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kernel/linux-imx6_3.14.28/drivers/media/dvb-frontends/tda1002x.h 2.51 KB
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  /*
      TDA10021/TDA10023  - Single Chip Cable Channel Receiver driver module
  			 used on the the Siemens DVB-C cards
  
      Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
      Copyright (C) 2004 Markus Schulz <msc@antzsystem.de>
  		   Support for TDA10021
  
      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 TDA1002x_H
  #define TDA1002x_H
  
  #include <linux/dvb/frontend.h>
  
  struct tda1002x_config {
  	/* the demodulator's i2c address */
  	u8 demod_address;
  	u8 invert;
  };
  
  enum tda10023_output_mode {
  	TDA10023_OUTPUT_MODE_PARALLEL_A = 0xe0,
  	TDA10023_OUTPUT_MODE_PARALLEL_B = 0xa1,
  	TDA10023_OUTPUT_MODE_PARALLEL_C = 0xa0,
  	TDA10023_OUTPUT_MODE_SERIAL, /* TODO: not implemented */
  };
  
  struct tda10023_config {
  	/* the demodulator's i2c address */
  	u8 demod_address;
  	u8 invert;
  
  	/* clock settings */
  	u32 xtal; /* defaults: 28920000 */
  	u8 pll_m; /* defaults: 8 */
  	u8 pll_p; /* defaults: 4 */
  	u8 pll_n; /* defaults: 1 */
  
  	/* MPEG2 TS output mode */
  	u8 output_mode;
  
  	/* input freq offset + baseband conversion type */
  	u16 deltaf;
  };
  
  #if IS_ENABLED(CONFIG_DVB_TDA10021)
  extern struct dvb_frontend* tda10021_attach(const struct tda1002x_config* config,
  					    struct i2c_adapter* i2c, u8 pwm);
  #else
  static inline struct dvb_frontend* tda10021_attach(const struct tda1002x_config* config,
  					    struct i2c_adapter* i2c, u8 pwm)
  {
  	printk(KERN_WARNING "%s: driver disabled by Kconfig
  ", __func__);
  	return NULL;
  }
  #endif // CONFIG_DVB_TDA10021
  
  #if IS_ENABLED(CONFIG_DVB_TDA10023)
  extern struct dvb_frontend *tda10023_attach(
  	const struct tda10023_config *config,
  	struct i2c_adapter *i2c, u8 pwm);
  #else
  static inline struct dvb_frontend *tda10023_attach(
  	const struct tda10023_config *config,
  	struct i2c_adapter *i2c, u8 pwm)
  {
  	printk(KERN_WARNING "%s: driver disabled by Kconfig
  ", __func__);
  	return NULL;
  }
  #endif // CONFIG_DVB_TDA10023
  
  #endif // TDA1002x_H