drivers/media/dvb-frontends/stv6110x.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3         STV6110(A) Silicon tuner driver
   4
   5         Copyright (C) Manu Abraham <abraham.manu@gmail.com>
   6
   7         Copyright (C) ST Microelectronics
   8
   9 */
  10
  11 #ifndef __STV6110x_H
  12 #define __STV6110x_H
  13
  14 struct stv6110x_config {
  15         u8      addr;
  16         u32     refclk;
  17         u8      clk_div; /* divisor value for the output clock */
  18         struct dvb_frontend             *frontend;
  19
  20         struct stv6110x_devctl* (*get_devctl)(struct i2c_client *i2c);
  21 };
  22
  23 enum tuner_mode {
  24         TUNER_SLEEP = 1,
  25         TUNER_WAKE,
  26 };
  27
  28 enum tuner_status {
  29         TUNER_PHASELOCKED = 1,
  30 };
  31
  32 struct stv6110x_devctl {
  33         int (*tuner_init) (struct dvb_frontend *fe);
  34         int (*tuner_sleep) (struct dvb_frontend *fe);
  35         int (*tuner_set_mode) (struct dvb_frontend *fe, enum tuner_mode mode);
  36         int (*tuner_set_frequency) (struct dvb_frontend *fe, u32 frequency);
  37         int (*tuner_get_frequency) (struct dvb_frontend *fe, u32 *frequency);
  38         int (*tuner_set_bandwidth) (struct dvb_frontend *fe, u32 bandwidth);
  39         int (*tuner_get_bandwidth) (struct dvb_frontend *fe, u32 *bandwidth);
  40         int (*tuner_set_bbgain) (struct dvb_frontend *fe, u32 gain);
  41         int (*tuner_get_bbgain) (struct dvb_frontend *fe, u32 *gain);
  42         int (*tuner_set_refclk)  (struct dvb_frontend *fe, u32 refclk);
  43         int (*tuner_get_status) (struct dvb_frontend *fe, u32 *status);
  44 };
  45
  46
  47 #if IS_REACHABLE(CONFIG_DVB_STV6110x)
  48
  49 extern const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
  50                                                const struct stv6110x_config *config,
  51                                                struct i2c_adapter *i2c);
  52
  53 #else
  54 static inline const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
  55                                                       const struct stv6110x_config *config,
  56                                                       struct i2c_adapter *i2c)
  57 {
  58         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  59         return NULL;
  60 }
  61
  62 #endif /* CONFIG_DVB_STV6110x */
  63
  64 #endif /* __STV6110x_H */