Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * dvb_frontend.h | |
3 | * | |
4 | * Copyright (C) 2001 convergence integrated media GmbH | |
5 | * Copyright (C) 2004 convergence GmbH | |
6 | * | |
7 | * Written by Ralph Metzler | |
8 | * Overhauled by Holger Waechtler | |
9 | * Kernel I2C stuff by Michael Hunold <hunold@convergence.de> | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU Lesser General Public License | |
13 | * as published by the Free Software Foundation; either version 2.1 | |
14 | * of the License, or (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | ||
22 | * You should have received a copy of the GNU Lesser General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
25 | * | |
26 | */ | |
27 | ||
28 | #ifndef _DVB_FRONTEND_H_ | |
29 | #define _DVB_FRONTEND_H_ | |
30 | ||
31 | #include <linux/types.h> | |
32 | #include <linux/sched.h> | |
33 | #include <linux/ioctl.h> | |
34 | #include <linux/i2c.h> | |
35 | #include <linux/module.h> | |
36 | #include <linux/errno.h> | |
37 | #include <linux/delay.h> | |
03b76123 | 38 | #include <linux/mutex.h> |
5a0e3ad6 | 39 | #include <linux/slab.h> |
1da177e4 LT |
40 | |
41 | #include <linux/dvb/frontend.h> | |
42 | ||
43 | #include "dvbdev.h" | |
44 | ||
eeacf147 MCC |
45 | /* |
46 | * Maximum number of Delivery systems per frontend. It | |
47 | * should be smaller or equal to 32 | |
48 | */ | |
49 | #define MAX_DELSYS 8 | |
50 | ||
b9de1726 MCC |
51 | /** |
52 | * struct dvb_frontend_tune_settings - parameters to adjust frontend tuning | |
53 | * | |
54 | * @min_delay_ms: minimum delay for tuning, in ms | |
55 | * @step_size: step size between two consecutive frequencies | |
56 | * @max_drift: maximum drift | |
57 | * | |
58 | * NOTE: step_size is in Hz, for terrestrial/cable or kHz for satellite | |
59 | */ | |
1da177e4 | 60 | struct dvb_frontend_tune_settings { |
afd1a0c9 MCC |
61 | int min_delay_ms; |
62 | int step_size; | |
63 | int max_drift; | |
1da177e4 LT |
64 | }; |
65 | ||
66 | struct dvb_frontend; | |
67 | ||
7eef5dd6 AQ |
68 | struct dvb_tuner_info { |
69 | char name[128]; | |
70 | ||
71 | u32 frequency_min; | |
72 | u32 frequency_max; | |
73 | u32 frequency_step; | |
74 | ||
75 | u32 bandwidth_min; | |
76 | u32 bandwidth_max; | |
77 | u32 bandwidth_step; | |
78 | }; | |
79 | ||
e18f9444 MK |
80 | struct analog_parameters { |
81 | unsigned int frequency; | |
82 | unsigned int mode; | |
83 | unsigned int audmode; | |
84 | u64 std; | |
85 | }; | |
86 | ||
c59e7870 MA |
87 | enum dvbfe_modcod { |
88 | DVBFE_MODCOD_DUMMY_PLFRAME = 0, | |
89 | DVBFE_MODCOD_QPSK_1_4, | |
90 | DVBFE_MODCOD_QPSK_1_3, | |
91 | DVBFE_MODCOD_QPSK_2_5, | |
92 | DVBFE_MODCOD_QPSK_1_2, | |
93 | DVBFE_MODCOD_QPSK_3_5, | |
94 | DVBFE_MODCOD_QPSK_2_3, | |
95 | DVBFE_MODCOD_QPSK_3_4, | |
96 | DVBFE_MODCOD_QPSK_4_5, | |
97 | DVBFE_MODCOD_QPSK_5_6, | |
98 | DVBFE_MODCOD_QPSK_8_9, | |
99 | DVBFE_MODCOD_QPSK_9_10, | |
100 | DVBFE_MODCOD_8PSK_3_5, | |
101 | DVBFE_MODCOD_8PSK_2_3, | |
102 | DVBFE_MODCOD_8PSK_3_4, | |
103 | DVBFE_MODCOD_8PSK_5_6, | |
104 | DVBFE_MODCOD_8PSK_8_9, | |
105 | DVBFE_MODCOD_8PSK_9_10, | |
106 | DVBFE_MODCOD_16APSK_2_3, | |
107 | DVBFE_MODCOD_16APSK_3_4, | |
108 | DVBFE_MODCOD_16APSK_4_5, | |
109 | DVBFE_MODCOD_16APSK_5_6, | |
110 | DVBFE_MODCOD_16APSK_8_9, | |
111 | DVBFE_MODCOD_16APSK_9_10, | |
112 | DVBFE_MODCOD_32APSK_3_4, | |
113 | DVBFE_MODCOD_32APSK_4_5, | |
114 | DVBFE_MODCOD_32APSK_5_6, | |
115 | DVBFE_MODCOD_32APSK_8_9, | |
116 | DVBFE_MODCOD_32APSK_9_10, | |
117 | DVBFE_MODCOD_RESERVED_1, | |
118 | DVBFE_MODCOD_BPSK_1_3, | |
119 | DVBFE_MODCOD_BPSK_1_4, | |
120 | DVBFE_MODCOD_RESERVED_2 | |
121 | }; | |
122 | ||
123 | enum tuner_param { | |
124 | DVBFE_TUNER_FREQUENCY = (1 << 0), | |
125 | DVBFE_TUNER_TUNERSTEP = (1 << 1), | |
126 | DVBFE_TUNER_IFFREQ = (1 << 2), | |
127 | DVBFE_TUNER_BANDWIDTH = (1 << 3), | |
128 | DVBFE_TUNER_REFCLOCK = (1 << 4), | |
129 | DVBFE_TUNER_IQSENSE = (1 << 5), | |
130 | DVBFE_TUNER_DUMMY = (1 << 31) | |
131 | }; | |
132 | ||
4f1c1868 MCC |
133 | /** |
134 | * enum dvbfe_algo - defines the algorithm used to tune into a channel | |
135 | * | |
136 | * @DVBFE_ALGO_HW: (Hardware Algorithm) | |
137 | * Devices that support this algorithm do everything in hardware | |
138 | * and no software support is needed to handle them. | |
139 | * Requesting these devices to LOCK is the only thing required, | |
140 | * device is supposed to do everything in the hardware. | |
141 | * | |
142 | * @DVBFE_ALGO_SW: (Software Algorithm) | |
c59e7870 MA |
143 | * These are dumb devices, that require software to do everything |
144 | * | |
4f1c1868 MCC |
145 | * @DVBFE_ALGO_CUSTOM: (Customizable Agorithm) |
146 | * Devices having this algorithm can be customized to have specific | |
147 | * algorithms in the frontend driver, rather than simply doing a | |
148 | * software zig-zag. In this case the zigzag maybe hardware assisted | |
149 | * or it maybe completely done in hardware. In all cases, usage of | |
150 | * this algorithm, in conjunction with the search and track | |
151 | * callbacks, utilizes the driver specific algorithm. | |
152 | * | |
153 | * @DVBFE_ALGO_RECOVERY: (Recovery Algorithm) | |
154 | * These devices have AUTO recovery capabilities from LOCK failure | |
c59e7870 MA |
155 | */ |
156 | enum dvbfe_algo { | |
157 | DVBFE_ALGO_HW = (1 << 0), | |
158 | DVBFE_ALGO_SW = (1 << 1), | |
159 | DVBFE_ALGO_CUSTOM = (1 << 2), | |
160 | DVBFE_ALGO_RECOVERY = (1 << 31) | |
161 | }; | |
162 | ||
163 | struct tuner_state { | |
164 | u32 frequency; | |
165 | u32 tunerstep; | |
166 | u32 ifreq; | |
167 | u32 bandwidth; | |
168 | u32 iqsense; | |
169 | u32 refclock; | |
170 | }; | |
171 | ||
4f1c1868 MCC |
172 | /** |
173 | * enum dvbfe_search - search callback possible return status | |
c59e7870 | 174 | * |
4f1c1868 MCC |
175 | * @DVBFE_ALGO_SEARCH_SUCCESS: |
176 | * The frontend search algorithm completed and returned successfully | |
c59e7870 | 177 | * |
4f1c1868 MCC |
178 | * @DVBFE_ALGO_SEARCH_ASLEEP: |
179 | * The frontend search algorithm is sleeping | |
c59e7870 | 180 | * |
4f1c1868 MCC |
181 | * @DVBFE_ALGO_SEARCH_FAILED: |
182 | * The frontend search for a signal failed | |
c59e7870 | 183 | * |
4f1c1868 MCC |
184 | * @DVBFE_ALGO_SEARCH_INVALID: |
185 | * The frontend search algorith was probably supplied with invalid | |
186 | * parameters and the search is an invalid one | |
c59e7870 | 187 | * |
4f1c1868 MCC |
188 | * @DVBFE_ALGO_SEARCH_ERROR: |
189 | * The frontend search algorithm failed due to some error | |
c59e7870 | 190 | * |
4f1c1868 MCC |
191 | * @DVBFE_ALGO_SEARCH_AGAIN: |
192 | * The frontend search algorithm was requested to search again | |
c59e7870 MA |
193 | */ |
194 | enum dvbfe_search { | |
195 | DVBFE_ALGO_SEARCH_SUCCESS = (1 << 0), | |
196 | DVBFE_ALGO_SEARCH_ASLEEP = (1 << 1), | |
197 | DVBFE_ALGO_SEARCH_FAILED = (1 << 2), | |
198 | DVBFE_ALGO_SEARCH_INVALID = (1 << 3), | |
199 | DVBFE_ALGO_SEARCH_AGAIN = (1 << 4), | |
200 | DVBFE_ALGO_SEARCH_ERROR = (1 << 31), | |
201 | }; | |
202 | ||
203 | ||
7eef5dd6 | 204 | struct dvb_tuner_ops { |
f6adb91c | 205 | |
7eef5dd6 AQ |
206 | struct dvb_tuner_info info; |
207 | ||
7eef5dd6 | 208 | int (*release)(struct dvb_frontend *fe); |
7eef5dd6 | 209 | int (*init)(struct dvb_frontend *fe); |
7eef5dd6 | 210 | int (*sleep)(struct dvb_frontend *fe); |
59d7889a MCC |
211 | int (*suspend)(struct dvb_frontend *fe); |
212 | int (*resume)(struct dvb_frontend *fe); | |
7eef5dd6 | 213 | |
f6adb91c | 214 | /** This is for simple PLLs - set all parameters in one go. */ |
14d24d14 | 215 | int (*set_params)(struct dvb_frontend *fe); |
e18f9444 | 216 | int (*set_analog_params)(struct dvb_frontend *fe, struct analog_parameters *p); |
7eef5dd6 | 217 | |
f6adb91c | 218 | /** This is support for demods like the mt352 - fills out the supplied buffer with what to write. */ |
249fa0b0 | 219 | int (*calc_regs)(struct dvb_frontend *fe, u8 *buf, int buf_len); |
7eef5dd6 | 220 | |
7f171123 MCC |
221 | /** This is to allow setting tuner-specific configs */ |
222 | int (*set_config)(struct dvb_frontend *fe, void *priv_cfg); | |
223 | ||
f6adb91c | 224 | int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency); |
7eef5dd6 | 225 | int (*get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth); |
8513e144 | 226 | int (*get_if_frequency)(struct dvb_frontend *fe, u32 *frequency); |
7eef5dd6 | 227 | |
7eef5dd6 | 228 | #define TUNER_STATUS_LOCKED 1 |
e18f9444 | 229 | #define TUNER_STATUS_STEREO 2 |
7eef5dd6 | 230 | int (*get_status)(struct dvb_frontend *fe, u32 *status); |
8fb3b9f7 | 231 | int (*get_rf_strength)(struct dvb_frontend *fe, u16 *strength); |
1d432a3d | 232 | int (*get_afc)(struct dvb_frontend *fe, s32 *afc); |
7eef5dd6 | 233 | |
3ad2f3fb DM |
234 | /** These are provided separately from set_params in order to facilitate silicon |
235 | * tuners which require sophisticated tuning loops, controlling each parameter separately. */ | |
7eef5dd6 | 236 | int (*set_frequency)(struct dvb_frontend *fe, u32 frequency); |
7eef5dd6 | 237 | int (*set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth); |
c59e7870 MA |
238 | |
239 | /* | |
3ad2f3fb DM |
240 | * These are provided separately from set_params in order to facilitate silicon |
241 | * tuners which require sophisticated tuning loops, controlling each parameter separately. | |
c59e7870 MA |
242 | */ |
243 | int (*set_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state); | |
244 | int (*get_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state); | |
7eef5dd6 AQ |
245 | }; |
246 | ||
807ffe8d MK |
247 | struct analog_demod_info { |
248 | char *name; | |
249 | }; | |
250 | ||
bc3e5c7f | 251 | struct analog_demod_ops { |
807ffe8d MK |
252 | |
253 | struct analog_demod_info info; | |
254 | ||
255 | void (*set_params)(struct dvb_frontend *fe, | |
256 | struct analog_parameters *params); | |
dfc2e12d | 257 | int (*has_signal)(struct dvb_frontend *fe, u16 *signal); |
a2192cf4 | 258 | int (*get_afc)(struct dvb_frontend *fe, s32 *afc); |
807ffe8d MK |
259 | void (*tuner_status)(struct dvb_frontend *fe); |
260 | void (*standby)(struct dvb_frontend *fe); | |
261 | void (*release)(struct dvb_frontend *fe); | |
262 | int (*i2c_gate_ctrl)(struct dvb_frontend *fe, int enable); | |
263 | ||
264 | /** This is to allow setting tuner-specific configuration */ | |
265 | int (*set_config)(struct dvb_frontend *fe, void *priv_cfg); | |
266 | }; | |
267 | ||
a689e365 MCC |
268 | struct dtv_frontend_properties; |
269 | ||
1da177e4 LT |
270 | struct dvb_frontend_ops { |
271 | ||
272 | struct dvb_frontend_info info; | |
273 | ||
eeacf147 MCC |
274 | u8 delsys[MAX_DELSYS]; |
275 | ||
1da177e4 | 276 | void (*release)(struct dvb_frontend* fe); |
94cbae5a | 277 | void (*release_sec)(struct dvb_frontend* fe); |
1da177e4 LT |
278 | |
279 | int (*init)(struct dvb_frontend* fe); | |
280 | int (*sleep)(struct dvb_frontend* fe); | |
281 | ||
2e4e98e7 | 282 | int (*write)(struct dvb_frontend* fe, const u8 buf[], int len); |
94cbae5a | 283 | |
36cb557a AQ |
284 | /* if this is set, it overrides the default swzigzag */ |
285 | int (*tune)(struct dvb_frontend* fe, | |
7e072221 | 286 | bool re_tune, |
36cb557a | 287 | unsigned int mode_flags, |
260f8d7c | 288 | unsigned int *delay, |
0df289a2 | 289 | enum fe_status *status); |
0249ef16 | 290 | /* get frontend tuning algorithm from the module */ |
c59e7870 | 291 | enum dvbfe_algo (*get_frontend_algo)(struct dvb_frontend *fe); |
36cb557a AQ |
292 | |
293 | /* these two are only used for the swzigzag code */ | |
bc9cd273 | 294 | int (*set_frontend)(struct dvb_frontend *fe); |
1da177e4 LT |
295 | int (*get_tune_settings)(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* settings); |
296 | ||
7c61d80a | 297 | int (*get_frontend)(struct dvb_frontend *fe); |
36cb557a | 298 | |
0df289a2 | 299 | int (*read_status)(struct dvb_frontend *fe, enum fe_status *status); |
1da177e4 LT |
300 | int (*read_ber)(struct dvb_frontend* fe, u32* ber); |
301 | int (*read_signal_strength)(struct dvb_frontend* fe, u16* strength); | |
302 | int (*read_snr)(struct dvb_frontend* fe, u16* snr); | |
303 | int (*read_ucblocks)(struct dvb_frontend* fe, u32* ucblocks); | |
304 | ||
305 | int (*diseqc_reset_overload)(struct dvb_frontend* fe); | |
306 | int (*diseqc_send_master_cmd)(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd); | |
307 | int (*diseqc_recv_slave_reply)(struct dvb_frontend* fe, struct dvb_diseqc_slave_reply* reply); | |
0df289a2 MCC |
308 | int (*diseqc_send_burst)(struct dvb_frontend *fe, |
309 | enum fe_sec_mini_cmd minicmd); | |
310 | int (*set_tone)(struct dvb_frontend *fe, enum fe_sec_tone_mode tone); | |
311 | int (*set_voltage)(struct dvb_frontend *fe, | |
312 | enum fe_sec_voltage voltage); | |
400b7083 PB |
313 | int (*enable_high_lnb_voltage)(struct dvb_frontend* fe, long arg); |
314 | int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned long cmd); | |
611900c1 | 315 | int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable); |
ba7e6f3e | 316 | int (*ts_bus_ctrl)(struct dvb_frontend* fe, int acquire); |
33eebec5 | 317 | int (*set_lna)(struct dvb_frontend *); |
7eef5dd6 | 318 | |
c59e7870 MA |
319 | /* These callbacks are for devices that implement their own |
320 | * tuning algorithms, rather than a simple swzigzag | |
321 | */ | |
41da5320 | 322 | enum dvbfe_search (*search)(struct dvb_frontend *fe); |
c59e7870 | 323 | |
7eef5dd6 | 324 | struct dvb_tuner_ops tuner_ops; |
bc3e5c7f | 325 | struct analog_demod_ops analog_ops; |
6b73eeaf | 326 | |
e7fee0f3 ST |
327 | int (*set_property)(struct dvb_frontend* fe, struct dtv_property* tvp); |
328 | int (*get_property)(struct dvb_frontend* fe, struct dtv_property* tvp); | |
1da177e4 LT |
329 | }; |
330 | ||
8de8594a | 331 | #ifdef __DVB_CORE__ |
1da177e4 LT |
332 | #define MAX_EVENT 8 |
333 | ||
334 | struct dvb_fe_events { | |
335 | struct dvb_frontend_event events[MAX_EVENT]; | |
336 | int eventw; | |
337 | int eventr; | |
338 | int overflow; | |
339 | wait_queue_head_t wait_queue; | |
03b76123 | 340 | struct mutex mtx; |
1da177e4 | 341 | }; |
8de8594a | 342 | #endif |
1da177e4 | 343 | |
56f0680a | 344 | struct dtv_frontend_properties { |
6b73eeaf ST |
345 | |
346 | /* Cache State */ | |
347 | u32 state; | |
348 | ||
349 | u32 frequency; | |
0df289a2 | 350 | enum fe_modulation modulation; |
6b73eeaf | 351 | |
0df289a2 MCC |
352 | enum fe_sec_voltage voltage; |
353 | enum fe_sec_tone_mode sectone; | |
354 | enum fe_spectral_inversion inversion; | |
355 | enum fe_code_rate fec_inner; | |
356 | enum fe_transmit_mode transmission_mode; | |
75b7f943 | 357 | u32 bandwidth_hz; /* 0 = AUTO */ |
0df289a2 MCC |
358 | enum fe_guard_interval guard_interval; |
359 | enum fe_hierarchy hierarchy; | |
6b73eeaf | 360 | u32 symbol_rate; |
0df289a2 MCC |
361 | enum fe_code_rate code_rate_HP; |
362 | enum fe_code_rate code_rate_LP; | |
6b73eeaf | 363 | |
0df289a2 MCC |
364 | enum fe_pilot pilot; |
365 | enum fe_rolloff rolloff; | |
6b73eeaf | 366 | |
0df289a2 | 367 | enum fe_delivery_system delivery_system; |
b6e760f3 | 368 | |
224b6642 AP |
369 | enum fe_interleaving interleaving; |
370 | ||
b6e760f3 PB |
371 | /* ISDB-T specifics */ |
372 | u8 isdbt_partial_reception; | |
373 | u8 isdbt_sb_mode; | |
374 | u8 isdbt_sb_subchannel; | |
375 | u32 isdbt_sb_segment_idx; | |
376 | u32 isdbt_sb_segment_count; | |
377 | u8 isdbt_layer_enabled; | |
378 | struct { | |
379 | u8 segment_count; | |
0df289a2 MCC |
380 | enum fe_code_rate fec; |
381 | enum fe_modulation modulation; | |
b6e760f3 PB |
382 | u8 interleaving; |
383 | } layer[3]; | |
98293ef3 | 384 | |
287cefd0 EP |
385 | /* Multistream specifics */ |
386 | u32 stream_id; | |
ca689488 MK |
387 | |
388 | /* ATSC-MH specifics */ | |
389 | u8 atscmh_fic_ver; | |
390 | u8 atscmh_parade_id; | |
391 | u8 atscmh_nog; | |
392 | u8 atscmh_tnog; | |
393 | u8 atscmh_sgn; | |
394 | u8 atscmh_prc; | |
395 | ||
396 | u8 atscmh_rs_frame_mode; | |
397 | u8 atscmh_rs_frame_ensemble; | |
398 | u8 atscmh_rs_code_mode_pri; | |
399 | u8 atscmh_rs_code_mode_sec; | |
400 | u8 atscmh_sccc_block_mode; | |
401 | u8 atscmh_sccc_code_mode_a; | |
402 | u8 atscmh_sccc_code_mode_b; | |
403 | u8 atscmh_sccc_code_mode_c; | |
404 | u8 atscmh_sccc_code_mode_d; | |
33eebec5 AP |
405 | |
406 | u32 lna; | |
7cd4ece5 MCC |
407 | |
408 | /* statistics data */ | |
409 | struct dtv_fe_stats strength; | |
410 | struct dtv_fe_stats cnr; | |
411 | struct dtv_fe_stats pre_bit_error; | |
412 | struct dtv_fe_stats pre_bit_count; | |
413 | struct dtv_fe_stats post_bit_error; | |
414 | struct dtv_fe_stats post_bit_count; | |
415 | struct dtv_fe_stats block_error; | |
416 | struct dtv_fe_stats block_count; | |
6b73eeaf ST |
417 | }; |
418 | ||
18ed2860 SK |
419 | #define DVB_FE_NO_EXIT 0 |
420 | #define DVB_FE_NORMAL_EXIT 1 | |
421 | #define DVB_FE_DEVICE_REMOVED 2 | |
87cd0fa8 | 422 | #define DVB_FE_DEVICE_RESUME 3 |
18ed2860 | 423 | |
1da177e4 | 424 | struct dvb_frontend { |
dea74869 | 425 | struct dvb_frontend_ops ops; |
1da177e4 | 426 | struct dvb_adapter *dvb; |
482b498d MK |
427 | void *demodulator_priv; |
428 | void *tuner_priv; | |
429 | void *frontend_priv; | |
430 | void *sec_priv; | |
431 | void *analog_demod_priv; | |
56f0680a | 432 | struct dtv_frontend_properties dtv_property_cache; |
ebb8d68a | 433 | #define DVB_FRONTEND_COMPONENT_TUNER 0 |
b748e6a9 | 434 | #define DVB_FRONTEND_COMPONENT_DEMOD 1 |
ebb8d68a | 435 | int (*callback)(void *adapter_priv, int component, int cmd, int arg); |
363c35fc | 436 | int id; |
18ed2860 | 437 | unsigned int exit; |
1da177e4 LT |
438 | }; |
439 | ||
482b498d MK |
440 | extern int dvb_register_frontend(struct dvb_adapter *dvb, |
441 | struct dvb_frontend *fe); | |
1da177e4 | 442 | |
482b498d | 443 | extern int dvb_unregister_frontend(struct dvb_frontend *fe); |
1da177e4 | 444 | |
482b498d | 445 | extern void dvb_frontend_detach(struct dvb_frontend *fe); |
f52a838b | 446 | |
86f40cc3 | 447 | extern void dvb_frontend_reinitialise(struct dvb_frontend *fe); |
06bae122 AP |
448 | extern int dvb_frontend_suspend(struct dvb_frontend *fe); |
449 | extern int dvb_frontend_resume(struct dvb_frontend *fe); | |
86f40cc3 | 450 | |
9056a23b | 451 | extern void dvb_frontend_sleep_until(ktime_t *waketime, u32 add_usec); |
83b75b04 | 452 | |
1da177e4 | 453 | #endif |