* DVB Update [PATCH 1/31] multiproto tree
@ 2008-09-04 18:35 Manu Abraham
0 siblings, 0 replies; only message in thread
From: Manu Abraham @ 2008-09-04 18:35 UTC (permalink / raw)
To: linux-kernel, v4l-dvb-maintainer, akpm
[-- Attachment #1: Type: text/plain, Size: 504 bytes --]
>From b7610ae0277728a4ec1e63d9c047f5e07db07580 Mon Sep 17 00:00:00 2001
From: Manu Abraham <manu@linuxtv.org>
Date: Thu, 4 Sep 2008 11:43:18 +0200
Subject: [PATCH] DVB Frontend API changes
* Add support for DSS, DVB-S2, DVB-H delivery systems,
modulations and other parameters
From: Manu Abraham <abraham.manu@gmail.com>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
frontend.h | 386
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 379 insertions(+), 7 deletions(-)
[-- Attachment #2: 1.patch --]
[-- Type: text/x-patch, Size: 10793 bytes --]
>From b7610ae0277728a4ec1e63d9c047f5e07db07580 Mon Sep 17 00:00:00 2001
From: Manu Abraham <manu@linuxtv.org>
Date: Thu, 4 Sep 2008 11:43:18 +0200
Subject: [PATCH] DVB Frontend API changes
* Add support for DSS, DVB-S2, DVB-H delivery systems,
modulations and other parameters
From: Manu Abraham <abraham.manu@gmail.com>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h
index c8cbd90..b17c218 100644
--- a/include/linux/dvb/frontend.h
+++ b/include/linux/dvb/frontend.h
@@ -7,6 +7,8 @@
* Andre Draszik <ad@convergence.de>
* for convergence integrated media GmbH
*
+ * Copyright (C) Manu Abraham <abraham.manu@gmail.com>
+ *
* 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
@@ -234,12 +236,6 @@ 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 +266,384 @@ 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 = 1,
+ DVBFE_INVERSION_AUTO = 2
+};
+
+/* 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;
+};
+
+/*
+ * 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,
+ DVBFE_ROLLOFF_25 = 1,
+ DVBFE_ROLLOFF_20 = 2,
+ DVBFE_ROLLOFF_UNKNOWN = 3
+};
+
+/* DVB-S2 parameters */
+struct dvbs2_params {
+ __u32 symbol_rate;
+
+ enum dvbfe_modulation modulation;
+ enum dvbfe_fec fec;
+
+ /* Informational fields only */
+ enum dvbfe_rolloff rolloff;
+
+ __u8 matype_1;
+ __u8 matype_2;
+ __u8 upl_1;
+ __u8 upl_2;
+ __u8 dfl_1;
+ __u8 dfl_2;
+ __u8 sync;
+ __u8 syncd_1;
+ __u8 syncd_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 << 2)
+};
+
+/* 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 (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_*/
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2008-09-04 18:35 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2008-09-04 18:35 DVB Update [PATCH 1/31] multiproto tree Manu Abraham
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox