xref: /openbmc/linux/drivers/media/dvb-frontends/stv0299.h (revision 74ba9207)

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
    Driver for ST STV0299 demodulator

    Copyright (C) 2001-2002 Convergence Integrated Media GmbH
	<ralph@convergence.de>,
	<holger@convergence.de>,
	<js@convergence.de>


    Philips SU1278/SH

    Copyright (C) 2002 by Peter Schildmann <peter.schildmann@web.de>


    LG TDQF-S001F

    Copyright (C) 2002 Felix Domke <tmbinc@elitedvb.net>
		     & Andreas Oberritter <obi@linuxtv.org>


    Support for Samsung TBMU24112IMB used on Technisat SkyStar2 rev. 2.6B

    Copyright (C) 2003 Vadim Catana <skystar@moldova.cc>:

    Support for Philips SU1278 on Technotrend hardware

    Copyright (C) 2004 Andrew de Quincey <adq_dvb@lidskialf.net>


*/

#ifndef STV0299_H
#define STV0299_H

#include <linux/dvb/frontend.h>
#include <media/dvb_frontend.h>

#define STV0299_LOCKOUTPUT_0  0
#define STV0299_LOCKOUTPUT_1  1
#define STV0299_LOCKOUTPUT_CF 2
#define STV0299_LOCKOUTPUT_LK 3

#define STV0299_VOLT13_OP0 0
#define STV0299_VOLT13_OP1 1

struct stv0299_config
{
	/* the demodulator's i2c address */
	u8 demod_address;

	/* inittab - array of pairs of values.
	 * First of each pair is the register, second is the value.
	 * List should be terminated with an 0xff, 0xff pair.
	 */
	const u8* inittab;

	/* master clock to use */
	u32 mclk;

	/* does the inversion require inversion? */
	u8 invert:1;

	/* Skip reinitialisation? */
	u8 skip_reinit:1;

	/* LOCK OUTPUT setting */
	u8 lock_output:2;

	/* Is 13v controlled by OP0 or OP1? */
	u8 volt13_op0_op1:1;

	/* Turn-off OP0? */
	u8 op0_off:1;

	/* minimum delay before retuning */
	int min_delay_ms;

	/* Set the symbol rate */
	int (*set_symbol_rate)(struct dvb_frontend *fe, u32 srate, u32 ratio);

	/* Set device param to start dma */
	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
};

#if IS_REACHABLE(CONFIG_DVB_STV0299)
extern struct dvb_frontend *stv0299_attach(const struct stv0299_config *config,
					   struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *stv0299_attach(const struct stv0299_config *config,
					   struct i2c_adapter *i2c)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif // CONFIG_DVB_STV0299

static inline int stv0299_writereg(struct dvb_frontend *fe, u8 reg, u8 val) {
	int r = 0;
	u8 buf[] = {reg, val};
	if (fe->ops.write)
		r = fe->ops.write(fe, buf, 2);
	return r;
}

#endif // STV0299_H