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 (default: 0 - LED control is active)."); 54 55 /* device private data */ 56 struct technisat_usb2_state { 57 struct dvb_usb_device *dev; 58 struct delayed_work green_led_work; 59 u8 power_state; 60 61 u16 last_scan_code; 62 63 u8 buf[64]; 64 }; 65 66 /* debug print helpers */ 67 #define deb_info(args...) dprintk(debug, 0x01, args) 68 #define deb_eeprom(args...) dprintk(debug, 0x02, args) 69 #define deb_i2c(args...) dprintk(debug, 0x04, args) 70 #define deb_rc(args...) dprintk(debug, 0x08, args) 71 72 /* vendor requests */ 73 #define SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST 0xB3 74 #define SET_FRONT_END_RESET_VENDOR_REQUEST 0xB4 75 #define GET_VERSION_INFO_VENDOR_REQUEST 0xB5 76 #define SET_GREEN_LED_VENDOR_REQUEST 0xB6 77 #define SET_RED_LED_VENDOR_REQUEST 0xB7 78 #define GET_IR_DATA_VENDOR_REQUEST 0xB8 79 #define SET_LED_TIMER_DIVIDER_VENDOR_REQUEST 0xB9 80 #define SET_USB_REENUMERATION 0xBA 81 82 /* i2c-access methods */ 83 #define I2C_SPEED_100KHZ_BIT 0x40 84 85 #define I2C_STATUS_NAK 7 86 #define I2C_STATUS_OK 8 87 88 static int technisat_usb2_i2c_access(struct usb_device *udev, 89 u8 device_addr, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) 90 { 91 u8 *b; 92 int ret, actual_length; 93 94 b = kmalloc(64, GFP_KERNEL); 95 if (!b) 96 return -ENOMEM; 97 98 deb_i2c("i2c-access: %02x, tx: ", device_addr); 99 debug_dump(tx, txlen, deb_i2c); 100 deb_i2c(" "); 101 102 if (txlen > 62) { 103 err("i2c TX buffer can't exceed 62 bytes (dev 0x%02x)", 104 device_addr); 105 txlen = 62; 106 } 107 if (rxlen > 62) { 108 err("i2c RX buffer can't exceed 62 bytes (dev 0x%02x)", 109 device_addr); 110 rxlen = 62; 111 } 112 113 b[0] = I2C_SPEED_100KHZ_BIT; 114 b[1] = device_addr << 1; 115 116 if (rx != NULL) { 117 b[0] |= rxlen; 118 b[1] |= 1; 119 } 120 121 memcpy(&b[2], tx, txlen); 122 ret = usb_bulk_msg(udev, 123 usb_sndbulkpipe(udev, 0x01), 124 b, 2 + txlen, 125 NULL, 1000); 126 127 if (ret < 0) { 128 err("i2c-error: out failed %02x = %d", device_addr, ret); 129 goto err; 130 } 131 132 ret = usb_bulk_msg(udev, 133 usb_rcvbulkpipe(udev, 0x01), 134 b, 64, &actual_length, 1000); 135 if (ret < 0) { 136 err("i2c-error: in failed %02x = %d", device_addr, ret); 137 goto err; 138 } 139 140 if (b[0] != I2C_STATUS_OK) { 141 err("i2c-error: %02x = %d", device_addr, b[0]); 142 /* handle tuner-i2c-nak */ 143 if (!(b[0] == I2C_STATUS_NAK && 144 device_addr == 0x60 145 /* && device_is_technisat_usb2 */)) 146 goto err; 147 } 148 149 deb_i2c("status: %d, ", b[0]); 150 151 if (rx != NULL) { 152 memcpy(rx, &b[2], rxlen); 153 154 deb_i2c("rx (%d): ", rxlen); 155 debug_dump(rx, rxlen, deb_i2c); 156 } 157 158 deb_i2c("\n"); 159 160 err: 161 kfree(b); 162 return ret; 163 } 164 165 static int technisat_usb2_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, 166 int num) 167 { 168 int ret = 0, i; 169 struct dvb_usb_device *d = i2c_get_adapdata(adap); 170 171 /* Ensure nobody else hits the i2c bus while we're sending our 172 sequence of messages, (such as the remote control thread) */ 173 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 174 return -EAGAIN; 175 176 for (i = 0; i < num; i++) { 177 if (i+1 < num && msg[i+1].flags & I2C_M_RD) { 178 ret = technisat_usb2_i2c_access(d->udev, msg[i+1].addr, 179 msg[i].buf, msg[i].len, 180 msg[i+1].buf, msg[i+1].len); 181 if (ret != 0) 182 break; 183 i++; 184 } else { 185 ret = technisat_usb2_i2c_access(d->udev, msg[i].addr, 186 msg[i].buf, msg[i].len, 187 NULL, 0); 188 if (ret != 0) 189 break; 190 } 191 } 192 193 if (ret == 0) 194 ret = i; 195 196 mutex_unlock(&d->i2c_mutex); 197 198 return ret; 199 } 200 201 static u32 technisat_usb2_i2c_func(struct i2c_adapter *adapter) 202 { 203 return I2C_FUNC_I2C; 204 } 205 206 static struct i2c_algorithm technisat_usb2_i2c_algo = { 207 .master_xfer = technisat_usb2_i2c_xfer, 208 .functionality = technisat_usb2_i2c_func, 209 }; 210 211 #if 0 212 static void technisat_usb2_frontend_reset(struct usb_device *udev) 213 { 214 usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 215 SET_FRONT_END_RESET_VENDOR_REQUEST, 216 USB_TYPE_VENDOR | USB_DIR_OUT, 217 10, 0, 218 NULL, 0, 500); 219 } 220 #endif 221 222 /* LED control */ 223 enum technisat_usb2_led_state { 224 TECH_LED_OFF, 225 TECH_LED_BLINK, 226 TECH_LED_ON, 227 TECH_LED_UNDEFINED 228 }; 229 230 static int technisat_usb2_set_led(struct dvb_usb_device *d, int red, 231 enum technisat_usb2_led_state st) 232 { 233 struct technisat_usb2_state *state = d->priv; 234 u8 *led = state->buf; 235 int ret; 236 237 led[0] = red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST; 238 239 if (disable_led_control && st != TECH_LED_OFF) 240 return 0; 241 242 switch (st) { 243 case TECH_LED_ON: 244 led[1] = 0x82; 245 break; 246 case TECH_LED_BLINK: 247 led[1] = 0x82; 248 if (red) { 249 led[2] = 0x02; 250 led[3] = 10; 251 led[4] = 10; 252 } else { 253 led[2] = 0xff; 254 led[3] = 50; 255 led[4] = 50; 256 } 257 led[5] = 1; 258 break; 259 260 default: 261 case TECH_LED_OFF: 262 led[1] = 0x80; 263 break; 264 } 265 266 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 267 return -EAGAIN; 268 269 ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), 270 red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST, 271 USB_TYPE_VENDOR | USB_DIR_OUT, 272 0, 0, 273 led, 8, 500); 274 275 mutex_unlock(&d->i2c_mutex); 276 return ret; 277 } 278 279 static int technisat_usb2_set_led_timer(struct dvb_usb_device *d, u8 red, u8 green) 280 { 281 struct technisat_usb2_state *state = d->priv; 282 u8 *b = state->buf; 283 int ret; 284 285 b[0] = 0; 286 287 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 288 return -EAGAIN; 289 290 ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), 291 SET_LED_TIMER_DIVIDER_VENDOR_REQUEST, 292 USB_TYPE_VENDOR | USB_DIR_OUT, 293 (red << 8) | green, 0, 294 b, 1, 500); 295 296 mutex_unlock(&d->i2c_mutex); 297 298 return ret; 299 } 300 301 static void technisat_usb2_green_led_control(struct work_struct *work) 302 { 303 struct technisat_usb2_state *state = 304 container_of(work, struct technisat_usb2_state, green_led_work.work); 305 struct dvb_frontend *fe = state->dev->adapter[0].fe_adap[0].fe; 306 307 if (state->power_state == 0) 308 goto schedule; 309 310 if (fe != NULL) { 311 enum fe_status status; 312 313 if (fe->ops.read_status(fe, &status) != 0) 314 goto schedule; 315 316 if (status & FE_HAS_LOCK) { 317 u32 ber; 318 319 if (fe->ops.read_ber(fe, &ber) != 0) 320 goto schedule; 321 322 if (ber > 1000) 323 technisat_usb2_set_led(state->dev, 0, TECH_LED_BLINK); 324 else 325 technisat_usb2_set_led(state->dev, 0, TECH_LED_ON); 326 } else 327 technisat_usb2_set_led(state->dev, 0, TECH_LED_OFF); 328 } 329 330 schedule: 331 schedule_delayed_work(&state->green_led_work, 332 msecs_to_jiffies(500)); 333 } 334 335 /* method to find out whether the firmware has to be downloaded or not */ 336 static int technisat_usb2_identify_state(struct usb_device *udev, 337 struct dvb_usb_device_properties *props, 338 struct dvb_usb_device_description **desc, int *cold) 339 { 340 int ret; 341 u8 *version; 342 343 version = kmalloc(3, GFP_KERNEL); 344 if (!version) 345 return -ENOMEM; 346 347 /* first select the interface */ 348 if (usb_set_interface(udev, 0, 1) != 0) 349 err("could not set alternate setting to 0"); 350 else 351 info("set alternate setting"); 352 353 *cold = 0; /* by default do not download a firmware - just in case something is wrong */ 354 355 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 356 GET_VERSION_INFO_VENDOR_REQUEST, 357 USB_TYPE_VENDOR | USB_DIR_IN, 358 0, 0, 359 version, 3, 500); 360 361 if (ret < 0) 362 *cold = 1; 363 else { 364 info("firmware version: %d.%d", version[1], version[2]); 365 *cold = 0; 366 } 367 368 kfree(version); 369 370 return 0; 371 } 372 373 /* power control */ 374 static int technisat_usb2_power_ctrl(struct dvb_usb_device *d, int level) 375 { 376 struct technisat_usb2_state *state = d->priv; 377 378 state->power_state = level; 379 380 if (disable_led_control) 381 return 0; 382 383 /* green led is turned off in any case - will be turned on when tuning */ 384 technisat_usb2_set_led(d, 0, TECH_LED_OFF); 385 /* red led is turned on all the time */ 386 technisat_usb2_set_led(d, 1, TECH_LED_ON); 387 return 0; 388 } 389 390 /* mac address reading - from the eeprom */ 391 #if 0 392 static void technisat_usb2_eeprom_dump(struct dvb_usb_device *d) 393 { 394 u8 reg; 395 u8 b[16]; 396 int i, j; 397 398 /* full EEPROM dump */ 399 for (j = 0; j < 256 * 4; j += 16) { 400 reg = j; 401 if (technisat_usb2_i2c_access(d->udev, 0x50 + j / 256, ®, 1, b, 16) != 0) 402 break; 403 404 deb_eeprom("EEPROM: %01x%02x: ", j / 256, reg); 405 for (i = 0; i < 16; i++) 406 deb_eeprom("%02x ", b[i]); 407 deb_eeprom("\n"); 408 } 409 } 410 #endif 411 412 static u8 technisat_usb2_calc_lrc(const u8 *b, u16 length) 413 { 414 u8 lrc = 0; 415 while (--length) 416 lrc ^= *b++; 417 return lrc; 418 } 419 420 static int technisat_usb2_eeprom_lrc_read(struct dvb_usb_device *d, 421 u16 offset, u8 *b, u16 length, u8 tries) 422 { 423 u8 bo = offset & 0xff; 424 struct i2c_msg msg[] = { 425 { 426 .addr = 0x50 | ((offset >> 8) & 0x3), 427 .buf = &bo, 428 .len = 1 429 }, { 430 .addr = 0x50 | ((offset >> 8) & 0x3), 431 .flags = I2C_M_RD, 432 .buf = b, 433 .len = length 434 } 435 }; 436 437 while (tries--) { 438 int status; 439 440 if (i2c_transfer(&d->i2c_adap, msg, 2) != 2) 441 break; 442 443 status = 444 technisat_usb2_calc_lrc(b, length - 1) == b[length - 1]; 445 446 if (status) 447 return 0; 448 } 449 450 return -EREMOTEIO; 451 } 452 453 #define EEPROM_MAC_START 0x3f8 454 #define EEPROM_MAC_TOTAL 8 455 static int technisat_usb2_read_mac_address(struct dvb_usb_device *d, 456 u8 mac[]) 457 { 458 u8 buf[EEPROM_MAC_TOTAL]; 459 460 if (technisat_usb2_eeprom_lrc_read(d, EEPROM_MAC_START, 461 buf, EEPROM_MAC_TOTAL, 4) != 0) 462 return -ENODEV; 463 464 memcpy(mac, buf, 6); 465 return 0; 466 } 467 468 static struct stv090x_config technisat_usb2_stv090x_config; 469 470 /* frontend attach */ 471 static int technisat_usb2_set_voltage(struct dvb_frontend *fe, 472 enum fe_sec_voltage voltage) 473 { 474 int i; 475 u8 gpio[3] = { 0 }; /* 0 = 2, 1 = 3, 2 = 4 */ 476 477 gpio[2] = 1; /* high - voltage ? */ 478 479 switch (voltage) { 480 case SEC_VOLTAGE_13: 481 gpio[0] = 1; 482 break; 483 case SEC_VOLTAGE_18: 484 gpio[0] = 1; 485 gpio[1] = 1; 486 break; 487 default: 488 case SEC_VOLTAGE_OFF: 489 break; 490 } 491 492 for (i = 0; i < 3; i++) 493 if (technisat_usb2_stv090x_config.set_gpio(fe, i+2, 0, 494 gpio[i], 0) != 0) 495 return -EREMOTEIO; 496 return 0; 497 } 498 499 static struct stv090x_config technisat_usb2_stv090x_config = { 500 .device = STV0903, 501 .demod_mode = STV090x_SINGLE, 502 .clk_mode = STV090x_CLK_EXT, 503 504 .xtal = 8000000, 505 .address = 0x68, 506 507 .ts1_mode = STV090x_TSMODE_DVBCI, 508 .ts1_clk = 13400000, 509 .ts1_tei = 1, 510 511 .repeater_level = STV090x_RPTLEVEL_64, 512 513 .tuner_bbgain = 6, 514 }; 515 516 static struct stv6110x_config technisat_usb2_stv6110x_config = { 517 .addr = 0x60, 518 .refclk = 16000000, 519 .clk_div = 2, 520 }; 521 522 static int technisat_usb2_frontend_attach(struct dvb_usb_adapter *a) 523 { 524 struct usb_device *udev = a->dev->udev; 525 int ret; 526 527 a->fe_adap[0].fe = dvb_attach(stv090x_attach, &technisat_usb2_stv090x_config, 528 &a->dev->i2c_adap, STV090x_DEMODULATOR_0); 529 530 if (a->fe_adap[0].fe) { 531 const struct stv6110x_devctl *ctl; 532 533 ctl = dvb_attach(stv6110x_attach, 534 a->fe_adap[0].fe, 535 &technisat_usb2_stv6110x_config, 536 &a->dev->i2c_adap); 537 538 if (ctl) { 539 technisat_usb2_stv090x_config.tuner_init = ctl->tuner_init; 540 technisat_usb2_stv090x_config.tuner_sleep = ctl->tuner_sleep; 541 technisat_usb2_stv090x_config.tuner_set_mode = ctl->tuner_set_mode; 542 technisat_usb2_stv090x_config.tuner_set_frequency = ctl->tuner_set_frequency; 543 technisat_usb2_stv090x_config.tuner_get_frequency = ctl->tuner_get_frequency; 544 technisat_usb2_stv090x_config.tuner_set_bandwidth = ctl->tuner_set_bandwidth; 545 technisat_usb2_stv090x_config.tuner_get_bandwidth = ctl->tuner_get_bandwidth; 546 technisat_usb2_stv090x_config.tuner_set_bbgain = ctl->tuner_set_bbgain; 547 technisat_usb2_stv090x_config.tuner_get_bbgain = ctl->tuner_get_bbgain; 548 technisat_usb2_stv090x_config.tuner_set_refclk = ctl->tuner_set_refclk; 549 technisat_usb2_stv090x_config.tuner_get_status = ctl->tuner_get_status; 550 551 /* call the init function once to initialize 552 tuner's clock output divider and demod's 553 master clock */ 554 if (a->fe_adap[0].fe->ops.init) 555 a->fe_adap[0].fe->ops.init(a->fe_adap[0].fe); 556 557 if (mutex_lock_interruptible(&a->dev->i2c_mutex) < 0) 558 return -EAGAIN; 559 560 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 561 SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST, 562 USB_TYPE_VENDOR | USB_DIR_OUT, 563 0, 0, 564 NULL, 0, 500); 565 mutex_unlock(&a->dev->i2c_mutex); 566 567 if (ret != 0) 568 err("could not set IF_CLK to external"); 569 570 a->fe_adap[0].fe->ops.set_voltage = technisat_usb2_set_voltage; 571 572 /* if everything was successful assign a nice name to the frontend */ 573 strlcpy(a->fe_adap[0].fe->ops.info.name, a->dev->desc->name, 574 sizeof(a->fe_adap[0].fe->ops.info.name)); 575 } else { 576 dvb_frontend_detach(a->fe_adap[0].fe); 577 a->fe_adap[0].fe = NULL; 578 } 579 } 580 581 technisat_usb2_set_led_timer(a->dev, 1, 1); 582 583 return a->fe_adap[0].fe == NULL ? -ENODEV : 0; 584 } 585 586 /* Remote control */ 587 588 /* the device is giving providing raw IR-signals to the host mapping 589 * it only to one remote control is just the default implementation 590 */ 591 #define NOMINAL_IR_BIT_TRANSITION_TIME_US 889 592 #define NOMINAL_IR_BIT_TIME_US (2 * NOMINAL_IR_BIT_TRANSITION_TIME_US) 593 594 #define FIRMWARE_CLOCK_TICK 83333 595 #define FIRMWARE_CLOCK_DIVISOR 256 596 597 #define IR_PERCENT_TOLERANCE 15 598 599 #define NOMINAL_IR_BIT_TRANSITION_TICKS ((NOMINAL_IR_BIT_TRANSITION_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) 600 #define NOMINAL_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICKS / FIRMWARE_CLOCK_DIVISOR) 601 602 #define NOMINAL_IR_BIT_TIME_TICKS ((NOMINAL_IR_BIT_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK) 603 #define NOMINAL_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICKS / FIRMWARE_CLOCK_DIVISOR) 604 605 #define MINIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT - ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 606 #define MAXIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT + ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 607 608 #define MINIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT - ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 609 #define MAXIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT + ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100)) 610 611 static int technisat_usb2_get_ir(struct dvb_usb_device *d) 612 { 613 struct technisat_usb2_state *state = d->priv; 614 u8 *buf = state->buf; 615 u8 *b; 616 int ret; 617 struct ir_raw_event ev; 618 619 buf[0] = GET_IR_DATA_VENDOR_REQUEST; 620 buf[1] = 0x08; 621 buf[2] = 0x8f; 622 buf[3] = MINIMUM_IR_BIT_TRANSITION_TICK_COUNT; 623 buf[4] = MAXIMUM_IR_BIT_TIME_TICK_COUNT; 624 625 if (mutex_lock_interruptible(&d->i2c_mutex) < 0) 626 return -EAGAIN; 627 ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), 628 GET_IR_DATA_VENDOR_REQUEST, 629 USB_TYPE_VENDOR | USB_DIR_OUT, 630 0, 0, 631 buf, 5, 500); 632 if (ret < 0) 633 goto unlock; 634 635 buf[1] = 0; 636 buf[2] = 0; 637 ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), 638 GET_IR_DATA_VENDOR_REQUEST, 639 USB_TYPE_VENDOR | USB_DIR_IN, 640 0x8080, 0, 641 buf, 62, 500); 642 643 unlock: 644 mutex_unlock(&d->i2c_mutex); 645 646 if (ret < 0) 647 return ret; 648 649 if (ret == 1) 650 return 0; /* no key pressed */ 651 652 /* decoding */ 653 b = buf+1; 654 655 #if 0 656 deb_rc("RC: %d ", ret); 657 debug_dump(b, ret, deb_rc); 658 #endif 659 660 ev.pulse = 0; 661 while (1) { 662 ev.pulse = !ev.pulse; 663 ev.duration = (*b * FIRMWARE_CLOCK_DIVISOR * FIRMWARE_CLOCK_TICK) / 1000; 664 ir_raw_event_store(d->rc_dev, &ev); 665 666 b++; 667 if (*b == 0xff) { 668 ev.pulse = 0; 669 ev.duration = 888888*2; 670 ir_raw_event_store(d->rc_dev, &ev); 671 break; 672 } 673 } 674 675 ir_raw_event_handle(d->rc_dev); 676 677 return 1; 678 } 679 680 static int technisat_usb2_rc_query(struct dvb_usb_device *d) 681 { 682 int ret = technisat_usb2_get_ir(d); 683 684 if (ret < 0) 685 return ret; 686 687 if (ret == 0) 688 return 0; 689 690 if (!disable_led_control) 691 technisat_usb2_set_led(d, 1, TECH_LED_BLINK); 692 693 return 0; 694 } 695 696 /* DVB-USB and USB stuff follows */ 697 static struct usb_device_id technisat_usb2_id_table[] = { 698 { USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_DVB_S2) }, 699 { 0 } /* Terminating entry */ 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[0], 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_BIT_ALL, 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