projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
pcmcia: dev_node removal (drivers with unregister_netdev check)
[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/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 long open_time;
114 uint tx_started:1;
115 uint tx_queue;
116 u_short tx_queue_len;
117 cardtype_t cardtype;
118 u_short sent;
119 u_char __iomem *base;
120 } local_info_t;
121
122 #define MC_FILTERBREAK 64
123
124 /*====================================================================*/
125 /*
126 ioport offset from the base address
127 */
128 #define TX_STATUS 0 /* transmit status register */
129 #define RX_STATUS 1 /* receive status register */
130 #define TX_INTR 2 /* transmit interrupt mask register */
131 #define RX_INTR 3 /* receive interrupt mask register */
132 #define TX_MODE 4 /* transmit mode register */
133 #define RX_MODE 5 /* receive mode register */
134 #define CONFIG_0 6 /* configuration register 0 */
135 #define CONFIG_1 7 /* configuration register 1 */
136
137 #define NODE_ID 8 /* node ID register (bank 0) */
138 #define MAR_ADR 8 /* multicast address registers (bank 1) */
139
140 #define DATAPORT 8 /* buffer mem port registers (bank 2) */
141 #define TX_START 10 /* transmit start register */
142 #define COL_CTRL 11 /* 16 collision control register */
143 #define BMPR12 12 /* reserved */
144 #define BMPR13 13 /* reserved */
145 #define RX_SKIP 14 /* skip received packet register */
146
147 #define LAN_CTRL 16 /* LAN card control register */
148
149 #define MAC_ID 0x1a /* hardware address */
150 #define UNGERMANN_MAC_ID 0x18 /* UNGERMANN-BASS hardware address */
151
152 /*
153 control bits
154 */
155 #define ENA_TMT_OK 0x80
156 #define ENA_TMT_REC 0x20
157 #define ENA_COL 0x04
158 #define ENA_16_COL 0x02
159 #define ENA_TBUS_ERR 0x01
160
161 #define ENA_PKT_RDY 0x80
162 #define ENA_BUS_ERR 0x40
163 #define ENA_LEN_ERR 0x08
164 #define ENA_ALG_ERR 0x04
165 #define ENA_CRC_ERR 0x02
166 #define ENA_OVR_FLO 0x01
167
168 /* flags */
169 #define F_TMT_RDY 0x80 /* can accept new packet */
170 #define F_NET_BSY 0x40 /* carrier is detected */
171 #define F_TMT_OK 0x20 /* send packet successfully */
172 #define F_SRT_PKT 0x10 /* short packet error */
173 #define F_COL_ERR 0x04 /* collision error */
174 #define F_16_COL 0x02 /* 16 collision error */
175 #define F_TBUS_ERR 0x01 /* bus read error */
176
177 #define F_PKT_RDY 0x80 /* packet(s) in buffer */
178 #define F_BUS_ERR 0x40 /* bus read error */
179 #define F_LEN_ERR 0x08 /* short packet */
180 #define F_ALG_ERR 0x04 /* frame error */
181 #define F_CRC_ERR 0x02 /* CRC error */
182 #define F_OVR_FLO 0x01 /* overflow error */
183
184 #define F_BUF_EMP 0x40 /* receive buffer is empty */
185
186 #define F_SKP_PKT 0x05 /* drop packet in buffer */
187
188 /* default bitmaps */
189 #define D_TX_INTR ( ENA_TMT_OK )
190 #define D_RX_INTR ( ENA_PKT_RDY | ENA_LEN_ERR \
191 | ENA_ALG_ERR | ENA_CRC_ERR | ENA_OVR_FLO )
192 #define TX_STAT_M ( F_TMT_RDY )
193 #define RX_STAT_M ( F_PKT_RDY | F_LEN_ERR \
194 | F_ALG_ERR | F_CRC_ERR | F_OVR_FLO )
195
196 /* commands */
197 #define D_TX_MODE 0x06 /* no tests, detect carrier */
198 #define ID_MATCHED 0x02 /* (RX_MODE) */
199 #define RECV_ALL 0x03 /* (RX_MODE) */
200 #define CONFIG0_DFL 0x5a /* 16bit bus, 4K x 2 Tx queues */
201 #define CONFIG0_DFL_1 0x5e /* 16bit bus, 8K x 2 Tx queues */
202 #define CONFIG0_RST 0xda /* Data Link Controller off (CONFIG_0) */
203 #define CONFIG0_RST_1 0xde /* Data Link Controller off (CONFIG_0) */
204 #define BANK_0 0xa0 /* bank 0 (CONFIG_1) */
205 #define BANK_1 0xa4 /* bank 1 (CONFIG_1) */
206 #define BANK_2 0xa8 /* bank 2 (CONFIG_1) */
207 #define CHIP_OFF 0x80 /* contrl chip power off (CONFIG_1) */
208 #define DO_TX 0x80 /* do transmit packet */
209 #define SEND_PKT 0x81 /* send a packet */
210 #define AUTO_MODE 0x07 /* Auto skip packet on 16 col detected */
211 #define MANU_MODE 0x03 /* Stop and skip packet on 16 col */
212 #define TDK_AUTO_MODE 0x47 /* Auto skip packet on 16 col detected */
213 #define TDK_MANU_MODE 0x43 /* Stop and skip packet on 16 col */
214 #define INTR_OFF 0x0d /* LAN controller ignores interrupts */
215 #define INTR_ON 0x1d /* LAN controller will catch interrupts */
216
217 #define TX_TIMEOUT ((400*HZ)/1000)
218
219 #define BANK_0U 0x20 /* bank 0 (CONFIG_1) */
220 #define BANK_1U 0x24 /* bank 1 (CONFIG_1) */
221 #define BANK_2U 0x28 /* bank 2 (CONFIG_1) */
222
223 static const struct net_device_ops fjn_netdev_ops = {
224 .ndo_open = fjn_open,
225 .ndo_stop = fjn_close,
226 .ndo_start_xmit = fjn_start_xmit,
227 .ndo_tx_timeout = fjn_tx_timeout,
228 .ndo_set_config = fjn_config,
229 .ndo_set_multicast_list = set_rx_mode,
230 .ndo_change_mtu = eth_change_mtu,
231 .ndo_set_mac_address = eth_mac_addr,
232 .ndo_validate_addr = eth_validate_addr,
233 };
234
235 static int fmvj18x_probe(struct pcmcia_device *link)
236 {
237 local_info_t *lp;
238 struct net_device *dev;
239
240 dev_dbg(&link->dev, "fmvj18x_attach()\n");
241
242 /* Make up a FMVJ18x specific data structure */
243 dev = alloc_etherdev(sizeof(local_info_t));
244 if (!dev)
245 return -ENOMEM;
246 lp = netdev_priv(dev);
247 link->priv = dev;
248 lp->p_dev = link;
249 lp->base = NULL;
250
251 /* The io structure describes IO port mapping */
252 link->io.NumPorts1 = 32;
253 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
254 link->io.IOAddrLines = 5;
255
256 /* General socket configuration */
257 link->conf.Attributes = CONF_ENABLE_IRQ;
258 link->conf.IntType = INT_MEMORY_AND_IO;
259
260 dev->netdev_ops = &fjn_netdev_ops;
261 dev->watchdog_timeo = TX_TIMEOUT;
262
263 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
264
265 return fmvj18x_config(link);
266 } /* fmvj18x_attach */
267
268 /*====================================================================*/
269
270 static void fmvj18x_detach(struct pcmcia_device *link)
271 {
272 struct net_device *dev = link->priv;
273
274 dev_dbg(&link->dev, "fmvj18x_detach\n");
275
276 unregister_netdev(dev);
277
278 fmvj18x_release(link);
279
280 free_netdev(dev);
281 } /* fmvj18x_detach */
282
283 /*====================================================================*/
284
285 static int mfc_try_io_port(struct pcmcia_device *link)
286 {
287 int i, ret;
288 static const unsigned int serial_base[5] =
289 { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
290
291 for (i = 0; i < 5; i++) {
292 link->io.BasePort2 = serial_base[i];
293 link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
294 if (link->io.BasePort2 == 0) {
295 link->io.NumPorts2 = 0;
296 printk(KERN_NOTICE "fmvj18x_cs: out of resource for serial\n");
297 }
298 ret = pcmcia_request_io(link, &link->io);
299 if (ret == 0)
300 return ret;
301 }
302 return ret;
303 }
304
305 static int ungermann_try_io_port(struct pcmcia_device *link)
306 {
307 int ret;
308 unsigned int ioaddr;
309 /*
310 Ungermann-Bass Access/CARD accepts 0x300,0x320,0x340,0x360
311 0x380,0x3c0 only for ioport.
312 */
313 for (ioaddr = 0x300; ioaddr < 0x3e0; ioaddr += 0x20) {
314 link->io.BasePort1 = ioaddr;
315 ret = pcmcia_request_io(link, &link->io);
316 if (ret == 0) {
317 /* calculate ConfigIndex value */
318 link->conf.ConfigIndex =
319 ((link->io.BasePort1 & 0x0f0) >> 3) | 0x22;
320 return ret;
321 }
322 }
323 return ret; /* RequestIO failed */
324 }
325
326 static int fmvj18x_ioprobe(struct pcmcia_device *p_dev,
327 cistpl_cftable_entry_t *cfg,
328 cistpl_cftable_entry_t *dflt,
329 unsigned int vcc,
330 void *priv_data)
331 {
332 return 0; /* strange, but that's what the code did already before... */
333 }
334
335 static int fmvj18x_config(struct pcmcia_device *link)
336 {
337 struct net_device *dev = link->priv;
338 local_info_t *lp = netdev_priv(dev);
339 int i, ret;
340 unsigned int ioaddr;
341 cardtype_t cardtype;
342 char *card_name = "unknown";
343 u8 *buf;
344 size_t len;
345 u_char buggybuf[32];
346
347 dev_dbg(&link->dev, "fmvj18x_config\n");
348
349 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
350 kfree(buf);
351
352 if (len) {
353 /* Yes, I have CISTPL_FUNCE. Let's check CISTPL_MANFID */
354 ret = pcmcia_loop_config(link, fmvj18x_ioprobe, NULL);
355 if (ret != 0)
356 goto failed;
357
358 switch (link->manf_id) {
359 case MANFID_TDK:
360 cardtype = TDK;
361 if (link->card_id == PRODID_TDK_GN3410 ||
362 link->card_id == PRODID_TDK_NP9610 ||
363 link->card_id == PRODID_TDK_MN3200) {
364 /* MultiFunction Card */
365 link->conf.ConfigBase = 0x800;
366 link->conf.ConfigIndex = 0x47;
367 link->io.NumPorts2 = 8;
368 }
369 break;
370 case MANFID_NEC:
371 cardtype = NEC; /* MultiFunction Card */
372 link->conf.ConfigBase = 0x800;
373 link->conf.ConfigIndex = 0x47;
374 link->io.NumPorts2 = 8;
375 break;
376 case MANFID_KME:
377 cardtype = KME; /* MultiFunction Card */
378 link->conf.ConfigBase = 0x800;
379 link->conf.ConfigIndex = 0x47;
380 link->io.NumPorts2 = 8;
381 break;
382 case MANFID_CONTEC:
383 cardtype = CONTEC;
384 break;
385 case MANFID_FUJITSU:
386 if (link->conf.ConfigBase == 0x0fe0)
387 cardtype = MBH10302;
388 else if (link->card_id == PRODID_FUJITSU_MBH10302)
389 /* RATOC REX-5588/9822/4886's PRODID are 0004(=MBH10302),
390 but these are MBH10304 based card. */
391 cardtype = MBH10304;
392 else if (link->card_id == PRODID_FUJITSU_MBH10304)
393 cardtype = MBH10304;
394 else
395 cardtype = LA501;
396 break;
397 default:
398 cardtype = MBH10304;
399 }
400 } else {
401 /* old type card */
402 switch (link->manf_id) {
403 case MANFID_FUJITSU:
404 if (link->card_id == PRODID_FUJITSU_MBH10304) {
405 cardtype = XXX10304; /* MBH10304 with buggy CIS */
406 link->conf.ConfigIndex = 0x20;
407 } else {
408 cardtype = MBH10302; /* NextCom NC5310, etc. */
409 link->conf.ConfigIndex = 1;
410 }
411 break;
412 case MANFID_UNGERMANN:
413 cardtype = UNGERMANN;
414 break;
415 default:
416 cardtype = MBH10302;
417 link->conf.ConfigIndex = 1;
418 }
419 }
420
421 if (link->io.NumPorts2 != 0) {
422 ret = mfc_try_io_port(link);
423 if (ret != 0) goto failed;
424 } else if (cardtype == UNGERMANN) {
425 ret = ungermann_try_io_port(link);
426 if (ret != 0) goto failed;
427 } else {
428 ret = pcmcia_request_io(link, &link->io);
429 if (ret)
430 goto failed;
431 }
432 ret = pcmcia_request_irq(link, fjn_interrupt);
433 if (ret)
434 goto failed;
435 ret = pcmcia_request_configuration(link, &link->conf);
436 if (ret)
437 goto failed;
438
439 dev->irq = link->irq;
440 dev->base_addr = link->io.BasePort1;
441
442 if (link->io.BasePort2 != 0) {
443 ret = fmvj18x_setup_mfc(link);
444 if (ret != 0) goto failed;
445 }
446
447 ioaddr = dev->base_addr;
448
449 /* Reset controller */
450 if (sram_config == 0)
451 outb(CONFIG0_RST, ioaddr + CONFIG_0);
452 else
453 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
454
455 /* Power On chip and select bank 0 */
456 if (cardtype == MBH10302)
457 outb(BANK_0, ioaddr + CONFIG_1);
458 else
459 outb(BANK_0U, ioaddr + CONFIG_1);
460
461 /* Set hardware address */
462 switch (cardtype) {
463 case MBH10304:
464 case TDK:
465 case LA501:
466 case CONTEC:
467 case NEC:
468 case KME:
469 if (cardtype == MBH10304) {
470 card_name = "FMV-J182";
471
472 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
473 if (len < 11) {
474 kfree(buf);
475 goto failed;
476 }
477 /* Read MACID from CIS */
478 for (i = 5; i < 11; i++)
479 dev->dev_addr[i] = buf[i];
480 kfree(buf);
481 } else {
482 if (pcmcia_get_mac_from_cis(link, dev))
483 goto failed;
484 if( cardtype == TDK ) {
485 card_name = "TDK LAK-CD021";
486 } else if( cardtype == LA501 ) {
487 card_name = "LA501";
488 } else if( cardtype == NEC ) {
489 card_name = "PK-UG-J001";
490 } else if( cardtype == KME ) {
491 card_name = "Panasonic";
492 } else {
493 card_name = "C-NET(PC)C";
494 }
495 }
496 break;
497 case UNGERMANN:
498 /* Read MACID from register */
499 for (i = 0; i < 6; i++)
500 dev->dev_addr[i] = inb(ioaddr + UNGERMANN_MAC_ID + i);
501 card_name = "Access/CARD";
502 break;
503 case XXX10304:
504 /* Read MACID from Buggy CIS */
505 if (fmvj18x_get_hwinfo(link, buggybuf) == -1) {
506 printk(KERN_NOTICE "fmvj18x_cs: unable to read hardware net address.\n");
507 goto failed;
508 }
509 for (i = 0 ; i < 6; i++) {
510 dev->dev_addr[i] = buggybuf[i];
511 }
512 card_name = "FMV-J182";
513 break;
514 case MBH10302:
515 default:
516 /* Read MACID from register */
517 for (i = 0; i < 6; i++)
518 dev->dev_addr[i] = inb(ioaddr + MAC_ID + i);
519 card_name = "FMV-J181";
520 break;
521 }
522
523 lp->cardtype = cardtype;
524 SET_NETDEV_DEV(dev, &link->dev);
525
526 if (register_netdev(dev) != 0) {
527 printk(KERN_NOTICE "fmvj18x_cs: register_netdev() failed\n");
528 goto failed;
529 }
530
531 /* print current configuration */
532 printk(KERN_INFO "%s: %s, sram %s, port %#3lx, irq %d, "
533 "hw_addr %pM\n",
534 dev->name, card_name, sram_config == 0 ? "4K TX*2" : "8K TX*2",
535 dev->base_addr, dev->irq, dev->dev_addr);
536
537 return 0;
538
539 failed:
540 fmvj18x_release(link);
541 return -ENODEV;
542 } /* fmvj18x_config */
543 /*====================================================================*/
544
545 static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id)
546 {
547 win_req_t req;
548 memreq_t mem;
549 u_char __iomem *base;
550 int i, j;
551
552 /* Allocate a small memory window */
553 req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
554 req.Base = 0; req.Size = 0;
555 req.AccessSpeed = 0;
556 i = pcmcia_request_window(link, &req, &link->win);
557 if (i != 0)
558 return -1;
559
560 base = ioremap(req.Base, req.Size);
561 mem.Page = 0;
562 mem.CardOffset = 0;
563 pcmcia_map_mem_page(link, link->win, &mem);
564
565 /*
566 * MBH10304 CISTPL_FUNCE_LAN_NODE_ID format
567 * 22 0d xx xx xx 04 06 yy yy yy yy yy yy ff
568 * 'xx' is garbage.
569 * 'yy' is MAC address.
570 */
571 for (i = 0; i < 0x200; i++) {
572 if (readb(base+i*2) == 0x22) {
573 if (readb(base+(i-1)*2) == 0xff &&
574 readb(base+(i+5)*2) == 0x04 &&
575 readb(base+(i+6)*2) == 0x06 &&
576 readb(base+(i+13)*2) == 0xff)
577 break;
578 }
579 }
580
581 if (i != 0x200) {
582 for (j = 0 ; j < 6; j++,i++) {
583 node_id[j] = readb(base+(i+7)*2);
584 }
585 }
586
587 iounmap(base);
588 j = pcmcia_release_window(link, link->win);
589 return (i != 0x200) ? 0 : -1;
590
591 } /* fmvj18x_get_hwinfo */
592 /*====================================================================*/
593
594 static int fmvj18x_setup_mfc(struct pcmcia_device *link)
595 {
596 win_req_t req;
597 memreq_t mem;
598 int i;
599 struct net_device *dev = link->priv;
600 unsigned int ioaddr;
601 local_info_t *lp = netdev_priv(dev);
602
603 /* Allocate a small memory window */
604 req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
605 req.Base = 0; req.Size = 0;
606 req.AccessSpeed = 0;
607 i = pcmcia_request_window(link, &req, &link->win);
608 if (i != 0)
609 return -1;
610
611 lp->base = ioremap(req.Base, req.Size);
612 if (lp->base == NULL) {
613 printk(KERN_NOTICE "fmvj18x_cs: ioremap failed\n");
614 return -1;
615 }
616
617 mem.Page = 0;
618 mem.CardOffset = 0;
619 i = pcmcia_map_mem_page(link, link->win, &mem);
620 if (i != 0) {
621 iounmap(lp->base);
622 lp->base = NULL;
623 return -1;
624 }
625
626 ioaddr = dev->base_addr;
627 writeb(0x47, lp->base+0x800); /* Config Option Register of LAN */
628 writeb(0x0, lp->base+0x802); /* Config and Status Register */
629
630 writeb(ioaddr & 0xff, lp->base+0x80a); /* I/O Base(Low) of LAN */
631 writeb((ioaddr >> 8) & 0xff, lp->base+0x80c); /* I/O Base(High) of LAN */
632
633 writeb(0x45, lp->base+0x820); /* Config Option Register of Modem */
634 writeb(0x8, lp->base+0x822); /* Config and Status Register */
635
636 return 0;
637
638 }
639 /*====================================================================*/
640
641 static void fmvj18x_release(struct pcmcia_device *link)
642 {
643
644 struct net_device *dev = link->priv;
645 local_info_t *lp = netdev_priv(dev);
646 u_char __iomem *tmp;
647 int j;
648
649 dev_dbg(&link->dev, "fmvj18x_release\n");
650
651 if (lp->base != NULL) {
652 tmp = lp->base;
653 lp->base = NULL; /* set NULL before iounmap */
654 iounmap(tmp);
655 j = pcmcia_release_window(link, link->win);
656 }
657
658 pcmcia_disable_device(link);
659
660 }
661
662 static int fmvj18x_suspend(struct pcmcia_device *link)
663 {
664 struct net_device *dev = link->priv;
665
666 if (link->open)
667 netif_device_detach(dev);
668
669 return 0;
670 }
671
672 static int fmvj18x_resume(struct pcmcia_device *link)
673 {
674 struct net_device *dev = link->priv;
675
676 if (link->open) {
677 fjn_reset(dev);
678 netif_device_attach(dev);
679 }
680
681 return 0;
682 }
683
684 /*====================================================================*/
685
686 static struct pcmcia_device_id fmvj18x_ids[] = {
687 PCMCIA_DEVICE_MANF_CARD(0x0004, 0x0004),
688 PCMCIA_DEVICE_PROD_ID12("EAGLE Technology", "NE200 ETHERNET LAN MBH10302 04", 0x528c88c4, 0x74f91e59),
689 PCMCIA_DEVICE_PROD_ID12("Eiger Labs,Inc", "EPX-10BT PC Card Ethernet 10BT", 0x53af556e, 0x877f9922),
690 PCMCIA_DEVICE_PROD_ID12("Eiger labs,Inc.", "EPX-10BT PC Card Ethernet 10BT", 0xf47e6c66, 0x877f9922),
691 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "LAN Card(FMV-J182)", 0x6ee5a3d8, 0x5baf31db),
692 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "MBH10308", 0x6ee5a3d8, 0x3f04875e),
693 PCMCIA_DEVICE_PROD_ID12("FUJITSU TOWA", "LA501", 0xb8451188, 0x12939ba2),
694 PCMCIA_DEVICE_PROD_ID12("HITACHI", "HT-4840-11", 0xf4f43949, 0x773910f4),
695 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310B Ver1.0 ", 0x8cef4d3a, 0x075fc7b6),
696 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310 Ver1.0 ", 0x8cef4d3a, 0xbccf43e6),
697 PCMCIA_DEVICE_PROD_ID12("RATOC System Inc.", "10BASE_T CARD R280", 0x85c10e17, 0xd9413666),
698 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CD02x", 0x1eae9475, 0x8fa0ee70),
699 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CF010", 0x1eae9475, 0x7683bc9a),
700 PCMCIA_DEVICE_PROD_ID1("CONTEC Co.,Ltd.", 0x58d8fee2),
701 PCMCIA_DEVICE_PROD_ID1("PCMCIA LAN MBH10304 ES", 0x2599f454),
702 PCMCIA_DEVICE_PROD_ID1("PCMCIA MBH10302", 0x8f4005da),
703 PCMCIA_DEVICE_PROD_ID1("UBKK,V2.0", 0x90888080),
704 PCMCIA_PFC_DEVICE_PROD_ID12(0, "TDK", "GlobalNetworker 3410/3412", 0x1eae9475, 0xd9a93bed),
705 PCMCIA_PFC_DEVICE_PROD_ID12(0, "NEC", "PK-UG-J001" ,0x18df0ba0 ,0x831b1064),
706 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0d0a),
707 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0e0a),
708 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0e01),
709 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0a05),
710 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x1101),
711 PCMCIA_DEVICE_NULL,
712 };
713 MODULE_DEVICE_TABLE(pcmcia, fmvj18x_ids);
714
715 static struct pcmcia_driver fmvj18x_cs_driver = {
716 .owner = THIS_MODULE,
717 .drv = {
718 .name = "fmvj18x_cs",
719 },
720 .probe = fmvj18x_probe,
721 .remove = fmvj18x_detach,
722 .id_table = fmvj18x_ids,
723 .suspend = fmvj18x_suspend,
724 .resume = fmvj18x_resume,
725 };
726
727 static int __init init_fmvj18x_cs(void)
728 {
729 return pcmcia_register_driver(&fmvj18x_cs_driver);
730 }
731
732 static void __exit exit_fmvj18x_cs(void)
733 {
734 pcmcia_unregister_driver(&fmvj18x_cs_driver);
735 }
736
737 module_init(init_fmvj18x_cs);
738 module_exit(exit_fmvj18x_cs);
739
740 /*====================================================================*/
741
742 static irqreturn_t fjn_interrupt(int dummy, void *dev_id)
743 {
744 struct net_device *dev = dev_id;
745 local_info_t *lp = netdev_priv(dev);
746 unsigned int ioaddr;
747 unsigned short tx_stat, rx_stat;
748
749 ioaddr = dev->base_addr;
750
751 /* avoid multiple interrupts */
752 outw(0x0000, ioaddr + TX_INTR);
753
754 /* wait for a while */
755 udelay(1);
756
757 /* get status */
758 tx_stat = inb(ioaddr + TX_STATUS);
759 rx_stat = inb(ioaddr + RX_STATUS);
760
761 /* clear status */
762 outb(tx_stat, ioaddr + TX_STATUS);
763 outb(rx_stat, ioaddr + RX_STATUS);
764
765 pr_debug("%s: interrupt, rx_status %02x.\n", dev->name, rx_stat);
766 pr_debug(" tx_status %02x.\n", tx_stat);
767
768 if (rx_stat || (inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
769 /* there is packet(s) in rx buffer */
770 fjn_rx(dev);
771 }
772 if (tx_stat & F_TMT_RDY) {
773 dev->stats.tx_packets += lp->sent ;
774 lp->sent = 0 ;
775 if (lp->tx_queue) {
776 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
777 lp->sent = lp->tx_queue ;
778 lp->tx_queue = 0;
779 lp->tx_queue_len = 0;
780 dev->trans_start = jiffies;
781 } else {
782 lp->tx_started = 0;
783 }
784 netif_wake_queue(dev);
785 }
786 pr_debug("%s: exiting interrupt,\n", dev->name);
787 pr_debug(" tx_status %02x, rx_status %02x.\n", tx_stat, rx_stat);
788
789 outb(D_TX_INTR, ioaddr + TX_INTR);
790 outb(D_RX_INTR, ioaddr + RX_INTR);
791
792 if (lp->base != NULL) {
793 /* Ack interrupt for multifunction card */
794 writeb(0x01, lp->base+0x802);
795 writeb(0x09, lp->base+0x822);
796 }
797
798 return IRQ_HANDLED;
799
800 } /* fjn_interrupt */
801
802 /*====================================================================*/
803
804 static void fjn_tx_timeout(struct net_device *dev)
805 {
806 struct local_info_t *lp = netdev_priv(dev);
807 unsigned int ioaddr = dev->base_addr;
808
809 printk(KERN_NOTICE "%s: transmit timed out with status %04x, %s?\n",
810 dev->name, htons(inw(ioaddr + TX_STATUS)),
811 inb(ioaddr + TX_STATUS) & F_TMT_RDY
812 ? "IRQ conflict" : "network cable problem");
813 printk(KERN_NOTICE "%s: timeout registers: %04x %04x %04x "
814 "%04x %04x %04x %04x %04x.\n",
815 dev->name, htons(inw(ioaddr + 0)),
816 htons(inw(ioaddr + 2)), htons(inw(ioaddr + 4)),
817 htons(inw(ioaddr + 6)), htons(inw(ioaddr + 8)),
818 htons(inw(ioaddr +10)), htons(inw(ioaddr +12)),
819 htons(inw(ioaddr +14)));
820 dev->stats.tx_errors++;
821 /* ToDo: We should try to restart the adaptor... */
822 local_irq_disable();
823 fjn_reset(dev);
824
825 lp->tx_started = 0;
826 lp->tx_queue = 0;
827 lp->tx_queue_len = 0;
828 lp->sent = 0;
829 lp->open_time = jiffies;
830 local_irq_enable();
831 netif_wake_queue(dev);
832 }
833
834 static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
835 struct net_device *dev)
836 {
837 struct local_info_t *lp = netdev_priv(dev);
838 unsigned int ioaddr = dev->base_addr;
839 short length = skb->len;
840
841 if (length < ETH_ZLEN)
842 {
843 if (skb_padto(skb, ETH_ZLEN))
844 return NETDEV_TX_OK;
845 length = ETH_ZLEN;
846 }
847
848 netif_stop_queue(dev);
849
850 {
851 unsigned char *buf = skb->data;
852
853 if (length > ETH_FRAME_LEN) {
854 printk(KERN_NOTICE "%s: Attempting to send a large packet"
855 " (%d bytes).\n", dev->name, length);
856 return NETDEV_TX_BUSY;
857 }
858
859 pr_debug("%s: Transmitting a packet of length %lu.\n",
860 dev->name, (unsigned long)skb->len);
861 dev->stats.tx_bytes += skb->len;
862
863 /* Disable both interrupts. */
864 outw(0x0000, ioaddr + TX_INTR);
865
866 /* wait for a while */
867 udelay(1);
868
869 outw(length, ioaddr + DATAPORT);
870 outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1);
871
872 lp->tx_queue++;
873 lp->tx_queue_len += ((length+3) & ~1);
874
875 if (lp->tx_started == 0) {
876 /* If the Tx is idle, always trigger a transmit. */
877 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
878 lp->sent = lp->tx_queue ;
879 lp->tx_queue = 0;
880 lp->tx_queue_len = 0;
881 dev->trans_start = jiffies;
882 lp->tx_started = 1;
883 netif_start_queue(dev);
884 } else {
885 if( sram_config == 0 ) {
886 if (lp->tx_queue_len < (4096 - (ETH_FRAME_LEN +2)) )
887 /* Yes, there is room for one more packet. */
888 netif_start_queue(dev);
889 } else {
890 if (lp->tx_queue_len < (8192 - (ETH_FRAME_LEN +2)) &&
891 lp->tx_queue < 127 )
892 /* Yes, there is room for one more packet. */
893 netif_start_queue(dev);
894 }
895 }
896
897 /* Re-enable interrupts */
898 outb(D_TX_INTR, ioaddr + TX_INTR);
899 outb(D_RX_INTR, ioaddr + RX_INTR);
900 }
901 dev_kfree_skb (skb);
902
903 return NETDEV_TX_OK;
904 } /* fjn_start_xmit */
905
906 /*====================================================================*/
907
908 static void fjn_reset(struct net_device *dev)
909 {
910 struct local_info_t *lp = netdev_priv(dev);
911 unsigned int ioaddr = dev->base_addr;
912 int i;
913
914 pr_debug("fjn_reset(%s) called.\n",dev->name);
915
916 /* Reset controller */
917 if( sram_config == 0 )
918 outb(CONFIG0_RST, ioaddr + CONFIG_0);
919 else
920 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
921
922 /* Power On chip and select bank 0 */
923 if (lp->cardtype == MBH10302)
924 outb(BANK_0, ioaddr + CONFIG_1);
925 else
926 outb(BANK_0U, ioaddr + CONFIG_1);
927
928 /* Set Tx modes */
929 outb(D_TX_MODE, ioaddr + TX_MODE);
930 /* set Rx modes */
931 outb(ID_MATCHED, ioaddr + RX_MODE);
932
933 /* Set hardware address */
934 for (i = 0; i < 6; i++)
935 outb(dev->dev_addr[i], ioaddr + NODE_ID + i);
936
937 /* (re)initialize the multicast table */
938 set_rx_mode(dev);
939
940 /* Switch to bank 2 (runtime mode) */
941 if (lp->cardtype == MBH10302)
942 outb(BANK_2, ioaddr + CONFIG_1);
943 else
944 outb(BANK_2U, ioaddr + CONFIG_1);
945
946 /* set 16col ctrl bits */
947 if( lp->cardtype == TDK || lp->cardtype == CONTEC)
948 outb(TDK_AUTO_MODE, ioaddr + COL_CTRL);
949 else
950 outb(AUTO_MODE, ioaddr + COL_CTRL);
951
952 /* clear Reserved Regs */
953 outb(0x00, ioaddr + BMPR12);
954 outb(0x00, ioaddr + BMPR13);
955
956 /* reset Skip packet reg. */
957 outb(0x01, ioaddr + RX_SKIP);
958
959 /* Enable Tx and Rx */
960 if( sram_config == 0 )
961 outb(CONFIG0_DFL, ioaddr + CONFIG_0);
962 else
963 outb(CONFIG0_DFL_1, ioaddr + CONFIG_0);
964
965 /* Init receive pointer ? */
966 inw(ioaddr + DATAPORT);
967 inw(ioaddr + DATAPORT);
968
969 /* Clear all status */
970 outb(0xff, ioaddr + TX_STATUS);
971 outb(0xff, ioaddr + RX_STATUS);
972
973 if (lp->cardtype == MBH10302)
974 outb(INTR_OFF, ioaddr + LAN_CTRL);
975
976 /* Turn on Rx interrupts */
977 outb(D_TX_INTR, ioaddr + TX_INTR);
978 outb(D_RX_INTR, ioaddr + RX_INTR);
979
980 /* Turn on interrupts from LAN card controller */
981 if (lp->cardtype == MBH10302)
982 outb(INTR_ON, ioaddr + LAN_CTRL);
983 } /* fjn_reset */
984
985 /*====================================================================*/
986
987 static void fjn_rx(struct net_device *dev)
988 {
989 unsigned int ioaddr = dev->base_addr;
990 int boguscount = 10; /* 5 -> 10: by agy 19940922 */
991
992 pr_debug("%s: in rx_packet(), rx_status %02x.\n",
993 dev->name, inb(ioaddr + RX_STATUS));
994
995 while ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
996 u_short status = inw(ioaddr + DATAPORT);
997
998 pr_debug("%s: Rxing packet mode %02x status %04x.\n",
999 dev->name, inb(ioaddr + RX_MODE), status);
1000 #ifndef final_version
1001 if (status == 0) {
1002 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1003 break;
1004 }
1005 #endif
1006 if ((status & 0xF0) != 0x20) { /* There was an error. */
1007 dev->stats.rx_errors++;
1008 if (status & F_LEN_ERR) dev->stats.rx_length_errors++;
1009 if (status & F_ALG_ERR) dev->stats.rx_frame_errors++;
1010 if (status & F_CRC_ERR) dev->stats.rx_crc_errors++;
1011 if (status & F_OVR_FLO) dev->stats.rx_over_errors++;
1012 } else {
1013 u_short pkt_len = inw(ioaddr + DATAPORT);
1014 /* Malloc up new buffer. */
1015 struct sk_buff *skb;
1016
1017 if (pkt_len > 1550) {
1018 printk(KERN_NOTICE "%s: The FMV-18x claimed a very "
1019 "large packet, size %d.\n", dev->name, pkt_len);
1020 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1021 dev->stats.rx_errors++;
1022 break;
1023 }
1024 skb = dev_alloc_skb(pkt_len+2);
1025 if (skb == NULL) {
1026 printk(KERN_NOTICE "%s: Memory squeeze, dropping "
1027 "packet (len %d).\n", dev->name, pkt_len);
1028 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1029 dev->stats.rx_dropped++;
1030 break;
1031 }
1032
1033 skb_reserve(skb, 2);
1034 insw(ioaddr + DATAPORT, skb_put(skb, pkt_len),
1035 (pkt_len + 1) >> 1);
1036 skb->protocol = eth_type_trans(skb, dev);
1037
1038 {
1039 int i;
1040 pr_debug("%s: Rxed packet of length %d: ",
1041 dev->name, pkt_len);
1042 for (i = 0; i < 14; i++)
1043 pr_debug(" %02x", skb->data[i]);
1044 pr_debug(".\n");
1045 }
1046
1047 netif_rx(skb);
1048 dev->stats.rx_packets++;
1049 dev->stats.rx_bytes += pkt_len;
1050 }
1051 if (--boguscount <= 0)
1052 break;
1053 }
1054
1055 /* If any worth-while packets have been received, dev_rint()
1056 has done a netif_wake_queue() for us and will work on them
1057 when we get to the bottom-half routine. */
1058 /*
1059 if (lp->cardtype != TDK) {
1060 int i;
1061 for (i = 0; i < 20; i++) {
1062 if ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == F_BUF_EMP)
1063 break;
1064 (void)inw(ioaddr + DATAPORT); /+ dummy status read +/
1065 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1066 }
1067
1068 if (i > 0)
1069 pr_debug("%s: Exint Rx packet with mode %02x after "
1070 "%d ticks.\n", dev->name, inb(ioaddr + RX_MODE), i);
1071 }
1072 */
1073
1074 return;
1075 } /* fjn_rx */
1076
1077 /*====================================================================*/
1078
1079 static void netdev_get_drvinfo(struct net_device *dev,
1080 struct ethtool_drvinfo *info)
1081 {
1082 strcpy(info->driver, DRV_NAME);
1083 strcpy(info->version, DRV_VERSION);
1084 sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr);
1085 }
1086
1087 static const struct ethtool_ops netdev_ethtool_ops = {
1088 .get_drvinfo = netdev_get_drvinfo,
1089 };
1090
1091 static int fjn_config(struct net_device *dev, struct ifmap *map){
1092 return 0;
1093 }
1094
1095 static int fjn_open(struct net_device *dev)
1096 {
1097 struct local_info_t *lp = netdev_priv(dev);
1098 struct pcmcia_device *link = lp->p_dev;
1099
1100 pr_debug("fjn_open('%s').\n", dev->name);
1101
1102 if (!pcmcia_dev_present(link))
1103 return -ENODEV;
1104
1105 link->open++;
1106
1107 fjn_reset(dev);
1108
1109 lp->tx_started = 0;
1110 lp->tx_queue = 0;
1111 lp->tx_queue_len = 0;
1112 lp->open_time = jiffies;
1113 netif_start_queue(dev);
1114
1115 return 0;
1116 } /* fjn_open */
1117
1118 /*====================================================================*/
1119
1120 static int fjn_close(struct net_device *dev)
1121 {
1122 struct local_info_t *lp = netdev_priv(dev);
1123 struct pcmcia_device *link = lp->p_dev;
1124 unsigned int ioaddr = dev->base_addr;
1125
1126 pr_debug("fjn_close('%s').\n", dev->name);
1127
1128 lp->open_time = 0;
1129 netif_stop_queue(dev);
1130
1131 /* Set configuration register 0 to disable Tx and Rx. */
1132 if( sram_config == 0 )
1133 outb(CONFIG0_RST ,ioaddr + CONFIG_0);
1134 else
1135 outb(CONFIG0_RST_1 ,ioaddr + CONFIG_0);
1136
1137 /* Update the statistics -- ToDo. */
1138
1139 /* Power-down the chip. Green, green, green! */
1140 outb(CHIP_OFF ,ioaddr + CONFIG_1);
1141
1142 /* Set the ethernet adaptor disable IRQ */
1143 if (lp->cardtype == MBH10302)
1144 outb(INTR_OFF, ioaddr + LAN_CTRL);
1145
1146 link->open--;
1147
1148 return 0;
1149 } /* fjn_close */
1150
1151 /*====================================================================*/
1152
1153 /*
1154 Set the multicast/promiscuous mode for this adaptor.
1155 */
1156
1157 static void set_rx_mode(struct net_device *dev)
1158 {
1159 unsigned int ioaddr = dev->base_addr;
1160 u_char mc_filter[8]; /* Multicast hash filter */
1161 u_long flags;
1162 int i;
1163
1164 int saved_bank;
1165 int saved_config_0 = inb(ioaddr + CONFIG_0);
1166
1167 local_irq_save(flags);
1168
1169 /* Disable Tx and Rx */
1170 if (sram_config == 0)
1171 outb(CONFIG0_RST, ioaddr + CONFIG_0);
1172 else
1173 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
1174
1175 if (dev->flags & IFF_PROMISC) {
1176 memset(mc_filter, 0xff, sizeof(mc_filter));
1177 outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */
1178 } else if (netdev_mc_count(dev) > MC_FILTERBREAK ||
1179 (dev->flags & IFF_ALLMULTI)) {
1180 /* Too many to filter perfectly -- accept all multicasts. */
1181 memset(mc_filter, 0xff, sizeof(mc_filter));
1182 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1183 } else if (netdev_mc_empty(dev)) {
1184 memset(mc_filter, 0x00, sizeof(mc_filter));
1185 outb(1, ioaddr + RX_MODE); /* Ignore almost all multicasts. */
1186 } else {
1187 struct dev_mc_list *mclist;
1188
1189 memset(mc_filter, 0, sizeof(mc_filter));
1190 netdev_for_each_mc_addr(mclist, dev) {
1191 unsigned int bit = ether_crc_le(ETH_ALEN, mclist->dmi_addr) >> 26;
1192 mc_filter[bit >> 3] |= (1 << (bit & 7));
1193 }
1194 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1195 }
1196
1197 /* Switch to bank 1 and set the multicast table. */
1198 saved_bank = inb(ioaddr + CONFIG_1);
1199 outb(0xe4, ioaddr + CONFIG_1);
1200
1201 for (i = 0; i < 8; i++)
1202 outb(mc_filter[i], ioaddr + MAR_ADR + i);
1203 outb(saved_bank, ioaddr + CONFIG_1);
1204
1205 outb(saved_config_0, ioaddr + CONFIG_0);
1206
1207 local_irq_restore(flags);
1208 }
Linux kernel - Deliverables
This page took 0.060831 seconds and 5 git commands to generate.