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jme: convert to SKB paged frag API.
[jme.git] / jme.h
1 /*
2  * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver
3  *
4  * Copyright 2008 JMicron Technology Corporation
5  * http://www.jmicron.com/
6  * Copyright (c) 2009 - 2010 Guo-Fu Tseng <cooldavid@cooldavid.org>
7  *
8  * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22  *
23  */
24
25 #ifndef __JME_H_INCLUDED__
26 #define __JME_H_INCLUDED__
27 #include <linux/interrupt.h>
28
29 #define DRV_NAME        "jme"
30 #define DRV_VERSION     "1.0.8.2-jmmod"
31 #define PFX             DRV_NAME ": "
32
33 #define PCI_DEVICE_ID_JMICRON_JMC250    0x0250
34 #define PCI_DEVICE_ID_JMICRON_JMC260    0x0260
35
36 /*
37  * Message related definitions
38  */
39 #define JME_DEF_MSG_ENABLE \
40         (NETIF_MSG_PROBE | \
41         NETIF_MSG_LINK | \
42         NETIF_MSG_RX_ERR | \
43         NETIF_MSG_TX_ERR | \
44         NETIF_MSG_HW)
45
46 #ifndef pr_err
47 #define pr_err(fmt, arg...) \
48         printk(KERN_ERR fmt, ##arg)
49 #endif
50 #ifndef netdev_err
51 #define netdev_err(netdev, fmt, arg...) \
52         pr_err(fmt, ##arg)
53 #endif
54
55 #ifdef TX_DEBUG
56 #define tx_dbg(priv, fmt, args...)                                      \
57         printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args)
58 #else
59 #define tx_dbg(priv, fmt, args...)                                      \
60 do {                                                                    \
61         if (0)                                                          \
62                 printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args); \
63 } while (0)
64 #endif
65
66 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33)
67 #define jme_msg(msglvl, type, priv, fmt, args...) \
68         if (netif_msg_##type(priv)) \
69                 printk(msglvl "%s: " fmt, (priv)->dev->name, ## args)
70
71 #define msg_probe(priv, fmt, args...) \
72         jme_msg(KERN_INFO, probe, priv, fmt, ## args)
73
74 #define msg_link(priv, fmt, args...) \
75         jme_msg(KERN_INFO, link, priv, fmt, ## args)
76
77 #define msg_intr(priv, fmt, args...) \
78         jme_msg(KERN_INFO, intr, priv, fmt, ## args)
79
80 #define msg_rx_err(priv, fmt, args...) \
81         jme_msg(KERN_ERR, rx_err, priv, fmt, ## args)
82
83 #define msg_rx_status(priv, fmt, args...) \
84         jme_msg(KERN_INFO, rx_status, priv, fmt, ## args)
85
86 #define msg_tx_err(priv, fmt, args...) \
87         jme_msg(KERN_ERR, tx_err, priv, fmt, ## args)
88
89 #define msg_tx_done(priv, fmt, args...) \
90         jme_msg(KERN_INFO, tx_done, priv, fmt, ## args)
91
92 #define msg_tx_queued(priv, fmt, args...) \
93         jme_msg(KERN_INFO, tx_queued, priv, fmt, ## args)
94
95 #define msg_hw(priv, fmt, args...) \
96         jme_msg(KERN_ERR, hw, priv, fmt, ## args)
97
98 #ifndef netif_info
99 #define netif_info(priv, type, dev, fmt, args...) \
100         msg_ ## type(priv, fmt, ## args)
101 #endif
102 #ifndef netif_err
103 #define netif_err(priv, type, dev, fmt, args...) \
104         msg_ ## type(priv, fmt, ## args)
105 #endif
106 #endif
107
108 #ifndef NETIF_F_TSO6
109 #define NETIF_F_TSO6 0
110 #endif
111 #ifndef NETIF_F_IPV6_CSUM
112 #define NETIF_F_IPV6_CSUM 0
113 #endif
114
115 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0)
116 #define __USE_NDO_FIX_FEATURES__
117 #endif
118
119 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)
120 #define __UNIFY_VLAN_RX_PATH__
121 #define __USE_NDO_SET_RX_MODE__
122 #endif
123
124 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)
125 #define __USE_SKB_FRAG_API__
126 #endif
127
128 /*
129  * Extra PCI Configuration space interface
130  */
131 #define PCI_DCSR_MRRS           0x59
132 #define PCI_DCSR_MRRS_MASK      0x70
133
134 enum pci_dcsr_mrrs_vals {
135         MRRS_128B       = 0x00,
136         MRRS_256B       = 0x10,
137         MRRS_512B       = 0x20,
138         MRRS_1024B      = 0x30,
139         MRRS_2048B      = 0x40,
140         MRRS_4096B      = 0x50,
141 };
142
143 #define PCI_SPI                 0xB0
144
145 enum pci_spi_bits {
146         SPI_EN          = 0x10,
147         SPI_MISO        = 0x08,
148         SPI_MOSI        = 0x04,
149         SPI_SCLK        = 0x02,
150         SPI_CS          = 0x01,
151 };
152
153 struct jme_spi_op {
154         void __user *uwbuf;
155         void __user *urbuf;
156         __u8    wn;     /* Number of write actions */
157         __u8    rn;     /* Number of read actions */
158         __u8    bitn;   /* Number of bits per action */
159         __u8    spd;    /* The maxim acceptable speed of controller, in MHz.*/
160         __u8    mode;   /* CPOL, CPHA, and Duplex mode of SPI */
161
162         /* Internal use only */
163         u8      *kwbuf;
164         u8      *krbuf;
165         u8      sr;
166         u16     halfclk; /* Half of clock cycle calculated from spd, in ns */
167 };
168
169 enum jme_spi_op_bits {
170         SPI_MODE_CPHA   = 0x01,
171         SPI_MODE_CPOL   = 0x02,
172         SPI_MODE_DUP    = 0x80,
173 };
174
175 #define HALF_US 500     /* 500 ns */
176 #define JMESPIIOCTL     SIOCDEVPRIVATE
177
178 #define PCI_PRIV_PE1            0xE4
179
180 enum pci_priv_pe1_bit_masks {
181         PE1_ASPMSUPRT   = 0x00000003, /*
182                                        * RW:
183                                        * Aspm_support[1:0]
184                                        * (R/W Port of 5C[11:10])
185                                        */
186         PE1_MULTIFUN    = 0x00000004, /* RW: Multi_fun_bit */
187         PE1_RDYDMA      = 0x00000008, /* RO: ~link.rdy_for_dma */
188         PE1_ASPMOPTL    = 0x00000030, /* RW: link.rx10s_option[1:0] */
189         PE1_ASPMOPTH    = 0x000000C0, /* RW: 10_req=[3]?HW:[2] */
190         PE1_GPREG0      = 0x0000FF00, /*
191                                        * SRW:
192                                        * Cfg_gp_reg0
193                                        * [7:6] phy_giga BG control
194                                        * [5] CREQ_N as CREQ_N1 (CPPE# as CREQ#)
195                                        * [4:0] Reserved
196                                        */
197         PE1_GPREG0_PBG  = 0x0000C000, /* phy_giga BG control */
198         PE1_GPREG1      = 0x00FF0000, /* RW: Cfg_gp_reg1 */
199         PE1_REVID       = 0xFF000000, /* RO: Rev ID */
200 };
201
202 enum pci_priv_pe1_values {
203         PE1_GPREG0_ENBG         = 0x00000000, /* en BG */
204         PE1_GPREG0_PDD3COLD     = 0x00004000, /* giga_PD + d3cold */
205         PE1_GPREG0_PDPCIESD     = 0x00008000, /* giga_PD + pcie_shutdown */
206         PE1_GPREG0_PDPCIEIDDQ   = 0x0000C000, /* giga_PD + pcie_iddq */
207 };
208
209 /*
210  * Dynamic(adaptive)/Static PCC values
211  */
212 enum dynamic_pcc_values {
213         PCC_OFF         = 0,
214         PCC_P1          = 1,
215         PCC_P2          = 2,
216         PCC_P3          = 3,
217
218         PCC_OFF_TO      = 0,
219         PCC_P1_TO       = 1,
220         PCC_P2_TO       = 64,
221         PCC_P3_TO       = 128,
222
223         PCC_OFF_CNT     = 0,
224         PCC_P1_CNT      = 1,
225         PCC_P2_CNT      = 16,
226         PCC_P3_CNT      = 32,
227 };
228 struct dynpcc_info {
229         unsigned long   last_bytes;
230         unsigned long   last_pkts;
231         unsigned long   intr_cnt;
232         unsigned char   cur;
233         unsigned char   attempt;
234         unsigned char   cnt;
235 };
236 #define PCC_INTERVAL_US 100000
237 #define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US))
238 #define PCC_P3_THRESHOLD (2 * 1024 * 1024)
239 #define PCC_P2_THRESHOLD 800
240 #define PCC_INTR_THRESHOLD 800
241 #define PCC_TX_TO 1000
242 #define PCC_TX_CNT 8
243
244 /*
245  * TX/RX Descriptors
246  *
247  * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024
248  */
249 #define RING_DESC_ALIGN         16      /* Descriptor alignment */
250 #define TX_DESC_SIZE            16
251 #define TX_RING_NR              8
252 #define TX_RING_ALLOC_SIZE(s)   ((s * TX_DESC_SIZE) + RING_DESC_ALIGN)
253
254 struct txdesc {
255         union {
256                 __u8    all[16];
257                 __le32  dw[4];
258                 struct {
259                         /* DW0 */
260                         __le16  vlan;
261                         __u8    rsv1;
262                         __u8    flags;
263
264                         /* DW1 */
265                         __le16  datalen;
266                         __le16  mss;
267
268                         /* DW2 */
269                         __le16  pktsize;
270                         __le16  rsv2;
271
272                         /* DW3 */
273                         __le32  bufaddr;
274                 } desc1;
275                 struct {
276                         /* DW0 */
277                         __le16  rsv1;
278                         __u8    rsv2;
279                         __u8    flags;
280
281                         /* DW1 */
282                         __le16  datalen;
283                         __le16  rsv3;
284
285                         /* DW2 */
286                         __le32  bufaddrh;
287
288                         /* DW3 */
289                         __le32  bufaddrl;
290                 } desc2;
291                 struct {
292                         /* DW0 */
293                         __u8    ehdrsz;
294                         __u8    rsv1;
295                         __u8    rsv2;
296                         __u8    flags;
297
298                         /* DW1 */
299                         __le16  trycnt;
300                         __le16  segcnt;
301
302                         /* DW2 */
303                         __le16  pktsz;
304                         __le16  rsv3;
305
306                         /* DW3 */
307                         __le32  bufaddrl;
308                 } descwb;
309         };
310 };
311
312 enum jme_txdesc_flags_bits {
313         TXFLAG_OWN      = 0x80,
314         TXFLAG_INT      = 0x40,
315         TXFLAG_64BIT    = 0x20,
316         TXFLAG_TCPCS    = 0x10,
317         TXFLAG_UDPCS    = 0x08,
318         TXFLAG_IPCS     = 0x04,
319         TXFLAG_LSEN     = 0x02,
320         TXFLAG_TAGON    = 0x01,
321 };
322
323 #define TXDESC_MSS_SHIFT        2
324 enum jme_txwbdesc_flags_bits {
325         TXWBFLAG_OWN    = 0x80,
326         TXWBFLAG_INT    = 0x40,
327         TXWBFLAG_TMOUT  = 0x20,
328         TXWBFLAG_TRYOUT = 0x10,
329         TXWBFLAG_COL    = 0x08,
330
331         TXWBFLAG_ALLERR = TXWBFLAG_TMOUT |
332                           TXWBFLAG_TRYOUT |
333                           TXWBFLAG_COL,
334 };
335
336 #define RX_DESC_SIZE            16
337 #define RX_RING_NR              4
338 #define RX_RING_ALLOC_SIZE(s)   ((s * RX_DESC_SIZE) + RING_DESC_ALIGN)
339 #define RX_BUF_DMA_ALIGN        8
340 #define RX_PREPAD_SIZE          10
341 #define ETH_CRC_LEN             2
342 #define RX_VLANHDR_LEN          2
343 #define RX_EXTRA_LEN            (RX_PREPAD_SIZE + \
344                                 ETH_HLEN + \
345                                 ETH_CRC_LEN + \
346                                 RX_VLANHDR_LEN + \
347                                 RX_BUF_DMA_ALIGN)
348
349 struct rxdesc {
350         union {
351                 __u8    all[16];
352                 __le32  dw[4];
353                 struct {
354                         /* DW0 */
355                         __le16  rsv2;
356                         __u8    rsv1;
357                         __u8    flags;
358
359                         /* DW1 */
360                         __le16  datalen;
361                         __le16  wbcpl;
362
363                         /* DW2 */
364                         __le32  bufaddrh;
365
366                         /* DW3 */
367                         __le32  bufaddrl;
368                 } desc1;
369                 struct {
370                         /* DW0 */
371                         __le16  vlan;
372                         __le16  flags;
373
374                         /* DW1 */
375                         __le16  framesize;
376                         __u8    errstat;
377                         __u8    desccnt;
378
379                         /* DW2 */
380                         __le32  rsshash;
381
382                         /* DW3 */
383                         __u8    hashfun;
384                         __u8    hashtype;
385                         __le16  resrv;
386                 } descwb;
387         };
388 };
389
390 enum jme_rxdesc_flags_bits {
391         RXFLAG_OWN      = 0x80,
392         RXFLAG_INT      = 0x40,
393         RXFLAG_64BIT    = 0x20,
394 };
395
396 enum jme_rxwbdesc_flags_bits {
397         RXWBFLAG_OWN            = 0x8000,
398         RXWBFLAG_INT            = 0x4000,
399         RXWBFLAG_MF             = 0x2000,
400         RXWBFLAG_64BIT          = 0x2000,
401         RXWBFLAG_TCPON          = 0x1000,
402         RXWBFLAG_UDPON          = 0x0800,
403         RXWBFLAG_IPCS           = 0x0400,
404         RXWBFLAG_TCPCS          = 0x0200,
405         RXWBFLAG_UDPCS          = 0x0100,
406         RXWBFLAG_TAGON          = 0x0080,
407         RXWBFLAG_IPV4           = 0x0040,
408         RXWBFLAG_IPV6           = 0x0020,
409         RXWBFLAG_PAUSE          = 0x0010,
410         RXWBFLAG_MAGIC          = 0x0008,
411         RXWBFLAG_WAKEUP         = 0x0004,
412         RXWBFLAG_DEST           = 0x0003,
413         RXWBFLAG_DEST_UNI       = 0x0001,
414         RXWBFLAG_DEST_MUL       = 0x0002,
415         RXWBFLAG_DEST_BRO       = 0x0003,
416 };
417
418 enum jme_rxwbdesc_desccnt_mask {
419         RXWBDCNT_WBCPL  = 0x80,
420         RXWBDCNT_DCNT   = 0x7F,
421 };
422
423 enum jme_rxwbdesc_errstat_bits {
424         RXWBERR_LIMIT   = 0x80,
425         RXWBERR_MIIER   = 0x40,
426         RXWBERR_NIBON   = 0x20,
427         RXWBERR_COLON   = 0x10,
428         RXWBERR_ABORT   = 0x08,
429         RXWBERR_SHORT   = 0x04,
430         RXWBERR_OVERUN  = 0x02,
431         RXWBERR_CRCERR  = 0x01,
432         RXWBERR_ALLERR  = 0xFF,
433 };
434
435 /*
436  * Buffer information corresponding to ring descriptors.
437  */
438 struct jme_buffer_info {
439         struct sk_buff *skb;
440         dma_addr_t mapping;
441         int len;
442         int nr_desc;
443         unsigned long start_xmit;
444 };
445
446 /*
447  * The structure holding buffer information and ring descriptors all together.
448  */
449 struct jme_ring {
450         void *alloc;            /* pointer to allocated memory */
451         void *desc;             /* pointer to ring memory  */
452         dma_addr_t dmaalloc;    /* phys address of ring alloc */
453         dma_addr_t dma;         /* phys address for ring dma */
454
455         /* Buffer information corresponding to each descriptor */
456         struct jme_buffer_info *bufinf;
457
458         int next_to_use;
459         atomic_t next_to_clean;
460         atomic_t nr_free;
461 };
462
463 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18)
464 #define false 0
465 #define true 0
466 #define netdev_alloc_skb(dev, len) dev_alloc_skb(len)
467 #define PCI_VENDOR_ID_JMICRON           0x197B
468 #endif
469
470 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,19)
471 #define PCI_VDEVICE(vendor, device)             \
472         PCI_VENDOR_ID_##vendor, (device),       \
473         PCI_ANY_ID, PCI_ANY_ID, 0, 0
474 #endif
475
476 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21)
477 #define NET_STAT(priv) priv->stats
478 #define NETDEV_GET_STATS(netdev, fun_ptr) \
479         netdev->get_stats = fun_ptr
480 #define DECLARE_NET_DEVICE_STATS struct net_device_stats stats;
481 /*
482  * CentOS 5.2 have *_hdr helpers back-ported
483  */
484 #ifdef RHEL_RELEASE_CODE
485 #if RHEL_RELEASE_CODE < RHEL_RELEASE_VERSION(5,2)
486 #define __DEFINE_IPHDR_HELPERS__
487 #endif
488 #else
489 #define __DEFINE_IPHDR_HELPERS__
490 #endif
491 #else
492 #define NET_STAT(priv) (priv->dev->stats)
493 #define NETDEV_GET_STATS(netdev, fun_ptr)
494 #define DECLARE_NET_DEVICE_STATS
495 #endif
496
497 #ifdef __DEFINE_IPHDR_HELPERS__
498 static inline struct iphdr *ip_hdr(const struct sk_buff *skb)
499 {
500         return skb->nh.iph;
501 }
502
503 static inline struct ipv6hdr *ipv6_hdr(const struct sk_buff *skb)
504 {
505         return skb->nh.ipv6h;
506 }
507
508 static inline struct tcphdr *tcp_hdr(const struct sk_buff *skb)
509 {
510         return skb->h.th;
511 }
512 #endif
513
514 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
515 #define DECLARE_NAPI_STRUCT
516 #define NETIF_NAPI_SET(dev, napis, pollfn, q) \
517         dev->poll = pollfn; \
518         dev->weight = q;
519 #define JME_NAPI_HOLDER(holder) struct net_device *holder
520 #define JME_NAPI_WEIGHT(w) int *w
521 #define JME_NAPI_WEIGHT_VAL(w) *w
522 #define JME_NAPI_WEIGHT_SET(w, r) *w = r
523 #define DECLARE_NETDEV struct net_device *netdev = jme->dev;
524 #define JME_RX_COMPLETE(dev, napis) netif_rx_complete(dev)
525 #define JME_NAPI_ENABLE(priv) netif_poll_enable(priv->dev);
526 #define JME_NAPI_DISABLE(priv) netif_poll_disable(priv->dev);
527 #define JME_RX_SCHEDULE_PREP(priv) \
528         netif_rx_schedule_prep(priv->dev)
529 #define JME_RX_SCHEDULE(priv) \
530         __netif_rx_schedule(priv->dev);
531 #else
532 #define DECLARE_NAPI_STRUCT struct napi_struct napi;
533 #define NETIF_NAPI_SET(dev, napis, pollfn, q) \
534         netif_napi_add(dev, napis, pollfn, q);
535 #define JME_NAPI_HOLDER(holder) struct napi_struct *holder
536 #define JME_NAPI_WEIGHT(w) int w
537 #define JME_NAPI_WEIGHT_VAL(w) w
538 #define JME_NAPI_WEIGHT_SET(w, r)
539 #define DECLARE_NETDEV
540 #define JME_RX_COMPLETE(dev, napis) napi_complete(napis)
541 #define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi);
542 #define JME_NAPI_DISABLE(priv) \
543         if (!napi_disable_pending(&priv->napi)) \
544                 napi_disable(&priv->napi);
545 #define JME_RX_SCHEDULE_PREP(priv) \
546         napi_schedule_prep(&priv->napi)
547 #define JME_RX_SCHEDULE(priv) \
548         __napi_schedule(&priv->napi);
549 #endif
550
551 #if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,38)
552 #define JME_NEW_PM_API
553 #endif
554
555 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26)
556 static inline __u32 ethtool_cmd_speed(struct ethtool_cmd *ep)
557 {
558         return ep->speed;
559 }
560 #endif
561
562 /*
563  * Jmac Adapter Private data
564  */
565 struct jme_adapter {
566         struct pci_dev          *pdev;
567         struct net_device       *dev;
568         void __iomem            *regs;
569         struct mii_if_info      mii_if;
570         struct jme_ring         rxring[RX_RING_NR];
571         struct jme_ring         txring[TX_RING_NR];
572         spinlock_t              phy_lock;
573         spinlock_t              macaddr_lock;
574         spinlock_t              rxmcs_lock;
575         struct tasklet_struct   rxempty_task;
576         struct tasklet_struct   rxclean_task;
577         struct tasklet_struct   txclean_task;
578         struct tasklet_struct   linkch_task;
579         struct tasklet_struct   pcc_task;
580         unsigned long           flags;
581         u32                     reg_txcs;
582         u32                     reg_txpfc;
583         u32                     reg_rxcs;
584         u32                     reg_rxmcs;
585         u32                     reg_ghc;
586         u32                     reg_pmcs;
587         u32                     reg_gpreg1;
588         u32                     phylink;
589         u32                     tx_ring_size;
590         u32                     tx_ring_mask;
591         u32                     tx_wake_threshold;
592         u32                     rx_ring_size;
593         u32                     rx_ring_mask;
594         u8                      mrrs;
595         unsigned int            fpgaver;
596         u8                      chiprev;
597         u8                      chip_main_rev;
598         u8                      chip_sub_rev;
599         u8                      pcirev;
600         u32                     msg_enable;
601         struct ethtool_cmd      old_ecmd;
602         unsigned int            old_mtu;
603 #ifndef __UNIFY_VLAN_RX_PATH__
604         struct vlan_group       *vlgrp;
605 #endif
606         struct dynpcc_info      dpi;
607         atomic_t                intr_sem;
608         atomic_t                link_changing;
609         atomic_t                tx_cleaning;
610         atomic_t                rx_cleaning;
611         atomic_t                rx_empty;
612         int                     (*jme_rx)(struct sk_buff *skb);
613 #ifndef __UNIFY_VLAN_RX_PATH__
614         int                     (*jme_vlan_rx)(struct sk_buff *skb,
615                                           struct vlan_group *grp,
616                                           unsigned short vlan_tag);
617 #endif
618         DECLARE_NAPI_STRUCT
619         DECLARE_NET_DEVICE_STATS
620 };
621
622 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21)
623 static struct net_device_stats *
624 jme_get_stats(struct net_device *netdev)
625 {
626         struct jme_adapter *jme = netdev_priv(netdev);
627         return &jme->stats;
628 }
629 #endif
630
631 enum jme_flags_bits {
632         JME_FLAG_MSI            = 1,
633         JME_FLAG_SSET           = 2,
634 #ifndef __USE_NDO_FIX_FEATURES__
635         JME_FLAG_TXCSUM         = 3,
636         JME_FLAG_TSO            = 4,
637 #endif
638         JME_FLAG_POLL           = 5,
639         JME_FLAG_SHUTDOWN       = 6,
640 };
641
642 #define TX_TIMEOUT              (5 * HZ)
643 #define JME_REG_LEN             0x500
644 #define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216
645
646 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
647 static inline struct jme_adapter*
648 jme_napi_priv(struct net_device *holder)
649 {
650         struct jme_adapter *jme;
651         jme = netdev_priv(holder);
652         return jme;
653 }
654 #else
655 static inline struct jme_adapter*
656 jme_napi_priv(struct napi_struct *napi)
657 {
658         struct jme_adapter *jme;
659         jme = container_of(napi, struct jme_adapter, napi);
660         return jme;
661 }
662 #endif
663
664 /*
665  * MMaped I/O Resters
666  */
667 enum jme_iomap_offsets {
668         JME_MAC         = 0x0000,
669         JME_PHY         = 0x0400,
670         JME_MISC        = 0x0800,
671         JME_RSS         = 0x0C00,
672 };
673
674 enum jme_iomap_lens {
675         JME_MAC_LEN     = 0x80,
676         JME_PHY_LEN     = 0x58,
677         JME_MISC_LEN    = 0x98,
678         JME_RSS_LEN     = 0xFF,
679 };
680
681 enum jme_iomap_regs {
682         JME_TXCS        = JME_MAC | 0x00, /* Transmit Control and Status */
683         JME_TXDBA_LO    = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */
684         JME_TXDBA_HI    = JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */
685         JME_TXQDC       = JME_MAC | 0x0C, /* Transmit Queue Desc Count */
686         JME_TXNDA       = JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */
687         JME_TXMCS       = JME_MAC | 0x14, /* Transmit MAC Control Status */
688         JME_TXPFC       = JME_MAC | 0x18, /* Transmit Pause Frame Control */
689         JME_TXTRHD      = JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */
690
691         JME_RXCS        = JME_MAC | 0x20, /* Receive Control and Status */
692         JME_RXDBA_LO    = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */
693         JME_RXDBA_HI    = JME_MAC | 0x28, /* Receive Queue Desc Base Addr */
694         JME_RXQDC       = JME_MAC | 0x2C, /* Receive Queue Desc Count */
695         JME_RXNDA       = JME_MAC | 0x30, /* Receive Queue Next Desc Addr */
696         JME_RXMCS       = JME_MAC | 0x34, /* Receive MAC Control Status */
697         JME_RXUMA_LO    = JME_MAC | 0x38, /* Receive Unicast MAC Address */
698         JME_RXUMA_HI    = JME_MAC | 0x3C, /* Receive Unicast MAC Address */
699         JME_RXMCHT_LO   = JME_MAC | 0x40, /* Recv Multicast Addr HashTable */
700         JME_RXMCHT_HI   = JME_MAC | 0x44, /* Recv Multicast Addr HashTable */
701         JME_WFODP       = JME_MAC | 0x48, /* Wakeup Frame Output Data Port */
702         JME_WFOI        = JME_MAC | 0x4C, /* Wakeup Frame Output Interface */
703
704         JME_SMI         = JME_MAC | 0x50, /* Station Management Interface */
705         JME_GHC         = JME_MAC | 0x54, /* Global Host Control */
706         JME_PMCS        = JME_MAC | 0x60, /* Power Management Control/Stat */
707
708
709         JME_PHY_PWR     = JME_PHY | 0x24, /* New PHY Power Ctrl Register */
710         JME_PHY_CS      = JME_PHY | 0x28, /* PHY Ctrl and Status Register */
711         JME_PHY_LINK    = JME_PHY | 0x30, /* PHY Link Status Register */
712         JME_SMBCSR      = JME_PHY | 0x40, /* SMB Control and Status */
713         JME_SMBINTF     = JME_PHY | 0x44, /* SMB Interface */
714
715
716         JME_TMCSR       = JME_MISC | 0x00, /* Timer Control/Status Register */
717         JME_GPREG0      = JME_MISC | 0x08, /* General purpose REG-0 */
718         JME_GPREG1      = JME_MISC | 0x0C, /* General purpose REG-1 */
719         JME_IEVE        = JME_MISC | 0x20, /* Interrupt Event Status */
720         JME_IREQ        = JME_MISC | 0x24, /* Intr Req Status(For Debug) */
721         JME_IENS        = JME_MISC | 0x28, /* Intr Enable - Setting Port */
722         JME_IENC        = JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */
723         JME_PCCRX0      = JME_MISC | 0x30, /* PCC Control for RX Queue 0 */
724         JME_PCCTX       = JME_MISC | 0x40, /* PCC Control for TX Queues */
725         JME_CHIPMODE    = JME_MISC | 0x44, /* Identify FPGA Version */
726         JME_SHBA_HI     = JME_MISC | 0x48, /* Shadow Register Base HI */
727         JME_SHBA_LO     = JME_MISC | 0x4C, /* Shadow Register Base LO */
728         JME_TIMER1      = JME_MISC | 0x70, /* Timer1 */
729         JME_TIMER2      = JME_MISC | 0x74, /* Timer2 */
730         JME_APMC        = JME_MISC | 0x7C, /* Aggressive Power Mode Control */
731         JME_PCCSRX0     = JME_MISC | 0x80, /* PCC Status of RX0 */
732 };
733
734 /*
735  * TX Control/Status Bits
736  */
737 enum jme_txcs_bits {
738         TXCS_QUEUE7S    = 0x00008000,
739         TXCS_QUEUE6S    = 0x00004000,
740         TXCS_QUEUE5S    = 0x00002000,
741         TXCS_QUEUE4S    = 0x00001000,
742         TXCS_QUEUE3S    = 0x00000800,
743         TXCS_QUEUE2S    = 0x00000400,
744         TXCS_QUEUE1S    = 0x00000200,
745         TXCS_QUEUE0S    = 0x00000100,
746         TXCS_FIFOTH     = 0x000000C0,
747         TXCS_DMASIZE    = 0x00000030,
748         TXCS_BURST      = 0x00000004,
749         TXCS_ENABLE     = 0x00000001,
750 };
751
752 enum jme_txcs_value {
753         TXCS_FIFOTH_16QW        = 0x000000C0,
754         TXCS_FIFOTH_12QW        = 0x00000080,
755         TXCS_FIFOTH_8QW         = 0x00000040,
756         TXCS_FIFOTH_4QW         = 0x00000000,
757
758         TXCS_DMASIZE_64B        = 0x00000000,
759         TXCS_DMASIZE_128B       = 0x00000010,
760         TXCS_DMASIZE_256B       = 0x00000020,
761         TXCS_DMASIZE_512B       = 0x00000030,
762
763         TXCS_SELECT_QUEUE0      = 0x00000000,
764         TXCS_SELECT_QUEUE1      = 0x00010000,
765         TXCS_SELECT_QUEUE2      = 0x00020000,
766         TXCS_SELECT_QUEUE3      = 0x00030000,
767         TXCS_SELECT_QUEUE4      = 0x00040000,
768         TXCS_SELECT_QUEUE5      = 0x00050000,
769         TXCS_SELECT_QUEUE6      = 0x00060000,
770         TXCS_SELECT_QUEUE7      = 0x00070000,
771
772         TXCS_DEFAULT            = TXCS_FIFOTH_4QW |
773                                   TXCS_BURST,
774 };
775
776 #define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */
777
778 /*
779  * TX MAC Control/Status Bits
780  */
781 enum jme_txmcs_bit_masks {
782         TXMCS_IFG2              = 0xC0000000,
783         TXMCS_IFG1              = 0x30000000,
784         TXMCS_TTHOLD            = 0x00000300,
785         TXMCS_FBURST            = 0x00000080,
786         TXMCS_CARRIEREXT        = 0x00000040,
787         TXMCS_DEFER             = 0x00000020,
788         TXMCS_BACKOFF           = 0x00000010,
789         TXMCS_CARRIERSENSE      = 0x00000008,
790         TXMCS_COLLISION         = 0x00000004,
791         TXMCS_CRC               = 0x00000002,
792         TXMCS_PADDING           = 0x00000001,
793 };
794
795 enum jme_txmcs_values {
796         TXMCS_IFG2_6_4          = 0x00000000,
797         TXMCS_IFG2_8_5          = 0x40000000,
798         TXMCS_IFG2_10_6         = 0x80000000,
799         TXMCS_IFG2_12_7         = 0xC0000000,
800
801         TXMCS_IFG1_8_4          = 0x00000000,
802         TXMCS_IFG1_12_6         = 0x10000000,
803         TXMCS_IFG1_16_8         = 0x20000000,
804         TXMCS_IFG1_20_10        = 0x30000000,
805
806         TXMCS_TTHOLD_1_8        = 0x00000000,
807         TXMCS_TTHOLD_1_4        = 0x00000100,
808         TXMCS_TTHOLD_1_2        = 0x00000200,
809         TXMCS_TTHOLD_FULL       = 0x00000300,
810
811         TXMCS_DEFAULT           = TXMCS_IFG2_8_5 |
812                                   TXMCS_IFG1_16_8 |
813                                   TXMCS_TTHOLD_FULL |
814                                   TXMCS_DEFER |
815                                   TXMCS_CRC |
816                                   TXMCS_PADDING,
817 };
818
819 enum jme_txpfc_bits_masks {
820         TXPFC_VLAN_TAG          = 0xFFFF0000,
821         TXPFC_VLAN_EN           = 0x00008000,
822         TXPFC_PF_EN             = 0x00000001,
823 };
824
825 enum jme_txtrhd_bits_masks {
826         TXTRHD_TXPEN            = 0x80000000,
827         TXTRHD_TXP              = 0x7FFFFF00,
828         TXTRHD_TXREN            = 0x00000080,
829         TXTRHD_TXRL             = 0x0000007F,
830 };
831
832 enum jme_txtrhd_shifts {
833         TXTRHD_TXP_SHIFT        = 8,
834         TXTRHD_TXRL_SHIFT       = 0,
835 };
836
837 enum jme_txtrhd_values {
838         TXTRHD_FULLDUPLEX       = 0x00000000,
839         TXTRHD_HALFDUPLEX       = TXTRHD_TXPEN |
840                                   ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) |
841                                   TXTRHD_TXREN |
842                                   ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL),
843 };
844
845 /*
846  * RX Control/Status Bits
847  */
848 enum jme_rxcs_bit_masks {
849         /* FIFO full threshold for transmitting Tx Pause Packet */
850         RXCS_FIFOTHTP   = 0x30000000,
851         /* FIFO threshold for processing next packet */
852         RXCS_FIFOTHNP   = 0x0C000000,
853         RXCS_DMAREQSZ   = 0x03000000, /* DMA Request Size */
854         RXCS_QUEUESEL   = 0x00030000, /* Queue selection */
855         RXCS_RETRYGAP   = 0x0000F000, /* RX Desc full retry gap */
856         RXCS_RETRYCNT   = 0x00000F00, /* RX Desc full retry counter */
857         RXCS_WAKEUP     = 0x00000040, /* Enable receive wakeup packet */
858         RXCS_MAGIC      = 0x00000020, /* Enable receive magic packet */
859         RXCS_SHORT      = 0x00000010, /* Enable receive short packet */
860         RXCS_ABORT      = 0x00000008, /* Enable receive errorr packet */
861         RXCS_QST        = 0x00000004, /* Receive queue start */
862         RXCS_SUSPEND    = 0x00000002,
863         RXCS_ENABLE     = 0x00000001,
864 };
865
866 enum jme_rxcs_values {
867         RXCS_FIFOTHTP_16T       = 0x00000000,
868         RXCS_FIFOTHTP_32T       = 0x10000000,
869         RXCS_FIFOTHTP_64T       = 0x20000000,
870         RXCS_FIFOTHTP_128T      = 0x30000000,
871
872         RXCS_FIFOTHNP_16QW      = 0x00000000,
873         RXCS_FIFOTHNP_32QW      = 0x04000000,
874         RXCS_FIFOTHNP_64QW      = 0x08000000,
875         RXCS_FIFOTHNP_128QW     = 0x0C000000,
876
877         RXCS_DMAREQSZ_16B       = 0x00000000,
878         RXCS_DMAREQSZ_32B       = 0x01000000,
879         RXCS_DMAREQSZ_64B       = 0x02000000,
880         RXCS_DMAREQSZ_128B      = 0x03000000,
881
882         RXCS_QUEUESEL_Q0        = 0x00000000,
883         RXCS_QUEUESEL_Q1        = 0x00010000,
884         RXCS_QUEUESEL_Q2        = 0x00020000,
885         RXCS_QUEUESEL_Q3        = 0x00030000,
886
887         RXCS_RETRYGAP_256ns     = 0x00000000,
888         RXCS_RETRYGAP_512ns     = 0x00001000,
889         RXCS_RETRYGAP_1024ns    = 0x00002000,
890         RXCS_RETRYGAP_2048ns    = 0x00003000,
891         RXCS_RETRYGAP_4096ns    = 0x00004000,
892         RXCS_RETRYGAP_8192ns    = 0x00005000,
893         RXCS_RETRYGAP_16384ns   = 0x00006000,
894         RXCS_RETRYGAP_32768ns   = 0x00007000,
895
896         RXCS_RETRYCNT_0         = 0x00000000,
897         RXCS_RETRYCNT_4         = 0x00000100,
898         RXCS_RETRYCNT_8         = 0x00000200,
899         RXCS_RETRYCNT_12        = 0x00000300,
900         RXCS_RETRYCNT_16        = 0x00000400,
901         RXCS_RETRYCNT_20        = 0x00000500,
902         RXCS_RETRYCNT_24        = 0x00000600,
903         RXCS_RETRYCNT_28        = 0x00000700,
904         RXCS_RETRYCNT_32        = 0x00000800,
905         RXCS_RETRYCNT_36        = 0x00000900,
906         RXCS_RETRYCNT_40        = 0x00000A00,
907         RXCS_RETRYCNT_44        = 0x00000B00,
908         RXCS_RETRYCNT_48        = 0x00000C00,
909         RXCS_RETRYCNT_52        = 0x00000D00,
910         RXCS_RETRYCNT_56        = 0x00000E00,
911         RXCS_RETRYCNT_60        = 0x00000F00,
912
913         RXCS_DEFAULT            = RXCS_FIFOTHTP_128T |
914                                   RXCS_FIFOTHNP_128QW |
915                                   RXCS_DMAREQSZ_128B |
916                                   RXCS_RETRYGAP_256ns |
917                                   RXCS_RETRYCNT_32,
918 };
919
920 #define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */
921
922 /*
923  * RX MAC Control/Status Bits
924  */
925 enum jme_rxmcs_bits {
926         RXMCS_ALLFRAME          = 0x00000800,
927         RXMCS_BRDFRAME          = 0x00000400,
928         RXMCS_MULFRAME          = 0x00000200,
929         RXMCS_UNIFRAME          = 0x00000100,
930         RXMCS_ALLMULFRAME       = 0x00000080,
931         RXMCS_MULFILTERED       = 0x00000040,
932         RXMCS_RXCOLLDEC         = 0x00000020,
933         RXMCS_FLOWCTRL          = 0x00000008,
934         RXMCS_VTAGRM            = 0x00000004,
935         RXMCS_PREPAD            = 0x00000002,
936         RXMCS_CHECKSUM          = 0x00000001,
937
938         RXMCS_DEFAULT           = RXMCS_VTAGRM |
939                                   RXMCS_PREPAD |
940                                   RXMCS_FLOWCTRL |
941                                   RXMCS_CHECKSUM,
942 };
943
944 /*
945  * Wakeup Frame setup interface registers
946  */
947 #define WAKEUP_FRAME_NR 8
948 #define WAKEUP_FRAME_MASK_DWNR  4
949
950 enum jme_wfoi_bit_masks {
951         WFOI_MASK_SEL           = 0x00000070,
952         WFOI_CRC_SEL            = 0x00000008,
953         WFOI_FRAME_SEL          = 0x00000007,
954 };
955
956 enum jme_wfoi_shifts {
957         WFOI_MASK_SHIFT         = 4,
958 };
959
960 /*
961  * SMI Related definitions
962  */
963 enum jme_smi_bit_mask {
964         SMI_DATA_MASK           = 0xFFFF0000,
965         SMI_REG_ADDR_MASK       = 0x0000F800,
966         SMI_PHY_ADDR_MASK       = 0x000007C0,
967         SMI_OP_WRITE            = 0x00000020,
968         /* Set to 1, after req done it'll be cleared to 0 */
969         SMI_OP_REQ              = 0x00000010,
970         SMI_OP_MDIO             = 0x00000008, /* Software assess In/Out */
971         SMI_OP_MDOE             = 0x00000004, /* Software Output Enable */
972         SMI_OP_MDC              = 0x00000002, /* Software CLK Control */
973         SMI_OP_MDEN             = 0x00000001, /* Software access Enable */
974 };
975
976 enum jme_smi_bit_shift {
977         SMI_DATA_SHIFT          = 16,
978         SMI_REG_ADDR_SHIFT      = 11,
979         SMI_PHY_ADDR_SHIFT      = 6,
980 };
981
982 static inline u32 smi_reg_addr(int x)
983 {
984         return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK;
985 }
986
987 static inline u32 smi_phy_addr(int x)
988 {
989         return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK;
990 }
991
992 #define JME_PHY_TIMEOUT 100 /* 100 msec */
993 #define JME_PHY_REG_NR 32
994
995 /*
996  * Global Host Control
997  */
998 enum jme_ghc_bit_mask {
999         GHC_SWRST               = 0x40000000,
1000         GHC_TO_CLK_SRC          = 0x00C00000,
1001         GHC_TXMAC_CLK_SRC       = 0x00300000,
1002         GHC_DPX                 = 0x00000040,
1003         GHC_SPEED               = 0x00000030,
1004         GHC_LINK_POLL           = 0x00000001,
1005 };
1006
1007 enum jme_ghc_speed_val {
1008         GHC_SPEED_10M           = 0x00000010,
1009         GHC_SPEED_100M          = 0x00000020,
1010         GHC_SPEED_1000M         = 0x00000030,
1011 };
1012
1013 enum jme_ghc_to_clk {
1014         GHC_TO_CLK_OFF          = 0x00000000,
1015         GHC_TO_CLK_GPHY         = 0x00400000,
1016         GHC_TO_CLK_PCIE         = 0x00800000,
1017         GHC_TO_CLK_INVALID      = 0x00C00000,
1018 };
1019
1020 enum jme_ghc_txmac_clk {
1021         GHC_TXMAC_CLK_OFF       = 0x00000000,
1022         GHC_TXMAC_CLK_GPHY      = 0x00100000,
1023         GHC_TXMAC_CLK_PCIE      = 0x00200000,
1024         GHC_TXMAC_CLK_INVALID   = 0x00300000,
1025 };
1026
1027 /*
1028  * Power management control and status register
1029  */
1030 enum jme_pmcs_bit_masks {
1031         PMCS_STMASK     = 0xFFFF0000,
1032         PMCS_WF7DET     = 0x80000000,
1033         PMCS_WF6DET     = 0x40000000,
1034         PMCS_WF5DET     = 0x20000000,
1035         PMCS_WF4DET     = 0x10000000,
1036         PMCS_WF3DET     = 0x08000000,
1037         PMCS_WF2DET     = 0x04000000,
1038         PMCS_WF1DET     = 0x02000000,
1039         PMCS_WF0DET     = 0x01000000,
1040         PMCS_LFDET      = 0x00040000,
1041         PMCS_LRDET      = 0x00020000,
1042         PMCS_MFDET      = 0x00010000,
1043         PMCS_ENMASK     = 0x0000FFFF,
1044         PMCS_WF7EN      = 0x00008000,
1045         PMCS_WF6EN      = 0x00004000,
1046         PMCS_WF5EN      = 0x00002000,
1047         PMCS_WF4EN      = 0x00001000,
1048         PMCS_WF3EN      = 0x00000800,
1049         PMCS_WF2EN      = 0x00000400,
1050         PMCS_WF1EN      = 0x00000200,
1051         PMCS_WF0EN      = 0x00000100,
1052         PMCS_LFEN       = 0x00000004,
1053         PMCS_LREN       = 0x00000002,
1054         PMCS_MFEN       = 0x00000001,
1055 };
1056
1057 /*
1058  * New PHY Power Control Register
1059  */
1060 enum jme_phy_pwr_bit_masks {
1061         PHY_PWR_DWN1SEL = 0x01000000, /* Phy_giga.p_PWR_DOWN1_SEL */
1062         PHY_PWR_DWN1SW  = 0x02000000, /* Phy_giga.p_PWR_DOWN1_SW */
1063         PHY_PWR_DWN2    = 0x04000000, /* Phy_giga.p_PWR_DOWN2 */
1064         PHY_PWR_CLKSEL  = 0x08000000, /*
1065                                        * XTL_OUT Clock select
1066                                        * (an internal free-running clock)
1067                                        * 0: xtl_out = phy_giga.A_XTL25_O
1068                                        * 1: xtl_out = phy_giga.PD_OSC
1069                                        */
1070 };
1071
1072 /*
1073  * Giga PHY Status Registers
1074  */
1075 enum jme_phy_link_bit_mask {
1076         PHY_LINK_SPEED_MASK             = 0x0000C000,
1077         PHY_LINK_DUPLEX                 = 0x00002000,
1078         PHY_LINK_SPEEDDPU_RESOLVED      = 0x00000800,
1079         PHY_LINK_UP                     = 0x00000400,
1080         PHY_LINK_AUTONEG_COMPLETE       = 0x00000200,
1081         PHY_LINK_MDI_STAT               = 0x00000040,
1082 };
1083
1084 enum jme_phy_link_speed_val {
1085         PHY_LINK_SPEED_10M              = 0x00000000,
1086         PHY_LINK_SPEED_100M             = 0x00004000,
1087         PHY_LINK_SPEED_1000M            = 0x00008000,
1088 };
1089
1090 #define JME_SPDRSV_TIMEOUT      500     /* 500 us */
1091
1092 /*
1093  * SMB Control and Status
1094  */
1095 enum jme_smbcsr_bit_mask {
1096         SMBCSR_CNACK    = 0x00020000,
1097         SMBCSR_RELOAD   = 0x00010000,
1098         SMBCSR_EEPROMD  = 0x00000020,
1099         SMBCSR_INITDONE = 0x00000010,
1100         SMBCSR_BUSY     = 0x0000000F,
1101 };
1102
1103 enum jme_smbintf_bit_mask {
1104         SMBINTF_HWDATR  = 0xFF000000,
1105         SMBINTF_HWDATW  = 0x00FF0000,
1106         SMBINTF_HWADDR  = 0x0000FF00,
1107         SMBINTF_HWRWN   = 0x00000020,
1108         SMBINTF_HWCMD   = 0x00000010,
1109         SMBINTF_FASTM   = 0x00000008,
1110         SMBINTF_GPIOSCL = 0x00000004,
1111         SMBINTF_GPIOSDA = 0x00000002,
1112         SMBINTF_GPIOEN  = 0x00000001,
1113 };
1114
1115 enum jme_smbintf_vals {
1116         SMBINTF_HWRWN_READ      = 0x00000020,
1117         SMBINTF_HWRWN_WRITE     = 0x00000000,
1118 };
1119
1120 enum jme_smbintf_shifts {
1121         SMBINTF_HWDATR_SHIFT    = 24,
1122         SMBINTF_HWDATW_SHIFT    = 16,
1123         SMBINTF_HWADDR_SHIFT    = 8,
1124 };
1125
1126 #define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */
1127 #define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */
1128 #define JME_SMB_LEN 256
1129 #define JME_EEPROM_MAGIC 0x250
1130
1131 /*
1132  * Timer Control/Status Register
1133  */
1134 enum jme_tmcsr_bit_masks {
1135         TMCSR_SWIT      = 0x80000000,
1136         TMCSR_EN        = 0x01000000,
1137         TMCSR_CNT       = 0x00FFFFFF,
1138 };
1139
1140 /*
1141  * General Purpose REG-0
1142  */
1143 enum jme_gpreg0_masks {
1144         GPREG0_DISSH            = 0xFF000000,
1145         GPREG0_PCIRLMT          = 0x00300000,
1146         GPREG0_PCCNOMUTCLR      = 0x00040000,
1147         GPREG0_LNKINTPOLL       = 0x00001000,
1148         GPREG0_PCCTMR           = 0x00000300,
1149         GPREG0_PHYADDR          = 0x0000001F,
1150 };
1151
1152 enum jme_gpreg0_vals {
1153         GPREG0_DISSH_DW7        = 0x80000000,
1154         GPREG0_DISSH_DW6        = 0x40000000,
1155         GPREG0_DISSH_DW5        = 0x20000000,
1156         GPREG0_DISSH_DW4        = 0x10000000,
1157         GPREG0_DISSH_DW3        = 0x08000000,
1158         GPREG0_DISSH_DW2        = 0x04000000,
1159         GPREG0_DISSH_DW1        = 0x02000000,
1160         GPREG0_DISSH_DW0        = 0x01000000,
1161         GPREG0_DISSH_ALL        = 0xFF000000,
1162
1163         GPREG0_PCIRLMT_8        = 0x00000000,
1164         GPREG0_PCIRLMT_6        = 0x00100000,
1165         GPREG0_PCIRLMT_5        = 0x00200000,
1166         GPREG0_PCIRLMT_4        = 0x00300000,
1167
1168         GPREG0_PCCTMR_16ns      = 0x00000000,
1169         GPREG0_PCCTMR_256ns     = 0x00000100,
1170         GPREG0_PCCTMR_1us       = 0x00000200,
1171         GPREG0_PCCTMR_1ms       = 0x00000300,
1172
1173         GPREG0_PHYADDR_1        = 0x00000001,
1174
1175         GPREG0_DEFAULT          = GPREG0_PCIRLMT_4 |
1176                                   GPREG0_PCCTMR_1us |
1177                                   GPREG0_PHYADDR_1,
1178 };
1179
1180 /*
1181  * General Purpose REG-1
1182  */
1183 enum jme_gpreg1_bit_masks {
1184         GPREG1_RXCLKOFF         = 0x04000000,
1185         GPREG1_PCREQN           = 0x00020000,
1186         GPREG1_HALFMODEPATCH    = 0x00000040, /* For Chip revision 0x11 only */
1187         GPREG1_RSSPATCH         = 0x00000020, /* For Chip revision 0x11 only */
1188         GPREG1_INTRDELAYUNIT    = 0x00000018,
1189         GPREG1_INTRDELAYENABLE  = 0x00000007,
1190 };
1191
1192 enum jme_gpreg1_vals {
1193         GPREG1_INTDLYUNIT_16NS  = 0x00000000,
1194         GPREG1_INTDLYUNIT_256NS = 0x00000008,
1195         GPREG1_INTDLYUNIT_1US   = 0x00000010,
1196         GPREG1_INTDLYUNIT_16US  = 0x00000018,
1197
1198         GPREG1_INTDLYEN_1U      = 0x00000001,
1199         GPREG1_INTDLYEN_2U      = 0x00000002,
1200         GPREG1_INTDLYEN_3U      = 0x00000003,
1201         GPREG1_INTDLYEN_4U      = 0x00000004,
1202         GPREG1_INTDLYEN_5U      = 0x00000005,
1203         GPREG1_INTDLYEN_6U      = 0x00000006,
1204         GPREG1_INTDLYEN_7U      = 0x00000007,
1205
1206         GPREG1_DEFAULT          = GPREG1_PCREQN,
1207 };
1208
1209 /*
1210  * Interrupt Status Bits
1211  */
1212 enum jme_interrupt_bits {
1213         INTR_SWINTR     = 0x80000000,
1214         INTR_TMINTR     = 0x40000000,
1215         INTR_LINKCH     = 0x20000000,
1216         INTR_PAUSERCV   = 0x10000000,
1217         INTR_MAGICRCV   = 0x08000000,
1218         INTR_WAKERCV    = 0x04000000,
1219         INTR_PCCRX0TO   = 0x02000000,
1220         INTR_PCCRX1TO   = 0x01000000,
1221         INTR_PCCRX2TO   = 0x00800000,
1222         INTR_PCCRX3TO   = 0x00400000,
1223         INTR_PCCTXTO    = 0x00200000,
1224         INTR_PCCRX0     = 0x00100000,
1225         INTR_PCCRX1     = 0x00080000,
1226         INTR_PCCRX2     = 0x00040000,
1227         INTR_PCCRX3     = 0x00020000,
1228         INTR_PCCTX      = 0x00010000,
1229         INTR_RX3EMP     = 0x00008000,
1230         INTR_RX2EMP     = 0x00004000,
1231         INTR_RX1EMP     = 0x00002000,
1232         INTR_RX0EMP     = 0x00001000,
1233         INTR_RX3        = 0x00000800,
1234         INTR_RX2        = 0x00000400,
1235         INTR_RX1        = 0x00000200,
1236         INTR_RX0        = 0x00000100,
1237         INTR_TX7        = 0x00000080,
1238         INTR_TX6        = 0x00000040,
1239         INTR_TX5        = 0x00000020,
1240         INTR_TX4        = 0x00000010,
1241         INTR_TX3        = 0x00000008,
1242         INTR_TX2        = 0x00000004,
1243         INTR_TX1        = 0x00000002,
1244         INTR_TX0        = 0x00000001,
1245 };
1246
1247 static const u32 INTR_ENABLE = INTR_SWINTR |
1248                                  INTR_TMINTR |
1249                                  INTR_LINKCH |
1250                                  INTR_PCCRX0TO |
1251                                  INTR_PCCRX0 |
1252                                  INTR_PCCTXTO |
1253                                  INTR_PCCTX |
1254                                  INTR_RX0EMP;
1255
1256 /*
1257  * PCC Control Registers
1258  */
1259 enum jme_pccrx_masks {
1260         PCCRXTO_MASK    = 0xFFFF0000,
1261         PCCRX_MASK      = 0x0000FF00,
1262 };
1263
1264 enum jme_pcctx_masks {
1265         PCCTXTO_MASK    = 0xFFFF0000,
1266         PCCTX_MASK      = 0x0000FF00,
1267         PCCTX_QS_MASK   = 0x000000FF,
1268 };
1269
1270 enum jme_pccrx_shifts {
1271         PCCRXTO_SHIFT   = 16,
1272         PCCRX_SHIFT     = 8,
1273 };
1274
1275 enum jme_pcctx_shifts {
1276         PCCTXTO_SHIFT   = 16,
1277         PCCTX_SHIFT     = 8,
1278 };
1279
1280 enum jme_pcctx_bits {
1281         PCCTXQ0_EN      = 0x00000001,
1282         PCCTXQ1_EN      = 0x00000002,
1283         PCCTXQ2_EN      = 0x00000004,
1284         PCCTXQ3_EN      = 0x00000008,
1285         PCCTXQ4_EN      = 0x00000010,
1286         PCCTXQ5_EN      = 0x00000020,
1287         PCCTXQ6_EN      = 0x00000040,
1288         PCCTXQ7_EN      = 0x00000080,
1289 };
1290
1291 /*
1292  * Chip Mode Register
1293  */
1294 enum jme_chipmode_bit_masks {
1295         CM_FPGAVER_MASK         = 0xFFFF0000,
1296         CM_CHIPREV_MASK         = 0x0000FF00,
1297         CM_CHIPMODE_MASK        = 0x0000000F,
1298 };
1299
1300 enum jme_chipmode_shifts {
1301         CM_FPGAVER_SHIFT        = 16,
1302         CM_CHIPREV_SHIFT        = 8,
1303 };
1304
1305 /*
1306  * Aggressive Power Mode Control
1307  */
1308 enum jme_apmc_bits {
1309         JME_APMC_PCIE_SD_EN     = 0x40000000,
1310         JME_APMC_PSEUDO_HP_EN   = 0x20000000,
1311         JME_APMC_EPIEN          = 0x04000000,
1312         JME_APMC_EPIEN_CTRL     = 0x03000000,
1313 };
1314
1315 enum jme_apmc_values {
1316         JME_APMC_EPIEN_CTRL_EN  = 0x02000000,
1317         JME_APMC_EPIEN_CTRL_DIS = 0x01000000,
1318 };
1319
1320 #define APMC_PHP_SHUTDOWN_DELAY (10 * 1000 * 1000)
1321
1322 #ifdef REG_DEBUG
1323 static char *MAC_REG_NAME[] = {
1324         "JME_TXCS",      "JME_TXDBA_LO",  "JME_TXDBA_HI", "JME_TXQDC",
1325         "JME_TXNDA",     "JME_TXMCS",     "JME_TXPFC",    "JME_TXTRHD",
1326         "JME_RXCS",      "JME_RXDBA_LO",  "JME_RXDBA_HI", "JME_RXQDC",
1327         "JME_RXNDA",     "JME_RXMCS",     "JME_RXUMA_LO", "JME_RXUMA_HI",
1328         "JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP",    "JME_WFOI",
1329         "JME_SMI",       "JME_GHC",       "UNKNOWN",      "UNKNOWN",
1330         "JME_PMCS"};
1331
1332 static char *PE_REG_NAME[] = {
1333         "UNKNOWN",      "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1334         "UNKNOWN",      "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1335         "UNKNOWN",      "UNKNOWN",     "JME_PHY_CS", "UNKNOWN",
1336         "JME_PHY_LINK", "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1337         "JME_SMBCSR",   "JME_SMBINTF"};
1338
1339 static char *MISC_REG_NAME[] = {
1340         "JME_TMCSR",  "JME_GPIO",     "JME_GPREG0",  "JME_GPREG1",
1341         "JME_IEVE",   "JME_IREQ",     "JME_IENS",    "JME_IENC",
1342         "JME_PCCRX0", "JME_PCCRX1",   "JME_PCCRX2",  "JME_PCCRX3",
1343         "JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO",
1344         "UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1345         "UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1346         "UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1347         "JME_TIMER1", "JME_TIMER2",   "UNKNOWN",     "JME_APMC",
1348         "JME_PCCSRX0"};
1349
1350 static inline void reg_dbg(const struct jme_adapter *jme,
1351                 const char *msg, u32 val, u32 reg)
1352 {
1353         const char *regname;
1354         switch (reg & 0xF00) {
1355         case 0x000:
1356                 regname = MAC_REG_NAME[(reg & 0xFF) >> 2];
1357                 break;
1358         case 0x400:
1359                 regname = PE_REG_NAME[(reg & 0xFF) >> 2];
1360                 break;
1361         case 0x800:
1362                 regname = MISC_REG_NAME[(reg & 0xFF) >> 2];
1363                 break;
1364         default:
1365                 regname = PE_REG_NAME[0];
1366         }
1367         printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name,
1368                         msg, val, regname);
1369 }
1370 #else
1371 static inline void reg_dbg(const struct jme_adapter *jme,
1372                 const char *msg, u32 val, u32 reg) {}
1373 #endif
1374
1375 /*
1376  * Read/Write MMaped I/O Registers
1377  */
1378 static inline u32 jread32(struct jme_adapter *jme, u32 reg)
1379 {
1380         return readl(jme->regs + reg);
1381 }
1382
1383 static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val)
1384 {
1385         reg_dbg(jme, "REG WRITE", val, reg);
1386         writel(val, jme->regs + reg);
1387         reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1388 }
1389
1390 static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val)
1391 {
1392         /*
1393          * Read after write should cause flush
1394          */
1395         reg_dbg(jme, "REG WRITE FLUSH", val, reg);
1396         writel(val, jme->regs + reg);
1397         readl(jme->regs + reg);
1398         reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1399 }
1400
1401 /*
1402  * PHY Regs
1403  */
1404 enum jme_phy_reg17_bit_masks {
1405         PREG17_SPEED            = 0xC000,
1406         PREG17_DUPLEX           = 0x2000,
1407         PREG17_SPDRSV           = 0x0800,
1408         PREG17_LNKUP            = 0x0400,
1409         PREG17_MDI              = 0x0040,
1410 };
1411
1412 enum jme_phy_reg17_vals {
1413         PREG17_SPEED_10M        = 0x0000,
1414         PREG17_SPEED_100M       = 0x4000,
1415         PREG17_SPEED_1000M      = 0x8000,
1416 };
1417
1418 #define BMSR_ANCOMP               0x0020
1419
1420 /*
1421  * Workaround
1422  */
1423 static inline int is_buggy250(unsigned short device, u8 chiprev)
1424 {
1425         return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11;
1426 }
1427
1428 static inline int new_phy_power_ctrl(u8 chip_main_rev)
1429 {
1430         return chip_main_rev >= 5;
1431 }
1432
1433 /*
1434  * Function prototypes
1435  */
1436 static int jme_set_settings(struct net_device *netdev,
1437                                 struct ethtool_cmd *ecmd);
1438 static void jme_set_unicastaddr(struct net_device *netdev);
1439 static void jme_set_multi(struct net_device *netdev);
1440
1441 #endif
1442