rt2x00: Store retry limit values
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / ne2k-pci.c
blob62f20ba211cb7d0b98f78df1c8cea83166e152a7
1 /* ne2k-pci.c: A NE2000 clone on PCI bus driver for Linux. */
2 /*
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
21 Annapolis MD 21403
23 Issues remaining:
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>
58 #include <asm/io.h>
59 #include <asm/irq.h>
60 #include <asm/uaccess.h>
62 #include "8390.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))
71 #endif
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. */
89 #define USE_LONGIO
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
97 enum {
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,
101 STOP_PG_0x60=0x100,
104 enum ne2k_pci_chipsets {
105 CH_RealTek_RTL_8029 = 0,
106 CH_Winbond_89C940,
107 CH_Compex_RL2000,
108 CH_KTI_ET32P2,
109 CH_NetVin_NV5000SC,
110 CH_Via_86C926,
111 CH_SureCom_NE34,
112 CH_Winbond_W89C940F,
113 CH_Holtek_HT80232,
114 CH_Holtek_HT80229,
115 CH_Winbond_89C940_8c4a,
119 static struct {
120 char *name;
121 int flags;
122 } pci_clone_list[] __devinitdata = {
123 {"RealTek RTL-8029", REALTEK_FDX},
124 {"Winbond 89C940", 0},
125 {"Compex RL2000", 0},
126 {"KTI ET32P2", 0},
127 {"NetVin NV5000SC", 0},
128 {"Via 86C926", ONLY_16BIT_IO},
129 {"SureCom NE34", 0},
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},
134 {NULL,}
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 },
150 { 0, }
152 MODULE_DEVICE_TABLE(pci, ne2k_pci_tbl);
155 /* ---- No user-serviceable parts below ---- */
157 #define NE_BASE (dev->base_addr)
158 #define NE_CMD 0x00
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,
172 int ring_page);
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.
203 static const struct net_device_ops ne2k_netdev_ops = {
204 .ndo_open = ne2k_pci_open,
205 .ndo_stop = ne2k_pci_close,
206 .ndo_start_xmit = ei_start_xmit,
207 .ndo_tx_timeout = ei_tx_timeout,
208 .ndo_get_stats = ei_get_stats,
209 .ndo_set_multicast_list = ei_set_multicast_list,
210 .ndo_validate_addr = eth_validate_addr,
211 .ndo_change_mtu = eth_change_mtu,
212 #ifdef CONFIG_NET_POLL_CONTROLLER
213 .ndo_poll_controller = ei_poll,
214 #endif
217 static int __devinit ne2k_pci_init_one (struct pci_dev *pdev,
218 const struct pci_device_id *ent)
220 struct net_device *dev;
221 int i;
222 unsigned char SA_prom[32];
223 int start_page, stop_page;
224 int irq, reg0, chip_idx = ent->driver_data;
225 static unsigned int fnd_cnt;
226 long ioaddr;
227 int flags = pci_clone_list[chip_idx].flags;
229 /* when built into the kernel, we only print version if device is found */
230 #ifndef MODULE
231 static int printed_version;
232 if (!printed_version++)
233 printk(version);
234 #endif
236 fnd_cnt++;
238 i = pci_enable_device (pdev);
239 if (i)
240 return i;
242 ioaddr = pci_resource_start (pdev, 0);
243 irq = pdev->irq;
245 if (!ioaddr || ((pci_resource_flags (pdev, 0) & IORESOURCE_IO) == 0)) {
246 dev_err(&pdev->dev, "no I/O resource at PCI BAR #0\n");
247 return -ENODEV;
250 if (request_region (ioaddr, NE_IO_EXTENT, DRV_NAME) == NULL) {
251 dev_err(&pdev->dev, "I/O resource 0x%x @ 0x%lx busy\n",
252 NE_IO_EXTENT, ioaddr);
253 return -EBUSY;
256 reg0 = inb(ioaddr);
257 if (reg0 == 0xFF)
258 goto err_out_free_res;
260 /* Do a preliminary verification that we have a 8390. */
262 int regd;
263 outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, ioaddr + E8390_CMD);
264 regd = inb(ioaddr + 0x0d);
265 outb(0xff, ioaddr + 0x0d);
266 outb(E8390_NODMA+E8390_PAGE0, ioaddr + E8390_CMD);
267 inb(ioaddr + EN0_COUNTER0); /* Clear the counter by reading. */
268 if (inb(ioaddr + EN0_COUNTER0) != 0) {
269 outb(reg0, ioaddr);
270 outb(regd, ioaddr + 0x0d); /* Restore the old values. */
271 goto err_out_free_res;
275 /* Allocate net_device, dev->priv; fill in 8390 specific dev fields. */
276 dev = alloc_ei_netdev();
277 if (!dev) {
278 dev_err(&pdev->dev, "cannot allocate ethernet device\n");
279 goto err_out_free_res;
281 dev->netdev_ops = &ne2k_netdev_ops;
283 SET_NETDEV_DEV(dev, &pdev->dev);
285 /* Reset card. Who knows what dain-bramaged state it was left in. */
287 unsigned long reset_start_time = jiffies;
289 outb(inb(ioaddr + NE_RESET), ioaddr + NE_RESET);
291 /* This looks like a horrible timing loop, but it should never take
292 more than a few cycles.
294 while ((inb(ioaddr + EN0_ISR) & ENISR_RESET) == 0)
295 /* Limit wait: '2' avoids jiffy roll-over. */
296 if (jiffies - reset_start_time > 2) {
297 dev_err(&pdev->dev,
298 "Card failure (no reset ack).\n");
299 goto err_out_free_netdev;
302 outb(0xff, ioaddr + EN0_ISR); /* Ack all intr. */
305 /* Read the 16 bytes of station address PROM.
306 We must first initialize registers, similar to NS8390_init(eifdev, 0).
307 We can't reliably read the SAPROM address without this.
308 (I learned the hard way!). */
310 struct {unsigned char value, offset; } program_seq[] = {
311 {E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/
312 {0x49, EN0_DCFG}, /* Set word-wide access. */
313 {0x00, EN0_RCNTLO}, /* Clear the count regs. */
314 {0x00, EN0_RCNTHI},
315 {0x00, EN0_IMR}, /* Mask completion irq. */
316 {0xFF, EN0_ISR},
317 {E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */
318 {E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */
319 {32, EN0_RCNTLO},
320 {0x00, EN0_RCNTHI},
321 {0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */
322 {0x00, EN0_RSARHI},
323 {E8390_RREAD+E8390_START, E8390_CMD},
325 for (i = 0; i < ARRAY_SIZE(program_seq); i++)
326 outb(program_seq[i].value, ioaddr + program_seq[i].offset);
330 /* Note: all PCI cards have at least 16 bit access, so we don't have
331 to check for 8 bit cards. Most cards permit 32 bit access. */
332 if (flags & ONLY_32BIT_IO) {
333 for (i = 0; i < 4 ; i++)
334 ((u32 *)SA_prom)[i] = le32_to_cpu(inl(ioaddr + NE_DATAPORT));
335 } else
336 for(i = 0; i < 32 /*sizeof(SA_prom)*/; i++)
337 SA_prom[i] = inb(ioaddr + NE_DATAPORT);
339 /* We always set the 8390 registers for word mode. */
340 outb(0x49, ioaddr + EN0_DCFG);
341 start_page = NESM_START_PG;
343 stop_page = flags & STOP_PG_0x60 ? 0x60 : NESM_STOP_PG;
345 /* Set up the rest of the parameters. */
346 dev->irq = irq;
347 dev->base_addr = ioaddr;
348 pci_set_drvdata(pdev, dev);
350 ei_status.name = pci_clone_list[chip_idx].name;
351 ei_status.tx_start_page = start_page;
352 ei_status.stop_page = stop_page;
353 ei_status.word16 = 1;
354 ei_status.ne2k_flags = flags;
355 if (fnd_cnt < MAX_UNITS) {
356 if (full_duplex[fnd_cnt] > 0 || (options[fnd_cnt] & FORCE_FDX))
357 ei_status.ne2k_flags |= FORCE_FDX;
360 ei_status.rx_start_page = start_page + TX_PAGES;
361 #ifdef PACKETBUF_MEMSIZE
362 /* Allow the packet buffer size to be overridden by know-it-alls. */
363 ei_status.stop_page = ei_status.tx_start_page + PACKETBUF_MEMSIZE;
364 #endif
366 ei_status.reset_8390 = &ne2k_pci_reset_8390;
367 ei_status.block_input = &ne2k_pci_block_input;
368 ei_status.block_output = &ne2k_pci_block_output;
369 ei_status.get_8390_hdr = &ne2k_pci_get_8390_hdr;
370 ei_status.priv = (unsigned long) pdev;
372 dev->ethtool_ops = &ne2k_pci_ethtool_ops;
373 NS8390_init(dev, 0);
375 i = register_netdev(dev);
376 if (i)
377 goto err_out_free_netdev;
379 for(i = 0; i < 6; i++)
380 dev->dev_addr[i] = SA_prom[i];
381 printk("%s: %s found at %#lx, IRQ %d, %pM.\n",
382 dev->name, pci_clone_list[chip_idx].name, ioaddr, dev->irq,
383 dev->dev_addr);
385 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
387 return 0;
389 err_out_free_netdev:
390 free_netdev (dev);
391 err_out_free_res:
392 release_region (ioaddr, NE_IO_EXTENT);
393 pci_set_drvdata (pdev, NULL);
394 return -ENODEV;
399 * Magic incantation sequence for full duplex on the supported cards.
401 static inline int set_realtek_fdx(struct net_device *dev)
403 long ioaddr = dev->base_addr;
405 outb(0xC0 + E8390_NODMA, ioaddr + NE_CMD); /* Page 3 */
406 outb(0xC0, ioaddr + 0x01); /* Enable writes to CONFIG3 */
407 outb(0x40, ioaddr + 0x06); /* Enable full duplex */
408 outb(0x00, ioaddr + 0x01); /* Disable writes to CONFIG3 */
409 outb(E8390_PAGE0 + E8390_NODMA, ioaddr + NE_CMD); /* Page 0 */
410 return 0;
413 static inline int set_holtek_fdx(struct net_device *dev)
415 long ioaddr = dev->base_addr;
417 outb(inb(ioaddr + 0x20) | 0x80, ioaddr + 0x20);
418 return 0;
421 static int ne2k_pci_set_fdx(struct net_device *dev)
423 if (ei_status.ne2k_flags & REALTEK_FDX)
424 return set_realtek_fdx(dev);
425 else if (ei_status.ne2k_flags & HOLTEK_FDX)
426 return set_holtek_fdx(dev);
428 return -EOPNOTSUPP;
431 static int ne2k_pci_open(struct net_device *dev)
433 int ret = request_irq(dev->irq, ei_interrupt, IRQF_SHARED, dev->name, dev);
434 if (ret)
435 return ret;
437 if (ei_status.ne2k_flags & FORCE_FDX)
438 ne2k_pci_set_fdx(dev);
440 ei_open(dev);
441 return 0;
444 static int ne2k_pci_close(struct net_device *dev)
446 ei_close(dev);
447 free_irq(dev->irq, dev);
448 return 0;
451 /* Hard reset the card. This used to pause for the same period that a
452 8390 reset command required, but that shouldn't be necessary. */
453 static void ne2k_pci_reset_8390(struct net_device *dev)
455 unsigned long reset_start_time = jiffies;
457 if (debug > 1) printk("%s: Resetting the 8390 t=%ld...",
458 dev->name, jiffies);
460 outb(inb(NE_BASE + NE_RESET), NE_BASE + NE_RESET);
462 ei_status.txing = 0;
463 ei_status.dmaing = 0;
465 /* This check _should_not_ be necessary, omit eventually. */
466 while ((inb(NE_BASE+EN0_ISR) & ENISR_RESET) == 0)
467 if (jiffies - reset_start_time > 2) {
468 printk("%s: ne2k_pci_reset_8390() did not complete.\n", dev->name);
469 break;
471 outb(ENISR_RESET, NE_BASE + EN0_ISR); /* Ack intr. */
474 /* Grab the 8390 specific header. Similar to the block_input routine, but
475 we don't need to be concerned with ring wrap as the header will be at
476 the start of a page, so we optimize accordingly. */
478 static void ne2k_pci_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
481 long nic_base = dev->base_addr;
483 /* This *shouldn't* happen. If it does, it's the last thing you'll see */
484 if (ei_status.dmaing) {
485 printk("%s: DMAing conflict in ne2k_pci_get_8390_hdr "
486 "[DMAstat:%d][irqlock:%d].\n",
487 dev->name, ei_status.dmaing, ei_status.irqlock);
488 return;
491 ei_status.dmaing |= 0x01;
492 outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
493 outb(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO);
494 outb(0, nic_base + EN0_RCNTHI);
495 outb(0, nic_base + EN0_RSARLO); /* On page boundary */
496 outb(ring_page, nic_base + EN0_RSARHI);
497 outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
499 if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
500 insw(NE_BASE + NE_DATAPORT, hdr, sizeof(struct e8390_pkt_hdr)>>1);
501 } else {
502 *(u32*)hdr = le32_to_cpu(inl(NE_BASE + NE_DATAPORT));
503 le16_to_cpus(&hdr->count);
506 outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
507 ei_status.dmaing &= ~0x01;
510 /* Block input and output, similar to the Crynwr packet driver. If you
511 are porting to a new ethercard, look at the packet driver source for hints.
512 The NEx000 doesn't share the on-board packet memory -- you have to put
513 the packet out through the "remote DMA" dataport using outb. */
515 static void ne2k_pci_block_input(struct net_device *dev, int count,
516 struct sk_buff *skb, int ring_offset)
518 long nic_base = dev->base_addr;
519 char *buf = skb->data;
521 /* This *shouldn't* happen. If it does, it's the last thing you'll see */
522 if (ei_status.dmaing) {
523 printk("%s: DMAing conflict in ne2k_pci_block_input "
524 "[DMAstat:%d][irqlock:%d].\n",
525 dev->name, ei_status.dmaing, ei_status.irqlock);
526 return;
528 ei_status.dmaing |= 0x01;
529 if (ei_status.ne2k_flags & ONLY_32BIT_IO)
530 count = (count + 3) & 0xFFFC;
531 outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
532 outb(count & 0xff, nic_base + EN0_RCNTLO);
533 outb(count >> 8, nic_base + EN0_RCNTHI);
534 outb(ring_offset & 0xff, nic_base + EN0_RSARLO);
535 outb(ring_offset >> 8, nic_base + EN0_RSARHI);
536 outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
538 if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
539 insw(NE_BASE + NE_DATAPORT,buf,count>>1);
540 if (count & 0x01) {
541 buf[count-1] = inb(NE_BASE + NE_DATAPORT);
543 } else {
544 insl(NE_BASE + NE_DATAPORT, buf, count>>2);
545 if (count & 3) {
546 buf += count & ~3;
547 if (count & 2) {
548 __le16 *b = (__le16 *)buf;
550 *b++ = cpu_to_le16(inw(NE_BASE + NE_DATAPORT));
551 buf = (char *)b;
553 if (count & 1)
554 *buf = inb(NE_BASE + NE_DATAPORT);
558 outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
559 ei_status.dmaing &= ~0x01;
562 static void ne2k_pci_block_output(struct net_device *dev, int count,
563 const unsigned char *buf, const int start_page)
565 long nic_base = NE_BASE;
566 unsigned long dma_start;
568 /* On little-endian it's always safe to round the count up for
569 word writes. */
570 if (ei_status.ne2k_flags & ONLY_32BIT_IO)
571 count = (count + 3) & 0xFFFC;
572 else
573 if (count & 0x01)
574 count++;
576 /* This *shouldn't* happen. If it does, it's the last thing you'll see */
577 if (ei_status.dmaing) {
578 printk("%s: DMAing conflict in ne2k_pci_block_output."
579 "[DMAstat:%d][irqlock:%d]\n",
580 dev->name, ei_status.dmaing, ei_status.irqlock);
581 return;
583 ei_status.dmaing |= 0x01;
584 /* We should already be in page 0, but to be safe... */
585 outb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD);
587 #ifdef NE8390_RW_BUGFIX
588 /* Handle the read-before-write bug the same way as the
589 Crynwr packet driver -- the NatSemi method doesn't work.
590 Actually this doesn't always work either, but if you have
591 problems with your NEx000 this is better than nothing! */
592 outb(0x42, nic_base + EN0_RCNTLO);
593 outb(0x00, nic_base + EN0_RCNTHI);
594 outb(0x42, nic_base + EN0_RSARLO);
595 outb(0x00, nic_base + EN0_RSARHI);
596 outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
597 #endif
598 outb(ENISR_RDC, nic_base + EN0_ISR);
600 /* Now the normal output. */
601 outb(count & 0xff, nic_base + EN0_RCNTLO);
602 outb(count >> 8, nic_base + EN0_RCNTHI);
603 outb(0x00, nic_base + EN0_RSARLO);
604 outb(start_page, nic_base + EN0_RSARHI);
605 outb(E8390_RWRITE+E8390_START, nic_base + NE_CMD);
606 if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
607 outsw(NE_BASE + NE_DATAPORT, buf, count>>1);
608 } else {
609 outsl(NE_BASE + NE_DATAPORT, buf, count>>2);
610 if (count & 3) {
611 buf += count & ~3;
612 if (count & 2) {
613 __le16 *b = (__le16 *)buf;
615 outw(le16_to_cpu(*b++), NE_BASE + NE_DATAPORT);
616 buf = (char *)b;
621 dma_start = jiffies;
623 while ((inb(nic_base + EN0_ISR) & ENISR_RDC) == 0)
624 if (jiffies - dma_start > 2) { /* Avoid clock roll-over. */
625 printk(KERN_WARNING "%s: timeout waiting for Tx RDC.\n", dev->name);
626 ne2k_pci_reset_8390(dev);
627 NS8390_init(dev,1);
628 break;
631 outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
632 ei_status.dmaing &= ~0x01;
633 return;
636 static void ne2k_pci_get_drvinfo(struct net_device *dev,
637 struct ethtool_drvinfo *info)
639 struct ei_device *ei = netdev_priv(dev);
640 struct pci_dev *pci_dev = (struct pci_dev *) ei->priv;
642 strcpy(info->driver, DRV_NAME);
643 strcpy(info->version, DRV_VERSION);
644 strcpy(info->bus_info, pci_name(pci_dev));
647 static const struct ethtool_ops ne2k_pci_ethtool_ops = {
648 .get_drvinfo = ne2k_pci_get_drvinfo,
651 static void __devexit ne2k_pci_remove_one (struct pci_dev *pdev)
653 struct net_device *dev = pci_get_drvdata(pdev);
655 BUG_ON(!dev);
656 unregister_netdev(dev);
657 release_region(dev->base_addr, NE_IO_EXTENT);
658 free_netdev(dev);
659 pci_disable_device(pdev);
660 pci_set_drvdata(pdev, NULL);
663 #ifdef CONFIG_PM
664 static int ne2k_pci_suspend (struct pci_dev *pdev, pm_message_t state)
666 struct net_device *dev = pci_get_drvdata (pdev);
668 netif_device_detach(dev);
669 pci_save_state(pdev);
670 pci_disable_device(pdev);
671 pci_set_power_state(pdev, pci_choose_state(pdev, state));
673 return 0;
676 static int ne2k_pci_resume (struct pci_dev *pdev)
678 struct net_device *dev = pci_get_drvdata (pdev);
679 int rc;
681 pci_set_power_state(pdev, 0);
682 pci_restore_state(pdev);
684 rc = pci_enable_device(pdev);
685 if (rc)
686 return rc;
688 NS8390_init(dev, 1);
689 netif_device_attach(dev);
691 return 0;
694 #endif /* CONFIG_PM */
697 static struct pci_driver ne2k_driver = {
698 .name = DRV_NAME,
699 .probe = ne2k_pci_init_one,
700 .remove = __devexit_p(ne2k_pci_remove_one),
701 .id_table = ne2k_pci_tbl,
702 #ifdef CONFIG_PM
703 .suspend = ne2k_pci_suspend,
704 .resume = ne2k_pci_resume,
705 #endif /* CONFIG_PM */
710 static int __init ne2k_pci_init(void)
712 /* when a module, this is printed whether or not devices are found in probe */
713 #ifdef MODULE
714 printk(version);
715 #endif
716 return pci_register_driver(&ne2k_driver);
720 static void __exit ne2k_pci_cleanup(void)
722 pci_unregister_driver (&ne2k_driver);
725 module_init(ne2k_pci_init);
726 module_exit(ne2k_pci_cleanup);