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
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.
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.
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.
26 #ifndef _DVBFRONTEND_H_
27 #define _DVBFRONTEND_H_
29 #include <asm/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
178 } fe_transmit_mode_t;
180 typedef enum fe_bandwidth {
188 typedef enum fe_guard_interval {
194 } fe_guard_interval_t;
197 typedef enum fe_hierarchy {
206 struct dvb_qpsk_parameters {
207 __u32 symbol_rate; /* symbol rate in Symbols per second */
208 fe_code_rate_t fec_inner; /* forward error correction (see above) */
211 struct dvb_qam_parameters {
212 __u32 symbol_rate; /* symbol rate in Symbols per second */
213 fe_code_rate_t fec_inner; /* forward error correction (see above) */
214 fe_modulation_t modulation; /* modulation type (see above) */
217 struct dvb_vsb_parameters {
218 fe_modulation_t modulation; /* modulation type (see above) */
221 struct dvb_ofdm_parameters {
222 fe_bandwidth_t bandwidth;
223 fe_code_rate_t code_rate_HP; /* high priority stream code rate */
224 fe_code_rate_t code_rate_LP; /* low priority stream code rate */
225 fe_modulation_t constellation; /* modulation type (see above) */
226 fe_transmit_mode_t transmission_mode;
227 fe_guard_interval_t guard_interval;
228 fe_hierarchy_t hierarchy_information;
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;
237 struct dvb_qpsk_parameters qpsk;
238 struct dvb_qam_parameters qam;
239 struct dvb_ofdm_parameters ofdm;
240 struct dvb_vsb_parameters vsb;
245 struct dvb_frontend_event {
247 struct dvb_frontend_parameters parameters;
251 #define DTV_UNDEFINED 0
254 #define DTV_FREQUENCY 3
255 #define DTV_MODULATION 4
256 #define DTV_BANDWIDTH_HZ 5
257 #define DTV_INVERSION 6
258 #define DTV_DISEQC_MASTER 7
259 #define DTV_SYMBOL_RATE 8
260 #define DTV_INNER_FEC 9
261 #define DTV_VOLTAGE 10
264 #define DTV_ROLLOFF 13
265 #define DTV_DISEQC_SLAVE_REPLY 14
267 /* Basic enumeration set for querying unlimited capabilities */
268 #define DTV_FE_CAPABILITY_COUNT 15
269 #define DTV_FE_CAPABILITY 16
270 #define DTV_DELIVERY_SYSTEM 17
272 #define DTV_API_VERSION 35
273 #define DTV_API_VERSION 35
274 #define DTV_CODE_RATE_HP 36
275 #define DTV_CODE_RATE_LP 37
276 #define DTV_GUARD_INTERVAL 38
277 #define DTV_TRANSMISSION_MODE 39
278 #define DTV_HIERARCHY 40
280 #define DTV_MAX_COMMAND DTV_HIERARCHY
282 typedef enum fe_pilot {
288 typedef enum fe_rolloff {
289 ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */
295 typedef enum fe_delivery_system {
312 } fe_delivery_system_t;
315 char *name; /* A display name for debugging purposes */
317 __u32 cmd; /* A unique ID */
320 __u32 set:1; /* Either a set or get property */
321 __u32 buffer:1; /* Does this property use the buffer? */
322 __u32 reserved:30; /* Align */
325 struct dtv_property {
338 } __attribute__ ((packed));
340 /* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */
341 #define DTV_IOCTL_MAX_MSGS 64
343 struct dtv_properties {
345 struct dtv_property *props;
348 #define FE_SET_PROPERTY _IOW('o', 82, struct dtv_properties)
349 #define FE_GET_PROPERTY _IOR('o', 83, struct dtv_properties)
353 * When set, this flag will disable any zigzagging or other "normal" tuning
354 * behaviour. Additionally, there will be no automatic monitoring of the lock
355 * status, and hence no frontend events will be generated. If a frontend device
356 * is closed, this flag will be automatically turned off when the device is
357 * reopened read-write.
359 #define FE_TUNE_MODE_ONESHOT 0x01
362 #define FE_GET_INFO _IOR('o', 61, struct dvb_frontend_info)
364 #define FE_DISEQC_RESET_OVERLOAD _IO('o', 62)
365 #define FE_DISEQC_SEND_MASTER_CMD _IOW('o', 63, struct dvb_diseqc_master_cmd)
366 #define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply)
367 #define FE_DISEQC_SEND_BURST _IO('o', 65) /* fe_sec_mini_cmd_t */
369 #define FE_SET_TONE _IO('o', 66) /* fe_sec_tone_mode_t */
370 #define FE_SET_VOLTAGE _IO('o', 67) /* fe_sec_voltage_t */
371 #define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68) /* int */
373 #define FE_READ_STATUS _IOR('o', 69, fe_status_t)
374 #define FE_READ_BER _IOR('o', 70, __u32)
375 #define FE_READ_SIGNAL_STRENGTH _IOR('o', 71, __u16)
376 #define FE_READ_SNR _IOR('o', 72, __u16)
377 #define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32)
379 #define FE_SET_FRONTEND _IOW('o', 76, struct dvb_frontend_parameters)
380 #define FE_GET_FRONTEND _IOR('o', 77, struct dvb_frontend_parameters)
381 #define FE_SET_FRONTEND_TUNE_MODE _IO('o', 81) /* unsigned int */
382 #define FE_GET_EVENT _IOR('o', 78, struct dvb_frontend_event)
384 #define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */
386 #endif /*_DVBFRONTEND_H_*/