/*
   * Sony CXD2820R demodulator driver
   *
   * Copyright (C) 2010 Antti Palosaari <crope@iki.fi>
   *
   *    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 CXD2820R_H
  #define CXD2820R_H
  
  #include <linux/kconfig.h>
  #include <linux/dvb/frontend.h>
  
  #define CXD2820R_GPIO_D (0 << 0) /* disable */
  #define CXD2820R_GPIO_E (1 << 0) /* enable */
  #define CXD2820R_GPIO_O (0 << 1) /* output */
  #define CXD2820R_GPIO_I (1 << 1) /* input */
  #define CXD2820R_GPIO_L (0 << 2) /* output low */
  #define CXD2820R_GPIO_H (1 << 2) /* output high */
  
  #define CXD2820R_TS_SERIAL        0x08
  #define CXD2820R_TS_SERIAL_MSB    0x28
  #define CXD2820R_TS_PARALLEL      0x30
  #define CXD2820R_TS_PARALLEL_MSB  0x70
  
  struct cxd2820r_config {
  	/* Demodulator I2C address.
  	 * Driver determines DVB-C slave I2C address automatically from master
  	 * address.
  	 * Default: none, must set
  	 * Values: 0x6c, 0x6d
  	 */
  	u8 i2c_address;
  
  	/* TS output mode.
  	 * Default: none, must set.
  	 * Values:
  	 */
  	u8 ts_mode;
  
  	/* IF AGC polarity.
  	 * Default: 0
  	 * Values: 0, 1
  	 */
  	bool if_agc_polarity;
  
  	/* Spectrum inversion.
  	 * Default: 0
  	 * Values: 0, 1
  	 */
  	bool spec_inv;
  };
  
  
  #if IS_ENABLED(CONFIG_DVB_CXD2820R)
  extern struct dvb_frontend *cxd2820r_attach(
  	const struct cxd2820r_config *config,
  	struct i2c_adapter *i2c,
  	int *gpio_chip_base
  );
  #else
  static inline struct dvb_frontend *cxd2820r_attach(
  	const struct cxd2820r_config *config,
  	struct i2c_adapter *i2c,
  	int *gpio_chip_base
  )
  {
  	printk(KERN_WARNING "%s: driver disabled by Kconfig
  ", __func__);
  	return NULL;
  }
  
  #endif
  
  #endif /* CXD2820R_H */