release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/media/dvb/frontends/lnbh24.h

   1 /*
   2  * lnbh24.h - driver for lnb supply and control ic lnbh24
   3  *
   4  * Copyright (C) 2009 NetUP Inc.
   5  * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #ifndef _LNBH24_H
  24 #define _LNBH24_H
  25
  26 /* system register bits */
  27 #define LNBH24_OLF      0x01
  28 #define LNBH24_OTF      0x02
  29 #define LNBH24_EN       0x04
  30 #define LNBH24_VSEL     0x08
  31 #define LNBH24_LLC      0x10
  32 #define LNBH24_TEN      0x20
  33 #define LNBH24_TTX      0x40
  34 #define LNBH24_PCL      0x80
  35
  36 #include <linux/dvb/frontend.h>
  37
  38 #if defined(CONFIG_DVB_LNBP21) || (defined(CONFIG_DVB_LNBP21_MODULE) && \
  39         defined(MODULE))
  40 /* override_set and override_clear control which
  41    system register bits (above) to always set & clear */
  42 extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
  43                                 struct i2c_adapter *i2c, u8 override_set,
  44                                 u8 override_clear, u8 i2c_addr);
  45 #else
  46 static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
  47                                 struct i2c_adapter *i2c, u8 override_set,
  48                                 u8 override_clear, u8 i2c_addr)
  49 {
  50         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  51         return NULL;
  52 }
  53 #endif
  54
  55 #endif