xref: /dragonfly/sys/dev/netif/iwi/if_iwireg.h (revision e293de53)
1 /*
2  * Copyright (c) 2004-2006
3  *      Damien Bergamini <damien.bergamini@free.fr>.
4  * Copyright (c) 2004, 2005
5  *     Andrew Atrens <atrens@nortelnetworks.com>.
6  *
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice unmodified, this list of conditions, and the following
14  *    disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  * $FreeBSD: src/sys/dev/iwi/if_iwireg.h,v 1.2.2.2 2006/01/29 13:54:19 damien Exp $
32  * $DragonFly: src/sys/dev/netif/iwi/if_iwireg.h,v 1.3 2006/12/23 09:44:26 sephe Exp $
33  */
34 
35 #define IWI_CMD_RING_COUNT	16
36 #define IWI_TX_RING_COUNT	64
37 #define IWI_RX_RING_COUNT	32
38 
39 #define IWI_TX_DESC_SIZE	(sizeof (struct iwi_tx_desc))
40 #define IWI_CMD_DESC_SIZE	(sizeof (struct iwi_cmd_desc))
41 
42 #define IWI_CSR_INTR		0x0008
43 #define IWI_CSR_INTR_MASK	0x000c
44 #define IWI_CSR_INDIRECT_ADDR	0x0010
45 #define IWI_CSR_INDIRECT_DATA	0x0014
46 #define IWI_CSR_AUTOINC_ADDR	0x0018
47 #define IWI_CSR_AUTOINC_DATA	0x001c
48 #define IWI_CSR_RST		0x0020
49 #define IWI_CSR_CTL		0x0024
50 #define IWI_CSR_IO		0x0030
51 #define IWI_CSR_CMD_BASE	0x0200
52 #define IWI_CSR_CMD_SIZE	0x0204
53 #define IWI_CSR_TX1_BASE	0x0208
54 #define IWI_CSR_TX1_SIZE	0x020c
55 #define IWI_CSR_TX2_BASE	0x0210
56 #define IWI_CSR_TX2_SIZE	0x0214
57 #define IWI_CSR_TX3_BASE	0x0218
58 #define IWI_CSR_TX3_SIZE	0x021c
59 #define IWI_CSR_TX4_BASE	0x0220
60 #define IWI_CSR_TX4_SIZE	0x0224
61 #define IWI_CSR_CMD_RIDX	0x0280
62 #define IWI_CSR_TX1_RIDX	0x0284
63 #define IWI_CSR_TX2_RIDX	0x0288
64 #define IWI_CSR_TX3_RIDX	0x028c
65 #define IWI_CSR_TX4_RIDX	0x0290
66 #define IWI_CSR_RX_RIDX		0x02a0
67 #define IWI_CSR_RX_BASE		0x0500
68 #define IWI_CSR_TABLE0_SIZE	0x0700
69 #define IWI_CSR_TABLE0_BASE	0x0704
70 #define IWI_CSR_NODE_BASE	0x0c0c
71 #define IWI_CSR_CMD_WIDX	0x0f80
72 #define IWI_CSR_TX1_WIDX	0x0f84
73 #define IWI_CSR_TX2_WIDX	0x0f88
74 #define IWI_CSR_TX3_WIDX	0x0f8c
75 #define IWI_CSR_TX4_WIDX	0x0f90
76 #define IWI_CSR_RX_WIDX		0x0fa0
77 #define IWI_CSR_READ_INT	0x0ff4
78 
79 /* aliases */
80 #define IWI_CSR_CURRENT_TX_RATE	IWI_CSR_TABLE0_BASE
81 
82 /* flags for IWI_CSR_INTR */
83 #define IWI_INTR_RX_DONE	0x00000002
84 #define IWI_INTR_CMD_DONE	0x00000800
85 #define IWI_INTR_TX1_DONE	0x00001000
86 #define IWI_INTR_TX2_DONE	0x00002000
87 #define IWI_INTR_TX3_DONE	0x00004000
88 #define IWI_INTR_TX4_DONE	0x00008000
89 #define IWI_INTR_FW_INITED	0x01000000
90 #define IWI_INTR_RADIO_OFF	0x04000000
91 #define IWI_INTR_FATAL_ERROR	0x40000000
92 #define IWI_INTR_PARITY_ERROR	0x80000000
93 
94 #define IWI_INTR_MASK							\
95 	(IWI_INTR_RX_DONE | IWI_INTR_CMD_DONE |	IWI_INTR_TX1_DONE | 	\
96 	 IWI_INTR_TX2_DONE | IWI_INTR_TX3_DONE | IWI_INTR_TX4_DONE |	\
97 	 IWI_INTR_FW_INITED | IWI_INTR_RADIO_OFF |			\
98 	 IWI_INTR_FATAL_ERROR | IWI_INTR_PARITY_ERROR)
99 
100 /* flags for IWI_CSR_RST */
101 #define IWI_RST_PRINCETON_RESET	0x00000001
102 #define IWI_RST_SOFT_RESET	0x00000080
103 #define IWI_RST_MASTER_DISABLED	0x00000100
104 #define IWI_RST_STOP_MASTER	0x00000200
105 
106 /* flags for IWI_CSR_CTL */
107 #define IWI_CTL_CLOCK_READY	0x00000001
108 #define IWI_CTL_ALLOW_STANDBY	0x00000002
109 #define IWI_CTL_INIT		0x00000004
110 
111 /* flags for IWI_CSR_IO */
112 #define IWI_IO_RADIO_ENABLED	0x00010000
113 
114 /* flags for IWI_CSR_READ_INT */
115 #define IWI_READ_INT_INIT_HOST	0x20000000
116 
117 /* constants for command blocks */
118 #define IWI_CB_DEFAULT_CTL	0x8cea0000
119 #define IWI_CB_MAXDATALEN	8191
120 
121 /* supported rates */
122 #define IWI_RATE_DS1	10
123 #define IWI_RATE_DS2	20
124 #define IWI_RATE_DS5	55
125 #define IWI_RATE_DS11	110
126 #define IWI_RATE_OFDM6	13
127 #define IWI_RATE_OFDM9	15
128 #define IWI_RATE_OFDM12	5
129 #define IWI_RATE_OFDM18	7
130 #define IWI_RATE_OFDM24	9
131 #define IWI_RATE_OFDM36	11
132 #define IWI_RATE_OFDM48	1
133 #define IWI_RATE_OFDM54	3
134 
135 /*
136  * New version firmware images contain boot, ucode and firmware
137  * all in one chunk. The header at the beginning gives the version
138  * and the size of each (sub)image, in le32 format.
139  */
140 struct iwi_firmware_hdr {
141 	uint16_t	reserved;
142 	uint8_t		vermaj;	/* major version */
143 	uint8_t		vermin;	/* minor version */
144 	uint32_t	bsize;	/* size of boot image */
145 	uint32_t	usize;	/* size of ucode image */
146 	uint32_t	fsize;	/* size of firmware image */
147 } __packed;
148 
149 struct iwi_hdr {
150 	uint8_t	type;
151 #define IWI_HDR_TYPE_DATA	0
152 #define IWI_HDR_TYPE_COMMAND	1
153 #define IWI_HDR_TYPE_NOTIF	3
154 #define IWI_HDR_TYPE_FRAME	9
155 
156 	uint8_t	seq;
157 	uint8_t	flags;
158 #define IWI_HDR_FLAG_IRQ	0x04
159 
160 	uint8_t	reserved;
161 } __packed;
162 
163 struct iwi_notif {
164 	uint32_t	reserved[2];
165 	uint8_t		type;
166 #define IWI_NOTIF_TYPE_ASSOCIATION	10
167 #define IWI_NOTIF_TYPE_AUTHENTICATION	11
168 #define IWI_NOTIF_TYPE_SCAN_CHANNEL	12
169 #define IWI_NOTIF_TYPE_SCAN_COMPLETE	13
170 #define IWI_NOTIF_TYPE_BEACON		17
171 #define IWI_NOTIF_TYPE_CALIBRATION	20
172 #define IWI_NOTIF_TYPE_NOISE		25
173 
174 	uint8_t		flags;
175 	uint16_t	len;
176 } __packed;
177 
178 /* structure for notification IWI_NOTIF_TYPE_AUTHENTICATION */
179 struct iwi_notif_authentication {
180 	uint8_t	state;
181 #define IWI_DEAUTHENTICATED	0
182 #define IWI_AUTHENTICATED	9
183 } __packed;
184 
185 /* structure for notification IWI_NOTIF_TYPE_ASSOCIATION */
186 struct iwi_notif_association {
187 	uint8_t			state;
188 #define IWI_DEASSOCIATED	0
189 #define IWI_ASSOCIATED		12
190 
191 	struct ieee80211_frame	frame;
192 	uint16_t		capinfo;
193 	uint16_t		status;
194 	uint16_t		associd;
195 } __packed;
196 
197 /* structure for notification IWI_NOTIF_TYPE_SCAN_CHANNEL */
198 struct iwi_notif_scan_channel {
199 	uint8_t	nchan;
200 	uint8_t	reserved[47];
201 } __packed;
202 
203 /* structure for notification IWI_NOTIF_TYPE_SCAN_COMPLETE */
204 struct iwi_notif_scan_complete {
205 	uint8_t	type;
206 	uint8_t	nchan;
207 	uint8_t	status;
208 	uint8_t	reserved;
209 } __packed;
210 
211 /* received frame header */
212 struct iwi_frame {
213 	uint32_t	reserved1[2];
214 	uint8_t		chan;
215 	uint8_t		status;
216 	uint8_t		rate;
217 	uint8_t		rssi;
218 	uint8_t		agc;
219 	uint8_t		rssi_dbm;
220 	uint16_t	signal;
221 	uint16_t	noise;
222 	uint8_t		antenna;
223 	uint8_t		control;
224 	uint8_t		reserved2[2];
225 	uint16_t	len;
226 } __packed;
227 
228 /* header for transmission */
229 struct iwi_tx_desc {
230 	struct iwi_hdr	hdr;
231 	uint32_t	reserved1;
232 	uint8_t		station;
233 	uint8_t		reserved2[3];
234 	uint8_t		cmd;
235 #define IWI_DATA_CMD_TX	0x0b
236 
237 	uint8_t		seq;
238 	uint16_t	len;
239 	uint8_t		priority;
240 	uint8_t		flags;
241 #define IWI_DATA_FLAG_SHPREAMBLE	0x04
242 #define IWI_DATA_FLAG_NO_WEP		0x20
243 #define IWI_DATA_FLAG_NEED_ACK		0x80
244 
245 	uint8_t		xflags;
246 #define IWI_DATA_XFLAG_QOS	0x10
247 
248 	uint8_t		weptxkey;
249 	uint8_t		wepkey[IEEE80211_KEYBUF_SIZE];
250 	uint8_t		rate;
251 	uint8_t		antenna;
252 	uint8_t		reserved3[10];
253 	struct ieee80211_qosframe_addr4	wh;
254 	uint32_t	iv;
255 	uint32_t	eiv;
256 	uint32_t	nseg;
257 #define IWI_MAX_NSEG	6
258 
259 	uint32_t	seg_addr[IWI_MAX_NSEG];
260 	uint16_t	seg_len[IWI_MAX_NSEG];
261 } __packed;
262 
263 /* command */
264 struct iwi_cmd_desc {
265 	struct iwi_hdr	hdr;
266 	uint8_t		type;
267 #define IWI_CMD_ENABLE				2
268 #define IWI_CMD_SET_CONFIG			6
269 #define IWI_CMD_SET_ESSID			8
270 #define IWI_CMD_SET_MAC_ADDRESS			11
271 #define IWI_CMD_SET_RTS_THRESHOLD		15
272 #define IWI_CMD_SET_FRAG_THRESHOLD		16
273 #define IWI_CMD_SET_POWER_MODE			17
274 #define IWI_CMD_SET_WEP_KEY			18
275 #define IWI_CMD_ASSOCIATE			21
276 #define IWI_CMD_SET_RATES			22
277 #define IWI_CMD_ABORT_SCAN			23
278 #define IWI_CMD_SET_WME_PARAMS			25
279 #define IWI_CMD_SCAN				26
280 #define IWI_CMD_SET_OPTIE			31
281 #define IWI_CMD_DISABLE				33
282 #define IWI_CMD_SET_IV				34
283 #define IWI_CMD_SET_TX_POWER			35
284 #define IWI_CMD_SET_SENSITIVITY			42
285 #define IWI_CMD_SET_WMEIE			84
286 
287 	uint8_t		len;
288 	uint16_t	reserved;
289 	uint8_t		data[120];
290 } __packed;
291 
292 /* node information (IBSS) */
293 struct iwi_ibssnode {
294 	uint8_t	bssid[IEEE80211_ADDR_LEN];
295 	uint8_t	reserved[2];
296 } __packed;
297 
298 /* constants for 'mode' fields */
299 #define IWI_MODE_11A	0
300 #define IWI_MODE_11B	1
301 #define IWI_MODE_11G	2
302 
303 /* possible values for command IWI_CMD_SET_POWER_MODE */
304 #define IWI_POWER_MODE_CAM	0
305 
306 /* structure for command IWI_CMD_SET_RATES */
307 struct iwi_rateset {
308 	uint8_t	mode;
309 	uint8_t	nrates;
310 	uint8_t	type;
311 #define IWI_RATESET_TYPE_NEGOTIATED	0
312 #define IWI_RATESET_TYPE_SUPPORTED	1
313 
314 	uint8_t	reserved;
315 
316 #define IWI_RATESET_MAXSIZE	12
317 	uint8_t	rates[IWI_RATESET_MAXSIZE];
318 } __packed;
319 
320 /* structure for command IWI_CMD_SET_TX_POWER */
321 struct iwi_txpower {
322 	uint8_t	nchan;
323 	uint8_t	mode;
324 	struct {
325 		uint8_t	chan;
326 		uint8_t	power;
327 #define IWI_TXPOWER_MAX		20
328 #define IWI_TXPOWER_RATIO	(IEEE80211_TXPOWER_MAX / IWI_TXPOWER_MAX)
329 	} __packed chan[37];
330 } __packed;
331 
332 /* structure for command IWI_CMD_ASSOCIATE */
333 struct iwi_associate {
334 	uint8_t		chan;
335 	uint8_t		auth;
336 #define IWI_AUTH_OPEN	0
337 #define IWI_AUTH_SHARED	1
338 #define IWI_AUTH_NONE	3
339 
340 	uint8_t		type;
341 	uint8_t		reserved1;
342 	uint16_t	policy;
343 #define IWI_POLICY_WME	1
344 #define IWI_POLICY_WPA	2
345 
346 	uint8_t		plen;
347 	uint8_t		mode;
348 	uint8_t		bssid[IEEE80211_ADDR_LEN];
349 	uint8_t		tstamp[8];
350 	uint16_t	capinfo;
351 	uint16_t	lintval;
352 	uint16_t	intval;
353 	uint8_t		dst[IEEE80211_ADDR_LEN];
354 	uint32_t	reserved3;
355 	uint16_t	reserved4;
356 } __packed;
357 
358 /* structure for command IWI_CMD_SCAN */
359 struct iwi_scan {
360 	uint32_t	index;
361 	uint8_t		channels[54];
362 #define IWI_CHAN_5GHZ	(0 << 6)
363 #define IWI_CHAN_2GHZ	(1 << 6)
364 
365 	uint8_t		type[27];
366 #define IWI_SCAN_TYPE_PASSIVE	0x11
367 #define IWI_SCAN_TYPE_DIRECTED	0x22
368 #define IWI_SCAN_TYPE_BROADCAST	0x33
369 #define IWI_SCAN_TYPE_BDIRECTED	0x44
370 
371 	uint8_t		reserved1;
372 	uint16_t	reserved2;
373 	uint16_t	passive;	/* dwell time */
374 	uint16_t	directed;	/* dwell time */
375 	uint16_t	broadcast;	/* dwell time */
376 	uint16_t	bdirected;	/* dwell time */
377 } __packed;
378 
379 /* structure for command IWI_CMD_SET_CONFIG */
380 struct iwi_configuration {
381 	uint8_t	bluetooth_coexistence;
382 	uint8_t	reserved1;
383 	uint8_t	answer_pbreq;
384 	uint8_t	allow_invalid_frames;
385 	uint8_t	multicast_enabled;
386 	uint8_t	drop_unicast_unencrypted;
387 	uint8_t	disable_unicast_decryption;
388 	uint8_t	drop_multicast_unencrypted;
389 	uint8_t	disable_multicast_decryption;
390 	uint8_t	antenna;
391 	uint8_t	reserved2;
392 	uint8_t	use_protection;
393 	uint8_t	protection_ctsonly;
394 	uint8_t	enable_multicast_filtering;
395 	uint8_t	bluetooth_threshold;
396 	uint8_t	reserved4;
397 	uint8_t	allow_beacon_and_probe_resp;
398 	uint8_t	allow_mgt;
399 	uint8_t	noise_reported;
400 	uint8_t	reserved5;
401 } __packed;
402 
403 /* structure for command IWI_CMD_SET_WEP_KEY */
404 struct iwi_wep_key {
405 	uint8_t	cmd;
406 #define IWI_WEP_KEY_CMD_SETKEY	0x08
407 
408 	uint8_t	seq;
409 	uint8_t	idx;
410 	uint8_t	len;
411 	uint8_t	key[IEEE80211_KEYBUF_SIZE];
412 } __packed;
413 
414 /* structure for command IWI_CMD_SET_WME_PARAMS */
415 struct iwi_wme_params {
416 	uint16_t	cwmin[WME_NUM_AC];
417 	uint16_t	cwmax[WME_NUM_AC];
418 	uint8_t		aifsn[WME_NUM_AC];
419 	uint8_t		acm[WME_NUM_AC];
420 	uint16_t	burst[WME_NUM_AC];
421 } __packed;
422 
423 #define IWI_MEM_EVENT_CTL	0x00300004
424 #define IWI_MEM_EEPROM_CTL	0x00300040
425 
426 /* possible flags for register IWI_MEM_EVENT */
427 #define IWI_LED_ASSOC	(1 << 5)
428 #define IWI_LED_MASK	0xd9fffffb
429 
430 #define IWI_EEPROM_MAC	0x21
431 
432 #define IWI_EEPROM_DELAY	1	/* minimum hold time (microsecond) */
433 
434 #define IWI_EEPROM_C	(1 << 0)	/* Serial Clock */
435 #define IWI_EEPROM_S	(1 << 1)	/* Chip Select */
436 #define IWI_EEPROM_D	(1 << 2)	/* Serial data input */
437 #define IWI_EEPROM_Q	(1 << 4)	/* Serial data output */
438 
439 #define IWI_EEPROM_SHIFT_D    2
440 #define IWI_EEPROM_SHIFT_Q    4
441 
442 /*
443  * control and status registers access macros
444  */
445 #define CSR_READ_1(sc, reg)						\
446 	bus_space_read_1((sc)->sc_st, (sc)->sc_sh, (reg))
447 
448 #define CSR_READ_2(sc, reg)						\
449 	bus_space_read_2((sc)->sc_st, (sc)->sc_sh, (reg))
450 
451 #define CSR_READ_4(sc, reg)						\
452 	bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
453 
454 #define CSR_READ_REGION_4(sc, offset, datap, count)			\
455 	bus_space_read_region_4((sc)->sc_st, (sc)->sc_sh, (offset),	\
456 	    (datap), (count))
457 
458 #define CSR_WRITE_1(sc, reg, val)					\
459 	bus_space_write_1((sc)->sc_st, (sc)->sc_sh, (reg), (val))
460 
461 #define CSR_WRITE_2(sc, reg, val)					\
462 	bus_space_write_2((sc)->sc_st, (sc)->sc_sh, (reg), (val))
463 
464 #define CSR_WRITE_4(sc, reg, val)					\
465 	bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
466 
467 #define CSR_WRITE_REGION_1(sc, offset, datap, count)			\
468 	bus_space_write_region_1((sc)->sc_st, (sc)->sc_sh, (offset),	\
469 	    (datap), (count))
470 
471 /*
472  * indirect memory space access macros
473  */
474 #define MEM_READ_1(sc, addr)						\
475 	(CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr)),		\
476 	 CSR_READ_1((sc), IWI_CSR_INDIRECT_DATA))
477 
478 #define MEM_READ_4(sc, addr)						\
479 	(CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr)),		\
480 	 CSR_READ_4((sc), IWI_CSR_INDIRECT_DATA))
481 
482 #define MEM_WRITE_1(sc, addr, val) do {					\
483 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
484 	CSR_WRITE_1((sc), IWI_CSR_INDIRECT_DATA, (val));		\
485 } while (/* CONSTCOND */0)
486 
487 #define MEM_WRITE_2(sc, addr, val) do {					\
488 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
489 	CSR_WRITE_2((sc), IWI_CSR_INDIRECT_DATA, (val));		\
490 } while (/* CONSTCOND */0)
491 
492 #define MEM_WRITE_4(sc, addr, val) do {					\
493 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
494 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_DATA, (val));		\
495 } while (/* CONSTCOND */0)
496 
497 #define MEM_WRITE_MULTI_1(sc, addr, buf, len) do {			\
498 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
499 	CSR_WRITE_MULTI_1((sc), IWI_CSR_INDIRECT_DATA, (buf), (len));	\
500 } while (/* CONSTCOND */0)
501 
502 /*
503  * EEPROM access macro
504  */
505 #define IWI_EEPROM_CTL(sc, val) do {					\
506 	MEM_WRITE_4((sc), IWI_MEM_EEPROM_CTL, (val));			\
507 	DELAY(IWI_EEPROM_DELAY);					\
508 } while (/* CONSTCOND */0)
509