1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * ZyDAS ZD1301 driver (demodulator) 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2015 Antti Palosaari <crope@iki.fi> 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef ZD1301_DEMOD_H 9*4882a593Smuzhiyun #define ZD1301_DEMOD_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <linux/platform_device.h> 12*4882a593Smuzhiyun #include <linux/dvb/frontend.h> 13*4882a593Smuzhiyun #include <media/dvb_frontend.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun /** 16*4882a593Smuzhiyun * struct zd1301_demod_platform_data - Platform data for the zd1301_demod driver 17*4882a593Smuzhiyun * @reg_priv: First argument of reg_read and reg_write callbacks. 18*4882a593Smuzhiyun * @reg_read: Register read callback. 19*4882a593Smuzhiyun * @reg_write: Register write callback. 20*4882a593Smuzhiyun */ 21*4882a593Smuzhiyun struct zd1301_demod_platform_data { 22*4882a593Smuzhiyun void *reg_priv; 23*4882a593Smuzhiyun int (*reg_read)(void *, u16, u8 *); 24*4882a593Smuzhiyun int (*reg_write)(void *, u16, u8); 25*4882a593Smuzhiyun }; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_ZD1301_DEMOD) 28*4882a593Smuzhiyun /** 29*4882a593Smuzhiyun * zd1301_demod_get_dvb_frontend() - Get pointer to DVB frontend 30*4882a593Smuzhiyun * @pdev: Pointer to platform device 31*4882a593Smuzhiyun * 32*4882a593Smuzhiyun * Return: Pointer to DVB frontend which given platform device owns. 33*4882a593Smuzhiyun */ 34*4882a593Smuzhiyun struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *pdev); 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun /** 37*4882a593Smuzhiyun * zd1301_demod_get_i2c_adapter() - Get pointer to I2C adapter 38*4882a593Smuzhiyun * @pdev: Pointer to platform device 39*4882a593Smuzhiyun * 40*4882a593Smuzhiyun * Return: Pointer to I2C adapter which given platform device owns. 41*4882a593Smuzhiyun */ 42*4882a593Smuzhiyun struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *pdev); 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun #else 45*4882a593Smuzhiyun zd1301_demod_get_dvb_frontend(struct platform_device * dev)46*4882a593Smuzhiyunstatic inline struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *dev) 47*4882a593Smuzhiyun { 48*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun return NULL; 51*4882a593Smuzhiyun } zd1301_demod_get_i2c_adapter(struct platform_device * dev)52*4882a593Smuzhiyunstatic inline struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *dev) 53*4882a593Smuzhiyun { 54*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun return NULL; 57*4882a593Smuzhiyun } 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun #endif 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun #endif /* ZD1301_DEMOD_H */ 62