2 USB Driver for Sierra Wireless
4 Copyright (C) 2006, 2007, 2008 Kevin Lloyd <klloyd@sierrawireless.com>
6 IMPORTANT DISCLAIMER: This driver is not commercially supported by
7 Sierra Wireless. Use at your own risk.
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.
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>
17 #define DRIVER_VERSION "v.1.3.2"
18 #define DRIVER_AUTHOR "Kevin Lloyd <klloyd@sierrawireless.com>"
19 #define DRIVER_DESC "USB Driver for Sierra Wireless USB modems"
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 #include <linux/usb/ch9.h>
31 #define SWIMS_USB_REQUEST_SetPower 0x00
32 #define SWIMS_USB_REQUEST_SetNmea 0x07
34 /* per port private data */
37 #define IN_BUFLEN 4096
42 static int sierra_set_power_state(struct usb_device
*udev
, __u16 swiState
)
45 dev_dbg(&udev
->dev
, "%s", __func__
);
46 result
= usb_control_msg(udev
, usb_sndctrlpipe(udev
, 0),
47 SWIMS_USB_REQUEST_SetPower
, /* __u8 request */
48 USB_TYPE_VENDOR
, /* __u8 request type */
49 swiState
, /* __u16 value */
51 NULL
, /* void *data */
53 USB_CTRL_SET_TIMEOUT
); /* int timeout */
57 static int sierra_vsc_set_nmea(struct usb_device
*udev
, __u16 enable
)
60 dev_dbg(&udev
->dev
, "%s", __func__
);
61 result
= usb_control_msg(udev
, usb_sndctrlpipe(udev
, 0),
62 SWIMS_USB_REQUEST_SetNmea
, /* __u8 request */
63 USB_TYPE_VENDOR
, /* __u8 request type */
64 enable
, /* __u16 value */
65 0x0000, /* __u16 index */
66 NULL
, /* void *data */
68 USB_CTRL_SET_TIMEOUT
); /* int timeout */
72 static int sierra_calc_num_ports(struct usb_serial
*serial
)
75 int *num_ports
= usb_get_serial_data(serial
);
76 dev_dbg(&serial
->dev
->dev
, "%s", __func__
);
82 usb_set_serial_data(serial
, NULL
);
88 static int sierra_calc_interface(struct usb_serial
*serial
)
91 struct usb_interface
*p_interface
;
92 struct usb_host_interface
*p_host_interface
;
93 dev_dbg(&serial
->dev
->dev
, "%s", __func__
);
95 /* Get the interface structure pointer from the serial struct */
96 p_interface
= serial
->interface
;
98 /* Get a pointer to the host interface structure */
99 p_host_interface
= p_interface
->cur_altsetting
;
101 /* read the interface descriptor for this active altsetting
102 * to find out the interface number we are on
104 interface
= p_host_interface
->desc
.bInterfaceNumber
;
109 static int sierra_probe(struct usb_serial
*serial
,
110 const struct usb_device_id
*id
)
113 struct usb_device
*udev
;
118 dev_dbg(&serial
->dev
->dev
, "%s", __func__
);
120 num_ports
= kmalloc(sizeof(*num_ports
), GFP_KERNEL
);
124 ifnum
= serial
->interface
->cur_altsetting
->desc
.bInterfaceNumber
;
125 numendpoints
= serial
->interface
->cur_altsetting
->desc
.bNumEndpoints
;
128 /* Figure out the interface number from the serial structure */
129 ifnum
= sierra_calc_interface(serial
);
132 * If this interface supports more than 1 alternate
135 if (serial
->interface
->num_altsetting
== 2) {
136 dev_dbg(&udev
->dev
, "Selecting alt setting for interface %d\n",
138 /* We know the alternate setting is 1 for the MC8785 */
139 usb_set_interface(udev
, ifnum
, 1);
142 /* Dummy interface present on some SKUs should be ignored */
145 else if (numendpoints
<= 3)
148 *num_ports
= (numendpoints
-1)/2;
151 * save off our num_ports info so that we can use it in the
152 * calc_num_ports callback
154 usb_set_serial_data(serial
, (void *)num_ports
);
159 static struct usb_device_id id_table
[] = {
160 { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */
161 { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */
162 { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */
163 { USB_DEVICE(0x03f0, 0x1b1d) }, /* HP ev2200 a.k.a MC5720 */
164 { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */
165 { USB_DEVICE(0x1199, 0x0024) }, /* Sierra Wireless MC5727 */
166 { USB_DEVICE(0x1199, 0x0220) }, /* Sierra Wireless MC5725 */
167 { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */
168 { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */
169 { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */
170 /* Sierra Wireless C597 */
171 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0023, 0xFF, 0xFF, 0xFF) },
172 /* Sierra Wireless Device */
173 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0025, 0xFF, 0xFF, 0xFF) },
174 { USB_DEVICE(0x1199, 0x0026) }, /* Sierra Wireless Device */
175 { USB_DEVICE(0x1199, 0x0027) }, /* Sierra Wireless Device */
176 { USB_DEVICE(0x1199, 0x0028) }, /* Sierra Wireless Device */
178 { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */
179 { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */
180 { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */
181 { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */
182 { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 (Lenovo) */
183 { USB_DEVICE(0x1199, 0x6815) }, /* Sierra Wireless MC8775 */
184 { USB_DEVICE(0x03f0, 0x1e1d) }, /* HP hs2300 a.k.a MC8775 */
185 { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */
186 { USB_DEVICE(0x1199, 0x6821) }, /* Sierra Wireless AirCard 875U */
187 { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780 */
188 { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781 */
189 { USB_DEVICE(0x1199, 0x683A) }, /* Sierra Wireless MC8785 */
190 { USB_DEVICE(0x1199, 0x683B) }, /* Sierra Wireless MC8785 Composite */
191 { USB_DEVICE(0x1199, 0x683C) }, /* Sierra Wireless MC8790 */
192 { USB_DEVICE(0x1199, 0x683D) }, /* Sierra Wireless MC8790 */
193 { USB_DEVICE(0x1199, 0x683E) }, /* Sierra Wireless MC8790 */
194 { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */
195 { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */
196 { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */
197 { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881 E */
198 { USB_DEVICE(0x1199, 0x6855) }, /* Sierra Wireless AirCard 880 U */
199 { USB_DEVICE(0x1199, 0x6856) }, /* Sierra Wireless AirCard 881 U */
200 { USB_DEVICE(0x1199, 0x6859) }, /* Sierra Wireless AirCard 885 E */
201 { USB_DEVICE(0x1199, 0x685A) }, /* Sierra Wireless AirCard 885 E */
202 /* Sierra Wireless C885 */
203 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6880, 0xFF, 0xFF, 0xFF)},
204 /* Sierra Wireless Device */
205 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6890, 0xFF, 0xFF, 0xFF)},
206 /* Sierra Wireless Device */
207 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6891, 0xFF, 0xFF, 0xFF)},
208 /* Sierra Wireless Device */
209 { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6892, 0xFF, 0xFF, 0xFF)},
211 { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
212 { USB_DEVICE(0x0F3D, 0x0112) }, /* Airprime/Sierra PC 5220 */
216 MODULE_DEVICE_TABLE(usb
, id_table
);
218 static struct usb_driver sierra_driver
= {
220 .probe
= usb_serial_probe
,
221 .disconnect
= usb_serial_disconnect
,
222 .id_table
= id_table
,
226 struct sierra_port_private
{
227 spinlock_t lock
; /* lock the structure */
228 int outstanding_urbs
; /* number of out urbs in flight */
230 /* Input endpoints and buffers for this port */
231 struct urb
*in_urbs
[N_IN_URB
];
232 char *in_buffer
[N_IN_URB
];
234 /* Settings for the port */
235 int rts_state
; /* Handshaking pins (outputs) */
237 int cts_state
; /* Handshaking pins (inputs) */
243 static int sierra_send_setup(struct tty_struct
*tty
,
244 struct usb_serial_port
*port
)
246 struct usb_serial
*serial
= port
->serial
;
247 struct sierra_port_private
*portdata
;
252 portdata
= usb_get_serial_port_data(port
);
256 if (portdata
->dtr_state
)
258 if (portdata
->rts_state
)
261 /* If composite device then properly report interface */
262 if (serial
->num_ports
== 1)
263 interface
= sierra_calc_interface(serial
);
265 /* Otherwise the need to do non-composite mapping */
267 if (port
->bulk_out_endpointAddress
== 2)
269 else if (port
->bulk_out_endpointAddress
== 4)
271 else if (port
->bulk_out_endpointAddress
== 5)
275 return usb_control_msg(serial
->dev
,
276 usb_rcvctrlpipe(serial
->dev
, 0),
277 0x22, 0x21, val
, interface
,
278 NULL
, 0, USB_CTRL_SET_TIMEOUT
);
284 static void sierra_set_termios(struct tty_struct
*tty
,
285 struct usb_serial_port
*port
, struct ktermios
*old_termios
)
288 tty_termios_copy_hw(tty
->termios
, old_termios
);
289 sierra_send_setup(tty
, port
);
292 static int sierra_tiocmget(struct tty_struct
*tty
, struct file
*file
)
294 struct usb_serial_port
*port
= tty
->driver_data
;
296 struct sierra_port_private
*portdata
;
298 portdata
= usb_get_serial_port_data(port
);
300 value
= ((portdata
->rts_state
) ? TIOCM_RTS
: 0) |
301 ((portdata
->dtr_state
) ? TIOCM_DTR
: 0) |
302 ((portdata
->cts_state
) ? TIOCM_CTS
: 0) |
303 ((portdata
->dsr_state
) ? TIOCM_DSR
: 0) |
304 ((portdata
->dcd_state
) ? TIOCM_CAR
: 0) |
305 ((portdata
->ri_state
) ? TIOCM_RNG
: 0);
310 static int sierra_tiocmset(struct tty_struct
*tty
, struct file
*file
,
311 unsigned int set
, unsigned int clear
)
313 struct usb_serial_port
*port
= tty
->driver_data
;
314 struct sierra_port_private
*portdata
;
316 portdata
= usb_get_serial_port_data(port
);
319 portdata
->rts_state
= 1;
321 portdata
->dtr_state
= 1;
323 if (clear
& TIOCM_RTS
)
324 portdata
->rts_state
= 0;
325 if (clear
& TIOCM_DTR
)
326 portdata
->dtr_state
= 0;
327 return sierra_send_setup(tty
, port
);
330 static void sierra_outdat_callback(struct urb
*urb
)
332 struct usb_serial_port
*port
= urb
->context
;
333 struct sierra_port_private
*portdata
= usb_get_serial_port_data(port
);
334 int status
= urb
->status
;
337 dbg("%s - port %d", __func__
, port
->number
);
339 /* free up the transfer buffer, as usb_free_urb() does not do this */
340 kfree(urb
->transfer_buffer
);
343 dbg("%s - nonzero write bulk status received: %d",
346 spin_lock_irqsave(&portdata
->lock
, flags
);
347 --portdata
->outstanding_urbs
;
348 spin_unlock_irqrestore(&portdata
->lock
, flags
);
350 usb_serial_port_softint(port
);
354 static int sierra_write(struct tty_struct
*tty
, struct usb_serial_port
*port
,
355 const unsigned char *buf
, int count
)
357 struct sierra_port_private
*portdata
= usb_get_serial_port_data(port
);
358 struct usb_serial
*serial
= port
->serial
;
360 unsigned char *buffer
;
364 portdata
= usb_get_serial_port_data(port
);
366 dbg("%s: write (%d chars)", __func__
, count
);
368 spin_lock_irqsave(&portdata
->lock
, flags
);
369 if (portdata
->outstanding_urbs
> N_OUT_URB
) {
370 spin_unlock_irqrestore(&portdata
->lock
, flags
);
371 dbg("%s - write limit hit\n", __func__
);
374 portdata
->outstanding_urbs
++;
375 spin_unlock_irqrestore(&portdata
->lock
, flags
);
377 buffer
= kmalloc(count
, GFP_ATOMIC
);
379 dev_err(&port
->dev
, "out of memory\n");
381 goto error_no_buffer
;
384 urb
= usb_alloc_urb(0, GFP_ATOMIC
);
386 dev_err(&port
->dev
, "no more free urbs\n");
391 memcpy(buffer
, buf
, count
);
393 usb_serial_debug_data(debug
, &port
->dev
, __func__
, count
, buffer
);
395 usb_fill_bulk_urb(urb
, serial
->dev
,
396 usb_sndbulkpipe(serial
->dev
,
397 port
->bulk_out_endpointAddress
),
398 buffer
, count
, sierra_outdat_callback
, port
);
400 /* send it down the pipe */
401 status
= usb_submit_urb(urb
, GFP_ATOMIC
);
403 dev_err(&port
->dev
, "%s - usb_submit_urb(write bulk) failed "
404 "with status = %d\n", __func__
, status
);
409 /* we are done with this urb, so let the host driver
410 * really free it when it is finished with it */
419 spin_lock_irqsave(&portdata
->lock
, flags
);
420 --portdata
->outstanding_urbs
;
421 spin_unlock_irqrestore(&portdata
->lock
, flags
);
425 static void sierra_indat_callback(struct urb
*urb
)
429 struct usb_serial_port
*port
;
430 struct tty_struct
*tty
;
431 unsigned char *data
= urb
->transfer_buffer
;
432 int status
= urb
->status
;
434 dbg("%s: %p", __func__
, urb
);
436 endpoint
= usb_pipeendpoint(urb
->pipe
);
440 dbg("%s: nonzero status: %d on endpoint %02x.",
441 __func__
, status
, endpoint
);
443 if (urb
->actual_length
) {
444 tty
= tty_port_tty_get(&port
->port
);
445 tty_buffer_request_room(tty
, urb
->actual_length
);
446 tty_insert_flip_string(tty
, data
, urb
->actual_length
);
447 tty_flip_buffer_push(tty
);
450 dbg("%s: empty read urb received", __func__
);
452 /* Resubmit urb so we continue receiving */
453 if (port
->port
.count
&& status
!= -ESHUTDOWN
) {
454 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
456 dev_err(&port
->dev
, "resubmit read urb failed."
463 static void sierra_instat_callback(struct urb
*urb
)
466 int status
= urb
->status
;
467 struct usb_serial_port
*port
= urb
->context
;
468 struct sierra_port_private
*portdata
= usb_get_serial_port_data(port
);
469 struct usb_serial
*serial
= port
->serial
;
472 dbg("%s: urb %p port %p has data %p", __func__
, urb
, port
, portdata
);
475 struct usb_ctrlrequest
*req_pkt
=
476 (struct usb_ctrlrequest
*)urb
->transfer_buffer
;
479 dbg("%s: NULL req_pkt\n", __func__
);
482 if ((req_pkt
->bRequestType
== 0xA1) &&
483 (req_pkt
->bRequest
== 0x20)) {
485 unsigned char signals
= *((unsigned char *)
486 urb
->transfer_buffer
+
487 sizeof(struct usb_ctrlrequest
));
488 struct tty_struct
*tty
;
490 dbg("%s: signal x%x", __func__
, signals
);
492 old_dcd_state
= portdata
->dcd_state
;
493 portdata
->cts_state
= 1;
494 portdata
->dcd_state
= ((signals
& 0x01) ? 1 : 0);
495 portdata
->dsr_state
= ((signals
& 0x02) ? 1 : 0);
496 portdata
->ri_state
= ((signals
& 0x08) ? 1 : 0);
498 tty
= tty_port_tty_get(&port
->port
);
499 if (tty
&& !C_CLOCAL(tty
) &&
500 old_dcd_state
&& !portdata
->dcd_state
)
504 dbg("%s: type %x req %x", __func__
,
505 req_pkt
->bRequestType
, req_pkt
->bRequest
);
508 dbg("%s: error %d", __func__
, status
);
510 /* Resubmit urb so we continue receiving IRQ data */
511 if (status
!= -ESHUTDOWN
) {
512 urb
->dev
= serial
->dev
;
513 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
515 dbg("%s: resubmit intr urb failed. (%d)",
520 static int sierra_write_room(struct tty_struct
*tty
)
522 struct usb_serial_port
*port
= tty
->driver_data
;
523 struct sierra_port_private
*portdata
= usb_get_serial_port_data(port
);
526 dbg("%s - port %d", __func__
, port
->number
);
528 /* try to give a good number back based on if we have any free urbs at
529 * this point in time */
530 spin_lock_irqsave(&portdata
->lock
, flags
);
531 if (portdata
->outstanding_urbs
> N_OUT_URB
* 2 / 3) {
532 spin_unlock_irqrestore(&portdata
->lock
, flags
);
533 dbg("%s - write limit hit\n", __func__
);
536 spin_unlock_irqrestore(&portdata
->lock
, flags
);
541 static int sierra_open(struct tty_struct
*tty
,
542 struct usb_serial_port
*port
, struct file
*filp
)
544 struct sierra_port_private
*portdata
;
545 struct usb_serial
*serial
= port
->serial
;
550 portdata
= usb_get_serial_port_data(port
);
554 /* Set some sane defaults */
555 portdata
->rts_state
= 1;
556 portdata
->dtr_state
= 1;
558 /* Reset low level data toggle and start reading from endpoints */
559 for (i
= 0; i
< N_IN_URB
; i
++) {
560 urb
= portdata
->in_urbs
[i
];
563 if (urb
->dev
!= serial
->dev
) {
564 dbg("%s: dev %p != %p", __func__
,
565 urb
->dev
, serial
->dev
);
570 * make sure endpoint data toggle is synchronized with the
573 usb_clear_halt(urb
->dev
, urb
->pipe
);
575 result
= usb_submit_urb(urb
, GFP_KERNEL
);
577 dev_err(&port
->dev
, "submit urb %d failed (%d) %d\n",
578 i
, result
, urb
->transfer_buffer_length
);
583 tty
->low_latency
= 1;
585 sierra_send_setup(tty
, port
);
587 /* start up the interrupt endpoint if we have one */
588 if (port
->interrupt_in_urb
) {
589 result
= usb_submit_urb(port
->interrupt_in_urb
, GFP_KERNEL
);
591 dev_err(&port
->dev
, "submit irq_in urb failed %d\n",
597 static void sierra_close(struct tty_struct
*tty
,
598 struct usb_serial_port
*port
, struct file
*filp
)
601 struct usb_serial
*serial
= port
->serial
;
602 struct sierra_port_private
*portdata
;
605 portdata
= usb_get_serial_port_data(port
);
607 portdata
->rts_state
= 0;
608 portdata
->dtr_state
= 0;
611 mutex_lock(&serial
->disc_mutex
);
612 if (!serial
->disconnected
)
613 sierra_send_setup(tty
, port
);
614 mutex_unlock(&serial
->disc_mutex
);
616 /* Stop reading/writing urbs */
617 for (i
= 0; i
< N_IN_URB
; i
++)
618 usb_kill_urb(portdata
->in_urbs
[i
]);
621 usb_kill_urb(port
->interrupt_in_urb
);
622 tty_port_tty_set(&port
->port
, NULL
);
625 static int sierra_startup(struct usb_serial
*serial
)
627 struct usb_serial_port
*port
;
628 struct sierra_port_private
*portdata
;
635 /* Set Device mode to D0 */
636 sierra_set_power_state(serial
->dev
, 0x0000);
638 /* Check NMEA and set */
640 sierra_vsc_set_nmea(serial
->dev
, 1);
642 /* Now setup per port private data */
643 for (i
= 0; i
< serial
->num_ports
; i
++) {
644 port
= serial
->port
[i
];
645 portdata
= kzalloc(sizeof(*portdata
), GFP_KERNEL
);
647 dbg("%s: kmalloc for sierra_port_private (%d) failed!.",
651 spin_lock_init(&portdata
->lock
);
652 for (j
= 0; j
< N_IN_URB
; j
++) {
653 portdata
->in_buffer
[j
] = kmalloc(IN_BUFLEN
, GFP_KERNEL
);
654 if (!portdata
->in_buffer
[j
]) {
655 for (--j
; j
>= 0; j
--)
656 kfree(portdata
->in_buffer
[j
]);
662 usb_set_serial_port_data(port
, portdata
);
664 /* initialize the in urbs */
665 for (j
= 0; j
< N_IN_URB
; ++j
) {
666 urb
= usb_alloc_urb(0, GFP_KERNEL
);
668 dbg("%s: alloc for in port failed.",
672 /* Fill URB using supplied data. */
673 usb_fill_bulk_urb(urb
, serial
->dev
,
674 usb_rcvbulkpipe(serial
->dev
,
675 port
->bulk_in_endpointAddress
),
676 portdata
->in_buffer
[j
], IN_BUFLEN
,
677 sierra_indat_callback
, port
);
678 portdata
->in_urbs
[j
] = urb
;
685 static void sierra_shutdown(struct usb_serial
*serial
)
688 struct usb_serial_port
*port
;
689 struct sierra_port_private
*portdata
;
693 for (i
= 0; i
< serial
->num_ports
; ++i
) {
694 port
= serial
->port
[i
];
697 portdata
= usb_get_serial_port_data(port
);
701 for (j
= 0; j
< N_IN_URB
; j
++) {
702 usb_kill_urb(portdata
->in_urbs
[j
]);
703 usb_free_urb(portdata
->in_urbs
[j
]);
704 kfree(portdata
->in_buffer
[j
]);
707 usb_set_serial_port_data(port
, NULL
);
711 static struct usb_serial_driver sierra_device
= {
713 .owner
= THIS_MODULE
,
716 .description
= "Sierra USB modem",
717 .id_table
= id_table
,
718 .usb_driver
= &sierra_driver
,
719 .calc_num_ports
= sierra_calc_num_ports
,
720 .probe
= sierra_probe
,
722 .close
= sierra_close
,
723 .write
= sierra_write
,
724 .write_room
= sierra_write_room
,
725 .set_termios
= sierra_set_termios
,
726 .tiocmget
= sierra_tiocmget
,
727 .tiocmset
= sierra_tiocmset
,
728 .attach
= sierra_startup
,
729 .shutdown
= sierra_shutdown
,
730 .read_int_callback
= sierra_instat_callback
,
733 /* Functions used by new usb-serial code. */
734 static int __init
sierra_init(void)
737 retval
= usb_serial_register(&sierra_device
);
739 goto failed_device_register
;
742 retval
= usb_register(&sierra_driver
);
744 goto failed_driver_register
;
746 info(DRIVER_DESC
": " DRIVER_VERSION
);
750 failed_driver_register
:
751 usb_serial_deregister(&sierra_device
);
752 failed_device_register
:
756 static void __exit
sierra_exit(void)
758 usb_deregister(&sierra_driver
);
759 usb_serial_deregister(&sierra_device
);
762 module_init(sierra_init
);
763 module_exit(sierra_exit
);
765 MODULE_AUTHOR(DRIVER_AUTHOR
);
766 MODULE_DESCRIPTION(DRIVER_DESC
);
767 MODULE_VERSION(DRIVER_VERSION
);
768 MODULE_LICENSE("GPL");
770 module_param(nmea
, bool, S_IRUGO
| S_IWUSR
);
771 MODULE_PARM_DESC(nmea
, "NMEA streaming");
773 module_param(debug
, bool, S_IRUGO
| S_IWUSR
);
774 MODULE_PARM_DESC(debug
, "Debug messages");