LXR linux/drivers/media/tuners/mt2131.h

   1/*
   2 *  Driver for Microtune MT2131 "QAM/8VSB single chip tuner"
   3 *
   4 *  Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
   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 __MT2131_H__
  23#define __MT2131_H__
  24
  25struct dvb_frontend;
  26struct i2c_adapter;
  27
  28struct mt2131_config {
  29        u8 i2c_address;
  30        u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */
  31};
  32
  33#if IS_ENABLED(CONFIG_MEDIA_TUNER_MT2131)
  34extern struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
  35                                          struct i2c_adapter *i2c,
  36                                          struct mt2131_config *cfg,
  37                                          u16 if1);
  38#else
  39static inline struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
  40                                                 struct i2c_adapter *i2c,
  41                                                 struct mt2131_config *cfg,
  42                                                 u16 if1)
  43{
  44        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  45        return NULL;
  46}
  47#endif /* CONFIG_MEDIA_TUNER_MT2131 */
  48
  49#endif /* __MT2131_H__ */
  50
  51/*
  52 * Local variables:
  53 * c-basic-offset: 8
  54 */
  55