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1.1 root 1: /* fmv18x.c: A network device driver for the Fujitsu FMV-181/182/183/184.
2:
3: Original: at1700.c (1993-94 by Donald Becker).
4: Copyright 1993 United States Government as represented by the
5: Director, National Security Agency.
6: The author may be reached as [email protected], or C/O
7: Center of Excellence in Space Data and Information Sciences
8: Code 930.5, Goddard Space Flight Center, Greenbelt MD 20771
9:
10: Modified by Yutaka TAMIYA ([email protected])
11: Copyright 1994 Fujitsu Laboratories Ltd.
12: Special thanks to:
13: Masayoshi UTAKA ([email protected])
14: for testing this driver.
15: H. NEGISHI (agy, [email protected])
16: for suggestion of some program modification.
17: Masahiro SEKIGUCHI <[email protected]>
18: for suggestion of some program modification.
19: Kazutoshi MORIOKA ([email protected])
20: for testing this driver.
21:
22: This software may be used and distributed according to the terms
23: of the GNU Public License, incorporated herein by reference.
24:
25: This is a device driver for the Fujitsu FMV-181/182/183/184, which
26: is a straight-forward Fujitsu MB86965 implementation.
27:
28: Sources:
29: at1700.c
30: The Fujitsu MB86965 datasheet.
31: The Fujitsu FMV-181/182 user's guide
32: */
33:
34: static const char *version =
35: "fmv18x.c:v1.3.71e 03/04/96 Yutaka TAMIYA ([email protected])\n";
36:
37: #include <linux/module.h>
38:
39: #include <linux/kernel.h>
40: #include <linux/sched.h>
41: #include <linux/types.h>
42: #include <linux/fcntl.h>
43: #include <linux/interrupt.h>
44: #include <linux/ptrace.h>
45: #include <linux/ioport.h>
46: #include <linux/in.h>
47: #include <linux/malloc.h>
48: #include <linux/string.h>
49: #include <asm/system.h>
50: #include <asm/bitops.h>
51: #include <asm/io.h>
52: #include <asm/dma.h>
53: #include <linux/errno.h>
54:
55: #include <linux/netdevice.h>
56: #include <linux/etherdevice.h>
57: #include <linux/skbuff.h>
58: #include <linux/delay.h>
59:
60: static int fmv18x_probe_list[] =
61: {0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x300, 0x340, 0};
62:
63: /* use 0 for production, 1 for verification, >2 for debug */
64: #ifndef NET_DEBUG
65: #define NET_DEBUG 1
66: #endif
67: static unsigned int net_debug = NET_DEBUG;
68:
69: typedef unsigned char uchar;
70:
71: /* Information that need to be kept for each board. */
72: struct net_local {
73: struct enet_statistics stats;
74: long open_time; /* Useless example local info. */
75: uint tx_started:1; /* Number of packet on the Tx queue. */
76: uchar tx_queue; /* Number of packet on the Tx queue. */
77: ushort tx_queue_len; /* Current length of the Tx queue. */
78: };
79:
80:
81: /* Offsets from the base address. */
82: #define STATUS 0
83: #define TX_STATUS 0
84: #define RX_STATUS 1
85: #define TX_INTR 2 /* Bit-mapped interrupt enable registers. */
86: #define RX_INTR 3
87: #define TX_MODE 4
88: #define RX_MODE 5
89: #define CONFIG_0 6 /* Misc. configuration settings. */
90: #define CONFIG_1 7
91: /* Run-time register bank 2 definitions. */
92: #define DATAPORT 8 /* Word-wide DMA or programmed-I/O dataport. */
93: #define TX_START 10
94: #define COL16CNTL 11
95: #define MODE13 13
96: /* Fujitsu FMV-18x Card Configuration */
97: #define FJ_STATUS0 0x10
98: #define FJ_STATUS1 0x11
99: #define FJ_CONFIG0 0x12
100: #define FJ_CONFIG1 0x13
101: #define FJ_MACADDR 0x14 /* 0x14 - 0x19 */
102: #define FJ_BUFCNTL 0x1A
103: #define FJ_BUFDATA 0x1C
104: #define FMV18X_IO_EXTENT 32
105:
106: /* Index to functions, as function prototypes. */
107:
108: extern int fmv18x_probe(struct device *dev);
109:
110: static int fmv18x_probe1(struct device *dev, short ioaddr);
111: static int net_open(struct device *dev);
112: static int net_send_packet(struct sk_buff *skb, struct device *dev);
113: static void net_interrupt(int irq, void *dev_id, struct pt_regs *regs);
114: static void net_rx(struct device *dev);
115: static int net_close(struct device *dev);
116: static struct enet_statistics *net_get_stats(struct device *dev);
117: static void set_multicast_list(struct device *dev);
118:
119:
120: /* Check for a network adaptor of this type, and return '0' iff one exists.
121: If dev->base_addr == 0, probe all likely locations.
122: If dev->base_addr == 1, always return failure.
123: If dev->base_addr == 2, allocate space for the device and return success
124: (detachable devices only).
125: */
126: #ifdef HAVE_DEVLIST
127: /* Support for a alternate probe manager, which will eliminate the
128: boilerplate below. */
129: struct netdev_entry fmv18x_drv =
130: {"fmv18x", fmv18x_probe1, FMV18X_IO_EXTENT, fmv18x_probe_list};
131: #else
132: int
133: fmv18x_probe(struct device *dev)
134: {
135: int i;
136: int base_addr = dev ? dev->base_addr : 0;
137:
138: if (base_addr > 0x1ff) /* Check a single specified location. */
139: return fmv18x_probe1(dev, base_addr);
140: else if (base_addr != 0) /* Don't probe at all. */
141: return ENXIO;
142:
143: for (i = 0; fmv18x_probe_list[i]; i++) {
144: int ioaddr = fmv18x_probe_list[i];
145: if (check_region(ioaddr, FMV18X_IO_EXTENT))
146: continue;
147: if (fmv18x_probe1(dev, ioaddr) == 0)
148: return 0;
149: }
150:
151: return ENODEV;
152: }
153: #endif
154:
155: /* The Fujitsu datasheet suggests that the NIC be probed for by checking its
156: "signature", the default bit pattern after a reset. This *doesn't* work --
157: there is no way to reset the bus interface without a complete power-cycle!
158:
159: It turns out that ATI came to the same conclusion I did: the only thing
160: that can be done is checking a few bits and then diving right into MAC
161: address check. */
162:
163: int fmv18x_probe1(struct device *dev, short ioaddr)
164: {
165: char irqmap[4] = {3, 7, 10, 15};
166: unsigned int i, irq;
167:
168: /* Resetting the chip doesn't reset the ISA interface, so don't bother.
169: That means we have to be careful with the register values we probe for.
170: */
171:
172: /* Check I/O address configuration and Fujitsu vendor code */
173: if (fmv18x_probe_list[inb(ioaddr + FJ_CONFIG0) & 0x07] != ioaddr
174: || inb(ioaddr+FJ_MACADDR ) != 0x00
175: || inb(ioaddr+FJ_MACADDR+1) != 0x00
176: || inb(ioaddr+FJ_MACADDR+2) != 0x0e)
177: return -ENODEV;
178:
179: irq = irqmap[(inb(ioaddr + FJ_CONFIG0)>>6) & 0x03];
180:
181: /* Snarf the interrupt vector now. */
182: if (request_irq(irq, &net_interrupt, 0, "fmv18x", NULL)) {
183: printk ("FMV-18x found at %#3x, but it's unusable due to a conflict on"
184: "IRQ %d.\n", ioaddr, irq);
185: return EAGAIN;
186: }
187:
188: /* Allocate a new 'dev' if needed. */
189: if (dev == NULL)
190: dev = init_etherdev(0, sizeof(struct net_local));
191:
192: /* Grab the region so that we can find another board if the IRQ request
193: fails. */
194: request_region(ioaddr, FMV18X_IO_EXTENT, "fmv18x");
195:
196: printk("%s: FMV-18x found at %#3x, IRQ %d, address ", dev->name,
197: ioaddr, irq);
198:
199: dev->base_addr = ioaddr;
200: dev->irq = irq;
201: irq2dev_map[irq] = dev;
202:
203: for(i = 0; i < 6; i++) {
204: unsigned char val = inb(ioaddr + FJ_MACADDR + i);
205: printk("%02x", val);
206: dev->dev_addr[i] = val;
207: }
208:
209: /* "FJ_STATUS0" 12 bit 0x0400 means use regular 100 ohm 10baseT signals,
210: rather than 150 ohm shielded twisted pair compensation.
211: 0x0000 == auto-sense the interface
212: 0x0800 == use TP interface
213: 0x1800 == use coax interface
214: */
215: {
216: const char *porttype[] = {"auto-sense", "10baseT", "auto-sense", "10base2/5"};
217: ushort setup_value = inb(ioaddr + FJ_STATUS0);
218:
219: switch( setup_value & 0x07 ){
220: case 0x01 /* 10base5 */:
221: case 0x02 /* 10base2 */: dev->if_port = 0x18; break;
222: case 0x04 /* 10baseT */: dev->if_port = 0x08; break;
223: default /* auto-sense*/: dev->if_port = 0x00; break;
224: }
225: printk(" %s interface.\n", porttype[(dev->if_port>>3) & 3]);
226: }
227:
228: /* Initialize LAN Controller and LAN Card */
229: outb(0xda, ioaddr + CONFIG_0); /* Initialize LAN Controller */
230: outb(0x00, ioaddr + CONFIG_1); /* Stand by mode */
231: outb(0x00, ioaddr + FJ_CONFIG1); /* Disable IRQ of LAN Card */
232: outb(0x00, ioaddr + FJ_BUFCNTL); /* Reset ? I'm not sure (TAMIYA) */
233:
234: /* wait for a while */
235: udelay(200);
236:
237: /* Set the station address in bank zero. */
238: outb(0x00, ioaddr + CONFIG_1);
239: for (i = 0; i < 6; i++)
240: outb(dev->dev_addr[i], ioaddr + 8 + i);
241:
242: /* Switch to bank 1 and set the multicast table to accept none. */
243: outb(0x04, ioaddr + CONFIG_1);
244: for (i = 0; i < 8; i++)
245: outb(0x00, ioaddr + 8 + i);
246:
247: /* Switch to bank 2 and lock our I/O address. */
248: outb(0x08, ioaddr + CONFIG_1);
249: outb(dev->if_port, ioaddr + MODE13);
250:
251: if (net_debug)
1.1.1.2 ! root 252: printk("%s", version);
1.1 root 253:
254: /* Initialize the device structure. */
255: dev->priv = kmalloc(sizeof(struct net_local), GFP_KERNEL);
256: if (dev->priv == NULL)
257: return -ENOMEM;
258: memset(dev->priv, 0, sizeof(struct net_local));
259:
260: dev->open = net_open;
261: dev->stop = net_close;
262: dev->hard_start_xmit = net_send_packet;
263: dev->get_stats = net_get_stats;
264: dev->set_multicast_list = &set_multicast_list;
265:
266: /* Fill in the fields of 'dev' with ethernet-generic values. */
267:
268: ether_setup(dev);
269: return 0;
270: }
271:
272:
273: static int net_open(struct device *dev)
274: {
275: struct net_local *lp = (struct net_local *)dev->priv;
276: int ioaddr = dev->base_addr;
277:
278: /* Set the configuration register 0 to 32K 100ns. byte-wide memory,
279: 16 bit bus access, and two 4K Tx, enable the Rx and Tx. */
280: outb(0x5a, ioaddr + CONFIG_0);
281:
282: /* Powerup and switch to register bank 2 for the run-time registers. */
283: outb(0xe8, ioaddr + CONFIG_1);
284:
285: lp->tx_started = 0;
286: lp->tx_queue = 0;
287: lp->tx_queue_len = 0;
288:
289: /* Clear Tx and Rx Status */
290: outb(0xff, ioaddr + TX_STATUS);
291: outb(0xff, ioaddr + RX_STATUS);
292: lp->open_time = jiffies;
293:
294: dev->tbusy = 0;
295: dev->interrupt = 0;
296: dev->start = 1;
297:
298: /* Enable the IRQ of the LAN Card */
299: outb(0x80, ioaddr + FJ_CONFIG1);
300:
301: /* Enable both Tx and Rx interrupts */
302: outw(0x8182, ioaddr+TX_INTR);
303:
304: MOD_INC_USE_COUNT;
305:
306: return 0;
307: }
308:
309: static int
310: net_send_packet(struct sk_buff *skb, struct device *dev)
311: {
312: struct net_local *lp = (struct net_local *)dev->priv;
313: int ioaddr = dev->base_addr;
314:
315: if (dev->tbusy) {
316: /* If we get here, some higher level has decided we are broken.
317: There should really be a "kick me" function call instead. */
318: int tickssofar = jiffies - dev->trans_start;
319: if (tickssofar < 10)
320: return 1;
321: printk("%s: transmit timed out with status %04x, %s?\n", dev->name,
322: htons(inw(ioaddr + TX_STATUS)),
323: inb(ioaddr + TX_STATUS) & 0x80
324: ? "IRQ conflict" : "network cable problem");
325: printk("%s: timeout registers: %04x %04x %04x %04x %04x %04x %04x %04x.\n",
326: dev->name, htons(inw(ioaddr + 0)),
327: htons(inw(ioaddr + 2)), htons(inw(ioaddr + 4)),
328: htons(inw(ioaddr + 6)), htons(inw(ioaddr + 8)),
329: htons(inw(ioaddr +10)), htons(inw(ioaddr +12)),
330: htons(inw(ioaddr +14)));
331: printk("eth card: %04x %04x\n",
332: htons(inw(ioaddr+FJ_STATUS0)),
333: htons(inw(ioaddr+FJ_CONFIG0)));
334: lp->stats.tx_errors++;
335: /* ToDo: We should try to restart the adaptor... */
336: cli();
337:
338: /* Initialize LAN Controller and LAN Card */
339: outb(0xda, ioaddr + CONFIG_0); /* Initialize LAN Controller */
340: outb(0x00, ioaddr + CONFIG_1); /* Stand by mode */
341: outb(0x00, ioaddr + FJ_CONFIG1); /* Disable IRQ of LAN Card */
342: outb(0x00, ioaddr + FJ_BUFCNTL); /* Reset ? I'm not sure */
343: net_open(dev);
344:
345: sti();
346: }
347:
348: /* If some higher layer thinks we've missed an tx-done interrupt
349: we are passed NULL. Caution: dev_tint() handles the cli()/sti()
350: itself. */
351: if (skb == NULL) {
352: dev_tint(dev);
353: return 0;
354: }
355:
356: /* Block a timer-based transmit from overlapping. This could better be
357: done with atomic_swap(1, dev->tbusy), but set_bit() works as well. */
358: if (set_bit(0, (void*)&dev->tbusy) != 0)
359: printk("%s: Transmitter access conflict.\n", dev->name);
360: else {
361: short length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
362: unsigned char *buf = skb->data;
363:
364: if (length > ETH_FRAME_LEN) {
365: if (net_debug)
366: printk("%s: Attempting to send a large packet (%d bytes).\n",
367: dev->name, length);
368: return 1;
369: }
370:
371: if (net_debug > 4)
372: printk("%s: Transmitting a packet of length %lu.\n", dev->name,
373: (unsigned long)skb->len);
374:
375: /* Disable both interrupts. */
376: outw(0x0000, ioaddr + TX_INTR);
377:
378: outw(length, ioaddr + DATAPORT);
379: outsw(ioaddr + DATAPORT, buf, (length + 1) >> 1);
380:
381: lp->tx_queue++;
382: lp->tx_queue_len += length + 2;
383:
384: if (lp->tx_started == 0) {
385: /* If the Tx is idle, always trigger a transmit. */
386: outb(0x80 | lp->tx_queue, ioaddr + TX_START);
387: lp->tx_queue = 0;
388: lp->tx_queue_len = 0;
389: dev->trans_start = jiffies;
390: lp->tx_started = 1;
391: dev->tbusy = 0;
392: } else if (lp->tx_queue_len < 4096 - 1502)
393: /* Yes, there is room for one more packet. */
394: dev->tbusy = 0;
395:
396: /* Re-enable interrupts */
397: outw(0x8182, ioaddr + TX_INTR);
398: }
399: dev_kfree_skb (skb, FREE_WRITE);
400:
401: return 0;
402: }
403:
404: /* The typical workload of the driver:
405: Handle the network interface interrupts. */
406: static void
407: net_interrupt(int irq, void *dev_id, struct pt_regs *regs)
408: {
409: struct device *dev = (struct device *)(irq2dev_map[irq]);
410: struct net_local *lp;
411: int ioaddr, status;
412:
413: if (dev == NULL) {
414: printk ("fmv18x_interrupt(): irq %d for unknown device.\n", irq);
415: return;
416: }
417: dev->interrupt = 1;
418:
419: ioaddr = dev->base_addr;
420: lp = (struct net_local *)dev->priv;
421:
422: /* Avoid multiple interrupts. */
423: outw(0x0000, ioaddr + TX_INTR);
424:
425: status = inw(ioaddr + TX_STATUS);
426: outw(status, ioaddr + TX_STATUS);
427:
428: if (net_debug > 4)
429: printk("%s: Interrupt with status %04x.\n", dev->name, status);
430: if (status & 0xff00
431: || (inb(ioaddr + RX_MODE) & 0x40) == 0) { /* Got a packet(s). */
432: net_rx(dev);
433: }
434: if (status & 0x00ff) {
435: if (status & 0x80) {
436: lp->stats.tx_packets++;
437: if (lp->tx_queue) {
438: outb(0x80 | lp->tx_queue, ioaddr + TX_START);
439: lp->tx_queue = 0;
440: lp->tx_queue_len = 0;
441: dev->trans_start = jiffies;
442: dev->tbusy = 0;
443: mark_bh(NET_BH); /* Inform upper layers. */
444: } else {
445: lp->tx_started = 0;
446: dev->tbusy = 0;
447: mark_bh(NET_BH); /* Inform upper layers. */
448: }
449: }
450: if (status & 0x02 ) {
451: if (net_debug > 4)
452: printk("%s: 16 Collision occur during Txing.\n", dev->name);
453: /* Retry to send the packet */
454: outb(0x02, ioaddr + COL16CNTL);
455: }
456: }
457:
458: dev->interrupt = 0;
459: outw(0x8182, ioaddr + TX_INTR);
460: return;
461: }
462:
463: /* We have a good packet(s), get it/them out of the buffers. */
464: static void
465: net_rx(struct device *dev)
466: {
467: struct net_local *lp = (struct net_local *)dev->priv;
468: int ioaddr = dev->base_addr;
469: int boguscount = 10; /* 5 -> 10: by agy 19940922 */
470:
471: while ((inb(ioaddr + RX_MODE) & 0x40) == 0) {
472: /* Clear PKT_RDY bit: by agy 19940922 */
473: /* outb(0x80, ioaddr + RX_STATUS); */
474: ushort status = inw(ioaddr + DATAPORT);
475:
476: if (net_debug > 4)
477: printk("%s: Rxing packet mode %02x status %04x.\n",
478: dev->name, inb(ioaddr + RX_MODE), status);
479: #ifndef final_version
480: if (status == 0) {
481: outb(0x05, ioaddr + 14);
482: break;
483: }
484: #endif
485:
486: if ((status & 0xF0) != 0x20) { /* There was an error. */
487: lp->stats.rx_errors++;
488: if (status & 0x08) lp->stats.rx_length_errors++;
489: if (status & 0x04) lp->stats.rx_frame_errors++;
490: if (status & 0x02) lp->stats.rx_crc_errors++;
491: if (status & 0x01) lp->stats.rx_over_errors++;
492: } else {
493: ushort pkt_len = inw(ioaddr + DATAPORT);
494: /* Malloc up new buffer. */
495: struct sk_buff *skb;
496:
497: if (pkt_len > 1550) {
498: printk("%s: The FMV-18x claimed a very large packet, size %d.\n",
499: dev->name, pkt_len);
500: outb(0x05, ioaddr + 14);
501: lp->stats.rx_errors++;
502: break;
503: }
504: skb = dev_alloc_skb(pkt_len+3);
505: if (skb == NULL) {
506: printk("%s: Memory squeeze, dropping packet (len %d).\n",
507: dev->name, pkt_len);
508: outb(0x05, ioaddr + 14);
509: lp->stats.rx_dropped++;
510: break;
511: }
512: skb->dev = dev;
513: skb_reserve(skb,2);
514:
515: insw(ioaddr + DATAPORT, skb_put(skb,pkt_len), (pkt_len + 1) >> 1);
516:
517: if (net_debug > 5) {
518: int i;
519: printk("%s: Rxed packet of length %d: ", dev->name, pkt_len);
520: for (i = 0; i < 14; i++)
521: printk(" %02x", skb->data[i]);
522: printk(".\n");
523: }
524:
525: skb->protocol=eth_type_trans(skb, dev);
526: netif_rx(skb);
527: lp->stats.rx_packets++;
528: }
529: if (--boguscount <= 0)
530: break;
531: }
532:
533: /* If any worth-while packets have been received, dev_rint()
534: has done a mark_bh(NET_BH) for us and will work on them
535: when we get to the bottom-half routine. */
536: {
537: int i;
538: for (i = 0; i < 20; i++) {
539: if ((inb(ioaddr + RX_MODE) & 0x40) == 0x40)
540: break;
541: (void)inw(ioaddr + DATAPORT); /* dummy status read */
542: outb(0x05, ioaddr + 14);
543: }
544:
545: if (net_debug > 5 && i > 0)
546: printk("%s: Exint Rx packet with mode %02x after %d ticks.\n",
547: dev->name, inb(ioaddr + RX_MODE), i);
548: }
549:
550: return;
551: }
552:
553: /* The inverse routine to net_open(). */
554: static int net_close(struct device *dev)
555: {
556: int ioaddr = dev->base_addr;
557:
558: ((struct net_local *)dev->priv)->open_time = 0;
559:
560: dev->tbusy = 1;
561: dev->start = 0;
562:
563: /* Set configuration register 0 to disable Tx and Rx. */
564: outb(0xda, ioaddr + CONFIG_0);
565:
566: /* Update the statistics -- ToDo. */
567:
568: /* Power-down the chip. Green, green, green! */
569: outb(0x00, ioaddr + CONFIG_1);
570:
571: MOD_DEC_USE_COUNT;
572:
573: /* Set the ethernet adaptor disable IRQ */
574: outb(0x00, ioaddr + FJ_CONFIG1);
575:
576: return 0;
577: }
578:
579: /* Get the current statistics. This may be called with the card open or
580: closed. */
581: static struct enet_statistics *
582: net_get_stats(struct device *dev)
583: {
584: struct net_local *lp = (struct net_local *)dev->priv;
585:
586: cli();
587: /* ToDo: Update the statistics from the device registers. */
588: sti();
589:
590: return &lp->stats;
591: }
592:
593: /* Set or clear the multicast filter for this adaptor.
594: num_addrs == -1 Promiscuous mode, receive all packets
595: num_addrs == 0 Normal mode, clear multicast list
596: num_addrs > 0 Multicast mode, receive normal and MC packets, and do
597: best-effort filtering.
598: */
599: static void
600: set_multicast_list(struct device *dev)
601: {
602: short ioaddr = dev->base_addr;
603: if (dev->mc_count || dev->flags&(IFF_PROMISC|IFF_ALLMULTI))
604: {
605: /*
606: * We must make the kernel realise we had to move
607: * into promisc mode or we start all out war on
608: * the cable. - AC
609: */
610: dev->flags|=IFF_PROMISC;
611:
612: outb(3, ioaddr + RX_MODE); /* Enable promiscuous mode */
613: }
614: else
615: outb(2, ioaddr + RX_MODE); /* Disable promiscuous, use normal mode */
616: }
617:
618: #ifdef MODULE
619: static char devicename[9] = { 0, };
620: static struct device dev_fmv18x = {
621: devicename, /* device name is inserted by linux/drivers/net/net_init.c */
622: 0, 0, 0, 0,
623: 0, 0,
624: 0, 0, 0, NULL, fmv18x_probe };
625:
626: static int io = 0x220;
627: static int irq = 0;
628:
629: int init_module(void)
630: {
631: if (io == 0)
632: printk("fmv18x: You should not use auto-probing with insmod!\n");
633: dev_fmv18x.base_addr = io;
634: dev_fmv18x.irq = irq;
635: if (register_netdev(&dev_fmv18x) != 0) {
636: printk("fmv18x: register_netdev() returned non-zero.\n");
637: return -EIO;
638: }
639: return 0;
640: }
641:
642: void
643: cleanup_module(void)
644: {
645: unregister_netdev(&dev_fmv18x);
646: kfree(dev_fmv18x.priv);
647: dev_fmv18x.priv = NULL;
648:
649: /* If we don't do this, we can't re-insmod it later. */
650: free_irq(dev_fmv18x.irq, NULL);
651: irq2dev_map[dev_fmv18x.irq] = NULL;
652: release_region(dev_fmv18x.base_addr, FMV18X_IO_EXTENT);
653: }
654: #endif /* MODULE */
655:
656: /*
657: * Local variables:
658: * compile-command: "gcc -D__KERNEL__ -I/usr/src/linux/net/inet -Wall -Wstrict-prototypes -O6 -m486 -c fmv18x.c"
659: * version-control: t
660: * kept-new-versions: 5
661: * tab-width: 4
662: * c-indent-level: 4
663: * End:
664: */
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