text: /*
      Auvitek AU8522 QAM/8VSB demodulator driver
  
      Copyright (C) 2008 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 __AU8522_H__
  #define __AU8522_H__
  
  #include <linux/kconfig.h>
  #include <linux/dvb/frontend.h>
  
  enum au8522_if_freq {
  	AU8522_IF_6MHZ = 0,
  	AU8522_IF_4MHZ,
  	AU8522_IF_3_25MHZ,
  };
  
  struct au8522_led_config {
  	u16 vsb8_strong;
  	u16 qam64_strong;
  	u16 qam256_strong;
  
  	u16 gpio_output;
  	/* unset hi bits, set low bits */
  	u16 gpio_output_enable;
  	u16 gpio_output_disable;
  
  	u16 gpio_leds;
  	u8 *led_states;
  	unsigned int num_led_states;
  };
  
  struct au8522_config {
  	/* the demodulator's i2c address */
  	u8 demod_address;
  
  	/* Return lock status based on tuner lock, or demod lock */
  #define AU8522_TUNERLOCKING 0
  #define AU8522_DEMODLOCKING 1
  	u8 status_mode;
  
  	struct au8522_led_config *led_cfg;
  
  	enum au8522_if_freq vsb_if;
  	enum au8522_if_freq qam_if;
  };
  
  #if IS_ENABLED(CPTCFG_DVB_AU8522_DTV)
  extern struct dvb_frontend *au8522_attach(const struct au8522_config *config,
  					  struct i2c_adapter *i2c);
  #else
  static inline
  struct dvb_frontend *au8522_attach(const struct au8522_config *config,
  				   struct i2c_adapter *i2c)
  {
  	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  	return NULL;
  }
  #endif /* CPTCFG_DVB_AU8522 */
  
  /* Other modes may need to be added later */
  enum au8522_video_input {
  	AU8522_COMPOSITE_CH1 = 1,
  	AU8522_COMPOSITE_CH2,
  	AU8522_COMPOSITE_CH3,
  	AU8522_COMPOSITE_CH4,
  	AU8522_COMPOSITE_CH4_SIF,
  	AU8522_SVIDEO_CH13,
  	AU8522_SVIDEO_CH24,
  };
  
  enum au8522_audio_input {
  	AU8522_AUDIO_NONE,
  	AU8522_AUDIO_SIF,
  };
  
  #endif /* __AU8522_H__ */
  
  /*
   * Local variables:
   * c-basic-offset: 8
   */
  