ums.c revision 1.4
1 /* $NetBSD: ums.c,v 1.4 1998/07/27 18:51:32 augustss Exp $ */ 2 3 /* 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Author: Lennart Augustsson <augustss (at) carlstedt.se> 8 * Carlstedt Research & Technology 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/kernel.h> 43 #include <sys/malloc.h> 44 #include <sys/device.h> 45 #include <sys/ioctl.h> 46 #include <sys/tty.h> 47 #include <sys/file.h> 48 #include <sys/select.h> 49 #include <sys/proc.h> 50 #include <sys/vnode.h> 51 #include <sys/device.h> 52 #include <sys/poll.h> 53 54 #include <machine/mouse.h> 55 56 #include <dev/usb/usb.h> 57 #include <dev/usb/usbhid.h> 58 59 #include <dev/usb/usbdi.h> 60 #include <dev/usb/usbdi_util.h> 61 #include <dev/usb/usbdevs.h> 62 #include <dev/usb/usb_quirks.h> 63 #include <dev/usb/hid.h> 64 65 #include <dev/wscons/wsconsio.h> 66 #include <dev/wscons/wsmousevar.h> 67 68 #ifdef USB_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 PS2LBUTMASK 0x01 78 #define PS2RBUTMASK 0x02 79 #define PS2MBUTMASK 0x04 80 #define PS2BUTMASK 0x0f 81 82 struct ums_softc { 83 struct device sc_dev; /* base device */ 84 usbd_interface_handle sc_iface; /* interface */ 85 usbd_pipe_handle sc_intrpipe; /* interrupt pipe */ 86 int sc_ep_addr; 87 88 u_char *sc_ibuf; 89 u_int8_t sc_iid; 90 int sc_isize; 91 struct hid_location sc_loc_x, sc_loc_y, 92 sc_loc_btn1, sc_loc_btn2, sc_loc_btn3; 93 94 u_char sc_state; /* mouse driver state */ 95 #define UMS_NEEDCLEAR 0x04 /* needs clearing endpoint stall */ 96 u_char sc_buttons; /* mouse button status */ 97 int sc_disconnected; /* device is gone */ 98 99 int sc_enabled; 100 struct device *sc_wsmousedev; 101 }; 102 103 #define MOUSE_FLAGS_MASK (HIO_CONST|HIO_RELATIVE) 104 #define MOUSE_FLAGS (HIO_RELATIVE) 105 106 int ums_match __P((struct device *, struct cfdata *, void *)); 107 void ums_attach __P((struct device *, struct device *, void *)); 108 109 void ums_intr __P((usbd_request_handle, usbd_private_handle, usbd_status)); 110 void ums_disco __P((void *)); 111 112 int ums_enable __P((void *)); 113 int ums_ioctl __P((void *, u_long, caddr_t, int, struct proc *)); 114 void ums_disable __P((void *)); 115 116 const struct wsmouse_accessops ums_accessops = { 117 ums_enable, 118 ums_ioctl, 119 ums_disable, 120 }; 121 122 extern struct cfdriver ums_cd; 123 124 struct cfattach ums_ca = { 125 sizeof(struct ums_softc), ums_match, ums_attach 126 }; 127 128 int 129 ums_match(parent, match, aux) 130 struct device *parent; 131 struct cfdata *match; 132 void *aux; 133 { 134 struct usb_attach_arg *uaa = aux; 135 usb_interface_descriptor_t *id; 136 int size, ret; 137 void *desc; 138 usbd_status r; 139 140 if (!uaa->iface) 141 return (UMATCH_NONE); 142 id = usbd_get_interface_descriptor(uaa->iface); 143 if (id->bInterfaceClass != UCLASS_HID) 144 return (UMATCH_NONE); 145 146 r = usbd_alloc_report_desc(uaa->iface, &desc, &size, M_TEMP); 147 if (r != USBD_NORMAL_COMPLETION) 148 return (UMATCH_NONE); 149 150 if (hid_is_collection(desc, size, 151 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_MOUSE))) 152 ret = UMATCH_IFACECLASS; 153 else 154 ret = UMATCH_NONE; 155 156 free(desc, M_TEMP); 157 return (ret); 158 } 159 160 void 161 ums_attach(parent, self, aux) 162 struct device *parent; 163 struct device *self; 164 void *aux; 165 { 166 struct ums_softc *sc = (struct ums_softc *)self; 167 struct usb_attach_arg *uaa = aux; 168 usbd_interface_handle iface = uaa->iface; 169 usb_interface_descriptor_t *id; 170 usb_endpoint_descriptor_t *ed; 171 struct wsmousedev_attach_args a; 172 int size; 173 void *desc; 174 usbd_status r; 175 char devinfo[1024]; 176 u_int32_t flags; 177 178 sc->sc_disconnected = 1; 179 sc->sc_iface = iface; 180 id = usbd_get_interface_descriptor(iface); 181 usbd_devinfo(uaa->device, 0, devinfo); 182 printf(": %s (interface class %d/%d)\n", devinfo, 183 id->bInterfaceClass, id->bInterfaceSubClass); 184 ed = usbd_interface2endpoint_descriptor(iface, 0); 185 if (!ed) { 186 printf("%s: could not read endpoint descriptor\n", 187 sc->sc_dev.dv_xname); 188 return; 189 } 190 191 DPRINTFN(10,("ums_attach: \ 192 bLength=%d bDescriptorType=%d bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d bInterval=%d\n", 193 ed->bLength, ed->bDescriptorType, ed->bEndpointAddress & UE_ADDR, 194 ed->bEndpointAddress & UE_IN ? "in" : "out", 195 ed->bmAttributes & UE_XFERTYPE, 196 UGETW(ed->wMaxPacketSize), ed->bInterval)); 197 198 if ((ed->bEndpointAddress & UE_IN) != UE_IN || 199 (ed->bmAttributes & UE_XFERTYPE) != UE_INTERRUPT) { 200 printf("%s: unexpected endpoint\n", 201 sc->sc_dev.dv_xname); 202 return; 203 } 204 205 r = usbd_alloc_report_desc(uaa->iface, &desc, &size, M_TEMP); 206 if (r != USBD_NORMAL_COMPLETION) 207 return; 208 if (!hid_locate(desc, size, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X), 209 hid_input, &sc->sc_loc_x, &flags)) { 210 printf("%s: mouse has no X report\n", sc->sc_dev.dv_xname); 211 return; 212 } 213 if ((flags & MOUSE_FLAGS_MASK) != MOUSE_FLAGS) 214 printf("%s: sorry, X report 0x%04x not supported yet\n", 215 sc->sc_dev.dv_xname, flags); 216 if (!hid_locate(desc, size, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y), 217 hid_input, &sc->sc_loc_y, &flags)) { 218 printf("%s: mouse has no Y report\n", sc->sc_dev.dv_xname); 219 return; 220 } 221 if ((flags & MOUSE_FLAGS_MASK) != MOUSE_FLAGS) 222 printf("%s: sorry, Y report 0x%04x not supported yet\n", 223 sc->sc_dev.dv_xname, flags); 224 hid_locate(desc, size, HID_USAGE2(HUP_BUTTON, 1), /* left */ 225 hid_input, &sc->sc_loc_btn1, 0); 226 hid_locate(desc, size, HID_USAGE2(HUP_BUTTON, 2), /* right */ 227 hid_input, &sc->sc_loc_btn2, 0); 228 hid_locate(desc, size, HID_USAGE2(HUP_BUTTON, 3), /* middle */ 229 hid_input, &sc->sc_loc_btn3, 0); 230 DPRINTF(("ums_attach: sc=%p\n", sc)); 231 DPRINTF(("ums_attach: X %d/%d\n", 232 sc->sc_loc_x.pos, sc->sc_loc_x.size)); 233 DPRINTF(("ums_attach: Y %d/%d\n", 234 sc->sc_loc_x.pos, sc->sc_loc_x.size)); 235 DPRINTF(("ums_attach: B1 %d/%d\n", 236 sc->sc_loc_btn1.pos,sc->sc_loc_btn1.size)); 237 DPRINTF(("ums_attach: B2 %d/%d\n", 238 sc->sc_loc_btn2.pos,sc->sc_loc_btn2.size)); 239 DPRINTF(("ums_attach: B3 %d/%d\n", 240 sc->sc_loc_btn3.pos,sc->sc_loc_btn3.size)); 241 242 sc->sc_isize = hid_report_size(desc, size, hid_input, &sc->sc_iid); 243 DPRINTF(("ums_attach: size=%d, id=%d\n", sc->sc_isize, sc->sc_iid)); 244 sc->sc_ibuf = malloc(sc->sc_isize, M_USB, M_NOWAIT); 245 if (!sc->sc_ibuf) 246 return; 247 248 sc->sc_ep_addr = ed->bEndpointAddress; 249 sc->sc_disconnected = 0; 250 free(desc, M_TEMP); 251 252 a.accessops = &ums_accessops; 253 a.accesscookie = sc; 254 255 sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint); 256 } 257 258 void 259 ums_disco(p) 260 void *p; 261 { 262 struct ums_softc *sc = p; 263 sc->sc_disconnected = 1; 264 } 265 266 void 267 ums_intr(reqh, addr, status) 268 usbd_request_handle reqh; 269 usbd_private_handle addr; 270 usbd_status status; 271 { 272 struct ums_softc *sc = addr; 273 u_char *ibuf; 274 char dx, dy; 275 u_char buttons; 276 277 DPRINTFN(5, ("ums_intr: sc=%p status=%d\n", sc, status)); 278 DPRINTFN(5, ("ums_intr: data = %02x %02x %02x\n", 279 sc->sc_ibuf[0], sc->sc_ibuf[1], sc->sc_ibuf[2])); 280 281 if (status == USBD_CANCELLED) 282 return; 283 284 if (status != USBD_NORMAL_COMPLETION) { 285 DPRINTF(("ums_intr: status=%d\n", status)); 286 sc->sc_state |= UMS_NEEDCLEAR; 287 return; 288 } 289 290 ibuf = sc->sc_ibuf; 291 if (sc->sc_iid) { 292 if (*ibuf++ != sc->sc_iid) 293 return; 294 } 295 dx = hid_get_data(ibuf, &sc->sc_loc_x); 296 dy = -hid_get_data(ibuf, &sc->sc_loc_y); 297 buttons = 0; 298 if (hid_get_data(ibuf, &sc->sc_loc_btn1)) buttons |= 1 << 0; 299 if (hid_get_data(ibuf, &sc->sc_loc_btn2)) buttons |= 1 << 2; 300 if (hid_get_data(ibuf, &sc->sc_loc_btn3)) buttons |= 1 << 1; 301 302 if (dx || dy || buttons != sc->sc_buttons) { 303 sc->sc_buttons = buttons; 304 if (sc->sc_wsmousedev) 305 wsmouse_input(sc->sc_wsmousedev, buttons, dx, dy); 306 } 307 } 308 309 /* wscons routines */ 310 int 311 ums_enable(v) 312 void *v; 313 { 314 struct ums_softc *sc = v; 315 usbd_status r; 316 317 if (sc->sc_enabled) 318 return EBUSY; 319 320 sc->sc_enabled = 1; 321 sc->sc_buttons = 0; 322 323 /* Set up interrupt pipe. */ 324 r = usbd_open_pipe_intr(sc->sc_iface, sc->sc_ep_addr, 325 USBD_SHORT_XFER_OK, &sc->sc_intrpipe, sc, 326 sc->sc_ibuf, sc->sc_isize, ums_intr); 327 if (r != USBD_NORMAL_COMPLETION) { 328 DPRINTF(("ums_enable: usbd_open_pipe_intr failed, error=%d\n", 329 r)); 330 sc->sc_enabled = 0; 331 return (EIO); 332 } 333 usbd_set_disco(sc->sc_intrpipe, ums_disco, sc); 334 return (0); 335 } 336 337 void 338 ums_disable(v) 339 void *v; 340 { 341 struct ums_softc *sc = v; 342 343 /* Disable interrupts. */ 344 usbd_abort_pipe(sc->sc_intrpipe); 345 usbd_close_pipe(sc->sc_intrpipe); 346 347 sc->sc_enabled = 0; 348 } 349 350 int 351 ums_ioctl(v, cmd, data, flag, p) 352 void *v; 353 u_long cmd; 354 caddr_t data; 355 int flag; 356 struct proc *p; 357 { 358 #if 0 359 struct ums_softc *sc = v; 360 #endif 361 362 switch (cmd) { 363 case WSMOUSEIO_GTYPE: 364 *(u_int *)data = WSMOUSE_TYPE_PS2; 365 return (0); 366 } 367 return (-1); 368 } 369 370
Indexes created Mon Sep 29 03:10:08 GMT 2025