1 /* ne2k-pci.c: A NE2000 clone on PCI bus driver for Linux. */
3 A Linux device driver for PCI NE2000 clones.
5 Authors and other copyright holders:
6 1992-2000 by Donald Becker, NE2000 core and various modifications.
7 1995-1998 by Paul Gortmaker, core modifications and PCI support.
8 Copyright 1993 assigned to the United States Government as represented
9 by the Director, National Security Agency.
11 This software may be used and distributed according to the terms of
12 the GNU General Public License (GPL), incorporated herein by reference.
13 Drivers based on or derived from this code fall under the GPL and must
14 retain the authorship, copyright and license notice. This file is not
15 a complete program and may only be used when the entire operating
16 system is licensed under the GPL.
18 The author may be reached as becker@scyld.com, or C/O
19 Scyld Computing Corporation
20 410 Severn Ave., Suite 210
24 People are making PCI ne2000 clones! Oh the horror, the horror...
25 Limited full-duplex support.
28 #define DRV_NAME "ne2k-pci"
29 #define DRV_VERSION "1.03"
30 #define DRV_RELDATE "9/22/2003"
33 /* The user-configurable values.
34 These may be modified when a driver module is loaded.*/
36 static int debug = 1; /* 1 normal messages, 0 quiet .. 7 verbose. */
38 #define MAX_UNITS 8 /* More are supported, limit only on options */
39 /* Used to pass the full-duplex flag, etc. */
40 static int full_duplex[MAX_UNITS];
41 static int options[MAX_UNITS];
43 /* Force a non std. amount of memory. Units are 256 byte pages. */
44 /* #define PACKETBUF_MEMSIZE 0x40 */
47 #include <linux/module.h>
48 #include <linux/kernel.h>
49 #include <linux/errno.h>
50 #include <linux/pci.h>
51 #include <linux/init.h>
52 #include <linux/interrupt.h>
53 #include <linux/ethtool.h>
54 #include <linux/netdevice.h>
55 #include <linux/etherdevice.h>
57 #include <asm/system.h>
60 #include <asm/uaccess.h>
64 /* These identify the driver base version and may not be removed. */
65 static char version[] __devinitdata =
66 KERN_INFO DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " D. Becker/P. Gortmaker\n";
68 #if defined(__powerpc__)
69 #define inl_le(addr) le32_to_cpu(inl(addr))
70 #define inw_le(addr) le16_to_cpu(inw(addr))
73 #define PFX DRV_NAME ": "
75 MODULE_AUTHOR("Donald Becker / Paul Gortmaker");
76 MODULE_DESCRIPTION("PCI NE2000 clone driver");
77 MODULE_LICENSE("GPL");
79 module_param(debug, int, 0);
80 module_param_array(options, int, NULL, 0);
81 module_param_array(full_duplex, int, NULL, 0);
82 MODULE_PARM_DESC(debug, "debug level (1-2)");
83 MODULE_PARM_DESC(options, "Bit 5: full duplex");
84 MODULE_PARM_DESC(full_duplex, "full duplex setting(s) (1)");
86 /* Some defines that people can play with if so inclined. */
88 /* Use 32 bit data-movement operations instead of 16 bit. */
91 /* Do we implement the read before write bugfix ? */
92 /* #define NE_RW_BUGFIX */
94 /* Flags. We rename an existing ei_status field to store flags! */
95 /* Thus only the low 8 bits are usable for non-init-time flags. */
96 #define ne2k_flags reg0
98 ONLY_16BIT_IO=8, ONLY_32BIT_IO=4, /* Chip can do only 16/32-bit xfers. */
99 FORCE_FDX=0x20, /* User override. */
100 REALTEK_FDX=0x40, HOLTEK_FDX=0x80,
104 enum ne2k_pci_chipsets {
105 CH_RealTek_RTL_8029 = 0,
115 CH_Winbond_89C940_8c4a,
122 } pci_clone_list[] __devinitdata = {
123 {"RealTek RTL-8029", REALTEK_FDX},
124 {"Winbond 89C940", 0},
125 {"Compex RL2000", 0},
127 {"NetVin NV5000SC", 0},
128 {"Via 86C926", ONLY_16BIT_IO},
130 {"Winbond W89C940F", 0},
131 {"Holtek HT80232", ONLY_16BIT_IO | HOLTEK_FDX},
132 {"Holtek HT80229", ONLY_32BIT_IO | HOLTEK_FDX | STOP_PG_0x60 },
133 {"Winbond W89C940(misprogrammed)", 0},
138 static struct pci_device_id ne2k_pci_tbl[] = {
139 { 0x10ec, 0x8029, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_RealTek_RTL_8029 },
140 { 0x1050, 0x0940, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Winbond_89C940 },
141 { 0x11f6, 0x1401, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Compex_RL2000 },
142 { 0x8e2e, 0x3000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_KTI_ET32P2 },
143 { 0x4a14, 0x5000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_NetVin_NV5000SC },
144 { 0x1106, 0x0926, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Via_86C926 },
145 { 0x10bd, 0x0e34, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_SureCom_NE34 },
146 { 0x1050, 0x5a5a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Winbond_W89C940F },
147 { 0x12c3, 0x0058, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Holtek_HT80232 },
148 { 0x12c3, 0x5598, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Holtek_HT80229 },
149 { 0x8c4a, 0x1980, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Winbond_89C940_8c4a },
152 MODULE_DEVICE_TABLE(pci, ne2k_pci_tbl);
155 /* ---- No user-serviceable parts below ---- */
157 #define NE_BASE (dev->base_addr)
159 #define NE_DATAPORT 0x10 /* NatSemi-defined port window offset. */
160 #define NE_RESET 0x1f /* Issue a read to reset, a write to clear. */
161 #define NE_IO_EXTENT 0x20
163 #define NESM_START_PG 0x40 /* First page of TX buffer */
164 #define NESM_STOP_PG 0x80 /* Last page +1 of RX ring */
167 static int ne2k_pci_open(struct net_device *dev);
168 static int ne2k_pci_close(struct net_device *dev);
170 static void ne2k_pci_reset_8390(struct net_device *dev);
171 static void ne2k_pci_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr,
173 static void ne2k_pci_block_input(struct net_device *dev, int count,
174 struct sk_buff *skb, int ring_offset);
175 static void ne2k_pci_block_output(struct net_device *dev, const int count,
176 const unsigned char *buf, const int start_page);
177 static const struct ethtool_ops ne2k_pci_ethtool_ops;
181 /* There is no room in the standard 8390 structure for extra info we need,
182 so we build a meta/outer-wrapper structure.. */
183 struct ne2k_pci_card {
184 struct net_device *dev;
185 struct pci_dev *pci_dev;
191 NEx000-clone boards have a Station Address (SA) PROM (SAPROM) in the packet
192 buffer memory space. By-the-spec NE2000 clones have 0x57,0x57 in bytes
193 0x0e,0x0f of the SAPROM, while other supposed NE2000 clones must be
194 detected by their SA prefix.
196 Reading the SAPROM from a word-wide card with the 8390 set in byte-wide
197 mode results in doubled values, which can be detected and compensated for.
199 The probe is also responsible for initializing the card and filling
200 in the 'dev' and 'ei_status' structures.
204 static int __devinit ne2k_pci_init_one (struct pci_dev *pdev,
205 const struct pci_device_id *ent)
207 struct net_device *dev;
209 unsigned char SA_prom[32];
210 int start_page, stop_page;
211 int irq, reg0, chip_idx = ent->driver_data;
212 static unsigned int fnd_cnt;
214 int flags = pci_clone_list[chip_idx].flags;
216 /* when built into the kernel, we only print version if device is found */
218 static int printed_version;
219 if (!printed_version++)
225 i = pci_enable_device (pdev);
229 ioaddr = pci_resource_start (pdev, 0);
232 if (!ioaddr || ((pci_resource_flags (pdev, 0) & IORESOURCE_IO) == 0)) {
233 dev_err(&pdev->dev, "no I/O resource at PCI BAR #0\n");
237 if (request_region (ioaddr, NE_IO_EXTENT, DRV_NAME) == NULL) {
238 dev_err(&pdev->dev, "I/O resource 0x%x @ 0x%lx busy\n",
239 NE_IO_EXTENT, ioaddr);
245 goto err_out_free_res;
247 /* Do a preliminary verification that we have a 8390. */
250 outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, ioaddr + E8390_CMD);
251 regd = inb(ioaddr + 0x0d);
252 outb(0xff, ioaddr + 0x0d);
253 outb(E8390_NODMA+E8390_PAGE0, ioaddr + E8390_CMD);
254 inb(ioaddr + EN0_COUNTER0); /* Clear the counter by reading. */
255 if (inb(ioaddr + EN0_COUNTER0) != 0) {
257 outb(regd, ioaddr + 0x0d); /* Restore the old values. */
258 goto err_out_free_res;
262 /* Allocate net_device, dev->priv; fill in 8390 specific dev fields. */
263 dev = alloc_ei_netdev();
265 dev_err(&pdev->dev, "cannot allocate ethernet device\n");
266 goto err_out_free_res;
268 SET_MODULE_OWNER(dev);
269 SET_NETDEV_DEV(dev, &pdev->dev);
271 /* Reset card. Who knows what dain-bramaged state it was left in. */
273 unsigned long reset_start_time = jiffies;
275 outb(inb(ioaddr + NE_RESET), ioaddr + NE_RESET);
277 /* This looks like a horrible timing loop, but it should never take
278 more than a few cycles.
280 while ((inb(ioaddr + EN0_ISR) & ENISR_RESET) == 0)
281 /* Limit wait: '2' avoids jiffy roll-over. */
282 if (jiffies - reset_start_time > 2) {
284 "Card failure (no reset ack).\n");
285 goto err_out_free_netdev;
288 outb(0xff, ioaddr + EN0_ISR); /* Ack all intr. */
291 /* Read the 16 bytes of station address PROM.
292 We must first initialize registers, similar to NS8390_init(eifdev, 0).
293 We can't reliably read the SAPROM address without this.
294 (I learned the hard way!). */
296 struct {unsigned char value, offset; } program_seq[] = {
297 {E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/
298 {0x49, EN0_DCFG}, /* Set word-wide access. */
299 {0x00, EN0_RCNTLO}, /* Clear the count regs. */
301 {0x00, EN0_IMR}, /* Mask completion irq. */
303 {E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */
304 {E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */
307 {0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */
309 {E8390_RREAD+E8390_START, E8390_CMD},
311 for (i = 0; i < sizeof(program_seq)/sizeof(program_seq[0]); i++)
312 outb(program_seq[i].value, ioaddr + program_seq[i].offset);
316 /* Note: all PCI cards have at least 16 bit access, so we don't have
317 to check for 8 bit cards. Most cards permit 32 bit access. */
318 if (flags & ONLY_32BIT_IO) {
319 for (i = 0; i < 4 ; i++)
320 ((u32 *)SA_prom)[i] = le32_to_cpu(inl(ioaddr + NE_DATAPORT));
322 for(i = 0; i < 32 /*sizeof(SA_prom)*/; i++)
323 SA_prom[i] = inb(ioaddr + NE_DATAPORT);
325 /* We always set the 8390 registers for word mode. */
326 outb(0x49, ioaddr + EN0_DCFG);
327 start_page = NESM_START_PG;
329 stop_page = flags & STOP_PG_0x60 ? 0x60 : NESM_STOP_PG;
331 /* Set up the rest of the parameters. */
333 dev->base_addr = ioaddr;
334 pci_set_drvdata(pdev, dev);
336 ei_status.name = pci_clone_list[chip_idx].name;
337 ei_status.tx_start_page = start_page;
338 ei_status.stop_page = stop_page;
339 ei_status.word16 = 1;
340 ei_status.ne2k_flags = flags;
341 if (fnd_cnt < MAX_UNITS) {
342 if (full_duplex[fnd_cnt] > 0 || (options[fnd_cnt] & FORCE_FDX))
343 ei_status.ne2k_flags |= FORCE_FDX;
346 ei_status.rx_start_page = start_page + TX_PAGES;
347 #ifdef PACKETBUF_MEMSIZE
348 /* Allow the packet buffer size to be overridden by know-it-alls. */
349 ei_status.stop_page = ei_status.tx_start_page + PACKETBUF_MEMSIZE;
352 ei_status.reset_8390 = &ne2k_pci_reset_8390;
353 ei_status.block_input = &ne2k_pci_block_input;
354 ei_status.block_output = &ne2k_pci_block_output;
355 ei_status.get_8390_hdr = &ne2k_pci_get_8390_hdr;
356 ei_status.priv = (unsigned long) pdev;
357 dev->open = &ne2k_pci_open;
358 dev->stop = &ne2k_pci_close;
359 dev->ethtool_ops = &ne2k_pci_ethtool_ops;
360 #ifdef CONFIG_NET_POLL_CONTROLLER
361 dev->poll_controller = ei_poll;
365 i = register_netdev(dev);
367 goto err_out_free_netdev;
369 printk("%s: %s found at %#lx, IRQ %d, ",
370 dev->name, pci_clone_list[chip_idx].name, ioaddr, dev->irq);
371 for(i = 0; i < 6; i++) {
372 printk("%2.2X%s", SA_prom[i], i == 5 ? ".\n": ":");
373 dev->dev_addr[i] = SA_prom[i];
375 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
382 release_region (ioaddr, NE_IO_EXTENT);
383 pci_set_drvdata (pdev, NULL);
389 * Magic incantation sequence for full duplex on the supported cards.
391 static inline int set_realtek_fdx(struct net_device *dev)
393 long ioaddr = dev->base_addr;
395 outb(0xC0 + E8390_NODMA, ioaddr + NE_CMD); /* Page 3 */
396 outb(0xC0, ioaddr + 0x01); /* Enable writes to CONFIG3 */
397 outb(0x40, ioaddr + 0x06); /* Enable full duplex */
398 outb(0x00, ioaddr + 0x01); /* Disable writes to CONFIG3 */
399 outb(E8390_PAGE0 + E8390_NODMA, ioaddr + NE_CMD); /* Page 0 */
403 static inline int set_holtek_fdx(struct net_device *dev)
405 long ioaddr = dev->base_addr;
407 outb(inb(ioaddr + 0x20) | 0x80, ioaddr + 0x20);
411 static int ne2k_pci_set_fdx(struct net_device *dev)
413 if (ei_status.ne2k_flags & REALTEK_FDX)
414 return set_realtek_fdx(dev);
415 else if (ei_status.ne2k_flags & HOLTEK_FDX)
416 return set_holtek_fdx(dev);
421 static int ne2k_pci_open(struct net_device *dev)
423 int ret = request_irq(dev->irq, ei_interrupt, IRQF_SHARED, dev->name, dev);
427 if (ei_status.ne2k_flags & FORCE_FDX)
428 ne2k_pci_set_fdx(dev);
434 static int ne2k_pci_close(struct net_device *dev)
437 free_irq(dev->irq, dev);
441 /* Hard reset the card. This used to pause for the same period that a
442 8390 reset command required, but that shouldn't be necessary. */
443 static void ne2k_pci_reset_8390(struct net_device *dev)
445 unsigned long reset_start_time = jiffies;
447 if (debug > 1) printk("%s: Resetting the 8390 t=%ld...",
450 outb(inb(NE_BASE + NE_RESET), NE_BASE + NE_RESET);
453 ei_status.dmaing = 0;
455 /* This check _should_not_ be necessary, omit eventually. */
456 while ((inb(NE_BASE+EN0_ISR) & ENISR_RESET) == 0)
457 if (jiffies - reset_start_time > 2) {
458 printk("%s: ne2k_pci_reset_8390() did not complete.\n", dev->name);
461 outb(ENISR_RESET, NE_BASE + EN0_ISR); /* Ack intr. */
464 /* Grab the 8390 specific header. Similar to the block_input routine, but
465 we don't need to be concerned with ring wrap as the header will be at
466 the start of a page, so we optimize accordingly. */
468 static void ne2k_pci_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
471 long nic_base = dev->base_addr;
473 /* This *shouldn't* happen. If it does, it's the last thing you'll see */
474 if (ei_status.dmaing) {
475 printk("%s: DMAing conflict in ne2k_pci_get_8390_hdr "
476 "[DMAstat:%d][irqlock:%d].\n",
477 dev->name, ei_status.dmaing, ei_status.irqlock);
481 ei_status.dmaing |= 0x01;
482 outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
483 outb(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO);
484 outb(0, nic_base + EN0_RCNTHI);
485 outb(0, nic_base + EN0_RSARLO); /* On page boundary */
486 outb(ring_page, nic_base + EN0_RSARHI);
487 outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
489 if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
490 insw(NE_BASE + NE_DATAPORT, hdr, sizeof(struct e8390_pkt_hdr)>>1);
492 *(u32*)hdr = le32_to_cpu(inl(NE_BASE + NE_DATAPORT));
493 le16_to_cpus(&hdr->count);
496 outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
497 ei_status.dmaing &= ~0x01;
500 /* Block input and output, similar to the Crynwr packet driver. If you
501 are porting to a new ethercard, look at the packet driver source for hints.
502 The NEx000 doesn't share the on-board packet memory -- you have to put
503 the packet out through the "remote DMA" dataport using outb. */
505 static void ne2k_pci_block_input(struct net_device *dev, int count,
506 struct sk_buff *skb, int ring_offset)
508 long nic_base = dev->base_addr;
509 char *buf = skb->data;
511 /* This *shouldn't* happen. If it does, it's the last thing you'll see */
512 if (ei_status.dmaing) {
513 printk("%s: DMAing conflict in ne2k_pci_block_input "
514 "[DMAstat:%d][irqlock:%d].\n",
515 dev->name, ei_status.dmaing, ei_status.irqlock);
518 ei_status.dmaing |= 0x01;
519 if (ei_status.ne2k_flags & ONLY_32BIT_IO)
520 count = (count + 3) & 0xFFFC;
521 outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
522 outb(count & 0xff, nic_base + EN0_RCNTLO);
523 outb(count >> 8, nic_base + EN0_RCNTHI);
524 outb(ring_offset & 0xff, nic_base + EN0_RSARLO);
525 outb(ring_offset >> 8, nic_base + EN0_RSARHI);
526 outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
528 if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
529 insw(NE_BASE + NE_DATAPORT,buf,count>>1);
531 buf[count-1] = inb(NE_BASE + NE_DATAPORT);
534 insl(NE_BASE + NE_DATAPORT, buf, count>>2);
540 *b++ = le16_to_cpu(inw(NE_BASE + NE_DATAPORT));
544 *buf = inb(NE_BASE + NE_DATAPORT);
548 outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
549 ei_status.dmaing &= ~0x01;
552 static void ne2k_pci_block_output(struct net_device *dev, int count,
553 const unsigned char *buf, const int start_page)
555 long nic_base = NE_BASE;
556 unsigned long dma_start;
558 /* On little-endian it's always safe to round the count up for
560 if (ei_status.ne2k_flags & ONLY_32BIT_IO)
561 count = (count + 3) & 0xFFFC;
566 /* This *shouldn't* happen. If it does, it's the last thing you'll see */
567 if (ei_status.dmaing) {
568 printk("%s: DMAing conflict in ne2k_pci_block_output."
569 "[DMAstat:%d][irqlock:%d]\n",
570 dev->name, ei_status.dmaing, ei_status.irqlock);
573 ei_status.dmaing |= 0x01;
574 /* We should already be in page 0, but to be safe... */
575 outb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD);
577 #ifdef NE8390_RW_BUGFIX
578 /* Handle the read-before-write bug the same way as the
579 Crynwr packet driver -- the NatSemi method doesn't work.
580 Actually this doesn't always work either, but if you have
581 problems with your NEx000 this is better than nothing! */
582 outb(0x42, nic_base + EN0_RCNTLO);
583 outb(0x00, nic_base + EN0_RCNTHI);
584 outb(0x42, nic_base + EN0_RSARLO);
585 outb(0x00, nic_base + EN0_RSARHI);
586 outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
588 outb(ENISR_RDC, nic_base + EN0_ISR);
590 /* Now the normal output. */
591 outb(count & 0xff, nic_base + EN0_RCNTLO);
592 outb(count >> 8, nic_base + EN0_RCNTHI);
593 outb(0x00, nic_base + EN0_RSARLO);
594 outb(start_page, nic_base + EN0_RSARHI);
595 outb(E8390_RWRITE+E8390_START, nic_base + NE_CMD);
596 if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
597 outsw(NE_BASE + NE_DATAPORT, buf, count>>1);
599 outsl(NE_BASE + NE_DATAPORT, buf, count>>2);
605 outw(cpu_to_le16(*b++), NE_BASE + NE_DATAPORT);
613 while ((inb(nic_base + EN0_ISR) & ENISR_RDC) == 0)
614 if (jiffies - dma_start > 2) { /* Avoid clock roll-over. */
615 printk(KERN_WARNING "%s: timeout waiting for Tx RDC.\n", dev->name);
616 ne2k_pci_reset_8390(dev);
621 outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
622 ei_status.dmaing &= ~0x01;
626 static void ne2k_pci_get_drvinfo(struct net_device *dev,
627 struct ethtool_drvinfo *info)
629 struct ei_device *ei = dev->priv;
630 struct pci_dev *pci_dev = (struct pci_dev *) ei->priv;
632 strcpy(info->driver, DRV_NAME);
633 strcpy(info->version, DRV_VERSION);
634 strcpy(info->bus_info, pci_name(pci_dev));
637 static const struct ethtool_ops ne2k_pci_ethtool_ops = {
638 .get_drvinfo = ne2k_pci_get_drvinfo,
639 .get_tx_csum = ethtool_op_get_tx_csum,
640 .get_sg = ethtool_op_get_sg,
641 .get_perm_addr = ethtool_op_get_perm_addr,
644 static void __devexit ne2k_pci_remove_one (struct pci_dev *pdev)
646 struct net_device *dev = pci_get_drvdata(pdev);
649 unregister_netdev(dev);
650 release_region(dev->base_addr, NE_IO_EXTENT);
652 pci_disable_device(pdev);
653 pci_set_drvdata(pdev, NULL);
657 static int ne2k_pci_suspend (struct pci_dev *pdev, pm_message_t state)
659 struct net_device *dev = pci_get_drvdata (pdev);
661 netif_device_detach(dev);
662 pci_save_state(pdev);
663 pci_disable_device(pdev);
664 pci_set_power_state(pdev, pci_choose_state(pdev, state));
669 static int ne2k_pci_resume (struct pci_dev *pdev)
671 struct net_device *dev = pci_get_drvdata (pdev);
674 pci_set_power_state(pdev, 0);
675 pci_restore_state(pdev);
677 rc = pci_enable_device(pdev);
682 netif_device_attach(dev);
687 #endif /* CONFIG_PM */
690 static struct pci_driver ne2k_driver = {
692 .probe = ne2k_pci_init_one,
693 .remove = __devexit_p(ne2k_pci_remove_one),
694 .id_table = ne2k_pci_tbl,
696 .suspend = ne2k_pci_suspend,
697 .resume = ne2k_pci_resume,
698 #endif /* CONFIG_PM */
703 static int __init ne2k_pci_init(void)
705 /* when a module, this is printed whether or not devices are found in probe */
709 return pci_register_driver(&ne2k_driver);
713 static void __exit ne2k_pci_cleanup(void)
715 pci_unregister_driver (&ne2k_driver);
718 module_init(ne2k_pci_init);
719 module_exit(ne2k_pci_cleanup);