NetBSD/sys/dev/dtv/dtvif.h

91 lines
3.0 KiB
C

/* $NetBSD: dtvif.h,v 1.3 2011/08/09 01:42:24 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.
*/
#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 */