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 const char version[] __devinitconst =
66 KERN_INFO DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE
67 " D. Becker/P. Gortmaker\n";
69 #if defined(__powerpc__)
70 #define inl_le(addr) le32_to_cpu(inl(addr))
71 #define inw_le(addr) le16_to_cpu(inw(addr))
74 #define PFX DRV_NAME ": "
76 MODULE_AUTHOR("Donald Becker / Paul Gortmaker");
77 MODULE_DESCRIPTION("PCI NE2000 clone driver");
78 MODULE_LICENSE("GPL");
80 module_param(debug, int, 0);
81 module_param_array(options, int, NULL, 0);
82 module_param_array(full_duplex, int, NULL, 0);
83 MODULE_PARM_DESC(debug, "debug level (1-2)");
84 MODULE_PARM_DESC(options, "Bit 5: full duplex");
85 MODULE_PARM_DESC(full_duplex, "full duplex setting(s) (1)");
87 /* Some defines that people can play with if so inclined. */
89 /* Use 32 bit data-movement operations instead of 16 bit. */
92 /* Do we implement the read before write bugfix ? */
93 /* #define NE_RW_BUGFIX */
95 /* Flags. We rename an existing ei_status field to store flags! */
96 /* Thus only the low 8 bits are usable for non-init-time flags. */
97 #define ne2k_flags reg0
99 ONLY_16BIT_IO=8, ONLY_32BIT_IO=4, /* Chip can do only 16/32-bit xfers. */
100 FORCE_FDX=0x20, /* User override. */
101 REALTEK_FDX=0x40, HOLTEK_FDX=0x80,
105 enum ne2k_pci_chipsets {
106 CH_RealTek_RTL_8029 = 0,
116 CH_Winbond_89C940_8c4a,
123 } pci_clone_list[] __devinitdata = {
124 {"RealTek RTL-8029", REALTEK_FDX},
125 {"Winbond 89C940", 0},
126 {"Compex RL2000", 0},
128 {"NetVin NV5000SC", 0},
129 {"Via 86C926", ONLY_16BIT_IO},
131 {"Winbond W89C940F", 0},
132 {"Holtek HT80232", ONLY_16BIT_IO | HOLTEK_FDX},
133 {"Holtek HT80229", ONLY_32BIT_IO | HOLTEK_FDX | STOP_PG_0x60 },
134 {"Winbond W89C940(misprogrammed)", 0},
139 static struct pci_device_id ne2k_pci_tbl[] = {
140 { 0x10ec, 0x8029, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_RealTek_RTL_8029 },
141 { 0x1050, 0x0940, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Winbond_89C940 },
142 { 0x11f6, 0x1401, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Compex_RL2000 },
143 { 0x8e2e, 0x3000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_KTI_ET32P2 },
144 { 0x4a14, 0x5000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_NetVin_NV5000SC },
145 { 0x1106, 0x0926, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Via_86C926 },
146 { 0x10bd, 0x0e34, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_SureCom_NE34 },
147 { 0x1050, 0x5a5a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Winbond_W89C940F },
148 { 0x12c3, 0x0058, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Holtek_HT80232 },
149 { 0x12c3, 0x5598, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Holtek_HT80229 },
150 { 0x8c4a, 0x1980, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Winbond_89C940_8c4a },
153 MODULE_DEVICE_TABLE(pci, ne2k_pci_tbl);
156 /* ---- No user-serviceable parts below ---- */
158 #define NE_BASE (dev->base_addr)
160 #define NE_DATAPORT 0x10 /* NatSemi-defined port window offset. */
161 #define NE_RESET 0x1f /* Issue a read to reset, a write to clear. */
162 #define NE_IO_EXTENT 0x20
164 #define NESM_START_PG 0x40 /* First page of TX buffer */
165 #define NESM_STOP_PG 0x80 /* Last page +1 of RX ring */
168 static int ne2k_pci_open(struct net_device *dev);
169 static int ne2k_pci_close(struct net_device *dev);
171 static void ne2k_pci_reset_8390(struct net_device *dev);
172 static void ne2k_pci_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr,
174 static void ne2k_pci_block_input(struct net_device *dev, int count,
175 struct sk_buff *skb, int ring_offset);
176 static void ne2k_pci_block_output(struct net_device *dev, const int count,
177 const unsigned char *buf, const int start_page);
178 static const struct ethtool_ops ne2k_pci_ethtool_ops;
182 /* There is no room in the standard 8390 structure for extra info we need,
183 so we build a meta/outer-wrapper structure.. */
184 struct ne2k_pci_card {
185 struct net_device *dev;
186 struct pci_dev *pci_dev;
192 NEx000-clone boards have a Station Address (SA) PROM (SAPROM) in the packet
193 buffer memory space. By-the-spec NE2000 clones have 0x57,0x57 in bytes
194 0x0e,0x0f of the SAPROM, while other supposed NE2000 clones must be
195 detected by their SA prefix.
197 Reading the SAPROM from a word-wide card with the 8390 set in byte-wide
198 mode results in doubled values, which can be detected and compensated for.
200 The probe is also responsible for initializing the card and filling
201 in the 'dev' and 'ei_status' structures.
204 static const struct net_device_ops ne2k_netdev_ops = {
205 .ndo_open = ne2k_pci_open,
206 .ndo_stop = ne2k_pci_close,
207 .ndo_start_xmit = ei_start_xmit,
208 .ndo_tx_timeout = ei_tx_timeout,
209 .ndo_get_stats = ei_get_stats,
210 .ndo_set_multicast_list = ei_set_multicast_list,
211 .ndo_validate_addr = eth_validate_addr,
212 .ndo_set_mac_address = eth_mac_addr,
213 .ndo_change_mtu = eth_change_mtu,
214 #ifdef CONFIG_NET_POLL_CONTROLLER
215 .ndo_poll_controller = ei_poll,
219 static int __devinit ne2k_pci_init_one (struct pci_dev *pdev,
220 const struct pci_device_id *ent)
222 struct net_device *dev;
224 unsigned char SA_prom[32];
225 int start_page, stop_page;
226 int irq, reg0, chip_idx = ent->driver_data;
227 static unsigned int fnd_cnt;
229 int flags = pci_clone_list[chip_idx].flags;
231 /* when built into the kernel, we only print version if device is found */
233 static int printed_version;
234 if (!printed_version++)
240 i = pci_enable_device (pdev);
244 ioaddr = pci_resource_start (pdev, 0);
247 if (!ioaddr || ((pci_resource_flags (pdev, 0) & IORESOURCE_IO) == 0)) {
248 dev_err(&pdev->dev, "no I/O resource at PCI BAR #0\n");
252 if (request_region (ioaddr, NE_IO_EXTENT, DRV_NAME) == NULL) {
253 dev_err(&pdev->dev, "I/O resource 0x%x @ 0x%lx busy\n",
254 NE_IO_EXTENT, ioaddr);
260 goto err_out_free_res;
262 /* Do a preliminary verification that we have a 8390. */
265 outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, ioaddr + E8390_CMD);
266 regd = inb(ioaddr + 0x0d);
267 outb(0xff, ioaddr + 0x0d);
268 outb(E8390_NODMA+E8390_PAGE0, ioaddr + E8390_CMD);
269 inb(ioaddr + EN0_COUNTER0); /* Clear the counter by reading. */
270 if (inb(ioaddr + EN0_COUNTER0) != 0) {
272 outb(regd, ioaddr + 0x0d); /* Restore the old values. */
273 goto err_out_free_res;
277 /* Allocate net_device, dev->priv; fill in 8390 specific dev fields. */
278 dev = alloc_ei_netdev();
280 dev_err(&pdev->dev, "cannot allocate ethernet device\n");
281 goto err_out_free_res;
283 dev->netdev_ops = &ne2k_netdev_ops;
285 SET_NETDEV_DEV(dev, &pdev->dev);
287 /* Reset card. Who knows what dain-bramaged state it was left in. */
289 unsigned long reset_start_time = jiffies;
291 outb(inb(ioaddr + NE_RESET), ioaddr + NE_RESET);
293 /* This looks like a horrible timing loop, but it should never take
294 more than a few cycles.
296 while ((inb(ioaddr + EN0_ISR) & ENISR_RESET) == 0)
297 /* Limit wait: '2' avoids jiffy roll-over. */
298 if (jiffies - reset_start_time > 2) {
300 "Card failure (no reset ack).\n");
301 goto err_out_free_netdev;
304 outb(0xff, ioaddr + EN0_ISR); /* Ack all intr. */
307 /* Read the 16 bytes of station address PROM.
308 We must first initialize registers, similar to NS8390_init(eifdev, 0).
309 We can't reliably read the SAPROM address without this.
310 (I learned the hard way!). */
312 struct {unsigned char value, offset; } program_seq[] = {
313 {E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/
314 {0x49, EN0_DCFG}, /* Set word-wide access. */
315 {0x00, EN0_RCNTLO}, /* Clear the count regs. */
317 {0x00, EN0_IMR}, /* Mask completion irq. */
319 {E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */
320 {E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */
323 {0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */
325 {E8390_RREAD+E8390_START, E8390_CMD},
327 for (i = 0; i < ARRAY_SIZE(program_seq); i++)
328 outb(program_seq[i].value, ioaddr + program_seq[i].offset);
332 /* Note: all PCI cards have at least 16 bit access, so we don't have
333 to check for 8 bit cards. Most cards permit 32 bit access. */
334 if (flags & ONLY_32BIT_IO) {
335 for (i = 0; i < 4 ; i++)
336 ((u32 *)SA_prom)[i] = le32_to_cpu(inl(ioaddr + NE_DATAPORT));
338 for(i = 0; i < 32 /*sizeof(SA_prom)*/; i++)
339 SA_prom[i] = inb(ioaddr + NE_DATAPORT);
341 /* We always set the 8390 registers for word mode. */
342 outb(0x49, ioaddr + EN0_DCFG);
343 start_page = NESM_START_PG;
345 stop_page = flags & STOP_PG_0x60 ? 0x60 : NESM_STOP_PG;
347 /* Set up the rest of the parameters. */
349 dev->base_addr = ioaddr;
350 pci_set_drvdata(pdev, dev);
352 ei_status.name = pci_clone_list[chip_idx].name;
353 ei_status.tx_start_page = start_page;
354 ei_status.stop_page = stop_page;
355 ei_status.word16 = 1;
356 ei_status.ne2k_flags = flags;
357 if (fnd_cnt < MAX_UNITS) {
358 if (full_duplex[fnd_cnt] > 0 || (options[fnd_cnt] & FORCE_FDX))
359 ei_status.ne2k_flags |= FORCE_FDX;
362 ei_status.rx_start_page = start_page + TX_PAGES;
363 #ifdef PACKETBUF_MEMSIZE
364 /* Allow the packet buffer size to be overridden by know-it-alls. */
365 ei_status.stop_page = ei_status.tx_start_page + PACKETBUF_MEMSIZE;
368 ei_status.reset_8390 = &ne2k_pci_reset_8390;
369 ei_status.block_input = &ne2k_pci_block_input;
370 ei_status.block_output = &ne2k_pci_block_output;
371 ei_status.get_8390_hdr = &ne2k_pci_get_8390_hdr;
372 ei_status.priv = (unsigned long) pdev;
374 dev->ethtool_ops = &ne2k_pci_ethtool_ops;
377 i = register_netdev(dev);
379 goto err_out_free_netdev;
381 for(i = 0; i < 6; i++)
382 dev->dev_addr[i] = SA_prom[i];
383 printk("%s: %s found at %#lx, IRQ %d, %pM.\n",
384 dev->name, pci_clone_list[chip_idx].name, ioaddr, dev->irq,
387 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
394 release_region (ioaddr, NE_IO_EXTENT);
395 pci_set_drvdata (pdev, NULL);
401 * Magic incantation sequence for full duplex on the supported cards.
403 static inline int set_realtek_fdx(struct net_device *dev)
405 long ioaddr = dev->base_addr;
407 outb(0xC0 + E8390_NODMA, ioaddr + NE_CMD); /* Page 3 */
408 outb(0xC0, ioaddr + 0x01); /* Enable writes to CONFIG3 */
409 outb(0x40, ioaddr + 0x06); /* Enable full duplex */
410 outb(0x00, ioaddr + 0x01); /* Disable writes to CONFIG3 */
411 outb(E8390_PAGE0 + E8390_NODMA, ioaddr + NE_CMD); /* Page 0 */
415 static inline int set_holtek_fdx(struct net_device *dev)
417 long ioaddr = dev->base_addr;
419 outb(inb(ioaddr + 0x20) | 0x80, ioaddr + 0x20);
423 static int ne2k_pci_set_fdx(struct net_device *dev)
425 if (ei_status.ne2k_flags & REALTEK_FDX)
426 return set_realtek_fdx(dev);
427 else if (ei_status.ne2k_flags & HOLTEK_FDX)
428 return set_holtek_fdx(dev);
433 static int ne2k_pci_open(struct net_device *dev)
435 int ret = request_irq(dev->irq, ei_interrupt, IRQF_SHARED, dev->name, dev);
439 if (ei_status.ne2k_flags & FORCE_FDX)
440 ne2k_pci_set_fdx(dev);
446 static int ne2k_pci_close(struct net_device *dev)
449 free_irq(dev->irq, dev);
453 /* Hard reset the card. This used to pause for the same period that a
454 8390 reset command required, but that shouldn't be necessary. */
455 static void ne2k_pci_reset_8390(struct net_device *dev)
457 unsigned long reset_start_time = jiffies;
459 if (debug > 1) printk("%s: Resetting the 8390 t=%ld...",
462 outb(inb(NE_BASE + NE_RESET), NE_BASE + NE_RESET);
465 ei_status.dmaing = 0;
467 /* This check _should_not_ be necessary, omit eventually. */
468 while ((inb(NE_BASE+EN0_ISR) & ENISR_RESET) == 0)
469 if (jiffies - reset_start_time > 2) {
470 printk("%s: ne2k_pci_reset_8390() did not complete.\n", dev->name);
473 outb(ENISR_RESET, NE_BASE + EN0_ISR); /* Ack intr. */
476 /* Grab the 8390 specific header. Similar to the block_input routine, but
477 we don't need to be concerned with ring wrap as the header will be at
478 the start of a page, so we optimize accordingly. */
480 static void ne2k_pci_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
483 long nic_base = dev->base_addr;
485 /* This *shouldn't* happen. If it does, it's the last thing you'll see */
486 if (ei_status.dmaing) {
487 printk("%s: DMAing conflict in ne2k_pci_get_8390_hdr "
488 "[DMAstat:%d][irqlock:%d].\n",
489 dev->name, ei_status.dmaing, ei_status.irqlock);
493 ei_status.dmaing |= 0x01;
494 outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
495 outb(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO);
496 outb(0, nic_base + EN0_RCNTHI);
497 outb(0, nic_base + EN0_RSARLO); /* On page boundary */
498 outb(ring_page, nic_base + EN0_RSARHI);
499 outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
501 if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
502 insw(NE_BASE + NE_DATAPORT, hdr, sizeof(struct e8390_pkt_hdr)>>1);
504 *(u32*)hdr = le32_to_cpu(inl(NE_BASE + NE_DATAPORT));
505 le16_to_cpus(&hdr->count);
508 outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
509 ei_status.dmaing &= ~0x01;
512 /* Block input and output, similar to the Crynwr packet driver. If you
513 are porting to a new ethercard, look at the packet driver source for hints.
514 The NEx000 doesn't share the on-board packet memory -- you have to put
515 the packet out through the "remote DMA" dataport using outb. */
517 static void ne2k_pci_block_input(struct net_device *dev, int count,
518 struct sk_buff *skb, int ring_offset)
520 long nic_base = dev->base_addr;
521 char *buf = skb->data;
523 /* This *shouldn't* happen. If it does, it's the last thing you'll see */
524 if (ei_status.dmaing) {
525 printk("%s: DMAing conflict in ne2k_pci_block_input "
526 "[DMAstat:%d][irqlock:%d].\n",
527 dev->name, ei_status.dmaing, ei_status.irqlock);
530 ei_status.dmaing |= 0x01;
531 if (ei_status.ne2k_flags & ONLY_32BIT_IO)
532 count = (count + 3) & 0xFFFC;
533 outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
534 outb(count & 0xff, nic_base + EN0_RCNTLO);
535 outb(count >> 8, nic_base + EN0_RCNTHI);
536 outb(ring_offset & 0xff, nic_base + EN0_RSARLO);
537 outb(ring_offset >> 8, nic_base + EN0_RSARHI);
538 outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
540 if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
541 insw(NE_BASE + NE_DATAPORT,buf,count>>1);
543 buf[count-1] = inb(NE_BASE + NE_DATAPORT);
546 insl(NE_BASE + NE_DATAPORT, buf, count>>2);
550 __le16 *b = (__le16 *)buf;
552 *b++ = cpu_to_le16(inw(NE_BASE + NE_DATAPORT));
556 *buf = inb(NE_BASE + NE_DATAPORT);
560 outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
561 ei_status.dmaing &= ~0x01;
564 static void ne2k_pci_block_output(struct net_device *dev, int count,
565 const unsigned char *buf, const int start_page)
567 long nic_base = NE_BASE;
568 unsigned long dma_start;
570 /* On little-endian it's always safe to round the count up for
572 if (ei_status.ne2k_flags & ONLY_32BIT_IO)
573 count = (count + 3) & 0xFFFC;
578 /* This *shouldn't* happen. If it does, it's the last thing you'll see */
579 if (ei_status.dmaing) {
580 printk("%s: DMAing conflict in ne2k_pci_block_output."
581 "[DMAstat:%d][irqlock:%d]\n",
582 dev->name, ei_status.dmaing, ei_status.irqlock);
585 ei_status.dmaing |= 0x01;
586 /* We should already be in page 0, but to be safe... */
587 outb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD);
589 #ifdef NE8390_RW_BUGFIX
590 /* Handle the read-before-write bug the same way as the
591 Crynwr packet driver -- the NatSemi method doesn't work.
592 Actually this doesn't always work either, but if you have
593 problems with your NEx000 this is better than nothing! */
594 outb(0x42, nic_base + EN0_RCNTLO);
595 outb(0x00, nic_base + EN0_RCNTHI);
596 outb(0x42, nic_base + EN0_RSARLO);
597 outb(0x00, nic_base + EN0_RSARHI);
598 outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
600 outb(ENISR_RDC, nic_base + EN0_ISR);
602 /* Now the normal output. */
603 outb(count & 0xff, nic_base + EN0_RCNTLO);
604 outb(count >> 8, nic_base + EN0_RCNTHI);
605 outb(0x00, nic_base + EN0_RSARLO);
606 outb(start_page, nic_base + EN0_RSARHI);
607 outb(E8390_RWRITE+E8390_START, nic_base + NE_CMD);
608 if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
609 outsw(NE_BASE + NE_DATAPORT, buf, count>>1);
611 outsl(NE_BASE + NE_DATAPORT, buf, count>>2);
615 __le16 *b = (__le16 *)buf;
617 outw(le16_to_cpu(*b++), NE_BASE + NE_DATAPORT);
625 while ((inb(nic_base + EN0_ISR) & ENISR_RDC) == 0)
626 if (jiffies - dma_start > 2) { /* Avoid clock roll-over. */
627 printk(KERN_WARNING "%s: timeout waiting for Tx RDC.\n", dev->name);
628 ne2k_pci_reset_8390(dev);
633 outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
634 ei_status.dmaing &= ~0x01;
638 static void ne2k_pci_get_drvinfo(struct net_device *dev,
639 struct ethtool_drvinfo *info)
641 struct ei_device *ei = netdev_priv(dev);
642 struct pci_dev *pci_dev = (struct pci_dev *) ei->priv;
644 strcpy(info->driver, DRV_NAME);
645 strcpy(info->version, DRV_VERSION);
646 strcpy(info->bus_info, pci_name(pci_dev));
649 static const struct ethtool_ops ne2k_pci_ethtool_ops = {
650 .get_drvinfo = ne2k_pci_get_drvinfo,
653 static void __devexit ne2k_pci_remove_one (struct pci_dev *pdev)
655 struct net_device *dev = pci_get_drvdata(pdev);
658 unregister_netdev(dev);
659 release_region(dev->base_addr, NE_IO_EXTENT);
661 pci_disable_device(pdev);
662 pci_set_drvdata(pdev, NULL);
666 static int ne2k_pci_suspend (struct pci_dev *pdev, pm_message_t state)
668 struct net_device *dev = pci_get_drvdata (pdev);
670 netif_device_detach(dev);
671 pci_save_state(pdev);
672 pci_disable_device(pdev);
673 pci_set_power_state(pdev, pci_choose_state(pdev, state));
678 static int ne2k_pci_resume (struct pci_dev *pdev)
680 struct net_device *dev = pci_get_drvdata (pdev);
683 pci_set_power_state(pdev, 0);
684 pci_restore_state(pdev);
686 rc = pci_enable_device(pdev);
691 netif_device_attach(dev);
696 #endif /* CONFIG_PM */
699 static struct pci_driver ne2k_driver = {
701 .probe = ne2k_pci_init_one,
702 .remove = __devexit_p(ne2k_pci_remove_one),
703 .id_table = ne2k_pci_tbl,
705 .suspend = ne2k_pci_suspend,
706 .resume = ne2k_pci_resume,
707 #endif /* CONFIG_PM */
712 static int __init ne2k_pci_init(void)
714 /* when a module, this is printed whether or not devices are found in probe */
718 return pci_register_driver(&ne2k_driver);
722 static void __exit ne2k_pci_cleanup(void)
724 pci_unregister_driver (&ne2k_driver);
727 module_init(ne2k_pci_init);
728 module_exit(ne2k_pci_cleanup);