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33#define DVB_USB_LOG_PREFIX "technisat-usb2"
34#include "dvb-usb.h"
35
36#include "stv6110x.h"
37#include "stv090x.h"
38
39
40DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
41
42static int debug;
43module_param(debug, int, 0644);
44MODULE_PARM_DESC(debug,
45 "set debugging level (bit-mask: 1=info,2=eeprom,4=i2c,8=rc)." \
46 DVB_USB_DEBUG_STATUS);
47
48
49
50static int disable_led_control;
51module_param(disable_led_control, int, 0444);
52MODULE_PARM_DESC(disable_led_control,
53 "disable LED control of the device "
54 "(default: 0 - LED control is active).");
55
56
57struct 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
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
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
82#define I2C_SPEED_100KHZ_BIT 0x40
83
84#define I2C_STATUS_NAK 7
85#define I2C_STATUS_OK 8
86
87static 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
138 if (!(b[0] == I2C_STATUS_NAK &&
139 device_addr == 0x60
140 ))
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
158static 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
165
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
194static u32 technisat_usb2_i2c_func(struct i2c_adapter *adapter)
195{
196 return I2C_FUNC_I2C;
197}
198
199static 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
205static 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
216enum technisat_usb2_led_state {
217 TECH_LED_OFF,
218 TECH_LED_BLINK,
219 TECH_LED_ON,
220 TECH_LED_UNDEFINED
221};
222
223static 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
272static 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
291static 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
320schedule:
321 schedule_delayed_work(&state->green_led_work,
322 msecs_to_jiffies(500));
323}
324
325
326static 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
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;
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
358static 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
368 technisat_usb2_set_led(d, 0, TECH_LED_OFF);
369
370 technisat_usb2_set_led(d, 1, TECH_LED_ON);
371 return 0;
372}
373
374
375#if 0
376static void technisat_usb2_eeprom_dump(struct dvb_usb_device *d)
377{
378 u8 reg;
379 u8 b[16];
380 int i, j;
381
382
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
396static 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
404static 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
439static 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
453static int technisat_usb2_set_voltage(struct dvb_frontend *fe,
454 fe_sec_voltage_t voltage)
455{
456 int i;
457 u8 gpio[3] = { 0 };
458
459 gpio[2] = 1;
460
461 switch (voltage) {
462 case SEC_VOLTAGE_13:
463 gpio[0] = 1;
464 break;
465 case SEC_VOLTAGE_18:
466 gpio[0] = 1;
467 gpio[1] = 1;
468 break;
469 default:
470 case SEC_VOLTAGE_OFF:
471 break;
472 }
473
474 for (i = 0; i < 3; i++)
475 if (stv090x_set_gpio(fe, i+2, 0, gpio[i], 0) != 0)
476 return -EREMOTEIO;
477 return 0;
478}
479
480static struct stv090x_config technisat_usb2_stv090x_config = {
481 .device = STV0903,
482 .demod_mode = STV090x_SINGLE,
483 .clk_mode = STV090x_CLK_EXT,
484
485 .xtal = 8000000,
486 .address = 0x68,
487
488 .ts1_mode = STV090x_TSMODE_DVBCI,
489 .ts1_clk = 13400000,
490 .ts1_tei = 1,
491
492 .repeater_level = STV090x_RPTLEVEL_64,
493
494 .tuner_bbgain = 6,
495};
496
497static struct stv6110x_config technisat_usb2_stv6110x_config = {
498 .addr = 0x60,
499 .refclk = 16000000,
500 .clk_div = 2,
501};
502
503static int technisat_usb2_frontend_attach(struct dvb_usb_adapter *a)
504{
505 struct usb_device *udev = a->dev->udev;
506 int ret;
507
508 a->fe_adap[0].fe = dvb_attach(stv090x_attach, &technisat_usb2_stv090x_config,
509 &a->dev->i2c_adap, STV090x_DEMODULATOR_0);
510
511 if (a->fe_adap[0].fe) {
512 struct stv6110x_devctl *ctl;
513
514 ctl = dvb_attach(stv6110x_attach,
515 a->fe_adap[0].fe,
516 &technisat_usb2_stv6110x_config,
517 &a->dev->i2c_adap);
518
519 if (ctl) {
520 technisat_usb2_stv090x_config.tuner_init = ctl->tuner_init;
521 technisat_usb2_stv090x_config.tuner_sleep = ctl->tuner_sleep;
522 technisat_usb2_stv090x_config.tuner_set_mode = ctl->tuner_set_mode;
523 technisat_usb2_stv090x_config.tuner_set_frequency = ctl->tuner_set_frequency;
524 technisat_usb2_stv090x_config.tuner_get_frequency = ctl->tuner_get_frequency;
525 technisat_usb2_stv090x_config.tuner_set_bandwidth = ctl->tuner_set_bandwidth;
526 technisat_usb2_stv090x_config.tuner_get_bandwidth = ctl->tuner_get_bandwidth;
527 technisat_usb2_stv090x_config.tuner_set_bbgain = ctl->tuner_set_bbgain;
528 technisat_usb2_stv090x_config.tuner_get_bbgain = ctl->tuner_get_bbgain;
529 technisat_usb2_stv090x_config.tuner_set_refclk = ctl->tuner_set_refclk;
530 technisat_usb2_stv090x_config.tuner_get_status = ctl->tuner_get_status;
531
532
533
534
535 if (a->fe_adap[0].fe->ops.init)
536 a->fe_adap[0].fe->ops.init(a->fe_adap[0].fe);
537
538 if (mutex_lock_interruptible(&a->dev->i2c_mutex) < 0)
539 return -EAGAIN;
540
541 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
542 SET_IFCLK_TO_EXTERNAL_TSCLK_VENDOR_REQUEST,
543 USB_TYPE_VENDOR | USB_DIR_OUT,
544 0, 0,
545 NULL, 0, 500);
546 mutex_unlock(&a->dev->i2c_mutex);
547
548 if (ret != 0)
549 err("could not set IF_CLK to external");
550
551 a->fe_adap[0].fe->ops.set_voltage = technisat_usb2_set_voltage;
552
553
554 strlcpy(a->fe_adap[0].fe->ops.info.name, a->dev->desc->name,
555 sizeof(a->fe_adap[0].fe->ops.info.name));
556 } else {
557 dvb_frontend_detach(a->fe_adap[0].fe);
558 a->fe_adap[0].fe = NULL;
559 }
560 }
561
562 technisat_usb2_set_led_timer(a->dev, 1, 1);
563
564 return a->fe_adap[0].fe == NULL ? -ENODEV : 0;
565}
566
567
568
569
570
571
572#define NOMINAL_IR_BIT_TRANSITION_TIME_US 889
573#define NOMINAL_IR_BIT_TIME_US (2 * NOMINAL_IR_BIT_TRANSITION_TIME_US)
574
575#define FIRMWARE_CLOCK_TICK 83333
576#define FIRMWARE_CLOCK_DIVISOR 256
577
578#define IR_PERCENT_TOLERANCE 15
579
580#define NOMINAL_IR_BIT_TRANSITION_TICKS ((NOMINAL_IR_BIT_TRANSITION_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK)
581#define NOMINAL_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICKS / FIRMWARE_CLOCK_DIVISOR)
582
583#define NOMINAL_IR_BIT_TIME_TICKS ((NOMINAL_IR_BIT_TIME_US * 1000 * 1000) / FIRMWARE_CLOCK_TICK)
584#define NOMINAL_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICKS / FIRMWARE_CLOCK_DIVISOR)
585
586#define MINIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT - ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100))
587#define MAXIMUM_IR_BIT_TRANSITION_TICK_COUNT (NOMINAL_IR_BIT_TRANSITION_TICK_COUNT + ((NOMINAL_IR_BIT_TRANSITION_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100))
588
589#define MINIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT - ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100))
590#define MAXIMUM_IR_BIT_TIME_TICK_COUNT (NOMINAL_IR_BIT_TIME_TICK_COUNT + ((NOMINAL_IR_BIT_TIME_TICK_COUNT * IR_PERCENT_TOLERANCE) / 100))
591
592static int technisat_usb2_get_ir(struct dvb_usb_device *d)
593{
594 u8 buf[62], *b;
595 int ret;
596 struct ir_raw_event ev;
597
598 buf[0] = GET_IR_DATA_VENDOR_REQUEST;
599 buf[1] = 0x08;
600 buf[2] = 0x8f;
601 buf[3] = MINIMUM_IR_BIT_TRANSITION_TICK_COUNT;
602 buf[4] = MAXIMUM_IR_BIT_TIME_TICK_COUNT;
603
604 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
605 return -EAGAIN;
606 ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0),
607 GET_IR_DATA_VENDOR_REQUEST,
608 USB_TYPE_VENDOR | USB_DIR_OUT,
609 0, 0,
610 buf, 5, 500);
611 if (ret < 0)
612 goto unlock;
613
614 buf[1] = 0;
615 buf[2] = 0;
616 ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0),
617 GET_IR_DATA_VENDOR_REQUEST,
618 USB_TYPE_VENDOR | USB_DIR_IN,
619 0x8080, 0,
620 buf, sizeof(buf), 500);
621
622unlock:
623 mutex_unlock(&d->i2c_mutex);
624
625 if (ret < 0)
626 return ret;
627
628 if (ret == 1)
629 return 0;
630
631
632 b = buf+1;
633
634#if 0
635 deb_rc("RC: %d ", ret);
636 debug_dump(b, ret, deb_rc);
637#endif
638
639 ev.pulse = 0;
640 while (1) {
641 ev.pulse = !ev.pulse;
642 ev.duration = (*b * FIRMWARE_CLOCK_DIVISOR * FIRMWARE_CLOCK_TICK) / 1000;
643 ir_raw_event_store(d->rc_dev, &ev);
644
645 b++;
646 if (*b == 0xff) {
647 ev.pulse = 0;
648 ev.duration = 888888*2;
649 ir_raw_event_store(d->rc_dev, &ev);
650 break;
651 }
652 }
653
654 ir_raw_event_handle(d->rc_dev);
655
656 return 1;
657}
658
659static int technisat_usb2_rc_query(struct dvb_usb_device *d)
660{
661 int ret = technisat_usb2_get_ir(d);
662
663 if (ret < 0)
664 return ret;
665
666 if (ret == 0)
667 return 0;
668
669 if (!disable_led_control)
670 technisat_usb2_set_led(d, 1, TECH_LED_BLINK);
671
672 return 0;
673}
674
675
676static struct usb_device_id technisat_usb2_id_table[] = {
677 { USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_DVB_S2) },
678 { 0 }
679};
680MODULE_DEVICE_TABLE(usb, technisat_usb2_id_table);
681
682
683static struct dvb_usb_device_properties technisat_usb2_devices = {
684 .caps = DVB_USB_IS_AN_I2C_ADAPTER,
685
686 .usb_ctrl = CYPRESS_FX2,
687
688 .identify_state = technisat_usb2_identify_state,
689 .firmware = "dvb-usb-SkyStar_USB_HD_FW_v17_63.HEX.fw",
690
691 .size_of_priv = sizeof(struct technisat_usb2_state),
692
693 .i2c_algo = &technisat_usb2_i2c_algo,
694
695 .power_ctrl = technisat_usb2_power_ctrl,
696 .read_mac_address = technisat_usb2_read_mac_address,
697
698 .num_adapters = 1,
699 .adapter = {
700 {
701 .num_frontends = 1,
702 .fe = {{
703 .frontend_attach = technisat_usb2_frontend_attach,
704
705 .stream = {
706 .type = USB_ISOC,
707 .count = 8,
708 .endpoint = 0x2,
709 .u = {
710 .isoc = {
711 .framesperurb = 32,
712 .framesize = 2048,
713 .interval = 1,
714 }
715 }
716 },
717 }},
718 .size_of_priv = 0,
719 },
720 },
721
722 .num_device_descs = 1,
723 .devices = {
724 { "Technisat SkyStar USB HD (DVB-S/S2)",
725 { &technisat_usb2_id_table[0], NULL },
726 { NULL },
727 },
728 },
729
730 .rc.core = {
731 .rc_interval = 100,
732 .rc_codes = RC_MAP_TECHNISAT_USB2,
733 .module_name = "technisat-usb2",
734 .rc_query = technisat_usb2_rc_query,
735 .allowed_protos = RC_BIT_ALL,
736 .driver_type = RC_DRIVER_IR_RAW,
737 }
738};
739
740static int technisat_usb2_probe(struct usb_interface *intf,
741 const struct usb_device_id *id)
742{
743 struct dvb_usb_device *dev;
744
745 if (dvb_usb_device_init(intf, &technisat_usb2_devices, THIS_MODULE,
746 &dev, adapter_nr) != 0)
747 return -ENODEV;
748
749 if (dev) {
750 struct technisat_usb2_state *state = dev->priv;
751 state->dev = dev;
752
753 if (!disable_led_control) {
754 INIT_DELAYED_WORK(&state->green_led_work,
755 technisat_usb2_green_led_control);
756 schedule_delayed_work(&state->green_led_work,
757 msecs_to_jiffies(500));
758 }
759 }
760
761 return 0;
762}
763
764static void technisat_usb2_disconnect(struct usb_interface *intf)
765{
766 struct dvb_usb_device *dev = usb_get_intfdata(intf);
767
768
769 if (dev != NULL) {
770 struct technisat_usb2_state *state = dev->priv;
771 if (state != NULL)
772 cancel_delayed_work_sync(&state->green_led_work);
773 }
774
775 dvb_usb_device_exit(intf);
776}
777
778static struct usb_driver technisat_usb2_driver = {
779 .name = "dvb_usb_technisat_usb2",
780 .probe = technisat_usb2_probe,
781 .disconnect = technisat_usb2_disconnect,
782 .id_table = technisat_usb2_id_table,
783};
784
785module_usb_driver(technisat_usb2_driver);
786
787MODULE_AUTHOR("Patrick Boettcher <pboettcher@kernellabs.com>");
788MODULE_DESCRIPTION("Driver for Technisat DVB-S/S2 USB 2.0 device");
789MODULE_VERSION("1.0");
790MODULE_LICENSE("GPL");
791
