/* SPDX-License-Identifier: GPL-2.0 */
/*
 * xc2028
 *
 * Copyright (c) 2007-2008 Mauro Carvalho Chehab <mchehab@kernel.org>
 */

#ifndef __TUNER_XC2028_H__
#define __TUNER_XC2028_H__

#include <media/dvb_frontend.h>

#define XC2028_DEFAULT_FIRMWARE "xc3028-v27.fw"
#define XC3028L_DEFAULT_FIRMWARE "xc3028L-v36.fw"

/*      Dmoduler                IF (kHz) */
#define XC3028_FE_DEFAULT       0               /* Don't load SCODE */
#define XC3028_FE_LG60          6000
#define XC3028_FE_ATI638        6380
#define XC3028_FE_OREN538       5380
#define XC3028_FE_OREN36        3600
#define XC3028_FE_TOYOTA388     3880
#define XC3028_FE_TOYOTA794     7940
#define XC3028_FE_DIBCOM52      5200
#define XC3028_FE_ZARLINK456    4560
#define XC3028_FE_CHINA         5200

enum firmware_type {
        XC2028_AUTO = 0,        /* By default, auto-detects */
        XC2028_D2633,
        XC2028_D2620,
};

struct xc2028_ctrl {
        char                    *fname;
        int                     max_len;
        int                     msleep;
        unsigned int            scode_table;
        unsigned int            mts   :1;
        unsigned int            input1:1;
        unsigned int            vhfbw7:1;
        unsigned int            uhfbw8:1;
        unsigned int            disable_power_mgmt:1;
        unsigned int            read_not_reliable:1;
        unsigned int            demod;
        enum firmware_type      type:2;
};

struct xc2028_config {
        struct i2c_adapter *i2c_adap;
        u8                 i2c_addr;
        struct xc2028_ctrl *ctrl;
};

/* xc2028 commands for callback */
#define XC2028_TUNER_RESET      0
#define XC2028_RESET_CLK        1
#define XC2028_I2C_FLUSH        2

#if IS_REACHABLE(CONFIG_MEDIA_TUNER_XC2028)
extern struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
                                          struct xc2028_config *cfg);
#else
static inline struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe,
                                                 struct xc2028_config *cfg)
{
        printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
               __func__);
        return NULL;
}
#endif

#endif /* __TUNER_XC2028_H__ */