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