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      1 /* $NetBSD: dtv_ioctl.c,v 1.4 2025/11/15 19:12:13 jmcneill Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2011 Jared D. McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of The NetBSD Foundation nor the names of its
     16  *    contributors may be used to endorse or promote products derived
     17  *    from this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: dtv_ioctl.c,v 1.4 2025/11/15 19:12:13 jmcneill Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/types.h>
     37 #include <sys/conf.h>
     38 #include <sys/kmem.h>
     39 #include <sys/device.h>
     40 #include <sys/select.h>
     41 
     42 #include <dev/dtv/dtvvar.h>
     43 
     44 int
     45 dtv_frontend_ioctl(struct dtv_softc *sc, u_long cmd, void *data, int flags)
     46 {
     47 	switch (cmd) {
     48 	case FE_READ_STATUS:
     49 		*(fe_status_t *)data = dtv_device_get_status(sc);
     50 		return 0;
     51 	case FE_READ_BER:
     52 		*(uint32_t *)data = 0;	/* XXX TODO */
     53 		return 0;
     54 	case FE_READ_SNR:
     55 		*(uint16_t *)data = dtv_device_get_snr(sc);
     56 		return 0;
     57 	case FE_READ_SIGNAL_STRENGTH:
     58 		*(uint16_t *)data = dtv_device_get_signal_strength(sc);
     59 		return 0;
     60 	case FE_SET_FRONTEND:
     61 		return dtv_device_set_tuner(sc, data);
     62 	case FE_GET_INFO:
     63 		dtv_device_get_devinfo(sc, data);
     64 		return 0;
     65 	default:
     66 		return EINVAL;
     67 	}
     68 }
     69