157 lines
4.1 KiB
C
157 lines
4.1 KiB
C
/* $NetBSD: adb_bt.c,v 1.6 2010/09/08 04:48:03 macallan Exp $ */
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/*-
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* Copyright (c) 2006 Michael Lorenz
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* All rights reserved.
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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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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: adb_bt.c,v 1.6 2010/09/08 04:48:03 macallan Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <machine/autoconf.h>
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#include <machine/adbsys.h>
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#include <machine/keyboard.h>
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#include <dev/adb/adbvar.h>
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#include "opt_wsdisplay_compat.h"
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#include "adbdebug.h"
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#ifdef ADBBT_DEBUG
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#define DPRINTF printf
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#else
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#define DPRINTF while (0) printf
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#endif
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#define BT_VOL_UP 0x06
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#define BT_VOL_DOWN 0x07
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#define BT_VOL_MUTE 0x08
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#define BT_BRT_UP 0x09
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#define BT_BRT_DOWN 0x0a
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#define BT_EJECT 0x0b
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#define BT_F7 0x0c
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#define BT_NUMLOCK 0x7f
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static int adbbt_match(device_t, cfdata_t, void *);
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static void adbbt_attach(device_t, device_t, void *);
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struct adbbt_softc {
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device_t sc_dev;
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struct adb_device *sc_adbdev;
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struct adb_bus_accessops *sc_ops;
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int sc_msg_len;
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int sc_event;
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uint8_t sc_buffer[16];
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uint8_t sc_us;
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};
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/* Driver definition. */
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CFATTACH_DECL_NEW(adbbt, sizeof(struct adbbt_softc),
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adbbt_match, adbbt_attach, NULL, NULL);
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extern struct cfdriver adbbt_cd;
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static void adbbt_handler(void *, int, uint8_t *);
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static int
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adbbt_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct adb_attach_args *aaa = aux;
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if ((aaa->dev->original_addr == ADBADDR_MISC) &&
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(aaa->dev->handler_id == 0x1f))
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return 100;
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else
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return 0;
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}
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static void
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adbbt_attach(device_t parent, device_t self, void *aux)
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{
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struct adbbt_softc *sc = device_private(self);
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struct adb_attach_args *aaa = aux;
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sc->sc_dev = self;
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sc->sc_ops = aaa->ops;
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sc->sc_adbdev = aaa->dev;
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sc->sc_adbdev->cookie = sc;
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sc->sc_adbdev->handler = adbbt_handler;
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sc->sc_us = ADBTALK(sc->sc_adbdev->current_addr, 0);
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sc->sc_msg_len = 0;
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printf(" addr %d: button device\n", sc->sc_adbdev->current_addr);
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}
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static void
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adbbt_handler(void *cookie, int len, uint8_t *data)
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{
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/* struct adbbt_softc *sc = cookie; */
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uint8_t k, scancode;
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#ifdef ADBBT_DEBUG
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struct adbbt_softc *sc = cookie;
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int i;
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printf("%s: %02x - ", device_xname(sc->sc_dev), sc->sc_us);
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for (i = 0; i < len; i++) {
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printf(" %02x", data[i]);
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}
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printf("\n");
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#endif
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k = data[2];
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scancode = ADBK_KEYVAL(k);
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if ((scancode < 6) || (scancode > 0x0c))
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return;
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if (ADBK_PRESS(k)) {
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switch (scancode) {
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case BT_VOL_UP:
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pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP);
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break;
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case BT_VOL_DOWN:
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pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN);
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break;
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case BT_VOL_MUTE:
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pmf_event_inject(NULL,
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PMFE_AUDIO_VOLUME_TOGGLE);
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break;
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case BT_BRT_UP:
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pmf_event_inject(NULL,
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PMFE_DISPLAY_BRIGHTNESS_UP);
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break;
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case BT_BRT_DOWN:
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pmf_event_inject(NULL,
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PMFE_DISPLAY_BRIGHTNESS_DOWN);
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break;
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}
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}
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}
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