rtwreg.h revision 1.9
1/*	$NetBSD: rtwreg.h,v 1.9 2005/01/02 04:29:36 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#define RTW_TINT	0x48	/* Timer Interrupt Register, 32b */
308#define	RTW_TBDA	0x4c	/* Transmit Beacon Descriptor Start Address,
309				 * 32b, 256-byte alignment
310				 */
311#define RTW_9346CR	0x50	/* 93c46/93c56 Command Register, 8b */
312#define RTW_9346CR_EEM_MASK	BITS(7,6)	/* Operating Mode */
313#define RTW_9346CR_EEM_NORMAL	LSHIFT(0, RTW_9346CR_EEM_MASK)
314/* Load the EEPROM. Reset registers to defaults.
315 * Takes ~2ms. RTL8180 indicates completion with RTW_9346CR_EEM_NORMAL.
316 * XXX RTL8180 only?
317 */
318#define RTW_9346CR_EEM_AUTOLOAD	LSHIFT(1, RTW_9346CR_EEM_MASK)
319/* Disable network & bus-master operations and enable
320 * _EECS, _EESK, _EEDI, _EEDO.
321 * XXX RTL8180 only?
322 */
323#define RTW_9346CR_EEM_PROGRAM	LSHIFT(2, RTW_9346CR_EEM_MASK)
324/* Enable RTW_CONFIG[0123] registers. */
325#define RTW_9346CR_EEM_CONFIG	LSHIFT(3, RTW_9346CR_EEM_MASK)
326/* EEPROM pin status/control in _EEM_CONFIG, _EEM_AUTOLOAD modes.
327 * XXX RTL8180 only?
328 */
329#define RTW_9346CR_EECS	BIT(3)
330#define RTW_9346CR_EESK	BIT(2)
331#define RTW_9346CR_EEDI	BIT(1)
332#define RTW_9346CR_EEDO	BIT(0)	/* read-only */
333
334#define RTW_CONFIG0	0x51	/* Configuration Register 0, 8b */
335#define RTW_CONFIG0_WEP40	BIT(7)	/* implements 40-bit WEP,
336					 * XXX RTL8180 only?
337					 */
338#define RTW_CONFIG0_WEP104	BIT(6)	/* implements 104-bit WEP,
339					 * from EEPROM, read-only
340					 * XXX RTL8180 only?
341					 */
342#define RTW_CONFIG0_LEDGPOEN	BIT(4)	/* 1: RTW_PSR_LEDGPO[01] control
343					 *    LED[01] pins.
344					 * 0: LED behavior defined by
345					 *    RTW_CONFIG1_LEDS10_MASK
346					 * XXX RTL8180 only?
347					 */
348/* auxiliary power is present, read-only */
349#define RTW_CONFIG0_AUXPWR	BIT(3)
350/* Geographic Location, read-only */
351#define RTW_CONFIG0_GL_MASK		BITS(1,0)
352/* _RTW_CONFIG0_GL_* is what the datasheet says, but RTW_CONFIG0_GL_*
353 * work.
354 */
355#define _RTW_CONFIG0_GL_USA		LSHIFT(3, RTW_CONFIG0_GL_MASK)
356#define RTW_CONFIG0_GL_EUROPE		LSHIFT(2, RTW_CONFIG0_GL_MASK)
357#define RTW_CONFIG0_GL_JAPAN		LSHIFT(1, RTW_CONFIG0_GL_MASK)
358#define RTW_CONFIG0_GL_USA		LSHIFT(0, RTW_CONFIG0_GL_MASK)
359/* RTL8181 datasheet says RTW_CONFIG0_GL_JAPAN = 0. */
360
361#define RTW_CONFIG1	0x52	/* Configuration Register 1, 8b */
362
363/* LED configuration. From EEPROM. Read/write.
364 *
365 * Setting				LED0		LED1
366 * -------				----		----
367 * RTW_CONFIG1_LEDS_ACT_INFRA		Activity	Infrastructure
368 * RTW_CONFIG1_LEDS_ACT_LINK		Activity	Link
369 * RTW_CONFIG1_LEDS_TX_RX		Tx		Rx
370 * RTW_CONFIG1_LEDS_LINKACT_INFRA	Link/Activity	Infrastructure
371 */
372#define RTW_CONFIG1_LEDS_MASK	BITS(7,6)
373#define RTW_CONFIG1_LEDS_ACT_INFRA	LSHIFT(0, RTW_CONFIG1_LEDS_MASK)
374#define RTW_CONFIG1_LEDS_ACT_LINK	LSHIFT(1, RTW_CONFIG1_LEDS_MASK)
375#define RTW_CONFIG1_LEDS_TX_RX		LSHIFT(2, RTW_CONFIG1_LEDS_MASK)
376#define RTW_CONFIG1_LEDS_LINKACT_INFRA	LSHIFT(3, RTW_CONFIG1_LEDS_MASK)
377
378/* LWAKE Output Signal. Only applicable to Cardbus. Pulse width is 150ms.
379 *
380 *                                   RTW_CONFIG1_LWACT
381 *				0			1
382 * RTW_CONFIG4_LWPTN	0	active high		active low
383 *			1	positive pulse		negative pulse
384 */
385#define RTW_CONFIG1_LWACT	BIT(4)
386
387#define RTW_CONFIG1_MEMMAP	BIT(3)	/* using PCI memory space, read-only */
388#define RTW_CONFIG1_IOMAP	BIT(2)	/* using PCI I/O space, read-only */
389#define RTW_CONFIG1_VPD		BIT(1)	/* if set, VPD from offsets
390					 * 0x40-0x7f in EEPROM are at
391					 * registers 0x60-0x67 of PCI
392					 * Configuration Space (XXX huh?)
393					 */
394#define RTW_CONFIG1_PMEN	BIT(0)	/* Power Management Enable: TBD */
395
396#define RTW_CONFIG2	0x53	/* Configuration Register 2, 8b */
397#define RTW_CONFIG2_LCK	BIT(7)	/* clocks are locked, read-only:
398				 * Tx frequency & symbol clocks
399				 * are derived from the same OSC
400				 */
401#define RTW_CONFIG2_ANT	BIT(6)	/* diversity enabled, read-only */
402#define RTW_CONFIG2_DPS	BIT(3)	/* Descriptor Polling State: enable
403				 * test mode.
404				 */
405#define RTW_CONFIG2_PAPESIGN		BIT(2)		/* TBD, from EEPROM */
406#define RTW_CONFIG2_PAPETIME_MASK	BITS(1,0)	/* TBD, from EEPROM */
407
408#define	RTW_ANAPARM	0x54	/* Analog parameter, 32b */
409#define RTW_ANAPARM_RFPOW0_MASK	BITS(30,28)		/* undocumented bits
410							 * which appear to
411							 * control the power
412							 * state of the RF
413							 * components
414							 */
415#define	RTW_ANAPARM_RFPOW_MASK	\
416    (RTW_ANAPARM_RFPOW0_MASK|RTW_ANAPARM_RFPOW1_MASK)
417
418#define RTW_ANAPARM_TXDACOFF	BIT(27)			/* 1: disable Tx DAC,
419							 * 0: enable
420							 */
421#define RTW_ANAPARM_RFPOW1_MASK	BITS(26,20)		/* undocumented bits
422							 * which appear to
423							 * control the power
424							 * state of the RF
425							 * components
426							 */
427
428/*
429 * Maxim On/Sleep/Off control
430 */
431#define RTW_ANAPARM_RFPOW_MAXIM_ON	LSHIFT(0x8, RTW_ANAPARM_RFPOW1_MASK)
432
433/* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
434#define RTW_ANAPARM_RFPOW_MAXIM_SLEEP	LSHIFT(0x378, RTW_ANAPARM_RFPOW1_MASK)
435
436/* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
437#define RTW_ANAPARM_RFPOW_MAXIM_OFF	LSHIFT(0x379, RTW_ANAPARM_RFPOW1_MASK)
438
439/*
440 * RFMD On/Sleep/Off control
441 */
442#define RTW_ANAPARM_RFPOW_RFMD_ON	LSHIFT(0x408, RTW_ANAPARM_RFPOW1_MASK)
443
444/* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
445#define RTW_ANAPARM_RFPOW_RFMD_SLEEP	LSHIFT(0x378, RTW_ANAPARM_RFPOW1_MASK)
446
447/* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
448#define RTW_ANAPARM_RFPOW_RFMD_OFF	LSHIFT(0x379, RTW_ANAPARM_RFPOW1_MASK)
449
450/*
451 * Philips On/Sleep/Off control
452 */
453#define RTW_ANAPARM_RFPOW_ANA_PHILIPS_ON	\
454    LSHIFT(0x328, RTW_ANAPARM_RFPOW1_MASK)
455#define RTW_ANAPARM_RFPOW_DIG_PHILIPS_ON	\
456    LSHIFT(0x008, RTW_ANAPARM_RFPOW1_MASK)
457
458/* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
459#define RTW_ANAPARM_RFPOW_PHILIPS_SLEEP\
460    LSHIFT(0x378, RTW_ANAPARM_RFPOW1_MASK)
461
462/* reg[RTW_ANAPARM] |= RTW_ANAPARM_TXDACOFF; */
463#define RTW_ANAPARM_RFPOW_PHILIPS_OFF\
464    LSHIFT(0x379, RTW_ANAPARM_RFPOW1_MASK)
465
466#define RTW_ANAPARM_RFPOW_PHILIPS_ON	LSHIFT(0x328, RTW_ANAPARM_RFPOW1_MASK)
467
468#define RTW_ANAPARM_CARDSP_MASK	BITS(19,0)		/* undocumented
469							 * card-specific
470							 * bits from the
471							 * EEPROM.
472							 */
473
474#define RTW_MSR		0x58	/* Media Status Register, 8b */
475/* Network Type and Link Status */
476#define RTW_MSR_NETYPE_MASK	BITS(3,2)
477/* AP, XXX RTL8181 only? */
478#define RTW_MSR_NETYPE_AP_OK	LSHIFT(3, RTW_MSR_NETYPE_MASK)
479/* infrastructure link ok */
480#define RTW_MSR_NETYPE_INFRA_OK	LSHIFT(2, RTW_MSR_NETYPE_MASK)
481/* ad-hoc link ok */
482#define RTW_MSR_NETYPE_ADHOC_OK	LSHIFT(1, RTW_MSR_NETYPE_MASK)
483/* no link */
484#define RTW_MSR_NETYPE_NOLINK	LSHIFT(0, RTW_MSR_NETYPE_MASK)
485
486#define RTW_CONFIG3	0x59	/* Configuration Register 3, 8b */
487#define RTW_CONFIG3_GNTSEL	BIT(7)	/* Grant Select, read-only */
488#define RTW_CONFIG3_PARMEN	BIT(6)	/* Set RTW_CONFIG3_PARMEN and
489					 * RTW_9346CR_EEM_CONFIG to
490					 * allow RTW_ANAPARM writes.
491					 */
492#define RTW_CONFIG3_MAGIC	BIT(5)	/* Valid when RTW_CONFIG1_PMEN is
493					 * set. If set, RTL8180 wakes up
494					 * OS when Magic Packet is Rx'd.
495					 */
496#define RTW_CONFIG3_CARDBEN	BIT(3)	/* Cardbus-related registers
497					 * and functions are enabled,
498					 * read-only. XXX RTL8180 only.
499					 */
500#define RTW_CONFIG3_CLKRUNEN	BIT(2)	/* CLKRUN enabled, read-only.
501					 * XXX RTL8180 only.
502					 */
503#define RTW_CONFIG3_FUNCREGEN	BIT(1)	/* Function Registers Enabled,
504					 * read-only. XXX RTL8180 only.
505					 */
506#define RTW_CONFIG3_FBTBEN	BIT(0)	/* Fast back-to-back enabled,
507					 * read-only.
508					 */
509#define RTW_CONFIG4	0x5A	/* Configuration Register 4, 8b */
510#define RTW_CONFIG4_VCOPDN	BIT(7)	/* VCO Power Down
511					 * 0: normal operation
512					 *    (power-on default)
513					 * 1: power-down VCO, RF front-end,
514					 *    and most RTL8180 components.
515					 */
516#define RTW_CONFIG4_PWROFF	BIT(6)	/* Power Off
517					 * 0: normal operation
518					 *    (power-on default)
519					 * 1: power-down RF front-end,
520					 *    and most RTL8180 components,
521					 *    but leave VCO on.
522					 *
523					 * XXX RFMD front-end only?
524					 */
525#define RTW_CONFIG4_PWRMGT	BIT(5)	/* Power Management
526					 * 0: normal operation
527					 *    (power-on default)
528					 * 1: set Tx packet's PWRMGMT bit.
529					 */
530#define RTW_CONFIG4_LWPME	BIT(4)	/* LANWAKE vs. PMEB: Cardbus-only
531					 * 0: LWAKE & PMEB asserted
532					 *    simultaneously
533					 * 1: LWAKE asserted only if
534					 *    both PMEB is asserted and
535					 *    ISOLATEB is low.
536					 * XXX RTL8180 only.
537					 */
538#define RTW_CONFIG4_LWPTN	BIT(2)	/* see RTW_CONFIG1_LWACT
539					 * XXX RTL8180 only.
540					 */
541/* Radio Front-End Programming Method */
542#define RTW_CONFIG4_RFTYPE_MASK	BITS(1,0)
543#define RTW_CONFIG4_RFTYPE_INTERSIL	LSHIFT(1, RTW_CONFIG4_RFTYPE_MASK)
544#define RTW_CONFIG4_RFTYPE_RFMD		LSHIFT(2, RTW_CONFIG4_RFTYPE_MASK)
545#define RTW_CONFIG4_RFTYPE_PHILIPS	LSHIFT(3, RTW_CONFIG4_RFTYPE_MASK)
546
547#define RTW_TESTR	0x5B	/* TEST mode register, 8b */
548
549#define RTW_PSR		0x5e	/* Page Select Register, 8b */
550#define RTW_PSR_GPO	BIT(7)	/* Control/status of pin 52. */
551#define RTW_PSR_GPI	BIT(6)	/* Status of pin 64. */
552#define RTW_PSR_LEDGPO1	BIT(5)	/* Status/control of LED1 pin if
553				 * RTW_CONFIG0_LEDGPOEN is set.
554				 */
555#define RTW_PSR_LEDGPO0	BIT(4)	/* Status/control of LED0 pin if
556				 * RTW_CONFIG0_LEDGPOEN is set.
557				 */
558#define RTW_PSR_UWF	BIT(1)	/* Enable Unicast Wakeup Frame */
559#define RTW_PSR_PSEN	BIT(0)	/* 1: page 1, 0: page 0 */
560
561#define RTW_SCR		0x5f	/* Security Configuration Register, 8b */
562#define RTW_SCR_KM_MASK	BITS(5,4)	/* Key Mode */
563#define RTW_SCR_KM_WEP104	LSHIFT(1, RTW_SCR_KM_MASK)
564#define RTW_SCR_KM_WEP40	LSHIFT(0, RTW_SCR_KM_MASK)
565#define RTW_SCR_TXSECON		BIT(1)	/* Enable Tx WEP. Invalid if
566					 * neither RTW_CONFIG0_WEP40 nor
567					 * RTW_CONFIG0_WEP104 is set.
568					 */
569#define RTW_SCR_RXSECON		BIT(0)	/* Enable Rx WEP. Invalid if
570					 * neither RTW_CONFIG0_WEP40 nor
571					 * RTW_CONFIG0_WEP104 is set.
572					 */
573
574#define	RTW_BCNITV	0x70	/* Beacon Interval Register, 16b */
575#define	RTW_BCNITV_BCNITV_MASK	BITS(9,0)	/* TU between TBTT, written
576						 * by host.
577						 */
578#define	RTW_ATIMWND	0x72	/* ATIM Window Register, 16b */
579#define	RTW_ATIMWND_ATIMWND	BITS(9,0)	/* ATIM Window length in TU,
580						 * written by host.
581						 */
582
583#define RTW_BINTRITV	0x74	/* Beacon Interrupt Interval Register, 16b */
584#define	RTW_BINTRITV_BINTRITV	BITS(9,0)	/* RTL8180 wakes host with
585						 * RTW_INTR_BCNINT at BINTRITV
586						 * microseconds before TBTT
587						 */
588#define RTW_ATIMTRITV	0x76	/* ATIM Interrupt Interval Register, 16b */
589#define	RTW_ATIMTRITV_ATIMTRITV	BITS(9,0)	/* RTL8180 wakes host with
590						 * RTW_INTR_ATIMINT at ATIMTRITV
591						 * microseconds before end of
592						 * ATIM Window
593						 */
594
595#define RTW_PHYDELAY	0x78	/* PHY Delay Register, 8b */
596#define RTW_PHYDELAY_REVC_MAGIC	BIT(3)		/* Rev. C magic from reference
597						 * driver
598						 */
599#define RTW_PHYDELAY_PHYDELAY	BITS(2,0)	/* microsecond Tx delay between
600						 * MAC and RF front-end
601						 */
602#define RTW_CRCOUNT	0x79	/* Carrier Sense Counter, 8b */
603#define	RTW_CRCOUNT_MAGIC	0x4c
604
605#define RTW_CRC16ERR	0x7a	/* CRC16 error count, 16b, XXX RTL8181 only? */
606
607#define RTW_BB	0x7c		/* Baseband interface, 32b */
608/* used for writing RTL8180's integrated baseband processor */
609#define RTW_BB_RD_MASK		BITS(23,16)	/* data to read */
610#define RTW_BB_WR_MASK		BITS(15,8)	/* data to write */
611#define RTW_BB_WREN		BIT(7)		/* write enable */
612#define RTW_BB_ADDR_MASK	BITS(6,0)	/* address */
613
614#define RTW_PHYADDR	0x7c	/* Address register for PHY interface, 8b */
615#define RTW_PHYDATAW	0x7d	/* Write data to PHY, 8b, write-only */
616#define RTW_PHYDATAR	0x7e	/* Read data from PHY, 8b (?), read-only */
617
618#define RTW_PHYCFG	0x80	/* PHY Configuration Register, 32b */
619#define RTW_PHYCFG_MAC_POLL	BIT(31)		/* if !RTW_PHYCFG_HST,
620						 * host sets. MAC clears
621						 * after banging bits.
622						 */
623#define	RTW_PHYCFG_HST		BIT(30)		/* 1: host bangs bits
624						 * 0: MAC bangs bits
625						 */
626#define RTW_PHYCFG_MAC_RFTYPE_MASK	BITS(29,28)
627#define RTW_PHYCFG_MAC_RFTYPE_INTERSIL	LSHIFT(0, RTW_PHYCFG_MAC_RFTYPE_MASK)
628#define RTW_PHYCFG_MAC_RFTYPE_RFMD	LSHIFT(1, RTW_PHYCFG_MAC_RFTYPE_MASK)
629#define RTW_PHYCFG_MAC_RFTYPE_GCT	RTW_PHYCFG_MAC_RFTYPE_RFMD
630#define RTW_PHYCFG_MAC_RFTYPE_PHILIPS	LSHIFT(3, RTW_PHYCFG_MAC_RFTYPE_MASK)
631#define RTW_PHYCFG_MAC_PHILIPS_ADDR_MASK	BITS(27,24)
632#define RTW_PHYCFG_MAC_PHILIPS_DATA_MASK	BITS(23,0)
633#define RTW_PHYCFG_MAC_MAXIM_LODATA_MASK	BITS(27,24)
634#define RTW_PHYCFG_MAC_MAXIM_ADDR_MASK		BITS(11,8)
635#define RTW_PHYCFG_MAC_MAXIM_HIDATA_MASK	BITS(7,0)
636#define	RTW_PHYCFG_HST_EN		BIT(2)
637#define	RTW_PHYCFG_HST_CLK		BIT(1)
638#define	RTW_PHYCFG_HST_DATA		BIT(0)
639
640#define	RTW_MAXIM_HIDATA_MASK			BITS(11,4)
641#define	RTW_MAXIM_LODATA_MASK			BITS(3,0)
642
643/**
644 ** 0x84 - 0xD3, page 1, selected when RTW_PSR[PSEN] == 1.
645 **/
646
647#define	RTW_WAKEUP0L	0x84	/* Power Management Wakeup Frame */
648#define	RTW_WAKEUP0H	0x88	/* 32b */
649
650#define	RTW_WAKEUP1L	0x8c
651#define	RTW_WAKEUP1H	0x90
652
653#define	RTW_WAKEUP2LL	0x94
654#define	RTW_WAKEUP2LH	0x98
655
656#define	RTW_WAKEUP2HL	0x9c
657#define	RTW_WAKEUP2HH	0xa0
658
659#define	RTW_WAKEUP3LL	0xa4
660#define	RTW_WAKEUP3LH	0xa8
661
662#define	RTW_WAKEUP3HL	0xac
663#define	RTW_WAKEUP3HH	0xb0
664
665#define	RTW_WAKEUP4LL	0xb4
666#define	RTW_WAKEUP4LH	0xb8
667
668#define	RTW_WAKEUP4HL	0xbc
669#define	RTW_WAKEUP4HH	0xc0
670
671#define RTW_CRC0	0xc4	/* CRC of wakeup frame 0, 16b */
672#define RTW_CRC1	0xc6	/* CRC of wakeup frame 1, 16b */
673#define RTW_CRC2	0xc8	/* CRC of wakeup frame 2, 16b */
674#define RTW_CRC3	0xca	/* CRC of wakeup frame 3, 16b */
675#define RTW_CRC4	0xcc	/* CRC of wakeup frame 4, 16b */
676
677/**
678 ** 0x84 - 0xD3, page 0, selected when RTW_PSR[PSEN] == 0.
679 **/
680
681/* Default Key Registers, each 128b
682 *
683 * If RTW_SCR_KM_WEP104, 104 lsb are the key.
684 * If RTW_SCR_KM_WEP40, 40 lsb are the key.
685 */
686#define RTW_DK0		0x90	/* Default Key 0 Register, 128b */
687#define RTW_DK1		0xa0	/* Default Key 1 Register, 128b */
688#define RTW_DK2		0xb0	/* Default Key 2 Register, 128b */
689#define RTW_DK3		0xc0	/* Default Key 3 Register, 128b */
690
691#define	RTW_CONFIG5	0xd8	/* Configuration Register 5, 8b */
692#define RTW_CONFIG5_TXFIFOOK	BIT(7)	/* Tx FIFO self-test pass, read-only */
693#define RTW_CONFIG5_RXFIFOOK	BIT(6)	/* Rx FIFO self-test pass, read-only */
694#define RTW_CONFIG5_CALON	BIT(5)	/* 1: start calibration cycle
695					 *    and raise AGCRESET pin.
696					 * 0: lower AGCRESET pin
697					 */
698#define RTW_CONFIG5_EACPI	BIT(2)	/* Enable ACPI Wake up, default 0 */
699#define RTW_CONFIG5_LANWAKE	BIT(1)	/* Enable LAN Wake signal,
700					 * from EEPROM
701					 */
702#define RTW_CONFIG5_PMESTS	BIT(0)	/* 1: both software & PCI Reset
703					 *    reset PME_Status
704					 * 0: only software resets PME_Status
705					 *
706					 * From EEPROM.
707					 */
708
709#define	RTW_TPPOLL	0xd9	/* Transmit Priority Polling Register, 8b,
710				 * write-only.
711				 */
712#define RTW_TPPOLL_BQ	BIT(7)	/* RTL8180 clears to notify host of a beacon
713				 * Tx. Host writes have no effect.
714				 */
715#define RTW_TPPOLL_HPQ	BIT(6)	/* Host writes 1 to notify RTL8180 of
716				 * high-priority Tx packets, RTL8180 clears
717				 * to after high-priority Tx is complete.
718				 */
719#define RTW_TPPOLL_NPQ	BIT(5)	/* If RTW_CONFIG2_DPS is set,
720				 * host writes 1 to notify RTL8180 of
721				 * normal-priority Tx packets, RTL8180 clears
722				 * after normal-priority Tx is complete.
723				 *
724				 * If RTW_CONFIG2_DPS is clear, host writes
725				 * have no effect. RTL8180 clears after
726				 * normal-priority Tx is complete.
727				 */
728#define RTW_TPPOLL_LPQ	BIT(4)	/* Host writes 1 to notify RTL8180 of
729				 * low-priority Tx packets, RTL8180 clears
730				 * after low-priority Tx is complete.
731				 */
732#define RTW_TPPOLL_SBQ	BIT(3)	/* Host writes 1 to tell RTL8180 to
733				 * stop beacon DMA. This bit is invalid
734				 * when RTW_CONFIG2_DPS is set.
735				 */
736#define RTW_TPPOLL_SHPQ	BIT(2)	/* Host writes 1 to tell RTL8180 to
737				 * stop high-priority DMA.
738				 */
739#define RTW_TPPOLL_SNPQ	BIT(2)	/* Host writes 1 to tell RTL8180 to
740				 * stop normal-priority DMA. This bit is invalid
741				 * when RTW_CONFIG2_DPS is set.
742				 */
743#define RTW_TPPOLL_SLPQ	BIT(2)	/* Host writes 1 to tell RTL8180 to
744				 * stop low-priority DMA.
745				 */
746#define RTW_TPPOLL_FSWINT	BIT(0)	/* Force software interrupt. From
747				 	 * reference driver.
748					 */
749
750
751#define	RTW_CWR		0xdc	/* Contention Window Register, 16b, read-only */
752/* Contention Window: indicates number of contention windows before Tx
753 */
754#define	RTW_CWR_CW	BITS(9,0)
755
756/* Retry Count Register, 16b, read-only */
757#define	RTW_RETRYCTR	0xde
758/* Retry Count: indicates number of retries after Tx */
759#define	RTW_RETRYCTR_RETRYCT	BITS(7,0)
760
761#define RTW_RDSAR	0xe4	/* Receive descriptor Start Address Register,
762				 * 32b, 256-byte alignment.
763				 */
764/* Function Event Register, 32b, Cardbus only. Only valid when
765 * both RTW_CONFIG3_CARDBEN and RTW_CONFIG3_FUNCREGEN are set.
766 */
767#define RTW_FER		0xf0
768#define RTW_FER_INTR	BIT(15)	/* set when RTW_FFER_INTR is set */
769#define RTW_FER_GWAKE	BIT(4)	/* General Wakeup */
770/* Function Event Mask Register, 32b, Cardbus only. Only valid when
771 * both RTW_CONFIG3_CARDBEN and RTW_CONFIG3_FUNCREGEN are set.
772 */
773#define RTW_FEMR	0xf4
774#define RTW_FEMR_INTR	BIT(15)	/* set when RTW_FFER_INTR is set */
775#define RTW_FEMR_WKUP	BIT(14)	/* Wakeup Mask */
776#define RTW_FEMR_GWAKE	BIT(4)	/* General Wakeup */
777/* Function Present State Register, 32b, read-only, Cardbus only.
778 * Only valid when both RTW_CONFIG3_CARDBEN and RTW_CONFIG3_FUNCREGEN
779 * are set.
780 */
781#define RTW_FPSR	0xf8
782#define RTW_FPSR_INTR	BIT(15)	/* TBD */
783#define RTW_FPSR_GWAKE	BIT(4)	/* General Wakeup: TBD */
784/* Function Force Event Register, 32b, write-only, Cardbus only.
785 * Only valid when both RTW_CONFIG3_CARDBEN and RTW_CONFIG3_FUNCREGEN
786 * are set.
787 */
788#define RTW_FFER	0xfc
789#define RTW_FFER_INTR	BIT(15)	/* TBD */
790#define RTW_FFER_GWAKE	BIT(4)	/* General Wakeup: TBD */
791
792/* Serial EEPROM offsets */
793#define RTW_SR_ID	0x00	/* 16b */
794#define RTW_SR_VID	0x02	/* 16b */
795#define RTW_SR_DID	0x04	/* 16b */
796#define RTW_SR_SVID	0x06	/* 16b */
797#define RTW_SR_SMID	0x08	/* 16b */
798#define RTW_SR_MNGNT	0x0a
799#define RTW_SR_MXLAT	0x0b
800#define RTW_SR_RFCHIPID	0x0c
801#define RTW_SR_CONFIG3	0x0d
802#define RTW_SR_MAC	0x0e	/* 6 bytes */
803#define RTW_SR_CONFIG0	0x14
804#define RTW_SR_CONFIG1	0x15
805#define RTW_SR_PMC	0x16	/* Power Management Capabilities, 16b */
806#define RTW_SR_CONFIG2	0x18
807#define RTW_SR_CONFIG4	0x19
808#define RTW_SR_ANAPARM	0x1a	/* Analog Parameters, 32b */
809#define RTW_SR_TESTR	0x1e
810#define RTW_SR_CONFIG5	0x1f
811#define RTW_SR_TXPOWER1		0x20
812#define RTW_SR_TXPOWER2		0x21
813#define RTW_SR_TXPOWER3		0x22
814#define RTW_SR_TXPOWER4		0x23
815#define RTW_SR_TXPOWER5		0x24
816#define RTW_SR_TXPOWER6		0x25
817#define RTW_SR_TXPOWER7		0x26
818#define RTW_SR_TXPOWER8		0x27
819#define RTW_SR_TXPOWER9		0x28
820#define RTW_SR_TXPOWER10	0x29
821#define RTW_SR_TXPOWER11	0x2a
822#define RTW_SR_TXPOWER12	0x2b
823#define RTW_SR_TXPOWER13	0x2c
824#define RTW_SR_TXPOWER14	0x2d
825#define RTW_SR_CHANNELPLAN	0x2e	/* bitmap of channels to scan */
826#define RTW_SR_ENERGYDETTHR	0x2f	/* energy-detect threshold */
827#define RTW_SR_ENERGYDETTHR_DEFAULT	0x0c	/* use this if old SROM */
828#define RTW_SR_CISPOINTER	0x30	/* 16b */
829#define RTW_SR_RFPARM		0x32	/* RF-specific parameter */
830#define RTW_SR_RFPARM_DIGPHY	BIT(0)		/* 1: digital PHY */
831#define RTW_SR_RFPARM_DFLANTB	BIT(1)		/* 1: antenna B is default */
832#define RTW_SR_RFPARM_CS_MASK	BITS(2,3)	/* carrier-sense type */
833#define RTW_SR_VERSION		0x3c	/* EEPROM content version, 16b */
834#define RTW_SR_CRC		0x3e	/* EEPROM content CRC, 16b */
835#define RTW_SR_VPD		0x40	/* Vital Product Data, 64 bytes */
836#define RTW_SR_CIS		0x80	/* CIS Data, 93c56 only, 128 bytes*/
837
838/*
839 * RTL8180 Transmit/Receive Descriptors
840 */
841
842/* the first descriptor in each ring must be on a 256-byte boundary */
843#define RTW_DESC_ALIGNMENT 256
844
845/* Tx descriptor */
846struct rtw_txdesc {
847	uint32_t	td_ctl0;
848	uint32_t	td_ctl1;
849	uint32_t	td_buf;
850	uint32_t	td_len;
851	uint32_t	td_next;
852	uint32_t	td_rsvd[3];
853};
854
855#define td_stat td_ctl0
856
857#define RTW_TXCTL0_OWN			BIT(31)		/* 1: ready to Tx */
858#define RTW_TXCTL0_RSVD0		BIT(30)		/* reserved */
859#define RTW_TXCTL0_FS			BIT(29)		/* first segment */
860#define RTW_TXCTL0_LS			BIT(28)		/* last segment */
861
862#define RTW_TXCTL0_RATE_MASK		BITS(27,24)	/* Tx rate */
863#define RTW_TXCTL0_RATE_1MBPS		LSHIFT(0, RTW_TXCTL0_RATE_MASK)
864#define RTW_TXCTL0_RATE_2MBPS		LSHIFT(1, RTW_TXCTL0_RATE_MASK)
865#define RTW_TXCTL0_RATE_5MBPS		LSHIFT(2, RTW_TXCTL0_RATE_MASK)
866#define RTW_TXCTL0_RATE_11MBPS		LSHIFT(3, RTW_TXCTL0_RATE_MASK)
867
868#define RTW_TXCTL0_RTSEN		BIT(23)		/* RTS Enable */
869
870#define RTW_TXCTL0_RTSRATE_MASK		BITS(22,19)	/* Tx rate */
871#define RTW_TXCTL0_RTSRATE_1MBPS	LSHIFT(0, RTW_TXCTL0_RTSRATE_MASK)
872#define RTW_TXCTL0_RTSRATE_2MBPS	LSHIFT(1, RTW_TXCTL0_RTSRATE_MASK)
873#define RTW_TXCTL0_RTSRATE_5MBPS	LSHIFT(2, RTW_TXCTL0_RTSRATE_MASK)
874#define RTW_TXCTL0_RTSRATE_11MBPS	LSHIFT(3, RTW_TXCTL0_RTSRATE_MASK)
875
876#define RTW_TXCTL0_BEACON		BIT(18)	/* packet is a beacon */
877#define RTW_TXCTL0_MOREFRAG		BIT(17)	/* another fragment follows */
878#define RTW_TXCTL0_SPLCP		BIT(16)	/* add short PLCP preamble
879						 * and header
880						 */
881#define RTW_TXCTL0_KEYID_MASK		BITS(15,14)	/* default key id */
882#define RTW_TXCTL0_RSVD1_MASK		BITS(13,12)	/* reserved */
883#define RTW_TXCTL0_TPKTSIZE_MASK	BITS(11,0)	/* Tx packet size
884							 * in bytes
885							 */
886
887#define RTW_TXSTAT_OWN		RTW_TXCTL0_OWN
888#define RTW_TXSTAT_RSVD0	RTW_TXCTL0_RSVD0
889#define RTW_TXSTAT_FS		RTW_TXCTL0_FS
890#define RTW_TXSTAT_LS		RTW_TXCTL0_LS
891#define RTW_TXSTAT_RSVD1_MASK	BITS(27,16)
892#define RTW_TXSTAT_TOK		BIT(15)
893#define RTW_TXSTAT_RTSRETRY_MASK	BITS(14,8)	/* RTS retry count */
894#define RTW_TXSTAT_DRC_MASK		BITS(7,0)	/* Data retry count */
895
896#define RTW_TXCTL1_LENGEXT	BIT(31)		/* supplements _LENGTH
897						 * in packets sent 5.5Mb/s or
898						 * faster
899						 */
900#define RTW_TXCTL1_LENGTH_MASK	BITS(30,16)	/* PLCP length (microseconds) */
901#define RTW_TXCTL1_RTSDUR_MASK	BITS(15,0)	/* RTS Duration
902						 * (microseconds)
903						 */
904
905#define RTW_TXLEN_LENGTH_MASK	BITS(11,0)	/* Tx buffer length in bytes */
906
907/* Rx descriptor */
908struct rtw_rxdesc {
909    uint32_t	rd_ctl;
910    uint32_t	rd_rsvd0;
911    uint32_t	rd_buf;
912    uint32_t	rd_rsvd1;
913};
914
915#define rd_stat rd_ctl
916#define rd_rssi rd_rsvd0
917#define rd_tsftl rd_buf		/* valid only when RTW_RXSTAT_LS is set */
918#define rd_tsfth rd_rsvd1	/* valid only when RTW_RXSTAT_LS is set */
919
920#define RTW_RXCTL_OWN		BIT(31)		/* 1: owned by NIC */
921#define RTW_RXCTL_EOR		BIT(30)		/* end of ring */
922#define RTW_RXCTL_FS		BIT(29)		/* first segment */
923#define RTW_RXCTL_LS		BIT(28)		/* last segment */
924#define RTW_RXCTL_RSVD0_MASK	BITS(29,12)	/* reserved */
925#define RTW_RXCTL_LENGTH_MASK	BITS(11,0)	/* Rx buffer length */
926
927#define RTW_RXSTAT_OWN		RTW_RXCTL_OWN
928#define RTW_RXSTAT_EOR		RTW_RXCTL_EOR
929#define RTW_RXSTAT_FS		RTW_RXCTL_FS	/* first segment */
930#define RTW_RXSTAT_LS		RTW_RXCTL_LS	/* last segment */
931#define RTW_RXSTAT_DMAFAIL	BIT(27)		/* DMA failure on this pkt */
932#define RTW_RXSTAT_BOVF		BIT(26)		/* buffer overflow XXX means
933						 * FIFO exhausted?
934						 */
935#define RTW_RXSTAT_SPLCP	BIT(25)		/* Rx'd with short preamble
936						 * and PLCP header
937						 */
938#define RTW_RXSTAT_RSVD1	BIT(24)		/* reserved */
939#define RTW_RXSTAT_RATE_MASK	BITS(23,20)	/* Rx rate */
940#define RTW_RXSTAT_RATE_1MBPS	LSHIFT(0, RTW_RXSTAT_RATE_MASK)
941#define RTW_RXSTAT_RATE_2MBPS	LSHIFT(1, RTW_RXSTAT_RATE_MASK)
942#define RTW_RXSTAT_RATE_5MBPS	LSHIFT(2, RTW_RXSTAT_RATE_MASK)
943#define RTW_RXSTAT_RATE_11MBPS	LSHIFT(3, RTW_RXSTAT_RATE_MASK)
944#define RTW_RXSTAT_MIC		BIT(19)		/* XXX from reference driver */
945#define RTW_RXSTAT_MAR		BIT(18)		/* is multicast */
946#define RTW_RXSTAT_PAR		BIT(17)		/* matches RTL8180's MAC */
947#define RTW_RXSTAT_BAR		BIT(16)		/* is broadcast */
948#define RTW_RXSTAT_RES		BIT(15)		/* error summary. valid when
949						 * RTW_RXSTAT_LS set. indicates
950						 * that either RTW_RXSTAT_CRC32
951						 * or RTW_RXSTAT_ICV is set.
952						 */
953#define RTW_RXSTAT_PWRMGT	BIT(14)		/* 802.11 PWRMGMT bit is set */
954#define RTW_RXSTAT_CRC16	BIT(14)		/* XXX CRC16 error, from
955						 * reference driver
956						 */
957#define RTW_RXSTAT_CRC32	BIT(13)		/* CRC32 error */
958#define RTW_RXSTAT_ICV		BIT(12)		/* ICV error */
959#define RTW_RXSTAT_LENGTH_MASK	BITS(11,0)	/* frame length, including
960						 * CRC32
961						 */
962
963/* Convenient status conjunction. */
964#define RTW_RXSTAT_ONESEG	(RTW_RXSTAT_FS|RTW_RXSTAT_LS)
965/* Convenient status disjunctions. */
966#define RTW_RXSTAT_IOERROR	(RTW_RXSTAT_DMAFAIL|RTW_RXSTAT_BOVF)
967#define RTW_RXSTAT_DEBUG	(RTW_RXSTAT_SPLCP|RTW_RXSTAT_MAR|\
968				 RTW_RXSTAT_PAR|RTW_RXSTAT_BAR|\
969				 RTW_RXSTAT_PWRMGT|RTW_RXSTAT_CRC32|\
970				 RTW_RXSTAT_ICV)
971
972
973#define RTW_RXRSSI_VLAN		BITS(32,16)	/* XXX from reference driver */
974/* for Philips RF front-ends */
975#define RTW_RXRSSI_RSSI		BITS(15,8)	/* RF energy at the PHY */
976/* for RF front-ends by Intersil, Maxim, RFMD */
977#define RTW_RXRSSI_IMR_RSSI	BITS(15,9)	/* RF energy at the PHY */
978#define RTW_RXRSSI_IMR_LNA	BIT(8)		/* 1: LNA activated */
979#define RTW_RXRSSI_SQ		BITS(7,0)	/* Barker code-lock quality */
980
981#define RTW_READ8(regs, ofs)						\
982	bus_space_read_1((regs)->r_bt, (regs)->r_bh, (ofs))
983
984#define RTW_READ16(regs, ofs)						\
985	bus_space_read_2((regs)->r_bt, (regs)->r_bh, (ofs))
986
987#define RTW_READ(regs, ofs)						\
988	bus_space_read_4((regs)->r_bt, (regs)->r_bh, (ofs))
989
990#define RTW_WRITE8(regs, ofs, val)					\
991	bus_space_write_1((regs)->r_bt, (regs)->r_bh, (ofs), (val))
992
993#define RTW_WRITE16(regs, ofs, val)					\
994	bus_space_write_2((regs)->r_bt, (regs)->r_bh, (ofs), (val))
995
996#define RTW_WRITE(regs, ofs, val)					\
997	bus_space_write_4((regs)->r_bt, (regs)->r_bh, (ofs), (val))
998
999#define	RTW_ISSET(regs, reg, mask)					\
1000	(RTW_READ((regs), (reg)) & (mask))
1001
1002#define	RTW_CLR(regs, reg, mask)					\
1003	RTW_WRITE((regs), (reg), RTW_READ((regs), (reg)) & ~(mask))
1004
1005/* bus_space(9) lied? */
1006#ifndef BUS_SPACE_BARRIER_SYNC
1007#define BUS_SPACE_BARRIER_SYNC (BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE)
1008#endif
1009
1010#ifndef BUS_SPACE_BARRIER_READ_BEFORE_READ
1011#define BUS_SPACE_BARRIER_READ_BEFORE_READ BUS_SPACE_BARRIER_READ
1012#endif
1013
1014#ifndef BUS_SPACE_BARRIER_READ_BEFORE_WRITE
1015#define BUS_SPACE_BARRIER_READ_BEFORE_WRITE BUS_SPACE_BARRIER_READ
1016#endif
1017
1018#ifndef BUS_SPACE_BARRIER_WRITE_BEFORE_READ
1019#define BUS_SPACE_BARRIER_WRITE_BEFORE_READ BUS_SPACE_BARRIER_WRITE
1020#endif
1021
1022#ifndef BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE
1023#define BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE BUS_SPACE_BARRIER_WRITE
1024#endif
1025
1026/*
1027 * Bus barrier
1028 *
1029 * Complete outstanding read and/or write ops on [reg0, reg1]
1030 * ([reg1, reg0]) before starting new ops on the same region. See
1031 * acceptable bus_space_barrier(9) for the flag definitions.
1032 */
1033#define RTW_BARRIER(regs, reg0, reg1, flags)			\
1034	bus_space_barrier((regs)->r_bh, (regs)->r_bt,		\
1035	    MIN(reg0, reg1), MAX(reg0, reg1) - MIN(reg0, reg1) + 4, flags)
1036
1037/*
1038 * Barrier convenience macros.
1039 */
1040/* sync */
1041#define RTW_SYNC(regs, reg0, reg1)				\
1042	RTW_BARRIER(regs, reg0, reg1, BUS_SPACE_BARRIER_SYNC)
1043
1044/* write-before-write */
1045#define RTW_WBW(regs, reg0, reg1)				\
1046	RTW_BARRIER(regs, reg0, reg1, BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE)
1047
1048/* write-before-read */
1049#define RTW_WBR(regs, reg0, reg1)				\
1050	RTW_BARRIER(regs, reg0, reg1, BUS_SPACE_BARRIER_WRITE_BEFORE_READ)
1051
1052/* read-before-read */
1053#define RTW_RBR(regs, reg0, reg1)				\
1054	RTW_BARRIER(regs, reg0, reg1, BUS_SPACE_BARRIER_READ_BEFORE_READ)
1055
1056/* read-before-read */
1057#define RTW_RBW(regs, reg0, reg1)				\
1058	RTW_BARRIER(regs, reg0, reg1, BUS_SPACE_BARRIER_READ_BEFORE_WRITE)
1059
1060#define RTW_WBRW(regs, reg0, reg1)				\
1061		RTW_BARRIER(regs, reg0, reg1,			\
1062		    BUS_SPACE_BARRIER_WRITE_BEFORE_READ |	\
1063		    BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE)
1064
1065/*
1066 * Registers for RTL8180L's built-in baseband modem.
1067 */
1068#define RTW_BBP_SYS1		0x00
1069#define RTW_BBP_TXAGC		0x03	/* guess: transmit auto gain control */
1070#define RTW_BBP_LNADET		0x04	/* guess: low-noise amplifier activation
1071					 * threshold
1072					 */
1073#define RTW_BBP_IFAGCINI	0x05	/* guess: intermediate frequency (IF)
1074					 * auto-gain control (AGC) initial value
1075					 */
1076#define RTW_BBP_IFAGCLIMIT	0x06	/* guess: IF AGC maximum value */
1077#define RTW_BBP_IFAGCDET	0x07	/* guess: activation threshold for
1078					 * IF AGC loop
1079					 */
1080
1081#define RTW_BBP_ANTATTEN	0x10	/* guess: antenna & attenuation */
1082#define RTW_BBP_ANTATTEN_PHILIPS_MAGIC		0x91
1083#define RTW_BBP_ANTATTEN_INTERSIL_MAGIC		0x92
1084#define RTW_BBP_ANTATTEN_RFMD_MAGIC		0x93
1085#define RTW_BBP_ANTATTEN_MAXIM_MAGIC		0xb3
1086#define	RTW_BBP_ANTATTEN_DFLANTB		0x40
1087#define	RTW_BBP_ANTATTEN_CHAN14			0x0c
1088
1089#define RTW_BBP_TRL			0x11	/* guess: transmit/receive
1090						 * switch latency
1091						 */
1092#define RTW_BBP_SYS2			0x12
1093#define RTW_BBP_SYS2_ANTDIV		0x80	/* enable antenna diversity */
1094#define RTW_BBP_SYS2_RATE_MASK		BITS(5,4)	/* loopback rate?
1095							 * 0: 1Mbps
1096							 * 1: 2Mbps
1097							 * 2: 5.5Mbps
1098							 * 3: 11Mbps
1099							 */
1100#define RTW_BBP_SYS3			0x13
1101/* carrier-sense threshold */
1102#define RTW_BBP_SYS3_CSTHRESH_MASK	BITS(0,3)
1103#define RTW_BBP_CHESTLIM	0x19	/* guess: channel energy-detect
1104					 * threshold
1105					 */
1106#define RTW_BBP_CHSQLIM		0x1a	/* guess: channel signal-quality
1107					 * threshold
1108					 */
1109