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