xref: /freebsd/sys/dev/ipw/if_ipwreg.h (revision bdd1243d)
1 /*      $FreeBSD$	*/
2 
3 /*-
4  * SPDX-License-Identifier: BSD-2-Clause
5  *
6  * Copyright (c) 2004-2006
7  *      Damien Bergamini <damien.bergamini@free.fr>. 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 
32 #define IPW_NTBD	128
33 #define IPW_TBD_SZ	(IPW_NTBD * sizeof (struct ipw_bd))
34 #define IPW_NDATA	(IPW_NTBD / 2)
35 #define IPW_NRBD	128
36 #define IPW_RBD_SZ	(IPW_NRBD * sizeof (struct ipw_bd))
37 #define IPW_STATUS_SZ	(IPW_NRBD * sizeof (struct ipw_status))
38 
39 #define IPW_CSR_INTR		0x0008
40 #define IPW_CSR_INTR_MASK	0x000c
41 #define IPW_CSR_INDIRECT_ADDR	0x0010
42 #define IPW_CSR_INDIRECT_DATA	0x0014
43 #define IPW_CSR_AUTOINC_ADDR	0x0018
44 #define IPW_CSR_AUTOINC_DATA	0x001c
45 #define IPW_CSR_RST		0x0020
46 #define IPW_CSR_CTL		0x0024
47 #define IPW_CSR_IO		0x0030
48 #define IPW_CSR_TX_BASE		0x0200
49 #define IPW_CSR_TX_SIZE		0x0204
50 #define IPW_CSR_RX_BASE		0x0240
51 #define IPW_CSR_STATUS_BASE	0x0244
52 #define IPW_CSR_RX_SIZE		0x0248
53 #define IPW_CSR_TX_READ		0x0280
54 #define IPW_CSR_RX_READ		0x02a0
55 #define IPW_CSR_TABLE1_BASE	0x0380
56 #define IPW_CSR_TABLE2_BASE	0x0384
57 #define IPW_CSR_TX_WRITE	0x0f80
58 #define IPW_CSR_RX_WRITE	0x0fa0
59 
60 /* possible flags for register IPW_CSR_INTR */
61 #define IPW_INTR_TX_TRANSFER	0x00000001
62 #define IPW_INTR_RX_TRANSFER	0x00000002
63 #define IPW_INTR_STATUS_CHANGE	0x00000010
64 #define IPW_INTR_COMMAND_DONE	0x00010000
65 #define IPW_INTR_FW_INIT_DONE	0x01000000
66 #define IPW_INTR_FATAL_ERROR	0x40000000
67 #define IPW_INTR_PARITY_ERROR	0x80000000
68 
69 #define IPW_INTR_MASK							\
70 	(IPW_INTR_TX_TRANSFER | IPW_INTR_RX_TRANSFER |			\
71 	 IPW_INTR_STATUS_CHANGE | IPW_INTR_COMMAND_DONE |		\
72 	 IPW_INTR_FW_INIT_DONE | IPW_INTR_FATAL_ERROR |			\
73 	 IPW_INTR_PARITY_ERROR)
74 
75 /* possible flags for register IPW_CSR_RST */
76 #define IPW_RST_PRINCETON_RESET	0x00000001
77 #define IPW_RST_SW_RESET	0x00000080
78 #define IPW_RST_MASTER_DISABLED	0x00000100
79 #define IPW_RST_STOP_MASTER	0x00000200
80 
81 /* possible flags for register IPW_CSR_CTL */
82 #define IPW_CTL_CLOCK_READY	0x00000001
83 #define IPW_CTL_ALLOW_STANDBY	0x00000002
84 #define IPW_CTL_INIT		0x00000004
85 
86 /* possible flags for register IPW_CSR_IO */
87 #define IPW_IO_GPIO1_ENABLE	0x00000008
88 #define IPW_IO_GPIO1_MASK	0x0000000c
89 #define IPW_IO_GPIO3_MASK	0x000000c0
90 #define IPW_IO_LED_OFF		0x00002000
91 #define IPW_IO_RADIO_DISABLED	0x00010000
92 
93 /* state codes sent by fw on IPW_STATUS_CODE_NEWSTATE interrupt */
94 #define IPW_STATE_INITIALIZED		0x0001
95 #define IPW_STATE_CC_FOUND		0x0002	/* 802.11d cc received */
96 #define IPW_STATE_ASSOCIATED		0x0004
97 #define IPW_STATE_ASSOCIATION_LOST	0x0008
98 #define IPW_STATE_ASSOCIATION_CHANGED	0x0010	/* assoc params changed? */
99 #define IPW_STATE_SCAN_COMPLETE		0x0020
100 #define IPW_STATE_PS_ENTER		0x0040	/* entered power-save mode */
101 #define IPW_STATE_PS_EXIT		0x0080	/* exited power-save mode */
102 #define IPW_STATE_RADIO_DISABLED	0x0100
103 #define IPW_STATE_DISABLED		0x0200
104 #define IPW_STATE_POWER_DOWN		0x0400	/* ??? */
105 #define IPW_STATE_SCANNING		0x0800
106 
107 /* table1 offsets */
108 #define IPW_INFO_LOCK			480
109 #define IPW_INFO_APS_CNT		604
110 #define IPW_INFO_APS_BASE		608
111 #define IPW_INFO_CARD_DISABLED		628
112 #define IPW_INFO_CURRENT_CHANNEL	756
113 #define IPW_INFO_CURRENT_TX_RATE	768
114 
115 /* table2 offsets */
116 #define IPW_INFO_CURRENT_SSID	48
117 #define IPW_INFO_CURRENT_BSSID	112
118 
119 /* supported rates */
120 #define IPW_RATE_DS1	1
121 #define IPW_RATE_DS2	2
122 #define IPW_RATE_DS5	4
123 #define IPW_RATE_DS11	8
124 
125 /* firmware binary image header */
126 struct ipw_firmware_hdr {
127 	uint32_t	version;
128 	uint32_t	mainsz;
129 	uint32_t	ucodesz;
130 } __packed;
131 
132 /* buffer descriptor */
133 struct ipw_bd {
134 	uint32_t	physaddr;
135 	uint32_t	len;
136 	uint8_t		flags;
137 #define IPW_BD_FLAG_TX_FRAME_802_3		0x00
138 #define IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT	0x01
139 #define IPW_BD_FLAG_TX_FRAME_COMMAND		0x02
140 #define IPW_BD_FLAG_TX_FRAME_802_11		0x04
141 #define IPW_BD_FLAG_TX_LAST_FRAGMENT		0x08
142 	uint8_t		nfrag;	/* number of fragments */
143 	uint8_t		reserved[6];
144 } __packed;
145 
146 /* status */
147 struct ipw_status {
148 	uint32_t	len;
149 	uint16_t	code;
150 #define IPW_STATUS_CODE_COMMAND		0
151 #define IPW_STATUS_CODE_NEWSTATE	1
152 #define IPW_STATUS_CODE_DATA_802_11	2
153 #define IPW_STATUS_CODE_DATA_802_3	3
154 #define IPW_STATUS_CODE_NOTIFICATION	4
155 	uint8_t		flags;
156 #define IPW_STATUS_FLAG_DECRYPTED	0x01
157 #define IPW_STATUS_FLAG_WEP_ENCRYPTED	0x02
158 #define IPW_STATUS_FLAG_CRC_ERROR	0x04
159 	uint8_t		rssi;	/* received signal strength indicator */
160 #define	IPW_RSSI_TO_DBM	(-98)		/* XXX fixed nf to convert dBm */
161 } __packed;
162 
163 /* data header */
164 struct ipw_hdr {
165 	uint32_t	type;
166 #define IPW_HDR_TYPE_SEND	33
167 	uint32_t	subtype;
168 	uint8_t		encrypted;
169 	uint8_t		encrypt;
170 	uint8_t		keyidx;
171 	uint8_t		keysz;
172 	uint8_t		key[IEEE80211_KEYBUF_SIZE];
173 	uint8_t		reserved[10];
174 	uint8_t		src_addr[IEEE80211_ADDR_LEN];
175 	uint8_t		dst_addr[IEEE80211_ADDR_LEN];
176 	uint16_t	fragmentsz;
177 } __packed;
178 
179 /* command */
180 struct ipw_cmd {
181 	uint32_t	type;
182 #define IPW_CMD_ENABLE				2
183 #define IPW_CMD_SET_CONFIGURATION		6
184 #define IPW_CMD_SET_ESSID			8
185 #define IPW_CMD_SET_MANDATORY_BSSID		9
186 #define IPW_CMD_SET_MAC_ADDRESS			11
187 #define IPW_CMD_SET_MODE			12
188 #define IPW_CMD_SET_CHANNEL			14
189 #define IPW_CMD_SET_RTS_THRESHOLD		15
190 #define IPW_CMD_SET_FRAG_THRESHOLD		16
191 #define IPW_CMD_SET_POWER_MODE			17
192 #define IPW_CMD_SET_TX_RATES			18
193 #define IPW_CMD_SET_BASIC_TX_RATES		19
194 #define IPW_CMD_SET_WEP_KEY			20
195 #define IPW_CMD_SET_WEP_KEY_INDEX		25
196 #define IPW_CMD_SET_WEP_FLAGS			26
197 #define IPW_CMD_ADD_MULTICAST			27
198 #define IPW_CMD_SET_BEACON_INTERVAL		29
199 #define IPW_CMD_SET_TX_POWER_INDEX		36
200 #define IPW_CMD_BROADCAST_SCAN			43
201 #define IPW_CMD_DISABLE				44
202 #define IPW_CMD_SET_DESIRED_BSSID		45
203 #define IPW_CMD_SET_SCAN_OPTIONS		46
204 #define IPW_CMD_SET_SCAN_DWELL_TIME		47
205 #define IPW_CMD_SET_SHORT_RETRY			51
206 #define IPW_CMD_SET_LONG_RETRY			52
207 #define IPW_CMD_PREPARE_POWER_DOWN		58
208 #define IPW_CMD_DISABLE_PHY			61
209 #define IPW_CMD_SET_MSDU_TX_RATES		62
210 #define IPW_CMD_SET_SECURITY_INFO		67
211 #define IPW_CMD_DISASSOCIATE			68
212 #define IPW_CMD_SET_WPA_IE			69
213 	uint32_t	subtype;
214 	uint32_t	seq;
215 	uint32_t	len;
216 	uint8_t		data[400];
217 	uint32_t	status;
218 	uint8_t		reserved[68];
219 } __packed;
220 
221 /* possible values for command IPW_CMD_SET_POWER_MODE */
222 #define IPW_POWER_MODE_CAM	0
223 #define IPW_POWER_MODE_AUTO	6
224 
225 /* possible values for command IPW_CMD_SET_MODE */
226 #define IPW_MODE_BSS		0
227 #define IPW_MODE_IBSS		1
228 #define IPW_MODE_MONITOR	2
229 
230 /* possible flags for command IPW_CMD_SET_WEP_FLAGS */
231 #define IPW_WEPON	0x8
232 
233 /* structure for command IPW_CMD_SET_WEP_KEY */
234 struct ipw_wep_key {
235 	uint8_t	idx;
236 	uint8_t	len;
237 	uint8_t	key[13];
238 } __packed;
239 
240 /* structure for command IPW_CMD_SET_SECURITY_INFORMATION */
241 struct ipw_security {
242 	uint32_t	ciphers;
243 #define IPW_CIPHER_NONE		0x00000001
244 #define IPW_CIPHER_WEP40	0x00000002
245 #define IPW_CIPHER_TKIP		0x00000004
246 #define IPW_CIPHER_CCMP		0x00000010
247 #define IPW_CIPHER_WEP104	0x00000020
248 #define IPW_CIPHER_CKIP		0x00000040
249 	uint16_t	reserved1;
250 	uint8_t		authmode;
251 #define IPW_AUTH_OPEN	0
252 #define IPW_AUTH_SHARED	1
253 	uint16_t	reserved2;
254 } __packed;
255 
256 /* structure for command IPW_CMD_SET_SCAN_OPTIONS */
257 struct ipw_scan_options {
258 	uint32_t	flags;
259 #define IPW_SCAN_DO_NOT_ASSOCIATE	0x00000001
260 #define IPW_SCAN_MIXED_CELL		0x00000002
261 #define IPW_SCAN_PASSIVE		0x00000008
262 	uint32_t	channels;
263 } __packed;
264 
265 /* structure for command IPW_CMD_SET_CONFIGURATION */
266 struct ipw_configuration {
267 	uint32_t	flags;
268 #define IPW_CFG_PROMISCUOUS	0x00000004
269 #define IPW_CFG_PREAMBLE_AUTO	0x00000010
270 #define IPW_CFG_IBSS_AUTO_START	0x00000020
271 #define IPW_CFG_802_1x_ENABLE	0x00004000
272 #define IPW_CFG_BSS_MASK	0x00008000
273 #define IPW_CFG_IBSS_MASK	0x00010000
274 	uint32_t	bss_chan;
275 	uint32_t	ibss_chan;
276 } __packed;
277 
278 /* structure for command IPW_CMD_SET_WPA_IE */
279 struct ipw_wpa_ie {
280 	uint16_t	mask;
281 	uint16_t	capinfo;
282 	uint16_t	lintval;
283 	uint8_t		bssid[IEEE80211_ADDR_LEN];
284 	uint32_t	len;
285 	struct ieee80211_ie_wpa	ie;
286 } __packed;
287 
288 /* element in AP table */
289 struct ipw_node {
290 	uint32_t	reserved1[2];
291 	uint8_t		bssid[IEEE80211_ADDR_LEN];
292 	uint8_t		chan;
293 	uint8_t		rates;
294 	uint16_t	reserved2;
295 	uint16_t	capinfo;
296 	uint16_t	reserved3;
297 	uint16_t	intval;
298 	uint8_t		reserved4[28];
299 	uint8_t		essid[IEEE80211_NWID_LEN];
300 	uint16_t	reserved5;
301 	uint8_t		esslen;
302 	uint8_t		reserved6[7];
303 	uint8_t		rssi;
304 } __packed;
305 
306 /* EEPROM = Electrically Erasable Programmable Read-Only Memory */
307 
308 #define IPW_MEM_EEPROM_CTL	0x00300040
309 
310 #define IPW_EEPROM_RADIO	0x11
311 #define IPW_EEPROM_MAC		0x21
312 #define IPW_EEPROM_CHANNEL_LIST	0x37
313 
314 #define IPW_EEPROM_DELAY	1	/* minimum hold time (microsecond) */
315 
316 #define IPW_EEPROM_C	(1 << 0)	/* Serial Clock */
317 #define IPW_EEPROM_S	(1 << 1)	/* Chip Select */
318 #define IPW_EEPROM_D	(1 << 2)	/* Serial data input */
319 #define IPW_EEPROM_Q	(1 << 4)	/* Serial data output */
320 
321 #define IPW_EEPROM_SHIFT_D	2
322 #define IPW_EEPROM_SHIFT_Q	4
323 
324 /*
325  * control and status registers access macros
326  */
327 #define CSR_READ_1(sc, reg)						\
328 	bus_space_read_1((sc)->sc_st, (sc)->sc_sh, (reg))
329 
330 #define CSR_READ_2(sc, reg)						\
331 	bus_space_read_2((sc)->sc_st, (sc)->sc_sh, (reg))
332 
333 #define CSR_READ_4(sc, reg)						\
334 	bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
335 
336 #define CSR_WRITE_1(sc, reg, val)					\
337 	bus_space_write_1((sc)->sc_st, (sc)->sc_sh, (reg), (val))
338 
339 #define CSR_WRITE_2(sc, reg, val)					\
340 	bus_space_write_2((sc)->sc_st, (sc)->sc_sh, (reg), (val))
341 
342 #define CSR_WRITE_4(sc, reg, val)					\
343 	bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
344 
345 #define CSR_WRITE_MULTI_1(sc, reg, buf, len)				\
346 	bus_space_write_multi_1((sc)->sc_st, (sc)->sc_sh, (reg), 	\
347 	    (buf), (len))
348 
349 /*
350  * indirect memory space access macros
351  */
352 #define MEM_READ_1(sc, addr)						\
353 	(CSR_WRITE_4((sc), IPW_CSR_INDIRECT_ADDR, (addr)),		\
354 	 CSR_READ_1((sc), IPW_CSR_INDIRECT_DATA))
355 
356 #define MEM_READ_4(sc, addr)						\
357 	(CSR_WRITE_4((sc), IPW_CSR_INDIRECT_ADDR, (addr)),		\
358 	 CSR_READ_4((sc), IPW_CSR_INDIRECT_DATA))
359 
360 #define MEM_WRITE_1(sc, addr, val) do {					\
361 	CSR_WRITE_4((sc), IPW_CSR_INDIRECT_ADDR, (addr));		\
362 	CSR_WRITE_1((sc), IPW_CSR_INDIRECT_DATA, (val));		\
363 } while (/* CONSTCOND */0)
364 
365 #define MEM_WRITE_2(sc, addr, val) do {					\
366 	CSR_WRITE_4((sc), IPW_CSR_INDIRECT_ADDR, (addr));		\
367 	CSR_WRITE_2((sc), IPW_CSR_INDIRECT_DATA, (val));		\
368 } while (/* CONSTCOND */0)
369 
370 #define MEM_WRITE_4(sc, addr, val) do {					\
371 	CSR_WRITE_4((sc), IPW_CSR_INDIRECT_ADDR, (addr));		\
372 	CSR_WRITE_4((sc), IPW_CSR_INDIRECT_DATA, (val));		\
373 } while (/* CONSTCOND */0)
374 
375 #define MEM_WRITE_MULTI_1(sc, addr, buf, len) do {			\
376 	CSR_WRITE_4((sc), IPW_CSR_INDIRECT_ADDR, (addr));		\
377 	CSR_WRITE_MULTI_1((sc), IPW_CSR_INDIRECT_DATA, (buf), (len));	\
378 } while (/* CONSTCOND */0)
379 
380 /*
381  * EEPROM access macro
382  */
383 #define IPW_EEPROM_CTL(sc, val) do {					\
384 	MEM_WRITE_4((sc), IPW_MEM_EEPROM_CTL, (val));			\
385 	DELAY(IPW_EEPROM_DELAY);					\
386 } while (0)
387