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sys/dev/usb/serial/uplcom.c
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1 /* $NetBSD: uplcom.c,v 1.21 2001/11/13 06:24:56 lukem Exp $ */ 2 3 #include <sys/cdefs.h> 4 __FBSDID("$FreeBSD$"); 5 6 /*- 7 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-2-Clause-NetBSD 8 * 9 * Copyright (c) 2001-2003, 2005 Shunsuke Akiyama <akiyama@jp.FreeBSD.org>. 10 * All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 /*- 35 * Copyright (c) 2001 The NetBSD Foundation, Inc. 36 * All rights reserved. 37 * 38 * This code is derived from software contributed to The NetBSD Foundation 39 * by Ichiro FUKUHARA (ichiro@ichiro.org). 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 51 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 52 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 53 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 54 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 55 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 56 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 57 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 58 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 59 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 60 * POSSIBILITY OF SUCH DAMAGE. 61 */ 62 63 /* 64 * This driver supports several USB-to-RS232 serial adapters driven by 65 * Prolific PL-2303, PL-2303X and probably PL-2303HX USB-to-RS232 66 * bridge chip. The adapters are sold under many different brand 67 * names. 68 * 69 * Datasheets are available at Prolific www site at 70 * http://www.prolific.com.tw. The datasheets don't contain full 71 * programming information for the chip. 72 * 73 * PL-2303HX is probably programmed the same as PL-2303X. 74 * 75 * There are several differences between PL-2303 and PL-2303(H)X. 76 * PL-2303(H)X can do higher bitrate in bulk mode, has _probably_ 77 * different command for controlling CRTSCTS and needs special 78 * sequence of commands for initialization which aren't also 79 * documented in the datasheet. 80 */ 81 82 #include <sys/stdint.h> 83 #include <sys/stddef.h> 84 #include <sys/param.h> 85 #include <sys/queue.h> 86 #include <sys/types.h> 87 #include <sys/systm.h> 88 #include <sys/kernel.h> 89 #include <sys/bus.h> 90 #include <sys/module.h> 91 #include <sys/lock.h> 92 #include <sys/mutex.h> 93 #include <sys/condvar.h> 94 #include <sys/sysctl.h> 95 #include <sys/sx.h> 96 #include <sys/unistd.h> 97 #include <sys/callout.h> 98 #include <sys/malloc.h> 99 #include <sys/priv.h> 100 101 #include <dev/usb/usb.h> 102 #include <dev/usb/usbdi.h> 103 #include <dev/usb/usbdi_util.h> 104 #include <dev/usb/usb_cdc.h> 105 #include "usbdevs.h" 106 107 #define USB_DEBUG_VAR uplcom_debug 108 #include <dev/usb/usb_debug.h> 109 #include <dev/usb/usb_process.h> 110 111 #include <dev/usb/serial/usb_serial.h> 112 113 #ifdef USB_DEBUG 114 static int uplcom_debug = 0; 115 116 static SYSCTL_NODE(_hw_usb, OID_AUTO, uplcom, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 117 "USB uplcom"); 118 SYSCTL_INT(_hw_usb_uplcom, OID_AUTO, debug, CTLFLAG_RWTUN, 119 &uplcom_debug, 0, "Debug level"); 120 #endif 121 122 #define UPLCOM_MODVER 1 /* module version */ 123 124 #define UPLCOM_CONFIG_INDEX 0 125 #define UPLCOM_IFACE_INDEX 0 126 #define UPLCOM_SECOND_IFACE_INDEX 1 127 128 #ifndef UPLCOM_INTR_INTERVAL 129 #define UPLCOM_INTR_INTERVAL 0 /* default */ 130 #endif 131 132 #define UPLCOM_BULK_BUF_SIZE 1024 /* bytes */ 133 134 #define UPLCOM_SET_REQUEST 0x01 135 #define UPLCOM_SET_REQUEST_PL2303HXN 0x80 136 #define UPLCOM_SET_CRTSCTS 0x41 137 #define UPLCOM_SET_CRTSCTS_PL2303X 0x61 138 #define UPLCOM_SET_CRTSCTS_PL2303HXN 0xFA 139 #define UPLCOM_CLEAR_CRTSCTS_PL2303HXN 0xFF 140 #define UPLCOM_CRTSCTS_REG_PL2303HXN 0x0A 141 #define UPLCOM_STATUS_REG_PL2303HX 0x8080 142 #define RSAQ_STATUS_CTS 0x80 143 #define RSAQ_STATUS_OVERRUN_ERROR 0x40 144 #define RSAQ_STATUS_PARITY_ERROR 0x20 145 #define RSAQ_STATUS_FRAME_ERROR 0x10 146 #define RSAQ_STATUS_RING 0x08 147 #define RSAQ_STATUS_BREAK_ERROR 0x04 148 #define RSAQ_STATUS_DSR 0x02 149 #define RSAQ_STATUS_DCD 0x01 150 151 #define TYPE_PL2303 0 152 #define TYPE_PL2303HX 1 153 #define TYPE_PL2303HXD 2 154 #define TYPE_PL2303HXN 3 155 156 #define UPLCOM_STATE_INDEX 8 157 158 enum { 159 UPLCOM_BULK_DT_WR, 160 UPLCOM_BULK_DT_RD, 161 UPLCOM_INTR_DT_RD, 162 UPLCOM_N_TRANSFER, 163 }; 164 165 struct uplcom_softc { 166 struct ucom_super_softc sc_super_ucom; 167 struct ucom_softc sc_ucom; 168 169 struct usb_xfer *sc_xfer[UPLCOM_N_TRANSFER]; 170 struct usb_device *sc_udev; 171 struct mtx sc_mtx; 172 173 uint16_t sc_line; 174 175 uint8_t sc_lsr; /* local status register */ 176 uint8_t sc_msr; /* uplcom status register */ 177 uint8_t sc_chiptype; /* type of chip */ 178 uint8_t sc_ctrl_iface_no; 179 uint8_t sc_data_iface_no; 180 uint8_t sc_iface_index[2]; 181 }; 182 183 /* prototypes */ 184 185 static usb_error_t uplcom_reset(struct uplcom_softc *, struct usb_device *); 186 static usb_error_t uplcom_pl2303_do(struct usb_device *, uint8_t, uint8_t, 187 uint16_t, uint16_t, uint16_t); 188 static int uplcom_pl2303_init(struct usb_device *, uint8_t); 189 static void uplcom_free(struct ucom_softc *); 190 static void uplcom_cfg_set_dtr(struct ucom_softc *, uint8_t); 191 static void uplcom_cfg_set_rts(struct ucom_softc *, uint8_t); 192 static void uplcom_cfg_set_break(struct ucom_softc *, uint8_t); 193 static int uplcom_pre_param(struct ucom_softc *, struct termios *); 194 static void uplcom_cfg_param(struct ucom_softc *, struct termios *); 195 static void uplcom_start_read(struct ucom_softc *); 196 static void uplcom_stop_read(struct ucom_softc *); 197 static void uplcom_start_write(struct ucom_softc *); 198 static void uplcom_stop_write(struct ucom_softc *); 199 static void uplcom_cfg_get_status(struct ucom_softc *, uint8_t *, 200 uint8_t *); 201 static void uplcom_poll(struct ucom_softc *ucom); 202 203 static device_probe_t uplcom_probe; 204 static device_attach_t uplcom_attach; 205 static device_detach_t uplcom_detach; 206 static void uplcom_free_softc(struct uplcom_softc *); 207 208 static usb_callback_t uplcom_intr_callback; 209 static usb_callback_t uplcom_write_callback; 210 static usb_callback_t uplcom_read_callback; 211 212 static const struct usb_config uplcom_config_data[UPLCOM_N_TRANSFER] = { 213 [UPLCOM_BULK_DT_WR] = { 214 .type = UE_BULK, 215 .endpoint = UE_ADDR_ANY, 216 .direction = UE_DIR_OUT, 217 .bufsize = UPLCOM_BULK_BUF_SIZE, 218 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 219 .callback = &uplcom_write_callback, 220 .if_index = 0, 221 }, 222 223 [UPLCOM_BULK_DT_RD] = { 224 .type = UE_BULK, 225 .endpoint = UE_ADDR_ANY, 226 .direction = UE_DIR_IN, 227 .bufsize = UPLCOM_BULK_BUF_SIZE, 228 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 229 .callback = &uplcom_read_callback, 230 .if_index = 0, 231 }, 232 233 [UPLCOM_INTR_DT_RD] = { 234 .type = UE_INTERRUPT, 235 .endpoint = UE_ADDR_ANY, 236 .direction = UE_DIR_IN, 237 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 238 .bufsize = 0, /* use wMaxPacketSize */ 239 .callback = &uplcom_intr_callback, 240 .if_index = 1, 241 }, 242 }; 243 244 static struct ucom_callback uplcom_callback = { 245 .ucom_cfg_get_status = &uplcom_cfg_get_status, 246 .ucom_cfg_set_dtr = &uplcom_cfg_set_dtr, 247 .ucom_cfg_set_rts = &uplcom_cfg_set_rts, 248 .ucom_cfg_set_break = &uplcom_cfg_set_break, 249 .ucom_cfg_param = &uplcom_cfg_param, 250 .ucom_pre_param = &uplcom_pre_param, 251 .ucom_start_read = &uplcom_start_read, 252 .ucom_stop_read = &uplcom_stop_read, 253 .ucom_start_write = &uplcom_start_write, 254 .ucom_stop_write = &uplcom_stop_write, 255 .ucom_poll = &uplcom_poll, 256 .ucom_free = &uplcom_free, 257 }; 258 259 #define UPLCOM_DEV(v,p) \ 260 { USB_VENDOR(USB_VENDOR_##v), USB_PRODUCT(USB_PRODUCT_##v##_##p) } 261 262 static const STRUCT_USB_HOST_ID uplcom_devs[] = { 263 UPLCOM_DEV(ACERP, S81), /* BenQ S81 phone */ 264 UPLCOM_DEV(ADLINK, ND6530), /* ADLINK ND-6530 USB-Serial */ 265 UPLCOM_DEV(ALCATEL, OT535), /* Alcatel One Touch 535/735 */ 266 UPLCOM_DEV(ALCOR, AU9720), /* Alcor AU9720 USB 2.0-RS232 */ 267 UPLCOM_DEV(ANCHOR, SERIAL), /* Anchor Serial adapter */ 268 UPLCOM_DEV(ATEN, UC232A), /* PLANEX USB-RS232 URS-03 */ 269 UPLCOM_DEV(ATEN, UC232B), /* Prolific USB-RS232 Controller D */ 270 UPLCOM_DEV(BELKIN, F5U257), /* Belkin F5U257 USB to Serial */ 271 UPLCOM_DEV(COREGA, CGUSBRS232R), /* Corega CG-USBRS232R */ 272 UPLCOM_DEV(EPSON, CRESSI_EDY), /* Cressi Edy diving computer */ 273 UPLCOM_DEV(EPSON, N2ITION3), /* Zeagle N2iTion3 diving computer */ 274 UPLCOM_DEV(ELECOM, UCSGT), /* ELECOM UC-SGT Serial Adapter */ 275 UPLCOM_DEV(ELECOM, UCSGT0), /* ELECOM UC-SGT Serial Adapter */ 276 UPLCOM_DEV(HAL, IMR001), /* HAL Corporation Crossam2+USB */ 277 UPLCOM_DEV(HP, LD220), /* HP LD220 POS Display */ 278 UPLCOM_DEV(IODATA, USBRSAQ), /* I/O DATA USB-RSAQ */ 279 UPLCOM_DEV(IODATA, USBRSAQ5), /* I/O DATA USB-RSAQ5 */ 280 UPLCOM_DEV(ITEGNO, WM1080A), /* iTegno WM1080A GSM/GFPRS modem */ 281 UPLCOM_DEV(ITEGNO, WM2080A), /* iTegno WM2080A CDMA modem */ 282 UPLCOM_DEV(LEADTEK, 9531), /* Leadtek 9531 GPS */ 283 UPLCOM_DEV(MICROSOFT, 700WX), /* Microsoft Palm 700WX */ 284 UPLCOM_DEV(MOBILEACTION, MA620), /* Mobile Action MA-620 Infrared Adapter */ 285 UPLCOM_DEV(NETINDEX, WS002IN), /* Willcom W-S002IN */ 286 UPLCOM_DEV(NOKIA2, CA42), /* Nokia CA-42 cable */ 287 UPLCOM_DEV(OTI, DKU5), /* OTI DKU-5 cable */ 288 UPLCOM_DEV(PANASONIC, TYTP50P6S), /* Panasonic TY-TP50P6-S flat screen */ 289 UPLCOM_DEV(PLX, CA42), /* PLX CA-42 clone cable */ 290 UPLCOM_DEV(PROLIFIC, ALLTRONIX_GPRS), /* Alltronix ACM003U00 modem */ 291 UPLCOM_DEV(PROLIFIC, ALDIGA_AL11U), /* AlDiga AL-11U modem */ 292 UPLCOM_DEV(PROLIFIC, DCU11), /* DCU-11 Phone Cable */ 293 UPLCOM_DEV(PROLIFIC, HCR331), /* HCR331 Card Reader */ 294 UPLCOM_DEV(PROLIFIC, MICROMAX_610U), /* Micromax 610U modem */ 295 UPLCOM_DEV(PROLIFIC, MOTOROLA), /* Motorola cable */ 296 UPLCOM_DEV(PROLIFIC, PHAROS), /* Prolific Pharos */ 297 UPLCOM_DEV(PROLIFIC, PL2303), /* Generic adapter */ 298 UPLCOM_DEV(PROLIFIC, PL2303GC), /* Generic adapter (PL2303HXN, type GC) */ 299 UPLCOM_DEV(PROLIFIC, PL2303GB), /* Generic adapter (PL2303HXN, type GB) */ 300 UPLCOM_DEV(PROLIFIC, PL2303GT), /* Generic adapter (PL2303HXN, type GT) */ 301 UPLCOM_DEV(PROLIFIC, PL2303GL), /* Generic adapter (PL2303HXN, type GL) */ 302 UPLCOM_DEV(PROLIFIC, PL2303GE), /* Generic adapter (PL2303HXN, type GE) */ 303 UPLCOM_DEV(PROLIFIC, PL2303GS), /* Generic adapter (PL2303HXN, type GS) */ 304 UPLCOM_DEV(PROLIFIC, RSAQ2), /* I/O DATA USB-RSAQ2 */ 305 UPLCOM_DEV(PROLIFIC, RSAQ3), /* I/O DATA USB-RSAQ3 */ 306 UPLCOM_DEV(PROLIFIC, UIC_MSR206), /* UIC MSR206 Card Reader */ 307 UPLCOM_DEV(PROLIFIC2, PL2303), /* Prolific adapter */ 308 UPLCOM_DEV(RADIOSHACK, USBCABLE), /* Radio Shack USB Adapter */ 309 UPLCOM_DEV(RATOC, REXUSB60), /* RATOC REX-USB60 */ 310 UPLCOM_DEV(SAGEM, USBSERIAL), /* Sagem USB-Serial Controller */ 311 UPLCOM_DEV(SAMSUNG, I330), /* Samsung I330 phone cradle */ 312 UPLCOM_DEV(SANWA, KB_USB2), /* Sanwa KB-USB2 Multimeter cable */ 313 UPLCOM_DEV(SIEMENS3, EF81), /* Siemens EF81 */ 314 UPLCOM_DEV(SIEMENS3, SX1), /* Siemens SX1 */ 315 UPLCOM_DEV(SIEMENS3, X65), /* Siemens X65 */ 316 UPLCOM_DEV(SIEMENS3, X75), /* Siemens X75 */ 317 UPLCOM_DEV(SITECOM, SERIAL), /* Sitecom USB to Serial */ 318 UPLCOM_DEV(SMART, PL2303), /* SMART Technologies USB to Serial */ 319 UPLCOM_DEV(SONY, QN3), /* Sony QN3 phone cable */ 320 UPLCOM_DEV(SONYERICSSON, DATAPILOT), /* Sony Ericsson Datapilot */ 321 UPLCOM_DEV(SONYERICSSON, DCU10), /* Sony Ericsson DCU-10 Cable */ 322 UPLCOM_DEV(SOURCENEXT, KEIKAI8), /* SOURCENEXT KeikaiDenwa 8 */ 323 UPLCOM_DEV(SOURCENEXT, KEIKAI8_CHG), /* SOURCENEXT KeikaiDenwa 8 with charger */ 324 UPLCOM_DEV(SPEEDDRAGON, MS3303H), /* Speed Dragon USB-Serial */ 325 UPLCOM_DEV(SYNTECH, CPT8001C), /* Syntech CPT-8001C Barcode scanner */ 326 UPLCOM_DEV(TDK, UHA6400), /* TDK USB-PHS Adapter UHA6400 */ 327 UPLCOM_DEV(TDK, UPA9664), /* TDK USB-PHS Adapter UPA9664 */ 328 UPLCOM_DEV(TRIPPLITE, U209), /* Tripp-Lite U209-000-R USB to Serial */ 329 UPLCOM_DEV(YCCABLE, PL2303), /* YC Cable USB-Serial */ 330 }; 331 #undef UPLCOM_DEV 332 333 static device_method_t uplcom_methods[] = { 334 DEVMETHOD(device_probe, uplcom_probe), 335 DEVMETHOD(device_attach, uplcom_attach), 336 DEVMETHOD(device_detach, uplcom_detach), 337 DEVMETHOD_END 338 }; 339 340 static driver_t uplcom_driver = { 341 .name = "uplcom", 342 .methods = uplcom_methods, 343 .size = sizeof(struct uplcom_softc), 344 }; 345 346 DRIVER_MODULE(uplcom, uhub, uplcom_driver, NULL, NULL); 347 MODULE_DEPEND(uplcom, ucom, 1, 1, 1); 348 MODULE_DEPEND(uplcom, usb, 1, 1, 1); 349 MODULE_VERSION(uplcom, UPLCOM_MODVER); 350 USB_PNP_HOST_INFO(uplcom_devs); 351 352 static int 353 uplcom_probe(device_t dev) 354 { 355 struct usb_attach_arg *uaa = device_get_ivars(dev); 356 357 DPRINTFN(11, "\n"); 358 359 if (uaa->usb_mode != USB_MODE_HOST) { 360 return (ENXIO); 361 } 362 if (uaa->info.bConfigIndex != UPLCOM_CONFIG_INDEX) { 363 return (ENXIO); 364 } 365 if (uaa->info.bIfaceIndex != UPLCOM_IFACE_INDEX) { 366 return (ENXIO); 367 } 368 return (usbd_lookup_id_by_uaa(uplcom_devs, sizeof(uplcom_devs), uaa)); 369 } 370 371 static int 372 uplcom_attach(device_t dev) 373 { 374 struct usb_attach_arg *uaa = device_get_ivars(dev); 375 struct uplcom_softc *sc = device_get_softc(dev); 376 struct usb_interface *iface; 377 struct usb_interface_descriptor *id; 378 struct usb_device_descriptor *dd; 379 int error; 380 381 struct usb_device_request req; 382 usb_error_t err; 383 uint8_t buf[4]; 384 385 DPRINTFN(11, "\n"); 386 387 device_set_usb_desc(dev); 388 mtx_init(&sc->sc_mtx, "uplcom", NULL, MTX_DEF); 389 ucom_ref(&sc->sc_super_ucom); 390 391 DPRINTF("sc = %p\n", sc); 392 393 sc->sc_udev = uaa->device; 394 395 dd = usbd_get_device_descriptor(sc->sc_udev); 396 397 switch (UGETW(dd->bcdDevice)) { 398 case 0x0300: 399 sc->sc_chiptype = TYPE_PL2303HX; 400 /* or TA, that is HX with external crystal */ 401 break; 402 case 0x0400: 403 sc->sc_chiptype = TYPE_PL2303HXD; 404 /* or EA, that is HXD with ESD protection */ 405 /* or RA, that has internal voltage level converter that works only up to 1Mbaud (!) */ 406 break; 407 case 0x0500: 408 sc->sc_chiptype = TYPE_PL2303HXD; 409 /* in fact it's TB, that is HXD with external crystal */ 410 break; 411 default: 412 /* NOTE: I have no info about the bcdDevice for the base PL2303 (up to 1.2Mbaud, 413 only fixed rates) and for PL2303SA (8-pin chip, up to 115200 baud */ 414 /* Determine the chip type. This algorithm is taken from Linux. */ 415 if (dd->bDeviceClass == 0x02) 416 sc->sc_chiptype = TYPE_PL2303; 417 else if (dd->bMaxPacketSize == 0x40) 418 sc->sc_chiptype = TYPE_PL2303HX; 419 else 420 sc->sc_chiptype = TYPE_PL2303; 421 break; 422 } 423 424 /* 425 * The new chip revision PL2303HXN is only compatible with the new 426 * UPLCOM_SET_REQUEST_PL2303HXN command. Issuing the old command 427 * UPLCOM_SET_REQUEST to the new chip raises an error. Thus, PL2303HX 428 * and PL2303HXN can be distinguished by issuing an old-style request 429 * (on a status register) to the new chip and checking the error. 430 */ 431 if (sc->sc_chiptype == TYPE_PL2303HX) { 432 req.bmRequestType = UT_READ_VENDOR_DEVICE; 433 req.bRequest = UPLCOM_SET_REQUEST; 434 USETW(req.wValue, UPLCOM_STATUS_REG_PL2303HX); 435 req.wIndex[0] = sc->sc_data_iface_no; 436 req.wIndex[1] = 0; 437 USETW(req.wLength, 1); 438 err = usbd_do_request(sc->sc_udev, NULL, &req, buf); 439 if (err) 440 sc->sc_chiptype = TYPE_PL2303HXN; 441 } 442 443 switch (sc->sc_chiptype) { 444 case TYPE_PL2303: 445 DPRINTF("chiptype: 2303\n"); 446 break; 447 case TYPE_PL2303HX: 448 DPRINTF("chiptype: 2303HX/TA\n"); 449 break; 450 case TYPE_PL2303HXN: 451 DPRINTF("chiptype: 2303HXN\n"); 452 break; 453 case TYPE_PL2303HXD: 454 DPRINTF("chiptype: 2303HXD/TB/RA/EA\n"); 455 break; 456 default: 457 DPRINTF("chiptype: unknown %d\n", sc->sc_chiptype); 458 break; 459 } 460 461 /* 462 * USB-RSAQ1 has two interface 463 * 464 * USB-RSAQ1 | USB-RSAQ2 465 * -----------------+----------------- 466 * Interface 0 |Interface 0 467 * Interrupt(0x81) | Interrupt(0x81) 468 * -----------------+ BulkIN(0x02) 469 * Interface 1 | BulkOUT(0x83) 470 * BulkIN(0x02) | 471 * BulkOUT(0x83) | 472 */ 473 474 sc->sc_ctrl_iface_no = uaa->info.bIfaceNum; 475 sc->sc_iface_index[1] = UPLCOM_IFACE_INDEX; 476 477 iface = usbd_get_iface(uaa->device, UPLCOM_SECOND_IFACE_INDEX); 478 if (iface) { 479 id = usbd_get_interface_descriptor(iface); 480 if (id == NULL) { 481 device_printf(dev, "no interface descriptor (2)\n"); 482 goto detach; 483 } 484 sc->sc_data_iface_no = id->bInterfaceNumber; 485 sc->sc_iface_index[0] = UPLCOM_SECOND_IFACE_INDEX; 486 usbd_set_parent_iface(uaa->device, 487 UPLCOM_SECOND_IFACE_INDEX, uaa->info.bIfaceIndex); 488 } else { 489 sc->sc_data_iface_no = sc->sc_ctrl_iface_no; 490 sc->sc_iface_index[0] = UPLCOM_IFACE_INDEX; 491 } 492 493 error = usbd_transfer_setup(uaa->device, 494 sc->sc_iface_index, sc->sc_xfer, uplcom_config_data, 495 UPLCOM_N_TRANSFER, sc, &sc->sc_mtx); 496 if (error) { 497 DPRINTF("one or more missing USB endpoints, " 498 "error=%s\n", usbd_errstr(error)); 499 goto detach; 500 } 501 error = uplcom_reset(sc, uaa->device); 502 if (error) { 503 device_printf(dev, "reset failed, error=%s\n", 504 usbd_errstr(error)); 505 goto detach; 506 } 507 508 if (sc->sc_chiptype == TYPE_PL2303) { 509 /* HX variants seem to lock up after a clear stall request. */ 510 mtx_lock(&sc->sc_mtx); 511 usbd_xfer_set_stall(sc->sc_xfer[UPLCOM_BULK_DT_WR]); 512 usbd_xfer_set_stall(sc->sc_xfer[UPLCOM_BULK_DT_RD]); 513 mtx_unlock(&sc->sc_mtx); 514 } else if (sc->sc_chiptype == TYPE_PL2303HX || 515 sc->sc_chiptype == TYPE_PL2303HXD) { 516 /* reset upstream data pipes */ 517 if (uplcom_pl2303_do(sc->sc_udev, UT_WRITE_VENDOR_DEVICE, 518 UPLCOM_SET_REQUEST, 8, 0, 0) || 519 uplcom_pl2303_do(sc->sc_udev, UT_WRITE_VENDOR_DEVICE, 520 UPLCOM_SET_REQUEST, 9, 0, 0)) { 521 goto detach; 522 } 523 } else if (sc->sc_chiptype == TYPE_PL2303HXN) { 524 /* reset upstream data pipes */ 525 if (uplcom_pl2303_do(sc->sc_udev, UT_WRITE_VENDOR_DEVICE, 526 UPLCOM_SET_REQUEST_PL2303HXN, 0x07, 0x03, 0)) { 527 goto detach; 528 } 529 } 530 531 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 532 &uplcom_callback, &sc->sc_mtx); 533 if (error) { 534 goto detach; 535 } 536 /* 537 * do the initialization during attach so that the system does not 538 * sleep during open: 539 */ 540 if (uplcom_pl2303_init(uaa->device, sc->sc_chiptype)) { 541 device_printf(dev, "init failed\n"); 542 goto detach; 543 } 544 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 545 546 return (0); 547 548 detach: 549 uplcom_detach(dev); 550 return (ENXIO); 551 } 552 553 static int 554 uplcom_detach(device_t dev) 555 { 556 struct uplcom_softc *sc = device_get_softc(dev); 557 558 DPRINTF("sc=%p\n", sc); 559 560 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 561 usbd_transfer_unsetup(sc->sc_xfer, UPLCOM_N_TRANSFER); 562 563 device_claim_softc(dev); 564 565 uplcom_free_softc(sc); 566 567 return (0); 568 } 569 570 UCOM_UNLOAD_DRAIN(uplcom); 571 572 static void 573 uplcom_free_softc(struct uplcom_softc *sc) 574 { 575 if (ucom_unref(&sc->sc_super_ucom)) { 576 mtx_destroy(&sc->sc_mtx); 577 device_free_softc(sc); 578 } 579 } 580 581 static void 582 uplcom_free(struct ucom_softc *ucom) 583 { 584 uplcom_free_softc(ucom->sc_parent); 585 } 586 587 static usb_error_t 588 uplcom_reset(struct uplcom_softc *sc, struct usb_device *udev) 589 { 590 struct usb_device_request req; 591 592 if (sc->sc_chiptype == TYPE_PL2303HXN) { 593 /* PL2303HXN doesn't need this reset sequence */ 594 return (0); 595 } 596 597 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 598 req.bRequest = UPLCOM_SET_REQUEST; 599 USETW(req.wValue, 0); 600 req.wIndex[0] = sc->sc_data_iface_no; 601 req.wIndex[1] = 0; 602 USETW(req.wLength, 0); 603 604 return (usbd_do_request(udev, NULL, &req, NULL)); 605 } 606 607 static usb_error_t 608 uplcom_pl2303_do(struct usb_device *udev, uint8_t req_type, uint8_t request, 609 uint16_t value, uint16_t index, uint16_t length) 610 { 611 struct usb_device_request req; 612 usb_error_t err; 613 uint8_t buf[4]; 614 615 req.bmRequestType = req_type; 616 req.bRequest = request; 617 USETW(req.wValue, value); 618 USETW(req.wIndex, index); 619 USETW(req.wLength, length); 620 621 err = usbd_do_request(udev, NULL, &req, buf); 622 if (err) { 623 DPRINTF("error=%s\n", usbd_errstr(err)); 624 return (1); 625 } 626 return (0); 627 } 628 629 static int 630 uplcom_pl2303_init(struct usb_device *udev, uint8_t chiptype) 631 { 632 int err; 633 634 if (chiptype == TYPE_PL2303HXN) { 635 /* PL2303HXN doesn't need this initialization sequence */ 636 return (0); 637 } 638 639 if (uplcom_pl2303_do(udev, UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 1) 640 || uplcom_pl2303_do(udev, UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 0, 0) 641 || uplcom_pl2303_do(udev, UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 1) 642 || uplcom_pl2303_do(udev, UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 1) 643 || uplcom_pl2303_do(udev, UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 1) 644 || uplcom_pl2303_do(udev, UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 1, 0) 645 || uplcom_pl2303_do(udev, UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 1) 646 || uplcom_pl2303_do(udev, UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0, 1) 647 || uplcom_pl2303_do(udev, UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0, 1, 0) 648 || uplcom_pl2303_do(udev, UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 1, 0, 0)) 649 return (EIO); 650 651 if (chiptype != TYPE_PL2303) 652 err = uplcom_pl2303_do(udev, UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 2, 0x44, 0); 653 else 654 err = uplcom_pl2303_do(udev, UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 2, 0x24, 0); 655 if (err) 656 return (EIO); 657 658 return (0); 659 } 660 661 static void 662 uplcom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 663 { 664 struct uplcom_softc *sc = ucom->sc_parent; 665 struct usb_device_request req; 666 667 DPRINTF("onoff = %d\n", onoff); 668 669 if (onoff) 670 sc->sc_line |= UCDC_LINE_DTR; 671 else 672 sc->sc_line &= ~UCDC_LINE_DTR; 673 674 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 675 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 676 USETW(req.wValue, sc->sc_line); 677 req.wIndex[0] = sc->sc_data_iface_no; 678 req.wIndex[1] = 0; 679 USETW(req.wLength, 0); 680 681 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 682 &req, NULL, 0, 1000); 683 } 684 685 static void 686 uplcom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 687 { 688 struct uplcom_softc *sc = ucom->sc_parent; 689 struct usb_device_request req; 690 691 DPRINTF("onoff = %d\n", onoff); 692 693 if (onoff) 694 sc->sc_line |= UCDC_LINE_RTS; 695 else 696 sc->sc_line &= ~UCDC_LINE_RTS; 697 698 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 699 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 700 USETW(req.wValue, sc->sc_line); 701 req.wIndex[0] = sc->sc_data_iface_no; 702 req.wIndex[1] = 0; 703 USETW(req.wLength, 0); 704 705 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 706 &req, NULL, 0, 1000); 707 } 708 709 static void 710 uplcom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 711 { 712 struct uplcom_softc *sc = ucom->sc_parent; 713 struct usb_device_request req; 714 uint16_t temp; 715 716 DPRINTF("onoff = %d\n", onoff); 717 718 temp = (onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 719 720 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 721 req.bRequest = UCDC_SEND_BREAK; 722 USETW(req.wValue, temp); 723 req.wIndex[0] = sc->sc_data_iface_no; 724 req.wIndex[1] = 0; 725 USETW(req.wLength, 0); 726 727 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 728 &req, NULL, 0, 1000); 729 } 730 731 /* 732 * NOTE: These baud rates are officially supported, they can be written 733 * directly into dwDTERate register. 734 * 735 * Free baudrate setting is not supported by the base PL2303, and on 736 * other models it requires writing a divisor value to dwDTERate instead 737 * of the raw baudrate. The formula for divisor calculation is not published 738 * by the vendor, so it is speculative, though the official product homepage 739 * refers to the Linux module source as a reference implementation. 740 */ 741 static const uint32_t uplcom_rates[] = { 742 /* 743 * Basic 'standard' speed rates, supported by all models 744 * NOTE: 900 and 56000 actually works as well 745 */ 746 75, 150, 300, 600, 900, 1200, 1800, 2400, 3600, 4800, 7200, 9600, 14400, 747 19200, 28800, 38400, 56000, 57600, 115200, 748 /* 749 * Advanced speed rates up to 6Mbs, supported by HX/TA and HXD/TB/EA/RA 750 * NOTE: regardless of the spec, 256000 does not work 751 */ 752 128000, 134400, 161280, 201600, 230400, 268800, 403200, 460800, 614400, 753 806400, 921600, 1228800, 2457600, 3000000, 6000000, 754 /* 755 * Advanced speed rates up to 12, supported by HXD/TB/EA/RA 756 */ 757 12000000 758 }; 759 760 #define N_UPLCOM_RATES nitems(uplcom_rates) 761 762 static int 763 uplcom_baud_supported(unsigned speed) 764 { 765 int i; 766 for (i = 0; i < N_UPLCOM_RATES; i++) { 767 if (uplcom_rates[i] == speed) 768 return 1; 769 } 770 return 0; 771 } 772 773 static int 774 uplcom_pre_param(struct ucom_softc *ucom, struct termios *t) 775 { 776 struct uplcom_softc *sc = ucom->sc_parent; 777 778 DPRINTF("\n"); 779 780 /** 781 * Check requested baud rate. 782 * 783 * The PL2303 can only set specific baud rates, up to 1228800 baud. 784 * The PL2303HX can set any baud rate up to 6Mb. 785 * The PL2303HX rev. D and PL2303HXN can set any baud rate up to 12Mb. 786 * 787 */ 788 789 /* accept raw divisor data, if someone wants to do the math in user domain */ 790 if (t->c_ospeed & 0x80000000) 791 return 0; 792 switch (sc->sc_chiptype) { 793 case TYPE_PL2303HXN: 794 if (t->c_ospeed <= 12000000) 795 return (0); 796 break; 797 case TYPE_PL2303HXD: 798 if (t->c_ospeed <= 12000000) 799 return (0); 800 break; 801 case TYPE_PL2303HX: 802 if (t->c_ospeed <= 6000000) 803 return (0); 804 break; 805 default: 806 if (uplcom_baud_supported(t->c_ospeed)) 807 return (0); 808 break; 809 } 810 811 DPRINTF("uplcom_param: bad baud rate (%d)\n", t->c_ospeed); 812 return (EIO); 813 } 814 815 static unsigned 816 uplcom_encode_baud_rate_divisor(uint8_t *buf, unsigned baud) 817 { 818 unsigned baseline, mantissa, exponent; 819 820 /* Determine the baud rate divisor. This algorithm is taken from Linux. */ 821 /* 822 * Apparently the formula is: 823 * baudrate = baseline / (mantissa * 4^exponent) 824 * where 825 * mantissa = buf[8:0] 826 * exponent = buf[11:9] 827 */ 828 if (baud == 0) 829 baud = 1; 830 baseline = 383385600; 831 mantissa = baseline / baud; 832 if (mantissa == 0) 833 mantissa = 1; 834 exponent = 0; 835 while (mantissa >= 512) { 836 if (exponent < 7) { 837 mantissa >>= 2; /* divide by 4 */ 838 exponent++; 839 } else { 840 /* Exponent is maxed. Trim mantissa and leave. This gives approx. 45.8 baud */ 841 mantissa = 511; 842 break; 843 } 844 } 845 846 buf[3] = 0x80; 847 buf[2] = 0; 848 buf[1] = exponent << 1 | mantissa >> 8; 849 buf[0] = mantissa & 0xff; 850 851 /* Calculate and return the exact baud rate. */ 852 baud = (baseline / mantissa) >> (exponent << 1); 853 DPRINTF("real baud rate will be %u\n", baud); 854 855 return baud; 856 } 857 static void 858 uplcom_cfg_param(struct ucom_softc *ucom, struct termios *t) 859 { 860 struct uplcom_softc *sc = ucom->sc_parent; 861 struct usb_cdc_line_state ls; 862 struct usb_device_request req; 863 864 DPRINTF("sc = %p\n", sc); 865 866 memset(&ls, 0, sizeof(ls)); 867 868 /* 869 * NOTE: If unsupported baud rates are set directly, the PL2303* uses 9600 baud. 870 */ 871 if ((t->c_ospeed & 0x80000000) || uplcom_baud_supported(t->c_ospeed)) 872 USETDW(ls.dwDTERate, t->c_ospeed); 873 else 874 t->c_ospeed = uplcom_encode_baud_rate_divisor((uint8_t*)&ls.dwDTERate, t->c_ospeed); 875 876 if (t->c_cflag & CSTOPB) { 877 if ((t->c_cflag & CSIZE) == CS5) { 878 /* 879 * NOTE: Comply with "real" UARTs / RS232: 880 * use 1.5 instead of 2 stop bits with 5 data bits 881 */ 882 ls.bCharFormat = UCDC_STOP_BIT_1_5; 883 } else { 884 ls.bCharFormat = UCDC_STOP_BIT_2; 885 } 886 } else { 887 ls.bCharFormat = UCDC_STOP_BIT_1; 888 } 889 890 if (t->c_cflag & PARENB) { 891 if (t->c_cflag & PARODD) { 892 ls.bParityType = UCDC_PARITY_ODD; 893 } else { 894 ls.bParityType = UCDC_PARITY_EVEN; 895 } 896 } else { 897 ls.bParityType = UCDC_PARITY_NONE; 898 } 899 900 switch (t->c_cflag & CSIZE) { 901 case CS5: 902 ls.bDataBits = 5; 903 break; 904 case CS6: 905 ls.bDataBits = 6; 906 break; 907 case CS7: 908 ls.bDataBits = 7; 909 break; 910 case CS8: 911 ls.bDataBits = 8; 912 break; 913 } 914 915 DPRINTF("rate=0x%08x fmt=%d parity=%d bits=%d\n", 916 UGETDW(ls.dwDTERate), ls.bCharFormat, 917 ls.bParityType, ls.bDataBits); 918 919 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 920 req.bRequest = UCDC_SET_LINE_CODING; 921 USETW(req.wValue, 0); 922 req.wIndex[0] = sc->sc_data_iface_no; 923 req.wIndex[1] = 0; 924 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 925 926 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 927 &req, &ls, 0, 1000); 928 929 if (t->c_cflag & CRTSCTS) { 930 DPRINTF("crtscts = on\n"); 931 932 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 933 if (sc->sc_chiptype == TYPE_PL2303HXN) { 934 req.bRequest = UPLCOM_SET_REQUEST_PL2303HXN; 935 USETW(req.wValue, UPLCOM_CRTSCTS_REG_PL2303HXN); 936 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_PL2303HXN); 937 } else { 938 req.bRequest = UPLCOM_SET_REQUEST; 939 USETW(req.wValue, 0); 940 if (sc->sc_chiptype != TYPE_PL2303) 941 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_PL2303X); 942 else 943 USETW(req.wIndex, UPLCOM_SET_CRTSCTS); 944 } 945 USETW(req.wLength, 0); 946 947 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 948 &req, NULL, 0, 1000); 949 } else { 950 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 951 if (sc->sc_chiptype == TYPE_PL2303HXN) { 952 req.bRequest = UPLCOM_SET_REQUEST_PL2303HXN; 953 USETW(req.wValue, UPLCOM_CRTSCTS_REG_PL2303HXN); 954 USETW(req.wIndex, UPLCOM_CLEAR_CRTSCTS_PL2303HXN); 955 } 956 else { 957 req.bRequest = UPLCOM_SET_REQUEST; 958 USETW(req.wValue, 0); 959 USETW(req.wIndex, 0); 960 } 961 USETW(req.wLength, 0); 962 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 963 &req, NULL, 0, 1000); 964 } 965 } 966 967 static void 968 uplcom_start_read(struct ucom_softc *ucom) 969 { 970 struct uplcom_softc *sc = ucom->sc_parent; 971 972 /* start interrupt endpoint */ 973 usbd_transfer_start(sc->sc_xfer[UPLCOM_INTR_DT_RD]); 974 975 /* start read endpoint */ 976 usbd_transfer_start(sc->sc_xfer[UPLCOM_BULK_DT_RD]); 977 } 978 979 static void 980 uplcom_stop_read(struct ucom_softc *ucom) 981 { 982 struct uplcom_softc *sc = ucom->sc_parent; 983 984 /* stop interrupt endpoint */ 985 usbd_transfer_stop(sc->sc_xfer[UPLCOM_INTR_DT_RD]); 986 987 /* stop read endpoint */ 988 usbd_transfer_stop(sc->sc_xfer[UPLCOM_BULK_DT_RD]); 989 } 990 991 static void 992 uplcom_start_write(struct ucom_softc *ucom) 993 { 994 struct uplcom_softc *sc = ucom->sc_parent; 995 996 usbd_transfer_start(sc->sc_xfer[UPLCOM_BULK_DT_WR]); 997 } 998 999 static void 1000 uplcom_stop_write(struct ucom_softc *ucom) 1001 { 1002 struct uplcom_softc *sc = ucom->sc_parent; 1003 1004 usbd_transfer_stop(sc->sc_xfer[UPLCOM_BULK_DT_WR]); 1005 } 1006 1007 static void 1008 uplcom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 1009 { 1010 struct uplcom_softc *sc = ucom->sc_parent; 1011 1012 DPRINTF("\n"); 1013 1014 *lsr = sc->sc_lsr; 1015 *msr = sc->sc_msr; 1016 } 1017 1018 static void 1019 uplcom_intr_callback(struct usb_xfer *xfer, usb_error_t error) 1020 { 1021 struct uplcom_softc *sc = usbd_xfer_softc(xfer); 1022 struct usb_page_cache *pc; 1023 uint8_t buf[9]; 1024 int actlen; 1025 1026 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1027 1028 switch (USB_GET_STATE(xfer)) { 1029 case USB_ST_TRANSFERRED: 1030 1031 DPRINTF("actlen = %u\n", actlen); 1032 1033 if (actlen >= 9) { 1034 pc = usbd_xfer_get_frame(xfer, 0); 1035 usbd_copy_out(pc, 0, buf, sizeof(buf)); 1036 1037 DPRINTF("status = 0x%02x\n", buf[UPLCOM_STATE_INDEX]); 1038 1039 sc->sc_lsr = 0; 1040 sc->sc_msr = 0; 1041 1042 if (buf[UPLCOM_STATE_INDEX] & RSAQ_STATUS_CTS) { 1043 sc->sc_msr |= SER_CTS; 1044 } 1045 if (buf[UPLCOM_STATE_INDEX] & RSAQ_STATUS_OVERRUN_ERROR) { 1046 sc->sc_lsr |= ULSR_OE; 1047 } 1048 if (buf[UPLCOM_STATE_INDEX] & RSAQ_STATUS_PARITY_ERROR) { 1049 sc->sc_lsr |= ULSR_PE; 1050 } 1051 if (buf[UPLCOM_STATE_INDEX] & RSAQ_STATUS_FRAME_ERROR) { 1052 sc->sc_lsr |= ULSR_FE; 1053 } 1054 if (buf[UPLCOM_STATE_INDEX] & RSAQ_STATUS_RING) { 1055 sc->sc_msr |= SER_RI; 1056 } 1057 if (buf[UPLCOM_STATE_INDEX] & RSAQ_STATUS_BREAK_ERROR) { 1058 sc->sc_lsr |= ULSR_BI; 1059 } 1060 if (buf[UPLCOM_STATE_INDEX] & RSAQ_STATUS_DSR) { 1061 sc->sc_msr |= SER_DSR; 1062 } 1063 if (buf[UPLCOM_STATE_INDEX] & RSAQ_STATUS_DCD) { 1064 sc->sc_msr |= SER_DCD; 1065 } 1066 ucom_status_change(&sc->sc_ucom); 1067 } 1068 case USB_ST_SETUP: 1069 tr_setup: 1070 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1071 usbd_transfer_submit(xfer); 1072 return; 1073 1074 default: /* Error */ 1075 if (error != USB_ERR_CANCELLED) { 1076 /* try to clear stall first */ 1077 usbd_xfer_set_stall(xfer); 1078 goto tr_setup; 1079 } 1080 return; 1081 } 1082 } 1083 1084 static void 1085 uplcom_write_callback(struct usb_xfer *xfer, usb_error_t error) 1086 { 1087 struct uplcom_softc *sc = usbd_xfer_softc(xfer); 1088 struct usb_page_cache *pc; 1089 uint32_t actlen; 1090 1091 switch (USB_GET_STATE(xfer)) { 1092 case USB_ST_SETUP: 1093 case USB_ST_TRANSFERRED: 1094 tr_setup: 1095 pc = usbd_xfer_get_frame(xfer, 0); 1096 if (ucom_get_data(&sc->sc_ucom, pc, 0, 1097 UPLCOM_BULK_BUF_SIZE, &actlen)) { 1098 DPRINTF("actlen = %d\n", actlen); 1099 1100 usbd_xfer_set_frame_len(xfer, 0, actlen); 1101 usbd_transfer_submit(xfer); 1102 } 1103 return; 1104 1105 default: /* Error */ 1106 if (error != USB_ERR_CANCELLED) { 1107 /* try to clear stall first */ 1108 usbd_xfer_set_stall(xfer); 1109 goto tr_setup; 1110 } 1111 return; 1112 } 1113 } 1114 1115 static void 1116 uplcom_read_callback(struct usb_xfer *xfer, usb_error_t error) 1117 { 1118 struct uplcom_softc *sc = usbd_xfer_softc(xfer); 1119 struct usb_page_cache *pc; 1120 int actlen; 1121 1122 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1123 1124 switch (USB_GET_STATE(xfer)) { 1125 case USB_ST_TRANSFERRED: 1126 pc = usbd_xfer_get_frame(xfer, 0); 1127 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 1128 1129 case USB_ST_SETUP: 1130 tr_setup: 1131 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1132 usbd_transfer_submit(xfer); 1133 return; 1134 1135 default: /* Error */ 1136 if (error != USB_ERR_CANCELLED) { 1137 /* try to clear stall first */ 1138 usbd_xfer_set_stall(xfer); 1139 goto tr_setup; 1140 } 1141 return; 1142 } 1143 } 1144 1145 static void 1146 uplcom_poll(struct ucom_softc *ucom) 1147 { 1148 struct uplcom_softc *sc = ucom->sc_parent; 1149 usbd_transfer_poll(sc->sc_xfer, UPLCOM_N_TRANSFER); 1150 }
Cache object: eb9cda1340e0f880bececf4bd5a697ed
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