usscanner.c revision 1.27
1 /* $NetBSD: usscanner.c,v 1.27 2009/03/14 15:36:21 dsl 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * This driver is partly based on information taken from the Linux driver 34 * by John Fremlin, Oliver Neukum, and Jeremy Hall. 35 */ 36 /* 37 * Protocol: 38 * Send raw SCSI command on the bulk-out pipe. 39 * If output command then 40 * send further data on the bulk-out pipe 41 * else if input command then 42 * read data on the bulk-in pipe 43 * else 44 * don't do anything. 45 * Read status byte on the interrupt pipe (which doesn't seem to be 46 * an interrupt pipe at all). This operation sometimes times out. 47 */ 48 49 #include <sys/cdefs.h> 50 __KERNEL_RCSID(0, "$NetBSD: usscanner.c,v 1.27 2009/03/14 15:36:21 dsl Exp $"); 51 52 #include "scsibus.h" 53 #include <sys/param.h> 54 #include <sys/systm.h> 55 #include <sys/kernel.h> 56 #include <sys/malloc.h> 57 #include <sys/device.h> 58 #include <sys/conf.h> 59 #include <sys/buf.h> 60 61 #include <dev/usb/usb.h> 62 #include <dev/usb/usbdi.h> 63 #include <dev/usb/usbdi_util.h> 64 65 #include <dev/usb/usbdevs.h> 66 67 #include <sys/scsiio.h> 68 #include <dev/scsipi/scsi_spc.h> 69 #include <dev/scsipi/scsi_all.h> 70 #include <dev/scsipi/scsipi_all.h> 71 #include <dev/scsipi/scsiconf.h> 72 #include <dev/scsipi/atapiconf.h> 73 74 #ifdef USSCANNER_DEBUG 75 #define DPRINTF(x) if (usscannerdebug) logprintf x 76 #define DPRINTFN(n,x) if (usscannerdebug>(n)) logprintf x 77 int usscannerdebug = 0; 78 #else 79 #define DPRINTF(x) 80 #define DPRINTFN(n,x) 81 #endif 82 83 84 #define USSCANNER_CONFIG_NO 1 85 #define USSCANNER_IFACE_IDX 0 86 87 #define USSCANNER_SCSIID_HOST 0x00 88 #define USSCANNER_SCSIID_DEVICE 0x01 89 90 #define USSCANNER_MAX_TRANSFER_SIZE MAXPHYS 91 92 #define USSCANNER_TIMEOUT 2000 93 94 struct usscanner_softc { 95 USBBASEDEVICE sc_dev; 96 usbd_device_handle sc_udev; 97 usbd_interface_handle sc_iface; 98 99 int sc_in_addr; 100 usbd_pipe_handle sc_in_pipe; 101 102 int sc_intr_addr; 103 usbd_pipe_handle sc_intr_pipe; 104 usbd_xfer_handle sc_intr_xfer; 105 u_char sc_status; 106 107 int sc_out_addr; 108 usbd_pipe_handle sc_out_pipe; 109 110 usbd_xfer_handle sc_cmd_xfer; 111 void *sc_cmd_buffer; 112 usbd_xfer_handle sc_data_xfer; 113 void *sc_data_buffer; 114 115 int sc_state; 116 #define UAS_IDLE 0 117 #define UAS_CMD 1 118 #define UAS_DATA 2 119 #define UAS_SENSECMD 3 120 #define UAS_SENSEDATA 4 121 #define UAS_STATUS 5 122 123 struct scsipi_xfer *sc_xs; 124 125 device_ptr_t sc_child; /* child device, for detach */ 126 127 struct scsipi_adapter sc_adapter; 128 struct scsipi_channel sc_channel; 129 130 int sc_refcnt; 131 char sc_dying; 132 }; 133 134 135 Static void usscanner_cleanup(struct usscanner_softc *sc); 136 Static void usscanner_scsipi_request(struct scsipi_channel *chan, 137 scsipi_adapter_req_t req, void *arg); 138 Static void usscanner_scsipi_minphys(struct buf *bp); 139 Static void usscanner_done(struct usscanner_softc *sc); 140 Static void usscanner_sense(struct usscanner_softc *sc); 141 typedef void callback(usbd_xfer_handle, usbd_private_handle, usbd_status); 142 Static callback usscanner_intr_cb; 143 Static callback usscanner_cmd_cb; 144 Static callback usscanner_data_cb; 145 Static callback usscanner_sensecmd_cb; 146 Static callback usscanner_sensedata_cb; 147 148 int usscanner_match(device_t, cfdata_t, void *); 149 void usscanner_attach(device_t, device_t, void *); 150 void usscanner_childdet(device_t, device_t); 151 int usscanner_detach(device_t, int); 152 int usscanner_activate(device_t, enum devact); 153 extern struct cfdriver usscanner_cd; 154 CFATTACH_DECL2_NEW(usscanner, sizeof(struct usscanner_softc), 155 usscanner_match, usscanner_attach, usscanner_detach, usscanner_activate, 156 NULL, usscanner_childdet); 157 158 USB_MATCH(usscanner) 159 { 160 USB_MATCH_START(usscanner, uaa); 161 162 DPRINTFN(50,("usscanner_match\n")); 163 164 if (uaa->vendor == USB_VENDOR_HP && 165 uaa->product == USB_PRODUCT_HP_5300C) 166 return (UMATCH_VENDOR_PRODUCT); 167 else 168 return (UMATCH_NONE); 169 } 170 171 USB_ATTACH(usscanner) 172 { 173 USB_ATTACH_START(usscanner, sc, uaa); 174 usbd_device_handle dev = uaa->device; 175 usbd_interface_handle iface; 176 char *devinfop; 177 usbd_status err; 178 usb_endpoint_descriptor_t *ed; 179 u_int8_t epcount; 180 int i; 181 182 DPRINTFN(10,("usscanner_attach: sc=%p\n", sc)); 183 184 sc->sc_dev = self; 185 186 devinfop = usbd_devinfo_alloc(dev, 0); 187 USB_ATTACH_SETUP; 188 aprint_normal_dev(self, "%s\n", devinfop); 189 usbd_devinfo_free(devinfop); 190 191 err = usbd_set_config_no(dev, USSCANNER_CONFIG_NO, 1); 192 if (err) { 193 aprint_error_dev(self, "setting config no failed\n"); 194 USB_ATTACH_ERROR_RETURN; 195 } 196 197 err = usbd_device2interface_handle(dev, USSCANNER_IFACE_IDX, &iface); 198 if (err) { 199 aprint_error_dev(self, "getting interface handle failed\n"); 200 USB_ATTACH_ERROR_RETURN; 201 } 202 203 sc->sc_udev = dev; 204 sc->sc_iface = iface; 205 206 epcount = 0; 207 (void)usbd_endpoint_count(iface, &epcount); 208 209 sc->sc_in_addr = -1; 210 sc->sc_intr_addr = -1; 211 sc->sc_out_addr = -1; 212 for (i = 0; i < epcount; i++) { 213 ed = usbd_interface2endpoint_descriptor(iface, i); 214 if (ed == NULL) { 215 aprint_error_dev(self, "couldn't get ep %d\n", i); 216 USB_ATTACH_ERROR_RETURN; 217 } 218 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 219 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 220 sc->sc_in_addr = ed->bEndpointAddress; 221 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 222 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 223 sc->sc_intr_addr = ed->bEndpointAddress; 224 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 225 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 226 sc->sc_out_addr = ed->bEndpointAddress; 227 } 228 } 229 if (sc->sc_in_addr == -1 || sc->sc_intr_addr == -1 || 230 sc->sc_out_addr == -1) { 231 aprint_error_dev(self, "missing endpoint\n"); 232 USB_ATTACH_ERROR_RETURN; 233 } 234 235 err = usbd_open_pipe(sc->sc_iface, sc->sc_in_addr, 236 USBD_EXCLUSIVE_USE, &sc->sc_in_pipe); 237 if (err) { 238 aprint_error_dev(self, "open in pipe failed, err=%d\n", err); 239 USB_ATTACH_ERROR_RETURN; 240 } 241 242 /* The interrupt endpoint must be opened as a normal pipe. */ 243 err = usbd_open_pipe(sc->sc_iface, sc->sc_intr_addr, 244 USBD_EXCLUSIVE_USE, &sc->sc_intr_pipe); 245 246 if (err) { 247 aprint_error_dev(self, "open intr pipe failed, err=%d\n", err); 248 usscanner_cleanup(sc); 249 USB_ATTACH_ERROR_RETURN; 250 } 251 err = usbd_open_pipe(sc->sc_iface, sc->sc_out_addr, 252 USBD_EXCLUSIVE_USE, &sc->sc_out_pipe); 253 if (err) { 254 aprint_error_dev(self, "open out pipe failed, err=%d\n", err); 255 usscanner_cleanup(sc); 256 USB_ATTACH_ERROR_RETURN; 257 } 258 259 sc->sc_cmd_xfer = usbd_alloc_xfer(uaa->device); 260 if (sc->sc_cmd_xfer == NULL) { 261 aprint_error_dev(self, "alloc cmd xfer failed, err=%d\n", err); 262 usscanner_cleanup(sc); 263 USB_ATTACH_ERROR_RETURN; 264 } 265 266 /* XXX too big */ 267 sc->sc_cmd_buffer = usbd_alloc_buffer(sc->sc_cmd_xfer, 268 USSCANNER_MAX_TRANSFER_SIZE); 269 if (sc->sc_cmd_buffer == NULL) { 270 aprint_error_dev(self, "alloc cmd buffer failed, err=%d\n", 271 err); 272 usscanner_cleanup(sc); 273 USB_ATTACH_ERROR_RETURN; 274 } 275 276 sc->sc_intr_xfer = usbd_alloc_xfer (uaa->device); 277 if (sc->sc_intr_xfer == NULL) { 278 aprint_error_dev(self, "alloc intr xfer failed, err=%d\n", err); 279 usscanner_cleanup(sc); 280 USB_ATTACH_ERROR_RETURN; 281 } 282 283 sc->sc_data_xfer = usbd_alloc_xfer(uaa->device); 284 if (sc->sc_data_xfer == NULL) { 285 aprint_error_dev(self, "alloc data xfer failed, err=%d\n", err); 286 usscanner_cleanup(sc); 287 USB_ATTACH_ERROR_RETURN; 288 } 289 sc->sc_data_buffer = usbd_alloc_buffer(sc->sc_data_xfer, 290 USSCANNER_MAX_TRANSFER_SIZE); 291 if (sc->sc_data_buffer == NULL) { 292 aprint_error_dev(self, "alloc data buffer failed, err=%d\n", 293 err); 294 usscanner_cleanup(sc); 295 USB_ATTACH_ERROR_RETURN; 296 } 297 298 /* 299 * Fill in the adapter. 300 */ 301 sc->sc_adapter.adapt_request = usscanner_scsipi_request; 302 sc->sc_adapter.adapt_dev = sc->sc_dev; 303 sc->sc_adapter.adapt_nchannels = 1; 304 sc->sc_adapter.adapt_openings = 1; 305 sc->sc_adapter.adapt_max_periph = 1; 306 sc->sc_adapter.adapt_minphys = usscanner_scsipi_minphys; 307 308 #if NSCSIBUS > 0 309 /* 310 * fill in the scsipi_channel. 311 */ 312 sc->sc_channel.chan_adapter = &sc->sc_adapter; 313 sc->sc_channel.chan_bustype = &scsi_bustype; 314 sc->sc_channel.chan_channel = 0; 315 sc->sc_channel.chan_ntargets = USSCANNER_SCSIID_DEVICE + 1; 316 sc->sc_channel.chan_nluns = 1; 317 sc->sc_channel.chan_id = USSCANNER_SCSIID_HOST; 318 319 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 320 USBDEV(sc->sc_dev)); 321 322 sc->sc_child = config_found(sc->sc_dev, &sc->sc_channel, scsiprint); 323 324 DPRINTFN(10, ("usscanner_attach: %p\n", sc->sc_udev)); 325 326 USB_ATTACH_SUCCESS_RETURN; 327 328 #else 329 /* No SCSI bus, just ignore it */ 330 usscanner_cleanup(sc); 331 332 aprint_error_dev(self, 333 "no scsibus configured, see usscanner(4) for details\n"); 334 335 USB_ATTACH_ERROR_RETURN; 336 337 #endif 338 } 339 340 void 341 usscanner_childdet(device_t self, device_t child) 342 { 343 struct usscanner_softc *sc = device_private(self); 344 345 KASSERT(sc->sc_child == NULL); 346 sc->sc_child = NULL; 347 } 348 349 USB_DETACH(usscanner) 350 { 351 USB_DETACH_START(usscanner, sc); 352 int rv, s; 353 354 DPRINTF(("usscanner_detach: sc=%p flags=%d\n", sc, flags)); 355 356 sc->sc_dying = 1; 357 /* Abort all pipes. Causes processes waiting for transfer to wake. */ 358 if (sc->sc_in_pipe != NULL) 359 usbd_abort_pipe(sc->sc_in_pipe); 360 if (sc->sc_intr_pipe != NULL) 361 usbd_abort_pipe(sc->sc_intr_pipe); 362 if (sc->sc_out_pipe != NULL) 363 usbd_abort_pipe(sc->sc_out_pipe); 364 365 s = splusb(); 366 if (--sc->sc_refcnt >= 0) { 367 /* Wait for processes to go away. */ 368 usb_detach_wait(USBDEV(sc->sc_dev)); 369 } 370 splx(s); 371 372 if (sc->sc_child != NULL) 373 rv = config_detach(sc->sc_child, flags); 374 else 375 rv = 0; 376 377 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 378 USBDEV(sc->sc_dev)); 379 380 return (rv); 381 } 382 383 Static void 384 usscanner_cleanup(struct usscanner_softc *sc) 385 { 386 if (sc->sc_in_pipe != NULL) { 387 usbd_close_pipe(sc->sc_in_pipe); 388 sc->sc_in_pipe = NULL; 389 } 390 if (sc->sc_intr_pipe != NULL) { 391 usbd_close_pipe(sc->sc_intr_pipe); 392 sc->sc_intr_pipe = NULL; 393 } 394 if (sc->sc_out_pipe != NULL) { 395 usbd_close_pipe(sc->sc_out_pipe); 396 sc->sc_out_pipe = NULL; 397 } 398 if (sc->sc_cmd_xfer != NULL) { 399 usbd_free_xfer(sc->sc_cmd_xfer); 400 sc->sc_cmd_xfer = NULL; 401 } 402 if (sc->sc_data_xfer != NULL) { 403 usbd_free_xfer(sc->sc_data_xfer); 404 sc->sc_data_xfer = NULL; 405 } 406 } 407 408 int 409 usscanner_activate(device_t self, enum devact act) 410 { 411 struct usscanner_softc *sc = device_private(self); 412 413 switch (act) { 414 case DVACT_ACTIVATE: 415 return (EOPNOTSUPP); 416 417 case DVACT_DEACTIVATE: 418 sc->sc_dying = 1; 419 break; 420 } 421 return (0); 422 } 423 424 Static void 425 usscanner_scsipi_minphys(struct buf *bp) 426 { 427 if (bp->b_bcount > USSCANNER_MAX_TRANSFER_SIZE) 428 bp->b_bcount = USSCANNER_MAX_TRANSFER_SIZE; 429 minphys(bp); 430 } 431 432 Static void 433 usscanner_sense(struct usscanner_softc *sc) 434 { 435 struct scsipi_xfer *xs = sc->sc_xs; 436 struct scsipi_periph *periph = xs->xs_periph; 437 struct scsi_request_sense sense_cmd; 438 usbd_status err; 439 440 /* fetch sense data */ 441 memset(&sense_cmd, 0, sizeof(sense_cmd)); 442 sense_cmd.opcode = SCSI_REQUEST_SENSE; 443 sense_cmd.byte2 = periph->periph_lun << SCSI_CMD_LUN_SHIFT; 444 sense_cmd.length = sizeof xs->sense; 445 446 sc->sc_state = UAS_SENSECMD; 447 memcpy(sc->sc_cmd_buffer, &sense_cmd, sizeof sense_cmd); 448 usbd_setup_xfer(sc->sc_cmd_xfer, sc->sc_out_pipe, sc, sc->sc_cmd_buffer, 449 sizeof sense_cmd, USBD_NO_COPY, USSCANNER_TIMEOUT, 450 usscanner_sensecmd_cb); 451 err = usbd_transfer(sc->sc_cmd_xfer); 452 if (err == USBD_IN_PROGRESS) 453 return; 454 455 xs->error = XS_DRIVER_STUFFUP; 456 usscanner_done(sc); 457 } 458 459 Static void 460 usscanner_intr_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 461 usbd_status status) 462 { 463 struct usscanner_softc *sc = priv; 464 int s; 465 466 DPRINTFN(10, ("usscanner_data_cb status=%d\n", status)); 467 468 #ifdef USSCANNER_DEBUG 469 if (sc->sc_state != UAS_STATUS) { 470 printf("%s: !UAS_STATUS\n", USBDEVNAME(sc->sc_dev)); 471 } 472 if (sc->sc_status != 0) { 473 printf("%s: status byte=0x%02x\n", USBDEVNAME(sc->sc_dev), sc->sc_status); 474 } 475 #endif 476 /* XXX what should we do on non-0 status */ 477 478 sc->sc_state = UAS_IDLE; 479 480 s = splbio(); 481 scsipi_done(sc->sc_xs); 482 splx(s); 483 } 484 485 Static void 486 usscanner_data_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 487 usbd_status status) 488 { 489 struct usscanner_softc *sc = priv; 490 struct scsipi_xfer *xs = sc->sc_xs; 491 u_int32_t len; 492 493 DPRINTFN(10, ("usscanner_data_cb status=%d\n", status)); 494 495 #ifdef USSCANNER_DEBUG 496 if (sc->sc_state != UAS_DATA) { 497 printf("%s: !UAS_DATA\n", USBDEVNAME(sc->sc_dev)); 498 } 499 #endif 500 501 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 502 503 xs->resid = xs->datalen - len; 504 505 switch (status) { 506 case USBD_NORMAL_COMPLETION: 507 if (xs->xs_control & XS_CTL_DATA_IN) 508 memcpy(xs->data, sc->sc_data_buffer, len); 509 xs->error = XS_NOERROR; 510 break; 511 case USBD_TIMEOUT: 512 xs->error = XS_TIMEOUT; 513 break; 514 case USBD_CANCELLED: 515 if (xs->error == XS_SENSE) { 516 usscanner_sense(sc); 517 return; 518 } 519 break; 520 default: 521 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 522 break; 523 } 524 usscanner_done(sc); 525 } 526 527 Static void 528 usscanner_sensedata_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 529 usbd_status status) 530 { 531 struct usscanner_softc *sc = priv; 532 struct scsipi_xfer *xs = sc->sc_xs; 533 u_int32_t len; 534 535 DPRINTFN(10, ("usscanner_sensedata_cb status=%d\n", status)); 536 537 #ifdef USSCANNER_DEBUG 538 if (sc->sc_state != UAS_SENSEDATA) { 539 printf("%s: !UAS_SENSEDATA\n", USBDEVNAME(sc->sc_dev)); 540 } 541 #endif 542 543 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 544 545 switch (status) { 546 case USBD_NORMAL_COMPLETION: 547 memcpy(&xs->sense, sc->sc_data_buffer, len); 548 if (len < sizeof xs->sense) 549 xs->error = XS_SHORTSENSE; 550 break; 551 case USBD_TIMEOUT: 552 xs->error = XS_TIMEOUT; 553 break; 554 case USBD_CANCELLED: 555 xs->error = XS_RESET; 556 break; 557 default: 558 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 559 break; 560 } 561 usscanner_done(sc); 562 } 563 564 Static void 565 usscanner_done(struct usscanner_softc *sc) 566 { 567 struct scsipi_xfer *xs = sc->sc_xs; 568 usbd_status err; 569 570 DPRINTFN(10,("usscanner_done: error=%d\n", sc->sc_xs->error)); 571 572 sc->sc_state = UAS_STATUS; 573 usbd_setup_xfer(sc->sc_intr_xfer, sc->sc_intr_pipe, sc, &sc->sc_status, 574 1, USBD_SHORT_XFER_OK | USBD_NO_COPY, 575 USSCANNER_TIMEOUT, usscanner_intr_cb); 576 err = usbd_transfer(sc->sc_intr_xfer); 577 if (err == USBD_IN_PROGRESS) 578 return; 579 xs->error = XS_DRIVER_STUFFUP; 580 } 581 582 Static void 583 usscanner_sensecmd_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 584 usbd_status status) 585 { 586 struct usscanner_softc *sc = priv; 587 struct scsipi_xfer *xs = sc->sc_xs; 588 usbd_status err; 589 590 DPRINTFN(10, ("usscanner_sensecmd_cb status=%d\n", status)); 591 592 #ifdef USSCANNER_DEBUG 593 if (usscannerdebug > 15) 594 xs->xs_periph->periph_flags |= 1; /* XXX 1 */ 595 596 if (sc->sc_state != UAS_SENSECMD) { 597 aprint_error_dev(sc->sc_dev, "!UAS_SENSECMD\n"); 598 xs->error = XS_DRIVER_STUFFUP; 599 goto done; 600 } 601 #endif 602 603 switch (status) { 604 case USBD_NORMAL_COMPLETION: 605 break; 606 case USBD_TIMEOUT: 607 xs->error = XS_TIMEOUT; 608 goto done; 609 default: 610 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 611 goto done; 612 } 613 614 sc->sc_state = UAS_SENSEDATA; 615 usbd_setup_xfer(sc->sc_data_xfer, sc->sc_in_pipe, sc, 616 sc->sc_data_buffer, 617 sizeof xs->sense, USBD_SHORT_XFER_OK | USBD_NO_COPY, 618 USSCANNER_TIMEOUT, usscanner_sensedata_cb); 619 err = usbd_transfer(sc->sc_data_xfer); 620 if (err == USBD_IN_PROGRESS) 621 return; 622 xs->error = XS_DRIVER_STUFFUP; 623 done: 624 usscanner_done(sc); 625 } 626 627 Static void 628 usscanner_cmd_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 629 usbd_status status) 630 { 631 struct usscanner_softc *sc = priv; 632 struct scsipi_xfer *xs = sc->sc_xs; 633 usbd_pipe_handle pipe; 634 usbd_status err; 635 636 DPRINTFN(10, ("usscanner_cmd_cb status=%d\n", status)); 637 638 #ifdef USSCANNER_DEBUG 639 if (usscannerdebug > 15) 640 xs->xs_periph->periph_flags |= 1; /* XXX 1 */ 641 642 if (sc->sc_state != UAS_CMD) { 643 aprint_error_dev(sc->sc_dev, "!UAS_CMD\n"); 644 xs->error = XS_DRIVER_STUFFUP; 645 goto done; 646 } 647 #endif 648 649 switch (status) { 650 case USBD_NORMAL_COMPLETION: 651 break; 652 case USBD_TIMEOUT: 653 xs->error = XS_TIMEOUT; 654 goto done; 655 case USBD_CANCELLED: 656 goto done; 657 default: 658 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 659 goto done; 660 } 661 662 if (xs->datalen == 0) { 663 DPRINTFN(4, ("usscanner_cmd_cb: no data phase\n")); 664 xs->error = XS_NOERROR; 665 goto done; 666 } 667 668 if (xs->xs_control & XS_CTL_DATA_IN) { 669 DPRINTFN(4, ("usscanner_cmd_cb: data in len=%d\n", 670 xs->datalen)); 671 pipe = sc->sc_in_pipe; 672 } else { 673 DPRINTFN(4, ("usscanner_cmd_cb: data out len=%d\n", 674 xs->datalen)); 675 memcpy(sc->sc_data_buffer, xs->data, xs->datalen); 676 pipe = sc->sc_out_pipe; 677 } 678 sc->sc_state = UAS_DATA; 679 usbd_setup_xfer(sc->sc_data_xfer, pipe, sc, sc->sc_data_buffer, 680 xs->datalen, USBD_SHORT_XFER_OK | USBD_NO_COPY, 681 xs->timeout, usscanner_data_cb); 682 err = usbd_transfer(sc->sc_data_xfer); 683 if (err == USBD_IN_PROGRESS) 684 return; 685 xs->error = XS_DRIVER_STUFFUP; 686 687 done: 688 usscanner_done(sc); 689 } 690 691 Static void 692 usscanner_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) 693 { 694 struct scsipi_xfer *xs; 695 struct scsipi_periph *periph; 696 struct usscanner_softc *sc = 697 device_private(chan->chan_adapter->adapt_dev); 698 usbd_status err; 699 700 switch (req) { 701 case ADAPTER_REQ_RUN_XFER: 702 xs = arg; 703 periph = xs->xs_periph; 704 705 DPRINTFN(8, ("%s: usscanner_scsipi_request: %d:%d " 706 "xs=%p cmd=0x%02x datalen=%d (quirks=0x%x, poll=%d)\n", 707 USBDEVNAME(sc->sc_dev), 708 periph->periph_target, periph->periph_lun, 709 xs, xs->cmd->opcode, xs->datalen, 710 periph->periph_quirks, xs->xs_control & XS_CTL_POLL)); 711 712 if (sc->sc_dying) { 713 xs->error = XS_DRIVER_STUFFUP; 714 goto done; 715 } 716 717 #ifdef USSCANNER_DEBUG 718 if (periph->periph_target != USSCANNER_SCSIID_DEVICE) { 719 DPRINTF(("%s: wrong SCSI ID %d\n", 720 USBDEVNAME(sc->sc_dev), periph->periph_target)); 721 xs->error = XS_DRIVER_STUFFUP; 722 goto done; 723 } 724 if (sc->sc_state != UAS_IDLE) { 725 printf("%s: !UAS_IDLE\n", USBDEVNAME(sc->sc_dev)); 726 xs->error = XS_DRIVER_STUFFUP; 727 goto done; 728 } 729 #endif 730 731 if (xs->datalen > USSCANNER_MAX_TRANSFER_SIZE) { 732 aprint_normal_dev(sc->sc_dev, 733 "usscanner_scsipi_request: large datalen, %d\n", 734 xs->datalen); 735 xs->error = XS_DRIVER_STUFFUP; 736 goto done; 737 } 738 739 DPRINTFN(4, ("%s: usscanner_scsipi_request: async cmdlen=%d" 740 " datalen=%d\n", USBDEVNAME(sc->sc_dev), xs->cmdlen, 741 xs->datalen)); 742 sc->sc_state = UAS_CMD; 743 sc->sc_xs = xs; 744 memcpy(sc->sc_cmd_buffer, xs->cmd, xs->cmdlen); 745 usbd_setup_xfer(sc->sc_cmd_xfer, sc->sc_out_pipe, sc, 746 sc->sc_cmd_buffer, xs->cmdlen, USBD_NO_COPY, 747 USSCANNER_TIMEOUT, usscanner_cmd_cb); 748 err = usbd_transfer(sc->sc_cmd_xfer); 749 if (err != USBD_IN_PROGRESS) { 750 xs->error = XS_DRIVER_STUFFUP; 751 goto done; 752 } 753 754 return; 755 756 757 done: 758 sc->sc_state = UAS_IDLE; 759 scsipi_done(xs); 760 return; 761 762 case ADAPTER_REQ_GROW_RESOURCES: 763 /* XXX Not supported. */ 764 return; 765 case ADAPTER_REQ_SET_XFER_MODE: 766 /* XXX Not supported. */ 767 return; 768 } 769 770 } 771
Indexes created Tue Sep 30 17:09:57 GMT 2025