74 строки
2.0 KiB
C
74 строки
2.0 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);
|
|
};
|
|
|
|
#if IS_REACHABLE(CONFIG_DVB_ZD1301_DEMOD)
|
|
/**
|
|
* 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 *);
|
|
|
|
#else
|
|
|
|
static inline struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *dev)
|
|
{
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
|
|
|
return NULL;
|
|
}
|
|
static inline struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *dev)
|
|
{
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif /* ZD1301_DEMOD_H */
|