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 memcpy(dev->dev_addr, SA_prom, dev->addr_len);
378 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
380 i = register_netdev(dev);
382 goto err_out_free_netdev;
384 printk("%s: %s found at %#lx, IRQ %d, %pM.\n",
385 dev->name, pci_clone_list[chip_idx].name, ioaddr, dev->irq,
393 release_region (ioaddr, NE_IO_EXTENT);
394 pci_set_drvdata (pdev, NULL);
400 * Magic incantation sequence for full duplex on the supported cards.
402 static inline int set_realtek_fdx(struct net_device *dev)
404 long ioaddr = dev->base_addr;
406 outb(0xC0 + E8390_NODMA, ioaddr + NE_CMD); /* Page 3 */
407 outb(0xC0, ioaddr + 0x01); /* Enable writes to CONFIG3 */
408 outb(0x40, ioaddr + 0x06); /* Enable full duplex */
409 outb(0x00, ioaddr + 0x01); /* Disable writes to CONFIG3 */
410 outb(E8390_PAGE0 + E8390_NODMA, ioaddr + NE_CMD); /* Page 0 */
414 static inline int set_holtek_fdx(struct net_device *dev)
416 long ioaddr = dev->base_addr;
418 outb(inb(ioaddr + 0x20) | 0x80, ioaddr + 0x20);
422 static int ne2k_pci_set_fdx(struct net_device *dev)
424 if (ei_status.ne2k_flags & REALTEK_FDX)
425 return set_realtek_fdx(dev);
426 else if (ei_status.ne2k_flags & HOLTEK_FDX)
427 return set_holtek_fdx(dev);
432 static int ne2k_pci_open(struct net_device *dev)
434 int ret = request_irq(dev->irq, ei_interrupt, IRQF_SHARED, dev->name, dev);
438 if (ei_status.ne2k_flags & FORCE_FDX)
439 ne2k_pci_set_fdx(dev);
445 static int ne2k_pci_close(struct net_device *dev)
448 free_irq(dev->irq, dev);
452 /* Hard reset the card. This used to pause for the same period that a
453 8390 reset command required, but that shouldn't be necessary. */
454 static void ne2k_pci_reset_8390(struct net_device *dev)
456 unsigned long reset_start_time = jiffies;
458 if (debug > 1) printk("%s: Resetting the 8390 t=%ld...",
461 outb(inb(NE_BASE + NE_RESET), NE_BASE + NE_RESET);
464 ei_status.dmaing = 0;
466 /* This check _should_not_ be necessary, omit eventually. */
467 while ((inb(NE_BASE+EN0_ISR) & ENISR_RESET) == 0)
468 if (jiffies - reset_start_time > 2) {
469 printk("%s: ne2k_pci_reset_8390() did not complete.\n", dev->name);
472 outb(ENISR_RESET, NE_BASE + EN0_ISR); /* Ack intr. */
475 /* Grab the 8390 specific header. Similar to the block_input routine, but
476 we don't need to be concerned with ring wrap as the header will be at
477 the start of a page, so we optimize accordingly. */
479 static void ne2k_pci_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
482 long nic_base = dev->base_addr;
484 /* This *shouldn't* happen. If it does, it's the last thing you'll see */
485 if (ei_status.dmaing) {
486 printk("%s: DMAing conflict in ne2k_pci_get_8390_hdr "
487 "[DMAstat:%d][irqlock:%d].\n",
488 dev->name, ei_status.dmaing, ei_status.irqlock);
492 ei_status.dmaing |= 0x01;
493 outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
494 outb(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO);
495 outb(0, nic_base + EN0_RCNTHI);
496 outb(0, nic_base + EN0_RSARLO); /* On page boundary */
497 outb(ring_page, nic_base + EN0_RSARHI);
498 outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
500 if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
501 insw(NE_BASE + NE_DATAPORT, hdr, sizeof(struct e8390_pkt_hdr)>>1);
503 *(u32*)hdr = le32_to_cpu(inl(NE_BASE + NE_DATAPORT));
504 le16_to_cpus(&hdr->count);
507 outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
508 ei_status.dmaing &= ~0x01;
511 /* Block input and output, similar to the Crynwr packet driver. If you
512 are porting to a new ethercard, look at the packet driver source for hints.
513 The NEx000 doesn't share the on-board packet memory -- you have to put
514 the packet out through the "remote DMA" dataport using outb. */
516 static void ne2k_pci_block_input(struct net_device *dev, int count,
517 struct sk_buff *skb, int ring_offset)
519 long nic_base = dev->base_addr;
520 char *buf = skb->data;
522 /* This *shouldn't* happen. If it does, it's the last thing you'll see */
523 if (ei_status.dmaing) {
524 printk("%s: DMAing conflict in ne2k_pci_block_input "
525 "[DMAstat:%d][irqlock:%d].\n",
526 dev->name, ei_status.dmaing, ei_status.irqlock);
529 ei_status.dmaing |= 0x01;
530 if (ei_status.ne2k_flags & ONLY_32BIT_IO)
531 count = (count + 3) & 0xFFFC;
532 outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
533 outb(count & 0xff, nic_base + EN0_RCNTLO);
534 outb(count >> 8, nic_base + EN0_RCNTHI);
535 outb(ring_offset & 0xff, nic_base + EN0_RSARLO);
536 outb(ring_offset >> 8, nic_base + EN0_RSARHI);
537 outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
539 if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
540 insw(NE_BASE + NE_DATAPORT,buf,count>>1);
542 buf[count-1] = inb(NE_BASE + NE_DATAPORT);
545 insl(NE_BASE + NE_DATAPORT, buf, count>>2);
549 __le16 *b = (__le16 *)buf;
551 *b++ = cpu_to_le16(inw(NE_BASE + NE_DATAPORT));
555 *buf = inb(NE_BASE + NE_DATAPORT);
559 outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
560 ei_status.dmaing &= ~0x01;
563 static void ne2k_pci_block_output(struct net_device *dev, int count,
564 const unsigned char *buf, const int start_page)
566 long nic_base = NE_BASE;
567 unsigned long dma_start;
569 /* On little-endian it's always safe to round the count up for
571 if (ei_status.ne2k_flags & ONLY_32BIT_IO)
572 count = (count + 3) & 0xFFFC;
577 /* This *shouldn't* happen. If it does, it's the last thing you'll see */
578 if (ei_status.dmaing) {
579 printk("%s: DMAing conflict in ne2k_pci_block_output."
580 "[DMAstat:%d][irqlock:%d]\n",
581 dev->name, ei_status.dmaing, ei_status.irqlock);
584 ei_status.dmaing |= 0x01;
585 /* We should already be in page 0, but to be safe... */
586 outb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD);
588 #ifdef NE8390_RW_BUGFIX
589 /* Handle the read-before-write bug the same way as the
590 Crynwr packet driver -- the NatSemi method doesn't work.
591 Actually this doesn't always work either, but if you have
592 problems with your NEx000 this is better than nothing! */
593 outb(0x42, nic_base + EN0_RCNTLO);
594 outb(0x00, nic_base + EN0_RCNTHI);
595 outb(0x42, nic_base + EN0_RSARLO);
596 outb(0x00, nic_base + EN0_RSARHI);
597 outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
599 outb(ENISR_RDC, nic_base + EN0_ISR);
601 /* Now the normal output. */
602 outb(count & 0xff, nic_base + EN0_RCNTLO);
603 outb(count >> 8, nic_base + EN0_RCNTHI);
604 outb(0x00, nic_base + EN0_RSARLO);
605 outb(start_page, nic_base + EN0_RSARHI);
606 outb(E8390_RWRITE+E8390_START, nic_base + NE_CMD);
607 if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
608 outsw(NE_BASE + NE_DATAPORT, buf, count>>1);
610 outsl(NE_BASE + NE_DATAPORT, buf, count>>2);
614 __le16 *b = (__le16 *)buf;
616 outw(le16_to_cpu(*b++), NE_BASE + NE_DATAPORT);
624 while ((inb(nic_base + EN0_ISR) & ENISR_RDC) == 0)
625 if (jiffies - dma_start > 2) { /* Avoid clock roll-over. */
626 printk(KERN_WARNING "%s: timeout waiting for Tx RDC.\n", dev->name);
627 ne2k_pci_reset_8390(dev);
632 outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
633 ei_status.dmaing &= ~0x01;
637 static void ne2k_pci_get_drvinfo(struct net_device *dev,
638 struct ethtool_drvinfo *info)
640 struct ei_device *ei = netdev_priv(dev);
641 struct pci_dev *pci_dev = (struct pci_dev *) ei->priv;
643 strcpy(info->driver, DRV_NAME);
644 strcpy(info->version, DRV_VERSION);
645 strcpy(info->bus_info, pci_name(pci_dev));
648 static const struct ethtool_ops ne2k_pci_ethtool_ops = {
649 .get_drvinfo = ne2k_pci_get_drvinfo,
652 static void __devexit ne2k_pci_remove_one (struct pci_dev *pdev)
654 struct net_device *dev = pci_get_drvdata(pdev);
657 unregister_netdev(dev);
658 release_region(dev->base_addr, NE_IO_EXTENT);
660 pci_disable_device(pdev);
661 pci_set_drvdata(pdev, NULL);
665 static int ne2k_pci_suspend (struct pci_dev *pdev, pm_message_t state)
667 struct net_device *dev = pci_get_drvdata (pdev);
669 netif_device_detach(dev);
670 pci_save_state(pdev);
671 pci_disable_device(pdev);
672 pci_set_power_state(pdev, pci_choose_state(pdev, state));
677 static int ne2k_pci_resume (struct pci_dev *pdev)
679 struct net_device *dev = pci_get_drvdata (pdev);
682 pci_set_power_state(pdev, 0);
683 pci_restore_state(pdev);
685 rc = pci_enable_device(pdev);
690 netif_device_attach(dev);
695 #endif /* CONFIG_PM */
698 static struct pci_driver ne2k_driver = {
700 .probe = ne2k_pci_init_one,
701 .remove = __devexit_p(ne2k_pci_remove_one),
702 .id_table = ne2k_pci_tbl,
704 .suspend = ne2k_pci_suspend,
705 .resume = ne2k_pci_resume,
706 #endif /* CONFIG_PM */
711 static int __init ne2k_pci_init(void)
713 /* when a module, this is printed whether or not devices are found in probe */
717 return pci_register_driver(&ne2k_driver);
721 static void __exit ne2k_pci_cleanup(void)
723 pci_unregister_driver (&ne2k_driver);
726 module_init(ne2k_pci_init);
727 module_exit(ne2k_pci_cleanup);