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sched: Remove double_rq_lock() from __migrate_task()
[linux/fpc-iii.git] / drivers / media / firewire / firedtv-avc.c
blobd1a1a1324ef87018e030ba0aa149de3c79856085
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/jiffies.h>
19 #include <linux/kernel.h>
20 #include <linux/moduleparam.h>
21 #include <linux/mutex.h>
22 #include <linux/string.h>
23 #include <linux/stringify.h>
24 #include <linux/wait.h>
25 #include <linux/workqueue.h>
26
27 #include <dvb_frontend.h>
28
29 #include "firedtv.h"
30
31 #define FCP_COMMAND_REGISTER 0xfffff0000b00ULL
32
33 #define AVC_CTYPE_CONTROL 0x0
34 #define AVC_CTYPE_STATUS 0x1
35 #define AVC_CTYPE_NOTIFY 0x3
36
37 #define AVC_RESPONSE_ACCEPTED 0x9
38 #define AVC_RESPONSE_STABLE 0xc
39 #define AVC_RESPONSE_CHANGED 0xd
40 #define AVC_RESPONSE_INTERIM 0xf
41
42 #define AVC_SUBUNIT_TYPE_TUNER (0x05 << 3)
43 #define AVC_SUBUNIT_TYPE_UNIT (0x1f << 3)
44
45 #define AVC_OPCODE_VENDOR 0x00
46 #define AVC_OPCODE_READ_DESCRIPTOR 0x09
47 #define AVC_OPCODE_DSIT 0xc8
48 #define AVC_OPCODE_DSD 0xcb
49
50 #define DESCRIPTOR_TUNER_STATUS 0x80
51 #define DESCRIPTOR_SUBUNIT_IDENTIFIER 0x00
52
53 #define SFE_VENDOR_DE_COMPANYID_0 0x00 /* OUI of Digital Everywhere */
54 #define SFE_VENDOR_DE_COMPANYID_1 0x12
55 #define SFE_VENDOR_DE_COMPANYID_2 0x87
56
57 #define SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL 0x0a
58 #define SFE_VENDOR_OPCODE_LNB_CONTROL 0x52
59 #define SFE_VENDOR_OPCODE_TUNE_QPSK 0x58 /* for DVB-S */
60
61 #define SFE_VENDOR_OPCODE_GET_FIRMWARE_VERSION 0x00
62 #define SFE_VENDOR_OPCODE_HOST2CA 0x56
63 #define SFE_VENDOR_OPCODE_CA2HOST 0x57
64 #define SFE_VENDOR_OPCODE_CISTATUS 0x59
65 #define SFE_VENDOR_OPCODE_TUNE_QPSK2 0x60 /* for DVB-S2 */
66
67 #define SFE_VENDOR_TAG_CA_RESET 0x00
68 #define SFE_VENDOR_TAG_CA_APPLICATION_INFO 0x01
69 #define SFE_VENDOR_TAG_CA_PMT 0x02
70 #define SFE_VENDOR_TAG_CA_DATE_TIME 0x04
71 #define SFE_VENDOR_TAG_CA_MMI 0x05
72 #define SFE_VENDOR_TAG_CA_ENTER_MENU 0x07
73
74 #define EN50221_LIST_MANAGEMENT_ONLY 0x03
75 #define EN50221_TAG_APP_INFO 0x9f8021
76 #define EN50221_TAG_CA_INFO 0x9f8031
77
78 struct avc_command_frame {
79 u8 ctype;
80 u8 subunit;
81 u8 opcode;
82 u8 operand[509];
83 };
84
85 struct avc_response_frame {
86 u8 response;
87 u8 subunit;
88 u8 opcode;
89 u8 operand[509];
90 };
91
92 #define LAST_OPERAND (509 - 1)
93
94 static inline void clear_operands(struct avc_command_frame *c, int from, int to)
95 {
96 memset(&c->operand[from], 0, to - from + 1);
97 }
98
99 static void pad_operands(struct avc_command_frame *c, int from)
100 {
101 int to = ALIGN(from, 4);
102
103 if (from <= to && to <= LAST_OPERAND)
104 clear_operands(c, from, to);
105 }
106
107 #define AVC_DEBUG_READ_DESCRIPTOR 0x0001
108 #define AVC_DEBUG_DSIT 0x0002
109 #define AVC_DEBUG_DSD 0x0004
110 #define AVC_DEBUG_REGISTER_REMOTE_CONTROL 0x0008
111 #define AVC_DEBUG_LNB_CONTROL 0x0010
112 #define AVC_DEBUG_TUNE_QPSK 0x0020
113 #define AVC_DEBUG_TUNE_QPSK2 0x0040
114 #define AVC_DEBUG_HOST2CA 0x0080
115 #define AVC_DEBUG_CA2HOST 0x0100
116 #define AVC_DEBUG_APPLICATION_PMT 0x4000
117 #define AVC_DEBUG_FCP_PAYLOADS 0x8000
118
119 static int avc_debug;
120 module_param_named(debug, avc_debug, int, 0644);
121 MODULE_PARM_DESC(debug, "Verbose logging (none = 0"
122 ", FCP subactions"
123 ": READ DESCRIPTOR = " __stringify(AVC_DEBUG_READ_DESCRIPTOR)
124 ", DSIT = " __stringify(AVC_DEBUG_DSIT)
125 ", REGISTER_REMOTE_CONTROL = " __stringify(AVC_DEBUG_REGISTER_REMOTE_CONTROL)
126 ", LNB CONTROL = " __stringify(AVC_DEBUG_LNB_CONTROL)
127 ", TUNE QPSK = " __stringify(AVC_DEBUG_TUNE_QPSK)
128 ", TUNE QPSK2 = " __stringify(AVC_DEBUG_TUNE_QPSK2)
129 ", HOST2CA = " __stringify(AVC_DEBUG_HOST2CA)
130 ", CA2HOST = " __stringify(AVC_DEBUG_CA2HOST)
131 "; Application sent PMT = " __stringify(AVC_DEBUG_APPLICATION_PMT)
132 ", FCP payloads = " __stringify(AVC_DEBUG_FCP_PAYLOADS)
133 ", or a combination, or all = -1)");
134
135 /*
136 * This is a workaround since there is no vendor specific command to retrieve
137 * ca_info using AVC. If this parameter is not used, ca_system_id will be
138 * filled with application_manufacturer from ca_app_info.
139 * Digital Everywhere have said that adding ca_info is on their TODO list.
140 */
141 static unsigned int num_fake_ca_system_ids;
142 static int fake_ca_system_ids[4] = { -1, -1, -1, -1 };
143 module_param_array(fake_ca_system_ids, int, &num_fake_ca_system_ids, 0644);
144 MODULE_PARM_DESC(fake_ca_system_ids, "If your CAM application manufacturer "
145 "does not have the same ca_system_id as your CAS, you can "
146 "override what ca_system_ids are presented to the "
147 "application by setting this field to an array of ids.");
148
149 static const char *debug_fcp_ctype(unsigned int ctype)
150 {
151 static const char *ctypes[] = {
152 [0x0] = "CONTROL", [0x1] = "STATUS",
153 [0x2] = "SPECIFIC INQUIRY", [0x3] = "NOTIFY",
154 [0x4] = "GENERAL INQUIRY", [0x8] = "NOT IMPLEMENTED",
155 [0x9] = "ACCEPTED", [0xa] = "REJECTED",
156 [0xb] = "IN TRANSITION", [0xc] = "IMPLEMENTED/STABLE",
157 [0xd] = "CHANGED", [0xf] = "INTERIM",
158 };
159 const char *ret = ctype < ARRAY_SIZE(ctypes) ? ctypes[ctype] : NULL;
160
161 return ret ? ret : "?";
162 }
163
164 static const char *debug_fcp_opcode(unsigned int opcode,
165 const u8 *data, int length)
166 {
167 switch (opcode) {
168 case AVC_OPCODE_VENDOR:
169 break;
170 case AVC_OPCODE_READ_DESCRIPTOR:
171 return avc_debug & AVC_DEBUG_READ_DESCRIPTOR ?
172 "ReadDescriptor" : NULL;
173 case AVC_OPCODE_DSIT:
174 return avc_debug & AVC_DEBUG_DSIT ?
175 "DirectSelectInfo.Type" : NULL;
176 case AVC_OPCODE_DSD:
177 return avc_debug & AVC_DEBUG_DSD ? "DirectSelectData" : NULL;
178 default:
179 return "Unknown";
180 }
181
182 if (length < 7 ||
183 data[3] != SFE_VENDOR_DE_COMPANYID_0 ||
184 data[4] != SFE_VENDOR_DE_COMPANYID_1 ||
185 data[5] != SFE_VENDOR_DE_COMPANYID_2)
186 return "Vendor/Unknown";
187
188 switch (data[6]) {
189 case SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL:
190 return avc_debug & AVC_DEBUG_REGISTER_REMOTE_CONTROL ?
191 "RegisterRC" : NULL;
192 case SFE_VENDOR_OPCODE_LNB_CONTROL:
193 return avc_debug & AVC_DEBUG_LNB_CONTROL ? "LNBControl" : NULL;
194 case SFE_VENDOR_OPCODE_TUNE_QPSK:
195 return avc_debug & AVC_DEBUG_TUNE_QPSK ? "TuneQPSK" : NULL;
196 case SFE_VENDOR_OPCODE_TUNE_QPSK2:
197 return avc_debug & AVC_DEBUG_TUNE_QPSK2 ? "TuneQPSK2" : NULL;
198 case SFE_VENDOR_OPCODE_HOST2CA:
199 return avc_debug & AVC_DEBUG_HOST2CA ? "Host2CA" : NULL;
200 case SFE_VENDOR_OPCODE_CA2HOST:
201 return avc_debug & AVC_DEBUG_CA2HOST ? "CA2Host" : NULL;
202 }
203 return "Vendor/Unknown";
204 }
205
206 static void debug_fcp(const u8 *data, int length)
207 {
208 unsigned int subunit_type, subunit_id, opcode;
209 const char *op, *prefix;
210
211 prefix = data[0] > 7 ? "FCP <- " : "FCP -> ";
212 subunit_type = data[1] >> 3;
213 subunit_id = data[1] & 7;
214 opcode = subunit_type == 0x1e || subunit_id == 5 ? ~0 : data[2];
215 op = debug_fcp_opcode(opcode, data, length);
216
217 if (op) {
218 printk(KERN_INFO "%ssu=%x.%x l=%d: %-8s - %s\n",
219 prefix, subunit_type, subunit_id, length,
220 debug_fcp_ctype(data[0]), op);
221 if (avc_debug & AVC_DEBUG_FCP_PAYLOADS)
222 print_hex_dump(KERN_INFO, prefix, DUMP_PREFIX_NONE,
223 16, 1, data, length, false);
224 }
225 }
226
227 static void debug_pmt(char *msg, int length)
228 {
229 printk(KERN_INFO "APP PMT -> l=%d\n", length);
230 print_hex_dump(KERN_INFO, "APP PMT -> ", DUMP_PREFIX_NONE,
231 16, 1, msg, length, false);
232 }
233
234 static int avc_write(struct firedtv *fdtv)
235 {
236 int err, retry;
237
238 fdtv->avc_reply_received = false;
239
240 for (retry = 0; retry < 6; retry++) {
241 if (unlikely(avc_debug))
242 debug_fcp(fdtv->avc_data, fdtv->avc_data_length);
243
244 err = fdtv_write(fdtv, FCP_COMMAND_REGISTER,
245 fdtv->avc_data, fdtv->avc_data_length);
246 if (err) {
247 dev_err(fdtv->device, "FCP command write failed\n");
248
249 return err;
250 }
251
252 /*
253 * AV/C specs say that answers should be sent within 150 ms.
254 * Time out after 200 ms.
255 */
256 if (wait_event_timeout(fdtv->avc_wait,
257 fdtv->avc_reply_received,
258 msecs_to_jiffies(200)) != 0)
259 return 0;
260 }
261 dev_err(fdtv->device, "FCP response timed out\n");
262
263 return -ETIMEDOUT;
264 }
265
266 static bool is_register_rc(struct avc_response_frame *r)
267 {
268 return r->opcode == AVC_OPCODE_VENDOR &&
269 r->operand[0] == SFE_VENDOR_DE_COMPANYID_0 &&
270 r->operand[1] == SFE_VENDOR_DE_COMPANYID_1 &&
271 r->operand[2] == SFE_VENDOR_DE_COMPANYID_2 &&
272 r->operand[3] == SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL;
273 }
274
275 int avc_recv(struct firedtv *fdtv, void *data, size_t length)
276 {
277 struct avc_response_frame *r = data;
278
279 if (unlikely(avc_debug))
280 debug_fcp(data, length);
281
282 if (length >= 8 && is_register_rc(r)) {
283 switch (r->response) {
284 case AVC_RESPONSE_CHANGED:
285 fdtv_handle_rc(fdtv, r->operand[4] << 8 | r->operand[5]);
286 schedule_work(&fdtv->remote_ctrl_work);
287 break;
288 case AVC_RESPONSE_INTERIM:
289 if (is_register_rc((void *)fdtv->avc_data))
290 goto wake;
291 break;
292 default:
293 dev_info(fdtv->device,
294 "remote control result = %d\n", r->response);
295 }
296 return 0;
297 }
298
299 if (fdtv->avc_reply_received) {
300 dev_err(fdtv->device, "out-of-order AVC response, ignored\n");
301 return -EIO;
302 }
303
304 memcpy(fdtv->avc_data, data, length);
305 fdtv->avc_data_length = length;
306 wake:
307 fdtv->avc_reply_received = true;
308 wake_up(&fdtv->avc_wait);
309
310 return 0;
311 }
312
313 static int add_pid_filter(struct firedtv *fdtv, u8 *operand)
314 {
315 int i, n, pos = 1;
316
317 for (i = 0, n = 0; i < 16; i++) {
318 if (test_bit(i, &fdtv->channel_active)) {
319 operand[pos++] = 0x13; /* flowfunction relay */
320 operand[pos++] = 0x80; /* dsd_sel_spec_valid_flags -> PID */
321 operand[pos++] = (fdtv->channel_pid[i] >> 8) & 0x1f;
322 operand[pos++] = fdtv->channel_pid[i] & 0xff;
323 operand[pos++] = 0x00; /* tableID */
324 operand[pos++] = 0x00; /* filter_length */
325 n++;
326 }
327 }
328 operand[0] = n;
329
330 return pos;
331 }
332
333 /*
334 * tuning command for setting the relative LNB frequency
335 * (not supported by the AVC standard)
336 */
337 static int avc_tuner_tuneqpsk(struct firedtv *fdtv,
338 struct dtv_frontend_properties *p)
339 {
340 struct avc_command_frame *c = (void *)fdtv->avc_data;
341
342 c->opcode = AVC_OPCODE_VENDOR;
343
344 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0;
345 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1;
346 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2;
347 if (fdtv->type == FIREDTV_DVB_S2)
348 c->operand[3] = SFE_VENDOR_OPCODE_TUNE_QPSK2;
349 else
350 c->operand[3] = SFE_VENDOR_OPCODE_TUNE_QPSK;
351
352 c->operand[4] = (p->frequency >> 24) & 0xff;
353 c->operand[5] = (p->frequency >> 16) & 0xff;
354 c->operand[6] = (p->frequency >> 8) & 0xff;
355 c->operand[7] = p->frequency & 0xff;
356
357 c->operand[8] = ((p->symbol_rate / 1000) >> 8) & 0xff;
358 c->operand[9] = (p->symbol_rate / 1000) & 0xff;
359
360 switch (p->fec_inner) {
361 case FEC_1_2: c->operand[10] = 0x1; break;
362 case FEC_2_3: c->operand[10] = 0x2; break;
363 case FEC_3_4: c->operand[10] = 0x3; break;
364 case FEC_5_6: c->operand[10] = 0x4; break;
365 case FEC_7_8: c->operand[10] = 0x5; break;
366 case FEC_4_5:
367 case FEC_8_9:
368 case FEC_AUTO:
369 default: c->operand[10] = 0x0;
370 }
371
372 if (fdtv->voltage == 0xff)
373 c->operand[11] = 0xff;
374 else if (fdtv->voltage == SEC_VOLTAGE_18) /* polarisation */
375 c->operand[11] = 0;
376 else
377 c->operand[11] = 1;
378
379 if (fdtv->tone == 0xff)
380 c->operand[12] = 0xff;
381 else if (fdtv->tone == SEC_TONE_ON) /* band */
382 c->operand[12] = 1;
383 else
384 c->operand[12] = 0;
385
386 if (fdtv->type == FIREDTV_DVB_S2) {
387 if (fdtv->fe.dtv_property_cache.delivery_system == SYS_DVBS2) {
388 switch (fdtv->fe.dtv_property_cache.modulation) {
389 case QAM_16: c->operand[13] = 0x1; break;
390 case QPSK: c->operand[13] = 0x2; break;
391 case PSK_8: c->operand[13] = 0x3; break;
392 default: c->operand[13] = 0x2; break;
393 }
394 switch (fdtv->fe.dtv_property_cache.rolloff) {
395 case ROLLOFF_35: c->operand[14] = 0x2; break;
396 case ROLLOFF_20: c->operand[14] = 0x0; break;
397 case ROLLOFF_25: c->operand[14] = 0x1; break;
398 case ROLLOFF_AUTO:
399 default: c->operand[14] = 0x2; break;
400 /* case ROLLOFF_NONE: c->operand[14] = 0xff; break; */
401 }
402 switch (fdtv->fe.dtv_property_cache.pilot) {
403 case PILOT_AUTO: c->operand[15] = 0x0; break;
404 case PILOT_OFF: c->operand[15] = 0x0; break;
405 case PILOT_ON: c->operand[15] = 0x1; break;
406 }
407 } else {
408 c->operand[13] = 0x1; /* auto modulation */
409 c->operand[14] = 0xff; /* disable rolloff */
410 c->operand[15] = 0xff; /* disable pilot */
411 }
412 return 16;
413 } else {
414 return 13;
415 }
416 }
417
418 static int avc_tuner_dsd_dvb_c(struct firedtv *fdtv,
419 struct dtv_frontend_properties *p)
420 {
421 struct avc_command_frame *c = (void *)fdtv->avc_data;
422
423 c->opcode = AVC_OPCODE_DSD;
424
425 c->operand[0] = 0; /* source plug */
426 c->operand[1] = 0xd2; /* subfunction replace */
427 c->operand[2] = 0x20; /* system id = DVB */
428 c->operand[3] = 0x00; /* antenna number */
429 c->operand[4] = 0x11; /* system_specific_multiplex selection_length */
430
431 /* multiplex_valid_flags, high byte */
432 c->operand[5] = 0 << 7 /* reserved */
433 | 0 << 6 /* Polarisation */
434 | 0 << 5 /* Orbital_Pos */
435 | 1 << 4 /* Frequency */
436 | 1 << 3 /* Symbol_Rate */
437 | 0 << 2 /* FEC_outer */
438 | (p->fec_inner != FEC_AUTO ? 1 << 1 : 0)
439 | (p->modulation != QAM_AUTO ? 1 << 0 : 0);
440
441 /* multiplex_valid_flags, low byte */
442 c->operand[6] = 0 << 7 /* NetworkID */
443 | 0 << 0 /* reserved */ ;
444
445 c->operand[7] = 0x00;
446 c->operand[8] = 0x00;
447 c->operand[9] = 0x00;
448 c->operand[10] = 0x00;
449
450 c->operand[11] = (((p->frequency / 4000) >> 16) & 0xff) | (2 << 6);
451 c->operand[12] = ((p->frequency / 4000) >> 8) & 0xff;
452 c->operand[13] = (p->frequency / 4000) & 0xff;
453 c->operand[14] = ((p->symbol_rate / 1000) >> 12) & 0xff;
454 c->operand[15] = ((p->symbol_rate / 1000) >> 4) & 0xff;
455 c->operand[16] = ((p->symbol_rate / 1000) << 4) & 0xf0;
456 c->operand[17] = 0x00;
457
458 switch (p->fec_inner) {
459 case FEC_1_2: c->operand[18] = 0x1; break;
460 case FEC_2_3: c->operand[18] = 0x2; break;
461 case FEC_3_4: c->operand[18] = 0x3; break;
462 case FEC_5_6: c->operand[18] = 0x4; break;
463 case FEC_7_8: c->operand[18] = 0x5; break;
464 case FEC_8_9: c->operand[18] = 0x6; break;
465 case FEC_4_5: c->operand[18] = 0x8; break;
466 case FEC_AUTO:
467 default: c->operand[18] = 0x0;
468 }
469
470 switch (p->modulation) {
471 case QAM_16: c->operand[19] = 0x08; break;
472 case QAM_32: c->operand[19] = 0x10; break;
473 case QAM_64: c->operand[19] = 0x18; break;
474 case QAM_128: c->operand[19] = 0x20; break;
475 case QAM_256: c->operand[19] = 0x28; break;
476 case QAM_AUTO:
477 default: c->operand[19] = 0x00;
478 }
479
480 c->operand[20] = 0x00;
481 c->operand[21] = 0x00;
482
483 return 22 + add_pid_filter(fdtv, &c->operand[22]);
484 }
485
486 static int avc_tuner_dsd_dvb_t(struct firedtv *fdtv,
487 struct dtv_frontend_properties *p)
488 {
489 struct avc_command_frame *c = (void *)fdtv->avc_data;
490
491 c->opcode = AVC_OPCODE_DSD;
492
493 c->operand[0] = 0; /* source plug */
494 c->operand[1] = 0xd2; /* subfunction replace */
495 c->operand[2] = 0x20; /* system id = DVB */
496 c->operand[3] = 0x00; /* antenna number */
497 c->operand[4] = 0x0c; /* system_specific_multiplex selection_length */
498
499 /* multiplex_valid_flags, high byte */
500 c->operand[5] =
501 0 << 7 /* reserved */
502 | 1 << 6 /* CenterFrequency */
503 | (p->bandwidth_hz != 0 ? 1 << 5 : 0)
504 | (p->modulation != QAM_AUTO ? 1 << 4 : 0)
505 | (p->hierarchy != HIERARCHY_AUTO ? 1 << 3 : 0)
506 | (p->code_rate_HP != FEC_AUTO ? 1 << 2 : 0)
507 | (p->code_rate_LP != FEC_AUTO ? 1 << 1 : 0)
508 | (p->guard_interval != GUARD_INTERVAL_AUTO ? 1 << 0 : 0);
509
510 /* multiplex_valid_flags, low byte */
511 c->operand[6] =
512 0 << 7 /* NetworkID */
513 | (p->transmission_mode != TRANSMISSION_MODE_AUTO ? 1 << 6 : 0)
514 | 0 << 5 /* OtherFrequencyFlag */
515 | 0 << 0 /* reserved */ ;
516
517 c->operand[7] = 0x0;
518 c->operand[8] = (p->frequency / 10) >> 24;
519 c->operand[9] = ((p->frequency / 10) >> 16) & 0xff;
520 c->operand[10] = ((p->frequency / 10) >> 8) & 0xff;
521 c->operand[11] = (p->frequency / 10) & 0xff;
522
523 switch (p->bandwidth_hz) {
524 case 7000000: c->operand[12] = 0x20; break;
525 case 8000000:
526 case 6000000: /* not defined by AVC spec */
527 case 0:
528 default: c->operand[12] = 0x00;
529 }
530
531 switch (p->modulation) {
532 case QAM_16: c->operand[13] = 1 << 6; break;
533 case QAM_64: c->operand[13] = 2 << 6; break;
534 case QPSK:
535 default: c->operand[13] = 0x00;
536 }
537
538 switch (p->hierarchy) {
539 case HIERARCHY_1: c->operand[13] |= 1 << 3; break;
540 case HIERARCHY_2: c->operand[13] |= 2 << 3; break;
541 case HIERARCHY_4: c->operand[13] |= 3 << 3; break;
542 case HIERARCHY_AUTO:
543 case HIERARCHY_NONE:
544 default: break;
545 }
546
547 switch (p->code_rate_HP) {
548 case FEC_2_3: c->operand[13] |= 1; break;
549 case FEC_3_4: c->operand[13] |= 2; break;
550 case FEC_5_6: c->operand[13] |= 3; break;
551 case FEC_7_8: c->operand[13] |= 4; break;
552 case FEC_1_2:
553 default: break;
554 }
555
556 switch (p->code_rate_LP) {
557 case FEC_2_3: c->operand[14] = 1 << 5; break;
558 case FEC_3_4: c->operand[14] = 2 << 5; break;
559 case FEC_5_6: c->operand[14] = 3 << 5; break;
560 case FEC_7_8: c->operand[14] = 4 << 5; break;
561 case FEC_1_2:
562 default: c->operand[14] = 0x00; break;
563 }
564
565 switch (p->guard_interval) {
566 case GUARD_INTERVAL_1_16: c->operand[14] |= 1 << 3; break;
567 case GUARD_INTERVAL_1_8: c->operand[14] |= 2 << 3; break;
568 case GUARD_INTERVAL_1_4: c->operand[14] |= 3 << 3; break;
569 case GUARD_INTERVAL_1_32:
570 case GUARD_INTERVAL_AUTO:
571 default: break;
572 }
573
574 switch (p->transmission_mode) {
575 case TRANSMISSION_MODE_8K: c->operand[14] |= 1 << 1; break;
576 case TRANSMISSION_MODE_2K:
577 case TRANSMISSION_MODE_AUTO:
578 default: break;
579 }
580
581 c->operand[15] = 0x00; /* network_ID[0] */
582 c->operand[16] = 0x00; /* network_ID[1] */
583
584 return 17 + add_pid_filter(fdtv, &c->operand[17]);
585 }
586
587 int avc_tuner_dsd(struct firedtv *fdtv,
588 struct dtv_frontend_properties *p)
589 {
590 struct avc_command_frame *c = (void *)fdtv->avc_data;
591 int pos, ret;
592
593 mutex_lock(&fdtv->avc_mutex);
594
595 c->ctype = AVC_CTYPE_CONTROL;
596 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit;
597
598 switch (fdtv->type) {
599 case FIREDTV_DVB_S:
600 case FIREDTV_DVB_S2: pos = avc_tuner_tuneqpsk(fdtv, p); break;
601 case FIREDTV_DVB_C: pos = avc_tuner_dsd_dvb_c(fdtv, p); break;
602 case FIREDTV_DVB_T: pos = avc_tuner_dsd_dvb_t(fdtv, p); break;
603 default:
604 BUG();
605 }
606 pad_operands(c, pos);
607
608 fdtv->avc_data_length = ALIGN(3 + pos, 4);
609 ret = avc_write(fdtv);
610 #if 0
611 /*
612 * FIXME:
613 * u8 *status was an out-parameter of avc_tuner_dsd, unused by caller.
614 * Check for AVC_RESPONSE_ACCEPTED here instead?
615 */
616 if (status)
617 *status = r->operand[2];
618 #endif
619 mutex_unlock(&fdtv->avc_mutex);
620
621 if (ret == 0)
622 msleep(500);
623
624 return ret;
625 }
626
627 int avc_tuner_set_pids(struct firedtv *fdtv, unsigned char pidc, u16 pid[])
628 {
629 struct avc_command_frame *c = (void *)fdtv->avc_data;
630 int ret, pos, k;
631
632 if (pidc > 16 && pidc != 0xff)
633 return -EINVAL;
634
635 mutex_lock(&fdtv->avc_mutex);
636
637 c->ctype = AVC_CTYPE_CONTROL;
638 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit;
639 c->opcode = AVC_OPCODE_DSD;
640
641 c->operand[0] = 0; /* source plug */
642 c->operand[1] = 0xd2; /* subfunction replace */
643 c->operand[2] = 0x20; /* system id = DVB */
644 c->operand[3] = 0x00; /* antenna number */
645 c->operand[4] = 0x00; /* system_specific_multiplex selection_length */
646 c->operand[5] = pidc; /* Nr_of_dsd_sel_specs */
647
648 pos = 6;
649 if (pidc != 0xff)
650 for (k = 0; k < pidc; k++) {
651 c->operand[pos++] = 0x13; /* flowfunction relay */
652 c->operand[pos++] = 0x80; /* dsd_sel_spec_valid_flags -> PID */
653 c->operand[pos++] = (pid[k] >> 8) & 0x1f;
654 c->operand[pos++] = pid[k] & 0xff;
655 c->operand[pos++] = 0x00; /* tableID */
656 c->operand[pos++] = 0x00; /* filter_length */
657 }
658 pad_operands(c, pos);
659
660 fdtv->avc_data_length = ALIGN(3 + pos, 4);
661 ret = avc_write(fdtv);
662
663 /* FIXME: check response code? */
664
665 mutex_unlock(&fdtv->avc_mutex);
666
667 if (ret == 0)
668 msleep(50);
669
670 return ret;
671 }
672
673 int avc_tuner_get_ts(struct firedtv *fdtv)
674 {
675 struct avc_command_frame *c = (void *)fdtv->avc_data;
676 int ret, sl;
677
678 mutex_lock(&fdtv->avc_mutex);
679
680 c->ctype = AVC_CTYPE_CONTROL;
681 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit;
682 c->opcode = AVC_OPCODE_DSIT;
683
684 sl = fdtv->type == FIREDTV_DVB_T ? 0x0c : 0x11;
685
686 c->operand[0] = 0; /* source plug */
687 c->operand[1] = 0xd2; /* subfunction replace */
688 c->operand[2] = 0xff; /* status */
689 c->operand[3] = 0x20; /* system id = DVB */
690 c->operand[4] = 0x00; /* antenna number */
691 c->operand[5] = 0x0; /* system_specific_search_flags */
692 c->operand[6] = sl; /* system_specific_multiplex selection_length */
693 /*
694 * operand[7]: valid_flags[0]
695 * operand[8]: valid_flags[1]
696 * operand[7 + sl]: nr_of_dsit_sel_specs (always 0)
697 */
698 clear_operands(c, 7, 24);
699
700 fdtv->avc_data_length = fdtv->type == FIREDTV_DVB_T ? 24 : 28;
701 ret = avc_write(fdtv);
702
703 /* FIXME: check response code? */
704
705 mutex_unlock(&fdtv->avc_mutex);
706
707 if (ret == 0)
708 msleep(250);
709
710 return ret;
711 }
712
713 int avc_identify_subunit(struct firedtv *fdtv)
714 {
715 struct avc_command_frame *c = (void *)fdtv->avc_data;
716 struct avc_response_frame *r = (void *)fdtv->avc_data;
717 int ret;
718
719 mutex_lock(&fdtv->avc_mutex);
720
721 c->ctype = AVC_CTYPE_CONTROL;
722 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit;
723 c->opcode = AVC_OPCODE_READ_DESCRIPTOR;
724
725 c->operand[0] = DESCRIPTOR_SUBUNIT_IDENTIFIER;
726 c->operand[1] = 0xff;
727 c->operand[2] = 0x00;
728 c->operand[3] = 0x00; /* length highbyte */
729 c->operand[4] = 0x08; /* length lowbyte */
730 c->operand[5] = 0x00; /* offset highbyte */
731 c->operand[6] = 0x0d; /* offset lowbyte */
732 clear_operands(c, 7, 8); /* padding */
733
734 fdtv->avc_data_length = 12;
735 ret = avc_write(fdtv);
736 if (ret < 0)
737 goto out;
738
739 if ((r->response != AVC_RESPONSE_STABLE &&
740 r->response != AVC_RESPONSE_ACCEPTED) ||
741 (r->operand[3] << 8) + r->operand[4] != 8) {
742 dev_err(fdtv->device, "cannot read subunit identifier\n");
743 ret = -EINVAL;
744 }
745 out:
746 mutex_unlock(&fdtv->avc_mutex);
747
748 return ret;
749 }
750
751 #define SIZEOF_ANTENNA_INPUT_INFO 22
752
753 int avc_tuner_status(struct firedtv *fdtv, struct firedtv_tuner_status *stat)
754 {
755 struct avc_command_frame *c = (void *)fdtv->avc_data;
756 struct avc_response_frame *r = (void *)fdtv->avc_data;
757 int length, ret;
758
759 mutex_lock(&fdtv->avc_mutex);
760
761 c->ctype = AVC_CTYPE_CONTROL;
762 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit;
763 c->opcode = AVC_OPCODE_READ_DESCRIPTOR;
764
765 c->operand[0] = DESCRIPTOR_TUNER_STATUS;
766 c->operand[1] = 0xff; /* read_result_status */
767 /*
768 * operand[2]: reserved
769 * operand[3]: SIZEOF_ANTENNA_INPUT_INFO >> 8
770 * operand[4]: SIZEOF_ANTENNA_INPUT_INFO & 0xff
771 */
772 clear_operands(c, 2, 31);
773
774 fdtv->avc_data_length = 12;
775 ret = avc_write(fdtv);
776 if (ret < 0)
777 goto out;
778
779 if (r->response != AVC_RESPONSE_STABLE &&
780 r->response != AVC_RESPONSE_ACCEPTED) {
781 dev_err(fdtv->device, "cannot read tuner status\n");
782 ret = -EINVAL;
783 goto out;
784 }
785
786 length = r->operand[9];
787 if (r->operand[1] != 0x10 || length != SIZEOF_ANTENNA_INPUT_INFO) {
788 dev_err(fdtv->device, "got invalid tuner status\n");
789 ret = -EINVAL;
790 goto out;
791 }
792
793 stat->active_system = r->operand[10];
794 stat->searching = r->operand[11] >> 7 & 1;
795 stat->moving = r->operand[11] >> 6 & 1;
796 stat->no_rf = r->operand[11] >> 5 & 1;
797 stat->input = r->operand[12] >> 7 & 1;
798 stat->selected_antenna = r->operand[12] & 0x7f;
799 stat->ber = r->operand[13] << 24 |
800 r->operand[14] << 16 |
801 r->operand[15] << 8 |
802 r->operand[16];
803 stat->signal_strength = r->operand[17];
804 stat->raster_frequency = r->operand[18] >> 6 & 2;
805 stat->rf_frequency = (r->operand[18] & 0x3f) << 16 |
806 r->operand[19] << 8 |
807 r->operand[20];
808 stat->man_dep_info_length = r->operand[21];
809 stat->front_end_error = r->operand[22] >> 4 & 1;
810 stat->antenna_error = r->operand[22] >> 3 & 1;
811 stat->front_end_power_status = r->operand[22] >> 1 & 1;
812 stat->power_supply = r->operand[22] & 1;
813 stat->carrier_noise_ratio = r->operand[23] << 8 |
814 r->operand[24];
815 stat->power_supply_voltage = r->operand[27];
816 stat->antenna_voltage = r->operand[28];
817 stat->firewire_bus_voltage = r->operand[29];
818 stat->ca_mmi = r->operand[30] & 1;
819 stat->ca_pmt_reply = r->operand[31] >> 7 & 1;
820 stat->ca_date_time_request = r->operand[31] >> 6 & 1;
821 stat->ca_application_info = r->operand[31] >> 5 & 1;
822 stat->ca_module_present_status = r->operand[31] >> 4 & 1;
823 stat->ca_dvb_flag = r->operand[31] >> 3 & 1;
824 stat->ca_error_flag = r->operand[31] >> 2 & 1;
825 stat->ca_initialization_status = r->operand[31] >> 1 & 1;
826 out:
827 mutex_unlock(&fdtv->avc_mutex);
828
829 return ret;
830 }
831
832 int avc_lnb_control(struct firedtv *fdtv, char voltage, char burst,
833 char conttone, char nrdiseq,
834 struct dvb_diseqc_master_cmd *diseqcmd)
835 {
836 struct avc_command_frame *c = (void *)fdtv->avc_data;
837 struct avc_response_frame *r = (void *)fdtv->avc_data;
838 int pos, j, k, ret;
839
840 mutex_lock(&fdtv->avc_mutex);
841
842 c->ctype = AVC_CTYPE_CONTROL;
843 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit;
844 c->opcode = AVC_OPCODE_VENDOR;
845
846 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0;
847 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1;
848 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2;
849 c->operand[3] = SFE_VENDOR_OPCODE_LNB_CONTROL;
850 c->operand[4] = voltage;
851 c->operand[5] = nrdiseq;
852
853 pos = 6;
854 for (j = 0; j < nrdiseq; j++) {
855 c->operand[pos++] = diseqcmd[j].msg_len;
856
857 for (k = 0; k < diseqcmd[j].msg_len; k++)
858 c->operand[pos++] = diseqcmd[j].msg[k];
859 }
860 c->operand[pos++] = burst;
861 c->operand[pos++] = conttone;
862 pad_operands(c, pos);
863
864 fdtv->avc_data_length = ALIGN(3 + pos, 4);
865 ret = avc_write(fdtv);
866 if (ret < 0)
867 goto out;
868
869 if (r->response != AVC_RESPONSE_ACCEPTED) {
870 dev_err(fdtv->device, "LNB control failed\n");
871 ret = -EINVAL;
872 }
873 out:
874 mutex_unlock(&fdtv->avc_mutex);
875
876 return ret;
877 }
878
879 int avc_register_remote_control(struct firedtv *fdtv)
880 {
881 struct avc_command_frame *c = (void *)fdtv->avc_data;
882 int ret;
883
884 mutex_lock(&fdtv->avc_mutex);
885
886 c->ctype = AVC_CTYPE_NOTIFY;
887 c->subunit = AVC_SUBUNIT_TYPE_UNIT | 7;
888 c->opcode = AVC_OPCODE_VENDOR;
889
890 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0;
891 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1;
892 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2;
893 c->operand[3] = SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL;
894 c->operand[4] = 0; /* padding */
895
896 fdtv->avc_data_length = 8;
897 ret = avc_write(fdtv);
898
899 /* FIXME: check response code? */
900
901 mutex_unlock(&fdtv->avc_mutex);
902
903 return ret;
904 }
905
906 void avc_remote_ctrl_work(struct work_struct *work)
907 {
908 struct firedtv *fdtv =
909 container_of(work, struct firedtv, remote_ctrl_work);
910
911 /* Should it be rescheduled in failure cases? */
912 avc_register_remote_control(fdtv);
913 }
914
915 #if 0 /* FIXME: unused */
916 int avc_tuner_host2ca(struct firedtv *fdtv)
917 {
918 struct avc_command_frame *c = (void *)fdtv->avc_data;
919 int ret;
920
921 mutex_lock(&fdtv->avc_mutex);
922
923 c->ctype = AVC_CTYPE_CONTROL;
924 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit;
925 c->opcode = AVC_OPCODE_VENDOR;
926
927 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0;
928 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1;
929 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2;
930 c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA;
931 c->operand[4] = 0; /* slot */
932 c->operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; /* ca tag */
933 clear_operands(c, 6, 8);
934
935 fdtv->avc_data_length = 12;
936 ret = avc_write(fdtv);
937
938 /* FIXME: check response code? */
939
940 mutex_unlock(&fdtv->avc_mutex);
941
942 return ret;
943 }
944 #endif
945
946 static int get_ca_object_pos(struct avc_response_frame *r)
947 {
948 int length = 1;
949
950 /* Check length of length field */
951 if (r->operand[7] & 0x80)
952 length = (r->operand[7] & 0x7f) + 1;
953 return length + 7;
954 }
955
956 static int get_ca_object_length(struct avc_response_frame *r)
957 {
958 #if 0 /* FIXME: unused */
959 int size = 0;
960 int i;
961
962 if (r->operand[7] & 0x80)
963 for (i = 0; i < (r->operand[7] & 0x7f); i++) {
964 size <<= 8;
965 size += r->operand[8 + i];
966 }
967 #endif
968 return r->operand[7];
969 }
970
971 int avc_ca_app_info(struct firedtv *fdtv, char *app_info, unsigned int *len)
972 {
973 struct avc_command_frame *c = (void *)fdtv->avc_data;
974 struct avc_response_frame *r = (void *)fdtv->avc_data;
975 int pos, ret;
976
977 mutex_lock(&fdtv->avc_mutex);
978
979 c->ctype = AVC_CTYPE_STATUS;
980 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit;
981 c->opcode = AVC_OPCODE_VENDOR;
982
983 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0;
984 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1;
985 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2;
986 c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST;
987 c->operand[4] = 0; /* slot */
988 c->operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; /* ca tag */
989 clear_operands(c, 6, LAST_OPERAND);
990
991 fdtv->avc_data_length = 12;
992 ret = avc_write(fdtv);
993 if (ret < 0)
994 goto out;
995
996 /* FIXME: check response code and validate response data */
997
998 pos = get_ca_object_pos(r);
999 app_info[0] = (EN50221_TAG_APP_INFO >> 16) & 0xff;
1000 app_info[1] = (EN50221_TAG_APP_INFO >> 8) & 0xff;
1001 app_info[2] = (EN50221_TAG_APP_INFO >> 0) & 0xff;
1002 app_info[3] = 6 + r->operand[pos + 4];
1003 app_info[4] = 0x01;
1004 memcpy(&app_info[5], &r->operand[pos], 5 + r->operand[pos + 4]);
1005 *len = app_info[3] + 4;
1006 out:
1007 mutex_unlock(&fdtv->avc_mutex);
1008
1009 return ret;
1010 }
1011
1012 int avc_ca_info(struct firedtv *fdtv, char *app_info, unsigned int *len)
1013 {
1014 struct avc_command_frame *c = (void *)fdtv->avc_data;
1015 struct avc_response_frame *r = (void *)fdtv->avc_data;
1016 int i, pos, ret;
1017
1018 mutex_lock(&fdtv->avc_mutex);
1019
1020 c->ctype = AVC_CTYPE_STATUS;
1021 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit;
1022 c->opcode = AVC_OPCODE_VENDOR;
1023
1024 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0;
1025 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1;
1026 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2;
1027 c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST;
1028 c->operand[4] = 0; /* slot */
1029 c->operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; /* ca tag */
1030 clear_operands(c, 6, LAST_OPERAND);
1031
1032 fdtv->avc_data_length = 12;
1033 ret = avc_write(fdtv);
1034 if (ret < 0)
1035 goto out;
1036
1037 /* FIXME: check response code and validate response data */
1038
1039 pos = get_ca_object_pos(r);
1040 app_info[0] = (EN50221_TAG_CA_INFO >> 16) & 0xff;
1041 app_info[1] = (EN50221_TAG_CA_INFO >> 8) & 0xff;
1042 app_info[2] = (EN50221_TAG_CA_INFO >> 0) & 0xff;
1043 if (num_fake_ca_system_ids == 0) {
1044 app_info[3] = 2;
1045 app_info[4] = r->operand[pos + 0];
1046 app_info[5] = r->operand[pos + 1];
1047 } else {
1048 app_info[3] = num_fake_ca_system_ids * 2;
1049 for (i = 0; i < num_fake_ca_system_ids; i++) {
1050 app_info[4 + i * 2] =
1051 (fake_ca_system_ids[i] >> 8) & 0xff;
1052 app_info[5 + i * 2] = fake_ca_system_ids[i] & 0xff;
1053 }
1054 }
1055 *len = app_info[3] + 4;
1056 out:
1057 mutex_unlock(&fdtv->avc_mutex);
1058
1059 return ret;
1060 }
1061
1062 int avc_ca_reset(struct firedtv *fdtv)
1063 {
1064 struct avc_command_frame *c = (void *)fdtv->avc_data;
1065 int ret;
1066
1067 mutex_lock(&fdtv->avc_mutex);
1068
1069 c->ctype = AVC_CTYPE_CONTROL;
1070 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit;
1071 c->opcode = AVC_OPCODE_VENDOR;
1072
1073 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0;
1074 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1;
1075 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2;
1076 c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA;
1077 c->operand[4] = 0; /* slot */
1078 c->operand[5] = SFE_VENDOR_TAG_CA_RESET; /* ca tag */
1079 c->operand[6] = 0; /* more/last */
1080 c->operand[7] = 1; /* length */
1081 c->operand[8] = 0; /* force hardware reset */
1082
1083 fdtv->avc_data_length = 12;
1084 ret = avc_write(fdtv);
1085
1086 /* FIXME: check response code? */
1087
1088 mutex_unlock(&fdtv->avc_mutex);
1089
1090 return ret;
1091 }
1092
1093 int avc_ca_pmt(struct firedtv *fdtv, char *msg, int length)
1094 {
1095 struct avc_command_frame *c = (void *)fdtv->avc_data;
1096 struct avc_response_frame *r = (void *)fdtv->avc_data;
1097 int list_management;
1098 int program_info_length;
1099 int pmt_cmd_id;
1100 int read_pos;
1101 int write_pos;
1102 int es_info_length;
1103 int crc32_csum;
1104 int ret;
1105
1106 if (unlikely(avc_debug & AVC_DEBUG_APPLICATION_PMT))
1107 debug_pmt(msg, length);
1108
1109 mutex_lock(&fdtv->avc_mutex);
1110
1111 c->ctype = AVC_CTYPE_CONTROL;
1112 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit;
1113 c->opcode = AVC_OPCODE_VENDOR;
1114
1115 if (msg[0] != EN50221_LIST_MANAGEMENT_ONLY) {
1116 dev_info(fdtv->device, "forcing list_management to ONLY\n");
1117 msg[0] = EN50221_LIST_MANAGEMENT_ONLY;
1118 }
1119 /* We take the cmd_id from the programme level only! */
1120 list_management = msg[0];
1121 program_info_length = ((msg[4] & 0x0f) << 8) + msg[5];
1122 if (program_info_length > 0)
1123 program_info_length--; /* Remove pmt_cmd_id */
1124 pmt_cmd_id = msg[6];
1125
1126 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0;
1127 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1;
1128 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2;
1129 c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA;
1130 c->operand[4] = 0; /* slot */
1131 c->operand[5] = SFE_VENDOR_TAG_CA_PMT; /* ca tag */
1132 c->operand[6] = 0; /* more/last */
1133 /* Use three bytes for length field in case length > 127 */
1134 c->operand[10] = list_management;
1135 c->operand[11] = 0x01; /* pmt_cmd=OK_descramble */
1136
1137 /* TS program map table */
1138
1139 c->operand[12] = 0x02; /* Table id=2 */
1140 c->operand[13] = 0x80; /* Section syntax + length */
1141
1142 c->operand[15] = msg[1]; /* Program number */
1143 c->operand[16] = msg[2];
1144 c->operand[17] = msg[3]; /* Version number and current/next */
1145 c->operand[18] = 0x00; /* Section number=0 */
1146 c->operand[19] = 0x00; /* Last section number=0 */
1147 c->operand[20] = 0x1f; /* PCR_PID=1FFF */
1148 c->operand[21] = 0xff;
1149 c->operand[22] = (program_info_length >> 8); /* Program info length */
1150 c->operand[23] = (program_info_length & 0xff);
1151
1152 /* CA descriptors at programme level */
1153 read_pos = 6;
1154 write_pos = 24;
1155 if (program_info_length > 0) {
1156 pmt_cmd_id = msg[read_pos++];
1157 if (pmt_cmd_id != 1 && pmt_cmd_id != 4)
1158 dev_err(fdtv->device,
1159 "invalid pmt_cmd_id %d\n", pmt_cmd_id);
1160
1161 memcpy(&c->operand[write_pos], &msg[read_pos],
1162 program_info_length);
1163 read_pos += program_info_length;
1164 write_pos += program_info_length;
1165 }
1166 while (read_pos < length) {
1167 c->operand[write_pos++] = msg[read_pos++];
1168 c->operand[write_pos++] = msg[read_pos++];
1169 c->operand[write_pos++] = msg[read_pos++];
1170 es_info_length =
1171 ((msg[read_pos] & 0x0f) << 8) + msg[read_pos + 1];
1172 read_pos += 2;
1173 if (es_info_length > 0)
1174 es_info_length--; /* Remove pmt_cmd_id */
1175 c->operand[write_pos++] = es_info_length >> 8;
1176 c->operand[write_pos++] = es_info_length & 0xff;
1177 if (es_info_length > 0) {
1178 pmt_cmd_id = msg[read_pos++];
1179 if (pmt_cmd_id != 1 && pmt_cmd_id != 4)
1180 dev_err(fdtv->device, "invalid pmt_cmd_id %d "
1181 "at stream level\n", pmt_cmd_id);
1182
1183 memcpy(&c->operand[write_pos], &msg[read_pos],
1184 es_info_length);
1185 read_pos += es_info_length;
1186 write_pos += es_info_length;
1187 }
1188 }
1189 write_pos += 4; /* CRC */
1190
1191 c->operand[7] = 0x82;
1192 c->operand[8] = (write_pos - 10) >> 8;
1193 c->operand[9] = (write_pos - 10) & 0xff;
1194 c->operand[14] = write_pos - 15;
1195
1196 crc32_csum = crc32_be(0, &c->operand[10], c->operand[12] - 1);
1197 c->operand[write_pos - 4] = (crc32_csum >> 24) & 0xff;
1198 c->operand[write_pos - 3] = (crc32_csum >> 16) & 0xff;
1199 c->operand[write_pos - 2] = (crc32_csum >> 8) & 0xff;
1200 c->operand[write_pos - 1] = (crc32_csum >> 0) & 0xff;
1201 pad_operands(c, write_pos);
1202
1203 fdtv->avc_data_length = ALIGN(3 + write_pos, 4);
1204 ret = avc_write(fdtv);
1205 if (ret < 0)
1206 goto out;
1207
1208 if (r->response != AVC_RESPONSE_ACCEPTED) {
1209 dev_err(fdtv->device,
1210 "CA PMT failed with response 0x%x\n", r->response);
1211 ret = -EACCES;
1212 }
1213 out:
1214 mutex_unlock(&fdtv->avc_mutex);
1215
1216 return ret;
1217 }
1218
1219 int avc_ca_get_time_date(struct firedtv *fdtv, int *interval)
1220 {
1221 struct avc_command_frame *c = (void *)fdtv->avc_data;
1222 struct avc_response_frame *r = (void *)fdtv->avc_data;
1223 int ret;
1224
1225 mutex_lock(&fdtv->avc_mutex);
1226
1227 c->ctype = AVC_CTYPE_STATUS;
1228 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit;
1229 c->opcode = AVC_OPCODE_VENDOR;
1230
1231 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0;
1232 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1;
1233 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2;
1234 c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST;
1235 c->operand[4] = 0; /* slot */
1236 c->operand[5] = SFE_VENDOR_TAG_CA_DATE_TIME; /* ca tag */
1237 clear_operands(c, 6, LAST_OPERAND);
1238
1239 fdtv->avc_data_length = 12;
1240 ret = avc_write(fdtv);
1241 if (ret < 0)
1242 goto out;
1243
1244 /* FIXME: check response code and validate response data */
1245
1246 *interval = r->operand[get_ca_object_pos(r)];
1247 out:
1248 mutex_unlock(&fdtv->avc_mutex);
1249
1250 return ret;
1251 }
1252
1253 int avc_ca_enter_menu(struct firedtv *fdtv)
1254 {
1255 struct avc_command_frame *c = (void *)fdtv->avc_data;
1256 int ret;
1257
1258 mutex_lock(&fdtv->avc_mutex);
1259
1260 c->ctype = AVC_CTYPE_STATUS;
1261 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit;
1262 c->opcode = AVC_OPCODE_VENDOR;
1263
1264 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0;
1265 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1;
1266 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2;
1267 c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA;
1268 c->operand[4] = 0; /* slot */
1269 c->operand[5] = SFE_VENDOR_TAG_CA_ENTER_MENU;
1270 clear_operands(c, 6, 8);
1271
1272 fdtv->avc_data_length = 12;
1273 ret = avc_write(fdtv);
1274
1275 /* FIXME: check response code? */
1276
1277 mutex_unlock(&fdtv->avc_mutex);
1278
1279 return ret;
1280 }
1281
1282 int avc_ca_get_mmi(struct firedtv *fdtv, char *mmi_object, unsigned int *len)
1283 {
1284 struct avc_command_frame *c = (void *)fdtv->avc_data;
1285 struct avc_response_frame *r = (void *)fdtv->avc_data;
1286 int ret;
1287
1288 mutex_lock(&fdtv->avc_mutex);
1289
1290 c->ctype = AVC_CTYPE_STATUS;
1291 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit;
1292 c->opcode = AVC_OPCODE_VENDOR;
1293
1294 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0;
1295 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1;
1296 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2;
1297 c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST;
1298 c->operand[4] = 0; /* slot */
1299 c->operand[5] = SFE_VENDOR_TAG_CA_MMI;
1300 clear_operands(c, 6, LAST_OPERAND);
1301
1302 fdtv->avc_data_length = 12;
1303 ret = avc_write(fdtv);
1304 if (ret < 0)
1305 goto out;
1306
1307 /* FIXME: check response code and validate response data */
1308
1309 *len = get_ca_object_length(r);
1310 memcpy(mmi_object, &r->operand[get_ca_object_pos(r)], *len);
1311 out:
1312 mutex_unlock(&fdtv->avc_mutex);
1313
1314 return ret;
1315 }
1316
1317 #define CMP_OUTPUT_PLUG_CONTROL_REG_0 0xfffff0000904ULL
1318
1319 static int cmp_read(struct firedtv *fdtv, u64 addr, __be32 *data)
1320 {
1321 int ret;
1322
1323 ret = fdtv_read(fdtv, addr, data);
1324 if (ret < 0)
1325 dev_err(fdtv->device, "CMP: read I/O error\n");
1326
1327 return ret;
1328 }
1329
1330 static int cmp_lock(struct firedtv *fdtv, u64 addr, __be32 data[])
1331 {
1332 int ret;
1333
1334 ret = fdtv_lock(fdtv, addr, data);
1335 if (ret < 0)
1336 dev_err(fdtv->device, "CMP: lock I/O error\n");
1337
1338 return ret;
1339 }
1340
1341 static inline u32 get_opcr(__be32 opcr, u32 mask, u32 shift)
1342 {
1343 return (be32_to_cpu(opcr) >> shift) & mask;
1344 }
1345
1346 static inline void set_opcr(__be32 *opcr, u32 value, u32 mask, u32 shift)
1347 {
1348 *opcr &= ~cpu_to_be32(mask << shift);
1349 *opcr |= cpu_to_be32((value & mask) << shift);
1350 }
1351
1352 #define get_opcr_online(v) get_opcr((v), 0x1, 31)
1353 #define get_opcr_p2p_connections(v) get_opcr((v), 0x3f, 24)
1354 #define get_opcr_channel(v) get_opcr((v), 0x3f, 16)
1355
1356 #define set_opcr_p2p_connections(p, v) set_opcr((p), (v), 0x3f, 24)
1357 #define set_opcr_channel(p, v) set_opcr((p), (v), 0x3f, 16)
1358 #define set_opcr_data_rate(p, v) set_opcr((p), (v), 0x3, 14)
1359 #define set_opcr_overhead_id(p, v) set_opcr((p), (v), 0xf, 10)
1360
1361 int cmp_establish_pp_connection(struct firedtv *fdtv, int plug, int channel)
1362 {
1363 __be32 old_opcr, opcr[2];
1364 u64 opcr_address = CMP_OUTPUT_PLUG_CONTROL_REG_0 + (plug << 2);
1365 int attempts = 0;
1366 int ret;
1367
1368 ret = cmp_read(fdtv, opcr_address, opcr);
1369 if (ret < 0)
1370 return ret;
1371
1372 repeat:
1373 if (!get_opcr_online(*opcr)) {
1374 dev_err(fdtv->device, "CMP: output offline\n");
1375 return -EBUSY;
1376 }
1377
1378 old_opcr = *opcr;
1379
1380 if (get_opcr_p2p_connections(*opcr)) {
1381 if (get_opcr_channel(*opcr) != channel) {
1382 dev_err(fdtv->device, "CMP: cannot change channel\n");
1383 return -EBUSY;
1384 }
1385 dev_info(fdtv->device, "CMP: overlaying connection\n");
1386
1387 /* We don't allocate isochronous resources. */
1388 } else {
1389 set_opcr_channel(opcr, channel);
1390 set_opcr_data_rate(opcr, 2); /* S400 */
1391
1392 /* FIXME: this is for the worst case - optimize */
1393 set_opcr_overhead_id(opcr, 0);
1394
1395 /* FIXME: allocate isochronous channel and bandwidth at IRM */
1396 }
1397
1398 set_opcr_p2p_connections(opcr, get_opcr_p2p_connections(*opcr) + 1);
1399
1400 opcr[1] = *opcr;
1401 opcr[0] = old_opcr;
1402
1403 ret = cmp_lock(fdtv, opcr_address, opcr);
1404 if (ret < 0)
1405 return ret;
1406
1407 if (old_opcr != *opcr) {
1408 /*
1409 * FIXME: if old_opcr.P2P_Connections > 0,
1410 * deallocate isochronous channel and bandwidth at IRM
1411 */
1412
1413 if (++attempts < 6) /* arbitrary limit */
1414 goto repeat;
1415 return -EBUSY;
1416 }
1417
1418 return 0;
1419 }
1420
1421 void cmp_break_pp_connection(struct firedtv *fdtv, int plug, int channel)
1422 {
1423 __be32 old_opcr, opcr[2];
1424 u64 opcr_address = CMP_OUTPUT_PLUG_CONTROL_REG_0 + (plug << 2);
1425 int attempts = 0;
1426
1427 if (cmp_read(fdtv, opcr_address, opcr) < 0)
1428 return;
1429
1430 repeat:
1431 if (!get_opcr_online(*opcr) || !get_opcr_p2p_connections(*opcr) ||
1432 get_opcr_channel(*opcr) != channel) {
1433 dev_err(fdtv->device, "CMP: no connection to break\n");
1434 return;
1435 }
1436
1437 old_opcr = *opcr;
1438 set_opcr_p2p_connections(opcr, get_opcr_p2p_connections(*opcr) - 1);
1439
1440 opcr[1] = *opcr;
1441 opcr[0] = old_opcr;
1442
1443 if (cmp_lock(fdtv, opcr_address, opcr) < 0)
1444 return;
1445
1446 if (old_opcr != *opcr) {
1447 /*
1448 * FIXME: if old_opcr.P2P_Connections == 1, i.e. we were last
1449 * owner, deallocate isochronous channel and bandwidth at IRM
1450 * if (...)
1451 * fdtv->backend->dealloc_resources(fdtv, channel, bw);
1452 */
1453
1454 if (++attempts < 6) /* arbitrary limit */
1455 goto repeat;
1456 }
1457 }
Linux with added FPC-III support