1/*====================================================================== 2 fmvj18x_cs.c 2.8 2002/03/23 3 4 A fmvj18x (and its compatibles) PCMCIA client driver 5 6 Contributed by Shingo Fujimoto, shingo@flab.fujitsu.co.jp 7 8 TDK LAK-CD021 and CONTEC C-NET(PC)C support added by 9 Nobuhiro Katayama, kata-n@po.iijnet.or.jp 10 11 The PCMCIA client code is based on code written by David Hinds. 12 Network code is based on the "FMV-18x driver" by Yutaka TAMIYA 13 but is actually largely Donald Becker's AT1700 driver, which 14 carries the following attribution: 15 16 Written 1993-94 by Donald Becker. 17 18 Copyright 1993 United States Government as represented by the 19 Director, National Security Agency. 20 21 This software may be used and distributed according to the terms 22 of the GNU General Public License, incorporated herein by reference. 23 24 The author may be reached as becker@scyld.com, or C/O 25 Scyld Computing Corporation 26 410 Severn Ave., Suite 210 27 Annapolis MD 21403 28 29======================================================================*/ 30 31#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 32 33#define DRV_NAME "fmvj18x_cs" 34#define DRV_VERSION "2.9" 35 36#include <linux/module.h> 37#include <linux/kernel.h> 38#include <linux/init.h> 39#include <linux/ptrace.h> 40#include <linux/slab.h> 41#include <linux/string.h> 42#include <linux/timer.h> 43#include <linux/interrupt.h> 44#include <linux/in.h> 45#include <linux/delay.h> 46#include <linux/ethtool.h> 47#include <linux/netdevice.h> 48#include <linux/etherdevice.h> 49#include <linux/skbuff.h> 50#include <linux/if_arp.h> 51#include <linux/ioport.h> 52#include <linux/crc32.h> 53 54#include <pcmcia/cistpl.h> 55#include <pcmcia/ciscode.h> 56#include <pcmcia/ds.h> 57 58#include <asm/uaccess.h> 59#include <asm/io.h> 60 61/*====================================================================*/ 62 63/* Module parameters */ 64 65MODULE_DESCRIPTION("fmvj18x and compatible PCMCIA ethernet driver"); 66MODULE_LICENSE("GPL"); 67 68#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0) 69 70/* SRAM configuration */ 71/* 0:4KB*2 TX buffer else:8KB*2 TX buffer */ 72INT_MODULE_PARM(sram_config, 0); 73 74 75/*====================================================================*/ 76/* 77 PCMCIA event handlers 78 */ 79static int fmvj18x_config(struct pcmcia_device *link); 80static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id); 81static int fmvj18x_setup_mfc(struct pcmcia_device *link); 82static void fmvj18x_release(struct pcmcia_device *link); 83static void fmvj18x_detach(struct pcmcia_device *p_dev); 84 85/* 86 LAN controller(MBH86960A) specific routines 87 */ 88static int fjn_config(struct net_device *dev, struct ifmap *map); 89static int fjn_open(struct net_device *dev); 90static int fjn_close(struct net_device *dev); 91static netdev_tx_t fjn_start_xmit(struct sk_buff *skb, 92 struct net_device *dev); 93static irqreturn_t fjn_interrupt(int irq, void *dev_id); 94static void fjn_rx(struct net_device *dev); 95static void fjn_reset(struct net_device *dev); 96static void set_rx_mode(struct net_device *dev); 97static void fjn_tx_timeout(struct net_device *dev); 98static const struct ethtool_ops netdev_ethtool_ops; 99 100/* 101 card type 102 */ 103typedef enum { MBH10302, MBH10304, TDK, CONTEC, LA501, UNGERMANN, 104 XXX10304, NEC, KME 105} cardtype_t; 106 107/* 108 driver specific data structure 109*/ 110typedef struct local_info_t { 111 struct pcmcia_device *p_dev; 112 long open_time; 113 uint tx_started:1; 114 uint tx_queue; 115 u_short tx_queue_len; 116 cardtype_t cardtype; 117 u_short sent; 118 u_char __iomem *base; 119} local_info_t; 120 121#define MC_FILTERBREAK 64 122 123/*====================================================================*/ 124/* 125 ioport offset from the base address 126 */ 127#define TX_STATUS 0 /* transmit status register */ 128#define RX_STATUS 1 /* receive status register */ 129#define TX_INTR 2 /* transmit interrupt mask register */ 130#define RX_INTR 3 /* receive interrupt mask register */ 131#define TX_MODE 4 /* transmit mode register */ 132#define RX_MODE 5 /* receive mode register */ 133#define CONFIG_0 6 /* configuration register 0 */ 134#define CONFIG_1 7 /* configuration register 1 */ 135 136#define NODE_ID 8 /* node ID register (bank 0) */ 137#define MAR_ADR 8 /* multicast address registers (bank 1) */ 138 139#define DATAPORT 8 /* buffer mem port registers (bank 2) */ 140#define TX_START 10 /* transmit start register */ 141#define COL_CTRL 11 /* 16 collision control register */ 142#define BMPR12 12 /* reserved */ 143#define BMPR13 13 /* reserved */ 144#define RX_SKIP 14 /* skip received packet register */ 145 146#define LAN_CTRL 16 /* LAN card control register */ 147 148#define MAC_ID 0x1a /* hardware address */ 149#define UNGERMANN_MAC_ID 0x18 /* UNGERMANN-BASS hardware address */ 150 151/* 152 control bits 153 */ 154#define ENA_TMT_OK 0x80 155#define ENA_TMT_REC 0x20 156#define ENA_COL 0x04 157#define ENA_16_COL 0x02 158#define ENA_TBUS_ERR 0x01 159 160#define ENA_PKT_RDY 0x80 161#define ENA_BUS_ERR 0x40 162#define ENA_LEN_ERR 0x08 163#define ENA_ALG_ERR 0x04 164#define ENA_CRC_ERR 0x02 165#define ENA_OVR_FLO 0x01 166 167/* flags */ 168#define F_TMT_RDY 0x80 /* can accept new packet */ 169#define F_NET_BSY 0x40 /* carrier is detected */ 170#define F_TMT_OK 0x20 /* send packet successfully */ 171#define F_SRT_PKT 0x10 /* short packet error */ 172#define F_COL_ERR 0x04 /* collision error */ 173#define F_16_COL 0x02 /* 16 collision error */ 174#define F_TBUS_ERR 0x01 /* bus read error */ 175 176#define F_PKT_RDY 0x80 /* packet(s) in buffer */ 177#define F_BUS_ERR 0x40 /* bus read error */ 178#define F_LEN_ERR 0x08 /* short packet */ 179#define F_ALG_ERR 0x04 /* frame error */ 180#define F_CRC_ERR 0x02 /* CRC error */ 181#define F_OVR_FLO 0x01 /* overflow error */ 182 183#define F_BUF_EMP 0x40 /* receive buffer is empty */ 184 185#define F_SKP_PKT 0x05 /* drop packet in buffer */ 186 187/* default bitmaps */ 188#define D_TX_INTR ( ENA_TMT_OK ) 189#define D_RX_INTR ( ENA_PKT_RDY | ENA_LEN_ERR \ 190 | ENA_ALG_ERR | ENA_CRC_ERR | ENA_OVR_FLO ) 191#define TX_STAT_M ( F_TMT_RDY ) 192#define RX_STAT_M ( F_PKT_RDY | F_LEN_ERR \ 193 | F_ALG_ERR | F_CRC_ERR | F_OVR_FLO ) 194 195/* commands */ 196#define D_TX_MODE 0x06 /* no tests, detect carrier */ 197#define ID_MATCHED 0x02 /* (RX_MODE) */ 198#define RECV_ALL 0x03 /* (RX_MODE) */ 199#define CONFIG0_DFL 0x5a /* 16bit bus, 4K x 2 Tx queues */ 200#define CONFIG0_DFL_1 0x5e /* 16bit bus, 8K x 2 Tx queues */ 201#define CONFIG0_RST 0xda /* Data Link Controller off (CONFIG_0) */ 202#define CONFIG0_RST_1 0xde /* Data Link Controller off (CONFIG_0) */ 203#define BANK_0 0xa0 /* bank 0 (CONFIG_1) */ 204#define BANK_1 0xa4 /* bank 1 (CONFIG_1) */ 205#define BANK_2 0xa8 /* bank 2 (CONFIG_1) */ 206#define CHIP_OFF 0x80 /* contrl chip power off (CONFIG_1) */ 207#define DO_TX 0x80 /* do transmit packet */ 208#define SEND_PKT 0x81 /* send a packet */ 209#define AUTO_MODE 0x07 /* Auto skip packet on 16 col detected */ 210#define MANU_MODE 0x03 /* Stop and skip packet on 16 col */ 211#define TDK_AUTO_MODE 0x47 /* Auto skip packet on 16 col detected */ 212#define TDK_MANU_MODE 0x43 /* Stop and skip packet on 16 col */ 213#define INTR_OFF 0x0d /* LAN controller ignores interrupts */ 214#define INTR_ON 0x1d /* LAN controller will catch interrupts */ 215 216#define TX_TIMEOUT ((400*HZ)/1000) 217 218#define BANK_0U 0x20 /* bank 0 (CONFIG_1) */ 219#define BANK_1U 0x24 /* bank 1 (CONFIG_1) */ 220#define BANK_2U 0x28 /* bank 2 (CONFIG_1) */ 221 222static const struct net_device_ops fjn_netdev_ops = { 223 .ndo_open = fjn_open, 224 .ndo_stop = fjn_close, 225 .ndo_start_xmit = fjn_start_xmit, 226 .ndo_tx_timeout = fjn_tx_timeout, 227 .ndo_set_config = fjn_config, 228 .ndo_set_rx_mode = set_rx_mode, 229 .ndo_change_mtu = eth_change_mtu, 230 .ndo_set_mac_address = eth_mac_addr, 231 .ndo_validate_addr = eth_validate_addr, 232}; 233 234static int fmvj18x_probe(struct pcmcia_device *link) 235{ 236 local_info_t *lp; 237 struct net_device *dev; 238 239 dev_dbg(&link->dev, "fmvj18x_attach()\n"); 240 241 /* Make up a FMVJ18x specific data structure */ 242 dev = alloc_etherdev(sizeof(local_info_t)); 243 if (!dev) 244 return -ENOMEM; 245 lp = netdev_priv(dev); 246 link->priv = dev; 247 lp->p_dev = link; 248 lp->base = NULL; 249 250 /* The io structure describes IO port mapping */ 251 link->resource[0]->end = 32; 252 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; 253 254 /* General socket configuration */ 255 link->config_flags |= CONF_ENABLE_IRQ; 256 257 dev->netdev_ops = &fjn_netdev_ops; 258 dev->watchdog_timeo = TX_TIMEOUT; 259 260 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); 261 262 return fmvj18x_config(link); 263} /* fmvj18x_attach */ 264 265/*====================================================================*/ 266 267static void fmvj18x_detach(struct pcmcia_device *link) 268{ 269 struct net_device *dev = link->priv; 270 271 dev_dbg(&link->dev, "fmvj18x_detach\n"); 272 273 unregister_netdev(dev); 274 275 fmvj18x_release(link); 276 277 free_netdev(dev); 278} /* fmvj18x_detach */ 279 280/*====================================================================*/ 281 282static int mfc_try_io_port(struct pcmcia_device *link) 283{ 284 int i, ret; 285 static const unsigned int serial_base[5] = 286 { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 }; 287 288 for (i = 0; i < 5; i++) { 289 link->resource[1]->start = serial_base[i]; 290 link->resource[1]->flags |= IO_DATA_PATH_WIDTH_8; 291 if (link->resource[1]->start == 0) { 292 link->resource[1]->end = 0; 293 pr_notice("out of resource for serial\n"); 294 } 295 ret = pcmcia_request_io(link); 296 if (ret == 0) 297 return ret; 298 } 299 return ret; 300} 301 302static int ungermann_try_io_port(struct pcmcia_device *link) 303{ 304 int ret; 305 unsigned int ioaddr; 306 /* 307 Ungermann-Bass Access/CARD accepts 0x300,0x320,0x340,0x360 308 0x380,0x3c0 only for ioport. 309 */ 310 for (ioaddr = 0x300; ioaddr < 0x3e0; ioaddr += 0x20) { 311 link->resource[0]->start = ioaddr; 312 ret = pcmcia_request_io(link); 313 if (ret == 0) { 314 /* calculate ConfigIndex value */ 315 link->config_index = 316 ((link->resource[0]->start & 0x0f0) >> 3) | 0x22; 317 return ret; 318 } 319 } 320 return ret; /* RequestIO failed */ 321} 322 323static int fmvj18x_ioprobe(struct pcmcia_device *p_dev, void *priv_data) 324{ 325 return 0; /* strange, but that's what the code did already before... */ 326} 327 328static int fmvj18x_config(struct pcmcia_device *link) 329{ 330 struct net_device *dev = link->priv; 331 local_info_t *lp = netdev_priv(dev); 332 int i, ret; 333 unsigned int ioaddr; 334 cardtype_t cardtype; 335 char *card_name = "unknown"; 336 u8 *buf; 337 size_t len; 338 u_char buggybuf[32]; 339 340 dev_dbg(&link->dev, "fmvj18x_config\n"); 341 342 link->io_lines = 5; 343 344 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf); 345 kfree(buf); 346 347 if (len) { 348 /* Yes, I have CISTPL_FUNCE. Let's check CISTPL_MANFID */ 349 ret = pcmcia_loop_config(link, fmvj18x_ioprobe, NULL); 350 if (ret != 0) 351 goto failed; 352 353 switch (link->manf_id) { 354 case MANFID_TDK: 355 cardtype = TDK; 356 if (link->card_id == PRODID_TDK_GN3410 || 357 link->card_id == PRODID_TDK_NP9610 || 358 link->card_id == PRODID_TDK_MN3200) { 359 /* MultiFunction Card */ 360 link->config_base = 0x800; 361 link->config_index = 0x47; 362 link->resource[1]->end = 8; 363 } 364 break; 365 case MANFID_NEC: 366 cardtype = NEC; /* MultiFunction Card */ 367 link->config_base = 0x800; 368 link->config_index = 0x47; 369 link->resource[1]->end = 8; 370 break; 371 case MANFID_KME: 372 cardtype = KME; /* MultiFunction Card */ 373 link->config_base = 0x800; 374 link->config_index = 0x47; 375 link->resource[1]->end = 8; 376 break; 377 case MANFID_CONTEC: 378 cardtype = CONTEC; 379 break; 380 case MANFID_FUJITSU: 381 if (link->config_base == 0x0fe0) 382 cardtype = MBH10302; 383 else if (link->card_id == PRODID_FUJITSU_MBH10302) 384 /* RATOC REX-5588/9822/4886's PRODID are 0004(=MBH10302), 385 but these are MBH10304 based card. */ 386 cardtype = MBH10304; 387 else if (link->card_id == PRODID_FUJITSU_MBH10304) 388 cardtype = MBH10304; 389 else 390 cardtype = LA501; 391 break; 392 default: 393 cardtype = MBH10304; 394 } 395 } else { 396 /* old type card */ 397 switch (link->manf_id) { 398 case MANFID_FUJITSU: 399 if (link->card_id == PRODID_FUJITSU_MBH10304) { 400 cardtype = XXX10304; /* MBH10304 with buggy CIS */ 401 link->config_index = 0x20; 402 } else { 403 cardtype = MBH10302; /* NextCom NC5310, etc. */ 404 link->config_index = 1; 405 } 406 break; 407 case MANFID_UNGERMANN: 408 cardtype = UNGERMANN; 409 break; 410 default: 411 cardtype = MBH10302; 412 link->config_index = 1; 413 } 414 } 415 416 if (link->resource[1]->end != 0) { 417 ret = mfc_try_io_port(link); 418 if (ret != 0) goto failed; 419 } else if (cardtype == UNGERMANN) { 420 ret = ungermann_try_io_port(link); 421 if (ret != 0) goto failed; 422 } else { 423 ret = pcmcia_request_io(link); 424 if (ret) 425 goto failed; 426 } 427 ret = pcmcia_request_irq(link, fjn_interrupt); 428 if (ret) 429 goto failed; 430 ret = pcmcia_enable_device(link); 431 if (ret) 432 goto failed; 433 434 dev->irq = link->irq; 435 dev->base_addr = link->resource[0]->start; 436 437 if (resource_size(link->resource[1]) != 0) { 438 ret = fmvj18x_setup_mfc(link); 439 if (ret != 0) goto failed; 440 } 441 442 ioaddr = dev->base_addr; 443 444 /* Reset controller */ 445 if (sram_config == 0) 446 outb(CONFIG0_RST, ioaddr + CONFIG_0); 447 else 448 outb(CONFIG0_RST_1, ioaddr + CONFIG_0); 449 450 /* Power On chip and select bank 0 */ 451 if (cardtype == MBH10302) 452 outb(BANK_0, ioaddr + CONFIG_1); 453 else 454 outb(BANK_0U, ioaddr + CONFIG_1); 455 456 /* Set hardware address */ 457 switch (cardtype) { 458 case MBH10304: 459 case TDK: 460 case LA501: 461 case CONTEC: 462 case NEC: 463 case KME: 464 if (cardtype == MBH10304) { 465 card_name = "FMV-J182"; 466 467 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf); 468 if (len < 11) { 469 kfree(buf); 470 goto failed; 471 } 472 /* Read MACID from CIS */ 473 for (i = 5; i < 11; i++) 474 dev->dev_addr[i] = buf[i]; 475 kfree(buf); 476 } else { 477 if (pcmcia_get_mac_from_cis(link, dev)) 478 goto failed; 479 if( cardtype == TDK ) { 480 card_name = "TDK LAK-CD021"; 481 } else if( cardtype == LA501 ) { 482 card_name = "LA501"; 483 } else if( cardtype == NEC ) { 484 card_name = "PK-UG-J001"; 485 } else if( cardtype == KME ) { 486 card_name = "Panasonic"; 487 } else { 488 card_name = "C-NET(PC)C"; 489 } 490 } 491 break; 492 case UNGERMANN: 493 /* Read MACID from register */ 494 for (i = 0; i < 6; i++) 495 dev->dev_addr[i] = inb(ioaddr + UNGERMANN_MAC_ID + i); 496 card_name = "Access/CARD"; 497 break; 498 case XXX10304: 499 /* Read MACID from Buggy CIS */ 500 if (fmvj18x_get_hwinfo(link, buggybuf) == -1) { 501 pr_notice("unable to read hardware net address\n"); 502 goto failed; 503 } 504 for (i = 0 ; i < 6; i++) { 505 dev->dev_addr[i] = buggybuf[i]; 506 } 507 card_name = "FMV-J182"; 508 break; 509 case MBH10302: 510 default: 511 /* Read MACID from register */ 512 for (i = 0; i < 6; i++) 513 dev->dev_addr[i] = inb(ioaddr + MAC_ID + i); 514 card_name = "FMV-J181"; 515 break; 516 } 517 518 lp->cardtype = cardtype; 519 SET_NETDEV_DEV(dev, &link->dev); 520 521 if (register_netdev(dev) != 0) { 522 pr_notice("register_netdev() failed\n"); 523 goto failed; 524 } 525 526 /* print current configuration */ 527 netdev_info(dev, "%s, sram %s, port %#3lx, irq %d, hw_addr %pM\n", 528 card_name, sram_config == 0 ? "4K TX*2" : "8K TX*2", 529 dev->base_addr, dev->irq, dev->dev_addr); 530 531 return 0; 532 533failed: 534 fmvj18x_release(link); 535 return -ENODEV; 536} /* fmvj18x_config */ 537/*====================================================================*/ 538 539static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id) 540{ 541 u_char __iomem *base; 542 int i, j; 543 544 /* Allocate a small memory window */ 545 link->resource[2]->flags |= WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE; 546 link->resource[2]->start = 0; link->resource[2]->end = 0; 547 i = pcmcia_request_window(link, link->resource[2], 0); 548 if (i != 0) 549 return -1; 550 551 base = ioremap(link->resource[2]->start, resource_size(link->resource[2])); 552 pcmcia_map_mem_page(link, link->resource[2], 0); 553 554 /* 555 * MBH10304 CISTPL_FUNCE_LAN_NODE_ID format 556 * 22 0d xx xx xx 04 06 yy yy yy yy yy yy ff 557 * 'xx' is garbage. 558 * 'yy' is MAC address. 559 */ 560 for (i = 0; i < 0x200; i++) { 561 if (readb(base+i*2) == 0x22) { 562 if (readb(base+(i-1)*2) == 0xff && 563 readb(base+(i+5)*2) == 0x04 && 564 readb(base+(i+6)*2) == 0x06 && 565 readb(base+(i+13)*2) == 0xff) 566 break; 567 } 568 } 569 570 if (i != 0x200) { 571 for (j = 0 ; j < 6; j++,i++) { 572 node_id[j] = readb(base+(i+7)*2); 573 } 574 } 575 576 iounmap(base); 577 j = pcmcia_release_window(link, link->resource[2]); 578 return (i != 0x200) ? 0 : -1; 579 580} /* fmvj18x_get_hwinfo */ 581/*====================================================================*/ 582 583static int fmvj18x_setup_mfc(struct pcmcia_device *link) 584{ 585 int i; 586 struct net_device *dev = link->priv; 587 unsigned int ioaddr; 588 local_info_t *lp = netdev_priv(dev); 589 590 /* Allocate a small memory window */ 591 link->resource[3]->flags = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE; 592 link->resource[3]->start = link->resource[3]->end = 0; 593 i = pcmcia_request_window(link, link->resource[3], 0); 594 if (i != 0) 595 return -1; 596 597 lp->base = ioremap(link->resource[3]->start, 598 resource_size(link->resource[3])); 599 if (lp->base == NULL) { 600 netdev_notice(dev, "ioremap failed\n"); 601 return -1; 602 } 603 604 i = pcmcia_map_mem_page(link, link->resource[3], 0); 605 if (i != 0) { 606 iounmap(lp->base); 607 lp->base = NULL; 608 return -1; 609 } 610 611 ioaddr = dev->base_addr; 612 writeb(0x47, lp->base+0x800); /* Config Option Register of LAN */ 613 writeb(0x0, lp->base+0x802); /* Config and Status Register */ 614 615 writeb(ioaddr & 0xff, lp->base+0x80a); /* I/O Base(Low) of LAN */ 616 writeb((ioaddr >> 8) & 0xff, lp->base+0x80c); /* I/O Base(High) of LAN */ 617 618 writeb(0x45, lp->base+0x820); /* Config Option Register of Modem */ 619 writeb(0x8, lp->base+0x822); /* Config and Status Register */ 620 621 return 0; 622 623} 624/*====================================================================*/ 625 626static void fmvj18x_release(struct pcmcia_device *link) 627{ 628 629 struct net_device *dev = link->priv; 630 local_info_t *lp = netdev_priv(dev); 631 u_char __iomem *tmp; 632 633 dev_dbg(&link->dev, "fmvj18x_release\n"); 634 635 if (lp->base != NULL) { 636 tmp = lp->base; 637 lp->base = NULL; /* set NULL before iounmap */ 638 iounmap(tmp); 639 } 640 641 pcmcia_disable_device(link); 642 643} 644 645static int fmvj18x_suspend(struct pcmcia_device *link) 646{ 647 struct net_device *dev = link->priv; 648 649 if (link->open) 650 netif_device_detach(dev); 651 652 return 0; 653} 654 655static int fmvj18x_resume(struct pcmcia_device *link) 656{ 657 struct net_device *dev = link->priv; 658 659 if (link->open) { 660 fjn_reset(dev); 661 netif_device_attach(dev); 662 } 663 664 return 0; 665} 666 667/*====================================================================*/ 668 669static const struct pcmcia_device_id fmvj18x_ids[] = { 670 PCMCIA_DEVICE_MANF_CARD(0x0004, 0x0004), 671 PCMCIA_DEVICE_PROD_ID12("EAGLE Technology", "NE200 ETHERNET LAN MBH10302 04", 0x528c88c4, 0x74f91e59), 672 PCMCIA_DEVICE_PROD_ID12("Eiger Labs,Inc", "EPX-10BT PC Card Ethernet 10BT", 0x53af556e, 0x877f9922), 673 PCMCIA_DEVICE_PROD_ID12("Eiger labs,Inc.", "EPX-10BT PC Card Ethernet 10BT", 0xf47e6c66, 0x877f9922), 674 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "LAN Card(FMV-J182)", 0x6ee5a3d8, 0x5baf31db), 675 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "MBH10308", 0x6ee5a3d8, 0x3f04875e), 676 PCMCIA_DEVICE_PROD_ID12("FUJITSU TOWA", "LA501", 0xb8451188, 0x12939ba2), 677 PCMCIA_DEVICE_PROD_ID12("HITACHI", "HT-4840-11", 0xf4f43949, 0x773910f4), 678 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310B Ver1.0 ", 0x8cef4d3a, 0x075fc7b6), 679 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310 Ver1.0 ", 0x8cef4d3a, 0xbccf43e6), 680 PCMCIA_DEVICE_PROD_ID12("RATOC System Inc.", "10BASE_T CARD R280", 0x85c10e17, 0xd9413666), 681 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CD02x", 0x1eae9475, 0x8fa0ee70), 682 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CF010", 0x1eae9475, 0x7683bc9a), 683 PCMCIA_DEVICE_PROD_ID1("CONTEC Co.,Ltd.", 0x58d8fee2), 684 PCMCIA_DEVICE_PROD_ID1("PCMCIA LAN MBH10304 ES", 0x2599f454), 685 PCMCIA_DEVICE_PROD_ID1("PCMCIA MBH10302", 0x8f4005da), 686 PCMCIA_DEVICE_PROD_ID1("UBKK,V2.0", 0x90888080), 687 PCMCIA_PFC_DEVICE_PROD_ID12(0, "TDK", "GlobalNetworker 3410/3412", 0x1eae9475, 0xd9a93bed), 688 PCMCIA_PFC_DEVICE_PROD_ID12(0, "NEC", "PK-UG-J001" ,0x18df0ba0 ,0x831b1064), 689 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0d0a), 690 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0e0a), 691 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0e01), 692 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0a05), 693 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0b05), 694 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x1101), 695 PCMCIA_DEVICE_NULL, 696}; 697MODULE_DEVICE_TABLE(pcmcia, fmvj18x_ids); 698 699static struct pcmcia_driver fmvj18x_cs_driver = { 700 .owner = THIS_MODULE, 701 .name = "fmvj18x_cs", 702 .probe = fmvj18x_probe, 703 .remove = fmvj18x_detach, 704 .id_table = fmvj18x_ids, 705 .suspend = fmvj18x_suspend, 706 .resume = fmvj18x_resume, 707}; 708 709static int __init init_fmvj18x_cs(void) 710{ 711 return pcmcia_register_driver(&fmvj18x_cs_driver); 712} 713 714static void __exit exit_fmvj18x_cs(void) 715{ 716 pcmcia_unregister_driver(&fmvj18x_cs_driver); 717} 718 719module_init(init_fmvj18x_cs); 720module_exit(exit_fmvj18x_cs); 721 722/*====================================================================*/ 723 724static irqreturn_t fjn_interrupt(int dummy, void *dev_id) 725{ 726 struct net_device *dev = dev_id; 727 local_info_t *lp = netdev_priv(dev); 728 unsigned int ioaddr; 729 unsigned short tx_stat, rx_stat; 730 731 ioaddr = dev->base_addr; 732 733 /* avoid multiple interrupts */ 734 outw(0x0000, ioaddr + TX_INTR); 735 736 /* wait for a while */ 737 udelay(1); 738 739 /* get status */ 740 tx_stat = inb(ioaddr + TX_STATUS); 741 rx_stat = inb(ioaddr + RX_STATUS); 742 743 /* clear status */ 744 outb(tx_stat, ioaddr + TX_STATUS); 745 outb(rx_stat, ioaddr + RX_STATUS); 746 747 pr_debug("%s: interrupt, rx_status %02x.\n", dev->name, rx_stat); 748 pr_debug(" tx_status %02x.\n", tx_stat); 749 750 if (rx_stat || (inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) { 751 /* there is packet(s) in rx buffer */ 752 fjn_rx(dev); 753 } 754 if (tx_stat & F_TMT_RDY) { 755 dev->stats.tx_packets += lp->sent ; 756 lp->sent = 0 ; 757 if (lp->tx_queue) { 758 outb(DO_TX | lp->tx_queue, ioaddr + TX_START); 759 lp->sent = lp->tx_queue ; 760 lp->tx_queue = 0; 761 lp->tx_queue_len = 0; 762 dev->trans_start = jiffies; 763 } else { 764 lp->tx_started = 0; 765 } 766 netif_wake_queue(dev); 767 } 768 pr_debug("%s: exiting interrupt,\n", dev->name); 769 pr_debug(" tx_status %02x, rx_status %02x.\n", tx_stat, rx_stat); 770 771 outb(D_TX_INTR, ioaddr + TX_INTR); 772 outb(D_RX_INTR, ioaddr + RX_INTR); 773 774 if (lp->base != NULL) { 775 /* Ack interrupt for multifunction card */ 776 writeb(0x01, lp->base+0x802); 777 writeb(0x09, lp->base+0x822); 778 } 779 780 return IRQ_HANDLED; 781 782} /* fjn_interrupt */ 783 784/*====================================================================*/ 785 786static void fjn_tx_timeout(struct net_device *dev) 787{ 788 struct local_info_t *lp = netdev_priv(dev); 789 unsigned int ioaddr = dev->base_addr; 790 791 netdev_notice(dev, "transmit timed out with status %04x, %s?\n", 792 htons(inw(ioaddr + TX_STATUS)), 793 inb(ioaddr + TX_STATUS) & F_TMT_RDY 794 ? "IRQ conflict" : "network cable problem"); 795 netdev_notice(dev, "timeout registers: %04x %04x %04x " 796 "%04x %04x %04x %04x %04x.\n", 797 htons(inw(ioaddr + 0)), htons(inw(ioaddr + 2)), 798 htons(inw(ioaddr + 4)), htons(inw(ioaddr + 6)), 799 htons(inw(ioaddr + 8)), htons(inw(ioaddr + 10)), 800 htons(inw(ioaddr + 12)), htons(inw(ioaddr + 14))); 801 dev->stats.tx_errors++; 802 /* ToDo: We should try to restart the adaptor... */ 803 local_irq_disable(); 804 fjn_reset(dev); 805 806 lp->tx_started = 0; 807 lp->tx_queue = 0; 808 lp->tx_queue_len = 0; 809 lp->sent = 0; 810 lp->open_time = jiffies; 811 local_irq_enable(); 812 netif_wake_queue(dev); 813} 814 815static netdev_tx_t fjn_start_xmit(struct sk_buff *skb, 816 struct net_device *dev) 817{ 818 struct local_info_t *lp = netdev_priv(dev); 819 unsigned int ioaddr = dev->base_addr; 820 short length = skb->len; 821 822 if (length < ETH_ZLEN) 823 { 824 if (skb_padto(skb, ETH_ZLEN)) 825 return NETDEV_TX_OK; 826 length = ETH_ZLEN; 827 } 828 829 netif_stop_queue(dev); 830 831 { 832 unsigned char *buf = skb->data; 833 834 if (length > ETH_FRAME_LEN) { 835 netdev_notice(dev, "Attempting to send a large packet (%d bytes)\n", 836 length); 837 return NETDEV_TX_BUSY; 838 } 839 840 netdev_dbg(dev, "Transmitting a packet of length %lu\n", 841 (unsigned long)skb->len); 842 dev->stats.tx_bytes += skb->len; 843 844 /* Disable both interrupts. */ 845 outw(0x0000, ioaddr + TX_INTR); 846 847 /* wait for a while */ 848 udelay(1); 849 850 outw(length, ioaddr + DATAPORT); 851 outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1); 852 853 lp->tx_queue++; 854 lp->tx_queue_len += ((length+3) & ~1); 855 856 if (lp->tx_started == 0) { 857 /* If the Tx is idle, always trigger a transmit. */ 858 outb(DO_TX | lp->tx_queue, ioaddr + TX_START); 859 lp->sent = lp->tx_queue ; 860 lp->tx_queue = 0; 861 lp->tx_queue_len = 0; 862 lp->tx_started = 1; 863 netif_start_queue(dev); 864 } else { 865 if( sram_config == 0 ) { 866 if (lp->tx_queue_len < (4096 - (ETH_FRAME_LEN +2)) ) 867 /* Yes, there is room for one more packet. */ 868 netif_start_queue(dev); 869 } else { 870 if (lp->tx_queue_len < (8192 - (ETH_FRAME_LEN +2)) && 871 lp->tx_queue < 127 ) 872 /* Yes, there is room for one more packet. */ 873 netif_start_queue(dev); 874 } 875 } 876 877 /* Re-enable interrupts */ 878 outb(D_TX_INTR, ioaddr + TX_INTR); 879 outb(D_RX_INTR, ioaddr + RX_INTR); 880 } 881 dev_kfree_skb (skb); 882 883 return NETDEV_TX_OK; 884} /* fjn_start_xmit */ 885 886/*====================================================================*/ 887 888static void fjn_reset(struct net_device *dev) 889{ 890 struct local_info_t *lp = netdev_priv(dev); 891 unsigned int ioaddr = dev->base_addr; 892 int i; 893 894 netdev_dbg(dev, "fjn_reset() called\n"); 895 896 /* Reset controller */ 897 if( sram_config == 0 ) 898 outb(CONFIG0_RST, ioaddr + CONFIG_0); 899 else 900 outb(CONFIG0_RST_1, ioaddr + CONFIG_0); 901 902 /* Power On chip and select bank 0 */ 903 if (lp->cardtype == MBH10302) 904 outb(BANK_0, ioaddr + CONFIG_1); 905 else 906 outb(BANK_0U, ioaddr + CONFIG_1); 907 908 /* Set Tx modes */ 909 outb(D_TX_MODE, ioaddr + TX_MODE); 910 /* set Rx modes */ 911 outb(ID_MATCHED, ioaddr + RX_MODE); 912 913 /* Set hardware address */ 914 for (i = 0; i < 6; i++) 915 outb(dev->dev_addr[i], ioaddr + NODE_ID + i); 916 917 /* (re)initialize the multicast table */ 918 set_rx_mode(dev); 919 920 /* Switch to bank 2 (runtime mode) */ 921 if (lp->cardtype == MBH10302) 922 outb(BANK_2, ioaddr + CONFIG_1); 923 else 924 outb(BANK_2U, ioaddr + CONFIG_1); 925 926 /* set 16col ctrl bits */ 927 if( lp->cardtype == TDK || lp->cardtype == CONTEC) 928 outb(TDK_AUTO_MODE, ioaddr + COL_CTRL); 929 else 930 outb(AUTO_MODE, ioaddr + COL_CTRL); 931 932 /* clear Reserved Regs */ 933 outb(0x00, ioaddr + BMPR12); 934 outb(0x00, ioaddr + BMPR13); 935 936 /* reset Skip packet reg. */ 937 outb(0x01, ioaddr + RX_SKIP); 938 939 /* Enable Tx and Rx */ 940 if( sram_config == 0 ) 941 outb(CONFIG0_DFL, ioaddr + CONFIG_0); 942 else 943 outb(CONFIG0_DFL_1, ioaddr + CONFIG_0); 944 945 /* Init receive pointer ? */ 946 inw(ioaddr + DATAPORT); 947 inw(ioaddr + DATAPORT); 948 949 /* Clear all status */ 950 outb(0xff, ioaddr + TX_STATUS); 951 outb(0xff, ioaddr + RX_STATUS); 952 953 if (lp->cardtype == MBH10302) 954 outb(INTR_OFF, ioaddr + LAN_CTRL); 955 956 /* Turn on Rx interrupts */ 957 outb(D_TX_INTR, ioaddr + TX_INTR); 958 outb(D_RX_INTR, ioaddr + RX_INTR); 959 960 /* Turn on interrupts from LAN card controller */ 961 if (lp->cardtype == MBH10302) 962 outb(INTR_ON, ioaddr + LAN_CTRL); 963} /* fjn_reset */ 964 965/*====================================================================*/ 966 967static void fjn_rx(struct net_device *dev) 968{ 969 unsigned int ioaddr = dev->base_addr; 970 int boguscount = 10; /* 5 -> 10: by agy 19940922 */ 971 972 pr_debug("%s: in rx_packet(), rx_status %02x.\n", 973 dev->name, inb(ioaddr + RX_STATUS)); 974 975 while ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) { 976 u_short status = inw(ioaddr + DATAPORT); 977 978 netdev_dbg(dev, "Rxing packet mode %02x status %04x.\n", 979 inb(ioaddr + RX_MODE), status); 980#ifndef final_version 981 if (status == 0) { 982 outb(F_SKP_PKT, ioaddr + RX_SKIP); 983 break; 984 } 985#endif 986 if ((status & 0xF0) != 0x20) { /* There was an error. */ 987 dev->stats.rx_errors++; 988 if (status & F_LEN_ERR) dev->stats.rx_length_errors++; 989 if (status & F_ALG_ERR) dev->stats.rx_frame_errors++; 990 if (status & F_CRC_ERR) dev->stats.rx_crc_errors++; 991 if (status & F_OVR_FLO) dev->stats.rx_over_errors++; 992 } else { 993 u_short pkt_len = inw(ioaddr + DATAPORT); 994 /* Malloc up new buffer. */ 995 struct sk_buff *skb; 996 997 if (pkt_len > 1550) { 998 netdev_notice(dev, "The FMV-18x claimed a very large packet, size %d\n", 999 pkt_len); 1000 outb(F_SKP_PKT, ioaddr + RX_SKIP); 1001 dev->stats.rx_errors++; 1002 break; 1003 } 1004 skb = netdev_alloc_skb(dev, pkt_len + 2); 1005 if (skb == NULL) { 1006 netdev_notice(dev, "Memory squeeze, dropping packet (len %d)\n", 1007 pkt_len); 1008 outb(F_SKP_PKT, ioaddr + RX_SKIP); 1009 dev->stats.rx_dropped++; 1010 break; 1011 } 1012 1013 skb_reserve(skb, 2); 1014 insw(ioaddr + DATAPORT, skb_put(skb, pkt_len), 1015 (pkt_len + 1) >> 1); 1016 skb->protocol = eth_type_trans(skb, dev); 1017 1018 { 1019 int i; 1020 pr_debug("%s: Rxed packet of length %d: ", 1021 dev->name, pkt_len); 1022 for (i = 0; i < 14; i++) 1023 pr_debug(" %02x", skb->data[i]); 1024 pr_debug(".\n"); 1025 } 1026 1027 netif_rx(skb); 1028 dev->stats.rx_packets++; 1029 dev->stats.rx_bytes += pkt_len; 1030 } 1031 if (--boguscount <= 0) 1032 break; 1033 } 1034 1035 /* If any worth-while packets have been received, dev_rint() 1036 has done a netif_wake_queue() for us and will work on them 1037 when we get to the bottom-half routine. */ 1038/* 1039 if (lp->cardtype != TDK) { 1040 int i; 1041 for (i = 0; i < 20; i++) { 1042 if ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == F_BUF_EMP) 1043 break; 1044 (void)inw(ioaddr + DATAPORT); /+ dummy status read +/ 1045 outb(F_SKP_PKT, ioaddr + RX_SKIP); 1046 } 1047 1048 if (i > 0) 1049 pr_debug("%s: Exint Rx packet with mode %02x after " 1050 "%d ticks.\n", dev->name, inb(ioaddr + RX_MODE), i); 1051 } 1052*/ 1053} /* fjn_rx */ 1054 1055/*====================================================================*/ 1056 1057static void netdev_get_drvinfo(struct net_device *dev, 1058 struct ethtool_drvinfo *info) 1059{ 1060 strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); 1061 strlcpy(info->version, DRV_VERSION, sizeof(info->version)); 1062 snprintf(info->bus_info, sizeof(info->bus_info), 1063 "PCMCIA 0x%lx", dev->base_addr); 1064} 1065 1066static const struct ethtool_ops netdev_ethtool_ops = { 1067 .get_drvinfo = netdev_get_drvinfo, 1068}; 1069 1070static int fjn_config(struct net_device *dev, struct ifmap *map){ 1071 return 0; 1072} 1073 1074static int fjn_open(struct net_device *dev) 1075{ 1076 struct local_info_t *lp = netdev_priv(dev); 1077 struct pcmcia_device *link = lp->p_dev; 1078 1079 pr_debug("fjn_open('%s').\n", dev->name); 1080 1081 if (!pcmcia_dev_present(link)) 1082 return -ENODEV; 1083 1084 link->open++; 1085 1086 fjn_reset(dev); 1087 1088 lp->tx_started = 0; 1089 lp->tx_queue = 0; 1090 lp->tx_queue_len = 0; 1091 lp->open_time = jiffies; 1092 netif_start_queue(dev); 1093 1094 return 0; 1095} /* fjn_open */ 1096 1097/*====================================================================*/ 1098 1099static int fjn_close(struct net_device *dev) 1100{ 1101 struct local_info_t *lp = netdev_priv(dev); 1102 struct pcmcia_device *link = lp->p_dev; 1103 unsigned int ioaddr = dev->base_addr; 1104 1105 pr_debug("fjn_close('%s').\n", dev->name); 1106 1107 lp->open_time = 0; 1108 netif_stop_queue(dev); 1109 1110 /* Set configuration register 0 to disable Tx and Rx. */ 1111 if( sram_config == 0 ) 1112 outb(CONFIG0_RST ,ioaddr + CONFIG_0); 1113 else 1114 outb(CONFIG0_RST_1 ,ioaddr + CONFIG_0); 1115 1116 /* Update the statistics -- ToDo. */ 1117 1118 /* Power-down the chip. Green, green, green! */ 1119 outb(CHIP_OFF ,ioaddr + CONFIG_1); 1120 1121 /* Set the ethernet adaptor disable IRQ */ 1122 if (lp->cardtype == MBH10302) 1123 outb(INTR_OFF, ioaddr + LAN_CTRL); 1124 1125 link->open--; 1126 1127 return 0; 1128} /* fjn_close */ 1129 1130/*====================================================================*/ 1131 1132/* 1133 Set the multicast/promiscuous mode for this adaptor. 1134*/ 1135 1136static void set_rx_mode(struct net_device *dev) 1137{ 1138 unsigned int ioaddr = dev->base_addr; 1139 u_char mc_filter[8]; /* Multicast hash filter */ 1140 u_long flags; 1141 int i; 1142 1143 int saved_bank; 1144 int saved_config_0 = inb(ioaddr + CONFIG_0); 1145 1146 local_irq_save(flags); 1147 1148 /* Disable Tx and Rx */ 1149 if (sram_config == 0) 1150 outb(CONFIG0_RST, ioaddr + CONFIG_0); 1151 else 1152 outb(CONFIG0_RST_1, ioaddr + CONFIG_0); 1153 1154 if (dev->flags & IFF_PROMISC) { 1155 memset(mc_filter, 0xff, sizeof(mc_filter)); 1156 outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */ 1157 } else if (netdev_mc_count(dev) > MC_FILTERBREAK || 1158 (dev->flags & IFF_ALLMULTI)) { 1159 /* Too many to filter perfectly -- accept all multicasts. */ 1160 memset(mc_filter, 0xff, sizeof(mc_filter)); 1161 outb(2, ioaddr + RX_MODE); /* Use normal mode. */ 1162 } else if (netdev_mc_empty(dev)) { 1163 memset(mc_filter, 0x00, sizeof(mc_filter)); 1164 outb(1, ioaddr + RX_MODE); /* Ignore almost all multicasts. */ 1165 } else { 1166 struct netdev_hw_addr *ha; 1167 1168 memset(mc_filter, 0, sizeof(mc_filter)); 1169 netdev_for_each_mc_addr(ha, dev) { 1170 unsigned int bit = ether_crc_le(ETH_ALEN, ha->addr) >> 26; 1171 mc_filter[bit >> 3] |= (1 << (bit & 7)); 1172 } 1173 outb(2, ioaddr + RX_MODE); /* Use normal mode. */ 1174 } 1175 1176 /* Switch to bank 1 and set the multicast table. */ 1177 saved_bank = inb(ioaddr + CONFIG_1); 1178 outb(0xe4, ioaddr + CONFIG_1); 1179 1180 for (i = 0; i < 8; i++) 1181 outb(mc_filter[i], ioaddr + MAR_ADR + i); 1182 outb(saved_bank, ioaddr + CONFIG_1); 1183 1184 outb(saved_config_0, ioaddr + CONFIG_0); 1185 1186 local_irq_restore(flags); 1187} 1188