[media] em28xx-dvb: Prepare for si2157 driver getting more parameters

[deliverable/linux.git] / drivers / media / tuners / si2157_priv.h

/*
 * Silicon Labs Si2157/2158 silicon tuner driver
 *
 * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 */

#ifndef SI2157_PRIV_H
#define SI2157_PRIV_H

#include <linux/firmware.h>
#include "si2157.h"

/* state struct */
struct si2157 {
	struct mutex i2c_mutex;
	struct i2c_client *client;
	struct dvb_frontend *fe;
	bool active;
};

/* firmare command struct */
#define SI2157_ARGLEN      30
struct si2157_cmd {
	u8 args[SI2157_ARGLEN];
	unsigned wlen;
	unsigned rlen;
};

#define SI2158_A20_FIRMWARE "dvb-tuner-si2158-a20-01.fw"

#endif