xref: /openbsd/sys/dev/ic/rtl81x9reg.h (revision a6445c1d)
1 /*	$OpenBSD: rtl81x9reg.h,v 1.88 2014/11/24 02:03:37 brad Exp $	*/
2 
3 /*
4  * Copyright (c) 1997, 1998
5  *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Bill Paul.
18  * 4. Neither the name of the author nor the names of any co-contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32  * THE POSSIBILITY OF SUCH DAMAGE.
33  *
34  * $FreeBSD: src/sys/pci/if_rlreg.h,v 1.14 1999/10/21 19:42:03 wpaul Exp $
35  */
36 
37 /*
38  * Realtek 8129/8139 register offsets
39  */
40 #define	RL_IDR0		0x0000		/* ID register 0 (station addr) */
41 #define RL_IDR1		0x0001		/* Must use 32-bit accesses (?) */
42 #define RL_IDR2		0x0002
43 #define RL_IDR3		0x0003
44 #define RL_IDR4		0x0004
45 #define RL_IDR5		0x0005
46 					/* 0006-0007 reserved */
47 #define RL_MAR0		0x0008		/* Multicast hash table */
48 #define RL_MAR1		0x0009
49 #define RL_MAR2		0x000A
50 #define RL_MAR3		0x000B
51 #define RL_MAR4		0x000C
52 #define RL_MAR5		0x000D
53 #define RL_MAR6		0x000E
54 #define RL_MAR7		0x000F
55 
56 #define RL_TXSTAT0	0x0010		/* status of TX descriptor 0 */
57 #define RL_TXSTAT1	0x0014		/* status of TX descriptor 1 */
58 #define RL_TXSTAT2	0x0018		/* status of TX descriptor 2 */
59 #define RL_TXSTAT3	0x001C		/* status of TX descriptor 3 */
60 
61 #define RL_TXADDR0	0x0020		/* address of TX descriptor 0 */
62 #define RL_TXADDR1	0x0024		/* address of TX descriptor 1 */
63 #define RL_TXADDR2	0x0028		/* address of TX descriptor 2 */
64 #define RL_TXADDR3	0x002C		/* address of TX descriptor 3 */
65 
66 #define RL_RXADDR		0x0030	/* RX ring start address */
67 #define RL_RX_EARLY_BYTES	0x0034	/* RX early byte count */
68 #define RL_RX_EARLY_STAT	0x0036	/* RX early status */
69 #define RL_COMMAND	0x0037		/* command register */
70 #define RL_CURRXADDR	0x0038		/* current address of packet read */
71 #define RL_CURRXBUF	0x003A		/* current RX buffer address */
72 #define RL_IMR		0x003C		/* interrupt mask register */
73 #define RL_ISR		0x003E		/* interrupt status register */
74 #define RL_TXCFG	0x0040		/* transmit config */
75 #define RL_RXCFG	0x0044		/* receive config */
76 #define RL_TIMERCNT	0x0048		/* timer count register */
77 #define RL_MISSEDPKT	0x004C		/* missed packet counter */
78 #define RL_EECMD	0x0050		/* EEPROM command register */
79 #define RL_CFG0		0x0051		/* config register #0 */
80 #define RL_CFG1		0x0052		/* config register #1 */
81 #define RL_CFG2		0x0053		/* config register #2 */
82 #define RL_CFG3		0x0054		/* config register #3 */
83 #define RL_CFG4		0x0055		/* config register #4 */
84 #define RL_CFG5		0x0056		/* config register #5 */
85 					/* 0057 reserved */
86 #define RL_MEDIASTAT	0x0058		/* media status register (8139) */
87 					/* 0059-005A reserved */
88 #define RL_MII		0x005A		/* 8129 chip only */
89 #define RL_HALTCLK	0x005B
90 #define RL_MULTIINTR	0x005C		/* multiple interrupt */
91 #define RL_PCIREV	0x005E		/* PCI revision value */
92 					/* 005F reserved */
93 #define RL_TXSTAT_ALL	0x0060		/* TX status of all descriptors */
94 
95 #define RL_CSIDR	0x0064
96 #define RL_CSIAR	0x0068
97 
98 /* Direct PHY access registers only available on 8139 */
99 #define RL_BMCR		0x0062		/* PHY basic mode control */
100 #define RL_BMSR		0x0064		/* PHY basic mode status */
101 #define RL_ANAR		0x0066		/* PHY autoneg advert */
102 #define RL_LPAR		0x0068		/* PHY link partner ability */
103 #define RL_ANER		0x006A		/* PHY autoneg expansion */
104 
105 #define RL_DISCCNT	0x006C		/* disconnect counter */
106 #define RL_FALSECAR	0x006E		/* false carrier counter */
107 #define RL_NWAYTST	0x0070		/* NWAY test register */
108 #define RL_RX_ER	0x0072		/* RX_ER counter */
109 #define RL_CSCFG	0x0074		/* CS configuration register */
110 
111 /*
112  * When operating in special C+ mode, some of the registers in an
113  * 8139C+ chip have different definitions. These are also used for
114  * the 8169 gigE chip.
115  */
116 #define RL_DUMPSTATS_LO	0x0010	/* counter dump command register */
117 #define RL_DUMPSTATS_HI	0x0014	/* counter dump command register */
118 #define RL_TXLIST_ADDR_LO	0x0020	/* 64 bits, 256 byte alignment */
119 #define RL_TXLIST_ADDR_HI	0x0024	/* 64 bits, 256 byte alignment */
120 #define RL_TXLIST_ADDR_HPRIO_LO	0x0028	/* 64 bits, 256 byte aligned */
121 #define RL_TXLIST_ADDR_HPRIO_HI	0x002C	/* 64 bits, 256 byte aligned */
122 #define RL_TIMERINT		0x0054	/* interrupt on timer expire */
123 #define RL_TXSTART		0x00D9	/* 8 bits */
124 #define RL_CPLUS_CMD		0x00E0	/* 16 bits */
125 #define RL_RXLIST_ADDR_LO	0x00E4	/* 64 bits, 256 byte alignment */
126 #define RL_RXLIST_ADDR_HI	0x00E8	/* 64 bits, 256 byte alignment */
127 #define RL_EARLY_TX_THRESH	0x00EC	/* 8 bits */
128 
129 /*
130  * Registers specific to the 8169 gigE chip
131  */
132 #define RL_GTXSTART		0x0038	/* 8 bits */
133 #define RL_TIMERINT_8169	0x0058	/* different offset than 8139 */
134 #define RL_PHYAR		0x0060
135 #define RL_TBICSR		0x0064
136 #define RL_TBI_ANAR		0x0068
137 #define RL_TBI_LPAR		0x006A
138 #define RL_GMEDIASTAT		0x006C	/* 8 bits */
139 #define RL_MACDBG		0x006D	/* 8 bits */
140 #define RL_GPIO			0x006E	/* 8 bits */
141 #define RL_PMCH			0x006F	/* 8 bits */
142 #define RL_LDPS			0x0082	/* Link Down Power Saving */
143 #define RL_MAXRXPKTLEN		0x00DA	/* 16 bits, chip multiplies by 8 */
144 #define RL_IM			0x00E2
145 #define RL_MISC			0x00F0
146 
147 /*
148  * TX config register bits
149  */
150 #define RL_TXCFG_CLRABRT	0x00000001	/* retransmit aborted pkt */
151 #define RL_TXCFG_MAXDMA		0x00000700	/* max DMA burst size */
152 #define RL_TXCFG_QUEUE_EMPTY	0x00000800	/* 8168E-VL or higher */
153 #define RL_TXCFG_CRCAPPEND	0x00010000	/* CRC append (0 = yes) */
154 #define RL_TXCFG_LOOPBKTST	0x00060000	/* loopback test */
155 #define RL_TXCFG_IFG2		0x00080000	/* 8169 only */
156 #define RL_TXCFG_IFG		0x03000000	/* interframe gap */
157 #define RL_TXCFG_HWREV		0x7C800000
158 
159 #define RL_LOOPTEST_OFF		0x00000000
160 #define RL_LOOPTEST_ON		0x00020000
161 #define RL_LOOPTEST_ON_CPLUS	0x00060000
162 
163 /* Known revision codes. */
164 
165 #define RL_HWREV_8169		0x00000000
166 #define RL_HWREV_8169S		0x00800000
167 #define RL_HWREV_8110S		0x04000000
168 #define RL_HWREV_8169_8110SB	0x10000000
169 #define RL_HWREV_8169_8110SCd	0x18000000
170 #define RL_HWREV_8401E		0x24000000
171 #define RL_HWREV_8102EL		0x24800000
172 #define RL_HWREV_8102EL_SPIN1	0x24C00000
173 #define RL_HWREV_8168D		0x28000000
174 #define RL_HWREV_8168DP		0x28800000
175 #define RL_HWREV_8168E		0x2C000000
176 #define RL_HWREV_8168E_VL	0x2C800000
177 #define RL_HWREV_8168B_SPIN1	0x30000000
178 #define RL_HWREV_8100E		0x30800000
179 #define RL_HWREV_8101E		0x34000000
180 #define RL_HWREV_8102E		0x34800000
181 #define	RL_HWREV_8103E		0x34C00000
182 #define RL_HWREV_8168B_SPIN2	0x38000000
183 #define RL_HWREV_8168B_SPIN3	0x38400000
184 #define RL_HWREV_8100E_SPIN2	0x38800000
185 #define RL_HWREV_8168C		0x3c000000
186 #define RL_HWREV_8168C_SPIN2	0x3c400000
187 #define RL_HWREV_8168CP		0x3c800000
188 #define RL_HWREV_8105E		0x40800000
189 #define RL_HWREV_8105E_SPIN1	0x40C00000
190 #define RL_HWREV_8402		0x44000000
191 #define RL_HWREV_8106E		0x44800000
192 #define RL_HWREV_8168F		0x48000000
193 #define RL_HWREV_8411		0x48800000
194 #define RL_HWREV_8168G		0x4c000000
195 #define RL_HWREV_8168EP		0x50000000
196 #define RL_HWREV_8168GU		0x50800000
197 #define RL_HWREV_8411B		0x5c800000
198 #define RL_HWREV_8139		0x60000000
199 #define RL_HWREV_8139A		0x70000000
200 #define RL_HWREV_8139AG		0x70800000
201 #define RL_HWREV_8139B		0x78000000
202 #define RL_HWREV_8130		0x7C000000
203 #define RL_HWREV_8139C		0x74000000
204 #define RL_HWREV_8139D		0x74400000
205 #define RL_HWREV_8139CPLUS	0x74800000
206 #define RL_HWREV_8101		0x74c00000
207 #define RL_HWREV_8100		0x78800000
208 #define RL_HWREV_8169_8110SBL	0x7cc00000
209 #define RL_HWREV_8169_8110SCe	0x98000000
210 
211 #define RL_TXDMA_16BYTES	0x00000000
212 #define RL_TXDMA_32BYTES	0x00000100
213 #define RL_TXDMA_64BYTES	0x00000200
214 #define RL_TXDMA_128BYTES	0x00000300
215 #define RL_TXDMA_256BYTES	0x00000400
216 #define RL_TXDMA_512BYTES	0x00000500
217 #define RL_TXDMA_1024BYTES	0x00000600
218 #define RL_TXDMA_2048BYTES	0x00000700
219 
220 /*
221  * Transmit descriptor status register bits.
222  */
223 #define RL_TXSTAT_LENMASK	0x00001FFF
224 #define RL_TXSTAT_OWN		0x00002000
225 #define RL_TXSTAT_TX_UNDERRUN	0x00004000
226 #define RL_TXSTAT_TX_OK		0x00008000
227 #define RL_TXSTAT_EARLY_THRESH	0x003F0000
228 #define RL_TXSTAT_COLLCNT	0x0F000000
229 #define RL_TXSTAT_CARR_HBEAT	0x10000000
230 #define RL_TXSTAT_OUTOFWIN	0x20000000
231 #define RL_TXSTAT_TXABRT	0x40000000
232 #define RL_TXSTAT_CARRLOSS	0x80000000
233 
234 /*
235  * Interrupt status register bits.
236  */
237 #define RL_ISR_RX_OK		0x0001
238 #define RL_ISR_RX_ERR		0x0002
239 #define RL_ISR_TX_OK		0x0004
240 #define RL_ISR_TX_ERR		0x0008
241 #define RL_ISR_RX_OVERRUN	0x0010
242 #define RL_ISR_PKT_UNDERRUN	0x0020
243 #define RL_ISR_LINKCHG		0x0020	/* 8169 only */
244 #define RL_ISR_FIFO_OFLOW	0x0040
245 #define RL_ISR_TX_DESC_UNAVAIL	0x0080	/* C+ only */
246 #define RL_ISR_SWI		0x0100	/* C+ only */
247 #define RL_ISR_CABLE_LEN_CHGD	0x2000
248 #define RL_ISR_PCS_TIMEOUT	0x4000	/* 8129 only */
249 #define RL_ISR_TIMEOUT_EXPIRED	0x4000
250 #define RL_ISR_SYSTEM_ERR	0x8000
251 
252 #define RL_INTRS	\
253 	(RL_ISR_TX_OK|RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR|		\
254 	RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW|	\
255 	RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR)
256 
257 #define RL_INTRS_CPLUS	\
258 	(RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR|			\
259 	RL_ISR_RX_OVERRUN|RL_ISR_FIFO_OFLOW|RL_ISR_LINKCHG|		\
260 	RL_ISR_SYSTEM_ERR|RL_ISR_TX_OK)
261 
262 #define RL_INTRS_TIMER							\
263 	(RL_ISR_RX_ERR|RL_ISR_TX_ERR|					\
264 	RL_ISR_LINKCHG|RL_ISR_SYSTEM_ERR|				\
265 	RL_ISR_TIMEOUT_EXPIRED)
266 
267 /*
268  * Media status register. (8139 only)
269  */
270 #define RL_MEDIASTAT_RXPAUSE	0x01
271 #define RL_MEDIASTAT_TXPAUSE	0x02
272 #define RL_MEDIASTAT_LINK	0x04
273 #define RL_MEDIASTAT_SPEED10	0x08
274 #define RL_MEDIASTAT_RXFLOWCTL	0x40	/* duplex mode */
275 #define RL_MEDIASTAT_TXFLOWCTL	0x80	/* duplex mode */
276 
277 /*
278  * Receive config register.
279  */
280 #define RL_RXCFG_RX_ALLPHYS	0x00000001	/* accept all nodes */
281 #define RL_RXCFG_RX_INDIV	0x00000002	/* match filter */
282 #define RL_RXCFG_RX_MULTI	0x00000004	/* accept all multicast */
283 #define RL_RXCFG_RX_BROAD	0x00000008	/* accept all broadcast */
284 #define RL_RXCFG_RX_RUNT	0x00000010
285 #define RL_RXCFG_RX_ERRPKT	0x00000020
286 #define RL_RXCFG_WRAP		0x00000080
287 #define RL_RXCFG_EARLYOFFV2	0x00000800
288 #define RL_RXCFG_MAXDMA		0x00000700
289 #define RL_RXCFG_BURSZ		0x00001800
290 #define RL_RXCFG_EARLYOFF	0x00003800
291 #define RL_RXCFG_FIFOTHRESH	0x0000E000
292 #define RL_RXCFG_EARLYTHRESH	0x07000000
293 
294 #define RL_RXDMA_16BYTES	0x00000000
295 #define RL_RXDMA_32BYTES	0x00000100
296 #define RL_RXDMA_64BYTES	0x00000200
297 #define RL_RXDMA_128BYTES	0x00000300
298 #define RL_RXDMA_256BYTES	0x00000400
299 #define RL_RXDMA_512BYTES	0x00000500
300 #define RL_RXDMA_1024BYTES	0x00000600
301 #define RL_RXDMA_UNLIMITED	0x00000700
302 
303 #define RL_RXBUF_8		0x00000000
304 #define RL_RXBUF_16		0x00000800
305 #define RL_RXBUF_32		0x00001000
306 #define RL_RXBUF_64		0x00001800
307 
308 #define RL_RXFIFO_16BYTES	0x00000000
309 #define RL_RXFIFO_32BYTES	0x00002000
310 #define RL_RXFIFO_64BYTES	0x00004000
311 #define RL_RXFIFO_128BYTES	0x00006000
312 #define RL_RXFIFO_256BYTES	0x00008000
313 #define RL_RXFIFO_512BYTES	0x0000A000
314 #define RL_RXFIFO_1024BYTES	0x0000C000
315 #define RL_RXFIFO_NOTHRESH	0x0000E000
316 
317 /*
318  * Bits in RX status header (included with RX'ed packet
319  * in ring buffer).
320  */
321 #define RL_RXSTAT_RXOK		0x00000001
322 #define RL_RXSTAT_ALIGNERR	0x00000002
323 #define RL_RXSTAT_CRCERR	0x00000004
324 #define RL_RXSTAT_GIANT		0x00000008
325 #define RL_RXSTAT_RUNT		0x00000010
326 #define RL_RXSTAT_BADSYM	0x00000020
327 #define RL_RXSTAT_BROAD		0x00002000
328 #define RL_RXSTAT_INDIV		0x00004000
329 #define RL_RXSTAT_MULTI		0x00008000
330 #define RL_RXSTAT_LENMASK	0xFFFF0000
331 
332 #define RL_RXSTAT_UNFINISHED	0xFFF0		/* DMA still in progress */
333 /*
334  * Command register.
335  */
336 #define RL_CMD_EMPTY_RXBUF	0x0001
337 #define RL_CMD_TX_ENB		0x0004
338 #define RL_CMD_RX_ENB		0x0008
339 #define RL_CMD_RESET		0x0010
340 #define RL_CMD_STOPREQ		0x0080
341 
342 /*
343  * EEPROM control register
344  */
345 #define RL_EE_DATAOUT		0x01	/* Data out */
346 #define RL_EE_DATAIN		0x02	/* Data in */
347 #define RL_EE_CLK		0x04	/* clock */
348 #define RL_EE_SEL		0x08	/* chip select */
349 #define RL_EE_MODE		(0x40|0x80)
350 
351 #define RL_EEMODE_OFF		0x00
352 #define RL_EEMODE_AUTOLOAD	0x40
353 #define RL_EEMODE_PROGRAM	0x80
354 #define RL_EEMODE_WRITECFG	(0x80|0x40)
355 
356 /* 9346/9356 EEPROM commands */
357 
358 #define RL_9346_ADDR_LEN	6	/* 93C46 1K: 128x16 */
359 #define RL_9356_ADDR_LEN	8	/* 93C56 2K: 256x16 */
360 
361 #define RL_9346_WRITE		0x5
362 #define RL_9346_READ		0x6
363 #define RL_9346_ERASE		0x7
364 #define RL_9346_EWEN		0x4
365 #define RL_9346_EWEN_ADDR	0x30
366 #define RL_9456_EWDS		0x4
367 #define RL_9346_EWDS_ADDR	0x00
368 
369 #define RL_EECMD_WRITE		0x5	/* 0101b */
370 #define RL_EECMD_READ		0x6	/* 0110b */
371 #define RL_EECMD_ERASE		0x7	/* 0111b */
372 #define RL_EECMD_LEN		4
373 
374 #define RL_EEADDR_LEN0		6	/* 9346 */
375 #define RL_EEADDR_LEN1		8	/* 9356 */
376 
377 #define RL_EECMD_READ_6BIT	0x180	/* XXX  */
378 #define RL_EECMD_READ_8BIT	0x600	/* EECMD_READ above maybe wrong? */
379 
380 #define RL_EE_ID		0x00
381 #define RL_EE_PCI_VID		0x01
382 #define RL_EE_PCI_DID		0x02
383 /* Location of station address inside EEPROM */
384 #define RL_EE_EADDR		0x07
385 
386 /*
387  * MII register (8129 only)
388  */
389 #define RL_MII_CLK		0x01
390 #define RL_MII_DATAIN		0x02
391 #define RL_MII_DATAOUT		0x04
392 #define RL_MII_DIR		0x80	/* 0 == input, 1 == output */
393 
394 /*
395  * Config 0 register
396  */
397 #define RL_CFG0_ROM0		0x01
398 #define RL_CFG0_ROM1		0x02
399 #define RL_CFG0_ROM2		0x04
400 #define RL_CFG0_PL0		0x08
401 #define RL_CFG0_PL1		0x10
402 #define RL_CFG0_10MBPS		0x20	/* 10 Mbps internal mode */
403 #define RL_CFG0_PCS		0x40
404 #define RL_CFG0_SCR		0x80
405 
406 /*
407  * Config 1 register
408  */
409 #define RL_CFG1_PWRDWN		0x01
410 #define RL_CFG1_PME		0x01
411 #define RL_CFG1_SLEEP		0x02
412 #define RL_CFG1_VPDEN		0x02
413 #define RL_CFG1_IOMAP		0x04
414 #define RL_CFG1_MEMMAP		0x08
415 #define RL_CFG1_RSVD		0x10
416 #define RL_CFG1_LWACT		0x10
417 #define RL_CFG1_DRVLOAD		0x20
418 #define RL_CFG1_LED0		0x40
419 #define RL_CFG1_FULLDUPLEX	0x40	/* 8129 only */
420 #define RL_CFG1_LED1		0x80
421 
422 /*
423  * Config 2 register
424  */
425 #define RL_CFG2_PCI_MASK	0x07
426 #define RL_CFG2_PCI_33MHZ	0x00
427 #define RL_CFG2_PCI_66MHZ	0x01
428 #define RL_CFG2_PCI_64BIT	0x08
429 #define RL_CFG2_AUXPWR		0x10
430 #define RL_CFG2_MSI		0x20
431 
432 /*
433  * Config 3 register
434  */
435 #define RL_CFG3_GRANTSEL	0x80
436 #define RL_CFG3_WOL_MAGIC	0x20
437 #define RL_CFG3_WOL_LINK	0x10
438 #define RL_CFG3_FAST_B2B	0x01
439 
440 /*
441  * Config 4 register
442  */
443 #define RL_CFG4_LWPTN		0x04
444 #define RL_CFG4_LWPME		0x10
445 
446 /*
447  * Config 5 register
448  */
449 #define RL_CFG5_WOL_BCAST	0x40
450 #define RL_CFG5_WOL_MCAST	0x20
451 #define RL_CFG5_WOL_UCAST	0x10
452 #define RL_CFG5_WOL_LANWAKE	0x02
453 #define RL_CFG5_PME_STS		0x01
454 
455 /*
456  * 8139C+ register definitions
457  */
458 
459 /* RL_DUMPSTATS_LO register */
460 
461 #define RL_DUMPSTATS_START	0x00000008
462 
463 /* Transmit start register */
464 
465 #define RL_TXSTART_SWI		0x01	/* generate TX interrupt */
466 #define RL_TXSTART_START	0x40	/* start normal queue transmit */
467 #define RL_TXSTART_HPRIO_START	0x80	/* start hi prio queue transmit */
468 
469 /*
470  * Config 2 register, 8139C+/8169/8169S/8110S only
471  */
472 #define RL_CFG2_BUSFREQ		0x07
473 #define RL_CFG2_BUSWIDTH	0x08
474 #define RL_CFG2_AUXPWRSTS	0x10
475 
476 #define RL_BUSFREQ_33MHZ	0x00
477 #define RL_BUSFREQ_66MHZ	0x01
478 
479 #define RL_BUSWIDTH_32BITS	0x00
480 #define RL_BUSWIDTH_64BITS	0x08
481 
482 /* C+ mode command register */
483 
484 #define RL_CPLUSCMD_TXENB	0x0001	/* enable C+ transmit mode */
485 #define RL_CPLUSCMD_RXENB	0x0002	/* enable C+ receive mode */
486 #define RL_CPLUSCMD_PCI_MRW	0x0008	/* enable PCI multi-read/write */
487 #define RL_CPLUSCMD_PCI_DAC	0x0010	/* PCI dual-address cycle only */
488 #define RL_CPLUSCMD_RXCSUM_ENB	0x0020	/* enable RX checksum offload */
489 #define RL_CPLUSCMD_VLANSTRIP	0x0040	/* enable VLAN tag stripping */
490 #define	RL_CPLUSCMD_MACSTAT_DIS	0x0080	/* 8168B/C/CP */
491 #define	RL_CPLUSCMD_ASF		0x0100	/* 8168C/CP */
492 #define	RL_CPLUSCMD_DBG_SEL	0x0200	/* 8168C/CP */
493 #define	RL_CPLUSCMD_FORCE_TXFC	0x0400	/* 8168C/CP */
494 #define	RL_CPLUSCMD_FORCE_RXFC	0x0800	/* 8168C/CP */
495 #define	RL_CPLUSCMD_FORCE_HDPX	0x1000	/* 8168C/CP */
496 #define	RL_CPLUSCMD_NORMAL_MODE	0x2000	/* 8168C/CP */
497 #define	RL_CPLUSCMD_DBG_ENB	0x4000	/* 8168C/CP */
498 #define	RL_CPLUSCMD_BIST_ENB	0x8000	/* 8168C/CP */
499 
500 /* C+ early transmit threshold */
501 
502 #define RL_EARLYTXTHRESH_CNT	0x003F	/* byte count times 8 */
503 
504 /*
505  * Gigabit PHY access register (8169 only)
506  */
507 
508 #define RL_PHYAR_PHYDATA	0x0000FFFF
509 #define RL_PHYAR_PHYREG		0x001F0000
510 #define RL_PHYAR_BUSY		0x80000000
511 
512 /*
513  * Gigabit media status (8169 only)
514  */
515 #define RL_GMEDIASTAT_FDX	0x01	/* full duplex */
516 #define RL_GMEDIASTAT_LINK	0x02	/* link up */
517 #define RL_GMEDIASTAT_10MBPS	0x04	/* 10mps link */
518 #define RL_GMEDIASTAT_100MBPS	0x08	/* 100mbps link */
519 #define RL_GMEDIASTAT_1000MBPS	0x10	/* gigE link */
520 #define RL_GMEDIASTAT_RXFLOW	0x20	/* RX flow control on */
521 #define RL_GMEDIASTAT_TXFLOW	0x40	/* TX flow control on */
522 #define RL_GMEDIASTAT_TBI	0x80	/* TBI enabled */
523 
524 /*
525  * The Realtek doesn't use a fragment-based descriptor mechanism.
526  * Instead, there are only four register sets, each of which represents
527  * one 'descriptor.' Basically, each TX descriptor is just a contiguous
528  * packet buffer (32-bit aligned!) and we place the buffer addresses in
529  * the registers so the chip knows where they are.
530  *
531  * We can sort of kludge together the same kind of buffer management
532  * used in previous drivers, but we have to do buffer copies almost all
533  * the time, so it doesn't really buy us much.
534  *
535  * For reception, there's just one large buffer where the chip stores
536  * all received packets.
537  */
538 
539 #define RL_RX_BUF_SZ		RL_RXBUF_64
540 #define RL_RXBUFLEN		(1 << ((RL_RX_BUF_SZ >> 11) + 13))
541 #define RL_TX_LIST_CNT		4
542 #define RL_MIN_FRAMELEN		60
543 #define RL_TXTHRESH(x)		((x) << 11)
544 #define RL_TX_THRESH_INIT	96
545 #define RL_RX_FIFOTHRESH	RL_RXFIFO_NOTHRESH
546 #define RL_RX_MAXDMA		RL_RXDMA_UNLIMITED
547 #define RL_TX_MAXDMA		RL_TXDMA_2048BYTES
548 
549 #define RL_RXCFG_CONFIG		(RL_RX_FIFOTHRESH|RL_RX_MAXDMA|RL_RX_BUF_SZ)
550 #define RL_TXCFG_CONFIG		(RL_TXCFG_IFG|RL_TX_MAXDMA)
551 
552 #define RL_IM_MAGIC		0x5050
553 #define RL_IM_RXTIME(t)		((t) & 0xf)
554 #define RL_IM_TXTIME(t)		(((t) & 0xf) << 8)
555 
556 struct rl_chain_data {
557 	u_int16_t		cur_rx;
558 	caddr_t			rl_rx_buf;
559 	caddr_t			rl_rx_buf_ptr;
560 	bus_addr_t		rl_rx_buf_pa;
561 
562 	struct mbuf		*rl_tx_chain[RL_TX_LIST_CNT];
563 	bus_dmamap_t		rl_tx_dmamap[RL_TX_LIST_CNT];
564 	u_int8_t		last_tx;
565 	u_int8_t		cur_tx;
566 };
567 
568 
569 /*
570  * The 8139C+ and 8160 gigE chips support descriptor-based TX
571  * and RX. In fact, they even support TCP large send. Descriptors
572  * must be allocated in contiguous blocks that are aligned on a
573  * 256-byte boundary. The rings can hold a maximum of 64 descriptors.
574  */
575 
576 /*
577  * RX/TX descriptor definition. When large send mode is enabled, the
578  * lower 11 bits of the TX rl_cmd word are used to hold the MSS, and
579  * the checksum offload bits are disabled. The structure layout is
580  * the same for RX and TX descriptors
581  */
582 
583 struct rl_desc {
584 	volatile u_int32_t	rl_cmdstat;
585 	volatile u_int32_t	rl_vlanctl;
586 	volatile u_int32_t	rl_bufaddr_lo;
587 	volatile u_int32_t	rl_bufaddr_hi;
588 };
589 
590 #define RL_TDESC_CMD_FRAGLEN	0x0000FFFF
591 #define RL_TDESC_CMD_TCPCSUM	0x00010000	/* TCP checksum enable */
592 #define RL_TDESC_CMD_UDPCSUM	0x00020000	/* UDP checksum enable */
593 #define RL_TDESC_CMD_IPCSUM	0x00040000	/* IP header checksum enable */
594 #define RL_TDESC_CMD_MSSVAL	0x07FF0000	/* Large send MSS value */
595 #define RL_TDESC_CMD_LGSEND	0x08000000	/* TCP large send enb */
596 #define RL_TDESC_CMD_EOF	0x10000000	/* end of frame marker */
597 #define RL_TDESC_CMD_SOF	0x20000000	/* start of frame marker */
598 #define RL_TDESC_CMD_EOR	0x40000000	/* end of ring marker */
599 #define RL_TDESC_CMD_OWN	0x80000000	/* chip owns descriptor */
600 
601 #define RL_TDESC_VLANCTL_TAG	0x00020000	/* Insert VLAN tag */
602 #define RL_TDESC_VLANCTL_DATA	0x0000FFFF	/* TAG data */
603 /* RTL8168C/RTL8168CP/RTL8111C/RTL8111CP */
604 #define	RL_TDESC_CMD_IPCSUMV2	0x20000000
605 #define	RL_TDESC_CMD_TCPCSUMV2	0x40000000
606 #define	RL_TDESC_CMD_UDPCSUMV2	0x80000000
607 
608 /*
609  * Error bits are valid only on the last descriptor of a frame
610  * (i.e. RL_TDESC_CMD_EOF == 1)
611  */
612 
613 #define RL_TDESC_STAT_COLCNT	0x000F0000	/* collision count */
614 #define RL_TDESC_STAT_EXCESSCOL	0x00100000	/* excessive collisions */
615 #define RL_TDESC_STAT_LINKFAIL	0x00200000	/* link faulure */
616 #define RL_TDESC_STAT_OWINCOL	0x00400000	/* out-of-window collision */
617 #define RL_TDESC_STAT_TXERRSUM	0x00800000	/* transmit error summary */
618 #define RL_TDESC_STAT_UNDERRUN	0x02000000	/* TX underrun occured */
619 #define RL_TDESC_STAT_OWN	0x80000000
620 
621 /*
622  * RX descriptor cmd/vlan definitions
623  */
624 
625 #define RL_RDESC_CMD_EOR	0x40000000
626 #define RL_RDESC_CMD_OWN	0x80000000
627 #define RL_RDESC_CMD_BUFLEN	0x00001FFF
628 
629 #define RL_RDESC_STAT_OWN	0x80000000
630 #define RL_RDESC_STAT_EOR	0x40000000
631 #define RL_RDESC_STAT_SOF	0x20000000
632 #define RL_RDESC_STAT_EOF	0x10000000
633 #define RL_RDESC_STAT_FRALIGN	0x08000000	/* frame alignment error */
634 #define RL_RDESC_STAT_MCAST	0x04000000	/* multicast pkt received */
635 #define RL_RDESC_STAT_UCAST	0x02000000	/* unicast pkt received */
636 #define RL_RDESC_STAT_BCAST	0x01000000	/* broadcast pkt received */
637 #define RL_RDESC_STAT_BUFOFLOW	0x00800000	/* out of buffer space */
638 #define RL_RDESC_STAT_FIFOOFLOW	0x00400000	/* FIFO overrun */
639 #define RL_RDESC_STAT_GIANT	0x00200000	/* pkt > 4096 bytes */
640 #define RL_RDESC_STAT_RXERRSUM	0x00100000	/* RX error summary */
641 #define RL_RDESC_STAT_RUNT	0x00080000	/* runt packet received */
642 #define RL_RDESC_STAT_CRCERR	0x00040000	/* CRC error */
643 #define RL_RDESC_STAT_PROTOID	0x00030000	/* Protocol type */
644 #define	RL_RDESC_STAT_UDP	0x00020000	/* UDP, 8168C/CP, 8111C/CP */
645 #define	RL_RDESC_STAT_TCP	0x00010000	/* TCP, 8168C/CP, 8111C/CP */
646 #define RL_RDESC_STAT_IPSUMBAD	0x00008000	/* IP header checksum bad */
647 #define RL_RDESC_STAT_UDPSUMBAD	0x00004000	/* UDP checksum bad */
648 #define RL_RDESC_STAT_TCPSUMBAD	0x00002000	/* TCP checksum bad */
649 #define RL_RDESC_STAT_FRAGLEN	0x00001FFF	/* RX'ed frame/frag len */
650 #define RL_RDESC_STAT_GFRAGLEN	0x00003FFF	/* RX'ed frame/frag len */
651 #define RL_RDESC_STAT_ERRS	(RL_RDESC_STAT_GIANT|RL_RDESC_STAT_RUNT| \
652 				 RL_RDESC_STAT_CRCERR)
653 
654 #define RL_RDESC_VLANCTL_TAG	0x00010000	/* VLAN tag available
655 						   (rl_vlandata valid)*/
656 #define RL_RDESC_VLANCTL_DATA	0x0000FFFF	/* TAG data */
657 /* RTL8168C/RTL8168CP/RTL8111C/RTL8111CP */
658 #define	RL_RDESC_IPV6		0x80000000
659 #define	RL_RDESC_IPV4		0x40000000
660 
661 #define RL_PROTOID_NONIP	0x00000000
662 #define RL_PROTOID_TCPIP	0x00010000
663 #define RL_PROTOID_UDPIP	0x00020000
664 #define RL_PROTOID_IP		0x00030000
665 #define RL_TCPPKT(x)		(((x) & RL_RDESC_STAT_PROTOID) == \
666 				 RL_PROTOID_TCPIP)
667 #define RL_UDPPKT(x)		(((x) & RL_RDESC_STAT_PROTOID) == \
668 				 RL_PROTOID_UDPIP)
669 
670 /*
671  * Statistics counter structure (8139C+ and 8169 only)
672  */
673 struct rl_stats {
674 	u_int32_t		rl_tx_pkts_lo;
675 	u_int32_t		rl_tx_pkts_hi;
676 	u_int32_t		rl_tx_errs_lo;
677 	u_int32_t		rl_tx_errs_hi;
678 	u_int32_t		rl_tx_errs;
679 	u_int16_t		rl_missed_pkts;
680 	u_int16_t		rl_rx_framealign_errs;
681 	u_int32_t		rl_tx_onecoll;
682 	u_int32_t		rl_tx_multicolls;
683 	u_int32_t		rl_rx_ucasts_hi;
684 	u_int32_t		rl_rx_ucasts_lo;
685 	u_int32_t		rl_rx_bcasts_lo;
686 	u_int32_t		rl_rx_bcasts_hi;
687 	u_int32_t		rl_rx_mcasts;
688 	u_int16_t		rl_tx_aborts;
689 	u_int16_t		rl_rx_underruns;
690 };
691 
692 #define RL_RX_DESC_CNT		64
693 #define RL_TX_DESC_CNT_8139	64
694 #define RL_TX_DESC_CNT_8169	512
695 
696 #define RL_TX_QLEN		64
697 
698 #define RL_NTXSEGS		32
699 
700 #define RL_RX_LIST_SZ		(RL_RX_DESC_CNT * sizeof(struct rl_desc))
701 #define RL_RING_ALIGN		256
702 #define RL_PKTSZ(x)		((x)/* >> 3*/)
703 #ifdef __STRICT_ALIGNMENT
704 #define RE_ETHER_ALIGN		2
705 #define RE_RX_DESC_BUFLEN	(MCLBYTES - RE_ETHER_ALIGN)
706 #else
707 #define RE_ETHER_ALIGN		0
708 #define RE_RX_DESC_BUFLEN	MCLBYTES
709 #endif
710 
711 #define RL_TX_DESC_CNT(sc)	\
712 	((sc)->rl_ldata.rl_tx_desc_cnt)
713 #define RL_TX_LIST_SZ(sc)	\
714 	(RL_TX_DESC_CNT(sc) * sizeof(struct rl_desc))
715 #define RL_NEXT_TX_DESC(sc, x)	\
716 	(((x) + 1) % RL_TX_DESC_CNT(sc))
717 #define RL_NEXT_RX_DESC(sc, x)	\
718 	(((x) + 1) % RL_RX_DESC_CNT)
719 #define RL_NEXT_TXQ(sc, x)	\
720 	(((x) + 1) % RL_TX_QLEN)
721 
722 #define RL_TXDESCSYNC(sc, idx, ops)		\
723 	bus_dmamap_sync((sc)->sc_dmat,		\
724 	    (sc)->rl_ldata.rl_tx_list_map,	\
725 	    sizeof(struct rl_desc) * (idx),	\
726 	    sizeof(struct rl_desc),		\
727 	    (ops))
728 #define RL_RXDESCSYNC(sc, idx, ops)		\
729 	bus_dmamap_sync((sc)->sc_dmat,		\
730 	    (sc)->rl_ldata.rl_rx_list_map,	\
731 	    sizeof(struct rl_desc) * (idx),	\
732 	    sizeof(struct rl_desc),		\
733 	    (ops))
734 
735 #define RL_ADDR_LO(y)	((u_int64_t) (y) & 0xFFFFFFFF)
736 #define RL_ADDR_HI(y)	((u_int64_t) (y) >> 32)
737 
738 /* see comment in dev/ic/re.c */
739 #define RL_JUMBO_FRAMELEN	7440
740 #define RL_JUMBO_MTU_4K		\
741 	((4 * 1024) - ETHER_HDR_LEN - ETHER_CRC_LEN - ETHER_VLAN_ENCAP_LEN)
742 #define RL_JUMBO_MTU_6K		\
743 	((6 * 1024) - ETHER_HDR_LEN - ETHER_CRC_LEN - ETHER_VLAN_ENCAP_LEN)
744 #define RL_JUMBO_MTU_7K		\
745 	(RL_JUMBO_FRAMELEN - ETHER_HDR_LEN - ETHER_CRC_LEN - ETHER_VLAN_ENCAP_LEN)
746 #define RL_JUMBO_MTU_9K		\
747 	((9 * 1024) - ETHER_HDR_LEN - ETHER_CRC_LEN - ETHER_VLAN_ENCAP_LEN)
748 #define RL_MTU			ETHERMTU
749 
750 #define MAX_NUM_MULTICAST_ADDRESSES	128
751 
752 #define RL_INC(x)		(x = (x + 1) % RL_TX_LIST_CNT)
753 #define RL_CUR_TXADDR(x)	((x->rl_cdata.cur_tx * 4) + RL_TXADDR0)
754 #define RL_CUR_TXSTAT(x)	((x->rl_cdata.cur_tx * 4) + RL_TXSTAT0)
755 #define RL_CUR_TXMBUF(x)	(x->rl_cdata.rl_tx_chain[x->rl_cdata.cur_tx])
756 #define RL_CUR_TXMAP(x)		(x->rl_cdata.rl_tx_dmamap[x->rl_cdata.cur_tx])
757 #define RL_LAST_TXADDR(x)	((x->rl_cdata.last_tx * 4) + RL_TXADDR0)
758 #define RL_LAST_TXSTAT(x)	((x->rl_cdata.last_tx * 4) + RL_TXSTAT0)
759 #define RL_LAST_TXMBUF(x)	(x->rl_cdata.rl_tx_chain[x->rl_cdata.last_tx])
760 #define RL_LAST_TXMAP(x)	(x->rl_cdata.rl_tx_dmamap[x->rl_cdata.last_tx])
761 
762 struct rl_type {
763 	u_int16_t		rl_vid;
764 	u_int16_t		rl_did;
765 };
766 
767 struct rl_mii_frame {
768 	u_int8_t		mii_stdelim;
769 	u_int8_t		mii_opcode;
770 	u_int8_t		mii_phyaddr;
771 	u_int8_t		mii_regaddr;
772 	u_int8_t		mii_turnaround;
773 	u_int16_t		mii_data;
774 };
775 
776 /*
777  * MII constants
778  */
779 #define RL_MII_STARTDELIM	0x01
780 #define RL_MII_READOP		0x02
781 #define RL_MII_WRITEOP		0x01
782 #define RL_MII_TURNAROUND	0x02
783 
784 #define	RL_UNKNOWN		0
785 #define RL_8129			1
786 #define RL_8139			2
787 
788 struct rl_rxsoft {
789 	struct mbuf		*rxs_mbuf;
790 	bus_dmamap_t		rxs_dmamap;
791 };
792 
793 struct rl_txq {
794 	struct mbuf *txq_mbuf;
795 	bus_dmamap_t txq_dmamap;
796 	int txq_descidx;
797 	int txq_nsegs;
798 };
799 
800 struct rl_list_data {
801 	struct rl_txq		rl_txq[RL_TX_QLEN];
802 	int			rl_txq_considx;
803 	int			rl_txq_prodidx;
804 
805 	bus_dmamap_t		rl_tx_list_map;
806 	struct rl_desc		*rl_tx_list;
807 	int			rl_tx_free;	/* # of free descriptors */
808 	int			rl_tx_nextfree; /* next descriptor to use */
809 	int			rl_tx_desc_cnt; /* # of descriptors */
810 	bus_dma_segment_t	rl_tx_listseg;
811 	int			rl_tx_listnseg;
812 
813 	struct rl_rxsoft	rl_rxsoft[RL_RX_DESC_CNT];
814 	bus_dmamap_t		rl_rx_list_map;
815 	struct rl_desc		*rl_rx_list;
816 	int			rl_rx_considx;
817 	int			rl_rx_prodidx;
818 	struct if_rxring	rl_rx_ring;
819 	bus_dma_segment_t	rl_rx_listseg;
820 	int			rl_rx_listnseg;
821 };
822 
823 struct rl_softc {
824 	struct device		sc_dev;		/* us, as a device */
825 	void *			sc_ih;		/* interrupt vectoring */
826 	bus_space_handle_t	rl_bhandle;	/* bus space handle */
827 	bus_space_tag_t		rl_btag;	/* bus space tag */
828 	bus_dma_tag_t		sc_dmat;
829 	bus_dma_segment_t 	sc_rx_seg;
830 	bus_dmamap_t		sc_rx_dmamap;
831 	struct arpcom		sc_arpcom;	/* interface info */
832 	struct mii_data		sc_mii;		/* MII information */
833 	u_int8_t		rl_type;
834 	u_int32_t		sc_hwrev;
835 	u_int16_t		sc_product;
836 	int			rl_max_mtu;
837 	int			rl_eecmd_read;
838 	int			rl_eewidth;
839 	int			rl_bus_speed;
840 	int			rl_txthresh;
841 	struct rl_chain_data	rl_cdata;
842 	struct timeout		sc_tick_tmo;
843 
844 	struct rl_list_data	rl_ldata;
845 	struct mbuf		*rl_head;
846 	struct mbuf		*rl_tail;
847 	u_int32_t		rl_rxlenmask;
848 	struct timeout		timer_handle;
849 
850 	int			rl_txstart;
851 	u_int32_t		rl_flags;
852 #define	RL_FLAG_MSI		0x00000001
853 #define	RL_FLAG_PCI64		0x00000002
854 #define	RL_FLAG_PCIE		0x00000004
855 #define	RL_FLAG_PHYWAKE		0x00000008
856 #define	RL_FLAG_PAR		0x00000010
857 #define	RL_FLAG_DESCV2		0x00000020
858 #define	RL_FLAG_MACSTAT		0x00000040
859 #define	RL_FLAG_HWIM		0x00000080
860 #define	RL_FLAG_TIMERINTR	0x00000100
861 #define	RL_FLAG_MACRESET	0x00000200
862 #define	RL_FLAG_CMDSTOP		0x00000400
863 #define	RL_FLAG_MACSLEEP	0x00000800
864 #define	RL_FLAG_AUTOPAD		0x00001000
865 #define	RL_FLAG_LINK		0x00002000
866 #define	RL_FLAG_PHYWAKE_PM	0x00004000
867 #define	RL_FLAG_EARLYOFF	0x00008000
868 #define	RL_FLAG_EARLYOFFV2	0x00010000
869 #define	RL_FLAG_RXDV_GATED	0x00020000
870 #define	RL_FLAG_FASTETHER	0x00040000
871 #define	RL_FLAG_CMDSTOP_WAIT_TXQ 0x00080000
872 #define	RL_FLAG_JUMBOV2		0x00100000
873 #define	RL_FLAG_WOL_MANLINK	0x00200000
874 #define	RL_FLAG_WAIT_TXPOLL	0x00400000
875 #define	RL_FLAG_WOLRXENB	0x00800000
876 
877 	u_int16_t		rl_intrs;
878 	u_int16_t		rl_tx_ack;
879 	u_int16_t		rl_rx_ack;
880 	int			rl_tx_time;
881 	int			rl_rx_time;
882 	int			rl_sim_time;
883 	int			rl_imtype;
884 #define	RL_IMTYPE_NONE		0
885 #define	RL_IMTYPE_SIM		1	/* simulated */
886 #define	RL_IMTYPE_HW		2	/* hardware based */
887 };
888 
889 /*
890  * re(4) hardware ip4csum-tx could be mangled with 28 byte or less IP packets
891  */
892 #define RL_IP4CSUMTX_MINLEN	28
893 #define RL_IP4CSUMTX_PADLEN	(ETHER_HDR_LEN + RL_IP4CSUMTX_MINLEN)
894 /*
895  * XXX
896  * We are allocating pad DMA buffer after RX DMA descs for now
897  * because RL_TX_LIST_SZ(sc) always occupies whole page but
898  * RL_RX_LIST_SZ is less than PAGE_SIZE so there is some unused region.
899  */
900 #define RL_RX_DMAMEM_SZ		(RL_RX_LIST_SZ + RL_IP4CSUMTX_PADLEN)
901 #define RL_TXPADOFF		RL_RX_LIST_SZ
902 #define RL_TXPADDADDR(sc)	\
903 	((sc)->rl_ldata.rl_rx_list_map->dm_segs[0].ds_addr + RL_TXPADOFF)
904 
905 /*
906  * register space access macros
907  */
908 #define CSR_WRITE_RAW_4(sc, csr, val) \
909 	bus_space_write_raw_region_4(sc->rl_btag, sc->rl_bhandle, csr, val, 4)
910 #define CSR_WRITE_4(sc, csr, val) \
911 	bus_space_write_4(sc->rl_btag, sc->rl_bhandle, csr, val)
912 #define CSR_WRITE_2(sc, csr, val) \
913 	bus_space_write_2(sc->rl_btag, sc->rl_bhandle, csr, val)
914 #define CSR_WRITE_1(sc, csr, val) \
915 	bus_space_write_1(sc->rl_btag, sc->rl_bhandle, csr, val)
916 
917 #define CSR_READ_4(sc, csr) \
918 	bus_space_read_4(sc->rl_btag, sc->rl_bhandle, csr)
919 #define CSR_READ_2(sc, csr) \
920 	bus_space_read_2(sc->rl_btag, sc->rl_bhandle, csr)
921 #define CSR_READ_1(sc, csr) \
922 	bus_space_read_1(sc->rl_btag, sc->rl_bhandle, csr)
923 
924 #define CSR_SETBIT_1(sc, offset, val)		\
925 	CSR_WRITE_1(sc, offset, CSR_READ_1(sc, offset) | (val))
926 
927 #define CSR_CLRBIT_1(sc, offset, val)		\
928 	CSR_WRITE_1(sc, offset, CSR_READ_1(sc, offset) & ~(val))
929 
930 #define CSR_SETBIT_2(sc, offset, val)		\
931 	CSR_WRITE_2(sc, offset, CSR_READ_2(sc, offset) | (val))
932 
933 #define CSR_CLRBIT_2(sc, offset, val)		\
934 	CSR_WRITE_2(sc, offset, CSR_READ_2(sc, offset) & ~(val))
935 
936 #define CSR_SETBIT_4(sc, offset, val)		\
937 	CSR_WRITE_4(sc, offset, CSR_READ_4(sc, offset) | (val))
938 
939 #define CSR_CLRBIT_4(sc, offset, val)		\
940 	CSR_WRITE_4(sc, offset, CSR_READ_4(sc, offset) & ~(val))
941 
942 #define RL_TIMEOUT		1000
943 #define RL_PHY_TIMEOUT		20
944 
945 /*
946  * General constants that are fun to know.
947  *
948  * Realtek PCI vendor ID
949  */
950 #define	RT_VENDORID				0x10EC
951 
952 /*
953  * Realtek chip device IDs.
954  */
955 #define RT_DEVICEID_8129			0x8129
956 #define RT_DEVICEID_8101E			0x8136
957 #define RT_DEVICEID_8138			0x8138
958 #define RT_DEVICEID_8139			0x8139
959 #define RT_DEVICEID_8169SC			0x8167
960 #define RT_DEVICEID_8168			0x8168
961 #define RT_DEVICEID_8169			0x8169
962 #define RT_DEVICEID_8100			0x8100
963 
964 /*
965  * Accton PCI vendor ID
966  */
967 #define ACCTON_VENDORID				0x1113
968 
969 /*
970  * Accton MPX 5030/5038 device ID.
971  */
972 #define ACCTON_DEVICEID_5030			0x1211
973 
974 /*
975  * Delta Electronics Vendor ID.
976  */
977 #define DELTA_VENDORID				0x1500
978 
979 /*
980  * Delta device IDs.
981  */
982 #define DELTA_DEVICEID_8139			0x1360
983 
984 /*
985  * Addtron vendor ID.
986  */
987 #define ADDTRON_VENDORID			0x4033
988 
989 /*
990  * Addtron device IDs.
991  */
992 #define ADDTRON_DEVICEID_8139			0x1360
993 
994 /* D-Link Vendor ID */
995 #define DLINK_VENDORID				0x1186
996 
997 /* D-Link device IDs */
998 #define DLINK_DEVICEID_8139			0x1300
999 #define DLINK_DEVICEID_8139_2			0x1340
1000 
1001 /* Abocom device IDs */
1002 #define ABOCOM_DEVICEID_8139			0xab06
1003 
1004 /*
1005  * PCI low memory base and low I/O base register, and
1006  * other PCI registers. Note: some are only available on
1007  * the 3c905B, in particular those that related to power management.
1008  */
1009 
1010 #define RL_PCI_VENDOR_ID	0x00
1011 #define RL_PCI_DEVICE_ID	0x02
1012 #define RL_PCI_COMMAND		0x04
1013 #define RL_PCI_STATUS		0x06
1014 #define RL_PCI_CLASSCODE	0x09
1015 #define RL_PCI_LATENCY_TIMER	0x0D
1016 #define RL_PCI_HEADER_TYPE	0x0E
1017 #define RL_PCI_LOIO		0x10
1018 #define RL_PCI_LOMEM		0x14
1019 #define RL_PCI_BIOSROM		0x30
1020 #define RL_PCI_INTLINE		0x3C
1021 #define RL_PCI_INTPIN		0x3D
1022 #define RL_PCI_MINGNT		0x3E
1023 #define RL_PCI_MINLAT		0x0F
1024 #define RL_PCI_PMCSR		0x44
1025 #define RL_PCI_RESETOPT		0x48
1026 #define RL_PCI_EEPROM_DATA	0x4C
1027 
1028 #define RL_PCI_CAPID		0x50 /* 8 bits */
1029 #define RL_PCI_NEXTPTR		0x51 /* 8 bits */
1030 #define RL_PCI_PWRMGMTCAP	0x52 /* 16 bits */
1031 #define RL_PCI_PWRMGMTCTRL	0x54 /* 16 bits */
1032 
1033 #define RL_PSTATE_MASK		0x0003
1034 #define RL_PSTATE_D0		0x0000
1035 #define RL_PSTATE_D1		0x0001
1036 #define RL_PSTATE_D2		0x0002
1037 #define RL_PSTATE_D3		0x0003
1038 #define RL_PME_EN		0x0100
1039 #define RL_PME_STATUS		0x8000
1040 
1041 extern int rl_attach(struct rl_softc *);
1042 extern int rl_intr(void *);
1043 extern void rl_setmulti(struct rl_softc *);
1044 int rl_detach(struct rl_softc *);
1045 int rl_activate(struct device *, int);
1046