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net: use netdev_mc_count and netdev_mc_empty when appropriate
[linux-2.6.git] / drivers / net / pcmcia / fmvj18x_cs.c
blob3d573ed5f7c5faf00f42de8eb58a6b8bbdf35c32
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 DRV_NAME "fmvj18x_cs"
32 #define DRV_VERSION "2.9"
33
34 #include <linux/module.h>
35 #include <linux/kernel.h>
36 #include <linux/init.h>
37 #include <linux/ptrace.h>
38 #include <linux/slab.h>
39 #include <linux/string.h>
40 #include <linux/timer.h>
41 #include <linux/interrupt.h>
42 #include <linux/in.h>
43 #include <linux/delay.h>
44 #include <linux/ethtool.h>
45 #include <linux/netdevice.h>
46 #include <linux/etherdevice.h>
47 #include <linux/skbuff.h>
48 #include <linux/if_arp.h>
49 #include <linux/ioport.h>
50 #include <linux/crc32.h>
51
52 #include <pcmcia/cs_types.h>
53 #include <pcmcia/cs.h>
54 #include <pcmcia/cistpl.h>
55 #include <pcmcia/ciscode.h>
56 #include <pcmcia/ds.h>
57
58 #include <asm/uaccess.h>
59 #include <asm/io.h>
60 #include <asm/system.h>
61
62 /*====================================================================*/
63
64 /* Module parameters */
65
66 MODULE_DESCRIPTION("fmvj18x and compatible PCMCIA ethernet driver");
67 MODULE_LICENSE("GPL");
68
69 #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
70
71 /* SRAM configuration */
72 /* 0:4KB*2 TX buffer else:8KB*2 TX buffer */
73 INT_MODULE_PARM(sram_config, 0);
74
75
76 /*====================================================================*/
77 /*
78 PCMCIA event handlers
79 */
80 static int fmvj18x_config(struct pcmcia_device *link);
81 static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id);
82 static int fmvj18x_setup_mfc(struct pcmcia_device *link);
83 static void fmvj18x_release(struct pcmcia_device *link);
84 static void fmvj18x_detach(struct pcmcia_device *p_dev);
85
86 /*
87 LAN controller(MBH86960A) specific routines
88 */
89 static int fjn_config(struct net_device *dev, struct ifmap *map);
90 static int fjn_open(struct net_device *dev);
91 static int fjn_close(struct net_device *dev);
92 static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
93 struct net_device *dev);
94 static irqreturn_t fjn_interrupt(int irq, void *dev_id);
95 static void fjn_rx(struct net_device *dev);
96 static void fjn_reset(struct net_device *dev);
97 static void set_rx_mode(struct net_device *dev);
98 static void fjn_tx_timeout(struct net_device *dev);
99 static const struct ethtool_ops netdev_ethtool_ops;
100
101 /*
102 card type
103 */
104 typedef enum { MBH10302, MBH10304, TDK, CONTEC, LA501, UNGERMANN,
105 XXX10304, NEC, KME
106 } cardtype_t;
107
108 /*
109 driver specific data structure
110 */
111 typedef struct local_info_t {
112 struct pcmcia_device *p_dev;
113 dev_node_t node;
114 long open_time;
115 uint tx_started:1;
116 uint tx_queue;
117 u_short tx_queue_len;
118 cardtype_t cardtype;
119 u_short sent;
120 u_char __iomem *base;
121 } local_info_t;
122
123 #define MC_FILTERBREAK 64
124
125 /*====================================================================*/
126 /*
127 ioport offset from the base address
128 */
129 #define TX_STATUS 0 /* transmit status register */
130 #define RX_STATUS 1 /* receive status register */
131 #define TX_INTR 2 /* transmit interrupt mask register */
132 #define RX_INTR 3 /* receive interrupt mask register */
133 #define TX_MODE 4 /* transmit mode register */
134 #define RX_MODE 5 /* receive mode register */
135 #define CONFIG_0 6 /* configuration register 0 */
136 #define CONFIG_1 7 /* configuration register 1 */
137
138 #define NODE_ID 8 /* node ID register (bank 0) */
139 #define MAR_ADR 8 /* multicast address registers (bank 1) */
140
141 #define DATAPORT 8 /* buffer mem port registers (bank 2) */
142 #define TX_START 10 /* transmit start register */
143 #define COL_CTRL 11 /* 16 collision control register */
144 #define BMPR12 12 /* reserved */
145 #define BMPR13 13 /* reserved */
146 #define RX_SKIP 14 /* skip received packet register */
147
148 #define LAN_CTRL 16 /* LAN card control register */
149
150 #define MAC_ID 0x1a /* hardware address */
151 #define UNGERMANN_MAC_ID 0x18 /* UNGERMANN-BASS hardware address */
152
153 /*
154 control bits
155 */
156 #define ENA_TMT_OK 0x80
157 #define ENA_TMT_REC 0x20
158 #define ENA_COL 0x04
159 #define ENA_16_COL 0x02
160 #define ENA_TBUS_ERR 0x01
161
162 #define ENA_PKT_RDY 0x80
163 #define ENA_BUS_ERR 0x40
164 #define ENA_LEN_ERR 0x08
165 #define ENA_ALG_ERR 0x04
166 #define ENA_CRC_ERR 0x02
167 #define ENA_OVR_FLO 0x01
168
169 /* flags */
170 #define F_TMT_RDY 0x80 /* can accept new packet */
171 #define F_NET_BSY 0x40 /* carrier is detected */
172 #define F_TMT_OK 0x20 /* send packet successfully */
173 #define F_SRT_PKT 0x10 /* short packet error */
174 #define F_COL_ERR 0x04 /* collision error */
175 #define F_16_COL 0x02 /* 16 collision error */
176 #define F_TBUS_ERR 0x01 /* bus read error */
177
178 #define F_PKT_RDY 0x80 /* packet(s) in buffer */
179 #define F_BUS_ERR 0x40 /* bus read error */
180 #define F_LEN_ERR 0x08 /* short packet */
181 #define F_ALG_ERR 0x04 /* frame error */
182 #define F_CRC_ERR 0x02 /* CRC error */
183 #define F_OVR_FLO 0x01 /* overflow error */
184
185 #define F_BUF_EMP 0x40 /* receive buffer is empty */
186
187 #define F_SKP_PKT 0x05 /* drop packet in buffer */
188
189 /* default bitmaps */
190 #define D_TX_INTR ( ENA_TMT_OK )
191 #define D_RX_INTR ( ENA_PKT_RDY | ENA_LEN_ERR \
192 | ENA_ALG_ERR | ENA_CRC_ERR | ENA_OVR_FLO )
193 #define TX_STAT_M ( F_TMT_RDY )
194 #define RX_STAT_M ( F_PKT_RDY | F_LEN_ERR \
195 | F_ALG_ERR | F_CRC_ERR | F_OVR_FLO )
196
197 /* commands */
198 #define D_TX_MODE 0x06 /* no tests, detect carrier */
199 #define ID_MATCHED 0x02 /* (RX_MODE) */
200 #define RECV_ALL 0x03 /* (RX_MODE) */
201 #define CONFIG0_DFL 0x5a /* 16bit bus, 4K x 2 Tx queues */
202 #define CONFIG0_DFL_1 0x5e /* 16bit bus, 8K x 2 Tx queues */
203 #define CONFIG0_RST 0xda /* Data Link Controller off (CONFIG_0) */
204 #define CONFIG0_RST_1 0xde /* Data Link Controller off (CONFIG_0) */
205 #define BANK_0 0xa0 /* bank 0 (CONFIG_1) */
206 #define BANK_1 0xa4 /* bank 1 (CONFIG_1) */
207 #define BANK_2 0xa8 /* bank 2 (CONFIG_1) */
208 #define CHIP_OFF 0x80 /* contrl chip power off (CONFIG_1) */
209 #define DO_TX 0x80 /* do transmit packet */
210 #define SEND_PKT 0x81 /* send a packet */
211 #define AUTO_MODE 0x07 /* Auto skip packet on 16 col detected */
212 #define MANU_MODE 0x03 /* Stop and skip packet on 16 col */
213 #define TDK_AUTO_MODE 0x47 /* Auto skip packet on 16 col detected */
214 #define TDK_MANU_MODE 0x43 /* Stop and skip packet on 16 col */
215 #define INTR_OFF 0x0d /* LAN controller ignores interrupts */
216 #define INTR_ON 0x1d /* LAN controller will catch interrupts */
217
218 #define TX_TIMEOUT ((400*HZ)/1000)
219
220 #define BANK_0U 0x20 /* bank 0 (CONFIG_1) */
221 #define BANK_1U 0x24 /* bank 1 (CONFIG_1) */
222 #define BANK_2U 0x28 /* bank 2 (CONFIG_1) */
223
224 static const struct net_device_ops fjn_netdev_ops = {
225 .ndo_open = fjn_open,
226 .ndo_stop = fjn_close,
227 .ndo_start_xmit = fjn_start_xmit,
228 .ndo_tx_timeout = fjn_tx_timeout,
229 .ndo_set_config = fjn_config,
230 .ndo_set_multicast_list = set_rx_mode,
231 .ndo_change_mtu = eth_change_mtu,
232 .ndo_set_mac_address = eth_mac_addr,
233 .ndo_validate_addr = eth_validate_addr,
234 };
235
236 static int fmvj18x_probe(struct pcmcia_device *link)
237 {
238 local_info_t *lp;
239 struct net_device *dev;
240
241 dev_dbg(&link->dev, "fmvj18x_attach()\n");
242
243 /* Make up a FMVJ18x specific data structure */
244 dev = alloc_etherdev(sizeof(local_info_t));
245 if (!dev)
246 return -ENOMEM;
247 lp = netdev_priv(dev);
248 link->priv = dev;
249 lp->p_dev = link;
250 lp->base = NULL;
251
252 /* The io structure describes IO port mapping */
253 link->io.NumPorts1 = 32;
254 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
255 link->io.IOAddrLines = 5;
256
257 /* Interrupt setup */
258 link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
259 link->irq.Handler = fjn_interrupt;
260
261 /* General socket configuration */
262 link->conf.Attributes = CONF_ENABLE_IRQ;
263 link->conf.IntType = INT_MEMORY_AND_IO;
264
265 dev->netdev_ops = &fjn_netdev_ops;
266 dev->watchdog_timeo = TX_TIMEOUT;
267
268 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
269
270 return fmvj18x_config(link);
271 } /* fmvj18x_attach */
272
273 /*====================================================================*/
274
275 static void fmvj18x_detach(struct pcmcia_device *link)
276 {
277 struct net_device *dev = link->priv;
278
279 dev_dbg(&link->dev, "fmvj18x_detach\n");
280
281 if (link->dev_node)
282 unregister_netdev(dev);
283
284 fmvj18x_release(link);
285
286 free_netdev(dev);
287 } /* fmvj18x_detach */
288
289 /*====================================================================*/
290
291 static int mfc_try_io_port(struct pcmcia_device *link)
292 {
293 int i, ret;
294 static const unsigned int serial_base[5] =
295 { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
296
297 for (i = 0; i < 5; i++) {
298 link->io.BasePort2 = serial_base[i];
299 link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
300 if (link->io.BasePort2 == 0) {
301 link->io.NumPorts2 = 0;
302 printk(KERN_NOTICE "fmvj18x_cs: out of resource for serial\n");
303 }
304 ret = pcmcia_request_io(link, &link->io);
305 if (ret == 0)
306 return ret;
307 }
308 return ret;
309 }
310
311 static int ungermann_try_io_port(struct pcmcia_device *link)
312 {
313 int ret;
314 unsigned int ioaddr;
315 /*
316 Ungermann-Bass Access/CARD accepts 0x300,0x320,0x340,0x360
317 0x380,0x3c0 only for ioport.
318 */
319 for (ioaddr = 0x300; ioaddr < 0x3e0; ioaddr += 0x20) {
320 link->io.BasePort1 = ioaddr;
321 ret = pcmcia_request_io(link, &link->io);
322 if (ret == 0) {
323 /* calculate ConfigIndex value */
324 link->conf.ConfigIndex =
325 ((link->io.BasePort1 & 0x0f0) >> 3) | 0x22;
326 return ret;
327 }
328 }
329 return ret; /* RequestIO failed */
330 }
331
332 static int fmvj18x_ioprobe(struct pcmcia_device *p_dev,
333 cistpl_cftable_entry_t *cfg,
334 cistpl_cftable_entry_t *dflt,
335 unsigned int vcc,
336 void *priv_data)
337 {
338 return 0; /* strange, but that's what the code did already before... */
339 }
340
341 static int fmvj18x_config(struct pcmcia_device *link)
342 {
343 struct net_device *dev = link->priv;
344 local_info_t *lp = netdev_priv(dev);
345 int i, ret;
346 unsigned int ioaddr;
347 cardtype_t cardtype;
348 char *card_name = "unknown";
349 u8 *buf;
350 size_t len;
351 u_char buggybuf[32];
352
353 dev_dbg(&link->dev, "fmvj18x_config\n");
354
355 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
356 kfree(buf);
357
358 if (len) {
359 /* Yes, I have CISTPL_FUNCE. Let's check CISTPL_MANFID */
360 ret = pcmcia_loop_config(link, fmvj18x_ioprobe, NULL);
361 if (ret != 0)
362 goto failed;
363
364 switch (link->manf_id) {
365 case MANFID_TDK:
366 cardtype = TDK;
367 if (link->card_id == PRODID_TDK_GN3410 ||
368 link->card_id == PRODID_TDK_NP9610 ||
369 link->card_id == PRODID_TDK_MN3200) {
370 /* MultiFunction Card */
371 link->conf.ConfigBase = 0x800;
372 link->conf.ConfigIndex = 0x47;
373 link->io.NumPorts2 = 8;
374 }
375 break;
376 case MANFID_NEC:
377 cardtype = NEC; /* MultiFunction Card */
378 link->conf.ConfigBase = 0x800;
379 link->conf.ConfigIndex = 0x47;
380 link->io.NumPorts2 = 8;
381 break;
382 case MANFID_KME:
383 cardtype = KME; /* MultiFunction Card */
384 link->conf.ConfigBase = 0x800;
385 link->conf.ConfigIndex = 0x47;
386 link->io.NumPorts2 = 8;
387 break;
388 case MANFID_CONTEC:
389 cardtype = CONTEC;
390 break;
391 case MANFID_FUJITSU:
392 if (link->conf.ConfigBase == 0x0fe0)
393 cardtype = MBH10302;
394 else if (link->card_id == PRODID_FUJITSU_MBH10302)
395 /* RATOC REX-5588/9822/4886's PRODID are 0004(=MBH10302),
396 but these are MBH10304 based card. */
397 cardtype = MBH10304;
398 else if (link->card_id == PRODID_FUJITSU_MBH10304)
399 cardtype = MBH10304;
400 else
401 cardtype = LA501;
402 break;
403 default:
404 cardtype = MBH10304;
405 }
406 } else {
407 /* old type card */
408 switch (link->manf_id) {
409 case MANFID_FUJITSU:
410 if (link->card_id == PRODID_FUJITSU_MBH10304) {
411 cardtype = XXX10304; /* MBH10304 with buggy CIS */
412 link->conf.ConfigIndex = 0x20;
413 } else {
414 cardtype = MBH10302; /* NextCom NC5310, etc. */
415 link->conf.ConfigIndex = 1;
416 }
417 break;
418 case MANFID_UNGERMANN:
419 cardtype = UNGERMANN;
420 break;
421 default:
422 cardtype = MBH10302;
423 link->conf.ConfigIndex = 1;
424 }
425 }
426
427 if (link->io.NumPorts2 != 0) {
428 link->irq.Attributes =
429 IRQ_TYPE_DYNAMIC_SHARING;
430 ret = mfc_try_io_port(link);
431 if (ret != 0) goto failed;
432 } else if (cardtype == UNGERMANN) {
433 ret = ungermann_try_io_port(link);
434 if (ret != 0) goto failed;
435 } else {
436 ret = pcmcia_request_io(link, &link->io);
437 if (ret)
438 goto failed;
439 }
440 ret = pcmcia_request_irq(link, &link->irq);
441 if (ret)
442 goto failed;
443 ret = pcmcia_request_configuration(link, &link->conf);
444 if (ret)
445 goto failed;
446
447 dev->irq = link->irq.AssignedIRQ;
448 dev->base_addr = link->io.BasePort1;
449
450 if (link->io.BasePort2 != 0) {
451 ret = fmvj18x_setup_mfc(link);
452 if (ret != 0) goto failed;
453 }
454
455 ioaddr = dev->base_addr;
456
457 /* Reset controller */
458 if (sram_config == 0)
459 outb(CONFIG0_RST, ioaddr + CONFIG_0);
460 else
461 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
462
463 /* Power On chip and select bank 0 */
464 if (cardtype == MBH10302)
465 outb(BANK_0, ioaddr + CONFIG_1);
466 else
467 outb(BANK_0U, ioaddr + CONFIG_1);
468
469 /* Set hardware address */
470 switch (cardtype) {
471 case MBH10304:
472 case TDK:
473 case LA501:
474 case CONTEC:
475 case NEC:
476 case KME:
477 if (cardtype == MBH10304) {
478 card_name = "FMV-J182";
479
480 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
481 if (len < 11) {
482 kfree(buf);
483 goto failed;
484 }
485 /* Read MACID from CIS */
486 for (i = 5; i < 11; i++)
487 dev->dev_addr[i] = buf[i];
488 kfree(buf);
489 } else {
490 if (pcmcia_get_mac_from_cis(link, dev))
491 goto failed;
492 if( cardtype == TDK ) {
493 card_name = "TDK LAK-CD021";
494 } else if( cardtype == LA501 ) {
495 card_name = "LA501";
496 } else if( cardtype == NEC ) {
497 card_name = "PK-UG-J001";
498 } else if( cardtype == KME ) {
499 card_name = "Panasonic";
500 } else {
501 card_name = "C-NET(PC)C";
502 }
503 }
504 break;
505 case UNGERMANN:
506 /* Read MACID from register */
507 for (i = 0; i < 6; i++)
508 dev->dev_addr[i] = inb(ioaddr + UNGERMANN_MAC_ID + i);
509 card_name = "Access/CARD";
510 break;
511 case XXX10304:
512 /* Read MACID from Buggy CIS */
513 if (fmvj18x_get_hwinfo(link, buggybuf) == -1) {
514 printk(KERN_NOTICE "fmvj18x_cs: unable to read hardware net address.\n");
515 goto failed;
516 }
517 for (i = 0 ; i < 6; i++) {
518 dev->dev_addr[i] = buggybuf[i];
519 }
520 card_name = "FMV-J182";
521 break;
522 case MBH10302:
523 default:
524 /* Read MACID from register */
525 for (i = 0; i < 6; i++)
526 dev->dev_addr[i] = inb(ioaddr + MAC_ID + i);
527 card_name = "FMV-J181";
528 break;
529 }
530
531 lp->cardtype = cardtype;
532 link->dev_node = &lp->node;
533 SET_NETDEV_DEV(dev, &link->dev);
534
535 if (register_netdev(dev) != 0) {
536 printk(KERN_NOTICE "fmvj18x_cs: register_netdev() failed\n");
537 link->dev_node = NULL;
538 goto failed;
539 }
540
541 strcpy(lp->node.dev_name, dev->name);
542
543 /* print current configuration */
544 printk(KERN_INFO "%s: %s, sram %s, port %#3lx, irq %d, "
545 "hw_addr %pM\n",
546 dev->name, card_name, sram_config == 0 ? "4K TX*2" : "8K TX*2",
547 dev->base_addr, dev->irq, dev->dev_addr);
548
549 return 0;
550
551 failed:
552 fmvj18x_release(link);
553 return -ENODEV;
554 } /* fmvj18x_config */
555 /*====================================================================*/
556
557 static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id)
558 {
559 win_req_t req;
560 memreq_t mem;
561 u_char __iomem *base;
562 int i, j;
563
564 /* Allocate a small memory window */
565 req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
566 req.Base = 0; req.Size = 0;
567 req.AccessSpeed = 0;
568 i = pcmcia_request_window(link, &req, &link->win);
569 if (i != 0)
570 return -1;
571
572 base = ioremap(req.Base, req.Size);
573 mem.Page = 0;
574 mem.CardOffset = 0;
575 pcmcia_map_mem_page(link, link->win, &mem);
576
577 /*
578 * MBH10304 CISTPL_FUNCE_LAN_NODE_ID format
579 * 22 0d xx xx xx 04 06 yy yy yy yy yy yy ff
580 * 'xx' is garbage.
581 * 'yy' is MAC address.
582 */
583 for (i = 0; i < 0x200; i++) {
584 if (readb(base+i*2) == 0x22) {
585 if (readb(base+(i-1)*2) == 0xff &&
586 readb(base+(i+5)*2) == 0x04 &&
587 readb(base+(i+6)*2) == 0x06 &&
588 readb(base+(i+13)*2) == 0xff)
589 break;
590 }
591 }
592
593 if (i != 0x200) {
594 for (j = 0 ; j < 6; j++,i++) {
595 node_id[j] = readb(base+(i+7)*2);
596 }
597 }
598
599 iounmap(base);
600 j = pcmcia_release_window(link, link->win);
601 return (i != 0x200) ? 0 : -1;
602
603 } /* fmvj18x_get_hwinfo */
604 /*====================================================================*/
605
606 static int fmvj18x_setup_mfc(struct pcmcia_device *link)
607 {
608 win_req_t req;
609 memreq_t mem;
610 int i;
611 struct net_device *dev = link->priv;
612 unsigned int ioaddr;
613 local_info_t *lp = netdev_priv(dev);
614
615 /* Allocate a small memory window */
616 req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
617 req.Base = 0; req.Size = 0;
618 req.AccessSpeed = 0;
619 i = pcmcia_request_window(link, &req, &link->win);
620 if (i != 0)
621 return -1;
622
623 lp->base = ioremap(req.Base, req.Size);
624 if (lp->base == NULL) {
625 printk(KERN_NOTICE "fmvj18x_cs: ioremap failed\n");
626 return -1;
627 }
628
629 mem.Page = 0;
630 mem.CardOffset = 0;
631 i = pcmcia_map_mem_page(link, link->win, &mem);
632 if (i != 0) {
633 iounmap(lp->base);
634 lp->base = NULL;
635 return -1;
636 }
637
638 ioaddr = dev->base_addr;
639 writeb(0x47, lp->base+0x800); /* Config Option Register of LAN */
640 writeb(0x0, lp->base+0x802); /* Config and Status Register */
641
642 writeb(ioaddr & 0xff, lp->base+0x80a); /* I/O Base(Low) of LAN */
643 writeb((ioaddr >> 8) & 0xff, lp->base+0x80c); /* I/O Base(High) of LAN */
644
645 writeb(0x45, lp->base+0x820); /* Config Option Register of Modem */
646 writeb(0x8, lp->base+0x822); /* Config and Status Register */
647
648 return 0;
649
650 }
651 /*====================================================================*/
652
653 static void fmvj18x_release(struct pcmcia_device *link)
654 {
655
656 struct net_device *dev = link->priv;
657 local_info_t *lp = netdev_priv(dev);
658 u_char __iomem *tmp;
659 int j;
660
661 dev_dbg(&link->dev, "fmvj18x_release\n");
662
663 if (lp->base != NULL) {
664 tmp = lp->base;
665 lp->base = NULL; /* set NULL before iounmap */
666 iounmap(tmp);
667 j = pcmcia_release_window(link, link->win);
668 }
669
670 pcmcia_disable_device(link);
671
672 }
673
674 static int fmvj18x_suspend(struct pcmcia_device *link)
675 {
676 struct net_device *dev = link->priv;
677
678 if (link->open)
679 netif_device_detach(dev);
680
681 return 0;
682 }
683
684 static int fmvj18x_resume(struct pcmcia_device *link)
685 {
686 struct net_device *dev = link->priv;
687
688 if (link->open) {
689 fjn_reset(dev);
690 netif_device_attach(dev);
691 }
692
693 return 0;
694 }
695
696 /*====================================================================*/
697
698 static struct pcmcia_device_id fmvj18x_ids[] = {
699 PCMCIA_DEVICE_MANF_CARD(0x0004, 0x0004),
700 PCMCIA_DEVICE_PROD_ID12("EAGLE Technology", "NE200 ETHERNET LAN MBH10302 04", 0x528c88c4, 0x74f91e59),
701 PCMCIA_DEVICE_PROD_ID12("Eiger Labs,Inc", "EPX-10BT PC Card Ethernet 10BT", 0x53af556e, 0x877f9922),
702 PCMCIA_DEVICE_PROD_ID12("Eiger labs,Inc.", "EPX-10BT PC Card Ethernet 10BT", 0xf47e6c66, 0x877f9922),
703 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "LAN Card(FMV-J182)", 0x6ee5a3d8, 0x5baf31db),
704 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "MBH10308", 0x6ee5a3d8, 0x3f04875e),
705 PCMCIA_DEVICE_PROD_ID12("FUJITSU TOWA", "LA501", 0xb8451188, 0x12939ba2),
706 PCMCIA_DEVICE_PROD_ID12("HITACHI", "HT-4840-11", 0xf4f43949, 0x773910f4),
707 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310B Ver1.0 ", 0x8cef4d3a, 0x075fc7b6),
708 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310 Ver1.0 ", 0x8cef4d3a, 0xbccf43e6),
709 PCMCIA_DEVICE_PROD_ID12("RATOC System Inc.", "10BASE_T CARD R280", 0x85c10e17, 0xd9413666),
710 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CD02x", 0x1eae9475, 0x8fa0ee70),
711 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CF010", 0x1eae9475, 0x7683bc9a),
712 PCMCIA_DEVICE_PROD_ID1("CONTEC Co.,Ltd.", 0x58d8fee2),
713 PCMCIA_DEVICE_PROD_ID1("PCMCIA LAN MBH10304 ES", 0x2599f454),
714 PCMCIA_DEVICE_PROD_ID1("PCMCIA MBH10302", 0x8f4005da),
715 PCMCIA_DEVICE_PROD_ID1("UBKK,V2.0", 0x90888080),
716 PCMCIA_PFC_DEVICE_PROD_ID12(0, "TDK", "GlobalNetworker 3410/3412", 0x1eae9475, 0xd9a93bed),
717 PCMCIA_PFC_DEVICE_PROD_ID12(0, "NEC", "PK-UG-J001" ,0x18df0ba0 ,0x831b1064),
718 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0d0a),
719 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0e0a),
720 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0e01),
721 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0a05),
722 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x1101),
723 PCMCIA_DEVICE_NULL,
724 };
725 MODULE_DEVICE_TABLE(pcmcia, fmvj18x_ids);
726
727 static struct pcmcia_driver fmvj18x_cs_driver = {
728 .owner = THIS_MODULE,
729 .drv = {
730 .name = "fmvj18x_cs",
731 },
732 .probe = fmvj18x_probe,
733 .remove = fmvj18x_detach,
734 .id_table = fmvj18x_ids,
735 .suspend = fmvj18x_suspend,
736 .resume = fmvj18x_resume,
737 };
738
739 static int __init init_fmvj18x_cs(void)
740 {
741 return pcmcia_register_driver(&fmvj18x_cs_driver);
742 }
743
744 static void __exit exit_fmvj18x_cs(void)
745 {
746 pcmcia_unregister_driver(&fmvj18x_cs_driver);
747 }
748
749 module_init(init_fmvj18x_cs);
750 module_exit(exit_fmvj18x_cs);
751
752 /*====================================================================*/
753
754 static irqreturn_t fjn_interrupt(int dummy, void *dev_id)
755 {
756 struct net_device *dev = dev_id;
757 local_info_t *lp = netdev_priv(dev);
758 unsigned int ioaddr;
759 unsigned short tx_stat, rx_stat;
760
761 ioaddr = dev->base_addr;
762
763 /* avoid multiple interrupts */
764 outw(0x0000, ioaddr + TX_INTR);
765
766 /* wait for a while */
767 udelay(1);
768
769 /* get status */
770 tx_stat = inb(ioaddr + TX_STATUS);
771 rx_stat = inb(ioaddr + RX_STATUS);
772
773 /* clear status */
774 outb(tx_stat, ioaddr + TX_STATUS);
775 outb(rx_stat, ioaddr + RX_STATUS);
776
777 pr_debug("%s: interrupt, rx_status %02x.\n", dev->name, rx_stat);
778 pr_debug(" tx_status %02x.\n", tx_stat);
779
780 if (rx_stat || (inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
781 /* there is packet(s) in rx buffer */
782 fjn_rx(dev);
783 }
784 if (tx_stat & F_TMT_RDY) {
785 dev->stats.tx_packets += lp->sent ;
786 lp->sent = 0 ;
787 if (lp->tx_queue) {
788 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
789 lp->sent = lp->tx_queue ;
790 lp->tx_queue = 0;
791 lp->tx_queue_len = 0;
792 dev->trans_start = jiffies;
793 } else {
794 lp->tx_started = 0;
795 }
796 netif_wake_queue(dev);
797 }
798 pr_debug("%s: exiting interrupt,\n", dev->name);
799 pr_debug(" tx_status %02x, rx_status %02x.\n", tx_stat, rx_stat);
800
801 outb(D_TX_INTR, ioaddr + TX_INTR);
802 outb(D_RX_INTR, ioaddr + RX_INTR);
803
804 if (lp->base != NULL) {
805 /* Ack interrupt for multifunction card */
806 writeb(0x01, lp->base+0x802);
807 writeb(0x09, lp->base+0x822);
808 }
809
810 return IRQ_HANDLED;
811
812 } /* fjn_interrupt */
813
814 /*====================================================================*/
815
816 static void fjn_tx_timeout(struct net_device *dev)
817 {
818 struct local_info_t *lp = netdev_priv(dev);
819 unsigned int ioaddr = dev->base_addr;
820
821 printk(KERN_NOTICE "%s: transmit timed out with status %04x, %s?\n",
822 dev->name, htons(inw(ioaddr + TX_STATUS)),
823 inb(ioaddr + TX_STATUS) & F_TMT_RDY
824 ? "IRQ conflict" : "network cable problem");
825 printk(KERN_NOTICE "%s: timeout registers: %04x %04x %04x "
826 "%04x %04x %04x %04x %04x.\n",
827 dev->name, htons(inw(ioaddr + 0)),
828 htons(inw(ioaddr + 2)), htons(inw(ioaddr + 4)),
829 htons(inw(ioaddr + 6)), htons(inw(ioaddr + 8)),
830 htons(inw(ioaddr +10)), htons(inw(ioaddr +12)),
831 htons(inw(ioaddr +14)));
832 dev->stats.tx_errors++;
833 /* ToDo: We should try to restart the adaptor... */
834 local_irq_disable();
835 fjn_reset(dev);
836
837 lp->tx_started = 0;
838 lp->tx_queue = 0;
839 lp->tx_queue_len = 0;
840 lp->sent = 0;
841 lp->open_time = jiffies;
842 local_irq_enable();
843 netif_wake_queue(dev);
844 }
845
846 static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
847 struct net_device *dev)
848 {
849 struct local_info_t *lp = netdev_priv(dev);
850 unsigned int ioaddr = dev->base_addr;
851 short length = skb->len;
852
853 if (length < ETH_ZLEN)
854 {
855 if (skb_padto(skb, ETH_ZLEN))
856 return NETDEV_TX_OK;
857 length = ETH_ZLEN;
858 }
859
860 netif_stop_queue(dev);
861
862 {
863 unsigned char *buf = skb->data;
864
865 if (length > ETH_FRAME_LEN) {
866 printk(KERN_NOTICE "%s: Attempting to send a large packet"
867 " (%d bytes).\n", dev->name, length);
868 return NETDEV_TX_BUSY;
869 }
870
871 pr_debug("%s: Transmitting a packet of length %lu.\n",
872 dev->name, (unsigned long)skb->len);
873 dev->stats.tx_bytes += skb->len;
874
875 /* Disable both interrupts. */
876 outw(0x0000, ioaddr + TX_INTR);
877
878 /* wait for a while */
879 udelay(1);
880
881 outw(length, ioaddr + DATAPORT);
882 outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1);
883
884 lp->tx_queue++;
885 lp->tx_queue_len += ((length+3) & ~1);
886
887 if (lp->tx_started == 0) {
888 /* If the Tx is idle, always trigger a transmit. */
889 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
890 lp->sent = lp->tx_queue ;
891 lp->tx_queue = 0;
892 lp->tx_queue_len = 0;
893 dev->trans_start = jiffies;
894 lp->tx_started = 1;
895 netif_start_queue(dev);
896 } else {
897 if( sram_config == 0 ) {
898 if (lp->tx_queue_len < (4096 - (ETH_FRAME_LEN +2)) )
899 /* Yes, there is room for one more packet. */
900 netif_start_queue(dev);
901 } else {
902 if (lp->tx_queue_len < (8192 - (ETH_FRAME_LEN +2)) &&
903 lp->tx_queue < 127 )
904 /* Yes, there is room for one more packet. */
905 netif_start_queue(dev);
906 }
907 }
908
909 /* Re-enable interrupts */
910 outb(D_TX_INTR, ioaddr + TX_INTR);
911 outb(D_RX_INTR, ioaddr + RX_INTR);
912 }
913 dev_kfree_skb (skb);
914
915 return NETDEV_TX_OK;
916 } /* fjn_start_xmit */
917
918 /*====================================================================*/
919
920 static void fjn_reset(struct net_device *dev)
921 {
922 struct local_info_t *lp = netdev_priv(dev);
923 unsigned int ioaddr = dev->base_addr;
924 int i;
925
926 pr_debug("fjn_reset(%s) called.\n",dev->name);
927
928 /* Reset controller */
929 if( sram_config == 0 )
930 outb(CONFIG0_RST, ioaddr + CONFIG_0);
931 else
932 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
933
934 /* Power On chip and select bank 0 */
935 if (lp->cardtype == MBH10302)
936 outb(BANK_0, ioaddr + CONFIG_1);
937 else
938 outb(BANK_0U, ioaddr + CONFIG_1);
939
940 /* Set Tx modes */
941 outb(D_TX_MODE, ioaddr + TX_MODE);
942 /* set Rx modes */
943 outb(ID_MATCHED, ioaddr + RX_MODE);
944
945 /* Set hardware address */
946 for (i = 0; i < 6; i++)
947 outb(dev->dev_addr[i], ioaddr + NODE_ID + i);
948
949 /* (re)initialize the multicast table */
950 set_rx_mode(dev);
951
952 /* Switch to bank 2 (runtime mode) */
953 if (lp->cardtype == MBH10302)
954 outb(BANK_2, ioaddr + CONFIG_1);
955 else
956 outb(BANK_2U, ioaddr + CONFIG_1);
957
958 /* set 16col ctrl bits */
959 if( lp->cardtype == TDK || lp->cardtype == CONTEC)
960 outb(TDK_AUTO_MODE, ioaddr + COL_CTRL);
961 else
962 outb(AUTO_MODE, ioaddr + COL_CTRL);
963
964 /* clear Reserved Regs */
965 outb(0x00, ioaddr + BMPR12);
966 outb(0x00, ioaddr + BMPR13);
967
968 /* reset Skip packet reg. */
969 outb(0x01, ioaddr + RX_SKIP);
970
971 /* Enable Tx and Rx */
972 if( sram_config == 0 )
973 outb(CONFIG0_DFL, ioaddr + CONFIG_0);
974 else
975 outb(CONFIG0_DFL_1, ioaddr + CONFIG_0);
976
977 /* Init receive pointer ? */
978 inw(ioaddr + DATAPORT);
979 inw(ioaddr + DATAPORT);
980
981 /* Clear all status */
982 outb(0xff, ioaddr + TX_STATUS);
983 outb(0xff, ioaddr + RX_STATUS);
984
985 if (lp->cardtype == MBH10302)
986 outb(INTR_OFF, ioaddr + LAN_CTRL);
987
988 /* Turn on Rx interrupts */
989 outb(D_TX_INTR, ioaddr + TX_INTR);
990 outb(D_RX_INTR, ioaddr + RX_INTR);
991
992 /* Turn on interrupts from LAN card controller */
993 if (lp->cardtype == MBH10302)
994 outb(INTR_ON, ioaddr + LAN_CTRL);
995 } /* fjn_reset */
996
997 /*====================================================================*/
998
999 static void fjn_rx(struct net_device *dev)
1000 {
1001 unsigned int ioaddr = dev->base_addr;
1002 int boguscount = 10; /* 5 -> 10: by agy 19940922 */
1003
1004 pr_debug("%s: in rx_packet(), rx_status %02x.\n",
1005 dev->name, inb(ioaddr + RX_STATUS));
1006
1007 while ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
1008 u_short status = inw(ioaddr + DATAPORT);
1009
1010 pr_debug("%s: Rxing packet mode %02x status %04x.\n",
1011 dev->name, inb(ioaddr + RX_MODE), status);
1012 #ifndef final_version
1013 if (status == 0) {
1014 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1015 break;
1016 }
1017 #endif
1018 if ((status & 0xF0) != 0x20) { /* There was an error. */
1019 dev->stats.rx_errors++;
1020 if (status & F_LEN_ERR) dev->stats.rx_length_errors++;
1021 if (status & F_ALG_ERR) dev->stats.rx_frame_errors++;
1022 if (status & F_CRC_ERR) dev->stats.rx_crc_errors++;
1023 if (status & F_OVR_FLO) dev->stats.rx_over_errors++;
1024 } else {
1025 u_short pkt_len = inw(ioaddr + DATAPORT);
1026 /* Malloc up new buffer. */
1027 struct sk_buff *skb;
1028
1029 if (pkt_len > 1550) {
1030 printk(KERN_NOTICE "%s: The FMV-18x claimed a very "
1031 "large packet, size %d.\n", dev->name, pkt_len);
1032 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1033 dev->stats.rx_errors++;
1034 break;
1035 }
1036 skb = dev_alloc_skb(pkt_len+2);
1037 if (skb == NULL) {
1038 printk(KERN_NOTICE "%s: Memory squeeze, dropping "
1039 "packet (len %d).\n", dev->name, pkt_len);
1040 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1041 dev->stats.rx_dropped++;
1042 break;
1043 }
1044
1045 skb_reserve(skb, 2);
1046 insw(ioaddr + DATAPORT, skb_put(skb, pkt_len),
1047 (pkt_len + 1) >> 1);
1048 skb->protocol = eth_type_trans(skb, dev);
1049
1050 {
1051 int i;
1052 pr_debug("%s: Rxed packet of length %d: ",
1053 dev->name, pkt_len);
1054 for (i = 0; i < 14; i++)
1055 pr_debug(" %02x", skb->data[i]);
1056 pr_debug(".\n");
1057 }
1058
1059 netif_rx(skb);
1060 dev->stats.rx_packets++;
1061 dev->stats.rx_bytes += pkt_len;
1062 }
1063 if (--boguscount <= 0)
1064 break;
1065 }
1066
1067 /* If any worth-while packets have been received, dev_rint()
1068 has done a netif_wake_queue() for us and will work on them
1069 when we get to the bottom-half routine. */
1070 /*
1071 if (lp->cardtype != TDK) {
1072 int i;
1073 for (i = 0; i < 20; i++) {
1074 if ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == F_BUF_EMP)
1075 break;
1076 (void)inw(ioaddr + DATAPORT); /+ dummy status read +/
1077 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1078 }
1079
1080 if (i > 0)
1081 pr_debug("%s: Exint Rx packet with mode %02x after "
1082 "%d ticks.\n", dev->name, inb(ioaddr + RX_MODE), i);
1083 }
1084 */
1085
1086 return;
1087 } /* fjn_rx */
1088
1089 /*====================================================================*/
1090
1091 static void netdev_get_drvinfo(struct net_device *dev,
1092 struct ethtool_drvinfo *info)
1093 {
1094 strcpy(info->driver, DRV_NAME);
1095 strcpy(info->version, DRV_VERSION);
1096 sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr);
1097 }
1098
1099 static const struct ethtool_ops netdev_ethtool_ops = {
1100 .get_drvinfo = netdev_get_drvinfo,
1101 };
1102
1103 static int fjn_config(struct net_device *dev, struct ifmap *map){
1104 return 0;
1105 }
1106
1107 static int fjn_open(struct net_device *dev)
1108 {
1109 struct local_info_t *lp = netdev_priv(dev);
1110 struct pcmcia_device *link = lp->p_dev;
1111
1112 pr_debug("fjn_open('%s').\n", dev->name);
1113
1114 if (!pcmcia_dev_present(link))
1115 return -ENODEV;
1116
1117 link->open++;
1118
1119 fjn_reset(dev);
1120
1121 lp->tx_started = 0;
1122 lp->tx_queue = 0;
1123 lp->tx_queue_len = 0;
1124 lp->open_time = jiffies;
1125 netif_start_queue(dev);
1126
1127 return 0;
1128 } /* fjn_open */
1129
1130 /*====================================================================*/
1131
1132 static int fjn_close(struct net_device *dev)
1133 {
1134 struct local_info_t *lp = netdev_priv(dev);
1135 struct pcmcia_device *link = lp->p_dev;
1136 unsigned int ioaddr = dev->base_addr;
1137
1138 pr_debug("fjn_close('%s').\n", dev->name);
1139
1140 lp->open_time = 0;
1141 netif_stop_queue(dev);
1142
1143 /* Set configuration register 0 to disable Tx and Rx. */
1144 if( sram_config == 0 )
1145 outb(CONFIG0_RST ,ioaddr + CONFIG_0);
1146 else
1147 outb(CONFIG0_RST_1 ,ioaddr + CONFIG_0);
1148
1149 /* Update the statistics -- ToDo. */
1150
1151 /* Power-down the chip. Green, green, green! */
1152 outb(CHIP_OFF ,ioaddr + CONFIG_1);
1153
1154 /* Set the ethernet adaptor disable IRQ */
1155 if (lp->cardtype == MBH10302)
1156 outb(INTR_OFF, ioaddr + LAN_CTRL);
1157
1158 link->open--;
1159
1160 return 0;
1161 } /* fjn_close */
1162
1163 /*====================================================================*/
1164
1165 /*
1166 Set the multicast/promiscuous mode for this adaptor.
1167 */
1168
1169 static void set_rx_mode(struct net_device *dev)
1170 {
1171 unsigned int ioaddr = dev->base_addr;
1172 u_char mc_filter[8]; /* Multicast hash filter */
1173 u_long flags;
1174 int i;
1175
1176 int saved_bank;
1177 int saved_config_0 = inb(ioaddr + CONFIG_0);
1178
1179 local_irq_save(flags);
1180
1181 /* Disable Tx and Rx */
1182 if (sram_config == 0)
1183 outb(CONFIG0_RST, ioaddr + CONFIG_0);
1184 else
1185 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
1186
1187 if (dev->flags & IFF_PROMISC) {
1188 memset(mc_filter, 0xff, sizeof(mc_filter));
1189 outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */
1190 } else if (netdev_mc_count(dev) > MC_FILTERBREAK ||
1191 (dev->flags & IFF_ALLMULTI)) {
1192 /* Too many to filter perfectly -- accept all multicasts. */
1193 memset(mc_filter, 0xff, sizeof(mc_filter));
1194 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1195 } else if (netdev_mc_empty(dev)) {
1196 memset(mc_filter, 0x00, sizeof(mc_filter));
1197 outb(1, ioaddr + RX_MODE); /* Ignore almost all multicasts. */
1198 } else {
1199 struct dev_mc_list *mclist;
1200
1201 memset(mc_filter, 0, sizeof(mc_filter));
1202 for (i = 0, mclist = dev->mc_list; mclist && i < netdev_mc_count(dev);
1203 i++, mclist = mclist->next) {
1204 unsigned int bit =
1205 ether_crc_le(ETH_ALEN, mclist->dmi_addr) >> 26;
1206 mc_filter[bit >> 3] |= (1 << (bit & 7));
1207 }
1208 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1209 }
1210
1211 /* Switch to bank 1 and set the multicast table. */
1212 saved_bank = inb(ioaddr + CONFIG_1);
1213 outb(0xe4, ioaddr + CONFIG_1);
1214
1215 for (i = 0; i < 8; i++)
1216 outb(mc_filter[i], ioaddr + MAR_ADR + i);
1217 outb(saved_bank, ioaddr + CONFIG_1);
1218
1219 outb(saved_config_0, ioaddr + CONFIG_0);
1220
1221 local_irq_restore(flags);
1222 }
Linus' kernel tree