linux/drivers/media/dvb-frontends/tda10023.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
    TDA10023  - DVB-C decoder
    (as used in Philips CU1216-3 NIM and the Reelbox DVB-C tuner card)

    Copyright (C) 2005 Georg Acher, BayCom GmbH (acher at baycom dot de)
    Copyright (c) 2006 Hartmut Birr (e9hack at gmail dot com)

    Remotely based on tda10021.c
    Copyright (C) 1999 Convergence Integrated Media GmbH <[email protected]>
    Copyright (C) 2004 Markus Schulz <[email protected]>
		   Support for TDA10021

*/

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

#include <asm/div64.h>

#include <media/dvb_frontend.h>
#include "tda1002x.h"

#define REG0_INIT_VAL …

struct tda10023_state { … };

#define dprintk(x...) …

static int verbose;

static u8 tda10023_readreg (struct tda10023_state* state, u8 reg)
{ … }

static int tda10023_writereg (struct tda10023_state* state, u8 reg, u8 data)
{ … }


static int tda10023_writebit (struct tda10023_state* state, u8 reg, u8 mask,u8 data)
{ … }

static void tda10023_writetab(struct tda10023_state* state, u8* tab)
{ … }

//get access to tuner
static int lock_tuner(struct tda10023_state* state)
{ … }

//release access from tuner
static int unlock_tuner(struct tda10023_state* state)
{ … }

static int tda10023_setup_reg0 (struct tda10023_state* state, u8 reg0)
{ … }

static int tda10023_set_symbolrate (struct tda10023_state* state, u32 sr)
{ … }

static int tda10023_init (struct dvb_frontend *fe)
{ … }

struct qam_params { … };

static int tda10023_set_parameters(struct dvb_frontend *fe)
{ … }

static int tda10023_read_status(struct dvb_frontend *fe,
				enum fe_status *status)
{ … }

static int tda10023_read_ber(struct dvb_frontend* fe, u32* ber)
{ … }

static int tda10023_read_signal_strength(struct dvb_frontend* fe, u16* strength)
{ … }

static int tda10023_read_snr(struct dvb_frontend* fe, u16* snr)
{ … }

static int tda10023_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
{ … }

static int tda10023_get_frontend(struct dvb_frontend *fe,
				 struct dtv_frontend_properties *p)
{ … }

static int tda10023_sleep(struct dvb_frontend* fe)
{ … }

static int tda10023_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
{ … }

static void tda10023_release(struct dvb_frontend* fe)
{ … }

static const struct dvb_frontend_ops tda10023_ops;

struct dvb_frontend *tda10023_attach(const struct tda10023_config *config,
				     struct i2c_adapter *i2c,
				     u8 pwm)
{ … }

static const struct dvb_frontend_ops tda10023_ops = …;


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

EXPORT_SYMBOL_GPL(…);