[deliverable/linux.git] / Documentation / linux_tv / frontend.h.rst

.. -*- coding: utf-8; mode: rst -*-

file: frontend.h
================

.. code-block:: c

    /*
     * 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_

    #include <linux/types.h>

    enum fe_type {
            FE_QPSK,
            FE_QAM,
            FE_OFDM,
            FE_ATSC
    };

    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,
            FE_HAS_EXTENDED_CAPS            = 0x800000,   /* We need more bitspace for newer APIs, indicate this. */
            FE_CAN_MULTISTREAM              = 0x4000000,  /* frontend supports multistream filtering */
            FE_CAN_TURBO_FEC                = 0x8000000,  /* frontend supports "turbo fec modulation" */
            FE_CAN_2G_MODULATION            = 0x10000000, /* frontend supports "2nd generation modulation" (DVB-S2) */
            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 */
    };

    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,
            FE_HAS_CARRIER          = 0x02,
            FE_HAS_VITERBI          = 0x04,
            FE_HAS_SYNC             = 0x08,
            FE_HAS_LOCK             = 0x10,
            FE_TIMEDOUT             = 0x20,
            FE_REINIT               = 0x40,
    };

    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,
    };

    /* 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

    /* 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

    #define DTV_MAX_COMMAND         DTV_STAT_TOTAL_BLOCK_COUNT

    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,
    };

    /* 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));

    /* 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;
    };

    #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;

    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;
    };

    struct dvb_frontend_parameters {
            __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 */
            } u;
    };

    struct dvb_frontend_event {
            fe_status_t status;
            struct dvb_frontend_parameters parameters;
    };
    #endif

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

    /**
     * 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 */

    #endif /*_DVBFRONTEND_H_*/
Commit	Line	Data
5377d91f MH	1	.. -- coding: utf-8; mode: rst --
	2
	3	file: frontend.h
	4	================
	5
	6	.. code-block:: c
	7
	8	/*
	9	* frontend.h
	10	*
	11	* Copyright (C) 2000 Marcus Metzler <marcus@convergence.de>
	12	* Ralph Metzler <ralph@convergence.de>
	13	* Holger Waechtler <holger@convergence.de>
	14	* Andre Draszik <ad@convergence.de>
	15	* for convergence integrated media GmbH
	16	*
	17	* This program is free software; you can redistribute it and/or
	18	* modify it under the terms of the GNU Lesser General Public License
	19	* as published by the Free Software Foundation; either version 2.1
	20	* of the License, or (at your option) any later version.
	21	*
	22	* This program is distributed in the hope that it will be useful,
	23	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	24	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	25	* GNU General Public License for more details.
	26	*
	27	* You should have received a copy of the GNU Lesser General Public License
	28	* along with this program; if not, write to the Free Software
	29	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	30	*
	31	*/
	32
	33	#ifndef _DVBFRONTEND_H_
	34	#define _DVBFRONTEND_H_
	35
	36	#include <linux/types.h>
	37
	38	enum fe_type {
	39	FE_QPSK,
	40	FE_QAM,
	41	FE_OFDM,
	42	FE_ATSC
	43	};
	44
	45	enum fe_caps {
	46	FE_IS_STUPID = 0,
	47	FE_CAN_INVERSION_AUTO = 0x1,
	48	FE_CAN_FEC_1_2 = 0x2,
	49	FE_CAN_FEC_2_3 = 0x4,
	50	FE_CAN_FEC_3_4 = 0x8,
	51	FE_CAN_FEC_4_5 = 0x10,
	52	FE_CAN_FEC_5_6 = 0x20,
	53	FE_CAN_FEC_6_7 = 0x40,
	54	FE_CAN_FEC_7_8 = 0x80,
	55	FE_CAN_FEC_8_9 = 0x100,
	56	FE_CAN_FEC_AUTO = 0x200,
	57	FE_CAN_QPSK = 0x400,
	58	FE_CAN_QAM_16 = 0x800,
	59	FE_CAN_QAM_32 = 0x1000,
	60	FE_CAN_QAM_64 = 0x2000,
	61	FE_CAN_QAM_128 = 0x4000,
	62	FE_CAN_QAM_256 = 0x8000,
	63	FE_CAN_QAM_AUTO = 0x10000,
	64	FE_CAN_TRANSMISSION_MODE_AUTO = 0x20000,
65	FE_CAN_BANDWIDTH_AUTO = 0x40000,
66	FE_CAN_GUARD_INTERVAL_AUTO = 0x80000,
67	FE_CAN_HIERARCHY_AUTO = 0x100000,
68	FE_CAN_8VSB = 0x200000,
69	FE_CAN_16VSB = 0x400000,
70	FE_HAS_EXTENDED_CAPS = 0x800000, /* We need more bitspace for newer APIs, indicate this. */
71	FE_CAN_MULTISTREAM = 0x4000000, /* frontend supports multistream filtering */
72	FE_CAN_TURBO_FEC = 0x8000000, /* frontend supports "turbo fec modulation" */
73	FE_CAN_2G_MODULATION = 0x10000000, /* frontend supports "2nd generation modulation" (DVB-S2) */
74	FE_NEEDS_BENDING = 0x20000000, /* not supported anymore, don't use (frontend requires frequency bending) */
75	FE_CAN_RECOVER = 0x40000000, /* frontend can recover from a cable unplug automatically */
76	FE_CAN_MUTE_TS = 0x80000000 /* frontend can stop spurious TS data output */
77	};
78
79	struct dvb_frontend_info {
80	char name[128];
81	enum fe_type type; /* DEPRECATED. Use DTV_ENUM_DELSYS instead */
82	__u32 frequency_min;
83	__u32 frequency_max;
84	__u32 frequency_stepsize;
85	__u32 frequency_tolerance;
86	__u32 symbol_rate_min;
87	__u32 symbol_rate_max;
88	__u32 symbol_rate_tolerance; /* ppm */
89	__u32 notifier_delay; /* DEPRECATED */
90	enum fe_caps caps;
91	};
92
93
94	/**
95	* Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
96	* the meaning of this struct...
97	*/
98	struct dvb_diseqc_master_cmd {
99	__u8 msg [6]; /* { framing, address, command, data [3] } */
100	__u8 msg_len; /* valid values are 3...6 */
101	};
102
103	struct dvb_diseqc_slave_reply {
104	__u8 msg [4]; /* { framing, data [3] } */
105	__u8 msg_len; /* valid values are 0...4, 0 means no msg */
106	int timeout; /* return from ioctl after timeout ms with */
107	}; /* errorcode when no message was received */
108
109	enum fe_sec_voltage {
110	SEC_VOLTAGE_13,
111	SEC_VOLTAGE_18,
112	SEC_VOLTAGE_OFF
113	};
114
115	enum fe_sec_tone_mode {
116	SEC_TONE_ON,
117	SEC_TONE_OFF
118	};
119
120	enum fe_sec_mini_cmd {
121	SEC_MINI_A,
122	SEC_MINI_B
123	};
124
125	/**
126	* enum fe_status - enumerates the possible frontend status
127	* @FE_HAS_SIGNAL: found something above the noise level
128	* @FE_HAS_CARRIER: found a DVB signal
129	* @FE_HAS_VITERBI: FEC is stable
130	* @FE_HAS_SYNC: found sync bytes
131	* @FE_HAS_LOCK: everything's working
132	* @FE_TIMEDOUT: no lock within the last ~2 seconds
133	* @FE_REINIT: frontend was reinitialized, application is recommended
134	* to reset DiSEqC, tone and parameters
135	*/
136	enum fe_status {
137	FE_HAS_SIGNAL = 0x01,
138	FE_HAS_CARRIER = 0x02,
139	FE_HAS_VITERBI = 0x04,
140	FE_HAS_SYNC = 0x08,
141	FE_HAS_LOCK = 0x10,
142	FE_TIMEDOUT = 0x20,
143	FE_REINIT = 0x40,
144	};
145
146	enum fe_spectral_inversion {
147	INVERSION_OFF,
148	INVERSION_ON,
149	INVERSION_AUTO
150	};
151
152	enum fe_code_rate {
153	FEC_NONE = 0,
154	FEC_1_2,
155	FEC_2_3,
156	FEC_3_4,
157	FEC_4_5,
158	FEC_5_6,
159	FEC_6_7,
160	FEC_7_8,
161	FEC_8_9,
162	FEC_AUTO,
163	FEC_3_5,
164	FEC_9_10,
165	FEC_2_5,
166	};
167
168	enum fe_modulation {
169	QPSK,
170	QAM_16,
171	QAM_32,
172	QAM_64,
173	QAM_128,
174	QAM_256,
175	QAM_AUTO,
176	VSB_8,
177	VSB_16,
178	PSK_8,
179	APSK_16,
180	APSK_32,
181	DQPSK,
182	QAM_4_NR,
183	};
184
185	enum fe_transmit_mode {
186	TRANSMISSION_MODE_2K,
187	TRANSMISSION_MODE_8K,
188	TRANSMISSION_MODE_AUTO,
189	TRANSMISSION_MODE_4K,
190	TRANSMISSION_MODE_1K,
191	TRANSMISSION_MODE_16K,
192	TRANSMISSION_MODE_32K,
193	TRANSMISSION_MODE_C1,
194	TRANSMISSION_MODE_C3780,
195	};
196
197	enum fe_guard_interval {
198	GUARD_INTERVAL_1_32,
199	GUARD_INTERVAL_1_16,
200	GUARD_INTERVAL_1_8,
201	GUARD_INTERVAL_1_4,
202	GUARD_INTERVAL_AUTO,
203	GUARD_INTERVAL_1_128,
204	GUARD_INTERVAL_19_128,
205	GUARD_INTERVAL_19_256,
206	GUARD_INTERVAL_PN420,
207	GUARD_INTERVAL_PN595,
208	GUARD_INTERVAL_PN945,
209	};
210
211	enum fe_hierarchy {
212	HIERARCHY_NONE,
213	HIERARCHY_1,
214	HIERARCHY_2,
215	HIERARCHY_4,
216	HIERARCHY_AUTO
217	};
218
219	enum fe_interleaving {
220	INTERLEAVING_NONE,
221	INTERLEAVING_AUTO,
222	INTERLEAVING_240,
223	INTERLEAVING_720,
224	};
225
226	/* S2API Commands */
227	#define DTV_UNDEFINED 0
228	#define DTV_TUNE 1
229	#define DTV_CLEAR 2
230	#define DTV_FREQUENCY 3
231	#define DTV_MODULATION 4
232	#define DTV_BANDWIDTH_HZ 5
233	#define DTV_INVERSION 6
234	#define DTV_DISEQC_MASTER 7
235	#define DTV_SYMBOL_RATE 8
236	#define DTV_INNER_FEC 9
237	#define DTV_VOLTAGE 10
238	#define DTV_TONE 11
239	#define DTV_PILOT 12
240	#define DTV_ROLLOFF 13
241	#define DTV_DISEQC_SLAVE_REPLY 14
242
243	/* Basic enumeration set for querying unlimited capabilities */
244	#define DTV_FE_CAPABILITY_COUNT 15
245	#define DTV_FE_CAPABILITY 16
246	#define DTV_DELIVERY_SYSTEM 17
247
248	/* ISDB-T and ISDB-Tsb */
249	#define DTV_ISDBT_PARTIAL_RECEPTION 18
250	#define DTV_ISDBT_SOUND_BROADCASTING 19
251
252	#define DTV_ISDBT_SB_SUBCHANNEL_ID 20
253	#define DTV_ISDBT_SB_SEGMENT_IDX 21
254	#define DTV_ISDBT_SB_SEGMENT_COUNT 22
255
256	#define DTV_ISDBT_LAYERA_FEC 23
257	#define DTV_ISDBT_LAYERA_MODULATION 24
258	#define DTV_ISDBT_LAYERA_SEGMENT_COUNT 25
259	#define DTV_ISDBT_LAYERA_TIME_INTERLEAVING 26
260
261	#define DTV_ISDBT_LAYERB_FEC 27
262	#define DTV_ISDBT_LAYERB_MODULATION 28
263	#define DTV_ISDBT_LAYERB_SEGMENT_COUNT 29
264	#define DTV_ISDBT_LAYERB_TIME_INTERLEAVING 30
265
266	#define DTV_ISDBT_LAYERC_FEC 31
267	#define DTV_ISDBT_LAYERC_MODULATION 32
268	#define DTV_ISDBT_LAYERC_SEGMENT_COUNT 33
269	#define DTV_ISDBT_LAYERC_TIME_INTERLEAVING 34
270
271	#define DTV_API_VERSION 35
272
273	#define DTV_CODE_RATE_HP 36
274	#define DTV_CODE_RATE_LP 37
275	#define DTV_GUARD_INTERVAL 38
276	#define DTV_TRANSMISSION_MODE 39
277	#define DTV_HIERARCHY 40
278
279	#define DTV_ISDBT_LAYER_ENABLED 41
280
281	#define DTV_STREAM_ID 42
282	#define DTV_ISDBS_TS_ID_LEGACY DTV_STREAM_ID
283	#define DTV_DVBT2_PLP_ID_LEGACY 43
284
285	#define DTV_ENUM_DELSYS 44
286
287	/* ATSC-MH */
288	#define DTV_ATSCMH_FIC_VER 45
289	#define DTV_ATSCMH_PARADE_ID 46
290	#define DTV_ATSCMH_NOG 47
291	#define DTV_ATSCMH_TNOG 48
292	#define DTV_ATSCMH_SGN 49
293	#define DTV_ATSCMH_PRC 50
294	#define DTV_ATSCMH_RS_FRAME_MODE 51
295	#define DTV_ATSCMH_RS_FRAME_ENSEMBLE 52
296	#define DTV_ATSCMH_RS_CODE_MODE_PRI 53
297	#define DTV_ATSCMH_RS_CODE_MODE_SEC 54
298	#define DTV_ATSCMH_SCCC_BLOCK_MODE 55
299	#define DTV_ATSCMH_SCCC_CODE_MODE_A 56
300	#define DTV_ATSCMH_SCCC_CODE_MODE_B 57
301	#define DTV_ATSCMH_SCCC_CODE_MODE_C 58
302	#define DTV_ATSCMH_SCCC_CODE_MODE_D 59
303
304	#define DTV_INTERLEAVING 60
305	#define DTV_LNA 61
306
307	/* Quality parameters */
308	#define DTV_STAT_SIGNAL_STRENGTH 62
309	#define DTV_STAT_CNR 63
310	#define DTV_STAT_PRE_ERROR_BIT_COUNT 64
311	#define DTV_STAT_PRE_TOTAL_BIT_COUNT 65
312	#define DTV_STAT_POST_ERROR_BIT_COUNT 66
313	#define DTV_STAT_POST_TOTAL_BIT_COUNT 67
314	#define DTV_STAT_ERROR_BLOCK_COUNT 68
315	#define DTV_STAT_TOTAL_BLOCK_COUNT 69
316
317	#define DTV_MAX_COMMAND DTV_STAT_TOTAL_BLOCK_COUNT
318
319	enum fe_pilot {
320	PILOT_ON,
321	PILOT_OFF,
322	PILOT_AUTO,
323	};
324
325	enum fe_rolloff {
326	ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */
327	ROLLOFF_20,
328	ROLLOFF_25,
329	ROLLOFF_AUTO,
330	};
331
332	enum fe_delivery_system {
333	SYS_UNDEFINED,
334	SYS_DVBC_ANNEX_A,
335	SYS_DVBC_ANNEX_B,
336	SYS_DVBT,
337	SYS_DSS,
338	SYS_DVBS,
339	SYS_DVBS2,
340	SYS_DVBH,
341	SYS_ISDBT,
342	SYS_ISDBS,
343	SYS_ISDBC,
344	SYS_ATSC,
345	SYS_ATSCMH,
346	SYS_DTMB,
347	SYS_CMMB,
348	SYS_DAB,
349	SYS_DVBT2,
350	SYS_TURBO,
351	SYS_DVBC_ANNEX_C,
352	};
353
354	/* backward compatibility */
355	#define SYS_DVBC_ANNEX_AC SYS_DVBC_ANNEX_A
356	#define SYS_DMBTH SYS_DTMB /* DMB-TH is legacy name, use DTMB instead */
357
358	/* ATSC-MH */
359
360	enum atscmh_sccc_block_mode {
361	ATSCMH_SCCC_BLK_SEP = 0,
362	ATSCMH_SCCC_BLK_COMB = 1,
363	ATSCMH_SCCC_BLK_RES = 2,
364	};
365
366	enum atscmh_sccc_code_mode {
367	ATSCMH_SCCC_CODE_HLF = 0,
368	ATSCMH_SCCC_CODE_QTR = 1,
369	ATSCMH_SCCC_CODE_RES = 2,
370	};
371
372	enum atscmh_rs_frame_ensemble {
373	ATSCMH_RSFRAME_ENS_PRI = 0,
374	ATSCMH_RSFRAME_ENS_SEC = 1,
375	};
376
377	enum atscmh_rs_frame_mode {
378	ATSCMH_RSFRAME_PRI_ONLY = 0,
379	ATSCMH_RSFRAME_PRI_SEC = 1,
380	ATSCMH_RSFRAME_RES = 2,
381	};
382
383	enum atscmh_rs_code_mode {
384	ATSCMH_RSCODE_211_187 = 0,
385	ATSCMH_RSCODE_223_187 = 1,
386	ATSCMH_RSCODE_235_187 = 2,
387	ATSCMH_RSCODE_RES = 3,
388	};
389
390	#define NO_STREAM_ID_FILTER (~0U)
391	#define LNA_AUTO (~0U)
392
393	struct dtv_cmds_h {
394	char name; / A display name for debugging purposes */
395
396	__u32 cmd; /* A unique ID */
397
398	/* Flags */
399	__u32 set:1; /* Either a set or get property */
400	__u32 buffer:1; /* Does this property use the buffer? */
401	__u32 reserved:30; /* Align */
402	};
403
404	/**
405	* Scale types for the quality parameters.
406	* @FE_SCALE_NOT_AVAILABLE: That QoS measure is not available. That
407	* could indicate a temporary or a permanent
408	* condition.
409	* @FE_SCALE_DECIBEL: The scale is measured in 0.001 dB steps, typically
410	* used on signal measures.
411	* @FE_SCALE_RELATIVE: The scale is a relative percentual measure,
412	* ranging from 0 (0%) to 0xffff (100%).
413	* @FE_SCALE_COUNTER: The scale counts the occurrence of an event, like
414	* bit error, block error, lapsed time.
415	*/
416	enum fecap_scale_params {
417	FE_SCALE_NOT_AVAILABLE = 0,
418	FE_SCALE_DECIBEL,
419	FE_SCALE_RELATIVE,
420	FE_SCALE_COUNTER
421	};
422
423	/**
424	* struct dtv_stats - Used for reading a DTV status property
425	*
426	* @value: value of the measure. Should range from 0 to 0xffff;
427	* @scale: Filled with enum fecap_scale_params - the scale
428	* in usage for that parameter
429	*
430	* For most delivery systems, this will return a single value for each
431	* parameter.
432	* It should be noticed, however, that new OFDM delivery systems like
433	* ISDB can use different modulation types for each group of carriers.
434	* On such standards, up to 8 groups of statistics can be provided, one
435	* for each carrier group (called "layer" on ISDB).
436	* In order to be consistent with other delivery systems, the first
437	* value refers to the entire set of carriers ("global").
438	* dtv_status:scale should use the value FE_SCALE_NOT_AVAILABLE when
439	* the value for the entire group of carriers or from one specific layer
440	* is not provided by the hardware.
441	* st.len should be filled with the latest filled status + 1.
442	*
443	* In other words, for ISDB, those values should be filled like:
444	* u.st.stat.svalue[0] = global statistics;
445	* u.st.stat.scale[0] = FE_SCALE_DECIBEL;
446	* u.st.stat.value[1] = layer A statistics;
447	* u.st.stat.scale[1] = FE_SCALE_NOT_AVAILABLE (if not available);
448	* u.st.stat.svalue[2] = layer B statistics;
449	* u.st.stat.scale[2] = FE_SCALE_DECIBEL;
450	* u.st.stat.svalue[3] = layer C statistics;
451	* u.st.stat.scale[3] = FE_SCALE_DECIBEL;
452	* u.st.len = 4;
453	*/
454	struct dtv_stats {
455	__u8 scale; /* enum fecap_scale_params type */
456	union {
457	__u64 uvalue; /* for counters and relative scales */
458	__s64 svalue; /* for 0.001 dB measures */
459	};
460	} __attribute__ ((packed));
461
462
463	#define MAX_DTV_STATS 4
464
465	struct dtv_fe_stats {
466	__u8 len;
467	struct dtv_stats stat[MAX_DTV_STATS];
468	} __attribute__ ((packed));
469
470	struct dtv_property {
471	__u32 cmd;
472	__u32 reserved[3];
473	union {
474	__u32 data;
475	struct dtv_fe_stats st;
476	struct {
477	__u8 data[32];
478	__u32 len;
479	__u32 reserved1[3];
480	void *reserved2;
481	} buffer;
482	} u;
483	int result;
484	} __attribute__ ((packed));
485
486	/* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */
487	#define DTV_IOCTL_MAX_MSGS 64
488
489	struct dtv_properties {
490	__u32 num;
491	struct dtv_property *props;
492	};
493
494	#if defined(__DVB_CORE__) \|\| !defined (__KERNEL__)
495
496	/*
497	* DEPRECATED: The DVBv3 ioctls, structs and enums should not be used on
498	* newer programs, as it doesn't support the second generation of digital
499	* TV standards, nor supports newer delivery systems.
500	*/
501
502	enum fe_bandwidth {
503	BANDWIDTH_8_MHZ,
504	BANDWIDTH_7_MHZ,
505	BANDWIDTH_6_MHZ,
506	BANDWIDTH_AUTO,
507	BANDWIDTH_5_MHZ,
508	BANDWIDTH_10_MHZ,
509	BANDWIDTH_1_712_MHZ,
510	};
511
512	/* This is needed for legacy userspace support */
513	typedef enum fe_sec_voltage fe_sec_voltage_t;
514	typedef enum fe_caps fe_caps_t;
515	typedef enum fe_type fe_type_t;
516	typedef enum fe_sec_tone_mode fe_sec_tone_mode_t;
517	typedef enum fe_sec_mini_cmd fe_sec_mini_cmd_t;
518	typedef enum fe_status fe_status_t;
519	typedef enum fe_spectral_inversion fe_spectral_inversion_t;
520	typedef enum fe_code_rate fe_code_rate_t;
521	typedef enum fe_modulation fe_modulation_t;
522	typedef enum fe_transmit_mode fe_transmit_mode_t;
523	typedef enum fe_bandwidth fe_bandwidth_t;
524	typedef enum fe_guard_interval fe_guard_interval_t;
525	typedef enum fe_hierarchy fe_hierarchy_t;
526	typedef enum fe_pilot fe_pilot_t;
527	typedef enum fe_rolloff fe_rolloff_t;
528	typedef enum fe_delivery_system fe_delivery_system_t;
529
530	struct dvb_qpsk_parameters {
531	__u32 symbol_rate; /* symbol rate in Symbols per second */
532	fe_code_rate_t fec_inner; /* forward error correction (see above) */
533	};
534
535	struct dvb_qam_parameters {
536	__u32 symbol_rate; /* symbol rate in Symbols per second */
537	fe_code_rate_t fec_inner; /* forward error correction (see above) */
538	fe_modulation_t modulation; /* modulation type (see above) */
539	};
540
541	struct dvb_vsb_parameters {
542	fe_modulation_t modulation; /* modulation type (see above) */
543	};
544
545	struct dvb_ofdm_parameters {
546	fe_bandwidth_t bandwidth;
547	fe_code_rate_t code_rate_HP; /* high priority stream code rate */
548	fe_code_rate_t code_rate_LP; /* low priority stream code rate */
549	fe_modulation_t constellation; /* modulation type (see above) */
550	fe_transmit_mode_t transmission_mode;
551	fe_guard_interval_t guard_interval;
552	fe_hierarchy_t hierarchy_information;
553	};
554
555	struct dvb_frontend_parameters {
556	__u32 frequency; /* (absolute) frequency in Hz for DVB-C/DVB-T/ATSC */
557	/* intermediate frequency in kHz for DVB-S */
558	fe_spectral_inversion_t inversion;
559	union {
560	struct dvb_qpsk_parameters qpsk; /* DVB-S */
561	struct dvb_qam_parameters qam; /* DVB-C */
562	struct dvb_ofdm_parameters ofdm; /* DVB-T */
563	struct dvb_vsb_parameters vsb; /* ATSC */
564	} u;
565	};
566
567	struct dvb_frontend_event {
568	fe_status_t status;
569	struct dvb_frontend_parameters parameters;
570	};
571	#endif
572
573	#define FE_SET_PROPERTY _IOW('o', 82, struct dtv_properties)
574	#define FE_GET_PROPERTY _IOR('o', 83, struct dtv_properties)
575
576	/**
577	* When set, this flag will disable any zigzagging or other "normal" tuning
578	* behaviour. Additionally, there will be no automatic monitoring of the lock
579	* status, and hence no frontend events will be generated. If a frontend device
580	* is closed, this flag will be automatically turned off when the device is
581	* reopened read-write.
582	*/
583	#define FE_TUNE_MODE_ONESHOT 0x01
584
585	#define FE_GET_INFO _IOR('o', 61, struct dvb_frontend_info)
586
587	#define FE_DISEQC_RESET_OVERLOAD _IO('o', 62)
588	#define FE_DISEQC_SEND_MASTER_CMD _IOW('o', 63, struct dvb_diseqc_master_cmd)
589	#define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply)
590	#define FE_DISEQC_SEND_BURST _IO('o', 65) /* fe_sec_mini_cmd_t */
591
592	#define FE_SET_TONE _IO('o', 66) /* fe_sec_tone_mode_t */
593	#define FE_SET_VOLTAGE _IO('o', 67) /* fe_sec_voltage_t */
594	#define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68) /* int */
595
596	#define FE_READ_STATUS _IOR('o', 69, fe_status_t)
597	#define FE_READ_BER _IOR('o', 70, __u32)
598	#define FE_READ_SIGNAL_STRENGTH _IOR('o', 71, __u16)
599	#define FE_READ_SNR _IOR('o', 72, __u16)
600	#define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32)
601
602	#define FE_SET_FRONTEND _IOW('o', 76, struct dvb_frontend_parameters)
603	#define FE_GET_FRONTEND _IOR('o', 77, struct dvb_frontend_parameters)
604	#define FE_SET_FRONTEND_TUNE_MODE _IO('o', 81) /* unsigned int */
605	#define FE_GET_EVENT _IOR('o', 78, struct dvb_frontend_event)
606
607	#define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */
608
609	#endif /_DVBFRONTEND_H_/