5 * Copyright (C) 2000 Marcus Metzler <marcus@convergence.de>
6 * Ralph Metzler <ralph@convergence.de>
7 * Holger Waechtler <holger@convergence.de>
8 * Andre Draszik <ad@convergence.de>
9 * for convergence integrated media GmbH
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public License
13 * as published by the Free Software Foundation; either version 2.1
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 #ifndef _DVBFRONTEND_H_
28 #define _DVBFRONTEND_H_
30 #include <linux/types.h>
32 typedef enum fe_type {
40 typedef enum fe_caps {
42 FE_CAN_INVERSION_AUTO = 0x1,
46 FE_CAN_FEC_4_5 = 0x10,
47 FE_CAN_FEC_5_6 = 0x20,
48 FE_CAN_FEC_6_7 = 0x40,
49 FE_CAN_FEC_7_8 = 0x80,
50 FE_CAN_FEC_8_9 = 0x100,
51 FE_CAN_FEC_AUTO = 0x200,
53 FE_CAN_QAM_16 = 0x800,
54 FE_CAN_QAM_32 = 0x1000,
55 FE_CAN_QAM_64 = 0x2000,
56 FE_CAN_QAM_128 = 0x4000,
57 FE_CAN_QAM_256 = 0x8000,
58 FE_CAN_QAM_AUTO = 0x10000,
59 FE_CAN_TRANSMISSION_MODE_AUTO = 0x20000,
60 FE_CAN_BANDWIDTH_AUTO = 0x40000,
61 FE_CAN_GUARD_INTERVAL_AUTO = 0x80000,
62 FE_CAN_HIERARCHY_AUTO = 0x100000,
63 FE_CAN_8VSB = 0x200000,
64 FE_CAN_16VSB = 0x400000,
65 FE_HAS_EXTENDED_CAPS = 0x800000, /* We need more bitspace for newer APIs, indicate this. */
66 FE_CAN_2G_MODULATION = 0x10000000, /* frontend supports "2nd generation modulation" (DVB-S2) */
67 FE_NEEDS_BENDING = 0x20000000, /* not supported anymore, don't use (frontend requires frequency bending) */
68 FE_CAN_RECOVER = 0x40000000, /* frontend can recover from a cable unplug automatically */
69 FE_CAN_MUTE_TS = 0x80000000 /* frontend can stop spurious TS data output */
73 struct dvb_frontend_info {
78 __u32 frequency_stepsize;
79 __u32 frequency_tolerance;
80 __u32 symbol_rate_min;
81 __u32 symbol_rate_max;
82 __u32 symbol_rate_tolerance; /* ppm */
83 __u32 notifier_delay; /* DEPRECATED */
89 * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
90 * the meaning of this struct...
92 struct dvb_diseqc_master_cmd {
93 __u8 msg [6]; /* { framing, address, command, data [3] } */
94 __u8 msg_len; /* valid values are 3...6 */
98 struct dvb_diseqc_slave_reply {
99 __u8 msg [4]; /* { framing, data [3] } */
100 __u8 msg_len; /* valid values are 0...4, 0 means no msg */
101 int timeout; /* return from ioctl after timeout ms with */
102 }; /* errorcode when no message was received */
105 typedef enum fe_sec_voltage {
112 typedef enum fe_sec_tone_mode {
115 } fe_sec_tone_mode_t;
118 typedef enum fe_sec_mini_cmd {
124 typedef enum fe_status {
125 FE_HAS_SIGNAL = 0x01, /* found something above the noise level */
126 FE_HAS_CARRIER = 0x02, /* found a DVB signal */
127 FE_HAS_VITERBI = 0x04, /* FEC is stable */
128 FE_HAS_SYNC = 0x08, /* found sync bytes */
129 FE_HAS_LOCK = 0x10, /* everything's working... */
130 FE_TIMEDOUT = 0x20, /* no lock within the last ~2 seconds */
131 FE_REINIT = 0x40 /* frontend was reinitialized, */
132 } fe_status_t; /* application is recommended to reset */
133 /* DiSEqC, tone and parameters */
135 typedef enum fe_spectral_inversion {
139 } fe_spectral_inversion_t;
142 typedef enum fe_code_rate {
158 typedef enum fe_modulation {
174 typedef enum fe_transmit_mode {
175 TRANSMISSION_MODE_2K,
176 TRANSMISSION_MODE_8K,
177 TRANSMISSION_MODE_AUTO,
179 } fe_transmit_mode_t;
181 typedef enum fe_bandwidth {
189 typedef enum fe_guard_interval {
195 } fe_guard_interval_t;
198 typedef enum fe_hierarchy {
207 struct dvb_qpsk_parameters {
208 __u32 symbol_rate; /* symbol rate in Symbols per second */
209 fe_code_rate_t fec_inner; /* forward error correction (see above) */
212 struct dvb_qam_parameters {
213 __u32 symbol_rate; /* symbol rate in Symbols per second */
214 fe_code_rate_t fec_inner; /* forward error correction (see above) */
215 fe_modulation_t modulation; /* modulation type (see above) */
218 struct dvb_vsb_parameters {
219 fe_modulation_t modulation; /* modulation type (see above) */
222 struct dvb_ofdm_parameters {
223 fe_bandwidth_t bandwidth;
224 fe_code_rate_t code_rate_HP; /* high priority stream code rate */
225 fe_code_rate_t code_rate_LP; /* low priority stream code rate */
226 fe_modulation_t constellation; /* modulation type (see above) */
227 fe_transmit_mode_t transmission_mode;
228 fe_guard_interval_t guard_interval;
229 fe_hierarchy_t hierarchy_information;
233 struct dvb_frontend_parameters {
234 __u32 frequency; /* (absolute) frequency in Hz for QAM/OFDM/ATSC */
235 /* intermediate frequency in kHz for QPSK */
236 fe_spectral_inversion_t inversion;
238 struct dvb_qpsk_parameters qpsk;
239 struct dvb_qam_parameters qam;
240 struct dvb_ofdm_parameters ofdm;
241 struct dvb_vsb_parameters vsb;
246 struct dvb_frontend_event {
248 struct dvb_frontend_parameters parameters;
252 #define DTV_UNDEFINED 0
255 #define DTV_FREQUENCY 3
256 #define DTV_MODULATION 4
257 #define DTV_BANDWIDTH_HZ 5
258 #define DTV_INVERSION 6
259 #define DTV_DISEQC_MASTER 7
260 #define DTV_SYMBOL_RATE 8
261 #define DTV_INNER_FEC 9
262 #define DTV_VOLTAGE 10
265 #define DTV_ROLLOFF 13
266 #define DTV_DISEQC_SLAVE_REPLY 14
268 /* Basic enumeration set for querying unlimited capabilities */
269 #define DTV_FE_CAPABILITY_COUNT 15
270 #define DTV_FE_CAPABILITY 16
271 #define DTV_DELIVERY_SYSTEM 17
273 /* ISDB-T and ISDB-Tsb */
274 #define DTV_ISDBT_PARTIAL_RECEPTION 18
275 #define DTV_ISDBT_SOUND_BROADCASTING 19
277 #define DTV_ISDBT_SB_SUBCHANNEL_ID 20
278 #define DTV_ISDBT_SB_SEGMENT_IDX 21
279 #define DTV_ISDBT_SB_SEGMENT_COUNT 22
281 #define DTV_ISDBT_LAYERA_FEC 23
282 #define DTV_ISDBT_LAYERA_MODULATION 24
283 #define DTV_ISDBT_LAYERA_SEGMENT_COUNT 25
284 #define DTV_ISDBT_LAYERA_TIME_INTERLEAVING 26
286 #define DTV_ISDBT_LAYERB_FEC 27
287 #define DTV_ISDBT_LAYERB_MODULATION 28
288 #define DTV_ISDBT_LAYERB_SEGMENT_COUNT 29
289 #define DTV_ISDBT_LAYERB_TIME_INTERLEAVING 30
291 #define DTV_ISDBT_LAYERC_FEC 31
292 #define DTV_ISDBT_LAYERC_MODULATION 32
293 #define DTV_ISDBT_LAYERC_SEGMENT_COUNT 33
294 #define DTV_ISDBT_LAYERC_TIME_INTERLEAVING 34
296 #define DTV_API_VERSION 35
298 #define DTV_CODE_RATE_HP 36
299 #define DTV_CODE_RATE_LP 37
300 #define DTV_GUARD_INTERVAL 38
301 #define DTV_TRANSMISSION_MODE 39
302 #define DTV_HIERARCHY 40
304 #define DTV_ISDBT_LAYER_ENABLED 41
306 #define DTV_ISDBS_TS_ID 42
308 #define DTV_MAX_COMMAND DTV_ISDBS_TS_ID
310 typedef enum fe_pilot {
316 typedef enum fe_rolloff {
317 ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */
323 typedef enum fe_delivery_system {
340 } fe_delivery_system_t;
343 char *name; /* A display name for debugging purposes */
345 __u32 cmd; /* A unique ID */
348 __u32 set:1; /* Either a set or get property */
349 __u32 buffer:1; /* Does this property use the buffer? */
350 __u32 reserved:30; /* Align */
353 struct dtv_property {
366 } __attribute__ ((packed));
368 /* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */
369 #define DTV_IOCTL_MAX_MSGS 64
371 struct dtv_properties {
373 struct dtv_property *props;
376 #define <link linkend="FE_GET_PROPERTY">FE_SET_PROPERTY</link> _IOW('o', 82, struct dtv_properties)
377 #define <link linkend="FE_GET_PROPERTY">FE_GET_PROPERTY</link> _IOR('o', 83, struct dtv_properties)
381 * When set, this flag will disable any zigzagging or other "normal" tuning
382 * behaviour. Additionally, there will be no automatic monitoring of the lock
383 * status, and hence no frontend events will be generated. If a frontend device
384 * is closed, this flag will be automatically turned off when the device is
385 * reopened read-write.
387 #define FE_TUNE_MODE_ONESHOT 0x01
390 #define <link linkend="FE_GET_INFO">FE_GET_INFO</link> _IOR('o', 61, struct dvb_frontend_info)
392 #define <link linkend="FE_DISEQC_RESET_OVERLOAD">FE_DISEQC_RESET_OVERLOAD</link> _IO('o', 62)
393 #define <link linkend="FE_DISEQC_SEND_MASTER_CMD">FE_DISEQC_SEND_MASTER_CMD</link> _IOW('o', 63, struct dvb_diseqc_master_cmd)
394 #define <link linkend="FE_DISEQC_RECV_SLAVE_REPLY">FE_DISEQC_RECV_SLAVE_REPLY</link> _IOR('o', 64, struct dvb_diseqc_slave_reply)
395 #define <link linkend="FE_DISEQC_SEND_BURST">FE_DISEQC_SEND_BURST</link> _IO('o', 65) /* fe_sec_mini_cmd_t */
397 #define <link linkend="FE_SET_TONE">FE_SET_TONE</link> _IO('o', 66) /* fe_sec_tone_mode_t */
398 #define <link linkend="FE_SET_VOLTAGE">FE_SET_VOLTAGE</link> _IO('o', 67) /* fe_sec_voltage_t */
399 #define <link linkend="FE_ENABLE_HIGH_LNB_VOLTAGE">FE_ENABLE_HIGH_LNB_VOLTAGE</link> _IO('o', 68) /* int */
401 #define <link linkend="FE_READ_STATUS">FE_READ_STATUS</link> _IOR('o', 69, fe_status_t)
402 #define <link linkend="FE_READ_BER">FE_READ_BER</link> _IOR('o', 70, __u32)
403 #define <link linkend="FE_READ_SIGNAL_STRENGTH">FE_READ_SIGNAL_STRENGTH</link> _IOR('o', 71, __u16)
404 #define <link linkend="FE_READ_SNR">FE_READ_SNR</link> _IOR('o', 72, __u16)
405 #define <link linkend="FE_READ_UNCORRECTED_BLOCKS">FE_READ_UNCORRECTED_BLOCKS</link> _IOR('o', 73, __u32)
407 #define <link linkend="FE_SET_FRONTEND">FE_SET_FRONTEND</link> _IOW('o', 76, struct dvb_frontend_parameters)
408 #define <link linkend="FE_GET_FRONTEND">FE_GET_FRONTEND</link> _IOR('o', 77, struct dvb_frontend_parameters)
409 #define <link linkend="FE_SET_FRONTEND_TUNE_MODE">FE_SET_FRONTEND_TUNE_MODE</link> _IO('o', 81) /* unsigned int */
410 #define <link linkend="FE_GET_EVENT">FE_GET_EVENT</link> _IOR('o', 78, struct dvb_frontend_event)
412 #define <link linkend="FE_DISHNETWORK_SEND_LEGACY_CMD">FE_DISHNETWORK_SEND_LEGACY_CMD</link> _IO('o', 80) /* unsigned int */
414 #endif /*_DVBFRONTEND_H_*/