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 *  You should have received a copy of the GNU General Public License
  18 *  along with this program; if not, write to the Free Software
  19 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22#ifndef __MAX2165_H__
  23#define __MAX2165_H__
  24
  25#include <linux/kconfig.h>
  26
  27struct dvb_frontend;
  28struct i2c_adapter;
  29
  30struct max2165_config {
  31        u8 i2c_address;
  32        u8 osc_clk; /* in MHz, selectable values: 4,16,18,20,22,24,26,28 */
  33};
  34
  35#if IS_ENABLED(CONFIG_MEDIA_TUNER_MAX2165)
  36extern struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
  37        struct i2c_adapter *i2c,
  38        struct max2165_config *cfg);
  39#else
  40static inline struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
  41        struct i2c_adapter *i2c,
  42        struct max2165_config *cfg)
  43{
  44        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  45        return NULL;
  46}
  47#endif
  48
  49#endif
  50