/*
   * Realtek RTL2832 DVB-T demodulator driver
   *
   * Copyright (C) 2012 Thomas Mair <thomas.mair86@gmail.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.,
   *	51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   */
  
  #ifndef RTL2832_H
  #define RTL2832_H
  
  #include <linux/kconfig.h>
  #include <linux/dvb/frontend.h>
  
  struct rtl2832_config {
  	/*
  	 * Demodulator I2C address.
  	 */
  	u8 i2c_addr;
  
  	/*
  	 * Xtal frequency.
  	 * Hz
  	 * 4000000, 16000000, 25000000, 28800000
  	 */
  	u32 xtal;
  
  	/*
  	 * IFs for all used modes.
  	 * Hz
  	 * 4570000, 4571429, 36000000, 36125000, 36166667, 44000000
  	 */
  	u32 if_dvbt;
  
  	/*
  	 * tuner
  	 * XXX: This must be keep sync with dvb_usb_rtl28xxu demod driver.
  	 */
  #define RTL2832_TUNER_TUA9001   0x24
  #define RTL2832_TUNER_FC0012    0x26
  #define RTL2832_TUNER_E4000     0x27
  #define RTL2832_TUNER_FC0013    0x29
  #define RTL2832_TUNER_R820T	0x2a
  #define RTL2832_TUNER_R828D	0x2b
  	u8 tuner;
  };
  
  #if IS_ENABLED(CONFIG_DVB_RTL2832)
  extern struct dvb_frontend *rtl2832_attach(
  	const struct rtl2832_config *cfg,
  	struct i2c_adapter *i2c
  );
  #else
  static inline struct dvb_frontend *rtl2832_attach(
  	const struct rtl2832_config *config,
  	struct i2c_adapter *i2c
  )
  {
  	pr_warn("%s: driver disabled by Kconfig
  ", __func__);
  	return NULL;
  }
  #endif
  
  
  #endif /* RTL2832_H */