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1/*
2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3 * All rights reserved.
4 *
5 * This software may be redistributed and/or modified under
6 * the terms of the GNU General Public License as published by the Free
7 * Software Foundation; either version 2 of the License, or
8 * any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * for more details.
14 *
15 * File: via-velocity.h
16 *
17 * Purpose: Header file to define driver's private structures.
18 *
19 * Author: Chuang Liang-Shing, AJ Jiang
20 *
21 * Date: Jan 24, 2003
22 */
23
24
25#ifndef VELOCITY_H
26#define VELOCITY_H
27
28#define VELOCITY_TX_CSUM_SUPPORT
29
30#define VELOCITY_NAME          "via-velocity"
31#define VELOCITY_FULL_DRV_NAM  "VIA Networking Velocity Family Gigabit Ethernet Adapter Driver"
32#define VELOCITY_VERSION       "1.15"
33
34#define VELOCITY_IO_SIZE	256
35#define VELOCITY_NAPI_WEIGHT	64
36
37#define PKT_BUF_SZ          1540
38
39#define MAX_UNITS           8
40#define OPTION_DEFAULT      { [0 ... MAX_UNITS-1] = -1}
41
42#define REV_ID_VT6110       (0)
43
44#define BYTE_REG_BITS_ON(x,p)       do { writeb(readb((p))|(x),(p));} while (0)
45#define WORD_REG_BITS_ON(x,p)       do { writew(readw((p))|(x),(p));} while (0)
46#define DWORD_REG_BITS_ON(x,p)      do { writel(readl((p))|(x),(p));} while (0)
47
48#define BYTE_REG_BITS_IS_ON(x,p)    (readb((p)) & (x))
49#define WORD_REG_BITS_IS_ON(x,p)    (readw((p)) & (x))
50#define DWORD_REG_BITS_IS_ON(x,p)   (readl((p)) & (x))
51
52#define BYTE_REG_BITS_OFF(x,p)      do { writeb(readb((p)) & (~(x)),(p));} while (0)
53#define WORD_REG_BITS_OFF(x,p)      do { writew(readw((p)) & (~(x)),(p));} while (0)
54#define DWORD_REG_BITS_OFF(x,p)     do { writel(readl((p)) & (~(x)),(p));} while (0)
55
56#define BYTE_REG_BITS_SET(x,m,p)    do { writeb( (readb((p)) & (~(m))) |(x),(p));} while (0)
57#define WORD_REG_BITS_SET(x,m,p)    do { writew( (readw((p)) & (~(m))) |(x),(p));} while (0)
58#define DWORD_REG_BITS_SET(x,m,p)   do { writel( (readl((p)) & (~(m)))|(x),(p));}  while (0)
59
60#define VAR_USED(p)     do {(p)=(p);} while (0)
61
62/*
63 * Purpose: Structures for MAX RX/TX descriptors.
64 */
65
66
67#define B_OWNED_BY_CHIP     1
68#define B_OWNED_BY_HOST     0
69
70/*
71 * Bits in the RSR0 register
72 */
73
74#define RSR_DETAG	cpu_to_le16(0x0080)
75#define RSR_SNTAG	cpu_to_le16(0x0040)
76#define RSR_RXER	cpu_to_le16(0x0020)
77#define RSR_RL		cpu_to_le16(0x0010)
78#define RSR_CE		cpu_to_le16(0x0008)
79#define RSR_FAE		cpu_to_le16(0x0004)
80#define RSR_CRC		cpu_to_le16(0x0002)
81#define RSR_VIDM	cpu_to_le16(0x0001)
82
83/*
84 * Bits in the RSR1 register
85 */
86
87#define RSR_RXOK	cpu_to_le16(0x8000) // rx OK
88#define RSR_PFT		cpu_to_le16(0x4000) // Perfect filtering address match
89#define RSR_MAR		cpu_to_le16(0x2000) // MAC accept multicast address packet
90#define RSR_BAR		cpu_to_le16(0x1000) // MAC accept broadcast address packet
91#define RSR_PHY		cpu_to_le16(0x0800) // MAC accept physical address packet
92#define RSR_VTAG	cpu_to_le16(0x0400) // 802.1p/1q tagging packet indicator
93#define RSR_STP		cpu_to_le16(0x0200) // start of packet
94#define RSR_EDP		cpu_to_le16(0x0100) // end of packet
95
96/*
97 * Bits in the CSM register
98 */
99
100#define CSM_IPOK            0x40	//IP Checksum validation ok
101#define CSM_TUPOK           0x20	//TCP/UDP Checksum validation ok
102#define CSM_FRAG            0x10	//Fragment IP datagram
103#define CSM_IPKT            0x04	//Received an IP packet
104#define CSM_TCPKT           0x02	//Received a TCP packet
105#define CSM_UDPKT           0x01	//Received a UDP packet
106
107/*
108 * Bits in the TSR0 register
109 */
110
111#define TSR0_ABT	cpu_to_le16(0x0080) // Tx abort because of excessive collision
112#define TSR0_OWT	cpu_to_le16(0x0040) // Jumbo frame Tx abort
113#define TSR0_OWC	cpu_to_le16(0x0020) // Out of window collision
114#define TSR0_COLS	cpu_to_le16(0x0010) // experience collision in this transmit event
115#define TSR0_NCR3	cpu_to_le16(0x0008) // collision retry counter[3]
116#define TSR0_NCR2	cpu_to_le16(0x0004) // collision retry counter[2]
117#define TSR0_NCR1	cpu_to_le16(0x0002) // collision retry counter[1]
118#define TSR0_NCR0	cpu_to_le16(0x0001) // collision retry counter[0]
119#define TSR0_TERR	cpu_to_le16(0x8000) //
120#define TSR0_FDX	cpu_to_le16(0x4000) // current transaction is serviced by full duplex mode
121#define TSR0_GMII	cpu_to_le16(0x2000) // current transaction is serviced by GMII mode
122#define TSR0_LNKFL	cpu_to_le16(0x1000) // packet serviced during link down
123#define TSR0_SHDN	cpu_to_le16(0x0400) // shutdown case
124#define TSR0_CRS	cpu_to_le16(0x0200) // carrier sense lost
125#define TSR0_CDH	cpu_to_le16(0x0100) // AQE test fail (CD heartbeat)
126
127//
128// Bits in the TCR0 register
129//
130#define TCR0_TIC            0x80	// assert interrupt immediately while descriptor has been send complete
131#define TCR0_PIC            0x40	// priority interrupt request, INA# is issued over adaptive interrupt scheme
132#define TCR0_VETAG          0x20	// enable VLAN tag
133#define TCR0_IPCK           0x10	// request IP  checksum calculation.
134#define TCR0_UDPCK          0x08	// request UDP checksum calculation.
135#define TCR0_TCPCK          0x04	// request TCP checksum calculation.
136#define TCR0_JMBO           0x02	// indicate a jumbo packet in GMAC side
137#define TCR0_CRC            0x01	// disable CRC generation
138
139#define TCPLS_NORMAL        3
140#define TCPLS_START         2
141#define TCPLS_END           1
142#define TCPLS_MED           0
143
144
145// max transmit or receive buffer size
146#define CB_RX_BUF_SIZE     2048UL	// max buffer size
147					// NOTE: must be multiple of 4
148
149#define CB_MAX_RD_NUM       512	// MAX # of RD
150#define CB_MAX_TD_NUM       256	// MAX # of TD
151
152#define CB_INIT_RD_NUM_3119 128	// init # of RD, for setup VT3119
153#define CB_INIT_TD_NUM_3119 64	// init # of TD, for setup VT3119
154
155#define CB_INIT_RD_NUM      128	// init # of RD, for setup default
156#define CB_INIT_TD_NUM      64	// init # of TD, for setup default
157
158// for 3119
159#define CB_TD_RING_NUM      4	// # of TD rings.
160#define CB_MAX_SEG_PER_PKT  7	// max data seg per packet (Tx)
161
162
163/*
164 *	If collisions excess 15 times , tx will abort, and
165 *	if tx fifo underflow, tx will fail
166 *	we should try to resend it
167 */
168
169#define CB_MAX_TX_ABORT_RETRY   3
170
171/*
172 *	Receive descriptor
173 */
174
175struct rdesc0 {
176	__le16 RSR;		/* Receive status */
177	__le16 len;		/* bits 0--13; bit 15 - owner */
178};
179
180struct rdesc1 {
181	__le16 PQTAG;
182	u8 CSM;
183	u8 IPKT;
184};
185
186enum {
187	RX_INTEN = cpu_to_le16(0x8000)
188};
189
190struct rx_desc {
191	struct rdesc0 rdesc0;
192	struct rdesc1 rdesc1;
193	__le32 pa_low;		/* Low 32 bit PCI address */
194	__le16 pa_high;		/* Next 16 bit PCI address (48 total) */
195	__le16 size;		/* bits 0--14 - frame size, bit 15 - enable int. */
196} __packed;
197
198/*
199 *	Transmit descriptor
200 */
201
202struct tdesc0 {
203	__le16 TSR;		/* Transmit status register */
204	__le16 len;		/* bits 0--13 - size of frame, bit 15 - owner */
205};
206
207struct tdesc1 {
208	__le16 vlan;
209	u8 TCR;
210	u8 cmd;			/* bits 0--1 - TCPLS, bits 4--7 - CMDZ */
211} __packed;
212
213enum {
214	TD_QUEUE = cpu_to_le16(0x8000)
215};
216
217struct td_buf {
218	__le32 pa_low;
219	__le16 pa_high;
220	__le16 size;		/* bits 0--13 - size, bit 15 - queue */
221} __packed;
222
223struct tx_desc {
224	struct tdesc0 tdesc0;
225	struct tdesc1 tdesc1;
226	struct td_buf td_buf[7];
227};
228
229struct velocity_rd_info {
230	struct sk_buff *skb;
231	dma_addr_t skb_dma;
232};
233
234/*
235 *	Used to track transmit side buffers.
236 */
237
238struct velocity_td_info {
239	struct sk_buff *skb;
240	int nskb_dma;
241	dma_addr_t skb_dma[7];
242};
243
244enum  velocity_owner {
245	OWNED_BY_HOST = 0,
246	OWNED_BY_NIC = cpu_to_le16(0x8000)
247};
248
249
250/*
251 *	MAC registers and macros.
252 */
253
254
255#define MCAM_SIZE           64
256#define VCAM_SIZE           64
257#define TX_QUEUE_NO         4
258
259#define MAX_HW_MIB_COUNTER  32
260#define VELOCITY_MIN_MTU    (64)
261#define VELOCITY_MAX_MTU    (9000)
262
263/*
264 *	Registers in the MAC
265 */
266
267#define MAC_REG_PAR         0x00	// physical address
268#define MAC_REG_RCR         0x06
269#define MAC_REG_TCR         0x07
270#define MAC_REG_CR0_SET     0x08
271#define MAC_REG_CR1_SET     0x09
272#define MAC_REG_CR2_SET     0x0A
273#define MAC_REG_CR3_SET     0x0B
274#define MAC_REG_CR0_CLR     0x0C
275#define MAC_REG_CR1_CLR     0x0D
276#define MAC_REG_CR2_CLR     0x0E
277#define MAC_REG_CR3_CLR     0x0F
278#define MAC_REG_MAR         0x10
279#define MAC_REG_CAM         0x10
280#define MAC_REG_DEC_BASE_HI 0x18
281#define MAC_REG_DBF_BASE_HI 0x1C
282#define MAC_REG_ISR_CTL     0x20
283#define MAC_REG_ISR_HOTMR   0x20
284#define MAC_REG_ISR_TSUPTHR 0x20
285#define MAC_REG_ISR_RSUPTHR 0x20
286#define MAC_REG_ISR_CTL1    0x21
287#define MAC_REG_TXE_SR      0x22
288#define MAC_REG_RXE_SR      0x23
289#define MAC_REG_ISR         0x24
290#define MAC_REG_ISR0        0x24
291#define MAC_REG_ISR1        0x25
292#define MAC_REG_ISR2        0x26
293#define MAC_REG_ISR3        0x27
294#define MAC_REG_IMR         0x28
295#define MAC_REG_IMR0        0x28
296#define MAC_REG_IMR1        0x29
297#define MAC_REG_IMR2        0x2A
298#define MAC_REG_IMR3        0x2B
299#define MAC_REG_TDCSR_SET   0x30
300#define MAC_REG_RDCSR_SET   0x32
301#define MAC_REG_TDCSR_CLR   0x34
302#define MAC_REG_RDCSR_CLR   0x36
303#define MAC_REG_RDBASE_LO   0x38
304#define MAC_REG_RDINDX      0x3C
305#define MAC_REG_TDBASE_LO   0x40
306#define MAC_REG_RDCSIZE     0x50
307#define MAC_REG_TDCSIZE     0x52
308#define MAC_REG_TDINDX      0x54
309#define MAC_REG_TDIDX0      0x54
310#define MAC_REG_TDIDX1      0x56
311#define MAC_REG_TDIDX2      0x58
312#define MAC_REG_TDIDX3      0x5A
313#define MAC_REG_PAUSE_TIMER 0x5C
314#define MAC_REG_RBRDU       0x5E
315#define MAC_REG_FIFO_TEST0  0x60
316#define MAC_REG_FIFO_TEST1  0x64
317#define MAC_REG_CAMADDR     0x68
318#define MAC_REG_CAMCR       0x69
319#define MAC_REG_GFTEST      0x6A
320#define MAC_REG_FTSTCMD     0x6B
321#define MAC_REG_MIICFG      0x6C
322#define MAC_REG_MIISR       0x6D
323#define MAC_REG_PHYSR0      0x6E
324#define MAC_REG_PHYSR1      0x6F
325#define MAC_REG_MIICR       0x70
326#define MAC_REG_MIIADR      0x71
327#define MAC_REG_MIIDATA     0x72
328#define MAC_REG_SOFT_TIMER0 0x74
329#define MAC_REG_SOFT_TIMER1 0x76
330#define MAC_REG_CFGA        0x78
331#define MAC_REG_CFGB        0x79
332#define MAC_REG_CFGC        0x7A
333#define MAC_REG_CFGD        0x7B
334#define MAC_REG_DCFG0       0x7C
335#define MAC_REG_DCFG1       0x7D
336#define MAC_REG_MCFG0       0x7E
337#define MAC_REG_MCFG1       0x7F
338
339#define MAC_REG_TBIST       0x80
340#define MAC_REG_RBIST       0x81
341#define MAC_REG_PMCC        0x82
342#define MAC_REG_STICKHW     0x83
343#define MAC_REG_MIBCR       0x84
344#define MAC_REG_EERSV       0x85
345#define MAC_REG_REVID       0x86
346#define MAC_REG_MIBREAD     0x88
347#define MAC_REG_BPMA        0x8C
348#define MAC_REG_EEWR_DATA   0x8C
349#define MAC_REG_BPMD_WR     0x8F
350#define MAC_REG_BPCMD       0x90
351#define MAC_REG_BPMD_RD     0x91
352#define MAC_REG_EECHKSUM    0x92
353#define MAC_REG_EECSR       0x93
354#define MAC_REG_EERD_DATA   0x94
355#define MAC_REG_EADDR       0x96
356#define MAC_REG_EMBCMD      0x97
357#define MAC_REG_JMPSR0      0x98
358#define MAC_REG_JMPSR1      0x99
359#define MAC_REG_JMPSR2      0x9A
360#define MAC_REG_JMPSR3      0x9B
361#define MAC_REG_CHIPGSR     0x9C
362#define MAC_REG_TESTCFG     0x9D
363#define MAC_REG_DEBUG       0x9E
364#define MAC_REG_CHIPGCR     0x9F
365#define MAC_REG_WOLCR0_SET  0xA0
366#define MAC_REG_WOLCR1_SET  0xA1
367#define MAC_REG_PWCFG_SET   0xA2
368#define MAC_REG_WOLCFG_SET  0xA3
369#define MAC_REG_WOLCR0_CLR  0xA4
370#define MAC_REG_WOLCR1_CLR  0xA5
371#define MAC_REG_PWCFG_CLR   0xA6
372#define MAC_REG_WOLCFG_CLR  0xA7
373#define MAC_REG_WOLSR0_SET  0xA8
374#define MAC_REG_WOLSR1_SET  0xA9
375#define MAC_REG_WOLSR0_CLR  0xAC
376#define MAC_REG_WOLSR1_CLR  0xAD
377#define MAC_REG_PATRN_CRC0  0xB0
378#define MAC_REG_PATRN_CRC1  0xB2
379#define MAC_REG_PATRN_CRC2  0xB4
380#define MAC_REG_PATRN_CRC3  0xB6
381#define MAC_REG_PATRN_CRC4  0xB8
382#define MAC_REG_PATRN_CRC5  0xBA
383#define MAC_REG_PATRN_CRC6  0xBC
384#define MAC_REG_PATRN_CRC7  0xBE
385#define MAC_REG_BYTEMSK0_0  0xC0
386#define MAC_REG_BYTEMSK0_1  0xC4
387#define MAC_REG_BYTEMSK0_2  0xC8
388#define MAC_REG_BYTEMSK0_3  0xCC
389#define MAC_REG_BYTEMSK1_0  0xD0
390#define MAC_REG_BYTEMSK1_1  0xD4
391#define MAC_REG_BYTEMSK1_2  0xD8
392#define MAC_REG_BYTEMSK1_3  0xDC
393#define MAC_REG_BYTEMSK2_0  0xE0
394#define MAC_REG_BYTEMSK2_1  0xE4
395#define MAC_REG_BYTEMSK2_2  0xE8
396#define MAC_REG_BYTEMSK2_3  0xEC
397#define MAC_REG_BYTEMSK3_0  0xF0
398#define MAC_REG_BYTEMSK3_1  0xF4
399#define MAC_REG_BYTEMSK3_2  0xF8
400#define MAC_REG_BYTEMSK3_3  0xFC
401
402/*
403 *	Bits in the RCR register
404 */
405
406#define RCR_AS              0x80
407#define RCR_AP              0x40
408#define RCR_AL              0x20
409#define RCR_PROM            0x10
410#define RCR_AB              0x08
411#define RCR_AM              0x04
412#define RCR_AR              0x02
413#define RCR_SEP             0x01
414
415/*
416 *	Bits in the TCR register
417 */
418
419#define TCR_TB2BDIS         0x80
420#define TCR_COLTMC1         0x08
421#define TCR_COLTMC0         0x04
422#define TCR_LB1             0x02	/* loopback[1] */
423#define TCR_LB0             0x01	/* loopback[0] */
424
425/*
426 *	Bits in the CR0 register
427 */
428
429#define CR0_TXON            0x00000008UL
430#define CR0_RXON            0x00000004UL
431#define CR0_STOP            0x00000002UL	/* stop MAC, default = 1 */
432#define CR0_STRT            0x00000001UL	/* start MAC */
433#define CR0_SFRST           0x00008000UL	/* software reset */
434#define CR0_TM1EN           0x00004000UL
435#define CR0_TM0EN           0x00002000UL
436#define CR0_DPOLL           0x00000800UL	/* disable rx/tx auto polling */
437#define CR0_DISAU           0x00000100UL
438#define CR0_XONEN           0x00800000UL
439#define CR0_FDXTFCEN        0x00400000UL	/* full-duplex TX flow control enable */
440#define CR0_FDXRFCEN        0x00200000UL	/* full-duplex RX flow control enable */
441#define CR0_HDXFCEN         0x00100000UL	/* half-duplex flow control enable */
442#define CR0_XHITH1          0x00080000UL	/* TX XON high threshold 1 */
443#define CR0_XHITH0          0x00040000UL	/* TX XON high threshold 0 */
444#define CR0_XLTH1           0x00020000UL	/* TX pause frame low threshold 1 */
445#define CR0_XLTH0           0x00010000UL	/* TX pause frame low threshold 0 */
446#define CR0_GSPRST          0x80000000UL
447#define CR0_FORSRST         0x40000000UL
448#define CR0_FPHYRST         0x20000000UL
449#define CR0_DIAG            0x10000000UL
450#define CR0_INTPCTL         0x04000000UL
451#define CR0_GINTMSK1        0x02000000UL
452#define CR0_GINTMSK0        0x01000000UL
453
454/*
455 *	Bits in the CR1 register
456 */
457
458#define CR1_SFRST           0x80	/* software reset */
459#define CR1_TM1EN           0x40
460#define CR1_TM0EN           0x20
461#define CR1_DPOLL           0x08	/* disable rx/tx auto polling */
462#define CR1_DISAU           0x01
463
464/*
465 *	Bits in the CR2 register
466 */
467
468#define CR2_XONEN           0x80
469#define CR2_FDXTFCEN        0x40	/* full-duplex TX flow control enable */
470#define CR2_FDXRFCEN        0x20	/* full-duplex RX flow control enable */
471#define CR2_HDXFCEN         0x10	/* half-duplex flow control enable */
472#define CR2_XHITH1          0x08	/* TX XON high threshold 1 */
473#define CR2_XHITH0          0x04	/* TX XON high threshold 0 */
474#define CR2_XLTH1           0x02	/* TX pause frame low threshold 1 */
475#define CR2_XLTH0           0x01	/* TX pause frame low threshold 0 */
476
477/*
478 *	Bits in the CR3 register
479 */
480
481#define CR3_GSPRST          0x80
482#define CR3_FORSRST         0x40
483#define CR3_FPHYRST         0x20
484#define CR3_DIAG            0x10
485#define CR3_INTPCTL         0x04
486#define CR3_GINTMSK1        0x02
487#define CR3_GINTMSK0        0x01
488
489#define ISRCTL_UDPINT       0x8000
490#define ISRCTL_TSUPDIS      0x4000
491#define ISRCTL_RSUPDIS      0x2000
492#define ISRCTL_PMSK1        0x1000
493#define ISRCTL_PMSK0        0x0800
494#define ISRCTL_INTPD        0x0400
495#define ISRCTL_HCRLD        0x0200
496#define ISRCTL_SCRLD        0x0100
497
498/*
499 *	Bits in the ISR_CTL1 register
500 */
501
502#define ISRCTL1_UDPINT      0x80
503#define ISRCTL1_TSUPDIS     0x40
504#define ISRCTL1_RSUPDIS     0x20
505#define ISRCTL1_PMSK1       0x10
506#define ISRCTL1_PMSK0       0x08
507#define ISRCTL1_INTPD       0x04
508#define ISRCTL1_HCRLD       0x02
509#define ISRCTL1_SCRLD       0x01
510
511/*
512 *	Bits in the TXE_SR register
513 */
514
515#define TXESR_TFDBS         0x08
516#define TXESR_TDWBS         0x04
517#define TXESR_TDRBS         0x02
518#define TXESR_TDSTR         0x01
519
520/*
521 *	Bits in the RXE_SR register
522 */
523
524#define RXESR_RFDBS         0x08
525#define RXESR_RDWBS         0x04
526#define RXESR_RDRBS         0x02
527#define RXESR_RDSTR         0x01
528
529/*
530 *	Bits in the ISR register
531 */
532
533#define ISR_ISR3            0x80000000UL
534#define ISR_ISR2            0x40000000UL
535#define ISR_ISR1            0x20000000UL
536#define ISR_ISR0            0x10000000UL
537#define ISR_TXSTLI          0x02000000UL
538#define ISR_RXSTLI          0x01000000UL
539#define ISR_HFLD            0x00800000UL
540#define ISR_UDPI            0x00400000UL
541#define ISR_MIBFI           0x00200000UL
542#define ISR_SHDNI           0x00100000UL
543#define ISR_PHYI            0x00080000UL
544#define ISR_PWEI            0x00040000UL
545#define ISR_TMR1I           0x00020000UL
546#define ISR_TMR0I           0x00010000UL
547#define ISR_SRCI            0x00008000UL
548#define ISR_LSTPEI          0x00004000UL
549#define ISR_LSTEI           0x00002000UL
550#define ISR_OVFI            0x00001000UL
551#define ISR_FLONI           0x00000800UL
552#define ISR_RACEI           0x00000400UL
553#define ISR_TXWB1I          0x00000200UL
554#define ISR_TXWB0I          0x00000100UL
555#define ISR_PTX3I           0x00000080UL
556#define ISR_PTX2I           0x00000040UL
557#define ISR_PTX1I           0x00000020UL
558#define ISR_PTX0I           0x00000010UL
559#define ISR_PTXI            0x00000008UL
560#define ISR_PRXI            0x00000004UL
561#define ISR_PPTXI           0x00000002UL
562#define ISR_PPRXI           0x00000001UL
563
564/*
565 *	Bits in the IMR register
566 */
567
568#define IMR_TXSTLM          0x02000000UL
569#define IMR_UDPIM           0x00400000UL
570#define IMR_MIBFIM          0x00200000UL
571#define IMR_SHDNIM          0x00100000UL
572#define IMR_PHYIM           0x00080000UL
573#define IMR_PWEIM           0x00040000UL
574#define IMR_TMR1IM          0x00020000UL
575#define IMR_TMR0IM          0x00010000UL
576
577#define IMR_SRCIM           0x00008000UL
578#define IMR_LSTPEIM         0x00004000UL
579#define IMR_LSTEIM          0x00002000UL
580#define IMR_OVFIM           0x00001000UL
581#define IMR_FLONIM          0x00000800UL
582#define IMR_RACEIM          0x00000400UL
583#define IMR_TXWB1IM         0x00000200UL
584#define IMR_TXWB0IM         0x00000100UL
585
586#define IMR_PTX3IM          0x00000080UL
587#define IMR_PTX2IM          0x00000040UL
588#define IMR_PTX1IM          0x00000020UL
589#define IMR_PTX0IM          0x00000010UL
590#define IMR_PTXIM           0x00000008UL
591#define IMR_PRXIM           0x00000004UL
592#define IMR_PPTXIM          0x00000002UL
593#define IMR_PPRXIM          0x00000001UL
594
595/* 0x0013FB0FUL  =  initial value of IMR */
596
597#define INT_MASK_DEF        (IMR_PPTXIM|IMR_PPRXIM|IMR_PTXIM|IMR_PRXIM|\
598                            IMR_PWEIM|IMR_TXWB0IM|IMR_TXWB1IM|IMR_FLONIM|\
599                            IMR_OVFIM|IMR_LSTEIM|IMR_LSTPEIM|IMR_SRCIM|IMR_MIBFIM|\
600                            IMR_SHDNIM|IMR_TMR1IM|IMR_TMR0IM|IMR_TXSTLM)
601
602/*
603 *	Bits in the TDCSR0/1, RDCSR0 register
604 */
605
606#define TRDCSR_DEAD         0x0008
607#define TRDCSR_WAK          0x0004
608#define TRDCSR_ACT          0x0002
609#define TRDCSR_RUN	    0x0001
610
611/*
612 *	Bits in the CAMADDR register
613 */
614
615#define CAMADDR_CAMEN       0x80
616#define CAMADDR_VCAMSL      0x40
617
618/*
619 *	Bits in the CAMCR register
620 */
621
622#define CAMCR_PS1           0x80
623#define CAMCR_PS0           0x40
624#define CAMCR_AITRPKT       0x20
625#define CAMCR_AITR16        0x10
626#define CAMCR_CAMRD         0x08
627#define CAMCR_CAMWR         0x04
628#define CAMCR_PS_CAM_MASK   0x40
629#define CAMCR_PS_CAM_DATA   0x80
630#define CAMCR_PS_MAR        0x00
631
632/*
633 *	Bits in the MIICFG register
634 */
635
636#define MIICFG_MPO1         0x80
637#define MIICFG_MPO0         0x40
638#define MIICFG_MFDC         0x20
639
640/*
641 *	Bits in the MIISR register
642 */
643
644#define MIISR_MIDLE         0x80
645
646/*
647 *	 Bits in the PHYSR0 register
648 */
649
650#define PHYSR0_PHYRST       0x80
651#define PHYSR0_LINKGD       0x40
652#define PHYSR0_FDPX         0x10
653#define PHYSR0_SPDG         0x08
654#define PHYSR0_SPD10        0x04
655#define PHYSR0_RXFLC        0x02
656#define PHYSR0_TXFLC        0x01
657
658/*
659 *	Bits in the PHYSR1 register
660 */
661
662#define PHYSR1_PHYTBI       0x01
663
664/*
665 *	Bits in the MIICR register
666 */
667
668#define MIICR_MAUTO         0x80
669#define MIICR_RCMD          0x40
670#define MIICR_WCMD          0x20
671#define MIICR_MDPM          0x10
672#define MIICR_MOUT          0x08
673#define MIICR_MDO           0x04
674#define MIICR_MDI           0x02
675#define MIICR_MDC           0x01
676
677/*
678 *	Bits in the MIIADR register
679 */
680
681#define MIIADR_SWMPL        0x80
682
683/*
684 *	Bits in the CFGA register
685 */
686
687#define CFGA_PMHCTG         0x08
688#define CFGA_GPIO1PD        0x04
689#define CFGA_ABSHDN         0x02
690#define CFGA_PACPI          0x01
691
692/*
693 *	Bits in the CFGB register
694 */
695
696#define CFGB_GTCKOPT        0x80
697#define CFGB_MIIOPT         0x40
698#define CFGB_CRSEOPT        0x20
699#define CFGB_OFSET          0x10
700#define CFGB_CRANDOM        0x08
701#define CFGB_CAP            0x04
702#define CFGB_MBA            0x02
703#define CFGB_BAKOPT         0x01
704
705/*
706 *	Bits in the CFGC register
707 */
708
709#define CFGC_EELOAD         0x80
710#define CFGC_BROPT          0x40
711#define CFGC_DLYEN          0x20
712#define CFGC_DTSEL          0x10
713#define CFGC_BTSEL          0x08
714#define CFGC_BPS2           0x04	/* bootrom select[2] */
715#define CFGC_BPS1           0x02	/* bootrom select[1] */
716#define CFGC_BPS0           0x01	/* bootrom select[0] */
717
718/*
719 * Bits in the CFGD register
720 */
721
722#define CFGD_IODIS          0x80
723#define CFGD_MSLVDACEN      0x40
724#define CFGD_CFGDACEN       0x20
725#define CFGD_PCI64EN        0x10
726#define CFGD_HTMRL4         0x08
727
728/*
729 *	Bits in the DCFG1 register
730 */
731
732#define DCFG_XMWI           0x8000
733#define DCFG_XMRM           0x4000
734#define DCFG_XMRL           0x2000
735#define DCFG_PERDIS         0x1000
736#define DCFG_MRWAIT         0x0400
737#define DCFG_MWWAIT         0x0200
738#define DCFG_LATMEN         0x0100
739
740/*
741 *	Bits in the MCFG0 register
742 */
743
744#define MCFG_RXARB          0x0080
745#define MCFG_RFT1           0x0020
746#define MCFG_RFT0           0x0010
747#define MCFG_LOWTHOPT       0x0008
748#define MCFG_PQEN           0x0004
749#define MCFG_RTGOPT         0x0002
750#define MCFG_VIDFR          0x0001
751
752/*
753 *	Bits in the MCFG1 register
754 */
755
756#define MCFG_TXARB          0x8000
757#define MCFG_TXQBK1         0x0800
758#define MCFG_TXQBK0         0x0400
759#define MCFG_TXQNOBK        0x0200
760#define MCFG_SNAPOPT        0x0100
761
762/*
763 *	Bits in the PMCC  register
764 */
765
766#define PMCC_DSI            0x80
767#define PMCC_D2_DIS         0x40
768#define PMCC_D1_DIS         0x20
769#define PMCC_D3C_EN         0x10
770#define PMCC_D3H_EN         0x08
771#define PMCC_D2_EN          0x04
772#define PMCC_D1_EN          0x02
773#define PMCC_D0_EN          0x01
774
775/*
776 *	Bits in STICKHW
777 */
778
779#define STICKHW_SWPTAG      0x10
780#define STICKHW_WOLSR       0x08
781#define STICKHW_WOLEN       0x04
782#define STICKHW_DS1         0x02	/* R/W by software/cfg cycle */
783#define STICKHW_DS0         0x01	/* suspend well DS write port */
784
785/*
786 *	Bits in the MIBCR register
787 */
788
789#define MIBCR_MIBISTOK      0x80
790#define MIBCR_MIBISTGO      0x40
791#define MIBCR_MIBINC        0x20
792#define MIBCR_MIBHI         0x10
793#define MIBCR_MIBFRZ        0x08
794#define MIBCR_MIBFLSH       0x04
795#define MIBCR_MPTRINI       0x02
796#define MIBCR_MIBCLR        0x01
797
798/*
799 *	Bits in the EERSV register
800 */
801
802#define EERSV_BOOT_RPL      ((u8) 0x01)	 /* Boot method selection for VT6110 */
803
804#define EERSV_BOOT_MASK     ((u8) 0x06)
805#define EERSV_BOOT_INT19    ((u8) 0x00)
806#define EERSV_BOOT_INT18    ((u8) 0x02)
807#define EERSV_BOOT_LOCAL    ((u8) 0x04)
808#define EERSV_BOOT_BEV      ((u8) 0x06)
809
810
811/*
812 *	Bits in BPCMD
813 */
814
815#define BPCMD_BPDNE         0x80
816#define BPCMD_EBPWR         0x02
817#define BPCMD_EBPRD         0x01
818
819/*
820 *	Bits in the EECSR register
821 */
822
823#define EECSR_EMBP          0x40	/* eeprom embedded programming */
824#define EECSR_RELOAD        0x20	/* eeprom content reload */
825#define EECSR_DPM           0x10	/* eeprom direct programming */
826#define EECSR_ECS           0x08	/* eeprom CS pin */
827#define EECSR_ECK           0x04	/* eeprom CK pin */
828#define EECSR_EDI           0x02	/* eeprom DI pin */
829#define EECSR_EDO           0x01	/* eeprom DO pin */
830
831/*
832 *	Bits in the EMBCMD register
833 */
834
835#define EMBCMD_EDONE        0x80
836#define EMBCMD_EWDIS        0x08
837#define EMBCMD_EWEN         0x04
838#define EMBCMD_EWR          0x02
839#define EMBCMD_ERD          0x01
840
841/*
842 *	Bits in TESTCFG register
843 */
844
845#define TESTCFG_HBDIS       0x80
846
847/*
848 *	Bits in CHIPGCR register
849 */
850
851#define CHIPGCR_FCGMII      0x80
852#define CHIPGCR_FCFDX       0x40
853#define CHIPGCR_FCRESV      0x20
854#define CHIPGCR_FCMODE      0x10
855#define CHIPGCR_LPSOPT      0x08
856#define CHIPGCR_TM1US       0x04
857#define CHIPGCR_TM0US       0x02
858#define CHIPGCR_PHYINTEN    0x01
859
860/*
861 *	Bits in WOLCR0
862 */
863
864#define WOLCR_MSWOLEN7      0x0080	/* enable pattern match filtering */
865#define WOLCR_MSWOLEN6      0x0040
866#define WOLCR_MSWOLEN5      0x0020
867#define WOLCR_MSWOLEN4      0x0010
868#define WOLCR_MSWOLEN3      0x0008
869#define WOLCR_MSWOLEN2      0x0004
870#define WOLCR_MSWOLEN1      0x0002
871#define WOLCR_MSWOLEN0      0x0001
872#define WOLCR_ARP_EN        0x0001
873
874/*
875 *	Bits in WOLCR1
876 */
877
878#define WOLCR_LINKOFF_EN      0x0800	/* link off detected enable */
879#define WOLCR_LINKON_EN       0x0400	/* link on detected enable */
880#define WOLCR_MAGIC_EN        0x0200	/* magic packet filter enable */
881#define WOLCR_UNICAST_EN      0x0100	/* unicast filter enable */
882
883
884/*
885 *	Bits in PWCFG
886 */
887
888#define PWCFG_PHYPWOPT          0x80	/* internal MII I/F timing */
889#define PWCFG_PCISTICK          0x40	/* PCI sticky R/W enable */
890#define PWCFG_WOLTYPE           0x20	/* pulse(1) or button (0) */
891#define PWCFG_LEGCY_WOL         0x10
892#define PWCFG_PMCSR_PME_SR      0x08
893#define PWCFG_PMCSR_PME_EN      0x04	/* control by PCISTICK */
894#define PWCFG_LEGACY_WOLSR      0x02	/* Legacy WOL_SR shadow */
895#define PWCFG_LEGACY_WOLEN      0x01	/* Legacy WOL_EN shadow */
896
897/*
898 *	Bits in WOLCFG
899 */
900
901#define WOLCFG_PMEOVR           0x80	/* for legacy use, force PMEEN always */
902#define WOLCFG_SAM              0x20	/* accept multicast case reset, default=0 */
903#define WOLCFG_SAB              0x10	/* accept broadcast case reset, default=0 */
904#define WOLCFG_SMIIACC          0x08	/* ?? */
905#define WOLCFG_SGENWH           0x02
906#define WOLCFG_PHYINTEN         0x01	/* 0:PHYINT trigger enable, 1:use internal MII
907					  to report status change */
908/*
909 *	Bits in WOLSR1
910 */
911
912#define WOLSR_LINKOFF_INT      0x0800
913#define WOLSR_LINKON_INT       0x0400
914#define WOLSR_MAGIC_INT        0x0200
915#define WOLSR_UNICAST_INT      0x0100
916
917/*
918 *	Ethernet address filter type
919 */
920
921#define PKT_TYPE_NONE               0x0000	/* Turn off receiver */
922#define PKT_TYPE_DIRECTED           0x0001	/* obselete, directed address is always accepted */
923#define PKT_TYPE_MULTICAST          0x0002
924#define PKT_TYPE_ALL_MULTICAST      0x0004
925#define PKT_TYPE_BROADCAST          0x0008
926#define PKT_TYPE_PROMISCUOUS        0x0020
927#define PKT_TYPE_LONG               0x2000	/* NOTE.... the definition of LONG is >2048 bytes in our chip */
928#define PKT_TYPE_RUNT               0x4000
929#define PKT_TYPE_ERROR              0x8000	/* Accept error packets, e.g. CRC error */
930
931/*
932 *	Loopback mode
933 */
934
935#define MAC_LB_NONE         0x00
936#define MAC_LB_INTERNAL     0x01
937#define MAC_LB_EXTERNAL     0x02
938
939/*
940 *	Enabled mask value of irq
941 */
942
943#if defined(_SIM)
944#define IMR_MASK_VALUE      0x0033FF0FUL	/* initial value of IMR
945						   set IMR0 to 0x0F according to spec */
946
947#else
948#define IMR_MASK_VALUE      0x0013FB0FUL	/* initial value of IMR
949						   ignore MIBFI,RACEI to
950						   reduce intr. frequency
951						   NOTE.... do not enable NoBuf int mask at driver driver
952						      when (1) NoBuf -> RxThreshold = SF
953							   (2) OK    -> RxThreshold = original value
954						 */
955#endif
956
957/*
958 *	Revision id
959 */
960
961#define REV_ID_VT3119_A0	0x00
962#define REV_ID_VT3119_A1	0x01
963#define REV_ID_VT3216_A0	0x10
964
965/*
966 *	Max time out delay time
967 */
968
969#define W_MAX_TIMEOUT       0x0FFFU
970
971
972/*
973 *	MAC registers as a structure. Cannot be directly accessed this
974 *	way but generates offsets for readl/writel() calls
975 */
976
977struct mac_regs {
978	volatile u8 PAR[6];		/* 0x00 */
979	volatile u8 RCR;
980	volatile u8 TCR;
981
982	volatile __le32 CR0Set;		/* 0x08 */
983	volatile __le32 CR0Clr;		/* 0x0C */
984
985	volatile u8 MARCAM[8];		/* 0x10 */
986
987	volatile __le32 DecBaseHi;	/* 0x18 */
988	volatile __le16 DbfBaseHi;	/* 0x1C */
989	volatile __le16 reserved_1E;
990
991	volatile __le16 ISRCTL;		/* 0x20 */
992	volatile u8 TXESR;
993	volatile u8 RXESR;
994
995	volatile __le32 ISR;		/* 0x24 */
996	volatile __le32 IMR;
997
998	volatile __le32 TDStatusPort;	/* 0x2C */
999
1000	volatile __le16 TDCSRSet;	/* 0x30 */
1001	volatile u8 RDCSRSet;
1002	volatile u8 reserved_33;
1003	volatile __le16 TDCSRClr;
1004	volatile u8 RDCSRClr;
1005	volatile u8 reserved_37;
1006
1007	volatile __le32 RDBaseLo;	/* 0x38 */
1008	volatile __le16 RDIdx;		/* 0x3C */
1009	volatile u8 TQETMR;		/* 0x3E, VT3216 and above only */
1010	volatile u8 RQETMR;		/* 0x3F, VT3216 and above only */
1011
1012	volatile __le32 TDBaseLo[4];	/* 0x40 */
1013
1014	volatile __le16 RDCSize;	/* 0x50 */
1015	volatile __le16 TDCSize;	/* 0x52 */
1016	volatile __le16 TDIdx[4];	/* 0x54 */
1017	volatile __le16 tx_pause_timer;	/* 0x5C */
1018	volatile __le16 RBRDU;		/* 0x5E */
1019
1020	volatile __le32 FIFOTest0;	/* 0x60 */
1021	volatile __le32 FIFOTest1;	/* 0x64 */
1022
1023	volatile u8 CAMADDR;		/* 0x68 */
1024	volatile u8 CAMCR;		/* 0x69 */
1025	volatile u8 GFTEST;		/* 0x6A */
1026	volatile u8 FTSTCMD;		/* 0x6B */
1027
1028	volatile u8 MIICFG;		/* 0x6C */
1029	volatile u8 MIISR;
1030	volatile u8 PHYSR0;
1031	volatile u8 PHYSR1;
1032	volatile u8 MIICR;
1033	volatile u8 MIIADR;
1034	volatile __le16 MIIDATA;
1035
1036	volatile __le16 SoftTimer0;	/* 0x74 */
1037	volatile __le16 SoftTimer1;
1038
1039	volatile u8 CFGA;		/* 0x78 */
1040	volatile u8 CFGB;
1041	volatile u8 CFGC;
1042	volatile u8 CFGD;
1043
1044	volatile __le16 DCFG;		/* 0x7C */
1045	volatile __le16 MCFG;
1046
1047	volatile u8 TBIST;		/* 0x80 */
1048	volatile u8 RBIST;
1049	volatile u8 PMCPORT;
1050	volatile u8 STICKHW;
1051
1052	volatile u8 MIBCR;		/* 0x84 */
1053	volatile u8 reserved_85;
1054	volatile u8 rev_id;
1055	volatile u8 PORSTS;
1056
1057	volatile __le32 MIBData;	/* 0x88 */
1058
1059	volatile __le16 EEWrData;
1060
1061	volatile u8 reserved_8E;
1062	volatile u8 BPMDWr;
1063	volatile u8 BPCMD;
1064	volatile u8 BPMDRd;
1065
1066	volatile u8 EECHKSUM;		/* 0x92 */
1067	volatile u8 EECSR;
1068
1069	volatile __le16 EERdData;	/* 0x94 */
1070	volatile u8 EADDR;
1071	volatile u8 EMBCMD;
1072
1073
1074	volatile u8 JMPSR0;		/* 0x98 */
1075	volatile u8 JMPSR1;
1076	volatile u8 JMPSR2;
1077	volatile u8 JMPSR3;
1078	volatile u8 CHIPGSR;		/* 0x9C */
1079	volatile u8 TESTCFG;
1080	volatile u8 DEBUG;
1081	volatile u8 CHIPGCR;
1082
1083	volatile __le16 WOLCRSet;	/* 0xA0 */
1084	volatile u8 PWCFGSet;
1085	volatile u8 WOLCFGSet;
1086
1087	volatile __le16 WOLCRClr;	/* 0xA4 */
1088	volatile u8 PWCFGCLR;
1089	volatile u8 WOLCFGClr;
1090
1091	volatile __le16 WOLSRSet;	/* 0xA8 */
1092	volatile __le16 reserved_AA;
1093
1094	volatile __le16 WOLSRClr;	/* 0xAC */
1095	volatile __le16 reserved_AE;
1096
1097	volatile __le16 PatternCRC[8];	/* 0xB0 */
1098	volatile __le32 ByteMask[4][4];	/* 0xC0 */
1099} __packed;
1100
1101
1102enum hw_mib {
1103	HW_MIB_ifRxAllPkts = 0,
1104	HW_MIB_ifRxOkPkts,
1105	HW_MIB_ifTxOkPkts,
1106	HW_MIB_ifRxErrorPkts,
1107	HW_MIB_ifRxRuntOkPkt,
1108	HW_MIB_ifRxRuntErrPkt,
1109	HW_MIB_ifRx64Pkts,
1110	HW_MIB_ifTx64Pkts,
1111	HW_MIB_ifRx65To127Pkts,
1112	HW_MIB_ifTx65To127Pkts,
1113	HW_MIB_ifRx128To255Pkts,
1114	HW_MIB_ifTx128To255Pkts,
1115	HW_MIB_ifRx256To511Pkts,
1116	HW_MIB_ifTx256To511Pkts,
1117	HW_MIB_ifRx512To1023Pkts,
1118	HW_MIB_ifTx512To1023Pkts,
1119	HW_MIB_ifRx1024To1518Pkts,
1120	HW_MIB_ifTx1024To1518Pkts,
1121	HW_MIB_ifTxEtherCollisions,
1122	HW_MIB_ifRxPktCRCE,
1123	HW_MIB_ifRxJumboPkts,
1124	HW_MIB_ifTxJumboPkts,
1125	HW_MIB_ifRxMacControlFrames,
1126	HW_MIB_ifTxMacControlFrames,
1127	HW_MIB_ifRxPktFAE,
1128	HW_MIB_ifRxLongOkPkt,
1129	HW_MIB_ifRxLongPktErrPkt,
1130	HW_MIB_ifTXSQEErrors,
1131	HW_MIB_ifRxNobuf,
1132	HW_MIB_ifRxSymbolErrors,
1133	HW_MIB_ifInRangeLengthErrors,
1134	HW_MIB_ifLateCollisions,
1135	HW_MIB_SIZE
1136};
1137
1138enum chip_type {
1139	CHIP_TYPE_VT6110 = 1,
1140};
1141
1142struct velocity_info_tbl {
1143	enum chip_type chip_id;
1144	const char *name;
1145	int txqueue;
1146	u32 flags;
1147};
1148
1149#define mac_hw_mibs_init(regs) {\
1150	BYTE_REG_BITS_ON(MIBCR_MIBFRZ,&((regs)->MIBCR));\
1151	BYTE_REG_BITS_ON(MIBCR_MIBCLR,&((regs)->MIBCR));\
1152	do {}\
1153		while (BYTE_REG_BITS_IS_ON(MIBCR_MIBCLR,&((regs)->MIBCR)));\
1154	BYTE_REG_BITS_OFF(MIBCR_MIBFRZ,&((regs)->MIBCR));\
1155}
1156
1157#define mac_read_isr(regs)  		readl(&((regs)->ISR))
1158#define mac_write_isr(regs, x)  	writel((x),&((regs)->ISR))
1159#define mac_clear_isr(regs) 		writel(0xffffffffL,&((regs)->ISR))
1160
1161#define mac_write_int_mask(mask, regs) 	writel((mask),&((regs)->IMR));
1162#define mac_disable_int(regs)       	writel(CR0_GINTMSK1,&((regs)->CR0Clr))
1163#define mac_enable_int(regs)    	writel(CR0_GINTMSK1,&((regs)->CR0Set))
1164
1165#define mac_set_dma_length(regs, n) {\
1166	BYTE_REG_BITS_SET((n),0x07,&((regs)->DCFG));\
1167}
1168
1169#define mac_set_rx_thresh(regs, n) {\
1170	BYTE_REG_BITS_SET((n),(MCFG_RFT0|MCFG_RFT1),&((regs)->MCFG));\
1171}
1172
1173#define mac_rx_queue_run(regs) {\
1174	writeb(TRDCSR_RUN, &((regs)->RDCSRSet));\
1175}
1176
1177#define mac_rx_queue_wake(regs) {\
1178	writeb(TRDCSR_WAK, &((regs)->RDCSRSet));\
1179}
1180
1181#define mac_tx_queue_run(regs, n) {\
1182	writew(TRDCSR_RUN<<((n)*4),&((regs)->TDCSRSet));\
1183}
1184
1185#define mac_tx_queue_wake(regs, n) {\
1186	writew(TRDCSR_WAK<<(n*4),&((regs)->TDCSRSet));\
1187}
1188
1189static inline void mac_eeprom_reload(struct mac_regs __iomem * regs) {
1190	int i=0;
1191
1192	BYTE_REG_BITS_ON(EECSR_RELOAD,&(regs->EECSR));
1193	do {
1194		udelay(10);
1195		if (i++>0x1000)
1196			break;
1197	} while (BYTE_REG_BITS_IS_ON(EECSR_RELOAD,&(regs->EECSR)));
1198}
1199
1200/*
1201 * Header for WOL definitions. Used to compute hashes
1202 */
1203
1204typedef u8 MCAM_ADDR[ETH_ALEN];
1205
1206struct arp_packet {
1207	u8 dest_mac[ETH_ALEN];
1208	u8 src_mac[ETH_ALEN];
1209	__be16 type;
1210	__be16 ar_hrd;
1211	__be16 ar_pro;
1212	u8 ar_hln;
1213	u8 ar_pln;
1214	__be16 ar_op;
1215	u8 ar_sha[ETH_ALEN];
1216	u8 ar_sip[4];
1217	u8 ar_tha[ETH_ALEN];
1218	u8 ar_tip[4];
1219} __packed;
1220
1221struct _magic_packet {
1222	u8 dest_mac[6];
1223	u8 src_mac[6];
1224	__be16 type;
1225	u8 MAC[16][6];
1226	u8 password[6];
1227} __packed;
1228
1229/*
1230 *	Store for chip context when saving and restoring status. Not
1231 *	all fields are saved/restored currently.
1232 */
1233
1234struct velocity_context {
1235	u8 mac_reg[256];
1236	MCAM_ADDR cam_addr[MCAM_SIZE];
1237	u16 vcam[VCAM_SIZE];
1238	u32 cammask[2];
1239	u32 patcrc[2];
1240	u32 pattern[8];
1241};
1242
1243/*
1244 *	Registers in the MII (offset unit is WORD)
1245 */
1246
1247// Marvell 88E1000/88E1000S
1248#define MII_REG_PSCR        0x10	// PHY specific control register
1249
1250//
1251// Bits in the Silicon revision register
1252//
1253
1254#define TCSR_ECHODIS        0x2000	//
1255#define AUXCR_MDPPS         0x0004	//
1256
1257// Bits in the PLED register
1258#define PLED_LALBE			0x0004	//
1259
1260// Marvell 88E1000/88E1000S Bits in the PHY specific control register (10h)
1261#define PSCR_ACRSTX         0x0800	// Assert CRS on Transmit
1262
1263#define PHYID_CICADA_CS8201 0x000FC410UL
1264#define PHYID_VT3216_32BIT  0x000FC610UL
1265#define PHYID_VT3216_64BIT  0x000FC600UL
1266#define PHYID_MARVELL_1000  0x01410C50UL
1267#define PHYID_MARVELL_1000S 0x01410C40UL
1268
1269#define PHYID_REV_ID_MASK   0x0000000FUL
1270
1271#define PHYID_GET_PHY_ID(i)         ((i) & ~PHYID_REV_ID_MASK)
1272
1273#define MII_REG_BITS_ON(x,i,p) do {\
1274    u16 w;\
1275    velocity_mii_read((p),(i),&(w));\
1276    (w)|=(x);\
1277    velocity_mii_write((p),(i),(w));\
1278} while (0)
1279
1280#define MII_REG_BITS_OFF(x,i,p) do {\
1281    u16 w;\
1282    velocity_mii_read((p),(i),&(w));\
1283    (w)&=(~(x));\
1284    velocity_mii_write((p),(i),(w));\
1285} while (0)
1286
1287#define MII_REG_BITS_IS_ON(x,i,p) ({\
1288    u16 w;\
1289    velocity_mii_read((p),(i),&(w));\
1290    ((int) ((w) & (x)));})
1291
1292#define MII_GET_PHY_ID(p) ({\
1293    u32 id;\
1294    velocity_mii_read((p),MII_PHYSID2,(u16 *) &id);\
1295    velocity_mii_read((p),MII_PHYSID1,((u16 *) &id)+1);\
1296    (id);})
1297
1298/*
1299 * Inline debug routine
1300 */
1301
1302
1303enum velocity_msg_level {
1304	MSG_LEVEL_ERR = 0,	//Errors that will cause abnormal operation.
1305	MSG_LEVEL_NOTICE = 1,	//Some errors need users to be notified.
1306	MSG_LEVEL_INFO = 2,	//Normal message.
1307	MSG_LEVEL_VERBOSE = 3,	//Will report all trival errors.
1308	MSG_LEVEL_DEBUG = 4	//Only for debug purpose.
1309};
1310
1311#ifdef VELOCITY_DEBUG
1312#define ASSERT(x) { \
1313	if (!(x)) { \
1314		printk(KERN_ERR "assertion %s failed: file %s line %d\n", #x,\
1315			__func__, __LINE__);\
1316		BUG(); \
1317	}\
1318}
1319#define VELOCITY_DBG(p,args...) printk(p, ##args)
1320#else
1321#define ASSERT(x)
1322#define VELOCITY_DBG(x)
1323#endif
1324
1325#define VELOCITY_PRT(l, p, args...) do {if (l<=msglevel) printk( p ,##args);} while (0)
1326
1327#define VELOCITY_PRT_CAMMASK(p,t) {\
1328	int i;\
1329	if ((t)==VELOCITY_MULTICAST_CAM) {\
1330        	for (i=0;i<(MCAM_SIZE/8);i++)\
1331			printk("%02X",(p)->mCAMmask[i]);\
1332	}\
1333	else {\
1334		for (i=0;i<(VCAM_SIZE/8);i++)\
1335			printk("%02X",(p)->vCAMmask[i]);\
1336	}\
1337	printk("\n");\
1338}
1339
1340
1341
1342#define     VELOCITY_WOL_MAGIC             0x00000000UL
1343#define     VELOCITY_WOL_PHY               0x00000001UL
1344#define     VELOCITY_WOL_ARP               0x00000002UL
1345#define     VELOCITY_WOL_UCAST             0x00000004UL
1346#define     VELOCITY_WOL_BCAST             0x00000010UL
1347#define     VELOCITY_WOL_MCAST             0x00000020UL
1348#define     VELOCITY_WOL_MAGIC_SEC         0x00000040UL
1349
1350/*
1351 *	Flags for options
1352 */
1353
1354#define     VELOCITY_FLAGS_TAGGING         0x00000001UL
1355#define     VELOCITY_FLAGS_RX_CSUM         0x00000004UL
1356#define     VELOCITY_FLAGS_IP_ALIGN        0x00000008UL
1357#define     VELOCITY_FLAGS_VAL_PKT_LEN     0x00000010UL
1358
1359#define     VELOCITY_FLAGS_FLOW_CTRL       0x01000000UL
1360
1361/*
1362 *	Flags for driver status
1363 */
1364
1365#define     VELOCITY_FLAGS_OPENED          0x00010000UL
1366#define     VELOCITY_FLAGS_VMNS_CONNECTED  0x00020000UL
1367#define     VELOCITY_FLAGS_VMNS_COMMITTED  0x00040000UL
1368#define     VELOCITY_FLAGS_WOL_ENABLED     0x00080000UL
1369
1370/*
1371 *	Flags for MII status
1372 */
1373
1374#define     VELOCITY_LINK_FAIL             0x00000001UL
1375#define     VELOCITY_SPEED_10              0x00000002UL
1376#define     VELOCITY_SPEED_100             0x00000004UL
1377#define     VELOCITY_SPEED_1000            0x00000008UL
1378#define     VELOCITY_DUPLEX_FULL           0x00000010UL
1379#define     VELOCITY_AUTONEG_ENABLE        0x00000020UL
1380#define     VELOCITY_FORCED_BY_EEPROM      0x00000040UL
1381
1382/*
1383 *	For velocity_set_media_duplex
1384 */
1385
1386#define     VELOCITY_LINK_CHANGE           0x00000001UL
1387
1388enum speed_opt {
1389	SPD_DPX_AUTO = 0,
1390	SPD_DPX_100_HALF = 1,
1391	SPD_DPX_100_FULL = 2,
1392	SPD_DPX_10_HALF = 3,
1393	SPD_DPX_10_FULL = 4
1394};
1395
1396enum velocity_init_type {
1397	VELOCITY_INIT_COLD = 0,
1398	VELOCITY_INIT_RESET,
1399	VELOCITY_INIT_WOL
1400};
1401
1402enum velocity_flow_cntl_type {
1403	FLOW_CNTL_DEFAULT = 1,
1404	FLOW_CNTL_TX,
1405	FLOW_CNTL_RX,
1406	FLOW_CNTL_TX_RX,
1407	FLOW_CNTL_DISABLE,
1408};
1409
1410struct velocity_opt {
1411	int numrx;			/* Number of RX descriptors */
1412	int numtx;			/* Number of TX descriptors */
1413	enum speed_opt spd_dpx;		/* Media link mode */
1414
1415	int DMA_length;			/* DMA length */
1416	int rx_thresh;			/* RX_THRESH */
1417	int flow_cntl;
1418	int wol_opts;			/* Wake on lan options */
1419	int td_int_count;
1420	int int_works;
1421	int rx_bandwidth_hi;
1422	int rx_bandwidth_lo;
1423	int rx_bandwidth_en;
1424	int rxqueue_timer;
1425	int txqueue_timer;
1426	int tx_intsup;
1427	int rx_intsup;
1428	u32 flags;
1429};
1430
1431#define AVAIL_TD(p,q)   ((p)->options.numtx-((p)->tx.used[(q)]))
1432
1433#define GET_RD_BY_IDX(vptr, idx)   (vptr->rd_ring[idx])
1434
1435struct velocity_info {
1436	struct pci_dev *pdev;
1437	struct net_device *dev;
1438
1439	struct vlan_group    *vlgrp;
1440	u8 ip_addr[4];
1441	enum chip_type chip_id;
1442
1443	struct mac_regs __iomem * mac_regs;
1444	unsigned long memaddr;
1445	unsigned long ioaddr;
1446
1447	struct tx_info {
1448		int numq;
1449
1450		int used[TX_QUEUE_NO];
1451		int curr[TX_QUEUE_NO];
1452		int tail[TX_QUEUE_NO];
1453		struct tx_desc *rings[TX_QUEUE_NO];
1454		struct velocity_td_info *infos[TX_QUEUE_NO];
1455		dma_addr_t pool_dma[TX_QUEUE_NO];
1456	} tx;
1457
1458	struct rx_info {
1459		int buf_sz;
1460
1461		int dirty;
1462		int curr;
1463		u32 filled;
1464		struct rx_desc *ring;
1465		struct velocity_rd_info *info;	/* It's an array */
1466		dma_addr_t pool_dma;
1467	} rx;
1468
1469	u32 mib_counter[MAX_HW_MIB_COUNTER];
1470	struct velocity_opt options;
1471
1472	u32 int_mask;
1473
1474	u32 flags;
1475
1476	u32 mii_status;
1477	u32 phy_id;
1478	int multicast_limit;
1479
1480	u8 vCAMmask[(VCAM_SIZE / 8)];
1481	u8 mCAMmask[(MCAM_SIZE / 8)];
1482
1483	spinlock_t lock;
1484
1485	int wol_opts;
1486	u8 wol_passwd[6];
1487
1488	struct velocity_context context;
1489
1490	u32 ticks;
1491
1492	u8 rev_id;
1493
1494	struct napi_struct napi;
1495};
1496
1497/**
1498 *	velocity_get_ip		-	find an IP address for the device
1499 *	@vptr: Velocity to query
1500 *
1501 *	Dig out an IP address for this interface so that we can
1502 *	configure wakeup with WOL for ARP. If there are multiple IP
1503 *	addresses on this chain then we use the first - multi-IP WOL is not
1504 *	supported.
1505 *
1506 *	CHECK ME: locking
1507 */
1508
1509static inline int velocity_get_ip(struct velocity_info *vptr)
1510{
1511	struct in_device *in_dev = (struct in_device *) vptr->dev->ip_ptr;
1512	struct in_ifaddr *ifa;
1513
1514	if (in_dev != NULL) {
1515		ifa = (struct in_ifaddr *) in_dev->ifa_list;
1516		if (ifa != NULL) {
1517			memcpy(vptr->ip_addr, &ifa->ifa_address, 4);
1518			return 0;
1519		}
1520	}
1521	return -ENOENT;
1522}
1523
1524/**
1525 *	velocity_update_hw_mibs	-	fetch MIB counters from chip
1526 *	@vptr: velocity to update
1527 *
1528 *	The velocity hardware keeps certain counters in the hardware
1529 * 	side. We need to read these when the user asks for statistics
1530 *	or when they overflow (causing an interrupt). The read of the
1531 *	statistic clears it, so we keep running master counters in user
1532 *	space.
1533 */
1534
1535static inline void velocity_update_hw_mibs(struct velocity_info *vptr)
1536{
1537	u32 tmp;
1538	int i;
1539	BYTE_REG_BITS_ON(MIBCR_MIBFLSH, &(vptr->mac_regs->MIBCR));
1540
1541	while (BYTE_REG_BITS_IS_ON(MIBCR_MIBFLSH, &(vptr->mac_regs->MIBCR)));
1542
1543	BYTE_REG_BITS_ON(MIBCR_MPTRINI, &(vptr->mac_regs->MIBCR));
1544	for (i = 0; i < HW_MIB_SIZE; i++) {
1545		tmp = readl(&(vptr->mac_regs->MIBData)) & 0x00FFFFFFUL;
1546		vptr->mib_counter[i] += tmp;
1547	}
1548}
1549
1550/**
1551 *	init_flow_control_register 	-	set up flow control
1552 *	@vptr: velocity to configure
1553 *
1554 *	Configure the flow control registers for this velocity device.
1555 */
1556
1557static inline void init_flow_control_register(struct velocity_info *vptr)
1558{
1559	struct mac_regs __iomem * regs = vptr->mac_regs;
1560
1561	/* Set {XHITH1, XHITH0, XLTH1, XLTH0} in FlowCR1 to {1, 0, 1, 1}
1562	   depend on RD=64, and Turn on XNOEN in FlowCR1 */
1563	writel((CR0_XONEN | CR0_XHITH1 | CR0_XLTH1 | CR0_XLTH0), &regs->CR0Set);
1564	writel((CR0_FDXTFCEN | CR0_FDXRFCEN | CR0_HDXFCEN | CR0_XHITH0), &regs->CR0Clr);
1565
1566	/* Set TxPauseTimer to 0xFFFF */
1567	writew(0xFFFF, &regs->tx_pause_timer);
1568
1569	/* Initialize RBRDU to Rx buffer count. */
1570	writew(vptr->options.numrx, &regs->RBRDU);
1571}
1572
1573
1574#endif
1575