drivers/media/tuners/max2165.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *  Driver for Maxim MAX2165 silicon tuner
   4  *
   5  *  Copyright (c) 2009 David T. L. Wong <davidtlwong@gmail.com>
   6  */
   7
   8 #ifndef __MAX2165_H__
   9 #define __MAX2165_H__
  10
  11 struct dvb_frontend;
  12 struct i2c_adapter;
  13
  14 struct max2165_config {
  15         u8 i2c_address;
  16         u8 osc_clk; /* in MHz, selectable values: 4,16,18,20,22,24,26,28 */
  17 };
  18
  19 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_MAX2165)
  20 extern struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
  21         struct i2c_adapter *i2c,
  22         struct max2165_config *cfg);
  23 #else
  24 static inline struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
  25         struct i2c_adapter *i2c,
  26         struct max2165_config *cfg)
  27 {
  28         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  29         return NULL;
  30 }
  31 #endif
  32
  33 #endif