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kernel/linux-imx6_3.14.28/drivers/media/dvb-frontends/nxt200x.h 1.79 KB
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  /*
   *    Support for NXT2002 and NXT2004 - VSB/QAM
   *
   *    Copyright (C) 2005 Kirk Lapray (kirk.lapray@gmail.com)
   *    based on nxt2002 by Taylor Jacob <rtjacob@earthlink.net>
   *    and nxt2004 by Jean-Francois Thibert (jeanfrancois@sagetv.com)
   *
   *    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 NXT200X_H
  #define NXT200X_H
  
  #include <linux/dvb/frontend.h>
  #include <linux/firmware.h>
  
  typedef enum nxt_chip_t {
  		NXTUNDEFINED,
  		NXT2002,
  		NXT2004
  }nxt_chip_type;
  
  struct nxt200x_config
  {
  	/* the demodulator's i2c address */
  	u8 demod_address;
  
  	/* need to set device param for start_dma */
  	int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
  };
  
  #if IS_ENABLED(CONFIG_DVB_NXT200X)
  extern struct dvb_frontend* nxt200x_attach(const struct nxt200x_config* config,
  					   struct i2c_adapter* i2c);
  #else
  static inline struct dvb_frontend* nxt200x_attach(const struct nxt200x_config* config,
  					   struct i2c_adapter* i2c)
  {
  	printk(KERN_WARNING "%s: driver disabled by Kconfig
  ", __func__);
  	return NULL;
  }
  #endif // CONFIG_DVB_NXT200X
  
  #endif /* NXT200X_H */
  
  /*
   * Local variables:
   * c-basic-offset: 8
   * End:
   */