include/linux/dvb/frontend.h - kernel/msm-4.9 - Gitiles

 /*
  * 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 <asm/types.h>


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


 typedef 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_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 */
 } fe_caps_t;


 struct dvb_frontend_info {
 	char       name[128];
 	fe_type_t  type;
 	__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 */
 	fe_caps_t  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  */


 typedef enum fe_sec_voltage {
 	SEC_VOLTAGE_13,
 	SEC_VOLTAGE_18,
 	SEC_VOLTAGE_OFF
 } fe_sec_voltage_t;


 typedef enum fe_sec_tone_mode {
 	SEC_TONE_ON,
 	SEC_TONE_OFF
 } fe_sec_tone_mode_t;


 typedef enum fe_sec_mini_cmd {
 	SEC_MINI_A,
 	SEC_MINI_B
 } fe_sec_mini_cmd_t;


 typedef 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,  */
 } fe_status_t;			  /* application is recommended to reset */
 				  /* DiSEqC, tone and parameters */

 typedef enum fe_spectral_inversion {
 	INVERSION_OFF,
 	INVERSION_ON,
 	INVERSION_AUTO
 } fe_spectral_inversion_t;


 typedef 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,
 } fe_code_rate_t;


 typedef 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,
 } fe_modulation_t;

 typedef enum fe_transmit_mode {
 	TRANSMISSION_MODE_2K,
 	TRANSMISSION_MODE_8K,
 	TRANSMISSION_MODE_AUTO
 } fe_transmit_mode_t;

 typedef enum fe_bandwidth {
 	BANDWIDTH_8_MHZ,
 	BANDWIDTH_7_MHZ,
 	BANDWIDTH_6_MHZ,
 	BANDWIDTH_AUTO
 } fe_bandwidth_t;


 typedef enum fe_guard_interval {
 	GUARD_INTERVAL_1_32,
 	GUARD_INTERVAL_1_16,
 	GUARD_INTERVAL_1_8,
 	GUARD_INTERVAL_1_4,
 	GUARD_INTERVAL_AUTO
 } fe_guard_interval_t;


 typedef enum fe_hierarchy {
 	HIERARCHY_NONE,
 	HIERARCHY_1,
 	HIERARCHY_2,
 	HIERARCHY_4,
 	HIERARCHY_AUTO
 } fe_hierarchy_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 QAM/OFDM/ATSC */
 			     /* intermediate frequency in kHz for QPSK */
 	fe_spectral_inversion_t inversion;
 	union {
 		struct dvb_qpsk_parameters qpsk;
 		struct dvb_qam_parameters  qam;
 		struct dvb_ofdm_parameters ofdm;
 		struct dvb_vsb_parameters vsb;
 	} u;
 };


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

 /* 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

 #define DTV_API_VERSION				35
 #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_MAX_COMMAND				DTV_HIERARCHY

 typedef enum fe_pilot {
 	PILOT_ON,
 	PILOT_OFF,
 	PILOT_AUTO,
 } fe_pilot_t;

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

 typedef enum fe_delivery_system {
 	SYS_UNDEFINED,
 	SYS_DVBC_ANNEX_AC,
 	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_DMBTH,
 	SYS_CMMB,
 	SYS_DAB,
 } fe_delivery_system_t;

 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 */
 };

 struct dtv_property {
 	__u32 cmd;
 	__u32 reserved[3];
 	union {
 		__u32 data;
 		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;
 };

 #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_*/
	/*
	* 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 <asm/types.h>


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


	typedef 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_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 */
	} fe_caps_t;


	struct dvb_frontend_info {
	char name[128];
	fe_type_t type;
	__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 */
	fe_caps_t 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 */


	typedef enum fe_sec_voltage {
	SEC_VOLTAGE_13,
	SEC_VOLTAGE_18,
	SEC_VOLTAGE_OFF
	} fe_sec_voltage_t;


	typedef enum fe_sec_tone_mode {
	SEC_TONE_ON,
	SEC_TONE_OFF
	} fe_sec_tone_mode_t;


	typedef enum fe_sec_mini_cmd {
	SEC_MINI_A,
	SEC_MINI_B
	} fe_sec_mini_cmd_t;


	typedef 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, */
	} fe_status_t; /* application is recommended to reset */
	/* DiSEqC, tone and parameters */

	typedef enum fe_spectral_inversion {
	INVERSION_OFF,
	INVERSION_ON,
	INVERSION_AUTO
	} fe_spectral_inversion_t;


	typedef 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,
	} fe_code_rate_t;


	typedef 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,
	} fe_modulation_t;

	typedef enum fe_transmit_mode {
	TRANSMISSION_MODE_2K,
	TRANSMISSION_MODE_8K,
	TRANSMISSION_MODE_AUTO
	} fe_transmit_mode_t;

	typedef enum fe_bandwidth {
	BANDWIDTH_8_MHZ,
	BANDWIDTH_7_MHZ,
	BANDWIDTH_6_MHZ,
	BANDWIDTH_AUTO
	} fe_bandwidth_t;


	typedef enum fe_guard_interval {
	GUARD_INTERVAL_1_32,
	GUARD_INTERVAL_1_16,
	GUARD_INTERVAL_1_8,
	GUARD_INTERVAL_1_4,
	GUARD_INTERVAL_AUTO
	} fe_guard_interval_t;


	typedef enum fe_hierarchy {
	HIERARCHY_NONE,
	HIERARCHY_1,
	HIERARCHY_2,
	HIERARCHY_4,
	HIERARCHY_AUTO
	} fe_hierarchy_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 QAM/OFDM/ATSC */
	/* intermediate frequency in kHz for QPSK */
	fe_spectral_inversion_t inversion;
	union {
	struct dvb_qpsk_parameters qpsk;
	struct dvb_qam_parameters qam;
	struct dvb_ofdm_parameters ofdm;
	struct dvb_vsb_parameters vsb;
	} u;
	};


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

	/* 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

	#define DTV_API_VERSION 35
	#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_MAX_COMMAND DTV_HIERARCHY

	typedef enum fe_pilot {
	PILOT_ON,
	PILOT_OFF,
	PILOT_AUTO,
	} fe_pilot_t;

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

	typedef enum fe_delivery_system {
	SYS_UNDEFINED,
	SYS_DVBC_ANNEX_AC,
	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_DMBTH,
	SYS_CMMB,
	SYS_DAB,
	} fe_delivery_system_t;

	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 */
	};

	struct dtv_property {
	__u32 cmd;
	__u32 reserved[3];
	union {
	__u32 data;
	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;
	};

	#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_/