NetBSD/sys/dev/dtv/dtv_ioctl.c

72 lines
2.7 KiB
C

/* $NetBSD: dtv_ioctl.c,v 1.3 2011/07/13 22:43:04 jmcneill Exp $ */
/*-
* Copyright (c) 2011 Jared D. McNeill <jmcneill@invisible.ca>
* All rights reserved.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jared D. McNeill.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: dtv_ioctl.c,v 1.3 2011/07/13 22:43:04 jmcneill Exp $");
#include <sys/param.h>
#include <sys/types.h>
#include <sys/conf.h>
#include <sys/kmem.h>
#include <sys/device.h>
#include <sys/select.h>
#include <dev/dtv/dtvvar.h>
int
dtv_frontend_ioctl(struct dtv_softc *sc, u_long cmd, void *data, int flags)
{
switch (cmd) {
case FE_READ_STATUS:
*(fe_status_t *)data = dtv_device_get_status(sc);
return 0;
case FE_READ_BER:
*(uint32_t *)data = 0; /* XXX TODO */
return 0;
case FE_READ_SNR:
*(uint16_t *)data = dtv_device_get_snr(sc);
return 0;
case FE_READ_SIGNAL_STRENGTH:
*(uint16_t *)data = dtv_device_get_signal_strength(sc);
return 0;
case FE_SET_FRONTEND:
return dtv_device_set_tuner(sc, data);
case FE_GET_INFO:
dtv_device_get_devinfo(sc, data);
return 0;
default:
return EINVAL;
}
}