Add missing newlines to some uses of dev_<level> messages
[linux-3.10.git] / drivers / usb / serial / sierra.c
1 /*
2   USB Driver for Sierra Wireless
3
4   Copyright (C) 2006, 2007  Kevin Lloyd <linux@sierrawireless.com>
5
6   IMPORTANT DISCLAIMER: This driver is not commercially supported by
7   Sierra Wireless. Use at your own risk.
8
9   This driver is free software; you can redistribute it and/or modify
10   it under the terms of Version 2 of the GNU General Public License as
11   published by the Free Software Foundation.
12
13   Portions based on the option driver by Matthias Urlichs <smurf@smurf.noris.de>
14   Whom based his on the Keyspan driver by Hugh Blemings <hugh@blemings.org>
15 */
16
17 #define DRIVER_VERSION "v.1.2.5b"
18 #define DRIVER_AUTHOR "Kevin Lloyd <linux@sierrawireless.com>"
19 #define DRIVER_DESC "USB Driver for Sierra Wireless USB modems"
20
21 #include <linux/kernel.h>
22 #include <linux/jiffies.h>
23 #include <linux/errno.h>
24 #include <linux/tty.h>
25 #include <linux/tty_flip.h>
26 #include <linux/module.h>
27 #include <linux/usb.h>
28 #include <linux/usb/serial.h>
29
30 #define SWIMS_USB_REQUEST_SetMode       0x0B
31 #define SWIMS_USB_REQUEST_TYPE_SetMode  0x40
32 #define SWIMS_USB_INDEX_SetMode         0x0000
33 #define SWIMS_SET_MODE_Modem            0x0001
34
35 /* per port private data */
36 #define N_IN_URB        4
37 #define N_OUT_URB       4
38 #define IN_BUFLEN       4096
39
40 static int debug;
41
42 enum devicetype {
43         DEVICE_3_PORT =         0,
44         DEVICE_1_PORT =         1,
45         DEVICE_INSTALLER =      2,
46 };
47
48 static int sierra_set_power_state(struct usb_device *udev, __u16 swiState)
49 {
50         int result;
51         dev_dbg(&udev->dev, "%s", "SET POWER STATE\n");
52         result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
53                         0x00,                   /* __u8 request      */
54                         0x40,                   /* __u8 request type */
55                         swiState,               /* __u16 value       */
56                         0,                      /* __u16 index       */
57                         NULL,                   /* void *data        */
58                         0,                      /* __u16 size        */
59                         USB_CTRL_SET_TIMEOUT);  /* int timeout       */
60         return result;
61 }
62
63 static int sierra_set_ms_mode(struct usb_device *udev, __u16 eSocMode)
64 {
65         int result;
66         dev_dbg(&udev->dev, "%s", "DEVICE MODE SWITCH\n");
67         result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
68                         SWIMS_USB_REQUEST_SetMode,      /* __u8 request      */
69                         SWIMS_USB_REQUEST_TYPE_SetMode, /* __u8 request type */
70                         eSocMode,                       /* __u16 value       */
71                         SWIMS_USB_INDEX_SetMode,        /* __u16 index       */
72                         NULL,                           /* void *data        */
73                         0,                              /* __u16 size        */
74                         USB_CTRL_SET_TIMEOUT);          /* int timeout       */
75         return result;
76 }
77
78 static int sierra_probe(struct usb_interface *iface,
79                         const struct usb_device_id *id)
80 {
81         int result;
82         struct usb_device *udev;
83
84         udev = usb_get_dev(interface_to_usbdev(iface));
85
86         /* Check if in installer mode */
87         if (id->driver_info == DEVICE_INSTALLER) {
88                 dev_dbg(&udev->dev, "%s", "FOUND DEVICE(SW)\n");
89                 result = sierra_set_ms_mode(udev, SWIMS_SET_MODE_Modem);
90                 /*We do not want to bind to the device when in installer mode*/
91                 return -EIO;
92         }
93
94         return usb_serial_probe(iface, id);
95 }
96
97 static struct usb_device_id id_table [] = {
98         { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */
99         { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */
100         { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */
101         { USB_DEVICE(0x0f30, 0x1b1d) }, /* Sierra Wireless MC5720 */
102         { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */
103         { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */
104         { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */
105         { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */
106
107         { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */
108         { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */
109         { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */
110         { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */
111         { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */
112         { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780*/
113         { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781*/
114         { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */
115         { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */
116         { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */
117         { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881 E */
118
119         { USB_DEVICE(0x1199, 0x0112), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless AirCard 580 */
120         { USB_DEVICE(0x0F3D, 0x0112), .driver_info = DEVICE_1_PORT }, /* Airprime/Sierra PC 5220 */
121
122         { USB_DEVICE(0x1199, 0x0FFF), .driver_info = DEVICE_INSTALLER},
123         { }
124 };
125 MODULE_DEVICE_TABLE(usb, id_table);
126
127 static struct usb_device_id id_table_1port [] = {
128         { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
129         { USB_DEVICE(0x0F3D, 0x0112) }, /* AirPrime/Sierra PC 5220 */
130         { }
131 };
132
133 static struct usb_device_id id_table_3port [] = {
134         { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */
135         { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */
136         { USB_DEVICE(0x0f30, 0x1b1d) }, /* Sierra Wireless MC5720 */
137         { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */
138         { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */
139         { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */
140         { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */
141         { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U*/
142
143         { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */
144         { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */
145         { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */
146         { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */
147         { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */
148         { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780*/
149         { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781*/
150         { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */
151         { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */
152         { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880E */
153         { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881E */
154         { }
155 };
156
157 static struct usb_driver sierra_driver = {
158         .name       = "sierra",
159         .probe      = sierra_probe,
160         .disconnect = usb_serial_disconnect,
161         .id_table   = id_table,
162         .no_dynamic_id =        1,
163 };
164
165
166 struct sierra_port_private {
167         spinlock_t lock;        /* lock the structure */
168         int outstanding_urbs;   /* number of out urbs in flight */
169
170         /* Input endpoints and buffer for this port */
171         struct urb *in_urbs[N_IN_URB];
172         char in_buffer[N_IN_URB][IN_BUFLEN];
173
174         /* Settings for the port */
175         int rts_state;  /* Handshaking pins (outputs) */
176         int dtr_state;
177         int cts_state;  /* Handshaking pins (inputs) */
178         int dsr_state;
179         int dcd_state;
180         int ri_state;
181 };
182
183 static int sierra_send_setup(struct usb_serial_port *port)
184 {
185         struct usb_serial *serial = port->serial;
186         struct sierra_port_private *portdata;
187
188         dbg("%s", __FUNCTION__);
189
190         portdata = usb_get_serial_port_data(port);
191
192         if (port->tty) {
193                 int val = 0;
194                 if (portdata->dtr_state)
195                         val |= 0x01;
196                 if (portdata->rts_state)
197                         val |= 0x02;
198
199                 return usb_control_msg(serial->dev,
200                                 usb_rcvctrlpipe(serial->dev, 0),
201                                 0x22,0x21,val,0,NULL,0,USB_CTRL_SET_TIMEOUT);
202         }
203
204         return 0;
205 }
206
207 static void sierra_rx_throttle(struct usb_serial_port *port)
208 {
209         dbg("%s", __FUNCTION__);
210 }
211
212 static void sierra_rx_unthrottle(struct usb_serial_port *port)
213 {
214         dbg("%s", __FUNCTION__);
215 }
216
217 static void sierra_break_ctl(struct usb_serial_port *port, int break_state)
218 {
219         /* Unfortunately, I don't know how to send a break */
220         dbg("%s", __FUNCTION__);
221 }
222
223 static void sierra_set_termios(struct usb_serial_port *port,
224                         struct ktermios *old_termios)
225 {
226         dbg("%s", __FUNCTION__);
227
228         sierra_send_setup(port);
229 }
230
231 static int sierra_tiocmget(struct usb_serial_port *port, struct file *file)
232 {
233         unsigned int value;
234         struct sierra_port_private *portdata;
235
236         portdata = usb_get_serial_port_data(port);
237
238         value = ((portdata->rts_state) ? TIOCM_RTS : 0) |
239                 ((portdata->dtr_state) ? TIOCM_DTR : 0) |
240                 ((portdata->cts_state) ? TIOCM_CTS : 0) |
241                 ((portdata->dsr_state) ? TIOCM_DSR : 0) |
242                 ((portdata->dcd_state) ? TIOCM_CAR : 0) |
243                 ((portdata->ri_state) ? TIOCM_RNG : 0);
244
245         return value;
246 }
247
248 static int sierra_tiocmset(struct usb_serial_port *port, struct file *file,
249                         unsigned int set, unsigned int clear)
250 {
251         struct sierra_port_private *portdata;
252
253         portdata = usb_get_serial_port_data(port);
254
255         if (set & TIOCM_RTS)
256                 portdata->rts_state = 1;
257         if (set & TIOCM_DTR)
258                 portdata->dtr_state = 1;
259
260         if (clear & TIOCM_RTS)
261                 portdata->rts_state = 0;
262         if (clear & TIOCM_DTR)
263                 portdata->dtr_state = 0;
264         return sierra_send_setup(port);
265 }
266
267 static int sierra_ioctl(struct usb_serial_port *port, struct file *file,
268                         unsigned int cmd, unsigned long arg)
269 {
270         return -ENOIOCTLCMD;
271 }
272
273 static void sierra_outdat_callback(struct urb *urb)
274 {
275         struct usb_serial_port *port = urb->context;
276         struct sierra_port_private *portdata = usb_get_serial_port_data(port);
277         int status = urb->status;
278         unsigned long flags;
279
280         dbg("%s - port %d", __FUNCTION__, port->number);
281
282         /* free up the transfer buffer, as usb_free_urb() does not do this */
283         kfree(urb->transfer_buffer);
284
285         if (status)
286                 dbg("%s - nonzero write bulk status received: %d",
287                     __FUNCTION__, status);
288
289         spin_lock_irqsave(&portdata->lock, flags);
290         --portdata->outstanding_urbs;
291         spin_unlock_irqrestore(&portdata->lock, flags);
292
293         usb_serial_port_softint(port);
294 }
295
296 /* Write */
297 static int sierra_write(struct usb_serial_port *port,
298                         const unsigned char *buf, int count)
299 {
300         struct sierra_port_private *portdata = usb_get_serial_port_data(port);
301         struct usb_serial *serial = port->serial;
302         unsigned long flags;
303         unsigned char *buffer;
304         struct urb *urb;
305         int status;
306
307         portdata = usb_get_serial_port_data(port);
308
309         dbg("%s: write (%d chars)", __FUNCTION__, count);
310
311         spin_lock_irqsave(&portdata->lock, flags);
312         if (portdata->outstanding_urbs > N_OUT_URB) {
313                 spin_unlock_irqrestore(&portdata->lock, flags);
314                 dbg("%s - write limit hit\n", __FUNCTION__);
315                 return 0;
316         }
317         portdata->outstanding_urbs++;
318         spin_unlock_irqrestore(&portdata->lock, flags);
319
320         buffer = kmalloc(count, GFP_ATOMIC);
321         if (!buffer) {
322                 dev_err(&port->dev, "out of memory\n");
323                 count = -ENOMEM;
324                 goto error_no_buffer;
325         }
326
327         urb = usb_alloc_urb(0, GFP_ATOMIC);
328         if (!urb) {
329                 dev_err(&port->dev, "no more free urbs\n");
330                 count = -ENOMEM;
331                 goto error_no_urb;
332         }
333
334         memcpy(buffer, buf, count);
335
336         usb_serial_debug_data(debug, &port->dev, __FUNCTION__, count, buffer);
337
338         usb_fill_bulk_urb(urb, serial->dev,
339                           usb_sndbulkpipe(serial->dev,
340                                           port->bulk_out_endpointAddress),
341                           buffer, count, sierra_outdat_callback, port);
342
343         /* send it down the pipe */
344         status = usb_submit_urb(urb, GFP_ATOMIC);
345         if (status) {
346                 dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed "
347                         "with status = %d\n", __FUNCTION__, status);
348                 count = status;
349                 goto error;
350         }
351
352         /* we are done with this urb, so let the host driver
353          * really free it when it is finished with it */
354         usb_free_urb(urb);
355
356         return count;
357 error:
358         usb_free_urb(urb);
359 error_no_urb:
360         kfree(buffer);
361 error_no_buffer:
362         spin_lock_irqsave(&portdata->lock, flags);
363         --portdata->outstanding_urbs;
364         spin_unlock_irqrestore(&portdata->lock, flags);
365         return count;
366 }
367
368 static void sierra_indat_callback(struct urb *urb)
369 {
370         int err;
371         int endpoint;
372         struct usb_serial_port *port;
373         struct tty_struct *tty;
374         unsigned char *data = urb->transfer_buffer;
375         int status = urb->status;
376
377         dbg("%s: %p", __FUNCTION__, urb);
378
379         endpoint = usb_pipeendpoint(urb->pipe);
380         port = (struct usb_serial_port *) urb->context;
381
382         if (status) {
383                 dbg("%s: nonzero status: %d on endpoint %02x.",
384                     __FUNCTION__, status, endpoint);
385         } else {
386                 tty = port->tty;
387                 if (urb->actual_length) {
388                         tty_buffer_request_room(tty, urb->actual_length);
389                         tty_insert_flip_string(tty, data, urb->actual_length);
390                         tty_flip_buffer_push(tty);
391                 } else {
392                         dbg("%s: empty read urb received", __FUNCTION__);
393                 }
394
395                 /* Resubmit urb so we continue receiving */
396                 if (port->open_count && status != -ESHUTDOWN) {
397                         err = usb_submit_urb(urb, GFP_ATOMIC);
398                         if (err)
399                                 dev_err(&port->dev, "resubmit read urb failed."
400                                         "(%d)\n", err);
401                 }
402         }
403         return;
404 }
405
406 static void sierra_instat_callback(struct urb *urb)
407 {
408         int err;
409         int status = urb->status;
410         struct usb_serial_port *port = (struct usb_serial_port *) urb->context;
411         struct sierra_port_private *portdata = usb_get_serial_port_data(port);
412         struct usb_serial *serial = port->serial;
413
414         dbg("%s", __FUNCTION__);
415         dbg("%s: urb %p port %p has data %p", __FUNCTION__,urb,port,portdata);
416
417         if (status == 0) {
418                 struct usb_ctrlrequest *req_pkt =
419                                 (struct usb_ctrlrequest *)urb->transfer_buffer;
420
421                 if (!req_pkt) {
422                         dbg("%s: NULL req_pkt\n", __FUNCTION__);
423                         return;
424                 }
425                 if ((req_pkt->bRequestType == 0xA1) &&
426                                 (req_pkt->bRequest == 0x20)) {
427                         int old_dcd_state;
428                         unsigned char signals = *((unsigned char *)
429                                         urb->transfer_buffer +
430                                         sizeof(struct usb_ctrlrequest));
431
432                         dbg("%s: signal x%x", __FUNCTION__, signals);
433
434                         old_dcd_state = portdata->dcd_state;
435                         portdata->cts_state = 1;
436                         portdata->dcd_state = ((signals & 0x01) ? 1 : 0);
437                         portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
438                         portdata->ri_state = ((signals & 0x08) ? 1 : 0);
439
440                         if (port->tty && !C_CLOCAL(port->tty) &&
441                                         old_dcd_state && !portdata->dcd_state)
442                                 tty_hangup(port->tty);
443                 } else {
444                         dbg("%s: type %x req %x", __FUNCTION__,
445                                 req_pkt->bRequestType,req_pkt->bRequest);
446                 }
447         } else
448                 dbg("%s: error %d", __FUNCTION__, status);
449
450         /* Resubmit urb so we continue receiving IRQ data */
451         if (status != -ESHUTDOWN) {
452                 urb->dev = serial->dev;
453                 err = usb_submit_urb(urb, GFP_ATOMIC);
454                 if (err)
455                         dbg("%s: resubmit intr urb failed. (%d)",
456                                 __FUNCTION__, err);
457         }
458 }
459
460 static int sierra_write_room(struct usb_serial_port *port)
461 {
462         struct sierra_port_private *portdata = usb_get_serial_port_data(port);
463         unsigned long flags;
464
465         dbg("%s - port %d", __FUNCTION__, port->number);
466
467         /* try to give a good number back based on if we have any free urbs at
468          * this point in time */
469         spin_lock_irqsave(&portdata->lock, flags);
470         if (portdata->outstanding_urbs > N_OUT_URB * 2 / 3) {
471                 spin_unlock_irqrestore(&portdata->lock, flags);
472                 dbg("%s - write limit hit\n", __FUNCTION__);
473                 return 0;
474         }
475         spin_unlock_irqrestore(&portdata->lock, flags);
476
477         return 2048;
478 }
479
480 static int sierra_chars_in_buffer(struct usb_serial_port *port)
481 {
482         dbg("%s - port %d", __FUNCTION__, port->number);
483
484         /*
485          * We can't really account for how much data we
486          * have sent out, but hasn't made it through to the
487          * device as we can't see the backend here, so just
488          * tell the tty layer that everything is flushed.
489          */
490         return 0;
491 }
492
493 static int sierra_open(struct usb_serial_port *port, struct file *filp)
494 {
495         struct sierra_port_private *portdata;
496         struct usb_serial *serial = port->serial;
497         int i;
498         struct urb *urb;
499         int result;
500
501         portdata = usb_get_serial_port_data(port);
502
503         dbg("%s", __FUNCTION__);
504
505         /* Set some sane defaults */
506         portdata->rts_state = 1;
507         portdata->dtr_state = 1;
508
509         /* Reset low level data toggle and start reading from endpoints */
510         for (i = 0; i < N_IN_URB; i++) {
511                 urb = portdata->in_urbs[i];
512                 if (!urb)
513                         continue;
514                 if (urb->dev != serial->dev) {
515                         dbg("%s: dev %p != %p", __FUNCTION__,
516                                 urb->dev, serial->dev);
517                         continue;
518                 }
519
520                 /*
521                  * make sure endpoint data toggle is synchronized with the
522                  * device
523                  */
524                 usb_clear_halt(urb->dev, urb->pipe);
525
526                 result = usb_submit_urb(urb, GFP_KERNEL);
527                 if (result) {
528                         dev_err(&port->dev, "submit urb %d failed (%d) %d\n",
529                                 i, result, urb->transfer_buffer_length);
530                 }
531         }
532
533         port->tty->low_latency = 1;
534
535         sierra_send_setup(port);
536
537         /* start up the interrupt endpoint if we have one */
538         if (port->interrupt_in_urb) {
539                 result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
540                 if (result)
541                         dev_err(&port->dev, "submit irq_in urb failed %d\n",
542                                 result);
543         }
544         return 0;
545 }
546
547 static void sierra_close(struct usb_serial_port *port, struct file *filp)
548 {
549         int i;
550         struct usb_serial *serial = port->serial;
551         struct sierra_port_private *portdata;
552
553         dbg("%s", __FUNCTION__);
554         portdata = usb_get_serial_port_data(port);
555
556         portdata->rts_state = 0;
557         portdata->dtr_state = 0;
558
559         if (serial->dev) {
560                 sierra_send_setup(port);
561
562                 /* Stop reading/writing urbs */
563                 for (i = 0; i < N_IN_URB; i++)
564                         usb_kill_urb(portdata->in_urbs[i]);
565         }
566
567         usb_kill_urb(port->interrupt_in_urb);
568
569         port->tty = NULL;
570 }
571
572 static int sierra_startup(struct usb_serial *serial)
573 {
574         struct usb_serial_port *port;
575         struct sierra_port_private *portdata;
576         struct urb *urb;
577         int i;
578         int j;
579
580         dbg("%s", __FUNCTION__);
581
582         /*Set Device mode to D0 */
583         sierra_set_power_state(serial->dev, 0x0000);
584
585         /* Now setup per port private data */
586         for (i = 0; i < serial->num_ports; i++) {
587                 port = serial->port[i];
588                 portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
589                 if (!portdata) {
590                         dbg("%s: kmalloc for sierra_port_private (%d) failed!.",
591                                         __FUNCTION__, i);
592                         return -ENOMEM;
593                 }
594                 spin_lock_init(&portdata->lock);
595
596                 usb_set_serial_port_data(port, portdata);
597
598                 /* initialize the in urbs */
599                 for (j = 0; j < N_IN_URB; ++j) {
600                         urb = usb_alloc_urb(0, GFP_KERNEL);
601                         if (urb == NULL) {
602                                 dbg("%s: alloc for in port failed.",
603                                     __FUNCTION__);
604                                 continue;
605                         }
606                         /* Fill URB using supplied data. */
607                         usb_fill_bulk_urb(urb, serial->dev,
608                                           usb_rcvbulkpipe(serial->dev,
609                                                 port->bulk_in_endpointAddress),
610                                           portdata->in_buffer[j], IN_BUFLEN,
611                                           sierra_indat_callback, port);
612                         portdata->in_urbs[j] = urb;
613                 }
614         }
615
616         return 0;
617 }
618
619 static void sierra_shutdown(struct usb_serial *serial)
620 {
621         int i, j;
622         struct usb_serial_port *port;
623         struct sierra_port_private *portdata;
624
625         dbg("%s", __FUNCTION__);
626
627         for (i = 0; i < serial->num_ports; ++i) {
628                 port = serial->port[i];
629                 if (!port)
630                         continue;
631                 portdata = usb_get_serial_port_data(port);
632                 if (!portdata)
633                         continue;
634
635                 for (j = 0; j < N_IN_URB; j++) {
636                         usb_kill_urb(portdata->in_urbs[j]);
637                         usb_free_urb(portdata->in_urbs[j]);
638                         portdata->in_urbs[j] = NULL;
639                 }
640                 kfree(portdata);
641                 usb_set_serial_port_data(port, NULL);
642         }
643 }
644
645 static struct usb_serial_driver sierra_1port_device = {
646         .driver = {
647                 .owner =        THIS_MODULE,
648                 .name =         "sierra1",
649         },
650         .description       = "Sierra USB modem (1 port)",
651         .id_table          = id_table_1port,
652         .usb_driver        = &sierra_driver,
653         .num_interrupt_in  = NUM_DONT_CARE,
654         .num_bulk_in       = 1,
655         .num_bulk_out      = 1,
656         .num_ports         = 1,
657         .open              = sierra_open,
658         .close             = sierra_close,
659         .write             = sierra_write,
660         .write_room        = sierra_write_room,
661         .chars_in_buffer   = sierra_chars_in_buffer,
662         .throttle          = sierra_rx_throttle,
663         .unthrottle        = sierra_rx_unthrottle,
664         .ioctl             = sierra_ioctl,
665         .set_termios       = sierra_set_termios,
666         .break_ctl         = sierra_break_ctl,
667         .tiocmget          = sierra_tiocmget,
668         .tiocmset          = sierra_tiocmset,
669         .attach            = sierra_startup,
670         .shutdown          = sierra_shutdown,
671         .read_int_callback = sierra_instat_callback,
672 };
673
674 static struct usb_serial_driver sierra_3port_device = {
675         .driver = {
676                 .owner =        THIS_MODULE,
677                 .name =         "sierra3",
678         },
679         .description       = "Sierra USB modem (3 port)",
680         .id_table          = id_table_3port,
681         .usb_driver        = &sierra_driver,
682         .num_interrupt_in  = NUM_DONT_CARE,
683         .num_bulk_in       = 3,
684         .num_bulk_out      = 3,
685         .num_ports         = 3,
686         .open              = sierra_open,
687         .close             = sierra_close,
688         .write             = sierra_write,
689         .write_room        = sierra_write_room,
690         .chars_in_buffer   = sierra_chars_in_buffer,
691         .throttle          = sierra_rx_throttle,
692         .unthrottle        = sierra_rx_unthrottle,
693         .ioctl             = sierra_ioctl,
694         .set_termios       = sierra_set_termios,
695         .break_ctl         = sierra_break_ctl,
696         .tiocmget          = sierra_tiocmget,
697         .tiocmset          = sierra_tiocmset,
698         .attach            = sierra_startup,
699         .shutdown          = sierra_shutdown,
700         .read_int_callback = sierra_instat_callback,
701 };
702
703 /* Functions used by new usb-serial code. */
704 static int __init sierra_init(void)
705 {
706         int retval;
707         retval = usb_serial_register(&sierra_1port_device);
708         if (retval)
709                 goto failed_1port_device_register;
710         retval = usb_serial_register(&sierra_3port_device);
711         if (retval)
712                 goto failed_3port_device_register;
713
714
715         retval = usb_register(&sierra_driver);
716         if (retval)
717                 goto failed_driver_register;
718
719         info(DRIVER_DESC ": " DRIVER_VERSION);
720
721         return 0;
722
723 failed_driver_register:
724         usb_serial_deregister(&sierra_3port_device);
725 failed_3port_device_register:
726         usb_serial_deregister(&sierra_1port_device);
727 failed_1port_device_register:
728         return retval;
729 }
730
731 static void __exit sierra_exit(void)
732 {
733         usb_deregister (&sierra_driver);
734         usb_serial_deregister(&sierra_1port_device);
735         usb_serial_deregister(&sierra_3port_device);
736 }
737
738 module_init(sierra_init);
739 module_exit(sierra_exit);
740
741 MODULE_AUTHOR(DRIVER_AUTHOR);
742 MODULE_DESCRIPTION(DRIVER_DESC);
743 MODULE_VERSION(DRIVER_VERSION);
744 MODULE_LICENSE("GPL");
745
746 #ifdef CONFIG_USB_DEBUG
747 module_param(debug, bool, S_IRUGO | S_IWUSR);
748 MODULE_PARM_DESC(debug, "Debug messages");
749 #endif
750