xref: /freebsd/sys/dev/lge/if_lgereg.h (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c)
1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
3  *
4  * Copyright (c) 2001 Wind River Systems
5  * Copyright (c) 1997, 1998, 1999, 2000, 2001
6  *	Bill Paul <wpaul@bsdi.com>.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by Bill Paul.
19  * 4. Neither the name of the author nor the names of any co-contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
27  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
33  * THE POSSIBILITY OF SUCH DAMAGE.
34  *
35  * $FreeBSD$
36  */
37 
38 
39 #define LGE_MODE1		0x00	/* CSR00 */
40 #define LGE_MODE2		0x04	/* CSR01 */
41 #define LGE_PPTXBUF_IDX		0x08	/* CSR02 */
42 #define LGE_PRODID		0x0C	/* CSR03 */
43 #define LGE_PPTXBUF_ADDR_LO	0x10	/* CSR04 */
44 #define LGE_PPTXBUF_ADDR_HI	0x14	/* CSR05 */
45 #define LGE_RSVD0		0x18	/* CSR06 */
46 #define LGE_PPRXBUF_IDX		0x1C	/* CSR07 */
47 #define LGE_PPRXBUF_ADDR_LO	0x20	/* CSR08 */
48 #define LGE_PPRXBUF_ADDR_HI	0x24	/* CSR09 */
49 #define LGE_EECTL		0x28	/* CSR10 */
50 #define LGE_CHIPSTS		0x2C	/* CSR11 */
51 #define LGE_TXDESC_ADDR_LO	0x30	/* CSR12 */
52 #define LGE_TXDESC_ADDR_HI	0x34	/* CSR13 */
53 #define LGE_RXDESC_ADDR_LO	0x38	/* CSR14 */
54 #define LGE_RXDESC_ADDR_HI	0x3C	/* CSR15 */
55 #define LGE_PPTXCTL		0x40	/* CSR16 */
56 #define LGE_PPRXCTL		0x44	/* CSR17 */
57 #define LGE_INTR_PERIOD		0x48	/* CSR18 */
58 #define LGE_TXFIFO_PKTCNT	0x4C	/* CSR19 */
59 #define LGE_TXFIFO_LOWAT	0x50	/* CSR20 */
60 #define LGE_TXFIFO_FREEDWORDS	0x54	/* CSR21 */
61 #define LGE_TXFIFO_WRITE	0x58	/* CSR22 */
62 #define LGE_RSVD1		0x5C	/* CSR23 */
63 #define LGE_RXFIFO_READ		0x60	/* CSR24 */
64 #define LGE_RSVD2		0x64	/* CSR25 */
65 #define LGE_RXFIFO_DWORDCNT	0x68	/* CSR26 */
66 #define LGE_RXFIFO_HIWAT	0x6C	/* CSR27 */
67 #define LGE_RXFIFO_PKTCNT	0x70	/* CSR28 */
68 #define LGE_CMD			0x74	/* CSR29 */
69 #define LGE_IMR			0x78	/* CSR30 */
70 #define LGE_RSVD3		0x7C	/* CSR31 */
71 #define LGE_ISR			0x80	/* CSR32 */
72 #define LGE_RSVD4		0x84	/* CSR33 */
73 #define LGE_MAR0		0x88	/* CSR34 */
74 #define LGE_MAR1		0x8C	/* CSR35 */
75 #define LGE_LEDCFG0		0x90	/* CSR36 */
76 #define LGE_LEDCFG1		0x84	/* CSR37 */
77 #define LGE_LEDCFG2		0x98	/* CSR38 */
78 #define LGE_LEDCFG3		0x9C	/* CSR39 */
79 #define LGE_RSVD5		0xA0	/* CSR40 */
80 #define LGE_EEDATA		0xA4	/* CSR41 */
81 #define LGE_PAR0		0xA8	/* CSR42 */
82 #define LGE_PAR1		0xAC	/* CSR43 */
83 #define LGE_GMIICTL		0xB0	/* CSR44 */
84 #define LGE_GMIIMODE		0xB4	/* CSR45 */
85 #define LGE_STATSIDX		0xB8	/* CSR46 */
86 #define LGE_STATSVAL		0xBC	/* CSR47 */
87 #define LGE_VLANCTL		0xC0	/* CSR48 */
88 #define LGE_RSVD6		0xC4	/* CSR49 */
89 #define LGE_RSVD7		0xC8	/* CSR50 */
90 #define LGE_CMDSTS		0xCC	/* CSR51 */
91 #define LGE_FLOWCTL_WAT		0xD0	/* CSR52 */
92 #define LGE_RSVD8		0xD4	/* CSR53 */
93 #define LGE_RSVD9		0xD8	/* CSR54 */
94 #define LGE_RSVD10		0xDC	/* CSR55 */
95 #define LGE_RSVD11		0xE0	/* CSR56 */
96 #define LGE_RSVD12		0xE4	/* CSR57 */
97 #define LGE_TIMER0_CNT		0xE8	/* CSR58 */
98 #define LGE_TIMER0_INT		0xEC	/* CSR59 */
99 #define LGE_TIMER1_CNT		0xF0	/* CSR60 */
100 #define LGE_TIMER1_INT		0xF4	/* CSR61 */
101 #define LGE_DBG_CMD		0xF8	/* CSR62 */
102 #define LGE_DBG_DATA		0xFC	/* CSR63 */
103 
104 
105 /* Mode register 1 */
106 #define LGE_MODE1_SETRST_CTL0	0x00000001
107 #define LGE_MODE1_SOFTRST	0x00000002
108 #define LGE_MODE1_DEBTOD	0x00000004	/* Not documented? */
109 #define LGE_MODE1_TX_FLOWCTL	0x00000008	/* Not documented? */
110 #define LGE_MODE1_RXTXRIO	0x00000010
111 #define LGE_MODE1_GMIIPOLL	0x00000020
112 #define LGE_MODE1_TXPAD		0x00000040
113 #define LGE_MODE1_RMVPAD	0x00000080	/* Not documented? */
114 #define LGE_MODE1_SETRST_CTL1	0x00000100
115 #define LGE_MODE1_TX_ENB	0x00000200
116 #define LGE_MODE1_RX_ENB	0x00000400
117 #define LGE_MODE1_RX_MCAST	0x00000800
118 #define LGE_MODE1_RX_BCAST	0x00001000
119 #define LGE_MODE1_RX_PROMISC	0x00002000
120 #define LGE_MODE1_RX_UCAST	0x00004000
121 #define LGE_MODE1_RX_GIANTS	0x00008000
122 #define LGE_MODE1_SETRST_CTL2	0x00010000
123 #define LGE_MODE1_RX_CRC	0x00020000
124 #define LGE_MODE1_RX_ERRPKTS	0x00040000
125 #define LGE_MODE1_TX_CRC	0x00080000
126 #define LGE_MODE1_DEMDEN	0x00100000	/* Not documented? */
127 #define LGE_MODE1_MPACK_ENB	0x00200000
128 #define LGE_MODE1_MPACK_BCAST	0x00400000
129 #define LGE_MODE1_RX_FLOWCTL	0x00800000
130 #define LGE_MODE1_SETRST_CTL3	0x01000000
131 #define LGE_MODE1_VLAN_RX	0x02000000
132 #define LGE_MODE1_VLAN_TX	0x04000000
133 #define LGE_MODE1_VLAN_STRIP	0x08000000
134 #define LGE_MODE1_VLAN_INSERT	0x10000000
135 #define LGE_MODE1_GPIO_CTL0	0x20000000
136 #define LGE_MODE1_GPIO_CTL1	0x40000000
137 #define LGE_MODE1_RX_LENCHK	0x80000000
138 
139 
140 /* Mode register 2 */
141 #define LGE_MODE2_LOOPBACK	0x000000E0
142 #define LGE_MODE2_RX_IPCSUM	0x00001000
143 #define LGE_MODE2_RX_TCPCSUM	0x00002000
144 #define LGE_MODE2_RX_UDPCSUM	0x00004000
145 #define LGE_MODE2_RX_ERRCSUM	0x00008000
146 
147 
148 /* EEPROM register */
149 #define LGE_EECTL_HAVE_EEPROM	0x00000001
150 #define LGE_EECTL_CMD_READ	0x00000002
151 #define LGE_EECTL_CMD_WRITE	0x00000004
152 #define LGE_EECTL_CSUMERR	0x00000010
153 #define LGE_EECTL_MULTIACCESS	0x00000020
154 #define LGE_EECTL_SINGLEACCESS	0x00000040
155 #define LGE_EECTL_ADDR		0x00001F00
156 #define LGE_EECTL_ROM_TIMING	0x000F0000
157 #define LGE_EECTL_HAVE_FLASH	0x00100000
158 #define LGE_EECTL_WRITEFLASH	0x00200000
159 
160 #define LGE_EE_NODEADDR_0	0x12
161 #define LGE_EE_NODEADDR_1	0x13
162 #define LGE_EE_NODEADDR_2	0x10
163 
164 
165 /* Chip status register */
166 #define LGE_CHIPSTS_HAVETXSPC	0x00000001 /* have room in TX FIFO for pkt */
167 #define LGE_CHIPSTS_HAVERXPKT	0x00000002 /* RX FIFO holds complete pkt */
168 #define LGE_CHIPSTS_FLOWCTL_STS	0x00000004
169 #define LGE_CHIPSTS_GPIO_STS0	0x00000008
170 #define LGE_CHIPSTS_GPIO_STS1	0x00000010
171 #define LGE_CHIPSTS_TXIDLE	0x00000020
172 #define LGE_CHIPSTS_RXIDLE	0x00000040
173 
174 
175 /* TX PacketPropulsion control register */
176 #define LGE_PPTXCTL_BUFLEN	0x0000FFFF
177 #define LGE_PPTXCTL_BUFID	0x003F0000
178 #define LGE_PPTXCTL_WANTINTR	0x01000000
179 
180 
181 /* RX PacketPropulsion control register */
182 #define LGE_PPRXCTL_BUFLEN	0x0000FFFF
183 #define LGE_PPRXCTL_BUFID	0x003F0000
184 #define LGE_PPRXCTL_WANTINTR	0x10000000
185 
186 
187 /* Command register */
188 #define LGE_CMD_SETRST_CTL0	0x00000001
189 #define LGE_CMD_STARTTX		0x00000002
190 #define LGE_CMD_SKIP_RXPKT	0x00000004
191 #define LGE_CMD_DEL_INTREQ	0x00000008
192 #define LGE_CMD_PER_INTREQ	0x00000010
193 #define LGE_CMD_TIMER0		0x00000020
194 #define LGE_CMD_TIMER1		0x00000040
195 
196 
197 /* Interrupt mask register */
198 #define LGE_IMR_SETRST_CTL0	0x00000001
199 #define LGE_IMR_TXCMDFIFO_EMPTY	0x00000002
200 #define LGE_IMR_TXFIFO_WAT	0x00000004
201 #define LGE_IMR_TXDMA_DONE	0x00000008
202 #define LGE_IMR_DELAYEDINTR	0x00000040
203 #define LGE_IMR_INTR_ENB	0x00000080
204 #define LGE_IMR_SETRST_CTL1	0x00000100
205 #define LGE_IMR_RXCMDFIFO_EMPTY	0x00000200
206 #define LGE_IMR_RXFIFO_WAT	0x00000400
207 #define LGE_IMR_RX_DONE		0x00000800
208 #define LGE_IMR_RXDMA_DONE	0x00001000
209 #define LGE_IMR_PHY_INTR	0x00002000
210 #define LGE_IMR_MAGICPKT	0x00004000
211 #define LGE_IMR_SETRST_CTL2	0x00010000
212 #define LGE_IMR_GPIO0		0x00020000
213 #define LGE_IMR_GPIO1		0x00040000
214 #define LGE_IMR_TIMER0		0x00080000
215 #define LGE_IMR_TIMER1		0x00100000
216 
217 
218 #define LGE_INTRS	\
219 	(LGE_IMR_TXCMDFIFO_EMPTY|LGE_IMR_TXDMA_DONE|LGE_IMR_RX_DONE| \
220 	 LGE_IMR_RXCMDFIFO_EMPTY|LGE_IMR_RXDMA_DONE|LGE_IMR_PHY_INTR)
221 
222 
223 /* Interrupt status register */
224 #define LGE_ISR_TXCMDFIFO_EMPTY	0x00000002
225 #define LGE_ISR_TXFIFO_WAT	0x00000004
226 #define LGE_ISR_TXDMA_DONE	0x00000008
227 #define LGE_ISR_DELAYEDINTR	0x00000040
228 #define LGE_ISR_INTR_ENB	0x00000080
229 #define LGE_ISR_RXCMDFIFO_EMPTY	0x00000200
230 #define LGE_ISR_RXFIFO_WAT	0x00000400
231 #define LGE_ISR_RX_DONE		0x00000800
232 #define LGE_ISR_RXDMA_DONE	0x00001000
233 #define LGE_ISR_PHY_INTR	0x00002000
234 #define LGE_ISR_MAGICPKT	0x00004000
235 #define LGE_ISR_GPIO0		0x00020000
236 #define LGE_ISR_GPIO1		0x00040000
237 #define LGE_ISR_TIMER0		0x00080000
238 #define LGE_ISR_TIMER1		0x00100000
239 #define LGE_ISR_RXDMADONE_CNT	0xFF000000
240 #define LGE_RX_DMACNT(x)	((x & LGE_ISR_RXDMADONE_CNT) >> 24)
241 
242 /* LED0 config register */
243 #define LGE_LED0CFG_ENABLE	0x00000002
244 #define LGE_LED0CFG_INPUT_POL	0x00000004
245 #define LGE_LED0CFG_PULSE_EXP	0x00000008
246 #define LGE_LED0CFG_10MBPS	0x00000010
247 #define LGE_LED0CFG_100MBPS	0x00000100
248 #define LGE_LED0CFG_1000MBPS	0x00000200
249 #define LGE_LED0CFG_FDX		0x00000400
250 #define LGE_LED0CFG_ANEG	0x00000800
251 #define LGE_LED0CFG_LINKSTS	0x00001000
252 #define LGE_LED0CFG_RXMATCH	0x00002000
253 #define LGE_LED0CFG_TX		0x00004000
254 #define LGE_LED0CFG_RX		0x00008000
255 #define LGE_LED0CFG_JABBER	0x00010000
256 #define LGE_LED0CFG_COLLISION	0x00020000
257 #define LGE_LED0CFG_CARRIER	0x00040000
258 #define LGE_LED0CFG_LEDOUT	0x10000000
259 
260 
261 /* LED1 config register */
262 #define LGE_LED1CFG_ENABLE	0x00000002
263 #define LGE_LED1CFG_INPUT_POL	0x00000004
264 #define LGE_LED1CFG_PULSE_EXP	0x00000008
265 #define LGE_LED1CFG_10MBPS	0x00000010
266 #define LGE_LED1CFG_100MBPS	0x00000100
267 #define LGE_LED1CFG_1000MBPS	0x00000200
268 #define LGE_LED1CFG_FDX		0x00000400
269 #define LGE_LED1CFG_ANEG	0x00000800
270 #define LGE_LED1CFG_LINKSTS	0x00001000
271 #define LGE_LED1CFG_RXMATCH	0x00002000
272 #define LGE_LED1CFG_TX		0x00004000
273 #define LGE_LED1CFG_RX		0x00008000
274 #define LGE_LED1CFG_JABBER	0x00010000
275 #define LGE_LED1CFG_COLLISION	0x00020000
276 #define LGE_LED1CFG_CARRIER	0x00040000
277 #define LGE_LED1CFG_LEDOUT	0x10000000
278 
279 
280 /* LED2 config register */
281 #define LGE_LED2CFG_ENABLE	0x00000002
282 #define LGE_LED2CFG_INPUT_POL	0x00000004
283 #define LGE_LED2CFG_PULSE_EXP	0x00000008
284 #define LGE_LED2CFG_10MBPS	0x00000010
285 #define LGE_LED2CFG_100MBPS	0x00000100
286 #define LGE_LED2CFG_1000MBPS	0x00000200
287 #define LGE_LED2CFG_FDX		0x00000400
288 #define LGE_LED2CFG_ANEG	0x00000800
289 #define LGE_LED2CFG_LINKSTS	0x00001000
290 #define LGE_LED2CFG_RXMATCH	0x00002000
291 #define LGE_LED2CFG_TX		0x00004000
292 #define LGE_LED2CFG_RX		0x00008000
293 #define LGE_LED2CFG_JABBER	0x00010000
294 #define LGE_LED2CFG_COLLISION	0x00020000
295 #define LGE_LED2CFG_CARRIER	0x00040000
296 #define LGE_LED2CFG_LEDOUT	0x10000000
297 
298 
299 /* GMII PHY access register */
300 #define LGE_GMIICTL_PHYREG	0x0000001F
301 #define LGE_GMIICTL_CMD		0x00000080
302 #define LGE_GMIICTL_PHYADDR	0x00001F00
303 #define LGE_GMIICTL_CMDBUSY	0x00008000
304 #define LGE_GMIICTL_DATA	0xFFFF0000
305 
306 #define LGE_GMIICMD_READ	0x00000000
307 #define LGE_GMIICMD_WRITE	0x00000080
308 
309 /* GMII PHY mode register */
310 #define LGE_GMIIMODE_SPEED	0x00000003
311 #define LGE_GMIIMODE_FDX	0x00000004
312 #define LGE_GMIIMODE_PROTSEL	0x00000100 /* 0 == GMII, 1 == TBI */
313 #define LGE_GMIIMODE_PCSENH	0x00000200
314 
315 #define LGE_SPEED_10		0x00000000
316 #define LGE_SPEED_100		0x00000001
317 #define LGE_SPEED_1000		0x00000002
318 
319 
320 /* VLAN tag control register */
321 #define LGE_VLANCTL_VLID	0x00000FFF
322 #define LGE_VLANCTL_USERPRIO	0x0000E000
323 #define LGE_VLANCTL_TCI_IDX	0x000D0000
324 #define LGE_VLANCTL_TBLCMD	0x00200000
325 
326 
327 /* Command status register */
328 #define LGE_CMDSTS_TXDMADONE	0x000000FF
329 #define LGE_CMDSTS_RXDMADONE	0x0000FF00
330 #define LGE_CMDSTS_TXCMDFREE	0x003F0000
331 #define LGE_CMDSTS_RXCMDFREE	0x3F000000
332 
333 #define LGE_TXDMADONE_8BIT	LGE_CMDSTS
334 #define LGE_RXDMADONE_8BIT	(LGE_CMDSTS + 1)
335 #define LGE_TXCMDFREE_8BIT	(LGE_CMDSTS + 2)
336 #define LGE_RXCMDFREE_8BIT	(LGE_CMDSTS + 3)
337 
338 #define LGE_MAXCMDS		31
339 
340 /* Index for statistics counters. */
341 #define LGE_STATS_TX_PKTS_OK		0x00
342 #define LGE_STATS_SINGLE_COLL_PKTS	0x01
343 #define LGE_STATS_MULTI_COLL_PKTS	0x02
344 #define LGE_STATS_RX_PKTS_OK		0x03
345 #define LGE_STATS_FCS_ERRS		0x04
346 #define LGE_STATS_ALIGN_ERRS		0x05
347 #define LGE_STATS_DROPPED_PKTS		0x06
348 #define LGE_STATS_RX_ERR_PKTS		0x07
349 #define LGE_STATS_TX_ERR_PKTS		0x08
350 #define LGE_STATS_LATE_COLLS		0x09
351 #define LGE_STATS_RX_RUNTS		0x0A
352 #define LGE_STATS_RX_GIANTS		0x0B
353 #define LGE_STATS_VLAN_PKTS_ACCEPT	0x0C
354 #define LGE_STATS_VLAN_PKTS_REJECT	0x0D
355 #define LGE_STATS_IP_CSUM_ERR		0x0E
356 #define LGE_STATS_UDP_CSUM_ERR		0x0F
357 #define LGE_STATS_RANGELEN_ERRS		0x10
358 #define LGE_STATS_TCP_CSUM_ERR		0x11
359 #define LGE_STATS_RSVD0			0x12
360 #define LGE_STATS_TX_EXCESS_COLLS	0x13
361 #define LGE_STATS_RX_UCASTS		0x14
362 #define LGE_STATS_RX_MCASTS		0x15
363 #define LGE_STATS_RX_BCASTS		0x16
364 #define LGE_STATS_RX_PAUSE_PKTS		0x17
365 #define LGE_STATS_TX_PAUSE_PKTS		0x18
366 #define LGE_STATS_TX_PKTS_DEFERRED	0x19
367 #define LGE_STATS_TX_EXCESS_DEFER	0x1A
368 #define LGE_STATS_CARRIER_SENSE_ERR	0x1B
369 
370 
371 /*
372  * RX and TX DMA descriptor structures for scatter/gather.
373  * Each descriptor can have up to 31 fragments in it, however for
374  * RX we only need one fragment, and for transmit we only allocate
375  * 10 in order to reduce the amount of space we need for the
376  * descriptor lists.
377  * Note: descriptor structures must be 64-bit aligned.
378  */
379 
380 struct lge_rx_desc {
381 	/* Hardware descriptor section */
382 	u_int32_t		lge_ctl;
383 	u_int32_t		lge_sts;
384 	u_int32_t		lge_fragptr_lo;
385 	u_int32_t		lge_fragptr_hi;
386 	u_int16_t		lge_fraglen;
387 	u_int16_t		lge_rsvd0;
388 	u_int32_t		lge_rsvd1;
389 	/* Driver software section */
390 	union {
391 		struct mbuf		*lge_mbuf;
392 		u_int64_t		lge_dummy;
393 	} lge_u;
394 };
395 
396 struct lge_frag {
397 	u_int32_t		lge_rsvd0;
398 	u_int32_t		lge_fragptr_lo;
399 	u_int32_t		lge_fragptr_hi;
400 	u_int16_t		lge_fraglen;
401 	u_int16_t		lge_rsvd1;
402 };
403 
404 struct lge_tx_desc {
405 	/* Hardware descriptor section */
406 	u_int32_t		lge_ctl;
407 	struct lge_frag		lge_frags[10];
408 	u_int32_t		lge_rsvd0;
409 	union {
410 		struct mbuf		*lge_mbuf;
411 		u_int64_t		lge_dummy;
412 	} lge_u;
413 };
414 
415 #define lge_mbuf	lge_u.lge_mbuf
416 
417 #define LGE_RXCTL_BUFLEN	0x0000FFFF
418 #define LGE_RXCTL_FRAGCNT	0x001F0000
419 #define LGE_RXCTL_LENERR	0x00400000
420 #define LGE_RXCTL_UCAST		0x00800000
421 #define LGR_RXCTL_BCAST		0x01000000
422 #define LGE_RXCTL_MCAST		0x02000000
423 #define LGE_RXCTL_GIANT		0x04000000
424 #define LGE_RXCTL_OFLOW		0x08000000
425 #define LGE_RXCTL_CRCERR	0x10000000
426 #define LGE_RXCTL_RUNT		0x20000000
427 #define LGE_RXCTL_ALGNERR	0x40000000
428 #define LGE_RXCTL_WANTINTR	0x80000000
429 
430 #define LGE_RXCTL_ERRMASK	\
431 	(LGE_RXCTL_LENERR|LGE_RXCTL_OFLOW|	\
432 	 LGE_RXCTL_CRCERR|LGE_RXCTL_RUNT|	\
433 	 LGE_RXCTL_ALGNERR)
434 
435 #define LGE_RXSTS_VLTBIDX	0x0000000F
436 #define LGE_RXSTS_VLTBLHIT	0x00000010
437 #define LGE_RXSTS_IPCSUMERR	0x00000100
438 #define LGE_RXSTS_TCPCSUMERR	0x00000200
439 #define LGE_RXSTS_UDPCSUMERR	0x00000400
440 #define LGE_RXSTS_ISIP		0x00000800
441 #define LGE_RXSTS_ISTCP		0x00001000
442 #define LGE_RXSTS_ISUDP		0x00002000
443 
444 #define LGE_TXCTL_BUFLEN	0x0000FFFF
445 #define LGE_TXCTL_FRAGCNT	0x001F0000
446 #define LGE_TXCTL_VLTBIDX	0x0F000000
447 #define LGE_TXCTL_VLIS		0x10000000
448 #define LGE_TXCTL_WANTINTR	0x80000000
449 
450 #define LGE_INC(x, y)		(x) = (x + 1) % y
451 #define LGE_FRAGCNT_1		(1<<16)
452 #define LGE_FRAGCNT_10		(10<<16)
453 #define LGE_FRAGCNT(x)		(x<<16)
454 #define LGE_RXBYTES(x)		(x->lge_ctl & 0xFFFF)
455 #define LGE_RXTAIL(x)		\
456 	(x->lge_ldata->lge_rx_list[x->lge_cdata.lge_rx_prod])
457 
458 #define LGE_RX_LIST_CNT		64
459 #define LGE_TX_LIST_CNT		128
460 
461 struct lge_list_data {
462 	struct lge_rx_desc	lge_rx_list[LGE_RX_LIST_CNT];
463 	struct lge_tx_desc	lge_tx_list[LGE_TX_LIST_CNT];
464 };
465 
466 
467 /*
468  * Level 1 PCI vendor ID.
469  */
470 #define LGE_VENDORID		0x1394
471 
472 /*
473  * LXT 1001 PCI device IDs
474  */
475 #define LGE_DEVICEID		0x0001
476 
477 struct lge_type {
478 	u_int16_t		lge_vid;
479 	u_int16_t		lge_did;
480 	const char		*lge_name;
481 };
482 
483 #define LGE_JUMBO_FRAMELEN	9018
484 #define LGE_JUMBO_MTU		(LGE_JUMBO_FRAMELEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
485 #define LGE_JSLOTS		384
486 
487 #define LGE_JRAWLEN (LGE_JUMBO_FRAMELEN + ETHER_ALIGN)
488 #define LGE_JLEN (LGE_JRAWLEN + (sizeof(u_int64_t) - \
489 	(LGE_JRAWLEN % sizeof(u_int64_t))))
490 #define LGE_JPAGESZ PAGE_SIZE
491 #define LGE_RESID (LGE_JPAGESZ - (LGE_JLEN * LGE_JSLOTS) % LGE_JPAGESZ)
492 #define LGE_JMEM ((LGE_JLEN * LGE_JSLOTS) + LGE_RESID)
493 
494 struct lge_jpool_entry {
495 	int				slot;
496 	SLIST_ENTRY(lge_jpool_entry)	jpool_entries;
497 };
498 
499 struct lge_ring_data {
500 	int			lge_rx_prod;
501 	int			lge_rx_cons;
502 	int			lge_tx_prod;
503 	int			lge_tx_cons;
504 	/* Stick the jumbo mem management stuff here too. */
505 	caddr_t			lge_jslots[LGE_JSLOTS];
506 	void			*lge_jumbo_buf;
507 };
508 
509 struct lge_softc {
510 	struct ifnet		*lge_ifp;
511 	device_t		lge_dev;
512 	bus_space_handle_t	lge_bhandle;
513 	bus_space_tag_t		lge_btag;
514 	struct resource		*lge_res;
515 	struct resource		*lge_irq;
516 	void			*lge_intrhand;
517 	device_t		lge_miibus;
518 	u_int8_t		lge_type;
519 	u_int8_t		lge_link;
520 	u_int8_t		lge_pcs;
521 	int			lge_if_flags;
522 	int			lge_timer;
523 	struct lge_list_data	*lge_ldata;
524 	struct lge_ring_data	lge_cdata;
525 	struct callout		lge_stat_callout;
526 	struct mtx		lge_mtx;
527 	SLIST_HEAD(__lge_jfreehead, lge_jpool_entry)	lge_jfree_listhead;
528 	SLIST_HEAD(__lge_jinusehead, lge_jpool_entry)	lge_jinuse_listhead;
529 };
530 
531 /*
532  * register space access macros
533  */
534 #define CSR_WRITE_4(sc, reg, val)	\
535 	bus_space_write_4(sc->lge_btag, sc->lge_bhandle, reg, val)
536 
537 #define CSR_READ_2(sc, reg)		\
538 	bus_space_read_2(sc->lge_btag, sc->lge_bhandle, reg)
539 
540 #define CSR_WRITE_2(sc, reg, val)	\
541 	bus_space_write_2(sc->lge_btag, sc->lge_bhandle, reg, val)
542 
543 #define CSR_READ_4(sc, reg)		\
544 	bus_space_read_4(sc->lge_btag, sc->lge_bhandle, reg)
545 
546 #define CSR_WRITE_1(sc, reg, val)	\
547 	bus_space_write_1(sc->lge_btag, sc->lge_bhandle, reg, val)
548 
549 #define CSR_READ_1(sc, reg)		\
550 	bus_space_read_1(sc->lge_btag, sc->lge_bhandle, reg)
551 
552 #define	LGE_LOCK(sc)		mtx_lock(&(sc)->lge_mtx)
553 #define	LGE_UNLOCK(sc)		mtx_unlock(&(sc)->lge_mtx)
554 #define	LGE_LOCK_ASSERT(sc)	mtx_assert(&(sc)->lge_mtx, MA_OWNED)
555 
556 #define LGE_TIMEOUT		1000
557 #define LGE_RXLEN		1536
558 #define LGE_MIN_FRAMELEN	60
559 
560 /*
561  * PCI low memory base and low I/O base register, and
562  * other PCI registers.
563  */
564 
565 #define LGE_PCI_VENDOR_ID	0x00
566 #define LGE_PCI_DEVICE_ID	0x02
567 #define LGE_PCI_COMMAND		0x04
568 #define LGE_PCI_STATUS		0x06
569 #define LGE_PCI_REVID		0x08
570 #define LGE_PCI_CLASSCODE	0x09
571 #define LGE_PCI_CACHELEN	0x0C
572 #define LGE_PCI_LATENCY_TIMER	0x0D
573 #define LGE_PCI_HEADER_TYPE	0x0E
574 #define LGE_PCI_LOIO		0x10
575 #define LGE_PCI_LOMEM		0x14
576 #define LGE_PCI_BIOSROM		0x30
577 #define LGE_PCI_INTLINE		0x3C
578 #define LGE_PCI_INTPIN		0x3D
579 #define LGE_PCI_MINGNT		0x3E
580 #define LGE_PCI_MINLAT		0x0F
581 #define LGE_PCI_RESETOPT	0x48
582 #define LGE_PCI_EEPROM_DATA	0x4C
583 
584 /* power management registers */
585 #define LGE_PCI_CAPID		0x50 /* 8 bits */
586 #define LGE_PCI_NEXTPTR		0x51 /* 8 bits */
587 #define LGE_PCI_PWRMGMTCAP	0x52 /* 16 bits */
588 #define LGE_PCI_PWRMGMTCTRL	0x54 /* 16 bits */
589 
590 #define LGE_PSTATE_MASK		0x0003
591 #define LGE_PSTATE_D0		0x0000
592 #define LGE_PSTATE_D1		0x0001
593 #define LGE_PSTATE_D2		0x0002
594 #define LGE_PSTATE_D3		0x0003
595 #define LGE_PME_EN		0x0010
596 #define LGE_PME_STATUS		0x8000
597