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path: root/drivers/media/dvb/firewire/avc.c
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-rw-r--r--drivers/media/dvb/firewire/avc.c1051
1 files changed, 1051 insertions, 0 deletions
diff --git a/drivers/media/dvb/firewire/avc.c b/drivers/media/dvb/firewire/avc.c
new file mode 100644
index 000000000000..847a537b1f58
--- /dev/null
+++ b/drivers/media/dvb/firewire/avc.c
@@ -0,0 +1,1051 @@
1/*
2 * FireDTV driver (formerly known as FireSAT)
3 *
4 * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
5 * Copyright (C) 2008 Ben Backx <ben@bbackx.com>
6 * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 */
13
14#include <linux/bug.h>
15#include <linux/crc32.h>
16#include <linux/delay.h>
17#include <linux/device.h>
18#include <linux/kernel.h>
19#include <linux/moduleparam.h>
20#include <linux/mutex.h>
21#include <linux/string.h>
22#include <linux/wait.h>
23#include <linux/workqueue.h>
24
25#include <ieee1394_transactions.h>
26#include <nodemgr.h>
27
28#include "avc.h"
29#include "firedtv.h"
30#include "firedtv-rc.h"
31
32#define FCP_COMMAND_REGISTER 0xfffff0000b00ULL
33
34static int __avc_write(struct firedtv *fdtv,
35 const AVCCmdFrm *CmdFrm, AVCRspFrm *RspFrm)
36{
37 int err, retry;
38
39 if (RspFrm)
40 fdtv->avc_reply_received = false;
41
42 for (retry = 0; retry < 6; retry++) {
43 err = hpsb_node_write(fdtv->ud->ne, FCP_COMMAND_REGISTER,
44 (quadlet_t *)CmdFrm, CmdFrm->length);
45 if (err) {
46 fdtv->avc_reply_received = true;
47 dev_err(&fdtv->ud->device,
48 "FCP command write failed\n");
49 return err;
50 }
51
52 if (!RspFrm)
53 return 0;
54
55 /*
56 * AV/C specs say that answers should be sent within 150 ms.
57 * Time out after 200 ms.
58 */
59 if (wait_event_timeout(fdtv->avc_wait,
60 fdtv->avc_reply_received,
61 HZ / 5) != 0) {
62 memcpy(RspFrm, fdtv->respfrm, fdtv->resp_length);
63 RspFrm->length = fdtv->resp_length;
64
65 return 0;
66 }
67 }
68 dev_err(&fdtv->ud->device, "FCP response timed out\n");
69 return -ETIMEDOUT;
70}
71
72static int avc_write(struct firedtv *fdtv,
73 const AVCCmdFrm *CmdFrm, AVCRspFrm *RspFrm)
74{
75 int ret;
76
77 if (mutex_lock_interruptible(&fdtv->avc_mutex))
78 return -EINTR;
79
80 ret = __avc_write(fdtv, CmdFrm, RspFrm);
81
82 mutex_unlock(&fdtv->avc_mutex);
83 return ret;
84}
85
86int avc_recv(struct firedtv *fdtv, u8 *data, size_t length)
87{
88 AVCRspFrm *RspFrm = (AVCRspFrm *)data;
89
90 if (length >= 8 &&
91 RspFrm->operand[0] == SFE_VENDOR_DE_COMPANYID_0 &&
92 RspFrm->operand[1] == SFE_VENDOR_DE_COMPANYID_1 &&
93 RspFrm->operand[2] == SFE_VENDOR_DE_COMPANYID_2 &&
94 RspFrm->operand[3] == SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL) {
95 if (RspFrm->resp == CHANGED) {
96 fdtv_handle_rc(fdtv,
97 RspFrm->operand[4] << 8 | RspFrm->operand[5]);
98 schedule_work(&fdtv->remote_ctrl_work);
99 } else if (RspFrm->resp != INTERIM) {
100 dev_info(&fdtv->ud->device,
101 "remote control result = %d\n", RspFrm->resp);
102 }
103 return 0;
104 }
105
106 if (fdtv->avc_reply_received) {
107 dev_err(&fdtv->ud->device,
108 "received out-of-order AVC response, ignored\n");
109 return -EIO;
110 }
111
112 memcpy(fdtv->respfrm, data, length);
113 fdtv->resp_length = length;
114
115 fdtv->avc_reply_received = true;
116 wake_up(&fdtv->avc_wait);
117
118 return 0;
119}
120
121/*
122 * tuning command for setting the relative LNB frequency
123 * (not supported by the AVC standard)
124 */
125static void avc_tuner_tuneqpsk(struct firedtv *fdtv,
126 struct dvb_frontend_parameters *params, AVCCmdFrm *CmdFrm)
127{
128 CmdFrm->opcode = VENDOR;
129
130 CmdFrm->operand[0] = SFE_VENDOR_DE_COMPANYID_0;
131 CmdFrm->operand[1] = SFE_VENDOR_DE_COMPANYID_1;
132 CmdFrm->operand[2] = SFE_VENDOR_DE_COMPANYID_2;
133 CmdFrm->operand[3] = SFE_VENDOR_OPCODE_TUNE_QPSK;
134
135 CmdFrm->operand[4] = (params->frequency >> 24) & 0xff;
136 CmdFrm->operand[5] = (params->frequency >> 16) & 0xff;
137 CmdFrm->operand[6] = (params->frequency >> 8) & 0xff;
138 CmdFrm->operand[7] = params->frequency & 0xff;
139
140 CmdFrm->operand[8] = ((params->u.qpsk.symbol_rate / 1000) >> 8) & 0xff;
141 CmdFrm->operand[9] = (params->u.qpsk.symbol_rate / 1000) & 0xff;
142
143 switch(params->u.qpsk.fec_inner) {
144 case FEC_1_2:
145 CmdFrm->operand[10] = 0x1; break;
146 case FEC_2_3:
147 CmdFrm->operand[10] = 0x2; break;
148 case FEC_3_4:
149 CmdFrm->operand[10] = 0x3; break;
150 case FEC_5_6:
151 CmdFrm->operand[10] = 0x4; break;
152 case FEC_7_8:
153 CmdFrm->operand[10] = 0x5; break;
154 case FEC_4_5:
155 case FEC_8_9:
156 case FEC_AUTO:
157 default:
158 CmdFrm->operand[10] = 0x0;
159 }
160
161 if (fdtv->voltage == 0xff)
162 CmdFrm->operand[11] = 0xff;
163 else if (fdtv->voltage == SEC_VOLTAGE_18) /* polarisation */
164 CmdFrm->operand[11] = 0;
165 else
166 CmdFrm->operand[11] = 1;
167
168 if (fdtv->tone == 0xff)
169 CmdFrm->operand[12] = 0xff;
170 else if (fdtv->tone == SEC_TONE_ON) /* band */
171 CmdFrm->operand[12] = 1;
172 else
173 CmdFrm->operand[12] = 0;
174
175 if (fdtv->type == FIREDTV_DVB_S2) {
176 CmdFrm->operand[13] = 0x1;
177 CmdFrm->operand[14] = 0xff;
178 CmdFrm->operand[15] = 0xff;
179 CmdFrm->length = 20;
180 } else {
181 CmdFrm->length = 16;
182 }
183}
184
185static void avc_tuner_dsd_dvb_c(struct dvb_frontend_parameters *params,
186 AVCCmdFrm *CmdFrm)
187{
188 M_VALID_FLAGS flags;
189
190 flags.Bits.Modulation = params->u.qam.modulation != QAM_AUTO;
191 flags.Bits.FEC_inner = params->u.qam.fec_inner != FEC_AUTO;
192 flags.Bits.FEC_outer = 0;
193 flags.Bits.Symbol_Rate = 1;
194 flags.Bits.Frequency = 1;
195 flags.Bits.Orbital_Pos = 0;
196 flags.Bits.Polarisation = 0;
197 flags.Bits.reserved_fields = 0;
198 flags.Bits.reserved1 = 0;
199 flags.Bits.Network_ID = 0;
200
201 CmdFrm->opcode = DSD;
202
203 CmdFrm->operand[0] = 0; /* source plug */
204 CmdFrm->operand[1] = 0xd2; /* subfunction replace */
205 CmdFrm->operand[2] = 0x20; /* system id = DVB */
206 CmdFrm->operand[3] = 0x00; /* antenna number */
207 /* system_specific_multiplex selection_length */
208 CmdFrm->operand[4] = 0x11;
209 CmdFrm->operand[5] = flags.Valid_Word.ByteHi; /* valid_flags [0] */
210 CmdFrm->operand[6] = flags.Valid_Word.ByteLo; /* valid_flags [1] */
211 CmdFrm->operand[7] = 0x00;
212 CmdFrm->operand[8] = 0x00;
213 CmdFrm->operand[9] = 0x00;
214 CmdFrm->operand[10] = 0x00;
215
216 CmdFrm->operand[11] =
217 (((params->frequency / 4000) >> 16) & 0xff) | (2 << 6);
218 CmdFrm->operand[12] =
219 ((params->frequency / 4000) >> 8) & 0xff;
220 CmdFrm->operand[13] = (params->frequency / 4000) & 0xff;
221 CmdFrm->operand[14] =
222 ((params->u.qpsk.symbol_rate / 1000) >> 12) & 0xff;
223 CmdFrm->operand[15] =
224 ((params->u.qpsk.symbol_rate / 1000) >> 4) & 0xff;
225 CmdFrm->operand[16] =
226 ((params->u.qpsk.symbol_rate / 1000) << 4) & 0xf0;
227 CmdFrm->operand[17] = 0x00;
228
229 switch (params->u.qpsk.fec_inner) {
230 case FEC_1_2:
231 CmdFrm->operand[18] = 0x1; break;
232 case FEC_2_3:
233 CmdFrm->operand[18] = 0x2; break;
234 case FEC_3_4:
235 CmdFrm->operand[18] = 0x3; break;
236 case FEC_5_6:
237 CmdFrm->operand[18] = 0x4; break;
238 case FEC_7_8:
239 CmdFrm->operand[18] = 0x5; break;
240 case FEC_8_9:
241 CmdFrm->operand[18] = 0x6; break;
242 case FEC_4_5:
243 CmdFrm->operand[18] = 0x8; break;
244 case FEC_AUTO:
245 default:
246 CmdFrm->operand[18] = 0x0;
247 }
248 switch (params->u.qam.modulation) {
249 case QAM_16:
250 CmdFrm->operand[19] = 0x08; break;
251 case QAM_32:
252 CmdFrm->operand[19] = 0x10; break;
253 case QAM_64:
254 CmdFrm->operand[19] = 0x18; break;
255 case QAM_128:
256 CmdFrm->operand[19] = 0x20; break;
257 case QAM_256:
258 CmdFrm->operand[19] = 0x28; break;
259 case QAM_AUTO:
260 default:
261 CmdFrm->operand[19] = 0x00;
262 }
263 CmdFrm->operand[20] = 0x00;
264 CmdFrm->operand[21] = 0x00;
265 /* Nr_of_dsd_sel_specs = 0 -> no PIDs are transmitted */
266 CmdFrm->operand[22] = 0x00;
267
268 CmdFrm->length = 28;
269}
270
271static void avc_tuner_dsd_dvb_t(struct dvb_frontend_parameters *params,
272 AVCCmdFrm *CmdFrm)
273{
274 M_VALID_FLAGS flags;
275
276 flags.Bits_T.GuardInterval =
277 params->u.ofdm.guard_interval != GUARD_INTERVAL_AUTO;
278 flags.Bits_T.CodeRateLPStream =
279 params->u.ofdm.code_rate_LP != FEC_AUTO;
280 flags.Bits_T.CodeRateHPStream =
281 params->u.ofdm.code_rate_HP != FEC_AUTO;
282 flags.Bits_T.HierarchyInfo =
283 params->u.ofdm.hierarchy_information != HIERARCHY_AUTO;
284 flags.Bits_T.Constellation =
285 params->u.ofdm.constellation != QAM_AUTO;
286 flags.Bits_T.Bandwidth =
287 params->u.ofdm.bandwidth != BANDWIDTH_AUTO;
288 flags.Bits_T.CenterFrequency = 1;
289 flags.Bits_T.reserved1 = 0;
290 flags.Bits_T.reserved2 = 0;
291 flags.Bits_T.OtherFrequencyFlag = 0;
292 flags.Bits_T.TransmissionMode =
293 params->u.ofdm.transmission_mode != TRANSMISSION_MODE_AUTO;
294 flags.Bits_T.NetworkId = 0;
295
296 CmdFrm->opcode = DSD;
297
298 CmdFrm->operand[0] = 0; /* source plug */
299 CmdFrm->operand[1] = 0xd2; /* subfunction replace */
300 CmdFrm->operand[2] = 0x20; /* system id = DVB */
301 CmdFrm->operand[3] = 0x00; /* antenna number */
302 /* system_specific_multiplex selection_length */
303 CmdFrm->operand[4] = 0x0c;
304 CmdFrm->operand[5] = flags.Valid_Word.ByteHi; /* valid_flags [0] */
305 CmdFrm->operand[6] = flags.Valid_Word.ByteLo; /* valid_flags [1] */
306 CmdFrm->operand[7] = 0x0;
307 CmdFrm->operand[8] = (params->frequency / 10) >> 24;
308 CmdFrm->operand[9] = ((params->frequency / 10) >> 16) & 0xff;
309 CmdFrm->operand[10] = ((params->frequency / 10) >> 8) & 0xff;
310 CmdFrm->operand[11] = (params->frequency / 10) & 0xff;
311
312 switch (params->u.ofdm.bandwidth) {
313 case BANDWIDTH_7_MHZ:
314 CmdFrm->operand[12] = 0x20; break;
315 case BANDWIDTH_8_MHZ:
316 case BANDWIDTH_6_MHZ: /* not defined by AVC spec */
317 case BANDWIDTH_AUTO:
318 default:
319 CmdFrm->operand[12] = 0x00;
320 }
321 switch (params->u.ofdm.constellation) {
322 case QAM_16:
323 CmdFrm->operand[13] = 1 << 6; break;
324 case QAM_64:
325 CmdFrm->operand[13] = 2 << 6; break;
326 case QPSK:
327 default:
328 CmdFrm->operand[13] = 0x00;
329 }
330 switch (params->u.ofdm.hierarchy_information) {
331 case HIERARCHY_1:
332 CmdFrm->operand[13] |= 1 << 3; break;
333 case HIERARCHY_2:
334 CmdFrm->operand[13] |= 2 << 3; break;
335 case HIERARCHY_4:
336 CmdFrm->operand[13] |= 3 << 3; break;
337 case HIERARCHY_AUTO:
338 case HIERARCHY_NONE:
339 default:
340 break;
341 }
342 switch (params->u.ofdm.code_rate_HP) {
343 case FEC_2_3:
344 CmdFrm->operand[13] |= 1; break;
345 case FEC_3_4:
346 CmdFrm->operand[13] |= 2; break;
347 case FEC_5_6:
348 CmdFrm->operand[13] |= 3; break;
349 case FEC_7_8:
350 CmdFrm->operand[13] |= 4; break;
351 case FEC_1_2:
352 default:
353 break;
354 }
355 switch (params->u.ofdm.code_rate_LP) {
356 case FEC_2_3:
357 CmdFrm->operand[14] = 1 << 5; break;
358 case FEC_3_4:
359 CmdFrm->operand[14] = 2 << 5; break;
360 case FEC_5_6:
361 CmdFrm->operand[14] = 3 << 5; break;
362 case FEC_7_8:
363 CmdFrm->operand[14] = 4 << 5; break;
364 case FEC_1_2:
365 default:
366 CmdFrm->operand[14] = 0x00; break;
367 }
368 switch (params->u.ofdm.guard_interval) {
369 case GUARD_INTERVAL_1_16:
370 CmdFrm->operand[14] |= 1 << 3; break;
371 case GUARD_INTERVAL_1_8:
372 CmdFrm->operand[14] |= 2 << 3; break;
373 case GUARD_INTERVAL_1_4:
374 CmdFrm->operand[14] |= 3 << 3; break;
375 case GUARD_INTERVAL_1_32:
376 case GUARD_INTERVAL_AUTO:
377 default:
378 break;
379 }
380 switch (params->u.ofdm.transmission_mode) {
381 case TRANSMISSION_MODE_8K:
382 CmdFrm->operand[14] |= 1 << 1; break;
383 case TRANSMISSION_MODE_2K:
384 case TRANSMISSION_MODE_AUTO:
385 default:
386 break;
387 }
388
389 CmdFrm->operand[15] = 0x00; /* network_ID[0] */
390 CmdFrm->operand[16] = 0x00; /* network_ID[1] */
391 /* Nr_of_dsd_sel_specs = 0 -> no PIDs are transmitted */
392 CmdFrm->operand[17] = 0x00;
393
394 CmdFrm->length = 24;
395}
396
397int avc_tuner_dsd(struct firedtv *fdtv,
398 struct dvb_frontend_parameters *params)
399{
400 AVCCmdFrm CmdFrm;
401 AVCRspFrm RspFrm;
402
403 memset(&CmdFrm, 0, sizeof(AVCCmdFrm));
404
405 CmdFrm.cts = AVC;
406 CmdFrm.ctype = CONTROL;
407 CmdFrm.sutyp = 0x5;
408 CmdFrm.suid = fdtv->subunit;
409
410 switch (fdtv->type) {
411 case FIREDTV_DVB_S:
412 case FIREDTV_DVB_S2:
413 avc_tuner_tuneqpsk(fdtv, params, &CmdFrm); break;
414 case FIREDTV_DVB_C:
415 avc_tuner_dsd_dvb_c(params, &CmdFrm); break;
416 case FIREDTV_DVB_T:
417 avc_tuner_dsd_dvb_t(params, &CmdFrm); break;
418 default:
419 BUG();
420 }
421
422 if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0)
423 return -EIO;
424
425 msleep(500);
426#if 0
427 /* FIXME: */
428 /* u8 *status was an out-parameter of avc_tuner_dsd, unused by caller */
429 if(status)
430 *status=RspFrm.operand[2];
431#endif
432 return 0;
433}
434
435int avc_tuner_set_pids(struct firedtv *fdtv, unsigned char pidc, u16 pid[])
436{
437 AVCCmdFrm CmdFrm;
438 AVCRspFrm RspFrm;
439 int pos, k;
440
441 if (pidc > 16 && pidc != 0xff)
442 return -EINVAL;
443
444 memset(&CmdFrm, 0, sizeof(AVCCmdFrm));
445
446 CmdFrm.cts = AVC;
447 CmdFrm.ctype = CONTROL;
448 CmdFrm.sutyp = 0x5;
449 CmdFrm.suid = fdtv->subunit;
450 CmdFrm.opcode = DSD;
451
452 CmdFrm.operand[0] = 0; // source plug
453 CmdFrm.operand[1] = 0xD2; // subfunction replace
454 CmdFrm.operand[2] = 0x20; // system id = DVB
455 CmdFrm.operand[3] = 0x00; // antenna number
456 CmdFrm.operand[4] = 0x00; // system_specific_multiplex selection_length
457 CmdFrm.operand[5] = pidc; // Nr_of_dsd_sel_specs
458
459 pos = 6;
460 if (pidc != 0xff)
461 for (k = 0; k < pidc; k++) {
462 CmdFrm.operand[pos++] = 0x13; // flowfunction relay
463 CmdFrm.operand[pos++] = 0x80; // dsd_sel_spec_valid_flags -> PID
464 CmdFrm.operand[pos++] = (pid[k] >> 8) & 0x1F;
465 CmdFrm.operand[pos++] = pid[k] & 0xFF;
466 CmdFrm.operand[pos++] = 0x00; // tableID
467 CmdFrm.operand[pos++] = 0x00; // filter_length
468 }
469
470 CmdFrm.length = ALIGN(3 + pos, 4);
471
472 if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0)
473 return -EIO;
474
475 msleep(50);
476 return 0;
477}
478
479int avc_tuner_get_ts(struct firedtv *fdtv)
480{
481 AVCCmdFrm CmdFrm;
482 AVCRspFrm RspFrm;
483
484 memset(&CmdFrm, 0, sizeof(AVCCmdFrm));
485
486 CmdFrm.cts = AVC;
487 CmdFrm.ctype = CONTROL;
488 CmdFrm.sutyp = 0x5;
489 CmdFrm.suid = fdtv->subunit;
490 CmdFrm.opcode = DSIT;
491
492 CmdFrm.operand[0] = 0; // source plug
493 CmdFrm.operand[1] = 0xD2; // subfunction replace
494 CmdFrm.operand[2] = 0xFF; //status
495 CmdFrm.operand[3] = 0x20; // system id = DVB
496 CmdFrm.operand[4] = 0x00; // antenna number
497 CmdFrm.operand[5] = 0x0; // system_specific_search_flags
498 CmdFrm.operand[6] = (fdtv->type == FIREDTV_DVB_T)?0x0c:0x11; // system_specific_multiplex selection_length
499 CmdFrm.operand[7] = 0x00; // valid_flags [0]
500 CmdFrm.operand[8] = 0x00; // valid_flags [1]
501 CmdFrm.operand[7 + (fdtv->type == FIREDTV_DVB_T)?0x0c:0x11] = 0x00; // nr_of_dsit_sel_specs (always 0)
502
503 CmdFrm.length = (fdtv->type == FIREDTV_DVB_T)?24:28;
504
505 if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0)
506 return -EIO;
507
508 msleep(250);
509 return 0;
510}
511
512int avc_identify_subunit(struct firedtv *fdtv)
513{
514 AVCCmdFrm CmdFrm;
515 AVCRspFrm RspFrm;
516
517 memset(&CmdFrm,0,sizeof(AVCCmdFrm));
518
519 CmdFrm.cts = AVC;
520 CmdFrm.ctype = CONTROL;
521 CmdFrm.sutyp = 0x5; // tuner
522 CmdFrm.suid = fdtv->subunit;
523 CmdFrm.opcode = READ_DESCRIPTOR;
524
525 CmdFrm.operand[0]=DESCRIPTOR_SUBUNIT_IDENTIFIER;
526 CmdFrm.operand[1]=0xff;
527 CmdFrm.operand[2]=0x00;
528 CmdFrm.operand[3]=0x00; // length highbyte
529 CmdFrm.operand[4]=0x08; // length lowbyte
530 CmdFrm.operand[5]=0x00; // offset highbyte
531 CmdFrm.operand[6]=0x0d; // offset lowbyte
532
533 CmdFrm.length=12;
534
535 if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0)
536 return -EIO;
537
538 if ((RspFrm.resp != STABLE && RspFrm.resp != ACCEPTED) ||
539 (RspFrm.operand[3] << 8) + RspFrm.operand[4] != 8) {
540 dev_err(&fdtv->ud->device,
541 "cannot read subunit identifier\n");
542 return -EINVAL;
543 }
544 return 0;
545}
546
547int avc_tuner_status(struct firedtv *fdtv,
548 ANTENNA_INPUT_INFO *antenna_input_info)
549{
550 AVCCmdFrm CmdFrm;
551 AVCRspFrm RspFrm;
552 int length;
553
554 memset(&CmdFrm, 0, sizeof(AVCCmdFrm));
555
556 CmdFrm.cts=AVC;
557 CmdFrm.ctype=CONTROL;
558 CmdFrm.sutyp=0x05; // tuner
559 CmdFrm.suid=fdtv->subunit;
560 CmdFrm.opcode=READ_DESCRIPTOR;
561
562 CmdFrm.operand[0]=DESCRIPTOR_TUNER_STATUS;
563 CmdFrm.operand[1]=0xff; //read_result_status
564 CmdFrm.operand[2]=0x00; // reserver
565 CmdFrm.operand[3]=0;//sizeof(ANTENNA_INPUT_INFO) >> 8;
566 CmdFrm.operand[4]=0;//sizeof(ANTENNA_INPUT_INFO) & 0xFF;
567 CmdFrm.operand[5]=0x00;
568 CmdFrm.operand[6]=0x00;
569 CmdFrm.length=12;
570
571 if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0)
572 return -EIO;
573
574 if (RspFrm.resp != STABLE && RspFrm.resp != ACCEPTED) {
575 dev_err(&fdtv->ud->device, "cannot read tuner status\n");
576 return -EINVAL;
577 }
578
579 length = RspFrm.operand[9];
580 if (RspFrm.operand[1] != 0x10 || length != sizeof(ANTENNA_INPUT_INFO)) {
581 dev_err(&fdtv->ud->device, "got invalid tuner status\n");
582 return -EINVAL;
583 }
584
585 memcpy(antenna_input_info, &RspFrm.operand[10], length);
586 return 0;
587}
588
589int avc_lnb_control(struct firedtv *fdtv, char voltage, char burst,
590 char conttone, char nrdiseq,
591 struct dvb_diseqc_master_cmd *diseqcmd)
592{
593 AVCCmdFrm CmdFrm;
594 AVCRspFrm RspFrm;
595 int i, j, k;
596
597 memset(&CmdFrm, 0, sizeof(AVCCmdFrm));
598
599 CmdFrm.cts=AVC;
600 CmdFrm.ctype=CONTROL;
601 CmdFrm.sutyp=0x05;
602 CmdFrm.suid=fdtv->subunit;
603 CmdFrm.opcode=VENDOR;
604
605 CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0;
606 CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1;
607 CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2;
608 CmdFrm.operand[3]=SFE_VENDOR_OPCODE_LNB_CONTROL;
609
610 CmdFrm.operand[4]=voltage;
611 CmdFrm.operand[5]=nrdiseq;
612
613 i=6;
614
615 for (j = 0; j < nrdiseq; j++) {
616 CmdFrm.operand[i++] = diseqcmd[j].msg_len;
617
618 for (k = 0; k < diseqcmd[j].msg_len; k++)
619 CmdFrm.operand[i++] = diseqcmd[j].msg[k];
620 }
621
622 CmdFrm.operand[i++]=burst;
623 CmdFrm.operand[i++]=conttone;
624
625 CmdFrm.length = ALIGN(3 + i, 4);
626
627 if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0)
628 return -EIO;
629
630 if (RspFrm.resp != ACCEPTED) {
631 dev_err(&fdtv->ud->device, "LNB control failed\n");
632 return -EINVAL;
633 }
634
635 return 0;
636}
637
638int avc_register_remote_control(struct firedtv *fdtv)
639{
640 AVCCmdFrm CmdFrm;
641
642 memset(&CmdFrm, 0, sizeof(AVCCmdFrm));
643
644 CmdFrm.cts = AVC;
645 CmdFrm.ctype = NOTIFY;
646 CmdFrm.sutyp = 0x1f;
647 CmdFrm.suid = 0x7;
648 CmdFrm.opcode = VENDOR;
649
650 CmdFrm.operand[0] = SFE_VENDOR_DE_COMPANYID_0;
651 CmdFrm.operand[1] = SFE_VENDOR_DE_COMPANYID_1;
652 CmdFrm.operand[2] = SFE_VENDOR_DE_COMPANYID_2;
653 CmdFrm.operand[3] = SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL;
654
655 CmdFrm.length = 8;
656
657 return avc_write(fdtv, &CmdFrm, NULL);
658}
659
660void avc_remote_ctrl_work(struct work_struct *work)
661{
662 struct firedtv *fdtv =
663 container_of(work, struct firedtv, remote_ctrl_work);
664
665 /* Should it be rescheduled in failure cases? */
666 avc_register_remote_control(fdtv);
667}
668
669#if 0 /* FIXME: unused */
670int avc_tuner_host2ca(struct firedtv *fdtv)
671{
672 AVCCmdFrm CmdFrm;
673 AVCRspFrm RspFrm;
674
675 memset(&CmdFrm, 0, sizeof(AVCCmdFrm));
676 CmdFrm.cts = AVC;
677 CmdFrm.ctype = CONTROL;
678 CmdFrm.sutyp = 0x5;
679 CmdFrm.suid = fdtv->subunit;
680 CmdFrm.opcode = VENDOR;
681
682 CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0;
683 CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1;
684 CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2;
685 CmdFrm.operand[3]=SFE_VENDOR_OPCODE_HOST2CA;
686 CmdFrm.operand[4] = 0; // slot
687 CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; // ca tag
688 CmdFrm.operand[6] = 0; // more/last
689 CmdFrm.operand[7] = 0; // length
690 CmdFrm.length = 12;
691
692 if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0)
693 return -EIO;
694
695 return 0;
696}
697#endif
698
699static int get_ca_object_pos(AVCRspFrm *RspFrm)
700{
701 int length = 1;
702
703 /* Check length of length field */
704 if (RspFrm->operand[7] & 0x80)
705 length = (RspFrm->operand[7] & 0x7f) + 1;
706 return length + 7;
707}
708
709static int get_ca_object_length(AVCRspFrm *RspFrm)
710{
711#if 0 /* FIXME: unused */
712 int size = 0;
713 int i;
714
715 if (RspFrm->operand[7] & 0x80)
716 for (i = 0; i < (RspFrm->operand[7] & 0x7f); i++) {
717 size <<= 8;
718 size += RspFrm->operand[8 + i];
719 }
720#endif
721 return RspFrm->operand[7];
722}
723
724int avc_ca_app_info(struct firedtv *fdtv, char *app_info, unsigned int *len)
725{
726 AVCCmdFrm CmdFrm;
727 AVCRspFrm RspFrm;
728 int pos;
729
730 memset(&CmdFrm, 0, sizeof(AVCCmdFrm));
731 CmdFrm.cts = AVC;
732 CmdFrm.ctype = STATUS;
733 CmdFrm.sutyp = 0x5;
734 CmdFrm.suid = fdtv->subunit;
735 CmdFrm.opcode = VENDOR;
736
737 CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0;
738 CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1;
739 CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2;
740 CmdFrm.operand[3]=SFE_VENDOR_OPCODE_CA2HOST;
741 CmdFrm.operand[4] = 0; // slot
742 CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; // ca tag
743 CmdFrm.length = 12;
744
745 if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0)
746 return -EIO;
747
748 /* FIXME: check response code and validate response data */
749
750 pos = get_ca_object_pos(&RspFrm);
751 app_info[0] = (TAG_APP_INFO >> 16) & 0xFF;
752 app_info[1] = (TAG_APP_INFO >> 8) & 0xFF;
753 app_info[2] = (TAG_APP_INFO >> 0) & 0xFF;
754 app_info[3] = 6 + RspFrm.operand[pos + 4];
755 app_info[4] = 0x01;
756 memcpy(&app_info[5], &RspFrm.operand[pos], 5 + RspFrm.operand[pos + 4]);
757 *len = app_info[3] + 4;
758
759 return 0;
760}
761
762int avc_ca_info(struct firedtv *fdtv, char *app_info, unsigned int *len)
763{
764 AVCCmdFrm CmdFrm;
765 AVCRspFrm RspFrm;
766 int pos;
767
768 memset(&CmdFrm, 0, sizeof(AVCCmdFrm));
769 CmdFrm.cts = AVC;
770 CmdFrm.ctype = STATUS;
771 CmdFrm.sutyp = 0x5;
772 CmdFrm.suid = fdtv->subunit;
773 CmdFrm.opcode = VENDOR;
774
775 CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0;
776 CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1;
777 CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2;
778 CmdFrm.operand[3]=SFE_VENDOR_OPCODE_CA2HOST;
779 CmdFrm.operand[4] = 0; // slot
780 CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; // ca tag
781 CmdFrm.length = 12;
782
783 if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0)
784 return -EIO;
785
786 pos = get_ca_object_pos(&RspFrm);
787 app_info[0] = (TAG_CA_INFO >> 16) & 0xFF;
788 app_info[1] = (TAG_CA_INFO >> 8) & 0xFF;
789 app_info[2] = (TAG_CA_INFO >> 0) & 0xFF;
790 app_info[3] = 2;
791 app_info[4] = RspFrm.operand[pos + 0];
792 app_info[5] = RspFrm.operand[pos + 1];
793 *len = app_info[3] + 4;
794
795 return 0;
796}
797
798int avc_ca_reset(struct firedtv *fdtv)
799{
800 AVCCmdFrm CmdFrm;
801 AVCRspFrm RspFrm;
802
803 memset(&CmdFrm, 0, sizeof(AVCCmdFrm));
804 CmdFrm.cts = AVC;
805 CmdFrm.ctype = CONTROL;
806 CmdFrm.sutyp = 0x5;
807 CmdFrm.suid = fdtv->subunit;
808 CmdFrm.opcode = VENDOR;
809
810 CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0;
811 CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1;
812 CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2;
813 CmdFrm.operand[3]=SFE_VENDOR_OPCODE_HOST2CA;
814 CmdFrm.operand[4] = 0; // slot
815 CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_RESET; // ca tag
816 CmdFrm.operand[6] = 0; // more/last
817 CmdFrm.operand[7] = 1; // length
818 CmdFrm.operand[8] = 0; // force hardware reset
819 CmdFrm.length = 12;
820
821 if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0)
822 return -EIO;
823
824 return 0;
825}
826
827int avc_ca_pmt(struct firedtv *fdtv, char *msg, int length)
828{
829 AVCCmdFrm CmdFrm;
830 AVCRspFrm RspFrm;
831 int list_management;
832 int program_info_length;
833 int pmt_cmd_id;
834 int read_pos;
835 int write_pos;
836 int es_info_length;
837 int crc32_csum;
838
839 memset(&CmdFrm, 0, sizeof(AVCCmdFrm));
840 CmdFrm.cts = AVC;
841 CmdFrm.ctype = CONTROL;
842 CmdFrm.sutyp = 0x5;
843 CmdFrm.suid = fdtv->subunit;
844 CmdFrm.opcode = VENDOR;
845
846 if (msg[0] != LIST_MANAGEMENT_ONLY) {
847 dev_info(&fdtv->ud->device,
848 "forcing list_management to ONLY\n");
849 msg[0] = LIST_MANAGEMENT_ONLY;
850 }
851 // We take the cmd_id from the programme level only!
852 list_management = msg[0];
853 program_info_length = ((msg[4] & 0x0F) << 8) + msg[5];
854 if (program_info_length > 0)
855 program_info_length--; // Remove pmt_cmd_id
856 pmt_cmd_id = msg[6];
857
858 CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0;
859 CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1;
860 CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2;
861 CmdFrm.operand[3]=SFE_VENDOR_OPCODE_HOST2CA;
862 CmdFrm.operand[4] = 0; // slot
863 CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_PMT; // ca tag
864 CmdFrm.operand[6] = 0; // more/last
865 //CmdFrm.operand[7] = XXXprogram_info_length + 17; // length
866 CmdFrm.operand[8] = list_management;
867 CmdFrm.operand[9] = 0x01; // pmt_cmd=OK_descramble
868
869 // TS program map table
870
871 // Table id=2
872 CmdFrm.operand[10] = 0x02;
873 // Section syntax + length
874 CmdFrm.operand[11] = 0x80;
875 //CmdFrm.operand[12] = XXXprogram_info_length + 12;
876 // Program number
877 CmdFrm.operand[13] = msg[1];
878 CmdFrm.operand[14] = msg[2];
879 // Version number=0 + current/next=1
880 CmdFrm.operand[15] = 0x01;
881 // Section number=0
882 CmdFrm.operand[16] = 0x00;
883 // Last section number=0
884 CmdFrm.operand[17] = 0x00;
885 // PCR_PID=1FFF
886 CmdFrm.operand[18] = 0x1F;
887 CmdFrm.operand[19] = 0xFF;
888 // Program info length
889 CmdFrm.operand[20] = (program_info_length >> 8);
890 CmdFrm.operand[21] = (program_info_length & 0xFF);
891 // CA descriptors at programme level
892 read_pos = 6;
893 write_pos = 22;
894 if (program_info_length > 0) {
895 pmt_cmd_id = msg[read_pos++];
896 if (pmt_cmd_id != 1 && pmt_cmd_id != 4)
897 dev_err(&fdtv->ud->device,
898 "invalid pmt_cmd_id %d\n", pmt_cmd_id);
899
900 memcpy(&CmdFrm.operand[write_pos], &msg[read_pos],
901 program_info_length);
902 read_pos += program_info_length;
903 write_pos += program_info_length;
904 }
905 while (read_pos < length) {
906 CmdFrm.operand[write_pos++] = msg[read_pos++];
907 CmdFrm.operand[write_pos++] = msg[read_pos++];
908 CmdFrm.operand[write_pos++] = msg[read_pos++];
909 es_info_length =
910 ((msg[read_pos] & 0x0F) << 8) + msg[read_pos + 1];
911 read_pos += 2;
912 if (es_info_length > 0)
913 es_info_length--; // Remove pmt_cmd_id
914 CmdFrm.operand[write_pos++] = es_info_length >> 8;
915 CmdFrm.operand[write_pos++] = es_info_length & 0xFF;
916 if (es_info_length > 0) {
917 pmt_cmd_id = msg[read_pos++];
918 if (pmt_cmd_id != 1 && pmt_cmd_id != 4)
919 dev_err(&fdtv->ud->device,
920 "invalid pmt_cmd_id %d "
921 "at stream level\n", pmt_cmd_id);
922
923 memcpy(&CmdFrm.operand[write_pos], &msg[read_pos],
924 es_info_length);
925 read_pos += es_info_length;
926 write_pos += es_info_length;
927 }
928 }
929
930 // CRC
931 CmdFrm.operand[write_pos++] = 0x00;
932 CmdFrm.operand[write_pos++] = 0x00;
933 CmdFrm.operand[write_pos++] = 0x00;
934 CmdFrm.operand[write_pos++] = 0x00;
935
936 CmdFrm.operand[7] = write_pos - 8;
937 CmdFrm.operand[12] = write_pos - 13;
938
939 crc32_csum = crc32_be(0, &CmdFrm.operand[10],
940 CmdFrm.operand[12] - 1);
941 CmdFrm.operand[write_pos - 4] = (crc32_csum >> 24) & 0xFF;
942 CmdFrm.operand[write_pos - 3] = (crc32_csum >> 16) & 0xFF;
943 CmdFrm.operand[write_pos - 2] = (crc32_csum >> 8) & 0xFF;
944 CmdFrm.operand[write_pos - 1] = (crc32_csum >> 0) & 0xFF;
945
946 CmdFrm.length = ALIGN(3 + write_pos, 4);
947
948 if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0)
949 return -EIO;
950
951 if (RspFrm.resp != ACCEPTED) {
952 dev_err(&fdtv->ud->device,
953 "CA PMT failed with response 0x%x\n", RspFrm.resp);
954 return -EFAULT;
955 }
956
957 return 0;
958}
959
960int avc_ca_get_time_date(struct firedtv *fdtv, int *interval)
961{
962 AVCCmdFrm CmdFrm;
963 AVCRspFrm RspFrm;
964
965 memset(&CmdFrm, 0, sizeof(AVCCmdFrm));
966 CmdFrm.cts = AVC;
967 CmdFrm.ctype = STATUS;
968 CmdFrm.sutyp = 0x5;
969 CmdFrm.suid = fdtv->subunit;
970 CmdFrm.opcode = VENDOR;
971
972 CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0;
973 CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1;
974 CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2;
975 CmdFrm.operand[3]=SFE_VENDOR_OPCODE_CA2HOST;
976 CmdFrm.operand[4] = 0; // slot
977 CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_DATE_TIME; // ca tag
978 CmdFrm.operand[6] = 0; // more/last
979 CmdFrm.operand[7] = 0; // length
980 CmdFrm.length = 12;
981
982 if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0)
983 return -EIO;
984
985 /* FIXME: check response code and validate response data */
986
987 *interval = RspFrm.operand[get_ca_object_pos(&RspFrm)];
988
989 return 0;
990}
991
992int avc_ca_enter_menu(struct firedtv *fdtv)
993{
994 AVCCmdFrm CmdFrm;
995 AVCRspFrm RspFrm;
996
997 memset(&CmdFrm, 0, sizeof(AVCCmdFrm));
998 CmdFrm.cts = AVC;
999 CmdFrm.ctype = STATUS;
1000 CmdFrm.sutyp = 0x5;
1001 CmdFrm.suid = fdtv->subunit;
1002 CmdFrm.opcode = VENDOR;
1003
1004 CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0;
1005 CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1;
1006 CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2;
1007 CmdFrm.operand[3]=SFE_VENDOR_OPCODE_HOST2CA;
1008 CmdFrm.operand[4] = 0; // slot
1009 CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_ENTER_MENU;
1010 CmdFrm.operand[6] = 0; // more/last
1011 CmdFrm.operand[7] = 0; // length
1012 CmdFrm.length = 12;
1013
1014 if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0)
1015 return -EIO;
1016
1017 return 0;
1018}
1019
1020int avc_ca_get_mmi(struct firedtv *fdtv, char *mmi_object, unsigned int *len)
1021{
1022 AVCCmdFrm CmdFrm;
1023 AVCRspFrm RspFrm;
1024
1025 memset(&CmdFrm, 0, sizeof(AVCCmdFrm));
1026 CmdFrm.cts = AVC;
1027 CmdFrm.ctype = STATUS;
1028 CmdFrm.sutyp = 0x5;
1029 CmdFrm.suid = fdtv->subunit;
1030 CmdFrm.opcode = VENDOR;
1031
1032 CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0;
1033 CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1;
1034 CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2;
1035 CmdFrm.operand[3]=SFE_VENDOR_OPCODE_CA2HOST;
1036 CmdFrm.operand[4] = 0; // slot
1037 CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_MMI;
1038 CmdFrm.operand[6] = 0; // more/last
1039 CmdFrm.operand[7] = 0; // length
1040 CmdFrm.length = 12;
1041
1042 if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0)
1043 return -EIO;
1044
1045 /* FIXME: check response code and validate response data */
1046
1047 *len = get_ca_object_length(&RspFrm);
1048 memcpy(mmi_object, &RspFrm.operand[get_ca_object_pos(&RspFrm)], *len);
1049
1050 return 0;
1051}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-23 10:31:43 -0500