PATCH 1/44 multiproto + backward compatibility [Frontend API]

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--- v4l-dvb/linux/include/linux/dvb/frontend.h	2006-06-30 19:59:11.000000000 +0400
+++ mp-bc1/linux/include/linux/dvb/frontend.h	2006-07-25 12:20:47.000000000 +0400
@@ -234,12 +234,6 @@ struct dvb_frontend_parameters {
 };
 
 
-struct dvb_frontend_event {
-	fe_status_t status;
-	struct dvb_frontend_parameters parameters;
-};
-
-
 /**
  * When set, this flag will disable any zigzagging or other "normal" tuning
  * behaviour. Additionally, there will be no automatic monitoring of the lock
@@ -270,8 +264,433 @@ struct dvb_frontend_event {
 #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 */
 
+/*
+ *	References:
+ *	DVB-S : EN 300 421
+ *	DVB-S2: EN 302 307, TR 102 376, EN 301 210
+ *	DVB-C : EN 300 429
+ *	DVB-T : EN 300 744
+ *	DVB-H :	EN 300 304
+ *	ATSC  : A/53A
+ */
+
+/*
+ *	Delivery Systems
+ *	needs to set/queried for multistandard frontends
+ */
+enum dvbfe_delsys {
+	DVBFE_DELSYS_DVBS		= (1 <<  0),
+	DVBFE_DELSYS_DSS		= (1 <<  1),
+	DVBFE_DELSYS_DVBS2		= (1 <<  2),
+	DVBFE_DELSYS_DVBC		= (1 <<  3),
+	DVBFE_DELSYS_DVBT		= (1 <<  4),
+	DVBFE_DELSYS_DVBH		= (1 <<  5),
+	DVBFE_DELSYS_ATSC		= (1 <<  6),
+	DVBFE_DELSYS_DUMMY		= (1 << 31)
+};
+#define DVBFE_GET_DELSYS		_IOR('o', 82, enum dvbfe_delsys)
+
+/*
+ *	Modulation types
+ */
+enum dvbfe_modulation {
+	DVBFE_MOD_NONE			= (0 <<  0),
+	DVBFE_MOD_BPSK			= (1 <<  0),
+	DVBFE_MOD_QPSK			= (1 <<  1),
+	DVBFE_MOD_OQPSK			= (1 <<  2),
+	DVBFE_MOD_8PSK			= (1 <<  3),
+	DVBFE_MOD_16APSK		= (1 <<  4),
+	DVBFE_MOD_32APSK		= (1 <<  5),
+	DVBFE_MOD_QAM4			= (1 <<  6),
+	DVBFE_MOD_QAM16			= (1 <<  7),
+	DVBFE_MOD_QAM32			= (1 <<  8),
+	DVBFE_MOD_QAM64			= (1 <<  9),
+	DVBFE_MOD_QAM128		= (1 << 10),
+	DVBFE_MOD_QAM256		= (1 << 11),
+	DVBFE_MOD_QAM512		= (1 << 12),
+	DVBFE_MOD_QAM1024		= (1 << 13),
+	DVBFE_MOD_QAMAUTO		= (1 << 14),
+	DVBFE_MOD_OFDM			= (1 << 15),
+	DVBFE_MOD_COFDM			= (1 << 16),
+	DVBFE_MOD_VSB8			= (1 << 17),
+	DVBFE_MOD_VSB16			= (1 << 18),
+	DVBFE_MOD_AUTO			= (1 << 31)
+};
+
+/*
+ *	Convolution Code Rate (Viterbi Inner Code Rate)
+ *	DVB-S2 uses LDPC. Information on LDPC can be found at
+ *	http://www.ldpc-codes.com
+ */
+enum dvbfe_fec {
+	DVBFE_FEC_NONE			= (0 <<  0),
+	DVBFE_FEC_1_4			= (1 <<  0),
+	DVBFE_FEC_1_3			= (1 <<  1),
+	DVBFE_FEC_2_5			= (1 <<  2),
+	DVBFE_FEC_1_2			= (1 <<  3),
+	DVBFE_FEC_3_5			= (1 <<  4),
+	DVBFE_FEC_2_3			= (1 <<  5),
+	DVBFE_FEC_3_4			= (1 <<  6),
+	DVBFE_FEC_4_5			= (1 <<  7),
+	DVBFE_FEC_5_6			= (1 <<  8),
+	DVBFE_FEC_6_7			= (1 <<  9),
+	DVBFE_FEC_7_8			= (1 << 10),
+	DVBFE_FEC_8_9			= (1 << 11),
+	DVBFE_FEC_9_10			= (1 << 12),
+	DVBFE_FEC_AUTO			= (1 << 31)
+};
+
+/*
+ *	Frontend Inversion (I/Q Swap)
+ */
+enum dvbfe_inversion {
+	DVBFE_INVERSION_OFF		= 0,
+	DVBFE_INVERSION_ON,
+	DVBFE_INVERSION_AUTO
+};
+
+/*
+ *	DVB-S parameters
+ */
+struct dvbs_params {
+	__u32				symbol_rate;
+
+	enum dvbfe_modulation		modulation;
+	enum dvbfe_fec			fec;
+};
+
+/*
+ *	DSS parameters
+ */
+struct dss_params {
+	__u32				symbol_rate;
+
+	enum dvbfe_modulation		modulation;
+	enum dvbfe_fec			fec;
+
+	__u8				pad[32];
+};
+
+/*
+ *	Rolloff Rate (Nyquist Filter Rolloff)
+ *	NOTE: DVB-S2 has rates of 0.20, 0.25, 0.35
+ *	Values are x100
+ *	Applies to DVB-S2
+ */
+enum dvbfe_rolloff {
+	DVBFE_ROLLOFF_35		= (0 <<  0),
+	DVBFE_ROLLOFF_25		= (1 <<  0),
+	DVBFE_ROLLOFF_20		= (2 <<  0),
+	DVBFE_ROLLOFF_UNKNOWN		= (3 <<  0)
+};
+
+/*
+ *	DVB-S2 parameters
+ */
+struct dvbs2_params {
+	__u32				symbol_rate;
+
+	enum dvbfe_modulation		modulation;
+	enum dvbfe_fec			fec;
+
+	/*	Informational fields only	*/
+	__u8				matype_1;
+	__u8				matype_2;
+
+	__u8				pad[32];
+};
+
+/*
+ *	DVB-C parameters
+ */
+struct dvbc_params {
+	__u32				symbol_rate;
+	enum dvbfe_modulation		modulation;
+	enum dvbfe_fec			fec;
+};
+
+/*
+ *	DVB-T Channel bandwidth
+ */
+enum dvbfe_bandwidth {
+	DVBFE_BANDWIDTH_8_MHZ		= (1 <<  0),
+	DVBFE_BANDWIDTH_7_MHZ		= (1 <<  1),
+	DVBFE_BANDWIDTH_6_MHZ		= (1 <<  2),
+	DVBFE_BANDWIDTH_5_MHZ		= (1 <<  3),
+	DVBFE_BANDWIDTH_AUTO		= (1 << 31)
+};
+
+/*
+ *	DVB-T/DVB-H transmission mode
+ */
+enum dvbfe_transmission_mode {
+	DVBFE_TRANSMISSION_MODE_2K	= (1 <<  0),
+	DVBFE_TRANSMISSION_MODE_4K	= (1 <<  1),
+	DVBFE_TRANSMISSION_MODE_8K	= (1 <<  2),
+	DVBFE_TRANSMISSION_MODE_AUTO	= (1 << 31)
+};
+
+/*
+ *	DVB-T/DVB-H Guard interval
+ */
+enum dvbfe_guard_interval {
+	DVBFE_GUARD_INTERVAL_1_32	= (1 <<  1),
+	DVBFE_GUARD_INTERVAL_1_16	= (1 <<  2),
+	DVBFE_GUARD_INTERVAL_1_8	= (1 <<  3),
+	DVBFE_GUARD_INTERVAL_1_4	= (1 <<  4),
+	DVBFE_GUARD_INTERVAL_AUTO	= (1 << 31)
+};
+
+/*
+ *	DVB-T/DVB-H Hierarchial modulation
+ */
+enum dvbfe_hierarchy {
+	DVBFE_HIERARCHY_OFF		= (1 <<  0),
+	DVBFE_HIERARCHY_ON		= (1 <<  1),
+	DVBFE_HIERARCHY_AUTO		= (1 << 31)
+};
+
+/*
+ *	DVB-T/DVB-H Rolloff's
+ */
+enum dvbfe_alpha {
+	DVBFE_ALPHA_1			= (1 <<  0),
+	DVBFE_ALPHA_2			= (1 <<  1),
+	DVBFE_ALPHA_4			= (1 <<  2)
+};
+
+/*
+ *	Stream priority for Hierachial coding
+ */
+enum dvbfe_stream_priority {
+	DVBFE_STREAM_PRIORITY_HP	= (0 << 0),
+	DVBFE_STREAM_PRIORITY_LP	= (1 << 0)
+};
+
+/*
+ *	DVB-T parameters
+ */
+struct dvbt_params {
+	enum dvbfe_modulation		constellation;
+	enum dvbfe_bandwidth		bandwidth;
+	enum dvbfe_fec			code_rate_HP;
+	enum dvbfe_fec			code_rate_LP;
+	enum dvbfe_transmission_mode	transmission_mode;
+	enum dvbfe_guard_interval	guard_interval;
+	enum dvbfe_hierarchy		hierarchy;
+	enum dvbfe_alpha		alpha;
+	enum dvbfe_stream_priority	priority;
+
+	__u8				pad[32];
+};
+
+/*
+ *	DVB-H Interleaver type
+ */
+enum dvbfe_interleaver {
+	DVBFE_INTERLEAVER_NATIVE	= (1 <<  0),
+	DVBFE_INTERLEAVER_INDEPTH	= (1 <<  1),
+	DVBFE_INTERLEAVER_AUTO		= (1 << 31)
+};
+
+/*
+ *	DVB-H MPE-FEC Indicator
+ */
+enum dvbfe_mpefec {
+	DVBFE_MPEFEC_OFF		= (1 <<  0),
+	DVBFE_MPEFEC_ON			= (1 <<  1)
+};
+
+/*
+ *	DVB-H Timeslicing Indicator
+ */
+enum dvbfe_timeslicing {
+	DVBFE_TIMESLICING_OFF		= (1 <<  0),
+	DVBFE_TIMESLICING_ON		= (1 <<  1)
+};
+
+/*
+ *	DVB-H parameters
+ */
+struct dvbh_params {
+	enum dvbfe_modulation		constellation;
+	enum dvbfe_fec			code_rate_HP;
+	enum dvbfe_fec			code_rate_LP;
+	enum dvbfe_transmission_mode	transmission_mode;
+	enum dvbfe_guard_interval	guard_interval;
+	enum dvbfe_hierarchy		hierarchy;
+	enum dvbfe_alpha		alpha;
+	enum dvbfe_interleaver		interleaver;
+	enum dvbfe_mpefec		mpefec;
+	enum dvbfe_timeslicing		timeslicing;
+	enum dvbfe_stream_priority	priority;
+
+	__u32				bandwidth;
+	__u8				pad[32];
+};
+
+/*
+ *	ATSC parameters
+ */
+struct atsc_params {
+	enum dvbfe_modulation		modulation;
+
+	__u8				pad[32];
+};
+
+/*
+ *	DVB Frontend Tuning Parameters
+ */
+struct dvbfe_params {
+	__u32				frequency;
+	enum fe_spectral_inversion	inversion;
+	enum dvbfe_delsys		delivery;
+
+	__u8				pad[32];
+
+	union {
+		struct dvbs_params	dvbs;
+		struct dss_params	dss;
+		struct dvbs2_params	dvbs2;
+		struct dvbc_params	dvbc;
+		struct dvbt_params	dvbt;
+		struct dvbh_params	dvbh;
+		struct atsc_params	atsc;
+
+		__u8			pad[128];
+	} delsys;
+};
+#define DVBFE_SET_PARAMS		_IOW('o', 83, struct dvbfe_params)
+#define DVBFE_GET_PARAMS		_IOWR('o', 84, struct dvbfe_params)
+
+/*
+ *	DVB-S capability bitfields
+ */
+struct dvbfe_dvbs_info {
+	enum dvbfe_modulation		modulation;
+	enum dvbfe_fec			fec;
+};
+
+/*
+ *	DSS capability bitfields
+ */
+struct dvbfe_dss_info {
+	enum dvbfe_modulation		modulation;
+	enum dvbfe_fec			fec;
+};
+
+/*
+ *	DVB-S2 capability bitfields
+ */
+struct dvbfe_dvbs2_info {
+	enum dvbfe_modulation		modulation;
+	enum dvbfe_fec			fec;
+
+	__u8				pad[32];
+};
+
+/*
+ *	DVB-C capability bitfields
+ */
+struct dvbfe_dvbc_info {
+	enum dvbfe_modulation		modulation;
+};
+
+/*
+ *	DVB-T capability bitfields
+ */
+struct dvbfe_dvbt_info {
+	enum dvbfe_modulation		modulation;
+	enum dvbfe_stream_priority	stream_priority;
+
+	__u8				pad[32];
+};
+
+/*
+ *	DVB-H capability bitfields
+ */
+struct dvbfe_dvbh_info {
+	enum dvbfe_modulation		modulation;
+	enum dvbfe_stream_priority	stream_priority;
+
+	__u8				pad[32];
+};
+
+/*
+ *	ATSC capability bitfields
+ */
+struct dvbfe_atsc_info {
+	enum dvbfe_modulation		modulation;
+
+	__u8				pad[32];
+};
+
+/*
+ *	DVB Frontend related Information
+ */
+struct dvbfe_info {
+	char				name[128];
+
+	/*	For Multi Standard tuners, set "delivery"
+	 *	to the relevant delivery system to retrieve the
+	 *	relevant delivery system related information.
+	 */
+	enum dvbfe_delsys		delivery;
+
+	union {
+		struct dvbfe_dvbs_info	dvbs;
+		struct dvbfe_dss_info	dss;
+		struct dvbfe_dvbs2_info	dvbs2;
+		struct dvbfe_dvbc_info	dvbc;
+		struct dvbfe_dvbt_info	dvbt;
+		struct dvbfe_dvbh_info	dvbh;
+		struct dvbfe_atsc_info	atsc;
+
+		__u8			pad[128];
+	} delsys;
+
+	__u32				frequency_min;
+	__u32				frequency_max;
+	__u32				frequency_step;
+	__u32				frequency_tolerance;
+	__u32				symbol_rate_min;
+	__u32				symbol_rate_max;
+	__u32				symbol_rate_tolerance;
+
+	enum fe_spectral_inversion	inversion;
+
+	__u8				pad[128];
+};
+#define DVBFE_GET_INFO			_IOWR('o', 85, struct dvbfe_info)
+
+enum dvbfe_status {
+	DVBFE_HAS_SIGNAL		= (1 <<  0),	/*  something above noise floor	*/
+	DVBFE_HAS_CARRIER		= (1 <<  1),	/*  Signal found		*/
+	DVBFE_HAS_VITERBI		= (1 <<  2),	/*  FEC is stable		*/
+	DVBFE_HAS_SYNC			= (1 <<  3),	/*  SYNC found			*/
+	DVBFE_HAS_LOCK			= (1 <<  4),	/*  OK ..			*/
+	DVBFE_TIMEDOUT			= (1 <<  5),	/*  no lock in last ~2 s	*/
+	DVBFE_STATUS_DUMMY		= (1 << 31)
+};
+
+/*
+ *	DVB Frontend events
+ */
+struct dvbfe_events {
+	enum dvbfe_status		status;
+
+	__u8				pad[32];
+};
+
+struct dvb_frontend_event {
+	fe_status_t status;
+	struct dvb_frontend_parameters parameters;
+	struct dvbfe_events fe_events;
+	struct dvbfe_params fe_params;
+};
+#define FE_GET_EVENT		   _IOR('o', 78, struct dvb_frontend_event)
+
 #endif /*_DVBFRONTEND_H_*/

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