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1// SPDX-License-Identifier: GPL-2.0-or-later2/*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 0xfffff0000b00ULL28 29#define AVC_CTYPE_CONTROL 0x030#define AVC_CTYPE_STATUS 0x131#define AVC_CTYPE_NOTIFY 0x332 33#define AVC_RESPONSE_ACCEPTED 0x934#define AVC_RESPONSE_STABLE 0xc35#define AVC_RESPONSE_CHANGED 0xd36#define AVC_RESPONSE_INTERIM 0xf37 38#define AVC_SUBUNIT_TYPE_TUNER (0x05 << 3)39#define AVC_SUBUNIT_TYPE_UNIT (0x1f << 3)40 41#define AVC_OPCODE_VENDOR 0x0042#define AVC_OPCODE_READ_DESCRIPTOR 0x0943#define AVC_OPCODE_DSIT 0xc844#define AVC_OPCODE_DSD 0xcb45 46#define DESCRIPTOR_TUNER_STATUS 0x8047#define DESCRIPTOR_SUBUNIT_IDENTIFIER 0x0048 49#define SFE_VENDOR_DE_COMPANYID_0 0x00 /* OUI of Digital Everywhere */50#define SFE_VENDOR_DE_COMPANYID_1 0x1251#define SFE_VENDOR_DE_COMPANYID_2 0x8752 53#define SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL 0x0a54#define SFE_VENDOR_OPCODE_LNB_CONTROL 0x5255#define SFE_VENDOR_OPCODE_TUNE_QPSK 0x58 /* for DVB-S */56 57#define SFE_VENDOR_OPCODE_GET_FIRMWARE_VERSION 0x0058#define SFE_VENDOR_OPCODE_HOST2CA 0x5659#define SFE_VENDOR_OPCODE_CA2HOST 0x5760#define SFE_VENDOR_OPCODE_CISTATUS 0x5961#define SFE_VENDOR_OPCODE_TUNE_QPSK2 0x60 /* for DVB-S2 */62 63#define SFE_VENDOR_TAG_CA_RESET 0x0064#define SFE_VENDOR_TAG_CA_APPLICATION_INFO 0x0165#define SFE_VENDOR_TAG_CA_PMT 0x0266#define SFE_VENDOR_TAG_CA_DATE_TIME 0x0467#define SFE_VENDOR_TAG_CA_MMI 0x0568#define SFE_VENDOR_TAG_CA_ENTER_MENU 0x0769 70#define EN50221_LIST_MANAGEMENT_ONLY 0x0371#define EN50221_TAG_APP_INFO 0x9f802172#define EN50221_TAG_CA_INFO 0x9f803173 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 0x0001104#define AVC_DEBUG_DSIT 0x0002105#define AVC_DEBUG_DSD 0x0004106#define AVC_DEBUG_REGISTER_REMOTE_CONTROL 0x0008107#define AVC_DEBUG_LNB_CONTROL 0x0010108#define AVC_DEBUG_TUNE_QPSK 0x0020109#define AVC_DEBUG_TUNE_QPSK2 0x0040110#define AVC_DEBUG_HOST2CA 0x0080111#define AVC_DEBUG_CA2HOST 0x0100112#define AVC_DEBUG_APPLICATION_PMT 0x4000113#define AVC_DEBUG_FCP_PAYLOADS 0x8000114 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 retrieve133 * ca_info using AVC. If this parameter is not used, ca_system_id will be134 * 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 frequency331 * (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 else346 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 else373 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 else380 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 0608 /*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#endif616unlock: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 22750 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]: reserved767 * operand[3]: SIZEOF_ANTENNA_INPUT_INFO >> 8768 * operand[4]: SIZEOF_ANTENNA_INPUT_INFO & 0xff769 */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#endif943 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#endif966 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 0xfffff0000904ULL1336 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 IRM1429 */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 last1467 * owner, deallocate isochronous channel and bandwidth at IRM1468 * if (...)1469 * fdtv->backend->dealloc_resources(fdtv, channel, bw);1470 */1471 1472 if (++attempts < 6) /* arbitrary limit */1473 goto repeat;1474 }1475}1476