2 * ZyDAS ZD1301 driver (demodulator)
4 * Copyright (C) 2015 Antti Palosaari <crope@iki.fi>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
17 #ifndef ZD1301_DEMOD_H
18 #define ZD1301_DEMOD_H
20 #include <linux/platform_device.h>
21 #include <linux/dvb/frontend.h>
22 #include "dvb_frontend.h"
25 * struct zd1301_demod_platform_data - Platform data for the zd1301_demod driver
26 * @reg_priv: First argument of reg_read and reg_write callbacks.
27 * @reg_read: Register read callback.
28 * @reg_write: Register write callback.
31 struct zd1301_demod_platform_data {
33 int (*reg_read)(void *, u16, u8 *);
34 int (*reg_write)(void *, u16, u8);
37 #if IS_REACHABLE(CONFIG_DVB_ZD1301_DEMOD)
39 * zd1301_demod_get_dvb_frontend() - Get pointer to DVB frontend
40 * @pdev: Pointer to platform device
42 * Return: Pointer to DVB frontend which given platform device owns.
45 struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *);
48 * zd1301_demod_get_i2c_adapter() - Get pointer to I2C adapter
49 * @pdev: Pointer to platform device
51 * Return: Pointer to I2C adapter which given platform device owns.
54 struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *);
58 static inline struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *dev)
60 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
64 static inline struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *dev)
66 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
73 #endif /* ZD1301_DEMOD_H */