xref: /freebsd/sys/dev/iwi/if_iwireg.h (revision 35a04710d7286aa9538917fd7f8e417dbee95b82)
1 /*	$FreeBSD$	*/
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_TABLE0_SIZE	0x0700
64 #define IWI_CSR_TABLE0_BASE	0x0704
65 #define IWI_CSR_NODE_BASE	0x0c0c
66 #define IWI_CSR_CMD_WIDX	0x0f80
67 #define IWI_CSR_TX1_WIDX	0x0f84
68 #define IWI_CSR_TX2_WIDX	0x0f88
69 #define IWI_CSR_TX3_WIDX	0x0f8c
70 #define IWI_CSR_TX4_WIDX	0x0f90
71 #define IWI_CSR_RX_WIDX		0x0fa0
72 #define IWI_CSR_READ_INT	0x0ff4
73 
74 /* aliases */
75 #define IWI_CSR_CURRENT_TX_RATE	IWI_CSR_TABLE0_BASE
76 
77 /* flags for IWI_CSR_INTR */
78 #define IWI_INTR_RX_DONE	0x00000002
79 #define IWI_INTR_CMD_DONE	0x00000800
80 #define IWI_INTR_TX1_DONE	0x00001000
81 #define IWI_INTR_TX2_DONE	0x00002000
82 #define IWI_INTR_TX3_DONE	0x00004000
83 #define IWI_INTR_TX4_DONE	0x00008000
84 #define IWI_INTR_FW_INITED	0x01000000
85 #define IWI_INTR_RADIO_OFF	0x04000000
86 #define IWI_INTR_FATAL_ERROR	0x40000000
87 #define IWI_INTR_PARITY_ERROR	0x80000000
88 
89 #define IWI_INTR_MASK							\
90 	(IWI_INTR_RX_DONE | IWI_INTR_CMD_DONE |	IWI_INTR_TX1_DONE | 	\
91 	 IWI_INTR_TX2_DONE | 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_SOFT_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 /* constants for command blocks */
120 #define IWI_CB_DEFAULT_CTL	0x8cea0000
121 #define IWI_CB_MAXDATALEN	8191
122 
123 /* supported rates */
124 #define IWI_RATE_DS1	10
125 #define IWI_RATE_DS2	20
126 #define IWI_RATE_DS5	55
127 #define IWI_RATE_DS11	110
128 #define IWI_RATE_OFDM6	13
129 #define IWI_RATE_OFDM9	15
130 #define IWI_RATE_OFDM12	5
131 #define IWI_RATE_OFDM18	7
132 #define IWI_RATE_OFDM24	9
133 #define IWI_RATE_OFDM36	11
134 #define IWI_RATE_OFDM48	1
135 #define IWI_RATE_OFDM54	3
136 
137 /*
138  * Old version firmware images start with this header,
139  * fields are in little endian (le32) format.
140  */
141 struct iwi_firmware_ohdr {
142 	uint32_t	version;
143 	uint32_t	mode;
144 };
145 #define	IWI_FW_REQ_MAJOR	2
146 #define	IWI_FW_REQ_MINOR	4
147 #define	IWI_FW_GET_MAJOR(ver)	((ver) & 0xff)
148 #define	IWI_FW_GET_MINOR(ver)	(((ver) & 0xff00) >> 8)
149 
150 #define	IWI_FW_MODE_UCODE	0
151 #define	IWI_FW_MODE_BOOT	0
152 #define	IWI_FW_MODE_BSS		0
153 #define	IWI_FW_MODE_IBSS	1
154 #define	IWI_FW_MODE_MONITOR	2
155 
156 /*
157  * New version firmware images contain boot, ucode and firmware
158  * all in one chunk. The header at the beginning gives the version
159  * and the size of each (sub)image, in le32 format.
160  */
161 struct iwi_firmware_hdr {
162 	uint32_t	version;	/* version stamp */
163 	uint32_t	bsize;		/* size of boot image */
164 	uint32_t	usize;		/* size of ucode image */
165 	uint32_t	fsize;		/* size of firmware image */
166 };
167 
168 struct iwi_hdr {
169 	uint8_t	type;
170 #define IWI_HDR_TYPE_DATA	0
171 #define IWI_HDR_TYPE_COMMAND	1
172 #define IWI_HDR_TYPE_NOTIF	3
173 #define IWI_HDR_TYPE_FRAME	9
174 
175 	uint8_t	seq;
176 	uint8_t	flags;
177 #define IWI_HDR_FLAG_IRQ	0x04
178 
179 	uint8_t	reserved;
180 } __packed;
181 
182 struct iwi_notif {
183 	uint32_t	reserved[2];
184 	uint8_t		type;
185 #define IWI_NOTIF_TYPE_SUCCESS		0
186 #define IWI_NOTIF_TYPE_UNSPECIFIED	1	/* unspecified failure */
187 #define IWI_NOTIF_TYPE_ASSOCIATION	10
188 #define IWI_NOTIF_TYPE_AUTHENTICATION	11
189 #define IWI_NOTIF_TYPE_SCAN_CHANNEL	12
190 #define IWI_NOTIF_TYPE_SCAN_COMPLETE	13
191 #define IWI_NOTIF_TYPE_FRAG_LENGTH	14
192 #define IWI_NOTIF_TYPE_LINK_QUALITY	15	/* "link deterioration" */
193 #define IWI_NOTIF_TYPE_BEACON		17	/* beacon state, e.g. miss */
194 #define	IWI_NOTIF_TYPE_TGI_TX_KEY	18	/* WPA transmit key */
195 #define IWI_NOTIF_TYPE_CALIBRATION	20
196 #define IWI_NOTIF_TYPE_NOISE		25
197 
198 	uint8_t		flags;
199 	uint16_t	len;
200 } __packed;
201 
202 /* structure for notification IWI_NOTIF_TYPE_AUTHENTICATION */
203 struct iwi_notif_authentication {
204 	uint8_t	state;
205 #define IWI_AUTH_FAIL		0
206 #define	IWI_AUTH_SENT_1		1		/* tx first frame */
207 #define	IWI_AUTH_RECV_2		2		/* rx second frame */
208 #define	IWI_AUTH_SEQ1_PASS	3		/* 1st exchange passed */
209 #define	IWI_AUTH_SEQ1_FAIL	4		/* 1st exchange failed */
210 #define IWI_AUTH_SUCCESS	9
211 } __packed;
212 
213 /* structure for notification IWI_NOTIF_TYPE_ASSOCIATION */
214 struct iwi_notif_association {
215 	uint8_t			state;
216 #define IWI_ASSOC_INIT		0
217 #define IWI_ASSOC_SUCCESS	12
218 	uint8_t			pad[11];
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 	uint32_t number;
240 } __packed;
241 
242 /* received frame header */
243 struct iwi_frame {
244 	uint32_t	reserved1[2];
245 	uint8_t		chan;
246 	uint8_t		status;
247 	uint8_t		rate;
248 	uint8_t		rssi;
249 	uint8_t		agc;
250 	uint8_t		rssi_dbm;
251 	uint16_t	signal;
252 	uint16_t	noise;
253 	uint8_t		antenna;
254 	uint8_t		control;
255 	uint8_t		reserved2[2];
256 	uint16_t	len;
257 } __packed;
258 
259 /* header for transmission */
260 struct iwi_tx_desc {
261 	struct iwi_hdr	hdr;
262 	uint32_t	reserved1;
263 	uint8_t		station;	/* adhoc sta #, 0 for bss */
264 	uint8_t		reserved2[3];
265 	uint8_t		cmd;
266 #define IWI_DATA_CMD_TX	0x0b
267 
268 	uint8_t		seq;
269 	uint16_t	len;
270 	uint8_t		priority;
271 	uint8_t		flags;
272 #define IWI_DATA_FLAG_SHPREAMBLE	0x04
273 #define IWI_DATA_FLAG_NO_WEP		0x20
274 #define IWI_DATA_FLAG_NEED_ACK		0x80
275 
276 	uint8_t		xflags;
277 #define IWI_DATA_XFLAG_QOS	0x10
278 
279 	uint8_t		wep_txkey;
280 	uint8_t		wepkey[IEEE80211_KEYBUF_SIZE];
281 	uint8_t		rate;
282 	uint8_t		antenna;
283 	uint8_t		reserved3[10];
284 	struct ieee80211_qosframe_addr4	wh;
285 	uint32_t	iv;
286 	uint32_t	eiv;
287 
288 	uint32_t	nseg;
289 #define IWI_MAX_NSEG	6
290 	uint32_t	seg_addr[IWI_MAX_NSEG];
291 	uint16_t	seg_len[IWI_MAX_NSEG];
292 } __packed;
293 
294 /* command */
295 struct iwi_cmd_desc {
296 	struct iwi_hdr	hdr;
297 	uint8_t		type;
298 #define IWI_CMD_ENABLE				2
299 #define IWI_CMD_SET_CONFIG			6
300 #define IWI_CMD_SET_ESSID			8
301 #define IWI_CMD_SET_MAC_ADDRESS			11
302 #define IWI_CMD_SET_RTS_THRESHOLD		15
303 #define IWI_CMD_SET_FRAG_THRESHOLD		16
304 #define IWI_CMD_SET_POWER_MODE			17
305 #define IWI_CMD_SET_WEP_KEY			18
306 #define IWI_CMD_SCAN				20
307 #define IWI_CMD_ASSOCIATE			21
308 #define IWI_CMD_SET_RATES			22
309 #define IWI_CMD_ABORT_SCAN			23
310 #define IWI_CMD_SET_WME_PARAMS			25
311 #define IWI_CMD_SCAN_EXT			26
312 #define IWI_CMD_SET_OPTIE			31
313 #define IWI_CMD_DISABLE				33
314 #define IWI_CMD_SET_IV				34
315 #define IWI_CMD_SET_TX_POWER			35
316 #define IWI_CMD_SET_SENSITIVITY			42
317 #define IWI_CMD_SET_WMEIE			84
318 
319 	uint8_t		len;
320 	uint16_t	reserved;
321 	uint8_t		data[120];
322 } __packed;
323 
324 /* node information (IBSS) */
325 struct iwi_ibssnode {
326 	uint8_t	bssid[IEEE80211_ADDR_LEN];
327 	uint8_t	reserved[2];
328 } __packed;
329 
330 /* constants for 'mode' fields */
331 #define IWI_MODE_11A	0
332 #define IWI_MODE_11B	1
333 #define IWI_MODE_11G	2
334 
335 /* possible values for command IWI_CMD_SET_POWER_MODE */
336 #define IWI_POWER_MODE_CAM	0	/* no power save */
337 #define IWI_POWER_MODE_PSP	3
338 #define IWI_POWER_MODE_MAX	5	/* max power save operation */
339 
340 /* structure for command IWI_CMD_SET_RATES */
341 struct iwi_rateset {
342 	uint8_t	mode;
343 	uint8_t	nrates;
344 	uint8_t	type;
345 #define IWI_RATESET_TYPE_NEGOTIATED	0
346 #define IWI_RATESET_TYPE_SUPPORTED	1
347 
348 	uint8_t	reserved;
349 #define	IWI_RATESET_SIZE	12
350 	uint8_t	rates[IWI_RATESET_SIZE];
351 } __packed;
352 
353 /* structure for command IWI_CMD_SET_TX_POWER */
354 struct iwi_txpower {
355 	uint8_t	nchan;
356 	uint8_t	mode;
357 	struct {
358 		uint8_t	chan;
359 		uint8_t	power;
360 #define IWI_TXPOWER_MAX		20
361 #define IWI_TXPOWER_RATIO	(IEEE80211_TXPOWER_MAX / IWI_TXPOWER_MAX)
362 	} __packed chan[37];
363 } __packed;
364 
365 /* structure for command IWI_CMD_ASSOCIATE */
366 struct iwi_associate {
367 	uint8_t		chan;		/* channel # */
368 	uint8_t		auth;		/* type and key */
369 #define IWI_AUTH_OPEN	0
370 #define IWI_AUTH_SHARED	1
371 #define IWI_AUTH_NONE	3
372 
373 	uint8_t		type;		/* request */
374 #define	IWI_HC_ASSOC		0
375 #define	IWI_HC_REASSOC		1
376 #define	IWI_HC_DISASSOC		2
377 #define	IWI_HC_IBSS_START	3
378 #define	IWI_HC_IBSS_RECONF	4
379 #define	IWI_HC_DISASSOC_QUIET	5
380 	uint8_t		reserved;
381 	uint16_t	policy;
382 #define IWI_POLICY_WME	1
383 #define IWI_POLICY_WPA	2
384 
385 	uint8_t		plen;		/* preamble length */
386 	uint8_t		mode;		/* 11a, 11b, or 11g */
387 	uint8_t		bssid[IEEE80211_ADDR_LEN];
388 	uint8_t		tstamp[8];	/* tsf for beacon sync */
389 	uint16_t	capinfo;
390 	uint16_t	lintval;	/* listen interval */
391 	uint16_t	intval;		/* beacon interval */
392 	uint8_t		dst[IEEE80211_ADDR_LEN];
393 	uint16_t	atim_window;
394 	uint8_t		smr;
395 	uint8_t		reserved1;
396 	uint16_t	reserved2;
397 } __packed;
398 
399 #define	IWI_SCAN_CHANNELS	54
400 
401 /* structure for command IWI_CMD_SCAN */
402 struct iwi_scan {
403 	uint8_t		type;
404 	uint16_t	dwelltime;	/* channel dwell time (ms) */
405 	uint8_t		channels[IWI_SCAN_CHANNELS];
406 #define IWI_CHAN_5GHZ	(0 << 6)
407 #define IWI_CHAN_2GHZ	(1 << 6)
408 
409 	uint8_t		reserved[3];
410 } __packed;
411 
412 /* scan type codes */
413 #define IWI_SCAN_TYPE_PASSIVE_STOP	0 /* passive, stop on first beacon */
414 #define IWI_SCAN_TYPE_PASSIVE		1 /* passive, full dwell on channel */
415 #define IWI_SCAN_TYPE_DIRECTED		2 /* active, directed probe req */
416 #define IWI_SCAN_TYPE_BROADCAST		3 /* active, bcast probe req */
417 #define IWI_SCAN_TYPE_BDIRECTED		4 /* active, directed+bcast probe */
418 #define IWI_SCAN_TYPES			5
419 
420 /* scan result codes */
421 #define IWI_SCAN_COMPLETED		1 /* scan compeleted sucessfully */
422 #define IWI_SCAN_ABORTED		2 /* scan was aborted by the driver */
423 
424 /* structure for command IWI_CMD_SCAN_EXT */
425 struct iwi_scan_ext {
426 	uint32_t	full_scan_index;
427 	uint8_t		channels[IWI_SCAN_CHANNELS];
428 	uint8_t		scan_type[IWI_SCAN_CHANNELS / 2];
429 	uint8_t		reserved;
430 	uint16_t	dwell_time[IWI_SCAN_TYPES];
431 } __packed;
432 
433 /* structure for command IWI_CMD_SET_CONFIG */
434 struct iwi_configuration {
435 	uint8_t	bluetooth_coexistence;
436 	uint8_t	reserved1;
437 	uint8_t	answer_pbreq;		/* answer bcast ssid probe req frames */
438 	uint8_t	allow_invalid_frames;	/* accept data frames w/ errors */
439 	uint8_t	multicast_enabled;	/* accept frames w/ any bssid */
440 	uint8_t	drop_unicast_unencrypted;
441 	uint8_t	disable_unicast_decryption;
442 	uint8_t	drop_multicast_unencrypted;
443 	uint8_t	disable_multicast_decryption;
444 	uint8_t	antenna;		/* antenna diversity */
445 #define	IWI_ANTENNA_AUTO	0	/* firmware selects best antenna */
446 #define	IWI_ANTENNA_A		1	/* use antenna A only */
447 #define	IWI_ANTENNA_B		3	/* use antenna B only */
448 #define	IWI_ANTENNA_SLOWDIV	2	/* slow diversity algorithm */
449 	uint8_t	include_crc;		/* include crc in rx'd frames */
450 	uint8_t	use_protection;		/* auto-detect 11g operation */
451 	uint8_t	protection_ctsonly;	/* use CTS-to-self protection */
452 	uint8_t	enable_multicast_filtering;
453 	uint8_t	bluetooth_threshold;	/* collision threshold */
454 	uint8_t	silence_threshold;	/* silence over/under threshold */
455 	uint8_t	allow_beacon_and_probe_resp;/* accept frames w/ any bssid */
456 	uint8_t	allow_mgt;		/* accept frames w/ any bssid */
457 	uint8_t	noise_reported;		/* report noise stats to host */
458 	uint8_t	reserved5;
459 } __packed;
460 
461 /* structure for command IWI_CMD_SET_WEP_KEY */
462 struct iwi_wep_key {
463 	uint8_t	cmd;
464 #define IWI_WEP_KEY_CMD_SETKEY	0x08
465 
466 	uint8_t	seq;
467 	uint8_t	idx;
468 	uint8_t	len;
469 	uint8_t	key[IEEE80211_KEYBUF_SIZE];
470 } __packed;
471 
472 /* structure for command IWI_CMD_SET_WME_PARAMS */
473 struct iwi_wme_params {
474 	uint16_t	cwmin[WME_NUM_AC];
475 	uint16_t	cwmax[WME_NUM_AC];
476 	uint8_t		aifsn[WME_NUM_AC];
477 	uint8_t		acm[WME_NUM_AC];
478 	uint16_t	burst[WME_NUM_AC];
479 } __packed;
480 
481 /* structure for command IWI_CMD_SET_SENSITIVTY */
482 struct iwi_sensitivity {
483 	uint16_t rssi;			/* beacon rssi in dBm */
484 #define	IWI_RSSI_TO_DBM		112
485 	uint16_t reserved;
486 } __packed;
487 
488 #define IWI_MEM_EEPROM_EVENT	0x00300004
489 #define IWI_MEM_EEPROM_CTL	0x00300040
490 
491 #define IWI_EEPROM_MAC	0x21
492 #define IWI_EEPROM_NIC	0x25		/* nic type (lsb) */
493 #define IWI_EEPROM_SKU	0x25		/* nic type (msb) */
494 
495 #define IWI_EEPROM_DELAY	1	/* minimum hold time (microsecond) */
496 
497 #define IWI_EEPROM_C	(1 << 0)	/* Serial Clock */
498 #define IWI_EEPROM_S	(1 << 1)	/* Chip Select */
499 #define IWI_EEPROM_D	(1 << 2)	/* Serial data input */
500 #define IWI_EEPROM_Q	(1 << 4)	/* Serial data output */
501 
502 #define IWI_EEPROM_SHIFT_D    2
503 #define IWI_EEPROM_SHIFT_Q    4
504 
505 /*
506  * control and status registers access macros
507  */
508 #define CSR_READ_1(sc, reg)						\
509 	bus_space_read_1((sc)->sc_st, (sc)->sc_sh, (reg))
510 
511 #define CSR_READ_2(sc, reg)						\
512 	bus_space_read_2((sc)->sc_st, (sc)->sc_sh, (reg))
513 
514 #define CSR_READ_4(sc, reg)						\
515 	bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
516 
517 #define CSR_READ_REGION_4(sc, offset, datap, count)			\
518 	bus_space_read_region_4((sc)->sc_st, (sc)->sc_sh, (offset),	\
519 	    (datap), (count))
520 
521 #define CSR_WRITE_1(sc, reg, val)					\
522 	bus_space_write_1((sc)->sc_st, (sc)->sc_sh, (reg), (val))
523 
524 #define CSR_WRITE_2(sc, reg, val)					\
525 	bus_space_write_2((sc)->sc_st, (sc)->sc_sh, (reg), (val))
526 
527 #define CSR_WRITE_4(sc, reg, val)					\
528 	bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
529 
530 #define CSR_WRITE_REGION_1(sc, offset, datap, count)			\
531 	bus_space_write_region_1((sc)->sc_st, (sc)->sc_sh, (offset),	\
532 	    (datap), (count))
533 
534 /*
535  * indirect memory space access macros
536  */
537 #define MEM_WRITE_1(sc, addr, val) do {					\
538 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
539 	CSR_WRITE_1((sc), IWI_CSR_INDIRECT_DATA, (val));		\
540 } while (/* CONSTCOND */0)
541 
542 #define MEM_WRITE_2(sc, addr, val) do {					\
543 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
544 	CSR_WRITE_2((sc), IWI_CSR_INDIRECT_DATA, (val));		\
545 } while (/* CONSTCOND */0)
546 
547 #define MEM_WRITE_4(sc, addr, val) do {					\
548 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
549 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_DATA, (val));		\
550 } while (/* CONSTCOND */0)
551 
552 #define MEM_WRITE_MULTI_1(sc, addr, buf, len) do {			\
553 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
554 	CSR_WRITE_MULTI_1((sc), IWI_CSR_INDIRECT_DATA, (buf), (len));	\
555 } while (/* CONSTCOND */0)
556 
557 /*
558  * EEPROM access macro
559  */
560 #define IWI_EEPROM_CTL(sc, val) do {					\
561 	MEM_WRITE_4((sc), IWI_MEM_EEPROM_CTL, (val));			\
562 	DELAY(IWI_EEPROM_DELAY);					\
563 } while (/* CONSTCOND */0)
564