Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * File: via-velocity.h
 *
 * Purpose: Header file to define driver's private structures.
 *
 * Author: Chuang Liang-Shing, AJ Jiang
 *
 * Date: Jan 24, 2003
 */


#ifndef VELOCITY_H
#define VELOCITY_H

#define VELOCITY_TX_CSUM_SUPPORT

#define VELOCITY_NAME          "via-velocity"
#define VELOCITY_FULL_DRV_NAM  "VIA Networking Velocity Family Gigabit Ethernet Adapter Driver"
#define VELOCITY_VERSION       "1.15"

#define VELOCITY_IO_SIZE	256
#define VELOCITY_NAPI_WEIGHT	64

#define PKT_BUF_SZ          1540

#define MAX_UNITS           8
#define OPTION_DEFAULT      { [0 ... MAX_UNITS-1] = -1}

#define REV_ID_VT6110       (0)

#define BYTE_REG_BITS_ON(x,p)       do { writeb(readb((p))|(x),(p));} while (0)
#define WORD_REG_BITS_ON(x,p)       do { writew(readw((p))|(x),(p));} while (0)
#define DWORD_REG_BITS_ON(x,p)      do { writel(readl((p))|(x),(p));} while (0)

#define BYTE_REG_BITS_IS_ON(x,p)    (readb((p)) & (x))
#define WORD_REG_BITS_IS_ON(x,p)    (readw((p)) & (x))
#define DWORD_REG_BITS_IS_ON(x,p)   (readl((p)) & (x))

#define BYTE_REG_BITS_OFF(x,p)      do { writeb(readb((p)) & (~(x)),(p));} while (0)
#define WORD_REG_BITS_OFF(x,p)      do { writew(readw((p)) & (~(x)),(p));} while (0)
#define DWORD_REG_BITS_OFF(x,p)     do { writel(readl((p)) & (~(x)),(p));} while (0)

#define BYTE_REG_BITS_SET(x,m,p)    do { writeb( (readb((p)) & (~(m))) |(x),(p));} while (0)
#define WORD_REG_BITS_SET(x,m,p)    do { writew( (readw((p)) & (~(m))) |(x),(p));} while (0)
#define DWORD_REG_BITS_SET(x,m,p)   do { writel( (readl((p)) & (~(m)))|(x),(p));}  while (0)

#define VAR_USED(p)     do {(p)=(p);} while (0)

/*
 * Purpose: Structures for MAX RX/TX descriptors.
 */


#define B_OWNED_BY_CHIP     1
#define B_OWNED_BY_HOST     0

/*
 * Bits in the RSR0 register
 */

#define RSR_DETAG	cpu_to_le16(0x0080)
#define RSR_SNTAG	cpu_to_le16(0x0040)
#define RSR_RXER	cpu_to_le16(0x0020)
#define RSR_RL		cpu_to_le16(0x0010)
#define RSR_CE		cpu_to_le16(0x0008)
#define RSR_FAE		cpu_to_le16(0x0004)
#define RSR_CRC		cpu_to_le16(0x0002)
#define RSR_VIDM	cpu_to_le16(0x0001)

/*
 * Bits in the RSR1 register
 */

#define RSR_RXOK	cpu_to_le16(0x8000) // rx OK
#define RSR_PFT		cpu_to_le16(0x4000) // Perfect filtering address match
#define RSR_MAR		cpu_to_le16(0x2000) // MAC accept multicast address packet
#define RSR_BAR		cpu_to_le16(0x1000) // MAC accept broadcast address packet
#define RSR_PHY		cpu_to_le16(0x0800) // MAC accept physical address packet
#define RSR_VTAG	cpu_to_le16(0x0400) // 802.1p/1q tagging packet indicator
#define RSR_STP		cpu_to_le16(0x0200) // start of packet
#define RSR_EDP		cpu_to_le16(0x0100) // end of packet

/*
 * Bits in the CSM register
 */

#define CSM_IPOK            0x40	//IP Checksum validation ok
#define CSM_TUPOK           0x20	//TCP/UDP Checksum validation ok
#define CSM_FRAG            0x10	//Fragment IP datagram
#define CSM_IPKT            0x04	//Received an IP packet
#define CSM_TCPKT           0x02	//Received a TCP packet
#define CSM_UDPKT           0x01	//Received a UDP packet

/*
 * Bits in the TSR0 register
 */

#define TSR0_ABT	cpu_to_le16(0x0080) // Tx abort because of excessive collision
#define TSR0_OWT	cpu_to_le16(0x0040) // Jumbo frame Tx abort
#define TSR0_OWC	cpu_to_le16(0x0020) // Out of window collision
#define TSR0_COLS	cpu_to_le16(0x0010) // experience collision in this transmit event
#define TSR0_NCR3	cpu_to_le16(0x0008) // collision retry counter[3]
#define TSR0_NCR2	cpu_to_le16(0x0004) // collision retry counter[2]
#define TSR0_NCR1	cpu_to_le16(0x0002) // collision retry counter[1]
#define TSR0_NCR0	cpu_to_le16(0x0001) // collision retry counter[0]
#define TSR0_TERR	cpu_to_le16(0x8000) //
#define TSR0_FDX	cpu_to_le16(0x4000) // current transaction is serviced by full duplex mode
#define TSR0_GMII	cpu_to_le16(0x2000) // current transaction is serviced by GMII mode
#define TSR0_LNKFL	cpu_to_le16(0x1000) // packet serviced during link down
#define TSR0_SHDN	cpu_to_le16(0x0400) // shutdown case
#define TSR0_CRS	cpu_to_le16(0x0200) // carrier sense lost
#define TSR0_CDH	cpu_to_le16(0x0100) // AQE test fail (CD heartbeat)

//
// Bits in the TCR0 register
//
#define TCR0_TIC            0x80	// assert interrupt immediately while descriptor has been send complete
#define TCR0_PIC            0x40	// priority interrupt request, INA# is issued over adaptive interrupt scheme
#define TCR0_VETAG          0x20	// enable VLAN tag
#define TCR0_IPCK           0x10	// request IP  checksum calculation.
#define TCR0_UDPCK          0x08	// request UDP checksum calculation.
#define TCR0_TCPCK          0x04	// request TCP checksum calculation.
#define TCR0_JMBO           0x02	// indicate a jumbo packet in GMAC side
#define TCR0_CRC            0x01	// disable CRC generation

#define TCPLS_NORMAL        3
#define TCPLS_START         2
#define TCPLS_END           1
#define TCPLS_MED           0


// max transmit or receive buffer size
#define CB_RX_BUF_SIZE     2048UL	// max buffer size
					// NOTE: must be multiple of 4

#define CB_MAX_RD_NUM       512	// MAX # of RD
#define CB_MAX_TD_NUM       256	// MAX # of TD

#define CB_INIT_RD_NUM_3119 128	// init # of RD, for setup VT3119
#define CB_INIT_TD_NUM_3119 64	// init # of TD, for setup VT3119

#define CB_INIT_RD_NUM      128	// init # of RD, for setup default
#define CB_INIT_TD_NUM      64	// init # of TD, for setup default

// for 3119
#define CB_TD_RING_NUM      4	// # of TD rings.
#define CB_MAX_SEG_PER_PKT  7	// max data seg per packet (Tx)


/*
 *	If collisions excess 15 times , tx will abort, and
 *	if tx fifo underflow, tx will fail
 *	we should try to resend it
 */

#define CB_MAX_TX_ABORT_RETRY   3

/*
 *	Receive descriptor
 */

struct rdesc0 {
	__le16 RSR;		/* Receive status */
	__le16 len;		/* bits 0--13; bit 15 - owner */
};

struct rdesc1 {
	__le16 PQTAG;
	u8 CSM;
	u8 IPKT;
};

enum {
	RX_INTEN = cpu_to_le16(0x8000)
};

struct rx_desc {
	struct rdesc0 rdesc0;
	struct rdesc1 rdesc1;
	__le32 pa_low;		/* Low 32 bit PCI address */
	__le16 pa_high;		/* Next 16 bit PCI address (48 total) */
	__le16 size;		/* bits 0--14 - frame size, bit 15 - enable int. */
} __packed;

/*
 *	Transmit descriptor
 */

struct tdesc0 {
	__le16 TSR;		/* Transmit status register */
	__le16 len;		/* bits 0--13 - size of frame, bit 15 - owner */
};

struct tdesc1 {
	__le16 vlan;
	u8 TCR;
	u8 cmd;			/* bits 0--1 - TCPLS, bits 4--7 - CMDZ */
} __packed;

enum {
	TD_QUEUE = cpu_to_le16(0x8000)
};

struct td_buf {
	__le32 pa_low;
	__le16 pa_high;
	__le16 size;		/* bits 0--13 - size, bit 15 - queue */
} __packed;

struct tx_desc {
	struct tdesc0 tdesc0;
	struct tdesc1 tdesc1;
	struct td_buf td_buf[7];
};

struct velocity_rd_info {
	struct sk_buff *skb;
	dma_addr_t skb_dma;
};

/*
 *	Used to track transmit side buffers.
 */

struct velocity_td_info {
	struct sk_buff *skb;
	int nskb_dma;
	dma_addr_t skb_dma[7];
};

enum  velocity_owner {
	OWNED_BY_HOST = 0,
	OWNED_BY_NIC = cpu_to_le16(0x8000)
};


/*
 *	MAC registers and macros.
 */


#define MCAM_SIZE           64
#define VCAM_SIZE           64
#define TX_QUEUE_NO         4

#define MAX_HW_MIB_COUNTER  32
#define VELOCITY_MIN_MTU    (64)
#define VELOCITY_MAX_MTU    (9000)

/*
 *	Registers in the MAC
 */

#define MAC_REG_PAR         0x00	// physical address
#define MAC_REG_RCR         0x06
#define MAC_REG_TCR         0x07
#define MAC_REG_CR0_SET     0x08
#define MAC_REG_CR1_SET     0x09
#define MAC_REG_CR2_SET     0x0A
#define MAC_REG_CR3_SET     0x0B
#define MAC_REG_CR0_CLR     0x0C
#define MAC_REG_CR1_CLR     0x0D
#define MAC_REG_CR2_CLR     0x0E
#define MAC_REG_CR3_CLR     0x0F
#define MAC_REG_MAR         0x10
#define MAC_REG_CAM         0x10
#define MAC_REG_DEC_BASE_HI 0x18
#define MAC_REG_DBF_BASE_HI 0x1C
#define MAC_REG_ISR_CTL     0x20
#define MAC_REG_ISR_HOTMR   0x20
#define MAC_REG_ISR_TSUPTHR 0x20
#define MAC_REG_ISR_RSUPTHR 0x20
#define MAC_REG_ISR_CTL1    0x21
#define MAC_REG_TXE_SR      0x22
#define MAC_REG_RXE_SR      0x23
#define MAC_REG_ISR         0x24
#define MAC_REG_ISR0        0x24
#define MAC_REG_ISR1        0x25
#define MAC_REG_ISR2        0x26
#define MAC_REG_ISR3        0x27
#define MAC_REG_IMR         0x28
#define MAC_REG_IMR0        0x28
#define MAC_REG_IMR1        0x29
#define MAC_REG_IMR2        0x2A
#define MAC_REG_IMR3        0x2B
#define MAC_REG_TDCSR_SET   0x30
#define MAC_REG_RDCSR_SET   0x32
#define MAC_REG_TDCSR_CLR   0x34
#define MAC_REG_RDCSR_CLR   0x36
#define MAC_REG_RDBASE_LO   0x38
#define MAC_REG_RDINDX      0x3C
#define MAC_REG_TDBASE_LO   0x40
#define MAC_REG_RDCSIZE     0x50
#define MAC_REG_TDCSIZE     0x52
#define MAC_REG_TDINDX      0x54
#define MAC_REG_TDIDX0      0x54
#define MAC_REG_TDIDX1      0x56
#define MAC_REG_TDIDX2      0x58
#define MAC_REG_TDIDX3      0x5A
#define MAC_REG_PAUSE_TIMER 0x5C
#define MAC_REG_RBRDU       0x5E
#define MAC_REG_FIFO_TEST0  0x60
#define MAC_REG_FIFO_TEST1  0x64
#define MAC_REG_CAMADDR     0x68
#define MAC_REG_CAMCR       0x69
#define MAC_REG_GFTEST      0x6A
#define MAC_REG_FTSTCMD     0x6B
#define MAC_REG_MIICFG      0x6C
#define MAC_REG_MIISR       0x6D
#define MAC_REG_PHYSR0      0x6E
#define MAC_REG_PHYSR1      0x6F
#define MAC_REG_MIICR       0x70
#define MAC_REG_MIIADR      0x71
#define MAC_REG_MIIDATA     0x72
#define MAC_REG_SOFT_TIMER0 0x74
#define MAC_REG_SOFT_TIMER1 0x76
#define MAC_REG_CFGA        0x78
#define MAC_REG_CFGB        0x79
#define MAC_REG_CFGC        0x7A
#define MAC_REG_CFGD        0x7B
#define MAC_REG_DCFG0       0x7C
#define MAC_REG_DCFG1       0x7D
#define MAC_REG_MCFG0       0x7E
#define MAC_REG_MCFG1       0x7F

#define MAC_REG_TBIST       0x80
#define MAC_REG_RBIST       0x81
#define MAC_REG_PMCC        0x82
#define MAC_REG_STICKHW     0x83
#define MAC_REG_MIBCR       0x84
#define MAC_REG_EERSV       0x85
#define MAC_REG_REVID       0x86
#define MAC_REG_MIBREAD     0x88
#define MAC_REG_BPMA        0x8C
#define MAC_REG_EEWR_DATA   0x8C
#define MAC_REG_BPMD_WR     0x8F
#define MAC_REG_BPCMD       0x90
#define MAC_REG_BPMD_RD     0x91
#define MAC_REG_EECHKSUM    0x92
#define MAC_REG_EECSR       0x93
#define MAC_REG_EERD_DATA   0x94
#define MAC_REG_EADDR       0x96
#define MAC_REG_EMBCMD      0x97
#define MAC_REG_JMPSR0      0x98
#define MAC_REG_JMPSR1      0x99
#define MAC_REG_JMPSR2      0x9A
#define MAC_REG_JMPSR3      0x9B
#define MAC_REG_CHIPGSR     0x9C
#define MAC_REG_TESTCFG     0x9D
#define MAC_REG_DEBUG       0x9E
#define MAC_REG_CHIPGCR     0x9F	/* Chip Operation and Diagnostic Control */
#define MAC_REG_WOLCR0_SET  0xA0
#define MAC_REG_WOLCR1_SET  0xA1
#define MAC_REG_PWCFG_SET   0xA2
#define MAC_REG_WOLCFG_SET  0xA3
#define MAC_REG_WOLCR0_CLR  0xA4
#define MAC_REG_WOLCR1_CLR  0xA5
#define MAC_REG_PWCFG_CLR   0xA6
#define MAC_REG_WOLCFG_CLR  0xA7
#define MAC_REG_WOLSR0_SET  0xA8
#define MAC_REG_WOLSR1_SET  0xA9
#define MAC_REG_WOLSR0_CLR  0xAC
#define MAC_REG_WOLSR1_CLR  0xAD
#define MAC_REG_PATRN_CRC0  0xB0
#define MAC_REG_PATRN_CRC1  0xB2
#define MAC_REG_PATRN_CRC2  0xB4
#define MAC_REG_PATRN_CRC3  0xB6
#define MAC_REG_PATRN_CRC4  0xB8
#define MAC_REG_PATRN_CRC5  0xBA
#define MAC_REG_PATRN_CRC6  0xBC
#define MAC_REG_PATRN_CRC7  0xBE
#define MAC_REG_BYTEMSK0_0  0xC0
#define MAC_REG_BYTEMSK0_1  0xC4
#define MAC_REG_BYTEMSK0_2  0xC8
#define MAC_REG_BYTEMSK0_3  0xCC
#define MAC_REG_BYTEMSK1_0  0xD0
#define MAC_REG_BYTEMSK1_1  0xD4
#define MAC_REG_BYTEMSK1_2  0xD8
#define MAC_REG_BYTEMSK1_3  0xDC
#define MAC_REG_BYTEMSK2_0  0xE0
#define MAC_REG_BYTEMSK2_1  0xE4
#define MAC_REG_BYTEMSK2_2  0xE8
#define MAC_REG_BYTEMSK2_3  0xEC
#define MAC_REG_BYTEMSK3_0  0xF0
#define MAC_REG_BYTEMSK3_1  0xF4
#define MAC_REG_BYTEMSK3_2  0xF8
#define MAC_REG_BYTEMSK3_3  0xFC

/*
 *	Bits in the RCR register
 */

#define RCR_AS              0x80
#define RCR_AP              0x40
#define RCR_AL              0x20
#define RCR_PROM            0x10
#define RCR_AB              0x08
#define RCR_AM              0x04
#define RCR_AR              0x02
#define RCR_SEP             0x01

/*
 *	Bits in the TCR register
 */

#define TCR_TB2BDIS         0x80
#define TCR_COLTMC1         0x08
#define TCR_COLTMC0         0x04
#define TCR_LB1             0x02	/* loopback[1] */
#define TCR_LB0             0x01	/* loopback[0] */

/*
 *	Bits in the CR0 register
 */

#define CR0_TXON            0x00000008UL
#define CR0_RXON            0x00000004UL
#define CR0_STOP            0x00000002UL	/* stop MAC, default = 1 */
#define CR0_STRT            0x00000001UL	/* start MAC */
#define CR0_SFRST           0x00008000UL	/* software reset */
#define CR0_TM1EN           0x00004000UL
#define CR0_TM0EN           0x00002000UL
#define CR0_DPOLL           0x00000800UL	/* disable rx/tx auto polling */
#define CR0_DISAU           0x00000100UL
#define CR0_XONEN           0x00800000UL
#define CR0_FDXTFCEN        0x00400000UL	/* full-duplex TX flow control enable */
#define CR0_FDXRFCEN        0x00200000UL	/* full-duplex RX flow control enable */
#define CR0_HDXFCEN         0x00100000UL	/* half-duplex flow control enable */
#define CR0_XHITH1          0x00080000UL	/* TX XON high threshold 1 */
#define CR0_XHITH0          0x00040000UL	/* TX XON high threshold 0 */
#define CR0_XLTH1           0x00020000UL	/* TX pause frame low threshold 1 */
#define CR0_XLTH0           0x00010000UL	/* TX pause frame low threshold 0 */
#define CR0_GSPRST          0x80000000UL
#define CR0_FORSRST         0x40000000UL
#define CR0_FPHYRST         0x20000000UL
#define CR0_DIAG            0x10000000UL
#define CR0_INTPCTL         0x04000000UL
#define CR0_GINTMSK1        0x02000000UL
#define CR0_GINTMSK0        0x01000000UL

/*
 *	Bits in the CR1 register
 */

#define CR1_SFRST           0x80	/* software reset */
#define CR1_TM1EN           0x40
#define CR1_TM0EN           0x20
#define CR1_DPOLL           0x08	/* disable rx/tx auto polling */
#define CR1_DISAU           0x01

/*
 *	Bits in the CR2 register
 */

#define CR2_XONEN           0x80
#define CR2_FDXTFCEN        0x40	/* full-duplex TX flow control enable */
#define CR2_FDXRFCEN        0x20	/* full-duplex RX flow control enable */
#define CR2_HDXFCEN         0x10	/* half-duplex flow control enable */
#define CR2_XHITH1          0x08	/* TX XON high threshold 1 */
#define CR2_XHITH0          0x04	/* TX XON high threshold 0 */
#define CR2_XLTH1           0x02	/* TX pause frame low threshold 1 */
#define CR2_XLTH0           0x01	/* TX pause frame low threshold 0 */

/*
 *	Bits in the CR3 register
 */

#define CR3_GSPRST          0x80
#define CR3_FORSRST         0x40
#define CR3_FPHYRST         0x20
#define CR3_DIAG            0x10
#define CR3_INTPCTL         0x04
#define CR3_GINTMSK1        0x02
#define CR3_GINTMSK0        0x01

#define ISRCTL_UDPINT       0x8000
#define ISRCTL_TSUPDIS      0x4000
#define ISRCTL_RSUPDIS      0x2000
#define ISRCTL_PMSK1        0x1000
#define ISRCTL_PMSK0        0x0800
#define ISRCTL_INTPD        0x0400
#define ISRCTL_HCRLD        0x0200
#define ISRCTL_SCRLD        0x0100

/*
 *	Bits in the ISR_CTL1 register
 */

#define ISRCTL1_UDPINT      0x80
#define ISRCTL1_TSUPDIS     0x40
#define ISRCTL1_RSUPDIS     0x20
#define ISRCTL1_PMSK1       0x10
#define ISRCTL1_PMSK0       0x08
#define ISRCTL1_INTPD       0x04
#define ISRCTL1_HCRLD       0x02
#define ISRCTL1_SCRLD       0x01

/*
 *	Bits in the TXE_SR register
 */

#define TXESR_TFDBS         0x08
#define TXESR_TDWBS         0x04
#define TXESR_TDRBS         0x02
#define TXESR_TDSTR         0x01

/*
 *	Bits in the RXE_SR register
 */

#define RXESR_RFDBS         0x08
#define RXESR_RDWBS         0x04
#define RXESR_RDRBS         0x02
#define RXESR_RDSTR         0x01

/*
 *	Bits in the ISR register
 */

#define ISR_ISR3            0x80000000UL
#define ISR_ISR2            0x40000000UL
#define ISR_ISR1            0x20000000UL
#define ISR_ISR0            0x10000000UL
#define ISR_TXSTLI          0x02000000UL
#define ISR_RXSTLI          0x01000000UL
#define ISR_HFLD            0x00800000UL
#define ISR_UDPI            0x00400000UL
#define ISR_MIBFI           0x00200000UL
#define ISR_SHDNI           0x00100000UL
#define ISR_PHYI            0x00080000UL
#define ISR_PWEI            0x00040000UL
#define ISR_TMR1I           0x00020000UL
#define ISR_TMR0I           0x00010000UL
#define ISR_SRCI            0x00008000UL
#define ISR_LSTPEI          0x00004000UL
#define ISR_LSTEI           0x00002000UL
#define ISR_OVFI            0x00001000UL
#define ISR_FLONI           0x00000800UL
#define ISR_RACEI           0x00000400UL
#define ISR_TXWB1I          0x00000200UL
#define ISR_TXWB0I          0x00000100UL
#define ISR_PTX3I           0x00000080UL
#define ISR_PTX2I           0x00000040UL
#define ISR_PTX1I           0x00000020UL
#define ISR_PTX0I           0x00000010UL
#define ISR_PTXI            0x00000008UL
#define ISR_PRXI            0x00000004UL
#define ISR_PPTXI           0x00000002UL
#define ISR_PPRXI           0x00000001UL

/*
 *	Bits in the IMR register
 */

#define IMR_TXSTLM          0x02000000UL
#define IMR_UDPIM           0x00400000UL
#define IMR_MIBFIM          0x00200000UL
#define IMR_SHDNIM          0x00100000UL
#define IMR_PHYIM           0x00080000UL
#define IMR_PWEIM           0x00040000UL
#define IMR_TMR1IM          0x00020000UL
#define IMR_TMR0IM          0x00010000UL

#define IMR_SRCIM           0x00008000UL
#define IMR_LSTPEIM         0x00004000UL
#define IMR_LSTEIM          0x00002000UL
#define IMR_OVFIM           0x00001000UL
#define IMR_FLONIM          0x00000800UL
#define IMR_RACEIM          0x00000400UL
#define IMR_TXWB1IM         0x00000200UL
#define IMR_TXWB0IM         0x00000100UL

#define IMR_PTX3IM          0x00000080UL
#define IMR_PTX2IM          0x00000040UL
#define IMR_PTX1IM          0x00000020UL
#define IMR_PTX0IM          0x00000010UL
#define IMR_PTXIM           0x00000008UL
#define IMR_PRXIM           0x00000004UL
#define IMR_PPTXIM          0x00000002UL
#define IMR_PPRXIM          0x00000001UL

/* 0x0013FB0FUL  =  initial value of IMR */

#define INT_MASK_DEF        (IMR_PPTXIM|IMR_PPRXIM|IMR_PTXIM|IMR_PRXIM|\
                            IMR_PWEIM|IMR_TXWB0IM|IMR_TXWB1IM|IMR_FLONIM|\
                            IMR_OVFIM|IMR_LSTEIM|IMR_LSTPEIM|IMR_SRCIM|IMR_MIBFIM|\
                            IMR_SHDNIM|IMR_TMR1IM|IMR_TMR0IM|IMR_TXSTLM)

/*
 *	Bits in the TDCSR0/1, RDCSR0 register
 */

#define TRDCSR_DEAD         0x0008
#define TRDCSR_WAK          0x0004
#define TRDCSR_ACT          0x0002
#define TRDCSR_RUN	    0x0001

/*
 *	Bits in the CAMADDR register
 */

#define CAMADDR_CAMEN       0x80
#define CAMADDR_VCAMSL      0x40

/*
 *	Bits in the CAMCR register
 */

#define CAMCR_PS1           0x80
#define CAMCR_PS0           0x40
#define CAMCR_AITRPKT       0x20
#define CAMCR_AITR16        0x10
#define CAMCR_CAMRD         0x08
#define CAMCR_CAMWR         0x04
#define CAMCR_PS_CAM_MASK   0x40
#define CAMCR_PS_CAM_DATA   0x80
#define CAMCR_PS_MAR        0x00

/*
 *	Bits in the MIICFG register
 */

#define MIICFG_MPO1         0x80
#define MIICFG_MPO0         0x40
#define MIICFG_MFDC         0x20

/*
 *	Bits in the MIISR register
 */

#define MIISR_MIDLE         0x80

/*
 *	 Bits in the PHYSR0 register
 */

#define PHYSR0_PHYRST       0x80
#define PHYSR0_LINKGD       0x40
#define PHYSR0_FDPX         0x10
#define PHYSR0_SPDG         0x08
#define PHYSR0_SPD10        0x04
#define PHYSR0_RXFLC        0x02
#define PHYSR0_TXFLC        0x01

/*
 *	Bits in the PHYSR1 register
 */

#define PHYSR1_PHYTBI       0x01

/*
 *	Bits in the MIICR register
 */

#define MIICR_MAUTO         0x80
#define MIICR_RCMD          0x40
#define MIICR_WCMD          0x20
#define MIICR_MDPM          0x10
#define MIICR_MOUT          0x08
#define MIICR_MDO           0x04
#define MIICR_MDI           0x02
#define MIICR_MDC           0x01

/*
 *	Bits in the MIIADR register
 */

#define MIIADR_SWMPL        0x80

/*
 *	Bits in the CFGA register
 */

#define CFGA_PMHCTG         0x08
#define CFGA_GPIO1PD        0x04
#define CFGA_ABSHDN         0x02
#define CFGA_PACPI          0x01

/*
 *	Bits in the CFGB register
 */

#define CFGB_GTCKOPT        0x80
#define CFGB_MIIOPT         0x40
#define CFGB_CRSEOPT        0x20
#define CFGB_OFSET          0x10
#define CFGB_CRANDOM        0x08
#define CFGB_CAP            0x04
#define CFGB_MBA            0x02
#define CFGB_BAKOPT         0x01

/*
 *	Bits in the CFGC register
 */

#define CFGC_EELOAD         0x80
#define CFGC_BROPT          0x40
#define CFGC_DLYEN          0x20
#define CFGC_DTSEL          0x10
#define CFGC_BTSEL          0x08
#define CFGC_BPS2           0x04	/* bootrom select[2] */
#define CFGC_BPS1           0x02	/* bootrom select[1] */
#define CFGC_BPS0           0x01	/* bootrom select[0] */

/*
 * Bits in the CFGD register
 */

#define CFGD_IODIS          0x80
#define CFGD_MSLVDACEN      0x40
#define CFGD_CFGDACEN       0x20
#define CFGD_PCI64EN        0x10
#define CFGD_HTMRL4         0x08

/*
 *	Bits in the DCFG1 register
 */

#define DCFG_XMWI           0x8000
#define DCFG_XMRM           0x4000
#define DCFG_XMRL           0x2000
#define DCFG_PERDIS         0x1000
#define DCFG_MRWAIT         0x0400
#define DCFG_MWWAIT         0x0200
#define DCFG_LATMEN         0x0100

/*
 *	Bits in the MCFG0 register
 */

#define MCFG_RXARB          0x0080
#define MCFG_RFT1           0x0020
#define MCFG_RFT0           0x0010
#define MCFG_LOWTHOPT       0x0008
#define MCFG_PQEN           0x0004
#define MCFG_RTGOPT         0x0002
#define MCFG_VIDFR          0x0001

/*
 *	Bits in the MCFG1 register
 */

#define MCFG_TXARB          0x8000
#define MCFG_TXQBK1         0x0800
#define MCFG_TXQBK0         0x0400
#define MCFG_TXQNOBK        0x0200
#define MCFG_SNAPOPT        0x0100

/*
 *	Bits in the PMCC  register
 */

#define PMCC_DSI            0x80
#define PMCC_D2_DIS         0x40
#define PMCC_D1_DIS         0x20
#define PMCC_D3C_EN         0x10
#define PMCC_D3H_EN         0x08
#define PMCC_D2_EN          0x04
#define PMCC_D1_EN          0x02
#define PMCC_D0_EN          0x01

/*
 *	Bits in STICKHW
 */

#define STICKHW_SWPTAG      0x10
#define STICKHW_WOLSR       0x08
#define STICKHW_WOLEN       0x04
#define STICKHW_DS1         0x02	/* R/W by software/cfg cycle */
#define STICKHW_DS0         0x01	/* suspend well DS write port */

/*
 *	Bits in the MIBCR register
 */

#define MIBCR_MIBISTOK      0x80
#define MIBCR_MIBISTGO      0x40
#define MIBCR_MIBINC        0x20
#define MIBCR_MIBHI         0x10
#define MIBCR_MIBFRZ        0x08
#define MIBCR_MIBFLSH       0x04
#define MIBCR_MPTRINI       0x02
#define MIBCR_MIBCLR        0x01

/*
 *	Bits in the EERSV register
 */

#define EERSV_BOOT_RPL      ((u8) 0x01)	 /* Boot method selection for VT6110 */

#define EERSV_BOOT_MASK     ((u8) 0x06)
#define EERSV_BOOT_INT19    ((u8) 0x00)
#define EERSV_BOOT_INT18    ((u8) 0x02)
#define EERSV_BOOT_LOCAL    ((u8) 0x04)
#define EERSV_BOOT_BEV      ((u8) 0x06)


/*
 *	Bits in BPCMD
 */

#define BPCMD_BPDNE         0x80
#define BPCMD_EBPWR         0x02
#define BPCMD_EBPRD         0x01

/*
 *	Bits in the EECSR register
 */

#define EECSR_EMBP          0x40	/* eeprom embedded programming */
#define EECSR_RELOAD        0x20	/* eeprom content reload */
#define EECSR_DPM           0x10	/* eeprom direct programming */
#define EECSR_ECS           0x08	/* eeprom CS pin */
#define EECSR_ECK           0x04	/* eeprom CK pin */
#define EECSR_EDI           0x02	/* eeprom DI pin */
#define EECSR_EDO           0x01	/* eeprom DO pin */

/*
 *	Bits in the EMBCMD register
 */

#define EMBCMD_EDONE        0x80
#define EMBCMD_EWDIS        0x08
#define EMBCMD_EWEN         0x04
#define EMBCMD_EWR          0x02
#define EMBCMD_ERD          0x01

/*
 *	Bits in TESTCFG register
 */

#define TESTCFG_HBDIS       0x80

/*
 *	Bits in CHIPGCR register
 */

#define CHIPGCR_FCGMII      0x80	/* force GMII (else MII only) */
#define CHIPGCR_FCFDX       0x40	/* force full duplex */
#define CHIPGCR_FCRESV      0x20
#define CHIPGCR_FCMODE      0x10	/* enable MAC forced mode */
#define CHIPGCR_LPSOPT      0x08
#define CHIPGCR_TM1US       0x04
#define CHIPGCR_TM0US       0x02
#define CHIPGCR_PHYINTEN    0x01

/*
 *	Bits in WOLCR0
 */

#define WOLCR_MSWOLEN7      0x0080	/* enable pattern match filtering */
#define WOLCR_MSWOLEN6      0x0040
#define WOLCR_MSWOLEN5      0x0020
#define WOLCR_MSWOLEN4      0x0010
#define WOLCR_MSWOLEN3      0x0008
#define WOLCR_MSWOLEN2      0x0004
#define WOLCR_MSWOLEN1      0x0002
#define WOLCR_MSWOLEN0      0x0001
#define WOLCR_ARP_EN        0x0001

/*
 *	Bits in WOLCR1
 */

#define WOLCR_LINKOFF_EN      0x0800	/* link off detected enable */
#define WOLCR_LINKON_EN       0x0400	/* link on detected enable */
#define WOLCR_MAGIC_EN        0x0200	/* magic packet filter enable */
#define WOLCR_UNICAST_EN      0x0100	/* unicast filter enable */


/*
 *	Bits in PWCFG
 */

#define PWCFG_PHYPWOPT          0x80	/* internal MII I/F timing */
#define PWCFG_PCISTICK          0x40	/* PCI sticky R/W enable */
#define PWCFG_WOLTYPE           0x20	/* pulse(1) or button (0) */
#define PWCFG_LEGCY_WOL         0x10
#define PWCFG_PMCSR_PME_SR      0x08
#define PWCFG_PMCSR_PME_EN      0x04	/* control by PCISTICK */
#define PWCFG_LEGACY_WOLSR      0x02	/* Legacy WOL_SR shadow */
#define PWCFG_LEGACY_WOLEN      0x01	/* Legacy WOL_EN shadow */

/*
 *	Bits in WOLCFG
 */

#define WOLCFG_PMEOVR           0x80	/* for legacy use, force PMEEN always */
#define WOLCFG_SAM              0x20	/* accept multicast case reset, default=0 */
#define WOLCFG_SAB              0x10	/* accept broadcast case reset, default=0 */
#define WOLCFG_SMIIACC          0x08	/* ?? */
#define WOLCFG_SGENWH           0x02
#define WOLCFG_PHYINTEN         0x01	/* 0:PHYINT trigger enable, 1:use internal MII
					  to report status change */
/*
 *	Bits in WOLSR1
 */

#define WOLSR_LINKOFF_INT      0x0800
#define WOLSR_LINKON_INT       0x0400
#define WOLSR_MAGIC_INT        0x0200
#define WOLSR_UNICAST_INT      0x0100

/*
 *	Ethernet address filter type
 */

#define PKT_TYPE_NONE               0x0000	/* Turn off receiver */
#define PKT_TYPE_DIRECTED           0x0001	/* obselete, directed address is always accepted */
#define PKT_TYPE_MULTICAST          0x0002
#define PKT_TYPE_ALL_MULTICAST      0x0004
#define PKT_TYPE_BROADCAST          0x0008
#define PKT_TYPE_PROMISCUOUS        0x0020
#define PKT_TYPE_LONG               0x2000	/* NOTE.... the definition of LONG is >2048 bytes in our chip */
#define PKT_TYPE_RUNT               0x4000
#define PKT_TYPE_ERROR              0x8000	/* Accept error packets, e.g. CRC error */

/*
 *	Loopback mode
 */

#define MAC_LB_NONE         0x00
#define MAC_LB_INTERNAL     0x01
#define MAC_LB_EXTERNAL     0x02

/*
 *	Enabled mask value of irq
 */

#if defined(_SIM)
#define IMR_MASK_VALUE      0x0033FF0FUL	/* initial value of IMR
						   set IMR0 to 0x0F according to spec */

#else
#define IMR_MASK_VALUE      0x0013FB0FUL	/* initial value of IMR
						   ignore MIBFI,RACEI to
						   reduce intr. frequency
						   NOTE.... do not enable NoBuf int mask at driver driver
						      when (1) NoBuf -> RxThreshold = SF
							   (2) OK    -> RxThreshold = original value
						 */
#endif

/*
 *	Revision id
 */

#define REV_ID_VT3119_A0	0x00
#define REV_ID_VT3119_A1	0x01
#define REV_ID_VT3216_A0	0x10

/*
 *	Max time out delay time
 */

#define W_MAX_TIMEOUT       0x0FFFU


/*
 *	MAC registers as a structure. Cannot be directly accessed this
 *	way but generates offsets for readl/writel() calls
 */

struct mac_regs {
	volatile u8 PAR[6];		/* 0x00 */
	volatile u8 RCR;
	volatile u8 TCR;

	volatile __le32 CR0Set;		/* 0x08 */
	volatile __le32 CR0Clr;		/* 0x0C */

	volatile u8 MARCAM[8];		/* 0x10 */

	volatile __le32 DecBaseHi;	/* 0x18 */
	volatile __le16 DbfBaseHi;	/* 0x1C */
	volatile __le16 reserved_1E;

	volatile __le16 ISRCTL;		/* 0x20 */
	volatile u8 TXESR;
	volatile u8 RXESR;

	volatile __le32 ISR;		/* 0x24 */
	volatile __le32 IMR;

	volatile __le32 TDStatusPort;	/* 0x2C */

	volatile __le16 TDCSRSet;	/* 0x30 */
	volatile u8 RDCSRSet;
	volatile u8 reserved_33;
	volatile __le16 TDCSRClr;
	volatile u8 RDCSRClr;
	volatile u8 reserved_37;

	volatile __le32 RDBaseLo;	/* 0x38 */
	volatile __le16 RDIdx;		/* 0x3C */
	volatile u8 TQETMR;		/* 0x3E, VT3216 and above only */
	volatile u8 RQETMR;		/* 0x3F, VT3216 and above only */

	volatile __le32 TDBaseLo[4];	/* 0x40 */

	volatile __le16 RDCSize;	/* 0x50 */
	volatile __le16 TDCSize;	/* 0x52 */
	volatile __le16 TDIdx[4];	/* 0x54 */
	volatile __le16 tx_pause_timer;	/* 0x5C */
	volatile __le16 RBRDU;		/* 0x5E */

	volatile __le32 FIFOTest0;	/* 0x60 */
	volatile __le32 FIFOTest1;	/* 0x64 */

	volatile u8 CAMADDR;		/* 0x68 */
	volatile u8 CAMCR;		/* 0x69 */
	volatile u8 GFTEST;		/* 0x6A */
	volatile u8 FTSTCMD;		/* 0x6B */

	volatile u8 MIICFG;		/* 0x6C */
	volatile u8 MIISR;
	volatile u8 PHYSR0;
	volatile u8 PHYSR1;
	volatile u8 MIICR;
	volatile u8 MIIADR;
	volatile __le16 MIIDATA;

	volatile __le16 SoftTimer0;	/* 0x74 */
	volatile __le16 SoftTimer1;

	volatile u8 CFGA;		/* 0x78 */
	volatile u8 CFGB;
	volatile u8 CFGC;
	volatile u8 CFGD;

	volatile __le16 DCFG;		/* 0x7C */
	volatile __le16 MCFG;

	volatile u8 TBIST;		/* 0x80 */
	volatile u8 RBIST;
	volatile u8 PMCPORT;
	volatile u8 STICKHW;

	volatile u8 MIBCR;		/* 0x84 */
	volatile u8 reserved_85;
	volatile u8 rev_id;
	volatile u8 PORSTS;

	volatile __le32 MIBData;	/* 0x88 */

	volatile __le16 EEWrData;

	volatile u8 reserved_8E;
	volatile u8 BPMDWr;
	volatile u8 BPCMD;
	volatile u8 BPMDRd;

	volatile u8 EECHKSUM;		/* 0x92 */
	volatile u8 EECSR;

	volatile __le16 EERdData;	/* 0x94 */
	volatile u8 EADDR;
	volatile u8 EMBCMD;


	volatile u8 JMPSR0;		/* 0x98 */
	volatile u8 JMPSR1;
	volatile u8 JMPSR2;
	volatile u8 JMPSR3;
	volatile u8 CHIPGSR;		/* 0x9C */
	volatile u8 TESTCFG;
	volatile u8 DEBUG;
	volatile u8 CHIPGCR;

	volatile __le16 WOLCRSet;	/* 0xA0 */
	volatile u8 PWCFGSet;
	volatile u8 WOLCFGSet;

	volatile __le16 WOLCRClr;	/* 0xA4 */
	volatile u8 PWCFGCLR;
	volatile u8 WOLCFGClr;

	volatile __le16 WOLSRSet;	/* 0xA8 */
	volatile __le16 reserved_AA;

	volatile __le16 WOLSRClr;	/* 0xAC */
	volatile __le16 reserved_AE;

	volatile __le16 PatternCRC[8];	/* 0xB0 */
	volatile __le32 ByteMask[4][4];	/* 0xC0 */
};


enum hw_mib {
	HW_MIB_ifRxAllPkts = 0,
	HW_MIB_ifRxOkPkts,
	HW_MIB_ifTxOkPkts,
	HW_MIB_ifRxErrorPkts,
	HW_MIB_ifRxRuntOkPkt,
	HW_MIB_ifRxRuntErrPkt,
	HW_MIB_ifRx64Pkts,
	HW_MIB_ifTx64Pkts,
	HW_MIB_ifRx65To127Pkts,
	HW_MIB_ifTx65To127Pkts,
	HW_MIB_ifRx128To255Pkts,
	HW_MIB_ifTx128To255Pkts,
	HW_MIB_ifRx256To511Pkts,
	HW_MIB_ifTx256To511Pkts,
	HW_MIB_ifRx512To1023Pkts,
	HW_MIB_ifTx512To1023Pkts,
	HW_MIB_ifRx1024To1518Pkts,
	HW_MIB_ifTx1024To1518Pkts,
	HW_MIB_ifTxEtherCollisions,
	HW_MIB_ifRxPktCRCE,
	HW_MIB_ifRxJumboPkts,
	HW_MIB_ifTxJumboPkts,
	HW_MIB_ifRxMacControlFrames,
	HW_MIB_ifTxMacControlFrames,
	HW_MIB_ifRxPktFAE,
	HW_MIB_ifRxLongOkPkt,
	HW_MIB_ifRxLongPktErrPkt,
	HW_MIB_ifTXSQEErrors,
	HW_MIB_ifRxNobuf,
	HW_MIB_ifRxSymbolErrors,
	HW_MIB_ifInRangeLengthErrors,
	HW_MIB_ifLateCollisions,
	HW_MIB_SIZE
};

enum chip_type {
	CHIP_TYPE_VT6110 = 1,
};

struct velocity_info_tbl {
	enum chip_type chip_id;
	const char *name;
	int txqueue;
	u32 flags;
};

#define mac_hw_mibs_init(regs) {\
	BYTE_REG_BITS_ON(MIBCR_MIBFRZ,&((regs)->MIBCR));\
	BYTE_REG_BITS_ON(MIBCR_MIBCLR,&((regs)->MIBCR));\
	do {}\
		while (BYTE_REG_BITS_IS_ON(MIBCR_MIBCLR,&((regs)->MIBCR)));\
	BYTE_REG_BITS_OFF(MIBCR_MIBFRZ,&((regs)->MIBCR));\
}

#define mac_read_isr(regs)  		readl(&((regs)->ISR))
#define mac_write_isr(regs, x)  	writel((x),&((regs)->ISR))
#define mac_clear_isr(regs) 		writel(0xffffffffL,&((regs)->ISR))

#define mac_write_int_mask(mask, regs) 	writel((mask),&((regs)->IMR));
#define mac_disable_int(regs)       	writel(CR0_GINTMSK1,&((regs)->CR0Clr))
#define mac_enable_int(regs)    	writel(CR0_GINTMSK1,&((regs)->CR0Set))

#define mac_set_dma_length(regs, n) {\
	BYTE_REG_BITS_SET((n),0x07,&((regs)->DCFG));\
}

#define mac_set_rx_thresh(regs, n) {\
	BYTE_REG_BITS_SET((n),(MCFG_RFT0|MCFG_RFT1),&((regs)->MCFG));\
}

#define mac_rx_queue_run(regs) {\
	writeb(TRDCSR_RUN, &((regs)->RDCSRSet));\
}

#define mac_rx_queue_wake(regs) {\
	writeb(TRDCSR_WAK, &((regs)->RDCSRSet));\
}

#define mac_tx_queue_run(regs, n) {\
	writew(TRDCSR_RUN<<((n)*4),&((regs)->TDCSRSet));\
}

#define mac_tx_queue_wake(regs, n) {\
	writew(TRDCSR_WAK<<(n*4),&((regs)->TDCSRSet));\
}

static inline void mac_eeprom_reload(struct mac_regs __iomem * regs) {
	int i=0;

	BYTE_REG_BITS_ON(EECSR_RELOAD,&(regs->EECSR));
	do {
		udelay(10);
		if (i++>0x1000)
			break;
	} while (BYTE_REG_BITS_IS_ON(EECSR_RELOAD,&(regs->EECSR)));
}

/*
 * Header for WOL definitions. Used to compute hashes
 */

typedef u8 MCAM_ADDR[ETH_ALEN];

struct arp_packet {
	u8 dest_mac[ETH_ALEN];
	u8 src_mac[ETH_ALEN];
	__be16 type;
	__be16 ar_hrd;
	__be16 ar_pro;
	u8 ar_hln;
	u8 ar_pln;
	__be16 ar_op;
	u8 ar_sha[ETH_ALEN];
	u8 ar_sip[4];
	u8 ar_tha[ETH_ALEN];
	u8 ar_tip[4];
} __packed;

struct _magic_packet {
	u8 dest_mac[6];
	u8 src_mac[6];
	__be16 type;
	u8 MAC[16][6];
	u8 password[6];
} __packed;

/*
 *	Store for chip context when saving and restoring status. Not
 *	all fields are saved/restored currently.
 */

struct velocity_context {
	u8 mac_reg[256];
	MCAM_ADDR cam_addr[MCAM_SIZE];
	u16 vcam[VCAM_SIZE];
	u32 cammask[2];
	u32 patcrc[2];
	u32 pattern[8];
};

/*
 *	Registers in the MII (offset unit is WORD)
 */

// Marvell 88E1000/88E1000S
#define MII_REG_PSCR        0x10	// PHY specific control register

//
// Bits in the Silicon revision register
//

#define TCSR_ECHODIS        0x2000	//
#define AUXCR_MDPPS         0x0004	//

// Bits in the PLED register
#define PLED_LALBE			0x0004	//

// Marvell 88E1000/88E1000S Bits in the PHY specific control register (10h)
#define PSCR_ACRSTX         0x0800	// Assert CRS on Transmit

#define PHYID_CICADA_CS8201 0x000FC410UL
#define PHYID_VT3216_32BIT  0x000FC610UL
#define PHYID_VT3216_64BIT  0x000FC600UL
#define PHYID_MARVELL_1000  0x01410C50UL
#define PHYID_MARVELL_1000S 0x01410C40UL
#define PHYID_ICPLUS_IP101A 0x02430C54UL
#define PHYID_REV_ID_MASK   0x0000000FUL

#define PHYID_GET_PHY_ID(i)         ((i) & ~PHYID_REV_ID_MASK)

#define MII_REG_BITS_ON(x,i,p) do {\
    u16 w;\
    velocity_mii_read((p),(i),&(w));\
    (w)|=(x);\
    velocity_mii_write((p),(i),(w));\
} while (0)

#define MII_REG_BITS_OFF(x,i,p) do {\
    u16 w;\
    velocity_mii_read((p),(i),&(w));\
    (w)&=(~(x));\
    velocity_mii_write((p),(i),(w));\
} while (0)

#define MII_REG_BITS_IS_ON(x,i,p) ({\
    u16 w;\
    velocity_mii_read((p),(i),&(w));\
    ((int) ((w) & (x)));})

#define MII_GET_PHY_ID(p) ({\
    u32 id;\
    velocity_mii_read((p),MII_PHYSID2,(u16 *) &id);\
    velocity_mii_read((p),MII_PHYSID1,((u16 *) &id)+1);\
    (id);})

/*
 * Inline debug routine
 */


enum velocity_msg_level {
	MSG_LEVEL_ERR = 0,	//Errors that will cause abnormal operation.
	MSG_LEVEL_NOTICE = 1,	//Some errors need users to be notified.
	MSG_LEVEL_INFO = 2,	//Normal message.
	MSG_LEVEL_VERBOSE = 3,	//Will report all trival errors.
	MSG_LEVEL_DEBUG = 4	//Only for debug purpose.
};

#ifdef VELOCITY_DEBUG
#define ASSERT(x) { \
	if (!(x)) { \
		printk(KERN_ERR "assertion %s failed: file %s line %d\n", #x,\
			__func__, __LINE__);\
		BUG(); \
	}\
}
#define VELOCITY_DBG(p,args...) printk(p, ##args)
#else
#define ASSERT(x)
#define VELOCITY_DBG(x)
#endif

#define VELOCITY_PRT(l, p, args...) do {if (l<=msglevel) printk( p ,##args);} while (0)

#define VELOCITY_PRT_CAMMASK(p,t) {\
	int i;\
	if ((t)==VELOCITY_MULTICAST_CAM) {\
        	for (i=0;i<(MCAM_SIZE/8);i++)\
			printk("%02X",(p)->mCAMmask[i]);\
	}\
	else {\
		for (i=0;i<(VCAM_SIZE/8);i++)\
			printk("%02X",(p)->vCAMmask[i]);\
	}\
	printk("\n");\
}



#define     VELOCITY_WOL_MAGIC             0x00000000UL
#define     VELOCITY_WOL_PHY               0x00000001UL
#define     VELOCITY_WOL_ARP               0x00000002UL
#define     VELOCITY_WOL_UCAST             0x00000004UL
#define     VELOCITY_WOL_BCAST             0x00000010UL
#define     VELOCITY_WOL_MCAST             0x00000020UL
#define     VELOCITY_WOL_MAGIC_SEC         0x00000040UL

/*
 *	Flags for options
 */

#define     VELOCITY_FLAGS_TAGGING         0x00000001UL
#define     VELOCITY_FLAGS_RX_CSUM         0x00000004UL
#define     VELOCITY_FLAGS_IP_ALIGN        0x00000008UL
#define     VELOCITY_FLAGS_VAL_PKT_LEN     0x00000010UL

#define     VELOCITY_FLAGS_FLOW_CTRL       0x01000000UL

/*
 *	Flags for driver status
 */

#define     VELOCITY_FLAGS_OPENED          0x00010000UL
#define     VELOCITY_FLAGS_VMNS_CONNECTED  0x00020000UL
#define     VELOCITY_FLAGS_VMNS_COMMITTED  0x00040000UL
#define     VELOCITY_FLAGS_WOL_ENABLED     0x00080000UL

/*
 *	Flags for MII status
 */

#define     VELOCITY_LINK_FAIL             0x00000001UL
#define     VELOCITY_SPEED_10              0x00000002UL
#define     VELOCITY_SPEED_100             0x00000004UL
#define     VELOCITY_SPEED_1000            0x00000008UL
#define     VELOCITY_DUPLEX_FULL           0x00000010UL
#define     VELOCITY_AUTONEG_ENABLE        0x00000020UL
#define     VELOCITY_FORCED_BY_EEPROM      0x00000040UL

/*
 *	For velocity_set_media_duplex
 */

#define     VELOCITY_LINK_CHANGE           0x00000001UL

enum speed_opt {
	SPD_DPX_AUTO = 0,
	SPD_DPX_100_HALF = 1,
	SPD_DPX_100_FULL = 2,
	SPD_DPX_10_HALF = 3,
	SPD_DPX_10_FULL = 4,
	SPD_DPX_1000_FULL = 5
};

enum velocity_init_type {
	VELOCITY_INIT_COLD = 0,
	VELOCITY_INIT_RESET,
	VELOCITY_INIT_WOL
};

enum velocity_flow_cntl_type {
	FLOW_CNTL_DEFAULT = 1,
	FLOW_CNTL_TX,
	FLOW_CNTL_RX,
	FLOW_CNTL_TX_RX,
	FLOW_CNTL_DISABLE,
};

struct velocity_opt {
	int numrx;			/* Number of RX descriptors */
	int numtx;			/* Number of TX descriptors */
	enum speed_opt spd_dpx;		/* Media link mode */

	int DMA_length;			/* DMA length */
	int rx_thresh;			/* RX_THRESH */
	int flow_cntl;
	int wol_opts;			/* Wake on lan options */
	int td_int_count;
	int int_works;
	int rx_bandwidth_hi;
	int rx_bandwidth_lo;
	int rx_bandwidth_en;
	int rxqueue_timer;
	int txqueue_timer;
	int tx_intsup;
	int rx_intsup;
	u32 flags;
};

#define AVAIL_TD(p,q)   ((p)->options.numtx-((p)->tx.used[(q)]))

#define GET_RD_BY_IDX(vptr, idx)   (vptr->rd_ring[idx])

struct velocity_info {
	struct device *dev;
	struct pci_dev *pdev;
	struct net_device *netdev;
	int no_eeprom;

	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
	u8 ip_addr[4];
	enum chip_type chip_id;

	struct mac_regs __iomem * mac_regs;
	unsigned long memaddr;
	unsigned long ioaddr;

	struct tx_info {
		int numq;

		/* FIXME: the locality of the data seems rather poor. */
		int used[TX_QUEUE_NO];
		int curr[TX_QUEUE_NO];
		int tail[TX_QUEUE_NO];
		struct tx_desc *rings[TX_QUEUE_NO];
		struct velocity_td_info *infos[TX_QUEUE_NO];
		dma_addr_t pool_dma[TX_QUEUE_NO];
	} tx;

	struct rx_info {
		int buf_sz;

		int dirty;
		int curr;
		u32 filled;
		struct rx_desc *ring;
		struct velocity_rd_info *info;	/* It's an array */
		dma_addr_t pool_dma;
	} rx;

	u32 mib_counter[MAX_HW_MIB_COUNTER];
	struct velocity_opt options;

	u32 int_mask;

	u32 flags;

	u32 mii_status;
	u32 phy_id;
	int multicast_limit;

	u8 vCAMmask[(VCAM_SIZE / 8)];
	u8 mCAMmask[(MCAM_SIZE / 8)];

	spinlock_t lock;

	int wol_opts;
	u8 wol_passwd[6];

	struct velocity_context context;

	u32 ticks;

	u8 rev_id;

	struct napi_struct napi;
};

/**
 *	velocity_get_ip		-	find an IP address for the device
 *	@vptr: Velocity to query
 *
 *	Dig out an IP address for this interface so that we can
 *	configure wakeup with WOL for ARP. If there are multiple IP
 *	addresses on this chain then we use the first - multi-IP WOL is not
 *	supported.
 *
 */

static inline int velocity_get_ip(struct velocity_info *vptr)
{
	struct in_device *in_dev;
	struct in_ifaddr *ifa;
	int res = -ENOENT;

	rcu_read_lock();
	in_dev = __in_dev_get_rcu(vptr->netdev);
	if (in_dev != NULL) {
		ifa = rcu_dereference(in_dev->ifa_list);
		if (ifa != NULL) {
			memcpy(vptr->ip_addr, &ifa->ifa_address, 4);
			res = 0;
		}
	}
	rcu_read_unlock();
	return res;
}

/**
 *	velocity_update_hw_mibs	-	fetch MIB counters from chip
 *	@vptr: velocity to update
 *
 *	The velocity hardware keeps certain counters in the hardware
 * 	side. We need to read these when the user asks for statistics
 *	or when they overflow (causing an interrupt). The read of the
 *	statistic clears it, so we keep running master counters in user
 *	space.
 */

static inline void velocity_update_hw_mibs(struct velocity_info *vptr)
{
	u32 tmp;
	int i;
	BYTE_REG_BITS_ON(MIBCR_MIBFLSH, &(vptr->mac_regs->MIBCR));

	while (BYTE_REG_BITS_IS_ON(MIBCR_MIBFLSH, &(vptr->mac_regs->MIBCR)));

	BYTE_REG_BITS_ON(MIBCR_MPTRINI, &(vptr->mac_regs->MIBCR));
	for (i = 0; i < HW_MIB_SIZE; i++) {
		tmp = readl(&(vptr->mac_regs->MIBData)) & 0x00FFFFFFUL;
		vptr->mib_counter[i] += tmp;
	}
}

/**
 *	init_flow_control_register 	-	set up flow control
 *	@vptr: velocity to configure
 *
 *	Configure the flow control registers for this velocity device.
 */

static inline void init_flow_control_register(struct velocity_info *vptr)
{
	struct mac_regs __iomem * regs = vptr->mac_regs;

	/* Set {XHITH1, XHITH0, XLTH1, XLTH0} in FlowCR1 to {1, 0, 1, 1}
	   depend on RD=64, and Turn on XNOEN in FlowCR1 */
	writel((CR0_XONEN | CR0_XHITH1 | CR0_XLTH1 | CR0_XLTH0), &regs->CR0Set);
	writel((CR0_FDXTFCEN | CR0_FDXRFCEN | CR0_HDXFCEN | CR0_XHITH0), &regs->CR0Clr);

	/* Set TxPauseTimer to 0xFFFF */
	writew(0xFFFF, &regs->tx_pause_timer);

	/* Initialize RBRDU to Rx buffer count. */
	writew(vptr->options.numrx, &regs->RBRDU);
}


#endif