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