LXR linux/drivers/media/tuners/max2165.h

   1/*
   2 *  Driver for Maxim MAX2165 silicon tuner
   3 *
   4 *  Copyright (c) 2009 David T. L. Wong <davidtlwong@gmail.com>
   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 *
  15 *  GNU General Public License for more details.
  16 */
  17
  18#ifndef __MAX2165_H__
  19#define __MAX2165_H__
  20
  21struct dvb_frontend;
  22struct i2c_adapter;
  23
  24struct max2165_config {
  25        u8 i2c_address;
  26        u8 osc_clk; /* in MHz, selectable values: 4,16,18,20,22,24,26,28 */
  27};
  28
  29#if IS_REACHABLE(CONFIG_MEDIA_TUNER_MAX2165)
  30extern struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
  31        struct i2c_adapter *i2c,
  32        struct max2165_config *cfg);
  33#else
  34static inline struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
  35        struct i2c_adapter *i2c,
  36        struct max2165_config *cfg)
  37{
  38        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  39        return NULL;
  40}
  41#endif
  42
  43#endif
  44