LXR linux/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
  14struct 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
  23enum tuner_mode {
  24        TUNER_SLEEP = 1,
  25        TUNER_WAKE,
  26};
  27
  28enum tuner_status {
  29        TUNER_PHASELOCKED = 1,
  30};
  31
  32struct 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
  49extern const struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
  50                                               const struct stv6110x_config *config,
  51                                               struct i2c_adapter *i2c);
  52
  53#else
  54static 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 */
  65