2 * wanXL serial card driver for Linux
5 * Copyright (C) 2003 Krzysztof Halasa <khc@pm.waw.pl>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of version 2 of the GNU General Public License
9 * as published by the Free Software Foundation.
12 * - Only DTE (external clock) support with NRZ and NRZI encodings
13 * - wanXL100 will require minor driver modifications, no access to hw
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/slab.h>
19 #include <linux/sched.h>
20 #include <linux/types.h>
21 #include <linux/fcntl.h>
22 #include <linux/string.h>
23 #include <linux/errno.h>
24 #include <linux/init.h>
25 #include <linux/ioport.h>
26 #include <linux/netdevice.h>
27 #include <linux/hdlc.h>
28 #include <linux/pci.h>
29 #include <linux/dma-mapping.h>
30 #include <linux/delay.h>
35 static const char* version = "wanXL serial card driver version: 0.48";
37 #define PLX_CTL_RESET 0x40000000 /* adapter reset */
42 /* MAILBOX #1 - PUTS COMMANDS */
43 #define MBX1_CMD_ABORTJ 0x85000000 /* Abort and Jump */
44 #ifdef __LITTLE_ENDIAN
45 #define MBX1_CMD_BSWAP 0x8C000001 /* little-endian Byte Swap Mode */
47 #define MBX1_CMD_BSWAP 0x8C000000 /* big-endian Byte Swap Mode */
50 /* MAILBOX #2 - DRAM SIZE */
51 #define MBX2_MEMSZ_MASK 0xFFFF0000 /* PUTS Memory Size Register mask */
55 struct net_device *dev;
57 spinlock_t lock; /* for wanxl_xmit */
58 int node; /* physical port #0 - 3 */
59 unsigned int clock_type;
61 struct sk_buff *tx_skbs[TX_BUFFERS];
66 desc_t rx_descs[RX_QUEUE_LENGTH];
67 port_status_t port_status[4];
71 typedef struct card_t {
72 int n_ports; /* 1, 2 or 4 ports */
75 u8 __iomem *plx; /* PLX PCI9060 virtual base address */
76 struct pci_dev *pdev; /* for pci_name(pdev) */
78 struct sk_buff *rx_skbs[RX_QUEUE_LENGTH];
79 card_status_t *status; /* shared between host and card */
80 dma_addr_t status_address;
81 port_t ports[0]; /* 1 - 4 port_t structures follow */
86 static inline port_t* dev_to_port(struct net_device *dev)
88 return (port_t *)dev_to_hdlc(dev)->priv;
92 static inline port_status_t* get_status(port_t *port)
94 return &port->card->status->port_status[port->node];
99 static inline dma_addr_t pci_map_single_debug(struct pci_dev *pdev, void *ptr,
100 size_t size, int direction)
102 dma_addr_t addr = pci_map_single(pdev, ptr, size, direction);
103 if (addr + size > 0x100000000LL)
104 printk(KERN_CRIT "wanXL %s: pci_map_single() returned memory"
105 " at 0x%LX!\n", pci_name(pdev),
106 (unsigned long long)addr);
110 #undef pci_map_single
111 #define pci_map_single pci_map_single_debug
115 /* Cable and/or personality module change interrupt service */
116 static inline void wanxl_cable_intr(port_t *port)
118 u32 value = get_status(port)->cable;
120 const char *cable, *pm, *dte = "", *dsr = "", *dcd = "";
122 switch(value & 0x7) {
123 case STATUS_CABLE_V35: cable = "V.35"; break;
124 case STATUS_CABLE_X21: cable = "X.21"; break;
125 case STATUS_CABLE_V24: cable = "V.24"; break;
126 case STATUS_CABLE_EIA530: cable = "EIA530"; break;
127 case STATUS_CABLE_NONE: cable = "no"; break;
128 default: cable = "invalid";
131 switch((value >> STATUS_CABLE_PM_SHIFT) & 0x7) {
132 case STATUS_CABLE_V35: pm = "V.35"; break;
133 case STATUS_CABLE_X21: pm = "X.21"; break;
134 case STATUS_CABLE_V24: pm = "V.24"; break;
135 case STATUS_CABLE_EIA530: pm = "EIA530"; break;
136 case STATUS_CABLE_NONE: pm = "no personality"; valid = 0; break;
137 default: pm = "invalid personality"; valid = 0;
141 if ((value & 7) == ((value >> STATUS_CABLE_PM_SHIFT) & 7)) {
142 dsr = (value & STATUS_CABLE_DSR) ? ", DSR ON" :
144 dcd = (value & STATUS_CABLE_DCD) ? ", carrier ON" :
147 dte = (value & STATUS_CABLE_DCE) ? " DCE" : " DTE";
149 printk(KERN_INFO "%s: %s%s module, %s cable%s%s\n",
150 port->dev->name, pm, dte, cable, dsr, dcd);
152 if (value & STATUS_CABLE_DCD)
153 netif_carrier_on(port->dev);
155 netif_carrier_off(port->dev);
160 /* Transmit complete interrupt service */
161 static inline void wanxl_tx_intr(port_t *port)
163 struct net_device *dev = port->dev;
165 desc_t *desc = &get_status(port)->tx_descs[port->tx_in];
166 struct sk_buff *skb = port->tx_skbs[port->tx_in];
168 switch (desc->stat) {
171 netif_wake_queue(dev);
174 case PACKET_UNDERRUN:
175 dev->stats.tx_errors++;
176 dev->stats.tx_fifo_errors++;
180 dev->stats.tx_packets++;
181 dev->stats.tx_bytes += skb->len;
183 desc->stat = PACKET_EMPTY; /* Free descriptor */
184 pci_unmap_single(port->card->pdev, desc->address, skb->len,
186 dev_kfree_skb_irq(skb);
187 port->tx_in = (port->tx_in + 1) % TX_BUFFERS;
193 /* Receive complete interrupt service */
194 static inline void wanxl_rx_intr(card_t *card)
197 while (desc = &card->status->rx_descs[card->rx_in],
198 desc->stat != PACKET_EMPTY) {
199 if ((desc->stat & PACKET_PORT_MASK) > card->n_ports)
200 printk(KERN_CRIT "wanXL %s: received packet for"
201 " nonexistent port\n", pci_name(card->pdev));
203 struct sk_buff *skb = card->rx_skbs[card->rx_in];
204 port_t *port = &card->ports[desc->stat &
206 struct net_device *dev = port->dev;
209 dev->stats.rx_dropped++;
211 pci_unmap_single(card->pdev, desc->address,
214 skb_put(skb, desc->length);
217 printk(KERN_DEBUG "%s RX(%i):", dev->name,
221 dev->stats.rx_packets++;
222 dev->stats.rx_bytes += skb->len;
223 dev->last_rx = jiffies;
224 skb->protocol = hdlc_type_trans(skb, dev);
230 skb = dev_alloc_skb(BUFFER_LENGTH);
231 desc->address = skb ?
232 pci_map_single(card->pdev, skb->data,
234 PCI_DMA_FROMDEVICE) : 0;
235 card->rx_skbs[card->rx_in] = skb;
238 desc->stat = PACKET_EMPTY; /* Free descriptor */
239 card->rx_in = (card->rx_in + 1) % RX_QUEUE_LENGTH;
245 static irqreturn_t wanxl_intr(int irq, void* dev_id)
247 card_t *card = dev_id;
253 while((stat = readl(card->plx + PLX_DOORBELL_FROM_CARD)) != 0) {
255 writel(stat, card->plx + PLX_DOORBELL_FROM_CARD);
257 for (i = 0; i < card->n_ports; i++) {
258 if (stat & (1 << (DOORBELL_FROM_CARD_TX_0 + i)))
259 wanxl_tx_intr(&card->ports[i]);
260 if (stat & (1 << (DOORBELL_FROM_CARD_CABLE_0 + i)))
261 wanxl_cable_intr(&card->ports[i]);
263 if (stat & (1 << DOORBELL_FROM_CARD_RX))
267 return IRQ_RETVAL(handled);
272 static int wanxl_xmit(struct sk_buff *skb, struct net_device *dev)
274 port_t *port = dev_to_port(dev);
277 spin_lock(&port->lock);
279 desc = &get_status(port)->tx_descs[port->tx_out];
280 if (desc->stat != PACKET_EMPTY) {
281 /* should never happen - previous xmit should stop queue */
283 printk(KERN_DEBUG "%s: transmitter buffer full\n", dev->name);
285 netif_stop_queue(dev);
286 spin_unlock_irq(&port->lock);
287 return 1; /* request packet to be queued */
291 printk(KERN_DEBUG "%s TX(%i):", dev->name, skb->len);
295 port->tx_skbs[port->tx_out] = skb;
296 desc->address = pci_map_single(port->card->pdev, skb->data, skb->len,
298 desc->length = skb->len;
299 desc->stat = PACKET_FULL;
300 writel(1 << (DOORBELL_TO_CARD_TX_0 + port->node),
301 port->card->plx + PLX_DOORBELL_TO_CARD);
302 dev->trans_start = jiffies;
304 port->tx_out = (port->tx_out + 1) % TX_BUFFERS;
306 if (get_status(port)->tx_descs[port->tx_out].stat != PACKET_EMPTY) {
307 netif_stop_queue(dev);
309 printk(KERN_DEBUG "%s: transmitter buffer full\n", dev->name);
313 spin_unlock(&port->lock);
319 static int wanxl_attach(struct net_device *dev, unsigned short encoding,
320 unsigned short parity)
322 port_t *port = dev_to_port(dev);
324 if (encoding != ENCODING_NRZ &&
325 encoding != ENCODING_NRZI)
328 if (parity != PARITY_NONE &&
329 parity != PARITY_CRC32_PR1_CCITT &&
330 parity != PARITY_CRC16_PR1_CCITT &&
331 parity != PARITY_CRC32_PR0_CCITT &&
332 parity != PARITY_CRC16_PR0_CCITT)
335 get_status(port)->encoding = encoding;
336 get_status(port)->parity = parity;
342 static int wanxl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
344 const size_t size = sizeof(sync_serial_settings);
345 sync_serial_settings line;
346 port_t *port = dev_to_port(dev);
348 if (cmd != SIOCWANDEV)
349 return hdlc_ioctl(dev, ifr, cmd);
351 switch (ifr->ifr_settings.type) {
353 ifr->ifr_settings.type = IF_IFACE_SYNC_SERIAL;
354 if (ifr->ifr_settings.size < size) {
355 ifr->ifr_settings.size = size; /* data size wanted */
358 line.clock_type = get_status(port)->clocking;
362 if (copy_to_user(ifr->ifr_settings.ifs_ifsu.sync, &line, size))
366 case IF_IFACE_SYNC_SERIAL:
367 if (!capable(CAP_NET_ADMIN))
369 if (dev->flags & IFF_UP)
372 if (copy_from_user(&line, ifr->ifr_settings.ifs_ifsu.sync,
376 if (line.clock_type != CLOCK_EXT &&
377 line.clock_type != CLOCK_TXFROMRX)
378 return -EINVAL; /* No such clock setting */
380 if (line.loopback != 0)
383 get_status(port)->clocking = line.clock_type;
387 return hdlc_ioctl(dev, ifr, cmd);
393 static int wanxl_open(struct net_device *dev)
395 port_t *port = dev_to_port(dev);
396 u8 __iomem *dbr = port->card->plx + PLX_DOORBELL_TO_CARD;
397 unsigned long timeout;
400 if (get_status(port)->open) {
401 printk(KERN_ERR "%s: port already open\n", dev->name);
404 if ((i = hdlc_open(dev)) != 0)
407 port->tx_in = port->tx_out = 0;
408 for (i = 0; i < TX_BUFFERS; i++)
409 get_status(port)->tx_descs[i].stat = PACKET_EMPTY;
410 /* signal the card */
411 writel(1 << (DOORBELL_TO_CARD_OPEN_0 + port->node), dbr);
413 timeout = jiffies + HZ;
415 if (get_status(port)->open) {
416 netif_start_queue(dev);
419 while (time_after(timeout, jiffies));
421 printk(KERN_ERR "%s: unable to open port\n", dev->name);
422 /* ask the card to close the port, should it be still alive */
423 writel(1 << (DOORBELL_TO_CARD_CLOSE_0 + port->node), dbr);
429 static int wanxl_close(struct net_device *dev)
431 port_t *port = dev_to_port(dev);
432 unsigned long timeout;
436 /* signal the card */
437 writel(1 << (DOORBELL_TO_CARD_CLOSE_0 + port->node),
438 port->card->plx + PLX_DOORBELL_TO_CARD);
440 timeout = jiffies + HZ;
442 if (!get_status(port)->open)
444 while (time_after(timeout, jiffies));
446 if (get_status(port)->open)
447 printk(KERN_ERR "%s: unable to close port\n", dev->name);
449 netif_stop_queue(dev);
451 for (i = 0; i < TX_BUFFERS; i++) {
452 desc_t *desc = &get_status(port)->tx_descs[i];
454 if (desc->stat != PACKET_EMPTY) {
455 desc->stat = PACKET_EMPTY;
456 pci_unmap_single(port->card->pdev, desc->address,
457 port->tx_skbs[i]->len,
459 dev_kfree_skb(port->tx_skbs[i]);
467 static struct net_device_stats *wanxl_get_stats(struct net_device *dev)
469 port_t *port = dev_to_port(dev);
471 dev->stats.rx_over_errors = get_status(port)->rx_overruns;
472 dev->stats.rx_frame_errors = get_status(port)->rx_frame_errors;
473 dev->stats.rx_errors = dev->stats.rx_over_errors +
474 dev->stats.rx_frame_errors;
480 static int wanxl_puts_command(card_t *card, u32 cmd)
482 unsigned long timeout = jiffies + 5 * HZ;
484 writel(cmd, card->plx + PLX_MAILBOX_1);
486 if (readl(card->plx + PLX_MAILBOX_1) == 0)
490 }while (time_after(timeout, jiffies));
497 static void wanxl_reset(card_t *card)
499 u32 old_value = readl(card->plx + PLX_CONTROL) & ~PLX_CTL_RESET;
501 writel(0x80, card->plx + PLX_MAILBOX_0);
502 writel(old_value | PLX_CTL_RESET, card->plx + PLX_CONTROL);
503 readl(card->plx + PLX_CONTROL); /* wait for posted write */
505 writel(old_value, card->plx + PLX_CONTROL);
506 readl(card->plx + PLX_CONTROL); /* wait for posted write */
511 static void wanxl_pci_remove_one(struct pci_dev *pdev)
513 card_t *card = pci_get_drvdata(pdev);
516 for (i = 0; i < card->n_ports; i++) {
517 unregister_hdlc_device(card->ports[i].dev);
518 free_netdev(card->ports[i].dev);
521 /* unregister and free all host resources */
523 free_irq(card->irq, card);
527 for (i = 0; i < RX_QUEUE_LENGTH; i++)
528 if (card->rx_skbs[i]) {
529 pci_unmap_single(card->pdev,
530 card->status->rx_descs[i].address,
531 BUFFER_LENGTH, PCI_DMA_FROMDEVICE);
532 dev_kfree_skb(card->rx_skbs[i]);
539 pci_free_consistent(pdev, sizeof(card_status_t),
540 card->status, card->status_address);
542 pci_release_regions(pdev);
543 pci_disable_device(pdev);
544 pci_set_drvdata(pdev, NULL);
549 #include "wanxlfw.inc"
551 static int __devinit wanxl_pci_init_one(struct pci_dev *pdev,
552 const struct pci_device_id *ent)
556 unsigned long timeout;
557 u32 plx_phy; /* PLX PCI base address */
558 u32 mem_phy; /* memory PCI base addr */
559 u8 __iomem *mem; /* memory virtual base addr */
560 int i, ports, alloc_size;
563 static int printed_version;
564 if (!printed_version) {
566 printk(KERN_INFO "%s\n", version);
570 i = pci_enable_device(pdev);
574 /* QUICC can only access first 256 MB of host RAM directly,
575 but PLX9060 DMA does 32-bits for actual packet data transfers */
577 /* FIXME when PCI/DMA subsystems are fixed.
578 We set both dma_mask and consistent_dma_mask to 28 bits
579 and pray pci_alloc_consistent() will use this info. It should
580 work on most platforms */
581 if (pci_set_consistent_dma_mask(pdev, DMA_28BIT_MASK) ||
582 pci_set_dma_mask(pdev, DMA_28BIT_MASK)) {
583 printk(KERN_ERR "wanXL: No usable DMA configuration\n");
587 i = pci_request_regions(pdev, "wanXL");
589 pci_disable_device(pdev);
593 switch (pdev->device) {
594 case PCI_DEVICE_ID_SBE_WANXL100: ports = 1; break;
595 case PCI_DEVICE_ID_SBE_WANXL200: ports = 2; break;
599 alloc_size = sizeof(card_t) + ports * sizeof(port_t);
600 card = kzalloc(alloc_size, GFP_KERNEL);
602 printk(KERN_ERR "wanXL %s: unable to allocate memory\n",
604 pci_release_regions(pdev);
605 pci_disable_device(pdev);
609 pci_set_drvdata(pdev, card);
612 card->status = pci_alloc_consistent(pdev, sizeof(card_status_t),
613 &card->status_address);
614 if (card->status == NULL) {
615 wanxl_pci_remove_one(pdev);
620 printk(KERN_DEBUG "wanXL %s: pci_alloc_consistent() returned memory"
621 " at 0x%LX\n", pci_name(pdev),
622 (unsigned long long)card->status_address);
625 /* FIXME when PCI/DMA subsystems are fixed.
626 We set both dma_mask and consistent_dma_mask back to 32 bits
627 to indicate the card can do 32-bit DMA addressing */
628 if (pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK) ||
629 pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
630 printk(KERN_ERR "wanXL: No usable DMA configuration\n");
631 wanxl_pci_remove_one(pdev);
635 /* set up PLX mapping */
636 plx_phy = pci_resource_start(pdev, 0);
638 card->plx = ioremap_nocache(plx_phy, 0x70);
640 printk(KERN_ERR "wanxl: ioremap() failed\n");
641 wanxl_pci_remove_one(pdev);
645 #if RESET_WHILE_LOADING
649 timeout = jiffies + 20 * HZ;
650 while ((stat = readl(card->plx + PLX_MAILBOX_0)) != 0) {
651 if (time_before(timeout, jiffies)) {
652 printk(KERN_WARNING "wanXL %s: timeout waiting for"
653 " PUTS to complete\n", pci_name(pdev));
654 wanxl_pci_remove_one(pdev);
658 switch(stat & 0xC0) {
659 case 0x00: /* hmm - PUTS completed with non-zero code? */
660 case 0x80: /* PUTS still testing the hardware */
664 printk(KERN_WARNING "wanXL %s: PUTS test 0x%X"
665 " failed\n", pci_name(pdev), stat & 0x30);
666 wanxl_pci_remove_one(pdev);
673 /* get on-board memory size (PUTS detects no more than 4 MB) */
674 ramsize = readl(card->plx + PLX_MAILBOX_2) & MBX2_MEMSZ_MASK;
676 /* set up on-board RAM mapping */
677 mem_phy = pci_resource_start(pdev, 2);
680 /* sanity check the board's reported memory size */
681 if (ramsize < BUFFERS_ADDR +
682 (TX_BUFFERS + RX_BUFFERS) * BUFFER_LENGTH * ports) {
683 printk(KERN_WARNING "wanXL %s: no enough on-board RAM"
684 " (%u bytes detected, %u bytes required)\n",
685 pci_name(pdev), ramsize, BUFFERS_ADDR +
686 (TX_BUFFERS + RX_BUFFERS) * BUFFER_LENGTH * ports);
687 wanxl_pci_remove_one(pdev);
691 if (wanxl_puts_command(card, MBX1_CMD_BSWAP)) {
692 printk(KERN_WARNING "wanXL %s: unable to Set Byte Swap"
693 " Mode\n", pci_name(pdev));
694 wanxl_pci_remove_one(pdev);
698 for (i = 0; i < RX_QUEUE_LENGTH; i++) {
699 struct sk_buff *skb = dev_alloc_skb(BUFFER_LENGTH);
700 card->rx_skbs[i] = skb;
702 card->status->rx_descs[i].address =
703 pci_map_single(card->pdev, skb->data,
708 mem = ioremap_nocache(mem_phy, PDM_OFFSET + sizeof(firmware));
710 printk(KERN_ERR "wanxl: ioremap() failed\n");
711 wanxl_pci_remove_one(pdev);
715 for (i = 0; i < sizeof(firmware); i += 4)
716 writel(ntohl(*(__be32*)(firmware + i)), mem + PDM_OFFSET + i);
718 for (i = 0; i < ports; i++)
719 writel(card->status_address +
720 (void *)&card->status->port_status[i] -
721 (void *)card->status, mem + PDM_OFFSET + 4 + i * 4);
722 writel(card->status_address, mem + PDM_OFFSET + 20);
723 writel(PDM_OFFSET, mem);
726 writel(0, card->plx + PLX_MAILBOX_5);
728 if (wanxl_puts_command(card, MBX1_CMD_ABORTJ)) {
729 printk(KERN_WARNING "wanXL %s: unable to Abort and Jump\n",
731 wanxl_pci_remove_one(pdev);
736 timeout = jiffies + 5 * HZ;
738 if ((stat = readl(card->plx + PLX_MAILBOX_5)) != 0)
741 }while (time_after(timeout, jiffies));
744 printk(KERN_WARNING "wanXL %s: timeout while initializing card "
745 "firmware\n", pci_name(pdev));
746 wanxl_pci_remove_one(pdev);
754 printk(KERN_INFO "wanXL %s: at 0x%X, %u KB of RAM at 0x%X, irq %u\n",
755 pci_name(pdev), plx_phy, ramsize / 1024, mem_phy, pdev->irq);
758 if (request_irq(pdev->irq, wanxl_intr, IRQF_SHARED, "wanXL", card)) {
759 printk(KERN_WARNING "wanXL %s: could not allocate IRQ%i.\n",
760 pci_name(pdev), pdev->irq);
761 wanxl_pci_remove_one(pdev);
764 card->irq = pdev->irq;
766 for (i = 0; i < ports; i++) {
768 port_t *port = &card->ports[i];
769 struct net_device *dev = alloc_hdlcdev(port);
771 printk(KERN_ERR "wanXL %s: unable to allocate"
772 " memory\n", pci_name(pdev));
773 wanxl_pci_remove_one(pdev);
778 hdlc = dev_to_hdlc(dev);
779 spin_lock_init(&port->lock);
780 dev->tx_queue_len = 50;
781 dev->do_ioctl = wanxl_ioctl;
782 dev->open = wanxl_open;
783 dev->stop = wanxl_close;
784 hdlc->attach = wanxl_attach;
785 hdlc->xmit = wanxl_xmit;
786 dev->get_stats = wanxl_get_stats;
789 get_status(port)->clocking = CLOCK_EXT;
790 if (register_hdlc_device(dev)) {
791 printk(KERN_ERR "wanXL %s: unable to register hdlc"
792 " device\n", pci_name(pdev));
794 wanxl_pci_remove_one(pdev);
800 printk(KERN_INFO "wanXL %s: port", pci_name(pdev));
801 for (i = 0; i < ports; i++)
802 printk("%s #%i: %s", i ? "," : "", i,
803 card->ports[i].dev->name);
806 for (i = 0; i < ports; i++)
807 wanxl_cable_intr(&card->ports[i]); /* get carrier status etc.*/
812 static struct pci_device_id wanxl_pci_tbl[] __devinitdata = {
813 { PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_SBE_WANXL100, PCI_ANY_ID,
814 PCI_ANY_ID, 0, 0, 0 },
815 { PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_SBE_WANXL200, PCI_ANY_ID,
816 PCI_ANY_ID, 0, 0, 0 },
817 { PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_SBE_WANXL400, PCI_ANY_ID,
818 PCI_ANY_ID, 0, 0, 0 },
823 static struct pci_driver wanxl_pci_driver = {
825 .id_table = wanxl_pci_tbl,
826 .probe = wanxl_pci_init_one,
827 .remove = wanxl_pci_remove_one,
831 static int __init wanxl_init_module(void)
834 printk(KERN_INFO "%s\n", version);
836 return pci_register_driver(&wanxl_pci_driver);
839 static void __exit wanxl_cleanup_module(void)
841 pci_unregister_driver(&wanxl_pci_driver);
845 MODULE_AUTHOR("Krzysztof Halasa <khc@pm.waw.pl>");
846 MODULE_DESCRIPTION("SBE Inc. wanXL serial port driver");
847 MODULE_LICENSE("GPL v2");
848 MODULE_DEVICE_TABLE(pci, wanxl_pci_tbl);
850 module_init(wanxl_init_module);
851 module_exit(wanxl_cleanup_module);