uep.c revision 1.2.2.6
1 1.2.2.6 skrll /* $NetBSD: uep.c,v 1.2.2.6 2005/03/04 16:50:55 skrll Exp $ */ 2 1.2.2.2 skrll 3 1.2.2.2 skrll /* 4 1.2.2.2 skrll * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 1.2.2.2 skrll * All rights reserved. 6 1.2.2.2 skrll * 7 1.2.2.2 skrll * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 skrll * by Tyler C. Sarna (tsarna (at) netbsd.org). 9 1.2.2.2 skrll * 10 1.2.2.2 skrll * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 skrll * modification, are permitted provided that the following conditions 12 1.2.2.2 skrll * are met: 13 1.2.2.2 skrll * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 skrll * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 skrll * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 skrll * documentation and/or other materials provided with the distribution. 18 1.2.2.2 skrll * 3. All advertising materials mentioning features or use of this software 19 1.2.2.2 skrll * must display the following acknowledgement: 20 1.2.2.2 skrll * This product includes software developed by the NetBSD 21 1.2.2.2 skrll * Foundation, Inc. and its contributors. 22 1.2.2.2 skrll * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.2.2 skrll * contributors may be used to endorse or promote products derived 24 1.2.2.2 skrll * from this software without specific prior written permission. 25 1.2.2.2 skrll * 26 1.2.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.2.2 skrll * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.2.2 skrll * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.2.2 skrll * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.2.2 skrll * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.2.2 skrll * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.2.2 skrll * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.2.2 skrll * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.2.2 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.2.2 skrll * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.2.2 skrll * POSSIBILITY OF SUCH DAMAGE. 37 1.2.2.2 skrll */ 38 1.2.2.2 skrll 39 1.2.2.2 skrll /* 40 1.2.2.2 skrll * eGalax USB touchpanel controller driver. 41 1.2.2.2 skrll * 42 1.2.2.2 skrll * For Programming Documentation, see: 43 1.2.2.2 skrll * 44 1.2.2.2 skrll * http://www.egalax.com/SoftwareProgrammingGuide_1.1.pdf 45 1.2.2.2 skrll */ 46 1.2.2.6 skrll 47 1.2.2.2 skrll #include <sys/cdefs.h> 48 1.2.2.6 skrll __KERNEL_RCSID(0, "$NetBSD: uep.c,v 1.2.2.6 2005/03/04 16:50:55 skrll Exp $"); 49 1.2.2.2 skrll 50 1.2.2.2 skrll #include <sys/param.h> 51 1.2.2.2 skrll #include <sys/systm.h> 52 1.2.2.2 skrll #include <sys/kernel.h> 53 1.2.2.2 skrll #include <sys/malloc.h> 54 1.2.2.2 skrll #include <sys/device.h> 55 1.2.2.2 skrll #include <sys/ioctl.h> 56 1.2.2.2 skrll #include <sys/vnode.h> 57 1.2.2.2 skrll 58 1.2.2.2 skrll #include <dev/usb/usb.h> 59 1.2.2.2 skrll #include <dev/usb/usbdi.h> 60 1.2.2.2 skrll #include <dev/usb/usbdi_util.h> 61 1.2.2.2 skrll #include <dev/usb/usbdevs.h> 62 1.2.2.2 skrll #include <dev/usb/usb_quirks.h> 63 1.2.2.2 skrll 64 1.2.2.2 skrll #include <dev/wscons/wsconsio.h> 65 1.2.2.2 skrll #include <dev/wscons/wsmousevar.h> 66 1.2.2.2 skrll #include <dev/wscons/tpcalibvar.h> 67 1.2.2.2 skrll 68 1.2.2.2 skrll #define UIDSTR "eGalax USB SN000000" 69 1.2.2.2 skrll 70 1.2.2.2 skrll struct uep_softc { 71 1.2.2.2 skrll USBBASEDEVICE sc_dev; 72 1.2.2.2 skrll usbd_device_handle sc_udev; /* device */ 73 1.2.2.2 skrll usbd_interface_handle sc_iface; /* interface */ 74 1.2.2.2 skrll int sc_iface_number; 75 1.2.2.2 skrll 76 1.2.2.2 skrll int sc_intr_number; /* interrupt number */ 77 1.2.2.2 skrll usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ 78 1.2.2.2 skrll u_char *sc_ibuf; 79 1.2.2.2 skrll int sc_isize; 80 1.2.2.2 skrll 81 1.2.2.2 skrll device_ptr_t sc_wsmousedev; /* wsmouse device */ 82 1.2.2.2 skrll struct tpcalib_softc sc_tpcalib; /* calibration */ 83 1.2.2.2 skrll 84 1.2.2.2 skrll u_char sc_enabled; 85 1.2.2.2 skrll u_char sc_dying; 86 1.2.2.2 skrll }; 87 1.2.2.2 skrll 88 1.2.2.2 skrll static struct wsmouse_calibcoords default_calib = { 89 1.2.2.2 skrll 0, 0, 2047, 2047, 90 1.2.2.2 skrll WSMOUSE_CALIBCOORDS_RESET, 91 1.2.2.2 skrll }; 92 1.2.2.2 skrll 93 1.2.2.2 skrll Static void uep_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 94 1.2.2.2 skrll 95 1.2.2.2 skrll Static int uep_enable(void *); 96 1.2.2.2 skrll Static void uep_disable(void *); 97 1.2.2.5 skrll Static int uep_ioctl(void *, u_long, caddr_t, int, struct lwp *); 98 1.2.2.2 skrll 99 1.2.2.2 skrll const struct wsmouse_accessops uep_accessops = { 100 1.2.2.2 skrll uep_enable, 101 1.2.2.2 skrll uep_ioctl, 102 1.2.2.2 skrll uep_disable, 103 1.2.2.2 skrll }; 104 1.2.2.2 skrll 105 1.2.2.2 skrll USB_DECLARE_DRIVER(uep); 106 1.2.2.2 skrll 107 1.2.2.2 skrll USB_MATCH(uep) 108 1.2.2.2 skrll { 109 1.2.2.2 skrll USB_MATCH_START(uep, uaa); 110 1.2.2.2 skrll 111 1.2.2.2 skrll if (uaa->iface == NULL) 112 1.2.2.2 skrll return UMATCH_NONE; 113 1.2.2.2 skrll 114 1.2.2.2 skrll if ((uaa->vendor == USB_VENDOR_EGALAX) && ( 115 1.2.2.2 skrll (uaa->product == USB_PRODUCT_EGALAX_TPANEL) 116 1.2.2.2 skrll || (uaa->product == USB_PRODUCT_EGALAX_TPANEL2) 117 1.2.2.2 skrll )) 118 1.2.2.2 skrll return UMATCH_VENDOR_PRODUCT; 119 1.2.2.2 skrll 120 1.2.2.2 skrll if ((uaa->vendor == USB_VENDOR_EGALAX2) 121 1.2.2.2 skrll && (uaa->product == USB_PRODUCT_EGALAX2_TPANEL)) 122 1.2.2.2 skrll return UMATCH_VENDOR_PRODUCT; 123 1.2.2.2 skrll 124 1.2.2.2 skrll 125 1.2.2.2 skrll return UMATCH_NONE; 126 1.2.2.2 skrll } 127 1.2.2.2 skrll 128 1.2.2.2 skrll USB_ATTACH(uep) 129 1.2.2.2 skrll { 130 1.2.2.2 skrll USB_ATTACH_START(uep, sc, uaa); 131 1.2.2.2 skrll usbd_device_handle dev = uaa->device; 132 1.2.2.2 skrll usb_config_descriptor_t *cdesc; 133 1.2.2.2 skrll usb_interface_descriptor_t *id; 134 1.2.2.2 skrll usb_endpoint_descriptor_t *ed; 135 1.2.2.2 skrll struct wsmousedev_attach_args a; 136 1.2.2.2 skrll char devinfo[1024]; 137 1.2.2.2 skrll usbd_status err; 138 1.2.2.2 skrll int i, found; 139 1.2.2.2 skrll 140 1.2.2.2 skrll usbd_devinfo(dev, 0, devinfo, sizeof(devinfo)); 141 1.2.2.2 skrll 142 1.2.2.2 skrll USB_ATTACH_SETUP; 143 1.2.2.2 skrll 144 1.2.2.2 skrll printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfo); 145 1.2.2.2 skrll 146 1.2.2.2 skrll sc->sc_udev = dev; 147 1.2.2.2 skrll sc->sc_intr_number = -1; 148 1.2.2.2 skrll sc->sc_intr_pipe = NULL; 149 1.2.2.2 skrll sc->sc_enabled = sc->sc_isize = 0; 150 1.2.2.2 skrll 151 1.2.2.2 skrll /* Move the device into the configured state. */ 152 1.2.2.2 skrll err = usbd_set_config_index(dev, 0, 1); 153 1.2.2.2 skrll if (err) { 154 1.2.2.2 skrll printf("\n%s: failed to set configuration, err=%s\n", 155 1.2.2.2 skrll USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 156 1.2.2.2 skrll sc->sc_dying = 1; 157 1.2.2.2 skrll USB_ATTACH_ERROR_RETURN; 158 1.2.2.2 skrll } 159 1.2.2.2 skrll 160 1.2.2.2 skrll /* get the config descriptor */ 161 1.2.2.2 skrll cdesc = usbd_get_config_descriptor(sc->sc_udev); 162 1.2.2.2 skrll if (cdesc == NULL) { 163 1.2.2.2 skrll printf("%s: failed to get configuration descriptor\n", 164 1.2.2.2 skrll USBDEVNAME(sc->sc_dev)); 165 1.2.2.2 skrll sc->sc_dying = 1; 166 1.2.2.2 skrll USB_ATTACH_ERROR_RETURN; 167 1.2.2.2 skrll } 168 1.2.2.2 skrll 169 1.2.2.2 skrll /* get the interface */ 170 1.2.2.2 skrll err = usbd_device2interface_handle(dev, 0, &sc->sc_iface); 171 1.2.2.2 skrll if (err) { 172 1.2.2.2 skrll printf("\n%s: failed to get interface, err=%s\n", 173 1.2.2.2 skrll USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 174 1.2.2.2 skrll sc->sc_dying = 1; 175 1.2.2.2 skrll USB_ATTACH_ERROR_RETURN; 176 1.2.2.2 skrll } 177 1.2.2.2 skrll 178 1.2.2.2 skrll /* Find the interrupt endpoint */ 179 1.2.2.2 skrll id = usbd_get_interface_descriptor(sc->sc_iface); 180 1.2.2.2 skrll sc->sc_iface_number = id->bInterfaceNumber; 181 1.2.2.2 skrll found = 0; 182 1.2.2.2 skrll 183 1.2.2.2 skrll for (i = 0; i < id->bNumEndpoints; i++) { 184 1.2.2.2 skrll ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 185 1.2.2.2 skrll if (ed == NULL) { 186 1.2.2.2 skrll printf("%s: no endpoint descriptor for %d\n", 187 1.2.2.2 skrll USBDEVNAME(sc->sc_dev), i); 188 1.2.2.2 skrll sc->sc_dying = 1; 189 1.2.2.2 skrll USB_ATTACH_ERROR_RETURN; 190 1.2.2.2 skrll } 191 1.2.2.2 skrll 192 1.2.2.2 skrll if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 193 1.2.2.2 skrll UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 194 1.2.2.2 skrll sc->sc_intr_number = ed->bEndpointAddress; 195 1.2.2.2 skrll sc->sc_isize = UGETW(ed->wMaxPacketSize); 196 1.2.2.2 skrll } 197 1.2.2.2 skrll } 198 1.2.2.2 skrll 199 1.2.2.2 skrll if (sc->sc_intr_number== -1) { 200 1.2.2.2 skrll printf("%s: Could not find interrupt in\n", 201 1.2.2.2 skrll USBDEVNAME(sc->sc_dev)); 202 1.2.2.2 skrll sc->sc_dying = 1; 203 1.2.2.2 skrll USB_ATTACH_ERROR_RETURN; 204 1.2.2.2 skrll } 205 1.2.2.2 skrll 206 1.2.2.2 skrll usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 207 1.2.2.2 skrll USBDEV(sc->sc_dev)); 208 1.2.2.2 skrll 209 1.2.2.2 skrll a.accessops = &uep_accessops; 210 1.2.2.2 skrll a.accesscookie = sc; 211 1.2.2.2 skrll 212 1.2.2.2 skrll sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint); 213 1.2.2.6 skrll 214 1.2.2.2 skrll tpcalib_init(&sc->sc_tpcalib); 215 1.2.2.2 skrll tpcalib_ioctl(&sc->sc_tpcalib, WSMOUSEIO_SCALIBCOORDS, 216 1.2.2.2 skrll (caddr_t)&default_calib, 0, 0); 217 1.2.2.2 skrll 218 1.2.2.2 skrll USB_ATTACH_SUCCESS_RETURN; 219 1.2.2.2 skrll } 220 1.2.2.2 skrll 221 1.2.2.2 skrll USB_DETACH(uep) 222 1.2.2.2 skrll { 223 1.2.2.2 skrll USB_DETACH_START(uep, sc); 224 1.2.2.2 skrll int rv = 0; 225 1.2.2.2 skrll 226 1.2.2.2 skrll if (sc->sc_intr_pipe != NULL) { 227 1.2.2.2 skrll usbd_abort_pipe(sc->sc_intr_pipe); 228 1.2.2.2 skrll usbd_close_pipe(sc->sc_intr_pipe); 229 1.2.2.2 skrll sc->sc_intr_pipe = NULL; 230 1.2.2.2 skrll } 231 1.2.2.2 skrll 232 1.2.2.2 skrll sc->sc_dying = 1; 233 1.2.2.2 skrll 234 1.2.2.2 skrll /* save current calib as defaults */ 235 1.2.2.2 skrll default_calib = sc->sc_tpcalib.sc_saved; 236 1.2.2.6 skrll 237 1.2.2.2 skrll if (sc->sc_wsmousedev != NULL) { 238 1.2.2.2 skrll rv = config_detach(sc->sc_wsmousedev, flags); 239 1.2.2.2 skrll sc->sc_wsmousedev = NULL; 240 1.2.2.2 skrll } 241 1.2.2.2 skrll 242 1.2.2.2 skrll usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 243 1.2.2.2 skrll USBDEV(sc->sc_dev)); 244 1.2.2.2 skrll 245 1.2.2.2 skrll return rv; 246 1.2.2.2 skrll } 247 1.2.2.2 skrll 248 1.2.2.2 skrll int 249 1.2.2.2 skrll uep_activate(device_ptr_t self, enum devact act) 250 1.2.2.2 skrll { 251 1.2.2.2 skrll struct uep_softc *sc = (struct uep_softc *)self; 252 1.2.2.2 skrll int rv = 0; 253 1.2.2.2 skrll 254 1.2.2.2 skrll switch (act) { 255 1.2.2.2 skrll case DVACT_ACTIVATE: 256 1.2.2.2 skrll return EOPNOTSUPP; 257 1.2.2.2 skrll 258 1.2.2.2 skrll case DVACT_DEACTIVATE: 259 1.2.2.2 skrll if (sc->sc_wsmousedev != NULL) 260 1.2.2.2 skrll rv = config_deactivate(sc->sc_wsmousedev); 261 1.2.2.2 skrll sc->sc_dying = 1; 262 1.2.2.2 skrll break; 263 1.2.2.2 skrll } 264 1.2.2.2 skrll 265 1.2.2.2 skrll return rv; 266 1.2.2.2 skrll } 267 1.2.2.2 skrll 268 1.2.2.2 skrll Static int 269 1.2.2.2 skrll uep_enable(void *v) 270 1.2.2.2 skrll { 271 1.2.2.2 skrll struct uep_softc *sc = v; 272 1.2.2.2 skrll int err; 273 1.2.2.2 skrll 274 1.2.2.2 skrll if (sc->sc_dying) 275 1.2.2.2 skrll return EIO; 276 1.2.2.2 skrll 277 1.2.2.2 skrll if (sc->sc_enabled) 278 1.2.2.2 skrll return EBUSY; 279 1.2.2.2 skrll 280 1.2.2.2 skrll if (sc->sc_isize == 0) 281 1.2.2.2 skrll return 0; 282 1.2.2.2 skrll sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 283 1.2.2.2 skrll err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_intr_number, 284 1.2.2.2 skrll USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, sc->sc_ibuf, 285 1.2.2.2 skrll sc->sc_isize, uep_intr, USBD_DEFAULT_INTERVAL); 286 1.2.2.2 skrll if (err) { 287 1.2.2.2 skrll free(sc->sc_ibuf, M_USBDEV); 288 1.2.2.2 skrll sc->sc_intr_pipe = NULL; 289 1.2.2.2 skrll return EIO; 290 1.2.2.2 skrll } 291 1.2.2.2 skrll 292 1.2.2.2 skrll sc->sc_enabled = 1; 293 1.2.2.2 skrll 294 1.2.2.2 skrll return 0; 295 1.2.2.2 skrll } 296 1.2.2.2 skrll 297 1.2.2.2 skrll Static void 298 1.2.2.2 skrll uep_disable(void *v) 299 1.2.2.2 skrll { 300 1.2.2.2 skrll struct uep_softc *sc = v; 301 1.2.2.2 skrll 302 1.2.2.2 skrll if (!sc->sc_enabled) { 303 1.2.2.2 skrll printf("uep_disable: already disabled!\n"); 304 1.2.2.2 skrll return; 305 1.2.2.2 skrll } 306 1.2.2.2 skrll 307 1.2.2.2 skrll /* Disable interrupts. */ 308 1.2.2.2 skrll if (sc->sc_intr_pipe != NULL) { 309 1.2.2.2 skrll usbd_abort_pipe(sc->sc_intr_pipe); 310 1.2.2.2 skrll usbd_close_pipe(sc->sc_intr_pipe); 311 1.2.2.2 skrll sc->sc_intr_pipe = NULL; 312 1.2.2.2 skrll } 313 1.2.2.2 skrll 314 1.2.2.2 skrll if (sc->sc_ibuf != NULL) { 315 1.2.2.2 skrll free(sc->sc_ibuf, M_USBDEV); 316 1.2.2.2 skrll sc->sc_ibuf = NULL; 317 1.2.2.2 skrll } 318 1.2.2.2 skrll 319 1.2.2.2 skrll sc->sc_enabled = 0; 320 1.2.2.2 skrll } 321 1.2.2.2 skrll 322 1.2.2.2 skrll Static int 323 1.2.2.5 skrll uep_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct lwp *l) 324 1.2.2.2 skrll { 325 1.2.2.2 skrll struct uep_softc *sc = v; 326 1.2.2.2 skrll struct wsmouse_id *id; 327 1.2.2.2 skrll 328 1.2.2.2 skrll switch (cmd) { 329 1.2.2.2 skrll case WSMOUSEIO_GTYPE: 330 1.2.2.2 skrll *(u_int *)data = WSMOUSE_TYPE_TPANEL; 331 1.2.2.2 skrll return 0; 332 1.2.2.2 skrll 333 1.2.2.2 skrll case WSMOUSEIO_GETID: 334 1.2.2.2 skrll /* 335 1.2.2.2 skrll * return unique ID string 336 1.2.2.2 skrll * "<vendor> <model> <serial number>" 337 1.2.2.2 skrll * unfortunately we have no serial number... 338 1.2.2.2 skrll */ 339 1.2.2.2 skrll id = (struct wsmouse_id *)data; 340 1.2.2.2 skrll if (id->type != WSMOUSE_ID_TYPE_UIDSTR) 341 1.2.2.2 skrll return EINVAL; 342 1.2.2.6 skrll 343 1.2.2.2 skrll strcpy(id->data, UIDSTR); 344 1.2.2.2 skrll id->length = strlen(UIDSTR); 345 1.2.2.2 skrll return 0; 346 1.2.2.2 skrll 347 1.2.2.2 skrll case WSMOUSEIO_SCALIBCOORDS: 348 1.2.2.2 skrll case WSMOUSEIO_GCALIBCOORDS: 349 1.2.2.5 skrll return tpcalib_ioctl(&sc->sc_tpcalib, cmd, data, flag, l); 350 1.2.2.2 skrll } 351 1.2.2.2 skrll 352 1.2.2.2 skrll return EPASSTHROUGH; 353 1.2.2.2 skrll } 354 1.2.2.2 skrll 355 1.2.2.2 skrll void 356 1.2.2.2 skrll uep_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 357 1.2.2.2 skrll { 358 1.2.2.2 skrll struct uep_softc *sc = addr; 359 1.2.2.2 skrll u_char *p = sc->sc_ibuf; 360 1.2.2.2 skrll u_int32_t len; 361 1.2.2.2 skrll int x = 0, y = 0, s; 362 1.2.2.2 skrll 363 1.2.2.2 skrll usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 364 1.2.2.2 skrll 365 1.2.2.2 skrll if (status == USBD_CANCELLED) 366 1.2.2.2 skrll return; 367 1.2.2.2 skrll 368 1.2.2.2 skrll if (status != USBD_NORMAL_COMPLETION) { 369 1.2.2.2 skrll printf("%s: status %d\n", USBDEVNAME(sc->sc_dev), status); 370 1.2.2.2 skrll usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); 371 1.2.2.2 skrll return; 372 1.2.2.2 skrll } 373 1.2.2.2 skrll 374 1.2.2.2 skrll if (len != 5) { 375 1.2.2.2 skrll #if 0 376 1.2.2.2 skrll printf("%s: bad input length %d != %d\n", 377 1.2.2.2 skrll USBDEVNAME(sc->sc_dev), len, sc->sc_isize); 378 1.2.2.2 skrll #endif 379 1.2.2.2 skrll return; 380 1.2.2.2 skrll } 381 1.2.2.2 skrll 382 1.2.2.2 skrll if ((p[0] & 0xFE) != 0x80) { 383 1.2.2.2 skrll printf("%s: bad input packet format\n", USBDEVNAME(sc->sc_dev)); 384 1.2.2.2 skrll return; 385 1.2.2.2 skrll } 386 1.2.2.2 skrll 387 1.2.2.2 skrll if (sc->sc_wsmousedev != NULL) { 388 1.2.2.2 skrll /* 389 1.2.2.2 skrll * Packet format is 5 bytes: 390 1.2.2.2 skrll * 391 1.2.2.2 skrll * 1000000T 392 1.2.2.2 skrll * 0000AAAA 393 1.2.2.2 skrll * 0AAAAAAA 394 1.2.2.2 skrll * 0000BBBB 395 1.2.2.2 skrll * 0BBBBBBB 396 1.2.2.2 skrll * 397 1.2.2.6 skrll * T: 1=touched 0=not touched 398 1.2.2.2 skrll * A: bits of axis A position, MSB to LSB 399 1.2.2.2 skrll * B: bits of axis B position, MSB to LSB 400 1.2.2.2 skrll * 401 1.2.2.2 skrll * For the unit I have, A = Y and B = X. 402 1.2.2.2 skrll * I don't know if units exist with A=X and B=Y, 403 1.2.2.2 skrll * if so we'll cross that bridge when we come to it. 404 1.2.2.2 skrll * 405 1.2.2.2 skrll * The controller sends a stream of T=1 events while the 406 1.2.2.2 skrll * panel is touched, followed by a single T=0 event. 407 1.2.2.6 skrll * 408 1.2.2.2 skrll */ 409 1.2.2.2 skrll 410 1.2.2.2 skrll x = (p[3] << 7) | p[4]; 411 1.2.2.2 skrll y = (p[1] << 7) | p[2]; 412 1.2.2.6 skrll 413 1.2.2.2 skrll tpcalib_trans(&sc->sc_tpcalib, x, y, &x, &y); 414 1.2.2.2 skrll 415 1.2.2.2 skrll s = spltty(); 416 1.2.2.2 skrll wsmouse_input(sc->sc_wsmousedev, p[0] & 0x01, x, y, 0, 417 1.2.2.2 skrll WSMOUSE_INPUT_ABSOLUTE_X | WSMOUSE_INPUT_ABSOLUTE_Y); 418 1.2.2.2 skrll splx(s); 419 1.2.2.2 skrll } 420 1.2.2.2 skrll } 421
Indexes created Tue Oct 07 21:09:53 GMT 2025