usscanner.c revision 1.21.14.3 1 /* $NetBSD: usscanner.c,v 1.21.14.3 2007/06/18 14:16:11 itohy 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 1.21.14.3 2007/06/18 14:16:11 itohy 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_datain_xfer;
120 usbd_xfer_handle sc_dataout_xfer;
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 #ifndef USB_USE_IFATTACH
164 if (uaa->iface != NULL)
165 return (UMATCH_NONE);
166 #endif /* USB_USE_IFATTACH */
167
168 if (uaa->vendor == USB_VENDOR_HP &&
169 uaa->product == USB_PRODUCT_HP_5300C)
170 return (UMATCH_VENDOR_PRODUCT);
171 else
172 return (UMATCH_NONE);
173 }
174
175 USB_ATTACH(usscanner)
176 {
177 USB_ATTACH_START(usscanner, sc, uaa);
178 usbd_device_handle dev = uaa->device;
179 usbd_interface_handle iface;
180 char *devinfop;
181 usbd_status err;
182 usb_endpoint_descriptor_t *ed;
183 u_int8_t epcount;
184 int i;
185
186 DPRINTFN(10,("usscanner_attach: sc=%p\n", sc));
187
188 devinfop = usbd_devinfo_alloc(dev, 0);
189 USB_ATTACH_SETUP;
190 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfop);
191 usbd_devinfo_free(devinfop);
192
193 err = usbd_set_config_no(dev, USSCANNER_CONFIG_NO, 1);
194 if (err) {
195 printf("%s: setting config no failed\n",
196 USBDEVNAME(sc->sc_dev));
197 USB_ATTACH_ERROR_RETURN;
198 }
199
200 err = usbd_device2interface_handle(dev, USSCANNER_IFACE_IDX, &iface);
201 if (err) {
202 printf("%s: getting interface handle failed\n",
203 USBDEVNAME(sc->sc_dev));
204 USB_ATTACH_ERROR_RETURN;
205 }
206
207 sc->sc_udev = dev;
208 sc->sc_iface = iface;
209
210 epcount = 0;
211 (void)usbd_endpoint_count(iface, &epcount);
212
213 sc->sc_in_addr = -1;
214 sc->sc_intr_addr = -1;
215 sc->sc_out_addr = -1;
216 for (i = 0; i < epcount; i++) {
217 ed = usbd_interface2endpoint_descriptor(iface, i);
218 if (ed == NULL) {
219 printf("%s: couldn't get ep %d\n",
220 USBDEVNAME(sc->sc_dev), i);
221 USB_ATTACH_ERROR_RETURN;
222 }
223 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
224 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
225 sc->sc_in_addr = ed->bEndpointAddress;
226 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
227 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
228 sc->sc_intr_addr = ed->bEndpointAddress;
229 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
230 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
231 sc->sc_out_addr = ed->bEndpointAddress;
232 }
233 }
234 if (sc->sc_in_addr == -1 || sc->sc_intr_addr == -1 ||
235 sc->sc_out_addr == -1) {
236 printf("%s: missing endpoint\n", USBDEVNAME(sc->sc_dev));
237 USB_ATTACH_ERROR_RETURN;
238 }
239
240 err = usbd_open_pipe(sc->sc_iface, sc->sc_in_addr,
241 USBD_EXCLUSIVE_USE, &sc->sc_in_pipe);
242 if (err) {
243 printf("%s: open in pipe failed, err=%d\n",
244 USBDEVNAME(sc->sc_dev), err);
245 USB_ATTACH_ERROR_RETURN;
246 }
247
248 /* The interrupt endpoint must be opened as a normal pipe. */
249 err = usbd_open_pipe(sc->sc_iface, sc->sc_intr_addr,
250 USBD_EXCLUSIVE_USE, &sc->sc_intr_pipe);
251
252 if (err) {
253 printf("%s: open intr pipe failed, err=%d\n",
254 USBDEVNAME(sc->sc_dev), err);
255 usscanner_cleanup(sc);
256 USB_ATTACH_ERROR_RETURN;
257 }
258 err = usbd_open_pipe(sc->sc_iface, sc->sc_out_addr,
259 USBD_EXCLUSIVE_USE, &sc->sc_out_pipe);
260 if (err) {
261 printf("%s: open out pipe failed, err=%d\n",
262 USBDEVNAME(sc->sc_dev), err);
263 usscanner_cleanup(sc);
264 USB_ATTACH_ERROR_RETURN;
265 }
266
267 sc->sc_cmd_xfer = usbd_alloc_xfer(uaa->device, sc->sc_out_pipe);
268 if (sc->sc_cmd_xfer == NULL) {
269 printf("%s: alloc cmd xfer failed, err=%d\n",
270 USBDEVNAME(sc->sc_dev), err);
271 usscanner_cleanup(sc);
272 USB_ATTACH_ERROR_RETURN;
273 }
274
275 /* XXX too big */
276 sc->sc_cmd_buffer = usbd_alloc_buffer(sc->sc_cmd_xfer,
277 USSCANNER_MAX_TRANSFER_SIZE);
278 if (sc->sc_cmd_buffer == NULL) {
279 printf("%s: alloc cmd buffer failed, err=%d\n",
280 USBDEVNAME(sc->sc_dev), err);
281 usscanner_cleanup(sc);
282 USB_ATTACH_ERROR_RETURN;
283 }
284
285 sc->sc_intr_xfer = usbd_alloc_xfer(uaa->device, sc->sc_intr_pipe);
286 if (sc->sc_intr_xfer == NULL) {
287 printf("%s: alloc intr xfer failed, err=%d\n",
288 USBDEVNAME(sc->sc_dev), err);
289 usscanner_cleanup(sc);
290 USB_ATTACH_ERROR_RETURN;
291 }
292
293 sc->sc_datain_xfer = usbd_alloc_xfer(uaa->device, sc->sc_in_pipe);
294 if (sc->sc_datain_xfer == NULL) {
295 printf("%s: alloc data xfer failed, err=%d\n",
296 USBDEVNAME(sc->sc_dev), err);
297 usscanner_cleanup(sc);
298 USB_ATTACH_ERROR_RETURN;
299 }
300 err = usbd_map_alloc(sc->sc_datain_xfer);
301 if (err) {
302 printf("%s: alloc map failed, err=%d\n",
303 USBDEVNAME(sc->sc_dev), err);
304 usscanner_cleanup(sc);
305 USB_ATTACH_ERROR_RETURN;
306 }
307
308 sc->sc_dataout_xfer = usbd_alloc_xfer(uaa->device, sc->sc_out_pipe);
309 if (sc->sc_dataout_xfer == NULL) {
310 printf("%s: alloc data xfer failed, err=%d\n",
311 USBDEVNAME(sc->sc_dev), err);
312 usscanner_cleanup(sc);
313 USB_ATTACH_ERROR_RETURN;
314 }
315 err = usbd_map_alloc(sc->sc_dataout_xfer);
316 if (err) {
317 printf("%s: alloc map failed, err=%d\n",
318 USBDEVNAME(sc->sc_dev), err);
319 usscanner_cleanup(sc);
320 USB_ATTACH_ERROR_RETURN;
321 }
322
323 /*
324 * Fill in the adapter.
325 */
326 sc->sc_adapter.adapt_request = usscanner_scsipi_request;
327 sc->sc_adapter.adapt_dev = &sc->sc_dev;
328 sc->sc_adapter.adapt_nchannels = 1;
329 sc->sc_adapter.adapt_openings = 1;
330 sc->sc_adapter.adapt_max_periph = 1;
331 sc->sc_adapter.adapt_minphys = usscanner_scsipi_minphys;
332
333 #if NSCSIBUS > 0
334 /*
335 * fill in the scsipi_channel.
336 */
337 sc->sc_channel.chan_adapter = &sc->sc_adapter;
338 sc->sc_channel.chan_bustype = &scsi_bustype;
339 sc->sc_channel.chan_channel = 0;
340 sc->sc_channel.chan_ntargets = USSCANNER_SCSIID_DEVICE + 1;
341 sc->sc_channel.chan_nluns = 1;
342 sc->sc_channel.chan_id = USSCANNER_SCSIID_HOST;
343
344 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
345 USBDEV(sc->sc_dev));
346
347 sc->sc_child = config_found(&sc->sc_dev, &sc->sc_channel, scsiprint);
348
349 DPRINTFN(10, ("usscanner_attach: %p\n", sc->sc_udev));
350
351 USB_ATTACH_SUCCESS_RETURN;
352
353 #else
354 /* No SCSI bus, just ignore it */
355 usscanner_cleanup(sc);
356
357 printf("%s: no scsibus configured, see usscanner(4) for details\n",
358 USBDEVNAME(sc->sc_dev));
359
360 USB_ATTACH_ERROR_RETURN;
361
362 #endif
363 }
364
365 USB_DETACH(usscanner)
366 {
367 USB_DETACH_START(usscanner, sc);
368 int rv, s;
369
370 DPRINTF(("usscanner_detach: sc=%p flags=%d\n", sc, flags));
371
372 sc->sc_dying = 1;
373 /* Abort all pipes. Causes processes waiting for transfer to wake. */
374 if (sc->sc_in_pipe != NULL)
375 usbd_abort_pipe(sc->sc_in_pipe);
376 if (sc->sc_intr_pipe != NULL)
377 usbd_abort_pipe(sc->sc_intr_pipe);
378 if (sc->sc_out_pipe != NULL)
379 usbd_abort_pipe(sc->sc_out_pipe);
380
381 s = splusb();
382 if (--sc->sc_refcnt >= 0) {
383 /* Wait for processes to go away. */
384 usb_detach_wait(USBDEV(sc->sc_dev));
385 }
386 splx(s);
387
388 if (sc->sc_child != NULL)
389 rv = config_detach(sc->sc_child, flags);
390 else
391 rv = 0;
392
393 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
394 USBDEV(sc->sc_dev));
395
396 return (rv);
397 }
398
399 Static void
400 usscanner_cleanup(struct usscanner_softc *sc)
401 {
402 if (sc->sc_cmd_xfer != NULL) {
403 usbd_free_xfer(sc->sc_cmd_xfer);
404 sc->sc_cmd_xfer = NULL;
405 }
406 if (sc->sc_datain_xfer != NULL) {
407 usbd_free_xfer(sc->sc_datain_xfer);
408 sc->sc_datain_xfer = NULL;
409 }
410 if (sc->sc_dataout_xfer != NULL) {
411 usbd_free_xfer(sc->sc_dataout_xfer);
412 sc->sc_dataout_xfer = NULL;
413 }
414 if (sc->sc_in_pipe != NULL) {
415 usbd_close_pipe(sc->sc_in_pipe);
416 sc->sc_in_pipe = NULL;
417 }
418 if (sc->sc_intr_pipe != NULL) {
419 usbd_close_pipe(sc->sc_intr_pipe);
420 sc->sc_intr_pipe = NULL;
421 }
422 if (sc->sc_out_pipe != NULL) {
423 usbd_close_pipe(sc->sc_out_pipe);
424 sc->sc_out_pipe = NULL;
425 }
426 }
427
428 int
429 usscanner_activate(device_ptr_t self, enum devact act)
430 {
431 struct usscanner_softc *sc = (struct usscanner_softc *)self;
432
433 switch (act) {
434 case DVACT_ACTIVATE:
435 return (EOPNOTSUPP);
436
437 case DVACT_DEACTIVATE:
438 sc->sc_dying = 1;
439 break;
440 }
441 return (0);
442 }
443
444 Static void
445 usscanner_scsipi_minphys(struct buf *bp)
446 {
447 if (bp->b_bcount > USSCANNER_MAX_TRANSFER_SIZE)
448 bp->b_bcount = USSCANNER_MAX_TRANSFER_SIZE;
449 minphys(bp);
450 }
451
452 Static void
453 usscanner_sense(struct usscanner_softc *sc)
454 {
455 struct scsipi_xfer *xs = sc->sc_xs;
456 struct scsipi_periph *periph = xs->xs_periph;
457 struct scsi_request_sense sense_cmd;
458 usbd_status err;
459
460 /* fetch sense data */
461 memset(&sense_cmd, 0, sizeof(sense_cmd));
462 sense_cmd.opcode = SCSI_REQUEST_SENSE;
463 sense_cmd.byte2 = periph->periph_lun << SCSI_CMD_LUN_SHIFT;
464 sense_cmd.length = sizeof xs->sense;
465
466 sc->sc_state = UAS_SENSECMD;
467 memcpy(sc->sc_cmd_buffer, &sense_cmd, sizeof sense_cmd);
468 usbd_setup_xfer(sc->sc_cmd_xfer, sc->sc_out_pipe, sc, sc->sc_cmd_buffer,
469 sizeof sense_cmd, USBD_NO_COPY, USSCANNER_TIMEOUT,
470 usscanner_sensecmd_cb);
471 err = usbd_transfer(sc->sc_cmd_xfer);
472 if (err == USBD_IN_PROGRESS)
473 return;
474
475 xs->error = XS_DRIVER_STUFFUP;
476 usscanner_done(sc);
477 }
478
479 Static void
480 usscanner_intr_cb(usbd_xfer_handle xfer, usbd_private_handle priv,
481 usbd_status status)
482 {
483 struct usscanner_softc *sc = priv;
484 int s;
485
486 DPRINTFN(10, ("usscanner_intr_cb status=%d\n", status));
487
488 #ifdef USSCANNER_DEBUG
489 if (sc->sc_state != UAS_STATUS) {
490 printf("%s: !UAS_STATUS\n", USBDEVNAME(sc->sc_dev));
491 }
492 if (sc->sc_status != 0) {
493 printf("%s: status byte=0x%02x\n", USBDEVNAME(sc->sc_dev), sc->sc_status);
494 }
495 #endif
496 /* XXX what should we do on non-0 status */
497
498 sc->sc_state = UAS_IDLE;
499
500 s = splbio();
501 scsipi_done(sc->sc_xs);
502 splx(s);
503 }
504
505 Static void
506 usscanner_data_cb(usbd_xfer_handle xfer, usbd_private_handle priv,
507 usbd_status status)
508 {
509 struct usscanner_softc *sc = priv;
510 struct scsipi_xfer *xs = sc->sc_xs;
511 u_int32_t len;
512
513 DPRINTFN(10, ("usscanner_data_cb status=%d\n", status));
514
515 #ifdef USSCANNER_DEBUG
516 if (sc->sc_state != UAS_DATA) {
517 printf("%s: !UAS_DATA\n", USBDEVNAME(sc->sc_dev));
518 }
519 #endif
520
521 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
522
523 xs->resid = xs->datalen - len;
524
525 usbd_unmap_buffer(xfer);
526
527 switch (status) {
528 case USBD_NORMAL_COMPLETION:
529 xs->error = XS_NOERROR;
530 break;
531 case USBD_TIMEOUT:
532 xs->error = XS_TIMEOUT;
533 break;
534 case USBD_CANCELLED:
535 if (xs->error == XS_SENSE) {
536 usscanner_sense(sc);
537 return;
538 }
539 break;
540 default:
541 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */
542 break;
543 }
544 usscanner_done(sc);
545 }
546
547 Static void
548 usscanner_sensedata_cb(usbd_xfer_handle xfer, usbd_private_handle priv,
549 usbd_status status)
550 {
551 struct usscanner_softc *sc = priv;
552 struct scsipi_xfer *xs = sc->sc_xs;
553 u_int32_t len;
554
555 DPRINTFN(10, ("usscanner_sensedata_cb status=%d\n", status));
556
557 #ifdef USSCANNER_DEBUG
558 if (sc->sc_state != UAS_SENSEDATA) {
559 printf("%s: !UAS_SENSEDATA\n", USBDEVNAME(sc->sc_dev));
560 }
561 #endif
562
563 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
564 usbd_unmap_buffer(xfer);
565
566 switch (status) {
567 case USBD_NORMAL_COMPLETION:
568 if (len < sizeof xs->sense)
569 xs->error = XS_SHORTSENSE;
570 break;
571 case USBD_TIMEOUT:
572 xs->error = XS_TIMEOUT;
573 break;
574 case USBD_CANCELLED:
575 xs->error = XS_RESET;
576 break;
577 default:
578 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */
579 break;
580 }
581 usscanner_done(sc);
582 }
583
584 Static void
585 usscanner_done(struct usscanner_softc *sc)
586 {
587 struct scsipi_xfer *xs = sc->sc_xs;
588 usbd_status err;
589
590 DPRINTFN(10,("usscanner_done: error=%d\n", sc->sc_xs->error));
591
592 sc->sc_state = UAS_STATUS;
593 usbd_setup_xfer(sc->sc_intr_xfer, sc->sc_intr_pipe, sc, &sc->sc_status,
594 1, USBD_SHORT_XFER_OK | USBD_NO_COPY,
595 USSCANNER_TIMEOUT, usscanner_intr_cb);
596 err = usbd_transfer(sc->sc_intr_xfer);
597 if (err == USBD_IN_PROGRESS)
598 return;
599 xs->error = XS_DRIVER_STUFFUP;
600 }
601
602 Static void
603 usscanner_sensecmd_cb(usbd_xfer_handle xfer, usbd_private_handle priv,
604 usbd_status status)
605 {
606 struct usscanner_softc *sc = priv;
607 struct scsipi_xfer *xs = sc->sc_xs;
608 usbd_status err;
609
610 DPRINTFN(10, ("usscanner_sensecmd_cb status=%d\n", status));
611
612 #ifdef USSCANNER_DEBUG
613 if (usscannerdebug > 15)
614 xs->xs_periph->periph_flags |= 1; /* XXX 1 */
615
616 if (sc->sc_state != UAS_SENSECMD) {
617 printf("%s: !UAS_SENSECMD\n", USBDEVNAME(sc->sc_dev));
618 xs->error = XS_DRIVER_STUFFUP;
619 goto done;
620 }
621 #endif
622
623 switch (status) {
624 case USBD_NORMAL_COMPLETION:
625 break;
626 case USBD_TIMEOUT:
627 xs->error = XS_TIMEOUT;
628 goto done;
629 default:
630 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */
631 goto done;
632 }
633
634 sc->sc_state = UAS_SENSEDATA;
635 usbd_map_buffer(xfer, &xs->sense, sizeof xs->sense);
636 usbd_setup_xfer(sc->sc_datain_xfer, sc->sc_in_pipe, sc,
637 &xs->sense,
638 sizeof xs->sense, USBD_SHORT_XFER_OK | USBD_NO_COPY,
639 USSCANNER_TIMEOUT, usscanner_sensedata_cb);
640 err = usbd_transfer(sc->sc_datain_xfer);
641 if (err == USBD_IN_PROGRESS)
642 return;
643 xs->error = XS_DRIVER_STUFFUP;
644 done:
645 usscanner_done(sc);
646 }
647
648 Static void
649 usscanner_cmd_cb(usbd_xfer_handle xfer, usbd_private_handle priv,
650 usbd_status status)
651 {
652 struct usscanner_softc *sc = priv;
653 struct scsipi_xfer *xs = sc->sc_xs;
654 usbd_pipe_handle pipe;
655 usbd_status err;
656
657 DPRINTFN(10, ("usscanner_cmd_cb status=%d\n", status));
658
659 #ifdef USSCANNER_DEBUG
660 if (usscannerdebug > 15)
661 xs->xs_periph->periph_flags |= 1; /* XXX 1 */
662
663 if (sc->sc_state != UAS_CMD) {
664 printf("%s: !UAS_CMD\n", USBDEVNAME(sc->sc_dev));
665 xs->error = XS_DRIVER_STUFFUP;
666 goto done;
667 }
668 #endif
669
670 switch (status) {
671 case USBD_NORMAL_COMPLETION:
672 break;
673 case USBD_TIMEOUT:
674 xs->error = XS_TIMEOUT;
675 goto done;
676 case USBD_CANCELLED:
677 goto done;
678 default:
679 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */
680 goto done;
681 }
682
683 if (xs->datalen == 0) {
684 DPRINTFN(4, ("usscanner_cmd_cb: no data phase\n"));
685 xs->error = XS_NOERROR;
686 goto done;
687 }
688
689 if (xs->xs_control & XS_CTL_DATA_IN) {
690 DPRINTFN(4, ("usscanner_cmd_cb: data in len=%d\n",
691 xs->datalen));
692 xfer = sc->sc_datain_xfer;
693 pipe = sc->sc_in_pipe;
694 } else {
695 DPRINTFN(4, ("usscanner_cmd_cb: data out len=%d\n",
696 xs->datalen));
697 xfer = sc->sc_dataout_xfer;
698 pipe = sc->sc_out_pipe;
699 }
700 sc->sc_state = UAS_DATA;
701 usbd_map_buffer(xfer, xs->data, xs->datalen);
702 usbd_setup_xfer(xfer, pipe, sc, xs->data,
703 xs->datalen, USBD_SHORT_XFER_OK | USBD_NO_COPY,
704 xs->timeout, usscanner_data_cb);
705 err = usbd_transfer(xfer);
706 if (err == USBD_IN_PROGRESS)
707 return;
708 xs->error = XS_DRIVER_STUFFUP;
709
710 done:
711 usscanner_done(sc);
712 }
713
714 Static void
715 usscanner_scsipi_request(chan, req, arg)
716 struct scsipi_channel *chan;
717 scsipi_adapter_req_t req;
718 void *arg;
719 {
720 struct scsipi_xfer *xs;
721 struct scsipi_periph *periph;
722 struct usscanner_softc *sc = (void *)chan->chan_adapter->adapt_dev;
723 usbd_status err;
724
725 switch (req) {
726 case ADAPTER_REQ_RUN_XFER:
727 xs = arg;
728 periph = xs->xs_periph;
729
730 DPRINTFN(8, ("%s: usscanner_scsipi_request: %d:%d "
731 "xs=%p cmd=0x%02x datalen=%d (quirks=0x%x, poll=%d)\n",
732 USBDEVNAME(sc->sc_dev),
733 periph->periph_target, periph->periph_lun,
734 xs, xs->cmd->opcode, xs->datalen,
735 periph->periph_quirks, xs->xs_control & XS_CTL_POLL));
736
737 if (sc->sc_dying) {
738 xs->error = XS_DRIVER_STUFFUP;
739 goto done;
740 }
741
742 #ifdef USSCANNER_DEBUG
743 if (periph->periph_target != USSCANNER_SCSIID_DEVICE) {
744 DPRINTF(("%s: wrong SCSI ID %d\n",
745 USBDEVNAME(sc->sc_dev), periph->periph_target));
746 xs->error = XS_DRIVER_STUFFUP;
747 goto done;
748 }
749 if (sc->sc_state != UAS_IDLE) {
750 printf("%s: !UAS_IDLE\n", USBDEVNAME(sc->sc_dev));
751 xs->error = XS_DRIVER_STUFFUP;
752 goto done;
753 }
754 #endif
755
756 if (xs->datalen > USSCANNER_MAX_TRANSFER_SIZE) {
757 printf("%s: usscanner_scsipi_request: large datalen,"
758 " %d\n", USBDEVNAME(sc->sc_dev), xs->datalen);
759 xs->error = XS_DRIVER_STUFFUP;
760 goto done;
761 }
762
763 DPRINTFN(4, ("%s: usscanner_scsipi_request: async cmdlen=%d"
764 " datalen=%d\n", USBDEVNAME(sc->sc_dev), xs->cmdlen,
765 xs->datalen));
766 sc->sc_state = UAS_CMD;
767 sc->sc_xs = xs;
768 memcpy(sc->sc_cmd_buffer, xs->cmd, xs->cmdlen);
769 usbd_setup_xfer(sc->sc_cmd_xfer, sc->sc_out_pipe, sc,
770 sc->sc_cmd_buffer, xs->cmdlen, USBD_NO_COPY,
771 USSCANNER_TIMEOUT, usscanner_cmd_cb);
772 err = usbd_transfer(sc->sc_cmd_xfer);
773 if (err != USBD_IN_PROGRESS) {
774 xs->error = XS_DRIVER_STUFFUP;
775 goto done;
776 }
777
778 return;
779
780
781 done:
782 sc->sc_state = UAS_IDLE;
783 scsipi_done(xs);
784 return;
785
786 case ADAPTER_REQ_GROW_RESOURCES:
787 /* XXX Not supported. */
788 return;
789 case ADAPTER_REQ_SET_XFER_MODE:
790 /* XXX Not supported. */
791 return;
792 }
793
794 }
795