Commit | Line | Data |
---|---|---|
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); |
a509a7e4 | 73 | static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port); |
335f8514 | 74 | static void kobil_close(struct usb_serial_port *port); |
dee0a7cc | 75 | static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, |
1da177e4 | 76 | const unsigned char *buf, int count); |
95da310e AC |
77 | static int kobil_write_room(struct tty_struct *tty); |
78 | static int kobil_ioctl(struct tty_struct *tty, struct file *file, | |
1da177e4 | 79 | unsigned int cmd, unsigned long arg); |
95da310e AC |
80 | static int kobil_tiocmget(struct tty_struct *tty, struct file *file); |
81 | static int kobil_tiocmset(struct tty_struct *tty, struct file *file, | |
1da177e4 | 82 | unsigned int set, unsigned int clear); |
dee0a7cc AC |
83 | static void kobil_read_int_callback(struct urb *urb); |
84 | static void kobil_write_callback(struct urb *purb); | |
85 | static void kobil_set_termios(struct tty_struct *tty, | |
95da310e | 86 | struct usb_serial_port *port, struct ktermios *old); |
fe1ae7fd | 87 | static void kobil_init_termios(struct tty_struct *tty); |
1da177e4 | 88 | |
7d40d7e8 | 89 | static const struct usb_device_id id_table[] = { |
1da177e4 LT |
90 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_B_PRODUCT_ID) }, |
91 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_K_PRODUCT_ID) }, | |
92 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_USBTWIN_PRODUCT_ID) }, | |
93 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_KAAN_SIM_PRODUCT_ID) }, | |
94 | { } /* Terminating entry */ | |
95 | }; | |
96 | ||
97 | ||
dee0a7cc | 98 | MODULE_DEVICE_TABLE(usb, id_table); |
1da177e4 LT |
99 | |
100 | static struct usb_driver kobil_driver = { | |
1da177e4 LT |
101 | .name = "kobil", |
102 | .probe = usb_serial_probe, | |
103 | .disconnect = usb_serial_disconnect, | |
104 | .id_table = id_table, | |
ba9dc657 | 105 | .no_dynamic_id = 1, |
1da177e4 LT |
106 | }; |
107 | ||
108 | ||
ea65370d | 109 | static struct usb_serial_driver kobil_device = { |
18fcac35 GKH |
110 | .driver = { |
111 | .owner = THIS_MODULE, | |
269bda1c | 112 | .name = "kobil", |
18fcac35 | 113 | }, |
269bda1c | 114 | .description = "KOBIL USB smart card terminal", |
d9b1b787 | 115 | .usb_driver = &kobil_driver, |
1da177e4 | 116 | .id_table = id_table, |
1da177e4 LT |
117 | .num_ports = 1, |
118 | .attach = kobil_startup, | |
f9c99bb8 | 119 | .release = kobil_release, |
1da177e4 | 120 | .ioctl = kobil_ioctl, |
94d0f7ea | 121 | .set_termios = kobil_set_termios, |
fe1ae7fd | 122 | .init_termios = kobil_init_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 | ||
fe1ae7fd AC |
213 | static void kobil_init_termios(struct tty_struct *tty) |
214 | { | |
215 | /* Default to echo off and other sane device settings */ | |
216 | tty->termios->c_lflag = 0; | |
217 | tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE); | |
218 | tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF; | |
219 | /* do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D) */ | |
220 | tty->termios->c_oflag &= ~ONLCR; | |
221 | } | |
1da177e4 | 222 | |
a509a7e4 | 223 | static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port) |
1da177e4 | 224 | { |
94d0f7ea | 225 | int result = 0; |
1da177e4 LT |
226 | struct kobil_private *priv; |
227 | unsigned char *transfer_buffer; | |
228 | int transfer_buffer_length = 8; | |
229 | int write_urb_transfer_buffer_length = 8; | |
230 | ||
441b62c1 | 231 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 232 | priv = usb_get_serial_port_data(port); |
1da177e4 | 233 | |
dee0a7cc | 234 | /* someone sets the dev to 0 if the close method has been called */ |
1da177e4 LT |
235 | port->interrupt_in_urb->dev = port->serial->dev; |
236 | ||
dee0a7cc | 237 | /* allocate memory for transfer buffer */ |
80b6ca48 | 238 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 239 | if (!transfer_buffer) |
1da177e4 | 240 | return -ENOMEM; |
dee0a7cc AC |
241 | |
242 | /* allocate write_urb */ | |
243 | if (!port->write_urb) { | |
244 | dbg("%s - port %d Allocating port->write_urb", | |
245 | __func__, port->number); | |
246 | port->write_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1da177e4 | 247 | if (!port->write_urb) { |
dee0a7cc AC |
248 | dbg("%s - port %d usb_alloc_urb failed", |
249 | __func__, port->number); | |
1da177e4 LT |
250 | kfree(transfer_buffer); |
251 | return -ENOMEM; | |
252 | } | |
253 | } | |
254 | ||
dee0a7cc AC |
255 | /* allocate memory for write_urb transfer buffer */ |
256 | port->write_urb->transfer_buffer = | |
257 | kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL); | |
258 | if (!port->write_urb->transfer_buffer) { | |
1da177e4 LT |
259 | kfree(transfer_buffer); |
260 | usb_free_urb(port->write_urb); | |
261 | port->write_urb = NULL; | |
262 | return -ENOMEM; | |
dee0a7cc AC |
263 | } |
264 | ||
265 | /* get hardware version */ | |
266 | result = usb_control_msg(port->serial->dev, | |
267 | usb_rcvctrlpipe(port->serial->dev, 0), | |
268 | SUSBCRequest_GetMisc, | |
269 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
270 | SUSBCR_MSC_GetHWVersion, | |
271 | 0, | |
272 | transfer_buffer, | |
273 | transfer_buffer_length, | |
274 | KOBIL_TIMEOUT | |
275 | ); | |
276 | dbg("%s - port %d Send get_HW_version URB returns: %i", | |
277 | __func__, port->number, result); | |
278 | dbg("Harware version: %i.%i.%i", | |
279 | transfer_buffer[0], transfer_buffer[1], transfer_buffer[2]); | |
280 | ||
281 | /* get firmware version */ | |
282 | result = usb_control_msg(port->serial->dev, | |
283 | usb_rcvctrlpipe(port->serial->dev, 0), | |
284 | SUSBCRequest_GetMisc, | |
285 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
286 | SUSBCR_MSC_GetFWVersion, | |
287 | 0, | |
288 | transfer_buffer, | |
289 | transfer_buffer_length, | |
290 | KOBIL_TIMEOUT | |
291 | ); | |
292 | dbg("%s - port %d Send get_FW_version URB returns: %i", | |
293 | __func__, port->number, result); | |
294 | dbg("Firmware version: %i.%i.%i", | |
295 | transfer_buffer[0], transfer_buffer[1], transfer_buffer[2]); | |
296 | ||
297 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
298 | priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { | |
299 | /* Setting Baudrate, Parity and Stopbits */ | |
300 | result = usb_control_msg(port->serial->dev, | |
301 | usb_rcvctrlpipe(port->serial->dev, 0), | |
302 | SUSBCRequest_SetBaudRateParityAndStopBits, | |
303 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
304 | SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity | | |
305 | SUSBCR_SPASB_1StopBit, | |
306 | 0, | |
307 | transfer_buffer, | |
308 | 0, | |
309 | KOBIL_TIMEOUT | |
1da177e4 | 310 | ); |
dee0a7cc AC |
311 | dbg("%s - port %d Send set_baudrate URB returns: %i", |
312 | __func__, port->number, result); | |
313 | ||
314 | /* reset all queues */ | |
315 | result = usb_control_msg(port->serial->dev, | |
316 | usb_rcvctrlpipe(port->serial->dev, 0), | |
317 | SUSBCRequest_Misc, | |
318 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
319 | SUSBCR_MSC_ResetAllQueues, | |
320 | 0, | |
321 | transfer_buffer, | |
322 | 0, | |
323 | KOBIL_TIMEOUT | |
1da177e4 | 324 | ); |
dee0a7cc AC |
325 | dbg("%s - port %d Send reset_all_queues URB returns: %i", |
326 | __func__, port->number, result); | |
1da177e4 | 327 | } |
dee0a7cc AC |
328 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
329 | priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
1da177e4 | 330 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { |
dee0a7cc AC |
331 | /* start reading (Adapter B 'cause PNP string) */ |
332 | result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); | |
333 | dbg("%s - port %d Send read URB returns: %i", | |
334 | __func__, port->number, result); | |
1da177e4 LT |
335 | } |
336 | ||
337 | kfree(transfer_buffer); | |
338 | return 0; | |
339 | } | |
340 | ||
341 | ||
335f8514 | 342 | static void kobil_close(struct usb_serial_port *port) |
1da177e4 | 343 | { |
441b62c1 | 344 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 345 | |
335f8514 | 346 | /* FIXME: Add rts/dtr methods */ |
1da177e4 | 347 | if (port->write_urb) { |
c0f631d1 JH |
348 | usb_poison_urb(port->write_urb); |
349 | kfree(port->write_urb->transfer_buffer); | |
dee0a7cc | 350 | usb_free_urb(port->write_urb); |
1da177e4 LT |
351 | port->write_urb = NULL; |
352 | } | |
5505c226 | 353 | usb_kill_urb(port->interrupt_in_urb); |
1da177e4 LT |
354 | } |
355 | ||
356 | ||
6fcdcf04 | 357 | static void kobil_read_int_callback(struct urb *urb) |
1da177e4 | 358 | { |
1da177e4 | 359 | int result; |
6fcdcf04 | 360 | struct usb_serial_port *port = urb->context; |
1da177e4 | 361 | struct tty_struct *tty; |
6fcdcf04 GKH |
362 | unsigned char *data = urb->transfer_buffer; |
363 | int status = urb->status; | |
dee0a7cc | 364 | /* char *dbg_data; */ |
1da177e4 | 365 | |
441b62c1 | 366 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 367 | |
6fcdcf04 GKH |
368 | if (status) { |
369 | dbg("%s - port %d Read int status not zero: %d", | |
441b62c1 | 370 | __func__, port->number, status); |
1da177e4 LT |
371 | return; |
372 | } | |
6fcdcf04 | 373 | |
4a90f09b | 374 | tty = tty_port_tty_get(&port->port); |
6fcdcf04 GKH |
375 | if (urb->actual_length) { |
376 | ||
dee0a7cc | 377 | /* BEGIN DEBUG */ |
1da177e4 | 378 | /* |
dee0a7cc AC |
379 | dbg_data = kzalloc((3 * purb->actual_length + 10) |
380 | * sizeof(char), GFP_KERNEL); | |
1da177e4 | 381 | if (! dbg_data) { |
dee0a7cc | 382 | return; |
1da177e4 | 383 | } |
dee0a7cc AC |
384 | for (i = 0; i < purb->actual_length; i++) { |
385 | sprintf(dbg_data +3*i, "%02X ", data[i]); | |
1da177e4 | 386 | } |
dee0a7cc | 387 | dbg(" <-- %s", dbg_data); |
1da177e4 LT |
388 | kfree(dbg_data); |
389 | */ | |
dee0a7cc | 390 | /* END DEBUG */ |
1da177e4 | 391 | |
6fcdcf04 | 392 | tty_insert_flip_string(tty, data, urb->actual_length); |
1da177e4 LT |
393 | tty_flip_buffer_push(tty); |
394 | } | |
4a90f09b | 395 | tty_kref_put(tty); |
dee0a7cc | 396 | /* someone sets the dev to 0 if the close method has been called */ |
1da177e4 LT |
397 | port->interrupt_in_urb->dev = port->serial->dev; |
398 | ||
6fcdcf04 | 399 | result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); |
dee0a7cc AC |
400 | dbg("%s - port %d Send read URB returns: %i", |
401 | __func__, port->number, result); | |
1da177e4 LT |
402 | } |
403 | ||
404 | ||
dee0a7cc | 405 | static void kobil_write_callback(struct urb *purb) |
1da177e4 LT |
406 | { |
407 | } | |
408 | ||
409 | ||
dee0a7cc | 410 | static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, |
1da177e4 LT |
411 | const unsigned char *buf, int count) |
412 | { | |
413 | int length = 0; | |
414 | int result = 0; | |
415 | int todo = 0; | |
dee0a7cc | 416 | struct kobil_private *priv; |
1da177e4 LT |
417 | |
418 | if (count == 0) { | |
dee0a7cc AC |
419 | dbg("%s - port %d write request of 0 bytes", |
420 | __func__, port->number); | |
1da177e4 LT |
421 | return 0; |
422 | } | |
423 | ||
424 | priv = usb_get_serial_port_data(port); | |
425 | ||
426 | if (count > (KOBIL_BUF_LENGTH - priv->filled)) { | |
441b62c1 | 427 | dbg("%s - port %d Error: write request bigger than buffer size", __func__, port->number); |
1da177e4 LT |
428 | return -ENOMEM; |
429 | } | |
430 | ||
dee0a7cc AC |
431 | /* Copy data to buffer */ |
432 | memcpy(priv->buf + priv->filled, buf, count); | |
433 | usb_serial_debug_data(debug, &port->dev, __func__, count, | |
434 | priv->buf + priv->filled); | |
1da177e4 LT |
435 | priv->filled = priv->filled + count; |
436 | ||
dee0a7cc AC |
437 | /* only send complete block. TWIN, KAAN SIM and adapter K |
438 | use the same protocol. */ | |
439 | if (((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) || | |
440 | ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4)))) { | |
441 | /* stop reading (except TWIN and KAAN SIM) */ | |
442 | if ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) | |
443 | || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID)) | |
1da177e4 LT |
444 | usb_kill_urb(port->interrupt_in_urb); |
445 | ||
446 | todo = priv->filled - priv->cur_pos; | |
447 | ||
dee0a7cc AC |
448 | while (todo > 0) { |
449 | /* max 8 byte in one urb (endpoint size) */ | |
1da177e4 | 450 | length = (todo < 8) ? todo : 8; |
dee0a7cc AC |
451 | /* copy data to transfer buffer */ |
452 | memcpy(port->write_urb->transfer_buffer, | |
453 | priv->buf + priv->cur_pos, length); | |
454 | usb_fill_int_urb(port->write_urb, | |
455 | port->serial->dev, | |
456 | usb_sndintpipe(port->serial->dev, | |
457 | priv->write_int_endpoint_address), | |
458 | port->write_urb->transfer_buffer, | |
459 | length, | |
460 | kobil_write_callback, | |
461 | port, | |
462 | 8 | |
463 | ); | |
1da177e4 LT |
464 | |
465 | priv->cur_pos = priv->cur_pos + length; | |
dee0a7cc AC |
466 | result = usb_submit_urb(port->write_urb, GFP_NOIO); |
467 | dbg("%s - port %d Send write URB returns: %i", | |
468 | __func__, port->number, result); | |
1da177e4 LT |
469 | todo = priv->filled - priv->cur_pos; |
470 | ||
dee0a7cc | 471 | if (todo > 0) |
1da177e4 | 472 | msleep(24); |
dee0a7cc | 473 | } |
1da177e4 | 474 | |
1da177e4 LT |
475 | priv->filled = 0; |
476 | priv->cur_pos = 0; | |
477 | ||
dee0a7cc AC |
478 | /* someone sets the dev to 0 if the close method |
479 | has been called */ | |
1da177e4 | 480 | port->interrupt_in_urb->dev = port->serial->dev; |
dee0a7cc AC |
481 | |
482 | /* start reading (except TWIN and KAAN SIM) */ | |
483 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
484 | priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { | |
485 | /* someone sets the dev to 0 if the close method has | |
486 | been called */ | |
1da177e4 | 487 | port->interrupt_in_urb->dev = port->serial->dev; |
dee0a7cc AC |
488 | |
489 | result = usb_submit_urb(port->interrupt_in_urb, | |
490 | GFP_NOIO); | |
491 | dbg("%s - port %d Send read URB returns: %i", | |
492 | __func__, port->number, result); | |
1da177e4 LT |
493 | } |
494 | } | |
495 | return count; | |
496 | } | |
497 | ||
498 | ||
dee0a7cc | 499 | static int kobil_write_room(struct tty_struct *tty) |
1da177e4 | 500 | { |
dee0a7cc | 501 | /* dbg("%s - port %d", __func__, port->number); */ |
95da310e | 502 | /* FIXME */ |
1da177e4 LT |
503 | return 8; |
504 | } | |
505 | ||
506 | ||
95da310e | 507 | static int kobil_tiocmget(struct tty_struct *tty, struct file *file) |
1da177e4 | 508 | { |
95da310e | 509 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 510 | struct kobil_private *priv; |
1da177e4 LT |
511 | int result; |
512 | unsigned char *transfer_buffer; | |
513 | int transfer_buffer_length = 8; | |
514 | ||
515 | priv = usb_get_serial_port_data(port); | |
dee0a7cc AC |
516 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID |
517 | || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { | |
518 | /* This device doesn't support ioctl calls */ | |
1da177e4 LT |
519 | return -EINVAL; |
520 | } | |
521 | ||
dee0a7cc | 522 | /* allocate memory for transfer buffer */ |
80b6ca48 | 523 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 524 | if (!transfer_buffer) |
1da177e4 | 525 | return -ENOMEM; |
1da177e4 | 526 | |
dee0a7cc AC |
527 | result = usb_control_msg(port->serial->dev, |
528 | usb_rcvctrlpipe(port->serial->dev, 0), | |
529 | SUSBCRequest_GetStatusLineState, | |
530 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
531 | 0, | |
532 | 0, | |
533 | transfer_buffer, | |
534 | transfer_buffer_length, | |
535 | KOBIL_TIMEOUT); | |
536 | ||
537 | dbg("%s - port %d Send get_status_line_state URB returns: %i. Statusline: %02x", | |
441b62c1 | 538 | __func__, port->number, result, transfer_buffer[0]); |
1da177e4 | 539 | |
a40d8540 AC |
540 | result = 0; |
541 | if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0) | |
542 | result = TIOCM_DSR; | |
1da177e4 | 543 | kfree(transfer_buffer); |
a40d8540 | 544 | return result; |
1da177e4 LT |
545 | } |
546 | ||
95da310e | 547 | static int kobil_tiocmset(struct tty_struct *tty, struct file *file, |
1da177e4 LT |
548 | unsigned int set, unsigned int clear) |
549 | { | |
95da310e | 550 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 551 | struct kobil_private *priv; |
1da177e4 LT |
552 | int result; |
553 | int dtr = 0; | |
554 | int rts = 0; | |
555 | unsigned char *transfer_buffer; | |
556 | int transfer_buffer_length = 8; | |
557 | ||
a40d8540 | 558 | /* FIXME: locking ? */ |
1da177e4 | 559 | priv = usb_get_serial_port_data(port); |
dee0a7cc AC |
560 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID |
561 | || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { | |
562 | /* This device doesn't support ioctl calls */ | |
1da177e4 LT |
563 | return -EINVAL; |
564 | } | |
565 | ||
dee0a7cc | 566 | /* allocate memory for transfer buffer */ |
80b6ca48 | 567 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 568 | if (!transfer_buffer) |
1da177e4 | 569 | return -ENOMEM; |
1da177e4 LT |
570 | |
571 | if (set & TIOCM_RTS) | |
572 | rts = 1; | |
573 | if (set & TIOCM_DTR) | |
574 | dtr = 1; | |
575 | if (clear & TIOCM_RTS) | |
576 | rts = 0; | |
577 | if (clear & TIOCM_DTR) | |
578 | dtr = 0; | |
579 | ||
580 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) { | |
581 | if (dtr != 0) | |
dee0a7cc AC |
582 | dbg("%s - port %d Setting DTR", |
583 | __func__, port->number); | |
1da177e4 | 584 | else |
dee0a7cc AC |
585 | dbg("%s - port %d Clearing DTR", |
586 | __func__, port->number); | |
587 | result = usb_control_msg(port->serial->dev, | |
588 | usb_rcvctrlpipe(port->serial->dev, 0), | |
589 | SUSBCRequest_SetStatusLinesOrQueues, | |
590 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
591 | ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR), | |
592 | 0, | |
593 | transfer_buffer, | |
594 | 0, | |
595 | KOBIL_TIMEOUT); | |
1da177e4 LT |
596 | } else { |
597 | if (rts != 0) | |
dee0a7cc AC |
598 | dbg("%s - port %d Setting RTS", |
599 | __func__, port->number); | |
1da177e4 | 600 | else |
dee0a7cc AC |
601 | dbg("%s - port %d Clearing RTS", |
602 | __func__, port->number); | |
603 | result = usb_control_msg(port->serial->dev, | |
604 | usb_rcvctrlpipe(port->serial->dev, 0), | |
605 | SUSBCRequest_SetStatusLinesOrQueues, | |
606 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
607 | ((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS), | |
608 | 0, | |
609 | transfer_buffer, | |
610 | 0, | |
611 | KOBIL_TIMEOUT); | |
1da177e4 | 612 | } |
dee0a7cc AC |
613 | dbg("%s - port %d Send set_status_line URB returns: %i", |
614 | __func__, port->number, result); | |
1da177e4 LT |
615 | kfree(transfer_buffer); |
616 | return (result < 0) ? result : 0; | |
617 | } | |
618 | ||
95da310e AC |
619 | static void kobil_set_termios(struct tty_struct *tty, |
620 | struct usb_serial_port *port, struct ktermios *old) | |
1da177e4 | 621 | { |
dee0a7cc | 622 | struct kobil_private *priv; |
1da177e4 LT |
623 | int result; |
624 | unsigned short urb_val = 0; | |
95da310e | 625 | int c_cflag = tty->termios->c_cflag; |
94d0f7ea | 626 | speed_t speed; |
1da177e4 LT |
627 | |
628 | priv = usb_get_serial_port_data(port); | |
dee0a7cc | 629 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
b31f658b | 630 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { |
dee0a7cc | 631 | /* This device doesn't support ioctl calls */ |
b31f658b | 632 | *tty->termios = *old; |
94d0f7ea | 633 | return; |
b31f658b | 634 | } |
1da177e4 | 635 | |
dee0a7cc AC |
636 | speed = tty_get_baud_rate(tty); |
637 | switch (speed) { | |
638 | case 1200: | |
639 | urb_val = SUSBCR_SBR_1200; | |
640 | break; | |
641 | default: | |
642 | speed = 9600; | |
643 | case 9600: | |
644 | urb_val = SUSBCR_SBR_9600; | |
645 | break; | |
94d0f7ea | 646 | } |
dee0a7cc AC |
647 | urb_val |= (c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits : |
648 | SUSBCR_SPASB_1StopBit; | |
94d0f7ea | 649 | if (c_cflag & PARENB) { |
96679f6b | 650 | if (c_cflag & PARODD) |
94d0f7ea | 651 | urb_val |= SUSBCR_SPASB_OddParity; |
96679f6b | 652 | else |
94d0f7ea | 653 | urb_val |= SUSBCR_SPASB_EvenParity; |
96679f6b | 654 | } else |
94d0f7ea | 655 | urb_val |= SUSBCR_SPASB_NoParity; |
95da310e AC |
656 | tty->termios->c_cflag &= ~CMSPAR; |
657 | tty_encode_baud_rate(tty, speed, speed); | |
1da177e4 | 658 | |
dee0a7cc AC |
659 | result = usb_control_msg(port->serial->dev, |
660 | usb_rcvctrlpipe(port->serial->dev, 0), | |
661 | SUSBCRequest_SetBaudRateParityAndStopBits, | |
662 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
663 | urb_val, | |
664 | 0, | |
96679f6b | 665 | NULL, |
dee0a7cc AC |
666 | 0, |
667 | KOBIL_TIMEOUT | |
94d0f7ea | 668 | ); |
94d0f7ea | 669 | } |
1da177e4 | 670 | |
dee0a7cc AC |
671 | static int kobil_ioctl(struct tty_struct *tty, struct file *file, |
672 | unsigned int cmd, unsigned long arg) | |
94d0f7ea | 673 | { |
95da310e | 674 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 675 | struct kobil_private *priv = usb_get_serial_port_data(port); |
94d0f7ea AC |
676 | unsigned char *transfer_buffer; |
677 | int transfer_buffer_length = 8; | |
678 | int result; | |
679 | ||
dee0a7cc AC |
680 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
681 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) | |
682 | /* This device doesn't support ioctl calls */ | |
b31f658b | 683 | return -ENOIOCTLCMD; |
1da177e4 | 684 | |
94d0f7ea | 685 | switch (cmd) { |
95da310e | 686 | case TCFLSH: |
5cbded58 | 687 | transfer_buffer = kmalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc AC |
688 | if (!transfer_buffer) |
689 | return -ENOBUFS; | |
690 | ||
691 | result = usb_control_msg(port->serial->dev, | |
692 | usb_rcvctrlpipe(port->serial->dev, 0), | |
693 | SUSBCRequest_Misc, | |
694 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
695 | SUSBCR_MSC_ResetAllQueues, | |
696 | 0, | |
697 | NULL, /* transfer_buffer, */ | |
698 | 0, | |
699 | KOBIL_TIMEOUT | |
1da177e4 | 700 | ); |
dee0a7cc | 701 | |
441b62c1 | 702 | dbg("%s - port %d Send reset_all_queues (FLUSH) URB returns: %i", __func__, port->number, result); |
1da177e4 | 703 | kfree(transfer_buffer); |
95da310e | 704 | return (result < 0) ? -EIO: 0; |
94d0f7ea AC |
705 | default: |
706 | return -ENOIOCTLCMD; | |
1da177e4 | 707 | } |
1da177e4 LT |
708 | } |
709 | ||
dee0a7cc | 710 | static int __init kobil_init(void) |
1da177e4 LT |
711 | { |
712 | int retval; | |
713 | retval = usb_serial_register(&kobil_device); | |
714 | if (retval) | |
715 | goto failed_usb_serial_register; | |
716 | retval = usb_register(&kobil_driver); | |
dee0a7cc | 717 | if (retval) |
1da177e4 LT |
718 | goto failed_usb_register; |
719 | ||
c197a8db GKH |
720 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" |
721 | DRIVER_DESC "\n"); | |
1da177e4 LT |
722 | |
723 | return 0; | |
724 | failed_usb_register: | |
725 | usb_serial_deregister(&kobil_device); | |
726 | failed_usb_serial_register: | |
727 | return retval; | |
728 | } | |
729 | ||
730 | ||
dee0a7cc | 731 | static void __exit kobil_exit(void) |
1da177e4 | 732 | { |
dee0a7cc AC |
733 | usb_deregister(&kobil_driver); |
734 | usb_serial_deregister(&kobil_device); | |
1da177e4 LT |
735 | } |
736 | ||
737 | module_init(kobil_init); | |
738 | module_exit(kobil_exit); | |
739 | ||
dee0a7cc AC |
740 | MODULE_AUTHOR(DRIVER_AUTHOR); |
741 | MODULE_DESCRIPTION(DRIVER_DESC); | |
742 | MODULE_LICENSE("GPL"); | |
1da177e4 LT |
743 | |
744 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
745 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |