DEVFS - remove dev_ops_add(), dev_ops_get(), and get_dev()
[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 $
2f2b0fd0 4 * $DragonFly: src/sys/dev/usbmisc/uscanner/uscanner.c,v 1.27 2008/01/16 12:25:36 matthias 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>
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54#include <sys/module.h>
55#include <sys/bus.h>
56#include <sys/conf.h>
57#include <sys/fcntl.h>
58#include <sys/filio.h>
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59#include <sys/tty.h>
60#include <sys/file.h>
61#include <sys/select.h>
62#include <sys/proc.h>
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63#include <sys/poll.h>
64#include <sys/conf.h>
65#include <sys/sysctl.h>
4e01b467 66#include <sys/thread2.h>
984263bc 67
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68#include <bus/usb/usb.h>
69#include <bus/usb/usbdi.h>
70#include <bus/usb/usbdi_util.h>
984263bc 71
984263bc 72#ifdef USB_DEBUG
fc1ef497
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73#define DPRINTF(x) if (uscannerdebug) kprintf x
74#define DPRINTFN(n,x) if (uscannerdebug>(n)) kprintf x
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75int uscannerdebug = 0;
76SYSCTL_NODE(_hw_usb, OID_AUTO, uscanner, CTLFLAG_RW, 0, "USB uscanner");
77SYSCTL_INT(_hw_usb_uscanner, OID_AUTO, debug, CTLFLAG_RW,
78 &uscannerdebug, 0, "uscanner debug level");
79#else
80#define DPRINTF(x)
81#define DPRINTFN(n,x)
82#endif
83
84struct uscan_info {
85 struct usb_devno devno;
86 u_int flags;
87#define USC_KEEP_OPEN 1
88};
89
90/* Table of scanners that may work with this driver. */
91static const struct uscan_info uscanner_devs[] = {
92 /* Acer Peripherals */
3f56796e 93 {{ USB_DEVICE(0x04a5, 0x2022) }, 0 }, /* Acerscan 320U */
2f2b0fd0 94 {{ USB_DEVICE(0x04a5, 0x20b0) }, 0 }, /* Benq 3300U/4300U */
3f56796e 95 {{ USB_DEVICE(0x04a5, 0x2040) }, 0 }, /* Acerscan 640U */
2f2b0fd0 96 {{ USB_DEVICE(0x04a5, 0x20be) }, 0 }, /* Acerscan 640BT */
3f56796e 97 {{ USB_DEVICE(0x04a5, 0x2060) }, 0 }, /* Acerscan 620U */
2f2b0fd0 98 {{ USB_DEVICE(0x04a5, 0x20c0) }, 0 }, /* Acerscan 1240U */
3f56796e 99 {{ USB_DEVICE(0x04a5, 0x12a6) }, 0 }, /* Acerscan C310U */
984263bc 100 /* AGFA */
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101 {{ USB_DEVICE(0x06bd, 0x0002) }, 0 }, /* SnapScan 1236U */
102 {{ USB_DEVICE(0x06bd, 0x0001) }, 0 }, /* SnapScan 1212U */
103 {{ USB_DEVICE(0x06bd, 0x2061) }, 0 }, /* SnapScan 1212U */
104 {{ USB_DEVICE(0x06bd, 0x0100) }, 0 }, /* SnapScan Touch */
105 {{ USB_DEVICE(0x06bd, 0x208d) }, 0 }, /* SnapScan e40 */
106 {{ USB_DEVICE(0x06bd, 0x208f) }, 0 }, /* SnapScan e50 */
107 {{ USB_DEVICE(0x06bd, 0x2091) }, 0 }, /* SnapScan e20 */
108 {{ USB_DEVICE(0x06bd, 0x2095) }, 0 }, /* SnapScan e25 */
109 {{ USB_DEVICE(0x06bd, 0x2097) }, 0 }, /* SnapScan e26 */
110 {{ USB_DEVICE(0x06bd, 0x20fd) }, 0 }, /* SnapScan e52 */
984263bc 111 /* Avision */
3f56796e 112 {{ USB_DEVICE(0x0638, 0x0268) }, 0 }, /* Avision 1200U */
984263bc 113 /* Canon */
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114 {{ USB_DEVICE(0x04a9, 0x2206) }, 0 }, /* CanoScan N656U */
115 {{ USB_DEVICE(0x04a9, 0x220d) }, 0 }, /* CanoScan N676U */
2f2b0fd0 116 {{ USB_DEVICE(0x04a9, 0x2207) }, 0 }, /* CanoScan N1220U */
3f56796e 117 {{ USB_DEVICE(0x04a9, 0x2208) }, 0 }, /* CanoScan D660U */
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118 {{ USB_DEVICE(0x04a9, 0x220e) }, 0 }, /* CanoScan N1240U */
119 {{ USB_DEVICE(0x04a9, 0x2220) }, 0 }, /* CanoScan LIDE 25 */
984263bc 120 /* Kye */
3f56796e 121 {{ USB_DEVICE(0x0458, 0x2001) }, 0 }, /* ColorPage Vivid-Pro */
984263bc 122 /* HP */
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123 {{ USB_DEVICE(0x03f0, 0x0605) }, 0 }, /* ScanJet 2200C */
124 {{ USB_DEVICE(0x03f0, 0x0205) }, 0 }, /* ScanJet 3300C */
125 {{ USB_DEVICE(0x03f0, 0x0405) }, 0 }, /* ScanJet 3400cse */
126 {{ USB_DEVICE(0x03f0, 0x0101) }, 0 }, /* Scanjet 4100C */
127 {{ USB_DEVICE(0x03f0, 0x0105) }, 0 }, /* ScanJet 4200C */
128 {{ USB_DEVICE(0x03f0, 0x0305) }, 0 }, /* Scanjet 4300C */
2f2b0fd0 129 {{ USB_DEVICE(0x03f0, 0x3005) }, 0 }, /* ScanJet 4670v */
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130 {{ USB_DEVICE(0x03f0, 0x0102) }, 0 }, /* Photosmart S20 */
131 {{ USB_DEVICE(0x03f0, 0x0401) }, 0 }, /* Scanjet 5200C */
132 {{ USB_DEVICE(0x03f0, 0x0701) }, 0 }, /* Scanjet 5300C */
133 {{ USB_DEVICE(0x03f0, 0x1005) }, 0 }, /* Scanjet 5400C */
134 {{ USB_DEVICE(0x03f0, 0x0201) }, 0 }, /* ScanJet 6200C */
135 {{ USB_DEVICE(0x03f0, 0x0601) }, 0 }, /* Scanjet 6300C */
2f2b0fd0 136 {{ USB_DEVICE(0x03f0, 0x0b01) }, 0 }, /* Scanjet 82x0C */
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137 /* Scanlogic */
138 {{ USB_DEVICE(0x04ce, 0x0300) }, 0 }, /* Phantom 336CX - C3 */
984263bc 139 /* Microtek */
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140 {{ USB_DEVICE(0x05da, 0x0099) }, 0 }, /* Phantom 336CX - C3 */
141 {{ USB_DEVICE(0x05da, 0x0094) }, 0 }, /* ScanMaker X6 - X6U */
142 {{ USB_DEVICE(0x05da, 0x00a0) }, 0 }, /* Phantom 336CX - C3 */
143 {{ USB_DEVICE(0x05da, 0x009a) }, 0 }, /* Phantom C6 */
144 {{ USB_DEVICE(0x05da, 0x00a3) }, 0 }, /* ScanMaker V6USL */
145 {{ USB_DEVICE(0x05da, 0x80a3) }, 0 }, /* ScanMaker V6USL */
146 {{ USB_DEVICE(0x05da, 0x80ac) }, 0 }, /* ScanMaker V6UL */
62ade751 147 /* Minolta */
3f56796e 148 {{ USB_DEVICE(0x0686, 0x400e) }, 0 }, /* Dimage 5400 */
984263bc 149 /* Mustek */
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150 {{ USB_DEVICE(0x055f, 0x0001) }, 0 }, /* 1200 CU */
151 {{ USB_DEVICE(0x055f, 0x0010) }, 0 }, /* BearPaw 1200F */
152 {{ USB_DEVICE(0x055f, 0x021e) }, 0 }, /* BearPaw 1200TA */
153 {{ USB_DEVICE(0x055f, 0x0873) }, 0 }, /* 600 USB */
154 {{ USB_DEVICE(0x055f, 0x0002) }, 0 }, /* 600 CU */
155 {{ USB_DEVICE(0x055f, 0x0003) }, 0 }, /* 1200 USB */
156 {{ USB_DEVICE(0x055f, 0x0006) }, 0 }, /* 1200 UB */
157 {{ USB_DEVICE(0x055f, 0x0007) }, 0 }, /* 1200 USB */
158 {{ USB_DEVICE(0x055f, 0x0008) }, 0 }, /* 1200 CU */
984263bc 159 /* National */
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160 {{ USB_DEVICE(0x0400, 0x1000) }, 0 }, /* BearPaw 1200 */
161 {{ USB_DEVICE(0x0400, 0x1001) }, 0 }, /* BearPaw 2400 */
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162 /* Nikon */
163 {{ USB_DEVICE(0x04b0, 0x4000) }, 0 }, /* CoolScan LS40 ED */
984263bc 164 /* Primax */
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165 {{ USB_DEVICE(0x0461, 0x0300) }, 0 }, /* G2-200 */
166 {{ USB_DEVICE(0x0461, 0x0301) }, 0 }, /* G2E-300 */
167 {{ USB_DEVICE(0x0461, 0x0302) }, 0 }, /* G2-300 */
168 {{ USB_DEVICE(0x0461, 0x0303) }, 0 }, /* G2E-300 */
169 {{ USB_DEVICE(0x0461, 0x0340) }, 0 }, /* Colorado USB 9600 */
170 {{ USB_DEVICE(0x0461, 0x0341) }, 0 }, /* Colorado 600u */
171 {{ USB_DEVICE(0x0461, 0x0345) }, 0 }, /* Visioneer 6200 */
172 {{ USB_DEVICE(0x0461, 0x0360) }, 0 }, /* Colorado USB 19200 */
173 {{ USB_DEVICE(0x0461, 0x0361) }, 0 }, /* Colorado 1200u */
174 {{ USB_DEVICE(0x0461, 0x0380) }, 0 }, /* G2-600 */
175 {{ USB_DEVICE(0x0461, 0x0381) }, 0 }, /* ReadyScan 636i */
176 {{ USB_DEVICE(0x0461, 0x0382) }, 0 }, /* G2-600 */
177 {{ USB_DEVICE(0x0461, 0x0383) }, 0 }, /* G2E-600 */
984263bc 178 /* Epson */
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HT
179 {{ USB_DEVICE(0x04b8, 0x0101) }, 0 }, /* Perfection 636U/636Photo */
180 {{ USB_DEVICE(0x04b8, 0x0103) }, 0 }, /* Perfection 610 */
181 {{ USB_DEVICE(0x04b8, 0x0104) }, 0 }, /* Perfection 1200U/1200Photo */
182 {{ USB_DEVICE(0x04b8, 0x010b) }, 0 }, /* Perfection 1240U/1240Photo */
183 {{ USB_DEVICE(0x04b8, 0x010f) }, 0 }, /* Perfection 1250U/1250Photo */
184 {{ USB_DEVICE(0x04b8, 0x0107) }, 0 }, /* Expression 1600 */
185 {{ USB_DEVICE(0x04b8, 0x010a) }, 0 }, /* Perfection 1640SU */
186 {{ USB_DEVICE(0x04b8, 0x010c) }, 0 }, /* Perfection 640U */
187 {{ USB_DEVICE(0x04b8, 0x0110) }, 0 }, /* Perfection 1650 */
188 {{ USB_DEVICE(0x04b8, 0x011e) }, 0 }, /* Perfection 1660 */
189 {{ USB_DEVICE(0x04b8, 0x011d) }, 0 }, /* Perfection 1260 */
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190 {{ USB_DEVICE(0x04b8, 0x011f) }, 0 }, /* Perfection 1670 */
191 {{ USB_DEVICE(0x04b8, 0x0120) }, 0 }, /* Perfection 1270 */
192 {{ USB_DEVICE(0x04b8, 0x080f) }, 0 }, /* Stylus Photo RX425 */
193 {{ USB_DEVICE(0x04b8, 0x011c) }, USC_KEEP_OPEN }, /* Perfection 3200 */
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HT
194 {{ USB_DEVICE(0x04b8, 0x0112) }, USC_KEEP_OPEN }, /* GT-9700F */
195 {{ USB_DEVICE(0x04b8, 0x011b) }, 0 }, /* GT-9300UF */
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196 {{ USB_DEVICE(0x04b8, 0x0121) }, 0 }, /* Perfection 2480 */
197 {{ USB_DEVICE(0x04b8, 0x080e) }, USC_KEEP_OPEN }, /* CX-3500/3600/3650 MFP */
198 {{ USB_DEVICE(0x04b8, 0x0122) }, 0 }, /* Perfection 3590 */
199 {{ USB_DEVICE(0x04b8, 0x0820) }, 0 }, /* CX4200 MP */
200 {{ USB_DEVICE(0x04b8, 0x012a) }, 0 }, /* Perfection 4990 Photo */
201 {{ USB_DEVICE(0x04b8, 0x082b) }, 0 }, /* DX-50x0 MFP */
202 {{ USB_DEVICE(0x04b8, 0x082e) }, 0 }, /* DX-60x0 MFP */
984263bc 203 /* UMAX */
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HT
204 {{ USB_DEVICE(0x1606, 0x0010) }, 0 }, /* Astra 1220U */
205 {{ USB_DEVICE(0x1606, 0x0002) }, 0 }, /* Astra 1236U */
206 {{ USB_DEVICE(0x1606, 0x0030) }, 0 }, /* Astra 2000U */
207 {{ USB_DEVICE(0x1606, 0x0130) }, 0 }, /* Astra 2100U */
208 {{ USB_DEVICE(0x1606, 0x0230) }, 0 }, /* Astra 2200U */
209 {{ USB_DEVICE(0x1606, 0x0060) }, 0 }, /* Astra 3400 */
984263bc 210 /* Visioneer */
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HT
211 {{ USB_DEVICE(0x04a7, 0x0224) }, 0 }, /* Scanport 3000 */
212 {{ USB_DEVICE(0x04a7, 0x0221) }, 0 }, /* OneTouch 5300 */
213 {{ USB_DEVICE(0x04a7, 0x0211) }, 0 }, /* OneTouch 7600 */
214 {{ USB_DEVICE(0x04a7, 0x0231) }, 0 }, /* OneTouch 6100 */
215 {{ USB_DEVICE(0x04a7, 0x0311) }, 0 }, /* OneTouch 6200 */
216 {{ USB_DEVICE(0x04a7, 0x0321) }, 0 }, /* OneTouch 8100 */
217 {{ USB_DEVICE(0x04a7, 0x0331) }, 0 }, /* OneTouch 8600 */
984263bc 218 /* Ultima */
3f56796e 219 {{ USB_DEVICE(0x05d8, 0x4002) }, 0 }, /* 1200 UB Plus */
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MD
220};
221#define uscanner_lookup(v, p) ((const struct uscan_info *)usb_lookup(uscanner_devs, v, p))
222
223#define USCANNER_BUFFERSIZE 1024
224
225struct uscanner_softc {
6ed427ca 226 device_t sc_dev; /* base device */
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227 usbd_device_handle sc_udev;
228 usbd_interface_handle sc_iface;
229
230 u_int sc_dev_flags;
231
232 usbd_pipe_handle sc_bulkin_pipe;
233 int sc_bulkin;
234 usbd_xfer_handle sc_bulkin_xfer;
235 void *sc_bulkin_buffer;
236 int sc_bulkin_bufferlen;
237 int sc_bulkin_datalen;
238
239 usbd_pipe_handle sc_bulkout_pipe;
240 int sc_bulkout;
241 usbd_xfer_handle sc_bulkout_xfer;
242 void *sc_bulkout_buffer;
243 int sc_bulkout_bufferlen;
244 int sc_bulkout_datalen;
245
246 u_char sc_state;
247#define USCANNER_OPEN 0x01 /* opened */
248
249 int sc_refcnt;
250 u_char sc_dying;
251};
252
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253d_open_t uscanneropen;
254d_close_t uscannerclose;
255d_read_t uscannerread;
256d_write_t uscannerwrite;
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257d_poll_t uscannerpoll;
258
259#define USCANNER_CDEV_MAJOR 156
260
6ed427ca 261static struct dev_ops uscanner_ops = {
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262 { "uscanner", USCANNER_CDEV_MAJOR, 0 },
263 .d_open = uscanneropen,
264 .d_close = uscannerclose,
265 .d_read = uscannerread,
266 .d_write = uscannerwrite,
267 .d_poll = uscannerpoll,
984263bc 268};
984263bc 269
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HT
270static int uscanner_do_read(struct uscanner_softc *, struct uio *, int);
271static int uscanner_do_write(struct uscanner_softc *, struct uio *, int);
272static void uscanner_do_close(struct uscanner_softc *);
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MD
273
274#define USCANNERUNIT(n) (minor(n))
275
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HT
276static device_probe_t uscanner_match;
277static device_attach_t uscanner_attach;
278static device_detach_t uscanner_detach;
279
280static devclass_t uscanner_devclass;
281
282static kobj_method_t uscanner_methods[] = {
283 DEVMETHOD(device_probe, uscanner_match),
284 DEVMETHOD(device_attach, uscanner_attach),
285 DEVMETHOD(device_detach, uscanner_detach),
286 {0,0}
287};
288
289static driver_t uscanner_driver = {
290 "uscanner",
291 uscanner_methods,
292 sizeof(struct uscanner_softc)
293};
294
295MODULE_DEPEND(uscanner, usb, 1, 1, 1);
984263bc 296
e785a5d9
HT
297static int
298uscanner_match(device_t self)
984263bc 299{
e785a5d9 300 struct usb_attach_arg *uaa = device_get_ivars(self);
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MD
301
302 if (uaa->iface != NULL)
303 return UMATCH_NONE;
304
305 return (uscanner_lookup(uaa->vendor, uaa->product) != NULL ?
306 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
307}
308
e785a5d9
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309static int
310uscanner_attach(device_t self)
984263bc 311{
e785a5d9
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312 struct uscanner_softc *sc = device_get_softc(self);
313 struct usb_attach_arg *uaa = device_get_ivars(self);
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MD
314 usb_interface_descriptor_t *id = 0;
315 usb_endpoint_descriptor_t *ed, *ed_bulkin = NULL, *ed_bulkout = NULL;
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316 int i;
317 usbd_status err;
318
e785a5d9 319 sc->sc_dev = self;
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320
321 sc->sc_dev_flags = uscanner_lookup(uaa->vendor, uaa->product)->flags;
322
323 sc->sc_udev = uaa->device;
324
325 err = usbd_set_config_no(uaa->device, 1, 1); /* XXX */
326 if (err) {
e3869ec7 327 kprintf("%s: setting config no failed\n",
6ed427ca 328 device_get_nameunit(sc->sc_dev));
e785a5d9 329 return ENXIO;
984263bc
MD
330 }
331
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) {
e3869ec7 337 kprintf("%s: could not get interface descriptor, err=%d,id=%p\n",
6ed427ca 338 device_get_nameunit(sc->sc_dev), err, id);
e785a5d9 339 return ENXIO;
984263bc
MD
340 }
341
342 /* Find the two first bulk endpoints */
343 for (i = 0 ; i < id->bNumEndpoints; i++) {
344 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
345 if (ed == 0) {
e3869ec7 346 kprintf("%s: could not read endpoint descriptor\n",
6ed427ca 347 device_get_nameunit(sc->sc_dev));
e785a5d9 348 return ENXIO;
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MD
349 }
350
351 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN
352 && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
353 ed_bulkin = ed;
354 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT
355 && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
356 ed_bulkout = ed;
357 }
358
359 if (ed_bulkin && ed_bulkout) /* found all we need */
360 break;
361 }
362
363 /* Verify that we goething sensible */
364 if (ed_bulkin == NULL || ed_bulkout == NULL) {
e3869ec7 365 kprintf("%s: bulk-in and/or bulk-out endpoint not found\n",
6ed427ca 366 device_get_nameunit(sc->sc_dev));
e785a5d9 367 return ENXIO;
984263bc
MD
368 }
369
370 sc->sc_bulkin = ed_bulkin->bEndpointAddress;
371 sc->sc_bulkout = ed_bulkout->bEndpointAddress;
372
984263bc 373 /* the main device, ctrl endpoint */
6ed427ca 374 make_dev(&uscanner_ops, device_get_unit(sc->sc_dev),
3e82b46c
MD
375 UID_ROOT, GID_OPERATOR, 0644,
376 "%s", device_get_nameunit(sc->sc_dev));
984263bc 377
1550dfd9 378 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
2939c544 379 sc->sc_dev);
1550dfd9 380
e785a5d9 381 return 0;
984263bc
MD
382}
383
384int
fef8985e 385uscanneropen(struct dev_open_args *ap)
984263bc 386{
b13267a5 387 cdev_t dev = ap->a_head.a_dev;
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388 struct uscanner_softc *sc;
389 int unit = USCANNERUNIT(dev);
390 usbd_status err;
391
1e089e7e
HT
392 sc = devclass_get_softc(uscanner_devclass, unit);
393 if (sc == NULL)
394 return (ENXIO);
984263bc 395
1550dfd9 396 DPRINTFN(5, ("uscanneropen: flag=%d, mode=%d, unit=%d\n",
fef8985e 397 ap->a_oflags, ap->a_devtype, unit));
984263bc
MD
398
399 if (sc->sc_dying)
400 return (ENXIO);
401
402 if (sc->sc_state & USCANNER_OPEN)
403 return (EBUSY);
404
405 sc->sc_state |= USCANNER_OPEN;
406
efda3bd0
MD
407 sc->sc_bulkin_buffer = kmalloc(USCANNER_BUFFERSIZE, M_USBDEV, M_WAITOK);
408 sc->sc_bulkout_buffer = kmalloc(USCANNER_BUFFERSIZE, M_USBDEV, M_WAITOK);
984263bc
MD
409 /* No need to check buffers for NULL since we have WAITOK */
410
411 sc->sc_bulkin_bufferlen = USCANNER_BUFFERSIZE;
412 sc->sc_bulkout_bufferlen = USCANNER_BUFFERSIZE;
413
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);
418 if (err) {
e3869ec7 419 kprintf("%s: cannot open bulk-in pipe (addr %d)\n",
6ed427ca 420 device_get_nameunit(sc->sc_dev), sc->sc_bulkin);
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MD
421 uscanner_do_close(sc);
422 return (EIO);
423 }
424 }
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);
428 if (err) {
e3869ec7 429 kprintf("%s: cannot open bulk-out pipe (addr %d)\n",
6ed427ca 430 device_get_nameunit(sc->sc_dev), sc->sc_bulkout);
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MD
431 uscanner_do_close(sc);
432 return (EIO);
433 }
434 }
435
436 sc->sc_bulkin_xfer = usbd_alloc_xfer(sc->sc_udev);
437 if (sc->sc_bulkin_xfer == NULL) {
438 uscanner_do_close(sc);
439 return (ENOMEM);
440 }
441 sc->sc_bulkout_xfer = usbd_alloc_xfer(sc->sc_udev);
442 if (sc->sc_bulkout_xfer == NULL) {
443 uscanner_do_close(sc);
444 return (ENOMEM);
445 }
446
447 return (0); /* success */
448}
449
450int
fef8985e 451uscannerclose(struct dev_close_args *ap)
984263bc 452{
b13267a5 453 cdev_t dev = ap->a_head.a_dev;
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454 struct uscanner_softc *sc;
455
1e089e7e 456 sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
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457
458 DPRINTFN(5, ("uscannerclose: flag=%d, mode=%d, unit=%d\n",
fef8985e 459 ap->a_fflag, ap->a_devtype, USCANNERUNIT(dev)));
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460
461#ifdef DIAGNOSTIC
462 if (!(sc->sc_state & USCANNER_OPEN)) {
e3869ec7 463 kprintf("uscannerclose: not open\n");
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464 return (EINVAL);
465 }
466#endif
467
468 uscanner_do_close(sc);
469
470 return (0);
471}
472
473void
474uscanner_do_close(struct uscanner_softc *sc)
475{
476 if (sc->sc_bulkin_xfer) {
477 usbd_free_xfer(sc->sc_bulkin_xfer);
478 sc->sc_bulkin_xfer = NULL;
479 }
480 if (sc->sc_bulkout_xfer) {
481 usbd_free_xfer(sc->sc_bulkout_xfer);
482 sc->sc_bulkout_xfer = NULL;
483 }
484
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;
490 }
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;
495 }
496 }
497
498 if (sc->sc_bulkin_buffer) {
efda3bd0 499 kfree(sc->sc_bulkin_buffer, M_USBDEV);
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500 sc->sc_bulkin_buffer = NULL;
501 }
502 if (sc->sc_bulkout_buffer) {
efda3bd0 503 kfree(sc->sc_bulkout_buffer, M_USBDEV);
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504 sc->sc_bulkout_buffer = NULL;
505 }
506
507 sc->sc_state &= ~USCANNER_OPEN;
508}
509
6ed427ca 510static int
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511uscanner_do_read(struct uscanner_softc *sc, struct uio *uio, int flag)
512{
513 u_int32_t n, tn;
514 usbd_status err;
515 int error = 0;
516
6ed427ca 517 DPRINTFN(5, ("%s: uscannerread\n", device_get_nameunit(sc->sc_dev)));
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518
519 if (sc->sc_dying)
520 return (EIO);
521
522 while ((n = min(sc->sc_bulkin_bufferlen, uio->uio_resid)) != 0) {
523 DPRINTFN(1, ("uscannerread: start transfer %d bytes\n",n));
524 tn = n;
525
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,
530 "uscnrb");
531 if (err) {
532 if (err == USBD_INTERRUPTED)
533 error = EINTR;
534 else if (err == USBD_TIMEOUT)
535 error = ETIMEDOUT;
536 else
537 error = EIO;
538 break;
539 }
540 DPRINTFN(1, ("uscannerread: got %d bytes\n", tn));
541 error = uiomove(sc->sc_bulkin_buffer, tn, uio);
542 if (error || tn < n)
543 break;
544 }
545
546 return (error);
547}
548
549int
fef8985e 550uscannerread(struct dev_read_args *ap)
984263bc 551{
b13267a5 552 cdev_t dev = ap->a_head.a_dev;
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553 struct uscanner_softc *sc;
554 int error;
555
1e089e7e 556 sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
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557
558 sc->sc_refcnt++;
fef8985e 559 error = uscanner_do_read(sc, ap->a_uio, ap->a_ioflag);
984263bc 560 if (--sc->sc_refcnt < 0)
2939c544 561 usb_detach_wakeup(sc->sc_dev);
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562
563 return (error);
564}
565
6ed427ca 566static int
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567uscanner_do_write(struct uscanner_softc *sc, struct uio *uio, int flag)
568{
569 u_int32_t n;
570 int error = 0;
571 usbd_status err;
572
6ed427ca 573 DPRINTFN(5, ("%s: uscanner_do_write\n", device_get_nameunit(sc->sc_dev)));
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574
575 if (sc->sc_dying)
576 return (EIO);
577
578 while ((n = min(sc->sc_bulkout_bufferlen, uio->uio_resid)) != 0) {
579 error = uiomove(sc->sc_bulkout_buffer, n, uio);
580 if (error)
581 break;
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,
585 0, USBD_NO_TIMEOUT,
586 sc->sc_bulkout_buffer, &n,
587 "uscnwb");
588 if (err) {
589 if (err == USBD_INTERRUPTED)
590 error = EINTR;
591 else
592 error = EIO;
593 break;
594 }
595 }
596
597 return (error);
598}
599
600int
fef8985e 601uscannerwrite(struct dev_write_args *ap)
984263bc 602{
b13267a5 603 cdev_t dev = ap->a_head.a_dev;
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604 struct uscanner_softc *sc;
605 int error;
606
1e089e7e 607 sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
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608
609 sc->sc_refcnt++;
fef8985e 610 error = uscanner_do_write(sc, ap->a_uio, ap->a_ioflag);
984263bc 611 if (--sc->sc_refcnt < 0)
2939c544 612 usb_detach_wakeup(sc->sc_dev);
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613 return (error);
614}
615
e785a5d9
HT
616static int
617uscanner_detach(device_t self)
984263bc 618{
e785a5d9 619 struct uscanner_softc *sc = device_get_softc(self);
984263bc 620
984263bc 621 DPRINTF(("uscanner_detach: sc=%p\n", sc));
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622
623 sc->sc_dying = 1;
624 sc->sc_dev_flags = 0; /* make close really close device */
625
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);
631
4e01b467 632 crit_enter();
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633 if (--sc->sc_refcnt >= 0) {
634 /* Wait for processes to go away. */
2939c544 635 usb_detach_wait(sc->sc_dev);
984263bc 636 }
4e01b467 637 crit_exit();
984263bc 638
984263bc 639 /* destroy the device for the control endpoint */
cd29885a 640 dev_ops_remove_minor(&uscanner_ops, /*-1, */device_get_unit(sc->sc_dev));
984263bc 641
1550dfd9 642 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
2939c544 643 sc->sc_dev);
1550dfd9 644
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645 return (0);
646}
647
648int
fef8985e 649uscannerpoll(struct dev_poll_args *ap)
984263bc 650{
b13267a5 651 cdev_t dev = ap->a_head.a_dev;
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652 struct uscanner_softc *sc;
653 int revents = 0;
654
1e089e7e 655 sc = devclass_get_softc(uscanner_devclass, USCANNERUNIT(dev));
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656
657 if (sc->sc_dying)
658 return (EIO);
659
1550dfd9 660 /*
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661 * We have no easy way of determining if a read will
662 * yield any data or a write will happen.
663 * Pretend they will.
664 */
fef8985e 665 revents |= ap->a_events &
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666 (POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM);
667
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668 ap->a_events = revents;
669 return (0);
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670}
671
984263bc 672DRIVER_MODULE(uscanner, uhub, uscanner_driver, uscanner_devclass, usbd_driver_load, 0);
7c070ee7 673