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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * KOBIL USB Smart Card Terminal Driver | |
3 | * | |
dee0a7cc | 4 | * Copyright (C) 2002 KOBIL Systems GmbH |
1da177e4 LT |
5 | * Author: Thomas Wahrenbruch |
6 | * | |
7 | * Contact: linuxusb@kobil.de | |
8 | * | |
9 | * This program is largely derived from work by the linux-usb group | |
10 | * and associated source files. Please see the usb/serial files for | |
11 | * individual credits and copyrights. | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or | |
16 | * (at your option) any later version. | |
17 | * | |
18 | * Thanks to Greg Kroah-Hartman (greg@kroah.com) for his help and | |
19 | * patience. | |
20 | * | |
21 | * Supported readers: USB TWIN, KAAN Standard Plus and SecOVID Reader Plus | |
22 | * (Adapter K), B1 Professional and KAAN Professional (Adapter B) | |
dee0a7cc | 23 | * |
1da177e4 LT |
24 | * (21/05/2004) tw |
25 | * Fix bug with P'n'P readers | |
26 | * | |
27 | * (28/05/2003) tw | |
28 | * Add support for KAAN SIM | |
29 | * | |
30 | * (12/09/2002) tw | |
31 | * Adapted to 2.5. | |
32 | * | |
33 | * (11/08/2002) tw | |
34 | * Initial version. | |
35 | */ | |
36 | ||
37 | ||
1da177e4 LT |
38 | #include <linux/kernel.h> |
39 | #include <linux/errno.h> | |
40 | #include <linux/init.h> | |
41 | #include <linux/slab.h> | |
42 | #include <linux/tty.h> | |
43 | #include <linux/tty_driver.h> | |
44 | #include <linux/tty_flip.h> | |
45 | #include <linux/module.h> | |
46 | #include <linux/spinlock.h> | |
dee0a7cc | 47 | #include <linux/uaccess.h> |
1da177e4 | 48 | #include <linux/usb.h> |
a969888c | 49 | #include <linux/usb/serial.h> |
1da177e4 | 50 | #include <linux/ioctl.h> |
1da177e4 LT |
51 | #include "kobil_sct.h" |
52 | ||
53 | static int debug; | |
54 | ||
55 | /* Version Information */ | |
56 | #define DRIVER_VERSION "21/05/2004" | |
57 | #define DRIVER_AUTHOR "KOBIL Systems GmbH - http://www.kobil.com" | |
58 | #define DRIVER_DESC "KOBIL USB Smart Card Terminal Driver (experimental)" | |
59 | ||
60 | #define KOBIL_VENDOR_ID 0x0D46 | |
61 | #define KOBIL_ADAPTER_B_PRODUCT_ID 0x2011 | |
62 | #define KOBIL_ADAPTER_K_PRODUCT_ID 0x2012 | |
63 | #define KOBIL_USBTWIN_PRODUCT_ID 0x0078 | |
64 | #define KOBIL_KAAN_SIM_PRODUCT_ID 0x0081 | |
65 | ||
66 | #define KOBIL_TIMEOUT 500 | |
67 | #define KOBIL_BUF_LENGTH 300 | |
68 | ||
69 | ||
70 | /* Function prototypes */ | |
dee0a7cc AC |
71 | static int kobil_startup(struct usb_serial *serial); |
72 | static void kobil_shutdown(struct usb_serial *serial); | |
73 | static int kobil_open(struct tty_struct *tty, | |
95da310e | 74 | struct usb_serial_port *port, struct file *filp); |
dee0a7cc | 75 | static void kobil_close(struct tty_struct *tty, struct usb_serial_port *port, |
95da310e | 76 | struct file *filp); |
dee0a7cc | 77 | static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, |
1da177e4 | 78 | const unsigned char *buf, int count); |
95da310e AC |
79 | static int kobil_write_room(struct tty_struct *tty); |
80 | static int kobil_ioctl(struct tty_struct *tty, struct file *file, | |
1da177e4 | 81 | unsigned int cmd, unsigned long arg); |
95da310e AC |
82 | static int kobil_tiocmget(struct tty_struct *tty, struct file *file); |
83 | static int kobil_tiocmset(struct tty_struct *tty, struct file *file, | |
1da177e4 | 84 | unsigned int set, unsigned int clear); |
dee0a7cc AC |
85 | static void kobil_read_int_callback(struct urb *urb); |
86 | static void kobil_write_callback(struct urb *purb); | |
87 | static void kobil_set_termios(struct tty_struct *tty, | |
95da310e | 88 | struct usb_serial_port *port, struct ktermios *old); |
1da177e4 LT |
89 | |
90 | ||
91 | static struct usb_device_id id_table [] = { | |
92 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_B_PRODUCT_ID) }, | |
93 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_K_PRODUCT_ID) }, | |
94 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_USBTWIN_PRODUCT_ID) }, | |
95 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_KAAN_SIM_PRODUCT_ID) }, | |
96 | { } /* Terminating entry */ | |
97 | }; | |
98 | ||
99 | ||
dee0a7cc | 100 | MODULE_DEVICE_TABLE(usb, id_table); |
1da177e4 LT |
101 | |
102 | static struct usb_driver kobil_driver = { | |
1da177e4 LT |
103 | .name = "kobil", |
104 | .probe = usb_serial_probe, | |
105 | .disconnect = usb_serial_disconnect, | |
106 | .id_table = id_table, | |
ba9dc657 | 107 | .no_dynamic_id = 1, |
1da177e4 LT |
108 | }; |
109 | ||
110 | ||
ea65370d | 111 | static struct usb_serial_driver kobil_device = { |
18fcac35 GKH |
112 | .driver = { |
113 | .owner = THIS_MODULE, | |
269bda1c | 114 | .name = "kobil", |
18fcac35 | 115 | }, |
269bda1c | 116 | .description = "KOBIL USB smart card terminal", |
d9b1b787 | 117 | .usb_driver = &kobil_driver, |
1da177e4 | 118 | .id_table = id_table, |
1da177e4 LT |
119 | .num_ports = 1, |
120 | .attach = kobil_startup, | |
121 | .shutdown = kobil_shutdown, | |
122 | .ioctl = kobil_ioctl, | |
94d0f7ea | 123 | .set_termios = kobil_set_termios, |
1da177e4 LT |
124 | .tiocmget = kobil_tiocmget, |
125 | .tiocmset = kobil_tiocmset, | |
126 | .open = kobil_open, | |
127 | .close = kobil_close, | |
128 | .write = kobil_write, | |
129 | .write_room = kobil_write_room, | |
130 | .read_int_callback = kobil_read_int_callback, | |
131 | }; | |
132 | ||
133 | ||
134 | struct kobil_private { | |
135 | int write_int_endpoint_address; | |
136 | int read_int_endpoint_address; | |
dee0a7cc AC |
137 | unsigned char buf[KOBIL_BUF_LENGTH]; /* buffer for the APDU to send */ |
138 | int filled; /* index of the last char in buf */ | |
139 | int cur_pos; /* index of the next char to send in buf */ | |
1da177e4 | 140 | __u16 device_type; |
1da177e4 LT |
141 | }; |
142 | ||
143 | ||
dee0a7cc | 144 | static int kobil_startup(struct usb_serial *serial) |
1da177e4 LT |
145 | { |
146 | int i; | |
147 | struct kobil_private *priv; | |
148 | struct usb_device *pdev; | |
149 | struct usb_host_config *actconfig; | |
150 | struct usb_interface *interface; | |
151 | struct usb_host_interface *altsetting; | |
152 | struct usb_host_endpoint *endpoint; | |
153 | ||
154 | priv = kmalloc(sizeof(struct kobil_private), GFP_KERNEL); | |
dee0a7cc | 155 | if (!priv) |
1da177e4 | 156 | return -ENOMEM; |
1da177e4 LT |
157 | |
158 | priv->filled = 0; | |
159 | priv->cur_pos = 0; | |
160 | priv->device_type = le16_to_cpu(serial->dev->descriptor.idProduct); | |
1da177e4 | 161 | |
dee0a7cc | 162 | switch (priv->device_type) { |
1da177e4 LT |
163 | case KOBIL_ADAPTER_B_PRODUCT_ID: |
164 | printk(KERN_DEBUG "KOBIL B1 PRO / KAAN PRO detected\n"); | |
165 | break; | |
166 | case KOBIL_ADAPTER_K_PRODUCT_ID: | |
dee0a7cc AC |
167 | printk(KERN_DEBUG |
168 | "KOBIL KAAN Standard Plus / SecOVID Reader Plus detected\n"); | |
1da177e4 LT |
169 | break; |
170 | case KOBIL_USBTWIN_PRODUCT_ID: | |
171 | printk(KERN_DEBUG "KOBIL USBTWIN detected\n"); | |
172 | break; | |
173 | case KOBIL_KAAN_SIM_PRODUCT_ID: | |
174 | printk(KERN_DEBUG "KOBIL KAAN SIM detected\n"); | |
175 | break; | |
176 | } | |
177 | usb_set_serial_port_data(serial->port[0], priv); | |
178 | ||
dee0a7cc | 179 | /* search for the necessary endpoints */ |
1da177e4 | 180 | pdev = serial->dev; |
dee0a7cc AC |
181 | actconfig = pdev->actconfig; |
182 | interface = actconfig->interface[0]; | |
1da177e4 | 183 | altsetting = interface->cur_altsetting; |
dee0a7cc AC |
184 | endpoint = altsetting->endpoint; |
185 | ||
186 | for (i = 0; i < altsetting->desc.bNumEndpoints; i++) { | |
1da177e4 | 187 | endpoint = &altsetting->endpoint[i]; |
4f1f1ddd | 188 | if (usb_endpoint_is_int_out(&endpoint->desc)) { |
dee0a7cc AC |
189 | dbg("%s Found interrupt out endpoint. Address: %d", |
190 | __func__, endpoint->desc.bEndpointAddress); | |
191 | priv->write_int_endpoint_address = | |
192 | endpoint->desc.bEndpointAddress; | |
193 | } | |
4f1f1ddd | 194 | if (usb_endpoint_is_int_in(&endpoint->desc)) { |
dee0a7cc AC |
195 | dbg("%s Found interrupt in endpoint. Address: %d", |
196 | __func__, endpoint->desc.bEndpointAddress); | |
197 | priv->read_int_endpoint_address = | |
198 | endpoint->desc.bEndpointAddress; | |
199 | } | |
1da177e4 LT |
200 | } |
201 | return 0; | |
202 | } | |
203 | ||
204 | ||
dee0a7cc | 205 | static void kobil_shutdown(struct usb_serial *serial) |
1da177e4 LT |
206 | { |
207 | int i; | |
441b62c1 | 208 | dbg("%s - port %d", __func__, serial->port[0]->number); |
1da177e4 | 209 | |
dee0a7cc AC |
210 | for (i = 0; i < serial->num_ports; ++i) { |
211 | while (serial->port[i]->port.count > 0) | |
212 | kobil_close(NULL, serial->port[i], NULL); | |
1da177e4 LT |
213 | kfree(usb_get_serial_port_data(serial->port[i])); |
214 | usb_set_serial_port_data(serial->port[i], NULL); | |
215 | } | |
216 | } | |
217 | ||
218 | ||
95da310e AC |
219 | static int kobil_open(struct tty_struct *tty, |
220 | struct usb_serial_port *port, struct file *filp) | |
1da177e4 | 221 | { |
94d0f7ea | 222 | int result = 0; |
1da177e4 LT |
223 | struct kobil_private *priv; |
224 | unsigned char *transfer_buffer; | |
225 | int transfer_buffer_length = 8; | |
226 | int write_urb_transfer_buffer_length = 8; | |
227 | ||
441b62c1 | 228 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 229 | priv = usb_get_serial_port_data(port); |
1da177e4 | 230 | |
dee0a7cc | 231 | /* someone sets the dev to 0 if the close method has been called */ |
1da177e4 LT |
232 | port->interrupt_in_urb->dev = port->serial->dev; |
233 | ||
234 | ||
235 | /* force low_latency on so that our tty_push actually forces | |
236 | * the data through, otherwise it is scheduled, and with high | |
237 | * data rates (like with OHCI) data can get lost. | |
238 | */ | |
95da310e AC |
239 | if (tty) { |
240 | tty->low_latency = 1; | |
241 | ||
242 | /* Default to echo off and other sane device settings */ | |
243 | tty->termios->c_lflag = 0; | |
dee0a7cc AC |
244 | tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | |
245 | XCASE); | |
95da310e | 246 | tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF; |
dee0a7cc AC |
247 | /* do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D) */ |
248 | tty->termios->c_oflag &= ~ONLCR; | |
249 | } | |
250 | /* allocate memory for transfer buffer */ | |
80b6ca48 | 251 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 252 | if (!transfer_buffer) |
1da177e4 | 253 | return -ENOMEM; |
dee0a7cc AC |
254 | |
255 | /* allocate write_urb */ | |
256 | if (!port->write_urb) { | |
257 | dbg("%s - port %d Allocating port->write_urb", | |
258 | __func__, port->number); | |
259 | port->write_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1da177e4 | 260 | if (!port->write_urb) { |
dee0a7cc AC |
261 | dbg("%s - port %d usb_alloc_urb failed", |
262 | __func__, port->number); | |
1da177e4 LT |
263 | kfree(transfer_buffer); |
264 | return -ENOMEM; | |
265 | } | |
266 | } | |
267 | ||
dee0a7cc AC |
268 | /* allocate memory for write_urb transfer buffer */ |
269 | port->write_urb->transfer_buffer = | |
270 | kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL); | |
271 | if (!port->write_urb->transfer_buffer) { | |
1da177e4 LT |
272 | kfree(transfer_buffer); |
273 | usb_free_urb(port->write_urb); | |
274 | port->write_urb = NULL; | |
275 | return -ENOMEM; | |
dee0a7cc AC |
276 | } |
277 | ||
278 | /* get hardware version */ | |
279 | result = usb_control_msg(port->serial->dev, | |
280 | usb_rcvctrlpipe(port->serial->dev, 0), | |
281 | SUSBCRequest_GetMisc, | |
282 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
283 | SUSBCR_MSC_GetHWVersion, | |
284 | 0, | |
285 | transfer_buffer, | |
286 | transfer_buffer_length, | |
287 | KOBIL_TIMEOUT | |
288 | ); | |
289 | dbg("%s - port %d Send get_HW_version URB returns: %i", | |
290 | __func__, port->number, result); | |
291 | dbg("Harware version: %i.%i.%i", | |
292 | transfer_buffer[0], transfer_buffer[1], transfer_buffer[2]); | |
293 | ||
294 | /* get firmware version */ | |
295 | result = usb_control_msg(port->serial->dev, | |
296 | usb_rcvctrlpipe(port->serial->dev, 0), | |
297 | SUSBCRequest_GetMisc, | |
298 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
299 | SUSBCR_MSC_GetFWVersion, | |
300 | 0, | |
301 | transfer_buffer, | |
302 | transfer_buffer_length, | |
303 | KOBIL_TIMEOUT | |
304 | ); | |
305 | dbg("%s - port %d Send get_FW_version URB returns: %i", | |
306 | __func__, port->number, result); | |
307 | dbg("Firmware version: %i.%i.%i", | |
308 | transfer_buffer[0], transfer_buffer[1], transfer_buffer[2]); | |
309 | ||
310 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
311 | priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { | |
312 | /* Setting Baudrate, Parity and Stopbits */ | |
313 | result = usb_control_msg(port->serial->dev, | |
314 | usb_rcvctrlpipe(port->serial->dev, 0), | |
315 | SUSBCRequest_SetBaudRateParityAndStopBits, | |
316 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
317 | SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity | | |
318 | SUSBCR_SPASB_1StopBit, | |
319 | 0, | |
320 | transfer_buffer, | |
321 | 0, | |
322 | KOBIL_TIMEOUT | |
1da177e4 | 323 | ); |
dee0a7cc AC |
324 | dbg("%s - port %d Send set_baudrate URB returns: %i", |
325 | __func__, port->number, result); | |
326 | ||
327 | /* reset all queues */ | |
328 | result = usb_control_msg(port->serial->dev, | |
329 | usb_rcvctrlpipe(port->serial->dev, 0), | |
330 | SUSBCRequest_Misc, | |
331 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
332 | SUSBCR_MSC_ResetAllQueues, | |
333 | 0, | |
334 | transfer_buffer, | |
335 | 0, | |
336 | KOBIL_TIMEOUT | |
1da177e4 | 337 | ); |
dee0a7cc AC |
338 | dbg("%s - port %d Send reset_all_queues URB returns: %i", |
339 | __func__, port->number, result); | |
1da177e4 | 340 | } |
dee0a7cc AC |
341 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
342 | priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
1da177e4 | 343 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { |
dee0a7cc AC |
344 | /* start reading (Adapter B 'cause PNP string) */ |
345 | result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); | |
346 | dbg("%s - port %d Send read URB returns: %i", | |
347 | __func__, port->number, result); | |
1da177e4 LT |
348 | } |
349 | ||
350 | kfree(transfer_buffer); | |
351 | return 0; | |
352 | } | |
353 | ||
354 | ||
95da310e AC |
355 | static void kobil_close(struct tty_struct *tty, |
356 | struct usb_serial_port *port, struct file *filp) | |
1da177e4 | 357 | { |
441b62c1 | 358 | dbg("%s - port %d", __func__, port->number); |
1da177e4 LT |
359 | |
360 | if (port->write_urb) { | |
361 | usb_kill_urb(port->write_urb); | |
dee0a7cc | 362 | usb_free_urb(port->write_urb); |
1da177e4 LT |
363 | port->write_urb = NULL; |
364 | } | |
5505c226 | 365 | usb_kill_urb(port->interrupt_in_urb); |
1da177e4 LT |
366 | } |
367 | ||
368 | ||
6fcdcf04 | 369 | static void kobil_read_int_callback(struct urb *urb) |
1da177e4 | 370 | { |
1da177e4 | 371 | int result; |
6fcdcf04 | 372 | struct usb_serial_port *port = urb->context; |
1da177e4 | 373 | struct tty_struct *tty; |
6fcdcf04 GKH |
374 | unsigned char *data = urb->transfer_buffer; |
375 | int status = urb->status; | |
dee0a7cc | 376 | /* char *dbg_data; */ |
1da177e4 | 377 | |
441b62c1 | 378 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 379 | |
6fcdcf04 GKH |
380 | if (status) { |
381 | dbg("%s - port %d Read int status not zero: %d", | |
441b62c1 | 382 | __func__, port->number, status); |
1da177e4 LT |
383 | return; |
384 | } | |
6fcdcf04 | 385 | |
95da310e | 386 | tty = port->port.tty; |
6fcdcf04 GKH |
387 | if (urb->actual_length) { |
388 | ||
dee0a7cc | 389 | /* BEGIN DEBUG */ |
1da177e4 | 390 | /* |
dee0a7cc AC |
391 | dbg_data = kzalloc((3 * purb->actual_length + 10) |
392 | * sizeof(char), GFP_KERNEL); | |
1da177e4 | 393 | if (! dbg_data) { |
dee0a7cc | 394 | return; |
1da177e4 | 395 | } |
dee0a7cc AC |
396 | for (i = 0; i < purb->actual_length; i++) { |
397 | sprintf(dbg_data +3*i, "%02X ", data[i]); | |
1da177e4 | 398 | } |
dee0a7cc | 399 | dbg(" <-- %s", dbg_data); |
1da177e4 LT |
400 | kfree(dbg_data); |
401 | */ | |
dee0a7cc | 402 | /* END DEBUG */ |
1da177e4 | 403 | |
6fcdcf04 GKH |
404 | tty_buffer_request_room(tty, urb->actual_length); |
405 | tty_insert_flip_string(tty, data, urb->actual_length); | |
1da177e4 LT |
406 | tty_flip_buffer_push(tty); |
407 | } | |
dee0a7cc | 408 | /* someone sets the dev to 0 if the close method has been called */ |
1da177e4 LT |
409 | port->interrupt_in_urb->dev = port->serial->dev; |
410 | ||
6fcdcf04 | 411 | result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); |
dee0a7cc AC |
412 | dbg("%s - port %d Send read URB returns: %i", |
413 | __func__, port->number, result); | |
1da177e4 LT |
414 | } |
415 | ||
416 | ||
dee0a7cc | 417 | static void kobil_write_callback(struct urb *purb) |
1da177e4 LT |
418 | { |
419 | } | |
420 | ||
421 | ||
dee0a7cc | 422 | static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, |
1da177e4 LT |
423 | const unsigned char *buf, int count) |
424 | { | |
425 | int length = 0; | |
426 | int result = 0; | |
427 | int todo = 0; | |
dee0a7cc | 428 | struct kobil_private *priv; |
1da177e4 LT |
429 | |
430 | if (count == 0) { | |
dee0a7cc AC |
431 | dbg("%s - port %d write request of 0 bytes", |
432 | __func__, port->number); | |
1da177e4 LT |
433 | return 0; |
434 | } | |
435 | ||
436 | priv = usb_get_serial_port_data(port); | |
437 | ||
438 | if (count > (KOBIL_BUF_LENGTH - priv->filled)) { | |
441b62c1 | 439 | dbg("%s - port %d Error: write request bigger than buffer size", __func__, port->number); |
1da177e4 LT |
440 | return -ENOMEM; |
441 | } | |
442 | ||
dee0a7cc AC |
443 | /* Copy data to buffer */ |
444 | memcpy(priv->buf + priv->filled, buf, count); | |
445 | usb_serial_debug_data(debug, &port->dev, __func__, count, | |
446 | priv->buf + priv->filled); | |
1da177e4 LT |
447 | priv->filled = priv->filled + count; |
448 | ||
dee0a7cc AC |
449 | /* only send complete block. TWIN, KAAN SIM and adapter K |
450 | use the same protocol. */ | |
451 | if (((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) || | |
452 | ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4)))) { | |
453 | /* stop reading (except TWIN and KAAN SIM) */ | |
454 | if ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) | |
455 | || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID)) | |
1da177e4 LT |
456 | usb_kill_urb(port->interrupt_in_urb); |
457 | ||
458 | todo = priv->filled - priv->cur_pos; | |
459 | ||
dee0a7cc AC |
460 | while (todo > 0) { |
461 | /* max 8 byte in one urb (endpoint size) */ | |
1da177e4 | 462 | length = (todo < 8) ? todo : 8; |
dee0a7cc AC |
463 | /* copy data to transfer buffer */ |
464 | memcpy(port->write_urb->transfer_buffer, | |
465 | priv->buf + priv->cur_pos, length); | |
466 | usb_fill_int_urb(port->write_urb, | |
467 | port->serial->dev, | |
468 | usb_sndintpipe(port->serial->dev, | |
469 | priv->write_int_endpoint_address), | |
470 | port->write_urb->transfer_buffer, | |
471 | length, | |
472 | kobil_write_callback, | |
473 | port, | |
474 | 8 | |
475 | ); | |
1da177e4 LT |
476 | |
477 | priv->cur_pos = priv->cur_pos + length; | |
dee0a7cc AC |
478 | result = usb_submit_urb(port->write_urb, GFP_NOIO); |
479 | dbg("%s - port %d Send write URB returns: %i", | |
480 | __func__, port->number, result); | |
1da177e4 LT |
481 | todo = priv->filled - priv->cur_pos; |
482 | ||
dee0a7cc | 483 | if (todo > 0) |
1da177e4 | 484 | msleep(24); |
dee0a7cc | 485 | } |
1da177e4 | 486 | |
1da177e4 LT |
487 | priv->filled = 0; |
488 | priv->cur_pos = 0; | |
489 | ||
dee0a7cc AC |
490 | /* someone sets the dev to 0 if the close method |
491 | has been called */ | |
1da177e4 | 492 | port->interrupt_in_urb->dev = port->serial->dev; |
dee0a7cc AC |
493 | |
494 | /* start reading (except TWIN and KAAN SIM) */ | |
495 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
496 | priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { | |
497 | /* someone sets the dev to 0 if the close method has | |
498 | been called */ | |
1da177e4 | 499 | port->interrupt_in_urb->dev = port->serial->dev; |
dee0a7cc AC |
500 | |
501 | result = usb_submit_urb(port->interrupt_in_urb, | |
502 | GFP_NOIO); | |
503 | dbg("%s - port %d Send read URB returns: %i", | |
504 | __func__, port->number, result); | |
1da177e4 LT |
505 | } |
506 | } | |
507 | return count; | |
508 | } | |
509 | ||
510 | ||
dee0a7cc | 511 | static int kobil_write_room(struct tty_struct *tty) |
1da177e4 | 512 | { |
dee0a7cc | 513 | /* dbg("%s - port %d", __func__, port->number); */ |
95da310e | 514 | /* FIXME */ |
1da177e4 LT |
515 | return 8; |
516 | } | |
517 | ||
518 | ||
95da310e | 519 | static int kobil_tiocmget(struct tty_struct *tty, struct file *file) |
1da177e4 | 520 | { |
95da310e | 521 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 522 | struct kobil_private *priv; |
1da177e4 LT |
523 | int result; |
524 | unsigned char *transfer_buffer; | |
525 | int transfer_buffer_length = 8; | |
526 | ||
527 | priv = usb_get_serial_port_data(port); | |
dee0a7cc AC |
528 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID |
529 | || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { | |
530 | /* This device doesn't support ioctl calls */ | |
1da177e4 LT |
531 | return -EINVAL; |
532 | } | |
533 | ||
dee0a7cc | 534 | /* allocate memory for transfer buffer */ |
80b6ca48 | 535 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 536 | if (!transfer_buffer) |
1da177e4 | 537 | return -ENOMEM; |
1da177e4 | 538 | |
dee0a7cc AC |
539 | result = usb_control_msg(port->serial->dev, |
540 | usb_rcvctrlpipe(port->serial->dev, 0), | |
541 | SUSBCRequest_GetStatusLineState, | |
542 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
543 | 0, | |
544 | 0, | |
545 | transfer_buffer, | |
546 | transfer_buffer_length, | |
547 | KOBIL_TIMEOUT); | |
548 | ||
549 | dbg("%s - port %d Send get_status_line_state URB returns: %i. Statusline: %02x", | |
441b62c1 | 550 | __func__, port->number, result, transfer_buffer[0]); |
1da177e4 | 551 | |
a40d8540 AC |
552 | result = 0; |
553 | if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0) | |
554 | result = TIOCM_DSR; | |
1da177e4 | 555 | kfree(transfer_buffer); |
a40d8540 | 556 | return result; |
1da177e4 LT |
557 | } |
558 | ||
95da310e | 559 | static int kobil_tiocmset(struct tty_struct *tty, struct file *file, |
1da177e4 LT |
560 | unsigned int set, unsigned int clear) |
561 | { | |
95da310e | 562 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 563 | struct kobil_private *priv; |
1da177e4 LT |
564 | int result; |
565 | int dtr = 0; | |
566 | int rts = 0; | |
567 | unsigned char *transfer_buffer; | |
568 | int transfer_buffer_length = 8; | |
569 | ||
a40d8540 | 570 | /* FIXME: locking ? */ |
1da177e4 | 571 | priv = usb_get_serial_port_data(port); |
dee0a7cc AC |
572 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID |
573 | || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { | |
574 | /* This device doesn't support ioctl calls */ | |
1da177e4 LT |
575 | return -EINVAL; |
576 | } | |
577 | ||
dee0a7cc | 578 | /* allocate memory for transfer buffer */ |
80b6ca48 | 579 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 580 | if (!transfer_buffer) |
1da177e4 | 581 | return -ENOMEM; |
1da177e4 LT |
582 | |
583 | if (set & TIOCM_RTS) | |
584 | rts = 1; | |
585 | if (set & TIOCM_DTR) | |
586 | dtr = 1; | |
587 | if (clear & TIOCM_RTS) | |
588 | rts = 0; | |
589 | if (clear & TIOCM_DTR) | |
590 | dtr = 0; | |
591 | ||
592 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) { | |
593 | if (dtr != 0) | |
dee0a7cc AC |
594 | dbg("%s - port %d Setting DTR", |
595 | __func__, port->number); | |
1da177e4 | 596 | else |
dee0a7cc AC |
597 | dbg("%s - port %d Clearing DTR", |
598 | __func__, port->number); | |
599 | result = usb_control_msg(port->serial->dev, | |
600 | usb_rcvctrlpipe(port->serial->dev, 0), | |
601 | SUSBCRequest_SetStatusLinesOrQueues, | |
602 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
603 | ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR), | |
604 | 0, | |
605 | transfer_buffer, | |
606 | 0, | |
607 | KOBIL_TIMEOUT); | |
1da177e4 LT |
608 | } else { |
609 | if (rts != 0) | |
dee0a7cc AC |
610 | dbg("%s - port %d Setting RTS", |
611 | __func__, port->number); | |
1da177e4 | 612 | else |
dee0a7cc AC |
613 | dbg("%s - port %d Clearing RTS", |
614 | __func__, port->number); | |
615 | result = usb_control_msg(port->serial->dev, | |
616 | usb_rcvctrlpipe(port->serial->dev, 0), | |
617 | SUSBCRequest_SetStatusLinesOrQueues, | |
618 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
619 | ((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS), | |
620 | 0, | |
621 | transfer_buffer, | |
622 | 0, | |
623 | KOBIL_TIMEOUT); | |
1da177e4 | 624 | } |
dee0a7cc AC |
625 | dbg("%s - port %d Send set_status_line URB returns: %i", |
626 | __func__, port->number, result); | |
1da177e4 LT |
627 | kfree(transfer_buffer); |
628 | return (result < 0) ? result : 0; | |
629 | } | |
630 | ||
95da310e AC |
631 | static void kobil_set_termios(struct tty_struct *tty, |
632 | struct usb_serial_port *port, struct ktermios *old) | |
1da177e4 | 633 | { |
dee0a7cc | 634 | struct kobil_private *priv; |
1da177e4 LT |
635 | int result; |
636 | unsigned short urb_val = 0; | |
95da310e | 637 | int c_cflag = tty->termios->c_cflag; |
94d0f7ea | 638 | speed_t speed; |
dee0a7cc | 639 | void *settings; |
1da177e4 LT |
640 | |
641 | priv = usb_get_serial_port_data(port); | |
dee0a7cc | 642 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
b31f658b | 643 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { |
dee0a7cc | 644 | /* This device doesn't support ioctl calls */ |
b31f658b | 645 | *tty->termios = *old; |
94d0f7ea | 646 | return; |
b31f658b | 647 | } |
1da177e4 | 648 | |
dee0a7cc AC |
649 | speed = tty_get_baud_rate(tty); |
650 | switch (speed) { | |
651 | case 1200: | |
652 | urb_val = SUSBCR_SBR_1200; | |
653 | break; | |
654 | default: | |
655 | speed = 9600; | |
656 | case 9600: | |
657 | urb_val = SUSBCR_SBR_9600; | |
658 | break; | |
94d0f7ea | 659 | } |
dee0a7cc AC |
660 | urb_val |= (c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits : |
661 | SUSBCR_SPASB_1StopBit; | |
94d0f7ea AC |
662 | |
663 | settings = kzalloc(50, GFP_KERNEL); | |
dee0a7cc | 664 | if (!settings) |
94d0f7ea | 665 | return; |
1da177e4 | 666 | |
94d0f7ea | 667 | sprintf(settings, "%d ", speed); |
1da177e4 | 668 | |
94d0f7ea AC |
669 | if (c_cflag & PARENB) { |
670 | if (c_cflag & PARODD) { | |
671 | urb_val |= SUSBCR_SPASB_OddParity; | |
672 | strcat(settings, "Odd Parity"); | |
1da177e4 | 673 | } else { |
94d0f7ea AC |
674 | urb_val |= SUSBCR_SPASB_EvenParity; |
675 | strcat(settings, "Even Parity"); | |
1da177e4 | 676 | } |
94d0f7ea AC |
677 | } else { |
678 | urb_val |= SUSBCR_SPASB_NoParity; | |
679 | strcat(settings, "No Parity"); | |
680 | } | |
95da310e AC |
681 | tty->termios->c_cflag &= ~CMSPAR; |
682 | tty_encode_baud_rate(tty, speed, speed); | |
1da177e4 | 683 | |
dee0a7cc AC |
684 | result = usb_control_msg(port->serial->dev, |
685 | usb_rcvctrlpipe(port->serial->dev, 0), | |
686 | SUSBCRequest_SetBaudRateParityAndStopBits, | |
687 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
688 | urb_val, | |
689 | 0, | |
690 | settings, | |
691 | 0, | |
692 | KOBIL_TIMEOUT | |
94d0f7ea AC |
693 | ); |
694 | kfree(settings); | |
695 | } | |
1da177e4 | 696 | |
dee0a7cc AC |
697 | static int kobil_ioctl(struct tty_struct *tty, struct file *file, |
698 | unsigned int cmd, unsigned long arg) | |
94d0f7ea | 699 | { |
95da310e | 700 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 701 | struct kobil_private *priv = usb_get_serial_port_data(port); |
94d0f7ea AC |
702 | unsigned char *transfer_buffer; |
703 | int transfer_buffer_length = 8; | |
704 | int result; | |
705 | ||
dee0a7cc AC |
706 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
707 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) | |
708 | /* This device doesn't support ioctl calls */ | |
b31f658b | 709 | return -ENOIOCTLCMD; |
1da177e4 | 710 | |
94d0f7ea | 711 | switch (cmd) { |
95da310e | 712 | case TCFLSH: |
5cbded58 | 713 | transfer_buffer = kmalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc AC |
714 | if (!transfer_buffer) |
715 | return -ENOBUFS; | |
716 | ||
717 | result = usb_control_msg(port->serial->dev, | |
718 | usb_rcvctrlpipe(port->serial->dev, 0), | |
719 | SUSBCRequest_Misc, | |
720 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
721 | SUSBCR_MSC_ResetAllQueues, | |
722 | 0, | |
723 | NULL, /* transfer_buffer, */ | |
724 | 0, | |
725 | KOBIL_TIMEOUT | |
1da177e4 | 726 | ); |
dee0a7cc | 727 | |
441b62c1 | 728 | dbg("%s - port %d Send reset_all_queues (FLUSH) URB returns: %i", __func__, port->number, result); |
1da177e4 | 729 | kfree(transfer_buffer); |
95da310e | 730 | return (result < 0) ? -EIO: 0; |
94d0f7ea AC |
731 | default: |
732 | return -ENOIOCTLCMD; | |
1da177e4 | 733 | } |
1da177e4 LT |
734 | } |
735 | ||
dee0a7cc | 736 | static int __init kobil_init(void) |
1da177e4 LT |
737 | { |
738 | int retval; | |
739 | retval = usb_serial_register(&kobil_device); | |
740 | if (retval) | |
741 | goto failed_usb_serial_register; | |
742 | retval = usb_register(&kobil_driver); | |
dee0a7cc | 743 | if (retval) |
1da177e4 LT |
744 | goto failed_usb_register; |
745 | ||
746 | info(DRIVER_VERSION " " DRIVER_AUTHOR); | |
747 | info(DRIVER_DESC); | |
748 | ||
749 | return 0; | |
750 | failed_usb_register: | |
751 | usb_serial_deregister(&kobil_device); | |
752 | failed_usb_serial_register: | |
753 | return retval; | |
754 | } | |
755 | ||
756 | ||
dee0a7cc | 757 | static void __exit kobil_exit(void) |
1da177e4 | 758 | { |
dee0a7cc AC |
759 | usb_deregister(&kobil_driver); |
760 | usb_serial_deregister(&kobil_device); | |
1da177e4 LT |
761 | } |
762 | ||
763 | module_init(kobil_init); | |
764 | module_exit(kobil_exit); | |
765 | ||
dee0a7cc AC |
766 | MODULE_AUTHOR(DRIVER_AUTHOR); |
767 | MODULE_DESCRIPTION(DRIVER_DESC); | |
768 | MODULE_LICENSE("GPL"); | |
1da177e4 LT |
769 | |
770 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
771 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |