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     "1.0.4"
  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 #endif
  53
  54 #define jme_msg(msglvl, type, priv, fmt, args...) \
  55         if (netif_msg_##type(priv)) \
  56                 printk(msglvl "%s: " fmt, (priv)->dev->name, ## args)
  57
  58 #define msg_probe(priv, fmt, args...) \
  59         jme_msg(KERN_INFO, probe, priv, fmt, ## args)
  60
  61 #define msg_link(priv, fmt, args...) \
  62         jme_msg(KERN_INFO, link, priv, fmt, ## args)
  63
  64 #define msg_intr(priv, fmt, args...) \
  65         jme_msg(KERN_INFO, intr, priv, fmt, ## args)
  66
  67 #define msg_rx_err(priv, fmt, args...) \
  68         jme_msg(KERN_ERR, rx_err, priv, fmt, ## args)
  69
  70 #define msg_rx_status(priv, fmt, args...) \
  71         jme_msg(KERN_INFO, rx_status, priv, fmt, ## args)
  72
  73 #define msg_tx_err(priv, fmt, args...) \
  74         jme_msg(KERN_ERR, tx_err, priv, fmt, ## args)
  75
  76 #define msg_tx_done(priv, fmt, args...) \
  77         jme_msg(KERN_INFO, tx_done, priv, fmt, ## args)
  78
  79 #define msg_tx_queued(priv, fmt, args...) \
  80         jme_msg(KERN_INFO, tx_queued, priv, fmt, ## args)
  81
  82 #define msg_hw(priv, fmt, args...) \
  83         jme_msg(KERN_ERR, hw, priv, fmt, ## args)
  84
  85 /*
  86  * Extra PCI Configuration space interface
  87  */
  88 #define PCI_DCSR_MRRS           0x59
  89 #define PCI_DCSR_MRRS_MASK      0x70
  90
  91 enum pci_dcsr_mrrs_vals {
  92         MRRS_128B       = 0x00,
  93         MRRS_256B       = 0x10,
  94         MRRS_512B       = 0x20,
  95         MRRS_1024B      = 0x30,
  96         MRRS_2048B      = 0x40,
  97         MRRS_4096B      = 0x50,
  98 };
  99
 100 #define PCI_SPI                 0xB0
 101
 102 enum pci_spi_bits {
 103         SPI_EN          = 0x10,
 104         SPI_MISO        = 0x08,
 105         SPI_MOSI        = 0x04,
 106         SPI_SCLK        = 0x02,
 107         SPI_CS          = 0x01,
 108 };
 109
 110 struct jme_spi_op {
 111         void __user *uwbuf;
 112         void __user *urbuf;
 113         __u8    wn;     /* Number of write actions */
 114         __u8    rn;     /* Number of read actions */
 115         __u8    bitn;   /* Number of bits per action */
 116         __u8    spd;    /* The maxim acceptable speed of controller, in MHz.*/
 117         __u8    mode;   /* CPOL, CPHA, and Duplex mode of SPI */
 118
 119         /* Internal use only */
 120         u8      *kwbuf;
 121         u8      *krbuf;
 122         u8      sr;
 123         u16     halfclk; /* Half of clock cycle calculated from spd, in ns */
 124 };
 125
 126 enum jme_spi_op_bits {
 127         SPI_MODE_CPHA   = 0x01,
 128         SPI_MODE_CPOL   = 0x02,
 129         SPI_MODE_DUP    = 0x80,
 130 };
 131
 132 #define HALF_US 500     /* 500 ns */
 133 #define JMESPIIOCTL     SIOCDEVPRIVATE
 134
 135 /*
 136  * Dynamic(adaptive)/Static PCC values
 137  */
 138 enum dynamic_pcc_values {
 139         PCC_OFF         = 0,
 140         PCC_P1          = 1,
 141         PCC_P2          = 2,
 142         PCC_P3          = 3,
 143
 144         PCC_OFF_TO      = 0,
 145         PCC_P1_TO       = 1,
 146         PCC_P2_TO       = 64,
 147         PCC_P3_TO       = 128,
 148
 149         PCC_OFF_CNT     = 0,
 150         PCC_P1_CNT      = 1,
 151         PCC_P2_CNT      = 16,
 152         PCC_P3_CNT      = 32,
 153 };
 154 struct dynpcc_info {
 155         unsigned long   last_bytes;
 156         unsigned long   last_pkts;
 157         unsigned long   intr_cnt;
 158         unsigned char   cur;
 159         unsigned char   attempt;
 160         unsigned char   cnt;
 161 };
 162 #define PCC_INTERVAL_US 100000
 163 #define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US))
 164 #define PCC_P3_THRESHOLD (2 * 1024 * 1024)
 165 #define PCC_P2_THRESHOLD 800
 166 #define PCC_INTR_THRESHOLD 800
 167 #define PCC_TX_TO 1000
 168 #define PCC_TX_CNT 8
 169
 170 /*
 171  * TX/RX Descriptors
 172  *
 173  * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024
 174  */
 175 #define RING_DESC_ALIGN         16      /* Descriptor alignment */
 176 #define TX_DESC_SIZE            16
 177 #define TX_RING_NR              8
 178 #define TX_RING_ALLOC_SIZE(s)   ((s * TX_DESC_SIZE) + RING_DESC_ALIGN)
 179
 180 struct txdesc {
 181         union {
 182                 __u8    all[16];
 183                 __le32  dw[4];
 184                 struct {
 185                         /* DW0 */
 186                         __le16  vlan;
 187                         __u8    rsv1;
 188                         __u8    flags;
 189
 190                         /* DW1 */
 191                         __le16  datalen;
 192                         __le16  mss;
 193
 194                         /* DW2 */
 195                         __le16  pktsize;
 196                         __le16  rsv2;
 197
 198                         /* DW3 */
 199                         __le32  bufaddr;
 200                 } desc1;
 201                 struct {
 202                         /* DW0 */
 203                         __le16  rsv1;
 204                         __u8    rsv2;
 205                         __u8    flags;
 206
 207                         /* DW1 */
 208                         __le16  datalen;
 209                         __le16  rsv3;
 210
 211                         /* DW2 */
 212                         __le32  bufaddrh;
 213
 214                         /* DW3 */
 215                         __le32  bufaddrl;
 216                 } desc2;
 217                 struct {
 218                         /* DW0 */
 219                         __u8    ehdrsz;
 220                         __u8    rsv1;
 221                         __u8    rsv2;
 222                         __u8    flags;
 223
 224                         /* DW1 */
 225                         __le16  trycnt;
 226                         __le16  segcnt;
 227
 228                         /* DW2 */
 229                         __le16  pktsz;
 230                         __le16  rsv3;
 231
 232                         /* DW3 */
 233                         __le32  bufaddrl;
 234                 } descwb;
 235         };
 236 };
 237
 238 enum jme_txdesc_flags_bits {
 239         TXFLAG_OWN      = 0x80,
 240         TXFLAG_INT      = 0x40,
 241         TXFLAG_64BIT    = 0x20,
 242         TXFLAG_TCPCS    = 0x10,
 243         TXFLAG_UDPCS    = 0x08,
 244         TXFLAG_IPCS     = 0x04,
 245         TXFLAG_LSEN     = 0x02,
 246         TXFLAG_TAGON    = 0x01,
 247 };
 248
 249 #define TXDESC_MSS_SHIFT        2
 250 enum jme_rxdescwb_flags_bits {
 251         TXWBFLAG_OWN    = 0x80,
 252         TXWBFLAG_INT    = 0x40,
 253         TXWBFLAG_TMOUT  = 0x20,
 254         TXWBFLAG_TRYOUT = 0x10,
 255         TXWBFLAG_COL    = 0x08,
 256
 257         TXWBFLAG_ALLERR = TXWBFLAG_TMOUT |
 258                           TXWBFLAG_TRYOUT |
 259                           TXWBFLAG_COL,
 260 };
 261
 262 #define RX_DESC_SIZE            16
 263 #define RX_RING_NR              4
 264 #define RX_RING_ALLOC_SIZE(s)   ((s * RX_DESC_SIZE) + RING_DESC_ALIGN)
 265 #define RX_BUF_DMA_ALIGN        8
 266 #define RX_PREPAD_SIZE          10
 267 #define ETH_CRC_LEN             2
 268 #define RX_VLANHDR_LEN          2
 269 #define RX_EXTRA_LEN            (RX_PREPAD_SIZE + \
 270                                 ETH_HLEN + \
 271                                 ETH_CRC_LEN + \
 272                                 RX_VLANHDR_LEN + \
 273                                 RX_BUF_DMA_ALIGN)
 274
 275 struct rxdesc {
 276         union {
 277                 __u8    all[16];
 278                 __le32  dw[4];
 279                 struct {
 280                         /* DW0 */
 281                         __le16  rsv2;
 282                         __u8    rsv1;
 283                         __u8    flags;
 284
 285                         /* DW1 */
 286                         __le16  datalen;
 287                         __le16  wbcpl;
 288
 289                         /* DW2 */
 290                         __le32  bufaddrh;
 291
 292                         /* DW3 */
 293                         __le32  bufaddrl;
 294                 } desc1;
 295                 struct {
 296                         /* DW0 */
 297                         __le16  vlan;
 298                         __le16  flags;
 299
 300                         /* DW1 */
 301                         __le16  framesize;
 302                         __u8    errstat;
 303                         __u8    desccnt;
 304
 305                         /* DW2 */
 306                         __le32  rsshash;
 307
 308                         /* DW3 */
 309                         __u8    hashfun;
 310                         __u8    hashtype;
 311                         __le16  resrv;
 312                 } descwb;
 313         };
 314 };
 315
 316 enum jme_rxdesc_flags_bits {
 317         RXFLAG_OWN      = 0x80,
 318         RXFLAG_INT      = 0x40,
 319         RXFLAG_64BIT    = 0x20,
 320 };
 321
 322 enum jme_rxwbdesc_flags_bits {
 323         RXWBFLAG_OWN            = 0x8000,
 324         RXWBFLAG_INT            = 0x4000,
 325         RXWBFLAG_MF             = 0x2000,
 326         RXWBFLAG_64BIT          = 0x2000,
 327         RXWBFLAG_TCPON          = 0x1000,
 328         RXWBFLAG_UDPON          = 0x0800,
 329         RXWBFLAG_IPCS           = 0x0400,
 330         RXWBFLAG_TCPCS          = 0x0200,
 331         RXWBFLAG_UDPCS          = 0x0100,
 332         RXWBFLAG_TAGON          = 0x0080,
 333         RXWBFLAG_IPV4           = 0x0040,
 334         RXWBFLAG_IPV6           = 0x0020,
 335         RXWBFLAG_PAUSE          = 0x0010,
 336         RXWBFLAG_MAGIC          = 0x0008,
 337         RXWBFLAG_WAKEUP         = 0x0004,
 338         RXWBFLAG_DEST           = 0x0003,
 339         RXWBFLAG_DEST_UNI       = 0x0001,
 340         RXWBFLAG_DEST_MUL       = 0x0002,
 341         RXWBFLAG_DEST_BRO       = 0x0003,
 342 };
 343
 344 enum jme_rxwbdesc_desccnt_mask {
 345         RXWBDCNT_WBCPL  = 0x80,
 346         RXWBDCNT_DCNT   = 0x7F,
 347 };
 348
 349 enum jme_rxwbdesc_errstat_bits {
 350         RXWBERR_LIMIT   = 0x80,
 351         RXWBERR_MIIER   = 0x40,
 352         RXWBERR_NIBON   = 0x20,
 353         RXWBERR_COLON   = 0x10,
 354         RXWBERR_ABORT   = 0x08,
 355         RXWBERR_SHORT   = 0x04,
 356         RXWBERR_OVERUN  = 0x02,
 357         RXWBERR_CRCERR  = 0x01,
 358         RXWBERR_ALLERR  = 0xFF,
 359 };
 360
 361 /*
 362  * Buffer information corresponding to ring descriptors.
 363  */
 364 struct jme_buffer_info {
 365         struct sk_buff *skb;
 366         dma_addr_t mapping;
 367         int len;
 368         int nr_desc;
 369         unsigned long start_xmit;
 370 };
 371
 372 /*
 373  * The structure holding buffer information and ring descriptors all together.
 374  */
 375 #include <linux/version.h>
 376 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21)
 377 #define MAX_RING_DESC_NR        512
 378 #else
 379 #define MAX_RING_DESC_NR        1024
 380 #endif
 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[MAX_RING_DESC_NR];
 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 #elif LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,28)
 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 #else
 470 #define DECLARE_NAPI_STRUCT struct napi_struct napi;
 471 #define NETIF_NAPI_SET(dev, napis, pollfn, q) \
 472         netif_napi_add(dev, napis, pollfn, q);
 473 #define JME_NAPI_HOLDER(holder) struct napi_struct *holder
 474 #define JME_NAPI_WEIGHT(w) int w
 475 #define JME_NAPI_WEIGHT_VAL(w) w
 476 #define JME_NAPI_WEIGHT_SET(w, r)
 477 #define DECLARE_NETDEV struct net_device *netdev = jme->dev;
 478 #define JME_RX_COMPLETE(dev, napis) netif_rx_complete(dev, napis)
 479 #define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi);
 480 #define JME_NAPI_DISABLE(priv) \
 481         if (!napi_disable_pending(&priv->napi)) \
 482                 napi_disable(&priv->napi);
 483 #define JME_RX_SCHEDULE_PREP(priv) \
 484         netif_rx_schedule_prep(priv->dev, &priv->napi)
 485 #define JME_RX_SCHEDULE(priv) \
 486         __netif_rx_schedule(priv->dev, &priv->napi);
 487 #endif
 488
 489 /*
 490  * Jmac Adapter Private data
 491  */
 492 #define SHADOW_REG_NR 8
 493 struct jme_adapter {
 494         struct pci_dev          *pdev;
 495         struct net_device       *dev;
 496         void __iomem            *regs;
 497         dma_addr_t              shadow_dma;
 498         u32                     *shadow_regs;
 499         struct mii_if_info      mii_if;
 500         struct jme_ring         rxring[RX_RING_NR];
 501         struct jme_ring         txring[TX_RING_NR];
 502         spinlock_t              phy_lock;
 503         spinlock_t              macaddr_lock;
 504         spinlock_t              rxmcs_lock;
 505         struct tasklet_struct   rxempty_task;
 506         struct tasklet_struct   rxclean_task;
 507         struct tasklet_struct   txclean_task;
 508         struct tasklet_struct   linkch_task;
 509         struct tasklet_struct   pcc_task;
 510         unsigned long           flags;
 511         u32                     reg_txcs;
 512         u32                     reg_txpfc;
 513         u32                     reg_rxcs;
 514         u32                     reg_rxmcs;
 515         u32                     reg_ghc;
 516         u32                     reg_pmcs;
 517         u32                     phylink;
 518         u32                     tx_ring_size;
 519         u32                     tx_ring_mask;
 520         u32                     tx_wake_threshold;
 521         u32                     rx_ring_size;
 522         u32                     rx_ring_mask;
 523         u8                      mrrs;
 524         unsigned int            fpgaver;
 525         unsigned int            chiprev;
 526         u8                      rev;
 527         u32                     msg_enable;
 528         struct ethtool_cmd      old_ecmd;
 529         unsigned int            old_mtu;
 530         struct vlan_group       *vlgrp;
 531         struct dynpcc_info      dpi;
 532         atomic_t                intr_sem;
 533         atomic_t                link_changing;
 534         atomic_t                tx_cleaning;
 535         atomic_t                rx_cleaning;
 536         atomic_t                rx_empty;
 537         int                     (*jme_rx)(struct sk_buff *skb);
 538         int                     (*jme_vlan_rx)(struct sk_buff *skb,
 539                                           struct vlan_group *grp,
 540                                           unsigned short vlan_tag);
 541         DECLARE_NAPI_STRUCT
 542         DECLARE_NET_DEVICE_STATS
 543 };
 544
 545 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21)
 546 static struct net_device_stats *
 547 jme_get_stats(struct net_device *netdev)
 548 {
 549         struct jme_adapter *jme = netdev_priv(netdev);
 550         return &jme->stats;
 551 }
 552 #endif
 553
 554 enum shadow_reg_val {
 555         SHADOW_IEVE = 0,
 556 };
 557
 558 enum jme_flags_bits {
 559         JME_FLAG_MSI            = 1,
 560         JME_FLAG_SSET           = 2,
 561         JME_FLAG_TXCSUM         = 3,
 562         JME_FLAG_TSO            = 4,
 563         JME_FLAG_POLL           = 5,
 564         JME_FLAG_SHUTDOWN       = 6,
 565 };
 566
 567 #define TX_TIMEOUT              (5 * HZ)
 568 #define JME_REG_LEN             0x500
 569 #define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216
 570
 571 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
 572 static inline struct jme_adapter*
 573 jme_napi_priv(struct net_device *holder)
 574 {
 575         struct jme_adapter *jme;
 576         jme = netdev_priv(holder);
 577         return jme;
 578 }
 579 #else
 580 static inline struct jme_adapter*
 581 jme_napi_priv(struct napi_struct *napi)
 582 {
 583         struct jme_adapter *jme;
 584         jme = container_of(napi, struct jme_adapter, napi);
 585         return jme;
 586 }
 587 #endif
 588
 589 /*
 590  * MMaped I/O Resters
 591  */
 592 enum jme_iomap_offsets {
 593         JME_MAC         = 0x0000,
 594         JME_PHY         = 0x0400,
 595         JME_MISC        = 0x0800,
 596         JME_RSS         = 0x0C00,
 597 };
 598
 599 enum jme_iomap_lens {
 600         JME_MAC_LEN     = 0x80,
 601         JME_PHY_LEN     = 0x58,
 602         JME_MISC_LEN    = 0x98,
 603         JME_RSS_LEN     = 0xFF,
 604 };
 605
 606 enum jme_iomap_regs {
 607         JME_TXCS        = JME_MAC | 0x00, /* Transmit Control and Status */
 608         JME_TXDBA_LO    = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */
 609         JME_TXDBA_HI    = JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */
 610         JME_TXQDC       = JME_MAC | 0x0C, /* Transmit Queue Desc Count */
 611         JME_TXNDA       = JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */
 612         JME_TXMCS       = JME_MAC | 0x14, /* Transmit MAC Control Status */
 613         JME_TXPFC       = JME_MAC | 0x18, /* Transmit Pause Frame Control */
 614         JME_TXTRHD      = JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */
 615
 616         JME_RXCS        = JME_MAC | 0x20, /* Receive Control and Status */
 617         JME_RXDBA_LO    = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */
 618         JME_RXDBA_HI    = JME_MAC | 0x28, /* Receive Queue Desc Base Addr */
 619         JME_RXQDC       = JME_MAC | 0x2C, /* Receive Queue Desc Count */
 620         JME_RXNDA       = JME_MAC | 0x30, /* Receive Queue Next Desc Addr */
 621         JME_RXMCS       = JME_MAC | 0x34, /* Receive MAC Control Status */
 622         JME_RXUMA_LO    = JME_MAC | 0x38, /* Receive Unicast MAC Address */
 623         JME_RXUMA_HI    = JME_MAC | 0x3C, /* Receive Unicast MAC Address */
 624         JME_RXMCHT_LO   = JME_MAC | 0x40, /* Recv Multicast Addr HashTable */
 625         JME_RXMCHT_HI   = JME_MAC | 0x44, /* Recv Multicast Addr HashTable */
 626         JME_WFODP       = JME_MAC | 0x48, /* Wakeup Frame Output Data Port */
 627         JME_WFOI        = JME_MAC | 0x4C, /* Wakeup Frame Output Interface */
 628
 629         JME_SMI         = JME_MAC | 0x50, /* Station Management Interface */
 630         JME_GHC         = JME_MAC | 0x54, /* Global Host Control */
 631         JME_PMCS        = JME_MAC | 0x60, /* Power Management Control/Stat */
 632
 633
 634         JME_PHY_CS      = JME_PHY | 0x28, /* PHY Ctrl and Status Register */
 635         JME_PHY_LINK    = JME_PHY | 0x30, /* PHY Link Status Register */
 636         JME_SMBCSR      = JME_PHY | 0x40, /* SMB Control and Status */
 637         JME_SMBINTF     = JME_PHY | 0x44, /* SMB Interface */
 638
 639
 640         JME_TMCSR       = JME_MISC | 0x00, /* Timer Control/Status Register */
 641         JME_GPREG0      = JME_MISC | 0x08, /* General purpose REG-0 */
 642         JME_GPREG1      = JME_MISC | 0x0C, /* General purpose REG-1 */
 643         JME_IEVE        = JME_MISC | 0x20, /* Interrupt Event Status */
 644         JME_IREQ        = JME_MISC | 0x24, /* Intr Req Status(For Debug) */
 645         JME_IENS        = JME_MISC | 0x28, /* Intr Enable - Setting Port */
 646         JME_IENC        = JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */
 647         JME_PCCRX0      = JME_MISC | 0x30, /* PCC Control for RX Queue 0 */
 648         JME_PCCTX       = JME_MISC | 0x40, /* PCC Control for TX Queues */
 649         JME_CHIPMODE    = JME_MISC | 0x44, /* Identify FPGA Version */
 650         JME_SHBA_HI     = JME_MISC | 0x48, /* Shadow Register Base HI */
 651         JME_SHBA_LO     = JME_MISC | 0x4C, /* Shadow Register Base LO */
 652         JME_TIMER1      = JME_MISC | 0x70, /* Timer1 */
 653         JME_TIMER2      = JME_MISC | 0x74, /* Timer2 */
 654         JME_APMC        = JME_MISC | 0x7C, /* Aggressive Power Mode Control */
 655         JME_PCCSRX0     = JME_MISC | 0x80, /* PCC Status of RX0 */
 656 };
 657
 658 /*
 659  * TX Control/Status Bits
 660  */
 661 enum jme_txcs_bits {
 662         TXCS_QUEUE7S    = 0x00008000,
 663         TXCS_QUEUE6S    = 0x00004000,
 664         TXCS_QUEUE5S    = 0x00002000,
 665         TXCS_QUEUE4S    = 0x00001000,
 666         TXCS_QUEUE3S    = 0x00000800,
 667         TXCS_QUEUE2S    = 0x00000400,
 668         TXCS_QUEUE1S    = 0x00000200,
 669         TXCS_QUEUE0S    = 0x00000100,
 670         TXCS_FIFOTH     = 0x000000C0,
 671         TXCS_DMASIZE    = 0x00000030,
 672         TXCS_BURST      = 0x00000004,
 673         TXCS_ENABLE     = 0x00000001,
 674 };
 675
 676 enum jme_txcs_value {
 677         TXCS_FIFOTH_16QW        = 0x000000C0,
 678         TXCS_FIFOTH_12QW        = 0x00000080,
 679         TXCS_FIFOTH_8QW         = 0x00000040,
 680         TXCS_FIFOTH_4QW         = 0x00000000,
 681
 682         TXCS_DMASIZE_64B        = 0x00000000,
 683         TXCS_DMASIZE_128B       = 0x00000010,
 684         TXCS_DMASIZE_256B       = 0x00000020,
 685         TXCS_DMASIZE_512B       = 0x00000030,
 686
 687         TXCS_SELECT_QUEUE0      = 0x00000000,
 688         TXCS_SELECT_QUEUE1      = 0x00010000,
 689         TXCS_SELECT_QUEUE2      = 0x00020000,
 690         TXCS_SELECT_QUEUE3      = 0x00030000,
 691         TXCS_SELECT_QUEUE4      = 0x00040000,
 692         TXCS_SELECT_QUEUE5      = 0x00050000,
 693         TXCS_SELECT_QUEUE6      = 0x00060000,
 694         TXCS_SELECT_QUEUE7      = 0x00070000,
 695
 696         TXCS_DEFAULT            = TXCS_FIFOTH_4QW |
 697                                   TXCS_BURST,
 698 };
 699
 700 #define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */
 701
 702 /*
 703  * TX MAC Control/Status Bits
 704  */
 705 enum jme_txmcs_bit_masks {
 706         TXMCS_IFG2              = 0xC0000000,
 707         TXMCS_IFG1              = 0x30000000,
 708         TXMCS_TTHOLD            = 0x00000300,
 709         TXMCS_FBURST            = 0x00000080,
 710         TXMCS_CARRIEREXT        = 0x00000040,
 711         TXMCS_DEFER             = 0x00000020,
 712         TXMCS_BACKOFF           = 0x00000010,
 713         TXMCS_CARRIERSENSE      = 0x00000008,
 714         TXMCS_COLLISION         = 0x00000004,
 715         TXMCS_CRC               = 0x00000002,
 716         TXMCS_PADDING           = 0x00000001,
 717 };
 718
 719 enum jme_txmcs_values {
 720         TXMCS_IFG2_6_4          = 0x00000000,
 721         TXMCS_IFG2_8_5          = 0x40000000,
 722         TXMCS_IFG2_10_6         = 0x80000000,
 723         TXMCS_IFG2_12_7         = 0xC0000000,
 724
 725         TXMCS_IFG1_8_4          = 0x00000000,
 726         TXMCS_IFG1_12_6         = 0x10000000,
 727         TXMCS_IFG1_16_8         = 0x20000000,
 728         TXMCS_IFG1_20_10        = 0x30000000,
 729
 730         TXMCS_TTHOLD_1_8        = 0x00000000,
 731         TXMCS_TTHOLD_1_4        = 0x00000100,
 732         TXMCS_TTHOLD_1_2        = 0x00000200,
 733         TXMCS_TTHOLD_FULL       = 0x00000300,
 734
 735         TXMCS_DEFAULT           = TXMCS_IFG2_8_5 |
 736                                   TXMCS_IFG1_16_8 |
 737                                   TXMCS_TTHOLD_FULL |
 738                                   TXMCS_DEFER |
 739                                   TXMCS_CRC |
 740                                   TXMCS_PADDING,
 741 };
 742
 743 enum jme_txpfc_bits_masks {
 744         TXPFC_VLAN_TAG          = 0xFFFF0000,
 745         TXPFC_VLAN_EN           = 0x00008000,
 746         TXPFC_PF_EN             = 0x00000001,
 747 };
 748
 749 enum jme_txtrhd_bits_masks {
 750         TXTRHD_TXPEN            = 0x80000000,
 751         TXTRHD_TXP              = 0x7FFFFF00,
 752         TXTRHD_TXREN            = 0x00000080,
 753         TXTRHD_TXRL             = 0x0000007F,
 754 };
 755
 756 enum jme_txtrhd_shifts {
 757         TXTRHD_TXP_SHIFT        = 8,
 758         TXTRHD_TXRL_SHIFT       = 0,
 759 };
 760
 761 /*
 762  * RX Control/Status Bits
 763  */
 764 enum jme_rxcs_bit_masks {
 765         /* FIFO full threshold for transmitting Tx Pause Packet */
 766         RXCS_FIFOTHTP   = 0x30000000,
 767         /* FIFO threshold for processing next packet */
 768         RXCS_FIFOTHNP   = 0x0C000000,
 769         RXCS_DMAREQSZ   = 0x03000000, /* DMA Request Size */
 770         RXCS_QUEUESEL   = 0x00030000, /* Queue selection */
 771         RXCS_RETRYGAP   = 0x0000F000, /* RX Desc full retry gap */
 772         RXCS_RETRYCNT   = 0x00000F00, /* RX Desc full retry counter */
 773         RXCS_WAKEUP     = 0x00000040, /* Enable receive wakeup packet */
 774         RXCS_MAGIC      = 0x00000020, /* Enable receive magic packet */
 775         RXCS_SHORT      = 0x00000010, /* Enable receive short packet */
 776         RXCS_ABORT      = 0x00000008, /* Enable receive errorr packet */
 777         RXCS_QST        = 0x00000004, /* Receive queue start */
 778         RXCS_SUSPEND    = 0x00000002,
 779         RXCS_ENABLE     = 0x00000001,
 780 };
 781
 782 enum jme_rxcs_values {
 783         RXCS_FIFOTHTP_16T       = 0x00000000,
 784         RXCS_FIFOTHTP_32T       = 0x10000000,
 785         RXCS_FIFOTHTP_64T       = 0x20000000,
 786         RXCS_FIFOTHTP_128T      = 0x30000000,
 787
 788         RXCS_FIFOTHNP_16QW      = 0x00000000,
 789         RXCS_FIFOTHNP_32QW      = 0x04000000,
 790         RXCS_FIFOTHNP_64QW      = 0x08000000,
 791         RXCS_FIFOTHNP_128QW     = 0x0C000000,
 792
 793         RXCS_DMAREQSZ_16B       = 0x00000000,
 794         RXCS_DMAREQSZ_32B       = 0x01000000,
 795         RXCS_DMAREQSZ_64B       = 0x02000000,
 796         RXCS_DMAREQSZ_128B      = 0x03000000,
 797
 798         RXCS_QUEUESEL_Q0        = 0x00000000,
 799         RXCS_QUEUESEL_Q1        = 0x00010000,
 800         RXCS_QUEUESEL_Q2        = 0x00020000,
 801         RXCS_QUEUESEL_Q3        = 0x00030000,
 802
 803         RXCS_RETRYGAP_256ns     = 0x00000000,
 804         RXCS_RETRYGAP_512ns     = 0x00001000,
 805         RXCS_RETRYGAP_1024ns    = 0x00002000,
 806         RXCS_RETRYGAP_2048ns    = 0x00003000,
 807         RXCS_RETRYGAP_4096ns    = 0x00004000,
 808         RXCS_RETRYGAP_8192ns    = 0x00005000,
 809         RXCS_RETRYGAP_16384ns   = 0x00006000,
 810         RXCS_RETRYGAP_32768ns   = 0x00007000,
 811
 812         RXCS_RETRYCNT_0         = 0x00000000,
 813         RXCS_RETRYCNT_4         = 0x00000100,
 814         RXCS_RETRYCNT_8         = 0x00000200,
 815         RXCS_RETRYCNT_12        = 0x00000300,
 816         RXCS_RETRYCNT_16        = 0x00000400,
 817         RXCS_RETRYCNT_20        = 0x00000500,
 818         RXCS_RETRYCNT_24        = 0x00000600,
 819         RXCS_RETRYCNT_28        = 0x00000700,
 820         RXCS_RETRYCNT_32        = 0x00000800,
 821         RXCS_RETRYCNT_36        = 0x00000900,
 822         RXCS_RETRYCNT_40        = 0x00000A00,
 823         RXCS_RETRYCNT_44        = 0x00000B00,
 824         RXCS_RETRYCNT_48        = 0x00000C00,
 825         RXCS_RETRYCNT_52        = 0x00000D00,
 826         RXCS_RETRYCNT_56        = 0x00000E00,
 827         RXCS_RETRYCNT_60        = 0x00000F00,
 828
 829         RXCS_DEFAULT            = RXCS_FIFOTHTP_128T |
 830                                   RXCS_FIFOTHNP_128QW |
 831                                   RXCS_DMAREQSZ_128B |
 832                                   RXCS_RETRYGAP_256ns |
 833                                   RXCS_RETRYCNT_32,
 834 };
 835
 836 #define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */
 837
 838 /*
 839  * RX MAC Control/Status Bits
 840  */
 841 enum jme_rxmcs_bits {
 842         RXMCS_ALLFRAME          = 0x00000800,
 843         RXMCS_BRDFRAME          = 0x00000400,
 844         RXMCS_MULFRAME          = 0x00000200,
 845         RXMCS_UNIFRAME          = 0x00000100,
 846         RXMCS_ALLMULFRAME       = 0x00000080,
 847         RXMCS_MULFILTERED       = 0x00000040,
 848         RXMCS_RXCOLLDEC         = 0x00000020,
 849         RXMCS_FLOWCTRL          = 0x00000008,
 850         RXMCS_VTAGRM            = 0x00000004,
 851         RXMCS_PREPAD            = 0x00000002,
 852         RXMCS_CHECKSUM          = 0x00000001,
 853
 854         RXMCS_DEFAULT           = RXMCS_VTAGRM |
 855                                   RXMCS_PREPAD |
 856                                   RXMCS_FLOWCTRL |
 857                                   RXMCS_CHECKSUM,
 858 };
 859
 860 /*
 861  * Wakeup Frame setup interface registers
 862  */
 863 #define WAKEUP_FRAME_NR 8
 864 #define WAKEUP_FRAME_MASK_DWNR  4
 865
 866 enum jme_wfoi_bit_masks {
 867         WFOI_MASK_SEL           = 0x00000070,
 868         WFOI_CRC_SEL            = 0x00000008,
 869         WFOI_FRAME_SEL          = 0x00000007,
 870 };
 871
 872 enum jme_wfoi_shifts {
 873         WFOI_MASK_SHIFT         = 4,
 874 };
 875
 876 /*
 877  * SMI Related definitions
 878  */
 879 enum jme_smi_bit_mask {
 880         SMI_DATA_MASK           = 0xFFFF0000,
 881         SMI_REG_ADDR_MASK       = 0x0000F800,
 882         SMI_PHY_ADDR_MASK       = 0x000007C0,
 883         SMI_OP_WRITE            = 0x00000020,
 884         /* Set to 1, after req done it'll be cleared to 0 */
 885         SMI_OP_REQ              = 0x00000010,
 886         SMI_OP_MDIO             = 0x00000008, /* Software assess In/Out */
 887         SMI_OP_MDOE             = 0x00000004, /* Software Output Enable */
 888         SMI_OP_MDC              = 0x00000002, /* Software CLK Control */
 889         SMI_OP_MDEN             = 0x00000001, /* Software access Enable */
 890 };
 891
 892 enum jme_smi_bit_shift {
 893         SMI_DATA_SHIFT          = 16,
 894         SMI_REG_ADDR_SHIFT      = 11,
 895         SMI_PHY_ADDR_SHIFT      = 6,
 896 };
 897
 898 static inline u32 smi_reg_addr(int x)
 899 {
 900         return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK;
 901 }
 902
 903 static inline u32 smi_phy_addr(int x)
 904 {
 905         return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK;
 906 }
 907
 908 #define JME_PHY_TIMEOUT 100 /* 100 msec */
 909 #define JME_PHY_REG_NR 32
 910
 911 /*
 912  * Global Host Control
 913  */
 914 enum jme_ghc_bit_mask {
 915         GHC_SWRST               = 0x40000000,
 916         GHC_DPX                 = 0x00000040,
 917         GHC_SPEED               = 0x00000030,
 918         GHC_LINK_POLL           = 0x00000001,
 919 };
 920
 921 enum jme_ghc_speed_val {
 922         GHC_SPEED_10M           = 0x00000010,
 923         GHC_SPEED_100M          = 0x00000020,
 924         GHC_SPEED_1000M         = 0x00000030,
 925 };
 926
 927 enum jme_ghc_to_clk {
 928         GHC_TO_CLK_OFF          = 0x00000000,
 929         GHC_TO_CLK_GPHY         = 0x00400000,
 930         GHC_TO_CLK_PCIE         = 0x00800000,
 931         GHC_TO_CLK_INVALID      = 0x00C00000,
 932 };
 933
 934 enum jme_ghc_txmac_clk {
 935         GHC_TXMAC_CLK_OFF       = 0x00000000,
 936         GHC_TXMAC_CLK_GPHY      = 0x00100000,
 937         GHC_TXMAC_CLK_PCIE      = 0x00200000,
 938         GHC_TXMAC_CLK_INVALID   = 0x00300000,
 939 };
 940
 941 /*
 942  * Power management control and status register
 943  */
 944 enum jme_pmcs_bit_masks {
 945         PMCS_WF7DET     = 0x80000000,
 946         PMCS_WF6DET     = 0x40000000,
 947         PMCS_WF5DET     = 0x20000000,
 948         PMCS_WF4DET     = 0x10000000,
 949         PMCS_WF3DET     = 0x08000000,
 950         PMCS_WF2DET     = 0x04000000,
 951         PMCS_WF1DET     = 0x02000000,
 952         PMCS_WF0DET     = 0x01000000,
 953         PMCS_LFDET      = 0x00040000,
 954         PMCS_LRDET      = 0x00020000,
 955         PMCS_MFDET      = 0x00010000,
 956         PMCS_WF7EN      = 0x00008000,
 957         PMCS_WF6EN      = 0x00004000,
 958         PMCS_WF5EN      = 0x00002000,
 959         PMCS_WF4EN      = 0x00001000,
 960         PMCS_WF3EN      = 0x00000800,
 961         PMCS_WF2EN      = 0x00000400,
 962         PMCS_WF1EN      = 0x00000200,
 963         PMCS_WF0EN      = 0x00000100,
 964         PMCS_LFEN       = 0x00000004,
 965         PMCS_LREN       = 0x00000002,
 966         PMCS_MFEN       = 0x00000001,
 967 };
 968
 969 /*
 970  * Giga PHY Status Registers
 971  */
 972 enum jme_phy_link_bit_mask {
 973         PHY_LINK_SPEED_MASK             = 0x0000C000,
 974         PHY_LINK_DUPLEX                 = 0x00002000,
 975         PHY_LINK_SPEEDDPU_RESOLVED      = 0x00000800,
 976         PHY_LINK_UP                     = 0x00000400,
 977         PHY_LINK_AUTONEG_COMPLETE       = 0x00000200,
 978         PHY_LINK_MDI_STAT               = 0x00000040,
 979 };
 980
 981 enum jme_phy_link_speed_val {
 982         PHY_LINK_SPEED_10M              = 0x00000000,
 983         PHY_LINK_SPEED_100M             = 0x00004000,
 984         PHY_LINK_SPEED_1000M            = 0x00008000,
 985 };
 986
 987 #define JME_SPDRSV_TIMEOUT      500     /* 500 us */
 988
 989 /*
 990  * SMB Control and Status
 991  */
 992 enum jme_smbcsr_bit_mask {
 993         SMBCSR_CNACK    = 0x00020000,
 994         SMBCSR_RELOAD   = 0x00010000,
 995         SMBCSR_EEPROMD  = 0x00000020,
 996         SMBCSR_INITDONE = 0x00000010,
 997         SMBCSR_BUSY     = 0x0000000F,
 998 };
 999
1000 enum jme_smbintf_bit_mask {
1001         SMBINTF_HWDATR  = 0xFF000000,
1002         SMBINTF_HWDATW  = 0x00FF0000,
1003         SMBINTF_HWADDR  = 0x0000FF00,
1004         SMBINTF_HWRWN   = 0x00000020,
1005         SMBINTF_HWCMD   = 0x00000010,
1006         SMBINTF_FASTM   = 0x00000008,
1007         SMBINTF_GPIOSCL = 0x00000004,
1008         SMBINTF_GPIOSDA = 0x00000002,
1009         SMBINTF_GPIOEN  = 0x00000001,
1010 };
1011
1012 enum jme_smbintf_vals {
1013         SMBINTF_HWRWN_READ      = 0x00000020,
1014         SMBINTF_HWRWN_WRITE     = 0x00000000,
1015 };
1016
1017 enum jme_smbintf_shifts {
1018         SMBINTF_HWDATR_SHIFT    = 24,
1019         SMBINTF_HWDATW_SHIFT    = 16,
1020         SMBINTF_HWADDR_SHIFT    = 8,
1021 };
1022
1023 #define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */
1024 #define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */
1025 #define JME_SMB_LEN 256
1026 #define JME_EEPROM_MAGIC 0x250
1027
1028 /*
1029  * Timer Control/Status Register
1030  */
1031 enum jme_tmcsr_bit_masks {
1032         TMCSR_SWIT      = 0x80000000,
1033         TMCSR_EN        = 0x01000000,
1034         TMCSR_CNT       = 0x00FFFFFF,
1035 };
1036
1037 /*
1038  * General Purpose REG-0
1039  */
1040 enum jme_gpreg0_masks {
1041         GPREG0_DISSH            = 0xFF000000,
1042         GPREG0_PCIRLMT          = 0x00300000,
1043         GPREG0_PCCNOMUTCLR      = 0x00040000,
1044         GPREG0_LNKINTPOLL       = 0x00001000,
1045         GPREG0_PCCTMR           = 0x00000300,
1046         GPREG0_PHYADDR          = 0x0000001F,
1047 };
1048
1049 enum jme_gpreg0_vals {
1050         GPREG0_DISSH_DW7        = 0x80000000,
1051         GPREG0_DISSH_DW6        = 0x40000000,
1052         GPREG0_DISSH_DW5        = 0x20000000,
1053         GPREG0_DISSH_DW4        = 0x10000000,
1054         GPREG0_DISSH_DW3        = 0x08000000,
1055         GPREG0_DISSH_DW2        = 0x04000000,
1056         GPREG0_DISSH_DW1        = 0x02000000,
1057         GPREG0_DISSH_DW0        = 0x01000000,
1058         GPREG0_DISSH_ALL        = 0xFF000000,
1059
1060         GPREG0_PCIRLMT_8        = 0x00000000,
1061         GPREG0_PCIRLMT_6        = 0x00100000,
1062         GPREG0_PCIRLMT_5        = 0x00200000,
1063         GPREG0_PCIRLMT_4        = 0x00300000,
1064
1065         GPREG0_PCCTMR_16ns      = 0x00000000,
1066         GPREG0_PCCTMR_256ns     = 0x00000100,
1067         GPREG0_PCCTMR_1us       = 0x00000200,
1068         GPREG0_PCCTMR_1ms       = 0x00000300,
1069
1070         GPREG0_PHYADDR_1        = 0x00000001,
1071
1072         GPREG0_DEFAULT          = GPREG0_PCIRLMT_4 |
1073                                   GPREG0_PCCTMR_1us |
1074                                   GPREG0_PHYADDR_1,
1075 };
1076
1077 /*
1078  * General Purpose REG-1
1079  * Note: All theses bits defined here are for
1080  *       Chip mode revision 0x11 only
1081  */
1082 enum jme_gpreg1_masks {
1083         GPREG1_INTRDELAYUNIT    = 0x00000018,
1084         GPREG1_INTRDELAYENABLE  = 0x00000007,
1085 };
1086
1087 enum jme_gpreg1_vals {
1088         GPREG1_RSSPATCH         = 0x00000040,
1089         GPREG1_HALFMODEPATCH    = 0x00000020,
1090
1091         GPREG1_INTDLYUNIT_16NS  = 0x00000000,
1092         GPREG1_INTDLYUNIT_256NS = 0x00000008,
1093         GPREG1_INTDLYUNIT_1US   = 0x00000010,
1094         GPREG1_INTDLYUNIT_16US  = 0x00000018,
1095
1096         GPREG1_INTDLYEN_1U      = 0x00000001,
1097         GPREG1_INTDLYEN_2U      = 0x00000002,
1098         GPREG1_INTDLYEN_3U      = 0x00000003,
1099         GPREG1_INTDLYEN_4U      = 0x00000004,
1100         GPREG1_INTDLYEN_5U      = 0x00000005,
1101         GPREG1_INTDLYEN_6U      = 0x00000006,
1102         GPREG1_INTDLYEN_7U      = 0x00000007,
1103
1104         GPREG1_DEFAULT          = 0x00000000,
1105 };
1106
1107 /*
1108  * Interrupt Status Bits
1109  */
1110 enum jme_interrupt_bits {
1111         INTR_SWINTR     = 0x80000000,
1112         INTR_TMINTR     = 0x40000000,
1113         INTR_LINKCH     = 0x20000000,
1114         INTR_PAUSERCV   = 0x10000000,
1115         INTR_MAGICRCV   = 0x08000000,
1116         INTR_WAKERCV    = 0x04000000,
1117         INTR_PCCRX0TO   = 0x02000000,
1118         INTR_PCCRX1TO   = 0x01000000,
1119         INTR_PCCRX2TO   = 0x00800000,
1120         INTR_PCCRX3TO   = 0x00400000,
1121         INTR_PCCTXTO    = 0x00200000,
1122         INTR_PCCRX0     = 0x00100000,
1123         INTR_PCCRX1     = 0x00080000,
1124         INTR_PCCRX2     = 0x00040000,
1125         INTR_PCCRX3     = 0x00020000,
1126         INTR_PCCTX      = 0x00010000,
1127         INTR_RX3EMP     = 0x00008000,
1128         INTR_RX2EMP     = 0x00004000,
1129         INTR_RX1EMP     = 0x00002000,
1130         INTR_RX0EMP     = 0x00001000,
1131         INTR_RX3        = 0x00000800,
1132         INTR_RX2        = 0x00000400,
1133         INTR_RX1        = 0x00000200,
1134         INTR_RX0        = 0x00000100,
1135         INTR_TX7        = 0x00000080,
1136         INTR_TX6        = 0x00000040,
1137         INTR_TX5        = 0x00000020,
1138         INTR_TX4        = 0x00000010,
1139         INTR_TX3        = 0x00000008,
1140         INTR_TX2        = 0x00000004,
1141         INTR_TX1        = 0x00000002,
1142         INTR_TX0        = 0x00000001,
1143 };
1144
1145 static const u32 INTR_ENABLE = INTR_SWINTR |
1146                                  INTR_TMINTR |
1147                                  INTR_LINKCH |
1148                                  INTR_PCCRX0TO |
1149                                  INTR_PCCRX0 |
1150                                  INTR_PCCTXTO |
1151                                  INTR_PCCTX |
1152                                  INTR_RX0EMP;
1153
1154 /*
1155  * PCC Control Registers
1156  */
1157 enum jme_pccrx_masks {
1158         PCCRXTO_MASK    = 0xFFFF0000,
1159         PCCRX_MASK      = 0x0000FF00,
1160 };
1161
1162 enum jme_pcctx_masks {
1163         PCCTXTO_MASK    = 0xFFFF0000,
1164         PCCTX_MASK      = 0x0000FF00,
1165         PCCTX_QS_MASK   = 0x000000FF,
1166 };
1167
1168 enum jme_pccrx_shifts {
1169         PCCRXTO_SHIFT   = 16,
1170         PCCRX_SHIFT     = 8,
1171 };
1172
1173 enum jme_pcctx_shifts {
1174         PCCTXTO_SHIFT   = 16,
1175         PCCTX_SHIFT     = 8,
1176 };
1177
1178 enum jme_pcctx_bits {
1179         PCCTXQ0_EN      = 0x00000001,
1180         PCCTXQ1_EN      = 0x00000002,
1181         PCCTXQ2_EN      = 0x00000004,
1182         PCCTXQ3_EN      = 0x00000008,
1183         PCCTXQ4_EN      = 0x00000010,
1184         PCCTXQ5_EN      = 0x00000020,
1185         PCCTXQ6_EN      = 0x00000040,
1186         PCCTXQ7_EN      = 0x00000080,
1187 };
1188
1189 /*
1190  * Chip Mode Register
1191  */
1192 enum jme_chipmode_bit_masks {
1193         CM_FPGAVER_MASK         = 0xFFFF0000,
1194         CM_CHIPREV_MASK         = 0x0000FF00,
1195         CM_CHIPMODE_MASK        = 0x0000000F,
1196 };
1197
1198 enum jme_chipmode_shifts {
1199         CM_FPGAVER_SHIFT        = 16,
1200         CM_CHIPREV_SHIFT        = 8,
1201 };
1202
1203 /*
1204  * Shadow base address register bits
1205  */
1206 enum jme_shadow_base_address_bits {
1207         SHBA_POSTEN     = 0x1,
1208 };
1209
1210 /*
1211  * Aggressive Power Mode Control
1212  */
1213 enum jme_apmc_bits {
1214         JME_APMC_PCIE_SD_EN     = 0x40000000,
1215         JME_APMC_PSEUDO_HP_EN   = 0x20000000,
1216         JME_APMC_EPIEN          = 0x04000000,
1217         JME_APMC_EPIEN_CTRL     = 0x03000000,
1218 };
1219
1220 enum jme_apmc_values {
1221         JME_APMC_EPIEN_CTRL_EN  = 0x02000000,
1222         JME_APMC_EPIEN_CTRL_DIS = 0x01000000,
1223 };
1224
1225 #define APMC_PHP_SHUTDOWN_DELAY (10 * 1000 * 1000)
1226
1227 #ifdef REG_DEBUG
1228 static char *MAC_REG_NAME[] = {
1229         "JME_TXCS",      "JME_TXDBA_LO",  "JME_TXDBA_HI", "JME_TXQDC",
1230         "JME_TXNDA",     "JME_TXMCS",     "JME_TXPFC",    "JME_TXTRHD",
1231         "JME_RXCS",      "JME_RXDBA_LO",  "JME_RXDBA_HI", "JME_RXQDC",
1232         "JME_RXNDA",     "JME_RXMCS",     "JME_RXUMA_LO", "JME_RXUMA_HI",
1233         "JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP",    "JME_WFOI",
1234         "JME_SMI",       "JME_GHC",       "UNKNOWN",      "UNKNOWN",
1235         "JME_PMCS"};
1236
1237 static char *PE_REG_NAME[] = {
1238         "UNKNOWN",      "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1239         "UNKNOWN",      "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1240         "UNKNOWN",      "UNKNOWN",     "JME_PHY_CS", "UNKNOWN",
1241         "JME_PHY_LINK", "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1242         "JME_SMBCSR",   "JME_SMBINTF"};
1243
1244 static char *MISC_REG_NAME[] = {
1245         "JME_TMCSR",  "JME_GPIO",     "JME_GPREG0",  "JME_GPREG1",
1246         "JME_IEVE",   "JME_IREQ",     "JME_IENS",    "JME_IENC",
1247         "JME_PCCRX0", "JME_PCCRX1",   "JME_PCCRX2",  "JME_PCCRX3",
1248         "JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO",
1249         "UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1250         "UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1251         "UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1252         "JME_TIMER1", "JME_TIMER2",   "UNKNOWN",     "JME_APMC",
1253         "JME_PCCSRX0"};
1254
1255 static inline void reg_dbg(const struct jme_adapter *jme,
1256                 const char *msg, u32 val, u32 reg)
1257 {
1258         const char *regname;
1259         switch (reg & 0xF00) {
1260         case 0x000:
1261                 regname = MAC_REG_NAME[(reg & 0xFF) >> 2];
1262                 break;
1263         case 0x400:
1264                 regname = PE_REG_NAME[(reg & 0xFF) >> 2];
1265                 break;
1266         case 0x800:
1267                 regname = MISC_REG_NAME[(reg & 0xFF) >> 2];
1268                 break;
1269         default:
1270                 regname = PE_REG_NAME[0];
1271         }
1272         printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name,
1273                         msg, val, regname);
1274 }
1275 #else
1276 static inline void reg_dbg(const struct jme_adapter *jme,
1277                 const char *msg, u32 val, u32 reg) {}
1278 #endif
1279
1280 /*
1281  * Read/Write MMaped I/O Registers
1282  */
1283 static inline u32 jread32(struct jme_adapter *jme, u32 reg)
1284 {
1285         return readl(jme->regs + reg);
1286 }
1287
1288 static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val)
1289 {
1290         reg_dbg(jme, "REG WRITE", val, reg);
1291         writel(val, jme->regs + reg);
1292         reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1293 }
1294
1295 static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val)
1296 {
1297         /*
1298          * Read after write should cause flush
1299          */
1300         reg_dbg(jme, "REG WRITE FLUSH", val, reg);
1301         writel(val, jme->regs + reg);
1302         readl(jme->regs + reg);
1303         reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1304 }
1305
1306 /*
1307  * PHY Regs
1308  */
1309 enum jme_phy_reg17_bit_masks {
1310         PREG17_SPEED            = 0xC000,
1311         PREG17_DUPLEX           = 0x2000,
1312         PREG17_SPDRSV           = 0x0800,
1313         PREG17_LNKUP            = 0x0400,
1314         PREG17_MDI              = 0x0040,
1315 };
1316
1317 enum jme_phy_reg17_vals {
1318         PREG17_SPEED_10M        = 0x0000,
1319         PREG17_SPEED_100M       = 0x4000,
1320         PREG17_SPEED_1000M      = 0x8000,
1321 };
1322
1323 #define BMSR_ANCOMP               0x0020
1324
1325 /*
1326  * Workaround
1327  */
1328 static inline int is_buggy250(unsigned short device, unsigned int chiprev)
1329 {
1330         return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11;
1331 }
1332
1333 /*
1334  * Function prototypes
1335  */
1336 static int jme_set_settings(struct net_device *netdev,
1337                                 struct ethtool_cmd *ecmd);
1338 static void jme_set_multi(struct net_device *netdev);
1339
1340 #endif