if_vrreg.h revision 1.25
1/*	$OpenBSD: if_vrreg.h,v 1.25 2009/05/11 07:41:52 sthen 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_vrreg.h,v 1.17 2003/02/01 01:27:05 silby Exp $
35 */
36
37/*
38 * Rhine register definitions.
39 */
40
41#define VR_PAR0			0x00	/* node address 0 to 4 */
42#define VR_PAR1			0x04	/* node address 2 to 6 */
43#define VR_RXCFG		0x06	/* receiver config register */
44#define VR_TXCFG		0x07	/* transmit config register */
45#define VR_COMMAND		0x08	/* command register */
46#define VR_TQWK			0x0A	/* transmit queue wake */
47#define VR_ISR			0x0C	/* interrupt/status register */
48#define VR_IMR			0x0E	/* interrupt mask register */
49#define VR_MAR0			0x10	/* multicast hash 0 */
50#define VR_MAR1			0x14	/* multicast hash 1 */
51#define VR_RXADDR		0x18	/* rx descriptor list start addr */
52#define VR_TXADDR		0x1C	/* tx descriptor list start addr */
53#define VR_CURRXDESC0		0x20
54#define VR_CURRXDESC1		0x24
55#define VR_CURRXDESC2		0x28
56#define VR_CURRXDESC3		0x2C
57#define VR_NEXTRXDESC0		0x30
58#define VR_NEXTRXDESC1		0x34
59#define VR_NEXTRXDESC2		0x38
60#define VR_NEXTRXDESC3		0x3C
61#define VR_CURTXDESC0		0x40
62#define VR_CURTXDESC1		0x44
63#define VR_CURTXDESC2		0x48
64#define VR_CURTXDESC3		0x4C
65#define VR_NEXTTXDESC0		0x50
66#define VR_NEXTTXDESC1		0x54
67#define VR_NEXTTXDESC2		0x58
68#define VR_NEXTTXDESC3		0x5C
69#define VR_CURRXDMA		0x60	/* current RX DMA address */
70#define VR_CURTXDMA		0x64	/* current TX DMA address */
71#define VR_TALLYCNT		0x68	/* tally counter test register */
72#define VR_PHYADDR		0x6C
73#define VR_MIISTAT		0x6D
74#define VR_BCR0			0x6E
75#define VR_BCR1			0x6F
76#define VR_MIICMD		0x70
77#define VR_MIIADDR		0x71
78#define VR_MIIDATA		0x72
79#define VR_EECSR		0x74
80#define VR_TEST			0x75
81#define VR_GPIO			0x76
82#define VR_CONFIG		0x78
83#define VR_MPA_CNT		0x7C
84#define VR_CRC_CNT		0x7E
85#define VR_STICKHW		0x83
86
87/* Misc Registers */
88#define VR_MISC_CR1		0x81
89#define VR_MISCCR1_FORSRST	0x40
90
91/*
92 * RX config bits.
93 */
94#define VR_RXCFG_RX_ERRPKTS	0x01
95#define VR_RXCFG_RX_RUNT	0x02
96#define VR_RXCFG_RX_MULTI	0x04
97#define VR_RXCFG_RX_BROAD	0x08
98#define VR_RXCFG_RX_PROMISC	0x10
99#define VR_RXCFG_RX_THRESH	0xE0
100
101#define VR_RXTHRESH_32BYTES	0x00
102#define VR_RXTHRESH_64BYTES	0x20
103#define VR_RXTHRESH_128BYTES	0x40
104#define VR_RXTHRESH_256BYTES	0x60
105#define VR_RXTHRESH_512BYTES	0x80
106#define VR_RXTHRESH_768BYTES	0xA0
107#define VR_RXTHRESH_1024BYTES	0xC0
108#define VR_RXTHRESH_STORENFWD	0xE0
109
110/*
111 * TX config bits.
112 */
113#define VR_TXCFG_TXTAGEN	0x01	/* 6105M */
114#define VR_TXCFG_LOOPBKMODE	0x06
115#define VR_TXCFG_BACKOFF	0x08
116#define VR_TXCFG_TX_THRESH	0xE0
117
118#define VR_TXTHRESH_32BYTES	0x00
119#define VR_TXTHRESH_64BYTES	0x20
120#define VR_TXTHRESH_128BYTES	0x40
121#define VR_TXTHRESH_256BYTES	0x60
122#define VR_TXTHRESH_512BYTES	0x80
123#define VR_TXTHRESH_768BYTES	0xA0
124#define VR_TXTHRESH_1024BYTES	0xC0
125#define VR_TXTHRESH_STORENFWD	0xE0
126
127/*
128 * Command register bits.
129 */
130#define VR_CMD_INIT		0x0001
131#define VR_CMD_START		0x0002
132#define VR_CMD_STOP		0x0004
133#define VR_CMD_RX_ON		0x0008
134#define VR_CMD_TX_ON		0x0010
135#define	VR_CMD_TX_GO		0x0020
136#define VR_CMD_RX_GO		0x0040
137#define VR_CMD_RSVD		0x0080
138#define VR_CMD_RX_EARLY		0x0100
139#define VR_CMD_TX_EARLY		0x0200
140#define VR_CMD_FULLDUPLEX	0x0400
141#define VR_CMD_TX_NOPOLL	0x0800
142
143#define VR_CMD_RESET		0x8000
144
145/*
146 * Interrupt status bits.
147 */
148#define VR_ISR_RX_OK		0x0001	/* packet rx ok */
149#define VR_ISR_TX_OK		0x0002	/* packet tx ok */
150#define VR_ISR_RX_ERR		0x0004	/* packet rx with err */
151#define VR_ISR_TX_ABRT		0x0008	/* tx aborted due to excess colls */
152#define VR_ISR_TX_UNDERRUN	0x0010	/* tx buffer underflow */
153#define VR_ISR_RX_NOBUF		0x0020	/* no rx buffer available */
154#define VR_ISR_BUSERR		0x0040	/* PCI bus error */
155#define VR_ISR_STATSOFLOW	0x0080	/* stats counter oflow */
156#define VR_ISR_RX_EARLY		0x0100	/* rx early */
157#define VR_ISR_LINKSTAT		0x0200	/* MII status change */
158#define VR_ISR_ETI		0x0200	/* Tx early (3043/3071) */
159#define VR_ISR_UDFI		0x0200	/* Tx FIFO underflow (3065) */
160#define VR_ISR_RX_OFLOW		0x0400	/* rx FIFO overflow */
161#define VR_ISR_RX_DROPPED	0x0800
162#define VR_ISR_RX_NOBUF2	0x1000
163#define VR_ISR_TX_ABRT2		0x2000
164#define VR_ISR_LINKSTAT2	0x4000
165#define VR_ISR_MAGICPACKET	0x8000
166
167/*
168 * Interrupt mask bits.
169 */
170#define VR_IMR_RX_OK		0x0001	/* packet rx ok */
171#define VR_IMR_TX_OK		0x0002	/* packet tx ok */
172#define VR_IMR_RX_ERR		0x0004	/* packet rx with err */
173#define VR_IMR_TX_ABRT		0x0008	/* tx aborted due to excess colls */
174#define VR_IMR_TX_UNDERRUN	0x0010	/* tx buffer underflow */
175#define VR_IMR_RX_NOBUF		0x0020	/* no rx buffer available */
176#define VR_IMR_BUSERR		0x0040	/* PCI bus error */
177#define VR_IMR_STATSOFLOW	0x0080	/* stats counter oflow */
178#define VR_IMR_RX_EARLY		0x0100	/* rx early */
179#define VR_IMR_LINKSTAT		0x0200	/* MII status change */
180#define VR_IMR_RX_OFLOW		0x0400	/* rx FIFO overflow */
181#define VR_IMR_RX_DROPPED	0x0800
182#define VR_IMR_RX_NOBUF2	0x1000
183#define VR_IMR_TX_ABRT2		0x2000
184#define VR_IMR_LINKSTAT2	0x4000
185#define VR_IMR_MAGICPACKET	0x8000
186
187#define VR_INTRS							\
188	(VR_IMR_RX_OK|VR_IMR_TX_OK|VR_IMR_RX_NOBUF|			\
189	VR_IMR_TX_ABRT|VR_IMR_TX_UNDERRUN|VR_IMR_BUSERR|		\
190	VR_IMR_RX_ERR|VR_ISR_RX_DROPPED)
191
192/*
193 * MII status register.
194 */
195
196#define VR_MIISTAT_SPEED	0x01
197#define VR_MIISTAT_LINKFAULT	0x02
198#define VR_MIISTAT_MGTREADERR	0x04
199#define VR_MIISTAT_MIIERR	0x08
200#define VR_MIISTAT_PHYOPT	0x10
201#define VR_MIISTAT_MDC_SPEED	0x20
202#define VR_MIISTAT_RSVD		0x40
203#define VR_MIISTAT_GPIO1POLL	0x80
204
205/*
206 * MII command register bits.
207 */
208#define VR_MIICMD_CLK		0x01
209#define VR_MIICMD_DATAOUT	0x02
210#define VR_MIICMD_DATAIN	0x04
211#define VR_MIICMD_DIR		0x08
212#define VR_MIICMD_DIRECTPGM	0x10
213#define VR_MIICMD_WRITE_ENB	0x20
214#define VR_MIICMD_READ_ENB	0x40
215#define VR_MIICMD_AUTOPOLL	0x80
216
217/*
218 * EEPROM control bits.
219 */
220#define VR_EECSR_DATAIN		0x01	/* data out */
221#define VR_EECSR_DATAOUT	0x02	/* data in */
222#define VR_EECSR_CLK		0x04	/* clock */
223#define VR_EECSR_CS		0x08	/* chip select */
224#define VR_EECSR_DPM		0x10
225#define VR_EECSR_LOAD		0x20
226#define VR_EECSR_EMBP		0x40
227#define VR_EECSR_EEPR		0x80
228
229#define VR_EECMD_WRITE		0x140
230#define VR_EECMD_READ		0x180
231#define VR_EECMD_ERASE		0x1c0
232
233/*
234 * Test register bits.
235 */
236#define VR_TEST_TEST0		0x01
237#define VR_TEST_TEST1		0x02
238#define VR_TEST_TEST2		0x04
239#define VR_TEST_TSTUD		0x08
240#define VR_TEST_TSTOV		0x10
241#define VR_TEST_BKOFF		0x20
242#define VR_TEST_FCOL		0x40
243#define VR_TEST_HBDES		0x80
244
245/*
246 * Config register bits.
247 */
248#define VR_CFG_PREACPIWAKE	0x00000001	/* pre-acpi wake */
249#define VR_CFG_ABNORMALWAKE	0x00000002	/* abnormal shut down wake */
250#define VR_CFG_RSVD0		0x00000004
251#define VR_CFG_LED0		0x00000008
252#define VR_CFG_LED1		0x00000010
253#define VR_CFG_TAGCRC		0x00000020	/* 6105M tag in CRC */
254#define VR_CFG_MIIOPT		0x00000040	/* MII extension clock */
255#define VR_CFG_EELOAD		0x00000080	/* enable EEPROM programming */
256#define VR_CFG_LATMENB		0x00000100	/* larency timer effect enb. */
257#define VR_CFG_MRREADWAIT	0x00000200
258#define VR_CFG_MRWRITEWAIT	0x00000400
259#define VR_CFG_RX_ARB		0x00000800
260#define VR_CFG_TX_ARB		0x00001000
261#define VR_CFG_READMULTI	0x00002000
262#define VR_CFG_TX_PACE		0x00004000
263#define VR_CFG_TX_QDIS		0x00008000
264#define VR_CFG_ROMSEL0		0x00010000
265#define VR_CFG_ROMSEL1		0x00020000
266#define VR_CFG_ROMSEL2		0x00040000
267#define VR_CFG_ROMTIMESEL	0x00080000
268#define VR_CFG_RSVD1		0x00100000
269#define VR_CFG_ROMDLY		0x00200000
270#define VR_CFG_ROMOPT		0x00400000
271#define VR_CFG_RSVD2		0x00800000
272#define VR_CFG_BACKOFFOPT	0x01000000
273#define VR_CFG_BACKOFFMOD	0x02000000
274#define VR_CFG_CAPEFFECT	0x04000000
275#define VR_CFG_BACKOFFRAND	0x08000000
276#define VR_CFG_MAGICKPACKET	0x10000000
277#define VR_CFG_PCIREADLINE	0x20000000
278#define VR_CFG_DIAG		0x40000000
279#define VR_CFG_GPIOEN		0x80000000
280
281/* Sticky HW bits */
282#define VR_STICKHW_DS0		0x01
283#define VR_STICKHW_DS1		0x02
284#define VR_STICKHW_WOL_ENB	0x04
285#define VR_STICKHW_WOL_STS	0x08
286#define VR_STICKHW_LEGWOL_ENB	0x80
287
288/*
289 * BCR0 register bits. (At least for the VT6102 chip.)
290 */
291#define VR_BCR0_DMA_LENGTH      0x07
292
293#define VR_BCR0_DMA_32BYTES     0x00
294#define VR_BCR0_DMA_64BYTES     0x01
295#define VR_BCR0_DMA_128BYTES    0x02
296#define VR_BCR0_DMA_256BYTES    0x03
297#define VR_BCR0_DMA_512BYTES    0x04
298#define VR_BCR0_DMA_1024BYTES   0x05
299#define VR_BCR0_DMA_STORENFWD   0x07
300
301#define VR_BCR0_RX_THRESH       0x38
302
303#define VR_BCR0_RXTHRESHCFG     0x00
304#define VR_BCR0_RXTHRESH64BYTES 0x08
305#define VR_BCR0_RXTHRESH128BYTES 0x10
306#define VR_BCR0_RXTHRESH256BYTES 0x18
307#define VR_BCR0_RXTHRESH512BYTES 0x20
308#define VR_BCR0_RXTHRESH1024BYTES 0x28
309#define VR_BCR0_RXTHRESHSTORENFWD 0x38
310#define VR_BCR0_EXTLED          0x40
311#define VR_BCR0_MED2            0x80
312
313/*
314 * BCR1 register bits. (At least for the VT6102 chip.)
315 */
316#define VR_BCR1_POT0            0x01
317#define VR_BCR1_POT1            0x02
318#define VR_BCR1_POT2            0x04
319#define VR_BCR1_TX_THRESH       0x38
320#define VR_BCR1_TXTHRESHCFG     0x00
321#define VR_BCR1_TXTHRESH64BYTES 0x08
322#define VR_BCR1_TXTHRESH128BYTES 0x10
323#define VR_BCR1_TXTHRESH256BYTES 0x18
324#define VR_BCR1_TXTHRESH512BYTES 0x20
325#define VR_BCR1_TXTHRESH1024BYTES 0x28
326#define VR_BCR1_TXTHRESHSTORENFWD 0x38
327#define VR_BCR1_VLANFILT_ENB	0x80		/* 6105M */
328
329/*
330 * Rhine TX/RX list structure.
331 */
332
333struct vr_desc {
334	u_int32_t		vr_status;
335	u_int32_t		vr_ctl;
336	u_int32_t		vr_data;
337	u_int32_t		vr_next;
338};
339
340#define VR_RXSTAT_RXERR		0x00000001
341#define VR_RXSTAT_CRCERR	0x00000002
342#define VR_RXSTAT_FRAMEALIGNERR	0x00000004
343#define VR_RXSTAT_FIFOOFLOW	0x00000008
344#define VR_RXSTAT_GIANT		0x00000010
345#define VR_RXSTAT_RUNT		0x00000020
346#define VR_RXSTAT_BUSERR	0x00000040
347#define VR_RXSTAT_FRAG		0x00000040	/* 6105M */
348#define VR_RXSTAT_BUFFERR	0x00000080
349#define VR_RXSTAT_LASTFRAG	0x00000100
350#define VR_RXSTAT_FIRSTFRAG	0x00000200
351#define VR_RXSTAT_RLINK		0x00000400
352#define VR_RXSTAT_RX_PHYS	0x00000800
353#define VR_RXSTAT_RX_BROAD	0x00001000
354#define VR_RXSTAT_RX_MULTI	0x00002000
355#define VR_RXSTAT_RX_VIDHIT	0x00004000	/* 6105M */
356#define VR_RXSTAT_RX_OK		0x00008000
357#define VR_RXSTAT_RXLEN		0x07FF0000
358#define VR_RXSTAT_RXLEN_EXT	0x78000000
359#define VR_RXSTAT_OWN		0x80000000
360
361#define VR_RXBYTES(x)		((x & VR_RXSTAT_RXLEN) >> 16)
362#define VR_RXSTAT (VR_RXSTAT_FIRSTFRAG|VR_RXSTAT_LASTFRAG|VR_RXSTAT_OWN)
363
364#define VR_RXCTL_BUFLEN		0x000007FF
365#define VR_RXCTL_BUFLEN_EXT	0x00007800
366#define VR_RXCTL_CHAIN		0x00008000
367#define VR_RXCTL_TAG		0x00010000
368#define VR_RXCTL_UDP		0x00020000
369#define VR_RXCTL_TCP		0x00040000
370#define VR_RXCTL_IP		0x00080000
371#define VR_RXCTL_TCPUDPOK	0x00100000
372#define VR_RXCTL_IPOK		0x00200000
373#define VR_RXCTL_SNAPTAG	0x00400000
374#define VR_RXCTL_RXLERR		0x00800000	/* 6105M */
375#define VR_RXCTL_RX_INTR	0x00800000
376
377#define VR_RXCTL (VR_RXCTL_CHAIN|VR_RXCTL_RX_INTR)
378
379#define VR_TXSTAT_DEFER		0x00000001
380#define VR_TXSTAT_UNDERRUN	0x00000002
381#define VR_TXSTAT_COLLCNT	0x00000078
382#define VR_TXSTAT_SQE		0x00000080
383#define VR_TXSTAT_ABRT		0x00000100
384#define VR_TXSTAT_LATECOLL	0x00000200
385#define VR_TXSTAT_CARRLOST	0x00000400
386#define VR_TXSTAT_UDF		0x00000800
387#define VR_TXSTAT_BUSERR	0x00002000
388#define VR_TXSTAT_JABTIMEO	0x00004000
389#define VR_TXSTAT_ERRSUM	0x00008000
390#define VR_TXSTAT_PQMASK	0x7FFF0000
391#define VR_TXSTAT_OWN		0x80000000
392
393#define VR_TXCTL_BUFLEN		0x000007FF
394#define VR_TXCTL_BUFLEN_EXT	0x00007800
395#define VR_TXCTL_TLINK		0x00008000
396#define VR_TXCTL_NOCRC		0x00010000
397#define VR_TXCTL_INSERTTAG	0x00020000
398#define VR_TXCTL_IPCSUM		0x00040000
399#define VR_TXCTL_UDPCSUM	0x00080000
400#define VR_TXCTL_TCPCSUM	0x00100000
401#define VR_TXCTL_FIRSTFRAG	0x00200000
402#define VR_TXCTL_LASTFRAG	0x00400000
403#define VR_TXCTL_FINT		0x00800000
404
405#define VR_MAXFRAGS		16
406#define VR_RX_LIST_CNT		64
407#define VR_TX_LIST_CNT		128
408#define VR_MIN_FRAMELEN		60
409#define VR_RXLEN		1524
410
411#define VR_TXOWN(x)		x->vr_ptr->vr_status
412
413struct vr_list_data {
414	struct vr_desc		vr_rx_list[VR_RX_LIST_CNT];
415	struct vr_desc		vr_tx_list[VR_TX_LIST_CNT];
416};
417
418struct vr_chain {
419	struct vr_desc		*vr_ptr;
420	struct mbuf		*vr_mbuf;
421	struct vr_chain		*vr_nextdesc;
422	bus_addr_t		vr_paddr;
423	bus_dmamap_t		vr_map;
424};
425
426struct vr_chain_onefrag {
427	struct vr_desc		*vr_ptr;
428	struct vr_chain_onefrag	*vr_nextdesc;
429	struct mbuf 		*vr_mbuf;
430	bus_addr_t		vr_paddr;
431	bus_dmamap_t		vr_map;
432};
433
434struct vr_chain_data {
435	struct vr_chain_onefrag	vr_rx_chain[VR_RX_LIST_CNT];
436	struct vr_chain		vr_tx_chain[VR_TX_LIST_CNT];
437
438	struct vr_chain_onefrag	*vr_rx_head;
439
440	struct vr_chain		*vr_tx_cons;
441	struct vr_chain		*vr_tx_prod;
442};
443
444struct vr_mii_frame {
445	u_int8_t		mii_stdelim;
446	u_int8_t		mii_opcode;
447	u_int8_t		mii_phyaddr;
448	u_int8_t		mii_regaddr;
449	u_int8_t		mii_turnaround;
450	u_int16_t		mii_data;
451};
452
453/*
454 * MII constants
455 */
456#define VR_MII_STARTDELIM	0x01
457#define VR_MII_READOP		0x02
458#define VR_MII_WRITEOP		0x01
459#define VR_MII_TURNAROUND	0x02
460
461#define VR_FLAG_FORCEDELAY	1
462#define VR_FLAG_SCHEDDELAY	2
463#define VR_FLAG_DELAYTIMEO	3
464
465struct vr_softc {
466	struct device		sc_dev;		/* generic device structure */
467	void *			sc_ih;		/* interrupt handler cookie */
468	struct arpcom		arpcom;		/* interface info */
469	bus_space_handle_t	vr_bhandle;	/* bus space handle */
470	bus_space_tag_t		vr_btag;	/* bus space tag */
471	bus_dma_tag_t		sc_dmat;
472	struct vr_type		*vr_info;	/* Rhine adapter info */
473	u_int8_t		vr_revid;	/* Rhine chip revision */
474	u_int8_t		vr_flags;	/* See VR_F_* below */
475	struct vr_list_data	*vr_ldata;
476	struct vr_chain_data	vr_cdata;
477	struct mii_data		sc_mii;
478	struct timeout		sc_to;
479	bus_dmamap_t		sc_listmap;	/* descriptor list map */
480	bus_dma_segment_t	sc_listseg;
481	int			sc_if_flags;
482	int			sc_rxbufs;
483	int			vr_link;
484	int			vr_quirks;
485};
486
487#define VR_F_RESTART		0x01		/* Restart unit on next tick */
488
489/*
490 * register space access macros
491 */
492#define CSR_WRITE_4(sc, reg, val)	\
493	bus_space_write_4(sc->vr_btag, sc->vr_bhandle, reg, val)
494#define CSR_WRITE_2(sc, reg, val)	\
495	bus_space_write_2(sc->vr_btag, sc->vr_bhandle, reg, val)
496#define CSR_WRITE_1(sc, reg, val)	\
497	bus_space_write_1(sc->vr_btag, sc->vr_bhandle, reg, val)
498
499#define CSR_READ_4(sc, reg)		\
500	bus_space_read_4(sc->vr_btag, sc->vr_bhandle, reg)
501#define CSR_READ_2(sc, reg)		\
502	bus_space_read_2(sc->vr_btag, sc->vr_bhandle, reg)
503#define CSR_READ_1(sc, reg)		\
504	bus_space_read_1(sc->vr_btag, sc->vr_bhandle, reg)
505
506#define VR_TIMEOUT		1000
507
508/*
509 * VIA Rhine revision IDs
510 */
511
512#define REV_ID_VT3043_E			0x04
513#define REV_ID_VT3071_A			0x20
514#define REV_ID_VT3071_B			0x21
515#define REV_ID_VT3065_A			0x40
516#define REV_ID_VT3065_B			0x41
517#define REV_ID_VT3065_C			0x42
518#define REV_ID_VT6102_APOLLO		0x74
519#define REV_ID_VT6103			0x78
520#define REV_ID_VT3106			0x80
521#define REV_ID_VT3106_J			0x80	/* 0x80-0x8F */
522#define REV_ID_VT3106_S			0x90	/* 0x90-0xA0 */
523#define REV_ID_VT6105M_A0		0x90
524#define REV_ID_VT6105M_B1		0x94
525
526/*
527 * PCI low memory base and low I/O base register, and
528 * other PCI registers.
529 */
530
531#define VR_PCI_VENDOR_ID	0x00
532#define VR_PCI_DEVICE_ID	0x02
533#define VR_PCI_COMMAND		0x04
534#define VR_PCI_STATUS		0x06
535#define VR_PCI_REVID		0x08
536#define VR_PCI_CLASSCODE	0x09
537#define VR_PCI_LATENCY_TIMER	0x0D
538#define VR_PCI_HEADER_TYPE	0x0E
539#define VR_PCI_LOIO		0x10
540#define VR_PCI_LOMEM		0x14
541#define VR_PCI_BIOSROM		0x30
542#define VR_PCI_INTLINE		0x3C
543#define VR_PCI_INTPIN		0x3D
544#define VR_PCI_MINGNT		0x3E
545#define VR_PCI_MINLAT		0x0F
546#define VR_PCI_RESETOPT		0x48
547#define VR_PCI_EEPROM_DATA	0x4C
548#define VR_PCI_MODE		0x50
549
550#define VR_MODE3_MIION		0x04
551
552/* power management registers */
553#define VR_PCI_CAPID		0xDC /* 8 bits */
554#define VR_PCI_NEXTPTR		0xDD /* 8 bits */
555#define VR_PCI_PWRMGMTCAP	0xDE /* 16 bits */
556#define VR_PCI_PWRMGMTCTRL	0xE0 /* 16 bits */
557
558#define VR_PSTATE_MASK		0x0003
559#define VR_PSTATE_D0		0x0000
560#define VR_PSTATE_D1		0x0002
561#define VR_PSTATE_D2		0x0002
562#define VR_PSTATE_D3		0x0003
563#define VR_PME_EN		0x0010
564#define VR_PME_STATUS		0x8000
565