usscanner.c revision 1.17
1 /* $NetBSD: usscanner.c,v 1.17 2005/05/11 10:02:29 augustss Exp $ */ 2 3 /* 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (lennart (at) augustsson.net) and LLoyd Parkes. 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 * This driver is partly based on information taken from the Linux driver 41 * by John Fremlin, Oliver Neukum, and Jeremy Hall. 42 */ 43 /* 44 * Protocol: 45 * Send raw SCSI command on the bulk-out pipe. 46 * If output command then 47 * send further data on the bulk-out pipe 48 * else if input command then 49 * read data on the bulk-in pipe 50 * else 51 * don't do anything. 52 * Read status byte on the interrupt pipe (which doesn't seem to be 53 * an interrupt pipe at all). This operation sometimes times out. 54 */ 55 56 #include <sys/cdefs.h> 57 __KERNEL_RCSID(0, "$NetBSD: usscanner.c,v 1.17 2005/05/11 10:02:29 augustss Exp $"); 58 59 #include "scsibus.h" 60 #include <sys/param.h> 61 #include <sys/systm.h> 62 #include <sys/kernel.h> 63 #include <sys/malloc.h> 64 #include <sys/device.h> 65 #include <sys/conf.h> 66 #include <sys/buf.h> 67 68 #include <dev/usb/usb.h> 69 #include <dev/usb/usbdi.h> 70 #include <dev/usb/usbdi_util.h> 71 72 #include <dev/usb/usbdevs.h> 73 74 #include <sys/scsiio.h> 75 #include <dev/scsipi/scsi_spc.h> 76 #include <dev/scsipi/scsi_all.h> 77 #include <dev/scsipi/scsipi_all.h> 78 #include <dev/scsipi/scsiconf.h> 79 #include <dev/scsipi/atapiconf.h> 80 81 #ifdef USSCANNER_DEBUG 82 #define DPRINTF(x) if (usscannerdebug) logprintf x 83 #define DPRINTFN(n,x) if (usscannerdebug>(n)) logprintf x 84 int usscannerdebug = 0; 85 #else 86 #define DPRINTF(x) 87 #define DPRINTFN(n,x) 88 #endif 89 90 91 #define USSCANNER_CONFIG_NO 1 92 #define USSCANNER_IFACE_IDX 0 93 94 #define USSCANNER_SCSIID_HOST 0x00 95 #define USSCANNER_SCSIID_DEVICE 0x01 96 97 #define USSCANNER_MAX_TRANSFER_SIZE MAXPHYS 98 99 #define USSCANNER_TIMEOUT 2000 100 101 struct usscanner_softc { 102 USBBASEDEVICE sc_dev; 103 usbd_device_handle sc_udev; 104 usbd_interface_handle sc_iface; 105 106 int sc_in_addr; 107 usbd_pipe_handle sc_in_pipe; 108 109 int sc_intr_addr; 110 usbd_pipe_handle sc_intr_pipe; 111 usbd_xfer_handle sc_intr_xfer; 112 u_char sc_status; 113 114 int sc_out_addr; 115 usbd_pipe_handle sc_out_pipe; 116 117 usbd_xfer_handle sc_cmd_xfer; 118 void *sc_cmd_buffer; 119 usbd_xfer_handle sc_data_xfer; 120 void *sc_data_buffer; 121 122 int sc_state; 123 #define UAS_IDLE 0 124 #define UAS_CMD 1 125 #define UAS_DATA 2 126 #define UAS_SENSECMD 3 127 #define UAS_SENSEDATA 4 128 #define UAS_STATUS 5 129 130 struct scsipi_xfer *sc_xs; 131 132 device_ptr_t sc_child; /* child device, for detach */ 133 134 struct scsipi_adapter sc_adapter; 135 struct scsipi_channel sc_channel; 136 137 int sc_refcnt; 138 char sc_dying; 139 }; 140 141 142 Static void usscanner_cleanup(struct usscanner_softc *sc); 143 Static void usscanner_scsipi_request(struct scsipi_channel *chan, 144 scsipi_adapter_req_t req, void *arg); 145 Static void usscanner_scsipi_minphys(struct buf *bp); 146 Static void usscanner_done(struct usscanner_softc *sc); 147 Static void usscanner_sense(struct usscanner_softc *sc); 148 typedef void callback(usbd_xfer_handle, usbd_private_handle, usbd_status); 149 Static callback usscanner_intr_cb; 150 Static callback usscanner_cmd_cb; 151 Static callback usscanner_data_cb; 152 Static callback usscanner_sensecmd_cb; 153 Static callback usscanner_sensedata_cb; 154 155 USB_DECLARE_DRIVER(usscanner); 156 157 USB_MATCH(usscanner) 158 { 159 USB_MATCH_START(usscanner, uaa); 160 161 DPRINTFN(50,("usscanner_match\n")); 162 163 if (uaa->iface != NULL) 164 return (UMATCH_NONE); 165 166 if (uaa->vendor == USB_VENDOR_HP && 167 uaa->product == USB_PRODUCT_HP_5300C) 168 return (UMATCH_VENDOR_PRODUCT); 169 else 170 return (UMATCH_NONE); 171 } 172 173 USB_ATTACH(usscanner) 174 { 175 USB_ATTACH_START(usscanner, sc, uaa); 176 usbd_device_handle dev = uaa->device; 177 usbd_interface_handle iface; 178 char *devinfop; 179 usbd_status err; 180 usb_endpoint_descriptor_t *ed; 181 u_int8_t epcount; 182 int i; 183 184 DPRINTFN(10,("usscanner_attach: sc=%p\n", sc)); 185 186 devinfop = usbd_devinfo_alloc(dev, 0); 187 USB_ATTACH_SETUP; 188 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfop); 189 usbd_devinfo_free(devinfop); 190 191 err = usbd_set_config_no(dev, USSCANNER_CONFIG_NO, 1); 192 if (err) { 193 printf("%s: setting config no failed\n", 194 USBDEVNAME(sc->sc_dev)); 195 USB_ATTACH_ERROR_RETURN; 196 } 197 198 err = usbd_device2interface_handle(dev, USSCANNER_IFACE_IDX, &iface); 199 if (err) { 200 printf("%s: getting interface handle failed\n", 201 USBDEVNAME(sc->sc_dev)); 202 USB_ATTACH_ERROR_RETURN; 203 } 204 205 sc->sc_udev = dev; 206 sc->sc_iface = iface; 207 208 epcount = 0; 209 (void)usbd_endpoint_count(iface, &epcount); 210 211 sc->sc_in_addr = -1; 212 sc->sc_intr_addr = -1; 213 sc->sc_out_addr = -1; 214 for (i = 0; i < epcount; i++) { 215 ed = usbd_interface2endpoint_descriptor(iface, i); 216 if (ed == NULL) { 217 printf("%s: couldn't get ep %d\n", 218 USBDEVNAME(sc->sc_dev), i); 219 USB_ATTACH_ERROR_RETURN; 220 } 221 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 222 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 223 sc->sc_in_addr = ed->bEndpointAddress; 224 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 225 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 226 sc->sc_intr_addr = ed->bEndpointAddress; 227 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 228 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 229 sc->sc_out_addr = ed->bEndpointAddress; 230 } 231 } 232 if (sc->sc_in_addr == -1 || sc->sc_intr_addr == -1 || 233 sc->sc_out_addr == -1) { 234 printf("%s: missing endpoint\n", USBDEVNAME(sc->sc_dev)); 235 USB_ATTACH_ERROR_RETURN; 236 } 237 238 err = usbd_open_pipe(sc->sc_iface, sc->sc_in_addr, 239 USBD_EXCLUSIVE_USE, &sc->sc_in_pipe); 240 if (err) { 241 printf("%s: open in pipe failed, err=%d\n", 242 USBDEVNAME(sc->sc_dev), err); 243 USB_ATTACH_ERROR_RETURN; 244 } 245 246 /* The interrupt endpoint must be opened as a normal pipe. */ 247 err = usbd_open_pipe(sc->sc_iface, sc->sc_intr_addr, 248 USBD_EXCLUSIVE_USE, &sc->sc_intr_pipe); 249 250 if (err) { 251 printf("%s: open intr pipe failed, err=%d\n", 252 USBDEVNAME(sc->sc_dev), err); 253 usscanner_cleanup(sc); 254 USB_ATTACH_ERROR_RETURN; 255 } 256 err = usbd_open_pipe(sc->sc_iface, sc->sc_out_addr, 257 USBD_EXCLUSIVE_USE, &sc->sc_out_pipe); 258 if (err) { 259 printf("%s: open out pipe failed, err=%d\n", 260 USBDEVNAME(sc->sc_dev), err); 261 usscanner_cleanup(sc); 262 USB_ATTACH_ERROR_RETURN; 263 } 264 265 sc->sc_cmd_xfer = usbd_alloc_xfer(uaa->device); 266 if (sc->sc_cmd_xfer == NULL) { 267 printf("%s: alloc cmd xfer failed, err=%d\n", 268 USBDEVNAME(sc->sc_dev), err); 269 usscanner_cleanup(sc); 270 USB_ATTACH_ERROR_RETURN; 271 } 272 273 /* XXX too big */ 274 sc->sc_cmd_buffer = usbd_alloc_buffer(sc->sc_cmd_xfer, 275 USSCANNER_MAX_TRANSFER_SIZE); 276 if (sc->sc_cmd_buffer == NULL) { 277 printf("%s: alloc cmd buffer failed, err=%d\n", 278 USBDEVNAME(sc->sc_dev), err); 279 usscanner_cleanup(sc); 280 USB_ATTACH_ERROR_RETURN; 281 } 282 283 sc->sc_intr_xfer = usbd_alloc_xfer (uaa->device); 284 if (sc->sc_intr_xfer == NULL) { 285 printf("%s: alloc intr xfer failed, err=%d\n", 286 USBDEVNAME(sc->sc_dev), err); 287 usscanner_cleanup(sc); 288 USB_ATTACH_ERROR_RETURN; 289 } 290 291 sc->sc_data_xfer = usbd_alloc_xfer(uaa->device); 292 if (sc->sc_data_xfer == NULL) { 293 printf("%s: alloc data xfer failed, err=%d\n", 294 USBDEVNAME(sc->sc_dev), err); 295 usscanner_cleanup(sc); 296 USB_ATTACH_ERROR_RETURN; 297 } 298 sc->sc_data_buffer = usbd_alloc_buffer(sc->sc_data_xfer, 299 USSCANNER_MAX_TRANSFER_SIZE); 300 if (sc->sc_data_buffer == NULL) { 301 printf("%s: alloc data buffer failed, err=%d\n", 302 USBDEVNAME(sc->sc_dev), err); 303 usscanner_cleanup(sc); 304 USB_ATTACH_ERROR_RETURN; 305 } 306 307 /* 308 * Fill in the adapter. 309 */ 310 sc->sc_adapter.adapt_request = usscanner_scsipi_request; 311 sc->sc_adapter.adapt_dev = &sc->sc_dev; 312 sc->sc_adapter.adapt_nchannels = 1; 313 sc->sc_adapter.adapt_openings = 1; 314 sc->sc_adapter.adapt_max_periph = 1; 315 sc->sc_adapter.adapt_minphys = usscanner_scsipi_minphys; 316 317 #if NSCSIBUS > 0 318 /* 319 * fill in the scsipi_channel. 320 */ 321 sc->sc_channel.chan_adapter = &sc->sc_adapter; 322 sc->sc_channel.chan_bustype = &scsi_bustype; 323 sc->sc_channel.chan_channel = 0; 324 sc->sc_channel.chan_ntargets = USSCANNER_SCSIID_DEVICE + 1; 325 sc->sc_channel.chan_nluns = 1; 326 sc->sc_channel.chan_id = USSCANNER_SCSIID_HOST; 327 328 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 329 USBDEV(sc->sc_dev)); 330 331 sc->sc_child = config_found(&sc->sc_dev, &sc->sc_channel, scsiprint); 332 333 DPRINTFN(10, ("usscanner_attach: %p\n", sc->sc_udev)); 334 335 USB_ATTACH_SUCCESS_RETURN; 336 337 #else 338 /* No SCSI bus, just ignore it */ 339 usscanner_cleanup(sc); 340 USB_ATTACH_ERROR_RETURN; 341 342 #endif 343 } 344 345 USB_DETACH(usscanner) 346 { 347 USB_DETACH_START(usscanner, sc); 348 int rv, s; 349 350 DPRINTF(("usscanner_detach: sc=%p flags=%d\n", sc, flags)); 351 352 sc->sc_dying = 1; 353 /* Abort all pipes. Causes processes waiting for transfer to wake. */ 354 if (sc->sc_in_pipe != NULL) 355 usbd_abort_pipe(sc->sc_in_pipe); 356 if (sc->sc_intr_pipe != NULL) 357 usbd_abort_pipe(sc->sc_intr_pipe); 358 if (sc->sc_out_pipe != NULL) 359 usbd_abort_pipe(sc->sc_out_pipe); 360 361 s = splusb(); 362 if (--sc->sc_refcnt >= 0) { 363 /* Wait for processes to go away. */ 364 usb_detach_wait(USBDEV(sc->sc_dev)); 365 } 366 splx(s); 367 368 if (sc->sc_child != NULL) 369 rv = config_detach(sc->sc_child, flags); 370 else 371 rv = 0; 372 373 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 374 USBDEV(sc->sc_dev)); 375 376 return (rv); 377 } 378 379 Static void 380 usscanner_cleanup(struct usscanner_softc *sc) 381 { 382 if (sc->sc_in_pipe != NULL) { 383 usbd_close_pipe(sc->sc_in_pipe); 384 sc->sc_in_pipe = NULL; 385 } 386 if (sc->sc_intr_pipe != NULL) { 387 usbd_close_pipe(sc->sc_intr_pipe); 388 sc->sc_intr_pipe = NULL; 389 } 390 if (sc->sc_out_pipe != NULL) { 391 usbd_close_pipe(sc->sc_out_pipe); 392 sc->sc_out_pipe = NULL; 393 } 394 if (sc->sc_cmd_xfer != NULL) { 395 usbd_free_xfer(sc->sc_cmd_xfer); 396 sc->sc_cmd_xfer = NULL; 397 } 398 if (sc->sc_data_xfer != NULL) { 399 usbd_free_xfer(sc->sc_data_xfer); 400 sc->sc_data_xfer = NULL; 401 } 402 } 403 404 int 405 usscanner_activate(device_ptr_t self, enum devact act) 406 { 407 struct usscanner_softc *sc = (struct usscanner_softc *)self; 408 409 switch (act) { 410 case DVACT_ACTIVATE: 411 return (EOPNOTSUPP); 412 413 case DVACT_DEACTIVATE: 414 sc->sc_dying = 1; 415 break; 416 } 417 return (0); 418 } 419 420 Static void 421 usscanner_scsipi_minphys(struct buf *bp) 422 { 423 if (bp->b_bcount > USSCANNER_MAX_TRANSFER_SIZE) 424 bp->b_bcount = USSCANNER_MAX_TRANSFER_SIZE; 425 minphys(bp); 426 } 427 428 Static void 429 usscanner_sense(struct usscanner_softc *sc) 430 { 431 struct scsipi_xfer *xs = sc->sc_xs; 432 struct scsipi_periph *periph = xs->xs_periph; 433 struct scsi_request_sense sense_cmd; 434 usbd_status err; 435 436 /* fetch sense data */ 437 memset(&sense_cmd, 0, sizeof(sense_cmd)); 438 sense_cmd.opcode = SCSI_REQUEST_SENSE; 439 sense_cmd.byte2 = periph->periph_lun << SCSI_CMD_LUN_SHIFT; 440 sense_cmd.length = sizeof xs->sense; 441 442 sc->sc_state = UAS_SENSECMD; 443 memcpy(sc->sc_cmd_buffer, &sense_cmd, sizeof sense_cmd); 444 usbd_setup_xfer(sc->sc_cmd_xfer, sc->sc_out_pipe, sc, sc->sc_cmd_buffer, 445 sizeof sense_cmd, USBD_NO_COPY, USSCANNER_TIMEOUT, 446 usscanner_sensecmd_cb); 447 err = usbd_transfer(sc->sc_cmd_xfer); 448 if (err == USBD_IN_PROGRESS) 449 return; 450 451 xs->error = XS_DRIVER_STUFFUP; 452 usscanner_done(sc); 453 } 454 455 Static void 456 usscanner_intr_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 457 usbd_status status) 458 { 459 struct usscanner_softc *sc = priv; 460 int s; 461 462 DPRINTFN(10, ("usscanner_data_cb status=%d\n", status)); 463 464 #ifdef USSCANNER_DEBUG 465 if (sc->sc_state != UAS_STATUS) { 466 printf("%s: !UAS_STATUS\n", USBDEVNAME(sc->sc_dev)); 467 } 468 if (sc->sc_status != 0) { 469 printf("%s: status byte=0x%02x\n", USBDEVNAME(sc->sc_dev), sc->sc_status); 470 } 471 #endif 472 /* XXX what should we do on non-0 status */ 473 474 sc->sc_state = UAS_IDLE; 475 476 s = splbio(); 477 scsipi_done(sc->sc_xs); 478 splx(s); 479 } 480 481 Static void 482 usscanner_data_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 483 usbd_status status) 484 { 485 struct usscanner_softc *sc = priv; 486 struct scsipi_xfer *xs = sc->sc_xs; 487 u_int32_t len; 488 489 DPRINTFN(10, ("usscanner_data_cb status=%d\n", status)); 490 491 #ifdef USSCANNER_DEBUG 492 if (sc->sc_state != UAS_DATA) { 493 printf("%s: !UAS_DATA\n", USBDEVNAME(sc->sc_dev)); 494 } 495 #endif 496 497 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 498 499 xs->resid = xs->datalen - len; 500 501 switch (status) { 502 case USBD_NORMAL_COMPLETION: 503 if (xs->xs_control & XS_CTL_DATA_IN) 504 memcpy(xs->data, sc->sc_data_buffer, len); 505 xs->error = XS_NOERROR; 506 break; 507 case USBD_TIMEOUT: 508 xs->error = XS_TIMEOUT; 509 break; 510 case USBD_CANCELLED: 511 if (xs->error == XS_SENSE) { 512 usscanner_sense(sc); 513 return; 514 } 515 break; 516 default: 517 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 518 break; 519 } 520 usscanner_done(sc); 521 } 522 523 Static void 524 usscanner_sensedata_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 525 usbd_status status) 526 { 527 struct usscanner_softc *sc = priv; 528 struct scsipi_xfer *xs = sc->sc_xs; 529 u_int32_t len; 530 531 DPRINTFN(10, ("usscanner_sensedata_cb status=%d\n", status)); 532 533 #ifdef USSCANNER_DEBUG 534 if (sc->sc_state != UAS_SENSEDATA) { 535 printf("%s: !UAS_SENSEDATA\n", USBDEVNAME(sc->sc_dev)); 536 } 537 #endif 538 539 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 540 541 switch (status) { 542 case USBD_NORMAL_COMPLETION: 543 memcpy(&xs->sense, sc->sc_data_buffer, len); 544 if (len < sizeof xs->sense) 545 xs->error = XS_SHORTSENSE; 546 break; 547 case USBD_TIMEOUT: 548 xs->error = XS_TIMEOUT; 549 break; 550 case USBD_CANCELLED: 551 xs->error = XS_RESET; 552 break; 553 default: 554 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 555 break; 556 } 557 usscanner_done(sc); 558 } 559 560 Static void 561 usscanner_done(struct usscanner_softc *sc) 562 { 563 struct scsipi_xfer *xs = sc->sc_xs; 564 usbd_status err; 565 566 DPRINTFN(10,("usscanner_done: error=%d\n", sc->sc_xs->error)); 567 568 sc->sc_state = UAS_STATUS; 569 usbd_setup_xfer(sc->sc_intr_xfer, sc->sc_intr_pipe, sc, &sc->sc_status, 570 1, USBD_SHORT_XFER_OK | USBD_NO_COPY, 571 USSCANNER_TIMEOUT, usscanner_intr_cb); 572 err = usbd_transfer(sc->sc_intr_xfer); 573 if (err == USBD_IN_PROGRESS) 574 return; 575 xs->error = XS_DRIVER_STUFFUP; 576 } 577 578 Static void 579 usscanner_sensecmd_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 580 usbd_status status) 581 { 582 struct usscanner_softc *sc = priv; 583 struct scsipi_xfer *xs = sc->sc_xs; 584 usbd_status err; 585 586 DPRINTFN(10, ("usscanner_sensecmd_cb status=%d\n", status)); 587 588 #ifdef USSCANNER_DEBUG 589 if (usscannerdebug > 15) 590 xs->xs_periph->periph_flags |= 1; /* XXX 1 */ 591 592 if (sc->sc_state != UAS_SENSECMD) { 593 printf("%s: !UAS_SENSECMD\n", USBDEVNAME(sc->sc_dev)); 594 xs->error = XS_DRIVER_STUFFUP; 595 goto done; 596 } 597 #endif 598 599 switch (status) { 600 case USBD_NORMAL_COMPLETION: 601 break; 602 case USBD_TIMEOUT: 603 xs->error = XS_TIMEOUT; 604 goto done; 605 default: 606 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 607 goto done; 608 } 609 610 sc->sc_state = UAS_SENSEDATA; 611 usbd_setup_xfer(sc->sc_data_xfer, sc->sc_in_pipe, sc, 612 sc->sc_data_buffer, 613 sizeof xs->sense, USBD_SHORT_XFER_OK | USBD_NO_COPY, 614 USSCANNER_TIMEOUT, usscanner_sensedata_cb); 615 err = usbd_transfer(sc->sc_data_xfer); 616 if (err == USBD_IN_PROGRESS) 617 return; 618 xs->error = XS_DRIVER_STUFFUP; 619 done: 620 usscanner_done(sc); 621 } 622 623 Static void 624 usscanner_cmd_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 625 usbd_status status) 626 { 627 struct usscanner_softc *sc = priv; 628 struct scsipi_xfer *xs = sc->sc_xs; 629 usbd_pipe_handle pipe; 630 usbd_status err; 631 632 DPRINTFN(10, ("usscanner_cmd_cb status=%d\n", status)); 633 634 #ifdef USSCANNER_DEBUG 635 if (usscannerdebug > 15) 636 xs->xs_periph->periph_flags |= 1; /* XXX 1 */ 637 638 if (sc->sc_state != UAS_CMD) { 639 printf("%s: !UAS_CMD\n", USBDEVNAME(sc->sc_dev)); 640 xs->error = XS_DRIVER_STUFFUP; 641 goto done; 642 } 643 #endif 644 645 switch (status) { 646 case USBD_NORMAL_COMPLETION: 647 break; 648 case USBD_TIMEOUT: 649 xs->error = XS_TIMEOUT; 650 goto done; 651 case USBD_CANCELLED: 652 goto done; 653 default: 654 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 655 goto done; 656 } 657 658 if (xs->datalen == 0) { 659 DPRINTFN(4, ("usscanner_cmd_cb: no data phase\n")); 660 xs->error = XS_NOERROR; 661 goto done; 662 } 663 664 if (xs->xs_control & XS_CTL_DATA_IN) { 665 DPRINTFN(4, ("usscanner_cmd_cb: data in len=%d\n", 666 xs->datalen)); 667 pipe = sc->sc_in_pipe; 668 } else { 669 DPRINTFN(4, ("usscanner_cmd_cb: data out len=%d\n", 670 xs->datalen)); 671 memcpy(sc->sc_data_buffer, xs->data, xs->datalen); 672 pipe = sc->sc_out_pipe; 673 } 674 sc->sc_state = UAS_DATA; 675 usbd_setup_xfer(sc->sc_data_xfer, pipe, sc, sc->sc_data_buffer, 676 xs->datalen, USBD_SHORT_XFER_OK | USBD_NO_COPY, 677 xs->timeout, usscanner_data_cb); 678 err = usbd_transfer(sc->sc_data_xfer); 679 if (err == USBD_IN_PROGRESS) 680 return; 681 xs->error = XS_DRIVER_STUFFUP; 682 683 done: 684 usscanner_done(sc); 685 } 686 687 Static void 688 usscanner_scsipi_request(chan, req, arg) 689 struct scsipi_channel *chan; 690 scsipi_adapter_req_t req; 691 void *arg; 692 { 693 struct scsipi_xfer *xs; 694 struct scsipi_periph *periph; 695 struct usscanner_softc *sc = (void *)chan->chan_adapter->adapt_dev; 696 usbd_status err; 697 698 switch (req) { 699 case ADAPTER_REQ_RUN_XFER: 700 xs = arg; 701 periph = xs->xs_periph; 702 703 DPRINTFN(8, ("%s: usscanner_scsipi_request: %d:%d " 704 "xs=%p cmd=0x%02x datalen=%d (quirks=0x%x, poll=%d)\n", 705 USBDEVNAME(sc->sc_dev), 706 periph->periph_target, periph->periph_lun, 707 xs, xs->cmd->opcode, xs->datalen, 708 periph->periph_quirks, xs->xs_control & XS_CTL_POLL)); 709 710 if (sc->sc_dying) { 711 xs->error = XS_DRIVER_STUFFUP; 712 goto done; 713 } 714 715 #ifdef USSCANNER_DEBUG 716 if (periph->periph_target != USSCANNER_SCSIID_DEVICE) { 717 DPRINTF(("%s: wrong SCSI ID %d\n", 718 USBDEVNAME(sc->sc_dev), periph->periph_target)); 719 xs->error = XS_DRIVER_STUFFUP; 720 goto done; 721 } 722 if (sc->sc_state != UAS_IDLE) { 723 printf("%s: !UAS_IDLE\n", USBDEVNAME(sc->sc_dev)); 724 xs->error = XS_DRIVER_STUFFUP; 725 goto done; 726 } 727 #endif 728 729 if (xs->datalen > USSCANNER_MAX_TRANSFER_SIZE) { 730 printf("%s: usscanner_scsipi_request: large datalen," 731 " %d\n", USBDEVNAME(sc->sc_dev), xs->datalen); 732 xs->error = XS_DRIVER_STUFFUP; 733 goto done; 734 } 735 736 DPRINTFN(4, ("%s: usscanner_scsipi_request: async cmdlen=%d" 737 " datalen=%d\n", USBDEVNAME(sc->sc_dev), xs->cmdlen, 738 xs->datalen)); 739 sc->sc_state = UAS_CMD; 740 sc->sc_xs = xs; 741 memcpy(sc->sc_cmd_buffer, xs->cmd, xs->cmdlen); 742 usbd_setup_xfer(sc->sc_cmd_xfer, sc->sc_out_pipe, sc, 743 sc->sc_cmd_buffer, xs->cmdlen, USBD_NO_COPY, 744 USSCANNER_TIMEOUT, usscanner_cmd_cb); 745 err = usbd_transfer(sc->sc_cmd_xfer); 746 if (err != USBD_IN_PROGRESS) { 747 xs->error = XS_DRIVER_STUFFUP; 748 goto done; 749 } 750 751 return; 752 753 754 done: 755 sc->sc_state = UAS_IDLE; 756 scsipi_done(xs); 757 return; 758 759 case ADAPTER_REQ_GROW_RESOURCES: 760 /* XXX Not supported. */ 761 return; 762 case ADAPTER_REQ_SET_XFER_MODE: 763 /* XXX Not supported. */ 764 return; 765 } 766 767 } 768
Indexes created Tue Sep 30 17:09:57 GMT 2025