linux/drivers/media/dvb-frontends/ds3000.h
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   1/*
   2    Montage Technology DS3000 - DVBS/S2 Demodulator driver
   3    Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com>
   4
   5    Copyright (C) 2009-2012 TurboSight.com
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  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 DS3000_H
  23#define DS3000_H
  24
  25#include <linux/kconfig.h>
  26#include <linux/dvb/frontend.h>
  27
  28struct ds3000_config {
  29        /* the demodulator's i2c address */
  30        u8 demod_address;
  31        u8 ci_mode;
  32        /* Set device param to start dma */
  33        int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
  34        /* Hook for Lock LED */
  35        void (*set_lock_led)(struct dvb_frontend *fe, int offon);
  36};
  37
  38#if IS_ENABLED(CONFIG_DVB_DS3000)
  39extern struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
  40                                        struct i2c_adapter *i2c);
  41#else
  42static inline
  43struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
  44                                        struct i2c_adapter *i2c)
  45{
  46        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  47        return NULL;
  48}
  49#endif /* CONFIG_DVB_DS3000 */
  50#endif /* DS3000_H */
  51