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 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 < length) { 1171 c->operand[write_pos++] = msg[read_pos++]; 1172 c->operand[write_pos++] = msg[read_pos++]; 1173 c->operand[write_pos++] = msg[read_pos++]; 1174 es_info_length = 1175 ((msg[read_pos] & 0x0f) << 8) + msg[read_pos + 1]; 1176 read_pos += 2; 1177 if (es_info_length > 0) 1178 es_info_length--; /* Remove pmt_cmd_id */ 1179 c->operand[write_pos++] = es_info_length >> 8; 1180 c->operand[write_pos++] = es_info_length & 0xff; 1181 if (es_info_length > 0) { 1182 pmt_cmd_id = msg[read_pos++]; 1183 if (pmt_cmd_id != 1 && pmt_cmd_id != 4) 1184 dev_err(fdtv->device, "invalid pmt_cmd_id %d " 1185 "at stream level\n", pmt_cmd_id); 1186 1187 if (es_info_length > sizeof(c->operand) - 4 - 1188 write_pos) { 1189 ret = -EINVAL; 1190 goto out; 1191 } 1192 1193 memcpy(&c->operand[write_pos], &msg[read_pos], 1194 es_info_length); 1195 read_pos += es_info_length; 1196 write_pos += es_info_length; 1197 } 1198 } 1199 write_pos += 4; /* CRC */ 1200 1201 c->operand[7] = 0x82; 1202 c->operand[8] = (write_pos - 10) >> 8; 1203 c->operand[9] = (write_pos - 10) & 0xff; 1204 c->operand[14] = write_pos - 15; 1205 1206 crc32_csum = crc32_be(0, &c->operand[10], c->operand[12] - 1); 1207 c->operand[write_pos - 4] = (crc32_csum >> 24) & 0xff; 1208 c->operand[write_pos - 3] = (crc32_csum >> 16) & 0xff; 1209 c->operand[write_pos - 2] = (crc32_csum >> 8) & 0xff; 1210 c->operand[write_pos - 1] = (crc32_csum >> 0) & 0xff; 1211 pad_operands(c, write_pos); 1212 1213 fdtv->avc_data_length = ALIGN(3 + write_pos, 4); 1214 ret = avc_write(fdtv); 1215 if (ret < 0) 1216 goto out; 1217 1218 if (r->response != AVC_RESPONSE_ACCEPTED) { 1219 dev_err(fdtv->device, 1220 "CA PMT failed with response 0x%x\n", r->response); 1221 ret = -EACCES; 1222 } 1223 out: 1224 mutex_unlock(&fdtv->avc_mutex); 1225 1226 return ret; 1227 } 1228 1229 int avc_ca_get_time_date(struct firedtv *fdtv, int *interval) 1230 { 1231 struct avc_command_frame *c = (void *)fdtv->avc_data; 1232 struct avc_response_frame *r = (void *)fdtv->avc_data; 1233 int ret; 1234 1235 mutex_lock(&fdtv->avc_mutex); 1236 1237 c->ctype = AVC_CTYPE_STATUS; 1238 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 1239 c->opcode = AVC_OPCODE_VENDOR; 1240 1241 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 1242 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 1243 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 1244 c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; 1245 c->operand[4] = 0; /* slot */ 1246 c->operand[5] = SFE_VENDOR_TAG_CA_DATE_TIME; /* ca tag */ 1247 clear_operands(c, 6, LAST_OPERAND); 1248 1249 fdtv->avc_data_length = 12; 1250 ret = avc_write(fdtv); 1251 if (ret < 0) 1252 goto out; 1253 1254 /* FIXME: check response code and validate response data */ 1255 1256 *interval = r->operand[get_ca_object_pos(r)]; 1257 out: 1258 mutex_unlock(&fdtv->avc_mutex); 1259 1260 return ret; 1261 } 1262 1263 int avc_ca_enter_menu(struct firedtv *fdtv) 1264 { 1265 struct avc_command_frame *c = (void *)fdtv->avc_data; 1266 int ret; 1267 1268 mutex_lock(&fdtv->avc_mutex); 1269 1270 c->ctype = AVC_CTYPE_STATUS; 1271 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 1272 c->opcode = AVC_OPCODE_VENDOR; 1273 1274 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 1275 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 1276 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 1277 c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA; 1278 c->operand[4] = 0; /* slot */ 1279 c->operand[5] = SFE_VENDOR_TAG_CA_ENTER_MENU; 1280 clear_operands(c, 6, 8); 1281 1282 fdtv->avc_data_length = 12; 1283 ret = avc_write(fdtv); 1284 1285 /* FIXME: check response code? */ 1286 1287 mutex_unlock(&fdtv->avc_mutex); 1288 1289 return ret; 1290 } 1291 1292 int avc_ca_get_mmi(struct firedtv *fdtv, char *mmi_object, unsigned int *len) 1293 { 1294 struct avc_command_frame *c = (void *)fdtv->avc_data; 1295 struct avc_response_frame *r = (void *)fdtv->avc_data; 1296 int ret; 1297 1298 mutex_lock(&fdtv->avc_mutex); 1299 1300 c->ctype = AVC_CTYPE_STATUS; 1301 c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; 1302 c->opcode = AVC_OPCODE_VENDOR; 1303 1304 c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; 1305 c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; 1306 c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; 1307 c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; 1308 c->operand[4] = 0; /* slot */ 1309 c->operand[5] = SFE_VENDOR_TAG_CA_MMI; 1310 clear_operands(c, 6, LAST_OPERAND); 1311 1312 fdtv->avc_data_length = 12; 1313 ret = avc_write(fdtv); 1314 if (ret < 0) 1315 goto out; 1316 1317 /* FIXME: check response code and validate response data */ 1318 1319 *len = get_ca_object_length(r); 1320 memcpy(mmi_object, &r->operand[get_ca_object_pos(r)], *len); 1321 out: 1322 mutex_unlock(&fdtv->avc_mutex); 1323 1324 return ret; 1325 } 1326 1327 #define CMP_OUTPUT_PLUG_CONTROL_REG_0 0xfffff0000904ULL 1328 1329 static int cmp_read(struct firedtv *fdtv, u64 addr, __be32 *data) 1330 { 1331 int ret; 1332 1333 ret = fdtv_read(fdtv, addr, data); 1334 if (ret < 0) 1335 dev_err(fdtv->device, "CMP: read I/O error\n"); 1336 1337 return ret; 1338 } 1339 1340 static int cmp_lock(struct firedtv *fdtv, u64 addr, __be32 data[]) 1341 { 1342 int ret; 1343 1344 ret = fdtv_lock(fdtv, addr, data); 1345 if (ret < 0) 1346 dev_err(fdtv->device, "CMP: lock I/O error\n"); 1347 1348 return ret; 1349 } 1350 1351 static inline u32 get_opcr(__be32 opcr, u32 mask, u32 shift) 1352 { 1353 return (be32_to_cpu(opcr) >> shift) & mask; 1354 } 1355 1356 static inline void set_opcr(__be32 *opcr, u32 value, u32 mask, u32 shift) 1357 { 1358 *opcr &= ~cpu_to_be32(mask << shift); 1359 *opcr |= cpu_to_be32((value & mask) << shift); 1360 } 1361 1362 #define get_opcr_online(v) get_opcr((v), 0x1, 31) 1363 #define get_opcr_p2p_connections(v) get_opcr((v), 0x3f, 24) 1364 #define get_opcr_channel(v) get_opcr((v), 0x3f, 16) 1365 1366 #define set_opcr_p2p_connections(p, v) set_opcr((p), (v), 0x3f, 24) 1367 #define set_opcr_channel(p, v) set_opcr((p), (v), 0x3f, 16) 1368 #define set_opcr_data_rate(p, v) set_opcr((p), (v), 0x3, 14) 1369 #define set_opcr_overhead_id(p, v) set_opcr((p), (v), 0xf, 10) 1370 1371 int cmp_establish_pp_connection(struct firedtv *fdtv, int plug, int channel) 1372 { 1373 __be32 old_opcr, opcr[2]; 1374 u64 opcr_address = CMP_OUTPUT_PLUG_CONTROL_REG_0 + (plug << 2); 1375 int attempts = 0; 1376 int ret; 1377 1378 ret = cmp_read(fdtv, opcr_address, opcr); 1379 if (ret < 0) 1380 return ret; 1381 1382 repeat: 1383 if (!get_opcr_online(*opcr)) { 1384 dev_err(fdtv->device, "CMP: output offline\n"); 1385 return -EBUSY; 1386 } 1387 1388 old_opcr = *opcr; 1389 1390 if (get_opcr_p2p_connections(*opcr)) { 1391 if (get_opcr_channel(*opcr) != channel) { 1392 dev_err(fdtv->device, "CMP: cannot change channel\n"); 1393 return -EBUSY; 1394 } 1395 dev_info(fdtv->device, "CMP: overlaying connection\n"); 1396 1397 /* We don't allocate isochronous resources. */ 1398 } else { 1399 set_opcr_channel(opcr, channel); 1400 set_opcr_data_rate(opcr, 2); /* S400 */ 1401 1402 /* FIXME: this is for the worst case - optimize */ 1403 set_opcr_overhead_id(opcr, 0); 1404 1405 /* FIXME: allocate isochronous channel and bandwidth at IRM */ 1406 } 1407 1408 set_opcr_p2p_connections(opcr, get_opcr_p2p_connections(*opcr) + 1); 1409 1410 opcr[1] = *opcr; 1411 opcr[0] = old_opcr; 1412 1413 ret = cmp_lock(fdtv, opcr_address, opcr); 1414 if (ret < 0) 1415 return ret; 1416 1417 if (old_opcr != *opcr) { 1418 /* 1419 * FIXME: if old_opcr.P2P_Connections > 0, 1420 * deallocate isochronous channel and bandwidth at IRM 1421 */ 1422 1423 if (++attempts < 6) /* arbitrary limit */ 1424 goto repeat; 1425 return -EBUSY; 1426 } 1427 1428 return 0; 1429 } 1430 1431 void cmp_break_pp_connection(struct firedtv *fdtv, int plug, int channel) 1432 { 1433 __be32 old_opcr, opcr[2]; 1434 u64 opcr_address = CMP_OUTPUT_PLUG_CONTROL_REG_0 + (plug << 2); 1435 int attempts = 0; 1436 1437 if (cmp_read(fdtv, opcr_address, opcr) < 0) 1438 return; 1439 1440 repeat: 1441 if (!get_opcr_online(*opcr) || !get_opcr_p2p_connections(*opcr) || 1442 get_opcr_channel(*opcr) != channel) { 1443 dev_err(fdtv->device, "CMP: no connection to break\n"); 1444 return; 1445 } 1446 1447 old_opcr = *opcr; 1448 set_opcr_p2p_connections(opcr, get_opcr_p2p_connections(*opcr) - 1); 1449 1450 opcr[1] = *opcr; 1451 opcr[0] = old_opcr; 1452 1453 if (cmp_lock(fdtv, opcr_address, opcr) < 0) 1454 return; 1455 1456 if (old_opcr != *opcr) { 1457 /* 1458 * FIXME: if old_opcr.P2P_Connections == 1, i.e. we were last 1459 * owner, deallocate isochronous channel and bandwidth at IRM 1460 * if (...) 1461 * fdtv->backend->dealloc_resources(fdtv, channel, bw); 1462 */ 1463 1464 if (++attempts < 6) /* arbitrary limit */ 1465 goto repeat; 1466 } 1467 } 1468