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initial commit with v3.6.7
[linux-3.6.7-moxart.git] / drivers / net / ethernet / fujitsu / fmvj18x_cs.c
blob2418faf2251aacc2e91877859ee185c95c251516
1 /*======================================================================
2 fmvj18x_cs.c 2.8 2002/03/23
3
4 A fmvj18x (and its compatibles) PCMCIA client driver
5
6 Contributed by Shingo Fujimoto, shingo@flab.fujitsu.co.jp
7
8 TDK LAK-CD021 and CONTEC C-NET(PC)C support added by
9 Nobuhiro Katayama, kata-n@po.iijnet.or.jp
10
11 The PCMCIA client code is based on code written by David Hinds.
12 Network code is based on the "FMV-18x driver" by Yutaka TAMIYA
13 but is actually largely Donald Becker's AT1700 driver, which
14 carries the following attribution:
15
16 Written 1993-94 by Donald Becker.
17
18 Copyright 1993 United States Government as represented by the
19 Director, National Security Agency.
20
21 This software may be used and distributed according to the terms
22 of the GNU General Public License, incorporated herein by reference.
23
24 The author may be reached as becker@scyld.com, or C/O
25 Scyld Computing Corporation
26 410 Severn Ave., Suite 210
27 Annapolis MD 21403
28
29 ======================================================================*/
30
31 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
32
33 #define DRV_NAME "fmvj18x_cs"
34 #define DRV_VERSION "2.9"
35
36 #include <linux/module.h>
37 #include <linux/kernel.h>
38 #include <linux/init.h>
39 #include <linux/ptrace.h>
40 #include <linux/slab.h>
41 #include <linux/string.h>
42 #include <linux/timer.h>
43 #include <linux/interrupt.h>
44 #include <linux/in.h>
45 #include <linux/delay.h>
46 #include <linux/ethtool.h>
47 #include <linux/netdevice.h>
48 #include <linux/etherdevice.h>
49 #include <linux/skbuff.h>
50 #include <linux/if_arp.h>
51 #include <linux/ioport.h>
52 #include <linux/crc32.h>
53
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
61 /*====================================================================*/
62
63 /* Module parameters */
64
65 MODULE_DESCRIPTION("fmvj18x and compatible PCMCIA ethernet driver");
66 MODULE_LICENSE("GPL");
67
68 #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
69
70 /* SRAM configuration */
71 /* 0:4KB*2 TX buffer else:8KB*2 TX buffer */
72 INT_MODULE_PARM(sram_config, 0);
73
74
75 /*====================================================================*/
76 /*
77 PCMCIA event handlers
78 */
79 static int fmvj18x_config(struct pcmcia_device *link);
80 static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id);
81 static int fmvj18x_setup_mfc(struct pcmcia_device *link);
82 static void fmvj18x_release(struct pcmcia_device *link);
83 static void fmvj18x_detach(struct pcmcia_device *p_dev);
84
85 /*
86 LAN controller(MBH86960A) specific routines
87 */
88 static int fjn_config(struct net_device *dev, struct ifmap *map);
89 static int fjn_open(struct net_device *dev);
90 static int fjn_close(struct net_device *dev);
91 static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
92 struct net_device *dev);
93 static irqreturn_t fjn_interrupt(int irq, void *dev_id);
94 static void fjn_rx(struct net_device *dev);
95 static void fjn_reset(struct net_device *dev);
96 static void set_rx_mode(struct net_device *dev);
97 static void fjn_tx_timeout(struct net_device *dev);
98 static const struct ethtool_ops netdev_ethtool_ops;
99
100 /*
101 card type
102 */
103 typedef enum { MBH10302, MBH10304, TDK, CONTEC, LA501, UNGERMANN,
104 XXX10304, NEC, KME
105 } cardtype_t;
106
107 /*
108 driver specific data structure
109 */
110 typedef struct local_info_t {
111 struct pcmcia_device *p_dev;
112 long open_time;
113 uint tx_started:1;
114 uint tx_queue;
115 u_short tx_queue_len;
116 cardtype_t cardtype;
117 u_short sent;
118 u_char __iomem *base;
119 } local_info_t;
120
121 #define MC_FILTERBREAK 64
122
123 /*====================================================================*/
124 /*
125 ioport offset from the base address
126 */
127 #define TX_STATUS 0 /* transmit status register */
128 #define RX_STATUS 1 /* receive status register */
129 #define TX_INTR 2 /* transmit interrupt mask register */
130 #define RX_INTR 3 /* receive interrupt mask register */
131 #define TX_MODE 4 /* transmit mode register */
132 #define RX_MODE 5 /* receive mode register */
133 #define CONFIG_0 6 /* configuration register 0 */
134 #define CONFIG_1 7 /* configuration register 1 */
135
136 #define NODE_ID 8 /* node ID register (bank 0) */
137 #define MAR_ADR 8 /* multicast address registers (bank 1) */
138
139 #define DATAPORT 8 /* buffer mem port registers (bank 2) */
140 #define TX_START 10 /* transmit start register */
141 #define COL_CTRL 11 /* 16 collision control register */
142 #define BMPR12 12 /* reserved */
143 #define BMPR13 13 /* reserved */
144 #define RX_SKIP 14 /* skip received packet register */
145
146 #define LAN_CTRL 16 /* LAN card control register */
147
148 #define MAC_ID 0x1a /* hardware address */
149 #define UNGERMANN_MAC_ID 0x18 /* UNGERMANN-BASS hardware address */
150
151 /*
152 control bits
153 */
154 #define ENA_TMT_OK 0x80
155 #define ENA_TMT_REC 0x20
156 #define ENA_COL 0x04
157 #define ENA_16_COL 0x02
158 #define ENA_TBUS_ERR 0x01
159
160 #define ENA_PKT_RDY 0x80
161 #define ENA_BUS_ERR 0x40
162 #define ENA_LEN_ERR 0x08
163 #define ENA_ALG_ERR 0x04
164 #define ENA_CRC_ERR 0x02
165 #define ENA_OVR_FLO 0x01
166
167 /* flags */
168 #define F_TMT_RDY 0x80 /* can accept new packet */
169 #define F_NET_BSY 0x40 /* carrier is detected */
170 #define F_TMT_OK 0x20 /* send packet successfully */
171 #define F_SRT_PKT 0x10 /* short packet error */
172 #define F_COL_ERR 0x04 /* collision error */
173 #define F_16_COL 0x02 /* 16 collision error */
174 #define F_TBUS_ERR 0x01 /* bus read error */
175
176 #define F_PKT_RDY 0x80 /* packet(s) in buffer */
177 #define F_BUS_ERR 0x40 /* bus read error */
178 #define F_LEN_ERR 0x08 /* short packet */
179 #define F_ALG_ERR 0x04 /* frame error */
180 #define F_CRC_ERR 0x02 /* CRC error */
181 #define F_OVR_FLO 0x01 /* overflow error */
182
183 #define F_BUF_EMP 0x40 /* receive buffer is empty */
184
185 #define F_SKP_PKT 0x05 /* drop packet in buffer */
186
187 /* default bitmaps */
188 #define D_TX_INTR ( ENA_TMT_OK )
189 #define D_RX_INTR ( ENA_PKT_RDY | ENA_LEN_ERR \
190 | ENA_ALG_ERR | ENA_CRC_ERR | ENA_OVR_FLO )
191 #define TX_STAT_M ( F_TMT_RDY )
192 #define RX_STAT_M ( F_PKT_RDY | F_LEN_ERR \
193 | F_ALG_ERR | F_CRC_ERR | F_OVR_FLO )
194
195 /* commands */
196 #define D_TX_MODE 0x06 /* no tests, detect carrier */
197 #define ID_MATCHED 0x02 /* (RX_MODE) */
198 #define RECV_ALL 0x03 /* (RX_MODE) */
199 #define CONFIG0_DFL 0x5a /* 16bit bus, 4K x 2 Tx queues */
200 #define CONFIG0_DFL_1 0x5e /* 16bit bus, 8K x 2 Tx queues */
201 #define CONFIG0_RST 0xda /* Data Link Controller off (CONFIG_0) */
202 #define CONFIG0_RST_1 0xde /* Data Link Controller off (CONFIG_0) */
203 #define BANK_0 0xa0 /* bank 0 (CONFIG_1) */
204 #define BANK_1 0xa4 /* bank 1 (CONFIG_1) */
205 #define BANK_2 0xa8 /* bank 2 (CONFIG_1) */
206 #define CHIP_OFF 0x80 /* contrl chip power off (CONFIG_1) */
207 #define DO_TX 0x80 /* do transmit packet */
208 #define SEND_PKT 0x81 /* send a packet */
209 #define AUTO_MODE 0x07 /* Auto skip packet on 16 col detected */
210 #define MANU_MODE 0x03 /* Stop and skip packet on 16 col */
211 #define TDK_AUTO_MODE 0x47 /* Auto skip packet on 16 col detected */
212 #define TDK_MANU_MODE 0x43 /* Stop and skip packet on 16 col */
213 #define INTR_OFF 0x0d /* LAN controller ignores interrupts */
214 #define INTR_ON 0x1d /* LAN controller will catch interrupts */
215
216 #define TX_TIMEOUT ((400*HZ)/1000)
217
218 #define BANK_0U 0x20 /* bank 0 (CONFIG_1) */
219 #define BANK_1U 0x24 /* bank 1 (CONFIG_1) */
220 #define BANK_2U 0x28 /* bank 2 (CONFIG_1) */
221
222 static const struct net_device_ops fjn_netdev_ops = {
223 .ndo_open = fjn_open,
224 .ndo_stop = fjn_close,
225 .ndo_start_xmit = fjn_start_xmit,
226 .ndo_tx_timeout = fjn_tx_timeout,
227 .ndo_set_config = fjn_config,
228 .ndo_set_rx_mode = set_rx_mode,
229 .ndo_change_mtu = eth_change_mtu,
230 .ndo_set_mac_address = eth_mac_addr,
231 .ndo_validate_addr = eth_validate_addr,
232 };
233
234 static int fmvj18x_probe(struct pcmcia_device *link)
235 {
236 local_info_t *lp;
237 struct net_device *dev;
238
239 dev_dbg(&link->dev, "fmvj18x_attach()\n");
240
241 /* Make up a FMVJ18x specific data structure */
242 dev = alloc_etherdev(sizeof(local_info_t));
243 if (!dev)
244 return -ENOMEM;
245 lp = netdev_priv(dev);
246 link->priv = dev;
247 lp->p_dev = link;
248 lp->base = NULL;
249
250 /* The io structure describes IO port mapping */
251 link->resource[0]->end = 32;
252 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
253
254 /* General socket configuration */
255 link->config_flags |= CONF_ENABLE_IRQ;
256
257 dev->netdev_ops = &fjn_netdev_ops;
258 dev->watchdog_timeo = TX_TIMEOUT;
259
260 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
261
262 return fmvj18x_config(link);
263 } /* fmvj18x_attach */
264
265 /*====================================================================*/
266
267 static void fmvj18x_detach(struct pcmcia_device *link)
268 {
269 struct net_device *dev = link->priv;
270
271 dev_dbg(&link->dev, "fmvj18x_detach\n");
272
273 unregister_netdev(dev);
274
275 fmvj18x_release(link);
276
277 free_netdev(dev);
278 } /* fmvj18x_detach */
279
280 /*====================================================================*/
281
282 static int mfc_try_io_port(struct pcmcia_device *link)
283 {
284 int i, ret;
285 static const unsigned int serial_base[5] =
286 { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
287
288 for (i = 0; i < 5; i++) {
289 link->resource[1]->start = serial_base[i];
290 link->resource[1]->flags |= IO_DATA_PATH_WIDTH_8;
291 if (link->resource[1]->start == 0) {
292 link->resource[1]->end = 0;
293 pr_notice("out of resource for serial\n");
294 }
295 ret = pcmcia_request_io(link);
296 if (ret == 0)
297 return ret;
298 }
299 return ret;
300 }
301
302 static int ungermann_try_io_port(struct pcmcia_device *link)
303 {
304 int ret;
305 unsigned int ioaddr;
306 /*
307 Ungermann-Bass Access/CARD accepts 0x300,0x320,0x340,0x360
308 0x380,0x3c0 only for ioport.
309 */
310 for (ioaddr = 0x300; ioaddr < 0x3e0; ioaddr += 0x20) {
311 link->resource[0]->start = ioaddr;
312 ret = pcmcia_request_io(link);
313 if (ret == 0) {
314 /* calculate ConfigIndex value */
315 link->config_index =
316 ((link->resource[0]->start & 0x0f0) >> 3) | 0x22;
317 return ret;
318 }
319 }
320 return ret; /* RequestIO failed */
321 }
322
323 static int fmvj18x_ioprobe(struct pcmcia_device *p_dev, void *priv_data)
324 {
325 return 0; /* strange, but that's what the code did already before... */
326 }
327
328 static int fmvj18x_config(struct pcmcia_device *link)
329 {
330 struct net_device *dev = link->priv;
331 local_info_t *lp = netdev_priv(dev);
332 int i, ret;
333 unsigned int ioaddr;
334 cardtype_t cardtype;
335 char *card_name = "unknown";
336 u8 *buf;
337 size_t len;
338 u_char buggybuf[32];
339
340 dev_dbg(&link->dev, "fmvj18x_config\n");
341
342 link->io_lines = 5;
343
344 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
345 kfree(buf);
346
347 if (len) {
348 /* Yes, I have CISTPL_FUNCE. Let's check CISTPL_MANFID */
349 ret = pcmcia_loop_config(link, fmvj18x_ioprobe, NULL);
350 if (ret != 0)
351 goto failed;
352
353 switch (link->manf_id) {
354 case MANFID_TDK:
355 cardtype = TDK;
356 if (link->card_id == PRODID_TDK_GN3410 ||
357 link->card_id == PRODID_TDK_NP9610 ||
358 link->card_id == PRODID_TDK_MN3200) {
359 /* MultiFunction Card */
360 link->config_base = 0x800;
361 link->config_index = 0x47;
362 link->resource[1]->end = 8;
363 }
364 break;
365 case MANFID_NEC:
366 cardtype = NEC; /* MultiFunction Card */
367 link->config_base = 0x800;
368 link->config_index = 0x47;
369 link->resource[1]->end = 8;
370 break;
371 case MANFID_KME:
372 cardtype = KME; /* MultiFunction Card */
373 link->config_base = 0x800;
374 link->config_index = 0x47;
375 link->resource[1]->end = 8;
376 break;
377 case MANFID_CONTEC:
378 cardtype = CONTEC;
379 break;
380 case MANFID_FUJITSU:
381 if (link->config_base == 0x0fe0)
382 cardtype = MBH10302;
383 else if (link->card_id == PRODID_FUJITSU_MBH10302)
384 /* RATOC REX-5588/9822/4886's PRODID are 0004(=MBH10302),
385 but these are MBH10304 based card. */
386 cardtype = MBH10304;
387 else if (link->card_id == PRODID_FUJITSU_MBH10304)
388 cardtype = MBH10304;
389 else
390 cardtype = LA501;
391 break;
392 default:
393 cardtype = MBH10304;
394 }
395 } else {
396 /* old type card */
397 switch (link->manf_id) {
398 case MANFID_FUJITSU:
399 if (link->card_id == PRODID_FUJITSU_MBH10304) {
400 cardtype = XXX10304; /* MBH10304 with buggy CIS */
401 link->config_index = 0x20;
402 } else {
403 cardtype = MBH10302; /* NextCom NC5310, etc. */
404 link->config_index = 1;
405 }
406 break;
407 case MANFID_UNGERMANN:
408 cardtype = UNGERMANN;
409 break;
410 default:
411 cardtype = MBH10302;
412 link->config_index = 1;
413 }
414 }
415
416 if (link->resource[1]->end != 0) {
417 ret = mfc_try_io_port(link);
418 if (ret != 0) goto failed;
419 } else if (cardtype == UNGERMANN) {
420 ret = ungermann_try_io_port(link);
421 if (ret != 0) goto failed;
422 } else {
423 ret = pcmcia_request_io(link);
424 if (ret)
425 goto failed;
426 }
427 ret = pcmcia_request_irq(link, fjn_interrupt);
428 if (ret)
429 goto failed;
430 ret = pcmcia_enable_device(link);
431 if (ret)
432 goto failed;
433
434 dev->irq = link->irq;
435 dev->base_addr = link->resource[0]->start;
436
437 if (resource_size(link->resource[1]) != 0) {
438 ret = fmvj18x_setup_mfc(link);
439 if (ret != 0) goto failed;
440 }
441
442 ioaddr = dev->base_addr;
443
444 /* Reset controller */
445 if (sram_config == 0)
446 outb(CONFIG0_RST, ioaddr + CONFIG_0);
447 else
448 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
449
450 /* Power On chip and select bank 0 */
451 if (cardtype == MBH10302)
452 outb(BANK_0, ioaddr + CONFIG_1);
453 else
454 outb(BANK_0U, ioaddr + CONFIG_1);
455
456 /* Set hardware address */
457 switch (cardtype) {
458 case MBH10304:
459 case TDK:
460 case LA501:
461 case CONTEC:
462 case NEC:
463 case KME:
464 if (cardtype == MBH10304) {
465 card_name = "FMV-J182";
466
467 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
468 if (len < 11) {
469 kfree(buf);
470 goto failed;
471 }
472 /* Read MACID from CIS */
473 for (i = 5; i < 11; i++)
474 dev->dev_addr[i] = buf[i];
475 kfree(buf);
476 } else {
477 if (pcmcia_get_mac_from_cis(link, dev))
478 goto failed;
479 if( cardtype == TDK ) {
480 card_name = "TDK LAK-CD021";
481 } else if( cardtype == LA501 ) {
482 card_name = "LA501";
483 } else if( cardtype == NEC ) {
484 card_name = "PK-UG-J001";
485 } else if( cardtype == KME ) {
486 card_name = "Panasonic";
487 } else {
488 card_name = "C-NET(PC)C";
489 }
490 }
491 break;
492 case UNGERMANN:
493 /* Read MACID from register */
494 for (i = 0; i < 6; i++)
495 dev->dev_addr[i] = inb(ioaddr + UNGERMANN_MAC_ID + i);
496 card_name = "Access/CARD";
497 break;
498 case XXX10304:
499 /* Read MACID from Buggy CIS */
500 if (fmvj18x_get_hwinfo(link, buggybuf) == -1) {
501 pr_notice("unable to read hardware net address\n");
502 goto failed;
503 }
504 for (i = 0 ; i < 6; i++) {
505 dev->dev_addr[i] = buggybuf[i];
506 }
507 card_name = "FMV-J182";
508 break;
509 case MBH10302:
510 default:
511 /* Read MACID from register */
512 for (i = 0; i < 6; i++)
513 dev->dev_addr[i] = inb(ioaddr + MAC_ID + i);
514 card_name = "FMV-J181";
515 break;
516 }
517
518 lp->cardtype = cardtype;
519 SET_NETDEV_DEV(dev, &link->dev);
520
521 if (register_netdev(dev) != 0) {
522 pr_notice("register_netdev() failed\n");
523 goto failed;
524 }
525
526 /* print current configuration */
527 netdev_info(dev, "%s, sram %s, port %#3lx, irq %d, hw_addr %pM\n",
528 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 netdev_notice(dev, "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 const 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, 0x0b05),
694 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x1101),
695 PCMCIA_DEVICE_NULL,
696 };
697 MODULE_DEVICE_TABLE(pcmcia, fmvj18x_ids);
698
699 static struct pcmcia_driver fmvj18x_cs_driver = {
700 .owner = THIS_MODULE,
701 .name = "fmvj18x_cs",
702 .probe = fmvj18x_probe,
703 .remove = fmvj18x_detach,
704 .id_table = fmvj18x_ids,
705 .suspend = fmvj18x_suspend,
706 .resume = fmvj18x_resume,
707 };
708
709 static int __init init_fmvj18x_cs(void)
710 {
711 return pcmcia_register_driver(&fmvj18x_cs_driver);
712 }
713
714 static void __exit exit_fmvj18x_cs(void)
715 {
716 pcmcia_unregister_driver(&fmvj18x_cs_driver);
717 }
718
719 module_init(init_fmvj18x_cs);
720 module_exit(exit_fmvj18x_cs);
721
722 /*====================================================================*/
723
724 static irqreturn_t fjn_interrupt(int dummy, void *dev_id)
725 {
726 struct net_device *dev = dev_id;
727 local_info_t *lp = netdev_priv(dev);
728 unsigned int ioaddr;
729 unsigned short tx_stat, rx_stat;
730
731 ioaddr = dev->base_addr;
732
733 /* avoid multiple interrupts */
734 outw(0x0000, ioaddr + TX_INTR);
735
736 /* wait for a while */
737 udelay(1);
738
739 /* get status */
740 tx_stat = inb(ioaddr + TX_STATUS);
741 rx_stat = inb(ioaddr + RX_STATUS);
742
743 /* clear status */
744 outb(tx_stat, ioaddr + TX_STATUS);
745 outb(rx_stat, ioaddr + RX_STATUS);
746
747 pr_debug("%s: interrupt, rx_status %02x.\n", dev->name, rx_stat);
748 pr_debug(" tx_status %02x.\n", tx_stat);
749
750 if (rx_stat || (inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
751 /* there is packet(s) in rx buffer */
752 fjn_rx(dev);
753 }
754 if (tx_stat & F_TMT_RDY) {
755 dev->stats.tx_packets += lp->sent ;
756 lp->sent = 0 ;
757 if (lp->tx_queue) {
758 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
759 lp->sent = lp->tx_queue ;
760 lp->tx_queue = 0;
761 lp->tx_queue_len = 0;
762 dev->trans_start = jiffies;
763 } else {
764 lp->tx_started = 0;
765 }
766 netif_wake_queue(dev);
767 }
768 pr_debug("%s: exiting interrupt,\n", dev->name);
769 pr_debug(" tx_status %02x, rx_status %02x.\n", tx_stat, rx_stat);
770
771 outb(D_TX_INTR, ioaddr + TX_INTR);
772 outb(D_RX_INTR, ioaddr + RX_INTR);
773
774 if (lp->base != NULL) {
775 /* Ack interrupt for multifunction card */
776 writeb(0x01, lp->base+0x802);
777 writeb(0x09, lp->base+0x822);
778 }
779
780 return IRQ_HANDLED;
781
782 } /* fjn_interrupt */
783
784 /*====================================================================*/
785
786 static void fjn_tx_timeout(struct net_device *dev)
787 {
788 struct local_info_t *lp = netdev_priv(dev);
789 unsigned int ioaddr = dev->base_addr;
790
791 netdev_notice(dev, "transmit timed out with status %04x, %s?\n",
792 htons(inw(ioaddr + TX_STATUS)),
793 inb(ioaddr + TX_STATUS) & F_TMT_RDY
794 ? "IRQ conflict" : "network cable problem");
795 netdev_notice(dev, "timeout registers: %04x %04x %04x "
796 "%04x %04x %04x %04x %04x.\n",
797 htons(inw(ioaddr + 0)), htons(inw(ioaddr + 2)),
798 htons(inw(ioaddr + 4)), htons(inw(ioaddr + 6)),
799 htons(inw(ioaddr + 8)), htons(inw(ioaddr + 10)),
800 htons(inw(ioaddr + 12)), htons(inw(ioaddr + 14)));
801 dev->stats.tx_errors++;
802 /* ToDo: We should try to restart the adaptor... */
803 local_irq_disable();
804 fjn_reset(dev);
805
806 lp->tx_started = 0;
807 lp->tx_queue = 0;
808 lp->tx_queue_len = 0;
809 lp->sent = 0;
810 lp->open_time = jiffies;
811 local_irq_enable();
812 netif_wake_queue(dev);
813 }
814
815 static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
816 struct net_device *dev)
817 {
818 struct local_info_t *lp = netdev_priv(dev);
819 unsigned int ioaddr = dev->base_addr;
820 short length = skb->len;
821
822 if (length < ETH_ZLEN)
823 {
824 if (skb_padto(skb, ETH_ZLEN))
825 return NETDEV_TX_OK;
826 length = ETH_ZLEN;
827 }
828
829 netif_stop_queue(dev);
830
831 {
832 unsigned char *buf = skb->data;
833
834 if (length > ETH_FRAME_LEN) {
835 netdev_notice(dev, "Attempting to send a large packet (%d bytes)\n",
836 length);
837 return NETDEV_TX_BUSY;
838 }
839
840 netdev_dbg(dev, "Transmitting a packet of length %lu\n",
841 (unsigned long)skb->len);
842 dev->stats.tx_bytes += skb->len;
843
844 /* Disable both interrupts. */
845 outw(0x0000, ioaddr + TX_INTR);
846
847 /* wait for a while */
848 udelay(1);
849
850 outw(length, ioaddr + DATAPORT);
851 outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1);
852
853 lp->tx_queue++;
854 lp->tx_queue_len += ((length+3) & ~1);
855
856 if (lp->tx_started == 0) {
857 /* If the Tx is idle, always trigger a transmit. */
858 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
859 lp->sent = lp->tx_queue ;
860 lp->tx_queue = 0;
861 lp->tx_queue_len = 0;
862 lp->tx_started = 1;
863 netif_start_queue(dev);
864 } else {
865 if( sram_config == 0 ) {
866 if (lp->tx_queue_len < (4096 - (ETH_FRAME_LEN +2)) )
867 /* Yes, there is room for one more packet. */
868 netif_start_queue(dev);
869 } else {
870 if (lp->tx_queue_len < (8192 - (ETH_FRAME_LEN +2)) &&
871 lp->tx_queue < 127 )
872 /* Yes, there is room for one more packet. */
873 netif_start_queue(dev);
874 }
875 }
876
877 /* Re-enable interrupts */
878 outb(D_TX_INTR, ioaddr + TX_INTR);
879 outb(D_RX_INTR, ioaddr + RX_INTR);
880 }
881 dev_kfree_skb (skb);
882
883 return NETDEV_TX_OK;
884 } /* fjn_start_xmit */
885
886 /*====================================================================*/
887
888 static void fjn_reset(struct net_device *dev)
889 {
890 struct local_info_t *lp = netdev_priv(dev);
891 unsigned int ioaddr = dev->base_addr;
892 int i;
893
894 netdev_dbg(dev, "fjn_reset() called\n");
895
896 /* Reset controller */
897 if( sram_config == 0 )
898 outb(CONFIG0_RST, ioaddr + CONFIG_0);
899 else
900 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
901
902 /* Power On chip and select bank 0 */
903 if (lp->cardtype == MBH10302)
904 outb(BANK_0, ioaddr + CONFIG_1);
905 else
906 outb(BANK_0U, ioaddr + CONFIG_1);
907
908 /* Set Tx modes */
909 outb(D_TX_MODE, ioaddr + TX_MODE);
910 /* set Rx modes */
911 outb(ID_MATCHED, ioaddr + RX_MODE);
912
913 /* Set hardware address */
914 for (i = 0; i < 6; i++)
915 outb(dev->dev_addr[i], ioaddr + NODE_ID + i);
916
917 /* (re)initialize the multicast table */
918 set_rx_mode(dev);
919
920 /* Switch to bank 2 (runtime mode) */
921 if (lp->cardtype == MBH10302)
922 outb(BANK_2, ioaddr + CONFIG_1);
923 else
924 outb(BANK_2U, ioaddr + CONFIG_1);
925
926 /* set 16col ctrl bits */
927 if( lp->cardtype == TDK || lp->cardtype == CONTEC)
928 outb(TDK_AUTO_MODE, ioaddr + COL_CTRL);
929 else
930 outb(AUTO_MODE, ioaddr + COL_CTRL);
931
932 /* clear Reserved Regs */
933 outb(0x00, ioaddr + BMPR12);
934 outb(0x00, ioaddr + BMPR13);
935
936 /* reset Skip packet reg. */
937 outb(0x01, ioaddr + RX_SKIP);
938
939 /* Enable Tx and Rx */
940 if( sram_config == 0 )
941 outb(CONFIG0_DFL, ioaddr + CONFIG_0);
942 else
943 outb(CONFIG0_DFL_1, ioaddr + CONFIG_0);
944
945 /* Init receive pointer ? */
946 inw(ioaddr + DATAPORT);
947 inw(ioaddr + DATAPORT);
948
949 /* Clear all status */
950 outb(0xff, ioaddr + TX_STATUS);
951 outb(0xff, ioaddr + RX_STATUS);
952
953 if (lp->cardtype == MBH10302)
954 outb(INTR_OFF, ioaddr + LAN_CTRL);
955
956 /* Turn on Rx interrupts */
957 outb(D_TX_INTR, ioaddr + TX_INTR);
958 outb(D_RX_INTR, ioaddr + RX_INTR);
959
960 /* Turn on interrupts from LAN card controller */
961 if (lp->cardtype == MBH10302)
962 outb(INTR_ON, ioaddr + LAN_CTRL);
963 } /* fjn_reset */
964
965 /*====================================================================*/
966
967 static void fjn_rx(struct net_device *dev)
968 {
969 unsigned int ioaddr = dev->base_addr;
970 int boguscount = 10; /* 5 -> 10: by agy 19940922 */
971
972 pr_debug("%s: in rx_packet(), rx_status %02x.\n",
973 dev->name, inb(ioaddr + RX_STATUS));
974
975 while ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
976 u_short status = inw(ioaddr + DATAPORT);
977
978 netdev_dbg(dev, "Rxing packet mode %02x status %04x.\n",
979 inb(ioaddr + RX_MODE), status);
980 #ifndef final_version
981 if (status == 0) {
982 outb(F_SKP_PKT, ioaddr + RX_SKIP);
983 break;
984 }
985 #endif
986 if ((status & 0xF0) != 0x20) { /* There was an error. */
987 dev->stats.rx_errors++;
988 if (status & F_LEN_ERR) dev->stats.rx_length_errors++;
989 if (status & F_ALG_ERR) dev->stats.rx_frame_errors++;
990 if (status & F_CRC_ERR) dev->stats.rx_crc_errors++;
991 if (status & F_OVR_FLO) dev->stats.rx_over_errors++;
992 } else {
993 u_short pkt_len = inw(ioaddr + DATAPORT);
994 /* Malloc up new buffer. */
995 struct sk_buff *skb;
996
997 if (pkt_len > 1550) {
998 netdev_notice(dev, "The FMV-18x claimed a very large packet, size %d\n",
999 pkt_len);
1000 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1001 dev->stats.rx_errors++;
1002 break;
1003 }
1004 skb = netdev_alloc_skb(dev, pkt_len + 2);
1005 if (skb == NULL) {
1006 netdev_notice(dev, "Memory squeeze, dropping packet (len %d)\n",
1007 pkt_len);
1008 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1009 dev->stats.rx_dropped++;
1010 break;
1011 }
1012
1013 skb_reserve(skb, 2);
1014 insw(ioaddr + DATAPORT, skb_put(skb, pkt_len),
1015 (pkt_len + 1) >> 1);
1016 skb->protocol = eth_type_trans(skb, dev);
1017
1018 {
1019 int i;
1020 pr_debug("%s: Rxed packet of length %d: ",
1021 dev->name, pkt_len);
1022 for (i = 0; i < 14; i++)
1023 pr_debug(" %02x", skb->data[i]);
1024 pr_debug(".\n");
1025 }
1026
1027 netif_rx(skb);
1028 dev->stats.rx_packets++;
1029 dev->stats.rx_bytes += pkt_len;
1030 }
1031 if (--boguscount <= 0)
1032 break;
1033 }
1034
1035 /* If any worth-while packets have been received, dev_rint()
1036 has done a netif_wake_queue() for us and will work on them
1037 when we get to the bottom-half routine. */
1038 /*
1039 if (lp->cardtype != TDK) {
1040 int i;
1041 for (i = 0; i < 20; i++) {
1042 if ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == F_BUF_EMP)
1043 break;
1044 (void)inw(ioaddr + DATAPORT); /+ dummy status read +/
1045 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1046 }
1047
1048 if (i > 0)
1049 pr_debug("%s: Exint Rx packet with mode %02x after "
1050 "%d ticks.\n", dev->name, inb(ioaddr + RX_MODE), i);
1051 }
1052 */
1053 } /* fjn_rx */
1054
1055 /*====================================================================*/
1056
1057 static void netdev_get_drvinfo(struct net_device *dev,
1058 struct ethtool_drvinfo *info)
1059 {
1060 strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
1061 strlcpy(info->version, DRV_VERSION, sizeof(info->version));
1062 snprintf(info->bus_info, sizeof(info->bus_info),
1063 "PCMCIA 0x%lx", dev->base_addr);
1064 }
1065
1066 static const struct ethtool_ops netdev_ethtool_ops = {
1067 .get_drvinfo = netdev_get_drvinfo,
1068 };
1069
1070 static int fjn_config(struct net_device *dev, struct ifmap *map){
1071 return 0;
1072 }
1073
1074 static int fjn_open(struct net_device *dev)
1075 {
1076 struct local_info_t *lp = netdev_priv(dev);
1077 struct pcmcia_device *link = lp->p_dev;
1078
1079 pr_debug("fjn_open('%s').\n", dev->name);
1080
1081 if (!pcmcia_dev_present(link))
1082 return -ENODEV;
1083
1084 link->open++;
1085
1086 fjn_reset(dev);
1087
1088 lp->tx_started = 0;
1089 lp->tx_queue = 0;
1090 lp->tx_queue_len = 0;
1091 lp->open_time = jiffies;
1092 netif_start_queue(dev);
1093
1094 return 0;
1095 } /* fjn_open */
1096
1097 /*====================================================================*/
1098
1099 static int fjn_close(struct net_device *dev)
1100 {
1101 struct local_info_t *lp = netdev_priv(dev);
1102 struct pcmcia_device *link = lp->p_dev;
1103 unsigned int ioaddr = dev->base_addr;
1104
1105 pr_debug("fjn_close('%s').\n", dev->name);
1106
1107 lp->open_time = 0;
1108 netif_stop_queue(dev);
1109
1110 /* Set configuration register 0 to disable Tx and Rx. */
1111 if( sram_config == 0 )
1112 outb(CONFIG0_RST ,ioaddr + CONFIG_0);
1113 else
1114 outb(CONFIG0_RST_1 ,ioaddr + CONFIG_0);
1115
1116 /* Update the statistics -- ToDo. */
1117
1118 /* Power-down the chip. Green, green, green! */
1119 outb(CHIP_OFF ,ioaddr + CONFIG_1);
1120
1121 /* Set the ethernet adaptor disable IRQ */
1122 if (lp->cardtype == MBH10302)
1123 outb(INTR_OFF, ioaddr + LAN_CTRL);
1124
1125 link->open--;
1126
1127 return 0;
1128 } /* fjn_close */
1129
1130 /*====================================================================*/
1131
1132 /*
1133 Set the multicast/promiscuous mode for this adaptor.
1134 */
1135
1136 static void set_rx_mode(struct net_device *dev)
1137 {
1138 unsigned int ioaddr = dev->base_addr;
1139 u_char mc_filter[8]; /* Multicast hash filter */
1140 u_long flags;
1141 int i;
1142
1143 int saved_bank;
1144 int saved_config_0 = inb(ioaddr + CONFIG_0);
1145
1146 local_irq_save(flags);
1147
1148 /* Disable Tx and Rx */
1149 if (sram_config == 0)
1150 outb(CONFIG0_RST, ioaddr + CONFIG_0);
1151 else
1152 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
1153
1154 if (dev->flags & IFF_PROMISC) {
1155 memset(mc_filter, 0xff, sizeof(mc_filter));
1156 outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */
1157 } else if (netdev_mc_count(dev) > MC_FILTERBREAK ||
1158 (dev->flags & IFF_ALLMULTI)) {
1159 /* Too many to filter perfectly -- accept all multicasts. */
1160 memset(mc_filter, 0xff, sizeof(mc_filter));
1161 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1162 } else if (netdev_mc_empty(dev)) {
1163 memset(mc_filter, 0x00, sizeof(mc_filter));
1164 outb(1, ioaddr + RX_MODE); /* Ignore almost all multicasts. */
1165 } else {
1166 struct netdev_hw_addr *ha;
1167
1168 memset(mc_filter, 0, sizeof(mc_filter));
1169 netdev_for_each_mc_addr(ha, dev) {
1170 unsigned int bit = ether_crc_le(ETH_ALEN, ha->addr) >> 26;
1171 mc_filter[bit >> 3] |= (1 << (bit & 7));
1172 }
1173 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1174 }
1175
1176 /* Switch to bank 1 and set the multicast table. */
1177 saved_bank = inb(ioaddr + CONFIG_1);
1178 outb(0xe4, ioaddr + CONFIG_1);
1179
1180 for (i = 0; i < 8; i++)
1181 outb(mc_filter[i], ioaddr + MAR_ADR + i);
1182 outb(saved_bank, ioaddr + CONFIG_1);
1183
1184 outb(saved_config_0, ioaddr + CONFIG_0);
1185
1186 local_irq_restore(flags);
1187 }
Linux ARM platform port for MOXA ART SoC