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-rw-r--r--include/linux/dvb/frontend.h516
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diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h
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1/*
2 * frontend.h
3 *
4 * Copyright (C) 2000 Marcus Metzler <marcus@convergence.de>
5 * Ralph Metzler <ralph@convergence.de>
6 * Holger Waechtler <holger@convergence.de>
7 * Andre Draszik <ad@convergence.de>
8 * for convergence integrated media GmbH
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public License
12 * as published by the Free Software Foundation; either version 2.1
13 * of the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 *
24 */
25
26#ifndef _DVBFRONTEND_H_
27#define _DVBFRONTEND_H_
28
29#include <linux/types.h>
30
31typedef enum fe_type {
32 FE_QPSK,
33 FE_QAM,
34 FE_OFDM,
35 FE_ATSC
36} fe_type_t;
37
38
39typedef enum fe_caps {
40 FE_IS_STUPID = 0,
41 FE_CAN_INVERSION_AUTO = 0x1,
42 FE_CAN_FEC_1_2 = 0x2,
43 FE_CAN_FEC_2_3 = 0x4,
44 FE_CAN_FEC_3_4 = 0x8,
45 FE_CAN_FEC_4_5 = 0x10,
46 FE_CAN_FEC_5_6 = 0x20,
47 FE_CAN_FEC_6_7 = 0x40,
48 FE_CAN_FEC_7_8 = 0x80,
49 FE_CAN_FEC_8_9 = 0x100,
50 FE_CAN_FEC_AUTO = 0x200,
51 FE_CAN_QPSK = 0x400,
52 FE_CAN_QAM_16 = 0x800,
53 FE_CAN_QAM_32 = 0x1000,
54 FE_CAN_QAM_64 = 0x2000,
55 FE_CAN_QAM_128 = 0x4000,
56 FE_CAN_QAM_256 = 0x8000,
57 FE_CAN_QAM_AUTO = 0x10000,
58 FE_CAN_TRANSMISSION_MODE_AUTO = 0x20000,
59 FE_CAN_BANDWIDTH_AUTO = 0x40000,
60 FE_CAN_GUARD_INTERVAL_AUTO = 0x80000,
61 FE_CAN_HIERARCHY_AUTO = 0x100000,
62 FE_CAN_8VSB = 0x200000,
63 FE_CAN_16VSB = 0x400000,
64 FE_HAS_EXTENDED_CAPS = 0x800000, /* We need more bitspace for newer APIs, indicate this. */
65 FE_CAN_MULTISTREAM = 0x4000000, /* frontend supports multistream filtering */
66 FE_CAN_TURBO_FEC = 0x8000000, /* frontend supports "turbo fec modulation" */
67 FE_CAN_2G_MODULATION = 0x10000000, /* frontend supports "2nd generation modulation" (DVB-S2) */
68 FE_NEEDS_BENDING = 0x20000000, /* not supported anymore, don't use (frontend requires frequency bending) */
69 FE_CAN_RECOVER = 0x40000000, /* frontend can recover from a cable unplug automatically */
70 FE_CAN_MUTE_TS = 0x80000000 /* frontend can stop spurious TS data output */
71} fe_caps_t;
72
73
74struct dvb_frontend_info {
75 char name[128];
76 fe_type_t type; /* DEPRECATED. Use DTV_ENUM_DELSYS instead */
77 __u32 frequency_min;
78 __u32 frequency_max;
79 __u32 frequency_stepsize;
80 __u32 frequency_tolerance;
81 __u32 symbol_rate_min;
82 __u32 symbol_rate_max;
83 __u32 symbol_rate_tolerance; /* ppm */
84 __u32 notifier_delay; /* DEPRECATED */
85 fe_caps_t caps;
86};
87
88
89/**
90 * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
91 * the meaning of this struct...
92 */
93struct dvb_diseqc_master_cmd {
94 __u8 msg [6]; /* { framing, address, command, data [3] } */
95 __u8 msg_len; /* valid values are 3...6 */
96};
97
98
99struct dvb_diseqc_slave_reply {
100 __u8 msg [4]; /* { framing, data [3] } */
101 __u8 msg_len; /* valid values are 0...4, 0 means no msg */
102 int timeout; /* return from ioctl after timeout ms with */
103}; /* errorcode when no message was received */
104
105
106typedef enum fe_sec_voltage {
107 SEC_VOLTAGE_13,
108 SEC_VOLTAGE_18,
109 SEC_VOLTAGE_OFF
110} fe_sec_voltage_t;
111
112
113typedef enum fe_sec_tone_mode {
114 SEC_TONE_ON,
115 SEC_TONE_OFF
116} fe_sec_tone_mode_t;
117
118
119typedef enum fe_sec_mini_cmd {
120 SEC_MINI_A,
121 SEC_MINI_B
122} fe_sec_mini_cmd_t;
123
124
125/**
126 * enum fe_status - enumerates the possible frontend status
127 * @FE_HAS_SIGNAL: found something above the noise level
128 * @FE_HAS_CARRIER: found a DVB signal
129 * @FE_HAS_VITERBI: FEC is stable
130 * @FE_HAS_SYNC: found sync bytes
131 * @FE_HAS_LOCK: everything's working
132 * @FE_TIMEDOUT: no lock within the last ~2 seconds
133 * @FE_REINIT: frontend was reinitialized, application is recommended
134 * to reset DiSEqC, tone and parameters
135 */
136
137typedef enum fe_status {
138 FE_HAS_SIGNAL = 0x01,
139 FE_HAS_CARRIER = 0x02,
140 FE_HAS_VITERBI = 0x04,
141 FE_HAS_SYNC = 0x08,
142 FE_HAS_LOCK = 0x10,
143 FE_TIMEDOUT = 0x20,
144 FE_REINIT = 0x40,
145} fe_status_t;
146
147typedef enum fe_spectral_inversion {
148 INVERSION_OFF,
149 INVERSION_ON,
150 INVERSION_AUTO
151} fe_spectral_inversion_t;
152
153
154typedef enum fe_code_rate {
155 FEC_NONE = 0,
156 FEC_1_2,
157 FEC_2_3,
158 FEC_3_4,
159 FEC_4_5,
160 FEC_5_6,
161 FEC_6_7,
162 FEC_7_8,
163 FEC_8_9,
164 FEC_AUTO,
165 FEC_3_5,
166 FEC_9_10,
167 FEC_2_5,
168} fe_code_rate_t;
169
170
171typedef enum fe_modulation {
172 QPSK,
173 QAM_16,
174 QAM_32,
175 QAM_64,
176 QAM_128,
177 QAM_256,
178 QAM_AUTO,
179 VSB_8,
180 VSB_16,
181 PSK_8,
182 APSK_16,
183 APSK_32,
184 DQPSK,
185 QAM_4_NR,
186} fe_modulation_t;
187
188typedef enum fe_transmit_mode {
189 TRANSMISSION_MODE_2K,
190 TRANSMISSION_MODE_8K,
191 TRANSMISSION_MODE_AUTO,
192 TRANSMISSION_MODE_4K,
193 TRANSMISSION_MODE_1K,
194 TRANSMISSION_MODE_16K,
195 TRANSMISSION_MODE_32K,
196 TRANSMISSION_MODE_C1,
197 TRANSMISSION_MODE_C3780,
198} fe_transmit_mode_t;
199
200#if defined(__DVB_CORE__) || !defined (__KERNEL__)
201typedef enum fe_bandwidth {
202 BANDWIDTH_8_MHZ,
203 BANDWIDTH_7_MHZ,
204 BANDWIDTH_6_MHZ,
205 BANDWIDTH_AUTO,
206 BANDWIDTH_5_MHZ,
207 BANDWIDTH_10_MHZ,
208 BANDWIDTH_1_712_MHZ,
209} fe_bandwidth_t;
210#endif
211
212typedef enum fe_guard_interval {
213 GUARD_INTERVAL_1_32,
214 GUARD_INTERVAL_1_16,
215 GUARD_INTERVAL_1_8,
216 GUARD_INTERVAL_1_4,
217 GUARD_INTERVAL_AUTO,
218 GUARD_INTERVAL_1_128,
219 GUARD_INTERVAL_19_128,
220 GUARD_INTERVAL_19_256,
221 GUARD_INTERVAL_PN420,
222 GUARD_INTERVAL_PN595,
223 GUARD_INTERVAL_PN945,
224} fe_guard_interval_t;
225
226
227typedef enum fe_hierarchy {
228 HIERARCHY_NONE,
229 HIERARCHY_1,
230 HIERARCHY_2,
231 HIERARCHY_4,
232 HIERARCHY_AUTO
233} fe_hierarchy_t;
234
235enum fe_interleaving {
236 INTERLEAVING_NONE,
237 INTERLEAVING_AUTO,
238 INTERLEAVING_240,
239 INTERLEAVING_720,
240};
241
242#if defined(__DVB_CORE__) || !defined (__KERNEL__)
243struct dvb_qpsk_parameters {
244 __u32 symbol_rate; /* symbol rate in Symbols per second */
245 fe_code_rate_t fec_inner; /* forward error correction (see above) */
246};
247
248struct dvb_qam_parameters {
249 __u32 symbol_rate; /* symbol rate in Symbols per second */
250 fe_code_rate_t fec_inner; /* forward error correction (see above) */
251 fe_modulation_t modulation; /* modulation type (see above) */
252};
253
254struct dvb_vsb_parameters {
255 fe_modulation_t modulation; /* modulation type (see above) */
256};
257
258struct dvb_ofdm_parameters {
259 fe_bandwidth_t bandwidth;
260 fe_code_rate_t code_rate_HP; /* high priority stream code rate */
261 fe_code_rate_t code_rate_LP; /* low priority stream code rate */
262 fe_modulation_t constellation; /* modulation type (see above) */
263 fe_transmit_mode_t transmission_mode;
264 fe_guard_interval_t guard_interval;
265 fe_hierarchy_t hierarchy_information;
266};
267
268
269struct dvb_frontend_parameters {
270 __u32 frequency; /* (absolute) frequency in Hz for QAM/OFDM/ATSC */
271 /* intermediate frequency in kHz for QPSK */
272 fe_spectral_inversion_t inversion;
273 union {
274 struct dvb_qpsk_parameters qpsk;
275 struct dvb_qam_parameters qam;
276 struct dvb_ofdm_parameters ofdm;
277 struct dvb_vsb_parameters vsb;
278 } u;
279};
280
281struct dvb_frontend_event {
282 fe_status_t status;
283 struct dvb_frontend_parameters parameters;
284};
285#endif
286
287/* S2API Commands */
288#define DTV_UNDEFINED 0
289#define DTV_TUNE 1
290#define DTV_CLEAR 2
291#define DTV_FREQUENCY 3
292#define DTV_MODULATION 4
293#define DTV_BANDWIDTH_HZ 5
294#define DTV_INVERSION 6
295#define DTV_DISEQC_MASTER 7
296#define DTV_SYMBOL_RATE 8
297#define DTV_INNER_FEC 9
298#define DTV_VOLTAGE 10
299#define DTV_TONE 11
300#define DTV_PILOT 12
301#define DTV_ROLLOFF 13
302#define DTV_DISEQC_SLAVE_REPLY 14
303
304/* Basic enumeration set for querying unlimited capabilities */
305#define DTV_FE_CAPABILITY_COUNT 15
306#define DTV_FE_CAPABILITY 16
307#define DTV_DELIVERY_SYSTEM 17
308
309/* ISDB-T and ISDB-Tsb */
310#define DTV_ISDBT_PARTIAL_RECEPTION 18
311#define DTV_ISDBT_SOUND_BROADCASTING 19
312
313#define DTV_ISDBT_SB_SUBCHANNEL_ID 20
314#define DTV_ISDBT_SB_SEGMENT_IDX 21
315#define DTV_ISDBT_SB_SEGMENT_COUNT 22
316
317#define DTV_ISDBT_LAYERA_FEC 23
318#define DTV_ISDBT_LAYERA_MODULATION 24
319#define DTV_ISDBT_LAYERA_SEGMENT_COUNT 25
320#define DTV_ISDBT_LAYERA_TIME_INTERLEAVING 26
321
322#define DTV_ISDBT_LAYERB_FEC 27
323#define DTV_ISDBT_LAYERB_MODULATION 28
324#define DTV_ISDBT_LAYERB_SEGMENT_COUNT 29
325#define DTV_ISDBT_LAYERB_TIME_INTERLEAVING 30
326
327#define DTV_ISDBT_LAYERC_FEC 31
328#define DTV_ISDBT_LAYERC_MODULATION 32
329#define DTV_ISDBT_LAYERC_SEGMENT_COUNT 33
330#define DTV_ISDBT_LAYERC_TIME_INTERLEAVING 34
331
332#define DTV_API_VERSION 35
333
334#define DTV_CODE_RATE_HP 36
335#define DTV_CODE_RATE_LP 37
336#define DTV_GUARD_INTERVAL 38
337#define DTV_TRANSMISSION_MODE 39
338#define DTV_HIERARCHY 40
339
340#define DTV_ISDBT_LAYER_ENABLED 41
341
342#define DTV_STREAM_ID 42
343#define DTV_ISDBS_TS_ID_LEGACY DTV_STREAM_ID
344#define DTV_DVBT2_PLP_ID_LEGACY 43
345
346#define DTV_ENUM_DELSYS 44
347
348/* ATSC-MH */
349#define DTV_ATSCMH_FIC_VER 45
350#define DTV_ATSCMH_PARADE_ID 46
351#define DTV_ATSCMH_NOG 47
352#define DTV_ATSCMH_TNOG 48
353#define DTV_ATSCMH_SGN 49
354#define DTV_ATSCMH_PRC 50
355#define DTV_ATSCMH_RS_FRAME_MODE 51
356#define DTV_ATSCMH_RS_FRAME_ENSEMBLE 52
357#define DTV_ATSCMH_RS_CODE_MODE_PRI 53
358#define DTV_ATSCMH_RS_CODE_MODE_SEC 54
359#define DTV_ATSCMH_SCCC_BLOCK_MODE 55
360#define DTV_ATSCMH_SCCC_CODE_MODE_A 56
361#define DTV_ATSCMH_SCCC_CODE_MODE_B 57
362#define DTV_ATSCMH_SCCC_CODE_MODE_C 58
363#define DTV_ATSCMH_SCCC_CODE_MODE_D 59
364
365#define DTV_INTERLEAVING 60
366#define DTV_LNA 61
367
368#define DTV_MAX_COMMAND DTV_LNA
369
370typedef enum fe_pilot {
371 PILOT_ON,
372 PILOT_OFF,
373 PILOT_AUTO,
374} fe_pilot_t;
375
376typedef enum fe_rolloff {
377 ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */
378 ROLLOFF_20,
379 ROLLOFF_25,
380 ROLLOFF_AUTO,
381} fe_rolloff_t;
382
383typedef enum fe_delivery_system {
384 SYS_UNDEFINED,
385 SYS_DVBC_ANNEX_A,
386 SYS_DVBC_ANNEX_B,
387 SYS_DVBT,
388 SYS_DSS,
389 SYS_DVBS,
390 SYS_DVBS2,
391 SYS_DVBH,
392 SYS_ISDBT,
393 SYS_ISDBS,
394 SYS_ISDBC,
395 SYS_ATSC,
396 SYS_ATSCMH,
397 SYS_DTMB,
398 SYS_CMMB,
399 SYS_DAB,
400 SYS_DVBT2,
401 SYS_TURBO,
402 SYS_DVBC_ANNEX_C,
403} fe_delivery_system_t;
404
405/* backward compatibility */
406#define SYS_DVBC_ANNEX_AC SYS_DVBC_ANNEX_A
407#define SYS_DMBTH SYS_DTMB /* DMB-TH is legacy name, use DTMB instead */
408
409/* ATSC-MH */
410
411enum atscmh_sccc_block_mode {
412 ATSCMH_SCCC_BLK_SEP = 0,
413 ATSCMH_SCCC_BLK_COMB = 1,
414 ATSCMH_SCCC_BLK_RES = 2,
415};
416
417enum atscmh_sccc_code_mode {
418 ATSCMH_SCCC_CODE_HLF = 0,
419 ATSCMH_SCCC_CODE_QTR = 1,
420 ATSCMH_SCCC_CODE_RES = 2,
421};
422
423enum atscmh_rs_frame_ensemble {
424 ATSCMH_RSFRAME_ENS_PRI = 0,
425 ATSCMH_RSFRAME_ENS_SEC = 1,
426};
427
428enum atscmh_rs_frame_mode {
429 ATSCMH_RSFRAME_PRI_ONLY = 0,
430 ATSCMH_RSFRAME_PRI_SEC = 1,
431 ATSCMH_RSFRAME_RES = 2,
432};
433
434enum atscmh_rs_code_mode {
435 ATSCMH_RSCODE_211_187 = 0,
436 ATSCMH_RSCODE_223_187 = 1,
437 ATSCMH_RSCODE_235_187 = 2,
438 ATSCMH_RSCODE_RES = 3,
439};
440
441#define NO_STREAM_ID_FILTER (~0U)
442#define LNA_AUTO (~0U)
443
444struct dtv_cmds_h {
445 char *name; /* A display name for debugging purposes */
446
447 __u32 cmd; /* A unique ID */
448
449 /* Flags */
450 __u32 set:1; /* Either a set or get property */
451 __u32 buffer:1; /* Does this property use the buffer? */
452 __u32 reserved:30; /* Align */
453};
454
455struct dtv_property {
456 __u32 cmd;
457 __u32 reserved[3];
458 union {
459 __u32 data;
460 struct {
461 __u8 data[32];
462 __u32 len;
463 __u32 reserved1[3];
464 void *reserved2;
465 } buffer;
466 } u;
467 int result;
468} __attribute__ ((packed));
469
470/* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */
471#define DTV_IOCTL_MAX_MSGS 64
472
473struct dtv_properties {
474 __u32 num;
475 struct dtv_property *props;
476};
477
478#define FE_SET_PROPERTY _IOW('o', 82, struct dtv_properties)
479#define FE_GET_PROPERTY _IOR('o', 83, struct dtv_properties)
480
481
482/**
483 * When set, this flag will disable any zigzagging or other "normal" tuning
484 * behaviour. Additionally, there will be no automatic monitoring of the lock
485 * status, and hence no frontend events will be generated. If a frontend device
486 * is closed, this flag will be automatically turned off when the device is
487 * reopened read-write.
488 */
489#define FE_TUNE_MODE_ONESHOT 0x01
490
491
492#define FE_GET_INFO _IOR('o', 61, struct dvb_frontend_info)
493
494#define FE_DISEQC_RESET_OVERLOAD _IO('o', 62)
495#define FE_DISEQC_SEND_MASTER_CMD _IOW('o', 63, struct dvb_diseqc_master_cmd)
496#define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply)
497#define FE_DISEQC_SEND_BURST _IO('o', 65) /* fe_sec_mini_cmd_t */
498
499#define FE_SET_TONE _IO('o', 66) /* fe_sec_tone_mode_t */
500#define FE_SET_VOLTAGE _IO('o', 67) /* fe_sec_voltage_t */
501#define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68) /* int */
502
503#define FE_READ_STATUS _IOR('o', 69, fe_status_t)
504#define FE_READ_BER _IOR('o', 70, __u32)
505#define FE_READ_SIGNAL_STRENGTH _IOR('o', 71, __u16)
506#define FE_READ_SNR _IOR('o', 72, __u16)
507#define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32)
508
509#define FE_SET_FRONTEND _IOW('o', 76, struct dvb_frontend_parameters)
510#define FE_GET_FRONTEND _IOR('o', 77, struct dvb_frontend_parameters)
511#define FE_SET_FRONTEND_TUNE_MODE _IO('o', 81) /* unsigned int */
512#define FE_GET_EVENT _IOR('o', 78, struct dvb_frontend_event)
513
514#define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */
515
516#endif /*_DVBFRONTEND_H_*/
generated by cgit v1.2.2 (git 2.25.0) at 2025-11-25 14:03:21 -0500