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-rw-r--r--drivers/usb/serial/sierra.c729
1 files changed, 698 insertions, 31 deletions
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index d29638daa987..39799d21b855 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -1,21 +1,59 @@
1/* 1/*
2 * Sierra Wireless CDMA Wireless Serial USB driver 2 USB Driver for Sierra Wireless
3 * 3
4 * Current Copy modified by: Kevin Lloyd <linux@sierrawireless.com> 4 Copyright (C) 2006 Kevin Lloyd <linux@sierrawireless.com>
5 * Original Copyright (C) 2005-2006 Greg Kroah-Hartman <gregkh@suse.de> 5
6 * 6 IMPORTANT DISCLAIMER: This driver is not commercially supported by
7 * This program is free software; you can redistribute it and/or 7 Sierra Wireless. Use at your own risk.
8 * modify it under the terms of the GNU General Public License version 8
9 * 2 as published by the Free Software Foundation. 9 This driver is free software; you can redistribute it and/or modify
10 */ 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 History:
17*/
18
19#define DRIVER_VERSION "v.1.0.5"
20#define DRIVER_AUTHOR "Kevin Lloyd <linux@sierrawireless.com>"
21#define DRIVER_DESC "USB Driver for Sierra Wireless USB modems"
11 22
12#include <linux/kernel.h> 23#include <linux/kernel.h>
13#include <linux/init.h> 24#include <linux/jiffies.h>
25#include <linux/errno.h>
14#include <linux/tty.h> 26#include <linux/tty.h>
27#include <linux/tty_flip.h>
15#include <linux/module.h> 28#include <linux/module.h>
16#include <linux/usb.h> 29#include <linux/usb.h>
17#include <linux/usb/serial.h> 30#include <linux/usb/serial.h>
18 31
32/* Function prototypes */
33static int sierra_open(struct usb_serial_port *port, struct file *filp);
34static void sierra_close(struct usb_serial_port *port, struct file *filp);
35static int sierra_startup(struct usb_serial *serial);
36static void sierra_shutdown(struct usb_serial *serial);
37static void sierra_rx_throttle(struct usb_serial_port *port);
38static void sierra_rx_unthrottle(struct usb_serial_port *port);
39static int sierra_write_room(struct usb_serial_port *port);
40
41static void sierra_instat_callback(struct urb *urb);
42
43static int sierra_write(struct usb_serial_port *port,
44 const unsigned char *buf, int count);
45
46static int sierra_chars_in_buffer(struct usb_serial_port *port);
47static int sierra_ioctl(struct usb_serial_port *port, struct file *file,
48 unsigned int cmd, unsigned long arg);
49static void sierra_set_termios(struct usb_serial_port *port,
50 struct termios *old);
51static void sierra_break_ctl(struct usb_serial_port *port, int break_state);
52static int sierra_tiocmget(struct usb_serial_port *port, struct file *file);
53static int sierra_tiocmset(struct usb_serial_port *port, struct file *file,
54 unsigned int set, unsigned int clear);
55static int sierra_send_setup(struct usb_serial_port *port);
56
19static struct usb_device_id id_table [] = { 57static struct usb_device_id id_table [] = {
20 { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */ 58 { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */
21 { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */ 59 { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */
@@ -25,51 +63,680 @@ static struct usb_device_id id_table [] = {
25 { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */ 63 { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */
26 { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 */ 64 { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 */
27 { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */ 65 { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */
28 /* Following devices are supported in the airprime.c driver */ 66
29 /* { USB_DEVICE(0x1199, 0x0112) }, */ /* Sierra Wireless AirCard 580 */ 67 { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
30 /* { USB_DEVICE(0x0F3D, 0x0112) }, */ /* AirPrime/Sierra PC 5220 */ 68 { USB_DEVICE(0x0F3D, 0x0112) }, /* AirPrime/Sierra PC 5220 */
69 { }
70};
71
72static struct usb_device_id id_table_1port [] = {
73 { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
74 { USB_DEVICE(0x0F3D, 0x0112) }, /* AirPrime/Sierra PC 5220 */
31 { } 75 { }
32}; 76};
77
78static struct usb_device_id id_table_3port [] = {
79 { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */
80 { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */
81 { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */
82 { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */
83 { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */
84 { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */
85 { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 */
86 { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */
87 { }
88};
89
90
33MODULE_DEVICE_TABLE(usb, id_table); 91MODULE_DEVICE_TABLE(usb, id_table);
34 92
35static struct usb_driver sierra_driver = { 93static struct usb_driver sierra_driver = {
36 .name = "sierra_wireless", 94 .name = "sierra",
37 .probe = usb_serial_probe, 95 .probe = usb_serial_probe,
38 .disconnect = usb_serial_disconnect, 96 .disconnect = usb_serial_disconnect,
39 .id_table = id_table, 97 .id_table = id_table,
98 .no_dynamic_id = 3,
99};
100
101
102//static struct usb_serial_driver *sierra_device;
103
104static struct usb_serial_driver sierra_1port_device = {
105 .driver = {
106 .owner = THIS_MODULE,
107 .name = "sierra1",
108 },
109 .description = "Sierra USB modem (1 port)",
110 .id_table = id_table_1port,
111 .num_interrupt_in = NUM_DONT_CARE,
112 .num_bulk_in = 1,
113 .num_bulk_out = 1,
114 .num_ports = 1,
115 .open = sierra_open,
116 .close = sierra_close,
117 .write = sierra_write,
118 .write_room = sierra_write_room,
119 .chars_in_buffer = sierra_chars_in_buffer,
120 .throttle = sierra_rx_throttle,
121 .unthrottle = sierra_rx_unthrottle,
122 .ioctl = sierra_ioctl,
123 .set_termios = sierra_set_termios,
124 .break_ctl = sierra_break_ctl,
125 .tiocmget = sierra_tiocmget,
126 .tiocmset = sierra_tiocmset,
127 .attach = sierra_startup,
128 .shutdown = sierra_shutdown,
129 .read_int_callback = sierra_instat_callback,
40}; 130};
41 131
42static struct usb_serial_driver sierra_device = { 132static struct usb_serial_driver sierra_3port_device = {
43 .driver = { 133 .driver = {
44 .owner = THIS_MODULE, 134 .owner = THIS_MODULE,
45 .name = "Sierra_Wireless", 135 .name = "sierra3",
46 }, 136 },
47 .id_table = id_table, 137 .description = "Sierra USB modem (3 port)",
48 .num_interrupt_in = NUM_DONT_CARE, 138 .id_table = id_table_3port,
49 .num_bulk_in = NUM_DONT_CARE, 139 .num_interrupt_in = NUM_DONT_CARE,
50 .num_bulk_out = NUM_DONT_CARE, 140 .num_bulk_in = 3,
51 .num_ports = 3, 141 .num_bulk_out = 3,
142 .num_ports = 3,
143 .open = sierra_open,
144 .close = sierra_close,
145 .write = sierra_write,
146 .write_room = sierra_write_room,
147 .chars_in_buffer = sierra_chars_in_buffer,
148 .throttle = sierra_rx_throttle,
149 .unthrottle = sierra_rx_unthrottle,
150 .ioctl = sierra_ioctl,
151 .set_termios = sierra_set_termios,
152 .break_ctl = sierra_break_ctl,
153 .tiocmget = sierra_tiocmget,
154 .tiocmset = sierra_tiocmset,
155 .attach = sierra_startup,
156 .shutdown = sierra_shutdown,
157 .read_int_callback = sierra_instat_callback,
52}; 158};
53 159
160#ifdef CONFIG_USB_DEBUG
161static int debug;
162#else
163#define debug 0
164#endif
165
166/* per port private data */
167
168#define N_IN_URB 4
169#define N_OUT_URB 1
170#define IN_BUFLEN 4096
171#define OUT_BUFLEN 128
172
173struct sierra_port_private {
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 /* Output endpoints and buffer for this port */
178 struct urb *out_urbs[N_OUT_URB];
179 char out_buffer[N_OUT_URB][OUT_BUFLEN];
180
181 /* Settings for the port */
182 int rts_state; /* Handshaking pins (outputs) */
183 int dtr_state;
184 int cts_state; /* Handshaking pins (inputs) */
185 int dsr_state;
186 int dcd_state;
187 int ri_state;
188
189 unsigned long tx_start_time[N_OUT_URB];
190};
191
192/* Functions used by new usb-serial code. */
54static int __init sierra_init(void) 193static int __init sierra_init(void)
55{ 194{
56 int retval; 195 int retval;
57 196 retval = usb_serial_register(&sierra_1port_device);
58 retval = usb_serial_register(&sierra_device); 197 if (retval)
198 goto failed_1port_device_register;
199 retval = usb_serial_register(&sierra_3port_device);
59 if (retval) 200 if (retval)
60 return retval; 201 goto failed_3port_device_register;
202
203
61 retval = usb_register(&sierra_driver); 204 retval = usb_register(&sierra_driver);
62 if (retval) 205 if (retval)
63 usb_serial_deregister(&sierra_device); 206 goto failed_driver_register;
207
208 info(DRIVER_DESC ": " DRIVER_VERSION);
209
210 return 0;
211
212failed_driver_register:
213 usb_serial_deregister(&sierra_3port_device);
214failed_3port_device_register:
215 usb_serial_deregister(&sierra_1port_device);
216failed_1port_device_register:
64 return retval; 217 return retval;
65} 218}
66 219
67static void __exit sierra_exit(void) 220static void __exit sierra_exit(void)
68{ 221{
69 usb_deregister(&sierra_driver); 222 usb_deregister (&sierra_driver);
70 usb_serial_deregister(&sierra_device); 223 usb_serial_deregister(&sierra_1port_device);
224 usb_serial_deregister(&sierra_3port_device);
71} 225}
72 226
73module_init(sierra_init); 227module_init(sierra_init);
74module_exit(sierra_exit); 228module_exit(sierra_exit);
229
230static void sierra_rx_throttle(struct usb_serial_port *port)
231{
232 dbg("%s", __FUNCTION__);
233}
234
235static void sierra_rx_unthrottle(struct usb_serial_port *port)
236{
237 dbg("%s", __FUNCTION__);
238}
239
240static void sierra_break_ctl(struct usb_serial_port *port, int break_state)
241{
242 /* Unfortunately, I don't know how to send a break */
243 dbg("%s", __FUNCTION__);
244}
245
246static void sierra_set_termios(struct usb_serial_port *port,
247 struct termios *old_termios)
248{
249 dbg("%s", __FUNCTION__);
250
251 sierra_send_setup(port);
252}
253
254static int sierra_tiocmget(struct usb_serial_port *port, struct file *file)
255{
256 unsigned int value;
257 struct sierra_port_private *portdata;
258
259 portdata = usb_get_serial_port_data(port);
260
261 value = ((portdata->rts_state) ? TIOCM_RTS : 0) |
262 ((portdata->dtr_state) ? TIOCM_DTR : 0) |
263 ((portdata->cts_state) ? TIOCM_CTS : 0) |
264 ((portdata->dsr_state) ? TIOCM_DSR : 0) |
265 ((portdata->dcd_state) ? TIOCM_CAR : 0) |
266 ((portdata->ri_state) ? TIOCM_RNG : 0);
267
268 return value;
269}
270
271static int sierra_tiocmset(struct usb_serial_port *port, struct file *file,
272 unsigned int set, unsigned int clear)
273{
274 struct sierra_port_private *portdata;
275
276 portdata = usb_get_serial_port_data(port);
277
278 if (set & TIOCM_RTS)
279 portdata->rts_state = 1;
280 if (set & TIOCM_DTR)
281 portdata->dtr_state = 1;
282
283 if (clear & TIOCM_RTS)
284 portdata->rts_state = 0;
285 if (clear & TIOCM_DTR)
286 portdata->dtr_state = 0;
287 return sierra_send_setup(port);
288}
289
290static int sierra_ioctl(struct usb_serial_port *port, struct file *file,
291 unsigned int cmd, unsigned long arg)
292{
293 return -ENOIOCTLCMD;
294}
295
296/* Write */
297static int sierra_write(struct usb_serial_port *port,
298 const unsigned char *buf, int count)
299{
300 struct sierra_port_private *portdata;
301 int i;
302 int left, todo;
303 struct urb *this_urb = NULL; /* spurious */
304 int err;
305
306 portdata = usb_get_serial_port_data(port);
307
308 dbg("%s: write (%d chars)", __FUNCTION__, count);
309
310 i = 0;
311 left = count;
312 for (i=0; left > 0 && i < N_OUT_URB; i++) {
313 todo = left;
314 if (todo > OUT_BUFLEN)
315 todo = OUT_BUFLEN;
316
317 this_urb = portdata->out_urbs[i];
318 if (this_urb->status == -EINPROGRESS) {
319 if (time_before(jiffies,
320 portdata->tx_start_time[i] + 10 * HZ))
321 continue;
322 usb_unlink_urb(this_urb);
323 continue;
324 }
325 if (this_urb->status != 0)
326 dbg("usb_write %p failed (err=%d)",
327 this_urb, this_urb->status);
328
329 dbg("%s: endpoint %d buf %d", __FUNCTION__,
330 usb_pipeendpoint(this_urb->pipe), i);
331
332 /* send the data */
333 memcpy (this_urb->transfer_buffer, buf, todo);
334 this_urb->transfer_buffer_length = todo;
335
336 this_urb->dev = port->serial->dev;
337 err = usb_submit_urb(this_urb, GFP_ATOMIC);
338 if (err) {
339 dbg("usb_submit_urb %p (write bulk) failed "
340 "(%d, has %d)", this_urb,
341 err, this_urb->status);
342 continue;
343 }
344 portdata->tx_start_time[i] = jiffies;
345 buf += todo;
346 left -= todo;
347 }
348
349 count -= left;
350 dbg("%s: wrote (did %d)", __FUNCTION__, count);
351 return count;
352}
353
354static void sierra_indat_callback(struct urb *urb)
355{
356 int err;
357 int endpoint;
358 struct usb_serial_port *port;
359 struct tty_struct *tty;
360 unsigned char *data = urb->transfer_buffer;
361
362 dbg("%s: %p", __FUNCTION__, urb);
363
364 endpoint = usb_pipeendpoint(urb->pipe);
365 port = (struct usb_serial_port *) urb->context;
366
367 if (urb->status) {
368 dbg("%s: nonzero status: %d on endpoint %02x.",
369 __FUNCTION__, urb->status, endpoint);
370 } else {
371 tty = port->tty;
372 if (urb->actual_length) {
373 tty_buffer_request_room(tty, urb->actual_length);
374 tty_insert_flip_string(tty, data, urb->actual_length);
375 tty_flip_buffer_push(tty);
376 } else {
377 dbg("%s: empty read urb received", __FUNCTION__);
378 }
379
380 /* Resubmit urb so we continue receiving */
381 if (port->open_count && urb->status != -ESHUTDOWN) {
382 err = usb_submit_urb(urb, GFP_ATOMIC);
383 if (err)
384 printk(KERN_ERR "%s: resubmit read urb failed. "
385 "(%d)", __FUNCTION__, err);
386 }
387 }
388 return;
389}
390
391static void sierra_outdat_callback(struct urb *urb)
392{
393 struct usb_serial_port *port;
394
395 dbg("%s", __FUNCTION__);
396
397 port = (struct usb_serial_port *) urb->context;
398
399 usb_serial_port_softint(port);
400}
401
402static void sierra_instat_callback(struct urb *urb)
403{
404 int err;
405 struct usb_serial_port *port = (struct usb_serial_port *) urb->context;
406 struct sierra_port_private *portdata = usb_get_serial_port_data(port);
407 struct usb_serial *serial = port->serial;
408
409 dbg("%s", __FUNCTION__);
410 dbg("%s: urb %p port %p has data %p", __FUNCTION__,urb,port,portdata);
411
412 if (urb->status == 0) {
413 struct usb_ctrlrequest *req_pkt =
414 (struct usb_ctrlrequest *)urb->transfer_buffer;
415
416 if (!req_pkt) {
417 dbg("%s: NULL req_pkt\n", __FUNCTION__);
418 return;
419 }
420 if ((req_pkt->bRequestType == 0xA1) &&
421 (req_pkt->bRequest == 0x20)) {
422 int old_dcd_state;
423 unsigned char signals = *((unsigned char *)
424 urb->transfer_buffer +
425 sizeof(struct usb_ctrlrequest));
426
427 dbg("%s: signal x%x", __FUNCTION__, signals);
428
429 old_dcd_state = portdata->dcd_state;
430 portdata->cts_state = 1;
431 portdata->dcd_state = ((signals & 0x01) ? 1 : 0);
432 portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
433 portdata->ri_state = ((signals & 0x08) ? 1 : 0);
434
435 if (port->tty && !C_CLOCAL(port->tty) &&
436 old_dcd_state && !portdata->dcd_state)
437 tty_hangup(port->tty);
438 } else {
439 dbg("%s: type %x req %x", __FUNCTION__,
440 req_pkt->bRequestType,req_pkt->bRequest);
441 }
442 } else
443 dbg("%s: error %d", __FUNCTION__, urb->status);
444
445 /* Resubmit urb so we continue receiving IRQ data */
446 if (urb->status != -ESHUTDOWN) {
447 urb->dev = serial->dev;
448 err = usb_submit_urb(urb, GFP_ATOMIC);
449 if (err)
450 dbg("%s: resubmit intr urb failed. (%d)",
451 __FUNCTION__, err);
452 }
453}
454
455static int sierra_write_room(struct usb_serial_port *port)
456{
457 struct sierra_port_private *portdata;
458 int i;
459 int data_len = 0;
460 struct urb *this_urb;
461
462 portdata = usb_get_serial_port_data(port);
463
464 for (i=0; i < N_OUT_URB; i++) {
465 this_urb = portdata->out_urbs[i];
466 if (this_urb && this_urb->status != -EINPROGRESS)
467 data_len += OUT_BUFLEN;
468 }
469
470 dbg("%s: %d", __FUNCTION__, data_len);
471 return data_len;
472}
473
474static int sierra_chars_in_buffer(struct usb_serial_port *port)
475{
476 struct sierra_port_private *portdata;
477 int i;
478 int data_len = 0;
479 struct urb *this_urb;
480
481 portdata = usb_get_serial_port_data(port);
482
483 for (i=0; i < N_OUT_URB; i++) {
484 this_urb = portdata->out_urbs[i];
485 if (this_urb && this_urb->status == -EINPROGRESS)
486 data_len += this_urb->transfer_buffer_length;
487 }
488 dbg("%s: %d", __FUNCTION__, data_len);
489 return data_len;
490}
491
492static int sierra_open(struct usb_serial_port *port, struct file *filp)
493{
494 struct sierra_port_private *portdata;
495 struct usb_serial *serial = port->serial;
496 int i, err;
497 struct urb *urb;
498
499 portdata = usb_get_serial_port_data(port);
500
501 dbg("%s", __FUNCTION__);
502
503 /* Set some sane defaults */
504 portdata->rts_state = 1;
505 portdata->dtr_state = 1;
506
507 /* Reset low level data toggle and start reading from endpoints */
508 for (i = 0; i < N_IN_URB; i++) {
509 urb = portdata->in_urbs[i];
510 if (! urb)
511 continue;
512 if (urb->dev != serial->dev) {
513 dbg("%s: dev %p != %p", __FUNCTION__,
514 urb->dev, serial->dev);
515 continue;
516 }
517
518 /*
519 * make sure endpoint data toggle is synchronized with the
520 * device
521 */
522 usb_clear_halt(urb->dev, urb->pipe);
523
524 err = usb_submit_urb(urb, GFP_KERNEL);
525 if (err) {
526 dbg("%s: submit urb %d failed (%d) %d",
527 __FUNCTION__, i, err,
528 urb->transfer_buffer_length);
529 }
530 }
531
532 /* Reset low level data toggle on out endpoints */
533 for (i = 0; i < N_OUT_URB; i++) {
534 urb = portdata->out_urbs[i];
535 if (! urb)
536 continue;
537 urb->dev = serial->dev;
538 /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe),
539 usb_pipeout(urb->pipe), 0); */
540 }
541
542 port->tty->low_latency = 1;
543
544 sierra_send_setup(port);
545
546 return (0);
547}
548
549static inline void stop_urb(struct urb *urb)
550{
551 if (urb && urb->status == -EINPROGRESS)
552 usb_kill_urb(urb);
553}
554
555static void sierra_close(struct usb_serial_port *port, struct file *filp)
556{
557 int i;
558 struct usb_serial *serial = port->serial;
559 struct sierra_port_private *portdata;
560
561 dbg("%s", __FUNCTION__);
562 portdata = usb_get_serial_port_data(port);
563
564 portdata->rts_state = 0;
565 portdata->dtr_state = 0;
566
567 if (serial->dev) {
568 sierra_send_setup(port);
569
570 /* Stop reading/writing urbs */
571 for (i = 0; i < N_IN_URB; i++)
572 stop_urb(portdata->in_urbs[i]);
573 for (i = 0; i < N_OUT_URB; i++)
574 stop_urb(portdata->out_urbs[i]);
575 }
576 port->tty = NULL;
577}
578
579/* Helper functions used by sierra_setup_urbs */
580static struct urb *sierra_setup_urb(struct usb_serial *serial, int endpoint,
581 int dir, void *ctx, char *buf, int len,
582 void (*callback)(struct urb *))
583{
584 struct urb *urb;
585
586 if (endpoint == -1)
587 return NULL; /* endpoint not needed */
588
589 urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */
590 if (urb == NULL) {
591 dbg("%s: alloc for endpoint %d failed.", __FUNCTION__, endpoint);
592 return NULL;
593 }
594
595 /* Fill URB using supplied data. */
596 usb_fill_bulk_urb(urb, serial->dev,
597 usb_sndbulkpipe(serial->dev, endpoint) | dir,
598 buf, len, callback, ctx);
599
600 return urb;
601}
602
603/* Setup urbs */
604static void sierra_setup_urbs(struct usb_serial *serial)
605{
606 int i,j;
607 struct usb_serial_port *port;
608 struct sierra_port_private *portdata;
609
610 dbg("%s", __FUNCTION__);
611
612 for (i = 0; i < serial->num_ports; i++) {
613 port = serial->port[i];
614 portdata = usb_get_serial_port_data(port);
615
616 /* Do indat endpoints first */
617 for (j = 0; j < N_IN_URB; ++j) {
618 portdata->in_urbs[j] = sierra_setup_urb (serial,
619 port->bulk_in_endpointAddress, USB_DIR_IN, port,
620 portdata->in_buffer[j], IN_BUFLEN, sierra_indat_callback);
621 }
622
623 /* outdat endpoints */
624 for (j = 0; j < N_OUT_URB; ++j) {
625 portdata->out_urbs[j] = sierra_setup_urb (serial,
626 port->bulk_out_endpointAddress, USB_DIR_OUT, port,
627 portdata->out_buffer[j], OUT_BUFLEN, sierra_outdat_callback);
628 }
629 }
630}
631
632static int sierra_send_setup(struct usb_serial_port *port)
633{
634 struct usb_serial *serial = port->serial;
635 struct sierra_port_private *portdata;
636
637 dbg("%s", __FUNCTION__);
638
639 portdata = usb_get_serial_port_data(port);
640
641 if (port->tty) {
642 int val = 0;
643 if (portdata->dtr_state)
644 val |= 0x01;
645 if (portdata->rts_state)
646 val |= 0x02;
647
648 return usb_control_msg(serial->dev,
649 usb_rcvctrlpipe(serial->dev, 0),
650 0x22,0x21,val,0,NULL,0,USB_CTRL_SET_TIMEOUT);
651 }
652
653 return 0;
654}
655
656static int sierra_startup(struct usb_serial *serial)
657{
658 int i, err;
659 struct usb_serial_port *port;
660 struct sierra_port_private *portdata;
661
662 dbg("%s", __FUNCTION__);
663
664 /* Now setup per port private data */
665 for (i = 0; i < serial->num_ports; i++) {
666 port = serial->port[i];
667 portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
668 if (!portdata) {
669 dbg("%s: kmalloc for sierra_port_private (%d) failed!.",
670 __FUNCTION__, i);
671 return (1);
672 }
673
674 usb_set_serial_port_data(port, portdata);
675
676 if (! port->interrupt_in_urb)
677 continue;
678 err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
679 if (err)
680 dbg("%s: submit irq_in urb failed %d",
681 __FUNCTION__, err);
682 }
683
684 sierra_setup_urbs(serial);
685
686 return (0);
687}
688
689static void sierra_shutdown(struct usb_serial *serial)
690{
691 int i, j;
692 struct usb_serial_port *port;
693 struct sierra_port_private *portdata;
694
695 dbg("%s", __FUNCTION__);
696
697 /* Stop reading/writing urbs */
698 for (i = 0; i < serial->num_ports; ++i) {
699 port = serial->port[i];
700 portdata = usb_get_serial_port_data(port);
701 for (j = 0; j < N_IN_URB; j++)
702 stop_urb(portdata->in_urbs[j]);
703 for (j = 0; j < N_OUT_URB; j++)
704 stop_urb(portdata->out_urbs[j]);
705 }
706
707 /* Now free them */
708 for (i = 0; i < serial->num_ports; ++i) {
709 port = serial->port[i];
710 portdata = usb_get_serial_port_data(port);
711
712 for (j = 0; j < N_IN_URB; j++) {
713 if (portdata->in_urbs[j]) {
714 usb_free_urb(portdata->in_urbs[j]);
715 portdata->in_urbs[j] = NULL;
716 }
717 }
718 for (j = 0; j < N_OUT_URB; j++) {
719 if (portdata->out_urbs[j]) {
720 usb_free_urb(portdata->out_urbs[j]);
721 portdata->out_urbs[j] = NULL;
722 }
723 }
724 }
725
726 /* Now free per port private data */
727 for (i = 0; i < serial->num_ports; i++) {
728 port = serial->port[i];
729 kfree(usb_get_serial_port_data(port));
730 }
731}
732
733MODULE_AUTHOR(DRIVER_AUTHOR);
734MODULE_DESCRIPTION(DRIVER_DESC);
735MODULE_VERSION(DRIVER_VERSION);
75MODULE_LICENSE("GPL"); 736MODULE_LICENSE("GPL");
737
738#ifdef CONFIG_USB_DEBUG
739module_param(debug, bool, S_IRUGO | S_IWUSR);
740MODULE_PARM_DESC(debug, "Debug messages");
741#endif
742
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-02 02:43:04 -0400