btms.c revision 1.2
1 /* $NetBSD: btms.c,v 1.2 2006/10/12 01:30:55 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 Itronix Inc. 5 * All rights reserved. 6 * 7 * Written by Iain Hibbert for Itronix Inc. 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 * 3. The name of Itronix Inc. may not be used to endorse 18 * or promote products derived from this software without specific 19 * prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 28 * ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * based on dev/usb/ums.c 36 */ 37 38 #include <sys/cdefs.h> 39 __KERNEL_RCSID(0, "$NetBSD: btms.c,v 1.2 2006/10/12 01:30:55 christos Exp $"); 40 41 #include <sys/param.h> 42 #include <sys/conf.h> 43 #include <sys/device.h> 44 #include <sys/proc.h> 45 #include <sys/systm.h> 46 47 #include <netbt/bluetooth.h> 48 49 #include <dev/bluetooth/bthid.h> 50 #include <dev/bluetooth/bthidev.h> 51 52 #include <dev/usb/hid.h> 53 #include <dev/usb/usb.h> 54 #include <dev/usb/usbhid.h> 55 56 #include <dev/wscons/wsconsio.h> 57 #include <dev/wscons/wsmousevar.h> 58 59 #define MAX_BUTTONS 31 60 #define BUTTON(n) (1 << (((n) == 1 || (n) == 2) ? 3 - (n) : (n))) 61 #define NOTMOUSE(f) (((f) & (HIO_CONST | HIO_RELATIVE)) != HIO_RELATIVE) 62 63 struct btms_softc { 64 struct bthidev sc_hidev; /* device+ */ 65 66 struct device *sc_wsmouse; /* child */ 67 int sc_enabled; 68 uint16_t sc_flags; 69 70 /* locators */ 71 struct hid_location sc_loc_x; 72 struct hid_location sc_loc_y; 73 struct hid_location sc_loc_z; 74 struct hid_location sc_loc_w; 75 struct hid_location sc_loc_button[MAX_BUTTONS]; 76 77 int sc_num_buttons; 78 uint32_t sc_buttons; 79 }; 80 81 /* sc_flags */ 82 #define BTMS_REVZ (1 << 0) /* reverse Z direction */ 83 #define BTMS_HASZ (1 << 1) /* has Z direction */ 84 85 /* autoconf(9) methods */ 86 static int btms_match(struct device *, struct cfdata *, void *); 87 static void btms_attach(struct device *, struct device *, void *); 88 static int btms_detach(struct device *, int); 89 90 CFATTACH_DECL(btms, sizeof(struct btms_softc), 91 btms_match, btms_attach, btms_detach, NULL); 92 93 /* wsmouse(4) accessops */ 94 static int btms_wsmouse_enable(void *); 95 static int btms_wsmouse_ioctl(void *, unsigned long, caddr_t, int, struct lwp *); 96 static void btms_wsmouse_disable(void *); 97 98 static const struct wsmouse_accessops btms_wsmouse_accessops = { 99 btms_wsmouse_enable, 100 btms_wsmouse_ioctl, 101 btms_wsmouse_disable, 102 }; 103 104 /* bthid methods */ 105 static void btms_input(struct bthidev *, uint8_t *, int); 106 107 /***************************************************************************** 108 * 109 * btms autoconf(9) routines 110 */ 111 112 static int 113 btms_match(struct device *parent __unused, struct cfdata *match __unused, 114 void *aux) 115 { 116 struct bthidev_attach_args *ba = aux; 117 118 if (hid_is_collection(ba->ba_desc, ba->ba_dlen, ba->ba_id, 119 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_MOUSE))) 120 return 1; 121 122 return 0; 123 } 124 125 static void 126 btms_attach(struct device *parent __unused, struct device *self, void *aux) 127 { 128 struct btms_softc *sc = (struct btms_softc *)self; 129 struct bthidev_attach_args *ba = aux; 130 struct wsmousedev_attach_args wsma; 131 struct hid_location *zloc; 132 uint32_t flags; 133 int i, hl; 134 135 ba->ba_input = btms_input; 136 137 /* control the horizontal */ 138 hl = hid_locate(ba->ba_desc, 139 ba->ba_dlen, 140 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X), 141 ba->ba_id, 142 hid_input, 143 &sc->sc_loc_x, 144 &flags); 145 146 if (hl == 0 || NOTMOUSE(flags)) { 147 printf("\n%s: X report 0x%04x not supported\n", 148 sc->sc_hidev.sc_dev.dv_xname, flags); 149 150 return; 151 } 152 153 /* control the vertical */ 154 hl = hid_locate(ba->ba_desc, 155 ba->ba_dlen, 156 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y), 157 ba->ba_id, 158 hid_input, 159 &sc->sc_loc_y, 160 &flags); 161 162 if (hl == 0 || NOTMOUSE(flags)) { 163 printf("\n%s: Y report 0x%04x not supported\n", 164 sc->sc_hidev.sc_dev.dv_xname, flags); 165 166 return; 167 } 168 169 /* Try the wheel first as the Z activator since it's tradition. */ 170 hl = hid_locate(ba->ba_desc, 171 ba->ba_dlen, 172 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_WHEEL), 173 ba->ba_id, 174 hid_input, 175 &sc->sc_loc_z, 176 &flags); 177 178 zloc = &sc->sc_loc_z; 179 if (hl) { 180 if (NOTMOUSE(flags)) { 181 printf("\n%s: Wheel report 0x%04x not supported\n", 182 sc->sc_hidev.sc_dev.dv_xname, flags); 183 184 /* ignore Bad Z coord */ 185 sc->sc_loc_z.size = 0; 186 } else { 187 sc->sc_flags |= BTMS_HASZ; 188 /* Wheels need the Z axis reversed. */ 189 sc->sc_flags ^= BTMS_REVZ; 190 /* Put Z on the W coordinate */ 191 zloc = &sc->sc_loc_w; 192 } 193 } 194 195 hl = hid_locate(ba->ba_desc, 196 ba->ba_dlen, 197 HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Z), 198 ba->ba_id, 199 hid_input, 200 zloc, 201 &flags); 202 203 if (hl) { 204 if (NOTMOUSE(flags)) 205 zloc->size = 0; /* ignore Z */ 206 else 207 sc->sc_flags |= BTMS_HASZ; 208 } 209 210 for (i = 1 ; i <= MAX_BUTTONS ; i++) { 211 hl = hid_locate(ba->ba_desc, 212 ba->ba_dlen, 213 HID_USAGE2(HUP_BUTTON, i), 214 ba->ba_id, 215 hid_input, 216 &sc->sc_loc_button[i - 1], 217 NULL); 218 219 if (hl == 0) 220 break; 221 } 222 sc->sc_num_buttons = i - 1; 223 224 aprint_normal(": %d button%s%s.\n", 225 sc->sc_num_buttons, 226 sc->sc_num_buttons == 1 ? "" : "s", 227 sc->sc_flags & BTMS_HASZ ? " and Z dir" : ""); 228 229 wsma.accessops = &btms_wsmouse_accessops; 230 wsma.accesscookie = sc; 231 232 sc->sc_wsmouse = config_found((struct device *)sc, &wsma, wsmousedevprint); 233 } 234 235 static int 236 btms_detach(struct device *self, int flags) 237 { 238 struct btms_softc *sc = (struct btms_softc *)self; 239 int err = 0; 240 241 if (sc->sc_wsmouse != NULL) { 242 err = config_detach(sc->sc_wsmouse, flags); 243 sc->sc_wsmouse = NULL; 244 } 245 246 return err; 247 } 248 249 /***************************************************************************** 250 * 251 * wsmouse(4) accessops 252 */ 253 254 static int 255 btms_wsmouse_enable(void *self) 256 { 257 struct btms_softc *sc = (struct btms_softc *)self; 258 259 if (sc->sc_enabled) 260 return EBUSY; 261 262 sc->sc_enabled = 1; 263 return 0; 264 } 265 266 static int 267 btms_wsmouse_ioctl(void *self __unused, unsigned long cmd, caddr_t data, 268 int flag __unused, struct lwp *l __unused) 269 { 270 /* struct btms_softc *sc = (struct btms_softc *)self; */ 271 272 switch (cmd) { 273 case WSMOUSEIO_GTYPE: 274 *(uint *)data = WSMOUSE_TYPE_BLUETOOTH; 275 break; 276 277 default: 278 return EPASSTHROUGH; 279 } 280 281 return 0; 282 } 283 284 static void 285 btms_wsmouse_disable(void *self) 286 { 287 struct btms_softc *sc = (struct btms_softc *)self; 288 289 sc->sc_enabled = 0; 290 } 291 292 /***************************************************************************** 293 * 294 * btms input routine, called from our parent 295 */ 296 297 static void 298 btms_input(struct bthidev *self, uint8_t *data, int len __unused) 299 { 300 struct btms_softc *sc = (struct btms_softc *)self; 301 int dx, dy, dz, dw; 302 uint32_t buttons; 303 int i, s; 304 305 if (sc->sc_wsmouse == NULL || sc->sc_enabled == 0) 306 return; 307 308 dx = hid_get_data(data, &sc->sc_loc_x); 309 dy = -hid_get_data(data, &sc->sc_loc_y); 310 dz = hid_get_data(data, &sc->sc_loc_z); 311 dw = hid_get_data(data, &sc->sc_loc_w); 312 313 if (sc->sc_flags & BTMS_REVZ) 314 dz = -dz; 315 316 buttons = 0; 317 for (i = 0 ; i < sc->sc_num_buttons ; i++) 318 if (hid_get_data(data, &sc->sc_loc_button[i])) 319 buttons |= BUTTON(i); 320 321 if (dx != 0 || dy != 0 || dz != 0 || dw != 0 || buttons != sc->sc_buttons) { 322 sc->sc_buttons = buttons; 323 324 s = spltty(); 325 wsmouse_input_xyzw(sc->sc_wsmouse, buttons, 326 dx, dy, dz, dw, 327 WSMOUSE_INPUT_DELTA); 328 splx(s); 329 } 330 } 331
Indexes created Fri Sep 26 20:09:58 GMT 2025