Merge from vendor branch ZLIB:
[dragonfly.git] / sys / dev / usbmisc / uscanner / uscanner.c
CommitLineData
62ade751 1/*
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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 $
4e01b467 4 * $DragonFly: src/sys/dev/usbmisc/uscanner/uscanner.c,v 1.10 2005/06/02 20:41:05 dillon Exp $
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5 */
6
7/* Also already merged from NetBSD:
8 * $NetBSD: uscanner.c,v 1.33 2002/09/23 05:51:24 simonb Exp $
62ade751 9 */
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10
11/*
12 * Copyright (c) 2000 The NetBSD Foundation, Inc.
13 * All rights reserved.
14 *
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).
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
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.
35 *
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.
47 */
48
49
50#include <sys/param.h>
51#include <sys/systm.h>
52#include <sys/kernel.h>
53#include <sys/malloc.h>
54#if defined(__NetBSD__) || defined(__OpenBSD__)
55#include <sys/device.h>
d47ac1a2 56#elif defined(__FreeBSD__) || defined(__DragonFly__)
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57#include <sys/module.h>
58#include <sys/bus.h>
59#include <sys/conf.h>
60#include <sys/fcntl.h>
61#include <sys/filio.h>
62#endif
63#include <sys/tty.h>
64#include <sys/file.h>
d47ac1a2 65#if defined(__FreeBSD__) && __FreeBSD_version >= 500014
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66#include <sys/selinfo.h>
67#else
984263bc 68#include <sys/select.h>
1550dfd9 69#endif
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70#include <sys/proc.h>
71#include <sys/vnode.h>
72#include <sys/poll.h>
73#include <sys/conf.h>
74#include <sys/sysctl.h>
4e01b467 75#include <sys/thread2.h>
984263bc 76
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77#include <bus/usb/usb.h>
78#include <bus/usb/usbdi.h>
79#include <bus/usb/usbdi_util.h>
984263bc 80
1f2de5d4 81#include <bus/usb/usbdevs.h>
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82
83#ifdef USB_DEBUG
84#define DPRINTF(x) if (uscannerdebug) logprintf x
85#define DPRINTFN(n,x) if (uscannerdebug>(n)) logprintf x
86int uscannerdebug = 0;
87SYSCTL_NODE(_hw_usb, OID_AUTO, uscanner, CTLFLAG_RW, 0, "USB uscanner");
88SYSCTL_INT(_hw_usb_uscanner, OID_AUTO, debug, CTLFLAG_RW,
89 &uscannerdebug, 0, "uscanner debug level");
90#else
91#define DPRINTF(x)
92#define DPRINTFN(n,x)
93#endif
94
95struct uscan_info {
96 struct usb_devno devno;
97 u_int flags;
98#define USC_KEEP_OPEN 1
99};
100
101/* Table of scanners that may work with this driver. */
102static const struct uscan_info uscanner_devs[] = {
103 /* Acer Peripherals */
104 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_320U }, 0 },
105 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_640U }, 0 },
106 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_620U }, 0 },
107 {{ USB_VENDOR_ACERP, USB_PRODUCT_ACERP_ACERSCAN_C310U }, 0 },
108
109 /* AGFA */
110 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1236U }, 0 },
111 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1212U }, 0 },
112 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCAN1212U2 }, 0 },
113 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANTOUCH }, 0 },
114 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE40 }, 0 },
115 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE50 }, 0 },
116 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE20 }, 0 },
117 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE25 }, 0 },
118 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE26 }, 0 },
119 {{ USB_VENDOR_AGFA, USB_PRODUCT_AGFA_SNAPSCANE52 }, 0 },
120
121 /* Avision */
122 {{ USB_VENDOR_AVISION, USB_PRODUCT_AVISION_1200U }, 0 },
123
124 /* Canon */
125 {{ USB_VENDOR_CANON, USB_PRODUCT_CANON_N656U }, 0 },
126
127 /* Kye */
128 {{ USB_VENDOR_KYE, USB_PRODUCT_KYE_VIVIDPRO }, 0 },
129
130 /* HP */
131 {{ USB_VENDOR_HP, USB_PRODUCT_HP_2200C }, 0 },
132 {{ USB_VENDOR_HP, USB_PRODUCT_HP_3300C }, 0 },
133 {{ USB_VENDOR_HP, USB_PRODUCT_HP_3400CSE }, 0 },
134 {{ USB_VENDOR_HP, USB_PRODUCT_HP_4100C }, 0 },
135 {{ USB_VENDOR_HP, USB_PRODUCT_HP_4200C }, 0 },
136 {{ USB_VENDOR_HP, USB_PRODUCT_HP_4300C }, 0 },
137 {{ USB_VENDOR_HP, USB_PRODUCT_HP_S20 }, 0 },
138 {{ USB_VENDOR_HP, USB_PRODUCT_HP_5200C }, 0 },
139 {{ USB_VENDOR_HP, USB_PRODUCT_HP_5300C }, 0 },
140 {{ USB_VENDOR_HP, USB_PRODUCT_HP_5400C }, 0 },
141 {{ USB_VENDOR_HP, USB_PRODUCT_HP_6200C }, 0 },
142 {{ USB_VENDOR_HP, USB_PRODUCT_HP_6300C }, 0 },
143
144 /* Microtek */
145 {{ USB_VENDOR_SCANLOGIC, USB_PRODUCT_SCANLOGIC_336CX }, 0 },
146 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_X6U }, 0 },
147 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_336CX }, 0 },
148 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_336CX2 }, 0 },
149 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_C6 }, 0 },
150 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6USL }, 0 },
151 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6USL2 }, 0 },
152 {{ USB_VENDOR_MICROTEK, USB_PRODUCT_MICROTEK_V6UL }, 0 },
153
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154 /* Minolta */
155 {{ USB_VENDOR_MINOLTA, USB_PRODUCT_MINOLTA_5400 }, 0 },
156
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157 /* Mustek */
158 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200CU }, 0 },
159 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_BEARPAW1200F }, 0 },
62ade751 160 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_BEARPAW1200TA }, 0 },
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161 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_600USB }, 0 },
162 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_600CU }, 0 },
163 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200USB }, 0 },
164 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200UB }, 0 },
165 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200USBPLUS }, 0 },
166 {{ USB_VENDOR_MUSTEK, USB_PRODUCT_MUSTEK_1200CUPLUS }, 0 },
167
168 /* National */
169 {{ USB_VENDOR_NATIONAL, USB_PRODUCT_NATIONAL_BEARPAW1200 }, 0 },
170 {{ USB_VENDOR_NATIONAL, USB_PRODUCT_NATIONAL_BEARPAW2400 }, 0 },
171
172 /* Primax */
173 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2X300 }, 0 },
174 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E300 }, 0 },
175 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2300 }, 0 },
176 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E3002 }, 0 },
177 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_9600 }, 0 },
178 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_600U }, 0 },
179 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_6200 }, 0 },
180 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_19200 }, 0 },
181 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_1200U }, 0 },
182 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G600 }, 0 },
183 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_636I }, 0 },
184 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2600 }, 0 },
185 {{ USB_VENDOR_PRIMAX, USB_PRODUCT_PRIMAX_G2E600 }, 0 },
186
187 /* Epson */
188 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_636 }, 0 },
189 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_610 }, 0 },
190 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1200 }, 0 },
191 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1240 }, 0 },
62ade751 192 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1250 }, 0 },
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193 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1600 }, 0 },
194 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1640 }, 0 },
195 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_640U }, 0 },
196 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1650 }, 0 },
197 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1660 }, 0 },
198 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_1260 }, 0 },
199 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_GT9700F }, USC_KEEP_OPEN },
62ade751 200 {{ USB_VENDOR_EPSON, USB_PRODUCT_EPSON_GT9300UF }, 0 },
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201
202 /* UMAX */
203 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA1220U }, 0 },
204 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA1236U }, 0 },
205 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2000U }, 0 },
1550dfd9 206 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2100U }, 0 },
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207 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA2200U }, 0 },
208 {{ USB_VENDOR_UMAX, USB_PRODUCT_UMAX_ASTRA3400 }, 0 },
209
210 /* Visioneer */
211 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_3000 }, 0 },
212 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_5300 }, 0 },
213 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_7600 }, 0 },
214 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_6100 }, 0 },
215 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_6200 }, 0 },
216 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_8100 }, 0 },
217 {{ USB_VENDOR_VISIONEER, USB_PRODUCT_VISIONEER_8600 }, 0 },
218
219 /* Ultima */
220 {{ USB_VENDOR_ULTIMA, USB_PRODUCT_ULTIMA_1200UBPLUS }, 0 },
221
222};
223#define uscanner_lookup(v, p) ((const struct uscan_info *)usb_lookup(uscanner_devs, v, p))
224
225#define USCANNER_BUFFERSIZE 1024
226
227struct uscanner_softc {
228 USBBASEDEVICE sc_dev; /* base device */
229 usbd_device_handle sc_udev;
230 usbd_interface_handle sc_iface;
231
232 u_int sc_dev_flags;
233
234 usbd_pipe_handle sc_bulkin_pipe;
235 int sc_bulkin;
236 usbd_xfer_handle sc_bulkin_xfer;
237 void *sc_bulkin_buffer;
238 int sc_bulkin_bufferlen;
239 int sc_bulkin_datalen;
240
241 usbd_pipe_handle sc_bulkout_pipe;
242 int sc_bulkout;
243 usbd_xfer_handle sc_bulkout_xfer;
244 void *sc_bulkout_buffer;
245 int sc_bulkout_bufferlen;
246 int sc_bulkout_datalen;
247
248 u_char sc_state;
249#define USCANNER_OPEN 0x01 /* opened */
250
251 int sc_refcnt;
252 u_char sc_dying;
253};
254
255#if defined(__NetBSD__) || defined(__OpenBSD__)
256cdev_decl(uscanner);
d47ac1a2 257#elif defined(__FreeBSD__) || defined(__DragonFly__)
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258d_open_t uscanneropen;
259d_close_t uscannerclose;
260d_read_t uscannerread;
261d_write_t uscannerwrite;
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262d_poll_t uscannerpoll;
263
264#define USCANNER_CDEV_MAJOR 156
265
266Static struct cdevsw uscanner_cdevsw = {
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267 /* name */ "uscanner",
268 /* maj */ USCANNER_CDEV_MAJOR,
269 /* flags */ 0,
270 /* port */ NULL,
455fcd7e 271 /* clone */ NULL,
fabb8ceb 272
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273 /* open */ uscanneropen,
274 /* close */ uscannerclose,
275 /* read */ uscannerread,
276 /* write */ uscannerwrite,
1550dfd9 277 /* ioctl */ noioctl,
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278 /* poll */ uscannerpoll,
279 /* mmap */ nommap,
280 /* strategy */ nostrategy,
984263bc 281 /* dump */ nodump,
fabb8ceb 282 /* psize */ nopsize
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283};
284#endif
285
286Static int uscanner_do_read(struct uscanner_softc *, struct uio *, int);
287Static int uscanner_do_write(struct uscanner_softc *, struct uio *, int);
288Static void uscanner_do_close(struct uscanner_softc *);
289
290#define USCANNERUNIT(n) (minor(n))
291
292USB_DECLARE_DRIVER(uscanner);
293
294USB_MATCH(uscanner)
295{
296 USB_MATCH_START(uscanner, uaa);
297
298 if (uaa->iface != NULL)
299 return UMATCH_NONE;
300
301 return (uscanner_lookup(uaa->vendor, uaa->product) != NULL ?
302 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
303}
304
305USB_ATTACH(uscanner)
306{
307 USB_ATTACH_START(uscanner, sc, uaa);
308 usb_interface_descriptor_t *id = 0;
309 usb_endpoint_descriptor_t *ed, *ed_bulkin = NULL, *ed_bulkout = NULL;
310 char devinfo[1024];
311 int i;
312 usbd_status err;
313
314 usbd_devinfo(uaa->device, 0, devinfo);
315 USB_ATTACH_SETUP;
316 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfo);
317
318 sc->sc_dev_flags = uscanner_lookup(uaa->vendor, uaa->product)->flags;
319
320 sc->sc_udev = uaa->device;
321
322 err = usbd_set_config_no(uaa->device, 1, 1); /* XXX */
323 if (err) {
324 printf("%s: setting config no failed\n",
325 USBDEVNAME(sc->sc_dev));
326 USB_ATTACH_ERROR_RETURN;
327 }
328
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 printf("%s: could not get interface descriptor, err=%d,id=%p\n",
335 USBDEVNAME(sc->sc_dev), err, id);
336 USB_ATTACH_ERROR_RETURN;
337 }
338
339 /* Find the two first bulk endpoints */
340 for (i = 0 ; i < id->bNumEndpoints; i++) {
341 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
342 if (ed == 0) {
343 printf("%s: could not read endpoint descriptor\n",
344 USBDEVNAME(sc->sc_dev));
345 USB_ATTACH_ERROR_RETURN;
346 }
347
348 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN
349 && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
350 ed_bulkin = ed;
351 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT
352 && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
353 ed_bulkout = ed;
354 }
355
356 if (ed_bulkin && ed_bulkout) /* found all we need */
357 break;
358 }
359
360 /* Verify that we goething sensible */
361 if (ed_bulkin == NULL || ed_bulkout == NULL) {
362 printf("%s: bulk-in and/or bulk-out endpoint not found\n",
363 USBDEVNAME(sc->sc_dev));
364 USB_ATTACH_ERROR_RETURN;
365 }
366
367 sc->sc_bulkin = ed_bulkin->bEndpointAddress;
368 sc->sc_bulkout = ed_bulkout->bEndpointAddress;
369
d47ac1a2 370#if defined(__FreeBSD__) || defined(__DragonFly__)
984263bc 371 /* the main device, ctrl endpoint */
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372 cdevsw_add(&uscanner_cdevsw, -1, USBDEVUNIT(sc->sc_dev));
373 make_dev(&uscanner_cdevsw, USBDEVUNIT(sc->sc_dev),
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374 UID_ROOT, GID_OPERATOR, 0644, "%s", USBDEVNAME(sc->sc_dev));
375#endif
376
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377 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
378 USBDEV(sc->sc_dev));
379
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380 USB_ATTACH_SUCCESS_RETURN;
381}
382
383int
384uscanneropen(dev_t dev, int flag, int mode, usb_proc_ptr p)
385{
386 struct uscanner_softc *sc;
387 int unit = USCANNERUNIT(dev);
388 usbd_status err;
389
390 USB_GET_SC_OPEN(uscanner, unit, sc);
391
1550dfd9 392 DPRINTFN(5, ("uscanneropen: flag=%d, mode=%d, unit=%d\n",
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393 flag, mode, unit));
394
395 if (sc->sc_dying)
396 return (ENXIO);
397
398 if (sc->sc_state & USCANNER_OPEN)
399 return (EBUSY);
400
401 sc->sc_state |= USCANNER_OPEN;
402
403 sc->sc_bulkin_buffer = malloc(USCANNER_BUFFERSIZE, M_USBDEV, M_WAITOK);
404 sc->sc_bulkout_buffer = malloc(USCANNER_BUFFERSIZE, M_USBDEV, M_WAITOK);
405 /* No need to check buffers for NULL since we have WAITOK */
406
407 sc->sc_bulkin_bufferlen = USCANNER_BUFFERSIZE;
408 sc->sc_bulkout_bufferlen = USCANNER_BUFFERSIZE;
409
410 /* We have decided on which endpoints to use, now open the pipes */
411 if (sc->sc_bulkin_pipe == NULL) {
412 err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkin,
413 USBD_EXCLUSIVE_USE, &sc->sc_bulkin_pipe);
414 if (err) {
415 printf("%s: cannot open bulk-in pipe (addr %d)\n",
416 USBDEVNAME(sc->sc_dev), sc->sc_bulkin);
417 uscanner_do_close(sc);
418 return (EIO);
419 }
420 }
421 if (sc->sc_bulkout_pipe == NULL) {
422 err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkout,
423 USBD_EXCLUSIVE_USE, &sc->sc_bulkout_pipe);
424 if (err) {
425 printf("%s: cannot open bulk-out pipe (addr %d)\n",
426 USBDEVNAME(sc->sc_dev), sc->sc_bulkout);
427 uscanner_do_close(sc);
428 return (EIO);
429 }
430 }
431
432 sc->sc_bulkin_xfer = usbd_alloc_xfer(sc->sc_udev);
433 if (sc->sc_bulkin_xfer == NULL) {
434 uscanner_do_close(sc);
435 return (ENOMEM);
436 }
437 sc->sc_bulkout_xfer = usbd_alloc_xfer(sc->sc_udev);
438 if (sc->sc_bulkout_xfer == NULL) {
439 uscanner_do_close(sc);
440 return (ENOMEM);
441 }
442
443 return (0); /* success */
444}
445
446int
447uscannerclose(dev_t dev, int flag, int mode, usb_proc_ptr p)
448{
449 struct uscanner_softc *sc;
450
451 USB_GET_SC(uscanner, USCANNERUNIT(dev), sc);
452
453 DPRINTFN(5, ("uscannerclose: flag=%d, mode=%d, unit=%d\n",
454 flag, mode, USCANNERUNIT(dev)));
455
456#ifdef DIAGNOSTIC
457 if (!(sc->sc_state & USCANNER_OPEN)) {
458 printf("uscannerclose: not open\n");
459 return (EINVAL);
460 }
461#endif
462
463 uscanner_do_close(sc);
464
465 return (0);
466}
467
468void
469uscanner_do_close(struct uscanner_softc *sc)
470{
471 if (sc->sc_bulkin_xfer) {
472 usbd_free_xfer(sc->sc_bulkin_xfer);
473 sc->sc_bulkin_xfer = NULL;
474 }
475 if (sc->sc_bulkout_xfer) {
476 usbd_free_xfer(sc->sc_bulkout_xfer);
477 sc->sc_bulkout_xfer = NULL;
478 }
479
480 if (!(sc->sc_dev_flags & USC_KEEP_OPEN)) {
481 if (sc->sc_bulkin_pipe != NULL) {
482 usbd_abort_pipe(sc->sc_bulkin_pipe);
483 usbd_close_pipe(sc->sc_bulkin_pipe);
484 sc->sc_bulkin_pipe = NULL;
485 }
486 if (sc->sc_bulkout_pipe != NULL) {
487 usbd_abort_pipe(sc->sc_bulkout_pipe);
488 usbd_close_pipe(sc->sc_bulkout_pipe);
489 sc->sc_bulkout_pipe = NULL;
490 }
491 }
492
493 if (sc->sc_bulkin_buffer) {
494 free(sc->sc_bulkin_buffer, M_USBDEV);
495 sc->sc_bulkin_buffer = NULL;
496 }
497 if (sc->sc_bulkout_buffer) {
498 free(sc->sc_bulkout_buffer, M_USBDEV);
499 sc->sc_bulkout_buffer = NULL;
500 }
501
502 sc->sc_state &= ~USCANNER_OPEN;
503}
504
505Static int
506uscanner_do_read(struct uscanner_softc *sc, struct uio *uio, int flag)
507{
508 u_int32_t n, tn;
509 usbd_status err;
510 int error = 0;
511
512 DPRINTFN(5, ("%s: uscannerread\n", USBDEVNAME(sc->sc_dev)));
513
514 if (sc->sc_dying)
515 return (EIO);
516
517 while ((n = min(sc->sc_bulkin_bufferlen, uio->uio_resid)) != 0) {
518 DPRINTFN(1, ("uscannerread: start transfer %d bytes\n",n));
519 tn = n;
520
521 err = usbd_bulk_transfer(
522 sc->sc_bulkin_xfer, sc->sc_bulkin_pipe,
523 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT,
524 sc->sc_bulkin_buffer, &tn,
525 "uscnrb");
526 if (err) {
527 if (err == USBD_INTERRUPTED)
528 error = EINTR;
529 else if (err == USBD_TIMEOUT)
530 error = ETIMEDOUT;
531 else
532 error = EIO;
533 break;
534 }
535 DPRINTFN(1, ("uscannerread: got %d bytes\n", tn));
536 error = uiomove(sc->sc_bulkin_buffer, tn, uio);
537 if (error || tn < n)
538 break;
539 }
540
541 return (error);
542}
543
544int
545uscannerread(dev_t dev, struct uio *uio, int flag)
546{
547 struct uscanner_softc *sc;
548 int error;
549
550 USB_GET_SC(uscanner, USCANNERUNIT(dev), sc);
551
552 sc->sc_refcnt++;
553 error = uscanner_do_read(sc, uio, flag);
554 if (--sc->sc_refcnt < 0)
555 usb_detach_wakeup(USBDEV(sc->sc_dev));
556
557 return (error);
558}
559
560Static int
561uscanner_do_write(struct uscanner_softc *sc, struct uio *uio, int flag)
562{
563 u_int32_t n;
564 int error = 0;
565 usbd_status err;
566
567 DPRINTFN(5, ("%s: uscanner_do_write\n", USBDEVNAME(sc->sc_dev)));
568
569 if (sc->sc_dying)
570 return (EIO);
571
572 while ((n = min(sc->sc_bulkout_bufferlen, uio->uio_resid)) != 0) {
573 error = uiomove(sc->sc_bulkout_buffer, n, uio);
574 if (error)
575 break;
576 DPRINTFN(1, ("uscanner_do_write: transfer %d bytes\n", n));
577 err = usbd_bulk_transfer(
578 sc->sc_bulkout_xfer, sc->sc_bulkout_pipe,
579 0, USBD_NO_TIMEOUT,
580 sc->sc_bulkout_buffer, &n,
581 "uscnwb");
582 if (err) {
583 if (err == USBD_INTERRUPTED)
584 error = EINTR;
585 else
586 error = EIO;
587 break;
588 }
589 }
590
591 return (error);
592}
593
594int
595uscannerwrite(dev_t dev, struct uio *uio, int flag)
596{
597 struct uscanner_softc *sc;
598 int error;
599
600 USB_GET_SC(uscanner, USCANNERUNIT(dev), sc);
601
602 sc->sc_refcnt++;
603 error = uscanner_do_write(sc, uio, flag);
604 if (--sc->sc_refcnt < 0)
605 usb_detach_wakeup(USBDEV(sc->sc_dev));
606 return (error);
607}
608
609#if defined(__NetBSD__) || defined(__OpenBSD__)
610int
611uscanner_activate(device_ptr_t self, enum devact act)
612{
613 struct uscanner_softc *sc = (struct uscanner_softc *)self;
614
615 switch (act) {
616 case DVACT_ACTIVATE:
617 return (EOPNOTSUPP);
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618
619 case DVACT_DEACTIVATE:
620 sc->sc_dying = 1;
621 break;
622 }
623 return (0);
624}
625#endif
626
627USB_DETACH(uscanner)
628{
629 USB_DETACH_START(uscanner, sc);
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630#if defined(__NetBSD__) || defined(__OpenBSD__)
631 int maj, mn;
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632#endif
633
634#if defined(__NetBSD__) || defined(__OpenBSD__)
635 DPRINTF(("uscanner_detach: sc=%p flags=%d\n", sc, flags));
d47ac1a2 636#elif defined(__FreeBSD__) || defined(__DragonFly__)
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637 DPRINTF(("uscanner_detach: sc=%p\n", sc));
638#endif
639
640 sc->sc_dying = 1;
641 sc->sc_dev_flags = 0; /* make close really close device */
642
643 /* Abort all pipes. Causes processes waiting for transfer to wake. */
644 if (sc->sc_bulkin_pipe != NULL)
645 usbd_abort_pipe(sc->sc_bulkin_pipe);
646 if (sc->sc_bulkout_pipe != NULL)
647 usbd_abort_pipe(sc->sc_bulkout_pipe);
648
4e01b467 649 crit_enter();
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650 if (--sc->sc_refcnt >= 0) {
651 /* Wait for processes to go away. */
652 usb_detach_wait(USBDEV(sc->sc_dev));
653 }
4e01b467 654 crit_exit();
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655
656#if defined(__NetBSD__) || defined(__OpenBSD__)
657 /* locate the major number */
658 for (maj = 0; maj < nchrdev; maj++)
659 if (cdevsw[maj].d_open == uscanneropen)
660 break;
661
662 /* Nuke the vnodes for any open instances (calls close). */
663 mn = self->dv_unit * USB_MAX_ENDPOINTS;
664 vdevgone(maj, mn, mn + USB_MAX_ENDPOINTS - 1, VCHR);
d47ac1a2 665#elif defined(__FreeBSD__) || defined(__DragonFly__)
984263bc 666 /* destroy the device for the control endpoint */
e4c9c0c8 667 cdevsw_remove(&uscanner_cdevsw, -1, USBDEVUNIT(sc->sc_dev));
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668#endif
669
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670 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
671 USBDEV(sc->sc_dev));
672
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673 return (0);
674}
675
676int
677uscannerpoll(dev_t dev, int events, usb_proc_ptr p)
678{
679 struct uscanner_softc *sc;
680 int revents = 0;
681
682 USB_GET_SC(uscanner, USCANNERUNIT(dev), sc);
683
684 if (sc->sc_dying)
685 return (EIO);
686
1550dfd9 687 /*
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688 * We have no easy way of determining if a read will
689 * yield any data or a write will happen.
690 * Pretend they will.
691 */
1550dfd9 692 revents |= events &
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693 (POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM);
694
695 return (revents);
696}
697
d47ac1a2 698#if defined(__FreeBSD__) || defined(__DragonFly__)
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699DRIVER_MODULE(uscanner, uhub, uscanner_driver, uscanner_devclass, usbd_driver_load, 0);
700#endif