LXR linux/drivers/media/dvb-frontends/stv6110x.h

   1/*
   2        STV6110(A) Silicon tuner driver
   3
   4        Copyright (C) Manu Abraham <abraham.manu@gmail.com>
   5
   6        Copyright (C) ST Microelectronics
   7
   8        This program is free software; you can redistribute it and/or modify
   9        it under the terms of the GNU General Public License as published by
  10        the Free Software Foundation; either version 2 of the License, or
  11        (at your option) any later version.
  12
  13        This program is distributed in the hope that it will be useful,
  14        but WITHOUT ANY WARRANTY; without even the implied warranty of
  15        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  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 __STV6110x_H
  24#define __STV6110x_H
  25
  26struct stv6110x_config {
  27        u8      addr;
  28        u32     refclk;
  29        u8      clk_div; /* divisor value for the output clock */
  30};
  31
  32enum tuner_mode {
  33        TUNER_SLEEP = 1,
  34        TUNER_WAKE,
  35};
  36
  37enum tuner_status {
  38        TUNER_PHASELOCKED = 1,
  39};
  40
  41struct stv6110x_devctl {
  42        int (*tuner_init) (struct dvb_frontend *fe);
  43        int (*tuner_sleep) (struct dvb_frontend *fe);
  44        int (*tuner_set_mode) (struct dvb_frontend *fe, enum tuner_mode mode);
  45        int (*tuner_set_frequency) (struct dvb_frontend *fe, u32 frequency);
  46        int (*tuner_get_frequency) (struct dvb_frontend *fe, u32 *frequency);
  47        int (*tuner_set_bandwidth) (struct dvb_frontend *fe, u32 bandwidth);
  48        int (*tuner_get_bandwidth) (struct dvb_frontend *fe, u32 *bandwidth);
  49        int (*tuner_set_bbgain) (struct dvb_frontend *fe, u32 gain);
  50        int (*tuner_get_bbgain) (struct dvb_frontend *fe, u32 *gain);
  51        int (*tuner_set_refclk)  (struct dvb_frontend *fe, u32 refclk);
  52        int (*tuner_get_status) (struct dvb_frontend *fe, u32 *status);
  53};
  54
  55
  56#if IS_REACHABLE(CONFIG_DVB_STV6110x)
  57
  58extern const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
  59                                               const struct stv6110x_config *config,
  60                                               struct i2c_adapter *i2c);
  61
  62#else
  63static inline const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
  64                                                      const struct stv6110x_config *config,
  65                                                      struct i2c_adapter *i2c)
  66{
  67        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  68        return NULL;
  69}
  70
  71#endif /* CONFIG_DVB_STV6110x */
  72
  73#endif /* __STV6110x_H */
  74