1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * FireDTV driver (formerly known as FireSAT) 4 * 5 * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com> 6 * Copyright (C) 2008 Ben Backx <ben@bbackx.com> 7 * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se> 8 */ 9 10#include <linux/bug.h> 11#include <linux/crc32.h> 12#include <linux/delay.h> 13#include <linux/device.h> 14#include <linux/jiffies.h> 15#include <linux/kernel.h> 16#include <linux/moduleparam.h> 17#include <linux/mutex.h> 18#include <linux/string.h> 19#include <linux/stringify.h> 20#include <linux/wait.h> 21#include <linux/workqueue.h> 22 23#include <media/dvb_frontend.h> 24 25#include "firedtv.h" 26 27#define FCP_COMMAND_REGISTER 0xfffff0000b00ULL 28 29#define AVC_CTYPE_CONTROL 0x0 30#define AVC_CTYPE_STATUS 0x1 31#define AVC_CTYPE_NOTIFY 0x3 32 33#define AVC_RESPONSE_ACCEPTED 0x9 34#define AVC_RESPONSE_STABLE 0xc 35#define AVC_RESPONSE_CHANGED 0xd 36#define AVC_RESPONSE_INTERIM 0xf 37 38#define AVC_SUBUNIT_TYPE_TUNER (0x05 << 3) 39#define AVC_SUBUNIT_TYPE_UNIT (0x1f << 3) 40 41#define AVC_OPCODE_VENDOR 0x00 42#define AVC_OPCODE_READ_DESCRIPTOR 0x09 43#define AVC_OPCODE_DSIT 0xc8 44#define AVC_OPCODE_DSD 0xcb 45 46#define DESCRIPTOR_TUNER_STATUS 0x80 47#define DESCRIPTOR_SUBUNIT_IDENTIFIER 0x00 48 49#define SFE_VENDOR_DE_COMPANYID_0 0x00 /* OUI of Digital Everywhere */ 50#define SFE_VENDOR_DE_COMPANYID_1 0x12 51#define SFE_VENDOR_DE_COMPANYID_2 0x87 52 53#define SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL 0x0a 54#define SFE_VENDOR_OPCODE_LNB_CONTROL 0x52 55#define SFE_VENDOR_OPCODE_TUNE_QPSK 0x58 /* for DVB-S */ 56 57#define SFE_VENDOR_OPCODE_GET_FIRMWARE_VERSION 0x00 58#define SFE_VENDOR_OPCODE_HOST2CA 0x56 59#define SFE_VENDOR_OPCODE_CA2HOST 0x57 60#define SFE_VENDOR_OPCODE_CISTATUS 0x59 61#define SFE_VENDOR_OPCODE_TUNE_QPSK2 0x60 /* for DVB-S2 */ 62 63#define SFE_VENDOR_TAG_CA_RESET 0x00 64#define SFE_VENDOR_TAG_CA_APPLICATION_INFO 0x01 65#define SFE_VENDOR_TAG_CA_PMT 0x02 66#define SFE_VENDOR_TAG_CA_DATE_TIME 0x04 67#define SFE_VENDOR_TAG_CA_MMI 0x05 68#define SFE_VENDOR_TAG_CA_ENTER_MENU 0x07 69 70#define EN50221_LIST_MANAGEMENT_ONLY 0x03 71#define EN50221_TAG_APP_INFO 0x9f8021 72#define EN50221_TAG_CA_INFO 0x9f8031 73 74struct avc_command_frame { 75 u8 ctype; 76 u8 subunit; 77 u8 opcode; 78 u8 operand[509]; 79}; 80 81struct avc_response_frame { 82 u8 response; 83 u8 subunit; 84 u8 opcode; 85 u8 operand[509]; 86}; 87 88#define LAST_OPERAND (509 - 1) 89 90static inline void clear_operands(struct avc_command_frame *c, int from, int to) 91{ 92 memset(&c->operand[from], 0, to - from + 1); 93} 94 95static void pad_operands(struct avc_command_frame *c, int from) 96{ 97 int to = ALIGN(from, 4); 98 99 if (from <= to && to <= LAST_OPERAND) 100 clear_operands(c, from, to); 101} 102 103#define AVC_DEBUG_READ_DESCRIPTOR 0x0001 104#define AVC_DEBUG_DSIT 0x0002 105#define AVC_DEBUG_DSD 0x0004 106#define AVC_DEBUG_REGISTER_REMOTE_CONTROL 0x0008 107#define AVC_DEBUG_LNB_CONTROL 0x0010 108#define AVC_DEBUG_TUNE_QPSK 0x0020 109#define AVC_DEBUG_TUNE_QPSK2 0x0040 110#define AVC_DEBUG_HOST2CA 0x0080 111#define AVC_DEBUG_CA2HOST 0x0100 112#define AVC_DEBUG_APPLICATION_PMT 0x4000 113#define AVC_DEBUG_FCP_PAYLOADS 0x8000 114 115static int avc_debug; 116module_param_named(debug, avc_debug, int, 0644); 117MODULE_PARM_DESC(debug, "Verbose logging (none = 0" 118 ", FCP subactions" 119 ": READ DESCRIPTOR = " __stringify(AVC_DEBUG_READ_DESCRIPTOR) 120 ", DSIT = " __stringify(AVC_DEBUG_DSIT) 121 ", REGISTER_REMOTE_CONTROL = " __stringify(AVC_DEBUG_REGISTER_REMOTE_CONTROL) 122 ", LNB CONTROL = " __stringify(AVC_DEBUG_LNB_CONTROL) 123 ", TUNE QPSK = " __stringify(AVC_DEBUG_TUNE_QPSK) 124 ", TUNE QPSK2 = " __stringify(AVC_DEBUG_TUNE_QPSK2) 125 ", HOST2CA = " __stringify(AVC_DEBUG_HOST2CA) 126 ", CA2HOST = " __stringify(AVC_DEBUG_CA2HOST) 127 "; Application sent PMT = " __stringify(AVC_DEBUG_APPLICATION_PMT) 128 ", FCP payloads = " __stringify(AVC_DEBUG_FCP_PAYLOADS) 129 ", or a combination, or all = -1)"); 130 131/* 132 * This is a workaround since there is no vendor specific command to retrieve 133 * ca_info using AVC. If this parameter is not used, ca_system_id will be 134 * filled with application_manufacturer from ca_app_info. 135 * Digital Everywhere have said that adding ca_info is on their TODO list. 136 */ 137static unsigned int num_fake_ca_system_ids; 138static int fake_ca_system_ids[4] = { -1, -1, -1, -1 }; 139module_param_array(fake_ca_system_ids, int, &num_fake_ca_system_ids, 0644); 140MODULE_PARM_DESC(fake_ca_system_ids, "If your CAM application manufacturer " 141 "does not have the same ca_system_id as your CAS, you can " 142 "override what ca_system_ids are presented to the " 143 "application by setting this field to an array of ids."); 144 145static const char *debug_fcp_ctype(unsigned int ctype) 146{ 147 static const char *ctypes[] = { 148 [0x0] = "CONTROL", [0x1] = "STATUS", 149 [0x2] = "SPECIFIC INQUIRY", [0x3] = "NOTIFY", 150 [0x4] = "GENERAL INQUIRY", [0x8] = "NOT IMPLEMENTED", 151 [0x9] = "ACCEPTED", [0xa] = "REJECTED", 152 [0xb] = "IN TRANSITION", [0xc] = "IMPLEMENTED/STABLE", 153 [0xd] = "CHANGED", [0xf] = "INTERIM", 154 }; 155 const char *ret = ctype < ARRAY_SIZE(ctypes) ? ctypes[ctype] : NULL; 156 157 return ret ? ret : "?"; 158} 159 160static const char *debug_fcp_opcode(unsigned int opcode, 161 const u8 *data, int length) 162{ 163 switch (opcode) { 164 case AVC_OPCODE_VENDOR: 165 break; 166 case AVC_OPCODE_READ_DESCRIPTOR: 167 return avc_debug & AVC_DEBUG_READ_DESCRIPTOR ? 168 "ReadDescriptor" : NULL; 169 case AVC_OPCODE_DSIT: 170 return avc_debug & AVC_DEBUG_DSIT ? 171 "DirectSelectInfo.Type" : NULL; 172 case AVC_OPCODE_DSD: 173 return avc_debug & AVC_DEBUG_DSD ? "DirectSelectData" : NULL; 174 default: 175 return "Unknown"; 176 } 177 178 if (length < 7 || 179 data[3] != SFE_VENDOR_DE_COMPANYID_0 || 180 data[4] != SFE_VENDOR_DE_COMPANYID_1 || 181 data[5] != SFE_VENDOR_DE_COMPANYID_2) 182 return "Vendor/Unknown"; 183 184 switch (data[6]) { 185 case SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL: 186 return avc_debug & AVC_DEBUG_REGISTER_REMOTE_CONTROL ? 187 "RegisterRC" : NULL; 188 case SFE_VENDOR_OPCODE_LNB_CONTROL: 189 return avc_debug & AVC_DEBUG_LNB_CONTROL ? "LNBControl" : NULL; 190 case SFE_VENDOR_OPCODE_TUNE_QPSK: 191 return avc_debug & AVC_DEBUG_TUNE_QPSK ? "TuneQPSK" : NULL; 192 case SFE_VENDOR_OPCODE_TUNE_QPSK2: 193 return avc_debug & AVC_DEBUG_TUNE_QPSK2 ? "TuneQPSK2" : NULL; 194 case SFE_VENDOR_OPCODE_HOST2CA: 195 return avc_debug & AVC_DEBUG_HOST2CA ? "Host2CA" : NULL; 196 case SFE_VENDOR_OPCODE_CA2HOST: 197 return avc_debug & AVC_DEBUG_CA2HOST ? "CA2Host" : NULL; 198 } 199 return "Vendor/Unknown"; 200} 201 202static void debug_fcp(const u8 *data, int length) 203{ 204 unsigned int subunit_type, subunit_id, opcode; 205 const char *op, *prefix; 206 207 prefix = data[0] > 7 ? "FCP <- " : "FCP -> "; 208 subunit_type = data[1] >> 3; 209 subunit_id = data[1] & 7; 210 opcode = subunit_type == 0x1e || subunit_id == 5 ? ~0 : data[2]; 211 op = debug_fcp_opcode(opcode, data, length); 212 213 if (op) { 214 printk(KERN_INFO "%ssu=%x.%x l=%d: %-8s - %s\n", 215 prefix, subunit_type, subunit_id, length, 216 debug_fcp_ctype(data[0]), op); 217 if (avc_debug & AVC_DEBUG_FCP_PAYLOADS) 218 print_hex_dump(KERN_INFO, prefix, DUMP_PREFIX_NONE, 219 16, 1, data, length, false); 220 } 221} 222 223static void debug_pmt(char *msg, int length) 224{ 225 printk(KERN_INFO "APP PMT -> l=%d\n", length); 226 print_hex_dump(KERN_INFO, "APP PMT -> ", DUMP_PREFIX_NONE, 227 16, 1, msg, length, false); 228} 229 230static int avc_write(struct firedtv *fdtv) 231{ 232 int err, retry; 233 234 fdtv->avc_reply_received = false; 235 236 for (retry = 0; retry < 6; retry++) { 237 if (unlikely(avc_debug)) 238 debug_fcp(fdtv->avc_data, fdtv->avc_data_length); 239 240 err = fdtv_write(fdtv, FCP_COMMAND_REGISTER, 241 fdtv->avc_data, fdtv->avc_data_length); 242 if (err) { 243 dev_err(fdtv->device, "FCP command write failed\n"); 244 245 return err; 246 } 247 248 /* 249 * AV/C specs say that answers should be sent within 150 ms. 250 * Time out after 200 ms. 251 */ 252 if (wait_event_timeout(fdtv->avc_wait, 253 fdtv->avc_reply_received, 254 msecs_to_jiffies(200)) != 0) 255 return 0; 256 } 257 dev_err(fdtv->device, "FCP response timed out\n"); 258 259 return -ETIMEDOUT; 260} 261 262static bool is_register_rc(struct avc_response_frame *r) 263{ 264 return r->opcode == AVC_OPCODE_VENDOR && 265 r->operand[0] == SFE_VENDOR_DE_COMPANYID_0 && 266 r->operand[1] == SFE_VENDOR_DE_COMPANYID_1 && 267 r->operand[2] == SFE_VENDOR_DE_COMPANYID_2 && 268 r->operand[3] == SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL; 269} 270 271int avc_recv(struct firedtv *fdtv, void *data, size_t length) 272{ 273 struct avc_response_frame *r = data; 274 275 if (unlikely(avc_debug)) 276 debug_fcp(data, length); 277 278 if (length >= 8 && is_register_rc(r)) { 279 switch (r->response) { 280 case AVC_RESPONSE_CHANGED: 281 fdtv_handle_rc(fdtv, r->operand[4] << 8 | r->operand[5]); 282 schedule_work(&fdtv->remote_ctrl_work); 283 break; 284 case AVC_RESPONSE_INTERIM: 285 if (is_register_rc((void *)fdtv->avc_data)) 286 goto wake; 287 break; 288 default: 289 dev_info(fdtv->device, 290 "remote control result = %d\n", r->response); 291 } 292 return 0; 293 } 294 295 if (fdtv->avc_reply_received) { 296 dev_err(fdtv->device, "out-of-order AVC response, ignored\n"); 297 return -EIO; 298 } 299 300 memcpy(fdtv->avc_data, data, length); 301 fdtv->avc_data_length = length; 302wake: 303 fdtv->avc_reply_received = true; 304 wake_up(&fdtv->avc_wait); 305 306 return 0; 307} 308 309static int add_pid_filter(struct firedtv *fdtv, u8 *operand) 310{ 311 int i, n, pos = 1; 312 313 for (i = 0, n = 0; i < 16; i++) { 314 if (test_bit(i, &fdtv->channel_active)) { 315 operand[pos++] = 0x13; /* flowfunction relay */ 316 operand[pos++] = 0x80; /* dsd_sel_spec_valid_flags -> PID */ 317 operand[pos++] = (fdtv->channel_pid[i] >> 8) & 0x1f; 318 operand[pos++] = fdtv->channel_pid[i] & 0xff; 319 operand[pos++] = 0x00; /* tableID */ 320 operand[pos++] = 0x00; /* filter_length */ 321 n++; 322 } 323 } 324 operand[0] = n; 325 326 return pos; 327} 328 329/* 330 * tuning command for setting the relative LNB frequency 331 * (not supported by the AVC standard) 332 */ 333static int avc_tuner_tuneqpsk(struct firedtv *fdtv, 334 struct dtv_frontend_properties *p) 335{ 336 struct avc_command_frame *c = (void *)fdtv->avc_data; 337 338 c->opcode = AVC_OPCODE_VENDOR; 339 340 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 341 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 342 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 343 if (fdtv->type == FIREDTV_DVB_S2) 344 c->operand[3] = SFE_VENDOR_OPCODE_TUNE_QPSK2; 345 else 346 c->operand[3] = SFE_VENDOR_OPCODE_TUNE_QPSK; 347 348 c->operand[4] = (p->frequency >> 24) & 0xff; 349 c->operand[5] = (p->frequency >> 16) & 0xff; 350 c->operand[6] = (p->frequency >> 8) & 0xff; 351 c->operand[7] = p->frequency & 0xff; 352 353 c->operand[8] = ((p->symbol_rate / 1000) >> 8) & 0xff; 354 c->operand[9] = (p->symbol_rate / 1000) & 0xff; 355 356 switch (p->fec_inner) { 357 case FEC_1_2: c->operand[10] = 0x1; break; 358 case FEC_2_3: c->operand[10] = 0x2; break; 359 case FEC_3_4: c->operand[10] = 0x3; break; 360 case FEC_5_6: c->operand[10] = 0x4; break; 361 case FEC_7_8: c->operand[10] = 0x5; break; 362 case FEC_4_5: 363 case FEC_8_9: 364 case FEC_AUTO: 365 default: c->operand[10] = 0x0; 366 } 367 368 if (fdtv->voltage == 0xff) 369 c->operand[11] = 0xff; 370 else if (fdtv->voltage == SEC_VOLTAGE_18) /* polarisation */ 371 c->operand[11] = 0; 372 else 373 c->operand[11] = 1; 374 375 if (fdtv->tone == 0xff) 376 c->operand[12] = 0xff; 377 else if (fdtv->tone == SEC_TONE_ON) /* band */ 378 c->operand[12] = 1; 379 else 380 c->operand[12] = 0; 381 382 if (fdtv->type == FIREDTV_DVB_S2) { 383 if (fdtv->fe.dtv_property_cache.delivery_system == SYS_DVBS2) { 384 switch (fdtv->fe.dtv_property_cache.modulation) { 385 case QAM_16: c->operand[13] = 0x1; break; 386 case QPSK: c->operand[13] = 0x2; break; 387 case PSK_8: c->operand[13] = 0x3; break; 388 default: c->operand[13] = 0x2; break; 389 } 390 switch (fdtv->fe.dtv_property_cache.rolloff) { 391 case ROLLOFF_35: c->operand[14] = 0x2; break; 392 case ROLLOFF_20: c->operand[14] = 0x0; break; 393 case ROLLOFF_25: c->operand[14] = 0x1; break; 394 case ROLLOFF_AUTO: 395 default: c->operand[14] = 0x2; break; 396 /* case ROLLOFF_NONE: c->operand[14] = 0xff; break; */ 397 } 398 switch (fdtv->fe.dtv_property_cache.pilot) { 399 case PILOT_AUTO: c->operand[15] = 0x0; break; 400 case PILOT_OFF: c->operand[15] = 0x0; break; 401 case PILOT_ON: c->operand[15] = 0x1; break; 402 } 403 } else { 404 c->operand[13] = 0x1; /* auto modulation */ 405 c->operand[14] = 0xff; /* disable rolloff */ 406 c->operand[15] = 0xff; /* disable pilot */ 407 } 408 return 16; 409 } else { 410 return 13; 411 } 412} 413 414static int avc_tuner_dsd_dvb_c(struct firedtv *fdtv, 415 struct dtv_frontend_properties *p) 416{ 417 struct avc_command_frame *c = (void *)fdtv->avc_data; 418 419 c->opcode = AVC_OPCODE_DSD; 420 421 c->operand[0] = 0; /* source plug */ 422 c->operand[1] = 0xd2; /* subfunction replace */ 423 c->operand[2] = 0x20; /* system id = DVB */ 424 c->operand[3] = 0x00; /* antenna number */ 425 c->operand[4] = 0x11; /* system_specific_multiplex selection_length */ 426 427 /* multiplex_valid_flags, high byte */ 428 c->operand[5] = 0 << 7 /* reserved */ 429 | 0 << 6 /* Polarisation */ 430 | 0 << 5 /* Orbital_Pos */ 431 | 1 << 4 /* Frequency */ 432 | 1 << 3 /* Symbol_Rate */ 433 | 0 << 2 /* FEC_outer */ 434 | (p->fec_inner != FEC_AUTO ? 1 << 1 : 0) 435 | (p->modulation != QAM_AUTO ? 1 << 0 : 0); 436 437 /* multiplex_valid_flags, low byte */ 438 c->operand[6] = 0 << 7 /* NetworkID */ 439 | 0 << 0 /* reserved */ ; 440 441 c->operand[7] = 0x00; 442 c->operand[8] = 0x00; 443 c->operand[9] = 0x00; 444 c->operand[10] = 0x00; 445 446 c->operand[11] = (((p->frequency / 4000) >> 16) & 0xff) | (2 << 6); 447 c->operand[12] = ((p->frequency / 4000) >> 8) & 0xff; 448 c->operand[13] = (p->frequency / 4000) & 0xff; 449 c->operand[14] = ((p->symbol_rate / 1000) >> 12) & 0xff; 450 c->operand[15] = ((p->symbol_rate / 1000) >> 4) & 0xff; 451 c->operand[16] = ((p->symbol_rate / 1000) << 4) & 0xf0; 452 c->operand[17] = 0x00; 453 454 switch (p->fec_inner) { 455 case FEC_1_2: c->operand[18] = 0x1; break; 456 case FEC_2_3: c->operand[18] = 0x2; break; 457 case FEC_3_4: c->operand[18] = 0x3; break; 458 case FEC_5_6: c->operand[18] = 0x4; break; 459 case FEC_7_8: c->operand[18] = 0x5; break; 460 case FEC_8_9: c->operand[18] = 0x6; break; 461 case FEC_4_5: c->operand[18] = 0x8; break; 462 case FEC_AUTO: 463 default: c->operand[18] = 0x0; 464 } 465 466 switch (p->modulation) { 467 case QAM_16: c->operand[19] = 0x08; break; 468 case QAM_32: c->operand[19] = 0x10; break; 469 case QAM_64: c->operand[19] = 0x18; break; 470 case QAM_128: c->operand[19] = 0x20; break; 471 case QAM_256: c->operand[19] = 0x28; break; 472 case QAM_AUTO: 473 default: c->operand[19] = 0x00; 474 } 475 476 c->operand[20] = 0x00; 477 c->operand[21] = 0x00; 478 479 return 22 + add_pid_filter(fdtv, &c->operand[22]); 480} 481 482static int avc_tuner_dsd_dvb_t(struct firedtv *fdtv, 483 struct dtv_frontend_properties *p) 484{ 485 struct avc_command_frame *c = (void *)fdtv->avc_data; 486 487 c->opcode = AVC_OPCODE_DSD; 488 489 c->operand[0] = 0; /* source plug */ 490 c->operand[1] = 0xd2; /* subfunction replace */ 491 c->operand[2] = 0x20; /* system id = DVB */ 492 c->operand[3] = 0x00; /* antenna number */ 493 c->operand[4] = 0x0c; /* system_specific_multiplex selection_length */ 494 495 /* multiplex_valid_flags, high byte */ 496 c->operand[5] = 497 0 << 7 /* reserved */ 498 | 1 << 6 /* CenterFrequency */ 499 | (p->bandwidth_hz != 0 ? 1 << 5 : 0) 500 | (p->modulation != QAM_AUTO ? 1 << 4 : 0) 501 | (p->hierarchy != HIERARCHY_AUTO ? 1 << 3 : 0) 502 | (p->code_rate_HP != FEC_AUTO ? 1 << 2 : 0) 503 | (p->code_rate_LP != FEC_AUTO ? 1 << 1 : 0) 504 | (p->guard_interval != GUARD_INTERVAL_AUTO ? 1 << 0 : 0); 505 506 /* multiplex_valid_flags, low byte */ 507 c->operand[6] = 508 0 << 7 /* NetworkID */ 509 | (p->transmission_mode != TRANSMISSION_MODE_AUTO ? 1 << 6 : 0) 510 | 0 << 5 /* OtherFrequencyFlag */ 511 | 0 << 0 /* reserved */ ; 512 513 c->operand[7] = 0x0; 514 c->operand[8] = (p->frequency / 10) >> 24; 515 c->operand[9] = ((p->frequency / 10) >> 16) & 0xff; 516 c->operand[10] = ((p->frequency / 10) >> 8) & 0xff; 517 c->operand[11] = (p->frequency / 10) & 0xff; 518 519 switch (p->bandwidth_hz) { 520 case 7000000: c->operand[12] = 0x20; break; 521 case 8000000: 522 case 6000000: /* not defined by AVC spec */ 523 case 0: 524 default: c->operand[12] = 0x00; 525 } 526 527 switch (p->modulation) { 528 case QAM_16: c->operand[13] = 1 << 6; break; 529 case QAM_64: c->operand[13] = 2 << 6; break; 530 case QPSK: 531 default: c->operand[13] = 0x00; 532 } 533 534 switch (p->hierarchy) { 535 case HIERARCHY_1: c->operand[13] |= 1 << 3; break; 536 case HIERARCHY_2: c->operand[13] |= 2 << 3; break; 537 case HIERARCHY_4: c->operand[13] |= 3 << 3; break; 538 case HIERARCHY_AUTO: 539 case HIERARCHY_NONE: 540 default: break; 541 } 542 543 switch (p->code_rate_HP) { 544 case FEC_2_3: c->operand[13] |= 1; break; 545 case FEC_3_4: c->operand[13] |= 2; break; 546 case FEC_5_6: c->operand[13] |= 3; break; 547 case FEC_7_8: c->operand[13] |= 4; break; 548 case FEC_1_2: 549 default: break; 550 } 551 552 switch (p->code_rate_LP) { 553 case FEC_2_3: c->operand[14] = 1 << 5; break; 554 case FEC_3_4: c->operand[14] = 2 << 5; break; 555 case FEC_5_6: c->operand[14] = 3 << 5; break; 556 case FEC_7_8: c->operand[14] = 4 << 5; break; 557 case FEC_1_2: 558 default: c->operand[14] = 0x00; break; 559 } 560 561 switch (p->guard_interval) { 562 case GUARD_INTERVAL_1_16: c->operand[14] |= 1 << 3; break; 563 case GUARD_INTERVAL_1_8: c->operand[14] |= 2 << 3; break; 564 case GUARD_INTERVAL_1_4: c->operand[14] |= 3 << 3; break; 565 case GUARD_INTERVAL_1_32: 566 case GUARD_INTERVAL_AUTO: 567 default: break; 568 } 569 570 switch (p->transmission_mode) { 571 case TRANSMISSION_MODE_8K: c->operand[14] |= 1 << 1; break; 572 case TRANSMISSION_MODE_2K: 573 case TRANSMISSION_MODE_AUTO: 574 default: break; 575 } 576 577 c->operand[15] = 0x00; /* network_ID[0] */ 578 c->operand[16] = 0x00; /* network_ID[1] */ 579 580 return 17 + add_pid_filter(fdtv, &c->operand[17]); 581} 582 583int avc_tuner_dsd(struct firedtv *fdtv, 584 struct dtv_frontend_properties *p) 585{ 586 struct avc_command_frame *c = (void *)fdtv->avc_data; 587 int pos, ret; 588 589 mutex_lock(&fdtv->avc_mutex); 590 591 c->ctype = AVC_CTYPE_CONTROL; 592 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 593 594 switch (fdtv->type) { 595 case FIREDTV_DVB_S: 596 case FIREDTV_DVB_S2: pos = avc_tuner_tuneqpsk(fdtv, p); break; 597 case FIREDTV_DVB_C: pos = avc_tuner_dsd_dvb_c(fdtv, p); break; 598 case FIREDTV_DVB_T: pos = avc_tuner_dsd_dvb_t(fdtv, p); break; 599 default: 600 ret = -EIO; 601 goto unlock; 602 } 603 pad_operands(c, pos); 604 605 fdtv->avc_data_length = ALIGN(3 + pos, 4); 606 ret = avc_write(fdtv); 607#if 0 608 /* 609 * FIXME: 610 * u8 *status was an out-parameter of avc_tuner_dsd, unused by caller. 611 * Check for AVC_RESPONSE_ACCEPTED here instead? 612 */ 613 if (status) 614 *status = r->operand[2]; 615#endif 616unlock: 617 mutex_unlock(&fdtv->avc_mutex); 618 619 if (ret == 0) 620 msleep(500); 621 622 return ret; 623} 624 625int avc_tuner_set_pids(struct firedtv *fdtv, unsigned char pidc, u16 pid[]) 626{ 627 struct avc_command_frame *c = (void *)fdtv->avc_data; 628 int ret, pos, k; 629 630 if (pidc > 16 && pidc != 0xff) 631 return -EINVAL; 632 633 mutex_lock(&fdtv->avc_mutex); 634 635 c->ctype = AVC_CTYPE_CONTROL; 636 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 637 c->opcode = AVC_OPCODE_DSD; 638 639 c->operand[0] = 0; /* source plug */ 640 c->operand[1] = 0xd2; /* subfunction replace */ 641 c->operand[2] = 0x20; /* system id = DVB */ 642 c->operand[3] = 0x00; /* antenna number */ 643 c->operand[4] = 0x00; /* system_specific_multiplex selection_length */ 644 c->operand[5] = pidc; /* Nr_of_dsd_sel_specs */ 645 646 pos = 6; 647 if (pidc != 0xff) 648 for (k = 0; k < pidc; k++) { 649 c->operand[pos++] = 0x13; /* flowfunction relay */ 650 c->operand[pos++] = 0x80; /* dsd_sel_spec_valid_flags -> PID */ 651 c->operand[pos++] = (pid[k] >> 8) & 0x1f; 652 c->operand[pos++] = pid[k] & 0xff; 653 c->operand[pos++] = 0x00; /* tableID */ 654 c->operand[pos++] = 0x00; /* filter_length */ 655 } 656 pad_operands(c, pos); 657 658 fdtv->avc_data_length = ALIGN(3 + pos, 4); 659 ret = avc_write(fdtv); 660 661 /* FIXME: check response code? */ 662 663 mutex_unlock(&fdtv->avc_mutex); 664 665 if (ret == 0) 666 msleep(50); 667 668 return ret; 669} 670 671int avc_tuner_get_ts(struct firedtv *fdtv) 672{ 673 struct avc_command_frame *c = (void *)fdtv->avc_data; 674 int ret, sl; 675 676 mutex_lock(&fdtv->avc_mutex); 677 678 c->ctype = AVC_CTYPE_CONTROL; 679 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 680 c->opcode = AVC_OPCODE_DSIT; 681 682 sl = fdtv->type == FIREDTV_DVB_T ? 0x0c : 0x11; 683 684 c->operand[0] = 0; /* source plug */ 685 c->operand[1] = 0xd2; /* subfunction replace */ 686 c->operand[2] = 0xff; /* status */ 687 c->operand[3] = 0x20; /* system id = DVB */ 688 c->operand[4] = 0x00; /* antenna number */ 689 c->operand[5] = 0x0; /* system_specific_search_flags */ 690 c->operand[6] = sl; /* system_specific_multiplex selection_length */ 691 /* 692 * operand[7]: valid_flags[0] 693 * operand[8]: valid_flags[1] 694 * operand[7 + sl]: nr_of_dsit_sel_specs (always 0) 695 */ 696 clear_operands(c, 7, 24); 697 698 fdtv->avc_data_length = fdtv->type == FIREDTV_DVB_T ? 24 : 28; 699 ret = avc_write(fdtv); 700 701 /* FIXME: check response code? */ 702 703 mutex_unlock(&fdtv->avc_mutex); 704 705 if (ret == 0) 706 msleep(250); 707 708 return ret; 709} 710 711int avc_identify_subunit(struct firedtv *fdtv) 712{ 713 struct avc_command_frame *c = (void *)fdtv->avc_data; 714 struct avc_response_frame *r = (void *)fdtv->avc_data; 715 int ret; 716 717 mutex_lock(&fdtv->avc_mutex); 718 719 c->ctype = AVC_CTYPE_CONTROL; 720 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 721 c->opcode = AVC_OPCODE_READ_DESCRIPTOR; 722 723 c->operand[0] = DESCRIPTOR_SUBUNIT_IDENTIFIER; 724 c->operand[1] = 0xff; 725 c->operand[2] = 0x00; 726 c->operand[3] = 0x00; /* length highbyte */ 727 c->operand[4] = 0x08; /* length lowbyte */ 728 c->operand[5] = 0x00; /* offset highbyte */ 729 c->operand[6] = 0x0d; /* offset lowbyte */ 730 clear_operands(c, 7, 8); /* padding */ 731 732 fdtv->avc_data_length = 12; 733 ret = avc_write(fdtv); 734 if (ret < 0) 735 goto out; 736 737 if ((r->response != AVC_RESPONSE_STABLE && 738 r->response != AVC_RESPONSE_ACCEPTED) || 739 (r->operand[3] << 8) + r->operand[4] != 8) { 740 dev_err(fdtv->device, "cannot read subunit identifier\n"); 741 ret = -EINVAL; 742 } 743out: 744 mutex_unlock(&fdtv->avc_mutex); 745 746 return ret; 747} 748 749#define SIZEOF_ANTENNA_INPUT_INFO 22 750 751int avc_tuner_status(struct firedtv *fdtv, struct firedtv_tuner_status *stat) 752{ 753 struct avc_command_frame *c = (void *)fdtv->avc_data; 754 struct avc_response_frame *r = (void *)fdtv->avc_data; 755 int length, ret; 756 757 mutex_lock(&fdtv->avc_mutex); 758 759 c->ctype = AVC_CTYPE_CONTROL; 760 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 761 c->opcode = AVC_OPCODE_READ_DESCRIPTOR; 762 763 c->operand[0] = DESCRIPTOR_TUNER_STATUS; 764 c->operand[1] = 0xff; /* read_result_status */ 765 /* 766 * operand[2]: reserved 767 * operand[3]: SIZEOF_ANTENNA_INPUT_INFO >> 8 768 * operand[4]: SIZEOF_ANTENNA_INPUT_INFO & 0xff 769 */ 770 clear_operands(c, 2, 31); 771 772 fdtv->avc_data_length = 12; 773 ret = avc_write(fdtv); 774 if (ret < 0) 775 goto out; 776 777 if (r->response != AVC_RESPONSE_STABLE && 778 r->response != AVC_RESPONSE_ACCEPTED) { 779 dev_err(fdtv->device, "cannot read tuner status\n"); 780 ret = -EINVAL; 781 goto out; 782 } 783 784 length = r->operand[9]; 785 if (r->operand[1] != 0x10 || length != SIZEOF_ANTENNA_INPUT_INFO) { 786 dev_err(fdtv->device, "got invalid tuner status\n"); 787 ret = -EINVAL; 788 goto out; 789 } 790 791 stat->active_system = r->operand[10]; 792 stat->searching = r->operand[11] >> 7 & 1; 793 stat->moving = r->operand[11] >> 6 & 1; 794 stat->no_rf = r->operand[11] >> 5 & 1; 795 stat->input = r->operand[12] >> 7 & 1; 796 stat->selected_antenna = r->operand[12] & 0x7f; 797 stat->ber = r->operand[13] << 24 | 798 r->operand[14] << 16 | 799 r->operand[15] << 8 | 800 r->operand[16]; 801 stat->signal_strength = r->operand[17]; 802 stat->raster_frequency = r->operand[18] >> 6 & 2; 803 stat->rf_frequency = (r->operand[18] & 0x3f) << 16 | 804 r->operand[19] << 8 | 805 r->operand[20]; 806 stat->man_dep_info_length = r->operand[21]; 807 stat->front_end_error = r->operand[22] >> 4 & 1; 808 stat->antenna_error = r->operand[22] >> 3 & 1; 809 stat->front_end_power_status = r->operand[22] >> 1 & 1; 810 stat->power_supply = r->operand[22] & 1; 811 stat->carrier_noise_ratio = r->operand[23] << 8 | 812 r->operand[24]; 813 stat->power_supply_voltage = r->operand[27]; 814 stat->antenna_voltage = r->operand[28]; 815 stat->firewire_bus_voltage = r->operand[29]; 816 stat->ca_mmi = r->operand[30] & 1; 817 stat->ca_pmt_reply = r->operand[31] >> 7 & 1; 818 stat->ca_date_time_request = r->operand[31] >> 6 & 1; 819 stat->ca_application_info = r->operand[31] >> 5 & 1; 820 stat->ca_module_present_status = r->operand[31] >> 4 & 1; 821 stat->ca_dvb_flag = r->operand[31] >> 3 & 1; 822 stat->ca_error_flag = r->operand[31] >> 2 & 1; 823 stat->ca_initialization_status = r->operand[31] >> 1 & 1; 824out: 825 mutex_unlock(&fdtv->avc_mutex); 826 827 return ret; 828} 829 830int avc_lnb_control(struct firedtv *fdtv, char voltage, char burst, 831 char conttone, char nrdiseq, 832 struct dvb_diseqc_master_cmd *diseqcmd) 833{ 834 struct avc_command_frame *c = (void *)fdtv->avc_data; 835 struct avc_response_frame *r = (void *)fdtv->avc_data; 836 int pos, j, k, ret; 837 838 mutex_lock(&fdtv->avc_mutex); 839 840 c->ctype = AVC_CTYPE_CONTROL; 841 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 842 c->opcode = AVC_OPCODE_VENDOR; 843 844 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 845 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 846 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 847 c->operand[3] = SFE_VENDOR_OPCODE_LNB_CONTROL; 848 c->operand[4] = voltage; 849 c->operand[5] = nrdiseq; 850 851 pos = 6; 852 for (j = 0; j < nrdiseq; j++) { 853 c->operand[pos++] = diseqcmd[j].msg_len; 854 855 for (k = 0; k < diseqcmd[j].msg_len; k++) 856 c->operand[pos++] = diseqcmd[j].msg[k]; 857 } 858 c->operand[pos++] = burst; 859 c->operand[pos++] = conttone; 860 pad_operands(c, pos); 861 862 fdtv->avc_data_length = ALIGN(3 + pos, 4); 863 ret = avc_write(fdtv); 864 if (ret < 0) 865 goto out; 866 867 if (r->response != AVC_RESPONSE_ACCEPTED) { 868 dev_err(fdtv->device, "LNB control failed\n"); 869 ret = -EINVAL; 870 } 871out: 872 mutex_unlock(&fdtv->avc_mutex); 873 874 return ret; 875} 876 877int avc_register_remote_control(struct firedtv *fdtv) 878{ 879 struct avc_command_frame *c = (void *)fdtv->avc_data; 880 int ret; 881 882 mutex_lock(&fdtv->avc_mutex); 883 884 c->ctype = AVC_CTYPE_NOTIFY; 885 c->subunit = AVC_SUBUNIT_TYPE_UNIT | 7; 886 c->opcode = AVC_OPCODE_VENDOR; 887 888 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 889 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 890 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 891 c->operand[3] = SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL; 892 c->operand[4] = 0; /* padding */ 893 894 fdtv->avc_data_length = 8; 895 ret = avc_write(fdtv); 896 897 /* FIXME: check response code? */ 898 899 mutex_unlock(&fdtv->avc_mutex); 900 901 return ret; 902} 903 904void avc_remote_ctrl_work(struct work_struct *work) 905{ 906 struct firedtv *fdtv = 907 container_of(work, struct firedtv, remote_ctrl_work); 908 909 /* Should it be rescheduled in failure cases? */ 910 avc_register_remote_control(fdtv); 911} 912 913#if 0 /* FIXME: unused */ 914int avc_tuner_host2ca(struct firedtv *fdtv) 915{ 916 struct avc_command_frame *c = (void *)fdtv->avc_data; 917 int ret; 918 919 mutex_lock(&fdtv->avc_mutex); 920 921 c->ctype = AVC_CTYPE_CONTROL; 922 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 923 c->opcode = AVC_OPCODE_VENDOR; 924 925 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 926 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 927 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 928 c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA; 929 c->operand[4] = 0; /* slot */ 930 c->operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; /* ca tag */ 931 clear_operands(c, 6, 8); 932 933 fdtv->avc_data_length = 12; 934 ret = avc_write(fdtv); 935 936 /* FIXME: check response code? */ 937 938 mutex_unlock(&fdtv->avc_mutex); 939 940 return ret; 941} 942#endif 943 944static int get_ca_object_pos(struct avc_response_frame *r) 945{ 946 int length = 1; 947 948 /* Check length of length field */ 949 if (r->operand[7] & 0x80) 950 length = (r->operand[7] & 0x7f) + 1; 951 return length + 7; 952} 953 954static int get_ca_object_length(struct avc_response_frame *r) 955{ 956#if 0 /* FIXME: unused */ 957 int size = 0; 958 int i; 959 960 if (r->operand[7] & 0x80) 961 for (i = 0; i < (r->operand[7] & 0x7f); i++) { 962 size <<= 8; 963 size += r->operand[8 + i]; 964 } 965#endif 966 return r->operand[7]; 967} 968 969int avc_ca_app_info(struct firedtv *fdtv, unsigned char *app_info, 970 unsigned int *len) 971{ 972 struct avc_command_frame *c = (void *)fdtv->avc_data; 973 struct avc_response_frame *r = (void *)fdtv->avc_data; 974 int pos, ret; 975 976 mutex_lock(&fdtv->avc_mutex); 977 978 c->ctype = AVC_CTYPE_STATUS; 979 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 980 c->opcode = AVC_OPCODE_VENDOR; 981 982 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 983 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 984 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 985 c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; 986 c->operand[4] = 0; /* slot */ 987 c->operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; /* ca tag */ 988 clear_operands(c, 6, LAST_OPERAND); 989 990 fdtv->avc_data_length = 12; 991 ret = avc_write(fdtv); 992 if (ret < 0) 993 goto out; 994 995 /* FIXME: check response code and validate response data */ 996 997 pos = get_ca_object_pos(r); 998 app_info[0] = (EN50221_TAG_APP_INFO >> 16) & 0xff; 999 app_info[1] = (EN50221_TAG_APP_INFO >> 8) & 0xff; 1000 app_info[2] = (EN50221_TAG_APP_INFO >> 0) & 0xff; 1001 app_info[3] = 6 + r->operand[pos + 4]; 1002 app_info[4] = 0x01; 1003 memcpy(&app_info[5], &r->operand[pos], 5 + r->operand[pos + 4]); 1004 *len = app_info[3] + 4; 1005out: 1006 mutex_unlock(&fdtv->avc_mutex); 1007 1008 return ret; 1009} 1010 1011int avc_ca_info(struct firedtv *fdtv, unsigned char *app_info, 1012 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; 1056out: 1057 mutex_unlock(&fdtv->avc_mutex); 1058 1059 return ret; 1060} 1061 1062int 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 1093int 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 if (program_info_length > sizeof(c->operand) - 4 - write_pos) { 1161 ret = -EINVAL; 1162 goto out; 1163 } 1164 1165 memcpy(&c->operand[write_pos], &msg[read_pos], 1166 program_info_length); 1167 read_pos += program_info_length; 1168 write_pos += program_info_length; 1169 } 1170 while (read_pos + 4 < length) { 1171 if (write_pos + 4 >= sizeof(c->operand) - 4) { 1172 ret = -EINVAL; 1173 goto out; 1174 } 1175 c->operand[write_pos++] = msg[read_pos++]; 1176 c->operand[write_pos++] = msg[read_pos++]; 1177 c->operand[write_pos++] = msg[read_pos++]; 1178 es_info_length = 1179 ((msg[read_pos] & 0x0f) << 8) + msg[read_pos + 1]; 1180 read_pos += 2; 1181 if (es_info_length > 0) 1182 es_info_length--; /* Remove pmt_cmd_id */ 1183 c->operand[write_pos++] = es_info_length >> 8; 1184 c->operand[write_pos++] = es_info_length & 0xff; 1185 if (es_info_length > 0) { 1186 if (read_pos >= length) { 1187 ret = -EINVAL; 1188 goto out; 1189 } 1190 pmt_cmd_id = msg[read_pos++]; 1191 if (pmt_cmd_id != 1 && pmt_cmd_id != 4) 1192 dev_err(fdtv->device, "invalid pmt_cmd_id %d at stream level\n", 1193 pmt_cmd_id); 1194 1195 if (es_info_length > sizeof(c->operand) - 4 - write_pos || 1196 es_info_length > length - read_pos) { 1197 ret = -EINVAL; 1198 goto out; 1199 } 1200 1201 memcpy(&c->operand[write_pos], &msg[read_pos], 1202 es_info_length); 1203 read_pos += es_info_length; 1204 write_pos += es_info_length; 1205 } 1206 } 1207 write_pos += 4; /* CRC */ 1208 1209 c->operand[7] = 0x82; 1210 c->operand[8] = (write_pos - 10) >> 8; 1211 c->operand[9] = (write_pos - 10) & 0xff; 1212 c->operand[14] = write_pos - 15; 1213 1214 crc32_csum = crc32_be(0, &c->operand[10], c->operand[12] - 1); 1215 c->operand[write_pos - 4] = (crc32_csum >> 24) & 0xff; 1216 c->operand[write_pos - 3] = (crc32_csum >> 16) & 0xff; 1217 c->operand[write_pos - 2] = (crc32_csum >> 8) & 0xff; 1218 c->operand[write_pos - 1] = (crc32_csum >> 0) & 0xff; 1219 pad_operands(c, write_pos); 1220 1221 fdtv->avc_data_length = ALIGN(3 + write_pos, 4); 1222 ret = avc_write(fdtv); 1223 if (ret < 0) 1224 goto out; 1225 1226 if (r->response != AVC_RESPONSE_ACCEPTED) { 1227 dev_err(fdtv->device, 1228 "CA PMT failed with response 0x%x\n", r->response); 1229 ret = -EACCES; 1230 } 1231out: 1232 mutex_unlock(&fdtv->avc_mutex); 1233 1234 return ret; 1235} 1236 1237int avc_ca_get_time_date(struct firedtv *fdtv, int *interval) 1238{ 1239 struct avc_command_frame *c = (void *)fdtv->avc_data; 1240 struct avc_response_frame *r = (void *)fdtv->avc_data; 1241 int ret; 1242 1243 mutex_lock(&fdtv->avc_mutex); 1244 1245 c->ctype = AVC_CTYPE_STATUS; 1246 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 1247 c->opcode = AVC_OPCODE_VENDOR; 1248 1249 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 1250 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 1251 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 1252 c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; 1253 c->operand[4] = 0; /* slot */ 1254 c->operand[5] = SFE_VENDOR_TAG_CA_DATE_TIME; /* ca tag */ 1255 clear_operands(c, 6, LAST_OPERAND); 1256 1257 fdtv->avc_data_length = 12; 1258 ret = avc_write(fdtv); 1259 if (ret < 0) 1260 goto out; 1261 1262 /* FIXME: check response code and validate response data */ 1263 1264 *interval = r->operand[get_ca_object_pos(r)]; 1265out: 1266 mutex_unlock(&fdtv->avc_mutex); 1267 1268 return ret; 1269} 1270 1271int avc_ca_enter_menu(struct firedtv *fdtv) 1272{ 1273 struct avc_command_frame *c = (void *)fdtv->avc_data; 1274 int ret; 1275 1276 mutex_lock(&fdtv->avc_mutex); 1277 1278 c->ctype = AVC_CTYPE_STATUS; 1279 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 1280 c->opcode = AVC_OPCODE_VENDOR; 1281 1282 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 1283 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 1284 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 1285 c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA; 1286 c->operand[4] = 0; /* slot */ 1287 c->operand[5] = SFE_VENDOR_TAG_CA_ENTER_MENU; 1288 clear_operands(c, 6, 8); 1289 1290 fdtv->avc_data_length = 12; 1291 ret = avc_write(fdtv); 1292 1293 /* FIXME: check response code? */ 1294 1295 mutex_unlock(&fdtv->avc_mutex); 1296 1297 return ret; 1298} 1299 1300int avc_ca_get_mmi(struct firedtv *fdtv, char *mmi_object, unsigned int *len) 1301{ 1302 struct avc_command_frame *c = (void *)fdtv->avc_data; 1303 struct avc_response_frame *r = (void *)fdtv->avc_data; 1304 int ret; 1305 1306 mutex_lock(&fdtv->avc_mutex); 1307 1308 c->ctype = AVC_CTYPE_STATUS; 1309 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 1310 c->opcode = AVC_OPCODE_VENDOR; 1311 1312 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 1313 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 1314 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 1315 c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; 1316 c->operand[4] = 0; /* slot */ 1317 c->operand[5] = SFE_VENDOR_TAG_CA_MMI; 1318 clear_operands(c, 6, LAST_OPERAND); 1319 1320 fdtv->avc_data_length = 12; 1321 ret = avc_write(fdtv); 1322 if (ret < 0) 1323 goto out; 1324 1325 /* FIXME: check response code and validate response data */ 1326 1327 *len = get_ca_object_length(r); 1328 memcpy(mmi_object, &r->operand[get_ca_object_pos(r)], *len); 1329out: 1330 mutex_unlock(&fdtv->avc_mutex); 1331 1332 return ret; 1333} 1334 1335#define CMP_OUTPUT_PLUG_CONTROL_REG_0 0xfffff0000904ULL 1336 1337static int cmp_read(struct firedtv *fdtv, u64 addr, __be32 *data) 1338{ 1339 int ret; 1340 1341 ret = fdtv_read(fdtv, addr, data); 1342 if (ret < 0) 1343 dev_err(fdtv->device, "CMP: read I/O error\n"); 1344 1345 return ret; 1346} 1347 1348static int cmp_lock(struct firedtv *fdtv, u64 addr, __be32 data[]) 1349{ 1350 int ret; 1351 1352 ret = fdtv_lock(fdtv, addr, data); 1353 if (ret < 0) 1354 dev_err(fdtv->device, "CMP: lock I/O error\n"); 1355 1356 return ret; 1357} 1358 1359static inline u32 get_opcr(__be32 opcr, u32 mask, u32 shift) 1360{ 1361 return (be32_to_cpu(opcr) >> shift) & mask; 1362} 1363 1364static inline void set_opcr(__be32 *opcr, u32 value, u32 mask, u32 shift) 1365{ 1366 *opcr &= ~cpu_to_be32(mask << shift); 1367 *opcr |= cpu_to_be32((value & mask) << shift); 1368} 1369 1370#define get_opcr_online(v) get_opcr((v), 0x1, 31) 1371#define get_opcr_p2p_connections(v) get_opcr((v), 0x3f, 24) 1372#define get_opcr_channel(v) get_opcr((v), 0x3f, 16) 1373 1374#define set_opcr_p2p_connections(p, v) set_opcr((p), (v), 0x3f, 24) 1375#define set_opcr_channel(p, v) set_opcr((p), (v), 0x3f, 16) 1376#define set_opcr_data_rate(p, v) set_opcr((p), (v), 0x3, 14) 1377#define set_opcr_overhead_id(p, v) set_opcr((p), (v), 0xf, 10) 1378 1379int cmp_establish_pp_connection(struct firedtv *fdtv, int plug, int channel) 1380{ 1381 __be32 old_opcr, opcr[2]; 1382 u64 opcr_address = CMP_OUTPUT_PLUG_CONTROL_REG_0 + (plug << 2); 1383 int attempts = 0; 1384 int ret; 1385 1386 ret = cmp_read(fdtv, opcr_address, opcr); 1387 if (ret < 0) 1388 return ret; 1389 1390repeat: 1391 if (!get_opcr_online(*opcr)) { 1392 dev_err(fdtv->device, "CMP: output offline\n"); 1393 return -EBUSY; 1394 } 1395 1396 old_opcr = *opcr; 1397 1398 if (get_opcr_p2p_connections(*opcr)) { 1399 if (get_opcr_channel(*opcr) != channel) { 1400 dev_err(fdtv->device, "CMP: cannot change channel\n"); 1401 return -EBUSY; 1402 } 1403 dev_info(fdtv->device, "CMP: overlaying connection\n"); 1404 1405 /* We don't allocate isochronous resources. */ 1406 } else { 1407 set_opcr_channel(opcr, channel); 1408 set_opcr_data_rate(opcr, 2); /* S400 */ 1409 1410 /* FIXME: this is for the worst case - optimize */ 1411 set_opcr_overhead_id(opcr, 0); 1412 1413 /* FIXME: allocate isochronous channel and bandwidth at IRM */ 1414 } 1415 1416 set_opcr_p2p_connections(opcr, get_opcr_p2p_connections(*opcr) + 1); 1417 1418 opcr[1] = *opcr; 1419 opcr[0] = old_opcr; 1420 1421 ret = cmp_lock(fdtv, opcr_address, opcr); 1422 if (ret < 0) 1423 return ret; 1424 1425 if (old_opcr != *opcr) { 1426 /* 1427 * FIXME: if old_opcr.P2P_Connections > 0, 1428 * deallocate isochronous channel and bandwidth at IRM 1429 */ 1430 1431 if (++attempts < 6) /* arbitrary limit */ 1432 goto repeat; 1433 return -EBUSY; 1434 } 1435 1436 return 0; 1437} 1438 1439void cmp_break_pp_connection(struct firedtv *fdtv, int plug, int channel) 1440{ 1441 __be32 old_opcr, opcr[2]; 1442 u64 opcr_address = CMP_OUTPUT_PLUG_CONTROL_REG_0 + (plug << 2); 1443 int attempts = 0; 1444 1445 if (cmp_read(fdtv, opcr_address, opcr) < 0) 1446 return; 1447 1448repeat: 1449 if (!get_opcr_online(*opcr) || !get_opcr_p2p_connections(*opcr) || 1450 get_opcr_channel(*opcr) != channel) { 1451 dev_err(fdtv->device, "CMP: no connection to break\n"); 1452 return; 1453 } 1454 1455 old_opcr = *opcr; 1456 set_opcr_p2p_connections(opcr, get_opcr_p2p_connections(*opcr) - 1); 1457 1458 opcr[1] = *opcr; 1459 opcr[0] = old_opcr; 1460 1461 if (cmp_lock(fdtv, opcr_address, opcr) < 0) 1462 return; 1463 1464 if (old_opcr != *opcr) { 1465 /* 1466 * FIXME: if old_opcr.P2P_Connections == 1, i.e. we were last 1467 * owner, deallocate isochronous channel and bandwidth at IRM 1468 * if (...) 1469 * fdtv->backend->dealloc_resources(fdtv, channel, bw); 1470 */ 1471 1472 if (++attempts < 6) /* arbitrary limit */ 1473 goto repeat; 1474 } 1475} 1476