162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 262306a36Sopenharmony_ci /* 362306a36Sopenharmony_ci DVB Driver for Philips tda827x / tda827xa Silicon tuners 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci (c) 2005 Hartmut Hackmann 662306a36Sopenharmony_ci (c) 2007 Michael Krufky 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci */ 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#ifndef __DVB_TDA827X_H__ 1262306a36Sopenharmony_ci#define __DVB_TDA827X_H__ 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci#include <linux/i2c.h> 1562306a36Sopenharmony_ci#include <media/dvb_frontend.h> 1662306a36Sopenharmony_ci#include "tda8290.h" 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_cistruct tda827x_config 1962306a36Sopenharmony_ci{ 2062306a36Sopenharmony_ci /* saa7134 - provided callbacks */ 2162306a36Sopenharmony_ci int (*init) (struct dvb_frontend *fe); 2262306a36Sopenharmony_ci int (*sleep) (struct dvb_frontend *fe); 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ci /* interface to tda829x driver */ 2562306a36Sopenharmony_ci enum tda8290_lna config; 2662306a36Sopenharmony_ci int switch_addr; 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ci void (*agcf)(struct dvb_frontend *fe); 2962306a36Sopenharmony_ci}; 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci/** 3362306a36Sopenharmony_ci * tda827x_attach() - Attach a tda827x tuner to the supplied frontend structure 3462306a36Sopenharmony_ci * 3562306a36Sopenharmony_ci * @fe: Frontend to attach to. 3662306a36Sopenharmony_ci * @addr: i2c address of the tuner. 3762306a36Sopenharmony_ci * @i2c: i2c adapter to use. 3862306a36Sopenharmony_ci * @cfg: optional callback function pointers. 3962306a36Sopenharmony_ci * @return FE pointer on success, NULL on failure. 4062306a36Sopenharmony_ci */ 4162306a36Sopenharmony_ci#if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA827X) 4262306a36Sopenharmony_ciextern struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe, int addr, 4362306a36Sopenharmony_ci struct i2c_adapter *i2c, 4462306a36Sopenharmony_ci struct tda827x_config *cfg); 4562306a36Sopenharmony_ci#else 4662306a36Sopenharmony_cistatic inline struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe, 4762306a36Sopenharmony_ci int addr, 4862306a36Sopenharmony_ci struct i2c_adapter *i2c, 4962306a36Sopenharmony_ci struct tda827x_config *cfg) 5062306a36Sopenharmony_ci{ 5162306a36Sopenharmony_ci printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 5262306a36Sopenharmony_ci return NULL; 5362306a36Sopenharmony_ci} 5462306a36Sopenharmony_ci#endif // CONFIG_MEDIA_TUNER_TDA827X 5562306a36Sopenharmony_ci 5662306a36Sopenharmony_ci#endif // __DVB_TDA827X_H__ 57