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_NEEDS_BENDING = 0x20000000, // not supported anymore, don't use (frontend requires frequency bending)
67 FE_CAN_RECOVER = 0x40000000, // frontend can recover from a cable unplug automatically
68 FE_CAN_MUTE_TS = 0x80000000 // frontend can stop spurious TS data output
72 struct dvb_frontend_info {
77 __u32 frequency_stepsize;
78 __u32 frequency_tolerance;
79 __u32 symbol_rate_min;
80 __u32 symbol_rate_max;
81 __u32 symbol_rate_tolerance; /* ppm */
82 __u32 notifier_delay; /* DEPRECATED */
88 * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
89 * the meaning of this struct...
91 struct dvb_diseqc_master_cmd {
92 __u8 msg [6]; /* { framing, address, command, data [3] } */
93 __u8 msg_len; /* valid values are 3...6 */
97 struct dvb_diseqc_slave_reply {
98 __u8 msg [4]; /* { framing, data [3] } */
99 __u8 msg_len; /* valid values are 0...4, 0 means no msg */
100 int timeout; /* return from ioctl after timeout ms with */
101 }; /* errorcode when no message was received */
104 typedef enum fe_sec_voltage {
111 typedef enum fe_sec_tone_mode {
114 } fe_sec_tone_mode_t;
117 typedef enum fe_sec_mini_cmd {
123 typedef enum fe_status {
124 FE_HAS_SIGNAL = 0x01, /* found something above the noise level */
125 FE_HAS_CARRIER = 0x02, /* found a DVB signal */
126 FE_HAS_VITERBI = 0x04, /* FEC is stable */
127 FE_HAS_SYNC = 0x08, /* found sync bytes */
128 FE_HAS_LOCK = 0x10, /* everything's working... */
129 FE_TIMEDOUT = 0x20, /* no lock within the last ~2 seconds */
130 FE_REINIT = 0x40 /* frontend was reinitialized, */
131 } fe_status_t; /* application is recommended to reset */
132 /* DiSEqC, tone and parameters */
134 typedef enum fe_spectral_inversion {
138 } fe_spectral_inversion_t;
141 typedef enum fe_code_rate {
157 typedef enum fe_modulation {
172 typedef enum fe_transmit_mode {
173 TRANSMISSION_MODE_2K,
174 TRANSMISSION_MODE_8K,
175 TRANSMISSION_MODE_AUTO
176 } fe_transmit_mode_t;
178 typedef enum fe_bandwidth {
186 typedef enum fe_guard_interval {
192 } fe_guard_interval_t;
195 typedef enum fe_hierarchy {
204 struct dvb_qpsk_parameters {
205 __u32 symbol_rate; /* symbol rate in Symbols per second */
206 fe_code_rate_t fec_inner; /* forward error correction (see above) */
209 struct dvb_qam_parameters {
210 __u32 symbol_rate; /* symbol rate in Symbols per second */
211 fe_code_rate_t fec_inner; /* forward error correction (see above) */
212 fe_modulation_t modulation; /* modulation type (see above) */
215 struct dvb_vsb_parameters {
216 fe_modulation_t modulation; /* modulation type (see above) */
219 struct dvb_ofdm_parameters {
220 fe_bandwidth_t bandwidth;
221 fe_code_rate_t code_rate_HP; /* high priority stream code rate */
222 fe_code_rate_t code_rate_LP; /* low priority stream code rate */
223 fe_modulation_t constellation; /* modulation type (see above) */
224 fe_transmit_mode_t transmission_mode;
225 fe_guard_interval_t guard_interval;
226 fe_hierarchy_t hierarchy_information;
230 struct dvb_frontend_parameters {
231 __u32 frequency; /* (absolute) frequency in Hz for QAM/OFDM/ATSC */
232 /* intermediate frequency in kHz for QPSK */
233 fe_spectral_inversion_t inversion;
235 struct dvb_qpsk_parameters qpsk;
236 struct dvb_qam_parameters qam;
237 struct dvb_ofdm_parameters ofdm;
238 struct dvb_vsb_parameters vsb;
243 struct dvb_frontend_event {
245 struct dvb_frontend_parameters parameters;
249 #define DTV_UNDEFINED 0
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
262 #define DTV_ROLLOFF 13
263 #define DTV_DISEQC_SLAVE_REPLY 14
265 /* Basic enumeration set for querying unlimited capabilities */
266 #define DTV_FE_CAPABILITY_COUNT 15
267 #define DTV_FE_CAPABILITY 16
268 #define DTV_DELIVERY_SYSTEM 17
270 #define DTV_API_VERSION 35
271 #define DTV_API_VERSION 35
272 #define DTV_CODE_RATE_HP 36
273 #define DTV_CODE_RATE_LP 37
274 #define DTV_GUARD_INTERVAL 38
275 #define DTV_TRANSMISSION_MODE 39
276 #define DTV_HIERARCHY 40
278 #define DTV_MAX_COMMAND DTV_HIERARCHY
280 typedef enum fe_pilot {
286 typedef enum fe_rolloff {
287 ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */
293 typedef enum fe_delivery_system {
309 } fe_delivery_system_t;
312 char *name; /* A display name for debugging purposes */
314 __u32 cmd; /* A unique ID */
317 __u32 set:1; /* Either a set or get property */
318 __u32 buffer:1; /* Does this property use the buffer? */
319 __u32 reserved:30; /* Align */
322 struct dtv_property {
335 } __attribute__ ((packed));
337 /* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */
338 #define DTV_IOCTL_MAX_MSGS 64
340 struct dtv_properties {
342 struct dtv_property *props;
345 #define FE_SET_PROPERTY _IOW('o', 82, struct dtv_properties)
346 #define FE_GET_PROPERTY _IOR('o', 83, struct dtv_properties)
350 * When set, this flag will disable any zigzagging or other "normal" tuning
351 * behaviour. Additionally, there will be no automatic monitoring of the lock
352 * status, and hence no frontend events will be generated. If a frontend device
353 * is closed, this flag will be automatically turned off when the device is
354 * reopened read-write.
356 #define FE_TUNE_MODE_ONESHOT 0x01
359 #define FE_GET_INFO _IOR('o', 61, struct dvb_frontend_info)
361 #define FE_DISEQC_RESET_OVERLOAD _IO('o', 62)
362 #define FE_DISEQC_SEND_MASTER_CMD _IOW('o', 63, struct dvb_diseqc_master_cmd)
363 #define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply)
364 #define FE_DISEQC_SEND_BURST _IO('o', 65) /* fe_sec_mini_cmd_t */
366 #define FE_SET_TONE _IO('o', 66) /* fe_sec_tone_mode_t */
367 #define FE_SET_VOLTAGE _IO('o', 67) /* fe_sec_voltage_t */
368 #define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68) /* int */
370 #define FE_READ_STATUS _IOR('o', 69, fe_status_t)
371 #define FE_READ_BER _IOR('o', 70, __u32)
372 #define FE_READ_SIGNAL_STRENGTH _IOR('o', 71, __u16)
373 #define FE_READ_SNR _IOR('o', 72, __u16)
374 #define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32)
376 #define FE_SET_FRONTEND _IOW('o', 76, struct dvb_frontend_parameters)
377 #define FE_GET_FRONTEND _IOR('o', 77, struct dvb_frontend_parameters)
378 #define FE_SET_FRONTEND_TUNE_MODE _IO('o', 81) /* unsigned int */
379 #define FE_GET_EVENT _IOR('o', 78, struct dvb_frontend_event)
381 #define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */
383 #endif /*_DVBFRONTEND_H_*/