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kernel/linux-imx6_3.14.28/drivers/media/dvb-frontends/lg2160.h 2.09 KB
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  /*
   *    Support for LG2160 - ATSC/MH
   *
   *    Copyright (C) 2010 Michael Krufky <mkrufky@linuxtv.org>
   *
   *    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 _LG2160_H_
  #define _LG2160_H_
  
  #include <linux/kconfig.h>
  #include <linux/i2c.h>
  #include "dvb_frontend.h"
  
  enum lg_chip_type {
  	LG2160 = 0,
  	LG2161 = 1,
  };
  
  #define LG2161_1019 LG2161
  #define LG2161_1040 LG2161
  
  enum lg2160_spi_clock {
  	LG2160_SPI_3_125_MHZ = 0,
  	LG2160_SPI_6_25_MHZ = 1,
  	LG2160_SPI_12_5_MHZ = 2,
  };
  
  #if 0
  enum lg2161_oif {
  	LG2161_OIF_EBI2_SLA  = 1,
  	LG2161_OIF_SDIO_SLA  = 2,
  	LG2161_OIF_SPI_SLA   = 3,
  	LG2161_OIF_SPI_MAS   = 4,
  	LG2161_OIF_SERIAL_TS = 7,
  };
  #endif
  
  struct lg2160_config {
  	u8 i2c_addr;
  
  	/* user defined IF frequency in KHz */
  	u16 if_khz;
  
  	/* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
  	unsigned int deny_i2c_rptr:1;
  
  	/* spectral inversion - 0:disabled 1:enabled */
  	unsigned int spectral_inversion:1;
  
  	unsigned int output_if;
  	enum lg2160_spi_clock spi_clock;
  	enum lg_chip_type lg_chip;
  };
  
  #if IS_ENABLED(CONFIG_DVB_LG2160)
  extern
  struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
  				     struct i2c_adapter *i2c_adap);
  #else
  static inline
  struct dvb_frontend *lg2160_attach(const struct lg2160_config *config,
  				     struct i2c_adapter *i2c_adap)
  {
  	printk(KERN_WARNING "%s: driver disabled by Kconfig
  ", __func__);
  	return NULL;
  }
  #endif /* CONFIG_DVB_LG2160 */
  
  #endif /* _LG2160_H_ */