1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
4  * All rights reserved.
5  *
6  * File: via-velocity.h
7  *
8  * Purpose: Header file to define driver's private structures.
9  *
10  * Author: Chuang Liang-Shing, AJ Jiang
11  *
12  * Date: Jan 24, 2003
13  */
14 
15 
16 #ifndef VELOCITY_H
17 #define VELOCITY_H
18 
19 #define VELOCITY_TX_CSUM_SUPPORT
20 
21 #define VELOCITY_NAME          "via-velocity"
22 #define VELOCITY_FULL_DRV_NAM  "VIA Networking Velocity Family Gigabit Ethernet Adapter Driver"
23 #define VELOCITY_VERSION       "1.15"
24 
25 #define VELOCITY_IO_SIZE	256
26 
27 #define PKT_BUF_SZ          1540
28 
29 #define MAX_UNITS           8
30 #define OPTION_DEFAULT      { [0 ... MAX_UNITS-1] = -1}
31 
32 #define REV_ID_VT6110       (0)
33 
34 #define BYTE_REG_BITS_ON(x,p)       do { writeb(readb((p))|(x),(p));} while (0)
35 #define WORD_REG_BITS_ON(x,p)       do { writew(readw((p))|(x),(p));} while (0)
36 #define DWORD_REG_BITS_ON(x,p)      do { writel(readl((p))|(x),(p));} while (0)
37 
38 #define BYTE_REG_BITS_IS_ON(x,p)    (readb((p)) & (x))
39 #define WORD_REG_BITS_IS_ON(x,p)    (readw((p)) & (x))
40 #define DWORD_REG_BITS_IS_ON(x,p)   (readl((p)) & (x))
41 
42 #define BYTE_REG_BITS_OFF(x,p)      do { writeb(readb((p)) & (~(x)),(p));} while (0)
43 #define WORD_REG_BITS_OFF(x,p)      do { writew(readw((p)) & (~(x)),(p));} while (0)
44 #define DWORD_REG_BITS_OFF(x,p)     do { writel(readl((p)) & (~(x)),(p));} while (0)
45 
46 #define BYTE_REG_BITS_SET(x,m,p)    do { writeb( (readb((p)) & (~(m))) |(x),(p));} while (0)
47 #define WORD_REG_BITS_SET(x,m,p)    do { writew( (readw((p)) & (~(m))) |(x),(p));} while (0)
48 #define DWORD_REG_BITS_SET(x,m,p)   do { writel( (readl((p)) & (~(m)))|(x),(p));}  while (0)
49 
50 #define VAR_USED(p)     do {(p)=(p);} while (0)
51 
52 /*
53  * Purpose: Structures for MAX RX/TX descriptors.
54  */
55 
56 
57 #define B_OWNED_BY_CHIP     1
58 #define B_OWNED_BY_HOST     0
59 
60 /*
61  * Bits in the RSR0 register
62  */
63 
64 #define RSR_DETAG	cpu_to_le16(0x0080)
65 #define RSR_SNTAG	cpu_to_le16(0x0040)
66 #define RSR_RXER	cpu_to_le16(0x0020)
67 #define RSR_RL		cpu_to_le16(0x0010)
68 #define RSR_CE		cpu_to_le16(0x0008)
69 #define RSR_FAE		cpu_to_le16(0x0004)
70 #define RSR_CRC		cpu_to_le16(0x0002)
71 #define RSR_VIDM	cpu_to_le16(0x0001)
72 
73 /*
74  * Bits in the RSR1 register
75  */
76 
77 #define RSR_RXOK	cpu_to_le16(0x8000) // rx OK
78 #define RSR_PFT		cpu_to_le16(0x4000) // Perfect filtering address match
79 #define RSR_MAR		cpu_to_le16(0x2000) // MAC accept multicast address packet
80 #define RSR_BAR		cpu_to_le16(0x1000) // MAC accept broadcast address packet
81 #define RSR_PHY		cpu_to_le16(0x0800) // MAC accept physical address packet
82 #define RSR_VTAG	cpu_to_le16(0x0400) // 802.1p/1q tagging packet indicator
83 #define RSR_STP		cpu_to_le16(0x0200) // start of packet
84 #define RSR_EDP		cpu_to_le16(0x0100) // end of packet
85 
86 /*
87  * Bits in the CSM register
88  */
89 
90 #define CSM_IPOK            0x40	//IP Checksum validation ok
91 #define CSM_TUPOK           0x20	//TCP/UDP Checksum validation ok
92 #define CSM_FRAG            0x10	//Fragment IP datagram
93 #define CSM_IPKT            0x04	//Received an IP packet
94 #define CSM_TCPKT           0x02	//Received a TCP packet
95 #define CSM_UDPKT           0x01	//Received a UDP packet
96 
97 /*
98  * Bits in the TSR0 register
99  */
100 
101 #define TSR0_ABT	cpu_to_le16(0x0080) // Tx abort because of excessive collision
102 #define TSR0_OWT	cpu_to_le16(0x0040) // Jumbo frame Tx abort
103 #define TSR0_OWC	cpu_to_le16(0x0020) // Out of window collision
104 #define TSR0_COLS	cpu_to_le16(0x0010) // experience collision in this transmit event
105 #define TSR0_NCR3	cpu_to_le16(0x0008) // collision retry counter[3]
106 #define TSR0_NCR2	cpu_to_le16(0x0004) // collision retry counter[2]
107 #define TSR0_NCR1	cpu_to_le16(0x0002) // collision retry counter[1]
108 #define TSR0_NCR0	cpu_to_le16(0x0001) // collision retry counter[0]
109 #define TSR0_TERR	cpu_to_le16(0x8000) //
110 #define TSR0_FDX	cpu_to_le16(0x4000) // current transaction is serviced by full duplex mode
111 #define TSR0_GMII	cpu_to_le16(0x2000) // current transaction is serviced by GMII mode
112 #define TSR0_LNKFL	cpu_to_le16(0x1000) // packet serviced during link down
113 #define TSR0_SHDN	cpu_to_le16(0x0400) // shutdown case
114 #define TSR0_CRS	cpu_to_le16(0x0200) // carrier sense lost
115 #define TSR0_CDH	cpu_to_le16(0x0100) // AQE test fail (CD heartbeat)
116 
117 //
118 // Bits in the TCR0 register
119 //
120 #define TCR0_TIC            0x80	// assert interrupt immediately while descriptor has been send complete
121 #define TCR0_PIC            0x40	// priority interrupt request, INA# is issued over adaptive interrupt scheme
122 #define TCR0_VETAG          0x20	// enable VLAN tag
123 #define TCR0_IPCK           0x10	// request IP  checksum calculation.
124 #define TCR0_UDPCK          0x08	// request UDP checksum calculation.
125 #define TCR0_TCPCK          0x04	// request TCP checksum calculation.
126 #define TCR0_JMBO           0x02	// indicate a jumbo packet in GMAC side
127 #define TCR0_CRC            0x01	// disable CRC generation
128 
129 #define TCPLS_NORMAL        3
130 #define TCPLS_START         2
131 #define TCPLS_END           1
132 #define TCPLS_MED           0
133 
134 
135 // max transmit or receive buffer size
136 #define CB_RX_BUF_SIZE     2048UL	// max buffer size
137 					// NOTE: must be multiple of 4
138 
139 #define CB_MAX_RD_NUM       512	// MAX # of RD
140 #define CB_MAX_TD_NUM       256	// MAX # of TD
141 
142 #define CB_INIT_RD_NUM_3119 128	// init # of RD, for setup VT3119
143 #define CB_INIT_TD_NUM_3119 64	// init # of TD, for setup VT3119
144 
145 #define CB_INIT_RD_NUM      128	// init # of RD, for setup default
146 #define CB_INIT_TD_NUM      64	// init # of TD, for setup default
147 
148 // for 3119
149 #define CB_TD_RING_NUM      4	// # of TD rings.
150 #define CB_MAX_SEG_PER_PKT  7	// max data seg per packet (Tx)
151 
152 
153 /*
154  *	If collisions excess 15 times , tx will abort, and
155  *	if tx fifo underflow, tx will fail
156  *	we should try to resend it
157  */
158 
159 #define CB_MAX_TX_ABORT_RETRY   3
160 
161 /*
162  *	Receive descriptor
163  */
164 
165 struct rdesc0 {
166 	__le16 RSR;		/* Receive status */
167 	__le16 len;		/* bits 0--13; bit 15 - owner */
168 };
169 
170 struct rdesc1 {
171 	__le16 PQTAG;
172 	u8 CSM;
173 	u8 IPKT;
174 };
175 
176 enum {
177 	RX_INTEN = cpu_to_le16(0x8000)
178 };
179 
180 struct rx_desc {
181 	struct rdesc0 rdesc0;
182 	struct rdesc1 rdesc1;
183 	__le32 pa_low;		/* Low 32 bit PCI address */
184 	__le16 pa_high;		/* Next 16 bit PCI address (48 total) */
185 	__le16 size;		/* bits 0--14 - frame size, bit 15 - enable int. */
186 } __packed;
187 
188 /*
189  *	Transmit descriptor
190  */
191 
192 struct tdesc0 {
193 	__le16 TSR;		/* Transmit status register */
194 	__le16 len;		/* bits 0--13 - size of frame, bit 15 - owner */
195 };
196 
197 struct tdesc1 {
198 	__le16 vlan;
199 	u8 TCR;
200 	u8 cmd;			/* bits 0--1 - TCPLS, bits 4--7 - CMDZ */
201 } __packed;
202 
203 enum {
204 	TD_QUEUE = cpu_to_le16(0x8000)
205 };
206 
207 struct td_buf {
208 	__le32 pa_low;
209 	__le16 pa_high;
210 	__le16 size;		/* bits 0--13 - size, bit 15 - queue */
211 } __packed;
212 
213 struct tx_desc {
214 	struct tdesc0 tdesc0;
215 	struct tdesc1 tdesc1;
216 	struct td_buf td_buf[7];
217 };
218 
219 struct velocity_rd_info {
220 	struct sk_buff *skb;
221 	dma_addr_t skb_dma;
222 };
223 
224 /*
225  *	Used to track transmit side buffers.
226  */
227 
228 struct velocity_td_info {
229 	struct sk_buff *skb;
230 	int nskb_dma;
231 	dma_addr_t skb_dma[7];
232 };
233 
234 enum  velocity_owner {
235 	OWNED_BY_HOST = 0,
236 	OWNED_BY_NIC = cpu_to_le16(0x8000)
237 };
238 
239 
240 /*
241  *	MAC registers and macros.
242  */
243 
244 
245 #define MCAM_SIZE           64
246 #define VCAM_SIZE           64
247 #define TX_QUEUE_NO         4
248 
249 #define MAX_HW_MIB_COUNTER  32
250 #define VELOCITY_MIN_MTU    (64)
251 #define VELOCITY_MAX_MTU    (9000)
252 
253 /*
254  *	Registers in the MAC
255  */
256 
257 #define MAC_REG_PAR         0x00	// physical address
258 #define MAC_REG_RCR         0x06
259 #define MAC_REG_TCR         0x07
260 #define MAC_REG_CR0_SET     0x08
261 #define MAC_REG_CR1_SET     0x09
262 #define MAC_REG_CR2_SET     0x0A
263 #define MAC_REG_CR3_SET     0x0B
264 #define MAC_REG_CR0_CLR     0x0C
265 #define MAC_REG_CR1_CLR     0x0D
266 #define MAC_REG_CR2_CLR     0x0E
267 #define MAC_REG_CR3_CLR     0x0F
268 #define MAC_REG_MAR         0x10
269 #define MAC_REG_CAM         0x10
270 #define MAC_REG_DEC_BASE_HI 0x18
271 #define MAC_REG_DBF_BASE_HI 0x1C
272 #define MAC_REG_ISR_CTL     0x20
273 #define MAC_REG_ISR_HOTMR   0x20
274 #define MAC_REG_ISR_TSUPTHR 0x20
275 #define MAC_REG_ISR_RSUPTHR 0x20
276 #define MAC_REG_ISR_CTL1    0x21
277 #define MAC_REG_TXE_SR      0x22
278 #define MAC_REG_RXE_SR      0x23
279 #define MAC_REG_ISR         0x24
280 #define MAC_REG_ISR0        0x24
281 #define MAC_REG_ISR1        0x25
282 #define MAC_REG_ISR2        0x26
283 #define MAC_REG_ISR3        0x27
284 #define MAC_REG_IMR         0x28
285 #define MAC_REG_IMR0        0x28
286 #define MAC_REG_IMR1        0x29
287 #define MAC_REG_IMR2        0x2A
288 #define MAC_REG_IMR3        0x2B
289 #define MAC_REG_TDCSR_SET   0x30
290 #define MAC_REG_RDCSR_SET   0x32
291 #define MAC_REG_TDCSR_CLR   0x34
292 #define MAC_REG_RDCSR_CLR   0x36
293 #define MAC_REG_RDBASE_LO   0x38
294 #define MAC_REG_RDINDX      0x3C
295 #define MAC_REG_TDBASE_LO   0x40
296 #define MAC_REG_RDCSIZE     0x50
297 #define MAC_REG_TDCSIZE     0x52
298 #define MAC_REG_TDINDX      0x54
299 #define MAC_REG_TDIDX0      0x54
300 #define MAC_REG_TDIDX1      0x56
301 #define MAC_REG_TDIDX2      0x58
302 #define MAC_REG_TDIDX3      0x5A
303 #define MAC_REG_PAUSE_TIMER 0x5C
304 #define MAC_REG_RBRDU       0x5E
305 #define MAC_REG_FIFO_TEST0  0x60
306 #define MAC_REG_FIFO_TEST1  0x64
307 #define MAC_REG_CAMADDR     0x68
308 #define MAC_REG_CAMCR       0x69
309 #define MAC_REG_GFTEST      0x6A
310 #define MAC_REG_FTSTCMD     0x6B
311 #define MAC_REG_MIICFG      0x6C
312 #define MAC_REG_MIISR       0x6D
313 #define MAC_REG_PHYSR0      0x6E
314 #define MAC_REG_PHYSR1      0x6F
315 #define MAC_REG_MIICR       0x70
316 #define MAC_REG_MIIADR      0x71
317 #define MAC_REG_MIIDATA     0x72
318 #define MAC_REG_SOFT_TIMER0 0x74
319 #define MAC_REG_SOFT_TIMER1 0x76
320 #define MAC_REG_CFGA        0x78
321 #define MAC_REG_CFGB        0x79
322 #define MAC_REG_CFGC        0x7A
323 #define MAC_REG_CFGD        0x7B
324 #define MAC_REG_DCFG0       0x7C
325 #define MAC_REG_DCFG1       0x7D
326 #define MAC_REG_MCFG0       0x7E
327 #define MAC_REG_MCFG1       0x7F
328 
329 #define MAC_REG_TBIST       0x80
330 #define MAC_REG_RBIST       0x81
331 #define MAC_REG_PMCC        0x82
332 #define MAC_REG_STICKHW     0x83
333 #define MAC_REG_MIBCR       0x84
334 #define MAC_REG_EERSV       0x85
335 #define MAC_REG_REVID       0x86
336 #define MAC_REG_MIBREAD     0x88
337 #define MAC_REG_BPMA        0x8C
338 #define MAC_REG_EEWR_DATA   0x8C
339 #define MAC_REG_BPMD_WR     0x8F
340 #define MAC_REG_BPCMD       0x90
341 #define MAC_REG_BPMD_RD     0x91
342 #define MAC_REG_EECHKSUM    0x92
343 #define MAC_REG_EECSR       0x93
344 #define MAC_REG_EERD_DATA   0x94
345 #define MAC_REG_EADDR       0x96
346 #define MAC_REG_EMBCMD      0x97
347 #define MAC_REG_JMPSR0      0x98
348 #define MAC_REG_JMPSR1      0x99
349 #define MAC_REG_JMPSR2      0x9A
350 #define MAC_REG_JMPSR3      0x9B
351 #define MAC_REG_CHIPGSR     0x9C
352 #define MAC_REG_TESTCFG     0x9D
353 #define MAC_REG_DEBUG       0x9E
354 #define MAC_REG_CHIPGCR     0x9F	/* Chip Operation and Diagnostic Control */
355 #define MAC_REG_WOLCR0_SET  0xA0
356 #define MAC_REG_WOLCR1_SET  0xA1
357 #define MAC_REG_PWCFG_SET   0xA2
358 #define MAC_REG_WOLCFG_SET  0xA3
359 #define MAC_REG_WOLCR0_CLR  0xA4
360 #define MAC_REG_WOLCR1_CLR  0xA5
361 #define MAC_REG_PWCFG_CLR   0xA6
362 #define MAC_REG_WOLCFG_CLR  0xA7
363 #define MAC_REG_WOLSR0_SET  0xA8
364 #define MAC_REG_WOLSR1_SET  0xA9
365 #define MAC_REG_WOLSR0_CLR  0xAC
366 #define MAC_REG_WOLSR1_CLR  0xAD
367 #define MAC_REG_PATRN_CRC0  0xB0
368 #define MAC_REG_PATRN_CRC1  0xB2
369 #define MAC_REG_PATRN_CRC2  0xB4
370 #define MAC_REG_PATRN_CRC3  0xB6
371 #define MAC_REG_PATRN_CRC4  0xB8
372 #define MAC_REG_PATRN_CRC5  0xBA
373 #define MAC_REG_PATRN_CRC6  0xBC
374 #define MAC_REG_PATRN_CRC7  0xBE
375 #define MAC_REG_BYTEMSK0_0  0xC0
376 #define MAC_REG_BYTEMSK0_1  0xC4
377 #define MAC_REG_BYTEMSK0_2  0xC8
378 #define MAC_REG_BYTEMSK0_3  0xCC
379 #define MAC_REG_BYTEMSK1_0  0xD0
380 #define MAC_REG_BYTEMSK1_1  0xD4
381 #define MAC_REG_BYTEMSK1_2  0xD8
382 #define MAC_REG_BYTEMSK1_3  0xDC
383 #define MAC_REG_BYTEMSK2_0  0xE0
384 #define MAC_REG_BYTEMSK2_1  0xE4
385 #define MAC_REG_BYTEMSK2_2  0xE8
386 #define MAC_REG_BYTEMSK2_3  0xEC
387 #define MAC_REG_BYTEMSK3_0  0xF0
388 #define MAC_REG_BYTEMSK3_1  0xF4
389 #define MAC_REG_BYTEMSK3_2  0xF8
390 #define MAC_REG_BYTEMSK3_3  0xFC
391 
392 /*
393  *	Bits in the RCR register
394  */
395 
396 #define RCR_AS              0x80
397 #define RCR_AP              0x40
398 #define RCR_AL              0x20
399 #define RCR_PROM            0x10
400 #define RCR_AB              0x08
401 #define RCR_AM              0x04
402 #define RCR_AR              0x02
403 #define RCR_SEP             0x01
404 
405 /*
406  *	Bits in the TCR register
407  */
408 
409 #define TCR_TB2BDIS         0x80
410 #define TCR_COLTMC1         0x08
411 #define TCR_COLTMC0         0x04
412 #define TCR_LB1             0x02	/* loopback[1] */
413 #define TCR_LB0             0x01	/* loopback[0] */
414 
415 /*
416  *	Bits in the CR0 register
417  */
418 
419 #define CR0_TXON            0x00000008UL
420 #define CR0_RXON            0x00000004UL
421 #define CR0_STOP            0x00000002UL	/* stop MAC, default = 1 */
422 #define CR0_STRT            0x00000001UL	/* start MAC */
423 #define CR0_SFRST           0x00008000UL	/* software reset */
424 #define CR0_TM1EN           0x00004000UL
425 #define CR0_TM0EN           0x00002000UL
426 #define CR0_DPOLL           0x00000800UL	/* disable rx/tx auto polling */
427 #define CR0_DISAU           0x00000100UL
428 #define CR0_XONEN           0x00800000UL
429 #define CR0_FDXTFCEN        0x00400000UL	/* full-duplex TX flow control enable */
430 #define CR0_FDXRFCEN        0x00200000UL	/* full-duplex RX flow control enable */
431 #define CR0_HDXFCEN         0x00100000UL	/* half-duplex flow control enable */
432 #define CR0_XHITH1          0x00080000UL	/* TX XON high threshold 1 */
433 #define CR0_XHITH0          0x00040000UL	/* TX XON high threshold 0 */
434 #define CR0_XLTH1           0x00020000UL	/* TX pause frame low threshold 1 */
435 #define CR0_XLTH0           0x00010000UL	/* TX pause frame low threshold 0 */
436 #define CR0_GSPRST          0x80000000UL
437 #define CR0_FORSRST         0x40000000UL
438 #define CR0_FPHYRST         0x20000000UL
439 #define CR0_DIAG            0x10000000UL
440 #define CR0_INTPCTL         0x04000000UL
441 #define CR0_GINTMSK1        0x02000000UL
442 #define CR0_GINTMSK0        0x01000000UL
443 
444 /*
445  *	Bits in the CR1 register
446  */
447 
448 #define CR1_SFRST           0x80	/* software reset */
449 #define CR1_TM1EN           0x40
450 #define CR1_TM0EN           0x20
451 #define CR1_DPOLL           0x08	/* disable rx/tx auto polling */
452 #define CR1_DISAU           0x01
453 
454 /*
455  *	Bits in the CR2 register
456  */
457 
458 #define CR2_XONEN           0x80
459 #define CR2_FDXTFCEN        0x40	/* full-duplex TX flow control enable */
460 #define CR2_FDXRFCEN        0x20	/* full-duplex RX flow control enable */
461 #define CR2_HDXFCEN         0x10	/* half-duplex flow control enable */
462 #define CR2_XHITH1          0x08	/* TX XON high threshold 1 */
463 #define CR2_XHITH0          0x04	/* TX XON high threshold 0 */
464 #define CR2_XLTH1           0x02	/* TX pause frame low threshold 1 */
465 #define CR2_XLTH0           0x01	/* TX pause frame low threshold 0 */
466 
467 /*
468  *	Bits in the CR3 register
469  */
470 
471 #define CR3_GSPRST          0x80
472 #define CR3_FORSRST         0x40
473 #define CR3_FPHYRST         0x20
474 #define CR3_DIAG            0x10
475 #define CR3_INTPCTL         0x04
476 #define CR3_GINTMSK1        0x02
477 #define CR3_GINTMSK0        0x01
478 
479 #define ISRCTL_UDPINT       0x8000
480 #define ISRCTL_TSUPDIS      0x4000
481 #define ISRCTL_RSUPDIS      0x2000
482 #define ISRCTL_PMSK1        0x1000
483 #define ISRCTL_PMSK0        0x0800
484 #define ISRCTL_INTPD        0x0400
485 #define ISRCTL_HCRLD        0x0200
486 #define ISRCTL_SCRLD        0x0100
487 
488 /*
489  *	Bits in the ISR_CTL1 register
490  */
491 
492 #define ISRCTL1_UDPINT      0x80
493 #define ISRCTL1_TSUPDIS     0x40
494 #define ISRCTL1_RSUPDIS     0x20
495 #define ISRCTL1_PMSK1       0x10
496 #define ISRCTL1_PMSK0       0x08
497 #define ISRCTL1_INTPD       0x04
498 #define ISRCTL1_HCRLD       0x02
499 #define ISRCTL1_SCRLD       0x01
500 
501 /*
502  *	Bits in the TXE_SR register
503  */
504 
505 #define TXESR_TFDBS         0x08
506 #define TXESR_TDWBS         0x04
507 #define TXESR_TDRBS         0x02
508 #define TXESR_TDSTR         0x01
509 
510 /*
511  *	Bits in the RXE_SR register
512  */
513 
514 #define RXESR_RFDBS         0x08
515 #define RXESR_RDWBS         0x04
516 #define RXESR_RDRBS         0x02
517 #define RXESR_RDSTR         0x01
518 
519 /*
520  *	Bits in the ISR register
521  */
522 
523 #define ISR_ISR3            0x80000000UL
524 #define ISR_ISR2            0x40000000UL
525 #define ISR_ISR1            0x20000000UL
526 #define ISR_ISR0            0x10000000UL
527 #define ISR_TXSTLI          0x02000000UL
528 #define ISR_RXSTLI          0x01000000UL
529 #define ISR_HFLD            0x00800000UL
530 #define ISR_UDPI            0x00400000UL
531 #define ISR_MIBFI           0x00200000UL
532 #define ISR_SHDNI           0x00100000UL
533 #define ISR_PHYI            0x00080000UL
534 #define ISR_PWEI            0x00040000UL
535 #define ISR_TMR1I           0x00020000UL
536 #define ISR_TMR0I           0x00010000UL
537 #define ISR_SRCI            0x00008000UL
538 #define ISR_LSTPEI          0x00004000UL
539 #define ISR_LSTEI           0x00002000UL
540 #define ISR_OVFI            0x00001000UL
541 #define ISR_FLONI           0x00000800UL
542 #define ISR_RACEI           0x00000400UL
543 #define ISR_TXWB1I          0x00000200UL
544 #define ISR_TXWB0I          0x00000100UL
545 #define ISR_PTX3I           0x00000080UL
546 #define ISR_PTX2I           0x00000040UL
547 #define ISR_PTX1I           0x00000020UL
548 #define ISR_PTX0I           0x00000010UL
549 #define ISR_PTXI            0x00000008UL
550 #define ISR_PRXI            0x00000004UL
551 #define ISR_PPTXI           0x00000002UL
552 #define ISR_PPRXI           0x00000001UL
553 
554 /*
555  *	Bits in the IMR register
556  */
557 
558 #define IMR_TXSTLM          0x02000000UL
559 #define IMR_UDPIM           0x00400000UL
560 #define IMR_MIBFIM          0x00200000UL
561 #define IMR_SHDNIM          0x00100000UL
562 #define IMR_PHYIM           0x00080000UL
563 #define IMR_PWEIM           0x00040000UL
564 #define IMR_TMR1IM          0x00020000UL
565 #define IMR_TMR0IM          0x00010000UL
566 
567 #define IMR_SRCIM           0x00008000UL
568 #define IMR_LSTPEIM         0x00004000UL
569 #define IMR_LSTEIM          0x00002000UL
570 #define IMR_OVFIM           0x00001000UL
571 #define IMR_FLONIM          0x00000800UL
572 #define IMR_RACEIM          0x00000400UL
573 #define IMR_TXWB1IM         0x00000200UL
574 #define IMR_TXWB0IM         0x00000100UL
575 
576 #define IMR_PTX3IM          0x00000080UL
577 #define IMR_PTX2IM          0x00000040UL
578 #define IMR_PTX1IM          0x00000020UL
579 #define IMR_PTX0IM          0x00000010UL
580 #define IMR_PTXIM           0x00000008UL
581 #define IMR_PRXIM           0x00000004UL
582 #define IMR_PPTXIM          0x00000002UL
583 #define IMR_PPRXIM          0x00000001UL
584 
585 /* 0x0013FB0FUL  =  initial value of IMR */
586 
587 #define INT_MASK_DEF        (IMR_PPTXIM|IMR_PPRXIM|IMR_PTXIM|IMR_PRXIM|\
588                             IMR_PWEIM|IMR_TXWB0IM|IMR_TXWB1IM|IMR_FLONIM|\
589                             IMR_OVFIM|IMR_LSTEIM|IMR_LSTPEIM|IMR_SRCIM|IMR_MIBFIM|\
590                             IMR_SHDNIM|IMR_TMR1IM|IMR_TMR0IM|IMR_TXSTLM)
591 
592 /*
593  *	Bits in the TDCSR0/1, RDCSR0 register
594  */
595 
596 #define TRDCSR_DEAD         0x0008
597 #define TRDCSR_WAK          0x0004
598 #define TRDCSR_ACT          0x0002
599 #define TRDCSR_RUN	    0x0001
600 
601 /*
602  *	Bits in the CAMADDR register
603  */
604 
605 #define CAMADDR_CAMEN       0x80
606 #define CAMADDR_VCAMSL      0x40
607 
608 /*
609  *	Bits in the CAMCR register
610  */
611 
612 #define CAMCR_PS1           0x80
613 #define CAMCR_PS0           0x40
614 #define CAMCR_AITRPKT       0x20
615 #define CAMCR_AITR16        0x10
616 #define CAMCR_CAMRD         0x08
617 #define CAMCR_CAMWR         0x04
618 #define CAMCR_PS_CAM_MASK   0x40
619 #define CAMCR_PS_CAM_DATA   0x80
620 #define CAMCR_PS_MAR        0x00
621 
622 /*
623  *	Bits in the MIICFG register
624  */
625 
626 #define MIICFG_MPO1         0x80
627 #define MIICFG_MPO0         0x40
628 #define MIICFG_MFDC         0x20
629 
630 /*
631  *	Bits in the MIISR register
632  */
633 
634 #define MIISR_MIDLE         0x80
635 
636 /*
637  *	 Bits in the PHYSR0 register
638  */
639 
640 #define PHYSR0_PHYRST       0x80
641 #define PHYSR0_LINKGD       0x40
642 #define PHYSR0_FDPX         0x10
643 #define PHYSR0_SPDG         0x08
644 #define PHYSR0_SPD10        0x04
645 #define PHYSR0_RXFLC        0x02
646 #define PHYSR0_TXFLC        0x01
647 
648 /*
649  *	Bits in the PHYSR1 register
650  */
651 
652 #define PHYSR1_PHYTBI       0x01
653 
654 /*
655  *	Bits in the MIICR register
656  */
657 
658 #define MIICR_MAUTO         0x80
659 #define MIICR_RCMD          0x40
660 #define MIICR_WCMD          0x20
661 #define MIICR_MDPM          0x10
662 #define MIICR_MOUT          0x08
663 #define MIICR_MDO           0x04
664 #define MIICR_MDI           0x02
665 #define MIICR_MDC           0x01
666 
667 /*
668  *	Bits in the MIIADR register
669  */
670 
671 #define MIIADR_SWMPL        0x80
672 
673 /*
674  *	Bits in the CFGA register
675  */
676 
677 #define CFGA_PMHCTG         0x08
678 #define CFGA_GPIO1PD        0x04
679 #define CFGA_ABSHDN         0x02
680 #define CFGA_PACPI          0x01
681 
682 /*
683  *	Bits in the CFGB register
684  */
685 
686 #define CFGB_GTCKOPT        0x80
687 #define CFGB_MIIOPT         0x40
688 #define CFGB_CRSEOPT        0x20
689 #define CFGB_OFSET          0x10
690 #define CFGB_CRANDOM        0x08
691 #define CFGB_CAP            0x04
692 #define CFGB_MBA            0x02
693 #define CFGB_BAKOPT         0x01
694 
695 /*
696  *	Bits in the CFGC register
697  */
698 
699 #define CFGC_EELOAD         0x80
700 #define CFGC_BROPT          0x40
701 #define CFGC_DLYEN          0x20
702 #define CFGC_DTSEL          0x10
703 #define CFGC_BTSEL          0x08
704 #define CFGC_BPS2           0x04	/* bootrom select[2] */
705 #define CFGC_BPS1           0x02	/* bootrom select[1] */
706 #define CFGC_BPS0           0x01	/* bootrom select[0] */
707 
708 /*
709  * Bits in the CFGD register
710  */
711 
712 #define CFGD_IODIS          0x80
713 #define CFGD_MSLVDACEN      0x40
714 #define CFGD_CFGDACEN       0x20
715 #define CFGD_PCI64EN        0x10
716 #define CFGD_HTMRL4         0x08
717 
718 /*
719  *	Bits in the DCFG1 register
720  */
721 
722 #define DCFG_XMWI           0x8000
723 #define DCFG_XMRM           0x4000
724 #define DCFG_XMRL           0x2000
725 #define DCFG_PERDIS         0x1000
726 #define DCFG_MRWAIT         0x0400
727 #define DCFG_MWWAIT         0x0200
728 #define DCFG_LATMEN         0x0100
729 
730 /*
731  *	Bits in the MCFG0 register
732  */
733 
734 #define MCFG_RXARB          0x0080
735 #define MCFG_RFT1           0x0020
736 #define MCFG_RFT0           0x0010
737 #define MCFG_LOWTHOPT       0x0008
738 #define MCFG_PQEN           0x0004
739 #define MCFG_RTGOPT         0x0002
740 #define MCFG_VIDFR          0x0001
741 
742 /*
743  *	Bits in the MCFG1 register
744  */
745 
746 #define MCFG_TXARB          0x8000
747 #define MCFG_TXQBK1         0x0800
748 #define MCFG_TXQBK0         0x0400
749 #define MCFG_TXQNOBK        0x0200
750 #define MCFG_SNAPOPT        0x0100
751 
752 /*
753  *	Bits in the PMCC  register
754  */
755 
756 #define PMCC_DSI            0x80
757 #define PMCC_D2_DIS         0x40
758 #define PMCC_D1_DIS         0x20
759 #define PMCC_D3C_EN         0x10
760 #define PMCC_D3H_EN         0x08
761 #define PMCC_D2_EN          0x04
762 #define PMCC_D1_EN          0x02
763 #define PMCC_D0_EN          0x01
764 
765 /*
766  *	Bits in STICKHW
767  */
768 
769 #define STICKHW_SWPTAG      0x10
770 #define STICKHW_WOLSR       0x08
771 #define STICKHW_WOLEN       0x04
772 #define STICKHW_DS1         0x02	/* R/W by software/cfg cycle */
773 #define STICKHW_DS0         0x01	/* suspend well DS write port */
774 
775 /*
776  *	Bits in the MIBCR register
777  */
778 
779 #define MIBCR_MIBISTOK      0x80
780 #define MIBCR_MIBISTGO      0x40
781 #define MIBCR_MIBINC        0x20
782 #define MIBCR_MIBHI         0x10
783 #define MIBCR_MIBFRZ        0x08
784 #define MIBCR_MIBFLSH       0x04
785 #define MIBCR_MPTRINI       0x02
786 #define MIBCR_MIBCLR        0x01
787 
788 /*
789  *	Bits in the EERSV register
790  */
791 
792 #define EERSV_BOOT_RPL      ((u8) 0x01)	 /* Boot method selection for VT6110 */
793 
794 #define EERSV_BOOT_MASK     ((u8) 0x06)
795 #define EERSV_BOOT_INT19    ((u8) 0x00)
796 #define EERSV_BOOT_INT18    ((u8) 0x02)
797 #define EERSV_BOOT_LOCAL    ((u8) 0x04)
798 #define EERSV_BOOT_BEV      ((u8) 0x06)
799 
800 
801 /*
802  *	Bits in BPCMD
803  */
804 
805 #define BPCMD_BPDNE         0x80
806 #define BPCMD_EBPWR         0x02
807 #define BPCMD_EBPRD         0x01
808 
809 /*
810  *	Bits in the EECSR register
811  */
812 
813 #define EECSR_EMBP          0x40	/* eeprom embedded programming */
814 #define EECSR_RELOAD        0x20	/* eeprom content reload */
815 #define EECSR_DPM           0x10	/* eeprom direct programming */
816 #define EECSR_ECS           0x08	/* eeprom CS pin */
817 #define EECSR_ECK           0x04	/* eeprom CK pin */
818 #define EECSR_EDI           0x02	/* eeprom DI pin */
819 #define EECSR_EDO           0x01	/* eeprom DO pin */
820 
821 /*
822  *	Bits in the EMBCMD register
823  */
824 
825 #define EMBCMD_EDONE        0x80
826 #define EMBCMD_EWDIS        0x08
827 #define EMBCMD_EWEN         0x04
828 #define EMBCMD_EWR          0x02
829 #define EMBCMD_ERD          0x01
830 
831 /*
832  *	Bits in TESTCFG register
833  */
834 
835 #define TESTCFG_HBDIS       0x80
836 
837 /*
838  *	Bits in CHIPGCR register
839  */
840 
841 #define CHIPGCR_FCGMII      0x80	/* force GMII (else MII only) */
842 #define CHIPGCR_FCFDX       0x40	/* force full duplex */
843 #define CHIPGCR_FCRESV      0x20
844 #define CHIPGCR_FCMODE      0x10	/* enable MAC forced mode */
845 #define CHIPGCR_LPSOPT      0x08
846 #define CHIPGCR_TM1US       0x04
847 #define CHIPGCR_TM0US       0x02
848 #define CHIPGCR_PHYINTEN    0x01
849 
850 /*
851  *	Bits in WOLCR0
852  */
853 
854 #define WOLCR_MSWOLEN7      0x0080	/* enable pattern match filtering */
855 #define WOLCR_MSWOLEN6      0x0040
856 #define WOLCR_MSWOLEN5      0x0020
857 #define WOLCR_MSWOLEN4      0x0010
858 #define WOLCR_MSWOLEN3      0x0008
859 #define WOLCR_MSWOLEN2      0x0004
860 #define WOLCR_MSWOLEN1      0x0002
861 #define WOLCR_MSWOLEN0      0x0001
862 #define WOLCR_ARP_EN        0x0001
863 
864 /*
865  *	Bits in WOLCR1
866  */
867 
868 #define WOLCR_LINKOFF_EN      0x0800	/* link off detected enable */
869 #define WOLCR_LINKON_EN       0x0400	/* link on detected enable */
870 #define WOLCR_MAGIC_EN        0x0200	/* magic packet filter enable */
871 #define WOLCR_UNICAST_EN      0x0100	/* unicast filter enable */
872 
873 
874 /*
875  *	Bits in PWCFG
876  */
877 
878 #define PWCFG_PHYPWOPT          0x80	/* internal MII I/F timing */
879 #define PWCFG_PCISTICK          0x40	/* PCI sticky R/W enable */
880 #define PWCFG_WOLTYPE           0x20	/* pulse(1) or button (0) */
881 #define PWCFG_LEGCY_WOL         0x10
882 #define PWCFG_PMCSR_PME_SR      0x08
883 #define PWCFG_PMCSR_PME_EN      0x04	/* control by PCISTICK */
884 #define PWCFG_LEGACY_WOLSR      0x02	/* Legacy WOL_SR shadow */
885 #define PWCFG_LEGACY_WOLEN      0x01	/* Legacy WOL_EN shadow */
886 
887 /*
888  *	Bits in WOLCFG
889  */
890 
891 #define WOLCFG_PMEOVR           0x80	/* for legacy use, force PMEEN always */
892 #define WOLCFG_SAM              0x20	/* accept multicast case reset, default=0 */
893 #define WOLCFG_SAB              0x10	/* accept broadcast case reset, default=0 */
894 #define WOLCFG_SMIIACC          0x08	/* ?? */
895 #define WOLCFG_SGENWH           0x02
896 #define WOLCFG_PHYINTEN         0x01	/* 0:PHYINT trigger enable, 1:use internal MII
897 					  to report status change */
898 /*
899  *	Bits in WOLSR1
900  */
901 
902 #define WOLSR_LINKOFF_INT      0x0800
903 #define WOLSR_LINKON_INT       0x0400
904 #define WOLSR_MAGIC_INT        0x0200
905 #define WOLSR_UNICAST_INT      0x0100
906 
907 /*
908  *	Ethernet address filter type
909  */
910 
911 #define PKT_TYPE_NONE               0x0000	/* Turn off receiver */
912 #define PKT_TYPE_DIRECTED           0x0001	/* obselete, directed address is always accepted */
913 #define PKT_TYPE_MULTICAST          0x0002
914 #define PKT_TYPE_ALL_MULTICAST      0x0004
915 #define PKT_TYPE_BROADCAST          0x0008
916 #define PKT_TYPE_PROMISCUOUS        0x0020
917 #define PKT_TYPE_LONG               0x2000	/* NOTE.... the definition of LONG is >2048 bytes in our chip */
918 #define PKT_TYPE_RUNT               0x4000
919 #define PKT_TYPE_ERROR              0x8000	/* Accept error packets, e.g. CRC error */
920 
921 /*
922  *	Loopback mode
923  */
924 
925 #define MAC_LB_NONE         0x00
926 #define MAC_LB_INTERNAL     0x01
927 #define MAC_LB_EXTERNAL     0x02
928 
929 /*
930  *	Enabled mask value of irq
931  */
932 
933 #if defined(_SIM)
934 #define IMR_MASK_VALUE      0x0033FF0FUL	/* initial value of IMR
935 						   set IMR0 to 0x0F according to spec */
936 
937 #else
938 #define IMR_MASK_VALUE      0x0013FB0FUL	/* initial value of IMR
939 						   ignore MIBFI,RACEI to
940 						   reduce intr. frequency
941 						   NOTE.... do not enable NoBuf int mask at driver
942 						      when (1) NoBuf -> RxThreshold = SF
943 							   (2) OK    -> RxThreshold = original value
944 						 */
945 #endif
946 
947 /*
948  *	Revision id
949  */
950 
951 #define REV_ID_VT3119_A0	0x00
952 #define REV_ID_VT3119_A1	0x01
953 #define REV_ID_VT3216_A0	0x10
954 
955 /*
956  *	Max time out delay time
957  */
958 
959 #define W_MAX_TIMEOUT       0x0FFFU
960 
961 
962 /*
963  *	MAC registers as a structure. Cannot be directly accessed this
964  *	way but generates offsets for readl/writel() calls
965  */
966 
967 struct mac_regs {
968 	volatile u8 PAR[6];		/* 0x00 */
969 	volatile u8 RCR;
970 	volatile u8 TCR;
971 
972 	volatile __le32 CR0Set;		/* 0x08 */
973 	volatile __le32 CR0Clr;		/* 0x0C */
974 
975 	volatile u8 MARCAM[8];		/* 0x10 */
976 
977 	volatile __le32 DecBaseHi;	/* 0x18 */
978 	volatile __le16 DbfBaseHi;	/* 0x1C */
979 	volatile __le16 reserved_1E;
980 
981 	volatile __le16 ISRCTL;		/* 0x20 */
982 	volatile u8 TXESR;
983 	volatile u8 RXESR;
984 
985 	volatile __le32 ISR;		/* 0x24 */
986 	volatile __le32 IMR;
987 
988 	volatile __le32 TDStatusPort;	/* 0x2C */
989 
990 	volatile __le16 TDCSRSet;	/* 0x30 */
991 	volatile u8 RDCSRSet;
992 	volatile u8 reserved_33;
993 	volatile __le16 TDCSRClr;
994 	volatile u8 RDCSRClr;
995 	volatile u8 reserved_37;
996 
997 	volatile __le32 RDBaseLo;	/* 0x38 */
998 	volatile __le16 RDIdx;		/* 0x3C */
999 	volatile u8 TQETMR;		/* 0x3E, VT3216 and above only */
1000 	volatile u8 RQETMR;		/* 0x3F, VT3216 and above only */
1001 
1002 	volatile __le32 TDBaseLo[4];	/* 0x40 */
1003 
1004 	volatile __le16 RDCSize;	/* 0x50 */
1005 	volatile __le16 TDCSize;	/* 0x52 */
1006 	volatile __le16 TDIdx[4];	/* 0x54 */
1007 	volatile __le16 tx_pause_timer;	/* 0x5C */
1008 	volatile __le16 RBRDU;		/* 0x5E */
1009 
1010 	volatile __le32 FIFOTest0;	/* 0x60 */
1011 	volatile __le32 FIFOTest1;	/* 0x64 */
1012 
1013 	volatile u8 CAMADDR;		/* 0x68 */
1014 	volatile u8 CAMCR;		/* 0x69 */
1015 	volatile u8 GFTEST;		/* 0x6A */
1016 	volatile u8 FTSTCMD;		/* 0x6B */
1017 
1018 	volatile u8 MIICFG;		/* 0x6C */
1019 	volatile u8 MIISR;
1020 	volatile u8 PHYSR0;
1021 	volatile u8 PHYSR1;
1022 	volatile u8 MIICR;
1023 	volatile u8 MIIADR;
1024 	volatile __le16 MIIDATA;
1025 
1026 	volatile __le16 SoftTimer0;	/* 0x74 */
1027 	volatile __le16 SoftTimer1;
1028 
1029 	volatile u8 CFGA;		/* 0x78 */
1030 	volatile u8 CFGB;
1031 	volatile u8 CFGC;
1032 	volatile u8 CFGD;
1033 
1034 	volatile __le16 DCFG;		/* 0x7C */
1035 	volatile __le16 MCFG;
1036 
1037 	volatile u8 TBIST;		/* 0x80 */
1038 	volatile u8 RBIST;
1039 	volatile u8 PMCPORT;
1040 	volatile u8 STICKHW;
1041 
1042 	volatile u8 MIBCR;		/* 0x84 */
1043 	volatile u8 reserved_85;
1044 	volatile u8 rev_id;
1045 	volatile u8 PORSTS;
1046 
1047 	volatile __le32 MIBData;	/* 0x88 */
1048 
1049 	volatile __le16 EEWrData;
1050 
1051 	volatile u8 reserved_8E;
1052 	volatile u8 BPMDWr;
1053 	volatile u8 BPCMD;
1054 	volatile u8 BPMDRd;
1055 
1056 	volatile u8 EECHKSUM;		/* 0x92 */
1057 	volatile u8 EECSR;
1058 
1059 	volatile __le16 EERdData;	/* 0x94 */
1060 	volatile u8 EADDR;
1061 	volatile u8 EMBCMD;
1062 
1063 
1064 	volatile u8 JMPSR0;		/* 0x98 */
1065 	volatile u8 JMPSR1;
1066 	volatile u8 JMPSR2;
1067 	volatile u8 JMPSR3;
1068 	volatile u8 CHIPGSR;		/* 0x9C */
1069 	volatile u8 TESTCFG;
1070 	volatile u8 DEBUG;
1071 	volatile u8 CHIPGCR;
1072 
1073 	volatile __le16 WOLCRSet;	/* 0xA0 */
1074 	volatile u8 PWCFGSet;
1075 	volatile u8 WOLCFGSet;
1076 
1077 	volatile __le16 WOLCRClr;	/* 0xA4 */
1078 	volatile u8 PWCFGCLR;
1079 	volatile u8 WOLCFGClr;
1080 
1081 	volatile __le16 WOLSRSet;	/* 0xA8 */
1082 	volatile __le16 reserved_AA;
1083 
1084 	volatile __le16 WOLSRClr;	/* 0xAC */
1085 	volatile __le16 reserved_AE;
1086 
1087 	volatile __le16 PatternCRC[8];	/* 0xB0 */
1088 	volatile __le32 ByteMask[4][4];	/* 0xC0 */
1089 };
1090 
1091 
1092 enum hw_mib {
1093 	HW_MIB_ifRxAllPkts = 0,
1094 	HW_MIB_ifRxOkPkts,
1095 	HW_MIB_ifTxOkPkts,
1096 	HW_MIB_ifRxErrorPkts,
1097 	HW_MIB_ifRxRuntOkPkt,
1098 	HW_MIB_ifRxRuntErrPkt,
1099 	HW_MIB_ifRx64Pkts,
1100 	HW_MIB_ifTx64Pkts,
1101 	HW_MIB_ifRx65To127Pkts,
1102 	HW_MIB_ifTx65To127Pkts,
1103 	HW_MIB_ifRx128To255Pkts,
1104 	HW_MIB_ifTx128To255Pkts,
1105 	HW_MIB_ifRx256To511Pkts,
1106 	HW_MIB_ifTx256To511Pkts,
1107 	HW_MIB_ifRx512To1023Pkts,
1108 	HW_MIB_ifTx512To1023Pkts,
1109 	HW_MIB_ifRx1024To1518Pkts,
1110 	HW_MIB_ifTx1024To1518Pkts,
1111 	HW_MIB_ifTxEtherCollisions,
1112 	HW_MIB_ifRxPktCRCE,
1113 	HW_MIB_ifRxJumboPkts,
1114 	HW_MIB_ifTxJumboPkts,
1115 	HW_MIB_ifRxMacControlFrames,
1116 	HW_MIB_ifTxMacControlFrames,
1117 	HW_MIB_ifRxPktFAE,
1118 	HW_MIB_ifRxLongOkPkt,
1119 	HW_MIB_ifRxLongPktErrPkt,
1120 	HW_MIB_ifTXSQEErrors,
1121 	HW_MIB_ifRxNobuf,
1122 	HW_MIB_ifRxSymbolErrors,
1123 	HW_MIB_ifInRangeLengthErrors,
1124 	HW_MIB_ifLateCollisions,
1125 	HW_MIB_SIZE
1126 };
1127 
1128 enum chip_type {
1129 	CHIP_TYPE_VT6110 = 1,
1130 };
1131 
1132 struct velocity_info_tbl {
1133 	enum chip_type chip_id;
1134 	const char *name;
1135 	int txqueue;
1136 	u32 flags;
1137 };
1138 
1139 #define mac_hw_mibs_init(regs) {\
1140 	BYTE_REG_BITS_ON(MIBCR_MIBFRZ,&((regs)->MIBCR));\
1141 	BYTE_REG_BITS_ON(MIBCR_MIBCLR,&((regs)->MIBCR));\
1142 	do {}\
1143 		while (BYTE_REG_BITS_IS_ON(MIBCR_MIBCLR,&((regs)->MIBCR)));\
1144 	BYTE_REG_BITS_OFF(MIBCR_MIBFRZ,&((regs)->MIBCR));\
1145 }
1146 
1147 #define mac_read_isr(regs)  		readl(&((regs)->ISR))
1148 #define mac_write_isr(regs, x)  	writel((x),&((regs)->ISR))
1149 #define mac_clear_isr(regs) 		writel(0xffffffffL,&((regs)->ISR))
1150 
1151 #define mac_write_int_mask(mask, regs) 	writel((mask),&((regs)->IMR));
1152 #define mac_disable_int(regs)       	writel(CR0_GINTMSK1,&((regs)->CR0Clr))
1153 #define mac_enable_int(regs)    	writel(CR0_GINTMSK1,&((regs)->CR0Set))
1154 
1155 #define mac_set_dma_length(regs, n) {\
1156 	BYTE_REG_BITS_SET((n),0x07,&((regs)->DCFG));\
1157 }
1158 
1159 #define mac_set_rx_thresh(regs, n) {\
1160 	BYTE_REG_BITS_SET((n),(MCFG_RFT0|MCFG_RFT1),&((regs)->MCFG));\
1161 }
1162 
1163 #define mac_rx_queue_run(regs) {\
1164 	writeb(TRDCSR_RUN, &((regs)->RDCSRSet));\
1165 }
1166 
1167 #define mac_rx_queue_wake(regs) {\
1168 	writeb(TRDCSR_WAK, &((regs)->RDCSRSet));\
1169 }
1170 
1171 #define mac_tx_queue_run(regs, n) {\
1172 	writew(TRDCSR_RUN<<((n)*4),&((regs)->TDCSRSet));\
1173 }
1174 
1175 #define mac_tx_queue_wake(regs, n) {\
1176 	writew(TRDCSR_WAK<<(n*4),&((regs)->TDCSRSet));\
1177 }
1178 
mac_eeprom_reload(struct mac_regs __iomem * regs)1179 static inline void mac_eeprom_reload(struct mac_regs __iomem * regs) {
1180 	int i=0;
1181 
1182 	BYTE_REG_BITS_ON(EECSR_RELOAD,&(regs->EECSR));
1183 	do {
1184 		udelay(10);
1185 		if (i++>0x1000)
1186 			break;
1187 	} while (BYTE_REG_BITS_IS_ON(EECSR_RELOAD,&(regs->EECSR)));
1188 }
1189 
1190 /*
1191  * Header for WOL definitions. Used to compute hashes
1192  */
1193 
1194 typedef u8 MCAM_ADDR[ETH_ALEN];
1195 
1196 struct arp_packet {
1197 	u8 dest_mac[ETH_ALEN];
1198 	u8 src_mac[ETH_ALEN];
1199 	__be16 type;
1200 	__be16 ar_hrd;
1201 	__be16 ar_pro;
1202 	u8 ar_hln;
1203 	u8 ar_pln;
1204 	__be16 ar_op;
1205 	u8 ar_sha[ETH_ALEN];
1206 	u8 ar_sip[4];
1207 	u8 ar_tha[ETH_ALEN];
1208 	u8 ar_tip[4];
1209 } __packed;
1210 
1211 struct _magic_packet {
1212 	u8 dest_mac[6];
1213 	u8 src_mac[6];
1214 	__be16 type;
1215 	u8 MAC[16][6];
1216 	u8 password[6];
1217 } __packed;
1218 
1219 /*
1220  *	Store for chip context when saving and restoring status. Not
1221  *	all fields are saved/restored currently.
1222  */
1223 
1224 struct velocity_context {
1225 	u8 mac_reg[256];
1226 	MCAM_ADDR cam_addr[MCAM_SIZE];
1227 	u16 vcam[VCAM_SIZE];
1228 	u32 cammask[2];
1229 	u32 patcrc[2];
1230 	u32 pattern[8];
1231 };
1232 
1233 /*
1234  *	Registers in the MII (offset unit is WORD)
1235  */
1236 
1237 // Marvell 88E1000/88E1000S
1238 #define MII_REG_PSCR        0x10	// PHY specific control register
1239 
1240 //
1241 // Bits in the Silicon revision register
1242 //
1243 
1244 #define TCSR_ECHODIS        0x2000	//
1245 #define AUXCR_MDPPS         0x0004	//
1246 
1247 // Bits in the PLED register
1248 #define PLED_LALBE			0x0004	//
1249 
1250 // Marvell 88E1000/88E1000S Bits in the PHY specific control register (10h)
1251 #define PSCR_ACRSTX         0x0800	// Assert CRS on Transmit
1252 
1253 #define PHYID_CICADA_CS8201 0x000FC410UL
1254 #define PHYID_VT3216_32BIT  0x000FC610UL
1255 #define PHYID_VT3216_64BIT  0x000FC600UL
1256 #define PHYID_MARVELL_1000  0x01410C50UL
1257 #define PHYID_MARVELL_1000S 0x01410C40UL
1258 #define PHYID_ICPLUS_IP101A 0x02430C54UL
1259 #define PHYID_REV_ID_MASK   0x0000000FUL
1260 
1261 #define PHYID_GET_PHY_ID(i)         ((i) & ~PHYID_REV_ID_MASK)
1262 
1263 #define MII_REG_BITS_ON(x,i,p) do {\
1264     u16 w;\
1265     velocity_mii_read((p),(i),&(w));\
1266     (w)|=(x);\
1267     velocity_mii_write((p),(i),(w));\
1268 } while (0)
1269 
1270 #define MII_REG_BITS_OFF(x,i,p) do {\
1271     u16 w;\
1272     velocity_mii_read((p),(i),&(w));\
1273     (w)&=(~(x));\
1274     velocity_mii_write((p),(i),(w));\
1275 } while (0)
1276 
1277 #define MII_REG_BITS_IS_ON(x,i,p) ({\
1278     u16 w;\
1279     velocity_mii_read((p),(i),&(w));\
1280     ((int) ((w) & (x)));})
1281 
1282 #define MII_GET_PHY_ID(p) ({\
1283     u32 id;\
1284     velocity_mii_read((p),MII_PHYSID2,(u16 *) &id);\
1285     velocity_mii_read((p),MII_PHYSID1,((u16 *) &id)+1);\
1286     (id);})
1287 
1288 #define     VELOCITY_WOL_MAGIC             0x00000000UL
1289 #define     VELOCITY_WOL_PHY               0x00000001UL
1290 #define     VELOCITY_WOL_ARP               0x00000002UL
1291 #define     VELOCITY_WOL_UCAST             0x00000004UL
1292 #define     VELOCITY_WOL_BCAST             0x00000010UL
1293 #define     VELOCITY_WOL_MCAST             0x00000020UL
1294 #define     VELOCITY_WOL_MAGIC_SEC         0x00000040UL
1295 
1296 /*
1297  *	Flags for options
1298  */
1299 
1300 #define     VELOCITY_FLAGS_TAGGING         0x00000001UL
1301 #define     VELOCITY_FLAGS_RX_CSUM         0x00000004UL
1302 #define     VELOCITY_FLAGS_IP_ALIGN        0x00000008UL
1303 #define     VELOCITY_FLAGS_VAL_PKT_LEN     0x00000010UL
1304 
1305 #define     VELOCITY_FLAGS_FLOW_CTRL       0x01000000UL
1306 
1307 /*
1308  *	Flags for driver status
1309  */
1310 
1311 #define     VELOCITY_FLAGS_OPENED          0x00010000UL
1312 #define     VELOCITY_FLAGS_VMNS_CONNECTED  0x00020000UL
1313 #define     VELOCITY_FLAGS_VMNS_COMMITTED  0x00040000UL
1314 #define     VELOCITY_FLAGS_WOL_ENABLED     0x00080000UL
1315 
1316 /*
1317  *	Flags for MII status
1318  */
1319 
1320 #define     VELOCITY_LINK_FAIL             0x00000001UL
1321 #define     VELOCITY_SPEED_10              0x00000002UL
1322 #define     VELOCITY_SPEED_100             0x00000004UL
1323 #define     VELOCITY_SPEED_1000            0x00000008UL
1324 #define     VELOCITY_DUPLEX_FULL           0x00000010UL
1325 #define     VELOCITY_AUTONEG_ENABLE        0x00000020UL
1326 #define     VELOCITY_FORCED_BY_EEPROM      0x00000040UL
1327 
1328 /*
1329  *	For velocity_set_media_duplex
1330  */
1331 
1332 #define     VELOCITY_LINK_CHANGE           0x00000001UL
1333 
1334 enum speed_opt {
1335 	SPD_DPX_AUTO = 0,
1336 	SPD_DPX_100_HALF = 1,
1337 	SPD_DPX_100_FULL = 2,
1338 	SPD_DPX_10_HALF = 3,
1339 	SPD_DPX_10_FULL = 4,
1340 	SPD_DPX_1000_FULL = 5
1341 };
1342 
1343 enum velocity_init_type {
1344 	VELOCITY_INIT_COLD = 0,
1345 	VELOCITY_INIT_RESET,
1346 	VELOCITY_INIT_WOL
1347 };
1348 
1349 enum velocity_flow_cntl_type {
1350 	FLOW_CNTL_DEFAULT = 1,
1351 	FLOW_CNTL_TX,
1352 	FLOW_CNTL_RX,
1353 	FLOW_CNTL_TX_RX,
1354 	FLOW_CNTL_DISABLE,
1355 };
1356 
1357 struct velocity_opt {
1358 	int numrx;			/* Number of RX descriptors */
1359 	int numtx;			/* Number of TX descriptors */
1360 	enum speed_opt spd_dpx;		/* Media link mode */
1361 
1362 	int DMA_length;			/* DMA length */
1363 	int rx_thresh;			/* RX_THRESH */
1364 	int flow_cntl;
1365 	int wol_opts;			/* Wake on lan options */
1366 	int td_int_count;
1367 	int int_works;
1368 	int rx_bandwidth_hi;
1369 	int rx_bandwidth_lo;
1370 	int rx_bandwidth_en;
1371 	int rxqueue_timer;
1372 	int txqueue_timer;
1373 	int tx_intsup;
1374 	int rx_intsup;
1375 	u32 flags;
1376 };
1377 
1378 #define AVAIL_TD(p,q)   ((p)->options.numtx-((p)->tx.used[(q)]))
1379 
1380 #define GET_RD_BY_IDX(vptr, idx)   (vptr->rd_ring[idx])
1381 
1382 struct velocity_info {
1383 	struct device *dev;
1384 	struct pci_dev *pdev;
1385 	struct net_device *netdev;
1386 	bool no_eeprom;
1387 
1388 	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
1389 	u8 ip_addr[4];
1390 	enum chip_type chip_id;
1391 
1392 	struct mac_regs __iomem * mac_regs;
1393 	unsigned long memaddr;
1394 	unsigned long ioaddr;
1395 
1396 	struct tx_info {
1397 		int numq;
1398 
1399 		/* FIXME: the locality of the data seems rather poor. */
1400 		int used[TX_QUEUE_NO];
1401 		int curr[TX_QUEUE_NO];
1402 		int tail[TX_QUEUE_NO];
1403 		struct tx_desc *rings[TX_QUEUE_NO];
1404 		struct velocity_td_info *infos[TX_QUEUE_NO];
1405 		dma_addr_t pool_dma[TX_QUEUE_NO];
1406 	} tx;
1407 
1408 	struct rx_info {
1409 		int buf_sz;
1410 
1411 		int dirty;
1412 		int curr;
1413 		u32 filled;
1414 		struct rx_desc *ring;
1415 		struct velocity_rd_info *info;	/* It's an array */
1416 		dma_addr_t pool_dma;
1417 	} rx;
1418 
1419 	u32 mib_counter[MAX_HW_MIB_COUNTER];
1420 	struct velocity_opt options;
1421 
1422 	u32 int_mask;
1423 
1424 	u32 flags;
1425 
1426 	u32 mii_status;
1427 	u32 phy_id;
1428 	int multicast_limit;
1429 
1430 	u8 vCAMmask[(VCAM_SIZE / 8)];
1431 	u8 mCAMmask[(MCAM_SIZE / 8)];
1432 
1433 	spinlock_t lock;
1434 
1435 	int wol_opts;
1436 	u8 wol_passwd[6];
1437 
1438 	struct velocity_context context;
1439 
1440 	u32 ticks;
1441 	u32 ethtool_ops_nesting;
1442 
1443 	u8 rev_id;
1444 
1445 	struct napi_struct napi;
1446 };
1447 
1448 /**
1449  *	velocity_get_ip		-	find an IP address for the device
1450  *	@vptr: Velocity to query
1451  *
1452  *	Dig out an IP address for this interface so that we can
1453  *	configure wakeup with WOL for ARP. If there are multiple IP
1454  *	addresses on this chain then we use the first - multi-IP WOL is not
1455  *	supported.
1456  *
1457  */
1458 
velocity_get_ip(struct velocity_info * vptr)1459 static inline int velocity_get_ip(struct velocity_info *vptr)
1460 {
1461 	struct in_device *in_dev;
1462 	struct in_ifaddr *ifa;
1463 	int res = -ENOENT;
1464 
1465 	rcu_read_lock();
1466 	in_dev = __in_dev_get_rcu(vptr->netdev);
1467 	if (in_dev != NULL) {
1468 		ifa = rcu_dereference(in_dev->ifa_list);
1469 		if (ifa != NULL) {
1470 			memcpy(vptr->ip_addr, &ifa->ifa_address, 4);
1471 			res = 0;
1472 		}
1473 	}
1474 	rcu_read_unlock();
1475 	return res;
1476 }
1477 
1478 /**
1479  *	velocity_update_hw_mibs	-	fetch MIB counters from chip
1480  *	@vptr: velocity to update
1481  *
1482  *	The velocity hardware keeps certain counters in the hardware
1483  * 	side. We need to read these when the user asks for statistics
1484  *	or when they overflow (causing an interrupt). The read of the
1485  *	statistic clears it, so we keep running master counters in user
1486  *	space.
1487  */
1488 
velocity_update_hw_mibs(struct velocity_info * vptr)1489 static inline void velocity_update_hw_mibs(struct velocity_info *vptr)
1490 {
1491 	u32 tmp;
1492 	int i;
1493 	BYTE_REG_BITS_ON(MIBCR_MIBFLSH, &(vptr->mac_regs->MIBCR));
1494 
1495 	while (BYTE_REG_BITS_IS_ON(MIBCR_MIBFLSH, &(vptr->mac_regs->MIBCR)));
1496 
1497 	BYTE_REG_BITS_ON(MIBCR_MPTRINI, &(vptr->mac_regs->MIBCR));
1498 	for (i = 0; i < HW_MIB_SIZE; i++) {
1499 		tmp = readl(&(vptr->mac_regs->MIBData)) & 0x00FFFFFFUL;
1500 		vptr->mib_counter[i] += tmp;
1501 	}
1502 }
1503 
1504 /**
1505  *	init_flow_control_register 	-	set up flow control
1506  *	@vptr: velocity to configure
1507  *
1508  *	Configure the flow control registers for this velocity device.
1509  */
1510 
init_flow_control_register(struct velocity_info * vptr)1511 static inline void init_flow_control_register(struct velocity_info *vptr)
1512 {
1513 	struct mac_regs __iomem * regs = vptr->mac_regs;
1514 
1515 	/* Set {XHITH1, XHITH0, XLTH1, XLTH0} in FlowCR1 to {1, 0, 1, 1}
1516 	   depend on RD=64, and Turn on XNOEN in FlowCR1 */
1517 	writel((CR0_XONEN | CR0_XHITH1 | CR0_XLTH1 | CR0_XLTH0), &regs->CR0Set);
1518 	writel((CR0_FDXTFCEN | CR0_FDXRFCEN | CR0_HDXFCEN | CR0_XHITH0), &regs->CR0Clr);
1519 
1520 	/* Set TxPauseTimer to 0xFFFF */
1521 	writew(0xFFFF, &regs->tx_pause_timer);
1522 
1523 	/* Initialize RBRDU to Rx buffer count. */
1524 	writew(vptr->options.numrx, &regs->RBRDU);
1525 }
1526 
1527 
1528 #endif
1529