drivers/media/dvb-frontends/cxd2841er.h

   1 /*
   2  * cxd2841er.h
   3  *
   4  * Sony CXD2441ER digital demodulator driver public definitions
   5  *
   6  * Copyright 2012 Sony Corporation
   7  * Copyright (C) 2014 NetUP Inc.
   8  * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>
   9  * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20   */
  21
  22 #ifndef CXD2841ER_H
  23 #define CXD2841ER_H
  24
  25 #include <linux/kconfig.h>
  26 #include <linux/dvb/frontend.h>
  27
  28 struct cxd2841er_config {
  29         u8      i2c_addr;
  30 };
  31
  32 #if IS_REACHABLE(CONFIG_DVB_CXD2841ER)
  33 extern struct dvb_frontend *cxd2841er_attach_s(struct cxd2841er_config *cfg,
  34                                                struct i2c_adapter *i2c);
  35
  36 extern struct dvb_frontend *cxd2841er_attach_t(struct cxd2841er_config *cfg,
  37                                                struct i2c_adapter *i2c);
  38
  39 extern struct dvb_frontend *cxd2841er_attach_c(struct cxd2841er_config *cfg,
  40                                                struct i2c_adapter *i2c);
  41 #else
  42 static inline struct dvb_frontend *cxd2841er_attach_s(
  43                                         struct cxd2841er_config *cfg,
  44                                         struct i2c_adapter *i2c)
  45 {
  46         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  47         return NULL;
  48 }
  49
  50 static inline struct dvb_frontend *cxd2841er_attach_t(
  51                 struct cxd2841er_config *cfg, struct i2c_adapter *i2c)
  52 {
  53         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  54         return NULL;
  55 }
  56
  57 static inline struct dvb_frontend *cxd2841er_attach_c(
  58                 struct cxd2841er_config *cfg, struct i2c_adapter *i2c)
  59 {
  60         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  61         return NULL;
  62 }
  63 #endif
  64
  65 #endif