summaryrefslogtreecommitdiffstats
path: root/drivers/net/jme.h
blob: adaf3ddbf7835387bf6bca79f024d65919739ccb (plain)
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
/*
 * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver
 *
 * Copyright 2008 JMicron Technology Corporation
 * http://www.jmicron.com/
 *
 * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#ifndef __JME_H_INCLUDED__
#define __JME_H_INCLUDEE__

#define DRV_NAME	"jme"
#define DRV_VERSION	"1.0.3"
#define PFX		DRV_NAME ": "

#define PCI_DEVICE_ID_JMICRON_JMC250	0x0250
#define PCI_DEVICE_ID_JMICRON_JMC260	0x0260

/*
 * Message related definitions
 */
#define JME_DEF_MSG_ENABLE \
	(NETIF_MSG_PROBE | \
	NETIF_MSG_LINK | \
	NETIF_MSG_RX_ERR | \
	NETIF_MSG_TX_ERR | \
	NETIF_MSG_HW)

#define jeprintk(pdev, fmt, args...) \
	printk(KERN_ERR PFX fmt, ## args)

#ifdef TX_DEBUG
#define tx_dbg(priv, fmt, args...) \
	printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ## args)
#else
#define tx_dbg(priv, fmt, args...)
#endif

#define jme_msg(msglvl, type, priv, fmt, args...) \
	if (netif_msg_##type(priv)) \
		printk(msglvl "%s: " fmt, (priv)->dev->name, ## args)

#define msg_probe(priv, fmt, args...) \
	jme_msg(KERN_INFO, probe, priv, fmt, ## args)

#define msg_link(priv, fmt, args...) \
	jme_msg(KERN_INFO, link, priv, fmt, ## args)

#define msg_intr(priv, fmt, args...) \
	jme_msg(KERN_INFO, intr, priv, fmt, ## args)

#define msg_rx_err(priv, fmt, args...) \
	jme_msg(KERN_ERR, rx_err, priv, fmt, ## args)

#define msg_rx_status(priv, fmt, args...) \
	jme_msg(KERN_INFO, rx_status, priv, fmt, ## args)

#define msg_tx_err(priv, fmt, args...) \
	jme_msg(KERN_ERR, tx_err, priv, fmt, ## args)

#define msg_tx_done(priv, fmt, args...) \
	jme_msg(KERN_INFO, tx_done, priv, fmt, ## args)

#define msg_tx_queued(priv, fmt, args...) \
	jme_msg(KERN_INFO, tx_queued, priv, fmt, ## args)

#define msg_hw(priv, fmt, args...) \
	jme_msg(KERN_ERR, hw, priv, fmt, ## args)

/*
 * Extra PCI Configuration space interface
 */
#define PCI_DCSR_MRRS		0x59
#define PCI_DCSR_MRRS_MASK	0x70

enum pci_dcsr_mrrs_vals {
	MRRS_128B	= 0x00,
	MRRS_256B	= 0x10,
	MRRS_512B	= 0x20,
	MRRS_1024B	= 0x30,
	MRRS_2048B	= 0x40,
	MRRS_4096B	= 0x50,
};

#define PCI_SPI			0xB0

enum pci_spi_bits {
	SPI_EN		= 0x10,
	SPI_MISO	= 0x08,
	SPI_MOSI	= 0x04,
	SPI_SCLK	= 0x02,
	SPI_CS		= 0x01,
};

struct jme_spi_op {
	void __user *uwbuf;
	void __user *urbuf;
	__u8	wn;	/* Number of write actions */
	__u8	rn;	/* Number of read actions */
	__u8	bitn;	/* Number of bits per action */
	__u8	spd;	/* The maxim acceptable speed of controller, in MHz.*/
	__u8	mode;	/* CPOL, CPHA, and Duplex mode of SPI */

	/* Internal use only */
	u8	*kwbuf;
	u8	*krbuf;
	u8	sr;
	u16	halfclk; /* Half of clock cycle calculated from spd, in ns */
};

enum jme_spi_op_bits {
	SPI_MODE_CPHA	= 0x01,
	SPI_MODE_CPOL	= 0x02,
	SPI_MODE_DUP	= 0x80,
};

#define HALF_US 500	/* 500 ns */
#define JMESPIIOCTL	SIOCDEVPRIVATE

/*
 * Dynamic(adaptive)/Static PCC values
 */
enum dynamic_pcc_values {
	PCC_OFF		= 0,
	PCC_P1		= 1,
	PCC_P2		= 2,
	PCC_P3		= 3,

	PCC_OFF_TO	= 0,
	PCC_P1_TO	= 1,
	PCC_P2_TO	= 64,
	PCC_P3_TO	= 128,

	PCC_OFF_CNT	= 0,
	PCC_P1_CNT	= 1,
	PCC_P2_CNT	= 16,
	PCC_P3_CNT	= 32,
};
struct dynpcc_info {
	unsigned long	last_bytes;
	unsigned long	last_pkts;
	unsigned long	intr_cnt;
	unsigned char	cur;
	unsigned char	attempt;
	unsigned char	cnt;
};
#define PCC_INTERVAL_US	100000
#define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US))
#define PCC_P3_THRESHOLD (2 * 1024 * 1024)
#define PCC_P2_THRESHOLD 800
#define PCC_INTR_THRESHOLD 800
#define PCC_TX_TO 1000
#define PCC_TX_CNT 8

/*
 * TX/RX Descriptors
 *
 * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024
 */
#define RING_DESC_ALIGN		16	/* Descriptor alignment */
#define TX_DESC_SIZE		16
#define TX_RING_NR		8
#define TX_RING_ALLOC_SIZE(s)	((s * TX_DESC_SIZE) + RING_DESC_ALIGN)

struct txdesc {
	union {
		__u8	all[16];
		__le32	dw[4];
		struct {
			/* DW0 */
			__le16	vlan;
			__u8	rsv1;
			__u8	flags;

			/* DW1 */
			__le16	datalen;
			__le16	mss;

			/* DW2 */
			__le16	pktsize;
			__le16	rsv2;

			/* DW3 */
			__le32	bufaddr;
		} desc1;
		struct {
			/* DW0 */
			__le16	rsv1;
			__u8	rsv2;
			__u8	flags;

			/* DW1 */
			__le16	datalen;
			__le16	rsv3;

			/* DW2 */
			__le32	bufaddrh;

			/* DW3 */
			__le32	bufaddrl;
		} desc2;
		struct {
			/* DW0 */
			__u8	ehdrsz;
			__u8	rsv1;
			__u8	rsv2;
			__u8	flags;

			/* DW1 */
			__le16	trycnt;
			__le16	segcnt;

			/* DW2 */
			__le16	pktsz;
			__le16	rsv3;

			/* DW3 */
			__le32	bufaddrl;
		} descwb;
	};
};

enum jme_txdesc_flags_bits {
	TXFLAG_OWN	= 0x80,
	TXFLAG_INT	= 0x40,
	TXFLAG_64BIT	= 0x20,
	TXFLAG_TCPCS	= 0x10,
	TXFLAG_UDPCS	= 0x08,
	TXFLAG_IPCS	= 0x04,
	TXFLAG_LSEN	= 0x02,
	TXFLAG_TAGON	= 0x01,
};

#define TXDESC_MSS_SHIFT	2
enum jme_rxdescwb_flags_bits {
	TXWBFLAG_OWN	= 0x80,
	TXWBFLAG_INT	= 0x40,
	TXWBFLAG_TMOUT	= 0x20,
	TXWBFLAG_TRYOUT	= 0x10,
	TXWBFLAG_COL	= 0x08,

	TXWBFLAG_ALLERR	= TXWBFLAG_TMOUT |
			  TXWBFLAG_TRYOUT |
			  TXWBFLAG_COL,
};

#define RX_DESC_SIZE		16
#define RX_RING_NR		4
#define RX_RING_ALLOC_SIZE(s)	((s * RX_DESC_SIZE) + RING_DESC_ALIGN)
#define RX_BUF_DMA_ALIGN	8
#define RX_PREPAD_SIZE		10
#define ETH_CRC_LEN		2
#define RX_VLANHDR_LEN		2
#define RX_EXTRA_LEN		(RX_PREPAD_SIZE + \
				ETH_HLEN + \
				ETH_CRC_LEN + \
				RX_VLANHDR_LEN + \
				RX_BUF_DMA_ALIGN)

struct rxdesc {
	union {
		__u8	all[16];
		__le32	dw[4];
		struct {
			/* DW0 */
			__le16	rsv2;
			__u8	rsv1;
			__u8	flags;

			/* DW1 */
			__le16	datalen;
			__le16	wbcpl;

			/* DW2 */
			__le32	bufaddrh;

			/* DW3 */
			__le32	bufaddrl;
		} desc1;
		struct {
			/* DW0 */
			__le16	vlan;
			__le16	flags;

			/* DW1 */
			__le16	framesize;
			__u8	errstat;
			__u8	desccnt;

			/* DW2 */
			__le32	rsshash;

			/* DW3 */
			__u8	hashfun;
			__u8	hashtype;
			__le16	resrv;
		} descwb;
	};
};

enum jme_rxdesc_flags_bits {
	RXFLAG_OWN	= 0x80,
	RXFLAG_INT	= 0x40,
	RXFLAG_64BIT	= 0x20,
};

enum jme_rxwbdesc_flags_bits {
	RXWBFLAG_OWN		= 0x8000,
	RXWBFLAG_INT		= 0x4000,
	RXWBFLAG_MF		= 0x2000,
	RXWBFLAG_64BIT		= 0x2000,
	RXWBFLAG_TCPON		= 0x1000,
	RXWBFLAG_UDPON		= 0x0800,
	RXWBFLAG_IPCS		= 0x0400,
	RXWBFLAG_TCPCS		= 0x0200,
	RXWBFLAG_UDPCS		= 0x0100,
	RXWBFLAG_TAGON		= 0x0080,
	RXWBFLAG_IPV4		= 0x0040,
	RXWBFLAG_IPV6		= 0x0020,
	RXWBFLAG_PAUSE		= 0x0010,
	RXWBFLAG_MAGIC		= 0x0008,
	RXWBFLAG_WAKEUP		= 0x0004,
	RXWBFLAG_DEST		= 0x0003,
	RXWBFLAG_DEST_UNI	= 0x0001,
	RXWBFLAG_DEST_MUL	= 0x0002,
	RXWBFLAG_DEST_BRO	= 0x0003,
};

enum jme_rxwbdesc_desccnt_mask {
	RXWBDCNT_WBCPL	= 0x80,
	RXWBDCNT_DCNT	= 0x7F,
};

enum jme_rxwbdesc_errstat_bits {
	RXWBERR_LIMIT	= 0x80,
	RXWBERR_MIIER	= 0x40,
	RXWBERR_NIBON	= 0x20,
	RXWBERR_COLON	= 0x10,
	RXWBERR_ABORT	= 0x08,
	RXWBERR_SHORT	= 0x04,
	RXWBERR_OVERUN	= 0x02,
	RXWBERR_CRCERR	= 0x01,
	RXWBERR_ALLERR	= 0xFF,
};

/*
 * Buffer information corresponding to ring descriptors.
 */
struct jme_buffer_info {
	struct sk_buff *skb;
	dma_addr_t mapping;
	int len;
	int nr_desc;
	unsigned long start_xmit;
};

/*
 * The structure holding buffer information and ring descriptors all together.
 */
#define MAX_RING_DESC_NR	1024
struct jme_ring {
	void *alloc;		/* pointer to allocated memory */
	void *desc;		/* pointer to ring memory  */
	dma_addr_t dmaalloc;	/* phys address of ring alloc */
	dma_addr_t dma;		/* phys address for ring dma */

	/* Buffer information corresponding to each descriptor */
	struct jme_buffer_info bufinf[MAX_RING_DESC_NR];

	int next_to_use;
	atomic_t next_to_clean;
	atomic_t nr_free;
};

#define NET_STAT(priv) (priv->dev->stats)
#define NETDEV_GET_STATS(netdev, fun_ptr)
#define DECLARE_NET_DEVICE_STATS

#define DECLARE_NAPI_STRUCT struct napi_struct napi;
#define NETIF_NAPI_SET(dev, napis, pollfn, q) \
	netif_napi_add(dev, napis, pollfn, q);
#define JME_NAPI_HOLDER(holder) struct napi_struct *holder
#define JME_NAPI_WEIGHT(w) int w
#define JME_NAPI_WEIGHT_VAL(w) w
#define JME_NAPI_WEIGHT_SET(w, r)
#define JME_RX_COMPLETE(dev, napis) netif_rx_complete(dev, napis)
#define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi);
#define JME_NAPI_DISABLE(priv) \
	if (!napi_disable_pending(&priv->napi)) \
		napi_disable(&priv->napi);
#define JME_RX_SCHEDULE_PREP(priv) \
	netif_rx_schedule_prep(priv->dev, &priv->napi)
#define JME_RX_SCHEDULE(priv) \
	__netif_rx_schedule(priv->dev, &priv->napi);

/*
 * Jmac Adapter Private data
 */
#define SHADOW_REG_NR 8
struct jme_adapter {
	struct pci_dev          *pdev;
	struct net_device       *dev;
	void __iomem            *regs;
	dma_addr_t		shadow_dma;
	u32			*shadow_regs;
	struct mii_if_info	mii_if;
	struct jme_ring		rxring[RX_RING_NR];
	struct jme_ring		txring[TX_RING_NR];
	spinlock_t		phy_lock;
	spinlock_t		macaddr_lock;
	spinlock_t		rxmcs_lock;
	struct tasklet_struct	rxempty_task;
	struct tasklet_struct	rxclean_task;
	struct tasklet_struct	txclean_task;
	struct tasklet_struct	linkch_task;
	struct tasklet_struct	pcc_task;
	unsigned long		flags;
	u32			reg_txcs;
	u32			reg_txpfc;
	u32			reg_rxcs;
	u32			reg_rxmcs;
	u32			reg_ghc;
	u32			reg_pmcs;
	u32			phylink;
	u32			tx_ring_size;
	u32			tx_ring_mask;
	u32			tx_wake_threshold;
	u32			rx_ring_size;
	u32			rx_ring_mask;
	u8			mrrs;
	unsigned int		fpgaver;
	unsigned int		chiprev;
	u8			rev;
	u32			msg_enable;
	struct ethtool_cmd	old_ecmd;
	unsigned int		old_mtu;
	struct vlan_group	*vlgrp;
	struct dynpcc_info	dpi;
	atomic_t		intr_sem;
	atomic_t		link_changing;
	atomic_t		tx_cleaning;
	atomic_t		rx_cleaning;
	atomic_t		rx_empty;
	int			(*jme_rx)(struct sk_buff *skb);
	int			(*jme_vlan_rx)(struct sk_buff *skb,
					  struct vlan_group *grp,
					  unsigned short vlan_tag);
	DECLARE_NAPI_STRUCT
	DECLARE_NET_DEVICE_STATS
};

enum shadow_reg_val {
	SHADOW_IEVE = 0,
};

enum jme_flags_bits {
	JME_FLAG_MSI		= 1,
	JME_FLAG_SSET		= 2,
	JME_FLAG_TXCSUM		= 3,
	JME_FLAG_TSO		= 4,
	JME_FLAG_POLL		= 5,
	JME_FLAG_SHUTDOWN	= 6,
};

#define TX_TIMEOUT		(5 * HZ)
#define JME_REG_LEN		0x500
#define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216

static inline struct jme_adapter*
jme_napi_priv(struct napi_struct *napi)
{
	struct jme_adapter *jme;
	jme = container_of(napi, struct jme_adapter, napi);
	return jme;
}

/*
 * MMaped I/O Resters
 */
enum jme_iomap_offsets {
	JME_MAC		= 0x0000,
	JME_PHY		= 0x0400,
	JME_MISC	= 0x0800,
	JME_RSS		= 0x0C00,
};

enum jme_iomap_lens {
	JME_MAC_LEN	= 0x80,
	JME_PHY_LEN	= 0x58,
	JME_MISC_LEN	= 0x98,
	JME_RSS_LEN	= 0xFF,
};

enum jme_iomap_regs {
	JME_TXCS	= JME_MAC | 0x00, /* Transmit Control and Status */
	JME_TXDBA_LO	= JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */
	JME_TXDBA_HI	= JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */
	JME_TXQDC	= JME_MAC | 0x0C, /* Transmit Queue Desc Count */
	JME_TXNDA	= JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */
	JME_TXMCS	= JME_MAC | 0x14, /* Transmit MAC Control Status */
	JME_TXPFC	= JME_MAC | 0x18, /* Transmit Pause Frame Control */
	JME_TXTRHD	= JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */

	JME_RXCS	= JME_MAC | 0x20, /* Receive Control and Status */
	JME_RXDBA_LO	= JME_MAC | 0x24, /* Receive Queue Desc Base Addr */
	JME_RXDBA_HI	= JME_MAC | 0x28, /* Receive Queue Desc Base Addr */
	JME_RXQDC	= JME_MAC | 0x2C, /* Receive Queue Desc Count */
	JME_RXNDA	= JME_MAC | 0x30, /* Receive Queue Next Desc Addr */
	JME_RXMCS	= JME_MAC | 0x34, /* Receive MAC Control Status */
	JME_RXUMA_LO	= JME_MAC | 0x38, /* Receive Unicast MAC Address */
	JME_RXUMA_HI	= JME_MAC | 0x3C, /* Receive Unicast MAC Address */
	JME_RXMCHT_LO	= JME_MAC | 0x40, /* Recv Multicast Addr HashTable */
	JME_RXMCHT_HI	= JME_MAC | 0x44, /* Recv Multicast Addr HashTable */
	JME_WFODP	= JME_MAC | 0x48, /* Wakeup Frame Output Data Port */
	JME_WFOI	= JME_MAC | 0x4C, /* Wakeup Frame Output Interface */

	JME_SMI		= JME_MAC | 0x50, /* Station Management Interface */
	JME_GHC		= JME_MAC | 0x54, /* Global Host Control */
	JME_PMCS	= JME_MAC | 0x60, /* Power Management Control/Stat */


	JME_PHY_CS	= JME_PHY | 0x28, /* PHY Ctrl and Status Register */
	JME_PHY_LINK	= JME_PHY | 0x30, /* PHY Link Status Register */
	JME_SMBCSR	= JME_PHY | 0x40, /* SMB Control and Status */
	JME_SMBINTF	= JME_PHY | 0x44, /* SMB Interface */


	JME_TMCSR	= JME_MISC | 0x00, /* Timer Control/Status Register */
	JME_GPREG0	= JME_MISC | 0x08, /* General purpose REG-0 */
	JME_GPREG1	= JME_MISC | 0x0C, /* General purpose REG-1 */
	JME_IEVE	= JME_MISC | 0x20, /* Interrupt Event Status */
	JME_IREQ	= JME_MISC | 0x24, /* Intr Req Status(For Debug) */
	JME_IENS	= JME_MISC | 0x28, /* Intr Enable - Setting Port */
	JME_IENC	= JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */
	JME_PCCRX0	= JME_MISC | 0x30, /* PCC Control for RX Queue 0 */
	JME_PCCTX	= JME_MISC | 0x40, /* PCC Control for TX Queues */
	JME_CHIPMODE	= JME_MISC | 0x44, /* Identify FPGA Version */
	JME_SHBA_HI	= JME_MISC | 0x48, /* Shadow Register Base HI */
	JME_SHBA_LO	= JME_MISC | 0x4C, /* Shadow Register Base LO */
	JME_TIMER1	= JME_MISC | 0x70, /* Timer1 */
	JME_TIMER2	= JME_MISC | 0x74, /* Timer2 */
	JME_APMC	= JME_MISC | 0x7C, /* Aggressive Power Mode Control */
	JME_PCCSRX0	= JME_MISC | 0x80, /* PCC Status of RX0 */
};

/*
 * TX Control/Status Bits
 */
enum jme_txcs_bits {
	TXCS_QUEUE7S	= 0x00008000,
	TXCS_QUEUE6S	= 0x00004000,
	TXCS_QUEUE5S	= 0x00002000,
	TXCS_QUEUE4S	= 0x00001000,
	TXCS_QUEUE3S	= 0x00000800,
	TXCS_QUEUE2S	= 0x00000400,
	TXCS_QUEUE1S	= 0x00000200,
	TXCS_QUEUE0S	= 0x00000100,
	TXCS_FIFOTH	= 0x000000C0,
	TXCS_DMASIZE	= 0x00000030,
	TXCS_BURST	= 0x00000004,
	TXCS_ENABLE	= 0x00000001,
};

enum jme_txcs_value {
	TXCS_FIFOTH_16QW	= 0x000000C0,
	TXCS_FIFOTH_12QW	= 0x00000080,
	TXCS_FIFOTH_8QW		= 0x00000040,
	TXCS_FIFOTH_4QW		= 0x00000000,

	TXCS_DMASIZE_64B	= 0x00000000,
	TXCS_DMASIZE_128B	= 0x00000010,
	TXCS_DMASIZE_256B	= 0x00000020,
	TXCS_DMASIZE_512B	= 0x00000030,

	TXCS_SELECT_QUEUE0	= 0x00000000,
	TXCS_SELECT_QUEUE1	= 0x00010000,
	TXCS_SELECT_QUEUE2	= 0x00020000,
	TXCS_SELECT_QUEUE3	= 0x00030000,
	TXCS_SELECT_QUEUE4	= 0x00040000,
	TXCS_SELECT_QUEUE5	= 0x00050000,
	TXCS_SELECT_QUEUE6	= 0x00060000,
	TXCS_SELECT_QUEUE7	= 0x00070000,

	TXCS_DEFAULT		= TXCS_FIFOTH_4QW |
				  TXCS_BURST,
};

#define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */

/*
 * TX MAC Control/Status Bits
 */
enum jme_txmcs_bit_masks {
	TXMCS_IFG2		= 0xC0000000,
	TXMCS_IFG1		= 0x30000000,
	TXMCS_TTHOLD		= 0x00000300,
	TXMCS_FBURST		= 0x00000080,
	TXMCS_CARRIEREXT	= 0x00000040,
	TXMCS_DEFER		= 0x00000020,
	TXMCS_BACKOFF		= 0x00000010,
	TXMCS_CARRIERSENSE	= 0x00000008,
	TXMCS_COLLISION		= 0x00000004,
	TXMCS_CRC		= 0x00000002,
	TXMCS_PADDING		= 0x00000001,
};

enum jme_txmcs_values {
	TXMCS_IFG2_6_4		= 0x00000000,
	TXMCS_IFG2_8_5		= 0x40000000,
	TXMCS_IFG2_10_6		= 0x80000000,
	TXMCS_IFG2_12_7		= 0xC0000000,

	TXMCS_IFG1_8_4		= 0x00000000,
	TXMCS_IFG1_12_6		= 0x10000000,
	TXMCS_IFG1_16_8		= 0x20000000,
	TXMCS_IFG1_20_10	= 0x30000000,

	TXMCS_TTHOLD_1_8	= 0x00000000,
	TXMCS_TTHOLD_1_4	= 0x00000100,
	TXMCS_TTHOLD_1_2	= 0x00000200,
	TXMCS_TTHOLD_FULL	= 0x00000300,

	TXMCS_DEFAULT		= TXMCS_IFG2_8_5 |
				  TXMCS_IFG1_16_8 |
				  TXMCS_TTHOLD_FULL |
				  TXMCS_DEFER |
				  TXMCS_CRC |
				  TXMCS_PADDING,
};

enum jme_txpfc_bits_masks {
	TXPFC_VLAN_TAG		= 0xFFFF0000,
	TXPFC_VLAN_EN		= 0x00008000,
	TXPFC_PF_EN		= 0x00000001,
};

enum jme_txtrhd_bits_masks {
	TXTRHD_TXPEN		= 0x80000000,
	TXTRHD_TXP		= 0x7FFFFF00,
	TXTRHD_TXREN		= 0x00000080,
	TXTRHD_TXRL		= 0x0000007F,
};

enum jme_txtrhd_shifts {
	TXTRHD_TXP_SHIFT	= 8,
	TXTRHD_TXRL_SHIFT	= 0,
};

/*
 * RX Control/Status Bits
 */
enum jme_rxcs_bit_masks {
	/* FIFO full threshold for transmitting Tx Pause Packet */
	RXCS_FIFOTHTP	= 0x30000000,
	/* FIFO threshold for processing next packet */
	RXCS_FIFOTHNP	= 0x0C000000,
	RXCS_DMAREQSZ	= 0x03000000, /* DMA Request Size */
	RXCS_QUEUESEL	= 0x00030000, /* Queue selection */
	RXCS_RETRYGAP	= 0x0000F000, /* RX Desc full retry gap */
	RXCS_RETRYCNT	= 0x00000F00, /* RX Desc full retry counter */
	RXCS_WAKEUP	= 0x00000040, /* Enable receive wakeup packet */
	RXCS_MAGIC	= 0x00000020, /* Enable receive magic packet */
	RXCS_SHORT	= 0x00000010, /* Enable receive short packet */
	RXCS_ABORT	= 0x00000008, /* Enable receive errorr packet */
	RXCS_QST	= 0x00000004, /* Receive queue start */
	RXCS_SUSPEND	= 0x00000002,
	RXCS_ENABLE	= 0x00000001,
};

enum jme_rxcs_values {
	RXCS_FIFOTHTP_16T	= 0x00000000,
	RXCS_FIFOTHTP_32T	= 0x10000000,
	RXCS_FIFOTHTP_64T	= 0x20000000,
	RXCS_FIFOTHTP_128T	= 0x30000000,

	RXCS_FIFOTHNP_16QW	= 0x00000000,
	RXCS_FIFOTHNP_32QW	= 0x04000000,
	RXCS_FIFOTHNP_64QW	= 0x08000000,
	RXCS_FIFOTHNP_128QW	= 0x0C000000,

	RXCS_DMAREQSZ_16B	= 0x00000000,
	RXCS_DMAREQSZ_32B	= 0x01000000,
	RXCS_DMAREQSZ_64B	= 0x02000000,
	RXCS_DMAREQSZ_128B	= 0x03000000,

	RXCS_QUEUESEL_Q0	= 0x00000000,
	RXCS_QUEUESEL_Q1	= 0x00010000,
	RXCS_QUEUESEL_Q2	= 0x00020000,
	RXCS_QUEUESEL_Q3	= 0x00030000,

	RXCS_RETRYGAP_256ns	= 0x00000000,
	RXCS_RETRYGAP_512ns	= 0x00001000,
	RXCS_RETRYGAP_1024ns	= 0x00002000,
	RXCS_RETRYGAP_2048ns	= 0x00003000,
	RXCS_RETRYGAP_4096ns	= 0x00004000,
	RXCS_RETRYGAP_8192ns	= 0x00005000,
	RXCS_RETRYGAP_16384ns	= 0x00006000,
	RXCS_RETRYGAP_32768ns	= 0x00007000,

	RXCS_RETRYCNT_0		= 0x00000000,
	RXCS_RETRYCNT_4		= 0x00000100,
	RXCS_RETRYCNT_8		= 0x00000200,
	RXCS_RETRYCNT_12	= 0x00000300,
	RXCS_RETRYCNT_16	= 0x00000400,
	RXCS_RETRYCNT_20	= 0x00000500,
	RXCS_RETRYCNT_24	= 0x00000600,
	RXCS_RETRYCNT_28	= 0x00000700,
	RXCS_RETRYCNT_32	= 0x00000800,
	RXCS_RETRYCNT_36	= 0x00000900,
	RXCS_RETRYCNT_40	= 0x00000A00,
	RXCS_RETRYCNT_44	= 0x00000B00,
	RXCS_RETRYCNT_48	= 0x00000C00,
	RXCS_RETRYCNT_52	= 0x00000D00,
	RXCS_RETRYCNT_56	= 0x00000E00,
	RXCS_RETRYCNT_60	= 0x00000F00,

	RXCS_DEFAULT		= RXCS_FIFOTHTP_128T |
				  RXCS_FIFOTHNP_128QW |
				  RXCS_DMAREQSZ_128B |
				  RXCS_RETRYGAP_256ns |
				  RXCS_RETRYCNT_32,
};

#define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */

/*
 * RX MAC Control/Status Bits
 */
enum jme_rxmcs_bits {
	RXMCS_ALLFRAME		= 0x00000800,
	RXMCS_BRDFRAME		= 0x00000400,
	RXMCS_MULFRAME		= 0x00000200,
	RXMCS_UNIFRAME		= 0x00000100,
	RXMCS_ALLMULFRAME	= 0x00000080,
	RXMCS_MULFILTERED	= 0x00000040,
	RXMCS_RXCOLLDEC		= 0x00000020,
	RXMCS_FLOWCTRL		= 0x00000008,
	RXMCS_VTAGRM		= 0x00000004,
	RXMCS_PREPAD		= 0x00000002,
	RXMCS_CHECKSUM		= 0x00000001,

	RXMCS_DEFAULT		= RXMCS_VTAGRM |
				  RXMCS_PREPAD |
				  RXMCS_FLOWCTRL |
				  RXMCS_CHECKSUM,
};

/*
 * Wakeup Frame setup interface registers
 */
#define WAKEUP_FRAME_NR	8
#define WAKEUP_FRAME_MASK_DWNR	4

enum jme_wfoi_bit_masks {
	WFOI_MASK_SEL		= 0x00000070,
	WFOI_CRC_SEL		= 0x00000008,
	WFOI_FRAME_SEL		= 0x00000007,
};

enum jme_wfoi_shifts {
	WFOI_MASK_SHIFT		= 4,
};

/*
 * SMI Related definitions
 */
enum jme_smi_bit_mask {
	SMI_DATA_MASK		= 0xFFFF0000,
	SMI_REG_ADDR_MASK	= 0x0000F800,
	SMI_PHY_ADDR_MASK	= 0x000007C0,
	SMI_OP_WRITE		= 0x00000020,
	/* Set to 1, after req done it'll be cleared to 0 */
	SMI_OP_REQ		= 0x00000010,
	SMI_OP_MDIO		= 0x00000008, /* Software assess In/Out */
	SMI_OP_MDOE		= 0x00000004, /* Software Output Enable */
	SMI_OP_MDC		= 0x00000002, /* Software CLK Control */
	SMI_OP_MDEN		= 0x00000001, /* Software access Enable */
};

enum jme_smi_bit_shift {
	SMI_DATA_SHIFT		= 16,
	SMI_REG_ADDR_SHIFT	= 11,
	SMI_PHY_ADDR_SHIFT	= 6,
};

static inline u32 smi_reg_addr(int x)
{
	return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK;
}

static inline u32 smi_phy_addr(int x)
{
	return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK;
}

#define JME_PHY_TIMEOUT 100 /* 100 msec */
#define JME_PHY_REG_NR 32

/*
 * Global Host Control
 */
enum jme_ghc_bit_mask {
	GHC_SWRST		= 0x40000000,
	GHC_DPX			= 0x00000040,
	GHC_SPEED		= 0x00000030,
	GHC_LINK_POLL		= 0x00000001,
};

enum jme_ghc_speed_val {
	GHC_SPEED_10M		= 0x00000010,
	GHC_SPEED_100M		= 0x00000020,
	GHC_SPEED_1000M		= 0x00000030,
};

enum jme_ghc_to_clk {
	GHC_TO_CLK_OFF		= 0x00000000,
	GHC_TO_CLK_GPHY		= 0x00400000,
	GHC_TO_CLK_PCIE		= 0x00800000,
	GHC_TO_CLK_INVALID	= 0x00C00000,
};

enum jme_ghc_txmac_clk {
	GHC_TXMAC_CLK_OFF	= 0x00000000,
	GHC_TXMAC_CLK_GPHY	= 0x00100000,
	GHC_TXMAC_CLK_PCIE	= 0x00200000,
	GHC_TXMAC_CLK_INVALID	= 0x00300000,
};

/*
 * Power management control and status register
 */
enum jme_pmcs_bit_masks {
	PMCS_WF7DET	= 0x80000000,
	PMCS_WF6DET	= 0x40000000,
	PMCS_WF5DET	= 0x20000000,
	PMCS_WF4DET	= 0x10000000,
	PMCS_WF3DET	= 0x08000000,
	PMCS_WF2DET	= 0x04000000,
	PMCS_WF1DET	= 0x02000000,
	PMCS_WF0DET	= 0x01000000,
	PMCS_LFDET	= 0x00040000,
	PMCS_LRDET	= 0x00020000,
	PMCS_MFDET	= 0x00010000,
	PMCS_WF7EN	= 0x00008000,
	PMCS_WF6EN	= 0x00004000,
	PMCS_WF5EN	= 0x00002000,
	PMCS_WF4EN	= 0x00001000,
	PMCS_WF3EN	= 0x00000800,
	PMCS_WF2EN	= 0x00000400,
	PMCS_WF1EN	= 0x00000200,
	PMCS_WF0EN	= 0x00000100,
	PMCS_LFEN	= 0x00000004,
	PMCS_LREN	= 0x00000002,
	PMCS_MFEN	= 0x00000001,
};

/*
 * Giga PHY Status Registers
 */
enum jme_phy_link_bit_mask {
	PHY_LINK_SPEED_MASK		= 0x0000C000,
	PHY_LINK_DUPLEX			= 0x00002000,
	PHY_LINK_SPEEDDPU_RESOLVED	= 0x00000800,
	PHY_LINK_UP			= 0x00000400,
	PHY_LINK_AUTONEG_COMPLETE	= 0x00000200,
	PHY_LINK_MDI_STAT		= 0x00000040,
};

enum jme_phy_link_speed_val {
	PHY_LINK_SPEED_10M		= 0x00000000,
	PHY_LINK_SPEED_100M		= 0x00004000,
	PHY_LINK_SPEED_1000M		= 0x00008000,
};

#define JME_SPDRSV_TIMEOUT	500	/* 500 us */

/*
 * SMB Control and Status
 */
enum jme_smbcsr_bit_mask {
	SMBCSR_CNACK	= 0x00020000,
	SMBCSR_RELOAD	= 0x00010000,
	SMBCSR_EEPROMD	= 0x00000020,
	SMBCSR_INITDONE	= 0x00000010,
	SMBCSR_BUSY	= 0x0000000F,
};

enum jme_smbintf_bit_mask {
	SMBINTF_HWDATR	= 0xFF000000,
	SMBINTF_HWDATW	= 0x00FF0000,
	SMBINTF_HWADDR	= 0x0000FF00,
	SMBINTF_HWRWN	= 0x00000020,
	SMBINTF_HWCMD	= 0x00000010,
	SMBINTF_FASTM	= 0x00000008,
	SMBINTF_GPIOSCL	= 0x00000004,
	SMBINTF_GPIOSDA	= 0x00000002,
	SMBINTF_GPIOEN	= 0x00000001,
};

enum jme_smbintf_vals {
	SMBINTF_HWRWN_READ	= 0x00000020,
	SMBINTF_HWRWN_WRITE	= 0x00000000,
};

enum jme_smbintf_shifts {
	SMBINTF_HWDATR_SHIFT	= 24,
	SMBINTF_HWDATW_SHIFT	= 16,
	SMBINTF_HWADDR_SHIFT	= 8,
};

#define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */
#define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */
#define JME_SMB_LEN 256
#define JME_EEPROM_MAGIC 0x250

/*
 * Timer Control/Status Register
 */
enum jme_tmcsr_bit_masks {
	TMCSR_SWIT	= 0x80000000,
	TMCSR_EN	= 0x01000000,
	TMCSR_CNT	= 0x00FFFFFF,
};

/*
 * General Purpose REG-0
 */
enum jme_gpreg0_masks {
	GPREG0_DISSH		= 0xFF000000,
	GPREG0_PCIRLMT		= 0x00300000,
	GPREG0_PCCNOMUTCLR	= 0x00040000,
	GPREG0_LNKINTPOLL	= 0x00001000,
	GPREG0_PCCTMR		= 0x00000300,
	GPREG0_PHYADDR		= 0x0000001F,
};

enum jme_gpreg0_vals {
	GPREG0_DISSH_DW7	= 0x80000000,
	GPREG0_DISSH_DW6	= 0x40000000,
	GPREG0_DISSH_DW5	= 0x20000000,
	GPREG0_DISSH_DW4	= 0x10000000,
	GPREG0_DISSH_DW3	= 0x08000000,
	GPREG0_DISSH_DW2	= 0x04000000,
	GPREG0_DISSH_DW1	= 0x02000000,
	GPREG0_DISSH_DW0	= 0x01000000,
	GPREG0_DISSH_ALL	= 0xFF000000,

	GPREG0_PCIRLMT_8	= 0x00000000,
	GPREG0_PCIRLMT_6	= 0x00100000,
	GPREG0_PCIRLMT_5	= 0x00200000,
	GPREG0_PCIRLMT_4	= 0x00300000,

	GPREG0_PCCTMR_16ns	= 0x00000000,
	GPREG0_PCCTMR_256ns	= 0x00000100,
	GPREG0_PCCTMR_1us	= 0x00000200,
	GPREG0_PCCTMR_1ms	= 0x00000300,

	GPREG0_PHYADDR_1	= 0x00000001,

	GPREG0_DEFAULT		= GPREG0_PCIRLMT_4 |
				  GPREG0_PCCTMR_1us |
				  GPREG0_PHYADDR_1,
};

/*
 * General Purpose REG-1
 * Note: All theses bits defined here are for
 *       Chip mode revision 0x11 only
 */
enum jme_gpreg1_masks {
	GPREG1_INTRDELAYUNIT	= 0x00000018,
	GPREG1_INTRDELAYENABLE	= 0x00000007,
};

enum jme_gpreg1_vals {
	GPREG1_RSSPATCH		= 0x00000040,
	GPREG1_HALFMODEPATCH	= 0x00000020,

	GPREG1_INTDLYUNIT_16NS	= 0x00000000,
	GPREG1_INTDLYUNIT_256NS	= 0x00000008,
	GPREG1_INTDLYUNIT_1US	= 0x00000010,
	GPREG1_INTDLYUNIT_16US	= 0x00000018,

	GPREG1_INTDLYEN_1U	= 0x00000001,
	GPREG1_INTDLYEN_2U	= 0x00000002,
	GPREG1_INTDLYEN_3U	= 0x00000003,
	GPREG1_INTDLYEN_4U	= 0x00000004,
	GPREG1_INTDLYEN_5U	= 0x00000005,
	GPREG1_INTDLYEN_6U	= 0x00000006,
	GPREG1_INTDLYEN_7U	= 0x00000007,

	GPREG1_DEFAULT		= 0x00000000,
};

/*
 * Interrupt Status Bits
 */
enum jme_interrupt_bits {
	INTR_SWINTR	= 0x80000000,
	INTR_TMINTR	= 0x40000000,
	INTR_LINKCH	= 0x20000000,
	INTR_PAUSERCV	= 0x10000000,
	INTR_MAGICRCV	= 0x08000000,
	INTR_WAKERCV	= 0x04000000,
	INTR_PCCRX0TO	= 0x02000000,
	INTR_PCCRX1TO	= 0x01000000,
	INTR_PCCRX2TO	= 0x00800000,
	INTR_PCCRX3TO	= 0x00400000,
	INTR_PCCTXTO	= 0x00200000,
	INTR_PCCRX0	= 0x00100000,
	INTR_PCCRX1	= 0x00080000,
	INTR_PCCRX2	= 0x00040000,
	INTR_PCCRX3	= 0x00020000,
	INTR_PCCTX	= 0x00010000,
	INTR_RX3EMP	= 0x00008000,
	INTR_RX2EMP	= 0x00004000,
	INTR_RX1EMP	= 0x00002000,
	INTR_RX0EMP	= 0x00001000,
	INTR_RX3	= 0x00000800,
	INTR_RX2	= 0x00000400,
	INTR_RX1	= 0x00000200,
	INTR_RX0	= 0x00000100,
	INTR_TX7	= 0x00000080,
	INTR_TX6	= 0x00000040,
	INTR_TX5	= 0x00000020,
	INTR_TX4	= 0x00000010,
	INTR_TX3	= 0x00000008,
	INTR_TX2	= 0x00000004,
	INTR_TX1	= 0x00000002,
	INTR_TX0	= 0x00000001,
};

static const u32 INTR_ENABLE = INTR_SWINTR |
				 INTR_TMINTR |
				 INTR_LINKCH |
				 INTR_PCCRX0TO |
				 INTR_PCCRX0 |
				 INTR_PCCTXTO |
				 INTR_PCCTX |
				 INTR_RX0EMP;

/*
 * PCC Control Registers
 */
enum jme_pccrx_masks {
	PCCRXTO_MASK	= 0xFFFF0000,
	PCCRX_MASK	= 0x0000FF00,
};

enum jme_pcctx_masks {
	PCCTXTO_MASK	= 0xFFFF0000,
	PCCTX_MASK	= 0x0000FF00,
	PCCTX_QS_MASK	= 0x000000FF,
};

enum jme_pccrx_shifts {
	PCCRXTO_SHIFT	= 16,
	PCCRX_SHIFT	= 8,
};

enum jme_pcctx_shifts {
	PCCTXTO_SHIFT	= 16,
	PCCTX_SHIFT	= 8,
};

enum jme_pcctx_bits {
	PCCTXQ0_EN	= 0x00000001,
	PCCTXQ1_EN	= 0x00000002,
	PCCTXQ2_EN	= 0x00000004,
	PCCTXQ3_EN	= 0x00000008,
	PCCTXQ4_EN	= 0x00000010,
	PCCTXQ5_EN	= 0x00000020,
	PCCTXQ6_EN	= 0x00000040,
	PCCTXQ7_EN	= 0x00000080,
};

/*
 * Chip Mode Register
 */
enum jme_chipmode_bit_masks {
	CM_FPGAVER_MASK		= 0xFFFF0000,
	CM_CHIPREV_MASK		= 0x0000FF00,
	CM_CHIPMODE_MASK	= 0x0000000F,
};

enum jme_chipmode_shifts {
	CM_FPGAVER_SHIFT	= 16,
	CM_CHIPREV_SHIFT	= 8,
};

/*
 * Shadow base address register bits
 */
enum jme_shadow_base_address_bits {
	SHBA_POSTEN	= 0x1,
};

/*
 * Aggressive Power Mode Control
 */
enum jme_apmc_bits {
	JME_APMC_PCIE_SD_EN	= 0x40000000,
	JME_APMC_PSEUDO_HP_EN	= 0x20000000,
	JME_APMC_EPIEN		= 0x04000000,
	JME_APMC_EPIEN_CTRL	= 0x03000000,
};

enum jme_apmc_values {
	JME_APMC_EPIEN_CTRL_EN	= 0x02000000,
	JME_APMC_EPIEN_CTRL_DIS	= 0x01000000,
};

#define APMC_PHP_SHUTDOWN_DELAY	(10 * 1000 * 1000)

#ifdef REG_DEBUG
static char *MAC_REG_NAME[] = {
	"JME_TXCS",      "JME_TXDBA_LO",  "JME_TXDBA_HI", "JME_TXQDC",
	"JME_TXNDA",     "JME_TXMCS",     "JME_TXPFC",    "JME_TXTRHD",
	"JME_RXCS",      "JME_RXDBA_LO",  "JME_RXDBA_HI", "JME_RXQDC",
	"JME_RXNDA",     "JME_RXMCS",     "JME_RXUMA_LO", "JME_RXUMA_HI",
	"JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP",    "JME_WFOI",
	"JME_SMI",       "JME_GHC",       "UNKNOWN",      "UNKNOWN",
	"JME_PMCS"};

static char *PE_REG_NAME[] = {
	"UNKNOWN",      "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
	"UNKNOWN",      "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
	"UNKNOWN",      "UNKNOWN",     "JME_PHY_CS", "UNKNOWN",
	"JME_PHY_LINK", "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
	"JME_SMBCSR",   "JME_SMBINTF"};

static char *MISC_REG_NAME[] = {
	"JME_TMCSR",  "JME_GPIO",     "JME_GPREG0",  "JME_GPREG1",
	"JME_IEVE",   "JME_IREQ",     "JME_IENS",    "JME_IENC",
	"JME_PCCRX0", "JME_PCCRX1",   "JME_PCCRX2",  "JME_PCCRX3",
	"JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO",
	"UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
	"UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
	"UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
	"JME_TIMER1", "JME_TIMER2",   "UNKNOWN",     "JME_APMC",
	"JME_PCCSRX0"};

static inline void reg_dbg(const struct jme_adapter *jme,
		const char *msg, u32 val, u32 reg)
{
	const char *regname;
	switch (reg & 0xF00) {
	case 0x000:
		regname = MAC_REG_NAME[(reg & 0xFF) >> 2];
		break;
	case 0x400:
		regname = PE_REG_NAME[(reg & 0xFF) >> 2];
		break;
	case 0x800:
		regname = MISC_REG_NAME[(reg & 0xFF) >> 2];
		break;
	default:
		regname = PE_REG_NAME[0];
	}
	printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name,
			msg, val, regname);
}
#else
static inline void reg_dbg(const struct jme_adapter *jme,
		const char *msg, u32 val, u32 reg) {}
#endif

/*
 * Read/Write MMaped I/O Registers
 */
static inline u32 jread32(struct jme_adapter *jme, u32 reg)
{
	return readl(jme->regs + reg);
}

static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val)
{
	reg_dbg(jme, "REG WRITE", val, reg);
	writel(val, jme->regs + reg);
	reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
}

static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val)
{
	/*
	 * Read after write should cause flush
	 */
	reg_dbg(jme, "REG WRITE FLUSH", val, reg);
	writel(val, jme->regs + reg);
	readl(jme->regs + reg);
	reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
}

/*
 * PHY Regs
 */
enum jme_phy_reg17_bit_masks {
	PREG17_SPEED		= 0xC000,
	PREG17_DUPLEX		= 0x2000,
	PREG17_SPDRSV		= 0x0800,
	PREG17_LNKUP		= 0x0400,
	PREG17_MDI		= 0x0040,
};

enum jme_phy_reg17_vals {
	PREG17_SPEED_10M	= 0x0000,
	PREG17_SPEED_100M	= 0x4000,
	PREG17_SPEED_1000M	= 0x8000,
};

#define BMSR_ANCOMP               0x0020

/*
 * Workaround
 */
static inline int is_buggy250(unsigned short device, unsigned int chiprev)
{
	return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11;
}

/*
 * Function prototypes
 */
static int jme_set_settings(struct net_device *netdev,
				struct ethtool_cmd *ecmd);
static void jme_set_multi(struct net_device *netdev);

#endif