drivers/staging/media/cxd2099/cxd2099.h

   1 /*
   2  * cxd2099.h: Driver for the CXD2099AR Common Interface Controller
   3  *
   4  * Copyright (C) 2010-2011 Digital Devices GmbH
   5  *
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * version 2 only, as published by the Free Software Foundation.
  10  *
  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  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  21  * 02110-1301, USA
  22  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
  23  */
  24
  25 #ifndef _CXD2099_H_
  26 #define _CXD2099_H_
  27
  28 #include <dvb_ca_en50221.h>
  29
  30 struct cxd2099_cfg {
  31         u32 bitrate;
  32         u8  adr;
  33         u8  polarity:1;
  34         u8  clock_mode:1;
  35 };
  36
  37 #if defined(CONFIG_DVB_CXD2099) || \
  38         (defined(CONFIG_DVB_CXD2099_MODULE) && defined(MODULE))
  39 struct dvb_ca_en50221 *cxd2099_attach(struct cxd2099_cfg *cfg,
  40                                       void *priv, struct i2c_adapter *i2c);
  41 #else
  42
  43 static inline struct dvb_ca_en50221 *cxd2099_attach(struct cxd2099_cfg *cfg,
  44                                         void *priv, struct i2c_adapter *i2c)
  45 {
  46         dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__);
  47         return NULL;
  48 }
  49 #endif
  50
  51 #endif