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 | }; | |
dee0a7cc | 84 | MODULE_DEVICE_TABLE(usb, id_table); |
1da177e4 | 85 | |
ea65370d | 86 | static struct usb_serial_driver kobil_device = { |
18fcac35 GKH |
87 | .driver = { |
88 | .owner = THIS_MODULE, | |
269bda1c | 89 | .name = "kobil", |
18fcac35 | 90 | }, |
269bda1c | 91 | .description = "KOBIL USB smart card terminal", |
1da177e4 | 92 | .id_table = id_table, |
1da177e4 LT |
93 | .num_ports = 1, |
94 | .attach = kobil_startup, | |
f9c99bb8 | 95 | .release = kobil_release, |
1da177e4 | 96 | .ioctl = kobil_ioctl, |
94d0f7ea | 97 | .set_termios = kobil_set_termios, |
fe1ae7fd | 98 | .init_termios = kobil_init_termios, |
1da177e4 LT |
99 | .tiocmget = kobil_tiocmget, |
100 | .tiocmset = kobil_tiocmset, | |
101 | .open = kobil_open, | |
102 | .close = kobil_close, | |
103 | .write = kobil_write, | |
104 | .write_room = kobil_write_room, | |
105 | .read_int_callback = kobil_read_int_callback, | |
106 | }; | |
107 | ||
4d2a7aff AS |
108 | static struct usb_serial_driver * const serial_drivers[] = { |
109 | &kobil_device, NULL | |
110 | }; | |
1da177e4 LT |
111 | |
112 | struct kobil_private { | |
113 | int write_int_endpoint_address; | |
114 | int read_int_endpoint_address; | |
dee0a7cc AC |
115 | unsigned char buf[KOBIL_BUF_LENGTH]; /* buffer for the APDU to send */ |
116 | int filled; /* index of the last char in buf */ | |
117 | int cur_pos; /* index of the next char to send in buf */ | |
1da177e4 | 118 | __u16 device_type; |
1da177e4 LT |
119 | }; |
120 | ||
121 | ||
dee0a7cc | 122 | static int kobil_startup(struct usb_serial *serial) |
1da177e4 LT |
123 | { |
124 | int i; | |
125 | struct kobil_private *priv; | |
126 | struct usb_device *pdev; | |
127 | struct usb_host_config *actconfig; | |
128 | struct usb_interface *interface; | |
129 | struct usb_host_interface *altsetting; | |
130 | struct usb_host_endpoint *endpoint; | |
131 | ||
132 | priv = kmalloc(sizeof(struct kobil_private), GFP_KERNEL); | |
dee0a7cc | 133 | if (!priv) |
1da177e4 | 134 | return -ENOMEM; |
1da177e4 LT |
135 | |
136 | priv->filled = 0; | |
137 | priv->cur_pos = 0; | |
138 | priv->device_type = le16_to_cpu(serial->dev->descriptor.idProduct); | |
1da177e4 | 139 | |
dee0a7cc | 140 | switch (priv->device_type) { |
1da177e4 LT |
141 | case KOBIL_ADAPTER_B_PRODUCT_ID: |
142 | printk(KERN_DEBUG "KOBIL B1 PRO / KAAN PRO detected\n"); | |
143 | break; | |
144 | case KOBIL_ADAPTER_K_PRODUCT_ID: | |
dee0a7cc AC |
145 | printk(KERN_DEBUG |
146 | "KOBIL KAAN Standard Plus / SecOVID Reader Plus detected\n"); | |
1da177e4 LT |
147 | break; |
148 | case KOBIL_USBTWIN_PRODUCT_ID: | |
149 | printk(KERN_DEBUG "KOBIL USBTWIN detected\n"); | |
150 | break; | |
151 | case KOBIL_KAAN_SIM_PRODUCT_ID: | |
152 | printk(KERN_DEBUG "KOBIL KAAN SIM detected\n"); | |
153 | break; | |
154 | } | |
155 | usb_set_serial_port_data(serial->port[0], priv); | |
156 | ||
dee0a7cc | 157 | /* search for the necessary endpoints */ |
1da177e4 | 158 | pdev = serial->dev; |
dee0a7cc AC |
159 | actconfig = pdev->actconfig; |
160 | interface = actconfig->interface[0]; | |
1da177e4 | 161 | altsetting = interface->cur_altsetting; |
dee0a7cc AC |
162 | endpoint = altsetting->endpoint; |
163 | ||
164 | for (i = 0; i < altsetting->desc.bNumEndpoints; i++) { | |
1da177e4 | 165 | endpoint = &altsetting->endpoint[i]; |
4f1f1ddd | 166 | if (usb_endpoint_is_int_out(&endpoint->desc)) { |
b12f7a1c GKH |
167 | dev_dbg(&serial->dev->dev, |
168 | "%s Found interrupt out endpoint. Address: %d\n", | |
dee0a7cc AC |
169 | __func__, endpoint->desc.bEndpointAddress); |
170 | priv->write_int_endpoint_address = | |
171 | endpoint->desc.bEndpointAddress; | |
172 | } | |
4f1f1ddd | 173 | if (usb_endpoint_is_int_in(&endpoint->desc)) { |
b12f7a1c GKH |
174 | dev_dbg(&serial->dev->dev, |
175 | "%s Found interrupt in endpoint. Address: %d\n", | |
dee0a7cc AC |
176 | __func__, endpoint->desc.bEndpointAddress); |
177 | priv->read_int_endpoint_address = | |
178 | endpoint->desc.bEndpointAddress; | |
179 | } | |
1da177e4 LT |
180 | } |
181 | return 0; | |
182 | } | |
183 | ||
184 | ||
f9c99bb8 | 185 | static void kobil_release(struct usb_serial *serial) |
1da177e4 LT |
186 | { |
187 | int i; | |
1da177e4 | 188 | |
f9c99bb8 | 189 | for (i = 0; i < serial->num_ports; ++i) |
1da177e4 | 190 | kfree(usb_get_serial_port_data(serial->port[i])); |
1da177e4 LT |
191 | } |
192 | ||
fe1ae7fd AC |
193 | static void kobil_init_termios(struct tty_struct *tty) |
194 | { | |
195 | /* Default to echo off and other sane device settings */ | |
196 | tty->termios->c_lflag = 0; | |
197 | tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE); | |
198 | tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF; | |
199 | /* do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D) */ | |
200 | tty->termios->c_oflag &= ~ONLCR; | |
201 | } | |
1da177e4 | 202 | |
a509a7e4 | 203 | static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port) |
1da177e4 | 204 | { |
b12f7a1c | 205 | struct device *dev = &port->dev; |
94d0f7ea | 206 | int result = 0; |
1da177e4 LT |
207 | struct kobil_private *priv; |
208 | unsigned char *transfer_buffer; | |
209 | int transfer_buffer_length = 8; | |
210 | int write_urb_transfer_buffer_length = 8; | |
211 | ||
1da177e4 | 212 | priv = usb_get_serial_port_data(port); |
1da177e4 | 213 | |
dee0a7cc | 214 | /* allocate memory for transfer buffer */ |
80b6ca48 | 215 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 216 | if (!transfer_buffer) |
1da177e4 | 217 | return -ENOMEM; |
dee0a7cc AC |
218 | |
219 | /* allocate write_urb */ | |
220 | if (!port->write_urb) { | |
b12f7a1c | 221 | dev_dbg(dev, "%s - Allocating port->write_urb\n", __func__); |
dee0a7cc | 222 | port->write_urb = usb_alloc_urb(0, GFP_KERNEL); |
1da177e4 | 223 | if (!port->write_urb) { |
b12f7a1c | 224 | dev_dbg(dev, "%s - usb_alloc_urb failed\n", __func__); |
1da177e4 LT |
225 | kfree(transfer_buffer); |
226 | return -ENOMEM; | |
227 | } | |
228 | } | |
229 | ||
dee0a7cc AC |
230 | /* allocate memory for write_urb transfer buffer */ |
231 | port->write_urb->transfer_buffer = | |
232 | kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL); | |
233 | if (!port->write_urb->transfer_buffer) { | |
1da177e4 LT |
234 | kfree(transfer_buffer); |
235 | usb_free_urb(port->write_urb); | |
236 | port->write_urb = NULL; | |
237 | return -ENOMEM; | |
dee0a7cc AC |
238 | } |
239 | ||
240 | /* get hardware version */ | |
241 | result = usb_control_msg(port->serial->dev, | |
242 | usb_rcvctrlpipe(port->serial->dev, 0), | |
243 | SUSBCRequest_GetMisc, | |
244 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
245 | SUSBCR_MSC_GetHWVersion, | |
246 | 0, | |
247 | transfer_buffer, | |
248 | transfer_buffer_length, | |
249 | KOBIL_TIMEOUT | |
250 | ); | |
b12f7a1c GKH |
251 | dev_dbg(dev, "%s - Send get_HW_version URB returns: %i\n", __func__, result); |
252 | dev_dbg(dev, "Harware version: %i.%i.%i\n", transfer_buffer[0], | |
253 | transfer_buffer[1], transfer_buffer[2]); | |
dee0a7cc AC |
254 | |
255 | /* get firmware version */ | |
256 | result = usb_control_msg(port->serial->dev, | |
257 | usb_rcvctrlpipe(port->serial->dev, 0), | |
258 | SUSBCRequest_GetMisc, | |
259 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
260 | SUSBCR_MSC_GetFWVersion, | |
261 | 0, | |
262 | transfer_buffer, | |
263 | transfer_buffer_length, | |
264 | KOBIL_TIMEOUT | |
265 | ); | |
b12f7a1c GKH |
266 | dev_dbg(dev, "%s - Send get_FW_version URB returns: %i\n", __func__, result); |
267 | dev_dbg(dev, "Firmware version: %i.%i.%i\n", transfer_buffer[0], | |
268 | transfer_buffer[1], transfer_buffer[2]); | |
dee0a7cc AC |
269 | |
270 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
271 | priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { | |
272 | /* Setting Baudrate, Parity and Stopbits */ | |
273 | result = usb_control_msg(port->serial->dev, | |
274 | usb_rcvctrlpipe(port->serial->dev, 0), | |
275 | SUSBCRequest_SetBaudRateParityAndStopBits, | |
276 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
277 | SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity | | |
278 | SUSBCR_SPASB_1StopBit, | |
279 | 0, | |
280 | transfer_buffer, | |
281 | 0, | |
282 | KOBIL_TIMEOUT | |
1da177e4 | 283 | ); |
b12f7a1c | 284 | dev_dbg(dev, "%s - Send set_baudrate URB returns: %i\n", __func__, result); |
dee0a7cc AC |
285 | |
286 | /* reset all queues */ | |
287 | result = usb_control_msg(port->serial->dev, | |
288 | usb_rcvctrlpipe(port->serial->dev, 0), | |
289 | SUSBCRequest_Misc, | |
290 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
291 | SUSBCR_MSC_ResetAllQueues, | |
292 | 0, | |
293 | transfer_buffer, | |
294 | 0, | |
295 | KOBIL_TIMEOUT | |
1da177e4 | 296 | ); |
b12f7a1c | 297 | dev_dbg(dev, "%s - Send reset_all_queues URB returns: %i\n", __func__, result); |
1da177e4 | 298 | } |
dee0a7cc AC |
299 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
300 | priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
1da177e4 | 301 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { |
dee0a7cc AC |
302 | /* start reading (Adapter B 'cause PNP string) */ |
303 | result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); | |
b12f7a1c | 304 | dev_dbg(dev, "%s - Send read URB returns: %i\n", __func__, result); |
1da177e4 LT |
305 | } |
306 | ||
307 | kfree(transfer_buffer); | |
308 | return 0; | |
309 | } | |
310 | ||
311 | ||
335f8514 | 312 | static void kobil_close(struct usb_serial_port *port) |
1da177e4 | 313 | { |
335f8514 | 314 | /* FIXME: Add rts/dtr methods */ |
1da177e4 | 315 | if (port->write_urb) { |
c0f631d1 JH |
316 | usb_poison_urb(port->write_urb); |
317 | kfree(port->write_urb->transfer_buffer); | |
dee0a7cc | 318 | usb_free_urb(port->write_urb); |
1da177e4 LT |
319 | port->write_urb = NULL; |
320 | } | |
5505c226 | 321 | usb_kill_urb(port->interrupt_in_urb); |
1da177e4 LT |
322 | } |
323 | ||
324 | ||
6fcdcf04 | 325 | static void kobil_read_int_callback(struct urb *urb) |
1da177e4 | 326 | { |
1da177e4 | 327 | int result; |
6fcdcf04 | 328 | struct usb_serial_port *port = urb->context; |
1da177e4 | 329 | struct tty_struct *tty; |
6fcdcf04 GKH |
330 | unsigned char *data = urb->transfer_buffer; |
331 | int status = urb->status; | |
1da177e4 | 332 | |
6fcdcf04 | 333 | if (status) { |
b12f7a1c | 334 | dev_dbg(&port->dev, "%s - Read int status not zero: %d\n", __func__, status); |
1da177e4 LT |
335 | return; |
336 | } | |
6fcdcf04 | 337 | |
4a90f09b | 338 | tty = tty_port_tty_get(&port->port); |
6960f40a | 339 | if (tty && urb->actual_length) { |
6fcdcf04 | 340 | |
dee0a7cc | 341 | /* BEGIN DEBUG */ |
1da177e4 | 342 | /* |
b12f7a1c GKH |
343 | char *dbg_data; |
344 | ||
dee0a7cc AC |
345 | dbg_data = kzalloc((3 * purb->actual_length + 10) |
346 | * sizeof(char), GFP_KERNEL); | |
1da177e4 | 347 | if (! dbg_data) { |
dee0a7cc | 348 | return; |
1da177e4 | 349 | } |
dee0a7cc AC |
350 | for (i = 0; i < purb->actual_length; i++) { |
351 | sprintf(dbg_data +3*i, "%02X ", data[i]); | |
1da177e4 | 352 | } |
b12f7a1c | 353 | dev_dbg(&port->dev, " <-- %s\n", dbg_data); |
1da177e4 LT |
354 | kfree(dbg_data); |
355 | */ | |
dee0a7cc | 356 | /* END DEBUG */ |
1da177e4 | 357 | |
6fcdcf04 | 358 | tty_insert_flip_string(tty, data, urb->actual_length); |
1da177e4 LT |
359 | tty_flip_buffer_push(tty); |
360 | } | |
4a90f09b | 361 | tty_kref_put(tty); |
1da177e4 | 362 | |
6fcdcf04 | 363 | result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); |
b12f7a1c | 364 | dev_dbg(&port->dev, "%s - Send read URB returns: %i\n", __func__, result); |
1da177e4 LT |
365 | } |
366 | ||
367 | ||
dee0a7cc | 368 | static void kobil_write_callback(struct urb *purb) |
1da177e4 LT |
369 | { |
370 | } | |
371 | ||
372 | ||
dee0a7cc | 373 | static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, |
1da177e4 LT |
374 | const unsigned char *buf, int count) |
375 | { | |
376 | int length = 0; | |
377 | int result = 0; | |
378 | int todo = 0; | |
dee0a7cc | 379 | struct kobil_private *priv; |
1da177e4 LT |
380 | |
381 | if (count == 0) { | |
b12f7a1c | 382 | dev_dbg(&port->dev, "%s - write request of 0 bytes\n", __func__); |
1da177e4 LT |
383 | return 0; |
384 | } | |
385 | ||
386 | priv = usb_get_serial_port_data(port); | |
387 | ||
388 | if (count > (KOBIL_BUF_LENGTH - priv->filled)) { | |
b12f7a1c | 389 | dev_dbg(&port->dev, "%s - Error: write request bigger than buffer size\n", __func__); |
1da177e4 LT |
390 | return -ENOMEM; |
391 | } | |
392 | ||
dee0a7cc AC |
393 | /* Copy data to buffer */ |
394 | memcpy(priv->buf + priv->filled, buf, count); | |
395 | usb_serial_debug_data(debug, &port->dev, __func__, count, | |
396 | priv->buf + priv->filled); | |
1da177e4 LT |
397 | priv->filled = priv->filled + count; |
398 | ||
dee0a7cc AC |
399 | /* only send complete block. TWIN, KAAN SIM and adapter K |
400 | use the same protocol. */ | |
401 | if (((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) || | |
402 | ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4)))) { | |
403 | /* stop reading (except TWIN and KAAN SIM) */ | |
404 | if ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) | |
405 | || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID)) | |
1da177e4 LT |
406 | usb_kill_urb(port->interrupt_in_urb); |
407 | ||
408 | todo = priv->filled - priv->cur_pos; | |
409 | ||
dee0a7cc AC |
410 | while (todo > 0) { |
411 | /* max 8 byte in one urb (endpoint size) */ | |
1da177e4 | 412 | length = (todo < 8) ? todo : 8; |
dee0a7cc AC |
413 | /* copy data to transfer buffer */ |
414 | memcpy(port->write_urb->transfer_buffer, | |
415 | priv->buf + priv->cur_pos, length); | |
416 | usb_fill_int_urb(port->write_urb, | |
417 | port->serial->dev, | |
418 | usb_sndintpipe(port->serial->dev, | |
419 | priv->write_int_endpoint_address), | |
420 | port->write_urb->transfer_buffer, | |
421 | length, | |
422 | kobil_write_callback, | |
423 | port, | |
424 | 8 | |
425 | ); | |
1da177e4 LT |
426 | |
427 | priv->cur_pos = priv->cur_pos + length; | |
dee0a7cc | 428 | result = usb_submit_urb(port->write_urb, GFP_NOIO); |
b12f7a1c | 429 | dev_dbg(&port->dev, "%s - Send write URB returns: %i\n", __func__, result); |
1da177e4 LT |
430 | todo = priv->filled - priv->cur_pos; |
431 | ||
dee0a7cc | 432 | if (todo > 0) |
1da177e4 | 433 | msleep(24); |
dee0a7cc | 434 | } |
1da177e4 | 435 | |
1da177e4 LT |
436 | priv->filled = 0; |
437 | priv->cur_pos = 0; | |
438 | ||
dee0a7cc AC |
439 | /* start reading (except TWIN and KAAN SIM) */ |
440 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || | |
441 | priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { | |
dee0a7cc AC |
442 | result = usb_submit_urb(port->interrupt_in_urb, |
443 | GFP_NOIO); | |
b12f7a1c | 444 | dev_dbg(&port->dev, "%s - Send read URB returns: %i\n", __func__, result); |
1da177e4 LT |
445 | } |
446 | } | |
447 | return count; | |
448 | } | |
449 | ||
450 | ||
dee0a7cc | 451 | static int kobil_write_room(struct tty_struct *tty) |
1da177e4 | 452 | { |
95da310e | 453 | /* FIXME */ |
1da177e4 LT |
454 | return 8; |
455 | } | |
456 | ||
457 | ||
60b33c13 | 458 | static int kobil_tiocmget(struct tty_struct *tty) |
1da177e4 | 459 | { |
95da310e | 460 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 461 | struct kobil_private *priv; |
1da177e4 LT |
462 | int result; |
463 | unsigned char *transfer_buffer; | |
464 | int transfer_buffer_length = 8; | |
465 | ||
466 | priv = usb_get_serial_port_data(port); | |
dee0a7cc AC |
467 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID |
468 | || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { | |
469 | /* This device doesn't support ioctl calls */ | |
1da177e4 LT |
470 | return -EINVAL; |
471 | } | |
472 | ||
dee0a7cc | 473 | /* allocate memory for transfer buffer */ |
80b6ca48 | 474 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 475 | if (!transfer_buffer) |
1da177e4 | 476 | return -ENOMEM; |
1da177e4 | 477 | |
dee0a7cc AC |
478 | result = usb_control_msg(port->serial->dev, |
479 | usb_rcvctrlpipe(port->serial->dev, 0), | |
480 | SUSBCRequest_GetStatusLineState, | |
481 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, | |
482 | 0, | |
483 | 0, | |
484 | transfer_buffer, | |
485 | transfer_buffer_length, | |
486 | KOBIL_TIMEOUT); | |
487 | ||
b12f7a1c GKH |
488 | dev_dbg(&port->dev, "%s - Send get_status_line_state URB returns: %i. Statusline: %02x\n", |
489 | __func__, result, transfer_buffer[0]); | |
1da177e4 | 490 | |
a40d8540 AC |
491 | result = 0; |
492 | if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0) | |
493 | result = TIOCM_DSR; | |
1da177e4 | 494 | kfree(transfer_buffer); |
a40d8540 | 495 | return result; |
1da177e4 LT |
496 | } |
497 | ||
20b9d177 | 498 | static int kobil_tiocmset(struct tty_struct *tty, |
1da177e4 LT |
499 | unsigned int set, unsigned int clear) |
500 | { | |
95da310e | 501 | struct usb_serial_port *port = tty->driver_data; |
b12f7a1c | 502 | struct device *dev = &port->dev; |
dee0a7cc | 503 | struct kobil_private *priv; |
1da177e4 LT |
504 | int result; |
505 | int dtr = 0; | |
506 | int rts = 0; | |
507 | unsigned char *transfer_buffer; | |
508 | int transfer_buffer_length = 8; | |
509 | ||
a40d8540 | 510 | /* FIXME: locking ? */ |
1da177e4 | 511 | priv = usb_get_serial_port_data(port); |
dee0a7cc AC |
512 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID |
513 | || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { | |
514 | /* This device doesn't support ioctl calls */ | |
1da177e4 LT |
515 | return -EINVAL; |
516 | } | |
517 | ||
dee0a7cc | 518 | /* allocate memory for transfer buffer */ |
80b6ca48 | 519 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc | 520 | if (!transfer_buffer) |
1da177e4 | 521 | return -ENOMEM; |
1da177e4 LT |
522 | |
523 | if (set & TIOCM_RTS) | |
524 | rts = 1; | |
525 | if (set & TIOCM_DTR) | |
526 | dtr = 1; | |
527 | if (clear & TIOCM_RTS) | |
528 | rts = 0; | |
529 | if (clear & TIOCM_DTR) | |
530 | dtr = 0; | |
531 | ||
532 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) { | |
533 | if (dtr != 0) | |
b12f7a1c | 534 | dev_dbg(dev, "%s - Setting DTR\n", __func__); |
1da177e4 | 535 | else |
b12f7a1c | 536 | dev_dbg(dev, "%s - Clearing DTR\n", __func__); |
dee0a7cc AC |
537 | result = usb_control_msg(port->serial->dev, |
538 | usb_rcvctrlpipe(port->serial->dev, 0), | |
539 | SUSBCRequest_SetStatusLinesOrQueues, | |
540 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
541 | ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR), | |
542 | 0, | |
543 | transfer_buffer, | |
544 | 0, | |
545 | KOBIL_TIMEOUT); | |
1da177e4 LT |
546 | } else { |
547 | if (rts != 0) | |
b12f7a1c | 548 | dev_dbg(dev, "%s - Setting RTS\n", __func__); |
1da177e4 | 549 | else |
b12f7a1c | 550 | dev_dbg(dev, "%s - Clearing RTS\n", __func__); |
dee0a7cc AC |
551 | result = usb_control_msg(port->serial->dev, |
552 | usb_rcvctrlpipe(port->serial->dev, 0), | |
553 | SUSBCRequest_SetStatusLinesOrQueues, | |
554 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
555 | ((rts != 0) ? SUSBCR_SSL_SETRTS : SUSBCR_SSL_CLRRTS), | |
556 | 0, | |
557 | transfer_buffer, | |
558 | 0, | |
559 | KOBIL_TIMEOUT); | |
1da177e4 | 560 | } |
b12f7a1c | 561 | dev_dbg(dev, "%s - Send set_status_line URB returns: %i\n", __func__, result); |
1da177e4 LT |
562 | kfree(transfer_buffer); |
563 | return (result < 0) ? result : 0; | |
564 | } | |
565 | ||
95da310e AC |
566 | static void kobil_set_termios(struct tty_struct *tty, |
567 | struct usb_serial_port *port, struct ktermios *old) | |
1da177e4 | 568 | { |
dee0a7cc | 569 | struct kobil_private *priv; |
1da177e4 LT |
570 | int result; |
571 | unsigned short urb_val = 0; | |
95da310e | 572 | int c_cflag = tty->termios->c_cflag; |
94d0f7ea | 573 | speed_t speed; |
1da177e4 LT |
574 | |
575 | priv = usb_get_serial_port_data(port); | |
dee0a7cc | 576 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
b31f658b | 577 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { |
dee0a7cc | 578 | /* This device doesn't support ioctl calls */ |
b31f658b | 579 | *tty->termios = *old; |
94d0f7ea | 580 | return; |
b31f658b | 581 | } |
1da177e4 | 582 | |
dee0a7cc AC |
583 | speed = tty_get_baud_rate(tty); |
584 | switch (speed) { | |
585 | case 1200: | |
586 | urb_val = SUSBCR_SBR_1200; | |
587 | break; | |
588 | default: | |
589 | speed = 9600; | |
590 | case 9600: | |
591 | urb_val = SUSBCR_SBR_9600; | |
592 | break; | |
94d0f7ea | 593 | } |
dee0a7cc AC |
594 | urb_val |= (c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits : |
595 | SUSBCR_SPASB_1StopBit; | |
94d0f7ea | 596 | if (c_cflag & PARENB) { |
96679f6b | 597 | if (c_cflag & PARODD) |
94d0f7ea | 598 | urb_val |= SUSBCR_SPASB_OddParity; |
96679f6b | 599 | else |
94d0f7ea | 600 | urb_val |= SUSBCR_SPASB_EvenParity; |
96679f6b | 601 | } else |
94d0f7ea | 602 | urb_val |= SUSBCR_SPASB_NoParity; |
95da310e AC |
603 | tty->termios->c_cflag &= ~CMSPAR; |
604 | tty_encode_baud_rate(tty, speed, speed); | |
1da177e4 | 605 | |
dee0a7cc AC |
606 | result = usb_control_msg(port->serial->dev, |
607 | usb_rcvctrlpipe(port->serial->dev, 0), | |
608 | SUSBCRequest_SetBaudRateParityAndStopBits, | |
609 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
610 | urb_val, | |
611 | 0, | |
96679f6b | 612 | NULL, |
dee0a7cc AC |
613 | 0, |
614 | KOBIL_TIMEOUT | |
94d0f7ea | 615 | ); |
94d0f7ea | 616 | } |
1da177e4 | 617 | |
00a0d0d6 | 618 | static int kobil_ioctl(struct tty_struct *tty, |
dee0a7cc | 619 | unsigned int cmd, unsigned long arg) |
94d0f7ea | 620 | { |
95da310e | 621 | struct usb_serial_port *port = tty->driver_data; |
dee0a7cc | 622 | struct kobil_private *priv = usb_get_serial_port_data(port); |
94d0f7ea AC |
623 | unsigned char *transfer_buffer; |
624 | int transfer_buffer_length = 8; | |
625 | int result; | |
626 | ||
dee0a7cc AC |
627 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || |
628 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) | |
629 | /* This device doesn't support ioctl calls */ | |
b31f658b | 630 | return -ENOIOCTLCMD; |
1da177e4 | 631 | |
94d0f7ea | 632 | switch (cmd) { |
95da310e | 633 | case TCFLSH: |
5cbded58 | 634 | transfer_buffer = kmalloc(transfer_buffer_length, GFP_KERNEL); |
dee0a7cc AC |
635 | if (!transfer_buffer) |
636 | return -ENOBUFS; | |
637 | ||
638 | result = usb_control_msg(port->serial->dev, | |
639 | usb_rcvctrlpipe(port->serial->dev, 0), | |
640 | SUSBCRequest_Misc, | |
641 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, | |
642 | SUSBCR_MSC_ResetAllQueues, | |
643 | 0, | |
644 | NULL, /* transfer_buffer, */ | |
645 | 0, | |
646 | KOBIL_TIMEOUT | |
1da177e4 | 647 | ); |
dee0a7cc | 648 | |
b12f7a1c GKH |
649 | dev_dbg(&port->dev, |
650 | "%s - Send reset_all_queues (FLUSH) URB returns: %i", __func__, result); | |
1da177e4 | 651 | kfree(transfer_buffer); |
95da310e | 652 | return (result < 0) ? -EIO: 0; |
94d0f7ea AC |
653 | default: |
654 | return -ENOIOCTLCMD; | |
1da177e4 | 655 | } |
1da177e4 LT |
656 | } |
657 | ||
68e24113 | 658 | module_usb_serial_driver(serial_drivers, id_table); |
1da177e4 | 659 | |
dee0a7cc AC |
660 | MODULE_AUTHOR(DRIVER_AUTHOR); |
661 | MODULE_DESCRIPTION(DRIVER_DESC); | |
662 | MODULE_LICENSE("GPL"); | |
1da177e4 LT |
663 | |
664 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
665 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |