drivers/media/dvb-frontends/or51211.h

   1 /*
   2  *    Support for OR51211 (pcHDTV HD-2000) - VSB
   3  *
   4  *    Copyright (C) 2005 Kirk Lapray <kirk_lapray@bigfoot.com>
   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  *    GNU General Public License for more details.
  15  *
  16  *    You should have received a copy of the GNU General Public License
  17  *    along with this program; if not, write to the Free Software
  18  *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  *
  20 */
  21
  22 #ifndef OR51211_H
  23 #define OR51211_H
  24
  25 #include <linux/dvb/frontend.h>
  26 #include <linux/firmware.h>
  27
  28 struct or51211_config
  29 {
  30         /* The demodulator's i2c address */
  31         u8 demod_address;
  32
  33         /* Request firmware for device */
  34         int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
  35         void (*setmode)(struct dvb_frontend * fe, int mode);
  36         void (*reset)(struct dvb_frontend * fe);
  37         void (*sleep)(struct dvb_frontend * fe);
  38 };
  39
  40 #if IS_REACHABLE(CONFIG_DVB_OR51211)
  41 extern struct dvb_frontend* or51211_attach(const struct or51211_config* config,
  42                                            struct i2c_adapter* i2c);
  43 #else
  44 static inline struct dvb_frontend* or51211_attach(const struct or51211_config* config,
  45                                            struct i2c_adapter* i2c)
  46 {
  47         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  48         return NULL;
  49 }
  50 #endif // CONFIG_DVB_OR51211
  51
  52 #endif // OR51211_H
  53