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

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * drxd.h: DRXD DVB-T demodulator driver
   4 *
   5 * Copyright (C) 2005-2007 Micronas
   6 */
   7
   8#ifndef _DRXD_H_
   9#define _DRXD_H_
  10
  11#include <linux/types.h>
  12#include <linux/i2c.h>
  13
  14struct drxd_config {
  15        u8 index;
  16
  17        u8 pll_address;
  18        u8 pll_type;
  19#define DRXD_PLL_NONE     0
  20#define DRXD_PLL_DTT7520X 1
  21#define DRXD_PLL_MT3X0823 2
  22
  23        u32 clock;
  24        u8 insert_rs_byte;
  25
  26        u8 demod_address;
  27        u8 demoda_address;
  28        u8 demod_revision;
  29
  30        /* If the tuner is not behind an i2c gate, be sure to flip this bit
  31           or else the i2c bus could get wedged */
  32        u8 disable_i2c_gate_ctrl;
  33
  34        u32 IF;
  35         s16(*osc_deviation) (void *priv, s16 dev, int flag);
  36};
  37
  38#if IS_REACHABLE(CONFIG_DVB_DRXD)
  39extern
  40struct dvb_frontend *drxd_attach(const struct drxd_config *config,
  41                                 void *priv, struct i2c_adapter *i2c,
  42                                 struct device *dev);
  43#else
  44static inline
  45struct dvb_frontend *drxd_attach(const struct drxd_config *config,
  46                                 void *priv, struct i2c_adapter *i2c,
  47                                 struct device *dev)
  48{
  49        printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
  50               __func__);
  51        return NULL;
  52}
  53#endif
  54
  55#endif
  56