/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
        Frontend-driver for TwinHan DST Frontend

        Copyright (C) 2003 Jamie Honan
        Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)

*/

#ifndef DST_COMMON_H
#define DST_COMMON_H

#include <linux/dvb/frontend.h>
#include <linux/device.h>
#include <linux/mutex.h>
#include "bt878.h"

#include "dst_ca.h"


#define NO_DELAY                0
#define LONG_DELAY              1
#define DEVICE_INIT             2

#define DELAY                   1

#define DST_TYPE_IS_SAT         0
#define DST_TYPE_IS_TERR        1
#define DST_TYPE_IS_CABLE       2
#define DST_TYPE_IS_ATSC        3

#define DST_TYPE_HAS_TS188      1
#define DST_TYPE_HAS_TS204      2
#define DST_TYPE_HAS_SYMDIV     4
#define DST_TYPE_HAS_FW_1       8
#define DST_TYPE_HAS_FW_2       16
#define DST_TYPE_HAS_FW_3       32
#define DST_TYPE_HAS_FW_BUILD   64
#define DST_TYPE_HAS_OBS_REGS   128
#define DST_TYPE_HAS_INC_COUNT  256
#define DST_TYPE_HAS_MULTI_FE   512
#define DST_TYPE_HAS_NEWTUNE_2  1024
#define DST_TYPE_HAS_DBOARD     2048
#define DST_TYPE_HAS_VLF        4096

/*      Card capability list    */

#define DST_TYPE_HAS_MAC        1
#define DST_TYPE_HAS_DISEQC3    2
#define DST_TYPE_HAS_DISEQC4    4
#define DST_TYPE_HAS_DISEQC5    8
#define DST_TYPE_HAS_MOTO       16
#define DST_TYPE_HAS_CA         32
#define DST_TYPE_HAS_ANALOG     64      /*      Analog inputs   */
#define DST_TYPE_HAS_SESSION    128

#define TUNER_TYPE_MULTI        1
#define TUNER_TYPE_UNKNOWN      2
/*      DVB-S           */
#define TUNER_TYPE_L64724       4
#define TUNER_TYPE_STV0299      8
#define TUNER_TYPE_MB86A15      16

/*      DVB-T           */
#define TUNER_TYPE_TDA10046     32

/*      ATSC            */
#define TUNER_TYPE_NXT200x      64


#define RDC_8820_PIO_0_DISABLE  0
#define RDC_8820_PIO_0_ENABLE   1
#define RDC_8820_INT            2
#define RDC_8820_RESET          4

/*      DST Communication       */
#define GET_REPLY               1
#define NO_REPLY                0

#define GET_ACK                 1
#define FIXED_COMM              8

#define ACK                     0xff

struct dst_state {

        struct i2c_adapter* i2c;

        struct bt878* bt;

        /* configuration settings */
        const struct dst_config* config;

        struct dvb_frontend frontend;

        /* private ASIC data */
        u8 tx_tuna[10];
        u8 rx_tuna[10];
        u8 rxbuffer[10];
        u8 diseq_flags;
        u8 dst_type;
        u32 type_flags;
        u32 frequency;          /* intermediate frequency in kHz for QPSK */
        enum fe_spectral_inversion inversion;
        u32 symbol_rate;        /* symbol rate in Symbols per second */
        enum fe_code_rate fec;
        enum fe_sec_voltage voltage;
        enum fe_sec_tone_mode tone;
        u32 decode_freq;
        u8 decode_lock;
        u16 decode_strength;
        u16 decode_snr;
        unsigned long cur_jiff;
        u8 k22;
        u32 bandwidth;
        u32 dst_hw_cap;
        u8 dst_fw_version;
        enum fe_sec_mini_cmd minicmd;
        enum fe_modulation modulation;
        u8 messages[256];
        u8 mac_address[8];
        u8 fw_version[8];
        u8 card_info[8];
        u8 vendor[8];
        u8 board_info[8];
        u32 tuner_type;
        char *tuner_name;
        struct mutex dst_mutex;
        char fw_name[8];
        struct dvb_device *dst_ca;
};

struct tuner_types {
        u32 tuner_type;
        char *tuner_name;
        char *board_name;
        char *fw_name;
};

struct dst_types {
        char *device_id;
        int offset;
        u8 dst_type;
        u32 type_flags;
        u32 dst_feature;
        u32 tuner_type;
};

struct dst_config
{
        /* the ASIC i2c address */
        u8 demod_address;
};

int rdc_reset_state(struct dst_state *state);

int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode);
int dst_pio_disable(struct dst_state *state);
int dst_error_recovery(struct dst_state* state);
int dst_error_bailout(struct dst_state *state);
int dst_comm_init(struct dst_state* state);

int write_dst(struct dst_state *state, u8 * data, u8 len);
int read_dst(struct dst_state *state, u8 * ret, u8 len);
u8 dst_check_sum(u8 * buf, u32 len);
struct dst_state* dst_attach(struct dst_state* state, struct dvb_adapter *dvb_adapter);
struct dvb_device *dst_ca_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter);


#endif // DST_COMMON_H