]> CyberLeo.Net >> Repos - FreeBSD/releng/9.0.git/blob - sys/dev/usb/input/ums.c
Copy stable/9 to releng/9.0 as part of the FreeBSD 9.0-RELEASE release
[FreeBSD/releng/9.0.git] / sys / dev / usb / input / ums.c
1 /*-
2  * Copyright (c) 1998 The NetBSD Foundation, Inc.
3  * All rights reserved.
4  *
5  * This code is derived from software contributed to The NetBSD Foundation
6  * by Lennart Augustsson (lennart@augustsson.net) at
7  * Carlstedt Research & Technology.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33
34 /*
35  * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
36  */
37
38 #include <sys/stdint.h>
39 #include <sys/stddef.h>
40 #include <sys/param.h>
41 #include <sys/queue.h>
42 #include <sys/types.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
45 #include <sys/bus.h>
46 #include <sys/module.h>
47 #include <sys/lock.h>
48 #include <sys/mutex.h>
49 #include <sys/condvar.h>
50 #include <sys/sysctl.h>
51 #include <sys/sx.h>
52 #include <sys/unistd.h>
53 #include <sys/callout.h>
54 #include <sys/malloc.h>
55 #include <sys/priv.h>
56 #include <sys/conf.h>
57 #include <sys/fcntl.h>
58 #include <sys/sbuf.h>
59
60 #include <dev/usb/usb.h>
61 #include <dev/usb/usbdi.h>
62 #include <dev/usb/usbdi_util.h>
63 #include <dev/usb/usbhid.h>
64 #include "usbdevs.h"
65
66 #define USB_DEBUG_VAR ums_debug
67 #include <dev/usb/usb_debug.h>
68
69 #include <dev/usb/quirk/usb_quirk.h>
70
71 #include <sys/ioccom.h>
72 #include <sys/filio.h>
73 #include <sys/tty.h>
74 #include <sys/mouse.h>
75
76 #ifdef USB_DEBUG
77 static int ums_debug = 0;
78
79 SYSCTL_NODE(_hw_usb, OID_AUTO, ums, CTLFLAG_RW, 0, "USB ums");
80 SYSCTL_INT(_hw_usb_ums, OID_AUTO, debug, CTLFLAG_RW,
81     &ums_debug, 0, "Debug level");
82 #endif
83
84 #define MOUSE_FLAGS_MASK (HIO_CONST|HIO_RELATIVE)
85 #define MOUSE_FLAGS (HIO_RELATIVE)
86
87 #define UMS_BUF_SIZE      8             /* bytes */
88 #define UMS_IFQ_MAXLEN   50             /* units */
89 #define UMS_BUTTON_MAX   31             /* exclusive, must be less than 32 */
90 #define UMS_BUT(i) ((i) < 3 ? (((i) + 2) % 3) : (i))
91 #define UMS_INFO_MAX      2             /* maximum number of HID sets */
92
93 enum {
94         UMS_INTR_DT,
95         UMS_N_TRANSFER,
96 };
97
98 struct ums_info {
99         struct hid_location sc_loc_w;
100         struct hid_location sc_loc_x;
101         struct hid_location sc_loc_y;
102         struct hid_location sc_loc_z;
103         struct hid_location sc_loc_t;
104         struct hid_location sc_loc_btn[UMS_BUTTON_MAX];
105
106         uint32_t sc_flags;
107 #define UMS_FLAG_X_AXIS     0x0001
108 #define UMS_FLAG_Y_AXIS     0x0002
109 #define UMS_FLAG_Z_AXIS     0x0004
110 #define UMS_FLAG_T_AXIS     0x0008
111 #define UMS_FLAG_SBU        0x0010      /* spurious button up events */
112 #define UMS_FLAG_REVZ       0x0020      /* Z-axis is reversed */
113 #define UMS_FLAG_W_AXIS     0x0040
114
115         uint8_t sc_iid_w;
116         uint8_t sc_iid_x;
117         uint8_t sc_iid_y;
118         uint8_t sc_iid_z;
119         uint8_t sc_iid_t;
120         uint8_t sc_iid_btn[UMS_BUTTON_MAX];
121         uint8_t sc_buttons;
122 };
123
124 struct ums_softc {
125         struct usb_fifo_sc sc_fifo;
126         struct mtx sc_mtx;
127         struct usb_callout sc_callout;
128         struct ums_info sc_info[UMS_INFO_MAX];
129
130         mousehw_t sc_hw;
131         mousemode_t sc_mode;
132         mousestatus_t sc_status;
133
134         struct usb_xfer *sc_xfer[UMS_N_TRANSFER];
135
136         int sc_pollrate;
137
138         uint8_t sc_buttons;
139         uint8_t sc_iid;
140         uint8_t sc_temp[64];
141 };
142
143 static void ums_put_queue_timeout(void *__sc);
144
145 static usb_callback_t ums_intr_callback;
146
147 static device_probe_t ums_probe;
148 static device_attach_t ums_attach;
149 static device_detach_t ums_detach;
150
151 static usb_fifo_cmd_t ums_start_read;
152 static usb_fifo_cmd_t ums_stop_read;
153 static usb_fifo_open_t ums_open;
154 static usb_fifo_close_t ums_close;
155 static usb_fifo_ioctl_t ums_ioctl;
156
157 static void     ums_put_queue(struct ums_softc *, int32_t, int32_t,
158                     int32_t, int32_t, int32_t);
159 static int      ums_sysctl_handler_parseinfo(SYSCTL_HANDLER_ARGS);
160
161 static struct usb_fifo_methods ums_fifo_methods = {
162         .f_open = &ums_open,
163         .f_close = &ums_close,
164         .f_ioctl = &ums_ioctl,
165         .f_start_read = &ums_start_read,
166         .f_stop_read = &ums_stop_read,
167         .basename[0] = "ums",
168 };
169
170 static void
171 ums_put_queue_timeout(void *__sc)
172 {
173         struct ums_softc *sc = __sc;
174
175         mtx_assert(&sc->sc_mtx, MA_OWNED);
176
177         ums_put_queue(sc, 0, 0, 0, 0, 0);
178 }
179
180 static void
181 ums_intr_callback(struct usb_xfer *xfer, usb_error_t error)
182 {
183         struct ums_softc *sc = usbd_xfer_softc(xfer);
184         struct ums_info *info = &sc->sc_info[0];
185         struct usb_page_cache *pc;
186         uint8_t *buf = sc->sc_temp;
187         int32_t buttons = 0;
188         int32_t buttons_found = 0;
189         int32_t dw = 0;
190         int32_t dx = 0;
191         int32_t dy = 0;
192         int32_t dz = 0;
193         int32_t dt = 0;
194         uint8_t i;
195         uint8_t id;
196         int len;
197
198         usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
199
200         switch (USB_GET_STATE(xfer)) {
201         case USB_ST_TRANSFERRED:
202                 DPRINTFN(6, "sc=%p actlen=%d\n", sc, len);
203
204                 if (len > sizeof(sc->sc_temp)) {
205                         DPRINTFN(6, "truncating large packet to %zu bytes\n",
206                             sizeof(sc->sc_temp));
207                         len = sizeof(sc->sc_temp);
208                 }
209                 if (len == 0)
210                         goto tr_setup;
211
212                 pc = usbd_xfer_get_frame(xfer, 0);
213                 usbd_copy_out(pc, 0, buf, len);
214
215                 DPRINTFN(6, "data = %02x %02x %02x %02x "
216                     "%02x %02x %02x %02x\n",
217                     (len > 0) ? buf[0] : 0, (len > 1) ? buf[1] : 0,
218                     (len > 2) ? buf[2] : 0, (len > 3) ? buf[3] : 0,
219                     (len > 4) ? buf[4] : 0, (len > 5) ? buf[5] : 0,
220                     (len > 6) ? buf[6] : 0, (len > 7) ? buf[7] : 0);
221
222                 if (sc->sc_iid) {
223                         id = *buf;
224
225                         len--;
226                         buf++;
227
228                 } else {
229                         id = 0;
230                         if (sc->sc_info[0].sc_flags & UMS_FLAG_SBU) {
231                                 if ((*buf == 0x14) || (*buf == 0x15)) {
232                                         goto tr_setup;
233                                 }
234                         }
235                 }
236
237         repeat:
238                 if ((info->sc_flags & UMS_FLAG_W_AXIS) &&
239                     (id == info->sc_iid_w))
240                         dw += hid_get_data(buf, len, &info->sc_loc_w);
241
242                 if ((info->sc_flags & UMS_FLAG_X_AXIS) && 
243                     (id == info->sc_iid_x))
244                         dx += hid_get_data(buf, len, &info->sc_loc_x);
245
246                 if ((info->sc_flags & UMS_FLAG_Y_AXIS) &&
247                     (id == info->sc_iid_y))
248                         dy = -hid_get_data(buf, len, &info->sc_loc_y);
249
250                 if ((info->sc_flags & UMS_FLAG_Z_AXIS) &&
251                     (id == info->sc_iid_z)) {
252                         int32_t temp;
253                         temp = hid_get_data(buf, len, &info->sc_loc_z);
254                         if (info->sc_flags & UMS_FLAG_REVZ)
255                                 temp = -temp;
256                         dz -= temp;
257                 }
258
259                 if ((info->sc_flags & UMS_FLAG_T_AXIS) &&
260                     (id == info->sc_iid_t))
261                         dt -= hid_get_data(buf, len, &info->sc_loc_t);
262
263                 for (i = 0; i < info->sc_buttons; i++) {
264                         uint32_t mask;
265                         mask = 1UL << UMS_BUT(i);
266                         /* check for correct button ID */
267                         if (id != info->sc_iid_btn[i])
268                                 continue;
269                         /* check for button pressed */
270                         if (hid_get_data(buf, len, &info->sc_loc_btn[i]))
271                                 buttons |= mask;
272                         /* register button mask */
273                         buttons_found |= mask;
274                 }
275
276                 if (++info != &sc->sc_info[UMS_INFO_MAX])
277                         goto repeat;
278
279                 /* keep old button value(s) for non-detected buttons */
280                 buttons |= sc->sc_status.button & ~buttons_found;
281
282                 if (dx || dy || dz || dt || dw ||
283                     (buttons != sc->sc_status.button)) {
284
285                         DPRINTFN(6, "x:%d y:%d z:%d t:%d w:%d buttons:0x%08x\n",
286                             dx, dy, dz, dt, dw, buttons);
287
288                         /* translate T-axis into button presses until further */
289                         if (dt > 0)
290                                 buttons |= 1UL << 3;
291                         else if (dt < 0)
292                                 buttons |= 1UL << 4;
293
294                         sc->sc_status.button = buttons;
295                         sc->sc_status.dx += dx;
296                         sc->sc_status.dy += dy;
297                         sc->sc_status.dz += dz;
298                         /*
299                          * sc->sc_status.dt += dt;
300                          * no way to export this yet
301                          */
302
303                         /*
304                          * The Qtronix keyboard has a built in PS/2
305                          * port for a mouse.  The firmware once in a
306                          * while posts a spurious button up
307                          * event. This event we ignore by doing a
308                          * timeout for 50 msecs.  If we receive
309                          * dx=dy=dz=buttons=0 before we add the event
310                          * to the queue.  In any other case we delete
311                          * the timeout event.
312                          */
313                         if ((sc->sc_info[0].sc_flags & UMS_FLAG_SBU) &&
314                             (dx == 0) && (dy == 0) && (dz == 0) && (dt == 0) &&
315                             (dw == 0) && (buttons == 0)) {
316
317                                 usb_callout_reset(&sc->sc_callout, hz / 20,
318                                     &ums_put_queue_timeout, sc);
319                         } else {
320
321                                 usb_callout_stop(&sc->sc_callout);
322
323                                 ums_put_queue(sc, dx, dy, dz, dt, buttons);
324                         }
325                 }
326         case USB_ST_SETUP:
327 tr_setup:
328                 /* check if we can put more data into the FIFO */
329                 if (usb_fifo_put_bytes_max(
330                     sc->sc_fifo.fp[USB_FIFO_RX]) != 0) {
331                         usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
332                         usbd_transfer_submit(xfer);
333                 }
334                 break;
335
336         default:                        /* Error */
337                 if (error != USB_ERR_CANCELLED) {
338                         /* try clear stall first */
339                         usbd_xfer_set_stall(xfer);
340                         goto tr_setup;
341                 }
342                 break;
343         }
344 }
345
346 static const struct usb_config ums_config[UMS_N_TRANSFER] = {
347
348         [UMS_INTR_DT] = {
349                 .type = UE_INTERRUPT,
350                 .endpoint = UE_ADDR_ANY,
351                 .direction = UE_DIR_IN,
352                 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
353                 .bufsize = 0,   /* use wMaxPacketSize */
354                 .callback = &ums_intr_callback,
355         },
356 };
357
358 /* A match on these entries will load ums */
359 static const STRUCT_USB_HOST_ID __used ums_devs[] = {
360         {USB_IFACE_CLASS(UICLASS_HID),
361          USB_IFACE_SUBCLASS(UISUBCLASS_BOOT),
362          USB_IFACE_PROTOCOL(UIPROTO_MOUSE),},
363 };
364
365 static int
366 ums_probe(device_t dev)
367 {
368         struct usb_attach_arg *uaa = device_get_ivars(dev);
369         void *d_ptr;
370         struct hid_data *hd;
371         struct hid_item hi;
372         int error, mdepth, found;
373         uint16_t d_len;
374
375         DPRINTFN(11, "\n");
376
377         if (uaa->usb_mode != USB_MODE_HOST)
378                 return (ENXIO);
379
380         if (uaa->info.bInterfaceClass != UICLASS_HID)
381                 return (ENXIO);
382
383         if ((uaa->info.bInterfaceSubClass == UISUBCLASS_BOOT) &&
384             (uaa->info.bInterfaceProtocol == UIPROTO_MOUSE))
385                 return (BUS_PROBE_DEFAULT);
386
387         error = usbd_req_get_hid_desc(uaa->device, NULL,
388             &d_ptr, &d_len, M_TEMP, uaa->info.bIfaceIndex);
389
390         if (error)
391                 return (ENXIO);
392
393         hd = hid_start_parse(d_ptr, d_len, 1 << hid_input);
394         if (hd == NULL)
395                 return (0);
396         mdepth = 0;
397         found = 0;
398         while (hid_get_item(hd, &hi)) {
399                 switch (hi.kind) {
400                 case hid_collection:
401                         if (mdepth != 0)
402                                 mdepth++;
403                         else if (hi.collection == 1 &&
404                              hi.usage ==
405                               HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_MOUSE))
406                                 mdepth++;
407                         break;
408                 case hid_endcollection:
409                         if (mdepth != 0)
410                                 mdepth--;
411                         break;
412                 case hid_input:
413                         if (mdepth == 0)
414                                 break;
415                         if (hi.usage ==
416                              HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X) &&
417                             (hi.flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS)
418                                 found++;
419                         if (hi.usage ==
420                              HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y) &&
421                             (hi.flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS)
422                                 found++;
423                         break;
424                 default:
425                         break;
426                 }
427         }
428         hid_end_parse(hd);
429         free(d_ptr, M_TEMP);
430         return (found ? BUS_PROBE_DEFAULT : ENXIO);
431 }
432
433 static void
434 ums_hid_parse(struct ums_softc *sc, device_t dev, const uint8_t *buf,
435     uint16_t len, uint8_t index)
436 {
437         struct ums_info *info = &sc->sc_info[index];
438         uint32_t flags;
439         uint8_t i;
440         uint8_t j;
441
442         if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X),
443             hid_input, index, &info->sc_loc_x, &flags, &info->sc_iid_x)) {
444
445                 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) {
446                         info->sc_flags |= UMS_FLAG_X_AXIS;
447                 }
448         }
449         if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y),
450             hid_input, index, &info->sc_loc_y, &flags, &info->sc_iid_y)) {
451
452                 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) {
453                         info->sc_flags |= UMS_FLAG_Y_AXIS;
454                 }
455         }
456         /* Try the wheel first as the Z activator since it's tradition. */
457         if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP,
458             HUG_WHEEL), hid_input, index, &info->sc_loc_z, &flags,
459             &info->sc_iid_z) ||
460             hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP,
461             HUG_TWHEEL), hid_input, index, &info->sc_loc_z, &flags,
462             &info->sc_iid_z)) {
463                 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) {
464                         info->sc_flags |= UMS_FLAG_Z_AXIS;
465                 }
466                 /*
467                  * We might have both a wheel and Z direction, if so put
468                  * put the Z on the W coordinate.
469                  */
470                 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP,
471                     HUG_Z), hid_input, index, &info->sc_loc_w, &flags,
472                     &info->sc_iid_w)) {
473
474                         if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) {
475                                 info->sc_flags |= UMS_FLAG_W_AXIS;
476                         }
477                 }
478         } else if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP,
479             HUG_Z), hid_input, index, &info->sc_loc_z, &flags, 
480             &info->sc_iid_z)) {
481
482                 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) {
483                         info->sc_flags |= UMS_FLAG_Z_AXIS;
484                 }
485         }
486         /*
487          * The Microsoft Wireless Intellimouse 2.0 reports it's wheel
488          * using 0x0048, which is HUG_TWHEEL, and seems to expect you
489          * to know that the byte after the wheel is the tilt axis.
490          * There are no other HID axis descriptors other than X,Y and
491          * TWHEEL
492          */
493         if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP,
494             HUG_TWHEEL), hid_input, index, &info->sc_loc_t, 
495             &flags, &info->sc_iid_t)) {
496
497                 info->sc_loc_t.pos += 8;
498
499                 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) {
500                         info->sc_flags |= UMS_FLAG_T_AXIS;
501                 }
502         } else if (hid_locate(buf, len, HID_USAGE2(HUP_CONSUMER,
503                 HUC_AC_PAN), hid_input, index, &info->sc_loc_t,
504                 &flags, &info->sc_iid_t)) {
505
506                 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS)
507                         info->sc_flags |= UMS_FLAG_T_AXIS;
508         }
509         /* figure out the number of buttons */
510
511         for (i = 0; i < UMS_BUTTON_MAX; i++) {
512                 if (!hid_locate(buf, len, HID_USAGE2(HUP_BUTTON, (i + 1)),
513                     hid_input, index, &info->sc_loc_btn[i], NULL, 
514                     &info->sc_iid_btn[i])) {
515                         break;
516                 }
517         }
518
519         /* detect other buttons */
520
521         for (j = 0; (i < UMS_BUTTON_MAX) && (j < 2); i++, j++) {
522                 if (!hid_locate(buf, len, HID_USAGE2(HUP_MICROSOFT, (j + 1)),
523                     hid_input, index, &info->sc_loc_btn[i], NULL, 
524                     &info->sc_iid_btn[i])) {
525                         break;
526                 }
527         }
528
529         info->sc_buttons = i;
530
531         if (i > sc->sc_buttons)
532                 sc->sc_buttons = i;
533
534         if (info->sc_flags == 0)
535                 return;
536
537         /* announce information about the mouse */
538         device_printf(dev, "%d buttons and [%s%s%s%s%s] coordinates ID=%u\n",
539             (info->sc_buttons),
540             (info->sc_flags & UMS_FLAG_X_AXIS) ? "X" : "",
541             (info->sc_flags & UMS_FLAG_Y_AXIS) ? "Y" : "",
542             (info->sc_flags & UMS_FLAG_Z_AXIS) ? "Z" : "",
543             (info->sc_flags & UMS_FLAG_T_AXIS) ? "T" : "",
544             (info->sc_flags & UMS_FLAG_W_AXIS) ? "W" : "",
545             info->sc_iid_x);
546 }
547
548 static int
549 ums_attach(device_t dev)
550 {
551         struct usb_attach_arg *uaa = device_get_ivars(dev);
552         struct ums_softc *sc = device_get_softc(dev);
553         struct ums_info *info;
554         void *d_ptr = NULL;
555         int isize;
556         int err;
557         uint16_t d_len;
558         uint8_t i;
559 #ifdef USB_DEBUG
560         uint8_t j;
561 #endif
562
563         DPRINTFN(11, "sc=%p\n", sc);
564
565         device_set_usb_desc(dev);
566
567         mtx_init(&sc->sc_mtx, "ums lock", NULL, MTX_DEF | MTX_RECURSE);
568
569         usb_callout_init_mtx(&sc->sc_callout, &sc->sc_mtx, 0);
570
571         /*
572          * Force the report (non-boot) protocol.
573          *
574          * Mice without boot protocol support may choose not to implement
575          * Set_Protocol at all; Ignore any error.
576          */
577         err = usbd_req_set_protocol(uaa->device, NULL,
578             uaa->info.bIfaceIndex, 1);
579
580         err = usbd_transfer_setup(uaa->device,
581             &uaa->info.bIfaceIndex, sc->sc_xfer, ums_config,
582             UMS_N_TRANSFER, sc, &sc->sc_mtx);
583
584         if (err) {
585                 DPRINTF("error=%s\n", usbd_errstr(err));
586                 goto detach;
587         }
588
589         /* Get HID descriptor */
590         err = usbd_req_get_hid_desc(uaa->device, NULL, &d_ptr,
591             &d_len, M_TEMP, uaa->info.bIfaceIndex);
592
593         if (err) {
594                 device_printf(dev, "error reading report description\n");
595                 goto detach;
596         }
597
598         isize = hid_report_size(d_ptr, d_len, hid_input, &sc->sc_iid);
599
600         /*
601          * The Microsoft Wireless Notebook Optical Mouse seems to be in worse
602          * shape than the Wireless Intellimouse 2.0, as its X, Y, wheel, and
603          * all of its other button positions are all off. It also reports that
604          * it has two addional buttons and a tilt wheel.
605          */
606         if (usb_test_quirk(uaa, UQ_MS_BAD_CLASS)) {
607
608                 sc->sc_iid = 0;
609
610                 info = &sc->sc_info[0];
611                 info->sc_flags = (UMS_FLAG_X_AXIS |
612                     UMS_FLAG_Y_AXIS |
613                     UMS_FLAG_Z_AXIS |
614                     UMS_FLAG_SBU);
615                 info->sc_buttons = 3;
616                 isize = 5;
617                 /* 1st byte of descriptor report contains garbage */
618                 info->sc_loc_x.pos = 16;
619                 info->sc_loc_x.size = 8;
620                 info->sc_loc_y.pos = 24;
621                 info->sc_loc_y.size = 8;
622                 info->sc_loc_z.pos = 32;
623                 info->sc_loc_z.size = 8;
624                 info->sc_loc_btn[0].pos = 8;
625                 info->sc_loc_btn[0].size = 1;
626                 info->sc_loc_btn[1].pos = 9;
627                 info->sc_loc_btn[1].size = 1;
628                 info->sc_loc_btn[2].pos = 10;
629                 info->sc_loc_btn[2].size = 1;
630
631                 /* Announce device */
632                 device_printf(dev, "3 buttons and [XYZ] "
633                     "coordinates ID=0\n");
634
635         } else {
636                 /* Search the HID descriptor and announce device */
637                 for (i = 0; i < UMS_INFO_MAX; i++) {
638                         ums_hid_parse(sc, dev, d_ptr, d_len, i);
639                 }
640         }
641
642         if (usb_test_quirk(uaa, UQ_MS_REVZ)) {
643                 info = &sc->sc_info[0];
644                 /* Some wheels need the Z axis reversed. */
645                 info->sc_flags |= UMS_FLAG_REVZ;
646         }
647         if (isize > usbd_xfer_max_framelen(sc->sc_xfer[UMS_INTR_DT])) {
648                 DPRINTF("WARNING: report size, %d bytes, is larger "
649                     "than interrupt size, %d bytes!\n", isize,
650                     usbd_xfer_max_framelen(sc->sc_xfer[UMS_INTR_DT]));
651         }
652         free(d_ptr, M_TEMP);
653         d_ptr = NULL;
654
655 #ifdef USB_DEBUG
656         for (j = 0; j < UMS_INFO_MAX; j++) {
657                 info = &sc->sc_info[j];
658
659                 DPRINTF("sc=%p, index=%d\n", sc, j);
660                 DPRINTF("X\t%d/%d id=%d\n", info->sc_loc_x.pos,
661                     info->sc_loc_x.size, info->sc_iid_x);
662                 DPRINTF("Y\t%d/%d id=%d\n", info->sc_loc_y.pos,
663                     info->sc_loc_y.size, info->sc_iid_y);
664                 DPRINTF("Z\t%d/%d id=%d\n", info->sc_loc_z.pos,
665                     info->sc_loc_z.size, info->sc_iid_z);
666                 DPRINTF("T\t%d/%d id=%d\n", info->sc_loc_t.pos,
667                     info->sc_loc_t.size, info->sc_iid_t);
668                 DPRINTF("W\t%d/%d id=%d\n", info->sc_loc_w.pos,
669                     info->sc_loc_w.size, info->sc_iid_w);
670
671                 for (i = 0; i < info->sc_buttons; i++) {
672                         DPRINTF("B%d\t%d/%d id=%d\n",
673                             i + 1, info->sc_loc_btn[i].pos,
674                             info->sc_loc_btn[i].size, info->sc_iid_btn[i]);
675                 }
676         }
677         DPRINTF("size=%d, id=%d\n", isize, sc->sc_iid);
678 #endif
679
680         if (sc->sc_buttons > MOUSE_MSC_MAXBUTTON)
681                 sc->sc_hw.buttons = MOUSE_MSC_MAXBUTTON;
682         else
683                 sc->sc_hw.buttons = sc->sc_buttons;
684
685         sc->sc_hw.iftype = MOUSE_IF_USB;
686         sc->sc_hw.type = MOUSE_MOUSE;
687         sc->sc_hw.model = MOUSE_MODEL_GENERIC;
688         sc->sc_hw.hwid = 0;
689
690         sc->sc_mode.protocol = MOUSE_PROTO_MSC;
691         sc->sc_mode.rate = -1;
692         sc->sc_mode.resolution = MOUSE_RES_UNKNOWN;
693         sc->sc_mode.accelfactor = 0;
694         sc->sc_mode.level = 0;
695         sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE;
696         sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
697         sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC;
698
699         err = usb_fifo_attach(uaa->device, sc, &sc->sc_mtx,
700             &ums_fifo_methods, &sc->sc_fifo,
701             device_get_unit(dev), 0 - 1, uaa->info.bIfaceIndex,
702             UID_ROOT, GID_OPERATOR, 0644);
703         if (err) {
704                 goto detach;
705         }
706         SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
707             SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
708             OID_AUTO, "parseinfo", CTLTYPE_STRING|CTLFLAG_RD,
709             sc, 0, ums_sysctl_handler_parseinfo,
710             "", "Dump of parsed HID report descriptor");
711
712         return (0);
713
714 detach:
715         if (d_ptr) {
716                 free(d_ptr, M_TEMP);
717         }
718         ums_detach(dev);
719         return (ENOMEM);
720 }
721
722 static int
723 ums_detach(device_t self)
724 {
725         struct ums_softc *sc = device_get_softc(self);
726
727         DPRINTF("sc=%p\n", sc);
728
729         usb_fifo_detach(&sc->sc_fifo);
730
731         usbd_transfer_unsetup(sc->sc_xfer, UMS_N_TRANSFER);
732
733         usb_callout_drain(&sc->sc_callout);
734
735         mtx_destroy(&sc->sc_mtx);
736
737         return (0);
738 }
739
740 static void
741 ums_start_read(struct usb_fifo *fifo)
742 {
743         struct ums_softc *sc = usb_fifo_softc(fifo);
744         int rate;
745
746         /* Check if we should override the default polling interval */
747         rate = sc->sc_pollrate;
748         /* Range check rate */
749         if (rate > 1000)
750                 rate = 1000;
751         /* Check for set rate */
752         if ((rate > 0) && (sc->sc_xfer[UMS_INTR_DT] != NULL)) {
753                 DPRINTF("Setting pollrate = %d\n", rate);
754                 /* Stop current transfer, if any */
755                 usbd_transfer_stop(sc->sc_xfer[UMS_INTR_DT]);
756                 /* Set new interval */
757                 usbd_xfer_set_interval(sc->sc_xfer[UMS_INTR_DT], 1000 / rate);
758                 /* Only set pollrate once */
759                 sc->sc_pollrate = 0;
760         }
761
762         usbd_transfer_start(sc->sc_xfer[UMS_INTR_DT]);
763 }
764
765 static void
766 ums_stop_read(struct usb_fifo *fifo)
767 {
768         struct ums_softc *sc = usb_fifo_softc(fifo);
769
770         usbd_transfer_stop(sc->sc_xfer[UMS_INTR_DT]);
771         usb_callout_stop(&sc->sc_callout);
772 }
773
774
775 #if ((MOUSE_SYS_PACKETSIZE != 8) || \
776      (MOUSE_MSC_PACKETSIZE != 5))
777 #error "Software assumptions are not met. Please update code."
778 #endif
779
780 static void
781 ums_put_queue(struct ums_softc *sc, int32_t dx, int32_t dy,
782     int32_t dz, int32_t dt, int32_t buttons)
783 {
784         uint8_t buf[8];
785
786         if (1) {
787
788                 if (dx > 254)
789                         dx = 254;
790                 if (dx < -256)
791                         dx = -256;
792                 if (dy > 254)
793                         dy = 254;
794                 if (dy < -256)
795                         dy = -256;
796                 if (dz > 126)
797                         dz = 126;
798                 if (dz < -128)
799                         dz = -128;
800                 if (dt > 126)
801                         dt = 126;
802                 if (dt < -128)
803                         dt = -128;
804
805                 buf[0] = sc->sc_mode.syncmask[1];
806                 buf[0] |= (~buttons) & MOUSE_MSC_BUTTONS;
807                 buf[1] = dx >> 1;
808                 buf[2] = dy >> 1;
809                 buf[3] = dx - (dx >> 1);
810                 buf[4] = dy - (dy >> 1);
811
812                 if (sc->sc_mode.level == 1) {
813                         buf[5] = dz >> 1;
814                         buf[6] = dz - (dz >> 1);
815                         buf[7] = (((~buttons) >> 3) & MOUSE_SYS_EXTBUTTONS);
816                 }
817                 usb_fifo_put_data_linear(sc->sc_fifo.fp[USB_FIFO_RX], buf,
818                     sc->sc_mode.packetsize, 1);
819
820         } else {
821                 DPRINTF("Buffer full, discarded packet\n");
822         }
823 }
824
825 static void
826 ums_reset_buf(struct ums_softc *sc)
827 {
828         /* reset read queue */
829         usb_fifo_reset(sc->sc_fifo.fp[USB_FIFO_RX]);
830 }
831
832 static int
833 ums_open(struct usb_fifo *fifo, int fflags)
834 {
835         struct ums_softc *sc = usb_fifo_softc(fifo);
836
837         DPRINTFN(2, "\n");
838
839         if (fflags & FREAD) {
840
841                 /* reset status */
842
843                 sc->sc_status.flags = 0;
844                 sc->sc_status.button = 0;
845                 sc->sc_status.obutton = 0;
846                 sc->sc_status.dx = 0;
847                 sc->sc_status.dy = 0;
848                 sc->sc_status.dz = 0;
849                 /* sc->sc_status.dt = 0; */
850
851                 if (usb_fifo_alloc_buffer(fifo,
852                     UMS_BUF_SIZE, UMS_IFQ_MAXLEN)) {
853                         return (ENOMEM);
854                 }
855         }
856         return (0);
857 }
858
859 static void
860 ums_close(struct usb_fifo *fifo, int fflags)
861 {
862         if (fflags & FREAD) {
863                 usb_fifo_free_buffer(fifo);
864         }
865 }
866
867 static int
868 ums_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags)
869 {
870         struct ums_softc *sc = usb_fifo_softc(fifo);
871         mousemode_t mode;
872         int error = 0;
873
874         DPRINTFN(2, "\n");
875
876         mtx_lock(&sc->sc_mtx);
877
878         switch (cmd) {
879         case MOUSE_GETHWINFO:
880                 *(mousehw_t *)addr = sc->sc_hw;
881                 break;
882
883         case MOUSE_GETMODE:
884                 *(mousemode_t *)addr = sc->sc_mode;
885                 break;
886
887         case MOUSE_SETMODE:
888                 mode = *(mousemode_t *)addr;
889
890                 if (mode.level == -1) {
891                         /* don't change the current setting */
892                 } else if ((mode.level < 0) || (mode.level > 1)) {
893                         error = EINVAL;
894                         goto done;
895                 } else {
896                         sc->sc_mode.level = mode.level;
897                 }
898
899                 /* store polling rate */
900                 sc->sc_pollrate = mode.rate;
901
902                 if (sc->sc_mode.level == 0) {
903                         if (sc->sc_buttons > MOUSE_MSC_MAXBUTTON)
904                                 sc->sc_hw.buttons = MOUSE_MSC_MAXBUTTON;
905                         else
906                                 sc->sc_hw.buttons = sc->sc_buttons;
907                         sc->sc_mode.protocol = MOUSE_PROTO_MSC;
908                         sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE;
909                         sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
910                         sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC;
911                 } else if (sc->sc_mode.level == 1) {
912                         if (sc->sc_buttons > MOUSE_SYS_MAXBUTTON)
913                                 sc->sc_hw.buttons = MOUSE_SYS_MAXBUTTON;
914                         else
915                                 sc->sc_hw.buttons = sc->sc_buttons;
916                         sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE;
917                         sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE;
918                         sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK;
919                         sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC;
920                 }
921                 ums_reset_buf(sc);
922                 break;
923
924         case MOUSE_GETLEVEL:
925                 *(int *)addr = sc->sc_mode.level;
926                 break;
927
928         case MOUSE_SETLEVEL:
929                 if (*(int *)addr < 0 || *(int *)addr > 1) {
930                         error = EINVAL;
931                         goto done;
932                 }
933                 sc->sc_mode.level = *(int *)addr;
934
935                 if (sc->sc_mode.level == 0) {
936                         if (sc->sc_buttons > MOUSE_MSC_MAXBUTTON)
937                                 sc->sc_hw.buttons = MOUSE_MSC_MAXBUTTON;
938                         else
939                                 sc->sc_hw.buttons = sc->sc_buttons;
940                         sc->sc_mode.protocol = MOUSE_PROTO_MSC;
941                         sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE;
942                         sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
943                         sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC;
944                 } else if (sc->sc_mode.level == 1) {
945                         if (sc->sc_buttons > MOUSE_SYS_MAXBUTTON)
946                                 sc->sc_hw.buttons = MOUSE_SYS_MAXBUTTON;
947                         else
948                                 sc->sc_hw.buttons = sc->sc_buttons;
949                         sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE;
950                         sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE;
951                         sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK;
952                         sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC;
953                 }
954                 ums_reset_buf(sc);
955                 break;
956
957         case MOUSE_GETSTATUS:{
958                         mousestatus_t *status = (mousestatus_t *)addr;
959
960                         *status = sc->sc_status;
961                         sc->sc_status.obutton = sc->sc_status.button;
962                         sc->sc_status.button = 0;
963                         sc->sc_status.dx = 0;
964                         sc->sc_status.dy = 0;
965                         sc->sc_status.dz = 0;
966                         /* sc->sc_status.dt = 0; */
967
968                         if (status->dx || status->dy || status->dz /* || status->dt */ ) {
969                                 status->flags |= MOUSE_POSCHANGED;
970                         }
971                         if (status->button != status->obutton) {
972                                 status->flags |= MOUSE_BUTTONSCHANGED;
973                         }
974                         break;
975                 }
976         default:
977                 error = ENOTTY;
978         }
979
980 done:
981         mtx_unlock(&sc->sc_mtx);
982         return (error);
983 }
984
985 static int
986 ums_sysctl_handler_parseinfo(SYSCTL_HANDLER_ARGS)
987 {
988         struct ums_softc *sc = arg1;
989         struct ums_info *info;
990         struct sbuf *sb;
991         int i, j, err, had_output;
992
993         sb = sbuf_new_auto();
994         for (i = 0, had_output = 0; i < UMS_INFO_MAX; i++) {
995                 info = &sc->sc_info[i];
996
997                 /* Don't emit empty info */
998                 if ((info->sc_flags &
999                     (UMS_FLAG_X_AXIS | UMS_FLAG_Y_AXIS | UMS_FLAG_Z_AXIS |
1000                      UMS_FLAG_T_AXIS | UMS_FLAG_W_AXIS)) == 0 &&
1001                     info->sc_buttons == 0)
1002                         continue;
1003
1004                 if (had_output)
1005                         sbuf_printf(sb, "\n");
1006                 had_output = 1;
1007                 sbuf_printf(sb, "i%d:", i + 1);
1008                 if (info->sc_flags & UMS_FLAG_X_AXIS)
1009                         sbuf_printf(sb, " X:r%d, p%d, s%d;",
1010                             (int)info->sc_iid_x,
1011                             (int)info->sc_loc_x.pos,
1012                             (int)info->sc_loc_x.size);
1013                 if (info->sc_flags & UMS_FLAG_Y_AXIS)
1014                         sbuf_printf(sb, " Y:r%d, p%d, s%d;",
1015                             (int)info->sc_iid_y,
1016                             (int)info->sc_loc_y.pos,
1017                             (int)info->sc_loc_y.size);
1018                 if (info->sc_flags & UMS_FLAG_Z_AXIS)
1019                         sbuf_printf(sb, " Z:r%d, p%d, s%d;",
1020                             (int)info->sc_iid_z,
1021                             (int)info->sc_loc_z.pos,
1022                             (int)info->sc_loc_z.size);
1023                 if (info->sc_flags & UMS_FLAG_T_AXIS)
1024                         sbuf_printf(sb, " T:r%d, p%d, s%d;",
1025                             (int)info->sc_iid_t,
1026                             (int)info->sc_loc_t.pos,
1027                             (int)info->sc_loc_t.size);
1028                 if (info->sc_flags & UMS_FLAG_W_AXIS)
1029                         sbuf_printf(sb, " W:r%d, p%d, s%d;",
1030                             (int)info->sc_iid_w,
1031                             (int)info->sc_loc_w.pos,
1032                             (int)info->sc_loc_w.size);
1033
1034                 for (j = 0; j < info->sc_buttons; j++) {
1035                         sbuf_printf(sb, " B%d:r%d, p%d, s%d;", j + 1,
1036                             (int)info->sc_iid_btn[j],
1037                             (int)info->sc_loc_btn[j].pos,
1038                             (int)info->sc_loc_btn[j].size);
1039                 }
1040         }
1041         sbuf_finish(sb);
1042         err = SYSCTL_OUT(req, sbuf_data(sb), sbuf_len(sb) + 1);
1043         sbuf_delete(sb);
1044
1045         return (err);
1046 }
1047
1048 static devclass_t ums_devclass;
1049
1050 static device_method_t ums_methods[] = {
1051         DEVMETHOD(device_probe, ums_probe),
1052         DEVMETHOD(device_attach, ums_attach),
1053         DEVMETHOD(device_detach, ums_detach),
1054         {0, 0}
1055 };
1056
1057 static driver_t ums_driver = {
1058         .name = "ums",
1059         .methods = ums_methods,
1060         .size = sizeof(struct ums_softc),
1061 };
1062
1063 DRIVER_MODULE(ums, uhub, ums_driver, ums_devclass, NULL, 0);
1064 MODULE_DEPEND(ums, usb, 1, 1, 1);
1065 MODULE_VERSION(ums, 1);