xref: /openbmc/linux/drivers/media/usb/dvb-usb/dw2102.c (revision f3c6abca)
1 /* DVB USB framework compliant Linux driver for the
2  *	DVBWorld DVB-S 2101, 2102, DVB-S2 2104, DVB-C 3101,
3  *	TeVii S600, S630, S650, S660, S480, S421, S632
4  *	Prof 1100, 7500,
5  *	Geniatech SU3000, T220,
6  *	TechnoTrend S2-4600 Cards
7  * Copyright (C) 2008-2012 Igor M. Liplianin (liplianin@me.by)
8  *
9  *	This program is free software; you can redistribute it and/or modify it
10  *	under the terms of the GNU General Public License as published by the
11  *	Free Software Foundation, version 2.
12  *
13  * see Documentation/dvb/README.dvb-usb for more information
14  */
15 #include "dw2102.h"
16 #include "si21xx.h"
17 #include "stv0299.h"
18 #include "z0194a.h"
19 #include "stv0288.h"
20 #include "stb6000.h"
21 #include "eds1547.h"
22 #include "cx24116.h"
23 #include "tda1002x.h"
24 #include "mt312.h"
25 #include "zl10039.h"
26 #include "ts2020.h"
27 #include "ds3000.h"
28 #include "stv0900.h"
29 #include "stv6110.h"
30 #include "stb6100.h"
31 #include "stb6100_proc.h"
32 #include "m88rs2000.h"
33 #include "tda18271.h"
34 #include "cxd2820r.h"
35 #include "m88ds3103.h"
36 #include "ts2020.h"
37 
38 /* Max transfer size done by I2C transfer functions */
39 #define MAX_XFER_SIZE  64
40 
41 #ifndef USB_PID_DW2102
42 #define USB_PID_DW2102 0x2102
43 #endif
44 
45 #ifndef USB_PID_DW2104
46 #define USB_PID_DW2104 0x2104
47 #endif
48 
49 #ifndef USB_PID_DW3101
50 #define USB_PID_DW3101 0x3101
51 #endif
52 
53 #ifndef USB_PID_CINERGY_S
54 #define USB_PID_CINERGY_S 0x0064
55 #endif
56 
57 #ifndef USB_PID_TEVII_S630
58 #define USB_PID_TEVII_S630 0xd630
59 #endif
60 
61 #ifndef USB_PID_TEVII_S650
62 #define USB_PID_TEVII_S650 0xd650
63 #endif
64 
65 #ifndef USB_PID_TEVII_S660
66 #define USB_PID_TEVII_S660 0xd660
67 #endif
68 
69 #ifndef USB_PID_TEVII_S480_1
70 #define USB_PID_TEVII_S480_1 0xd481
71 #endif
72 
73 #ifndef USB_PID_TEVII_S480_2
74 #define USB_PID_TEVII_S480_2 0xd482
75 #endif
76 
77 #ifndef USB_PID_PROF_1100
78 #define USB_PID_PROF_1100 0xb012
79 #endif
80 
81 #ifndef USB_PID_TEVII_S421
82 #define USB_PID_TEVII_S421 0xd421
83 #endif
84 
85 #ifndef USB_PID_TEVII_S632
86 #define USB_PID_TEVII_S632 0xd632
87 #endif
88 
89 #ifndef USB_PID_GOTVIEW_SAT_HD
90 #define USB_PID_GOTVIEW_SAT_HD 0x5456
91 #endif
92 
93 #define DW210X_READ_MSG 0
94 #define DW210X_WRITE_MSG 1
95 
96 #define REG_1F_SYMBOLRATE_BYTE0 0x1f
97 #define REG_20_SYMBOLRATE_BYTE1 0x20
98 #define REG_21_SYMBOLRATE_BYTE2 0x21
99 /* on my own*/
100 #define DW2102_VOLTAGE_CTRL (0x1800)
101 #define SU3000_STREAM_CTRL (0x1900)
102 #define DW2102_RC_QUERY (0x1a00)
103 #define DW2102_LED_CTRL (0x1b00)
104 
105 #define DW2101_FIRMWARE "dvb-usb-dw2101.fw"
106 #define DW2102_FIRMWARE "dvb-usb-dw2102.fw"
107 #define DW2104_FIRMWARE "dvb-usb-dw2104.fw"
108 #define DW3101_FIRMWARE "dvb-usb-dw3101.fw"
109 #define S630_FIRMWARE   "dvb-usb-s630.fw"
110 #define S660_FIRMWARE   "dvb-usb-s660.fw"
111 #define P1100_FIRMWARE  "dvb-usb-p1100.fw"
112 #define P7500_FIRMWARE  "dvb-usb-p7500.fw"
113 
114 #define	err_str "did not find the firmware file. (%s) " \
115 		"Please see linux/Documentation/dvb/ for more details " \
116 		"on firmware-problems."
117 
118 struct dw2102_state {
119 	u8 initialized;
120 	u8 last_lock;
121 	struct i2c_client *i2c_client_demod;
122 	struct i2c_client *i2c_client_tuner;
123 
124 	/* fe hook functions*/
125 	int (*old_set_voltage)(struct dvb_frontend *f, enum fe_sec_voltage v);
126 	int (*fe_read_status)(struct dvb_frontend *fe,
127 			      enum fe_status *status);
128 };
129 
130 /* debug */
131 static int dvb_usb_dw2102_debug;
132 module_param_named(debug, dvb_usb_dw2102_debug, int, 0644);
133 MODULE_PARM_DESC(debug, "set debugging level (1=info 2=xfer 4=rc(or-able))."
134 						DVB_USB_DEBUG_STATUS);
135 
136 /* demod probe */
137 static int demod_probe = 1;
138 module_param_named(demod, demod_probe, int, 0644);
139 MODULE_PARM_DESC(demod, "demod to probe (1=cx24116 2=stv0903+stv6110 "
140 			"4=stv0903+stb6100(or-able)).");
141 
142 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
143 
144 static int dw210x_op_rw(struct usb_device *dev, u8 request, u16 value,
145 			u16 index, u8 * data, u16 len, int flags)
146 {
147 	int ret;
148 	u8 *u8buf;
149 	unsigned int pipe = (flags == DW210X_READ_MSG) ?
150 				usb_rcvctrlpipe(dev, 0) : usb_sndctrlpipe(dev, 0);
151 	u8 request_type = (flags == DW210X_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT;
152 
153 	u8buf = kmalloc(len, GFP_KERNEL);
154 	if (!u8buf)
155 		return -ENOMEM;
156 
157 
158 	if (flags == DW210X_WRITE_MSG)
159 		memcpy(u8buf, data, len);
160 	ret = usb_control_msg(dev, pipe, request, request_type | USB_TYPE_VENDOR,
161 				value, index , u8buf, len, 2000);
162 
163 	if (flags == DW210X_READ_MSG)
164 		memcpy(data, u8buf, len);
165 
166 	kfree(u8buf);
167 	return ret;
168 }
169 
170 /* I2C */
171 static int dw2102_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
172 		int num)
173 {
174 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
175 	int i = 0;
176 	u8 buf6[] = {0x2c, 0x05, 0xc0, 0, 0, 0, 0};
177 	u16 value;
178 
179 	if (!d)
180 		return -ENODEV;
181 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
182 		return -EAGAIN;
183 
184 	switch (num) {
185 	case 2:
186 		/* read stv0299 register */
187 		value = msg[0].buf[0];/* register */
188 		for (i = 0; i < msg[1].len; i++) {
189 			dw210x_op_rw(d->udev, 0xb5, value + i, 0,
190 					buf6, 2, DW210X_READ_MSG);
191 			msg[1].buf[i] = buf6[0];
192 		}
193 		break;
194 	case 1:
195 		switch (msg[0].addr) {
196 		case 0x68:
197 			/* write to stv0299 register */
198 			buf6[0] = 0x2a;
199 			buf6[1] = msg[0].buf[0];
200 			buf6[2] = msg[0].buf[1];
201 			dw210x_op_rw(d->udev, 0xb2, 0, 0,
202 					buf6, 3, DW210X_WRITE_MSG);
203 			break;
204 		case 0x60:
205 			if (msg[0].flags == 0) {
206 			/* write to tuner pll */
207 				buf6[0] = 0x2c;
208 				buf6[1] = 5;
209 				buf6[2] = 0xc0;
210 				buf6[3] = msg[0].buf[0];
211 				buf6[4] = msg[0].buf[1];
212 				buf6[5] = msg[0].buf[2];
213 				buf6[6] = msg[0].buf[3];
214 				dw210x_op_rw(d->udev, 0xb2, 0, 0,
215 						buf6, 7, DW210X_WRITE_MSG);
216 			} else {
217 			/* read from tuner */
218 				dw210x_op_rw(d->udev, 0xb5, 0, 0,
219 						buf6, 1, DW210X_READ_MSG);
220 				msg[0].buf[0] = buf6[0];
221 			}
222 			break;
223 		case (DW2102_RC_QUERY):
224 			dw210x_op_rw(d->udev, 0xb8, 0, 0,
225 					buf6, 2, DW210X_READ_MSG);
226 			msg[0].buf[0] = buf6[0];
227 			msg[0].buf[1] = buf6[1];
228 			break;
229 		case (DW2102_VOLTAGE_CTRL):
230 			buf6[0] = 0x30;
231 			buf6[1] = msg[0].buf[0];
232 			dw210x_op_rw(d->udev, 0xb2, 0, 0,
233 					buf6, 2, DW210X_WRITE_MSG);
234 			break;
235 		}
236 
237 		break;
238 	}
239 
240 	mutex_unlock(&d->i2c_mutex);
241 	return num;
242 }
243 
244 static int dw2102_serit_i2c_transfer(struct i2c_adapter *adap,
245 						struct i2c_msg msg[], int num)
246 {
247 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
248 	u8 buf6[] = {0, 0, 0, 0, 0, 0, 0};
249 
250 	if (!d)
251 		return -ENODEV;
252 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
253 		return -EAGAIN;
254 
255 	switch (num) {
256 	case 2:
257 		/* read si2109 register by number */
258 		buf6[0] = msg[0].addr << 1;
259 		buf6[1] = msg[0].len;
260 		buf6[2] = msg[0].buf[0];
261 		dw210x_op_rw(d->udev, 0xc2, 0, 0,
262 				buf6, msg[0].len + 2, DW210X_WRITE_MSG);
263 		/* read si2109 register */
264 		dw210x_op_rw(d->udev, 0xc3, 0xd0, 0,
265 				buf6, msg[1].len + 2, DW210X_READ_MSG);
266 		memcpy(msg[1].buf, buf6 + 2, msg[1].len);
267 
268 		break;
269 	case 1:
270 		switch (msg[0].addr) {
271 		case 0x68:
272 			/* write to si2109 register */
273 			buf6[0] = msg[0].addr << 1;
274 			buf6[1] = msg[0].len;
275 			memcpy(buf6 + 2, msg[0].buf, msg[0].len);
276 			dw210x_op_rw(d->udev, 0xc2, 0, 0, buf6,
277 					msg[0].len + 2, DW210X_WRITE_MSG);
278 			break;
279 		case(DW2102_RC_QUERY):
280 			dw210x_op_rw(d->udev, 0xb8, 0, 0,
281 					buf6, 2, DW210X_READ_MSG);
282 			msg[0].buf[0] = buf6[0];
283 			msg[0].buf[1] = buf6[1];
284 			break;
285 		case(DW2102_VOLTAGE_CTRL):
286 			buf6[0] = 0x30;
287 			buf6[1] = msg[0].buf[0];
288 			dw210x_op_rw(d->udev, 0xb2, 0, 0,
289 					buf6, 2, DW210X_WRITE_MSG);
290 			break;
291 		}
292 		break;
293 	}
294 
295 	mutex_unlock(&d->i2c_mutex);
296 	return num;
297 }
298 
299 static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
300 {
301 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
302 	int ret;
303 
304 	if (!d)
305 		return -ENODEV;
306 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
307 		return -EAGAIN;
308 
309 	switch (num) {
310 	case 2: {
311 		/* read */
312 		/* first write first register number */
313 		u8 ibuf[MAX_XFER_SIZE], obuf[3];
314 
315 		if (2 + msg[1].len > sizeof(ibuf)) {
316 			warn("i2c rd: len=%d is too big!\n",
317 			     msg[1].len);
318 			ret = -EOPNOTSUPP;
319 			goto unlock;
320 		}
321 
322 		obuf[0] = msg[0].addr << 1;
323 		obuf[1] = msg[0].len;
324 		obuf[2] = msg[0].buf[0];
325 		dw210x_op_rw(d->udev, 0xc2, 0, 0,
326 				obuf, msg[0].len + 2, DW210X_WRITE_MSG);
327 		/* second read registers */
328 		dw210x_op_rw(d->udev, 0xc3, 0xd1 , 0,
329 				ibuf, msg[1].len + 2, DW210X_READ_MSG);
330 		memcpy(msg[1].buf, ibuf + 2, msg[1].len);
331 
332 		break;
333 	}
334 	case 1:
335 		switch (msg[0].addr) {
336 		case 0x68: {
337 			/* write to register */
338 			u8 obuf[MAX_XFER_SIZE];
339 
340 			if (2 + msg[0].len > sizeof(obuf)) {
341 				warn("i2c wr: len=%d is too big!\n",
342 				     msg[1].len);
343 				ret = -EOPNOTSUPP;
344 				goto unlock;
345 			}
346 
347 			obuf[0] = msg[0].addr << 1;
348 			obuf[1] = msg[0].len;
349 			memcpy(obuf + 2, msg[0].buf, msg[0].len);
350 			dw210x_op_rw(d->udev, 0xc2, 0, 0,
351 					obuf, msg[0].len + 2, DW210X_WRITE_MSG);
352 			break;
353 		}
354 		case 0x61: {
355 			/* write to tuner */
356 			u8 obuf[MAX_XFER_SIZE];
357 
358 			if (2 + msg[0].len > sizeof(obuf)) {
359 				warn("i2c wr: len=%d is too big!\n",
360 				     msg[1].len);
361 				ret = -EOPNOTSUPP;
362 				goto unlock;
363 			}
364 
365 			obuf[0] = msg[0].addr << 1;
366 			obuf[1] = msg[0].len;
367 			memcpy(obuf + 2, msg[0].buf, msg[0].len);
368 			dw210x_op_rw(d->udev, 0xc2, 0, 0,
369 					obuf, msg[0].len + 2, DW210X_WRITE_MSG);
370 			break;
371 		}
372 		case(DW2102_RC_QUERY): {
373 			u8 ibuf[2];
374 			dw210x_op_rw(d->udev, 0xb8, 0, 0,
375 					ibuf, 2, DW210X_READ_MSG);
376 			memcpy(msg[0].buf, ibuf , 2);
377 			break;
378 		}
379 		case(DW2102_VOLTAGE_CTRL): {
380 			u8 obuf[2];
381 			obuf[0] = 0x30;
382 			obuf[1] = msg[0].buf[0];
383 			dw210x_op_rw(d->udev, 0xb2, 0, 0,
384 					obuf, 2, DW210X_WRITE_MSG);
385 			break;
386 		}
387 		}
388 
389 		break;
390 	}
391 	ret = num;
392 
393 unlock:
394 	mutex_unlock(&d->i2c_mutex);
395 	return ret;
396 }
397 
398 static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
399 {
400 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
401 	int len, i, j, ret;
402 
403 	if (!d)
404 		return -ENODEV;
405 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
406 		return -EAGAIN;
407 
408 	for (j = 0; j < num; j++) {
409 		switch (msg[j].addr) {
410 		case(DW2102_RC_QUERY): {
411 			u8 ibuf[2];
412 			dw210x_op_rw(d->udev, 0xb8, 0, 0,
413 					ibuf, 2, DW210X_READ_MSG);
414 			memcpy(msg[j].buf, ibuf , 2);
415 			break;
416 		}
417 		case(DW2102_VOLTAGE_CTRL): {
418 			u8 obuf[2];
419 			obuf[0] = 0x30;
420 			obuf[1] = msg[j].buf[0];
421 			dw210x_op_rw(d->udev, 0xb2, 0, 0,
422 					obuf, 2, DW210X_WRITE_MSG);
423 			break;
424 		}
425 		/*case 0x55: cx24116
426 		case 0x6a: stv0903
427 		case 0x68: ds3000, stv0903
428 		case 0x60: ts2020, stv6110, stb6100 */
429 		default: {
430 			if (msg[j].flags == I2C_M_RD) {
431 				/* read registers */
432 				u8  ibuf[MAX_XFER_SIZE];
433 
434 				if (2 + msg[j].len > sizeof(ibuf)) {
435 					warn("i2c rd: len=%d is too big!\n",
436 					     msg[j].len);
437 					ret = -EOPNOTSUPP;
438 					goto unlock;
439 				}
440 
441 				dw210x_op_rw(d->udev, 0xc3,
442 						(msg[j].addr << 1) + 1, 0,
443 						ibuf, msg[j].len + 2,
444 						DW210X_READ_MSG);
445 				memcpy(msg[j].buf, ibuf + 2, msg[j].len);
446 				mdelay(10);
447 			} else if (((msg[j].buf[0] == 0xb0) &&
448 						(msg[j].addr == 0x68)) ||
449 						((msg[j].buf[0] == 0xf7) &&
450 						(msg[j].addr == 0x55))) {
451 				/* write firmware */
452 				u8 obuf[19];
453 				obuf[0] = msg[j].addr << 1;
454 				obuf[1] = (msg[j].len > 15 ? 17 : msg[j].len);
455 				obuf[2] = msg[j].buf[0];
456 				len = msg[j].len - 1;
457 				i = 1;
458 				do {
459 					memcpy(obuf + 3, msg[j].buf + i,
460 							(len > 16 ? 16 : len));
461 					dw210x_op_rw(d->udev, 0xc2, 0, 0,
462 						obuf, (len > 16 ? 16 : len) + 3,
463 						DW210X_WRITE_MSG);
464 					i += 16;
465 					len -= 16;
466 				} while (len > 0);
467 			} else {
468 				/* write registers */
469 				u8 obuf[MAX_XFER_SIZE];
470 
471 				if (2 + msg[j].len > sizeof(obuf)) {
472 					warn("i2c wr: len=%d is too big!\n",
473 					     msg[j].len);
474 					ret = -EOPNOTSUPP;
475 					goto unlock;
476 				}
477 
478 				obuf[0] = msg[j].addr << 1;
479 				obuf[1] = msg[j].len;
480 				memcpy(obuf + 2, msg[j].buf, msg[j].len);
481 				dw210x_op_rw(d->udev, 0xc2, 0, 0,
482 						obuf, msg[j].len + 2,
483 						DW210X_WRITE_MSG);
484 			}
485 			break;
486 		}
487 		}
488 
489 	}
490 	ret = num;
491 
492 unlock:
493 	mutex_unlock(&d->i2c_mutex);
494 	return ret;
495 }
496 
497 static int dw3101_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
498 								int num)
499 {
500 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
501 	int ret;
502 	int i;
503 
504 	if (!d)
505 		return -ENODEV;
506 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
507 		return -EAGAIN;
508 
509 	switch (num) {
510 	case 2: {
511 		/* read */
512 		/* first write first register number */
513 		u8 ibuf[MAX_XFER_SIZE], obuf[3];
514 
515 		if (2 + msg[1].len > sizeof(ibuf)) {
516 			warn("i2c rd: len=%d is too big!\n",
517 			     msg[1].len);
518 			ret = -EOPNOTSUPP;
519 			goto unlock;
520 		}
521 		obuf[0] = msg[0].addr << 1;
522 		obuf[1] = msg[0].len;
523 		obuf[2] = msg[0].buf[0];
524 		dw210x_op_rw(d->udev, 0xc2, 0, 0,
525 				obuf, msg[0].len + 2, DW210X_WRITE_MSG);
526 		/* second read registers */
527 		dw210x_op_rw(d->udev, 0xc3, 0x19 , 0,
528 				ibuf, msg[1].len + 2, DW210X_READ_MSG);
529 		memcpy(msg[1].buf, ibuf + 2, msg[1].len);
530 
531 		break;
532 	}
533 	case 1:
534 		switch (msg[0].addr) {
535 		case 0x60:
536 		case 0x0c: {
537 			/* write to register */
538 			u8 obuf[MAX_XFER_SIZE];
539 
540 			if (2 + msg[0].len > sizeof(obuf)) {
541 				warn("i2c wr: len=%d is too big!\n",
542 				     msg[0].len);
543 				ret = -EOPNOTSUPP;
544 				goto unlock;
545 			}
546 			obuf[0] = msg[0].addr << 1;
547 			obuf[1] = msg[0].len;
548 			memcpy(obuf + 2, msg[0].buf, msg[0].len);
549 			dw210x_op_rw(d->udev, 0xc2, 0, 0,
550 					obuf, msg[0].len + 2, DW210X_WRITE_MSG);
551 			break;
552 		}
553 		case(DW2102_RC_QUERY): {
554 			u8 ibuf[2];
555 			dw210x_op_rw(d->udev, 0xb8, 0, 0,
556 					ibuf, 2, DW210X_READ_MSG);
557 			memcpy(msg[0].buf, ibuf , 2);
558 			break;
559 		}
560 		}
561 
562 		break;
563 	}
564 
565 	for (i = 0; i < num; i++) {
566 		deb_xfer("%02x:%02x: %s ", i, msg[i].addr,
567 				msg[i].flags == 0 ? ">>>" : "<<<");
568 		debug_dump(msg[i].buf, msg[i].len, deb_xfer);
569 	}
570 	ret = num;
571 
572 unlock:
573 	mutex_unlock(&d->i2c_mutex);
574 	return ret;
575 }
576 
577 static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
578 								int num)
579 {
580 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
581 	struct usb_device *udev;
582 	int len, i, j, ret;
583 
584 	if (!d)
585 		return -ENODEV;
586 	udev = d->udev;
587 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
588 		return -EAGAIN;
589 
590 	for (j = 0; j < num; j++) {
591 		switch (msg[j].addr) {
592 		case (DW2102_RC_QUERY): {
593 			u8 ibuf[5];
594 			dw210x_op_rw(d->udev, 0xb8, 0, 0,
595 					ibuf, 5, DW210X_READ_MSG);
596 			memcpy(msg[j].buf, ibuf + 3, 2);
597 			break;
598 		}
599 		case (DW2102_VOLTAGE_CTRL): {
600 			u8 obuf[2];
601 
602 			obuf[0] = 1;
603 			obuf[1] = msg[j].buf[1];/* off-on */
604 			dw210x_op_rw(d->udev, 0x8a, 0, 0,
605 					obuf, 2, DW210X_WRITE_MSG);
606 			obuf[0] = 3;
607 			obuf[1] = msg[j].buf[0];/* 13v-18v */
608 			dw210x_op_rw(d->udev, 0x8a, 0, 0,
609 					obuf, 2, DW210X_WRITE_MSG);
610 			break;
611 		}
612 		case (DW2102_LED_CTRL): {
613 			u8 obuf[2];
614 
615 			obuf[0] = 5;
616 			obuf[1] = msg[j].buf[0];
617 			dw210x_op_rw(d->udev, 0x8a, 0, 0,
618 					obuf, 2, DW210X_WRITE_MSG);
619 			break;
620 		}
621 		/*case 0x55: cx24116
622 		case 0x6a: stv0903
623 		case 0x68: ds3000, stv0903, rs2000
624 		case 0x60: ts2020, stv6110, stb6100
625 		case 0xa0: eeprom */
626 		default: {
627 			if (msg[j].flags == I2C_M_RD) {
628 				/* read registers */
629 				u8 ibuf[MAX_XFER_SIZE];
630 
631 				if (msg[j].len > sizeof(ibuf)) {
632 					warn("i2c rd: len=%d is too big!\n",
633 					     msg[j].len);
634 					ret = -EOPNOTSUPP;
635 					goto unlock;
636 				}
637 
638 				dw210x_op_rw(d->udev, 0x91, 0, 0,
639 						ibuf, msg[j].len,
640 						DW210X_READ_MSG);
641 				memcpy(msg[j].buf, ibuf, msg[j].len);
642 				break;
643 			} else if ((msg[j].buf[0] == 0xb0) &&
644 						(msg[j].addr == 0x68)) {
645 				/* write firmware */
646 				u8 obuf[19];
647 				obuf[0] = (msg[j].len > 16 ?
648 						18 : msg[j].len + 1);
649 				obuf[1] = msg[j].addr << 1;
650 				obuf[2] = msg[j].buf[0];
651 				len = msg[j].len - 1;
652 				i = 1;
653 				do {
654 					memcpy(obuf + 3, msg[j].buf + i,
655 							(len > 16 ? 16 : len));
656 					dw210x_op_rw(d->udev, 0x80, 0, 0,
657 						obuf, (len > 16 ? 16 : len) + 3,
658 						DW210X_WRITE_MSG);
659 					i += 16;
660 					len -= 16;
661 				} while (len > 0);
662 			} else if (j < (num - 1)) {
663 				/* write register addr before read */
664 				u8 obuf[MAX_XFER_SIZE];
665 
666 				if (2 + msg[j].len > sizeof(obuf)) {
667 					warn("i2c wr: len=%d is too big!\n",
668 					     msg[j].len);
669 					ret = -EOPNOTSUPP;
670 					goto unlock;
671 				}
672 
673 				obuf[0] = msg[j + 1].len;
674 				obuf[1] = (msg[j].addr << 1);
675 				memcpy(obuf + 2, msg[j].buf, msg[j].len);
676 				dw210x_op_rw(d->udev,
677 						le16_to_cpu(udev->descriptor.idProduct) ==
678 						0x7500 ? 0x92 : 0x90, 0, 0,
679 						obuf, msg[j].len + 2,
680 						DW210X_WRITE_MSG);
681 				break;
682 			} else {
683 				/* write registers */
684 				u8 obuf[MAX_XFER_SIZE];
685 
686 				if (2 + msg[j].len > sizeof(obuf)) {
687 					warn("i2c wr: len=%d is too big!\n",
688 					     msg[j].len);
689 					ret = -EOPNOTSUPP;
690 					goto unlock;
691 				}
692 				obuf[0] = msg[j].len + 1;
693 				obuf[1] = (msg[j].addr << 1);
694 				memcpy(obuf + 2, msg[j].buf, msg[j].len);
695 				dw210x_op_rw(d->udev, 0x80, 0, 0,
696 						obuf, msg[j].len + 2,
697 						DW210X_WRITE_MSG);
698 				break;
699 			}
700 			break;
701 		}
702 		}
703 	}
704 	ret = num;
705 
706 unlock:
707 	mutex_unlock(&d->i2c_mutex);
708 	return ret;
709 }
710 
711 static int su3000_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
712 								int num)
713 {
714 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
715 	u8 obuf[0x40], ibuf[0x40];
716 
717 	if (!d)
718 		return -ENODEV;
719 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
720 		return -EAGAIN;
721 
722 	switch (num) {
723 	case 1:
724 		switch (msg[0].addr) {
725 		case SU3000_STREAM_CTRL:
726 			obuf[0] = msg[0].buf[0] + 0x36;
727 			obuf[1] = 3;
728 			obuf[2] = 0;
729 			if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 0, 0) < 0)
730 				err("i2c transfer failed.");
731 			break;
732 		case DW2102_RC_QUERY:
733 			obuf[0] = 0x10;
734 			if (dvb_usb_generic_rw(d, obuf, 1, ibuf, 2, 0) < 0)
735 				err("i2c transfer failed.");
736 			msg[0].buf[1] = ibuf[0];
737 			msg[0].buf[0] = ibuf[1];
738 			break;
739 		default:
740 			/* always i2c write*/
741 			obuf[0] = 0x08;
742 			obuf[1] = msg[0].addr;
743 			obuf[2] = msg[0].len;
744 
745 			memcpy(&obuf[3], msg[0].buf, msg[0].len);
746 
747 			if (dvb_usb_generic_rw(d, obuf, msg[0].len + 3,
748 						ibuf, 1, 0) < 0)
749 				err("i2c transfer failed.");
750 
751 		}
752 		break;
753 	case 2:
754 		/* always i2c read */
755 		obuf[0] = 0x09;
756 		obuf[1] = msg[0].len;
757 		obuf[2] = msg[1].len;
758 		obuf[3] = msg[0].addr;
759 		memcpy(&obuf[4], msg[0].buf, msg[0].len);
760 
761 		if (dvb_usb_generic_rw(d, obuf, msg[0].len + 4,
762 					ibuf, msg[1].len + 1, 0) < 0)
763 			err("i2c transfer failed.");
764 
765 		memcpy(msg[1].buf, &ibuf[1], msg[1].len);
766 		break;
767 	default:
768 		warn("more than 2 i2c messages at a time is not handled yet.");
769 		break;
770 	}
771 	mutex_unlock(&d->i2c_mutex);
772 	return num;
773 }
774 
775 static u32 dw210x_i2c_func(struct i2c_adapter *adapter)
776 {
777 	return I2C_FUNC_I2C;
778 }
779 
780 static struct i2c_algorithm dw2102_i2c_algo = {
781 	.master_xfer = dw2102_i2c_transfer,
782 	.functionality = dw210x_i2c_func,
783 };
784 
785 static struct i2c_algorithm dw2102_serit_i2c_algo = {
786 	.master_xfer = dw2102_serit_i2c_transfer,
787 	.functionality = dw210x_i2c_func,
788 };
789 
790 static struct i2c_algorithm dw2102_earda_i2c_algo = {
791 	.master_xfer = dw2102_earda_i2c_transfer,
792 	.functionality = dw210x_i2c_func,
793 };
794 
795 static struct i2c_algorithm dw2104_i2c_algo = {
796 	.master_xfer = dw2104_i2c_transfer,
797 	.functionality = dw210x_i2c_func,
798 };
799 
800 static struct i2c_algorithm dw3101_i2c_algo = {
801 	.master_xfer = dw3101_i2c_transfer,
802 	.functionality = dw210x_i2c_func,
803 };
804 
805 static struct i2c_algorithm s6x0_i2c_algo = {
806 	.master_xfer = s6x0_i2c_transfer,
807 	.functionality = dw210x_i2c_func,
808 };
809 
810 static struct i2c_algorithm su3000_i2c_algo = {
811 	.master_xfer = su3000_i2c_transfer,
812 	.functionality = dw210x_i2c_func,
813 };
814 
815 static int dw210x_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
816 {
817 	int i;
818 	u8 ibuf[] = {0, 0};
819 	u8 eeprom[256], eepromline[16];
820 
821 	for (i = 0; i < 256; i++) {
822 		if (dw210x_op_rw(d->udev, 0xb6, 0xa0 , i, ibuf, 2, DW210X_READ_MSG) < 0) {
823 			err("read eeprom failed.");
824 			return -1;
825 		} else {
826 			eepromline[i%16] = ibuf[0];
827 			eeprom[i] = ibuf[0];
828 		}
829 		if ((i % 16) == 15) {
830 			deb_xfer("%02x: ", i - 15);
831 			debug_dump(eepromline, 16, deb_xfer);
832 		}
833 	}
834 
835 	memcpy(mac, eeprom + 8, 6);
836 	return 0;
837 };
838 
839 static int s6x0_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
840 {
841 	int i, ret;
842 	u8 ibuf[] = { 0 }, obuf[] = { 0 };
843 	u8 eeprom[256], eepromline[16];
844 	struct i2c_msg msg[] = {
845 		{
846 			.addr = 0xa0 >> 1,
847 			.flags = 0,
848 			.buf = obuf,
849 			.len = 1,
850 		}, {
851 			.addr = 0xa0 >> 1,
852 			.flags = I2C_M_RD,
853 			.buf = ibuf,
854 			.len = 1,
855 		}
856 	};
857 
858 	for (i = 0; i < 256; i++) {
859 		obuf[0] = i;
860 		ret = s6x0_i2c_transfer(&d->i2c_adap, msg, 2);
861 		if (ret != 2) {
862 			err("read eeprom failed.");
863 			return -1;
864 		} else {
865 			eepromline[i % 16] = ibuf[0];
866 			eeprom[i] = ibuf[0];
867 		}
868 
869 		if ((i % 16) == 15) {
870 			deb_xfer("%02x: ", i - 15);
871 			debug_dump(eepromline, 16, deb_xfer);
872 		}
873 	}
874 
875 	memcpy(mac, eeprom + 16, 6);
876 	return 0;
877 };
878 
879 static int su3000_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
880 {
881 	static u8 command_start[] = {0x00};
882 	static u8 command_stop[] = {0x01};
883 	struct i2c_msg msg = {
884 		.addr = SU3000_STREAM_CTRL,
885 		.flags = 0,
886 		.buf = onoff ? command_start : command_stop,
887 		.len = 1
888 	};
889 
890 	i2c_transfer(&adap->dev->i2c_adap, &msg, 1);
891 
892 	return 0;
893 }
894 
895 static int su3000_power_ctrl(struct dvb_usb_device *d, int i)
896 {
897 	struct dw2102_state *state = (struct dw2102_state *)d->priv;
898 	u8 obuf[] = {0xde, 0};
899 
900 	info("%s: %d, initialized %d\n", __func__, i, state->initialized);
901 
902 	if (i && !state->initialized) {
903 		state->initialized = 1;
904 		/* reset board */
905 		dvb_usb_generic_rw(d, obuf, 2, NULL, 0, 0);
906 	}
907 
908 	return 0;
909 }
910 
911 static int su3000_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
912 {
913 	int i;
914 	u8 obuf[] = { 0x1f, 0xf0 };
915 	u8 ibuf[] = { 0 };
916 	struct i2c_msg msg[] = {
917 		{
918 			.addr = 0x51,
919 			.flags = 0,
920 			.buf = obuf,
921 			.len = 2,
922 		}, {
923 			.addr = 0x51,
924 			.flags = I2C_M_RD,
925 			.buf = ibuf,
926 			.len = 1,
927 
928 		}
929 	};
930 
931 	for (i = 0; i < 6; i++) {
932 		obuf[1] = 0xf0 + i;
933 		if (i2c_transfer(&d->i2c_adap, msg, 2) != 2)
934 			break;
935 		else
936 			mac[i] = ibuf[0];
937 	}
938 
939 	return 0;
940 }
941 
942 static int su3000_identify_state(struct usb_device *udev,
943 				 struct dvb_usb_device_properties *props,
944 				 struct dvb_usb_device_description **desc,
945 				 int *cold)
946 {
947 	info("%s\n", __func__);
948 
949 	*cold = 0;
950 	return 0;
951 }
952 
953 static int dw210x_set_voltage(struct dvb_frontend *fe,
954 			      enum fe_sec_voltage voltage)
955 {
956 	static u8 command_13v[] = {0x00, 0x01};
957 	static u8 command_18v[] = {0x01, 0x01};
958 	static u8 command_off[] = {0x00, 0x00};
959 	struct i2c_msg msg = {
960 		.addr = DW2102_VOLTAGE_CTRL,
961 		.flags = 0,
962 		.buf = command_off,
963 		.len = 2,
964 	};
965 
966 	struct dvb_usb_adapter *udev_adap =
967 		(struct dvb_usb_adapter *)(fe->dvb->priv);
968 	if (voltage == SEC_VOLTAGE_18)
969 		msg.buf = command_18v;
970 	else if (voltage == SEC_VOLTAGE_13)
971 		msg.buf = command_13v;
972 
973 	i2c_transfer(&udev_adap->dev->i2c_adap, &msg, 1);
974 
975 	return 0;
976 }
977 
978 static int s660_set_voltage(struct dvb_frontend *fe,
979 			    enum fe_sec_voltage voltage)
980 {
981 	struct dvb_usb_adapter *d =
982 		(struct dvb_usb_adapter *)(fe->dvb->priv);
983 	struct dw2102_state *st = (struct dw2102_state *)d->dev->priv;
984 
985 	dw210x_set_voltage(fe, voltage);
986 	if (st->old_set_voltage)
987 		st->old_set_voltage(fe, voltage);
988 
989 	return 0;
990 }
991 
992 static void dw210x_led_ctrl(struct dvb_frontend *fe, int offon)
993 {
994 	static u8 led_off[] = { 0 };
995 	static u8 led_on[] = { 1 };
996 	struct i2c_msg msg = {
997 		.addr = DW2102_LED_CTRL,
998 		.flags = 0,
999 		.buf = led_off,
1000 		.len = 1
1001 	};
1002 	struct dvb_usb_adapter *udev_adap =
1003 		(struct dvb_usb_adapter *)(fe->dvb->priv);
1004 
1005 	if (offon)
1006 		msg.buf = led_on;
1007 	i2c_transfer(&udev_adap->dev->i2c_adap, &msg, 1);
1008 }
1009 
1010 static int tt_s2_4600_read_status(struct dvb_frontend *fe,
1011 				  enum fe_status *status)
1012 {
1013 	struct dvb_usb_adapter *d =
1014 		(struct dvb_usb_adapter *)(fe->dvb->priv);
1015 	struct dw2102_state *st = (struct dw2102_state *)d->dev->priv;
1016 	int ret;
1017 
1018 	ret = st->fe_read_status(fe, status);
1019 
1020 	/* resync slave fifo when signal change from unlock to lock */
1021 	if ((*status & FE_HAS_LOCK) && (!st->last_lock))
1022 		su3000_streaming_ctrl(d, 1);
1023 
1024 	st->last_lock = (*status & FE_HAS_LOCK) ? 1 : 0;
1025 	return ret;
1026 }
1027 
1028 static struct stv0299_config sharp_z0194a_config = {
1029 	.demod_address = 0x68,
1030 	.inittab = sharp_z0194a_inittab,
1031 	.mclk = 88000000UL,
1032 	.invert = 1,
1033 	.skip_reinit = 0,
1034 	.lock_output = STV0299_LOCKOUTPUT_1,
1035 	.volt13_op0_op1 = STV0299_VOLT13_OP1,
1036 	.min_delay_ms = 100,
1037 	.set_symbol_rate = sharp_z0194a_set_symbol_rate,
1038 };
1039 
1040 static struct cx24116_config dw2104_config = {
1041 	.demod_address = 0x55,
1042 	.mpg_clk_pos_pol = 0x01,
1043 };
1044 
1045 static struct si21xx_config serit_sp1511lhb_config = {
1046 	.demod_address = 0x68,
1047 	.min_delay_ms = 100,
1048 
1049 };
1050 
1051 static struct tda10023_config dw3101_tda10023_config = {
1052 	.demod_address = 0x0c,
1053 	.invert = 1,
1054 };
1055 
1056 static struct mt312_config zl313_config = {
1057 	.demod_address = 0x0e,
1058 };
1059 
1060 static struct ds3000_config dw2104_ds3000_config = {
1061 	.demod_address = 0x68,
1062 };
1063 
1064 static struct ts2020_config dw2104_ts2020_config = {
1065 	.tuner_address = 0x60,
1066 	.clk_out_div = 1,
1067 	.frequency_div = 1060000,
1068 };
1069 
1070 static struct ds3000_config s660_ds3000_config = {
1071 	.demod_address = 0x68,
1072 	.ci_mode = 1,
1073 	.set_lock_led = dw210x_led_ctrl,
1074 };
1075 
1076 static struct ts2020_config s660_ts2020_config = {
1077 	.tuner_address = 0x60,
1078 	.clk_out_div = 1,
1079 	.frequency_div = 1146000,
1080 };
1081 
1082 static struct stv0900_config dw2104a_stv0900_config = {
1083 	.demod_address = 0x6a,
1084 	.demod_mode = 0,
1085 	.xtal = 27000000,
1086 	.clkmode = 3,/* 0-CLKI, 2-XTALI, else AUTO */
1087 	.diseqc_mode = 2,/* 2/3 PWM */
1088 	.tun1_maddress = 0,/* 0x60 */
1089 	.tun1_adc = 0,/* 2 Vpp */
1090 	.path1_mode = 3,
1091 };
1092 
1093 static struct stb6100_config dw2104a_stb6100_config = {
1094 	.tuner_address = 0x60,
1095 	.refclock = 27000000,
1096 };
1097 
1098 static struct stv0900_config dw2104_stv0900_config = {
1099 	.demod_address = 0x68,
1100 	.demod_mode = 0,
1101 	.xtal = 8000000,
1102 	.clkmode = 3,
1103 	.diseqc_mode = 2,
1104 	.tun1_maddress = 0,
1105 	.tun1_adc = 1,/* 1 Vpp */
1106 	.path1_mode = 3,
1107 };
1108 
1109 static struct stv6110_config dw2104_stv6110_config = {
1110 	.i2c_address = 0x60,
1111 	.mclk = 16000000,
1112 	.clk_div = 1,
1113 };
1114 
1115 static struct stv0900_config prof_7500_stv0900_config = {
1116 	.demod_address = 0x6a,
1117 	.demod_mode = 0,
1118 	.xtal = 27000000,
1119 	.clkmode = 3,/* 0-CLKI, 2-XTALI, else AUTO */
1120 	.diseqc_mode = 2,/* 2/3 PWM */
1121 	.tun1_maddress = 0,/* 0x60 */
1122 	.tun1_adc = 0,/* 2 Vpp */
1123 	.path1_mode = 3,
1124 	.tun1_type = 3,
1125 	.set_lock_led = dw210x_led_ctrl,
1126 };
1127 
1128 static struct ds3000_config su3000_ds3000_config = {
1129 	.demod_address = 0x68,
1130 	.ci_mode = 1,
1131 	.set_lock_led = dw210x_led_ctrl,
1132 };
1133 
1134 static struct cxd2820r_config cxd2820r_config = {
1135 	.i2c_address = 0x6c, /* (0xd8 >> 1) */
1136 	.ts_mode = 0x38,
1137 	.ts_clock_inv = 1,
1138 };
1139 
1140 static struct tda18271_config tda18271_config = {
1141 	.output_opt = TDA18271_OUTPUT_LT_OFF,
1142 	.gate = TDA18271_GATE_DIGITAL,
1143 };
1144 
1145 static u8 m88rs2000_inittab[] = {
1146 	DEMOD_WRITE, 0x9a, 0x30,
1147 	DEMOD_WRITE, 0x00, 0x01,
1148 	WRITE_DELAY, 0x19, 0x00,
1149 	DEMOD_WRITE, 0x00, 0x00,
1150 	DEMOD_WRITE, 0x9a, 0xb0,
1151 	DEMOD_WRITE, 0x81, 0xc1,
1152 	DEMOD_WRITE, 0x81, 0x81,
1153 	DEMOD_WRITE, 0x86, 0xc6,
1154 	DEMOD_WRITE, 0x9a, 0x30,
1155 	DEMOD_WRITE, 0xf0, 0x80,
1156 	DEMOD_WRITE, 0xf1, 0xbf,
1157 	DEMOD_WRITE, 0xb0, 0x45,
1158 	DEMOD_WRITE, 0xb2, 0x01,
1159 	DEMOD_WRITE, 0x9a, 0xb0,
1160 	0xff, 0xaa, 0xff
1161 };
1162 
1163 static struct m88rs2000_config s421_m88rs2000_config = {
1164 	.demod_addr = 0x68,
1165 	.inittab = m88rs2000_inittab,
1166 };
1167 
1168 static int dw2104_frontend_attach(struct dvb_usb_adapter *d)
1169 {
1170 	struct dvb_tuner_ops *tuner_ops = NULL;
1171 
1172 	if (demod_probe & 4) {
1173 		d->fe_adap[0].fe = dvb_attach(stv0900_attach, &dw2104a_stv0900_config,
1174 				&d->dev->i2c_adap, 0);
1175 		if (d->fe_adap[0].fe != NULL) {
1176 			if (dvb_attach(stb6100_attach, d->fe_adap[0].fe,
1177 					&dw2104a_stb6100_config,
1178 					&d->dev->i2c_adap)) {
1179 				tuner_ops = &d->fe_adap[0].fe->ops.tuner_ops;
1180 				tuner_ops->set_frequency = stb6100_set_freq;
1181 				tuner_ops->get_frequency = stb6100_get_freq;
1182 				tuner_ops->set_bandwidth = stb6100_set_bandw;
1183 				tuner_ops->get_bandwidth = stb6100_get_bandw;
1184 				d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1185 				info("Attached STV0900+STB6100!\n");
1186 				return 0;
1187 			}
1188 		}
1189 	}
1190 
1191 	if (demod_probe & 2) {
1192 		d->fe_adap[0].fe = dvb_attach(stv0900_attach, &dw2104_stv0900_config,
1193 				&d->dev->i2c_adap, 0);
1194 		if (d->fe_adap[0].fe != NULL) {
1195 			if (dvb_attach(stv6110_attach, d->fe_adap[0].fe,
1196 					&dw2104_stv6110_config,
1197 					&d->dev->i2c_adap)) {
1198 				d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1199 				info("Attached STV0900+STV6110A!\n");
1200 				return 0;
1201 			}
1202 		}
1203 	}
1204 
1205 	if (demod_probe & 1) {
1206 		d->fe_adap[0].fe = dvb_attach(cx24116_attach, &dw2104_config,
1207 				&d->dev->i2c_adap);
1208 		if (d->fe_adap[0].fe != NULL) {
1209 			d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1210 			info("Attached cx24116!\n");
1211 			return 0;
1212 		}
1213 	}
1214 
1215 	d->fe_adap[0].fe = dvb_attach(ds3000_attach, &dw2104_ds3000_config,
1216 			&d->dev->i2c_adap);
1217 	if (d->fe_adap[0].fe != NULL) {
1218 		dvb_attach(ts2020_attach, d->fe_adap[0].fe,
1219 			&dw2104_ts2020_config, &d->dev->i2c_adap);
1220 		d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1221 		info("Attached DS3000!\n");
1222 		return 0;
1223 	}
1224 
1225 	return -EIO;
1226 }
1227 
1228 static struct dvb_usb_device_properties dw2102_properties;
1229 static struct dvb_usb_device_properties dw2104_properties;
1230 static struct dvb_usb_device_properties s6x0_properties;
1231 
1232 static int dw2102_frontend_attach(struct dvb_usb_adapter *d)
1233 {
1234 	if (dw2102_properties.i2c_algo == &dw2102_serit_i2c_algo) {
1235 		/*dw2102_properties.adapter->tuner_attach = NULL;*/
1236 		d->fe_adap[0].fe = dvb_attach(si21xx_attach, &serit_sp1511lhb_config,
1237 					&d->dev->i2c_adap);
1238 		if (d->fe_adap[0].fe != NULL) {
1239 			d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1240 			info("Attached si21xx!\n");
1241 			return 0;
1242 		}
1243 	}
1244 
1245 	if (dw2102_properties.i2c_algo == &dw2102_earda_i2c_algo) {
1246 		d->fe_adap[0].fe = dvb_attach(stv0288_attach, &earda_config,
1247 					&d->dev->i2c_adap);
1248 		if (d->fe_adap[0].fe != NULL) {
1249 			if (dvb_attach(stb6000_attach, d->fe_adap[0].fe, 0x61,
1250 					&d->dev->i2c_adap)) {
1251 				d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1252 				info("Attached stv0288!\n");
1253 				return 0;
1254 			}
1255 		}
1256 	}
1257 
1258 	if (dw2102_properties.i2c_algo == &dw2102_i2c_algo) {
1259 		/*dw2102_properties.adapter->tuner_attach = dw2102_tuner_attach;*/
1260 		d->fe_adap[0].fe = dvb_attach(stv0299_attach, &sharp_z0194a_config,
1261 					&d->dev->i2c_adap);
1262 		if (d->fe_adap[0].fe != NULL) {
1263 			d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1264 			info("Attached stv0299!\n");
1265 			return 0;
1266 		}
1267 	}
1268 	return -EIO;
1269 }
1270 
1271 static int dw3101_frontend_attach(struct dvb_usb_adapter *d)
1272 {
1273 	d->fe_adap[0].fe = dvb_attach(tda10023_attach, &dw3101_tda10023_config,
1274 				&d->dev->i2c_adap, 0x48);
1275 	if (d->fe_adap[0].fe != NULL) {
1276 		info("Attached tda10023!\n");
1277 		return 0;
1278 	}
1279 	return -EIO;
1280 }
1281 
1282 static int zl100313_frontend_attach(struct dvb_usb_adapter *d)
1283 {
1284 	d->fe_adap[0].fe = dvb_attach(mt312_attach, &zl313_config,
1285 			&d->dev->i2c_adap);
1286 	if (d->fe_adap[0].fe != NULL) {
1287 		if (dvb_attach(zl10039_attach, d->fe_adap[0].fe, 0x60,
1288 				&d->dev->i2c_adap)) {
1289 			d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1290 			info("Attached zl100313+zl10039!\n");
1291 			return 0;
1292 		}
1293 	}
1294 
1295 	return -EIO;
1296 }
1297 
1298 static int stv0288_frontend_attach(struct dvb_usb_adapter *d)
1299 {
1300 	u8 obuf[] = {7, 1};
1301 
1302 	d->fe_adap[0].fe = dvb_attach(stv0288_attach, &earda_config,
1303 			&d->dev->i2c_adap);
1304 
1305 	if (d->fe_adap[0].fe == NULL)
1306 		return -EIO;
1307 
1308 	if (NULL == dvb_attach(stb6000_attach, d->fe_adap[0].fe, 0x61, &d->dev->i2c_adap))
1309 		return -EIO;
1310 
1311 	d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1312 
1313 	dw210x_op_rw(d->dev->udev, 0x8a, 0, 0, obuf, 2, DW210X_WRITE_MSG);
1314 
1315 	info("Attached stv0288+stb6000!\n");
1316 
1317 	return 0;
1318 
1319 }
1320 
1321 static int ds3000_frontend_attach(struct dvb_usb_adapter *d)
1322 {
1323 	struct dw2102_state *st = d->dev->priv;
1324 	u8 obuf[] = {7, 1};
1325 
1326 	d->fe_adap[0].fe = dvb_attach(ds3000_attach, &s660_ds3000_config,
1327 			&d->dev->i2c_adap);
1328 
1329 	if (d->fe_adap[0].fe == NULL)
1330 		return -EIO;
1331 
1332 	dvb_attach(ts2020_attach, d->fe_adap[0].fe, &s660_ts2020_config,
1333 		&d->dev->i2c_adap);
1334 
1335 	st->old_set_voltage = d->fe_adap[0].fe->ops.set_voltage;
1336 	d->fe_adap[0].fe->ops.set_voltage = s660_set_voltage;
1337 
1338 	dw210x_op_rw(d->dev->udev, 0x8a, 0, 0, obuf, 2, DW210X_WRITE_MSG);
1339 
1340 	info("Attached ds3000+ts2020!\n");
1341 
1342 	return 0;
1343 }
1344 
1345 static int prof_7500_frontend_attach(struct dvb_usb_adapter *d)
1346 {
1347 	u8 obuf[] = {7, 1};
1348 
1349 	d->fe_adap[0].fe = dvb_attach(stv0900_attach, &prof_7500_stv0900_config,
1350 					&d->dev->i2c_adap, 0);
1351 	if (d->fe_adap[0].fe == NULL)
1352 		return -EIO;
1353 
1354 	d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1355 
1356 	dw210x_op_rw(d->dev->udev, 0x8a, 0, 0, obuf, 2, DW210X_WRITE_MSG);
1357 
1358 	info("Attached STV0900+STB6100A!\n");
1359 
1360 	return 0;
1361 }
1362 
1363 static int su3000_frontend_attach(struct dvb_usb_adapter *d)
1364 {
1365 	u8 obuf[3] = { 0xe, 0x80, 0 };
1366 	u8 ibuf[] = { 0 };
1367 
1368 	if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
1369 		err("command 0x0e transfer failed.");
1370 
1371 	obuf[0] = 0xe;
1372 	obuf[1] = 0x02;
1373 	obuf[2] = 1;
1374 
1375 	if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
1376 		err("command 0x0e transfer failed.");
1377 	msleep(300);
1378 
1379 	obuf[0] = 0xe;
1380 	obuf[1] = 0x83;
1381 	obuf[2] = 0;
1382 
1383 	if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
1384 		err("command 0x0e transfer failed.");
1385 
1386 	obuf[0] = 0xe;
1387 	obuf[1] = 0x83;
1388 	obuf[2] = 1;
1389 
1390 	if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
1391 		err("command 0x0e transfer failed.");
1392 
1393 	obuf[0] = 0x51;
1394 
1395 	if (dvb_usb_generic_rw(d->dev, obuf, 1, ibuf, 1, 0) < 0)
1396 		err("command 0x51 transfer failed.");
1397 
1398 	d->fe_adap[0].fe = dvb_attach(ds3000_attach, &su3000_ds3000_config,
1399 					&d->dev->i2c_adap);
1400 	if (d->fe_adap[0].fe == NULL)
1401 		return -EIO;
1402 
1403 	if (dvb_attach(ts2020_attach, d->fe_adap[0].fe,
1404 				&dw2104_ts2020_config,
1405 				&d->dev->i2c_adap)) {
1406 		info("Attached DS3000/TS2020!\n");
1407 		return 0;
1408 	}
1409 
1410 	info("Failed to attach DS3000/TS2020!\n");
1411 	return -EIO;
1412 }
1413 
1414 static int t220_frontend_attach(struct dvb_usb_adapter *d)
1415 {
1416 	u8 obuf[3] = { 0xe, 0x87, 0 };
1417 	u8 ibuf[] = { 0 };
1418 
1419 	if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
1420 		err("command 0x0e transfer failed.");
1421 
1422 	obuf[0] = 0xe;
1423 	obuf[1] = 0x86;
1424 	obuf[2] = 1;
1425 
1426 	if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
1427 		err("command 0x0e transfer failed.");
1428 
1429 	obuf[0] = 0xe;
1430 	obuf[1] = 0x80;
1431 	obuf[2] = 0;
1432 
1433 	if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
1434 		err("command 0x0e transfer failed.");
1435 
1436 	msleep(50);
1437 
1438 	obuf[0] = 0xe;
1439 	obuf[1] = 0x80;
1440 	obuf[2] = 1;
1441 
1442 	if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
1443 		err("command 0x0e transfer failed.");
1444 
1445 	obuf[0] = 0x51;
1446 
1447 	if (dvb_usb_generic_rw(d->dev, obuf, 1, ibuf, 1, 0) < 0)
1448 		err("command 0x51 transfer failed.");
1449 
1450 	d->fe_adap[0].fe = dvb_attach(cxd2820r_attach, &cxd2820r_config,
1451 					&d->dev->i2c_adap, NULL);
1452 	if (d->fe_adap[0].fe != NULL) {
1453 		if (dvb_attach(tda18271_attach, d->fe_adap[0].fe, 0x60,
1454 					&d->dev->i2c_adap, &tda18271_config)) {
1455 			info("Attached TDA18271HD/CXD2820R!\n");
1456 			return 0;
1457 		}
1458 	}
1459 
1460 	info("Failed to attach TDA18271HD/CXD2820R!\n");
1461 	return -EIO;
1462 }
1463 
1464 static int m88rs2000_frontend_attach(struct dvb_usb_adapter *d)
1465 {
1466 	u8 obuf[] = { 0x51 };
1467 	u8 ibuf[] = { 0 };
1468 
1469 	if (dvb_usb_generic_rw(d->dev, obuf, 1, ibuf, 1, 0) < 0)
1470 		err("command 0x51 transfer failed.");
1471 
1472 	d->fe_adap[0].fe = dvb_attach(m88rs2000_attach, &s421_m88rs2000_config,
1473 					&d->dev->i2c_adap);
1474 
1475 	if (d->fe_adap[0].fe == NULL)
1476 		return -EIO;
1477 
1478 	if (dvb_attach(ts2020_attach, d->fe_adap[0].fe,
1479 				&dw2104_ts2020_config,
1480 				&d->dev->i2c_adap)) {
1481 		info("Attached RS2000/TS2020!\n");
1482 		return 0;
1483 	}
1484 
1485 	info("Failed to attach RS2000/TS2020!\n");
1486 	return -EIO;
1487 }
1488 
1489 static int tt_s2_4600_frontend_attach(struct dvb_usb_adapter *adap)
1490 {
1491 	struct dvb_usb_device *d = adap->dev;
1492 	struct dw2102_state *state = d->priv;
1493 	u8 obuf[3] = { 0xe, 0x80, 0 };
1494 	u8 ibuf[] = { 0 };
1495 	struct i2c_adapter *i2c_adapter;
1496 	struct i2c_client *client;
1497 	struct i2c_board_info board_info;
1498 	struct m88ds3103_platform_data m88ds3103_pdata = {};
1499 	struct ts2020_config ts2020_config = {};
1500 
1501 	if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
1502 		err("command 0x0e transfer failed.");
1503 
1504 	obuf[0] = 0xe;
1505 	obuf[1] = 0x02;
1506 	obuf[2] = 1;
1507 
1508 	if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
1509 		err("command 0x0e transfer failed.");
1510 	msleep(300);
1511 
1512 	obuf[0] = 0xe;
1513 	obuf[1] = 0x83;
1514 	obuf[2] = 0;
1515 
1516 	if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
1517 		err("command 0x0e transfer failed.");
1518 
1519 	obuf[0] = 0xe;
1520 	obuf[1] = 0x83;
1521 	obuf[2] = 1;
1522 
1523 	if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
1524 		err("command 0x0e transfer failed.");
1525 
1526 	obuf[0] = 0x51;
1527 
1528 	if (dvb_usb_generic_rw(d, obuf, 1, ibuf, 1, 0) < 0)
1529 		err("command 0x51 transfer failed.");
1530 
1531 	/* attach demod */
1532 	m88ds3103_pdata.clk = 27000000;
1533 	m88ds3103_pdata.i2c_wr_max = 33;
1534 	m88ds3103_pdata.ts_mode = M88DS3103_TS_CI;
1535 	m88ds3103_pdata.ts_clk = 16000;
1536 	m88ds3103_pdata.ts_clk_pol = 0;
1537 	m88ds3103_pdata.spec_inv = 0;
1538 	m88ds3103_pdata.agc = 0x99;
1539 	m88ds3103_pdata.agc_inv = 0;
1540 	m88ds3103_pdata.clk_out = M88DS3103_CLOCK_OUT_ENABLED;
1541 	m88ds3103_pdata.envelope_mode = 0;
1542 	m88ds3103_pdata.lnb_hv_pol = 1;
1543 	m88ds3103_pdata.lnb_en_pol = 0;
1544 	memset(&board_info, 0, sizeof(board_info));
1545 	strlcpy(board_info.type, "m88ds3103", I2C_NAME_SIZE);
1546 	board_info.addr = 0x68;
1547 	board_info.platform_data = &m88ds3103_pdata;
1548 	request_module("m88ds3103");
1549 	client = i2c_new_device(&d->i2c_adap, &board_info);
1550 	if (client == NULL || client->dev.driver == NULL)
1551 		return -ENODEV;
1552 	if (!try_module_get(client->dev.driver->owner)) {
1553 		i2c_unregister_device(client);
1554 		return -ENODEV;
1555 	}
1556 	adap->fe_adap[0].fe = m88ds3103_pdata.get_dvb_frontend(client);
1557 	i2c_adapter = m88ds3103_pdata.get_i2c_adapter(client);
1558 
1559 	state->i2c_client_demod = client;
1560 
1561 	/* attach tuner */
1562 	ts2020_config.fe = adap->fe_adap[0].fe;
1563 	memset(&board_info, 0, sizeof(board_info));
1564 	strlcpy(board_info.type, "ts2022", I2C_NAME_SIZE);
1565 	board_info.addr = 0x60;
1566 	board_info.platform_data = &ts2020_config;
1567 	request_module("ts2020");
1568 	client = i2c_new_device(i2c_adapter, &board_info);
1569 
1570 	if (client == NULL || client->dev.driver == NULL) {
1571 		dvb_frontend_detach(adap->fe_adap[0].fe);
1572 		return -ENODEV;
1573 	}
1574 
1575 	if (!try_module_get(client->dev.driver->owner)) {
1576 		i2c_unregister_device(client);
1577 		dvb_frontend_detach(adap->fe_adap[0].fe);
1578 		return -ENODEV;
1579 	}
1580 
1581 	/* delegate signal strength measurement to tuner */
1582 	adap->fe_adap[0].fe->ops.read_signal_strength =
1583 			adap->fe_adap[0].fe->ops.tuner_ops.get_rf_strength;
1584 
1585 	state->i2c_client_tuner = client;
1586 
1587 	/* hook fe: need to resync the slave fifo when signal locks */
1588 	state->fe_read_status = adap->fe_adap[0].fe->ops.read_status;
1589 	adap->fe_adap[0].fe->ops.read_status = tt_s2_4600_read_status;
1590 
1591 	state->last_lock = 0;
1592 
1593 	return 0;
1594 }
1595 
1596 static int dw2102_tuner_attach(struct dvb_usb_adapter *adap)
1597 {
1598 	dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60,
1599 		&adap->dev->i2c_adap, DVB_PLL_OPERA1);
1600 	return 0;
1601 }
1602 
1603 static int dw3101_tuner_attach(struct dvb_usb_adapter *adap)
1604 {
1605 	dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60,
1606 		&adap->dev->i2c_adap, DVB_PLL_TUA6034);
1607 
1608 	return 0;
1609 }
1610 
1611 static int dw2102_rc_query(struct dvb_usb_device *d)
1612 {
1613 	u8 key[2];
1614 	struct i2c_msg msg = {
1615 		.addr = DW2102_RC_QUERY,
1616 		.flags = I2C_M_RD,
1617 		.buf = key,
1618 		.len = 2
1619 	};
1620 
1621 	if (d->props.i2c_algo->master_xfer(&d->i2c_adap, &msg, 1) == 1) {
1622 		if (msg.buf[0] != 0xff) {
1623 			deb_rc("%s: rc code: %x, %x\n",
1624 					__func__, key[0], key[1]);
1625 			rc_keydown(d->rc_dev, RC_TYPE_UNKNOWN, key[0], 0);
1626 		}
1627 	}
1628 
1629 	return 0;
1630 }
1631 
1632 static int prof_rc_query(struct dvb_usb_device *d)
1633 {
1634 	u8 key[2];
1635 	struct i2c_msg msg = {
1636 		.addr = DW2102_RC_QUERY,
1637 		.flags = I2C_M_RD,
1638 		.buf = key,
1639 		.len = 2
1640 	};
1641 
1642 	if (d->props.i2c_algo->master_xfer(&d->i2c_adap, &msg, 1) == 1) {
1643 		if (msg.buf[0] != 0xff) {
1644 			deb_rc("%s: rc code: %x, %x\n",
1645 					__func__, key[0], key[1]);
1646 			rc_keydown(d->rc_dev, RC_TYPE_UNKNOWN, key[0]^0xff, 0);
1647 		}
1648 	}
1649 
1650 	return 0;
1651 }
1652 
1653 static int su3000_rc_query(struct dvb_usb_device *d)
1654 {
1655 	u8 key[2];
1656 	struct i2c_msg msg = {
1657 		.addr = DW2102_RC_QUERY,
1658 		.flags = I2C_M_RD,
1659 		.buf = key,
1660 		.len = 2
1661 	};
1662 
1663 	if (d->props.i2c_algo->master_xfer(&d->i2c_adap, &msg, 1) == 1) {
1664 		if (msg.buf[0] != 0xff) {
1665 			deb_rc("%s: rc code: %x, %x\n",
1666 					__func__, key[0], key[1]);
1667 			rc_keydown(d->rc_dev, RC_TYPE_RC5,
1668 				   RC_SCANCODE_RC5(key[1], key[0]), 0);
1669 		}
1670 	}
1671 
1672 	return 0;
1673 }
1674 
1675 enum dw2102_table_entry {
1676 	CYPRESS_DW2102,
1677 	CYPRESS_DW2101,
1678 	CYPRESS_DW2104,
1679 	TEVII_S650,
1680 	TERRATEC_CINERGY_S,
1681 	CYPRESS_DW3101,
1682 	TEVII_S630,
1683 	PROF_1100,
1684 	TEVII_S660,
1685 	PROF_7500,
1686 	GENIATECH_SU3000,
1687 	TERRATEC_CINERGY_S2,
1688 	TEVII_S480_1,
1689 	TEVII_S480_2,
1690 	X3M_SPC1400HD,
1691 	TEVII_S421,
1692 	TEVII_S632,
1693 	TERRATEC_CINERGY_S2_R2,
1694 	GOTVIEW_SAT_HD,
1695 	GENIATECH_T220,
1696 	TECHNOTREND_S2_4600,
1697 	TEVII_S482_1,
1698 	TEVII_S482_2,
1699 	TERRATEC_CINERGY_S2_BOX,
1700 };
1701 
1702 static struct usb_device_id dw2102_table[] = {
1703 	[CYPRESS_DW2102] = {USB_DEVICE(USB_VID_CYPRESS, USB_PID_DW2102)},
1704 	[CYPRESS_DW2101] = {USB_DEVICE(USB_VID_CYPRESS, 0x2101)},
1705 	[CYPRESS_DW2104] = {USB_DEVICE(USB_VID_CYPRESS, USB_PID_DW2104)},
1706 	[TEVII_S650] = {USB_DEVICE(0x9022, USB_PID_TEVII_S650)},
1707 	[TERRATEC_CINERGY_S] = {USB_DEVICE(USB_VID_TERRATEC, USB_PID_CINERGY_S)},
1708 	[CYPRESS_DW3101] = {USB_DEVICE(USB_VID_CYPRESS, USB_PID_DW3101)},
1709 	[TEVII_S630] = {USB_DEVICE(0x9022, USB_PID_TEVII_S630)},
1710 	[PROF_1100] = {USB_DEVICE(0x3011, USB_PID_PROF_1100)},
1711 	[TEVII_S660] = {USB_DEVICE(0x9022, USB_PID_TEVII_S660)},
1712 	[PROF_7500] = {USB_DEVICE(0x3034, 0x7500)},
1713 	[GENIATECH_SU3000] = {USB_DEVICE(0x1f4d, 0x3000)},
1714 	[TERRATEC_CINERGY_S2] = {USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_S2_R1)},
1715 	[TEVII_S480_1] = {USB_DEVICE(0x9022, USB_PID_TEVII_S480_1)},
1716 	[TEVII_S480_2] = {USB_DEVICE(0x9022, USB_PID_TEVII_S480_2)},
1717 	[X3M_SPC1400HD] = {USB_DEVICE(0x1f4d, 0x3100)},
1718 	[TEVII_S421] = {USB_DEVICE(0x9022, USB_PID_TEVII_S421)},
1719 	[TEVII_S632] = {USB_DEVICE(0x9022, USB_PID_TEVII_S632)},
1720 	[TERRATEC_CINERGY_S2_R2] = {USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_S2_R2)},
1721 	[GOTVIEW_SAT_HD] = {USB_DEVICE(0x1FE1, USB_PID_GOTVIEW_SAT_HD)},
1722 	[GENIATECH_T220] = {USB_DEVICE(0x1f4d, 0xD220)},
1723 	[TECHNOTREND_S2_4600] = {USB_DEVICE(USB_VID_TECHNOTREND,
1724 		USB_PID_TECHNOTREND_CONNECT_S2_4600)},
1725 	[TEVII_S482_1] = {USB_DEVICE(0x9022, 0xd483)},
1726 	[TEVII_S482_2] = {USB_DEVICE(0x9022, 0xd484)},
1727 	[TERRATEC_CINERGY_S2_BOX] = {USB_DEVICE(USB_VID_TERRATEC, 0x0105)},
1728 	{ }
1729 };
1730 
1731 MODULE_DEVICE_TABLE(usb, dw2102_table);
1732 
1733 static int dw2102_load_firmware(struct usb_device *dev,
1734 			const struct firmware *frmwr)
1735 {
1736 	u8 *b, *p;
1737 	int ret = 0, i;
1738 	u8 reset;
1739 	u8 reset16[] = {0, 0, 0, 0, 0, 0, 0};
1740 	const struct firmware *fw;
1741 
1742 	switch (le16_to_cpu(dev->descriptor.idProduct)) {
1743 	case 0x2101:
1744 		ret = request_firmware(&fw, DW2101_FIRMWARE, &dev->dev);
1745 		if (ret != 0) {
1746 			err(err_str, DW2101_FIRMWARE);
1747 			return ret;
1748 		}
1749 		break;
1750 	default:
1751 		fw = frmwr;
1752 		break;
1753 	}
1754 	info("start downloading DW210X firmware");
1755 	p = kmalloc(fw->size, GFP_KERNEL);
1756 	reset = 1;
1757 	/*stop the CPU*/
1758 	dw210x_op_rw(dev, 0xa0, 0x7f92, 0, &reset, 1, DW210X_WRITE_MSG);
1759 	dw210x_op_rw(dev, 0xa0, 0xe600, 0, &reset, 1, DW210X_WRITE_MSG);
1760 
1761 	if (p != NULL) {
1762 		memcpy(p, fw->data, fw->size);
1763 		for (i = 0; i < fw->size; i += 0x40) {
1764 			b = (u8 *) p + i;
1765 			if (dw210x_op_rw(dev, 0xa0, i, 0, b , 0x40,
1766 					DW210X_WRITE_MSG) != 0x40) {
1767 				err("error while transferring firmware");
1768 				ret = -EINVAL;
1769 				break;
1770 			}
1771 		}
1772 		/* restart the CPU */
1773 		reset = 0;
1774 		if (ret || dw210x_op_rw(dev, 0xa0, 0x7f92, 0, &reset, 1,
1775 					DW210X_WRITE_MSG) != 1) {
1776 			err("could not restart the USB controller CPU.");
1777 			ret = -EINVAL;
1778 		}
1779 		if (ret || dw210x_op_rw(dev, 0xa0, 0xe600, 0, &reset, 1,
1780 					DW210X_WRITE_MSG) != 1) {
1781 			err("could not restart the USB controller CPU.");
1782 			ret = -EINVAL;
1783 		}
1784 		/* init registers */
1785 		switch (le16_to_cpu(dev->descriptor.idProduct)) {
1786 		case USB_PID_TEVII_S650:
1787 			dw2104_properties.rc.core.rc_codes = RC_MAP_TEVII_NEC;
1788 		case USB_PID_DW2104:
1789 			reset = 1;
1790 			dw210x_op_rw(dev, 0xc4, 0x0000, 0, &reset, 1,
1791 					DW210X_WRITE_MSG);
1792 			/* break omitted intentionally */
1793 		case USB_PID_DW3101:
1794 			reset = 0;
1795 			dw210x_op_rw(dev, 0xbf, 0x0040, 0, &reset, 0,
1796 					DW210X_WRITE_MSG);
1797 			break;
1798 		case USB_PID_CINERGY_S:
1799 		case USB_PID_DW2102:
1800 			dw210x_op_rw(dev, 0xbf, 0x0040, 0, &reset, 0,
1801 					DW210X_WRITE_MSG);
1802 			dw210x_op_rw(dev, 0xb9, 0x0000, 0, &reset16[0], 2,
1803 					DW210X_READ_MSG);
1804 			/* check STV0299 frontend  */
1805 			dw210x_op_rw(dev, 0xb5, 0, 0, &reset16[0], 2,
1806 					DW210X_READ_MSG);
1807 			if ((reset16[0] == 0xa1) || (reset16[0] == 0x80)) {
1808 				dw2102_properties.i2c_algo = &dw2102_i2c_algo;
1809 				dw2102_properties.adapter->fe[0].tuner_attach = &dw2102_tuner_attach;
1810 				break;
1811 			} else {
1812 				/* check STV0288 frontend  */
1813 				reset16[0] = 0xd0;
1814 				reset16[1] = 1;
1815 				reset16[2] = 0;
1816 				dw210x_op_rw(dev, 0xc2, 0, 0, &reset16[0], 3,
1817 						DW210X_WRITE_MSG);
1818 				dw210x_op_rw(dev, 0xc3, 0xd1, 0, &reset16[0], 3,
1819 						DW210X_READ_MSG);
1820 				if (reset16[2] == 0x11) {
1821 					dw2102_properties.i2c_algo = &dw2102_earda_i2c_algo;
1822 					break;
1823 				}
1824 			}
1825 		case 0x2101:
1826 			dw210x_op_rw(dev, 0xbc, 0x0030, 0, &reset16[0], 2,
1827 					DW210X_READ_MSG);
1828 			dw210x_op_rw(dev, 0xba, 0x0000, 0, &reset16[0], 7,
1829 					DW210X_READ_MSG);
1830 			dw210x_op_rw(dev, 0xba, 0x0000, 0, &reset16[0], 7,
1831 					DW210X_READ_MSG);
1832 			dw210x_op_rw(dev, 0xb9, 0x0000, 0, &reset16[0], 2,
1833 					DW210X_READ_MSG);
1834 			break;
1835 		}
1836 
1837 		msleep(100);
1838 		kfree(p);
1839 	}
1840 	return ret;
1841 }
1842 
1843 static struct dvb_usb_device_properties dw2102_properties = {
1844 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
1845 	.usb_ctrl = DEVICE_SPECIFIC,
1846 	.firmware = DW2102_FIRMWARE,
1847 	.no_reconnect = 1,
1848 
1849 	.i2c_algo = &dw2102_serit_i2c_algo,
1850 
1851 	.rc.core = {
1852 		.rc_interval = 150,
1853 		.rc_codes = RC_MAP_DM1105_NEC,
1854 		.module_name = "dw2102",
1855 		.allowed_protos   = RC_BIT_NEC,
1856 		.rc_query = dw2102_rc_query,
1857 	},
1858 
1859 	.generic_bulk_ctrl_endpoint = 0x81,
1860 	/* parameter for the MPEG2-data transfer */
1861 	.num_adapters = 1,
1862 	.download_firmware = dw2102_load_firmware,
1863 	.read_mac_address = dw210x_read_mac_address,
1864 	.adapter = {
1865 		{
1866 		.num_frontends = 1,
1867 		.fe = {{
1868 			.frontend_attach = dw2102_frontend_attach,
1869 			.stream = {
1870 				.type = USB_BULK,
1871 				.count = 8,
1872 				.endpoint = 0x82,
1873 				.u = {
1874 					.bulk = {
1875 						.buffersize = 4096,
1876 					}
1877 				}
1878 			},
1879 		}},
1880 		}
1881 	},
1882 	.num_device_descs = 3,
1883 	.devices = {
1884 		{"DVBWorld DVB-S 2102 USB2.0",
1885 			{&dw2102_table[CYPRESS_DW2102], NULL},
1886 			{NULL},
1887 		},
1888 		{"DVBWorld DVB-S 2101 USB2.0",
1889 			{&dw2102_table[CYPRESS_DW2101], NULL},
1890 			{NULL},
1891 		},
1892 		{"TerraTec Cinergy S USB",
1893 			{&dw2102_table[TERRATEC_CINERGY_S], NULL},
1894 			{NULL},
1895 		},
1896 	}
1897 };
1898 
1899 static struct dvb_usb_device_properties dw2104_properties = {
1900 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
1901 	.usb_ctrl = DEVICE_SPECIFIC,
1902 	.firmware = DW2104_FIRMWARE,
1903 	.no_reconnect = 1,
1904 
1905 	.i2c_algo = &dw2104_i2c_algo,
1906 	.rc.core = {
1907 		.rc_interval = 150,
1908 		.rc_codes = RC_MAP_DM1105_NEC,
1909 		.module_name = "dw2102",
1910 		.allowed_protos   = RC_BIT_NEC,
1911 		.rc_query = dw2102_rc_query,
1912 	},
1913 
1914 	.generic_bulk_ctrl_endpoint = 0x81,
1915 	/* parameter for the MPEG2-data transfer */
1916 	.num_adapters = 1,
1917 	.download_firmware = dw2102_load_firmware,
1918 	.read_mac_address = dw210x_read_mac_address,
1919 	.adapter = {
1920 		{
1921 		.num_frontends = 1,
1922 		.fe = {{
1923 			.frontend_attach = dw2104_frontend_attach,
1924 			.stream = {
1925 				.type = USB_BULK,
1926 				.count = 8,
1927 				.endpoint = 0x82,
1928 				.u = {
1929 					.bulk = {
1930 						.buffersize = 4096,
1931 					}
1932 				}
1933 			},
1934 		}},
1935 		}
1936 	},
1937 	.num_device_descs = 2,
1938 	.devices = {
1939 		{ "DVBWorld DW2104 USB2.0",
1940 			{&dw2102_table[CYPRESS_DW2104], NULL},
1941 			{NULL},
1942 		},
1943 		{ "TeVii S650 USB2.0",
1944 			{&dw2102_table[TEVII_S650], NULL},
1945 			{NULL},
1946 		},
1947 	}
1948 };
1949 
1950 static struct dvb_usb_device_properties dw3101_properties = {
1951 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
1952 	.usb_ctrl = DEVICE_SPECIFIC,
1953 	.firmware = DW3101_FIRMWARE,
1954 	.no_reconnect = 1,
1955 
1956 	.i2c_algo = &dw3101_i2c_algo,
1957 	.rc.core = {
1958 		.rc_interval = 150,
1959 		.rc_codes = RC_MAP_DM1105_NEC,
1960 		.module_name = "dw2102",
1961 		.allowed_protos   = RC_BIT_NEC,
1962 		.rc_query = dw2102_rc_query,
1963 	},
1964 
1965 	.generic_bulk_ctrl_endpoint = 0x81,
1966 	/* parameter for the MPEG2-data transfer */
1967 	.num_adapters = 1,
1968 	.download_firmware = dw2102_load_firmware,
1969 	.read_mac_address = dw210x_read_mac_address,
1970 	.adapter = {
1971 		{
1972 		.num_frontends = 1,
1973 		.fe = {{
1974 			.frontend_attach = dw3101_frontend_attach,
1975 			.tuner_attach = dw3101_tuner_attach,
1976 			.stream = {
1977 				.type = USB_BULK,
1978 				.count = 8,
1979 				.endpoint = 0x82,
1980 				.u = {
1981 					.bulk = {
1982 						.buffersize = 4096,
1983 					}
1984 				}
1985 			},
1986 		}},
1987 		}
1988 	},
1989 	.num_device_descs = 1,
1990 	.devices = {
1991 		{ "DVBWorld DVB-C 3101 USB2.0",
1992 			{&dw2102_table[CYPRESS_DW3101], NULL},
1993 			{NULL},
1994 		},
1995 	}
1996 };
1997 
1998 static struct dvb_usb_device_properties s6x0_properties = {
1999 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
2000 	.usb_ctrl = DEVICE_SPECIFIC,
2001 	.size_of_priv = sizeof(struct dw2102_state),
2002 	.firmware = S630_FIRMWARE,
2003 	.no_reconnect = 1,
2004 
2005 	.i2c_algo = &s6x0_i2c_algo,
2006 	.rc.core = {
2007 		.rc_interval = 150,
2008 		.rc_codes = RC_MAP_TEVII_NEC,
2009 		.module_name = "dw2102",
2010 		.allowed_protos   = RC_BIT_NEC,
2011 		.rc_query = dw2102_rc_query,
2012 	},
2013 
2014 	.generic_bulk_ctrl_endpoint = 0x81,
2015 	.num_adapters = 1,
2016 	.download_firmware = dw2102_load_firmware,
2017 	.read_mac_address = s6x0_read_mac_address,
2018 	.adapter = {
2019 		{
2020 		.num_frontends = 1,
2021 		.fe = {{
2022 			.frontend_attach = zl100313_frontend_attach,
2023 			.stream = {
2024 				.type = USB_BULK,
2025 				.count = 8,
2026 				.endpoint = 0x82,
2027 				.u = {
2028 					.bulk = {
2029 						.buffersize = 4096,
2030 					}
2031 				}
2032 			},
2033 		}},
2034 		}
2035 	},
2036 	.num_device_descs = 1,
2037 	.devices = {
2038 		{"TeVii S630 USB",
2039 			{&dw2102_table[TEVII_S630], NULL},
2040 			{NULL},
2041 		},
2042 	}
2043 };
2044 
2045 static struct dvb_usb_device_properties *p1100;
2046 static struct dvb_usb_device_description d1100 = {
2047 	"Prof 1100 USB ",
2048 	{&dw2102_table[PROF_1100], NULL},
2049 	{NULL},
2050 };
2051 
2052 static struct dvb_usb_device_properties *s660;
2053 static struct dvb_usb_device_description d660 = {
2054 	"TeVii S660 USB",
2055 	{&dw2102_table[TEVII_S660], NULL},
2056 	{NULL},
2057 };
2058 
2059 static struct dvb_usb_device_description d480_1 = {
2060 	"TeVii S480.1 USB",
2061 	{&dw2102_table[TEVII_S480_1], NULL},
2062 	{NULL},
2063 };
2064 
2065 static struct dvb_usb_device_description d480_2 = {
2066 	"TeVii S480.2 USB",
2067 	{&dw2102_table[TEVII_S480_2], NULL},
2068 	{NULL},
2069 };
2070 
2071 static struct dvb_usb_device_properties *p7500;
2072 static struct dvb_usb_device_description d7500 = {
2073 	"Prof 7500 USB DVB-S2",
2074 	{&dw2102_table[PROF_7500], NULL},
2075 	{NULL},
2076 };
2077 
2078 static struct dvb_usb_device_properties *s421;
2079 static struct dvb_usb_device_description d421 = {
2080 	"TeVii S421 PCI",
2081 	{&dw2102_table[TEVII_S421], NULL},
2082 	{NULL},
2083 };
2084 
2085 static struct dvb_usb_device_description d632 = {
2086 	"TeVii S632 USB",
2087 	{&dw2102_table[TEVII_S632], NULL},
2088 	{NULL},
2089 };
2090 
2091 static struct dvb_usb_device_properties su3000_properties = {
2092 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
2093 	.usb_ctrl = DEVICE_SPECIFIC,
2094 	.size_of_priv = sizeof(struct dw2102_state),
2095 	.power_ctrl = su3000_power_ctrl,
2096 	.num_adapters = 1,
2097 	.identify_state	= su3000_identify_state,
2098 	.i2c_algo = &su3000_i2c_algo,
2099 
2100 	.rc.core = {
2101 		.rc_interval = 150,
2102 		.rc_codes = RC_MAP_SU3000,
2103 		.module_name = "dw2102",
2104 		.allowed_protos   = RC_BIT_RC5,
2105 		.rc_query = su3000_rc_query,
2106 	},
2107 
2108 	.read_mac_address = su3000_read_mac_address,
2109 
2110 	.generic_bulk_ctrl_endpoint = 0x01,
2111 
2112 	.adapter = {
2113 		{
2114 		.num_frontends = 1,
2115 		.fe = {{
2116 			.streaming_ctrl   = su3000_streaming_ctrl,
2117 			.frontend_attach  = su3000_frontend_attach,
2118 			.stream = {
2119 				.type = USB_BULK,
2120 				.count = 8,
2121 				.endpoint = 0x82,
2122 				.u = {
2123 					.bulk = {
2124 						.buffersize = 4096,
2125 					}
2126 				}
2127 			}
2128 		}},
2129 		}
2130 	},
2131 	.num_device_descs = 5,
2132 	.devices = {
2133 		{ "SU3000HD DVB-S USB2.0",
2134 			{ &dw2102_table[GENIATECH_SU3000], NULL },
2135 			{ NULL },
2136 		},
2137 		{ "Terratec Cinergy S2 USB HD",
2138 			{ &dw2102_table[TERRATEC_CINERGY_S2], NULL },
2139 			{ NULL },
2140 		},
2141 		{ "X3M TV SPC1400HD PCI",
2142 			{ &dw2102_table[X3M_SPC1400HD], NULL },
2143 			{ NULL },
2144 		},
2145 		{ "Terratec Cinergy S2 USB HD Rev.2",
2146 			{ &dw2102_table[TERRATEC_CINERGY_S2_R2], NULL },
2147 			{ NULL },
2148 		},
2149 		{ "GOTVIEW Satellite HD",
2150 			{ &dw2102_table[GOTVIEW_SAT_HD], NULL },
2151 			{ NULL },
2152 		},
2153 	}
2154 };
2155 
2156 static struct dvb_usb_device_properties t220_properties = {
2157 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
2158 	.usb_ctrl = DEVICE_SPECIFIC,
2159 	.size_of_priv = sizeof(struct dw2102_state),
2160 	.power_ctrl = su3000_power_ctrl,
2161 	.num_adapters = 1,
2162 	.identify_state	= su3000_identify_state,
2163 	.i2c_algo = &su3000_i2c_algo,
2164 
2165 	.rc.core = {
2166 		.rc_interval = 150,
2167 		.rc_codes = RC_MAP_SU3000,
2168 		.module_name = "dw2102",
2169 		.allowed_protos   = RC_BIT_RC5,
2170 		.rc_query = su3000_rc_query,
2171 	},
2172 
2173 	.read_mac_address = su3000_read_mac_address,
2174 
2175 	.generic_bulk_ctrl_endpoint = 0x01,
2176 
2177 	.adapter = {
2178 		{
2179 		.num_frontends = 1,
2180 		.fe = { {
2181 			.streaming_ctrl   = su3000_streaming_ctrl,
2182 			.frontend_attach  = t220_frontend_attach,
2183 			.stream = {
2184 				.type = USB_BULK,
2185 				.count = 8,
2186 				.endpoint = 0x82,
2187 				.u = {
2188 					.bulk = {
2189 						.buffersize = 4096,
2190 					}
2191 				}
2192 			}
2193 		} },
2194 		}
2195 	},
2196 	.num_device_descs = 1,
2197 	.devices = {
2198 		{ "Geniatech T220 DVB-T/T2 USB2.0",
2199 			{ &dw2102_table[GENIATECH_T220], NULL },
2200 			{ NULL },
2201 		},
2202 	}
2203 };
2204 
2205 static struct dvb_usb_device_properties tt_s2_4600_properties = {
2206 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
2207 	.usb_ctrl = DEVICE_SPECIFIC,
2208 	.size_of_priv = sizeof(struct dw2102_state),
2209 	.power_ctrl = su3000_power_ctrl,
2210 	.num_adapters = 1,
2211 	.identify_state	= su3000_identify_state,
2212 	.i2c_algo = &su3000_i2c_algo,
2213 
2214 	.rc.core = {
2215 		.rc_interval = 250,
2216 		.rc_codes = RC_MAP_TT_1500,
2217 		.module_name = "dw2102",
2218 		.allowed_protos   = RC_BIT_RC5,
2219 		.rc_query = su3000_rc_query,
2220 	},
2221 
2222 	.read_mac_address = su3000_read_mac_address,
2223 
2224 	.generic_bulk_ctrl_endpoint = 0x01,
2225 
2226 	.adapter = {
2227 		{
2228 		.num_frontends = 1,
2229 		.fe = {{
2230 			.streaming_ctrl   = su3000_streaming_ctrl,
2231 			.frontend_attach  = tt_s2_4600_frontend_attach,
2232 			.stream = {
2233 				.type = USB_BULK,
2234 				.count = 8,
2235 				.endpoint = 0x82,
2236 				.u = {
2237 					.bulk = {
2238 						.buffersize = 4096,
2239 					}
2240 				}
2241 			}
2242 		} },
2243 		}
2244 	},
2245 	.num_device_descs = 4,
2246 	.devices = {
2247 		{ "TechnoTrend TT-connect S2-4600",
2248 			{ &dw2102_table[TECHNOTREND_S2_4600], NULL },
2249 			{ NULL },
2250 		},
2251 		{ "TeVii S482 (tuner 1)",
2252 			{ &dw2102_table[TEVII_S482_1], NULL },
2253 			{ NULL },
2254 		},
2255 		{ "TeVii S482 (tuner 2)",
2256 			{ &dw2102_table[TEVII_S482_2], NULL },
2257 			{ NULL },
2258 		},
2259 		{ "Terratec Cinergy S2 USB BOX",
2260 			{ &dw2102_table[TERRATEC_CINERGY_S2_BOX], NULL },
2261 			{ NULL },
2262 		},
2263 	}
2264 };
2265 
2266 static int dw2102_probe(struct usb_interface *intf,
2267 		const struct usb_device_id *id)
2268 {
2269 	p1100 = kmemdup(&s6x0_properties,
2270 			sizeof(struct dvb_usb_device_properties), GFP_KERNEL);
2271 	if (!p1100)
2272 		return -ENOMEM;
2273 	/* copy default structure */
2274 	/* fill only different fields */
2275 	p1100->firmware = P1100_FIRMWARE;
2276 	p1100->devices[0] = d1100;
2277 	p1100->rc.core.rc_query = prof_rc_query;
2278 	p1100->rc.core.rc_codes = RC_MAP_TBS_NEC;
2279 	p1100->adapter->fe[0].frontend_attach = stv0288_frontend_attach;
2280 
2281 	s660 = kmemdup(&s6x0_properties,
2282 		       sizeof(struct dvb_usb_device_properties), GFP_KERNEL);
2283 	if (!s660) {
2284 		kfree(p1100);
2285 		return -ENOMEM;
2286 	}
2287 	s660->firmware = S660_FIRMWARE;
2288 	s660->num_device_descs = 3;
2289 	s660->devices[0] = d660;
2290 	s660->devices[1] = d480_1;
2291 	s660->devices[2] = d480_2;
2292 	s660->adapter->fe[0].frontend_attach = ds3000_frontend_attach;
2293 
2294 	p7500 = kmemdup(&s6x0_properties,
2295 			sizeof(struct dvb_usb_device_properties), GFP_KERNEL);
2296 	if (!p7500) {
2297 		kfree(p1100);
2298 		kfree(s660);
2299 		return -ENOMEM;
2300 	}
2301 	p7500->firmware = P7500_FIRMWARE;
2302 	p7500->devices[0] = d7500;
2303 	p7500->rc.core.rc_query = prof_rc_query;
2304 	p7500->rc.core.rc_codes = RC_MAP_TBS_NEC;
2305 	p7500->adapter->fe[0].frontend_attach = prof_7500_frontend_attach;
2306 
2307 
2308 	s421 = kmemdup(&su3000_properties,
2309 		       sizeof(struct dvb_usb_device_properties), GFP_KERNEL);
2310 	if (!s421) {
2311 		kfree(p1100);
2312 		kfree(s660);
2313 		kfree(p7500);
2314 		return -ENOMEM;
2315 	}
2316 	s421->num_device_descs = 2;
2317 	s421->devices[0] = d421;
2318 	s421->devices[1] = d632;
2319 	s421->adapter->fe[0].frontend_attach = m88rs2000_frontend_attach;
2320 
2321 	if (0 == dvb_usb_device_init(intf, &dw2102_properties,
2322 			THIS_MODULE, NULL, adapter_nr) ||
2323 	    0 == dvb_usb_device_init(intf, &dw2104_properties,
2324 			THIS_MODULE, NULL, adapter_nr) ||
2325 	    0 == dvb_usb_device_init(intf, &dw3101_properties,
2326 			THIS_MODULE, NULL, adapter_nr) ||
2327 	    0 == dvb_usb_device_init(intf, &s6x0_properties,
2328 			THIS_MODULE, NULL, adapter_nr) ||
2329 	    0 == dvb_usb_device_init(intf, p1100,
2330 			THIS_MODULE, NULL, adapter_nr) ||
2331 	    0 == dvb_usb_device_init(intf, s660,
2332 			THIS_MODULE, NULL, adapter_nr) ||
2333 	    0 == dvb_usb_device_init(intf, p7500,
2334 			THIS_MODULE, NULL, adapter_nr) ||
2335 	    0 == dvb_usb_device_init(intf, s421,
2336 			THIS_MODULE, NULL, adapter_nr) ||
2337 	    0 == dvb_usb_device_init(intf, &su3000_properties,
2338 			 THIS_MODULE, NULL, adapter_nr) ||
2339 	    0 == dvb_usb_device_init(intf, &t220_properties,
2340 			 THIS_MODULE, NULL, adapter_nr) ||
2341 	    0 == dvb_usb_device_init(intf, &tt_s2_4600_properties,
2342 			 THIS_MODULE, NULL, adapter_nr))
2343 		return 0;
2344 
2345 	return -ENODEV;
2346 }
2347 
2348 static void dw2102_disconnect(struct usb_interface *intf)
2349 {
2350 	struct dvb_usb_device *d = usb_get_intfdata(intf);
2351 	struct dw2102_state *st = (struct dw2102_state *)d->priv;
2352 	struct i2c_client *client;
2353 
2354 	/* remove I2C client for tuner */
2355 	client = st->i2c_client_tuner;
2356 	if (client) {
2357 		module_put(client->dev.driver->owner);
2358 		i2c_unregister_device(client);
2359 	}
2360 
2361 	/* remove I2C client for demodulator */
2362 	client = st->i2c_client_demod;
2363 	if (client) {
2364 		module_put(client->dev.driver->owner);
2365 		i2c_unregister_device(client);
2366 	}
2367 
2368 	dvb_usb_device_exit(intf);
2369 }
2370 
2371 static struct usb_driver dw2102_driver = {
2372 	.name = "dw2102",
2373 	.probe = dw2102_probe,
2374 	.disconnect = dw2102_disconnect,
2375 	.id_table = dw2102_table,
2376 };
2377 
2378 module_usb_driver(dw2102_driver);
2379 
2380 MODULE_AUTHOR("Igor M. Liplianin (c) liplianin@me.by");
2381 MODULE_DESCRIPTION("Driver for DVBWorld DVB-S 2101, 2102, DVB-S2 2104,"
2382 			" DVB-C 3101 USB2.0,"
2383 			" TeVii S600, S630, S650, S660, S480, S421, S632"
2384 			" Prof 1100, 7500 USB2.0,"
2385 			" Geniatech SU3000, T220,"
2386 			" TechnoTrend S2-4600 devices");
2387 MODULE_VERSION("0.1");
2388 MODULE_LICENSE("GPL");
2389 MODULE_FIRMWARE(DW2101_FIRMWARE);
2390 MODULE_FIRMWARE(DW2102_FIRMWARE);
2391 MODULE_FIRMWARE(DW2104_FIRMWARE);
2392 MODULE_FIRMWARE(DW3101_FIRMWARE);
2393 MODULE_FIRMWARE(S630_FIRMWARE);
2394 MODULE_FIRMWARE(S660_FIRMWARE);
2395 MODULE_FIRMWARE(P1100_FIRMWARE);
2396 MODULE_FIRMWARE(P7500_FIRMWARE);
2397