uplcom.c revision 1.1
1 /* $NetBSD: uplcom.c,v 1.1 2001/01/23 01:24:10 ichiro Exp $ */ 2 #define UPLCOM_DEBUG 3 /* 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by FUKUHARA ichiro (ichiro (at) ichiro.org). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 */ 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/kernel.h> 45 #include <sys/ioctl.h> 46 #include <sys/conf.h> 47 #include <sys/tty.h> 48 #include <sys/file.h> 49 #include <sys/select.h> 50 #include <sys/proc.h> 51 #include <sys/vnode.h> 52 #include <sys/device.h> 53 #include <sys/poll.h> 54 55 #include <dev/usb/usb.h> 56 #include <dev/usb/usbcdc.h> 57 58 #include <dev/usb/usbdi.h> 59 #include <dev/usb/usbdi_util.h> 60 #include <dev/usb/usbdevs.h> 61 #include <dev/usb/usb_quirks.h> 62 63 #include <dev/usb/usbdevs.h> 64 #include <dev/usb/ucomvar.h> 65 66 #ifdef UPLCOM_DEBUG 67 #define DPRINTFN(n, x) if (uplcomdebug > (n)) logprintf x 68 int uplcomdebug = 0xff; 69 #else 70 #define DPRINTFN(n, x) 71 #endif 72 #define DPRINTF(x) DPRINTFN(0, x) 73 74 #define UPLCOM_CONFIG_INDEX 0 75 #define UPLCOM_IFACE_INDEX 0 76 #define UPLCOM_RESET 0 77 78 struct uplcom_softc { 79 USBBASEDEVICE sc_dev; /* base device */ 80 usbd_device_handle sc_udev; /* USB device */ 81 usbd_interface_handle sc_iface; /* interface */ 82 int sc_iface_number; /* interface number */ 83 84 usb_cdc_line_state_t sc_line_state; /* current line state */ 85 u_char sc_dtr; /* current DTR state */ 86 u_char sc_rts; /* current RTS state */ 87 88 device_ptr_t sc_subdev; 89 90 u_char sc_dying; 91 }; 92 93 /* 94 * These are the maximum number of bytes transferred per frame. 95 * The output buffer size cannot be increased due to the size encoding. 96 */ 97 #define UPLCOMIBUFSIZE 64; 98 #define UPLCOMOBUFSIZE 64; 99 100 Static usbd_status uplcom_init(struct uplcom_softc *); 101 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc, 102 usb_cdc_line_state_t *state); 103 104 Static void uplcom_set(void *, int, int, int); 105 Static void uplcom_dtr(struct uplcom_softc *, int); 106 Static void uplcom_rts(struct uplcom_softc *, int); 107 #if 0 108 Static void uplcom_break(struct uplcom_softc *, int); 109 #endif 110 Static void uplcom_set_line_state(struct uplcom_softc *); 111 Static int uplcom_param(void *, int, struct termios *); 112 113 struct ucom_methods uplcom_methods = { 114 NULL, 115 uplcom_set, 116 uplcom_param, 117 NULL, 118 NULL, 119 NULL, 120 NULL, 121 NULL, 122 }; 123 124 static const struct uplcom_product { 125 uint16_t vendor; 126 uint16_t product; 127 } uplcom_products [] = { 128 /* I/O DATA USB-RSAQ2 */ 129 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 }, 130 131 { 0, 0 } 132 }; 133 134 USB_DECLARE_DRIVER(uplcom); 135 136 USB_MATCH(uplcom) 137 { 138 USB_MATCH_START(uplcom, uaa); 139 int i; 140 141 142 if (uaa->iface == NULL) 143 return (UMATCH_NONE); 144 145 for (i = 0; uplcom_products[i].vendor != 0; i++) { 146 if (uplcom_products[i].vendor == uaa->vendor && 147 uplcom_products[i].product == uaa->product) { 148 return (UMATCH_VENDOR_PRODUCT); 149 } 150 } 151 return (UMATCH_NONE); 152 } 153 154 USB_ATTACH(uplcom) 155 { 156 USB_ATTACH_START(uplcom, sc, uaa); 157 usbd_device_handle dev = uaa->device; 158 usbd_interface_handle iface; 159 usb_interface_descriptor_t *id; 160 usb_endpoint_descriptor_t *ed; 161 162 char devinfo[1024]; 163 char *devname = USBDEVNAME(sc->sc_dev); 164 usbd_status err; 165 int i; 166 struct ucom_attach_args uca; 167 168 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc)); 169 170 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1); 171 if (err) { 172 printf("\n%s: failed to set configuration, err=%s\n", 173 devname, usbd_errstr(err)); 174 USB_ATTACH_ERROR_RETURN; 175 } 176 177 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX, &iface); 178 if (err) { 179 printf("\n%s: failed to get interface, err=%s\n", 180 devname, usbd_errstr(err)); 181 USB_ATTACH_ERROR_RETURN; 182 } 183 184 usbd_devinfo(dev, 0, devinfo); 185 USB_ATTACH_SETUP; 186 printf("%s: %s\n", devname, devinfo); 187 188 id = usbd_get_interface_descriptor(iface); 189 190 sc->sc_udev = dev; 191 sc->sc_iface = iface; 192 193 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 194 devinfo, id->bInterfaceClass, id->bInterfaceSubClass); 195 sc->sc_iface_number = id->bInterfaceNumber; 196 197 uca.bulkin = uca.bulkout = -1; 198 for (i = 0; i < id->bNumEndpoints; i++) { 199 ed = usbd_interface2endpoint_descriptor(iface, i); 200 if (ed == NULL) { 201 printf("%s: no endpoint descriptor for %d\n", 202 USBDEVNAME(sc->sc_dev), i); 203 USB_ATTACH_ERROR_RETURN; 204 } 205 206 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 207 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 208 uca.bulkin = ed->bEndpointAddress; 209 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 210 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 211 DPRINTF(("interrupu endpoint addr = 0x%x\n", ed->bEndpointAddress)); 212 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 213 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 214 uca.bulkout = ed->bEndpointAddress; 215 } 216 } 217 218 if (uca.bulkin == -1) { 219 printf("%s: Could not find data bulk in\n", 220 USBDEVNAME(sc->sc_dev)); 221 USB_ATTACH_ERROR_RETURN; 222 } 223 224 if (uca.bulkout == -1) { 225 printf("%s: Could not find data bulk out\n", 226 USBDEVNAME(sc->sc_dev)); 227 USB_ATTACH_ERROR_RETURN; 228 } 229 230 sc->sc_dtr = -1; 231 uca.portno = UCOM_UNK_PORTNO; 232 /* bulkin, bulkout set above */ 233 uca.ibufsize = UPLCOMIBUFSIZE; 234 uca.obufsize = UPLCOMOBUFSIZE; 235 uca.ibufsizepad = UPLCOMIBUFSIZE; 236 uca.opkthdrlen = 1; 237 uca.device = dev; 238 uca.iface = iface; 239 uca.methods = &uplcom_methods; 240 uca.arg = sc; 241 242 err = uplcom_init(sc); 243 if (err) { 244 printf("%s: init failed, %s\n", USBDEVNAME(sc->sc_dev), 245 usbd_errstr(err)); 246 USB_ATTACH_ERROR_RETURN; 247 } 248 249 DPRINTF(("uplcom: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout)); 250 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); 251 252 USB_ATTACH_SUCCESS_RETURN; 253 } 254 255 USB_DETACH(uplcom) 256 { 257 USB_DETACH_START(uplcom, sc); 258 int rv = 0; 259 260 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags)); 261 sc->sc_dying = 1; 262 if (sc->sc_subdev != NULL) 263 rv = config_detach(sc->sc_subdev, flags); 264 265 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 266 USBDEV(sc->sc_dev)); 267 268 return (rv); 269 } 270 271 int 272 uplcom_activate(device_ptr_t self, enum devact act) 273 { 274 struct uplcom_softc *sc = (struct uplcom_softc *)self; 275 int rv = 0; 276 277 switch (act) { 278 case DVACT_ACTIVATE: 279 return (EOPNOTSUPP); 280 break; 281 282 case DVACT_DEACTIVATE: 283 if (sc->sc_subdev != NULL) 284 rv = config_deactivate(sc->sc_subdev); 285 sc->sc_dying = 1; 286 break; 287 } 288 return (rv); 289 } 290 291 292 usbd_status 293 uplcom_init(struct uplcom_softc *sc) 294 { 295 usb_device_request_t req; 296 usbd_status err; 297 298 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 299 req.bRequest = UPLCOM_RESET; 300 USETW(req.wValue, UPLCOM_RESET); 301 USETW(req.wIndex, sc->sc_iface_number); 302 USETW(req.wLength, 0); 303 304 err = usbd_do_request(sc->sc_udev, &req, 0); 305 if (err) 306 return (EIO); 307 308 return (0); 309 } 310 311 void 312 uplcom_set_line_state(struct uplcom_softc *sc) 313 { 314 usb_device_request_t req; 315 int ls; 316 317 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 318 (sc->sc_rts ? UCDC_LINE_RTS : 0); 319 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 320 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 321 USETW(req.wValue, ls); 322 USETW(req.wIndex, sc->sc_iface_number); 323 USETW(req.wLength, 0); 324 325 (void)usbd_do_request(sc->sc_udev, &req, 0); 326 327 } 328 329 void 330 uplcom_set(void *addr, int portno, int reg, int onoff) 331 { 332 struct uplcom_softc *sc = addr; 333 334 switch (reg) { 335 case UCOM_SET_DTR: 336 uplcom_dtr(sc, onoff); 337 break; 338 case UCOM_SET_RTS: 339 uplcom_rts(sc, onoff); 340 break; 341 case UCOM_SET_BREAK: 342 #if 0 343 uplcom_break(sc, onoff); 344 #endif 345 break; 346 default: 347 break; 348 } 349 } 350 351 void 352 uplcom_dtr(struct uplcom_softc *sc, int onoff) 353 { 354 355 DPRINTF(("uplcom: onoff=%d\n", onoff)); 356 357 if (sc->sc_dtr == onoff) 358 return; 359 sc->sc_dtr = onoff; 360 361 uplcom_set_line_state(sc); 362 } 363 364 void 365 uplcom_rts(struct uplcom_softc *sc, int onoff) 366 { 367 368 DPRINTF(("uplcom_rts: onoff=%d\n", onoff)); 369 370 if (sc->sc_rts == onoff) 371 return; 372 sc->sc_rts = onoff; 373 374 uplcom_set_line_state(sc); 375 } 376 377 usbd_status 378 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state) 379 { 380 usb_device_request_t req; 381 usbd_status err; 382 383 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 384 UGETDW(state->dwDTERate), state->bCharFormat, 385 state->bParityType, state->bDataBits)); 386 387 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 388 DPRINTF(("uplcom_set_line_coding: already set\n")); 389 return (USBD_NORMAL_COMPLETION); 390 } 391 392 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 393 req.bRequest = UCDC_SET_LINE_CODING; 394 USETW(req.wValue, 0); 395 USETW(req.wIndex, sc->sc_iface_number); 396 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 397 398 err = usbd_do_request(sc->sc_udev, &req, state); 399 if (err) { 400 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n", 401 usbd_errstr(err))); 402 return (err); 403 } 404 405 sc->sc_line_state = *state; 406 407 return (USBD_NORMAL_COMPLETION); 408 } 409 410 int 411 uplcom_param(void *addr, int portno, struct termios *t) 412 { 413 struct uplcom_softc *sc = addr; 414 usbd_status err; 415 usb_cdc_line_state_t ls; 416 417 DPRINTF(("uplcom_param: sc=%p\n", sc)); 418 419 USETDW(ls.dwDTERate, t->c_ospeed); 420 if (ISSET(t->c_cflag, CSTOPB)) 421 ls.bCharFormat = UCDC_STOP_BIT_2; 422 else 423 ls.bCharFormat = UCDC_STOP_BIT_1; 424 if (ISSET(t->c_cflag, PARENB)) { 425 if (ISSET(t->c_cflag, PARODD)) 426 ls.bParityType = UCDC_PARITY_ODD; 427 else 428 ls.bParityType = UCDC_PARITY_EVEN; 429 } else 430 ls.bParityType = UCDC_PARITY_NONE; 431 switch (ISSET(t->c_cflag, CSIZE)) { 432 case CS5: 433 ls.bDataBits = 5; 434 break; 435 case CS6: 436 ls.bDataBits = 6; 437 break; 438 case CS7: 439 ls.bDataBits = 7; 440 break; 441 case CS8: 442 ls.bDataBits = 8; 443 break; 444 } 445 446 err = uplcom_set_line_coding(sc, &ls); 447 if (err) { 448 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err))); 449 return (EIO); 450 } 451 return (0); 452 } 453
Indexes created Sun Sep 28 07:09:56 GMT 2025