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pcmcia: use autoconfiguration feature for ioports and iomem
[deliverable/linux.git] / drivers / net / pcmcia / fmvj18x_cs.c
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/cistpl.h>
53 #include <pcmcia/ciscode.h>
54 #include <pcmcia/ds.h>
55
56 #include <asm/uaccess.h>
57 #include <asm/io.h>
58 #include <asm/system.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 typedef enum { MBH10302, MBH10304, TDK, CONTEC, LA501, UNGERMANN,
103 XXX10304, NEC, KME
104 } cardtype_t;
105
106 /*
107 driver specific data structure
108 */
109 typedef struct local_info_t {
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 cardtype_t cardtype;
116 u_short sent;
117 u_char __iomem *base;
118 } local_info_t;
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_multicast_list = 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
233 static int fmvj18x_probe(struct pcmcia_device *link)
234 {
235 local_info_t *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(local_info_t));
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 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
260
261 return fmvj18x_config(link);
262 } /* fmvj18x_attach */
263
264 /*====================================================================*/
265
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
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 printk(KERN_NOTICE "fmvj18x_cs: 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
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
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
327 static int fmvj18x_config(struct pcmcia_device *link)
328 {
329 struct net_device *dev = link->priv;
330 local_info_t *lp = netdev_priv(dev);
331 int i, ret;
332 unsigned int ioaddr;
333 cardtype_t 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 printk(KERN_NOTICE "fmvj18x_cs: 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 printk(KERN_NOTICE "fmvj18x_cs: register_netdev() failed\n");
522 goto failed;
523 }
524
525 /* print current configuration */
526 printk(KERN_INFO "%s: %s, sram %s, port %#3lx, irq %d, "
527 "hw_addr %pM\n",
528 dev->name, card_name, sram_config == 0 ? "4K TX*2" : "8K TX*2",
529 dev->base_addr, dev->irq, dev->dev_addr);
530
531 return 0;
532
533 failed:
534 fmvj18x_release(link);
535 return -ENODEV;
536 } /* fmvj18x_config */
537 /*====================================================================*/
538
539 static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id)
540 {
541 u_char __iomem *base;
542 int i, j;
543
544 /* Allocate a small memory window */
545 link->resource[2]->flags |= WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
546 link->resource[2]->start = 0; link->resource[2]->end = 0;
547 i = pcmcia_request_window(link, link->resource[2], 0);
548 if (i != 0)
549 return -1;
550
551 base = ioremap(link->resource[2]->start, resource_size(link->resource[2]));
552 pcmcia_map_mem_page(link, link->resource[2], 0);
553
554 /*
555 * MBH10304 CISTPL_FUNCE_LAN_NODE_ID format
556 * 22 0d xx xx xx 04 06 yy yy yy yy yy yy ff
557 * 'xx' is garbage.
558 * 'yy' is MAC address.
559 */
560 for (i = 0; i < 0x200; i++) {
561 if (readb(base+i*2) == 0x22) {
562 if (readb(base+(i-1)*2) == 0xff &&
563 readb(base+(i+5)*2) == 0x04 &&
564 readb(base+(i+6)*2) == 0x06 &&
565 readb(base+(i+13)*2) == 0xff)
566 break;
567 }
568 }
569
570 if (i != 0x200) {
571 for (j = 0 ; j < 6; j++,i++) {
572 node_id[j] = readb(base+(i+7)*2);
573 }
574 }
575
576 iounmap(base);
577 j = pcmcia_release_window(link, link->resource[2]);
578 return (i != 0x200) ? 0 : -1;
579
580 } /* fmvj18x_get_hwinfo */
581 /*====================================================================*/
582
583 static int fmvj18x_setup_mfc(struct pcmcia_device *link)
584 {
585 int i;
586 struct net_device *dev = link->priv;
587 unsigned int ioaddr;
588 local_info_t *lp = netdev_priv(dev);
589
590 /* Allocate a small memory window */
591 link->resource[3]->flags = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
592 link->resource[3]->start = link->resource[3]->end = 0;
593 i = pcmcia_request_window(link, link->resource[3], 0);
594 if (i != 0)
595 return -1;
596
597 lp->base = ioremap(link->resource[3]->start,
598 resource_size(link->resource[3]));
599 if (lp->base == NULL) {
600 printk(KERN_NOTICE "fmvj18x_cs: ioremap failed\n");
601 return -1;
602 }
603
604 i = pcmcia_map_mem_page(link, link->resource[3], 0);
605 if (i != 0) {
606 iounmap(lp->base);
607 lp->base = NULL;
608 return -1;
609 }
610
611 ioaddr = dev->base_addr;
612 writeb(0x47, lp->base+0x800); /* Config Option Register of LAN */
613 writeb(0x0, lp->base+0x802); /* Config and Status Register */
614
615 writeb(ioaddr & 0xff, lp->base+0x80a); /* I/O Base(Low) of LAN */
616 writeb((ioaddr >> 8) & 0xff, lp->base+0x80c); /* I/O Base(High) of LAN */
617
618 writeb(0x45, lp->base+0x820); /* Config Option Register of Modem */
619 writeb(0x8, lp->base+0x822); /* Config and Status Register */
620
621 return 0;
622
623 }
624 /*====================================================================*/
625
626 static void fmvj18x_release(struct pcmcia_device *link)
627 {
628
629 struct net_device *dev = link->priv;
630 local_info_t *lp = netdev_priv(dev);
631 u_char __iomem *tmp;
632
633 dev_dbg(&link->dev, "fmvj18x_release\n");
634
635 if (lp->base != NULL) {
636 tmp = lp->base;
637 lp->base = NULL; /* set NULL before iounmap */
638 iounmap(tmp);
639 }
640
641 pcmcia_disable_device(link);
642
643 }
644
645 static int fmvj18x_suspend(struct pcmcia_device *link)
646 {
647 struct net_device *dev = link->priv;
648
649 if (link->open)
650 netif_device_detach(dev);
651
652 return 0;
653 }
654
655 static int fmvj18x_resume(struct pcmcia_device *link)
656 {
657 struct net_device *dev = link->priv;
658
659 if (link->open) {
660 fjn_reset(dev);
661 netif_device_attach(dev);
662 }
663
664 return 0;
665 }
666
667 /*====================================================================*/
668
669 static struct pcmcia_device_id fmvj18x_ids[] = {
670 PCMCIA_DEVICE_MANF_CARD(0x0004, 0x0004),
671 PCMCIA_DEVICE_PROD_ID12("EAGLE Technology", "NE200 ETHERNET LAN MBH10302 04", 0x528c88c4, 0x74f91e59),
672 PCMCIA_DEVICE_PROD_ID12("Eiger Labs,Inc", "EPX-10BT PC Card Ethernet 10BT", 0x53af556e, 0x877f9922),
673 PCMCIA_DEVICE_PROD_ID12("Eiger labs,Inc.", "EPX-10BT PC Card Ethernet 10BT", 0xf47e6c66, 0x877f9922),
674 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "LAN Card(FMV-J182)", 0x6ee5a3d8, 0x5baf31db),
675 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "MBH10308", 0x6ee5a3d8, 0x3f04875e),
676 PCMCIA_DEVICE_PROD_ID12("FUJITSU TOWA", "LA501", 0xb8451188, 0x12939ba2),
677 PCMCIA_DEVICE_PROD_ID12("HITACHI", "HT-4840-11", 0xf4f43949, 0x773910f4),
678 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310B Ver1.0 ", 0x8cef4d3a, 0x075fc7b6),
679 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310 Ver1.0 ", 0x8cef4d3a, 0xbccf43e6),
680 PCMCIA_DEVICE_PROD_ID12("RATOC System Inc.", "10BASE_T CARD R280", 0x85c10e17, 0xd9413666),
681 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CD02x", 0x1eae9475, 0x8fa0ee70),
682 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CF010", 0x1eae9475, 0x7683bc9a),
683 PCMCIA_DEVICE_PROD_ID1("CONTEC Co.,Ltd.", 0x58d8fee2),
684 PCMCIA_DEVICE_PROD_ID1("PCMCIA LAN MBH10304 ES", 0x2599f454),
685 PCMCIA_DEVICE_PROD_ID1("PCMCIA MBH10302", 0x8f4005da),
686 PCMCIA_DEVICE_PROD_ID1("UBKK,V2.0", 0x90888080),
687 PCMCIA_PFC_DEVICE_PROD_ID12(0, "TDK", "GlobalNetworker 3410/3412", 0x1eae9475, 0xd9a93bed),
688 PCMCIA_PFC_DEVICE_PROD_ID12(0, "NEC", "PK-UG-J001" ,0x18df0ba0 ,0x831b1064),
689 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0d0a),
690 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0e0a),
691 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0e01),
692 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0a05),
693 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x1101),
694 PCMCIA_DEVICE_NULL,
695 };
696 MODULE_DEVICE_TABLE(pcmcia, fmvj18x_ids);
697
698 static struct pcmcia_driver fmvj18x_cs_driver = {
699 .owner = THIS_MODULE,
700 .drv = {
701 .name = "fmvj18x_cs",
702 },
703 .probe = fmvj18x_probe,
704 .remove = fmvj18x_detach,
705 .id_table = fmvj18x_ids,
706 .suspend = fmvj18x_suspend,
707 .resume = fmvj18x_resume,
708 };
709
710 static int __init init_fmvj18x_cs(void)
711 {
712 return pcmcia_register_driver(&fmvj18x_cs_driver);
713 }
714
715 static void __exit exit_fmvj18x_cs(void)
716 {
717 pcmcia_unregister_driver(&fmvj18x_cs_driver);
718 }
719
720 module_init(init_fmvj18x_cs);
721 module_exit(exit_fmvj18x_cs);
722
723 /*====================================================================*/
724
725 static irqreturn_t fjn_interrupt(int dummy, void *dev_id)
726 {
727 struct net_device *dev = dev_id;
728 local_info_t *lp = netdev_priv(dev);
729 unsigned int ioaddr;
730 unsigned short tx_stat, rx_stat;
731
732 ioaddr = dev->base_addr;
733
734 /* avoid multiple interrupts */
735 outw(0x0000, ioaddr + TX_INTR);
736
737 /* wait for a while */
738 udelay(1);
739
740 /* get status */
741 tx_stat = inb(ioaddr + TX_STATUS);
742 rx_stat = inb(ioaddr + RX_STATUS);
743
744 /* clear status */
745 outb(tx_stat, ioaddr + TX_STATUS);
746 outb(rx_stat, ioaddr + RX_STATUS);
747
748 pr_debug("%s: interrupt, rx_status %02x.\n", dev->name, rx_stat);
749 pr_debug(" tx_status %02x.\n", tx_stat);
750
751 if (rx_stat || (inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
752 /* there is packet(s) in rx buffer */
753 fjn_rx(dev);
754 }
755 if (tx_stat & F_TMT_RDY) {
756 dev->stats.tx_packets += lp->sent ;
757 lp->sent = 0 ;
758 if (lp->tx_queue) {
759 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
760 lp->sent = lp->tx_queue ;
761 lp->tx_queue = 0;
762 lp->tx_queue_len = 0;
763 dev->trans_start = jiffies;
764 } else {
765 lp->tx_started = 0;
766 }
767 netif_wake_queue(dev);
768 }
769 pr_debug("%s: exiting interrupt,\n", dev->name);
770 pr_debug(" tx_status %02x, rx_status %02x.\n", tx_stat, rx_stat);
771
772 outb(D_TX_INTR, ioaddr + TX_INTR);
773 outb(D_RX_INTR, ioaddr + RX_INTR);
774
775 if (lp->base != NULL) {
776 /* Ack interrupt for multifunction card */
777 writeb(0x01, lp->base+0x802);
778 writeb(0x09, lp->base+0x822);
779 }
780
781 return IRQ_HANDLED;
782
783 } /* fjn_interrupt */
784
785 /*====================================================================*/
786
787 static void fjn_tx_timeout(struct net_device *dev)
788 {
789 struct local_info_t *lp = netdev_priv(dev);
790 unsigned int ioaddr = dev->base_addr;
791
792 printk(KERN_NOTICE "%s: transmit timed out with status %04x, %s?\n",
793 dev->name, htons(inw(ioaddr + TX_STATUS)),
794 inb(ioaddr + TX_STATUS) & F_TMT_RDY
795 ? "IRQ conflict" : "network cable problem");
796 printk(KERN_NOTICE "%s: timeout registers: %04x %04x %04x "
797 "%04x %04x %04x %04x %04x.\n",
798 dev->name, htons(inw(ioaddr + 0)),
799 htons(inw(ioaddr + 2)), htons(inw(ioaddr + 4)),
800 htons(inw(ioaddr + 6)), htons(inw(ioaddr + 8)),
801 htons(inw(ioaddr +10)), htons(inw(ioaddr +12)),
802 htons(inw(ioaddr +14)));
803 dev->stats.tx_errors++;
804 /* ToDo: We should try to restart the adaptor... */
805 local_irq_disable();
806 fjn_reset(dev);
807
808 lp->tx_started = 0;
809 lp->tx_queue = 0;
810 lp->tx_queue_len = 0;
811 lp->sent = 0;
812 lp->open_time = jiffies;
813 local_irq_enable();
814 netif_wake_queue(dev);
815 }
816
817 static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
818 struct net_device *dev)
819 {
820 struct local_info_t *lp = netdev_priv(dev);
821 unsigned int ioaddr = dev->base_addr;
822 short length = skb->len;
823
824 if (length < ETH_ZLEN)
825 {
826 if (skb_padto(skb, ETH_ZLEN))
827 return NETDEV_TX_OK;
828 length = ETH_ZLEN;
829 }
830
831 netif_stop_queue(dev);
832
833 {
834 unsigned char *buf = skb->data;
835
836 if (length > ETH_FRAME_LEN) {
837 printk(KERN_NOTICE "%s: Attempting to send a large packet"
838 " (%d bytes).\n", dev->name, length);
839 return NETDEV_TX_BUSY;
840 }
841
842 pr_debug("%s: Transmitting a packet of length %lu.\n",
843 dev->name, (unsigned long)skb->len);
844 dev->stats.tx_bytes += skb->len;
845
846 /* Disable both interrupts. */
847 outw(0x0000, ioaddr + TX_INTR);
848
849 /* wait for a while */
850 udelay(1);
851
852 outw(length, ioaddr + DATAPORT);
853 outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1);
854
855 lp->tx_queue++;
856 lp->tx_queue_len += ((length+3) & ~1);
857
858 if (lp->tx_started == 0) {
859 /* If the Tx is idle, always trigger a transmit. */
860 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
861 lp->sent = lp->tx_queue ;
862 lp->tx_queue = 0;
863 lp->tx_queue_len = 0;
864 lp->tx_started = 1;
865 netif_start_queue(dev);
866 } else {
867 if( sram_config == 0 ) {
868 if (lp->tx_queue_len < (4096 - (ETH_FRAME_LEN +2)) )
869 /* Yes, there is room for one more packet. */
870 netif_start_queue(dev);
871 } else {
872 if (lp->tx_queue_len < (8192 - (ETH_FRAME_LEN +2)) &&
873 lp->tx_queue < 127 )
874 /* Yes, there is room for one more packet. */
875 netif_start_queue(dev);
876 }
877 }
878
879 /* Re-enable interrupts */
880 outb(D_TX_INTR, ioaddr + TX_INTR);
881 outb(D_RX_INTR, ioaddr + RX_INTR);
882 }
883 dev_kfree_skb (skb);
884
885 return NETDEV_TX_OK;
886 } /* fjn_start_xmit */
887
888 /*====================================================================*/
889
890 static void fjn_reset(struct net_device *dev)
891 {
892 struct local_info_t *lp = netdev_priv(dev);
893 unsigned int ioaddr = dev->base_addr;
894 int i;
895
896 pr_debug("fjn_reset(%s) called.\n",dev->name);
897
898 /* Reset controller */
899 if( sram_config == 0 )
900 outb(CONFIG0_RST, ioaddr + CONFIG_0);
901 else
902 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
903
904 /* Power On chip and select bank 0 */
905 if (lp->cardtype == MBH10302)
906 outb(BANK_0, ioaddr + CONFIG_1);
907 else
908 outb(BANK_0U, ioaddr + CONFIG_1);
909
910 /* Set Tx modes */
911 outb(D_TX_MODE, ioaddr + TX_MODE);
912 /* set Rx modes */
913 outb(ID_MATCHED, ioaddr + RX_MODE);
914
915 /* Set hardware address */
916 for (i = 0; i < 6; i++)
917 outb(dev->dev_addr[i], ioaddr + NODE_ID + i);
918
919 /* (re)initialize the multicast table */
920 set_rx_mode(dev);
921
922 /* Switch to bank 2 (runtime mode) */
923 if (lp->cardtype == MBH10302)
924 outb(BANK_2, ioaddr + CONFIG_1);
925 else
926 outb(BANK_2U, ioaddr + CONFIG_1);
927
928 /* set 16col ctrl bits */
929 if( lp->cardtype == TDK || lp->cardtype == CONTEC)
930 outb(TDK_AUTO_MODE, ioaddr + COL_CTRL);
931 else
932 outb(AUTO_MODE, ioaddr + COL_CTRL);
933
934 /* clear Reserved Regs */
935 outb(0x00, ioaddr + BMPR12);
936 outb(0x00, ioaddr + BMPR13);
937
938 /* reset Skip packet reg. */
939 outb(0x01, ioaddr + RX_SKIP);
940
941 /* Enable Tx and Rx */
942 if( sram_config == 0 )
943 outb(CONFIG0_DFL, ioaddr + CONFIG_0);
944 else
945 outb(CONFIG0_DFL_1, ioaddr + CONFIG_0);
946
947 /* Init receive pointer ? */
948 inw(ioaddr + DATAPORT);
949 inw(ioaddr + DATAPORT);
950
951 /* Clear all status */
952 outb(0xff, ioaddr + TX_STATUS);
953 outb(0xff, ioaddr + RX_STATUS);
954
955 if (lp->cardtype == MBH10302)
956 outb(INTR_OFF, ioaddr + LAN_CTRL);
957
958 /* Turn on Rx interrupts */
959 outb(D_TX_INTR, ioaddr + TX_INTR);
960 outb(D_RX_INTR, ioaddr + RX_INTR);
961
962 /* Turn on interrupts from LAN card controller */
963 if (lp->cardtype == MBH10302)
964 outb(INTR_ON, ioaddr + LAN_CTRL);
965 } /* fjn_reset */
966
967 /*====================================================================*/
968
969 static void fjn_rx(struct net_device *dev)
970 {
971 unsigned int ioaddr = dev->base_addr;
972 int boguscount = 10; /* 5 -> 10: by agy 19940922 */
973
974 pr_debug("%s: in rx_packet(), rx_status %02x.\n",
975 dev->name, inb(ioaddr + RX_STATUS));
976
977 while ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
978 u_short status = inw(ioaddr + DATAPORT);
979
980 pr_debug("%s: Rxing packet mode %02x status %04x.\n",
981 dev->name, inb(ioaddr + RX_MODE), status);
982 #ifndef final_version
983 if (status == 0) {
984 outb(F_SKP_PKT, ioaddr + RX_SKIP);
985 break;
986 }
987 #endif
988 if ((status & 0xF0) != 0x20) { /* There was an error. */
989 dev->stats.rx_errors++;
990 if (status & F_LEN_ERR) dev->stats.rx_length_errors++;
991 if (status & F_ALG_ERR) dev->stats.rx_frame_errors++;
992 if (status & F_CRC_ERR) dev->stats.rx_crc_errors++;
993 if (status & F_OVR_FLO) dev->stats.rx_over_errors++;
994 } else {
995 u_short pkt_len = inw(ioaddr + DATAPORT);
996 /* Malloc up new buffer. */
997 struct sk_buff *skb;
998
999 if (pkt_len > 1550) {
1000 printk(KERN_NOTICE "%s: The FMV-18x claimed a very "
1001 "large packet, size %d.\n", dev->name, pkt_len);
1002 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1003 dev->stats.rx_errors++;
1004 break;
1005 }
1006 skb = dev_alloc_skb(pkt_len+2);
1007 if (skb == NULL) {
1008 printk(KERN_NOTICE "%s: Memory squeeze, dropping "
1009 "packet (len %d).\n", dev->name, pkt_len);
1010 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1011 dev->stats.rx_dropped++;
1012 break;
1013 }
1014
1015 skb_reserve(skb, 2);
1016 insw(ioaddr + DATAPORT, skb_put(skb, pkt_len),
1017 (pkt_len + 1) >> 1);
1018 skb->protocol = eth_type_trans(skb, dev);
1019
1020 {
1021 int i;
1022 pr_debug("%s: Rxed packet of length %d: ",
1023 dev->name, pkt_len);
1024 for (i = 0; i < 14; i++)
1025 pr_debug(" %02x", skb->data[i]);
1026 pr_debug(".\n");
1027 }
1028
1029 netif_rx(skb);
1030 dev->stats.rx_packets++;
1031 dev->stats.rx_bytes += pkt_len;
1032 }
1033 if (--boguscount <= 0)
1034 break;
1035 }
1036
1037 /* If any worth-while packets have been received, dev_rint()
1038 has done a netif_wake_queue() for us and will work on them
1039 when we get to the bottom-half routine. */
1040 /*
1041 if (lp->cardtype != TDK) {
1042 int i;
1043 for (i = 0; i < 20; i++) {
1044 if ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == F_BUF_EMP)
1045 break;
1046 (void)inw(ioaddr + DATAPORT); /+ dummy status read +/
1047 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1048 }
1049
1050 if (i > 0)
1051 pr_debug("%s: Exint Rx packet with mode %02x after "
1052 "%d ticks.\n", dev->name, inb(ioaddr + RX_MODE), i);
1053 }
1054 */
1055 } /* fjn_rx */
1056
1057 /*====================================================================*/
1058
1059 static void netdev_get_drvinfo(struct net_device *dev,
1060 struct ethtool_drvinfo *info)
1061 {
1062 strcpy(info->driver, DRV_NAME);
1063 strcpy(info->version, DRV_VERSION);
1064 sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr);
1065 }
1066
1067 static const struct ethtool_ops netdev_ethtool_ops = {
1068 .get_drvinfo = netdev_get_drvinfo,
1069 };
1070
1071 static int fjn_config(struct net_device *dev, struct ifmap *map){
1072 return 0;
1073 }
1074
1075 static int fjn_open(struct net_device *dev)
1076 {
1077 struct local_info_t *lp = netdev_priv(dev);
1078 struct pcmcia_device *link = lp->p_dev;
1079
1080 pr_debug("fjn_open('%s').\n", dev->name);
1081
1082 if (!pcmcia_dev_present(link))
1083 return -ENODEV;
1084
1085 link->open++;
1086
1087 fjn_reset(dev);
1088
1089 lp->tx_started = 0;
1090 lp->tx_queue = 0;
1091 lp->tx_queue_len = 0;
1092 lp->open_time = jiffies;
1093 netif_start_queue(dev);
1094
1095 return 0;
1096 } /* fjn_open */
1097
1098 /*====================================================================*/
1099
1100 static int fjn_close(struct net_device *dev)
1101 {
1102 struct local_info_t *lp = netdev_priv(dev);
1103 struct pcmcia_device *link = lp->p_dev;
1104 unsigned int ioaddr = dev->base_addr;
1105
1106 pr_debug("fjn_close('%s').\n", dev->name);
1107
1108 lp->open_time = 0;
1109 netif_stop_queue(dev);
1110
1111 /* Set configuration register 0 to disable Tx and Rx. */
1112 if( sram_config == 0 )
1113 outb(CONFIG0_RST ,ioaddr + CONFIG_0);
1114 else
1115 outb(CONFIG0_RST_1 ,ioaddr + CONFIG_0);
1116
1117 /* Update the statistics -- ToDo. */
1118
1119 /* Power-down the chip. Green, green, green! */
1120 outb(CHIP_OFF ,ioaddr + CONFIG_1);
1121
1122 /* Set the ethernet adaptor disable IRQ */
1123 if (lp->cardtype == MBH10302)
1124 outb(INTR_OFF, ioaddr + LAN_CTRL);
1125
1126 link->open--;
1127
1128 return 0;
1129 } /* fjn_close */
1130
1131 /*====================================================================*/
1132
1133 /*
1134 Set the multicast/promiscuous mode for this adaptor.
1135 */
1136
1137 static void set_rx_mode(struct net_device *dev)
1138 {
1139 unsigned int ioaddr = dev->base_addr;
1140 u_char mc_filter[8]; /* Multicast hash filter */
1141 u_long flags;
1142 int i;
1143
1144 int saved_bank;
1145 int saved_config_0 = inb(ioaddr + CONFIG_0);
1146
1147 local_irq_save(flags);
1148
1149 /* Disable Tx and Rx */
1150 if (sram_config == 0)
1151 outb(CONFIG0_RST, ioaddr + CONFIG_0);
1152 else
1153 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
1154
1155 if (dev->flags & IFF_PROMISC) {
1156 memset(mc_filter, 0xff, sizeof(mc_filter));
1157 outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */
1158 } else if (netdev_mc_count(dev) > MC_FILTERBREAK ||
1159 (dev->flags & IFF_ALLMULTI)) {
1160 /* Too many to filter perfectly -- accept all multicasts. */
1161 memset(mc_filter, 0xff, sizeof(mc_filter));
1162 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1163 } else if (netdev_mc_empty(dev)) {
1164 memset(mc_filter, 0x00, sizeof(mc_filter));
1165 outb(1, ioaddr + RX_MODE); /* Ignore almost all multicasts. */
1166 } else {
1167 struct netdev_hw_addr *ha;
1168
1169 memset(mc_filter, 0, sizeof(mc_filter));
1170 netdev_for_each_mc_addr(ha, dev) {
1171 unsigned int bit = ether_crc_le(ETH_ALEN, ha->addr) >> 26;
1172 mc_filter[bit >> 3] |= (1 << (bit & 7));
1173 }
1174 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1175 }
1176
1177 /* Switch to bank 1 and set the multicast table. */
1178 saved_bank = inb(ioaddr + CONFIG_1);
1179 outb(0xe4, ioaddr + CONFIG_1);
1180
1181 for (i = 0; i < 8; i++)
1182 outb(mc_filter[i], ioaddr + MAR_ADR + i);
1183 outb(saved_bank, ioaddr + CONFIG_1);
1184
1185 outb(saved_config_0, ioaddr + CONFIG_0);
1186
1187 local_irq_restore(flags);
1188 }
Linux kernel - Deliverables
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