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) | |
1da177e4 LT |
23 | */ |
24 | ||
25 | ||
1da177e4 LT |
26 | #include <linux/kernel.h> |
27 | #include <linux/errno.h> | |
28 | #include <linux/init.h> | |
29 | #include <linux/slab.h> | |
30 | #include <linux/tty.h> | |
31 | #include <linux/tty_driver.h> | |
32 | #include <linux/tty_flip.h> | |
33 | #include <linux/module.h> | |
34 | #include <linux/spinlock.h> | |
dee0a7cc | 35 | #include <linux/uaccess.h> |
1da177e4 | 36 | #include <linux/usb.h> |
a969888c | 37 | #include <linux/usb/serial.h> |
1da177e4 | 38 | #include <linux/ioctl.h> |
1da177e4 LT |
39 | #include "kobil_sct.h" |
40 | ||
3297f86a | 41 | static bool debug; |
1da177e4 LT |
42 | |
43 | /* Version Information */ | |
44 | #define DRIVER_VERSION "21/05/2004" | |
45 | #define DRIVER_AUTHOR "KOBIL Systems GmbH - http://www.kobil.com" | |
46 | #define DRIVER_DESC "KOBIL USB Smart Card Terminal Driver (experimental)" | |
47 | ||
48 | #define KOBIL_VENDOR_ID 0x0D46 | |
49 | #define KOBIL_ADAPTER_B_PRODUCT_ID 0x2011 | |
50 | #define KOBIL_ADAPTER_K_PRODUCT_ID 0x2012 | |
51 | #define KOBIL_USBTWIN_PRODUCT_ID 0x0078 | |
52 | #define KOBIL_KAAN_SIM_PRODUCT_ID 0x0081 | |
53 | ||
54 | #define KOBIL_TIMEOUT 500 | |
55 | #define KOBIL_BUF_LENGTH 300 | |
56 | ||
57 | ||
58 | /* Function prototypes */ | |
dee0a7cc | 59 | static int kobil_startup(struct usb_serial *serial); |
f9c99bb8 | 60 | static void kobil_release(struct usb_serial *serial); |
a509a7e4 | 61 | static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port); |
335f8514 | 62 | static void kobil_close(struct usb_serial_port *port); |
dee0a7cc | 63 | static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, |
1da177e4 | 64 | const unsigned char *buf, int count); |
95da310e | 65 | static int kobil_write_room(struct tty_struct *tty); |
00a0d0d6 | 66 | static int kobil_ioctl(struct tty_struct *tty, |
1da177e4 | 67 | unsigned int cmd, unsigned long arg); |
60b33c13 | 68 | static int kobil_tiocmget(struct tty_struct *tty); |
20b9d177 | 69 | static int kobil_tiocmset(struct tty_struct *tty, |
1da177e4 | 70 | unsigned int set, unsigned int clear); |
dee0a7cc AC |
71 | static void kobil_read_int_callback(struct urb *urb); |
72 | static void kobil_write_callback(struct urb *purb); | |
73 | static void kobil_set_termios(struct tty_struct *tty, | |
95da310e | 74 | struct usb_serial_port *port, struct ktermios *old); |
fe1ae7fd | 75 | static void kobil_init_termios(struct tty_struct *tty); |
1da177e4 | 76 | |
7d40d7e8 | 77 | static const struct usb_device_id id_table[] = { |
1da177e4 LT |
78 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_B_PRODUCT_ID) }, |
79 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_K_PRODUCT_ID) }, | |
80 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_USBTWIN_PRODUCT_ID) }, | |
81 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_KAAN_SIM_PRODUCT_ID) }, | |
82 | { } /* Terminating entry */ | |
83 | }; | |
84 | ||
85 | ||
dee0a7cc | 86 | MODULE_DEVICE_TABLE(usb, id_table); |
1da177e4 LT |
87 | |
88 | static struct usb_driver kobil_driver = { | |
1da177e4 LT |
89 | .name = "kobil", |
90 | .probe = usb_serial_probe, | |
91 | .disconnect = usb_serial_disconnect, | |
92 | .id_table = id_table, | |
ba9dc657 | 93 | .no_dynamic_id = 1, |
1da177e4 LT |
94 | }; |
95 | ||
96 | ||
ea65370d | 97 | static struct usb_serial_driver kobil_device = { |
18fcac35 GKH |
98 | .driver = { |
99 | .owner = THIS_MODULE, | |
269bda1c | 100 | .name = "kobil", |
18fcac35 | 101 | }, |
269bda1c | 102 | .description = "KOBIL USB smart card terminal", |
d9b1b787 | 103 | .usb_driver = &kobil_driver, |
1da177e4 | 104 | .id_table = id_table, |
1da177e4 LT |
105 | .num_ports = 1, |
106 | .attach = kobil_startup, | |
f9c99bb8 | 107 | .release = kobil_release, |
1da177e4 | 108 | .ioctl = kobil_ioctl, |
94d0f7ea | 109 | .set_termios = kobil_set_termios, |
fe1ae7fd | 110 | .init_termios = kobil_init_termios, |
1da177e4 LT |
111 | .tiocmget = kobil_tiocmget, |
112 | .tiocmset = kobil_tiocmset, | |
113 | .open = kobil_open, | |
114 | .close = kobil_close, | |
115 | .write = kobil_write, | |
116 | .write_room = kobil_write_room, | |
117 | .read_int_callback = kobil_read_int_callback, | |
118 | }; | |
119 | ||
120 | ||
121 | struct kobil_private { | |
122 | int write_int_endpoint_address; | |
123 | int read_int_endpoint_address; | |
dee0a7cc AC |
124 | unsigned char buf[KOBIL_BUF_LENGTH]; /* buffer for the APDU to send */ |
125 | int filled; /* index of the last char in buf */ | |
126 | int cur_pos; /* index of the next char to send in buf */ | |
1da177e4 | 127 | __u16 device_type; |
1da177e4 LT |
128 | }; |
129 | ||
130 | ||
dee0a7cc | 131 | static int kobil_startup(struct usb_serial *serial) |
1da177e4 LT |
132 | { |
133 | int i; | |
134 | struct kobil_private *priv; | |
135 | struct usb_device *pdev; | |
136 | struct usb_host_config *actconfig; | |
137 | struct usb_interface *interface; | |
138 | struct usb_host_interface *altsetting; | |
139 | struct usb_host_endpoint *endpoint; | |
140 | ||
141 | priv = kmalloc(sizeof(struct kobil_private), GFP_KERNEL); | |
dee0a7cc | 142 | if (!priv) |
1da177e4 | 143 | return -ENOMEM; |
1da177e4 LT |
144 | |
145 | priv->filled = 0; | |
146 | priv->cur_pos = 0; | |
147 | priv->device_type = le16_to_cpu(serial->dev->descriptor.idProduct); | |
1da177e4 | 148 | |
dee0a7cc | 149 | switch (priv->device_type) { |
1da177e4 LT |
150 | case KOBIL_ADAPTER_B_PRODUCT_ID: |
151 | printk(KERN_DEBUG "KOBIL B1 PRO / KAAN PRO detected\n"); | |
152 | break; | |
153 | case KOBIL_ADAPTER_K_PRODUCT_ID: | |
dee0a7cc AC |
154 | printk(KERN_DEBUG |
155 | "KOBIL KAAN Standard Plus / SecOVID Reader Plus detected\n"); | |
1da177e4 LT |
156 | break; |
157 | case KOBIL_USBTWIN_PRODUCT_ID: | |
158 | printk(KERN_DEBUG "KOBIL USBTWIN detected\n"); | |
159 | break; | |
160 | case KOBIL_KAAN_SIM_PRODUCT_ID: | |
161 | printk(KERN_DEBUG "KOBIL KAAN SIM detected\n"); | |
162 | break; | |
163 | } | |
164 | usb_set_serial_port_data(serial->port[0], priv); | |
165 | ||
dee0a7cc | 166 | /* search for the necessary endpoints */ |
1da177e4 | 167 | pdev = serial->dev; |
dee0a7cc AC |
168 | actconfig = pdev->actconfig; |
169 | interface = actconfig->interface[0]; | |
1da177e4 | 170 | altsetting = interface->cur_altsetting; |
dee0a7cc AC |
171 | endpoint = altsetting->endpoint; |
172 | ||
173 | for (i = 0; i < altsetting->desc.bNumEndpoints; i++) { | |
1da177e4 | 174 | endpoint = &altsetting->endpoint[i]; |
4f1f1ddd | 175 | if (usb_endpoint_is_int_out(&endpoint->desc)) { |
dee0a7cc AC |
176 | dbg("%s Found interrupt out endpoint. Address: %d", |
177 | __func__, endpoint->desc.bEndpointAddress); | |
178 | priv->write_int_endpoint_address = | |
179 | endpoint->desc.bEndpointAddress; | |
180 | } | |
4f1f1ddd | 181 | if (usb_endpoint_is_int_in(&endpoint->desc)) { |
dee0a7cc AC |
182 | dbg("%s Found interrupt in endpoint. Address: %d", |
183 | __func__, endpoint->desc.bEndpointAddress); | |
184 | priv->read_int_endpoint_address = | |
185 | endpoint->desc.bEndpointAddress; | |
186 | } | |
1da177e4 LT |
187 | } |
188 | return 0; | |
189 | } | |
190 | ||
191 | ||
f9c99bb8 | 192 | static void kobil_release(struct usb_serial *serial) |
1da177e4 LT |
193 | { |
194 | int i; | |
441b62c1 | 195 | dbg("%s - port %d", __func__, serial->port[0]->number); |
1da177e4 | 196 | |
f9c99bb8 | 197 | for (i = 0; i < serial->num_ports; ++i) |
1da177e4 | 198 | kfree(usb_get_serial_port_data(serial->port[i])); |
1da177e4 LT |
199 | } |
200 | ||
fe1ae7fd AC |
201 | static void kobil_init_termios(struct tty_struct *tty) |
202 | { | |
203 | /* Default to echo off and other sane device settings */ | |
204 | tty->termios->c_lflag = 0; | |
205 | tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE); | |
206 | tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF; | |
207 | /* do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D) */ | |
208 | tty->termios->c_oflag &= ~ONLCR; | |
209 | } | |
1da177e4 | 210 | |
a509a7e4 | 211 | static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port) |
1da177e4 | 212 | { |
94d0f7ea | 213 | int result = 0; |
1da177e4 LT |
214 | struct kobil_private *priv; |
215 | unsigned char *transfer_buffer; | |
216 | int transfer_buffer_length = 8; | |
217 | int write_urb_transfer_buffer_length = 8; | |
218 | ||
441b62c1 | 219 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 220 | priv = usb_get_serial_port_data(port); |
1da177e4 | 221 | |
dee0a7cc | 222 | /* allocate memory for transfer buffer */ |
80b6ca48 | 223 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 224 | if (!transfer_buffer) |
1da177e4 | 225 | return -ENOMEM; |
dee0a7cc AC |
226 | |
227 | /* allocate write_urb */ | |
228 | if (!port->write_urb) { | |
229 | dbg("%s - port %d Allocating port->write_urb", | |
230 | __func__, port->number); | |
231 | port->write_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1da177e4 | 232 | if (!port->write_urb) { |
dee0a7cc AC |
233 | dbg("%s - port %d usb_alloc_urb failed", |
234 | __func__, port->number); | |
1da177e4 LT |
235 | kfree(transfer_buffer); |
236 | return -ENOMEM; | |
237 | } | |
238 | } | |
239 | ||
dee0a7cc AC |
240 | /* allocate memory for write_urb transfer buffer */ |
241 | port->write_urb->transfer_buffer = | |
242 | kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL); | |
243 | if (!port->write_urb->transfer_buffer) { | |
1da177e4 LT |
244 | kfree(transfer_buffer); |
245 | usb_free_urb(port->write_urb); | |
246 | port->write_urb = NULL; | |
247 | return -ENOMEM; | |
dee0a7cc AC |
248 | } |
249 | ||
250 | /* get hardware version */ | |
251 | result = usb_control_msg(port->serial->dev, | |
252 | usb_rcvctrlpipe(port->serial->dev, 0), | |
253 | SUSBCRequest_GetMisc, | |
254 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
255 | SUSBCR_MSC_GetHWVersion, | |
256 | 0, | |
257 | transfer_buffer, | |
258 | transfer_buffer_length, | |
259 | KOBIL_TIMEOUT | |
260 | ); | |
261 | dbg("%s - port %d Send get_HW_version URB returns: %i", | |
262 | __func__, port->number, result); | |
263 | dbg("Harware version: %i.%i.%i", | |
264 | transfer_buffer[0], transfer_buffer[1], transfer_buffer[2]); | |
265 | ||
266 | /* get firmware version */ | |
267 | result = usb_control_msg(port->serial->dev, | |
268 | usb_rcvctrlpipe(port->serial->dev, 0), | |
269 | SUSBCRequest_GetMisc, | |
270 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
271 | SUSBCR_MSC_GetFWVersion, | |
272 | 0, | |
273 | transfer_buffer, | |
274 | transfer_buffer_length, | |
275 | KOBIL_TIMEOUT | |
276 | ); | |
277 | dbg("%s - port %d Send get_FW_version URB returns: %i", | |
278 | __func__, port->number, result); | |
279 | dbg("Firmware version: %i.%i.%i", | |
280 | transfer_buffer[0], transfer_buffer[1], transfer_buffer[2]); | |
281 | ||
282 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
283 | priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { | |
284 | /* Setting Baudrate, Parity and Stopbits */ | |
285 | result = usb_control_msg(port->serial->dev, | |
286 | usb_rcvctrlpipe(port->serial->dev, 0), | |
287 | SUSBCRequest_SetBaudRateParityAndStopBits, | |
288 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
289 | SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity | | |
290 | SUSBCR_SPASB_1StopBit, | |
291 | 0, | |
292 | transfer_buffer, | |
293 | 0, | |
294 | KOBIL_TIMEOUT | |
1da177e4 | 295 | ); |
dee0a7cc AC |
296 | dbg("%s - port %d Send set_baudrate URB returns: %i", |
297 | __func__, port->number, result); | |
298 | ||
299 | /* reset all queues */ | |
300 | result = usb_control_msg(port->serial->dev, | |
301 | usb_rcvctrlpipe(port->serial->dev, 0), | |
302 | SUSBCRequest_Misc, | |
303 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
304 | SUSBCR_MSC_ResetAllQueues, | |
305 | 0, | |
306 | transfer_buffer, | |
307 | 0, | |
308 | KOBIL_TIMEOUT | |
1da177e4 | 309 | ); |
dee0a7cc AC |
310 | dbg("%s - port %d Send reset_all_queues URB returns: %i", |
311 | __func__, port->number, result); | |
1da177e4 | 312 | } |
dee0a7cc AC |
313 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
314 | priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
1da177e4 | 315 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { |
dee0a7cc AC |
316 | /* start reading (Adapter B 'cause PNP string) */ |
317 | result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); | |
318 | dbg("%s - port %d Send read URB returns: %i", | |
319 | __func__, port->number, result); | |
1da177e4 LT |
320 | } |
321 | ||
322 | kfree(transfer_buffer); | |
323 | return 0; | |
324 | } | |
325 | ||
326 | ||
335f8514 | 327 | static void kobil_close(struct usb_serial_port *port) |
1da177e4 | 328 | { |
441b62c1 | 329 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 330 | |
335f8514 | 331 | /* FIXME: Add rts/dtr methods */ |
1da177e4 | 332 | if (port->write_urb) { |
c0f631d1 JH |
333 | usb_poison_urb(port->write_urb); |
334 | kfree(port->write_urb->transfer_buffer); | |
dee0a7cc | 335 | usb_free_urb(port->write_urb); |
1da177e4 LT |
336 | port->write_urb = NULL; |
337 | } | |
5505c226 | 338 | usb_kill_urb(port->interrupt_in_urb); |
1da177e4 LT |
339 | } |
340 | ||
341 | ||
6fcdcf04 | 342 | static void kobil_read_int_callback(struct urb *urb) |
1da177e4 | 343 | { |
1da177e4 | 344 | int result; |
6fcdcf04 | 345 | struct usb_serial_port *port = urb->context; |
1da177e4 | 346 | struct tty_struct *tty; |
6fcdcf04 GKH |
347 | unsigned char *data = urb->transfer_buffer; |
348 | int status = urb->status; | |
dee0a7cc | 349 | /* char *dbg_data; */ |
1da177e4 | 350 | |
441b62c1 | 351 | dbg("%s - port %d", __func__, port->number); |
1da177e4 | 352 | |
6fcdcf04 GKH |
353 | if (status) { |
354 | dbg("%s - port %d Read int status not zero: %d", | |
441b62c1 | 355 | __func__, port->number, status); |
1da177e4 LT |
356 | return; |
357 | } | |
6fcdcf04 | 358 | |
4a90f09b | 359 | tty = tty_port_tty_get(&port->port); |
6960f40a | 360 | if (tty && urb->actual_length) { |
6fcdcf04 | 361 | |
dee0a7cc | 362 | /* BEGIN DEBUG */ |
1da177e4 | 363 | /* |
dee0a7cc AC |
364 | dbg_data = kzalloc((3 * purb->actual_length + 10) |
365 | * sizeof(char), GFP_KERNEL); | |
1da177e4 | 366 | if (! dbg_data) { |
dee0a7cc | 367 | return; |
1da177e4 | 368 | } |
dee0a7cc AC |
369 | for (i = 0; i < purb->actual_length; i++) { |
370 | sprintf(dbg_data +3*i, "%02X ", data[i]); | |
1da177e4 | 371 | } |
dee0a7cc | 372 | dbg(" <-- %s", dbg_data); |
1da177e4 LT |
373 | kfree(dbg_data); |
374 | */ | |
dee0a7cc | 375 | /* END DEBUG */ |
1da177e4 | 376 | |
6fcdcf04 | 377 | tty_insert_flip_string(tty, data, urb->actual_length); |
1da177e4 LT |
378 | tty_flip_buffer_push(tty); |
379 | } | |
4a90f09b | 380 | tty_kref_put(tty); |
1da177e4 | 381 | |
6fcdcf04 | 382 | result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); |
dee0a7cc AC |
383 | dbg("%s - port %d Send read URB returns: %i", |
384 | __func__, port->number, result); | |
1da177e4 LT |
385 | } |
386 | ||
387 | ||
dee0a7cc | 388 | static void kobil_write_callback(struct urb *purb) |
1da177e4 LT |
389 | { |
390 | } | |
391 | ||
392 | ||
dee0a7cc | 393 | static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, |
1da177e4 LT |
394 | const unsigned char *buf, int count) |
395 | { | |
396 | int length = 0; | |
397 | int result = 0; | |
398 | int todo = 0; | |
dee0a7cc | 399 | struct kobil_private *priv; |
1da177e4 LT |
400 | |
401 | if (count == 0) { | |
dee0a7cc AC |
402 | dbg("%s - port %d write request of 0 bytes", |
403 | __func__, port->number); | |
1da177e4 LT |
404 | return 0; |
405 | } | |
406 | ||
407 | priv = usb_get_serial_port_data(port); | |
408 | ||
409 | if (count > (KOBIL_BUF_LENGTH - priv->filled)) { | |
441b62c1 | 410 | dbg("%s - port %d Error: write request bigger than buffer size", __func__, port->number); |
1da177e4 LT |
411 | return -ENOMEM; |
412 | } | |
413 | ||
dee0a7cc AC |
414 | /* Copy data to buffer */ |
415 | memcpy(priv->buf + priv->filled, buf, count); | |
416 | usb_serial_debug_data(debug, &port->dev, __func__, count, | |
417 | priv->buf + priv->filled); | |
1da177e4 LT |
418 | priv->filled = priv->filled + count; |
419 | ||
dee0a7cc AC |
420 | /* only send complete block. TWIN, KAAN SIM and adapter K |
421 | use the same protocol. */ | |
422 | if (((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) || | |
423 | ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4)))) { | |
424 | /* stop reading (except TWIN and KAAN SIM) */ | |
425 | if ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) | |
426 | || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID)) | |
1da177e4 LT |
427 | usb_kill_urb(port->interrupt_in_urb); |
428 | ||
429 | todo = priv->filled - priv->cur_pos; | |
430 | ||
dee0a7cc AC |
431 | while (todo > 0) { |
432 | /* max 8 byte in one urb (endpoint size) */ | |
1da177e4 | 433 | length = (todo < 8) ? todo : 8; |
dee0a7cc AC |
434 | /* copy data to transfer buffer */ |
435 | memcpy(port->write_urb->transfer_buffer, | |
436 | priv->buf + priv->cur_pos, length); | |
437 | usb_fill_int_urb(port->write_urb, | |
438 | port->serial->dev, | |
439 | usb_sndintpipe(port->serial->dev, | |
440 | priv->write_int_endpoint_address), | |
441 | port->write_urb->transfer_buffer, | |
442 | length, | |
443 | kobil_write_callback, | |
444 | port, | |
445 | 8 | |
446 | ); | |
1da177e4 LT |
447 | |
448 | priv->cur_pos = priv->cur_pos + length; | |
dee0a7cc AC |
449 | result = usb_submit_urb(port->write_urb, GFP_NOIO); |
450 | dbg("%s - port %d Send write URB returns: %i", | |
451 | __func__, port->number, result); | |
1da177e4 LT |
452 | todo = priv->filled - priv->cur_pos; |
453 | ||
dee0a7cc | 454 | if (todo > 0) |
1da177e4 | 455 | msleep(24); |
dee0a7cc | 456 | } |
1da177e4 | 457 | |
1da177e4 LT |
458 | priv->filled = 0; |
459 | priv->cur_pos = 0; | |
460 | ||
dee0a7cc AC |
461 | /* start reading (except TWIN and KAAN SIM) */ |
462 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
463 | priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { | |
dee0a7cc AC |
464 | result = usb_submit_urb(port->interrupt_in_urb, |
465 | GFP_NOIO); | |
466 | dbg("%s - port %d Send read URB returns: %i", | |
467 | __func__, port->number, result); | |
1da177e4 LT |
468 | } |
469 | } | |
470 | return count; | |
471 | } | |
472 | ||
473 | ||
dee0a7cc | 474 | static int kobil_write_room(struct tty_struct *tty) |
1da177e4 | 475 | { |
dee0a7cc | 476 | /* dbg("%s - port %d", __func__, port->number); */ |
95da310e | 477 | /* FIXME */ |
1da177e4 LT |
478 | return 8; |
479 | } | |
480 | ||
481 | ||
60b33c13 | 482 | static int kobil_tiocmget(struct tty_struct *tty) |
1da177e4 | 483 | { |
95da310e | 484 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 485 | struct kobil_private *priv; |
1da177e4 LT |
486 | int result; |
487 | unsigned char *transfer_buffer; | |
488 | int transfer_buffer_length = 8; | |
489 | ||
490 | priv = usb_get_serial_port_data(port); | |
dee0a7cc AC |
491 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID |
492 | || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { | |
493 | /* This device doesn't support ioctl calls */ | |
1da177e4 LT |
494 | return -EINVAL; |
495 | } | |
496 | ||
dee0a7cc | 497 | /* allocate memory for transfer buffer */ |
80b6ca48 | 498 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 499 | if (!transfer_buffer) |
1da177e4 | 500 | return -ENOMEM; |
1da177e4 | 501 | |
dee0a7cc AC |
502 | result = usb_control_msg(port->serial->dev, |
503 | usb_rcvctrlpipe(port->serial->dev, 0), | |
504 | SUSBCRequest_GetStatusLineState, | |
505 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
506 | 0, | |
507 | 0, | |
508 | transfer_buffer, | |
509 | transfer_buffer_length, | |
510 | KOBIL_TIMEOUT); | |
511 | ||
512 | dbg("%s - port %d Send get_status_line_state URB returns: %i. Statusline: %02x", | |
441b62c1 | 513 | __func__, port->number, result, transfer_buffer[0]); |
1da177e4 | 514 | |
a40d8540 AC |
515 | result = 0; |
516 | if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0) | |
517 | result = TIOCM_DSR; | |
1da177e4 | 518 | kfree(transfer_buffer); |
a40d8540 | 519 | return result; |
1da177e4 LT |
520 | } |
521 | ||
20b9d177 | 522 | static int kobil_tiocmset(struct tty_struct *tty, |
1da177e4 LT |
523 | unsigned int set, unsigned int clear) |
524 | { | |
95da310e | 525 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 526 | struct kobil_private *priv; |
1da177e4 LT |
527 | int result; |
528 | int dtr = 0; | |
529 | int rts = 0; | |
530 | unsigned char *transfer_buffer; | |
531 | int transfer_buffer_length = 8; | |
532 | ||
a40d8540 | 533 | /* FIXME: locking ? */ |
1da177e4 | 534 | priv = usb_get_serial_port_data(port); |
dee0a7cc AC |
535 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID |
536 | || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { | |
537 | /* This device doesn't support ioctl calls */ | |
1da177e4 LT |
538 | return -EINVAL; |
539 | } | |
540 | ||
dee0a7cc | 541 | /* allocate memory for transfer buffer */ |
80b6ca48 | 542 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 543 | if (!transfer_buffer) |
1da177e4 | 544 | return -ENOMEM; |
1da177e4 LT |
545 | |
546 | if (set & TIOCM_RTS) | |
547 | rts = 1; | |
548 | if (set & TIOCM_DTR) | |
549 | dtr = 1; | |
550 | if (clear & TIOCM_RTS) | |
551 | rts = 0; | |
552 | if (clear & TIOCM_DTR) | |
553 | dtr = 0; | |
554 | ||
555 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) { | |
556 | if (dtr != 0) | |
dee0a7cc AC |
557 | dbg("%s - port %d Setting DTR", |
558 | __func__, port->number); | |
1da177e4 | 559 | else |
dee0a7cc AC |
560 | dbg("%s - port %d Clearing DTR", |
561 | __func__, port->number); | |
562 | result = usb_control_msg(port->serial->dev, | |
563 | usb_rcvctrlpipe(port->serial->dev, 0), | |
564 | SUSBCRequest_SetStatusLinesOrQueues, | |
565 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
566 | ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR), | |
567 | 0, | |
568 | transfer_buffer, | |
569 | 0, | |
570 | KOBIL_TIMEOUT); | |
1da177e4 LT |
571 | } else { |
572 | if (rts != 0) | |
dee0a7cc AC |
573 | dbg("%s - port %d Setting RTS", |
574 | __func__, port->number); | |
1da177e4 | 575 | else |
dee0a7cc AC |
576 | dbg("%s - port %d Clearing RTS", |
577 | __func__, port->number); | |
578 | result = usb_control_msg(port->serial->dev, | |
579 | usb_rcvctrlpipe(port->serial->dev, 0), | |
580 | SUSBCRequest_SetStatusLinesOrQueues, | |
581 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
582 | ((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS), | |
583 | 0, | |
584 | transfer_buffer, | |
585 | 0, | |
586 | KOBIL_TIMEOUT); | |
1da177e4 | 587 | } |
dee0a7cc AC |
588 | dbg("%s - port %d Send set_status_line URB returns: %i", |
589 | __func__, port->number, result); | |
1da177e4 LT |
590 | kfree(transfer_buffer); |
591 | return (result < 0) ? result : 0; | |
592 | } | |
593 | ||
95da310e AC |
594 | static void kobil_set_termios(struct tty_struct *tty, |
595 | struct usb_serial_port *port, struct ktermios *old) | |
1da177e4 | 596 | { |
dee0a7cc | 597 | struct kobil_private *priv; |
1da177e4 LT |
598 | int result; |
599 | unsigned short urb_val = 0; | |
95da310e | 600 | int c_cflag = tty->termios->c_cflag; |
94d0f7ea | 601 | speed_t speed; |
1da177e4 LT |
602 | |
603 | priv = usb_get_serial_port_data(port); | |
dee0a7cc | 604 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
b31f658b | 605 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { |
dee0a7cc | 606 | /* This device doesn't support ioctl calls */ |
b31f658b | 607 | *tty->termios = *old; |
94d0f7ea | 608 | return; |
b31f658b | 609 | } |
1da177e4 | 610 | |
dee0a7cc AC |
611 | speed = tty_get_baud_rate(tty); |
612 | switch (speed) { | |
613 | case 1200: | |
614 | urb_val = SUSBCR_SBR_1200; | |
615 | break; | |
616 | default: | |
617 | speed = 9600; | |
618 | case 9600: | |
619 | urb_val = SUSBCR_SBR_9600; | |
620 | break; | |
94d0f7ea | 621 | } |
dee0a7cc AC |
622 | urb_val |= (c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits : |
623 | SUSBCR_SPASB_1StopBit; | |
94d0f7ea | 624 | if (c_cflag & PARENB) { |
96679f6b | 625 | if (c_cflag & PARODD) |
94d0f7ea | 626 | urb_val |= SUSBCR_SPASB_OddParity; |
96679f6b | 627 | else |
94d0f7ea | 628 | urb_val |= SUSBCR_SPASB_EvenParity; |
96679f6b | 629 | } else |
94d0f7ea | 630 | urb_val |= SUSBCR_SPASB_NoParity; |
95da310e AC |
631 | tty->termios->c_cflag &= ~CMSPAR; |
632 | tty_encode_baud_rate(tty, speed, speed); | |
1da177e4 | 633 | |
dee0a7cc AC |
634 | result = usb_control_msg(port->serial->dev, |
635 | usb_rcvctrlpipe(port->serial->dev, 0), | |
636 | SUSBCRequest_SetBaudRateParityAndStopBits, | |
637 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
638 | urb_val, | |
639 | 0, | |
96679f6b | 640 | NULL, |
dee0a7cc AC |
641 | 0, |
642 | KOBIL_TIMEOUT | |
94d0f7ea | 643 | ); |
94d0f7ea | 644 | } |
1da177e4 | 645 | |
00a0d0d6 | 646 | static int kobil_ioctl(struct tty_struct *tty, |
dee0a7cc | 647 | unsigned int cmd, unsigned long arg) |
94d0f7ea | 648 | { |
95da310e | 649 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 650 | struct kobil_private *priv = usb_get_serial_port_data(port); |
94d0f7ea AC |
651 | unsigned char *transfer_buffer; |
652 | int transfer_buffer_length = 8; | |
653 | int result; | |
654 | ||
dee0a7cc AC |
655 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
656 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) | |
657 | /* This device doesn't support ioctl calls */ | |
b31f658b | 658 | return -ENOIOCTLCMD; |
1da177e4 | 659 | |
94d0f7ea | 660 | switch (cmd) { |
95da310e | 661 | case TCFLSH: |
5cbded58 | 662 | transfer_buffer = kmalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc AC |
663 | if (!transfer_buffer) |
664 | return -ENOBUFS; | |
665 | ||
666 | result = usb_control_msg(port->serial->dev, | |
667 | usb_rcvctrlpipe(port->serial->dev, 0), | |
668 | SUSBCRequest_Misc, | |
669 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
670 | SUSBCR_MSC_ResetAllQueues, | |
671 | 0, | |
672 | NULL, /* transfer_buffer, */ | |
673 | 0, | |
674 | KOBIL_TIMEOUT | |
1da177e4 | 675 | ); |
dee0a7cc | 676 | |
441b62c1 | 677 | dbg("%s - port %d Send reset_all_queues (FLUSH) URB returns: %i", __func__, port->number, result); |
1da177e4 | 678 | kfree(transfer_buffer); |
95da310e | 679 | return (result < 0) ? -EIO: 0; |
94d0f7ea AC |
680 | default: |
681 | return -ENOIOCTLCMD; | |
1da177e4 | 682 | } |
1da177e4 LT |
683 | } |
684 | ||
dee0a7cc | 685 | static int __init kobil_init(void) |
1da177e4 LT |
686 | { |
687 | int retval; | |
688 | retval = usb_serial_register(&kobil_device); | |
689 | if (retval) | |
690 | goto failed_usb_serial_register; | |
691 | retval = usb_register(&kobil_driver); | |
dee0a7cc | 692 | if (retval) |
1da177e4 LT |
693 | goto failed_usb_register; |
694 | ||
c197a8db GKH |
695 | printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" |
696 | DRIVER_DESC "\n"); | |
1da177e4 LT |
697 | |
698 | return 0; | |
699 | failed_usb_register: | |
700 | usb_serial_deregister(&kobil_device); | |
701 | failed_usb_serial_register: | |
702 | return retval; | |
703 | } | |
704 | ||
705 | ||
dee0a7cc | 706 | static void __exit kobil_exit(void) |
1da177e4 | 707 | { |
dee0a7cc AC |
708 | usb_deregister(&kobil_driver); |
709 | usb_serial_deregister(&kobil_device); | |
1da177e4 LT |
710 | } |
711 | ||
712 | module_init(kobil_init); | |
713 | module_exit(kobil_exit); | |
714 | ||
dee0a7cc AC |
715 | MODULE_AUTHOR(DRIVER_AUTHOR); |
716 | MODULE_DESCRIPTION(DRIVER_DESC); | |
717 | MODULE_LICENSE("GPL"); | |
1da177e4 LT |
718 | |
719 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
720 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |