LXR linux/drivers/media/tuners/fc0012.h

   1/*
   2 * Fitipower FC0012 tuner driver - include
   3 *
   4 * Copyright (C) 2012 Hans-Frieder Vogt <hfvogt@gmx.net>
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation; either version 2 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21#ifndef _FC0012_H_
  22#define _FC0012_H_
  23
  24#include <linux/kconfig.h>
  25#include "dvb_frontend.h"
  26#include "fc001x-common.h"
  27
  28struct fc0012_config {
  29        /*
  30         * I2C address
  31         */
  32        u8 i2c_address;
  33
  34        /*
  35         * clock
  36         */
  37        enum fc001x_xtal_freq xtal_freq;
  38
  39        bool dual_master;
  40
  41        /*
  42         * RF loop-through
  43         */
  44        bool loop_through;
  45
  46        /*
  47         * clock output
  48         */
  49        bool clock_out;
  50};
  51
  52#if IS_ENABLED(CONFIG_MEDIA_TUNER_FC0012)
  53extern struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
  54                                        struct i2c_adapter *i2c,
  55                                        const struct fc0012_config *cfg);
  56#else
  57static inline struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
  58                                        struct i2c_adapter *i2c,
  59                                        const struct fc0012_config *cfg)
  60{
  61        pr_warn("%s: driver disabled by Kconfig\n", __func__);
  62        return NULL;
  63}
  64#endif
  65
  66#endif
  67