 #define IWI_MODE_11G	2
339 
340 /* possible values for command IWI_CMD_SET_POWER_MODE */
341 #define IWI_POWER_MODE_CAM	0	/* no power save */
342 #define IWI_POWER_MODE_PSP	3
343 #define IWI_POWER_MODE_MAX	5	/* max power save operation */
344 
345 /* structure for command IWI_CMD_SET_RATES */
346 struct iwi_rateset {
347 	uint8_t	mode;
348 	uint8_t	nrates;
349 	uint8_t	type;
350 #define IWI_RATESET_TYPE_NEGOTIATED	0
351 #define IWI_RATESET_TYPE_SUPPORTED	1
352 
353 	uint8_t	reserved;
354 #define	IWI_RATESET_SIZE	12
355 	uint8_t	rates[IWI_RATESET_SIZE];
356 } __packed;
357 
358 /* structure for command IWI_CMD_SET_TX_POWER */
359 struct iwi_txpower {
360 	uint8_t	nchan;
361 	uint8_t	mode;
362 	struct {
363 		uint8_t	chan;
364 		uint8_t	power;
365 #define IWI_TXPOWER_MAX		20
366 #define IWI_TXPOWER_RATIO	(IEEE80211_TXPOWER_MAX / IWI_TXPOWER_MAX)
367 	} __packed chan[37];
368 } __packed;
369 
370 /* structure for command IWI_CMD_ASSOCIATE */
371 struct iwi_associate {
372 	uint8_t		chan;		/* channel # */
373 	uint8_t		auth;		/* type and key */
374 #define IWI_AUTH_OPEN	0
375 #define IWI_AUTH_SHARED	1
376 #define IWI_AUTH_NONE	3
377 
378 	uint8_t		type;		/* request */
379 #define	IWI_HC_ASSOC		0
380 #define	IWI_HC_REASSOC		1
381 #define	IWI_HC_DISASSOC		2
382 #define	IWI_HC_IBSS_START	3
383 #define	IWI_HC_IBSS_RECONF	4
384 #define	IWI_HC_DISASSOC_QUIET	5
385 
386 	uint8_t		reserved1;
387 	uint16_t	policy;
388 #define IWI_POLICY_WME	1
389 #define IWI_POLICY_WPA	2
390 
391 	uint8_t		plen;		/* preamble length */
392 #define IWI_ASSOC_SHPREAMBLE	(1 << 2) /* ogre */
393 
394 	uint8_t		mode;
395 	uint8_t		bssid[IEEE80211_ADDR_LEN];
396 	uint8_t		tstamp[8];
397 	uint16_t	capinfo;
398 	uint16_t	lintval;
399 	uint16_t	intval;
400 	uint8_t		dst[IEEE80211_ADDR_LEN];
401 	uint32_t	reserved3;
402 	uint16_t	reserved4;
403 } __packed;
404 
405 #define IWI_SCAN_CHANNELS	54
406 
407 #define IWI_SCAN_TYPE_FIRST_BEACON	0
408 #define IWI_SCAN_TYPE_PASSIVE		1
409 #define IWI_SCAN_TYPE_ACTIVE_DIRECT	2
410 #define IWI_SCAN_TYPE_ACTIVE_BROADCAST	3
411 #define IWI_SCAN_TYPE_ACTIVE_BDIRECT	4
412 #define IWI_SCAN_TYPES			5
413 
414 #define iwi_scan_type_set(s, i, t) 			\
415 	do { 						\
416 		if ((i) % 2 == 0)			\
417 			(s).type[(i) / 2].lsn = (t);	\
418 		else					\
419 			(s).type[(i) / 2].msn = (t);	\
420 	} while(0)
421 
422 /* structure for command IWI_CMD_SCAN_V2 */
423 struct iwi_scan_v2 {
424 	u_int32_t	fsidx;
425 	u_int8_t	channels[IWI_SCAN_CHANNELS];
426 #define IWI_CHAN_5GHZ	(0 << 6)
427 #define IWI_CHAN_2GHZ	(1 << 6)
428 
429 	struct {
430 #if _BYTE_ORDER == _LITTLE_ENDIAN
431 		u_int8_t msn:4;
432 		u_int8_t lsn:4;
433 #else
434 		u_int8_t lsn:4;
435 		u_int8_t msn:4;
436 #endif
437 	} __packed type[IWI_SCAN_CHANNELS / 2];
438 
439 	u_int8_t	reserved1;
440 	u_int16_t	dwelltime[IWI_SCAN_TYPES];
441 
442 } __packed;
443 
444 /* structure for command IWI_CMD_SET_CONFIGURATION */
445 struct iwi_configuration {
446 	uint8_t	bluetooth_coexistence;
447 	uint8_t	reserved1;
448 	uint8_t	answer_pbreq;
449 	uint8_t	allow_invalid_frames;
450 	uint8_t	multicast_enabled;
451 	uint8_t	drop_unicast_unencrypted;
452 	uint8_t	disable_unicast_decryption;
453 	uint8_t	drop_multicast_unencrypted;
454 	uint8_t	disable_multicast_decryption;
455 	uint8_t	antenna;
456 #define	IWI_ANTENNA_AUTO	0	/* firmware selects best antenna */
457 #define	IWI_ANTENNA_A		1	/* use antenna A only */
458 #define	IWI_ANTENNA_B		3	/* use antenna B only */
459 #define	IWI_ANTENNA_SLOWDIV	2	/* slow diversity algorithm */
460 
461 	uint8_t	include_crc;		/* include crc in rx'd frames */
462 	uint8_t	use_protection;		/* auto-detect 11g operation */
463 	uint8_t	protection_ctsonly;	/* use CTS-to-self protection */
464 	uint8_t	enable_multicast_filtering;
465 	uint8_t	bluetooth_threshold;	/* collision threshold */
466 	uint8_t	silence_threshold;	/* silence over/under threshold */
467 	uint8_t	allow_beacon_and_probe_resp;
468 	uint8_t	allow_mgt;
469 	uint8_t	noise_reported;		/* report noise stats to host */
470 	uint8_t	reserved5;
471 } __packed;
472 
473 /* structure for command IWI_CMD_SET_WEP_KEY */
474 struct iwi_wep_key {
475 	uint8_t	cmd;
476 #define IWI_WEP_KEY_CMD_SETKEY	0x08
477 
478 	uint8_t	seq;
479 	uint8_t	idx;
480 	uint8_t	len;
481 	uint8_t	key[IEEE80211_KEYBUF_SIZE];
482 } __packed;
483 
484 /* EEPROM = Electrically Erasable Programmable Read-Only Memory */
485 
486 /* structure for command IWI_CMD_SET_WME_PARAMS */
487 struct iwi_wme_params {
488 	uint16_t	cwmin[WME_NUM_AC];
489 	uint16_t	cwmax[WME_NUM_AC];
490 	uint8_t		aifsn[WME_NUM_AC];
491 	uint8_t		acm[WME_NUM_AC];
492 	uint16_t	burst[WME_NUM_AC];
493 } __packed;
494 
495 #define IWI_MEM_START_ADDR	0x00300000
496 
497 #define IWI_MEM_EEPROM_CTL	(IWI_MEM_START_ADDR + 0x40)
498 #define IWI_MEM_EVENT_CTL	(IWI_MEM_START_ADDR + 0x04)
499 
500 /*
501  * led control bits
502  */
503 #define IWI_LED_ACTIVITY	0x00000010
504 #define IWI_LED_ASSOCIATED	0x00000020
505 #define IWI_LED_OFDM		0x00000040
506 
507 #define IWI_LED_MASK    (IWI_LED_ACTIVITY | \
508 			       IWI_LED_ASSOCIATED | \
509 			       IWI_LED_OFDM)
510 
511 #define IWI_LED_OFF(sc) 						 \
512 	do { 								 \
513 		MEM_WRITE_4(sc, IWI_MEM_EVENT_CTL, ~IWI_LED_MASK); \
514 	} while (/* CONSTCOND */ 0)
515 
516 
517 #define IWI_EEPROM_MAC		0x21
518 #define IWI_EEPROM_NIC_TYPE	0x25
519 
520 #define IWI_EEPROM_DELAY	1	/* minimum hold time (microsecond) */
521 
522 #define IWI_EEPROM_C	(1 << 0)	/* Serial Clock */
523 #define IWI_EEPROM_S	(1 << 1)	/* Chip Select */
524 #define IWI_EEPROM_D	(1 << 2)	/* Serial data input */
525 #define IWI_EEPROM_Q	(1 << 4)	/* Serial data output */
526 
527 #define IWI_EEPROM_SHIFT_D	2
528 #define IWI_EEPROM_SHIFT_Q	4
529 
530 /*
531  * control and status registers access macros
532  */
533 #define CSR_READ_1(sc, reg)						\
534 	bus_space_read_1((sc)->sc_st, (sc)->sc_sh, (reg))
535 
536 #define CSR_READ_2(sc, reg)						\
537 	bus_space_read_2((sc)->sc_st, (sc)->sc_sh, (reg))
538 
539 #define CSR_READ_4(sc, reg)						\
540 	bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
541 
542 #define CSR_READ_REGION_4(sc, offset, datap, count)			\
543 	bus_space_read_region_4((sc)->sc_st, (sc)->sc_sh, (offset),	\
544 	    (datap), (count))
545 
546 #define CSR_WRITE_1(sc, reg, val)					\
547 	bus_space_write_1((sc)->sc_st, (sc)->sc_sh, (reg), (val))
548 
549 #define CSR_WRITE_2(sc, reg, val)					\
550 	bus_space_write_2((sc)->sc_st, (sc)->sc_sh, (reg), (val))
551 
552 #define CSR_WRITE_4(sc, reg, val)					\
553 	bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
554 
555 #define CSR_WRITE_REGION_1(sc, offset, datap, count)			\
556 	bus_space_write_region_1((sc)->sc_st, (sc)->sc_sh, (offset),	\
557 	    (datap), (count))
558 
559 /*
560  * indirect memory space access macros
561  */
562 #define MEM_WRITE_1(sc, addr, val) do {					\
563 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
564 	CSR_WRITE_1((sc), IWI_CSR_INDIRECT_DATA, (val));		\
565 } while (/* CONSTCOND */0)
566 
567 #define MEM_WRITE_2(sc, addr, val) do {					\
568 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
569 	CSR_WRITE_2((sc), IWI_CSR_INDIRECT_DATA, (val));		\
570 } while (/* CONSTCOND */0)
571 
572 #define MEM_WRITE_4(sc, addr, val) do {					\
573 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
574 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_DATA, (val));		\
575 } while (/* CONSTCOND */0)
576 
577 #define MEM_WRITE_MULTI_1(sc, addr, buf, len) do {			\
578 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
579 	CSR_WRITE_MULTI_1((sc), IWI_CSR_INDIRECT_DATA, (buf), (len));	\
580 } while (/* CONSTCOND */0)
581 
582 /*
583  * EEPROM access macro
584  */
585 #define IWI_EEPROM_CTL(sc, val) do {					\
586 	MEM_WRITE_4((sc), IWI_MEM_EEPROM_CTL, (val));			\
587 	DELAY(IWI_EEPROM_DELAY);					\
588 } while (/* CONSTCOND */0)
589