| 1 | /* $NetBSD: ums.c,v 1.90 2016/04/27 19:35:17 jakllsch Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1998 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Lennart Augustsson (lennart@augustsson.net) at |
| 9 | * Carlstedt Research & Technology. |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without |
| 12 | * modification, are permitted provided that the following conditions |
| 13 | * are met: |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer. |
| 16 | * 2. Redistributions in binary form must reproduce the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer in the |
| 18 | * documentation and/or other materials provided with the distribution. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | * POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | /* |
| 34 | * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf |
| 35 | */ |
| 36 | |
| 37 | #include <sys/cdefs.h> |
| 38 | __KERNEL_RCSID(0, "$NetBSD: ums.c,v 1.90 2016/04/27 19:35:17 jakllsch Exp $" ); |
| 39 | |
| 40 | #ifdef _KERNEL_OPT |
| 41 | #include "opt_usb.h" |
| 42 | #endif |
| 43 | |
| 44 | #include <sys/param.h> |
| 45 | #include <sys/systm.h> |
| 46 | #include <sys/kernel.h> |
| 47 | #include <sys/device.h> |
| 48 | #include <sys/ioctl.h> |
| 49 | #include <sys/file.h> |
| 50 | #include <sys/select.h> |
| 51 | #include <sys/proc.h> |
| 52 | #include <sys/vnode.h> |
| 53 | #include <sys/poll.h> |
| 54 | |
| 55 | #include <dev/usb/usb.h> |
| 56 | #include <dev/usb/usbhid.h> |
| 57 | |
| 58 | #include <dev/usb/usbdi.h> |
| 59 | #include <dev/usb/usbdi_util.h> |
| 60 | #include <dev/usb/usbdevs.h> |
| 61 | #include <dev/usb/usb_quirks.h> |
| 62 | #include <dev/usb/uhidev.h> |
| 63 | #include <dev/usb/hid.h> |
| 64 | |
| 65 | #include <dev/wscons/wsconsio.h> |
| 66 | #include <dev/wscons/wsmousevar.h> |
| 67 | |
| 68 | #ifdef UMS_DEBUG |
| 69 | #define DPRINTF(x) if (umsdebug) printf x |
| 70 | #define DPRINTFN(n,x) if (umsdebug>(n)) printf x |
| 71 | int umsdebug = 0; |
| 72 | #else |
| 73 | #define DPRINTF(x) |
| 74 | #define DPRINTFN(n,x) |
| 75 | #endif |
| 76 | |
| 77 | #define UMS_BUT(i) ((i) == 1 || (i) == 2 ? 3 - (i) : i) |
| 78 | |
| 79 | #define UMSUNIT(s) (minor(s)) |
| 80 | |
| 81 | #define PS2LBUTMASK x01 |
| 82 | #define PS2RBUTMASK x02 |
| 83 | #define PS2MBUTMASK x04 |
| 84 | #define PS2BUTMASK 0x0f |
| 85 | |
| 86 | #define MAX_BUTTONS 31 /* must not exceed size of sc_buttons */ |
| 87 | |
| 88 | struct ums_softc { |
| 89 | struct uhidev sc_hdev; |
| 90 | |
| 91 | struct hid_location sc_loc_x, sc_loc_y, sc_loc_z, sc_loc_w; |
| 92 | struct hid_location sc_loc_btn[MAX_BUTTONS]; |
| 93 | |
| 94 | int sc_enabled; |
| 95 | |
| 96 | u_int flags; /* device configuration */ |
| 97 | #define UMS_Z 0x001 /* z direction available */ |
| 98 | #define UMS_SPUR_BUT_UP 0x002 /* spurious button up events */ |
| 99 | #define UMS_REVZ 0x004 /* Z-axis is reversed */ |
| 100 | #define UMS_W 0x008 /* w direction/tilt available */ |
| 101 | #define UMS_ABS 0x010 /* absolute position, touchpanel */ |
| 102 | #define UMS_TIP_SWITCH 0x020 /* digitizer tip switch */ |
| 103 | #define UMS_SEC_TIP_SWITCH 0x040 /* digitizer secondary tip switch */ |
| 104 | #define UMS_BARREL_SWITCH 0x080 /* digitizer barrel switch */ |
| 105 | #define UMS_ERASER 0x100 /* digitizer eraser */ |
| 106 | |
| 107 | int nbuttons; |
| 108 | |
| 109 | uint32_t sc_buttons; /* mouse button status */ |
| 110 | device_t sc_wsmousedev; |
| 111 | |
| 112 | char sc_dying; |
| 113 | }; |
| 114 | |
| 115 | static const struct { |
| 116 | u_int feature; |
| 117 | u_int flag; |
| 118 | } digbut[] = { |
| 119 | { HUD_TIP_SWITCH, UMS_TIP_SWITCH }, |
| 120 | { HUD_SEC_TIP_SWITCH, UMS_SEC_TIP_SWITCH }, |
| 121 | { HUD_BARREL_SWITCH, UMS_BARREL_SWITCH }, |
| 122 | { HUD_ERASER, UMS_ERASER }, |
| 123 | }; |
| 124 | |
| 125 | #define MOUSE_FLAGS_MASK (HIO_CONST|HIO_RELATIVE) |
| 126 | |
| 127 | Static void ums_intr(struct uhidev *, void *, u_int); |
| 128 | |
| 129 | Static int ums_enable(void *); |
| 130 | Static void ums_disable(void *); |
| 131 | Static int ums_ioctl(void *, u_long, void *, int, struct lwp *); |
| 132 | |
| 133 | const struct wsmouse_accessops ums_accessops = { |
| 134 | ums_enable, |
| 135 | ums_ioctl, |
| 136 | ums_disable, |
| 137 | }; |
| 138 | |
| 139 | int ums_match(device_t, cfdata_t, void *); |
| 140 | void ums_attach(device_t, device_t, void *); |
| 141 | void ums_childdet(device_t, device_t); |
| 142 | int ums_detach(device_t, int); |
| 143 | int ums_activate(device_t, enum devact); |
| 144 | extern struct cfdriver ums_cd; |
| 145 | CFATTACH_DECL2_NEW(ums, sizeof(struct ums_softc), ums_match, ums_attach, |
| 146 | ums_detach, ums_activate, NULL, ums_childdet); |
| 147 | |
| 148 | int |
| 149 | ums_match(device_t parent, cfdata_t match, void *aux) |
| 150 | { |
| 151 | struct uhidev_attach_arg *uha = aux; |
| 152 | int size; |
| 153 | void *desc; |
| 154 | |
| 155 | /* |
| 156 | * Some (older) Griffin PowerMate knobs may masquerade as a |
| 157 | * mouse, avoid treating them as such, they have only one axis. |
| 158 | */ |
| 159 | if (uha->uiaa->uiaa_vendor == USB_VENDOR_GRIFFIN && |
| 160 | uha->uiaa->uiaa_product == USB_PRODUCT_GRIFFIN_POWERMATE) |
| 161 | return UMATCH_NONE; |
| 162 | |
| 163 | uhidev_get_report_desc(uha->parent, &desc, &size); |
| 164 | if (!hid_is_collection(desc, size, uha->reportid, |
| 165 | HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_MOUSE)) && |
| 166 | !hid_is_collection(desc, size, uha->reportid, |
| 167 | HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_POINTER)) && |
| 168 | !hid_is_collection(desc, size, uha->reportid, |
| 169 | HID_USAGE2(HUP_DIGITIZERS, 0x0002))) |
| 170 | return UMATCH_NONE; |
| 171 | |
| 172 | return UMATCH_IFACECLASS; |
| 173 | } |
| 174 | |
| 175 | void |
| 176 | ums_attach(device_t parent, device_t self, void *aux) |
| 177 | { |
| 178 | struct ums_softc *sc = device_private(self); |
| 179 | struct uhidev_attach_arg *uha = aux; |
| 180 | struct wsmousedev_attach_args a; |
| 181 | int size; |
| 182 | void *desc; |
| 183 | uint32_t flags, quirks; |
| 184 | int i, hl; |
| 185 | struct hid_location *zloc; |
| 186 | bool isdigitizer; |
| 187 | |
| 188 | aprint_naive("\n" ); |
| 189 | |
| 190 | sc->sc_hdev.sc_dev = self; |
| 191 | sc->sc_hdev.sc_intr = ums_intr; |
| 192 | sc->sc_hdev.sc_parent = uha->parent; |
| 193 | sc->sc_hdev.sc_report_id = uha->reportid; |
| 194 | |
| 195 | quirks = usbd_get_quirks(uha->parent->sc_udev)->uq_flags; |
| 196 | if (quirks & UQ_MS_REVZ) |
| 197 | sc->flags |= UMS_REVZ; |
| 198 | if (quirks & UQ_SPUR_BUT_UP) |
| 199 | sc->flags |= UMS_SPUR_BUT_UP; |
| 200 | |
| 201 | uhidev_get_report_desc(uha->parent, &desc, &size); |
| 202 | |
| 203 | isdigitizer = hid_is_collection(desc, size, uha->reportid, |
| 204 | HID_USAGE2(HUP_DIGITIZERS, 0x0002)); |
| 205 | |
| 206 | if (!pmf_device_register(self, NULL, NULL)) |
| 207 | aprint_error_dev(self, "couldn't establish power handler\n" ); |
| 208 | |
| 209 | if (!hid_locate(desc, size, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X), |
| 210 | uha->reportid, hid_input, &sc->sc_loc_x, &flags)) { |
| 211 | aprint_error("\n%s: mouse has no X report\n" , |
| 212 | device_xname(sc->sc_hdev.sc_dev)); |
| 213 | return; |
| 214 | } |
| 215 | switch (flags & MOUSE_FLAGS_MASK) { |
| 216 | case 0: |
| 217 | sc->flags |= UMS_ABS; |
| 218 | break; |
| 219 | case HIO_RELATIVE: |
| 220 | break; |
| 221 | default: |
| 222 | aprint_error("\n%s: X report 0x%04x not supported\n" , |
| 223 | device_xname(sc->sc_hdev.sc_dev), flags); |
| 224 | return; |
| 225 | } |
| 226 | |
| 227 | if (!hid_locate(desc, size, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y), |
| 228 | uha->reportid, hid_input, &sc->sc_loc_y, &flags)) { |
| 229 | aprint_error("\n%s: mouse has no Y report\n" , |
| 230 | device_xname(sc->sc_hdev.sc_dev)); |
| 231 | return; |
| 232 | } |
| 233 | switch (flags & MOUSE_FLAGS_MASK) { |
| 234 | case 0: |
| 235 | sc->flags |= UMS_ABS; |
| 236 | break; |
| 237 | case HIO_RELATIVE: |
| 238 | break; |
| 239 | default: |
| 240 | aprint_error("\n%s: Y report 0x%04x not supported\n" , |
| 241 | device_xname(sc->sc_hdev.sc_dev), flags); |
| 242 | return; |
| 243 | } |
| 244 | |
| 245 | /* Try the wheel first as the Z activator since it's tradition. */ |
| 246 | hl = hid_locate(desc, |
| 247 | size, |
| 248 | HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_WHEEL), |
| 249 | uha->reportid, |
| 250 | hid_input, |
| 251 | &sc->sc_loc_z, |
| 252 | &flags); |
| 253 | |
| 254 | zloc = &sc->sc_loc_z; |
| 255 | if (hl) { |
| 256 | if ((flags & MOUSE_FLAGS_MASK) != HIO_RELATIVE) { |
| 257 | aprint_verbose("\n%s: Wheel report 0x%04x not " |
| 258 | "supported\n" , device_xname(sc->sc_hdev.sc_dev), |
| 259 | flags); |
| 260 | sc->sc_loc_z.size = 0; /* Bad Z coord, ignore it */ |
| 261 | } else { |
| 262 | sc->flags |= UMS_Z; |
| 263 | /* Wheels need the Z axis reversed. */ |
| 264 | sc->flags ^= UMS_REVZ; |
| 265 | /* Put Z on the W coordinate */ |
| 266 | zloc = &sc->sc_loc_w; |
| 267 | } |
| 268 | } |
| 269 | |
| 270 | hl = hid_locate(desc, |
| 271 | size, |
| 272 | HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Z), |
| 273 | uha->reportid, |
| 274 | hid_input, |
| 275 | zloc, |
| 276 | &flags); |
| 277 | |
| 278 | /* |
| 279 | * The horizontal component of the scrollball can also be given by |
| 280 | * Application Control Pan in the Consumer page, so if we didnt see |
| 281 | * any Z then check that. |
| 282 | */ |
| 283 | if (!hl) { |
| 284 | hl = hid_locate(desc, |
| 285 | size, |
| 286 | HID_USAGE2(HUP_CONSUMER, HUC_AC_PAN), |
| 287 | uha->reportid, |
| 288 | hid_input, |
| 289 | zloc, |
| 290 | &flags); |
| 291 | } |
| 292 | |
| 293 | if (hl) { |
| 294 | if ((flags & MOUSE_FLAGS_MASK) != HIO_RELATIVE) { |
| 295 | aprint_verbose("\n%s: Z report 0x%04x not supported\n" , |
| 296 | device_xname(sc->sc_hdev.sc_dev), flags); |
| 297 | zloc->size = 0; /* Bad Z coord, ignore it */ |
| 298 | } else { |
| 299 | if (sc->flags & UMS_Z) |
| 300 | sc->flags |= UMS_W; |
| 301 | else |
| 302 | sc->flags |= UMS_Z; |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | if (uha->uiaa->uiaa_vendor == USB_VENDOR_MICROSOFT) { |
| 307 | int fixpos; |
| 308 | /* |
| 309 | * The Microsoft Wireless Laser Mouse 6000 v2.0 and the |
| 310 | * Microsoft Comfort Mouse 2.0 report a bad position for |
| 311 | * the wheel and wheel tilt controls -- should be in bytes |
| 312 | * 3 & 4 of the report. Fix this if necessary. |
| 313 | */ |
| 314 | switch (uha->uiaa->uiaa_product) { |
| 315 | case USB_PRODUCT_MICROSOFT_24GHZ_XCVR10: |
| 316 | case USB_PRODUCT_MICROSOFT_24GHZ_XCVR20: |
| 317 | fixpos = 24; |
| 318 | break; |
| 319 | case USB_PRODUCT_MICROSOFT_CM6000: |
| 320 | fixpos = 40; |
| 321 | break; |
| 322 | default: |
| 323 | fixpos = 0; |
| 324 | break; |
| 325 | } |
| 326 | if (fixpos) { |
| 327 | if ((sc->flags & UMS_Z) && sc->sc_loc_z.pos == 0) |
| 328 | sc->sc_loc_z.pos = fixpos; |
| 329 | if ((sc->flags & UMS_W) && sc->sc_loc_w.pos == 0) |
| 330 | sc->sc_loc_w.pos = sc->sc_loc_z.pos + 8; |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | /* figure out the number of buttons */ |
| 335 | for (i = 1; i <= MAX_BUTTONS; i++) |
| 336 | if (!hid_locate(desc, size, HID_USAGE2(HUP_BUTTON, i), |
| 337 | uha->reportid, hid_input, &sc->sc_loc_btn[i - 1], 0)) |
| 338 | break; |
| 339 | |
| 340 | if (isdigitizer) { |
| 341 | for (size_t j = 0; j < __arraycount(digbut); j++) { |
| 342 | if (hid_locate(desc, size, HID_USAGE2(HUP_DIGITIZERS, |
| 343 | digbut[j].feature), uha->reportid, hid_input, |
| 344 | &sc->sc_loc_btn[i - 1], 0)) { |
| 345 | if (i <= MAX_BUTTONS) { |
| 346 | i++; |
| 347 | sc->flags |= digbut[j].flag; |
| 348 | } else |
| 349 | aprint_error_dev(self, |
| 350 | "ran out of buttons\n" ); |
| 351 | } |
| 352 | } |
| 353 | } |
| 354 | sc->nbuttons = i - 1; |
| 355 | |
| 356 | aprint_normal(": %d button%s%s%s%s%s%s%s%s%s\n" , |
| 357 | sc->nbuttons, sc->nbuttons == 1 ? "" : "s" , |
| 358 | sc->flags & UMS_W ? ", W" : "" , |
| 359 | sc->flags & UMS_Z ? " and Z dir" : "" , |
| 360 | sc->flags & UMS_W ? "s" : "" , |
| 361 | isdigitizer ? " digitizer" : "" , |
| 362 | sc->flags & UMS_TIP_SWITCH ? ", tip" : "" , |
| 363 | sc->flags & UMS_SEC_TIP_SWITCH ? ", sec tip" : "" , |
| 364 | sc->flags & UMS_BARREL_SWITCH ? ", barrel" : "" , |
| 365 | sc->flags & UMS_ERASER ? ", eraser" : "" ); |
| 366 | |
| 367 | #ifdef UMS_DEBUG |
| 368 | DPRINTF(("ums_attach: sc=%p\n" , sc)); |
| 369 | DPRINTF(("ums_attach: X\t%d/%d\n" , |
| 370 | sc->sc_loc_x.pos, sc->sc_loc_x.size)); |
| 371 | DPRINTF(("ums_attach: Y\t%d/%d\n" , |
| 372 | sc->sc_loc_y.pos, sc->sc_loc_y.size)); |
| 373 | if (sc->flags & UMS_Z) |
| 374 | DPRINTF(("ums_attach: Z\t%d/%d\n" , |
| 375 | sc->sc_loc_z.pos, sc->sc_loc_z.size)); |
| 376 | if (sc->flags & UMS_W) |
| 377 | DPRINTF(("ums_attach: W\t%d/%d\n" , |
| 378 | sc->sc_loc_w.pos, sc->sc_loc_w.size)); |
| 379 | for (i = 1; i <= sc->nbuttons; i++) { |
| 380 | DPRINTF(("ums_attach: B%d\t%d/%d\n" , |
| 381 | i, sc->sc_loc_btn[i-1].pos,sc->sc_loc_btn[i-1].size)); |
| 382 | } |
| 383 | #endif |
| 384 | |
| 385 | a.accessops = &ums_accessops; |
| 386 | a.accesscookie = sc; |
| 387 | |
| 388 | sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint); |
| 389 | |
| 390 | return; |
| 391 | } |
| 392 | |
| 393 | int |
| 394 | ums_activate(device_t self, enum devact act) |
| 395 | { |
| 396 | struct ums_softc *sc = device_private(self); |
| 397 | |
| 398 | switch (act) { |
| 399 | case DVACT_DEACTIVATE: |
| 400 | sc->sc_dying = 1; |
| 401 | return 0; |
| 402 | default: |
| 403 | return EOPNOTSUPP; |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | void |
| 408 | ums_childdet(device_t self, device_t child) |
| 409 | { |
| 410 | struct ums_softc *sc = device_private(self); |
| 411 | |
| 412 | KASSERT(sc->sc_wsmousedev == child); |
| 413 | sc->sc_wsmousedev = NULL; |
| 414 | } |
| 415 | |
| 416 | int |
| 417 | ums_detach(device_t self, int flags) |
| 418 | { |
| 419 | struct ums_softc *sc = device_private(self); |
| 420 | int rv = 0; |
| 421 | |
| 422 | DPRINTF(("ums_detach: sc=%p flags=%d\n" , sc, flags)); |
| 423 | |
| 424 | /* No need to do reference counting of ums, wsmouse has all the goo. */ |
| 425 | if (sc->sc_wsmousedev != NULL) |
| 426 | rv = config_detach(sc->sc_wsmousedev, flags); |
| 427 | |
| 428 | pmf_device_deregister(self); |
| 429 | |
| 430 | return rv; |
| 431 | } |
| 432 | |
| 433 | void |
| 434 | ums_intr(struct uhidev *addr, void *ibuf, u_int len) |
| 435 | { |
| 436 | struct ums_softc *sc = (struct ums_softc *)addr; |
| 437 | int dx, dy, dz, dw; |
| 438 | uint32_t buttons = 0; |
| 439 | int i, flags, s; |
| 440 | |
| 441 | DPRINTFN(5,("ums_intr: len=%d\n" , len)); |
| 442 | |
| 443 | flags = WSMOUSE_INPUT_DELTA; /* equals 0 */ |
| 444 | |
| 445 | dx = hid_get_data(ibuf, &sc->sc_loc_x); |
| 446 | if (sc->flags & UMS_ABS) { |
| 447 | flags |= (WSMOUSE_INPUT_ABSOLUTE_X | WSMOUSE_INPUT_ABSOLUTE_Y); |
| 448 | dy = hid_get_data(ibuf, &sc->sc_loc_y); |
| 449 | } else |
| 450 | dy = -hid_get_data(ibuf, &sc->sc_loc_y); |
| 451 | dz = hid_get_data(ibuf, &sc->sc_loc_z); |
| 452 | dw = hid_get_data(ibuf, &sc->sc_loc_w); |
| 453 | |
| 454 | if (sc->flags & UMS_REVZ) |
| 455 | dz = -dz; |
| 456 | for (i = 0; i < sc->nbuttons; i++) |
| 457 | if (hid_get_data(ibuf, &sc->sc_loc_btn[i])) |
| 458 | buttons |= (1 << UMS_BUT(i)); |
| 459 | |
| 460 | if (dx != 0 || dy != 0 || dz != 0 || dw != 0 || |
| 461 | buttons != sc->sc_buttons) { |
| 462 | DPRINTFN(10, ("ums_intr: x:%d y:%d z:%d w:%d buttons:0x%x\n" , |
| 463 | dx, dy, dz, dw, buttons)); |
| 464 | sc->sc_buttons = buttons; |
| 465 | if (sc->sc_wsmousedev != NULL) { |
| 466 | s = spltty(); |
| 467 | wsmouse_input(sc->sc_wsmousedev, buttons, dx, dy, dz, |
| 468 | dw, flags); |
| 469 | splx(s); |
| 470 | } |
| 471 | } |
| 472 | } |
| 473 | |
| 474 | Static int |
| 475 | ums_enable(void *v) |
| 476 | { |
| 477 | struct ums_softc *sc = v; |
| 478 | int error; |
| 479 | |
| 480 | DPRINTFN(1,("ums_enable: sc=%p\n" , sc)); |
| 481 | |
| 482 | if (sc->sc_dying) |
| 483 | return EIO; |
| 484 | |
| 485 | if (sc->sc_enabled) |
| 486 | return EBUSY; |
| 487 | |
| 488 | sc->sc_enabled = 1; |
| 489 | sc->sc_buttons = 0; |
| 490 | |
| 491 | error = uhidev_open(&sc->sc_hdev); |
| 492 | if (error) |
| 493 | sc->sc_enabled = 0; |
| 494 | |
| 495 | return error; |
| 496 | } |
| 497 | |
| 498 | Static void |
| 499 | ums_disable(void *v) |
| 500 | { |
| 501 | struct ums_softc *sc = v; |
| 502 | |
| 503 | DPRINTFN(1,("ums_disable: sc=%p\n" , sc)); |
| 504 | #ifdef DIAGNOSTIC |
| 505 | if (!sc->sc_enabled) { |
| 506 | printf("ums_disable: not enabled\n" ); |
| 507 | return; |
| 508 | } |
| 509 | #endif |
| 510 | |
| 511 | if (sc->sc_enabled) { |
| 512 | sc->sc_enabled = 0; |
| 513 | uhidev_close(&sc->sc_hdev); |
| 514 | } |
| 515 | } |
| 516 | |
| 517 | Static int |
| 518 | ums_ioctl(void *v, u_long cmd, void *data, int flag, |
| 519 | struct lwp * p) |
| 520 | |
| 521 | { |
| 522 | struct ums_softc *sc = v; |
| 523 | |
| 524 | switch (cmd) { |
| 525 | case WSMOUSEIO_GTYPE: |
| 526 | if (sc->flags & UMS_ABS) |
| 527 | *(u_int *)data = WSMOUSE_TYPE_TPANEL; |
| 528 | else |
| 529 | *(u_int *)data = WSMOUSE_TYPE_USB; |
| 530 | return 0; |
| 531 | } |
| 532 | |
| 533 | return EPASSTHROUGH; |
| 534 | } |
| 535 | |