drivers/media/dvb-frontends/tda8261.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3         TDA8261 8PSK/QPSK tuner driver
   4         Copyright (C) Manu Abraham (abraham.manu@gmail.com)
   5
   6 */
   7
   8 #ifndef __TDA8261_H
   9 #define __TDA8261_H
  10
  11 enum tda8261_step {
  12         TDA8261_STEP_2000 = 0,  /* 2000 kHz */
  13         TDA8261_STEP_1000,      /* 1000 kHz */
  14         TDA8261_STEP_500,       /*  500 kHz */
  15         TDA8261_STEP_250,       /*  250 kHz */
  16         TDA8261_STEP_125        /*  125 kHz */
  17 };
  18
  19 struct tda8261_config {
  20 //      u8                      buf[16];
  21         u8                      addr;
  22         enum tda8261_step       step_size;
  23 };
  24
  25 #if IS_REACHABLE(CONFIG_DVB_TDA8261)
  26
  27 extern struct dvb_frontend *tda8261_attach(struct dvb_frontend *fe,
  28                                            const struct tda8261_config *config,
  29                                            struct i2c_adapter *i2c);
  30
  31 #else
  32
  33 static inline struct dvb_frontend *tda8261_attach(struct dvb_frontend *fe,
  34                                                   const struct tda8261_config *config,
  35                                                   struct i2c_adapter *i2c)
  36 {
  37         printk(KERN_WARNING "%s: Driver disabled by Kconfig\n", __func__);
  38         return NULL;
  39 }
  40
  41 #endif //CONFIG_DVB_TDA8261
  42
  43 #endif// __TDA8261_H