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 * THIS PROGRAM IS PROVIDED "AS IS" AND BOTH THE COPYRIGHT HOLDER AND 18 * TECHNISAT DIGITAL UK LTD DISCLAIM ALL WARRANTIES WITH REGARD TO 19 * THIS PROGRAM INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR 20 * FITNESS FOR A PARTICULAR PURPOSE. NEITHER THE COPYRIGHT HOLDER 21 * NOR TECHNISAT DIGITAL UK LIMITED SHALL BE LIABLE FOR ANY SPECIAL, 22 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER 23 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 24 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR 25 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS PROGRAM. See the 26 * GNU General Public License for more details. 27 */ 28 29 #define DVB_USB_LOG_PREFIX "technisat-usb2" 30 #include "dvb-usb.h" 31 32 #include "stv6110x.h" 33 #include "stv090x.h" 34 35 /* module parameters */ 36 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 37 38 static int debug; 39 module_param(debug, int, 0644); 40 MODULE_PARM_DESC(debug, 41 "set debugging level (bit-mask: 1=info,2=eeprom,4=i2c,8=rc)." \ 42 DVB_USB_DEBUG_STATUS); 43 44 /* disables all LED control command and 45 * also does not start the signal polling thread */ 46 static int disable_led_control; 47 module_param(disable_led_control, int, 0444); 48 MODULE_PARM_DESC(disable_led_control, 49 "disable LED control of the device (default: 0 - LED control is active)."); 50 51 /* device private data */ 52 struct technisat_usb2_state { 53 struct dvb_usb_device *dev; 54 struct delayed_work green_led_work; 55 u8 power_state; 56 57 u16 last_scan_code; 58 59 u8 buf[64]; 60 }; 61 62 /* debug print helpers */ 63 #define deb_info(args...) dprintk(debug, 0x01, args) 64 #define deb_eeprom(args...) dprintk(debug, 0x02, args) 65 #define deb_i2c(args...) dprintk(debug, 0x04, args) 66 #define deb_rc(args...) dprintk(debug, 0x08, args) 67 68 /* vendor requests */ 69 #define SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST 0xB3 70 #define SET_FRONT_END_RESET_VENDOR_REQUEST 0xB4 71 #define GET_VERSION_INFO_VENDOR_REQUEST 0xB5 72 #define SET_GREEN_LED_VENDOR_REQUEST 0xB6 73 #define SET_RED_LED_VENDOR_REQUEST 0xB7 74 #define GET_IR_DATA_VENDOR_REQUEST 0xB8 75 #define SET_LED_TIMER_DIVIDER_VENDOR_REQUEST 0xB9 76 #define SET_USB_REENUMERATION 0xBA 77 78 /* i2c-access methods */ 79 #define I2C_SPEED_100KHZ_BIT 0x40 80 81 #define I2C_STATUS_NAK 7 82 #define I2C_STATUS_OK 8 83 84 static int technisat_usb2_i2c_access(struct usb_device *udev, 85 u8 device_addr, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) 86 { 87 u8 *b; 88 int ret, actual_length; 89 90 b = kmalloc(64, GFP_KERNEL); 91 if (!b) 92 return -ENOMEM; 93 94 deb_i2c("i2c-access: %02x, tx: ", device_addr); 95 debug_dump(tx, txlen, deb_i2c); 96 deb_i2c(" "); 97 98 if (txlen > 62) { 99 err("i2c TX buffer can't exceed 62 bytes (dev 0x%02x)", 100 device_addr); 101 txlen = 62; 102 } 103 if (rxlen > 62) { 104 err("i2c RX buffer can't exceed 62 bytes (dev 0x%02x)", 105 device_addr); 106 rxlen = 62; 107 } 108 109 b[0] = I2C_SPEED_100KHZ_BIT; 110 b[1] = device_addr << 1; 111 112 if (rx != NULL) { 113 b[0] |= rxlen; 114 b[1] |= 1; 115 } 116 117 memcpy(&b[2], tx, txlen); 118 ret = usb_bulk_msg(udev, 119 usb_sndbulkpipe(udev, 0x01), 120 b, 2 + txlen, 121 NULL, 1000); 122 123 if (ret < 0) { 124 err("i2c-error: out failed %02x = %d", device_addr, ret); 125 goto err; 126 } 127 128 ret = usb_bulk_msg(udev, 129 usb_rcvbulkpipe(udev, 0x01), 130 b, 64, &actual_length, 1000); 131 if (ret < 0) { 132 err("i2c-error: in failed %02x = %d", device_addr, ret); 133 goto err; 134 } 135 136 if (b[0] != I2C_STATUS_OK) { 137 err("i2c-error: %02x = %d", device_addr, b[0]); 138 /* handle tuner-i2c-nak */ 139 if (!(b[0] == I2C_STATUS_NAK && 140 device_addr == 0x60 141 /* && device_is_technisat_usb2 */)) 142 goto err; 143 } 144 145 deb_i2c("status: %d, ", b[0]); 146 147 if (rx != NULL) { 148 memcpy(rx, &b[2], rxlen); 149 150 deb_i2c("rx (%d): ", rxlen); 151 debug_dump(rx, rxlen, deb_i2c); 152 } 153 154 deb_i2c("\n"); 155 156 err: 157 kfree(b); 158 return ret; 159 } 160 161 static int technisat_usb2_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, 162 int num) 163 { 164 int ret = 0, i; 165 struct dvb_usb_device *d = i2c_get_adapdata(adap); 166 167 /* Ensure nobody else hits the i2c bus while we're sending our 168 sequence of messages, (such as the remote control thread) */ 169 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 170 return -EAGAIN; 171 172 for (i = 0; i < num; i++) { 173 if (i+1 < num && msg[i+1].flags & I2C_M_RD) { 174 ret = technisat_usb2_i2c_access(d->udev, msg[i+1].addr, 175 msg[i].buf, msg[i].len, 176 msg[i+1].buf, msg[i+1].len); 177 if (ret != 0) 178 break; 179 i++; 180 } else { 181 ret = technisat_usb2_i2c_access(d->udev, msg[i].addr, 182 msg[i].buf, msg[i].len, 183 NULL, 0); 184 if (ret != 0) 185 break; 186 } 187 } 188 189 if (ret == 0) 190 ret = i; 191 192 mutex_unlock(&d->i2c_mutex); 193 194 return ret; 195 } 196 197 static u32 technisat_usb2_i2c_func(struct i2c_adapter *adapter) 198 { 199 return I2C_FUNC_I2C; 200 } 201 202 static struct i2c_algorithm technisat_usb2_i2c_algo = { 203 .master_xfer = technisat_usb2_i2c_xfer, 204 .functionality = technisat_usb2_i2c_func, 205 }; 206 207 #if 0 208 static void technisat_usb2_frontend_reset(struct usb_device *udev) 209 { 210 usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 211 SET_FRONT_END_RESET_VENDOR_REQUEST, 212 USB_TYPE_VENDOR | USB_DIR_OUT, 213 10, 0, 214 NULL, 0, 500); 215 } 216 #endif 217 218 /* LED control */ 219 enum technisat_usb2_led_state { 220 TECH_LED_OFF, 221 TECH_LED_BLINK, 222 TECH_LED_ON, 223 TECH_LED_UNDEFINED 224 }; 225 226 static int technisat_usb2_set_led(struct dvb_usb_device *d, int red, 227 enum technisat_usb2_led_state st) 228 { 229 struct technisat_usb2_state *state = d->priv; 230 u8 *led = state->buf; 231 int ret; 232 233 led[0] = red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST; 234 235 if (disable_led_control && st != TECH_LED_OFF) 236 return 0; 237 238 switch (st) { 239 case TECH_LED_ON: 240 led[1] = 0x82; 241 break; 242 case TECH_LED_BLINK: 243 led[1] = 0x82; 244 if (red) { 245 led[2] = 0x02; 246 led[3] = 10; 247 led[4] = 10; 248 } else { 249 led[2] = 0xff; 250 led[3] = 50; 251 led[4] = 50; 252 } 253 led[5] = 1; 254 break; 255 256 default: 257 case TECH_LED_OFF: 258 led[1] = 0x80; 259 break; 260 } 261 262 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 263 return -EAGAIN; 264 265 ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), 266 red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST, 267 USB_TYPE_VENDOR | USB_DIR_OUT, 268 0, 0, 269 led, 8, 500); 270 271 mutex_unlock(&d->i2c_mutex); 272 return ret; 273 } 274 275 static int technisat_usb2_set_led_timer(struct dvb_usb_device *d, u8 red, u8 green) 276 { 277 struct technisat_usb2_state *state = d->priv; 278 u8 *b = state->buf; 279 int ret; 280 281 b[0] = 0; 282 283 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 284 return -EAGAIN; 285 286 ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), 287 SET_LED_TIMER_DIVIDER_VENDOR_REQUEST, 288 USB_TYPE_VENDOR | USB_DIR_OUT, 289 (red << 8) | green, 0, 290 b, 1, 500); 291 292 mutex_unlock(&d->i2c_mutex); 293 294 return ret; 295 } 296 297 static void technisat_usb2_green_led_control(struct work_struct *work) 298 { 299 struct technisat_usb2_state *state = 300 container_of(work, struct technisat_usb2_state, green_led_work.work); 301 struct dvb_frontend *fe = state->dev->adapter[0].fe_adap[0].fe; 302 303 if (state->power_state == 0) 304 goto schedule; 305 306 if (fe != NULL) { 307 enum fe_status status; 308 309 if (fe->ops.read_status(fe, &status) != 0) 310 goto schedule; 311 312 if (status & FE_HAS_LOCK) { 313 u32 ber; 314 315 if (fe->ops.read_ber(fe, &ber) != 0) 316 goto schedule; 317 318 if (ber > 1000) 319 technisat_usb2_set_led(state->dev, 0, TECH_LED_BLINK); 320 else 321 technisat_usb2_set_led(state->dev, 0, TECH_LED_ON); 322 } else 323 technisat_usb2_set_led(state->dev, 0, TECH_LED_OFF); 324 } 325 326 schedule: 327 schedule_delayed_work(&state->green_led_work, 328 msecs_to_jiffies(500)); 329 } 330 331 /* method to find out whether the firmware has to be downloaded or not */ 332 static int technisat_usb2_identify_state(struct usb_device *udev, 333 const struct dvb_usb_device_properties *props, 334 const struct dvb_usb_device_description **desc, int *cold) 335 { 336 int ret; 337 u8 *version; 338 339 version = kmalloc(3, GFP_KERNEL); 340 if (!version) 341 return -ENOMEM; 342 343 /* first select the interface */ 344 if (usb_set_interface(udev, 0, 1) != 0) 345 err("could not set alternate setting to 0"); 346 else 347 info("set alternate setting"); 348 349 *cold = 0; /* by default do not download a firmware - just in case something is wrong */ 350 351 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 352 GET_VERSION_INFO_VENDOR_REQUEST, 353 USB_TYPE_VENDOR | USB_DIR_IN, 354 0, 0, 355 version, 3, 500); 356 357 if (ret < 0) 358 *cold = 1; 359 else { 360 info("firmware version: %d.%d", version[1], version[2]); 361 *cold = 0; 362 } 363 364 kfree(version); 365 366 return 0; 367 } 368 369 /* power control */ 370 static int technisat_usb2_power_ctrl(struct dvb_usb_device *d, int level) 371 { 372 struct technisat_usb2_state *state = d->priv; 373 374 state->power_state = level; 375 376 if (disable_led_control) 377 return 0; 378 379 /* green led is turned off in any case - will be turned on when tuning */ 380 technisat_usb2_set_led(d, 0, TECH_LED_OFF); 381 /* red led is turned on all the time */ 382 technisat_usb2_set_led(d, 1, TECH_LED_ON); 383 return 0; 384 } 385 386 /* mac address reading - from the eeprom */ 387 #if 0 388 static void technisat_usb2_eeprom_dump(struct dvb_usb_device *d) 389 { 390 u8 reg; 391 u8 b[16]; 392 int i, j; 393 394 /* full EEPROM dump */ 395 for (j = 0; j < 256 * 4; j += 16) { 396 reg = j; 397 if (technisat_usb2_i2c_access(d->udev, 0x50 + j / 256, ®, 1, b, 16) != 0) 398 break; 399 400 deb_eeprom("EEPROM: %01x%02x: ", j / 256, reg); 401 for (i = 0; i < 16; i++) 402 deb_eeprom("%02x ", b[i]); 403 deb_eeprom("\n"); 404 } 405 } 406 #endif 407 408 static u8 technisat_usb2_calc_lrc(const u8 *b, u16 length) 409 { 410 u8 lrc = 0; 411 while (--length) 412 lrc ^= *b++; 413 return lrc; 414 } 415 416 static int technisat_usb2_eeprom_lrc_read(struct dvb_usb_device *d, 417 u16 offset, u8 *b, u16 length, u8 tries) 418 { 419 u8 bo = offset & 0xff; 420 struct i2c_msg msg[] = { 421 { 422 .addr = 0x50 | ((offset >> 8) & 0x3), 423 .buf = &bo, 424 .len = 1 425 }, { 426 .addr = 0x50 | ((offset >> 8) & 0x3), 427 .flags = I2C_M_RD, 428 .buf = b, 429 .len = length 430 } 431 }; 432 433 while (tries--) { 434 int status; 435 436 if (i2c_transfer(&d->i2c_adap, msg, 2) != 2) 437 break; 438 439 status = 440 technisat_usb2_calc_lrc(b, length - 1) == b[length - 1]; 441 442 if (status) 443 return 0; 444 } 445 446 return -EREMOTEIO; 447 } 448 449 #define EEPROM_MAC_START 0x3f8 450 #define EEPROM_MAC_TOTAL 8 451 static int technisat_usb2_read_mac_address(struct dvb_usb_device *d, 452 u8 mac[]) 453 { 454 u8 buf[EEPROM_MAC_TOTAL]; 455 456 if (technisat_usb2_eeprom_lrc_read(d, EEPROM_MAC_START, 457 buf, EEPROM_MAC_TOTAL, 4) != 0) 458 return -ENODEV; 459 460 memcpy(mac, buf, 6); 461 return 0; 462 } 463 464 static struct stv090x_config technisat_usb2_stv090x_config; 465 466 /* frontend attach */ 467 static int technisat_usb2_set_voltage(struct dvb_frontend *fe, 468 enum fe_sec_voltage voltage) 469 { 470 int i; 471 u8 gpio[3] = { 0 }; /* 0 = 2, 1 = 3, 2 = 4 */ 472 473 gpio[2] = 1; /* high - voltage ? */ 474 475 switch (voltage) { 476 case SEC_VOLTAGE_13: 477 gpio[0] = 1; 478 break; 479 case SEC_VOLTAGE_18: 480 gpio[0] = 1; 481 gpio[1] = 1; 482 break; 483 default: 484 case SEC_VOLTAGE_OFF: 485 break; 486 } 487 488 for (i = 0; i < 3; i++) 489 if (technisat_usb2_stv090x_config.set_gpio(fe, i+2, 0, 490 gpio[i], 0) != 0) 491 return -EREMOTEIO; 492 return 0; 493 } 494 495 static struct stv090x_config technisat_usb2_stv090x_config = { 496 .device = STV0903, 497 .demod_mode = STV090x_SINGLE, 498 .clk_mode = STV090x_CLK_EXT, 499 500 .xtal = 8000000, 501 .address = 0x68, 502 503 .ts1_mode = STV090x_TSMODE_DVBCI, 504 .ts1_clk = 13400000, 505 .ts1_tei = 1, 506 507 .repeater_level = STV090x_RPTLEVEL_64, 508 509 .tuner_bbgain = 6, 510 }; 511 512 static struct stv6110x_config technisat_usb2_stv6110x_config = { 513 .addr = 0x60, 514 .refclk = 16000000, 515 .clk_div = 2, 516 }; 517 518 static int technisat_usb2_frontend_attach(struct dvb_usb_adapter *a) 519 { 520 struct usb_device *udev = a->dev->udev; 521 int ret; 522 523 a->fe_adap[0].fe = dvb_attach(stv090x_attach, &technisat_usb2_stv090x_config, 524 &a->dev->i2c_adap, STV090x_DEMODULATOR_0); 525 526 if (a->fe_adap[0].fe) { 527 const struct stv6110x_devctl *ctl; 528 529 ctl = dvb_attach(stv6110x_attach, 530 a->fe_adap[0].fe, 531 &technisat_usb2_stv6110x_config, 532 &a->dev->i2c_adap); 533 534 if (ctl) { 535 technisat_usb2_stv090x_config.tuner_init = ctl->tuner_init; 536 technisat_usb2_stv090x_config.tuner_sleep = ctl->tuner_sleep; 537 technisat_usb2_stv090x_config.tuner_set_mode = ctl->tuner_set_mode; 538 technisat_usb2_stv090x_config.tuner_set_frequency = ctl->tuner_set_frequency; 539 technisat_usb2_stv090x_config.tuner_get_frequency = ctl->tuner_get_frequency; 540 technisat_usb2_stv090x_config.tuner_set_bandwidth = ctl->tuner_set_bandwidth; 541 technisat_usb2_stv090x_config.tuner_get_bandwidth = ctl->tuner_get_bandwidth; 542 technisat_usb2_stv090x_config.tuner_set_bbgain = ctl->tuner_set_bbgain; 543 technisat_usb2_stv090x_config.tuner_get_bbgain = ctl->tuner_get_bbgain; 544 technisat_usb2_stv090x_config.tuner_set_refclk = ctl->tuner_set_refclk; 545 technisat_usb2_stv090x_config.tuner_get_status = ctl->tuner_get_status; 546 547 /* call the init function once to initialize 548 tuner's clock output divider and demod's 549 master clock */ 550 if (a->fe_adap[0].fe->ops.init) 551 a->fe_adap[0].fe->ops.init(a->fe_adap[0].fe); 552 553 if (mutex_lock_interruptible(&a->dev->i2c_mutex) < 0) 554 return -EAGAIN; 555 556 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 557 SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST, 558 USB_TYPE_VENDOR | USB_DIR_OUT, 559 0, 0, 560 NULL, 0, 500); 561 mutex_unlock(&a->dev->i2c_mutex); 562 563 if (ret != 0) 564 err("could not set IF_CLK to external"); 565 566 a->fe_adap[0].fe->ops.set_voltage = technisat_usb2_set_voltage; 567 568 /* if everything was successful assign a nice name to the frontend */ 569 strscpy(a->fe_adap[0].fe->ops.info.name, 570 a->dev->desc->name, 571 sizeof(a->fe_adap[0].fe->ops.info.name)); 572 } else { 573 dvb_frontend_detach(a->fe_adap[0].fe); 574 a->fe_adap[0].fe = NULL; 575 } 576 } 577 578 technisat_usb2_set_led_timer(a->dev, 1, 1); 579 580 return a->fe_adap[0].fe == NULL ? -ENODEV : 0; 581 } 582 583 /* Remote control */ 584 585 /* the device is giving providing raw IR-signals to the host mapping 586 * it only to one remote control is just the default implementation 587 */ 588 #define NOMINAL_IR_BIT_TRANSITION_TIME_US 889 589 #define NOMINAL_IR_BIT_TIME_US (2 * NOMINAL_IR_BIT_TRANSITION_TIME_US) 590 591 #define FIRMWARE_CLOCK_TICK 83333 592 #define FIRMWARE_CLOCK_DIVISOR 256 593 594 #define IR_PERCENT_TOLERANCE 15 595 596 #define NOMINAL_IR_BIT_TRANSITION_TICKS ((NOMINAL_IR_BIT_TRANSITION_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) 597 #define NOMINAL_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICKS / FIRMWARE_CLOCK_DIVISOR) 598 599 #define NOMINAL_IR_BIT_TIME_TICKS ((NOMINAL_IR_BIT_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) 600 #define NOMINAL_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICKS / FIRMWARE_CLOCK_DIVISOR) 601 602 #define MINIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT - ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 603 #define MAXIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT + ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 604 605 #define MINIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT - ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 606 #define MAXIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT + ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 607 608 static int technisat_usb2_get_ir(struct dvb_usb_device *d) 609 { 610 struct technisat_usb2_state *state = d->priv; 611 struct ir_raw_event ev; 612 u8 *buf = state->buf; 613 int i, ret; 614 615 buf[0] = GET_IR_DATA_VENDOR_REQUEST; 616 buf[1] = 0x08; 617 buf[2] = 0x8f; 618 buf[3] = MINIMUM_IR_BIT_TRANSITION_TICK_COUNT; 619 buf[4] = MAXIMUM_IR_BIT_TIME_TICK_COUNT; 620 621 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 622 return -EAGAIN; 623 ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), 624 GET_IR_DATA_VENDOR_REQUEST, 625 USB_TYPE_VENDOR | USB_DIR_OUT, 626 0, 0, 627 buf, 5, 500); 628 if (ret < 0) 629 goto unlock; 630 631 buf[1] = 0; 632 buf[2] = 0; 633 ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), 634 GET_IR_DATA_VENDOR_REQUEST, 635 USB_TYPE_VENDOR | USB_DIR_IN, 636 0x8080, 0, 637 buf, 62, 500); 638 639 unlock: 640 mutex_unlock(&d->i2c_mutex); 641 642 if (ret < 0) 643 return ret; 644 645 if (ret == 1) 646 return 0; /* no key pressed */ 647 648 /* decoding */ 649 650 #if 0 651 deb_rc("RC: %d ", ret); 652 debug_dump(buf + 1, ret, deb_rc); 653 #endif 654 655 ev.pulse = 0; 656 for (i = 1; i < ARRAY_SIZE(state->buf); i++) { 657 if (buf[i] == 0xff) { 658 ev.pulse = 0; 659 ev.duration = 889 * 2; 660 ir_raw_event_store(d->rc_dev, &ev); 661 break; 662 } 663 664 ev.pulse = !ev.pulse; 665 ev.duration = (buf[i] * FIRMWARE_CLOCK_DIVISOR * 666 FIRMWARE_CLOCK_TICK) / (1000 * 1000); 667 ir_raw_event_store(d->rc_dev, &ev); 668 } 669 670 ir_raw_event_handle(d->rc_dev); 671 672 return 1; 673 } 674 675 static int technisat_usb2_rc_query(struct dvb_usb_device *d) 676 { 677 int ret = technisat_usb2_get_ir(d); 678 679 if (ret < 0) 680 return ret; 681 682 if (ret == 0) 683 return 0; 684 685 if (!disable_led_control) 686 technisat_usb2_set_led(d, 1, TECH_LED_BLINK); 687 688 return 0; 689 } 690 691 /* DVB-USB and USB stuff follows */ 692 enum { 693 TECHNISAT_USB2_DVB_S2, 694 }; 695 696 static struct usb_device_id technisat_usb2_id_table[] = { 697 DVB_USB_DEV(TECHNISAT, TECHNISAT_USB2_DVB_S2), 698 { } 699 }; 700 701 MODULE_DEVICE_TABLE(usb, technisat_usb2_id_table); 702 703 /* device description */ 704 static struct dvb_usb_device_properties technisat_usb2_devices = { 705 .caps = DVB_USB_IS_AN_I2C_ADAPTER, 706 707 .usb_ctrl = CYPRESS_FX2, 708 709 .identify_state = technisat_usb2_identify_state, 710 .firmware = "dvb-usb-SkyStar_USB_HD_FW_v17_63.HEX.fw", 711 712 .size_of_priv = sizeof(struct technisat_usb2_state), 713 714 .i2c_algo = &technisat_usb2_i2c_algo, 715 716 .power_ctrl = technisat_usb2_power_ctrl, 717 .read_mac_address = technisat_usb2_read_mac_address, 718 719 .num_adapters = 1, 720 .adapter = { 721 { 722 .num_frontends = 1, 723 .fe = {{ 724 .frontend_attach = technisat_usb2_frontend_attach, 725 726 .stream = { 727 .type = USB_ISOC, 728 .count = 4, 729 .endpoint = 0x2, 730 .u = { 731 .isoc = { 732 .framesperurb = 32, 733 .framesize = 2048, 734 .interval = 1, 735 } 736 } 737 }, 738 }}, 739 .size_of_priv = 0, 740 }, 741 }, 742 743 .num_device_descs = 1, 744 .devices = { 745 { "Technisat SkyStar USB HD (DVB-S/S2)", 746 { &technisat_usb2_id_table[TECHNISAT_USB2_DVB_S2], NULL }, 747 { NULL }, 748 }, 749 }, 750 751 .rc.core = { 752 .rc_interval = 100, 753 .rc_codes = RC_MAP_TECHNISAT_USB2, 754 .module_name = "technisat-usb2", 755 .rc_query = technisat_usb2_rc_query, 756 .allowed_protos = RC_PROTO_BIT_ALL_IR_DECODER, 757 .driver_type = RC_DRIVER_IR_RAW, 758 } 759 }; 760 761 static int technisat_usb2_probe(struct usb_interface *intf, 762 const struct usb_device_id *id) 763 { 764 struct dvb_usb_device *dev; 765 766 if (dvb_usb_device_init(intf, &technisat_usb2_devices, THIS_MODULE, 767 &dev, adapter_nr) != 0) 768 return -ENODEV; 769 770 if (dev) { 771 struct technisat_usb2_state *state = dev->priv; 772 state->dev = dev; 773 774 if (!disable_led_control) { 775 INIT_DELAYED_WORK(&state->green_led_work, 776 technisat_usb2_green_led_control); 777 schedule_delayed_work(&state->green_led_work, 778 msecs_to_jiffies(500)); 779 } 780 } 781 782 return 0; 783 } 784 785 static void technisat_usb2_disconnect(struct usb_interface *intf) 786 { 787 struct dvb_usb_device *dev = usb_get_intfdata(intf); 788 789 /* work and stuff was only created when the device is is hot-state */ 790 if (dev != NULL) { 791 struct technisat_usb2_state *state = dev->priv; 792 if (state != NULL) 793 cancel_delayed_work_sync(&state->green_led_work); 794 } 795 796 dvb_usb_device_exit(intf); 797 } 798 799 static struct usb_driver technisat_usb2_driver = { 800 .name = "dvb_usb_technisat_usb2", 801 .probe = technisat_usb2_probe, 802 .disconnect = technisat_usb2_disconnect, 803 .id_table = technisat_usb2_id_table, 804 }; 805 806 module_usb_driver(technisat_usb2_driver); 807 808 MODULE_AUTHOR("Patrick Boettcher <pboettcher@kernellabs.com>"); 809 MODULE_DESCRIPTION("Driver for Technisat DVB-S/S2 USB 2.0 device"); 810 MODULE_VERSION("1.0"); 811 MODULE_LICENSE("GPL"); 812