Bluetooth: Fix complicated assignment of firmware for Marvell devices
[linux-3.10.git] / drivers / bluetooth / btmrvl_main.c
1 /**
2  * Marvell Bluetooth driver
3  *
4  * Copyright (C) 2009, Marvell International Ltd.
5  *
6  * This software file (the "File") is distributed by Marvell International
7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8  * (the "License").  You may use, redistribute and/or modify this File in
9  * accordance with the terms and conditions of the License, a copy of which
10  * is available by writing to the Free Software Foundation, Inc.,
11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13  *
14  *
15  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
17  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
18  * this warranty disclaimer.
19  **/
20
21 #include <net/bluetooth/bluetooth.h>
22 #include <net/bluetooth/hci_core.h>
23
24 #include "btmrvl_drv.h"
25
26 #define VERSION "1.0"
27
28 /*
29  * This function is called by interface specific interrupt handler.
30  * It updates Power Save & Host Sleep states, and wakes up the main
31  * thread.
32  */
33 void btmrvl_interrupt(struct btmrvl_private *priv)
34 {
35         BT_DBG("Enter");
36
37         priv->adapter->ps_state = PS_AWAKE;
38
39         priv->adapter->wakeup_tries = 0;
40
41         priv->adapter->int_count++;
42
43         wake_up_interruptible(&priv->main_thread.wait_q);
44
45         BT_DBG("Leave");
46 }
47 EXPORT_SYMBOL_GPL(btmrvl_interrupt);
48
49 void btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb)
50 {
51         struct hci_event_hdr *hdr = (void *) skb->data;
52         struct hci_ev_cmd_complete *ec;
53         u16 opcode, ocf;
54
55         BT_DBG("Enter");
56
57         if (hdr->evt == HCI_EV_CMD_COMPLETE) {
58                 ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE);
59                 opcode = __le16_to_cpu(ec->opcode);
60                 ocf = hci_opcode_ocf(opcode);
61                 if (ocf == BT_CMD_MODULE_CFG_REQ &&
62                                         priv->btmrvl_dev.sendcmdflag) {
63                         priv->btmrvl_dev.sendcmdflag = false;
64                         priv->adapter->cmd_complete = true;
65                         wake_up_interruptible(&priv->adapter->cmd_wait_q);
66                 }
67         }
68
69         BT_DBG("Leave");
70 }
71 EXPORT_SYMBOL_GPL(btmrvl_check_evtpkt);
72
73 int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb)
74 {
75         struct btmrvl_adapter *adapter = priv->adapter;
76         struct btmrvl_event *event;
77         u8 ret = 0;
78
79         BT_DBG("Enter");
80
81         event = (struct btmrvl_event *) skb->data;
82         if (event->ec != 0xff) {
83                 BT_DBG("Not Marvell Event=%x", event->ec);
84                 ret = -EINVAL;
85                 goto exit;
86         }
87
88         switch (event->data[0]) {
89         case BT_CMD_AUTO_SLEEP_MODE:
90                 if (!event->data[2]) {
91                         if (event->data[1] == BT_PS_ENABLE)
92                                 adapter->psmode = 1;
93                         else
94                                 adapter->psmode = 0;
95                         BT_DBG("PS Mode:%s",
96                                 (adapter->psmode) ? "Enable" : "Disable");
97                 } else {
98                         BT_DBG("PS Mode command failed");
99                 }
100                 break;
101
102         case BT_CMD_HOST_SLEEP_CONFIG:
103                 if (!event->data[3])
104                         BT_DBG("gpio=%x, gap=%x", event->data[1],
105                                                         event->data[2]);
106                 else
107                         BT_DBG("HSCFG command failed");
108                 break;
109
110         case BT_CMD_HOST_SLEEP_ENABLE:
111                 if (!event->data[1]) {
112                         adapter->hs_state = HS_ACTIVATED;
113                         if (adapter->psmode)
114                                 adapter->ps_state = PS_SLEEP;
115                         wake_up_interruptible(&adapter->cmd_wait_q);
116                         BT_DBG("HS ACTIVATED!");
117                 } else {
118                         BT_DBG("HS Enable failed");
119                 }
120                 break;
121
122         case BT_CMD_MODULE_CFG_REQ:
123                 if (priv->btmrvl_dev.sendcmdflag &&
124                                 event->data[1] == MODULE_BRINGUP_REQ) {
125                         BT_DBG("EVENT:%s", (event->data[2]) ?
126                                 "Bring-up failed" : "Bring-up succeed");
127                 } else if (priv->btmrvl_dev.sendcmdflag &&
128                                 event->data[1] == MODULE_SHUTDOWN_REQ) {
129                         BT_DBG("EVENT:%s", (event->data[2]) ?
130                                 "Shutdown failed" : "Shutdown succeed");
131                 } else {
132                         BT_DBG("BT_CMD_MODULE_CFG_REQ resp for APP");
133                         ret = -EINVAL;
134                 }
135                 break;
136
137         case BT_EVENT_POWER_STATE:
138                 if (event->data[1] == BT_PS_SLEEP)
139                         adapter->ps_state = PS_SLEEP;
140                 BT_DBG("EVENT:%s",
141                         (adapter->ps_state) ? "PS_SLEEP" : "PS_AWAKE");
142                 break;
143
144         default:
145                 BT_DBG("Unknown Event=%d", event->data[0]);
146                 ret = -EINVAL;
147                 break;
148         }
149
150 exit:
151         if (!ret)
152                 kfree_skb(skb);
153
154         BT_DBG("Leave");
155
156         return ret;
157 }
158 EXPORT_SYMBOL_GPL(btmrvl_process_event);
159
160 int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd)
161 {
162         struct sk_buff *skb;
163         struct btmrvl_cmd *cmd;
164         u8 ret = 0;
165
166         BT_DBG("Enter");
167
168         skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC);
169         if (skb == NULL) {
170                 BT_ERR("No free skb");
171                 ret = -ENOMEM;
172                 goto exit;
173         }
174
175         cmd = (struct btmrvl_cmd *) skb->tail;
176         cmd->ocf_ogf = cpu_to_le16((OGF << 10) | BT_CMD_MODULE_CFG_REQ);
177         cmd->length = 1;
178         cmd->data[0] = subcmd;
179
180         bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
181
182         skb_put(skb, sizeof(*cmd));
183         skb->dev = (void *) priv->btmrvl_dev.hcidev;
184         skb_queue_head(&priv->adapter->tx_queue, skb);
185
186         priv->btmrvl_dev.sendcmdflag = true;
187
188         priv->adapter->cmd_complete = false;
189
190         BT_DBG("Queue module cfg Command");
191
192         wake_up_interruptible(&priv->main_thread.wait_q);
193
194         if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q,
195                                 priv->adapter->cmd_complete,
196                                 msecs_to_jiffies(WAIT_UNTIL_CMD_RESP))) {
197                 ret = -ETIMEDOUT;
198                 BT_ERR("module_cfg_cmd(%x): timeout: %d",
199                                         subcmd, priv->btmrvl_dev.sendcmdflag);
200         }
201
202         BT_DBG("module cfg Command done");
203
204 exit:
205         BT_DBG("Leave");
206
207         return ret;
208 }
209 EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd);
210
211 static int btmrvl_enable_hs(struct btmrvl_private *priv)
212 {
213         struct sk_buff *skb;
214         struct btmrvl_cmd *cmd;
215         u8 ret = 0;
216
217         BT_DBG("Enter");
218
219         skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC);
220         if (skb == NULL) {
221                 BT_ERR("No free skb");
222                 ret = -ENOMEM;
223                 goto exit;
224         }
225
226         cmd = (struct btmrvl_cmd *) skb->tail;
227         cmd->ocf_ogf = cpu_to_le16((OGF << 10) | BT_CMD_HOST_SLEEP_ENABLE);
228         cmd->length = 0;
229
230         bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
231
232         skb_put(skb, sizeof(*cmd));
233         skb->dev = (void *) priv->btmrvl_dev.hcidev;
234         skb_queue_head(&priv->adapter->tx_queue, skb);
235
236         BT_DBG("Queue hs enable Command");
237
238         wake_up_interruptible(&priv->main_thread.wait_q);
239
240         if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q,
241                         priv->adapter->hs_state,
242                         msecs_to_jiffies(WAIT_UNTIL_HS_STATE_CHANGED))) {
243                 ret = -ETIMEDOUT;
244                 BT_ERR("timeout: %d, %d,%d", priv->adapter->hs_state,
245                                                 priv->adapter->ps_state,
246                                                 priv->adapter->wakeup_tries);
247         }
248
249 exit:
250         BT_DBG("Leave");
251
252         return ret;
253 }
254
255 int btmrvl_prepare_command(struct btmrvl_private *priv)
256 {
257         struct sk_buff *skb = NULL;
258         struct btmrvl_cmd *cmd;
259         u8 ret = 0;
260
261         BT_DBG("Enter");
262
263         if (priv->btmrvl_dev.hscfgcmd) {
264                 priv->btmrvl_dev.hscfgcmd = 0;
265
266                 skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC);
267                 if (skb == NULL) {
268                         BT_ERR("No free skb");
269                         ret = -ENOMEM;
270                         goto exit;
271                 }
272
273                 cmd = (struct btmrvl_cmd *) skb->tail;
274                 cmd->ocf_ogf = cpu_to_le16((OGF << 10) |
275                                                 BT_CMD_HOST_SLEEP_CONFIG);
276                 cmd->length = 2;
277                 cmd->data[0] = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8;
278                 cmd->data[1] = (u8) (priv->btmrvl_dev.gpio_gap & 0x00ff);
279
280                 bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
281
282                 skb_put(skb, sizeof(*cmd));
283                 skb->dev = (void *) priv->btmrvl_dev.hcidev;
284                 skb_queue_head(&priv->adapter->tx_queue, skb);
285
286                 BT_DBG("Queue HSCFG Command, gpio=0x%x, gap=0x%x",
287                                                 cmd->data[0], cmd->data[1]);
288         }
289
290         if (priv->btmrvl_dev.pscmd) {
291                 priv->btmrvl_dev.pscmd = 0;
292
293                 skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC);
294                 if (skb == NULL) {
295                         BT_ERR("No free skb");
296                         ret = -ENOMEM;
297                         goto exit;
298                 }
299
300                 cmd = (struct btmrvl_cmd *) skb->tail;
301                 cmd->ocf_ogf = cpu_to_le16((OGF << 10) |
302                                                 BT_CMD_AUTO_SLEEP_MODE);
303                 cmd->length = 1;
304
305                 if (priv->btmrvl_dev.psmode)
306                         cmd->data[0] = BT_PS_ENABLE;
307                 else
308                         cmd->data[0] = BT_PS_DISABLE;
309
310                 bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
311
312                 skb_put(skb, sizeof(*cmd));
313                 skb->dev = (void *) priv->btmrvl_dev.hcidev;
314                 skb_queue_head(&priv->adapter->tx_queue, skb);
315
316                 BT_DBG("Queue PSMODE Command:%d", cmd->data[0]);
317         }
318
319         if (priv->btmrvl_dev.hscmd) {
320                 priv->btmrvl_dev.hscmd = 0;
321
322                 if (priv->btmrvl_dev.hsmode) {
323                         ret = btmrvl_enable_hs(priv);
324                 } else {
325                         ret = priv->hw_wakeup_firmware(priv);
326                         priv->adapter->hs_state = HS_DEACTIVATED;
327                 }
328         }
329
330 exit:
331         BT_DBG("Leave");
332
333         return ret;
334 }
335
336 static int btmrvl_tx_pkt(struct btmrvl_private *priv, struct sk_buff *skb)
337 {
338         u8 ret = 0;
339
340         BT_DBG("Enter");
341
342         if (!skb || !skb->data) {
343                 BT_DBG("Leave");
344                 return -EINVAL;
345         }
346
347         if (!skb->len || ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) {
348                 BT_ERR("Tx Error: Bad skb length %d : %d",
349                                                 skb->len, BTM_UPLD_SIZE);
350                 BT_DBG("Leave");
351                 return -EINVAL;
352         }
353
354         if (skb_headroom(skb) < BTM_HEADER_LEN) {
355                 struct sk_buff *tmp = skb;
356
357                 skb = skb_realloc_headroom(skb, BTM_HEADER_LEN);
358                 if (!skb) {
359                         BT_ERR("Tx Error: realloc_headroom failed %d",
360                                 BTM_HEADER_LEN);
361                         skb = tmp;
362                         BT_DBG("Leave");
363                         return -EINVAL;
364                 }
365
366                 kfree_skb(tmp);
367         }
368
369         skb_push(skb, BTM_HEADER_LEN);
370
371         /* header type: byte[3]
372          * HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor
373          * header length: byte[2][1][0]
374          */
375
376         skb->data[0] = (skb->len & 0x0000ff);
377         skb->data[1] = (skb->len & 0x00ff00) >> 8;
378         skb->data[2] = (skb->len & 0xff0000) >> 16;
379         skb->data[3] = bt_cb(skb)->pkt_type;
380
381         if (priv->hw_host_to_card)
382                 ret = priv->hw_host_to_card(priv, skb->data, skb->len);
383
384         BT_DBG("Leave");
385
386         return ret;
387 }
388
389 static void btmrvl_init_adapter(struct btmrvl_private *priv)
390 {
391         BT_DBG("Enter");
392
393         skb_queue_head_init(&priv->adapter->tx_queue);
394
395         priv->adapter->ps_state = PS_AWAKE;
396
397         init_waitqueue_head(&priv->adapter->cmd_wait_q);
398
399         BT_DBG("Leave");
400 }
401
402 static void btmrvl_free_adapter(struct btmrvl_private *priv)
403 {
404         BT_DBG("Enter");
405
406         skb_queue_purge(&priv->adapter->tx_queue);
407
408         kfree(priv->adapter);
409
410         priv->adapter = NULL;
411
412         BT_DBG("Leave");
413 }
414
415 static int btmrvl_ioctl(struct hci_dev *hdev,
416                                 unsigned int cmd, unsigned long arg)
417 {
418         BT_DBG("Enter");
419
420         BT_DBG("Leave");
421
422         return -ENOIOCTLCMD;
423 }
424
425 static void btmrvl_destruct(struct hci_dev *hdev)
426 {
427         BT_DBG("Enter");
428
429         BT_DBG("Leave");
430 }
431
432 static int btmrvl_send_frame(struct sk_buff *skb)
433 {
434         struct hci_dev *hdev = (struct hci_dev *) skb->dev;
435         struct btmrvl_private *priv = NULL;
436
437         BT_DBG("Enter: type=%d, len=%d", skb->pkt_type, skb->len);
438
439         if (!hdev || !hdev->driver_data) {
440                 BT_ERR("Frame for unknown HCI device");
441                 BT_DBG("Leave");
442                 return -ENODEV;
443         }
444
445         priv = (struct btmrvl_private *) hdev->driver_data;
446         if (!test_bit(HCI_RUNNING, &hdev->flags)) {
447                 BT_ERR("Failed testing HCI_RUNING, flags=%lx", hdev->flags);
448                 print_hex_dump_bytes("data: ", DUMP_PREFIX_OFFSET,
449                                                         skb->data, skb->len);
450                 BT_DBG("Leave");
451                 return -EBUSY;
452         }
453
454         switch (bt_cb(skb)->pkt_type) {
455         case HCI_COMMAND_PKT:
456                 hdev->stat.cmd_tx++;
457                 break;
458
459         case HCI_ACLDATA_PKT:
460                 hdev->stat.acl_tx++;
461                 break;
462
463         case HCI_SCODATA_PKT:
464                 hdev->stat.sco_tx++;
465                 break;
466         }
467
468         skb_queue_tail(&priv->adapter->tx_queue, skb);
469
470         wake_up_interruptible(&priv->main_thread.wait_q);
471
472         BT_DBG("Leave");
473
474         return 0;
475 }
476
477 static int btmrvl_flush(struct hci_dev *hdev)
478 {
479         struct btmrvl_private *priv = hdev->driver_data;
480
481         BT_DBG("Enter");
482
483         skb_queue_purge(&priv->adapter->tx_queue);
484
485         BT_DBG("Leave");
486
487         return 0;
488 }
489
490 static int btmrvl_close(struct hci_dev *hdev)
491 {
492         struct btmrvl_private *priv = hdev->driver_data;
493
494         BT_DBG("Enter");
495
496         if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) {
497                 BT_DBG("Leave");
498                 return 0;
499         }
500
501         skb_queue_purge(&priv->adapter->tx_queue);
502
503         BT_DBG("Leave");
504
505         return 0;
506 }
507
508 static int btmrvl_open(struct hci_dev *hdev)
509 {
510         BT_DBG("Enter");
511
512         set_bit(HCI_RUNNING, &hdev->flags);
513
514         BT_DBG("Leave");
515
516         return 0;
517 }
518
519 /*
520  * This function handles the event generated by firmware, rx data
521  * received from firmware, and tx data sent from kernel.
522  */
523 static int btmrvl_service_main_thread(void *data)
524 {
525         struct btmrvl_thread *thread = data;
526         struct btmrvl_private *priv = thread->priv;
527         struct btmrvl_adapter *adapter = priv->adapter;
528         wait_queue_t wait;
529         struct sk_buff *skb;
530         ulong flags;
531
532         BT_DBG("Enter");
533
534         init_waitqueue_entry(&wait, current);
535
536         current->flags |= PF_NOFREEZE;
537
538         for (;;) {
539                 add_wait_queue(&thread->wait_q, &wait);
540
541                 set_current_state(TASK_INTERRUPTIBLE);
542
543                 if (adapter->wakeup_tries ||
544                                 ((!adapter->int_count) &&
545                                 (!priv->btmrvl_dev.tx_dnld_rdy ||
546                                 skb_queue_empty(&adapter->tx_queue)))) {
547                         BT_DBG("main_thread is sleeping...");
548                         schedule();
549                 }
550
551                 set_current_state(TASK_RUNNING);
552
553                 remove_wait_queue(&thread->wait_q, &wait);
554
555                 BT_DBG("main_thread woke up");
556
557                 if (kthread_should_stop()) {
558                         BT_DBG("main_thread: break from main thread");
559                         break;
560                 }
561
562                 spin_lock_irqsave(&priv->driver_lock, flags);
563                 if (adapter->int_count) {
564                         adapter->int_count = 0;
565                 } else if (adapter->ps_state == PS_SLEEP &&
566                                         !skb_queue_empty(&adapter->tx_queue)) {
567                         spin_unlock_irqrestore(&priv->driver_lock, flags);
568                         adapter->wakeup_tries++;
569                         priv->hw_wakeup_firmware(priv);
570                         continue;
571                 }
572                 spin_unlock_irqrestore(&priv->driver_lock, flags);
573
574                 if (adapter->ps_state == PS_SLEEP)
575                         continue;
576
577                 if (!priv->btmrvl_dev.tx_dnld_rdy)
578                         continue;
579
580                 skb = skb_dequeue(&adapter->tx_queue);
581                 if (skb) {
582                         if (btmrvl_tx_pkt(priv, skb))
583                                 priv->btmrvl_dev.hcidev->stat.err_tx++;
584                         else
585                                 priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len;
586
587                         kfree_skb(skb);
588                 }
589         }
590
591         BT_DBG("Leave");
592
593         return 0;
594 }
595
596 struct btmrvl_private *btmrvl_add_card(void *card)
597 {
598         struct hci_dev *hdev = NULL;
599         struct btmrvl_private *priv;
600         int ret;
601
602         BT_DBG("Enter");
603
604         priv = kzalloc(sizeof(*priv), GFP_KERNEL);
605         if (!priv) {
606                 BT_ERR("Can not allocate priv");
607                 goto err_priv;
608         }
609
610         priv->adapter = kzalloc(sizeof(*priv->adapter), GFP_KERNEL);
611         if (!priv->adapter) {
612                 BT_ERR("Allocate buffer for btmrvl_adapter failed!");
613                 goto err_adapter;
614         }
615
616         btmrvl_init_adapter(priv);
617
618         hdev = hci_alloc_dev();
619         if (!hdev) {
620                 BT_ERR("Can not allocate HCI device");
621                 goto err_hdev;
622         }
623
624         BT_DBG("Starting kthread...");
625         priv->main_thread.priv = priv;
626         spin_lock_init(&priv->driver_lock);
627
628         init_waitqueue_head(&priv->main_thread.wait_q);
629         priv->main_thread.task = kthread_run(btmrvl_service_main_thread,
630                                 &priv->main_thread, "btmrvl_main_service");
631
632         priv->btmrvl_dev.hcidev = hdev;
633         priv->btmrvl_dev.card = card;
634
635         hdev->driver_data = priv;
636
637         priv->btmrvl_dev.tx_dnld_rdy = true;
638
639         hdev->type = HCI_SDIO;
640         hdev->open = btmrvl_open;
641         hdev->close = btmrvl_close;
642         hdev->flush = btmrvl_flush;
643         hdev->send = btmrvl_send_frame;
644         hdev->destruct = btmrvl_destruct;
645         hdev->ioctl = btmrvl_ioctl;
646         hdev->owner = THIS_MODULE;
647
648         ret = hci_register_dev(hdev);
649         if (ret < 0) {
650                 BT_ERR("Can not register HCI device");
651                 goto err_hci_register_dev;
652         }
653
654 #ifdef CONFIG_DEBUG_FS
655         btmrvl_debugfs_init(hdev);
656 #endif
657
658         BT_DBG("Leave");
659         return priv;
660
661 err_hci_register_dev:
662         /* Stop the thread servicing the interrupts */
663         kthread_stop(priv->main_thread.task);
664
665         hci_free_dev(hdev);
666
667 err_hdev:
668         btmrvl_free_adapter(priv);
669
670 err_adapter:
671         kfree(priv);
672
673 err_priv:
674         BT_DBG("Leave");
675
676         return NULL;
677 }
678 EXPORT_SYMBOL_GPL(btmrvl_add_card);
679
680 int btmrvl_remove_card(struct btmrvl_private *priv)
681 {
682         struct hci_dev *hdev;
683
684         BT_DBG("Enter");
685
686         hdev = priv->btmrvl_dev.hcidev;
687
688         wake_up_interruptible(&priv->adapter->cmd_wait_q);
689
690         kthread_stop(priv->main_thread.task);
691
692 #ifdef CONFIG_DEBUG_FS
693         btmrvl_debugfs_remove(hdev);
694 #endif
695
696         hci_unregister_dev(hdev);
697
698         hci_free_dev(hdev);
699
700         priv->btmrvl_dev.hcidev = NULL;
701
702         btmrvl_free_adapter(priv);
703
704         kfree(priv);
705
706         BT_DBG("Leave");
707
708         return 0;
709 }
710 EXPORT_SYMBOL_GPL(btmrvl_remove_card);
711
712 MODULE_AUTHOR("Marvell International Ltd.");
713 MODULE_DESCRIPTION("Marvell Bluetooth Driver ver" VERSION);
714 MODULE_VERSION(VERSION);
715 MODULE_LICENSE("GPL v2");