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