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
380struct 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
396struct 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
404struct 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
461struct 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
477struct 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
494struct lge_jpool_entry {
495	int				slot;
496	SLIST_ENTRY(lge_jpool_entry)	jpool_entries;
497};
498
499struct 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
509struct 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