drivers/media/dvb-frontends/stv6110.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * stv6110.h
   4  *
   5  * Driver for ST STV6110 satellite tuner IC.
   6  *
   7  * Copyright (C) 2009 NetUP Inc.
   8  * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
   9  */
  10
  11 #ifndef __DVB_STV6110_H__
  12 #define __DVB_STV6110_H__
  13
  14 #include <linux/i2c.h>
  15 #include <media/dvb_frontend.h>
  16
  17 /* registers */
  18 #define RSTV6110_CTRL1          0
  19 #define RSTV6110_CTRL2          1
  20 #define RSTV6110_TUNING1        2
  21 #define RSTV6110_TUNING2        3
  22 #define RSTV6110_CTRL3          4
  23 #define RSTV6110_STAT1          5
  24 #define RSTV6110_STAT2          6
  25 #define RSTV6110_STAT3          7
  26
  27 struct stv6110_config {
  28         u8 i2c_address;
  29         u32 mclk;
  30         u8 gain;
  31         u8 clk_div;     /* divisor value for the output clock */
  32 };
  33
  34 #if IS_REACHABLE(CONFIG_DVB_STV6110)
  35 extern struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
  36                                         const struct stv6110_config *config,
  37                                         struct i2c_adapter *i2c);
  38 #else
  39 static inline struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
  40                                         const struct stv6110_config *config,
  41                                         struct i2c_adapter *i2c)
  42 {
  43         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  44         return NULL;
  45 }
  46 #endif
  47
  48 #endif