1 // SPDX-License-Identifier: GPL-2.0-only 2 /* DVB USB compliant linux driver for 3 * 4 * DM04/QQBOX DVB-S USB BOX LME2510C + SHARP:BS2F7HZ7395 5 * LME2510C + LG TDQY-P001F 6 * LME2510C + BS2F7HZ0194 7 * LME2510 + LG TDQY-P001F 8 * LME2510 + BS2F7HZ0194 9 * 10 * MVB7395 (LME2510C+SHARP:BS2F7HZ7395) 11 * SHARP:BS2F7HZ7395 = (STV0288+Sharp IX2505V) 12 * 13 * MV001F (LME2510+LGTDQY-P001F) 14 * LG TDQY - P001F =(TDA8263 + TDA10086H) 15 * 16 * MVB0001F (LME2510C+LGTDQT-P001F) 17 * 18 * MV0194 (LME2510+SHARP:BS2F7HZ0194) 19 * SHARP:BS2F7HZ0194 = (STV0299+IX2410) 20 * 21 * MVB0194 (LME2510C+SHARP0194) 22 * 23 * LME2510C + M88RS2000 24 * 25 * For firmware see Documentation/admin-guide/media/lmedm04.rst 26 * 27 * I2C addresses: 28 * 0xd0 - STV0288 - Demodulator 29 * 0xc0 - Sharp IX2505V - Tuner 30 * -- 31 * 0x1c - TDA10086 - Demodulator 32 * 0xc0 - TDA8263 - Tuner 33 * -- 34 * 0xd0 - STV0299 - Demodulator 35 * 0xc0 - IX2410 - Tuner 36 * 37 * VID = 3344 PID LME2510=1122 LME2510C=1120 38 * 39 * Copyright (C) 2010 Malcolm Priestley (tvboxspy@gmail.com) 40 * LME2510(C)(C) Leaguerme (Shenzhen) MicroElectronics Co., Ltd. 41 * 42 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information 43 * 44 * Known Issues : 45 * LME2510: Non Intel USB chipsets fail to maintain High Speed on 46 * Boot or Hot Plug. 47 * 48 * QQbox suffers from noise on LNB voltage. 49 * 50 * LME2510: SHARP:BS2F7HZ0194(MV0194) cannot cold reset and share system 51 * with other tuners. After a cold reset streaming will not start. 52 * 53 * M88RS2000 suffers from loss of lock. 54 */ 55 #define DVB_USB_LOG_PREFIX "LME2510(C)" 56 #include <linux/usb.h> 57 #include <linux/usb/input.h> 58 #include <media/rc-core.h> 59 60 #include "dvb_usb.h" 61 #include "lmedm04.h" 62 #include "tda826x.h" 63 #include "tda10086.h" 64 #include "stv0288.h" 65 #include "ix2505v.h" 66 #include "stv0299.h" 67 #include "dvb-pll.h" 68 #include "z0194a.h" 69 #include "m88rs2000.h" 70 #include "ts2020.h" 71 72 73 #define LME2510_C_S7395 "dvb-usb-lme2510c-s7395.fw"; 74 #define LME2510_C_LG "dvb-usb-lme2510c-lg.fw"; 75 #define LME2510_C_S0194 "dvb-usb-lme2510c-s0194.fw"; 76 #define LME2510_C_RS2000 "dvb-usb-lme2510c-rs2000.fw"; 77 #define LME2510_LG "dvb-usb-lme2510-lg.fw"; 78 #define LME2510_S0194 "dvb-usb-lme2510-s0194.fw"; 79 80 /* debug */ 81 static int dvb_usb_lme2510_debug; 82 #define lme_debug(var, level, args...) do { \ 83 if ((var >= level)) \ 84 pr_debug(DVB_USB_LOG_PREFIX": " args); \ 85 } while (0) 86 #define deb_info(level, args...) lme_debug(dvb_usb_lme2510_debug, level, args) 87 #define debug_data_snipet(level, name, p) \ 88 deb_info(level, name" (%8phN)", p); 89 #define info(args...) pr_info(DVB_USB_LOG_PREFIX": "args) 90 91 module_param_named(debug, dvb_usb_lme2510_debug, int, 0644); 92 MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))."); 93 94 static int dvb_usb_lme2510_firmware; 95 module_param_named(firmware, dvb_usb_lme2510_firmware, int, 0644); 96 MODULE_PARM_DESC(firmware, "set default firmware 0=Sharp7395 1=LG"); 97 98 static int pid_filter; 99 module_param_named(pid, pid_filter, int, 0644); 100 MODULE_PARM_DESC(pid, "set default 0=default 1=off 2=on"); 101 102 103 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 104 105 #define TUNER_DEFAULT 0x0 106 #define TUNER_LG 0x1 107 #define TUNER_S7395 0x2 108 #define TUNER_S0194 0x3 109 #define TUNER_RS2000 0x4 110 111 struct lme2510_state { 112 unsigned long int_urb_due; 113 enum fe_status lock_status; 114 u8 id; 115 u8 tuner_config; 116 u8 signal_level; 117 u8 signal_sn; 118 u8 time_key; 119 u8 i2c_talk_onoff; 120 u8 i2c_gate; 121 u8 i2c_tuner_gate_w; 122 u8 i2c_tuner_gate_r; 123 u8 i2c_tuner_addr; 124 u8 stream_on; 125 u8 pid_size; 126 u8 pid_off; 127 u8 int_buffer[128]; 128 struct urb *lme_urb; 129 u8 usb_buffer[64]; 130 /* Frontend original calls */ 131 int (*fe_read_status)(struct dvb_frontend *, enum fe_status *); 132 int (*fe_read_signal_strength)(struct dvb_frontend *, u16 *); 133 int (*fe_read_snr)(struct dvb_frontend *, u16 *); 134 int (*fe_read_ber)(struct dvb_frontend *, u32 *); 135 int (*fe_read_ucblocks)(struct dvb_frontend *, u32 *); 136 int (*fe_set_voltage)(struct dvb_frontend *, enum fe_sec_voltage); 137 u8 dvb_usb_lme2510_firmware; 138 }; 139 140 static int lme2510_usb_talk(struct dvb_usb_device *d, 141 u8 *wbuf, int wlen, u8 *rbuf, int rlen) 142 { 143 struct lme2510_state *st = d->priv; 144 int ret = 0; 145 146 if (max(wlen, rlen) > sizeof(st->usb_buffer)) 147 return -EINVAL; 148 149 ret = mutex_lock_interruptible(&d->usb_mutex); 150 if (ret < 0) 151 return -EAGAIN; 152 153 memcpy(st->usb_buffer, wbuf, wlen); 154 155 ret = dvb_usbv2_generic_rw_locked(d, st->usb_buffer, wlen, 156 st->usb_buffer, rlen); 157 158 if (rlen) 159 memcpy(rbuf, st->usb_buffer, rlen); 160 161 mutex_unlock(&d->usb_mutex); 162 163 return ret; 164 } 165 166 static int lme2510_stream_restart(struct dvb_usb_device *d) 167 { 168 struct lme2510_state *st = d->priv; 169 u8 all_pids[] = LME_ALL_PIDS; 170 u8 stream_on[] = LME_ST_ON_W; 171 u8 rbuff[1]; 172 if (st->pid_off) 173 lme2510_usb_talk(d, all_pids, sizeof(all_pids), 174 rbuff, sizeof(rbuff)); 175 /*Restart Stream Command*/ 176 return lme2510_usb_talk(d, stream_on, sizeof(stream_on), 177 rbuff, sizeof(rbuff)); 178 } 179 180 static int lme2510_enable_pid(struct dvb_usb_device *d, u8 index, u16 pid_out) 181 { 182 struct lme2510_state *st = d->priv; 183 static u8 pid_buff[] = LME_ZERO_PID; 184 static u8 rbuf[1]; 185 u8 pid_no = index * 2; 186 u8 pid_len = pid_no + 2; 187 int ret = 0; 188 deb_info(1, "PID Setting Pid %04x", pid_out); 189 190 if (st->pid_size == 0) 191 ret |= lme2510_stream_restart(d); 192 193 pid_buff[2] = pid_no; 194 pid_buff[3] = (u8)pid_out & 0xff; 195 pid_buff[4] = pid_no + 1; 196 pid_buff[5] = (u8)(pid_out >> 8); 197 198 if (pid_len > st->pid_size) 199 st->pid_size = pid_len; 200 pid_buff[7] = 0x80 + st->pid_size; 201 202 ret |= lme2510_usb_talk(d, pid_buff , 203 sizeof(pid_buff) , rbuf, sizeof(rbuf)); 204 205 if (st->stream_on) 206 ret |= lme2510_stream_restart(d); 207 208 return ret; 209 } 210 211 /* Convert range from 0x00-0xff to 0x0000-0xffff */ 212 #define reg_to_16bits(x) ((x) | ((x) << 8)) 213 214 static void lme2510_update_stats(struct dvb_usb_adapter *adap) 215 { 216 struct lme2510_state *st = adap_to_priv(adap); 217 struct dvb_frontend *fe = adap->fe[0]; 218 struct dtv_frontend_properties *c; 219 u32 s_tmp = 0, c_tmp = 0; 220 221 if (!fe) 222 return; 223 224 c = &fe->dtv_property_cache; 225 226 c->block_count.len = 1; 227 c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 228 c->block_error.len = 1; 229 c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 230 c->post_bit_count.len = 1; 231 c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 232 c->post_bit_error.len = 1; 233 c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 234 235 if (st->i2c_talk_onoff) { 236 c->strength.len = 1; 237 c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 238 c->cnr.len = 1; 239 c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; 240 return; 241 } 242 243 switch (st->tuner_config) { 244 case TUNER_LG: 245 s_tmp = reg_to_16bits(0xff - st->signal_level); 246 c_tmp = reg_to_16bits(0xff - st->signal_sn); 247 break; 248 case TUNER_S7395: 249 case TUNER_S0194: 250 s_tmp = 0xffff - (((st->signal_level * 2) << 8) * 5 / 4); 251 c_tmp = reg_to_16bits((0xff - st->signal_sn - 0xa1) * 3); 252 break; 253 case TUNER_RS2000: 254 s_tmp = reg_to_16bits(st->signal_level); 255 c_tmp = reg_to_16bits(st->signal_sn); 256 } 257 258 c->strength.len = 1; 259 c->strength.stat[0].scale = FE_SCALE_RELATIVE; 260 c->strength.stat[0].uvalue = (u64)s_tmp; 261 262 c->cnr.len = 1; 263 c->cnr.stat[0].scale = FE_SCALE_RELATIVE; 264 c->cnr.stat[0].uvalue = (u64)c_tmp; 265 } 266 267 static void lme2510_int_response(struct urb *lme_urb) 268 { 269 struct dvb_usb_adapter *adap = lme_urb->context; 270 struct lme2510_state *st = adap_to_priv(adap); 271 u8 *ibuf, *rbuf; 272 int i = 0, offset; 273 u32 key; 274 u8 signal_lock = 0; 275 276 switch (lme_urb->status) { 277 case 0: 278 case -ETIMEDOUT: 279 break; 280 case -ECONNRESET: 281 case -ENOENT: 282 case -ESHUTDOWN: 283 return; 284 default: 285 info("Error %x", lme_urb->status); 286 break; 287 } 288 289 rbuf = (u8 *) lme_urb->transfer_buffer; 290 291 offset = ((lme_urb->actual_length/8) > 4) 292 ? 4 : (lme_urb->actual_length/8) ; 293 294 for (i = 0; i < offset; ++i) { 295 ibuf = (u8 *)&rbuf[i*8]; 296 deb_info(5, "INT O/S C =%02x C/O=%02x Type =%02x%02x", 297 offset, i, ibuf[0], ibuf[1]); 298 299 switch (ibuf[0]) { 300 case 0xaa: 301 debug_data_snipet(1, "INT Remote data snippet", ibuf); 302 if (!adap_to_d(adap)->rc_dev) 303 break; 304 305 key = RC_SCANCODE_NEC32(ibuf[2] << 24 | 306 ibuf[3] << 16 | 307 ibuf[4] << 8 | 308 ibuf[5]); 309 310 deb_info(1, "INT Key = 0x%08x", key); 311 rc_keydown(adap_to_d(adap)->rc_dev, RC_PROTO_NEC32, key, 312 0); 313 break; 314 case 0xbb: 315 switch (st->tuner_config) { 316 case TUNER_LG: 317 signal_lock = ibuf[2] & BIT(5); 318 st->signal_level = ibuf[4]; 319 st->signal_sn = ibuf[3]; 320 st->time_key = ibuf[7]; 321 break; 322 case TUNER_S7395: 323 case TUNER_S0194: 324 /* Tweak for earlier firmware*/ 325 if (ibuf[1] == 0x03) { 326 signal_lock = ibuf[2] & BIT(4); 327 st->signal_level = ibuf[3]; 328 st->signal_sn = ibuf[4]; 329 } else { 330 st->signal_level = ibuf[4]; 331 st->signal_sn = ibuf[5]; 332 } 333 break; 334 case TUNER_RS2000: 335 signal_lock = ibuf[2] & 0xee; 336 st->signal_level = ibuf[5]; 337 st->signal_sn = ibuf[4]; 338 st->time_key = ibuf[7]; 339 break; 340 default: 341 break; 342 } 343 344 /* Interrupt will also throw just BIT 0 as lock */ 345 signal_lock |= ibuf[2] & BIT(0); 346 347 if (!signal_lock) 348 st->lock_status &= ~FE_HAS_LOCK; 349 350 lme2510_update_stats(adap); 351 352 debug_data_snipet(5, "INT Remote data snippet in", ibuf); 353 break; 354 case 0xcc: 355 debug_data_snipet(1, "INT Control data snippet", ibuf); 356 break; 357 default: 358 debug_data_snipet(1, "INT Unknown data snippet", ibuf); 359 break; 360 } 361 } 362 363 usb_submit_urb(lme_urb, GFP_ATOMIC); 364 365 /* Interrupt urb is due every 48 msecs while streaming the buffer 366 * stores up to 4 periods if missed. Allow 200 msec for next interrupt. 367 */ 368 st->int_urb_due = jiffies + msecs_to_jiffies(200); 369 } 370 371 static int lme2510_int_read(struct dvb_usb_adapter *adap) 372 { 373 struct dvb_usb_device *d = adap_to_d(adap); 374 struct lme2510_state *lme_int = adap_to_priv(adap); 375 struct usb_host_endpoint *ep; 376 377 lme_int->lme_urb = usb_alloc_urb(0, GFP_KERNEL); 378 379 if (lme_int->lme_urb == NULL) 380 return -ENOMEM; 381 382 usb_fill_int_urb(lme_int->lme_urb, 383 d->udev, 384 usb_rcvintpipe(d->udev, 0xa), 385 lme_int->int_buffer, 386 sizeof(lme_int->int_buffer), 387 lme2510_int_response, 388 adap, 389 8); 390 391 /* Quirk of pipe reporting PIPE_BULK but behaves as interrupt */ 392 ep = usb_pipe_endpoint(d->udev, lme_int->lme_urb->pipe); 393 394 if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK) 395 lme_int->lme_urb->pipe = usb_rcvbulkpipe(d->udev, 0xa); 396 397 usb_submit_urb(lme_int->lme_urb, GFP_KERNEL); 398 info("INT Interrupt Service Started"); 399 400 return 0; 401 } 402 403 static int lme2510_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff) 404 { 405 struct dvb_usb_device *d = adap_to_d(adap); 406 struct lme2510_state *st = adap_to_priv(adap); 407 static u8 clear_pid_reg[] = LME_ALL_PIDS; 408 static u8 rbuf[1]; 409 int ret = 0; 410 411 deb_info(1, "PID Clearing Filter"); 412 413 mutex_lock(&d->i2c_mutex); 414 415 if (!onoff) { 416 ret |= lme2510_usb_talk(d, clear_pid_reg, 417 sizeof(clear_pid_reg), rbuf, sizeof(rbuf)); 418 st->pid_off = true; 419 } else 420 st->pid_off = false; 421 422 st->pid_size = 0; 423 424 mutex_unlock(&d->i2c_mutex); 425 426 return 0; 427 } 428 429 static int lme2510_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, 430 int onoff) 431 { 432 struct dvb_usb_device *d = adap_to_d(adap); 433 int ret = 0; 434 435 deb_info(3, "%s PID=%04x Index=%04x onoff=%02x", __func__, 436 pid, index, onoff); 437 438 if (onoff) { 439 mutex_lock(&d->i2c_mutex); 440 ret |= lme2510_enable_pid(d, index, pid); 441 mutex_unlock(&d->i2c_mutex); 442 } 443 444 445 return ret; 446 } 447 448 449 static int lme2510_return_status(struct dvb_usb_device *d) 450 { 451 int ret; 452 u8 *data; 453 454 data = kzalloc(6, GFP_KERNEL); 455 if (!data) 456 return -ENOMEM; 457 458 ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), 459 0x06, 0x80, 0x0302, 0x00, 460 data, 0x6, 200); 461 if (ret != 6) 462 ret = -EINVAL; 463 else 464 ret = data[2]; 465 466 info("Firmware Status: %6ph", data); 467 468 kfree(data); 469 return ret; 470 } 471 472 static int lme2510_msg(struct dvb_usb_device *d, 473 u8 *wbuf, int wlen, u8 *rbuf, int rlen) 474 { 475 struct lme2510_state *st = d->priv; 476 477 st->i2c_talk_onoff = 1; 478 479 return lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen); 480 } 481 482 static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], 483 int num) 484 { 485 struct dvb_usb_device *d = i2c_get_adapdata(adap); 486 struct lme2510_state *st = d->priv; 487 static u8 obuf[64], ibuf[64]; 488 int i, read, read_o; 489 u16 len; 490 u8 gate; 491 492 mutex_lock(&d->i2c_mutex); 493 494 for (i = 0; i < num; i++) { 495 read_o = msg[i].flags & I2C_M_RD; 496 read = i + 1 < num && msg[i + 1].flags & I2C_M_RD; 497 read |= read_o; 498 gate = (msg[i].addr == st->i2c_tuner_addr) 499 ? (read) ? st->i2c_tuner_gate_r 500 : st->i2c_tuner_gate_w 501 : st->i2c_gate; 502 obuf[0] = gate | (read << 7); 503 504 if (gate == 5) 505 obuf[1] = (read) ? 2 : msg[i].len + 1; 506 else 507 obuf[1] = msg[i].len + read + 1; 508 509 obuf[2] = msg[i].addr << 1; 510 511 if (read) { 512 if (read_o) 513 len = 3; 514 else { 515 memcpy(&obuf[3], msg[i].buf, msg[i].len); 516 obuf[msg[i].len+3] = msg[i+1].len; 517 len = msg[i].len+4; 518 } 519 } else { 520 memcpy(&obuf[3], msg[i].buf, msg[i].len); 521 len = msg[i].len+3; 522 } 523 524 if (lme2510_msg(d, obuf, len, ibuf, 64) < 0) { 525 deb_info(1, "i2c transfer failed."); 526 mutex_unlock(&d->i2c_mutex); 527 return -EAGAIN; 528 } 529 530 if (read) { 531 if (read_o) 532 memcpy(msg[i].buf, &ibuf[1], msg[i].len); 533 else { 534 memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len); 535 i++; 536 } 537 } 538 } 539 540 mutex_unlock(&d->i2c_mutex); 541 return i; 542 } 543 544 static u32 lme2510_i2c_func(struct i2c_adapter *adapter) 545 { 546 return I2C_FUNC_I2C; 547 } 548 549 static struct i2c_algorithm lme2510_i2c_algo = { 550 .master_xfer = lme2510_i2c_xfer, 551 .functionality = lme2510_i2c_func, 552 }; 553 554 static int lme2510_streaming_ctrl(struct dvb_frontend *fe, int onoff) 555 { 556 struct dvb_usb_adapter *adap = fe_to_adap(fe); 557 struct dvb_usb_device *d = adap_to_d(adap); 558 struct lme2510_state *st = adap_to_priv(adap); 559 static u8 clear_reg_3[] = LME_ALL_PIDS; 560 static u8 rbuf[1]; 561 int ret = 0, rlen = sizeof(rbuf); 562 563 deb_info(1, "STM (%02x)", onoff); 564 565 /* Streaming is started by FE_HAS_LOCK */ 566 if (onoff == 1) 567 st->stream_on = 1; 568 else { 569 deb_info(1, "STM Steam Off"); 570 /* mutex is here only to avoid collision with I2C */ 571 mutex_lock(&d->i2c_mutex); 572 573 ret = lme2510_usb_talk(d, clear_reg_3, 574 sizeof(clear_reg_3), rbuf, rlen); 575 st->stream_on = 0; 576 st->i2c_talk_onoff = 1; 577 578 mutex_unlock(&d->i2c_mutex); 579 } 580 581 return (ret < 0) ? -ENODEV : 0; 582 } 583 584 static u8 check_sum(u8 *p, u8 len) 585 { 586 u8 sum = 0; 587 while (len--) 588 sum += *p++; 589 return sum; 590 } 591 592 static int lme2510_download_firmware(struct dvb_usb_device *d, 593 const struct firmware *fw) 594 { 595 int ret = 0; 596 u8 *data; 597 u16 j, wlen, len_in, start, end; 598 u8 packet_size, dlen, i; 599 u8 *fw_data; 600 601 packet_size = 0x31; 602 len_in = 1; 603 604 data = kzalloc(128, GFP_KERNEL); 605 if (!data) { 606 info("FRM Could not start Firmware Download"\ 607 "(Buffer allocation failed)"); 608 return -ENOMEM; 609 } 610 611 info("FRM Starting Firmware Download"); 612 613 for (i = 1; i < 3; i++) { 614 start = (i == 1) ? 0 : 512; 615 end = (i == 1) ? 512 : fw->size; 616 for (j = start; j < end; j += (packet_size+1)) { 617 fw_data = (u8 *)(fw->data + j); 618 if ((end - j) > packet_size) { 619 data[0] = i; 620 dlen = packet_size; 621 } else { 622 data[0] = i | 0x80; 623 dlen = (u8)(end - j)-1; 624 } 625 data[1] = dlen; 626 memcpy(&data[2], fw_data, dlen+1); 627 wlen = (u8) dlen + 4; 628 data[wlen-1] = check_sum(fw_data, dlen+1); 629 deb_info(1, "Data S=%02x:E=%02x CS= %02x", data[3], 630 data[dlen+2], data[dlen+3]); 631 lme2510_usb_talk(d, data, wlen, data, len_in); 632 ret |= (data[0] == 0x88) ? 0 : -1; 633 } 634 } 635 636 data[0] = 0x8a; 637 len_in = 1; 638 msleep(2000); 639 lme2510_usb_talk(d, data, len_in, data, len_in); 640 msleep(400); 641 642 if (ret < 0) 643 info("FRM Firmware Download Failed (%04x)" , ret); 644 else 645 info("FRM Firmware Download Completed - Resetting Device"); 646 647 kfree(data); 648 return RECONNECTS_USB; 649 } 650 651 static void lme_coldreset(struct dvb_usb_device *d) 652 { 653 u8 data[1] = {0}; 654 data[0] = 0x0a; 655 info("FRM Firmware Cold Reset"); 656 657 lme2510_usb_talk(d, data, sizeof(data), data, sizeof(data)); 658 659 return; 660 } 661 662 static const char fw_c_s7395[] = LME2510_C_S7395; 663 static const char fw_c_lg[] = LME2510_C_LG; 664 static const char fw_c_s0194[] = LME2510_C_S0194; 665 static const char fw_c_rs2000[] = LME2510_C_RS2000; 666 static const char fw_lg[] = LME2510_LG; 667 static const char fw_s0194[] = LME2510_S0194; 668 669 static const char *lme_firmware_switch(struct dvb_usb_device *d, int cold) 670 { 671 struct lme2510_state *st = d->priv; 672 struct usb_device *udev = d->udev; 673 const struct firmware *fw = NULL; 674 const char *fw_lme; 675 int ret = 0; 676 677 cold = (cold > 0) ? (cold & 1) : 0; 678 679 switch (le16_to_cpu(udev->descriptor.idProduct)) { 680 case 0x1122: 681 switch (st->dvb_usb_lme2510_firmware) { 682 default: 683 case TUNER_S0194: 684 fw_lme = fw_s0194; 685 ret = request_firmware(&fw, fw_lme, &udev->dev); 686 if (ret == 0) { 687 st->dvb_usb_lme2510_firmware = TUNER_S0194; 688 cold = 0; 689 break; 690 } 691 fallthrough; 692 case TUNER_LG: 693 fw_lme = fw_lg; 694 ret = request_firmware(&fw, fw_lme, &udev->dev); 695 if (ret == 0) { 696 st->dvb_usb_lme2510_firmware = TUNER_LG; 697 break; 698 } 699 st->dvb_usb_lme2510_firmware = TUNER_DEFAULT; 700 break; 701 } 702 break; 703 case 0x1120: 704 switch (st->dvb_usb_lme2510_firmware) { 705 default: 706 case TUNER_S7395: 707 fw_lme = fw_c_s7395; 708 ret = request_firmware(&fw, fw_lme, &udev->dev); 709 if (ret == 0) { 710 st->dvb_usb_lme2510_firmware = TUNER_S7395; 711 cold = 0; 712 break; 713 } 714 fallthrough; 715 case TUNER_LG: 716 fw_lme = fw_c_lg; 717 ret = request_firmware(&fw, fw_lme, &udev->dev); 718 if (ret == 0) { 719 st->dvb_usb_lme2510_firmware = TUNER_LG; 720 break; 721 } 722 fallthrough; 723 case TUNER_S0194: 724 fw_lme = fw_c_s0194; 725 ret = request_firmware(&fw, fw_lme, &udev->dev); 726 if (ret == 0) { 727 st->dvb_usb_lme2510_firmware = TUNER_S0194; 728 break; 729 } 730 st->dvb_usb_lme2510_firmware = TUNER_DEFAULT; 731 cold = 0; 732 break; 733 } 734 break; 735 case 0x22f0: 736 fw_lme = fw_c_rs2000; 737 st->dvb_usb_lme2510_firmware = TUNER_RS2000; 738 break; 739 default: 740 fw_lme = fw_c_s7395; 741 } 742 743 release_firmware(fw); 744 745 if (cold) { 746 dvb_usb_lme2510_firmware = st->dvb_usb_lme2510_firmware; 747 info("FRM Changing to %s firmware", fw_lme); 748 lme_coldreset(d); 749 return NULL; 750 } 751 752 return fw_lme; 753 } 754 755 static struct tda10086_config tda10086_config = { 756 .demod_address = 0x0e, 757 .invert = 0, 758 .diseqc_tone = 1, 759 .xtal_freq = TDA10086_XTAL_16M, 760 }; 761 762 static struct stv0288_config lme_config = { 763 .demod_address = 0x68, 764 .min_delay_ms = 15, 765 .inittab = s7395_inittab, 766 }; 767 768 static struct ix2505v_config lme_tuner = { 769 .tuner_address = 0x60, 770 .min_delay_ms = 100, 771 .tuner_gain = 0x0, 772 .tuner_chargepump = 0x3, 773 }; 774 775 static struct stv0299_config sharp_z0194_config = { 776 .demod_address = 0x68, 777 .inittab = sharp_z0194a_inittab, 778 .mclk = 88000000UL, 779 .invert = 0, 780 .skip_reinit = 0, 781 .lock_output = STV0299_LOCKOUTPUT_1, 782 .volt13_op0_op1 = STV0299_VOLT13_OP1, 783 .min_delay_ms = 100, 784 .set_symbol_rate = sharp_z0194a_set_symbol_rate, 785 }; 786 787 static struct m88rs2000_config m88rs2000_config = { 788 .demod_addr = 0x68 789 }; 790 791 static struct ts2020_config ts2020_config = { 792 .tuner_address = 0x60, 793 .clk_out_div = 7, 794 .dont_poll = true 795 }; 796 797 static int dm04_lme2510_set_voltage(struct dvb_frontend *fe, 798 enum fe_sec_voltage voltage) 799 { 800 struct dvb_usb_device *d = fe_to_d(fe); 801 struct lme2510_state *st = fe_to_priv(fe); 802 static u8 voltage_low[] = LME_VOLTAGE_L; 803 static u8 voltage_high[] = LME_VOLTAGE_H; 804 static u8 rbuf[1]; 805 int ret = 0, len = 3, rlen = 1; 806 807 mutex_lock(&d->i2c_mutex); 808 809 switch (voltage) { 810 case SEC_VOLTAGE_18: 811 ret |= lme2510_usb_talk(d, 812 voltage_high, len, rbuf, rlen); 813 break; 814 815 case SEC_VOLTAGE_OFF: 816 case SEC_VOLTAGE_13: 817 default: 818 ret |= lme2510_usb_talk(d, 819 voltage_low, len, rbuf, rlen); 820 break; 821 } 822 823 mutex_unlock(&d->i2c_mutex); 824 825 if (st->tuner_config == TUNER_RS2000) 826 if (st->fe_set_voltage) 827 st->fe_set_voltage(fe, voltage); 828 829 830 return (ret < 0) ? -ENODEV : 0; 831 } 832 833 static int dm04_read_status(struct dvb_frontend *fe, enum fe_status *status) 834 { 835 struct dvb_usb_device *d = fe_to_d(fe); 836 struct lme2510_state *st = d->priv; 837 int ret = 0; 838 839 if (st->i2c_talk_onoff) { 840 if (st->fe_read_status) { 841 ret = st->fe_read_status(fe, status); 842 if (ret < 0) 843 return ret; 844 } 845 846 st->lock_status = *status; 847 848 if (*status & FE_HAS_LOCK && st->stream_on) { 849 mutex_lock(&d->i2c_mutex); 850 851 st->i2c_talk_onoff = 0; 852 ret = lme2510_stream_restart(d); 853 854 mutex_unlock(&d->i2c_mutex); 855 } 856 857 return ret; 858 } 859 860 /* Timeout of interrupt reached on RS2000 */ 861 if (st->tuner_config == TUNER_RS2000 && 862 time_after(jiffies, st->int_urb_due)) 863 st->lock_status &= ~FE_HAS_LOCK; 864 865 *status = st->lock_status; 866 867 if (!(*status & FE_HAS_LOCK)) { 868 struct dvb_usb_adapter *adap = fe_to_adap(fe); 869 870 st->i2c_talk_onoff = 1; 871 872 lme2510_update_stats(adap); 873 } 874 875 return ret; 876 } 877 878 static int dm04_read_signal_strength(struct dvb_frontend *fe, u16 *strength) 879 { 880 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 881 struct lme2510_state *st = fe_to_priv(fe); 882 883 if (st->fe_read_signal_strength && !st->stream_on) 884 return st->fe_read_signal_strength(fe, strength); 885 886 if (c->strength.stat[0].scale == FE_SCALE_RELATIVE) 887 *strength = (u16)c->strength.stat[0].uvalue; 888 else 889 *strength = 0; 890 891 return 0; 892 } 893 894 static int dm04_read_snr(struct dvb_frontend *fe, u16 *snr) 895 { 896 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 897 struct lme2510_state *st = fe_to_priv(fe); 898 899 if (st->fe_read_snr && !st->stream_on) 900 return st->fe_read_snr(fe, snr); 901 902 if (c->cnr.stat[0].scale == FE_SCALE_RELATIVE) 903 *snr = (u16)c->cnr.stat[0].uvalue; 904 else 905 *snr = 0; 906 907 return 0; 908 } 909 910 static int dm04_read_ber(struct dvb_frontend *fe, u32 *ber) 911 { 912 struct lme2510_state *st = fe_to_priv(fe); 913 914 if (st->fe_read_ber && !st->stream_on) 915 return st->fe_read_ber(fe, ber); 916 917 *ber = 0; 918 919 return 0; 920 } 921 922 static int dm04_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) 923 { 924 struct lme2510_state *st = fe_to_priv(fe); 925 926 if (st->fe_read_ucblocks && !st->stream_on) 927 return st->fe_read_ucblocks(fe, ucblocks); 928 929 *ucblocks = 0; 930 931 return 0; 932 } 933 934 static int lme_name(struct dvb_usb_adapter *adap) 935 { 936 struct dvb_usb_device *d = adap_to_d(adap); 937 struct lme2510_state *st = adap_to_priv(adap); 938 const char *desc = d->name; 939 static const char * const fe_name[] = { 940 "", " LG TDQY-P001F", " SHARP:BS2F7HZ7395", 941 " SHARP:BS2F7HZ0194", " RS2000"}; 942 char *name = adap->fe[0]->ops.info.name; 943 944 strscpy(name, desc, 128); 945 strlcat(name, fe_name[st->tuner_config], 128); 946 947 return 0; 948 } 949 950 static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap) 951 { 952 struct dvb_usb_device *d = adap_to_d(adap); 953 struct lme2510_state *st = d->priv; 954 int ret = 0; 955 956 st->i2c_talk_onoff = 1; 957 switch (le16_to_cpu(d->udev->descriptor.idProduct)) { 958 case 0x1122: 959 case 0x1120: 960 st->i2c_gate = 4; 961 adap->fe[0] = dvb_attach(tda10086_attach, 962 &tda10086_config, &d->i2c_adap); 963 if (adap->fe[0]) { 964 info("TUN Found Frontend TDA10086"); 965 st->i2c_tuner_gate_w = 4; 966 st->i2c_tuner_gate_r = 4; 967 st->i2c_tuner_addr = 0x60; 968 st->tuner_config = TUNER_LG; 969 if (st->dvb_usb_lme2510_firmware != TUNER_LG) { 970 st->dvb_usb_lme2510_firmware = TUNER_LG; 971 ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV; 972 } 973 break; 974 } 975 976 st->i2c_gate = 4; 977 adap->fe[0] = dvb_attach(stv0299_attach, 978 &sharp_z0194_config, &d->i2c_adap); 979 if (adap->fe[0]) { 980 info("FE Found Stv0299"); 981 st->i2c_tuner_gate_w = 4; 982 st->i2c_tuner_gate_r = 5; 983 st->i2c_tuner_addr = 0x60; 984 st->tuner_config = TUNER_S0194; 985 if (st->dvb_usb_lme2510_firmware != TUNER_S0194) { 986 st->dvb_usb_lme2510_firmware = TUNER_S0194; 987 ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV; 988 } 989 break; 990 } 991 992 st->i2c_gate = 5; 993 adap->fe[0] = dvb_attach(stv0288_attach, &lme_config, 994 &d->i2c_adap); 995 996 if (adap->fe[0]) { 997 info("FE Found Stv0288"); 998 st->i2c_tuner_gate_w = 4; 999 st->i2c_tuner_gate_r = 5; 1000 st->i2c_tuner_addr = 0x60; 1001 st->tuner_config = TUNER_S7395; 1002 if (st->dvb_usb_lme2510_firmware != TUNER_S7395) { 1003 st->dvb_usb_lme2510_firmware = TUNER_S7395; 1004 ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV; 1005 } 1006 break; 1007 } 1008 fallthrough; 1009 case 0x22f0: 1010 st->i2c_gate = 5; 1011 adap->fe[0] = dvb_attach(m88rs2000_attach, 1012 &m88rs2000_config, &d->i2c_adap); 1013 1014 if (adap->fe[0]) { 1015 info("FE Found M88RS2000"); 1016 st->i2c_tuner_gate_w = 5; 1017 st->i2c_tuner_gate_r = 5; 1018 st->i2c_tuner_addr = 0x60; 1019 st->tuner_config = TUNER_RS2000; 1020 st->fe_set_voltage = 1021 adap->fe[0]->ops.set_voltage; 1022 } 1023 break; 1024 } 1025 1026 if (adap->fe[0] == NULL) { 1027 info("DM04/QQBOX Not Powered up or not Supported"); 1028 return -ENODEV; 1029 } 1030 1031 if (ret) { 1032 if (adap->fe[0]) { 1033 dvb_frontend_detach(adap->fe[0]); 1034 adap->fe[0] = NULL; 1035 } 1036 d->rc_map = NULL; 1037 return -ENODEV; 1038 } 1039 1040 st->fe_read_status = adap->fe[0]->ops.read_status; 1041 st->fe_read_signal_strength = adap->fe[0]->ops.read_signal_strength; 1042 st->fe_read_snr = adap->fe[0]->ops.read_snr; 1043 st->fe_read_ber = adap->fe[0]->ops.read_ber; 1044 st->fe_read_ucblocks = adap->fe[0]->ops.read_ucblocks; 1045 1046 adap->fe[0]->ops.read_status = dm04_read_status; 1047 adap->fe[0]->ops.read_signal_strength = dm04_read_signal_strength; 1048 adap->fe[0]->ops.read_snr = dm04_read_snr; 1049 adap->fe[0]->ops.read_ber = dm04_read_ber; 1050 adap->fe[0]->ops.read_ucblocks = dm04_read_ucblocks; 1051 adap->fe[0]->ops.set_voltage = dm04_lme2510_set_voltage; 1052 1053 ret = lme_name(adap); 1054 return ret; 1055 } 1056 1057 static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap) 1058 { 1059 struct dvb_usb_device *d = adap_to_d(adap); 1060 struct lme2510_state *st = adap_to_priv(adap); 1061 static const char * const tun_msg[] = {"", "TDA8263", "IX2505V", "DVB_PLL_OPERA", "RS2000"}; 1062 int ret = 0; 1063 1064 switch (st->tuner_config) { 1065 case TUNER_LG: 1066 if (dvb_attach(tda826x_attach, adap->fe[0], 0x60, 1067 &d->i2c_adap, 1)) 1068 ret = st->tuner_config; 1069 break; 1070 case TUNER_S7395: 1071 if (dvb_attach(ix2505v_attach , adap->fe[0], &lme_tuner, 1072 &d->i2c_adap)) 1073 ret = st->tuner_config; 1074 break; 1075 case TUNER_S0194: 1076 if (dvb_attach(dvb_pll_attach , adap->fe[0], 0x60, 1077 &d->i2c_adap, DVB_PLL_OPERA1)) 1078 ret = st->tuner_config; 1079 break; 1080 case TUNER_RS2000: 1081 if (dvb_attach(ts2020_attach, adap->fe[0], 1082 &ts2020_config, &d->i2c_adap)) 1083 ret = st->tuner_config; 1084 break; 1085 default: 1086 break; 1087 } 1088 1089 if (ret) { 1090 info("TUN Found %s tuner", tun_msg[ret]); 1091 } else { 1092 info("TUN No tuner found"); 1093 return -ENODEV; 1094 } 1095 1096 /* Start the Interrupt*/ 1097 ret = lme2510_int_read(adap); 1098 if (ret < 0) { 1099 info("INT Unable to start Interrupt Service"); 1100 return -ENODEV; 1101 } 1102 1103 return ret; 1104 } 1105 1106 static int lme2510_powerup(struct dvb_usb_device *d, int onoff) 1107 { 1108 struct lme2510_state *st = d->priv; 1109 static u8 lnb_on[] = LNB_ON; 1110 static u8 lnb_off[] = LNB_OFF; 1111 static u8 rbuf[1]; 1112 int ret = 0, len = 3, rlen = 1; 1113 1114 mutex_lock(&d->i2c_mutex); 1115 1116 ret = lme2510_usb_talk(d, onoff ? lnb_on : lnb_off, len, rbuf, rlen); 1117 1118 st->i2c_talk_onoff = 1; 1119 1120 mutex_unlock(&d->i2c_mutex); 1121 1122 return ret; 1123 } 1124 1125 static int lme2510_identify_state(struct dvb_usb_device *d, const char **name) 1126 { 1127 struct lme2510_state *st = d->priv; 1128 int status; 1129 1130 usb_reset_configuration(d->udev); 1131 1132 usb_set_interface(d->udev, 1133 d->props->bInterfaceNumber, 1); 1134 1135 st->dvb_usb_lme2510_firmware = dvb_usb_lme2510_firmware; 1136 1137 status = lme2510_return_status(d); 1138 if (status == 0x44) { 1139 *name = lme_firmware_switch(d, 0); 1140 return COLD; 1141 } 1142 1143 if (status != 0x47) 1144 return -EINVAL; 1145 1146 return WARM; 1147 } 1148 1149 static int lme2510_get_stream_config(struct dvb_frontend *fe, u8 *ts_type, 1150 struct usb_data_stream_properties *stream) 1151 { 1152 struct dvb_usb_adapter *adap = fe_to_adap(fe); 1153 struct dvb_usb_device *d; 1154 1155 if (adap == NULL) 1156 return 0; 1157 1158 d = adap_to_d(adap); 1159 1160 /* Turn PID filter on the fly by module option */ 1161 if (pid_filter == 2) { 1162 adap->pid_filtering = true; 1163 adap->max_feed_count = 15; 1164 } 1165 1166 if (!(le16_to_cpu(d->udev->descriptor.idProduct) 1167 == 0x1122)) 1168 stream->endpoint = 0x8; 1169 1170 return 0; 1171 } 1172 1173 static int lme2510_get_rc_config(struct dvb_usb_device *d, 1174 struct dvb_usb_rc *rc) 1175 { 1176 rc->allowed_protos = RC_PROTO_BIT_NEC32; 1177 return 0; 1178 } 1179 1180 static void lme2510_exit(struct dvb_usb_device *d) 1181 { 1182 struct lme2510_state *st = d->priv; 1183 1184 if (st->lme_urb) { 1185 usb_kill_urb(st->lme_urb); 1186 usb_free_urb(st->lme_urb); 1187 info("Interrupt Service Stopped"); 1188 } 1189 } 1190 1191 static struct dvb_usb_device_properties lme2510_props = { 1192 .driver_name = KBUILD_MODNAME, 1193 .owner = THIS_MODULE, 1194 .bInterfaceNumber = 0, 1195 .adapter_nr = adapter_nr, 1196 .size_of_priv = sizeof(struct lme2510_state), 1197 .generic_bulk_ctrl_endpoint = 0x01, 1198 .generic_bulk_ctrl_endpoint_response = 0x01, 1199 1200 .download_firmware = lme2510_download_firmware, 1201 1202 .power_ctrl = lme2510_powerup, 1203 .identify_state = lme2510_identify_state, 1204 .i2c_algo = &lme2510_i2c_algo, 1205 1206 .frontend_attach = dm04_lme2510_frontend_attach, 1207 .tuner_attach = dm04_lme2510_tuner, 1208 .get_stream_config = lme2510_get_stream_config, 1209 .streaming_ctrl = lme2510_streaming_ctrl, 1210 1211 .get_rc_config = lme2510_get_rc_config, 1212 1213 .exit = lme2510_exit, 1214 .num_adapters = 1, 1215 .adapter = { 1216 { 1217 .caps = DVB_USB_ADAP_HAS_PID_FILTER| 1218 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, 1219 .pid_filter_count = 15, 1220 .pid_filter = lme2510_pid_filter, 1221 .pid_filter_ctrl = lme2510_pid_filter_ctrl, 1222 .stream = 1223 DVB_USB_STREAM_BULK(0x86, 10, 4096), 1224 }, 1225 }, 1226 }; 1227 1228 static const struct usb_device_id lme2510_id_table[] = { 1229 { DVB_USB_DEVICE(0x3344, 0x1122, &lme2510_props, 1230 "DM04_LME2510_DVB-S", RC_MAP_LME2510) }, 1231 { DVB_USB_DEVICE(0x3344, 0x1120, &lme2510_props, 1232 "DM04_LME2510C_DVB-S", RC_MAP_LME2510) }, 1233 { DVB_USB_DEVICE(0x3344, 0x22f0, &lme2510_props, 1234 "DM04_LME2510C_DVB-S RS2000", RC_MAP_LME2510) }, 1235 {} /* Terminating entry */ 1236 }; 1237 1238 MODULE_DEVICE_TABLE(usb, lme2510_id_table); 1239 1240 static struct usb_driver lme2510_driver = { 1241 .name = KBUILD_MODNAME, 1242 .probe = dvb_usbv2_probe, 1243 .disconnect = dvb_usbv2_disconnect, 1244 .id_table = lme2510_id_table, 1245 .no_dynamic_id = 1, 1246 .soft_unbind = 1, 1247 }; 1248 1249 module_usb_driver(lme2510_driver); 1250 1251 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>"); 1252 MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0"); 1253 MODULE_VERSION("2.07"); 1254 MODULE_LICENSE("GPL"); 1255 MODULE_FIRMWARE(LME2510_C_S7395); 1256 MODULE_FIRMWARE(LME2510_C_LG); 1257 MODULE_FIRMWARE(LME2510_C_S0194); 1258 MODULE_FIRMWARE(LME2510_C_RS2000); 1259 MODULE_FIRMWARE(LME2510_LG); 1260 MODULE_FIRMWARE(LME2510_S0194); 1261 1262