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