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linux-next/drivers/media/dvb-frontends/zd1301_demod.h
Antti Palosaari 47d65372b3 [media] zd1301_demod: ZyDAS ZD1301 DVB-T demodulator driver
ZyDAS ZD1301 is chip having USB interface and DVB-T demodulator
integrated. This driver is for demodulator part.
Driver is very reduced, just basic demodulator functionality, no
statistics at all. It registers as a platform driver to driver core.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-02-03 06:45:35 -02:00

56 lines
1.6 KiB
C

/*
* ZyDAS ZD1301 driver (demodulator)
*
* Copyright (C) 2015 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 ZD1301_DEMOD_H
#define ZD1301_DEMOD_H
#include <linux/platform_device.h>
#include <linux/dvb/frontend.h>
#include "dvb_frontend.h"
/**
* struct zd1301_demod_platform_data - Platform data for the zd1301_demod driver
* @reg_priv: First argument of reg_read and reg_write callbacks.
* @reg_read: Register read callback.
* @reg_write: Register write callback.
*/
struct zd1301_demod_platform_data {
void *reg_priv;
int (*reg_read)(void *, u16, u8 *);
int (*reg_write)(void *, u16, u8);
};
/**
* zd1301_demod_get_dvb_frontend() - Get pointer to DVB frontend
* @pdev: Pointer to platform device
*
* Return: Pointer to DVB frontend which given platform device owns.
*/
struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *);
/**
* zd1301_demod_get_i2c_adapter() - Get pointer to I2C adapter
* @pdev: Pointer to platform device
*
* Return: Pointer to I2C adapter which given platform device owns.
*/
struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *);
#endif /* ZD1301_DEMOD_H */