1/*======================================================================
2    fmvj18x_cs.c 2.8 2002/03/23
3
4    A fmvj18x (and its compatibles) PCMCIA client driver
5
6    Contributed by Shingo Fujimoto, shingo@flab.fujitsu.co.jp
7
8    TDK LAK-CD021 and CONTEC C-NET(PC)C support added by
9    Nobuhiro Katayama, kata-n@po.iijnet.or.jp
10
11    The PCMCIA client code is based on code written by David Hinds.
12    Network code is based on the "FMV-18x driver" by Yutaka TAMIYA
13    but is actually largely Donald Becker's AT1700 driver, which
14    carries the following attribution:
15
16    Written 1993-94 by Donald Becker.
17
18    Copyright 1993 United States Government as represented by the
19    Director, National Security Agency.
20
21    This software may be used and distributed according to the terms
22    of the GNU General Public License, incorporated herein by reference.
23
24    The author may be reached as becker@scyld.com, or C/O
25    Scyld Computing Corporation
26    410 Severn Ave., Suite 210
27    Annapolis MD 21403
28
29======================================================================*/
30
31#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
32
33#define DRV_NAME	"fmvj18x_cs"
34#define DRV_VERSION	"2.9"
35
36#include <linux/module.h>
37#include <linux/kernel.h>
38#include <linux/ptrace.h>
39#include <linux/slab.h>
40#include <linux/string.h>
41#include <linux/timer.h>
42#include <linux/interrupt.h>
43#include <linux/in.h>
44#include <linux/delay.h>
45#include <linux/ethtool.h>
46#include <linux/netdevice.h>
47#include <linux/etherdevice.h>
48#include <linux/skbuff.h>
49#include <linux/if_arp.h>
50#include <linux/ioport.h>
51#include <linux/crc32.h>
52
53#include <pcmcia/cistpl.h>
54#include <pcmcia/ciscode.h>
55#include <pcmcia/ds.h>
56
57#include <asm/uaccess.h>
58#include <asm/io.h>
59
60/*====================================================================*/
61
62/* Module parameters */
63
64MODULE_DESCRIPTION("fmvj18x and compatible PCMCIA ethernet driver");
65MODULE_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 */
71INT_MODULE_PARM(sram_config, 0);
72
73
74/*====================================================================*/
75/*
76    PCMCIA event handlers
77 */
78static int fmvj18x_config(struct pcmcia_device *link);
79static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id);
80static int fmvj18x_setup_mfc(struct pcmcia_device *link);
81static void fmvj18x_release(struct pcmcia_device *link);
82static void fmvj18x_detach(struct pcmcia_device *p_dev);
83
84/*
85    LAN controller(MBH86960A) specific routines
86 */
87static int fjn_config(struct net_device *dev, struct ifmap *map);
88static int fjn_open(struct net_device *dev);
89static int fjn_close(struct net_device *dev);
90static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
91					struct net_device *dev);
92static irqreturn_t fjn_interrupt(int irq, void *dev_id);
93static void fjn_rx(struct net_device *dev);
94static void fjn_reset(struct net_device *dev);
95static void set_rx_mode(struct net_device *dev);
96static void fjn_tx_timeout(struct net_device *dev);
97static const struct ethtool_ops netdev_ethtool_ops;
98
99/*
100    card type
101 */
102enum cardtype { MBH10302, MBH10304, TDK, CONTEC, LA501, UNGERMANN,
103	       XXX10304, NEC, KME
104};
105
106/*
107    driver specific data structure
108*/
109struct local_info {
110	struct pcmcia_device	*p_dev;
111    long open_time;
112    uint tx_started:1;
113    uint tx_queue;
114    u_short tx_queue_len;
115    enum cardtype cardtype;
116    u_short sent;
117    u_char __iomem *base;
118};
119
120#define MC_FILTERBREAK 64
121
122/*====================================================================*/
123/*
124    ioport offset from the base address
125 */
126#define TX_STATUS               0 /* transmit status register */
127#define RX_STATUS               1 /* receive status register */
128#define TX_INTR                 2 /* transmit interrupt mask register */
129#define RX_INTR                 3 /* receive interrupt mask register */
130#define TX_MODE                 4 /* transmit mode register */
131#define RX_MODE                 5 /* receive mode register */
132#define CONFIG_0                6 /* configuration register 0 */
133#define CONFIG_1                7 /* configuration register 1 */
134
135#define NODE_ID                 8 /* node ID register            (bank 0) */
136#define MAR_ADR                 8 /* multicast address registers (bank 1) */
137
138#define DATAPORT                8 /* buffer mem port registers   (bank 2) */
139#define TX_START               10 /* transmit start register */
140#define COL_CTRL               11 /* 16 collision control register */
141#define BMPR12                 12 /* reserved */
142#define BMPR13                 13 /* reserved */
143#define RX_SKIP                14 /* skip received packet register */
144
145#define LAN_CTRL               16 /* LAN card control register */
146
147#define MAC_ID               0x1a /* hardware address */
148#define UNGERMANN_MAC_ID     0x18 /* UNGERMANN-BASS hardware address */
149
150/*
151    control bits
152 */
153#define ENA_TMT_OK           0x80
154#define ENA_TMT_REC          0x20
155#define ENA_COL              0x04
156#define ENA_16_COL           0x02
157#define ENA_TBUS_ERR         0x01
158
159#define ENA_PKT_RDY          0x80
160#define ENA_BUS_ERR          0x40
161#define ENA_LEN_ERR          0x08
162#define ENA_ALG_ERR          0x04
163#define ENA_CRC_ERR          0x02
164#define ENA_OVR_FLO          0x01
165
166/* flags */
167#define F_TMT_RDY            0x80 /* can accept new packet */
168#define F_NET_BSY            0x40 /* carrier is detected */
169#define F_TMT_OK             0x20 /* send packet successfully */
170#define F_SRT_PKT            0x10 /* short packet error */
171#define F_COL_ERR            0x04 /* collision error */
172#define F_16_COL             0x02 /* 16 collision error */
173#define F_TBUS_ERR           0x01 /* bus read error */
174
175#define F_PKT_RDY            0x80 /* packet(s) in buffer */
176#define F_BUS_ERR            0x40 /* bus read error */
177#define F_LEN_ERR            0x08 /* short packet */
178#define F_ALG_ERR            0x04 /* frame error */
179#define F_CRC_ERR            0x02 /* CRC error */
180#define F_OVR_FLO            0x01 /* overflow error */
181
182#define F_BUF_EMP            0x40 /* receive buffer is empty */
183
184#define F_SKP_PKT            0x05 /* drop packet in buffer */
185
186/* default bitmaps */
187#define D_TX_INTR  ( ENA_TMT_OK )
188#define D_RX_INTR  ( ENA_PKT_RDY | ENA_LEN_ERR \
189		   | ENA_ALG_ERR | ENA_CRC_ERR | ENA_OVR_FLO )
190#define TX_STAT_M  ( F_TMT_RDY )
191#define RX_STAT_M  ( F_PKT_RDY | F_LEN_ERR \
192                   | F_ALG_ERR | F_CRC_ERR | F_OVR_FLO )
193
194/* commands */
195#define D_TX_MODE            0x06 /* no tests, detect carrier */
196#define ID_MATCHED           0x02 /* (RX_MODE) */
197#define RECV_ALL             0x03 /* (RX_MODE) */
198#define CONFIG0_DFL          0x5a /* 16bit bus, 4K x 2 Tx queues */
199#define CONFIG0_DFL_1        0x5e /* 16bit bus, 8K x 2 Tx queues */
200#define CONFIG0_RST          0xda /* Data Link Controller off (CONFIG_0) */
201#define CONFIG0_RST_1        0xde /* Data Link Controller off (CONFIG_0) */
202#define BANK_0               0xa0 /* bank 0 (CONFIG_1) */
203#define BANK_1               0xa4 /* bank 1 (CONFIG_1) */
204#define BANK_2               0xa8 /* bank 2 (CONFIG_1) */
205#define CHIP_OFF             0x80 /* contrl chip power off (CONFIG_1) */
206#define DO_TX                0x80 /* do transmit packet */
207#define SEND_PKT             0x81 /* send a packet */
208#define AUTO_MODE            0x07 /* Auto skip packet on 16 col detected */
209#define MANU_MODE            0x03 /* Stop and skip packet on 16 col */
210#define TDK_AUTO_MODE        0x47 /* Auto skip packet on 16 col detected */
211#define TDK_MANU_MODE        0x43 /* Stop and skip packet on 16 col */
212#define INTR_OFF             0x0d /* LAN controller ignores interrupts */
213#define INTR_ON              0x1d /* LAN controller will catch interrupts */
214
215#define TX_TIMEOUT		((400*HZ)/1000)
216
217#define BANK_0U              0x20 /* bank 0 (CONFIG_1) */
218#define BANK_1U              0x24 /* bank 1 (CONFIG_1) */
219#define BANK_2U              0x28 /* bank 2 (CONFIG_1) */
220
221static const struct net_device_ops fjn_netdev_ops = {
222	.ndo_open 		= fjn_open,
223	.ndo_stop		= fjn_close,
224	.ndo_start_xmit 	= fjn_start_xmit,
225	.ndo_tx_timeout 	= fjn_tx_timeout,
226	.ndo_set_config 	= fjn_config,
227	.ndo_set_rx_mode	= set_rx_mode,
228	.ndo_change_mtu		= eth_change_mtu,
229	.ndo_set_mac_address 	= eth_mac_addr,
230	.ndo_validate_addr	= eth_validate_addr,
231};
232
233static int fmvj18x_probe(struct pcmcia_device *link)
234{
235    struct local_info *lp;
236    struct net_device *dev;
237
238    dev_dbg(&link->dev, "fmvj18x_attach()\n");
239
240    /* Make up a FMVJ18x specific data structure */
241    dev = alloc_etherdev(sizeof(struct local_info));
242    if (!dev)
243	return -ENOMEM;
244    lp = netdev_priv(dev);
245    link->priv = dev;
246    lp->p_dev = link;
247    lp->base = NULL;
248
249    /* The io structure describes IO port mapping */
250    link->resource[0]->end = 32;
251    link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
252
253    /* General socket configuration */
254    link->config_flags |= CONF_ENABLE_IRQ;
255
256    dev->netdev_ops = &fjn_netdev_ops;
257    dev->watchdog_timeo = TX_TIMEOUT;
258
259    dev->ethtool_ops = &netdev_ethtool_ops;
260
261    return fmvj18x_config(link);
262} /* fmvj18x_attach */
263
264/*====================================================================*/
265
266static 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
281static int mfc_try_io_port(struct pcmcia_device *link)
282{
283    int i, ret;
284    static const unsigned int serial_base[5] =
285	{ 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
286
287    for (i = 0; i < 5; i++) {
288	link->resource[1]->start = serial_base[i];
289	link->resource[1]->flags |= IO_DATA_PATH_WIDTH_8;
290	if (link->resource[1]->start == 0) {
291	    link->resource[1]->end = 0;
292	    pr_notice("out of resource for serial\n");
293	}
294	ret = pcmcia_request_io(link);
295	if (ret == 0)
296		return ret;
297    }
298    return ret;
299}
300
301static 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
322static 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
327static int fmvj18x_config(struct pcmcia_device *link)
328{
329    struct net_device *dev = link->priv;
330    struct local_info *lp = netdev_priv(dev);
331    int i, ret;
332    unsigned int ioaddr;
333    enum cardtype cardtype;
334    char *card_name = "unknown";
335    u8 *buf;
336    size_t len;
337    u_char buggybuf[32];
338
339    dev_dbg(&link->dev, "fmvj18x_config\n");
340
341    link->io_lines = 5;
342
343    len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
344    kfree(buf);
345
346    if (len) {
347	/* Yes, I have CISTPL_FUNCE. Let's check CISTPL_MANFID */
348	ret = pcmcia_loop_config(link, fmvj18x_ioprobe, NULL);
349	if (ret != 0)
350		goto failed;
351
352	switch (link->manf_id) {
353	case MANFID_TDK:
354	    cardtype = TDK;
355	    if (link->card_id == PRODID_TDK_GN3410 ||
356		link->card_id == PRODID_TDK_NP9610 ||
357		link->card_id == PRODID_TDK_MN3200) {
358		/* MultiFunction Card */
359		link->config_base = 0x800;
360		link->config_index = 0x47;
361		link->resource[1]->end = 8;
362	    }
363	    break;
364	case MANFID_NEC:
365	    cardtype = NEC; /* MultiFunction Card */
366	    link->config_base = 0x800;
367	    link->config_index = 0x47;
368	    link->resource[1]->end = 8;
369	    break;
370	case MANFID_KME:
371	    cardtype = KME; /* MultiFunction Card */
372	    link->config_base = 0x800;
373	    link->config_index = 0x47;
374	    link->resource[1]->end = 8;
375	    break;
376	case MANFID_CONTEC:
377	    cardtype = CONTEC;
378	    break;
379	case MANFID_FUJITSU:
380	    if (link->config_base == 0x0fe0)
381		cardtype = MBH10302;
382	    else if (link->card_id == PRODID_FUJITSU_MBH10302)
383                /* RATOC REX-5588/9822/4886's PRODID are 0004(=MBH10302),
384                   but these are MBH10304 based card. */
385		cardtype = MBH10304;
386	    else if (link->card_id == PRODID_FUJITSU_MBH10304)
387		cardtype = MBH10304;
388	    else
389		cardtype = LA501;
390	    break;
391	default:
392	    cardtype = MBH10304;
393	}
394    } else {
395	/* old type card */
396	switch (link->manf_id) {
397	case MANFID_FUJITSU:
398	    if (link->card_id == PRODID_FUJITSU_MBH10304) {
399		cardtype = XXX10304;    /* MBH10304 with buggy CIS */
400		link->config_index = 0x20;
401	    } else {
402		cardtype = MBH10302;    /* NextCom NC5310, etc. */
403		link->config_index = 1;
404	    }
405	    break;
406	case MANFID_UNGERMANN:
407	    cardtype = UNGERMANN;
408	    break;
409	default:
410	    cardtype = MBH10302;
411	    link->config_index = 1;
412	}
413    }
414
415    if (link->resource[1]->end != 0) {
416	ret = mfc_try_io_port(link);
417	if (ret != 0) goto failed;
418    } else if (cardtype == UNGERMANN) {
419	ret = ungermann_try_io_port(link);
420	if (ret != 0) goto failed;
421    } else {
422	    ret = pcmcia_request_io(link);
423	    if (ret)
424		    goto failed;
425    }
426    ret = pcmcia_request_irq(link, fjn_interrupt);
427    if (ret)
428	    goto failed;
429    ret = pcmcia_enable_device(link);
430    if (ret)
431	    goto failed;
432
433    dev->irq = link->irq;
434    dev->base_addr = link->resource[0]->start;
435
436    if (resource_size(link->resource[1]) != 0) {
437	ret = fmvj18x_setup_mfc(link);
438	if (ret != 0) goto failed;
439    }
440
441    ioaddr = dev->base_addr;
442
443    /* Reset controller */
444    if (sram_config == 0)
445	outb(CONFIG0_RST, ioaddr + CONFIG_0);
446    else
447	outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
448
449    /* Power On chip and select bank 0 */
450    if (cardtype == MBH10302)
451	outb(BANK_0, ioaddr + CONFIG_1);
452    else
453	outb(BANK_0U, ioaddr + CONFIG_1);
454
455    /* Set hardware address */
456    switch (cardtype) {
457    case MBH10304:
458    case TDK:
459    case LA501:
460    case CONTEC:
461    case NEC:
462    case KME:
463	if (cardtype == MBH10304) {
464	    card_name = "FMV-J182";
465
466	    len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
467	    if (len < 11) {
468		    kfree(buf);
469		    goto failed;
470	    }
471	    /* Read MACID from CIS */
472	    for (i = 5; i < 11; i++)
473		    dev->dev_addr[i] = buf[i];
474	    kfree(buf);
475	} else {
476	    if (pcmcia_get_mac_from_cis(link, dev))
477		goto failed;
478	    if( cardtype == TDK ) {
479		card_name = "TDK LAK-CD021";
480	    } else if( cardtype == LA501 ) {
481		card_name = "LA501";
482	    } else if( cardtype == NEC ) {
483		card_name = "PK-UG-J001";
484	    } else if( cardtype == KME ) {
485		card_name = "Panasonic";
486	    } else {
487		card_name = "C-NET(PC)C";
488	    }
489	}
490	break;
491    case UNGERMANN:
492	/* Read MACID from register */
493	for (i = 0; i < 6; i++)
494	    dev->dev_addr[i] = inb(ioaddr + UNGERMANN_MAC_ID + i);
495	card_name = "Access/CARD";
496	break;
497    case XXX10304:
498	/* Read MACID from Buggy CIS */
499	if (fmvj18x_get_hwinfo(link, buggybuf) == -1) {
500	    pr_notice("unable to read hardware net address\n");
501	    goto failed;
502	}
503	for (i = 0 ; i < 6; i++) {
504	    dev->dev_addr[i] = buggybuf[i];
505	}
506	card_name = "FMV-J182";
507	break;
508    case MBH10302:
509    default:
510	/* Read MACID from register */
511	for (i = 0; i < 6; i++)
512	    dev->dev_addr[i] = inb(ioaddr + MAC_ID + i);
513	card_name = "FMV-J181";
514	break;
515    }
516
517    lp->cardtype = cardtype;
518    SET_NETDEV_DEV(dev, &link->dev);
519
520    if (register_netdev(dev) != 0) {
521	pr_notice("register_netdev() failed\n");
522	goto failed;
523    }
524
525    /* print current configuration */
526    netdev_info(dev, "%s, sram %s, port %#3lx, irq %d, hw_addr %pM\n",
527		card_name, sram_config == 0 ? "4K TX*2" : "8K TX*2",
528		dev->base_addr, dev->irq, dev->dev_addr);
529
530    return 0;
531
532failed:
533    fmvj18x_release(link);
534    return -ENODEV;
535} /* fmvj18x_config */
536/*====================================================================*/
537
538static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id)
539{
540    u_char __iomem *base;
541    int i, j;
542
543    /* Allocate a small memory window */
544    link->resource[2]->flags |= WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
545    link->resource[2]->start = 0; link->resource[2]->end = 0;
546    i = pcmcia_request_window(link, link->resource[2], 0);
547    if (i != 0)
548	return -1;
549
550    base = ioremap(link->resource[2]->start, resource_size(link->resource[2]));
551    pcmcia_map_mem_page(link, link->resource[2], 0);
552
553    /*
554     *  MBH10304 CISTPL_FUNCE_LAN_NODE_ID format
555     *  22 0d xx xx xx 04 06 yy yy yy yy yy yy ff
556     *  'xx' is garbage.
557     *  'yy' is MAC address.
558    */
559    for (i = 0; i < 0x200; i++) {
560	if (readb(base+i*2) == 0x22) {
561		if (readb(base+(i-1)*2) == 0xff &&
562		    readb(base+(i+5)*2) == 0x04 &&
563		    readb(base+(i+6)*2) == 0x06 &&
564		    readb(base+(i+13)*2) == 0xff)
565			break;
566	}
567    }
568
569    if (i != 0x200) {
570	for (j = 0 ; j < 6; j++,i++) {
571	    node_id[j] = readb(base+(i+7)*2);
572	}
573    }
574
575    iounmap(base);
576    j = pcmcia_release_window(link, link->resource[2]);
577    return (i != 0x200) ? 0 : -1;
578
579} /* fmvj18x_get_hwinfo */
580/*====================================================================*/
581
582static int fmvj18x_setup_mfc(struct pcmcia_device *link)
583{
584    int i;
585    struct net_device *dev = link->priv;
586    unsigned int ioaddr;
587    struct local_info *lp = netdev_priv(dev);
588
589    /* Allocate a small memory window */
590    link->resource[3]->flags = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
591    link->resource[3]->start = link->resource[3]->end = 0;
592    i = pcmcia_request_window(link, link->resource[3], 0);
593    if (i != 0)
594	return -1;
595
596    lp->base = ioremap(link->resource[3]->start,
597		       resource_size(link->resource[3]));
598    if (lp->base == NULL) {
599	netdev_notice(dev, "ioremap failed\n");
600	return -1;
601    }
602
603    i = pcmcia_map_mem_page(link, link->resource[3], 0);
604    if (i != 0) {
605	iounmap(lp->base);
606	lp->base = NULL;
607	return -1;
608    }
609
610    ioaddr = dev->base_addr;
611    writeb(0x47, lp->base+0x800);	/* Config Option Register of LAN */
612    writeb(0x0,  lp->base+0x802);	/* Config and Status Register */
613
614    writeb(ioaddr & 0xff, lp->base+0x80a);	  /* I/O Base(Low) of LAN */
615    writeb((ioaddr >> 8) & 0xff, lp->base+0x80c); /* I/O Base(High) of LAN */
616
617    writeb(0x45, lp->base+0x820);	/* Config Option Register of Modem */
618    writeb(0x8,  lp->base+0x822);	/* Config and Status Register */
619
620    return 0;
621
622}
623/*====================================================================*/
624
625static void fmvj18x_release(struct pcmcia_device *link)
626{
627
628    struct net_device *dev = link->priv;
629    struct local_info *lp = netdev_priv(dev);
630    u_char __iomem *tmp;
631
632    dev_dbg(&link->dev, "fmvj18x_release\n");
633
634    if (lp->base != NULL) {
635	tmp = lp->base;
636	lp->base = NULL;    /* set NULL before iounmap */
637	iounmap(tmp);
638    }
639
640    pcmcia_disable_device(link);
641
642}
643
644static int fmvj18x_suspend(struct pcmcia_device *link)
645{
646	struct net_device *dev = link->priv;
647
648	if (link->open)
649		netif_device_detach(dev);
650
651	return 0;
652}
653
654static int fmvj18x_resume(struct pcmcia_device *link)
655{
656	struct net_device *dev = link->priv;
657
658	if (link->open) {
659		fjn_reset(dev);
660		netif_device_attach(dev);
661	}
662
663	return 0;
664}
665
666/*====================================================================*/
667
668static const struct pcmcia_device_id fmvj18x_ids[] = {
669	PCMCIA_DEVICE_MANF_CARD(0x0004, 0x0004),
670	PCMCIA_DEVICE_PROD_ID12("EAGLE Technology", "NE200 ETHERNET LAN MBH10302 04", 0x528c88c4, 0x74f91e59),
671	PCMCIA_DEVICE_PROD_ID12("Eiger Labs,Inc", "EPX-10BT PC Card Ethernet 10BT", 0x53af556e, 0x877f9922),
672	PCMCIA_DEVICE_PROD_ID12("Eiger labs,Inc.", "EPX-10BT PC Card Ethernet 10BT", 0xf47e6c66, 0x877f9922),
673	PCMCIA_DEVICE_PROD_ID12("FUJITSU", "LAN Card(FMV-J182)", 0x6ee5a3d8, 0x5baf31db),
674	PCMCIA_DEVICE_PROD_ID12("FUJITSU", "MBH10308", 0x6ee5a3d8, 0x3f04875e),
675	PCMCIA_DEVICE_PROD_ID12("FUJITSU TOWA", "LA501", 0xb8451188, 0x12939ba2),
676	PCMCIA_DEVICE_PROD_ID12("HITACHI", "HT-4840-11", 0xf4f43949, 0x773910f4),
677	PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310B Ver1.0       ", 0x8cef4d3a, 0x075fc7b6),
678	PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310 Ver1.0        ", 0x8cef4d3a, 0xbccf43e6),
679	PCMCIA_DEVICE_PROD_ID12("RATOC System Inc.", "10BASE_T CARD R280", 0x85c10e17, 0xd9413666),
680	PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CD02x", 0x1eae9475, 0x8fa0ee70),
681	PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CF010", 0x1eae9475, 0x7683bc9a),
682	PCMCIA_DEVICE_PROD_ID1("CONTEC Co.,Ltd.", 0x58d8fee2),
683	PCMCIA_DEVICE_PROD_ID1("PCMCIA LAN MBH10304  ES", 0x2599f454),
684	PCMCIA_DEVICE_PROD_ID1("PCMCIA MBH10302", 0x8f4005da),
685	PCMCIA_DEVICE_PROD_ID1("UBKK,V2.0", 0x90888080),
686	PCMCIA_PFC_DEVICE_PROD_ID12(0, "TDK", "GlobalNetworker 3410/3412", 0x1eae9475, 0xd9a93bed),
687	PCMCIA_PFC_DEVICE_PROD_ID12(0, "NEC", "PK-UG-J001" ,0x18df0ba0 ,0x831b1064),
688	PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0d0a),
689	PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0e0a),
690	PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0e01),
691	PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0a05),
692	PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0b05),
693	PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x1101),
694	PCMCIA_DEVICE_NULL,
695};
696MODULE_DEVICE_TABLE(pcmcia, fmvj18x_ids);
697
698static struct pcmcia_driver fmvj18x_cs_driver = {
699	.owner		= THIS_MODULE,
700	.name		= "fmvj18x_cs",
701	.probe		= fmvj18x_probe,
702	.remove		= fmvj18x_detach,
703	.id_table       = fmvj18x_ids,
704	.suspend	= fmvj18x_suspend,
705	.resume		= fmvj18x_resume,
706};
707module_pcmcia_driver(fmvj18x_cs_driver);
708
709/*====================================================================*/
710
711static irqreturn_t fjn_interrupt(int dummy, void *dev_id)
712{
713    struct net_device *dev = dev_id;
714    struct local_info *lp = netdev_priv(dev);
715    unsigned int ioaddr;
716    unsigned short tx_stat, rx_stat;
717
718    ioaddr = dev->base_addr;
719
720    /* avoid multiple interrupts */
721    outw(0x0000, ioaddr + TX_INTR);
722
723    /* wait for a while */
724    udelay(1);
725
726    /* get status */
727    tx_stat = inb(ioaddr + TX_STATUS);
728    rx_stat = inb(ioaddr + RX_STATUS);
729
730    /* clear status */
731    outb(tx_stat, ioaddr + TX_STATUS);
732    outb(rx_stat, ioaddr + RX_STATUS);
733
734    pr_debug("%s: interrupt, rx_status %02x.\n", dev->name, rx_stat);
735    pr_debug("               tx_status %02x.\n", tx_stat);
736
737    if (rx_stat || (inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
738	/* there is packet(s) in rx buffer */
739	fjn_rx(dev);
740    }
741    if (tx_stat & F_TMT_RDY) {
742	dev->stats.tx_packets += lp->sent ;
743        lp->sent = 0 ;
744	if (lp->tx_queue) {
745	    outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
746	    lp->sent = lp->tx_queue ;
747	    lp->tx_queue = 0;
748	    lp->tx_queue_len = 0;
749	    dev->trans_start = jiffies;
750	} else {
751	    lp->tx_started = 0;
752	}
753	netif_wake_queue(dev);
754    }
755    pr_debug("%s: exiting interrupt,\n", dev->name);
756    pr_debug("    tx_status %02x, rx_status %02x.\n", tx_stat, rx_stat);
757
758    outb(D_TX_INTR, ioaddr + TX_INTR);
759    outb(D_RX_INTR, ioaddr + RX_INTR);
760
761    if (lp->base != NULL) {
762	/* Ack interrupt for multifunction card */
763	writeb(0x01, lp->base+0x802);
764	writeb(0x09, lp->base+0x822);
765    }
766
767    return IRQ_HANDLED;
768
769} /* fjn_interrupt */
770
771/*====================================================================*/
772
773static void fjn_tx_timeout(struct net_device *dev)
774{
775    struct local_info *lp = netdev_priv(dev);
776    unsigned int ioaddr = dev->base_addr;
777
778    netdev_notice(dev, "transmit timed out with status %04x, %s?\n",
779		  htons(inw(ioaddr + TX_STATUS)),
780		  inb(ioaddr + TX_STATUS) & F_TMT_RDY
781		  ? "IRQ conflict" : "network cable problem");
782    netdev_notice(dev, "timeout registers: %04x %04x %04x "
783		  "%04x %04x %04x %04x %04x.\n",
784		  htons(inw(ioaddr + 0)), htons(inw(ioaddr + 2)),
785		  htons(inw(ioaddr + 4)), htons(inw(ioaddr + 6)),
786		  htons(inw(ioaddr + 8)), htons(inw(ioaddr + 10)),
787		  htons(inw(ioaddr + 12)), htons(inw(ioaddr + 14)));
788    dev->stats.tx_errors++;
789    /* ToDo: We should try to restart the adaptor... */
790    local_irq_disable();
791    fjn_reset(dev);
792
793    lp->tx_started = 0;
794    lp->tx_queue = 0;
795    lp->tx_queue_len = 0;
796    lp->sent = 0;
797    lp->open_time = jiffies;
798    local_irq_enable();
799    netif_wake_queue(dev);
800}
801
802static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
803					struct net_device *dev)
804{
805    struct local_info *lp = netdev_priv(dev);
806    unsigned int ioaddr = dev->base_addr;
807    short length = skb->len;
808
809    if (length < ETH_ZLEN)
810    {
811    	if (skb_padto(skb, ETH_ZLEN))
812    		return NETDEV_TX_OK;
813    	length = ETH_ZLEN;
814    }
815
816    netif_stop_queue(dev);
817
818    {
819	unsigned char *buf = skb->data;
820
821	if (length > ETH_FRAME_LEN) {
822	    netdev_notice(dev, "Attempting to send a large packet (%d bytes)\n",
823			  length);
824	    return NETDEV_TX_BUSY;
825	}
826
827	netdev_dbg(dev, "Transmitting a packet of length %lu\n",
828		   (unsigned long)skb->len);
829	dev->stats.tx_bytes += skb->len;
830
831	/* Disable both interrupts. */
832	outw(0x0000, ioaddr + TX_INTR);
833
834	/* wait for a while */
835	udelay(1);
836
837	outw(length, ioaddr + DATAPORT);
838	outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1);
839
840	lp->tx_queue++;
841	lp->tx_queue_len += ((length+3) & ~1);
842
843	if (lp->tx_started == 0) {
844	    /* If the Tx is idle, always trigger a transmit. */
845	    outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
846	    lp->sent = lp->tx_queue ;
847	    lp->tx_queue = 0;
848	    lp->tx_queue_len = 0;
849	    lp->tx_started = 1;
850	    netif_start_queue(dev);
851	} else {
852	    if( sram_config == 0 ) {
853		if (lp->tx_queue_len < (4096 - (ETH_FRAME_LEN +2)) )
854		    /* Yes, there is room for one more packet. */
855		    netif_start_queue(dev);
856	    } else {
857		if (lp->tx_queue_len < (8192 - (ETH_FRAME_LEN +2)) &&
858						lp->tx_queue < 127 )
859		    /* Yes, there is room for one more packet. */
860		    netif_start_queue(dev);
861	    }
862	}
863
864	/* Re-enable interrupts */
865	outb(D_TX_INTR, ioaddr + TX_INTR);
866	outb(D_RX_INTR, ioaddr + RX_INTR);
867    }
868    dev_kfree_skb (skb);
869
870    return NETDEV_TX_OK;
871} /* fjn_start_xmit */
872
873/*====================================================================*/
874
875static void fjn_reset(struct net_device *dev)
876{
877    struct local_info *lp = netdev_priv(dev);
878    unsigned int ioaddr = dev->base_addr;
879    int i;
880
881    netdev_dbg(dev, "fjn_reset() called\n");
882
883    /* Reset controller */
884    if( sram_config == 0 )
885	outb(CONFIG0_RST, ioaddr + CONFIG_0);
886    else
887	outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
888
889    /* Power On chip and select bank 0 */
890    if (lp->cardtype == MBH10302)
891	outb(BANK_0, ioaddr + CONFIG_1);
892    else
893	outb(BANK_0U, ioaddr + CONFIG_1);
894
895    /* Set Tx modes */
896    outb(D_TX_MODE, ioaddr + TX_MODE);
897    /* set Rx modes */
898    outb(ID_MATCHED, ioaddr + RX_MODE);
899
900    /* Set hardware address */
901    for (i = 0; i < 6; i++)
902        outb(dev->dev_addr[i], ioaddr + NODE_ID + i);
903
904    /* (re)initialize the multicast table */
905    set_rx_mode(dev);
906
907    /* Switch to bank 2 (runtime mode) */
908    if (lp->cardtype == MBH10302)
909	outb(BANK_2, ioaddr + CONFIG_1);
910    else
911	outb(BANK_2U, ioaddr + CONFIG_1);
912
913    /* set 16col ctrl bits */
914    if( lp->cardtype == TDK || lp->cardtype == CONTEC)
915        outb(TDK_AUTO_MODE, ioaddr + COL_CTRL);
916    else
917        outb(AUTO_MODE, ioaddr + COL_CTRL);
918
919    /* clear Reserved Regs */
920    outb(0x00, ioaddr + BMPR12);
921    outb(0x00, ioaddr + BMPR13);
922
923    /* reset Skip packet reg. */
924    outb(0x01, ioaddr + RX_SKIP);
925
926    /* Enable Tx and Rx */
927    if( sram_config == 0 )
928	outb(CONFIG0_DFL, ioaddr + CONFIG_0);
929    else
930	outb(CONFIG0_DFL_1, ioaddr + CONFIG_0);
931
932    /* Init receive pointer ? */
933    inw(ioaddr + DATAPORT);
934    inw(ioaddr + DATAPORT);
935
936    /* Clear all status */
937    outb(0xff, ioaddr + TX_STATUS);
938    outb(0xff, ioaddr + RX_STATUS);
939
940    if (lp->cardtype == MBH10302)
941	outb(INTR_OFF, ioaddr + LAN_CTRL);
942
943    /* Turn on Rx interrupts */
944    outb(D_TX_INTR, ioaddr + TX_INTR);
945    outb(D_RX_INTR, ioaddr + RX_INTR);
946
947    /* Turn on interrupts from LAN card controller */
948    if (lp->cardtype == MBH10302)
949	outb(INTR_ON, ioaddr + LAN_CTRL);
950} /* fjn_reset */
951
952/*====================================================================*/
953
954static void fjn_rx(struct net_device *dev)
955{
956    unsigned int ioaddr = dev->base_addr;
957    int boguscount = 10;	/* 5 -> 10: by agy 19940922 */
958
959    pr_debug("%s: in rx_packet(), rx_status %02x.\n",
960	  dev->name, inb(ioaddr + RX_STATUS));
961
962    while ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
963	u_short status = inw(ioaddr + DATAPORT);
964
965	netdev_dbg(dev, "Rxing packet mode %02x status %04x.\n",
966		   inb(ioaddr + RX_MODE), status);
967#ifndef final_version
968	if (status == 0) {
969	    outb(F_SKP_PKT, ioaddr + RX_SKIP);
970	    break;
971	}
972#endif
973	if ((status & 0xF0) != 0x20) {	/* There was an error. */
974	    dev->stats.rx_errors++;
975	    if (status & F_LEN_ERR) dev->stats.rx_length_errors++;
976	    if (status & F_ALG_ERR) dev->stats.rx_frame_errors++;
977	    if (status & F_CRC_ERR) dev->stats.rx_crc_errors++;
978	    if (status & F_OVR_FLO) dev->stats.rx_over_errors++;
979	} else {
980	    u_short pkt_len = inw(ioaddr + DATAPORT);
981	    /* Malloc up new buffer. */
982	    struct sk_buff *skb;
983
984	    if (pkt_len > 1550) {
985		netdev_notice(dev, "The FMV-18x claimed a very large packet, size %d\n",
986			      pkt_len);
987		outb(F_SKP_PKT, ioaddr + RX_SKIP);
988		dev->stats.rx_errors++;
989		break;
990	    }
991	    skb = netdev_alloc_skb(dev, pkt_len + 2);
992	    if (skb == NULL) {
993		outb(F_SKP_PKT, ioaddr + RX_SKIP);
994		dev->stats.rx_dropped++;
995		break;
996	    }
997
998	    skb_reserve(skb, 2);
999	    insw(ioaddr + DATAPORT, skb_put(skb, pkt_len),
1000		 (pkt_len + 1) >> 1);
1001	    skb->protocol = eth_type_trans(skb, dev);
1002
1003	    {
1004		int i;
1005		pr_debug("%s: Rxed packet of length %d: ",
1006			dev->name, pkt_len);
1007		for (i = 0; i < 14; i++)
1008			pr_debug(" %02x", skb->data[i]);
1009		pr_debug(".\n");
1010	    }
1011
1012	    netif_rx(skb);
1013	    dev->stats.rx_packets++;
1014	    dev->stats.rx_bytes += pkt_len;
1015	}
1016	if (--boguscount <= 0)
1017	    break;
1018    }
1019
1020    /* If any worth-while packets have been received, dev_rint()
1021	   has done a netif_wake_queue() for us and will work on them
1022	   when we get to the bottom-half routine. */
1023/*
1024    if (lp->cardtype != TDK) {
1025	int i;
1026	for (i = 0; i < 20; i++) {
1027	    if ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == F_BUF_EMP)
1028		break;
1029	    (void)inw(ioaddr + DATAPORT);  /+ dummy status read +/
1030	    outb(F_SKP_PKT, ioaddr + RX_SKIP);
1031	}
1032
1033	if (i > 0)
1034	    pr_debug("%s: Exint Rx packet with mode %02x after "
1035		  "%d ticks.\n", dev->name, inb(ioaddr + RX_MODE), i);
1036    }
1037*/
1038} /* fjn_rx */
1039
1040/*====================================================================*/
1041
1042static void netdev_get_drvinfo(struct net_device *dev,
1043			       struct ethtool_drvinfo *info)
1044{
1045	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
1046	strlcpy(info->version, DRV_VERSION, sizeof(info->version));
1047	snprintf(info->bus_info, sizeof(info->bus_info),
1048		"PCMCIA 0x%lx", dev->base_addr);
1049}
1050
1051static const struct ethtool_ops netdev_ethtool_ops = {
1052	.get_drvinfo		= netdev_get_drvinfo,
1053};
1054
1055static int fjn_config(struct net_device *dev, struct ifmap *map){
1056    return 0;
1057}
1058
1059static int fjn_open(struct net_device *dev)
1060{
1061    struct local_info *lp = netdev_priv(dev);
1062    struct pcmcia_device *link = lp->p_dev;
1063
1064    pr_debug("fjn_open('%s').\n", dev->name);
1065
1066    if (!pcmcia_dev_present(link))
1067	return -ENODEV;
1068
1069    link->open++;
1070
1071    fjn_reset(dev);
1072
1073    lp->tx_started = 0;
1074    lp->tx_queue = 0;
1075    lp->tx_queue_len = 0;
1076    lp->open_time = jiffies;
1077    netif_start_queue(dev);
1078
1079    return 0;
1080} /* fjn_open */
1081
1082/*====================================================================*/
1083
1084static int fjn_close(struct net_device *dev)
1085{
1086    struct local_info *lp = netdev_priv(dev);
1087    struct pcmcia_device *link = lp->p_dev;
1088    unsigned int ioaddr = dev->base_addr;
1089
1090    pr_debug("fjn_close('%s').\n", dev->name);
1091
1092    lp->open_time = 0;
1093    netif_stop_queue(dev);
1094
1095    /* Set configuration register 0 to disable Tx and Rx. */
1096    if( sram_config == 0 )
1097	outb(CONFIG0_RST ,ioaddr + CONFIG_0);
1098    else
1099	outb(CONFIG0_RST_1 ,ioaddr + CONFIG_0);
1100
1101    /* Update the statistics -- ToDo. */
1102
1103    /* Power-down the chip.  Green, green, green! */
1104    outb(CHIP_OFF ,ioaddr + CONFIG_1);
1105
1106    /* Set the ethernet adaptor disable IRQ */
1107    if (lp->cardtype == MBH10302)
1108	outb(INTR_OFF, ioaddr + LAN_CTRL);
1109
1110    link->open--;
1111
1112    return 0;
1113} /* fjn_close */
1114
1115/*====================================================================*/
1116
1117/*
1118  Set the multicast/promiscuous mode for this adaptor.
1119*/
1120
1121static void set_rx_mode(struct net_device *dev)
1122{
1123    unsigned int ioaddr = dev->base_addr;
1124    u_char mc_filter[8];		 /* Multicast hash filter */
1125    u_long flags;
1126    int i;
1127
1128    int saved_bank;
1129    int saved_config_0 = inb(ioaddr + CONFIG_0);
1130
1131    local_irq_save(flags);
1132
1133    /* Disable Tx and Rx */
1134    if (sram_config == 0)
1135	outb(CONFIG0_RST, ioaddr + CONFIG_0);
1136    else
1137	outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
1138
1139    if (dev->flags & IFF_PROMISC) {
1140	memset(mc_filter, 0xff, sizeof(mc_filter));
1141	outb(3, ioaddr + RX_MODE);	/* Enable promiscuous mode */
1142    } else if (netdev_mc_count(dev) > MC_FILTERBREAK ||
1143	       (dev->flags & IFF_ALLMULTI)) {
1144	/* Too many to filter perfectly -- accept all multicasts. */
1145	memset(mc_filter, 0xff, sizeof(mc_filter));
1146	outb(2, ioaddr + RX_MODE);	/* Use normal mode. */
1147    } else if (netdev_mc_empty(dev)) {
1148	memset(mc_filter, 0x00, sizeof(mc_filter));
1149	outb(1, ioaddr + RX_MODE);	/* Ignore almost all multicasts. */
1150    } else {
1151	struct netdev_hw_addr *ha;
1152
1153	memset(mc_filter, 0, sizeof(mc_filter));
1154	netdev_for_each_mc_addr(ha, dev) {
1155	    unsigned int bit = ether_crc_le(ETH_ALEN, ha->addr) >> 26;
1156	    mc_filter[bit >> 3] |= (1 << (bit & 7));
1157	}
1158	outb(2, ioaddr + RX_MODE);	/* Use normal mode. */
1159    }
1160
1161    /* Switch to bank 1 and set the multicast table. */
1162    saved_bank = inb(ioaddr + CONFIG_1);
1163    outb(0xe4, ioaddr + CONFIG_1);
1164
1165    for (i = 0; i < 8; i++)
1166	outb(mc_filter[i], ioaddr + MAR_ADR + i);
1167    outb(saved_bank, ioaddr + CONFIG_1);
1168
1169    outb(saved_config_0, ioaddr + CONFIG_0);
1170
1171    local_irq_restore(flags);
1172}
1173