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Commit | Line | Data |
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69de51fd | 1 | /* |
033a3fb9 KL |
2 | USB Driver for Sierra Wireless |
3 | ||
40d2ff32 EP |
4 | Copyright (C) 2006, 2007, 2008 Kevin Lloyd <klloyd@sierrawireless.com>, |
5 | ||
6 | Copyright (C) 2008, 2009 Elina Pasheva, Matthew Safar, Rory Filer | |
7 | <linux@sierrawireless.com> | |
033a3fb9 KL |
8 | |
9 | IMPORTANT DISCLAIMER: This driver is not commercially supported by | |
10 | Sierra Wireless. Use at your own risk. | |
11 | ||
12 | This driver is free software; you can redistribute it and/or modify | |
13 | it under the terms of Version 2 of the GNU General Public License as | |
14 | published by the Free Software Foundation. | |
15 | ||
16 | Portions based on the option driver by Matthias Urlichs <smurf@smurf.noris.de> | |
17 | Whom based his on the Keyspan driver by Hugh Blemings <hugh@blemings.org> | |
033a3fb9 KL |
18 | */ |
19 | ||
238ebd13 | 20 | #define DRIVER_VERSION "v.1.3.7" |
40d2ff32 | 21 | #define DRIVER_AUTHOR "Kevin Lloyd, Elina Pasheva, Matthew Safar, Rory Filer" |
033a3fb9 | 22 | #define DRIVER_DESC "USB Driver for Sierra Wireless USB modems" |
69de51fd KL |
23 | |
24 | #include <linux/kernel.h> | |
033a3fb9 KL |
25 | #include <linux/jiffies.h> |
26 | #include <linux/errno.h> | |
69de51fd | 27 | #include <linux/tty.h> |
033a3fb9 | 28 | #include <linux/tty_flip.h> |
69de51fd KL |
29 | #include <linux/module.h> |
30 | #include <linux/usb.h> | |
a969888c | 31 | #include <linux/usb/serial.h> |
69de51fd | 32 | |
228426ed KL |
33 | #define SWIMS_USB_REQUEST_SetPower 0x00 |
34 | #define SWIMS_USB_REQUEST_SetNmea 0x07 | |
112225b1 | 35 | |
b748bb71 EP |
36 | #define N_IN_URB 8 |
37 | #define N_OUT_URB 64 | |
112225b1 KL |
38 | #define IN_BUFLEN 4096 |
39 | ||
40d2ff32 EP |
40 | #define MAX_TRANSFER (PAGE_SIZE - 512) |
41 | /* MAX_TRANSFER is chosen so that the VM is not stressed by | |
42 | allocations > PAGE_SIZE and the number of packets in a page | |
43 | is an integer 512 is the largest possible packet on EHCI */ | |
44 | ||
112225b1 | 45 | static int debug; |
228426ed | 46 | static int nmea; |
112225b1 | 47 | |
4db2299d EP |
48 | /* Used in interface blacklisting */ |
49 | struct sierra_iface_info { | |
50 | const u32 infolen; /* number of interface numbers on blacklist */ | |
51 | const u8 *ifaceinfo; /* pointer to the array holding the numbers */ | |
52 | }; | |
53 | ||
82a24e68 | 54 | static int sierra_set_power_state(struct usb_device *udev, __u16 swiState) |
112225b1 KL |
55 | { |
56 | int result; | |
5d44b361 | 57 | dev_dbg(&udev->dev, "%s\n", __func__); |
112225b1 | 58 | result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
228426ed | 59 | SWIMS_USB_REQUEST_SetPower, /* __u8 request */ |
f3564de4 | 60 | USB_TYPE_VENDOR, /* __u8 request type */ |
228426ed KL |
61 | swiState, /* __u16 value */ |
62 | 0, /* __u16 index */ | |
63 | NULL, /* void *data */ | |
64 | 0, /* __u16 size */ | |
65 | USB_CTRL_SET_TIMEOUT); /* int timeout */ | |
112225b1 KL |
66 | return result; |
67 | } | |
68 | ||
228426ed | 69 | static int sierra_vsc_set_nmea(struct usb_device *udev, __u16 enable) |
112225b1 KL |
70 | { |
71 | int result; | |
5d44b361 | 72 | dev_dbg(&udev->dev, "%s\n", __func__); |
228426ed KL |
73 | result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
74 | SWIMS_USB_REQUEST_SetNmea, /* __u8 request */ | |
f3564de4 | 75 | USB_TYPE_VENDOR, /* __u8 request type */ |
228426ed KL |
76 | enable, /* __u16 value */ |
77 | 0x0000, /* __u16 index */ | |
78 | NULL, /* void *data */ | |
79 | 0, /* __u16 size */ | |
80 | USB_CTRL_SET_TIMEOUT); /* int timeout */ | |
81 | return result; | |
82 | } | |
83 | ||
84 | static int sierra_calc_num_ports(struct usb_serial *serial) | |
85 | { | |
86 | int result; | |
87 | int *num_ports = usb_get_serial_data(serial); | |
5d44b361 | 88 | dev_dbg(&serial->dev->dev, "%s\n", __func__); |
228426ed KL |
89 | |
90 | result = *num_ports; | |
91 | ||
92 | if (result) { | |
93 | kfree(num_ports); | |
94 | usb_set_serial_data(serial, NULL); | |
95 | } | |
96 | ||
97 | return result; | |
98 | } | |
99 | ||
4db2299d EP |
100 | static int is_blacklisted(const u8 ifnum, |
101 | const struct sierra_iface_info *blacklist) | |
102 | { | |
103 | const u8 *info; | |
104 | int i; | |
105 | ||
106 | if (blacklist) { | |
107 | info = blacklist->ifaceinfo; | |
108 | ||
109 | for (i = 0; i < blacklist->infolen; i++) { | |
110 | if (info[i] == ifnum) | |
111 | return 1; | |
112 | } | |
113 | } | |
114 | return 0; | |
115 | } | |
116 | ||
7106967e KL |
117 | static int sierra_calc_interface(struct usb_serial *serial) |
118 | { | |
4e0fee82 KL |
119 | int interface; |
120 | struct usb_interface *p_interface; | |
121 | struct usb_host_interface *p_host_interface; | |
5d44b361 | 122 | dev_dbg(&serial->dev->dev, "%s\n", __func__); |
7106967e | 123 | |
4e0fee82 KL |
124 | /* Get the interface structure pointer from the serial struct */ |
125 | p_interface = serial->interface; | |
7106967e | 126 | |
4e0fee82 KL |
127 | /* Get a pointer to the host interface structure */ |
128 | p_host_interface = p_interface->cur_altsetting; | |
7106967e | 129 | |
4e0fee82 KL |
130 | /* read the interface descriptor for this active altsetting |
131 | * to find out the interface number we are on | |
132 | */ | |
133 | interface = p_host_interface->desc.bInterfaceNumber; | |
7106967e | 134 | |
4e0fee82 | 135 | return interface; |
7106967e KL |
136 | } |
137 | ||
228426ed KL |
138 | static int sierra_probe(struct usb_serial *serial, |
139 | const struct usb_device_id *id) | |
140 | { | |
141 | int result = 0; | |
112225b1 | 142 | struct usb_device *udev; |
228426ed KL |
143 | int *num_ports; |
144 | u8 ifnum; | |
e3173b22 KL |
145 | u8 numendpoints; |
146 | ||
5d44b361 | 147 | dev_dbg(&serial->dev->dev, "%s\n", __func__); |
112225b1 | 148 | |
228426ed KL |
149 | num_ports = kmalloc(sizeof(*num_ports), GFP_KERNEL); |
150 | if (!num_ports) | |
151 | return -ENOMEM; | |
152 | ||
153 | ifnum = serial->interface->cur_altsetting->desc.bInterfaceNumber; | |
e3173b22 | 154 | numendpoints = serial->interface->cur_altsetting->desc.bNumEndpoints; |
228426ed | 155 | udev = serial->dev; |
112225b1 | 156 | |
e3173b22 KL |
157 | /* Figure out the interface number from the serial structure */ |
158 | ifnum = sierra_calc_interface(serial); | |
7106967e | 159 | |
e3173b22 KL |
160 | /* |
161 | * If this interface supports more than 1 alternate | |
162 | * select the 2nd one | |
163 | */ | |
164 | if (serial->interface->num_altsetting == 2) { | |
165 | dev_dbg(&udev->dev, "Selecting alt setting for interface %d\n", | |
166 | ifnum); | |
167 | /* We know the alternate setting is 1 for the MC8785 */ | |
168 | usb_set_interface(udev, ifnum, 1); | |
169 | } | |
7106967e | 170 | |
e3173b22 | 171 | /* Dummy interface present on some SKUs should be ignored */ |
0585e4df | 172 | if (ifnum == 0x99) |
228426ed | 173 | *num_ports = 0; |
e3173b22 KL |
174 | else if (numendpoints <= 3) |
175 | *num_ports = 1; | |
228426ed | 176 | else |
e3173b22 KL |
177 | *num_ports = (numendpoints-1)/2; |
178 | ||
228426ed KL |
179 | /* |
180 | * save off our num_ports info so that we can use it in the | |
181 | * calc_num_ports callback | |
182 | */ | |
183 | usb_set_serial_data(serial, (void *)num_ports); | |
112225b1 | 184 | |
4db2299d EP |
185 | /* ifnum could have changed - by calling usb_set_interface */ |
186 | ifnum = sierra_calc_interface(serial); | |
187 | ||
188 | if (is_blacklisted(ifnum, | |
189 | (struct sierra_iface_info *)id->driver_info)) { | |
190 | dev_dbg(&serial->dev->dev, | |
191 | "Ignoring blacklisted interface #%d\n", ifnum); | |
192 | return -ENODEV; | |
193 | } | |
194 | ||
228426ed | 195 | return result; |
112225b1 | 196 | } |
033a3fb9 | 197 | |
4db2299d EP |
198 | static const u8 direct_ip_non_serial_ifaces[] = { 7, 8, 9, 10, 11 }; |
199 | static const struct sierra_iface_info direct_ip_interface_blacklist = { | |
200 | .infolen = ARRAY_SIZE(direct_ip_non_serial_ifaces), | |
201 | .ifaceinfo = direct_ip_non_serial_ifaces, | |
202 | }; | |
203 | ||
69de51fd | 204 | static struct usb_device_id id_table [] = { |
e43062dd | 205 | { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */ |
69de51fd | 206 | { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */ |
e43062dd | 207 | { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */ |
f8834f1f | 208 | { USB_DEVICE(0x03f0, 0x1b1d) }, /* HP ev2200 a.k.a MC5720 */ |
69de51fd | 209 | { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */ |
4e0fee82 | 210 | { USB_DEVICE(0x1199, 0x0024) }, /* Sierra Wireless MC5727 */ |
b9e13ac3 | 211 | { USB_DEVICE(0x1199, 0x0220) }, /* Sierra Wireless MC5725 */ |
69de51fd | 212 | { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */ |
e43062dd | 213 | { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */ |
9454c46a | 214 | { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */ |
4e0fee82 KL |
215 | /* Sierra Wireless C597 */ |
216 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0023, 0xFF, 0xFF, 0xFF) }, | |
e3173b22 KL |
217 | /* Sierra Wireless Device */ |
218 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0025, 0xFF, 0xFF, 0xFF) }, | |
219 | { USB_DEVICE(0x1199, 0x0026) }, /* Sierra Wireless Device */ | |
73b2c205 KL |
220 | { USB_DEVICE(0x1199, 0x0027) }, /* Sierra Wireless Device */ |
221 | { USB_DEVICE(0x1199, 0x0028) }, /* Sierra Wireless Device */ | |
9454c46a | 222 | |
69de51fd | 223 | { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */ |
e43062dd | 224 | { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */ |
69de51fd | 225 | { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */ |
9454c46a | 226 | { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */ |
4e0fee82 | 227 | { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 (Lenovo) */ |
7f170a63 | 228 | { USB_DEVICE(0x1199, 0x6815) }, /* Sierra Wireless MC8775 */ |
8f7f85e9 | 229 | { USB_DEVICE(0x03f0, 0x1e1d) }, /* HP hs2300 a.k.a MC8775 */ |
69de51fd | 230 | { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */ |
7106967e | 231 | { USB_DEVICE(0x1199, 0x6821) }, /* Sierra Wireless AirCard 875U */ |
4e0fee82 KL |
232 | { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780 */ |
233 | { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781 */ | |
b77a5c70 | 234 | { USB_DEVICE(0x1199, 0x683A) }, /* Sierra Wireless MC8785 */ |
e3173b22 | 235 | { USB_DEVICE(0x1199, 0x683B) }, /* Sierra Wireless MC8785 Composite */ |
4db2299d EP |
236 | /* Sierra Wireless MC8790, MC8791, MC8792 Composite */ |
237 | { USB_DEVICE(0x1199, 0x683C) }, | |
238 | { USB_DEVICE(0x1199, 0x683D) }, /* Sierra Wireless MC8791 Composite */ | |
239 | /* Sierra Wireless MC8790, MC8791, MC8792 */ | |
240 | { USB_DEVICE(0x1199, 0x683E) }, | |
9454c46a KL |
241 | { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */ |
242 | { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */ | |
243 | { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */ | |
244 | { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881 E */ | |
6835b32c | 245 | { USB_DEVICE(0x1199, 0x6855) }, /* Sierra Wireless AirCard 880 U */ |
62aad3ab | 246 | { USB_DEVICE(0x1199, 0x6856) }, /* Sierra Wireless AirCard 881 U */ |
e3173b22 KL |
247 | { USB_DEVICE(0x1199, 0x6859) }, /* Sierra Wireless AirCard 885 E */ |
248 | { USB_DEVICE(0x1199, 0x685A) }, /* Sierra Wireless AirCard 885 E */ | |
249 | /* Sierra Wireless C885 */ | |
250 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6880, 0xFF, 0xFF, 0xFF)}, | |
251 | /* Sierra Wireless Device */ | |
252 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6890, 0xFF, 0xFF, 0xFF)}, | |
253 | /* Sierra Wireless Device */ | |
73b2c205 KL |
254 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6891, 0xFF, 0xFF, 0xFF)}, |
255 | /* Sierra Wireless Device */ | |
e3173b22 KL |
256 | { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6892, 0xFF, 0xFF, 0xFF)}, |
257 | ||
258 | { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */ | |
259 | { USB_DEVICE(0x0F3D, 0x0112) }, /* Airprime/Sierra PC 5220 */ | |
112225b1 | 260 | |
4db2299d EP |
261 | { USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless Direct IP modems */ |
262 | .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist | |
263 | }, | |
264 | ||
033a3fb9 KL |
265 | { } |
266 | }; | |
964ee1de | 267 | MODULE_DEVICE_TABLE(usb, id_table); |
033a3fb9 | 268 | |
69de51fd | 269 | static struct usb_driver sierra_driver = { |
033a3fb9 | 270 | .name = "sierra", |
228426ed | 271 | .probe = usb_serial_probe, |
033a3fb9 KL |
272 | .disconnect = usb_serial_disconnect, |
273 | .id_table = id_table, | |
964ee1de | 274 | .no_dynamic_id = 1, |
033a3fb9 KL |
275 | }; |
276 | ||
033a3fb9 | 277 | struct sierra_port_private { |
17c23274 GKH |
278 | spinlock_t lock; /* lock the structure */ |
279 | int outstanding_urbs; /* number of out urbs in flight */ | |
280 | ||
4f4f9c53 | 281 | /* Input endpoints and buffers for this port */ |
033a3fb9 | 282 | struct urb *in_urbs[N_IN_URB]; |
033a3fb9 KL |
283 | |
284 | /* Settings for the port */ | |
285 | int rts_state; /* Handshaking pins (outputs) */ | |
286 | int dtr_state; | |
287 | int cts_state; /* Handshaking pins (inputs) */ | |
288 | int dsr_state; | |
289 | int dcd_state; | |
290 | int ri_state; | |
033a3fb9 KL |
291 | }; |
292 | ||
335f8514 | 293 | static int sierra_send_setup(struct usb_serial_port *port) |
69de51fd | 294 | { |
964ee1de GKH |
295 | struct usb_serial *serial = port->serial; |
296 | struct sierra_port_private *portdata; | |
228426ed | 297 | __u16 interface = 0; |
335f8514 | 298 | int val = 0; |
033a3fb9 | 299 | |
5d44b361 | 300 | dev_dbg(&port->dev, "%s\n", __func__); |
033a3fb9 | 301 | |
964ee1de | 302 | portdata = usb_get_serial_port_data(port); |
033a3fb9 | 303 | |
335f8514 AC |
304 | if (portdata->dtr_state) |
305 | val |= 0x01; | |
306 | if (portdata->rts_state) | |
307 | val |= 0x02; | |
308 | ||
309 | /* If composite device then properly report interface */ | |
00b040de | 310 | if (serial->num_ports == 1) { |
335f8514 | 311 | interface = sierra_calc_interface(serial); |
00b040de AC |
312 | /* Control message is sent only to interfaces with |
313 | * interrupt_in endpoints | |
314 | */ | |
315 | if (port->interrupt_in_urb) { | |
316 | /* send control message */ | |
317 | return usb_control_msg(serial->dev, | |
318 | usb_rcvctrlpipe(serial->dev, 0), | |
319 | 0x22, 0x21, val, interface, | |
320 | NULL, 0, USB_CTRL_SET_TIMEOUT); | |
321 | } | |
322 | } | |
335f8514 AC |
323 | |
324 | /* Otherwise the need to do non-composite mapping */ | |
325 | else { | |
326 | if (port->bulk_out_endpointAddress == 2) | |
327 | interface = 0; | |
328 | else if (port->bulk_out_endpointAddress == 4) | |
329 | interface = 1; | |
330 | else if (port->bulk_out_endpointAddress == 5) | |
331 | interface = 2; | |
00b040de | 332 | return usb_control_msg(serial->dev, |
335f8514 AC |
333 | usb_rcvctrlpipe(serial->dev, 0), |
334 | 0x22, 0x21, val, interface, | |
335 | NULL, 0, USB_CTRL_SET_TIMEOUT); | |
00b040de | 336 | } |
964ee1de | 337 | return 0; |
69de51fd KL |
338 | } |
339 | ||
95da310e AC |
340 | static void sierra_set_termios(struct tty_struct *tty, |
341 | struct usb_serial_port *port, struct ktermios *old_termios) | |
033a3fb9 | 342 | { |
5d44b361 | 343 | dev_dbg(&port->dev, "%s\n", __func__); |
95da310e | 344 | tty_termios_copy_hw(tty->termios, old_termios); |
335f8514 | 345 | sierra_send_setup(port); |
033a3fb9 KL |
346 | } |
347 | ||
95da310e | 348 | static int sierra_tiocmget(struct tty_struct *tty, struct file *file) |
033a3fb9 | 349 | { |
95da310e | 350 | struct usb_serial_port *port = tty->driver_data; |
033a3fb9 KL |
351 | unsigned int value; |
352 | struct sierra_port_private *portdata; | |
353 | ||
5d44b361 | 354 | dev_dbg(&port->dev, "%s\n", __func__); |
033a3fb9 KL |
355 | portdata = usb_get_serial_port_data(port); |
356 | ||
357 | value = ((portdata->rts_state) ? TIOCM_RTS : 0) | | |
358 | ((portdata->dtr_state) ? TIOCM_DTR : 0) | | |
359 | ((portdata->cts_state) ? TIOCM_CTS : 0) | | |
360 | ((portdata->dsr_state) ? TIOCM_DSR : 0) | | |
361 | ((portdata->dcd_state) ? TIOCM_CAR : 0) | | |
362 | ((portdata->ri_state) ? TIOCM_RNG : 0); | |
363 | ||
364 | return value; | |
365 | } | |
366 | ||
95da310e | 367 | static int sierra_tiocmset(struct tty_struct *tty, struct file *file, |
033a3fb9 KL |
368 | unsigned int set, unsigned int clear) |
369 | { | |
95da310e | 370 | struct usb_serial_port *port = tty->driver_data; |
033a3fb9 KL |
371 | struct sierra_port_private *portdata; |
372 | ||
373 | portdata = usb_get_serial_port_data(port); | |
374 | ||
375 | if (set & TIOCM_RTS) | |
376 | portdata->rts_state = 1; | |
377 | if (set & TIOCM_DTR) | |
378 | portdata->dtr_state = 1; | |
379 | ||
380 | if (clear & TIOCM_RTS) | |
381 | portdata->rts_state = 0; | |
382 | if (clear & TIOCM_DTR) | |
383 | portdata->dtr_state = 0; | |
335f8514 | 384 | return sierra_send_setup(port); |
033a3fb9 KL |
385 | } |
386 | ||
b9a44bc1 EP |
387 | static void sierra_release_urb(struct urb *urb) |
388 | { | |
389 | struct usb_serial_port *port; | |
390 | if (urb) { | |
391 | port = urb->context; | |
392 | dev_dbg(&port->dev, "%s: %p\n", __func__, urb); | |
393 | kfree(urb->transfer_buffer); | |
394 | usb_free_urb(urb); | |
395 | } | |
396 | } | |
397 | ||
17c23274 GKH |
398 | static void sierra_outdat_callback(struct urb *urb) |
399 | { | |
400 | struct usb_serial_port *port = urb->context; | |
401 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); | |
402 | int status = urb->status; | |
403 | unsigned long flags; | |
404 | ||
5d44b361 | 405 | dev_dbg(&port->dev, "%s - port %d\n", __func__, port->number); |
17c23274 GKH |
406 | |
407 | /* free up the transfer buffer, as usb_free_urb() does not do this */ | |
408 | kfree(urb->transfer_buffer); | |
409 | ||
410 | if (status) | |
7384a922 | 411 | dev_dbg(&port->dev, "%s - nonzero write bulk status " |
5d44b361 | 412 | "received: %d\n", __func__, status); |
17c23274 GKH |
413 | |
414 | spin_lock_irqsave(&portdata->lock, flags); | |
415 | --portdata->outstanding_urbs; | |
416 | spin_unlock_irqrestore(&portdata->lock, flags); | |
417 | ||
418 | usb_serial_port_softint(port); | |
419 | } | |
420 | ||
033a3fb9 | 421 | /* Write */ |
95da310e AC |
422 | static int sierra_write(struct tty_struct *tty, struct usb_serial_port *port, |
423 | const unsigned char *buf, int count) | |
033a3fb9 | 424 | { |
17c23274 GKH |
425 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
426 | struct usb_serial *serial = port->serial; | |
427 | unsigned long flags; | |
428 | unsigned char *buffer; | |
429 | struct urb *urb; | |
40d2ff32 EP |
430 | size_t writesize = min((size_t)count, (size_t)MAX_TRANSFER); |
431 | int retval = 0; | |
432 | ||
433 | /* verify that we actually have some data to write */ | |
434 | if (count == 0) | |
435 | return 0; | |
033a3fb9 KL |
436 | |
437 | portdata = usb_get_serial_port_data(port); | |
438 | ||
40d2ff32 | 439 | dev_dbg(&port->dev, "%s: write (%d bytes)\n", __func__, writesize); |
033a3fb9 | 440 | |
17c23274 | 441 | spin_lock_irqsave(&portdata->lock, flags); |
40d2ff32 EP |
442 | dev_dbg(&port->dev, "%s - outstanding_urbs: %d\n", __func__, |
443 | portdata->outstanding_urbs); | |
17c23274 GKH |
444 | if (portdata->outstanding_urbs > N_OUT_URB) { |
445 | spin_unlock_irqrestore(&portdata->lock, flags); | |
7384a922 | 446 | dev_dbg(&port->dev, "%s - write limit hit\n", __func__); |
17c23274 GKH |
447 | return 0; |
448 | } | |
449 | portdata->outstanding_urbs++; | |
40d2ff32 EP |
450 | dev_dbg(&port->dev, "%s - 1, outstanding_urbs: %d\n", __func__, |
451 | portdata->outstanding_urbs); | |
17c23274 GKH |
452 | spin_unlock_irqrestore(&portdata->lock, flags); |
453 | ||
40d2ff32 | 454 | buffer = kmalloc(writesize, GFP_ATOMIC); |
17c23274 GKH |
455 | if (!buffer) { |
456 | dev_err(&port->dev, "out of memory\n"); | |
40d2ff32 | 457 | retval = -ENOMEM; |
17c23274 GKH |
458 | goto error_no_buffer; |
459 | } | |
033a3fb9 | 460 | |
17c23274 GKH |
461 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
462 | if (!urb) { | |
463 | dev_err(&port->dev, "no more free urbs\n"); | |
40d2ff32 | 464 | retval = -ENOMEM; |
17c23274 GKH |
465 | goto error_no_urb; |
466 | } | |
033a3fb9 | 467 | |
40d2ff32 | 468 | memcpy(buffer, buf, writesize); |
033a3fb9 | 469 | |
40d2ff32 | 470 | usb_serial_debug_data(debug, &port->dev, __func__, writesize, buffer); |
17c23274 GKH |
471 | |
472 | usb_fill_bulk_urb(urb, serial->dev, | |
473 | usb_sndbulkpipe(serial->dev, | |
474 | port->bulk_out_endpointAddress), | |
40d2ff32 | 475 | buffer, writesize, sierra_outdat_callback, port); |
17c23274 | 476 | |
238ebd13 EP |
477 | /* Handle the need to send a zero length packet */ |
478 | urb->transfer_flags |= URB_ZERO_PACKET; | |
479 | ||
17c23274 | 480 | /* send it down the pipe */ |
40d2ff32 EP |
481 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
482 | if (retval) { | |
17c23274 | 483 | dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed " |
40d2ff32 | 484 | "with status = %d\n", __func__, retval); |
17c23274 | 485 | goto error; |
033a3fb9 KL |
486 | } |
487 | ||
17c23274 GKH |
488 | /* we are done with this urb, so let the host driver |
489 | * really free it when it is finished with it */ | |
490 | usb_free_urb(urb); | |
491 | ||
40d2ff32 | 492 | return writesize; |
17c23274 GKH |
493 | error: |
494 | usb_free_urb(urb); | |
495 | error_no_urb: | |
496 | kfree(buffer); | |
497 | error_no_buffer: | |
498 | spin_lock_irqsave(&portdata->lock, flags); | |
499 | --portdata->outstanding_urbs; | |
40d2ff32 EP |
500 | dev_dbg(&port->dev, "%s - 2. outstanding_urbs: %d\n", __func__, |
501 | portdata->outstanding_urbs); | |
17c23274 | 502 | spin_unlock_irqrestore(&portdata->lock, flags); |
40d2ff32 | 503 | return retval; |
033a3fb9 KL |
504 | } |
505 | ||
506 | static void sierra_indat_callback(struct urb *urb) | |
507 | { | |
508 | int err; | |
509 | int endpoint; | |
510 | struct usb_serial_port *port; | |
511 | struct tty_struct *tty; | |
512 | unsigned char *data = urb->transfer_buffer; | |
17dd2215 | 513 | int status = urb->status; |
033a3fb9 | 514 | |
033a3fb9 | 515 | endpoint = usb_pipeendpoint(urb->pipe); |
b0cda8c5 EP |
516 | port = urb->context; |
517 | ||
518 | dev_dbg(&port->dev, "%s: %p\n", __func__, urb); | |
033a3fb9 | 519 | |
17dd2215 | 520 | if (status) { |
7384a922 | 521 | dev_dbg(&port->dev, "%s: nonzero status: %d on" |
5d44b361 | 522 | " endpoint %02x\n", __func__, status, endpoint); |
033a3fb9 | 523 | } else { |
033a3fb9 | 524 | if (urb->actual_length) { |
d95186d1 | 525 | tty = tty_port_tty_get(&port->port); |
b0cda8c5 | 526 | |
033a3fb9 KL |
527 | tty_buffer_request_room(tty, urb->actual_length); |
528 | tty_insert_flip_string(tty, data, urb->actual_length); | |
529 | tty_flip_buffer_push(tty); | |
b0cda8c5 | 530 | |
4a90f09b | 531 | tty_kref_put(tty); |
b0cda8c5 EP |
532 | usb_serial_debug_data(debug, &port->dev, __func__, |
533 | urb->actual_length, data); | |
534 | } else { | |
7384a922 | 535 | dev_dbg(&port->dev, "%s: empty read urb" |
5d44b361 | 536 | " received\n", __func__); |
033a3fb9 KL |
537 | } |
538 | } | |
b0cda8c5 EP |
539 | |
540 | /* Resubmit urb so we continue receiving */ | |
541 | if (port->port.count && status != -ESHUTDOWN && status != -EPERM) { | |
542 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
543 | if (err) | |
544 | dev_err(&port->dev, "resubmit read urb failed." | |
545 | "(%d)\n", err); | |
546 | } | |
547 | ||
033a3fb9 KL |
548 | return; |
549 | } | |
550 | ||
033a3fb9 KL |
551 | static void sierra_instat_callback(struct urb *urb) |
552 | { | |
553 | int err; | |
17dd2215 | 554 | int status = urb->status; |
cdc97792 | 555 | struct usb_serial_port *port = urb->context; |
033a3fb9 KL |
556 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
557 | struct usb_serial *serial = port->serial; | |
558 | ||
5d44b361 EP |
559 | dev_dbg(&port->dev, "%s\n", __func__); |
560 | dev_dbg(&port->dev, "%s: urb %p port %p has data %p\n", __func__, | |
7384a922 | 561 | urb, port, portdata); |
033a3fb9 | 562 | |
17dd2215 | 563 | if (status == 0) { |
033a3fb9 KL |
564 | struct usb_ctrlrequest *req_pkt = |
565 | (struct usb_ctrlrequest *)urb->transfer_buffer; | |
566 | ||
567 | if (!req_pkt) { | |
7384a922 KL |
568 | dev_dbg(&port->dev, "%s: NULL req_pkt\n", |
569 | __func__); | |
033a3fb9 KL |
570 | return; |
571 | } | |
572 | if ((req_pkt->bRequestType == 0xA1) && | |
573 | (req_pkt->bRequest == 0x20)) { | |
574 | int old_dcd_state; | |
575 | unsigned char signals = *((unsigned char *) | |
576 | urb->transfer_buffer + | |
577 | sizeof(struct usb_ctrlrequest)); | |
4a90f09b | 578 | struct tty_struct *tty; |
033a3fb9 | 579 | |
5d44b361 | 580 | dev_dbg(&port->dev, "%s: signal x%x\n", __func__, |
7384a922 | 581 | signals); |
033a3fb9 KL |
582 | |
583 | old_dcd_state = portdata->dcd_state; | |
584 | portdata->cts_state = 1; | |
585 | portdata->dcd_state = ((signals & 0x01) ? 1 : 0); | |
586 | portdata->dsr_state = ((signals & 0x02) ? 1 : 0); | |
587 | portdata->ri_state = ((signals & 0x08) ? 1 : 0); | |
588 | ||
4a90f09b AC |
589 | tty = tty_port_tty_get(&port->port); |
590 | if (tty && !C_CLOCAL(tty) && | |
033a3fb9 | 591 | old_dcd_state && !portdata->dcd_state) |
4a90f09b AC |
592 | tty_hangup(tty); |
593 | tty_kref_put(tty); | |
033a3fb9 | 594 | } else { |
5d44b361 | 595 | dev_dbg(&port->dev, "%s: type %x req %x\n", |
7384a922 KL |
596 | __func__, req_pkt->bRequestType, |
597 | req_pkt->bRequest); | |
033a3fb9 KL |
598 | } |
599 | } else | |
5d44b361 | 600 | dev_dbg(&port->dev, "%s: error %d\n", __func__, status); |
033a3fb9 KL |
601 | |
602 | /* Resubmit urb so we continue receiving IRQ data */ | |
17dd2215 | 603 | if (status != -ESHUTDOWN) { |
033a3fb9 KL |
604 | urb->dev = serial->dev; |
605 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
606 | if (err) | |
7384a922 | 607 | dev_dbg(&port->dev, "%s: resubmit intr urb " |
5d44b361 | 608 | "failed. (%d)\n", __func__, err); |
033a3fb9 KL |
609 | } |
610 | } | |
611 | ||
95da310e | 612 | static int sierra_write_room(struct tty_struct *tty) |
033a3fb9 | 613 | { |
95da310e | 614 | struct usb_serial_port *port = tty->driver_data; |
17c23274 GKH |
615 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
616 | unsigned long flags; | |
033a3fb9 | 617 | |
5d44b361 | 618 | dev_dbg(&port->dev, "%s - port %d\n", __func__, port->number); |
033a3fb9 | 619 | |
17c23274 GKH |
620 | /* try to give a good number back based on if we have any free urbs at |
621 | * this point in time */ | |
622 | spin_lock_irqsave(&portdata->lock, flags); | |
623 | if (portdata->outstanding_urbs > N_OUT_URB * 2 / 3) { | |
624 | spin_unlock_irqrestore(&portdata->lock, flags); | |
7384a922 | 625 | dev_dbg(&port->dev, "%s - write limit hit\n", __func__); |
17c23274 | 626 | return 0; |
033a3fb9 | 627 | } |
17c23274 | 628 | spin_unlock_irqrestore(&portdata->lock, flags); |
033a3fb9 | 629 | |
17c23274 | 630 | return 2048; |
033a3fb9 KL |
631 | } |
632 | ||
b9a44bc1 | 633 | static void sierra_stop_rx_urbs(struct usb_serial_port *port) |
033a3fb9 | 634 | { |
9e85c5f6 | 635 | int i; |
b9a44bc1 | 636 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); |
033a3fb9 | 637 | |
b9a44bc1 EP |
638 | for (i = 0; i < ARRAY_SIZE(portdata->in_urbs); i++) |
639 | usb_kill_urb(portdata->in_urbs[i]); | |
033a3fb9 | 640 | |
b9a44bc1 EP |
641 | usb_kill_urb(port->interrupt_in_urb); |
642 | } | |
033a3fb9 | 643 | |
b9a44bc1 EP |
644 | static int sierra_submit_rx_urbs(struct usb_serial_port *port, gfp_t mem_flags) |
645 | { | |
646 | int ok_cnt; | |
647 | int err = -EINVAL; | |
648 | int i; | |
649 | struct urb *urb; | |
650 | struct sierra_port_private *portdata = usb_get_serial_port_data(port); | |
033a3fb9 | 651 | |
b9a44bc1 EP |
652 | ok_cnt = 0; |
653 | for (i = 0; i < ARRAY_SIZE(portdata->in_urbs); i++) { | |
033a3fb9 | 654 | urb = portdata->in_urbs[i]; |
9e85c5f6 | 655 | if (!urb) |
033a3fb9 | 656 | continue; |
b9a44bc1 EP |
657 | err = usb_submit_urb(urb, mem_flags); |
658 | if (err) { | |
659 | dev_err(&port->dev, "%s: submit urb failed: %d\n", | |
660 | __func__, err); | |
661 | } else { | |
662 | ok_cnt++; | |
033a3fb9 | 663 | } |
b9a44bc1 | 664 | } |
033a3fb9 | 665 | |
b9a44bc1 EP |
666 | if (ok_cnt && port->interrupt_in_urb) { |
667 | err = usb_submit_urb(port->interrupt_in_urb, mem_flags); | |
668 | if (err) { | |
669 | dev_err(&port->dev, "%s: submit intr urb failed: %d\n", | |
670 | __func__, err); | |
033a3fb9 KL |
671 | } |
672 | } | |
673 | ||
b9a44bc1 EP |
674 | if (ok_cnt > 0) /* at least one rx urb submitted */ |
675 | return 0; | |
676 | else | |
677 | return err; | |
678 | } | |
679 | ||
680 | static struct urb *sierra_setup_urb(struct usb_serial *serial, int endpoint, | |
681 | int dir, void *ctx, int len, | |
682 | gfp_t mem_flags, | |
683 | usb_complete_t callback) | |
684 | { | |
685 | struct urb *urb; | |
686 | u8 *buf; | |
687 | ||
688 | if (endpoint == -1) | |
689 | return NULL; | |
033a3fb9 | 690 | |
b9a44bc1 EP |
691 | urb = usb_alloc_urb(0, mem_flags); |
692 | if (urb == NULL) { | |
693 | dev_dbg(&serial->dev->dev, "%s: alloc for endpoint %d failed\n", | |
694 | __func__, endpoint); | |
695 | return NULL; | |
9e85c5f6 | 696 | } |
b9a44bc1 EP |
697 | |
698 | buf = kmalloc(len, mem_flags); | |
699 | if (buf) { | |
700 | /* Fill URB using supplied data */ | |
701 | usb_fill_bulk_urb(urb, serial->dev, | |
702 | usb_sndbulkpipe(serial->dev, endpoint) | dir, | |
703 | buf, len, callback, ctx); | |
704 | ||
705 | /* debug */ | |
706 | dev_dbg(&serial->dev->dev, "%s %c u : %p d:%p\n", __func__, | |
707 | dir == USB_DIR_IN ? 'i' : 'o', urb, buf); | |
708 | } else { | |
709 | dev_dbg(&serial->dev->dev, "%s %c u:%p d:%p\n", __func__, | |
710 | dir == USB_DIR_IN ? 'i' : 'o', urb, buf); | |
711 | ||
712 | sierra_release_urb(urb); | |
713 | urb = NULL; | |
714 | } | |
715 | ||
716 | return urb; | |
033a3fb9 KL |
717 | } |
718 | ||
b9a44bc1 | 719 | static void sierra_close(struct usb_serial_port *port) |
033a3fb9 | 720 | { |
b9a44bc1 | 721 | int i; |
033a3fb9 KL |
722 | struct usb_serial *serial = port->serial; |
723 | struct sierra_port_private *portdata; | |
724 | ||
b9a44bc1 | 725 | dev_dbg(&port->dev, "%s\n", __func__); |
033a3fb9 | 726 | portdata = usb_get_serial_port_data(port); |
b9a44bc1 EP |
727 | |
728 | portdata->rts_state = 0; | |
729 | portdata->dtr_state = 0; | |
033a3fb9 KL |
730 | |
731 | if (serial->dev) { | |
e33fe4d8 ON |
732 | mutex_lock(&serial->disc_mutex); |
733 | if (!serial->disconnected) | |
335f8514 | 734 | sierra_send_setup(port); |
e33fe4d8 | 735 | mutex_unlock(&serial->disc_mutex); |
b9a44bc1 EP |
736 | |
737 | /* Stop reading urbs */ | |
738 | sierra_stop_rx_urbs(port); | |
739 | /* .. and release them */ | |
740 | for (i = 0; i < N_IN_URB; i++) { | |
741 | sierra_release_urb(portdata->in_urbs[i]); | |
742 | portdata->in_urbs[i] = NULL; | |
743 | } | |
335f8514 AC |
744 | } |
745 | } | |
746 | ||
b9a44bc1 EP |
747 | static int sierra_open(struct tty_struct *tty, |
748 | struct usb_serial_port *port, struct file *filp) | |
335f8514 | 749 | { |
b9a44bc1 EP |
750 | struct sierra_port_private *portdata; |
751 | struct usb_serial *serial = port->serial; | |
335f8514 | 752 | int i; |
b9a44bc1 EP |
753 | int err; |
754 | int endpoint; | |
755 | struct urb *urb; | |
756 | ||
757 | portdata = usb_get_serial_port_data(port); | |
758 | ||
5d44b361 | 759 | dev_dbg(&port->dev, "%s\n", __func__); |
b9a44bc1 EP |
760 | |
761 | /* Set some sane defaults */ | |
762 | portdata->rts_state = 1; | |
763 | portdata->dtr_state = 1; | |
764 | ||
765 | ||
766 | endpoint = port->bulk_in_endpointAddress; | |
767 | for (i = 0; i < ARRAY_SIZE(portdata->in_urbs); i++) { | |
768 | urb = sierra_setup_urb(serial, endpoint, USB_DIR_IN, port, | |
769 | IN_BUFLEN, GFP_KERNEL, | |
770 | sierra_indat_callback); | |
771 | portdata->in_urbs[i] = urb; | |
772 | } | |
773 | /* clear halt condition */ | |
774 | usb_clear_halt(serial->dev, | |
775 | usb_sndbulkpipe(serial->dev, endpoint) | USB_DIR_IN); | |
776 | ||
777 | err = sierra_submit_rx_urbs(port, GFP_KERNEL); | |
778 | if (err) { | |
779 | /* get rid of everything as in close */ | |
780 | sierra_close(port); | |
781 | return err; | |
782 | } | |
783 | sierra_send_setup(port); | |
784 | ||
785 | return 0; | |
786 | } | |
787 | ||
788 | ||
789 | static void sierra_dtr_rts(struct usb_serial_port *port, int on) | |
790 | { | |
335f8514 AC |
791 | struct usb_serial *serial = port->serial; |
792 | struct sierra_port_private *portdata; | |
033a3fb9 | 793 | |
335f8514 | 794 | portdata = usb_get_serial_port_data(port); |
b9a44bc1 EP |
795 | portdata->rts_state = on; |
796 | portdata->dtr_state = on; | |
335f8514 AC |
797 | |
798 | if (serial->dev) { | |
b9a44bc1 EP |
799 | mutex_lock(&serial->disc_mutex); |
800 | if (!serial->disconnected) | |
801 | sierra_send_setup(port); | |
802 | mutex_unlock(&serial->disc_mutex); | |
033a3fb9 | 803 | } |
033a3fb9 KL |
804 | } |
805 | ||
033a3fb9 KL |
806 | static int sierra_startup(struct usb_serial *serial) |
807 | { | |
033a3fb9 KL |
808 | struct usb_serial_port *port; |
809 | struct sierra_port_private *portdata; | |
9e85c5f6 | 810 | int i; |
033a3fb9 | 811 | |
5d44b361 | 812 | dev_dbg(&serial->dev->dev, "%s\n", __func__); |
033a3fb9 | 813 | |
228426ed | 814 | /* Set Device mode to D0 */ |
112225b1 KL |
815 | sierra_set_power_state(serial->dev, 0x0000); |
816 | ||
228426ed KL |
817 | /* Check NMEA and set */ |
818 | if (nmea) | |
819 | sierra_vsc_set_nmea(serial->dev, 1); | |
820 | ||
033a3fb9 KL |
821 | /* Now setup per port private data */ |
822 | for (i = 0; i < serial->num_ports; i++) { | |
823 | port = serial->port[i]; | |
824 | portdata = kzalloc(sizeof(*portdata), GFP_KERNEL); | |
825 | if (!portdata) { | |
7384a922 | 826 | dev_dbg(&port->dev, "%s: kmalloc for " |
5d44b361 | 827 | "sierra_port_private (%d) failed!.\n", |
7384a922 | 828 | __func__, i); |
17c23274 | 829 | return -ENOMEM; |
033a3fb9 | 830 | } |
17c23274 | 831 | spin_lock_init(&portdata->lock); |
b9a44bc1 | 832 | /* Set the port private data pointer */ |
033a3fb9 | 833 | usb_set_serial_port_data(port, portdata); |
033a3fb9 KL |
834 | } |
835 | ||
17c23274 | 836 | return 0; |
033a3fb9 KL |
837 | } |
838 | ||
839 | static void sierra_shutdown(struct usb_serial *serial) | |
840 | { | |
b9a44bc1 | 841 | int i; |
033a3fb9 KL |
842 | struct usb_serial_port *port; |
843 | struct sierra_port_private *portdata; | |
844 | ||
5d44b361 | 845 | dev_dbg(&serial->dev->dev, "%s\n", __func__); |
033a3fb9 | 846 | |
033a3fb9 KL |
847 | for (i = 0; i < serial->num_ports; ++i) { |
848 | port = serial->port[i]; | |
f094e4f3 GKH |
849 | if (!port) |
850 | continue; | |
033a3fb9 | 851 | portdata = usb_get_serial_port_data(port); |
f094e4f3 GKH |
852 | if (!portdata) |
853 | continue; | |
9e85c5f6 GKH |
854 | kfree(portdata); |
855 | usb_set_serial_port_data(port, NULL); | |
033a3fb9 KL |
856 | } |
857 | } | |
858 | ||
228426ed | 859 | static struct usb_serial_driver sierra_device = { |
964ee1de GKH |
860 | .driver = { |
861 | .owner = THIS_MODULE, | |
4e0fee82 | 862 | .name = "sierra", |
964ee1de | 863 | }, |
228426ed KL |
864 | .description = "Sierra USB modem", |
865 | .id_table = id_table, | |
d9b1b787 | 866 | .usb_driver = &sierra_driver, |
228426ed KL |
867 | .calc_num_ports = sierra_calc_num_ports, |
868 | .probe = sierra_probe, | |
964ee1de GKH |
869 | .open = sierra_open, |
870 | .close = sierra_close, | |
335f8514 | 871 | .dtr_rts = sierra_dtr_rts, |
964ee1de GKH |
872 | .write = sierra_write, |
873 | .write_room = sierra_write_room, | |
964ee1de | 874 | .set_termios = sierra_set_termios, |
964ee1de GKH |
875 | .tiocmget = sierra_tiocmget, |
876 | .tiocmset = sierra_tiocmset, | |
877 | .attach = sierra_startup, | |
878 | .shutdown = sierra_shutdown, | |
879 | .read_int_callback = sierra_instat_callback, | |
880 | }; | |
881 | ||
882 | /* Functions used by new usb-serial code. */ | |
883 | static int __init sierra_init(void) | |
884 | { | |
885 | int retval; | |
228426ed | 886 | retval = usb_serial_register(&sierra_device); |
964ee1de | 887 | if (retval) |
228426ed | 888 | goto failed_device_register; |
964ee1de GKH |
889 | |
890 | ||
891 | retval = usb_register(&sierra_driver); | |
892 | if (retval) | |
893 | goto failed_driver_register; | |
894 | ||
c197a8db GKH |
895 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" |
896 | DRIVER_DESC "\n"); | |
964ee1de GKH |
897 | |
898 | return 0; | |
899 | ||
900 | failed_driver_register: | |
228426ed KL |
901 | usb_serial_deregister(&sierra_device); |
902 | failed_device_register: | |
964ee1de GKH |
903 | return retval; |
904 | } | |
905 | ||
906 | static void __exit sierra_exit(void) | |
907 | { | |
9660ea36 | 908 | usb_deregister(&sierra_driver); |
228426ed | 909 | usb_serial_deregister(&sierra_device); |
964ee1de GKH |
910 | } |
911 | ||
912 | module_init(sierra_init); | |
913 | module_exit(sierra_exit); | |
914 | ||
033a3fb9 KL |
915 | MODULE_AUTHOR(DRIVER_AUTHOR); |
916 | MODULE_DESCRIPTION(DRIVER_DESC); | |
917 | MODULE_VERSION(DRIVER_VERSION); | |
69de51fd | 918 | MODULE_LICENSE("GPL"); |
033a3fb9 | 919 | |
4e0fee82 | 920 | module_param(nmea, bool, S_IRUGO | S_IWUSR); |
228426ed KL |
921 | MODULE_PARM_DESC(nmea, "NMEA streaming"); |
922 | ||
033a3fb9 KL |
923 | module_param(debug, bool, S_IRUGO | S_IWUSR); |
924 | MODULE_PARM_DESC(debug, "Debug messages"); |