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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / drivers / net / ethernet / fujitsu / fmvj18x_cs.c
bloba69cd19a55ae2f018cf5340f0f2680bff5f36c86
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);
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 pcmcia_map_mem_page(link, link->resource[2], 0);
551
552 /*
553 * MBH10304 CISTPL_FUNCE_LAN_NODE_ID format
554 * 22 0d xx xx xx 04 06 yy yy yy yy yy yy ff
555 * 'xx' is garbage.
556 * 'yy' is MAC address.
557 */
558 for (i = 0; i < 0x200; i++) {
559 if (readb(base+i*2) == 0x22) {
560 if (readb(base+(i-1)*2) == 0xff &&
561 readb(base+(i+5)*2) == 0x04 &&
562 readb(base+(i+6)*2) == 0x06 &&
563 readb(base+(i+13)*2) == 0xff)
564 break;
565 }
566 }
567
568 if (i != 0x200) {
569 for (j = 0 ; j < 6; j++,i++) {
570 node_id[j] = readb(base+(i+7)*2);
571 }
572 }
573
574 iounmap(base);
575 j = pcmcia_release_window(link, link->resource[2]);
576 return (i != 0x200) ? 0 : -1;
577
578 } /* fmvj18x_get_hwinfo */
579 /*====================================================================*/
580
581 static int fmvj18x_setup_mfc(struct pcmcia_device *link)
582 {
583 int i;
584 struct net_device *dev = link->priv;
585 unsigned int ioaddr;
586 struct local_info *lp = netdev_priv(dev);
587
588 /* Allocate a small memory window */
589 link->resource[3]->flags = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
590 link->resource[3]->start = link->resource[3]->end = 0;
591 i = pcmcia_request_window(link, link->resource[3], 0);
592 if (i != 0)
593 return -1;
594
595 lp->base = ioremap(link->resource[3]->start,
596 resource_size(link->resource[3]));
597 if (lp->base == NULL) {
598 netdev_notice(dev, "ioremap failed\n");
599 return -1;
600 }
601
602 i = pcmcia_map_mem_page(link, link->resource[3], 0);
603 if (i != 0) {
604 iounmap(lp->base);
605 lp->base = NULL;
606 return -1;
607 }
608
609 ioaddr = dev->base_addr;
610 writeb(0x47, lp->base+0x800); /* Config Option Register of LAN */
611 writeb(0x0, lp->base+0x802); /* Config and Status Register */
612
613 writeb(ioaddr & 0xff, lp->base+0x80a); /* I/O Base(Low) of LAN */
614 writeb((ioaddr >> 8) & 0xff, lp->base+0x80c); /* I/O Base(High) of LAN */
615
616 writeb(0x45, lp->base+0x820); /* Config Option Register of Modem */
617 writeb(0x8, lp->base+0x822); /* Config and Status Register */
618
619 return 0;
620
621 }
622 /*====================================================================*/
623
624 static void fmvj18x_release(struct pcmcia_device *link)
625 {
626
627 struct net_device *dev = link->priv;
628 struct local_info *lp = netdev_priv(dev);
629 u_char __iomem *tmp;
630
631 dev_dbg(&link->dev, "fmvj18x_release\n");
632
633 if (lp->base != NULL) {
634 tmp = lp->base;
635 lp->base = NULL; /* set NULL before iounmap */
636 iounmap(tmp);
637 }
638
639 pcmcia_disable_device(link);
640
641 }
642
643 static int fmvj18x_suspend(struct pcmcia_device *link)
644 {
645 struct net_device *dev = link->priv;
646
647 if (link->open)
648 netif_device_detach(dev);
649
650 return 0;
651 }
652
653 static int fmvj18x_resume(struct pcmcia_device *link)
654 {
655 struct net_device *dev = link->priv;
656
657 if (link->open) {
658 fjn_reset(dev);
659 netif_device_attach(dev);
660 }
661
662 return 0;
663 }
664
665 /*====================================================================*/
666
667 static const struct pcmcia_device_id fmvj18x_ids[] = {
668 PCMCIA_DEVICE_MANF_CARD(0x0004, 0x0004),
669 PCMCIA_DEVICE_PROD_ID12("EAGLE Technology", "NE200 ETHERNET LAN MBH10302 04", 0x528c88c4, 0x74f91e59),
670 PCMCIA_DEVICE_PROD_ID12("Eiger Labs,Inc", "EPX-10BT PC Card Ethernet 10BT", 0x53af556e, 0x877f9922),
671 PCMCIA_DEVICE_PROD_ID12("Eiger labs,Inc.", "EPX-10BT PC Card Ethernet 10BT", 0xf47e6c66, 0x877f9922),
672 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "LAN Card(FMV-J182)", 0x6ee5a3d8, 0x5baf31db),
673 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "MBH10308", 0x6ee5a3d8, 0x3f04875e),
674 PCMCIA_DEVICE_PROD_ID12("FUJITSU TOWA", "LA501", 0xb8451188, 0x12939ba2),
675 PCMCIA_DEVICE_PROD_ID12("HITACHI", "HT-4840-11", 0xf4f43949, 0x773910f4),
676 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310B Ver1.0 ", 0x8cef4d3a, 0x075fc7b6),
677 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310 Ver1.0 ", 0x8cef4d3a, 0xbccf43e6),
678 PCMCIA_DEVICE_PROD_ID12("RATOC System Inc.", "10BASE_T CARD R280", 0x85c10e17, 0xd9413666),
679 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CD02x", 0x1eae9475, 0x8fa0ee70),
680 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CF010", 0x1eae9475, 0x7683bc9a),
681 PCMCIA_DEVICE_PROD_ID1("CONTEC Co.,Ltd.", 0x58d8fee2),
682 PCMCIA_DEVICE_PROD_ID1("PCMCIA LAN MBH10304 ES", 0x2599f454),
683 PCMCIA_DEVICE_PROD_ID1("PCMCIA MBH10302", 0x8f4005da),
684 PCMCIA_DEVICE_PROD_ID1("UBKK,V2.0", 0x90888080),
685 PCMCIA_PFC_DEVICE_PROD_ID12(0, "TDK", "GlobalNetworker 3410/3412", 0x1eae9475, 0xd9a93bed),
686 PCMCIA_PFC_DEVICE_PROD_ID12(0, "NEC", "PK-UG-J001" ,0x18df0ba0 ,0x831b1064),
687 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0d0a),
688 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0e0a),
689 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0e01),
690 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0a05),
691 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0b05),
692 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x1101),
693 PCMCIA_DEVICE_NULL,
694 };
695 MODULE_DEVICE_TABLE(pcmcia, fmvj18x_ids);
696
697 static struct pcmcia_driver fmvj18x_cs_driver = {
698 .owner = THIS_MODULE,
699 .name = "fmvj18x_cs",
700 .probe = fmvj18x_probe,
701 .remove = fmvj18x_detach,
702 .id_table = fmvj18x_ids,
703 .suspend = fmvj18x_suspend,
704 .resume = fmvj18x_resume,
705 };
706 module_pcmcia_driver(fmvj18x_cs_driver);
707
708 /*====================================================================*/
709
710 static irqreturn_t fjn_interrupt(int dummy, void *dev_id)
711 {
712 struct net_device *dev = dev_id;
713 struct local_info *lp = netdev_priv(dev);
714 unsigned int ioaddr;
715 unsigned short tx_stat, rx_stat;
716
717 ioaddr = dev->base_addr;
718
719 /* avoid multiple interrupts */
720 outw(0x0000, ioaddr + TX_INTR);
721
722 /* wait for a while */
723 udelay(1);
724
725 /* get status */
726 tx_stat = inb(ioaddr + TX_STATUS);
727 rx_stat = inb(ioaddr + RX_STATUS);
728
729 /* clear status */
730 outb(tx_stat, ioaddr + TX_STATUS);
731 outb(rx_stat, ioaddr + RX_STATUS);
732
733 pr_debug("%s: interrupt, rx_status %02x.\n", dev->name, rx_stat);
734 pr_debug(" tx_status %02x.\n", tx_stat);
735
736 if (rx_stat || (inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
737 /* there is packet(s) in rx buffer */
738 fjn_rx(dev);
739 }
740 if (tx_stat & F_TMT_RDY) {
741 dev->stats.tx_packets += lp->sent ;
742 lp->sent = 0 ;
743 if (lp->tx_queue) {
744 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
745 lp->sent = lp->tx_queue ;
746 lp->tx_queue = 0;
747 lp->tx_queue_len = 0;
748 netif_trans_update(dev);
749 } else {
750 lp->tx_started = 0;
751 }
752 netif_wake_queue(dev);
753 }
754 pr_debug("%s: exiting interrupt,\n", dev->name);
755 pr_debug(" tx_status %02x, rx_status %02x.\n", tx_stat, rx_stat);
756
757 outb(D_TX_INTR, ioaddr + TX_INTR);
758 outb(D_RX_INTR, ioaddr + RX_INTR);
759
760 if (lp->base != NULL) {
761 /* Ack interrupt for multifunction card */
762 writeb(0x01, lp->base+0x802);
763 writeb(0x09, lp->base+0x822);
764 }
765
766 return IRQ_HANDLED;
767
768 } /* fjn_interrupt */
769
770 /*====================================================================*/
771
772 static void fjn_tx_timeout(struct net_device *dev)
773 {
774 struct local_info *lp = netdev_priv(dev);
775 unsigned int ioaddr = dev->base_addr;
776
777 netdev_notice(dev, "transmit timed out with status %04x, %s?\n",
778 htons(inw(ioaddr + TX_STATUS)),
779 inb(ioaddr + TX_STATUS) & F_TMT_RDY
780 ? "IRQ conflict" : "network cable problem");
781 netdev_notice(dev, "timeout registers: %04x %04x %04x "
782 "%04x %04x %04x %04x %04x.\n",
783 htons(inw(ioaddr + 0)), htons(inw(ioaddr + 2)),
784 htons(inw(ioaddr + 4)), htons(inw(ioaddr + 6)),
785 htons(inw(ioaddr + 8)), htons(inw(ioaddr + 10)),
786 htons(inw(ioaddr + 12)), htons(inw(ioaddr + 14)));
787 dev->stats.tx_errors++;
788 /* ToDo: We should try to restart the adaptor... */
789 local_irq_disable();
790 fjn_reset(dev);
791
792 lp->tx_started = 0;
793 lp->tx_queue = 0;
794 lp->tx_queue_len = 0;
795 lp->sent = 0;
796 lp->open_time = jiffies;
797 local_irq_enable();
798 netif_wake_queue(dev);
799 }
800
801 static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
802 struct net_device *dev)
803 {
804 struct local_info *lp = netdev_priv(dev);
805 unsigned int ioaddr = dev->base_addr;
806 short length = skb->len;
807
808 if (length < ETH_ZLEN)
809 {
810 if (skb_padto(skb, ETH_ZLEN))
811 return NETDEV_TX_OK;
812 length = ETH_ZLEN;
813 }
814
815 netif_stop_queue(dev);
816
817 {
818 unsigned char *buf = skb->data;
819
820 if (length > ETH_FRAME_LEN) {
821 netdev_notice(dev, "Attempting to send a large packet (%d bytes)\n",
822 length);
823 return NETDEV_TX_BUSY;
824 }
825
826 netdev_dbg(dev, "Transmitting a packet of length %lu\n",
827 (unsigned long)skb->len);
828 dev->stats.tx_bytes += skb->len;
829
830 /* Disable both interrupts. */
831 outw(0x0000, ioaddr + TX_INTR);
832
833 /* wait for a while */
834 udelay(1);
835
836 outw(length, ioaddr + DATAPORT);
837 outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1);
838
839 lp->tx_queue++;
840 lp->tx_queue_len += ((length+3) & ~1);
841
842 if (lp->tx_started == 0) {
843 /* If the Tx is idle, always trigger a transmit. */
844 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
845 lp->sent = lp->tx_queue ;
846 lp->tx_queue = 0;
847 lp->tx_queue_len = 0;
848 lp->tx_started = 1;
849 netif_start_queue(dev);
850 } else {
851 if( sram_config == 0 ) {
852 if (lp->tx_queue_len < (4096 - (ETH_FRAME_LEN +2)) )
853 /* Yes, there is room for one more packet. */
854 netif_start_queue(dev);
855 } else {
856 if (lp->tx_queue_len < (8192 - (ETH_FRAME_LEN +2)) &&
857 lp->tx_queue < 127 )
858 /* Yes, there is room for one more packet. */
859 netif_start_queue(dev);
860 }
861 }
862
863 /* Re-enable interrupts */
864 outb(D_TX_INTR, ioaddr + TX_INTR);
865 outb(D_RX_INTR, ioaddr + RX_INTR);
866 }
867 dev_kfree_skb (skb);
868
869 return NETDEV_TX_OK;
870 } /* fjn_start_xmit */
871
872 /*====================================================================*/
873
874 static void fjn_reset(struct net_device *dev)
875 {
876 struct local_info *lp = netdev_priv(dev);
877 unsigned int ioaddr = dev->base_addr;
878 int i;
879
880 netdev_dbg(dev, "fjn_reset() called\n");
881
882 /* Reset controller */
883 if( sram_config == 0 )
884 outb(CONFIG0_RST, ioaddr + CONFIG_0);
885 else
886 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
887
888 /* Power On chip and select bank 0 */
889 if (lp->cardtype == MBH10302)
890 outb(BANK_0, ioaddr + CONFIG_1);
891 else
892 outb(BANK_0U, ioaddr + CONFIG_1);
893
894 /* Set Tx modes */
895 outb(D_TX_MODE, ioaddr + TX_MODE);
896 /* set Rx modes */
897 outb(ID_MATCHED, ioaddr + RX_MODE);
898
899 /* Set hardware address */
900 for (i = 0; i < 6; i++)
901 outb(dev->dev_addr[i], ioaddr + NODE_ID + i);
902
903 /* (re)initialize the multicast table */
904 set_rx_mode(dev);
905
906 /* Switch to bank 2 (runtime mode) */
907 if (lp->cardtype == MBH10302)
908 outb(BANK_2, ioaddr + CONFIG_1);
909 else
910 outb(BANK_2U, ioaddr + CONFIG_1);
911
912 /* set 16col ctrl bits */
913 if( lp->cardtype == TDK || lp->cardtype == CONTEC)
914 outb(TDK_AUTO_MODE, ioaddr + COL_CTRL);
915 else
916 outb(AUTO_MODE, ioaddr + COL_CTRL);
917
918 /* clear Reserved Regs */
919 outb(0x00, ioaddr + BMPR12);
920 outb(0x00, ioaddr + BMPR13);
921
922 /* reset Skip packet reg. */
923 outb(0x01, ioaddr + RX_SKIP);
924
925 /* Enable Tx and Rx */
926 if( sram_config == 0 )
927 outb(CONFIG0_DFL, ioaddr + CONFIG_0);
928 else
929 outb(CONFIG0_DFL_1, ioaddr + CONFIG_0);
930
931 /* Init receive pointer ? */
932 inw(ioaddr + DATAPORT);
933 inw(ioaddr + DATAPORT);
934
935 /* Clear all status */
936 outb(0xff, ioaddr + TX_STATUS);
937 outb(0xff, ioaddr + RX_STATUS);
938
939 if (lp->cardtype == MBH10302)
940 outb(INTR_OFF, ioaddr + LAN_CTRL);
941
942 /* Turn on Rx interrupts */
943 outb(D_TX_INTR, ioaddr + TX_INTR);
944 outb(D_RX_INTR, ioaddr + RX_INTR);
945
946 /* Turn on interrupts from LAN card controller */
947 if (lp->cardtype == MBH10302)
948 outb(INTR_ON, ioaddr + LAN_CTRL);
949 } /* fjn_reset */
950
951 /*====================================================================*/
952
953 static void fjn_rx(struct net_device *dev)
954 {
955 unsigned int ioaddr = dev->base_addr;
956 int boguscount = 10; /* 5 -> 10: by agy 19940922 */
957
958 pr_debug("%s: in rx_packet(), rx_status %02x.\n",
959 dev->name, inb(ioaddr + RX_STATUS));
960
961 while ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
962 u_short status = inw(ioaddr + DATAPORT);
963
964 netdev_dbg(dev, "Rxing packet mode %02x status %04x.\n",
965 inb(ioaddr + RX_MODE), status);
966 #ifndef final_version
967 if (status == 0) {
968 outb(F_SKP_PKT, ioaddr + RX_SKIP);
969 break;
970 }
971 #endif
972 if ((status & 0xF0) != 0x20) { /* There was an error. */
973 dev->stats.rx_errors++;
974 if (status & F_LEN_ERR) dev->stats.rx_length_errors++;
975 if (status & F_ALG_ERR) dev->stats.rx_frame_errors++;
976 if (status & F_CRC_ERR) dev->stats.rx_crc_errors++;
977 if (status & F_OVR_FLO) dev->stats.rx_over_errors++;
978 } else {
979 u_short pkt_len = inw(ioaddr + DATAPORT);
980 /* Malloc up new buffer. */
981 struct sk_buff *skb;
982
983 if (pkt_len > 1550) {
984 netdev_notice(dev, "The FMV-18x claimed a very large packet, size %d\n",
985 pkt_len);
986 outb(F_SKP_PKT, ioaddr + RX_SKIP);
987 dev->stats.rx_errors++;
988 break;
989 }
990 skb = netdev_alloc_skb(dev, pkt_len + 2);
991 if (skb == NULL) {
992 outb(F_SKP_PKT, ioaddr + RX_SKIP);
993 dev->stats.rx_dropped++;
994 break;
995 }
996
997 skb_reserve(skb, 2);
998 insw(ioaddr + DATAPORT, skb_put(skb, pkt_len),
999 (pkt_len + 1) >> 1);
1000 skb->protocol = eth_type_trans(skb, dev);
1001
1002 {
1003 int i;
1004 pr_debug("%s: Rxed packet of length %d: ",
1005 dev->name, pkt_len);
1006 for (i = 0; i < 14; i++)
1007 pr_debug(" %02x", skb->data[i]);
1008 pr_debug(".\n");
1009 }
1010
1011 netif_rx(skb);
1012 dev->stats.rx_packets++;
1013 dev->stats.rx_bytes += pkt_len;
1014 }
1015 if (--boguscount <= 0)
1016 break;
1017 }
1018
1019 /* If any worth-while packets have been received, dev_rint()
1020 has done a netif_wake_queue() for us and will work on them
1021 when we get to the bottom-half routine. */
1022 /*
1023 if (lp->cardtype != TDK) {
1024 int i;
1025 for (i = 0; i < 20; i++) {
1026 if ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == F_BUF_EMP)
1027 break;
1028 (void)inw(ioaddr + DATAPORT); /+ dummy status read +/
1029 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1030 }
1031
1032 if (i > 0)
1033 pr_debug("%s: Exint Rx packet with mode %02x after "
1034 "%d ticks.\n", dev->name, inb(ioaddr + RX_MODE), i);
1035 }
1036 */
1037 } /* fjn_rx */
1038
1039 /*====================================================================*/
1040
1041 static void netdev_get_drvinfo(struct net_device *dev,
1042 struct ethtool_drvinfo *info)
1043 {
1044 strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
1045 strlcpy(info->version, DRV_VERSION, sizeof(info->version));
1046 snprintf(info->bus_info, sizeof(info->bus_info),
1047 "PCMCIA 0x%lx", dev->base_addr);
1048 }
1049
1050 static const struct ethtool_ops netdev_ethtool_ops = {
1051 .get_drvinfo = netdev_get_drvinfo,
1052 };
1053
1054 static int fjn_config(struct net_device *dev, struct ifmap *map){
1055 return 0;
1056 }
1057
1058 static int fjn_open(struct net_device *dev)
1059 {
1060 struct local_info *lp = netdev_priv(dev);
1061 struct pcmcia_device *link = lp->p_dev;
1062
1063 pr_debug("fjn_open('%s').\n", dev->name);
1064
1065 if (!pcmcia_dev_present(link))
1066 return -ENODEV;
1067
1068 link->open++;
1069
1070 fjn_reset(dev);
1071
1072 lp->tx_started = 0;
1073 lp->tx_queue = 0;
1074 lp->tx_queue_len = 0;
1075 lp->open_time = jiffies;
1076 netif_start_queue(dev);
1077
1078 return 0;
1079 } /* fjn_open */
1080
1081 /*====================================================================*/
1082
1083 static int fjn_close(struct net_device *dev)
1084 {
1085 struct local_info *lp = netdev_priv(dev);
1086 struct pcmcia_device *link = lp->p_dev;
1087 unsigned int ioaddr = dev->base_addr;
1088
1089 pr_debug("fjn_close('%s').\n", dev->name);
1090
1091 lp->open_time = 0;
1092 netif_stop_queue(dev);
1093
1094 /* Set configuration register 0 to disable Tx and Rx. */
1095 if( sram_config == 0 )
1096 outb(CONFIG0_RST ,ioaddr + CONFIG_0);
1097 else
1098 outb(CONFIG0_RST_1 ,ioaddr + CONFIG_0);
1099
1100 /* Update the statistics -- ToDo. */
1101
1102 /* Power-down the chip. Green, green, green! */
1103 outb(CHIP_OFF ,ioaddr + CONFIG_1);
1104
1105 /* Set the ethernet adaptor disable IRQ */
1106 if (lp->cardtype == MBH10302)
1107 outb(INTR_OFF, ioaddr + LAN_CTRL);
1108
1109 link->open--;
1110
1111 return 0;
1112 } /* fjn_close */
1113
1114 /*====================================================================*/
1115
1116 /*
1117 Set the multicast/promiscuous mode for this adaptor.
1118 */
1119
1120 static void set_rx_mode(struct net_device *dev)
1121 {
1122 unsigned int ioaddr = dev->base_addr;
1123 u_char mc_filter[8]; /* Multicast hash filter */
1124 u_long flags;
1125 int i;
1126
1127 int saved_bank;
1128 int saved_config_0 = inb(ioaddr + CONFIG_0);
1129
1130 local_irq_save(flags);
1131
1132 /* Disable Tx and Rx */
1133 if (sram_config == 0)
1134 outb(CONFIG0_RST, ioaddr + CONFIG_0);
1135 else
1136 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
1137
1138 if (dev->flags & IFF_PROMISC) {
1139 memset(mc_filter, 0xff, sizeof(mc_filter));
1140 outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */
1141 } else if (netdev_mc_count(dev) > MC_FILTERBREAK ||
1142 (dev->flags & IFF_ALLMULTI)) {
1143 /* Too many to filter perfectly -- accept all multicasts. */
1144 memset(mc_filter, 0xff, sizeof(mc_filter));
1145 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1146 } else if (netdev_mc_empty(dev)) {
1147 memset(mc_filter, 0x00, sizeof(mc_filter));
1148 outb(1, ioaddr + RX_MODE); /* Ignore almost all multicasts. */
1149 } else {
1150 struct netdev_hw_addr *ha;
1151
1152 memset(mc_filter, 0, sizeof(mc_filter));
1153 netdev_for_each_mc_addr(ha, dev) {
1154 unsigned int bit = ether_crc_le(ETH_ALEN, ha->addr) >> 26;
1155 mc_filter[bit >> 3] |= (1 << (bit & 7));
1156 }
1157 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1158 }
1159
1160 /* Switch to bank 1 and set the multicast table. */
1161 saved_bank = inb(ioaddr + CONFIG_1);
1162 outb(0xe4, ioaddr + CONFIG_1);
1163
1164 for (i = 0; i < 8; i++)
1165 outb(mc_filter[i], ioaddr + MAR_ADR + i);
1166 outb(saved_bank, ioaddr + CONFIG_1);
1167
1168 outb(saved_config_0, ioaddr + CONFIG_0);
1169
1170 local_irq_restore(flags);
1171 }
CRIS linux kernel tree