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