1 /* 2 * Linux driver for Technisat DVB-S/S2 USB 2.0 device 3 * 4 * Copyright (C) 2010 Patrick Boettcher, 5 * Kernel Labs Inc. PO Box 745, St James, NY 11780 6 * 7 * Development was sponsored by Technisat Digital UK Limited, whose 8 * registered office is Witan Gate House 500 - 600 Witan Gate West, 9 * Milton Keynes, MK9 1SH 10 * 11 * This program is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU General Public License as 13 * published by the Free Software Foundation; either version 2 of the 14 * License, or (at your option) any later version. 15 * 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * 21 * THIS PROGRAM IS PROVIDED "AS IS" AND BOTH THE COPYRIGHT HOLDER AND 22 * TECHNISAT DIGITAL UK LTD DISCLAIM ALL WARRANTIES WITH REGARD TO 23 * THIS PROGRAM INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR 24 * FITNESS FOR A PARTICULAR PURPOSE. NEITHER THE COPYRIGHT HOLDER 25 * NOR TECHNISAT DIGITAL UK LIMITED SHALL BE LIABLE FOR ANY SPECIAL, 26 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER 27 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 28 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR 29 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS PROGRAM. See the 30 * GNU General Public License for more details. 31 */ 32 33 #define DVB_USB_LOG_PREFIX "technisat-usb2" 34 #include "dvb-usb.h" 35 36 #include "stv6110x.h" 37 #include "stv090x.h" 38 39 /* module parameters */ 40 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 41 42 static int debug; 43 module_param(debug, int, 0644); 44 MODULE_PARM_DESC(debug, 45 "set debugging level (bit-mask: 1=info,2=eeprom,4=i2c,8=rc)." \ 46 DVB_USB_DEBUG_STATUS); 47 48 /* disables all LED control command and 49 * also does not start the signal polling thread */ 50 static int disable_led_control; 51 module_param(disable_led_control, int, 0444); 52 MODULE_PARM_DESC(disable_led_control, 53 "disable LED control of the device " 54 "(default: 0 - LED control is active)."); 55 56 /* device private data */ 57 struct technisat_usb2_state { 58 struct dvb_usb_device *dev; 59 struct delayed_work green_led_work; 60 u8 power_state; 61 62 u16 last_scan_code; 63 }; 64 65 /* debug print helpers */ 66 #define deb_info(args...) dprintk(debug, 0x01, args) 67 #define deb_eeprom(args...) dprintk(debug, 0x02, args) 68 #define deb_i2c(args...) dprintk(debug, 0x04, args) 69 #define deb_rc(args...) dprintk(debug, 0x08, args) 70 71 /* vendor requests */ 72 #define SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST 0xB3 73 #define SET_FRONT_END_RESET_VENDOR_REQUEST 0xB4 74 #define GET_VERSION_INFO_VENDOR_REQUEST 0xB5 75 #define SET_GREEN_LED_VENDOR_REQUEST 0xB6 76 #define SET_RED_LED_VENDOR_REQUEST 0xB7 77 #define GET_IR_DATA_VENDOR_REQUEST 0xB8 78 #define SET_LED_TIMER_DIVIDER_VENDOR_REQUEST 0xB9 79 #define SET_USB_REENUMERATION 0xBA 80 81 /* i2c-access methods */ 82 #define I2C_SPEED_100KHZ_BIT 0x40 83 84 #define I2C_STATUS_NAK 7 85 #define I2C_STATUS_OK 8 86 87 static int technisat_usb2_i2c_access(struct usb_device *udev, 88 u8 device_addr, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) 89 { 90 u8 b[64]; 91 int ret, actual_length; 92 93 deb_i2c("i2c-access: %02x, tx: ", device_addr); 94 debug_dump(tx, txlen, deb_i2c); 95 deb_i2c(" "); 96 97 if (txlen > 62) { 98 err("i2c TX buffer can't exceed 62 bytes (dev 0x%02x)", 99 device_addr); 100 txlen = 62; 101 } 102 if (rxlen > 62) { 103 err("i2c RX buffer can't exceed 62 bytes (dev 0x%02x)", 104 device_addr); 105 rxlen = 62; 106 } 107 108 b[0] = I2C_SPEED_100KHZ_BIT; 109 b[1] = device_addr << 1; 110 111 if (rx != NULL) { 112 b[0] |= rxlen; 113 b[1] |= 1; 114 } 115 116 memcpy(&b[2], tx, txlen); 117 ret = usb_bulk_msg(udev, 118 usb_sndbulkpipe(udev, 0x01), 119 b, 2 + txlen, 120 NULL, 1000); 121 122 if (ret < 0) { 123 err("i2c-error: out failed %02x = %d", device_addr, ret); 124 return -ENODEV; 125 } 126 127 ret = usb_bulk_msg(udev, 128 usb_rcvbulkpipe(udev, 0x01), 129 b, 64, &actual_length, 1000); 130 if (ret < 0) { 131 err("i2c-error: in failed %02x = %d", device_addr, ret); 132 return -ENODEV; 133 } 134 135 if (b[0] != I2C_STATUS_OK) { 136 err("i2c-error: %02x = %d", device_addr, b[0]); 137 /* handle tuner-i2c-nak */ 138 if (!(b[0] == I2C_STATUS_NAK && 139 device_addr == 0x60 140 /* && device_is_technisat_usb2 */)) 141 return -ENODEV; 142 } 143 144 deb_i2c("status: %d, ", b[0]); 145 146 if (rx != NULL) { 147 memcpy(rx, &b[2], rxlen); 148 149 deb_i2c("rx (%d): ", rxlen); 150 debug_dump(rx, rxlen, deb_i2c); 151 } 152 153 deb_i2c("\n"); 154 155 return 0; 156 } 157 158 static int technisat_usb2_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, 159 int num) 160 { 161 int ret = 0, i; 162 struct dvb_usb_device *d = i2c_get_adapdata(adap); 163 164 /* Ensure nobody else hits the i2c bus while we're sending our 165 sequence of messages, (such as the remote control thread) */ 166 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 167 return -EAGAIN; 168 169 for (i = 0; i < num; i++) { 170 if (i+1 < num && msg[i+1].flags & I2C_M_RD) { 171 ret = technisat_usb2_i2c_access(d->udev, msg[i+1].addr, 172 msg[i].buf, msg[i].len, 173 msg[i+1].buf, msg[i+1].len); 174 if (ret != 0) 175 break; 176 i++; 177 } else { 178 ret = technisat_usb2_i2c_access(d->udev, msg[i].addr, 179 msg[i].buf, msg[i].len, 180 NULL, 0); 181 if (ret != 0) 182 break; 183 } 184 } 185 186 if (ret == 0) 187 ret = i; 188 189 mutex_unlock(&d->i2c_mutex); 190 191 return ret; 192 } 193 194 static u32 technisat_usb2_i2c_func(struct i2c_adapter *adapter) 195 { 196 return I2C_FUNC_I2C; 197 } 198 199 static struct i2c_algorithm technisat_usb2_i2c_algo = { 200 .master_xfer = technisat_usb2_i2c_xfer, 201 .functionality = technisat_usb2_i2c_func, 202 }; 203 204 #if 0 205 static void technisat_usb2_frontend_reset(struct usb_device *udev) 206 { 207 usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 208 SET_FRONT_END_RESET_VENDOR_REQUEST, 209 USB_TYPE_VENDOR | USB_DIR_OUT, 210 10, 0, 211 NULL, 0, 500); 212 } 213 #endif 214 215 /* LED control */ 216 enum technisat_usb2_led_state { 217 TECH_LED_OFF, 218 TECH_LED_BLINK, 219 TECH_LED_ON, 220 TECH_LED_UNDEFINED 221 }; 222 223 static int technisat_usb2_set_led(struct dvb_usb_device *d, int red, enum technisat_usb2_led_state state) 224 { 225 int ret; 226 227 u8 led[8] = { 228 red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST, 229 0 230 }; 231 232 if (disable_led_control && state != TECH_LED_OFF) 233 return 0; 234 235 switch (state) { 236 case TECH_LED_ON: 237 led[1] = 0x82; 238 break; 239 case TECH_LED_BLINK: 240 led[1] = 0x82; 241 if (red) { 242 led[2] = 0x02; 243 led[3] = 10; 244 led[4] = 10; 245 } else { 246 led[2] = 0xff; 247 led[3] = 50; 248 led[4] = 50; 249 } 250 led[5] = 1; 251 break; 252 253 default: 254 case TECH_LED_OFF: 255 led[1] = 0x80; 256 break; 257 } 258 259 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 260 return -EAGAIN; 261 262 ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), 263 red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST, 264 USB_TYPE_VENDOR | USB_DIR_OUT, 265 0, 0, 266 led, sizeof(led), 500); 267 268 mutex_unlock(&d->i2c_mutex); 269 return ret; 270 } 271 272 static int technisat_usb2_set_led_timer(struct dvb_usb_device *d, u8 red, u8 green) 273 { 274 int ret; 275 u8 b = 0; 276 277 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 278 return -EAGAIN; 279 280 ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), 281 SET_LED_TIMER_DIVIDER_VENDOR_REQUEST, 282 USB_TYPE_VENDOR | USB_DIR_OUT, 283 (red << 8) | green, 0, 284 &b, 1, 500); 285 286 mutex_unlock(&d->i2c_mutex); 287 288 return ret; 289 } 290 291 static void technisat_usb2_green_led_control(struct work_struct *work) 292 { 293 struct technisat_usb2_state *state = 294 container_of(work, struct technisat_usb2_state, green_led_work.work); 295 struct dvb_frontend *fe = state->dev->adapter[0].fe_adap[0].fe; 296 297 if (state->power_state == 0) 298 goto schedule; 299 300 if (fe != NULL) { 301 enum fe_status status; 302 303 if (fe->ops.read_status(fe, &status) != 0) 304 goto schedule; 305 306 if (status & FE_HAS_LOCK) { 307 u32 ber; 308 309 if (fe->ops.read_ber(fe, &ber) != 0) 310 goto schedule; 311 312 if (ber > 1000) 313 technisat_usb2_set_led(state->dev, 0, TECH_LED_BLINK); 314 else 315 technisat_usb2_set_led(state->dev, 0, TECH_LED_ON); 316 } else 317 technisat_usb2_set_led(state->dev, 0, TECH_LED_OFF); 318 } 319 320 schedule: 321 schedule_delayed_work(&state->green_led_work, 322 msecs_to_jiffies(500)); 323 } 324 325 /* method to find out whether the firmware has to be downloaded or not */ 326 static int technisat_usb2_identify_state(struct usb_device *udev, 327 struct dvb_usb_device_properties *props, 328 struct dvb_usb_device_description **desc, int *cold) 329 { 330 int ret; 331 u8 version[3]; 332 333 /* first select the interface */ 334 if (usb_set_interface(udev, 0, 1) != 0) 335 err("could not set alternate setting to 0"); 336 else 337 info("set alternate setting"); 338 339 *cold = 0; /* by default do not download a firmware - just in case something is wrong */ 340 341 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 342 GET_VERSION_INFO_VENDOR_REQUEST, 343 USB_TYPE_VENDOR | USB_DIR_IN, 344 0, 0, 345 version, sizeof(version), 500); 346 347 if (ret < 0) 348 *cold = 1; 349 else { 350 info("firmware version: %d.%d", version[1], version[2]); 351 *cold = 0; 352 } 353 354 return 0; 355 } 356 357 /* power control */ 358 static int technisat_usb2_power_ctrl(struct dvb_usb_device *d, int level) 359 { 360 struct technisat_usb2_state *state = d->priv; 361 362 state->power_state = level; 363 364 if (disable_led_control) 365 return 0; 366 367 /* green led is turned off in any case - will be turned on when tuning */ 368 technisat_usb2_set_led(d, 0, TECH_LED_OFF); 369 /* red led is turned on all the time */ 370 technisat_usb2_set_led(d, 1, TECH_LED_ON); 371 return 0; 372 } 373 374 /* mac address reading - from the eeprom */ 375 #if 0 376 static void technisat_usb2_eeprom_dump(struct dvb_usb_device *d) 377 { 378 u8 reg; 379 u8 b[16]; 380 int i, j; 381 382 /* full EEPROM dump */ 383 for (j = 0; j < 256 * 4; j += 16) { 384 reg = j; 385 if (technisat_usb2_i2c_access(d->udev, 0x50 + j / 256, ®, 1, b, 16) != 0) 386 break; 387 388 deb_eeprom("EEPROM: %01x%02x: ", j / 256, reg); 389 for (i = 0; i < 16; i++) 390 deb_eeprom("%02x ", b[i]); 391 deb_eeprom("\n"); 392 } 393 } 394 #endif 395 396 static u8 technisat_usb2_calc_lrc(const u8 *b, u16 length) 397 { 398 u8 lrc = 0; 399 while (--length) 400 lrc ^= *b++; 401 return lrc; 402 } 403 404 static int technisat_usb2_eeprom_lrc_read(struct dvb_usb_device *d, 405 u16 offset, u8 *b, u16 length, u8 tries) 406 { 407 u8 bo = offset & 0xff; 408 struct i2c_msg msg[] = { 409 { 410 .addr = 0x50 | ((offset >> 8) & 0x3), 411 .buf = &bo, 412 .len = 1 413 }, { 414 .addr = 0x50 | ((offset >> 8) & 0x3), 415 .flags = I2C_M_RD, 416 .buf = b, 417 .len = length 418 } 419 }; 420 421 while (tries--) { 422 int status; 423 424 if (i2c_transfer(&d->i2c_adap, msg, 2) != 2) 425 break; 426 427 status = 428 technisat_usb2_calc_lrc(b, length - 1) == b[length - 1]; 429 430 if (status) 431 return 0; 432 } 433 434 return -EREMOTEIO; 435 } 436 437 #define EEPROM_MAC_START 0x3f8 438 #define EEPROM_MAC_TOTAL 8 439 static int technisat_usb2_read_mac_address(struct dvb_usb_device *d, 440 u8 mac[]) 441 { 442 u8 buf[EEPROM_MAC_TOTAL]; 443 444 if (technisat_usb2_eeprom_lrc_read(d, EEPROM_MAC_START, 445 buf, EEPROM_MAC_TOTAL, 4) != 0) 446 return -ENODEV; 447 448 memcpy(mac, buf, 6); 449 return 0; 450 } 451 452 static struct stv090x_config technisat_usb2_stv090x_config; 453 454 /* frontend attach */ 455 static int technisat_usb2_set_voltage(struct dvb_frontend *fe, 456 fe_sec_voltage_t voltage) 457 { 458 int i; 459 u8 gpio[3] = { 0 }; /* 0 = 2, 1 = 3, 2 = 4 */ 460 461 gpio[2] = 1; /* high - voltage ? */ 462 463 switch (voltage) { 464 case SEC_VOLTAGE_13: 465 gpio[0] = 1; 466 break; 467 case SEC_VOLTAGE_18: 468 gpio[0] = 1; 469 gpio[1] = 1; 470 break; 471 default: 472 case SEC_VOLTAGE_OFF: 473 break; 474 } 475 476 for (i = 0; i < 3; i++) 477 if (technisat_usb2_stv090x_config.set_gpio(fe, i+2, 0, 478 gpio[i], 0) != 0) 479 return -EREMOTEIO; 480 return 0; 481 } 482 483 static struct stv090x_config technisat_usb2_stv090x_config = { 484 .device = STV0903, 485 .demod_mode = STV090x_SINGLE, 486 .clk_mode = STV090x_CLK_EXT, 487 488 .xtal = 8000000, 489 .address = 0x68, 490 491 .ts1_mode = STV090x_TSMODE_DVBCI, 492 .ts1_clk = 13400000, 493 .ts1_tei = 1, 494 495 .repeater_level = STV090x_RPTLEVEL_64, 496 497 .tuner_bbgain = 6, 498 }; 499 500 static struct stv6110x_config technisat_usb2_stv6110x_config = { 501 .addr = 0x60, 502 .refclk = 16000000, 503 .clk_div = 2, 504 }; 505 506 static int technisat_usb2_frontend_attach(struct dvb_usb_adapter *a) 507 { 508 struct usb_device *udev = a->dev->udev; 509 int ret; 510 511 a->fe_adap[0].fe = dvb_attach(stv090x_attach, &technisat_usb2_stv090x_config, 512 &a->dev->i2c_adap, STV090x_DEMODULATOR_0); 513 514 if (a->fe_adap[0].fe) { 515 struct stv6110x_devctl *ctl; 516 517 ctl = dvb_attach(stv6110x_attach, 518 a->fe_adap[0].fe, 519 &technisat_usb2_stv6110x_config, 520 &a->dev->i2c_adap); 521 522 if (ctl) { 523 technisat_usb2_stv090x_config.tuner_init = ctl->tuner_init; 524 technisat_usb2_stv090x_config.tuner_sleep = ctl->tuner_sleep; 525 technisat_usb2_stv090x_config.tuner_set_mode = ctl->tuner_set_mode; 526 technisat_usb2_stv090x_config.tuner_set_frequency = ctl->tuner_set_frequency; 527 technisat_usb2_stv090x_config.tuner_get_frequency = ctl->tuner_get_frequency; 528 technisat_usb2_stv090x_config.tuner_set_bandwidth = ctl->tuner_set_bandwidth; 529 technisat_usb2_stv090x_config.tuner_get_bandwidth = ctl->tuner_get_bandwidth; 530 technisat_usb2_stv090x_config.tuner_set_bbgain = ctl->tuner_set_bbgain; 531 technisat_usb2_stv090x_config.tuner_get_bbgain = ctl->tuner_get_bbgain; 532 technisat_usb2_stv090x_config.tuner_set_refclk = ctl->tuner_set_refclk; 533 technisat_usb2_stv090x_config.tuner_get_status = ctl->tuner_get_status; 534 535 /* call the init function once to initialize 536 tuner's clock output divider and demod's 537 master clock */ 538 if (a->fe_adap[0].fe->ops.init) 539 a->fe_adap[0].fe->ops.init(a->fe_adap[0].fe); 540 541 if (mutex_lock_interruptible(&a->dev->i2c_mutex) < 0) 542 return -EAGAIN; 543 544 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 545 SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST, 546 USB_TYPE_VENDOR | USB_DIR_OUT, 547 0, 0, 548 NULL, 0, 500); 549 mutex_unlock(&a->dev->i2c_mutex); 550 551 if (ret != 0) 552 err("could not set IF_CLK to external"); 553 554 a->fe_adap[0].fe->ops.set_voltage = technisat_usb2_set_voltage; 555 556 /* if everything was successful assign a nice name to the frontend */ 557 strlcpy(a->fe_adap[0].fe->ops.info.name, a->dev->desc->name, 558 sizeof(a->fe_adap[0].fe->ops.info.name)); 559 } else { 560 dvb_frontend_detach(a->fe_adap[0].fe); 561 a->fe_adap[0].fe = NULL; 562 } 563 } 564 565 technisat_usb2_set_led_timer(a->dev, 1, 1); 566 567 return a->fe_adap[0].fe == NULL ? -ENODEV : 0; 568 } 569 570 /* Remote control */ 571 572 /* the device is giving providing raw IR-signals to the host mapping 573 * it only to one remote control is just the default implementation 574 */ 575 #define NOMINAL_IR_BIT_TRANSITION_TIME_US 889 576 #define NOMINAL_IR_BIT_TIME_US (2 * NOMINAL_IR_BIT_TRANSITION_TIME_US) 577 578 #define FIRMWARE_CLOCK_TICK 83333 579 #define FIRMWARE_CLOCK_DIVISOR 256 580 581 #define IR_PERCENT_TOLERANCE 15 582 583 #define NOMINAL_IR_BIT_TRANSITION_TICKS ((NOMINAL_IR_BIT_TRANSITION_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) 584 #define NOMINAL_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICKS / FIRMWARE_CLOCK_DIVISOR) 585 586 #define NOMINAL_IR_BIT_TIME_TICKS ((NOMINAL_IR_BIT_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) 587 #define NOMINAL_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICKS / FIRMWARE_CLOCK_DIVISOR) 588 589 #define MINIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT - ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 590 #define MAXIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT + ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 591 592 #define MINIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT - ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 593 #define MAXIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT + ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 594 595 static int technisat_usb2_get_ir(struct dvb_usb_device *d) 596 { 597 u8 buf[62], *b; 598 int ret; 599 struct ir_raw_event ev; 600 601 buf[0] = GET_IR_DATA_VENDOR_REQUEST; 602 buf[1] = 0x08; 603 buf[2] = 0x8f; 604 buf[3] = MINIMUM_IR_BIT_TRANSITION_TICK_COUNT; 605 buf[4] = MAXIMUM_IR_BIT_TIME_TICK_COUNT; 606 607 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 608 return -EAGAIN; 609 ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), 610 GET_IR_DATA_VENDOR_REQUEST, 611 USB_TYPE_VENDOR | USB_DIR_OUT, 612 0, 0, 613 buf, 5, 500); 614 if (ret < 0) 615 goto unlock; 616 617 buf[1] = 0; 618 buf[2] = 0; 619 ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), 620 GET_IR_DATA_VENDOR_REQUEST, 621 USB_TYPE_VENDOR | USB_DIR_IN, 622 0x8080, 0, 623 buf, sizeof(buf), 500); 624 625 unlock: 626 mutex_unlock(&d->i2c_mutex); 627 628 if (ret < 0) 629 return ret; 630 631 if (ret == 1) 632 return 0; /* no key pressed */ 633 634 /* decoding */ 635 b = buf+1; 636 637 #if 0 638 deb_rc("RC: %d ", ret); 639 debug_dump(b, ret, deb_rc); 640 #endif 641 642 ev.pulse = 0; 643 while (1) { 644 ev.pulse = !ev.pulse; 645 ev.duration = (*b * FIRMWARE_CLOCK_DIVISOR * FIRMWARE_CLOCK_TICK) / 1000; 646 ir_raw_event_store(d->rc_dev, &ev); 647 648 b++; 649 if (*b == 0xff) { 650 ev.pulse = 0; 651 ev.duration = 888888*2; 652 ir_raw_event_store(d->rc_dev, &ev); 653 break; 654 } 655 } 656 657 ir_raw_event_handle(d->rc_dev); 658 659 return 1; 660 } 661 662 static int technisat_usb2_rc_query(struct dvb_usb_device *d) 663 { 664 int ret = technisat_usb2_get_ir(d); 665 666 if (ret < 0) 667 return ret; 668 669 if (ret == 0) 670 return 0; 671 672 if (!disable_led_control) 673 technisat_usb2_set_led(d, 1, TECH_LED_BLINK); 674 675 return 0; 676 } 677 678 /* DVB-USB and USB stuff follows */ 679 static struct usb_device_id technisat_usb2_id_table[] = { 680 { USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_DVB_S2) }, 681 { 0 } /* Terminating entry */ 682 }; 683 MODULE_DEVICE_TABLE(usb, technisat_usb2_id_table); 684 685 /* device description */ 686 static struct dvb_usb_device_properties technisat_usb2_devices = { 687 .caps = DVB_USB_IS_AN_I2C_ADAPTER, 688 689 .usb_ctrl = CYPRESS_FX2, 690 691 .identify_state = technisat_usb2_identify_state, 692 .firmware = "dvb-usb-SkyStar_USB_HD_FW_v17_63.HEX.fw", 693 694 .size_of_priv = sizeof(struct technisat_usb2_state), 695 696 .i2c_algo = &technisat_usb2_i2c_algo, 697 698 .power_ctrl = technisat_usb2_power_ctrl, 699 .read_mac_address = technisat_usb2_read_mac_address, 700 701 .num_adapters = 1, 702 .adapter = { 703 { 704 .num_frontends = 1, 705 .fe = {{ 706 .frontend_attach = technisat_usb2_frontend_attach, 707 708 .stream = { 709 .type = USB_ISOC, 710 .count = 8, 711 .endpoint = 0x2, 712 .u = { 713 .isoc = { 714 .framesperurb = 32, 715 .framesize = 2048, 716 .interval = 1, 717 } 718 } 719 }, 720 }}, 721 .size_of_priv = 0, 722 }, 723 }, 724 725 .num_device_descs = 1, 726 .devices = { 727 { "Technisat SkyStar USB HD (DVB-S/S2)", 728 { &technisat_usb2_id_table[0], NULL }, 729 { NULL }, 730 }, 731 }, 732 733 .rc.core = { 734 .rc_interval = 100, 735 .rc_codes = RC_MAP_TECHNISAT_USB2, 736 .module_name = "technisat-usb2", 737 .rc_query = technisat_usb2_rc_query, 738 .allowed_protos = RC_BIT_ALL, 739 .driver_type = RC_DRIVER_IR_RAW, 740 } 741 }; 742 743 static int technisat_usb2_probe(struct usb_interface *intf, 744 const struct usb_device_id *id) 745 { 746 struct dvb_usb_device *dev; 747 748 if (dvb_usb_device_init(intf, &technisat_usb2_devices, THIS_MODULE, 749 &dev, adapter_nr) != 0) 750 return -ENODEV; 751 752 if (dev) { 753 struct technisat_usb2_state *state = dev->priv; 754 state->dev = dev; 755 756 if (!disable_led_control) { 757 INIT_DELAYED_WORK(&state->green_led_work, 758 technisat_usb2_green_led_control); 759 schedule_delayed_work(&state->green_led_work, 760 msecs_to_jiffies(500)); 761 } 762 } 763 764 return 0; 765 } 766 767 static void technisat_usb2_disconnect(struct usb_interface *intf) 768 { 769 struct dvb_usb_device *dev = usb_get_intfdata(intf); 770 771 /* work and stuff was only created when the device is is hot-state */ 772 if (dev != NULL) { 773 struct technisat_usb2_state *state = dev->priv; 774 if (state != NULL) 775 cancel_delayed_work_sync(&state->green_led_work); 776 } 777 778 dvb_usb_device_exit(intf); 779 } 780 781 static struct usb_driver technisat_usb2_driver = { 782 .name = "dvb_usb_technisat_usb2", 783 .probe = technisat_usb2_probe, 784 .disconnect = technisat_usb2_disconnect, 785 .id_table = technisat_usb2_id_table, 786 }; 787 788 module_usb_driver(technisat_usb2_driver); 789 790 MODULE_AUTHOR("Patrick Boettcher <pboettcher@kernellabs.com>"); 791 MODULE_DESCRIPTION("Driver for Technisat DVB-S/S2 USB 2.0 device"); 792 MODULE_VERSION("1.0"); 793 MODULE_LICENSE("GPL"); 794