linux/drivers/media/dvb-frontends/mt352.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Driver for Zarlink DVB-T MT352 demodulator
 *
 *  Written by Holger Waechtler <[email protected]>
 *	 and Daniel Mack <[email protected]>
 *
 *  AVerMedia AVerTV DVB-T 771 support by
 *       Wolfram Joost <[email protected]>
 *
 *  Support for Samsung TDTC9251DH01C(M) tuner
 *  Copyright (C) 2004 Antonio Mancuso <[email protected]>
 *                     Amauri  Celani  <[email protected]>
 *
 *  DVICO FusionHDTV DVB-T1 and DVICO FusionHDTV DVB-T Lite support by
 *       Christopher Pascoe <[email protected]>
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/string.h>
#include <linux/slab.h>

#include <media/dvb_frontend.h>
#include "mt352_priv.h"
#include "mt352.h"

struct mt352_state { … };

static int debug;
#define dprintk(args...) …

static int mt352_single_write(struct dvb_frontend *fe, u8 reg, u8 val)
{ … }

static int _mt352_write(struct dvb_frontend* fe, const u8 ibuf[], int ilen)
{ … }

static int mt352_read_register(struct mt352_state* state, u8 reg)
{ … }

static int mt352_sleep(struct dvb_frontend* fe)
{ … }

static void mt352_calc_nominal_rate(struct mt352_state* state,
				    u32 bandwidth,
				    unsigned char *buf)
{ … }

static void mt352_calc_input_freq(struct mt352_state* state,
				  unsigned char *buf)
{ … }

static int mt352_set_parameters(struct dvb_frontend *fe)
{ … }

static int mt352_get_parameters(struct dvb_frontend* fe,
				struct dtv_frontend_properties *op)
{ … }

static int mt352_read_status(struct dvb_frontend *fe, enum fe_status *status)
{ … }

static int mt352_read_ber(struct dvb_frontend* fe, u32* ber)
{ … }

static int mt352_read_signal_strength(struct dvb_frontend* fe, u16* strength)
{ … }

static int mt352_read_snr(struct dvb_frontend* fe, u16* snr)
{ … }

static int mt352_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
{ … }

static int mt352_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fe_tune_settings)
{ … }

static int mt352_init(struct dvb_frontend* fe)
{ … }

static void mt352_release(struct dvb_frontend* fe)
{ … }

static const struct dvb_frontend_ops mt352_ops;

struct dvb_frontend* mt352_attach(const struct mt352_config* config,
				  struct i2c_adapter* i2c)
{ … }

static const struct dvb_frontend_ops mt352_ops = …;

module_param(debug, int, 0644);
MODULE_PARM_DESC(…) …;

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;

EXPORT_SYMBOL_GPL(…);