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lmedm04.c
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linux-6.19.14/drivers/media/usb/dvb-usb-v2/lmedm04.c
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 */ 81static 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 91module_param_named(debug, dvb_usb_lme2510_debug, int, 0644); 92MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))."); 93 94static int dvb_usb_lme2510_firmware; 95module_param_named(firmware, dvb_usb_lme2510_firmware, int, 0644); 96MODULE_PARM_DESC(firmware, "set default firmware 0=Sharp7395 1=LG"); 97 98static int pid_filter; 99module_param_named(pid, pid_filter, int, 0644); 100MODULE_PARM_DESC(pid, "set default 0=default 1=off 2=on"); 101 102 103DVB_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 111struct 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 140static 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 166static 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 180static 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 214static 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 267static 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 371static 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 int ret; 377 378 lme_int->lme_urb = usb_alloc_urb(0, GFP_KERNEL); 379 380 if (lme_int->lme_urb == NULL) 381 return -ENOMEM; 382 383 usb_fill_int_urb(lme_int->lme_urb, 384 d->udev, 385 usb_rcvintpipe(d->udev, 0xa), 386 lme_int->int_buffer, 387 sizeof(lme_int->int_buffer), 388 lme2510_int_response, 389 adap, 390 8); 391 392 /* Quirk of pipe reporting PIPE_BULK but behaves as interrupt */ 393 ep = usb_pipe_endpoint(d->udev, lme_int->lme_urb->pipe); 394 if (!ep) { 395 usb_free_urb(lme_int->lme_urb); 396 return -ENODEV; 397 } 398 399 if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK) 400 lme_int->lme_urb->pipe = usb_rcvbulkpipe(d->udev, 0xa); 401 402 ret = usb_submit_urb(lme_int->lme_urb, GFP_KERNEL); 403 if (ret) { 404 usb_free_urb(lme_int->lme_urb); 405 return ret; 406 } 407 408 info("INT Interrupt Service Started"); 409 410 return 0; 411} 412 413static int lme2510_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff) 414{ 415 struct dvb_usb_device *d = adap_to_d(adap); 416 struct lme2510_state *st = adap_to_priv(adap); 417 static u8 clear_pid_reg[] = LME_ALL_PIDS; 418 static u8 rbuf[1]; 419 int ret = 0; 420 421 deb_info(1, "PID Clearing Filter"); 422 423 mutex_lock(&d->i2c_mutex); 424 425 if (!onoff) { 426 ret |= lme2510_usb_talk(d, clear_pid_reg, 427 sizeof(clear_pid_reg), rbuf, sizeof(rbuf)); 428 st->pid_off = true; 429 } else 430 st->pid_off = false; 431 432 st->pid_size = 0; 433 434 mutex_unlock(&d->i2c_mutex); 435 436 if (ret) 437 return -EREMOTEIO; 438 439 return 0; 440} 441 442static int lme2510_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, 443 int onoff) 444{ 445 struct dvb_usb_device *d = adap_to_d(adap); 446 int ret = 0; 447 448 deb_info(3, "%s PID=%04x Index=%04x onoff=%02x", __func__, 449 pid, index, onoff); 450 451 if (onoff) { 452 mutex_lock(&d->i2c_mutex); 453 ret |= lme2510_enable_pid(d, index, pid); 454 mutex_unlock(&d->i2c_mutex); 455 } 456 457 458 return ret; 459} 460 461 462static int lme2510_return_status(struct dvb_usb_device *d) 463{ 464 int ret; 465 u8 *data; 466 467 data = kzalloc(6, GFP_KERNEL); 468 if (!data) 469 return -ENOMEM; 470 471 ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), 472 0x06, 0x80, 0x0302, 0x00, 473 data, 0x6, 200); 474 if (ret != 6) 475 ret = -EINVAL; 476 else 477 ret = data[2]; 478 479 info("Firmware Status: %6ph", data); 480 481 kfree(data); 482 return ret; 483} 484 485static int lme2510_msg(struct dvb_usb_device *d, 486 u8 *wbuf, int wlen, u8 *rbuf, int rlen) 487{ 488 struct lme2510_state *st = d->priv; 489 490 st->i2c_talk_onoff = 1; 491 492 return lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen); 493} 494 495static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], 496 int num) 497{ 498 struct dvb_usb_device *d = i2c_get_adapdata(adap); 499 struct lme2510_state *st = d->priv; 500 static u8 obuf[64], ibuf[64]; 501 int i, read, read_o; 502 u16 len; 503 u8 gate; 504 505 mutex_lock(&d->i2c_mutex); 506 507 for (i = 0; i < num; i++) { 508 read_o = msg[i].flags & I2C_M_RD; 509 read = i + 1 < num && msg[i + 1].flags & I2C_M_RD; 510 read |= read_o; 511 gate = (msg[i].addr == st->i2c_tuner_addr) 512 ? (read) ? st->i2c_tuner_gate_r 513 : st->i2c_tuner_gate_w 514 : st->i2c_gate; 515 obuf[0] = gate | (read << 7); 516 517 if (gate == 5) 518 obuf[1] = (read) ? 2 : msg[i].len + 1; 519 else 520 obuf[1] = msg[i].len + read + 1; 521 522 obuf[2] = msg[i].addr << 1; 523 524 if (read) { 525 if (read_o) 526 len = 3; 527 else { 528 memcpy(&obuf[3], msg[i].buf, msg[i].len); 529 obuf[msg[i].len+3] = msg[i+1].len; 530 len = msg[i].len+4; 531 } 532 } else { 533 memcpy(&obuf[3], msg[i].buf, msg[i].len); 534 len = msg[i].len+3; 535 } 536 537 if (lme2510_msg(d, obuf, len, ibuf, 64) < 0) { 538 deb_info(1, "i2c transfer failed."); 539 mutex_unlock(&d->i2c_mutex); 540 return -EAGAIN; 541 } 542 543 if (read) { 544 if (read_o) 545 memcpy(msg[i].buf, &ibuf[1], msg[i].len); 546 else { 547 memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len); 548 i++; 549 } 550 } 551 } 552 553 mutex_unlock(&d->i2c_mutex); 554 return i; 555} 556 557static u32 lme2510_i2c_func(struct i2c_adapter *adapter) 558{ 559 return I2C_FUNC_I2C; 560} 561 562static const struct i2c_algorithm lme2510_i2c_algo = { 563 .master_xfer = lme2510_i2c_xfer, 564 .functionality = lme2510_i2c_func, 565}; 566 567static int lme2510_streaming_ctrl(struct dvb_frontend *fe, int onoff) 568{ 569 struct dvb_usb_adapter *adap = fe_to_adap(fe); 570 struct dvb_usb_device *d = adap_to_d(adap); 571 struct lme2510_state *st = adap_to_priv(adap); 572 static u8 clear_reg_3[] = LME_ALL_PIDS; 573 static u8 rbuf[1]; 574 int ret = 0, rlen = sizeof(rbuf); 575 576 deb_info(1, "STM (%02x)", onoff); 577 578 /* Streaming is started by FE_HAS_LOCK */ 579 if (onoff == 1) 580 st->stream_on = 1; 581 else { 582 deb_info(1, "STM Steam Off"); 583 /* mutex is here only to avoid collision with I2C */ 584 mutex_lock(&d->i2c_mutex); 585 586 ret = lme2510_usb_talk(d, clear_reg_3, 587 sizeof(clear_reg_3), rbuf, rlen); 588 st->stream_on = 0; 589 st->i2c_talk_onoff = 1; 590 591 mutex_unlock(&d->i2c_mutex); 592 } 593 594 return (ret < 0) ? -ENODEV : 0; 595} 596 597static u8 check_sum(u8 *p, u8 len) 598{ 599 u8 sum = 0; 600 while (len--) 601 sum += *p++; 602 return sum; 603} 604 605static int lme2510_download_firmware(struct dvb_usb_device *d, 606 const struct firmware *fw) 607{ 608 int ret = 0; 609 u8 *data; 610 u16 j, wlen, len_in, start, end; 611 u8 packet_size, dlen, i; 612 u8 *fw_data; 613 614 packet_size = 0x31; 615 len_in = 1; 616 617 data = kzalloc(128, GFP_KERNEL); 618 if (!data) { 619 info("FRM Could not start Firmware Download"\ 620 "(Buffer allocation failed)"); 621 return -ENOMEM; 622 } 623 624 info("FRM Starting Firmware Download"); 625 626 for (i = 1; i < 3; i++) { 627 start = (i == 1) ? 0 : 512; 628 end = (i == 1) ? 512 : fw->size; 629 for (j = start; j < end; j += (packet_size+1)) { 630 fw_data = (u8 *)(fw->data + j); 631 if ((end - j) > packet_size) { 632 data[0] = i; 633 dlen = packet_size; 634 } else { 635 data[0] = i | 0x80; 636 dlen = (u8)(end - j)-1; 637 } 638 data[1] = dlen; 639 memcpy(&data[2], fw_data, dlen+1); 640 wlen = (u8) dlen + 4; 641 data[wlen-1] = check_sum(fw_data, dlen+1); 642 deb_info(1, "Data S=%02x:E=%02x CS= %02x", data[3], 643 data[dlen+2], data[dlen+3]); 644 lme2510_usb_talk(d, data, wlen, data, len_in); 645 ret |= (data[0] == 0x88) ? 0 : -1; 646 } 647 } 648 649 data[0] = 0x8a; 650 len_in = 1; 651 msleep(2000); 652 lme2510_usb_talk(d, data, len_in, data, len_in); 653 msleep(400); 654 655 if (ret < 0) 656 info("FRM Firmware Download Failed (%04x)" , ret); 657 else 658 info("FRM Firmware Download Completed - Resetting Device"); 659 660 kfree(data); 661 return RECONNECTS_USB; 662} 663 664static void lme_coldreset(struct dvb_usb_device *d) 665{ 666 u8 data[1] = {0}; 667 data[0] = 0x0a; 668 info("FRM Firmware Cold Reset"); 669 670 lme2510_usb_talk(d, data, sizeof(data), data, sizeof(data)); 671 672 return; 673} 674 675static const char fw_c_s7395[] = LME2510_C_S7395; 676static const char fw_c_lg[] = LME2510_C_LG; 677static const char fw_c_s0194[] = LME2510_C_S0194; 678static const char fw_c_rs2000[] = LME2510_C_RS2000; 679static const char fw_lg[] = LME2510_LG; 680static const char fw_s0194[] = LME2510_S0194; 681 682static const char *lme_firmware_switch(struct dvb_usb_device *d, int cold) 683{ 684 struct lme2510_state *st = d->priv; 685 struct usb_device *udev = d->udev; 686 const struct firmware *fw = NULL; 687 const char *fw_lme; 688 int ret = 0; 689 690 cold = (cold > 0) ? (cold & 1) : 0; 691 692 switch (le16_to_cpu(udev->descriptor.idProduct)) { 693 case 0x1122: 694 switch (st->dvb_usb_lme2510_firmware) { 695 default: 696 case TUNER_S0194: 697 fw_lme = fw_s0194; 698 ret = request_firmware(&fw, fw_lme, &udev->dev); 699 if (ret == 0) { 700 st->dvb_usb_lme2510_firmware = TUNER_S0194; 701 cold = 0; 702 break; 703 } 704 fallthrough; 705 case TUNER_LG: 706 fw_lme = fw_lg; 707 ret = request_firmware(&fw, fw_lme, &udev->dev); 708 if (ret == 0) { 709 st->dvb_usb_lme2510_firmware = TUNER_LG; 710 break; 711 } 712 st->dvb_usb_lme2510_firmware = TUNER_DEFAULT; 713 break; 714 } 715 break; 716 case 0x1120: 717 switch (st->dvb_usb_lme2510_firmware) { 718 default: 719 case TUNER_S7395: 720 fw_lme = fw_c_s7395; 721 ret = request_firmware(&fw, fw_lme, &udev->dev); 722 if (ret == 0) { 723 st->dvb_usb_lme2510_firmware = TUNER_S7395; 724 cold = 0; 725 break; 726 } 727 fallthrough; 728 case TUNER_LG: 729 fw_lme = fw_c_lg; 730 ret = request_firmware(&fw, fw_lme, &udev->dev); 731 if (ret == 0) { 732 st->dvb_usb_lme2510_firmware = TUNER_LG; 733 break; 734 } 735 fallthrough; 736 case TUNER_S0194: 737 fw_lme = fw_c_s0194; 738 ret = request_firmware(&fw, fw_lme, &udev->dev); 739 if (ret == 0) { 740 st->dvb_usb_lme2510_firmware = TUNER_S0194; 741 break; 742 } 743 st->dvb_usb_lme2510_firmware = TUNER_DEFAULT; 744 cold = 0; 745 break; 746 } 747 break; 748 case 0x22f0: 749 fw_lme = fw_c_rs2000; 750 st->dvb_usb_lme2510_firmware = TUNER_RS2000; 751 break; 752 default: 753 fw_lme = fw_c_s7395; 754 } 755 756 release_firmware(fw); 757 758 if (cold) { 759 dvb_usb_lme2510_firmware = st->dvb_usb_lme2510_firmware; 760 info("FRM Changing to %s firmware", fw_lme); 761 lme_coldreset(d); 762 return NULL; 763 } 764 765 return fw_lme; 766} 767 768static struct tda10086_config tda10086_config = { 769 .demod_address = 0x0e, 770 .invert = 0, 771 .diseqc_tone = 1, 772 .xtal_freq = TDA10086_XTAL_16M, 773}; 774 775static struct stv0288_config lme_config = { 776 .demod_address = 0x68, 777 .min_delay_ms = 15, 778 .inittab = s7395_inittab, 779}; 780 781static struct ix2505v_config lme_tuner = { 782 .tuner_address = 0x60, 783 .min_delay_ms = 100, 784 .tuner_gain = 0x0, 785 .tuner_chargepump = 0x3, 786}; 787 788static struct stv0299_config sharp_z0194_config = { 789 .demod_address = 0x68, 790 .inittab = sharp_z0194a_inittab, 791 .mclk = 88000000UL, 792 .invert = 0, 793 .skip_reinit = 0, 794 .lock_output = STV0299_LOCKOUTPUT_1, 795 .volt13_op0_op1 = STV0299_VOLT13_OP1, 796 .min_delay_ms = 100, 797 .set_symbol_rate = sharp_z0194a_set_symbol_rate, 798}; 799 800static struct m88rs2000_config m88rs2000_config = { 801 .demod_addr = 0x68 802}; 803 804static struct ts2020_config ts2020_config = { 805 .tuner_address = 0x60, 806 .clk_out_div = 7, 807 .dont_poll = true 808}; 809 810static int dm04_lme2510_set_voltage(struct dvb_frontend *fe, 811 enum fe_sec_voltage voltage) 812{ 813 struct dvb_usb_device *d = fe_to_d(fe); 814 struct lme2510_state *st = fe_to_priv(fe); 815 static u8 voltage_low[] = LME_VOLTAGE_L; 816 static u8 voltage_high[] = LME_VOLTAGE_H; 817 static u8 rbuf[1]; 818 int ret = 0, len = 3, rlen = 1; 819 820 mutex_lock(&d->i2c_mutex); 821 822 switch (voltage) { 823 case SEC_VOLTAGE_18: 824 ret |= lme2510_usb_talk(d, 825 voltage_high, len, rbuf, rlen); 826 break; 827 828 case SEC_VOLTAGE_OFF: 829 case SEC_VOLTAGE_13: 830 default: 831 ret |= lme2510_usb_talk(d, 832 voltage_low, len, rbuf, rlen); 833 break; 834 } 835 836 mutex_unlock(&d->i2c_mutex); 837 838 if (st->tuner_config == TUNER_RS2000) 839 if (st->fe_set_voltage) 840 st->fe_set_voltage(fe, voltage); 841 842 843 return (ret < 0) ? -ENODEV : 0; 844} 845 846static int dm04_read_status(struct dvb_frontend *fe, enum fe_status *status) 847{ 848 struct dvb_usb_device *d = fe_to_d(fe); 849 struct lme2510_state *st = d->priv; 850 int ret = 0; 851 852 if (st->i2c_talk_onoff) { 853 if (st->fe_read_status) { 854 ret = st->fe_read_status(fe, status); 855 if (ret < 0) 856 return ret; 857 } 858 859 st->lock_status = *status; 860 861 if (*status & FE_HAS_LOCK && st->stream_on) { 862 mutex_lock(&d->i2c_mutex); 863 864 st->i2c_talk_onoff = 0; 865 ret = lme2510_stream_restart(d); 866 867 mutex_unlock(&d->i2c_mutex); 868 } 869 870 return ret; 871 } 872 873 /* Timeout of interrupt reached on RS2000 */ 874 if (st->tuner_config == TUNER_RS2000 && 875 time_after(jiffies, st->int_urb_due)) 876 st->lock_status &= ~FE_HAS_LOCK; 877 878 *status = st->lock_status; 879 880 if (!(*status & FE_HAS_LOCK)) { 881 struct dvb_usb_adapter *adap = fe_to_adap(fe); 882 883 st->i2c_talk_onoff = 1; 884 885 lme2510_update_stats(adap); 886 } 887 888 return ret; 889} 890 891static int dm04_read_signal_strength(struct dvb_frontend *fe, u16 *strength) 892{ 893 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 894 struct lme2510_state *st = fe_to_priv(fe); 895 896 if (st->fe_read_signal_strength && !st->stream_on) 897 return st->fe_read_signal_strength(fe, strength); 898 899 if (c->strength.stat[0].scale == FE_SCALE_RELATIVE) 900 *strength = (u16)c->strength.stat[0].uvalue; 901 else 902 *strength = 0; 903 904 return 0; 905} 906 907static int dm04_read_snr(struct dvb_frontend *fe, u16 *snr) 908{ 909 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 910 struct lme2510_state *st = fe_to_priv(fe); 911 912 if (st->fe_read_snr && !st->stream_on) 913 return st->fe_read_snr(fe, snr); 914 915 if (c->cnr.stat[0].scale == FE_SCALE_RELATIVE) 916 *snr = (u16)c->cnr.stat[0].uvalue; 917 else 918 *snr = 0; 919 920 return 0; 921} 922 923static int dm04_read_ber(struct dvb_frontend *fe, u32 *ber) 924{ 925 struct lme2510_state *st = fe_to_priv(fe); 926 927 if (st->fe_read_ber && !st->stream_on) 928 return st->fe_read_ber(fe, ber); 929 930 *ber = 0; 931 932 return 0; 933} 934 935static int dm04_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) 936{ 937 struct lme2510_state *st = fe_to_priv(fe); 938 939 if (st->fe_read_ucblocks && !st->stream_on) 940 return st->fe_read_ucblocks(fe, ucblocks); 941 942 *ucblocks = 0; 943 944 return 0; 945} 946 947static int lme_name(struct dvb_usb_adapter *adap) 948{ 949 struct dvb_usb_device *d = adap_to_d(adap); 950 struct lme2510_state *st = adap_to_priv(adap); 951 const char *desc = d->name; 952 static const char * const fe_name[] = { 953 "", " LG TDQY-P001F", " SHARP:BS2F7HZ7395", 954 " SHARP:BS2F7HZ0194", " RS2000"}; 955 char *name = adap->fe[0]->ops.info.name; 956 957 strscpy(name, desc, 128); 958 strlcat(name, fe_name[st->tuner_config], 128); 959 960 return 0; 961} 962 963static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap) 964{ 965 struct dvb_usb_device *d = adap_to_d(adap); 966 struct lme2510_state *st = d->priv; 967 int ret = 0; 968 969 st->i2c_talk_onoff = 1; 970 switch (le16_to_cpu(d->udev->descriptor.idProduct)) { 971 case 0x1122: 972 case 0x1120: 973 st->i2c_gate = 4; 974 adap->fe[0] = dvb_attach(tda10086_attach, 975 &tda10086_config, &d->i2c_adap); 976 if (adap->fe[0]) { 977 info("TUN Found Frontend TDA10086"); 978 st->i2c_tuner_gate_w = 4; 979 st->i2c_tuner_gate_r = 4; 980 st->i2c_tuner_addr = 0x60; 981 st->tuner_config = TUNER_LG; 982 if (st->dvb_usb_lme2510_firmware != TUNER_LG) { 983 st->dvb_usb_lme2510_firmware = TUNER_LG; 984 ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV; 985 } 986 break; 987 } 988 989 st->i2c_gate = 4; 990 adap->fe[0] = dvb_attach(stv0299_attach, 991 &sharp_z0194_config, &d->i2c_adap); 992 if (adap->fe[0]) { 993 info("FE Found Stv0299"); 994 st->i2c_tuner_gate_w = 4; 995 st->i2c_tuner_gate_r = 5; 996 st->i2c_tuner_addr = 0x60; 997 st->tuner_config = TUNER_S0194; 998 if (st->dvb_usb_lme2510_firmware != TUNER_S0194) { 999 st->dvb_usb_lme2510_firmware = TUNER_S0194; 1000 ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV; 1001 } 1002 break; 1003 } 1004 1005 st->i2c_gate = 5; 1006 adap->fe[0] = dvb_attach(stv0288_attach, &lme_config, 1007 &d->i2c_adap); 1008 1009 if (adap->fe[0]) { 1010 info("FE Found Stv0288"); 1011 st->i2c_tuner_gate_w = 4; 1012 st->i2c_tuner_gate_r = 5; 1013 st->i2c_tuner_addr = 0x60; 1014 st->tuner_config = TUNER_S7395; 1015 if (st->dvb_usb_lme2510_firmware != TUNER_S7395) { 1016 st->dvb_usb_lme2510_firmware = TUNER_S7395; 1017 ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV; 1018 } 1019 break; 1020 } 1021 fallthrough; 1022 case 0x22f0: 1023 st->i2c_gate = 5; 1024 adap->fe[0] = dvb_attach(m88rs2000_attach, 1025 &m88rs2000_config, &d->i2c_adap); 1026 1027 if (adap->fe[0]) { 1028 info("FE Found M88RS2000"); 1029 st->i2c_tuner_gate_w = 5; 1030 st->i2c_tuner_gate_r = 5; 1031 st->i2c_tuner_addr = 0x60; 1032 st->tuner_config = TUNER_RS2000; 1033 st->fe_set_voltage = 1034 adap->fe[0]->ops.set_voltage; 1035 } 1036 break; 1037 } 1038 1039 if (adap->fe[0] == NULL) { 1040 info("DM04/QQBOX Not Powered up or not Supported"); 1041 return -ENODEV; 1042 } 1043 1044 if (ret) { 1045 if (adap->fe[0]) { 1046 dvb_frontend_detach(adap->fe[0]); 1047 adap->fe[0] = NULL; 1048 } 1049 d->rc_map = NULL; 1050 return -ENODEV; 1051 } 1052 1053 st->fe_read_status = adap->fe[0]->ops.read_status; 1054 st->fe_read_signal_strength = adap->fe[0]->ops.read_signal_strength; 1055 st->fe_read_snr = adap->fe[0]->ops.read_snr; 1056 st->fe_read_ber = adap->fe[0]->ops.read_ber; 1057 st->fe_read_ucblocks = adap->fe[0]->ops.read_ucblocks; 1058 1059 adap->fe[0]->ops.read_status = dm04_read_status; 1060 adap->fe[0]->ops.read_signal_strength = dm04_read_signal_strength; 1061 adap->fe[0]->ops.read_snr = dm04_read_snr; 1062 adap->fe[0]->ops.read_ber = dm04_read_ber; 1063 adap->fe[0]->ops.read_ucblocks = dm04_read_ucblocks; 1064 adap->fe[0]->ops.set_voltage = dm04_lme2510_set_voltage; 1065 1066 ret = lme_name(adap); 1067 return ret; 1068} 1069 1070static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap) 1071{ 1072 struct dvb_usb_device *d = adap_to_d(adap); 1073 struct lme2510_state *st = adap_to_priv(adap); 1074 static const char * const tun_msg[] = {"", "TDA8263", "IX2505V", "DVB_PLL_OPERA", "RS2000"}; 1075 int ret = 0; 1076 1077 switch (st->tuner_config) { 1078 case TUNER_LG: 1079 if (dvb_attach(tda826x_attach, adap->fe[0], 0x60, 1080 &d->i2c_adap, 1)) 1081 ret = st->tuner_config; 1082 break; 1083 case TUNER_S7395: 1084 if (dvb_attach(ix2505v_attach , adap->fe[0], &lme_tuner, 1085 &d->i2c_adap)) 1086 ret = st->tuner_config; 1087 break; 1088 case TUNER_S0194: 1089 if (dvb_attach(dvb_pll_attach , adap->fe[0], 0x60, 1090 &d->i2c_adap, DVB_PLL_OPERA1)) 1091 ret = st->tuner_config; 1092 break; 1093 case TUNER_RS2000: 1094 if (dvb_attach(ts2020_attach, adap->fe[0], 1095 &ts2020_config, &d->i2c_adap)) 1096 ret = st->tuner_config; 1097 break; 1098 default: 1099 break; 1100 } 1101 1102 if (ret) { 1103 info("TUN Found %s tuner", tun_msg[ret]); 1104 } else { 1105 info("TUN No tuner found"); 1106 return -ENODEV; 1107 } 1108 1109 /* Start the Interrupt*/ 1110 ret = lme2510_int_read(adap); 1111 if (ret < 0) { 1112 info("INT Unable to start Interrupt Service"); 1113 return -ENODEV; 1114 } 1115 1116 return ret; 1117} 1118 1119static int lme2510_powerup(struct dvb_usb_device *d, int onoff) 1120{ 1121 struct lme2510_state *st = d->priv; 1122 static u8 lnb_on[] = LNB_ON; 1123 static u8 lnb_off[] = LNB_OFF; 1124 static u8 rbuf[1]; 1125 int ret = 0, len = 3, rlen = 1; 1126 1127 mutex_lock(&d->i2c_mutex); 1128 1129 ret = lme2510_usb_talk(d, onoff ? lnb_on : lnb_off, len, rbuf, rlen); 1130 1131 st->i2c_talk_onoff = 1; 1132 1133 mutex_unlock(&d->i2c_mutex); 1134 1135 return ret; 1136} 1137 1138static int lme2510_identify_state(struct dvb_usb_device *d, const char **name) 1139{ 1140 struct lme2510_state *st = d->priv; 1141 int status; 1142 1143 usb_reset_configuration(d->udev); 1144 1145 usb_set_interface(d->udev, 1146 d->props->bInterfaceNumber, 1); 1147 1148 st->dvb_usb_lme2510_firmware = dvb_usb_lme2510_firmware; 1149 1150 status = lme2510_return_status(d); 1151 if (status == 0x44) { 1152 *name = lme_firmware_switch(d, 0); 1153 return COLD; 1154 } 1155 1156 if (status != 0x47) 1157 return -EINVAL; 1158 1159 return WARM; 1160} 1161 1162static int lme2510_get_stream_config(struct dvb_frontend *fe, u8 *ts_type, 1163 struct usb_data_stream_properties *stream) 1164{ 1165 struct dvb_usb_adapter *adap = fe_to_adap(fe); 1166 struct dvb_usb_device *d; 1167 1168 if (adap == NULL) 1169 return 0; 1170 1171 d = adap_to_d(adap); 1172 1173 /* Turn PID filter on the fly by module option */ 1174 if (pid_filter == 2) { 1175 adap->pid_filtering = true; 1176 adap->max_feed_count = 15; 1177 } 1178 1179 if (!(le16_to_cpu(d->udev->descriptor.idProduct) 1180 == 0x1122)) 1181 stream->endpoint = 0x8; 1182 1183 return 0; 1184} 1185 1186static int lme2510_get_rc_config(struct dvb_usb_device *d, 1187 struct dvb_usb_rc *rc) 1188{ 1189 rc->allowed_protos = RC_PROTO_BIT_NEC32; 1190 return 0; 1191} 1192 1193static void lme2510_exit(struct dvb_usb_device *d) 1194{ 1195 struct lme2510_state *st = d->priv; 1196 1197 if (st->lme_urb) { 1198 usb_kill_urb(st->lme_urb); 1199 usb_free_urb(st->lme_urb); 1200 info("Interrupt Service Stopped"); 1201 } 1202} 1203 1204static struct dvb_usb_device_properties lme2510_props = { 1205 .driver_name = KBUILD_MODNAME, 1206 .owner = THIS_MODULE, 1207 .bInterfaceNumber = 0, 1208 .adapter_nr = adapter_nr, 1209 .size_of_priv = sizeof(struct lme2510_state), 1210 .generic_bulk_ctrl_endpoint = 0x01, 1211 .generic_bulk_ctrl_endpoint_response = 0x01, 1212 1213 .download_firmware = lme2510_download_firmware, 1214 1215 .power_ctrl = lme2510_powerup, 1216 .identify_state = lme2510_identify_state, 1217 .i2c_algo = &lme2510_i2c_algo, 1218 1219 .frontend_attach = dm04_lme2510_frontend_attach, 1220 .tuner_attach = dm04_lme2510_tuner, 1221 .get_stream_config = lme2510_get_stream_config, 1222 .streaming_ctrl = lme2510_streaming_ctrl, 1223 1224 .get_rc_config = lme2510_get_rc_config, 1225 1226 .exit = lme2510_exit, 1227 .num_adapters = 1, 1228 .adapter = { 1229 { 1230 .caps = DVB_USB_ADAP_HAS_PID_FILTER| 1231 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, 1232 .pid_filter_count = 15, 1233 .pid_filter = lme2510_pid_filter, 1234 .pid_filter_ctrl = lme2510_pid_filter_ctrl, 1235 .stream = 1236 DVB_USB_STREAM_BULK(0x86, 10, 4096), 1237 }, 1238 }, 1239}; 1240 1241static const struct usb_device_id lme2510_id_table[] = { 1242 { DVB_USB_DEVICE(0x3344, 0x1122, &lme2510_props, 1243 "DM04_LME2510_DVB-S", RC_MAP_LME2510) }, 1244 { DVB_USB_DEVICE(0x3344, 0x1120, &lme2510_props, 1245 "DM04_LME2510C_DVB-S", RC_MAP_LME2510) }, 1246 { DVB_USB_DEVICE(0x3344, 0x22f0, &lme2510_props, 1247 "DM04_LME2510C_DVB-S RS2000", RC_MAP_LME2510) }, 1248 {} /* Terminating entry */ 1249}; 1250 1251MODULE_DEVICE_TABLE(usb, lme2510_id_table); 1252 1253static struct usb_driver lme2510_driver = { 1254 .name = KBUILD_MODNAME, 1255 .probe = dvb_usbv2_probe, 1256 .disconnect = dvb_usbv2_disconnect, 1257 .id_table = lme2510_id_table, 1258 .no_dynamic_id = 1, 1259 .soft_unbind = 1, 1260}; 1261 1262module_usb_driver(lme2510_driver); 1263 1264MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>"); 1265MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0"); 1266MODULE_VERSION("2.07"); 1267MODULE_LICENSE("GPL"); 1268MODULE_FIRMWARE(LME2510_C_S7395); 1269MODULE_FIRMWARE(LME2510_C_LG); 1270MODULE_FIRMWARE(LME2510_C_S0194); 1271MODULE_FIRMWARE(LME2510_C_RS2000); 1272MODULE_FIRMWARE(LME2510_LG); 1273MODULE_FIRMWARE(LME2510_S0194); 1274
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