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 $
6 /* Also already merged from NetBSD:
7 * $NetBSD: uscanner.c,v 1.33 2002/09/23 05:51:24 simonb Exp $
11 * Copyright (c) 2000 The NetBSD Foundation, Inc.
12 * All rights reserved.
14 * This code is derived from software contributed to The NetBSD Foundation
15 * by Lennart Augustsson (lennart@augustsson.net) at
16 * Carlstedt Research & Technology
17 * and Nick Hibma (n_hibma@qubesoft.com).
19 * Redistribution and use in source and binary forms, with or without
20 * modification, are permitted provided that the following conditions
22 * 1. Redistributions of source code must retain the above copyright
23 * notice, this list of conditions and the following disclaimer.
24 * 2. Redistributions in binary form must reproduce the above copyright
25 * notice, this list of conditions and the following disclaimer in the
26 * documentation and/or other materials provided with the distribution.
27 * 3. All advertising materials mentioning features or use of this software
28 * must display the following acknowledgement:
29 * This product includes software developed by the NetBSD
30 * Foundation, Inc. and its contributors.
31 * 4. Neither the name of The NetBSD Foundation nor the names of its
32 * contributors may be used to endorse or promote products derived
33 * from this software without specific prior written permission.
35 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
36 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
37 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
38 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
39 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
40 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
41 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
42 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
43 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
44 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
45 * POSSIBILITY OF SUCH DAMAGE.
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/kernel.h>
52 #include <sys/malloc.h>
53 #include <sys/module.h>
56 #include <sys/fcntl.h>
57 #include <sys/filio.h>
60 #include <sys/select.h>
62 #include <sys/event.h>
64 #include <sys/sysctl.h>
65 #include <sys/thread2.h>
67 #include <bus/usb/usb.h>
68 #include <bus/usb/usbdi.h>
69 #include <bus/usb/usbdi_util.h>
72 #define DPRINTF(x) if (uscannerdebug) kprintf x
73 #define DPRINTFN(n,x) if (uscannerdebug>(n)) kprintf x
74 int uscannerdebug = 0;
75 SYSCTL_NODE(_hw_usb, OID_AUTO, uscanner, CTLFLAG_RW, 0, "USB uscanner");
76 SYSCTL_INT(_hw_usb_uscanner, OID_AUTO, debug, CTLFLAG_RW,
77 &uscannerdebug, 0, "uscanner debug level");
84 struct usb_devno devno;
86 #define USC_KEEP_OPEN 1
89 /* Table of scanners that may work with this driver. */
90 static const struct uscan_info uscanner_devs[] = {
91 /* Acer Peripherals */
92 {{ USB_DEVICE(0x04a5, 0x2022) }, 0 }, /* Acerscan 320U */
93 {{ USB_DEVICE(0x04a5, 0x20b0) }, 0 }, /* Benq 3300U/4300U */
94 {{ USB_DEVICE(0x04a5, 0x2040) }, 0 }, /* Acerscan 640U */
95 {{ USB_DEVICE(0x04a5, 0x20be) }, 0 }, /* Acerscan 640BT */
96 {{ USB_DEVICE(0x04a5, 0x2060) }, 0 }, /* Acerscan 620U */
97 {{ USB_DEVICE(0x04a5, 0x20c0) }, 0 }, /* Acerscan 1240U */
98 {{ USB_DEVICE(0x04a5, 0x12a6) }, 0 }, /* Acerscan C310U */
100 {{ USB_DEVICE(0x06bd, 0x0002) }, 0 }, /* SnapScan 1236U */
101 {{ USB_DEVICE(0x06bd, 0x0001) }, 0 }, /* SnapScan 1212U */
102 {{ USB_DEVICE(0x06bd, 0x2061) }, 0 }, /* SnapScan 1212U */
103 {{ USB_DEVICE(0x06bd, 0x0100) }, 0 }, /* SnapScan Touch */
104 {{ USB_DEVICE(0x06bd, 0x208d) }, 0 }, /* SnapScan e40 */
105 {{ USB_DEVICE(0x06bd, 0x208f) }, 0 }, /* SnapScan e50 */
106 {{ USB_DEVICE(0x06bd, 0x2091) }, 0 }, /* SnapScan e20 */
107 {{ USB_DEVICE(0x06bd, 0x2095) }, 0 }, /* SnapScan e25 */
108 {{ USB_DEVICE(0x06bd, 0x2097) }, 0 }, /* SnapScan e26 */
109 {{ USB_DEVICE(0x06bd, 0x20fd) }, 0 }, /* SnapScan e52 */
111 {{ USB_DEVICE(0x0638, 0x0268) }, 0 }, /* Avision 1200U */
113 {{ USB_DEVICE(0x04a9, 0x2206) }, 0 }, /* CanoScan N656U */
114 {{ USB_DEVICE(0x04a9, 0x220d) }, 0 }, /* CanoScan N676U */
115 {{ USB_DEVICE(0x04a9, 0x2207) }, 0 }, /* CanoScan N1220U */
116 {{ USB_DEVICE(0x04a9, 0x2208) }, 0 }, /* CanoScan D660U */
117 {{ USB_DEVICE(0x04a9, 0x220e) }, 0 }, /* CanoScan N1240U */
118 {{ USB_DEVICE(0x04a9, 0x2220) }, 0 }, /* CanoScan LIDE 25 */
120 {{ USB_DEVICE(0x0458, 0x2001) }, 0 }, /* ColorPage Vivid-Pro */
122 {{ USB_DEVICE(0x03f0, 0x0605) }, 0 }, /* ScanJet 2200C */
123 {{ USB_DEVICE(0x03f0, 0x0205) }, 0 }, /* ScanJet 3300C */
124 {{ USB_DEVICE(0x03f0, 0x0405) }, 0 }, /* ScanJet 3400cse */
125 {{ USB_DEVICE(0x03f0, 0x0101) }, 0 }, /* Scanjet 4100C */
126 {{ USB_DEVICE(0x03f0, 0x0105) }, 0 }, /* ScanJet 4200C */
127 {{ USB_DEVICE(0x03f0, 0x0305) }, 0 }, /* Scanjet 4300C */
128 {{ USB_DEVICE(0x03f0, 0x3005) }, 0 }, /* ScanJet 4670v */
129 {{ USB_DEVICE(0x03f0, 0x0102) }, 0 }, /* Photosmart S20 */
130 {{ USB_DEVICE(0x03f0, 0x0401) }, 0 }, /* Scanjet 5200C */
131 {{ USB_DEVICE(0x03f0, 0x0701) }, 0 }, /* Scanjet 5300C */
132 {{ USB_DEVICE(0x03f0, 0x1005) }, 0 }, /* Scanjet 5400C */
133 {{ USB_DEVICE(0x03f0, 0x0201) }, 0 }, /* ScanJet 6200C */
134 {{ USB_DEVICE(0x03f0, 0x0601) }, 0 }, /* Scanjet 6300C */
135 {{ USB_DEVICE(0x03f0, 0x0b01) }, 0 }, /* Scanjet 82x0C */
137 {{ USB_DEVICE(0x04ce, 0x0300) }, 0 }, /* Phantom 336CX - C3 */
139 {{ USB_DEVICE(0x05da, 0x0099) }, 0 }, /* Phantom 336CX - C3 */
140 {{ USB_DEVICE(0x05da, 0x0094) }, 0 }, /* ScanMaker X6 - X6U */
141 {{ USB_DEVICE(0x05da, 0x00a0) }, 0 }, /* Phantom 336CX - C3 */
142 {{ USB_DEVICE(0x05da, 0x009a) }, 0 }, /* Phantom C6 */
143 {{ USB_DEVICE(0x05da, 0x00a3) }, 0 }, /* ScanMaker V6USL */
144 {{ USB_DEVICE(0x05da, 0x80a3) }, 0 }, /* ScanMaker V6USL */
145 {{ USB_DEVICE(0x05da, 0x80ac) }, 0 }, /* ScanMaker V6UL */
147 {{ USB_DEVICE(0x0686, 0x400e) }, 0 }, /* Dimage 5400 */
149 {{ USB_DEVICE(0x055f, 0x0001) }, 0 }, /* 1200 CU */
150 {{ USB_DEVICE(0x055f, 0x0010) }, 0 }, /* BearPaw 1200F */
151 {{ USB_DEVICE(0x055f, 0x021e) }, 0 }, /* BearPaw 1200TA */
152 {{ USB_DEVICE(0x055f, 0x0873) }, 0 }, /* 600 USB */
153 {{ USB_DEVICE(0x055f, 0x0002) }, 0 }, /* 600 CU */
154 {{ USB_DEVICE(0x055f, 0x0003) }, 0 }, /* 1200 USB */
155 {{ USB_DEVICE(0x055f, 0x0006) }, 0 }, /* 1200 UB */
156 {{ USB_DEVICE(0x055f, 0x0007) }, 0 }, /* 1200 USB */
157 {{ USB_DEVICE(0x055f, 0x0008) }, 0 }, /* 1200 CU */
159 {{ USB_DEVICE(0x0400, 0x1000) }, 0 }, /* BearPaw 1200 */
160 {{ USB_DEVICE(0x0400, 0x1001) }, 0 }, /* BearPaw 2400 */
162 {{ USB_DEVICE(0x04b0, 0x4000) }, 0 }, /* CoolScan LS40 ED */
164 {{ USB_DEVICE(0x0461, 0x0300) }, 0 }, /* G2-200 */
165 {{ USB_DEVICE(0x0461, 0x0301) }, 0 }, /* G2E-300 */
166 {{ USB_DEVICE(0x0461, 0x0302) }, 0 }, /* G2-300 */
167 {{ USB_DEVICE(0x0461, 0x0303) }, 0 }, /* G2E-300 */
168 {{ USB_DEVICE(0x0461, 0x0340) }, 0 }, /* Colorado USB 9600 */
169 {{ USB_DEVICE(0x0461, 0x0341) }, 0 }, /* Colorado 600u */
170 {{ USB_DEVICE(0x0461, 0x0345) }, 0 }, /* Visioneer 6200 */
171 {{ USB_DEVICE(0x0461, 0x0360) }, 0 }, /* Colorado USB 19200 */
172 {{ USB_DEVICE(0x0461, 0x0361) }, 0 }, /* Colorado 1200u */
173 {{ USB_DEVICE(0x0461, 0x0380) }, 0 }, /* G2-600 */
174 {{ USB_DEVICE(0x0461, 0x0381) }, 0 }, /* ReadyScan 636i */
175 {{ USB_DEVICE(0x0461, 0x0382) }, 0 }, /* G2-600 */
176 {{ USB_DEVICE(0x0461, 0x0383) }, 0 }, /* G2E-600 */
178 {{ USB_DEVICE(0x04b8, 0x0101) }, 0 }, /* Perfection 636U/636Photo */
179 {{ USB_DEVICE(0x04b8, 0x0103) }, 0 }, /* Perfection 610 */
180 {{ USB_DEVICE(0x04b8, 0x0104) }, 0 }, /* Perfection 1200U/1200Photo */
181 {{ USB_DEVICE(0x04b8, 0x010b) }, 0 }, /* Perfection 1240U/1240Photo */
182 {{ USB_DEVICE(0x04b8, 0x010f) }, 0 }, /* Perfection 1250U/1250Photo */
183 {{ USB_DEVICE(0x04b8, 0x0107) }, 0 }, /* Expression 1600 */
184 {{ USB_DEVICE(0x04b8, 0x010a) }, 0 }, /* Perfection 1640SU */
185 {{ USB_DEVICE(0x04b8, 0x010c) }, 0 }, /* Perfection 640U */
186 {{ USB_DEVICE(0x04b8, 0x0110) }, 0 }, /* Perfection 1650 */
187 {{ USB_DEVICE(0x04b8, 0x011e) }, 0 }, /* Perfection 1660 */
188 {{ USB_DEVICE(0x04b8, 0x011d) }, 0 }, /* Perfection 1260 */
189 {{ USB_DEVICE(0x04b8, 0x011f) }, 0 }, /* Perfection 1670 */
190 {{ USB_DEVICE(0x04b8, 0x0120) }, 0 }, /* Perfection 1270 */
191 {{ USB_DEVICE(0x04b8, 0x080f) }, 0 }, /* Stylus Photo RX425 */
192 {{ USB_DEVICE(0x04b8, 0x011c) }, USC_KEEP_OPEN }, /* Perfection 3200 */
193 {{ USB_DEVICE(0x04b8, 0x0112) }, USC_KEEP_OPEN }, /* GT-9700F */
194 {{ USB_DEVICE(0x04b8, 0x011b) }, 0 }, /* GT-9300UF */
195 {{ USB_DEVICE(0x04b8, 0x0121) }, 0 }, /* Perfection 2480 */
196 {{ USB_DEVICE(0x04b8, 0x080e) }, USC_KEEP_OPEN }, /* CX-3500/3600/3650 MFP */
197 {{ USB_DEVICE(0x04b8, 0x0122) }, 0 }, /* Perfection 3590 */
198 {{ USB_DEVICE(0x04b8, 0x0820) }, 0 }, /* CX4200 MP */
199 {{ USB_DEVICE(0x04b8, 0x012a) }, 0 }, /* Perfection 4990 Photo */
200 {{ USB_DEVICE(0x04b8, 0x082b) }, 0 }, /* DX-50x0 MFP */
201 {{ USB_DEVICE(0x04b8, 0x082e) }, 0 }, /* DX-60x0 MFP */
203 {{ USB_DEVICE(0x1606, 0x0010) }, 0 }, /* Astra 1220U */
204 {{ USB_DEVICE(0x1606, 0x0002) }, 0 }, /* Astra 1236U */
205 {{ USB_DEVICE(0x1606, 0x0030) }, 0 }, /* Astra 2000U */
206 {{ USB_DEVICE(0x1606, 0x0130) }, 0 }, /* Astra 2100U */
207 {{ USB_DEVICE(0x1606, 0x0230) }, 0 }, /* Astra 2200U */
208 {{ USB_DEVICE(0x1606, 0x0060) }, 0 }, /* Astra 3400 */
210 {{ USB_DEVICE(0x04a7, 0x0224) }, 0 }, /* Scanport 3000 */
211 {{ USB_DEVICE(0x04a7, 0x0221) }, 0 }, /* OneTouch 5300 */
212 {{ USB_DEVICE(0x04a7, 0x0211) }, 0 }, /* OneTouch 7600 */
213 {{ USB_DEVICE(0x04a7, 0x0231) }, 0 }, /* OneTouch 6100 */
214 {{ USB_DEVICE(0x04a7, 0x0311) }, 0 }, /* OneTouch 6200 */
215 {{ USB_DEVICE(0x04a7, 0x0321) }, 0 }, /* OneTouch 8100 */
216 {{ USB_DEVICE(0x04a7, 0x0331) }, 0 }, /* OneTouch 8600 */
218 {{ USB_DEVICE(0x05d8, 0x4002) }, 0 }, /* 1200 UB Plus */
220 #define uscanner_lookup(v, p) ((const struct uscan_info *)usb_lookup(uscanner_devs, v, p))
222 #define USCANNER_BUFFERSIZE 1024
224 struct uscanner_softc {
225 device_t sc_dev; /* base device */
226 usbd_device_handle sc_udev;
227 usbd_interface_handle sc_iface;
231 usbd_pipe_handle sc_bulkin_pipe;
233 usbd_xfer_handle sc_bulkin_xfer;
234 void *sc_bulkin_buffer;
235 int sc_bulkin_bufferlen;
236 int sc_bulkin_datalen;
238 usbd_pipe_handle sc_bulkout_pipe;
240 usbd_xfer_handle sc_bulkout_xfer;
241 void *sc_bulkout_buffer;
242 int sc_bulkout_bufferlen;
243 int sc_bulkout_datalen;
246 #define USCANNER_OPEN 0x01 /* opened */
252 d_open_t uscanneropen;
253 d_close_t uscannerclose;
254 d_read_t uscannerread;
255 d_write_t uscannerwrite;
256 d_kqfilter_t uscannerkqfilter;
258 static struct dev_ops uscanner_ops = {
259 { "uscanner", 0, 0 },
260 .d_open = uscanneropen,
261 .d_close = uscannerclose,
262 .d_read = uscannerread,
263 .d_write = uscannerwrite,
264 .d_kqfilter = uscannerkqfilter
267 static int uscanner_do_read(struct uscanner_softc *, struct uio *, int);
268 static int uscanner_do_write(struct uscanner_softc *, struct uio *, int);
269 static void uscanner_do_close(struct uscanner_softc *);
271 #define USCANNERUNIT(n) (minor(n))
273 static device_probe_t uscanner_match;
274 static device_attach_t uscanner_attach;
275 static device_detach_t uscanner_detach;
277 static devclass_t uscanner_devclass;
279 static kobj_method_t uscanner_methods[] = {
280 DEVMETHOD(device_probe, uscanner_match),
281 DEVMETHOD(device_attach, uscanner_attach),
282 DEVMETHOD(device_detach, uscanner_detach),
286 static driver_t uscanner_driver = {
289 sizeof(struct uscanner_softc)
292 MODULE_DEPEND(uscanner, usb, 1, 1, 1);
295 uscanner_match(device_t self)
297 struct usb_attach_arg *uaa = device_get_ivars(self);
299 if (uaa->iface != NULL)
302 return (uscanner_lookup(uaa->vendor, uaa->product) != NULL ?
303 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
307 uscanner_attach(device_t self)
309 struct uscanner_softc *sc = device_get_softc(self);
310 struct usb_attach_arg *uaa = device_get_ivars(self);
311 usb_interface_descriptor_t *id = 0;
312 usb_endpoint_descriptor_t *ed, *ed_bulkin = NULL, *ed_bulkout = NULL;
318 sc->sc_dev_flags = uscanner_lookup(uaa->vendor, uaa->product)->flags;
320 sc->sc_udev = uaa->device;
322 err = usbd_set_config_no(uaa->device, 1, 1); /* XXX */
324 kprintf("%s: setting config no failed\n",
325 device_get_nameunit(sc->sc_dev));
329 /* XXX We only check the first interface */
330 err = usbd_device2interface_handle(sc->sc_udev, 0, &sc->sc_iface);
331 if (!err && sc->sc_iface)
332 id = usbd_get_interface_descriptor(sc->sc_iface);
333 if (err || id == 0) {
334 kprintf("%s: could not get interface descriptor, err=%d,id=%p\n",
335 device_get_nameunit(sc->sc_dev), err, id);
339 /* Find the two first bulk endpoints */
340 for (i = 0 ; i < id->bNumEndpoints; i++) {
341 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
343 kprintf("%s: could not read endpoint descriptor\n",
344 device_get_nameunit(sc->sc_dev));
348 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN
349 && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
351 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT
352 && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
356 if (ed_bulkin && ed_bulkout) /* found all we need */
360 /* Verify that we goething sensible */
361 if (ed_bulkin == NULL || ed_bulkout == NULL) {
362 kprintf("%s: bulk-in and/or bulk-out endpoint not found\n",
363 device_get_nameunit(sc->sc_dev));
367 sc->sc_bulkin = ed_bulkin->bEndpointAddress;
368 sc->sc_bulkout = ed_bulkout->bEndpointAddress;
370 /* the main device, ctrl endpoint */
371 make_dev(&uscanner_ops, device_get_unit(sc->sc_dev),
372 UID_ROOT, GID_OPERATOR, 0644,
373 "%s", device_get_nameunit(sc->sc_dev));
375 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
382 uscanneropen(struct dev_open_args *ap)
384 cdev_t dev = ap->a_head.a_dev;
385 struct uscanner_softc *sc;
386 int unit = USCANNERUNIT(dev);
389 sc = devclass_get_softc(uscanner_devclass, unit);
393 DPRINTFN(5, ("uscanneropen: flag=%d, mode=%d, unit=%d\n",
394 ap->a_oflags, ap->a_devtype, unit));
399 if (sc->sc_state & USCANNER_OPEN)
402 sc->sc_state |= USCANNER_OPEN;
404 sc->sc_bulkin_buffer = kmalloc(USCANNER_BUFFERSIZE, M_USBDEV, M_WAITOK);
405 sc->sc_bulkout_buffer = kmalloc(USCANNER_BUFFERSIZE, M_USBDEV, M_WAITOK);
406 /* No need to check buffers for NULL since we have WAITOK */
408 sc->sc_bulkin_bufferlen = USCANNER_BUFFERSIZE;
409 sc->sc_bulkout_bufferlen = USCANNER_BUFFERSIZE;
411 /* We have decided on which endpoints to use, now open the pipes */
412 if (sc->sc_bulkin_pipe == NULL) {
413 err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkin,
414 USBD_EXCLUSIVE_USE, &sc->sc_bulkin_pipe);
416 kprintf("%s: cannot open bulk-in pipe (addr %d)\n",
417 device_get_nameunit(sc->sc_dev), sc->sc_bulkin);
418 uscanner_do_close(sc);
422 if (sc->sc_bulkout_pipe == NULL) {
423 err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkout,
424 USBD_EXCLUSIVE_USE, &sc->sc_bulkout_pipe);
426 kprintf("%s: cannot open bulk-out pipe (addr %d)\n",
427 device_get_nameunit(sc->sc_dev), sc->sc_bulkout);
428 uscanner_do_close(sc);
433 sc->sc_bulkin_xfer = usbd_alloc_xfer(sc->sc_udev);
434 if (sc->sc_bulkin_xfer == NULL) {
435 uscanner_do_close(sc);
438 sc->sc_bulkout_xfer = usbd_alloc_xfer(sc->sc_udev);
439 if (sc->sc_bulkout_xfer == NULL) {
440 uscanner_do_close(sc);
444 return (0); /* success */
448 uscannerclose(struct dev_close_args *ap)
450 cdev_t dev = ap->a_head.a_dev;
451 struct uscanner_softc *sc;
453 sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
455 DPRINTFN(5, ("uscannerclose: flag=%d, mode=%d, unit=%d\n",
456 ap->a_fflag, ap->a_devtype, USCANNERUNIT(dev)));
459 if (!(sc->sc_state & USCANNER_OPEN)) {
460 kprintf("uscannerclose: not open\n");
465 uscanner_do_close(sc);
471 uscanner_do_close(struct uscanner_softc *sc)
473 if (sc->sc_bulkin_xfer) {
474 usbd_free_xfer(sc->sc_bulkin_xfer);
475 sc->sc_bulkin_xfer = NULL;
477 if (sc->sc_bulkout_xfer) {
478 usbd_free_xfer(sc->sc_bulkout_xfer);
479 sc->sc_bulkout_xfer = NULL;
482 if (!(sc->sc_dev_flags & USC_KEEP_OPEN)) {
483 if (sc->sc_bulkin_pipe != NULL) {
484 usbd_abort_pipe(sc->sc_bulkin_pipe);
485 usbd_close_pipe(sc->sc_bulkin_pipe);
486 sc->sc_bulkin_pipe = NULL;
488 if (sc->sc_bulkout_pipe != NULL) {
489 usbd_abort_pipe(sc->sc_bulkout_pipe);
490 usbd_close_pipe(sc->sc_bulkout_pipe);
491 sc->sc_bulkout_pipe = NULL;
495 if (sc->sc_bulkin_buffer) {
496 kfree(sc->sc_bulkin_buffer, M_USBDEV);
497 sc->sc_bulkin_buffer = NULL;
499 if (sc->sc_bulkout_buffer) {
500 kfree(sc->sc_bulkout_buffer, M_USBDEV);
501 sc->sc_bulkout_buffer = NULL;
504 sc->sc_state &= ~USCANNER_OPEN;
508 uscanner_do_read(struct uscanner_softc *sc, struct uio *uio, int flag)
514 DPRINTFN(5, ("%s: uscannerread\n", device_get_nameunit(sc->sc_dev)));
519 while ((n = szmin(sc->sc_bulkin_bufferlen, uio->uio_resid)) != 0) {
520 DPRINTFN(1, ("uscannerread: start transfer %d bytes\n",n));
523 err = usbd_bulk_transfer(
524 sc->sc_bulkin_xfer, sc->sc_bulkin_pipe,
525 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT,
526 sc->sc_bulkin_buffer, &tn,
529 if (err == USBD_INTERRUPTED)
531 else if (err == USBD_TIMEOUT)
537 DPRINTFN(1, ("uscannerread: got %d bytes\n", tn));
538 error = uiomove(sc->sc_bulkin_buffer, tn, uio);
547 uscannerread(struct dev_read_args *ap)
549 cdev_t dev = ap->a_head.a_dev;
550 struct uscanner_softc *sc;
553 sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
556 error = uscanner_do_read(sc, ap->a_uio, ap->a_ioflag);
557 if (--sc->sc_refcnt < 0)
558 usb_detach_wakeup(sc->sc_dev);
564 uscanner_do_write(struct uscanner_softc *sc, struct uio *uio, int flag)
570 DPRINTFN(5, ("%s: uscanner_do_write\n", device_get_nameunit(sc->sc_dev)));
575 while ((n = szmin(sc->sc_bulkout_bufferlen, uio->uio_resid)) != 0) {
576 error = uiomove(sc->sc_bulkout_buffer, n, uio);
579 DPRINTFN(1, ("uscanner_do_write: transfer %d bytes\n", n));
580 err = usbd_bulk_transfer(
581 sc->sc_bulkout_xfer, sc->sc_bulkout_pipe,
583 sc->sc_bulkout_buffer, &n,
586 if (err == USBD_INTERRUPTED)
598 uscannerwrite(struct dev_write_args *ap)
600 cdev_t dev = ap->a_head.a_dev;
601 struct uscanner_softc *sc;
604 sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
607 error = uscanner_do_write(sc, ap->a_uio, ap->a_ioflag);
608 if (--sc->sc_refcnt < 0)
609 usb_detach_wakeup(sc->sc_dev);
614 uscanner_detach(device_t self)
616 struct uscanner_softc *sc = device_get_softc(self);
618 DPRINTF(("uscanner_detach: sc=%p\n", sc));
621 sc->sc_dev_flags = 0; /* make close really close device */
623 /* Abort all pipes. Causes processes waiting for transfer to wake. */
624 if (sc->sc_bulkin_pipe != NULL)
625 usbd_abort_pipe(sc->sc_bulkin_pipe);
626 if (sc->sc_bulkout_pipe != NULL)
627 usbd_abort_pipe(sc->sc_bulkout_pipe);
630 if (--sc->sc_refcnt >= 0) {
631 /* Wait for processes to go away. */
632 usb_detach_wait(sc->sc_dev);
636 /* destroy the device for the control endpoint */
637 dev_ops_remove_minor(&uscanner_ops, /*-1, */device_get_unit(sc->sc_dev));
639 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
646 uscannerfilt_detach(struct knote *kn) {}
649 uscannerfilt(struct knote *kn, long hint)
652 * We have no easy way of determining if a read will
653 * yield any data or a write will happen.
659 static struct filterops uscannerfiltops =
660 { FILTEROP_ISFD, NULL, uscannerfilt_detach, uscannerfilt };
663 uscannerkqfilter(struct dev_kqfilter_args *ap)
666 cdev_t dev = ap->a_head.a_dev;
667 struct uscanner_softc *sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
674 ap->a_kn->kn_fop = &uscannerfiltops;
678 DRIVER_MODULE(uscanner, uhub, uscanner_driver, uscanner_devclass, usbd_driver_load, NULL);