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 void 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 keyspan_send_setup(port, 0); 615 } 616 617 618 static void keyspan_set_termios(struct tty_struct *tty, 619 struct usb_serial_port *port, 620 const struct ktermios *old_termios) 621 { 622 int baud_rate, device_port; 623 struct keyspan_port_private *p_priv; 624 const struct keyspan_device_details *d_details; 625 unsigned int cflag; 626 627 p_priv = usb_get_serial_port_data(port); 628 d_details = p_priv->device_details; 629 cflag = tty->termios.c_cflag; 630 device_port = port->port_number; 631 632 /* Baud rate calculation takes baud rate as an integer 633 so other rates can be generated if desired. */ 634 baud_rate = tty_get_baud_rate(tty); 635 /* If no match or invalid, don't change */ 636 if (d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, 637 NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { 638 /* FIXME - more to do here to ensure rate changes cleanly */ 639 /* FIXME - calculate exact rate from divisor ? */ 640 p_priv->baud = baud_rate; 641 } else 642 baud_rate = tty_termios_baud_rate(old_termios); 643 644 tty_encode_baud_rate(tty, baud_rate, baud_rate); 645 /* set CTS/RTS handshake etc. */ 646 p_priv->cflag = cflag; 647 p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; 648 649 /* Mark/Space not supported */ 650 tty->termios.c_cflag &= ~CMSPAR; 651 652 keyspan_send_setup(port, 0); 653 } 654 655 static int keyspan_tiocmget(struct tty_struct *tty) 656 { 657 struct usb_serial_port *port = tty->driver_data; 658 struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); 659 unsigned int value; 660 661 value = ((p_priv->rts_state) ? TIOCM_RTS : 0) | 662 ((p_priv->dtr_state) ? TIOCM_DTR : 0) | 663 ((p_priv->cts_state) ? TIOCM_CTS : 0) | 664 ((p_priv->dsr_state) ? TIOCM_DSR : 0) | 665 ((p_priv->dcd_state) ? TIOCM_CAR : 0) | 666 ((p_priv->ri_state) ? TIOCM_RNG : 0); 667 668 return value; 669 } 670 671 static int keyspan_tiocmset(struct tty_struct *tty, 672 unsigned int set, unsigned int clear) 673 { 674 struct usb_serial_port *port = tty->driver_data; 675 struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); 676 677 if (set & TIOCM_RTS) 678 p_priv->rts_state = 1; 679 if (set & TIOCM_DTR) 680 p_priv->dtr_state = 1; 681 if (clear & TIOCM_RTS) 682 p_priv->rts_state = 0; 683 if (clear & TIOCM_DTR) 684 p_priv->dtr_state = 0; 685 keyspan_send_setup(port, 0); 686 return 0; 687 } 688 689 /* Write function is similar for the four protocols used 690 with only a minor change for usa90 (usa19hs) required */ 691 static int keyspan_write(struct tty_struct *tty, 692 struct usb_serial_port *port, const unsigned char *buf, int count) 693 { 694 struct keyspan_port_private *p_priv; 695 const struct keyspan_device_details *d_details; 696 int flip; 697 int left, todo; 698 struct urb *this_urb; 699 int err, maxDataLen, dataOffset; 700 701 p_priv = usb_get_serial_port_data(port); 702 d_details = p_priv->device_details; 703 704 if (d_details->msg_format == msg_usa90) { 705 maxDataLen = 64; 706 dataOffset = 0; 707 } else { 708 maxDataLen = 63; 709 dataOffset = 1; 710 } 711 712 dev_dbg(&port->dev, "%s - %d chars, flip=%d\n", __func__, count, 713 p_priv->out_flip); 714 715 for (left = count; left > 0; left -= todo) { 716 todo = left; 717 if (todo > maxDataLen) 718 todo = maxDataLen; 719 720 flip = p_priv->out_flip; 721 722 /* Check we have a valid urb/endpoint before we use it... */ 723 this_urb = p_priv->out_urbs[flip]; 724 if (this_urb == NULL) { 725 /* no bulk out, so return 0 bytes written */ 726 dev_dbg(&port->dev, "%s - no output urb :(\n", __func__); 727 return count; 728 } 729 730 dev_dbg(&port->dev, "%s - endpoint %x flip %d\n", 731 __func__, usb_pipeendpoint(this_urb->pipe), flip); 732 733 if (this_urb->status == -EINPROGRESS) { 734 if (time_before(jiffies, 735 p_priv->tx_start_time[flip] + 10 * HZ)) 736 break; 737 usb_unlink_urb(this_urb); 738 break; 739 } 740 741 /* First byte in buffer is "last flag" (except for usa19hx) 742 - unused so for now so set to zero */ 743 ((char *)this_urb->transfer_buffer)[0] = 0; 744 745 memcpy(this_urb->transfer_buffer + dataOffset, buf, todo); 746 buf += todo; 747 748 /* send the data out the bulk port */ 749 this_urb->transfer_buffer_length = todo + dataOffset; 750 751 err = usb_submit_urb(this_urb, GFP_ATOMIC); 752 if (err != 0) 753 dev_dbg(&port->dev, "usb_submit_urb(write bulk) failed (%d)\n", err); 754 p_priv->tx_start_time[flip] = jiffies; 755 756 /* Flip for next time if usa26 or usa28 interface 757 (not used on usa49) */ 758 p_priv->out_flip = (flip + 1) & d_details->outdat_endp_flip; 759 } 760 761 return count - left; 762 } 763 764 static void usa26_indat_callback(struct urb *urb) 765 { 766 int i, err; 767 int endpoint; 768 struct usb_serial_port *port; 769 unsigned char *data = urb->transfer_buffer; 770 int status = urb->status; 771 772 endpoint = usb_pipeendpoint(urb->pipe); 773 774 if (status) { 775 dev_dbg(&urb->dev->dev, "%s - nonzero status %d on endpoint %x\n", 776 __func__, status, endpoint); 777 return; 778 } 779 780 port = urb->context; 781 if (urb->actual_length) { 782 /* 0x80 bit is error flag */ 783 if ((data[0] & 0x80) == 0) { 784 /* no errors on individual bytes, only 785 possible overrun err */ 786 if (data[0] & RXERROR_OVERRUN) { 787 tty_insert_flip_char(&port->port, 0, 788 TTY_OVERRUN); 789 } 790 for (i = 1; i < urb->actual_length ; ++i) 791 tty_insert_flip_char(&port->port, data[i], 792 TTY_NORMAL); 793 } else { 794 /* some bytes had errors, every byte has status */ 795 dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); 796 for (i = 0; i + 1 < urb->actual_length; i += 2) { 797 int stat = data[i]; 798 int flag = TTY_NORMAL; 799 800 if (stat & RXERROR_OVERRUN) { 801 tty_insert_flip_char(&port->port, 0, 802 TTY_OVERRUN); 803 } 804 /* XXX should handle break (0x10) */ 805 if (stat & RXERROR_PARITY) 806 flag = TTY_PARITY; 807 else if (stat & RXERROR_FRAMING) 808 flag = TTY_FRAME; 809 810 tty_insert_flip_char(&port->port, data[i+1], 811 flag); 812 } 813 } 814 tty_flip_buffer_push(&port->port); 815 } 816 817 /* Resubmit urb so we continue receiving */ 818 err = usb_submit_urb(urb, GFP_ATOMIC); 819 if (err != 0) 820 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 821 } 822 823 /* Outdat handling is common for all devices */ 824 static void usa2x_outdat_callback(struct urb *urb) 825 { 826 struct usb_serial_port *port; 827 struct keyspan_port_private *p_priv; 828 829 port = urb->context; 830 p_priv = usb_get_serial_port_data(port); 831 dev_dbg(&port->dev, "%s - urb %d\n", __func__, urb == p_priv->out_urbs[1]); 832 833 usb_serial_port_softint(port); 834 } 835 836 static void usa26_inack_callback(struct urb *urb) 837 { 838 } 839 840 static void usa26_outcont_callback(struct urb *urb) 841 { 842 struct usb_serial_port *port; 843 struct keyspan_port_private *p_priv; 844 845 port = urb->context; 846 p_priv = usb_get_serial_port_data(port); 847 848 if (p_priv->resend_cont) { 849 dev_dbg(&port->dev, "%s - sending setup\n", __func__); 850 keyspan_usa26_send_setup(port->serial, port, 851 p_priv->resend_cont - 1); 852 } 853 } 854 855 static void usa26_instat_callback(struct urb *urb) 856 { 857 unsigned char *data = urb->transfer_buffer; 858 struct keyspan_usa26_portStatusMessage *msg; 859 struct usb_serial *serial; 860 struct usb_serial_port *port; 861 struct keyspan_port_private *p_priv; 862 int old_dcd_state, err; 863 int status = urb->status; 864 865 serial = urb->context; 866 867 if (status) { 868 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 869 __func__, status); 870 return; 871 } 872 if (urb->actual_length != 9) { 873 dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); 874 goto exit; 875 } 876 877 msg = (struct keyspan_usa26_portStatusMessage *)data; 878 879 /* Check port number from message and retrieve private data */ 880 if (msg->port >= serial->num_ports) { 881 dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); 882 goto exit; 883 } 884 port = serial->port[msg->port]; 885 p_priv = usb_get_serial_port_data(port); 886 if (!p_priv) 887 goto resubmit; 888 889 /* Update handshaking pin state information */ 890 old_dcd_state = p_priv->dcd_state; 891 p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); 892 p_priv->dsr_state = ((msg->dsr) ? 1 : 0); 893 p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); 894 p_priv->ri_state = ((msg->ri) ? 1 : 0); 895 896 if (old_dcd_state != p_priv->dcd_state) 897 tty_port_tty_hangup(&port->port, true); 898 resubmit: 899 /* Resubmit urb so we continue receiving */ 900 err = usb_submit_urb(urb, GFP_ATOMIC); 901 if (err != 0) 902 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 903 exit: ; 904 } 905 906 static void usa26_glocont_callback(struct urb *urb) 907 { 908 } 909 910 911 static void usa28_indat_callback(struct urb *urb) 912 { 913 int err; 914 struct usb_serial_port *port; 915 unsigned char *data; 916 struct keyspan_port_private *p_priv; 917 int status = urb->status; 918 919 port = urb->context; 920 p_priv = usb_get_serial_port_data(port); 921 data = urb->transfer_buffer; 922 923 if (urb != p_priv->in_urbs[p_priv->in_flip]) 924 return; 925 926 do { 927 if (status) { 928 dev_dbg(&urb->dev->dev, "%s - nonzero status %d on endpoint %x\n", 929 __func__, status, usb_pipeendpoint(urb->pipe)); 930 return; 931 } 932 933 port = urb->context; 934 p_priv = usb_get_serial_port_data(port); 935 data = urb->transfer_buffer; 936 937 if (urb->actual_length) { 938 tty_insert_flip_string(&port->port, data, 939 urb->actual_length); 940 tty_flip_buffer_push(&port->port); 941 } 942 943 /* Resubmit urb so we continue receiving */ 944 err = usb_submit_urb(urb, GFP_ATOMIC); 945 if (err != 0) 946 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", 947 __func__, err); 948 p_priv->in_flip ^= 1; 949 950 urb = p_priv->in_urbs[p_priv->in_flip]; 951 } while (urb->status != -EINPROGRESS); 952 } 953 954 static void usa28_inack_callback(struct urb *urb) 955 { 956 } 957 958 static void usa28_outcont_callback(struct urb *urb) 959 { 960 struct usb_serial_port *port; 961 struct keyspan_port_private *p_priv; 962 963 port = urb->context; 964 p_priv = usb_get_serial_port_data(port); 965 966 if (p_priv->resend_cont) { 967 dev_dbg(&port->dev, "%s - sending setup\n", __func__); 968 keyspan_usa28_send_setup(port->serial, port, 969 p_priv->resend_cont - 1); 970 } 971 } 972 973 static void usa28_instat_callback(struct urb *urb) 974 { 975 int err; 976 unsigned char *data = urb->transfer_buffer; 977 struct keyspan_usa28_portStatusMessage *msg; 978 struct usb_serial *serial; 979 struct usb_serial_port *port; 980 struct keyspan_port_private *p_priv; 981 int old_dcd_state; 982 int status = urb->status; 983 984 serial = urb->context; 985 986 if (status) { 987 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 988 __func__, status); 989 return; 990 } 991 992 if (urb->actual_length != sizeof(struct keyspan_usa28_portStatusMessage)) { 993 dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); 994 goto exit; 995 } 996 997 msg = (struct keyspan_usa28_portStatusMessage *)data; 998 999 /* Check port number from message and retrieve private data */ 1000 if (msg->port >= serial->num_ports) { 1001 dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); 1002 goto exit; 1003 } 1004 port = serial->port[msg->port]; 1005 p_priv = usb_get_serial_port_data(port); 1006 if (!p_priv) 1007 goto resubmit; 1008 1009 /* Update handshaking pin state information */ 1010 old_dcd_state = p_priv->dcd_state; 1011 p_priv->cts_state = ((msg->cts) ? 1 : 0); 1012 p_priv->dsr_state = ((msg->dsr) ? 1 : 0); 1013 p_priv->dcd_state = ((msg->dcd) ? 1 : 0); 1014 p_priv->ri_state = ((msg->ri) ? 1 : 0); 1015 1016 if (old_dcd_state != p_priv->dcd_state && old_dcd_state) 1017 tty_port_tty_hangup(&port->port, true); 1018 resubmit: 1019 /* Resubmit urb so we continue receiving */ 1020 err = usb_submit_urb(urb, GFP_ATOMIC); 1021 if (err != 0) 1022 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1023 exit: ; 1024 } 1025 1026 static void usa28_glocont_callback(struct urb *urb) 1027 { 1028 } 1029 1030 1031 static void usa49_glocont_callback(struct urb *urb) 1032 { 1033 struct usb_serial *serial; 1034 struct usb_serial_port *port; 1035 struct keyspan_port_private *p_priv; 1036 int i; 1037 1038 serial = urb->context; 1039 for (i = 0; i < serial->num_ports; ++i) { 1040 port = serial->port[i]; 1041 p_priv = usb_get_serial_port_data(port); 1042 if (!p_priv) 1043 continue; 1044 1045 if (p_priv->resend_cont) { 1046 dev_dbg(&port->dev, "%s - sending setup\n", __func__); 1047 keyspan_usa49_send_setup(serial, port, 1048 p_priv->resend_cont - 1); 1049 break; 1050 } 1051 } 1052 } 1053 1054 /* This is actually called glostat in the Keyspan 1055 doco */ 1056 static void usa49_instat_callback(struct urb *urb) 1057 { 1058 int err; 1059 unsigned char *data = urb->transfer_buffer; 1060 struct keyspan_usa49_portStatusMessage *msg; 1061 struct usb_serial *serial; 1062 struct usb_serial_port *port; 1063 struct keyspan_port_private *p_priv; 1064 int old_dcd_state; 1065 int status = urb->status; 1066 1067 serial = urb->context; 1068 1069 if (status) { 1070 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 1071 __func__, status); 1072 return; 1073 } 1074 1075 if (urb->actual_length != 1076 sizeof(struct keyspan_usa49_portStatusMessage)) { 1077 dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); 1078 goto exit; 1079 } 1080 1081 msg = (struct keyspan_usa49_portStatusMessage *)data; 1082 1083 /* Check port number from message and retrieve private data */ 1084 if (msg->portNumber >= serial->num_ports) { 1085 dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", 1086 __func__, msg->portNumber); 1087 goto exit; 1088 } 1089 port = serial->port[msg->portNumber]; 1090 p_priv = usb_get_serial_port_data(port); 1091 if (!p_priv) 1092 goto resubmit; 1093 1094 /* Update handshaking pin state information */ 1095 old_dcd_state = p_priv->dcd_state; 1096 p_priv->cts_state = ((msg->cts) ? 1 : 0); 1097 p_priv->dsr_state = ((msg->dsr) ? 1 : 0); 1098 p_priv->dcd_state = ((msg->dcd) ? 1 : 0); 1099 p_priv->ri_state = ((msg->ri) ? 1 : 0); 1100 1101 if (old_dcd_state != p_priv->dcd_state && old_dcd_state) 1102 tty_port_tty_hangup(&port->port, true); 1103 resubmit: 1104 /* Resubmit urb so we continue receiving */ 1105 err = usb_submit_urb(urb, GFP_ATOMIC); 1106 if (err != 0) 1107 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1108 exit: ; 1109 } 1110 1111 static void usa49_inack_callback(struct urb *urb) 1112 { 1113 } 1114 1115 static void usa49_indat_callback(struct urb *urb) 1116 { 1117 int i, err; 1118 int endpoint; 1119 struct usb_serial_port *port; 1120 unsigned char *data = urb->transfer_buffer; 1121 int status = urb->status; 1122 1123 endpoint = usb_pipeendpoint(urb->pipe); 1124 1125 if (status) { 1126 dev_dbg(&urb->dev->dev, "%s - nonzero status %d on endpoint %x\n", 1127 __func__, status, endpoint); 1128 return; 1129 } 1130 1131 port = urb->context; 1132 if (urb->actual_length) { 1133 /* 0x80 bit is error flag */ 1134 if ((data[0] & 0x80) == 0) { 1135 /* no error on any byte */ 1136 tty_insert_flip_string(&port->port, data + 1, 1137 urb->actual_length - 1); 1138 } else { 1139 /* some bytes had errors, every byte has status */ 1140 for (i = 0; i + 1 < urb->actual_length; i += 2) { 1141 int stat = data[i]; 1142 int flag = TTY_NORMAL; 1143 1144 if (stat & RXERROR_OVERRUN) { 1145 tty_insert_flip_char(&port->port, 0, 1146 TTY_OVERRUN); 1147 } 1148 /* XXX should handle break (0x10) */ 1149 if (stat & RXERROR_PARITY) 1150 flag = TTY_PARITY; 1151 else if (stat & RXERROR_FRAMING) 1152 flag = TTY_FRAME; 1153 1154 tty_insert_flip_char(&port->port, data[i+1], 1155 flag); 1156 } 1157 } 1158 tty_flip_buffer_push(&port->port); 1159 } 1160 1161 /* Resubmit urb so we continue receiving */ 1162 err = usb_submit_urb(urb, GFP_ATOMIC); 1163 if (err != 0) 1164 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1165 } 1166 1167 static void usa49wg_indat_callback(struct urb *urb) 1168 { 1169 int i, len, x, err; 1170 struct usb_serial *serial; 1171 struct usb_serial_port *port; 1172 unsigned char *data = urb->transfer_buffer; 1173 int status = urb->status; 1174 1175 serial = urb->context; 1176 1177 if (status) { 1178 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 1179 __func__, status); 1180 return; 1181 } 1182 1183 /* inbound data is in the form P#, len, status, data */ 1184 i = 0; 1185 len = 0; 1186 1187 while (i < urb->actual_length) { 1188 1189 /* Check port number from message */ 1190 if (data[i] >= serial->num_ports) { 1191 dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", 1192 __func__, data[i]); 1193 return; 1194 } 1195 port = serial->port[data[i++]]; 1196 len = data[i++]; 1197 1198 /* 0x80 bit is error flag */ 1199 if ((data[i] & 0x80) == 0) { 1200 /* no error on any byte */ 1201 i++; 1202 for (x = 1; x < len && i < urb->actual_length; ++x) 1203 tty_insert_flip_char(&port->port, 1204 data[i++], 0); 1205 } else { 1206 /* 1207 * some bytes had errors, every byte has status 1208 */ 1209 for (x = 0; x + 1 < len && 1210 i + 1 < urb->actual_length; x += 2) { 1211 int stat = data[i]; 1212 int flag = TTY_NORMAL; 1213 1214 if (stat & RXERROR_OVERRUN) { 1215 tty_insert_flip_char(&port->port, 0, 1216 TTY_OVERRUN); 1217 } 1218 /* XXX should handle break (0x10) */ 1219 if (stat & RXERROR_PARITY) 1220 flag = TTY_PARITY; 1221 else if (stat & RXERROR_FRAMING) 1222 flag = TTY_FRAME; 1223 1224 tty_insert_flip_char(&port->port, data[i+1], 1225 flag); 1226 i += 2; 1227 } 1228 } 1229 tty_flip_buffer_push(&port->port); 1230 } 1231 1232 /* Resubmit urb so we continue receiving */ 1233 err = usb_submit_urb(urb, GFP_ATOMIC); 1234 if (err != 0) 1235 dev_dbg(&urb->dev->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1236 } 1237 1238 /* not used, usa-49 doesn't have per-port control endpoints */ 1239 static void usa49_outcont_callback(struct urb *urb) 1240 { 1241 } 1242 1243 static void usa90_indat_callback(struct urb *urb) 1244 { 1245 int i, err; 1246 int endpoint; 1247 struct usb_serial_port *port; 1248 struct keyspan_port_private *p_priv; 1249 unsigned char *data = urb->transfer_buffer; 1250 int status = urb->status; 1251 1252 endpoint = usb_pipeendpoint(urb->pipe); 1253 1254 if (status) { 1255 dev_dbg(&urb->dev->dev, "%s - nonzero status %d on endpoint %x\n", 1256 __func__, status, endpoint); 1257 return; 1258 } 1259 1260 port = urb->context; 1261 p_priv = usb_get_serial_port_data(port); 1262 1263 if (urb->actual_length) { 1264 /* if current mode is DMA, looks like usa28 format 1265 otherwise looks like usa26 data format */ 1266 1267 if (p_priv->baud > 57600) 1268 tty_insert_flip_string(&port->port, data, 1269 urb->actual_length); 1270 else { 1271 /* 0x80 bit is error flag */ 1272 if ((data[0] & 0x80) == 0) { 1273 /* no errors on individual bytes, only 1274 possible overrun err*/ 1275 if (data[0] & RXERROR_OVERRUN) { 1276 tty_insert_flip_char(&port->port, 0, 1277 TTY_OVERRUN); 1278 } 1279 for (i = 1; i < urb->actual_length ; ++i) 1280 tty_insert_flip_char(&port->port, 1281 data[i], TTY_NORMAL); 1282 } else { 1283 /* some bytes had errors, every byte has status */ 1284 dev_dbg(&port->dev, "%s - RX error!!!!\n", __func__); 1285 for (i = 0; i + 1 < urb->actual_length; i += 2) { 1286 int stat = data[i]; 1287 int flag = TTY_NORMAL; 1288 1289 if (stat & RXERROR_OVERRUN) { 1290 tty_insert_flip_char( 1291 &port->port, 0, 1292 TTY_OVERRUN); 1293 } 1294 /* XXX should handle break (0x10) */ 1295 if (stat & RXERROR_PARITY) 1296 flag = TTY_PARITY; 1297 else if (stat & RXERROR_FRAMING) 1298 flag = TTY_FRAME; 1299 1300 tty_insert_flip_char(&port->port, 1301 data[i+1], flag); 1302 } 1303 } 1304 } 1305 tty_flip_buffer_push(&port->port); 1306 } 1307 1308 /* Resubmit urb so we continue receiving */ 1309 err = usb_submit_urb(urb, GFP_ATOMIC); 1310 if (err != 0) 1311 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1312 } 1313 1314 1315 static void usa90_instat_callback(struct urb *urb) 1316 { 1317 unsigned char *data = urb->transfer_buffer; 1318 struct keyspan_usa90_portStatusMessage *msg; 1319 struct usb_serial *serial; 1320 struct usb_serial_port *port; 1321 struct keyspan_port_private *p_priv; 1322 int old_dcd_state, err; 1323 int status = urb->status; 1324 1325 serial = urb->context; 1326 1327 if (status) { 1328 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 1329 __func__, status); 1330 return; 1331 } 1332 if (urb->actual_length < 14) { 1333 dev_dbg(&urb->dev->dev, "%s - %d byte report??\n", __func__, urb->actual_length); 1334 goto exit; 1335 } 1336 1337 msg = (struct keyspan_usa90_portStatusMessage *)data; 1338 1339 /* Now do something useful with the data */ 1340 1341 port = serial->port[0]; 1342 p_priv = usb_get_serial_port_data(port); 1343 if (!p_priv) 1344 goto resubmit; 1345 1346 /* Update handshaking pin state information */ 1347 old_dcd_state = p_priv->dcd_state; 1348 p_priv->cts_state = ((msg->cts) ? 1 : 0); 1349 p_priv->dsr_state = ((msg->dsr) ? 1 : 0); 1350 p_priv->dcd_state = ((msg->dcd) ? 1 : 0); 1351 p_priv->ri_state = ((msg->ri) ? 1 : 0); 1352 1353 if (old_dcd_state != p_priv->dcd_state && old_dcd_state) 1354 tty_port_tty_hangup(&port->port, true); 1355 resubmit: 1356 /* Resubmit urb so we continue receiving */ 1357 err = usb_submit_urb(urb, GFP_ATOMIC); 1358 if (err != 0) 1359 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1360 exit: 1361 ; 1362 } 1363 1364 static void usa90_outcont_callback(struct urb *urb) 1365 { 1366 struct usb_serial_port *port; 1367 struct keyspan_port_private *p_priv; 1368 1369 port = urb->context; 1370 p_priv = usb_get_serial_port_data(port); 1371 1372 if (p_priv->resend_cont) { 1373 dev_dbg(&urb->dev->dev, "%s - sending setup\n", __func__); 1374 keyspan_usa90_send_setup(port->serial, port, 1375 p_priv->resend_cont - 1); 1376 } 1377 } 1378 1379 /* Status messages from the 28xg */ 1380 static void usa67_instat_callback(struct urb *urb) 1381 { 1382 int err; 1383 unsigned char *data = urb->transfer_buffer; 1384 struct keyspan_usa67_portStatusMessage *msg; 1385 struct usb_serial *serial; 1386 struct usb_serial_port *port; 1387 struct keyspan_port_private *p_priv; 1388 int old_dcd_state; 1389 int status = urb->status; 1390 1391 serial = urb->context; 1392 1393 if (status) { 1394 dev_dbg(&urb->dev->dev, "%s - nonzero status: %d\n", 1395 __func__, status); 1396 return; 1397 } 1398 1399 if (urb->actual_length != 1400 sizeof(struct keyspan_usa67_portStatusMessage)) { 1401 dev_dbg(&urb->dev->dev, "%s - bad length %d\n", __func__, urb->actual_length); 1402 return; 1403 } 1404 1405 1406 /* Now do something useful with the data */ 1407 msg = (struct keyspan_usa67_portStatusMessage *)data; 1408 1409 /* Check port number from message and retrieve private data */ 1410 if (msg->port >= serial->num_ports) { 1411 dev_dbg(&urb->dev->dev, "%s - Unexpected port number %d\n", __func__, msg->port); 1412 return; 1413 } 1414 1415 port = serial->port[msg->port]; 1416 p_priv = usb_get_serial_port_data(port); 1417 if (!p_priv) 1418 goto resubmit; 1419 1420 /* Update handshaking pin state information */ 1421 old_dcd_state = p_priv->dcd_state; 1422 p_priv->cts_state = ((msg->hskia_cts) ? 1 : 0); 1423 p_priv->dcd_state = ((msg->gpia_dcd) ? 1 : 0); 1424 1425 if (old_dcd_state != p_priv->dcd_state && old_dcd_state) 1426 tty_port_tty_hangup(&port->port, true); 1427 resubmit: 1428 /* Resubmit urb so we continue receiving */ 1429 err = usb_submit_urb(urb, GFP_ATOMIC); 1430 if (err != 0) 1431 dev_dbg(&port->dev, "%s - resubmit read urb failed. (%d)\n", __func__, err); 1432 } 1433 1434 static void usa67_glocont_callback(struct urb *urb) 1435 { 1436 struct usb_serial *serial; 1437 struct usb_serial_port *port; 1438 struct keyspan_port_private *p_priv; 1439 int i; 1440 1441 serial = urb->context; 1442 for (i = 0; i < serial->num_ports; ++i) { 1443 port = serial->port[i]; 1444 p_priv = usb_get_serial_port_data(port); 1445 if (!p_priv) 1446 continue; 1447 1448 if (p_priv->resend_cont) { 1449 dev_dbg(&port->dev, "%s - sending setup\n", __func__); 1450 keyspan_usa67_send_setup(serial, port, 1451 p_priv->resend_cont - 1); 1452 break; 1453 } 1454 } 1455 } 1456 1457 static unsigned int keyspan_write_room(struct tty_struct *tty) 1458 { 1459 struct usb_serial_port *port = tty->driver_data; 1460 struct keyspan_port_private *p_priv; 1461 const struct keyspan_device_details *d_details; 1462 int flip; 1463 unsigned int data_len; 1464 struct urb *this_urb; 1465 1466 p_priv = usb_get_serial_port_data(port); 1467 d_details = p_priv->device_details; 1468 1469 /* FIXME: locking */ 1470 if (d_details->msg_format == msg_usa90) 1471 data_len = 64; 1472 else 1473 data_len = 63; 1474 1475 flip = p_priv->out_flip; 1476 1477 /* Check both endpoints to see if any are available. */ 1478 this_urb = p_priv->out_urbs[flip]; 1479 if (this_urb != NULL) { 1480 if (this_urb->status != -EINPROGRESS) 1481 return data_len; 1482 flip = (flip + 1) & d_details->outdat_endp_flip; 1483 this_urb = p_priv->out_urbs[flip]; 1484 if (this_urb != NULL) { 1485 if (this_urb->status != -EINPROGRESS) 1486 return data_len; 1487 } 1488 } 1489 return 0; 1490 } 1491 1492 1493 static int keyspan_open(struct tty_struct *tty, struct usb_serial_port *port) 1494 { 1495 struct keyspan_port_private *p_priv; 1496 const struct keyspan_device_details *d_details; 1497 int i, err; 1498 int baud_rate, device_port; 1499 struct urb *urb; 1500 unsigned int cflag = 0; 1501 1502 p_priv = usb_get_serial_port_data(port); 1503 d_details = p_priv->device_details; 1504 1505 /* Set some sane defaults */ 1506 p_priv->rts_state = 1; 1507 p_priv->dtr_state = 1; 1508 p_priv->baud = 9600; 1509 1510 /* force baud and lcr to be set on open */ 1511 p_priv->old_baud = 0; 1512 p_priv->old_cflag = 0; 1513 1514 p_priv->out_flip = 0; 1515 p_priv->in_flip = 0; 1516 1517 /* Reset low level data toggle and start reading from endpoints */ 1518 for (i = 0; i < 2; i++) { 1519 urb = p_priv->in_urbs[i]; 1520 if (urb == NULL) 1521 continue; 1522 1523 /* make sure endpoint data toggle is synchronized 1524 with the device */ 1525 usb_clear_halt(urb->dev, urb->pipe); 1526 err = usb_submit_urb(urb, GFP_KERNEL); 1527 if (err != 0) 1528 dev_dbg(&port->dev, "%s - submit urb %d failed (%d)\n", __func__, i, err); 1529 } 1530 1531 /* Reset low level data toggle on out endpoints */ 1532 for (i = 0; i < 2; i++) { 1533 urb = p_priv->out_urbs[i]; 1534 if (urb == NULL) 1535 continue; 1536 /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), 1537 usb_pipeout(urb->pipe), 0); */ 1538 } 1539 1540 /* get the terminal config for the setup message now so we don't 1541 * need to send 2 of them */ 1542 1543 device_port = port->port_number; 1544 if (tty) { 1545 cflag = tty->termios.c_cflag; 1546 /* Baud rate calculation takes baud rate as an integer 1547 so other rates can be generated if desired. */ 1548 baud_rate = tty_get_baud_rate(tty); 1549 /* If no match or invalid, leave as default */ 1550 if (baud_rate >= 0 1551 && d_details->calculate_baud_rate(port, baud_rate, d_details->baudclk, 1552 NULL, NULL, NULL, device_port) == KEYSPAN_BAUD_RATE_OK) { 1553 p_priv->baud = baud_rate; 1554 } 1555 } 1556 /* set CTS/RTS handshake etc. */ 1557 p_priv->cflag = cflag; 1558 p_priv->flow_control = (cflag & CRTSCTS) ? flow_cts : flow_none; 1559 1560 keyspan_send_setup(port, 1); 1561 /* mdelay(100); */ 1562 /* keyspan_set_termios(port, NULL); */ 1563 1564 return 0; 1565 } 1566 1567 static void keyspan_dtr_rts(struct usb_serial_port *port, int on) 1568 { 1569 struct keyspan_port_private *p_priv = usb_get_serial_port_data(port); 1570 1571 p_priv->rts_state = on; 1572 p_priv->dtr_state = on; 1573 keyspan_send_setup(port, 0); 1574 } 1575 1576 static void keyspan_close(struct usb_serial_port *port) 1577 { 1578 int i; 1579 struct keyspan_port_private *p_priv; 1580 1581 p_priv = usb_get_serial_port_data(port); 1582 1583 p_priv->rts_state = 0; 1584 p_priv->dtr_state = 0; 1585 1586 keyspan_send_setup(port, 2); 1587 /* pilot-xfer seems to work best with this delay */ 1588 mdelay(100); 1589 1590 p_priv->out_flip = 0; 1591 p_priv->in_flip = 0; 1592 1593 usb_kill_urb(p_priv->inack_urb); 1594 for (i = 0; i < 2; i++) { 1595 usb_kill_urb(p_priv->in_urbs[i]); 1596 usb_kill_urb(p_priv->out_urbs[i]); 1597 } 1598 } 1599 1600 /* download the firmware to a pre-renumeration device */ 1601 static int keyspan_fake_startup(struct usb_serial *serial) 1602 { 1603 char *fw_name; 1604 1605 dev_dbg(&serial->dev->dev, "Keyspan startup version %04x product %04x\n", 1606 le16_to_cpu(serial->dev->descriptor.bcdDevice), 1607 le16_to_cpu(serial->dev->descriptor.idProduct)); 1608 1609 if ((le16_to_cpu(serial->dev->descriptor.bcdDevice) & 0x8000) 1610 != 0x8000) { 1611 dev_dbg(&serial->dev->dev, "Firmware already loaded. Quitting.\n"); 1612 return 1; 1613 } 1614 1615 /* Select firmware image on the basis of idProduct */ 1616 switch (le16_to_cpu(serial->dev->descriptor.idProduct)) { 1617 case keyspan_usa28_pre_product_id: 1618 fw_name = "keyspan/usa28.fw"; 1619 break; 1620 1621 case keyspan_usa28x_pre_product_id: 1622 fw_name = "keyspan/usa28x.fw"; 1623 break; 1624 1625 case keyspan_usa28xa_pre_product_id: 1626 fw_name = "keyspan/usa28xa.fw"; 1627 break; 1628 1629 case keyspan_usa28xb_pre_product_id: 1630 fw_name = "keyspan/usa28xb.fw"; 1631 break; 1632 1633 case keyspan_usa19_pre_product_id: 1634 fw_name = "keyspan/usa19.fw"; 1635 break; 1636 1637 case keyspan_usa19qi_pre_product_id: 1638 fw_name = "keyspan/usa19qi.fw"; 1639 break; 1640 1641 case keyspan_mpr_pre_product_id: 1642 fw_name = "keyspan/mpr.fw"; 1643 break; 1644 1645 case keyspan_usa19qw_pre_product_id: 1646 fw_name = "keyspan/usa19qw.fw"; 1647 break; 1648 1649 case keyspan_usa18x_pre_product_id: 1650 fw_name = "keyspan/usa18x.fw"; 1651 break; 1652 1653 case keyspan_usa19w_pre_product_id: 1654 fw_name = "keyspan/usa19w.fw"; 1655 break; 1656 1657 case keyspan_usa49w_pre_product_id: 1658 fw_name = "keyspan/usa49w.fw"; 1659 break; 1660 1661 case keyspan_usa49wlc_pre_product_id: 1662 fw_name = "keyspan/usa49wlc.fw"; 1663 break; 1664 1665 default: 1666 dev_err(&serial->dev->dev, "Unknown product ID (%04x)\n", 1667 le16_to_cpu(serial->dev->descriptor.idProduct)); 1668 return 1; 1669 } 1670 1671 dev_dbg(&serial->dev->dev, "Uploading Keyspan %s firmware.\n", fw_name); 1672 1673 if (ezusb_fx1_ihex_firmware_download(serial->dev, fw_name) < 0) { 1674 dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n", 1675 fw_name); 1676 return -ENOENT; 1677 } 1678 1679 /* after downloading firmware Renumeration will occur in a 1680 moment and the new device will bind to the real driver */ 1681 1682 /* we don't want this device to have a driver assigned to it. */ 1683 return 1; 1684 } 1685 1686 /* Helper functions used by keyspan_setup_urbs */ 1687 static struct usb_endpoint_descriptor const *find_ep(struct usb_serial const *serial, 1688 int endpoint) 1689 { 1690 struct usb_host_interface *iface_desc; 1691 struct usb_endpoint_descriptor *ep; 1692 int i; 1693 1694 iface_desc = serial->interface->cur_altsetting; 1695 for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { 1696 ep = &iface_desc->endpoint[i].desc; 1697 if (ep->bEndpointAddress == endpoint) 1698 return ep; 1699 } 1700 dev_warn(&serial->interface->dev, "found no endpoint descriptor for endpoint %x\n", 1701 endpoint); 1702 return NULL; 1703 } 1704 1705 static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint, 1706 int dir, void *ctx, char *buf, int len, 1707 void (*callback)(struct urb *)) 1708 { 1709 struct urb *urb; 1710 struct usb_endpoint_descriptor const *ep_desc; 1711 char const *ep_type_name; 1712 1713 if (endpoint == -1) 1714 return NULL; /* endpoint not needed */ 1715 1716 dev_dbg(&serial->interface->dev, "%s - alloc for endpoint %x\n", 1717 __func__, endpoint); 1718 urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ 1719 if (!urb) 1720 return NULL; 1721 1722 if (endpoint == 0) { 1723 /* control EP filled in when used */ 1724 return urb; 1725 } 1726 1727 ep_desc = find_ep(serial, endpoint); 1728 if (!ep_desc) { 1729 usb_free_urb(urb); 1730 return NULL; 1731 } 1732 if (usb_endpoint_xfer_int(ep_desc)) { 1733 ep_type_name = "INT"; 1734 usb_fill_int_urb(urb, serial->dev, 1735 usb_sndintpipe(serial->dev, endpoint) | dir, 1736 buf, len, callback, ctx, 1737 ep_desc->bInterval); 1738 } else if (usb_endpoint_xfer_bulk(ep_desc)) { 1739 ep_type_name = "BULK"; 1740 usb_fill_bulk_urb(urb, serial->dev, 1741 usb_sndbulkpipe(serial->dev, endpoint) | dir, 1742 buf, len, callback, ctx); 1743 } else { 1744 dev_warn(&serial->interface->dev, 1745 "unsupported endpoint type %x\n", 1746 usb_endpoint_type(ep_desc)); 1747 usb_free_urb(urb); 1748 return NULL; 1749 } 1750 1751 dev_dbg(&serial->interface->dev, "%s - using urb %p for %s endpoint %x\n", 1752 __func__, urb, ep_type_name, endpoint); 1753 return urb; 1754 } 1755 1756 static struct callbacks { 1757 void (*instat_callback)(struct urb *); 1758 void (*glocont_callback)(struct urb *); 1759 void (*indat_callback)(struct urb *); 1760 void (*outdat_callback)(struct urb *); 1761 void (*inack_callback)(struct urb *); 1762 void (*outcont_callback)(struct urb *); 1763 } keyspan_callbacks[] = { 1764 { 1765 /* msg_usa26 callbacks */ 1766 .instat_callback = usa26_instat_callback, 1767 .glocont_callback = usa26_glocont_callback, 1768 .indat_callback = usa26_indat_callback, 1769 .outdat_callback = usa2x_outdat_callback, 1770 .inack_callback = usa26_inack_callback, 1771 .outcont_callback = usa26_outcont_callback, 1772 }, { 1773 /* msg_usa28 callbacks */ 1774 .instat_callback = usa28_instat_callback, 1775 .glocont_callback = usa28_glocont_callback, 1776 .indat_callback = usa28_indat_callback, 1777 .outdat_callback = usa2x_outdat_callback, 1778 .inack_callback = usa28_inack_callback, 1779 .outcont_callback = usa28_outcont_callback, 1780 }, { 1781 /* msg_usa49 callbacks */ 1782 .instat_callback = usa49_instat_callback, 1783 .glocont_callback = usa49_glocont_callback, 1784 .indat_callback = usa49_indat_callback, 1785 .outdat_callback = usa2x_outdat_callback, 1786 .inack_callback = usa49_inack_callback, 1787 .outcont_callback = usa49_outcont_callback, 1788 }, { 1789 /* msg_usa90 callbacks */ 1790 .instat_callback = usa90_instat_callback, 1791 .glocont_callback = usa28_glocont_callback, 1792 .indat_callback = usa90_indat_callback, 1793 .outdat_callback = usa2x_outdat_callback, 1794 .inack_callback = usa28_inack_callback, 1795 .outcont_callback = usa90_outcont_callback, 1796 }, { 1797 /* msg_usa67 callbacks */ 1798 .instat_callback = usa67_instat_callback, 1799 .glocont_callback = usa67_glocont_callback, 1800 .indat_callback = usa26_indat_callback, 1801 .outdat_callback = usa2x_outdat_callback, 1802 .inack_callback = usa26_inack_callback, 1803 .outcont_callback = usa26_outcont_callback, 1804 } 1805 }; 1806 1807 /* Generic setup urbs function that uses 1808 data in device_details */ 1809 static void keyspan_setup_urbs(struct usb_serial *serial) 1810 { 1811 struct keyspan_serial_private *s_priv; 1812 const struct keyspan_device_details *d_details; 1813 struct callbacks *cback; 1814 1815 s_priv = usb_get_serial_data(serial); 1816 d_details = s_priv->device_details; 1817 1818 /* Setup values for the various callback routines */ 1819 cback = &keyspan_callbacks[d_details->msg_format]; 1820 1821 /* Allocate and set up urbs for each one that is in use, 1822 starting with instat endpoints */ 1823 s_priv->instat_urb = keyspan_setup_urb 1824 (serial, d_details->instat_endpoint, USB_DIR_IN, 1825 serial, s_priv->instat_buf, INSTAT_BUFLEN, 1826 cback->instat_callback); 1827 1828 s_priv->indat_urb = keyspan_setup_urb 1829 (serial, d_details->indat_endpoint, USB_DIR_IN, 1830 serial, s_priv->indat_buf, INDAT49W_BUFLEN, 1831 usa49wg_indat_callback); 1832 1833 s_priv->glocont_urb = keyspan_setup_urb 1834 (serial, d_details->glocont_endpoint, USB_DIR_OUT, 1835 serial, s_priv->glocont_buf, GLOCONT_BUFLEN, 1836 cback->glocont_callback); 1837 } 1838 1839 /* usa19 function doesn't require prescaler */ 1840 static int keyspan_usa19_calc_baud(struct usb_serial_port *port, 1841 u32 baud_rate, u32 baudclk, u8 *rate_hi, 1842 u8 *rate_low, u8 *prescaler, int portnum) 1843 { 1844 u32 b16, /* baud rate times 16 (actual rate used internally) */ 1845 div, /* divisor */ 1846 cnt; /* inverse of divisor (programmed into 8051) */ 1847 1848 dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); 1849 1850 /* prevent divide by zero... */ 1851 b16 = baud_rate * 16L; 1852 if (b16 == 0) 1853 return KEYSPAN_INVALID_BAUD_RATE; 1854 /* Any "standard" rate over 57k6 is marginal on the USA-19 1855 as we run out of divisor resolution. */ 1856 if (baud_rate > 57600) 1857 return KEYSPAN_INVALID_BAUD_RATE; 1858 1859 /* calculate the divisor and the counter (its inverse) */ 1860 div = baudclk / b16; 1861 if (div == 0) 1862 return KEYSPAN_INVALID_BAUD_RATE; 1863 else 1864 cnt = 0 - div; 1865 1866 if (div > 0xffff) 1867 return KEYSPAN_INVALID_BAUD_RATE; 1868 1869 /* return the counter values if non-null */ 1870 if (rate_low) 1871 *rate_low = (u8) (cnt & 0xff); 1872 if (rate_hi) 1873 *rate_hi = (u8) ((cnt >> 8) & 0xff); 1874 if (rate_low && rate_hi) 1875 dev_dbg(&port->dev, "%s - %d %02x %02x.\n", 1876 __func__, baud_rate, *rate_hi, *rate_low); 1877 return KEYSPAN_BAUD_RATE_OK; 1878 } 1879 1880 /* usa19hs function doesn't require prescaler */ 1881 static int keyspan_usa19hs_calc_baud(struct usb_serial_port *port, 1882 u32 baud_rate, u32 baudclk, u8 *rate_hi, 1883 u8 *rate_low, u8 *prescaler, int portnum) 1884 { 1885 u32 b16, /* baud rate times 16 (actual rate used internally) */ 1886 div; /* divisor */ 1887 1888 dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); 1889 1890 /* prevent divide by zero... */ 1891 b16 = baud_rate * 16L; 1892 if (b16 == 0) 1893 return KEYSPAN_INVALID_BAUD_RATE; 1894 1895 /* calculate the divisor */ 1896 div = baudclk / b16; 1897 if (div == 0) 1898 return KEYSPAN_INVALID_BAUD_RATE; 1899 1900 if (div > 0xffff) 1901 return KEYSPAN_INVALID_BAUD_RATE; 1902 1903 /* return the counter values if non-null */ 1904 if (rate_low) 1905 *rate_low = (u8) (div & 0xff); 1906 1907 if (rate_hi) 1908 *rate_hi = (u8) ((div >> 8) & 0xff); 1909 1910 if (rate_low && rate_hi) 1911 dev_dbg(&port->dev, "%s - %d %02x %02x.\n", 1912 __func__, baud_rate, *rate_hi, *rate_low); 1913 1914 return KEYSPAN_BAUD_RATE_OK; 1915 } 1916 1917 static int keyspan_usa19w_calc_baud(struct usb_serial_port *port, 1918 u32 baud_rate, u32 baudclk, u8 *rate_hi, 1919 u8 *rate_low, u8 *prescaler, int portnum) 1920 { 1921 u32 b16, /* baud rate times 16 (actual rate used internally) */ 1922 clk, /* clock with 13/8 prescaler */ 1923 div, /* divisor using 13/8 prescaler */ 1924 res, /* resulting baud rate using 13/8 prescaler */ 1925 diff, /* error using 13/8 prescaler */ 1926 smallest_diff; 1927 u8 best_prescaler; 1928 int i; 1929 1930 dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); 1931 1932 /* prevent divide by zero */ 1933 b16 = baud_rate * 16L; 1934 if (b16 == 0) 1935 return KEYSPAN_INVALID_BAUD_RATE; 1936 1937 /* Calculate prescaler by trying them all and looking 1938 for best fit */ 1939 1940 /* start with largest possible difference */ 1941 smallest_diff = 0xffffffff; 1942 1943 /* 0 is an invalid prescaler, used as a flag */ 1944 best_prescaler = 0; 1945 1946 for (i = 8; i <= 0xff; ++i) { 1947 clk = (baudclk * 8) / (u32) i; 1948 1949 div = clk / b16; 1950 if (div == 0) 1951 continue; 1952 1953 res = clk / div; 1954 diff = (res > b16) ? (res-b16) : (b16-res); 1955 1956 if (diff < smallest_diff) { 1957 best_prescaler = i; 1958 smallest_diff = diff; 1959 } 1960 } 1961 1962 if (best_prescaler == 0) 1963 return KEYSPAN_INVALID_BAUD_RATE; 1964 1965 clk = (baudclk * 8) / (u32) best_prescaler; 1966 div = clk / b16; 1967 1968 /* return the divisor and prescaler if non-null */ 1969 if (rate_low) 1970 *rate_low = (u8) (div & 0xff); 1971 if (rate_hi) 1972 *rate_hi = (u8) ((div >> 8) & 0xff); 1973 if (prescaler) { 1974 *prescaler = best_prescaler; 1975 /* dev_dbg(&port->dev, "%s - %d %d\n", __func__, *prescaler, div); */ 1976 } 1977 return KEYSPAN_BAUD_RATE_OK; 1978 } 1979 1980 /* USA-28 supports different maximum baud rates on each port */ 1981 static int keyspan_usa28_calc_baud(struct usb_serial_port *port, 1982 u32 baud_rate, u32 baudclk, u8 *rate_hi, 1983 u8 *rate_low, u8 *prescaler, int portnum) 1984 { 1985 u32 b16, /* baud rate times 16 (actual rate used internally) */ 1986 div, /* divisor */ 1987 cnt; /* inverse of divisor (programmed into 8051) */ 1988 1989 dev_dbg(&port->dev, "%s - %d.\n", __func__, baud_rate); 1990 1991 /* prevent divide by zero */ 1992 b16 = baud_rate * 16L; 1993 if (b16 == 0) 1994 return KEYSPAN_INVALID_BAUD_RATE; 1995 1996 /* calculate the divisor and the counter (its inverse) */ 1997 div = KEYSPAN_USA28_BAUDCLK / b16; 1998 if (div == 0) 1999 return KEYSPAN_INVALID_BAUD_RATE; 2000 else 2001 cnt = 0 - div; 2002 2003 /* check for out of range, based on portnum, 2004 and return result */ 2005 if (portnum == 0) { 2006 if (div > 0xffff) 2007 return KEYSPAN_INVALID_BAUD_RATE; 2008 } else { 2009 if (portnum == 1) { 2010 if (div > 0xff) 2011 return KEYSPAN_INVALID_BAUD_RATE; 2012 } else 2013 return KEYSPAN_INVALID_BAUD_RATE; 2014 } 2015 2016 /* return the counter values if not NULL 2017 (port 1 will ignore retHi) */ 2018 if (rate_low) 2019 *rate_low = (u8) (cnt & 0xff); 2020 if (rate_hi) 2021 *rate_hi = (u8) ((cnt >> 8) & 0xff); 2022 dev_dbg(&port->dev, "%s - %d OK.\n", __func__, baud_rate); 2023 return KEYSPAN_BAUD_RATE_OK; 2024 } 2025 2026 static int keyspan_usa26_send_setup(struct usb_serial *serial, 2027 struct usb_serial_port *port, 2028 int reset_port) 2029 { 2030 struct keyspan_usa26_portControlMessage msg; 2031 struct keyspan_serial_private *s_priv; 2032 struct keyspan_port_private *p_priv; 2033 const struct keyspan_device_details *d_details; 2034 struct urb *this_urb; 2035 int device_port, err; 2036 2037 dev_dbg(&port->dev, "%s reset=%d\n", __func__, reset_port); 2038 2039 s_priv = usb_get_serial_data(serial); 2040 p_priv = usb_get_serial_port_data(port); 2041 d_details = s_priv->device_details; 2042 device_port = port->port_number; 2043 2044 this_urb = p_priv->outcont_urb; 2045 2046 /* Make sure we have an urb then send the message */ 2047 if (this_urb == NULL) { 2048 dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); 2049 return -1; 2050 } 2051 2052 dev_dbg(&port->dev, "%s - endpoint %x\n", 2053 __func__, usb_pipeendpoint(this_urb->pipe)); 2054 2055 /* Save reset port val for resend. 2056 Don't overwrite resend for open/close condition. */ 2057 if ((reset_port + 1) > p_priv->resend_cont) 2058 p_priv->resend_cont = reset_port + 1; 2059 if (this_urb->status == -EINPROGRESS) { 2060 /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ 2061 mdelay(5); 2062 return -1; 2063 } 2064 2065 memset(&msg, 0, sizeof(struct keyspan_usa26_portControlMessage)); 2066 2067 /* Only set baud rate if it's changed */ 2068 if (p_priv->old_baud != p_priv->baud) { 2069 p_priv->old_baud = p_priv->baud; 2070 msg.setClocking = 0xff; 2071 if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2072 &msg.baudHi, &msg.baudLo, &msg.prescaler, 2073 device_port) == KEYSPAN_INVALID_BAUD_RATE) { 2074 dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", 2075 __func__, p_priv->baud); 2076 msg.baudLo = 0; 2077 msg.baudHi = 125; /* Values for 9600 baud */ 2078 msg.prescaler = 10; 2079 } 2080 msg.setPrescaler = 0xff; 2081 } 2082 2083 msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; 2084 switch (p_priv->cflag & CSIZE) { 2085 case CS5: 2086 msg.lcr |= USA_DATABITS_5; 2087 break; 2088 case CS6: 2089 msg.lcr |= USA_DATABITS_6; 2090 break; 2091 case CS7: 2092 msg.lcr |= USA_DATABITS_7; 2093 break; 2094 case CS8: 2095 msg.lcr |= USA_DATABITS_8; 2096 break; 2097 } 2098 if (p_priv->cflag & PARENB) { 2099 /* note USA_PARITY_NONE == 0 */ 2100 msg.lcr |= (p_priv->cflag & PARODD) ? 2101 USA_PARITY_ODD : USA_PARITY_EVEN; 2102 } 2103 msg.setLcr = 0xff; 2104 2105 msg.ctsFlowControl = (p_priv->flow_control == flow_cts); 2106 msg.xonFlowControl = 0; 2107 msg.setFlowControl = 0xff; 2108 msg.forwardingLength = 16; 2109 msg.xonChar = 17; 2110 msg.xoffChar = 19; 2111 2112 /* Opening port */ 2113 if (reset_port == 1) { 2114 msg._txOn = 1; 2115 msg._txOff = 0; 2116 msg.txFlush = 0; 2117 msg.txBreak = 0; 2118 msg.rxOn = 1; 2119 msg.rxOff = 0; 2120 msg.rxFlush = 1; 2121 msg.rxForward = 0; 2122 msg.returnStatus = 0; 2123 msg.resetDataToggle = 0xff; 2124 } 2125 2126 /* Closing port */ 2127 else if (reset_port == 2) { 2128 msg._txOn = 0; 2129 msg._txOff = 1; 2130 msg.txFlush = 0; 2131 msg.txBreak = 0; 2132 msg.rxOn = 0; 2133 msg.rxOff = 1; 2134 msg.rxFlush = 1; 2135 msg.rxForward = 0; 2136 msg.returnStatus = 0; 2137 msg.resetDataToggle = 0; 2138 } 2139 2140 /* Sending intermediate configs */ 2141 else { 2142 msg._txOn = (!p_priv->break_on); 2143 msg._txOff = 0; 2144 msg.txFlush = 0; 2145 msg.txBreak = (p_priv->break_on); 2146 msg.rxOn = 0; 2147 msg.rxOff = 0; 2148 msg.rxFlush = 0; 2149 msg.rxForward = 0; 2150 msg.returnStatus = 0; 2151 msg.resetDataToggle = 0x0; 2152 } 2153 2154 /* Do handshaking outputs */ 2155 msg.setTxTriState_setRts = 0xff; 2156 msg.txTriState_rts = p_priv->rts_state; 2157 2158 msg.setHskoa_setDtr = 0xff; 2159 msg.hskoa_dtr = p_priv->dtr_state; 2160 2161 p_priv->resend_cont = 0; 2162 memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); 2163 2164 /* send the data out the device on control endpoint */ 2165 this_urb->transfer_buffer_length = sizeof(msg); 2166 2167 err = usb_submit_urb(this_urb, GFP_ATOMIC); 2168 if (err != 0) 2169 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); 2170 return 0; 2171 } 2172 2173 static int keyspan_usa28_send_setup(struct usb_serial *serial, 2174 struct usb_serial_port *port, 2175 int reset_port) 2176 { 2177 struct keyspan_usa28_portControlMessage msg; 2178 struct keyspan_serial_private *s_priv; 2179 struct keyspan_port_private *p_priv; 2180 const struct keyspan_device_details *d_details; 2181 struct urb *this_urb; 2182 int device_port, err; 2183 2184 s_priv = usb_get_serial_data(serial); 2185 p_priv = usb_get_serial_port_data(port); 2186 d_details = s_priv->device_details; 2187 device_port = port->port_number; 2188 2189 /* only do something if we have a bulk out endpoint */ 2190 this_urb = p_priv->outcont_urb; 2191 if (this_urb == NULL) { 2192 dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); 2193 return -1; 2194 } 2195 2196 /* Save reset port val for resend. 2197 Don't overwrite resend for open/close condition. */ 2198 if ((reset_port + 1) > p_priv->resend_cont) 2199 p_priv->resend_cont = reset_port + 1; 2200 if (this_urb->status == -EINPROGRESS) { 2201 dev_dbg(&port->dev, "%s already writing\n", __func__); 2202 mdelay(5); 2203 return -1; 2204 } 2205 2206 memset(&msg, 0, sizeof(struct keyspan_usa28_portControlMessage)); 2207 2208 msg.setBaudRate = 1; 2209 if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2210 &msg.baudHi, &msg.baudLo, NULL, 2211 device_port) == KEYSPAN_INVALID_BAUD_RATE) { 2212 dev_dbg(&port->dev, "%s - Invalid baud rate requested %d.\n", 2213 __func__, p_priv->baud); 2214 msg.baudLo = 0xff; 2215 msg.baudHi = 0xb2; /* Values for 9600 baud */ 2216 } 2217 2218 /* If parity is enabled, we must calculate it ourselves. */ 2219 msg.parity = 0; /* XXX for now */ 2220 2221 msg.ctsFlowControl = (p_priv->flow_control == flow_cts); 2222 msg.xonFlowControl = 0; 2223 2224 /* Do handshaking outputs, DTR is inverted relative to RTS */ 2225 msg.rts = p_priv->rts_state; 2226 msg.dtr = p_priv->dtr_state; 2227 2228 msg.forwardingLength = 16; 2229 msg.forwardMs = 10; 2230 msg.breakThreshold = 45; 2231 msg.xonChar = 17; 2232 msg.xoffChar = 19; 2233 2234 /*msg.returnStatus = 1; 2235 msg.resetDataToggle = 0xff;*/ 2236 /* Opening port */ 2237 if (reset_port == 1) { 2238 msg._txOn = 1; 2239 msg._txOff = 0; 2240 msg.txFlush = 0; 2241 msg.txForceXoff = 0; 2242 msg.txBreak = 0; 2243 msg.rxOn = 1; 2244 msg.rxOff = 0; 2245 msg.rxFlush = 1; 2246 msg.rxForward = 0; 2247 msg.returnStatus = 0; 2248 msg.resetDataToggle = 0xff; 2249 } 2250 /* Closing port */ 2251 else if (reset_port == 2) { 2252 msg._txOn = 0; 2253 msg._txOff = 1; 2254 msg.txFlush = 0; 2255 msg.txForceXoff = 0; 2256 msg.txBreak = 0; 2257 msg.rxOn = 0; 2258 msg.rxOff = 1; 2259 msg.rxFlush = 1; 2260 msg.rxForward = 0; 2261 msg.returnStatus = 0; 2262 msg.resetDataToggle = 0; 2263 } 2264 /* Sending intermediate configs */ 2265 else { 2266 msg._txOn = (!p_priv->break_on); 2267 msg._txOff = 0; 2268 msg.txFlush = 0; 2269 msg.txForceXoff = 0; 2270 msg.txBreak = (p_priv->break_on); 2271 msg.rxOn = 0; 2272 msg.rxOff = 0; 2273 msg.rxFlush = 0; 2274 msg.rxForward = 0; 2275 msg.returnStatus = 0; 2276 msg.resetDataToggle = 0x0; 2277 } 2278 2279 p_priv->resend_cont = 0; 2280 memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); 2281 2282 /* send the data out the device on control endpoint */ 2283 this_urb->transfer_buffer_length = sizeof(msg); 2284 2285 err = usb_submit_urb(this_urb, GFP_ATOMIC); 2286 if (err != 0) 2287 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed\n", __func__); 2288 2289 return 0; 2290 } 2291 2292 static int keyspan_usa49_send_setup(struct usb_serial *serial, 2293 struct usb_serial_port *port, 2294 int reset_port) 2295 { 2296 struct keyspan_usa49_portControlMessage msg; 2297 struct usb_ctrlrequest *dr = NULL; 2298 struct keyspan_serial_private *s_priv; 2299 struct keyspan_port_private *p_priv; 2300 const struct keyspan_device_details *d_details; 2301 struct urb *this_urb; 2302 int err, device_port; 2303 2304 s_priv = usb_get_serial_data(serial); 2305 p_priv = usb_get_serial_port_data(port); 2306 d_details = s_priv->device_details; 2307 2308 this_urb = s_priv->glocont_urb; 2309 2310 /* Work out which port within the device is being setup */ 2311 device_port = port->port_number; 2312 2313 /* Make sure we have an urb then send the message */ 2314 if (this_urb == NULL) { 2315 dev_dbg(&port->dev, "%s - oops no urb for port.\n", __func__); 2316 return -1; 2317 } 2318 2319 dev_dbg(&port->dev, "%s - endpoint %x (%d)\n", 2320 __func__, usb_pipeendpoint(this_urb->pipe), device_port); 2321 2322 /* Save reset port val for resend. 2323 Don't overwrite resend for open/close condition. */ 2324 if ((reset_port + 1) > p_priv->resend_cont) 2325 p_priv->resend_cont = reset_port + 1; 2326 2327 if (this_urb->status == -EINPROGRESS) { 2328 /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ 2329 mdelay(5); 2330 return -1; 2331 } 2332 2333 memset(&msg, 0, sizeof(struct keyspan_usa49_portControlMessage)); 2334 2335 msg.portNumber = device_port; 2336 2337 /* Only set baud rate if it's changed */ 2338 if (p_priv->old_baud != p_priv->baud) { 2339 p_priv->old_baud = p_priv->baud; 2340 msg.setClocking = 0xff; 2341 if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2342 &msg.baudHi, &msg.baudLo, &msg.prescaler, 2343 device_port) == KEYSPAN_INVALID_BAUD_RATE) { 2344 dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", 2345 __func__, p_priv->baud); 2346 msg.baudLo = 0; 2347 msg.baudHi = 125; /* Values for 9600 baud */ 2348 msg.prescaler = 10; 2349 } 2350 /* msg.setPrescaler = 0xff; */ 2351 } 2352 2353 msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; 2354 switch (p_priv->cflag & CSIZE) { 2355 case CS5: 2356 msg.lcr |= USA_DATABITS_5; 2357 break; 2358 case CS6: 2359 msg.lcr |= USA_DATABITS_6; 2360 break; 2361 case CS7: 2362 msg.lcr |= USA_DATABITS_7; 2363 break; 2364 case CS8: 2365 msg.lcr |= USA_DATABITS_8; 2366 break; 2367 } 2368 if (p_priv->cflag & PARENB) { 2369 /* note USA_PARITY_NONE == 0 */ 2370 msg.lcr |= (p_priv->cflag & PARODD) ? 2371 USA_PARITY_ODD : USA_PARITY_EVEN; 2372 } 2373 msg.setLcr = 0xff; 2374 2375 msg.ctsFlowControl = (p_priv->flow_control == flow_cts); 2376 msg.xonFlowControl = 0; 2377 msg.setFlowControl = 0xff; 2378 2379 msg.forwardingLength = 16; 2380 msg.xonChar = 17; 2381 msg.xoffChar = 19; 2382 2383 /* Opening port */ 2384 if (reset_port == 1) { 2385 msg._txOn = 1; 2386 msg._txOff = 0; 2387 msg.txFlush = 0; 2388 msg.txBreak = 0; 2389 msg.rxOn = 1; 2390 msg.rxOff = 0; 2391 msg.rxFlush = 1; 2392 msg.rxForward = 0; 2393 msg.returnStatus = 0; 2394 msg.resetDataToggle = 0xff; 2395 msg.enablePort = 1; 2396 msg.disablePort = 0; 2397 } 2398 /* Closing port */ 2399 else if (reset_port == 2) { 2400 msg._txOn = 0; 2401 msg._txOff = 1; 2402 msg.txFlush = 0; 2403 msg.txBreak = 0; 2404 msg.rxOn = 0; 2405 msg.rxOff = 1; 2406 msg.rxFlush = 1; 2407 msg.rxForward = 0; 2408 msg.returnStatus = 0; 2409 msg.resetDataToggle = 0; 2410 msg.enablePort = 0; 2411 msg.disablePort = 1; 2412 } 2413 /* Sending intermediate configs */ 2414 else { 2415 msg._txOn = (!p_priv->break_on); 2416 msg._txOff = 0; 2417 msg.txFlush = 0; 2418 msg.txBreak = (p_priv->break_on); 2419 msg.rxOn = 0; 2420 msg.rxOff = 0; 2421 msg.rxFlush = 0; 2422 msg.rxForward = 0; 2423 msg.returnStatus = 0; 2424 msg.resetDataToggle = 0x0; 2425 msg.enablePort = 0; 2426 msg.disablePort = 0; 2427 } 2428 2429 /* Do handshaking outputs */ 2430 msg.setRts = 0xff; 2431 msg.rts = p_priv->rts_state; 2432 2433 msg.setDtr = 0xff; 2434 msg.dtr = p_priv->dtr_state; 2435 2436 p_priv->resend_cont = 0; 2437 2438 /* if the device is a 49wg, we send control message on usb 2439 control EP 0 */ 2440 2441 if (d_details->product_id == keyspan_usa49wg_product_id) { 2442 dr = (void *)(s_priv->ctrl_buf); 2443 dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT; 2444 dr->bRequest = 0xB0; /* 49wg control message */ 2445 dr->wValue = 0; 2446 dr->wIndex = 0; 2447 dr->wLength = cpu_to_le16(sizeof(msg)); 2448 2449 memcpy(s_priv->glocont_buf, &msg, sizeof(msg)); 2450 2451 usb_fill_control_urb(this_urb, serial->dev, 2452 usb_sndctrlpipe(serial->dev, 0), 2453 (unsigned char *)dr, s_priv->glocont_buf, 2454 sizeof(msg), usa49_glocont_callback, serial); 2455 2456 } else { 2457 memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); 2458 2459 /* send the data out the device on control endpoint */ 2460 this_urb->transfer_buffer_length = sizeof(msg); 2461 } 2462 err = usb_submit_urb(this_urb, GFP_ATOMIC); 2463 if (err != 0) 2464 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); 2465 2466 return 0; 2467 } 2468 2469 static int keyspan_usa90_send_setup(struct usb_serial *serial, 2470 struct usb_serial_port *port, 2471 int reset_port) 2472 { 2473 struct keyspan_usa90_portControlMessage msg; 2474 struct keyspan_serial_private *s_priv; 2475 struct keyspan_port_private *p_priv; 2476 const struct keyspan_device_details *d_details; 2477 struct urb *this_urb; 2478 int err; 2479 u8 prescaler; 2480 2481 s_priv = usb_get_serial_data(serial); 2482 p_priv = usb_get_serial_port_data(port); 2483 d_details = s_priv->device_details; 2484 2485 /* only do something if we have a bulk out endpoint */ 2486 this_urb = p_priv->outcont_urb; 2487 if (this_urb == NULL) { 2488 dev_dbg(&port->dev, "%s - oops no urb.\n", __func__); 2489 return -1; 2490 } 2491 2492 /* Save reset port val for resend. 2493 Don't overwrite resend for open/close condition. */ 2494 if ((reset_port + 1) > p_priv->resend_cont) 2495 p_priv->resend_cont = reset_port + 1; 2496 if (this_urb->status == -EINPROGRESS) { 2497 dev_dbg(&port->dev, "%s already writing\n", __func__); 2498 mdelay(5); 2499 return -1; 2500 } 2501 2502 memset(&msg, 0, sizeof(struct keyspan_usa90_portControlMessage)); 2503 2504 /* Only set baud rate if it's changed */ 2505 if (p_priv->old_baud != p_priv->baud) { 2506 p_priv->old_baud = p_priv->baud; 2507 msg.setClocking = 0x01; 2508 if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2509 &msg.baudHi, &msg.baudLo, &prescaler, 0) == KEYSPAN_INVALID_BAUD_RATE) { 2510 dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", 2511 __func__, p_priv->baud); 2512 p_priv->baud = 9600; 2513 d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2514 &msg.baudHi, &msg.baudLo, &prescaler, 0); 2515 } 2516 msg.setRxMode = 1; 2517 msg.setTxMode = 1; 2518 } 2519 2520 /* modes must always be correctly specified */ 2521 if (p_priv->baud > 57600) { 2522 msg.rxMode = RXMODE_DMA; 2523 msg.txMode = TXMODE_DMA; 2524 } else { 2525 msg.rxMode = RXMODE_BYHAND; 2526 msg.txMode = TXMODE_BYHAND; 2527 } 2528 2529 msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; 2530 switch (p_priv->cflag & CSIZE) { 2531 case CS5: 2532 msg.lcr |= USA_DATABITS_5; 2533 break; 2534 case CS6: 2535 msg.lcr |= USA_DATABITS_6; 2536 break; 2537 case CS7: 2538 msg.lcr |= USA_DATABITS_7; 2539 break; 2540 case CS8: 2541 msg.lcr |= USA_DATABITS_8; 2542 break; 2543 } 2544 if (p_priv->cflag & PARENB) { 2545 /* note USA_PARITY_NONE == 0 */ 2546 msg.lcr |= (p_priv->cflag & PARODD) ? 2547 USA_PARITY_ODD : USA_PARITY_EVEN; 2548 } 2549 if (p_priv->old_cflag != p_priv->cflag) { 2550 p_priv->old_cflag = p_priv->cflag; 2551 msg.setLcr = 0x01; 2552 } 2553 2554 if (p_priv->flow_control == flow_cts) 2555 msg.txFlowControl = TXFLOW_CTS; 2556 msg.setTxFlowControl = 0x01; 2557 msg.setRxFlowControl = 0x01; 2558 2559 msg.rxForwardingLength = 16; 2560 msg.rxForwardingTimeout = 16; 2561 msg.txAckSetting = 0; 2562 msg.xonChar = 17; 2563 msg.xoffChar = 19; 2564 2565 /* Opening port */ 2566 if (reset_port == 1) { 2567 msg.portEnabled = 1; 2568 msg.rxFlush = 1; 2569 msg.txBreak = (p_priv->break_on); 2570 } 2571 /* Closing port */ 2572 else if (reset_port == 2) 2573 msg.portEnabled = 0; 2574 /* Sending intermediate configs */ 2575 else { 2576 msg.portEnabled = 1; 2577 msg.txBreak = (p_priv->break_on); 2578 } 2579 2580 /* Do handshaking outputs */ 2581 msg.setRts = 0x01; 2582 msg.rts = p_priv->rts_state; 2583 2584 msg.setDtr = 0x01; 2585 msg.dtr = p_priv->dtr_state; 2586 2587 p_priv->resend_cont = 0; 2588 memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); 2589 2590 /* send the data out the device on control endpoint */ 2591 this_urb->transfer_buffer_length = sizeof(msg); 2592 2593 err = usb_submit_urb(this_urb, GFP_ATOMIC); 2594 if (err != 0) 2595 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); 2596 return 0; 2597 } 2598 2599 static int keyspan_usa67_send_setup(struct usb_serial *serial, 2600 struct usb_serial_port *port, 2601 int reset_port) 2602 { 2603 struct keyspan_usa67_portControlMessage msg; 2604 struct keyspan_serial_private *s_priv; 2605 struct keyspan_port_private *p_priv; 2606 const struct keyspan_device_details *d_details; 2607 struct urb *this_urb; 2608 int err, device_port; 2609 2610 s_priv = usb_get_serial_data(serial); 2611 p_priv = usb_get_serial_port_data(port); 2612 d_details = s_priv->device_details; 2613 2614 this_urb = s_priv->glocont_urb; 2615 2616 /* Work out which port within the device is being setup */ 2617 device_port = port->port_number; 2618 2619 /* Make sure we have an urb then send the message */ 2620 if (this_urb == NULL) { 2621 dev_dbg(&port->dev, "%s - oops no urb for port.\n", __func__); 2622 return -1; 2623 } 2624 2625 /* Save reset port val for resend. 2626 Don't overwrite resend for open/close condition. */ 2627 if ((reset_port + 1) > p_priv->resend_cont) 2628 p_priv->resend_cont = reset_port + 1; 2629 if (this_urb->status == -EINPROGRESS) { 2630 /* dev_dbg(&port->dev, "%s - already writing\n", __func__); */ 2631 mdelay(5); 2632 return -1; 2633 } 2634 2635 memset(&msg, 0, sizeof(struct keyspan_usa67_portControlMessage)); 2636 2637 msg.port = device_port; 2638 2639 /* Only set baud rate if it's changed */ 2640 if (p_priv->old_baud != p_priv->baud) { 2641 p_priv->old_baud = p_priv->baud; 2642 msg.setClocking = 0xff; 2643 if (d_details->calculate_baud_rate(port, p_priv->baud, d_details->baudclk, 2644 &msg.baudHi, &msg.baudLo, &msg.prescaler, 2645 device_port) == KEYSPAN_INVALID_BAUD_RATE) { 2646 dev_dbg(&port->dev, "%s - Invalid baud rate %d requested, using 9600.\n", 2647 __func__, p_priv->baud); 2648 msg.baudLo = 0; 2649 msg.baudHi = 125; /* Values for 9600 baud */ 2650 msg.prescaler = 10; 2651 } 2652 msg.setPrescaler = 0xff; 2653 } 2654 2655 msg.lcr = (p_priv->cflag & CSTOPB) ? STOPBITS_678_2 : STOPBITS_5678_1; 2656 switch (p_priv->cflag & CSIZE) { 2657 case CS5: 2658 msg.lcr |= USA_DATABITS_5; 2659 break; 2660 case CS6: 2661 msg.lcr |= USA_DATABITS_6; 2662 break; 2663 case CS7: 2664 msg.lcr |= USA_DATABITS_7; 2665 break; 2666 case CS8: 2667 msg.lcr |= USA_DATABITS_8; 2668 break; 2669 } 2670 if (p_priv->cflag & PARENB) { 2671 /* note USA_PARITY_NONE == 0 */ 2672 msg.lcr |= (p_priv->cflag & PARODD) ? 2673 USA_PARITY_ODD : USA_PARITY_EVEN; 2674 } 2675 msg.setLcr = 0xff; 2676 2677 msg.ctsFlowControl = (p_priv->flow_control == flow_cts); 2678 msg.xonFlowControl = 0; 2679 msg.setFlowControl = 0xff; 2680 msg.forwardingLength = 16; 2681 msg.xonChar = 17; 2682 msg.xoffChar = 19; 2683 2684 if (reset_port == 1) { 2685 /* Opening port */ 2686 msg._txOn = 1; 2687 msg._txOff = 0; 2688 msg.txFlush = 0; 2689 msg.txBreak = 0; 2690 msg.rxOn = 1; 2691 msg.rxOff = 0; 2692 msg.rxFlush = 1; 2693 msg.rxForward = 0; 2694 msg.returnStatus = 0; 2695 msg.resetDataToggle = 0xff; 2696 } else if (reset_port == 2) { 2697 /* Closing port */ 2698 msg._txOn = 0; 2699 msg._txOff = 1; 2700 msg.txFlush = 0; 2701 msg.txBreak = 0; 2702 msg.rxOn = 0; 2703 msg.rxOff = 1; 2704 msg.rxFlush = 1; 2705 msg.rxForward = 0; 2706 msg.returnStatus = 0; 2707 msg.resetDataToggle = 0; 2708 } else { 2709 /* Sending intermediate configs */ 2710 msg._txOn = (!p_priv->break_on); 2711 msg._txOff = 0; 2712 msg.txFlush = 0; 2713 msg.txBreak = (p_priv->break_on); 2714 msg.rxOn = 0; 2715 msg.rxOff = 0; 2716 msg.rxFlush = 0; 2717 msg.rxForward = 0; 2718 msg.returnStatus = 0; 2719 msg.resetDataToggle = 0x0; 2720 } 2721 2722 /* Do handshaking outputs */ 2723 msg.setTxTriState_setRts = 0xff; 2724 msg.txTriState_rts = p_priv->rts_state; 2725 2726 msg.setHskoa_setDtr = 0xff; 2727 msg.hskoa_dtr = p_priv->dtr_state; 2728 2729 p_priv->resend_cont = 0; 2730 2731 memcpy(this_urb->transfer_buffer, &msg, sizeof(msg)); 2732 2733 /* send the data out the device on control endpoint */ 2734 this_urb->transfer_buffer_length = sizeof(msg); 2735 2736 err = usb_submit_urb(this_urb, GFP_ATOMIC); 2737 if (err != 0) 2738 dev_dbg(&port->dev, "%s - usb_submit_urb(setup) failed (%d)\n", __func__, err); 2739 return 0; 2740 } 2741 2742 static void keyspan_send_setup(struct usb_serial_port *port, int reset_port) 2743 { 2744 struct usb_serial *serial = port->serial; 2745 struct keyspan_serial_private *s_priv; 2746 const struct keyspan_device_details *d_details; 2747 2748 s_priv = usb_get_serial_data(serial); 2749 d_details = s_priv->device_details; 2750 2751 switch (d_details->msg_format) { 2752 case msg_usa26: 2753 keyspan_usa26_send_setup(serial, port, reset_port); 2754 break; 2755 case msg_usa28: 2756 keyspan_usa28_send_setup(serial, port, reset_port); 2757 break; 2758 case msg_usa49: 2759 keyspan_usa49_send_setup(serial, port, reset_port); 2760 break; 2761 case msg_usa90: 2762 keyspan_usa90_send_setup(serial, port, reset_port); 2763 break; 2764 case msg_usa67: 2765 keyspan_usa67_send_setup(serial, port, reset_port); 2766 break; 2767 } 2768 } 2769 2770 2771 /* Gets called by the "real" driver (ie once firmware is loaded 2772 and renumeration has taken place. */ 2773 static int keyspan_startup(struct usb_serial *serial) 2774 { 2775 int i, err; 2776 struct keyspan_serial_private *s_priv; 2777 const struct keyspan_device_details *d_details; 2778 2779 for (i = 0; (d_details = keyspan_devices[i]) != NULL; ++i) 2780 if (d_details->product_id == 2781 le16_to_cpu(serial->dev->descriptor.idProduct)) 2782 break; 2783 if (d_details == NULL) { 2784 dev_err(&serial->dev->dev, "%s - unknown product id %x\n", 2785 __func__, le16_to_cpu(serial->dev->descriptor.idProduct)); 2786 return -ENODEV; 2787 } 2788 2789 /* Setup private data for serial driver */ 2790 s_priv = kzalloc(sizeof(struct keyspan_serial_private), GFP_KERNEL); 2791 if (!s_priv) 2792 return -ENOMEM; 2793 2794 s_priv->instat_buf = kzalloc(INSTAT_BUFLEN, GFP_KERNEL); 2795 if (!s_priv->instat_buf) 2796 goto err_instat_buf; 2797 2798 s_priv->indat_buf = kzalloc(INDAT49W_BUFLEN, GFP_KERNEL); 2799 if (!s_priv->indat_buf) 2800 goto err_indat_buf; 2801 2802 s_priv->glocont_buf = kzalloc(GLOCONT_BUFLEN, GFP_KERNEL); 2803 if (!s_priv->glocont_buf) 2804 goto err_glocont_buf; 2805 2806 s_priv->ctrl_buf = kzalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL); 2807 if (!s_priv->ctrl_buf) 2808 goto err_ctrl_buf; 2809 2810 s_priv->device_details = d_details; 2811 usb_set_serial_data(serial, s_priv); 2812 2813 keyspan_setup_urbs(serial); 2814 2815 if (s_priv->instat_urb != NULL) { 2816 err = usb_submit_urb(s_priv->instat_urb, GFP_KERNEL); 2817 if (err != 0) 2818 dev_dbg(&serial->dev->dev, "%s - submit instat urb failed %d\n", __func__, err); 2819 } 2820 if (s_priv->indat_urb != NULL) { 2821 err = usb_submit_urb(s_priv->indat_urb, GFP_KERNEL); 2822 if (err != 0) 2823 dev_dbg(&serial->dev->dev, "%s - submit indat urb failed %d\n", __func__, err); 2824 } 2825 2826 return 0; 2827 2828 err_ctrl_buf: 2829 kfree(s_priv->glocont_buf); 2830 err_glocont_buf: 2831 kfree(s_priv->indat_buf); 2832 err_indat_buf: 2833 kfree(s_priv->instat_buf); 2834 err_instat_buf: 2835 kfree(s_priv); 2836 2837 return -ENOMEM; 2838 } 2839 2840 static void keyspan_disconnect(struct usb_serial *serial) 2841 { 2842 struct keyspan_serial_private *s_priv; 2843 2844 s_priv = usb_get_serial_data(serial); 2845 2846 usb_kill_urb(s_priv->instat_urb); 2847 usb_kill_urb(s_priv->glocont_urb); 2848 usb_kill_urb(s_priv->indat_urb); 2849 } 2850 2851 static void keyspan_release(struct usb_serial *serial) 2852 { 2853 struct keyspan_serial_private *s_priv; 2854 2855 s_priv = usb_get_serial_data(serial); 2856 2857 /* Make sure to unlink the URBs submitted in attach. */ 2858 usb_kill_urb(s_priv->instat_urb); 2859 usb_kill_urb(s_priv->indat_urb); 2860 2861 usb_free_urb(s_priv->instat_urb); 2862 usb_free_urb(s_priv->indat_urb); 2863 usb_free_urb(s_priv->glocont_urb); 2864 2865 kfree(s_priv->ctrl_buf); 2866 kfree(s_priv->glocont_buf); 2867 kfree(s_priv->indat_buf); 2868 kfree(s_priv->instat_buf); 2869 2870 kfree(s_priv); 2871 } 2872 2873 static int keyspan_port_probe(struct usb_serial_port *port) 2874 { 2875 struct usb_serial *serial = port->serial; 2876 struct keyspan_serial_private *s_priv; 2877 struct keyspan_port_private *p_priv; 2878 const struct keyspan_device_details *d_details; 2879 struct callbacks *cback; 2880 int endp; 2881 int port_num; 2882 int i; 2883 2884 s_priv = usb_get_serial_data(serial); 2885 d_details = s_priv->device_details; 2886 2887 p_priv = kzalloc(sizeof(*p_priv), GFP_KERNEL); 2888 if (!p_priv) 2889 return -ENOMEM; 2890 2891 for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) { 2892 p_priv->in_buffer[i] = kzalloc(IN_BUFLEN, GFP_KERNEL); 2893 if (!p_priv->in_buffer[i]) 2894 goto err_free_in_buffer; 2895 } 2896 2897 for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) { 2898 p_priv->out_buffer[i] = kzalloc(OUT_BUFLEN, GFP_KERNEL); 2899 if (!p_priv->out_buffer[i]) 2900 goto err_free_out_buffer; 2901 } 2902 2903 p_priv->inack_buffer = kzalloc(INACK_BUFLEN, GFP_KERNEL); 2904 if (!p_priv->inack_buffer) 2905 goto err_free_out_buffer; 2906 2907 p_priv->outcont_buffer = kzalloc(OUTCONT_BUFLEN, GFP_KERNEL); 2908 if (!p_priv->outcont_buffer) 2909 goto err_free_inack_buffer; 2910 2911 p_priv->device_details = d_details; 2912 2913 /* Setup values for the various callback routines */ 2914 cback = &keyspan_callbacks[d_details->msg_format]; 2915 2916 port_num = port->port_number; 2917 2918 /* Do indat endpoints first, once for each flip */ 2919 endp = d_details->indat_endpoints[port_num]; 2920 for (i = 0; i <= d_details->indat_endp_flip; ++i, ++endp) { 2921 p_priv->in_urbs[i] = keyspan_setup_urb(serial, endp, 2922 USB_DIR_IN, port, 2923 p_priv->in_buffer[i], 2924 IN_BUFLEN, 2925 cback->indat_callback); 2926 } 2927 /* outdat endpoints also have flip */ 2928 endp = d_details->outdat_endpoints[port_num]; 2929 for (i = 0; i <= d_details->outdat_endp_flip; ++i, ++endp) { 2930 p_priv->out_urbs[i] = keyspan_setup_urb(serial, endp, 2931 USB_DIR_OUT, port, 2932 p_priv->out_buffer[i], 2933 OUT_BUFLEN, 2934 cback->outdat_callback); 2935 } 2936 /* inack endpoint */ 2937 p_priv->inack_urb = keyspan_setup_urb(serial, 2938 d_details->inack_endpoints[port_num], 2939 USB_DIR_IN, port, 2940 p_priv->inack_buffer, 2941 INACK_BUFLEN, 2942 cback->inack_callback); 2943 /* outcont endpoint */ 2944 p_priv->outcont_urb = keyspan_setup_urb(serial, 2945 d_details->outcont_endpoints[port_num], 2946 USB_DIR_OUT, port, 2947 p_priv->outcont_buffer, 2948 OUTCONT_BUFLEN, 2949 cback->outcont_callback); 2950 2951 usb_set_serial_port_data(port, p_priv); 2952 2953 return 0; 2954 2955 err_free_inack_buffer: 2956 kfree(p_priv->inack_buffer); 2957 err_free_out_buffer: 2958 for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) 2959 kfree(p_priv->out_buffer[i]); 2960 err_free_in_buffer: 2961 for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) 2962 kfree(p_priv->in_buffer[i]); 2963 kfree(p_priv); 2964 2965 return -ENOMEM; 2966 } 2967 2968 static void keyspan_port_remove(struct usb_serial_port *port) 2969 { 2970 struct keyspan_port_private *p_priv; 2971 int i; 2972 2973 p_priv = usb_get_serial_port_data(port); 2974 2975 usb_kill_urb(p_priv->inack_urb); 2976 usb_kill_urb(p_priv->outcont_urb); 2977 for (i = 0; i < 2; i++) { 2978 usb_kill_urb(p_priv->in_urbs[i]); 2979 usb_kill_urb(p_priv->out_urbs[i]); 2980 } 2981 2982 usb_free_urb(p_priv->inack_urb); 2983 usb_free_urb(p_priv->outcont_urb); 2984 for (i = 0; i < 2; i++) { 2985 usb_free_urb(p_priv->in_urbs[i]); 2986 usb_free_urb(p_priv->out_urbs[i]); 2987 } 2988 2989 kfree(p_priv->outcont_buffer); 2990 kfree(p_priv->inack_buffer); 2991 for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) 2992 kfree(p_priv->out_buffer[i]); 2993 for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) 2994 kfree(p_priv->in_buffer[i]); 2995 2996 kfree(p_priv); 2997 } 2998 2999 /* Structs for the devices, pre and post renumeration. */ 3000 static struct usb_serial_driver keyspan_pre_device = { 3001 .driver = { 3002 .owner = THIS_MODULE, 3003 .name = "keyspan_no_firm", 3004 }, 3005 .description = "Keyspan - (without firmware)", 3006 .id_table = keyspan_pre_ids, 3007 .num_ports = 1, 3008 .attach = keyspan_fake_startup, 3009 }; 3010 3011 static struct usb_serial_driver keyspan_1port_device = { 3012 .driver = { 3013 .owner = THIS_MODULE, 3014 .name = "keyspan_1", 3015 }, 3016 .description = "Keyspan 1 port adapter", 3017 .id_table = keyspan_1port_ids, 3018 .num_ports = 1, 3019 .open = keyspan_open, 3020 .close = keyspan_close, 3021 .dtr_rts = keyspan_dtr_rts, 3022 .write = keyspan_write, 3023 .write_room = keyspan_write_room, 3024 .set_termios = keyspan_set_termios, 3025 .break_ctl = keyspan_break_ctl, 3026 .tiocmget = keyspan_tiocmget, 3027 .tiocmset = keyspan_tiocmset, 3028 .attach = keyspan_startup, 3029 .disconnect = keyspan_disconnect, 3030 .release = keyspan_release, 3031 .port_probe = keyspan_port_probe, 3032 .port_remove = keyspan_port_remove, 3033 }; 3034 3035 static struct usb_serial_driver keyspan_2port_device = { 3036 .driver = { 3037 .owner = THIS_MODULE, 3038 .name = "keyspan_2", 3039 }, 3040 .description = "Keyspan 2 port adapter", 3041 .id_table = keyspan_2port_ids, 3042 .num_ports = 2, 3043 .open = keyspan_open, 3044 .close = keyspan_close, 3045 .dtr_rts = keyspan_dtr_rts, 3046 .write = keyspan_write, 3047 .write_room = keyspan_write_room, 3048 .set_termios = keyspan_set_termios, 3049 .break_ctl = keyspan_break_ctl, 3050 .tiocmget = keyspan_tiocmget, 3051 .tiocmset = keyspan_tiocmset, 3052 .attach = keyspan_startup, 3053 .disconnect = keyspan_disconnect, 3054 .release = keyspan_release, 3055 .port_probe = keyspan_port_probe, 3056 .port_remove = keyspan_port_remove, 3057 }; 3058 3059 static struct usb_serial_driver keyspan_4port_device = { 3060 .driver = { 3061 .owner = THIS_MODULE, 3062 .name = "keyspan_4", 3063 }, 3064 .description = "Keyspan 4 port adapter", 3065 .id_table = keyspan_4port_ids, 3066 .num_ports = 4, 3067 .open = keyspan_open, 3068 .close = keyspan_close, 3069 .dtr_rts = keyspan_dtr_rts, 3070 .write = keyspan_write, 3071 .write_room = keyspan_write_room, 3072 .set_termios = keyspan_set_termios, 3073 .break_ctl = keyspan_break_ctl, 3074 .tiocmget = keyspan_tiocmget, 3075 .tiocmset = keyspan_tiocmset, 3076 .attach = keyspan_startup, 3077 .disconnect = keyspan_disconnect, 3078 .release = keyspan_release, 3079 .port_probe = keyspan_port_probe, 3080 .port_remove = keyspan_port_remove, 3081 }; 3082 3083 static struct usb_serial_driver * const serial_drivers[] = { 3084 &keyspan_pre_device, &keyspan_1port_device, 3085 &keyspan_2port_device, &keyspan_4port_device, NULL 3086 }; 3087 3088 module_usb_serial_driver(serial_drivers, keyspan_ids_combined); 3089 3090 MODULE_AUTHOR(DRIVER_AUTHOR); 3091 MODULE_DESCRIPTION(DRIVER_DESC); 3092 MODULE_LICENSE("GPL"); 3093 3094 MODULE_FIRMWARE("keyspan/usa28.fw"); 3095 MODULE_FIRMWARE("keyspan/usa28x.fw"); 3096 MODULE_FIRMWARE("keyspan/usa28xa.fw"); 3097 MODULE_FIRMWARE("keyspan/usa28xb.fw"); 3098 MODULE_FIRMWARE("keyspan/usa19.fw"); 3099 MODULE_FIRMWARE("keyspan/usa19qi.fw"); 3100 MODULE_FIRMWARE("keyspan/mpr.fw"); 3101 MODULE_FIRMWARE("keyspan/usa19qw.fw"); 3102 MODULE_FIRMWARE("keyspan/usa18x.fw"); 3103 MODULE_FIRMWARE("keyspan/usa19w.fw"); 3104 MODULE_FIRMWARE("keyspan/usa49w.fw"); 3105 MODULE_FIRMWARE("keyspan/usa49wlc.fw"); 3106