xref: /dragonfly/sys/dev/netif/iwi/if_iwireg.h (revision 0bb9290e)
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 1.2 2006/05/18 13:51:45 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 struct iwi_hdr {
136 	uint8_t	type;
137 #define IWI_HDR_TYPE_DATA	0
138 #define IWI_HDR_TYPE_COMMAND	1
139 #define IWI_HDR_TYPE_NOTIF	3
140 #define IWI_HDR_TYPE_FRAME	9
141 
142 	uint8_t	seq;
143 	uint8_t	flags;
144 #define IWI_HDR_FLAG_IRQ	0x04
145 
146 	uint8_t	reserved;
147 } __packed;
148 
149 struct iwi_notif {
150 	uint32_t	reserved[2];
151 	uint8_t		type;
152 #define IWI_NOTIF_TYPE_ASSOCIATION	10
153 #define IWI_NOTIF_TYPE_AUTHENTICATION	11
154 #define IWI_NOTIF_TYPE_SCAN_CHANNEL	12
155 #define IWI_NOTIF_TYPE_SCAN_COMPLETE	13
156 #define IWI_NOTIF_TYPE_BEACON		17
157 #define IWI_NOTIF_TYPE_CALIBRATION	20
158 #define IWI_NOTIF_TYPE_NOISE		25
159 
160 	uint8_t		flags;
161 	uint16_t	len;
162 } __packed;
163 
164 /* structure for notification IWI_NOTIF_TYPE_AUTHENTICATION */
165 struct iwi_notif_authentication {
166 	uint8_t	state;
167 #define IWI_DEAUTHENTICATED	0
168 #define IWI_AUTHENTICATED	9
169 } __packed;
170 
171 /* structure for notification IWI_NOTIF_TYPE_ASSOCIATION */
172 struct iwi_notif_association {
173 	uint8_t			state;
174 #define IWI_DEASSOCIATED	0
175 #define IWI_ASSOCIATED		12
176 
177 	struct ieee80211_frame	frame;
178 	uint16_t		capinfo;
179 	uint16_t		status;
180 	uint16_t		associd;
181 } __packed;
182 
183 /* structure for notification IWI_NOTIF_TYPE_SCAN_CHANNEL */
184 struct iwi_notif_scan_channel {
185 	uint8_t	nchan;
186 	uint8_t	reserved[47];
187 } __packed;
188 
189 /* structure for notification IWI_NOTIF_TYPE_SCAN_COMPLETE */
190 struct iwi_notif_scan_complete {
191 	uint8_t	type;
192 	uint8_t	nchan;
193 	uint8_t	status;
194 	uint8_t	reserved;
195 } __packed;
196 
197 /* received frame header */
198 struct iwi_frame {
199 	uint32_t	reserved1[2];
200 	uint8_t		chan;
201 	uint8_t		status;
202 	uint8_t		rate;
203 	uint8_t		rssi;
204 	uint8_t		agc;
205 	uint8_t		rssi_dbm;
206 	uint16_t	signal;
207 	uint16_t	noise;
208 	uint8_t		antenna;
209 	uint8_t		control;
210 	uint8_t		reserved2[2];
211 	uint16_t	len;
212 } __packed;
213 
214 /* header for transmission */
215 struct iwi_tx_desc {
216 	struct iwi_hdr	hdr;
217 	uint32_t	reserved1;
218 	uint8_t		station;
219 	uint8_t		reserved2[3];
220 	uint8_t		cmd;
221 #define IWI_DATA_CMD_TX	0x0b
222 
223 	uint8_t		seq;
224 	uint16_t	len;
225 	uint8_t		priority;
226 	uint8_t		flags;
227 #define IWI_DATA_FLAG_SHPREAMBLE	0x04
228 #define IWI_DATA_FLAG_NO_WEP		0x20
229 #define IWI_DATA_FLAG_NEED_ACK		0x80
230 
231 	uint8_t		xflags;
232 #define IWI_DATA_XFLAG_QOS	0x10
233 
234 	uint8_t		weptxkey;
235 	uint8_t		wepkey[IEEE80211_KEYBUF_SIZE];
236 	uint8_t		rate;
237 	uint8_t		antenna;
238 	uint8_t		reserved3[10];
239 	struct ieee80211_qosframe_addr4	wh;
240 	uint32_t	iv;
241 	uint32_t	eiv;
242 	uint32_t	nseg;
243 #define IWI_MAX_NSEG	6
244 
245 	uint32_t	seg_addr[IWI_MAX_NSEG];
246 	uint16_t	seg_len[IWI_MAX_NSEG];
247 } __packed;
248 
249 /* command */
250 struct iwi_cmd_desc {
251 	struct iwi_hdr	hdr;
252 	uint8_t		type;
253 #define IWI_CMD_ENABLE				2
254 #define IWI_CMD_SET_CONFIG			6
255 #define IWI_CMD_SET_ESSID			8
256 #define IWI_CMD_SET_MAC_ADDRESS			11
257 #define IWI_CMD_SET_RTS_THRESHOLD		15
258 #define IWI_CMD_SET_FRAG_THRESHOLD		16
259 #define IWI_CMD_SET_POWER_MODE			17
260 #define IWI_CMD_SET_WEP_KEY			18
261 #define IWI_CMD_ASSOCIATE			21
262 #define IWI_CMD_SET_RATES			22
263 #define IWI_CMD_ABORT_SCAN			23
264 #define IWI_CMD_SET_WME_PARAMS			25
265 #define IWI_CMD_SCAN				26
266 #define IWI_CMD_SET_OPTIE			31
267 #define IWI_CMD_DISABLE				33
268 #define IWI_CMD_SET_IV				34
269 #define IWI_CMD_SET_TX_POWER			35
270 #define IWI_CMD_SET_SENSITIVITY			42
271 #define IWI_CMD_SET_WMEIE			84
272 
273 	uint8_t		len;
274 	uint16_t	reserved;
275 	uint8_t		data[120];
276 } __packed;
277 
278 /* node information (IBSS) */
279 struct iwi_ibssnode {
280 	uint8_t	bssid[IEEE80211_ADDR_LEN];
281 	uint8_t	reserved[2];
282 } __packed;
283 
284 /* constants for 'mode' fields */
285 #define IWI_MODE_11A	0
286 #define IWI_MODE_11B	1
287 #define IWI_MODE_11G	2
288 
289 /* possible values for command IWI_CMD_SET_POWER_MODE */
290 #define IWI_POWER_MODE_CAM	0
291 
292 /* structure for command IWI_CMD_SET_RATES */
293 struct iwi_rateset {
294 	uint8_t	mode;
295 	uint8_t	nrates;
296 	uint8_t	type;
297 #define IWI_RATESET_TYPE_NEGOTIATED	0
298 #define IWI_RATESET_TYPE_SUPPORTED	1
299 
300 	uint8_t	reserved;
301 	uint8_t	rates[12];
302 } __packed;
303 
304 /* structure for command IWI_CMD_SET_TX_POWER */
305 struct iwi_txpower {
306 	uint8_t	nchan;
307 	uint8_t	mode;
308 	struct {
309 		uint8_t	chan;
310 		uint8_t	power;
311 #define IWI_TXPOWER_MAX		20
312 #define IWI_TXPOWER_RATIO	(IEEE80211_TXPOWER_MAX / IWI_TXPOWER_MAX)
313 	} __packed chan[37];
314 } __packed;
315 
316 /* structure for command IWI_CMD_ASSOCIATE */
317 struct iwi_associate {
318 	uint8_t		chan;
319 	uint8_t		auth;
320 #define IWI_AUTH_OPEN	0
321 #define IWI_AUTH_SHARED	1
322 #define IWI_AUTH_NONE	3
323 
324 	uint8_t		type;
325 	uint8_t		reserved1;
326 	uint16_t	policy;
327 #define IWI_POLICY_WME	1
328 #define IWI_POLICY_WPA	2
329 
330 	uint8_t		plen;
331 	uint8_t		mode;
332 	uint8_t		bssid[IEEE80211_ADDR_LEN];
333 	uint8_t		tstamp[8];
334 	uint16_t	capinfo;
335 	uint16_t	lintval;
336 	uint16_t	intval;
337 	uint8_t		dst[IEEE80211_ADDR_LEN];
338 	uint32_t	reserved3;
339 	uint16_t	reserved4;
340 } __packed;
341 
342 /* structure for command IWI_CMD_SCAN */
343 struct iwi_scan {
344 	uint32_t	index;
345 	uint8_t		channels[54];
346 #define IWI_CHAN_5GHZ	(0 << 6)
347 #define IWI_CHAN_2GHZ	(1 << 6)
348 
349 	uint8_t		type[27];
350 #define IWI_SCAN_TYPE_PASSIVE	0x11
351 #define IWI_SCAN_TYPE_DIRECTED	0x22
352 #define IWI_SCAN_TYPE_BROADCAST	0x33
353 #define IWI_SCAN_TYPE_BDIRECTED	0x44
354 
355 	uint8_t		reserved1;
356 	uint16_t	reserved2;
357 	uint16_t	passive;	/* dwell time */
358 	uint16_t	directed;	/* dwell time */
359 	uint16_t	broadcast;	/* dwell time */
360 	uint16_t	bdirected;	/* dwell time */
361 } __packed;
362 
363 /* structure for command IWI_CMD_SET_CONFIG */
364 struct iwi_configuration {
365 	uint8_t	bluetooth_coexistence;
366 	uint8_t	reserved1;
367 	uint8_t	answer_pbreq;
368 	uint8_t	allow_invalid_frames;
369 	uint8_t	multicast_enabled;
370 	uint8_t	drop_unicast_unencrypted;
371 	uint8_t	disable_unicast_decryption;
372 	uint8_t	drop_multicast_unencrypted;
373 	uint8_t	disable_multicast_decryption;
374 	uint8_t	antenna;
375 	uint8_t	reserved2;
376 	uint8_t	use_protection;
377 	uint8_t	protection_ctsonly;
378 	uint8_t	enable_multicast_filtering;
379 	uint8_t	bluetooth_threshold;
380 	uint8_t	reserved4;
381 	uint8_t	allow_beacon_and_probe_resp;
382 	uint8_t	allow_mgt;
383 	uint8_t	noise_reported;
384 	uint8_t	reserved5;
385 } __packed;
386 
387 /* structure for command IWI_CMD_SET_WEP_KEY */
388 struct iwi_wep_key {
389 	uint8_t	cmd;
390 #define IWI_WEP_KEY_CMD_SETKEY	0x08
391 
392 	uint8_t	seq;
393 	uint8_t	idx;
394 	uint8_t	len;
395 	uint8_t	key[IEEE80211_KEYBUF_SIZE];
396 } __packed;
397 
398 /* structure for command IWI_CMD_SET_WME_PARAMS */
399 struct iwi_wme_params {
400 	uint16_t	cwmin[WME_NUM_AC];
401 	uint16_t	cwmax[WME_NUM_AC];
402 	uint8_t		aifsn[WME_NUM_AC];
403 	uint8_t		acm[WME_NUM_AC];
404 	uint16_t	burst[WME_NUM_AC];
405 } __packed;
406 
407 #define IWI_MEM_EVENT_CTL	0x00300004
408 #define IWI_MEM_EEPROM_CTL	0x00300040
409 
410 /* possible flags for register IWI_MEM_EVENT */
411 #define IWI_LED_ASSOC	(1 << 5)
412 #define IWI_LED_MASK	0xd9fffffb
413 
414 #define IWI_EEPROM_MAC	0x21
415 
416 #define IWI_EEPROM_DELAY	1	/* minimum hold time (microsecond) */
417 
418 #define IWI_EEPROM_C	(1 << 0)	/* Serial Clock */
419 #define IWI_EEPROM_S	(1 << 1)	/* Chip Select */
420 #define IWI_EEPROM_D	(1 << 2)	/* Serial data input */
421 #define IWI_EEPROM_Q	(1 << 4)	/* Serial data output */
422 
423 #define IWI_EEPROM_SHIFT_D    2
424 #define IWI_EEPROM_SHIFT_Q    4
425 
426 /*
427  * control and status registers access macros
428  */
429 #define CSR_READ_1(sc, reg)						\
430 	bus_space_read_1((sc)->sc_st, (sc)->sc_sh, (reg))
431 
432 #define CSR_READ_2(sc, reg)						\
433 	bus_space_read_2((sc)->sc_st, (sc)->sc_sh, (reg))
434 
435 #define CSR_READ_4(sc, reg)						\
436 	bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
437 
438 #define CSR_READ_REGION_4(sc, offset, datap, count)			\
439 	bus_space_read_region_4((sc)->sc_st, (sc)->sc_sh, (offset),	\
440 	    (datap), (count))
441 
442 #define CSR_WRITE_1(sc, reg, val)					\
443 	bus_space_write_1((sc)->sc_st, (sc)->sc_sh, (reg), (val))
444 
445 #define CSR_WRITE_2(sc, reg, val)					\
446 	bus_space_write_2((sc)->sc_st, (sc)->sc_sh, (reg), (val))
447 
448 #define CSR_WRITE_4(sc, reg, val)					\
449 	bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
450 
451 #define CSR_WRITE_REGION_1(sc, offset, datap, count)			\
452 	bus_space_write_region_1((sc)->sc_st, (sc)->sc_sh, (offset),	\
453 	    (datap), (count))
454 
455 /*
456  * indirect memory space access macros
457  */
458 #define MEM_READ_1(sc, addr)						\
459 	(CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr)),		\
460 	 CSR_READ_1((sc), IWI_CSR_INDIRECT_DATA))
461 
462 #define MEM_READ_4(sc, addr)						\
463 	(CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr)),		\
464 	 CSR_READ_4((sc), IWI_CSR_INDIRECT_DATA))
465 
466 #define MEM_WRITE_1(sc, addr, val) do {					\
467 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
468 	CSR_WRITE_1((sc), IWI_CSR_INDIRECT_DATA, (val));		\
469 } while (/* CONSTCOND */0)
470 
471 #define MEM_WRITE_2(sc, addr, val) do {					\
472 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
473 	CSR_WRITE_2((sc), IWI_CSR_INDIRECT_DATA, (val));		\
474 } while (/* CONSTCOND */0)
475 
476 #define MEM_WRITE_4(sc, addr, val) do {					\
477 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
478 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_DATA, (val));		\
479 } while (/* CONSTCOND */0)
480 
481 #define MEM_WRITE_MULTI_1(sc, addr, buf, len) do {			\
482 	CSR_WRITE_4((sc), IWI_CSR_INDIRECT_ADDR, (addr));		\
483 	CSR_WRITE_MULTI_1((sc), IWI_CSR_INDIRECT_DATA, (buf), (len));	\
484 } while (/* CONSTCOND */0)
485 
486 /*
487  * EEPROM access macro
488  */
489 #define IWI_EEPROM_CTL(sc, val) do {					\
490 	MEM_WRITE_4((sc), IWI_MEM_EEPROM_CTL, (val));			\
491 	DELAY(IWI_EEPROM_DELAY);					\
492 } while (/* CONSTCOND */0)
493