linux/drivers/media/dvb-frontends/lnbh25.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * lnbh25.c
 *
 * Driver for LNB supply and control IC LNBH25
 *
 * Copyright (C) 2014 NetUP Inc.
 * Copyright (C) 2014 Sergey Kozlov <[email protected]>
 * Copyright (C) 2014 Abylay Ospan <[email protected]>
 */

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

#include <media/dvb_frontend.h>
#include "lnbh25.h"

/**
 * struct lnbh25_priv - LNBH25 driver private data
 * @i2c:		pointer to the I2C adapter structure
 * @i2c_address:	I2C address of LNBH25 SEC chip
 * @config:		Registers configuration:
 *			offset 0: 1st register address, always 0x02 (DATA1)
 *			offset 1: DATA1 register value
 *			offset 2: DATA2 register value
 */
struct lnbh25_priv { … };

#define LNBH25_STATUS_OFL …
#define LNBH25_STATUS_VMON …
#define LNBH25_VSEL_13 …
#define LNBH25_VSEL_18 …

static int lnbh25_read_vmon(struct lnbh25_priv *priv)
{ … }

static int lnbh25_set_voltage(struct dvb_frontend *fe,
			      enum fe_sec_voltage voltage)
{ … }

static void lnbh25_release(struct dvb_frontend *fe)
{ … }

struct dvb_frontend *lnbh25_attach(struct dvb_frontend *fe,
				   struct lnbh25_config *cfg,
				   struct i2c_adapter *i2c)
{ … }
EXPORT_SYMBOL_GPL(…);

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