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usb4bsd: Use NULL for pointers.
[dragonfly.git] / sys / bus / u4b / input / ums.c
CommitLineData
12bd3c8b
SW		 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
12bd3c8b
SW		 31/*
32 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
33 */
34
35#include <sys/stdint.h>
12bd3c8b
SW		 36#include <sys/param.h>
37#include <sys/queue.h>
38#include <sys/types.h>
39#include <sys/systm.h>
40#include <sys/kernel.h>
41#include <sys/bus.h>
42#include <sys/module.h>
43#include <sys/lock.h>
12bd3c8b
SW		 44#include <sys/condvar.h>
45#include <sys/sysctl.h>
12bd3c8b
SW		 46#include <sys/unistd.h>
47#include <sys/callout.h>
48#include <sys/malloc.h>
49#include <sys/priv.h>
50#include <sys/conf.h>
51#include <sys/fcntl.h>
52#include <sys/sbuf.h>
53
8d7664cb
SW		 54#include <bus/u4b/usb.h>
55#include <bus/u4b/usbdi.h>
56#include <bus/u4b/usbdi_util.h>
57#include <bus/u4b/usbhid.h>
58#include <bus/u4b/usbdevs.h>
12bd3c8b
SW		 59
60#define USB_DEBUG_VAR ums_debug
8d7664cb 61#include <bus/u4b/usb_debug.h>
12bd3c8b 62
8d7664cb 63#include <bus/u4b/quirk/usb_quirk.h>
12bd3c8b
SW		 64
65#include <sys/ioccom.h>
66#include <sys/filio.h>
67#include <sys/tty.h>
68#include <sys/mouse.h>
69
70#ifdef USB_DEBUG
71static int ums_debug = 0;
72
73static SYSCTL_NODE(_hw_usb, OID_AUTO, ums, CTLFLAG_RW, 0, "USB ums");
74SYSCTL_INT(_hw_usb_ums, OID_AUTO, debug, CTLFLAG_RW,
75 &ums_debug, 0, "Debug level");
76#endif
77
78#define MOUSE_FLAGS_MASK (HIO_CONST|HIO_RELATIVE)
79#define MOUSE_FLAGS (HIO_RELATIVE)
80
81#define UMS_BUF_SIZE 8 /* bytes */
82#define UMS_IFQ_MAXLEN 50 /* units */
83#define UMS_BUTTON_MAX 31 /* exclusive, must be less than 32 */
84#define UMS_BUT(i) ((i) < 3 ? (((i) + 2) % 3) : (i))
85#define UMS_INFO_MAX 2 /* maximum number of HID sets */
86
87enum {
88 UMS_INTR_DT,
89 UMS_N_TRANSFER,
90};
91
92struct ums_info {
93 struct hid_location sc_loc_w;
94 struct hid_location sc_loc_x;
95 struct hid_location sc_loc_y;
96 struct hid_location sc_loc_z;
97 struct hid_location sc_loc_t;
98 struct hid_location sc_loc_btn[UMS_BUTTON_MAX];
99
100 uint32_t sc_flags;
101#define UMS_FLAG_X_AXIS 0x0001
102#define UMS_FLAG_Y_AXIS 0x0002
103#define UMS_FLAG_Z_AXIS 0x0004
104#define UMS_FLAG_T_AXIS 0x0008
105#define UMS_FLAG_SBU 0x0010 /* spurious button up events */
106#define UMS_FLAG_REVZ 0x0020 /* Z-axis is reversed */
107#define UMS_FLAG_W_AXIS 0x0040
108
109 uint8_t sc_iid_w;
110 uint8_t sc_iid_x;
111 uint8_t sc_iid_y;
112 uint8_t sc_iid_z;
113 uint8_t sc_iid_t;
114 uint8_t sc_iid_btn[UMS_BUTTON_MAX];
115 uint8_t sc_buttons;
116};
117
118struct ums_softc {
119 struct usb_fifo_sc sc_fifo;
8d7664cb 120 struct lock sc_lock;
12bd3c8b
SW		 121 struct usb_callout sc_callout;
122 struct ums_info sc_info[UMS_INFO_MAX];
123
124 mousehw_t sc_hw;
125 mousemode_t sc_mode;
126 mousestatus_t sc_status;
127
128 struct usb_xfer *sc_xfer[UMS_N_TRANSFER];
129
130 int sc_pollrate;
131
132 uint8_t sc_buttons;
133 uint8_t sc_iid;
134 uint8_t sc_temp[64];
135};
136
137static void ums_put_queue_timeout(void *__sc);
138
139static usb_callback_t ums_intr_callback;
140
141static device_probe_t ums_probe;
142static device_attach_t ums_attach;
143static device_detach_t ums_detach;
144
145static usb_fifo_cmd_t ums_start_read;
146static usb_fifo_cmd_t ums_stop_read;
147static usb_fifo_open_t ums_open;
148static usb_fifo_close_t ums_close;
149static usb_fifo_ioctl_t ums_ioctl;
150
151static void ums_put_queue(struct ums_softc *, int32_t, int32_t,
152 int32_t, int32_t, int32_t);
b7abfd18 153#if 0 /* XXX */
12bd3c8b 154static int ums_sysctl_handler_parseinfo(SYSCTL_HANDLER_ARGS);
b7abfd18 155#endif
12bd3c8b
SW		 156
157static struct usb_fifo_methods ums_fifo_methods = {
158 .f_open = &ums_open,
159 .f_close = &ums_close,
160 .f_ioctl = &ums_ioctl,
161 .f_start_read = &ums_start_read,
162 .f_stop_read = &ums_stop_read,
163 .basename[0] = "ums",
164};
165
166static void
167ums_put_queue_timeout(void *__sc)
168{
169 struct ums_softc *sc = __sc;
170
8d7664cb 171 KKASSERT(lockowned(&sc->sc_lock));
12bd3c8b
SW		 172
173 ums_put_queue(sc, 0, 0, 0, 0, 0);
174}
175
176static void
177ums_intr_callback(struct usb_xfer *xfer, usb_error_t error)
178{
179 struct ums_softc *sc = usbd_xfer_softc(xfer);
180 struct ums_info *info = &sc->sc_info[0];
181 struct usb_page_cache *pc;
182 uint8_t *buf = sc->sc_temp;
183 int32_t buttons = 0;
184 int32_t buttons_found = 0;
185 int32_t dw = 0;
186 int32_t dx = 0;
187 int32_t dy = 0;
188 int32_t dz = 0;
189 int32_t dt = 0;
190 uint8_t i;
191 uint8_t id;
192 int len;
193
194 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
195
196 switch (USB_GET_STATE(xfer)) {
197 case USB_ST_TRANSFERRED:
198 DPRINTFN(6, "sc=%p actlen=%d\n", sc, len);
199
200 if (len > sizeof(sc->sc_temp)) {
201 DPRINTFN(6, "truncating large packet to %zu bytes\n",
202 sizeof(sc->sc_temp));
203 len = sizeof(sc->sc_temp);
204 }
205 if (len == 0)
206 goto tr_setup;
207
208 pc = usbd_xfer_get_frame(xfer, 0);
209 usbd_copy_out(pc, 0, buf, len);
210
211 DPRINTFN(6, "data = %02x %02x %02x %02x "
212 "%02x %02x %02x %02x\n",
213 (len > 0) ? buf[0] : 0, (len > 1) ? buf[1] : 0,
214 (len > 2) ? buf[2] : 0, (len > 3) ? buf[3] : 0,
215 (len > 4) ? buf[4] : 0, (len > 5) ? buf[5] : 0,
216 (len > 6) ? buf[6] : 0, (len > 7) ? buf[7] : 0);
217
218 if (sc->sc_iid) {
219 id = *buf;
220
221 len--;
222 buf++;
223
224 } else {
225 id = 0;
226 if (sc->sc_info[0].sc_flags & UMS_FLAG_SBU) {
227 if ((*buf == 0x14) || (*buf == 0x15)) {
228 goto tr_setup;
229 }
230 }
231 }
232
233 repeat:
234 if ((info->sc_flags & UMS_FLAG_W_AXIS) &&
235 (id == info->sc_iid_w))
236 dw += hid_get_data(buf, len, &info->sc_loc_w);
237
238 if ((info->sc_flags & UMS_FLAG_X_AXIS) &&
239 (id == info->sc_iid_x))
240 dx += hid_get_data(buf, len, &info->sc_loc_x);
241
242 if ((info->sc_flags & UMS_FLAG_Y_AXIS) &&
243 (id == info->sc_iid_y))
244 dy = -hid_get_data(buf, len, &info->sc_loc_y);
245
246 if ((info->sc_flags & UMS_FLAG_Z_AXIS) &&
247 (id == info->sc_iid_z)) {
248 int32_t temp;
249 temp = hid_get_data(buf, len, &info->sc_loc_z);
250 if (info->sc_flags & UMS_FLAG_REVZ)
251 temp = -temp;
252 dz -= temp;
253 }
254
255 if ((info->sc_flags & UMS_FLAG_T_AXIS) &&
256 (id == info->sc_iid_t))
257 dt -= hid_get_data(buf, len, &info->sc_loc_t);
258
259 for (i = 0; i < info->sc_buttons; i++) {
260 uint32_t mask;
261 mask = 1UL << UMS_BUT(i);
262 /* check for correct button ID */
263 if (id != info->sc_iid_btn[i])
264 continue;
265 /* check for button pressed */
266 if (hid_get_data(buf, len, &info->sc_loc_btn[i]))
267 buttons |= mask;
268 /* register button mask */
269 buttons_found |= mask;
270 }
271
272 if (++info != &sc->sc_info[UMS_INFO_MAX])
273 goto repeat;
274
275 /* keep old button value(s) for non-detected buttons */
276 buttons |= sc->sc_status.button & ~buttons_found;
277
278 if (dx || dy || dz || dt || dw ||
279 (buttons != sc->sc_status.button)) {
280
281 DPRINTFN(6, "x:%d y:%d z:%d t:%d w:%d buttons:0x%08x\n",
282 dx, dy, dz, dt, dw, buttons);
283
284 /* translate T-axis into button presses until further */
285 if (dt > 0)
286 buttons |= 1UL << 3;
287 else if (dt < 0)
288 buttons |= 1UL << 4;
289
290 sc->sc_status.button = buttons;
291 sc->sc_status.dx += dx;
292 sc->sc_status.dy += dy;
293 sc->sc_status.dz += dz;
294 /*
295 * sc->sc_status.dt += dt;
296 * no way to export this yet
297 */
298
299 /*
300 * The Qtronix keyboard has a built in PS/2
301 * port for a mouse. The firmware once in a
302 * while posts a spurious button up
303 * event. This event we ignore by doing a
304 * timeout for 50 msecs. If we receive
305 * dx=dy=dz=buttons=0 before we add the event
306 * to the queue. In any other case we delete
307 * the timeout event.
308 */
309 if ((sc->sc_info[0].sc_flags & UMS_FLAG_SBU) &&
310 (dx == 0) && (dy == 0) && (dz == 0) && (dt == 0) &&
311 (dw == 0) && (buttons == 0)) {
312
313 usb_callout_reset(&sc->sc_callout, hz / 20,
314 &ums_put_queue_timeout, sc);
315 } else {
316
317 usb_callout_stop(&sc->sc_callout);
318
319 ums_put_queue(sc, dx, dy, dz, dt, buttons);
320 }
321 }
322 case USB_ST_SETUP:
323tr_setup:
324 /* check if we can put more data into the FIFO */
325 if (usb_fifo_put_bytes_max(
326 sc->sc_fifo.fp[USB_FIFO_RX]) != 0) {
327 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
328 usbd_transfer_submit(xfer);
329 }
330 break;
331
332 default: /* Error */
333 if (error != USB_ERR_CANCELLED) {
334 /* try clear stall first */
335 usbd_xfer_set_stall(xfer);
336 goto tr_setup;
337 }
338 break;
339 }
340}
341
342static const struct usb_config ums_config[UMS_N_TRANSFER] = {
343
344 [UMS_INTR_DT] = {
345 .type = UE_INTERRUPT,
346 .endpoint = UE_ADDR_ANY,
347 .direction = UE_DIR_IN,
348 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
349 .bufsize = 0, /* use wMaxPacketSize */
350 .callback = &ums_intr_callback,
351 },
352};
353
354/* A match on these entries will load ums */
355static const STRUCT_USB_HOST_ID __used ums_devs[] = {
356 {USB_IFACE_CLASS(UICLASS_HID),
357 USB_IFACE_SUBCLASS(UISUBCLASS_BOOT),
358 USB_IFACE_PROTOCOL(UIPROTO_MOUSE),},
359};
360
361static int
362ums_probe(device_t dev)
363{
364 struct usb_attach_arg *uaa = device_get_ivars(dev);
365 void *d_ptr;
366 struct hid_data *hd;
367 struct hid_item hi;
368 int error, mdepth, found;
369 uint16_t d_len;
370
371 DPRINTFN(11, "\n");
372
373 if (uaa->usb_mode != USB_MODE_HOST)
374 return (ENXIO);
375
376 if (uaa->info.bInterfaceClass != UICLASS_HID)
377 return (ENXIO);
378
379 if ((uaa->info.bInterfaceSubClass == UISUBCLASS_BOOT) &&
380 (uaa->info.bInterfaceProtocol == UIPROTO_MOUSE))
381 return (BUS_PROBE_DEFAULT);
382
383 error = usbd_req_get_hid_desc(uaa->device, NULL,
384 &d_ptr, &d_len, M_TEMP, uaa->info.bIfaceIndex);
385
386 if (error)
387 return (ENXIO);
388
389 hd = hid_start_parse(d_ptr, d_len, 1 << hid_input);
390 if (hd == NULL)
391 return (0);
392 mdepth = 0;
393 found = 0;
394 while (hid_get_item(hd, &hi)) {
395 switch (hi.kind) {
396 case hid_collection:
397 if (mdepth != 0)
398 mdepth++;
399 else if (hi.collection == 1 &&
400 hi.usage ==
401 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_MOUSE))
402 mdepth++;
403 break;
404 case hid_endcollection:
405 if (mdepth != 0)
406 mdepth--;
407 break;
408 case hid_input:
409 if (mdepth == 0)
410 break;
411 if (hi.usage ==
412 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X) &&
413 (hi.flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS)
414 found++;
415 if (hi.usage ==
416 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y) &&
417 (hi.flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS)
418 found++;
419 break;
420 default:
421 break;
422 }
423 }
424 hid_end_parse(hd);
8d7664cb 425 kfree(d_ptr, M_TEMP);
12bd3c8b
SW		 426 return (found ? BUS_PROBE_DEFAULT : ENXIO);
427}
428
429static void
430ums_hid_parse(struct ums_softc *sc, device_t dev, const uint8_t *buf,
431 uint16_t len, uint8_t index)
432{
433 struct ums_info *info = &sc->sc_info[index];
434 uint32_t flags;
435 uint8_t i;
436 uint8_t j;
437
438 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X),
439 hid_input, index, &info->sc_loc_x, &flags, &info->sc_iid_x)) {
440
441 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) {
442 info->sc_flags |= UMS_FLAG_X_AXIS;
443 }
444 }
445 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y),
446 hid_input, index, &info->sc_loc_y, &flags, &info->sc_iid_y)) {
447
448 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) {
449 info->sc_flags |= UMS_FLAG_Y_AXIS;
450 }
451 }
452 /* Try the wheel first as the Z activator since it's tradition. */
453 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP,
454 HUG_WHEEL), hid_input, index, &info->sc_loc_z, &flags,
455 &info->sc_iid_z) ||
456 hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP,
457 HUG_TWHEEL), hid_input, index, &info->sc_loc_z, &flags,
458 &info->sc_iid_z)) {
459 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) {
460 info->sc_flags |= UMS_FLAG_Z_AXIS;
461 }
462 /*
463 * We might have both a wheel and Z direction, if so put
464 * put the Z on the W coordinate.
465 */
466 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP,
467 HUG_Z), hid_input, index, &info->sc_loc_w, &flags,
468 &info->sc_iid_w)) {
469
470 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) {
471 info->sc_flags |= UMS_FLAG_W_AXIS;
472 }
473 }
474 } else if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP,
475 HUG_Z), hid_input, index, &info->sc_loc_z, &flags,
476 &info->sc_iid_z)) {
477
478 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) {
479 info->sc_flags |= UMS_FLAG_Z_AXIS;
480 }
481 }
482 /*
483 * The Microsoft Wireless Intellimouse 2.0 reports it's wheel
484 * using 0x0048, which is HUG_TWHEEL, and seems to expect you
485 * to know that the byte after the wheel is the tilt axis.
486 * There are no other HID axis descriptors other than X,Y and
487 * TWHEEL
488 */
489 if (hid_locate(buf, len, HID_USAGE2(HUP_GENERIC_DESKTOP,
490 HUG_TWHEEL), hid_input, index, &info->sc_loc_t,
491 &flags, &info->sc_iid_t)) {
492
493 info->sc_loc_t.pos += 8;
494
495 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) {
496 info->sc_flags |= UMS_FLAG_T_AXIS;
497 }
498 } else if (hid_locate(buf, len, HID_USAGE2(HUP_CONSUMER,
499 HUC_AC_PAN), hid_input, index, &info->sc_loc_t,
500 &flags, &info->sc_iid_t)) {
501
502 if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS)
503 info->sc_flags |= UMS_FLAG_T_AXIS;
504 }
505 /* figure out the number of buttons */
506
507 for (i = 0; i < UMS_BUTTON_MAX; i++) {
508 if (!hid_locate(buf, len, HID_USAGE2(HUP_BUTTON, (i + 1)),
509 hid_input, index, &info->sc_loc_btn[i], NULL,
510 &info->sc_iid_btn[i])) {
511 break;
512 }
513 }
514
515 /* detect other buttons */
516
517 for (j = 0; (i < UMS_BUTTON_MAX) && (j < 2); i++, j++) {
518 if (!hid_locate(buf, len, HID_USAGE2(HUP_MICROSOFT, (j + 1)),
519 hid_input, index, &info->sc_loc_btn[i], NULL,
520 &info->sc_iid_btn[i])) {
521 break;
522 }
523 }
524
525 info->sc_buttons = i;
526
527 if (i > sc->sc_buttons)
528 sc->sc_buttons = i;
529
530 if (info->sc_flags == 0)
531 return;
532
533 /* announce information about the mouse */
534 device_printf(dev, "%d buttons and [%s%s%s%s%s] coordinates ID=%u\n",
535 (info->sc_buttons),
536 (info->sc_flags & UMS_FLAG_X_AXIS) ? "X" : "",
537 (info->sc_flags & UMS_FLAG_Y_AXIS) ? "Y" : "",
538 (info->sc_flags & UMS_FLAG_Z_AXIS) ? "Z" : "",
539 (info->sc_flags & UMS_FLAG_T_AXIS) ? "T" : "",
540 (info->sc_flags & UMS_FLAG_W_AXIS) ? "W" : "",
541 info->sc_iid_x);
542}
543
544static int
545ums_attach(device_t dev)
546{
547 struct usb_attach_arg *uaa = device_get_ivars(dev);
548 struct ums_softc *sc = device_get_softc(dev);
549 struct ums_info *info;
550 void *d_ptr = NULL;
551 int isize;
552 int err;
553 uint16_t d_len;
554 uint8_t i;
555#ifdef USB_DEBUG
556 uint8_t j;
557#endif
558
559 DPRINTFN(11, "sc=%p\n", sc);
560
561 device_set_usb_desc(dev);
562
8d7664cb 563 lockinit(&sc->sc_lock, "ums lock", 0, LK_CANRECURSE);
12bd3c8b 564
8d7664cb 565 usb_callout_init_mtx(&sc->sc_callout, &sc->sc_lock, 0);
12bd3c8b
SW		 566
567 /*
568 * Force the report (non-boot) protocol.
569 *
570 * Mice without boot protocol support may choose not to implement
571 * Set_Protocol at all; Ignore any error.
572 */
573 err = usbd_req_set_protocol(uaa->device, NULL,
574 uaa->info.bIfaceIndex, 1);
575
576 err = usbd_transfer_setup(uaa->device,
577 &uaa->info.bIfaceIndex, sc->sc_xfer, ums_config,
8d7664cb 578 UMS_N_TRANSFER, sc, &sc->sc_lock);
12bd3c8b
SW		 579
580 if (err) {
581 DPRINTF("error=%s\n", usbd_errstr(err));
582 goto detach;
583 }
584
585 /* Get HID descriptor */
586 err = usbd_req_get_hid_desc(uaa->device, NULL, &d_ptr,
587 &d_len, M_TEMP, uaa->info.bIfaceIndex);
588
589 if (err) {
590 device_printf(dev, "error reading report description\n");
591 goto detach;
592 }
593
594 isize = hid_report_size(d_ptr, d_len, hid_input, &sc->sc_iid);
595
596 /*
597 * The Microsoft Wireless Notebook Optical Mouse seems to be in worse
598 * shape than the Wireless Intellimouse 2.0, as its X, Y, wheel, and
599 * all of its other button positions are all off. It also reports that
600 * it has two addional buttons and a tilt wheel.
601 */
602 if (usb_test_quirk(uaa, UQ_MS_BAD_CLASS)) {
603
604 sc->sc_iid = 0;
605
606 info = &sc->sc_info[0];
607 info->sc_flags = (UMS_FLAG_X_AXIS |
608 UMS_FLAG_Y_AXIS |
609 UMS_FLAG_Z_AXIS |
610 UMS_FLAG_SBU);
611 info->sc_buttons = 3;
612 isize = 5;
613 /* 1st byte of descriptor report contains garbage */
614 info->sc_loc_x.pos = 16;
615 info->sc_loc_x.size = 8;
616 info->sc_loc_y.pos = 24;
617 info->sc_loc_y.size = 8;
618 info->sc_loc_z.pos = 32;
619 info->sc_loc_z.size = 8;
620 info->sc_loc_btn[0].pos = 8;
621 info->sc_loc_btn[0].size = 1;
622 info->sc_loc_btn[1].pos = 9;
623 info->sc_loc_btn[1].size = 1;
624 info->sc_loc_btn[2].pos = 10;
625 info->sc_loc_btn[2].size = 1;
626
627 /* Announce device */
628 device_printf(dev, "3 buttons and [XYZ] "
629 "coordinates ID=0\n");
630
631 } else {
632 /* Search the HID descriptor and announce device */
633 for (i = 0; i < UMS_INFO_MAX; i++) {
634 ums_hid_parse(sc, dev, d_ptr, d_len, i);
635 }
636 }
637
638 if (usb_test_quirk(uaa, UQ_MS_REVZ)) {
639 info = &sc->sc_info[0];
640 /* Some wheels need the Z axis reversed. */
641 info->sc_flags |= UMS_FLAG_REVZ;
642 }
643 if (isize > usbd_xfer_max_framelen(sc->sc_xfer[UMS_INTR_DT])) {
644 DPRINTF("WARNING: report size, %d bytes, is larger "
645 "than interrupt size, %d bytes!\n", isize,
646 usbd_xfer_max_framelen(sc->sc_xfer[UMS_INTR_DT]));
647 }
8d7664cb 648 kfree(d_ptr, M_TEMP);
12bd3c8b
SW		 649 d_ptr = NULL;
650
651#ifdef USB_DEBUG
652 for (j = 0; j < UMS_INFO_MAX; j++) {
653 info = &sc->sc_info[j];
654
655 DPRINTF("sc=%p, index=%d\n", sc, j);
656 DPRINTF("X\t%d/%d id=%d\n", info->sc_loc_x.pos,
657 info->sc_loc_x.size, info->sc_iid_x);
658 DPRINTF("Y\t%d/%d id=%d\n", info->sc_loc_y.pos,
659 info->sc_loc_y.size, info->sc_iid_y);
660 DPRINTF("Z\t%d/%d id=%d\n", info->sc_loc_z.pos,
661 info->sc_loc_z.size, info->sc_iid_z);
662 DPRINTF("T\t%d/%d id=%d\n", info->sc_loc_t.pos,
663 info->sc_loc_t.size, info->sc_iid_t);
664 DPRINTF("W\t%d/%d id=%d\n", info->sc_loc_w.pos,
665 info->sc_loc_w.size, info->sc_iid_w);
666
667 for (i = 0; i < info->sc_buttons; i++) {
668 DPRINTF("B%d\t%d/%d id=%d\n",
669 i + 1, info->sc_loc_btn[i].pos,
670 info->sc_loc_btn[i].size, info->sc_iid_btn[i]);
671 }
672 }
673 DPRINTF("size=%d, id=%d\n", isize, sc->sc_iid);
674#endif
675
676 if (sc->sc_buttons > MOUSE_MSC_MAXBUTTON)
677 sc->sc_hw.buttons = MOUSE_MSC_MAXBUTTON;
678 else
679 sc->sc_hw.buttons = sc->sc_buttons;
680
681 sc->sc_hw.iftype = MOUSE_IF_USB;
682 sc->sc_hw.type = MOUSE_MOUSE;
683 sc->sc_hw.model = MOUSE_MODEL_GENERIC;
684 sc->sc_hw.hwid = 0;
685
686 sc->sc_mode.protocol = MOUSE_PROTO_MSC;
687 sc->sc_mode.rate = -1;
688 sc->sc_mode.resolution = MOUSE_RES_UNKNOWN;
689 sc->sc_mode.accelfactor = 0;
690 sc->sc_mode.level = 0;
691 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE;
692 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
693 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC;
694
8d7664cb 695 err = usb_fifo_attach(uaa->device, sc, &sc->sc_lock,
12bd3c8b
SW		 696 &ums_fifo_methods, &sc->sc_fifo,
697 device_get_unit(dev), 0 - 1, uaa->info.bIfaceIndex,
698 UID_ROOT, GID_OPERATOR, 0644);
699 if (err) {
700 goto detach;
701 }
8d7664cb 702#if 0 /* XXXDF */
12bd3c8b
SW		 703 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
704 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
705 OID_AUTO, "parseinfo", CTLTYPE_STRING|CTLFLAG_RD,
706 sc, 0, ums_sysctl_handler_parseinfo,
707 "", "Dump of parsed HID report descriptor");
8d7664cb 708#endif
12bd3c8b
SW		 709
710 return (0);
711
712detach:
713 if (d_ptr) {
8d7664cb 714 kfree(d_ptr, M_TEMP);
12bd3c8b
SW		 715 }
716 ums_detach(dev);
717 return (ENOMEM);
718}
719
720static int
721ums_detach(device_t self)
722{
723 struct ums_softc *sc = device_get_softc(self);
724
725 DPRINTF("sc=%p\n", sc);
726
727 usb_fifo_detach(&sc->sc_fifo);
728
729 usbd_transfer_unsetup(sc->sc_xfer, UMS_N_TRANSFER);
730
731 usb_callout_drain(&sc->sc_callout);
732
8d7664cb 733 lockuninit(&sc->sc_lock);
12bd3c8b
SW		 734
735 return (0);
736}
737
738static void
739ums_start_read(struct usb_fifo *fifo)
740{
741 struct ums_softc *sc = usb_fifo_softc(fifo);
742 int rate;
743
744 /* Check if we should override the default polling interval */
745 rate = sc->sc_pollrate;
746 /* Range check rate */
747 if (rate > 1000)
748 rate = 1000;
749 /* Check for set rate */
750 if ((rate > 0) && (sc->sc_xfer[UMS_INTR_DT] != NULL)) {
751 DPRINTF("Setting pollrate = %d\n", rate);
752 /* Stop current transfer, if any */
753 usbd_transfer_stop(sc->sc_xfer[UMS_INTR_DT]);
754 /* Set new interval */
755 usbd_xfer_set_interval(sc->sc_xfer[UMS_INTR_DT], 1000 / rate);
756 /* Only set pollrate once */
757 sc->sc_pollrate = 0;
758 }
759
760 usbd_transfer_start(sc->sc_xfer[UMS_INTR_DT]);
761}
762
763static void
764ums_stop_read(struct usb_fifo *fifo)
765{
766 struct ums_softc *sc = usb_fifo_softc(fifo);
767
768 usbd_transfer_stop(sc->sc_xfer[UMS_INTR_DT]);
769 usb_callout_stop(&sc->sc_callout);
770}
771
772
773#if ((MOUSE_SYS_PACKETSIZE != 8) || \
774 (MOUSE_MSC_PACKETSIZE != 5))
775#error "Software assumptions are not met. Please update code."
776#endif
777
778static void
779ums_put_queue(struct ums_softc *sc, int32_t dx, int32_t dy,
780 int32_t dz, int32_t dt, int32_t buttons)
781{
782 uint8_t buf[8];
783
784 if (1) {
785
786 if (dx > 254)
787 dx = 254;
788 if (dx < -256)
789 dx = -256;
790 if (dy > 254)
791 dy = 254;
792 if (dy < -256)
793 dy = -256;
794 if (dz > 126)
795 dz = 126;
796 if (dz < -128)
797 dz = -128;
798 if (dt > 126)
799 dt = 126;
800 if (dt < -128)
801 dt = -128;
802
803 buf[0] = sc->sc_mode.syncmask[1];
804 buf[0] |= (~buttons) & MOUSE_MSC_BUTTONS;
805 buf[1] = dx >> 1;
806 buf[2] = dy >> 1;
807 buf[3] = dx - (dx >> 1);
808 buf[4] = dy - (dy >> 1);
809
810 if (sc->sc_mode.level == 1) {
811 buf[5] = dz >> 1;
812 buf[6] = dz - (dz >> 1);
813 buf[7] = (((~buttons) >> 3) & MOUSE_SYS_EXTBUTTONS);
814 }
815 usb_fifo_put_data_linear(sc->sc_fifo.fp[USB_FIFO_RX], buf,
816 sc->sc_mode.packetsize, 1);
817
818 } else {
819 DPRINTF("Buffer full, discarded packet\n");
820 }
821}
822
823static void
824ums_reset_buf(struct ums_softc *sc)
825{
826 /* reset read queue */
827 usb_fifo_reset(sc->sc_fifo.fp[USB_FIFO_RX]);
828}
829
830static int
831ums_open(struct usb_fifo *fifo, int fflags)
832{
833 struct ums_softc *sc = usb_fifo_softc(fifo);
834
835 DPRINTFN(2, "\n");
836
837 if (fflags & FREAD) {
838
839 /* reset status */
840
841 sc->sc_status.flags = 0;
842 sc->sc_status.button = 0;
843 sc->sc_status.obutton = 0;
844 sc->sc_status.dx = 0;
845 sc->sc_status.dy = 0;
846 sc->sc_status.dz = 0;
847 /* sc->sc_status.dt = 0; */
848
849 if (usb_fifo_alloc_buffer(fifo,
850 UMS_BUF_SIZE, UMS_IFQ_MAXLEN)) {
851 return (ENOMEM);
852 }
853 }
854 return (0);
855}
856
857static void
858ums_close(struct usb_fifo *fifo, int fflags)
859{
860 if (fflags & FREAD) {
861 usb_fifo_free_buffer(fifo);
862 }
863}
864
865static int
866ums_ioctl(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags)
867{
868 struct ums_softc *sc = usb_fifo_softc(fifo);
869 mousemode_t mode;
870 int error = 0;
871
872 DPRINTFN(2, "\n");
873
8d7664cb 874 lockmgr(&sc->sc_lock, LK_EXCLUSIVE);
12bd3c8b
SW		 875
876 switch (cmd) {
877 case MOUSE_GETHWINFO:
878 *(mousehw_t *)addr = sc->sc_hw;
879 break;
880
881 case MOUSE_GETMODE:
882 *(mousemode_t *)addr = sc->sc_mode;
883 break;
884
885 case MOUSE_SETMODE:
886 mode = *(mousemode_t *)addr;
887
888 if (mode.level == -1) {
889 /* don't change the current setting */
890 } else if ((mode.level < 0) || (mode.level > 1)) {
891 error = EINVAL;
892 goto done;
893 } else {
894 sc->sc_mode.level = mode.level;
895 }
896
897 /* store polling rate */
898 sc->sc_pollrate = mode.rate;
899
900 if (sc->sc_mode.level == 0) {
901 if (sc->sc_buttons > MOUSE_MSC_MAXBUTTON)
902 sc->sc_hw.buttons = MOUSE_MSC_MAXBUTTON;
903 else
904 sc->sc_hw.buttons = sc->sc_buttons;
905 sc->sc_mode.protocol = MOUSE_PROTO_MSC;
906 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE;
907 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
908 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC;
909 } else if (sc->sc_mode.level == 1) {
910 if (sc->sc_buttons > MOUSE_SYS_MAXBUTTON)
911 sc->sc_hw.buttons = MOUSE_SYS_MAXBUTTON;
912 else
913 sc->sc_hw.buttons = sc->sc_buttons;
914 sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE;
915 sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE;
916 sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK;
917 sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC;
918 }
919 ums_reset_buf(sc);
920 break;
921
922 case MOUSE_GETLEVEL:
923 *(int *)addr = sc->sc_mode.level;
924 break;
925
926 case MOUSE_SETLEVEL:
927 if (*(int *)addr < 0 || *(int *)addr > 1) {
928 error = EINVAL;
929 goto done;
930 }
931 sc->sc_mode.level = *(int *)addr;
932
933 if (sc->sc_mode.level == 0) {
934 if (sc->sc_buttons > MOUSE_MSC_MAXBUTTON)
935 sc->sc_hw.buttons = MOUSE_MSC_MAXBUTTON;
936 else
937 sc->sc_hw.buttons = sc->sc_buttons;
938 sc->sc_mode.protocol = MOUSE_PROTO_MSC;
939 sc->sc_mode.packetsize = MOUSE_MSC_PACKETSIZE;
940 sc->sc_mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
941 sc->sc_mode.syncmask[1] = MOUSE_MSC_SYNC;
942 } else if (sc->sc_mode.level == 1) {
943 if (sc->sc_buttons > MOUSE_SYS_MAXBUTTON)
944 sc->sc_hw.buttons = MOUSE_SYS_MAXBUTTON;
945 else
946 sc->sc_hw.buttons = sc->sc_buttons;
947 sc->sc_mode.protocol = MOUSE_PROTO_SYSMOUSE;
948 sc->sc_mode.packetsize = MOUSE_SYS_PACKETSIZE;
949 sc->sc_mode.syncmask[0] = MOUSE_SYS_SYNCMASK;
950 sc->sc_mode.syncmask[1] = MOUSE_SYS_SYNC;
951 }
952 ums_reset_buf(sc);
953 break;
954
955 case MOUSE_GETSTATUS:{
956 mousestatus_t *status = (mousestatus_t *)addr;
957
958 *status = sc->sc_status;
959 sc->sc_status.obutton = sc->sc_status.button;
960 sc->sc_status.button = 0;
961 sc->sc_status.dx = 0;
962 sc->sc_status.dy = 0;
963 sc->sc_status.dz = 0;
964 /* sc->sc_status.dt = 0; */
965
966 if (status->dx || status->dy || status->dz /* || status->dt */ ) {
967 status->flags |= MOUSE_POSCHANGED;
968 }
969 if (status->button != status->obutton) {
970 status->flags |= MOUSE_BUTTONSCHANGED;
971 }
972 break;
973 }
974 default:
975 error = ENOTTY;
976 }
977
978done:
8d7664cb 979 lockmgr(&sc->sc_lock, LK_RELEASE);
12bd3c8b
SW		 980 return (error);
981}
982
b7abfd18 983#if 0 /* XXX */
12bd3c8b
SW		 984static int
985ums_sysctl_handler_parseinfo(SYSCTL_HANDLER_ARGS)
986{
987 struct ums_softc *sc = arg1;
988 struct ums_info *info;
989 struct sbuf *sb;
990 int i, j, err, had_output;
991
992 sb = sbuf_new_auto();
993 for (i = 0, had_output = 0; i < UMS_INFO_MAX; i++) {
994 info = &sc->sc_info[i];
995
996 /* Don't emit empty info */
997 if ((info->sc_flags &
998 (UMS_FLAG_X_AXIS | UMS_FLAG_Y_AXIS | UMS_FLAG_Z_AXIS |
999 UMS_FLAG_T_AXIS | UMS_FLAG_W_AXIS)) == 0 &&
1000 info->sc_buttons == 0)
1001 continue;
1002
1003 if (had_output)
1004 sbuf_printf(sb, "\n");
1005 had_output = 1;
1006 sbuf_printf(sb, "i%d:", i + 1);
1007 if (info->sc_flags & UMS_FLAG_X_AXIS)
1008 sbuf_printf(sb, " X:r%d, p%d, s%d;",
1009 (int)info->sc_iid_x,
1010 (int)info->sc_loc_x.pos,
1011 (int)info->sc_loc_x.size);
1012 if (info->sc_flags & UMS_FLAG_Y_AXIS)
1013 sbuf_printf(sb, " Y:r%d, p%d, s%d;",
1014 (int)info->sc_iid_y,
1015 (int)info->sc_loc_y.pos,
1016 (int)info->sc_loc_y.size);
1017 if (info->sc_flags & UMS_FLAG_Z_AXIS)
1018 sbuf_printf(sb, " Z:r%d, p%d, s%d;",
1019 (int)info->sc_iid_z,
1020 (int)info->sc_loc_z.pos,
1021 (int)info->sc_loc_z.size);
1022 if (info->sc_flags & UMS_FLAG_T_AXIS)
1023 sbuf_printf(sb, " T:r%d, p%d, s%d;",
1024 (int)info->sc_iid_t,
1025 (int)info->sc_loc_t.pos,
1026 (int)info->sc_loc_t.size);
1027 if (info->sc_flags & UMS_FLAG_W_AXIS)
1028 sbuf_printf(sb, " W:r%d, p%d, s%d;",
1029 (int)info->sc_iid_w,
1030 (int)info->sc_loc_w.pos,
1031 (int)info->sc_loc_w.size);
1032
1033 for (j = 0; j < info->sc_buttons; j++) {
1034 sbuf_printf(sb, " B%d:r%d, p%d, s%d;", j + 1,
1035 (int)info->sc_iid_btn[j],
1036 (int)info->sc_loc_btn[j].pos,
1037 (int)info->sc_loc_btn[j].size);
1038 }
1039 }
1040 sbuf_finish(sb);
1041 err = SYSCTL_OUT(req, sbuf_data(sb), sbuf_len(sb) + 1);
1042 sbuf_delete(sb);
1043
1044 return (err);
1045}
b7abfd18 1046#endif
12bd3c8b
SW		 1047
1048static devclass_t ums_devclass;
1049
1050static 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
1057static driver_t ums_driver = {
1058 .name = "ums",
1059 .methods = ums_methods,
1060 .size = sizeof(struct ums_softc),
1061};
1062
15f415f6 1063DRIVER_MODULE(ums, uhub, ums_driver, ums_devclass, NULL, NULL);
12bd3c8b
SW		 1064MODULE_DEPEND(ums, usb, 1, 1, 1);
1065MODULE_VERSION(ums, 1);
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