2 * $NetBSD: uscanner.c,v 1.30 2002/07/11 21:14:36 augustss Exp $
3 * $FreeBSD: src/sys/dev/usb/uscanner.c,v 1.48 2003/12/22 19:58:27 sanpei Exp $
4 * $DragonFly: src/sys/dev/usbmisc/uscanner/uscanner.c,v 1.23 2007/08/07 10:42:41 hasso Exp $
7 /* Also already merged from NetBSD:
8 * $NetBSD: uscanner.c,v 1.33 2002/09/23 05:51:24 simonb Exp $
12 * Copyright (c) 2000 The NetBSD Foundation, Inc.
13 * All rights reserved.
15 * This code is derived from software contributed to The NetBSD Foundation
16 * by Lennart Augustsson (lennart@augustsson.net) at
17 * Carlstedt Research & Technology
18 * and Nick Hibma (n_hibma@qubesoft.com).
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in the
27 * documentation and/or other materials provided with the distribution.
28 * 3. All advertising materials mentioning features or use of this software
29 * must display the following acknowledgement:
30 * This product includes software developed by the NetBSD
31 * Foundation, Inc. and its contributors.
32 * 4. Neither the name of The NetBSD Foundation nor the names of its
33 * contributors may be used to endorse or promote products derived
34 * from this software without specific prior written permission.
36 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
37 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
38 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
40 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
41 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
42 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
43 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
44 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
46 * POSSIBILITY OF SUCH DAMAGE.
50 #include <sys/param.h>
51 #include <sys/systm.h>
52 #include <sys/kernel.h>
53 #include <sys/malloc.h>
54 #include <sys/module.h>
57 #include <sys/fcntl.h>
58 #include <sys/filio.h>
61 #include <sys/select.h>
65 #include <sys/sysctl.h>
66 #include <sys/thread2.h>
68 #include <bus/usb/usb.h>
69 #include <bus/usb/usbdi.h>
70 #include <bus/usb/usbdi_util.h>
72 #include <bus/usb/usbdevs.h>
75 #define DPRINTF(x) if (uscannerdebug) kprintf x
76 #define DPRINTFN(n,x) if (uscannerdebug>(n)) kprintf x
77 int uscannerdebug = 0;
78 SYSCTL_NODE(_hw_usb, OID_AUTO, uscanner, CTLFLAG_RW, 0, "USB uscanner");
79 SYSCTL_INT(_hw_usb_uscanner, OID_AUTO, debug, CTLFLAG_RW,
80 &uscannerdebug, 0, "uscanner debug level");
87 struct usb_devno devno;
89 #define USC_KEEP_OPEN 1
92 /* Table of scanners that may work with this driver. */
93 static const struct uscan_info uscanner_devs[] = {
94 /* Acer Peripherals */
95 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_320U }, 0 },
96 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_640U }, 0 },
97 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_620U }, 0 },
98 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_C310U }, 0 },
101 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1236U }, 0 },
102 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1212U }, 0 },
103 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1212U2 }, 0 },
104 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANTOUCH }, 0 },
105 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE40 }, 0 },
106 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE50 }, 0 },
107 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE20 }, 0 },
108 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE25 }, 0 },
109 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE26 }, 0 },
110 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE52 }, 0 },
113 {{ USB_VENDOR_AVISION, USB_PRODUCT_AVISION_1200U }, 0 },
116 {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_N656U }, 0 },
117 {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_N676U }, 0 },
118 {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_D660U }, 0 },
121 {{ USB_VENDOR_KYE, USB_PRODUCT_KYE_VIVIDPRO }, 0 },
124 {{ USB_VENDOR_HP, USB_PRODUCT_HP_2200C }, 0 },
125 {{ USB_VENDOR_HP, USB_PRODUCT_HP_3300C }, 0 },
126 {{ USB_VENDOR_HP, USB_PRODUCT_HP_3400CSE }, 0 },
127 {{ USB_VENDOR_HP, USB_PRODUCT_HP_4100C }, 0 },
128 {{ USB_VENDOR_HP, USB_PRODUCT_HP_4200C }, 0 },
129 {{ USB_VENDOR_HP, USB_PRODUCT_HP_4300C }, 0 },
130 {{ USB_VENDOR_HP, USB_PRODUCT_HP_S20 }, 0 },
131 {{ USB_VENDOR_HP, USB_PRODUCT_HP_5200C }, 0 },
132 {{ USB_VENDOR_HP, USB_PRODUCT_HP_5300C }, 0 },
133 {{ USB_VENDOR_HP, USB_PRODUCT_HP_5400C }, 0 },
134 {{ USB_VENDOR_HP, USB_PRODUCT_HP_6200C }, 0 },
135 {{ USB_VENDOR_HP, USB_PRODUCT_HP_6300C }, 0 },
138 {{ USB_VENDOR_SCANLOGIC, USB_PRODUCT_SCANLOGIC_336CX }, 0 },
139 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_X6U }, 0 },
140 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_336CX }, 0 },
141 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_336CX2 }, 0 },
142 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_C6 }, 0 },
143 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6USL }, 0 },
144 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6USL2 }, 0 },
145 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6UL }, 0 },
148 {{ USB_VENDOR_MINOLTA, USB_PRODUCT_MINOLTA_5400 }, 0 },
151 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200CU }, 0 },
152 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_BEARPAW1200F }, 0 },
153 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_BEARPAW1200TA }, 0 },
154 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_600USB }, 0 },
155 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_600CU }, 0 },
156 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200USB }, 0 },
157 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200UB }, 0 },
158 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200USBPLUS }, 0 },
159 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200CUPLUS }, 0 },
162 {{ USB_VENDOR_NATIONAL, USB_PRODUCT_NATIONAL_BEARPAW1200 }, 0 },
163 {{ USB_VENDOR_NATIONAL, USB_PRODUCT_NATIONAL_BEARPAW2400 }, 0 },
166 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2X300 }, 0 },
167 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E300 }, 0 },
168 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2300 }, 0 },
169 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E3002 }, 0 },
170 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_9600 }, 0 },
171 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_600U }, 0 },
172 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_6200 }, 0 },
173 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_19200 }, 0 },
174 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_1200U }, 0 },
175 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G600 }, 0 },
176 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_636I }, 0 },
177 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2600 }, 0 },
178 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E600 }, 0 },
181 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_636 }, 0 },
182 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_610 }, 0 },
183 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1200 }, 0 },
184 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1240 }, 0 },
185 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1250 }, 0 },
186 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1600 }, 0 },
187 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1640 }, 0 },
188 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_640U }, 0 },
189 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1650 }, 0 },
190 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1660 }, 0 },
191 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1260 }, 0 },
192 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_GT9700F }, USC_KEEP_OPEN },
193 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_GT9300UF }, 0 },
196 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA1220U }, 0 },
197 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA1236U }, 0 },
198 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2000U }, 0 },
199 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2100U }, 0 },
200 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2200U }, 0 },
201 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA3400 }, 0 },
204 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_3000 }, 0 },
205 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_5300 }, 0 },
206 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_7600 }, 0 },
207 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_6100 }, 0 },
208 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_6200 }, 0 },
209 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_8100 }, 0 },
210 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_8600 }, 0 },
213 {{ USB_VENDOR_ULTIMA, USB_PRODUCT_ULTIMA_1200UBPLUS }, 0 },
216 #define uscanner_lookup(v, p) ((const struct uscan_info *)usb_lookup(uscanner_devs, v, p))
218 #define USCANNER_BUFFERSIZE 1024
220 struct uscanner_softc {
221 device_t sc_dev; /* base device */
222 usbd_device_handle sc_udev;
223 usbd_interface_handle sc_iface;
227 usbd_pipe_handle sc_bulkin_pipe;
229 usbd_xfer_handle sc_bulkin_xfer;
230 void *sc_bulkin_buffer;
231 int sc_bulkin_bufferlen;
232 int sc_bulkin_datalen;
234 usbd_pipe_handle sc_bulkout_pipe;
236 usbd_xfer_handle sc_bulkout_xfer;
237 void *sc_bulkout_buffer;
238 int sc_bulkout_bufferlen;
239 int sc_bulkout_datalen;
242 #define USCANNER_OPEN 0x01 /* opened */
248 d_open_t uscanneropen;
249 d_close_t uscannerclose;
250 d_read_t uscannerread;
251 d_write_t uscannerwrite;
252 d_poll_t uscannerpoll;
254 #define USCANNER_CDEV_MAJOR 156
256 static struct dev_ops uscanner_ops = {
257 { "uscanner", USCANNER_CDEV_MAJOR, 0 },
258 .d_open = uscanneropen,
259 .d_close = uscannerclose,
260 .d_read = uscannerread,
261 .d_write = uscannerwrite,
262 .d_poll = uscannerpoll,
265 static int uscanner_do_read(struct uscanner_softc *, struct uio *, int);
266 static int uscanner_do_write(struct uscanner_softc *, struct uio *, int);
267 static void uscanner_do_close(struct uscanner_softc *);
269 #define USCANNERUNIT(n) (minor(n))
271 static device_probe_t uscanner_match;
272 static device_attach_t uscanner_attach;
273 static device_detach_t uscanner_detach;
275 static devclass_t uscanner_devclass;
277 static kobj_method_t uscanner_methods[] = {
278 DEVMETHOD(device_probe, uscanner_match),
279 DEVMETHOD(device_attach, uscanner_attach),
280 DEVMETHOD(device_detach, uscanner_detach),
284 static driver_t uscanner_driver = {
287 sizeof(struct uscanner_softc)
290 MODULE_DEPEND(uscanner, usb, 1, 1, 1);
293 uscanner_match(device_t self)
295 struct usb_attach_arg *uaa = device_get_ivars(self);
297 if (uaa->iface != NULL)
300 return (uscanner_lookup(uaa->vendor, uaa->product) != NULL ?
301 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
305 uscanner_attach(device_t self)
307 struct uscanner_softc *sc = device_get_softc(self);
308 struct usb_attach_arg *uaa = device_get_ivars(self);
309 usb_interface_descriptor_t *id = 0;
310 usb_endpoint_descriptor_t *ed, *ed_bulkin = NULL, *ed_bulkout = NULL;
315 usbd_devinfo(uaa->device, 0, devinfo);
317 device_set_desc_copy(self, devinfo);
318 kprintf("%s: %s\n", device_get_nameunit(sc->sc_dev), devinfo);
320 sc->sc_dev_flags = uscanner_lookup(uaa->vendor, uaa->product)->flags;
322 sc->sc_udev = uaa->device;
324 err = usbd_set_config_no(uaa->device, 1, 1); /* XXX */
326 kprintf("%s: setting config no failed\n",
327 device_get_nameunit(sc->sc_dev));
331 /* XXX We only check the first interface */
332 err = usbd_device2interface_handle(sc->sc_udev, 0, &sc->sc_iface);
333 if (!err && sc->sc_iface)
334 id = usbd_get_interface_descriptor(sc->sc_iface);
335 if (err || id == 0) {
336 kprintf("%s: could not get interface descriptor, err=%d,id=%p\n",
337 device_get_nameunit(sc->sc_dev), err, id);
341 /* Find the two first bulk endpoints */
342 for (i = 0 ; i < id->bNumEndpoints; i++) {
343 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
345 kprintf("%s: could not read endpoint descriptor\n",
346 device_get_nameunit(sc->sc_dev));
350 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN
351 && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
353 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT
354 && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
358 if (ed_bulkin && ed_bulkout) /* found all we need */
362 /* Verify that we goething sensible */
363 if (ed_bulkin == NULL || ed_bulkout == NULL) {
364 kprintf("%s: bulk-in and/or bulk-out endpoint not found\n",
365 device_get_nameunit(sc->sc_dev));
369 sc->sc_bulkin = ed_bulkin->bEndpointAddress;
370 sc->sc_bulkout = ed_bulkout->bEndpointAddress;
372 /* the main device, ctrl endpoint */
373 dev_ops_add(&uscanner_ops, -1, device_get_unit(sc->sc_dev));
374 make_dev(&uscanner_ops, device_get_unit(sc->sc_dev),
375 UID_ROOT, GID_OPERATOR, 0644, "%s", device_get_nameunit(sc->sc_dev));
377 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
384 uscanneropen(struct dev_open_args *ap)
386 cdev_t dev = ap->a_head.a_dev;
387 struct uscanner_softc *sc;
388 int unit = USCANNERUNIT(dev);
391 sc = devclass_get_softc(uscanner_devclass, unit);
395 DPRINTFN(5, ("uscanneropen: flag=%d, mode=%d, unit=%d\n",
396 ap->a_oflags, ap->a_devtype, unit));
401 if (sc->sc_state & USCANNER_OPEN)
404 sc->sc_state |= USCANNER_OPEN;
406 sc->sc_bulkin_buffer = kmalloc(USCANNER_BUFFERSIZE, M_USBDEV, M_WAITOK);
407 sc->sc_bulkout_buffer = kmalloc(USCANNER_BUFFERSIZE, M_USBDEV, M_WAITOK);
408 /* No need to check buffers for NULL since we have WAITOK */
410 sc->sc_bulkin_bufferlen = USCANNER_BUFFERSIZE;
411 sc->sc_bulkout_bufferlen = USCANNER_BUFFERSIZE;
413 /* We have decided on which endpoints to use, now open the pipes */
414 if (sc->sc_bulkin_pipe == NULL) {
415 err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkin,
416 USBD_EXCLUSIVE_USE, &sc->sc_bulkin_pipe);
418 kprintf("%s: cannot open bulk-in pipe (addr %d)\n",
419 device_get_nameunit(sc->sc_dev), sc->sc_bulkin);
420 uscanner_do_close(sc);
424 if (sc->sc_bulkout_pipe == NULL) {
425 err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkout,
426 USBD_EXCLUSIVE_USE, &sc->sc_bulkout_pipe);
428 kprintf("%s: cannot open bulk-out pipe (addr %d)\n",
429 device_get_nameunit(sc->sc_dev), sc->sc_bulkout);
430 uscanner_do_close(sc);
435 sc->sc_bulkin_xfer = usbd_alloc_xfer(sc->sc_udev);
436 if (sc->sc_bulkin_xfer == NULL) {
437 uscanner_do_close(sc);
440 sc->sc_bulkout_xfer = usbd_alloc_xfer(sc->sc_udev);
441 if (sc->sc_bulkout_xfer == NULL) {
442 uscanner_do_close(sc);
446 return (0); /* success */
450 uscannerclose(struct dev_close_args *ap)
452 cdev_t dev = ap->a_head.a_dev;
453 struct uscanner_softc *sc;
455 sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
457 DPRINTFN(5, ("uscannerclose: flag=%d, mode=%d, unit=%d\n",
458 ap->a_fflag, ap->a_devtype, USCANNERUNIT(dev)));
461 if (!(sc->sc_state & USCANNER_OPEN)) {
462 kprintf("uscannerclose: not open\n");
467 uscanner_do_close(sc);
473 uscanner_do_close(struct uscanner_softc *sc)
475 if (sc->sc_bulkin_xfer) {
476 usbd_free_xfer(sc->sc_bulkin_xfer);
477 sc->sc_bulkin_xfer = NULL;
479 if (sc->sc_bulkout_xfer) {
480 usbd_free_xfer(sc->sc_bulkout_xfer);
481 sc->sc_bulkout_xfer = NULL;
484 if (!(sc->sc_dev_flags & USC_KEEP_OPEN)) {
485 if (sc->sc_bulkin_pipe != NULL) {
486 usbd_abort_pipe(sc->sc_bulkin_pipe);
487 usbd_close_pipe(sc->sc_bulkin_pipe);
488 sc->sc_bulkin_pipe = NULL;
490 if (sc->sc_bulkout_pipe != NULL) {
491 usbd_abort_pipe(sc->sc_bulkout_pipe);
492 usbd_close_pipe(sc->sc_bulkout_pipe);
493 sc->sc_bulkout_pipe = NULL;
497 if (sc->sc_bulkin_buffer) {
498 kfree(sc->sc_bulkin_buffer, M_USBDEV);
499 sc->sc_bulkin_buffer = NULL;
501 if (sc->sc_bulkout_buffer) {
502 kfree(sc->sc_bulkout_buffer, M_USBDEV);
503 sc->sc_bulkout_buffer = NULL;
506 sc->sc_state &= ~USCANNER_OPEN;
510 uscanner_do_read(struct uscanner_softc *sc, struct uio *uio, int flag)
516 DPRINTFN(5, ("%s: uscannerread\n", device_get_nameunit(sc->sc_dev)));
521 while ((n = min(sc->sc_bulkin_bufferlen, uio->uio_resid)) != 0) {
522 DPRINTFN(1, ("uscannerread: start transfer %d bytes\n",n));
525 err = usbd_bulk_transfer(
526 sc->sc_bulkin_xfer, sc->sc_bulkin_pipe,
527 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT,
528 sc->sc_bulkin_buffer, &tn,
531 if (err == USBD_INTERRUPTED)
533 else if (err == USBD_TIMEOUT)
539 DPRINTFN(1, ("uscannerread: got %d bytes\n", tn));
540 error = uiomove(sc->sc_bulkin_buffer, tn, uio);
549 uscannerread(struct dev_read_args *ap)
551 cdev_t dev = ap->a_head.a_dev;
552 struct uscanner_softc *sc;
555 sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
558 error = uscanner_do_read(sc, ap->a_uio, ap->a_ioflag);
559 if (--sc->sc_refcnt < 0)
560 usb_detach_wakeup(sc->sc_dev);
566 uscanner_do_write(struct uscanner_softc *sc, struct uio *uio, int flag)
572 DPRINTFN(5, ("%s: uscanner_do_write\n", device_get_nameunit(sc->sc_dev)));
577 while ((n = min(sc->sc_bulkout_bufferlen, uio->uio_resid)) != 0) {
578 error = uiomove(sc->sc_bulkout_buffer, n, uio);
581 DPRINTFN(1, ("uscanner_do_write: transfer %d bytes\n", n));
582 err = usbd_bulk_transfer(
583 sc->sc_bulkout_xfer, sc->sc_bulkout_pipe,
585 sc->sc_bulkout_buffer, &n,
588 if (err == USBD_INTERRUPTED)
600 uscannerwrite(struct dev_write_args *ap)
602 cdev_t dev = ap->a_head.a_dev;
603 struct uscanner_softc *sc;
606 sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
609 error = uscanner_do_write(sc, ap->a_uio, ap->a_ioflag);
610 if (--sc->sc_refcnt < 0)
611 usb_detach_wakeup(sc->sc_dev);
616 uscanner_detach(device_t self)
618 struct uscanner_softc *sc = device_get_softc(self);
620 DPRINTF(("uscanner_detach: sc=%p\n", sc));
623 sc->sc_dev_flags = 0; /* make close really close device */
625 /* Abort all pipes. Causes processes waiting for transfer to wake. */
626 if (sc->sc_bulkin_pipe != NULL)
627 usbd_abort_pipe(sc->sc_bulkin_pipe);
628 if (sc->sc_bulkout_pipe != NULL)
629 usbd_abort_pipe(sc->sc_bulkout_pipe);
632 if (--sc->sc_refcnt >= 0) {
633 /* Wait for processes to go away. */
634 usb_detach_wait(sc->sc_dev);
638 /* destroy the device for the control endpoint */
639 dev_ops_remove(&uscanner_ops, -1, device_get_unit(sc->sc_dev));
641 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
648 uscannerpoll(struct dev_poll_args *ap)
650 cdev_t dev = ap->a_head.a_dev;
651 struct uscanner_softc *sc;
654 sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
660 * We have no easy way of determining if a read will
661 * yield any data or a write will happen.
664 revents |= ap->a_events &
665 (POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM);
667 ap->a_events = revents;
671 DRIVER_MODULE(uscanner, uhub, uscanner_driver, uscanner_devclass, usbd_driver_load, 0);