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