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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / net / ethernet / fujitsu / fmvj18x_cs.c
bloba7b7a4aace7913a9780d17ecdcaf43cab25da8d6
1 /*======================================================================
2 fmvj18x_cs.c 2.8 2002/03/23
3
4 A fmvj18x (and its compatibles) PCMCIA client driver
5
6 Contributed by Shingo Fujimoto, shingo@flab.fujitsu.co.jp
7
8 TDK LAK-CD021 and CONTEC C-NET(PC)C support added by
9 Nobuhiro Katayama, kata-n@po.iijnet.or.jp
10
11 The PCMCIA client code is based on code written by David Hinds.
12 Network code is based on the "FMV-18x driver" by Yutaka TAMIYA
13 but is actually largely Donald Becker's AT1700 driver, which
14 carries the following attribution:
15
16 Written 1993-94 by Donald Becker.
17
18 Copyright 1993 United States Government as represented by the
19 Director, National Security Agency.
20
21 This software may be used and distributed according to the terms
22 of the GNU General Public License, incorporated herein by reference.
23
24 The author may be reached as becker@scyld.com, or C/O
25 Scyld Computing Corporation
26 410 Severn Ave., Suite 210
27 Annapolis MD 21403
28
29 ======================================================================*/
30
31 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
32
33 #define DRV_NAME "fmvj18x_cs"
34 #define DRV_VERSION "2.9"
35
36 #include <linux/module.h>
37 #include <linux/kernel.h>
38 #include <linux/ptrace.h>
39 #include <linux/slab.h>
40 #include <linux/string.h>
41 #include <linux/timer.h>
42 #include <linux/interrupt.h>
43 #include <linux/in.h>
44 #include <linux/delay.h>
45 #include <linux/ethtool.h>
46 #include <linux/netdevice.h>
47 #include <linux/etherdevice.h>
48 #include <linux/skbuff.h>
49 #include <linux/if_arp.h>
50 #include <linux/ioport.h>
51 #include <linux/crc32.h>
52
53 #include <pcmcia/cistpl.h>
54 #include <pcmcia/ciscode.h>
55 #include <pcmcia/ds.h>
56
57 #include <linux/uaccess.h>
58 #include <asm/io.h>
59
60 /*====================================================================*/
61
62 /* Module parameters */
63
64 MODULE_DESCRIPTION("fmvj18x and compatible PCMCIA ethernet driver");
65 MODULE_LICENSE("GPL");
66
67 #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
68
69 /* SRAM configuration */
70 /* 0:4KB*2 TX buffer else:8KB*2 TX buffer */
71 INT_MODULE_PARM(sram_config, 0);
72
73
74 /*====================================================================*/
75 /*
76 PCMCIA event handlers
77 */
78 static int fmvj18x_config(struct pcmcia_device *link);
79 static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id);
80 static int fmvj18x_setup_mfc(struct pcmcia_device *link);
81 static void fmvj18x_release(struct pcmcia_device *link);
82 static void fmvj18x_detach(struct pcmcia_device *p_dev);
83
84 /*
85 LAN controller(MBH86960A) specific routines
86 */
87 static int fjn_config(struct net_device *dev, struct ifmap *map);
88 static int fjn_open(struct net_device *dev);
89 static int fjn_close(struct net_device *dev);
90 static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
91 struct net_device *dev);
92 static irqreturn_t fjn_interrupt(int irq, void *dev_id);
93 static void fjn_rx(struct net_device *dev);
94 static void fjn_reset(struct net_device *dev);
95 static void set_rx_mode(struct net_device *dev);
96 static void fjn_tx_timeout(struct net_device *dev, unsigned int txqueue);
97 static const struct ethtool_ops netdev_ethtool_ops;
98
99 /*
100 card type
101 */
102 enum cardtype { MBH10302, MBH10304, TDK, CONTEC, LA501, UNGERMANN,
103 XXX10304, NEC, KME
104 };
105
106 /*
107 driver specific data structure
108 */
109 struct local_info {
110 struct pcmcia_device *p_dev;
111 long open_time;
112 uint tx_started:1;
113 uint tx_queue;
114 u_short tx_queue_len;
115 enum cardtype cardtype;
116 u_short sent;
117 u_char __iomem *base;
118 };
119
120 #define MC_FILTERBREAK 64
121
122 /*====================================================================*/
123 /*
124 ioport offset from the base address
125 */
126 #define TX_STATUS 0 /* transmit status register */
127 #define RX_STATUS 1 /* receive status register */
128 #define TX_INTR 2 /* transmit interrupt mask register */
129 #define RX_INTR 3 /* receive interrupt mask register */
130 #define TX_MODE 4 /* transmit mode register */
131 #define RX_MODE 5 /* receive mode register */
132 #define CONFIG_0 6 /* configuration register 0 */
133 #define CONFIG_1 7 /* configuration register 1 */
134
135 #define NODE_ID 8 /* node ID register (bank 0) */
136 #define MAR_ADR 8 /* multicast address registers (bank 1) */
137
138 #define DATAPORT 8 /* buffer mem port registers (bank 2) */
139 #define TX_START 10 /* transmit start register */
140 #define COL_CTRL 11 /* 16 collision control register */
141 #define BMPR12 12 /* reserved */
142 #define BMPR13 13 /* reserved */
143 #define RX_SKIP 14 /* skip received packet register */
144
145 #define LAN_CTRL 16 /* LAN card control register */
146
147 #define MAC_ID 0x1a /* hardware address */
148 #define UNGERMANN_MAC_ID 0x18 /* UNGERMANN-BASS hardware address */
149
150 /*
151 control bits
152 */
153 #define ENA_TMT_OK 0x80
154 #define ENA_TMT_REC 0x20
155 #define ENA_COL 0x04
156 #define ENA_16_COL 0x02
157 #define ENA_TBUS_ERR 0x01
158
159 #define ENA_PKT_RDY 0x80
160 #define ENA_BUS_ERR 0x40
161 #define ENA_LEN_ERR 0x08
162 #define ENA_ALG_ERR 0x04
163 #define ENA_CRC_ERR 0x02
164 #define ENA_OVR_FLO 0x01
165
166 /* flags */
167 #define F_TMT_RDY 0x80 /* can accept new packet */
168 #define F_NET_BSY 0x40 /* carrier is detected */
169 #define F_TMT_OK 0x20 /* send packet successfully */
170 #define F_SRT_PKT 0x10 /* short packet error */
171 #define F_COL_ERR 0x04 /* collision error */
172 #define F_16_COL 0x02 /* 16 collision error */
173 #define F_TBUS_ERR 0x01 /* bus read error */
174
175 #define F_PKT_RDY 0x80 /* packet(s) in buffer */
176 #define F_BUS_ERR 0x40 /* bus read error */
177 #define F_LEN_ERR 0x08 /* short packet */
178 #define F_ALG_ERR 0x04 /* frame error */
179 #define F_CRC_ERR 0x02 /* CRC error */
180 #define F_OVR_FLO 0x01 /* overflow error */
181
182 #define F_BUF_EMP 0x40 /* receive buffer is empty */
183
184 #define F_SKP_PKT 0x05 /* drop packet in buffer */
185
186 /* default bitmaps */
187 #define D_TX_INTR ( ENA_TMT_OK )
188 #define D_RX_INTR ( ENA_PKT_RDY | ENA_LEN_ERR \
189 | ENA_ALG_ERR | ENA_CRC_ERR | ENA_OVR_FLO )
190 #define TX_STAT_M ( F_TMT_RDY )
191 #define RX_STAT_M ( F_PKT_RDY | F_LEN_ERR \
192 | F_ALG_ERR | F_CRC_ERR | F_OVR_FLO )
193
194 /* commands */
195 #define D_TX_MODE 0x06 /* no tests, detect carrier */
196 #define ID_MATCHED 0x02 /* (RX_MODE) */
197 #define RECV_ALL 0x03 /* (RX_MODE) */
198 #define CONFIG0_DFL 0x5a /* 16bit bus, 4K x 2 Tx queues */
199 #define CONFIG0_DFL_1 0x5e /* 16bit bus, 8K x 2 Tx queues */
200 #define CONFIG0_RST 0xda /* Data Link Controller off (CONFIG_0) */
201 #define CONFIG0_RST_1 0xde /* Data Link Controller off (CONFIG_0) */
202 #define BANK_0 0xa0 /* bank 0 (CONFIG_1) */
203 #define BANK_1 0xa4 /* bank 1 (CONFIG_1) */
204 #define BANK_2 0xa8 /* bank 2 (CONFIG_1) */
205 #define CHIP_OFF 0x80 /* contrl chip power off (CONFIG_1) */
206 #define DO_TX 0x80 /* do transmit packet */
207 #define SEND_PKT 0x81 /* send a packet */
208 #define AUTO_MODE 0x07 /* Auto skip packet on 16 col detected */
209 #define MANU_MODE 0x03 /* Stop and skip packet on 16 col */
210 #define TDK_AUTO_MODE 0x47 /* Auto skip packet on 16 col detected */
211 #define TDK_MANU_MODE 0x43 /* Stop and skip packet on 16 col */
212 #define INTR_OFF 0x0d /* LAN controller ignores interrupts */
213 #define INTR_ON 0x1d /* LAN controller will catch interrupts */
214
215 #define TX_TIMEOUT ((400*HZ)/1000)
216
217 #define BANK_0U 0x20 /* bank 0 (CONFIG_1) */
218 #define BANK_1U 0x24 /* bank 1 (CONFIG_1) */
219 #define BANK_2U 0x28 /* bank 2 (CONFIG_1) */
220
221 static const struct net_device_ops fjn_netdev_ops = {
222 .ndo_open = fjn_open,
223 .ndo_stop = fjn_close,
224 .ndo_start_xmit = fjn_start_xmit,
225 .ndo_tx_timeout = fjn_tx_timeout,
226 .ndo_set_config = fjn_config,
227 .ndo_set_rx_mode = set_rx_mode,
228 .ndo_set_mac_address = eth_mac_addr,
229 .ndo_validate_addr = eth_validate_addr,
230 };
231
232 static int fmvj18x_probe(struct pcmcia_device *link)
233 {
234 struct local_info *lp;
235 struct net_device *dev;
236
237 dev_dbg(&link->dev, "fmvj18x_attach()\n");
238
239 /* Make up a FMVJ18x specific data structure */
240 dev = alloc_etherdev(sizeof(struct local_info));
241 if (!dev)
242 return -ENOMEM;
243 lp = netdev_priv(dev);
244 link->priv = dev;
245 lp->p_dev = link;
246 lp->base = NULL;
247
248 /* The io structure describes IO port mapping */
249 link->resource[0]->end = 32;
250 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
251
252 /* General socket configuration */
253 link->config_flags |= CONF_ENABLE_IRQ;
254
255 dev->netdev_ops = &fjn_netdev_ops;
256 dev->watchdog_timeo = TX_TIMEOUT;
257
258 dev->ethtool_ops = &netdev_ethtool_ops;
259
260 return fmvj18x_config(link);
261 } /* fmvj18x_attach */
262
263 /*====================================================================*/
264
265 static void fmvj18x_detach(struct pcmcia_device *link)
266 {
267 struct net_device *dev = link->priv;
268
269 dev_dbg(&link->dev, "fmvj18x_detach\n");
270
271 unregister_netdev(dev);
272
273 fmvj18x_release(link);
274
275 free_netdev(dev);
276 } /* fmvj18x_detach */
277
278 /*====================================================================*/
279
280 static int mfc_try_io_port(struct pcmcia_device *link)
281 {
282 int i, ret;
283 static const unsigned int serial_base[5] =
284 { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
285
286 for (i = 0; i < 5; i++) {
287 link->resource[1]->start = serial_base[i];
288 link->resource[1]->flags |= IO_DATA_PATH_WIDTH_8;
289 if (link->resource[1]->start == 0) {
290 link->resource[1]->end = 0;
291 pr_notice("out of resource for serial\n");
292 }
293 ret = pcmcia_request_io(link);
294 if (ret == 0)
295 return ret;
296 }
297 return ret;
298 }
299
300 static int ungermann_try_io_port(struct pcmcia_device *link)
301 {
302 int ret;
303 unsigned int ioaddr;
304 /*
305 Ungermann-Bass Access/CARD accepts 0x300,0x320,0x340,0x360
306 0x380,0x3c0 only for ioport.
307 */
308 for (ioaddr = 0x300; ioaddr < 0x3e0; ioaddr += 0x20) {
309 link->resource[0]->start = ioaddr;
310 ret = pcmcia_request_io(link);
311 if (ret == 0) {
312 /* calculate ConfigIndex value */
313 link->config_index =
314 ((link->resource[0]->start & 0x0f0) >> 3) | 0x22;
315 return ret;
316 }
317 }
318 return ret; /* RequestIO failed */
319 }
320
321 static int fmvj18x_ioprobe(struct pcmcia_device *p_dev, void *priv_data)
322 {
323 return 0; /* strange, but that's what the code did already before... */
324 }
325
326 static int fmvj18x_config(struct pcmcia_device *link)
327 {
328 struct net_device *dev = link->priv;
329 struct local_info *lp = netdev_priv(dev);
330 int i, ret;
331 unsigned int ioaddr;
332 enum cardtype cardtype;
333 char *card_name = "unknown";
334 u8 *buf;
335 size_t len;
336 u_char buggybuf[32];
337
338 dev_dbg(&link->dev, "fmvj18x_config\n");
339
340 link->io_lines = 5;
341
342 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
343 kfree(buf);
344
345 if (len) {
346 /* Yes, I have CISTPL_FUNCE. Let's check CISTPL_MANFID */
347 ret = pcmcia_loop_config(link, fmvj18x_ioprobe, NULL);
348 if (ret != 0)
349 goto failed;
350
351 switch (link->manf_id) {
352 case MANFID_TDK:
353 cardtype = TDK;
354 if (link->card_id == PRODID_TDK_GN3410 ||
355 link->card_id == PRODID_TDK_NP9610 ||
356 link->card_id == PRODID_TDK_MN3200) {
357 /* MultiFunction Card */
358 link->config_base = 0x800;
359 link->config_index = 0x47;
360 link->resource[1]->end = 8;
361 }
362 break;
363 case MANFID_NEC:
364 cardtype = NEC; /* MultiFunction Card */
365 link->config_base = 0x800;
366 link->config_index = 0x47;
367 link->resource[1]->end = 8;
368 break;
369 case MANFID_KME:
370 cardtype = KME; /* MultiFunction Card */
371 link->config_base = 0x800;
372 link->config_index = 0x47;
373 link->resource[1]->end = 8;
374 break;
375 case MANFID_CONTEC:
376 cardtype = CONTEC;
377 break;
378 case MANFID_FUJITSU:
379 if (link->config_base == 0x0fe0)
380 cardtype = MBH10302;
381 else if (link->card_id == PRODID_FUJITSU_MBH10302)
382 /* RATOC REX-5588/9822/4886's PRODID are 0004(=MBH10302),
383 but these are MBH10304 based card. */
384 cardtype = MBH10304;
385 else if (link->card_id == PRODID_FUJITSU_MBH10304)
386 cardtype = MBH10304;
387 else
388 cardtype = LA501;
389 break;
390 default:
391 cardtype = MBH10304;
392 }
393 } else {
394 /* old type card */
395 switch (link->manf_id) {
396 case MANFID_FUJITSU:
397 if (link->card_id == PRODID_FUJITSU_MBH10304) {
398 cardtype = XXX10304; /* MBH10304 with buggy CIS */
399 link->config_index = 0x20;
400 } else {
401 cardtype = MBH10302; /* NextCom NC5310, etc. */
402 link->config_index = 1;
403 }
404 break;
405 case MANFID_UNGERMANN:
406 cardtype = UNGERMANN;
407 break;
408 default:
409 cardtype = MBH10302;
410 link->config_index = 1;
411 }
412 }
413
414 if (link->resource[1]->end != 0) {
415 ret = mfc_try_io_port(link);
416 if (ret != 0) goto failed;
417 } else if (cardtype == UNGERMANN) {
418 ret = ungermann_try_io_port(link);
419 if (ret != 0) goto failed;
420 } else {
421 ret = pcmcia_request_io(link);
422 if (ret)
423 goto failed;
424 }
425 ret = pcmcia_request_irq(link, fjn_interrupt);
426 if (ret)
427 goto failed;
428 ret = pcmcia_enable_device(link);
429 if (ret)
430 goto failed;
431
432 dev->irq = link->irq;
433 dev->base_addr = link->resource[0]->start;
434
435 if (resource_size(link->resource[1]) != 0) {
436 ret = fmvj18x_setup_mfc(link);
437 if (ret != 0) goto failed;
438 }
439
440 ioaddr = dev->base_addr;
441
442 /* Reset controller */
443 if (sram_config == 0)
444 outb(CONFIG0_RST, ioaddr + CONFIG_0);
445 else
446 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
447
448 /* Power On chip and select bank 0 */
449 if (cardtype == MBH10302)
450 outb(BANK_0, ioaddr + CONFIG_1);
451 else
452 outb(BANK_0U, ioaddr + CONFIG_1);
453
454 /* Set hardware address */
455 switch (cardtype) {
456 case MBH10304:
457 case TDK:
458 case LA501:
459 case CONTEC:
460 case NEC:
461 case KME:
462 if (cardtype == MBH10304) {
463 card_name = "FMV-J182";
464
465 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
466 if (len < 11) {
467 kfree(buf);
468 goto failed;
469 }
470 /* Read MACID from CIS */
471 for (i = 0; i < 6; i++)
472 dev->dev_addr[i] = buf[i + 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 dev->dev_addr[i] = inb(ioaddr + UNGERMANN_MAC_ID + i);
494 card_name = "Access/CARD";
495 break;
496 case XXX10304:
497 /* Read MACID from Buggy CIS */
498 if (fmvj18x_get_hwinfo(link, buggybuf) == -1) {
499 pr_notice("unable to read hardware net address\n");
500 goto failed;
501 }
502 for (i = 0 ; i < 6; i++) {
503 dev->dev_addr[i] = buggybuf[i];
504 }
505 card_name = "FMV-J182";
506 break;
507 case MBH10302:
508 default:
509 /* Read MACID from register */
510 for (i = 0; i < 6; i++)
511 dev->dev_addr[i] = inb(ioaddr + MAC_ID + i);
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
531 failed:
532 fmvj18x_release(link);
533 return -ENODEV;
534 } /* fmvj18x_config */
535 /*====================================================================*/
536
537 static 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 -ENOMEM;
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
586 static 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
629 static 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
648 static 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
658 static 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
672 static 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 };
700 MODULE_DEVICE_TABLE(pcmcia, fmvj18x_ids);
701
702 static 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 };
711 module_pcmcia_driver(fmvj18x_cs_driver);
712
713 /*====================================================================*/
714
715 static 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
777 static 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
806 static 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
879 static 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
958 static 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
1046 static void netdev_get_drvinfo(struct net_device *dev,
1047 struct ethtool_drvinfo *info)
1048 {
1049 strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
1050 strlcpy(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
1055 static const struct ethtool_ops netdev_ethtool_ops = {
1056 .get_drvinfo = netdev_get_drvinfo,
1057 };
1058
1059 static int fjn_config(struct net_device *dev, struct ifmap *map){
1060 return 0;
1061 }
1062
1063 static 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
1088 static 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
1125 static 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 }
Linux with added FPC-III support