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sys/dev/usb/ufoma.c
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1 /* $NetBSD: umodem.c,v 1.45 2002/09/23 05:51:23 simonb Exp $ */ 2 3 4 #include <sys/cdefs.h> 5 __FBSDID("$FreeBSD: releng/7.3/sys/dev/usb/ufoma.c 171614 2007-07-27 12:00:29Z takawata $"); 6 /*- 7 * Copyright (c) 2005, Takanori Watanabe 8 * Copyright (c) 2003, M. Warner Losh <imp@freebsd.org>. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 /*- 34 * Copyright (c) 1998 The NetBSD Foundation, Inc. 35 * All rights reserved. 36 * 37 * This code is derived from software contributed to The NetBSD Foundation 38 * by Lennart Augustsson (lennart@augustsson.net) at 39 * Carlstedt Research & Technology. 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 * 3. All advertising materials mentioning features or use of this software 50 * must display the following acknowledgement: 51 * This product includes software developed by the NetBSD 52 * Foundation, Inc. and its contributors. 53 * 4. Neither the name of The NetBSD Foundation nor the names of its 54 * contributors may be used to endorse or promote products derived 55 * from this software without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 58 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 59 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 60 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 61 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 62 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 63 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 64 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 65 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 66 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 67 * POSSIBILITY OF SUCH DAMAGE. 68 */ 69 70 /* 71 * Comm Class spec: http://www.usb.org/developers/devclass_docs/usbccs10.pdf 72 * http://www.usb.org/developers/devclass_docs/usbcdc11.pdf 73 */ 74 75 /* 76 * TODO: 77 * - Add error recovery in various places; the big problem is what 78 * to do in a callback if there is an error. 79 * - Implement a Call Device for modems without multiplexed commands. 80 * 81 */ 82 83 #include <sys/param.h> 84 #include <sys/systm.h> 85 #include <sys/kernel.h> 86 #include <sys/module.h> 87 #include <sys/ioccom.h> 88 #include <sys/conf.h> 89 #include <sys/serial.h> 90 #include <sys/tty.h> 91 #include <sys/clist.h> 92 #include <sys/file.h> 93 #include <sys/select.h> 94 #include <sys/sysctl.h> 95 #include <sys/proc.h> 96 #include <sys/bus.h> 97 #include <sys/sbuf.h> 98 #include <sys/poll.h> 99 #include <sys/uio.h> 100 #include <sys/taskqueue.h> 101 102 #include <dev/usb/usb.h> 103 #include <dev/usb/usbcdc.h> 104 105 #include <dev/usb/usbdi.h> 106 #include <dev/usb/usbdi_util.h> 107 #include <dev/usb/usb_quirks.h> 108 109 #include <dev/usb/ucomvar.h> 110 111 #include "usbdevs.h" 112 113 typedef struct ufoma_mobile_acm_descriptor{ 114 uByte bFunctionLength; 115 uByte bDescriptorType; 116 uByte bDescriptorSubtype; 117 uByte bType; 118 uByte bMode[1]; 119 }usb_mcpc_acm_descriptor; 120 121 #define UISUBCLASS_MCPC 0x88 122 123 #define UDESC_VS_INTERFACE 0x44 124 #define UDESCSUB_MCPC_ACM 0x11 125 126 #define UMCPC_ACM_TYPE_AB1 0x1 127 #define UMCPC_ACM_TYPE_AB2 0x2 128 #define UMCPC_ACM_TYPE_AB5 0x5 129 #define UMCPC_ACM_TYPE_AB6 0x6 130 131 #define UMCPC_ACM_MODE_DEACTIVATED 0x0 132 #define UMCPC_ACM_MODE_MODEM 0x1 133 #define UMCPC_ACM_MODE_ATCOMMAND 0x2 134 #define UMCPC_ACM_MODE_OBEX 0x60 135 #define UMCPC_ACM_MODE_VENDOR1 0xc0 136 #define UMCPC_ACM_MODE_VENDOR2 0xfe 137 #define UMCPC_ACM_MODE_UNLINKED 0xff 138 139 #define UMCPC_CM_MOBILE_ACM 0x0 140 141 #define UMCPC_ACTIVATE_MODE 0x60 142 #define UMCPC_GET_MODETABLE 0x61 143 #define UMCPC_SET_LINK 0x62 144 #define UMCPC_CLEAR_LINK 0x63 145 146 #define UMCPC_REQUEST_ACKNOLEDGE 0x31 147 148 #define UFOMA_MAX_TIMEOUT 15 /*Standard says 10(sec)*/ 149 #define UFOMA_CMD_BUF_SIZE 64 150 151 #define UMODEMIBUFSIZE 64 152 #define UMODEMOBUFSIZE 256 153 #define DPRINTF(a) 154 155 struct ufoma_softc{ 156 struct ucom_softc sc_ucom; 157 int sc_is_ucom; 158 int sc_isopen; 159 160 struct mtx sc_mtx; 161 int sc_ctl_iface_no; 162 usbd_interface_handle sc_ctl_iface; 163 usbd_interface_handle sc_data_iface; 164 int sc_data_iface_no; 165 int sc_cm_cap; 166 int sc_acm_cap; 167 usb_cdc_line_state_t sc_line_state; /* current line state */ 168 u_char sc_dtr; /* current DTR state */ 169 u_char sc_rts; /* current RTS state */ 170 171 usbd_pipe_handle sc_notify_pipe; 172 usb_cdc_notification_t sc_notify_buf; 173 u_char sc_lsr; 174 u_char sc_msr; 175 176 struct task sc_task; 177 uByte *sc_modetable; 178 uByte sc_modetoactivate; 179 uByte sc_currentmode; 180 char sc_resbuffer[UFOMA_CMD_BUF_SIZE+1]; 181 int sc_cmdbp; 182 int sc_nummsg; 183 usbd_xfer_handle sc_msgxf; 184 }; 185 static usbd_status 186 ufoma_set_line_coding(struct ufoma_softc *sc, usb_cdc_line_state_t *state); 187 static device_probe_t ufoma_match; 188 static device_attach_t ufoma_attach; 189 static device_detach_t ufoma_detach; 190 static void *ufoma_get_intconf(usb_config_descriptor_t *cd, usb_interface_descriptor_t *id,int type, int subtype); 191 static void ufoma_notify(void * ,int count); 192 static void ufoma_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 193 static char *ufoma_mode_to_str(int); 194 static int ufoma_str_to_mode(char *); 195 196 /*Pseudo ucom stuff*/ 197 static int ufoma_init_pseudo_ucom(struct ufoma_softc *); 198 static t_open_t ufomaopen; 199 static t_close_t ufomaclose; 200 static t_oproc_t ufomastart; 201 202 /*umodem like stuff*/ 203 static int ufoma_init_modem(struct ufoma_softc *, struct usb_attach_arg *); 204 static void ufoma_get_status(void *, int portno, u_char *lst, u_char *msr); 205 static void ufoma_set(void *, int portno, int reg, int onoff); 206 static int ufoma_param(void *, int portno, struct termios *); 207 static int ufoma_ucom_open(void *, int portno); 208 static void ufoma_ucom_close(void *, int portno); 209 static void ufoma_break(struct ufoma_softc *sc, int onoff); 210 static void ufoma_dtr(struct ufoma_softc *sc, int onoff); 211 static void ufoma_rts(struct ufoma_softc *sc, int onoff); 212 213 /*sysctl stuff*/ 214 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS); 215 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS); 216 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS); 217 218 219 static struct ucom_callback ufoma_callback = { 220 ufoma_get_status, 221 ufoma_set, 222 ufoma_param, 223 NULL, 224 ufoma_ucom_open, 225 ufoma_ucom_close, 226 NULL, 227 NULL, 228 }; 229 230 231 static device_method_t ufoma_methods[] = { 232 /**/ 233 DEVMETHOD(device_probe, ufoma_match), 234 DEVMETHOD(device_attach, ufoma_attach), 235 DEVMETHOD(device_detach, ufoma_detach), 236 {0, 0} 237 }; 238 struct umcpc_modetostr_tab{ 239 int mode; 240 char *str; 241 }umcpc_modetostr_tab[]={ 242 {UMCPC_ACM_MODE_DEACTIVATED, "deactivated"}, 243 {UMCPC_ACM_MODE_MODEM, "modem"}, 244 {UMCPC_ACM_MODE_ATCOMMAND, "handsfree"}, 245 {UMCPC_ACM_MODE_OBEX, "obex"}, 246 {UMCPC_ACM_MODE_VENDOR1, "vendor1"}, 247 {UMCPC_ACM_MODE_VENDOR2, "vendor2"}, 248 {UMCPC_ACM_MODE_UNLINKED, "unlinked"}, 249 {0, NULL} 250 }; 251 252 static driver_t ufoma_driver = { 253 "ucom", 254 ufoma_methods, 255 sizeof(struct ufoma_softc) 256 }; 257 258 259 DRIVER_MODULE(ufoma, uhub, ufoma_driver, ucom_devclass, usbd_driver_load, 0); 260 MODULE_DEPEND(ufoma, usb, 1, 1, 1); 261 MODULE_DEPEND(ufoma, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER); 262 263 static int 264 ufoma_match(device_t self) 265 { 266 struct usb_attach_arg *uaa = device_get_ivars(self); 267 usb_interface_descriptor_t *id; 268 usb_config_descriptor_t *cd; 269 usb_mcpc_acm_descriptor *mad; 270 int ret; 271 272 ret = UMATCH_NONE; 273 274 if(uaa->iface == NULL) 275 return(UMATCH_NONE); 276 id = usbd_get_interface_descriptor(uaa->iface); 277 cd = usbd_get_config_descriptor(uaa->device); 278 279 if(id == NULL || cd == NULL) 280 return (UMATCH_NONE); 281 282 if( id->bInterfaceClass == UICLASS_CDC && 283 id->bInterfaceSubClass == UISUBCLASS_MCPC){ 284 ret = (UMATCH_IFACECLASS_IFACESUBCLASS); 285 }else{ 286 return UMATCH_NONE; 287 } 288 289 mad = ufoma_get_intconf(cd, id , UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM); 290 if(mad == NULL){ 291 return (UMATCH_NONE); 292 } 293 294 #if 0 295 if(mad->bType != UMCPC_ACM_TYPE_AB5){ 296 return UMATCH_NONE; 297 } 298 #endif 299 return ret; 300 } 301 302 static int 303 ufoma_attach(device_t self) 304 { 305 struct ufoma_softc *sc = device_get_softc(self); 306 struct usb_attach_arg *uaa = device_get_ivars(self); 307 usbd_device_handle dev = uaa->device; 308 usb_config_descriptor_t *cd; 309 usb_interface_descriptor_t *id; 310 usb_endpoint_descriptor_t *ed; 311 usb_mcpc_acm_descriptor *mad; 312 struct ucom_softc *ucom = &sc->sc_ucom; 313 const char *devname,*modename; 314 int ctl_notify; 315 int i,err; 316 int elements; 317 uByte *mode; 318 struct sysctl_ctx_list *sctx; 319 struct sysctl_oid *soid; 320 321 ucom->sc_dev = self; 322 ucom->sc_udev = dev; 323 sc->sc_ctl_iface = uaa->iface; 324 mtx_init(&sc->sc_mtx, "ufoma", NULL, MTX_DEF); 325 326 cd = usbd_get_config_descriptor(ucom->sc_udev); 327 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 328 sc->sc_ctl_iface_no = id->bInterfaceNumber; 329 330 devname = device_get_nameunit(self); 331 device_printf(self, "iclass %d/%d ifno:%d\n", 332 id->bInterfaceClass, id->bInterfaceSubClass, sc->sc_ctl_iface_no); 333 334 ctl_notify = -1; 335 for (i = 0; i < id->bNumEndpoints; i++) { 336 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 337 if (ed == NULL) 338 continue; 339 340 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 341 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 342 ctl_notify = ed->bEndpointAddress; 343 } 344 } 345 346 if(ctl_notify== -1){ 347 /*NOTIFY is mandatory.*/ 348 printf("NOTIFY interface not found\n"); 349 goto error; 350 } 351 352 err = usbd_open_pipe_intr(sc->sc_ctl_iface, ctl_notify, 353 USBD_SHORT_XFER_OK, &sc->sc_notify_pipe, sc, &sc->sc_notify_buf, 354 sizeof(sc->sc_notify_buf), ufoma_intr, USBD_DEFAULT_INTERVAL); 355 if(err){ 356 printf("PIPE open error %d\n", err); 357 goto error; 358 } 359 mad = ufoma_get_intconf(cd, id , UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM); 360 if(mad ==NULL){ 361 goto error; 362 } 363 364 printf("%s:Supported Mode:", devname); 365 for(mode = mad->bMode; 366 mode < ((uByte *)mad + mad->bFunctionLength); mode++){ 367 modename = ufoma_mode_to_str(*mode); 368 if(modename){ 369 printf("%s", ufoma_mode_to_str(*mode)); 370 }else{ 371 printf("(%x)", *mode); 372 } 373 if(mode != ((uByte*)mad + mad->bFunctionLength-1)){ 374 printf(","); 375 } 376 } 377 printf("\n"); 378 379 if((mad->bType == UMCPC_ACM_TYPE_AB5) 380 ||(mad->bType == UMCPC_ACM_TYPE_AB6)){ 381 /*These does not have data interface*/ 382 sc->sc_is_ucom = 0; 383 ufoma_init_pseudo_ucom(sc); 384 }else{ 385 if(ufoma_init_modem(sc, uaa)){ 386 goto error; 387 } 388 } 389 elements = mad->bFunctionLength - sizeof(*mad)+1; 390 391 sc->sc_msgxf = usbd_alloc_xfer(ucom->sc_udev); 392 sc->sc_nummsg = 0; 393 394 /*Initialize Mode vars.*/ 395 sc->sc_modetable = malloc(elements + 1, M_USBDEV, M_WAITOK); 396 sc->sc_modetable[0] = elements + 1; 397 bcopy(mad->bMode, &sc->sc_modetable[1], elements); 398 sc->sc_currentmode = UMCPC_ACM_MODE_UNLINKED; 399 sc->sc_modetoactivate = mad->bMode[0]; 400 /*Sysctls*/ 401 sctx = device_get_sysctl_ctx(self); 402 soid = device_get_sysctl_tree(self); 403 404 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "supportmode", 405 CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_support, 406 "A", "Supporting port role"); 407 408 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "currentmode", 409 CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_current, 410 "A", "Current port role"); 411 412 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "openmode", 413 CTLFLAG_RW|CTLTYPE_STRING, sc, 0, ufoma_sysctl_open, 414 "A", "Mode to transit when port is opened"); 415 return 0; 416 error: 417 if(sc->sc_modetable) 418 free(sc->sc_modetable, M_USBDEV); 419 return EIO; 420 } 421 422 static int 423 ufoma_detach(device_t self) 424 { 425 struct ufoma_softc *sc = device_get_softc(self); 426 int rv = 0; 427 428 usbd_free_xfer(sc->sc_msgxf); 429 sc->sc_ucom.sc_dying = 1; 430 usbd_abort_pipe(sc->sc_notify_pipe); 431 usbd_close_pipe(sc->sc_notify_pipe); 432 if(sc->sc_is_ucom) 433 ucom_detach(&sc->sc_ucom); 434 else 435 ttyfree(sc->sc_ucom.sc_tty); 436 free(sc->sc_modetable, M_USBDEV); 437 return rv; 438 } 439 440 441 static char *ufoma_mode_to_str(int mode) 442 { 443 int i; 444 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){ 445 if(umcpc_modetostr_tab[i].mode == mode){ 446 return umcpc_modetostr_tab[i].str; 447 } 448 } 449 return NULL; 450 } 451 452 static int ufoma_str_to_mode(char *str) 453 { 454 int i; 455 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){ 456 if(strcmp(str, umcpc_modetostr_tab[i].str)==0){ 457 return umcpc_modetostr_tab[i].mode; 458 } 459 } 460 return -1; 461 } 462 463 static void *ufoma_get_intconf( usb_config_descriptor_t *cd, 464 usb_interface_descriptor_t *id, int type, int subtype) 465 { 466 uByte *p, *end; 467 usb_descriptor_t *ud=NULL; 468 int flag=0; 469 470 471 for(p = (uByte *)cd,end = p + UGETW(cd->wTotalLength); p < end; 472 p += ud->bLength){ 473 ud = (usb_descriptor_t *)p; 474 if(flag && ud->bDescriptorType==UDESC_INTERFACE){ 475 return NULL; 476 } 477 /*Read through this interface desc.*/ 478 if(bcmp(p, id, sizeof(*id))==0){ 479 flag=1; 480 continue; 481 } 482 if(flag==0) 483 continue; 484 if(ud->bDescriptorType == type 485 && ud->bDescriptorSubtype == subtype){ 486 break; 487 } 488 } 489 return ud; 490 } 491 492 493 494 static int ufoma_link_state(struct ufoma_softc *sc) 495 { 496 usb_device_request_t req; 497 struct ucom_softc *ucom = &sc->sc_ucom; 498 int err; 499 500 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 501 req.bRequest = UMCPC_SET_LINK; 502 USETW(req.wValue, UMCPC_CM_MOBILE_ACM); 503 USETW(req.wIndex, sc->sc_ctl_iface_no); 504 USETW(req.wLength, sc->sc_modetable[0]); 505 err = usbd_do_request(ucom->sc_udev, &req, sc->sc_modetable); 506 if(err){ 507 printf("SET_LINK:%d\n", err); 508 return EIO; 509 } 510 err = tsleep(&sc->sc_currentmode, PZERO|PCATCH, "fmalnk", hz); 511 if(err){ 512 printf("NO response"); 513 return EIO; 514 } 515 if(sc->sc_currentmode != UMCPC_ACM_MODE_DEACTIVATED){ 516 return EIO; 517 } 518 return 0; 519 } 520 521 static int ufoma_activate_state(struct ufoma_softc *sc, int state) 522 { 523 usb_device_request_t req; 524 int err; 525 struct ucom_softc *ucom = &sc->sc_ucom; 526 527 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 528 req.bRequest = UMCPC_ACTIVATE_MODE; 529 USETW(req.wValue, state); 530 USETW(req.wIndex, sc->sc_ctl_iface_no); 531 USETW(req.wLength, 0); 532 533 err = usbd_do_request(ucom->sc_udev, &req, NULL); 534 if(err){ 535 printf("%s:ACTIVATE:%s\n", device_get_nameunit(ucom->sc_dev), usbd_errstr(err)); 536 return EIO; 537 } 538 539 err = tsleep(&sc->sc_currentmode, PZERO|PCATCH, "fmaact", UFOMA_MAX_TIMEOUT*hz); 540 if(err){ 541 printf("%s:NO response", device_get_nameunit(ucom->sc_dev)); 542 return EIO; 543 } 544 if(sc->sc_currentmode != state){ 545 return EIO; 546 } 547 return 0; 548 } 549 550 551 static inline void ufoma_setup_msg_req(struct ufoma_softc *sc, usb_device_request_t *req) 552 { 553 req->bmRequestType = UT_READ_CLASS_INTERFACE; 554 req->bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 555 USETW(req->wIndex, sc->sc_ctl_iface_no); 556 USETW(req->wValue, 0); 557 USETW(req->wLength, UFOMA_CMD_BUF_SIZE); 558 } 559 560 561 static void ufoma_msg(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 562 { 563 usb_device_request_t req; 564 struct ufoma_softc *sc = priv; 565 int actlen,i; 566 struct ucom_softc *ucom= &sc->sc_ucom; 567 usbd_get_xfer_status(xfer, NULL, NULL, &actlen ,NULL); 568 ufoma_setup_msg_req(sc, &req); 569 mtx_lock(&sc->sc_mtx); 570 for(i = 0;i < actlen; i++){ 571 if(sc->sc_ucom.sc_tty->t_state & TS_ISOPEN) 572 ttyld_rint(sc->sc_ucom.sc_tty, sc->sc_resbuffer[i]); 573 } 574 sc->sc_nummsg--; 575 if(sc->sc_nummsg){ 576 usbd_setup_default_xfer(sc->sc_msgxf, ucom->sc_udev, 577 priv, USBD_DEFAULT_TIMEOUT, &req, 578 sc->sc_resbuffer, 579 UFOMA_CMD_BUF_SIZE, 580 0, ufoma_msg); 581 usbd_transfer(sc->sc_msgxf); 582 } 583 mtx_unlock(&sc->sc_mtx); 584 585 } 586 587 static void ufoma_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 588 { 589 struct ufoma_softc *sc = priv; 590 unsigned int a; 591 struct ucom_softc *ucom =&sc->sc_ucom; 592 usb_device_request_t req; 593 ufoma_setup_msg_req(sc, &req); 594 u_char mstatus; 595 596 if (sc->sc_ucom.sc_dying) 597 return; 598 599 if (status != USBD_NORMAL_COMPLETION) { 600 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 601 return; 602 printf("%s: abnormal status: %s\n", device_get_nameunit(ucom->sc_dev), 603 usbd_errstr(status)); 604 return; 605 } 606 if((sc->sc_notify_buf.bmRequestType == UT_READ_VENDOR_INTERFACE)&& 607 (sc->sc_notify_buf.bNotification == UMCPC_REQUEST_ACKNOLEDGE)){ 608 a = UGETW(sc->sc_notify_buf.wValue); 609 sc->sc_currentmode = a>>8; 610 if(!(a&0xff)){ 611 printf("%s:Mode change Failed\n", device_get_nameunit(ucom->sc_dev)); 612 } 613 wakeup(&sc->sc_currentmode); 614 } 615 if(sc->sc_notify_buf.bmRequestType != UCDC_NOTIFICATION){ 616 return; 617 } 618 switch(sc->sc_notify_buf.bNotification){ 619 case UCDC_N_RESPONSE_AVAILABLE: 620 if(sc->sc_is_ucom){ 621 printf("%s:wrong response request?\n", device_get_nameunit(ucom->sc_dev)); 622 break; 623 } 624 mtx_lock(&sc->sc_mtx); 625 if(!sc->sc_nummsg){ 626 usbd_setup_default_xfer(sc->sc_msgxf, ucom->sc_udev, 627 priv, USBD_DEFAULT_TIMEOUT, &req, sc->sc_resbuffer, 628 UFOMA_CMD_BUF_SIZE, 629 0, ufoma_msg); 630 usbd_transfer(sc->sc_msgxf); 631 } 632 sc->sc_nummsg++; 633 mtx_unlock(&sc->sc_mtx); 634 break; 635 case UCDC_N_SERIAL_STATE: 636 if(!sc->sc_is_ucom){ 637 printf("%s:wrong sereal request?\n",device_get_nameunit(ucom->sc_dev)); 638 break; 639 } 640 641 /* 642 * Set the serial state in ucom driver based on 643 * the bits from the notify message 644 */ 645 if (UGETW(sc->sc_notify_buf.wLength) != 2) { 646 printf("%s: Invalid notification length! (%d)\n", 647 device_get_nameunit(ucom->sc_dev), 648 UGETW(sc->sc_notify_buf.wLength)); 649 break; 650 } 651 DPRINTF(("%s: notify bytes = %02x%02x\n", 652 device_get_nameunit(ucom->sc_dev), 653 sc->sc_notify_buf.data[0], 654 sc->sc_notify_buf.data[1])); 655 /* Currently, lsr is always zero. */ 656 sc->sc_lsr = sc->sc_msr = 0; 657 mstatus = sc->sc_notify_buf.data[0]; 658 659 if (ISSET(mstatus, UCDC_N_SERIAL_RI)) 660 sc->sc_msr |= SER_RI; 661 if (ISSET(mstatus, UCDC_N_SERIAL_DSR)) 662 sc->sc_msr |= SER_DSR; 663 if (ISSET(mstatus, UCDC_N_SERIAL_DCD)) 664 sc->sc_msr |= SER_DCD; 665 /* Deferred notifying to the ucom layer */ 666 taskqueue_enqueue(taskqueue_swi_giant, &sc->sc_task); 667 break; 668 default: 669 break; 670 } 671 } 672 673 static int ufoma_init_pseudo_ucom(struct ufoma_softc *sc) 674 { 675 struct tty *tp; 676 struct ucom_softc *ucom = &sc->sc_ucom; 677 tp = ucom->sc_tty = ttyalloc(); 678 tp->t_sc = sc; 679 tp->t_oproc = ufomastart; 680 tp->t_stop = nottystop; 681 tp->t_open = ufomaopen; 682 tp->t_close = ufomaclose; 683 ttycreate(tp, TS_CALLOUT, "U%d", device_get_unit(ucom->sc_dev)); 684 685 return 0; 686 } 687 688 689 static int ufomaopen(struct tty * tty, struct cdev *cdev) 690 { 691 692 struct ufoma_softc *sc = tty->t_sc; 693 694 if(sc->sc_ucom.sc_dying) 695 return (ENXIO); 696 697 mtx_lock(&sc->sc_mtx); 698 if(sc->sc_isopen){ 699 mtx_unlock(&sc->sc_mtx); 700 return EBUSY; 701 } 702 mtx_unlock(&sc->sc_mtx); 703 704 return ufoma_ucom_open(sc, 0); 705 } 706 707 static void ufomaclose(struct tty *tty) 708 { 709 struct ufoma_softc *sc = tty->t_sc; 710 ufoma_ucom_close(sc, 0); 711 } 712 713 static void ufomastart(struct tty *tp) 714 { 715 struct ufoma_softc *sc = tp->t_sc; 716 struct ucom_softc *ucom = &sc->sc_ucom; 717 usb_device_request_t req; 718 int x; 719 uByte c; 720 x = spltty(); 721 if(tp->t_state & (TS_TIMEOUT | TS_TTSTOP)){ 722 ttwwakeup(tp); 723 return; 724 } 725 726 tp->t_state |= TS_BUSY; 727 while(tp->t_outq.c_cc != 0){ 728 c = getc(&tp->t_outq); 729 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 730 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 731 USETW(req.wIndex, sc->sc_ctl_iface_no); 732 USETW(req.wValue, 0); 733 USETW(req.wLength, 1); 734 usbd_do_request(ucom->sc_udev, &req, &c); 735 } 736 tp->t_state &= ~TS_BUSY; 737 ttwwakeup(tp); 738 splx(x); 739 } 740 741 static int ufoma_ucom_open(void *p, int portno) 742 { 743 struct ufoma_softc *sc = p; 744 if(sc->sc_currentmode == UMCPC_ACM_MODE_UNLINKED){ 745 ufoma_link_state(sc); 746 } 747 sc->sc_cmdbp = 0; 748 if(sc->sc_currentmode == UMCPC_ACM_MODE_DEACTIVATED){ 749 ufoma_activate_state(sc, sc->sc_modetoactivate); 750 } 751 752 return 0; 753 } 754 755 static void ufoma_ucom_close(void *p, int portno) 756 { 757 struct ufoma_softc *sc = p; 758 ufoma_activate_state(sc, UMCPC_ACM_MODE_DEACTIVATED); 759 return ; 760 } 761 762 void 763 ufoma_break(struct ufoma_softc *sc, int onoff) 764 { 765 usb_device_request_t req; 766 struct ucom_softc *ucom = &sc->sc_ucom; 767 DPRINTF(("ufoma_break: onoff=%d\n", onoff)); 768 769 if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK)) 770 return; 771 772 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 773 req.bRequest = UCDC_SEND_BREAK; 774 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 775 USETW(req.wIndex, sc->sc_ctl_iface_no); 776 USETW(req.wLength, 0); 777 778 (void)usbd_do_request(ucom->sc_udev, &req, 0); 779 } 780 781 void 782 ufoma_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 783 { 784 struct ufoma_softc *sc = addr; 785 786 if (lsr != NULL) 787 *lsr = sc->sc_lsr; 788 if (msr != NULL) 789 *msr = sc->sc_msr; 790 } 791 792 static void ufoma_set(void * addr, int portno, int reg, int onoff) 793 { 794 struct ufoma_softc *sc = addr; 795 796 switch (reg) { 797 case UCOM_SET_DTR: 798 ufoma_dtr(sc, onoff); 799 break; 800 case UCOM_SET_RTS: 801 ufoma_rts(sc, onoff); 802 break; 803 case UCOM_SET_BREAK: 804 ufoma_break(sc, onoff); 805 break; 806 default: 807 break; 808 } 809 810 } 811 812 static void 813 ufoma_set_line_state(struct ufoma_softc *sc) 814 { 815 usb_device_request_t req; 816 struct ucom_softc *ucom = &sc->sc_ucom; 817 int ls; 818 819 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 820 (sc->sc_rts ? UCDC_LINE_RTS : 0); 821 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 822 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 823 USETW(req.wValue, ls); 824 USETW(req.wIndex, sc->sc_ctl_iface_no); 825 USETW(req.wLength, 0); 826 827 (void)usbd_do_request(ucom->sc_udev, &req, 0); 828 829 } 830 831 void 832 ufoma_dtr(struct ufoma_softc *sc, int onoff) 833 { 834 DPRINTF(("ufoma_foma: onoff=%d\n", onoff)); 835 836 if (sc->sc_dtr == onoff) 837 return; 838 sc->sc_dtr = onoff; 839 840 ufoma_set_line_state(sc); 841 } 842 843 void 844 ufoma_rts(struct ufoma_softc *sc, int onoff) 845 { 846 DPRINTF(("ufoma_foma: onoff=%d\n", onoff)); 847 848 if (sc->sc_rts == onoff) 849 return; 850 sc->sc_rts = onoff; 851 852 ufoma_set_line_state(sc); 853 } 854 855 usbd_status 856 ufoma_set_line_coding(struct ufoma_softc *sc, usb_cdc_line_state_t *state) 857 { 858 859 usbd_status err; 860 usb_device_request_t req; 861 struct ucom_softc *ucom = &sc->sc_ucom; 862 863 DPRINTF(("ufoma_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 864 UGETDW(state->dwDTERate), state->bCharFormat, 865 state->bParityType, state->bDataBits)); 866 867 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 868 DPRINTF(("ufoma_set_line_coding: already set\n")); 869 return (USBD_NORMAL_COMPLETION); 870 } 871 872 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 873 req.bRequest = UCDC_SET_LINE_CODING; 874 USETW(req.wValue, 0); 875 USETW(req.wIndex, sc->sc_ctl_iface_no); 876 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 877 878 err = usbd_do_request(ucom->sc_udev, &req, state); 879 if (err) { 880 DPRINTF(("ufoma_set_line_coding: failed, err=%s\n", 881 usbd_errstr(err))); 882 return (err); 883 } 884 885 sc->sc_line_state = *state; 886 887 return (USBD_NORMAL_COMPLETION); 888 } 889 890 static int 891 ufoma_param(void *addr, int portno, struct termios *t) 892 { 893 894 struct ufoma_softc *sc = addr; 895 usbd_status err; 896 usb_cdc_line_state_t ls; 897 898 DPRINTF(("ufoma_param: sc=%p\n", sc)); 899 900 USETDW(ls.dwDTERate, t->c_ospeed); 901 if (ISSET(t->c_cflag, CSTOPB)) 902 ls.bCharFormat = UCDC_STOP_BIT_2; 903 else 904 ls.bCharFormat = UCDC_STOP_BIT_1; 905 if (ISSET(t->c_cflag, PARENB)) { 906 if (ISSET(t->c_cflag, PARODD)) 907 ls.bParityType = UCDC_PARITY_ODD; 908 else 909 ls.bParityType = UCDC_PARITY_EVEN; 910 } else 911 ls.bParityType = UCDC_PARITY_NONE; 912 switch (ISSET(t->c_cflag, CSIZE)) { 913 case CS5: 914 ls.bDataBits = 5; 915 break; 916 case CS6: 917 ls.bDataBits = 6; 918 break; 919 case CS7: 920 ls.bDataBits = 7; 921 break; 922 case CS8: 923 ls.bDataBits = 8; 924 break; 925 } 926 927 err = ufoma_set_line_coding(sc, &ls); 928 if (err) { 929 DPRINTF(("ufoma_param: err=%s\n", usbd_errstr(err))); 930 return (ENOTTY); 931 } 932 933 return (0); 934 } 935 936 static int ufoma_init_modem(struct ufoma_softc *sc,struct usb_attach_arg *uaa) 937 { 938 struct ucom_softc *ucom = &sc->sc_ucom; 939 usb_config_descriptor_t *cd; 940 usb_cdc_acm_descriptor_t *acm; 941 usb_cdc_cm_descriptor_t *cmd; 942 usb_endpoint_descriptor_t *ed; 943 usb_interface_descriptor_t *id; 944 const char *devname = device_get_nameunit(ucom->sc_dev); 945 int i; 946 cd = usbd_get_config_descriptor(ucom->sc_udev); 947 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 948 949 sc->sc_is_ucom = 1; 950 951 cmd = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM); 952 if(cmd == NULL) 953 return -1; 954 sc->sc_cm_cap = cmd->bmCapabilities; 955 956 acm = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM); 957 if(acm == NULL) 958 return -1; 959 sc->sc_acm_cap = acm->bmCapabilities; 960 961 sc->sc_data_iface_no = cmd->bDataInterface; 962 printf("%s: data interface %d, has %sCM over data, has %sbreak\n", 963 devname, sc->sc_data_iface_no, 964 sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ", 965 sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no "); 966 967 for(i = 0; i < uaa->nifaces; i++){ 968 if(!uaa->ifaces[i]) 969 continue; 970 id = usbd_get_interface_descriptor(uaa->ifaces[i]); 971 if(id != NULL && 972 id->bInterfaceNumber == sc->sc_data_iface_no){ 973 sc->sc_data_iface = uaa->ifaces[i]; 974 //uaa->ifaces[i] = NULL; 975 } 976 } 977 978 ucom->sc_iface = sc->sc_data_iface; 979 ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1; 980 id = usbd_get_interface_descriptor(sc->sc_data_iface); 981 for(i = 0 ; i < id->bNumEndpoints; i++){ 982 ed = usbd_interface2endpoint_descriptor(sc->sc_data_iface, i); 983 if(ed == NULL){ 984 printf("%s: endpoint descriptor for %d\n", 985 devname,i); 986 return -1; 987 } 988 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 989 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 990 ucom->sc_bulkin_no = ed->bEndpointAddress; 991 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 992 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 993 ucom->sc_bulkout_no = ed->bEndpointAddress; 994 } 995 } 996 997 if (ucom->sc_bulkin_no == -1) { 998 printf("%s: Could not find data bulk in\n", devname); 999 return -1; 1000 } 1001 if (ucom->sc_bulkout_no == -1) { 1002 printf("%s: Could not find data bulk out\n", devname); 1003 return -1; 1004 } 1005 1006 sc->sc_dtr = -1; 1007 1008 ucom->sc_parent = sc; 1009 ucom->sc_portno = UCOM_UNK_PORTNO; 1010 /* bulkin, bulkout set above */ 1011 ucom->sc_ibufsize = UMODEMIBUFSIZE; 1012 ucom->sc_obufsize = UMODEMOBUFSIZE; 1013 ucom->sc_ibufsizepad = UMODEMIBUFSIZE; 1014 ucom->sc_opkthdrlen = 0; 1015 ucom->sc_callback = &ufoma_callback; 1016 TASK_INIT(&sc->sc_task, 0, ufoma_notify, sc); 1017 ucom_attach(&sc->sc_ucom); 1018 1019 return 0; 1020 } 1021 1022 static void 1023 ufoma_notify(void *arg, int count) 1024 { 1025 struct ufoma_softc *sc; 1026 1027 sc = (struct ufoma_softc *)arg; 1028 if (sc->sc_ucom.sc_dying) 1029 return; 1030 ucom_status_change(&sc->sc_ucom); 1031 } 1032 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS) 1033 { 1034 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1035 struct sbuf sb; 1036 int i; 1037 char *mode; 1038 1039 sbuf_new(&sb, NULL, 1, SBUF_AUTOEXTEND); 1040 for(i = 1; i < sc->sc_modetable[0]; i++){ 1041 mode = ufoma_mode_to_str(sc->sc_modetable[i]); 1042 if(mode !=NULL){ 1043 sbuf_cat(&sb, mode); 1044 }else{ 1045 sbuf_printf(&sb, "(%02x)", sc->sc_modetable[i]); 1046 } 1047 if(i < (sc->sc_modetable[0]-1)) 1048 sbuf_cat(&sb, ","); 1049 } 1050 sbuf_trim(&sb); 1051 sbuf_finish(&sb); 1052 sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req); 1053 sbuf_delete(&sb); 1054 1055 return 0; 1056 } 1057 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS) 1058 { 1059 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1060 char *mode; 1061 char subbuf[]="(XXX)"; 1062 mode = ufoma_mode_to_str(sc->sc_currentmode); 1063 if(!mode){ 1064 mode = subbuf; 1065 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_currentmode); 1066 } 1067 sysctl_handle_string(oidp, mode, strlen(mode), req); 1068 1069 return 0; 1070 1071 } 1072 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS) 1073 { 1074 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1075 char *mode; 1076 char subbuf[40]; 1077 int newmode; 1078 int error; 1079 int i; 1080 1081 mode = ufoma_mode_to_str(sc->sc_modetoactivate); 1082 if(mode){ 1083 strncpy(subbuf, mode, sizeof(subbuf)); 1084 }else{ 1085 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_modetoactivate); 1086 } 1087 error = sysctl_handle_string(oidp, subbuf, sizeof(subbuf), req); 1088 if(error != 0 || req->newptr == NULL){ 1089 return error; 1090 } 1091 1092 if((newmode = ufoma_str_to_mode(subbuf)) == -1){ 1093 return EINVAL; 1094 } 1095 1096 for(i = 1 ; i < sc->sc_modetable[0] ; i++){ 1097 if(sc->sc_modetable[i] == newmode){ 1098 sc->sc_modetoactivate = newmode; 1099 return 0; 1100 } 1101 } 1102 1103 return EINVAL; 1104 }
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