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diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h
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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>
38#include <linux/mutex.h>
39#include <linux/slab.h>
40
41#include <linux/dvb/frontend.h>
42
43#include "dvbdev.h"
44
45struct dvb_frontend_tune_settings {
46 int min_delay_ms;
47 int step_size;
48 int max_drift;
49 struct dvb_frontend_parameters parameters;
50};
51
52struct dvb_frontend;
53
54struct dvb_tuner_info {
55 char name[128];
56
57 u32 frequency_min;
58 u32 frequency_max;
59 u32 frequency_step;
60
61 u32 bandwidth_min;
62 u32 bandwidth_max;
63 u32 bandwidth_step;
64};
65
66struct analog_parameters {
67 unsigned int frequency;
68 unsigned int mode;
69 unsigned int audmode;
70 u64 std;
71};
72
73enum dvbfe_modcod {
74 DVBFE_MODCOD_DUMMY_PLFRAME = 0,
75 DVBFE_MODCOD_QPSK_1_4,
76 DVBFE_MODCOD_QPSK_1_3,
77 DVBFE_MODCOD_QPSK_2_5,
78 DVBFE_MODCOD_QPSK_1_2,
79 DVBFE_MODCOD_QPSK_3_5,
80 DVBFE_MODCOD_QPSK_2_3,
81 DVBFE_MODCOD_QPSK_3_4,
82 DVBFE_MODCOD_QPSK_4_5,
83 DVBFE_MODCOD_QPSK_5_6,
84 DVBFE_MODCOD_QPSK_8_9,
85 DVBFE_MODCOD_QPSK_9_10,
86 DVBFE_MODCOD_8PSK_3_5,
87 DVBFE_MODCOD_8PSK_2_3,
88 DVBFE_MODCOD_8PSK_3_4,
89 DVBFE_MODCOD_8PSK_5_6,
90 DVBFE_MODCOD_8PSK_8_9,
91 DVBFE_MODCOD_8PSK_9_10,
92 DVBFE_MODCOD_16APSK_2_3,
93 DVBFE_MODCOD_16APSK_3_4,
94 DVBFE_MODCOD_16APSK_4_5,
95 DVBFE_MODCOD_16APSK_5_6,
96 DVBFE_MODCOD_16APSK_8_9,
97 DVBFE_MODCOD_16APSK_9_10,
98 DVBFE_MODCOD_32APSK_3_4,
99 DVBFE_MODCOD_32APSK_4_5,
100 DVBFE_MODCOD_32APSK_5_6,
101 DVBFE_MODCOD_32APSK_8_9,
102 DVBFE_MODCOD_32APSK_9_10,
103 DVBFE_MODCOD_RESERVED_1,
104 DVBFE_MODCOD_BPSK_1_3,
105 DVBFE_MODCOD_BPSK_1_4,
106 DVBFE_MODCOD_RESERVED_2
107};
108
109enum tuner_param {
110 DVBFE_TUNER_FREQUENCY = (1 << 0),
111 DVBFE_TUNER_TUNERSTEP = (1 << 1),
112 DVBFE_TUNER_IFFREQ = (1 << 2),
113 DVBFE_TUNER_BANDWIDTH = (1 << 3),
114 DVBFE_TUNER_REFCLOCK = (1 << 4),
115 DVBFE_TUNER_IQSENSE = (1 << 5),
116 DVBFE_TUNER_DUMMY = (1 << 31)
117};
118
119/*
120 * ALGO_HW: (Hardware Algorithm)
121 * ----------------------------------------------------------------
122 * Devices that support this algorithm do everything in hardware
123 * and no software support is needed to handle them.
124 * Requesting these devices to LOCK is the only thing required,
125 * device is supposed to do everything in the hardware.
126 *
127 * ALGO_SW: (Software Algorithm)
128 * ----------------------------------------------------------------
129 * These are dumb devices, that require software to do everything
130 *
131 * ALGO_CUSTOM: (Customizable Agorithm)
132 * ----------------------------------------------------------------
133 * Devices having this algorithm can be customized to have specific
134 * algorithms in the frontend driver, rather than simply doing a
135 * software zig-zag. In this case the zigzag maybe hardware assisted
136 * or it maybe completely done in hardware. In all cases, usage of
137 * this algorithm, in conjunction with the search and track
138 * callbacks, utilizes the driver specific algorithm.
139 *
140 * ALGO_RECOVERY: (Recovery Algorithm)
141 * ----------------------------------------------------------------
142 * These devices have AUTO recovery capabilities from LOCK failure
143 */
144enum dvbfe_algo {
145 DVBFE_ALGO_HW = (1 << 0),
146 DVBFE_ALGO_SW = (1 << 1),
147 DVBFE_ALGO_CUSTOM = (1 << 2),
148 DVBFE_ALGO_RECOVERY = (1 << 31)
149};
150
151struct tuner_state {
152 u32 frequency;
153 u32 tunerstep;
154 u32 ifreq;
155 u32 bandwidth;
156 u32 iqsense;
157 u32 refclock;
158};
159
160/*
161 * search callback possible return status
162 *
163 * DVBFE_ALGO_SEARCH_SUCCESS
164 * The frontend search algorithm completed and returned successfully
165 *
166 * DVBFE_ALGO_SEARCH_ASLEEP
167 * The frontend search algorithm is sleeping
168 *
169 * DVBFE_ALGO_SEARCH_FAILED
170 * The frontend search for a signal failed
171 *
172 * DVBFE_ALGO_SEARCH_INVALID
173 * The frontend search algorith was probably supplied with invalid
174 * parameters and the search is an invalid one
175 *
176 * DVBFE_ALGO_SEARCH_ERROR
177 * The frontend search algorithm failed due to some error
178 *
179 * DVBFE_ALGO_SEARCH_AGAIN
180 * The frontend search algorithm was requested to search again
181 */
182enum dvbfe_search {
183 DVBFE_ALGO_SEARCH_SUCCESS = (1 << 0),
184 DVBFE_ALGO_SEARCH_ASLEEP = (1 << 1),
185 DVBFE_ALGO_SEARCH_FAILED = (1 << 2),
186 DVBFE_ALGO_SEARCH_INVALID = (1 << 3),
187 DVBFE_ALGO_SEARCH_AGAIN = (1 << 4),
188 DVBFE_ALGO_SEARCH_ERROR = (1 << 31),
189};
190
191
192struct dvb_tuner_ops {
193
194 struct dvb_tuner_info info;
195
196 int (*release)(struct dvb_frontend *fe);
197 int (*init)(struct dvb_frontend *fe);
198 int (*sleep)(struct dvb_frontend *fe);
199
200 /** This is for simple PLLs - set all parameters in one go. */
201 int (*set_params)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p);
202 int (*set_analog_params)(struct dvb_frontend *fe, struct analog_parameters *p);
203
204 /** This is support for demods like the mt352 - fills out the supplied buffer with what to write. */
205 int (*calc_regs)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p, u8 *buf, int buf_len);
206
207 /** This is to allow setting tuner-specific configs */
208 int (*set_config)(struct dvb_frontend *fe, void *priv_cfg);
209
210 int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency);
211 int (*get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
212
213#define TUNER_STATUS_LOCKED 1
214#define TUNER_STATUS_STEREO 2
215 int (*get_status)(struct dvb_frontend *fe, u32 *status);
216 int (*get_rf_strength)(struct dvb_frontend *fe, u16 *strength);
217
218 /** These are provided separately from set_params in order to facilitate silicon
219 * tuners which require sophisticated tuning loops, controlling each parameter separately. */
220 int (*set_frequency)(struct dvb_frontend *fe, u32 frequency);
221 int (*set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth);
222
223 /*
224 * These are provided separately from set_params in order to facilitate silicon
225 * tuners which require sophisticated tuning loops, controlling each parameter separately.
226 */
227 int (*set_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state);
228 int (*get_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state);
229};
230
231struct analog_demod_info {
232 char *name;
233};
234
235struct analog_demod_ops {
236
237 struct analog_demod_info info;
238
239 void (*set_params)(struct dvb_frontend *fe,
240 struct analog_parameters *params);
241 int (*has_signal)(struct dvb_frontend *fe);
242 int (*get_afc)(struct dvb_frontend *fe);
243 void (*tuner_status)(struct dvb_frontend *fe);
244 void (*standby)(struct dvb_frontend *fe);
245 void (*release)(struct dvb_frontend *fe);
246 int (*i2c_gate_ctrl)(struct dvb_frontend *fe, int enable);
247
248 /** This is to allow setting tuner-specific configuration */
249 int (*set_config)(struct dvb_frontend *fe, void *priv_cfg);
250};
251
252struct dvb_frontend_ops {
253
254 struct dvb_frontend_info info;
255
256 void (*release)(struct dvb_frontend* fe);
257 void (*release_sec)(struct dvb_frontend* fe);
258
259 int (*init)(struct dvb_frontend* fe);
260 int (*sleep)(struct dvb_frontend* fe);
261
262 int (*write)(struct dvb_frontend* fe, const u8 buf[], int len);
263
264 /* if this is set, it overrides the default swzigzag */
265 int (*tune)(struct dvb_frontend* fe,
266 struct dvb_frontend_parameters* params,
267 unsigned int mode_flags,
268 unsigned int *delay,
269 fe_status_t *status);
270 /* get frontend tuning algorithm from the module */
271 enum dvbfe_algo (*get_frontend_algo)(struct dvb_frontend *fe);
272
273 /* these two are only used for the swzigzag code */
274 int (*set_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
275 int (*get_tune_settings)(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* settings);
276
277 int (*get_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
278
279 int (*read_status)(struct dvb_frontend* fe, fe_status_t* status);
280 int (*read_ber)(struct dvb_frontend* fe, u32* ber);
281 int (*read_signal_strength)(struct dvb_frontend* fe, u16* strength);
282 int (*read_snr)(struct dvb_frontend* fe, u16* snr);
283 int (*read_ucblocks)(struct dvb_frontend* fe, u32* ucblocks);
284
285 int (*diseqc_reset_overload)(struct dvb_frontend* fe);
286 int (*diseqc_send_master_cmd)(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd);
287 int (*diseqc_recv_slave_reply)(struct dvb_frontend* fe, struct dvb_diseqc_slave_reply* reply);
288 int (*diseqc_send_burst)(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd);
289 int (*set_tone)(struct dvb_frontend* fe, fe_sec_tone_mode_t tone);
290 int (*set_voltage)(struct dvb_frontend* fe, fe_sec_voltage_t voltage);
291 int (*enable_high_lnb_voltage)(struct dvb_frontend* fe, long arg);
292 int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned long cmd);
293 int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable);
294 int (*ts_bus_ctrl)(struct dvb_frontend* fe, int acquire);
295
296 /* These callbacks are for devices that implement their own
297 * tuning algorithms, rather than a simple swzigzag
298 */
299 enum dvbfe_search (*search)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p);
300 int (*track)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p);
301
302 struct dvb_tuner_ops tuner_ops;
303 struct analog_demod_ops analog_ops;
304
305 int (*set_property)(struct dvb_frontend* fe, struct dtv_property* tvp);
306 int (*get_property)(struct dvb_frontend* fe, struct dtv_property* tvp);
307};
308
309#define MAX_EVENT 8
310
311struct dvb_fe_events {
312 struct dvb_frontend_event events[MAX_EVENT];
313 int eventw;
314 int eventr;
315 int overflow;
316 wait_queue_head_t wait_queue;
317 struct mutex mtx;
318};
319
320struct dtv_frontend_properties {
321
322 /* Cache State */
323 u32 state;
324
325 u32 frequency;
326 fe_modulation_t modulation;
327
328 fe_sec_voltage_t voltage;
329 fe_sec_tone_mode_t sectone;
330 fe_spectral_inversion_t inversion;
331 fe_code_rate_t fec_inner;
332 fe_transmit_mode_t transmission_mode;
333 u32 bandwidth_hz; /* 0 = AUTO */
334 fe_guard_interval_t guard_interval;
335 fe_hierarchy_t hierarchy;
336 u32 symbol_rate;
337 fe_code_rate_t code_rate_HP;
338 fe_code_rate_t code_rate_LP;
339
340 fe_pilot_t pilot;
341 fe_rolloff_t rolloff;
342
343 fe_delivery_system_t delivery_system;
344
345 /* ISDB-T specifics */
346 u8 isdbt_partial_reception;
347 u8 isdbt_sb_mode;
348 u8 isdbt_sb_subchannel;
349 u32 isdbt_sb_segment_idx;
350 u32 isdbt_sb_segment_count;
351 u8 isdbt_layer_enabled;
352 struct {
353 u8 segment_count;
354 fe_code_rate_t fec;
355 fe_modulation_t modulation;
356 u8 interleaving;
357 } layer[3];
358
359 /* ISDB-T specifics */
360 u32 isdbs_ts_id;
361
362 /* DVB-T2 specifics */
363 u32 dvbt2_plp_id;
364};
365
366struct dvb_frontend {
367 struct dvb_frontend_ops ops;
368 struct dvb_adapter *dvb;
369 void *demodulator_priv;
370 void *tuner_priv;
371 void *frontend_priv;
372 void *sec_priv;
373 void *analog_demod_priv;
374 struct dtv_frontend_properties dtv_property_cache;
375#define DVB_FRONTEND_COMPONENT_TUNER 0
376 int (*callback)(void *adapter_priv, int component, int cmd, int arg);
377 int id;
378};
379
380extern int dvb_register_frontend(struct dvb_adapter *dvb,
381 struct dvb_frontend *fe);
382
383extern int dvb_unregister_frontend(struct dvb_frontend *fe);
384
385extern void dvb_frontend_detach(struct dvb_frontend *fe);
386
387extern void dvb_frontend_reinitialise(struct dvb_frontend *fe);
388
389extern void dvb_frontend_sleep_until(struct timeval *waketime, u32 add_usec);
390extern s32 timeval_usec_diff(struct timeval lasttime, struct timeval curtime);
391
392#endif
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