/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
    Samsung S5H1411 VSB/QAM demodulator driver

    Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>


*/

#ifndef __S5H1411_H__
#define __S5H1411_H__

#include <linux/dvb/frontend.h>

#define S5H1411_I2C_TOP_ADDR (0x32 >> 1)
#define S5H1411_I2C_QAM_ADDR (0x34 >> 1)

struct s5h1411_config {

        /* serial/parallel output */
#define S5H1411_PARALLEL_OUTPUT 0
#define S5H1411_SERIAL_OUTPUT   1
        u8 output_mode;

        /* GPIO Setting */
#define S5H1411_GPIO_OFF 0
#define S5H1411_GPIO_ON  1
        u8 gpio;

        /* MPEG signal timing */
#define S5H1411_MPEGTIMING_CONTINUOUS_INVERTING_CLOCK       0
#define S5H1411_MPEGTIMING_CONTINUOUS_NONINVERTING_CLOCK    1
#define S5H1411_MPEGTIMING_NONCONTINUOUS_INVERTING_CLOCK    2
#define S5H1411_MPEGTIMING_NONCONTINUOUS_NONINVERTING_CLOCK 3
        u16 mpeg_timing;

        /* IF Freq for QAM and VSB in KHz */
#define S5H1411_IF_3250  3250
#define S5H1411_IF_3500  3500
#define S5H1411_IF_4000  4000
#define S5H1411_IF_5380  5380
#define S5H1411_IF_44000 44000
#define S5H1411_VSB_IF_DEFAULT S5H1411_IF_44000
#define S5H1411_QAM_IF_DEFAULT S5H1411_IF_44000
        u16 qam_if;
        u16 vsb_if;

        /* Spectral Inversion */
#define S5H1411_INVERSION_OFF 0
#define S5H1411_INVERSION_ON  1
        u8 inversion;

        /* Return lock status based on tuner lock, or demod lock */
#define S5H1411_TUNERLOCKING 0
#define S5H1411_DEMODLOCKING 1
        u8 status_mode;
};

#if IS_REACHABLE(CONFIG_DVB_S5H1411)
extern struct dvb_frontend *s5h1411_attach(const struct s5h1411_config *config,
                                           struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *s5h1411_attach(
        const struct s5h1411_config *config,
        struct i2c_adapter *i2c)
{
        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
        return NULL;
}
#endif /* CONFIG_DVB_S5H1411 */

#endif /* __S5H1411_H__ */