1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
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>
38#include <linux/mutex.h>
39#include <linux/slab.h>
40
41#include <linux/dvb/frontend.h>
42
43#include "dvbdev.h"
44
45
46
47
48
49#define MAX_DELSYS 8
50
51struct dvb_frontend_tune_settings {
52 int min_delay_ms;
53 int step_size;
54 int max_drift;
55};
56
57struct dvb_frontend;
58
59struct dvb_tuner_info {
60 char name[128];
61
62 u32 frequency_min;
63 u32 frequency_max;
64 u32 frequency_step;
65
66 u32 bandwidth_min;
67 u32 bandwidth_max;
68 u32 bandwidth_step;
69};
70
71struct analog_parameters {
72 unsigned int frequency;
73 unsigned int mode;
74 unsigned int audmode;
75 u64 std;
76};
77
78enum dvbfe_modcod {
79 DVBFE_MODCOD_DUMMY_PLFRAME = 0,
80 DVBFE_MODCOD_QPSK_1_4,
81 DVBFE_MODCOD_QPSK_1_3,
82 DVBFE_MODCOD_QPSK_2_5,
83 DVBFE_MODCOD_QPSK_1_2,
84 DVBFE_MODCOD_QPSK_3_5,
85 DVBFE_MODCOD_QPSK_2_3,
86 DVBFE_MODCOD_QPSK_3_4,
87 DVBFE_MODCOD_QPSK_4_5,
88 DVBFE_MODCOD_QPSK_5_6,
89 DVBFE_MODCOD_QPSK_8_9,
90 DVBFE_MODCOD_QPSK_9_10,
91 DVBFE_MODCOD_8PSK_3_5,
92 DVBFE_MODCOD_8PSK_2_3,
93 DVBFE_MODCOD_8PSK_3_4,
94 DVBFE_MODCOD_8PSK_5_6,
95 DVBFE_MODCOD_8PSK_8_9,
96 DVBFE_MODCOD_8PSK_9_10,
97 DVBFE_MODCOD_16APSK_2_3,
98 DVBFE_MODCOD_16APSK_3_4,
99 DVBFE_MODCOD_16APSK_4_5,
100 DVBFE_MODCOD_16APSK_5_6,
101 DVBFE_MODCOD_16APSK_8_9,
102 DVBFE_MODCOD_16APSK_9_10,
103 DVBFE_MODCOD_32APSK_3_4,
104 DVBFE_MODCOD_32APSK_4_5,
105 DVBFE_MODCOD_32APSK_5_6,
106 DVBFE_MODCOD_32APSK_8_9,
107 DVBFE_MODCOD_32APSK_9_10,
108 DVBFE_MODCOD_RESERVED_1,
109 DVBFE_MODCOD_BPSK_1_3,
110 DVBFE_MODCOD_BPSK_1_4,
111 DVBFE_MODCOD_RESERVED_2
112};
113
114enum tuner_param {
115 DVBFE_TUNER_FREQUENCY = (1 << 0),
116 DVBFE_TUNER_TUNERSTEP = (1 << 1),
117 DVBFE_TUNER_IFFREQ = (1 << 2),
118 DVBFE_TUNER_BANDWIDTH = (1 << 3),
119 DVBFE_TUNER_REFCLOCK = (1 << 4),
120 DVBFE_TUNER_IQSENSE = (1 << 5),
121 DVBFE_TUNER_DUMMY = (1 << 31)
122};
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149enum dvbfe_algo {
150 DVBFE_ALGO_HW = (1 << 0),
151 DVBFE_ALGO_SW = (1 << 1),
152 DVBFE_ALGO_CUSTOM = (1 << 2),
153 DVBFE_ALGO_RECOVERY = (1 << 31)
154};
155
156struct tuner_state {
157 u32 frequency;
158 u32 tunerstep;
159 u32 ifreq;
160 u32 bandwidth;
161 u32 iqsense;
162 u32 refclock;
163};
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187enum dvbfe_search {
188 DVBFE_ALGO_SEARCH_SUCCESS = (1 << 0),
189 DVBFE_ALGO_SEARCH_ASLEEP = (1 << 1),
190 DVBFE_ALGO_SEARCH_FAILED = (1 << 2),
191 DVBFE_ALGO_SEARCH_INVALID = (1 << 3),
192 DVBFE_ALGO_SEARCH_AGAIN = (1 << 4),
193 DVBFE_ALGO_SEARCH_ERROR = (1 << 31),
194};
195
196
197struct dvb_tuner_ops {
198
199 struct dvb_tuner_info info;
200
201 int (*release)(struct dvb_frontend *fe);
202 int (*init)(struct dvb_frontend *fe);
203 int (*sleep)(struct dvb_frontend *fe);
204
205
206 int (*set_params)(struct dvb_frontend *fe);
207 int (*set_analog_params)(struct dvb_frontend *fe, struct analog_parameters *p);
208
209
210 int (*calc_regs)(struct dvb_frontend *fe, u8 *buf, int buf_len);
211
212
213 int (*set_config)(struct dvb_frontend *fe, void *priv_cfg);
214
215 int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency);
216 int (*get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
217 int (*get_if_frequency)(struct dvb_frontend *fe, u32 *frequency);
218
219#define TUNER_STATUS_LOCKED 1
220#define TUNER_STATUS_STEREO 2
221 int (*get_status)(struct dvb_frontend *fe, u32 *status);
222 int (*get_rf_strength)(struct dvb_frontend *fe, u16 *strength);
223
224
225
226 int (*set_frequency)(struct dvb_frontend *fe, u32 frequency);
227 int (*set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth);
228
229
230
231
232
233 int (*set_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state);
234 int (*get_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state);
235};
236
237struct analog_demod_info {
238 char *name;
239};
240
241struct analog_demod_ops {
242
243 struct analog_demod_info info;
244
245 void (*set_params)(struct dvb_frontend *fe,
246 struct analog_parameters *params);
247 int (*has_signal)(struct dvb_frontend *fe);
248 int (*get_afc)(struct dvb_frontend *fe);
249 void (*tuner_status)(struct dvb_frontend *fe);
250 void (*standby)(struct dvb_frontend *fe);
251 void (*release)(struct dvb_frontend *fe);
252 int (*i2c_gate_ctrl)(struct dvb_frontend *fe, int enable);
253
254
255 int (*set_config)(struct dvb_frontend *fe, void *priv_cfg);
256};
257
258struct dtv_frontend_properties;
259
260struct dvb_frontend_ops {
261
262 struct dvb_frontend_info info;
263
264 u8 delsys[MAX_DELSYS];
265
266 void (*release)(struct dvb_frontend* fe);
267 void (*release_sec)(struct dvb_frontend* fe);
268
269 int (*init)(struct dvb_frontend* fe);
270 int (*sleep)(struct dvb_frontend* fe);
271
272 int (*write)(struct dvb_frontend* fe, const u8 buf[], int len);
273
274
275 int (*tune)(struct dvb_frontend* fe,
276 bool re_tune,
277 unsigned int mode_flags,
278 unsigned int *delay,
279 fe_status_t *status);
280
281 enum dvbfe_algo (*get_frontend_algo)(struct dvb_frontend *fe);
282
283
284 int (*set_frontend)(struct dvb_frontend *fe);
285 int (*get_tune_settings)(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* settings);
286
287 int (*get_frontend)(struct dvb_frontend *fe);
288
289 int (*read_status)(struct dvb_frontend* fe, fe_status_t* status);
290 int (*read_ber)(struct dvb_frontend* fe, u32* ber);
291 int (*read_signal_strength)(struct dvb_frontend* fe, u16* strength);
292 int (*read_snr)(struct dvb_frontend* fe, u16* snr);
293 int (*read_ucblocks)(struct dvb_frontend* fe, u32* ucblocks);
294
295 int (*diseqc_reset_overload)(struct dvb_frontend* fe);
296 int (*diseqc_send_master_cmd)(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd);
297 int (*diseqc_recv_slave_reply)(struct dvb_frontend* fe, struct dvb_diseqc_slave_reply* reply);
298 int (*diseqc_send_burst)(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd);
299 int (*set_tone)(struct dvb_frontend* fe, fe_sec_tone_mode_t tone);
300 int (*set_voltage)(struct dvb_frontend* fe, fe_sec_voltage_t voltage);
301 int (*enable_high_lnb_voltage)(struct dvb_frontend* fe, long arg);
302 int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned long cmd);
303 int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable);
304 int (*ts_bus_ctrl)(struct dvb_frontend* fe, int acquire);
305
306
307
308
309 enum dvbfe_search (*search)(struct dvb_frontend *fe);
310
311 struct dvb_tuner_ops tuner_ops;
312 struct analog_demod_ops analog_ops;
313
314 int (*set_property)(struct dvb_frontend* fe, struct dtv_property* tvp);
315 int (*get_property)(struct dvb_frontend* fe, struct dtv_property* tvp);
316};
317
318#ifdef __DVB_CORE__
319#define MAX_EVENT 8
320
321struct dvb_fe_events {
322 struct dvb_frontend_event events[MAX_EVENT];
323 int eventw;
324 int eventr;
325 int overflow;
326 wait_queue_head_t wait_queue;
327 struct mutex mtx;
328};
329#endif
330
331struct dtv_frontend_properties {
332
333
334 u32 state;
335
336 u32 frequency;
337 fe_modulation_t modulation;
338
339 fe_sec_voltage_t voltage;
340 fe_sec_tone_mode_t sectone;
341 fe_spectral_inversion_t inversion;
342 fe_code_rate_t fec_inner;
343 fe_transmit_mode_t transmission_mode;
344 u32 bandwidth_hz;
345 fe_guard_interval_t guard_interval;
346 fe_hierarchy_t hierarchy;
347 u32 symbol_rate;
348 fe_code_rate_t code_rate_HP;
349 fe_code_rate_t code_rate_LP;
350
351 fe_pilot_t pilot;
352 fe_rolloff_t rolloff;
353
354 fe_delivery_system_t delivery_system;
355
356
357 u8 isdbt_partial_reception;
358 u8 isdbt_sb_mode;
359 u8 isdbt_sb_subchannel;
360 u32 isdbt_sb_segment_idx;
361 u32 isdbt_sb_segment_count;
362 u8 isdbt_layer_enabled;
363 struct {
364 u8 segment_count;
365 fe_code_rate_t fec;
366 fe_modulation_t modulation;
367 u8 interleaving;
368 } layer[3];
369
370
371 u32 isdbs_ts_id;
372
373
374 u32 dvbt2_plp_id;
375
376
377 u8 atscmh_fic_ver;
378 u8 atscmh_parade_id;
379 u8 atscmh_nog;
380 u8 atscmh_tnog;
381 u8 atscmh_sgn;
382 u8 atscmh_prc;
383
384 u8 atscmh_rs_frame_mode;
385 u8 atscmh_rs_frame_ensemble;
386 u8 atscmh_rs_code_mode_pri;
387 u8 atscmh_rs_code_mode_sec;
388 u8 atscmh_sccc_block_mode;
389 u8 atscmh_sccc_code_mode_a;
390 u8 atscmh_sccc_code_mode_b;
391 u8 atscmh_sccc_code_mode_c;
392 u8 atscmh_sccc_code_mode_d;
393};
394
395struct dvb_frontend {
396 struct dvb_frontend_ops ops;
397 struct dvb_adapter *dvb;
398 void *demodulator_priv;
399 void *tuner_priv;
400 void *frontend_priv;
401 void *sec_priv;
402 void *analog_demod_priv;
403 struct dtv_frontend_properties dtv_property_cache;
404#define DVB_FRONTEND_COMPONENT_TUNER 0
405#define DVB_FRONTEND_COMPONENT_DEMOD 1
406 int (*callback)(void *adapter_priv, int component, int cmd, int arg);
407 int id;
408};
409
410extern int dvb_register_frontend(struct dvb_adapter *dvb,
411 struct dvb_frontend *fe);
412
413extern int dvb_unregister_frontend(struct dvb_frontend *fe);
414
415extern void dvb_frontend_detach(struct dvb_frontend *fe);
416
417extern void dvb_frontend_reinitialise(struct dvb_frontend *fe);
418
419extern void dvb_frontend_sleep_until(struct timeval *waketime, u32 add_usec);
420extern s32 timeval_usec_diff(struct timeval lasttime, struct timeval curtime);
421
422#endif
423