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kernel/linux-imx6_3.14.28/drivers/media/dvb-frontends/lnbh24.h 1.7 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * lnbh24.h - driver for lnb supply and control ic lnbh24
   *
   * Copyright (C) 2009 NetUP Inc.
   * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
   *
   * 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 _LNBH24_H
  #define _LNBH24_H
  
  #include <linux/kconfig.h>
  
  /* system register bits */
  #define LNBH24_OLF	0x01
  #define LNBH24_OTF	0x02
  #define LNBH24_EN	0x04
  #define LNBH24_VSEL	0x08
  #define LNBH24_LLC	0x10
  #define LNBH24_TEN	0x20
  #define LNBH24_TTX	0x40
  #define LNBH24_PCL	0x80
  
  #include <linux/dvb/frontend.h>
  
  #if IS_ENABLED(CONFIG_DVB_LNBP21)
  /* override_set and override_clear control which
     system register bits (above) to always set & clear */
  extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
  				struct i2c_adapter *i2c, u8 override_set,
  				u8 override_clear, u8 i2c_addr);
  #else
  static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
  				struct i2c_adapter *i2c, u8 override_set,
  				u8 override_clear, u8 i2c_addr)
  {
  	printk(KERN_WARNING "%s: driver disabled by Kconfig
  ", __func__);
  	return NULL;
  }
  #endif
  
  #endif