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x86: 64-bit, add the new split_large_page() function
[wrt350n-kernel.git] / drivers / usb / serial / sierra.c
blobc295d0495f96f9a6a490494e504ee0510f9a40fb
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, 0x0220) }, /* Sierra Wireless MC5725 */
104 { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */
105 { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */
106 { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */
107
108 { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */
109 { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */
110 { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */
111 { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */
112 { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 (Thinkpad internal) */
113 { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */
114 { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780*/
115 { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781*/
116 { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */
117 { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */
118 { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */
119 { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881 E */
120
121 { USB_DEVICE(0x1199, 0x0112), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless AirCard 580 */
122 { USB_DEVICE(0x0F3D, 0x0112), .driver_info = DEVICE_1_PORT }, /* Airprime/Sierra PC 5220 */
123
124 { USB_DEVICE(0x1199, 0x0FFF), .driver_info = DEVICE_INSTALLER},
125 { }
126 };
127 MODULE_DEVICE_TABLE(usb, id_table);
128
129 static struct usb_device_id id_table_1port [] = {
130 { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
131 { USB_DEVICE(0x0F3D, 0x0112) }, /* AirPrime/Sierra PC 5220 */
132 { }
133 };
134
135 static struct usb_device_id id_table_3port [] = {
136 { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */
137 { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */
138 { USB_DEVICE(0x0f30, 0x1b1d) }, /* Sierra Wireless MC5720 */
139 { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */
140 { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */
141 { USB_DEVICE(0x1199, 0x0220) }, /* Sierra Wireless MC5725 */
142 { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */
143 { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */
144 { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U*/
145
146 { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */
147 { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */
148 { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */
149 { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */
150 { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 (Thinkpad internal) */
151 { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */
152 { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780*/
153 { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781*/
154 { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */
155 { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */
156 { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880E */
157 { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881E */
158 { }
159 };
160
161 static struct usb_driver sierra_driver = {
162 .name = "sierra",
163 .probe = sierra_probe,
164 .disconnect = usb_serial_disconnect,
165 .id_table = id_table,
166 .no_dynamic_id = 1,
167 };
168
169
170 struct sierra_port_private {
171 spinlock_t lock; /* lock the structure */
172 int outstanding_urbs; /* number of out urbs in flight */
173
174 /* Input endpoints and buffer for this port */
175 struct urb *in_urbs[N_IN_URB];
176 char in_buffer[N_IN_URB][IN_BUFLEN];
177
178 /* Settings for the port */
179 int rts_state; /* Handshaking pins (outputs) */
180 int dtr_state;
181 int cts_state; /* Handshaking pins (inputs) */
182 int dsr_state;
183 int dcd_state;
184 int ri_state;
185 };
186
187 static int sierra_send_setup(struct usb_serial_port *port)
188 {
189 struct usb_serial *serial = port->serial;
190 struct sierra_port_private *portdata;
191
192 dbg("%s", __FUNCTION__);
193
194 portdata = usb_get_serial_port_data(port);
195
196 if (port->tty) {
197 int val = 0;
198 if (portdata->dtr_state)
199 val |= 0x01;
200 if (portdata->rts_state)
201 val |= 0x02;
202
203 return usb_control_msg(serial->dev,
204 usb_rcvctrlpipe(serial->dev, 0),
205 0x22,0x21,val,0,NULL,0,USB_CTRL_SET_TIMEOUT);
206 }
207
208 return 0;
209 }
210
211 static void sierra_rx_throttle(struct usb_serial_port *port)
212 {
213 dbg("%s", __FUNCTION__);
214 }
215
216 static void sierra_rx_unthrottle(struct usb_serial_port *port)
217 {
218 dbg("%s", __FUNCTION__);
219 }
220
221 static void sierra_break_ctl(struct usb_serial_port *port, int break_state)
222 {
223 /* Unfortunately, I don't know how to send a break */
224 dbg("%s", __FUNCTION__);
225 }
226
227 static void sierra_set_termios(struct usb_serial_port *port,
228 struct ktermios *old_termios)
229 {
230 dbg("%s", __FUNCTION__);
231 tty_termios_copy_hw(port->tty->termios, old_termios);
232 sierra_send_setup(port);
233 }
234
235 static int sierra_tiocmget(struct usb_serial_port *port, struct file *file)
236 {
237 unsigned int value;
238 struct sierra_port_private *portdata;
239
240 portdata = usb_get_serial_port_data(port);
241
242 value = ((portdata->rts_state) ? TIOCM_RTS : 0) |
243 ((portdata->dtr_state) ? TIOCM_DTR : 0) |
244 ((portdata->cts_state) ? TIOCM_CTS : 0) |
245 ((portdata->dsr_state) ? TIOCM_DSR : 0) |
246 ((portdata->dcd_state) ? TIOCM_CAR : 0) |
247 ((portdata->ri_state) ? TIOCM_RNG : 0);
248
249 return value;
250 }
251
252 static int sierra_tiocmset(struct usb_serial_port *port, struct file *file,
253 unsigned int set, unsigned int clear)
254 {
255 struct sierra_port_private *portdata;
256
257 portdata = usb_get_serial_port_data(port);
258
259 if (set & TIOCM_RTS)
260 portdata->rts_state = 1;
261 if (set & TIOCM_DTR)
262 portdata->dtr_state = 1;
263
264 if (clear & TIOCM_RTS)
265 portdata->rts_state = 0;
266 if (clear & TIOCM_DTR)
267 portdata->dtr_state = 0;
268 return sierra_send_setup(port);
269 }
270
271 static int sierra_ioctl(struct usb_serial_port *port, struct file *file,
272 unsigned int cmd, unsigned long arg)
273 {
274 return -ENOIOCTLCMD;
275 }
276
277 static void sierra_outdat_callback(struct urb *urb)
278 {
279 struct usb_serial_port *port = urb->context;
280 struct sierra_port_private *portdata = usb_get_serial_port_data(port);
281 int status = urb->status;
282 unsigned long flags;
283
284 dbg("%s - port %d", __FUNCTION__, port->number);
285
286 /* free up the transfer buffer, as usb_free_urb() does not do this */
287 kfree(urb->transfer_buffer);
288
289 if (status)
290 dbg("%s - nonzero write bulk status received: %d",
291 __FUNCTION__, status);
292
293 spin_lock_irqsave(&portdata->lock, flags);
294 --portdata->outstanding_urbs;
295 spin_unlock_irqrestore(&portdata->lock, flags);
296
297 usb_serial_port_softint(port);
298 }
299
300 /* Write */
301 static int sierra_write(struct usb_serial_port *port,
302 const unsigned char *buf, int count)
303 {
304 struct sierra_port_private *portdata = usb_get_serial_port_data(port);
305 struct usb_serial *serial = port->serial;
306 unsigned long flags;
307 unsigned char *buffer;
308 struct urb *urb;
309 int status;
310
311 portdata = usb_get_serial_port_data(port);
312
313 dbg("%s: write (%d chars)", __FUNCTION__, count);
314
315 spin_lock_irqsave(&portdata->lock, flags);
316 if (portdata->outstanding_urbs > N_OUT_URB) {
317 spin_unlock_irqrestore(&portdata->lock, flags);
318 dbg("%s - write limit hit\n", __FUNCTION__);
319 return 0;
320 }
321 portdata->outstanding_urbs++;
322 spin_unlock_irqrestore(&portdata->lock, flags);
323
324 buffer = kmalloc(count, GFP_ATOMIC);
325 if (!buffer) {
326 dev_err(&port->dev, "out of memory\n");
327 count = -ENOMEM;
328 goto error_no_buffer;
329 }
330
331 urb = usb_alloc_urb(0, GFP_ATOMIC);
332 if (!urb) {
333 dev_err(&port->dev, "no more free urbs\n");
334 count = -ENOMEM;
335 goto error_no_urb;
336 }
337
338 memcpy(buffer, buf, count);
339
340 usb_serial_debug_data(debug, &port->dev, __FUNCTION__, count, buffer);
341
342 usb_fill_bulk_urb(urb, serial->dev,
343 usb_sndbulkpipe(serial->dev,
344 port->bulk_out_endpointAddress),
345 buffer, count, sierra_outdat_callback, port);
346
347 /* send it down the pipe */
348 status = usb_submit_urb(urb, GFP_ATOMIC);
349 if (status) {
350 dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed "
351 "with status = %d\n", __FUNCTION__, status);
352 count = status;
353 goto error;
354 }
355
356 /* we are done with this urb, so let the host driver
357 * really free it when it is finished with it */
358 usb_free_urb(urb);
359
360 return count;
361 error:
362 usb_free_urb(urb);
363 error_no_urb:
364 kfree(buffer);
365 error_no_buffer:
366 spin_lock_irqsave(&portdata->lock, flags);
367 --portdata->outstanding_urbs;
368 spin_unlock_irqrestore(&portdata->lock, flags);
369 return count;
370 }
371
372 static void sierra_indat_callback(struct urb *urb)
373 {
374 int err;
375 int endpoint;
376 struct usb_serial_port *port;
377 struct tty_struct *tty;
378 unsigned char *data = urb->transfer_buffer;
379 int status = urb->status;
380
381 dbg("%s: %p", __FUNCTION__, urb);
382
383 endpoint = usb_pipeendpoint(urb->pipe);
384 port = (struct usb_serial_port *) urb->context;
385
386 if (status) {
387 dbg("%s: nonzero status: %d on endpoint %02x.",
388 __FUNCTION__, status, endpoint);
389 } else {
390 tty = port->tty;
391 if (urb->actual_length) {
392 tty_buffer_request_room(tty, urb->actual_length);
393 tty_insert_flip_string(tty, data, urb->actual_length);
394 tty_flip_buffer_push(tty);
395 } else {
396 dbg("%s: empty read urb received", __FUNCTION__);
397 }
398
399 /* Resubmit urb so we continue receiving */
400 if (port->open_count && status != -ESHUTDOWN) {
401 err = usb_submit_urb(urb, GFP_ATOMIC);
402 if (err)
403 dev_err(&port->dev, "resubmit read urb failed."
404 "(%d)\n", err);
405 }
406 }
407 return;
408 }
409
410 static void sierra_instat_callback(struct urb *urb)
411 {
412 int err;
413 int status = urb->status;
414 struct usb_serial_port *port = (struct usb_serial_port *) urb->context;
415 struct sierra_port_private *portdata = usb_get_serial_port_data(port);
416 struct usb_serial *serial = port->serial;
417
418 dbg("%s", __FUNCTION__);
419 dbg("%s: urb %p port %p has data %p", __FUNCTION__,urb,port,portdata);
420
421 if (status == 0) {
422 struct usb_ctrlrequest *req_pkt =
423 (struct usb_ctrlrequest *)urb->transfer_buffer;
424
425 if (!req_pkt) {
426 dbg("%s: NULL req_pkt\n", __FUNCTION__);
427 return;
428 }
429 if ((req_pkt->bRequestType == 0xA1) &&
430 (req_pkt->bRequest == 0x20)) {
431 int old_dcd_state;
432 unsigned char signals = *((unsigned char *)
433 urb->transfer_buffer +
434 sizeof(struct usb_ctrlrequest));
435
436 dbg("%s: signal x%x", __FUNCTION__, signals);
437
438 old_dcd_state = portdata->dcd_state;
439 portdata->cts_state = 1;
440 portdata->dcd_state = ((signals & 0x01) ? 1 : 0);
441 portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
442 portdata->ri_state = ((signals & 0x08) ? 1 : 0);
443
444 if (port->tty && !C_CLOCAL(port->tty) &&
445 old_dcd_state && !portdata->dcd_state)
446 tty_hangup(port->tty);
447 } else {
448 dbg("%s: type %x req %x", __FUNCTION__,
449 req_pkt->bRequestType,req_pkt->bRequest);
450 }
451 } else
452 dbg("%s: error %d", __FUNCTION__, status);
453
454 /* Resubmit urb so we continue receiving IRQ data */
455 if (status != -ESHUTDOWN) {
456 urb->dev = serial->dev;
457 err = usb_submit_urb(urb, GFP_ATOMIC);
458 if (err)
459 dbg("%s: resubmit intr urb failed. (%d)",
460 __FUNCTION__, err);
461 }
462 }
463
464 static int sierra_write_room(struct usb_serial_port *port)
465 {
466 struct sierra_port_private *portdata = usb_get_serial_port_data(port);
467 unsigned long flags;
468
469 dbg("%s - port %d", __FUNCTION__, port->number);
470
471 /* try to give a good number back based on if we have any free urbs at
472 * this point in time */
473 spin_lock_irqsave(&portdata->lock, flags);
474 if (portdata->outstanding_urbs > N_OUT_URB * 2 / 3) {
475 spin_unlock_irqrestore(&portdata->lock, flags);
476 dbg("%s - write limit hit\n", __FUNCTION__);
477 return 0;
478 }
479 spin_unlock_irqrestore(&portdata->lock, flags);
480
481 return 2048;
482 }
483
484 static int sierra_chars_in_buffer(struct usb_serial_port *port)
485 {
486 dbg("%s - port %d", __FUNCTION__, port->number);
487
488 /*
489 * We can't really account for how much data we
490 * have sent out, but hasn't made it through to the
491 * device as we can't see the backend here, so just
492 * tell the tty layer that everything is flushed.
493 */
494 return 0;
495 }
496
497 static int sierra_open(struct usb_serial_port *port, struct file *filp)
498 {
499 struct sierra_port_private *portdata;
500 struct usb_serial *serial = port->serial;
501 int i;
502 struct urb *urb;
503 int result;
504
505 portdata = usb_get_serial_port_data(port);
506
507 dbg("%s", __FUNCTION__);
508
509 /* Set some sane defaults */
510 portdata->rts_state = 1;
511 portdata->dtr_state = 1;
512
513 /* Reset low level data toggle and start reading from endpoints */
514 for (i = 0; i < N_IN_URB; i++) {
515 urb = portdata->in_urbs[i];
516 if (!urb)
517 continue;
518 if (urb->dev != serial->dev) {
519 dbg("%s: dev %p != %p", __FUNCTION__,
520 urb->dev, serial->dev);
521 continue;
522 }
523
524 /*
525 * make sure endpoint data toggle is synchronized with the
526 * device
527 */
528 usb_clear_halt(urb->dev, urb->pipe);
529
530 result = usb_submit_urb(urb, GFP_KERNEL);
531 if (result) {
532 dev_err(&port->dev, "submit urb %d failed (%d) %d\n",
533 i, result, urb->transfer_buffer_length);
534 }
535 }
536
537 port->tty->low_latency = 1;
538
539 sierra_send_setup(port);
540
541 /* start up the interrupt endpoint if we have one */
542 if (port->interrupt_in_urb) {
543 result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
544 if (result)
545 dev_err(&port->dev, "submit irq_in urb failed %d\n",
546 result);
547 }
548 return 0;
549 }
550
551 static void sierra_close(struct usb_serial_port *port, struct file *filp)
552 {
553 int i;
554 struct usb_serial *serial = port->serial;
555 struct sierra_port_private *portdata;
556
557 dbg("%s", __FUNCTION__);
558 portdata = usb_get_serial_port_data(port);
559
560 portdata->rts_state = 0;
561 portdata->dtr_state = 0;
562
563 if (serial->dev) {
564 sierra_send_setup(port);
565
566 /* Stop reading/writing urbs */
567 for (i = 0; i < N_IN_URB; i++)
568 usb_kill_urb(portdata->in_urbs[i]);
569 }
570
571 usb_kill_urb(port->interrupt_in_urb);
572
573 port->tty = NULL;
574 }
575
576 static int sierra_startup(struct usb_serial *serial)
577 {
578 struct usb_serial_port *port;
579 struct sierra_port_private *portdata;
580 struct urb *urb;
581 int i;
582 int j;
583
584 dbg("%s", __FUNCTION__);
585
586 /*Set Device mode to D0 */
587 sierra_set_power_state(serial->dev, 0x0000);
588
589 /* Now setup per port private data */
590 for (i = 0; i < serial->num_ports; i++) {
591 port = serial->port[i];
592 portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
593 if (!portdata) {
594 dbg("%s: kmalloc for sierra_port_private (%d) failed!.",
595 __FUNCTION__, i);
596 return -ENOMEM;
597 }
598 spin_lock_init(&portdata->lock);
599
600 usb_set_serial_port_data(port, portdata);
601
602 /* initialize the in urbs */
603 for (j = 0; j < N_IN_URB; ++j) {
604 urb = usb_alloc_urb(0, GFP_KERNEL);
605 if (urb == NULL) {
606 dbg("%s: alloc for in port failed.",
607 __FUNCTION__);
608 continue;
609 }
610 /* Fill URB using supplied data. */
611 usb_fill_bulk_urb(urb, serial->dev,
612 usb_rcvbulkpipe(serial->dev,
613 port->bulk_in_endpointAddress),
614 portdata->in_buffer[j], IN_BUFLEN,
615 sierra_indat_callback, port);
616 portdata->in_urbs[j] = urb;
617 }
618 }
619
620 return 0;
621 }
622
623 static void sierra_shutdown(struct usb_serial *serial)
624 {
625 int i, j;
626 struct usb_serial_port *port;
627 struct sierra_port_private *portdata;
628
629 dbg("%s", __FUNCTION__);
630
631 for (i = 0; i < serial->num_ports; ++i) {
632 port = serial->port[i];
633 if (!port)
634 continue;
635 portdata = usb_get_serial_port_data(port);
636 if (!portdata)
637 continue;
638
639 for (j = 0; j < N_IN_URB; j++) {
640 usb_kill_urb(portdata->in_urbs[j]);
641 usb_free_urb(portdata->in_urbs[j]);
642 portdata->in_urbs[j] = NULL;
643 }
644 kfree(portdata);
645 usb_set_serial_port_data(port, NULL);
646 }
647 }
648
649 static struct usb_serial_driver sierra_1port_device = {
650 .driver = {
651 .owner = THIS_MODULE,
652 .name = "sierra1",
653 },
654 .description = "Sierra USB modem (1 port)",
655 .id_table = id_table_1port,
656 .usb_driver = &sierra_driver,
657 .num_interrupt_in = NUM_DONT_CARE,
658 .num_bulk_in = 1,
659 .num_bulk_out = 1,
660 .num_ports = 1,
661 .open = sierra_open,
662 .close = sierra_close,
663 .write = sierra_write,
664 .write_room = sierra_write_room,
665 .chars_in_buffer = sierra_chars_in_buffer,
666 .throttle = sierra_rx_throttle,
667 .unthrottle = sierra_rx_unthrottle,
668 .ioctl = sierra_ioctl,
669 .set_termios = sierra_set_termios,
670 .break_ctl = sierra_break_ctl,
671 .tiocmget = sierra_tiocmget,
672 .tiocmset = sierra_tiocmset,
673 .attach = sierra_startup,
674 .shutdown = sierra_shutdown,
675 .read_int_callback = sierra_instat_callback,
676 };
677
678 static struct usb_serial_driver sierra_3port_device = {
679 .driver = {
680 .owner = THIS_MODULE,
681 .name = "sierra3",
682 },
683 .description = "Sierra USB modem (3 port)",
684 .id_table = id_table_3port,
685 .usb_driver = &sierra_driver,
686 .num_interrupt_in = NUM_DONT_CARE,
687 .num_bulk_in = 3,
688 .num_bulk_out = 3,
689 .num_ports = 3,
690 .open = sierra_open,
691 .close = sierra_close,
692 .write = sierra_write,
693 .write_room = sierra_write_room,
694 .chars_in_buffer = sierra_chars_in_buffer,
695 .throttle = sierra_rx_throttle,
696 .unthrottle = sierra_rx_unthrottle,
697 .ioctl = sierra_ioctl,
698 .set_termios = sierra_set_termios,
699 .break_ctl = sierra_break_ctl,
700 .tiocmget = sierra_tiocmget,
701 .tiocmset = sierra_tiocmset,
702 .attach = sierra_startup,
703 .shutdown = sierra_shutdown,
704 .read_int_callback = sierra_instat_callback,
705 };
706
707 /* Functions used by new usb-serial code. */
708 static int __init sierra_init(void)
709 {
710 int retval;
711 retval = usb_serial_register(&sierra_1port_device);
712 if (retval)
713 goto failed_1port_device_register;
714 retval = usb_serial_register(&sierra_3port_device);
715 if (retval)
716 goto failed_3port_device_register;
717
718
719 retval = usb_register(&sierra_driver);
720 if (retval)
721 goto failed_driver_register;
722
723 info(DRIVER_DESC ": " DRIVER_VERSION);
724
725 return 0;
726
727 failed_driver_register:
728 usb_serial_deregister(&sierra_3port_device);
729 failed_3port_device_register:
730 usb_serial_deregister(&sierra_1port_device);
731 failed_1port_device_register:
732 return retval;
733 }
734
735 static void __exit sierra_exit(void)
736 {
737 usb_deregister (&sierra_driver);
738 usb_serial_deregister(&sierra_1port_device);
739 usb_serial_deregister(&sierra_3port_device);
740 }
741
742 module_init(sierra_init);
743 module_exit(sierra_exit);
744
745 MODULE_AUTHOR(DRIVER_AUTHOR);
746 MODULE_DESCRIPTION(DRIVER_DESC);
747 MODULE_VERSION(DRIVER_VERSION);
748 MODULE_LICENSE("GPL");
749
750 #ifdef CONFIG_USB_DEBUG
751 module_param(debug, bool, S_IRUGO | S_IWUSR);
752 MODULE_PARM_DESC(debug, "Debug messages");
753 #endif
754
WRT350N Kernel Patches