1/*      $FreeBSD: releng/12.0/sys/dev/ipw/if_ipwreg.h 326255 2017-11-27 14:52:40Z pfg $	*/
2
3/*-
4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 */
126struct ipw_firmware_hdr {
127	uint32_t	version;
128	uint32_t	mainsz;
129	uint32_t	ucodesz;
130} __packed;
131
132/* buffer descriptor */
133struct 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 */
147struct 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 */
164struct 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 */
180struct 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 */
234struct 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 */
241struct 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 */
257struct 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 */
266struct 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 */
279struct 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 */
289struct 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