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-rw-r--r--include/linux/dvb/frontend.h485
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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_TURBO_FEC = 0x8000000, /* frontend supports "turbo fec modulation" */
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 */
70} fe_caps_t;
71
72
73struct dvb_frontend_info {
74 char name[128];
75 fe_type_t type; /* DEPRECATED. Use DTV_ENUM_DELSYS instead */
76 __u32 frequency_min;
77 __u32 frequency_max;
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 */
84 fe_caps_t caps;
85};
86
87
88/**
89 * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
90 * the meaning of this struct...
91 */
92struct dvb_diseqc_master_cmd {
93 __u8 msg [6]; /* { framing, address, command, data [3] } */
94 __u8 msg_len; /* valid values are 3...6 */
95};
96
97
98struct 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 */
103
104
105typedef enum fe_sec_voltage {
106 SEC_VOLTAGE_13,
107 SEC_VOLTAGE_18,
108 SEC_VOLTAGE_OFF
109} fe_sec_voltage_t;
110
111
112typedef enum fe_sec_tone_mode {
113 SEC_TONE_ON,
114 SEC_TONE_OFF
115} fe_sec_tone_mode_t;
116
117
118typedef enum fe_sec_mini_cmd {
119 SEC_MINI_A,
120 SEC_MINI_B
121} fe_sec_mini_cmd_t;
122
123
124typedef 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 */
134
135typedef enum fe_spectral_inversion {
136 INVERSION_OFF,
137 INVERSION_ON,
138 INVERSION_AUTO
139} fe_spectral_inversion_t;
140
141
142typedef enum fe_code_rate {
143 FEC_NONE = 0,
144 FEC_1_2,
145 FEC_2_3,
146 FEC_3_4,
147 FEC_4_5,
148 FEC_5_6,
149 FEC_6_7,
150 FEC_7_8,
151 FEC_8_9,
152 FEC_AUTO,
153 FEC_3_5,
154 FEC_9_10,
155} fe_code_rate_t;
156
157
158typedef enum fe_modulation {
159 QPSK,
160 QAM_16,
161 QAM_32,
162 QAM_64,
163 QAM_128,
164 QAM_256,
165 QAM_AUTO,
166 VSB_8,
167 VSB_16,
168 PSK_8,
169 APSK_16,
170 APSK_32,
171 DQPSK,
172} fe_modulation_t;
173
174typedef enum fe_transmit_mode {
175 TRANSMISSION_MODE_2K,
176 TRANSMISSION_MODE_8K,
177 TRANSMISSION_MODE_AUTO,
178 TRANSMISSION_MODE_4K,
179 TRANSMISSION_MODE_1K,
180 TRANSMISSION_MODE_16K,
181 TRANSMISSION_MODE_32K,
182} fe_transmit_mode_t;
183
184#if defined(__DVB_CORE__) || !defined (__KERNEL__)
185typedef enum fe_bandwidth {
186 BANDWIDTH_8_MHZ,
187 BANDWIDTH_7_MHZ,
188 BANDWIDTH_6_MHZ,
189 BANDWIDTH_AUTO,
190 BANDWIDTH_5_MHZ,
191 BANDWIDTH_10_MHZ,
192 BANDWIDTH_1_712_MHZ,
193} fe_bandwidth_t;
194#endif
195
196typedef enum fe_guard_interval {
197 GUARD_INTERVAL_1_32,
198 GUARD_INTERVAL_1_16,
199 GUARD_INTERVAL_1_8,
200 GUARD_INTERVAL_1_4,
201 GUARD_INTERVAL_AUTO,
202 GUARD_INTERVAL_1_128,
203 GUARD_INTERVAL_19_128,
204 GUARD_INTERVAL_19_256,
205} fe_guard_interval_t;
206
207
208typedef enum fe_hierarchy {
209 HIERARCHY_NONE,
210 HIERARCHY_1,
211 HIERARCHY_2,
212 HIERARCHY_4,
213 HIERARCHY_AUTO
214} fe_hierarchy_t;
215
216
217#if defined(__DVB_CORE__) || !defined (__KERNEL__)
218struct dvb_qpsk_parameters {
219 __u32 symbol_rate; /* symbol rate in Symbols per second */
220 fe_code_rate_t fec_inner; /* forward error correction (see above) */
221};
222
223struct dvb_qam_parameters {
224 __u32 symbol_rate; /* symbol rate in Symbols per second */
225 fe_code_rate_t fec_inner; /* forward error correction (see above) */
226 fe_modulation_t modulation; /* modulation type (see above) */
227};
228
229struct dvb_vsb_parameters {
230 fe_modulation_t modulation; /* modulation type (see above) */
231};
232
233struct dvb_ofdm_parameters {
234 fe_bandwidth_t bandwidth;
235 fe_code_rate_t code_rate_HP; /* high priority stream code rate */
236 fe_code_rate_t code_rate_LP; /* low priority stream code rate */
237 fe_modulation_t constellation; /* modulation type (see above) */
238 fe_transmit_mode_t transmission_mode;
239 fe_guard_interval_t guard_interval;
240 fe_hierarchy_t hierarchy_information;
241};
242
243
244struct dvb_frontend_parameters {
245 __u32 frequency; /* (absolute) frequency in Hz for QAM/OFDM/ATSC */
246 /* intermediate frequency in kHz for QPSK */
247 fe_spectral_inversion_t inversion;
248 union {
249 struct dvb_qpsk_parameters qpsk;
250 struct dvb_qam_parameters qam;
251 struct dvb_ofdm_parameters ofdm;
252 struct dvb_vsb_parameters vsb;
253 } u;
254};
255
256struct dvb_frontend_event {
257 fe_status_t status;
258 struct dvb_frontend_parameters parameters;
259};
260#endif
261
262/* S2API Commands */
263#define DTV_UNDEFINED 0
264#define DTV_TUNE 1
265#define DTV_CLEAR 2
266#define DTV_FREQUENCY 3
267#define DTV_MODULATION 4
268#define DTV_BANDWIDTH_HZ 5
269#define DTV_INVERSION 6
270#define DTV_DISEQC_MASTER 7
271#define DTV_SYMBOL_RATE 8
272#define DTV_INNER_FEC 9
273#define DTV_VOLTAGE 10
274#define DTV_TONE 11
275#define DTV_PILOT 12
276#define DTV_ROLLOFF 13
277#define DTV_DISEQC_SLAVE_REPLY 14
278
279/* Basic enumeration set for querying unlimited capabilities */
280#define DTV_FE_CAPABILITY_COUNT 15
281#define DTV_FE_CAPABILITY 16
282#define DTV_DELIVERY_SYSTEM 17
283
284/* ISDB-T and ISDB-Tsb */
285#define DTV_ISDBT_PARTIAL_RECEPTION 18
286#define DTV_ISDBT_SOUND_BROADCASTING 19
287
288#define DTV_ISDBT_SB_SUBCHANNEL_ID 20
289#define DTV_ISDBT_SB_SEGMENT_IDX 21
290#define DTV_ISDBT_SB_SEGMENT_COUNT 22
291
292#define DTV_ISDBT_LAYERA_FEC 23
293#define DTV_ISDBT_LAYERA_MODULATION 24
294#define DTV_ISDBT_LAYERA_SEGMENT_COUNT 25
295#define DTV_ISDBT_LAYERA_TIME_INTERLEAVING 26
296
297#define DTV_ISDBT_LAYERB_FEC 27
298#define DTV_ISDBT_LAYERB_MODULATION 28
299#define DTV_ISDBT_LAYERB_SEGMENT_COUNT 29
300#define DTV_ISDBT_LAYERB_TIME_INTERLEAVING 30
301
302#define DTV_ISDBT_LAYERC_FEC 31
303#define DTV_ISDBT_LAYERC_MODULATION 32
304#define DTV_ISDBT_LAYERC_SEGMENT_COUNT 33
305#define DTV_ISDBT_LAYERC_TIME_INTERLEAVING 34
306
307#define DTV_API_VERSION 35
308
309#define DTV_CODE_RATE_HP 36
310#define DTV_CODE_RATE_LP 37
311#define DTV_GUARD_INTERVAL 38
312#define DTV_TRANSMISSION_MODE 39
313#define DTV_HIERARCHY 40
314
315#define DTV_ISDBT_LAYER_ENABLED 41
316
317#define DTV_ISDBS_TS_ID 42
318
319#define DTV_DVBT2_PLP_ID 43
320
321#define DTV_ENUM_DELSYS 44
322
323/* ATSC-MH */
324#define DTV_ATSCMH_FIC_VER 45
325#define DTV_ATSCMH_PARADE_ID 46
326#define DTV_ATSCMH_NOG 47
327#define DTV_ATSCMH_TNOG 48
328#define DTV_ATSCMH_SGN 49
329#define DTV_ATSCMH_PRC 50
330#define DTV_ATSCMH_RS_FRAME_MODE 51
331#define DTV_ATSCMH_RS_FRAME_ENSEMBLE 52
332#define DTV_ATSCMH_RS_CODE_MODE_PRI 53
333#define DTV_ATSCMH_RS_CODE_MODE_SEC 54
334#define DTV_ATSCMH_SCCC_BLOCK_MODE 55
335#define DTV_ATSCMH_SCCC_CODE_MODE_A 56
336#define DTV_ATSCMH_SCCC_CODE_MODE_B 57
337#define DTV_ATSCMH_SCCC_CODE_MODE_C 58
338#define DTV_ATSCMH_SCCC_CODE_MODE_D 59
339
340#define DTV_MAX_COMMAND DTV_ATSCMH_SCCC_CODE_MODE_D
341
342typedef enum fe_pilot {
343 PILOT_ON,
344 PILOT_OFF,
345 PILOT_AUTO,
346} fe_pilot_t;
347
348typedef enum fe_rolloff {
349 ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */
350 ROLLOFF_20,
351 ROLLOFF_25,
352 ROLLOFF_AUTO,
353} fe_rolloff_t;
354
355typedef enum fe_delivery_system {
356 SYS_UNDEFINED,
357 SYS_DVBC_ANNEX_A,
358 SYS_DVBC_ANNEX_B,
359 SYS_DVBT,
360 SYS_DSS,
361 SYS_DVBS,
362 SYS_DVBS2,
363 SYS_DVBH,
364 SYS_ISDBT,
365 SYS_ISDBS,
366 SYS_ISDBC,
367 SYS_ATSC,
368 SYS_ATSCMH,
369 SYS_DMBTH,
370 SYS_CMMB,
371 SYS_DAB,
372 SYS_DVBT2,
373 SYS_TURBO,
374 SYS_DVBC_ANNEX_C,
375} fe_delivery_system_t;
376
377
378#define SYS_DVBC_ANNEX_AC SYS_DVBC_ANNEX_A
379
380/* ATSC-MH */
381
382enum atscmh_sccc_block_mode {
383 ATSCMH_SCCC_BLK_SEP = 0,
384 ATSCMH_SCCC_BLK_COMB = 1,
385 ATSCMH_SCCC_BLK_RES = 2,
386};
387
388enum atscmh_sccc_code_mode {
389 ATSCMH_SCCC_CODE_HLF = 0,
390 ATSCMH_SCCC_CODE_QTR = 1,
391 ATSCMH_SCCC_CODE_RES = 2,
392};
393
394enum atscmh_rs_frame_ensemble {
395 ATSCMH_RSFRAME_ENS_PRI = 0,
396 ATSCMH_RSFRAME_ENS_SEC = 1,
397};
398
399enum atscmh_rs_frame_mode {
400 ATSCMH_RSFRAME_PRI_ONLY = 0,
401 ATSCMH_RSFRAME_PRI_SEC = 1,
402 ATSCMH_RSFRAME_RES = 2,
403};
404
405enum atscmh_rs_code_mode {
406 ATSCMH_RSCODE_211_187 = 0,
407 ATSCMH_RSCODE_223_187 = 1,
408 ATSCMH_RSCODE_235_187 = 2,
409 ATSCMH_RSCODE_RES = 3,
410};
411
412
413struct dtv_cmds_h {
414 char *name; /* A display name for debugging purposes */
415
416 __u32 cmd; /* A unique ID */
417
418 /* Flags */
419 __u32 set:1; /* Either a set or get property */
420 __u32 buffer:1; /* Does this property use the buffer? */
421 __u32 reserved:30; /* Align */
422};
423
424struct dtv_property {
425 __u32 cmd;
426 __u32 reserved[3];
427 union {
428 __u32 data;
429 struct {
430 __u8 data[32];
431 __u32 len;
432 __u32 reserved1[3];
433 void *reserved2;
434 } buffer;
435 } u;
436 int result;
437} __attribute__ ((packed));
438
439/* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */
440#define DTV_IOCTL_MAX_MSGS 64
441
442struct dtv_properties {
443 __u32 num;
444 struct dtv_property *props;
445};
446
447#define FE_SET_PROPERTY _IOW('o', 82, struct dtv_properties)
448#define FE_GET_PROPERTY _IOR('o', 83, struct dtv_properties)
449
450
451/**
452 * When set, this flag will disable any zigzagging or other "normal" tuning
453 * behaviour. Additionally, there will be no automatic monitoring of the lock
454 * status, and hence no frontend events will be generated. If a frontend device
455 * is closed, this flag will be automatically turned off when the device is
456 * reopened read-write.
457 */
458#define FE_TUNE_MODE_ONESHOT 0x01
459
460
461#define FE_GET_INFO _IOR('o', 61, struct dvb_frontend_info)
462
463#define FE_DISEQC_RESET_OVERLOAD _IO('o', 62)
464#define FE_DISEQC_SEND_MASTER_CMD _IOW('o', 63, struct dvb_diseqc_master_cmd)
465#define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply)
466#define FE_DISEQC_SEND_BURST _IO('o', 65) /* fe_sec_mini_cmd_t */
467
468#define FE_SET_TONE _IO('o', 66) /* fe_sec_tone_mode_t */
469#define FE_SET_VOLTAGE _IO('o', 67) /* fe_sec_voltage_t */
470#define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68) /* int */
471
472#define FE_READ_STATUS _IOR('o', 69, fe_status_t)
473#define FE_READ_BER _IOR('o', 70, __u32)
474#define FE_READ_SIGNAL_STRENGTH _IOR('o', 71, __u16)
475#define FE_READ_SNR _IOR('o', 72, __u16)
476#define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32)
477
478#define FE_SET_FRONTEND _IOW('o', 76, struct dvb_frontend_parameters)
479#define FE_GET_FRONTEND _IOR('o', 77, struct dvb_frontend_parameters)
480#define FE_SET_FRONTEND_TUNE_MODE _IO('o', 81) /* unsigned int */
481#define FE_GET_EVENT _IOR('o', 78, struct dvb_frontend_event)
482
483#define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */
484
485#endif /*_DVBFRONTEND_H_*/
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-06 07:34:48 -0500