1 /****************************************************************
3 Siano Mobile Silicon, Inc.
4 MDTV receiver kernel modules.
5 Copyright (C) 2005-2009, Uri Shkolnik, Anatoly Greenblat
7 This program is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 ****************************************************************/
22 #include "smscoreapi.h"
24 #include <linux/kernel.h>
25 #include <linux/init.h>
26 #include <linux/usb.h>
27 #include <linux/firmware.h>
28 #include <linux/slab.h>
29 #include <linux/module.h>
30 #include <media/media-device.h>
32 #include "sms-cards.h"
33 #include "smsendian.h"
35 #define USB1_BUFFER_SIZE 0x1000
36 #define USB2_BUFFER_SIZE 0x2000
38 #define MAX_BUFFERS 50
41 struct smsusb_device_t;
50 struct list_head entry;
51 struct smscore_buffer_t *cb;
52 struct smsusb_device_t *dev;
56 /* For the bottom half */
57 struct work_struct wq;
60 struct smsusb_device_t {
61 struct usb_device *udev;
62 struct smscore_device_t *coredev;
64 struct smsusb_urb_t surbs[MAX_URBS];
66 int response_alignment;
71 enum smsusb_state state;
74 static int smsusb_submit_urb(struct smsusb_device_t *dev,
75 struct smsusb_urb_t *surb);
78 * Completing URB's callback handler - bottom half (proccess context)
79 * submits the URB prepared on smsusb_onresponse()
81 static void do_submit_urb(struct work_struct *work)
83 struct smsusb_urb_t *surb = container_of(work, struct smsusb_urb_t, wq);
84 struct smsusb_device_t *dev = surb->dev;
86 smsusb_submit_urb(dev, surb);
90 * Completing URB's callback handler - top half (interrupt context)
91 * adds completing sms urb to the global surbs list and activtes the worker
93 * IMPORTANT - blocking functions must not be called from here !!!
95 * @param urb pointer to a completing urb object
97 static void smsusb_onresponse(struct urb *urb)
99 struct smsusb_urb_t *surb = (struct smsusb_urb_t *) urb->context;
100 struct smsusb_device_t *dev = surb->dev;
102 if (urb->status == -ESHUTDOWN) {
103 pr_err("error, urb status %d (-ESHUTDOWN), %d bytes\n",
104 urb->status, urb->actual_length);
108 if ((urb->actual_length > 0) && (urb->status == 0)) {
109 struct sms_msg_hdr *phdr = (struct sms_msg_hdr *)surb->cb->p;
111 smsendian_handle_message_header(phdr);
112 if (urb->actual_length >= phdr->msg_length) {
113 surb->cb->size = phdr->msg_length;
115 if (dev->response_alignment &&
116 (phdr->msg_flags & MSG_HDR_FLAG_SPLIT_MSG)) {
119 dev->response_alignment +
120 ((phdr->msg_flags >> 8) & 3);
123 if (((int) phdr->msg_length +
124 surb->cb->offset) > urb->actual_length) {
125 pr_err("invalid response msglen %d offset %d size %d\n",
129 goto exit_and_resubmit;
132 /* move buffer pointer and
133 * copy header to its new location */
134 memcpy((char *) phdr + surb->cb->offset,
135 phdr, sizeof(struct sms_msg_hdr));
137 surb->cb->offset = 0;
139 pr_debug("received %s(%d) size: %d\n",
140 smscore_translate_msg(phdr->msg_type),
141 phdr->msg_type, phdr->msg_length);
143 smsendian_handle_rx_message((struct sms_msg_data *) phdr);
145 smscore_onresponse(dev->coredev, surb->cb);
148 pr_err("invalid response msglen %d actual %d\n",
149 phdr->msg_length, urb->actual_length);
152 pr_err("error, urb status %d, %d bytes\n",
153 urb->status, urb->actual_length);
157 INIT_WORK(&surb->wq, do_submit_urb);
158 schedule_work(&surb->wq);
161 static int smsusb_submit_urb(struct smsusb_device_t *dev,
162 struct smsusb_urb_t *surb)
165 /* This function can sleep */
166 surb->cb = smscore_getbuffer(dev->coredev);
168 pr_err("smscore_getbuffer(...) returned NULL\n");
176 usb_rcvbulkpipe(dev->udev, dev->in_ep),
182 surb->urb.transfer_dma = surb->cb->phys;
183 surb->urb.transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
185 return usb_submit_urb(&surb->urb, GFP_ATOMIC);
188 static void smsusb_stop_streaming(struct smsusb_device_t *dev)
192 for (i = 0; i < MAX_URBS; i++) {
193 usb_kill_urb(&dev->surbs[i].urb);
195 if (dev->surbs[i].cb) {
196 smscore_putbuffer(dev->coredev, dev->surbs[i].cb);
197 dev->surbs[i].cb = NULL;
202 static int smsusb_start_streaming(struct smsusb_device_t *dev)
206 for (i = 0; i < MAX_URBS; i++) {
207 rc = smsusb_submit_urb(dev, &dev->surbs[i]);
209 pr_err("smsusb_submit_urb(...) failed\n");
210 smsusb_stop_streaming(dev);
218 static int smsusb_sendrequest(void *context, void *buffer, size_t size)
220 struct smsusb_device_t *dev = (struct smsusb_device_t *) context;
221 struct sms_msg_hdr *phdr;
224 if (dev->state != SMSUSB_ACTIVE) {
225 pr_debug("Device not active yet\n");
229 phdr = kmalloc(size, GFP_KERNEL);
232 memcpy(phdr, buffer, size);
234 pr_debug("sending %s(%d) size: %d\n",
235 smscore_translate_msg(phdr->msg_type), phdr->msg_type,
238 smsendian_handle_tx_message((struct sms_msg_data *) phdr);
239 smsendian_handle_message_header((struct sms_msg_hdr *)phdr);
240 ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2),
241 phdr, size, &dummy, 1000);
247 static char *smsusb1_fw_lkup[] = {
255 static inline char *sms_get_fw_name(int mode, int board_id)
257 char **fw = sms_get_board(board_id)->fw;
258 return (fw && fw[mode]) ? fw[mode] : smsusb1_fw_lkup[mode];
261 static int smsusb1_load_firmware(struct usb_device *udev, int id, int board_id)
263 const struct firmware *fw;
269 id = sms_get_board(board_id)->default_mode;
271 if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA) {
272 pr_err("invalid firmware id specified %d\n", id);
276 fw_filename = sms_get_fw_name(id, board_id);
278 rc = reject_firmware(&fw, fw_filename, &udev->dev);
280 pr_warn("failed to open '%s' mode %d, trying again with default firmware\n",
283 fw_filename = smsusb1_fw_lkup[id];
284 rc = reject_firmware(&fw, fw_filename, &udev->dev);
286 pr_warn("failed to open '%s' mode %d\n",
293 fw_buffer = kmalloc(fw->size, GFP_KERNEL);
295 memcpy(fw_buffer, fw->data, fw->size);
297 rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2),
298 fw_buffer, fw->size, &dummy, 1000);
300 pr_debug("sent %zu(%d) bytes, rc %d\n", fw->size, dummy, rc);
304 pr_err("failed to allocate firmware buffer\n");
307 pr_debug("read FW %s, size=%zu\n", fw_filename, fw->size);
309 release_firmware(fw);
314 static void smsusb1_detectmode(void *context, int *mode)
316 char *product_string =
317 ((struct smsusb_device_t *) context)->udev->product;
319 *mode = DEVICE_MODE_NONE;
321 if (!product_string) {
322 product_string = "none";
323 pr_err("product string not found\n");
324 } else if (strstr(product_string, "DVBH"))
326 else if (strstr(product_string, "BDA"))
328 else if (strstr(product_string, "DVBT"))
330 else if (strstr(product_string, "TDMB"))
333 pr_debug("%d \"%s\"\n", *mode, product_string);
336 static int smsusb1_setmode(void *context, int mode)
338 struct sms_msg_hdr msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK,
339 sizeof(struct sms_msg_hdr), 0 };
341 if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) {
342 pr_err("invalid firmware id specified %d\n", mode);
346 return smsusb_sendrequest(context, &msg, sizeof(msg));
349 static void smsusb_term_device(struct usb_interface *intf)
351 struct smsusb_device_t *dev = usb_get_intfdata(intf);
354 dev->state = SMSUSB_DISCONNECTED;
356 smsusb_stop_streaming(dev);
358 /* unregister from smscore */
360 smscore_unregister_device(dev->coredev);
362 pr_debug("device 0x%p destroyed\n", dev);
366 usb_set_intfdata(intf, NULL);
369 static void *siano_media_device_register(struct smsusb_device_t *dev,
372 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
373 struct media_device *mdev;
374 struct usb_device *udev = dev->udev;
375 struct sms_board *board = sms_get_board(board_id);
378 mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
382 media_device_usb_init(mdev, udev, board->name);
384 ret = media_device_register(mdev);
386 media_device_cleanup(mdev);
391 pr_info("media controller created\n");
399 static int smsusb_init_device(struct usb_interface *intf, int board_id)
401 struct smsdevice_params_t params;
402 struct smsusb_device_t *dev;
407 /* create device object */
408 dev = kzalloc(sizeof(struct smsusb_device_t), GFP_KERNEL);
412 memset(¶ms, 0, sizeof(params));
413 usb_set_intfdata(intf, dev);
414 dev->udev = interface_to_usbdev(intf);
415 dev->state = SMSUSB_DISCONNECTED;
417 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
418 struct usb_endpoint_descriptor *desc =
419 &intf->cur_altsetting->endpoint[i].desc;
421 if (desc->bEndpointAddress & USB_DIR_IN) {
422 dev->in_ep = desc->bEndpointAddress;
423 align = usb_endpoint_maxp(desc) - sizeof(struct sms_msg_hdr);
425 dev->out_ep = desc->bEndpointAddress;
429 pr_debug("in_ep = %02x, out_ep = %02x\n", dev->in_ep, dev->out_ep);
430 if (!dev->in_ep || !dev->out_ep || align < 0) { /* Missing endpoints? */
431 smsusb_term_device(intf);
435 params.device_type = sms_get_board(board_id)->type;
437 switch (params.device_type) {
439 dev->buffer_size = USB1_BUFFER_SIZE;
441 params.setmode_handler = smsusb1_setmode;
442 params.detectmode_handler = smsusb1_detectmode;
444 case SMS_UNKNOWN_TYPE:
445 pr_err("Unspecified sms device type!\n");
448 dev->buffer_size = USB2_BUFFER_SIZE;
449 dev->response_alignment = align;
451 params.flags |= SMS_DEVICE_FAMILY2;
455 params.device = &dev->udev->dev;
456 params.buffer_size = dev->buffer_size;
457 params.num_buffers = MAX_BUFFERS;
458 params.sendrequest_handler = smsusb_sendrequest;
459 params.context = dev;
460 usb_make_path(dev->udev, params.devpath, sizeof(params.devpath));
462 mdev = siano_media_device_register(dev, board_id);
464 /* register in smscore */
465 rc = smscore_register_device(¶ms, &dev->coredev, mdev);
467 pr_err("smscore_register_device(...) failed, rc %d\n", rc);
468 smsusb_term_device(intf);
469 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
470 media_device_unregister(mdev);
476 smscore_set_board_id(dev->coredev, board_id);
478 dev->coredev->is_usb_device = true;
480 /* initialize urbs */
481 for (i = 0; i < MAX_URBS; i++) {
482 dev->surbs[i].dev = dev;
483 usb_init_urb(&dev->surbs[i].urb);
486 pr_debug("smsusb_start_streaming(...).\n");
487 rc = smsusb_start_streaming(dev);
489 pr_err("smsusb_start_streaming(...) failed\n");
490 smsusb_term_device(intf);
494 dev->state = SMSUSB_ACTIVE;
496 rc = smscore_start_device(dev->coredev);
498 pr_err("smscore_start_device(...) failed\n");
499 smsusb_term_device(intf);
503 pr_debug("device 0x%p created\n", dev);
508 static int smsusb_probe(struct usb_interface *intf,
509 const struct usb_device_id *id)
511 struct usb_device *udev = interface_to_usbdev(intf);
515 pr_info("board id=%lu, interface number %d\n",
517 intf->cur_altsetting->desc.bInterfaceNumber);
519 if (sms_get_board(id->driver_info)->intf_num !=
520 intf->cur_altsetting->desc.bInterfaceNumber) {
521 pr_debug("interface %d won't be used. Expecting interface %d to popup\n",
522 intf->cur_altsetting->desc.bInterfaceNumber,
523 sms_get_board(id->driver_info)->intf_num);
527 if (intf->num_altsetting > 1) {
528 rc = usb_set_interface(udev,
529 intf->cur_altsetting->desc.bInterfaceNumber,
532 pr_err("usb_set_interface failed, rc %d\n", rc);
537 pr_debug("smsusb_probe %d\n",
538 intf->cur_altsetting->desc.bInterfaceNumber);
539 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
540 pr_debug("endpoint %d %02x %02x %d\n", i,
541 intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
542 intf->cur_altsetting->endpoint[i].desc.bmAttributes,
543 intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
544 if (intf->cur_altsetting->endpoint[i].desc.bEndpointAddress &
546 rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev,
547 intf->cur_altsetting->endpoint[i].desc.bEndpointAddress));
549 rc = usb_clear_halt(udev, usb_sndbulkpipe(udev,
550 intf->cur_altsetting->endpoint[i].desc.bEndpointAddress));
552 if ((udev->actconfig->desc.bNumInterfaces == 2) &&
553 (intf->cur_altsetting->desc.bInterfaceNumber == 0)) {
554 pr_debug("rom interface 0 is not used\n");
558 if (id->driver_info == SMS1XXX_BOARD_SIANO_STELLAR_ROM) {
559 /* Detected a Siano Stellar uninitialized */
561 snprintf(devpath, sizeof(devpath), "usb\\%d-%s",
562 udev->bus->busnum, udev->devpath);
563 pr_info("stellar device in cold state was found at %s.\n",
565 rc = smsusb1_load_firmware(
566 udev, smscore_registry_getmode(devpath),
569 /* This device will reset and gain another USB ID */
571 pr_info("stellar device now in warm state\n");
573 pr_err("Failed to put stellar in warm state. Error: %d\n",
578 rc = smsusb_init_device(intf, id->driver_info);
581 pr_info("Device initialized with return code %d\n", rc);
582 sms_board_load_modules(id->driver_info);
586 static void smsusb_disconnect(struct usb_interface *intf)
588 smsusb_term_device(intf);
591 static int smsusb_suspend(struct usb_interface *intf, pm_message_t msg)
593 struct smsusb_device_t *dev = usb_get_intfdata(intf);
594 printk(KERN_INFO "%s Entering status %d.\n", __func__, msg.event);
595 dev->state = SMSUSB_SUSPENDED;
596 /*smscore_set_power_mode(dev, SMS_POWER_MODE_SUSPENDED);*/
597 smsusb_stop_streaming(dev);
601 static int smsusb_resume(struct usb_interface *intf)
604 struct smsusb_device_t *dev = usb_get_intfdata(intf);
605 struct usb_device *udev = interface_to_usbdev(intf);
607 printk(KERN_INFO "%s Entering.\n", __func__);
608 usb_clear_halt(udev, usb_rcvbulkpipe(udev, dev->in_ep));
609 usb_clear_halt(udev, usb_sndbulkpipe(udev, dev->out_ep));
611 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
612 printk(KERN_INFO "endpoint %d %02x %02x %d\n", i,
613 intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
614 intf->cur_altsetting->endpoint[i].desc.bmAttributes,
615 intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
617 if (intf->num_altsetting > 0) {
618 rc = usb_set_interface(udev,
619 intf->cur_altsetting->desc.
620 bInterfaceNumber, 0);
622 printk(KERN_INFO "%s usb_set_interface failed, "
623 "rc %d\n", __func__, rc);
628 smsusb_start_streaming(dev);
632 static const struct usb_device_id smsusb_id_table[] = {
633 /* This device is only present before firmware load */
634 { USB_DEVICE(0x187f, 0x0010),
635 .driver_info = SMS1XXX_BOARD_SIANO_STELLAR_ROM },
636 /* This device pops up after firmware load */
637 { USB_DEVICE(0x187f, 0x0100),
638 .driver_info = SMS1XXX_BOARD_SIANO_STELLAR },
640 { USB_DEVICE(0x187f, 0x0200),
641 .driver_info = SMS1XXX_BOARD_SIANO_NOVA_A },
642 { USB_DEVICE(0x187f, 0x0201),
643 .driver_info = SMS1XXX_BOARD_SIANO_NOVA_B },
644 { USB_DEVICE(0x187f, 0x0300),
645 .driver_info = SMS1XXX_BOARD_SIANO_VEGA },
646 { USB_DEVICE(0x2040, 0x1700),
647 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT },
648 { USB_DEVICE(0x2040, 0x1800),
649 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A },
650 { USB_DEVICE(0x2040, 0x1801),
651 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B },
652 { USB_DEVICE(0x2040, 0x2000),
653 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
654 { USB_DEVICE(0x2040, 0x2009),
655 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2 },
656 { USB_DEVICE(0x2040, 0x200a),
657 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
658 { USB_DEVICE(0x2040, 0x2010),
659 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
660 { USB_DEVICE(0x2040, 0x2011),
661 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
662 { USB_DEVICE(0x2040, 0x2019),
663 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
664 { USB_DEVICE(0x2040, 0x5500),
665 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
666 { USB_DEVICE(0x2040, 0x5510),
667 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
668 { USB_DEVICE(0x2040, 0x5520),
669 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
670 { USB_DEVICE(0x2040, 0x5530),
671 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
672 { USB_DEVICE(0x2040, 0x5580),
673 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
674 { USB_DEVICE(0x2040, 0x5590),
675 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
676 { USB_DEVICE(0x187f, 0x0202),
677 .driver_info = SMS1XXX_BOARD_SIANO_NICE },
678 { USB_DEVICE(0x187f, 0x0301),
679 .driver_info = SMS1XXX_BOARD_SIANO_VENICE },
680 { USB_DEVICE(0x2040, 0xb900),
681 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
682 { USB_DEVICE(0x2040, 0xb910),
683 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
684 { USB_DEVICE(0x2040, 0xb980),
685 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
686 { USB_DEVICE(0x2040, 0xb990),
687 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
688 { USB_DEVICE(0x2040, 0xc000),
689 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
690 { USB_DEVICE(0x2040, 0xc010),
691 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
692 { USB_DEVICE(0x2040, 0xc080),
693 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
694 { USB_DEVICE(0x2040, 0xc090),
695 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
696 { USB_DEVICE(0x2040, 0xc0a0),
697 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
698 { USB_DEVICE(0x2040, 0xf5a0),
699 .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
700 { USB_DEVICE(0x187f, 0x0202),
701 .driver_info = SMS1XXX_BOARD_SIANO_NICE },
702 { USB_DEVICE(0x187f, 0x0301),
703 .driver_info = SMS1XXX_BOARD_SIANO_VENICE },
704 { USB_DEVICE(0x187f, 0x0302),
705 .driver_info = SMS1XXX_BOARD_SIANO_VENICE },
706 { USB_DEVICE(0x187f, 0x0310),
707 .driver_info = SMS1XXX_BOARD_SIANO_MING },
708 { USB_DEVICE(0x187f, 0x0500),
709 .driver_info = SMS1XXX_BOARD_SIANO_PELE },
710 { USB_DEVICE(0x187f, 0x0600),
711 .driver_info = SMS1XXX_BOARD_SIANO_RIO },
712 { USB_DEVICE(0x187f, 0x0700),
713 .driver_info = SMS1XXX_BOARD_SIANO_DENVER_2160 },
714 { USB_DEVICE(0x187f, 0x0800),
715 .driver_info = SMS1XXX_BOARD_SIANO_DENVER_1530 },
716 { USB_DEVICE(0x19D2, 0x0086),
717 .driver_info = SMS1XXX_BOARD_ZTE_DVB_DATA_CARD },
718 { USB_DEVICE(0x19D2, 0x0078),
719 .driver_info = SMS1XXX_BOARD_ONDA_MDTV_DATA_CARD },
720 { USB_DEVICE(0x3275, 0x0080),
721 .driver_info = SMS1XXX_BOARD_SIANO_RIO },
722 { USB_DEVICE(0x2013, 0x0257),
723 .driver_info = SMS1XXX_BOARD_PCTV_77E },
724 { } /* Terminating entry */
727 MODULE_DEVICE_TABLE(usb, smsusb_id_table);
729 static struct usb_driver smsusb_driver = {
731 .probe = smsusb_probe,
732 .disconnect = smsusb_disconnect,
733 .id_table = smsusb_id_table,
735 .suspend = smsusb_suspend,
736 .resume = smsusb_resume,
739 module_usb_driver(smsusb_driver);
741 MODULE_DESCRIPTION("Driver for the Siano SMS1xxx USB dongle");
742 MODULE_AUTHOR("Siano Mobile Silicon, INC. (uris@siano-ms.com)");
743 MODULE_LICENSE("GPL");