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 44 static void keyspan_send_setup(struct usb_serial_port *port, int reset_port); 45 46 static 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); 50 static 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); 54 static 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); 58 static 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 63 static int keyspan_usa28_send_setup(struct usb_serial *serial, 64 struct usb_serial_port *port, 65 int reset_port); 66 static int keyspan_usa26_send_setup(struct usb_serial *serial, 67 struct usb_serial_port *port, 68 int reset_port); 69 static int keyspan_usa49_send_setup(struct usb_serial *serial, 70 struct usb_serial_port *port, 71 int reset_port); 72 static int keyspan_usa90_send_setup(struct usb_serial *serial, 73 struct usb_serial_port *port, 74 int reset_port); 75 static 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 134 135 struct 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 */ 185 186 static 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 }; 202 203 static 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 }; 219 220 static 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 }; 236 237 static 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 }; 253 254 static 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 }; 270 271 static 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 }; 287 288 static 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 }; 304 305 static 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 }; 321 322 static 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 }; 338 339 static 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 }; 355 356 static 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 */ 376 377 static 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 }; 393 394 static 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 }; 410 411 static 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 }; 427 428 static 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 }; 446 447 static 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 }; 476 477 MODULE_DEVICE_TABLE(usb, keyspan_ids_combined); 478 479 /* usb_device_id table for the pre-firmware download keyspan devices */ 480 static 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 }; 495 496 static 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 }; 506 507 static 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 }; 514 515 static 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 */ 531 struct 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 }; 547 548 struct 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" 600 601 602 static 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 } 619 620 621 static 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 } 657 658 static 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 } 673 674 static 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 */ 694 static 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 } 766 767 static 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 */ 827 static 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 } 838 839 static void usa26_inack_callback(struct urb *urb) 840 { 841 } 842 843 static 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 } 857 858 static 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); 901 resubmit: 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); 906 exit: ; 907 } 908 909 static void usa26_glocont_callback(struct urb *urb) 910 { 911 } 912 913 914 static 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); 924 925 if (urb != p_priv->in_urbs[p_priv->in_flip]) 926 return; 927 928 do { 929 if (status) { 930 dev_dbg(&urb->dev->dev, "%s - nonzero status %d on endpoint %x\n", 931 __func__, status, usb_pipeendpoint(urb->pipe)); 932 return; 933 } 934 935 port = urb->context; 936 p_priv = usb_get_serial_port_data(port); 937 data = urb->transfer_buffer; 938 939 if (urb->actual_length) { 940 tty_insert_flip_string(&port->port, data, 941 urb->actual_length); 942 tty_flip_buffer_push(&port->port); 943 } 944 945 /* Resubmit urb so we continue receiving */ 946 err = usb_submit_urb(urb, GFP_ATOMIC); 947 if (err != 0) 948 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", 949 __func__, err); 950 p_priv->in_flip ^= 1; 951 952 urb = p_priv->in_urbs[p_priv->in_flip]; 953 } while (urb->status != -EINPROGRESS); 954 } 955 956 static void usa28_inack_callback(struct urb *urb) 957 { 958 } 959 960 static void usa28_outcont_callback(struct urb *urb) 961 { 962 struct usb_serial_port *port; 963 struct keyspan_port_private *p_priv; 964 965 port = urb->context; 966 p_priv = usb_get_serial_port_data(port); 967 968 if (p_priv->resend_cont) { 969 dev_dbg(&port->dev, "%s - sending setup\n", __func__); 970 keyspan_usa28_send_setup(port->serial, port, 971 p_priv->resend_cont - 1); 972 } 973 } 974 975 static void usa28_instat_callback(struct urb *urb) 976 { 977 int err; 978 unsigned char *data = urb->transfer_buffer; 979 struct keyspan_usa28_portStatusMessage *msg; 980 struct usb_serial *serial; 981 struct usb_serial_port *port; 982 struct keyspan_port_private *p_priv; 983 int old_dcd_state; 984 int status = urb->status; 985 986 serial = urb->context; 987 988 if (status) { 989 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 990 __func__, status); 991 return; 992 } 993 994 if (urb->actual_length != sizeof(struct keyspan_usa28_portStatusMessage)) { 995 dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); 996 goto exit; 997 } 998 999 msg = (struct keyspan_usa28_portStatusMessage *)data; 1000 1001 /* Check port number from message and retrieve private data */ 1002 if (msg->port >= serial->num_ports) { 1003 dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); 1004 goto exit; 1005 } 1006 port = serial->port[msg->port]; 1007 p_priv = usb_get_serial_port_data(port); 1008 if (!p_priv) 1009 goto resubmit; 1010 1011 /* Update handshaking pin state information */ 1012 old_dcd_state = p_priv->dcd_state; 1013 p_priv->cts_state = ((msg->cts) ? 1 : 0); 1014 p_priv->dsr_state = ((msg->dsr) ? 1 : 0); 1015 p_priv->dcd_state = ((msg->dcd) ? 1 : 0); 1016 p_priv->ri_state = ((msg->ri) ? 1 : 0); 1017 1018 if (old_dcd_state != p_priv->dcd_state && old_dcd_state) 1019 tty_port_tty_hangup(&port->port, true); 1020 resubmit: 1021 /* Resubmit urb so we continue receiving */ 1022 err = usb_submit_urb(urb, GFP_ATOMIC); 1023 if (err != 0) 1024 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1025 exit: ; 1026 } 1027 1028 static void usa28_glocont_callback(struct urb *urb) 1029 { 1030 } 1031 1032 1033 static void usa49_glocont_callback(struct urb *urb) 1034 { 1035 struct usb_serial *serial; 1036 struct usb_serial_port *port; 1037 struct keyspan_port_private *p_priv; 1038 int i; 1039 1040 serial = urb->context; 1041 for (i = 0; i < serial->num_ports; ++i) { 1042 port = serial->port[i]; 1043 p_priv = usb_get_serial_port_data(port); 1044 if (!p_priv) 1045 continue; 1046 1047 if (p_priv->resend_cont) { 1048 dev_dbg(&port->dev, "%s - sending setup\n", __func__); 1049 keyspan_usa49_send_setup(serial, port, 1050 p_priv->resend_cont - 1); 1051 break; 1052 } 1053 } 1054 } 1055 1056 /* This is actually called glostat in the Keyspan 1057 doco */ 1058 static void usa49_instat_callback(struct urb *urb) 1059 { 1060 int err; 1061 unsigned char *data = urb->transfer_buffer; 1062 struct keyspan_usa49_portStatusMessage *msg; 1063 struct usb_serial *serial; 1064 struct usb_serial_port *port; 1065 struct keyspan_port_private *p_priv; 1066 int old_dcd_state; 1067 int status = urb->status; 1068 1069 serial = urb->context; 1070 1071 if (status) { 1072 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 1073 __func__, status); 1074 return; 1075 } 1076 1077 if (urb->actual_length != 1078 sizeof(struct keyspan_usa49_portStatusMessage)) { 1079 dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); 1080 goto exit; 1081 } 1082 1083 msg = (struct keyspan_usa49_portStatusMessage *)data; 1084 1085 /* Check port number from message and retrieve private data */ 1086 if (msg->portNumber >= serial->num_ports) { 1087 dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", 1088 __func__, msg->portNumber); 1089 goto exit; 1090 } 1091 port = serial->port[msg->portNumber]; 1092 p_priv = usb_get_serial_port_data(port); 1093 if (!p_priv) 1094 goto resubmit; 1095 1096 /* Update handshaking pin state information */ 1097 old_dcd_state = p_priv->dcd_state; 1098 p_priv->cts_state = ((msg->cts) ? 1 : 0); 1099 p_priv->dsr_state = ((msg->dsr) ? 1 : 0); 1100 p_priv->dcd_state = ((msg->dcd) ? 1 : 0); 1101 p_priv->ri_state = ((msg->ri) ? 1 : 0); 1102 1103 if (old_dcd_state != p_priv->dcd_state && old_dcd_state) 1104 tty_port_tty_hangup(&port->port, true); 1105 resubmit: 1106 /* Resubmit urb so we continue receiving */ 1107 err = usb_submit_urb(urb, GFP_ATOMIC); 1108 if (err != 0) 1109 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1110 exit: ; 1111 } 1112 1113 static void usa49_inack_callback(struct urb *urb) 1114 { 1115 } 1116 1117 static void usa49_indat_callback(struct urb *urb) 1118 { 1119 int i, err; 1120 int endpoint; 1121 struct usb_serial_port *port; 1122 unsigned char *data = urb->transfer_buffer; 1123 int status = urb->status; 1124 1125 endpoint = usb_pipeendpoint(urb->pipe); 1126 1127 if (status) { 1128 dev_dbg(&urb->dev->dev, "%s - nonzero status %d on endpoint %x\n", 1129 __func__, status, endpoint); 1130 return; 1131 } 1132 1133 port = urb->context; 1134 if (urb->actual_length) { 1135 /* 0x80 bit is error flag */ 1136 if ((data[0] & 0x80) == 0) { 1137 /* no error on any byte */ 1138 tty_insert_flip_string(&port->port, data + 1, 1139 urb->actual_length - 1); 1140 } else { 1141 /* some bytes had errors, every byte has status */ 1142 for (i = 0; i + 1 < urb->actual_length; i += 2) { 1143 int stat = data[i]; 1144 int flag = TTY_NORMAL; 1145 1146 if (stat & RXERROR_OVERRUN) { 1147 tty_insert_flip_char(&port->port, 0, 1148 TTY_OVERRUN); 1149 } 1150 /* XXX should handle break (0x10) */ 1151 if (stat & RXERROR_PARITY) 1152 flag = TTY_PARITY; 1153 else if (stat & RXERROR_FRAMING) 1154 flag = TTY_FRAME; 1155 1156 tty_insert_flip_char(&port->port, data[i+1], 1157 flag); 1158 } 1159 } 1160 tty_flip_buffer_push(&port->port); 1161 } 1162 1163 /* Resubmit urb so we continue receiving */ 1164 err = usb_submit_urb(urb, GFP_ATOMIC); 1165 if (err != 0) 1166 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1167 } 1168 1169 static void usa49wg_indat_callback(struct urb *urb) 1170 { 1171 int i, len, x, err; 1172 struct usb_serial *serial; 1173 struct usb_serial_port *port; 1174 unsigned char *data = urb->transfer_buffer; 1175 int status = urb->status; 1176 1177 serial = urb->context; 1178 1179 if (status) { 1180 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 1181 __func__, status); 1182 return; 1183 } 1184 1185 /* inbound data is in the form P#, len, status, data */ 1186 i = 0; 1187 len = 0; 1188 1189 while (i < urb->actual_length) { 1190 if (urb->actual_length - i < 3) { 1191 dev_warn_ratelimited(&urb->dev->dev, "malformed indat packet\n"); 1192 break; 1193 } 1194 1195 /* Check port number from message */ 1196 if (data[i] >= serial->num_ports) { 1197 dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", 1198 __func__, data[i]); 1199 return; 1200 } 1201 port = serial->port[data[i++]]; 1202 len = data[i++]; 1203 1204 /* 0x80 bit is error flag */ 1205 if ((data[i] & 0x80) == 0) { 1206 /* no error on any byte */ 1207 i++; 1208 for (x = 1; x < len && i < urb->actual_length; ++x) 1209 tty_insert_flip_char(&port->port, 1210 data[i++], 0); 1211 } else { 1212 /* 1213 * some bytes had errors, every byte has status 1214 */ 1215 for (x = 0; x + 1 < len && 1216 i + 1 < urb->actual_length; x += 2) { 1217 int stat = data[i]; 1218 int flag = TTY_NORMAL; 1219 1220 if (stat & RXERROR_OVERRUN) { 1221 tty_insert_flip_char(&port->port, 0, 1222 TTY_OVERRUN); 1223 } 1224 /* XXX should handle break (0x10) */ 1225 if (stat & RXERROR_PARITY) 1226 flag = TTY_PARITY; 1227 else if (stat & RXERROR_FRAMING) 1228 flag = TTY_FRAME; 1229 1230 tty_insert_flip_char(&port->port, data[i+1], 1231 flag); 1232 i += 2; 1233 } 1234 } 1235 tty_flip_buffer_push(&port->port); 1236 } 1237 1238 /* Resubmit urb so we continue receiving */ 1239 err = usb_submit_urb(urb, GFP_ATOMIC); 1240 if (err != 0) 1241 dev_dbg(&urb->dev->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1242 } 1243 1244 /* not used, usa-49 doesn't have per-port control endpoints */ 1245 static void usa49_outcont_callback(struct urb *urb) 1246 { 1247 } 1248 1249 static void usa90_indat_callback(struct urb *urb) 1250 { 1251 int i, err; 1252 int endpoint; 1253 struct usb_serial_port *port; 1254 struct keyspan_port_private *p_priv; 1255 unsigned char *data = urb->transfer_buffer; 1256 int status = urb->status; 1257 1258 endpoint = usb_pipeendpoint(urb->pipe); 1259 1260 if (status) { 1261 dev_dbg(&urb->dev->dev, "%s - nonzero status %d on endpoint %x\n", 1262 __func__, status, endpoint); 1263 return; 1264 } 1265 1266 port = urb->context; 1267 p_priv = usb_get_serial_port_data(port); 1268 1269 if (urb->actual_length) { 1270 /* if current mode is DMA, looks like usa28 format 1271 otherwise looks like usa26 data format */ 1272 1273 if (p_priv->baud > 57600) 1274 tty_insert_flip_string(&port->port, data, 1275 urb->actual_length); 1276 else { 1277 /* 0x80 bit is error flag */ 1278 if ((data[0] & 0x80) == 0) { 1279 /* no errors on individual bytes, only 1280 possible overrun err*/ 1281 if (data[0] & RXERROR_OVERRUN) { 1282 tty_insert_flip_char(&port->port, 0, 1283 TTY_OVERRUN); 1284 } 1285 for (i = 1; i < urb->actual_length ; ++i) 1286 tty_insert_flip_char(&port->port, 1287 data[i], TTY_NORMAL); 1288 } else { 1289 /* some bytes had errors, every byte has status */ 1290 dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); 1291 for (i = 0; i + 1 < urb->actual_length; i += 2) { 1292 int stat = data[i]; 1293 int flag = TTY_NORMAL; 1294 1295 if (stat & RXERROR_OVERRUN) { 1296 tty_insert_flip_char( 1297 &port->port, 0, 1298 TTY_OVERRUN); 1299 } 1300 /* XXX should handle break (0x10) */ 1301 if (stat & RXERROR_PARITY) 1302 flag = TTY_PARITY; 1303 else if (stat & RXERROR_FRAMING) 1304 flag = TTY_FRAME; 1305 1306 tty_insert_flip_char(&port->port, 1307 data[i+1], flag); 1308 } 1309 } 1310 } 1311 tty_flip_buffer_push(&port->port); 1312 } 1313 1314 /* Resubmit urb so we continue receiving */ 1315 err = usb_submit_urb(urb, GFP_ATOMIC); 1316 if (err != 0) 1317 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1318 } 1319 1320 1321 static void usa90_instat_callback(struct urb *urb) 1322 { 1323 unsigned char *data = urb->transfer_buffer; 1324 struct keyspan_usa90_portStatusMessage *msg; 1325 struct usb_serial *serial; 1326 struct usb_serial_port *port; 1327 struct keyspan_port_private *p_priv; 1328 int old_dcd_state, err; 1329 int status = urb->status; 1330 1331 serial = urb->context; 1332 1333 if (status) { 1334 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 1335 __func__, status); 1336 return; 1337 } 1338 if (urb->actual_length < 14) { 1339 dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); 1340 goto exit; 1341 } 1342 1343 msg = (struct keyspan_usa90_portStatusMessage *)data; 1344 1345 /* Now do something useful with the data */ 1346 1347 port = serial->port[0]; 1348 p_priv = usb_get_serial_port_data(port); 1349 if (!p_priv) 1350 goto resubmit; 1351 1352 /* Update handshaking pin state information */ 1353 old_dcd_state = p_priv->dcd_state; 1354 p_priv->cts_state = ((msg->cts) ? 1 : 0); 1355 p_priv->dsr_state = ((msg->dsr) ? 1 : 0); 1356 p_priv->dcd_state = ((msg->dcd) ? 1 : 0); 1357 p_priv->ri_state = ((msg->ri) ? 1 : 0); 1358 1359 if (old_dcd_state != p_priv->dcd_state && old_dcd_state) 1360 tty_port_tty_hangup(&port->port, true); 1361 resubmit: 1362 /* Resubmit urb so we continue receiving */ 1363 err = usb_submit_urb(urb, GFP_ATOMIC); 1364 if (err != 0) 1365 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1366 exit: 1367 ; 1368 } 1369 1370 static void usa90_outcont_callback(struct urb *urb) 1371 { 1372 struct usb_serial_port *port; 1373 struct keyspan_port_private *p_priv; 1374 1375 port = urb->context; 1376 p_priv = usb_get_serial_port_data(port); 1377 1378 if (p_priv->resend_cont) { 1379 dev_dbg(&urb->dev->dev, "%s - sending setup\n", __func__); 1380 keyspan_usa90_send_setup(port->serial, port, 1381 p_priv->resend_cont - 1); 1382 } 1383 } 1384 1385 /* Status messages from the 28xg */ 1386 static void usa67_instat_callback(struct urb *urb) 1387 { 1388 int err; 1389 unsigned char *data = urb->transfer_buffer; 1390 struct keyspan_usa67_portStatusMessage *msg; 1391 struct usb_serial *serial; 1392 struct usb_serial_port *port; 1393 struct keyspan_port_private *p_priv; 1394 int old_dcd_state; 1395 int status = urb->status; 1396 1397 serial = urb->context; 1398 1399 if (status) { 1400 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 1401 __func__, status); 1402 return; 1403 } 1404 1405 if (urb->actual_length != 1406 sizeof(struct keyspan_usa67_portStatusMessage)) { 1407 dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); 1408 return; 1409 } 1410 1411 1412 /* Now do something useful with the data */ 1413 msg = (struct keyspan_usa67_portStatusMessage *)data; 1414 1415 /* Check port number from message and retrieve private data */ 1416 if (msg->port >= serial->num_ports) { 1417 dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); 1418 return; 1419 } 1420 1421 port = serial->port[msg->port]; 1422 p_priv = usb_get_serial_port_data(port); 1423 if (!p_priv) 1424 goto resubmit; 1425 1426 /* Update handshaking pin state information */ 1427 old_dcd_state = p_priv->dcd_state; 1428 p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); 1429 p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); 1430 1431 if (old_dcd_state != p_priv->dcd_state && old_dcd_state) 1432 tty_port_tty_hangup(&port->port, true); 1433 resubmit: 1434 /* Resubmit urb so we continue receiving */ 1435 err = usb_submit_urb(urb, GFP_ATOMIC); 1436 if (err != 0) 1437 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1438 } 1439 1440 static void usa67_glocont_callback(struct urb *urb) 1441 { 1442 struct usb_serial *serial; 1443 struct usb_serial_port *port; 1444 struct keyspan_port_private *p_priv; 1445 int i; 1446 1447 serial = urb->context; 1448 for (i = 0; i < serial->num_ports; ++i) { 1449 port = serial->port[i]; 1450 p_priv = usb_get_serial_port_data(port); 1451 if (!p_priv) 1452 continue; 1453 1454 if (p_priv->resend_cont) { 1455 dev_dbg(&port->dev, "%s - sending setup\n", __func__); 1456 keyspan_usa67_send_setup(serial, port, 1457 p_priv->resend_cont - 1); 1458 break; 1459 } 1460 } 1461 } 1462 1463 static unsigned int keyspan_write_room(struct tty_struct *tty) 1464 { 1465 struct usb_serial_port *port = tty->driver_data; 1466 struct keyspan_port_private *p_priv; 1467 const struct keyspan_device_details *d_details; 1468 int flip; 1469 unsigned int data_len; 1470 struct urb *this_urb; 1471 1472 p_priv = usb_get_serial_port_data(port); 1473 d_details = p_priv->device_details; 1474 1475 /* FIXME: locking */ 1476 if (d_details->msg_format == msg_usa90) 1477 data_len = 64; 1478 else 1479 data_len = 63; 1480 1481 flip = p_priv->out_flip; 1482 1483 /* Check both endpoints to see if any are available. */ 1484 this_urb = p_priv->out_urbs[flip]; 1485 if (this_urb != NULL) { 1486 if (this_urb->status != -EINPROGRESS) 1487 return data_len; 1488 flip = (flip + 1) & d_details->outdat_endp_flip; 1489 this_urb = p_priv->out_urbs[flip]; 1490 if (this_urb != NULL) { 1491 if (this_urb->status != -EINPROGRESS) 1492 return data_len; 1493 } 1494 } 1495 return 0; 1496 } 1497 1498 1499 static int keyspan_open(struct tty_struct *tty, struct usb_serial_port *port) 1500 { 1501 struct keyspan_port_private *p_priv; 1502 const struct keyspan_device_details *d_details; 1503 int i, err; 1504 int baud_rate, device_port; 1505 struct urb *urb; 1506 unsigned int cflag = 0; 1507 1508 p_priv = usb_get_serial_port_data(port); 1509 d_details = p_priv->device_details; 1510 1511 /* Set some sane defaults */ 1512 p_priv->rts_state = 1; 1513 p_priv->dtr_state = 1; 1514 p_priv->baud = 9600; 1515 1516 /* force baud and lcr to be set on open */ 1517 p_priv->old_baud = 0; 1518 p_priv->old_cflag = 0; 1519 1520 p_priv->out_flip = 0; 1521 p_priv->in_flip = 0; 1522 1523 /* Reset low level data toggle and start reading from endpoints */ 1524 for (i = 0; i < 2; i++) { 1525 urb = p_priv->in_urbs[i]; 1526 if (urb == NULL) 1527 continue; 1528 1529 /* make sure endpoint data toggle is synchronized 1530 with the device */ 1531 usb_clear_halt(urb->dev, urb->pipe); 1532 err = usb_submit_urb(urb, GFP_KERNEL); 1533 if (err != 0) 1534 dev_dbg(&port->dev, "%s - submit urb %d failed (%d)\n", __func__, i, err); 1535 } 1536 1537 /* Reset low level data toggle on out endpoints */ 1538 for (i = 0; i < 2; i++) { 1539 urb = p_priv->out_urbs[i]; 1540 if (urb == NULL) 1541 continue; 1542 /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), 1543 usb_pipeout(urb->pipe), 0); */ 1544 } 1545 1546 /* get the terminal config for the setup message now so we don't 1547 * need to send 2 of them */ 1548 1549 device_port = port->port_number; 1550 if (tty) { 1551 cflag = tty->termios.c_cflag; 1552 /* Baud rate calculation takes baud rate as an integer 1553 so other rates can be generated if desired. */ 1554 baud_rate = tty_get_baud_rate(tty); 1555 /* If no match or invalid, leave as default */ 1556 if (baud_rate >= 0 1557 && d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, 1558 NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { 1559 p_priv->baud = baud_rate; 1560 } 1561 } 1562 /* set CTS/RTS handshake etc. */ 1563 p_priv->cflag = cflag; 1564 p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; 1565 1566 keyspan_send_setup(port, 1); 1567 /* mdelay(100); */ 1568 /* keyspan_set_termios(port, NULL); */ 1569 1570 return 0; 1571 } 1572 1573 static void keyspan_dtr_rts(struct usb_serial_port *port, int on) 1574 { 1575 struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); 1576 1577 p_priv->rts_state = on; 1578 p_priv->dtr_state = on; 1579 keyspan_send_setup(port, 0); 1580 } 1581 1582 static void keyspan_close(struct usb_serial_port *port) 1583 { 1584 int i; 1585 struct keyspan_port_private *p_priv; 1586 1587 p_priv = usb_get_serial_port_data(port); 1588 1589 p_priv->rts_state = 0; 1590 p_priv->dtr_state = 0; 1591 1592 keyspan_send_setup(port, 2); 1593 /* pilot-xfer seems to work best with this delay */ 1594 mdelay(100); 1595 1596 p_priv->out_flip = 0; 1597 p_priv->in_flip = 0; 1598 1599 usb_kill_urb(p_priv->inack_urb); 1600 for (i = 0; i < 2; i++) { 1601 usb_kill_urb(p_priv->in_urbs[i]); 1602 usb_kill_urb(p_priv->out_urbs[i]); 1603 } 1604 } 1605 1606 /* download the firmware to a pre-renumeration device */ 1607 static int keyspan_fake_startup(struct usb_serial *serial) 1608 { 1609 char *fw_name; 1610 1611 dev_dbg(&serial->dev->dev, "Keyspan startup version %04x product %04x\n", 1612 le16_to_cpu(serial->dev->descriptor.bcdDevice), 1613 le16_to_cpu(serial->dev->descriptor.idProduct)); 1614 1615 if ((le16_to_cpu(serial->dev->descriptor.bcdDevice) & 0x8000) 1616 != 0x8000) { 1617 dev_dbg(&serial->dev->dev, "Firmware already loaded. Quitting.\n"); 1618 return 1; 1619 } 1620 1621 /* Select firmware image on the basis of idProduct */ 1622 switch (le16_to_cpu(serial->dev->descriptor.idProduct)) { 1623 case keyspan_usa28_pre_product_id: 1624 fw_name = "keyspan/usa28.fw"; 1625 break; 1626 1627 case keyspan_usa28x_pre_product_id: 1628 fw_name = "keyspan/usa28x.fw"; 1629 break; 1630 1631 case keyspan_usa28xa_pre_product_id: 1632 fw_name = "keyspan/usa28xa.fw"; 1633 break; 1634 1635 case keyspan_usa28xb_pre_product_id: 1636 fw_name = "keyspan/usa28xb.fw"; 1637 break; 1638 1639 case keyspan_usa19_pre_product_id: 1640 fw_name = "keyspan/usa19.fw"; 1641 break; 1642 1643 case keyspan_usa19qi_pre_product_id: 1644 fw_name = "keyspan/usa19qi.fw"; 1645 break; 1646 1647 case keyspan_mpr_pre_product_id: 1648 fw_name = "keyspan/mpr.fw"; 1649 break; 1650 1651 case keyspan_usa19qw_pre_product_id: 1652 fw_name = "keyspan/usa19qw.fw"; 1653 break; 1654 1655 case keyspan_usa18x_pre_product_id: 1656 fw_name = "keyspan/usa18x.fw"; 1657 break; 1658 1659 case keyspan_usa19w_pre_product_id: 1660 fw_name = "keyspan/usa19w.fw"; 1661 break; 1662 1663 case keyspan_usa49w_pre_product_id: 1664 fw_name = "keyspan/usa49w.fw"; 1665 break; 1666 1667 case keyspan_usa49wlc_pre_product_id: 1668 fw_name = "keyspan/usa49wlc.fw"; 1669 break; 1670 1671 default: 1672 dev_err(&serial->dev->dev, "Unknown product ID (%04x)\n", 1673 le16_to_cpu(serial->dev->descriptor.idProduct)); 1674 return 1; 1675 } 1676 1677 dev_dbg(&serial->dev->dev, "Uploading Keyspan %s firmware.\n", fw_name); 1678 1679 if (ezusb_fx1_ihex_firmware_download(serial->dev, fw_name) < 0) { 1680 dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n", 1681 fw_name); 1682 return -ENOENT; 1683 } 1684 1685 /* after downloading firmware Renumeration will occur in a 1686 moment and the new device will bind to the real driver */ 1687 1688 /* we don't want this device to have a driver assigned to it. */ 1689 return 1; 1690 } 1691 1692 /* Helper functions used by keyspan_setup_urbs */ 1693 static struct usb_endpoint_descriptor const *find_ep(struct usb_serial const *serial, 1694 int endpoint) 1695 { 1696 struct usb_host_interface *iface_desc; 1697 struct usb_endpoint_descriptor *ep; 1698 int i; 1699 1700 iface_desc = serial->interface->cur_altsetting; 1701 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { 1702 ep = &iface_desc->endpoint[i].desc; 1703 if (ep->bEndpointAddress == endpoint) 1704 return ep; 1705 } 1706 dev_warn(&serial->interface->dev, "found no endpoint descriptor for endpoint %x\n", 1707 endpoint); 1708 return NULL; 1709 } 1710 1711 static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint, 1712 int dir, void *ctx, char *buf, int len, 1713 void (*callback)(struct urb *)) 1714 { 1715 struct urb *urb; 1716 struct usb_endpoint_descriptor const *ep_desc; 1717 char const *ep_type_name; 1718 1719 if (endpoint == -1) 1720 return NULL; /* endpoint not needed */ 1721 1722 dev_dbg(&serial->interface->dev, "%s - alloc for endpoint %x\n", 1723 __func__, endpoint); 1724 urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ 1725 if (!urb) 1726 return NULL; 1727 1728 if (endpoint == 0) { 1729 /* control EP filled in when used */ 1730 return urb; 1731 } 1732 1733 ep_desc = find_ep(serial, endpoint); 1734 if (!ep_desc) { 1735 usb_free_urb(urb); 1736 return NULL; 1737 } 1738 if (usb_endpoint_xfer_int(ep_desc)) { 1739 ep_type_name = "INT"; 1740 usb_fill_int_urb(urb, serial->dev, 1741 usb_sndintpipe(serial->dev, endpoint) | dir, 1742 buf, len, callback, ctx, 1743 ep_desc->bInterval); 1744 } else if (usb_endpoint_xfer_bulk(ep_desc)) { 1745 ep_type_name = "BULK"; 1746 usb_fill_bulk_urb(urb, serial->dev, 1747 usb_sndbulkpipe(serial->dev, endpoint) | dir, 1748 buf, len, callback, ctx); 1749 } else { 1750 dev_warn(&serial->interface->dev, 1751 "unsupported endpoint type %x\n", 1752 usb_endpoint_type(ep_desc)); 1753 usb_free_urb(urb); 1754 return NULL; 1755 } 1756 1757 dev_dbg(&serial->interface->dev, "%s - using urb %p for %s endpoint %x\n", 1758 __func__, urb, ep_type_name, endpoint); 1759 return urb; 1760 } 1761 1762 static struct callbacks { 1763 void (*instat_callback)(struct urb *); 1764 void (*glocont_callback)(struct urb *); 1765 void (*indat_callback)(struct urb *); 1766 void (*outdat_callback)(struct urb *); 1767 void (*inack_callback)(struct urb *); 1768 void (*outcont_callback)(struct urb *); 1769 } keyspan_callbacks[] = { 1770 { 1771 /* msg_usa26 callbacks */ 1772 .instat_callback = usa26_instat_callback, 1773 .glocont_callback = usa26_glocont_callback, 1774 .indat_callback = usa26_indat_callback, 1775 .outdat_callback = usa2x_outdat_callback, 1776 .inack_callback = usa26_inack_callback, 1777 .outcont_callback = usa26_outcont_callback, 1778 }, { 1779 /* msg_usa28 callbacks */ 1780 .instat_callback = usa28_instat_callback, 1781 .glocont_callback = usa28_glocont_callback, 1782 .indat_callback = usa28_indat_callback, 1783 .outdat_callback = usa2x_outdat_callback, 1784 .inack_callback = usa28_inack_callback, 1785 .outcont_callback = usa28_outcont_callback, 1786 }, { 1787 /* msg_usa49 callbacks */ 1788 .instat_callback = usa49_instat_callback, 1789 .glocont_callback = usa49_glocont_callback, 1790 .indat_callback = usa49_indat_callback, 1791 .outdat_callback = usa2x_outdat_callback, 1792 .inack_callback = usa49_inack_callback, 1793 .outcont_callback = usa49_outcont_callback, 1794 }, { 1795 /* msg_usa90 callbacks */ 1796 .instat_callback = usa90_instat_callback, 1797 .glocont_callback = usa28_glocont_callback, 1798 .indat_callback = usa90_indat_callback, 1799 .outdat_callback = usa2x_outdat_callback, 1800 .inack_callback = usa28_inack_callback, 1801 .outcont_callback = usa90_outcont_callback, 1802 }, { 1803 /* msg_usa67 callbacks */ 1804 .instat_callback = usa67_instat_callback, 1805 .glocont_callback = usa67_glocont_callback, 1806 .indat_callback = usa26_indat_callback, 1807 .outdat_callback = usa2x_outdat_callback, 1808 .inack_callback = usa26_inack_callback, 1809 .outcont_callback = usa26_outcont_callback, 1810 } 1811 }; 1812 1813 /* Generic setup urbs function that uses 1814 data in device_details */ 1815 static void keyspan_setup_urbs(struct usb_serial *serial) 1816 { 1817 struct keyspan_serial_private *s_priv; 1818 const struct keyspan_device_details *d_details; 1819 struct callbacks *cback; 1820 1821 s_priv = usb_get_serial_data(serial); 1822 d_details = s_priv->device_details; 1823 1824 /* Setup values for the various callback routines */ 1825 cback = &keyspan_callbacks[d_details->msg_format]; 1826 1827 /* Allocate and set up urbs for each one that is in use, 1828 starting with instat endpoints */ 1829 s_priv->instat_urb = keyspan_setup_urb 1830 (serial, d_details->instat_endpoint, USB_DIR_IN, 1831 serial, s_priv->instat_buf, INSTAT_BUFLEN, 1832 cback->instat_callback); 1833 1834 s_priv->indat_urb = keyspan_setup_urb 1835 (serial, d_details->indat_endpoint, USB_DIR_IN, 1836 serial, s_priv->indat_buf, INDAT49W_BUFLEN, 1837 usa49wg_indat_callback); 1838 1839 s_priv->glocont_urb = keyspan_setup_urb 1840 (serial, d_details->glocont_endpoint, USB_DIR_OUT, 1841 serial, s_priv->glocont_buf, GLOCONT_BUFLEN, 1842 cback->glocont_callback); 1843 } 1844 1845 /* usa19 function doesn't require prescaler */ 1846 static int keyspan_usa19_calc_baud(struct usb_serial_port *port, 1847 u32 baud_rate, u32 baudclk, u8 *rate_hi, 1848 u8 *rate_low, u8 *prescaler, int portnum) 1849 { 1850 u32 b16, /* baud rate times 16 (actual rate used internally) */ 1851 div, /* divisor */ 1852 cnt; /* inverse of divisor (programmed into 8051) */ 1853 1854 dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); 1855 1856 /* prevent divide by zero... */ 1857 b16 = baud_rate * 16L; 1858 if (b16 == 0) 1859 return KEYSPAN_INVALID_BAUD_RATE; 1860 /* Any "standard" rate over 57k6 is marginal on the USA-19 1861 as we run out of divisor resolution. */ 1862 if (baud_rate > 57600) 1863 return KEYSPAN_INVALID_BAUD_RATE; 1864 1865 /* calculate the divisor and the counter (its inverse) */ 1866 div = baudclk / b16; 1867 if (div == 0) 1868 return KEYSPAN_INVALID_BAUD_RATE; 1869 else 1870 cnt = 0 - div; 1871 1872 if (div > 0xffff) 1873 return KEYSPAN_INVALID_BAUD_RATE; 1874 1875 /* return the counter values if non-null */ 1876 if (rate_low) 1877 *rate_low = (u8) (cnt & 0xff); 1878 if (rate_hi) 1879 *rate_hi = (u8) ((cnt >> 8) & 0xff); 1880 if (rate_low && rate_hi) 1881 dev_dbg(&port->dev, "%s - %d %02x %02x.\n", 1882 __func__, baud_rate, *rate_hi, *rate_low); 1883 return KEYSPAN_BAUD_RATE_OK; 1884 } 1885 1886 /* usa19hs function doesn't require prescaler */ 1887 static int keyspan_usa19hs_calc_baud(struct usb_serial_port *port, 1888 u32 baud_rate, u32 baudclk, u8 *rate_hi, 1889 u8 *rate_low, u8 *prescaler, int portnum) 1890 { 1891 u32 b16, /* baud rate times 16 (actual rate used internally) */ 1892 div; /* divisor */ 1893 1894 dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); 1895 1896 /* prevent divide by zero... */ 1897 b16 = baud_rate * 16L; 1898 if (b16 == 0) 1899 return KEYSPAN_INVALID_BAUD_RATE; 1900 1901 /* calculate the divisor */ 1902 div = baudclk / b16; 1903 if (div == 0) 1904 return KEYSPAN_INVALID_BAUD_RATE; 1905 1906 if (div > 0xffff) 1907 return KEYSPAN_INVALID_BAUD_RATE; 1908 1909 /* return the counter values if non-null */ 1910 if (rate_low) 1911 *rate_low = (u8) (div & 0xff); 1912 1913 if (rate_hi) 1914 *rate_hi = (u8) ((div >> 8) & 0xff); 1915 1916 if (rate_low && rate_hi) 1917 dev_dbg(&port->dev, "%s - %d %02x %02x.\n", 1918 __func__, baud_rate, *rate_hi, *rate_low); 1919 1920 return KEYSPAN_BAUD_RATE_OK; 1921 } 1922 1923 static int keyspan_usa19w_calc_baud(struct usb_serial_port *port, 1924 u32 baud_rate, u32 baudclk, u8 *rate_hi, 1925 u8 *rate_low, u8 *prescaler, int portnum) 1926 { 1927 u32 b16, /* baud rate times 16 (actual rate used internally) */ 1928 clk, /* clock with 13/8 prescaler */ 1929 div, /* divisor using 13/8 prescaler */ 1930 res, /* resulting baud rate using 13/8 prescaler */ 1931 diff, /* error using 13/8 prescaler */ 1932 smallest_diff; 1933 u8 best_prescaler; 1934 int i; 1935 1936 dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); 1937 1938 /* prevent divide by zero */ 1939 b16 = baud_rate * 16L; 1940 if (b16 == 0) 1941 return KEYSPAN_INVALID_BAUD_RATE; 1942 1943 /* Calculate prescaler by trying them all and looking 1944 for best fit */ 1945 1946 /* start with largest possible difference */ 1947 smallest_diff = 0xffffffff; 1948 1949 /* 0 is an invalid prescaler, used as a flag */ 1950 best_prescaler = 0; 1951 1952 for (i = 8; i <= 0xff; ++i) { 1953 clk = (baudclk * 8) / (u32) i; 1954 1955 div = clk / b16; 1956 if (div == 0) 1957 continue; 1958 1959 res = clk / div; 1960 diff = (res > b16) ? (res-b16) : (b16-res); 1961 1962 if (diff < smallest_diff) { 1963 best_prescaler = i; 1964 smallest_diff = diff; 1965 } 1966 } 1967 1968 if (best_prescaler == 0) 1969 return KEYSPAN_INVALID_BAUD_RATE; 1970 1971 clk = (baudclk * 8) / (u32) best_prescaler; 1972 div = clk / b16; 1973 1974 /* return the divisor and prescaler if non-null */ 1975 if (rate_low) 1976 *rate_low = (u8) (div & 0xff); 1977 if (rate_hi) 1978 *rate_hi = (u8) ((div >> 8) & 0xff); 1979 if (prescaler) { 1980 *prescaler = best_prescaler; 1981 /* dev_dbg(&port->dev, "%s - %d %d\n", __func__, *prescaler, div); */ 1982 } 1983 return KEYSPAN_BAUD_RATE_OK; 1984 } 1985 1986 /* USA-28 supports different maximum baud rates on each port */ 1987 static int keyspan_usa28_calc_baud(struct usb_serial_port *port, 1988 u32 baud_rate, u32 baudclk, u8 *rate_hi, 1989 u8 *rate_low, u8 *prescaler, int portnum) 1990 { 1991 u32 b16, /* baud rate times 16 (actual rate used internally) */ 1992 div, /* divisor */ 1993 cnt; /* inverse of divisor (programmed into 8051) */ 1994 1995 dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); 1996 1997 /* prevent divide by zero */ 1998 b16 = baud_rate * 16L; 1999 if (b16 == 0) 2000 return KEYSPAN_INVALID_BAUD_RATE; 2001 2002 /* calculate the divisor and the counter (its inverse) */ 2003 div = KEYSPAN_USA28_BAUDCLK / b16; 2004 if (div == 0) 2005 return KEYSPAN_INVALID_BAUD_RATE; 2006 else 2007 cnt = 0 - div; 2008 2009 /* check for out of range, based on portnum, 2010 and return result */ 2011 if (portnum == 0) { 2012 if (div > 0xffff) 2013 return KEYSPAN_INVALID_BAUD_RATE; 2014 } else { 2015 if (portnum == 1) { 2016 if (div > 0xff) 2017 return KEYSPAN_INVALID_BAUD_RATE; 2018 } else 2019 return KEYSPAN_INVALID_BAUD_RATE; 2020 } 2021 2022 /* return the counter values if not NULL 2023 (port 1 will ignore retHi) */ 2024 if (rate_low) 2025 *rate_low = (u8) (cnt & 0xff); 2026 if (rate_hi) 2027 *rate_hi = (u8) ((cnt >> 8) & 0xff); 2028 dev_dbg(&port->dev, "%s - %d OK.\n", __func__, baud_rate); 2029 return KEYSPAN_BAUD_RATE_OK; 2030 } 2031 2032 static int keyspan_usa26_send_setup(struct usb_serial *serial, 2033 struct usb_serial_port *port, 2034 int reset_port) 2035 { 2036 struct keyspan_usa26_portControlMessage msg; 2037 struct keyspan_serial_private *s_priv; 2038 struct keyspan_port_private *p_priv; 2039 const struct keyspan_device_details *d_details; 2040 struct urb *this_urb; 2041 int device_port, err; 2042 2043 dev_dbg(&port->dev, "%s reset=%d\n", __func__, reset_port); 2044 2045 s_priv = usb_get_serial_data(serial); 2046 p_priv = usb_get_serial_port_data(port); 2047 d_details = s_priv->device_details; 2048 device_port = port->port_number; 2049 2050 this_urb = p_priv->outcont_urb; 2051 2052 /* Make sure we have an urb then send the message */ 2053 if (this_urb == NULL) { 2054 dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); 2055 return -1; 2056 } 2057 2058 dev_dbg(&port->dev, "%s - endpoint %x\n", 2059 __func__, usb_pipeendpoint(this_urb->pipe)); 2060 2061 /* Save reset port val for resend. 2062 Don't overwrite resend for open/close condition. */ 2063 if ((reset_port + 1) > p_priv->resend_cont) 2064 p_priv->resend_cont = reset_port + 1; 2065 if (this_urb->status == -EINPROGRESS) { 2066 /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ 2067 mdelay(5); 2068 return -1; 2069 } 2070 2071 memset(&msg, 0, sizeof(struct keyspan_usa26_portControlMessage)); 2072 2073 /* Only set baud rate if it's changed */ 2074 if (p_priv->old_baud != p_priv->baud) { 2075 p_priv->old_baud = p_priv->baud; 2076 msg.setClocking = 0xff; 2077 if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2078 &msg.baudHi, &msg.baudLo, &msg.prescaler, 2079 device_port) == KEYSPAN_INVALID_BAUD_RATE) { 2080 dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", 2081 __func__, p_priv->baud); 2082 msg.baudLo = 0; 2083 msg.baudHi = 125; /* Values for 9600 baud */ 2084 msg.prescaler = 10; 2085 } 2086 msg.setPrescaler = 0xff; 2087 } 2088 2089 msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; 2090 switch (p_priv->cflag & CSIZE) { 2091 case CS5: 2092 msg.lcr |= USA_DATABITS_5; 2093 break; 2094 case CS6: 2095 msg.lcr |= USA_DATABITS_6; 2096 break; 2097 case CS7: 2098 msg.lcr |= USA_DATABITS_7; 2099 break; 2100 case CS8: 2101 msg.lcr |= USA_DATABITS_8; 2102 break; 2103 } 2104 if (p_priv->cflag & PARENB) { 2105 /* note USA_PARITY_NONE == 0 */ 2106 msg.lcr |= (p_priv->cflag & PARODD) ? 2107 USA_PARITY_ODD : USA_PARITY_EVEN; 2108 } 2109 msg.setLcr = 0xff; 2110 2111 msg.ctsFlowControl = (p_priv->flow_control == flow_cts); 2112 msg.xonFlowControl = 0; 2113 msg.setFlowControl = 0xff; 2114 msg.forwardingLength = 16; 2115 msg.xonChar = 17; 2116 msg.xoffChar = 19; 2117 2118 /* Opening port */ 2119 if (reset_port == 1) { 2120 msg._txOn = 1; 2121 msg._txOff = 0; 2122 msg.txFlush = 0; 2123 msg.txBreak = 0; 2124 msg.rxOn = 1; 2125 msg.rxOff = 0; 2126 msg.rxFlush = 1; 2127 msg.rxForward = 0; 2128 msg.returnStatus = 0; 2129 msg.resetDataToggle = 0xff; 2130 } 2131 2132 /* Closing port */ 2133 else if (reset_port == 2) { 2134 msg._txOn = 0; 2135 msg._txOff = 1; 2136 msg.txFlush = 0; 2137 msg.txBreak = 0; 2138 msg.rxOn = 0; 2139 msg.rxOff = 1; 2140 msg.rxFlush = 1; 2141 msg.rxForward = 0; 2142 msg.returnStatus = 0; 2143 msg.resetDataToggle = 0; 2144 } 2145 2146 /* Sending intermediate configs */ 2147 else { 2148 msg._txOn = (!p_priv->break_on); 2149 msg._txOff = 0; 2150 msg.txFlush = 0; 2151 msg.txBreak = (p_priv->break_on); 2152 msg.rxOn = 0; 2153 msg.rxOff = 0; 2154 msg.rxFlush = 0; 2155 msg.rxForward = 0; 2156 msg.returnStatus = 0; 2157 msg.resetDataToggle = 0x0; 2158 } 2159 2160 /* Do handshaking outputs */ 2161 msg.setTxTriState_setRts = 0xff; 2162 msg.txTriState_rts = p_priv->rts_state; 2163 2164 msg.setHskoa_setDtr = 0xff; 2165 msg.hskoa_dtr = p_priv->dtr_state; 2166 2167 p_priv->resend_cont = 0; 2168 memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); 2169 2170 /* send the data out the device on control endpoint */ 2171 this_urb->transfer_buffer_length = sizeof(msg); 2172 2173 err = usb_submit_urb(this_urb, GFP_ATOMIC); 2174 if (err != 0) 2175 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); 2176 return 0; 2177 } 2178 2179 static int keyspan_usa28_send_setup(struct usb_serial *serial, 2180 struct usb_serial_port *port, 2181 int reset_port) 2182 { 2183 struct keyspan_usa28_portControlMessage msg; 2184 struct keyspan_serial_private *s_priv; 2185 struct keyspan_port_private *p_priv; 2186 const struct keyspan_device_details *d_details; 2187 struct urb *this_urb; 2188 int device_port, err; 2189 2190 s_priv = usb_get_serial_data(serial); 2191 p_priv = usb_get_serial_port_data(port); 2192 d_details = s_priv->device_details; 2193 device_port = port->port_number; 2194 2195 /* only do something if we have a bulk out endpoint */ 2196 this_urb = p_priv->outcont_urb; 2197 if (this_urb == NULL) { 2198 dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); 2199 return -1; 2200 } 2201 2202 /* Save reset port val for resend. 2203 Don't overwrite resend for open/close condition. */ 2204 if ((reset_port + 1) > p_priv->resend_cont) 2205 p_priv->resend_cont = reset_port + 1; 2206 if (this_urb->status == -EINPROGRESS) { 2207 dev_dbg(&port->dev, "%s already writing\n", __func__); 2208 mdelay(5); 2209 return -1; 2210 } 2211 2212 memset(&msg, 0, sizeof(struct keyspan_usa28_portControlMessage)); 2213 2214 msg.setBaudRate = 1; 2215 if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2216 &msg.baudHi, &msg.baudLo, NULL, 2217 device_port) == KEYSPAN_INVALID_BAUD_RATE) { 2218 dev_dbg(&port->dev, "%s - Invalid baud rate requested %d.\n", 2219 __func__, p_priv->baud); 2220 msg.baudLo = 0xff; 2221 msg.baudHi = 0xb2; /* Values for 9600 baud */ 2222 } 2223 2224 /* If parity is enabled, we must calculate it ourselves. */ 2225 msg.parity = 0; /* XXX for now */ 2226 2227 msg.ctsFlowControl = (p_priv->flow_control == flow_cts); 2228 msg.xonFlowControl = 0; 2229 2230 /* Do handshaking outputs, DTR is inverted relative to RTS */ 2231 msg.rts = p_priv->rts_state; 2232 msg.dtr = p_priv->dtr_state; 2233 2234 msg.forwardingLength = 16; 2235 msg.forwardMs = 10; 2236 msg.breakThreshold = 45; 2237 msg.xonChar = 17; 2238 msg.xoffChar = 19; 2239 2240 /*msg.returnStatus = 1; 2241 msg.resetDataToggle = 0xff;*/ 2242 /* Opening port */ 2243 if (reset_port == 1) { 2244 msg._txOn = 1; 2245 msg._txOff = 0; 2246 msg.txFlush = 0; 2247 msg.txForceXoff = 0; 2248 msg.txBreak = 0; 2249 msg.rxOn = 1; 2250 msg.rxOff = 0; 2251 msg.rxFlush = 1; 2252 msg.rxForward = 0; 2253 msg.returnStatus = 0; 2254 msg.resetDataToggle = 0xff; 2255 } 2256 /* Closing port */ 2257 else if (reset_port == 2) { 2258 msg._txOn = 0; 2259 msg._txOff = 1; 2260 msg.txFlush = 0; 2261 msg.txForceXoff = 0; 2262 msg.txBreak = 0; 2263 msg.rxOn = 0; 2264 msg.rxOff = 1; 2265 msg.rxFlush = 1; 2266 msg.rxForward = 0; 2267 msg.returnStatus = 0; 2268 msg.resetDataToggle = 0; 2269 } 2270 /* Sending intermediate configs */ 2271 else { 2272 msg._txOn = (!p_priv->break_on); 2273 msg._txOff = 0; 2274 msg.txFlush = 0; 2275 msg.txForceXoff = 0; 2276 msg.txBreak = (p_priv->break_on); 2277 msg.rxOn = 0; 2278 msg.rxOff = 0; 2279 msg.rxFlush = 0; 2280 msg.rxForward = 0; 2281 msg.returnStatus = 0; 2282 msg.resetDataToggle = 0x0; 2283 } 2284 2285 p_priv->resend_cont = 0; 2286 memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); 2287 2288 /* send the data out the device on control endpoint */ 2289 this_urb->transfer_buffer_length = sizeof(msg); 2290 2291 err = usb_submit_urb(this_urb, GFP_ATOMIC); 2292 if (err != 0) 2293 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed\n", __func__); 2294 2295 return 0; 2296 } 2297 2298 static int keyspan_usa49_send_setup(struct usb_serial *serial, 2299 struct usb_serial_port *port, 2300 int reset_port) 2301 { 2302 struct keyspan_usa49_portControlMessage msg; 2303 struct usb_ctrlrequest *dr = NULL; 2304 struct keyspan_serial_private *s_priv; 2305 struct keyspan_port_private *p_priv; 2306 const struct keyspan_device_details *d_details; 2307 struct urb *this_urb; 2308 int err, device_port; 2309 2310 s_priv = usb_get_serial_data(serial); 2311 p_priv = usb_get_serial_port_data(port); 2312 d_details = s_priv->device_details; 2313 2314 this_urb = s_priv->glocont_urb; 2315 2316 /* Work out which port within the device is being setup */ 2317 device_port = port->port_number; 2318 2319 /* Make sure we have an urb then send the message */ 2320 if (this_urb == NULL) { 2321 dev_dbg(&port->dev, "%s - oops no urb for port.\n", __func__); 2322 return -1; 2323 } 2324 2325 dev_dbg(&port->dev, "%s - endpoint %x (%d)\n", 2326 __func__, usb_pipeendpoint(this_urb->pipe), device_port); 2327 2328 /* Save reset port val for resend. 2329 Don't overwrite resend for open/close condition. */ 2330 if ((reset_port + 1) > p_priv->resend_cont) 2331 p_priv->resend_cont = reset_port + 1; 2332 2333 if (this_urb->status == -EINPROGRESS) { 2334 /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ 2335 mdelay(5); 2336 return -1; 2337 } 2338 2339 memset(&msg, 0, sizeof(struct keyspan_usa49_portControlMessage)); 2340 2341 msg.portNumber = device_port; 2342 2343 /* Only set baud rate if it's changed */ 2344 if (p_priv->old_baud != p_priv->baud) { 2345 p_priv->old_baud = p_priv->baud; 2346 msg.setClocking = 0xff; 2347 if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2348 &msg.baudHi, &msg.baudLo, &msg.prescaler, 2349 device_port) == KEYSPAN_INVALID_BAUD_RATE) { 2350 dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", 2351 __func__, p_priv->baud); 2352 msg.baudLo = 0; 2353 msg.baudHi = 125; /* Values for 9600 baud */ 2354 msg.prescaler = 10; 2355 } 2356 /* msg.setPrescaler = 0xff; */ 2357 } 2358 2359 msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; 2360 switch (p_priv->cflag & CSIZE) { 2361 case CS5: 2362 msg.lcr |= USA_DATABITS_5; 2363 break; 2364 case CS6: 2365 msg.lcr |= USA_DATABITS_6; 2366 break; 2367 case CS7: 2368 msg.lcr |= USA_DATABITS_7; 2369 break; 2370 case CS8: 2371 msg.lcr |= USA_DATABITS_8; 2372 break; 2373 } 2374 if (p_priv->cflag & PARENB) { 2375 /* note USA_PARITY_NONE == 0 */ 2376 msg.lcr |= (p_priv->cflag & PARODD) ? 2377 USA_PARITY_ODD : USA_PARITY_EVEN; 2378 } 2379 msg.setLcr = 0xff; 2380 2381 msg.ctsFlowControl = (p_priv->flow_control == flow_cts); 2382 msg.xonFlowControl = 0; 2383 msg.setFlowControl = 0xff; 2384 2385 msg.forwardingLength = 16; 2386 msg.xonChar = 17; 2387 msg.xoffChar = 19; 2388 2389 /* Opening port */ 2390 if (reset_port == 1) { 2391 msg._txOn = 1; 2392 msg._txOff = 0; 2393 msg.txFlush = 0; 2394 msg.txBreak = 0; 2395 msg.rxOn = 1; 2396 msg.rxOff = 0; 2397 msg.rxFlush = 1; 2398 msg.rxForward = 0; 2399 msg.returnStatus = 0; 2400 msg.resetDataToggle = 0xff; 2401 msg.enablePort = 1; 2402 msg.disablePort = 0; 2403 } 2404 /* Closing port */ 2405 else if (reset_port == 2) { 2406 msg._txOn = 0; 2407 msg._txOff = 1; 2408 msg.txFlush = 0; 2409 msg.txBreak = 0; 2410 msg.rxOn = 0; 2411 msg.rxOff = 1; 2412 msg.rxFlush = 1; 2413 msg.rxForward = 0; 2414 msg.returnStatus = 0; 2415 msg.resetDataToggle = 0; 2416 msg.enablePort = 0; 2417 msg.disablePort = 1; 2418 } 2419 /* Sending intermediate configs */ 2420 else { 2421 msg._txOn = (!p_priv->break_on); 2422 msg._txOff = 0; 2423 msg.txFlush = 0; 2424 msg.txBreak = (p_priv->break_on); 2425 msg.rxOn = 0; 2426 msg.rxOff = 0; 2427 msg.rxFlush = 0; 2428 msg.rxForward = 0; 2429 msg.returnStatus = 0; 2430 msg.resetDataToggle = 0x0; 2431 msg.enablePort = 0; 2432 msg.disablePort = 0; 2433 } 2434 2435 /* Do handshaking outputs */ 2436 msg.setRts = 0xff; 2437 msg.rts = p_priv->rts_state; 2438 2439 msg.setDtr = 0xff; 2440 msg.dtr = p_priv->dtr_state; 2441 2442 p_priv->resend_cont = 0; 2443 2444 /* if the device is a 49wg, we send control message on usb 2445 control EP 0 */ 2446 2447 if (d_details->product_id == keyspan_usa49wg_product_id) { 2448 dr = (void *)(s_priv->ctrl_buf); 2449 dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT; 2450 dr->bRequest = 0xB0; /* 49wg control message */ 2451 dr->wValue = 0; 2452 dr->wIndex = 0; 2453 dr->wLength = cpu_to_le16(sizeof(msg)); 2454 2455 memcpy(s_priv->glocont_buf, &msg, sizeof(msg)); 2456 2457 usb_fill_control_urb(this_urb, serial->dev, 2458 usb_sndctrlpipe(serial->dev, 0), 2459 (unsigned char *)dr, s_priv->glocont_buf, 2460 sizeof(msg), usa49_glocont_callback, serial); 2461 2462 } else { 2463 memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); 2464 2465 /* send the data out the device on control endpoint */ 2466 this_urb->transfer_buffer_length = sizeof(msg); 2467 } 2468 err = usb_submit_urb(this_urb, GFP_ATOMIC); 2469 if (err != 0) 2470 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); 2471 2472 return 0; 2473 } 2474 2475 static int keyspan_usa90_send_setup(struct usb_serial *serial, 2476 struct usb_serial_port *port, 2477 int reset_port) 2478 { 2479 struct keyspan_usa90_portControlMessage msg; 2480 struct keyspan_serial_private *s_priv; 2481 struct keyspan_port_private *p_priv; 2482 const struct keyspan_device_details *d_details; 2483 struct urb *this_urb; 2484 int err; 2485 u8 prescaler; 2486 2487 s_priv = usb_get_serial_data(serial); 2488 p_priv = usb_get_serial_port_data(port); 2489 d_details = s_priv->device_details; 2490 2491 /* only do something if we have a bulk out endpoint */ 2492 this_urb = p_priv->outcont_urb; 2493 if (this_urb == NULL) { 2494 dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); 2495 return -1; 2496 } 2497 2498 /* Save reset port val for resend. 2499 Don't overwrite resend for open/close condition. */ 2500 if ((reset_port + 1) > p_priv->resend_cont) 2501 p_priv->resend_cont = reset_port + 1; 2502 if (this_urb->status == -EINPROGRESS) { 2503 dev_dbg(&port->dev, "%s already writing\n", __func__); 2504 mdelay(5); 2505 return -1; 2506 } 2507 2508 memset(&msg, 0, sizeof(struct keyspan_usa90_portControlMessage)); 2509 2510 /* Only set baud rate if it's changed */ 2511 if (p_priv->old_baud != p_priv->baud) { 2512 p_priv->old_baud = p_priv->baud; 2513 msg.setClocking = 0x01; 2514 if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2515 &msg.baudHi, &msg.baudLo, &prescaler, 0) == KEYSPAN_INVALID_BAUD_RATE) { 2516 dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", 2517 __func__, p_priv->baud); 2518 p_priv->baud = 9600; 2519 d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2520 &msg.baudHi, &msg.baudLo, &prescaler, 0); 2521 } 2522 msg.setRxMode = 1; 2523 msg.setTxMode = 1; 2524 } 2525 2526 /* modes must always be correctly specified */ 2527 if (p_priv->baud > 57600) { 2528 msg.rxMode = RXMODE_DMA; 2529 msg.txMode = TXMODE_DMA; 2530 } else { 2531 msg.rxMode = RXMODE_BYHAND; 2532 msg.txMode = TXMODE_BYHAND; 2533 } 2534 2535 msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; 2536 switch (p_priv->cflag & CSIZE) { 2537 case CS5: 2538 msg.lcr |= USA_DATABITS_5; 2539 break; 2540 case CS6: 2541 msg.lcr |= USA_DATABITS_6; 2542 break; 2543 case CS7: 2544 msg.lcr |= USA_DATABITS_7; 2545 break; 2546 case CS8: 2547 msg.lcr |= USA_DATABITS_8; 2548 break; 2549 } 2550 if (p_priv->cflag & PARENB) { 2551 /* note USA_PARITY_NONE == 0 */ 2552 msg.lcr |= (p_priv->cflag & PARODD) ? 2553 USA_PARITY_ODD : USA_PARITY_EVEN; 2554 } 2555 if (p_priv->old_cflag != p_priv->cflag) { 2556 p_priv->old_cflag = p_priv->cflag; 2557 msg.setLcr = 0x01; 2558 } 2559 2560 if (p_priv->flow_control == flow_cts) 2561 msg.txFlowControl = TXFLOW_CTS; 2562 msg.setTxFlowControl = 0x01; 2563 msg.setRxFlowControl = 0x01; 2564 2565 msg.rxForwardingLength = 16; 2566 msg.rxForwardingTimeout = 16; 2567 msg.txAckSetting = 0; 2568 msg.xonChar = 17; 2569 msg.xoffChar = 19; 2570 2571 /* Opening port */ 2572 if (reset_port == 1) { 2573 msg.portEnabled = 1; 2574 msg.rxFlush = 1; 2575 msg.txBreak = (p_priv->break_on); 2576 } 2577 /* Closing port */ 2578 else if (reset_port == 2) 2579 msg.portEnabled = 0; 2580 /* Sending intermediate configs */ 2581 else { 2582 msg.portEnabled = 1; 2583 msg.txBreak = (p_priv->break_on); 2584 } 2585 2586 /* Do handshaking outputs */ 2587 msg.setRts = 0x01; 2588 msg.rts = p_priv->rts_state; 2589 2590 msg.setDtr = 0x01; 2591 msg.dtr = p_priv->dtr_state; 2592 2593 p_priv->resend_cont = 0; 2594 memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); 2595 2596 /* send the data out the device on control endpoint */ 2597 this_urb->transfer_buffer_length = sizeof(msg); 2598 2599 err = usb_submit_urb(this_urb, GFP_ATOMIC); 2600 if (err != 0) 2601 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); 2602 return 0; 2603 } 2604 2605 static int keyspan_usa67_send_setup(struct usb_serial *serial, 2606 struct usb_serial_port *port, 2607 int reset_port) 2608 { 2609 struct keyspan_usa67_portControlMessage msg; 2610 struct keyspan_serial_private *s_priv; 2611 struct keyspan_port_private *p_priv; 2612 const struct keyspan_device_details *d_details; 2613 struct urb *this_urb; 2614 int err, device_port; 2615 2616 s_priv = usb_get_serial_data(serial); 2617 p_priv = usb_get_serial_port_data(port); 2618 d_details = s_priv->device_details; 2619 2620 this_urb = s_priv->glocont_urb; 2621 2622 /* Work out which port within the device is being setup */ 2623 device_port = port->port_number; 2624 2625 /* Make sure we have an urb then send the message */ 2626 if (this_urb == NULL) { 2627 dev_dbg(&port->dev, "%s - oops no urb for port.\n", __func__); 2628 return -1; 2629 } 2630 2631 /* Save reset port val for resend. 2632 Don't overwrite resend for open/close condition. */ 2633 if ((reset_port + 1) > p_priv->resend_cont) 2634 p_priv->resend_cont = reset_port + 1; 2635 if (this_urb->status == -EINPROGRESS) { 2636 /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ 2637 mdelay(5); 2638 return -1; 2639 } 2640 2641 memset(&msg, 0, sizeof(struct keyspan_usa67_portControlMessage)); 2642 2643 msg.port = device_port; 2644 2645 /* Only set baud rate if it's changed */ 2646 if (p_priv->old_baud != p_priv->baud) { 2647 p_priv->old_baud = p_priv->baud; 2648 msg.setClocking = 0xff; 2649 if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2650 &msg.baudHi, &msg.baudLo, &msg.prescaler, 2651 device_port) == KEYSPAN_INVALID_BAUD_RATE) { 2652 dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", 2653 __func__, p_priv->baud); 2654 msg.baudLo = 0; 2655 msg.baudHi = 125; /* Values for 9600 baud */ 2656 msg.prescaler = 10; 2657 } 2658 msg.setPrescaler = 0xff; 2659 } 2660 2661 msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; 2662 switch (p_priv->cflag & CSIZE) { 2663 case CS5: 2664 msg.lcr |= USA_DATABITS_5; 2665 break; 2666 case CS6: 2667 msg.lcr |= USA_DATABITS_6; 2668 break; 2669 case CS7: 2670 msg.lcr |= USA_DATABITS_7; 2671 break; 2672 case CS8: 2673 msg.lcr |= USA_DATABITS_8; 2674 break; 2675 } 2676 if (p_priv->cflag & PARENB) { 2677 /* note USA_PARITY_NONE == 0 */ 2678 msg.lcr |= (p_priv->cflag & PARODD) ? 2679 USA_PARITY_ODD : USA_PARITY_EVEN; 2680 } 2681 msg.setLcr = 0xff; 2682 2683 msg.ctsFlowControl = (p_priv->flow_control == flow_cts); 2684 msg.xonFlowControl = 0; 2685 msg.setFlowControl = 0xff; 2686 msg.forwardingLength = 16; 2687 msg.xonChar = 17; 2688 msg.xoffChar = 19; 2689 2690 if (reset_port == 1) { 2691 /* Opening port */ 2692 msg._txOn = 1; 2693 msg._txOff = 0; 2694 msg.txFlush = 0; 2695 msg.txBreak = 0; 2696 msg.rxOn = 1; 2697 msg.rxOff = 0; 2698 msg.rxFlush = 1; 2699 msg.rxForward = 0; 2700 msg.returnStatus = 0; 2701 msg.resetDataToggle = 0xff; 2702 } else if (reset_port == 2) { 2703 /* Closing port */ 2704 msg._txOn = 0; 2705 msg._txOff = 1; 2706 msg.txFlush = 0; 2707 msg.txBreak = 0; 2708 msg.rxOn = 0; 2709 msg.rxOff = 1; 2710 msg.rxFlush = 1; 2711 msg.rxForward = 0; 2712 msg.returnStatus = 0; 2713 msg.resetDataToggle = 0; 2714 } else { 2715 /* Sending intermediate configs */ 2716 msg._txOn = (!p_priv->break_on); 2717 msg._txOff = 0; 2718 msg.txFlush = 0; 2719 msg.txBreak = (p_priv->break_on); 2720 msg.rxOn = 0; 2721 msg.rxOff = 0; 2722 msg.rxFlush = 0; 2723 msg.rxForward = 0; 2724 msg.returnStatus = 0; 2725 msg.resetDataToggle = 0x0; 2726 } 2727 2728 /* Do handshaking outputs */ 2729 msg.setTxTriState_setRts = 0xff; 2730 msg.txTriState_rts = p_priv->rts_state; 2731 2732 msg.setHskoa_setDtr = 0xff; 2733 msg.hskoa_dtr = p_priv->dtr_state; 2734 2735 p_priv->resend_cont = 0; 2736 2737 memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); 2738 2739 /* send the data out the device on control endpoint */ 2740 this_urb->transfer_buffer_length = sizeof(msg); 2741 2742 err = usb_submit_urb(this_urb, GFP_ATOMIC); 2743 if (err != 0) 2744 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); 2745 return 0; 2746 } 2747 2748 static void keyspan_send_setup(struct usb_serial_port *port, int reset_port) 2749 { 2750 struct usb_serial *serial = port->serial; 2751 struct keyspan_serial_private *s_priv; 2752 const struct keyspan_device_details *d_details; 2753 2754 s_priv = usb_get_serial_data(serial); 2755 d_details = s_priv->device_details; 2756 2757 switch (d_details->msg_format) { 2758 case msg_usa26: 2759 keyspan_usa26_send_setup(serial, port, reset_port); 2760 break; 2761 case msg_usa28: 2762 keyspan_usa28_send_setup(serial, port, reset_port); 2763 break; 2764 case msg_usa49: 2765 keyspan_usa49_send_setup(serial, port, reset_port); 2766 break; 2767 case msg_usa90: 2768 keyspan_usa90_send_setup(serial, port, reset_port); 2769 break; 2770 case msg_usa67: 2771 keyspan_usa67_send_setup(serial, port, reset_port); 2772 break; 2773 } 2774 } 2775 2776 2777 /* Gets called by the "real" driver (ie once firmware is loaded 2778 and renumeration has taken place. */ 2779 static int keyspan_startup(struct usb_serial *serial) 2780 { 2781 int i, err; 2782 struct keyspan_serial_private *s_priv; 2783 const struct keyspan_device_details *d_details; 2784 2785 for (i = 0; (d_details = keyspan_devices[i]) != NULL; ++i) 2786 if (d_details->product_id == 2787 le16_to_cpu(serial->dev->descriptor.idProduct)) 2788 break; 2789 if (d_details == NULL) { 2790 dev_err(&serial->dev->dev, "%s - unknown product id %x\n", 2791 __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); 2792 return -ENODEV; 2793 } 2794 2795 /* Setup private data for serial driver */ 2796 s_priv = kzalloc_obj(struct keyspan_serial_private); 2797 if (!s_priv) 2798 return -ENOMEM; 2799 2800 s_priv->instat_buf = kzalloc(INSTAT_BUFLEN, GFP_KERNEL); 2801 if (!s_priv->instat_buf) 2802 goto err_instat_buf; 2803 2804 s_priv->indat_buf = kzalloc(INDAT49W_BUFLEN, GFP_KERNEL); 2805 if (!s_priv->indat_buf) 2806 goto err_indat_buf; 2807 2808 s_priv->glocont_buf = kzalloc(GLOCONT_BUFLEN, GFP_KERNEL); 2809 if (!s_priv->glocont_buf) 2810 goto err_glocont_buf; 2811 2812 s_priv->ctrl_buf = kzalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL); 2813 if (!s_priv->ctrl_buf) 2814 goto err_ctrl_buf; 2815 2816 s_priv->device_details = d_details; 2817 usb_set_serial_data(serial, s_priv); 2818 2819 keyspan_setup_urbs(serial); 2820 2821 if (s_priv->instat_urb != NULL) { 2822 err = usb_submit_urb(s_priv->instat_urb, GFP_KERNEL); 2823 if (err != 0) 2824 dev_dbg(&serial->dev->dev, "%s - submit instat urb failed %d\n", __func__, err); 2825 } 2826 if (s_priv->indat_urb != NULL) { 2827 err = usb_submit_urb(s_priv->indat_urb, GFP_KERNEL); 2828 if (err != 0) 2829 dev_dbg(&serial->dev->dev, "%s - submit indat urb failed %d\n", __func__, err); 2830 } 2831 2832 return 0; 2833 2834 err_ctrl_buf: 2835 kfree(s_priv->glocont_buf); 2836 err_glocont_buf: 2837 kfree(s_priv->indat_buf); 2838 err_indat_buf: 2839 kfree(s_priv->instat_buf); 2840 err_instat_buf: 2841 kfree(s_priv); 2842 2843 return -ENOMEM; 2844 } 2845 2846 static void keyspan_disconnect(struct usb_serial *serial) 2847 { 2848 struct keyspan_serial_private *s_priv; 2849 2850 s_priv = usb_get_serial_data(serial); 2851 2852 usb_kill_urb(s_priv->instat_urb); 2853 usb_kill_urb(s_priv->glocont_urb); 2854 usb_kill_urb(s_priv->indat_urb); 2855 } 2856 2857 static void keyspan_release(struct usb_serial *serial) 2858 { 2859 struct keyspan_serial_private *s_priv; 2860 2861 s_priv = usb_get_serial_data(serial); 2862 2863 /* Make sure to unlink the URBs submitted in attach. */ 2864 usb_kill_urb(s_priv->instat_urb); 2865 usb_kill_urb(s_priv->indat_urb); 2866 2867 usb_free_urb(s_priv->instat_urb); 2868 usb_free_urb(s_priv->indat_urb); 2869 usb_free_urb(s_priv->glocont_urb); 2870 2871 kfree(s_priv->ctrl_buf); 2872 kfree(s_priv->glocont_buf); 2873 kfree(s_priv->indat_buf); 2874 kfree(s_priv->instat_buf); 2875 2876 kfree(s_priv); 2877 } 2878 2879 static int keyspan_port_probe(struct usb_serial_port *port) 2880 { 2881 struct usb_serial *serial = port->serial; 2882 struct keyspan_serial_private *s_priv; 2883 struct keyspan_port_private *p_priv; 2884 const struct keyspan_device_details *d_details; 2885 struct callbacks *cback; 2886 int endp; 2887 int port_num; 2888 int i; 2889 2890 s_priv = usb_get_serial_data(serial); 2891 d_details = s_priv->device_details; 2892 2893 p_priv = kzalloc_obj(*p_priv); 2894 if (!p_priv) 2895 return -ENOMEM; 2896 2897 for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) { 2898 p_priv->in_buffer[i] = kzalloc(IN_BUFLEN, GFP_KERNEL); 2899 if (!p_priv->in_buffer[i]) 2900 goto err_free_in_buffer; 2901 } 2902 2903 for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) { 2904 p_priv->out_buffer[i] = kzalloc(OUT_BUFLEN, GFP_KERNEL); 2905 if (!p_priv->out_buffer[i]) 2906 goto err_free_out_buffer; 2907 } 2908 2909 p_priv->inack_buffer = kzalloc(INACK_BUFLEN, GFP_KERNEL); 2910 if (!p_priv->inack_buffer) 2911 goto err_free_out_buffer; 2912 2913 p_priv->outcont_buffer = kzalloc(OUTCONT_BUFLEN, GFP_KERNEL); 2914 if (!p_priv->outcont_buffer) 2915 goto err_free_inack_buffer; 2916 2917 p_priv->device_details = d_details; 2918 2919 /* Setup values for the various callback routines */ 2920 cback = &keyspan_callbacks[d_details->msg_format]; 2921 2922 port_num = port->port_number; 2923 2924 /* Do indat endpoints first, once for each flip */ 2925 endp = d_details->indat_endpoints[port_num]; 2926 for (i = 0; i <= d_details->indat_endp_flip; ++i, ++endp) { 2927 p_priv->in_urbs[i] = keyspan_setup_urb(serial, endp, 2928 USB_DIR_IN, port, 2929 p_priv->in_buffer[i], 2930 IN_BUFLEN, 2931 cback->indat_callback); 2932 } 2933 /* outdat endpoints also have flip */ 2934 endp = d_details->outdat_endpoints[port_num]; 2935 for (i = 0; i <= d_details->outdat_endp_flip; ++i, ++endp) { 2936 p_priv->out_urbs[i] = keyspan_setup_urb(serial, endp, 2937 USB_DIR_OUT, port, 2938 p_priv->out_buffer[i], 2939 OUT_BUFLEN, 2940 cback->outdat_callback); 2941 } 2942 /* inack endpoint */ 2943 p_priv->inack_urb = keyspan_setup_urb(serial, 2944 d_details->inack_endpoints[port_num], 2945 USB_DIR_IN, port, 2946 p_priv->inack_buffer, 2947 INACK_BUFLEN, 2948 cback->inack_callback); 2949 /* outcont endpoint */ 2950 p_priv->outcont_urb = keyspan_setup_urb(serial, 2951 d_details->outcont_endpoints[port_num], 2952 USB_DIR_OUT, port, 2953 p_priv->outcont_buffer, 2954 OUTCONT_BUFLEN, 2955 cback->outcont_callback); 2956 2957 usb_set_serial_port_data(port, p_priv); 2958 2959 return 0; 2960 2961 err_free_inack_buffer: 2962 kfree(p_priv->inack_buffer); 2963 err_free_out_buffer: 2964 for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) 2965 kfree(p_priv->out_buffer[i]); 2966 err_free_in_buffer: 2967 for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) 2968 kfree(p_priv->in_buffer[i]); 2969 kfree(p_priv); 2970 2971 return -ENOMEM; 2972 } 2973 2974 static void keyspan_port_remove(struct usb_serial_port *port) 2975 { 2976 struct keyspan_port_private *p_priv; 2977 int i; 2978 2979 p_priv = usb_get_serial_port_data(port); 2980 2981 usb_kill_urb(p_priv->inack_urb); 2982 usb_kill_urb(p_priv->outcont_urb); 2983 for (i = 0; i < 2; i++) { 2984 usb_kill_urb(p_priv->in_urbs[i]); 2985 usb_kill_urb(p_priv->out_urbs[i]); 2986 } 2987 2988 usb_free_urb(p_priv->inack_urb); 2989 usb_free_urb(p_priv->outcont_urb); 2990 for (i = 0; i < 2; i++) { 2991 usb_free_urb(p_priv->in_urbs[i]); 2992 usb_free_urb(p_priv->out_urbs[i]); 2993 } 2994 2995 kfree(p_priv->outcont_buffer); 2996 kfree(p_priv->inack_buffer); 2997 for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) 2998 kfree(p_priv->out_buffer[i]); 2999 for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) 3000 kfree(p_priv->in_buffer[i]); 3001 3002 kfree(p_priv); 3003 } 3004 3005 /* Structs for the devices, pre and post renumeration. */ 3006 static struct usb_serial_driver keyspan_pre_device = { 3007 .driver = { 3008 .name = "keyspan_no_firm", 3009 }, 3010 .description = "Keyspan - (without firmware)", 3011 .id_table = keyspan_pre_ids, 3012 .num_ports = 1, 3013 .attach = keyspan_fake_startup, 3014 }; 3015 3016 static struct usb_serial_driver keyspan_1port_device = { 3017 .driver = { 3018 .name = "keyspan_1", 3019 }, 3020 .description = "Keyspan 1 port adapter", 3021 .id_table = keyspan_1port_ids, 3022 .num_ports = 1, 3023 .open = keyspan_open, 3024 .close = keyspan_close, 3025 .dtr_rts = keyspan_dtr_rts, 3026 .write = keyspan_write, 3027 .write_room = keyspan_write_room, 3028 .set_termios = keyspan_set_termios, 3029 .break_ctl = keyspan_break_ctl, 3030 .tiocmget = keyspan_tiocmget, 3031 .tiocmset = keyspan_tiocmset, 3032 .attach = keyspan_startup, 3033 .disconnect = keyspan_disconnect, 3034 .release = keyspan_release, 3035 .port_probe = keyspan_port_probe, 3036 .port_remove = keyspan_port_remove, 3037 }; 3038 3039 static struct usb_serial_driver keyspan_2port_device = { 3040 .driver = { 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 3062 static struct usb_serial_driver keyspan_4port_device = { 3063 .driver = { 3064 .name = "keyspan_4", 3065 }, 3066 .description = "Keyspan 4 port adapter", 3067 .id_table = keyspan_4port_ids, 3068 .num_ports = 4, 3069 .open = keyspan_open, 3070 .close = keyspan_close, 3071 .dtr_rts = keyspan_dtr_rts, 3072 .write = keyspan_write, 3073 .write_room = keyspan_write_room, 3074 .set_termios = keyspan_set_termios, 3075 .break_ctl = keyspan_break_ctl, 3076 .tiocmget = keyspan_tiocmget, 3077 .tiocmset = keyspan_tiocmset, 3078 .attach = keyspan_startup, 3079 .disconnect = keyspan_disconnect, 3080 .release = keyspan_release, 3081 .port_probe = keyspan_port_probe, 3082 .port_remove = keyspan_port_remove, 3083 }; 3084 3085 static struct usb_serial_driver * const serial_drivers[] = { 3086 &keyspan_pre_device, &keyspan_1port_device, 3087 &keyspan_2port_device, &keyspan_4port_device, NULL 3088 }; 3089 3090 module_usb_serial_driver(serial_drivers, keyspan_ids_combined); 3091 3092 MODULE_AUTHOR(DRIVER_AUTHOR); 3093 MODULE_DESCRIPTION(DRIVER_DESC); 3094 MODULE_LICENSE("GPL"); 3095 3096 MODULE_FIRMWARE("keyspan/usa28.fw"); 3097 MODULE_FIRMWARE("keyspan/usa28x.fw"); 3098 MODULE_FIRMWARE("keyspan/usa28xa.fw"); 3099 MODULE_FIRMWARE("keyspan/usa28xb.fw"); 3100 MODULE_FIRMWARE("keyspan/usa19.fw"); 3101 MODULE_FIRMWARE("keyspan/usa19qi.fw"); 3102 MODULE_FIRMWARE("keyspan/mpr.fw"); 3103 MODULE_FIRMWARE("keyspan/usa19qw.fw"); 3104 MODULE_FIRMWARE("keyspan/usa18x.fw"); 3105 MODULE_FIRMWARE("keyspan/usa19w.fw"); 3106 MODULE_FIRMWARE("keyspan/usa49w.fw"); 3107 MODULE_FIRMWARE("keyspan/usa49wlc.fw"); 3108