LXR linux/drivers/media/tuners/fc2580.h

   1/*
   2 * FCI FC2580 silicon tuner driver
   3 *
   4 * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
   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 along
  17 *    with this program; if not, write to the Free Software Foundation, Inc.,
  18 *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 */
  20
  21#ifndef FC2580_H
  22#define FC2580_H
  23
  24#include <linux/kconfig.h>
  25#include "dvb_frontend.h"
  26
  27struct fc2580_config {
  28        /*
  29         * I2C address
  30         * 0x56, ...
  31         */
  32        u8 i2c_addr;
  33
  34        /*
  35         * clock
  36         */
  37        u32 clock;
  38};
  39
  40#if IS_ENABLED(CONFIG_MEDIA_TUNER_FC2580)
  41extern struct dvb_frontend *fc2580_attach(struct dvb_frontend *fe,
  42        struct i2c_adapter *i2c, const struct fc2580_config *cfg);
  43#else
  44static inline struct dvb_frontend *fc2580_attach(struct dvb_frontend *fe,
  45        struct i2c_adapter *i2c, const struct fc2580_config *cfg)
  46{
  47        pr_warn("%s: driver disabled by Kconfig\n", __func__);
  48        return NULL;
  49}
  50#endif
  51
  52#endif
  53