1 /* 2 * spcp8x5 USB to serial adaptor driver 3 * 4 * Copyright (C) 2010 Johan Hovold (jhovold@gmail.com) 5 * Copyright (C) 2006 Linxb (xubin.lin@worldplus.com.cn) 6 * Copyright (C) 2006 S1 Corp. 7 * 8 * Original driver for 2.6.10 pl2303 driver by 9 * Greg Kroah-Hartman (greg@kroah.com) 10 * Changes for 2.6.20 by Harald Klein <hari@vt100.at> 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public License as published by 14 * the Free Software Foundation; either version 2 of the License, or 15 * (at your option) any later version. 16 * 17 * 18 */ 19 #include <linux/kernel.h> 20 #include <linux/errno.h> 21 #include <linux/init.h> 22 #include <linux/slab.h> 23 #include <linux/tty.h> 24 #include <linux/tty_driver.h> 25 #include <linux/tty_flip.h> 26 #include <linux/module.h> 27 #include <linux/spinlock.h> 28 #include <linux/usb.h> 29 #include <linux/usb/serial.h> 30 31 #define DRIVER_DESC "SPCP8x5 USB to serial adaptor driver" 32 33 #define SPCP8x5_007_VID 0x04FC 34 #define SPCP8x5_007_PID 0x0201 35 #define SPCP8x5_008_VID 0x04fc 36 #define SPCP8x5_008_PID 0x0235 37 #define SPCP8x5_PHILIPS_VID 0x0471 38 #define SPCP8x5_PHILIPS_PID 0x081e 39 #define SPCP8x5_INTERMATIC_VID 0x04FC 40 #define SPCP8x5_INTERMATIC_PID 0x0204 41 #define SPCP8x5_835_VID 0x04fc 42 #define SPCP8x5_835_PID 0x0231 43 44 static const struct usb_device_id id_table[] = { 45 { USB_DEVICE(SPCP8x5_PHILIPS_VID , SPCP8x5_PHILIPS_PID)}, 46 { USB_DEVICE(SPCP8x5_INTERMATIC_VID, SPCP8x5_INTERMATIC_PID)}, 47 { USB_DEVICE(SPCP8x5_835_VID, SPCP8x5_835_PID)}, 48 { USB_DEVICE(SPCP8x5_008_VID, SPCP8x5_008_PID)}, 49 { USB_DEVICE(SPCP8x5_007_VID, SPCP8x5_007_PID)}, 50 { } /* Terminating entry */ 51 }; 52 MODULE_DEVICE_TABLE(usb, id_table); 53 54 struct spcp8x5_usb_ctrl_arg { 55 u8 type; 56 u8 cmd; 57 u8 cmd_type; 58 u16 value; 59 u16 index; 60 u16 length; 61 }; 62 63 64 /* spcp8x5 spec register define */ 65 #define MCR_CONTROL_LINE_RTS 0x02 66 #define MCR_CONTROL_LINE_DTR 0x01 67 #define MCR_DTR 0x01 68 #define MCR_RTS 0x02 69 70 #define MSR_STATUS_LINE_DCD 0x80 71 #define MSR_STATUS_LINE_RI 0x40 72 #define MSR_STATUS_LINE_DSR 0x20 73 #define MSR_STATUS_LINE_CTS 0x10 74 75 /* verdor command here , we should define myself */ 76 #define SET_DEFAULT 0x40 77 #define SET_DEFAULT_TYPE 0x20 78 79 #define SET_UART_FORMAT 0x40 80 #define SET_UART_FORMAT_TYPE 0x21 81 #define SET_UART_FORMAT_SIZE_5 0x00 82 #define SET_UART_FORMAT_SIZE_6 0x01 83 #define SET_UART_FORMAT_SIZE_7 0x02 84 #define SET_UART_FORMAT_SIZE_8 0x03 85 #define SET_UART_FORMAT_STOP_1 0x00 86 #define SET_UART_FORMAT_STOP_2 0x04 87 #define SET_UART_FORMAT_PAR_NONE 0x00 88 #define SET_UART_FORMAT_PAR_ODD 0x10 89 #define SET_UART_FORMAT_PAR_EVEN 0x30 90 #define SET_UART_FORMAT_PAR_MASK 0xD0 91 #define SET_UART_FORMAT_PAR_SPACE 0x90 92 93 #define GET_UART_STATUS_TYPE 0xc0 94 #define GET_UART_STATUS 0x22 95 #define GET_UART_STATUS_MSR 0x06 96 97 #define SET_UART_STATUS 0x40 98 #define SET_UART_STATUS_TYPE 0x23 99 #define SET_UART_STATUS_MCR 0x0004 100 #define SET_UART_STATUS_MCR_DTR 0x01 101 #define SET_UART_STATUS_MCR_RTS 0x02 102 #define SET_UART_STATUS_MCR_LOOP 0x10 103 104 #define SET_WORKING_MODE 0x40 105 #define SET_WORKING_MODE_TYPE 0x24 106 #define SET_WORKING_MODE_U2C 0x00 107 #define SET_WORKING_MODE_RS485 0x01 108 #define SET_WORKING_MODE_PDMA 0x02 109 #define SET_WORKING_MODE_SPP 0x03 110 111 #define SET_FLOWCTL_CHAR 0x40 112 #define SET_FLOWCTL_CHAR_TYPE 0x25 113 114 #define GET_VERSION 0xc0 115 #define GET_VERSION_TYPE 0x26 116 117 #define SET_REGISTER 0x40 118 #define SET_REGISTER_TYPE 0x27 119 120 #define GET_REGISTER 0xc0 121 #define GET_REGISTER_TYPE 0x28 122 123 #define SET_RAM 0x40 124 #define SET_RAM_TYPE 0x31 125 126 #define GET_RAM 0xc0 127 #define GET_RAM_TYPE 0x32 128 129 /* how come ??? */ 130 #define UART_STATE 0x08 131 #define UART_STATE_TRANSIENT_MASK 0x75 132 #define UART_DCD 0x01 133 #define UART_DSR 0x02 134 #define UART_BREAK_ERROR 0x04 135 #define UART_RING 0x08 136 #define UART_FRAME_ERROR 0x10 137 #define UART_PARITY_ERROR 0x20 138 #define UART_OVERRUN_ERROR 0x40 139 #define UART_CTS 0x80 140 141 enum spcp8x5_type { 142 SPCP825_007_TYPE, 143 SPCP825_008_TYPE, 144 SPCP825_PHILIP_TYPE, 145 SPCP825_INTERMATIC_TYPE, 146 SPCP835_TYPE, 147 }; 148 149 struct spcp8x5_private { 150 spinlock_t lock; 151 enum spcp8x5_type type; 152 wait_queue_head_t delta_msr_wait; 153 u8 line_control; 154 u8 line_status; 155 }; 156 157 static int spcp8x5_port_probe(struct usb_serial_port *port) 158 { 159 struct usb_serial *serial = port->serial; 160 struct spcp8x5_private *priv; 161 enum spcp8x5_type type = SPCP825_007_TYPE; 162 u16 product = le16_to_cpu(serial->dev->descriptor.idProduct); 163 164 if (product == 0x0201) 165 type = SPCP825_007_TYPE; 166 else if (product == 0x0231) 167 type = SPCP835_TYPE; 168 else if (product == 0x0235) 169 type = SPCP825_008_TYPE; 170 else if (product == 0x0204) 171 type = SPCP825_INTERMATIC_TYPE; 172 else if (product == 0x0471 && 173 serial->dev->descriptor.idVendor == cpu_to_le16(0x081e)) 174 type = SPCP825_PHILIP_TYPE; 175 dev_dbg(&serial->dev->dev, "device type = %d\n", (int)type); 176 177 priv = kzalloc(sizeof(*priv), GFP_KERNEL); 178 if (!priv) 179 return -ENOMEM; 180 181 spin_lock_init(&priv->lock); 182 init_waitqueue_head(&priv->delta_msr_wait); 183 priv->type = type; 184 185 usb_set_serial_port_data(port , priv); 186 187 return 0; 188 } 189 190 static int spcp8x5_port_remove(struct usb_serial_port *port) 191 { 192 struct spcp8x5_private *priv; 193 194 priv = usb_get_serial_port_data(port); 195 kfree(priv); 196 197 return 0; 198 } 199 200 /* set the modem control line of the device. 201 * NOTE spcp825-007 not supported this */ 202 static int spcp8x5_set_ctrlLine(struct usb_device *dev, u8 value, 203 enum spcp8x5_type type) 204 { 205 int retval; 206 u8 mcr = 0 ; 207 208 if (type == SPCP825_007_TYPE) 209 return -EPERM; 210 211 mcr = (unsigned short)value; 212 retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 213 SET_UART_STATUS_TYPE, SET_UART_STATUS, 214 mcr, 0x04, NULL, 0, 100); 215 if (retval != 0) 216 dev_dbg(&dev->dev, "usb_control_msg return %#x\n", retval); 217 return retval; 218 } 219 220 /* get the modem status register of the device 221 * NOTE spcp825-007 not supported this */ 222 static int spcp8x5_get_msr(struct usb_device *dev, u8 *status, 223 enum spcp8x5_type type) 224 { 225 u8 *status_buffer; 226 int ret; 227 228 /* I return Permited not support here but seem inval device 229 * is more fix */ 230 if (type == SPCP825_007_TYPE) 231 return -EPERM; 232 if (status == NULL) 233 return -EINVAL; 234 235 status_buffer = kmalloc(1, GFP_KERNEL); 236 if (!status_buffer) 237 return -ENOMEM; 238 status_buffer[0] = status[0]; 239 240 ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 241 GET_UART_STATUS, GET_UART_STATUS_TYPE, 242 0, GET_UART_STATUS_MSR, status_buffer, 1, 100); 243 if (ret < 0) 244 dev_dbg(&dev->dev, "Get MSR = 0x%p failed (error = %d)", 245 status_buffer, ret); 246 247 dev_dbg(&dev->dev, "0xc0:0x22:0:6 %d - 0x%p ", ret, status_buffer); 248 status[0] = status_buffer[0]; 249 kfree(status_buffer); 250 251 return ret; 252 } 253 254 /* select the work mode. 255 * NOTE this function not supported by spcp825-007 */ 256 static void spcp8x5_set_workMode(struct usb_device *dev, u16 value, 257 u16 index, enum spcp8x5_type type) 258 { 259 int ret; 260 261 /* I return Permited not support here but seem inval device 262 * is more fix */ 263 if (type == SPCP825_007_TYPE) 264 return; 265 266 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 267 SET_WORKING_MODE_TYPE, SET_WORKING_MODE, 268 value, index, NULL, 0, 100); 269 dev_dbg(&dev->dev, "value = %#x , index = %#x\n", value, index); 270 if (ret < 0) 271 dev_dbg(&dev->dev, 272 "RTSCTS usb_control_msg(enable flowctrl) = %d\n", ret); 273 } 274 275 static int spcp8x5_carrier_raised(struct usb_serial_port *port) 276 { 277 struct spcp8x5_private *priv = usb_get_serial_port_data(port); 278 if (priv->line_status & MSR_STATUS_LINE_DCD) 279 return 1; 280 return 0; 281 } 282 283 static void spcp8x5_dtr_rts(struct usb_serial_port *port, int on) 284 { 285 struct spcp8x5_private *priv = usb_get_serial_port_data(port); 286 unsigned long flags; 287 u8 control; 288 289 spin_lock_irqsave(&priv->lock, flags); 290 if (on) 291 priv->line_control = MCR_CONTROL_LINE_DTR 292 | MCR_CONTROL_LINE_RTS; 293 else 294 priv->line_control &= ~ (MCR_CONTROL_LINE_DTR 295 | MCR_CONTROL_LINE_RTS); 296 control = priv->line_control; 297 spin_unlock_irqrestore(&priv->lock, flags); 298 spcp8x5_set_ctrlLine(port->serial->dev, control , priv->type); 299 } 300 301 static void spcp8x5_init_termios(struct tty_struct *tty) 302 { 303 /* for the 1st time call this function */ 304 tty->termios = tty_std_termios; 305 tty->termios.c_cflag = B115200 | CS8 | CREAD | HUPCL | CLOCAL; 306 tty->termios.c_ispeed = 115200; 307 tty->termios.c_ospeed = 115200; 308 } 309 310 /* set the serial param for transfer. we should check if we really need to 311 * transfer. if we set flow control we should do this too. */ 312 static void spcp8x5_set_termios(struct tty_struct *tty, 313 struct usb_serial_port *port, struct ktermios *old_termios) 314 { 315 struct usb_serial *serial = port->serial; 316 struct spcp8x5_private *priv = usb_get_serial_port_data(port); 317 unsigned long flags; 318 unsigned int cflag = tty->termios.c_cflag; 319 unsigned int old_cflag = old_termios->c_cflag; 320 unsigned short uartdata; 321 unsigned char buf[2] = {0, 0}; 322 int baud; 323 int i; 324 u8 control; 325 326 327 /* check that they really want us to change something */ 328 if (!tty_termios_hw_change(&tty->termios, old_termios)) 329 return; 330 331 /* set DTR/RTS active */ 332 spin_lock_irqsave(&priv->lock, flags); 333 control = priv->line_control; 334 if ((old_cflag & CBAUD) == B0) { 335 priv->line_control |= MCR_DTR; 336 if (!(old_cflag & CRTSCTS)) 337 priv->line_control |= MCR_RTS; 338 } 339 if (control != priv->line_control) { 340 control = priv->line_control; 341 spin_unlock_irqrestore(&priv->lock, flags); 342 spcp8x5_set_ctrlLine(serial->dev, control , priv->type); 343 } else { 344 spin_unlock_irqrestore(&priv->lock, flags); 345 } 346 347 /* Set Baud Rate */ 348 baud = tty_get_baud_rate(tty); 349 switch (baud) { 350 case 300: buf[0] = 0x00; break; 351 case 600: buf[0] = 0x01; break; 352 case 1200: buf[0] = 0x02; break; 353 case 2400: buf[0] = 0x03; break; 354 case 4800: buf[0] = 0x04; break; 355 case 9600: buf[0] = 0x05; break; 356 case 19200: buf[0] = 0x07; break; 357 case 38400: buf[0] = 0x09; break; 358 case 57600: buf[0] = 0x0a; break; 359 case 115200: buf[0] = 0x0b; break; 360 case 230400: buf[0] = 0x0c; break; 361 case 460800: buf[0] = 0x0d; break; 362 case 921600: buf[0] = 0x0e; break; 363 /* case 1200000: buf[0] = 0x0f; break; */ 364 /* case 2400000: buf[0] = 0x10; break; */ 365 case 3000000: buf[0] = 0x11; break; 366 /* case 6000000: buf[0] = 0x12; break; */ 367 case 0: 368 case 1000000: 369 buf[0] = 0x0b; break; 370 default: 371 dev_err(&port->dev, "spcp825 driver does not support the " 372 "baudrate requested, using default of 9600.\n"); 373 } 374 375 /* Set Data Length : 00:5bit, 01:6bit, 10:7bit, 11:8bit */ 376 if (cflag & CSIZE) { 377 switch (cflag & CSIZE) { 378 case CS5: 379 buf[1] |= SET_UART_FORMAT_SIZE_5; 380 break; 381 case CS6: 382 buf[1] |= SET_UART_FORMAT_SIZE_6; 383 break; 384 case CS7: 385 buf[1] |= SET_UART_FORMAT_SIZE_7; 386 break; 387 default: 388 case CS8: 389 buf[1] |= SET_UART_FORMAT_SIZE_8; 390 break; 391 } 392 } 393 394 /* Set Stop bit2 : 0:1bit 1:2bit */ 395 buf[1] |= (cflag & CSTOPB) ? SET_UART_FORMAT_STOP_2 : 396 SET_UART_FORMAT_STOP_1; 397 398 /* Set Parity bit3-4 01:Odd 11:Even */ 399 if (cflag & PARENB) { 400 buf[1] |= (cflag & PARODD) ? 401 SET_UART_FORMAT_PAR_ODD : SET_UART_FORMAT_PAR_EVEN ; 402 } else 403 buf[1] |= SET_UART_FORMAT_PAR_NONE; 404 405 uartdata = buf[0] | buf[1]<<8; 406 407 i = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 408 SET_UART_FORMAT_TYPE, SET_UART_FORMAT, 409 uartdata, 0, NULL, 0, 100); 410 if (i < 0) 411 dev_err(&port->dev, "Set UART format %#x failed (error = %d)\n", 412 uartdata, i); 413 dev_dbg(&port->dev, "0x21:0x40:0:0 %d\n", i); 414 415 if (cflag & CRTSCTS) { 416 /* enable hardware flow control */ 417 spcp8x5_set_workMode(serial->dev, 0x000a, 418 SET_WORKING_MODE_U2C, priv->type); 419 } 420 } 421 422 /* open the serial port. do some usb system call. set termios and get the line 423 * status of the device. */ 424 static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port) 425 { 426 struct ktermios tmp_termios; 427 struct usb_serial *serial = port->serial; 428 struct spcp8x5_private *priv = usb_get_serial_port_data(port); 429 int ret; 430 unsigned long flags; 431 u8 status = 0x30; 432 /* status 0x30 means DSR and CTS = 1 other CDC RI and delta = 0 */ 433 434 usb_clear_halt(serial->dev, port->write_urb->pipe); 435 usb_clear_halt(serial->dev, port->read_urb->pipe); 436 437 ret = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 438 0x09, 0x00, 439 0x01, 0x00, NULL, 0x00, 100); 440 if (ret) 441 return ret; 442 443 spcp8x5_set_ctrlLine(serial->dev, priv->line_control , priv->type); 444 445 /* Setup termios */ 446 if (tty) 447 spcp8x5_set_termios(tty, port, &tmp_termios); 448 449 spcp8x5_get_msr(serial->dev, &status, priv->type); 450 451 /* may be we should update uart status here but now we did not do */ 452 spin_lock_irqsave(&priv->lock, flags); 453 priv->line_status = status & 0xf0 ; 454 spin_unlock_irqrestore(&priv->lock, flags); 455 456 port->port.drain_delay = 256; 457 458 return usb_serial_generic_open(tty, port); 459 } 460 461 static void spcp8x5_process_read_urb(struct urb *urb) 462 { 463 struct usb_serial_port *port = urb->context; 464 struct spcp8x5_private *priv = usb_get_serial_port_data(port); 465 struct tty_struct *tty; 466 unsigned char *data = urb->transfer_buffer; 467 unsigned long flags; 468 u8 status; 469 char tty_flag; 470 471 /* get tty_flag from status */ 472 tty_flag = TTY_NORMAL; 473 474 spin_lock_irqsave(&priv->lock, flags); 475 status = priv->line_status; 476 priv->line_status &= ~UART_STATE_TRANSIENT_MASK; 477 spin_unlock_irqrestore(&priv->lock, flags); 478 /* wake up the wait for termios */ 479 wake_up_interruptible(&priv->delta_msr_wait); 480 481 if (!urb->actual_length) 482 return; 483 484 tty = tty_port_tty_get(&port->port); 485 if (!tty) 486 return; 487 488 if (status & UART_STATE_TRANSIENT_MASK) { 489 /* break takes precedence over parity, which takes precedence 490 * over framing errors */ 491 if (status & UART_BREAK_ERROR) 492 tty_flag = TTY_BREAK; 493 else if (status & UART_PARITY_ERROR) 494 tty_flag = TTY_PARITY; 495 else if (status & UART_FRAME_ERROR) 496 tty_flag = TTY_FRAME; 497 dev_dbg(&port->dev, "tty_flag = %d\n", tty_flag); 498 499 /* overrun is special, not associated with a char */ 500 if (status & UART_OVERRUN_ERROR) 501 tty_insert_flip_char(tty, 0, TTY_OVERRUN); 502 503 if (status & UART_DCD) 504 usb_serial_handle_dcd_change(port, tty, 505 priv->line_status & MSR_STATUS_LINE_DCD); 506 } 507 508 tty_insert_flip_string_fixed_flag(tty, data, tty_flag, 509 urb->actual_length); 510 tty_flip_buffer_push(tty); 511 tty_kref_put(tty); 512 } 513 514 static int spcp8x5_wait_modem_info(struct usb_serial_port *port, 515 unsigned int arg) 516 { 517 struct spcp8x5_private *priv = usb_get_serial_port_data(port); 518 unsigned long flags; 519 unsigned int prevstatus; 520 unsigned int status; 521 unsigned int changed; 522 523 spin_lock_irqsave(&priv->lock, flags); 524 prevstatus = priv->line_status; 525 spin_unlock_irqrestore(&priv->lock, flags); 526 527 while (1) { 528 /* wake up in bulk read */ 529 interruptible_sleep_on(&priv->delta_msr_wait); 530 531 /* see if a signal did it */ 532 if (signal_pending(current)) 533 return -ERESTARTSYS; 534 535 spin_lock_irqsave(&priv->lock, flags); 536 status = priv->line_status; 537 spin_unlock_irqrestore(&priv->lock, flags); 538 539 changed = prevstatus^status; 540 541 if (((arg & TIOCM_RNG) && (changed & MSR_STATUS_LINE_RI)) || 542 ((arg & TIOCM_DSR) && (changed & MSR_STATUS_LINE_DSR)) || 543 ((arg & TIOCM_CD) && (changed & MSR_STATUS_LINE_DCD)) || 544 ((arg & TIOCM_CTS) && (changed & MSR_STATUS_LINE_CTS))) 545 return 0; 546 547 prevstatus = status; 548 } 549 /* NOTREACHED */ 550 return 0; 551 } 552 553 static int spcp8x5_ioctl(struct tty_struct *tty, 554 unsigned int cmd, unsigned long arg) 555 { 556 struct usb_serial_port *port = tty->driver_data; 557 558 dev_dbg(&port->dev, "%s (%d) cmd = 0x%04x\n", __func__, 559 port->number, cmd); 560 561 switch (cmd) { 562 case TIOCMIWAIT: 563 dev_dbg(&port->dev, "%s (%d) TIOCMIWAIT\n", __func__, 564 port->number); 565 return spcp8x5_wait_modem_info(port, arg); 566 567 default: 568 dev_dbg(&port->dev, "%s not supported = 0x%04x", __func__, 569 cmd); 570 break; 571 } 572 573 return -ENOIOCTLCMD; 574 } 575 576 static int spcp8x5_tiocmset(struct tty_struct *tty, 577 unsigned int set, unsigned int clear) 578 { 579 struct usb_serial_port *port = tty->driver_data; 580 struct spcp8x5_private *priv = usb_get_serial_port_data(port); 581 unsigned long flags; 582 u8 control; 583 584 spin_lock_irqsave(&priv->lock, flags); 585 if (set & TIOCM_RTS) 586 priv->line_control |= MCR_RTS; 587 if (set & TIOCM_DTR) 588 priv->line_control |= MCR_DTR; 589 if (clear & TIOCM_RTS) 590 priv->line_control &= ~MCR_RTS; 591 if (clear & TIOCM_DTR) 592 priv->line_control &= ~MCR_DTR; 593 control = priv->line_control; 594 spin_unlock_irqrestore(&priv->lock, flags); 595 596 return spcp8x5_set_ctrlLine(port->serial->dev, control , priv->type); 597 } 598 599 static int spcp8x5_tiocmget(struct tty_struct *tty) 600 { 601 struct usb_serial_port *port = tty->driver_data; 602 struct spcp8x5_private *priv = usb_get_serial_port_data(port); 603 unsigned long flags; 604 unsigned int mcr; 605 unsigned int status; 606 unsigned int result; 607 608 spin_lock_irqsave(&priv->lock, flags); 609 mcr = priv->line_control; 610 status = priv->line_status; 611 spin_unlock_irqrestore(&priv->lock, flags); 612 613 result = ((mcr & MCR_DTR) ? TIOCM_DTR : 0) 614 | ((mcr & MCR_RTS) ? TIOCM_RTS : 0) 615 | ((status & MSR_STATUS_LINE_CTS) ? TIOCM_CTS : 0) 616 | ((status & MSR_STATUS_LINE_DSR) ? TIOCM_DSR : 0) 617 | ((status & MSR_STATUS_LINE_RI) ? TIOCM_RI : 0) 618 | ((status & MSR_STATUS_LINE_DCD) ? TIOCM_CD : 0); 619 620 return result; 621 } 622 623 /* All of the device info needed for the spcp8x5 SIO serial converter */ 624 static struct usb_serial_driver spcp8x5_device = { 625 .driver = { 626 .owner = THIS_MODULE, 627 .name = "SPCP8x5", 628 }, 629 .id_table = id_table, 630 .num_ports = 1, 631 .open = spcp8x5_open, 632 .dtr_rts = spcp8x5_dtr_rts, 633 .carrier_raised = spcp8x5_carrier_raised, 634 .set_termios = spcp8x5_set_termios, 635 .init_termios = spcp8x5_init_termios, 636 .ioctl = spcp8x5_ioctl, 637 .tiocmget = spcp8x5_tiocmget, 638 .tiocmset = spcp8x5_tiocmset, 639 .port_probe = spcp8x5_port_probe, 640 .port_remove = spcp8x5_port_remove, 641 .process_read_urb = spcp8x5_process_read_urb, 642 }; 643 644 static struct usb_serial_driver * const serial_drivers[] = { 645 &spcp8x5_device, NULL 646 }; 647 648 module_usb_serial_driver(serial_drivers, id_table); 649 650 MODULE_DESCRIPTION(DRIVER_DESC); 651 MODULE_LICENSE("GPL"); 652