linux/drivers/media/dvb-frontends/cx22700.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
    Conexant cx22700 DVB OFDM demodulator driver

    Copyright (C) 2001-2002 Convergence Integrated Media GmbH
	Holger Waechtler <[email protected]>


*/

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <media/dvb_frontend.h>
#include "cx22700.h"


struct cx22700_state { … };


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

static u8 init_tab [] = …;


static int cx22700_writereg (struct cx22700_state* state, u8 reg, u8 data)
{ … }

static int cx22700_readreg (struct cx22700_state* state, u8 reg)
{ … }

static int cx22700_set_inversion (struct cx22700_state* state, int inversion)
{ … }

static int cx22700_set_tps(struct cx22700_state *state,
			   struct dtv_frontend_properties *p)
{ … }

static int cx22700_get_tps(struct cx22700_state *state,
			   struct dtv_frontend_properties *p)
{ … }

static int cx22700_init (struct dvb_frontend* fe)

{ … }

static int cx22700_read_status(struct dvb_frontend *fe, enum fe_status *status)
{ … }

static int cx22700_read_ber(struct dvb_frontend* fe, u32* ber)
{ … }

static int cx22700_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength)
{ … }

static int cx22700_read_snr(struct dvb_frontend* fe, u16* snr)
{ … }

static int cx22700_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
{ … }

static int cx22700_set_frontend(struct dvb_frontend *fe)
{ … }

static int cx22700_get_frontend(struct dvb_frontend *fe,
				struct dtv_frontend_properties *c)
{ … }

static int cx22700_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
{ … }

static int cx22700_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
{ … }

static void cx22700_release(struct dvb_frontend* fe)
{ … }

static const struct dvb_frontend_ops cx22700_ops;

struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
				    struct i2c_adapter* i2c)
{ … }

static const struct dvb_frontend_ops cx22700_ops = …;

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

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

EXPORT_SYMBOL_GPL(…);