frontend.h 13 KB

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