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sys/dev/usb/usscanner.c
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1 /* $NetBSD: usscanner.c,v 1.13 2004/03/22 14:55:42 tls 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@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 1.13 2004/03/22 14:55:42 tls Exp $"); 58 59 #include <sys/param.h> 60 #include <sys/systm.h> 61 #include <sys/kernel.h> 62 #include <sys/malloc.h> 63 #include <sys/device.h> 64 #include <sys/conf.h> 65 #include <sys/buf.h> 66 67 #include <dev/usb/usb.h> 68 #include <dev/usb/usbdi.h> 69 #include <dev/usb/usbdi_util.h> 70 71 #include <dev/usb/usbdevs.h> 72 73 #include <sys/scsiio.h> 74 #include <dev/scsipi/scsi_all.h> 75 #include <dev/scsipi/scsipi_all.h> 76 #include <dev/scsipi/scsiconf.h> 77 #include <dev/scsipi/atapiconf.h> 78 79 #ifdef USSCANNER_DEBUG 80 #define DPRINTF(x) if (usscannerdebug) logprintf x 81 #define DPRINTFN(n,x) if (usscannerdebug>(n)) logprintf x 82 int usscannerdebug = 0; 83 #else 84 #define DPRINTF(x) 85 #define DPRINTFN(n,x) 86 #endif 87 88 89 #define USSCANNER_CONFIG_NO 1 90 #define USSCANNER_IFACE_IDX 0 91 92 #define USSCANNER_SCSIID_HOST 0x00 93 #define USSCANNER_SCSIID_DEVICE 0x01 94 95 #define USSCANNER_MAX_TRANSFER_SIZE MAXPHYS 96 97 #define USSCANNER_TIMEOUT 2000 98 99 struct usscanner_softc { 100 USBBASEDEVICE sc_dev; 101 usbd_device_handle sc_udev; 102 usbd_interface_handle sc_iface; 103 104 int sc_in_addr; 105 usbd_pipe_handle sc_in_pipe; 106 107 int sc_intr_addr; 108 usbd_pipe_handle sc_intr_pipe; 109 usbd_xfer_handle sc_intr_xfer; 110 u_char sc_status; 111 112 int sc_out_addr; 113 usbd_pipe_handle sc_out_pipe; 114 115 usbd_xfer_handle sc_cmd_xfer; 116 void *sc_cmd_buffer; 117 usbd_xfer_handle sc_data_xfer; 118 void *sc_data_buffer; 119 120 int sc_state; 121 #define UAS_IDLE 0 122 #define UAS_CMD 1 123 #define UAS_DATA 2 124 #define UAS_SENSECMD 3 125 #define UAS_SENSEDATA 4 126 #define UAS_STATUS 5 127 128 struct scsipi_xfer *sc_xs; 129 130 device_ptr_t sc_child; /* child device, for detach */ 131 132 struct scsipi_adapter sc_adapter; 133 struct scsipi_channel sc_channel; 134 135 int sc_refcnt; 136 char sc_dying; 137 }; 138 139 140 Static void usscanner_cleanup(struct usscanner_softc *sc); 141 Static void usscanner_scsipi_request(struct scsipi_channel *chan, 142 scsipi_adapter_req_t req, void *arg); 143 Static void usscanner_scsipi_minphys(struct buf *bp); 144 Static void usscanner_done(struct usscanner_softc *sc); 145 Static void usscanner_sense(struct usscanner_softc *sc); 146 typedef void callback(usbd_xfer_handle, usbd_private_handle, usbd_status); 147 Static callback usscanner_intr_cb; 148 Static callback usscanner_cmd_cb; 149 Static callback usscanner_data_cb; 150 Static callback usscanner_sensecmd_cb; 151 Static callback usscanner_sensedata_cb; 152 153 USB_DECLARE_DRIVER(usscanner); 154 155 USB_MATCH(usscanner) 156 { 157 USB_MATCH_START(usscanner, uaa); 158 159 DPRINTFN(50,("usscanner_match\n")); 160 161 if (uaa->iface != NULL) 162 return (UMATCH_NONE); 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 devinfo[1024]; 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 usbd_devinfo(dev, 0, devinfo); 185 USB_ATTACH_SETUP; 186 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfo); 187 188 err = usbd_set_config_no(dev, USSCANNER_CONFIG_NO, 1); 189 if (err) { 190 printf("%s: setting config no failed\n", 191 USBDEVNAME(sc->sc_dev)); 192 USB_ATTACH_ERROR_RETURN; 193 } 194 195 err = usbd_device2interface_handle(dev, USSCANNER_IFACE_IDX, &iface); 196 if (err) { 197 printf("%s: getting interface handle failed\n", 198 USBDEVNAME(sc->sc_dev)); 199 USB_ATTACH_ERROR_RETURN; 200 } 201 202 sc->sc_udev = dev; 203 sc->sc_iface = iface; 204 205 epcount = 0; 206 (void)usbd_endpoint_count(iface, &epcount); 207 208 sc->sc_in_addr = -1; 209 sc->sc_intr_addr = -1; 210 sc->sc_out_addr = -1; 211 for (i = 0; i < epcount; i++) { 212 ed = usbd_interface2endpoint_descriptor(iface, i); 213 if (ed == NULL) { 214 printf("%s: couldn't get ep %d\n", 215 USBDEVNAME(sc->sc_dev), 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 printf("%s: missing endpoint\n", USBDEVNAME(sc->sc_dev)); 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 printf("%s: open in pipe failed, err=%d\n", 239 USBDEVNAME(sc->sc_dev), err); 240 USB_ATTACH_ERROR_RETURN; 241 } 242 243 /* The interrupt endpoint must be opened as a normal pipe. */ 244 err = usbd_open_pipe(sc->sc_iface, sc->sc_intr_addr, 245 USBD_EXCLUSIVE_USE, &sc->sc_intr_pipe); 246 247 if (err) { 248 printf("%s: open intr pipe failed, err=%d\n", 249 USBDEVNAME(sc->sc_dev), err); 250 usscanner_cleanup(sc); 251 USB_ATTACH_ERROR_RETURN; 252 } 253 err = usbd_open_pipe(sc->sc_iface, sc->sc_out_addr, 254 USBD_EXCLUSIVE_USE, &sc->sc_out_pipe); 255 if (err) { 256 printf("%s: open out pipe failed, err=%d\n", 257 USBDEVNAME(sc->sc_dev), err); 258 usscanner_cleanup(sc); 259 USB_ATTACH_ERROR_RETURN; 260 } 261 262 sc->sc_cmd_xfer = usbd_alloc_xfer(uaa->device); 263 if (sc->sc_cmd_xfer == NULL) { 264 printf("%s: alloc cmd xfer failed, err=%d\n", 265 USBDEVNAME(sc->sc_dev), err); 266 usscanner_cleanup(sc); 267 USB_ATTACH_ERROR_RETURN; 268 } 269 270 /* XXX too big */ 271 sc->sc_cmd_buffer = usbd_alloc_buffer(sc->sc_cmd_xfer, 272 USSCANNER_MAX_TRANSFER_SIZE); 273 if (sc->sc_cmd_buffer == NULL) { 274 printf("%s: alloc cmd buffer failed, err=%d\n", 275 USBDEVNAME(sc->sc_dev), err); 276 usscanner_cleanup(sc); 277 USB_ATTACH_ERROR_RETURN; 278 } 279 280 sc->sc_intr_xfer = usbd_alloc_xfer (uaa->device); 281 if (sc->sc_intr_xfer == NULL) { 282 printf("%s: alloc intr xfer failed, err=%d\n", 283 USBDEVNAME(sc->sc_dev), err); 284 usscanner_cleanup(sc); 285 USB_ATTACH_ERROR_RETURN; 286 } 287 288 sc->sc_data_xfer = usbd_alloc_xfer(uaa->device); 289 if (sc->sc_data_xfer == NULL) { 290 printf("%s: alloc data xfer failed, err=%d\n", 291 USBDEVNAME(sc->sc_dev), err); 292 usscanner_cleanup(sc); 293 USB_ATTACH_ERROR_RETURN; 294 } 295 sc->sc_data_buffer = usbd_alloc_buffer(sc->sc_data_xfer, 296 USSCANNER_MAX_TRANSFER_SIZE); 297 if (sc->sc_data_buffer == NULL) { 298 printf("%s: alloc data buffer failed, err=%d\n", 299 USBDEVNAME(sc->sc_dev), err); 300 usscanner_cleanup(sc); 301 USB_ATTACH_ERROR_RETURN; 302 } 303 304 /* 305 * Fill in the adapter. 306 */ 307 sc->sc_adapter.adapt_request = usscanner_scsipi_request; 308 sc->sc_adapter.adapt_dev = &sc->sc_dev; 309 sc->sc_adapter.adapt_nchannels = 1; 310 sc->sc_adapter.adapt_openings = 1; 311 sc->sc_adapter.adapt_max_periph = 1; 312 sc->sc_adapter.adapt_minphys = usscanner_scsipi_minphys; 313 314 /* 315 * fill in the scsipi_channel. 316 */ 317 sc->sc_channel.chan_adapter = &sc->sc_adapter; 318 sc->sc_channel.chan_bustype = &scsi_bustype; 319 sc->sc_channel.chan_channel = 0; 320 sc->sc_channel.chan_ntargets = USSCANNER_SCSIID_DEVICE + 1; 321 sc->sc_channel.chan_nluns = 1; 322 sc->sc_channel.chan_id = USSCANNER_SCSIID_HOST; 323 324 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 325 USBDEV(sc->sc_dev)); 326 327 sc->sc_child = config_found(&sc->sc_dev, &sc->sc_channel, scsiprint); 328 329 DPRINTFN(10, ("usscanner_attach: %p\n", sc->sc_udev)); 330 331 USB_ATTACH_SUCCESS_RETURN; 332 } 333 334 USB_DETACH(usscanner) 335 { 336 USB_DETACH_START(usscanner, sc); 337 int rv, s; 338 339 DPRINTF(("usscanner_detach: sc=%p flags=%d\n", sc, flags)); 340 341 sc->sc_dying = 1; 342 /* Abort all pipes. Causes processes waiting for transfer to wake. */ 343 if (sc->sc_in_pipe != NULL) 344 usbd_abort_pipe(sc->sc_in_pipe); 345 if (sc->sc_intr_pipe != NULL) 346 usbd_abort_pipe(sc->sc_intr_pipe); 347 if (sc->sc_out_pipe != NULL) 348 usbd_abort_pipe(sc->sc_out_pipe); 349 350 s = splusb(); 351 if (--sc->sc_refcnt >= 0) { 352 /* Wait for processes to go away. */ 353 usb_detach_wait(USBDEV(sc->sc_dev)); 354 } 355 splx(s); 356 357 if (sc->sc_child != NULL) 358 rv = config_detach(sc->sc_child, flags); 359 else 360 rv = 0; 361 362 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 363 USBDEV(sc->sc_dev)); 364 365 return (rv); 366 } 367 368 Static void 369 usscanner_cleanup(struct usscanner_softc *sc) 370 { 371 if (sc->sc_in_pipe != NULL) { 372 usbd_close_pipe(sc->sc_in_pipe); 373 sc->sc_in_pipe = NULL; 374 } 375 if (sc->sc_intr_pipe != NULL) { 376 usbd_close_pipe(sc->sc_intr_pipe); 377 sc->sc_intr_pipe = NULL; 378 } 379 if (sc->sc_out_pipe != NULL) { 380 usbd_close_pipe(sc->sc_out_pipe); 381 sc->sc_out_pipe = NULL; 382 } 383 if (sc->sc_cmd_xfer != NULL) { 384 usbd_free_xfer(sc->sc_cmd_xfer); 385 sc->sc_cmd_xfer = NULL; 386 } 387 if (sc->sc_data_xfer != NULL) { 388 usbd_free_xfer(sc->sc_data_xfer); 389 sc->sc_data_xfer = NULL; 390 } 391 } 392 393 int 394 usscanner_activate(device_ptr_t self, enum devact act) 395 { 396 struct usscanner_softc *sc = (struct usscanner_softc *)self; 397 398 switch (act) { 399 case DVACT_ACTIVATE: 400 return (EOPNOTSUPP); 401 402 case DVACT_DEACTIVATE: 403 sc->sc_dying = 1; 404 break; 405 } 406 return (0); 407 } 408 409 Static void 410 usscanner_scsipi_minphys(struct buf *bp) 411 { 412 if (bp->b_bcount > USSCANNER_MAX_TRANSFER_SIZE) 413 bp->b_bcount = USSCANNER_MAX_TRANSFER_SIZE; 414 minphys(bp); 415 } 416 417 Static void 418 usscanner_sense(struct usscanner_softc *sc) 419 { 420 struct scsipi_xfer *xs = sc->sc_xs; 421 struct scsipi_periph *periph = xs->xs_periph; 422 struct scsipi_sense sense_cmd; 423 usbd_status err; 424 425 /* fetch sense data */ 426 memset(&sense_cmd, 0, sizeof(sense_cmd)); 427 sense_cmd.opcode = REQUEST_SENSE; 428 sense_cmd.byte2 = periph->periph_lun << SCSI_CMD_LUN_SHIFT; 429 sense_cmd.length = sizeof xs->sense; 430 431 sc->sc_state = UAS_SENSECMD; 432 memcpy(sc->sc_cmd_buffer, &sense_cmd, sizeof sense_cmd); 433 usbd_setup_xfer(sc->sc_cmd_xfer, sc->sc_out_pipe, sc, sc->sc_cmd_buffer, 434 sizeof sense_cmd, USBD_NO_COPY, USSCANNER_TIMEOUT, 435 usscanner_sensecmd_cb); 436 err = usbd_transfer(sc->sc_cmd_xfer); 437 if (err == USBD_IN_PROGRESS) 438 return; 439 440 xs->error = XS_DRIVER_STUFFUP; 441 usscanner_done(sc); 442 } 443 444 Static void 445 usscanner_intr_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 446 usbd_status status) 447 { 448 struct usscanner_softc *sc = priv; 449 int s; 450 451 DPRINTFN(10, ("usscanner_data_cb status=%d\n", status)); 452 453 #ifdef USSCANNER_DEBUG 454 if (sc->sc_state != UAS_STATUS) { 455 printf("%s: !UAS_STATUS\n", USBDEVNAME(sc->sc_dev)); 456 } 457 if (sc->sc_status != 0) { 458 printf("%s: status byte=0x%02x\n", USBDEVNAME(sc->sc_dev), sc->sc_status); 459 } 460 #endif 461 /* XXX what should we do on non-0 status */ 462 463 sc->sc_state = UAS_IDLE; 464 465 s = splbio(); 466 scsipi_done(sc->sc_xs); 467 splx(s); 468 } 469 470 Static void 471 usscanner_data_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 472 usbd_status status) 473 { 474 struct usscanner_softc *sc = priv; 475 struct scsipi_xfer *xs = sc->sc_xs; 476 u_int32_t len; 477 478 DPRINTFN(10, ("usscanner_data_cb status=%d\n", status)); 479 480 #ifdef USSCANNER_DEBUG 481 if (sc->sc_state != UAS_DATA) { 482 printf("%s: !UAS_DATA\n", USBDEVNAME(sc->sc_dev)); 483 } 484 #endif 485 486 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 487 488 xs->resid = xs->datalen - len; 489 490 switch (status) { 491 case USBD_NORMAL_COMPLETION: 492 if (xs->xs_control & XS_CTL_DATA_IN) 493 memcpy(xs->data, sc->sc_data_buffer, len); 494 xs->error = XS_NOERROR; 495 break; 496 case USBD_TIMEOUT: 497 xs->error = XS_TIMEOUT; 498 break; 499 case USBD_CANCELLED: 500 if (xs->error == XS_SENSE) { 501 usscanner_sense(sc); 502 return; 503 } 504 break; 505 default: 506 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 507 break; 508 } 509 usscanner_done(sc); 510 } 511 512 Static void 513 usscanner_sensedata_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 514 usbd_status status) 515 { 516 struct usscanner_softc *sc = priv; 517 struct scsipi_xfer *xs = sc->sc_xs; 518 u_int32_t len; 519 520 DPRINTFN(10, ("usscanner_sensedata_cb status=%d\n", status)); 521 522 #ifdef USSCANNER_DEBUG 523 if (sc->sc_state != UAS_SENSEDATA) { 524 printf("%s: !UAS_SENSEDATA\n", USBDEVNAME(sc->sc_dev)); 525 } 526 #endif 527 528 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 529 530 switch (status) { 531 case USBD_NORMAL_COMPLETION: 532 memcpy(&xs->sense, sc->sc_data_buffer, len); 533 if (len < sizeof xs->sense) 534 xs->error = XS_SHORTSENSE; 535 break; 536 case USBD_TIMEOUT: 537 xs->error = XS_TIMEOUT; 538 break; 539 case USBD_CANCELLED: 540 xs->error = XS_RESET; 541 break; 542 default: 543 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 544 break; 545 } 546 usscanner_done(sc); 547 } 548 549 Static void 550 usscanner_done(struct usscanner_softc *sc) 551 { 552 struct scsipi_xfer *xs = sc->sc_xs; 553 usbd_status err; 554 555 DPRINTFN(10,("usscanner_done: error=%d\n", sc->sc_xs->error)); 556 557 sc->sc_state = UAS_STATUS; 558 usbd_setup_xfer(sc->sc_intr_xfer, sc->sc_intr_pipe, sc, &sc->sc_status, 559 1, USBD_SHORT_XFER_OK | USBD_NO_COPY, 560 USSCANNER_TIMEOUT, usscanner_intr_cb); 561 err = usbd_transfer(sc->sc_intr_xfer); 562 if (err == USBD_IN_PROGRESS) 563 return; 564 xs->error = XS_DRIVER_STUFFUP; 565 } 566 567 Static void 568 usscanner_sensecmd_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 569 usbd_status status) 570 { 571 struct usscanner_softc *sc = priv; 572 struct scsipi_xfer *xs = sc->sc_xs; 573 usbd_status err; 574 575 DPRINTFN(10, ("usscanner_sensecmd_cb status=%d\n", status)); 576 577 #ifdef USSCANNER_DEBUG 578 if (usscannerdebug > 15) 579 xs->xs_periph->periph_flags |= 1; /* XXX 1 */ 580 581 if (sc->sc_state != UAS_SENSECMD) { 582 printf("%s: !UAS_SENSECMD\n", USBDEVNAME(sc->sc_dev)); 583 xs->error = XS_DRIVER_STUFFUP; 584 goto done; 585 } 586 #endif 587 588 switch (status) { 589 case USBD_NORMAL_COMPLETION: 590 break; 591 case USBD_TIMEOUT: 592 xs->error = XS_TIMEOUT; 593 goto done; 594 default: 595 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 596 goto done; 597 } 598 599 sc->sc_state = UAS_SENSEDATA; 600 usbd_setup_xfer(sc->sc_data_xfer, sc->sc_in_pipe, sc, 601 sc->sc_data_buffer, 602 sizeof xs->sense, USBD_SHORT_XFER_OK | USBD_NO_COPY, 603 USSCANNER_TIMEOUT, usscanner_sensedata_cb); 604 err = usbd_transfer(sc->sc_data_xfer); 605 if (err == USBD_IN_PROGRESS) 606 return; 607 xs->error = XS_DRIVER_STUFFUP; 608 done: 609 usscanner_done(sc); 610 } 611 612 Static void 613 usscanner_cmd_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 614 usbd_status status) 615 { 616 struct usscanner_softc *sc = priv; 617 struct scsipi_xfer *xs = sc->sc_xs; 618 usbd_pipe_handle pipe; 619 usbd_status err; 620 621 DPRINTFN(10, ("usscanner_cmd_cb status=%d\n", status)); 622 623 #ifdef USSCANNER_DEBUG 624 if (usscannerdebug > 15) 625 xs->xs_periph->periph_flags |= 1; /* XXX 1 */ 626 627 if (sc->sc_state != UAS_CMD) { 628 printf("%s: !UAS_CMD\n", USBDEVNAME(sc->sc_dev)); 629 xs->error = XS_DRIVER_STUFFUP; 630 goto done; 631 } 632 #endif 633 634 switch (status) { 635 case USBD_NORMAL_COMPLETION: 636 break; 637 case USBD_TIMEOUT: 638 xs->error = XS_TIMEOUT; 639 goto done; 640 case USBD_CANCELLED: 641 goto done; 642 default: 643 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 644 goto done; 645 } 646 647 if (xs->datalen == 0) { 648 DPRINTFN(4, ("usscanner_cmd_cb: no data phase\n")); 649 xs->error = XS_NOERROR; 650 goto done; 651 } 652 653 if (xs->xs_control & XS_CTL_DATA_IN) { 654 DPRINTFN(4, ("usscanner_cmd_cb: data in len=%d\n", 655 xs->datalen)); 656 pipe = sc->sc_in_pipe; 657 } else { 658 DPRINTFN(4, ("usscanner_cmd_cb: data out len=%d\n", 659 xs->datalen)); 660 memcpy(sc->sc_data_buffer, xs->data, xs->datalen); 661 pipe = sc->sc_out_pipe; 662 } 663 sc->sc_state = UAS_DATA; 664 usbd_setup_xfer(sc->sc_data_xfer, pipe, sc, sc->sc_data_buffer, 665 xs->datalen, USBD_SHORT_XFER_OK | USBD_NO_COPY, 666 xs->timeout, usscanner_data_cb); 667 err = usbd_transfer(sc->sc_data_xfer); 668 if (err == USBD_IN_PROGRESS) 669 return; 670 xs->error = XS_DRIVER_STUFFUP; 671 672 done: 673 usscanner_done(sc); 674 } 675 676 Static void 677 usscanner_scsipi_request(chan, req, arg) 678 struct scsipi_channel *chan; 679 scsipi_adapter_req_t req; 680 void *arg; 681 { 682 struct scsipi_xfer *xs; 683 struct scsipi_periph *periph; 684 struct usscanner_softc *sc = (void *)chan->chan_adapter->adapt_dev; 685 usbd_status err; 686 687 switch (req) { 688 case ADAPTER_REQ_RUN_XFER: 689 xs = arg; 690 periph = xs->xs_periph; 691 692 DPRINTFN(8, ("%s: usscanner_scsipi_request: %d:%d " 693 "xs=%p cmd=0x%02x datalen=%d (quirks=0x%x, poll=%d)\n", 694 USBDEVNAME(sc->sc_dev), 695 periph->periph_target, periph->periph_lun, 696 xs, xs->cmd->opcode, xs->datalen, 697 periph->periph_quirks, xs->xs_control & XS_CTL_POLL)); 698 699 if (sc->sc_dying) { 700 xs->error = XS_DRIVER_STUFFUP; 701 goto done; 702 } 703 704 #ifdef USSCANNER_DEBUG 705 if (periph->periph_target != USSCANNER_SCSIID_DEVICE) { 706 DPRINTF(("%s: wrong SCSI ID %d\n", 707 USBDEVNAME(sc->sc_dev), periph->periph_target)); 708 xs->error = XS_DRIVER_STUFFUP; 709 goto done; 710 } 711 if (sc->sc_state != UAS_IDLE) { 712 printf("%s: !UAS_IDLE\n", USBDEVNAME(sc->sc_dev)); 713 xs->error = XS_DRIVER_STUFFUP; 714 goto done; 715 } 716 #endif 717 718 if (xs->datalen > USSCANNER_MAX_TRANSFER_SIZE) { 719 printf("%s: usscanner_scsipi_request: large datalen," 720 " %d\n", USBDEVNAME(sc->sc_dev), xs->datalen); 721 xs->error = XS_DRIVER_STUFFUP; 722 goto done; 723 } 724 725 DPRINTFN(4, ("%s: usscanner_scsipi_request: async cmdlen=%d" 726 " datalen=%d\n", USBDEVNAME(sc->sc_dev), xs->cmdlen, 727 xs->datalen)); 728 sc->sc_state = UAS_CMD; 729 sc->sc_xs = xs; 730 memcpy(sc->sc_cmd_buffer, xs->cmd, xs->cmdlen); 731 usbd_setup_xfer(sc->sc_cmd_xfer, sc->sc_out_pipe, sc, 732 sc->sc_cmd_buffer, xs->cmdlen, USBD_NO_COPY, 733 USSCANNER_TIMEOUT, usscanner_cmd_cb); 734 err = usbd_transfer(sc->sc_cmd_xfer); 735 if (err != USBD_IN_PROGRESS) { 736 xs->error = XS_DRIVER_STUFFUP; 737 goto done; 738 } 739 740 return; 741 742 743 done: 744 sc->sc_state = UAS_IDLE; 745 scsipi_done(xs); 746 return; 747 748 case ADAPTER_REQ_GROW_RESOURCES: 749 /* XXX Not supported. */ 750 return; 751 case ADAPTER_REQ_SET_XFER_MODE: 752 /* XXX Not supported. */ 753 return; 754 } 755 756 }
Cache object: b9b24805d500bad5773fe77ff63e2b4c
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