/* $NetBSD: btms.c,v 1.9 2009/05/12 12:10:46 cegger Exp $ */ /* * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Lennart Augustsson (lennart@augustsson.net) at * Carlstedt Research & Technology. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /*- * Copyright (c) 2006 Itronix Inc. * All rights reserved. * * Written by Iain Hibbert for Itronix Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of Itronix Inc. may not be used to endorse * or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * based on dev/usb/ums.c */ #include __KERNEL_RCSID(0, "$NetBSD: btms.c,v 1.9 2009/05/12 12:10:46 cegger Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #define MAX_BUTTONS 31 #define BUTTON(n) (1 << (((n) == 1 || (n) == 2) ? 3 - (n) : (n))) #define NOTMOUSE(f) (((f) & (HIO_CONST | HIO_RELATIVE)) != HIO_RELATIVE) struct btms_softc { struct bthidev sc_hidev; /* device+ */ device_t sc_wsmouse; /* child */ int sc_enabled; uint16_t sc_flags; /* locators */ struct hid_location sc_loc_x; struct hid_location sc_loc_y; struct hid_location sc_loc_z; struct hid_location sc_loc_w; struct hid_location sc_loc_button[MAX_BUTTONS]; int sc_num_buttons; uint32_t sc_buttons; }; /* sc_flags */ #define BTMS_REVZ (1 << 0) /* reverse Z direction */ #define BTMS_HASZ (1 << 1) /* has Z direction */ #define BTMS_HASW (1 << 2) /* has W direction */ /* autoconf(9) methods */ static int btms_match(device_t, cfdata_t, void *); static void btms_attach(device_t, device_t, void *); static int btms_detach(device_t, int); CFATTACH_DECL_NEW(btms, sizeof(struct btms_softc), btms_match, btms_attach, btms_detach, NULL); /* wsmouse(4) accessops */ static int btms_wsmouse_enable(void *); static int btms_wsmouse_ioctl(void *, unsigned long, void *, int, struct lwp *); static void btms_wsmouse_disable(void *); static const struct wsmouse_accessops btms_wsmouse_accessops = { btms_wsmouse_enable, btms_wsmouse_ioctl, btms_wsmouse_disable, }; /* bthid methods */ static void btms_input(struct bthidev *, uint8_t *, int); /***************************************************************************** * * btms autoconf(9) routines */ static int btms_match(device_t parent, cfdata_t match, void *aux) { struct bthidev_attach_args *ba = aux; if (hid_is_collection(ba->ba_desc, ba->ba_dlen, ba->ba_id, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_MOUSE))) return 1; return 0; } static void btms_attach(device_t parent, device_t self, void *aux) { struct btms_softc *sc = device_private(self); struct bthidev_attach_args *ba = aux; struct wsmousedev_attach_args wsma; struct hid_location *zloc; uint32_t flags; int i, hl; ba->ba_input = btms_input; /* control the horizontal */ hl = hid_locate(ba->ba_desc, ba->ba_dlen, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X), ba->ba_id, hid_input, &sc->sc_loc_x, &flags); if (hl == 0 || NOTMOUSE(flags)) { aprint_error("X report 0x%04x not supported\n", flags); return; } /* control the vertical */ hl = hid_locate(ba->ba_desc, ba->ba_dlen, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y), ba->ba_id, hid_input, &sc->sc_loc_y, &flags); if (hl == 0 || NOTMOUSE(flags)) { aprint_error("Y report 0x%04x not supported\n", flags); return; } /* Try the wheel first as the Z activator since it's tradition. */ hl = hid_locate(ba->ba_desc, ba->ba_dlen, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_WHEEL), ba->ba_id, hid_input, &sc->sc_loc_z, &flags); zloc = &sc->sc_loc_z; if (hl) { if (NOTMOUSE(flags)) { aprint_error("Wheel report 0x%04x ignored\n", flags); /* ignore Bad Z coord */ sc->sc_loc_z.size = 0; } else { sc->sc_flags |= BTMS_HASZ; /* Wheels need the Z axis reversed. */ sc->sc_flags ^= BTMS_REVZ; /* Put Z on the W coordinate */ zloc = &sc->sc_loc_w; } } hl = hid_locate(ba->ba_desc, ba->ba_dlen, HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Z), ba->ba_id, hid_input, zloc, &flags); /* * The horizontal component of the scrollball can also be given by * Application Control Pan in the Consumer page, so if we didnt see * any Z then check that. */ if (!hl) { hl = hid_locate(ba->ba_desc, ba->ba_dlen, HID_USAGE2(HUP_CONSUMER, HUC_AC_PAN), ba->ba_id, hid_input, zloc, &flags); } if (hl) { if (NOTMOUSE(flags)) zloc->size = 0; /* ignore Z */ else { if (sc->sc_flags & BTMS_HASZ) sc->sc_flags |= BTMS_HASW; else sc->sc_flags |= BTMS_HASZ; } } for (i = 1 ; i <= MAX_BUTTONS ; i++) { hl = hid_locate(ba->ba_desc, ba->ba_dlen, HID_USAGE2(HUP_BUTTON, i), ba->ba_id, hid_input, &sc->sc_loc_button[i - 1], NULL); if (hl == 0) break; } sc->sc_num_buttons = i - 1; aprint_normal(": %d button%s%s%s%s.\n", sc->sc_num_buttons, sc->sc_num_buttons == 1 ? "" : "s", sc->sc_flags & BTMS_HASW ? ", W" : "", sc->sc_flags & BTMS_HASZ ? " and Z dir" : "", sc->sc_flags & BTMS_HASW ? "s" : ""); wsma.accessops = &btms_wsmouse_accessops; wsma.accesscookie = sc; sc->sc_wsmouse = config_found(self, &wsma, wsmousedevprint); } static int btms_detach(device_t self, int flags) { struct btms_softc *sc = device_private(self); int err = 0; if (sc->sc_wsmouse != NULL) { err = config_detach(sc->sc_wsmouse, flags); sc->sc_wsmouse = NULL; } return err; } /***************************************************************************** * * wsmouse(4) accessops */ static int btms_wsmouse_enable(void *self) { struct btms_softc *sc = self; if (sc->sc_enabled) return EBUSY; sc->sc_enabled = 1; return 0; } static int btms_wsmouse_ioctl(void *self, unsigned long cmd, void *data, int flag, struct lwp *l) { /* struct btms_softc *sc = self; */ switch (cmd) { case WSMOUSEIO_GTYPE: *(uint *)data = WSMOUSE_TYPE_BLUETOOTH; break; default: return EPASSTHROUGH; } return 0; } static void btms_wsmouse_disable(void *self) { struct btms_softc *sc = self; sc->sc_enabled = 0; } /***************************************************************************** * * btms input routine, called from our parent */ static void btms_input(struct bthidev *self, uint8_t *data, int len) { struct btms_softc *sc = (struct btms_softc *)self; int dx, dy, dz, dw; uint32_t buttons; int i, s; if (sc->sc_wsmouse == NULL || sc->sc_enabled == 0) return; dx = hid_get_data(data, &sc->sc_loc_x); dy = -hid_get_data(data, &sc->sc_loc_y); dz = hid_get_data(data, &sc->sc_loc_z); dw = hid_get_data(data, &sc->sc_loc_w); if (sc->sc_flags & BTMS_REVZ) dz = -dz; buttons = 0; for (i = 0 ; i < sc->sc_num_buttons ; i++) if (hid_get_data(data, &sc->sc_loc_button[i])) buttons |= BUTTON(i); if (dx != 0 || dy != 0 || dz != 0 || dw != 0 || buttons != sc->sc_buttons) { sc->sc_buttons = buttons; s = spltty(); wsmouse_input(sc->sc_wsmouse, buttons, dx, dy, dz, dw, WSMOUSE_INPUT_DELTA); splx(s); } }