1 /*======================================================================
2 fmvj18x_cs.c 2.8 2002/03/23
4 A fmvj18x (and its compatibles) PCMCIA client driver
6 Contributed by Shingo Fujimoto, shingo@flab.fujitsu.co.jp
8 TDK LAK-CD021 and CONTEC C-NET(PC)C support added by
9 Nobuhiro Katayama, kata-n@po.iijnet.or.jp
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:
16 Written 1993-94 by Donald Becker.
18 Copyright 1993 United States Government as represented by the
19 Director, National Security Agency.
21 This software may be used and distributed according to the terms
22 of the GNU General Public License, incorporated herein by reference.
24 The author may be reached as becker@scyld.com, or C/O
25 Scyld Computing Corporation
26 410 Severn Ave., Suite 210
29 ======================================================================*/
31 #define DRV_NAME "fmvj18x_cs"
32 #define DRV_VERSION "2.9"
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>
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>
52 #include <pcmcia/cistpl.h>
53 #include <pcmcia/ciscode.h>
54 #include <pcmcia/ds.h>
56 #include <asm/uaccess.h>
58 #include <asm/system.h>
60 /*====================================================================*/
62 /* Module parameters */
64 MODULE_DESCRIPTION("fmvj18x and compatible PCMCIA ethernet driver");
65 MODULE_LICENSE("GPL");
67 #define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
69 /* SRAM configuration */
70 /* 0:4KB*2 TX buffer else:8KB*2 TX buffer */
71 INT_MODULE_PARM(sram_config, 0);
74 /*====================================================================*/
78 static int fmvj18x_config(struct pcmcia_device *link);
79 static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id);
80 static int fmvj18x_setup_mfc(struct pcmcia_device *link);
81 static void fmvj18x_release(struct pcmcia_device *link);
82 static void fmvj18x_detach(struct pcmcia_device *p_dev);
85 LAN controller(MBH86960A) specific routines
87 static int fjn_config(struct net_device *dev, struct ifmap *map);
88 static int fjn_open(struct net_device *dev);
89 static int fjn_close(struct net_device *dev);
90 static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
91 struct net_device *dev);
92 static irqreturn_t fjn_interrupt(int irq, void *dev_id);
93 static void fjn_rx(struct net_device *dev);
94 static void fjn_reset(struct net_device *dev);
95 static void set_rx_mode(struct net_device *dev);
96 static void fjn_tx_timeout(struct net_device *dev);
97 static const struct ethtool_ops netdev_ethtool_ops;
102 typedef enum { MBH10302, MBH10304, TDK, CONTEC, LA501, UNGERMANN,
107 driver specific data structure
109 typedef struct local_info_t {
110 struct pcmcia_device *p_dev;
114 u_short tx_queue_len;
117 u_char __iomem *base;
120 #define MC_FILTERBREAK 64
122 /*====================================================================*/
124 ioport offset from the base address
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 */
135 #define NODE_ID 8 /* node ID register (bank 0) */
136 #define MAR_ADR 8 /* multicast address registers (bank 1) */
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 */
145 #define LAN_CTRL 16 /* LAN card control register */
147 #define MAC_ID 0x1a /* hardware address */
148 #define UNGERMANN_MAC_ID 0x18 /* UNGERMANN-BASS hardware address */
153 #define ENA_TMT_OK 0x80
154 #define ENA_TMT_REC 0x20
156 #define ENA_16_COL 0x02
157 #define ENA_TBUS_ERR 0x01
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
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 */
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 */
182 #define F_BUF_EMP 0x40 /* receive buffer is empty */
184 #define F_SKP_PKT 0x05 /* drop packet in buffer */
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 )
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 */
215 #define TX_TIMEOUT ((400*HZ)/1000)
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) */
221 static const struct net_device_ops fjn_netdev_ops = {
222 .ndo_open = fjn_open,
223 .ndo_stop = fjn_close,
224 .ndo_start_xmit = fjn_start_xmit,
225 .ndo_tx_timeout = fjn_tx_timeout,
226 .ndo_set_config = fjn_config,
227 .ndo_set_multicast_list = set_rx_mode,
228 .ndo_change_mtu = eth_change_mtu,
229 .ndo_set_mac_address = eth_mac_addr,
230 .ndo_validate_addr = eth_validate_addr,
233 static int fmvj18x_probe(struct pcmcia_device *link)
236 struct net_device *dev;
238 dev_dbg(&link->dev, "fmvj18x_attach()\n");
240 /* Make up a FMVJ18x specific data structure */
241 dev = alloc_etherdev(sizeof(local_info_t));
244 lp = netdev_priv(dev);
249 /* The io structure describes IO port mapping */
250 link->resource[0]->end = 32;
251 link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
253 /* General socket configuration */
254 link->config_flags |= CONF_ENABLE_IRQ;
256 dev->netdev_ops = &fjn_netdev_ops;
257 dev->watchdog_timeo = TX_TIMEOUT;
259 SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
261 return fmvj18x_config(link);
262 } /* fmvj18x_attach */
264 /*====================================================================*/
266 static void fmvj18x_detach(struct pcmcia_device *link)
268 struct net_device *dev = link->priv;
270 dev_dbg(&link->dev, "fmvj18x_detach\n");
272 unregister_netdev(dev);
274 fmvj18x_release(link);
277 } /* fmvj18x_detach */
279 /*====================================================================*/
281 static int mfc_try_io_port(struct pcmcia_device *link)
284 static const unsigned int serial_base[5] =
285 { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
287 for (i = 0; i < 5; i++) {
288 link->resource[1]->start = serial_base[i];
289 link->resource[1]->flags |= IO_DATA_PATH_WIDTH_8;
290 if (link->resource[1]->start == 0) {
291 link->resource[1]->end = 0;
292 printk(KERN_NOTICE "fmvj18x_cs: out of resource for serial\n");
294 ret = pcmcia_request_io(link);
301 static int ungermann_try_io_port(struct pcmcia_device *link)
306 Ungermann-Bass Access/CARD accepts 0x300,0x320,0x340,0x360
307 0x380,0x3c0 only for ioport.
309 for (ioaddr = 0x300; ioaddr < 0x3e0; ioaddr += 0x20) {
310 link->resource[0]->start = ioaddr;
311 ret = pcmcia_request_io(link);
313 /* calculate ConfigIndex value */
315 ((link->resource[0]->start & 0x0f0) >> 3) | 0x22;
319 return ret; /* RequestIO failed */
322 static int fmvj18x_ioprobe(struct pcmcia_device *p_dev,
323 cistpl_cftable_entry_t *cfg,
324 cistpl_cftable_entry_t *dflt,
328 return 0; /* strange, but that's what the code did already before... */
331 static int fmvj18x_config(struct pcmcia_device *link)
333 struct net_device *dev = link->priv;
334 local_info_t *lp = netdev_priv(dev);
338 char *card_name = "unknown";
343 dev_dbg(&link->dev, "fmvj18x_config\n");
347 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
351 /* Yes, I have CISTPL_FUNCE. Let's check CISTPL_MANFID */
352 ret = pcmcia_loop_config(link, fmvj18x_ioprobe, NULL);
356 switch (link->manf_id) {
359 if (link->card_id == PRODID_TDK_GN3410 ||
360 link->card_id == PRODID_TDK_NP9610 ||
361 link->card_id == PRODID_TDK_MN3200) {
362 /* MultiFunction Card */
363 link->config_base = 0x800;
364 link->config_index = 0x47;
365 link->resource[1]->end = 8;
369 cardtype = NEC; /* MultiFunction Card */
370 link->config_base = 0x800;
371 link->config_index = 0x47;
372 link->resource[1]->end = 8;
375 cardtype = KME; /* MultiFunction Card */
376 link->config_base = 0x800;
377 link->config_index = 0x47;
378 link->resource[1]->end = 8;
384 if (link->config_base == 0x0fe0)
386 else if (link->card_id == PRODID_FUJITSU_MBH10302)
387 /* RATOC REX-5588/9822/4886's PRODID are 0004(=MBH10302),
388 but these are MBH10304 based card. */
390 else if (link->card_id == PRODID_FUJITSU_MBH10304)
400 switch (link->manf_id) {
402 if (link->card_id == PRODID_FUJITSU_MBH10304) {
403 cardtype = XXX10304; /* MBH10304 with buggy CIS */
404 link->config_index = 0x20;
406 cardtype = MBH10302; /* NextCom NC5310, etc. */
407 link->config_index = 1;
410 case MANFID_UNGERMANN:
411 cardtype = UNGERMANN;
415 link->config_index = 1;
419 if (link->resource[1]->end != 0) {
420 ret = mfc_try_io_port(link);
421 if (ret != 0) goto failed;
422 } else if (cardtype == UNGERMANN) {
423 ret = ungermann_try_io_port(link);
424 if (ret != 0) goto failed;
426 ret = pcmcia_request_io(link);
430 ret = pcmcia_request_irq(link, fjn_interrupt);
433 ret = pcmcia_enable_device(link);
437 dev->irq = link->irq;
438 dev->base_addr = link->resource[0]->start;
440 if (resource_size(link->resource[1]) != 0) {
441 ret = fmvj18x_setup_mfc(link);
442 if (ret != 0) goto failed;
445 ioaddr = dev->base_addr;
447 /* Reset controller */
448 if (sram_config == 0)
449 outb(CONFIG0_RST, ioaddr + CONFIG_0);
451 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
453 /* Power On chip and select bank 0 */
454 if (cardtype == MBH10302)
455 outb(BANK_0, ioaddr + CONFIG_1);
457 outb(BANK_0U, ioaddr + CONFIG_1);
459 /* Set hardware address */
467 if (cardtype == MBH10304) {
468 card_name = "FMV-J182";
470 len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
475 /* Read MACID from CIS */
476 for (i = 5; i < 11; i++)
477 dev->dev_addr[i] = buf[i];
480 if (pcmcia_get_mac_from_cis(link, dev))
482 if( cardtype == TDK ) {
483 card_name = "TDK LAK-CD021";
484 } else if( cardtype == LA501 ) {
486 } else if( cardtype == NEC ) {
487 card_name = "PK-UG-J001";
488 } else if( cardtype == KME ) {
489 card_name = "Panasonic";
491 card_name = "C-NET(PC)C";
496 /* Read MACID from register */
497 for (i = 0; i < 6; i++)
498 dev->dev_addr[i] = inb(ioaddr + UNGERMANN_MAC_ID + i);
499 card_name = "Access/CARD";
502 /* Read MACID from Buggy CIS */
503 if (fmvj18x_get_hwinfo(link, buggybuf) == -1) {
504 printk(KERN_NOTICE "fmvj18x_cs: unable to read hardware net address.\n");
507 for (i = 0 ; i < 6; i++) {
508 dev->dev_addr[i] = buggybuf[i];
510 card_name = "FMV-J182";
514 /* Read MACID from register */
515 for (i = 0; i < 6; i++)
516 dev->dev_addr[i] = inb(ioaddr + MAC_ID + i);
517 card_name = "FMV-J181";
521 lp->cardtype = cardtype;
522 SET_NETDEV_DEV(dev, &link->dev);
524 if (register_netdev(dev) != 0) {
525 printk(KERN_NOTICE "fmvj18x_cs: register_netdev() failed\n");
529 /* print current configuration */
530 printk(KERN_INFO "%s: %s, sram %s, port %#3lx, irq %d, "
532 dev->name, card_name, sram_config == 0 ? "4K TX*2" : "8K TX*2",
533 dev->base_addr, dev->irq, dev->dev_addr);
538 fmvj18x_release(link);
540 } /* fmvj18x_config */
541 /*====================================================================*/
543 static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id)
545 u_char __iomem *base;
548 /* Allocate a small memory window */
549 link->resource[2]->flags |= WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
550 link->resource[2]->start = 0; link->resource[2]->end = 0;
551 i = pcmcia_request_window(link, link->resource[2], 0);
555 base = ioremap(link->resource[2]->start, resource_size(link->resource[2]));
556 pcmcia_map_mem_page(link, link->resource[2], 0);
559 * MBH10304 CISTPL_FUNCE_LAN_NODE_ID format
560 * 22 0d xx xx xx 04 06 yy yy yy yy yy yy ff
562 * 'yy' is MAC address.
564 for (i = 0; i < 0x200; i++) {
565 if (readb(base+i*2) == 0x22) {
566 if (readb(base+(i-1)*2) == 0xff &&
567 readb(base+(i+5)*2) == 0x04 &&
568 readb(base+(i+6)*2) == 0x06 &&
569 readb(base+(i+13)*2) == 0xff)
575 for (j = 0 ; j < 6; j++,i++) {
576 node_id[j] = readb(base+(i+7)*2);
581 j = pcmcia_release_window(link, link->resource[2]);
582 return (i != 0x200) ? 0 : -1;
584 } /* fmvj18x_get_hwinfo */
585 /*====================================================================*/
587 static int fmvj18x_setup_mfc(struct pcmcia_device *link)
590 struct net_device *dev = link->priv;
592 local_info_t *lp = netdev_priv(dev);
594 /* Allocate a small memory window */
595 link->resource[3]->flags = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
596 link->resource[3]->start = link->resource[3]->end = 0;
597 i = pcmcia_request_window(link, link->resource[3], 0);
601 lp->base = ioremap(link->resource[3]->start,
602 resource_size(link->resource[3]));
603 if (lp->base == NULL) {
604 printk(KERN_NOTICE "fmvj18x_cs: ioremap failed\n");
608 i = pcmcia_map_mem_page(link, link->resource[3], 0);
615 ioaddr = dev->base_addr;
616 writeb(0x47, lp->base+0x800); /* Config Option Register of LAN */
617 writeb(0x0, lp->base+0x802); /* Config and Status Register */
619 writeb(ioaddr & 0xff, lp->base+0x80a); /* I/O Base(Low) of LAN */
620 writeb((ioaddr >> 8) & 0xff, lp->base+0x80c); /* I/O Base(High) of LAN */
622 writeb(0x45, lp->base+0x820); /* Config Option Register of Modem */
623 writeb(0x8, lp->base+0x822); /* Config and Status Register */
628 /*====================================================================*/
630 static void fmvj18x_release(struct pcmcia_device *link)
633 struct net_device *dev = link->priv;
634 local_info_t *lp = netdev_priv(dev);
637 dev_dbg(&link->dev, "fmvj18x_release\n");
639 if (lp->base != NULL) {
641 lp->base = NULL; /* set NULL before iounmap */
645 pcmcia_disable_device(link);
649 static int fmvj18x_suspend(struct pcmcia_device *link)
651 struct net_device *dev = link->priv;
654 netif_device_detach(dev);
659 static int fmvj18x_resume(struct pcmcia_device *link)
661 struct net_device *dev = link->priv;
665 netif_device_attach(dev);
671 /*====================================================================*/
673 static struct pcmcia_device_id fmvj18x_ids[] = {
674 PCMCIA_DEVICE_MANF_CARD(0x0004, 0x0004),
675 PCMCIA_DEVICE_PROD_ID12("EAGLE Technology", "NE200 ETHERNET LAN MBH10302 04", 0x528c88c4, 0x74f91e59),
676 PCMCIA_DEVICE_PROD_ID12("Eiger Labs,Inc", "EPX-10BT PC Card Ethernet 10BT", 0x53af556e, 0x877f9922),
677 PCMCIA_DEVICE_PROD_ID12("Eiger labs,Inc.", "EPX-10BT PC Card Ethernet 10BT", 0xf47e6c66, 0x877f9922),
678 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "LAN Card(FMV-J182)", 0x6ee5a3d8, 0x5baf31db),
679 PCMCIA_DEVICE_PROD_ID12("FUJITSU", "MBH10308", 0x6ee5a3d8, 0x3f04875e),
680 PCMCIA_DEVICE_PROD_ID12("FUJITSU TOWA", "LA501", 0xb8451188, 0x12939ba2),
681 PCMCIA_DEVICE_PROD_ID12("HITACHI", "HT-4840-11", 0xf4f43949, 0x773910f4),
682 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310B Ver1.0 ", 0x8cef4d3a, 0x075fc7b6),
683 PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310 Ver1.0 ", 0x8cef4d3a, 0xbccf43e6),
684 PCMCIA_DEVICE_PROD_ID12("RATOC System Inc.", "10BASE_T CARD R280", 0x85c10e17, 0xd9413666),
685 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CD02x", 0x1eae9475, 0x8fa0ee70),
686 PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CF010", 0x1eae9475, 0x7683bc9a),
687 PCMCIA_DEVICE_PROD_ID1("CONTEC Co.,Ltd.", 0x58d8fee2),
688 PCMCIA_DEVICE_PROD_ID1("PCMCIA LAN MBH10304 ES", 0x2599f454),
689 PCMCIA_DEVICE_PROD_ID1("PCMCIA MBH10302", 0x8f4005da),
690 PCMCIA_DEVICE_PROD_ID1("UBKK,V2.0", 0x90888080),
691 PCMCIA_PFC_DEVICE_PROD_ID12(0, "TDK", "GlobalNetworker 3410/3412", 0x1eae9475, 0xd9a93bed),
692 PCMCIA_PFC_DEVICE_PROD_ID12(0, "NEC", "PK-UG-J001" ,0x18df0ba0 ,0x831b1064),
693 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0d0a),
694 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0e0a),
695 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0e01),
696 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0a05),
697 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x1101),
700 MODULE_DEVICE_TABLE(pcmcia, fmvj18x_ids);
702 static struct pcmcia_driver fmvj18x_cs_driver = {
703 .owner = THIS_MODULE,
705 .name = "fmvj18x_cs",
707 .probe = fmvj18x_probe,
708 .remove = fmvj18x_detach,
709 .id_table = fmvj18x_ids,
710 .suspend = fmvj18x_suspend,
711 .resume = fmvj18x_resume,
714 static int __init init_fmvj18x_cs(void)
716 return pcmcia_register_driver(&fmvj18x_cs_driver);
719 static void __exit exit_fmvj18x_cs(void)
721 pcmcia_unregister_driver(&fmvj18x_cs_driver);
724 module_init(init_fmvj18x_cs);
725 module_exit(exit_fmvj18x_cs);
727 /*====================================================================*/
729 static irqreturn_t fjn_interrupt(int dummy, void *dev_id)
731 struct net_device *dev = dev_id;
732 local_info_t *lp = netdev_priv(dev);
734 unsigned short tx_stat, rx_stat;
736 ioaddr = dev->base_addr;
738 /* avoid multiple interrupts */
739 outw(0x0000, ioaddr + TX_INTR);
741 /* wait for a while */
745 tx_stat = inb(ioaddr + TX_STATUS);
746 rx_stat = inb(ioaddr + RX_STATUS);
749 outb(tx_stat, ioaddr + TX_STATUS);
750 outb(rx_stat, ioaddr + RX_STATUS);
752 pr_debug("%s: interrupt, rx_status %02x.\n", dev->name, rx_stat);
753 pr_debug(" tx_status %02x.\n", tx_stat);
755 if (rx_stat || (inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
756 /* there is packet(s) in rx buffer */
759 if (tx_stat & F_TMT_RDY) {
760 dev->stats.tx_packets += lp->sent ;
763 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
764 lp->sent = lp->tx_queue ;
766 lp->tx_queue_len = 0;
767 dev->trans_start = jiffies;
771 netif_wake_queue(dev);
773 pr_debug("%s: exiting interrupt,\n", dev->name);
774 pr_debug(" tx_status %02x, rx_status %02x.\n", tx_stat, rx_stat);
776 outb(D_TX_INTR, ioaddr + TX_INTR);
777 outb(D_RX_INTR, ioaddr + RX_INTR);
779 if (lp->base != NULL) {
780 /* Ack interrupt for multifunction card */
781 writeb(0x01, lp->base+0x802);
782 writeb(0x09, lp->base+0x822);
787 } /* fjn_interrupt */
789 /*====================================================================*/
791 static void fjn_tx_timeout(struct net_device *dev)
793 struct local_info_t *lp = netdev_priv(dev);
794 unsigned int ioaddr = dev->base_addr;
796 printk(KERN_NOTICE "%s: transmit timed out with status %04x, %s?\n",
797 dev->name, htons(inw(ioaddr + TX_STATUS)),
798 inb(ioaddr + TX_STATUS) & F_TMT_RDY
799 ? "IRQ conflict" : "network cable problem");
800 printk(KERN_NOTICE "%s: timeout registers: %04x %04x %04x "
801 "%04x %04x %04x %04x %04x.\n",
802 dev->name, htons(inw(ioaddr + 0)),
803 htons(inw(ioaddr + 2)), htons(inw(ioaddr + 4)),
804 htons(inw(ioaddr + 6)), htons(inw(ioaddr + 8)),
805 htons(inw(ioaddr +10)), htons(inw(ioaddr +12)),
806 htons(inw(ioaddr +14)));
807 dev->stats.tx_errors++;
808 /* ToDo: We should try to restart the adaptor... */
814 lp->tx_queue_len = 0;
816 lp->open_time = jiffies;
818 netif_wake_queue(dev);
821 static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
822 struct net_device *dev)
824 struct local_info_t *lp = netdev_priv(dev);
825 unsigned int ioaddr = dev->base_addr;
826 short length = skb->len;
828 if (length < ETH_ZLEN)
830 if (skb_padto(skb, ETH_ZLEN))
835 netif_stop_queue(dev);
838 unsigned char *buf = skb->data;
840 if (length > ETH_FRAME_LEN) {
841 printk(KERN_NOTICE "%s: Attempting to send a large packet"
842 " (%d bytes).\n", dev->name, length);
843 return NETDEV_TX_BUSY;
846 pr_debug("%s: Transmitting a packet of length %lu.\n",
847 dev->name, (unsigned long)skb->len);
848 dev->stats.tx_bytes += skb->len;
850 /* Disable both interrupts. */
851 outw(0x0000, ioaddr + TX_INTR);
853 /* wait for a while */
856 outw(length, ioaddr + DATAPORT);
857 outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1);
860 lp->tx_queue_len += ((length+3) & ~1);
862 if (lp->tx_started == 0) {
863 /* If the Tx is idle, always trigger a transmit. */
864 outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
865 lp->sent = lp->tx_queue ;
867 lp->tx_queue_len = 0;
869 netif_start_queue(dev);
871 if( sram_config == 0 ) {
872 if (lp->tx_queue_len < (4096 - (ETH_FRAME_LEN +2)) )
873 /* Yes, there is room for one more packet. */
874 netif_start_queue(dev);
876 if (lp->tx_queue_len < (8192 - (ETH_FRAME_LEN +2)) &&
878 /* Yes, there is room for one more packet. */
879 netif_start_queue(dev);
883 /* Re-enable interrupts */
884 outb(D_TX_INTR, ioaddr + TX_INTR);
885 outb(D_RX_INTR, ioaddr + RX_INTR);
890 } /* fjn_start_xmit */
892 /*====================================================================*/
894 static void fjn_reset(struct net_device *dev)
896 struct local_info_t *lp = netdev_priv(dev);
897 unsigned int ioaddr = dev->base_addr;
900 pr_debug("fjn_reset(%s) called.\n",dev->name);
902 /* Reset controller */
903 if( sram_config == 0 )
904 outb(CONFIG0_RST, ioaddr + CONFIG_0);
906 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
908 /* Power On chip and select bank 0 */
909 if (lp->cardtype == MBH10302)
910 outb(BANK_0, ioaddr + CONFIG_1);
912 outb(BANK_0U, ioaddr + CONFIG_1);
915 outb(D_TX_MODE, ioaddr + TX_MODE);
917 outb(ID_MATCHED, ioaddr + RX_MODE);
919 /* Set hardware address */
920 for (i = 0; i < 6; i++)
921 outb(dev->dev_addr[i], ioaddr + NODE_ID + i);
923 /* (re)initialize the multicast table */
926 /* Switch to bank 2 (runtime mode) */
927 if (lp->cardtype == MBH10302)
928 outb(BANK_2, ioaddr + CONFIG_1);
930 outb(BANK_2U, ioaddr + CONFIG_1);
932 /* set 16col ctrl bits */
933 if( lp->cardtype == TDK || lp->cardtype == CONTEC)
934 outb(TDK_AUTO_MODE, ioaddr + COL_CTRL);
936 outb(AUTO_MODE, ioaddr + COL_CTRL);
938 /* clear Reserved Regs */
939 outb(0x00, ioaddr + BMPR12);
940 outb(0x00, ioaddr + BMPR13);
942 /* reset Skip packet reg. */
943 outb(0x01, ioaddr + RX_SKIP);
945 /* Enable Tx and Rx */
946 if( sram_config == 0 )
947 outb(CONFIG0_DFL, ioaddr + CONFIG_0);
949 outb(CONFIG0_DFL_1, ioaddr + CONFIG_0);
951 /* Init receive pointer ? */
952 inw(ioaddr + DATAPORT);
953 inw(ioaddr + DATAPORT);
955 /* Clear all status */
956 outb(0xff, ioaddr + TX_STATUS);
957 outb(0xff, ioaddr + RX_STATUS);
959 if (lp->cardtype == MBH10302)
960 outb(INTR_OFF, ioaddr + LAN_CTRL);
962 /* Turn on Rx interrupts */
963 outb(D_TX_INTR, ioaddr + TX_INTR);
964 outb(D_RX_INTR, ioaddr + RX_INTR);
966 /* Turn on interrupts from LAN card controller */
967 if (lp->cardtype == MBH10302)
968 outb(INTR_ON, ioaddr + LAN_CTRL);
971 /*====================================================================*/
973 static void fjn_rx(struct net_device *dev)
975 unsigned int ioaddr = dev->base_addr;
976 int boguscount = 10; /* 5 -> 10: by agy 19940922 */
978 pr_debug("%s: in rx_packet(), rx_status %02x.\n",
979 dev->name, inb(ioaddr + RX_STATUS));
981 while ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
982 u_short status = inw(ioaddr + DATAPORT);
984 pr_debug("%s: Rxing packet mode %02x status %04x.\n",
985 dev->name, inb(ioaddr + RX_MODE), status);
986 #ifndef final_version
988 outb(F_SKP_PKT, ioaddr + RX_SKIP);
992 if ((status & 0xF0) != 0x20) { /* There was an error. */
993 dev->stats.rx_errors++;
994 if (status & F_LEN_ERR) dev->stats.rx_length_errors++;
995 if (status & F_ALG_ERR) dev->stats.rx_frame_errors++;
996 if (status & F_CRC_ERR) dev->stats.rx_crc_errors++;
997 if (status & F_OVR_FLO) dev->stats.rx_over_errors++;
999 u_short pkt_len = inw(ioaddr + DATAPORT);
1000 /* Malloc up new buffer. */
1001 struct sk_buff *skb;
1003 if (pkt_len > 1550) {
1004 printk(KERN_NOTICE "%s: The FMV-18x claimed a very "
1005 "large packet, size %d.\n", dev->name, pkt_len);
1006 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1007 dev->stats.rx_errors++;
1010 skb = dev_alloc_skb(pkt_len+2);
1012 printk(KERN_NOTICE "%s: Memory squeeze, dropping "
1013 "packet (len %d).\n", dev->name, pkt_len);
1014 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1015 dev->stats.rx_dropped++;
1019 skb_reserve(skb, 2);
1020 insw(ioaddr + DATAPORT, skb_put(skb, pkt_len),
1021 (pkt_len + 1) >> 1);
1022 skb->protocol = eth_type_trans(skb, dev);
1026 pr_debug("%s: Rxed packet of length %d: ",
1027 dev->name, pkt_len);
1028 for (i = 0; i < 14; i++)
1029 pr_debug(" %02x", skb->data[i]);
1034 dev->stats.rx_packets++;
1035 dev->stats.rx_bytes += pkt_len;
1037 if (--boguscount <= 0)
1041 /* If any worth-while packets have been received, dev_rint()
1042 has done a netif_wake_queue() for us and will work on them
1043 when we get to the bottom-half routine. */
1045 if (lp->cardtype != TDK) {
1047 for (i = 0; i < 20; i++) {
1048 if ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == F_BUF_EMP)
1050 (void)inw(ioaddr + DATAPORT); /+ dummy status read +/
1051 outb(F_SKP_PKT, ioaddr + RX_SKIP);
1055 pr_debug("%s: Exint Rx packet with mode %02x after "
1056 "%d ticks.\n", dev->name, inb(ioaddr + RX_MODE), i);
1061 /*====================================================================*/
1063 static void netdev_get_drvinfo(struct net_device *dev,
1064 struct ethtool_drvinfo *info)
1066 strcpy(info->driver, DRV_NAME);
1067 strcpy(info->version, DRV_VERSION);
1068 sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr);
1071 static const struct ethtool_ops netdev_ethtool_ops = {
1072 .get_drvinfo = netdev_get_drvinfo,
1075 static int fjn_config(struct net_device *dev, struct ifmap *map){
1079 static int fjn_open(struct net_device *dev)
1081 struct local_info_t *lp = netdev_priv(dev);
1082 struct pcmcia_device *link = lp->p_dev;
1084 pr_debug("fjn_open('%s').\n", dev->name);
1086 if (!pcmcia_dev_present(link))
1095 lp->tx_queue_len = 0;
1096 lp->open_time = jiffies;
1097 netif_start_queue(dev);
1102 /*====================================================================*/
1104 static int fjn_close(struct net_device *dev)
1106 struct local_info_t *lp = netdev_priv(dev);
1107 struct pcmcia_device *link = lp->p_dev;
1108 unsigned int ioaddr = dev->base_addr;
1110 pr_debug("fjn_close('%s').\n", dev->name);
1113 netif_stop_queue(dev);
1115 /* Set configuration register 0 to disable Tx and Rx. */
1116 if( sram_config == 0 )
1117 outb(CONFIG0_RST ,ioaddr + CONFIG_0);
1119 outb(CONFIG0_RST_1 ,ioaddr + CONFIG_0);
1121 /* Update the statistics -- ToDo. */
1123 /* Power-down the chip. Green, green, green! */
1124 outb(CHIP_OFF ,ioaddr + CONFIG_1);
1126 /* Set the ethernet adaptor disable IRQ */
1127 if (lp->cardtype == MBH10302)
1128 outb(INTR_OFF, ioaddr + LAN_CTRL);
1135 /*====================================================================*/
1138 Set the multicast/promiscuous mode for this adaptor.
1141 static void set_rx_mode(struct net_device *dev)
1143 unsigned int ioaddr = dev->base_addr;
1144 u_char mc_filter[8]; /* Multicast hash filter */
1149 int saved_config_0 = inb(ioaddr + CONFIG_0);
1151 local_irq_save(flags);
1153 /* Disable Tx and Rx */
1154 if (sram_config == 0)
1155 outb(CONFIG0_RST, ioaddr + CONFIG_0);
1157 outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
1159 if (dev->flags & IFF_PROMISC) {
1160 memset(mc_filter, 0xff, sizeof(mc_filter));
1161 outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */
1162 } else if (netdev_mc_count(dev) > MC_FILTERBREAK ||
1163 (dev->flags & IFF_ALLMULTI)) {
1164 /* Too many to filter perfectly -- accept all multicasts. */
1165 memset(mc_filter, 0xff, sizeof(mc_filter));
1166 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1167 } else if (netdev_mc_empty(dev)) {
1168 memset(mc_filter, 0x00, sizeof(mc_filter));
1169 outb(1, ioaddr + RX_MODE); /* Ignore almost all multicasts. */
1171 struct netdev_hw_addr *ha;
1173 memset(mc_filter, 0, sizeof(mc_filter));
1174 netdev_for_each_mc_addr(ha, dev) {
1175 unsigned int bit = ether_crc_le(ETH_ALEN, ha->addr) >> 26;
1176 mc_filter[bit >> 3] |= (1 << (bit & 7));
1178 outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1181 /* Switch to bank 1 and set the multicast table. */
1182 saved_bank = inb(ioaddr + CONFIG_1);
1183 outb(0xe4, ioaddr + CONFIG_1);
1185 for (i = 0; i < 8; i++)
1186 outb(mc_filter[i], ioaddr + MAR_ADR + i);
1187 outb(saved_bank, ioaddr + CONFIG_1);
1189 outb(saved_config_0, ioaddr + CONFIG_0);
1191 local_irq_restore(flags);