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  *
   7  * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  *
  22  */
  23
  24 #ifndef __JME_H_INCLUDED__
  25 #define __JME_H_INCLUDED__
  26
  27 #define DRV_NAME        "jme"
  28 #define DRV_VERSION     "1.0.6-jmmod"
  29 #define PFX             DRV_NAME ": "
  30
  31 #define PCI_DEVICE_ID_JMICRON_JMC250    0x0250
  32 #define PCI_DEVICE_ID_JMICRON_JMC260    0x0260
  33
  34 /*
  35  * Message related definitions
  36  */
  37 #define JME_DEF_MSG_ENABLE \
  38         (NETIF_MSG_PROBE | \
  39         NETIF_MSG_LINK | \
  40         NETIF_MSG_RX_ERR | \
  41         NETIF_MSG_TX_ERR | \
  42         NETIF_MSG_HW)
  43
  44 #define jeprintk(pdev, fmt, args...) \
  45         printk(KERN_ERR PFX fmt, ## args)
  46
  47 #ifdef TX_DEBUG
  48 #define tx_dbg(priv, fmt, args...)                                      \
  49         printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args)
  50 #else
  51 #define tx_dbg(priv, fmt, args...)                                      \
  52 do {                                                                    \
  53         if (0)                                                          \
  54                 printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args); \
  55 } while (0)
  56 #endif
  57
  58 #include <linux/version.h>
  59 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33)
  60 #define jme_msg(msglvl, type, priv, fmt, args...) \
  61         if (netif_msg_##type(priv)) \
  62                 printk(msglvl "%s: " fmt, (priv)->dev->name, ## args)
  63
  64 #define msg_probe(priv, fmt, args...) \
  65         jme_msg(KERN_INFO, probe, priv, fmt, ## args)
  66
  67 #define msg_link(priv, fmt, args...) \
  68         jme_msg(KERN_INFO, link, priv, fmt, ## args)
  69
  70 #define msg_intr(priv, fmt, args...) \
  71         jme_msg(KERN_INFO, intr, priv, fmt, ## args)
  72
  73 #define msg_rx_err(priv, fmt, args...) \
  74         jme_msg(KERN_ERR, rx_err, priv, fmt, ## args)
  75
  76 #define msg_rx_status(priv, fmt, args...) \
  77         jme_msg(KERN_INFO, rx_status, priv, fmt, ## args)
  78
  79 #define msg_tx_err(priv, fmt, args...) \
  80         jme_msg(KERN_ERR, tx_err, priv, fmt, ## args)
  81
  82 #define msg_tx_done(priv, fmt, args...) \
  83         jme_msg(KERN_INFO, tx_done, priv, fmt, ## args)
  84
  85 #define msg_tx_queued(priv, fmt, args...) \
  86         jme_msg(KERN_INFO, tx_queued, priv, fmt, ## args)
  87
  88 #define msg_hw(priv, fmt, args...) \
  89         jme_msg(KERN_ERR, hw, priv, fmt, ## args)
  90 #endif
  91
  92 /*
  93  * Extra PCI Configuration space interface
  94  */
  95 #define PCI_DCSR_MRRS           0x59
  96 #define PCI_DCSR_MRRS_MASK      0x70
  97
  98 enum pci_dcsr_mrrs_vals {
  99         MRRS_128B       = 0x00,
 100         MRRS_256B       = 0x10,
 101         MRRS_512B       = 0x20,
 102         MRRS_1024B      = 0x30,
 103         MRRS_2048B      = 0x40,
 104         MRRS_4096B      = 0x50,
 105 };
 106
 107 #define PCI_SPI                 0xB0
 108
 109 enum pci_spi_bits {
 110         SPI_EN          = 0x10,
 111         SPI_MISO        = 0x08,
 112         SPI_MOSI        = 0x04,
 113         SPI_SCLK        = 0x02,
 114         SPI_CS          = 0x01,
 115 };
 116
 117 struct jme_spi_op {
 118         void __user *uwbuf;
 119         void __user *urbuf;
 120         __u8    wn;     /* Number of write actions */
 121         __u8    rn;     /* Number of read actions */
 122         __u8    bitn;   /* Number of bits per action */
 123         __u8    spd;    /* The maxim acceptable speed of controller, in MHz.*/
 124         __u8    mode;   /* CPOL, CPHA, and Duplex mode of SPI */
 125
 126         /* Internal use only */
 127         u8      *kwbuf;
 128         u8      *krbuf;
 129         u8      sr;
 130         u16     halfclk; /* Half of clock cycle calculated from spd, in ns */
 131 };
 132
 133 enum jme_spi_op_bits {
 134         SPI_MODE_CPHA   = 0x01,
 135         SPI_MODE_CPOL   = 0x02,
 136         SPI_MODE_DUP    = 0x80,
 137 };
 138
 139 #define HALF_US 500     /* 500 ns */
 140 #define JMESPIIOCTL     SIOCDEVPRIVATE
 141
 142 /*
 143  * Dynamic(adaptive)/Static PCC values
 144  */
 145 enum dynamic_pcc_values {
 146         PCC_OFF         = 0,
 147         PCC_P1          = 1,
 148         PCC_P2          = 2,
 149         PCC_P3          = 3,
 150
 151         PCC_OFF_TO      = 0,
 152         PCC_P1_TO       = 1,
 153         PCC_P2_TO       = 64,
 154         PCC_P3_TO       = 128,
 155
 156         PCC_OFF_CNT     = 0,
 157         PCC_P1_CNT      = 1,
 158         PCC_P2_CNT      = 16,
 159         PCC_P3_CNT      = 32,
 160 };
 161 struct dynpcc_info {
 162         unsigned long   last_bytes;
 163         unsigned long   last_pkts;
 164         unsigned long   intr_cnt;
 165         unsigned char   cur;
 166         unsigned char   attempt;
 167         unsigned char   cnt;
 168 };
 169 #define PCC_INTERVAL_US 100000
 170 #define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US))
 171 #define PCC_P3_THRESHOLD (2 * 1024 * 1024)
 172 #define PCC_P2_THRESHOLD 800
 173 #define PCC_INTR_THRESHOLD 800
 174 #define PCC_TX_TO 1000
 175 #define PCC_TX_CNT 8
 176
 177 /*
 178  * TX/RX Descriptors
 179  *
 180  * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024
 181  */
 182 #define RING_DESC_ALIGN         16      /* Descriptor alignment */
 183 #define TX_DESC_SIZE            16
 184 #define TX_RING_NR              8
 185 #define TX_RING_ALLOC_SIZE(s)   ((s * TX_DESC_SIZE) + RING_DESC_ALIGN)
 186
 187 struct txdesc {
 188         union {
 189                 __u8    all[16];
 190                 __le32  dw[4];
 191                 struct {
 192                         /* DW0 */
 193                         __le16  vlan;
 194                         __u8    rsv1;
 195                         __u8    flags;
 196
 197                         /* DW1 */
 198                         __le16  datalen;
 199                         __le16  mss;
 200
 201                         /* DW2 */
 202                         __le16  pktsize;
 203                         __le16  rsv2;
 204
 205                         /* DW3 */
 206                         __le32  bufaddr;
 207                 } desc1;
 208                 struct {
 209                         /* DW0 */
 210                         __le16  rsv1;
 211                         __u8    rsv2;
 212                         __u8    flags;
 213
 214                         /* DW1 */
 215                         __le16  datalen;
 216                         __le16  rsv3;
 217
 218                         /* DW2 */
 219                         __le32  bufaddrh;
 220
 221                         /* DW3 */
 222                         __le32  bufaddrl;
 223                 } desc2;
 224                 struct {
 225                         /* DW0 */
 226                         __u8    ehdrsz;
 227                         __u8    rsv1;
 228                         __u8    rsv2;
 229                         __u8    flags;
 230
 231                         /* DW1 */
 232                         __le16  trycnt;
 233                         __le16  segcnt;
 234
 235                         /* DW2 */
 236                         __le16  pktsz;
 237                         __le16  rsv3;
 238
 239                         /* DW3 */
 240                         __le32  bufaddrl;
 241                 } descwb;
 242         };
 243 };
 244
 245 enum jme_txdesc_flags_bits {
 246         TXFLAG_OWN      = 0x80,
 247         TXFLAG_INT      = 0x40,
 248         TXFLAG_64BIT    = 0x20,
 249         TXFLAG_TCPCS    = 0x10,
 250         TXFLAG_UDPCS    = 0x08,
 251         TXFLAG_IPCS     = 0x04,
 252         TXFLAG_LSEN     = 0x02,
 253         TXFLAG_TAGON    = 0x01,
 254 };
 255
 256 #define TXDESC_MSS_SHIFT        2
 257 enum jme_txwbdesc_flags_bits {
 258         TXWBFLAG_OWN    = 0x80,
 259         TXWBFLAG_INT    = 0x40,
 260         TXWBFLAG_TMOUT  = 0x20,
 261         TXWBFLAG_TRYOUT = 0x10,
 262         TXWBFLAG_COL    = 0x08,
 263
 264         TXWBFLAG_ALLERR = TXWBFLAG_TMOUT |
 265                           TXWBFLAG_TRYOUT |
 266                           TXWBFLAG_COL,
 267 };
 268
 269 #define RX_DESC_SIZE            16
 270 #define RX_RING_NR              4
 271 #define RX_RING_ALLOC_SIZE(s)   ((s * RX_DESC_SIZE) + RING_DESC_ALIGN)
 272 #define RX_BUF_DMA_ALIGN        8
 273 #define RX_PREPAD_SIZE          10
 274 #define ETH_CRC_LEN             2
 275 #define RX_VLANHDR_LEN          2
 276 #define RX_EXTRA_LEN            (RX_PREPAD_SIZE + \
 277                                 ETH_HLEN + \
 278                                 ETH_CRC_LEN + \
 279                                 RX_VLANHDR_LEN + \
 280                                 RX_BUF_DMA_ALIGN)
 281
 282 struct rxdesc {
 283         union {
 284                 __u8    all[16];
 285                 __le32  dw[4];
 286                 struct {
 287                         /* DW0 */
 288                         __le16  rsv2;
 289                         __u8    rsv1;
 290                         __u8    flags;
 291
 292                         /* DW1 */
 293                         __le16  datalen;
 294                         __le16  wbcpl;
 295
 296                         /* DW2 */
 297                         __le32  bufaddrh;
 298
 299                         /* DW3 */
 300                         __le32  bufaddrl;
 301                 } desc1;
 302                 struct {
 303                         /* DW0 */
 304                         __le16  vlan;
 305                         __le16  flags;
 306
 307                         /* DW1 */
 308                         __le16  framesize;
 309                         __u8    errstat;
 310                         __u8    desccnt;
 311
 312                         /* DW2 */
 313                         __le32  rsshash;
 314
 315                         /* DW3 */
 316                         __u8    hashfun;
 317                         __u8    hashtype;
 318                         __le16  resrv;
 319                 } descwb;
 320         };
 321 };
 322
 323 enum jme_rxdesc_flags_bits {
 324         RXFLAG_OWN      = 0x80,
 325         RXFLAG_INT      = 0x40,
 326         RXFLAG_64BIT    = 0x20,
 327 };
 328
 329 enum jme_rxwbdesc_flags_bits {
 330         RXWBFLAG_OWN            = 0x8000,
 331         RXWBFLAG_INT            = 0x4000,
 332         RXWBFLAG_MF             = 0x2000,
 333         RXWBFLAG_64BIT          = 0x2000,
 334         RXWBFLAG_TCPON          = 0x1000,
 335         RXWBFLAG_UDPON          = 0x0800,
 336         RXWBFLAG_IPCS           = 0x0400,
 337         RXWBFLAG_TCPCS          = 0x0200,
 338         RXWBFLAG_UDPCS          = 0x0100,
 339         RXWBFLAG_TAGON          = 0x0080,
 340         RXWBFLAG_IPV4           = 0x0040,
 341         RXWBFLAG_IPV6           = 0x0020,
 342         RXWBFLAG_PAUSE          = 0x0010,
 343         RXWBFLAG_MAGIC          = 0x0008,
 344         RXWBFLAG_WAKEUP         = 0x0004,
 345         RXWBFLAG_DEST           = 0x0003,
 346         RXWBFLAG_DEST_UNI       = 0x0001,
 347         RXWBFLAG_DEST_MUL       = 0x0002,
 348         RXWBFLAG_DEST_BRO       = 0x0003,
 349 };
 350
 351 enum jme_rxwbdesc_desccnt_mask {
 352         RXWBDCNT_WBCPL  = 0x80,
 353         RXWBDCNT_DCNT   = 0x7F,
 354 };
 355
 356 enum jme_rxwbdesc_errstat_bits {
 357         RXWBERR_LIMIT   = 0x80,
 358         RXWBERR_MIIER   = 0x40,
 359         RXWBERR_NIBON   = 0x20,
 360         RXWBERR_COLON   = 0x10,
 361         RXWBERR_ABORT   = 0x08,
 362         RXWBERR_SHORT   = 0x04,
 363         RXWBERR_OVERUN  = 0x02,
 364         RXWBERR_CRCERR  = 0x01,
 365         RXWBERR_ALLERR  = 0xFF,
 366 };
 367
 368 /*
 369  * Buffer information corresponding to ring descriptors.
 370  */
 371 struct jme_buffer_info {
 372         struct sk_buff *skb;
 373         dma_addr_t mapping;
 374         int len;
 375         int nr_desc;
 376         unsigned long start_xmit;
 377 };
 378
 379 /*
 380  * The structure holding buffer information and ring descriptors all together.
 381  */
 382 struct jme_ring {
 383         void *alloc;            /* pointer to allocated memory */
 384         void *desc;             /* pointer to ring memory  */
 385         dma_addr_t dmaalloc;    /* phys address of ring alloc */
 386         dma_addr_t dma;         /* phys address for ring dma */
 387
 388         /* Buffer information corresponding to each descriptor */
 389         struct jme_buffer_info *bufinf;
 390
 391         int next_to_use;
 392         atomic_t next_to_clean;
 393         atomic_t nr_free;
 394 };
 395
 396 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18)
 397 #define false 0
 398 #define true 0
 399 #define netdev_alloc_skb(dev, len) dev_alloc_skb(len)
 400 #define PCI_VENDOR_ID_JMICRON           0x197B
 401 #endif
 402
 403 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,19)
 404 #define PCI_VDEVICE(vendor, device)             \
 405         PCI_VENDOR_ID_##vendor, (device),       \
 406         PCI_ANY_ID, PCI_ANY_ID, 0, 0
 407 #endif
 408
 409 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21)
 410 #define NET_STAT(priv) priv->stats
 411 #define NETDEV_GET_STATS(netdev, fun_ptr) \
 412         netdev->get_stats = fun_ptr
 413 #define DECLARE_NET_DEVICE_STATS struct net_device_stats stats;
 414 static inline struct iphdr *ip_hdr(const struct sk_buff *skb)
 415 {
 416         return skb->nh.iph;
 417 }
 418
 419 static inline struct ipv6hdr *ipv6_hdr(const struct sk_buff *skb)
 420 {
 421         return skb->nh.ipv6h;
 422 }
 423
 424 static inline struct tcphdr *tcp_hdr(const struct sk_buff *skb)
 425 {
 426         return skb->h.th;
 427 }
 428 #else
 429 #define NET_STAT(priv) (priv->dev->stats)
 430 #define NETDEV_GET_STATS(netdev, fun_ptr)
 431 #define DECLARE_NET_DEVICE_STATS
 432 #endif
 433
 434 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
 435 #define DECLARE_NAPI_STRUCT
 436 #define NETIF_NAPI_SET(dev, napis, pollfn, q) \
 437         dev->poll = pollfn; \
 438         dev->weight = q;
 439 #define JME_NAPI_HOLDER(holder) struct net_device *holder
 440 #define JME_NAPI_WEIGHT(w) int *w
 441 #define JME_NAPI_WEIGHT_VAL(w) *w
 442 #define JME_NAPI_WEIGHT_SET(w, r) *w = r
 443 #define DECLARE_NETDEV struct net_device *netdev = jme->dev;
 444 #define JME_RX_COMPLETE(dev, napis) netif_rx_complete(dev)
 445 #define JME_NAPI_ENABLE(priv) netif_poll_enable(priv->dev);
 446 #define JME_NAPI_DISABLE(priv) netif_poll_disable(priv->dev);
 447 #define JME_RX_SCHEDULE_PREP(priv) \
 448         netif_rx_schedule_prep(priv->dev)
 449 #define JME_RX_SCHEDULE(priv) \
 450         __netif_rx_schedule(priv->dev);
 451 #else
 452 #define DECLARE_NAPI_STRUCT struct napi_struct napi;
 453 #define NETIF_NAPI_SET(dev, napis, pollfn, q) \
 454         netif_napi_add(dev, napis, pollfn, q);
 455 #define JME_NAPI_HOLDER(holder) struct napi_struct *holder
 456 #define JME_NAPI_WEIGHT(w) int w
 457 #define JME_NAPI_WEIGHT_VAL(w) w
 458 #define JME_NAPI_WEIGHT_SET(w, r)
 459 #define DECLARE_NETDEV
 460 #define JME_RX_COMPLETE(dev, napis) napi_complete(napis)
 461 #define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi);
 462 #define JME_NAPI_DISABLE(priv) \
 463         if (!napi_disable_pending(&priv->napi)) \
 464                 napi_disable(&priv->napi);
 465 #define JME_RX_SCHEDULE_PREP(priv) \
 466         napi_schedule_prep(&priv->napi)
 467 #define JME_RX_SCHEDULE(priv) \
 468         __napi_schedule(&priv->napi);
 469 #endif
 470
 471 /*
 472  * Jmac Adapter Private data
 473  */
 474 struct jme_adapter {
 475         struct pci_dev          *pdev;
 476         struct net_device       *dev;
 477         void __iomem            *regs;
 478         struct mii_if_info      mii_if;
 479         struct jme_ring         rxring[RX_RING_NR];
 480         struct jme_ring         txring[TX_RING_NR];
 481         spinlock_t              phy_lock;
 482         spinlock_t              macaddr_lock;
 483         spinlock_t              rxmcs_lock;
 484         spinlock_t              vlgrp_lock;
 485         struct tasklet_struct   rxempty_task;
 486         struct tasklet_struct   rxclean_task;
 487         struct tasklet_struct   txclean_task;
 488         struct tasklet_struct   linkch_task;
 489         struct tasklet_struct   pcc_task;
 490         unsigned long           flags;
 491         u32                     reg_txcs;
 492         u32                     reg_txpfc;
 493         u32                     reg_rxcs;
 494         u32                     reg_rxmcs;
 495         u32                     reg_ghc;
 496         u32                     reg_pmcs;
 497         u32                     phylink;
 498         u32                     tx_ring_size;
 499         u32                     tx_ring_mask;
 500         u32                     tx_wake_threshold;
 501         u32                     rx_ring_size;
 502         u32                     rx_ring_mask;
 503         u8                      mrrs;
 504         unsigned int            fpgaver;
 505         unsigned int            chiprev;
 506         u8                      rev;
 507         u32                     msg_enable;
 508         struct ethtool_cmd      old_ecmd;
 509         unsigned int            old_mtu;
 510         struct vlan_group       *vlgrp;
 511         struct dynpcc_info      dpi;
 512         atomic_t                intr_sem;
 513         atomic_t                link_changing;
 514         atomic_t                tx_cleaning;
 515         atomic_t                rx_cleaning;
 516         atomic_t                rx_empty;
 517         int                     (*jme_rx)(struct sk_buff *skb);
 518         int                     (*jme_vlan_rx)(struct sk_buff *skb,
 519                                           struct vlan_group *grp,
 520                                           unsigned short vlan_tag);
 521         DECLARE_NAPI_STRUCT
 522         DECLARE_NET_DEVICE_STATS
 523 };
 524
 525 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21)
 526 static struct net_device_stats *
 527 jme_get_stats(struct net_device *netdev)
 528 {
 529         struct jme_adapter *jme = netdev_priv(netdev);
 530         return &jme->stats;
 531 }
 532 #endif
 533
 534 enum jme_flags_bits {
 535         JME_FLAG_MSI            = 1,
 536         JME_FLAG_SSET           = 2,
 537         JME_FLAG_TXCSUM         = 3,
 538         JME_FLAG_TSO            = 4,
 539         JME_FLAG_POLL           = 5,
 540         JME_FLAG_SHUTDOWN       = 6,
 541 };
 542
 543 #define TX_TIMEOUT              (5 * HZ)
 544 #define JME_REG_LEN             0x500
 545 #define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216
 546
 547 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
 548 static inline struct jme_adapter*
 549 jme_napi_priv(struct net_device *holder)
 550 {
 551         struct jme_adapter *jme;
 552         jme = netdev_priv(holder);
 553         return jme;
 554 }
 555 #else
 556 static inline struct jme_adapter*
 557 jme_napi_priv(struct napi_struct *napi)
 558 {
 559         struct jme_adapter *jme;
 560         jme = container_of(napi, struct jme_adapter, napi);
 561         return jme;
 562 }
 563 #endif
 564
 565 /*
 566  * MMaped I/O Resters
 567  */
 568 enum jme_iomap_offsets {
 569         JME_MAC         = 0x0000,
 570         JME_PHY         = 0x0400,
 571         JME_MISC        = 0x0800,
 572         JME_RSS         = 0x0C00,
 573 };
 574
 575 enum jme_iomap_lens {
 576         JME_MAC_LEN     = 0x80,
 577         JME_PHY_LEN     = 0x58,
 578         JME_MISC_LEN    = 0x98,
 579         JME_RSS_LEN     = 0xFF,
 580 };
 581
 582 enum jme_iomap_regs {
 583         JME_TXCS        = JME_MAC | 0x00, /* Transmit Control and Status */
 584         JME_TXDBA_LO    = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */
 585         JME_TXDBA_HI    = JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */
 586         JME_TXQDC       = JME_MAC | 0x0C, /* Transmit Queue Desc Count */
 587         JME_TXNDA       = JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */
 588         JME_TXMCS       = JME_MAC | 0x14, /* Transmit MAC Control Status */
 589         JME_TXPFC       = JME_MAC | 0x18, /* Transmit Pause Frame Control */
 590         JME_TXTRHD      = JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */
 591
 592         JME_RXCS        = JME_MAC | 0x20, /* Receive Control and Status */
 593         JME_RXDBA_LO    = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */
 594         JME_RXDBA_HI    = JME_MAC | 0x28, /* Receive Queue Desc Base Addr */
 595         JME_RXQDC       = JME_MAC | 0x2C, /* Receive Queue Desc Count */
 596         JME_RXNDA       = JME_MAC | 0x30, /* Receive Queue Next Desc Addr */
 597         JME_RXMCS       = JME_MAC | 0x34, /* Receive MAC Control Status */
 598         JME_RXUMA_LO    = JME_MAC | 0x38, /* Receive Unicast MAC Address */
 599         JME_RXUMA_HI    = JME_MAC | 0x3C, /* Receive Unicast MAC Address */
 600         JME_RXMCHT_LO   = JME_MAC | 0x40, /* Recv Multicast Addr HashTable */
 601         JME_RXMCHT_HI   = JME_MAC | 0x44, /* Recv Multicast Addr HashTable */
 602         JME_WFODP       = JME_MAC | 0x48, /* Wakeup Frame Output Data Port */
 603         JME_WFOI        = JME_MAC | 0x4C, /* Wakeup Frame Output Interface */
 604
 605         JME_SMI         = JME_MAC | 0x50, /* Station Management Interface */
 606         JME_GHC         = JME_MAC | 0x54, /* Global Host Control */
 607         JME_PMCS        = JME_MAC | 0x60, /* Power Management Control/Stat */
 608
 609
 610         JME_PHY_CS      = JME_PHY | 0x28, /* PHY Ctrl and Status Register */
 611         JME_PHY_LINK    = JME_PHY | 0x30, /* PHY Link Status Register */
 612         JME_SMBCSR      = JME_PHY | 0x40, /* SMB Control and Status */
 613         JME_SMBINTF     = JME_PHY | 0x44, /* SMB Interface */
 614
 615
 616         JME_TMCSR       = JME_MISC | 0x00, /* Timer Control/Status Register */
 617         JME_GPREG0      = JME_MISC | 0x08, /* General purpose REG-0 */
 618         JME_GPREG1      = JME_MISC | 0x0C, /* General purpose REG-1 */
 619         JME_IEVE        = JME_MISC | 0x20, /* Interrupt Event Status */
 620         JME_IREQ        = JME_MISC | 0x24, /* Intr Req Status(For Debug) */
 621         JME_IENS        = JME_MISC | 0x28, /* Intr Enable - Setting Port */
 622         JME_IENC        = JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */
 623         JME_PCCRX0      = JME_MISC | 0x30, /* PCC Control for RX Queue 0 */
 624         JME_PCCTX       = JME_MISC | 0x40, /* PCC Control for TX Queues */
 625         JME_CHIPMODE    = JME_MISC | 0x44, /* Identify FPGA Version */
 626         JME_SHBA_HI     = JME_MISC | 0x48, /* Shadow Register Base HI */
 627         JME_SHBA_LO     = JME_MISC | 0x4C, /* Shadow Register Base LO */
 628         JME_TIMER1      = JME_MISC | 0x70, /* Timer1 */
 629         JME_TIMER2      = JME_MISC | 0x74, /* Timer2 */
 630         JME_APMC        = JME_MISC | 0x7C, /* Aggressive Power Mode Control */
 631         JME_PCCSRX0     = JME_MISC | 0x80, /* PCC Status of RX0 */
 632 };
 633
 634 /*
 635  * TX Control/Status Bits
 636  */
 637 enum jme_txcs_bits {
 638         TXCS_QUEUE7S    = 0x00008000,
 639         TXCS_QUEUE6S    = 0x00004000,
 640         TXCS_QUEUE5S    = 0x00002000,
 641         TXCS_QUEUE4S    = 0x00001000,
 642         TXCS_QUEUE3S    = 0x00000800,
 643         TXCS_QUEUE2S    = 0x00000400,
 644         TXCS_QUEUE1S    = 0x00000200,
 645         TXCS_QUEUE0S    = 0x00000100,
 646         TXCS_FIFOTH     = 0x000000C0,
 647         TXCS_DMASIZE    = 0x00000030,
 648         TXCS_BURST      = 0x00000004,
 649         TXCS_ENABLE     = 0x00000001,
 650 };
 651
 652 enum jme_txcs_value {
 653         TXCS_FIFOTH_16QW        = 0x000000C0,
 654         TXCS_FIFOTH_12QW        = 0x00000080,
 655         TXCS_FIFOTH_8QW         = 0x00000040,
 656         TXCS_FIFOTH_4QW         = 0x00000000,
 657
 658         TXCS_DMASIZE_64B        = 0x00000000,
 659         TXCS_DMASIZE_128B       = 0x00000010,
 660         TXCS_DMASIZE_256B       = 0x00000020,
 661         TXCS_DMASIZE_512B       = 0x00000030,
 662
 663         TXCS_SELECT_QUEUE0      = 0x00000000,
 664         TXCS_SELECT_QUEUE1      = 0x00010000,
 665         TXCS_SELECT_QUEUE2      = 0x00020000,
 666         TXCS_SELECT_QUEUE3      = 0x00030000,
 667         TXCS_SELECT_QUEUE4      = 0x00040000,
 668         TXCS_SELECT_QUEUE5      = 0x00050000,
 669         TXCS_SELECT_QUEUE6      = 0x00060000,
 670         TXCS_SELECT_QUEUE7      = 0x00070000,
 671
 672         TXCS_DEFAULT            = TXCS_FIFOTH_4QW |
 673                                   TXCS_BURST,
 674 };
 675
 676 #define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */
 677
 678 /*
 679  * TX MAC Control/Status Bits
 680  */
 681 enum jme_txmcs_bit_masks {
 682         TXMCS_IFG2              = 0xC0000000,
 683         TXMCS_IFG1              = 0x30000000,
 684         TXMCS_TTHOLD            = 0x00000300,
 685         TXMCS_FBURST            = 0x00000080,
 686         TXMCS_CARRIEREXT        = 0x00000040,
 687         TXMCS_DEFER             = 0x00000020,
 688         TXMCS_BACKOFF           = 0x00000010,
 689         TXMCS_CARRIERSENSE      = 0x00000008,
 690         TXMCS_COLLISION         = 0x00000004,
 691         TXMCS_CRC               = 0x00000002,
 692         TXMCS_PADDING           = 0x00000001,
 693 };
 694
 695 enum jme_txmcs_values {
 696         TXMCS_IFG2_6_4          = 0x00000000,
 697         TXMCS_IFG2_8_5          = 0x40000000,
 698         TXMCS_IFG2_10_6         = 0x80000000,
 699         TXMCS_IFG2_12_7         = 0xC0000000,
 700
 701         TXMCS_IFG1_8_4          = 0x00000000,
 702         TXMCS_IFG1_12_6         = 0x10000000,
 703         TXMCS_IFG1_16_8         = 0x20000000,
 704         TXMCS_IFG1_20_10        = 0x30000000,
 705
 706         TXMCS_TTHOLD_1_8        = 0x00000000,
 707         TXMCS_TTHOLD_1_4        = 0x00000100,
 708         TXMCS_TTHOLD_1_2        = 0x00000200,
 709         TXMCS_TTHOLD_FULL       = 0x00000300,
 710
 711         TXMCS_DEFAULT           = TXMCS_IFG2_8_5 |
 712                                   TXMCS_IFG1_16_8 |
 713                                   TXMCS_TTHOLD_FULL |
 714                                   TXMCS_DEFER |
 715                                   TXMCS_CRC |
 716                                   TXMCS_PADDING,
 717 };
 718
 719 enum jme_txpfc_bits_masks {
 720         TXPFC_VLAN_TAG          = 0xFFFF0000,
 721         TXPFC_VLAN_EN           = 0x00008000,
 722         TXPFC_PF_EN             = 0x00000001,
 723 };
 724
 725 enum jme_txtrhd_bits_masks {
 726         TXTRHD_TXPEN            = 0x80000000,
 727         TXTRHD_TXP              = 0x7FFFFF00,
 728         TXTRHD_TXREN            = 0x00000080,
 729         TXTRHD_TXRL             = 0x0000007F,
 730 };
 731
 732 enum jme_txtrhd_shifts {
 733         TXTRHD_TXP_SHIFT        = 8,
 734         TXTRHD_TXRL_SHIFT       = 0,
 735 };
 736
 737 /*
 738  * RX Control/Status Bits
 739  */
 740 enum jme_rxcs_bit_masks {
 741         /* FIFO full threshold for transmitting Tx Pause Packet */
 742         RXCS_FIFOTHTP   = 0x30000000,
 743         /* FIFO threshold for processing next packet */
 744         RXCS_FIFOTHNP   = 0x0C000000,
 745         RXCS_DMAREQSZ   = 0x03000000, /* DMA Request Size */
 746         RXCS_QUEUESEL   = 0x00030000, /* Queue selection */
 747         RXCS_RETRYGAP   = 0x0000F000, /* RX Desc full retry gap */
 748         RXCS_RETRYCNT   = 0x00000F00, /* RX Desc full retry counter */
 749         RXCS_WAKEUP     = 0x00000040, /* Enable receive wakeup packet */
 750         RXCS_MAGIC      = 0x00000020, /* Enable receive magic packet */
 751         RXCS_SHORT      = 0x00000010, /* Enable receive short packet */
 752         RXCS_ABORT      = 0x00000008, /* Enable receive errorr packet */
 753         RXCS_QST        = 0x00000004, /* Receive queue start */
 754         RXCS_SUSPEND    = 0x00000002,
 755         RXCS_ENABLE     = 0x00000001,
 756 };
 757
 758 enum jme_rxcs_values {
 759         RXCS_FIFOTHTP_16T       = 0x00000000,
 760         RXCS_FIFOTHTP_32T       = 0x10000000,
 761         RXCS_FIFOTHTP_64T       = 0x20000000,
 762         RXCS_FIFOTHTP_128T      = 0x30000000,
 763
 764         RXCS_FIFOTHNP_16QW      = 0x00000000,
 765         RXCS_FIFOTHNP_32QW      = 0x04000000,
 766         RXCS_FIFOTHNP_64QW      = 0x08000000,
 767         RXCS_FIFOTHNP_128QW     = 0x0C000000,
 768
 769         RXCS_DMAREQSZ_16B       = 0x00000000,
 770         RXCS_DMAREQSZ_32B       = 0x01000000,
 771         RXCS_DMAREQSZ_64B       = 0x02000000,
 772         RXCS_DMAREQSZ_128B      = 0x03000000,
 773
 774         RXCS_QUEUESEL_Q0        = 0x00000000,
 775         RXCS_QUEUESEL_Q1        = 0x00010000,
 776         RXCS_QUEUESEL_Q2        = 0x00020000,
 777         RXCS_QUEUESEL_Q3        = 0x00030000,
 778
 779         RXCS_RETRYGAP_256ns     = 0x00000000,
 780         RXCS_RETRYGAP_512ns     = 0x00001000,
 781         RXCS_RETRYGAP_1024ns    = 0x00002000,
 782         RXCS_RETRYGAP_2048ns    = 0x00003000,
 783         RXCS_RETRYGAP_4096ns    = 0x00004000,
 784         RXCS_RETRYGAP_8192ns    = 0x00005000,
 785         RXCS_RETRYGAP_16384ns   = 0x00006000,
 786         RXCS_RETRYGAP_32768ns   = 0x00007000,
 787
 788         RXCS_RETRYCNT_0         = 0x00000000,
 789         RXCS_RETRYCNT_4         = 0x00000100,
 790         RXCS_RETRYCNT_8         = 0x00000200,
 791         RXCS_RETRYCNT_12        = 0x00000300,
 792         RXCS_RETRYCNT_16        = 0x00000400,
 793         RXCS_RETRYCNT_20        = 0x00000500,
 794         RXCS_RETRYCNT_24        = 0x00000600,
 795         RXCS_RETRYCNT_28        = 0x00000700,
 796         RXCS_RETRYCNT_32        = 0x00000800,
 797         RXCS_RETRYCNT_36        = 0x00000900,
 798         RXCS_RETRYCNT_40        = 0x00000A00,
 799         RXCS_RETRYCNT_44        = 0x00000B00,
 800         RXCS_RETRYCNT_48        = 0x00000C00,
 801         RXCS_RETRYCNT_52        = 0x00000D00,
 802         RXCS_RETRYCNT_56        = 0x00000E00,
 803         RXCS_RETRYCNT_60        = 0x00000F00,
 804
 805         RXCS_DEFAULT            = RXCS_FIFOTHTP_128T |
 806                                   RXCS_FIFOTHNP_128QW |
 807                                   RXCS_DMAREQSZ_128B |
 808                                   RXCS_RETRYGAP_256ns |
 809                                   RXCS_RETRYCNT_32,
 810 };
 811
 812 #define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */
 813
 814 /*
 815  * RX MAC Control/Status Bits
 816  */
 817 enum jme_rxmcs_bits {
 818         RXMCS_ALLFRAME          = 0x00000800,
 819         RXMCS_BRDFRAME          = 0x00000400,
 820         RXMCS_MULFRAME          = 0x00000200,
 821         RXMCS_UNIFRAME          = 0x00000100,
 822         RXMCS_ALLMULFRAME       = 0x00000080,
 823         RXMCS_MULFILTERED       = 0x00000040,
 824         RXMCS_RXCOLLDEC         = 0x00000020,
 825         RXMCS_FLOWCTRL          = 0x00000008,
 826         RXMCS_VTAGRM            = 0x00000004,
 827         RXMCS_PREPAD            = 0x00000002,
 828         RXMCS_CHECKSUM          = 0x00000001,
 829
 830         RXMCS_DEFAULT           = RXMCS_VTAGRM |
 831                                   RXMCS_PREPAD |
 832                                   RXMCS_FLOWCTRL |
 833                                   RXMCS_CHECKSUM,
 834 };
 835
 836 /*
 837  * Wakeup Frame setup interface registers
 838  */
 839 #define WAKEUP_FRAME_NR 8
 840 #define WAKEUP_FRAME_MASK_DWNR  4
 841
 842 enum jme_wfoi_bit_masks {
 843         WFOI_MASK_SEL           = 0x00000070,
 844         WFOI_CRC_SEL            = 0x00000008,
 845         WFOI_FRAME_SEL          = 0x00000007,
 846 };
 847
 848 enum jme_wfoi_shifts {
 849         WFOI_MASK_SHIFT         = 4,
 850 };
 851
 852 /*
 853  * SMI Related definitions
 854  */
 855 enum jme_smi_bit_mask {
 856         SMI_DATA_MASK           = 0xFFFF0000,
 857         SMI_REG_ADDR_MASK       = 0x0000F800,
 858         SMI_PHY_ADDR_MASK       = 0x000007C0,
 859         SMI_OP_WRITE            = 0x00000020,
 860         /* Set to 1, after req done it'll be cleared to 0 */
 861         SMI_OP_REQ              = 0x00000010,
 862         SMI_OP_MDIO             = 0x00000008, /* Software assess In/Out */
 863         SMI_OP_MDOE             = 0x00000004, /* Software Output Enable */
 864         SMI_OP_MDC              = 0x00000002, /* Software CLK Control */
 865         SMI_OP_MDEN             = 0x00000001, /* Software access Enable */
 866 };
 867
 868 enum jme_smi_bit_shift {
 869         SMI_DATA_SHIFT          = 16,
 870         SMI_REG_ADDR_SHIFT      = 11,
 871         SMI_PHY_ADDR_SHIFT      = 6,
 872 };
 873
 874 static inline u32 smi_reg_addr(int x)
 875 {
 876         return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK;
 877 }
 878
 879 static inline u32 smi_phy_addr(int x)
 880 {
 881         return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK;
 882 }
 883
 884 #define JME_PHY_TIMEOUT 100 /* 100 msec */
 885 #define JME_PHY_REG_NR 32
 886
 887 /*
 888  * Global Host Control
 889  */
 890 enum jme_ghc_bit_mask {
 891         GHC_SWRST               = 0x40000000,
 892         GHC_DPX                 = 0x00000040,
 893         GHC_SPEED               = 0x00000030,
 894         GHC_LINK_POLL           = 0x00000001,
 895 };
 896
 897 enum jme_ghc_speed_val {
 898         GHC_SPEED_10M           = 0x00000010,
 899         GHC_SPEED_100M          = 0x00000020,
 900         GHC_SPEED_1000M         = 0x00000030,
 901 };
 902
 903 enum jme_ghc_to_clk {
 904         GHC_TO_CLK_OFF          = 0x00000000,
 905         GHC_TO_CLK_GPHY         = 0x00400000,
 906         GHC_TO_CLK_PCIE         = 0x00800000,
 907         GHC_TO_CLK_INVALID      = 0x00C00000,
 908 };
 909
 910 enum jme_ghc_txmac_clk {
 911         GHC_TXMAC_CLK_OFF       = 0x00000000,
 912         GHC_TXMAC_CLK_GPHY      = 0x00100000,
 913         GHC_TXMAC_CLK_PCIE      = 0x00200000,
 914         GHC_TXMAC_CLK_INVALID   = 0x00300000,
 915 };
 916
 917 /*
 918  * Power management control and status register
 919  */
 920 enum jme_pmcs_bit_masks {
 921         PMCS_WF7DET     = 0x80000000,
 922         PMCS_WF6DET     = 0x40000000,
 923         PMCS_WF5DET     = 0x20000000,
 924         PMCS_WF4DET     = 0x10000000,
 925         PMCS_WF3DET     = 0x08000000,
 926         PMCS_WF2DET     = 0x04000000,
 927         PMCS_WF1DET     = 0x02000000,
 928         PMCS_WF0DET     = 0x01000000,
 929         PMCS_LFDET      = 0x00040000,
 930         PMCS_LRDET      = 0x00020000,
 931         PMCS_MFDET      = 0x00010000,
 932         PMCS_WF7EN      = 0x00008000,
 933         PMCS_WF6EN      = 0x00004000,
 934         PMCS_WF5EN      = 0x00002000,
 935         PMCS_WF4EN      = 0x00001000,
 936         PMCS_WF3EN      = 0x00000800,
 937         PMCS_WF2EN      = 0x00000400,
 938         PMCS_WF1EN      = 0x00000200,
 939         PMCS_WF0EN      = 0x00000100,
 940         PMCS_LFEN       = 0x00000004,
 941         PMCS_LREN       = 0x00000002,
 942         PMCS_MFEN       = 0x00000001,
 943 };
 944
 945 /*
 946  * Giga PHY Status Registers
 947  */
 948 enum jme_phy_link_bit_mask {
 949         PHY_LINK_SPEED_MASK             = 0x0000C000,
 950         PHY_LINK_DUPLEX                 = 0x00002000,
 951         PHY_LINK_SPEEDDPU_RESOLVED      = 0x00000800,
 952         PHY_LINK_UP                     = 0x00000400,
 953         PHY_LINK_AUTONEG_COMPLETE       = 0x00000200,
 954         PHY_LINK_MDI_STAT               = 0x00000040,
 955 };
 956
 957 enum jme_phy_link_speed_val {
 958         PHY_LINK_SPEED_10M              = 0x00000000,
 959         PHY_LINK_SPEED_100M             = 0x00004000,
 960         PHY_LINK_SPEED_1000M            = 0x00008000,
 961 };
 962
 963 #define JME_SPDRSV_TIMEOUT      500     /* 500 us */
 964
 965 /*
 966  * SMB Control and Status
 967  */
 968 enum jme_smbcsr_bit_mask {
 969         SMBCSR_CNACK    = 0x00020000,
 970         SMBCSR_RELOAD   = 0x00010000,
 971         SMBCSR_EEPROMD  = 0x00000020,
 972         SMBCSR_INITDONE = 0x00000010,
 973         SMBCSR_BUSY     = 0x0000000F,
 974 };
 975
 976 enum jme_smbintf_bit_mask {
 977         SMBINTF_HWDATR  = 0xFF000000,
 978         SMBINTF_HWDATW  = 0x00FF0000,
 979         SMBINTF_HWADDR  = 0x0000FF00,
 980         SMBINTF_HWRWN   = 0x00000020,
 981         SMBINTF_HWCMD   = 0x00000010,
 982         SMBINTF_FASTM   = 0x00000008,
 983         SMBINTF_GPIOSCL = 0x00000004,
 984         SMBINTF_GPIOSDA = 0x00000002,
 985         SMBINTF_GPIOEN  = 0x00000001,
 986 };
 987
 988 enum jme_smbintf_vals {
 989         SMBINTF_HWRWN_READ      = 0x00000020,
 990         SMBINTF_HWRWN_WRITE     = 0x00000000,
 991 };
 992
 993 enum jme_smbintf_shifts {
 994         SMBINTF_HWDATR_SHIFT    = 24,
 995         SMBINTF_HWDATW_SHIFT    = 16,
 996         SMBINTF_HWADDR_SHIFT    = 8,
 997 };
 998
 999 #define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */
1000 #define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */
1001 #define JME_SMB_LEN 256
1002 #define JME_EEPROM_MAGIC 0x250
1003
1004 /*
1005  * Timer Control/Status Register
1006  */
1007 enum jme_tmcsr_bit_masks {
1008         TMCSR_SWIT      = 0x80000000,
1009         TMCSR_EN        = 0x01000000,
1010         TMCSR_CNT       = 0x00FFFFFF,
1011 };
1012
1013 /*
1014  * General Purpose REG-0
1015  */
1016 enum jme_gpreg0_masks {
1017         GPREG0_DISSH            = 0xFF000000,
1018         GPREG0_PCIRLMT          = 0x00300000,
1019         GPREG0_PCCNOMUTCLR      = 0x00040000,
1020         GPREG0_LNKINTPOLL       = 0x00001000,
1021         GPREG0_PCCTMR           = 0x00000300,
1022         GPREG0_PHYADDR          = 0x0000001F,
1023 };
1024
1025 enum jme_gpreg0_vals {
1026         GPREG0_DISSH_DW7        = 0x80000000,
1027         GPREG0_DISSH_DW6        = 0x40000000,
1028         GPREG0_DISSH_DW5        = 0x20000000,
1029         GPREG0_DISSH_DW4        = 0x10000000,
1030         GPREG0_DISSH_DW3        = 0x08000000,
1031         GPREG0_DISSH_DW2        = 0x04000000,
1032         GPREG0_DISSH_DW1        = 0x02000000,
1033         GPREG0_DISSH_DW0        = 0x01000000,
1034         GPREG0_DISSH_ALL        = 0xFF000000,
1035
1036         GPREG0_PCIRLMT_8        = 0x00000000,
1037         GPREG0_PCIRLMT_6        = 0x00100000,
1038         GPREG0_PCIRLMT_5        = 0x00200000,
1039         GPREG0_PCIRLMT_4        = 0x00300000,
1040
1041         GPREG0_PCCTMR_16ns      = 0x00000000,
1042         GPREG0_PCCTMR_256ns     = 0x00000100,
1043         GPREG0_PCCTMR_1us       = 0x00000200,
1044         GPREG0_PCCTMR_1ms       = 0x00000300,
1045
1046         GPREG0_PHYADDR_1        = 0x00000001,
1047
1048         GPREG0_DEFAULT          = GPREG0_PCIRLMT_4 |
1049                                   GPREG0_PCCTMR_1us |
1050                                   GPREG0_PHYADDR_1,
1051 };
1052
1053 /*
1054  * General Purpose REG-1
1055  * Note: All theses bits defined here are for
1056  *       Chip mode revision 0x11 only
1057  */
1058 enum jme_gpreg1_masks {
1059         GPREG1_INTRDELAYUNIT    = 0x00000018,
1060         GPREG1_INTRDELAYENABLE  = 0x00000007,
1061 };
1062
1063 enum jme_gpreg1_vals {
1064         GPREG1_RSSPATCH         = 0x00000040,
1065         GPREG1_HALFMODEPATCH    = 0x00000020,
1066
1067         GPREG1_INTDLYUNIT_16NS  = 0x00000000,
1068         GPREG1_INTDLYUNIT_256NS = 0x00000008,
1069         GPREG1_INTDLYUNIT_1US   = 0x00000010,
1070         GPREG1_INTDLYUNIT_16US  = 0x00000018,
1071
1072         GPREG1_INTDLYEN_1U      = 0x00000001,
1073         GPREG1_INTDLYEN_2U      = 0x00000002,
1074         GPREG1_INTDLYEN_3U      = 0x00000003,
1075         GPREG1_INTDLYEN_4U      = 0x00000004,
1076         GPREG1_INTDLYEN_5U      = 0x00000005,
1077         GPREG1_INTDLYEN_6U      = 0x00000006,
1078         GPREG1_INTDLYEN_7U      = 0x00000007,
1079
1080         GPREG1_DEFAULT          = 0x00000000,
1081 };
1082
1083 /*
1084  * Interrupt Status Bits
1085  */
1086 enum jme_interrupt_bits {
1087         INTR_SWINTR     = 0x80000000,
1088         INTR_TMINTR     = 0x40000000,
1089         INTR_LINKCH     = 0x20000000,
1090         INTR_PAUSERCV   = 0x10000000,
1091         INTR_MAGICRCV   = 0x08000000,
1092         INTR_WAKERCV    = 0x04000000,
1093         INTR_PCCRX0TO   = 0x02000000,
1094         INTR_PCCRX1TO   = 0x01000000,
1095         INTR_PCCRX2TO   = 0x00800000,
1096         INTR_PCCRX3TO   = 0x00400000,
1097         INTR_PCCTXTO    = 0x00200000,
1098         INTR_PCCRX0     = 0x00100000,
1099         INTR_PCCRX1     = 0x00080000,
1100         INTR_PCCRX2     = 0x00040000,
1101         INTR_PCCRX3     = 0x00020000,
1102         INTR_PCCTX      = 0x00010000,
1103         INTR_RX3EMP     = 0x00008000,
1104         INTR_RX2EMP     = 0x00004000,
1105         INTR_RX1EMP     = 0x00002000,
1106         INTR_RX0EMP     = 0x00001000,
1107         INTR_RX3        = 0x00000800,
1108         INTR_RX2        = 0x00000400,
1109         INTR_RX1        = 0x00000200,
1110         INTR_RX0        = 0x00000100,
1111         INTR_TX7        = 0x00000080,
1112         INTR_TX6        = 0x00000040,
1113         INTR_TX5        = 0x00000020,
1114         INTR_TX4        = 0x00000010,
1115         INTR_TX3        = 0x00000008,
1116         INTR_TX2        = 0x00000004,
1117         INTR_TX1        = 0x00000002,
1118         INTR_TX0        = 0x00000001,
1119 };
1120
1121 static const u32 INTR_ENABLE = INTR_SWINTR |
1122                                  INTR_TMINTR |
1123                                  INTR_LINKCH |
1124                                  INTR_PCCRX0TO |
1125                                  INTR_PCCRX0 |
1126                                  INTR_PCCTXTO |
1127                                  INTR_PCCTX |
1128                                  INTR_RX0EMP;
1129
1130 /*
1131  * PCC Control Registers
1132  */
1133 enum jme_pccrx_masks {
1134         PCCRXTO_MASK    = 0xFFFF0000,
1135         PCCRX_MASK      = 0x0000FF00,
1136 };
1137
1138 enum jme_pcctx_masks {
1139         PCCTXTO_MASK    = 0xFFFF0000,
1140         PCCTX_MASK      = 0x0000FF00,
1141         PCCTX_QS_MASK   = 0x000000FF,
1142 };
1143
1144 enum jme_pccrx_shifts {
1145         PCCRXTO_SHIFT   = 16,
1146         PCCRX_SHIFT     = 8,
1147 };
1148
1149 enum jme_pcctx_shifts {
1150         PCCTXTO_SHIFT   = 16,
1151         PCCTX_SHIFT     = 8,
1152 };
1153
1154 enum jme_pcctx_bits {
1155         PCCTXQ0_EN      = 0x00000001,
1156         PCCTXQ1_EN      = 0x00000002,
1157         PCCTXQ2_EN      = 0x00000004,
1158         PCCTXQ3_EN      = 0x00000008,
1159         PCCTXQ4_EN      = 0x00000010,
1160         PCCTXQ5_EN      = 0x00000020,
1161         PCCTXQ6_EN      = 0x00000040,
1162         PCCTXQ7_EN      = 0x00000080,
1163 };
1164
1165 /*
1166  * Chip Mode Register
1167  */
1168 enum jme_chipmode_bit_masks {
1169         CM_FPGAVER_MASK         = 0xFFFF0000,
1170         CM_CHIPREV_MASK         = 0x0000FF00,
1171         CM_CHIPMODE_MASK        = 0x0000000F,
1172 };
1173
1174 enum jme_chipmode_shifts {
1175         CM_FPGAVER_SHIFT        = 16,
1176         CM_CHIPREV_SHIFT        = 8,
1177 };
1178
1179 /*
1180  * Aggressive Power Mode Control
1181  */
1182 enum jme_apmc_bits {
1183         JME_APMC_PCIE_SD_EN     = 0x40000000,
1184         JME_APMC_PSEUDO_HP_EN   = 0x20000000,
1185         JME_APMC_EPIEN          = 0x04000000,
1186         JME_APMC_EPIEN_CTRL     = 0x03000000,
1187 };
1188
1189 enum jme_apmc_values {
1190         JME_APMC_EPIEN_CTRL_EN  = 0x02000000,
1191         JME_APMC_EPIEN_CTRL_DIS = 0x01000000,
1192 };
1193
1194 #define APMC_PHP_SHUTDOWN_DELAY (10 * 1000 * 1000)
1195
1196 #ifdef REG_DEBUG
1197 static char *MAC_REG_NAME[] = {
1198         "JME_TXCS",      "JME_TXDBA_LO",  "JME_TXDBA_HI", "JME_TXQDC",
1199         "JME_TXNDA",     "JME_TXMCS",     "JME_TXPFC",    "JME_TXTRHD",
1200         "JME_RXCS",      "JME_RXDBA_LO",  "JME_RXDBA_HI", "JME_RXQDC",
1201         "JME_RXNDA",     "JME_RXMCS",     "JME_RXUMA_LO", "JME_RXUMA_HI",
1202         "JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP",    "JME_WFOI",
1203         "JME_SMI",       "JME_GHC",       "UNKNOWN",      "UNKNOWN",
1204         "JME_PMCS"};
1205
1206 static char *PE_REG_NAME[] = {
1207         "UNKNOWN",      "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1208         "UNKNOWN",      "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1209         "UNKNOWN",      "UNKNOWN",     "JME_PHY_CS", "UNKNOWN",
1210         "JME_PHY_LINK", "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1211         "JME_SMBCSR",   "JME_SMBINTF"};
1212
1213 static char *MISC_REG_NAME[] = {
1214         "JME_TMCSR",  "JME_GPIO",     "JME_GPREG0",  "JME_GPREG1",
1215         "JME_IEVE",   "JME_IREQ",     "JME_IENS",    "JME_IENC",
1216         "JME_PCCRX0", "JME_PCCRX1",   "JME_PCCRX2",  "JME_PCCRX3",
1217         "JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO",
1218         "UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1219         "UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1220         "UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1221         "JME_TIMER1", "JME_TIMER2",   "UNKNOWN",     "JME_APMC",
1222         "JME_PCCSRX0"};
1223
1224 static inline void reg_dbg(const struct jme_adapter *jme,
1225                 const char *msg, u32 val, u32 reg)
1226 {
1227         const char *regname;
1228         switch (reg & 0xF00) {
1229         case 0x000:
1230                 regname = MAC_REG_NAME[(reg & 0xFF) >> 2];
1231                 break;
1232         case 0x400:
1233                 regname = PE_REG_NAME[(reg & 0xFF) >> 2];
1234                 break;
1235         case 0x800:
1236                 regname = MISC_REG_NAME[(reg & 0xFF) >> 2];
1237                 break;
1238         default:
1239                 regname = PE_REG_NAME[0];
1240         }
1241         printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name,
1242                         msg, val, regname);
1243 }
1244 #else
1245 static inline void reg_dbg(const struct jme_adapter *jme,
1246                 const char *msg, u32 val, u32 reg) {}
1247 #endif
1248
1249 /*
1250  * Read/Write MMaped I/O Registers
1251  */
1252 static inline u32 jread32(struct jme_adapter *jme, u32 reg)
1253 {
1254         return readl(jme->regs + reg);
1255 }
1256
1257 static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val)
1258 {
1259         reg_dbg(jme, "REG WRITE", val, reg);
1260         writel(val, jme->regs + reg);
1261         reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1262 }
1263
1264 static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val)
1265 {
1266         /*
1267          * Read after write should cause flush
1268          */
1269         reg_dbg(jme, "REG WRITE FLUSH", val, reg);
1270         writel(val, jme->regs + reg);
1271         readl(jme->regs + reg);
1272         reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1273 }
1274
1275 /*
1276  * PHY Regs
1277  */
1278 enum jme_phy_reg17_bit_masks {
1279         PREG17_SPEED            = 0xC000,
1280         PREG17_DUPLEX           = 0x2000,
1281         PREG17_SPDRSV           = 0x0800,
1282         PREG17_LNKUP            = 0x0400,
1283         PREG17_MDI              = 0x0040,
1284 };
1285
1286 enum jme_phy_reg17_vals {
1287         PREG17_SPEED_10M        = 0x0000,
1288         PREG17_SPEED_100M       = 0x4000,
1289         PREG17_SPEED_1000M      = 0x8000,
1290 };
1291
1292 #define BMSR_ANCOMP               0x0020
1293
1294 /*
1295  * Workaround
1296  */
1297 static inline int is_buggy250(unsigned short device, unsigned int chiprev)
1298 {
1299         return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11;
1300 }
1301
1302 /*
1303  * Function prototypes
1304  */
1305 static int jme_set_settings(struct net_device *netdev,
1306                                 struct ethtool_cmd *ecmd);
1307 static void jme_set_multi(struct net_device *netdev);
1308
1309 #endif