drivers/media/dvb-frontends/sp8870.h

   1 /*
   2     Driver for Spase SP8870 demodulator
   3
   4     Copyright (C) 1999 Juergen Peitz
   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
  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
  23 #ifndef SP8870_H
  24 #define SP8870_H
  25
  26 #include <linux/dvb/frontend.h>
  27 #include <linux/firmware.h>
  28
  29 struct sp8870_config
  30 {
  31         /* the demodulator's i2c address */
  32         u8 demod_address;
  33
  34         /* request firmware for device */
  35         int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
  36 };
  37
  38 #if IS_REACHABLE(CONFIG_DVB_SP8870)
  39 extern struct dvb_frontend* sp8870_attach(const struct sp8870_config* config,
  40                                           struct i2c_adapter* i2c);
  41 #else
  42 static inline struct dvb_frontend* sp8870_attach(const struct sp8870_config* config,
  43                                           struct i2c_adapter* i2c)
  44 {
  45         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  46         return NULL;
  47 }
  48 #endif // CONFIG_DVB_SP8870
  49
  50 #endif // SP8870_H