include/frontend.h

/*
 * frontend.h
 *
 * Copyright (C) 2000 Marcus Metzler <marcus@convergence.de>
 *            Ralph  Metzler <ralph@convergence.de>
 *            Holger Waechtler <holger@convergence.de>
 *            Andre Draszik <ad@convergence.de>
 *            for convergence integrated media GmbH
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

#ifndef _DVBFRONTEND_H_
#define _DVBFRONTEND_H_

#define CONFIG_AMLOGIC_DVB_COMPAT
#include <linux/types.h>
#ifdef CONFIG_AMLOGIC_DVB_COMPAT
#include <linux/videodev2.h>
#endif

enum fe_type {
    FE_QPSK,
    FE_QAM,
    FE_OFDM,
    FE_ATSC,
#ifdef CONFIG_AMLOGIC_DVB_COMPAT
    FE_ANALOG,
    FE_DTMB,
    FE_ISDBT
#endif
};

enum fe_caps {
    FE_IS_STUPID            = 0,
    FE_CAN_INVERSION_AUTO    = 0x1,
    FE_CAN_FEC_1_2            = 0x2,
    FE_CAN_FEC_2_3            = 0x4,
    FE_CAN_FEC_3_4            = 0x8,
    FE_CAN_FEC_4_5            = 0x10,
    FE_CAN_FEC_5_6            = 0x20,
    FE_CAN_FEC_6_7            = 0x40,
    FE_CAN_FEC_7_8            = 0x80,
    FE_CAN_FEC_8_9            = 0x100,
    FE_CAN_FEC_AUTO            = 0x200,
    FE_CAN_QPSK            = 0x400,
    FE_CAN_QAM_16            = 0x800,
    FE_CAN_QAM_32            = 0x1000,
    FE_CAN_QAM_64            = 0x2000,
    FE_CAN_QAM_128            = 0x4000,
    FE_CAN_QAM_256            = 0x8000,
    FE_CAN_QAM_AUTO            = 0x10000,
    FE_CAN_TRANSMISSION_MODE_AUTO    = 0x20000,
    FE_CAN_BANDWIDTH_AUTO        = 0x40000,
    FE_CAN_GUARD_INTERVAL_AUTO    = 0x80000,
    FE_CAN_HIERARCHY_AUTO        = 0x100000,
    FE_CAN_8VSB            = 0x200000,
    FE_CAN_16VSB            = 0x400000,
/* We need more bitspace for newer APIs, indicate this. */
    FE_HAS_EXTENDED_CAPS            = 0x800000,
    FE_CAN_MULTISTREAM        = 0x4000000,  /* frontend supports multistream filtering */
    FE_CAN_TURBO_FEC        = 0x8000000,  /* frontend supports "turbo fec modulation" */
/* frontend supports "2nd generation modulation" (DVB-S2) */
    FE_CAN_2G_MODULATION            = 0x10000000,
    FE_NEEDS_BENDING        = 0x20000000, /* not supported anymore, don't use (frontend requires frequency bending) */
    FE_CAN_RECOVER            = 0x40000000, /* frontend can recover from a cable unplug automatically */
    FE_CAN_MUTE_TS            = 0x80000000  /* frontend can stop spurious TS data output */
};
#ifdef CONFIG_AMLOGIC_DVB_COMPAT
#define FE_CAN_3_LAYER FE_CAN_MULTISTREAM
#endif
struct dvb_frontend_info {
    char       name[128];
    enum fe_type type;    /* DEPRECATED. Use DTV_ENUM_DELSYS instead */
    __u32      frequency_min;
    __u32      frequency_max;
    __u32      frequency_stepsize;
    __u32      frequency_tolerance;
    __u32      symbol_rate_min;
    __u32      symbol_rate_max;
    __u32      symbol_rate_tolerance;    /* ppm */
    __u32      notifier_delay;        /* DEPRECATED */
    enum fe_caps caps;
};


/**
 *  Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
 *  the meaning of this struct...
 */
struct dvb_diseqc_master_cmd {
    __u8 msg [6];    /*  { framing, address, command, data [3] } */
    __u8 msg_len;    /*  valid values are 3...6  */
};

struct dvb_diseqc_slave_reply {
    __u8 msg [4];    /*  { framing, data [3] } */
    __u8 msg_len;    /*  valid values are 0...4, 0 means no msg  */
    int  timeout;    /*  return from ioctl after timeout ms with */
};            /*  errorcode when no message was received  */

enum fe_sec_voltage {
    SEC_VOLTAGE_13,
    SEC_VOLTAGE_18,
    SEC_VOLTAGE_OFF,
};

enum fe_sec_tone_mode {
    SEC_TONE_ON,
    SEC_TONE_OFF
};

enum fe_sec_mini_cmd {
    SEC_MINI_A,
    SEC_MINI_B
};

/**
 * enum fe_status - enumerates the possible frontend status
 * @FE_HAS_SIGNAL:    found something above the noise level
 * @FE_HAS_CARRIER:    found a DVB signal
 * @FE_HAS_VITERBI:    FEC is stable
 * @FE_HAS_SYNC:    found sync bytes
 * @FE_HAS_LOCK:    everything's working
 * @FE_TIMEDOUT:    no lock within the last ~2 seconds
 * @FE_REINIT:        frontend was reinitialized, application is recommended
 *            to reset DiSEqC, tone and parameters
 */
enum fe_status {
    FE_HAS_SIGNAL    = 0x01,   /* found something above the noise level */
    FE_HAS_CARRIER    = 0x02,   /* found a DVB signal  */
    FE_HAS_VITERBI    = 0x04,   /* FEC is stable  */
    FE_HAS_SYNC    = 0x08,   /* found sync bytes  */
    FE_HAS_LOCK    = 0x10,   /* everything's working... */
    FE_TIMEDOUT    = 0x20,   /* no lock within the last ~2 seconds */
    FE_REINIT    = 0x40,    /* frontend was reinitialized,  */
#ifdef CONFIG_AMLOGIC_DVB_COMPAT
    BLINDSCAN_NONEDO = 0x80, /* not blind scan  */
    BLINDSCAN_UPDATESTARTFREQ = 0x100, /* blind scan update start freq  */
    BLINDSCAN_UPDATEPROCESS   = 0x200, /* blind scan update process  */
    BLINDSCAN_UPDATERESULTFREQ = 0x400/* blind scan update result  */
#endif
}; /* application is recommended to reset */
/* DiSEqC, tone and parameters */

enum fe_spectral_inversion {
    INVERSION_OFF,
    INVERSION_ON,
    INVERSION_AUTO
};

enum fe_code_rate {
    FEC_NONE = 0,
    FEC_1_2,
    FEC_2_3,
    FEC_3_4,
    FEC_4_5,
    FEC_5_6,
    FEC_6_7,
    FEC_7_8,
    FEC_8_9,
    FEC_AUTO,
    FEC_3_5,
    FEC_9_10,
    FEC_2_5,
};

enum fe_modulation {
    QPSK,
    QAM_16,
    QAM_32,
    QAM_64,
    QAM_128,
    QAM_256,
    QAM_AUTO,
    VSB_8,
    VSB_16,
    PSK_8,
    APSK_16,
    APSK_32,
    DQPSK,
    QAM_4_NR,
};

enum fe_transmit_mode {
    TRANSMISSION_MODE_2K,
    TRANSMISSION_MODE_8K,
    TRANSMISSION_MODE_AUTO,
    TRANSMISSION_MODE_4K,
    TRANSMISSION_MODE_1K,
    TRANSMISSION_MODE_16K,
    TRANSMISSION_MODE_32K,
    TRANSMISSION_MODE_C1,
    TRANSMISSION_MODE_C3780,
};

enum fe_guard_interval {
    GUARD_INTERVAL_1_32,
    GUARD_INTERVAL_1_16,
    GUARD_INTERVAL_1_8,
    GUARD_INTERVAL_1_4,
    GUARD_INTERVAL_AUTO,
    GUARD_INTERVAL_1_128,
    GUARD_INTERVAL_19_128,
    GUARD_INTERVAL_19_256,
    GUARD_INTERVAL_PN420,
    GUARD_INTERVAL_PN595,
    GUARD_INTERVAL_PN945,
};

enum fe_hierarchy {
    HIERARCHY_NONE,
    HIERARCHY_1,
    HIERARCHY_2,
    HIERARCHY_4,
    HIERARCHY_AUTO
};

enum fe_interleaving {
    INTERLEAVING_NONE,
    INTERLEAVING_AUTO,
    INTERLEAVING_240,
    INTERLEAVING_720,
};

#ifdef CONFIG_AMLOGIC_DVB_COMPAT
struct fe_blind_scan_parameters {
    /* minimum tuner frequency in kHz */
    __u32 min_frequency;
    /* maximum tuner frequency in kHz */
    __u32 max_frequency;
    /* minimum symbol rate in sym/sec */
    __u32 min_symbol_rate;
    /* maximum symbol rate in sym/sec */
    __u32 max_symbol_rate;
    /* search range in kHz. freq -/+freqRange will be searched */
    __u32 frequency_range;
    /* tuner step frequency in kHz */
    __u32 frequency_step;
    /* blindscan event timeout */
    __s32 timeout;
};
#endif

/* S2API Commands */
#define DTV_UNDEFINED        0
#define DTV_TUNE        1
#define DTV_CLEAR        2
#define DTV_FREQUENCY        3
#define DTV_MODULATION        4
#define DTV_BANDWIDTH_HZ    5
#define DTV_INVERSION        6
#define DTV_DISEQC_MASTER    7
#define DTV_SYMBOL_RATE        8
#define DTV_INNER_FEC        9
#define DTV_VOLTAGE        10
#define DTV_TONE        11
#define DTV_PILOT        12
#define DTV_ROLLOFF        13
#define DTV_DISEQC_SLAVE_REPLY    14

/* Basic enumeration set for querying unlimited capabilities */
#define DTV_FE_CAPABILITY_COUNT    15
#define DTV_FE_CAPABILITY    16
#define DTV_DELIVERY_SYSTEM    17

/* ISDB-T and ISDB-Tsb */
#define DTV_ISDBT_PARTIAL_RECEPTION    18
#define DTV_ISDBT_SOUND_BROADCASTING    19

#define DTV_ISDBT_SB_SUBCHANNEL_ID    20
#define DTV_ISDBT_SB_SEGMENT_IDX    21
#define DTV_ISDBT_SB_SEGMENT_COUNT    22

#define DTV_ISDBT_LAYERA_FEC            23
#define DTV_ISDBT_LAYERA_MODULATION        24
#define DTV_ISDBT_LAYERA_SEGMENT_COUNT        25
#define DTV_ISDBT_LAYERA_TIME_INTERLEAVING    26

#define DTV_ISDBT_LAYERB_FEC            27
#define DTV_ISDBT_LAYERB_MODULATION        28
#define DTV_ISDBT_LAYERB_SEGMENT_COUNT        29
#define DTV_ISDBT_LAYERB_TIME_INTERLEAVING    30

#define DTV_ISDBT_LAYERC_FEC            31
#define DTV_ISDBT_LAYERC_MODULATION        32
#define DTV_ISDBT_LAYERC_SEGMENT_COUNT        33
#define DTV_ISDBT_LAYERC_TIME_INTERLEAVING    34

#define DTV_API_VERSION        35

#define DTV_CODE_RATE_HP    36
#define DTV_CODE_RATE_LP    37
#define DTV_GUARD_INTERVAL    38
#define DTV_TRANSMISSION_MODE    39
#define DTV_HIERARCHY        40

#define DTV_ISDBT_LAYER_ENABLED    41

#define DTV_STREAM_ID        42
#define DTV_ISDBS_TS_ID_LEGACY    DTV_STREAM_ID
#define DTV_DVBT2_PLP_ID_LEGACY    43

#define DTV_ENUM_DELSYS        44
#ifdef CONFIG_AMLOGIC_DVB_COMPAT
#define DTV_DVBT2_PLP_ID    DTV_DVBT2_PLP_ID_LEGACY
#endif
/* ATSC-MH */
#define DTV_ATSCMH_FIC_VER        45
#define DTV_ATSCMH_PARADE_ID        46
#define DTV_ATSCMH_NOG            47
#define DTV_ATSCMH_TNOG            48
#define DTV_ATSCMH_SGN            49
#define DTV_ATSCMH_PRC            50
#define DTV_ATSCMH_RS_FRAME_MODE    51
#define DTV_ATSCMH_RS_FRAME_ENSEMBLE    52
#define DTV_ATSCMH_RS_CODE_MODE_PRI    53
#define DTV_ATSCMH_RS_CODE_MODE_SEC    54
#define DTV_ATSCMH_SCCC_BLOCK_MODE    55
#define DTV_ATSCMH_SCCC_CODE_MODE_A    56
#define DTV_ATSCMH_SCCC_CODE_MODE_B    57
#define DTV_ATSCMH_SCCC_CODE_MODE_C    58
#define DTV_ATSCMH_SCCC_CODE_MODE_D    59

#define DTV_INTERLEAVING            60
#define DTV_LNA                    61

/* Quality parameters */
#define DTV_STAT_SIGNAL_STRENGTH    62
#define DTV_STAT_CNR            63
#define DTV_STAT_PRE_ERROR_BIT_COUNT    64
#define DTV_STAT_PRE_TOTAL_BIT_COUNT    65
#define DTV_STAT_POST_ERROR_BIT_COUNT    66
#define DTV_STAT_POST_TOTAL_BIT_COUNT    67
#define DTV_STAT_ERROR_BLOCK_COUNT    68
#define DTV_STAT_TOTAL_BLOCK_COUNT    69

#ifdef CONFIG_AMLOGIC_DVB_COMPAT

/* Get tne TS input of the frontend */
#define DTV_TS_INPUT                    100
/* Blind scan */
#define DTV_START_BLIND_SCAN            101
#define DTV_CANCEL_BLIND_SCAN           102
#define DTV_BLIND_SCAN_MIN_FRE          103
#define DTV_BLIND_SCAN_MAX_FRE          104
#define DTV_BLIND_SCAN_MIN_SRATE        105
#define DTV_BLIND_SCAN_MAX_SRATE        106
#define DTV_BLIND_SCAN_FRE_RANGE        107
#define DTV_BLIND_SCAN_FRE_STEP         108
#define DTV_BLIND_SCAN_TIMEOUT          109
/* Blind scan end*/
#define DTV_DELIVERY_SUB_SYSTEM            110
#define DTV_MAX_COMMAND        DTV_DELIVERY_SUB_SYSTEM

#else  /*!defined(CONFIG_AMLOGIC_DVB_COMPAT)*/

#define DTV_MAX_COMMAND        DTV_STAT_TOTAL_BLOCK_COUNT

#endif /*CONFIG_AMLOGIC_DVB_COMPAT*/


enum fe_pilot {
    PILOT_ON,
    PILOT_OFF,
    PILOT_AUTO,
};

enum fe_rolloff {
    ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */
    ROLLOFF_20,
    ROLLOFF_25,
    ROLLOFF_AUTO,
};

enum fe_delivery_system {
    SYS_UNDEFINED,
    SYS_DVBC_ANNEX_A,
    SYS_DVBC_ANNEX_B,
    SYS_DVBT,
    SYS_DSS,
    SYS_DVBS,
    SYS_DVBS2,
    SYS_DVBH,
    SYS_ISDBT,
    SYS_ISDBS,
    SYS_ISDBC,
    SYS_ATSC,
    SYS_ATSCMH,
    SYS_DTMB,
    SYS_CMMB,
    SYS_DAB,
    SYS_DVBT2,
    SYS_TURBO,
    SYS_DVBC_ANNEX_C,
#ifdef CONFIG_AMLOGIC_DVB_COMPAT
    SYS_ANALOG
#endif
};

/* backward compatibility */
#define SYS_DVBC_ANNEX_AC    SYS_DVBC_ANNEX_A
#define SYS_DMBTH SYS_DTMB /* DMB-TH is legacy name, use DTMB instead */

/* ATSC-MH */

enum atscmh_sccc_block_mode {
    ATSCMH_SCCC_BLK_SEP      = 0,
    ATSCMH_SCCC_BLK_COMB     = 1,
    ATSCMH_SCCC_BLK_RES      = 2,
};

enum atscmh_sccc_code_mode {
    ATSCMH_SCCC_CODE_HLF     = 0,
    ATSCMH_SCCC_CODE_QTR     = 1,
    ATSCMH_SCCC_CODE_RES     = 2,
};

enum atscmh_rs_frame_ensemble {
    ATSCMH_RSFRAME_ENS_PRI   = 0,
    ATSCMH_RSFRAME_ENS_SEC   = 1,
};

enum atscmh_rs_frame_mode {
    ATSCMH_RSFRAME_PRI_ONLY  = 0,
    ATSCMH_RSFRAME_PRI_SEC   = 1,
    ATSCMH_RSFRAME_RES       = 2,
};

enum atscmh_rs_code_mode {
    ATSCMH_RSCODE_211_187    = 0,
    ATSCMH_RSCODE_223_187    = 1,
    ATSCMH_RSCODE_235_187    = 2,
    ATSCMH_RSCODE_RES        = 3,
};

#define NO_STREAM_ID_FILTER    (~0U)
#define LNA_AUTO                (~0U)

struct dtv_cmds_h {
    char    *name;        /* A display name for debugging purposes */

    __u32    cmd;        /* A unique ID */

    /* Flags */
    __u32    set:1;        /* Either a set or get property */
    __u32    buffer:1;    /* Does this property use the buffer? */
    __u32    reserved:30;    /* Align */
};

/**
 * Scale types for the quality parameters.
 * @FE_SCALE_NOT_AVAILABLE: That QoS measure is not available. That
 *                could indicate a temporary or a permanent
 *                condition.
 * @FE_SCALE_DECIBEL: The scale is measured in 0.001 dB steps, typically
 *          used on signal measures.
 * @FE_SCALE_RELATIVE: The scale is a relative percentual measure,
 *            ranging from 0 (0%) to 0xffff (100%).
 * @FE_SCALE_COUNTER: The scale counts the occurrence of an event, like
 *            bit error, block error, lapsed time.
 */
enum fecap_scale_params {
    FE_SCALE_NOT_AVAILABLE = 0,
    FE_SCALE_DECIBEL,
    FE_SCALE_RELATIVE,
    FE_SCALE_COUNTER
};

/**
 * struct dtv_stats - Used for reading a DTV status property
 *
 * @value:    value of the measure. Should range from 0 to 0xffff;
 * @scale:    Filled with enum fecap_scale_params - the scale
 *        in usage for that parameter
 *
 * For most delivery systems, this will return a single value for each
 * parameter.
 * It should be noticed, however, that new OFDM delivery systems like
 * ISDB can use different modulation types for each group of carriers.
 * On such standards, up to 8 groups of statistics can be provided, one
 * for each carrier group (called "layer" on ISDB).
 * In order to be consistent with other delivery systems, the first
 * value refers to the entire set of carriers ("global").
 * dtv_status:scale should use the value FE_SCALE_NOT_AVAILABLE when
 * the value for the entire group of carriers or from one specific layer
 * is not provided by the hardware.
 * st.len should be filled with the latest filled status + 1.
 *
 * In other words, for ISDB, those values should be filled like:
 *    u.st.stat.svalue[0] = global statistics;
 *    u.st.stat.scale[0] = FE_SCALE_DECIBEL;
 *    u.st.stat.value[1] = layer A statistics;
 *    u.st.stat.scale[1] = FE_SCALE_NOT_AVAILABLE (if not available);
 *    u.st.stat.svalue[2] = layer B statistics;
 *    u.st.stat.scale[2] = FE_SCALE_DECIBEL;
 *    u.st.stat.svalue[3] = layer C statistics;
 *    u.st.stat.scale[3] = FE_SCALE_DECIBEL;
 *    u.st.len = 4;
 */
struct dtv_stats {
    __u8 scale;    /* enum fecap_scale_params type */
    union {
        __u64 uvalue;    /* for counters and relative scales */
        __s64 svalue;    /* for 0.001 dB measures */
    };
} __attribute__ ((packed));


#define MAX_DTV_STATS   4

struct dtv_fe_stats {
    __u8 len;
    struct dtv_stats stat[MAX_DTV_STATS];
} __attribute__ ((packed));

struct dtv_property {
    __u32 cmd;
    __u32 reserved[3];
    union {
        __u32 data;
        struct dtv_fe_stats st;
        struct {
            __u8 data[32];
            __u32 len;
            __u32 reserved1[3];
            void *reserved2;
        } buffer;
    } u;
    int result;
} __attribute__ ((packed));

struct dtv_property_32 {
    __u32 cmd;
    __u32 reserved[3];
    union {
        __u32 data;
        struct dtv_fe_stats st;
        struct {
            __u8 data[32];
            __u32 len;
            __u32 reserved1[3];
            __u32 reserved2;
        } buffer;
    } u;
    int result;
} __attribute__ ((packed));

struct dtv_property_64 {
    __u32 cmd;
    __u32 reserved[3];
    union {
        __u32 data;
        struct dtv_fe_stats st;
        struct {
            __u8 data[32];
            __u32 len;
            __u32 reserved1[3];
            __u64 reserved2;
        } buffer;
    } u;
    int result;
} __attribute__ ((packed));

/* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */
#define DTV_IOCTL_MAX_MSGS 64

struct dtv_properties {
    __u32 num;
    struct dtv_property *props;
};

struct dtv_properties_32 {
    __u32 num;
    __u32 props;
};

struct dtv_properties_64 {
    __u32 num;
    __u64 props;
};

#if defined(__DVB_CORE__) || !defined (__KERNEL__)

/*
 * DEPRECATED: The DVBv3 ioctls, structs and enums should not be used on
 * newer programs, as it doesn't support the second generation of digital
 * TV standards, nor supports newer delivery systems.
 */

enum fe_bandwidth {
    BANDWIDTH_8_MHZ,
    BANDWIDTH_7_MHZ,
    BANDWIDTH_6_MHZ,
    BANDWIDTH_AUTO,
    BANDWIDTH_5_MHZ,
    BANDWIDTH_10_MHZ,
    BANDWIDTH_1_712_MHZ,
};

/* This is needed for legacy userspace support */
typedef enum fe_sec_voltage fe_sec_voltage_t;
typedef enum fe_caps fe_caps_t;
typedef enum fe_type fe_type_t;
typedef enum fe_sec_tone_mode fe_sec_tone_mode_t;
typedef enum fe_sec_mini_cmd fe_sec_mini_cmd_t;
typedef enum fe_status fe_status_t;
typedef enum fe_spectral_inversion fe_spectral_inversion_t;
typedef enum fe_code_rate fe_code_rate_t;
typedef enum fe_modulation fe_modulation_t;
typedef enum fe_transmit_mode fe_transmit_mode_t;
typedef enum fe_bandwidth fe_bandwidth_t;
typedef enum fe_guard_interval fe_guard_interval_t;
typedef enum fe_hierarchy fe_hierarchy_t;
typedef enum fe_pilot fe_pilot_t;
typedef enum fe_rolloff fe_rolloff_t;
typedef enum fe_delivery_system fe_delivery_system_t;

#ifdef CONFIG_AMLOGIC_DVB_COMPAT
enum fe_ofdm_mode {
    OFDM_DVBT,
    OFDM_DVBT2,
};
#endif

struct dvb_qpsk_parameters {
    __u32        symbol_rate;  /* symbol rate in Symbols per second */
    fe_code_rate_t    fec_inner;    /* forward error correction (see above) */
};

struct dvb_qam_parameters {
    __u32        symbol_rate; /* symbol rate in Symbols per second */
    fe_code_rate_t    fec_inner;   /* forward error correction (see above) */
    fe_modulation_t    modulation;  /* modulation type (see above) */
};

struct dvb_vsb_parameters {
    fe_modulation_t    modulation;  /* modulation type (see above) */
};

struct dvb_ofdm_parameters {
    fe_bandwidth_t      bandwidth;
    fe_code_rate_t      code_rate_HP;  /* high priority stream code rate */
    fe_code_rate_t      code_rate_LP;  /* low priority stream code rate */
    fe_modulation_t     constellation; /* modulation type (see above) */
    fe_transmit_mode_t  transmission_mode;
    fe_guard_interval_t guard_interval;
    fe_hierarchy_t      hierarchy_information;
};

#ifdef CONFIG_AMLOGIC_DVB_COMPAT
#define ANALOG_FLAG_ENABLE_AFC                 0X00000001
#define  ANALOG_FLAG_MANUL_SCAN                0x00000011
struct dvb_analog_parameters {
    /*V4L2_TUNER_MODE_MONO,V4L2_TUNER_MODE_STEREO,*/
    /*V4L2_TUNER_MODE_LANG2,V4L2_TUNER_MODE_SAP,*/
    /*V4L2_TUNER_MODE_LANG1,V4L2_TUNER_MODE_LANG1_LANG2 */
    unsigned int audmode;
    unsigned int soundsys;    /*A2,BTSC,EIAJ,NICAM */
    v4l2_std_id std;
    unsigned int flag;
    unsigned int afc_range;
};
#endif

struct dvb_frontend_parameters {
    /* (absolute) frequency in Hz for DVB-C/DVB-T/ATSC */
    __u32 frequency;
    /* intermediate frequency in kHz for DVB-S */
    fe_spectral_inversion_t inversion;
    union {
        struct dvb_qpsk_parameters qpsk;    /* DVB-S */
        struct dvb_qam_parameters  qam;        /* DVB-C */
        struct dvb_ofdm_parameters ofdm;    /* DVB-T */
        struct dvb_vsb_parameters vsb;        /* ATSC */
#if 0 && defined(CONFIG_AMLOGIC_DVB_COMPAT)
        struct dvb_analog_parameters analog;
#endif
    } u;
};

#ifdef CONFIG_AMLOGIC_DVB_COMPAT

struct dvb_frontend_parameters_ex {
    __u32 frequency;  /* (absolute) frequency in Hz for DVB-C/DVB-T/ATSC */
              /* intermediate frequency in kHz for DVB-S */
    fe_spectral_inversion_t inversion;
    union {
        struct dvb_qpsk_parameters qpsk;    /* DVB-S */
        struct dvb_qam_parameters  qam;        /* DVB-C */
        struct dvb_ofdm_parameters ofdm;    /* DVB-T */
        struct dvb_vsb_parameters vsb;        /* ATSC */
        struct dvb_analog_parameters analog;
        /* Add extension data here */
    } u;
};

/*
static char dvb_check_frontend_parameters_size[
    (sizeof(struct dvb_frontend_parameters_ex)
    == sizeof(struct dvb_frontend_parameters)) ? 1 : -1]
    __attribute__((__unused__));
*/

#endif /*CONFIG_AMLOGIC_DVB_COMPAT*/

struct dvb_frontend_event {
    fe_status_t status;
    struct dvb_frontend_parameters parameters;
};
#ifdef CONFIG_AMLOGIC_DVB_COMPAT
/* Satellite blind scan event */
struct dvbsx_blindscanevent {
    enum fe_status status;
    union {
        /* The percentage completion of the*/
        /*blind scan procedure. A value of*/
        /*100 indicates that the blind scan*/
        /*is finished. */
        __u16 m_uiprogress;
        /*The start scan frequency in units of kHz.*/
        /*The minimum value depends on the tuner*/
        /*specification.*/
        __u32 m_uistartfreq_khz;
        /* Blind scan channel info. */
        struct dvb_frontend_parameters parameters;
    } u;
};
#endif /*CONFIG_AMLOGIC_DVB_COMPAT*/
#endif

#define FE_SET_PROPERTY           _IOW('o', 82, struct dtv_properties)
#define FE_GET_PROPERTY           _IOR('o', 83, struct dtv_properties)

#define FE_SET_PROPERTY_32     _IOW('o', 82, struct dtv_properties_32)
#define FE_GET_PROPERTY_32     _IOR('o', 83, struct dtv_properties_32)

#define FE_SET_PROPERTY_64     _IOW('o', 82, struct dtv_properties_64)
#define FE_GET_PROPERTY_64     _IOR('o', 83, struct dtv_properties_64)

#ifdef CONFIG_AMLOGIC_DVB_COMPAT
/*for atv*/
struct tuner_status_s {
    unsigned int frequency;
    unsigned int rssi;
    unsigned char mode;/*dtv:0 or atv:1*/
    unsigned char tuner_locked;/*notlocked:0,locked:1*/
    union {
        void *ressrved;
        __u64 reserved1;
    };
};


struct atv_status_s {
    unsigned char atv_lock;/*notlocked:0,locked 1*/
    v4l2_std_id      std;
    unsigned int  audmode;
    int  snr;
    int  afc;
    union {
        void *resrvred;
        __u64 reserved1;
    };
};

struct sound_status_s {
    unsigned short sound_sys;/*A2DK/A2BG/NICAM BG/NICAM DK/BTSC/EIAJ*/
    unsigned short sound_mode;/*SETERO/DUAL/MONO/SAP*/
    union {
        void *resrvred;
        __u64 reserved1;
    };
};


enum tuner_param_cmd_e {
    TUNER_CMD_AUDIO_MUTE = 0x0000,
    TUNER_CMD_AUDIO_ON,
    TUNER_CMD_TUNER_POWER_ON,
    TUNER_CMD_TUNER_POWER_DOWN,
    TUNER_CMD_SET_VOLUME,
    TUNER_CMD_SET_LEAP_SETP_SIZE,
    TUNER_CMD_GET_MONO_MODE,
    TUNER_CMD_SET_BEST_LOCK_RANGE,
    TUNER_CMD_GET_BEST_LOCK_RANGE,
    TUNER_CMD_SET_CVBS_AMP_OUT,
    TUNER_CMD_GET_CVBS_AMP_OUT,
    TUNER_CMD_NULL,
};


/*parameter for set param box*/
struct tuner_param_s {
    enum tuner_param_cmd_e cmd;
    unsigned int      parm;
    unsigned int    reserved;
};


enum fe_layer {
    Layer_A_B_C,
    Layer_A,
    Layer_B,
    Layer_C,
};

// typedef struct dvb_analog_parameters dvb_analog_parameters_t;
// typedef struct tuner_status_s tuner_status_t;
// typedef struct atv_status_s atv_status_t;
// typedef struct sound_status_s sound_status_t;
// typedef enum tuner_param_cmd_e tuner_param_cmd_t;
// typedef struct tuner_param_s tuner_param_t;
// typedef enum fe_layer fe_layer_t;
// typedef enum fe_ofdm_mode fe_ofdm_mode_t;


/* Satellite blind scan settings */
struct dvbsx_blindscanpara {
    __u32 minfrequency;/* minimum tuner frequency in kHz */
    __u32 maxfrequency;/* maximum tuner frequency in kHz */
    __u32 minSymbolRate;/* minimum symbol rate in sym/sec */
    __u32 maxSymbolRate;/* maximum symbol rate in sym/sec */
    /*search range in kHz. freq -/+freqRange will be searched */
    __u32 frequencyRange;
    __u32 frequencyStep;/* tuner step frequency in kHz */
    __s32 timeout;/* blindscan event timeout*/
};
#endif /*CONFIG_AMLOGIC_DVB_COMPAT*/
/**
 * When set, this flag will disable any zigzagging or other "normal" tuning
 * behaviour. Additionally, there will be no automatic monitoring of the lock
 * status, and hence no frontend events will be generated. If a frontend device
 * is closed, this flag will be automatically turned off when the device is
 * reopened read-write.
 */
#define FE_TUNE_MODE_ONESHOT 0x01

#define FE_GET_INFO           _IOR('o', 61, struct dvb_frontend_info)

#define FE_DISEQC_RESET_OVERLOAD   _IO('o', 62)
#define FE_DISEQC_SEND_MASTER_CMD  _IOW('o', 63, struct dvb_diseqc_master_cmd)
#define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply)
#define FE_DISEQC_SEND_BURST       _IO('o', 65)  /* fe_sec_mini_cmd_t */

#define FE_SET_TONE           _IO('o', 66)  /* fe_sec_tone_mode_t */
#define FE_SET_VOLTAGE           _IO('o', 67)  /* fe_sec_voltage_t */
#define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68)  /* int */

#define FE_READ_STATUS           _IOR('o', 69, fe_status_t)
#define FE_READ_BER           _IOR('o', 70, __u32)
#define FE_READ_SIGNAL_STRENGTH    _IOR('o', 71, __u16)
#define FE_READ_SNR           _IOR('o', 72, __u16)
#define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32)

#define FE_SET_FRONTEND           _IOW('o', 76, struct dvb_frontend_parameters)
#define FE_GET_FRONTEND           _IOR('o', 77, struct dvb_frontend_parameters)
#define FE_SET_FRONTEND_TUNE_MODE  _IO('o', 81) /* unsigned int */
#define FE_GET_EVENT           _IOR('o', 78, struct dvb_frontend_event)

#define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */

#ifdef CONFIG_AMLOGIC_DVB_COMPAT
/*need del this ioctl, used set PROPERTY instead*/
#define FE_SET_DELAY               _IO('o', 100)
#define FE_READ_AFC                _IOR('o', 91, __u32)
#define FE_FINE_TUNE               _IOW('o', 92, __u32)
#define FE_READ_TUNER_STATUS       _IOR('o', 93, struct tuner_status_s)
#define FE_READ_ANALOG_STATUS      _IOR('o', 94, struct atv_status_s)
#define FE_READ_SD_STATUS          _IOR('o', 95, struct sound_status_s)
/*set & get the tuner parameters only atv*/
#define FE_SET_PARAM_BOX           _IOWR('o', 97, struct tuner_param_s)
#define FE_SET_AFC                 _IOW('o', 98, __u32)
#endif /*CONFIG_AMLOGIC_DVB_COMPAT*/

#endif /*_DVBFRONTEND_H_*/