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 74 struct avc_command_frame { 75 u8 ctype; 76 u8 subunit; 77 u8 opcode; 78 u8 operand[509]; 79 }; 80 81 struct 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 90 static 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 95 static 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 114 115 static int avc_debug; 116 module_param_named(debug, avc_debug, int, 0644); 117 MODULE_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 */ 137 static unsigned int num_fake_ca_system_ids; 138 static int fake_ca_system_ids[4] = { -1, -1, -1, -1 }; 139 module_param_array(fake_ca_system_ids, int, &num_fake_ca_system_ids, 0644); 140 MODULE_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."); 144 145 static 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 } 159 160 static 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 } 201 202 static 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 } 222 223 static 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 } 229 230 static 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 } 261 262 static 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 } 270 271 int 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; 302 wake: 303 fdtv->avc_reply_received = true; 304 wake_up(&fdtv->avc_wait); 305 306 return 0; 307 } 308 309 static 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 */ 333 static 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 } 413 414 static 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 } 481 482 static 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 } 582 583 int 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 BUG(); 601 } 602 pad_operands(c, pos); 603 604 fdtv->avc_data_length = ALIGN(3 + pos, 4); 605 ret = avc_write(fdtv); 606 #if 0 607 /* 608 * FIXME: 609 * u8 *status was an out-parameter of avc_tuner_dsd, unused by caller. 610 * Check for AVC_RESPONSE_ACCEPTED here instead? 611 */ 612 if (status) 613 *status = r->operand[2]; 614 #endif 615 mutex_unlock(&fdtv->avc_mutex); 616 617 if (ret == 0) 618 msleep(500); 619 620 return ret; 621 } 622 623 int avc_tuner_set_pids(struct firedtv *fdtv, unsigned char pidc, u16 pid[]) 624 { 625 struct avc_command_frame *c = (void *)fdtv->avc_data; 626 int ret, pos, k; 627 628 if (pidc > 16 && pidc != 0xff) 629 return -EINVAL; 630 631 mutex_lock(&fdtv->avc_mutex); 632 633 c->ctype = AVC_CTYPE_CONTROL; 634 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 635 c->opcode = AVC_OPCODE_DSD; 636 637 c->operand[0] = 0; /* source plug */ 638 c->operand[1] = 0xd2; /* subfunction replace */ 639 c->operand[2] = 0x20; /* system id = DVB */ 640 c->operand[3] = 0x00; /* antenna number */ 641 c->operand[4] = 0x00; /* system_specific_multiplex selection_length */ 642 c->operand[5] = pidc; /* Nr_of_dsd_sel_specs */ 643 644 pos = 6; 645 if (pidc != 0xff) 646 for (k = 0; k < pidc; k++) { 647 c->operand[pos++] = 0x13; /* flowfunction relay */ 648 c->operand[pos++] = 0x80; /* dsd_sel_spec_valid_flags -> PID */ 649 c->operand[pos++] = (pid[k] >> 8) & 0x1f; 650 c->operand[pos++] = pid[k] & 0xff; 651 c->operand[pos++] = 0x00; /* tableID */ 652 c->operand[pos++] = 0x00; /* filter_length */ 653 } 654 pad_operands(c, pos); 655 656 fdtv->avc_data_length = ALIGN(3 + pos, 4); 657 ret = avc_write(fdtv); 658 659 /* FIXME: check response code? */ 660 661 mutex_unlock(&fdtv->avc_mutex); 662 663 if (ret == 0) 664 msleep(50); 665 666 return ret; 667 } 668 669 int avc_tuner_get_ts(struct firedtv *fdtv) 670 { 671 struct avc_command_frame *c = (void *)fdtv->avc_data; 672 int ret, sl; 673 674 mutex_lock(&fdtv->avc_mutex); 675 676 c->ctype = AVC_CTYPE_CONTROL; 677 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 678 c->opcode = AVC_OPCODE_DSIT; 679 680 sl = fdtv->type == FIREDTV_DVB_T ? 0x0c : 0x11; 681 682 c->operand[0] = 0; /* source plug */ 683 c->operand[1] = 0xd2; /* subfunction replace */ 684 c->operand[2] = 0xff; /* status */ 685 c->operand[3] = 0x20; /* system id = DVB */ 686 c->operand[4] = 0x00; /* antenna number */ 687 c->operand[5] = 0x0; /* system_specific_search_flags */ 688 c->operand[6] = sl; /* system_specific_multiplex selection_length */ 689 /* 690 * operand[7]: valid_flags[0] 691 * operand[8]: valid_flags[1] 692 * operand[7 + sl]: nr_of_dsit_sel_specs (always 0) 693 */ 694 clear_operands(c, 7, 24); 695 696 fdtv->avc_data_length = fdtv->type == FIREDTV_DVB_T ? 24 : 28; 697 ret = avc_write(fdtv); 698 699 /* FIXME: check response code? */ 700 701 mutex_unlock(&fdtv->avc_mutex); 702 703 if (ret == 0) 704 msleep(250); 705 706 return ret; 707 } 708 709 int avc_identify_subunit(struct firedtv *fdtv) 710 { 711 struct avc_command_frame *c = (void *)fdtv->avc_data; 712 struct avc_response_frame *r = (void *)fdtv->avc_data; 713 int ret; 714 715 mutex_lock(&fdtv->avc_mutex); 716 717 c->ctype = AVC_CTYPE_CONTROL; 718 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 719 c->opcode = AVC_OPCODE_READ_DESCRIPTOR; 720 721 c->operand[0] = DESCRIPTOR_SUBUNIT_IDENTIFIER; 722 c->operand[1] = 0xff; 723 c->operand[2] = 0x00; 724 c->operand[3] = 0x00; /* length highbyte */ 725 c->operand[4] = 0x08; /* length lowbyte */ 726 c->operand[5] = 0x00; /* offset highbyte */ 727 c->operand[6] = 0x0d; /* offset lowbyte */ 728 clear_operands(c, 7, 8); /* padding */ 729 730 fdtv->avc_data_length = 12; 731 ret = avc_write(fdtv); 732 if (ret < 0) 733 goto out; 734 735 if ((r->response != AVC_RESPONSE_STABLE && 736 r->response != AVC_RESPONSE_ACCEPTED) || 737 (r->operand[3] << 8) + r->operand[4] != 8) { 738 dev_err(fdtv->device, "cannot read subunit identifier\n"); 739 ret = -EINVAL; 740 } 741 out: 742 mutex_unlock(&fdtv->avc_mutex); 743 744 return ret; 745 } 746 747 #define SIZEOF_ANTENNA_INPUT_INFO 22 748 749 int avc_tuner_status(struct firedtv *fdtv, struct firedtv_tuner_status *stat) 750 { 751 struct avc_command_frame *c = (void *)fdtv->avc_data; 752 struct avc_response_frame *r = (void *)fdtv->avc_data; 753 int length, ret; 754 755 mutex_lock(&fdtv->avc_mutex); 756 757 c->ctype = AVC_CTYPE_CONTROL; 758 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 759 c->opcode = AVC_OPCODE_READ_DESCRIPTOR; 760 761 c->operand[0] = DESCRIPTOR_TUNER_STATUS; 762 c->operand[1] = 0xff; /* read_result_status */ 763 /* 764 * operand[2]: reserved 765 * operand[3]: SIZEOF_ANTENNA_INPUT_INFO >> 8 766 * operand[4]: SIZEOF_ANTENNA_INPUT_INFO & 0xff 767 */ 768 clear_operands(c, 2, 31); 769 770 fdtv->avc_data_length = 12; 771 ret = avc_write(fdtv); 772 if (ret < 0) 773 goto out; 774 775 if (r->response != AVC_RESPONSE_STABLE && 776 r->response != AVC_RESPONSE_ACCEPTED) { 777 dev_err(fdtv->device, "cannot read tuner status\n"); 778 ret = -EINVAL; 779 goto out; 780 } 781 782 length = r->operand[9]; 783 if (r->operand[1] != 0x10 || length != SIZEOF_ANTENNA_INPUT_INFO) { 784 dev_err(fdtv->device, "got invalid tuner status\n"); 785 ret = -EINVAL; 786 goto out; 787 } 788 789 stat->active_system = r->operand[10]; 790 stat->searching = r->operand[11] >> 7 & 1; 791 stat->moving = r->operand[11] >> 6 & 1; 792 stat->no_rf = r->operand[11] >> 5 & 1; 793 stat->input = r->operand[12] >> 7 & 1; 794 stat->selected_antenna = r->operand[12] & 0x7f; 795 stat->ber = r->operand[13] << 24 | 796 r->operand[14] << 16 | 797 r->operand[15] << 8 | 798 r->operand[16]; 799 stat->signal_strength = r->operand[17]; 800 stat->raster_frequency = r->operand[18] >> 6 & 2; 801 stat->rf_frequency = (r->operand[18] & 0x3f) << 16 | 802 r->operand[19] << 8 | 803 r->operand[20]; 804 stat->man_dep_info_length = r->operand[21]; 805 stat->front_end_error = r->operand[22] >> 4 & 1; 806 stat->antenna_error = r->operand[22] >> 3 & 1; 807 stat->front_end_power_status = r->operand[22] >> 1 & 1; 808 stat->power_supply = r->operand[22] & 1; 809 stat->carrier_noise_ratio = r->operand[23] << 8 | 810 r->operand[24]; 811 stat->power_supply_voltage = r->operand[27]; 812 stat->antenna_voltage = r->operand[28]; 813 stat->firewire_bus_voltage = r->operand[29]; 814 stat->ca_mmi = r->operand[30] & 1; 815 stat->ca_pmt_reply = r->operand[31] >> 7 & 1; 816 stat->ca_date_time_request = r->operand[31] >> 6 & 1; 817 stat->ca_application_info = r->operand[31] >> 5 & 1; 818 stat->ca_module_present_status = r->operand[31] >> 4 & 1; 819 stat->ca_dvb_flag = r->operand[31] >> 3 & 1; 820 stat->ca_error_flag = r->operand[31] >> 2 & 1; 821 stat->ca_initialization_status = r->operand[31] >> 1 & 1; 822 out: 823 mutex_unlock(&fdtv->avc_mutex); 824 825 return ret; 826 } 827 828 int avc_lnb_control(struct firedtv *fdtv, char voltage, char burst, 829 char conttone, char nrdiseq, 830 struct dvb_diseqc_master_cmd *diseqcmd) 831 { 832 struct avc_command_frame *c = (void *)fdtv->avc_data; 833 struct avc_response_frame *r = (void *)fdtv->avc_data; 834 int pos, j, k, ret; 835 836 mutex_lock(&fdtv->avc_mutex); 837 838 c->ctype = AVC_CTYPE_CONTROL; 839 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 840 c->opcode = AVC_OPCODE_VENDOR; 841 842 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 843 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 844 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 845 c->operand[3] = SFE_VENDOR_OPCODE_LNB_CONTROL; 846 c->operand[4] = voltage; 847 c->operand[5] = nrdiseq; 848 849 pos = 6; 850 for (j = 0; j < nrdiseq; j++) { 851 c->operand[pos++] = diseqcmd[j].msg_len; 852 853 for (k = 0; k < diseqcmd[j].msg_len; k++) 854 c->operand[pos++] = diseqcmd[j].msg[k]; 855 } 856 c->operand[pos++] = burst; 857 c->operand[pos++] = conttone; 858 pad_operands(c, pos); 859 860 fdtv->avc_data_length = ALIGN(3 + pos, 4); 861 ret = avc_write(fdtv); 862 if (ret < 0) 863 goto out; 864 865 if (r->response != AVC_RESPONSE_ACCEPTED) { 866 dev_err(fdtv->device, "LNB control failed\n"); 867 ret = -EINVAL; 868 } 869 out: 870 mutex_unlock(&fdtv->avc_mutex); 871 872 return ret; 873 } 874 875 int avc_register_remote_control(struct firedtv *fdtv) 876 { 877 struct avc_command_frame *c = (void *)fdtv->avc_data; 878 int ret; 879 880 mutex_lock(&fdtv->avc_mutex); 881 882 c->ctype = AVC_CTYPE_NOTIFY; 883 c->subunit = AVC_SUBUNIT_TYPE_UNIT | 7; 884 c->opcode = AVC_OPCODE_VENDOR; 885 886 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 887 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 888 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 889 c->operand[3] = SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL; 890 c->operand[4] = 0; /* padding */ 891 892 fdtv->avc_data_length = 8; 893 ret = avc_write(fdtv); 894 895 /* FIXME: check response code? */ 896 897 mutex_unlock(&fdtv->avc_mutex); 898 899 return ret; 900 } 901 902 void avc_remote_ctrl_work(struct work_struct *work) 903 { 904 struct firedtv *fdtv = 905 container_of(work, struct firedtv, remote_ctrl_work); 906 907 /* Should it be rescheduled in failure cases? */ 908 avc_register_remote_control(fdtv); 909 } 910 911 #if 0 /* FIXME: unused */ 912 int avc_tuner_host2ca(struct firedtv *fdtv) 913 { 914 struct avc_command_frame *c = (void *)fdtv->avc_data; 915 int ret; 916 917 mutex_lock(&fdtv->avc_mutex); 918 919 c->ctype = AVC_CTYPE_CONTROL; 920 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 921 c->opcode = AVC_OPCODE_VENDOR; 922 923 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 924 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 925 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 926 c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA; 927 c->operand[4] = 0; /* slot */ 928 c->operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; /* ca tag */ 929 clear_operands(c, 6, 8); 930 931 fdtv->avc_data_length = 12; 932 ret = avc_write(fdtv); 933 934 /* FIXME: check response code? */ 935 936 mutex_unlock(&fdtv->avc_mutex); 937 938 return ret; 939 } 940 #endif 941 942 static int get_ca_object_pos(struct avc_response_frame *r) 943 { 944 int length = 1; 945 946 /* Check length of length field */ 947 if (r->operand[7] & 0x80) 948 length = (r->operand[7] & 0x7f) + 1; 949 return length + 7; 950 } 951 952 static int get_ca_object_length(struct avc_response_frame *r) 953 { 954 #if 0 /* FIXME: unused */ 955 int size = 0; 956 int i; 957 958 if (r->operand[7] & 0x80) 959 for (i = 0; i < (r->operand[7] & 0x7f); i++) { 960 size <<= 8; 961 size += r->operand[8 + i]; 962 } 963 #endif 964 return r->operand[7]; 965 } 966 967 int avc_ca_app_info(struct firedtv *fdtv, unsigned char *app_info, 968 unsigned int *len) 969 { 970 struct avc_command_frame *c = (void *)fdtv->avc_data; 971 struct avc_response_frame *r = (void *)fdtv->avc_data; 972 int pos, ret; 973 974 mutex_lock(&fdtv->avc_mutex); 975 976 c->ctype = AVC_CTYPE_STATUS; 977 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 978 c->opcode = AVC_OPCODE_VENDOR; 979 980 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 981 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 982 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 983 c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; 984 c->operand[4] = 0; /* slot */ 985 c->operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; /* ca tag */ 986 clear_operands(c, 6, LAST_OPERAND); 987 988 fdtv->avc_data_length = 12; 989 ret = avc_write(fdtv); 990 if (ret < 0) 991 goto out; 992 993 /* FIXME: check response code and validate response data */ 994 995 pos = get_ca_object_pos(r); 996 app_info[0] = (EN50221_TAG_APP_INFO >> 16) & 0xff; 997 app_info[1] = (EN50221_TAG_APP_INFO >> 8) & 0xff; 998 app_info[2] = (EN50221_TAG_APP_INFO >> 0) & 0xff; 999 app_info[3] = 6 + r->operand[pos + 4]; 1000 app_info[4] = 0x01; 1001 memcpy(&app_info[5], &r->operand[pos], 5 + r->operand[pos + 4]); 1002 *len = app_info[3] + 4; 1003 out: 1004 mutex_unlock(&fdtv->avc_mutex); 1005 1006 return ret; 1007 } 1008 1009 int avc_ca_info(struct firedtv *fdtv, unsigned char *app_info, 1010 unsigned int *len) 1011 { 1012 struct avc_command_frame *c = (void *)fdtv->avc_data; 1013 struct avc_response_frame *r = (void *)fdtv->avc_data; 1014 int i, pos, ret; 1015 1016 mutex_lock(&fdtv->avc_mutex); 1017 1018 c->ctype = AVC_CTYPE_STATUS; 1019 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 1020 c->opcode = AVC_OPCODE_VENDOR; 1021 1022 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 1023 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 1024 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 1025 c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; 1026 c->operand[4] = 0; /* slot */ 1027 c->operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; /* ca tag */ 1028 clear_operands(c, 6, LAST_OPERAND); 1029 1030 fdtv->avc_data_length = 12; 1031 ret = avc_write(fdtv); 1032 if (ret < 0) 1033 goto out; 1034 1035 /* FIXME: check response code and validate response data */ 1036 1037 pos = get_ca_object_pos(r); 1038 app_info[0] = (EN50221_TAG_CA_INFO >> 16) & 0xff; 1039 app_info[1] = (EN50221_TAG_CA_INFO >> 8) & 0xff; 1040 app_info[2] = (EN50221_TAG_CA_INFO >> 0) & 0xff; 1041 if (num_fake_ca_system_ids == 0) { 1042 app_info[3] = 2; 1043 app_info[4] = r->operand[pos + 0]; 1044 app_info[5] = r->operand[pos + 1]; 1045 } else { 1046 app_info[3] = num_fake_ca_system_ids * 2; 1047 for (i = 0; i < num_fake_ca_system_ids; i++) { 1048 app_info[4 + i * 2] = 1049 (fake_ca_system_ids[i] >> 8) & 0xff; 1050 app_info[5 + i * 2] = fake_ca_system_ids[i] & 0xff; 1051 } 1052 } 1053 *len = app_info[3] + 4; 1054 out: 1055 mutex_unlock(&fdtv->avc_mutex); 1056 1057 return ret; 1058 } 1059 1060 int avc_ca_reset(struct firedtv *fdtv) 1061 { 1062 struct avc_command_frame *c = (void *)fdtv->avc_data; 1063 int ret; 1064 1065 mutex_lock(&fdtv->avc_mutex); 1066 1067 c->ctype = AVC_CTYPE_CONTROL; 1068 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 1069 c->opcode = AVC_OPCODE_VENDOR; 1070 1071 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 1072 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 1073 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 1074 c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA; 1075 c->operand[4] = 0; /* slot */ 1076 c->operand[5] = SFE_VENDOR_TAG_CA_RESET; /* ca tag */ 1077 c->operand[6] = 0; /* more/last */ 1078 c->operand[7] = 1; /* length */ 1079 c->operand[8] = 0; /* force hardware reset */ 1080 1081 fdtv->avc_data_length = 12; 1082 ret = avc_write(fdtv); 1083 1084 /* FIXME: check response code? */ 1085 1086 mutex_unlock(&fdtv->avc_mutex); 1087 1088 return ret; 1089 } 1090 1091 int avc_ca_pmt(struct firedtv *fdtv, char *msg, int length) 1092 { 1093 struct avc_command_frame *c = (void *)fdtv->avc_data; 1094 struct avc_response_frame *r = (void *)fdtv->avc_data; 1095 int list_management; 1096 int program_info_length; 1097 int pmt_cmd_id; 1098 int read_pos; 1099 int write_pos; 1100 int es_info_length; 1101 int crc32_csum; 1102 int ret; 1103 1104 if (unlikely(avc_debug & AVC_DEBUG_APPLICATION_PMT)) 1105 debug_pmt(msg, length); 1106 1107 mutex_lock(&fdtv->avc_mutex); 1108 1109 c->ctype = AVC_CTYPE_CONTROL; 1110 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 1111 c->opcode = AVC_OPCODE_VENDOR; 1112 1113 if (msg[0] != EN50221_LIST_MANAGEMENT_ONLY) { 1114 dev_info(fdtv->device, "forcing list_management to ONLY\n"); 1115 msg[0] = EN50221_LIST_MANAGEMENT_ONLY; 1116 } 1117 /* We take the cmd_id from the programme level only! */ 1118 list_management = msg[0]; 1119 program_info_length = ((msg[4] & 0x0f) << 8) + msg[5]; 1120 if (program_info_length > 0) 1121 program_info_length--; /* Remove pmt_cmd_id */ 1122 pmt_cmd_id = msg[6]; 1123 1124 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 1125 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 1126 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 1127 c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA; 1128 c->operand[4] = 0; /* slot */ 1129 c->operand[5] = SFE_VENDOR_TAG_CA_PMT; /* ca tag */ 1130 c->operand[6] = 0; /* more/last */ 1131 /* Use three bytes for length field in case length > 127 */ 1132 c->operand[10] = list_management; 1133 c->operand[11] = 0x01; /* pmt_cmd=OK_descramble */ 1134 1135 /* TS program map table */ 1136 1137 c->operand[12] = 0x02; /* Table id=2 */ 1138 c->operand[13] = 0x80; /* Section syntax + length */ 1139 1140 c->operand[15] = msg[1]; /* Program number */ 1141 c->operand[16] = msg[2]; 1142 c->operand[17] = msg[3]; /* Version number and current/next */ 1143 c->operand[18] = 0x00; /* Section number=0 */ 1144 c->operand[19] = 0x00; /* Last section number=0 */ 1145 c->operand[20] = 0x1f; /* PCR_PID=1FFF */ 1146 c->operand[21] = 0xff; 1147 c->operand[22] = (program_info_length >> 8); /* Program info length */ 1148 c->operand[23] = (program_info_length & 0xff); 1149 1150 /* CA descriptors at programme level */ 1151 read_pos = 6; 1152 write_pos = 24; 1153 if (program_info_length > 0) { 1154 pmt_cmd_id = msg[read_pos++]; 1155 if (pmt_cmd_id != 1 && pmt_cmd_id != 4) 1156 dev_err(fdtv->device, 1157 "invalid pmt_cmd_id %d\n", pmt_cmd_id); 1158 if (program_info_length > sizeof(c->operand) - 4 - write_pos) { 1159 ret = -EINVAL; 1160 goto out; 1161 } 1162 1163 memcpy(&c->operand[write_pos], &msg[read_pos], 1164 program_info_length); 1165 read_pos += program_info_length; 1166 write_pos += program_info_length; 1167 } 1168 while (read_pos + 4 < length) { 1169 if (write_pos + 4 >= sizeof(c->operand) - 4) { 1170 ret = -EINVAL; 1171 goto out; 1172 } 1173 c->operand[write_pos++] = msg[read_pos++]; 1174 c->operand[write_pos++] = msg[read_pos++]; 1175 c->operand[write_pos++] = msg[read_pos++]; 1176 es_info_length = 1177 ((msg[read_pos] & 0x0f) << 8) + msg[read_pos + 1]; 1178 read_pos += 2; 1179 if (es_info_length > 0) 1180 es_info_length--; /* Remove pmt_cmd_id */ 1181 c->operand[write_pos++] = es_info_length >> 8; 1182 c->operand[write_pos++] = es_info_length & 0xff; 1183 if (es_info_length > 0) { 1184 if (read_pos >= length) { 1185 ret = -EINVAL; 1186 goto out; 1187 } 1188 pmt_cmd_id = msg[read_pos++]; 1189 if (pmt_cmd_id != 1 && pmt_cmd_id != 4) 1190 dev_err(fdtv->device, "invalid pmt_cmd_id %d at stream level\n", 1191 pmt_cmd_id); 1192 1193 if (es_info_length > sizeof(c->operand) - 4 - write_pos || 1194 es_info_length > length - read_pos) { 1195 ret = -EINVAL; 1196 goto out; 1197 } 1198 1199 memcpy(&c->operand[write_pos], &msg[read_pos], 1200 es_info_length); 1201 read_pos += es_info_length; 1202 write_pos += es_info_length; 1203 } 1204 } 1205 write_pos += 4; /* CRC */ 1206 1207 c->operand[7] = 0x82; 1208 c->operand[8] = (write_pos - 10) >> 8; 1209 c->operand[9] = (write_pos - 10) & 0xff; 1210 c->operand[14] = write_pos - 15; 1211 1212 crc32_csum = crc32_be(0, &c->operand[10], c->operand[12] - 1); 1213 c->operand[write_pos - 4] = (crc32_csum >> 24) & 0xff; 1214 c->operand[write_pos - 3] = (crc32_csum >> 16) & 0xff; 1215 c->operand[write_pos - 2] = (crc32_csum >> 8) & 0xff; 1216 c->operand[write_pos - 1] = (crc32_csum >> 0) & 0xff; 1217 pad_operands(c, write_pos); 1218 1219 fdtv->avc_data_length = ALIGN(3 + write_pos, 4); 1220 ret = avc_write(fdtv); 1221 if (ret < 0) 1222 goto out; 1223 1224 if (r->response != AVC_RESPONSE_ACCEPTED) { 1225 dev_err(fdtv->device, 1226 "CA PMT failed with response 0x%x\n", r->response); 1227 ret = -EACCES; 1228 } 1229 out: 1230 mutex_unlock(&fdtv->avc_mutex); 1231 1232 return ret; 1233 } 1234 1235 int avc_ca_get_time_date(struct firedtv *fdtv, int *interval) 1236 { 1237 struct avc_command_frame *c = (void *)fdtv->avc_data; 1238 struct avc_response_frame *r = (void *)fdtv->avc_data; 1239 int ret; 1240 1241 mutex_lock(&fdtv->avc_mutex); 1242 1243 c->ctype = AVC_CTYPE_STATUS; 1244 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 1245 c->opcode = AVC_OPCODE_VENDOR; 1246 1247 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 1248 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 1249 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 1250 c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; 1251 c->operand[4] = 0; /* slot */ 1252 c->operand[5] = SFE_VENDOR_TAG_CA_DATE_TIME; /* ca tag */ 1253 clear_operands(c, 6, LAST_OPERAND); 1254 1255 fdtv->avc_data_length = 12; 1256 ret = avc_write(fdtv); 1257 if (ret < 0) 1258 goto out; 1259 1260 /* FIXME: check response code and validate response data */ 1261 1262 *interval = r->operand[get_ca_object_pos(r)]; 1263 out: 1264 mutex_unlock(&fdtv->avc_mutex); 1265 1266 return ret; 1267 } 1268 1269 int avc_ca_enter_menu(struct firedtv *fdtv) 1270 { 1271 struct avc_command_frame *c = (void *)fdtv->avc_data; 1272 int ret; 1273 1274 mutex_lock(&fdtv->avc_mutex); 1275 1276 c->ctype = AVC_CTYPE_STATUS; 1277 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 1278 c->opcode = AVC_OPCODE_VENDOR; 1279 1280 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 1281 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 1282 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 1283 c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA; 1284 c->operand[4] = 0; /* slot */ 1285 c->operand[5] = SFE_VENDOR_TAG_CA_ENTER_MENU; 1286 clear_operands(c, 6, 8); 1287 1288 fdtv->avc_data_length = 12; 1289 ret = avc_write(fdtv); 1290 1291 /* FIXME: check response code? */ 1292 1293 mutex_unlock(&fdtv->avc_mutex); 1294 1295 return ret; 1296 } 1297 1298 int avc_ca_get_mmi(struct firedtv *fdtv, char *mmi_object, unsigned int *len) 1299 { 1300 struct avc_command_frame *c = (void *)fdtv->avc_data; 1301 struct avc_response_frame *r = (void *)fdtv->avc_data; 1302 int ret; 1303 1304 mutex_lock(&fdtv->avc_mutex); 1305 1306 c->ctype = AVC_CTYPE_STATUS; 1307 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 1308 c->opcode = AVC_OPCODE_VENDOR; 1309 1310 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 1311 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 1312 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 1313 c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; 1314 c->operand[4] = 0; /* slot */ 1315 c->operand[5] = SFE_VENDOR_TAG_CA_MMI; 1316 clear_operands(c, 6, LAST_OPERAND); 1317 1318 fdtv->avc_data_length = 12; 1319 ret = avc_write(fdtv); 1320 if (ret < 0) 1321 goto out; 1322 1323 /* FIXME: check response code and validate response data */ 1324 1325 *len = get_ca_object_length(r); 1326 memcpy(mmi_object, &r->operand[get_ca_object_pos(r)], *len); 1327 out: 1328 mutex_unlock(&fdtv->avc_mutex); 1329 1330 return ret; 1331 } 1332 1333 #define CMP_OUTPUT_PLUG_CONTROL_REG_0 0xfffff0000904ULL 1334 1335 static int cmp_read(struct firedtv *fdtv, u64 addr, __be32 *data) 1336 { 1337 int ret; 1338 1339 ret = fdtv_read(fdtv, addr, data); 1340 if (ret < 0) 1341 dev_err(fdtv->device, "CMP: read I/O error\n"); 1342 1343 return ret; 1344 } 1345 1346 static int cmp_lock(struct firedtv *fdtv, u64 addr, __be32 data[]) 1347 { 1348 int ret; 1349 1350 ret = fdtv_lock(fdtv, addr, data); 1351 if (ret < 0) 1352 dev_err(fdtv->device, "CMP: lock I/O error\n"); 1353 1354 return ret; 1355 } 1356 1357 static inline u32 get_opcr(__be32 opcr, u32 mask, u32 shift) 1358 { 1359 return (be32_to_cpu(opcr) >> shift) & mask; 1360 } 1361 1362 static inline void set_opcr(__be32 *opcr, u32 value, u32 mask, u32 shift) 1363 { 1364 *opcr &= ~cpu_to_be32(mask << shift); 1365 *opcr |= cpu_to_be32((value & mask) << shift); 1366 } 1367 1368 #define get_opcr_online(v) get_opcr((v), 0x1, 31) 1369 #define get_opcr_p2p_connections(v) get_opcr((v), 0x3f, 24) 1370 #define get_opcr_channel(v) get_opcr((v), 0x3f, 16) 1371 1372 #define set_opcr_p2p_connections(p, v) set_opcr((p), (v), 0x3f, 24) 1373 #define set_opcr_channel(p, v) set_opcr((p), (v), 0x3f, 16) 1374 #define set_opcr_data_rate(p, v) set_opcr((p), (v), 0x3, 14) 1375 #define set_opcr_overhead_id(p, v) set_opcr((p), (v), 0xf, 10) 1376 1377 int cmp_establish_pp_connection(struct firedtv *fdtv, int plug, int channel) 1378 { 1379 __be32 old_opcr, opcr[2]; 1380 u64 opcr_address = CMP_OUTPUT_PLUG_CONTROL_REG_0 + (plug << 2); 1381 int attempts = 0; 1382 int ret; 1383 1384 ret = cmp_read(fdtv, opcr_address, opcr); 1385 if (ret < 0) 1386 return ret; 1387 1388 repeat: 1389 if (!get_opcr_online(*opcr)) { 1390 dev_err(fdtv->device, "CMP: output offline\n"); 1391 return -EBUSY; 1392 } 1393 1394 old_opcr = *opcr; 1395 1396 if (get_opcr_p2p_connections(*opcr)) { 1397 if (get_opcr_channel(*opcr) != channel) { 1398 dev_err(fdtv->device, "CMP: cannot change channel\n"); 1399 return -EBUSY; 1400 } 1401 dev_info(fdtv->device, "CMP: overlaying connection\n"); 1402 1403 /* We don't allocate isochronous resources. */ 1404 } else { 1405 set_opcr_channel(opcr, channel); 1406 set_opcr_data_rate(opcr, 2); /* S400 */ 1407 1408 /* FIXME: this is for the worst case - optimize */ 1409 set_opcr_overhead_id(opcr, 0); 1410 1411 /* FIXME: allocate isochronous channel and bandwidth at IRM */ 1412 } 1413 1414 set_opcr_p2p_connections(opcr, get_opcr_p2p_connections(*opcr) + 1); 1415 1416 opcr[1] = *opcr; 1417 opcr[0] = old_opcr; 1418 1419 ret = cmp_lock(fdtv, opcr_address, opcr); 1420 if (ret < 0) 1421 return ret; 1422 1423 if (old_opcr != *opcr) { 1424 /* 1425 * FIXME: if old_opcr.P2P_Connections > 0, 1426 * deallocate isochronous channel and bandwidth at IRM 1427 */ 1428 1429 if (++attempts < 6) /* arbitrary limit */ 1430 goto repeat; 1431 return -EBUSY; 1432 } 1433 1434 return 0; 1435 } 1436 1437 void cmp_break_pp_connection(struct firedtv *fdtv, int plug, int channel) 1438 { 1439 __be32 old_opcr, opcr[2]; 1440 u64 opcr_address = CMP_OUTPUT_PLUG_CONTROL_REG_0 + (plug << 2); 1441 int attempts = 0; 1442 1443 if (cmp_read(fdtv, opcr_address, opcr) < 0) 1444 return; 1445 1446 repeat: 1447 if (!get_opcr_online(*opcr) || !get_opcr_p2p_connections(*opcr) || 1448 get_opcr_channel(*opcr) != channel) { 1449 dev_err(fdtv->device, "CMP: no connection to break\n"); 1450 return; 1451 } 1452 1453 old_opcr = *opcr; 1454 set_opcr_p2p_connections(opcr, get_opcr_p2p_connections(*opcr) - 1); 1455 1456 opcr[1] = *opcr; 1457 opcr[0] = old_opcr; 1458 1459 if (cmp_lock(fdtv, opcr_address, opcr) < 0) 1460 return; 1461 1462 if (old_opcr != *opcr) { 1463 /* 1464 * FIXME: if old_opcr.P2P_Connections == 1, i.e. we were last 1465 * owner, deallocate isochronous channel and bandwidth at IRM 1466 * if (...) 1467 * fdtv->backend->dealloc_resources(fdtv, channel, bw); 1468 */ 1469 1470 if (++attempts < 6) /* arbitrary limit */ 1471 goto repeat; 1472 } 1473 } 1474