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 pr_fmt(fmt) KBUILD_MODNAME ": " fmt
33
#define DRV_NAME "fmvj18x_cs"
34
#define DRV_VERSION "2.9"
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>
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>
54
#include <pcmcia/cistpl.h>
55
#include <pcmcia/ciscode.h>
56
#include <pcmcia/ds.h>
58
#include <asm/uaccess.h>
60
#include <asm/system.h>
62
/*====================================================================*/
64
/* Module parameters */
66
MODULE_DESCRIPTION("fmvj18x and compatible PCMCIA ethernet driver");
67
MODULE_LICENSE("GPL");
69
#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
71
/* SRAM configuration */
72
/* 0:4KB*2 TX buffer else:8KB*2 TX buffer */
73
INT_MODULE_PARM(sram_config, 0);
76
/*====================================================================*/
80
static int fmvj18x_config(struct pcmcia_device *link);
81
static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id);
82
static int fmvj18x_setup_mfc(struct pcmcia_device *link);
83
static void fmvj18x_release(struct pcmcia_device *link);
84
static void fmvj18x_detach(struct pcmcia_device *p_dev);
87
LAN controller(MBH86960A) specific routines
89
static int fjn_config(struct net_device *dev, struct ifmap *map);
90
static int fjn_open(struct net_device *dev);
91
static int fjn_close(struct net_device *dev);
92
static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
93
struct net_device *dev);
94
static irqreturn_t fjn_interrupt(int irq, void *dev_id);
95
static void fjn_rx(struct net_device *dev);
96
static void fjn_reset(struct net_device *dev);
97
static void set_rx_mode(struct net_device *dev);
98
static void fjn_tx_timeout(struct net_device *dev);
99
static const struct ethtool_ops netdev_ethtool_ops;
104
typedef enum { MBH10302, MBH10304, TDK, CONTEC, LA501, UNGERMANN,
109
driver specific data structure
111
typedef struct local_info_t {
112
struct pcmcia_device *p_dev;
116
u_short tx_queue_len;
119
u_char __iomem *base;
122
#define MC_FILTERBREAK 64
124
/*====================================================================*/
126
ioport offset from the base address
128
#define TX_STATUS 0 /* transmit status register */
129
#define RX_STATUS 1 /* receive status register */
130
#define TX_INTR 2 /* transmit interrupt mask register */
131
#define RX_INTR 3 /* receive interrupt mask register */
132
#define TX_MODE 4 /* transmit mode register */
133
#define RX_MODE 5 /* receive mode register */
134
#define CONFIG_0 6 /* configuration register 0 */
135
#define CONFIG_1 7 /* configuration register 1 */
137
#define NODE_ID 8 /* node ID register (bank 0) */
138
#define MAR_ADR 8 /* multicast address registers (bank 1) */
140
#define DATAPORT 8 /* buffer mem port registers (bank 2) */
141
#define TX_START 10 /* transmit start register */
142
#define COL_CTRL 11 /* 16 collision control register */
143
#define BMPR12 12 /* reserved */
144
#define BMPR13 13 /* reserved */
145
#define RX_SKIP 14 /* skip received packet register */
147
#define LAN_CTRL 16 /* LAN card control register */
149
#define MAC_ID 0x1a /* hardware address */
150
#define UNGERMANN_MAC_ID 0x18 /* UNGERMANN-BASS hardware address */
155
#define ENA_TMT_OK 0x80
156
#define ENA_TMT_REC 0x20
158
#define ENA_16_COL 0x02
159
#define ENA_TBUS_ERR 0x01
161
#define ENA_PKT_RDY 0x80
162
#define ENA_BUS_ERR 0x40
163
#define ENA_LEN_ERR 0x08
164
#define ENA_ALG_ERR 0x04
165
#define ENA_CRC_ERR 0x02
166
#define ENA_OVR_FLO 0x01
169
#define F_TMT_RDY 0x80 /* can accept new packet */
170
#define F_NET_BSY 0x40 /* carrier is detected */
171
#define F_TMT_OK 0x20 /* send packet successfully */
172
#define F_SRT_PKT 0x10 /* short packet error */
173
#define F_COL_ERR 0x04 /* collision error */
174
#define F_16_COL 0x02 /* 16 collision error */
175
#define F_TBUS_ERR 0x01 /* bus read error */
177
#define F_PKT_RDY 0x80 /* packet(s) in buffer */
178
#define F_BUS_ERR 0x40 /* bus read error */
179
#define F_LEN_ERR 0x08 /* short packet */
180
#define F_ALG_ERR 0x04 /* frame error */
181
#define F_CRC_ERR 0x02 /* CRC error */
182
#define F_OVR_FLO 0x01 /* overflow error */
184
#define F_BUF_EMP 0x40 /* receive buffer is empty */
186
#define F_SKP_PKT 0x05 /* drop packet in buffer */
188
/* default bitmaps */
189
#define D_TX_INTR ( ENA_TMT_OK )
190
#define D_RX_INTR ( ENA_PKT_RDY | ENA_LEN_ERR \
191
| ENA_ALG_ERR | ENA_CRC_ERR | ENA_OVR_FLO )
192
#define TX_STAT_M ( F_TMT_RDY )
193
#define RX_STAT_M ( F_PKT_RDY | F_LEN_ERR \
194
| F_ALG_ERR | F_CRC_ERR | F_OVR_FLO )
197
#define D_TX_MODE 0x06 /* no tests, detect carrier */
198
#define ID_MATCHED 0x02 /* (RX_MODE) */
199
#define RECV_ALL 0x03 /* (RX_MODE) */
200
#define CONFIG0_DFL 0x5a /* 16bit bus, 4K x 2 Tx queues */
201
#define CONFIG0_DFL_1 0x5e /* 16bit bus, 8K x 2 Tx queues */
202
#define CONFIG0_RST 0xda /* Data Link Controller off (CONFIG_0) */
203
#define CONFIG0_RST_1 0xde /* Data Link Controller off (CONFIG_0) */
204
#define BANK_0 0xa0 /* bank 0 (CONFIG_1) */
205
#define BANK_1 0xa4 /* bank 1 (CONFIG_1) */
206
#define BANK_2 0xa8 /* bank 2 (CONFIG_1) */
207
#define CHIP_OFF 0x80 /* contrl chip power off (CONFIG_1) */
208
#define DO_TX 0x80 /* do transmit packet */
209
#define SEND_PKT 0x81 /* send a packet */
210
#define AUTO_MODE 0x07 /* Auto skip packet on 16 col detected */
211
#define MANU_MODE 0x03 /* Stop and skip packet on 16 col */
212
#define TDK_AUTO_MODE 0x47 /* Auto skip packet on 16 col detected */
213
#define TDK_MANU_MODE 0x43 /* Stop and skip packet on 16 col */
214
#define INTR_OFF 0x0d /* LAN controller ignores interrupts */
215
#define INTR_ON 0x1d /* LAN controller will catch interrupts */
217
#define TX_TIMEOUT ((400*HZ)/1000)
219
#define BANK_0U 0x20 /* bank 0 (CONFIG_1) */
220
#define BANK_1U 0x24 /* bank 1 (CONFIG_1) */
221
#define BANK_2U 0x28 /* bank 2 (CONFIG_1) */
223
static const struct net_device_ops fjn_netdev_ops = {
224
.ndo_open = fjn_open,
225
.ndo_stop = fjn_close,
226
.ndo_start_xmit = fjn_start_xmit,
227
.ndo_tx_timeout = fjn_tx_timeout,
228
.ndo_set_config = fjn_config,
229
.ndo_set_multicast_list = set_rx_mode,
230
.ndo_change_mtu = eth_change_mtu,
231
.ndo_set_mac_address = eth_mac_addr,
232
.ndo_validate_addr = eth_validate_addr,
235
static int fmvj18x_probe(struct pcmcia_device *link)
238
struct net_device *dev;
240
dev_dbg(&link->dev, "fmvj18x_attach()\n");
242
/* Make up a FMVJ18x specific data structure */
243
dev = alloc_etherdev(sizeof(local_info_t));
246
lp = netdev_priv(dev);
251
/* The io structure describes IO port mapping */
252
link->resource[0]->end = 32;
253
link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
255
/* General socket configuration */
256
link->config_flags |= CONF_ENABLE_IRQ;
258
dev->netdev_ops = &fjn_netdev_ops;
259
dev->watchdog_timeo = TX_TIMEOUT;
261
SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops);
263
return fmvj18x_config(link);
264
} /* fmvj18x_attach */
266
/*====================================================================*/
268
static void fmvj18x_detach(struct pcmcia_device *link)
270
struct net_device *dev = link->priv;
272
dev_dbg(&link->dev, "fmvj18x_detach\n");
274
unregister_netdev(dev);
276
fmvj18x_release(link);
279
} /* fmvj18x_detach */
281
/*====================================================================*/
283
static int mfc_try_io_port(struct pcmcia_device *link)
286
static const unsigned int serial_base[5] =
287
{ 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
289
for (i = 0; i < 5; i++) {
290
link->resource[1]->start = serial_base[i];
291
link->resource[1]->flags |= IO_DATA_PATH_WIDTH_8;
292
if (link->resource[1]->start == 0) {
293
link->resource[1]->end = 0;
294
pr_notice("out of resource for serial\n");
296
ret = pcmcia_request_io(link);
303
static int ungermann_try_io_port(struct pcmcia_device *link)
308
Ungermann-Bass Access/CARD accepts 0x300,0x320,0x340,0x360
309
0x380,0x3c0 only for ioport.
311
for (ioaddr = 0x300; ioaddr < 0x3e0; ioaddr += 0x20) {
312
link->resource[0]->start = ioaddr;
313
ret = pcmcia_request_io(link);
315
/* calculate ConfigIndex value */
317
((link->resource[0]->start & 0x0f0) >> 3) | 0x22;
321
return ret; /* RequestIO failed */
324
static int fmvj18x_ioprobe(struct pcmcia_device *p_dev, void *priv_data)
326
return 0; /* strange, but that's what the code did already before... */
329
static int fmvj18x_config(struct pcmcia_device *link)
331
struct net_device *dev = link->priv;
332
local_info_t *lp = netdev_priv(dev);
336
char *card_name = "unknown";
341
dev_dbg(&link->dev, "fmvj18x_config\n");
345
len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
349
/* Yes, I have CISTPL_FUNCE. Let's check CISTPL_MANFID */
350
ret = pcmcia_loop_config(link, fmvj18x_ioprobe, NULL);
354
switch (link->manf_id) {
357
if (link->card_id == PRODID_TDK_GN3410 ||
358
link->card_id == PRODID_TDK_NP9610 ||
359
link->card_id == PRODID_TDK_MN3200) {
360
/* MultiFunction Card */
361
link->config_base = 0x800;
362
link->config_index = 0x47;
363
link->resource[1]->end = 8;
367
cardtype = NEC; /* MultiFunction Card */
368
link->config_base = 0x800;
369
link->config_index = 0x47;
370
link->resource[1]->end = 8;
373
cardtype = KME; /* MultiFunction Card */
374
link->config_base = 0x800;
375
link->config_index = 0x47;
376
link->resource[1]->end = 8;
382
if (link->config_base == 0x0fe0)
384
else if (link->card_id == PRODID_FUJITSU_MBH10302)
385
/* RATOC REX-5588/9822/4886's PRODID are 0004(=MBH10302),
386
but these are MBH10304 based card. */
388
else if (link->card_id == PRODID_FUJITSU_MBH10304)
398
switch (link->manf_id) {
400
if (link->card_id == PRODID_FUJITSU_MBH10304) {
401
cardtype = XXX10304; /* MBH10304 with buggy CIS */
402
link->config_index = 0x20;
404
cardtype = MBH10302; /* NextCom NC5310, etc. */
405
link->config_index = 1;
408
case MANFID_UNGERMANN:
409
cardtype = UNGERMANN;
413
link->config_index = 1;
417
if (link->resource[1]->end != 0) {
418
ret = mfc_try_io_port(link);
419
if (ret != 0) goto failed;
420
} else if (cardtype == UNGERMANN) {
421
ret = ungermann_try_io_port(link);
422
if (ret != 0) goto failed;
424
ret = pcmcia_request_io(link);
428
ret = pcmcia_request_irq(link, fjn_interrupt);
431
ret = pcmcia_enable_device(link);
435
dev->irq = link->irq;
436
dev->base_addr = link->resource[0]->start;
438
if (resource_size(link->resource[1]) != 0) {
439
ret = fmvj18x_setup_mfc(link);
440
if (ret != 0) goto failed;
443
ioaddr = dev->base_addr;
445
/* Reset controller */
446
if (sram_config == 0)
447
outb(CONFIG0_RST, ioaddr + CONFIG_0);
449
outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
451
/* Power On chip and select bank 0 */
452
if (cardtype == MBH10302)
453
outb(BANK_0, ioaddr + CONFIG_1);
455
outb(BANK_0U, ioaddr + CONFIG_1);
457
/* Set hardware address */
465
if (cardtype == MBH10304) {
466
card_name = "FMV-J182";
468
len = pcmcia_get_tuple(link, CISTPL_FUNCE, &buf);
473
/* Read MACID from CIS */
474
for (i = 5; i < 11; i++)
475
dev->dev_addr[i] = buf[i];
478
if (pcmcia_get_mac_from_cis(link, dev))
480
if( cardtype == TDK ) {
481
card_name = "TDK LAK-CD021";
482
} else if( cardtype == LA501 ) {
484
} else if( cardtype == NEC ) {
485
card_name = "PK-UG-J001";
486
} else if( cardtype == KME ) {
487
card_name = "Panasonic";
489
card_name = "C-NET(PC)C";
494
/* Read MACID from register */
495
for (i = 0; i < 6; i++)
496
dev->dev_addr[i] = inb(ioaddr + UNGERMANN_MAC_ID + i);
497
card_name = "Access/CARD";
500
/* Read MACID from Buggy CIS */
501
if (fmvj18x_get_hwinfo(link, buggybuf) == -1) {
502
pr_notice("unable to read hardware net address\n");
505
for (i = 0 ; i < 6; i++) {
506
dev->dev_addr[i] = buggybuf[i];
508
card_name = "FMV-J182";
512
/* Read MACID from register */
513
for (i = 0; i < 6; i++)
514
dev->dev_addr[i] = inb(ioaddr + MAC_ID + i);
515
card_name = "FMV-J181";
519
lp->cardtype = cardtype;
520
SET_NETDEV_DEV(dev, &link->dev);
522
if (register_netdev(dev) != 0) {
523
pr_notice("register_netdev() failed\n");
527
/* print current configuration */
528
netdev_info(dev, "%s, sram %s, port %#3lx, irq %d, hw_addr %pM\n",
529
card_name, sram_config == 0 ? "4K TX*2" : "8K TX*2",
530
dev->base_addr, dev->irq, dev->dev_addr);
535
fmvj18x_release(link);
537
} /* fmvj18x_config */
538
/*====================================================================*/
540
static int fmvj18x_get_hwinfo(struct pcmcia_device *link, u_char *node_id)
542
u_char __iomem *base;
545
/* Allocate a small memory window */
546
link->resource[2]->flags |= WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
547
link->resource[2]->start = 0; link->resource[2]->end = 0;
548
i = pcmcia_request_window(link, link->resource[2], 0);
552
base = ioremap(link->resource[2]->start, resource_size(link->resource[2]));
553
pcmcia_map_mem_page(link, link->resource[2], 0);
556
* MBH10304 CISTPL_FUNCE_LAN_NODE_ID format
557
* 22 0d xx xx xx 04 06 yy yy yy yy yy yy ff
559
* 'yy' is MAC address.
561
for (i = 0; i < 0x200; i++) {
562
if (readb(base+i*2) == 0x22) {
563
if (readb(base+(i-1)*2) == 0xff &&
564
readb(base+(i+5)*2) == 0x04 &&
565
readb(base+(i+6)*2) == 0x06 &&
566
readb(base+(i+13)*2) == 0xff)
572
for (j = 0 ; j < 6; j++,i++) {
573
node_id[j] = readb(base+(i+7)*2);
578
j = pcmcia_release_window(link, link->resource[2]);
579
return (i != 0x200) ? 0 : -1;
581
} /* fmvj18x_get_hwinfo */
582
/*====================================================================*/
584
static int fmvj18x_setup_mfc(struct pcmcia_device *link)
587
struct net_device *dev = link->priv;
589
local_info_t *lp = netdev_priv(dev);
591
/* Allocate a small memory window */
592
link->resource[3]->flags = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
593
link->resource[3]->start = link->resource[3]->end = 0;
594
i = pcmcia_request_window(link, link->resource[3], 0);
598
lp->base = ioremap(link->resource[3]->start,
599
resource_size(link->resource[3]));
600
if (lp->base == NULL) {
601
netdev_notice(dev, "ioremap failed\n");
605
i = pcmcia_map_mem_page(link, link->resource[3], 0);
612
ioaddr = dev->base_addr;
613
writeb(0x47, lp->base+0x800); /* Config Option Register of LAN */
614
writeb(0x0, lp->base+0x802); /* Config and Status Register */
616
writeb(ioaddr & 0xff, lp->base+0x80a); /* I/O Base(Low) of LAN */
617
writeb((ioaddr >> 8) & 0xff, lp->base+0x80c); /* I/O Base(High) of LAN */
619
writeb(0x45, lp->base+0x820); /* Config Option Register of Modem */
620
writeb(0x8, lp->base+0x822); /* Config and Status Register */
625
/*====================================================================*/
627
static void fmvj18x_release(struct pcmcia_device *link)
630
struct net_device *dev = link->priv;
631
local_info_t *lp = netdev_priv(dev);
634
dev_dbg(&link->dev, "fmvj18x_release\n");
636
if (lp->base != NULL) {
638
lp->base = NULL; /* set NULL before iounmap */
642
pcmcia_disable_device(link);
646
static int fmvj18x_suspend(struct pcmcia_device *link)
648
struct net_device *dev = link->priv;
651
netif_device_detach(dev);
656
static int fmvj18x_resume(struct pcmcia_device *link)
658
struct net_device *dev = link->priv;
662
netif_device_attach(dev);
668
/*====================================================================*/
670
static const struct pcmcia_device_id fmvj18x_ids[] = {
671
PCMCIA_DEVICE_MANF_CARD(0x0004, 0x0004),
672
PCMCIA_DEVICE_PROD_ID12("EAGLE Technology", "NE200 ETHERNET LAN MBH10302 04", 0x528c88c4, 0x74f91e59),
673
PCMCIA_DEVICE_PROD_ID12("Eiger Labs,Inc", "EPX-10BT PC Card Ethernet 10BT", 0x53af556e, 0x877f9922),
674
PCMCIA_DEVICE_PROD_ID12("Eiger labs,Inc.", "EPX-10BT PC Card Ethernet 10BT", 0xf47e6c66, 0x877f9922),
675
PCMCIA_DEVICE_PROD_ID12("FUJITSU", "LAN Card(FMV-J182)", 0x6ee5a3d8, 0x5baf31db),
676
PCMCIA_DEVICE_PROD_ID12("FUJITSU", "MBH10308", 0x6ee5a3d8, 0x3f04875e),
677
PCMCIA_DEVICE_PROD_ID12("FUJITSU TOWA", "LA501", 0xb8451188, 0x12939ba2),
678
PCMCIA_DEVICE_PROD_ID12("HITACHI", "HT-4840-11", 0xf4f43949, 0x773910f4),
679
PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310B Ver1.0 ", 0x8cef4d3a, 0x075fc7b6),
680
PCMCIA_DEVICE_PROD_ID12("NextComK.K.", "NC5310 Ver1.0 ", 0x8cef4d3a, 0xbccf43e6),
681
PCMCIA_DEVICE_PROD_ID12("RATOC System Inc.", "10BASE_T CARD R280", 0x85c10e17, 0xd9413666),
682
PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CD02x", 0x1eae9475, 0x8fa0ee70),
683
PCMCIA_DEVICE_PROD_ID12("TDK", "LAC-CF010", 0x1eae9475, 0x7683bc9a),
684
PCMCIA_DEVICE_PROD_ID1("CONTEC Co.,Ltd.", 0x58d8fee2),
685
PCMCIA_DEVICE_PROD_ID1("PCMCIA LAN MBH10304 ES", 0x2599f454),
686
PCMCIA_DEVICE_PROD_ID1("PCMCIA MBH10302", 0x8f4005da),
687
PCMCIA_DEVICE_PROD_ID1("UBKK,V2.0", 0x90888080),
688
PCMCIA_PFC_DEVICE_PROD_ID12(0, "TDK", "GlobalNetworker 3410/3412", 0x1eae9475, 0xd9a93bed),
689
PCMCIA_PFC_DEVICE_PROD_ID12(0, "NEC", "PK-UG-J001" ,0x18df0ba0 ,0x831b1064),
690
PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0d0a),
691
PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0e0a),
692
PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0e01),
693
PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0a05),
694
PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0b05),
695
PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x1101),
698
MODULE_DEVICE_TABLE(pcmcia, fmvj18x_ids);
700
static struct pcmcia_driver fmvj18x_cs_driver = {
701
.owner = THIS_MODULE,
702
.name = "fmvj18x_cs",
703
.probe = fmvj18x_probe,
704
.remove = fmvj18x_detach,
705
.id_table = fmvj18x_ids,
706
.suspend = fmvj18x_suspend,
707
.resume = fmvj18x_resume,
710
static int __init init_fmvj18x_cs(void)
712
return pcmcia_register_driver(&fmvj18x_cs_driver);
715
static void __exit exit_fmvj18x_cs(void)
717
pcmcia_unregister_driver(&fmvj18x_cs_driver);
720
module_init(init_fmvj18x_cs);
721
module_exit(exit_fmvj18x_cs);
723
/*====================================================================*/
725
static irqreturn_t fjn_interrupt(int dummy, void *dev_id)
727
struct net_device *dev = dev_id;
728
local_info_t *lp = netdev_priv(dev);
730
unsigned short tx_stat, rx_stat;
732
ioaddr = dev->base_addr;
734
/* avoid multiple interrupts */
735
outw(0x0000, ioaddr + TX_INTR);
737
/* wait for a while */
741
tx_stat = inb(ioaddr + TX_STATUS);
742
rx_stat = inb(ioaddr + RX_STATUS);
745
outb(tx_stat, ioaddr + TX_STATUS);
746
outb(rx_stat, ioaddr + RX_STATUS);
748
pr_debug("%s: interrupt, rx_status %02x.\n", dev->name, rx_stat);
749
pr_debug(" tx_status %02x.\n", tx_stat);
751
if (rx_stat || (inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
752
/* there is packet(s) in rx buffer */
755
if (tx_stat & F_TMT_RDY) {
756
dev->stats.tx_packets += lp->sent ;
759
outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
760
lp->sent = lp->tx_queue ;
762
lp->tx_queue_len = 0;
763
dev->trans_start = jiffies;
767
netif_wake_queue(dev);
769
pr_debug("%s: exiting interrupt,\n", dev->name);
770
pr_debug(" tx_status %02x, rx_status %02x.\n", tx_stat, rx_stat);
772
outb(D_TX_INTR, ioaddr + TX_INTR);
773
outb(D_RX_INTR, ioaddr + RX_INTR);
775
if (lp->base != NULL) {
776
/* Ack interrupt for multifunction card */
777
writeb(0x01, lp->base+0x802);
778
writeb(0x09, lp->base+0x822);
783
} /* fjn_interrupt */
785
/*====================================================================*/
787
static void fjn_tx_timeout(struct net_device *dev)
789
struct local_info_t *lp = netdev_priv(dev);
790
unsigned int ioaddr = dev->base_addr;
792
netdev_notice(dev, "transmit timed out with status %04x, %s?\n",
793
htons(inw(ioaddr + TX_STATUS)),
794
inb(ioaddr + TX_STATUS) & F_TMT_RDY
795
? "IRQ conflict" : "network cable problem");
796
netdev_notice(dev, "timeout registers: %04x %04x %04x "
797
"%04x %04x %04x %04x %04x.\n",
798
htons(inw(ioaddr + 0)), htons(inw(ioaddr + 2)),
799
htons(inw(ioaddr + 4)), htons(inw(ioaddr + 6)),
800
htons(inw(ioaddr + 8)), htons(inw(ioaddr + 10)),
801
htons(inw(ioaddr + 12)), htons(inw(ioaddr + 14)));
802
dev->stats.tx_errors++;
803
/* ToDo: We should try to restart the adaptor... */
809
lp->tx_queue_len = 0;
811
lp->open_time = jiffies;
813
netif_wake_queue(dev);
816
static netdev_tx_t fjn_start_xmit(struct sk_buff *skb,
817
struct net_device *dev)
819
struct local_info_t *lp = netdev_priv(dev);
820
unsigned int ioaddr = dev->base_addr;
821
short length = skb->len;
823
if (length < ETH_ZLEN)
825
if (skb_padto(skb, ETH_ZLEN))
830
netif_stop_queue(dev);
833
unsigned char *buf = skb->data;
835
if (length > ETH_FRAME_LEN) {
836
netdev_notice(dev, "Attempting to send a large packet (%d bytes)\n",
838
return NETDEV_TX_BUSY;
841
netdev_dbg(dev, "Transmitting a packet of length %lu\n",
842
(unsigned long)skb->len);
843
dev->stats.tx_bytes += skb->len;
845
/* Disable both interrupts. */
846
outw(0x0000, ioaddr + TX_INTR);
848
/* wait for a while */
851
outw(length, ioaddr + DATAPORT);
852
outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1);
855
lp->tx_queue_len += ((length+3) & ~1);
857
if (lp->tx_started == 0) {
858
/* If the Tx is idle, always trigger a transmit. */
859
outb(DO_TX | lp->tx_queue, ioaddr + TX_START);
860
lp->sent = lp->tx_queue ;
862
lp->tx_queue_len = 0;
864
netif_start_queue(dev);
866
if( sram_config == 0 ) {
867
if (lp->tx_queue_len < (4096 - (ETH_FRAME_LEN +2)) )
868
/* Yes, there is room for one more packet. */
869
netif_start_queue(dev);
871
if (lp->tx_queue_len < (8192 - (ETH_FRAME_LEN +2)) &&
873
/* Yes, there is room for one more packet. */
874
netif_start_queue(dev);
878
/* Re-enable interrupts */
879
outb(D_TX_INTR, ioaddr + TX_INTR);
880
outb(D_RX_INTR, ioaddr + RX_INTR);
885
} /* fjn_start_xmit */
887
/*====================================================================*/
889
static void fjn_reset(struct net_device *dev)
891
struct local_info_t *lp = netdev_priv(dev);
892
unsigned int ioaddr = dev->base_addr;
895
netdev_dbg(dev, "fjn_reset() called\n");
897
/* Reset controller */
898
if( sram_config == 0 )
899
outb(CONFIG0_RST, ioaddr + CONFIG_0);
901
outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
903
/* Power On chip and select bank 0 */
904
if (lp->cardtype == MBH10302)
905
outb(BANK_0, ioaddr + CONFIG_1);
907
outb(BANK_0U, ioaddr + CONFIG_1);
910
outb(D_TX_MODE, ioaddr + TX_MODE);
912
outb(ID_MATCHED, ioaddr + RX_MODE);
914
/* Set hardware address */
915
for (i = 0; i < 6; i++)
916
outb(dev->dev_addr[i], ioaddr + NODE_ID + i);
918
/* (re)initialize the multicast table */
921
/* Switch to bank 2 (runtime mode) */
922
if (lp->cardtype == MBH10302)
923
outb(BANK_2, ioaddr + CONFIG_1);
925
outb(BANK_2U, ioaddr + CONFIG_1);
927
/* set 16col ctrl bits */
928
if( lp->cardtype == TDK || lp->cardtype == CONTEC)
929
outb(TDK_AUTO_MODE, ioaddr + COL_CTRL);
931
outb(AUTO_MODE, ioaddr + COL_CTRL);
933
/* clear Reserved Regs */
934
outb(0x00, ioaddr + BMPR12);
935
outb(0x00, ioaddr + BMPR13);
937
/* reset Skip packet reg. */
938
outb(0x01, ioaddr + RX_SKIP);
940
/* Enable Tx and Rx */
941
if( sram_config == 0 )
942
outb(CONFIG0_DFL, ioaddr + CONFIG_0);
944
outb(CONFIG0_DFL_1, ioaddr + CONFIG_0);
946
/* Init receive pointer ? */
947
inw(ioaddr + DATAPORT);
948
inw(ioaddr + DATAPORT);
950
/* Clear all status */
951
outb(0xff, ioaddr + TX_STATUS);
952
outb(0xff, ioaddr + RX_STATUS);
954
if (lp->cardtype == MBH10302)
955
outb(INTR_OFF, ioaddr + LAN_CTRL);
957
/* Turn on Rx interrupts */
958
outb(D_TX_INTR, ioaddr + TX_INTR);
959
outb(D_RX_INTR, ioaddr + RX_INTR);
961
/* Turn on interrupts from LAN card controller */
962
if (lp->cardtype == MBH10302)
963
outb(INTR_ON, ioaddr + LAN_CTRL);
966
/*====================================================================*/
968
static void fjn_rx(struct net_device *dev)
970
unsigned int ioaddr = dev->base_addr;
971
int boguscount = 10; /* 5 -> 10: by agy 19940922 */
973
pr_debug("%s: in rx_packet(), rx_status %02x.\n",
974
dev->name, inb(ioaddr + RX_STATUS));
976
while ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == 0) {
977
u_short status = inw(ioaddr + DATAPORT);
979
netdev_dbg(dev, "Rxing packet mode %02x status %04x.\n",
980
inb(ioaddr + RX_MODE), status);
981
#ifndef final_version
983
outb(F_SKP_PKT, ioaddr + RX_SKIP);
987
if ((status & 0xF0) != 0x20) { /* There was an error. */
988
dev->stats.rx_errors++;
989
if (status & F_LEN_ERR) dev->stats.rx_length_errors++;
990
if (status & F_ALG_ERR) dev->stats.rx_frame_errors++;
991
if (status & F_CRC_ERR) dev->stats.rx_crc_errors++;
992
if (status & F_OVR_FLO) dev->stats.rx_over_errors++;
994
u_short pkt_len = inw(ioaddr + DATAPORT);
995
/* Malloc up new buffer. */
998
if (pkt_len > 1550) {
999
netdev_notice(dev, "The FMV-18x claimed a very large packet, size %d\n",
1001
outb(F_SKP_PKT, ioaddr + RX_SKIP);
1002
dev->stats.rx_errors++;
1005
skb = dev_alloc_skb(pkt_len+2);
1007
netdev_notice(dev, "Memory squeeze, dropping packet (len %d)\n",
1009
outb(F_SKP_PKT, ioaddr + RX_SKIP);
1010
dev->stats.rx_dropped++;
1014
skb_reserve(skb, 2);
1015
insw(ioaddr + DATAPORT, skb_put(skb, pkt_len),
1016
(pkt_len + 1) >> 1);
1017
skb->protocol = eth_type_trans(skb, dev);
1021
pr_debug("%s: Rxed packet of length %d: ",
1022
dev->name, pkt_len);
1023
for (i = 0; i < 14; i++)
1024
pr_debug(" %02x", skb->data[i]);
1029
dev->stats.rx_packets++;
1030
dev->stats.rx_bytes += pkt_len;
1032
if (--boguscount <= 0)
1036
/* If any worth-while packets have been received, dev_rint()
1037
has done a netif_wake_queue() for us and will work on them
1038
when we get to the bottom-half routine. */
1040
if (lp->cardtype != TDK) {
1042
for (i = 0; i < 20; i++) {
1043
if ((inb(ioaddr + RX_MODE) & F_BUF_EMP) == F_BUF_EMP)
1045
(void)inw(ioaddr + DATAPORT); /+ dummy status read +/
1046
outb(F_SKP_PKT, ioaddr + RX_SKIP);
1050
pr_debug("%s: Exint Rx packet with mode %02x after "
1051
"%d ticks.\n", dev->name, inb(ioaddr + RX_MODE), i);
1056
/*====================================================================*/
1058
static void netdev_get_drvinfo(struct net_device *dev,
1059
struct ethtool_drvinfo *info)
1061
strcpy(info->driver, DRV_NAME);
1062
strcpy(info->version, DRV_VERSION);
1063
sprintf(info->bus_info, "PCMCIA 0x%lx", dev->base_addr);
1066
static const struct ethtool_ops netdev_ethtool_ops = {
1067
.get_drvinfo = netdev_get_drvinfo,
1070
static int fjn_config(struct net_device *dev, struct ifmap *map){
1074
static int fjn_open(struct net_device *dev)
1076
struct local_info_t *lp = netdev_priv(dev);
1077
struct pcmcia_device *link = lp->p_dev;
1079
pr_debug("fjn_open('%s').\n", dev->name);
1081
if (!pcmcia_dev_present(link))
1090
lp->tx_queue_len = 0;
1091
lp->open_time = jiffies;
1092
netif_start_queue(dev);
1097
/*====================================================================*/
1099
static int fjn_close(struct net_device *dev)
1101
struct local_info_t *lp = netdev_priv(dev);
1102
struct pcmcia_device *link = lp->p_dev;
1103
unsigned int ioaddr = dev->base_addr;
1105
pr_debug("fjn_close('%s').\n", dev->name);
1108
netif_stop_queue(dev);
1110
/* Set configuration register 0 to disable Tx and Rx. */
1111
if( sram_config == 0 )
1112
outb(CONFIG0_RST ,ioaddr + CONFIG_0);
1114
outb(CONFIG0_RST_1 ,ioaddr + CONFIG_0);
1116
/* Update the statistics -- ToDo. */
1118
/* Power-down the chip. Green, green, green! */
1119
outb(CHIP_OFF ,ioaddr + CONFIG_1);
1121
/* Set the ethernet adaptor disable IRQ */
1122
if (lp->cardtype == MBH10302)
1123
outb(INTR_OFF, ioaddr + LAN_CTRL);
1130
/*====================================================================*/
1133
Set the multicast/promiscuous mode for this adaptor.
1136
static void set_rx_mode(struct net_device *dev)
1138
unsigned int ioaddr = dev->base_addr;
1139
u_char mc_filter[8]; /* Multicast hash filter */
1144
int saved_config_0 = inb(ioaddr + CONFIG_0);
1146
local_irq_save(flags);
1148
/* Disable Tx and Rx */
1149
if (sram_config == 0)
1150
outb(CONFIG0_RST, ioaddr + CONFIG_0);
1152
outb(CONFIG0_RST_1, ioaddr + CONFIG_0);
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. */
1166
struct netdev_hw_addr *ha;
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));
1173
outb(2, ioaddr + RX_MODE); /* Use normal mode. */
1176
/* Switch to bank 1 and set the multicast table. */
1177
saved_bank = inb(ioaddr + CONFIG_1);
1178
outb(0xe4, ioaddr + CONFIG_1);
1180
for (i = 0; i < 8; i++)
1181
outb(mc_filter[i], ioaddr + MAR_ADR + i);
1182
outb(saved_bank, ioaddr + CONFIG_1);
1184
outb(saved_config_0, ioaddr + CONFIG_0);
1186
local_irq_restore(flags);