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kernel/linux-imx6_3.14.28/drivers/media/tuners/tda8290.h 1.89 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
      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.
  
      You should have received a copy of the GNU General Public License
      along with this program; if not, write to the Free Software
      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
  
  #ifndef __TDA8290_H__
  #define __TDA8290_H__
  
  #include <linux/i2c.h>
  #include "dvb_frontend.h"
  #include "tda18271.h"
  
  enum tda8290_lna {
  	TDA8290_LNA_OFF = 0,
  	TDA8290_LNA_GP0_HIGH_ON = 1,
  	TDA8290_LNA_GP0_HIGH_OFF = 2,
  	TDA8290_LNA_ON_BRIDGE = 3,
  };
  
  struct tda829x_config {
  	enum tda8290_lna lna_cfg;
  
  	unsigned int probe_tuner:1;
  #define TDA829X_PROBE_TUNER 0
  #define TDA829X_DONT_PROBE  1
  	unsigned int no_i2c_gate:1;
  	struct tda18271_std_map *tda18271_std_map;
  };
  
  #if IS_ENABLED(CONFIG_MEDIA_TUNER_TDA8290)
  extern int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr);
  
  extern struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
  					   struct i2c_adapter *i2c_adap,
  					   u8 i2c_addr,
  					   struct tda829x_config *cfg);
  #else
  static inline int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr)
  {
  	printk(KERN_WARNING "%s: driver disabled by Kconfig
  ", __func__);
  	return -EINVAL;
  }
  
  static inline struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe,
  						  struct i2c_adapter *i2c_adap,
  						  u8 i2c_addr,
  						  struct tda829x_config *cfg)
  {
  	printk(KERN_INFO "%s: not probed - driver disabled by Kconfig
  ",
  	       __func__);
  	return NULL;
  }
  #endif
  
  #endif /* __TDA8290_H__ */