LXR linux/drivers/media/dvb-frontends/stv0288.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3        Driver for ST STV0288 demodulator
   4
   5        Copyright (C) 2006 Georg Acher, BayCom GmbH, acher (at) baycom (dot) de
   6                for Reel Multimedia
   7        Copyright (C) 2008 TurboSight.com, <bob@turbosight.com>
   8        Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by>
   9                Removed stb6000 specific tuner code and revised some
  10                procedures.
  11
  12
  13*/
  14
  15#ifndef STV0288_H
  16#define STV0288_H
  17
  18#include <linux/dvb/frontend.h>
  19#include <media/dvb_frontend.h>
  20
  21struct stv0288_config {
  22        /* the demodulator's i2c address */
  23        u8 demod_address;
  24
  25        u8* inittab;
  26
  27        /* minimum delay before retuning */
  28        int min_delay_ms;
  29
  30        int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
  31};
  32
  33#if IS_REACHABLE(CONFIG_DVB_STV0288)
  34extern struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
  35                                           struct i2c_adapter *i2c);
  36#else
  37static inline struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
  38                                           struct i2c_adapter *i2c)
  39{
  40        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  41        return NULL;
  42}
  43#endif /* CONFIG_DVB_STV0288 */
  44
  45static inline int stv0288_writereg(struct dvb_frontend *fe, u8 reg, u8 val)
  46{
  47        int r = 0;
  48        u8 buf[] = { reg, val };
  49        if (fe->ops.write)
  50                r = fe->ops.write(fe, buf, 2);
  51        return r;
  52}
  53
  54#endif /* STV0288_H */
  55