xref: /openbsd/sys/dev/ic/rtwreg.h (revision 4b1a56af)
1 /*	$OpenBSD: rtwreg.h,v 1.15 2022/01/09 05:42:42 jsg Exp $	*/
2 /*	$NetBSD: rtwreg.h,v 1.12 2005/01/16 11:50:43 dyoung Exp $	*/
3 /*-
4  * Copyright (c) 2004, 2005 David Young.  All rights reserved.
5  *
6  * Programmed for NetBSD by David Young.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of David Young may not be used to endorse or promote
17  *    products derived from this software without specific prior
18  *    written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY David Young ``AS IS'' AND ANY
21  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
23  * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL David
24  * Young BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
26  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
28  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
31  * OF SUCH DAMAGE.
32  */
33 /* Macros for bit twiddling. */
34 /* TBD factor w/ dev/ic/atwreg.h. */
35 
36 #ifndef _BIT_TWIDDLE
37 #define _BIT_TWIDDLE
38 
39 /* find least significant bit that is set */
40 #define LOWEST_SET_BIT(x) ((((x) - 1) & (x)) ^ (x))
41 
42 /* for x a power of two and p a non-negative integer, is x a greater
43  * power than 2**p?
44  */
45 #define GTEQ_POWER(x, p) (((u_long)(x) >> (p)) != 0)
46 
47 #define MASK_TO_SHIFT2(m) (GTEQ_POWER(LOWEST_SET_BIT((m)), 1) ? 1 : 0)
48 
49 #define MASK_TO_SHIFT4(m) \
50 	(GTEQ_POWER(LOWEST_SET_BIT((m)), 2) \
51 	    ? 2 + MASK_TO_SHIFT2((m) >> 2) \
52 	    : MASK_TO_SHIFT2((m)))
53 
54 #define MASK_TO_SHIFT8(m) \
55 	(GTEQ_POWER(LOWEST_SET_BIT((m)), 4) \
56 	    ? 4 + MASK_TO_SHIFT4((m) >> 4) \
57 	    : MASK_TO_SHIFT4((m)))
58 
59 #define MASK_TO_SHIFT16(m) \
60 	(GTEQ_POWER(LOWEST_SET_BIT((m)), 8) \
61 	    ? 8 + MASK_TO_SHIFT8((m) >> 8) \
62 	    : MASK_TO_SHIFT8((m)))
63 
64 #define MASK_TO_SHIFT(m) \
65 	(GTEQ_POWER(LOWEST_SET_BIT((m)), 16) \
66 	    ? 16 + MASK_TO_SHIFT16((m) >> 16) \
67 	    : MASK_TO_SHIFT16((m)))
68 
69 #define MASK_AND_RSHIFT(x, mask) (((x) & (mask)) >> MASK_TO_SHIFT(mask))
70 #define LSHIFT(x, mask) ((x) << MASK_TO_SHIFT(mask))
71 #define MASK_AND_REPLACE(reg, val, mask) ((reg & ~mask) | LSHIFT(val, mask))
72 #define PRESHIFT(m) MASK_AND_RSHIFT((m), (m))
73 
74 #endif /* _BIT_TWIDDLE */
75 
76 /* RTL8180/RTL8185 Host Control and Status Registers */
77 
78 #define RTW_IDR0	0x00	/* ID Register: MAC addr, 6 bytes.
79 				 * Auto-loaded from EEPROM. Read by byte,
80 				 * by word, or by double word, but write
81 				 * only by double word.
82 				 */
83 #define RTW_IDR1	0x04
84 
85 #define RTW_MAR0	0x08	/* Multicast filter, 64b. */
86 #define RTW_MAR1	0x0c
87 
88 #define RTW_TSFTRL	0x18	/* Timing Synchronization Function Timer
89 				 * Register, low word, 32b, read-only.
90 				 */
91 #define RTW_TSFTRH	0x1c	/* High word, 32b, read-only. */
92 #define	RTW_TLPDA	0x20	/* Transmit Low Priority Descriptors Start
93 				 * Address, 32b, 256-byte alignment.
94 				 */
95 #define	RTW_TNPDA	0x24	/* Transmit Normal Priority Descriptors Start
96 				 * Address, 32b, 256-byte alignment.
97 				 */
98 #define	RTW_THPDA	0x28	/* Transmit High Priority Descriptors Start
99 				 * Address, 32b, 256-byte alignment.
100 				 */
101 
102 #define RTW_BRSR	0x2c	/* Basic Rate Set Register, 16b */
103 #define	RTW8180_BRSR_BPLCP	(1<<8)	/* 1: Short PLCP CTS/ACK header */
104 #define RTW8180_BRSR_MBR_MASK	0x3	/* Basic Service Rate */
105 #define RTW8180_BRSR_MBR_1MBPS	LSHIFT(0, RTW8180_BRSR_MBR_MASK)
106 #define RTW8180_BRSR_MBR_2MBPS	LSHIFT(1, RTW8180_BRSR_MBR_MASK)
107 #define RTW8180_BRSR_MBR_5MBPS	LSHIFT(2, RTW8180_BRSR_MBR_MASK)
108 #define RTW8180_BRSR_MBR_11MBPS	LSHIFT(3, RTW8180_BRSR_MBR_MASK)
109 #define RTW8185_BRSR_MBR_MASK	0xfff	/* Basic Service Rate */
110 #define RTW8185_BRSR_MBR_1MBPS	(1<<0)
111 #define RTW8185_BRSR_MBR_2MBPS	(1<<1)
112 #define RTW8185_BRSR_MBR_5MBPS	(1<<2)
113 #define RTW8185_BRSR_MBR_11MBPS	(1<<3)
114 #define RTW8185_BRSR_MBR_6MBPS	(1<<4)
115 #define RTW8185_BRSR_MBR_9MBPS	(1<<5)
116 #define RTW8185_BRSR_MBR_12MBPS	(1<<6)
117 #define RTW8185_BRSR_MBR_18MBPS	(1<<7)
118 #define RTW8185_BRSR_MBR_24MBPS	(1<<8)
119 #define RTW8185_BRSR_MBR_36MBPS	(1<<9)
120 #define RTW8185_BRSR_MBR_48MBPS	(1<<10)
121 #define RTW8185_BRSR_MBR_54MBPS	(1<<11)
122 
123 #define RTW_BSSID	0x2e
124 /* BSSID, 6 bytes */
125 #define RTW_BSSID16	0x2e		/* first two bytes */
126 #define RTW_BSSID32	(0x2e + 4)	/* remaining four bytes */
127 #define RTW_BSSID0	RTW_BSSID16		/* BSSID[0], 8b */
128 #define RTW_BSSID1	(RTW_BSSID0 + 1)	/* BSSID[1], 8b */
129 #define RTW_BSSID2	(RTW_BSSID1 + 1)	/* BSSID[2], 8b */
130 #define RTW_BSSID3	(RTW_BSSID2 + 1)	/* BSSID[3], 8b */
131 #define RTW_BSSID4	(RTW_BSSID3 + 1)	/* BSSID[4], 8b */
132 #define RTW_BSSID5	(RTW_BSSID4 + 1)	/* BSSID[5], 8b */
133 
134 #define RTW8185_RR		0x34	/* Response Rate Register, 8b */
135 #define RTW8185_RR_MAX		BIT(7, 4)
136 #define RTW8185_RR_MAX_1MPBS	LSHIFT(0, RTW8185_RR_MAX_MASK)
137 #define RTW8185_RR_MAX_2MPBS	LSHIFT(1, RTW8185_RR_MAX_MASK)
138 #define RTW8185_RR_MAX_5MPBS	LSHIFT(2, RTW8185_RR_MAX_MASK)
139 #define RTW8185_RR_MAX_11MPBS	LSHIFT(3, RTW8185_RR_MAX_MASK)
140 #define RTW8185_RR_MAX_6MPBS	LSHIFT(4, RTW8185_RR_MAX_MASK)
141 #define RTW8185_RR_MAX_9MPBS	LSHIFT(5, RTW8185_RR_MAX_MASK)
142 #define RTW8185_RR_MAX_12MPBS	LSHIFT(6, RTW8185_RR_MAX_MASK)
143 #define RTW8185_RR_MAX_18MPBS	LSHIFT(7, RTW8185_RR_MAX_MASK)
144 #define RTW8185_RR_MAX_24MPBS	LSHIFT(8, RTW8185_RR_MAX_MASK)
145 #define RTW8185_RR_MAX_36MPBS	LSHIFT(9, RTW8185_RR_MAX_MASK)
146 #define RTW8185_RR_MAX_48MPBS	LSHIFT(10, RTW8185_RR_MAX_MASK)
147 #define RTW8185_RR_MAX_54MPBS	LSHIFT(11, RTW8185_RR_MAX_MASK)
148 #define RTW8185_RR_MIN_MASK	BIT(3, 0)
149 #define RTW8185_RR_MIN_1MPBS	LSHIFT(0, RTW8185_RR_MIN_MASK)
150 #define RTW8185_RR_MIN_2MPBS	LSHIFT(1, RTW8185_RR_MIN_MASK)
151 #define RTW8185_RR_MIN_5MPBS	LSHIFT(2, RTW8185_RR_MIN_MASK)
152 #define RTW8185_RR_MIN_11MPBS	LSHIFT(3, RTW8185_RR_MIN_MASK)
153 #define RTW8185_RR_MIN_6MPBS	LSHIFT(4, RTW8185_RR_MIN_MASK)
154 #define RTW8185_RR_MIN_9MPBS	LSHIFT(5, RTW8185_RR_MIN_MASK)
155 #define RTW8185_RR_MIN_12MPBS	LSHIFT(6, RTW8185_RR_MIN_MASK)
156 #define RTW8185_RR_MIN_18MPBS	LSHIFT(7, RTW8185_RR_MIN_MASK)
157 #define RTW8185_RR_MIN_24MPBS	LSHIFT(8, RTW8185_RR_MIN_MASK)
158 #define RTW8185_RR_MIN_36MPBS	LSHIFT(9, RTW8185_RR_MIN_MASK)
159 #define RTW8185_RR_MIN_48MPBS	LSHIFT(10, RTW8185_RR_MIN_MASK)
160 #define RTW8185_RR_MIN_54MPBS	LSHIFT(11, RTW8185_RR_MIN_MASK)
161 
162 #define RTW8185_EIFS_TIMER	0x35	/* Extended IFS Register, 16b ??? */
163 
164 #define	RTW_CR		0x37	/* Command Register, 8b */
165 #define	RTW_CR_RST	(1<<4)	/* Reset: host sets to 1 to disable
166 				 * transmitter & receiver, reinitialize FIFO.
167 				 * RTL8180L sets to 0 to signal completion.
168 				 */
169 #define	RTW_CR_RE	(1<<3)	/* Receiver Enable: host enables receiver
170 				 * by writing 1. RTL8180L indicates receiver
171 				 * is active with 1. After power-up, host
172 				 * must wait for reset before writing.
173 				 */
174 #define	RTW_CR_TE	(1<<2)	/* Transmitter Enable: host enables transmitter
175 				 * by writing 1. RTL8180L indicates transmitter
176 				 * is active with 1. After power-up, host
177 				 * must wait for reset before writing.
178 				 */
179 #define	RTW_CR_MULRW	(1<<0)	/* PCI Multiple Read/Write enable: 1 enables,
180 				 * 0 disables. XXX RTL8180, only?
181 				 */
182 
183 #define	RTW_IMR		0x3c	/* Interrupt Mask Register, 16b */
184 #define	RTW_ISR		0x3e	/* Interrupt Status Register, 16b */
185 
186 #define RTW_INTR_TXFOVW	(1<<15)		/* Tx FIFO underflow */
187 #define RTW_INTR_TIMEOUT	(1<<14)	/* Time Out: 1 indicates
188 					 * RTW_TSFTR[0:31] = RTW_TINT
189 					 */
190 #define RTW_INTR_BCNINT	(1<<13)	/* Beacon Time Out: time for host to
191 				 * prepare beacon:
192 				 * RTW_TSFTR % (RTW_BCNITV_BCNITV * TU) =
193 				 * (RTW_BCNITV_BCNITV * TU - RTW_BINTRITV)
194 				 */
195 #define RTW_INTR_ATIMINT	(1<<12)
196 				/* ATIM Time Out: ATIM interval will pass,
197 				 * RTW_TSFTR % (RTW_BCNITV_BCNITV * TU) =
198 				 * (RTW_ATIMWND_ATIMWND * TU - RTW_ATIMTRITV)
199 				 */
200 #define RTW_INTR_TBDER	(1<<11)	/* Tx Beacon Descriptor Error:
201 				 * beacon transmission aborted because
202 				 * frame Rx'd
203 				 */
204 #define RTW_INTR_TBDOK	(1<<10)	/* Tx Beacon Descriptor OK */
205 #define RTW_INTR_THPDER	(1<<9)	/* Tx High Priority Descriptor Error:
206 				 * reached short/long retry limit
207 				 */
208 #define RTW_INTR_THPDOK	(1<<8)	/* Tx High Priority Descriptor OK */
209 #define RTW_INTR_TNPDER	(1<<7)	/* Tx Normal Priority Descriptor Error:
210 				 * reached short/long retry limit
211 				 */
212 #define RTW_INTR_TNPDOK	(1<<6)	/* Tx Normal Priority Descriptor OK */
213 #define RTW_INTR_RXFOVW	(1<<5)	/* Rx FIFO Overflow: either RDU (see below)
214 				 * or PCI bus too slow/busy
215 				 */
216 #define RTW_INTR_RDU	(1<<4)	/* Rx Descriptor Unavailable */
217 #define RTW_INTR_TLPDER	(1<<3)	/* Tx Normal Priority Descriptor Error
218 				 * reached short/long retry limit
219 				 */
220 #define RTW_INTR_TLPDOK	(1<<2)	/* Tx Normal Priority Descriptor OK */
221 #define RTW_INTR_RER	(1<<1)	/* Rx Error: CRC32 or ICV error */
222 #define RTW_INTR_ROK	(1<<0)	/* Rx OK */
223 
224 /* Convenient interrupt conjunctions. */
225 #define RTW_INTR_RX	(RTW_INTR_RER|RTW_INTR_ROK)
226 #define RTW_INTR_TX	(RTW_INTR_TLPDER|RTW_INTR_TLPDOK|RTW_INTR_THPDER|\
227 			 RTW_INTR_THPDOK|RTW_INTR_TNPDER|RTW_INTR_TNPDOK|\
228 			 RTW_INTR_TBDER|RTW_INTR_TBDOK)
229 #define RTW_INTR_BEACON	(RTW_INTR_BCNINT|RTW_INTR_TBDER|RTW_INTR_TBDOK)
230 #define RTW_INTR_IOERROR	(RTW_INTR_TXFOVW|RTW_INTR_RXFOVW|RTW_INTR_RDU)
231 
232 #define	RTW_TCR		0x40	/* Transmit Configuration Register, 32b */
233 #define RTW_TCR_CWMIN	(1<<31)	/* 1: CWmin = 8, 0: CWmin = 32. */
234 #define RTW_TCR_SWSEQ	(1<<30)	/* 1: host assigns 802.11 sequence number,
235 				 * 0: hardware assigns sequence number
236 				 */
237 #define RTW8185_TCR_NOPROBERSPTO	(1<<29)	/* No Probe Rsp timeout */
238 /* Hardware version ID, read-only */
239 #define RTW_TCR_HWVERID_MASK		0xe000000
240 #define RTW_TCR_HWVERID_RTL8180D	(1<<26)
241 #define RTW_TCR_HWVERID_RTL8180F	0x6000000
242 #define RTW_TCR_HWVERID_RTL8185		((1<<27) | (1<<25))
243 /* Set ACK/CTS Timeout (EIFS).
244  * 1: ACK rate = max(RTW_BRSR_MBR, Rx rate) (XXX not min? typo in datasheet?)
245  * 0: ACK rate = 1Mbps
246  */
247 #define RTW8180_TCR_SAT		(1<<24)
248 /* 1: Software PLCP length,
249  * 0: Hardware PLCP length
250  */
251 #define RTW8185_TCR_PLCPLENGTH	(1<<24)
252 /* Max DMA Burst Size per Tx DMA Burst */
253 #define RTW_TCR_MXDMA_MASK	0xe00000
254 #define RTW_TCR_MXDMA_16	LSHIFT(0, RTW_TCR_MXDMA_MASK)
255 #define RTW_TCR_MXDMA_32	LSHIFT(1, RTW_TCR_MXDMA_MASK)
256 #define RTW_TCR_MXDMA_64	LSHIFT(2, RTW_TCR_MXDMA_MASK)
257 #define RTW_TCR_MXDMA_128	LSHIFT(3, RTW_TCR_MXDMA_MASK)
258 #define RTW_TCR_MXDMA_256	LSHIFT(4, RTW_TCR_MXDMA_MASK)
259 #define RTW_TCR_MXDMA_512	LSHIFT(5, RTW_TCR_MXDMA_MASK)
260 #define RTW_TCR_MXDMA_1024	LSHIFT(6, RTW_TCR_MXDMA_MASK)
261 #define RTW_TCR_MXDMA_2048	LSHIFT(7, RTW_TCR_MXDMA_MASK)
262 
263 #define RTW_TCR_DISCW		(1<<20)	/* disable 802.11 random backoff */
264 
265 #define RTW_TCR_ICV		(1<<19)	/* host lets RTL8180 append ICV to
266 					 * WEP packets
267 					 */
268 
269 /* Loopback Test: disables TXI/TXQ outputs. */
270 #define RTW_TCR_LBK_MASK	0x60000
271 #define RTW_TCR_LBK_NORMAL	LSHIFT(0, RTW_TCR_LBK_MASK) /* normal ops */
272 #define RTW_TCR_LBK_MAC		LSHIFT(1, RTW_TCR_LBK_MASK) /* MAC loopback */
273 #define RTW_TCR_LBK_BBP		LSHIFT(2, RTW_TCR_LBK_MASK) /* baseband loop. */
274 #define RTW_TCR_LBK_CONT	LSHIFT(3, RTW_TCR_LBK_MASK) /* continuous Tx */
275 
276 #define RTW_TCR_CRC	(1<<16)		/* 0: RTL8180 appends CRC32
277 					 * 1: host appends CRC32
278 					 *
279 					 * (I *think* this is right.
280 					 *  The docs have a mysterious
281 					 *  description in the
282 					 *  passive voice.)
283 					 */
284 #define RTW_TCR_SRL_MASK	0xff00	/* Short Retry Limit */
285 #define RTW_TCR_LRL_MASK	0xff	/* Long Retry Limit */
286 
287 #define	RTW_RCR		0x44	/* Receive Configuration Register, 32b */
288 #define RTW_RCR_ONLYERLPKT	(1<<31)	/* only do Early Rx on packets
289 					 * longer than 1536 bytes
290 					 */
291 #define RTW_RCR_ENCS2		(1<<30)	/* enable carrier sense method 2 */
292 #define RTW_RCR_ENCS1		(1<<29)	/* enable carrier sense method 1 */
293 #define RTW_RCR_ENMARP		(1<<28)	/* enable MAC auto-reset PHY */
294 #define RTW_RCR_CBSSID		(1<<23)	/* Check BSSID/ToDS/FromDS: set
295 					 * "Link On" when received BSSID
296 					 * matches RTW_BSSID and received
297 					 * ToDS/FromDS are appropriate
298 					 * according to RTW_MSR_NETYPE.
299 					 */
300 #define RTW_RCR_APWRMGT		(1<<22)	/* accept packets w/ PWRMGMT bit set */
301 #define RTW_RCR_ADD3		(1<<21)	/* when RTW_MSR_NETYPE ==
302 					 * RTW_MSR_NETYPE_INFRA_OK, accept
303 					 * broadcast/multicast packets whose
304 					 * 3rd address matches RTL8180's MAC.
305 					 */
306 #define RTW_RCR_AMF		(1<<20)	/* accept management frames */
307 #define RTW_RCR_ACF		(1<<19)	/* accept control frames */
308 #define RTW_RCR_ADF		(1<<18)	/* accept data frames */
309 /* Rx FIFO Threshold: RTL8180 begins PCI transfer when this many data
310  * bytes are received
311  */
312 #define RTW8180_RCR_RXFTH_MASK	0xe000
313 #define RTW8180_RCR_RXFTH_64	LSHIFT(2, RTW8180_RCR_RXFTH_MASK)
314 #define RTW8180_RCR_RXFTH_128	LSHIFT(3, RTW8180_RCR_RXFTH_MASK)
315 #define RTW8180_RCR_RXFTH_256	LSHIFT(4, RTW8180_RCR_RXFTH_MASK)
316 #define RTW8180_RCR_RXFTH_512	LSHIFT(5, RTW8180_RCR_RXFTH_MASK)
317 #define RTW8180_RCR_RXFTH_1024	LSHIFT(6, RTW8180_RCR_RXFTH_MASK)
318 #define RTW8180_RCR_RXFTH_WHOLE	LSHIFT(7, RTW8180_RCR_RXFTH_MASK)
319 
320 #define RTW_RCR_AICV		(1<<12)	/* accept frames w/ ICV errors */
321 
322 /* Max DMA Burst Size per Rx DMA Burst */
323 #define RTW_RCR_MXDMA_MASK	0x700
324 #define RTW_RCR_MXDMA_16	LSHIFT(0, RTW_RCR_MXDMA_MASK)
325 #define RTW_RCR_MXDMA_32	LSHIFT(1, RTW_RCR_MXDMA_MASK)
326 #define RTW_RCR_MXDMA_64	LSHIFT(2, RTW_RCR_MXDMA_MASK)
327 #define RTW_RCR_MXDMA_128	LSHIFT(3, RTW_RCR_MXDMA_MASK)
328 #define RTW_RCR_MXDMA_256	LSHIFT(4, RTW_RCR_MXDMA_MASK)
329 #define RTW_RCR_MXDMA_512	LSHIFT(5, RTW_RCR_MXDMA_MASK)
330 #define RTW_RCR_MXDMA_1024	LSHIFT(6, RTW_RCR_MXDMA_MASK)
331 #define RTW_RCR_MXDMA_UNLIMITED	LSHIFT(7, RTW_RCR_MXDMA_MASK)
332 
333 /* EEPROM type, read-only. 1: EEPROM is 93c56, 0: 93c46 */
334 #define RTW_RCR_9356SEL		(1<<6)
335 
336 #define RTW_RCR_ACRC32		(1<<5)	/* accept frames w/ CRC32 errors */
337 #define RTW_RCR_AB		(1<<3)	/* accept broadcast frames */
338 #define RTW_RCR_AM		(1<<2)	/* accept multicast frames */
339 /* accept physical match frames. XXX means PLCP header ok? */
340 #define RTW_RCR_APM		(1<<1)
341 #define RTW_RCR_AAP		(1<<0)	/* accept frames w/ destination */
342 
343 /* Additional bits to set in monitor mode. */
344 #define RTW_RCR_MONITOR (		\
345     RTW_RCR_AAP |			\
346     RTW_RCR_ACF |			\
347     RTW_RCR_ACRC32 |			\
348     RTW_RCR_AICV |			\
349     0)
350 
351 /* The packet filter bits. */
352 #define	RTW_RCR_PKTFILTER_MASK (\
353     RTW_RCR_AAP |		\
354     RTW_RCR_AB |		\
355     RTW_RCR_ACF |		\
356     RTW_RCR_ACRC32 |		\
357     RTW_RCR_ADD3 |		\
358     RTW_RCR_ADF |		\
359     RTW_RCR_AICV |		\
360     RTW_RCR_AM |		\
361     RTW_RCR_AMF |		\
362     RTW_RCR_APM |		\
363     RTW_RCR_APWRMGT |		\
364     0)
365 
366 /* Receive power-management frames and mgmt/ctrl/data frames. */
367 #define	RTW_RCR_PKTFILTER_DEFAULT	(	\
368     RTW_RCR_ADF |				\
369     RTW_RCR_AMF |				\
370     RTW_RCR_APM |				\
371     RTW_RCR_APWRMGT |				\
372     0)
373 
374 #define RTW_TINT	0x48	/* Timer Interrupt Register, 32b */
375 #define	RTW_TBDA	0x4c	/* Transmit Beacon Descriptor Start Address,
376 				 * 32b, 256-byte alignment
377 				 */
378 #define RTW_9346CR	0x50	/* 93c46/93c56 Command Register, 8b */
379 #define RTW_9346CR_EEM_MASK	0xc0	/* Operating Mode */
380 #define RTW_9346CR_EEM_NORMAL	LSHIFT(0, RTW_9346CR_EEM_MASK)
381 /* Load the EEPROM. Reset registers to defaults.
382  * Takes ~2ms. RTL8180 indicates completion with RTW_9346CR_EEM_NORMAL.
383  * XXX RTL8180 only?
384  */
385 #define RTW_9346CR_EEM_AUTOLOAD	LSHIFT(1, RTW_9346CR_EEM_MASK)
386 /* Disable network & bus-master operations and enable
387  * _EECS, _EESK, _EEDI, _EEDO.
388  * XXX RTL8180 only?
389  */
390 #define RTW_9346CR_EEM_PROGRAM	LSHIFT(2, RTW_9346CR_EEM_MASK)
391 /* Enable RTW_CONFIG[0123] registers. */
392 #define RTW_9346CR_EEM_CONFIG	LSHIFT(3, RTW_9346CR_EEM_MASK)
393 /* EEPROM pin status/control in _EEM_CONFIG, _EEM_AUTOLOAD modes.
394  * XXX RTL8180 only?
395  */
396 #define RTW_9346CR_EECS	(1<<3)
397 #define RTW_9346CR_EESK	(1<<2)
398 #define RTW_9346CR_EEDI	(1<<1)
399 #define RTW_9346CR_EEDO	(1<<0)	/* read-only */
400 
401 #define RTW_CONFIG0	0x51	/* Configuration Register 0, 8b */
402 #define RTW8180_CONFIG0_WEP40		(1<<7)	/* implements 40-bit WEP,
403 						 */
404 #define RTW8180_CONFIG0_WEP104		(1<<6)	/* implements 104-bit WEP,
405 						 * from EEPROM, read-only
406 						 */
407 #define RTW8180_CONFIG0_LEDGPOEN	(1<<4)	/* 1: RTW_PSR_LEDGPO[01] control
408 						 *    LED[01] pins.
409 						 * 0: LED behavior defined by
410 						 *    RTW_CONFIG1_LEDS10_MASK
411 						 */
412 /* auxiliary power is present, read-only */
413 #define RTW_CONFIG0_AUXPWR		(1<<3)
414 /* Geographic Location, read-only */
415 #define RTW8180_CONFIG0_GL_MASK		0x3
416 #define RTW8180_CONFIG0_GL_USA		LSHIFT(3, RTW8180_CONFIG0_GL_MASK)
417 #define RTW8180_CONFIG0_GL_EUROPE	LSHIFT(2, RTW8180_CONFIG0_GL_MASK)
418 #define RTW8180_CONFIG0_GL_JAPAN	LSHIFT(1, RTW8180_CONFIG0_GL_MASK)
419 #define RTW8180_CONFIG0_GL_JAPAN2	LSHIFT(0, RTW8180_CONFIG0_GL_MASK)
420 /* RTL8181 datasheet says RTW_CONFIG0_GL_JAPAN = 0. */
421 
422 #define RTW_CONFIG1	0x52	/* Configuration Register 1, 8b */
423 
424 /* LED configuration. From EEPROM. Read/write.
425  *
426  * Setting				LED0		LED1
427  * -------				----		----
428  * RTW_CONFIG1_LEDS_ACT_INFRA		Activity	Infrastructure
429  * RTW_CONFIG1_LEDS_ACT_LINK		Activity	Link
430  * RTW_CONFIG1_LEDS_TX_RX		Tx		Rx
431  * RTW_CONFIG1_LEDS_LINKACT_INFRA	Link/Activity	Infrastructure
432  */
433 #define RTW_CONFIG1_LEDS_MASK	0xc0
434 #define RTW_CONFIG1_LEDS_ACT_INFRA	LSHIFT(0, RTW_CONFIG1_LEDS_MASK)
435 #define RTW_CONFIG1_LEDS_ACT_LINK	LSHIFT(1, RTW_CONFIG1_LEDS_MASK)
436 #define RTW_CONFIG1_LEDS_TX_RX		LSHIFT(2, RTW_CONFIG1_LEDS_MASK)
437 #define RTW_CONFIG1_LEDS_LINKACT_INFRA	LSHIFT(3, RTW_CONFIG1_LEDS_MASK)
438 
439 /* LWAKE Output Signal. Only applicable to Cardbus. Pulse width is 150ms.
440  *
441  *                                   RTW_CONFIG1_LWACT
442  *				0			1
443  * RTW_CONFIG4_LWPTN	0	active high		active low
444  *			1	positive pulse		negative pulse
445  */
446 #define RTW_CONFIG1_LWACT	(1<<4)
447 
448 #define RTW_CONFIG1_MEMMAP	(1<<3)	/* using PCI memory space, read-only */
449 #define RTW_CONFIG1_IOMAP	(1<<2)	/* using PCI I/O space, read-only */
450 #define RTW_CONFIG1_VPD		(1<<1)	/* if set, VPD from offsets
451 					 * 0x40-0x7f in EEPROM are at
452 					 * registers 0x60-0x67 of PCI
453 					 * Configuration Space (XXX huh?)
454 					 */
455 #define RTW_CONFIG1_PMEN	(1<<0)	/* Power Management Enable: TBD */
456 
457 #define RTW_CONFIG2	0x53	/* Configuration Register 2, 8b */
458 #define RTW_CONFIG2_LCK	(1<<7)	/* clocks are locked, read-only:
459 				 * Tx frequency & symbol clocks
460 				 * are derived from the same OSC
461 				 */
462 #define RTW8180_CONFIG2_ANT	(1<<6)	/* diversity enabled, read-only */
463 #define RTW_CONFIG2_DPS	(1<<3)	/* Descriptor Polling State: enable
464 				 * test mode.
465 				 */
466 #define RTW_CONFIG2_PAPESIGN		(1<<2)		/* TBD, from EEPROM */
467 #define RTW_CONFIG2_PAPETIME_MASK	0x3	/* TBD, from EEPROM */
468 
469 #define	RTW_ANAPARM_0		0x54	/* Analog parameter, 32b */
470 #define RTW8185_ANAPARM_1	0x60
471 
472 #define RTW_ANAPARM_RFPOW0_MASK	0x70000000		/* undocumented bits
473 							 * which appear to
474 							 * control the power
475 							 * state of the RF
476 							 * components
477 							 */
478 #define	RTW_ANAPARM_RFPOW_MASK	\
479     (RTW_ANAPARM_RFPOW0_MASK|RTW_ANAPARM_RFPOW1_MASK)
480 
481 #define RTW_ANAPARM_TXDACOFF	(1<<27)			/* 1: disable Tx DAC,
482 							 * 0: enable
483 							 */
484 #define RTW_ANAPARM_RFPOW1_MASK	0x7f00000		/* undocumented bits
485 							 * which appear to
486 							 * control the power
487 							 * state of the RF
488 							 * components
489 							 */
490 
491 /*
492  * Maxim On/Sleep/Off control
493  */
494 #define RTW_ANAPARM_RFPOW_MAXIM_ON	LSHIFT(0x8, RTW_ANAPARM_RFPOW1_MASK)
495 
496 /* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
497 #define RTW_ANAPARM_RFPOW_MAXIM_SLEEP	LSHIFT(0x378, RTW_ANAPARM_RFPOW1_MASK)
498 
499 /* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
500 #define RTW_ANAPARM_RFPOW_MAXIM_OFF	LSHIFT(0x379, RTW_ANAPARM_RFPOW1_MASK)
501 
502 /*
503  * RFMD On/Sleep/Off control
504  */
505 #define RTW_ANAPARM_RFPOW_RFMD_ON	LSHIFT(0x408, RTW_ANAPARM_RFPOW1_MASK)
506 
507 /* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
508 #define RTW_ANAPARM_RFPOW_RFMD_SLEEP	LSHIFT(0x378, RTW_ANAPARM_RFPOW1_MASK)
509 
510 /* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
511 #define RTW_ANAPARM_RFPOW_RFMD_OFF	LSHIFT(0x379, RTW_ANAPARM_RFPOW1_MASK)
512 
513 /*
514  * Philips On/Sleep/Off control
515  */
516 #define RTW_ANAPARM_RFPOW_ANA_PHILIPS_ON	\
517     LSHIFT(0x328, RTW_ANAPARM_RFPOW1_MASK)
518 #define RTW_ANAPARM_RFPOW_DIG_PHILIPS_ON	\
519     LSHIFT(0x008, RTW_ANAPARM_RFPOW1_MASK)
520 
521 /* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
522 #define RTW_ANAPARM_RFPOW_PHILIPS_SLEEP\
523     LSHIFT(0x378, RTW_ANAPARM_RFPOW1_MASK)
524 
525 /* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
526 #define RTW_ANAPARM_RFPOW_PHILIPS_OFF\
527     LSHIFT(0x379, RTW_ANAPARM_RFPOW1_MASK)
528 
529 #define RTW_ANAPARM_RFPOW_PHILIPS_ON	LSHIFT(0x328, RTW_ANAPARM_RFPOW1_MASK)
530 
531 #define RTW_ANAPARM_CARDSP_MASK	0xfffff		/* undocumented
532 							 * card-specific
533 							 * bits from the
534 							 * EEPROM.
535 							 */
536 
537 #define RTW_MSR		0x58	/* Media Status Register, 8b */
538 /* Network Type and Link Status */
539 #define RTW_MSR_NETYPE_MASK	0xc
540 /* AP, XXX RTL8181 only? */
541 #define RTW_MSR_NETYPE_AP_OK	LSHIFT(3, RTW_MSR_NETYPE_MASK)
542 /* infrastructure link ok */
543 #define RTW_MSR_NETYPE_INFRA_OK	LSHIFT(2, RTW_MSR_NETYPE_MASK)
544 /* ad-hoc link ok */
545 #define RTW_MSR_NETYPE_ADHOC_OK	LSHIFT(1, RTW_MSR_NETYPE_MASK)
546 /* no link */
547 #define RTW_MSR_NETYPE_NOLINK	LSHIFT(0, RTW_MSR_NETYPE_MASK)
548 
549 #define RTW_CONFIG3	0x59	/* Configuration Register 3, 8b */
550 #define RTW_CONFIG3_GNTSEL	(1<<7)	/* Grant Select, read-only */
551 #define RTW_CONFIG3_PARMEN	(1<<6)	/* Set RTW_CONFIG3_PARMEN and
552 					 * RTW_9346CR_EEM_CONFIG to
553 					 * allow RTW_ANAPARM writes.
554 					 */
555 #define RTW_CONFIG3_MAGIC	(1<<5)	/* Valid when RTW_CONFIG1_PMEN is
556 					 * set. If set, RTL8180 wakes up
557 					 * OS when Magic Packet is Rx'd.
558 					 */
559 #define RTW_CONFIG3_CARDBEN	(1<<3)	/* Cardbus-related registers
560 					 * and functions are enabled,
561 					 * read-only. XXX RTL8180 only.
562 					 */
563 #define RTW_CONFIG3_CLKRUNEN	(1<<2)	/* CLKRUN enabled, read-only.
564 					 * XXX RTL8180 only.
565 					 */
566 #define RTW_CONFIG3_FUNCREGEN	(1<<1)	/* Function Registers Enabled,
567 					 * read-only. XXX RTL8180 only.
568 					 */
569 #define RTW_CONFIG3_FBTBEN	(1<<0)	/* Fast back-to-back enabled,
570 					 * read-only.
571 					 */
572 #define RTW_CONFIG4	0x5A	/* Configuration Register 4, 8b */
573 #define RTW_CONFIG4_VCOPDN	(1<<7)	/* VCO Power Down
574 					 * 0: normal operation
575 					 *    (power-on default)
576 					 * 1: power-down VCO, RF front-end,
577 					 *    and most RTL8180 components.
578 					 */
579 #define RTW_CONFIG4_PWROFF	(1<<6)	/* Power Off
580 					 * 0: normal operation
581 					 *    (power-on default)
582 					 * 1: power-down RF front-end,
583 					 *    and most RTL8180 components,
584 					 *    but leave VCO on.
585 					 *
586 					 * XXX RFMD front-end only?
587 					 */
588 #define RTW_CONFIG4_PWRMGT	(1<<5)	/* Power Management
589 					 * 0: normal operation
590 					 *    (power-on default)
591 					 * 1: set Tx packet's PWRMGMT bit.
592 					 */
593 #define RTW_CONFIG4_LWPME	(1<<4)	/* LANWAKE vs. PMEB: Cardbus-only
594 					 * 0: LWAKE & PMEB asserted
595 					 *    simultaneously
596 					 * 1: LWAKE asserted only if
597 					 *    both PMEB is asserted and
598 					 *    ISOLATEB is low.
599 					 * XXX RTL8180 only.
600 					 */
601 #define RTW_CONFIG4_LWPTN	(1<<2)	/* see RTW_CONFIG1_LWACT
602 					 * XXX RTL8180 only.
603 					 */
604 /* Radio Front-End Programming Method */
605 #define RTW_CONFIG4_RFTYPE_MASK	0x3
606 #define RTW_CONFIG4_RFTYPE_INTERSIL	LSHIFT(1, RTW_CONFIG4_RFTYPE_MASK)
607 #define RTW_CONFIG4_RFTYPE_RFMD		LSHIFT(2, RTW_CONFIG4_RFTYPE_MASK)
608 #define RTW_CONFIG4_RFTYPE_PHILIPS	LSHIFT(3, RTW_CONFIG4_RFTYPE_MASK)
609 
610 #define RTW_TESTR	0x5B	/* TEST mode register, 8b */
611 
612 #define RTW_PSR		0x5e	/* Page Select Register, 8b */
613 #define RTW_PSR_GPO	(1<<7)	/* Control/status of pin 52. */
614 #define RTW_PSR_GPI	(1<<6)	/* Status of pin 64. */
615 #define RTW_PSR_LEDGPO1	(1<<5)	/* Status/control of LED1 pin if
616 				 * RTW_CONFIG0_LEDGPOEN is set.
617 				 */
618 #define RTW_PSR_LEDGPO0	(1<<4)	/* Status/control of LED0 pin if
619 				 * RTW_CONFIG0_LEDGPOEN is set.
620 				 */
621 #define RTW_PSR_UWF	(1<<1)	/* Enable Unicast Wakeup Frame */
622 #define RTW_PSR_PSEN	(1<<0)	/* 1: page 1, 0: page 0 */
623 
624 #define RTW8180_SCR		0x5f	/* Security Configuration Register, 8b */
625 #define RTW8180_SCR_KM_MASK	0x30	/* Key Mode */
626 #define RTW8180_SCR_KM_WEP104	LSHIFT(1, RTW8180_SCR_KM_MASK)
627 #define RTW8180_SCR_KM_WEP40	LSHIFT(0, RTW8180_SCR_KM_MASK)
628 #define RTW8180_SCR_TXSECON		(1<<1)	/* Enable Tx WEP. Invalid if
629 					 * neither RTW_CONFIG0_WEP40 nor
630 					 * RTW_CONFIG0_WEP104 is set.
631 					 */
632 #define RTW8180_SCR_RXSECON		(1<<0)	/* Enable Rx WEP. Invalid if
633 					 * neither RTW_CONFIG0_WEP40 nor
634 					 * RTW_CONFIG0_WEP104 is set.
635 					 */
636 
637 #define RTW8185_RFPARM	0x60	/* RF Parameter Register, 32b */
638 
639 #define	RTW_BCNITV	0x70	/* Beacon Interval Register, 16b */
640 #define	RTW_BCNITV_BCNITV_MASK	0x3ff	/* TU between TBTT, written
641 						 * by host.
642 						 */
643 #define	RTW_ATIMWND	0x72	/* ATIM Window Register, 16b */
644 #define	RTW_ATIMWND_ATIMWND	0x3ff	/* ATIM Window length in TU,
645 						 * written by host.
646 						 */
647 
648 #define RTW_BINTRITV	0x74	/* Beacon Interrupt Interval Register, 16b */
649 #define	RTW_BINTRITV_BINTRITV	0x3ff	/* RTL8180 wakes host with
650 						 * RTW_INTR_BCNINT at BINTRITV
651 						 * microseconds before TBTT
652 						 */
653 #define RTW_ATIMTRITV	0x76	/* ATIM Interrupt Interval Register, 16b */
654 #define	RTW_ATIMTRITV_ATIMTRITV	0x3ff	/* RTL8180 wakes host with
655 						 * RTW_INTR_ATIMINT at ATIMTRITV
656 						 * microseconds before end of
657 						 * ATIM Window
658 						 */
659 
660 #define RTW_PHYDELAY	0x78	/* PHY Delay Register, 8b */
661 #define RTW_PHYDELAY_REVC_MAGIC	(1<<3)		/* Rev. C magic from reference
662 						 * driver
663 						 */
664 #define RTW_PHYDELAY_PHYDELAY	0x7	/* microsecond Tx delay between
665 						 * MAC and RF front-end
666 						 */
667 #define RTW_CRCOUNT	0x79	/* Carrier Sense Counter, 8b */
668 #define	RTW_CRCOUNT_MAGIC	0x4c
669 
670 #define RTW_CRC16ERR	0x7a	/* CRC16 error count, 16b, XXX RTL8181 only? */
671 
672 #define RTW_BB	0x7c		/* Baseband interface, 32b */
673 /* used for writing RTL8180's integrated baseband processor */
674 #define RTW_BB_RD_MASK		0xff0000	/* data to read */
675 #define RTW_BB_WR_MASK		0xff00	/* data to write */
676 #define RTW_BB_WREN		(1<<7)		/* write enable */
677 #define RTW_BB_ADDR_MASK	0x7f	/* address */
678 
679 #define RTW_PHYADDR	0x7c	/* Address register for PHY interface, 8b */
680 #define RTW_PHYDATAW	0x7d	/* Write data to PHY, 8b, write-only */
681 #define RTW_PHYDATAR	0x7e	/* Read data from PHY, 8b (?), read-only */
682 
683 #define RTW8180_PHYCFG	0x80	/* PHY Configuration Register, 32b */
684 #define RTW8180_PHYCFG_MAC_POLL	(1<<31)		/* if !RTW8180_PHYCFG_HST,
685 						 * host sets. MAC clears
686 						 * after banging bits.
687 						 */
688 #define	RTW8180_PHYCFG_HST		(1<<30)		/* 1: host bangs bits
689 						 * 0: MAC bangs bits
690 						 */
691 #define RTW8180_PHYCFG_MAC_RFTYPE_MASK	0x30000000
692 #define RTW8180_PHYCFG_MAC_RFTYPE_INTERSIL				\
693 	LSHIFT(0, RTW8180_PHYCFG_MAC_RFTYPE_MASK)
694 #define RTW8180_PHYCFG_MAC_RFTYPE_RFMD					\
695 	LSHIFT(1, RTW8180_PHYCFG_MAC_RFTYPE_MASK)
696 #define RTW8180_PHYCFG_MAC_RFTYPE_GCT					\
697 	RTW8180_PHYCFG_MAC_RFTYPE_RFMD
698 #define RTW8180_PHYCFG_MAC_RFTYPE_PHILIPS				\
699 	LSHIFT(3, RTW8180_PHYCFG_MAC_RFTYPE_MASK)
700 #define RTW8180_PHYCFG_MAC_PHILIPS_ADDR_MASK	0xf000000
701 #define RTW8180_PHYCFG_MAC_PHILIPS_DATA_MASK	0xffffff
702 #define RTW8180_PHYCFG_MAC_MAXIM_LODATA_MASK	0xf000000
703 #define RTW8180_PHYCFG_MAC_MAXIM_ADDR_MASK	0xf00
704 #define RTW8180_PHYCFG_MAC_MAXIM_HIDATA_MASK	0xff
705 #define	RTW8180_PHYCFG_HST_EN		(1<<2)
706 #define	RTW8180_PHYCFG_HST_CLK		(1<<1)
707 #define	RTW8180_PHYCFG_HST_DATA		(1<<0)
708 
709 #define RTW8185_RFPINSOUTPUT		0x80
710 #define RTW8185_RFPINSOUTPUT_MASK	0xfff3
711 
712 #define RTW8185_RFPINSENABLE		0x82
713 #define RTW8185_RFPINSENABLE_ENABLE	0x0007
714 
715 #define RTW8185_INSSELECT		0x84
716 #define RTW8185_SW_GPIO			0x400
717 
718 #define	RTW_MAXIM_HIDATA_MASK			0xff0
719 #define	RTW_MAXIM_LODATA_MASK			0xf
720 
721 /**
722  ** 0x84 - 0xD3, page 1, selected when RTW_PSR[PSEN] == 1.
723  **/
724 
725 #define	RTW_WAKEUP0L	0x84	/* Power Management Wakeup Frame */
726 #define	RTW_WAKEUP0H	0x88	/* 32b */
727 
728 #define	RTW_WAKEUP1L	0x8c
729 #define	RTW_WAKEUP1H	0x90
730 
731 #define	RTW_WAKEUP2LL	0x94
732 #define	RTW_WAKEUP2LH	0x98
733 
734 #define	RTW_WAKEUP2HL	0x9c
735 #define	RTW_WAKEUP2HH	0xa0
736 
737 #define	RTW_WAKEUP3LL	0xa4
738 #define	RTW_WAKEUP3LH	0xa8
739 
740 #define	RTW_WAKEUP3HL	0xac
741 #define	RTW_WAKEUP3HH	0xb0
742 
743 #define	RTW_WAKEUP4LL	0xb4
744 #define	RTW_WAKEUP4LH	0xb8
745 
746 #define	RTW_WAKEUP4HL	0xbc
747 #define	RTW_WAKEUP4HH	0xc0
748 
749 #define RTW_CRC0	0xc4	/* CRC of wakeup frame 0, 16b */
750 #define RTW_CRC1	0xc6	/* CRC of wakeup frame 1, 16b */
751 #define RTW_CRC2	0xc8	/* CRC of wakeup frame 2, 16b */
752 #define RTW_CRC3	0xca	/* CRC of wakeup frame 3, 16b */
753 #define RTW_CRC4	0xcc	/* CRC of wakeup frame 4, 16b */
754 
755 /**
756  ** 0x84 - 0xD3, page 0, selected when RTW_PSR[PSEN] == 0.
757  **/
758 
759 /* Default Key Registers, each 128b
760  *
761  * If RTW8180_SCR_KM_WEP104, 104 lsb are the key.
762  * If RTW8180_SCR_KM_WEP40, 40 lsb are the key.
763  */
764 #define RTW8180_DK0		0x90	/* Default Key 0 Register, 128b */
765 #define RTW8180_DK1		0xa0	/* Default Key 1 Register, 128b */
766 #define RTW8180_DK2		0xb0	/* Default Key 2 Register, 128b */
767 #define RTW8180_DK3		0xc0	/* Default Key 3 Register, 128b */
768 
769 #define RTW8185_RFPINSSELECT		0x84
770 #define RTW8185_RFPINSSELECT_ENABLE	0x0007
771 
772 #define RTW8185_RFPINSINPUT	0x86
773 #define RTW8185_RFPARA		0x88
774 #define RTW8185_RFTIMING	0x8c
775 #define RTW8185_GPO		0x90
776 #define RTW8185_GPE		0x91
777 #define RTW8185_GPI		0x92
778 #define RTW8185_TXAGCCTL	0x9c
779 #define RTW8185_CCKTXAGC	0x9d
780 #define RTW8185_OFDMTXAGC	0x9e
781 #define RTW8185_ANTSEL		0x9f
782 
783 #define RTW8185_CAMRW		0xa0		/* CAM R/W Register, 32b */
784 #define RTW8185_CAMRW_POOLING	(1<<31)		/* Pooling bit */
785 #define RTW8185_CAMRW_WRITE	(1<<16)		/* Write enable */
786 #define RTW8185_CAMRW_ADDRESS	0x7f	/* CAM address */
787 
788 #define RTW8185_CAMOUTPUT	0xa4
789 #define RTW8185_CAMINPUT	0xa8
790 
791 #define RTW8185_CAMDEBUG		0xac	/* CAM Debug Interface, 32b */
792 #define RTW8185_CAMDEBUG_SELTXRXINFO	(1<<31)
793 #define RTW8185_CAMDEBUG_KEYFOUND	(1<<30)
794 #define RTW8185_CAMDEBUG_WPACONFIG	0x3f000000
795 #define RTW8185_CAMDEBUG_CAMKEY		0xffffff
796 
797 #define RTW8185_WPACONFIG		0xb0	/* WPA Config Register, 16b */
798 #define RTW8185_WPACONFIG_RXWPADUMMY	(1<<8)
799 #define RTW8185_WPACONFIG_DISRX_AESMIC	(1<<3)
800 #define RTW8185_WPACONFIG_RXDECRYPT	(1<<2)
801 #define RTW8185_WPACONFIG_TXENCRYPT	(1<<1)
802 #define RTW8185_WPACONFIG_USEDEFAULTKEY	(1<<0)
803 
804 #define RTW8185_AESMASK		0xb2
805 #define RTW8185_SIFS		0xb4
806 #define RTW8185_DIFS		0xb5
807 #define RTW8185_SLOTTIME	0xb6
808 #define RTW8185_UTUNE		0xb7
809 
810 #define RTW8185_CWCONFIG		0xbc	/* CW Config Register, 8b */
811 #define RTW8185_CWCONFIG_PPRETRYLIMIT	(1<<1)	/* Per-Packet Retry Limit */
812 #define RTW8185_CWCONFIG_PPCW		(1<<1)	/* Per-Packet Cont. Window */
813 
814 #define RTW8185_CWVALUES	0xbd		/* CW Values, 8b */
815 #define RTW8185_CWVALUES_CWMAX	0xf0	/* Max Contention Window */
816 #define RTW8185_CWVALUES_CWMIN	0xf	/* Min Contention Window */
817 
818 #define RTW8185_RATEFALLBACKCTL		0xbe	/* Auto Rate Fallback, 8b */
819 #define RTW8185_RATEFALLBACKCTL_ENABLE	(1<<7)
820 #define RTW8185_RATEFALLBACKCTL_STEP	0x3
821 
822 #define	RTW_CONFIG5	0xd8	/* Configuration Register 5, 8b */
823 #define RTW_CONFIG5_TXFIFOOK	(1<<7)	/* Tx FIFO self-test pass, read-only */
824 #define RTW_CONFIG5_RXFIFOOK	(1<<6)	/* Rx FIFO self-test pass, read-only */
825 #define RTW_CONFIG5_CALON	(1<<5)	/* 1: start calibration cycle
826 					 *    and raise AGCRESET pin.
827 					 * 0: lower AGCRESET pin
828 					 */
829 #define RTW_CONFIG5_EACPI	(1<<2)	/* Enable ACPI Wake up, default 0 */
830 #define RTW_CONFIG5_LANWAKE	(1<<1)	/* Enable LAN Wake signal,
831 					 * from EEPROM
832 					 */
833 #define RTW_CONFIG5_PMESTS	(1<<0)	/* 1: both software & PCI Reset
834 					 *    reset PME_Status
835 					 * 0: only software resets PME_Status
836 					 *
837 					 * From EEPROM.
838 					 */
839 
840 #define	RTW_TPPOLL	0xd9	/* Transmit Priority Polling Register, 8b,
841 				 * write-only.
842 				 */
843 #define RTW_TPPOLL_BQ	(1<<7)	/* RTL8180 clears to notify host of a beacon
844 				 * Tx. Host writes have no effect.
845 				 */
846 #define RTW_TPPOLL_HPQ	(1<<6)	/* Host writes 1 to notify RTL8180 of
847 				 * high-priority Tx packets, RTL8180 clears
848 				 * to after high-priority Tx is complete.
849 				 */
850 #define RTW_TPPOLL_NPQ	(1<<5)	/* If RTW_CONFIG2_DPS is set,
851 				 * host writes 1 to notify RTL8180 of
852 				 * normal-priority Tx packets, RTL8180 clears
853 				 * after normal-priority Tx is complete.
854 				 *
855 				 * If RTW_CONFIG2_DPS is clear, host writes
856 				 * have no effect. RTL8180 clears after
857 				 * normal-priority Tx is complete.
858 				 */
859 #define RTW_TPPOLL_LPQ	(1<<4)	/* Host writes 1 to notify RTL8180 of
860 				 * low-priority Tx packets, RTL8180 clears
861 				 * after low-priority Tx is complete.
862 				 */
863 #define RTW_TPPOLL_SBQ	(1<<3)	/* Host writes 1 to tell RTL8180 to
864 				 * stop beacon DMA. This bit is invalid
865 				 * when RTW_CONFIG2_DPS is set.
866 				 */
867 #define RTW_TPPOLL_SHPQ	(1<<2)	/* Host writes 1 to tell RTL8180 to
868 				 * stop high-priority DMA.
869 				 */
870 #define RTW_TPPOLL_SNPQ	(1<<1)	/* Host writes 1 to tell RTL8180 to
871 				 * stop normal-priority DMA. This bit is invalid
872 				 * when RTW_CONFIG2_DPS is set.
873 				 */
874 #define RTW_TPPOLL_SLPQ	(1<<0)	/* Host writes 1 to tell RTL8180 to
875 				 * stop low-priority DMA.
876 				 */
877 
878 /* Start all queues. */
879 #define	RTW_TPPOLL_ALL	(RTW_TPPOLL_BQ | RTW_TPPOLL_HPQ | \
880 			 RTW_TPPOLL_NPQ | RTW_TPPOLL_LPQ)
881 /* Check all queues' activity. */
882 #define RTW_TPPOLL_ACTIVE	 RTW_TPPOLL_ALL
883 /* Stop all queues. */
884 #define	RTW_TPPOLL_SALL	(RTW_TPPOLL_SBQ | RTW_TPPOLL_SHPQ | \
885 			 RTW_TPPOLL_SNPQ | RTW_TPPOLL_SLPQ)
886 
887 #define	RTW_CWR		0xdc	/* Contention Window Register, 16b, read-only */
888 /* Contention Window: indicates number of contention windows before Tx
889  */
890 #define	RTW_CWR_CW	0x3ff
891 
892 /* Retry Count Register, 16b, read-only */
893 #define	RTW_RETRYCTR	0xde
894 /* Retry Count: indicates number of retries after Tx */
895 #define	RTW_RETRYCTR_RETRYCT	0xff
896 
897 #define RTW_RDSAR	0xe4	/* Receive descriptor Start Address Register,
898 				 * 32b, 256-byte alignment.
899 				 */
900 /* Function Event Register, 32b, Cardbus only. Only valid when
901  * both RTW_CONFIG3_CARDBEN and RTW_CONFIG3_FUNCREGEN are set.
902  */
903 #define RTW_FER		0xf0
904 #define RTW_FER_INTR	(1<<15)	/* set when RTW_FFER_INTR is set */
905 #define RTW_FER_GWAKE	(1<<4)	/* General Wakeup */
906 /* Function Event Mask Register, 32b, Cardbus only. Only valid when
907  * both RTW_CONFIG3_CARDBEN and RTW_CONFIG3_FUNCREGEN are set.
908  */
909 #define RTW_FEMR	0xf4
910 #define RTW_FEMR_INTR	(1<<15)	/* set when RTW_FFER_INTR is set */
911 #define RTW_FEMR_WKUP	(1<<14)	/* Wakeup Mask */
912 #define RTW_FEMR_GWAKE	(1<<4)	/* General Wakeup */
913 /* Function Present State Register, 32b, read-only, Cardbus only.
914  * Only valid when both RTW_CONFIG3_CARDBEN and RTW_CONFIG3_FUNCREGEN
915  * are set.
916  */
917 #define RTW_FPSR	0xf8
918 #define RTW_FPSR_INTR	(1<<15)	/* TBD */
919 #define RTW_FPSR_GWAKE	(1<<4)	/* General Wakeup: TBD */
920 /* Function Force Event Register, 32b, write-only, Cardbus only.
921  * Only valid when both RTW_CONFIG3_CARDBEN and RTW_CONFIG3_FUNCREGEN
922  * are set.
923  */
924 #define RTW_FFER	0xfc
925 #define RTW_FFER_INTR	(1<<15)	/* TBD */
926 #define RTW_FFER_GWAKE	(1<<4)	/* General Wakeup: TBD */
927 
928 /* Serial EEPROM offsets */
929 #define RTW_SR_ID	0x00	/* 16b */
930 #define RTW_SR_VID	0x02	/* 16b */
931 #define RTW_SR_DID	0x04	/* 16b */
932 #define RTW_SR_SVID	0x06	/* 16b */
933 #define RTW_SR_SMID	0x08	/* 16b */
934 #define RTW_SR_MNGNT	0x0a
935 #define RTW_SR_MXLAT	0x0b
936 #define RTW_SR_RFCHIPID	0x0c
937 #define RTW_SR_CONFIG3	0x0d
938 #define RTW_SR_MAC	0x0e	/* 6 bytes */
939 #define RTW_SR_CONFIG0	0x14
940 #define RTW_SR_CONFIG1	0x15
941 #define RTW_SR_PMC	0x16	/* Power Management Capabilities, 16b */
942 #define RTW_SR_CONFIG2	0x18
943 #define RTW_SR_CONFIG4	0x19
944 #define RTW_SR_ANAPARM	0x1a	/* Analog Parameters, 32b */
945 #define RTW_SR_TESTR	0x1e
946 #define RTW_SR_CONFIG5	0x1f
947 #define RTW_SR_TXPOWER1		0x20
948 #define RTW_SR_TXPOWER2		0x21
949 #define RTW_SR_TXPOWER3		0x22
950 #define RTW_SR_TXPOWER4		0x23
951 #define RTW_SR_TXPOWER5		0x24
952 #define RTW_SR_TXPOWER6		0x25
953 #define RTW_SR_TXPOWER7		0x26
954 #define RTW_SR_TXPOWER8		0x27
955 #define RTW_SR_TXPOWER9		0x28
956 #define RTW_SR_TXPOWER10	0x29
957 #define RTW_SR_TXPOWER11	0x2a
958 #define RTW_SR_TXPOWER12	0x2b
959 #define RTW_SR_TXPOWER13	0x2c
960 #define RTW_SR_TXPOWER14	0x2d
961 #define RTW_SR_CHANNELPLAN	0x2e	/* bitmap of channels to scan */
962 #define RTW_SR_ENERGYDETTHR	0x2f	/* energy-detect threshold */
963 #define RTW_SR_ENERGYDETTHR_DEFAULT	0x0c	/* use this if old SROM */
964 #define RTW_SR_CISPOINTER	0x30	/* 16b */
965 #define RTW_SR_RFPARM		0x32	/* RF-specific parameter */
966 #define RTW_SR_RFPARM_DIGPHY	(1<<0)		/* 1: digital PHY */
967 #define RTW_SR_RFPARM_DFLANTB	(1<<1)		/* 1: antenna B is default */
968 #define RTW_SR_RFPARM_CS_MASK	0xc	/* carrier-sense type */
969 #define RTW_SR_VERSION		0x3c	/* EEPROM content version, 16b */
970 #define RTW_SR_CRC		0x3e	/* EEPROM content CRC, 16b */
971 #define RTW_SR_VPD		0x40	/* Vital Product Data, 64 bytes */
972 #define RTW_SR_CIS		0x80	/* CIS Data, 93c56 only, 128 bytes*/
973 
974 /*
975  * RTL8180 Transmit/Receive Descriptors
976  */
977 
978 /* the first descriptor in each ring must be on a 256-byte boundary */
979 #define RTW_DESC_ALIGNMENT 256
980 
981 /* Tx descriptor */
982 struct rtw_txdesc {
983 	u_int32_t	td_ctl0;
984 	u_int32_t	td_ctl1;
985 	u_int32_t	td_buf;
986 	u_int32_t	td_len;
987 	u_int32_t	td_next;
988 	u_int32_t	td_rsvd[3];
989 };
990 
991 #define td_stat td_ctl0
992 
993 #define RTW_TXCTL0_OWN			(1<<31)		/* 1: ready to Tx */
994 #define RTW_TXCTL0_RSVD0		(1<<30)		/* reserved */
995 #define RTW_TXCTL0_FS			(1<<29)		/* first segment */
996 #define RTW_TXCTL0_LS			(1<<28)		/* last segment */
997 
998 #define RTW_TXCTL0_RATE_MASK		0xf000000	/* Tx rate */
999 #define RTW_TXCTL0_RATE_1MBPS		LSHIFT(0, RTW_TXCTL0_RATE_MASK)
1000 #define RTW_TXCTL0_RATE_2MBPS		LSHIFT(1, RTW_TXCTL0_RATE_MASK)
1001 #define RTW_TXCTL0_RATE_5MBPS		LSHIFT(2, RTW_TXCTL0_RATE_MASK)
1002 #define RTW_TXCTL0_RATE_11MBPS		LSHIFT(3, RTW_TXCTL0_RATE_MASK)
1003 
1004 #define RTW_TXCTL0_RTSEN		(1<<23)		/* RTS Enable */
1005 
1006 #define RTW_TXCTL0_RTSRATE_MASK		0x780000	/* Tx rate */
1007 #define RTW_TXCTL0_RTSRATE_1MBPS	LSHIFT(0, RTW_TXCTL0_RTSRATE_MASK)
1008 #define RTW_TXCTL0_RTSRATE_2MBPS	LSHIFT(1, RTW_TXCTL0_RTSRATE_MASK)
1009 #define RTW_TXCTL0_RTSRATE_5MBPS	LSHIFT(2, RTW_TXCTL0_RTSRATE_MASK)
1010 #define RTW_TXCTL0_RTSRATE_11MBPS	LSHIFT(3, RTW_TXCTL0_RTSRATE_MASK)
1011 
1012 #define RTW_TXCTL0_BEACON		(1<<18)	/* packet is a beacon */
1013 #define RTW_TXCTL0_MOREFRAG		(1<<17)	/* another fragment follows */
1014 #define RTW_TXCTL0_SPLCP		(1<<16)	/* add short PLCP preamble
1015 						 * and header
1016 						 */
1017 #define RTW_TXCTL0_KEYID_MASK		0xc000	/* default key id */
1018 #define RTW_TXCTL0_RSVD1_MASK		0x3000	/* reserved */
1019 #define RTW_TXCTL0_TPKTSIZE_MASK	0xfff	/* Tx packet size
1020 							 * in bytes
1021 							 */
1022 
1023 #define RTW_TXSTAT_OWN		RTW_TXCTL0_OWN
1024 #define RTW_TXSTAT_RSVD0	RTW_TXCTL0_RSVD0
1025 #define RTW_TXSTAT_FS		RTW_TXCTL0_FS
1026 #define RTW_TXSTAT_LS		RTW_TXCTL0_LS
1027 #define RTW_TXSTAT_RSVD1_MASK	0xfff0000
1028 #define RTW_TXSTAT_TOK		(1<<15)
1029 #define RTW_TXSTAT_RTSRETRY_MASK	0x7f00	/* RTS retry count */
1030 #define RTW_TXSTAT_DRC_MASK		0xff	/* Data retry count */
1031 
1032 #define RTW_TXCTL1_LENGEXT	(1<<31)		/* supplements _LENGTH
1033 						 * in packets sent 5.5Mb/s or
1034 						 * faster
1035 						 */
1036 #define RTW_TXCTL1_LENGTH_MASK	0x7fff0000	/* PLCP length (microseconds) */
1037 #define RTW_TXCTL1_RTSDUR_MASK	0xffff	/* RTS Duration
1038 						 * (microseconds)
1039 						 */
1040 
1041 #define RTW_TXLEN_LENGTH_MASK	0xfff	/* Tx buffer length in bytes */
1042 
1043 /* Rx descriptor */
1044 struct rtw_rxdesc {
1045     u_int32_t	rd_ctl;
1046     u_int32_t	rd_rsvd0;
1047     u_int32_t	rd_buf;
1048     u_int32_t	rd_rsvd1;
1049 };
1050 
1051 #define rd_stat rd_ctl
1052 #define rd_rssi rd_rsvd0
1053 #define rd_tsftl rd_buf	/* valid only when RTW_RXSTAT_LS is set */
1054 #define rd_tsfth rd_rsvd1	/* valid only when RTW_RXSTAT_LS is set */
1055 
1056 #define RTW_RXCTL_OWN		(1<<31)		/* 1: owned by NIC */
1057 #define RTW_RXCTL_EOR		(1<<30)		/* end of ring */
1058 #define RTW_RXCTL_FS		(1<<29)		/* first segment */
1059 #define RTW_RXCTL_LS		(1<<28)		/* last segment */
1060 #define RTW_RXCTL_RSVD0_MASK	0x3ffff000	/* reserved */
1061 #define RTW_RXCTL_LENGTH_MASK	0xfff	/* Rx buffer length */
1062 
1063 #define RTW_RXSTAT_OWN		RTW_RXCTL_OWN
1064 #define RTW_RXSTAT_EOR		RTW_RXCTL_EOR
1065 #define RTW_RXSTAT_FS		RTW_RXCTL_FS	/* first segment */
1066 #define RTW_RXSTAT_LS		RTW_RXCTL_LS	/* last segment */
1067 #define RTW_RXSTAT_DMAFAIL	(1<<27)		/* DMA failure on this pkt */
1068 #define RTW_RXSTAT_BOVF		(1<<26)		/* buffer overflow XXX means
1069 						 * FIFO exhausted?
1070 						 */
1071 #define RTW_RXSTAT_SPLCP	(1<<25)		/* Rx'd with short preamble
1072 						 * and PLCP header
1073 						 */
1074 #define RTW_RXSTAT_RSVD1	(1<<24)		/* reserved */
1075 #define RTW_RXSTAT_RATE_MASK	0xf00000	/* Rx rate */
1076 #define RTW_RXSTAT_RATE_1MBPS	LSHIFT(0, RTW_RXSTAT_RATE_MASK)
1077 #define RTW_RXSTAT_RATE_2MBPS	LSHIFT(1, RTW_RXSTAT_RATE_MASK)
1078 #define RTW_RXSTAT_RATE_5MBPS	LSHIFT(2, RTW_RXSTAT_RATE_MASK)
1079 #define RTW_RXSTAT_RATE_11MBPS	LSHIFT(3, RTW_RXSTAT_RATE_MASK)
1080 #define RTW_RXSTAT_MIC		(1<<19)		/* XXX from reference driver */
1081 #define RTW_RXSTAT_MAR		(1<<18)		/* is multicast */
1082 #define RTW_RXSTAT_PAR		(1<<17)		/* matches RTL8180's MAC */
1083 #define RTW_RXSTAT_BAR		(1<<16)		/* is broadcast */
1084 #define RTW_RXSTAT_RES		(1<<15)		/* error summary. valid when
1085 						 * RTW_RXSTAT_LS set. indicates
1086 						 * that either RTW_RXSTAT_CRC32
1087 						 * or RTW_RXSTAT_ICV is set.
1088 						 */
1089 #define RTW_RXSTAT_PWRMGT	(1<<14)		/* 802.11 PWRMGMT bit is set */
1090 #define RTW_RXSTAT_CRC16	(1<<14)		/* XXX CRC16 error, from
1091 						 * reference driver
1092 						 */
1093 #define RTW_RXSTAT_CRC32	(1<<13)		/* CRC32 error */
1094 #define RTW_RXSTAT_ICV		(1<<12)		/* ICV error */
1095 #define RTW_RXSTAT_LENGTH_MASK	0xfff	/* frame length, including
1096 						 * CRC32
1097 						 */
1098 
1099 /* Convenient status conjunction. */
1100 #define RTW_RXSTAT_ONESEG	(RTW_RXSTAT_FS|RTW_RXSTAT_LS)
1101 /* Convenient status disjunctions. */
1102 #define RTW_RXSTAT_IOERROR	(RTW_RXSTAT_DMAFAIL|RTW_RXSTAT_BOVF)
1103 #define RTW_RXSTAT_DEBUG	(RTW_RXSTAT_SPLCP|RTW_RXSTAT_MAR|\
1104 				 RTW_RXSTAT_PAR|RTW_RXSTAT_BAR|\
1105 				 RTW_RXSTAT_PWRMGT|RTW_RXSTAT_CRC32|\
1106 				 RTW_RXSTAT_ICV)
1107 
1108 
1109 #define RTW_RXRSSI_VLAN		0xfffe	/* XXX from reference driver */
1110 /* for Philips RF front-ends */
1111 #define RTW_RXRSSI_RSSI		0xff00	/* RF energy at the PHY */
1112 /* for RF front-ends by Intersil, Maxim, RFMD */
1113 #define RTW_RXRSSI_IMR_RSSI	0xfe00	/* RF energy at the PHY */
1114 #define RTW_RXRSSI_IMR_LNA	(1<<8)		/* 1: LNA activated */
1115 #define RTW_RXRSSI_SQ		0xff	/* Barker code-lock quality */
1116 
1117 #define RTW_READ8(regs, ofs)						\
1118 	((*(regs)->r_read8)(regs, ofs))
1119 
1120 #define RTW_READ16(regs, ofs)						\
1121 	((*(regs)->r_read16)(regs, ofs))
1122 
1123 #define RTW_READ(regs, ofs)						\
1124 	((*(regs)->r_read32)(regs, ofs))
1125 
1126 #define RTW_WRITE8(regs, ofs, val)					\
1127 	((*(regs)->r_write8)(regs, ofs, val))
1128 
1129 #define RTW_WRITE16(regs, ofs, val)					\
1130 	((*(regs)->r_write16)(regs, ofs, val))
1131 
1132 #define RTW_WRITE(regs, ofs, val)					\
1133 	((*(regs)->r_write32)(regs, ofs, val))
1134 
1135 #define	RTW_ISSET(regs, reg, mask)					\
1136 	(RTW_READ((regs), (reg)) & (mask))
1137 
1138 #define	RTW_CLR(regs, reg, mask)					\
1139 	RTW_WRITE((regs), (reg), RTW_READ((regs), (reg)) & ~(mask))
1140 
1141 /* bus_space(9) lied? */
1142 #ifndef BUS_SPACE_BARRIER_SYNC
1143 #define BUS_SPACE_BARRIER_SYNC (BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE)
1144 #endif
1145 
1146 #ifndef BUS_SPACE_BARRIER_READ_BEFORE_READ
1147 #define BUS_SPACE_BARRIER_READ_BEFORE_READ BUS_SPACE_BARRIER_READ
1148 #endif
1149 
1150 #ifndef BUS_SPACE_BARRIER_READ_BEFORE_WRITE
1151 #define BUS_SPACE_BARRIER_READ_BEFORE_WRITE BUS_SPACE_BARRIER_READ
1152 #endif
1153 
1154 #ifndef BUS_SPACE_BARRIER_WRITE_BEFORE_READ
1155 #define BUS_SPACE_BARRIER_WRITE_BEFORE_READ BUS_SPACE_BARRIER_WRITE
1156 #endif
1157 
1158 #ifndef BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE
1159 #define BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE BUS_SPACE_BARRIER_WRITE
1160 #endif
1161 
1162 /*
1163  * Bus barrier
1164  *
1165  * Complete outstanding read and/or write ops on [reg0, reg1]
1166  * ([reg1, reg0]) before starting new ops on the same region. See
1167  * acceptable bus_space_barrier(9) for the flag definitions.
1168  */
1169 #define RTW_BARRIER(regs, reg0, reg1, flags)			\
1170 	((*(regs)->r_barrier)(regs, reg0, reg1, flags))
1171 
1172 /*
1173  * Barrier convenience macros.
1174  */
1175 /* sync */
1176 #define RTW_SYNC(regs, reg0, reg1)				\
1177 	RTW_BARRIER(regs, reg0, reg1, BUS_SPACE_BARRIER_SYNC)
1178 
1179 /* write-before-write */
1180 #define RTW_WBW(regs, reg0, reg1)				\
1181 	RTW_BARRIER(regs, reg0, reg1, BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE)
1182 
1183 /* write-before-read */
1184 #define RTW_WBR(regs, reg0, reg1)				\
1185 	RTW_BARRIER(regs, reg0, reg1, BUS_SPACE_BARRIER_WRITE_BEFORE_READ)
1186 
1187 /* read-before-read */
1188 #define RTW_RBR(regs, reg0, reg1)				\
1189 	RTW_BARRIER(regs, reg0, reg1, BUS_SPACE_BARRIER_READ_BEFORE_READ)
1190 
1191 /* read-before-read */
1192 #define RTW_RBW(regs, reg0, reg1)				\
1193 	RTW_BARRIER(regs, reg0, reg1, BUS_SPACE_BARRIER_READ_BEFORE_WRITE)
1194 
1195 #define RTW_WBRW(regs, reg0, reg1)				\
1196 		RTW_BARRIER(regs, reg0, reg1,			\
1197 		    BUS_SPACE_BARRIER_WRITE_BEFORE_READ |	\
1198 		    BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE)
1199 
1200 /*
1201  * Registers for RTL8180L's built-in baseband modem.
1202  */
1203 #define RTW_BBP_SYS1		0x00
1204 #define RTW_BBP_TXAGC		0x03	/* guess: transmit auto gain control */
1205 #define RTW_BBP_LNADET		0x04	/* guess: low-noise amplifier activation
1206 					 * threshold
1207 					 */
1208 #define RTW_BBP_IFAGCINI	0x05	/* guess: intermediate frequency (IF)
1209 					 * auto-gain control (AGC) initial value
1210 					 */
1211 #define RTW_BBP_IFAGCLIMIT	0x06	/* guess: IF AGC maximum value */
1212 #define RTW_BBP_IFAGCDET	0x07	/* guess: activation threshold for
1213 					 * IF AGC loop
1214 					 */
1215 
1216 #define RTW_BBP_ANTATTEN	0x10	/* guess: antenna & attenuation */
1217 #define RTW_BBP_ANTATTEN_PHILIPS_MAGIC		0x91
1218 #define RTW_BBP_ANTATTEN_INTERSIL_MAGIC		0x92
1219 #define RTW_BBP_ANTATTEN_RFMD_MAGIC		0x93
1220 #define RTW_BBP_ANTATTEN_GCT_MAGIC		0xa3
1221 #define RTW_BBP_ANTATTEN_MAXIM_MAGIC		0xb3
1222 #define	RTW_BBP_ANTATTEN_DFLANTB		0x40
1223 #define	RTW_BBP_ANTATTEN_CHAN14			0x0c
1224 
1225 #define RTW_BBP_TRL			0x11	/* guess: transmit/receive
1226 						 * switch latency
1227 						 */
1228 #define RTW_BBP_SYS2			0x12
1229 #define RTW_BBP_SYS2_ANTDIV		0x80	/* enable antenna diversity */
1230 #define RTW_BBP_SYS2_RATE_MASK		0x30	/* loopback rate?
1231 							 * 0: 1Mbps
1232 							 * 1: 2Mbps
1233 							 * 2: 5.5Mbps
1234 							 * 3: 11Mbps
1235 							 */
1236 #define RTW_BBP_SYS3			0x13
1237 /* carrier-sense threshold */
1238 #define RTW_BBP_SYS3_CSTHRESH_MASK	0xf
1239 #define RTW_BBP_CHESTLIM	0x19	/* guess: channel energy-detect
1240 					 * threshold
1241 					 */
1242 #define RTW_BBP_CHSQLIM		0x1a	/* guess: channel signal-quality
1243 					 * threshold
1244 					 */
1245