381 lines
9.7 KiB
C
381 lines
9.7 KiB
C
/* $NetBSD: btms.c,v 1.11 2012/10/27 17:18:15 chs Exp $ */
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/*
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (lennart@augustsson.net) at
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* Carlstedt Research & Technology.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 2006 Itronix Inc.
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* All rights reserved.
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*
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* Written by Iain Hibbert for Itronix Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of Itronix Inc. may not be used to endorse
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* or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* based on dev/usb/ums.c
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: btms.c,v 1.11 2012/10/27 17:18:15 chs Exp $");
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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <sys/systm.h>
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#include <netbt/bluetooth.h>
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#include <dev/bluetooth/bthid.h>
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#include <dev/bluetooth/bthidev.h>
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#include <dev/usb/hid.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbhid.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wsmousevar.h>
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#define MAX_BUTTONS 31
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#define BUTTON(n) (1 << (((n) == 1 || (n) == 2) ? 3 - (n) : (n)))
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#define NOTMOUSE(f) (((f) & (HIO_CONST | HIO_RELATIVE)) != HIO_RELATIVE)
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struct btms_softc {
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struct bthidev sc_hidev; /* device+ */
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device_t sc_wsmouse; /* child */
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int sc_enabled;
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uint16_t sc_flags;
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/* locators */
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struct hid_location sc_loc_x;
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struct hid_location sc_loc_y;
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struct hid_location sc_loc_z;
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struct hid_location sc_loc_w;
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struct hid_location sc_loc_button[MAX_BUTTONS];
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int sc_num_buttons;
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uint32_t sc_buttons;
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};
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/* sc_flags */
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#define BTMS_REVZ (1 << 0) /* reverse Z direction */
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#define BTMS_HASZ (1 << 1) /* has Z direction */
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#define BTMS_HASW (1 << 2) /* has W direction */
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/* autoconf(9) methods */
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static int btms_match(device_t, cfdata_t, void *);
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static void btms_attach(device_t, device_t, void *);
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static int btms_detach(device_t, int);
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CFATTACH_DECL_NEW(btms, sizeof(struct btms_softc),
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btms_match, btms_attach, btms_detach, NULL);
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/* wsmouse(4) accessops */
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static int btms_wsmouse_enable(void *);
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static int btms_wsmouse_ioctl(void *, unsigned long, void *, int, struct lwp *);
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static void btms_wsmouse_disable(void *);
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static const struct wsmouse_accessops btms_wsmouse_accessops = {
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btms_wsmouse_enable,
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btms_wsmouse_ioctl,
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btms_wsmouse_disable,
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};
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/* bthid methods */
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static void btms_input(struct bthidev *, uint8_t *, int);
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/*****************************************************************************
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*
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* btms autoconf(9) routines
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*/
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static int
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btms_match(device_t parent, cfdata_t match, void *aux)
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{
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struct bthidev_attach_args *ba = aux;
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if (hid_is_collection(ba->ba_desc, ba->ba_dlen, ba->ba_id,
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HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_MOUSE)))
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return 1;
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return 0;
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}
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static void
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btms_attach(device_t parent, device_t self, void *aux)
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{
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struct btms_softc *sc = device_private(self);
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struct bthidev_attach_args *ba = aux;
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struct wsmousedev_attach_args wsma;
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struct hid_location *zloc;
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uint32_t flags;
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int i, hl;
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ba->ba_input = btms_input;
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/* control the horizontal */
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hl = hid_locate(ba->ba_desc,
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ba->ba_dlen,
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HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_X),
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ba->ba_id,
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hid_input,
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&sc->sc_loc_x,
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&flags);
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if (hl == 0 || NOTMOUSE(flags)) {
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aprint_error("X report 0x%04x not supported\n", flags);
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return;
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}
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/* control the vertical */
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hl = hid_locate(ba->ba_desc,
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ba->ba_dlen,
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HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Y),
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ba->ba_id,
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hid_input,
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&sc->sc_loc_y,
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&flags);
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if (hl == 0 || NOTMOUSE(flags)) {
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aprint_error("Y report 0x%04x not supported\n", flags);
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return;
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}
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/* Try the wheel first as the Z activator since it's tradition. */
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hl = hid_locate(ba->ba_desc,
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ba->ba_dlen,
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HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_WHEEL),
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ba->ba_id,
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hid_input,
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&sc->sc_loc_z,
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&flags);
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zloc = &sc->sc_loc_z;
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if (hl) {
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if (NOTMOUSE(flags)) {
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aprint_error("Wheel report 0x%04x ignored\n", flags);
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/* ignore Bad Z coord */
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sc->sc_loc_z.size = 0;
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} else {
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sc->sc_flags |= BTMS_HASZ;
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/* Wheels need the Z axis reversed. */
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sc->sc_flags ^= BTMS_REVZ;
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/* Put Z on the W coordinate */
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zloc = &sc->sc_loc_w;
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}
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}
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hl = hid_locate(ba->ba_desc,
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ba->ba_dlen,
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HID_USAGE2(HUP_GENERIC_DESKTOP, HUG_Z),
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ba->ba_id,
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hid_input,
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zloc,
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&flags);
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/*
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* The horizontal component of the scrollball can also be given by
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* Application Control Pan in the Consumer page, so if we didnt see
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* any Z then check that.
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*/
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if (!hl) {
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hl = hid_locate(ba->ba_desc,
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ba->ba_dlen,
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HID_USAGE2(HUP_CONSUMER, HUC_AC_PAN),
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ba->ba_id,
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hid_input,
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zloc,
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&flags);
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}
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if (hl) {
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if (NOTMOUSE(flags))
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zloc->size = 0; /* ignore Z */
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else {
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if (sc->sc_flags & BTMS_HASZ)
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sc->sc_flags |= BTMS_HASW;
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else
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sc->sc_flags |= BTMS_HASZ;
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}
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}
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for (i = 1 ; i <= MAX_BUTTONS ; i++) {
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hl = hid_locate(ba->ba_desc,
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ba->ba_dlen,
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HID_USAGE2(HUP_BUTTON, i),
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ba->ba_id,
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hid_input,
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&sc->sc_loc_button[i - 1],
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NULL);
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if (hl == 0)
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break;
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}
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sc->sc_num_buttons = i - 1;
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aprint_normal(": %d button%s%s%s%s.\n",
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sc->sc_num_buttons,
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sc->sc_num_buttons == 1 ? "" : "s",
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sc->sc_flags & BTMS_HASW ? ", W" : "",
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sc->sc_flags & BTMS_HASZ ? " and Z dir" : "",
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sc->sc_flags & BTMS_HASW ? "s" : "");
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wsma.accessops = &btms_wsmouse_accessops;
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wsma.accesscookie = sc;
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sc->sc_wsmouse = config_found(self, &wsma, wsmousedevprint);
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pmf_device_register(self, NULL, NULL);
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}
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static int
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btms_detach(device_t self, int flags)
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{
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struct btms_softc *sc = device_private(self);
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int err = 0;
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pmf_device_deregister(self);
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if (sc->sc_wsmouse != NULL) {
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err = config_detach(sc->sc_wsmouse, flags);
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sc->sc_wsmouse = NULL;
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}
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return err;
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}
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/*****************************************************************************
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*
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* wsmouse(4) accessops
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*/
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static int
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btms_wsmouse_enable(void *cookie)
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{
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struct btms_softc *sc = cookie;
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if (sc->sc_enabled)
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return EBUSY;
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sc->sc_enabled = 1;
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return 0;
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}
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static int
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btms_wsmouse_ioctl(void *cookie, unsigned long cmd, void *data,
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int flag, struct lwp *l)
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{
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switch (cmd) {
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case WSMOUSEIO_GTYPE:
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*(uint *)data = WSMOUSE_TYPE_BLUETOOTH;
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break;
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default:
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return EPASSTHROUGH;
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}
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return 0;
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}
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static void
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btms_wsmouse_disable(void *cookie)
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{
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struct btms_softc *sc = cookie;
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sc->sc_enabled = 0;
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}
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/*****************************************************************************
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*
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* btms input routine, called from our parent
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*/
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static void
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btms_input(struct bthidev *hidev, uint8_t *data, int len)
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{
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struct btms_softc *sc = (struct btms_softc *)hidev;
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int dx, dy, dz, dw;
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uint32_t buttons;
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int i, s;
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if (sc->sc_wsmouse == NULL || sc->sc_enabled == 0)
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return;
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dx = hid_get_data(data, &sc->sc_loc_x);
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dy = -hid_get_data(data, &sc->sc_loc_y);
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dz = hid_get_data(data, &sc->sc_loc_z);
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dw = hid_get_data(data, &sc->sc_loc_w);
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if (sc->sc_flags & BTMS_REVZ)
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dz = -dz;
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buttons = 0;
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for (i = 0 ; i < sc->sc_num_buttons ; i++)
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if (hid_get_data(data, &sc->sc_loc_button[i]))
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buttons |= BUTTON(i);
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if (dx != 0 || dy != 0 || dz != 0 || dw != 0 || buttons != sc->sc_buttons) {
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sc->sc_buttons = buttons;
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s = spltty();
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wsmouse_input(sc->sc_wsmouse,
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buttons,
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dx, dy, dz, dw,
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WSMOUSE_INPUT_DELTA);
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splx(s);
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}
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}
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