linux/drivers/media/dvb-frontends/atbm8830.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *    Support for AltoBeam GB20600 (a.k.a DMB-TH) demodulator
 *    ATBM8830, ATBM8831
 *
 *    Copyright (C) 2009 David T.L. Wong <[email protected]>
 */

#include <asm/div64.h>
#include <media/dvb_frontend.h>

#include "atbm8830.h"
#include "atbm8830_priv.h"

#define dprintk(args...) …

static int debug;

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

static int atbm8830_write_reg(struct atbm_state *priv, u16 reg, u8 data)
{ … }

static int atbm8830_read_reg(struct atbm_state *priv, u16 reg, u8 *p_data)
{ … }

/* Lock register latch so that multi-register read is atomic */
static inline int atbm8830_reglatch_lock(struct atbm_state *priv, int lock)
{ … }

static int set_osc_freq(struct atbm_state *priv, u32 freq /*in kHz*/)
{ … }

static int set_if_freq(struct atbm_state *priv, u32 freq /*in kHz*/)
{ … }

static int is_locked(struct atbm_state *priv, u8 *locked)
{ … }

static int set_agc_config(struct atbm_state *priv,
	u8 min, u8 max, u8 hold_loop)
{ … }

static int set_static_channel_mode(struct atbm_state *priv)
{ … }

static int set_ts_config(struct atbm_state *priv)
{ … }

static int atbm8830_init(struct dvb_frontend *fe)
{ … }


static void atbm8830_release(struct dvb_frontend *fe)
{ … }

static int atbm8830_set_fe(struct dvb_frontend *fe)
{ … }

static int atbm8830_get_fe(struct dvb_frontend *fe,
			   struct dtv_frontend_properties *c)
{ … }

static int atbm8830_get_tune_settings(struct dvb_frontend *fe,
	struct dvb_frontend_tune_settings *fesettings)
{ … }

static int atbm8830_read_status(struct dvb_frontend *fe,
				enum fe_status *fe_status)
{ … }

static int atbm8830_read_ber(struct dvb_frontend *fe, u32 *ber)
{ … }

static int atbm8830_read_signal_strength(struct dvb_frontend *fe, u16 *signal)
{ … }

static int atbm8830_read_snr(struct dvb_frontend *fe, u16 *snr)
{ … }

static int atbm8830_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{ … }

static int atbm8830_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
{ … }

static const struct dvb_frontend_ops atbm8830_ops = …;

struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config,
	struct i2c_adapter *i2c)
{ … }
EXPORT_SYMBOL_GPL(…);

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