Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * KOBIL USB Smart Card Terminal Driver |
| 3 | * |
| 4 | * Copyright (C) 2002 KOBIL Systems GmbH |
| 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) |
| 23 | * |
| 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
| 47 | #include <asm/uaccess.h> |
| 48 | #include <linux/usb.h> |
Greg Kroah-Hartman | a969888 | 2006-07-11 21:22:58 -0700 | [diff] [blame] | 49 | #include <linux/usb/serial.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | #include <linux/ioctl.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
| 71 | static int kobil_startup (struct usb_serial *serial); |
| 72 | static void kobil_shutdown (struct usb_serial *serial); |
| 73 | static int kobil_open (struct usb_serial_port *port, struct file *filp); |
| 74 | static void kobil_close (struct usb_serial_port *port, struct file *filp); |
| 75 | static int kobil_write (struct usb_serial_port *port, |
| 76 | const unsigned char *buf, int count); |
| 77 | static int kobil_write_room(struct usb_serial_port *port); |
| 78 | static int kobil_ioctl(struct usb_serial_port *port, struct file *file, |
| 79 | unsigned int cmd, unsigned long arg); |
| 80 | static int kobil_tiocmget(struct usb_serial_port *port, struct file *file); |
| 81 | static int kobil_tiocmset(struct usb_serial_port *port, struct file *file, |
| 82 | unsigned int set, unsigned int clear); |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 83 | static void kobil_read_int_callback( struct urb *urb ); |
| 84 | static void kobil_write_callback( struct urb *purb ); |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 85 | static void kobil_set_termios(struct usb_serial_port *port, struct ktermios *old); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | |
| 87 | |
| 88 | static struct usb_device_id id_table [] = { |
| 89 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_B_PRODUCT_ID) }, |
| 90 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_K_PRODUCT_ID) }, |
| 91 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_USBTWIN_PRODUCT_ID) }, |
| 92 | { USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_KAAN_SIM_PRODUCT_ID) }, |
| 93 | { } /* Terminating entry */ |
| 94 | }; |
| 95 | |
| 96 | |
| 97 | MODULE_DEVICE_TABLE (usb, id_table); |
| 98 | |
| 99 | static struct usb_driver kobil_driver = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | .name = "kobil", |
| 101 | .probe = usb_serial_probe, |
| 102 | .disconnect = usb_serial_disconnect, |
| 103 | .id_table = id_table, |
Greg Kroah-Hartman | ba9dc65 | 2005-11-16 13:41:28 -0800 | [diff] [blame] | 104 | .no_dynamic_id = 1, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | }; |
| 106 | |
| 107 | |
Greg Kroah-Hartman | ea65370 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 108 | static struct usb_serial_driver kobil_device = { |
Greg Kroah-Hartman | 18fcac3 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 109 | .driver = { |
| 110 | .owner = THIS_MODULE, |
Greg Kroah-Hartman | 269bda1 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 111 | .name = "kobil", |
Greg Kroah-Hartman | 18fcac3 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 112 | }, |
Greg Kroah-Hartman | 269bda1 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 113 | .description = "KOBIL USB smart card terminal", |
Johannes Hölzl | d9b1b78 | 2006-12-17 21:50:24 +0100 | [diff] [blame] | 114 | .usb_driver = &kobil_driver, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | .id_table = id_table, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | .num_ports = 1, |
| 117 | .attach = kobil_startup, |
| 118 | .shutdown = kobil_shutdown, |
| 119 | .ioctl = kobil_ioctl, |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 120 | .set_termios = kobil_set_termios, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | .tiocmget = kobil_tiocmget, |
| 122 | .tiocmset = kobil_tiocmset, |
| 123 | .open = kobil_open, |
| 124 | .close = kobil_close, |
| 125 | .write = kobil_write, |
| 126 | .write_room = kobil_write_room, |
| 127 | .read_int_callback = kobil_read_int_callback, |
| 128 | }; |
| 129 | |
| 130 | |
| 131 | struct kobil_private { |
| 132 | int write_int_endpoint_address; |
| 133 | int read_int_endpoint_address; |
| 134 | unsigned char buf[KOBIL_BUF_LENGTH]; // buffer for the APDU to send |
| 135 | int filled; // index of the last char in buf |
| 136 | int cur_pos; // index of the next char to send in buf |
| 137 | __u16 device_type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | }; |
| 139 | |
| 140 | |
| 141 | static int kobil_startup (struct usb_serial *serial) |
| 142 | { |
| 143 | int i; |
| 144 | struct kobil_private *priv; |
| 145 | struct usb_device *pdev; |
| 146 | struct usb_host_config *actconfig; |
| 147 | struct usb_interface *interface; |
| 148 | struct usb_host_interface *altsetting; |
| 149 | struct usb_host_endpoint *endpoint; |
| 150 | |
| 151 | priv = kmalloc(sizeof(struct kobil_private), GFP_KERNEL); |
| 152 | if (!priv){ |
| 153 | return -ENOMEM; |
| 154 | } |
| 155 | |
| 156 | priv->filled = 0; |
| 157 | priv->cur_pos = 0; |
| 158 | priv->device_type = le16_to_cpu(serial->dev->descriptor.idProduct); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | |
| 160 | switch (priv->device_type){ |
| 161 | case KOBIL_ADAPTER_B_PRODUCT_ID: |
| 162 | printk(KERN_DEBUG "KOBIL B1 PRO / KAAN PRO detected\n"); |
| 163 | break; |
| 164 | case KOBIL_ADAPTER_K_PRODUCT_ID: |
| 165 | printk(KERN_DEBUG "KOBIL KAAN Standard Plus / SecOVID Reader Plus detected\n"); |
| 166 | break; |
| 167 | case KOBIL_USBTWIN_PRODUCT_ID: |
| 168 | printk(KERN_DEBUG "KOBIL USBTWIN detected\n"); |
| 169 | break; |
| 170 | case KOBIL_KAAN_SIM_PRODUCT_ID: |
| 171 | printk(KERN_DEBUG "KOBIL KAAN SIM detected\n"); |
| 172 | break; |
| 173 | } |
| 174 | usb_set_serial_port_data(serial->port[0], priv); |
| 175 | |
| 176 | // search for the necessary endpoints |
| 177 | pdev = serial->dev; |
| 178 | actconfig = pdev->actconfig; |
| 179 | interface = actconfig->interface[0]; |
| 180 | altsetting = interface->cur_altsetting; |
| 181 | endpoint = altsetting->endpoint; |
| 182 | |
| 183 | for (i = 0; i < altsetting->desc.bNumEndpoints; i++) { |
| 184 | endpoint = &altsetting->endpoint[i]; |
Luiz Fernando N. Capitulino | 4f1f1dd | 2006-10-26 13:02:53 -0300 | [diff] [blame] | 185 | if (usb_endpoint_is_int_out(&endpoint->desc)) { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 186 | dbg("%s Found interrupt out endpoint. Address: %d", __func__, endpoint->desc.bEndpointAddress); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | priv->write_int_endpoint_address = endpoint->desc.bEndpointAddress; |
| 188 | } |
Luiz Fernando N. Capitulino | 4f1f1dd | 2006-10-26 13:02:53 -0300 | [diff] [blame] | 189 | if (usb_endpoint_is_int_in(&endpoint->desc)) { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 190 | dbg("%s Found interrupt in endpoint. Address: %d", __func__, endpoint->desc.bEndpointAddress); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | priv->read_int_endpoint_address = endpoint->desc.bEndpointAddress; |
| 192 | } |
| 193 | } |
| 194 | return 0; |
| 195 | } |
| 196 | |
| 197 | |
| 198 | static void kobil_shutdown (struct usb_serial *serial) |
| 199 | { |
| 200 | int i; |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 201 | dbg("%s - port %d", __func__, serial->port[0]->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 202 | |
| 203 | for (i=0; i < serial->num_ports; ++i) { |
| 204 | while (serial->port[i]->open_count > 0) { |
| 205 | kobil_close (serial->port[i], NULL); |
| 206 | } |
| 207 | kfree(usb_get_serial_port_data(serial->port[i])); |
| 208 | usb_set_serial_port_data(serial->port[i], NULL); |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | |
| 213 | static int kobil_open (struct usb_serial_port *port, struct file *filp) |
| 214 | { |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 215 | int result = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | struct kobil_private *priv; |
| 217 | unsigned char *transfer_buffer; |
| 218 | int transfer_buffer_length = 8; |
| 219 | int write_urb_transfer_buffer_length = 8; |
| 220 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 221 | dbg("%s - port %d", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | priv = usb_get_serial_port_data(port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | |
| 224 | // someone sets the dev to 0 if the close method has been called |
| 225 | port->interrupt_in_urb->dev = port->serial->dev; |
| 226 | |
| 227 | |
| 228 | /* force low_latency on so that our tty_push actually forces |
| 229 | * the data through, otherwise it is scheduled, and with high |
| 230 | * data rates (like with OHCI) data can get lost. |
| 231 | */ |
| 232 | port->tty->low_latency = 1; |
| 233 | |
| 234 | // without this, every push_tty_char is echoed :-( |
| 235 | port->tty->termios->c_lflag = 0; |
| 236 | port->tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE); |
| 237 | port->tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF; |
| 238 | port->tty->termios->c_oflag &= ~ONLCR; // do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D) |
| 239 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 240 | // allocate memory for transfer buffer |
Eric Sesterhenn | 80b6ca4 | 2006-02-27 21:29:43 +0100 | [diff] [blame] | 241 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 242 | if (! transfer_buffer) { |
| 243 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | } |
| 245 | |
| 246 | // allocate write_urb |
| 247 | if (!port->write_urb) { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 248 | dbg("%s - port %d Allocating port->write_urb", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | port->write_urb = usb_alloc_urb(0, GFP_KERNEL); |
| 250 | if (!port->write_urb) { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 251 | dbg("%s - port %d usb_alloc_urb failed", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | kfree(transfer_buffer); |
| 253 | return -ENOMEM; |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | // allocate memory for write_urb transfer buffer |
Robert P. J. Day | 5cbded5 | 2006-12-13 00:35:56 -0800 | [diff] [blame] | 258 | port->write_urb->transfer_buffer = kmalloc(write_urb_transfer_buffer_length, GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | if (! port->write_urb->transfer_buffer) { |
| 260 | kfree(transfer_buffer); |
| 261 | usb_free_urb(port->write_urb); |
| 262 | port->write_urb = NULL; |
| 263 | return -ENOMEM; |
| 264 | } |
| 265 | |
| 266 | // get hardware 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_GetHWVersion, |
| 272 | 0, |
| 273 | transfer_buffer, |
| 274 | transfer_buffer_length, |
| 275 | KOBIL_TIMEOUT |
| 276 | ); |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 277 | dbg("%s - port %d Send get_HW_version URB returns: %i", __func__, port->number, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | dbg("Harware version: %i.%i.%i", transfer_buffer[0], transfer_buffer[1], transfer_buffer[2] ); |
| 279 | |
| 280 | // get firmware version |
| 281 | result = usb_control_msg( port->serial->dev, |
| 282 | usb_rcvctrlpipe(port->serial->dev, 0 ), |
| 283 | SUSBCRequest_GetMisc, |
| 284 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, |
| 285 | SUSBCR_MSC_GetFWVersion, |
| 286 | 0, |
| 287 | transfer_buffer, |
| 288 | transfer_buffer_length, |
| 289 | KOBIL_TIMEOUT |
| 290 | ); |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 291 | dbg("%s - port %d Send get_FW_version URB returns: %i", __func__, port->number, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | dbg("Firmware version: %i.%i.%i", transfer_buffer[0], transfer_buffer[1], transfer_buffer[2] ); |
| 293 | |
| 294 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { |
| 295 | // Setting Baudrate, Parity and Stopbits |
| 296 | result = usb_control_msg( port->serial->dev, |
| 297 | usb_rcvctrlpipe(port->serial->dev, 0 ), |
| 298 | SUSBCRequest_SetBaudRateParityAndStopBits, |
| 299 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, |
| 300 | SUSBCR_SBR_9600 | SUSBCR_SPASB_EvenParity | SUSBCR_SPASB_1StopBit, |
| 301 | 0, |
| 302 | transfer_buffer, |
| 303 | 0, |
| 304 | KOBIL_TIMEOUT |
| 305 | ); |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 306 | dbg("%s - port %d Send set_baudrate URB returns: %i", __func__, port->number, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | |
| 308 | // reset all queues |
| 309 | result = usb_control_msg( port->serial->dev, |
| 310 | usb_rcvctrlpipe(port->serial->dev, 0 ), |
| 311 | SUSBCRequest_Misc, |
| 312 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, |
| 313 | SUSBCR_MSC_ResetAllQueues, |
| 314 | 0, |
| 315 | transfer_buffer, |
| 316 | 0, |
| 317 | KOBIL_TIMEOUT |
| 318 | ); |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 319 | dbg("%s - port %d Send reset_all_queues URB returns: %i", __func__, port->number, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | } |
| 321 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || |
| 322 | priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) { |
| 323 | // start reading (Adapter B 'cause PNP string) |
| 324 | result = usb_submit_urb( port->interrupt_in_urb, GFP_ATOMIC ); |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 325 | dbg("%s - port %d Send read URB returns: %i", __func__, port->number, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | } |
| 327 | |
| 328 | kfree(transfer_buffer); |
| 329 | return 0; |
| 330 | } |
| 331 | |
| 332 | |
| 333 | static void kobil_close (struct usb_serial_port *port, struct file *filp) |
| 334 | { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 335 | dbg("%s - port %d", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | |
| 337 | if (port->write_urb) { |
| 338 | usb_kill_urb(port->write_urb); |
| 339 | usb_free_urb( port->write_urb ); |
| 340 | port->write_urb = NULL; |
| 341 | } |
Mariusz Kozlowski | 5505c22 | 2006-11-08 15:36:38 +0100 | [diff] [blame] | 342 | usb_kill_urb(port->interrupt_in_urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | } |
| 344 | |
| 345 | |
Greg Kroah-Hartman | 6fcdcf0 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 346 | static void kobil_read_int_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 347 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 348 | int result; |
Greg Kroah-Hartman | 6fcdcf0 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 349 | struct usb_serial_port *port = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | struct tty_struct *tty; |
Greg Kroah-Hartman | 6fcdcf0 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 351 | unsigned char *data = urb->transfer_buffer; |
| 352 | int status = urb->status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | // char *dbg_data; |
| 354 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 355 | dbg("%s - port %d", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | |
Greg Kroah-Hartman | 6fcdcf0 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 357 | if (status) { |
| 358 | dbg("%s - port %d Read int status not zero: %d", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 359 | __func__, port->number, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | return; |
| 361 | } |
Greg Kroah-Hartman | 6fcdcf0 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 362 | |
| 363 | tty = port->tty; |
| 364 | if (urb->actual_length) { |
| 365 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | // BEGIN DEBUG |
| 367 | /* |
Eric Sesterhenn | 80b6ca4 | 2006-02-27 21:29:43 +0100 | [diff] [blame] | 368 | dbg_data = kzalloc((3 * purb->actual_length + 10) * sizeof(char), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | if (! dbg_data) { |
| 370 | return; |
| 371 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 372 | for (i = 0; i < purb->actual_length; i++) { |
| 373 | sprintf(dbg_data +3*i, "%02X ", data[i]); |
| 374 | } |
| 375 | dbg(" <-- %s", dbg_data ); |
| 376 | kfree(dbg_data); |
| 377 | */ |
| 378 | // END DEBUG |
| 379 | |
Greg Kroah-Hartman | 6fcdcf0 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 380 | tty_buffer_request_room(tty, urb->actual_length); |
| 381 | tty_insert_flip_string(tty, data, urb->actual_length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 382 | tty_flip_buffer_push(tty); |
| 383 | } |
| 384 | |
| 385 | // someone sets the dev to 0 if the close method has been called |
| 386 | port->interrupt_in_urb->dev = port->serial->dev; |
| 387 | |
Greg Kroah-Hartman | 6fcdcf0 | 2007-06-15 15:44:13 -0700 | [diff] [blame] | 388 | result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 389 | dbg("%s - port %d Send read URB returns: %i", __func__, port->number, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | } |
| 391 | |
| 392 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 393 | static void kobil_write_callback( struct urb *purb ) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | { |
| 395 | } |
| 396 | |
| 397 | |
| 398 | static int kobil_write (struct usb_serial_port *port, |
| 399 | const unsigned char *buf, int count) |
| 400 | { |
| 401 | int length = 0; |
| 402 | int result = 0; |
| 403 | int todo = 0; |
| 404 | struct kobil_private * priv; |
| 405 | |
| 406 | if (count == 0) { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 407 | dbg("%s - port %d write request of 0 bytes", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | return 0; |
| 409 | } |
| 410 | |
| 411 | priv = usb_get_serial_port_data(port); |
| 412 | |
| 413 | if (count > (KOBIL_BUF_LENGTH - priv->filled)) { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 414 | dbg("%s - port %d Error: write request bigger than buffer size", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | return -ENOMEM; |
| 416 | } |
| 417 | |
| 418 | // Copy data to buffer |
| 419 | memcpy (priv->buf + priv->filled, buf, count); |
| 420 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 421 | usb_serial_debug_data(debug, &port->dev, __func__, count, priv->buf + priv->filled); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 422 | |
| 423 | priv->filled = priv->filled + count; |
| 424 | |
| 425 | |
| 426 | // only send complete block. TWIN, KAAN SIM and adapter K use the same protocol. |
| 427 | if ( ((priv->device_type != KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 2) && (priv->filled >= (priv->buf[1] + 3))) || |
| 428 | ((priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) && (priv->filled > 3) && (priv->filled >= (priv->buf[2] + 4))) ) { |
| 429 | |
| 430 | // stop reading (except TWIN and KAAN SIM) |
| 431 | if ( (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) ) |
| 432 | usb_kill_urb(port->interrupt_in_urb); |
| 433 | |
| 434 | todo = priv->filled - priv->cur_pos; |
| 435 | |
| 436 | while(todo > 0) { |
| 437 | // max 8 byte in one urb (endpoint size) |
| 438 | length = (todo < 8) ? todo : 8; |
| 439 | // copy data to transfer buffer |
| 440 | memcpy(port->write_urb->transfer_buffer, priv->buf + priv->cur_pos, length ); |
| 441 | usb_fill_int_urb( port->write_urb, |
| 442 | port->serial->dev, |
| 443 | usb_sndintpipe(port->serial->dev, priv->write_int_endpoint_address), |
| 444 | port->write_urb->transfer_buffer, |
| 445 | length, |
| 446 | kobil_write_callback, |
| 447 | port, |
| 448 | 8 |
| 449 | ); |
| 450 | |
| 451 | priv->cur_pos = priv->cur_pos + length; |
| 452 | result = usb_submit_urb( port->write_urb, GFP_NOIO ); |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 453 | dbg("%s - port %d Send write URB returns: %i", __func__, port->number, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | todo = priv->filled - priv->cur_pos; |
| 455 | |
| 456 | if (todo > 0) { |
| 457 | msleep(24); |
| 458 | } |
| 459 | |
| 460 | } // end while |
| 461 | |
| 462 | priv->filled = 0; |
| 463 | priv->cur_pos = 0; |
| 464 | |
| 465 | // someone sets the dev to 0 if the close method has been called |
| 466 | port->interrupt_in_urb->dev = port->serial->dev; |
| 467 | |
| 468 | // start reading (except TWIN and KAAN SIM) |
| 469 | if ( (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) || (priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) ) { |
| 470 | // someone sets the dev to 0 if the close method has been called |
| 471 | port->interrupt_in_urb->dev = port->serial->dev; |
| 472 | |
| 473 | result = usb_submit_urb( port->interrupt_in_urb, GFP_NOIO ); |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 474 | dbg("%s - port %d Send read URB returns: %i", __func__, port->number, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 475 | } |
| 476 | } |
| 477 | return count; |
| 478 | } |
| 479 | |
| 480 | |
| 481 | static int kobil_write_room (struct usb_serial_port *port) |
| 482 | { |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 483 | //dbg("%s - port %d", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 484 | return 8; |
| 485 | } |
| 486 | |
| 487 | |
| 488 | static int kobil_tiocmget(struct usb_serial_port *port, struct file *file) |
| 489 | { |
| 490 | struct kobil_private * priv; |
| 491 | int result; |
| 492 | unsigned char *transfer_buffer; |
| 493 | int transfer_buffer_length = 8; |
| 494 | |
| 495 | priv = usb_get_serial_port_data(port); |
| 496 | if ((priv->device_type == KOBIL_USBTWIN_PRODUCT_ID) || (priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)) { |
| 497 | // This device doesn't support ioctl calls |
| 498 | return -EINVAL; |
| 499 | } |
| 500 | |
| 501 | // allocate memory for transfer buffer |
Eric Sesterhenn | 80b6ca4 | 2006-02-27 21:29:43 +0100 | [diff] [blame] | 502 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 503 | if (!transfer_buffer) { |
| 504 | return -ENOMEM; |
| 505 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 506 | |
| 507 | result = usb_control_msg( port->serial->dev, |
| 508 | usb_rcvctrlpipe(port->serial->dev, 0 ), |
| 509 | SUSBCRequest_GetStatusLineState, |
| 510 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_IN, |
| 511 | 0, |
| 512 | 0, |
| 513 | transfer_buffer, |
| 514 | transfer_buffer_length, |
| 515 | KOBIL_TIMEOUT); |
| 516 | |
| 517 | dbg("%s - port %d Send get_status_line_state URB returns: %i. Statusline: %02x", |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 518 | __func__, port->number, result, transfer_buffer[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 519 | |
Alan Cox | a40d854 | 2008-02-20 21:40:34 +0000 | [diff] [blame] | 520 | result = 0; |
| 521 | if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0) |
| 522 | result = TIOCM_DSR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 523 | kfree(transfer_buffer); |
Alan Cox | a40d854 | 2008-02-20 21:40:34 +0000 | [diff] [blame] | 524 | return result; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | } |
| 526 | |
| 527 | static int kobil_tiocmset(struct usb_serial_port *port, struct file *file, |
| 528 | unsigned int set, unsigned int clear) |
| 529 | { |
| 530 | struct kobil_private * priv; |
| 531 | int result; |
| 532 | int dtr = 0; |
| 533 | int rts = 0; |
| 534 | unsigned char *transfer_buffer; |
| 535 | int transfer_buffer_length = 8; |
| 536 | |
Alan Cox | a40d854 | 2008-02-20 21:40:34 +0000 | [diff] [blame] | 537 | /* FIXME: locking ? */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 538 | priv = usb_get_serial_port_data(port); |
| 539 | if ((priv->device_type == KOBIL_USBTWIN_PRODUCT_ID) || (priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)) { |
| 540 | // This device doesn't support ioctl calls |
| 541 | return -EINVAL; |
| 542 | } |
| 543 | |
| 544 | // allocate memory for transfer buffer |
Eric Sesterhenn | 80b6ca4 | 2006-02-27 21:29:43 +0100 | [diff] [blame] | 545 | transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 546 | if (! transfer_buffer) { |
| 547 | return -ENOMEM; |
| 548 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 549 | |
| 550 | if (set & TIOCM_RTS) |
| 551 | rts = 1; |
| 552 | if (set & TIOCM_DTR) |
| 553 | dtr = 1; |
| 554 | if (clear & TIOCM_RTS) |
| 555 | rts = 0; |
| 556 | if (clear & TIOCM_DTR) |
| 557 | dtr = 0; |
| 558 | |
| 559 | if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID) { |
| 560 | if (dtr != 0) |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 561 | dbg("%s - port %d Setting DTR", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 562 | else |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 563 | dbg("%s - port %d Clearing DTR", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | result = usb_control_msg( port->serial->dev, |
| 565 | usb_rcvctrlpipe(port->serial->dev, 0 ), |
| 566 | SUSBCRequest_SetStatusLinesOrQueues, |
| 567 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, |
| 568 | ((dtr != 0) ? SUSBCR_SSL_SETDTR : SUSBCR_SSL_CLRDTR), |
| 569 | 0, |
| 570 | transfer_buffer, |
| 571 | 0, |
| 572 | KOBIL_TIMEOUT); |
| 573 | } else { |
| 574 | if (rts != 0) |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 575 | dbg("%s - port %d Setting RTS", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | else |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 577 | dbg("%s - port %d Clearing RTS", __func__, port->number); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
| 587 | } |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 588 | dbg("%s - port %d Send set_status_line URB returns: %i", __func__, port->number, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 589 | kfree(transfer_buffer); |
| 590 | return (result < 0) ? result : 0; |
| 591 | } |
| 592 | |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 593 | static void kobil_set_termios(struct usb_serial_port *port, struct ktermios *old) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 594 | { |
| 595 | struct kobil_private * priv; |
| 596 | int result; |
| 597 | unsigned short urb_val = 0; |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 598 | int c_cflag = port->tty->termios->c_cflag; |
| 599 | speed_t speed; |
| 600 | void * settings; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 601 | |
| 602 | priv = usb_get_serial_port_data(port); |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 603 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 604 | // This device doesn't support ioctl calls |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 605 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 606 | |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 607 | switch (speed = tty_get_baud_rate(port->tty)) { |
| 608 | case 1200: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | urb_val = SUSBCR_SBR_1200; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 610 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 611 | default: |
Alan Cox | a6ebf80 | 2007-10-18 01:24:21 -0700 | [diff] [blame] | 612 | speed = 9600; |
| 613 | case 9600: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | urb_val = SUSBCR_SBR_9600; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | break; |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 616 | } |
| 617 | urb_val |= (c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits : SUSBCR_SPASB_1StopBit; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 619 | settings = kzalloc(50, GFP_KERNEL); |
| 620 | if (! settings) |
| 621 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 622 | |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 623 | sprintf(settings, "%d ", speed); |
| 624 | |
| 625 | if (c_cflag & PARENB) { |
| 626 | if (c_cflag & PARODD) { |
| 627 | urb_val |= SUSBCR_SPASB_OddParity; |
| 628 | strcat(settings, "Odd Parity"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 629 | } else { |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 630 | urb_val |= SUSBCR_SPASB_EvenParity; |
| 631 | strcat(settings, "Even Parity"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 632 | } |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 633 | } else { |
| 634 | urb_val |= SUSBCR_SPASB_NoParity; |
| 635 | strcat(settings, "No Parity"); |
| 636 | } |
Alan Cox | a6ebf80 | 2007-10-18 01:24:21 -0700 | [diff] [blame] | 637 | port->tty->termios->c_cflag &= ~CMSPAR; |
| 638 | tty_encode_baud_rate(port->tty, speed, speed); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 639 | |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 640 | result = usb_control_msg( port->serial->dev, |
| 641 | usb_rcvctrlpipe(port->serial->dev, 0 ), |
| 642 | SUSBCRequest_SetBaudRateParityAndStopBits, |
| 643 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, |
| 644 | urb_val, |
| 645 | 0, |
| 646 | settings, |
| 647 | 0, |
| 648 | KOBIL_TIMEOUT |
| 649 | ); |
| 650 | kfree(settings); |
| 651 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 652 | |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 653 | static int kobil_ioctl(struct usb_serial_port *port, struct file * file, unsigned int cmd, unsigned long arg) |
| 654 | { |
| 655 | struct kobil_private * priv = usb_get_serial_port_data(port); |
| 656 | unsigned char *transfer_buffer; |
| 657 | int transfer_buffer_length = 8; |
| 658 | int result; |
| 659 | |
| 660 | if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID || priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID) |
| 661 | // This device doesn't support ioctl calls |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 662 | return 0; |
| 663 | |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 664 | switch (cmd) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 665 | case TCFLSH: // 0x540B |
Robert P. J. Day | 5cbded5 | 2006-12-13 00:35:56 -0800 | [diff] [blame] | 666 | transfer_buffer = kmalloc(transfer_buffer_length, GFP_KERNEL); |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 667 | if (! transfer_buffer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 668 | return -ENOBUFS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 669 | |
| 670 | result = usb_control_msg( port->serial->dev, |
| 671 | usb_rcvctrlpipe(port->serial->dev, 0 ), |
| 672 | SUSBCRequest_Misc, |
| 673 | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT, |
| 674 | SUSBCR_MSC_ResetAllQueues, |
| 675 | 0, |
| 676 | NULL,//transfer_buffer, |
| 677 | 0, |
| 678 | KOBIL_TIMEOUT |
| 679 | ); |
| 680 | |
Harvey Harrison | 441b62c | 2008-03-03 16:08:34 -0800 | [diff] [blame] | 681 | dbg("%s - port %d Send reset_all_queues (FLUSH) URB returns: %i", __func__, port->number, result); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 682 | kfree(transfer_buffer); |
Alan Cox | 94d0f7e | 2007-08-22 23:09:16 +0100 | [diff] [blame] | 683 | return (result < 0) ? -EFAULT : 0; |
| 684 | default: |
| 685 | return -ENOIOCTLCMD; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 686 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 687 | } |
| 688 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | static int __init kobil_init (void) |
| 690 | { |
| 691 | int retval; |
| 692 | retval = usb_serial_register(&kobil_device); |
| 693 | if (retval) |
| 694 | goto failed_usb_serial_register; |
| 695 | retval = usb_register(&kobil_driver); |
| 696 | if (retval) |
| 697 | goto failed_usb_register; |
| 698 | |
| 699 | info(DRIVER_VERSION " " DRIVER_AUTHOR); |
| 700 | info(DRIVER_DESC); |
| 701 | |
| 702 | return 0; |
| 703 | failed_usb_register: |
| 704 | usb_serial_deregister(&kobil_device); |
| 705 | failed_usb_serial_register: |
| 706 | return retval; |
| 707 | } |
| 708 | |
| 709 | |
| 710 | static void __exit kobil_exit (void) |
| 711 | { |
| 712 | usb_deregister (&kobil_driver); |
| 713 | usb_serial_deregister (&kobil_device); |
| 714 | } |
| 715 | |
| 716 | module_init(kobil_init); |
| 717 | module_exit(kobil_exit); |
| 718 | |
| 719 | MODULE_AUTHOR( DRIVER_AUTHOR ); |
| 720 | MODULE_DESCRIPTION( DRIVER_DESC ); |
| 721 | MODULE_LICENSE( "GPL" ); |
| 722 | |
| 723 | module_param(debug, bool, S_IRUGO | S_IWUSR); |
| 724 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |