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 u8 buf[64]; 65 }; 66 67 /* debug print helpers */ 68 #define deb_info(args...) dprintk(debug, 0x01, args) 69 #define deb_eeprom(args...) dprintk(debug, 0x02, args) 70 #define deb_i2c(args...) dprintk(debug, 0x04, args) 71 #define deb_rc(args...) dprintk(debug, 0x08, args) 72 73 /* vendor requests */ 74 #define SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST 0xB3 75 #define SET_FRONT_END_RESET_VENDOR_REQUEST 0xB4 76 #define GET_VERSION_INFO_VENDOR_REQUEST 0xB5 77 #define SET_GREEN_LED_VENDOR_REQUEST 0xB6 78 #define SET_RED_LED_VENDOR_REQUEST 0xB7 79 #define GET_IR_DATA_VENDOR_REQUEST 0xB8 80 #define SET_LED_TIMER_DIVIDER_VENDOR_REQUEST 0xB9 81 #define SET_USB_REENUMERATION 0xBA 82 83 /* i2c-access methods */ 84 #define I2C_SPEED_100KHZ_BIT 0x40 85 86 #define I2C_STATUS_NAK 7 87 #define I2C_STATUS_OK 8 88 89 static int technisat_usb2_i2c_access(struct usb_device *udev, 90 u8 device_addr, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) 91 { 92 u8 *b; 93 int ret, actual_length; 94 95 b = kmalloc(64, GFP_KERNEL); 96 if (!b) 97 return -ENOMEM; 98 99 deb_i2c("i2c-access: %02x, tx: ", device_addr); 100 debug_dump(tx, txlen, deb_i2c); 101 deb_i2c(" "); 102 103 if (txlen > 62) { 104 err("i2c TX buffer can't exceed 62 bytes (dev 0x%02x)", 105 device_addr); 106 txlen = 62; 107 } 108 if (rxlen > 62) { 109 err("i2c RX buffer can't exceed 62 bytes (dev 0x%02x)", 110 device_addr); 111 rxlen = 62; 112 } 113 114 b[0] = I2C_SPEED_100KHZ_BIT; 115 b[1] = device_addr << 1; 116 117 if (rx != NULL) { 118 b[0] |= rxlen; 119 b[1] |= 1; 120 } 121 122 memcpy(&b[2], tx, txlen); 123 ret = usb_bulk_msg(udev, 124 usb_sndbulkpipe(udev, 0x01), 125 b, 2 + txlen, 126 NULL, 1000); 127 128 if (ret < 0) { 129 err("i2c-error: out failed %02x = %d", device_addr, ret); 130 goto err; 131 } 132 133 ret = usb_bulk_msg(udev, 134 usb_rcvbulkpipe(udev, 0x01), 135 b, 64, &actual_length, 1000); 136 if (ret < 0) { 137 err("i2c-error: in failed %02x = %d", device_addr, ret); 138 goto err; 139 } 140 141 if (b[0] != I2C_STATUS_OK) { 142 err("i2c-error: %02x = %d", device_addr, b[0]); 143 /* handle tuner-i2c-nak */ 144 if (!(b[0] == I2C_STATUS_NAK && 145 device_addr == 0x60 146 /* && device_is_technisat_usb2 */)) 147 goto err; 148 } 149 150 deb_i2c("status: %d, ", b[0]); 151 152 if (rx != NULL) { 153 memcpy(rx, &b[2], rxlen); 154 155 deb_i2c("rx (%d): ", rxlen); 156 debug_dump(rx, rxlen, deb_i2c); 157 } 158 159 deb_i2c("\n"); 160 161 err: 162 kfree(b); 163 return ret; 164 } 165 166 static int technisat_usb2_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, 167 int num) 168 { 169 int ret = 0, i; 170 struct dvb_usb_device *d = i2c_get_adapdata(adap); 171 172 /* Ensure nobody else hits the i2c bus while we're sending our 173 sequence of messages, (such as the remote control thread) */ 174 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 175 return -EAGAIN; 176 177 for (i = 0; i < num; i++) { 178 if (i+1 < num && msg[i+1].flags & I2C_M_RD) { 179 ret = technisat_usb2_i2c_access(d->udev, msg[i+1].addr, 180 msg[i].buf, msg[i].len, 181 msg[i+1].buf, msg[i+1].len); 182 if (ret != 0) 183 break; 184 i++; 185 } else { 186 ret = technisat_usb2_i2c_access(d->udev, msg[i].addr, 187 msg[i].buf, msg[i].len, 188 NULL, 0); 189 if (ret != 0) 190 break; 191 } 192 } 193 194 if (ret == 0) 195 ret = i; 196 197 mutex_unlock(&d->i2c_mutex); 198 199 return ret; 200 } 201 202 static u32 technisat_usb2_i2c_func(struct i2c_adapter *adapter) 203 { 204 return I2C_FUNC_I2C; 205 } 206 207 static struct i2c_algorithm technisat_usb2_i2c_algo = { 208 .master_xfer = technisat_usb2_i2c_xfer, 209 .functionality = technisat_usb2_i2c_func, 210 }; 211 212 #if 0 213 static void technisat_usb2_frontend_reset(struct usb_device *udev) 214 { 215 usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 216 SET_FRONT_END_RESET_VENDOR_REQUEST, 217 USB_TYPE_VENDOR | USB_DIR_OUT, 218 10, 0, 219 NULL, 0, 500); 220 } 221 #endif 222 223 /* LED control */ 224 enum technisat_usb2_led_state { 225 TECH_LED_OFF, 226 TECH_LED_BLINK, 227 TECH_LED_ON, 228 TECH_LED_UNDEFINED 229 }; 230 231 static int technisat_usb2_set_led(struct dvb_usb_device *d, int red, 232 enum technisat_usb2_led_state st) 233 { 234 struct technisat_usb2_state *state = d->priv; 235 u8 *led = state->buf; 236 int ret; 237 238 led[0] = red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST; 239 240 if (disable_led_control && st != TECH_LED_OFF) 241 return 0; 242 243 switch (st) { 244 case TECH_LED_ON: 245 led[1] = 0x82; 246 break; 247 case TECH_LED_BLINK: 248 led[1] = 0x82; 249 if (red) { 250 led[2] = 0x02; 251 led[3] = 10; 252 led[4] = 10; 253 } else { 254 led[2] = 0xff; 255 led[3] = 50; 256 led[4] = 50; 257 } 258 led[5] = 1; 259 break; 260 261 default: 262 case TECH_LED_OFF: 263 led[1] = 0x80; 264 break; 265 } 266 267 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 268 return -EAGAIN; 269 270 ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), 271 red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST, 272 USB_TYPE_VENDOR | USB_DIR_OUT, 273 0, 0, 274 led, 8, 500); 275 276 mutex_unlock(&d->i2c_mutex); 277 return ret; 278 } 279 280 static int technisat_usb2_set_led_timer(struct dvb_usb_device *d, u8 red, u8 green) 281 { 282 struct technisat_usb2_state *state = d->priv; 283 u8 *b = state->buf; 284 int ret; 285 286 b[0] = 0; 287 288 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 289 return -EAGAIN; 290 291 ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), 292 SET_LED_TIMER_DIVIDER_VENDOR_REQUEST, 293 USB_TYPE_VENDOR | USB_DIR_OUT, 294 (red << 8) | green, 0, 295 b, 1, 500); 296 297 mutex_unlock(&d->i2c_mutex); 298 299 return ret; 300 } 301 302 static void technisat_usb2_green_led_control(struct work_struct *work) 303 { 304 struct technisat_usb2_state *state = 305 container_of(work, struct technisat_usb2_state, green_led_work.work); 306 struct dvb_frontend *fe = state->dev->adapter[0].fe_adap[0].fe; 307 308 if (state->power_state == 0) 309 goto schedule; 310 311 if (fe != NULL) { 312 enum fe_status status; 313 314 if (fe->ops.read_status(fe, &status) != 0) 315 goto schedule; 316 317 if (status & FE_HAS_LOCK) { 318 u32 ber; 319 320 if (fe->ops.read_ber(fe, &ber) != 0) 321 goto schedule; 322 323 if (ber > 1000) 324 technisat_usb2_set_led(state->dev, 0, TECH_LED_BLINK); 325 else 326 technisat_usb2_set_led(state->dev, 0, TECH_LED_ON); 327 } else 328 technisat_usb2_set_led(state->dev, 0, TECH_LED_OFF); 329 } 330 331 schedule: 332 schedule_delayed_work(&state->green_led_work, 333 msecs_to_jiffies(500)); 334 } 335 336 /* method to find out whether the firmware has to be downloaded or not */ 337 static int technisat_usb2_identify_state(struct usb_device *udev, 338 struct dvb_usb_device_properties *props, 339 struct dvb_usb_device_description **desc, int *cold) 340 { 341 int ret; 342 u8 *version; 343 344 version = kmalloc(3, GFP_KERNEL); 345 if (!version) 346 return -ENOMEM; 347 348 /* first select the interface */ 349 if (usb_set_interface(udev, 0, 1) != 0) 350 err("could not set alternate setting to 0"); 351 else 352 info("set alternate setting"); 353 354 *cold = 0; /* by default do not download a firmware - just in case something is wrong */ 355 356 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 357 GET_VERSION_INFO_VENDOR_REQUEST, 358 USB_TYPE_VENDOR | USB_DIR_IN, 359 0, 0, 360 version, 3, 500); 361 362 if (ret < 0) 363 *cold = 1; 364 else { 365 info("firmware version: %d.%d", version[1], version[2]); 366 *cold = 0; 367 } 368 369 kfree(version); 370 371 return 0; 372 } 373 374 /* power control */ 375 static int technisat_usb2_power_ctrl(struct dvb_usb_device *d, int level) 376 { 377 struct technisat_usb2_state *state = d->priv; 378 379 state->power_state = level; 380 381 if (disable_led_control) 382 return 0; 383 384 /* green led is turned off in any case - will be turned on when tuning */ 385 technisat_usb2_set_led(d, 0, TECH_LED_OFF); 386 /* red led is turned on all the time */ 387 technisat_usb2_set_led(d, 1, TECH_LED_ON); 388 return 0; 389 } 390 391 /* mac address reading - from the eeprom */ 392 #if 0 393 static void technisat_usb2_eeprom_dump(struct dvb_usb_device *d) 394 { 395 u8 reg; 396 u8 b[16]; 397 int i, j; 398 399 /* full EEPROM dump */ 400 for (j = 0; j < 256 * 4; j += 16) { 401 reg = j; 402 if (technisat_usb2_i2c_access(d->udev, 0x50 + j / 256, ®, 1, b, 16) != 0) 403 break; 404 405 deb_eeprom("EEPROM: %01x%02x: ", j / 256, reg); 406 for (i = 0; i < 16; i++) 407 deb_eeprom("%02x ", b[i]); 408 deb_eeprom("\n"); 409 } 410 } 411 #endif 412 413 static u8 technisat_usb2_calc_lrc(const u8 *b, u16 length) 414 { 415 u8 lrc = 0; 416 while (--length) 417 lrc ^= *b++; 418 return lrc; 419 } 420 421 static int technisat_usb2_eeprom_lrc_read(struct dvb_usb_device *d, 422 u16 offset, u8 *b, u16 length, u8 tries) 423 { 424 u8 bo = offset & 0xff; 425 struct i2c_msg msg[] = { 426 { 427 .addr = 0x50 | ((offset >> 8) & 0x3), 428 .buf = &bo, 429 .len = 1 430 }, { 431 .addr = 0x50 | ((offset >> 8) & 0x3), 432 .flags = I2C_M_RD, 433 .buf = b, 434 .len = length 435 } 436 }; 437 438 while (tries--) { 439 int status; 440 441 if (i2c_transfer(&d->i2c_adap, msg, 2) != 2) 442 break; 443 444 status = 445 technisat_usb2_calc_lrc(b, length - 1) == b[length - 1]; 446 447 if (status) 448 return 0; 449 } 450 451 return -EREMOTEIO; 452 } 453 454 #define EEPROM_MAC_START 0x3f8 455 #define EEPROM_MAC_TOTAL 8 456 static int technisat_usb2_read_mac_address(struct dvb_usb_device *d, 457 u8 mac[]) 458 { 459 u8 buf[EEPROM_MAC_TOTAL]; 460 461 if (technisat_usb2_eeprom_lrc_read(d, EEPROM_MAC_START, 462 buf, EEPROM_MAC_TOTAL, 4) != 0) 463 return -ENODEV; 464 465 memcpy(mac, buf, 6); 466 return 0; 467 } 468 469 static struct stv090x_config technisat_usb2_stv090x_config; 470 471 /* frontend attach */ 472 static int technisat_usb2_set_voltage(struct dvb_frontend *fe, 473 enum fe_sec_voltage voltage) 474 { 475 int i; 476 u8 gpio[3] = { 0 }; /* 0 = 2, 1 = 3, 2 = 4 */ 477 478 gpio[2] = 1; /* high - voltage ? */ 479 480 switch (voltage) { 481 case SEC_VOLTAGE_13: 482 gpio[0] = 1; 483 break; 484 case SEC_VOLTAGE_18: 485 gpio[0] = 1; 486 gpio[1] = 1; 487 break; 488 default: 489 case SEC_VOLTAGE_OFF: 490 break; 491 } 492 493 for (i = 0; i < 3; i++) 494 if (technisat_usb2_stv090x_config.set_gpio(fe, i+2, 0, 495 gpio[i], 0) != 0) 496 return -EREMOTEIO; 497 return 0; 498 } 499 500 static struct stv090x_config technisat_usb2_stv090x_config = { 501 .device = STV0903, 502 .demod_mode = STV090x_SINGLE, 503 .clk_mode = STV090x_CLK_EXT, 504 505 .xtal = 8000000, 506 .address = 0x68, 507 508 .ts1_mode = STV090x_TSMODE_DVBCI, 509 .ts1_clk = 13400000, 510 .ts1_tei = 1, 511 512 .repeater_level = STV090x_RPTLEVEL_64, 513 514 .tuner_bbgain = 6, 515 }; 516 517 static struct stv6110x_config technisat_usb2_stv6110x_config = { 518 .addr = 0x60, 519 .refclk = 16000000, 520 .clk_div = 2, 521 }; 522 523 static int technisat_usb2_frontend_attach(struct dvb_usb_adapter *a) 524 { 525 struct usb_device *udev = a->dev->udev; 526 int ret; 527 528 a->fe_adap[0].fe = dvb_attach(stv090x_attach, &technisat_usb2_stv090x_config, 529 &a->dev->i2c_adap, STV090x_DEMODULATOR_0); 530 531 if (a->fe_adap[0].fe) { 532 const struct stv6110x_devctl *ctl; 533 534 ctl = dvb_attach(stv6110x_attach, 535 a->fe_adap[0].fe, 536 &technisat_usb2_stv6110x_config, 537 &a->dev->i2c_adap); 538 539 if (ctl) { 540 technisat_usb2_stv090x_config.tuner_init = ctl->tuner_init; 541 technisat_usb2_stv090x_config.tuner_sleep = ctl->tuner_sleep; 542 technisat_usb2_stv090x_config.tuner_set_mode = ctl->tuner_set_mode; 543 technisat_usb2_stv090x_config.tuner_set_frequency = ctl->tuner_set_frequency; 544 technisat_usb2_stv090x_config.tuner_get_frequency = ctl->tuner_get_frequency; 545 technisat_usb2_stv090x_config.tuner_set_bandwidth = ctl->tuner_set_bandwidth; 546 technisat_usb2_stv090x_config.tuner_get_bandwidth = ctl->tuner_get_bandwidth; 547 technisat_usb2_stv090x_config.tuner_set_bbgain = ctl->tuner_set_bbgain; 548 technisat_usb2_stv090x_config.tuner_get_bbgain = ctl->tuner_get_bbgain; 549 technisat_usb2_stv090x_config.tuner_set_refclk = ctl->tuner_set_refclk; 550 technisat_usb2_stv090x_config.tuner_get_status = ctl->tuner_get_status; 551 552 /* call the init function once to initialize 553 tuner's clock output divider and demod's 554 master clock */ 555 if (a->fe_adap[0].fe->ops.init) 556 a->fe_adap[0].fe->ops.init(a->fe_adap[0].fe); 557 558 if (mutex_lock_interruptible(&a->dev->i2c_mutex) < 0) 559 return -EAGAIN; 560 561 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 562 SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST, 563 USB_TYPE_VENDOR | USB_DIR_OUT, 564 0, 0, 565 NULL, 0, 500); 566 mutex_unlock(&a->dev->i2c_mutex); 567 568 if (ret != 0) 569 err("could not set IF_CLK to external"); 570 571 a->fe_adap[0].fe->ops.set_voltage = technisat_usb2_set_voltage; 572 573 /* if everything was successful assign a nice name to the frontend */ 574 strlcpy(a->fe_adap[0].fe->ops.info.name, a->dev->desc->name, 575 sizeof(a->fe_adap[0].fe->ops.info.name)); 576 } else { 577 dvb_frontend_detach(a->fe_adap[0].fe); 578 a->fe_adap[0].fe = NULL; 579 } 580 } 581 582 technisat_usb2_set_led_timer(a->dev, 1, 1); 583 584 return a->fe_adap[0].fe == NULL ? -ENODEV : 0; 585 } 586 587 /* Remote control */ 588 589 /* the device is giving providing raw IR-signals to the host mapping 590 * it only to one remote control is just the default implementation 591 */ 592 #define NOMINAL_IR_BIT_TRANSITION_TIME_US 889 593 #define NOMINAL_IR_BIT_TIME_US (2 * NOMINAL_IR_BIT_TRANSITION_TIME_US) 594 595 #define FIRMWARE_CLOCK_TICK 83333 596 #define FIRMWARE_CLOCK_DIVISOR 256 597 598 #define IR_PERCENT_TOLERANCE 15 599 600 #define NOMINAL_IR_BIT_TRANSITION_TICKS ((NOMINAL_IR_BIT_TRANSITION_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) 601 #define NOMINAL_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICKS / FIRMWARE_CLOCK_DIVISOR) 602 603 #define NOMINAL_IR_BIT_TIME_TICKS ((NOMINAL_IR_BIT_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) 604 #define NOMINAL_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICKS / FIRMWARE_CLOCK_DIVISOR) 605 606 #define MINIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT - ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 607 #define MAXIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT + ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 608 609 #define MINIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT - ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 610 #define MAXIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT + ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 611 612 static int technisat_usb2_get_ir(struct dvb_usb_device *d) 613 { 614 struct technisat_usb2_state *state = d->priv; 615 u8 *buf = state->buf; 616 u8 *b; 617 int ret; 618 struct ir_raw_event ev; 619 620 buf[0] = GET_IR_DATA_VENDOR_REQUEST; 621 buf[1] = 0x08; 622 buf[2] = 0x8f; 623 buf[3] = MINIMUM_IR_BIT_TRANSITION_TICK_COUNT; 624 buf[4] = MAXIMUM_IR_BIT_TIME_TICK_COUNT; 625 626 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 627 return -EAGAIN; 628 ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), 629 GET_IR_DATA_VENDOR_REQUEST, 630 USB_TYPE_VENDOR | USB_DIR_OUT, 631 0, 0, 632 buf, 5, 500); 633 if (ret < 0) 634 goto unlock; 635 636 buf[1] = 0; 637 buf[2] = 0; 638 ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), 639 GET_IR_DATA_VENDOR_REQUEST, 640 USB_TYPE_VENDOR | USB_DIR_IN, 641 0x8080, 0, 642 buf, 62, 500); 643 644 unlock: 645 mutex_unlock(&d->i2c_mutex); 646 647 if (ret < 0) 648 return ret; 649 650 if (ret == 1) 651 return 0; /* no key pressed */ 652 653 /* decoding */ 654 b = buf+1; 655 656 #if 0 657 deb_rc("RC: %d ", ret); 658 debug_dump(b, ret, deb_rc); 659 #endif 660 661 ev.pulse = 0; 662 while (1) { 663 ev.pulse = !ev.pulse; 664 ev.duration = (*b * FIRMWARE_CLOCK_DIVISOR * FIRMWARE_CLOCK_TICK) / 1000; 665 ir_raw_event_store(d->rc_dev, &ev); 666 667 b++; 668 if (*b == 0xff) { 669 ev.pulse = 0; 670 ev.duration = 888888*2; 671 ir_raw_event_store(d->rc_dev, &ev); 672 break; 673 } 674 } 675 676 ir_raw_event_handle(d->rc_dev); 677 678 return 1; 679 } 680 681 static int technisat_usb2_rc_query(struct dvb_usb_device *d) 682 { 683 int ret = technisat_usb2_get_ir(d); 684 685 if (ret < 0) 686 return ret; 687 688 if (ret == 0) 689 return 0; 690 691 if (!disable_led_control) 692 technisat_usb2_set_led(d, 1, TECH_LED_BLINK); 693 694 return 0; 695 } 696 697 /* DVB-USB and USB stuff follows */ 698 static struct usb_device_id technisat_usb2_id_table[] = { 699 { USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_DVB_S2) }, 700 { 0 } /* Terminating entry */ 701 }; 702 MODULE_DEVICE_TABLE(usb, technisat_usb2_id_table); 703 704 /* device description */ 705 static struct dvb_usb_device_properties technisat_usb2_devices = { 706 .caps = DVB_USB_IS_AN_I2C_ADAPTER, 707 708 .usb_ctrl = CYPRESS_FX2, 709 710 .identify_state = technisat_usb2_identify_state, 711 .firmware = "dvb-usb-SkyStar_USB_HD_FW_v17_63.HEX.fw", 712 713 .size_of_priv = sizeof(struct technisat_usb2_state), 714 715 .i2c_algo = &technisat_usb2_i2c_algo, 716 717 .power_ctrl = technisat_usb2_power_ctrl, 718 .read_mac_address = technisat_usb2_read_mac_address, 719 720 .num_adapters = 1, 721 .adapter = { 722 { 723 .num_frontends = 1, 724 .fe = {{ 725 .frontend_attach = technisat_usb2_frontend_attach, 726 727 .stream = { 728 .type = USB_ISOC, 729 .count = 4, 730 .endpoint = 0x2, 731 .u = { 732 .isoc = { 733 .framesperurb = 32, 734 .framesize = 2048, 735 .interval = 1, 736 } 737 } 738 }, 739 }}, 740 .size_of_priv = 0, 741 }, 742 }, 743 744 .num_device_descs = 1, 745 .devices = { 746 { "Technisat SkyStar USB HD (DVB-S/S2)", 747 { &technisat_usb2_id_table[0], NULL }, 748 { NULL }, 749 }, 750 }, 751 752 .rc.core = { 753 .rc_interval = 100, 754 .rc_codes = RC_MAP_TECHNISAT_USB2, 755 .module_name = "technisat-usb2", 756 .rc_query = technisat_usb2_rc_query, 757 .allowed_protos = RC_BIT_ALL, 758 .driver_type = RC_DRIVER_IR_RAW, 759 } 760 }; 761 762 static int technisat_usb2_probe(struct usb_interface *intf, 763 const struct usb_device_id *id) 764 { 765 struct dvb_usb_device *dev; 766 767 if (dvb_usb_device_init(intf, &technisat_usb2_devices, THIS_MODULE, 768 &dev, adapter_nr) != 0) 769 return -ENODEV; 770 771 if (dev) { 772 struct technisat_usb2_state *state = dev->priv; 773 state->dev = dev; 774 775 if (!disable_led_control) { 776 INIT_DELAYED_WORK(&state->green_led_work, 777 technisat_usb2_green_led_control); 778 schedule_delayed_work(&state->green_led_work, 779 msecs_to_jiffies(500)); 780 } 781 } 782 783 return 0; 784 } 785 786 static void technisat_usb2_disconnect(struct usb_interface *intf) 787 { 788 struct dvb_usb_device *dev = usb_get_intfdata(intf); 789 790 /* work and stuff was only created when the device is is hot-state */ 791 if (dev != NULL) { 792 struct technisat_usb2_state *state = dev->priv; 793 if (state != NULL) 794 cancel_delayed_work_sync(&state->green_led_work); 795 } 796 797 dvb_usb_device_exit(intf); 798 } 799 800 static struct usb_driver technisat_usb2_driver = { 801 .name = "dvb_usb_technisat_usb2", 802 .probe = technisat_usb2_probe, 803 .disconnect = technisat_usb2_disconnect, 804 .id_table = technisat_usb2_id_table, 805 }; 806 807 module_usb_driver(technisat_usb2_driver); 808 809 MODULE_AUTHOR("Patrick Boettcher <pboettcher@kernellabs.com>"); 810 MODULE_DESCRIPTION("Driver for Technisat DVB-S/S2 USB 2.0 device"); 811 MODULE_VERSION("1.0"); 812 MODULE_LICENSE("GPL"); 813