source: svn/trunk/newcon3bcm2_21bu/toolchain/mips-linux-uclibc/include/linux/dvb/frontend.h

Last change on this file was 2, checked in by jglee, 11 years ago

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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 <asm/types.h>
30
31
32typedef enum fe_type {
33        FE_QPSK,
34        FE_QAM,
35        FE_OFDM,
36        FE_ATSC
37} fe_type_t;
38
39
40typedef enum fe_caps {
41        FE_IS_STUPID                    = 0,
42        FE_CAN_INVERSION_AUTO           = 0x1,
43        FE_CAN_FEC_1_2                  = 0x2,
44        FE_CAN_FEC_2_3                  = 0x4,
45        FE_CAN_FEC_3_4                  = 0x8,
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,
52        FE_CAN_QPSK                     = 0x400,
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_NEEDS_BENDING                = 0x20000000, // not supported anymore, don't use (frontend requires frequency bending)
66        FE_CAN_RECOVER                  = 0x40000000, // frontend can recover from a cable unplug automatically
67        FE_CAN_MUTE_TS                  = 0x80000000  // frontend can stop spurious TS data output
68} fe_caps_t;
69
70
71struct dvb_frontend_info {
72        char       name[128];
73        fe_type_t  type;
74        __u32      frequency_min;
75        __u32      frequency_max;
76        __u32      frequency_stepsize;
77        __u32      frequency_tolerance;
78        __u32      symbol_rate_min;
79        __u32      symbol_rate_max;
80        __u32      symbol_rate_tolerance;       /* ppm */
81        __u32      notifier_delay;              /* DEPRECATED */
82        fe_caps_t  caps;
83};
84
85
86/**
87 *  Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
88 *  the meaning of this struct...
89 */
90struct dvb_diseqc_master_cmd {
91        __u8 msg [6];   /*  { framing, address, command, data [3] } */
92        __u8 msg_len;   /*  valid values are 3...6  */
93};
94
95
96struct dvb_diseqc_slave_reply {
97        __u8 msg [4];   /*  { framing, data [3] } */
98        __u8 msg_len;   /*  valid values are 0...4, 0 means no msg  */
99        int  timeout;   /*  return from ioctl after timeout ms with */
100};                      /*  errorcode when no message was received  */
101
102
103typedef enum fe_sec_voltage {
104        SEC_VOLTAGE_13,
105        SEC_VOLTAGE_18,
106        SEC_VOLTAGE_OFF
107} fe_sec_voltage_t;
108
109
110typedef enum fe_sec_tone_mode {
111        SEC_TONE_ON,
112        SEC_TONE_OFF
113} fe_sec_tone_mode_t;
114
115
116typedef enum fe_sec_mini_cmd {
117        SEC_MINI_A,
118        SEC_MINI_B
119} fe_sec_mini_cmd_t;
120
121
122typedef enum fe_status {
123        FE_HAS_SIGNAL   = 0x01,   /*  found something above the noise level */
124        FE_HAS_CARRIER  = 0x02,   /*  found a DVB signal  */
125        FE_HAS_VITERBI  = 0x04,   /*  FEC is stable  */
126        FE_HAS_SYNC     = 0x08,   /*  found sync bytes  */
127        FE_HAS_LOCK     = 0x10,   /*  everything's working... */
128        FE_TIMEDOUT     = 0x20,   /*  no lock within the last ~2 seconds */
129        FE_REINIT       = 0x40    /*  frontend was reinitialized,  */
130} fe_status_t;                    /*  application is recommended to reset */
131                                  /*  DiSEqC, tone and parameters */
132
133typedef enum fe_spectral_inversion {
134        INVERSION_OFF,
135        INVERSION_ON,
136        INVERSION_AUTO
137} fe_spectral_inversion_t;
138
139
140typedef enum fe_code_rate {
141        FEC_NONE = 0,
142        FEC_1_2,
143        FEC_2_3,
144        FEC_3_4,
145        FEC_4_5,
146        FEC_5_6,
147        FEC_6_7,
148        FEC_7_8,
149        FEC_8_9,
150        FEC_AUTO
151} fe_code_rate_t;
152
153
154typedef enum fe_modulation {
155        QPSK,
156        QAM_16,
157        QAM_32,
158        QAM_64,
159        QAM_128,
160        QAM_256,
161        QAM_AUTO,
162        VSB_8,
163        VSB_16
164} fe_modulation_t;
165
166typedef enum fe_transmit_mode {
167        TRANSMISSION_MODE_2K,
168        TRANSMISSION_MODE_8K,
169        TRANSMISSION_MODE_AUTO
170} fe_transmit_mode_t;
171
172typedef enum fe_bandwidth {
173        BANDWIDTH_8_MHZ,
174        BANDWIDTH_7_MHZ,
175        BANDWIDTH_6_MHZ,
176        BANDWIDTH_AUTO
177} fe_bandwidth_t;
178
179
180typedef enum fe_guard_interval {
181        GUARD_INTERVAL_1_32,
182        GUARD_INTERVAL_1_16,
183        GUARD_INTERVAL_1_8,
184        GUARD_INTERVAL_1_4,
185        GUARD_INTERVAL_AUTO
186} fe_guard_interval_t;
187
188
189typedef enum fe_hierarchy {
190        HIERARCHY_NONE,
191        HIERARCHY_1,
192        HIERARCHY_2,
193        HIERARCHY_4,
194        HIERARCHY_AUTO
195} fe_hierarchy_t;
196
197
198struct dvb_qpsk_parameters {
199        __u32           symbol_rate;  /* symbol rate in Symbols per second */
200        fe_code_rate_t  fec_inner;    /* forward error correction (see above) */
201};
202
203struct dvb_qam_parameters {
204        __u32           symbol_rate; /* symbol rate in Symbols per second */
205        fe_code_rate_t  fec_inner;   /* forward error correction (see above) */
206        fe_modulation_t modulation;  /* modulation type (see above) */
207};
208
209struct dvb_vsb_parameters {
210        fe_modulation_t modulation;  /* modulation type (see above) */
211};
212
213struct dvb_ofdm_parameters {
214        fe_bandwidth_t      bandwidth;
215        fe_code_rate_t      code_rate_HP;  /* high priority stream code rate */
216        fe_code_rate_t      code_rate_LP;  /* low priority stream code rate */
217        fe_modulation_t     constellation; /* modulation type (see above) */
218        fe_transmit_mode_t  transmission_mode;
219        fe_guard_interval_t guard_interval;
220        fe_hierarchy_t      hierarchy_information;
221};
222
223
224struct dvb_frontend_parameters {
225        __u32 frequency;     /* (absolute) frequency in Hz for QAM/OFDM/ATSC */
226                             /* intermediate frequency in kHz for QPSK */
227        fe_spectral_inversion_t inversion;
228        union {
229                struct dvb_qpsk_parameters qpsk;
230                struct dvb_qam_parameters  qam;
231                struct dvb_ofdm_parameters ofdm;
232                struct dvb_vsb_parameters vsb;
233        } u;
234};
235
236
237struct dvb_frontend_event {
238        fe_status_t status;
239        struct dvb_frontend_parameters parameters;
240};
241
242
243
244#define FE_GET_INFO                _IOR('o', 61, struct dvb_frontend_info)
245
246#define FE_DISEQC_RESET_OVERLOAD   _IO('o', 62)
247#define FE_DISEQC_SEND_MASTER_CMD  _IOW('o', 63, struct dvb_diseqc_master_cmd)
248#define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply)
249#define FE_DISEQC_SEND_BURST       _IO('o', 65)  /* fe_sec_mini_cmd_t */
250
251#define FE_SET_TONE                _IO('o', 66)  /* fe_sec_tone_mode_t */
252#define FE_SET_VOLTAGE             _IO('o', 67)  /* fe_sec_voltage_t */
253#define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68)  /* int */
254
255#define FE_READ_STATUS             _IOR('o', 69, fe_status_t)
256#define FE_READ_BER                _IOR('o', 70, __u32)
257#define FE_READ_SIGNAL_STRENGTH    _IOR('o', 71, __u16)
258#define FE_READ_SNR                _IOR('o', 72, __u16)
259#define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32)
260
261#define FE_SET_FRONTEND            _IOW('o', 76, struct dvb_frontend_parameters)
262#define FE_GET_FRONTEND            _IOR('o', 77, struct dvb_frontend_parameters)
263#define FE_GET_EVENT               _IOR('o', 78, struct dvb_frontend_event)
264
265#define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */
266
267#endif /*_DVBFRONTEND_H_*/
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