/* $NetBSD: dtvif.h,v 1.4 2018/04/19 21:50:08 christos Exp $ */

/*-
* Copyright (c) 2011 Jared D. McNeill <[email protected]>
* 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.
*/

#ifndef _DEV_DTV_DTVIF_H
#define _DEV_DTV_DTVIF_H

#include <sys/device.h>

#include <dev/dtv/dtvio.h>

#define DTV_DEVICE_FRONTEND     0
#define DTV_DEVICE_DEMUX        1
#define DTV_DEVICE_DVR          2

#define DTV_NUM_DEVICES         3

#define DTVUNIT(x)              (minor(x) & 0x0f)
#define DTVDEV(x)               ((minor(x) & 0xf0) >> 4)

#define ISDTVFRONTEND(x)        (DTVDEV((x)) == DTV_DEVICE_FRONTEND)
#define ISDTVDEMUX(x)           (DTVDEV((x)) == DTV_DEVICE_DEMUX)
#define ISDTVDVR(x)             (DTVDEV((x)) == DTV_DEVICE_DVR)

struct dtv_payload;

struct dtv_hw_if {
       void            (*get_devinfo)(void *, struct dvb_frontend_info *);

       int             (*open)(void *, int);
       void            (*close)(void *);
       int             (*set_tuner)(void *, const struct dvb_frontend_parameters *);
       fe_status_t     (*get_status)(void *);
       uint16_t        (*get_signal_strength)(void *);
       uint16_t        (*get_snr)(void *);
       int             (*start_transfer)(void *,
                           void (*)(void *, const struct dtv_payload *),
                           void *);
       int             (*stop_transfer)(void *);
};

struct dtv_attach_args {
       const struct dtv_hw_if *hw;
       void *priv;
};

struct dtv_payload {
       const uint8_t   *data;
       size_t          size;
};

static __inline int
dtv_print(void *priv, const char *pnp)
{
       if (pnp)
               aprint_normal("dtv at %s", pnp);
       return UNCONF;
}

#endif /* !_DEV_DTV_DTVIF_H */