xref: /openbsd/sys/dev/pci/if_ipwreg.h (revision 5a0a66db)
1 /*	$OpenBSD: if_ipwreg.h,v 1.16 2008/08/28 15:08:38 damien Exp $	*/
2 
3 /*-
4  * Copyright (c) 2004-2008
5  *      Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
6  *
7  * Permission to use, copy, modify, and distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 #define IPW_NTBD	128
21 #define IPW_TBD_SZ	(IPW_NTBD * sizeof (struct ipw_bd))
22 #define IPW_NDATA	(IPW_NTBD / 2)
23 #define IPW_NRBD	128
24 #define IPW_RBD_SZ	(IPW_NRBD * sizeof (struct ipw_bd))
25 #define IPW_STATUS_SZ	(IPW_NRBD * sizeof (struct ipw_status))
26 
27 #define IPW_CSR_INTR		0x0008
28 #define IPW_CSR_INTR_MASK	0x000c
29 #define IPW_CSR_INDIRECT_ADDR	0x0010
30 #define IPW_CSR_INDIRECT_DATA	0x0014
31 #define IPW_CSR_AUTOINC_ADDR	0x0018
32 #define IPW_CSR_AUTOINC_DATA	0x001c
33 #define IPW_CSR_RST		0x0020
34 #define IPW_CSR_CTL		0x0024
35 #define IPW_CSR_IO		0x0030
36 #define IPW_CSR_TX_BD_BASE	0x0200
37 #define IPW_CSR_TX_BD_SIZE	0x0204
38 #define IPW_CSR_RX_BD_BASE	0x0240
39 #define IPW_CSR_RX_STATUS_BASE	0x0244
40 #define IPW_CSR_RX_BD_SIZE	0x0248
41 #define IPW_CSR_TX_READ_INDEX	0x0280
42 #define IPW_CSR_RX_READ_INDEX	0x02a0
43 #define IPW_CSR_TABLE1_BASE	0x0380
44 #define IPW_CSR_TABLE2_BASE	0x0384
45 #define IPW_CSR_TX_WRITE_INDEX	0x0f80
46 #define IPW_CSR_RX_WRITE_INDEX	0x0fa0
47 
48 /* possible flags for register IPW_CSR_INTR */
49 #define IPW_INTR_TX_TRANSFER	0x00000001
50 #define IPW_INTR_RX_TRANSFER	0x00000002
51 #define IPW_INTR_STATUS_CHANGE	0x00000010
52 #define IPW_INTR_COMMAND_DONE	0x00010000
53 #define IPW_INTR_FW_INIT_DONE	0x01000000
54 #define IPW_INTR_FATAL_ERROR	0x40000000
55 #define IPW_INTR_PARITY_ERROR	0x80000000
56 
57 #define IPW_INTR_MASK							\
58 	(IPW_INTR_TX_TRANSFER | IPW_INTR_RX_TRANSFER |			\
59 	 IPW_INTR_STATUS_CHANGE | IPW_INTR_COMMAND_DONE |		\
60 	 IPW_INTR_FW_INIT_DONE | IPW_INTR_FATAL_ERROR |			\
61 	 IPW_INTR_PARITY_ERROR)
62 
63 /* possible flags for register IPW_CSR_RST */
64 #define IPW_RST_PRINCETON_RESET	0x00000001
65 #define IPW_RST_SW_RESET	0x00000080
66 #define IPW_RST_MASTER_DISABLED	0x00000100
67 #define IPW_RST_STOP_MASTER	0x00000200
68 
69 /* possible flags for register IPW_CSR_CTL */
70 #define IPW_CTL_CLOCK_READY	0x00000001
71 #define IPW_CTL_ALLOW_STANDBY	0x00000002
72 #define IPW_CTL_INIT		0x00000004
73 
74 /* possible flags for register IPW_CSR_IO */
75 #define IPW_IO_GPIO1_ENABLE	0x00000008
76 #define IPW_IO_GPIO1_MASK	0x0000000c
77 #define IPW_IO_GPIO3_MASK	0x000000c0
78 #define IPW_IO_LED_OFF		0x00002000
79 #define IPW_IO_RADIO_DISABLED	0x00010000
80 
81 #define IPW_STATE_ASSOCIATED		0x0004
82 #define IPW_STATE_ASSOCIATION_LOST	0x0008
83 #define IPW_STATE_SCAN_COMPLETE		0x0020
84 #define IPW_STATE_RADIO_DISABLED	0x0100
85 #define IPW_STATE_DISABLED		0x0200
86 #define IPW_STATE_SCANNING		0x0800
87 
88 /* table1 offsets */
89 #define IPW_INFO_LOCK			480
90 #define IPW_INFO_APS_CNT		604
91 #define IPW_INFO_APS_BASE		608
92 #define IPW_INFO_CARD_DISABLED		628
93 #define IPW_INFO_CURRENT_CHANNEL	756
94 #define IPW_INFO_CURRENT_TX_RATE	768
95 
96 /* table2 offsets */
97 #define IPW_INFO_CURRENT_SSID	48
98 #define IPW_INFO_CURRENT_BSSID	112
99 
100 /* supported rates */
101 #define IPW_RATE_DS1	1
102 #define IPW_RATE_DS2	2
103 #define IPW_RATE_DS5	4
104 #define IPW_RATE_DS11	8
105 
106 /* firmware binary image header */
107 struct ipw_firmware_hdr {
108 	uint32_t	version;
109 	uint32_t	main_size;	/* firmware size */
110 	uint32_t	ucode_size;	/* microcode size */
111 } __packed;
112 
113 /* buffer descriptor */
114 struct ipw_bd {
115 	uint32_t	physaddr;
116 	uint32_t	len;
117 	uint8_t		flags;
118 #define IPW_BD_FLAG_TX_FRAME_802_3		0x00
119 #define IPW_BD_FLAG_TX_NOT_LAST_FRAGMENT	0x01
120 #define IPW_BD_FLAG_TX_FRAME_COMMAND		0x02
121 #define IPW_BD_FLAG_TX_FRAME_802_11		0x04
122 #define IPW_BD_FLAG_TX_LAST_FRAGMENT		0x08
123 	uint8_t		nfrag;	/* number of fragments */
124 	uint8_t		reserved[6];
125 } __packed;
126 
127 /* status */
128 struct ipw_status {
129 	uint32_t	len;
130 	uint16_t	code;
131 #define IPW_STATUS_CODE_COMMAND		0
132 #define IPW_STATUS_CODE_NEWSTATE	1
133 #define IPW_STATUS_CODE_DATA_802_11	2
134 #define IPW_STATUS_CODE_DATA_802_3	3
135 #define IPW_STATUS_CODE_NOTIFICATION	4
136 	uint8_t		flags;
137 #define IPW_STATUS_FLAG_DECRYPTED	0x01
138 #define IPW_STATUS_FLAG_WEP_ENCRYPTED	0x02
139 	uint8_t		rssi;	/* received signal strength indicator */
140 } __packed;
141 
142 /* data header */
143 struct ipw_hdr {
144 	uint32_t	type;
145 #define IPW_HDR_TYPE_SEND	33
146 	uint32_t	subtype;
147 	uint8_t		encrypted;
148 	uint8_t		encrypt;
149 	uint8_t		keyidx;
150 	uint8_t		keysz;
151 	uint8_t		key[IEEE80211_KEYBUF_SIZE];
152 	uint8_t		reserved[10];
153 	uint8_t		src_addr[IEEE80211_ADDR_LEN];
154 	uint8_t		dst_addr[IEEE80211_ADDR_LEN];
155 	uint16_t	fragmentsz;
156 } __packed;
157 
158 /* command */
159 struct ipw_cmd {
160 	uint32_t	type;
161 #define IPW_CMD_ENABLE				2
162 #define IPW_CMD_SET_CONFIGURATION		6
163 #define IPW_CMD_SET_ESSID			8
164 #define IPW_CMD_SET_MANDATORY_BSSID		9
165 #define IPW_CMD_SET_MAC_ADDRESS			11
166 #define IPW_CMD_SET_MODE			12
167 #define IPW_CMD_SET_CHANNEL			14
168 #define IPW_CMD_SET_RTS_THRESHOLD		15
169 #define IPW_CMD_SET_FRAG_THRESHOLD		16
170 #define IPW_CMD_SET_POWER_MODE			17
171 #define IPW_CMD_SET_TX_RATES			18
172 #define IPW_CMD_SET_BASIC_TX_RATES		19
173 #define IPW_CMD_SET_WEP_KEY			20
174 #define IPW_CMD_SET_WEP_KEY_INDEX		25
175 #define IPW_CMD_SET_PRIVACY_FLAGS		26
176 #define IPW_CMD_ADD_MULTICAST			27
177 #define IPW_CMD_SET_BEACON_INTERVAL		29
178 #define IPW_CMD_SET_TX_POWER_INDEX		36
179 #define IPW_CMD_BROADCAST_SCAN			43
180 #define IPW_CMD_DISABLE				44
181 #define IPW_CMD_SET_DESIRED_BSSID		45
182 #define IPW_CMD_SET_SCAN_OPTIONS		46
183 #define IPW_CMD_PREPARE_POWER_DOWN		58
184 #define IPW_CMD_DISABLE_PHY			61
185 #define IPW_CMD_SET_MSDU_TX_RATES		62
186 #define IPW_CMD_SET_SECURITY_INFORMATION	67
187 #define IPW_CMD_SET_ASSOC_REQ			69
188 	uint32_t	subtype;
189 	uint32_t	seq;
190 	uint32_t	len;
191 	uint8_t		data[400];
192 	uint32_t	status;
193 	uint8_t		reserved[68];
194 } __packed;
195 
196 /* possible values for command IPW_CMD_SET_POWER_MODE */
197 #define IPW_POWER_MODE_CAM	0
198 #define IPW_POWER_AUTOMATIC	6
199 
200 /* possible values for command IPW_CMD_SET_MODE */
201 #define IPW_MODE_BSS		0
202 #define IPW_MODE_IBSS		1
203 #define IPW_MODE_MONITOR	2
204 
205 /* possible flags for command IPW_CMD_SET_PRIVACY_FLAGS */
206 #define IPW_PRIVACYON	0x8
207 
208 /* structure for command IPW_CMD_SET_WEP_KEY */
209 struct ipw_wep_key {
210 	uint8_t	idx;
211 	uint8_t	len;
212 	uint8_t	key[13];
213 } __packed;
214 
215 /* structure for command IPW_CMD_SET_SECURITY_INFORMATION */
216 struct ipw_security {
217 	uint32_t	ciphers;
218 #define IPW_CIPHER_NONE		0x00000001
219 #define IPW_CIPHER_WEP40	0x00000002
220 #define IPW_CIPHER_TKIP		0x00000004
221 #define IPW_CIPHER_CCMP		0x00000010
222 #define IPW_CIPHER_WEP104	0x00000020
223 	uint16_t	reserved1;
224 	uint8_t		authmode;
225 #define IPW_AUTH_OPEN	0
226 #define IPW_AUTH_SHARED	1
227 	uint16_t	reserved2;
228 } __packed;
229 
230 /* structure for command IPW_CMD_SET_SCAN_OPTIONS */
231 struct ipw_scan_options {
232 	uint32_t	flags;
233 #define IPW_SCAN_DO_NOT_ASSOCIATE	0x00000001
234 #define IPW_SCAN_MIXED_CELL		0x00000002
235 #define IPW_SCAN_PASSIVE		0x00000008
236 	uint32_t	channels;
237 } __packed;
238 
239 /* structure for command IPW_CMD_SET_CONFIGURATION */
240 struct ipw_configuration {
241 	uint32_t	flags;
242 #define IPW_CFG_PROMISCUOUS	0x00000004
243 #define IPW_CFG_PREAMBLE_AUTO	0x00000010
244 #define IPW_CFG_IBSS_AUTO_START	0x00000020
245 #define IPW_CFG_802_1X_ENABLE	0x00004000
246 #define IPW_CFG_BSS_MASK	0x00008000
247 #define IPW_CFG_IBSS_MASK	0x00010000
248 	uint32_t	bss_chan;
249 	uint32_t	ibss_chan;
250 } __packed;
251 
252 /* structure for command IPW_CMD_SET_ASSOC_REQ */
253 struct ipw_assoc_req {
254 	uint16_t	flags;
255 #define IPW_ASSOC_CAPINFO	0x0001
256 #define IPW_ASSOC_LINTVAL	0x0002
257 #define IPW_ASSOC_BSSID		0x0004	/* reassoc */
258 	uint16_t	capinfo;
259 	uint16_t	lintval;
260 	uint8_t		bssid[IEEE80211_ADDR_LEN];
261 	uint32_t	optie_len;
262 	uint8_t		optie[384];
263 } __packed;
264 
265 #define IPW_MEM_EEPROM_CTL	0x00300040
266 
267 #define IPW_EEPROM_MAC	0x21
268 
269 #define IPW_EEPROM_DELAY	1	/* minimum hold time (microsecond) */
270 
271 #define IPW_EEPROM_C	(1 << 0)	/* Serial Clock */
272 #define IPW_EEPROM_S	(1 << 1)	/* Chip Select */
273 #define IPW_EEPROM_D	(1 << 2)	/* Serial data input */
274 #define IPW_EEPROM_Q	(1 << 4)	/* Serial data output */
275 
276 #define IPW_EEPROM_SHIFT_D	2
277 #define IPW_EEPROM_SHIFT_Q	4
278 
279 /*
280  * control and status registers access macros
281  */
282 #define CSR_READ_1(sc, reg)						\
283 	bus_space_read_1((sc)->sc_st, (sc)->sc_sh, (reg))
284 
285 #define CSR_READ_2(sc, reg)						\
286 	bus_space_read_2((sc)->sc_st, (sc)->sc_sh, (reg))
287 
288 #define CSR_READ_4(sc, reg)						\
289 	bus_space_read_4((sc)->sc_st, (sc)->sc_sh, (reg))
290 
291 #define CSR_WRITE_1(sc, reg, val)					\
292 	bus_space_write_1((sc)->sc_st, (sc)->sc_sh, (reg), (val))
293 
294 #define CSR_WRITE_2(sc, reg, val)					\
295 	bus_space_write_2((sc)->sc_st, (sc)->sc_sh, (reg), (val))
296 
297 #define CSR_WRITE_4(sc, reg, val)					\
298 	bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
299 
300 #define CSR_WRITE_MULTI_1(sc, reg, buf, len)				\
301 	bus_space_write_multi_1((sc)->sc_st, (sc)->sc_sh, (reg), 	\
302 	    (buf), (len))
303 
304 /*
305  * indirect memory space access macros
306  */
307 #define MEM_WRITE_1(sc, addr, val) do {					\
308 	CSR_WRITE_4((sc), IPW_CSR_INDIRECT_ADDR, (addr));		\
309 	CSR_WRITE_1((sc), IPW_CSR_INDIRECT_DATA, (val));		\
310 } while (/* CONSTCOND */0)
311 
312 #define MEM_WRITE_2(sc, addr, val) do {					\
313 	CSR_WRITE_4((sc), IPW_CSR_INDIRECT_ADDR, (addr));		\
314 	CSR_WRITE_2((sc), IPW_CSR_INDIRECT_DATA, (val));		\
315 } while (/* CONSTCOND */0)
316 
317 #define MEM_WRITE_4(sc, addr, val) do {					\
318 	CSR_WRITE_4((sc), IPW_CSR_INDIRECT_ADDR, (addr));		\
319 	CSR_WRITE_4((sc), IPW_CSR_INDIRECT_DATA, (val));		\
320 } while (/* CONSTCOND */0)
321 
322 #define MEM_WRITE_MULTI_1(sc, addr, buf, len) do {			\
323 	CSR_WRITE_4((sc), IPW_CSR_INDIRECT_ADDR, (addr));		\
324 	CSR_WRITE_MULTI_1((sc), IPW_CSR_INDIRECT_DATA, (buf), (len));	\
325 } while (/* CONSTCOND */0)
326 
327 /*
328  * EEPROM access macro
329  */
330 #define IPW_EEPROM_CTL(sc, val) do {					\
331 	MEM_WRITE_4((sc), IPW_MEM_EEPROM_CTL, (val));			\
332 	DELAY(IPW_EEPROM_DELAY);					\
333 } while (/* CONSTCOND */0)
334 
335