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kernel/linux-imx6_3.14.28/drivers/media/dvb-frontends/s5h1409.h 2.49 KB
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  /*
      Samsung S5H1409 VSB/QAM demodulator driver
  
      Copyright (C) 2006 Steven Toth <stoth@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 __S5H1409_H__
  #define __S5H1409_H__
  
  #include <linux/kconfig.h>
  #include <linux/dvb/frontend.h>
  
  struct s5h1409_config {
  	/* the demodulator's i2c address */
  	u8 demod_address;
  
  	/* serial/parallel output */
  #define S5H1409_PARALLEL_OUTPUT 0
  #define S5H1409_SERIAL_OUTPUT   1
  	u8 output_mode;
  
  	/* GPIO Setting */
  #define S5H1409_GPIO_OFF 0
  #define S5H1409_GPIO_ON  1
  	u8 gpio;
  
  	/* IF Freq for QAM in KHz, VSB is hardcoded to 5380 */
  	u16 qam_if;
  
  	/* Spectral Inversion */
  #define S5H1409_INVERSION_OFF 0
  #define S5H1409_INVERSION_ON  1
  	u8 inversion;
  
  	/* Return lock status based on tuner lock, or demod lock */
  #define S5H1409_TUNERLOCKING 0
  #define S5H1409_DEMODLOCKING 1
  	u8 status_mode;
  
  	/* MPEG signal timing */
  #define S5H1409_MPEGTIMING_CONTINOUS_INVERTING_CLOCK       0
  #define S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK    1
  #define S5H1409_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK    2
  #define S5H1409_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3
  	u16 mpeg_timing;
  
  	/* HVR-1600 optimizations (to better work with MXL5005s)
  	   Note: some of these are likely to be folded into the generic driver
  	   after being regression tested with other boards */
  #define S5H1409_HVR1600_NOOPTIMIZE 0
  #define S5H1409_HVR1600_OPTIMIZE   1
  	u8 hvr1600_opt;
  };
  
  #if IS_ENABLED(CONFIG_DVB_S5H1409)
  extern struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config,
  					   struct i2c_adapter *i2c);
  #else
  static inline struct dvb_frontend *s5h1409_attach(
  	const struct s5h1409_config *config,
  	struct i2c_adapter *i2c)
  {
  	printk(KERN_WARNING "%s: driver disabled by Kconfig
  ", __func__);
  	return NULL;
  }
  #endif /* CONFIG_DVB_S5H1409 */
  
  #endif /* __S5H1409_H__ */
  
  /*
   * Local variables:
   * c-basic-offset: 8
   */