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      1 /* $NetBSD: dtv_ioctl.c,v 1.3 2011/07/13 22:43:04 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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *        This product includes software developed by Jared D. McNeill.
     18  * 4. Neither the name of The NetBSD Foundation nor the names of its
     19  *    contributors may be used to endorse or promote products derived
     20  *    from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     23  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     24  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     25  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     32  * POSSIBILITY OF SUCH DAMAGE.
     33  */
     34 
     35 #include <sys/cdefs.h>
     36 __KERNEL_RCSID(0, "$NetBSD: dtv_ioctl.c,v 1.3 2011/07/13 22:43:04 jmcneill Exp $");
     37 
     38 #include <sys/param.h>
     39 #include <sys/types.h>
     40 #include <sys/conf.h>
     41 #include <sys/kmem.h>
     42 #include <sys/device.h>
     43 #include <sys/select.h>
     44 
     45 #include <dev/dtv/dtvvar.h>
     46 
     47 int
     48 dtv_frontend_ioctl(struct dtv_softc *sc, u_long cmd, void *data, int flags)
     49 {
     50 	switch (cmd) {
     51 	case FE_READ_STATUS:
     52 		*(fe_status_t *)data = dtv_device_get_status(sc);
     53 		return 0;
     54 	case FE_READ_BER:
     55 		*(uint32_t *)data = 0;	/* XXX TODO */
     56 		return 0;
     57 	case FE_READ_SNR:
     58 		*(uint16_t *)data = dtv_device_get_snr(sc);
     59 		return 0;
     60 	case FE_READ_SIGNAL_STRENGTH:
     61 		*(uint16_t *)data = dtv_device_get_signal_strength(sc);
     62 		return 0;
     63 	case FE_SET_FRONTEND:
     64 		return dtv_device_set_tuner(sc, data);
     65 	case FE_GET_INFO:
     66 		dtv_device_get_devinfo(sc, data);
     67 		return 0;
     68 	default:
     69 		return EINVAL;
     70 	}
     71 }
     72