rtwreg.h revision 1.11
1/*	$NetBSD: rtwreg.h,v 1.11 2005/01/14 10:13:55 dyoung Exp $	*/
2/*-
3 * Copyright (c) 2004, 2005 David Young.  All rights reserved.
4 *
5 * Programmed for NetBSD by David Young.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of David Young may not be used to endorse or promote
16 *    products derived from this software without specific prior
17 *    written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY David Young ``AS IS'' AND ANY
20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
22 * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL David
23 * Young BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
25 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
27 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
30 * OF SUCH DAMAGE.
31 */
32/* Macros for bit twiddling. */
33/* TBD factor w/ dev/ic/atwreg.h. */
34
35#ifndef _BIT_TWIDDLE
36#define _BIT_TWIDDLE
37/* nth bit, BIT(0) == 0x1. */
38#define BIT(n) (((n) == 32) ? 0 : ((uint32_t)1 << (n)))
39
40/* bits m through n, m < n. */
41#define BITS(m, n) ((BIT(MAX((m), (n)) + 1) - 1) ^ (BIT(MIN((m), (n))) - 1))
42
43/* find least significant bit that is set */
44#define LOWEST_SET_BIT(x) ((((x) - 1) & (x)) ^ (x))
45
46/* for x a power of two and p a non-negative integer, is x a greater
47 * power than 2**p?
48 */
49#define GTEQ_POWER(x, p) (((u_long)(x) >> (p)) != 0)
50
51#define MASK_TO_SHIFT2(m) (GTEQ_POWER(LOWEST_SET_BIT((m)), 1) ? 1 : 0)
52
53#define MASK_TO_SHIFT4(m) \
54	(GTEQ_POWER(LOWEST_SET_BIT((m)), 2) \
55	    ? 2 + MASK_TO_SHIFT2((m) >> 2) \
56	    : MASK_TO_SHIFT2((m)))
57
58#define MASK_TO_SHIFT8(m) \
59	(GTEQ_POWER(LOWEST_SET_BIT((m)), 4) \
60	    ? 4 + MASK_TO_SHIFT4((m) >> 4) \
61	    : MASK_TO_SHIFT4((m)))
62
63#define MASK_TO_SHIFT16(m) \
64	(GTEQ_POWER(LOWEST_SET_BIT((m)), 8) \
65	    ? 8 + MASK_TO_SHIFT8((m) >> 8) \
66	    : MASK_TO_SHIFT8((m)))
67
68#define MASK_TO_SHIFT(m) \
69	(GTEQ_POWER(LOWEST_SET_BIT((m)), 16) \
70	    ? 16 + MASK_TO_SHIFT16((m) >> 16) \
71	    : MASK_TO_SHIFT16((m)))
72
73#define MASK_AND_RSHIFT(x, mask) (((x) & (mask)) >> MASK_TO_SHIFT(mask))
74#define LSHIFT(x, mask) ((x) << MASK_TO_SHIFT(mask))
75#define MASK_AND_REPLACE(reg, val, mask) ((reg & ~mask) | LSHIFT(val, mask))
76#define PRESHIFT(m) MASK_AND_RSHIFT((m), (m))
77
78#endif /* _BIT_TWIDDLE */
79
80/* RTL8180L Host Control and Status Registers */
81
82#define RTW_IDR0	0x00	/* ID Register: MAC addr, 6 bytes.
83				 * Auto-loaded from EEPROM. Read by byte,
84				 * by word, or by double word, but write
85				 * only by double word.
86				 */
87#define RTW_IDR1	0x04
88
89#define RTW_MAR0	0x08	/* Multicast filter, 64b. */
90#define RTW_MAR1	0x0c
91
92#define RTW_TSFTRL	0x18	/* Timing Synchronization Function Timer
93				 * Register, low word, 32b, read-only.
94				 */
95#define RTW_TSFTRH	0x1c	/* High word, 32b, read-only. */
96#define	RTW_TLPDA	0x20	/* Transmit Low Priority Descriptors Start
97				 * Address, 32b, 256-byte alignment.
98				 */
99#define	RTW_TNPDA	0x24	/* Transmit Normal Priority Descriptors Start
100				 * Address, 32b, 256-byte alignment.
101				 */
102#define	RTW_THPDA	0x28	/* Transmit High Priority Descriptors Start
103				 * Address, 32b, 256-byte alignment.
104				 */
105
106#define RTW_BRSR	0x2c	/* Basic Rate Set Register, 16b */
107#define	RTW_BRSR_BPLCP	BIT(8)	/* 1: use short PLCP header for CTS/ACK packet,
108				 * 0: use long PLCP header
109				 */
110#define RTW_BRSR_MBR8180_MASK	BITS(1,0)	/* Maximum Basic Service Rate */
111#define RTW_BRSR_MBR8180_1MBPS	LSHIFT(0, RTW_BRSR_MBR8180_MASK)
112#define RTW_BRSR_MBR8180_2MBPS	LSHIFT(1, RTW_BRSR_MBR8180_MASK)
113#define RTW_BRSR_MBR8180_5MBPS	LSHIFT(2, RTW_BRSR_MBR8180_MASK)
114#define RTW_BRSR_MBR8180_11MBPS	LSHIFT(3, RTW_BRSR_MBR8180_MASK)
115
116/* 8181 and 8180 docs conflict! */
117#define RTW_BRSR_MBR8181_1MBPS	BIT(0)
118#define RTW_BRSR_MBR8181_2MBPS	BIT(1)
119#define RTW_BRSR_MBR8181_5MBPS	BIT(2)
120#define RTW_BRSR_MBR8181_11MBPS	BIT(3)
121
122#define RTW_BSSID	0x2e
123/* BSSID, 6 bytes */
124#define RTW_BSSID16	0x2e		/* first two bytes */
125#define RTW_BSSID32	(0x2e + 4)	/* remaining four bytes */
126#define RTW_BSSID0	RTW_BSSID16		/* BSSID[0], 8b */
127#define RTW_BSSID1	(RTW_BSSID0 + 1)	/* BSSID[1], 8b */
128#define RTW_BSSID2	(RTW_BSSID1 + 1)	/* BSSID[2], 8b */
129#define RTW_BSSID3	(RTW_BSSID2 + 1)	/* BSSID[3], 8b */
130#define RTW_BSSID4	(RTW_BSSID3 + 1)	/* BSSID[4], 8b */
131#define RTW_BSSID5	(RTW_BSSID4 + 1)	/* BSSID[5], 8b */
132
133#define	RTW_CR		0x37	/* Command Register, 8b */
134#define	RTW_CR_RST	BIT(4)	/* Reset: host sets to 1 to disable
135				 * transmitter & receiver, reinitialize FIFO.
136				 * RTL8180L sets to 0 to signal completion.
137				 */
138#define	RTW_CR_RE	BIT(3)	/* Receiver Enable: host enables receiver
139				 * by writing 1. RTL8180L indicates receiver
140				 * is active with 1. After power-up, host
141				 * must wait for reset before writing.
142				 */
143#define	RTW_CR_TE	BIT(2)	/* Transmitter Enable: host enables transmitter
144				 * by writing 1. RTL8180L indicates transmitter
145				 * is active with 1. After power-up, host
146				 * must wait for reset before writing.
147				 */
148#define	RTW_CR_MULRW	BIT(0)	/* PCI Multiple Read/Write enable: 1 enables,
149				 * 0 disables. XXX RTL8180, only?
150				 */
151
152#define	RTW_IMR		0x3c	/* Interrupt Mask Register, 16b */
153#define	RTW_ISR		0x3e	/* Interrupt status register, 16b */
154
155#define RTW_INTR_TXFOVW	BIT(15)		/* Tx FIFO Overflow */
156#define RTW_INTR_TIMEOUT	BIT(14)	/* Time Out: 1 indicates
157					 * RTW_TSFTR[0:31] = RTW_TINT
158					 */
159#define RTW_INTR_BCNINT	BIT(13)	/* Beacon Time Out: time for host to
160				 * prepare beacon:
161				 * RTW_TSFTR % (RTW_BCNITV_BCNITV * TU) =
162				 * (RTW_BCNITV_BCNITV * TU - RTW_BINTRITV)
163				 */
164#define RTW_INTR_ATIMINT	BIT(12)
165				/* ATIM Time Out: ATIM interval will pass,
166				 * RTW_TSFTR % (RTW_BCNITV_BCNITV * TU) =
167				 * (RTW_ATIMWND_ATIMWND * TU - RTW_ATIMTRITV)
168				 */
169#define RTW_INTR_TBDER	BIT(11)	/* Tx Beacon Descriptor Error:
170				 * beacon transmission aborted because
171				 * frame Rx'd
172				 */
173#define RTW_INTR_TBDOK	BIT(10)	/* Tx Beacon Descriptor OK */
174#define RTW_INTR_THPDER	BIT(9)	/* Tx High Priority Descriptor Error:
175				 * reached short/long retry limit
176				 */
177#define RTW_INTR_THPDOK	BIT(8)	/* Tx High Priority Descriptor OK */
178#define RTW_INTR_TNPDER	BIT(7)	/* Tx Normal Priority Descriptor Error:
179				 * reached short/long retry limit
180				 */
181#define RTW_INTR_TNPDOK	BIT(6)	/* Tx Normal Priority Descriptor OK */
182#define RTW_INTR_RXFOVW	BIT(5)	/* Rx FIFO Overflow: either RDU (see below)
183				 * or PCI bus too slow/busy
184				 */
185#define RTW_INTR_RDU	BIT(4)	/* Rx Descriptor Unavailable */
186#define RTW_INTR_TLPDER	BIT(3)	/* Tx Normal Priority Descriptor Error
187				 * reached short/long retry limit
188				 */
189#define RTW_INTR_TLPDOK	BIT(2)	/* Tx Normal Priority Descriptor OK */
190#define RTW_INTR_RER	BIT(1)	/* Rx Error: CRC32 or ICV error */
191#define RTW_INTR_ROK	BIT(0)	/* Rx OK */
192
193/* Convenient interrupt conjunctions. */
194#define RTW_INTR_RX	(RTW_INTR_RER|RTW_INTR_ROK)
195#define RTW_INTR_TX	(RTW_INTR_TLPDER|RTW_INTR_TLPDOK|RTW_INTR_THPDER|\
196			 RTW_INTR_THPDOK|RTW_INTR_TNPDER|RTW_INTR_TNPDOK)
197#define RTW_INTR_BEACON	(RTW_INTR_TBDER|RTW_INTR_TBDOK|RTW_INTR_BCNINT)
198#define RTW_INTR_IOERROR	(RTW_INTR_TXFOVW|RTW_INTR_RXFOVW|RTW_INTR_RDU)
199
200#define	RTW_TCR		0x40	/* Transmit Configuration Register, 32b */
201#define RTW_TCR_CWMIN	BIT(31)	/* 1: CWmin = 8, 0: CWmin = 32. */
202#define RTW_TCR_SWSEQ	BIT(30)	/* 1: host assigns 802.11 sequence number,
203				 * 0: hardware assigns sequence number
204				 */
205/* Hardware version ID, read-only */
206#define RTW_TCR_HWVERID_MASK	BITS(29, 25)
207#define RTW_TCR_HWVERID_D	LSHIFT(26, RTW_TCR_HWVERID_MASK)
208#define RTW_TCR_HWVERID_F	LSHIFT(27, RTW_TCR_HWVERID_MASK)
209#define RTW_TCR_HWVERID_RTL8180	RTW_TCR_HWVERID_F
210
211/* Set ACK/CTS Timeout (EIFS).
212 * 1: ACK rate = max(RTW_BRSR_MBR, Rx rate) (XXX not min? typo in datasheet?)
213 * 0: ACK rate = 1Mbps
214 */
215#define RTW_TCR_SAT	BIT(24)
216/* Max DMA Burst Size per Tx DMA Burst */
217#define RTW_TCR_MXDMA_MASK	BITS(23,21)
218#define RTW_TCR_MXDMA_16	LSHIFT(0, RTW_TCR_MXDMA_MASK)
219#define RTW_TCR_MXDMA_32	LSHIFT(1, RTW_TCR_MXDMA_MASK)
220#define RTW_TCR_MXDMA_64	LSHIFT(2, RTW_TCR_MXDMA_MASK)
221#define RTW_TCR_MXDMA_128	LSHIFT(3, RTW_TCR_MXDMA_MASK)
222#define RTW_TCR_MXDMA_256	LSHIFT(4, RTW_TCR_MXDMA_MASK)
223#define RTW_TCR_MXDMA_512	LSHIFT(5, RTW_TCR_MXDMA_MASK)
224#define RTW_TCR_MXDMA_1024	LSHIFT(6, RTW_TCR_MXDMA_MASK)
225#define RTW_TCR_MXDMA_2048	LSHIFT(7, RTW_TCR_MXDMA_MASK)
226
227#define RTW_TCR_DISCW		BIT(20)	/* disable 802.11 random backoff */
228
229#define RTW_TCR_ICV		BIT(19)	/* host lets RTL8180 append ICV to
230					 * WEP packets
231					 */
232
233/* Loopback Test: disables TXI/TXQ outputs. */
234#define RTW_TCR_LBK_MASK	BITS(18,17)
235#define RTW_TCR_LBK_NORMAL	LSHIFT(0, RTW_TCR_LBK_MASK) /* normal ops */
236#define RTW_TCR_LBK_MAC		LSHIFT(1, RTW_TCR_LBK_MASK) /* MAC loopback */
237#define RTW_TCR_LBK_BBP		LSHIFT(2, RTW_TCR_LBK_MASK) /* baseband loop. */
238#define RTW_TCR_LBK_CONT	LSHIFT(3, RTW_TCR_LBK_MASK) /* continuous Tx */
239
240#define RTW_TCR_CRC	BIT(16)		/* 0: RTL8180 appends CRC32
241					 * 1: host appends CRC32
242					 *
243					 * (I *think* this is right.
244					 *  The docs have a mysterious
245					 *  description in the
246					 *  passive voice.)
247					 */
248#define RTW_TCR_SRL_MASK	BITS(15,8)	/* Short Retry Limit */
249#define RTW_TCR_LRL_MASK	BITS(7,0)	/* Long Retry Limit */
250
251#define	RTW_RCR		0x44	/* Receive Configuration Register, 32b */
252#define RTW_RCR_ONLYERLPKT	BIT(31)	/* only do Early Rx on packets
253					 * longer than 1536 bytes
254					 */
255#define RTW_RCR_ENCS2		BIT(30)	/* enable carrier sense method 2 */
256#define RTW_RCR_ENCS1		BIT(29)	/* enable carrier sense method 1 */
257#define RTW_RCR_ENMARP		BIT(28)	/* enable MAC auto-reset PHY */
258#define RTW_RCR_CBSSID		BIT(23)	/* Check BSSID/ToDS/FromDS: set
259					 * "Link On" when received BSSID
260					 * matches RTW_BSSID and received
261					 * ToDS/FromDS are appropriate
262					 * according to RTW_MSR_NETYPE.
263					 */
264#define RTW_RCR_APWRMGT		BIT(22)	/* accept packets w/ PWRMGMT bit set */
265#define RTW_RCR_ADD3		BIT(21)	/* when RTW_MSR_NETYPE ==
266					 * RTW_MSR_NETYPE_INFRA_OK, accept
267					 * broadcast/multicast packets whose
268					 * 3rd address matches RTL8180's MAC.
269					 */
270#define RTW_RCR_AMF		BIT(20)	/* accept management frames */
271#define RTW_RCR_ACF		BIT(19)	/* accept control frames */
272#define RTW_RCR_ADF		BIT(18)	/* accept data frames */
273/* Rx FIFO Threshold: RTL8180 begins PCI transfer when this many data
274 * bytes are received
275 */
276#define RTW_RCR_RXFTH_MASK	BITS(15,13)
277#define RTW_RCR_RXFTH_64	LSHIFT(2, RTW_RCR_RXFTH_MASK)
278#define RTW_RCR_RXFTH_128	LSHIFT(3, RTW_RCR_RXFTH_MASK)
279#define RTW_RCR_RXFTH_256	LSHIFT(4, RTW_RCR_RXFTH_MASK)
280#define RTW_RCR_RXFTH_512	LSHIFT(5, RTW_RCR_RXFTH_MASK)
281#define RTW_RCR_RXFTH_1024	LSHIFT(6, RTW_RCR_RXFTH_MASK)
282#define RTW_RCR_RXFTH_WHOLE	LSHIFT(7, RTW_RCR_RXFTH_MASK)
283
284#define RTW_RCR_AICV		BIT(12)	/* accept frames w/ ICV errors */
285
286/* Max DMA Burst Size per Rx DMA Burst */
287#define RTW_RCR_MXDMA_MASK	BITS(10,8)
288#define RTW_RCR_MXDMA_16	LSHIFT(0, RTW_RCR_MXDMA_MASK)
289#define RTW_RCR_MXDMA_32	LSHIFT(1, RTW_RCR_MXDMA_MASK)
290#define RTW_RCR_MXDMA_64	LSHIFT(2, RTW_RCR_MXDMA_MASK)
291#define RTW_RCR_MXDMA_128	LSHIFT(3, RTW_RCR_MXDMA_MASK)
292#define RTW_RCR_MXDMA_256	LSHIFT(4, RTW_RCR_MXDMA_MASK)
293#define RTW_RCR_MXDMA_512	LSHIFT(5, RTW_RCR_MXDMA_MASK)
294#define RTW_RCR_MXDMA_1024	LSHIFT(6, RTW_RCR_MXDMA_MASK)
295#define RTW_RCR_MXDMA_UNLIMITED	LSHIFT(7, RTW_RCR_MXDMA_MASK)
296
297/* EEPROM type, read-only. 1: EEPROM is 93c56, 0: 93c46 */
298#define RTW_RCR_9356SEL		BIT(6)
299
300#define RTW_RCR_ACRC32		BIT(5)	/* accept frames w/ CRC32 errors */
301#define RTW_RCR_AB		BIT(3)	/* accept broadcast frames */
302#define RTW_RCR_AM		BIT(2)	/* accept multicast frames */
303/* accept physical match frames. XXX means PLCP header ok? */
304#define RTW_RCR_APM		BIT(1)
305#define RTW_RCR_AAP		BIT(0)	/* accept frames w/ destination */
306
307/* Additional bits to set in monitor mode. */
308#define RTW_RCR_MONITOR (		\
309    RTW_RCR_AAP |			\
310    RTW_RCR_ACF |			\
311    RTW_RCR_ACRC32 |			\
312    RTW_RCR_AICV |			\
313    0)
314
315/* The packet filter bits. */
316#define	RTW_RCR_PKTFILTER_MASK (\
317    RTW_RCR_AAP |		\
318    RTW_RCR_AB |		\
319    RTW_RCR_ACF |		\
320    RTW_RCR_ACRC32 |		\
321    RTW_RCR_ADD3 |		\
322    RTW_RCR_ADF |		\
323    RTW_RCR_AICV |		\
324    RTW_RCR_AM |		\
325    RTW_RCR_AMF |		\
326    RTW_RCR_APM |		\
327    RTW_RCR_APWRMGT |		\
328    0)
329
330/* Receive power-management frames and mgmt/ctrl/data frames. */
331#define	RTW_RCR_PKTFILTER_DEFAULT	(	\
332    RTW_RCR_ADF |				\
333    RTW_RCR_AMF |				\
334    RTW_RCR_APM |				\
335    RTW_RCR_APWRMGT |				\
336    0)
337
338#define RTW_TINT	0x48	/* Timer Interrupt Register, 32b */
339#define	RTW_TBDA	0x4c	/* Transmit Beacon Descriptor Start Address,
340				 * 32b, 256-byte alignment
341				 */
342#define RTW_9346CR	0x50	/* 93c46/93c56 Command Register, 8b */
343#define RTW_9346CR_EEM_MASK	BITS(7,6)	/* Operating Mode */
344#define RTW_9346CR_EEM_NORMAL	LSHIFT(0, RTW_9346CR_EEM_MASK)
345/* Load the EEPROM. Reset registers to defaults.
346 * Takes ~2ms. RTL8180 indicates completion with RTW_9346CR_EEM_NORMAL.
347 * XXX RTL8180 only?
348 */
349#define RTW_9346CR_EEM_AUTOLOAD	LSHIFT(1, RTW_9346CR_EEM_MASK)
350/* Disable network & bus-master operations and enable
351 * _EECS, _EESK, _EEDI, _EEDO.
352 * XXX RTL8180 only?
353 */
354#define RTW_9346CR_EEM_PROGRAM	LSHIFT(2, RTW_9346CR_EEM_MASK)
355/* Enable RTW_CONFIG[0123] registers. */
356#define RTW_9346CR_EEM_CONFIG	LSHIFT(3, RTW_9346CR_EEM_MASK)
357/* EEPROM pin status/control in _EEM_CONFIG, _EEM_AUTOLOAD modes.
358 * XXX RTL8180 only?
359 */
360#define RTW_9346CR_EECS	BIT(3)
361#define RTW_9346CR_EESK	BIT(2)
362#define RTW_9346CR_EEDI	BIT(1)
363#define RTW_9346CR_EEDO	BIT(0)	/* read-only */
364
365#define RTW_CONFIG0	0x51	/* Configuration Register 0, 8b */
366#define RTW_CONFIG0_WEP40	BIT(7)	/* implements 40-bit WEP,
367					 * XXX RTL8180 only?
368					 */
369#define RTW_CONFIG0_WEP104	BIT(6)	/* implements 104-bit WEP,
370					 * from EEPROM, read-only
371					 * XXX RTL8180 only?
372					 */
373#define RTW_CONFIG0_LEDGPOEN	BIT(4)	/* 1: RTW_PSR_LEDGPO[01] control
374					 *    LED[01] pins.
375					 * 0: LED behavior defined by
376					 *    RTW_CONFIG1_LEDS10_MASK
377					 * XXX RTL8180 only?
378					 */
379/* auxiliary power is present, read-only */
380#define RTW_CONFIG0_AUXPWR	BIT(3)
381/* Geographic Location, read-only */
382#define RTW_CONFIG0_GL_MASK		BITS(1,0)
383/* _RTW_CONFIG0_GL_* is what the datasheet says, but RTW_CONFIG0_GL_*
384 * work.
385 */
386#define _RTW_CONFIG0_GL_USA		LSHIFT(3, RTW_CONFIG0_GL_MASK)
387#define RTW_CONFIG0_GL_EUROPE		LSHIFT(2, RTW_CONFIG0_GL_MASK)
388#define RTW_CONFIG0_GL_JAPAN		LSHIFT(1, RTW_CONFIG0_GL_MASK)
389#define RTW_CONFIG0_GL_USA		LSHIFT(0, RTW_CONFIG0_GL_MASK)
390/* RTL8181 datasheet says RTW_CONFIG0_GL_JAPAN = 0. */
391
392#define RTW_CONFIG1	0x52	/* Configuration Register 1, 8b */
393
394/* LED configuration. From EEPROM. Read/write.
395 *
396 * Setting				LED0		LED1
397 * -------				----		----
398 * RTW_CONFIG1_LEDS_ACT_INFRA		Activity	Infrastructure
399 * RTW_CONFIG1_LEDS_ACT_LINK		Activity	Link
400 * RTW_CONFIG1_LEDS_TX_RX		Tx		Rx
401 * RTW_CONFIG1_LEDS_LINKACT_INFRA	Link/Activity	Infrastructure
402 */
403#define RTW_CONFIG1_LEDS_MASK	BITS(7,6)
404#define RTW_CONFIG1_LEDS_ACT_INFRA	LSHIFT(0, RTW_CONFIG1_LEDS_MASK)
405#define RTW_CONFIG1_LEDS_ACT_LINK	LSHIFT(1, RTW_CONFIG1_LEDS_MASK)
406#define RTW_CONFIG1_LEDS_TX_RX		LSHIFT(2, RTW_CONFIG1_LEDS_MASK)
407#define RTW_CONFIG1_LEDS_LINKACT_INFRA	LSHIFT(3, RTW_CONFIG1_LEDS_MASK)
408
409/* LWAKE Output Signal. Only applicable to Cardbus. Pulse width is 150ms.
410 *
411 *                                   RTW_CONFIG1_LWACT
412 *				0			1
413 * RTW_CONFIG4_LWPTN	0	active high		active low
414 *			1	positive pulse		negative pulse
415 */
416#define RTW_CONFIG1_LWACT	BIT(4)
417
418#define RTW_CONFIG1_MEMMAP	BIT(3)	/* using PCI memory space, read-only */
419#define RTW_CONFIG1_IOMAP	BIT(2)	/* using PCI I/O space, read-only */
420#define RTW_CONFIG1_VPD		BIT(1)	/* if set, VPD from offsets
421					 * 0x40-0x7f in EEPROM are at
422					 * registers 0x60-0x67 of PCI
423					 * Configuration Space (XXX huh?)
424					 */
425#define RTW_CONFIG1_PMEN	BIT(0)	/* Power Management Enable: TBD */
426
427#define RTW_CONFIG2	0x53	/* Configuration Register 2, 8b */
428#define RTW_CONFIG2_LCK	BIT(7)	/* clocks are locked, read-only:
429				 * Tx frequency & symbol clocks
430				 * are derived from the same OSC
431				 */
432#define RTW_CONFIG2_ANT	BIT(6)	/* diversity enabled, read-only */
433#define RTW_CONFIG2_DPS	BIT(3)	/* Descriptor Polling State: enable
434				 * test mode.
435				 */
436#define RTW_CONFIG2_PAPESIGN		BIT(2)		/* TBD, from EEPROM */
437#define RTW_CONFIG2_PAPETIME_MASK	BITS(1,0)	/* TBD, from EEPROM */
438
439#define	RTW_ANAPARM	0x54	/* Analog parameter, 32b */
440#define RTW_ANAPARM_RFPOW0_MASK	BITS(30,28)		/* undocumented bits
441							 * which appear to
442							 * control the power
443							 * state of the RF
444							 * components
445							 */
446#define	RTW_ANAPARM_RFPOW_MASK	\
447    (RTW_ANAPARM_RFPOW0_MASK|RTW_ANAPARM_RFPOW1_MASK)
448
449#define RTW_ANAPARM_TXDACOFF	BIT(27)			/* 1: disable Tx DAC,
450							 * 0: enable
451							 */
452#define RTW_ANAPARM_RFPOW1_MASK	BITS(26,20)		/* undocumented bits
453							 * which appear to
454							 * control the power
455							 * state of the RF
456							 * components
457							 */
458
459/*
460 * Maxim On/Sleep/Off control
461 */
462#define RTW_ANAPARM_RFPOW_MAXIM_ON	LSHIFT(0x8, RTW_ANAPARM_RFPOW1_MASK)
463
464/* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
465#define RTW_ANAPARM_RFPOW_MAXIM_SLEEP	LSHIFT(0x378, RTW_ANAPARM_RFPOW1_MASK)
466
467/* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
468#define RTW_ANAPARM_RFPOW_MAXIM_OFF	LSHIFT(0x379, RTW_ANAPARM_RFPOW1_MASK)
469
470/*
471 * RFMD On/Sleep/Off control
472 */
473#define RTW_ANAPARM_RFPOW_RFMD_ON	LSHIFT(0x408, RTW_ANAPARM_RFPOW1_MASK)
474
475/* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
476#define RTW_ANAPARM_RFPOW_RFMD_SLEEP	LSHIFT(0x378, RTW_ANAPARM_RFPOW1_MASK)
477
478/* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
479#define RTW_ANAPARM_RFPOW_RFMD_OFF	LSHIFT(0x379, RTW_ANAPARM_RFPOW1_MASK)
480
481/*
482 * Philips On/Sleep/Off control
483 */
484#define RTW_ANAPARM_RFPOW_ANA_PHILIPS_ON	\
485    LSHIFT(0x328, RTW_ANAPARM_RFPOW1_MASK)
486#define RTW_ANAPARM_RFPOW_DIG_PHILIPS_ON	\
487    LSHIFT(0x008, RTW_ANAPARM_RFPOW1_MASK)
488
489/* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
490#define RTW_ANAPARM_RFPOW_PHILIPS_SLEEP\
491    LSHIFT(0x378, RTW_ANAPARM_RFPOW1_MASK)
492
493/* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
494#define RTW_ANAPARM_RFPOW_PHILIPS_OFF\
495    LSHIFT(0x379, RTW_ANAPARM_RFPOW1_MASK)
496
497#define RTW_ANAPARM_RFPOW_PHILIPS_ON	LSHIFT(0x328, RTW_ANAPARM_RFPOW1_MASK)
498
499#define RTW_ANAPARM_CARDSP_MASK	BITS(19,0)		/* undocumented
500							 * card-specific
501							 * bits from the
502							 * EEPROM.
503							 */
504
505#define RTW_MSR		0x58	/* Media Status Register, 8b */
506/* Network Type and Link Status */
507#define RTW_MSR_NETYPE_MASK	BITS(3,2)
508/* AP, XXX RTL8181 only? */
509#define RTW_MSR_NETYPE_AP_OK	LSHIFT(3, RTW_MSR_NETYPE_MASK)
510/* infrastructure link ok */
511#define RTW_MSR_NETYPE_INFRA_OK	LSHIFT(2, RTW_MSR_NETYPE_MASK)
512/* ad-hoc link ok */
513#define RTW_MSR_NETYPE_ADHOC_OK	LSHIFT(1, RTW_MSR_NETYPE_MASK)
514/* no link */
515#define RTW_MSR_NETYPE_NOLINK	LSHIFT(0, RTW_MSR_NETYPE_MASK)
516
517#define RTW_CONFIG3	0x59	/* Configuration Register 3, 8b */
518#define RTW_CONFIG3_GNTSEL	BIT(7)	/* Grant Select, read-only */
519#define RTW_CONFIG3_PARMEN	BIT(6)	/* Set RTW_CONFIG3_PARMEN and
520					 * RTW_9346CR_EEM_CONFIG to
521					 * allow RTW_ANAPARM writes.
522					 */
523#define RTW_CONFIG3_MAGIC	BIT(5)	/* Valid when RTW_CONFIG1_PMEN is
524					 * set. If set, RTL8180 wakes up
525					 * OS when Magic Packet is Rx'd.
526					 */
527#define RTW_CONFIG3_CARDBEN	BIT(3)	/* Cardbus-related registers
528					 * and functions are enabled,
529					 * read-only. XXX RTL8180 only.
530					 */
531#define RTW_CONFIG3_CLKRUNEN	BIT(2)	/* CLKRUN enabled, read-only.
532					 * XXX RTL8180 only.
533					 */
534#define RTW_CONFIG3_FUNCREGEN	BIT(1)	/* Function Registers Enabled,
535					 * read-only. XXX RTL8180 only.
536					 */
537#define RTW_CONFIG3_FBTBEN	BIT(0)	/* Fast back-to-back enabled,
538					 * read-only.
539					 */
540#define RTW_CONFIG4	0x5A	/* Configuration Register 4, 8b */
541#define RTW_CONFIG4_VCOPDN	BIT(7)	/* VCO Power Down
542					 * 0: normal operation
543					 *    (power-on default)
544					 * 1: power-down VCO, RF front-end,
545					 *    and most RTL8180 components.
546					 */
547#define RTW_CONFIG4_PWROFF	BIT(6)	/* Power Off
548					 * 0: normal operation
549					 *    (power-on default)
550					 * 1: power-down RF front-end,
551					 *    and most RTL8180 components,
552					 *    but leave VCO on.
553					 *
554					 * XXX RFMD front-end only?
555					 */
556#define RTW_CONFIG4_PWRMGT	BIT(5)	/* Power Management
557					 * 0: normal operation
558					 *    (power-on default)
559					 * 1: set Tx packet's PWRMGMT bit.
560					 */
561#define RTW_CONFIG4_LWPME	BIT(4)	/* LANWAKE vs. PMEB: Cardbus-only
562					 * 0: LWAKE & PMEB asserted
563					 *    simultaneously
564					 * 1: LWAKE asserted only if
565					 *    both PMEB is asserted and
566					 *    ISOLATEB is low.
567					 * XXX RTL8180 only.
568					 */
569#define RTW_CONFIG4_LWPTN	BIT(2)	/* see RTW_CONFIG1_LWACT
570					 * XXX RTL8180 only.
571					 */
572/* Radio Front-End Programming Method */
573#define RTW_CONFIG4_RFTYPE_MASK	BITS(1,0)
574#define RTW_CONFIG4_RFTYPE_INTERSIL	LSHIFT(1, RTW_CONFIG4_RFTYPE_MASK)
575#define RTW_CONFIG4_RFTYPE_RFMD		LSHIFT(2, RTW_CONFIG4_RFTYPE_MASK)
576#define RTW_CONFIG4_RFTYPE_PHILIPS	LSHIFT(3, RTW_CONFIG4_RFTYPE_MASK)
577
578#define RTW_TESTR	0x5B	/* TEST mode register, 8b */
579
580#define RTW_PSR		0x5e	/* Page Select Register, 8b */
581#define RTW_PSR_GPO	BIT(7)	/* Control/status of pin 52. */
582#define RTW_PSR_GPI	BIT(6)	/* Status of pin 64. */
583#define RTW_PSR_LEDGPO1	BIT(5)	/* Status/control of LED1 pin if
584				 * RTW_CONFIG0_LEDGPOEN is set.
585				 */
586#define RTW_PSR_LEDGPO0	BIT(4)	/* Status/control of LED0 pin if
587				 * RTW_CONFIG0_LEDGPOEN is set.
588				 */
589#define RTW_PSR_UWF	BIT(1)	/* Enable Unicast Wakeup Frame */
590#define RTW_PSR_PSEN	BIT(0)	/* 1: page 1, 0: page 0 */
591
592#define RTW_SCR		0x5f	/* Security Configuration Register, 8b */
593#define RTW_SCR_KM_MASK	BITS(5,4)	/* Key Mode */
594#define RTW_SCR_KM_WEP104	LSHIFT(1, RTW_SCR_KM_MASK)
595#define RTW_SCR_KM_WEP40	LSHIFT(0, RTW_SCR_KM_MASK)
596#define RTW_SCR_TXSECON		BIT(1)	/* Enable Tx WEP. Invalid if
597					 * neither RTW_CONFIG0_WEP40 nor
598					 * RTW_CONFIG0_WEP104 is set.
599					 */
600#define RTW_SCR_RXSECON		BIT(0)	/* Enable Rx WEP. Invalid if
601					 * neither RTW_CONFIG0_WEP40 nor
602					 * RTW_CONFIG0_WEP104 is set.
603					 */
604
605#define	RTW_BCNITV	0x70	/* Beacon Interval Register, 16b */
606#define	RTW_BCNITV_BCNITV_MASK	BITS(9,0)	/* TU between TBTT, written
607						 * by host.
608						 */
609#define	RTW_ATIMWND	0x72	/* ATIM Window Register, 16b */
610#define	RTW_ATIMWND_ATIMWND	BITS(9,0)	/* ATIM Window length in TU,
611						 * written by host.
612						 */
613
614#define RTW_BINTRITV	0x74	/* Beacon Interrupt Interval Register, 16b */
615#define	RTW_BINTRITV_BINTRITV	BITS(9,0)	/* RTL8180 wakes host with
616						 * RTW_INTR_BCNINT at BINTRITV
617						 * microseconds before TBTT
618						 */
619#define RTW_ATIMTRITV	0x76	/* ATIM Interrupt Interval Register, 16b */
620#define	RTW_ATIMTRITV_ATIMTRITV	BITS(9,0)	/* RTL8180 wakes host with
621						 * RTW_INTR_ATIMINT at ATIMTRITV
622						 * microseconds before end of
623						 * ATIM Window
624						 */
625
626#define RTW_PHYDELAY	0x78	/* PHY Delay Register, 8b */
627#define RTW_PHYDELAY_REVC_MAGIC	BIT(3)		/* Rev. C magic from reference
628						 * driver
629						 */
630#define RTW_PHYDELAY_PHYDELAY	BITS(2,0)	/* microsecond Tx delay between
631						 * MAC and RF front-end
632						 */
633#define RTW_CRCOUNT	0x79	/* Carrier Sense Counter, 8b */
634#define	RTW_CRCOUNT_MAGIC	0x4c
635
636#define RTW_CRC16ERR	0x7a	/* CRC16 error count, 16b, XXX RTL8181 only? */
637
638#define RTW_BB	0x7c		/* Baseband interface, 32b */
639/* used for writing RTL8180's integrated baseband processor */
640#define RTW_BB_RD_MASK		BITS(23,16)	/* data to read */
641#define RTW_BB_WR_MASK		BITS(15,8)	/* data to write */
642#define RTW_BB_WREN		BIT(7)		/* write enable */
643#define RTW_BB_ADDR_MASK	BITS(6,0)	/* address */
644
645#define RTW_PHYADDR	0x7c	/* Address register for PHY interface, 8b */
646#define RTW_PHYDATAW	0x7d	/* Write data to PHY, 8b, write-only */
647#define RTW_PHYDATAR	0x7e	/* Read data from PHY, 8b (?), read-only */
648
649#define RTW_PHYCFG	0x80	/* PHY Configuration Register, 32b */
650#define RTW_PHYCFG_MAC_POLL	BIT(31)		/* if !RTW_PHYCFG_HST,
651						 * host sets. MAC clears
652						 * after banging bits.
653						 */
654#define	RTW_PHYCFG_HST		BIT(30)		/* 1: host bangs bits
655						 * 0: MAC bangs bits
656						 */
657#define RTW_PHYCFG_MAC_RFTYPE_MASK	BITS(29,28)
658#define RTW_PHYCFG_MAC_RFTYPE_INTERSIL	LSHIFT(0, RTW_PHYCFG_MAC_RFTYPE_MASK)
659#define RTW_PHYCFG_MAC_RFTYPE_RFMD	LSHIFT(1, RTW_PHYCFG_MAC_RFTYPE_MASK)
660#define RTW_PHYCFG_MAC_RFTYPE_GCT	RTW_PHYCFG_MAC_RFTYPE_RFMD
661#define RTW_PHYCFG_MAC_RFTYPE_PHILIPS	LSHIFT(3, RTW_PHYCFG_MAC_RFTYPE_MASK)
662#define RTW_PHYCFG_MAC_PHILIPS_ADDR_MASK	BITS(27,24)
663#define RTW_PHYCFG_MAC_PHILIPS_DATA_MASK	BITS(23,0)
664#define RTW_PHYCFG_MAC_MAXIM_LODATA_MASK	BITS(27,24)
665#define RTW_PHYCFG_MAC_MAXIM_ADDR_MASK		BITS(11,8)
666#define RTW_PHYCFG_MAC_MAXIM_HIDATA_MASK	BITS(7,0)
667#define	RTW_PHYCFG_HST_EN		BIT(2)
668#define	RTW_PHYCFG_HST_CLK		BIT(1)
669#define	RTW_PHYCFG_HST_DATA		BIT(0)
670
671#define	RTW_MAXIM_HIDATA_MASK			BITS(11,4)
672#define	RTW_MAXIM_LODATA_MASK			BITS(3,0)
673
674/**
675 ** 0x84 - 0xD3, page 1, selected when RTW_PSR[PSEN] == 1.
676 **/
677
678#define	RTW_WAKEUP0L	0x84	/* Power Management Wakeup Frame */
679#define	RTW_WAKEUP0H	0x88	/* 32b */
680
681#define	RTW_WAKEUP1L	0x8c
682#define	RTW_WAKEUP1H	0x90
683
684#define	RTW_WAKEUP2LL	0x94
685#define	RTW_WAKEUP2LH	0x98
686
687#define	RTW_WAKEUP2HL	0x9c
688#define	RTW_WAKEUP2HH	0xa0
689
690#define	RTW_WAKEUP3LL	0xa4
691#define	RTW_WAKEUP3LH	0xa8
692
693#define	RTW_WAKEUP3HL	0xac
694#define	RTW_WAKEUP3HH	0xb0
695
696#define	RTW_WAKEUP4LL	0xb4
697#define	RTW_WAKEUP4LH	0xb8
698
699#define	RTW_WAKEUP4HL	0xbc
700#define	RTW_WAKEUP4HH	0xc0
701
702#define RTW_CRC0	0xc4	/* CRC of wakeup frame 0, 16b */
703#define RTW_CRC1	0xc6	/* CRC of wakeup frame 1, 16b */
704#define RTW_CRC2	0xc8	/* CRC of wakeup frame 2, 16b */
705#define RTW_CRC3	0xca	/* CRC of wakeup frame 3, 16b */
706#define RTW_CRC4	0xcc	/* CRC of wakeup frame 4, 16b */
707
708/**
709 ** 0x84 - 0xD3, page 0, selected when RTW_PSR[PSEN] == 0.
710 **/
711
712/* Default Key Registers, each 128b
713 *
714 * If RTW_SCR_KM_WEP104, 104 lsb are the key.
715 * If RTW_SCR_KM_WEP40, 40 lsb are the key.
716 */
717#define RTW_DK0		0x90	/* Default Key 0 Register, 128b */
718#define RTW_DK1		0xa0	/* Default Key 1 Register, 128b */
719#define RTW_DK2		0xb0	/* Default Key 2 Register, 128b */
720#define RTW_DK3		0xc0	/* Default Key 3 Register, 128b */
721
722#define	RTW_CONFIG5	0xd8	/* Configuration Register 5, 8b */
723#define RTW_CONFIG5_TXFIFOOK	BIT(7)	/* Tx FIFO self-test pass, read-only */
724#define RTW_CONFIG5_RXFIFOOK	BIT(6)	/* Rx FIFO self-test pass, read-only */
725#define RTW_CONFIG5_CALON	BIT(5)	/* 1: start calibration cycle
726					 *    and raise AGCRESET pin.
727					 * 0: lower AGCRESET pin
728					 */
729#define RTW_CONFIG5_EACPI	BIT(2)	/* Enable ACPI Wake up, default 0 */
730#define RTW_CONFIG5_LANWAKE	BIT(1)	/* Enable LAN Wake signal,
731					 * from EEPROM
732					 */
733#define RTW_CONFIG5_PMESTS	BIT(0)	/* 1: both software & PCI Reset
734					 *    reset PME_Status
735					 * 0: only software resets PME_Status
736					 *
737					 * From EEPROM.
738					 */
739
740#define	RTW_TPPOLL	0xd9	/* Transmit Priority Polling Register, 8b,
741				 * write-only.
742				 */
743#define RTW_TPPOLL_BQ	BIT(7)	/* RTL8180 clears to notify host of a beacon
744				 * Tx. Host writes have no effect.
745				 */
746#define RTW_TPPOLL_HPQ	BIT(6)	/* Host writes 1 to notify RTL8180 of
747				 * high-priority Tx packets, RTL8180 clears
748				 * to after high-priority Tx is complete.
749				 */
750#define RTW_TPPOLL_NPQ	BIT(5)	/* If RTW_CONFIG2_DPS is set,
751				 * host writes 1 to notify RTL8180 of
752				 * normal-priority Tx packets, RTL8180 clears
753				 * after normal-priority Tx is complete.
754				 *
755				 * If RTW_CONFIG2_DPS is clear, host writes
756				 * have no effect. RTL8180 clears after
757				 * normal-priority Tx is complete.
758				 */
759#define RTW_TPPOLL_LPQ	BIT(4)	/* Host writes 1 to notify RTL8180 of
760				 * low-priority Tx packets, RTL8180 clears
761				 * after low-priority Tx is complete.
762				 */
763#define RTW_TPPOLL_SBQ	BIT(3)	/* Host writes 1 to tell RTL8180 to
764				 * stop beacon DMA. This bit is invalid
765				 * when RTW_CONFIG2_DPS is set.
766				 */
767#define RTW_TPPOLL_SHPQ	BIT(2)	/* Host writes 1 to tell RTL8180 to
768				 * stop high-priority DMA.
769				 */
770#define RTW_TPPOLL_SNPQ	BIT(1)	/* Host writes 1 to tell RTL8180 to
771				 * stop normal-priority DMA. This bit is invalid
772				 * when RTW_CONFIG2_DPS is set.
773				 */
774#define RTW_TPPOLL_SLPQ	BIT(0)	/* Host writes 1 to tell RTL8180 to
775				 * stop low-priority DMA.
776				 */
777#define RTW_TPPOLL_FSWINT	BIT(0)	/* Force software interrupt. From
778				 	 * reference driver.
779					 */
780
781
782#define	RTW_CWR		0xdc	/* Contention Window Register, 16b, read-only */
783/* Contention Window: indicates number of contention windows before Tx
784 */
785#define	RTW_CWR_CW	BITS(9,0)
786
787/* Retry Count Register, 16b, read-only */
788#define	RTW_RETRYCTR	0xde
789/* Retry Count: indicates number of retries after Tx */
790#define	RTW_RETRYCTR_RETRYCT	BITS(7,0)
791
792#define RTW_RDSAR	0xe4	/* Receive descriptor Start Address Register,
793				 * 32b, 256-byte alignment.
794				 */
795/* Function Event Register, 32b, Cardbus only. Only valid when
796 * both RTW_CONFIG3_CARDBEN and RTW_CONFIG3_FUNCREGEN are set.
797 */
798#define RTW_FER		0xf0
799#define RTW_FER_INTR	BIT(15)	/* set when RTW_FFER_INTR is set */
800#define RTW_FER_GWAKE	BIT(4)	/* General Wakeup */
801/* Function Event Mask Register, 32b, Cardbus only. Only valid when
802 * both RTW_CONFIG3_CARDBEN and RTW_CONFIG3_FUNCREGEN are set.
803 */
804#define RTW_FEMR	0xf4
805#define RTW_FEMR_INTR	BIT(15)	/* set when RTW_FFER_INTR is set */
806#define RTW_FEMR_WKUP	BIT(14)	/* Wakeup Mask */
807#define RTW_FEMR_GWAKE	BIT(4)	/* General Wakeup */
808/* Function Present State Register, 32b, read-only, Cardbus only.
809 * Only valid when both RTW_CONFIG3_CARDBEN and RTW_CONFIG3_FUNCREGEN
810 * are set.
811 */
812#define RTW_FPSR	0xf8
813#define RTW_FPSR_INTR	BIT(15)	/* TBD */
814#define RTW_FPSR_GWAKE	BIT(4)	/* General Wakeup: TBD */
815/* Function Force Event Register, 32b, write-only, Cardbus only.
816 * Only valid when both RTW_CONFIG3_CARDBEN and RTW_CONFIG3_FUNCREGEN
817 * are set.
818 */
819#define RTW_FFER	0xfc
820#define RTW_FFER_INTR	BIT(15)	/* TBD */
821#define RTW_FFER_GWAKE	BIT(4)	/* General Wakeup: TBD */
822
823/* Serial EEPROM offsets */
824#define RTW_SR_ID	0x00	/* 16b */
825#define RTW_SR_VID	0x02	/* 16b */
826#define RTW_SR_DID	0x04	/* 16b */
827#define RTW_SR_SVID	0x06	/* 16b */
828#define RTW_SR_SMID	0x08	/* 16b */
829#define RTW_SR_MNGNT	0x0a
830#define RTW_SR_MXLAT	0x0b
831#define RTW_SR_RFCHIPID	0x0c
832#define RTW_SR_CONFIG3	0x0d
833#define RTW_SR_MAC	0x0e	/* 6 bytes */
834#define RTW_SR_CONFIG0	0x14
835#define RTW_SR_CONFIG1	0x15
836#define RTW_SR_PMC	0x16	/* Power Management Capabilities, 16b */
837#define RTW_SR_CONFIG2	0x18
838#define RTW_SR_CONFIG4	0x19
839#define RTW_SR_ANAPARM	0x1a	/* Analog Parameters, 32b */
840#define RTW_SR_TESTR	0x1e
841#define RTW_SR_CONFIG5	0x1f
842#define RTW_SR_TXPOWER1		0x20
843#define RTW_SR_TXPOWER2		0x21
844#define RTW_SR_TXPOWER3		0x22
845#define RTW_SR_TXPOWER4		0x23
846#define RTW_SR_TXPOWER5		0x24
847#define RTW_SR_TXPOWER6		0x25
848#define RTW_SR_TXPOWER7		0x26
849#define RTW_SR_TXPOWER8		0x27
850#define RTW_SR_TXPOWER9		0x28
851#define RTW_SR_TXPOWER10	0x29
852#define RTW_SR_TXPOWER11	0x2a
853#define RTW_SR_TXPOWER12	0x2b
854#define RTW_SR_TXPOWER13	0x2c
855#define RTW_SR_TXPOWER14	0x2d
856#define RTW_SR_CHANNELPLAN	0x2e	/* bitmap of channels to scan */
857#define RTW_SR_ENERGYDETTHR	0x2f	/* energy-detect threshold */
858#define RTW_SR_ENERGYDETTHR_DEFAULT	0x0c	/* use this if old SROM */
859#define RTW_SR_CISPOINTER	0x30	/* 16b */
860#define RTW_SR_RFPARM		0x32	/* RF-specific parameter */
861#define RTW_SR_RFPARM_DIGPHY	BIT(0)		/* 1: digital PHY */
862#define RTW_SR_RFPARM_DFLANTB	BIT(1)		/* 1: antenna B is default */
863#define RTW_SR_RFPARM_CS_MASK	BITS(2,3)	/* carrier-sense type */
864#define RTW_SR_VERSION		0x3c	/* EEPROM content version, 16b */
865#define RTW_SR_CRC		0x3e	/* EEPROM content CRC, 16b */
866#define RTW_SR_VPD		0x40	/* Vital Product Data, 64 bytes */
867#define RTW_SR_CIS		0x80	/* CIS Data, 93c56 only, 128 bytes*/
868
869/*
870 * RTL8180 Transmit/Receive Descriptors
871 */
872
873/* the first descriptor in each ring must be on a 256-byte boundary */
874#define RTW_DESC_ALIGNMENT 256
875
876/* Tx descriptor */
877struct rtw_txdesc {
878	uint32_t	td_ctl0;
879	uint32_t	td_ctl1;
880	uint32_t	td_buf;
881	uint32_t	td_len;
882	uint32_t	td_next;
883	uint32_t	td_rsvd[3];
884};
885
886#define td_stat td_ctl0
887
888#define RTW_TXCTL0_OWN			BIT(31)		/* 1: ready to Tx */
889#define RTW_TXCTL0_RSVD0		BIT(30)		/* reserved */
890#define RTW_TXCTL0_FS			BIT(29)		/* first segment */
891#define RTW_TXCTL0_LS			BIT(28)		/* last segment */
892
893#define RTW_TXCTL0_RATE_MASK		BITS(27,24)	/* Tx rate */
894#define RTW_TXCTL0_RATE_1MBPS		LSHIFT(0, RTW_TXCTL0_RATE_MASK)
895#define RTW_TXCTL0_RATE_2MBPS		LSHIFT(1, RTW_TXCTL0_RATE_MASK)
896#define RTW_TXCTL0_RATE_5MBPS		LSHIFT(2, RTW_TXCTL0_RATE_MASK)
897#define RTW_TXCTL0_RATE_11MBPS		LSHIFT(3, RTW_TXCTL0_RATE_MASK)
898
899#define RTW_TXCTL0_RTSEN		BIT(23)		/* RTS Enable */
900
901#define RTW_TXCTL0_RTSRATE_MASK		BITS(22,19)	/* Tx rate */
902#define RTW_TXCTL0_RTSRATE_1MBPS	LSHIFT(0, RTW_TXCTL0_RTSRATE_MASK)
903#define RTW_TXCTL0_RTSRATE_2MBPS	LSHIFT(1, RTW_TXCTL0_RTSRATE_MASK)
904#define RTW_TXCTL0_RTSRATE_5MBPS	LSHIFT(2, RTW_TXCTL0_RTSRATE_MASK)
905#define RTW_TXCTL0_RTSRATE_11MBPS	LSHIFT(3, RTW_TXCTL0_RTSRATE_MASK)
906
907#define RTW_TXCTL0_BEACON		BIT(18)	/* packet is a beacon */
908#define RTW_TXCTL0_MOREFRAG		BIT(17)	/* another fragment follows */
909#define RTW_TXCTL0_SPLCP		BIT(16)	/* add short PLCP preamble
910						 * and header
911						 */
912#define RTW_TXCTL0_KEYID_MASK		BITS(15,14)	/* default key id */
913#define RTW_TXCTL0_RSVD1_MASK		BITS(13,12)	/* reserved */
914#define RTW_TXCTL0_TPKTSIZE_MASK	BITS(11,0)	/* Tx packet size
915							 * in bytes
916							 */
917
918#define RTW_TXSTAT_OWN		RTW_TXCTL0_OWN
919#define RTW_TXSTAT_RSVD0	RTW_TXCTL0_RSVD0
920#define RTW_TXSTAT_FS		RTW_TXCTL0_FS
921#define RTW_TXSTAT_LS		RTW_TXCTL0_LS
922#define RTW_TXSTAT_RSVD1_MASK	BITS(27,16)
923#define RTW_TXSTAT_TOK		BIT(15)
924#define RTW_TXSTAT_RTSRETRY_MASK	BITS(14,8)	/* RTS retry count */
925#define RTW_TXSTAT_DRC_MASK		BITS(7,0)	/* Data retry count */
926
927#define RTW_TXCTL1_LENGEXT	BIT(31)		/* supplements _LENGTH
928						 * in packets sent 5.5Mb/s or
929						 * faster
930						 */
931#define RTW_TXCTL1_LENGTH_MASK	BITS(30,16)	/* PLCP length (microseconds) */
932#define RTW_TXCTL1_RTSDUR_MASK	BITS(15,0)	/* RTS Duration
933						 * (microseconds)
934						 */
935
936#define RTW_TXLEN_LENGTH_MASK	BITS(11,0)	/* Tx buffer length in bytes */
937
938/* Rx descriptor */
939struct rtw_rxdesc {
940    uint32_t	rd_ctl;
941    uint32_t	rd_rsvd0;
942    uint32_t	rd_buf;
943    uint32_t	rd_rsvd1;
944};
945
946#define rd_stat rd_ctl
947#define rd_rssi rd_rsvd0
948#define rd_tsftl rd_buf		/* valid only when RTW_RXSTAT_LS is set */
949#define rd_tsfth rd_rsvd1	/* valid only when RTW_RXSTAT_LS is set */
950
951#define RTW_RXCTL_OWN		BIT(31)		/* 1: owned by NIC */
952#define RTW_RXCTL_EOR		BIT(30)		/* end of ring */
953#define RTW_RXCTL_FS		BIT(29)		/* first segment */
954#define RTW_RXCTL_LS		BIT(28)		/* last segment */
955#define RTW_RXCTL_RSVD0_MASK	BITS(29,12)	/* reserved */
956#define RTW_RXCTL_LENGTH_MASK	BITS(11,0)	/* Rx buffer length */
957
958#define RTW_RXSTAT_OWN		RTW_RXCTL_OWN
959#define RTW_RXSTAT_EOR		RTW_RXCTL_EOR
960#define RTW_RXSTAT_FS		RTW_RXCTL_FS	/* first segment */
961#define RTW_RXSTAT_LS		RTW_RXCTL_LS	/* last segment */
962#define RTW_RXSTAT_DMAFAIL	BIT(27)		/* DMA failure on this pkt */
963#define RTW_RXSTAT_BOVF		BIT(26)		/* buffer overflow XXX means
964						 * FIFO exhausted?
965						 */
966#define RTW_RXSTAT_SPLCP	BIT(25)		/* Rx'd with short preamble
967						 * and PLCP header
968						 */
969#define RTW_RXSTAT_RSVD1	BIT(24)		/* reserved */
970#define RTW_RXSTAT_RATE_MASK	BITS(23,20)	/* Rx rate */
971#define RTW_RXSTAT_RATE_1MBPS	LSHIFT(0, RTW_RXSTAT_RATE_MASK)
972#define RTW_RXSTAT_RATE_2MBPS	LSHIFT(1, RTW_RXSTAT_RATE_MASK)
973#define RTW_RXSTAT_RATE_5MBPS	LSHIFT(2, RTW_RXSTAT_RATE_MASK)
974#define RTW_RXSTAT_RATE_11MBPS	LSHIFT(3, RTW_RXSTAT_RATE_MASK)
975#define RTW_RXSTAT_MIC		BIT(19)		/* XXX from reference driver */
976#define RTW_RXSTAT_MAR		BIT(18)		/* is multicast */
977#define RTW_RXSTAT_PAR		BIT(17)		/* matches RTL8180's MAC */
978#define RTW_RXSTAT_BAR		BIT(16)		/* is broadcast */
979#define RTW_RXSTAT_RES		BIT(15)		/* error summary. valid when
980						 * RTW_RXSTAT_LS set. indicates
981						 * that either RTW_RXSTAT_CRC32
982						 * or RTW_RXSTAT_ICV is set.
983						 */
984#define RTW_RXSTAT_PWRMGT	BIT(14)		/* 802.11 PWRMGMT bit is set */
985#define RTW_RXSTAT_CRC16	BIT(14)		/* XXX CRC16 error, from
986						 * reference driver
987						 */
988#define RTW_RXSTAT_CRC32	BIT(13)		/* CRC32 error */
989#define RTW_RXSTAT_ICV		BIT(12)		/* ICV error */
990#define RTW_RXSTAT_LENGTH_MASK	BITS(11,0)	/* frame length, including
991						 * CRC32
992						 */
993
994/* Convenient status conjunction. */
995#define RTW_RXSTAT_ONESEG	(RTW_RXSTAT_FS|RTW_RXSTAT_LS)
996/* Convenient status disjunctions. */
997#define RTW_RXSTAT_IOERROR	(RTW_RXSTAT_DMAFAIL|RTW_RXSTAT_BOVF)
998#define RTW_RXSTAT_DEBUG	(RTW_RXSTAT_SPLCP|RTW_RXSTAT_MAR|\
999				 RTW_RXSTAT_PAR|RTW_RXSTAT_BAR|\
1000				 RTW_RXSTAT_PWRMGT|RTW_RXSTAT_CRC32|\
1001				 RTW_RXSTAT_ICV)
1002
1003
1004#define RTW_RXRSSI_VLAN		BITS(32,16)	/* XXX from reference driver */
1005/* for Philips RF front-ends */
1006#define RTW_RXRSSI_RSSI		BITS(15,8)	/* RF energy at the PHY */
1007/* for RF front-ends by Intersil, Maxim, RFMD */
1008#define RTW_RXRSSI_IMR_RSSI	BITS(15,9)	/* RF energy at the PHY */
1009#define RTW_RXRSSI_IMR_LNA	BIT(8)		/* 1: LNA activated */
1010#define RTW_RXRSSI_SQ		BITS(7,0)	/* Barker code-lock quality */
1011
1012#define RTW_READ8(regs, ofs)						\
1013	bus_space_read_1((regs)->r_bt, (regs)->r_bh, (ofs))
1014
1015#define RTW_READ16(regs, ofs)						\
1016	bus_space_read_2((regs)->r_bt, (regs)->r_bh, (ofs))
1017
1018#define RTW_READ(regs, ofs)						\
1019	bus_space_read_4((regs)->r_bt, (regs)->r_bh, (ofs))
1020
1021#define RTW_WRITE8(regs, ofs, val)					\
1022	bus_space_write_1((regs)->r_bt, (regs)->r_bh, (ofs), (val))
1023
1024#define RTW_WRITE16(regs, ofs, val)					\
1025	bus_space_write_2((regs)->r_bt, (regs)->r_bh, (ofs), (val))
1026
1027#define RTW_WRITE(regs, ofs, val)					\
1028	bus_space_write_4((regs)->r_bt, (regs)->r_bh, (ofs), (val))
1029
1030#define	RTW_ISSET(regs, reg, mask)					\
1031	(RTW_READ((regs), (reg)) & (mask))
1032
1033#define	RTW_CLR(regs, reg, mask)					\
1034	RTW_WRITE((regs), (reg), RTW_READ((regs), (reg)) & ~(mask))
1035
1036/* bus_space(9) lied? */
1037#ifndef BUS_SPACE_BARRIER_SYNC
1038#define BUS_SPACE_BARRIER_SYNC (BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE)
1039#endif
1040
1041#ifndef BUS_SPACE_BARRIER_READ_BEFORE_READ
1042#define BUS_SPACE_BARRIER_READ_BEFORE_READ BUS_SPACE_BARRIER_READ
1043#endif
1044
1045#ifndef BUS_SPACE_BARRIER_READ_BEFORE_WRITE
1046#define BUS_SPACE_BARRIER_READ_BEFORE_WRITE BUS_SPACE_BARRIER_READ
1047#endif
1048
1049#ifndef BUS_SPACE_BARRIER_WRITE_BEFORE_READ
1050#define BUS_SPACE_BARRIER_WRITE_BEFORE_READ BUS_SPACE_BARRIER_WRITE
1051#endif
1052
1053#ifndef BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE
1054#define BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE BUS_SPACE_BARRIER_WRITE
1055#endif
1056
1057/*
1058 * Bus barrier
1059 *
1060 * Complete outstanding read and/or write ops on [reg0, reg1]
1061 * ([reg1, reg0]) before starting new ops on the same region. See
1062 * acceptable bus_space_barrier(9) for the flag definitions.
1063 */
1064#define RTW_BARRIER(regs, reg0, reg1, flags)			\
1065	bus_space_barrier((regs)->r_bh, (regs)->r_bt,		\
1066	    MIN(reg0, reg1), MAX(reg0, reg1) - MIN(reg0, reg1) + 4, flags)
1067
1068/*
1069 * Barrier convenience macros.
1070 */
1071/* sync */
1072#define RTW_SYNC(regs, reg0, reg1)				\
1073	RTW_BARRIER(regs, reg0, reg1, BUS_SPACE_BARRIER_SYNC)
1074
1075/* write-before-write */
1076#define RTW_WBW(regs, reg0, reg1)				\
1077	RTW_BARRIER(regs, reg0, reg1, BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE)
1078
1079/* write-before-read */
1080#define RTW_WBR(regs, reg0, reg1)				\
1081	RTW_BARRIER(regs, reg0, reg1, BUS_SPACE_BARRIER_WRITE_BEFORE_READ)
1082
1083/* read-before-read */
1084#define RTW_RBR(regs, reg0, reg1)				\
1085	RTW_BARRIER(regs, reg0, reg1, BUS_SPACE_BARRIER_READ_BEFORE_READ)
1086
1087/* read-before-read */
1088#define RTW_RBW(regs, reg0, reg1)				\
1089	RTW_BARRIER(regs, reg0, reg1, BUS_SPACE_BARRIER_READ_BEFORE_WRITE)
1090
1091#define RTW_WBRW(regs, reg0, reg1)				\
1092		RTW_BARRIER(regs, reg0, reg1,			\
1093		    BUS_SPACE_BARRIER_WRITE_BEFORE_READ |	\
1094		    BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE)
1095
1096/*
1097 * Registers for RTL8180L's built-in baseband modem.
1098 */
1099#define RTW_BBP_SYS1		0x00
1100#define RTW_BBP_TXAGC		0x03	/* guess: transmit auto gain control */
1101#define RTW_BBP_LNADET		0x04	/* guess: low-noise amplifier activation
1102					 * threshold
1103					 */
1104#define RTW_BBP_IFAGCINI	0x05	/* guess: intermediate frequency (IF)
1105					 * auto-gain control (AGC) initial value
1106					 */
1107#define RTW_BBP_IFAGCLIMIT	0x06	/* guess: IF AGC maximum value */
1108#define RTW_BBP_IFAGCDET	0x07	/* guess: activation threshold for
1109					 * IF AGC loop
1110					 */
1111
1112#define RTW_BBP_ANTATTEN	0x10	/* guess: antenna & attenuation */
1113#define RTW_BBP_ANTATTEN_PHILIPS_MAGIC		0x91
1114#define RTW_BBP_ANTATTEN_INTERSIL_MAGIC		0x92
1115#define RTW_BBP_ANTATTEN_RFMD_MAGIC		0x93
1116#define RTW_BBP_ANTATTEN_MAXIM_MAGIC		0xb3
1117#define	RTW_BBP_ANTATTEN_DFLANTB		0x40
1118#define	RTW_BBP_ANTATTEN_CHAN14			0x0c
1119
1120#define RTW_BBP_TRL			0x11	/* guess: transmit/receive
1121						 * switch latency
1122						 */
1123#define RTW_BBP_SYS2			0x12
1124#define RTW_BBP_SYS2_ANTDIV		0x80	/* enable antenna diversity */
1125#define RTW_BBP_SYS2_RATE_MASK		BITS(5,4)	/* loopback rate?
1126							 * 0: 1Mbps
1127							 * 1: 2Mbps
1128							 * 2: 5.5Mbps
1129							 * 3: 11Mbps
1130							 */
1131#define RTW_BBP_SYS3			0x13
1132/* carrier-sense threshold */
1133#define RTW_BBP_SYS3_CSTHRESH_MASK	BITS(0,3)
1134#define RTW_BBP_CHESTLIM	0x19	/* guess: channel energy-detect
1135					 * threshold
1136					 */
1137#define RTW_BBP_CHSQLIM		0x1a	/* guess: channel signal-quality
1138					 * threshold
1139					 */
1140