1// SPDX-License-Identifier: GPL-2.0+ 2/* 3 Keyspan USB to Serial Converter driver 4 5 (C) Copyright (C) 2000-2001 Hugh Blemings <hugh@blemings.org> 6 (C) Copyright (C) 2002 Greg Kroah-Hartman <greg@kroah.com> 7 8 See http://blemings.org/hugh/keyspan.html for more information. 9 10 Code in this driver inspired by and in a number of places taken 11 from Brian Warner's original Keyspan-PDA driver. 12 13 This driver has been put together with the support of Innosys, Inc. 14 and Keyspan, Inc the manufacturers of the Keyspan USB-serial products. 15 Thanks Guys :) 16 17 Thanks to Paulus for miscellaneous tidy ups, some largish chunks 18 of much nicer and/or completely new code and (perhaps most uniquely) 19 having the patience to sit down and explain why and where he'd changed 20 stuff. 21 22 Tip 'o the hat to IBM (and previously Linuxcare :) for supporting 23 staff in their work on open source projects. 24*/ 25 26 27#include <linux/kernel.h> 28#include <linux/jiffies.h> 29#include <linux/errno.h> 30#include <linux/slab.h> 31#include <linux/tty.h> 32#include <linux/tty_driver.h> 33#include <linux/tty_flip.h> 34#include <linux/module.h> 35#include <linux/spinlock.h> 36#include <linux/uaccess.h> 37#include <linux/usb.h> 38#include <linux/usb/serial.h> 39#include <linux/usb/ezusb.h> 40 41#define DRIVER_AUTHOR "Hugh Blemings <hugh@misc.nu" 42#define DRIVER_DESC "Keyspan USB to Serial Converter Driver" 43 44static void keyspan_send_setup(struct usb_serial_port *port, int reset_port); 45 46static int keyspan_usa19_calc_baud(struct usb_serial_port *port, 47 u32 baud_rate, u32 baudclk, 48 u8 *rate_hi, u8 *rate_low, 49 u8 *prescaler, int portnum); 50static int keyspan_usa19w_calc_baud(struct usb_serial_port *port, 51 u32 baud_rate, u32 baudclk, 52 u8 *rate_hi, u8 *rate_low, 53 u8 *prescaler, int portnum); 54static int keyspan_usa28_calc_baud(struct usb_serial_port *port, 55 u32 baud_rate, u32 baudclk, 56 u8 *rate_hi, u8 *rate_low, 57 u8 *prescaler, int portnum); 58static int keyspan_usa19hs_calc_baud(struct usb_serial_port *port, 59 u32 baud_rate, u32 baudclk, 60 u8 *rate_hi, u8 *rate_low, 61 u8 *prescaler, int portnum); 62 63static int keyspan_usa28_send_setup(struct usb_serial *serial, 64 struct usb_serial_port *port, 65 int reset_port); 66static int keyspan_usa26_send_setup(struct usb_serial *serial, 67 struct usb_serial_port *port, 68 int reset_port); 69static int keyspan_usa49_send_setup(struct usb_serial *serial, 70 struct usb_serial_port *port, 71 int reset_port); 72static int keyspan_usa90_send_setup(struct usb_serial *serial, 73 struct usb_serial_port *port, 74 int reset_port); 75static int keyspan_usa67_send_setup(struct usb_serial *serial, 76 struct usb_serial_port *port, 77 int reset_port); 78 79/* Values used for baud rate calculation - device specific */ 80#define KEYSPAN_INVALID_BAUD_RATE (-1) 81#define KEYSPAN_BAUD_RATE_OK (0) 82#define KEYSPAN_USA18X_BAUDCLK (12000000L) /* a guess */ 83#define KEYSPAN_USA19_BAUDCLK (12000000L) 84#define KEYSPAN_USA19W_BAUDCLK (24000000L) 85#define KEYSPAN_USA19HS_BAUDCLK (14769231L) 86#define KEYSPAN_USA28_BAUDCLK (1843200L) 87#define KEYSPAN_USA28X_BAUDCLK (12000000L) 88#define KEYSPAN_USA49W_BAUDCLK (48000000L) 89 90/* Some constants used to characterise each device. */ 91#define KEYSPAN_MAX_NUM_PORTS (4) 92#define KEYSPAN_MAX_FLIPS (2) 93 94/* 95 * Device info for the Keyspan serial converter, used by the overall 96 * usb-serial probe function. 97 */ 98#define KEYSPAN_VENDOR_ID (0x06cd) 99 100/* Product IDs for the products supported, pre-renumeration */ 101#define keyspan_usa18x_pre_product_id 0x0105 102#define keyspan_usa19_pre_product_id 0x0103 103#define keyspan_usa19qi_pre_product_id 0x010b 104#define keyspan_mpr_pre_product_id 0x011b 105#define keyspan_usa19qw_pre_product_id 0x0118 106#define keyspan_usa19w_pre_product_id 0x0106 107#define keyspan_usa28_pre_product_id 0x0101 108#define keyspan_usa28x_pre_product_id 0x0102 109#define keyspan_usa28xa_pre_product_id 0x0114 110#define keyspan_usa28xb_pre_product_id 0x0113 111#define keyspan_usa49w_pre_product_id 0x0109 112#define keyspan_usa49wlc_pre_product_id 0x011a 113 114/* 115 * Product IDs post-renumeration. Note that the 28x and 28xb have the same 116 * id's post-renumeration but behave identically so it's not an issue. As 117 * such, the 28xb is not listed in any of the device tables. 118 */ 119#define keyspan_usa18x_product_id 0x0112 120#define keyspan_usa19_product_id 0x0107 121#define keyspan_usa19qi_product_id 0x010c 122#define keyspan_usa19hs_product_id 0x0121 123#define keyspan_mpr_product_id 0x011c 124#define keyspan_usa19qw_product_id 0x0119 125#define keyspan_usa19w_product_id 0x0108 126#define keyspan_usa28_product_id 0x010f 127#define keyspan_usa28x_product_id 0x0110 128#define keyspan_usa28xa_product_id 0x0115 129#define keyspan_usa28xb_product_id 0x0110 130#define keyspan_usa28xg_product_id 0x0135 131#define keyspan_usa49w_product_id 0x010a 132#define keyspan_usa49wlc_product_id 0x012a 133#define keyspan_usa49wg_product_id 0x0131 134 135struct keyspan_device_details { 136 /* product ID value */ 137 int product_id; 138 139 enum {msg_usa26, msg_usa28, msg_usa49, msg_usa90, msg_usa67} msg_format; 140 141 /* Number of physical ports */ 142 int num_ports; 143 144 /* 1 if endpoint flipping used on input, 0 if not */ 145 int indat_endp_flip; 146 147 /* 1 if endpoint flipping used on output, 0 if not */ 148 int outdat_endp_flip; 149 150 /* 151 * Table mapping input data endpoint IDs to physical port 152 * number and flip if used 153 */ 154 int indat_endpoints[KEYSPAN_MAX_NUM_PORTS]; 155 156 /* Same for output endpoints */ 157 int outdat_endpoints[KEYSPAN_MAX_NUM_PORTS]; 158 159 /* Input acknowledge endpoints */ 160 int inack_endpoints[KEYSPAN_MAX_NUM_PORTS]; 161 162 /* Output control endpoints */ 163 int outcont_endpoints[KEYSPAN_MAX_NUM_PORTS]; 164 165 /* Endpoint used for input status */ 166 int instat_endpoint; 167 168 /* Endpoint used for input data 49WG only */ 169 int indat_endpoint; 170 171 /* Endpoint used for global control functions */ 172 int glocont_endpoint; 173 174 int (*calculate_baud_rate)(struct usb_serial_port *port, 175 u32 baud_rate, u32 baudclk, 176 u8 *rate_hi, u8 *rate_low, u8 *prescaler, 177 int portnum); 178 u32 baudclk; 179}; 180 181/* 182 * Now for each device type we setup the device detail structure with the 183 * appropriate information (provided in Keyspan's documentation) 184 */ 185 186static const struct keyspan_device_details usa18x_device_details = { 187 .product_id = keyspan_usa18x_product_id, 188 .msg_format = msg_usa26, 189 .num_ports = 1, 190 .indat_endp_flip = 0, 191 .outdat_endp_flip = 1, 192 .indat_endpoints = {0x81}, 193 .outdat_endpoints = {0x01}, 194 .inack_endpoints = {0x85}, 195 .outcont_endpoints = {0x05}, 196 .instat_endpoint = 0x87, 197 .indat_endpoint = -1, 198 .glocont_endpoint = 0x07, 199 .calculate_baud_rate = keyspan_usa19w_calc_baud, 200 .baudclk = KEYSPAN_USA18X_BAUDCLK, 201}; 202 203static const struct keyspan_device_details usa19_device_details = { 204 .product_id = keyspan_usa19_product_id, 205 .msg_format = msg_usa28, 206 .num_ports = 1, 207 .indat_endp_flip = 1, 208 .outdat_endp_flip = 1, 209 .indat_endpoints = {0x81}, 210 .outdat_endpoints = {0x01}, 211 .inack_endpoints = {0x83}, 212 .outcont_endpoints = {0x03}, 213 .instat_endpoint = 0x84, 214 .indat_endpoint = -1, 215 .glocont_endpoint = -1, 216 .calculate_baud_rate = keyspan_usa19_calc_baud, 217 .baudclk = KEYSPAN_USA19_BAUDCLK, 218}; 219 220static const struct keyspan_device_details usa19qi_device_details = { 221 .product_id = keyspan_usa19qi_product_id, 222 .msg_format = msg_usa28, 223 .num_ports = 1, 224 .indat_endp_flip = 1, 225 .outdat_endp_flip = 1, 226 .indat_endpoints = {0x81}, 227 .outdat_endpoints = {0x01}, 228 .inack_endpoints = {0x83}, 229 .outcont_endpoints = {0x03}, 230 .instat_endpoint = 0x84, 231 .indat_endpoint = -1, 232 .glocont_endpoint = -1, 233 .calculate_baud_rate = keyspan_usa28_calc_baud, 234 .baudclk = KEYSPAN_USA19_BAUDCLK, 235}; 236 237static const struct keyspan_device_details mpr_device_details = { 238 .product_id = keyspan_mpr_product_id, 239 .msg_format = msg_usa28, 240 .num_ports = 1, 241 .indat_endp_flip = 1, 242 .outdat_endp_flip = 1, 243 .indat_endpoints = {0x81}, 244 .outdat_endpoints = {0x01}, 245 .inack_endpoints = {0x83}, 246 .outcont_endpoints = {0x03}, 247 .instat_endpoint = 0x84, 248 .indat_endpoint = -1, 249 .glocont_endpoint = -1, 250 .calculate_baud_rate = keyspan_usa28_calc_baud, 251 .baudclk = KEYSPAN_USA19_BAUDCLK, 252}; 253 254static const struct keyspan_device_details usa19qw_device_details = { 255 .product_id = keyspan_usa19qw_product_id, 256 .msg_format = msg_usa26, 257 .num_ports = 1, 258 .indat_endp_flip = 0, 259 .outdat_endp_flip = 1, 260 .indat_endpoints = {0x81}, 261 .outdat_endpoints = {0x01}, 262 .inack_endpoints = {0x85}, 263 .outcont_endpoints = {0x05}, 264 .instat_endpoint = 0x87, 265 .indat_endpoint = -1, 266 .glocont_endpoint = 0x07, 267 .calculate_baud_rate = keyspan_usa19w_calc_baud, 268 .baudclk = KEYSPAN_USA19W_BAUDCLK, 269}; 270 271static const struct keyspan_device_details usa19w_device_details = { 272 .product_id = keyspan_usa19w_product_id, 273 .msg_format = msg_usa26, 274 .num_ports = 1, 275 .indat_endp_flip = 0, 276 .outdat_endp_flip = 1, 277 .indat_endpoints = {0x81}, 278 .outdat_endpoints = {0x01}, 279 .inack_endpoints = {0x85}, 280 .outcont_endpoints = {0x05}, 281 .instat_endpoint = 0x87, 282 .indat_endpoint = -1, 283 .glocont_endpoint = 0x07, 284 .calculate_baud_rate = keyspan_usa19w_calc_baud, 285 .baudclk = KEYSPAN_USA19W_BAUDCLK, 286}; 287 288static const struct keyspan_device_details usa19hs_device_details = { 289 .product_id = keyspan_usa19hs_product_id, 290 .msg_format = msg_usa90, 291 .num_ports = 1, 292 .indat_endp_flip = 0, 293 .outdat_endp_flip = 0, 294 .indat_endpoints = {0x81}, 295 .outdat_endpoints = {0x01}, 296 .inack_endpoints = {-1}, 297 .outcont_endpoints = {0x02}, 298 .instat_endpoint = 0x82, 299 .indat_endpoint = -1, 300 .glocont_endpoint = -1, 301 .calculate_baud_rate = keyspan_usa19hs_calc_baud, 302 .baudclk = KEYSPAN_USA19HS_BAUDCLK, 303}; 304 305static const struct keyspan_device_details usa28_device_details = { 306 .product_id = keyspan_usa28_product_id, 307 .msg_format = msg_usa28, 308 .num_ports = 2, 309 .indat_endp_flip = 1, 310 .outdat_endp_flip = 1, 311 .indat_endpoints = {0x81, 0x83}, 312 .outdat_endpoints = {0x01, 0x03}, 313 .inack_endpoints = {0x85, 0x86}, 314 .outcont_endpoints = {0x05, 0x06}, 315 .instat_endpoint = 0x87, 316 .indat_endpoint = -1, 317 .glocont_endpoint = 0x07, 318 .calculate_baud_rate = keyspan_usa28_calc_baud, 319 .baudclk = KEYSPAN_USA28_BAUDCLK, 320}; 321 322static const struct keyspan_device_details usa28x_device_details = { 323 .product_id = keyspan_usa28x_product_id, 324 .msg_format = msg_usa26, 325 .num_ports = 2, 326 .indat_endp_flip = 0, 327 .outdat_endp_flip = 1, 328 .indat_endpoints = {0x81, 0x83}, 329 .outdat_endpoints = {0x01, 0x03}, 330 .inack_endpoints = {0x85, 0x86}, 331 .outcont_endpoints = {0x05, 0x06}, 332 .instat_endpoint = 0x87, 333 .indat_endpoint = -1, 334 .glocont_endpoint = 0x07, 335 .calculate_baud_rate = keyspan_usa19w_calc_baud, 336 .baudclk = KEYSPAN_USA28X_BAUDCLK, 337}; 338 339static const struct keyspan_device_details usa28xa_device_details = { 340 .product_id = keyspan_usa28xa_product_id, 341 .msg_format = msg_usa26, 342 .num_ports = 2, 343 .indat_endp_flip = 0, 344 .outdat_endp_flip = 1, 345 .indat_endpoints = {0x81, 0x83}, 346 .outdat_endpoints = {0x01, 0x03}, 347 .inack_endpoints = {0x85, 0x86}, 348 .outcont_endpoints = {0x05, 0x06}, 349 .instat_endpoint = 0x87, 350 .indat_endpoint = -1, 351 .glocont_endpoint = 0x07, 352 .calculate_baud_rate = keyspan_usa19w_calc_baud, 353 .baudclk = KEYSPAN_USA28X_BAUDCLK, 354}; 355 356static const struct keyspan_device_details usa28xg_device_details = { 357 .product_id = keyspan_usa28xg_product_id, 358 .msg_format = msg_usa67, 359 .num_ports = 2, 360 .indat_endp_flip = 0, 361 .outdat_endp_flip = 0, 362 .indat_endpoints = {0x84, 0x88}, 363 .outdat_endpoints = {0x02, 0x06}, 364 .inack_endpoints = {-1, -1}, 365 .outcont_endpoints = {-1, -1}, 366 .instat_endpoint = 0x81, 367 .indat_endpoint = -1, 368 .glocont_endpoint = 0x01, 369 .calculate_baud_rate = keyspan_usa19w_calc_baud, 370 .baudclk = KEYSPAN_USA28X_BAUDCLK, 371}; 372/* 373 * We don't need a separate entry for the usa28xb as it appears as a 28x 374 * anyway. 375 */ 376 377static const struct keyspan_device_details usa49w_device_details = { 378 .product_id = keyspan_usa49w_product_id, 379 .msg_format = msg_usa49, 380 .num_ports = 4, 381 .indat_endp_flip = 0, 382 .outdat_endp_flip = 0, 383 .indat_endpoints = {0x81, 0x82, 0x83, 0x84}, 384 .outdat_endpoints = {0x01, 0x02, 0x03, 0x04}, 385 .inack_endpoints = {-1, -1, -1, -1}, 386 .outcont_endpoints = {-1, -1, -1, -1}, 387 .instat_endpoint = 0x87, 388 .indat_endpoint = -1, 389 .glocont_endpoint = 0x07, 390 .calculate_baud_rate = keyspan_usa19w_calc_baud, 391 .baudclk = KEYSPAN_USA49W_BAUDCLK, 392}; 393 394static const struct keyspan_device_details usa49wlc_device_details = { 395 .product_id = keyspan_usa49wlc_product_id, 396 .msg_format = msg_usa49, 397 .num_ports = 4, 398 .indat_endp_flip = 0, 399 .outdat_endp_flip = 0, 400 .indat_endpoints = {0x81, 0x82, 0x83, 0x84}, 401 .outdat_endpoints = {0x01, 0x02, 0x03, 0x04}, 402 .inack_endpoints = {-1, -1, -1, -1}, 403 .outcont_endpoints = {-1, -1, -1, -1}, 404 .instat_endpoint = 0x87, 405 .indat_endpoint = -1, 406 .glocont_endpoint = 0x07, 407 .calculate_baud_rate = keyspan_usa19w_calc_baud, 408 .baudclk = KEYSPAN_USA19W_BAUDCLK, 409}; 410 411static const struct keyspan_device_details usa49wg_device_details = { 412 .product_id = keyspan_usa49wg_product_id, 413 .msg_format = msg_usa49, 414 .num_ports = 4, 415 .indat_endp_flip = 0, 416 .outdat_endp_flip = 0, 417 .indat_endpoints = {-1, -1, -1, -1}, /* single 'global' data in EP */ 418 .outdat_endpoints = {0x01, 0x02, 0x04, 0x06}, 419 .inack_endpoints = {-1, -1, -1, -1}, 420 .outcont_endpoints = {-1, -1, -1, -1}, 421 .instat_endpoint = 0x81, 422 .indat_endpoint = 0x88, 423 .glocont_endpoint = 0x00, /* uses control EP */ 424 .calculate_baud_rate = keyspan_usa19w_calc_baud, 425 .baudclk = KEYSPAN_USA19W_BAUDCLK, 426}; 427 428static const struct keyspan_device_details *keyspan_devices[] = { 429 &usa18x_device_details, 430 &usa19_device_details, 431 &usa19qi_device_details, 432 &mpr_device_details, 433 &usa19qw_device_details, 434 &usa19w_device_details, 435 &usa19hs_device_details, 436 &usa28_device_details, 437 &usa28x_device_details, 438 &usa28xa_device_details, 439 &usa28xg_device_details, 440 /* 28xb not required as it renumerates as a 28x */ 441 &usa49w_device_details, 442 &usa49wlc_device_details, 443 &usa49wg_device_details, 444 NULL, 445}; 446 447static const struct usb_device_id keyspan_ids_combined[] = { 448 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa18x_pre_product_id) }, 449 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19_pre_product_id) }, 450 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19w_pre_product_id) }, 451 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qi_pre_product_id) }, 452 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qw_pre_product_id) }, 453 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_mpr_pre_product_id) }, 454 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28_pre_product_id) }, 455 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28x_pre_product_id) }, 456 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xa_pre_product_id) }, 457 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xb_pre_product_id) }, 458 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49w_pre_product_id) }, 459 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wlc_pre_product_id) }, 460 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa18x_product_id) }, 461 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19_product_id) }, 462 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19w_product_id) }, 463 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qi_product_id) }, 464 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qw_product_id) }, 465 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19hs_product_id) }, 466 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_mpr_product_id) }, 467 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28_product_id) }, 468 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28x_product_id) }, 469 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xa_product_id) }, 470 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xg_product_id) }, 471 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49w_product_id)}, 472 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wlc_product_id)}, 473 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wg_product_id)}, 474 { } /* Terminating entry */ 475}; 476 477MODULE_DEVICE_TABLE(usb, keyspan_ids_combined); 478 479/* usb_device_id table for the pre-firmware download keyspan devices */ 480static const struct usb_device_id keyspan_pre_ids[] = { 481 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa18x_pre_product_id) }, 482 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19_pre_product_id) }, 483 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qi_pre_product_id) }, 484 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qw_pre_product_id) }, 485 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19w_pre_product_id) }, 486 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_mpr_pre_product_id) }, 487 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28_pre_product_id) }, 488 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28x_pre_product_id) }, 489 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xa_pre_product_id) }, 490 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xb_pre_product_id) }, 491 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49w_pre_product_id) }, 492 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wlc_pre_product_id) }, 493 { } /* Terminating entry */ 494}; 495 496static const struct usb_device_id keyspan_1port_ids[] = { 497 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa18x_product_id) }, 498 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19_product_id) }, 499 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qi_product_id) }, 500 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qw_product_id) }, 501 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19w_product_id) }, 502 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19hs_product_id) }, 503 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_mpr_product_id) }, 504 { } /* Terminating entry */ 505}; 506 507static const struct usb_device_id keyspan_2port_ids[] = { 508 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28_product_id) }, 509 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28x_product_id) }, 510 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xa_product_id) }, 511 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xg_product_id) }, 512 { } /* Terminating entry */ 513}; 514 515static const struct usb_device_id keyspan_4port_ids[] = { 516 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49w_product_id) }, 517 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wlc_product_id)}, 518 { USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wg_product_id)}, 519 { } /* Terminating entry */ 520}; 521 522#define INSTAT_BUFLEN 32 523#define GLOCONT_BUFLEN 64 524#define INDAT49W_BUFLEN 512 525#define IN_BUFLEN 64 526#define OUT_BUFLEN 64 527#define INACK_BUFLEN 1 528#define OUTCONT_BUFLEN 64 529 530 /* Per device and per port private data */ 531struct keyspan_serial_private { 532 const struct keyspan_device_details *device_details; 533 534 struct urb *instat_urb; 535 char *instat_buf; 536 537 /* added to support 49wg, where data from all 4 ports comes in 538 on 1 EP and high-speed supported */ 539 struct urb *indat_urb; 540 char *indat_buf; 541 542 /* XXX this one probably will need a lock */ 543 struct urb *glocont_urb; 544 char *glocont_buf; 545 char *ctrl_buf; /* for EP0 control message */ 546}; 547 548struct keyspan_port_private { 549 /* Keep track of which input & output endpoints to use */ 550 int in_flip; 551 int out_flip; 552 553 /* Keep duplicate of device details in each port 554 structure as well - simplifies some of the 555 callback functions etc. */ 556 const struct keyspan_device_details *device_details; 557 558 /* Input endpoints and buffer for this port */ 559 struct urb *in_urbs[2]; 560 char *in_buffer[2]; 561 /* Output endpoints and buffer for this port */ 562 struct urb *out_urbs[2]; 563 char *out_buffer[2]; 564 565 /* Input ack endpoint */ 566 struct urb *inack_urb; 567 char *inack_buffer; 568 569 /* Output control endpoint */ 570 struct urb *outcont_urb; 571 char *outcont_buffer; 572 573 /* Settings for the port */ 574 int baud; 575 int old_baud; 576 unsigned int cflag; 577 unsigned int old_cflag; 578 enum {flow_none, flow_cts, flow_xon} flow_control; 579 int rts_state; /* Handshaking pins (outputs) */ 580 int dtr_state; 581 int cts_state; /* Handshaking pins (inputs) */ 582 int dsr_state; 583 int dcd_state; 584 int ri_state; 585 int break_on; 586 587 unsigned long tx_start_time[2]; 588 int resend_cont; /* need to resend control packet */ 589}; 590 591/* Include Keyspan message headers. All current Keyspan Adapters 592 make use of one of five message formats which are referred 593 to as USA-26, USA-28, USA-49, USA-90, USA-67 by Keyspan and 594 within this driver. */ 595#include "keyspan_usa26msg.h" 596#include "keyspan_usa28msg.h" 597#include "keyspan_usa49msg.h" 598#include "keyspan_usa90msg.h" 599#include "keyspan_usa67msg.h" 600 601 602static int keyspan_break_ctl(struct tty_struct *tty, int break_state) 603{ 604 struct usb_serial_port *port = tty->driver_data; 605 struct keyspan_port_private *p_priv; 606 607 p_priv = usb_get_serial_port_data(port); 608 609 if (break_state == -1) 610 p_priv->break_on = 1; 611 else 612 p_priv->break_on = 0; 613 614 /* FIXME: return errors */ 615 keyspan_send_setup(port, 0); 616 617 return 0; 618} 619 620 621static void keyspan_set_termios(struct tty_struct *tty, 622 struct usb_serial_port *port, 623 const struct ktermios *old_termios) 624{ 625 int baud_rate, device_port; 626 struct keyspan_port_private *p_priv; 627 const struct keyspan_device_details *d_details; 628 unsigned int cflag; 629 630 p_priv = usb_get_serial_port_data(port); 631 d_details = p_priv->device_details; 632 cflag = tty->termios.c_cflag; 633 device_port = port->port_number; 634 635 /* Baud rate calculation takes baud rate as an integer 636 so other rates can be generated if desired. */ 637 baud_rate = tty_get_baud_rate(tty); 638 /* If no match or invalid, don't change */ 639 if (d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, 640 NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { 641 /* FIXME - more to do here to ensure rate changes cleanly */ 642 /* FIXME - calculate exact rate from divisor ? */ 643 p_priv->baud = baud_rate; 644 } else 645 baud_rate = tty_termios_baud_rate(old_termios); 646 647 tty_encode_baud_rate(tty, baud_rate, baud_rate); 648 /* set CTS/RTS handshake etc. */ 649 p_priv->cflag = cflag; 650 p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; 651 652 /* Mark/Space not supported */ 653 tty->termios.c_cflag &= ~CMSPAR; 654 655 keyspan_send_setup(port, 0); 656} 657 658static int keyspan_tiocmget(struct tty_struct *tty) 659{ 660 struct usb_serial_port *port = tty->driver_data; 661 struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); 662 unsigned int value; 663 664 value = ((p_priv->rts_state) ? TIOCM_RTS : 0) | 665 ((p_priv->dtr_state) ? TIOCM_DTR : 0) | 666 ((p_priv->cts_state) ? TIOCM_CTS : 0) | 667 ((p_priv->dsr_state) ? TIOCM_DSR : 0) | 668 ((p_priv->dcd_state) ? TIOCM_CAR : 0) | 669 ((p_priv->ri_state) ? TIOCM_RNG : 0); 670 671 return value; 672} 673 674static int keyspan_tiocmset(struct tty_struct *tty, 675 unsigned int set, unsigned int clear) 676{ 677 struct usb_serial_port *port = tty->driver_data; 678 struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); 679 680 if (set & TIOCM_RTS) 681 p_priv->rts_state = 1; 682 if (set & TIOCM_DTR) 683 p_priv->dtr_state = 1; 684 if (clear & TIOCM_RTS) 685 p_priv->rts_state = 0; 686 if (clear & TIOCM_DTR) 687 p_priv->dtr_state = 0; 688 keyspan_send_setup(port, 0); 689 return 0; 690} 691 692/* Write function is similar for the four protocols used 693 with only a minor change for usa90 (usa19hs) required */ 694static int keyspan_write(struct tty_struct *tty, 695 struct usb_serial_port *port, const unsigned char *buf, int count) 696{ 697 struct keyspan_port_private *p_priv; 698 const struct keyspan_device_details *d_details; 699 int flip; 700 int left, todo; 701 struct urb *this_urb; 702 int err, maxDataLen, dataOffset; 703 704 p_priv = usb_get_serial_port_data(port); 705 d_details = p_priv->device_details; 706 707 if (d_details->msg_format == msg_usa90) { 708 maxDataLen = 64; 709 dataOffset = 0; 710 } else { 711 maxDataLen = 63; 712 dataOffset = 1; 713 } 714 715 dev_dbg(&port->dev, "%s - %d chars, flip=%d\n", __func__, count, 716 p_priv->out_flip); 717 718 for (left = count; left > 0; left -= todo) { 719 todo = left; 720 if (todo > maxDataLen) 721 todo = maxDataLen; 722 723 flip = p_priv->out_flip; 724 725 /* Check we have a valid urb/endpoint before we use it... */ 726 this_urb = p_priv->out_urbs[flip]; 727 if (this_urb == NULL) { 728 /* no bulk out, so return 0 bytes written */ 729 dev_dbg(&port->dev, "%s - no output urb :(\n", __func__); 730 return count; 731 } 732 733 dev_dbg(&port->dev, "%s - endpoint %x flip %d\n", 734 __func__, usb_pipeendpoint(this_urb->pipe), flip); 735 736 if (this_urb->status == -EINPROGRESS) { 737 if (time_before(jiffies, 738 p_priv->tx_start_time[flip] + 10 * HZ)) 739 break; 740 usb_unlink_urb(this_urb); 741 break; 742 } 743 744 /* First byte in buffer is "last flag" (except for usa19hx) 745 - unused so for now so set to zero */ 746 ((char *)this_urb->transfer_buffer)[0] = 0; 747 748 memcpy(this_urb->transfer_buffer + dataOffset, buf, todo); 749 buf += todo; 750 751 /* send the data out the bulk port */ 752 this_urb->transfer_buffer_length = todo + dataOffset; 753 754 err = usb_submit_urb(this_urb, GFP_ATOMIC); 755 if (err != 0) 756 dev_dbg(&port->dev, "usb_submit_urb(write bulk) failed (%d)\n", err); 757 p_priv->tx_start_time[flip] = jiffies; 758 759 /* Flip for next time if usa26 or usa28 interface 760 (not used on usa49) */ 761 p_priv->out_flip = (flip + 1) & d_details->outdat_endp_flip; 762 } 763 764 return count - left; 765} 766 767static void usa26_indat_callback(struct urb *urb) 768{ 769 int i, err; 770 int endpoint; 771 struct usb_serial_port *port; 772 unsigned char *data = urb->transfer_buffer; 773 int status = urb->status; 774 775 endpoint = usb_pipeendpoint(urb->pipe); 776 777 if (status) { 778 dev_dbg(&urb->dev->dev, "%s - nonzero status %d on endpoint %x\n", 779 __func__, status, endpoint); 780 return; 781 } 782 783 port = urb->context; 784 if (urb->actual_length) { 785 /* 0x80 bit is error flag */ 786 if ((data[0] & 0x80) == 0) { 787 /* no errors on individual bytes, only 788 possible overrun err */ 789 if (data[0] & RXERROR_OVERRUN) { 790 tty_insert_flip_char(&port->port, 0, 791 TTY_OVERRUN); 792 } 793 for (i = 1; i < urb->actual_length ; ++i) 794 tty_insert_flip_char(&port->port, data[i], 795 TTY_NORMAL); 796 } else { 797 /* some bytes had errors, every byte has status */ 798 dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); 799 for (i = 0; i + 1 < urb->actual_length; i += 2) { 800 int stat = data[i]; 801 int flag = TTY_NORMAL; 802 803 if (stat & RXERROR_OVERRUN) { 804 tty_insert_flip_char(&port->port, 0, 805 TTY_OVERRUN); 806 } 807 /* XXX should handle break (0x10) */ 808 if (stat & RXERROR_PARITY) 809 flag = TTY_PARITY; 810 else if (stat & RXERROR_FRAMING) 811 flag = TTY_FRAME; 812 813 tty_insert_flip_char(&port->port, data[i+1], 814 flag); 815 } 816 } 817 tty_flip_buffer_push(&port->port); 818 } 819 820 /* Resubmit urb so we continue receiving */ 821 err = usb_submit_urb(urb, GFP_ATOMIC); 822 if (err != 0) 823 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 824} 825 826/* Outdat handling is common for all devices */ 827static void usa2x_outdat_callback(struct urb *urb) 828{ 829 struct usb_serial_port *port; 830 struct keyspan_port_private *p_priv; 831 832 port = urb->context; 833 p_priv = usb_get_serial_port_data(port); 834 dev_dbg(&port->dev, "%s - urb %d\n", __func__, urb == p_priv->out_urbs[1]); 835 836 usb_serial_port_softint(port); 837} 838 839static void usa26_inack_callback(struct urb *urb) 840{ 841} 842 843static void usa26_outcont_callback(struct urb *urb) 844{ 845 struct usb_serial_port *port; 846 struct keyspan_port_private *p_priv; 847 848 port = urb->context; 849 p_priv = usb_get_serial_port_data(port); 850 851 if (p_priv->resend_cont) { 852 dev_dbg(&port->dev, "%s - sending setup\n", __func__); 853 keyspan_usa26_send_setup(port->serial, port, 854 p_priv->resend_cont - 1); 855 } 856} 857 858static void usa26_instat_callback(struct urb *urb) 859{ 860 unsigned char *data = urb->transfer_buffer; 861 struct keyspan_usa26_portStatusMessage *msg; 862 struct usb_serial *serial; 863 struct usb_serial_port *port; 864 struct keyspan_port_private *p_priv; 865 int old_dcd_state, err; 866 int status = urb->status; 867 868 serial = urb->context; 869 870 if (status) { 871 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 872 __func__, status); 873 return; 874 } 875 if (urb->actual_length != 9) { 876 dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); 877 goto exit; 878 } 879 880 msg = (struct keyspan_usa26_portStatusMessage *)data; 881 882 /* Check port number from message and retrieve private data */ 883 if (msg->port >= serial->num_ports) { 884 dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); 885 goto exit; 886 } 887 port = serial->port[msg->port]; 888 p_priv = usb_get_serial_port_data(port); 889 if (!p_priv) 890 goto resubmit; 891 892 /* Update handshaking pin state information */ 893 old_dcd_state = p_priv->dcd_state; 894 p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); 895 p_priv->dsr_state = ((msg->dsr) ? 1 : 0); 896 p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); 897 p_priv->ri_state = ((msg->ri) ? 1 : 0); 898 899 if (old_dcd_state != p_priv->dcd_state) 900 tty_port_tty_hangup(&port->port, true); 901resubmit: 902 /* Resubmit urb so we continue receiving */ 903 err = usb_submit_urb(urb, GFP_ATOMIC); 904 if (err != 0) 905 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 906exit: ; 907} 908 909static void usa26_glocont_callback(struct urb *urb) 910{ 911} 912 913 914static void usa28_indat_callback(struct urb *urb) 915{ 916 int err; 917 struct usb_serial_port *port; 918 unsigned char *data; 919 struct keyspan_port_private *p_priv; 920 int status = urb->status; 921 922 port = urb->context; 923 p_priv = usb_get_serial_port_data(port); 924 data = urb->transfer_buffer; 925 926 if (urb != p_priv->in_urbs[p_priv->in_flip]) 927 return; 928 929 do { 930 if (status) { 931 dev_dbg(&urb->dev->dev, "%s - nonzero status %d on endpoint %x\n", 932 __func__, status, usb_pipeendpoint(urb->pipe)); 933 return; 934 } 935 936 port = urb->context; 937 p_priv = usb_get_serial_port_data(port); 938 data = urb->transfer_buffer; 939 940 if (urb->actual_length) { 941 tty_insert_flip_string(&port->port, data, 942 urb->actual_length); 943 tty_flip_buffer_push(&port->port); 944 } 945 946 /* Resubmit urb so we continue receiving */ 947 err = usb_submit_urb(urb, GFP_ATOMIC); 948 if (err != 0) 949 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", 950 __func__, err); 951 p_priv->in_flip ^= 1; 952 953 urb = p_priv->in_urbs[p_priv->in_flip]; 954 } while (urb->status != -EINPROGRESS); 955} 956 957static void usa28_inack_callback(struct urb *urb) 958{ 959} 960 961static void usa28_outcont_callback(struct urb *urb) 962{ 963 struct usb_serial_port *port; 964 struct keyspan_port_private *p_priv; 965 966 port = urb->context; 967 p_priv = usb_get_serial_port_data(port); 968 969 if (p_priv->resend_cont) { 970 dev_dbg(&port->dev, "%s - sending setup\n", __func__); 971 keyspan_usa28_send_setup(port->serial, port, 972 p_priv->resend_cont - 1); 973 } 974} 975 976static void usa28_instat_callback(struct urb *urb) 977{ 978 int err; 979 unsigned char *data = urb->transfer_buffer; 980 struct keyspan_usa28_portStatusMessage *msg; 981 struct usb_serial *serial; 982 struct usb_serial_port *port; 983 struct keyspan_port_private *p_priv; 984 int old_dcd_state; 985 int status = urb->status; 986 987 serial = urb->context; 988 989 if (status) { 990 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 991 __func__, status); 992 return; 993 } 994 995 if (urb->actual_length != sizeof(struct keyspan_usa28_portStatusMessage)) { 996 dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); 997 goto exit; 998 } 999 1000 msg = (struct keyspan_usa28_portStatusMessage *)data; 1001 1002 /* Check port number from message and retrieve private data */ 1003 if (msg->port >= serial->num_ports) { 1004 dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); 1005 goto exit; 1006 } 1007 port = serial->port[msg->port]; 1008 p_priv = usb_get_serial_port_data(port); 1009 if (!p_priv) 1010 goto resubmit; 1011 1012 /* Update handshaking pin state information */ 1013 old_dcd_state = p_priv->dcd_state; 1014 p_priv->cts_state = ((msg->cts) ? 1 : 0); 1015 p_priv->dsr_state = ((msg->dsr) ? 1 : 0); 1016 p_priv->dcd_state = ((msg->dcd) ? 1 : 0); 1017 p_priv->ri_state = ((msg->ri) ? 1 : 0); 1018 1019 if (old_dcd_state != p_priv->dcd_state && old_dcd_state) 1020 tty_port_tty_hangup(&port->port, true); 1021resubmit: 1022 /* Resubmit urb so we continue receiving */ 1023 err = usb_submit_urb(urb, GFP_ATOMIC); 1024 if (err != 0) 1025 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1026exit: ; 1027} 1028 1029static void usa28_glocont_callback(struct urb *urb) 1030{ 1031} 1032 1033 1034static void usa49_glocont_callback(struct urb *urb) 1035{ 1036 struct usb_serial *serial; 1037 struct usb_serial_port *port; 1038 struct keyspan_port_private *p_priv; 1039 int i; 1040 1041 serial = urb->context; 1042 for (i = 0; i < serial->num_ports; ++i) { 1043 port = serial->port[i]; 1044 p_priv = usb_get_serial_port_data(port); 1045 if (!p_priv) 1046 continue; 1047 1048 if (p_priv->resend_cont) { 1049 dev_dbg(&port->dev, "%s - sending setup\n", __func__); 1050 keyspan_usa49_send_setup(serial, port, 1051 p_priv->resend_cont - 1); 1052 break; 1053 } 1054 } 1055} 1056 1057 /* This is actually called glostat in the Keyspan 1058 doco */ 1059static void usa49_instat_callback(struct urb *urb) 1060{ 1061 int err; 1062 unsigned char *data = urb->transfer_buffer; 1063 struct keyspan_usa49_portStatusMessage *msg; 1064 struct usb_serial *serial; 1065 struct usb_serial_port *port; 1066 struct keyspan_port_private *p_priv; 1067 int old_dcd_state; 1068 int status = urb->status; 1069 1070 serial = urb->context; 1071 1072 if (status) { 1073 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 1074 __func__, status); 1075 return; 1076 } 1077 1078 if (urb->actual_length != 1079 sizeof(struct keyspan_usa49_portStatusMessage)) { 1080 dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); 1081 goto exit; 1082 } 1083 1084 msg = (struct keyspan_usa49_portStatusMessage *)data; 1085 1086 /* Check port number from message and retrieve private data */ 1087 if (msg->portNumber >= serial->num_ports) { 1088 dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", 1089 __func__, msg->portNumber); 1090 goto exit; 1091 } 1092 port = serial->port[msg->portNumber]; 1093 p_priv = usb_get_serial_port_data(port); 1094 if (!p_priv) 1095 goto resubmit; 1096 1097 /* Update handshaking pin state information */ 1098 old_dcd_state = p_priv->dcd_state; 1099 p_priv->cts_state = ((msg->cts) ? 1 : 0); 1100 p_priv->dsr_state = ((msg->dsr) ? 1 : 0); 1101 p_priv->dcd_state = ((msg->dcd) ? 1 : 0); 1102 p_priv->ri_state = ((msg->ri) ? 1 : 0); 1103 1104 if (old_dcd_state != p_priv->dcd_state && old_dcd_state) 1105 tty_port_tty_hangup(&port->port, true); 1106resubmit: 1107 /* Resubmit urb so we continue receiving */ 1108 err = usb_submit_urb(urb, GFP_ATOMIC); 1109 if (err != 0) 1110 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1111exit: ; 1112} 1113 1114static void usa49_inack_callback(struct urb *urb) 1115{ 1116} 1117 1118static void usa49_indat_callback(struct urb *urb) 1119{ 1120 int i, err; 1121 int endpoint; 1122 struct usb_serial_port *port; 1123 unsigned char *data = urb->transfer_buffer; 1124 int status = urb->status; 1125 1126 endpoint = usb_pipeendpoint(urb->pipe); 1127 1128 if (status) { 1129 dev_dbg(&urb->dev->dev, "%s - nonzero status %d on endpoint %x\n", 1130 __func__, status, endpoint); 1131 return; 1132 } 1133 1134 port = urb->context; 1135 if (urb->actual_length) { 1136 /* 0x80 bit is error flag */ 1137 if ((data[0] & 0x80) == 0) { 1138 /* no error on any byte */ 1139 tty_insert_flip_string(&port->port, data + 1, 1140 urb->actual_length - 1); 1141 } else { 1142 /* some bytes had errors, every byte has status */ 1143 for (i = 0; i + 1 < urb->actual_length; i += 2) { 1144 int stat = data[i]; 1145 int flag = TTY_NORMAL; 1146 1147 if (stat & RXERROR_OVERRUN) { 1148 tty_insert_flip_char(&port->port, 0, 1149 TTY_OVERRUN); 1150 } 1151 /* XXX should handle break (0x10) */ 1152 if (stat & RXERROR_PARITY) 1153 flag = TTY_PARITY; 1154 else if (stat & RXERROR_FRAMING) 1155 flag = TTY_FRAME; 1156 1157 tty_insert_flip_char(&port->port, data[i+1], 1158 flag); 1159 } 1160 } 1161 tty_flip_buffer_push(&port->port); 1162 } 1163 1164 /* Resubmit urb so we continue receiving */ 1165 err = usb_submit_urb(urb, GFP_ATOMIC); 1166 if (err != 0) 1167 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1168} 1169 1170static void usa49wg_indat_callback(struct urb *urb) 1171{ 1172 int i, len, x, err; 1173 struct usb_serial *serial; 1174 struct usb_serial_port *port; 1175 unsigned char *data = urb->transfer_buffer; 1176 int status = urb->status; 1177 1178 serial = urb->context; 1179 1180 if (status) { 1181 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 1182 __func__, status); 1183 return; 1184 } 1185 1186 /* inbound data is in the form P#, len, status, data */ 1187 i = 0; 1188 len = 0; 1189 1190 while (i < urb->actual_length) { 1191 1192 /* Check port number from message */ 1193 if (data[i] >= serial->num_ports) { 1194 dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", 1195 __func__, data[i]); 1196 return; 1197 } 1198 port = serial->port[data[i++]]; 1199 len = data[i++]; 1200 1201 /* 0x80 bit is error flag */ 1202 if ((data[i] & 0x80) == 0) { 1203 /* no error on any byte */ 1204 i++; 1205 for (x = 1; x < len && i < urb->actual_length; ++x) 1206 tty_insert_flip_char(&port->port, 1207 data[i++], 0); 1208 } else { 1209 /* 1210 * some bytes had errors, every byte has status 1211 */ 1212 for (x = 0; x + 1 < len && 1213 i + 1 < urb->actual_length; x += 2) { 1214 int stat = data[i]; 1215 int flag = TTY_NORMAL; 1216 1217 if (stat & RXERROR_OVERRUN) { 1218 tty_insert_flip_char(&port->port, 0, 1219 TTY_OVERRUN); 1220 } 1221 /* XXX should handle break (0x10) */ 1222 if (stat & RXERROR_PARITY) 1223 flag = TTY_PARITY; 1224 else if (stat & RXERROR_FRAMING) 1225 flag = TTY_FRAME; 1226 1227 tty_insert_flip_char(&port->port, data[i+1], 1228 flag); 1229 i += 2; 1230 } 1231 } 1232 tty_flip_buffer_push(&port->port); 1233 } 1234 1235 /* Resubmit urb so we continue receiving */ 1236 err = usb_submit_urb(urb, GFP_ATOMIC); 1237 if (err != 0) 1238 dev_dbg(&urb->dev->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1239} 1240 1241/* not used, usa-49 doesn't have per-port control endpoints */ 1242static void usa49_outcont_callback(struct urb *urb) 1243{ 1244} 1245 1246static void usa90_indat_callback(struct urb *urb) 1247{ 1248 int i, err; 1249 int endpoint; 1250 struct usb_serial_port *port; 1251 struct keyspan_port_private *p_priv; 1252 unsigned char *data = urb->transfer_buffer; 1253 int status = urb->status; 1254 1255 endpoint = usb_pipeendpoint(urb->pipe); 1256 1257 if (status) { 1258 dev_dbg(&urb->dev->dev, "%s - nonzero status %d on endpoint %x\n", 1259 __func__, status, endpoint); 1260 return; 1261 } 1262 1263 port = urb->context; 1264 p_priv = usb_get_serial_port_data(port); 1265 1266 if (urb->actual_length) { 1267 /* if current mode is DMA, looks like usa28 format 1268 otherwise looks like usa26 data format */ 1269 1270 if (p_priv->baud > 57600) 1271 tty_insert_flip_string(&port->port, data, 1272 urb->actual_length); 1273 else { 1274 /* 0x80 bit is error flag */ 1275 if ((data[0] & 0x80) == 0) { 1276 /* no errors on individual bytes, only 1277 possible overrun err*/ 1278 if (data[0] & RXERROR_OVERRUN) { 1279 tty_insert_flip_char(&port->port, 0, 1280 TTY_OVERRUN); 1281 } 1282 for (i = 1; i < urb->actual_length ; ++i) 1283 tty_insert_flip_char(&port->port, 1284 data[i], TTY_NORMAL); 1285 } else { 1286 /* some bytes had errors, every byte has status */ 1287 dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); 1288 for (i = 0; i + 1 < urb->actual_length; i += 2) { 1289 int stat = data[i]; 1290 int flag = TTY_NORMAL; 1291 1292 if (stat & RXERROR_OVERRUN) { 1293 tty_insert_flip_char( 1294 &port->port, 0, 1295 TTY_OVERRUN); 1296 } 1297 /* XXX should handle break (0x10) */ 1298 if (stat & RXERROR_PARITY) 1299 flag = TTY_PARITY; 1300 else if (stat & RXERROR_FRAMING) 1301 flag = TTY_FRAME; 1302 1303 tty_insert_flip_char(&port->port, 1304 data[i+1], flag); 1305 } 1306 } 1307 } 1308 tty_flip_buffer_push(&port->port); 1309 } 1310 1311 /* Resubmit urb so we continue receiving */ 1312 err = usb_submit_urb(urb, GFP_ATOMIC); 1313 if (err != 0) 1314 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1315} 1316 1317 1318static void usa90_instat_callback(struct urb *urb) 1319{ 1320 unsigned char *data = urb->transfer_buffer; 1321 struct keyspan_usa90_portStatusMessage *msg; 1322 struct usb_serial *serial; 1323 struct usb_serial_port *port; 1324 struct keyspan_port_private *p_priv; 1325 int old_dcd_state, err; 1326 int status = urb->status; 1327 1328 serial = urb->context; 1329 1330 if (status) { 1331 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 1332 __func__, status); 1333 return; 1334 } 1335 if (urb->actual_length < 14) { 1336 dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); 1337 goto exit; 1338 } 1339 1340 msg = (struct keyspan_usa90_portStatusMessage *)data; 1341 1342 /* Now do something useful with the data */ 1343 1344 port = serial->port[0]; 1345 p_priv = usb_get_serial_port_data(port); 1346 if (!p_priv) 1347 goto resubmit; 1348 1349 /* Update handshaking pin state information */ 1350 old_dcd_state = p_priv->dcd_state; 1351 p_priv->cts_state = ((msg->cts) ? 1 : 0); 1352 p_priv->dsr_state = ((msg->dsr) ? 1 : 0); 1353 p_priv->dcd_state = ((msg->dcd) ? 1 : 0); 1354 p_priv->ri_state = ((msg->ri) ? 1 : 0); 1355 1356 if (old_dcd_state != p_priv->dcd_state && old_dcd_state) 1357 tty_port_tty_hangup(&port->port, true); 1358resubmit: 1359 /* Resubmit urb so we continue receiving */ 1360 err = usb_submit_urb(urb, GFP_ATOMIC); 1361 if (err != 0) 1362 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1363exit: 1364 ; 1365} 1366 1367static void usa90_outcont_callback(struct urb *urb) 1368{ 1369 struct usb_serial_port *port; 1370 struct keyspan_port_private *p_priv; 1371 1372 port = urb->context; 1373 p_priv = usb_get_serial_port_data(port); 1374 1375 if (p_priv->resend_cont) { 1376 dev_dbg(&urb->dev->dev, "%s - sending setup\n", __func__); 1377 keyspan_usa90_send_setup(port->serial, port, 1378 p_priv->resend_cont - 1); 1379 } 1380} 1381 1382/* Status messages from the 28xg */ 1383static void usa67_instat_callback(struct urb *urb) 1384{ 1385 int err; 1386 unsigned char *data = urb->transfer_buffer; 1387 struct keyspan_usa67_portStatusMessage *msg; 1388 struct usb_serial *serial; 1389 struct usb_serial_port *port; 1390 struct keyspan_port_private *p_priv; 1391 int old_dcd_state; 1392 int status = urb->status; 1393 1394 serial = urb->context; 1395 1396 if (status) { 1397 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 1398 __func__, status); 1399 return; 1400 } 1401 1402 if (urb->actual_length != 1403 sizeof(struct keyspan_usa67_portStatusMessage)) { 1404 dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); 1405 return; 1406 } 1407 1408 1409 /* Now do something useful with the data */ 1410 msg = (struct keyspan_usa67_portStatusMessage *)data; 1411 1412 /* Check port number from message and retrieve private data */ 1413 if (msg->port >= serial->num_ports) { 1414 dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); 1415 return; 1416 } 1417 1418 port = serial->port[msg->port]; 1419 p_priv = usb_get_serial_port_data(port); 1420 if (!p_priv) 1421 goto resubmit; 1422 1423 /* Update handshaking pin state information */ 1424 old_dcd_state = p_priv->dcd_state; 1425 p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); 1426 p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); 1427 1428 if (old_dcd_state != p_priv->dcd_state && old_dcd_state) 1429 tty_port_tty_hangup(&port->port, true); 1430resubmit: 1431 /* Resubmit urb so we continue receiving */ 1432 err = usb_submit_urb(urb, GFP_ATOMIC); 1433 if (err != 0) 1434 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1435} 1436 1437static void usa67_glocont_callback(struct urb *urb) 1438{ 1439 struct usb_serial *serial; 1440 struct usb_serial_port *port; 1441 struct keyspan_port_private *p_priv; 1442 int i; 1443 1444 serial = urb->context; 1445 for (i = 0; i < serial->num_ports; ++i) { 1446 port = serial->port[i]; 1447 p_priv = usb_get_serial_port_data(port); 1448 if (!p_priv) 1449 continue; 1450 1451 if (p_priv->resend_cont) { 1452 dev_dbg(&port->dev, "%s - sending setup\n", __func__); 1453 keyspan_usa67_send_setup(serial, port, 1454 p_priv->resend_cont - 1); 1455 break; 1456 } 1457 } 1458} 1459 1460static unsigned int keyspan_write_room(struct tty_struct *tty) 1461{ 1462 struct usb_serial_port *port = tty->driver_data; 1463 struct keyspan_port_private *p_priv; 1464 const struct keyspan_device_details *d_details; 1465 int flip; 1466 unsigned int data_len; 1467 struct urb *this_urb; 1468 1469 p_priv = usb_get_serial_port_data(port); 1470 d_details = p_priv->device_details; 1471 1472 /* FIXME: locking */ 1473 if (d_details->msg_format == msg_usa90) 1474 data_len = 64; 1475 else 1476 data_len = 63; 1477 1478 flip = p_priv->out_flip; 1479 1480 /* Check both endpoints to see if any are available. */ 1481 this_urb = p_priv->out_urbs[flip]; 1482 if (this_urb != NULL) { 1483 if (this_urb->status != -EINPROGRESS) 1484 return data_len; 1485 flip = (flip + 1) & d_details->outdat_endp_flip; 1486 this_urb = p_priv->out_urbs[flip]; 1487 if (this_urb != NULL) { 1488 if (this_urb->status != -EINPROGRESS) 1489 return data_len; 1490 } 1491 } 1492 return 0; 1493} 1494 1495 1496static int keyspan_open(struct tty_struct *tty, struct usb_serial_port *port) 1497{ 1498 struct keyspan_port_private *p_priv; 1499 const struct keyspan_device_details *d_details; 1500 int i, err; 1501 int baud_rate, device_port; 1502 struct urb *urb; 1503 unsigned int cflag = 0; 1504 1505 p_priv = usb_get_serial_port_data(port); 1506 d_details = p_priv->device_details; 1507 1508 /* Set some sane defaults */ 1509 p_priv->rts_state = 1; 1510 p_priv->dtr_state = 1; 1511 p_priv->baud = 9600; 1512 1513 /* force baud and lcr to be set on open */ 1514 p_priv->old_baud = 0; 1515 p_priv->old_cflag = 0; 1516 1517 p_priv->out_flip = 0; 1518 p_priv->in_flip = 0; 1519 1520 /* Reset low level data toggle and start reading from endpoints */ 1521 for (i = 0; i < 2; i++) { 1522 urb = p_priv->in_urbs[i]; 1523 if (urb == NULL) 1524 continue; 1525 1526 /* make sure endpoint data toggle is synchronized 1527 with the device */ 1528 usb_clear_halt(urb->dev, urb->pipe); 1529 err = usb_submit_urb(urb, GFP_KERNEL); 1530 if (err != 0) 1531 dev_dbg(&port->dev, "%s - submit urb %d failed (%d)\n", __func__, i, err); 1532 } 1533 1534 /* Reset low level data toggle on out endpoints */ 1535 for (i = 0; i < 2; i++) { 1536 urb = p_priv->out_urbs[i]; 1537 if (urb == NULL) 1538 continue; 1539 /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), 1540 usb_pipeout(urb->pipe), 0); */ 1541 } 1542 1543 /* get the terminal config for the setup message now so we don't 1544 * need to send 2 of them */ 1545 1546 device_port = port->port_number; 1547 if (tty) { 1548 cflag = tty->termios.c_cflag; 1549 /* Baud rate calculation takes baud rate as an integer 1550 so other rates can be generated if desired. */ 1551 baud_rate = tty_get_baud_rate(tty); 1552 /* If no match or invalid, leave as default */ 1553 if (baud_rate >= 0 1554 && d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, 1555 NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { 1556 p_priv->baud = baud_rate; 1557 } 1558 } 1559 /* set CTS/RTS handshake etc. */ 1560 p_priv->cflag = cflag; 1561 p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; 1562 1563 keyspan_send_setup(port, 1); 1564 /* mdelay(100); */ 1565 /* keyspan_set_termios(port, NULL); */ 1566 1567 return 0; 1568} 1569 1570static void keyspan_dtr_rts(struct usb_serial_port *port, int on) 1571{ 1572 struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); 1573 1574 p_priv->rts_state = on; 1575 p_priv->dtr_state = on; 1576 keyspan_send_setup(port, 0); 1577} 1578 1579static void keyspan_close(struct usb_serial_port *port) 1580{ 1581 int i; 1582 struct keyspan_port_private *p_priv; 1583 1584 p_priv = usb_get_serial_port_data(port); 1585 1586 p_priv->rts_state = 0; 1587 p_priv->dtr_state = 0; 1588 1589 keyspan_send_setup(port, 2); 1590 /* pilot-xfer seems to work best with this delay */ 1591 mdelay(100); 1592 1593 p_priv->out_flip = 0; 1594 p_priv->in_flip = 0; 1595 1596 usb_kill_urb(p_priv->inack_urb); 1597 for (i = 0; i < 2; i++) { 1598 usb_kill_urb(p_priv->in_urbs[i]); 1599 usb_kill_urb(p_priv->out_urbs[i]); 1600 } 1601} 1602 1603/* download the firmware to a pre-renumeration device */ 1604static int keyspan_fake_startup(struct usb_serial *serial) 1605{ 1606 char *fw_name; 1607 1608 dev_dbg(&serial->dev->dev, "Keyspan startup version %04x product %04x\n", 1609 le16_to_cpu(serial->dev->descriptor.bcdDevice), 1610 le16_to_cpu(serial->dev->descriptor.idProduct)); 1611 1612 if ((le16_to_cpu(serial->dev->descriptor.bcdDevice) & 0x8000) 1613 != 0x8000) { 1614 dev_dbg(&serial->dev->dev, "Firmware already loaded. Quitting.\n"); 1615 return 1; 1616 } 1617 1618 /* Select firmware image on the basis of idProduct */ 1619 switch (le16_to_cpu(serial->dev->descriptor.idProduct)) { 1620 case keyspan_usa28_pre_product_id: 1621 fw_name = "keyspan/usa28.fw"; 1622 break; 1623 1624 case keyspan_usa28x_pre_product_id: 1625 fw_name = "keyspan/usa28x.fw"; 1626 break; 1627 1628 case keyspan_usa28xa_pre_product_id: 1629 fw_name = "keyspan/usa28xa.fw"; 1630 break; 1631 1632 case keyspan_usa28xb_pre_product_id: 1633 fw_name = "keyspan/usa28xb.fw"; 1634 break; 1635 1636 case keyspan_usa19_pre_product_id: 1637 fw_name = "keyspan/usa19.fw"; 1638 break; 1639 1640 case keyspan_usa19qi_pre_product_id: 1641 fw_name = "keyspan/usa19qi.fw"; 1642 break; 1643 1644 case keyspan_mpr_pre_product_id: 1645 fw_name = "keyspan/mpr.fw"; 1646 break; 1647 1648 case keyspan_usa19qw_pre_product_id: 1649 fw_name = "keyspan/usa19qw.fw"; 1650 break; 1651 1652 case keyspan_usa18x_pre_product_id: 1653 fw_name = "keyspan/usa18x.fw"; 1654 break; 1655 1656 case keyspan_usa19w_pre_product_id: 1657 fw_name = "keyspan/usa19w.fw"; 1658 break; 1659 1660 case keyspan_usa49w_pre_product_id: 1661 fw_name = "keyspan/usa49w.fw"; 1662 break; 1663 1664 case keyspan_usa49wlc_pre_product_id: 1665 fw_name = "keyspan/usa49wlc.fw"; 1666 break; 1667 1668 default: 1669 dev_err(&serial->dev->dev, "Unknown product ID (%04x)\n", 1670 le16_to_cpu(serial->dev->descriptor.idProduct)); 1671 return 1; 1672 } 1673 1674 dev_dbg(&serial->dev->dev, "Uploading Keyspan %s firmware.\n", fw_name); 1675 1676 if (ezusb_fx1_ihex_firmware_download(serial->dev, fw_name) < 0) { 1677 dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n", 1678 fw_name); 1679 return -ENOENT; 1680 } 1681 1682 /* after downloading firmware Renumeration will occur in a 1683 moment and the new device will bind to the real driver */ 1684 1685 /* we don't want this device to have a driver assigned to it. */ 1686 return 1; 1687} 1688 1689/* Helper functions used by keyspan_setup_urbs */ 1690static struct usb_endpoint_descriptor const *find_ep(struct usb_serial const *serial, 1691 int endpoint) 1692{ 1693 struct usb_host_interface *iface_desc; 1694 struct usb_endpoint_descriptor *ep; 1695 int i; 1696 1697 iface_desc = serial->interface->cur_altsetting; 1698 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { 1699 ep = &iface_desc->endpoint[i].desc; 1700 if (ep->bEndpointAddress == endpoint) 1701 return ep; 1702 } 1703 dev_warn(&serial->interface->dev, "found no endpoint descriptor for endpoint %x\n", 1704 endpoint); 1705 return NULL; 1706} 1707 1708static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint, 1709 int dir, void *ctx, char *buf, int len, 1710 void (*callback)(struct urb *)) 1711{ 1712 struct urb *urb; 1713 struct usb_endpoint_descriptor const *ep_desc; 1714 char const *ep_type_name; 1715 1716 if (endpoint == -1) 1717 return NULL; /* endpoint not needed */ 1718 1719 dev_dbg(&serial->interface->dev, "%s - alloc for endpoint %x\n", 1720 __func__, endpoint); 1721 urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ 1722 if (!urb) 1723 return NULL; 1724 1725 if (endpoint == 0) { 1726 /* control EP filled in when used */ 1727 return urb; 1728 } 1729 1730 ep_desc = find_ep(serial, endpoint); 1731 if (!ep_desc) { 1732 usb_free_urb(urb); 1733 return NULL; 1734 } 1735 if (usb_endpoint_xfer_int(ep_desc)) { 1736 ep_type_name = "INT"; 1737 usb_fill_int_urb(urb, serial->dev, 1738 usb_sndintpipe(serial->dev, endpoint) | dir, 1739 buf, len, callback, ctx, 1740 ep_desc->bInterval); 1741 } else if (usb_endpoint_xfer_bulk(ep_desc)) { 1742 ep_type_name = "BULK"; 1743 usb_fill_bulk_urb(urb, serial->dev, 1744 usb_sndbulkpipe(serial->dev, endpoint) | dir, 1745 buf, len, callback, ctx); 1746 } else { 1747 dev_warn(&serial->interface->dev, 1748 "unsupported endpoint type %x\n", 1749 usb_endpoint_type(ep_desc)); 1750 usb_free_urb(urb); 1751 return NULL; 1752 } 1753 1754 dev_dbg(&serial->interface->dev, "%s - using urb %p for %s endpoint %x\n", 1755 __func__, urb, ep_type_name, endpoint); 1756 return urb; 1757} 1758 1759static struct callbacks { 1760 void (*instat_callback)(struct urb *); 1761 void (*glocont_callback)(struct urb *); 1762 void (*indat_callback)(struct urb *); 1763 void (*outdat_callback)(struct urb *); 1764 void (*inack_callback)(struct urb *); 1765 void (*outcont_callback)(struct urb *); 1766} keyspan_callbacks[] = { 1767 { 1768 /* msg_usa26 callbacks */ 1769 .instat_callback = usa26_instat_callback, 1770 .glocont_callback = usa26_glocont_callback, 1771 .indat_callback = usa26_indat_callback, 1772 .outdat_callback = usa2x_outdat_callback, 1773 .inack_callback = usa26_inack_callback, 1774 .outcont_callback = usa26_outcont_callback, 1775 }, { 1776 /* msg_usa28 callbacks */ 1777 .instat_callback = usa28_instat_callback, 1778 .glocont_callback = usa28_glocont_callback, 1779 .indat_callback = usa28_indat_callback, 1780 .outdat_callback = usa2x_outdat_callback, 1781 .inack_callback = usa28_inack_callback, 1782 .outcont_callback = usa28_outcont_callback, 1783 }, { 1784 /* msg_usa49 callbacks */ 1785 .instat_callback = usa49_instat_callback, 1786 .glocont_callback = usa49_glocont_callback, 1787 .indat_callback = usa49_indat_callback, 1788 .outdat_callback = usa2x_outdat_callback, 1789 .inack_callback = usa49_inack_callback, 1790 .outcont_callback = usa49_outcont_callback, 1791 }, { 1792 /* msg_usa90 callbacks */ 1793 .instat_callback = usa90_instat_callback, 1794 .glocont_callback = usa28_glocont_callback, 1795 .indat_callback = usa90_indat_callback, 1796 .outdat_callback = usa2x_outdat_callback, 1797 .inack_callback = usa28_inack_callback, 1798 .outcont_callback = usa90_outcont_callback, 1799 }, { 1800 /* msg_usa67 callbacks */ 1801 .instat_callback = usa67_instat_callback, 1802 .glocont_callback = usa67_glocont_callback, 1803 .indat_callback = usa26_indat_callback, 1804 .outdat_callback = usa2x_outdat_callback, 1805 .inack_callback = usa26_inack_callback, 1806 .outcont_callback = usa26_outcont_callback, 1807 } 1808}; 1809 1810 /* Generic setup urbs function that uses 1811 data in device_details */ 1812static void keyspan_setup_urbs(struct usb_serial *serial) 1813{ 1814 struct keyspan_serial_private *s_priv; 1815 const struct keyspan_device_details *d_details; 1816 struct callbacks *cback; 1817 1818 s_priv = usb_get_serial_data(serial); 1819 d_details = s_priv->device_details; 1820 1821 /* Setup values for the various callback routines */ 1822 cback = &keyspan_callbacks[d_details->msg_format]; 1823 1824 /* Allocate and set up urbs for each one that is in use, 1825 starting with instat endpoints */ 1826 s_priv->instat_urb = keyspan_setup_urb 1827 (serial, d_details->instat_endpoint, USB_DIR_IN, 1828 serial, s_priv->instat_buf, INSTAT_BUFLEN, 1829 cback->instat_callback); 1830 1831 s_priv->indat_urb = keyspan_setup_urb 1832 (serial, d_details->indat_endpoint, USB_DIR_IN, 1833 serial, s_priv->indat_buf, INDAT49W_BUFLEN, 1834 usa49wg_indat_callback); 1835 1836 s_priv->glocont_urb = keyspan_setup_urb 1837 (serial, d_details->glocont_endpoint, USB_DIR_OUT, 1838 serial, s_priv->glocont_buf, GLOCONT_BUFLEN, 1839 cback->glocont_callback); 1840} 1841 1842/* usa19 function doesn't require prescaler */ 1843static int keyspan_usa19_calc_baud(struct usb_serial_port *port, 1844 u32 baud_rate, u32 baudclk, u8 *rate_hi, 1845 u8 *rate_low, u8 *prescaler, int portnum) 1846{ 1847 u32 b16, /* baud rate times 16 (actual rate used internally) */ 1848 div, /* divisor */ 1849 cnt; /* inverse of divisor (programmed into 8051) */ 1850 1851 dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); 1852 1853 /* prevent divide by zero... */ 1854 b16 = baud_rate * 16L; 1855 if (b16 == 0) 1856 return KEYSPAN_INVALID_BAUD_RATE; 1857 /* Any "standard" rate over 57k6 is marginal on the USA-19 1858 as we run out of divisor resolution. */ 1859 if (baud_rate > 57600) 1860 return KEYSPAN_INVALID_BAUD_RATE; 1861 1862 /* calculate the divisor and the counter (its inverse) */ 1863 div = baudclk / b16; 1864 if (div == 0) 1865 return KEYSPAN_INVALID_BAUD_RATE; 1866 else 1867 cnt = 0 - div; 1868 1869 if (div > 0xffff) 1870 return KEYSPAN_INVALID_BAUD_RATE; 1871 1872 /* return the counter values if non-null */ 1873 if (rate_low) 1874 *rate_low = (u8) (cnt & 0xff); 1875 if (rate_hi) 1876 *rate_hi = (u8) ((cnt >> 8) & 0xff); 1877 if (rate_low && rate_hi) 1878 dev_dbg(&port->dev, "%s - %d %02x %02x.\n", 1879 __func__, baud_rate, *rate_hi, *rate_low); 1880 return KEYSPAN_BAUD_RATE_OK; 1881} 1882 1883/* usa19hs function doesn't require prescaler */ 1884static int keyspan_usa19hs_calc_baud(struct usb_serial_port *port, 1885 u32 baud_rate, u32 baudclk, u8 *rate_hi, 1886 u8 *rate_low, u8 *prescaler, int portnum) 1887{ 1888 u32 b16, /* baud rate times 16 (actual rate used internally) */ 1889 div; /* divisor */ 1890 1891 dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); 1892 1893 /* prevent divide by zero... */ 1894 b16 = baud_rate * 16L; 1895 if (b16 == 0) 1896 return KEYSPAN_INVALID_BAUD_RATE; 1897 1898 /* calculate the divisor */ 1899 div = baudclk / b16; 1900 if (div == 0) 1901 return KEYSPAN_INVALID_BAUD_RATE; 1902 1903 if (div > 0xffff) 1904 return KEYSPAN_INVALID_BAUD_RATE; 1905 1906 /* return the counter values if non-null */ 1907 if (rate_low) 1908 *rate_low = (u8) (div & 0xff); 1909 1910 if (rate_hi) 1911 *rate_hi = (u8) ((div >> 8) & 0xff); 1912 1913 if (rate_low && rate_hi) 1914 dev_dbg(&port->dev, "%s - %d %02x %02x.\n", 1915 __func__, baud_rate, *rate_hi, *rate_low); 1916 1917 return KEYSPAN_BAUD_RATE_OK; 1918} 1919 1920static int keyspan_usa19w_calc_baud(struct usb_serial_port *port, 1921 u32 baud_rate, u32 baudclk, u8 *rate_hi, 1922 u8 *rate_low, u8 *prescaler, int portnum) 1923{ 1924 u32 b16, /* baud rate times 16 (actual rate used internally) */ 1925 clk, /* clock with 13/8 prescaler */ 1926 div, /* divisor using 13/8 prescaler */ 1927 res, /* resulting baud rate using 13/8 prescaler */ 1928 diff, /* error using 13/8 prescaler */ 1929 smallest_diff; 1930 u8 best_prescaler; 1931 int i; 1932 1933 dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); 1934 1935 /* prevent divide by zero */ 1936 b16 = baud_rate * 16L; 1937 if (b16 == 0) 1938 return KEYSPAN_INVALID_BAUD_RATE; 1939 1940 /* Calculate prescaler by trying them all and looking 1941 for best fit */ 1942 1943 /* start with largest possible difference */ 1944 smallest_diff = 0xffffffff; 1945 1946 /* 0 is an invalid prescaler, used as a flag */ 1947 best_prescaler = 0; 1948 1949 for (i = 8; i <= 0xff; ++i) { 1950 clk = (baudclk * 8) / (u32) i; 1951 1952 div = clk / b16; 1953 if (div == 0) 1954 continue; 1955 1956 res = clk / div; 1957 diff = (res > b16) ? (res-b16) : (b16-res); 1958 1959 if (diff < smallest_diff) { 1960 best_prescaler = i; 1961 smallest_diff = diff; 1962 } 1963 } 1964 1965 if (best_prescaler == 0) 1966 return KEYSPAN_INVALID_BAUD_RATE; 1967 1968 clk = (baudclk * 8) / (u32) best_prescaler; 1969 div = clk / b16; 1970 1971 /* return the divisor and prescaler if non-null */ 1972 if (rate_low) 1973 *rate_low = (u8) (div & 0xff); 1974 if (rate_hi) 1975 *rate_hi = (u8) ((div >> 8) & 0xff); 1976 if (prescaler) { 1977 *prescaler = best_prescaler; 1978 /* dev_dbg(&port->dev, "%s - %d %d\n", __func__, *prescaler, div); */ 1979 } 1980 return KEYSPAN_BAUD_RATE_OK; 1981} 1982 1983 /* USA-28 supports different maximum baud rates on each port */ 1984static int keyspan_usa28_calc_baud(struct usb_serial_port *port, 1985 u32 baud_rate, u32 baudclk, u8 *rate_hi, 1986 u8 *rate_low, u8 *prescaler, int portnum) 1987{ 1988 u32 b16, /* baud rate times 16 (actual rate used internally) */ 1989 div, /* divisor */ 1990 cnt; /* inverse of divisor (programmed into 8051) */ 1991 1992 dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); 1993 1994 /* prevent divide by zero */ 1995 b16 = baud_rate * 16L; 1996 if (b16 == 0) 1997 return KEYSPAN_INVALID_BAUD_RATE; 1998 1999 /* calculate the divisor and the counter (its inverse) */ 2000 div = KEYSPAN_USA28_BAUDCLK / b16; 2001 if (div == 0) 2002 return KEYSPAN_INVALID_BAUD_RATE; 2003 else 2004 cnt = 0 - div; 2005 2006 /* check for out of range, based on portnum, 2007 and return result */ 2008 if (portnum == 0) { 2009 if (div > 0xffff) 2010 return KEYSPAN_INVALID_BAUD_RATE; 2011 } else { 2012 if (portnum == 1) { 2013 if (div > 0xff) 2014 return KEYSPAN_INVALID_BAUD_RATE; 2015 } else 2016 return KEYSPAN_INVALID_BAUD_RATE; 2017 } 2018 2019 /* return the counter values if not NULL 2020 (port 1 will ignore retHi) */ 2021 if (rate_low) 2022 *rate_low = (u8) (cnt & 0xff); 2023 if (rate_hi) 2024 *rate_hi = (u8) ((cnt >> 8) & 0xff); 2025 dev_dbg(&port->dev, "%s - %d OK.\n", __func__, baud_rate); 2026 return KEYSPAN_BAUD_RATE_OK; 2027} 2028 2029static int keyspan_usa26_send_setup(struct usb_serial *serial, 2030 struct usb_serial_port *port, 2031 int reset_port) 2032{ 2033 struct keyspan_usa26_portControlMessage msg; 2034 struct keyspan_serial_private *s_priv; 2035 struct keyspan_port_private *p_priv; 2036 const struct keyspan_device_details *d_details; 2037 struct urb *this_urb; 2038 int device_port, err; 2039 2040 dev_dbg(&port->dev, "%s reset=%d\n", __func__, reset_port); 2041 2042 s_priv = usb_get_serial_data(serial); 2043 p_priv = usb_get_serial_port_data(port); 2044 d_details = s_priv->device_details; 2045 device_port = port->port_number; 2046 2047 this_urb = p_priv->outcont_urb; 2048 2049 /* Make sure we have an urb then send the message */ 2050 if (this_urb == NULL) { 2051 dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); 2052 return -1; 2053 } 2054 2055 dev_dbg(&port->dev, "%s - endpoint %x\n", 2056 __func__, usb_pipeendpoint(this_urb->pipe)); 2057 2058 /* Save reset port val for resend. 2059 Don't overwrite resend for open/close condition. */ 2060 if ((reset_port + 1) > p_priv->resend_cont) 2061 p_priv->resend_cont = reset_port + 1; 2062 if (this_urb->status == -EINPROGRESS) { 2063 /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ 2064 mdelay(5); 2065 return -1; 2066 } 2067 2068 memset(&msg, 0, sizeof(struct keyspan_usa26_portControlMessage)); 2069 2070 /* Only set baud rate if it's changed */ 2071 if (p_priv->old_baud != p_priv->baud) { 2072 p_priv->old_baud = p_priv->baud; 2073 msg.setClocking = 0xff; 2074 if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2075 &msg.baudHi, &msg.baudLo, &msg.prescaler, 2076 device_port) == KEYSPAN_INVALID_BAUD_RATE) { 2077 dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", 2078 __func__, p_priv->baud); 2079 msg.baudLo = 0; 2080 msg.baudHi = 125; /* Values for 9600 baud */ 2081 msg.prescaler = 10; 2082 } 2083 msg.setPrescaler = 0xff; 2084 } 2085 2086 msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; 2087 switch (p_priv->cflag & CSIZE) { 2088 case CS5: 2089 msg.lcr |= USA_DATABITS_5; 2090 break; 2091 case CS6: 2092 msg.lcr |= USA_DATABITS_6; 2093 break; 2094 case CS7: 2095 msg.lcr |= USA_DATABITS_7; 2096 break; 2097 case CS8: 2098 msg.lcr |= USA_DATABITS_8; 2099 break; 2100 } 2101 if (p_priv->cflag & PARENB) { 2102 /* note USA_PARITY_NONE == 0 */ 2103 msg.lcr |= (p_priv->cflag & PARODD) ? 2104 USA_PARITY_ODD : USA_PARITY_EVEN; 2105 } 2106 msg.setLcr = 0xff; 2107 2108 msg.ctsFlowControl = (p_priv->flow_control == flow_cts); 2109 msg.xonFlowControl = 0; 2110 msg.setFlowControl = 0xff; 2111 msg.forwardingLength = 16; 2112 msg.xonChar = 17; 2113 msg.xoffChar = 19; 2114 2115 /* Opening port */ 2116 if (reset_port == 1) { 2117 msg._txOn = 1; 2118 msg._txOff = 0; 2119 msg.txFlush = 0; 2120 msg.txBreak = 0; 2121 msg.rxOn = 1; 2122 msg.rxOff = 0; 2123 msg.rxFlush = 1; 2124 msg.rxForward = 0; 2125 msg.returnStatus = 0; 2126 msg.resetDataToggle = 0xff; 2127 } 2128 2129 /* Closing port */ 2130 else if (reset_port == 2) { 2131 msg._txOn = 0; 2132 msg._txOff = 1; 2133 msg.txFlush = 0; 2134 msg.txBreak = 0; 2135 msg.rxOn = 0; 2136 msg.rxOff = 1; 2137 msg.rxFlush = 1; 2138 msg.rxForward = 0; 2139 msg.returnStatus = 0; 2140 msg.resetDataToggle = 0; 2141 } 2142 2143 /* Sending intermediate configs */ 2144 else { 2145 msg._txOn = (!p_priv->break_on); 2146 msg._txOff = 0; 2147 msg.txFlush = 0; 2148 msg.txBreak = (p_priv->break_on); 2149 msg.rxOn = 0; 2150 msg.rxOff = 0; 2151 msg.rxFlush = 0; 2152 msg.rxForward = 0; 2153 msg.returnStatus = 0; 2154 msg.resetDataToggle = 0x0; 2155 } 2156 2157 /* Do handshaking outputs */ 2158 msg.setTxTriState_setRts = 0xff; 2159 msg.txTriState_rts = p_priv->rts_state; 2160 2161 msg.setHskoa_setDtr = 0xff; 2162 msg.hskoa_dtr = p_priv->dtr_state; 2163 2164 p_priv->resend_cont = 0; 2165 memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); 2166 2167 /* send the data out the device on control endpoint */ 2168 this_urb->transfer_buffer_length = sizeof(msg); 2169 2170 err = usb_submit_urb(this_urb, GFP_ATOMIC); 2171 if (err != 0) 2172 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); 2173 return 0; 2174} 2175 2176static int keyspan_usa28_send_setup(struct usb_serial *serial, 2177 struct usb_serial_port *port, 2178 int reset_port) 2179{ 2180 struct keyspan_usa28_portControlMessage msg; 2181 struct keyspan_serial_private *s_priv; 2182 struct keyspan_port_private *p_priv; 2183 const struct keyspan_device_details *d_details; 2184 struct urb *this_urb; 2185 int device_port, err; 2186 2187 s_priv = usb_get_serial_data(serial); 2188 p_priv = usb_get_serial_port_data(port); 2189 d_details = s_priv->device_details; 2190 device_port = port->port_number; 2191 2192 /* only do something if we have a bulk out endpoint */ 2193 this_urb = p_priv->outcont_urb; 2194 if (this_urb == NULL) { 2195 dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); 2196 return -1; 2197 } 2198 2199 /* Save reset port val for resend. 2200 Don't overwrite resend for open/close condition. */ 2201 if ((reset_port + 1) > p_priv->resend_cont) 2202 p_priv->resend_cont = reset_port + 1; 2203 if (this_urb->status == -EINPROGRESS) { 2204 dev_dbg(&port->dev, "%s already writing\n", __func__); 2205 mdelay(5); 2206 return -1; 2207 } 2208 2209 memset(&msg, 0, sizeof(struct keyspan_usa28_portControlMessage)); 2210 2211 msg.setBaudRate = 1; 2212 if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2213 &msg.baudHi, &msg.baudLo, NULL, 2214 device_port) == KEYSPAN_INVALID_BAUD_RATE) { 2215 dev_dbg(&port->dev, "%s - Invalid baud rate requested %d.\n", 2216 __func__, p_priv->baud); 2217 msg.baudLo = 0xff; 2218 msg.baudHi = 0xb2; /* Values for 9600 baud */ 2219 } 2220 2221 /* If parity is enabled, we must calculate it ourselves. */ 2222 msg.parity = 0; /* XXX for now */ 2223 2224 msg.ctsFlowControl = (p_priv->flow_control == flow_cts); 2225 msg.xonFlowControl = 0; 2226 2227 /* Do handshaking outputs, DTR is inverted relative to RTS */ 2228 msg.rts = p_priv->rts_state; 2229 msg.dtr = p_priv->dtr_state; 2230 2231 msg.forwardingLength = 16; 2232 msg.forwardMs = 10; 2233 msg.breakThreshold = 45; 2234 msg.xonChar = 17; 2235 msg.xoffChar = 19; 2236 2237 /*msg.returnStatus = 1; 2238 msg.resetDataToggle = 0xff;*/ 2239 /* Opening port */ 2240 if (reset_port == 1) { 2241 msg._txOn = 1; 2242 msg._txOff = 0; 2243 msg.txFlush = 0; 2244 msg.txForceXoff = 0; 2245 msg.txBreak = 0; 2246 msg.rxOn = 1; 2247 msg.rxOff = 0; 2248 msg.rxFlush = 1; 2249 msg.rxForward = 0; 2250 msg.returnStatus = 0; 2251 msg.resetDataToggle = 0xff; 2252 } 2253 /* Closing port */ 2254 else if (reset_port == 2) { 2255 msg._txOn = 0; 2256 msg._txOff = 1; 2257 msg.txFlush = 0; 2258 msg.txForceXoff = 0; 2259 msg.txBreak = 0; 2260 msg.rxOn = 0; 2261 msg.rxOff = 1; 2262 msg.rxFlush = 1; 2263 msg.rxForward = 0; 2264 msg.returnStatus = 0; 2265 msg.resetDataToggle = 0; 2266 } 2267 /* Sending intermediate configs */ 2268 else { 2269 msg._txOn = (!p_priv->break_on); 2270 msg._txOff = 0; 2271 msg.txFlush = 0; 2272 msg.txForceXoff = 0; 2273 msg.txBreak = (p_priv->break_on); 2274 msg.rxOn = 0; 2275 msg.rxOff = 0; 2276 msg.rxFlush = 0; 2277 msg.rxForward = 0; 2278 msg.returnStatus = 0; 2279 msg.resetDataToggle = 0x0; 2280 } 2281 2282 p_priv->resend_cont = 0; 2283 memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); 2284 2285 /* send the data out the device on control endpoint */ 2286 this_urb->transfer_buffer_length = sizeof(msg); 2287 2288 err = usb_submit_urb(this_urb, GFP_ATOMIC); 2289 if (err != 0) 2290 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed\n", __func__); 2291 2292 return 0; 2293} 2294 2295static int keyspan_usa49_send_setup(struct usb_serial *serial, 2296 struct usb_serial_port *port, 2297 int reset_port) 2298{ 2299 struct keyspan_usa49_portControlMessage msg; 2300 struct usb_ctrlrequest *dr = NULL; 2301 struct keyspan_serial_private *s_priv; 2302 struct keyspan_port_private *p_priv; 2303 const struct keyspan_device_details *d_details; 2304 struct urb *this_urb; 2305 int err, device_port; 2306 2307 s_priv = usb_get_serial_data(serial); 2308 p_priv = usb_get_serial_port_data(port); 2309 d_details = s_priv->device_details; 2310 2311 this_urb = s_priv->glocont_urb; 2312 2313 /* Work out which port within the device is being setup */ 2314 device_port = port->port_number; 2315 2316 /* Make sure we have an urb then send the message */ 2317 if (this_urb == NULL) { 2318 dev_dbg(&port->dev, "%s - oops no urb for port.\n", __func__); 2319 return -1; 2320 } 2321 2322 dev_dbg(&port->dev, "%s - endpoint %x (%d)\n", 2323 __func__, usb_pipeendpoint(this_urb->pipe), device_port); 2324 2325 /* Save reset port val for resend. 2326 Don't overwrite resend for open/close condition. */ 2327 if ((reset_port + 1) > p_priv->resend_cont) 2328 p_priv->resend_cont = reset_port + 1; 2329 2330 if (this_urb->status == -EINPROGRESS) { 2331 /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ 2332 mdelay(5); 2333 return -1; 2334 } 2335 2336 memset(&msg, 0, sizeof(struct keyspan_usa49_portControlMessage)); 2337 2338 msg.portNumber = device_port; 2339 2340 /* Only set baud rate if it's changed */ 2341 if (p_priv->old_baud != p_priv->baud) { 2342 p_priv->old_baud = p_priv->baud; 2343 msg.setClocking = 0xff; 2344 if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2345 &msg.baudHi, &msg.baudLo, &msg.prescaler, 2346 device_port) == KEYSPAN_INVALID_BAUD_RATE) { 2347 dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", 2348 __func__, p_priv->baud); 2349 msg.baudLo = 0; 2350 msg.baudHi = 125; /* Values for 9600 baud */ 2351 msg.prescaler = 10; 2352 } 2353 /* msg.setPrescaler = 0xff; */ 2354 } 2355 2356 msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; 2357 switch (p_priv->cflag & CSIZE) { 2358 case CS5: 2359 msg.lcr |= USA_DATABITS_5; 2360 break; 2361 case CS6: 2362 msg.lcr |= USA_DATABITS_6; 2363 break; 2364 case CS7: 2365 msg.lcr |= USA_DATABITS_7; 2366 break; 2367 case CS8: 2368 msg.lcr |= USA_DATABITS_8; 2369 break; 2370 } 2371 if (p_priv->cflag & PARENB) { 2372 /* note USA_PARITY_NONE == 0 */ 2373 msg.lcr |= (p_priv->cflag & PARODD) ? 2374 USA_PARITY_ODD : USA_PARITY_EVEN; 2375 } 2376 msg.setLcr = 0xff; 2377 2378 msg.ctsFlowControl = (p_priv->flow_control == flow_cts); 2379 msg.xonFlowControl = 0; 2380 msg.setFlowControl = 0xff; 2381 2382 msg.forwardingLength = 16; 2383 msg.xonChar = 17; 2384 msg.xoffChar = 19; 2385 2386 /* Opening port */ 2387 if (reset_port == 1) { 2388 msg._txOn = 1; 2389 msg._txOff = 0; 2390 msg.txFlush = 0; 2391 msg.txBreak = 0; 2392 msg.rxOn = 1; 2393 msg.rxOff = 0; 2394 msg.rxFlush = 1; 2395 msg.rxForward = 0; 2396 msg.returnStatus = 0; 2397 msg.resetDataToggle = 0xff; 2398 msg.enablePort = 1; 2399 msg.disablePort = 0; 2400 } 2401 /* Closing port */ 2402 else if (reset_port == 2) { 2403 msg._txOn = 0; 2404 msg._txOff = 1; 2405 msg.txFlush = 0; 2406 msg.txBreak = 0; 2407 msg.rxOn = 0; 2408 msg.rxOff = 1; 2409 msg.rxFlush = 1; 2410 msg.rxForward = 0; 2411 msg.returnStatus = 0; 2412 msg.resetDataToggle = 0; 2413 msg.enablePort = 0; 2414 msg.disablePort = 1; 2415 } 2416 /* Sending intermediate configs */ 2417 else { 2418 msg._txOn = (!p_priv->break_on); 2419 msg._txOff = 0; 2420 msg.txFlush = 0; 2421 msg.txBreak = (p_priv->break_on); 2422 msg.rxOn = 0; 2423 msg.rxOff = 0; 2424 msg.rxFlush = 0; 2425 msg.rxForward = 0; 2426 msg.returnStatus = 0; 2427 msg.resetDataToggle = 0x0; 2428 msg.enablePort = 0; 2429 msg.disablePort = 0; 2430 } 2431 2432 /* Do handshaking outputs */ 2433 msg.setRts = 0xff; 2434 msg.rts = p_priv->rts_state; 2435 2436 msg.setDtr = 0xff; 2437 msg.dtr = p_priv->dtr_state; 2438 2439 p_priv->resend_cont = 0; 2440 2441 /* if the device is a 49wg, we send control message on usb 2442 control EP 0 */ 2443 2444 if (d_details->product_id == keyspan_usa49wg_product_id) { 2445 dr = (void *)(s_priv->ctrl_buf); 2446 dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT; 2447 dr->bRequest = 0xB0; /* 49wg control message */ 2448 dr->wValue = 0; 2449 dr->wIndex = 0; 2450 dr->wLength = cpu_to_le16(sizeof(msg)); 2451 2452 memcpy(s_priv->glocont_buf, &msg, sizeof(msg)); 2453 2454 usb_fill_control_urb(this_urb, serial->dev, 2455 usb_sndctrlpipe(serial->dev, 0), 2456 (unsigned char *)dr, s_priv->glocont_buf, 2457 sizeof(msg), usa49_glocont_callback, serial); 2458 2459 } else { 2460 memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); 2461 2462 /* send the data out the device on control endpoint */ 2463 this_urb->transfer_buffer_length = sizeof(msg); 2464 } 2465 err = usb_submit_urb(this_urb, GFP_ATOMIC); 2466 if (err != 0) 2467 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); 2468 2469 return 0; 2470} 2471 2472static int keyspan_usa90_send_setup(struct usb_serial *serial, 2473 struct usb_serial_port *port, 2474 int reset_port) 2475{ 2476 struct keyspan_usa90_portControlMessage msg; 2477 struct keyspan_serial_private *s_priv; 2478 struct keyspan_port_private *p_priv; 2479 const struct keyspan_device_details *d_details; 2480 struct urb *this_urb; 2481 int err; 2482 u8 prescaler; 2483 2484 s_priv = usb_get_serial_data(serial); 2485 p_priv = usb_get_serial_port_data(port); 2486 d_details = s_priv->device_details; 2487 2488 /* only do something if we have a bulk out endpoint */ 2489 this_urb = p_priv->outcont_urb; 2490 if (this_urb == NULL) { 2491 dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); 2492 return -1; 2493 } 2494 2495 /* Save reset port val for resend. 2496 Don't overwrite resend for open/close condition. */ 2497 if ((reset_port + 1) > p_priv->resend_cont) 2498 p_priv->resend_cont = reset_port + 1; 2499 if (this_urb->status == -EINPROGRESS) { 2500 dev_dbg(&port->dev, "%s already writing\n", __func__); 2501 mdelay(5); 2502 return -1; 2503 } 2504 2505 memset(&msg, 0, sizeof(struct keyspan_usa90_portControlMessage)); 2506 2507 /* Only set baud rate if it's changed */ 2508 if (p_priv->old_baud != p_priv->baud) { 2509 p_priv->old_baud = p_priv->baud; 2510 msg.setClocking = 0x01; 2511 if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2512 &msg.baudHi, &msg.baudLo, &prescaler, 0) == KEYSPAN_INVALID_BAUD_RATE) { 2513 dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", 2514 __func__, p_priv->baud); 2515 p_priv->baud = 9600; 2516 d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2517 &msg.baudHi, &msg.baudLo, &prescaler, 0); 2518 } 2519 msg.setRxMode = 1; 2520 msg.setTxMode = 1; 2521 } 2522 2523 /* modes must always be correctly specified */ 2524 if (p_priv->baud > 57600) { 2525 msg.rxMode = RXMODE_DMA; 2526 msg.txMode = TXMODE_DMA; 2527 } else { 2528 msg.rxMode = RXMODE_BYHAND; 2529 msg.txMode = TXMODE_BYHAND; 2530 } 2531 2532 msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; 2533 switch (p_priv->cflag & CSIZE) { 2534 case CS5: 2535 msg.lcr |= USA_DATABITS_5; 2536 break; 2537 case CS6: 2538 msg.lcr |= USA_DATABITS_6; 2539 break; 2540 case CS7: 2541 msg.lcr |= USA_DATABITS_7; 2542 break; 2543 case CS8: 2544 msg.lcr |= USA_DATABITS_8; 2545 break; 2546 } 2547 if (p_priv->cflag & PARENB) { 2548 /* note USA_PARITY_NONE == 0 */ 2549 msg.lcr |= (p_priv->cflag & PARODD) ? 2550 USA_PARITY_ODD : USA_PARITY_EVEN; 2551 } 2552 if (p_priv->old_cflag != p_priv->cflag) { 2553 p_priv->old_cflag = p_priv->cflag; 2554 msg.setLcr = 0x01; 2555 } 2556 2557 if (p_priv->flow_control == flow_cts) 2558 msg.txFlowControl = TXFLOW_CTS; 2559 msg.setTxFlowControl = 0x01; 2560 msg.setRxFlowControl = 0x01; 2561 2562 msg.rxForwardingLength = 16; 2563 msg.rxForwardingTimeout = 16; 2564 msg.txAckSetting = 0; 2565 msg.xonChar = 17; 2566 msg.xoffChar = 19; 2567 2568 /* Opening port */ 2569 if (reset_port == 1) { 2570 msg.portEnabled = 1; 2571 msg.rxFlush = 1; 2572 msg.txBreak = (p_priv->break_on); 2573 } 2574 /* Closing port */ 2575 else if (reset_port == 2) 2576 msg.portEnabled = 0; 2577 /* Sending intermediate configs */ 2578 else { 2579 msg.portEnabled = 1; 2580 msg.txBreak = (p_priv->break_on); 2581 } 2582 2583 /* Do handshaking outputs */ 2584 msg.setRts = 0x01; 2585 msg.rts = p_priv->rts_state; 2586 2587 msg.setDtr = 0x01; 2588 msg.dtr = p_priv->dtr_state; 2589 2590 p_priv->resend_cont = 0; 2591 memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); 2592 2593 /* send the data out the device on control endpoint */ 2594 this_urb->transfer_buffer_length = sizeof(msg); 2595 2596 err = usb_submit_urb(this_urb, GFP_ATOMIC); 2597 if (err != 0) 2598 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); 2599 return 0; 2600} 2601 2602static int keyspan_usa67_send_setup(struct usb_serial *serial, 2603 struct usb_serial_port *port, 2604 int reset_port) 2605{ 2606 struct keyspan_usa67_portControlMessage msg; 2607 struct keyspan_serial_private *s_priv; 2608 struct keyspan_port_private *p_priv; 2609 const struct keyspan_device_details *d_details; 2610 struct urb *this_urb; 2611 int err, device_port; 2612 2613 s_priv = usb_get_serial_data(serial); 2614 p_priv = usb_get_serial_port_data(port); 2615 d_details = s_priv->device_details; 2616 2617 this_urb = s_priv->glocont_urb; 2618 2619 /* Work out which port within the device is being setup */ 2620 device_port = port->port_number; 2621 2622 /* Make sure we have an urb then send the message */ 2623 if (this_urb == NULL) { 2624 dev_dbg(&port->dev, "%s - oops no urb for port.\n", __func__); 2625 return -1; 2626 } 2627 2628 /* Save reset port val for resend. 2629 Don't overwrite resend for open/close condition. */ 2630 if ((reset_port + 1) > p_priv->resend_cont) 2631 p_priv->resend_cont = reset_port + 1; 2632 if (this_urb->status == -EINPROGRESS) { 2633 /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ 2634 mdelay(5); 2635 return -1; 2636 } 2637 2638 memset(&msg, 0, sizeof(struct keyspan_usa67_portControlMessage)); 2639 2640 msg.port = device_port; 2641 2642 /* Only set baud rate if it's changed */ 2643 if (p_priv->old_baud != p_priv->baud) { 2644 p_priv->old_baud = p_priv->baud; 2645 msg.setClocking = 0xff; 2646 if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2647 &msg.baudHi, &msg.baudLo, &msg.prescaler, 2648 device_port) == KEYSPAN_INVALID_BAUD_RATE) { 2649 dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", 2650 __func__, p_priv->baud); 2651 msg.baudLo = 0; 2652 msg.baudHi = 125; /* Values for 9600 baud */ 2653 msg.prescaler = 10; 2654 } 2655 msg.setPrescaler = 0xff; 2656 } 2657 2658 msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; 2659 switch (p_priv->cflag & CSIZE) { 2660 case CS5: 2661 msg.lcr |= USA_DATABITS_5; 2662 break; 2663 case CS6: 2664 msg.lcr |= USA_DATABITS_6; 2665 break; 2666 case CS7: 2667 msg.lcr |= USA_DATABITS_7; 2668 break; 2669 case CS8: 2670 msg.lcr |= USA_DATABITS_8; 2671 break; 2672 } 2673 if (p_priv->cflag & PARENB) { 2674 /* note USA_PARITY_NONE == 0 */ 2675 msg.lcr |= (p_priv->cflag & PARODD) ? 2676 USA_PARITY_ODD : USA_PARITY_EVEN; 2677 } 2678 msg.setLcr = 0xff; 2679 2680 msg.ctsFlowControl = (p_priv->flow_control == flow_cts); 2681 msg.xonFlowControl = 0; 2682 msg.setFlowControl = 0xff; 2683 msg.forwardingLength = 16; 2684 msg.xonChar = 17; 2685 msg.xoffChar = 19; 2686 2687 if (reset_port == 1) { 2688 /* Opening port */ 2689 msg._txOn = 1; 2690 msg._txOff = 0; 2691 msg.txFlush = 0; 2692 msg.txBreak = 0; 2693 msg.rxOn = 1; 2694 msg.rxOff = 0; 2695 msg.rxFlush = 1; 2696 msg.rxForward = 0; 2697 msg.returnStatus = 0; 2698 msg.resetDataToggle = 0xff; 2699 } else if (reset_port == 2) { 2700 /* Closing port */ 2701 msg._txOn = 0; 2702 msg._txOff = 1; 2703 msg.txFlush = 0; 2704 msg.txBreak = 0; 2705 msg.rxOn = 0; 2706 msg.rxOff = 1; 2707 msg.rxFlush = 1; 2708 msg.rxForward = 0; 2709 msg.returnStatus = 0; 2710 msg.resetDataToggle = 0; 2711 } else { 2712 /* Sending intermediate configs */ 2713 msg._txOn = (!p_priv->break_on); 2714 msg._txOff = 0; 2715 msg.txFlush = 0; 2716 msg.txBreak = (p_priv->break_on); 2717 msg.rxOn = 0; 2718 msg.rxOff = 0; 2719 msg.rxFlush = 0; 2720 msg.rxForward = 0; 2721 msg.returnStatus = 0; 2722 msg.resetDataToggle = 0x0; 2723 } 2724 2725 /* Do handshaking outputs */ 2726 msg.setTxTriState_setRts = 0xff; 2727 msg.txTriState_rts = p_priv->rts_state; 2728 2729 msg.setHskoa_setDtr = 0xff; 2730 msg.hskoa_dtr = p_priv->dtr_state; 2731 2732 p_priv->resend_cont = 0; 2733 2734 memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); 2735 2736 /* send the data out the device on control endpoint */ 2737 this_urb->transfer_buffer_length = sizeof(msg); 2738 2739 err = usb_submit_urb(this_urb, GFP_ATOMIC); 2740 if (err != 0) 2741 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); 2742 return 0; 2743} 2744 2745static void keyspan_send_setup(struct usb_serial_port *port, int reset_port) 2746{ 2747 struct usb_serial *serial = port->serial; 2748 struct keyspan_serial_private *s_priv; 2749 const struct keyspan_device_details *d_details; 2750 2751 s_priv = usb_get_serial_data(serial); 2752 d_details = s_priv->device_details; 2753 2754 switch (d_details->msg_format) { 2755 case msg_usa26: 2756 keyspan_usa26_send_setup(serial, port, reset_port); 2757 break; 2758 case msg_usa28: 2759 keyspan_usa28_send_setup(serial, port, reset_port); 2760 break; 2761 case msg_usa49: 2762 keyspan_usa49_send_setup(serial, port, reset_port); 2763 break; 2764 case msg_usa90: 2765 keyspan_usa90_send_setup(serial, port, reset_port); 2766 break; 2767 case msg_usa67: 2768 keyspan_usa67_send_setup(serial, port, reset_port); 2769 break; 2770 } 2771} 2772 2773 2774/* Gets called by the "real" driver (ie once firmware is loaded 2775 and renumeration has taken place. */ 2776static int keyspan_startup(struct usb_serial *serial) 2777{ 2778 int i, err; 2779 struct keyspan_serial_private *s_priv; 2780 const struct keyspan_device_details *d_details; 2781 2782 for (i = 0; (d_details = keyspan_devices[i]) != NULL; ++i) 2783 if (d_details->product_id == 2784 le16_to_cpu(serial->dev->descriptor.idProduct)) 2785 break; 2786 if (d_details == NULL) { 2787 dev_err(&serial->dev->dev, "%s - unknown product id %x\n", 2788 __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); 2789 return -ENODEV; 2790 } 2791 2792 /* Setup private data for serial driver */ 2793 s_priv = kzalloc(sizeof(struct keyspan_serial_private), GFP_KERNEL); 2794 if (!s_priv) 2795 return -ENOMEM; 2796 2797 s_priv->instat_buf = kzalloc(INSTAT_BUFLEN, GFP_KERNEL); 2798 if (!s_priv->instat_buf) 2799 goto err_instat_buf; 2800 2801 s_priv->indat_buf = kzalloc(INDAT49W_BUFLEN, GFP_KERNEL); 2802 if (!s_priv->indat_buf) 2803 goto err_indat_buf; 2804 2805 s_priv->glocont_buf = kzalloc(GLOCONT_BUFLEN, GFP_KERNEL); 2806 if (!s_priv->glocont_buf) 2807 goto err_glocont_buf; 2808 2809 s_priv->ctrl_buf = kzalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL); 2810 if (!s_priv->ctrl_buf) 2811 goto err_ctrl_buf; 2812 2813 s_priv->device_details = d_details; 2814 usb_set_serial_data(serial, s_priv); 2815 2816 keyspan_setup_urbs(serial); 2817 2818 if (s_priv->instat_urb != NULL) { 2819 err = usb_submit_urb(s_priv->instat_urb, GFP_KERNEL); 2820 if (err != 0) 2821 dev_dbg(&serial->dev->dev, "%s - submit instat urb failed %d\n", __func__, err); 2822 } 2823 if (s_priv->indat_urb != NULL) { 2824 err = usb_submit_urb(s_priv->indat_urb, GFP_KERNEL); 2825 if (err != 0) 2826 dev_dbg(&serial->dev->dev, "%s - submit indat urb failed %d\n", __func__, err); 2827 } 2828 2829 return 0; 2830 2831err_ctrl_buf: 2832 kfree(s_priv->glocont_buf); 2833err_glocont_buf: 2834 kfree(s_priv->indat_buf); 2835err_indat_buf: 2836 kfree(s_priv->instat_buf); 2837err_instat_buf: 2838 kfree(s_priv); 2839 2840 return -ENOMEM; 2841} 2842 2843static void keyspan_disconnect(struct usb_serial *serial) 2844{ 2845 struct keyspan_serial_private *s_priv; 2846 2847 s_priv = usb_get_serial_data(serial); 2848 2849 usb_kill_urb(s_priv->instat_urb); 2850 usb_kill_urb(s_priv->glocont_urb); 2851 usb_kill_urb(s_priv->indat_urb); 2852} 2853 2854static void keyspan_release(struct usb_serial *serial) 2855{ 2856 struct keyspan_serial_private *s_priv; 2857 2858 s_priv = usb_get_serial_data(serial); 2859 2860 /* Make sure to unlink the URBs submitted in attach. */ 2861 usb_kill_urb(s_priv->instat_urb); 2862 usb_kill_urb(s_priv->indat_urb); 2863 2864 usb_free_urb(s_priv->instat_urb); 2865 usb_free_urb(s_priv->indat_urb); 2866 usb_free_urb(s_priv->glocont_urb); 2867 2868 kfree(s_priv->ctrl_buf); 2869 kfree(s_priv->glocont_buf); 2870 kfree(s_priv->indat_buf); 2871 kfree(s_priv->instat_buf); 2872 2873 kfree(s_priv); 2874} 2875 2876static int keyspan_port_probe(struct usb_serial_port *port) 2877{ 2878 struct usb_serial *serial = port->serial; 2879 struct keyspan_serial_private *s_priv; 2880 struct keyspan_port_private *p_priv; 2881 const struct keyspan_device_details *d_details; 2882 struct callbacks *cback; 2883 int endp; 2884 int port_num; 2885 int i; 2886 2887 s_priv = usb_get_serial_data(serial); 2888 d_details = s_priv->device_details; 2889 2890 p_priv = kzalloc(sizeof(*p_priv), GFP_KERNEL); 2891 if (!p_priv) 2892 return -ENOMEM; 2893 2894 for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) { 2895 p_priv->in_buffer[i] = kzalloc(IN_BUFLEN, GFP_KERNEL); 2896 if (!p_priv->in_buffer[i]) 2897 goto err_free_in_buffer; 2898 } 2899 2900 for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) { 2901 p_priv->out_buffer[i] = kzalloc(OUT_BUFLEN, GFP_KERNEL); 2902 if (!p_priv->out_buffer[i]) 2903 goto err_free_out_buffer; 2904 } 2905 2906 p_priv->inack_buffer = kzalloc(INACK_BUFLEN, GFP_KERNEL); 2907 if (!p_priv->inack_buffer) 2908 goto err_free_out_buffer; 2909 2910 p_priv->outcont_buffer = kzalloc(OUTCONT_BUFLEN, GFP_KERNEL); 2911 if (!p_priv->outcont_buffer) 2912 goto err_free_inack_buffer; 2913 2914 p_priv->device_details = d_details; 2915 2916 /* Setup values for the various callback routines */ 2917 cback = &keyspan_callbacks[d_details->msg_format]; 2918 2919 port_num = port->port_number; 2920 2921 /* Do indat endpoints first, once for each flip */ 2922 endp = d_details->indat_endpoints[port_num]; 2923 for (i = 0; i <= d_details->indat_endp_flip; ++i, ++endp) { 2924 p_priv->in_urbs[i] = keyspan_setup_urb(serial, endp, 2925 USB_DIR_IN, port, 2926 p_priv->in_buffer[i], 2927 IN_BUFLEN, 2928 cback->indat_callback); 2929 } 2930 /* outdat endpoints also have flip */ 2931 endp = d_details->outdat_endpoints[port_num]; 2932 for (i = 0; i <= d_details->outdat_endp_flip; ++i, ++endp) { 2933 p_priv->out_urbs[i] = keyspan_setup_urb(serial, endp, 2934 USB_DIR_OUT, port, 2935 p_priv->out_buffer[i], 2936 OUT_BUFLEN, 2937 cback->outdat_callback); 2938 } 2939 /* inack endpoint */ 2940 p_priv->inack_urb = keyspan_setup_urb(serial, 2941 d_details->inack_endpoints[port_num], 2942 USB_DIR_IN, port, 2943 p_priv->inack_buffer, 2944 INACK_BUFLEN, 2945 cback->inack_callback); 2946 /* outcont endpoint */ 2947 p_priv->outcont_urb = keyspan_setup_urb(serial, 2948 d_details->outcont_endpoints[port_num], 2949 USB_DIR_OUT, port, 2950 p_priv->outcont_buffer, 2951 OUTCONT_BUFLEN, 2952 cback->outcont_callback); 2953 2954 usb_set_serial_port_data(port, p_priv); 2955 2956 return 0; 2957 2958err_free_inack_buffer: 2959 kfree(p_priv->inack_buffer); 2960err_free_out_buffer: 2961 for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) 2962 kfree(p_priv->out_buffer[i]); 2963err_free_in_buffer: 2964 for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) 2965 kfree(p_priv->in_buffer[i]); 2966 kfree(p_priv); 2967 2968 return -ENOMEM; 2969} 2970 2971static void keyspan_port_remove(struct usb_serial_port *port) 2972{ 2973 struct keyspan_port_private *p_priv; 2974 int i; 2975 2976 p_priv = usb_get_serial_port_data(port); 2977 2978 usb_kill_urb(p_priv->inack_urb); 2979 usb_kill_urb(p_priv->outcont_urb); 2980 for (i = 0; i < 2; i++) { 2981 usb_kill_urb(p_priv->in_urbs[i]); 2982 usb_kill_urb(p_priv->out_urbs[i]); 2983 } 2984 2985 usb_free_urb(p_priv->inack_urb); 2986 usb_free_urb(p_priv->outcont_urb); 2987 for (i = 0; i < 2; i++) { 2988 usb_free_urb(p_priv->in_urbs[i]); 2989 usb_free_urb(p_priv->out_urbs[i]); 2990 } 2991 2992 kfree(p_priv->outcont_buffer); 2993 kfree(p_priv->inack_buffer); 2994 for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) 2995 kfree(p_priv->out_buffer[i]); 2996 for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) 2997 kfree(p_priv->in_buffer[i]); 2998 2999 kfree(p_priv); 3000} 3001 3002/* Structs for the devices, pre and post renumeration. */ 3003static struct usb_serial_driver keyspan_pre_device = { 3004 .driver = { 3005 .owner = THIS_MODULE, 3006 .name = "keyspan_no_firm", 3007 }, 3008 .description = "Keyspan - (without firmware)", 3009 .id_table = keyspan_pre_ids, 3010 .num_ports = 1, 3011 .attach = keyspan_fake_startup, 3012}; 3013 3014static struct usb_serial_driver keyspan_1port_device = { 3015 .driver = { 3016 .owner = THIS_MODULE, 3017 .name = "keyspan_1", 3018 }, 3019 .description = "Keyspan 1 port adapter", 3020 .id_table = keyspan_1port_ids, 3021 .num_ports = 1, 3022 .open = keyspan_open, 3023 .close = keyspan_close, 3024 .dtr_rts = keyspan_dtr_rts, 3025 .write = keyspan_write, 3026 .write_room = keyspan_write_room, 3027 .set_termios = keyspan_set_termios, 3028 .break_ctl = keyspan_break_ctl, 3029 .tiocmget = keyspan_tiocmget, 3030 .tiocmset = keyspan_tiocmset, 3031 .attach = keyspan_startup, 3032 .disconnect = keyspan_disconnect, 3033 .release = keyspan_release, 3034 .port_probe = keyspan_port_probe, 3035 .port_remove = keyspan_port_remove, 3036}; 3037 3038static struct usb_serial_driver keyspan_2port_device = { 3039 .driver = { 3040 .owner = THIS_MODULE, 3041 .name = "keyspan_2", 3042 }, 3043 .description = "Keyspan 2 port adapter", 3044 .id_table = keyspan_2port_ids, 3045 .num_ports = 2, 3046 .open = keyspan_open, 3047 .close = keyspan_close, 3048 .dtr_rts = keyspan_dtr_rts, 3049 .write = keyspan_write, 3050 .write_room = keyspan_write_room, 3051 .set_termios = keyspan_set_termios, 3052 .break_ctl = keyspan_break_ctl, 3053 .tiocmget = keyspan_tiocmget, 3054 .tiocmset = keyspan_tiocmset, 3055 .attach = keyspan_startup, 3056 .disconnect = keyspan_disconnect, 3057 .release = keyspan_release, 3058 .port_probe = keyspan_port_probe, 3059 .port_remove = keyspan_port_remove, 3060}; 3061 3062static struct usb_serial_driver keyspan_4port_device = { 3063 .driver = { 3064 .owner = THIS_MODULE, 3065 .name = "keyspan_4", 3066 }, 3067 .description = "Keyspan 4 port adapter", 3068 .id_table = keyspan_4port_ids, 3069 .num_ports = 4, 3070 .open = keyspan_open, 3071 .close = keyspan_close, 3072 .dtr_rts = keyspan_dtr_rts, 3073 .write = keyspan_write, 3074 .write_room = keyspan_write_room, 3075 .set_termios = keyspan_set_termios, 3076 .break_ctl = keyspan_break_ctl, 3077 .tiocmget = keyspan_tiocmget, 3078 .tiocmset = keyspan_tiocmset, 3079 .attach = keyspan_startup, 3080 .disconnect = keyspan_disconnect, 3081 .release = keyspan_release, 3082 .port_probe = keyspan_port_probe, 3083 .port_remove = keyspan_port_remove, 3084}; 3085 3086static struct usb_serial_driver * const serial_drivers[] = { 3087 &keyspan_pre_device, &keyspan_1port_device, 3088 &keyspan_2port_device, &keyspan_4port_device, NULL 3089}; 3090 3091module_usb_serial_driver(serial_drivers, keyspan_ids_combined); 3092 3093MODULE_AUTHOR(DRIVER_AUTHOR); 3094MODULE_DESCRIPTION(DRIVER_DESC); 3095MODULE_LICENSE("GPL"); 3096 3097MODULE_FIRMWARE("keyspan/usa28.fw"); 3098MODULE_FIRMWARE("keyspan/usa28x.fw"); 3099MODULE_FIRMWARE("keyspan/usa28xa.fw"); 3100MODULE_FIRMWARE("keyspan/usa28xb.fw"); 3101MODULE_FIRMWARE("keyspan/usa19.fw"); 3102MODULE_FIRMWARE("keyspan/usa19qi.fw"); 3103MODULE_FIRMWARE("keyspan/mpr.fw"); 3104MODULE_FIRMWARE("keyspan/usa19qw.fw"); 3105MODULE_FIRMWARE("keyspan/usa18x.fw"); 3106MODULE_FIRMWARE("keyspan/usa19w.fw"); 3107MODULE_FIRMWARE("keyspan/usa49w.fw"); 3108MODULE_FIRMWARE("keyspan/usa49wlc.fw"); 3109