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 1.19 2007/06/28 13:55:13 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 USB_DECLARE_DRIVER(uscanner
);
276 USB_MATCH_START(uscanner
, uaa
);
278 if (uaa
->iface
!= NULL
)
281 return (uscanner_lookup(uaa
->vendor
, uaa
->product
) != NULL
?
282 UMATCH_VENDOR_PRODUCT
: UMATCH_NONE
);
287 USB_ATTACH_START(uscanner
, sc
, uaa
);
288 usb_interface_descriptor_t
*id
= 0;
289 usb_endpoint_descriptor_t
*ed
, *ed_bulkin
= NULL
, *ed_bulkout
= NULL
;
294 usbd_devinfo(uaa
->device
, 0, devinfo
);
296 kprintf("%s: %s\n", device_get_nameunit(sc
->sc_dev
), devinfo
);
298 sc
->sc_dev_flags
= uscanner_lookup(uaa
->vendor
, uaa
->product
)->flags
;
300 sc
->sc_udev
= uaa
->device
;
302 err
= usbd_set_config_no(uaa
->device
, 1, 1); /* XXX */
304 kprintf("%s: setting config no failed\n",
305 device_get_nameunit(sc
->sc_dev
));
306 USB_ATTACH_ERROR_RETURN
;
309 /* XXX We only check the first interface */
310 err
= usbd_device2interface_handle(sc
->sc_udev
, 0, &sc
->sc_iface
);
311 if (!err
&& sc
->sc_iface
)
312 id
= usbd_get_interface_descriptor(sc
->sc_iface
);
313 if (err
|| id
== 0) {
314 kprintf("%s: could not get interface descriptor, err=%d,id=%p\n",
315 device_get_nameunit(sc
->sc_dev
), err
, id
);
316 USB_ATTACH_ERROR_RETURN
;
319 /* Find the two first bulk endpoints */
320 for (i
= 0 ; i
< id
->bNumEndpoints
; i
++) {
321 ed
= usbd_interface2endpoint_descriptor(sc
->sc_iface
, i
);
323 kprintf("%s: could not read endpoint descriptor\n",
324 device_get_nameunit(sc
->sc_dev
));
325 USB_ATTACH_ERROR_RETURN
;
328 if (UE_GET_DIR(ed
->bEndpointAddress
) == UE_DIR_IN
329 && (ed
->bmAttributes
& UE_XFERTYPE
) == UE_BULK
) {
331 } else if (UE_GET_DIR(ed
->bEndpointAddress
) == UE_DIR_OUT
332 && (ed
->bmAttributes
& UE_XFERTYPE
) == UE_BULK
) {
336 if (ed_bulkin
&& ed_bulkout
) /* found all we need */
340 /* Verify that we goething sensible */
341 if (ed_bulkin
== NULL
|| ed_bulkout
== NULL
) {
342 kprintf("%s: bulk-in and/or bulk-out endpoint not found\n",
343 device_get_nameunit(sc
->sc_dev
));
344 USB_ATTACH_ERROR_RETURN
;
347 sc
->sc_bulkin
= ed_bulkin
->bEndpointAddress
;
348 sc
->sc_bulkout
= ed_bulkout
->bEndpointAddress
;
350 /* the main device, ctrl endpoint */
351 dev_ops_add(&uscanner_ops
, -1, device_get_unit(sc
->sc_dev
));
352 make_dev(&uscanner_ops
, device_get_unit(sc
->sc_dev
),
353 UID_ROOT
, GID_OPERATOR
, 0644, "%s", device_get_nameunit(sc
->sc_dev
));
355 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH
, sc
->sc_udev
,
358 USB_ATTACH_SUCCESS_RETURN
;
362 uscanneropen(struct dev_open_args
*ap
)
364 cdev_t dev
= ap
->a_head
.a_dev
;
365 struct uscanner_softc
*sc
;
366 int unit
= USCANNERUNIT(dev
);
369 USB_GET_SC_OPEN(uscanner
, unit
, sc
);
371 DPRINTFN(5, ("uscanneropen: flag=%d, mode=%d, unit=%d\n",
372 ap
->a_oflags
, ap
->a_devtype
, unit
));
377 if (sc
->sc_state
& USCANNER_OPEN
)
380 sc
->sc_state
|= USCANNER_OPEN
;
382 sc
->sc_bulkin_buffer
= kmalloc(USCANNER_BUFFERSIZE
, M_USBDEV
, M_WAITOK
);
383 sc
->sc_bulkout_buffer
= kmalloc(USCANNER_BUFFERSIZE
, M_USBDEV
, M_WAITOK
);
384 /* No need to check buffers for NULL since we have WAITOK */
386 sc
->sc_bulkin_bufferlen
= USCANNER_BUFFERSIZE
;
387 sc
->sc_bulkout_bufferlen
= USCANNER_BUFFERSIZE
;
389 /* We have decided on which endpoints to use, now open the pipes */
390 if (sc
->sc_bulkin_pipe
== NULL
) {
391 err
= usbd_open_pipe(sc
->sc_iface
, sc
->sc_bulkin
,
392 USBD_EXCLUSIVE_USE
, &sc
->sc_bulkin_pipe
);
394 kprintf("%s: cannot open bulk-in pipe (addr %d)\n",
395 device_get_nameunit(sc
->sc_dev
), sc
->sc_bulkin
);
396 uscanner_do_close(sc
);
400 if (sc
->sc_bulkout_pipe
== NULL
) {
401 err
= usbd_open_pipe(sc
->sc_iface
, sc
->sc_bulkout
,
402 USBD_EXCLUSIVE_USE
, &sc
->sc_bulkout_pipe
);
404 kprintf("%s: cannot open bulk-out pipe (addr %d)\n",
405 device_get_nameunit(sc
->sc_dev
), sc
->sc_bulkout
);
406 uscanner_do_close(sc
);
411 sc
->sc_bulkin_xfer
= usbd_alloc_xfer(sc
->sc_udev
);
412 if (sc
->sc_bulkin_xfer
== NULL
) {
413 uscanner_do_close(sc
);
416 sc
->sc_bulkout_xfer
= usbd_alloc_xfer(sc
->sc_udev
);
417 if (sc
->sc_bulkout_xfer
== NULL
) {
418 uscanner_do_close(sc
);
422 return (0); /* success */
426 uscannerclose(struct dev_close_args
*ap
)
428 cdev_t dev
= ap
->a_head
.a_dev
;
429 struct uscanner_softc
*sc
;
431 USB_GET_SC(uscanner
, USCANNERUNIT(dev
), sc
);
433 DPRINTFN(5, ("uscannerclose: flag=%d, mode=%d, unit=%d\n",
434 ap
->a_fflag
, ap
->a_devtype
, USCANNERUNIT(dev
)));
437 if (!(sc
->sc_state
& USCANNER_OPEN
)) {
438 kprintf("uscannerclose: not open\n");
443 uscanner_do_close(sc
);
449 uscanner_do_close(struct uscanner_softc
*sc
)
451 if (sc
->sc_bulkin_xfer
) {
452 usbd_free_xfer(sc
->sc_bulkin_xfer
);
453 sc
->sc_bulkin_xfer
= NULL
;
455 if (sc
->sc_bulkout_xfer
) {
456 usbd_free_xfer(sc
->sc_bulkout_xfer
);
457 sc
->sc_bulkout_xfer
= NULL
;
460 if (!(sc
->sc_dev_flags
& USC_KEEP_OPEN
)) {
461 if (sc
->sc_bulkin_pipe
!= NULL
) {
462 usbd_abort_pipe(sc
->sc_bulkin_pipe
);
463 usbd_close_pipe(sc
->sc_bulkin_pipe
);
464 sc
->sc_bulkin_pipe
= NULL
;
466 if (sc
->sc_bulkout_pipe
!= NULL
) {
467 usbd_abort_pipe(sc
->sc_bulkout_pipe
);
468 usbd_close_pipe(sc
->sc_bulkout_pipe
);
469 sc
->sc_bulkout_pipe
= NULL
;
473 if (sc
->sc_bulkin_buffer
) {
474 kfree(sc
->sc_bulkin_buffer
, M_USBDEV
);
475 sc
->sc_bulkin_buffer
= NULL
;
477 if (sc
->sc_bulkout_buffer
) {
478 kfree(sc
->sc_bulkout_buffer
, M_USBDEV
);
479 sc
->sc_bulkout_buffer
= NULL
;
482 sc
->sc_state
&= ~USCANNER_OPEN
;
486 uscanner_do_read(struct uscanner_softc
*sc
, struct uio
*uio
, int flag
)
492 DPRINTFN(5, ("%s: uscannerread\n", device_get_nameunit(sc
->sc_dev
)));
497 while ((n
= min(sc
->sc_bulkin_bufferlen
, uio
->uio_resid
)) != 0) {
498 DPRINTFN(1, ("uscannerread: start transfer %d bytes\n",n
));
501 err
= usbd_bulk_transfer(
502 sc
->sc_bulkin_xfer
, sc
->sc_bulkin_pipe
,
503 USBD_SHORT_XFER_OK
, USBD_NO_TIMEOUT
,
504 sc
->sc_bulkin_buffer
, &tn
,
507 if (err
== USBD_INTERRUPTED
)
509 else if (err
== USBD_TIMEOUT
)
515 DPRINTFN(1, ("uscannerread: got %d bytes\n", tn
));
516 error
= uiomove(sc
->sc_bulkin_buffer
, tn
, uio
);
525 uscannerread(struct dev_read_args
*ap
)
527 cdev_t dev
= ap
->a_head
.a_dev
;
528 struct uscanner_softc
*sc
;
531 USB_GET_SC(uscanner
, USCANNERUNIT(dev
), sc
);
534 error
= uscanner_do_read(sc
, ap
->a_uio
, ap
->a_ioflag
);
535 if (--sc
->sc_refcnt
< 0)
536 usb_detach_wakeup(sc
->sc_dev
);
542 uscanner_do_write(struct uscanner_softc
*sc
, struct uio
*uio
, int flag
)
548 DPRINTFN(5, ("%s: uscanner_do_write\n", device_get_nameunit(sc
->sc_dev
)));
553 while ((n
= min(sc
->sc_bulkout_bufferlen
, uio
->uio_resid
)) != 0) {
554 error
= uiomove(sc
->sc_bulkout_buffer
, n
, uio
);
557 DPRINTFN(1, ("uscanner_do_write: transfer %d bytes\n", n
));
558 err
= usbd_bulk_transfer(
559 sc
->sc_bulkout_xfer
, sc
->sc_bulkout_pipe
,
561 sc
->sc_bulkout_buffer
, &n
,
564 if (err
== USBD_INTERRUPTED
)
576 uscannerwrite(struct dev_write_args
*ap
)
578 cdev_t dev
= ap
->a_head
.a_dev
;
579 struct uscanner_softc
*sc
;
582 USB_GET_SC(uscanner
, USCANNERUNIT(dev
), sc
);
585 error
= uscanner_do_write(sc
, ap
->a_uio
, ap
->a_ioflag
);
586 if (--sc
->sc_refcnt
< 0)
587 usb_detach_wakeup(sc
->sc_dev
);
593 USB_DETACH_START(uscanner
, sc
);
595 DPRINTF(("uscanner_detach: sc=%p\n", sc
));
598 sc
->sc_dev_flags
= 0; /* make close really close device */
600 /* Abort all pipes. Causes processes waiting for transfer to wake. */
601 if (sc
->sc_bulkin_pipe
!= NULL
)
602 usbd_abort_pipe(sc
->sc_bulkin_pipe
);
603 if (sc
->sc_bulkout_pipe
!= NULL
)
604 usbd_abort_pipe(sc
->sc_bulkout_pipe
);
607 if (--sc
->sc_refcnt
>= 0) {
608 /* Wait for processes to go away. */
609 usb_detach_wait(sc
->sc_dev
);
613 /* destroy the device for the control endpoint */
614 dev_ops_remove(&uscanner_ops
, -1, device_get_unit(sc
->sc_dev
));
616 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH
, sc
->sc_udev
,
623 uscannerpoll(struct dev_poll_args
*ap
)
625 cdev_t dev
= ap
->a_head
.a_dev
;
626 struct uscanner_softc
*sc
;
629 USB_GET_SC(uscanner
, USCANNERUNIT(dev
), sc
);
635 * We have no easy way of determining if a read will
636 * yield any data or a write will happen.
639 revents
|= ap
->a_events
&
640 (POLLIN
| POLLRDNORM
| POLLOUT
| POLLWRNORM
);
642 ap
->a_events
= revents
;
646 DRIVER_MODULE(uscanner
, uhub
, uscanner_driver
, uscanner_devclass
, usbd_driver_load
, 0);