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 1.22 2007/07/02 23:52:05 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>
63 #include <sys/vnode.h>
66 #include <sys/sysctl.h>
67 #include <sys/thread2.h>
69 #include <bus/usb/usb.h>
70 #include <bus/usb/usbdi.h>
71 #include <bus/usb/usbdi_util.h>
73 #include <bus/usb/usbdevs.h>
76 #define DPRINTF(x) if (uscannerdebug) kprintf x
77 #define DPRINTFN(n,x) if (uscannerdebug>(n)) kprintf x
78 int uscannerdebug = 0;
79 SYSCTL_NODE(_hw_usb, OID_AUTO, uscanner, CTLFLAG_RW, 0, "USB uscanner");
80 SYSCTL_INT(_hw_usb_uscanner, OID_AUTO, debug, CTLFLAG_RW,
81 &uscannerdebug, 0, "uscanner debug level");
88 struct usb_devno devno;
90 #define USC_KEEP_OPEN 1
93 /* Table of scanners that may work with this driver. */
94 static const struct uscan_info uscanner_devs[] = {
95 /* Acer Peripherals */
96 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_320U }, 0 },
97 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_640U }, 0 },
98 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_620U }, 0 },
99 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_C310U }, 0 },
102 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1236U }, 0 },
103 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1212U }, 0 },
104 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1212U2 }, 0 },
105 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANTOUCH }, 0 },
106 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE40 }, 0 },
107 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE50 }, 0 },
108 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE20 }, 0 },
109 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE25 }, 0 },
110 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE26 }, 0 },
111 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE52 }, 0 },
114 {{ USB_VENDOR_AVISION, USB_PRODUCT_AVISION_1200U }, 0 },
117 {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_N656U }, 0 },
118 {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_N676U }, 0 },
119 {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_D660U }, 0 },
122 {{ USB_VENDOR_KYE, USB_PRODUCT_KYE_VIVIDPRO }, 0 },
125 {{ USB_VENDOR_HP, USB_PRODUCT_HP_2200C }, 0 },
126 {{ USB_VENDOR_HP, USB_PRODUCT_HP_3300C }, 0 },
127 {{ USB_VENDOR_HP, USB_PRODUCT_HP_3400CSE }, 0 },
128 {{ USB_VENDOR_HP, USB_PRODUCT_HP_4100C }, 0 },
129 {{ USB_VENDOR_HP, USB_PRODUCT_HP_4200C }, 0 },
130 {{ USB_VENDOR_HP, USB_PRODUCT_HP_4300C }, 0 },
131 {{ USB_VENDOR_HP, USB_PRODUCT_HP_S20 }, 0 },
132 {{ USB_VENDOR_HP, USB_PRODUCT_HP_5200C }, 0 },
133 {{ USB_VENDOR_HP, USB_PRODUCT_HP_5300C }, 0 },
134 {{ USB_VENDOR_HP, USB_PRODUCT_HP_5400C }, 0 },
135 {{ USB_VENDOR_HP, USB_PRODUCT_HP_6200C }, 0 },
136 {{ USB_VENDOR_HP, USB_PRODUCT_HP_6300C }, 0 },
139 {{ USB_VENDOR_SCANLOGIC, USB_PRODUCT_SCANLOGIC_336CX }, 0 },
140 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_X6U }, 0 },
141 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_336CX }, 0 },
142 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_336CX2 }, 0 },
143 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_C6 }, 0 },
144 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6USL }, 0 },
145 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6USL2 }, 0 },
146 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6UL }, 0 },
149 {{ USB_VENDOR_MINOLTA, USB_PRODUCT_MINOLTA_5400 }, 0 },
152 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200CU }, 0 },
153 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_BEARPAW1200F }, 0 },
154 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_BEARPAW1200TA }, 0 },
155 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_600USB }, 0 },
156 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_600CU }, 0 },
157 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200USB }, 0 },
158 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200UB }, 0 },
159 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200USBPLUS }, 0 },
160 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200CUPLUS }, 0 },
163 {{ USB_VENDOR_NATIONAL, USB_PRODUCT_NATIONAL_BEARPAW1200 }, 0 },
164 {{ USB_VENDOR_NATIONAL, USB_PRODUCT_NATIONAL_BEARPAW2400 }, 0 },
167 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2X300 }, 0 },
168 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E300 }, 0 },
169 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2300 }, 0 },
170 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E3002 }, 0 },
171 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_9600 }, 0 },
172 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_600U }, 0 },
173 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_6200 }, 0 },
174 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_19200 }, 0 },
175 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_1200U }, 0 },
176 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G600 }, 0 },
177 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_636I }, 0 },
178 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2600 }, 0 },
179 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E600 }, 0 },
182 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_636 }, 0 },
183 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_610 }, 0 },
184 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1200 }, 0 },
185 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1240 }, 0 },
186 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1250 }, 0 },
187 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1600 }, 0 },
188 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1640 }, 0 },
189 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_640U }, 0 },
190 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1650 }, 0 },
191 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1660 }, 0 },
192 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1260 }, 0 },
193 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_GT9700F }, USC_KEEP_OPEN },
194 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_GT9300UF }, 0 },
197 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA1220U }, 0 },
198 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA1236U }, 0 },
199 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2000U }, 0 },
200 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2100U }, 0 },
201 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2200U }, 0 },
202 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA3400 }, 0 },
205 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_3000 }, 0 },
206 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_5300 }, 0 },
207 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_7600 }, 0 },
208 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_6100 }, 0 },
209 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_6200 }, 0 },
210 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_8100 }, 0 },
211 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_8600 }, 0 },
214 {{ USB_VENDOR_ULTIMA, USB_PRODUCT_ULTIMA_1200UBPLUS }, 0 },
217 #define uscanner_lookup(v, p) ((const struct uscan_info *)usb_lookup(uscanner_devs, v, p))
219 #define USCANNER_BUFFERSIZE 1024
221 struct uscanner_softc {
222 device_t sc_dev; /* base device */
223 usbd_device_handle sc_udev;
224 usbd_interface_handle sc_iface;
228 usbd_pipe_handle sc_bulkin_pipe;
230 usbd_xfer_handle sc_bulkin_xfer;
231 void *sc_bulkin_buffer;
232 int sc_bulkin_bufferlen;
233 int sc_bulkin_datalen;
235 usbd_pipe_handle sc_bulkout_pipe;
237 usbd_xfer_handle sc_bulkout_xfer;
238 void *sc_bulkout_buffer;
239 int sc_bulkout_bufferlen;
240 int sc_bulkout_datalen;
243 #define USCANNER_OPEN 0x01 /* opened */
249 d_open_t uscanneropen;
250 d_close_t uscannerclose;
251 d_read_t uscannerread;
252 d_write_t uscannerwrite;
253 d_poll_t uscannerpoll;
255 #define USCANNER_CDEV_MAJOR 156
257 static struct dev_ops uscanner_ops = {
258 { "uscanner", USCANNER_CDEV_MAJOR, 0 },
259 .d_open = uscanneropen,
260 .d_close = uscannerclose,
261 .d_read = uscannerread,
262 .d_write = uscannerwrite,
263 .d_poll = uscannerpoll,
266 static int uscanner_do_read(struct uscanner_softc *, struct uio *, int);
267 static int uscanner_do_write(struct uscanner_softc *, struct uio *, int);
268 static void uscanner_do_close(struct uscanner_softc *);
270 #define USCANNERUNIT(n) (minor(n))
272 static device_probe_t uscanner_match;
273 static device_attach_t uscanner_attach;
274 static device_detach_t uscanner_detach;
276 static devclass_t uscanner_devclass;
278 static kobj_method_t uscanner_methods[] = {
279 DEVMETHOD(device_probe, uscanner_match),
280 DEVMETHOD(device_attach, uscanner_attach),
281 DEVMETHOD(device_detach, uscanner_detach),
285 static driver_t uscanner_driver = {
288 sizeof(struct uscanner_softc)
291 MODULE_DEPEND(uscanner, usb, 1, 1, 1);
294 uscanner_match(device_t self)
296 struct usb_attach_arg *uaa = device_get_ivars(self);
298 if (uaa->iface != NULL)
301 return (uscanner_lookup(uaa->vendor, uaa->product) != NULL ?
302 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
306 uscanner_attach(device_t self)
308 struct uscanner_softc *sc = device_get_softc(self);
309 struct usb_attach_arg *uaa = device_get_ivars(self);
310 usb_interface_descriptor_t *id = 0;
311 usb_endpoint_descriptor_t *ed, *ed_bulkin = NULL, *ed_bulkout = NULL;
316 usbd_devinfo(uaa->device, 0, devinfo);
318 device_set_desc_copy(self, devinfo);
319 kprintf("%s: %s\n", device_get_nameunit(sc->sc_dev), devinfo);
321 sc->sc_dev_flags = uscanner_lookup(uaa->vendor, uaa->product)->flags;
323 sc->sc_udev = uaa->device;
325 err = usbd_set_config_no(uaa->device, 1, 1); /* XXX */
327 kprintf("%s: setting config no failed\n",
328 device_get_nameunit(sc->sc_dev));
332 /* XXX We only check the first interface */
333 err = usbd_device2interface_handle(sc->sc_udev, 0, &sc->sc_iface);
334 if (!err && sc->sc_iface)
335 id = usbd_get_interface_descriptor(sc->sc_iface);
336 if (err || id == 0) {
337 kprintf("%s: could not get interface descriptor, err=%d,id=%p\n",
338 device_get_nameunit(sc->sc_dev), err, id);
342 /* Find the two first bulk endpoints */
343 for (i = 0 ; i < id->bNumEndpoints; i++) {
344 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
346 kprintf("%s: could not read endpoint descriptor\n",
347 device_get_nameunit(sc->sc_dev));
351 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN
352 && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
354 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT
355 && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
359 if (ed_bulkin && ed_bulkout) /* found all we need */
363 /* Verify that we goething sensible */
364 if (ed_bulkin == NULL || ed_bulkout == NULL) {
365 kprintf("%s: bulk-in and/or bulk-out endpoint not found\n",
366 device_get_nameunit(sc->sc_dev));
370 sc->sc_bulkin = ed_bulkin->bEndpointAddress;
371 sc->sc_bulkout = ed_bulkout->bEndpointAddress;
373 /* the main device, ctrl endpoint */
374 dev_ops_add(&uscanner_ops, -1, device_get_unit(sc->sc_dev));
375 make_dev(&uscanner_ops, device_get_unit(sc->sc_dev),
376 UID_ROOT, GID_OPERATOR, 0644, "%s", device_get_nameunit(sc->sc_dev));
378 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
385 uscanneropen(struct dev_open_args *ap)
387 cdev_t dev = ap->a_head.a_dev;
388 struct uscanner_softc *sc;
389 int unit = USCANNERUNIT(dev);
392 sc = devclass_get_softc(uscanner_devclass, unit);
396 DPRINTFN(5, ("uscanneropen: flag=%d, mode=%d, unit=%d\n",
397 ap->a_oflags, ap->a_devtype, unit));
402 if (sc->sc_state & USCANNER_OPEN)
405 sc->sc_state |= USCANNER_OPEN;
407 sc->sc_bulkin_buffer = kmalloc(USCANNER_BUFFERSIZE, M_USBDEV, M_WAITOK);
408 sc->sc_bulkout_buffer = kmalloc(USCANNER_BUFFERSIZE, M_USBDEV, M_WAITOK);
409 /* No need to check buffers for NULL since we have WAITOK */
411 sc->sc_bulkin_bufferlen = USCANNER_BUFFERSIZE;
412 sc->sc_bulkout_bufferlen = USCANNER_BUFFERSIZE;
414 /* We have decided on which endpoints to use, now open the pipes */
415 if (sc->sc_bulkin_pipe == NULL) {
416 err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkin,
417 USBD_EXCLUSIVE_USE, &sc->sc_bulkin_pipe);
419 kprintf("%s: cannot open bulk-in pipe (addr %d)\n",
420 device_get_nameunit(sc->sc_dev), sc->sc_bulkin);
421 uscanner_do_close(sc);
425 if (sc->sc_bulkout_pipe == NULL) {
426 err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkout,
427 USBD_EXCLUSIVE_USE, &sc->sc_bulkout_pipe);
429 kprintf("%s: cannot open bulk-out pipe (addr %d)\n",
430 device_get_nameunit(sc->sc_dev), sc->sc_bulkout);
431 uscanner_do_close(sc);
436 sc->sc_bulkin_xfer = usbd_alloc_xfer(sc->sc_udev);
437 if (sc->sc_bulkin_xfer == NULL) {
438 uscanner_do_close(sc);
441 sc->sc_bulkout_xfer = usbd_alloc_xfer(sc->sc_udev);
442 if (sc->sc_bulkout_xfer == NULL) {
443 uscanner_do_close(sc);
447 return (0); /* success */
451 uscannerclose(struct dev_close_args *ap)
453 cdev_t dev = ap->a_head.a_dev;
454 struct uscanner_softc *sc;
456 sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
458 DPRINTFN(5, ("uscannerclose: flag=%d, mode=%d, unit=%d\n",
459 ap->a_fflag, ap->a_devtype, USCANNERUNIT(dev)));
462 if (!(sc->sc_state & USCANNER_OPEN)) {
463 kprintf("uscannerclose: not open\n");
468 uscanner_do_close(sc);
474 uscanner_do_close(struct uscanner_softc *sc)
476 if (sc->sc_bulkin_xfer) {
477 usbd_free_xfer(sc->sc_bulkin_xfer);
478 sc->sc_bulkin_xfer = NULL;
480 if (sc->sc_bulkout_xfer) {
481 usbd_free_xfer(sc->sc_bulkout_xfer);
482 sc->sc_bulkout_xfer = NULL;
485 if (!(sc->sc_dev_flags & USC_KEEP_OPEN)) {
486 if (sc->sc_bulkin_pipe != NULL) {
487 usbd_abort_pipe(sc->sc_bulkin_pipe);
488 usbd_close_pipe(sc->sc_bulkin_pipe);
489 sc->sc_bulkin_pipe = NULL;
491 if (sc->sc_bulkout_pipe != NULL) {
492 usbd_abort_pipe(sc->sc_bulkout_pipe);
493 usbd_close_pipe(sc->sc_bulkout_pipe);
494 sc->sc_bulkout_pipe = NULL;
498 if (sc->sc_bulkin_buffer) {
499 kfree(sc->sc_bulkin_buffer, M_USBDEV);
500 sc->sc_bulkin_buffer = NULL;
502 if (sc->sc_bulkout_buffer) {
503 kfree(sc->sc_bulkout_buffer, M_USBDEV);
504 sc->sc_bulkout_buffer = NULL;
507 sc->sc_state &= ~USCANNER_OPEN;
511 uscanner_do_read(struct uscanner_softc *sc, struct uio *uio, int flag)
517 DPRINTFN(5, ("%s: uscannerread\n", device_get_nameunit(sc->sc_dev)));
522 while ((n = min(sc->sc_bulkin_bufferlen, uio->uio_resid)) != 0) {
523 DPRINTFN(1, ("uscannerread: start transfer %d bytes\n",n));
526 err = usbd_bulk_transfer(
527 sc->sc_bulkin_xfer, sc->sc_bulkin_pipe,
528 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT,
529 sc->sc_bulkin_buffer, &tn,
532 if (err == USBD_INTERRUPTED)
534 else if (err == USBD_TIMEOUT)
540 DPRINTFN(1, ("uscannerread: got %d bytes\n", tn));
541 error = uiomove(sc->sc_bulkin_buffer, tn, uio);
550 uscannerread(struct dev_read_args *ap)
552 cdev_t dev = ap->a_head.a_dev;
553 struct uscanner_softc *sc;
556 sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
559 error = uscanner_do_read(sc, ap->a_uio, ap->a_ioflag);
560 if (--sc->sc_refcnt < 0)
561 usb_detach_wakeup(sc->sc_dev);
567 uscanner_do_write(struct uscanner_softc *sc, struct uio *uio, int flag)
573 DPRINTFN(5, ("%s: uscanner_do_write\n", device_get_nameunit(sc->sc_dev)));
578 while ((n = min(sc->sc_bulkout_bufferlen, uio->uio_resid)) != 0) {
579 error = uiomove(sc->sc_bulkout_buffer, n, uio);
582 DPRINTFN(1, ("uscanner_do_write: transfer %d bytes\n", n));
583 err = usbd_bulk_transfer(
584 sc->sc_bulkout_xfer, sc->sc_bulkout_pipe,
586 sc->sc_bulkout_buffer, &n,
589 if (err == USBD_INTERRUPTED)
601 uscannerwrite(struct dev_write_args *ap)
603 cdev_t dev = ap->a_head.a_dev;
604 struct uscanner_softc *sc;
607 sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
610 error = uscanner_do_write(sc, ap->a_uio, ap->a_ioflag);
611 if (--sc->sc_refcnt < 0)
612 usb_detach_wakeup(sc->sc_dev);
617 uscanner_detach(device_t self)
619 struct uscanner_softc *sc = device_get_softc(self);
621 DPRINTF(("uscanner_detach: sc=%p\n", sc));
624 sc->sc_dev_flags = 0; /* make close really close device */
626 /* Abort all pipes. Causes processes waiting for transfer to wake. */
627 if (sc->sc_bulkin_pipe != NULL)
628 usbd_abort_pipe(sc->sc_bulkin_pipe);
629 if (sc->sc_bulkout_pipe != NULL)
630 usbd_abort_pipe(sc->sc_bulkout_pipe);
633 if (--sc->sc_refcnt >= 0) {
634 /* Wait for processes to go away. */
635 usb_detach_wait(sc->sc_dev);
639 /* destroy the device for the control endpoint */
640 dev_ops_remove(&uscanner_ops, -1, device_get_unit(sc->sc_dev));
642 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
649 uscannerpoll(struct dev_poll_args *ap)
651 cdev_t dev = ap->a_head.a_dev;
652 struct uscanner_softc *sc;
655 sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
661 * We have no easy way of determining if a read will
662 * yield any data or a write will happen.
665 revents |= ap->a_events &
666 (POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM);
668 ap->a_events = revents;
672 DRIVER_MODULE(uscanner, uhub, uscanner_driver, uscanner_devclass, usbd_driver_load, 0);