/*

 * 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_

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_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 {

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_*/