blob: 4856fb7e637e70ffcc5f4da4cdb6536588b3aa95 [file] [log] [blame]
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -08001/*
2 * Opticon USB barcode to serial driver
3 *
Johan Hovold7a6ee2b2012-11-18 13:23:36 +01004 * Copyright (C) 2011 - 2012 Johan Hovold <jhovold@gmail.com>
Martin Jansen309a0572011-02-24 14:50:16 +01005 * Copyright (C) 2011 Martin Jansen <martin.jansen@opticon.com>
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -08006 * Copyright (C) 2008 - 2009 Greg Kroah-Hartman <gregkh@suse.de>
7 * Copyright (C) 2008 - 2009 Novell Inc.
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -08008 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License version
11 * 2 as published by the Free Software Foundation.
12 */
13
14#include <linux/kernel.h>
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -080015#include <linux/tty.h>
16#include <linux/tty_driver.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090017#include <linux/slab.h>
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -080018#include <linux/tty_flip.h>
Greg Kroah-Hartmanfaac64a2009-02-06 18:31:46 -080019#include <linux/serial.h>
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -080020#include <linux/module.h>
21#include <linux/usb.h>
22#include <linux/usb/serial.h>
23#include <linux/uaccess.h>
24
Martin Jansen309a0572011-02-24 14:50:16 +010025#define CONTROL_RTS 0x02
26#define RESEND_CTS_STATE 0x03
27
28/* max number of write urbs in flight */
29#define URB_UPPER_LIMIT 8
30
31/* This driver works for the Opticon 1D barcode reader
32 * an examples of 1D barcode types are EAN, UPC, Code39, IATA etc.. */
33#define DRIVER_DESC "Opticon USB barcode to serial driver (1D)"
34
Németh Márton7d40d7e2010-01-10 15:34:24 +010035static const struct usb_device_id id_table[] = {
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -080036 { USB_DEVICE(0x065a, 0x0009) },
37 { },
38};
39MODULE_DEVICE_TABLE(usb, id_table);
40
41/* This structure holds all of the individual device information */
42struct opticon_private {
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -080043 spinlock_t lock; /* protects the following flags */
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -080044 bool rts;
Martin Jansen309a0572011-02-24 14:50:16 +010045 bool cts;
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -080046 int outstanding_urbs;
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -080047};
48
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -080049
Johan Hovold32802072012-11-18 13:23:35 +010050static void opticon_process_data_packet(struct usb_serial_port *port,
51 const unsigned char *buf, size_t len)
52{
Jiri Slaby05c7cd32013-01-03 15:53:04 +010053 tty_insert_flip_string(&port->port, buf, len);
Jiri Slaby2e124b42013-01-03 15:53:06 +010054 tty_flip_buffer_push(&port->port);
Johan Hovold32802072012-11-18 13:23:35 +010055}
56
57static void opticon_process_status_packet(struct usb_serial_port *port,
58 const unsigned char *buf, size_t len)
59{
60 struct opticon_private *priv = usb_get_serial_port_data(port);
61 unsigned long flags;
62
63 spin_lock_irqsave(&priv->lock, flags);
64 if (buf[0] == 0x00)
65 priv->cts = false;
66 else
67 priv->cts = true;
68 spin_unlock_irqrestore(&priv->lock, flags);
69}
70
71static void opticon_process_read_urb(struct urb *urb)
72{
73 struct usb_serial_port *port = urb->context;
74 const unsigned char *hdr = urb->transfer_buffer;
75 const unsigned char *data = hdr + 2;
76 size_t data_len = urb->actual_length - 2;
77
78 if (urb->actual_length <= 2) {
79 dev_dbg(&port->dev, "malformed packet received: %d bytes\n",
80 urb->actual_length);
81 return;
82 }
83 /*
84 * Data from the device comes with a 2 byte header:
85 *
86 * <0x00><0x00>data...
87 * This is real data to be sent to the tty layer
88 * <0x00><0x01>level
89 * This is a CTS level change, the third byte is the CTS
90 * value (0 for low, 1 for high).
91 */
92 if ((hdr[0] == 0x00) && (hdr[1] == 0x00)) {
93 opticon_process_data_packet(port, data, data_len);
94 } else if ((hdr[0] == 0x00) && (hdr[1] == 0x01)) {
95 opticon_process_status_packet(port, data, data_len);
96 } else {
97 dev_dbg(&port->dev, "unknown packet received: %02x %02x\n",
98 hdr[0], hdr[1]);
99 }
100}
Martin Jansen309a0572011-02-24 14:50:16 +0100101
Martin Jansen309a0572011-02-24 14:50:16 +0100102static int send_control_msg(struct usb_serial_port *port, u8 requesttype,
103 u8 val)
104{
105 struct usb_serial *serial = port->serial;
106 int retval;
Johan Hovoldea0dbeb2012-10-25 10:29:11 +0200107 u8 *buffer;
108
109 buffer = kzalloc(1, GFP_KERNEL);
110 if (!buffer)
111 return -ENOMEM;
Martin Jansen309a0572011-02-24 14:50:16 +0100112
113 buffer[0] = val;
114 /* Send the message to the vendor control endpoint
115 * of the connected device */
116 retval = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
117 requesttype,
118 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
119 0, 0, buffer, 1, 0);
Johan Hovoldea0dbeb2012-10-25 10:29:11 +0200120 kfree(buffer);
Martin Jansen309a0572011-02-24 14:50:16 +0100121
Johan Hovold94c51dc2013-03-21 12:37:42 +0100122 if (retval < 0)
123 return retval;
124
125 return 0;
Martin Jansen309a0572011-02-24 14:50:16 +0100126}
127
Alan Coxa509a7e2009-09-19 13:13:26 -0700128static int opticon_open(struct tty_struct *tty, struct usb_serial_port *port)
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800129{
Johan Hovold70d25ee2012-11-18 13:23:30 +0100130 struct opticon_private *priv = usb_get_serial_port_data(port);
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800131 unsigned long flags;
Johan Hovold7a6ee2b2012-11-18 13:23:36 +0100132 int res;
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800133
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800134 spin_lock_irqsave(&priv->lock, flags);
Martin Jansen309a0572011-02-24 14:50:16 +0100135 priv->rts = false;
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800136 spin_unlock_irqrestore(&priv->lock, flags);
137
Martin Jansen309a0572011-02-24 14:50:16 +0100138 /* Clear RTS line */
139 send_control_msg(port, CONTROL_RTS, 0);
140
Rahul Bedarkarcd8c5052014-01-02 19:29:24 +0530141 /* clear the halt status of the endpoint */
Johan Hovold7a6ee2b2012-11-18 13:23:36 +0100142 usb_clear_halt(port->serial->dev, port->read_urb->pipe);
Martin Jansen309a0572011-02-24 14:50:16 +0100143
Johan Hovold7a6ee2b2012-11-18 13:23:36 +0100144 res = usb_serial_generic_open(tty, port);
145 if (!res)
146 return res;
147
Martin Jansen309a0572011-02-24 14:50:16 +0100148 /* Request CTS line state, sometimes during opening the current
149 * CTS state can be missed. */
150 send_control_msg(port, RESEND_CTS_STATE, 1);
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800151
Johan Hovold7a6ee2b2012-11-18 13:23:36 +0100152 return res;
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800153}
154
Martin Jansen309a0572011-02-24 14:50:16 +0100155static void opticon_write_control_callback(struct urb *urb)
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800156{
Johan Hovolde32d82bc2012-11-18 13:23:32 +0100157 struct usb_serial_port *port = urb->context;
158 struct opticon_private *priv = usb_get_serial_port_data(port);
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800159 int status = urb->status;
160 unsigned long flags;
161
162 /* free up the transfer buffer, as usb_free_urb() does not do this */
163 kfree(urb->transfer_buffer);
164
Alon Ziv0d930e52010-10-10 08:32:19 +0200165 /* setup packet may be set if we're using it for writing */
166 kfree(urb->setup_packet);
167
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800168 if (status)
Johan Hovolde32d82bc2012-11-18 13:23:32 +0100169 dev_dbg(&port->dev,
Johan Hovolde29a7732012-11-18 13:23:23 +0100170 "%s - non-zero urb status received: %d\n",
Greg Kroah-Hartmand44d9ab2012-09-13 17:18:19 -0700171 __func__, status);
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800172
173 spin_lock_irqsave(&priv->lock, flags);
174 --priv->outstanding_urbs;
175 spin_unlock_irqrestore(&priv->lock, flags);
176
Johan Hovolde32d82bc2012-11-18 13:23:32 +0100177 usb_serial_port_softint(port);
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800178}
179
180static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port,
181 const unsigned char *buf, int count)
182{
Johan Hovold70d25ee2012-11-18 13:23:30 +0100183 struct opticon_private *priv = usb_get_serial_port_data(port);
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800184 struct usb_serial *serial = port->serial;
185 struct urb *urb;
186 unsigned char *buffer;
187 unsigned long flags;
188 int status;
Martin Jansen309a0572011-02-24 14:50:16 +0100189 struct usb_ctrlrequest *dr;
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800190
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800191 spin_lock_irqsave(&priv->lock, flags);
192 if (priv->outstanding_urbs > URB_UPPER_LIMIT) {
193 spin_unlock_irqrestore(&priv->lock, flags);
Greg Kroah-Hartmand44d9ab2012-09-13 17:18:19 -0700194 dev_dbg(&port->dev, "%s - write limit hit\n", __func__);
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800195 return 0;
196 }
197 priv->outstanding_urbs++;
198 spin_unlock_irqrestore(&priv->lock, flags);
199
200 buffer = kmalloc(count, GFP_ATOMIC);
201 if (!buffer) {
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800202 count = -ENOMEM;
203 goto error_no_buffer;
204 }
205
206 urb = usb_alloc_urb(0, GFP_ATOMIC);
207 if (!urb) {
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800208 count = -ENOMEM;
209 goto error_no_urb;
210 }
211
212 memcpy(buffer, buf, count);
213
Greg Kroah-Hartman59d33f22012-09-18 09:58:57 +0100214 usb_serial_debug_data(&port->dev, __func__, count, buffer);
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800215
Rahul Bedarkarcd8c5052014-01-02 19:29:24 +0530216 /* The connected devices do not have a bulk write endpoint,
Martin Jansen309a0572011-02-24 14:50:16 +0100217 * to transmit data to de barcode device the control endpoint is used */
218 dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_NOIO);
Julia Lawallb0795bb2011-05-13 17:30:46 +0200219 if (!dr) {
Julia Lawallb0795bb2011-05-13 17:30:46 +0200220 count = -ENOMEM;
Johan Hovoldacbf0e52012-10-25 10:29:12 +0200221 goto error_no_dr;
Julia Lawallb0795bb2011-05-13 17:30:46 +0200222 }
Alon Ziv0d930e52010-10-10 08:32:19 +0200223
Martin Jansen309a0572011-02-24 14:50:16 +0100224 dr->bRequestType = USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_OUT;
225 dr->bRequest = 0x01;
226 dr->wValue = 0;
227 dr->wIndex = 0;
228 dr->wLength = cpu_to_le16(count);
Alon Ziv0d930e52010-10-10 08:32:19 +0200229
Martin Jansen309a0572011-02-24 14:50:16 +0100230 usb_fill_control_urb(urb, serial->dev,
231 usb_sndctrlpipe(serial->dev, 0),
232 (unsigned char *)dr, buffer, count,
Johan Hovolde32d82bc2012-11-18 13:23:32 +0100233 opticon_write_control_callback, port);
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800234
235 /* send it down the pipe */
236 status = usb_submit_urb(urb, GFP_ATOMIC);
237 if (status) {
238 dev_err(&port->dev,
Martin Jansen309a0572011-02-24 14:50:16 +0100239 "%s - usb_submit_urb(write endpoint) failed status = %d\n",
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800240 __func__, status);
241 count = status;
242 goto error;
243 }
244
245 /* we are done with this urb, so let the host driver
246 * really free it when it is finished with it */
247 usb_free_urb(urb);
248
249 return count;
250error:
Johan Hovoldacbf0e52012-10-25 10:29:12 +0200251 kfree(dr);
252error_no_dr:
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800253 usb_free_urb(urb);
254error_no_urb:
255 kfree(buffer);
256error_no_buffer:
257 spin_lock_irqsave(&priv->lock, flags);
258 --priv->outstanding_urbs;
259 spin_unlock_irqrestore(&priv->lock, flags);
260 return count;
261}
262
263static int opticon_write_room(struct tty_struct *tty)
264{
265 struct usb_serial_port *port = tty->driver_data;
Johan Hovold70d25ee2012-11-18 13:23:30 +0100266 struct opticon_private *priv = usb_get_serial_port_data(port);
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800267 unsigned long flags;
268
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800269 /*
270 * We really can take almost anything the user throws at us
271 * but let's pick a nice big number to tell the tty
272 * layer that we have lots of free space, unless we don't.
273 */
274 spin_lock_irqsave(&priv->lock, flags);
275 if (priv->outstanding_urbs > URB_UPPER_LIMIT * 2 / 3) {
276 spin_unlock_irqrestore(&priv->lock, flags);
Greg Kroah-Hartmand44d9ab2012-09-13 17:18:19 -0700277 dev_dbg(&port->dev, "%s - write limit hit\n", __func__);
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800278 return 0;
279 }
280 spin_unlock_irqrestore(&priv->lock, flags);
281
282 return 2048;
283}
284
Alan Cox60b33c12011-02-14 16:26:14 +0000285static int opticon_tiocmget(struct tty_struct *tty)
Greg Kroah-Hartmanfaac64a2009-02-06 18:31:46 -0800286{
287 struct usb_serial_port *port = tty->driver_data;
Johan Hovold70d25ee2012-11-18 13:23:30 +0100288 struct opticon_private *priv = usb_get_serial_port_data(port);
Greg Kroah-Hartmanfaac64a2009-02-06 18:31:46 -0800289 unsigned long flags;
290 int result = 0;
291
Greg Kroah-Hartmanfaac64a2009-02-06 18:31:46 -0800292 spin_lock_irqsave(&priv->lock, flags);
293 if (priv->rts)
Martin Jansen309a0572011-02-24 14:50:16 +0100294 result |= TIOCM_RTS;
295 if (priv->cts)
296 result |= TIOCM_CTS;
Greg Kroah-Hartmanfaac64a2009-02-06 18:31:46 -0800297 spin_unlock_irqrestore(&priv->lock, flags);
298
Greg Kroah-Hartmand44d9ab2012-09-13 17:18:19 -0700299 dev_dbg(&port->dev, "%s - %x\n", __func__, result);
Greg Kroah-Hartmanfaac64a2009-02-06 18:31:46 -0800300 return result;
301}
302
Randy Dunlap4acfaf82011-04-03 11:42:00 -0700303static int opticon_tiocmset(struct tty_struct *tty,
Martin Jansen309a0572011-02-24 14:50:16 +0100304 unsigned int set, unsigned int clear)
305{
306 struct usb_serial_port *port = tty->driver_data;
Johan Hovold70d25ee2012-11-18 13:23:30 +0100307 struct opticon_private *priv = usb_get_serial_port_data(port);
Martin Jansen309a0572011-02-24 14:50:16 +0100308 unsigned long flags;
309 bool rts;
310 bool changed = false;
Johan Hovold81d5a672012-04-25 15:56:29 +0200311 int ret;
Martin Jansen309a0572011-02-24 14:50:16 +0100312
Martin Jansen309a0572011-02-24 14:50:16 +0100313 /* We only support RTS so we only handle that */
314 spin_lock_irqsave(&priv->lock, flags);
315
316 rts = priv->rts;
317 if (set & TIOCM_RTS)
318 priv->rts = true;
319 if (clear & TIOCM_RTS)
320 priv->rts = false;
321 changed = rts ^ priv->rts;
322 spin_unlock_irqrestore(&priv->lock, flags);
323
324 if (!changed)
325 return 0;
326
Johan Hovold94bcef62013-03-21 12:37:43 +0100327 ret = send_control_msg(port, CONTROL_RTS, !rts);
328 if (ret)
329 return usb_translate_errors(ret);
Johan Hovold81d5a672012-04-25 15:56:29 +0200330
Johan Hovold94bcef62013-03-21 12:37:43 +0100331 return 0;
Martin Jansen309a0572011-02-24 14:50:16 +0100332}
333
Johan Hovold56be1a12012-11-18 13:23:31 +0100334static int get_serial_info(struct usb_serial_port *port,
Greg Kroah-Hartmanfaac64a2009-02-06 18:31:46 -0800335 struct serial_struct __user *serial)
336{
337 struct serial_struct tmp;
338
339 if (!serial)
340 return -EFAULT;
341
342 memset(&tmp, 0x00, sizeof(tmp));
343
344 /* fake emulate a 16550 uart to make userspace code happy */
345 tmp.type = PORT_16550A;
Greg Kroah-Hartmane5b1e202013-06-07 11:04:28 -0700346 tmp.line = port->minor;
Greg Kroah-Hartmanfaac64a2009-02-06 18:31:46 -0800347 tmp.port = 0;
348 tmp.irq = 0;
349 tmp.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
350 tmp.xmit_fifo_size = 1024;
351 tmp.baud_base = 9600;
352 tmp.close_delay = 5*HZ;
353 tmp.closing_wait = 30*HZ;
354
355 if (copy_to_user(serial, &tmp, sizeof(*serial)))
356 return -EFAULT;
357 return 0;
358}
359
Alan Cox00a0d0d2011-02-14 16:27:06 +0000360static int opticon_ioctl(struct tty_struct *tty,
Greg Kroah-Hartmanfaac64a2009-02-06 18:31:46 -0800361 unsigned int cmd, unsigned long arg)
362{
363 struct usb_serial_port *port = tty->driver_data;
Greg Kroah-Hartmanfaac64a2009-02-06 18:31:46 -0800364
Greg Kroah-Hartmanfaac64a2009-02-06 18:31:46 -0800365 switch (cmd) {
366 case TIOCGSERIAL:
Johan Hovold56be1a12012-11-18 13:23:31 +0100367 return get_serial_info(port,
Greg Kroah-Hartmanfaac64a2009-02-06 18:31:46 -0800368 (struct serial_struct __user *)arg);
369 }
370
371 return -ENOIOCTLCMD;
372}
373
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800374static int opticon_startup(struct usb_serial *serial)
375{
Johan Hovolda0a5fd92012-11-18 13:23:27 +0100376 if (!serial->num_bulk_in) {
377 dev_err(&serial->dev->dev, "no bulk in endpoint\n");
378 return -ENODEV;
379 }
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800380
Johan Hovold70d25ee2012-11-18 13:23:30 +0100381 return 0;
382}
383
384static int opticon_port_probe(struct usb_serial_port *port)
385{
Johan Hovold70d25ee2012-11-18 13:23:30 +0100386 struct opticon_private *priv;
Johan Hovold70d25ee2012-11-18 13:23:30 +0100387
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800388 priv = kzalloc(sizeof(*priv), GFP_KERNEL);
Johan Hovold70d25ee2012-11-18 13:23:30 +0100389 if (!priv)
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800390 return -ENOMEM;
Johan Hovold70d25ee2012-11-18 13:23:30 +0100391
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800392 spin_lock_init(&priv->lock);
Johan Hovold0b8718a2012-11-18 13:23:22 +0100393
Johan Hovold70d25ee2012-11-18 13:23:30 +0100394 usb_set_serial_port_data(port, priv);
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800395
Johan Hovold70d25ee2012-11-18 13:23:30 +0100396 return 0;
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800397}
398
Johan Hovold70d25ee2012-11-18 13:23:30 +0100399static int opticon_port_remove(struct usb_serial_port *port)
Alan Sternf9c99bb2009-06-02 11:53:55 -0400400{
Johan Hovold70d25ee2012-11-18 13:23:30 +0100401 struct opticon_private *priv = usb_get_serial_port_data(port);
Alan Sternf9c99bb2009-06-02 11:53:55 -0400402
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800403 kfree(priv);
Johan Hovold70d25ee2012-11-18 13:23:30 +0100404
405 return 0;
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800406}
407
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800408static struct usb_serial_driver opticon_device = {
409 .driver = {
410 .owner = THIS_MODULE,
411 .name = "opticon",
412 },
413 .id_table = id_table,
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800414 .num_ports = 1,
Johan Hovold333396f2012-11-18 13:23:33 +0100415 .bulk_in_size = 256,
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800416 .attach = opticon_startup,
Johan Hovold70d25ee2012-11-18 13:23:30 +0100417 .port_probe = opticon_port_probe,
418 .port_remove = opticon_port_remove,
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800419 .open = opticon_open,
Greg Kroah-Hartman648d4e12009-02-06 18:30:56 -0800420 .write = opticon_write,
421 .write_room = opticon_write_room,
Johan Hovold7a6ee2b2012-11-18 13:23:36 +0100422 .throttle = usb_serial_generic_throttle,
423 .unthrottle = usb_serial_generic_unthrottle,
Greg Kroah-Hartmanfaac64a2009-02-06 18:31:46 -0800424 .ioctl = opticon_ioctl,
425 .tiocmget = opticon_tiocmget,
Martin Jansen309a0572011-02-24 14:50:16 +0100426 .tiocmset = opticon_tiocmset,
Johan Hovold7a6ee2b2012-11-18 13:23:36 +0100427 .process_read_urb = opticon_process_read_urb,
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800428};
429
Alan Sternf667dda2012-02-23 14:57:18 -0500430static struct usb_serial_driver * const serial_drivers[] = {
431 &opticon_device, NULL
432};
433
Greg Kroah-Hartman68e24112012-05-08 15:46:14 -0700434module_usb_serial_driver(serial_drivers, id_table);
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800435
Martin Jansen309a0572011-02-24 14:50:16 +0100436MODULE_DESCRIPTION(DRIVER_DESC);
Greg Kroah-Hartman57262b82008-11-03 13:27:03 -0800437MODULE_LICENSE("GPL");