drivers/media/dvb-frontends/mb86a20s.h

   1 /*
   2  *   Fujitsu mb86a20s driver
   3  *
   4  *   Copyright (C) 2010 Mauro Carvalho Chehab <mchehab@redhat.com>
   5  *
   6  *   This program is free software; you can redistribute it and/or
   7  *   modify it under the terms of the GNU General Public License as
   8  *   published by the Free Software Foundation version 2.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  *   General Public License for more details.
  14  */
  15
  16 #ifndef MB86A20S_H
  17 #define MB86A20S_H
  18
  19 #include <linux/dvb/frontend.h>
  20
  21 /**
  22  * struct mb86a20s_config - Define the per-device attributes of the frontend
  23  *
  24  * @demod_address:      the demodulator's i2c address
  25  */
  26
  27 struct mb86a20s_config {
  28         u8 demod_address;
  29         bool is_serial;
  30 };
  31
  32 #if defined(CONFIG_DVB_MB86A20S) || (defined(CONFIG_DVB_MB86A20S_MODULE) \
  33         && defined(MODULE))
  34 extern struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
  35                                            struct i2c_adapter *i2c);
  36 extern struct i2c_adapter *mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *);
  37 #else
  38 static inline struct dvb_frontend *mb86a20s_attach(
  39         const struct mb86a20s_config *config, struct i2c_adapter *i2c)
  40 {
  41         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  42         return NULL;
  43 }
  44 static struct i2c_adapter *
  45         mb86a20s_get_tuner_i2c_adapter(struct dvb_frontend *fe)
  46 {
  47         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  48         return NULL;
  49 }
  50 #endif
  51
  52 #endif /* MB86A20S */