1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /** 3*4882a593Smuzhiyun * Driver for Sharp IX2505V (marked B0017) DVB-S silicon tuner 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2010 Malcolm Priestley 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef DVB_IX2505V_H 9*4882a593Smuzhiyun #define DVB_IX2505V_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <linux/i2c.h> 12*4882a593Smuzhiyun #include <media/dvb_frontend.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /** 15*4882a593Smuzhiyun * struct ix2505v_config - ix2505 attachment configuration 16*4882a593Smuzhiyun * 17*4882a593Smuzhiyun * @tuner_address: tuner address 18*4882a593Smuzhiyun * @tuner_gain: Baseband AMP gain control 0/1=0dB(default) 2=-2bB 3=-4dB 19*4882a593Smuzhiyun * @tuner_chargepump: Charge pump output +/- 0=120 1=260 2=555 3=1200(default) 20*4882a593Smuzhiyun * @min_delay_ms: delay after tune 21*4882a593Smuzhiyun * @tuner_write_only: disables reads 22*4882a593Smuzhiyun */ 23*4882a593Smuzhiyun struct ix2505v_config { 24*4882a593Smuzhiyun u8 tuner_address; 25*4882a593Smuzhiyun u8 tuner_gain; 26*4882a593Smuzhiyun u8 tuner_chargepump; 27*4882a593Smuzhiyun int min_delay_ms; 28*4882a593Smuzhiyun u8 tuner_write_only; 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun }; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_IX2505V) 33*4882a593Smuzhiyun /** 34*4882a593Smuzhiyun * Attach a ix2505v tuner to the supplied frontend structure. 35*4882a593Smuzhiyun * 36*4882a593Smuzhiyun * @fe: Frontend to attach to. 37*4882a593Smuzhiyun * @config: pointer to &struct ix2505v_config 38*4882a593Smuzhiyun * @i2c: pointer to &struct i2c_adapter. 39*4882a593Smuzhiyun * 40*4882a593Smuzhiyun * return: FE pointer on success, NULL on failure. 41*4882a593Smuzhiyun */ 42*4882a593Smuzhiyun extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, 43*4882a593Smuzhiyun const struct ix2505v_config *config, struct i2c_adapter *i2c); 44*4882a593Smuzhiyun #else ix2505v_attach(struct dvb_frontend * fe,const struct ix2505v_config * config,struct i2c_adapter * i2c)45*4882a593Smuzhiyunstatic inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, 46*4882a593Smuzhiyun const struct ix2505v_config *config, struct i2c_adapter *i2c) 47*4882a593Smuzhiyun { 48*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 49*4882a593Smuzhiyun return NULL; 50*4882a593Smuzhiyun } 51*4882a593Smuzhiyun #endif 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun #endif /* DVB_IX2505V_H */ 54