xref: /freebsd/sys/dev/lge/if_lgereg.h (revision 3f0164abf32b9b761e0a2cb4bdca3a8b84f156d4)
1 /*-
2  * Copyright (c) 2001 Wind River Systems
3  * Copyright (c) 1997, 1998, 1999, 2000, 2001
4  *	Bill Paul <wpaul@bsdi.com>.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *	This product includes software developed by Bill Paul.
17  * 4. Neither the name of the author nor the names of any co-contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31  * THE POSSIBILITY OF SUCH DAMAGE.
32  *
33  * $FreeBSD$
34  */
35 
36 
37 #define LGE_MODE1		0x00	/* CSR00 */
38 #define LGE_MODE2		0x04	/* CSR01 */
39 #define LGE_PPTXBUF_IDX		0x08	/* CSR02 */
40 #define LGE_PRODID		0x0C	/* CSR03 */
41 #define LGE_PPTXBUF_ADDR_LO	0x10	/* CSR04 */
42 #define LGE_PPTXBUF_ADDR_HI	0x14	/* CSR05 */
43 #define LGE_RSVD0		0x18	/* CSR06 */
44 #define LGE_PPRXBUF_IDX		0x1C	/* CSR07 */
45 #define LGE_PPRXBUF_ADDR_LO	0x20	/* CSR08 */
46 #define LGE_PPRXBUF_ADDR_HI	0x24	/* CSR09 */
47 #define LGE_EECTL		0x28	/* CSR10 */
48 #define LGE_CHIPSTS		0x2C	/* CSR11 */
49 #define LGE_TXDESC_ADDR_LO	0x30	/* CSR12 */
50 #define LGE_TXDESC_ADDR_HI	0x34	/* CSR13 */
51 #define LGE_RXDESC_ADDR_LO	0x38	/* CSR14 */
52 #define LGE_RXDESC_ADDR_HI	0x3C	/* CSR15 */
53 #define LGE_PPTXCTL		0x40	/* CSR16 */
54 #define LGE_PPRXCTL		0x44	/* CSR17 */
55 #define LGE_INTR_PERIOD		0x48	/* CSR18 */
56 #define LGE_TXFIFO_PKTCNT	0x4C	/* CSR19 */
57 #define LGE_TXFIFO_LOWAT	0x50	/* CSR20 */
58 #define LGE_TXFIFO_FREEDWORDS	0x54	/* CSR21 */
59 #define LGE_TXFIFO_WRITE	0x58	/* CSR22 */
60 #define LGE_RSVD1		0x5C	/* CSR23 */
61 #define LGE_RXFIFO_READ		0x60	/* CSR24 */
62 #define LGE_RSVD2		0x64	/* CSR25 */
63 #define LGE_RXFIFO_DWORDCNT	0x68	/* CSR26 */
64 #define LGE_RXFIFO_HIWAT	0x6C	/* CSR27 */
65 #define LGE_RXFIFO_PKTCNT	0x70	/* CSR28 */
66 #define LGE_CMD			0x74	/* CSR29 */
67 #define LGE_IMR			0x78	/* CSR30 */
68 #define LGE_RSVD3		0x7C	/* CSR31 */
69 #define LGE_ISR			0x80	/* CSR32 */
70 #define LGE_RSVD4		0x84	/* CSR33 */
71 #define LGE_MAR0		0x88	/* CSR34 */
72 #define LGE_MAR1		0x8C	/* CSR35 */
73 #define LGE_LEDCFG0		0x90	/* CSR36 */
74 #define LGE_LEDCFG1		0x84	/* CSR37 */
75 #define LGE_LEDCFG2		0x98	/* CSR38 */
76 #define LGE_LEDCFG3		0x9C	/* CSR39 */
77 #define LGE_RSVD5		0xA0	/* CSR40 */
78 #define LGE_EEDATA		0xA4	/* CSR41 */
79 #define LGE_PAR0		0xA8	/* CSR42 */
80 #define LGE_PAR1		0xAC	/* CSR43 */
81 #define LGE_GMIICTL		0xB0	/* CSR44 */
82 #define LGE_GMIIMODE		0xB4	/* CSR45 */
83 #define LGE_STATSIDX		0xB8	/* CSR46 */
84 #define LGE_STATSVAL		0xBC	/* CSR47 */
85 #define LGE_VLANCTL		0xC0	/* CSR48 */
86 #define LGE_RSVD6		0xC4	/* CSR49 */
87 #define LGE_RSVD7		0xC8	/* CSR50 */
88 #define LGE_CMDSTS		0xCC	/* CSR51 */
89 #define LGE_FLOWCTL_WAT		0xD0	/* CSR52 */
90 #define LGE_RSVD8		0xD4	/* CSR53 */
91 #define LGE_RSVD9		0xD8	/* CSR54 */
92 #define LGE_RSVD10		0xDC	/* CSR55 */
93 #define LGE_RSVD11		0xE0	/* CSR56 */
94 #define LGE_RSVD12		0xE4	/* CSR57 */
95 #define LGE_TIMER0_CNT		0xE8	/* CSR58 */
96 #define LGE_TIMER0_INT		0xEC	/* CSR59 */
97 #define LGE_TIMER1_CNT		0xF0	/* CSR60 */
98 #define LGE_TIMER1_INT		0xF4	/* CSR61 */
99 #define LGE_DBG_CMD		0xF8	/* CSR62 */
100 #define LGE_DBG_DATA		0xFC	/* CSR63 */
101 
102 
103 /* Mode register 1 */
104 #define LGE_MODE1_SETRST_CTL0	0x00000001
105 #define LGE_MODE1_SOFTRST	0x00000002
106 #define LGE_MODE1_DEBTOD	0x00000004	/* Not documented? */
107 #define LGE_MODE1_TX_FLOWCTL	0x00000008	/* Not documented? */
108 #define LGE_MODE1_RXTXRIO	0x00000010
109 #define LGE_MODE1_GMIIPOLL	0x00000020
110 #define LGE_MODE1_TXPAD		0x00000040
111 #define LGE_MODE1_RMVPAD	0x00000080	/* Not documented? */
112 #define LGE_MODE1_SETRST_CTL1	0x00000100
113 #define LGE_MODE1_TX_ENB	0x00000200
114 #define LGE_MODE1_RX_ENB	0x00000400
115 #define LGE_MODE1_RX_MCAST	0x00000800
116 #define LGE_MODE1_RX_BCAST	0x00001000
117 #define LGE_MODE1_RX_PROMISC	0x00002000
118 #define LGE_MODE1_RX_UCAST	0x00004000
119 #define LGE_MODE1_RX_GIANTS	0x00008000
120 #define LGE_MODE1_SETRST_CTL2	0x00010000
121 #define LGE_MODE1_RX_CRC	0x00020000
122 #define LGE_MODE1_RX_ERRPKTS	0x00040000
123 #define LGE_MODE1_TX_CRC	0x00080000
124 #define LGE_MODE1_DEMDEN	0x00100000	/* Not documented? */
125 #define LGE_MODE1_MPACK_ENB	0x00200000
126 #define LGE_MODE1_MPACK_BCAST	0x00400000
127 #define LGE_MODE1_RX_FLOWCTL	0x00800000
128 #define LGE_MODE1_SETRST_CTL3	0x01000000
129 #define LGE_MODE1_VLAN_RX	0x02000000
130 #define LGE_MODE1_VLAN_TX	0x04000000
131 #define LGE_MODE1_VLAN_STRIP	0x08000000
132 #define LGE_MODE1_VLAN_INSERT	0x10000000
133 #define LGE_MODE1_GPIO_CTL0	0x20000000
134 #define LGE_MODE1_GPIO_CTL1	0x40000000
135 #define LGE_MODE1_RX_LENCHK	0x80000000
136 
137 
138 /* Mode register 2 */
139 #define LGE_MODE2_LOOPBACK	0x000000E0
140 #define LGE_MODE2_RX_IPCSUM	0x00001000
141 #define LGE_MODE2_RX_TCPCSUM	0x00002000
142 #define LGE_MODE2_RX_UDPCSUM	0x00004000
143 #define LGE_MODE2_RX_ERRCSUM	0x00008000
144 
145 
146 /* EEPROM register */
147 #define LGE_EECTL_HAVE_EEPROM	0x00000001
148 #define LGE_EECTL_CMD_READ	0x00000002
149 #define LGE_EECTL_CMD_WRITE	0x00000004
150 #define LGE_EECTL_CSUMERR	0x00000010
151 #define LGE_EECTL_MULTIACCESS	0x00000020
152 #define LGE_EECTL_SINGLEACCESS	0x00000040
153 #define LGE_EECTL_ADDR		0x00001F00
154 #define LGE_EECTL_ROM_TIMING	0x000F0000
155 #define LGE_EECTL_HAVE_FLASH	0x00100000
156 #define LGE_EECTL_WRITEFLASH	0x00200000
157 
158 #define LGE_EE_NODEADDR_0	0x12
159 #define LGE_EE_NODEADDR_1	0x13
160 #define LGE_EE_NODEADDR_2	0x10
161 
162 
163 /* Chip status register */
164 #define LGE_CHIPSTS_HAVETXSPC	0x00000001 /* have room in TX FIFO for pkt */
165 #define LGE_CHIPSTS_HAVERXPKT	0x00000002 /* RX FIFO holds complete pkt */
166 #define LGE_CHIPSTS_FLOWCTL_STS	0x00000004
167 #define LGE_CHIPSTS_GPIO_STS0	0x00000008
168 #define LGE_CHIPSTS_GPIO_STS1	0x00000010
169 #define LGE_CHIPSTS_TXIDLE	0x00000020
170 #define LGE_CHIPSTS_RXIDLE	0x00000040
171 
172 
173 /* TX PacketPropulsion control register */
174 #define LGE_PPTXCTL_BUFLEN	0x0000FFFF
175 #define LGE_PPTXCTL_BUFID	0x003F0000
176 #define LGE_PPTXCTL_WANTINTR	0x01000000
177 
178 
179 /* RX PacketPropulsion control register */
180 #define LGE_PPRXCTL_BUFLEN	0x0000FFFF
181 #define LGE_PPRXCTL_BUFID	0x003F0000
182 #define LGE_PPRXCTL_WANTINTR	0x10000000
183 
184 
185 /* Command register */
186 #define LGE_CMD_SETRST_CTL0	0x00000001
187 #define LGE_CMD_STARTTX		0x00000002
188 #define LGE_CMD_SKIP_RXPKT	0x00000004
189 #define LGE_CMD_DEL_INTREQ	0x00000008
190 #define LGE_CMD_PER_INTREQ	0x00000010
191 #define LGE_CMD_TIMER0		0x00000020
192 #define LGE_CMD_TIMER1		0x00000040
193 
194 
195 /* Interrupt mask register */
196 #define LGE_IMR_SETRST_CTL0	0x00000001
197 #define LGE_IMR_TXCMDFIFO_EMPTY	0x00000002
198 #define LGE_IMR_TXFIFO_WAT	0x00000004
199 #define LGE_IMR_TXDMA_DONE	0x00000008
200 #define LGE_IMR_DELAYEDINTR	0x00000040
201 #define LGE_IMR_INTR_ENB	0x00000080
202 #define LGE_IMR_SETRST_CTL1	0x00000100
203 #define LGE_IMR_RXCMDFIFO_EMPTY	0x00000200
204 #define LGE_IMR_RXFIFO_WAT	0x00000400
205 #define LGE_IMR_RX_DONE		0x00000800
206 #define LGE_IMR_RXDMA_DONE	0x00001000
207 #define LGE_IMR_PHY_INTR	0x00002000
208 #define LGE_IMR_MAGICPKT	0x00004000
209 #define LGE_IMR_SETRST_CTL2	0x00010000
210 #define LGE_IMR_GPIO0		0x00020000
211 #define LGE_IMR_GPIO1		0x00040000
212 #define LGE_IMR_TIMER0		0x00080000
213 #define LGE_IMR_TIMER1		0x00100000
214 
215 
216 #define LGE_INTRS	\
217 	(LGE_IMR_TXCMDFIFO_EMPTY|LGE_IMR_TXDMA_DONE|LGE_IMR_RX_DONE| \
218 	 LGE_IMR_RXCMDFIFO_EMPTY|LGE_IMR_RXDMA_DONE|LGE_IMR_PHY_INTR)
219 
220 
221 /* Interrupt status register */
222 #define LGE_ISR_TXCMDFIFO_EMPTY	0x00000002
223 #define LGE_ISR_TXFIFO_WAT	0x00000004
224 #define LGE_ISR_TXDMA_DONE	0x00000008
225 #define LGE_ISR_DELAYEDINTR	0x00000040
226 #define LGE_ISR_INTR_ENB	0x00000080
227 #define LGE_ISR_RXCMDFIFO_EMPTY	0x00000200
228 #define LGE_ISR_RXFIFO_WAT	0x00000400
229 #define LGE_ISR_RX_DONE		0x00000800
230 #define LGE_ISR_RXDMA_DONE	0x00001000
231 #define LGE_ISR_PHY_INTR	0x00002000
232 #define LGE_ISR_MAGICPKT	0x00004000
233 #define LGE_ISR_GPIO0		0x00020000
234 #define LGE_ISR_GPIO1		0x00040000
235 #define LGE_ISR_TIMER0		0x00080000
236 #define LGE_ISR_TIMER1		0x00100000
237 #define LGE_ISR_RXDMADONE_CNT	0xFF000000
238 #define LGE_RX_DMACNT(x)	((x & LGE_ISR_RXDMADONE_CNT) >> 24)
239 
240 /* LED0 config register */
241 #define LGE_LED0CFG_ENABLE	0x00000002
242 #define LGE_LED0CFG_INPUT_POL	0x00000004
243 #define LGE_LED0CFG_PULSE_EXP	0x00000008
244 #define LGE_LED0CFG_10MBPS	0x00000010
245 #define LGE_LED0CFG_100MBPS	0x00000100
246 #define LGE_LED0CFG_1000MBPS	0x00000200
247 #define LGE_LED0CFG_FDX		0x00000400
248 #define LGE_LED0CFG_ANEG	0x00000800
249 #define LGE_LED0CFG_LINKSTS	0x00001000
250 #define LGE_LED0CFG_RXMATCH	0x00002000
251 #define LGE_LED0CFG_TX		0x00004000
252 #define LGE_LED0CFG_RX		0x00008000
253 #define LGE_LED0CFG_JABBER	0x00010000
254 #define LGE_LED0CFG_COLLISION	0x00020000
255 #define LGE_LED0CFG_CARRIER	0x00040000
256 #define LGE_LED0CFG_LEDOUT	0x10000000
257 
258 
259 /* LED1 config register */
260 #define LGE_LED1CFG_ENABLE	0x00000002
261 #define LGE_LED1CFG_INPUT_POL	0x00000004
262 #define LGE_LED1CFG_PULSE_EXP	0x00000008
263 #define LGE_LED1CFG_10MBPS	0x00000010
264 #define LGE_LED1CFG_100MBPS	0x00000100
265 #define LGE_LED1CFG_1000MBPS	0x00000200
266 #define LGE_LED1CFG_FDX		0x00000400
267 #define LGE_LED1CFG_ANEG	0x00000800
268 #define LGE_LED1CFG_LINKSTS	0x00001000
269 #define LGE_LED1CFG_RXMATCH	0x00002000
270 #define LGE_LED1CFG_TX		0x00004000
271 #define LGE_LED1CFG_RX		0x00008000
272 #define LGE_LED1CFG_JABBER	0x00010000
273 #define LGE_LED1CFG_COLLISION	0x00020000
274 #define LGE_LED1CFG_CARRIER	0x00040000
275 #define LGE_LED1CFG_LEDOUT	0x10000000
276 
277 
278 /* LED2 config register */
279 #define LGE_LED2CFG_ENABLE	0x00000002
280 #define LGE_LED2CFG_INPUT_POL	0x00000004
281 #define LGE_LED2CFG_PULSE_EXP	0x00000008
282 #define LGE_LED2CFG_10MBPS	0x00000010
283 #define LGE_LED2CFG_100MBPS	0x00000100
284 #define LGE_LED2CFG_1000MBPS	0x00000200
285 #define LGE_LED2CFG_FDX		0x00000400
286 #define LGE_LED2CFG_ANEG	0x00000800
287 #define LGE_LED2CFG_LINKSTS	0x00001000
288 #define LGE_LED2CFG_RXMATCH	0x00002000
289 #define LGE_LED2CFG_TX		0x00004000
290 #define LGE_LED2CFG_RX		0x00008000
291 #define LGE_LED2CFG_JABBER	0x00010000
292 #define LGE_LED2CFG_COLLISION	0x00020000
293 #define LGE_LED2CFG_CARRIER	0x00040000
294 #define LGE_LED2CFG_LEDOUT	0x10000000
295 
296 
297 /* GMII PHY access register */
298 #define LGE_GMIICTL_PHYREG	0x0000001F
299 #define LGE_GMIICTL_CMD		0x00000080
300 #define LGE_GMIICTL_PHYADDR	0x00001F00
301 #define LGE_GMIICTL_CMDBUSY	0x00008000
302 #define LGE_GMIICTL_DATA	0xFFFF0000
303 
304 #define LGE_GMIICMD_READ	0x00000000
305 #define LGE_GMIICMD_WRITE	0x00000080
306 
307 /* GMII PHY mode register */
308 #define LGE_GMIIMODE_SPEED	0x00000003
309 #define LGE_GMIIMODE_FDX	0x00000004
310 #define LGE_GMIIMODE_PROTSEL	0x00000100 /* 0 == GMII, 1 == TBI */
311 #define LGE_GMIIMODE_PCSENH	0x00000200
312 
313 #define LGE_SPEED_10		0x00000000
314 #define LGE_SPEED_100		0x00000001
315 #define LGE_SPEED_1000		0x00000002
316 
317 
318 /* VLAN tag control register */
319 #define LGE_VLANCTL_VLID	0x00000FFF
320 #define LGE_VLANCTL_USERPRIO	0x0000E000
321 #define LGE_VLANCTL_TCI_IDX	0x000D0000
322 #define LGE_VLANCTL_TBLCMD	0x00200000
323 
324 
325 /* Command status register */
326 #define LGE_CMDSTS_TXDMADONE	0x000000FF
327 #define LGE_CMDSTS_RXDMADONE	0x0000FF00
328 #define LGE_CMDSTS_TXCMDFREE	0x003F0000
329 #define LGE_CMDSTS_RXCMDFREE	0x3F000000
330 
331 #define LGE_TXDMADONE_8BIT	LGE_CMDSTS
332 #define LGE_RXDMADONE_8BIT	(LGE_CMDSTS + 1)
333 #define LGE_TXCMDFREE_8BIT	(LGE_CMDSTS + 2)
334 #define LGE_RXCMDFREE_8BIT	(LGE_CMDSTS + 3)
335 
336 #define LGE_MAXCMDS		31
337 
338 /* Index for statistics counters. */
339 #define LGE_STATS_TX_PKTS_OK		0x00
340 #define LGE_STATS_SINGLE_COLL_PKTS	0x01
341 #define LGE_STATS_MULTI_COLL_PKTS	0x02
342 #define LGE_STATS_RX_PKTS_OK		0x03
343 #define LGE_STATS_FCS_ERRS		0x04
344 #define LGE_STATS_ALIGN_ERRS		0x05
345 #define LGE_STATS_DROPPED_PKTS		0x06
346 #define LGE_STATS_RX_ERR_PKTS		0x07
347 #define LGE_STATS_TX_ERR_PKTS		0x08
348 #define LGE_STATS_LATE_COLLS		0x09
349 #define LGE_STATS_RX_RUNTS		0x0A
350 #define LGE_STATS_RX_GIANTS		0x0B
351 #define LGE_STATS_VLAN_PKTS_ACCEPT	0x0C
352 #define LGE_STATS_VLAN_PKTS_REJECT	0x0D
353 #define LGE_STATS_IP_CSUM_ERR		0x0E
354 #define LGE_STATS_UDP_CSUM_ERR		0x0F
355 #define LGE_STATS_RANGELEN_ERRS		0x10
356 #define LGE_STATS_TCP_CSUM_ERR		0x11
357 #define LGE_STATS_RSVD0			0x12
358 #define LGE_STATS_TX_EXCESS_COLLS	0x13
359 #define LGE_STATS_RX_UCASTS		0x14
360 #define LGE_STATS_RX_MCASTS		0x15
361 #define LGE_STATS_RX_BCASTS		0x16
362 #define LGE_STATS_RX_PAUSE_PKTS		0x17
363 #define LGE_STATS_TX_PAUSE_PKTS		0x18
364 #define LGE_STATS_TX_PKTS_DEFERRED	0x19
365 #define LGE_STATS_TX_EXCESS_DEFER	0x1A
366 #define LGE_STATS_CARRIER_SENSE_ERR	0x1B
367 
368 
369 /*
370  * RX and TX DMA descriptor structures for scatter/gather.
371  * Each descriptor can have up to 31 fragments in it, however for
372  * RX we only need one fragment, and for transmit we only allocate
373  * 10 in order to reduce the amount of space we need for the
374  * descriptor lists.
375  * Note: descriptor structures must be 64-bit aligned.
376  */
377 
378 struct lge_rx_desc {
379 	/* Hardware descriptor section */
380 	u_int32_t		lge_ctl;
381 	u_int32_t		lge_sts;
382 	u_int32_t		lge_fragptr_lo;
383 	u_int32_t		lge_fragptr_hi;
384 	u_int16_t		lge_fraglen;
385 	u_int16_t		lge_rsvd0;
386 	u_int32_t		lge_rsvd1;
387 	/* Driver software section */
388 	union {
389 		struct mbuf		*lge_mbuf;
390 		u_int64_t		lge_dummy;
391 	} lge_u;
392 };
393 
394 struct lge_frag {
395 	u_int32_t		lge_rsvd0;
396 	u_int32_t		lge_fragptr_lo;
397 	u_int32_t		lge_fragptr_hi;
398 	u_int16_t		lge_fraglen;
399 	u_int16_t		lge_rsvd1;
400 };
401 
402 struct lge_tx_desc {
403 	/* Hardware descriptor section */
404 	u_int32_t		lge_ctl;
405 	struct lge_frag		lge_frags[10];
406 	u_int32_t		lge_rsvd0;
407 	union {
408 		struct mbuf		*lge_mbuf;
409 		u_int64_t		lge_dummy;
410 	} lge_u;
411 };
412 
413 #define lge_mbuf	lge_u.lge_mbuf
414 
415 #define LGE_RXCTL_BUFLEN	0x0000FFFF
416 #define LGE_RXCTL_FRAGCNT	0x001F0000
417 #define LGE_RXCTL_LENERR	0x00400000
418 #define LGE_RXCTL_UCAST		0x00800000
419 #define LGR_RXCTL_BCAST		0x01000000
420 #define LGE_RXCTL_MCAST		0x02000000
421 #define LGE_RXCTL_GIANT		0x04000000
422 #define LGE_RXCTL_OFLOW		0x08000000
423 #define LGE_RXCTL_CRCERR	0x10000000
424 #define LGE_RXCTL_RUNT		0x20000000
425 #define LGE_RXCTL_ALGNERR	0x40000000
426 #define LGE_RXCTL_WANTINTR	0x80000000
427 
428 #define LGE_RXCTL_ERRMASK	\
429 	(LGE_RXCTL_LENERR|LGE_RXCTL_OFLOW|	\
430 	 LGE_RXCTL_CRCERR|LGE_RXCTL_RUNT|	\
431 	 LGE_RXCTL_ALGNERR)
432 
433 #define LGE_RXSTS_VLTBIDX	0x0000000F
434 #define LGE_RXSTS_VLTBLHIT	0x00000010
435 #define LGE_RXSTS_IPCSUMERR	0x00000100
436 #define LGE_RXSTS_TCPCSUMERR	0x00000200
437 #define LGE_RXSTS_UDPCSUMERR	0x00000400
438 #define LGE_RXSTS_ISIP		0x00000800
439 #define LGE_RXSTS_ISTCP		0x00001000
440 #define LGE_RXSTS_ISUDP		0x00002000
441 
442 #define LGE_TXCTL_BUFLEN	0x0000FFFF
443 #define LGE_TXCTL_FRAGCNT	0x001F0000
444 #define LGE_TXCTL_VLTBIDX	0x0F000000
445 #define LGE_TXCTL_VLIS		0x10000000
446 #define LGE_TXCTL_WANTINTR	0x80000000
447 
448 #define LGE_INC(x, y)		(x) = (x + 1) % y
449 #define LGE_FRAGCNT_1		(1<<16)
450 #define LGE_FRAGCNT_10		(10<<16)
451 #define LGE_FRAGCNT(x)		(x<<16)
452 #define LGE_RXBYTES(x)		(x->lge_ctl & 0xFFFF)
453 #define LGE_RXTAIL(x)		\
454 	(x->lge_ldata->lge_rx_list[x->lge_cdata.lge_rx_prod])
455 
456 #define LGE_RX_LIST_CNT		64
457 #define LGE_TX_LIST_CNT		128
458 
459 struct lge_list_data {
460 	struct lge_rx_desc	lge_rx_list[LGE_RX_LIST_CNT];
461 	struct lge_tx_desc	lge_tx_list[LGE_TX_LIST_CNT];
462 };
463 
464 
465 /*
466  * Level 1 PCI vendor ID.
467  */
468 #define LGE_VENDORID		0x1394
469 
470 /*
471  * LXT 1001 PCI device IDs
472  */
473 #define LGE_DEVICEID		0x0001
474 
475 struct lge_type {
476 	u_int16_t		lge_vid;
477 	u_int16_t		lge_did;
478 	const char		*lge_name;
479 };
480 
481 #define LGE_JUMBO_FRAMELEN	9018
482 #define LGE_JUMBO_MTU		(LGE_JUMBO_FRAMELEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
483 #define LGE_JSLOTS		384
484 
485 #define LGE_JRAWLEN (LGE_JUMBO_FRAMELEN + ETHER_ALIGN)
486 #define LGE_JLEN (LGE_JRAWLEN + (sizeof(u_int64_t) - \
487 	(LGE_JRAWLEN % sizeof(u_int64_t))))
488 #define LGE_JPAGESZ PAGE_SIZE
489 #define LGE_RESID (LGE_JPAGESZ - (LGE_JLEN * LGE_JSLOTS) % LGE_JPAGESZ)
490 #define LGE_JMEM ((LGE_JLEN * LGE_JSLOTS) + LGE_RESID)
491 
492 struct lge_jpool_entry {
493 	int				slot;
494 	SLIST_ENTRY(lge_jpool_entry)	jpool_entries;
495 };
496 
497 struct lge_ring_data {
498 	int			lge_rx_prod;
499 	int			lge_rx_cons;
500 	int			lge_tx_prod;
501 	int			lge_tx_cons;
502 	/* Stick the jumbo mem management stuff here too. */
503 	caddr_t			lge_jslots[LGE_JSLOTS];
504 	void			*lge_jumbo_buf;
505 };
506 
507 struct lge_softc {
508 	struct ifnet		*lge_ifp;
509 	device_t		lge_dev;
510 	bus_space_handle_t	lge_bhandle;
511 	bus_space_tag_t		lge_btag;
512 	struct resource		*lge_res;
513 	struct resource		*lge_irq;
514 	void			*lge_intrhand;
515 	device_t		lge_miibus;
516 	u_int8_t		lge_type;
517 	u_int8_t		lge_link;
518 	u_int8_t		lge_pcs;
519 	int			lge_if_flags;
520 	int			lge_timer;
521 	struct lge_list_data	*lge_ldata;
522 	struct lge_ring_data	lge_cdata;
523 	struct callout		lge_stat_callout;
524 	struct mtx		lge_mtx;
525 	SLIST_HEAD(__lge_jfreehead, lge_jpool_entry)	lge_jfree_listhead;
526 	SLIST_HEAD(__lge_jinusehead, lge_jpool_entry)	lge_jinuse_listhead;
527 };
528 
529 /*
530  * register space access macros
531  */
532 #define CSR_WRITE_4(sc, reg, val)	\
533 	bus_space_write_4(sc->lge_btag, sc->lge_bhandle, reg, val)
534 
535 #define CSR_READ_2(sc, reg)		\
536 	bus_space_read_2(sc->lge_btag, sc->lge_bhandle, reg)
537 
538 #define CSR_WRITE_2(sc, reg, val)	\
539 	bus_space_write_2(sc->lge_btag, sc->lge_bhandle, reg, val)
540 
541 #define CSR_READ_4(sc, reg)		\
542 	bus_space_read_4(sc->lge_btag, sc->lge_bhandle, reg)
543 
544 #define CSR_WRITE_1(sc, reg, val)	\
545 	bus_space_write_1(sc->lge_btag, sc->lge_bhandle, reg, val)
546 
547 #define CSR_READ_1(sc, reg)		\
548 	bus_space_read_1(sc->lge_btag, sc->lge_bhandle, reg)
549 
550 #define	LGE_LOCK(sc)		mtx_lock(&(sc)->lge_mtx)
551 #define	LGE_UNLOCK(sc)		mtx_unlock(&(sc)->lge_mtx)
552 #define	LGE_LOCK_ASSERT(sc)	mtx_assert(&(sc)->lge_mtx, MA_OWNED)
553 
554 #define LGE_TIMEOUT		1000
555 #define LGE_RXLEN		1536
556 #define LGE_MIN_FRAMELEN	60
557 
558 /*
559  * PCI low memory base and low I/O base register, and
560  * other PCI registers.
561  */
562 
563 #define LGE_PCI_VENDOR_ID	0x00
564 #define LGE_PCI_DEVICE_ID	0x02
565 #define LGE_PCI_COMMAND		0x04
566 #define LGE_PCI_STATUS		0x06
567 #define LGE_PCI_REVID		0x08
568 #define LGE_PCI_CLASSCODE	0x09
569 #define LGE_PCI_CACHELEN	0x0C
570 #define LGE_PCI_LATENCY_TIMER	0x0D
571 #define LGE_PCI_HEADER_TYPE	0x0E
572 #define LGE_PCI_LOIO		0x10
573 #define LGE_PCI_LOMEM		0x14
574 #define LGE_PCI_BIOSROM		0x30
575 #define LGE_PCI_INTLINE		0x3C
576 #define LGE_PCI_INTPIN		0x3D
577 #define LGE_PCI_MINGNT		0x3E
578 #define LGE_PCI_MINLAT		0x0F
579 #define LGE_PCI_RESETOPT	0x48
580 #define LGE_PCI_EEPROM_DATA	0x4C
581 
582 /* power management registers */
583 #define LGE_PCI_CAPID		0x50 /* 8 bits */
584 #define LGE_PCI_NEXTPTR		0x51 /* 8 bits */
585 #define LGE_PCI_PWRMGMTCAP	0x52 /* 16 bits */
586 #define LGE_PCI_PWRMGMTCTRL	0x54 /* 16 bits */
587 
588 #define LGE_PSTATE_MASK		0x0003
589 #define LGE_PSTATE_D0		0x0000
590 #define LGE_PSTATE_D1		0x0001
591 #define LGE_PSTATE_D2		0x0002
592 #define LGE_PSTATE_D3		0x0003
593 #define LGE_PME_EN		0x0010
594 #define LGE_PME_STATUS		0x8000
595