drivers/media/dvb-frontends/tda8261.h

   1 /*
   2         TDA8261 8PSK/QPSK tuner driver
   3         Copyright (C) Manu Abraham (abraham.manu@gmail.com)
   4
   5         This program is free software; you can redistribute it and/or modify
   6         it under the terms of the GNU General Public License as published by
   7         the Free Software Foundation; either version 2 of the License, or
   8         (at your option) any later version.
   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
  13         GNU General Public License for more details.
  14
  15         You should have received a copy of the GNU General Public License
  16         along with this program; if not, write to the Free Software
  17         Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18 */
  19
  20 #ifndef __TDA8261_H
  21 #define __TDA8261_H
  22
  23 enum tda8261_step {
  24         TDA8261_STEP_2000 = 0,  /* 2000 kHz */
  25         TDA8261_STEP_1000,      /* 1000 kHz */
  26         TDA8261_STEP_500,       /*  500 kHz */
  27         TDA8261_STEP_250,       /*  250 kHz */
  28         TDA8261_STEP_125        /*  125 kHz */
  29 };
  30
  31 struct tda8261_config {
  32 //      u8                      buf[16];
  33         u8                      addr;
  34         enum tda8261_step       step_size;
  35 };
  36
  37 #if IS_REACHABLE(CONFIG_DVB_TDA8261)
  38
  39 extern struct dvb_frontend *tda8261_attach(struct dvb_frontend *fe,
  40                                            const struct tda8261_config *config,
  41                                            struct i2c_adapter *i2c);
  42
  43 #else
  44
  45 static inline struct dvb_frontend *tda8261_attach(struct dvb_frontend *fe,
  46                                                   const struct tda8261_config *config,
  47                                                   struct i2c_adapter *i2c)
  48 {
  49         printk(KERN_WARNING "%s: Driver disabled by Kconfig\n", __func__);
  50         return NULL;
  51 }
  52
  53 #endif //CONFIG_DVB_TDA8261
  54
  55 #endif// __TDA8261_H