drivers/media/dvb-frontends/stv6110.h

   1 /*
   2  * stv6110.h
   3  *
   4  * Driver for ST STV6110 satellite tuner IC.
   5  *
   6  * Copyright (C) 2009 NetUP Inc.
   7  * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *
  18  * GNU General Public License for more details.
  19  */
  20
  21 #ifndef __DVB_STV6110_H__
  22 #define __DVB_STV6110_H__
  23
  24 #include <linux/i2c.h>
  25 #include <media/dvb_frontend.h>
  26
  27 /* registers */
  28 #define RSTV6110_CTRL1          0
  29 #define RSTV6110_CTRL2          1
  30 #define RSTV6110_TUNING1        2
  31 #define RSTV6110_TUNING2        3
  32 #define RSTV6110_CTRL3          4
  33 #define RSTV6110_STAT1          5
  34 #define RSTV6110_STAT2          6
  35 #define RSTV6110_STAT3          7
  36
  37 struct stv6110_config {
  38         u8 i2c_address;
  39         u32 mclk;
  40         u8 gain;
  41         u8 clk_div;     /* divisor value for the output clock */
  42 };
  43
  44 #if IS_REACHABLE(CONFIG_DVB_STV6110)
  45 extern struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
  46                                         const struct stv6110_config *config,
  47                                         struct i2c_adapter *i2c);
  48 #else
  49 static inline struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
  50                                         const struct stv6110_config *config,
  51                                         struct i2c_adapter *i2c)
  52 {
  53         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  54         return NULL;
  55 }
  56 #endif
  57
  58 #endif