1 /*======================================================================
2 fmvj18x_cs.c 2.8 2002/03/23
3
4 A fmvj18x (and its compatibles) PCMCIA client driver
5
6 Contributed by Shingo Fujimoto, shingo@flab.fujitsu.co.jp
7
8 TDK LAK-CD021 and CONTEC C-NET(PC)C support added by
9 Nobuhiro Katayama, kata-n@po.iijnet.or.jp
10
11 The PCMCIA client code is based on code written by David Hinds.
12 Network code is based on the "FMV-18x driver" by Yutaka TAMIYA
13 but is actually largely Donald Becker's AT1700 driver, which
14 carries the following attribution:
15
16 Written 1993-94 by Donald Becker.
17
18 Copyright 1993 United States Government as represented by the
19 Director, National Security Agency.
20
21 This software may be used and distributed according to the terms
22 of the GNU General Public License, incorporated herein by reference.
23
24 The author may be reached as becker@scyld.com, or C/O
25 Scyld Computing Corporation
26 410 Severn Ave., Suite 210
27 Annapolis MD 21403
28
29 ======================================================================*/
30
31 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
32
33 #define DRV_NAME "fmvj18x_cs"
34 #define DRV_VERSION "2.9"
35
36 #include <linux/module.h>
37 #include <linux/kernel.h>
38 #include <linux/ptrace.h>
39 #include <linux/slab.h>
40 #include <linux/string.h>
41 #include <linux/timer.h>
42 #include <linux/interrupt.h>
43 #include <linux/in.h>
44 #include <linux/delay.h>
45 #include <linux/ethtool.h>
46 #include <linux/netdevice.h>
47 #include <linux/etherdevice.h>
48 #include <linux/skbuff.h>
49 #include <linux/if_arp.h>
50 #include <linux/ioport.h>
51 #include <linux/crc32.h>
52
53 #include <pcmcia/cistpl.h>
54 #include <pcmcia/ciscode.h>
55 #include <pcmcia/ds.h>
56
57 #include <asm/uaccess.h>
58 #include <asm/io.h>
59
60 /*====================================================================*/
61
62 /* Module parameters */
63
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_change_mtu = eth_change_mtu,
229 .ndo_set_mac_address = eth_mac_addr,
230 .ndo_validate_addr = eth_validate_addr,
231 };
232
fmvj18x_probe(struct pcmcia_device * link)233 static int fmvj18x_probe(struct pcmcia_device *link)
234 {
235 struct local_info *lp;
236 struct net_device *dev;
237
238 dev_dbg(&link->dev, "fmvj18x_attach()\n");
239
240 /* Make up a FMVJ18x specific data structure */
241 dev = alloc_etherdev(sizeof(struct local_info));
242 if (!dev)
243 return -ENOMEM;
244 lp = netdev_priv(dev);
245 link->priv = dev;
246 lp->p_dev = link;
247 lp->base = NULL;
248
249 /* The io structure describes IO port mapping */
250 link->resource[0]->end = 32;
251 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
252
253 /* General socket configuration */
254 link->config_flags |= CONF_ENABLE_IRQ;
255
256 dev->netdev_ops = &fjn_netdev_ops;
257 dev->watchdog_timeo = TX_TIMEOUT;
258
259 dev->ethtool_ops = &netdev_ethtool_ops;
260
261 return fmvj18x_config(link);
262 } /* fmvj18x_attach */
263
264 /*====================================================================*/
265
fmvj18x_detach(struct pcmcia_device * link)266 static void fmvj18x_detach(struct pcmcia_device *link)
267 {
268 struct net_device *dev = link->priv;
269
270 dev_dbg(&link->dev, "fmvj18x_detach\n");
271
272 unregister_netdev(dev);
273
274 fmvj18x_release(link);
275
276 free_netdev(dev);
277 } /* fmvj18x_detach */
278
279 /*====================================================================*/
280
mfc_try_io_port(struct pcmcia_device * link)281 static int mfc_try_io_port(struct pcmcia_device *link)
282 {
283 int i, ret;
284 static const unsigned int serial_base[5] =
285 { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
286
287 for (i = 0; i < 5; i++) {
288 link->resource[1]->start = serial_base[i];
289 link->resource[1]->flags |= IO_DATA_PATH_WIDTH_8;
290 if (link->resource[1]->start == 0) {
291 link->resource[1]->end = 0;
292 pr_notice("out of resource for serial\n");
293 }
294 ret = pcmcia_request_io(link);
295 if (ret == 0)
296 return ret;
297 }
298 return ret;
299 }
300
ungermann_try_io_port(struct pcmcia_device * link)301 static int ungermann_try_io_port(struct pcmcia_device *link)
302 {
303 int ret;
304 unsigned int ioaddr;
305 /*
306 Ungermann-Bass Access/CARD accepts 0x300,0x320,0x340,0x360
307 0x380,0x3c0 only for ioport.
308 */
309 for (ioaddr = 0x300; ioaddr < 0x3e0; ioaddr += 0x20) {
310 link->resource[0]->start = ioaddr;
311 ret = pcmcia_request_io(link);
312 if (ret == 0) {
313 /* calculate ConfigIndex value */
314 link->config_index =
315 ((link->resource[0]->start & 0x0f0) >> 3) | 0x22;
316 return ret;
317 }
318 }
319 return ret; /* RequestIO failed */
320 }
321
fmvj18x_ioprobe(struct pcmcia_device * p_dev,void * priv_data)322 static int fmvj18x_ioprobe(struct pcmcia_device *p_dev, void *priv_data)
323 {
324 return 0; /* strange, but that's what the code did already before... */
325 }
326
fmvj18x_config(struct pcmcia_device * link)327 static int fmvj18x_config(struct pcmcia_device *link)
328 {
329 struct net_device *dev = link->priv;
330 struct local_info *lp = netdev_priv(dev);
331 int i, ret;
332 unsigned int ioaddr;
333 enum cardtype cardtype;
334 char *card_name = "unknown";
335 u8 *buf;
336 size_t len;
337 u_char buggybuf[32];
338
339 dev_dbg(&link->dev, "fmvj18x_config\n");
340
341 link->io_lines = 5;
342
343 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
344 kfree(buf);
345
346 if (len) {
347 /* Yes, I have CISTPL_FUNCE. Let's check CISTPL_MANFID */
348 ret = pcmcia_loop_config(link, fmvj18x_ioprobe, NULL);
349 if (ret != 0)
350 goto failed;
351
352 switch (link->manf_id) {
353 case MANFID_TDK:
354 cardtype = TDK;
355 if (link->card_id == PRODID_TDK_GN3410 ||
356 link->card_id == PRODID_TDK_NP9610 ||
357 link->card_id == PRODID_TDK_MN3200) {
358 /* MultiFunction Card */
359 link->config_base = 0x800;
360 link->config_index = 0x47;
361 link->resource[1]->end = 8;
362 }
363 break;
364 case MANFID_NEC:
365 cardtype = NEC; /* MultiFunction Card */
366 link->config_base = 0x800;
367 link->config_index = 0x47;
368 link->resource[1]->end = 8;
369 break;
370 case MANFID_KME:
371 cardtype = KME; /* MultiFunction Card */
372 link->config_base = 0x800;
373 link->config_index = 0x47;
374 link->resource[1]->end = 8;
375 break;
376 case MANFID_CONTEC:
377 cardtype = CONTEC;
378 break;
379 case MANFID_FUJITSU:
380 if (link->config_base == 0x0fe0)
381 cardtype = MBH10302;
382 else if (link->card_id == PRODID_FUJITSU_MBH10302)
383 /* RATOC REX-5588/9822/4886's PRODID are 0004(=MBH10302),
384 but these are MBH10304 based card. */
385 cardtype = MBH10304;
386 else if (link->card_id == PRODID_FUJITSU_MBH10304)
387 cardtype = MBH10304;
388 else
389 cardtype = LA501;
390 break;
391 default:
392 cardtype = MBH10304;
393 }
394 } else {
395 /* old type card */
396 switch (link->manf_id) {
397 case MANFID_FUJITSU:
398 if (link->card_id == PRODID_FUJITSU_MBH10304) {
399 cardtype = XXX10304; /* MBH10304 with buggy CIS */
400 link->config_index = 0x20;
401 } else {
402 cardtype = MBH10302; /* NextCom NC5310, etc. */
403 link->config_index = 1;
404 }
405 break;
406 case MANFID_UNGERMANN:
407 cardtype = UNGERMANN;
408 break;
409 default:
410 cardtype = MBH10302;
411 link->config_index = 1;
412 }
413 }
414
415 if (link->resource[1]->end != 0) {
416 ret = mfc_try_io_port(link);
417 if (ret != 0) goto failed;
418 } else if (cardtype == UNGERMANN) {
419 ret = ungermann_try_io_port(link);
420 if (ret != 0) goto failed;
421 } else {
422 ret = pcmcia_request_io(link);
423 if (ret)
424 goto failed;
425 }
426 ret = pcmcia_request_irq(link, fjn_interrupt);
427 if (ret)
428 goto failed;
429 ret = pcmcia_enable_device(link);
430 if (ret)
431 goto failed;
432
433 dev->irq = link->irq;
434 dev->base_addr = link->resource[0]->start;
435
436 if (resource_size(link->resource[1]) != 0) {
437 ret = fmvj18x_setup_mfc(link);
438 if (ret != 0) goto failed;
439 }
440
441 ioaddr = dev->base_addr;
442
443 /* Reset controller */
444 if (sram_config == 0)
445 outb(CONFIG0_RST, ioaddr + CONFIG_0);
446 else
447 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
448
449 /* Power On chip and select bank 0 */
450 if (cardtype == MBH10302)
451 outb(BANK_0, ioaddr + CONFIG_1);
452 else
453 outb(BANK_0U, ioaddr + CONFIG_1);
454
455 /* Set hardware address */
456 switch (cardtype) {
457 case MBH10304:
458 case TDK:
459 case LA501:
460 case CONTEC:
461 case NEC:
462 case KME:
463 if (cardtype == MBH10304) {
464 card_name = "FMV-J182";
465
466 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
467 if (len < 11) {
468 kfree(buf);
469 goto failed;
470 }
471 /* Read MACID from CIS */
472 for (i = 5; i < 11; i++)
473 dev->dev_addr[i] = buf[i];
474 kfree(buf);
475 } else {
476 if (pcmcia_get_mac_from_cis(link, dev))
477 goto failed;
478 if( cardtype == TDK ) {
479 card_name = "TDK LAK-CD021";
480 } else if( cardtype == LA501 ) {
481 card_name = "LA501";
482 } else if( cardtype == NEC ) {
483 card_name = "PK-UG-J001";
484 } else if( cardtype == KME ) {
485 card_name = "Panasonic";
486 } else {
487 card_name = "C-NET(PC)C";
488 }
489 }
490 break;
491 case UNGERMANN:
492 /* Read MACID from register */
493 for (i = 0; i < 6; i++)
494 dev->dev_addr[i] = inb(ioaddr + UNGERMANN_MAC_ID + i);
495 card_name = "Access/CARD";
496 break;
497 case XXX10304:
498 /* Read MACID from Buggy CIS */
499 if (fmvj18x_get_hwinfo(link, buggybuf) == -1) {
500 pr_notice("unable to read hardware net address\n");
501 goto failed;
502 }
503 for (i = 0 ; i < 6; i++) {
504 dev->dev_addr[i] = buggybuf[i];
505 }
506 card_name = "FMV-J182";
507 break;
508 case MBH10302:
509 default:
510 /* Read MACID from register */
511 for (i = 0; i < 6; i++)
512 dev->dev_addr[i] = inb(ioaddr + MAC_ID + i);
513 card_name = "FMV-J181";
514 break;
515 }
516
517 lp->cardtype = cardtype;
518 SET_NETDEV_DEV(dev, &link->dev);
519
520 if (register_netdev(dev) != 0) {
521 pr_notice("register_netdev() failed\n");
522 goto failed;
523 }
524
525 /* print current configuration */
526 netdev_info(dev, "%s, sram %s, port %#3lx, irq %d, hw_addr %pM\n",
527 card_name, sram_config == 0 ? "4K TX*2" : "8K TX*2",
528 dev->base_addr, dev->irq, dev->dev_addr);
529
530 return 0;
531
532 failed:
533 fmvj18x_release(link);
534 return -ENODEV;
535 } /* fmvj18x_config */
536 /*====================================================================*/
537
fmvj18x_get_hwinfo(struct pcmcia_device * link,u_char * node_id)538 static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id)
539 {
540 u_char __iomem *base;
541 int i, j;
542
543 /* Allocate a small memory window */
544 link->resource[2]->flags |= WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
545 link->resource[2]->start = 0; link->resource[2]->end = 0;
546 i = pcmcia_request_window(link, link->resource[2], 0);
547 if (i != 0)
548 return -1;
549
550 base = ioremap(link->resource[2]->start, resource_size(link->resource[2]));
551 if (!base) {
552 pcmcia_release_window(link, link->resource[2]);
553 return -1;
554 }
555
556 pcmcia_map_mem_page(link, link->resource[2], 0);
557
558 /*
559 * MBH10304 CISTPL_FUNCE_LAN_NODE_ID format
560 * 22 0d xx xx xx 04 06 yy yy yy yy yy yy ff
561 * 'xx' is garbage.
562 * 'yy' is MAC address.
563 */
564 for (i = 0; i < 0x200; i++) {
565 if (readb(base+i*2) == 0x22) {
566 if (readb(base+(i-1)*2) == 0xff &&
567 readb(base+(i+5)*2) == 0x04 &&
568 readb(base+(i+6)*2) == 0x06 &&
569 readb(base+(i+13)*2) == 0xff)
570 break;
571 }
572 }
573
574 if (i != 0x200) {
575 for (j = 0 ; j < 6; j++,i++) {
576 node_id[j] = readb(base+(i+7)*2);
577 }
578 }
579
580 iounmap(base);
581 j = pcmcia_release_window(link, link->resource[2]);
582 return (i != 0x200) ? 0 : -1;
583
584 } /* fmvj18x_get_hwinfo */
585 /*====================================================================*/
586
fmvj18x_setup_mfc(struct pcmcia_device * link)587 static int fmvj18x_setup_mfc(struct pcmcia_device *link)
588 {
589 int i;
590 struct net_device *dev = link->priv;
591 unsigned int ioaddr;
592 struct local_info *lp = netdev_priv(dev);
593
594 /* Allocate a small memory window */
595 link->resource[3]->flags = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
596 link->resource[3]->start = link->resource[3]->end = 0;
597 i = pcmcia_request_window(link, link->resource[3], 0);
598 if (i != 0)
599 return -1;
600
601 lp->base = ioremap(link->resource[3]->start,
602 resource_size(link->resource[3]));
603 if (lp->base == NULL) {
604 netdev_notice(dev, "ioremap failed\n");
605 return -1;
606 }
607
608 i = pcmcia_map_mem_page(link, link->resource[3], 0);
609 if (i != 0) {
610 iounmap(lp->base);
611 lp->base = NULL;
612 return -1;
613 }
614
615 ioaddr = dev->base_addr;
616 writeb(0x47, lp->base+0x800); /* Config Option Register of LAN */
617 writeb(0x0, lp->base+0x802); /* Config and Status Register */
618
619 writeb(ioaddr & 0xff, lp->base+0x80a); /* I/O Base(Low) of LAN */
620 writeb((ioaddr >> 8) & 0xff, lp->base+0x80c); /* I/O Base(High) of LAN */
621
622 writeb(0x45, lp->base+0x820); /* Config Option Register of Modem */
623 writeb(0x8, lp->base+0x822); /* Config and Status Register */
624
625 return 0;
626
627 }
628 /*====================================================================*/
629
fmvj18x_release(struct pcmcia_device * link)630 static void fmvj18x_release(struct pcmcia_device *link)
631 {
632
633 struct net_device *dev = link->priv;
634 struct local_info *lp = netdev_priv(dev);
635 u_char __iomem *tmp;
636
637 dev_dbg(&link->dev, "fmvj18x_release\n");
638
639 if (lp->base != NULL) {
640 tmp = lp->base;
641 lp->base = NULL; /* set NULL before iounmap */
642 iounmap(tmp);
643 }
644
645 pcmcia_disable_device(link);
646
647 }
648
fmvj18x_suspend(struct pcmcia_device * link)649 static int fmvj18x_suspend(struct pcmcia_device *link)
650 {
651 struct net_device *dev = link->priv;
652
653 if (link->open)
654 netif_device_detach(dev);
655
656 return 0;
657 }
658
fmvj18x_resume(struct pcmcia_device * link)659 static int fmvj18x_resume(struct pcmcia_device *link)
660 {
661 struct net_device *dev = link->priv;
662
663 if (link->open) {
664 fjn_reset(dev);
665 netif_device_attach(dev);
666 }
667
668 return 0;
669 }
670
671 /*====================================================================*/
672
673 static const struct pcmcia_device_id fmvj18x_ids[] = {
674 PCMCIA_DEVICE_MANF_CARD(0x0004, 0x0004),
675 PCMCIA_DEVICE_PROD_ID12("EAGLE Technology", "NE200 ETHERNET LAN MBH10302 04", 0x528c88c4, 0x74f91e59),
676 PCMCIA_DEVICE_PROD_ID12("Eiger Labs,Inc", "EPX-10BT PC Card Ethernet 10BT", 0x53af556e, 0x877f9922),
677 PCMCIA_DEVICE_PROD_ID12("Eiger labs,Inc.", "EPX-10BT PC Card Ethernet 10BT", 0xf47e6c66, 0x877f9922),
678 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "LAN Card(FMV-J182)", 0x6ee5a3d8, 0x5baf31db),
679 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "MBH10308", 0x6ee5a3d8, 0x3f04875e),
680 PCMCIA_DEVICE_PROD_ID12("FUJITSU TOWA", "LA501", 0xb8451188, 0x12939ba2),
681 PCMCIA_DEVICE_PROD_ID12("HITACHI", "HT-4840-11", 0xf4f43949, 0x773910f4),
682 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310B Ver1.0 ", 0x8cef4d3a, 0x075fc7b6),
683 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310 Ver1.0 ", 0x8cef4d3a, 0xbccf43e6),
684 PCMCIA_DEVICE_PROD_ID12("RATOC System Inc.", "10BASE_T CARD R280", 0x85c10e17, 0xd9413666),
685 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CD02x", 0x1eae9475, 0x8fa0ee70),
686 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CF010", 0x1eae9475, 0x7683bc9a),
687 PCMCIA_DEVICE_PROD_ID1("CONTEC Co.,Ltd.", 0x58d8fee2),
688 PCMCIA_DEVICE_PROD_ID1("PCMCIA LAN MBH10304 ES", 0x2599f454),
689 PCMCIA_DEVICE_PROD_ID1("PCMCIA MBH10302", 0x8f4005da),
690 PCMCIA_DEVICE_PROD_ID1("UBKK,V2.0", 0x90888080),
691 PCMCIA_PFC_DEVICE_PROD_ID12(0, "TDK", "GlobalNetworker 3410/3412", 0x1eae9475, 0xd9a93bed),
692 PCMCIA_PFC_DEVICE_PROD_ID12(0, "NEC", "PK-UG-J001" ,0x18df0ba0 ,0x831b1064),
693 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0d0a),
694 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0e0a),
695 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0e01),
696 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0a05),
697 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0b05),
698 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x1101),
699 PCMCIA_DEVICE_NULL,
700 };
701 MODULE_DEVICE_TABLE(pcmcia, fmvj18x_ids);
702
703 static struct pcmcia_driver fmvj18x_cs_driver = {
704 .owner = THIS_MODULE,
705 .name = "fmvj18x_cs",
706 .probe = fmvj18x_probe,
707 .remove = fmvj18x_detach,
708 .id_table = fmvj18x_ids,
709 .suspend = fmvj18x_suspend,
710 .resume = fmvj18x_resume,
711 };
712 module_pcmcia_driver(fmvj18x_cs_driver);
713
714 /*====================================================================*/
715
fjn_interrupt(int dummy,void * dev_id)716 static irqreturn_t fjn_interrupt(int dummy, void *dev_id)
717 {
718 struct net_device *dev = dev_id;
719 struct local_info *lp = netdev_priv(dev);
720 unsigned int ioaddr;
721 unsigned short tx_stat, rx_stat;
722
723 ioaddr = dev->base_addr;
724
725 /* avoid multiple interrupts */
726 outw(0x0000, ioaddr + TX_INTR);
727
728 /* wait for a while */
729 udelay(1);
730
731 /* get status */
732 tx_stat = inb(ioaddr + TX_STATUS);
733 rx_stat = inb(ioaddr + RX_STATUS);
734
735 /* clear status */
736 outb(tx_stat, ioaddr + TX_STATUS);
737 outb(rx_stat, ioaddr + RX_STATUS);
738
739 pr_debug("%s: interrupt, rx_status %02x.\n", dev->name, rx_stat);
740 pr_debug(" tx_status %02x.\n", tx_stat);
741
742 if (rx_stat || (inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
743 /* there is packet(s) in rx buffer */
744 fjn_rx(dev);
745 }
746 if (tx_stat & F_TMT_RDY) {
747 dev->stats.tx_packets += lp->sent ;
748 lp->sent = 0 ;
749 if (lp->tx_queue) {
750 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
751 lp->sent = lp->tx_queue ;
752 lp->tx_queue = 0;
753 lp->tx_queue_len = 0;
754 dev->trans_start = jiffies;
755 } else {
756 lp->tx_started = 0;
757 }
758 netif_wake_queue(dev);
759 }
760 pr_debug("%s: exiting interrupt,\n", dev->name);
761 pr_debug(" tx_status %02x, rx_status %02x.\n", tx_stat, rx_stat);
762
763 outb(D_TX_INTR, ioaddr + TX_INTR);
764 outb(D_RX_INTR, ioaddr + RX_INTR);
765
766 if (lp->base != NULL) {
767 /* Ack interrupt for multifunction card */
768 writeb(0x01, lp->base+0x802);
769 writeb(0x09, lp->base+0x822);
770 }
771
772 return IRQ_HANDLED;
773
774 } /* fjn_interrupt */
775
776 /*====================================================================*/
777
fjn_tx_timeout(struct net_device * dev)778 static void fjn_tx_timeout(struct net_device *dev)
779 {
780 struct local_info *lp = netdev_priv(dev);
781 unsigned int ioaddr = dev->base_addr;
782
783 netdev_notice(dev, "transmit timed out with status %04x, %s?\n",
784 htons(inw(ioaddr + TX_STATUS)),
785 inb(ioaddr + TX_STATUS) & F_TMT_RDY
786 ? "IRQ conflict" : "network cable problem");
787 netdev_notice(dev, "timeout registers: %04x %04x %04x "
788 "%04x %04x %04x %04x %04x.\n",
789 htons(inw(ioaddr + 0)), htons(inw(ioaddr + 2)),
790 htons(inw(ioaddr + 4)), htons(inw(ioaddr + 6)),
791 htons(inw(ioaddr + 8)), htons(inw(ioaddr + 10)),
792 htons(inw(ioaddr + 12)), htons(inw(ioaddr + 14)));
793 dev->stats.tx_errors++;
794 /* ToDo: We should try to restart the adaptor... */
795 local_irq_disable();
796 fjn_reset(dev);
797
798 lp->tx_started = 0;
799 lp->tx_queue = 0;
800 lp->tx_queue_len = 0;
801 lp->sent = 0;
802 lp->open_time = jiffies;
803 local_irq_enable();
804 netif_wake_queue(dev);
805 }
806
fjn_start_xmit(struct sk_buff * skb,struct net_device * dev)807 static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
808 struct net_device *dev)
809 {
810 struct local_info *lp = netdev_priv(dev);
811 unsigned int ioaddr = dev->base_addr;
812 short length = skb->len;
813
814 if (length < ETH_ZLEN)
815 {
816 if (skb_padto(skb, ETH_ZLEN))
817 return NETDEV_TX_OK;
818 length = ETH_ZLEN;
819 }
820
821 netif_stop_queue(dev);
822
823 {
824 unsigned char *buf = skb->data;
825
826 if (length > ETH_FRAME_LEN) {
827 netdev_notice(dev, "Attempting to send a large packet (%d bytes)\n",
828 length);
829 return NETDEV_TX_BUSY;
830 }
831
832 netdev_dbg(dev, "Transmitting a packet of length %lu\n",
833 (unsigned long)skb->len);
834 dev->stats.tx_bytes += skb->len;
835
836 /* Disable both interrupts. */
837 outw(0x0000, ioaddr + TX_INTR);
838
839 /* wait for a while */
840 udelay(1);
841
842 outw(length, ioaddr + DATAPORT);
843 outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1);
844
845 lp->tx_queue++;
846 lp->tx_queue_len += ((length+3) & ~1);
847
848 if (lp->tx_started == 0) {
849 /* If the Tx is idle, always trigger a transmit. */
850 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
851 lp->sent = lp->tx_queue ;
852 lp->tx_queue = 0;
853 lp->tx_queue_len = 0;
854 lp->tx_started = 1;
855 netif_start_queue(dev);
856 } else {
857 if( sram_config == 0 ) {
858 if (lp->tx_queue_len < (4096 - (ETH_FRAME_LEN +2)) )
859 /* Yes, there is room for one more packet. */
860 netif_start_queue(dev);
861 } else {
862 if (lp->tx_queue_len < (8192 - (ETH_FRAME_LEN +2)) &&
863 lp->tx_queue < 127 )
864 /* Yes, there is room for one more packet. */
865 netif_start_queue(dev);
866 }
867 }
868
869 /* Re-enable interrupts */
870 outb(D_TX_INTR, ioaddr + TX_INTR);
871 outb(D_RX_INTR, ioaddr + RX_INTR);
872 }
873 dev_kfree_skb (skb);
874
875 return NETDEV_TX_OK;
876 } /* fjn_start_xmit */
877
878 /*====================================================================*/
879
fjn_reset(struct net_device * dev)880 static void fjn_reset(struct net_device *dev)
881 {
882 struct local_info *lp = netdev_priv(dev);
883 unsigned int ioaddr = dev->base_addr;
884 int i;
885
886 netdev_dbg(dev, "fjn_reset() called\n");
887
888 /* Reset controller */
889 if( sram_config == 0 )
890 outb(CONFIG0_RST, ioaddr + CONFIG_0);
891 else
892 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
893
894 /* Power On chip and select bank 0 */
895 if (lp->cardtype == MBH10302)
896 outb(BANK_0, ioaddr + CONFIG_1);
897 else
898 outb(BANK_0U, ioaddr + CONFIG_1);
899
900 /* Set Tx modes */
901 outb(D_TX_MODE, ioaddr + TX_MODE);
902 /* set Rx modes */
903 outb(ID_MATCHED, ioaddr + RX_MODE);
904
905 /* Set hardware address */
906 for (i = 0; i < 6; i++)
907 outb(dev->dev_addr[i], ioaddr + NODE_ID + i);
908
909 /* (re)initialize the multicast table */
910 set_rx_mode(dev);
911
912 /* Switch to bank 2 (runtime mode) */
913 if (lp->cardtype == MBH10302)
914 outb(BANK_2, ioaddr + CONFIG_1);
915 else
916 outb(BANK_2U, ioaddr + CONFIG_1);
917
918 /* set 16col ctrl bits */
919 if( lp->cardtype == TDK || lp->cardtype == CONTEC)
920 outb(TDK_AUTO_MODE, ioaddr + COL_CTRL);
921 else
922 outb(AUTO_MODE, ioaddr + COL_CTRL);
923
924 /* clear Reserved Regs */
925 outb(0x00, ioaddr + BMPR12);
926 outb(0x00, ioaddr + BMPR13);
927
928 /* reset Skip packet reg. */
929 outb(0x01, ioaddr + RX_SKIP);
930
931 /* Enable Tx and Rx */
932 if( sram_config == 0 )
933 outb(CONFIG0_DFL, ioaddr + CONFIG_0);
934 else
935 outb(CONFIG0_DFL_1, ioaddr + CONFIG_0);
936
937 /* Init receive pointer ? */
938 inw(ioaddr + DATAPORT);
939 inw(ioaddr + DATAPORT);
940
941 /* Clear all status */
942 outb(0xff, ioaddr + TX_STATUS);
943 outb(0xff, ioaddr + RX_STATUS);
944
945 if (lp->cardtype == MBH10302)
946 outb(INTR_OFF, ioaddr + LAN_CTRL);
947
948 /* Turn on Rx interrupts */
949 outb(D_TX_INTR, ioaddr + TX_INTR);
950 outb(D_RX_INTR, ioaddr + RX_INTR);
951
952 /* Turn on interrupts from LAN card controller */
953 if (lp->cardtype == MBH10302)
954 outb(INTR_ON, ioaddr + LAN_CTRL);
955 } /* fjn_reset */
956
957 /*====================================================================*/
958
fjn_rx(struct net_device * dev)959 static void fjn_rx(struct net_device *dev)
960 {
961 unsigned int ioaddr = dev->base_addr;
962 int boguscount = 10; /* 5 -> 10: by agy 19940922 */
963
964 pr_debug("%s: in rx_packet(), rx_status %02x.\n",
965 dev->name, inb(ioaddr + RX_STATUS));
966
967 while ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
968 u_short status = inw(ioaddr + DATAPORT);
969
970 netdev_dbg(dev, "Rxing packet mode %02x status %04x.\n",
971 inb(ioaddr + RX_MODE), status);
972 #ifndef final_version
973 if (status == 0) {
974 outb(F_SKP_PKT, ioaddr + RX_SKIP);
975 break;
976 }
977 #endif
978 if ((status & 0xF0) != 0x20) { /* There was an error. */
979 dev->stats.rx_errors++;
980 if (status & F_LEN_ERR) dev->stats.rx_length_errors++;
981 if (status & F_ALG_ERR) dev->stats.rx_frame_errors++;
982 if (status & F_CRC_ERR) dev->stats.rx_crc_errors++;
983 if (status & F_OVR_FLO) dev->stats.rx_over_errors++;
984 } else {
985 u_short pkt_len = inw(ioaddr + DATAPORT);
986 /* Malloc up new buffer. */
987 struct sk_buff *skb;
988
989 if (pkt_len > 1550) {
990 netdev_notice(dev, "The FMV-18x claimed a very large packet, size %d\n",
991 pkt_len);
992 outb(F_SKP_PKT, ioaddr + RX_SKIP);
993 dev->stats.rx_errors++;
994 break;
995 }
996 skb = netdev_alloc_skb(dev, pkt_len + 2);
997 if (skb == NULL) {
998 outb(F_SKP_PKT, ioaddr + RX_SKIP);
999 dev->stats.rx_dropped++;
1000 break;
1001 }
1002
1003 skb_reserve(skb, 2);
1004 insw(ioaddr + DATAPORT, skb_put(skb, pkt_len),
1005 (pkt_len + 1) >> 1);
1006 skb->protocol = eth_type_trans(skb, dev);
1007
1008 {
1009 int i;
1010 pr_debug("%s: Rxed packet of length %d: ",
1011 dev->name, pkt_len);
1012 for (i = 0; i < 14; i++)
1013 pr_debug(" %02x", skb->data[i]);
1014 pr_debug(".\n");
1015 }
1016
1017 netif_rx(skb);
1018 dev->stats.rx_packets++;
1019 dev->stats.rx_bytes += pkt_len;
1020 }
1021 if (--boguscount <= 0)
1022 break;
1023 }
1024
1025 /* If any worth-while packets have been received, dev_rint()
1026 has done a netif_wake_queue() for us and will work on them
1027 when we get to the bottom-half routine. */
1028 /*
1029 if (lp->cardtype != TDK) {
1030 int i;
1031 for (i = 0; i < 20; i++) {
1032 if ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == F_BUF_EMP)
1033 break;
1034 (void)inw(ioaddr + DATAPORT); /+ dummy status read +/
1035 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1036 }
1037
1038 if (i > 0)
1039 pr_debug("%s: Exint Rx packet with mode %02x after "
1040 "%d ticks.\n", dev->name, inb(ioaddr + RX_MODE), i);
1041 }
1042 */
1043 } /* fjn_rx */
1044
1045 /*====================================================================*/
1046
netdev_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * info)1047 static void netdev_get_drvinfo(struct net_device *dev,
1048 struct ethtool_drvinfo *info)
1049 {
1050 strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
1051 strlcpy(info->version, DRV_VERSION, sizeof(info->version));
1052 snprintf(info->bus_info, sizeof(info->bus_info),
1053 "PCMCIA 0x%lx", dev->base_addr);
1054 }
1055
1056 static const struct ethtool_ops netdev_ethtool_ops = {
1057 .get_drvinfo = netdev_get_drvinfo,
1058 };
1059
fjn_config(struct net_device * dev,struct ifmap * map)1060 static int fjn_config(struct net_device *dev, struct ifmap *map){
1061 return 0;
1062 }
1063
fjn_open(struct net_device * dev)1064 static int fjn_open(struct net_device *dev)
1065 {
1066 struct local_info *lp = netdev_priv(dev);
1067 struct pcmcia_device *link = lp->p_dev;
1068
1069 pr_debug("fjn_open('%s').\n", dev->name);
1070
1071 if (!pcmcia_dev_present(link))
1072 return -ENODEV;
1073
1074 link->open++;
1075
1076 fjn_reset(dev);
1077
1078 lp->tx_started = 0;
1079 lp->tx_queue = 0;
1080 lp->tx_queue_len = 0;
1081 lp->open_time = jiffies;
1082 netif_start_queue(dev);
1083
1084 return 0;
1085 } /* fjn_open */
1086
1087 /*====================================================================*/
1088
fjn_close(struct net_device * dev)1089 static int fjn_close(struct net_device *dev)
1090 {
1091 struct local_info *lp = netdev_priv(dev);
1092 struct pcmcia_device *link = lp->p_dev;
1093 unsigned int ioaddr = dev->base_addr;
1094
1095 pr_debug("fjn_close('%s').\n", dev->name);
1096
1097 lp->open_time = 0;
1098 netif_stop_queue(dev);
1099
1100 /* Set configuration register 0 to disable Tx and Rx. */
1101 if( sram_config == 0 )
1102 outb(CONFIG0_RST ,ioaddr + CONFIG_0);
1103 else
1104 outb(CONFIG0_RST_1 ,ioaddr + CONFIG_0);
1105
1106 /* Update the statistics -- ToDo. */
1107
1108 /* Power-down the chip. Green, green, green! */
1109 outb(CHIP_OFF ,ioaddr + CONFIG_1);
1110
1111 /* Set the ethernet adaptor disable IRQ */
1112 if (lp->cardtype == MBH10302)
1113 outb(INTR_OFF, ioaddr + LAN_CTRL);
1114
1115 link->open--;
1116
1117 return 0;
1118 } /* fjn_close */
1119
1120 /*====================================================================*/
1121
1122 /*
1123 Set the multicast/promiscuous mode for this adaptor.
1124 */
1125
set_rx_mode(struct net_device * dev)1126 static void set_rx_mode(struct net_device *dev)
1127 {
1128 unsigned int ioaddr = dev->base_addr;
1129 u_char mc_filter[8]; /* Multicast hash filter */
1130 u_long flags;
1131 int i;
1132
1133 int saved_bank;
1134 int saved_config_0 = inb(ioaddr + CONFIG_0);
1135
1136 local_irq_save(flags);
1137
1138 /* Disable Tx and Rx */
1139 if (sram_config == 0)
1140 outb(CONFIG0_RST, ioaddr + CONFIG_0);
1141 else
1142 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
1143
1144 if (dev->flags & IFF_PROMISC) {
1145 memset(mc_filter, 0xff, sizeof(mc_filter));
1146 outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */
1147 } else if (netdev_mc_count(dev) > MC_FILTERBREAK ||
1148 (dev->flags & IFF_ALLMULTI)) {
1149 /* Too many to filter perfectly -- accept all multicasts. */
1150 memset(mc_filter, 0xff, sizeof(mc_filter));
1151 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1152 } else if (netdev_mc_empty(dev)) {
1153 memset(mc_filter, 0x00, sizeof(mc_filter));
1154 outb(1, ioaddr + RX_MODE); /* Ignore almost all multicasts. */
1155 } else {
1156 struct netdev_hw_addr *ha;
1157
1158 memset(mc_filter, 0, sizeof(mc_filter));
1159 netdev_for_each_mc_addr(ha, dev) {
1160 unsigned int bit = ether_crc_le(ETH_ALEN, ha->addr) >> 26;
1161 mc_filter[bit >> 3] |= (1 << (bit & 7));
1162 }
1163 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1164 }
1165
1166 /* Switch to bank 1 and set the multicast table. */
1167 saved_bank = inb(ioaddr + CONFIG_1);
1168 outb(0xe4, ioaddr + CONFIG_1);
1169
1170 for (i = 0; i < 8; i++)
1171 outb(mc_filter[i], ioaddr + MAR_ADR + i);
1172 outb(saved_bank, ioaddr + CONFIG_1);
1173
1174 outb(saved_config_0, ioaddr + CONFIG_0);
1175
1176 local_irq_restore(flags);
1177 }
1178