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 | 71 | static int kobil_startup(struct usb_serial *serial); |
f9c99bb8 | 72 | static void kobil_release(struct usb_serial *serial); |
dee0a7cc | 73 | static int kobil_open(struct tty_struct *tty, |
95da310e | 74 | struct usb_serial_port *port, struct file *filp); |
335f8514 | 75 | static void kobil_close(struct usb_serial_port *port); |
dee0a7cc | 76 | static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, |
1da177e4 | 77 | const unsigned char *buf, int count); |
95da310e AC |
78 | static int kobil_write_room(struct tty_struct *tty); |
79 | static int kobil_ioctl(struct tty_struct *tty, struct file *file, | |
1da177e4 | 80 | unsigned int cmd, unsigned long arg); |
95da310e AC |
81 | static int kobil_tiocmget(struct tty_struct *tty, struct file *file); |
82 | static int kobil_tiocmset(struct tty_struct *tty, struct file *file, | |
1da177e4 | 83 | unsigned int set, unsigned int clear); |
dee0a7cc AC |
84 | static void kobil_read_int_callback(struct urb *urb); |
85 | static void kobil_write_callback(struct urb *purb); | |
86 | static void kobil_set_termios(struct tty_struct *tty, | |
95da310e | 87 | struct usb_serial_port *port, struct ktermios *old); |
1da177e4 LT |
88 | |
89 | ||
90 | static struct usb_device_id id_table [] = { | |
91 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_B_PRODUCT_ID) }, | |
92 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_K_PRODUCT_ID) }, | |
93 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_USBTWIN_PRODUCT_ID) }, | |
94 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_KAAN_SIM_PRODUCT_ID) }, | |
95 | { } /* Terminating entry */ | |
96 | }; | |
97 | ||
98 | ||
dee0a7cc | 99 | MODULE_DEVICE_TABLE(usb, id_table); |
1da177e4 LT |
100 | |
101 | static struct usb_driver kobil_driver = { | |
1da177e4 LT |
102 | .name = "kobil", |
103 | .probe = usb_serial_probe, | |
104 | .disconnect = usb_serial_disconnect, | |
105 | .id_table = id_table, | |
ba9dc657 | 106 | .no_dynamic_id = 1, |
1da177e4 LT |
107 | }; |
108 | ||
109 | ||
ea65370d | 110 | static struct usb_serial_driver kobil_device = { |
18fcac35 GKH |
111 | .driver = { |
112 | .owner = THIS_MODULE, | |
269bda1c | 113 | .name = "kobil", |
18fcac35 | 114 | }, |
269bda1c | 115 | .description = "KOBIL USB smart card terminal", |
d9b1b787 | 116 | .usb_driver = &kobil_driver, |
1da177e4 | 117 | .id_table = id_table, |
1da177e4 LT |
118 | .num_ports = 1, |
119 | .attach = kobil_startup, | |
f9c99bb8 | 120 | .release = kobil_release, |
1da177e4 | 121 | .ioctl = kobil_ioctl, |
94d0f7ea | 122 | .set_termios = kobil_set_termios, |
1da177e4 LT |
123 | .tiocmget = kobil_tiocmget, |
124 | .tiocmset = kobil_tiocmset, | |
125 | .open = kobil_open, | |
126 | .close = kobil_close, | |
127 | .write = kobil_write, | |
128 | .write_room = kobil_write_room, | |
129 | .read_int_callback = kobil_read_int_callback, | |
130 | }; | |
131 | ||
132 | ||
133 | struct kobil_private { | |
134 | int write_int_endpoint_address; | |
135 | int read_int_endpoint_address; | |
dee0a7cc AC |
136 | unsigned char buf[KOBIL_BUF_LENGTH]; /* buffer for the APDU to send */ |
137 | int filled; /* index of the last char in buf */ | |
138 | int cur_pos; /* index of the next char to send in buf */ | |
1da177e4 | 139 | __u16 device_type; |
1da177e4 LT |
140 | }; |
141 | ||
142 | ||
dee0a7cc | 143 | static int kobil_startup(struct usb_serial *serial) |
1da177e4 LT |
144 | { |
145 | int i; | |
146 | struct kobil_private *priv; | |
147 | struct usb_device *pdev; | |
148 | struct usb_host_config *actconfig; | |
149 | struct usb_interface *interface; | |
150 | struct usb_host_interface *altsetting; | |
151 | struct usb_host_endpoint *endpoint; | |
152 | ||
153 | priv = kmalloc(sizeof(struct kobil_private), GFP_KERNEL); | |
dee0a7cc | 154 | if (!priv) |
1da177e4 | 155 | return -ENOMEM; |
1da177e4 LT |
156 | |
157 | priv->filled = 0; | |
158 | priv->cur_pos = 0; | |
159 | priv->device_type = le16_to_cpu(serial->dev->descriptor.idProduct); | |
1da177e4 | 160 | |
dee0a7cc | 161 | switch (priv->device_type) { |
1da177e4 LT |
162 | case KOBIL_ADAPTER_B_PRODUCT_ID: |
163 | printk(KERN_DEBUG "KOBIL B1 PRO / KAAN PRO detected\n"); | |
164 | break; | |
165 | case KOBIL_ADAPTER_K_PRODUCT_ID: | |
dee0a7cc AC |
166 | printk(KERN_DEBUG |
167 | "KOBIL KAAN Standard Plus / SecOVID Reader Plus detected\n"); | |
1da177e4 LT |
168 | break; |
169 | case KOBIL_USBTWIN_PRODUCT_ID: | |
170 | printk(KERN_DEBUG "KOBIL USBTWIN detected\n"); | |
171 | break; | |
172 | case KOBIL_KAAN_SIM_PRODUCT_ID: | |
173 | printk(KERN_DEBUG "KOBIL KAAN SIM detected\n"); | |
174 | break; | |
175 | } | |
176 | usb_set_serial_port_data(serial->port[0], priv); | |
177 | ||
dee0a7cc | 178 | /* search for the necessary endpoints */ |
1da177e4 | 179 | pdev = serial->dev; |
dee0a7cc AC |
180 | actconfig = pdev->actconfig; |
181 | interface = actconfig->interface[0]; | |
1da177e4 | 182 | altsetting = interface->cur_altsetting; |
dee0a7cc AC |
183 | endpoint = altsetting->endpoint; |
184 | ||
185 | for (i = 0; i < altsetting->desc.bNumEndpoints; i++) { | |
1da177e4 | 186 | endpoint = &altsetting->endpoint[i]; |
4f1f1ddd | 187 | if (usb_endpoint_is_int_out(&endpoint->desc)) { |
dee0a7cc AC |
188 | dbg("%s Found interrupt out endpoint. Address: %d", |
189 | __func__, endpoint->desc.bEndpointAddress); | |
190 | priv->write_int_endpoint_address = | |
191 | endpoint->desc.bEndpointAddress; | |
192 | } | |
4f1f1ddd | 193 | if (usb_endpoint_is_int_in(&endpoint->desc)) { |
dee0a7cc AC |
194 | dbg("%s Found interrupt in endpoint. Address: %d", |
195 | __func__, endpoint->desc.bEndpointAddress); | |
196 | priv->read_int_endpoint_address = | |
197 | endpoint->desc.bEndpointAddress; | |
198 | } | |
1da177e4 LT |
199 | } |
200 | return 0; | |
201 | } | |
202 | ||
203 | ||
f9c99bb8 | 204 | static void kobil_release(struct usb_serial *serial) |
1da177e4 LT |
205 | { |
206 | int i; | |
441b62c1 | 207 | dbg("%s - port %d", __func__, serial->port[0]->number); |
1da177e4 | 208 | |
f9c99bb8 | 209 | for (i = 0; i < serial->num_ports; ++i) |
1da177e4 | 210 | kfree(usb_get_serial_port_data(serial->port[i])); |
1da177e4 LT |
211 | } |
212 | ||
213 | ||
95da310e AC |
214 | static int kobil_open(struct tty_struct *tty, |
215 | struct usb_serial_port *port, struct file *filp) | |
1da177e4 | 216 | { |
94d0f7ea | 217 | int result = 0; |
1da177e4 LT |
218 | struct kobil_private *priv; |
219 | unsigned char *transfer_buffer; | |
220 | int transfer_buffer_length = 8; | |
221 | int write_urb_transfer_buffer_length = 8; | |
222 | ||
441b62c1 | 223 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 224 | priv = usb_get_serial_port_data(port); |
1da177e4 | 225 | |
dee0a7cc | 226 | /* someone sets the dev to 0 if the close method has been called */ |
1da177e4 LT |
227 | port->interrupt_in_urb->dev = port->serial->dev; |
228 | ||
95da310e | 229 | if (tty) { |
95da310e AC |
230 | |
231 | /* Default to echo off and other sane device settings */ | |
232 | tty->termios->c_lflag = 0; | |
dee0a7cc AC |
233 | tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | |
234 | XCASE); | |
95da310e | 235 | tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF; |
dee0a7cc AC |
236 | /* do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D) */ |
237 | tty->termios->c_oflag &= ~ONLCR; | |
238 | } | |
239 | /* allocate memory for transfer buffer */ | |
80b6ca48 | 240 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 241 | if (!transfer_buffer) |
1da177e4 | 242 | return -ENOMEM; |
dee0a7cc AC |
243 | |
244 | /* allocate write_urb */ | |
245 | if (!port->write_urb) { | |
246 | dbg("%s - port %d Allocating port->write_urb", | |
247 | __func__, port->number); | |
248 | port->write_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1da177e4 | 249 | if (!port->write_urb) { |
dee0a7cc AC |
250 | dbg("%s - port %d usb_alloc_urb failed", |
251 | __func__, port->number); | |
1da177e4 LT |
252 | kfree(transfer_buffer); |
253 | return -ENOMEM; | |
254 | } | |
255 | } | |
256 | ||
dee0a7cc AC |
257 | /* allocate memory for write_urb transfer buffer */ |
258 | port->write_urb->transfer_buffer = | |
259 | kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL); | |
260 | if (!port->write_urb->transfer_buffer) { | |
1da177e4 LT |
261 | kfree(transfer_buffer); |
262 | usb_free_urb(port->write_urb); | |
263 | port->write_urb = NULL; | |
264 | return -ENOMEM; | |
dee0a7cc AC |
265 | } |
266 | ||
267 | /* get hardware version */ | |
268 | result = usb_control_msg(port->serial->dev, | |
269 | usb_rcvctrlpipe(port->serial->dev, 0), | |
270 | SUSBCRequest_GetMisc, | |
271 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
272 | SUSBCR_MSC_GetHWVersion, | |
273 | 0, | |
274 | transfer_buffer, | |
275 | transfer_buffer_length, | |
276 | KOBIL_TIMEOUT | |
277 | ); | |
278 | dbg("%s - port %d Send get_HW_version URB returns: %i", | |
279 | __func__, port->number, result); | |
280 | dbg("Harware version: %i.%i.%i", | |
281 | transfer_buffer[0], transfer_buffer[1], transfer_buffer[2]); | |
282 | ||
283 | /* get firmware version */ | |
284 | result = usb_control_msg(port->serial->dev, | |
285 | usb_rcvctrlpipe(port->serial->dev, 0), | |
286 | SUSBCRequest_GetMisc, | |
287 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
288 | SUSBCR_MSC_GetFWVersion, | |
289 | 0, | |
290 | transfer_buffer, | |
291 | transfer_buffer_length, | |
292 | KOBIL_TIMEOUT | |
293 | ); | |
294 | dbg("%s - port %d Send get_FW_version URB returns: %i", | |
295 | __func__, port->number, result); | |
296 | dbg("Firmware version: %i.%i.%i", | |
297 | transfer_buffer[0], transfer_buffer[1], transfer_buffer[2]); | |
298 | ||
299 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
300 | priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { | |
301 | /* Setting Baudrate, Parity and Stopbits */ | |
302 | result = usb_control_msg(port->serial->dev, | |
303 | usb_rcvctrlpipe(port->serial->dev, 0), | |
304 | SUSBCRequest_SetBaudRateParityAndStopBits, | |
305 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
306 | SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity | | |
307 | SUSBCR_SPASB_1StopBit, | |
308 | 0, | |
309 | transfer_buffer, | |
310 | 0, | |
311 | KOBIL_TIMEOUT | |
1da177e4 | 312 | ); |
dee0a7cc AC |
313 | dbg("%s - port %d Send set_baudrate URB returns: %i", |
314 | __func__, port->number, result); | |
315 | ||
316 | /* reset all queues */ | |
317 | result = usb_control_msg(port->serial->dev, | |
318 | usb_rcvctrlpipe(port->serial->dev, 0), | |
319 | SUSBCRequest_Misc, | |
320 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
321 | SUSBCR_MSC_ResetAllQueues, | |
322 | 0, | |
323 | transfer_buffer, | |
324 | 0, | |
325 | KOBIL_TIMEOUT | |
1da177e4 | 326 | ); |
dee0a7cc AC |
327 | dbg("%s - port %d Send reset_all_queues URB returns: %i", |
328 | __func__, port->number, result); | |
1da177e4 | 329 | } |
dee0a7cc AC |
330 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
331 | priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
1da177e4 | 332 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { |
dee0a7cc AC |
333 | /* start reading (Adapter B 'cause PNP string) */ |
334 | result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); | |
335 | dbg("%s - port %d Send read URB returns: %i", | |
336 | __func__, port->number, result); | |
1da177e4 LT |
337 | } |
338 | ||
339 | kfree(transfer_buffer); | |
340 | return 0; | |
341 | } | |
342 | ||
343 | ||
335f8514 | 344 | static void kobil_close(struct usb_serial_port *port) |
1da177e4 | 345 | { |
441b62c1 | 346 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 347 | |
335f8514 | 348 | /* FIXME: Add rts/dtr methods */ |
1da177e4 LT |
349 | if (port->write_urb) { |
350 | usb_kill_urb(port->write_urb); | |
dee0a7cc | 351 | usb_free_urb(port->write_urb); |
1da177e4 LT |
352 | port->write_urb = NULL; |
353 | } | |
5505c226 | 354 | usb_kill_urb(port->interrupt_in_urb); |
1da177e4 LT |
355 | } |
356 | ||
357 | ||
6fcdcf04 | 358 | static void kobil_read_int_callback(struct urb *urb) |
1da177e4 | 359 | { |
1da177e4 | 360 | int result; |
6fcdcf04 | 361 | struct usb_serial_port *port = urb->context; |
1da177e4 | 362 | struct tty_struct *tty; |
6fcdcf04 GKH |
363 | unsigned char *data = urb->transfer_buffer; |
364 | int status = urb->status; | |
dee0a7cc | 365 | /* char *dbg_data; */ |
1da177e4 | 366 | |
441b62c1 | 367 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 368 | |
6fcdcf04 GKH |
369 | if (status) { |
370 | dbg("%s - port %d Read int status not zero: %d", | |
441b62c1 | 371 | __func__, port->number, status); |
1da177e4 LT |
372 | return; |
373 | } | |
6fcdcf04 | 374 | |
4a90f09b | 375 | tty = tty_port_tty_get(&port->port); |
6fcdcf04 GKH |
376 | if (urb->actual_length) { |
377 | ||
dee0a7cc | 378 | /* BEGIN DEBUG */ |
1da177e4 | 379 | /* |
dee0a7cc AC |
380 | dbg_data = kzalloc((3 * purb->actual_length + 10) |
381 | * sizeof(char), GFP_KERNEL); | |
1da177e4 | 382 | if (! dbg_data) { |
dee0a7cc | 383 | return; |
1da177e4 | 384 | } |
dee0a7cc AC |
385 | for (i = 0; i < purb->actual_length; i++) { |
386 | sprintf(dbg_data +3*i, "%02X ", data[i]); | |
1da177e4 | 387 | } |
dee0a7cc | 388 | dbg(" <-- %s", dbg_data); |
1da177e4 LT |
389 | kfree(dbg_data); |
390 | */ | |
dee0a7cc | 391 | /* END DEBUG */ |
1da177e4 | 392 | |
6fcdcf04 GKH |
393 | tty_buffer_request_room(tty, urb->actual_length); |
394 | tty_insert_flip_string(tty, data, urb->actual_length); | |
1da177e4 LT |
395 | tty_flip_buffer_push(tty); |
396 | } | |
4a90f09b | 397 | tty_kref_put(tty); |
dee0a7cc | 398 | /* someone sets the dev to 0 if the close method has been called */ |
1da177e4 LT |
399 | port->interrupt_in_urb->dev = port->serial->dev; |
400 | ||
6fcdcf04 | 401 | result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); |
dee0a7cc AC |
402 | dbg("%s - port %d Send read URB returns: %i", |
403 | __func__, port->number, result); | |
1da177e4 LT |
404 | } |
405 | ||
406 | ||
dee0a7cc | 407 | static void kobil_write_callback(struct urb *purb) |
1da177e4 LT |
408 | { |
409 | } | |
410 | ||
411 | ||
dee0a7cc | 412 | static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, |
1da177e4 LT |
413 | const unsigned char *buf, int count) |
414 | { | |
415 | int length = 0; | |
416 | int result = 0; | |
417 | int todo = 0; | |
dee0a7cc | 418 | struct kobil_private *priv; |
1da177e4 LT |
419 | |
420 | if (count == 0) { | |
dee0a7cc AC |
421 | dbg("%s - port %d write request of 0 bytes", |
422 | __func__, port->number); | |
1da177e4 LT |
423 | return 0; |
424 | } | |
425 | ||
426 | priv = usb_get_serial_port_data(port); | |
427 | ||
428 | if (count > (KOBIL_BUF_LENGTH - priv->filled)) { | |
441b62c1 | 429 | dbg("%s - port %d Error: write request bigger than buffer size", __func__, port->number); |
1da177e4 LT |
430 | return -ENOMEM; |
431 | } | |
432 | ||
dee0a7cc AC |
433 | /* Copy data to buffer */ |
434 | memcpy(priv->buf + priv->filled, buf, count); | |
435 | usb_serial_debug_data(debug, &port->dev, __func__, count, | |
436 | priv->buf + priv->filled); | |
1da177e4 LT |
437 | priv->filled = priv->filled + count; |
438 | ||
dee0a7cc AC |
439 | /* only send complete block. TWIN, KAAN SIM and adapter K |
440 | use the same protocol. */ | |
441 | if (((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) || | |
442 | ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4)))) { | |
443 | /* stop reading (except TWIN and KAAN SIM) */ | |
444 | if ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) | |
445 | || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID)) | |
1da177e4 LT |
446 | usb_kill_urb(port->interrupt_in_urb); |
447 | ||
448 | todo = priv->filled - priv->cur_pos; | |
449 | ||
dee0a7cc AC |
450 | while (todo > 0) { |
451 | /* max 8 byte in one urb (endpoint size) */ | |
1da177e4 | 452 | length = (todo < 8) ? todo : 8; |
dee0a7cc AC |
453 | /* copy data to transfer buffer */ |
454 | memcpy(port->write_urb->transfer_buffer, | |
455 | priv->buf + priv->cur_pos, length); | |
456 | usb_fill_int_urb(port->write_urb, | |
457 | port->serial->dev, | |
458 | usb_sndintpipe(port->serial->dev, | |
459 | priv->write_int_endpoint_address), | |
460 | port->write_urb->transfer_buffer, | |
461 | length, | |
462 | kobil_write_callback, | |
463 | port, | |
464 | 8 | |
465 | ); | |
1da177e4 LT |
466 | |
467 | priv->cur_pos = priv->cur_pos + length; | |
dee0a7cc AC |
468 | result = usb_submit_urb(port->write_urb, GFP_NOIO); |
469 | dbg("%s - port %d Send write URB returns: %i", | |
470 | __func__, port->number, result); | |
1da177e4 LT |
471 | todo = priv->filled - priv->cur_pos; |
472 | ||
dee0a7cc | 473 | if (todo > 0) |
1da177e4 | 474 | msleep(24); |
dee0a7cc | 475 | } |
1da177e4 | 476 | |
1da177e4 LT |
477 | priv->filled = 0; |
478 | priv->cur_pos = 0; | |
479 | ||
dee0a7cc AC |
480 | /* someone sets the dev to 0 if the close method |
481 | has been called */ | |
1da177e4 | 482 | port->interrupt_in_urb->dev = port->serial->dev; |
dee0a7cc AC |
483 | |
484 | /* start reading (except TWIN and KAAN SIM) */ | |
485 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
486 | priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { | |
487 | /* someone sets the dev to 0 if the close method has | |
488 | been called */ | |
1da177e4 | 489 | port->interrupt_in_urb->dev = port->serial->dev; |
dee0a7cc AC |
490 | |
491 | result = usb_submit_urb(port->interrupt_in_urb, | |
492 | GFP_NOIO); | |
493 | dbg("%s - port %d Send read URB returns: %i", | |
494 | __func__, port->number, result); | |
1da177e4 LT |
495 | } |
496 | } | |
497 | return count; | |
498 | } | |
499 | ||
500 | ||
dee0a7cc | 501 | static int kobil_write_room(struct tty_struct *tty) |
1da177e4 | 502 | { |
dee0a7cc | 503 | /* dbg("%s - port %d", __func__, port->number); */ |
95da310e | 504 | /* FIXME */ |
1da177e4 LT |
505 | return 8; |
506 | } | |
507 | ||
508 | ||
95da310e | 509 | static int kobil_tiocmget(struct tty_struct *tty, struct file *file) |
1da177e4 | 510 | { |
95da310e | 511 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 512 | struct kobil_private *priv; |
1da177e4 LT |
513 | int result; |
514 | unsigned char *transfer_buffer; | |
515 | int transfer_buffer_length = 8; | |
516 | ||
517 | priv = usb_get_serial_port_data(port); | |
dee0a7cc AC |
518 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID |
519 | || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { | |
520 | /* This device doesn't support ioctl calls */ | |
1da177e4 LT |
521 | return -EINVAL; |
522 | } | |
523 | ||
dee0a7cc | 524 | /* allocate memory for transfer buffer */ |
80b6ca48 | 525 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 526 | if (!transfer_buffer) |
1da177e4 | 527 | return -ENOMEM; |
1da177e4 | 528 | |
dee0a7cc AC |
529 | result = usb_control_msg(port->serial->dev, |
530 | usb_rcvctrlpipe(port->serial->dev, 0), | |
531 | SUSBCRequest_GetStatusLineState, | |
532 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
533 | 0, | |
534 | 0, | |
535 | transfer_buffer, | |
536 | transfer_buffer_length, | |
537 | KOBIL_TIMEOUT); | |
538 | ||
539 | dbg("%s - port %d Send get_status_line_state URB returns: %i. Statusline: %02x", | |
441b62c1 | 540 | __func__, port->number, result, transfer_buffer[0]); |
1da177e4 | 541 | |
a40d8540 AC |
542 | result = 0; |
543 | if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0) | |
544 | result = TIOCM_DSR; | |
1da177e4 | 545 | kfree(transfer_buffer); |
a40d8540 | 546 | return result; |
1da177e4 LT |
547 | } |
548 | ||
95da310e | 549 | static int kobil_tiocmset(struct tty_struct *tty, struct file *file, |
1da177e4 LT |
550 | unsigned int set, unsigned int clear) |
551 | { | |
95da310e | 552 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 553 | struct kobil_private *priv; |
1da177e4 LT |
554 | int result; |
555 | int dtr = 0; | |
556 | int rts = 0; | |
557 | unsigned char *transfer_buffer; | |
558 | int transfer_buffer_length = 8; | |
559 | ||
a40d8540 | 560 | /* FIXME: locking ? */ |
1da177e4 | 561 | priv = usb_get_serial_port_data(port); |
dee0a7cc AC |
562 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID |
563 | || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { | |
564 | /* This device doesn't support ioctl calls */ | |
1da177e4 LT |
565 | return -EINVAL; |
566 | } | |
567 | ||
dee0a7cc | 568 | /* allocate memory for transfer buffer */ |
80b6ca48 | 569 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 570 | if (!transfer_buffer) |
1da177e4 | 571 | return -ENOMEM; |
1da177e4 LT |
572 | |
573 | if (set & TIOCM_RTS) | |
574 | rts = 1; | |
575 | if (set & TIOCM_DTR) | |
576 | dtr = 1; | |
577 | if (clear & TIOCM_RTS) | |
578 | rts = 0; | |
579 | if (clear & TIOCM_DTR) | |
580 | dtr = 0; | |
581 | ||
582 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) { | |
583 | if (dtr != 0) | |
dee0a7cc AC |
584 | dbg("%s - port %d Setting DTR", |
585 | __func__, port->number); | |
1da177e4 | 586 | else |
dee0a7cc AC |
587 | dbg("%s - port %d Clearing DTR", |
588 | __func__, port->number); | |
589 | result = usb_control_msg(port->serial->dev, | |
590 | usb_rcvctrlpipe(port->serial->dev, 0), | |
591 | SUSBCRequest_SetStatusLinesOrQueues, | |
592 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
593 | ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR), | |
594 | 0, | |
595 | transfer_buffer, | |
596 | 0, | |
597 | KOBIL_TIMEOUT); | |
1da177e4 LT |
598 | } else { |
599 | if (rts != 0) | |
dee0a7cc AC |
600 | dbg("%s - port %d Setting RTS", |
601 | __func__, port->number); | |
1da177e4 | 602 | else |
dee0a7cc AC |
603 | dbg("%s - port %d Clearing RTS", |
604 | __func__, port->number); | |
605 | result = usb_control_msg(port->serial->dev, | |
606 | usb_rcvctrlpipe(port->serial->dev, 0), | |
607 | SUSBCRequest_SetStatusLinesOrQueues, | |
608 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
609 | ((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS), | |
610 | 0, | |
611 | transfer_buffer, | |
612 | 0, | |
613 | KOBIL_TIMEOUT); | |
1da177e4 | 614 | } |
dee0a7cc AC |
615 | dbg("%s - port %d Send set_status_line URB returns: %i", |
616 | __func__, port->number, result); | |
1da177e4 LT |
617 | kfree(transfer_buffer); |
618 | return (result < 0) ? result : 0; | |
619 | } | |
620 | ||
95da310e AC |
621 | static void kobil_set_termios(struct tty_struct *tty, |
622 | struct usb_serial_port *port, struct ktermios *old) | |
1da177e4 | 623 | { |
dee0a7cc | 624 | struct kobil_private *priv; |
1da177e4 LT |
625 | int result; |
626 | unsigned short urb_val = 0; | |
95da310e | 627 | int c_cflag = tty->termios->c_cflag; |
94d0f7ea | 628 | speed_t speed; |
dee0a7cc | 629 | void *settings; |
1da177e4 LT |
630 | |
631 | priv = usb_get_serial_port_data(port); | |
dee0a7cc | 632 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
b31f658b | 633 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { |
dee0a7cc | 634 | /* This device doesn't support ioctl calls */ |
b31f658b | 635 | *tty->termios = *old; |
94d0f7ea | 636 | return; |
b31f658b | 637 | } |
1da177e4 | 638 | |
dee0a7cc AC |
639 | speed = tty_get_baud_rate(tty); |
640 | switch (speed) { | |
641 | case 1200: | |
642 | urb_val = SUSBCR_SBR_1200; | |
643 | break; | |
644 | default: | |
645 | speed = 9600; | |
646 | case 9600: | |
647 | urb_val = SUSBCR_SBR_9600; | |
648 | break; | |
94d0f7ea | 649 | } |
dee0a7cc AC |
650 | urb_val |= (c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits : |
651 | SUSBCR_SPASB_1StopBit; | |
94d0f7ea AC |
652 | |
653 | settings = kzalloc(50, GFP_KERNEL); | |
dee0a7cc | 654 | if (!settings) |
94d0f7ea | 655 | return; |
1da177e4 | 656 | |
94d0f7ea | 657 | sprintf(settings, "%d ", speed); |
1da177e4 | 658 | |
94d0f7ea AC |
659 | if (c_cflag & PARENB) { |
660 | if (c_cflag & PARODD) { | |
661 | urb_val |= SUSBCR_SPASB_OddParity; | |
662 | strcat(settings, "Odd Parity"); | |
1da177e4 | 663 | } else { |
94d0f7ea AC |
664 | urb_val |= SUSBCR_SPASB_EvenParity; |
665 | strcat(settings, "Even Parity"); | |
1da177e4 | 666 | } |
94d0f7ea AC |
667 | } else { |
668 | urb_val |= SUSBCR_SPASB_NoParity; | |
669 | strcat(settings, "No Parity"); | |
670 | } | |
95da310e AC |
671 | tty->termios->c_cflag &= ~CMSPAR; |
672 | tty_encode_baud_rate(tty, speed, speed); | |
1da177e4 | 673 | |
dee0a7cc AC |
674 | result = usb_control_msg(port->serial->dev, |
675 | usb_rcvctrlpipe(port->serial->dev, 0), | |
676 | SUSBCRequest_SetBaudRateParityAndStopBits, | |
677 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
678 | urb_val, | |
679 | 0, | |
680 | settings, | |
681 | 0, | |
682 | KOBIL_TIMEOUT | |
94d0f7ea AC |
683 | ); |
684 | kfree(settings); | |
685 | } | |
1da177e4 | 686 | |
dee0a7cc AC |
687 | static int kobil_ioctl(struct tty_struct *tty, struct file *file, |
688 | unsigned int cmd, unsigned long arg) | |
94d0f7ea | 689 | { |
95da310e | 690 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 691 | struct kobil_private *priv = usb_get_serial_port_data(port); |
94d0f7ea AC |
692 | unsigned char *transfer_buffer; |
693 | int transfer_buffer_length = 8; | |
694 | int result; | |
695 | ||
dee0a7cc AC |
696 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
697 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) | |
698 | /* This device doesn't support ioctl calls */ | |
b31f658b | 699 | return -ENOIOCTLCMD; |
1da177e4 | 700 | |
94d0f7ea | 701 | switch (cmd) { |
95da310e | 702 | case TCFLSH: |
5cbded58 | 703 | transfer_buffer = kmalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc AC |
704 | if (!transfer_buffer) |
705 | return -ENOBUFS; | |
706 | ||
707 | result = usb_control_msg(port->serial->dev, | |
708 | usb_rcvctrlpipe(port->serial->dev, 0), | |
709 | SUSBCRequest_Misc, | |
710 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
711 | SUSBCR_MSC_ResetAllQueues, | |
712 | 0, | |
713 | NULL, /* transfer_buffer, */ | |
714 | 0, | |
715 | KOBIL_TIMEOUT | |
1da177e4 | 716 | ); |
dee0a7cc | 717 | |
441b62c1 | 718 | dbg("%s - port %d Send reset_all_queues (FLUSH) URB returns: %i", __func__, port->number, result); |
1da177e4 | 719 | kfree(transfer_buffer); |
95da310e | 720 | return (result < 0) ? -EIO: 0; |
94d0f7ea AC |
721 | default: |
722 | return -ENOIOCTLCMD; | |
1da177e4 | 723 | } |
1da177e4 LT |
724 | } |
725 | ||
dee0a7cc | 726 | static int __init kobil_init(void) |
1da177e4 LT |
727 | { |
728 | int retval; | |
729 | retval = usb_serial_register(&kobil_device); | |
730 | if (retval) | |
731 | goto failed_usb_serial_register; | |
732 | retval = usb_register(&kobil_driver); | |
dee0a7cc | 733 | if (retval) |
1da177e4 LT |
734 | goto failed_usb_register; |
735 | ||
c197a8db GKH |
736 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" |
737 | DRIVER_DESC "\n"); | |
1da177e4 LT |
738 | |
739 | return 0; | |
740 | failed_usb_register: | |
741 | usb_serial_deregister(&kobil_device); | |
742 | failed_usb_serial_register: | |
743 | return retval; | |
744 | } | |
745 | ||
746 | ||
dee0a7cc | 747 | static void __exit kobil_exit(void) |
1da177e4 | 748 | { |
dee0a7cc AC |
749 | usb_deregister(&kobil_driver); |
750 | usb_serial_deregister(&kobil_device); | |
1da177e4 LT |
751 | } |
752 | ||
753 | module_init(kobil_init); | |
754 | module_exit(kobil_exit); | |
755 | ||
dee0a7cc AC |
756 | MODULE_AUTHOR(DRIVER_AUTHOR); |
757 | MODULE_DESCRIPTION(DRIVER_DESC); | |
758 | MODULE_LICENSE("GPL"); | |
1da177e4 LT |
759 | |
760 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
761 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |