xref: /openbmc/linux/drivers/media/usb/dvb-usb/dw2102.c (revision 293d5b43)
1 /* DVB USB framework compliant Linux driver for the
2  *	DVBWorld DVB-S 2101, 2102, DVB-S2 2104, DVB-C 3101,
3  *	TeVii S421, S480, S482, S600, S630, S632, S650, S660, S662,
4  *	Prof 1100, 7500,
5  *	Geniatech SU3000, T220,
6  *	TechnoTrend S2-4600,
7  *	Terratec Cinergy S2 cards
8  * Copyright (C) 2008-2012 Igor M. Liplianin (liplianin@me.by)
9  *
10  *	This program is free software; you can redistribute it and/or modify it
11  *	under the terms of the GNU General Public License as published by the
12  *	Free Software Foundation, version 2.
13  *
14  * see Documentation/dvb/README.dvb-usb for more information
15  */
16 #include "dvb-usb-ids.h"
17 #include "dw2102.h"
18 #include "si21xx.h"
19 #include "stv0299.h"
20 #include "z0194a.h"
21 #include "stv0288.h"
22 #include "stb6000.h"
23 #include "eds1547.h"
24 #include "cx24116.h"
25 #include "tda1002x.h"
26 #include "mt312.h"
27 #include "zl10039.h"
28 #include "ts2020.h"
29 #include "ds3000.h"
30 #include "stv0900.h"
31 #include "stv6110.h"
32 #include "stb6100.h"
33 #include "stb6100_proc.h"
34 #include "m88rs2000.h"
35 #include "tda18271.h"
36 #include "cxd2820r.h"
37 #include "m88ds3103.h"
38 
39 /* Max transfer size done by I2C transfer functions */
40 #define MAX_XFER_SIZE  64
41 
42 
43 #define DW210X_READ_MSG 0
44 #define DW210X_WRITE_MSG 1
45 
46 #define REG_1F_SYMBOLRATE_BYTE0 0x1f
47 #define REG_20_SYMBOLRATE_BYTE1 0x20
48 #define REG_21_SYMBOLRATE_BYTE2 0x21
49 /* on my own*/
50 #define DW2102_VOLTAGE_CTRL (0x1800)
51 #define SU3000_STREAM_CTRL (0x1900)
52 #define DW2102_RC_QUERY (0x1a00)
53 #define DW2102_LED_CTRL (0x1b00)
54 
55 #define DW2101_FIRMWARE "dvb-usb-dw2101.fw"
56 #define DW2102_FIRMWARE "dvb-usb-dw2102.fw"
57 #define DW2104_FIRMWARE "dvb-usb-dw2104.fw"
58 #define DW3101_FIRMWARE "dvb-usb-dw3101.fw"
59 #define S630_FIRMWARE   "dvb-usb-s630.fw"
60 #define S660_FIRMWARE   "dvb-usb-s660.fw"
61 #define P1100_FIRMWARE  "dvb-usb-p1100.fw"
62 #define P7500_FIRMWARE  "dvb-usb-p7500.fw"
63 
64 #define	err_str "did not find the firmware file. (%s) " \
65 		"Please see linux/Documentation/dvb/ for more details " \
66 		"on firmware-problems."
67 
68 struct dw2102_state {
69 	u8 initialized;
70 	u8 last_lock;
71 	struct i2c_client *i2c_client_demod;
72 	struct i2c_client *i2c_client_tuner;
73 
74 	/* fe hook functions*/
75 	int (*old_set_voltage)(struct dvb_frontend *f, enum fe_sec_voltage v);
76 	int (*fe_read_status)(struct dvb_frontend *fe,
77 			      enum fe_status *status);
78 };
79 
80 /* debug */
81 static int dvb_usb_dw2102_debug;
82 module_param_named(debug, dvb_usb_dw2102_debug, int, 0644);
83 MODULE_PARM_DESC(debug, "set debugging level (1=info 2=xfer 4=rc(or-able))."
84 						DVB_USB_DEBUG_STATUS);
85 
86 /* demod probe */
87 static int demod_probe = 1;
88 module_param_named(demod, demod_probe, int, 0644);
89 MODULE_PARM_DESC(demod, "demod to probe (1=cx24116 2=stv0903+stv6110 "
90 			"4=stv0903+stb6100(or-able)).");
91 
92 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
93 
94 static int dw210x_op_rw(struct usb_device *dev, u8 request, u16 value,
95 			u16 index, u8 * data, u16 len, int flags)
96 {
97 	int ret;
98 	u8 *u8buf;
99 	unsigned int pipe = (flags == DW210X_READ_MSG) ?
100 				usb_rcvctrlpipe(dev, 0) : usb_sndctrlpipe(dev, 0);
101 	u8 request_type = (flags == DW210X_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT;
102 
103 	u8buf = kmalloc(len, GFP_KERNEL);
104 	if (!u8buf)
105 		return -ENOMEM;
106 
107 
108 	if (flags == DW210X_WRITE_MSG)
109 		memcpy(u8buf, data, len);
110 	ret = usb_control_msg(dev, pipe, request, request_type | USB_TYPE_VENDOR,
111 				value, index , u8buf, len, 2000);
112 
113 	if (flags == DW210X_READ_MSG)
114 		memcpy(data, u8buf, len);
115 
116 	kfree(u8buf);
117 	return ret;
118 }
119 
120 /* I2C */
121 static int dw2102_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
122 		int num)
123 {
124 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
125 	int i = 0;
126 	u8 buf6[] = {0x2c, 0x05, 0xc0, 0, 0, 0, 0};
127 	u16 value;
128 
129 	if (!d)
130 		return -ENODEV;
131 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
132 		return -EAGAIN;
133 
134 	switch (num) {
135 	case 2:
136 		/* read stv0299 register */
137 		value = msg[0].buf[0];/* register */
138 		for (i = 0; i < msg[1].len; i++) {
139 			dw210x_op_rw(d->udev, 0xb5, value + i, 0,
140 					buf6, 2, DW210X_READ_MSG);
141 			msg[1].buf[i] = buf6[0];
142 		}
143 		break;
144 	case 1:
145 		switch (msg[0].addr) {
146 		case 0x68:
147 			/* write to stv0299 register */
148 			buf6[0] = 0x2a;
149 			buf6[1] = msg[0].buf[0];
150 			buf6[2] = msg[0].buf[1];
151 			dw210x_op_rw(d->udev, 0xb2, 0, 0,
152 					buf6, 3, DW210X_WRITE_MSG);
153 			break;
154 		case 0x60:
155 			if (msg[0].flags == 0) {
156 			/* write to tuner pll */
157 				buf6[0] = 0x2c;
158 				buf6[1] = 5;
159 				buf6[2] = 0xc0;
160 				buf6[3] = msg[0].buf[0];
161 				buf6[4] = msg[0].buf[1];
162 				buf6[5] = msg[0].buf[2];
163 				buf6[6] = msg[0].buf[3];
164 				dw210x_op_rw(d->udev, 0xb2, 0, 0,
165 						buf6, 7, DW210X_WRITE_MSG);
166 			} else {
167 			/* read from tuner */
168 				dw210x_op_rw(d->udev, 0xb5, 0, 0,
169 						buf6, 1, DW210X_READ_MSG);
170 				msg[0].buf[0] = buf6[0];
171 			}
172 			break;
173 		case (DW2102_RC_QUERY):
174 			dw210x_op_rw(d->udev, 0xb8, 0, 0,
175 					buf6, 2, DW210X_READ_MSG);
176 			msg[0].buf[0] = buf6[0];
177 			msg[0].buf[1] = buf6[1];
178 			break;
179 		case (DW2102_VOLTAGE_CTRL):
180 			buf6[0] = 0x30;
181 			buf6[1] = msg[0].buf[0];
182 			dw210x_op_rw(d->udev, 0xb2, 0, 0,
183 					buf6, 2, DW210X_WRITE_MSG);
184 			break;
185 		}
186 
187 		break;
188 	}
189 
190 	mutex_unlock(&d->i2c_mutex);
191 	return num;
192 }
193 
194 static int dw2102_serit_i2c_transfer(struct i2c_adapter *adap,
195 						struct i2c_msg msg[], int num)
196 {
197 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
198 	u8 buf6[] = {0, 0, 0, 0, 0, 0, 0};
199 
200 	if (!d)
201 		return -ENODEV;
202 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
203 		return -EAGAIN;
204 
205 	switch (num) {
206 	case 2:
207 		/* read si2109 register by number */
208 		buf6[0] = msg[0].addr << 1;
209 		buf6[1] = msg[0].len;
210 		buf6[2] = msg[0].buf[0];
211 		dw210x_op_rw(d->udev, 0xc2, 0, 0,
212 				buf6, msg[0].len + 2, DW210X_WRITE_MSG);
213 		/* read si2109 register */
214 		dw210x_op_rw(d->udev, 0xc3, 0xd0, 0,
215 				buf6, msg[1].len + 2, DW210X_READ_MSG);
216 		memcpy(msg[1].buf, buf6 + 2, msg[1].len);
217 
218 		break;
219 	case 1:
220 		switch (msg[0].addr) {
221 		case 0x68:
222 			/* write to si2109 register */
223 			buf6[0] = msg[0].addr << 1;
224 			buf6[1] = msg[0].len;
225 			memcpy(buf6 + 2, msg[0].buf, msg[0].len);
226 			dw210x_op_rw(d->udev, 0xc2, 0, 0, buf6,
227 					msg[0].len + 2, DW210X_WRITE_MSG);
228 			break;
229 		case(DW2102_RC_QUERY):
230 			dw210x_op_rw(d->udev, 0xb8, 0, 0,
231 					buf6, 2, DW210X_READ_MSG);
232 			msg[0].buf[0] = buf6[0];
233 			msg[0].buf[1] = buf6[1];
234 			break;
235 		case(DW2102_VOLTAGE_CTRL):
236 			buf6[0] = 0x30;
237 			buf6[1] = msg[0].buf[0];
238 			dw210x_op_rw(d->udev, 0xb2, 0, 0,
239 					buf6, 2, DW210X_WRITE_MSG);
240 			break;
241 		}
242 		break;
243 	}
244 
245 	mutex_unlock(&d->i2c_mutex);
246 	return num;
247 }
248 
249 static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
250 {
251 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
252 	int ret;
253 
254 	if (!d)
255 		return -ENODEV;
256 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
257 		return -EAGAIN;
258 
259 	switch (num) {
260 	case 2: {
261 		/* read */
262 		/* first write first register number */
263 		u8 ibuf[MAX_XFER_SIZE], obuf[3];
264 
265 		if (2 + msg[1].len > sizeof(ibuf)) {
266 			warn("i2c rd: len=%d is too big!\n",
267 			     msg[1].len);
268 			ret = -EOPNOTSUPP;
269 			goto unlock;
270 		}
271 
272 		obuf[0] = msg[0].addr << 1;
273 		obuf[1] = msg[0].len;
274 		obuf[2] = msg[0].buf[0];
275 		dw210x_op_rw(d->udev, 0xc2, 0, 0,
276 				obuf, msg[0].len + 2, DW210X_WRITE_MSG);
277 		/* second read registers */
278 		dw210x_op_rw(d->udev, 0xc3, 0xd1 , 0,
279 				ibuf, msg[1].len + 2, DW210X_READ_MSG);
280 		memcpy(msg[1].buf, ibuf + 2, msg[1].len);
281 
282 		break;
283 	}
284 	case 1:
285 		switch (msg[0].addr) {
286 		case 0x68: {
287 			/* write to register */
288 			u8 obuf[MAX_XFER_SIZE];
289 
290 			if (2 + msg[0].len > sizeof(obuf)) {
291 				warn("i2c wr: len=%d is too big!\n",
292 				     msg[1].len);
293 				ret = -EOPNOTSUPP;
294 				goto unlock;
295 			}
296 
297 			obuf[0] = msg[0].addr << 1;
298 			obuf[1] = msg[0].len;
299 			memcpy(obuf + 2, msg[0].buf, msg[0].len);
300 			dw210x_op_rw(d->udev, 0xc2, 0, 0,
301 					obuf, msg[0].len + 2, DW210X_WRITE_MSG);
302 			break;
303 		}
304 		case 0x61: {
305 			/* write to tuner */
306 			u8 obuf[MAX_XFER_SIZE];
307 
308 			if (2 + msg[0].len > sizeof(obuf)) {
309 				warn("i2c wr: len=%d is too big!\n",
310 				     msg[1].len);
311 				ret = -EOPNOTSUPP;
312 				goto unlock;
313 			}
314 
315 			obuf[0] = msg[0].addr << 1;
316 			obuf[1] = msg[0].len;
317 			memcpy(obuf + 2, msg[0].buf, msg[0].len);
318 			dw210x_op_rw(d->udev, 0xc2, 0, 0,
319 					obuf, msg[0].len + 2, DW210X_WRITE_MSG);
320 			break;
321 		}
322 		case(DW2102_RC_QUERY): {
323 			u8 ibuf[2];
324 			dw210x_op_rw(d->udev, 0xb8, 0, 0,
325 					ibuf, 2, DW210X_READ_MSG);
326 			memcpy(msg[0].buf, ibuf , 2);
327 			break;
328 		}
329 		case(DW2102_VOLTAGE_CTRL): {
330 			u8 obuf[2];
331 			obuf[0] = 0x30;
332 			obuf[1] = msg[0].buf[0];
333 			dw210x_op_rw(d->udev, 0xb2, 0, 0,
334 					obuf, 2, DW210X_WRITE_MSG);
335 			break;
336 		}
337 		}
338 
339 		break;
340 	}
341 	ret = num;
342 
343 unlock:
344 	mutex_unlock(&d->i2c_mutex);
345 	return ret;
346 }
347 
348 static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)
349 {
350 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
351 	int len, i, j, ret;
352 
353 	if (!d)
354 		return -ENODEV;
355 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
356 		return -EAGAIN;
357 
358 	for (j = 0; j < num; j++) {
359 		switch (msg[j].addr) {
360 		case(DW2102_RC_QUERY): {
361 			u8 ibuf[2];
362 			dw210x_op_rw(d->udev, 0xb8, 0, 0,
363 					ibuf, 2, DW210X_READ_MSG);
364 			memcpy(msg[j].buf, ibuf , 2);
365 			break;
366 		}
367 		case(DW2102_VOLTAGE_CTRL): {
368 			u8 obuf[2];
369 			obuf[0] = 0x30;
370 			obuf[1] = msg[j].buf[0];
371 			dw210x_op_rw(d->udev, 0xb2, 0, 0,
372 					obuf, 2, DW210X_WRITE_MSG);
373 			break;
374 		}
375 		/*case 0x55: cx24116
376 		case 0x6a: stv0903
377 		case 0x68: ds3000, stv0903
378 		case 0x60: ts2020, stv6110, stb6100 */
379 		default: {
380 			if (msg[j].flags == I2C_M_RD) {
381 				/* read registers */
382 				u8  ibuf[MAX_XFER_SIZE];
383 
384 				if (2 + msg[j].len > sizeof(ibuf)) {
385 					warn("i2c rd: len=%d is too big!\n",
386 					     msg[j].len);
387 					ret = -EOPNOTSUPP;
388 					goto unlock;
389 				}
390 
391 				dw210x_op_rw(d->udev, 0xc3,
392 						(msg[j].addr << 1) + 1, 0,
393 						ibuf, msg[j].len + 2,
394 						DW210X_READ_MSG);
395 				memcpy(msg[j].buf, ibuf + 2, msg[j].len);
396 				mdelay(10);
397 			} else if (((msg[j].buf[0] == 0xb0) &&
398 						(msg[j].addr == 0x68)) ||
399 						((msg[j].buf[0] == 0xf7) &&
400 						(msg[j].addr == 0x55))) {
401 				/* write firmware */
402 				u8 obuf[19];
403 				obuf[0] = msg[j].addr << 1;
404 				obuf[1] = (msg[j].len > 15 ? 17 : msg[j].len);
405 				obuf[2] = msg[j].buf[0];
406 				len = msg[j].len - 1;
407 				i = 1;
408 				do {
409 					memcpy(obuf + 3, msg[j].buf + i,
410 							(len > 16 ? 16 : len));
411 					dw210x_op_rw(d->udev, 0xc2, 0, 0,
412 						obuf, (len > 16 ? 16 : len) + 3,
413 						DW210X_WRITE_MSG);
414 					i += 16;
415 					len -= 16;
416 				} while (len > 0);
417 			} else {
418 				/* write registers */
419 				u8 obuf[MAX_XFER_SIZE];
420 
421 				if (2 + msg[j].len > sizeof(obuf)) {
422 					warn("i2c wr: len=%d is too big!\n",
423 					     msg[j].len);
424 					ret = -EOPNOTSUPP;
425 					goto unlock;
426 				}
427 
428 				obuf[0] = msg[j].addr << 1;
429 				obuf[1] = msg[j].len;
430 				memcpy(obuf + 2, msg[j].buf, msg[j].len);
431 				dw210x_op_rw(d->udev, 0xc2, 0, 0,
432 						obuf, msg[j].len + 2,
433 						DW210X_WRITE_MSG);
434 			}
435 			break;
436 		}
437 		}
438 
439 	}
440 	ret = num;
441 
442 unlock:
443 	mutex_unlock(&d->i2c_mutex);
444 	return ret;
445 }
446 
447 static int dw3101_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
448 								int num)
449 {
450 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
451 	int ret;
452 	int i;
453 
454 	if (!d)
455 		return -ENODEV;
456 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
457 		return -EAGAIN;
458 
459 	switch (num) {
460 	case 2: {
461 		/* read */
462 		/* first write first register number */
463 		u8 ibuf[MAX_XFER_SIZE], obuf[3];
464 
465 		if (2 + msg[1].len > sizeof(ibuf)) {
466 			warn("i2c rd: len=%d is too big!\n",
467 			     msg[1].len);
468 			ret = -EOPNOTSUPP;
469 			goto unlock;
470 		}
471 		obuf[0] = msg[0].addr << 1;
472 		obuf[1] = msg[0].len;
473 		obuf[2] = msg[0].buf[0];
474 		dw210x_op_rw(d->udev, 0xc2, 0, 0,
475 				obuf, msg[0].len + 2, DW210X_WRITE_MSG);
476 		/* second read registers */
477 		dw210x_op_rw(d->udev, 0xc3, 0x19 , 0,
478 				ibuf, msg[1].len + 2, DW210X_READ_MSG);
479 		memcpy(msg[1].buf, ibuf + 2, msg[1].len);
480 
481 		break;
482 	}
483 	case 1:
484 		switch (msg[0].addr) {
485 		case 0x60:
486 		case 0x0c: {
487 			/* write to register */
488 			u8 obuf[MAX_XFER_SIZE];
489 
490 			if (2 + msg[0].len > sizeof(obuf)) {
491 				warn("i2c wr: len=%d is too big!\n",
492 				     msg[0].len);
493 				ret = -EOPNOTSUPP;
494 				goto unlock;
495 			}
496 			obuf[0] = msg[0].addr << 1;
497 			obuf[1] = msg[0].len;
498 			memcpy(obuf + 2, msg[0].buf, msg[0].len);
499 			dw210x_op_rw(d->udev, 0xc2, 0, 0,
500 					obuf, msg[0].len + 2, DW210X_WRITE_MSG);
501 			break;
502 		}
503 		case(DW2102_RC_QUERY): {
504 			u8 ibuf[2];
505 			dw210x_op_rw(d->udev, 0xb8, 0, 0,
506 					ibuf, 2, DW210X_READ_MSG);
507 			memcpy(msg[0].buf, ibuf , 2);
508 			break;
509 		}
510 		}
511 
512 		break;
513 	}
514 
515 	for (i = 0; i < num; i++) {
516 		deb_xfer("%02x:%02x: %s ", i, msg[i].addr,
517 				msg[i].flags == 0 ? ">>>" : "<<<");
518 		debug_dump(msg[i].buf, msg[i].len, deb_xfer);
519 	}
520 	ret = num;
521 
522 unlock:
523 	mutex_unlock(&d->i2c_mutex);
524 	return ret;
525 }
526 
527 static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
528 								int num)
529 {
530 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
531 	struct usb_device *udev;
532 	int len, i, j, ret;
533 
534 	if (!d)
535 		return -ENODEV;
536 	udev = d->udev;
537 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
538 		return -EAGAIN;
539 
540 	for (j = 0; j < num; j++) {
541 		switch (msg[j].addr) {
542 		case (DW2102_RC_QUERY): {
543 			u8 ibuf[5];
544 			dw210x_op_rw(d->udev, 0xb8, 0, 0,
545 					ibuf, 5, DW210X_READ_MSG);
546 			memcpy(msg[j].buf, ibuf + 3, 2);
547 			break;
548 		}
549 		case (DW2102_VOLTAGE_CTRL): {
550 			u8 obuf[2];
551 
552 			obuf[0] = 1;
553 			obuf[1] = msg[j].buf[1];/* off-on */
554 			dw210x_op_rw(d->udev, 0x8a, 0, 0,
555 					obuf, 2, DW210X_WRITE_MSG);
556 			obuf[0] = 3;
557 			obuf[1] = msg[j].buf[0];/* 13v-18v */
558 			dw210x_op_rw(d->udev, 0x8a, 0, 0,
559 					obuf, 2, DW210X_WRITE_MSG);
560 			break;
561 		}
562 		case (DW2102_LED_CTRL): {
563 			u8 obuf[2];
564 
565 			obuf[0] = 5;
566 			obuf[1] = msg[j].buf[0];
567 			dw210x_op_rw(d->udev, 0x8a, 0, 0,
568 					obuf, 2, DW210X_WRITE_MSG);
569 			break;
570 		}
571 		/*case 0x55: cx24116
572 		case 0x6a: stv0903
573 		case 0x68: ds3000, stv0903, rs2000
574 		case 0x60: ts2020, stv6110, stb6100
575 		case 0xa0: eeprom */
576 		default: {
577 			if (msg[j].flags == I2C_M_RD) {
578 				/* read registers */
579 				u8 ibuf[MAX_XFER_SIZE];
580 
581 				if (msg[j].len > sizeof(ibuf)) {
582 					warn("i2c rd: len=%d is too big!\n",
583 					     msg[j].len);
584 					ret = -EOPNOTSUPP;
585 					goto unlock;
586 				}
587 
588 				dw210x_op_rw(d->udev, 0x91, 0, 0,
589 						ibuf, msg[j].len,
590 						DW210X_READ_MSG);
591 				memcpy(msg[j].buf, ibuf, msg[j].len);
592 				break;
593 			} else if ((msg[j].buf[0] == 0xb0) &&
594 						(msg[j].addr == 0x68)) {
595 				/* write firmware */
596 				u8 obuf[19];
597 				obuf[0] = (msg[j].len > 16 ?
598 						18 : msg[j].len + 1);
599 				obuf[1] = msg[j].addr << 1;
600 				obuf[2] = msg[j].buf[0];
601 				len = msg[j].len - 1;
602 				i = 1;
603 				do {
604 					memcpy(obuf + 3, msg[j].buf + i,
605 							(len > 16 ? 16 : len));
606 					dw210x_op_rw(d->udev, 0x80, 0, 0,
607 						obuf, (len > 16 ? 16 : len) + 3,
608 						DW210X_WRITE_MSG);
609 					i += 16;
610 					len -= 16;
611 				} while (len > 0);
612 			} else if (j < (num - 1)) {
613 				/* write register addr before read */
614 				u8 obuf[MAX_XFER_SIZE];
615 
616 				if (2 + msg[j].len > sizeof(obuf)) {
617 					warn("i2c wr: len=%d is too big!\n",
618 					     msg[j].len);
619 					ret = -EOPNOTSUPP;
620 					goto unlock;
621 				}
622 
623 				obuf[0] = msg[j + 1].len;
624 				obuf[1] = (msg[j].addr << 1);
625 				memcpy(obuf + 2, msg[j].buf, msg[j].len);
626 				dw210x_op_rw(d->udev,
627 						le16_to_cpu(udev->descriptor.idProduct) ==
628 						0x7500 ? 0x92 : 0x90, 0, 0,
629 						obuf, msg[j].len + 2,
630 						DW210X_WRITE_MSG);
631 				break;
632 			} else {
633 				/* write registers */
634 				u8 obuf[MAX_XFER_SIZE];
635 
636 				if (2 + msg[j].len > sizeof(obuf)) {
637 					warn("i2c wr: len=%d is too big!\n",
638 					     msg[j].len);
639 					ret = -EOPNOTSUPP;
640 					goto unlock;
641 				}
642 				obuf[0] = msg[j].len + 1;
643 				obuf[1] = (msg[j].addr << 1);
644 				memcpy(obuf + 2, msg[j].buf, msg[j].len);
645 				dw210x_op_rw(d->udev, 0x80, 0, 0,
646 						obuf, msg[j].len + 2,
647 						DW210X_WRITE_MSG);
648 				break;
649 			}
650 			break;
651 		}
652 		}
653 	}
654 	ret = num;
655 
656 unlock:
657 	mutex_unlock(&d->i2c_mutex);
658 	return ret;
659 }
660 
661 static int su3000_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
662 								int num)
663 {
664 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
665 	u8 obuf[0x40], ibuf[0x40];
666 
667 	if (!d)
668 		return -ENODEV;
669 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
670 		return -EAGAIN;
671 
672 	switch (num) {
673 	case 1:
674 		switch (msg[0].addr) {
675 		case SU3000_STREAM_CTRL:
676 			obuf[0] = msg[0].buf[0] + 0x36;
677 			obuf[1] = 3;
678 			obuf[2] = 0;
679 			if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 0, 0) < 0)
680 				err("i2c transfer failed.");
681 			break;
682 		case DW2102_RC_QUERY:
683 			obuf[0] = 0x10;
684 			if (dvb_usb_generic_rw(d, obuf, 1, ibuf, 2, 0) < 0)
685 				err("i2c transfer failed.");
686 			msg[0].buf[1] = ibuf[0];
687 			msg[0].buf[0] = ibuf[1];
688 			break;
689 		default:
690 			/* always i2c write*/
691 			obuf[0] = 0x08;
692 			obuf[1] = msg[0].addr;
693 			obuf[2] = msg[0].len;
694 
695 			memcpy(&obuf[3], msg[0].buf, msg[0].len);
696 
697 			if (dvb_usb_generic_rw(d, obuf, msg[0].len + 3,
698 						ibuf, 1, 0) < 0)
699 				err("i2c transfer failed.");
700 
701 		}
702 		break;
703 	case 2:
704 		/* always i2c read */
705 		obuf[0] = 0x09;
706 		obuf[1] = msg[0].len;
707 		obuf[2] = msg[1].len;
708 		obuf[3] = msg[0].addr;
709 		memcpy(&obuf[4], msg[0].buf, msg[0].len);
710 
711 		if (dvb_usb_generic_rw(d, obuf, msg[0].len + 4,
712 					ibuf, msg[1].len + 1, 0) < 0)
713 			err("i2c transfer failed.");
714 
715 		memcpy(msg[1].buf, &ibuf[1], msg[1].len);
716 		break;
717 	default:
718 		warn("more than 2 i2c messages at a time is not handled yet.");
719 		break;
720 	}
721 	mutex_unlock(&d->i2c_mutex);
722 	return num;
723 }
724 
725 static u32 dw210x_i2c_func(struct i2c_adapter *adapter)
726 {
727 	return I2C_FUNC_I2C;
728 }
729 
730 static struct i2c_algorithm dw2102_i2c_algo = {
731 	.master_xfer = dw2102_i2c_transfer,
732 	.functionality = dw210x_i2c_func,
733 };
734 
735 static struct i2c_algorithm dw2102_serit_i2c_algo = {
736 	.master_xfer = dw2102_serit_i2c_transfer,
737 	.functionality = dw210x_i2c_func,
738 };
739 
740 static struct i2c_algorithm dw2102_earda_i2c_algo = {
741 	.master_xfer = dw2102_earda_i2c_transfer,
742 	.functionality = dw210x_i2c_func,
743 };
744 
745 static struct i2c_algorithm dw2104_i2c_algo = {
746 	.master_xfer = dw2104_i2c_transfer,
747 	.functionality = dw210x_i2c_func,
748 };
749 
750 static struct i2c_algorithm dw3101_i2c_algo = {
751 	.master_xfer = dw3101_i2c_transfer,
752 	.functionality = dw210x_i2c_func,
753 };
754 
755 static struct i2c_algorithm s6x0_i2c_algo = {
756 	.master_xfer = s6x0_i2c_transfer,
757 	.functionality = dw210x_i2c_func,
758 };
759 
760 static struct i2c_algorithm su3000_i2c_algo = {
761 	.master_xfer = su3000_i2c_transfer,
762 	.functionality = dw210x_i2c_func,
763 };
764 
765 static int dw210x_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
766 {
767 	int i;
768 	u8 ibuf[] = {0, 0};
769 	u8 eeprom[256], eepromline[16];
770 
771 	for (i = 0; i < 256; i++) {
772 		if (dw210x_op_rw(d->udev, 0xb6, 0xa0 , i, ibuf, 2, DW210X_READ_MSG) < 0) {
773 			err("read eeprom failed.");
774 			return -1;
775 		} else {
776 			eepromline[i%16] = ibuf[0];
777 			eeprom[i] = ibuf[0];
778 		}
779 		if ((i % 16) == 15) {
780 			deb_xfer("%02x: ", i - 15);
781 			debug_dump(eepromline, 16, deb_xfer);
782 		}
783 	}
784 
785 	memcpy(mac, eeprom + 8, 6);
786 	return 0;
787 };
788 
789 static int s6x0_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
790 {
791 	int i, ret;
792 	u8 ibuf[] = { 0 }, obuf[] = { 0 };
793 	u8 eeprom[256], eepromline[16];
794 	struct i2c_msg msg[] = {
795 		{
796 			.addr = 0xa0 >> 1,
797 			.flags = 0,
798 			.buf = obuf,
799 			.len = 1,
800 		}, {
801 			.addr = 0xa0 >> 1,
802 			.flags = I2C_M_RD,
803 			.buf = ibuf,
804 			.len = 1,
805 		}
806 	};
807 
808 	for (i = 0; i < 256; i++) {
809 		obuf[0] = i;
810 		ret = s6x0_i2c_transfer(&d->i2c_adap, msg, 2);
811 		if (ret != 2) {
812 			err("read eeprom failed.");
813 			return -1;
814 		} else {
815 			eepromline[i % 16] = ibuf[0];
816 			eeprom[i] = ibuf[0];
817 		}
818 
819 		if ((i % 16) == 15) {
820 			deb_xfer("%02x: ", i - 15);
821 			debug_dump(eepromline, 16, deb_xfer);
822 		}
823 	}
824 
825 	memcpy(mac, eeprom + 16, 6);
826 	return 0;
827 };
828 
829 static int su3000_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
830 {
831 	static u8 command_start[] = {0x00};
832 	static u8 command_stop[] = {0x01};
833 	struct i2c_msg msg = {
834 		.addr = SU3000_STREAM_CTRL,
835 		.flags = 0,
836 		.buf = onoff ? command_start : command_stop,
837 		.len = 1
838 	};
839 
840 	i2c_transfer(&adap->dev->i2c_adap, &msg, 1);
841 
842 	return 0;
843 }
844 
845 static int su3000_power_ctrl(struct dvb_usb_device *d, int i)
846 {
847 	struct dw2102_state *state = (struct dw2102_state *)d->priv;
848 	u8 obuf[] = {0xde, 0};
849 
850 	info("%s: %d, initialized %d", __func__, i, state->initialized);
851 
852 	if (i && !state->initialized) {
853 		state->initialized = 1;
854 		/* reset board */
855 		dvb_usb_generic_rw(d, obuf, 2, NULL, 0, 0);
856 	}
857 
858 	return 0;
859 }
860 
861 static int su3000_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
862 {
863 	int i;
864 	u8 obuf[] = { 0x1f, 0xf0 };
865 	u8 ibuf[] = { 0 };
866 	struct i2c_msg msg[] = {
867 		{
868 			.addr = 0x51,
869 			.flags = 0,
870 			.buf = obuf,
871 			.len = 2,
872 		}, {
873 			.addr = 0x51,
874 			.flags = I2C_M_RD,
875 			.buf = ibuf,
876 			.len = 1,
877 
878 		}
879 	};
880 
881 	for (i = 0; i < 6; i++) {
882 		obuf[1] = 0xf0 + i;
883 		if (i2c_transfer(&d->i2c_adap, msg, 2) != 2)
884 			break;
885 		else
886 			mac[i] = ibuf[0];
887 	}
888 
889 	return 0;
890 }
891 
892 static int su3000_identify_state(struct usb_device *udev,
893 				 struct dvb_usb_device_properties *props,
894 				 struct dvb_usb_device_description **desc,
895 				 int *cold)
896 {
897 	info("%s", __func__);
898 
899 	*cold = 0;
900 	return 0;
901 }
902 
903 static int dw210x_set_voltage(struct dvb_frontend *fe,
904 			      enum fe_sec_voltage voltage)
905 {
906 	static u8 command_13v[] = {0x00, 0x01};
907 	static u8 command_18v[] = {0x01, 0x01};
908 	static u8 command_off[] = {0x00, 0x00};
909 	struct i2c_msg msg = {
910 		.addr = DW2102_VOLTAGE_CTRL,
911 		.flags = 0,
912 		.buf = command_off,
913 		.len = 2,
914 	};
915 
916 	struct dvb_usb_adapter *udev_adap =
917 		(struct dvb_usb_adapter *)(fe->dvb->priv);
918 	if (voltage == SEC_VOLTAGE_18)
919 		msg.buf = command_18v;
920 	else if (voltage == SEC_VOLTAGE_13)
921 		msg.buf = command_13v;
922 
923 	i2c_transfer(&udev_adap->dev->i2c_adap, &msg, 1);
924 
925 	return 0;
926 }
927 
928 static int s660_set_voltage(struct dvb_frontend *fe,
929 			    enum fe_sec_voltage voltage)
930 {
931 	struct dvb_usb_adapter *d =
932 		(struct dvb_usb_adapter *)(fe->dvb->priv);
933 	struct dw2102_state *st = (struct dw2102_state *)d->dev->priv;
934 
935 	dw210x_set_voltage(fe, voltage);
936 	if (st->old_set_voltage)
937 		st->old_set_voltage(fe, voltage);
938 
939 	return 0;
940 }
941 
942 static void dw210x_led_ctrl(struct dvb_frontend *fe, int offon)
943 {
944 	static u8 led_off[] = { 0 };
945 	static u8 led_on[] = { 1 };
946 	struct i2c_msg msg = {
947 		.addr = DW2102_LED_CTRL,
948 		.flags = 0,
949 		.buf = led_off,
950 		.len = 1
951 	};
952 	struct dvb_usb_adapter *udev_adap =
953 		(struct dvb_usb_adapter *)(fe->dvb->priv);
954 
955 	if (offon)
956 		msg.buf = led_on;
957 	i2c_transfer(&udev_adap->dev->i2c_adap, &msg, 1);
958 }
959 
960 static int tt_s2_4600_read_status(struct dvb_frontend *fe,
961 				  enum fe_status *status)
962 {
963 	struct dvb_usb_adapter *d =
964 		(struct dvb_usb_adapter *)(fe->dvb->priv);
965 	struct dw2102_state *st = (struct dw2102_state *)d->dev->priv;
966 	int ret;
967 
968 	ret = st->fe_read_status(fe, status);
969 
970 	/* resync slave fifo when signal change from unlock to lock */
971 	if ((*status & FE_HAS_LOCK) && (!st->last_lock))
972 		su3000_streaming_ctrl(d, 1);
973 
974 	st->last_lock = (*status & FE_HAS_LOCK) ? 1 : 0;
975 	return ret;
976 }
977 
978 static struct stv0299_config sharp_z0194a_config = {
979 	.demod_address = 0x68,
980 	.inittab = sharp_z0194a_inittab,
981 	.mclk = 88000000UL,
982 	.invert = 1,
983 	.skip_reinit = 0,
984 	.lock_output = STV0299_LOCKOUTPUT_1,
985 	.volt13_op0_op1 = STV0299_VOLT13_OP1,
986 	.min_delay_ms = 100,
987 	.set_symbol_rate = sharp_z0194a_set_symbol_rate,
988 };
989 
990 static struct cx24116_config dw2104_config = {
991 	.demod_address = 0x55,
992 	.mpg_clk_pos_pol = 0x01,
993 };
994 
995 static struct si21xx_config serit_sp1511lhb_config = {
996 	.demod_address = 0x68,
997 	.min_delay_ms = 100,
998 
999 };
1000 
1001 static struct tda10023_config dw3101_tda10023_config = {
1002 	.demod_address = 0x0c,
1003 	.invert = 1,
1004 };
1005 
1006 static struct mt312_config zl313_config = {
1007 	.demod_address = 0x0e,
1008 };
1009 
1010 static struct ds3000_config dw2104_ds3000_config = {
1011 	.demod_address = 0x68,
1012 };
1013 
1014 static struct ts2020_config dw2104_ts2020_config = {
1015 	.tuner_address = 0x60,
1016 	.clk_out_div = 1,
1017 	.frequency_div = 1060000,
1018 };
1019 
1020 static struct ds3000_config s660_ds3000_config = {
1021 	.demod_address = 0x68,
1022 	.ci_mode = 1,
1023 	.set_lock_led = dw210x_led_ctrl,
1024 };
1025 
1026 static struct ts2020_config s660_ts2020_config = {
1027 	.tuner_address = 0x60,
1028 	.clk_out_div = 1,
1029 	.frequency_div = 1146000,
1030 };
1031 
1032 static struct stv0900_config dw2104a_stv0900_config = {
1033 	.demod_address = 0x6a,
1034 	.demod_mode = 0,
1035 	.xtal = 27000000,
1036 	.clkmode = 3,/* 0-CLKI, 2-XTALI, else AUTO */
1037 	.diseqc_mode = 2,/* 2/3 PWM */
1038 	.tun1_maddress = 0,/* 0x60 */
1039 	.tun1_adc = 0,/* 2 Vpp */
1040 	.path1_mode = 3,
1041 };
1042 
1043 static struct stb6100_config dw2104a_stb6100_config = {
1044 	.tuner_address = 0x60,
1045 	.refclock = 27000000,
1046 };
1047 
1048 static struct stv0900_config dw2104_stv0900_config = {
1049 	.demod_address = 0x68,
1050 	.demod_mode = 0,
1051 	.xtal = 8000000,
1052 	.clkmode = 3,
1053 	.diseqc_mode = 2,
1054 	.tun1_maddress = 0,
1055 	.tun1_adc = 1,/* 1 Vpp */
1056 	.path1_mode = 3,
1057 };
1058 
1059 static struct stv6110_config dw2104_stv6110_config = {
1060 	.i2c_address = 0x60,
1061 	.mclk = 16000000,
1062 	.clk_div = 1,
1063 };
1064 
1065 static struct stv0900_config prof_7500_stv0900_config = {
1066 	.demod_address = 0x6a,
1067 	.demod_mode = 0,
1068 	.xtal = 27000000,
1069 	.clkmode = 3,/* 0-CLKI, 2-XTALI, else AUTO */
1070 	.diseqc_mode = 2,/* 2/3 PWM */
1071 	.tun1_maddress = 0,/* 0x60 */
1072 	.tun1_adc = 0,/* 2 Vpp */
1073 	.path1_mode = 3,
1074 	.tun1_type = 3,
1075 	.set_lock_led = dw210x_led_ctrl,
1076 };
1077 
1078 static struct ds3000_config su3000_ds3000_config = {
1079 	.demod_address = 0x68,
1080 	.ci_mode = 1,
1081 	.set_lock_led = dw210x_led_ctrl,
1082 };
1083 
1084 static struct cxd2820r_config cxd2820r_config = {
1085 	.i2c_address = 0x6c, /* (0xd8 >> 1) */
1086 	.ts_mode = 0x38,
1087 	.ts_clock_inv = 1,
1088 };
1089 
1090 static struct tda18271_config tda18271_config = {
1091 	.output_opt = TDA18271_OUTPUT_LT_OFF,
1092 	.gate = TDA18271_GATE_DIGITAL,
1093 };
1094 
1095 static u8 m88rs2000_inittab[] = {
1096 	DEMOD_WRITE, 0x9a, 0x30,
1097 	DEMOD_WRITE, 0x00, 0x01,
1098 	WRITE_DELAY, 0x19, 0x00,
1099 	DEMOD_WRITE, 0x00, 0x00,
1100 	DEMOD_WRITE, 0x9a, 0xb0,
1101 	DEMOD_WRITE, 0x81, 0xc1,
1102 	DEMOD_WRITE, 0x81, 0x81,
1103 	DEMOD_WRITE, 0x86, 0xc6,
1104 	DEMOD_WRITE, 0x9a, 0x30,
1105 	DEMOD_WRITE, 0xf0, 0x80,
1106 	DEMOD_WRITE, 0xf1, 0xbf,
1107 	DEMOD_WRITE, 0xb0, 0x45,
1108 	DEMOD_WRITE, 0xb2, 0x01,
1109 	DEMOD_WRITE, 0x9a, 0xb0,
1110 	0xff, 0xaa, 0xff
1111 };
1112 
1113 static struct m88rs2000_config s421_m88rs2000_config = {
1114 	.demod_addr = 0x68,
1115 	.inittab = m88rs2000_inittab,
1116 };
1117 
1118 static int dw2104_frontend_attach(struct dvb_usb_adapter *d)
1119 {
1120 	struct dvb_tuner_ops *tuner_ops = NULL;
1121 
1122 	if (demod_probe & 4) {
1123 		d->fe_adap[0].fe = dvb_attach(stv0900_attach, &dw2104a_stv0900_config,
1124 				&d->dev->i2c_adap, 0);
1125 		if (d->fe_adap[0].fe != NULL) {
1126 			if (dvb_attach(stb6100_attach, d->fe_adap[0].fe,
1127 					&dw2104a_stb6100_config,
1128 					&d->dev->i2c_adap)) {
1129 				tuner_ops = &d->fe_adap[0].fe->ops.tuner_ops;
1130 				tuner_ops->set_frequency = stb6100_set_freq;
1131 				tuner_ops->get_frequency = stb6100_get_freq;
1132 				tuner_ops->set_bandwidth = stb6100_set_bandw;
1133 				tuner_ops->get_bandwidth = stb6100_get_bandw;
1134 				d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1135 				info("Attached STV0900+STB6100!");
1136 				return 0;
1137 			}
1138 		}
1139 	}
1140 
1141 	if (demod_probe & 2) {
1142 		d->fe_adap[0].fe = dvb_attach(stv0900_attach, &dw2104_stv0900_config,
1143 				&d->dev->i2c_adap, 0);
1144 		if (d->fe_adap[0].fe != NULL) {
1145 			if (dvb_attach(stv6110_attach, d->fe_adap[0].fe,
1146 					&dw2104_stv6110_config,
1147 					&d->dev->i2c_adap)) {
1148 				d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1149 				info("Attached STV0900+STV6110A!");
1150 				return 0;
1151 			}
1152 		}
1153 	}
1154 
1155 	if (demod_probe & 1) {
1156 		d->fe_adap[0].fe = dvb_attach(cx24116_attach, &dw2104_config,
1157 				&d->dev->i2c_adap);
1158 		if (d->fe_adap[0].fe != NULL) {
1159 			d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1160 			info("Attached cx24116!");
1161 			return 0;
1162 		}
1163 	}
1164 
1165 	d->fe_adap[0].fe = dvb_attach(ds3000_attach, &dw2104_ds3000_config,
1166 			&d->dev->i2c_adap);
1167 	if (d->fe_adap[0].fe != NULL) {
1168 		dvb_attach(ts2020_attach, d->fe_adap[0].fe,
1169 			&dw2104_ts2020_config, &d->dev->i2c_adap);
1170 		d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1171 		info("Attached DS3000!");
1172 		return 0;
1173 	}
1174 
1175 	return -EIO;
1176 }
1177 
1178 static struct dvb_usb_device_properties dw2102_properties;
1179 static struct dvb_usb_device_properties dw2104_properties;
1180 static struct dvb_usb_device_properties s6x0_properties;
1181 
1182 static int dw2102_frontend_attach(struct dvb_usb_adapter *d)
1183 {
1184 	if (dw2102_properties.i2c_algo == &dw2102_serit_i2c_algo) {
1185 		/*dw2102_properties.adapter->tuner_attach = NULL;*/
1186 		d->fe_adap[0].fe = dvb_attach(si21xx_attach, &serit_sp1511lhb_config,
1187 					&d->dev->i2c_adap);
1188 		if (d->fe_adap[0].fe != NULL) {
1189 			d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1190 			info("Attached si21xx!");
1191 			return 0;
1192 		}
1193 	}
1194 
1195 	if (dw2102_properties.i2c_algo == &dw2102_earda_i2c_algo) {
1196 		d->fe_adap[0].fe = dvb_attach(stv0288_attach, &earda_config,
1197 					&d->dev->i2c_adap);
1198 		if (d->fe_adap[0].fe != NULL) {
1199 			if (dvb_attach(stb6000_attach, d->fe_adap[0].fe, 0x61,
1200 					&d->dev->i2c_adap)) {
1201 				d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1202 				info("Attached stv0288!");
1203 				return 0;
1204 			}
1205 		}
1206 	}
1207 
1208 	if (dw2102_properties.i2c_algo == &dw2102_i2c_algo) {
1209 		/*dw2102_properties.adapter->tuner_attach = dw2102_tuner_attach;*/
1210 		d->fe_adap[0].fe = dvb_attach(stv0299_attach, &sharp_z0194a_config,
1211 					&d->dev->i2c_adap);
1212 		if (d->fe_adap[0].fe != NULL) {
1213 			d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1214 			info("Attached stv0299!");
1215 			return 0;
1216 		}
1217 	}
1218 	return -EIO;
1219 }
1220 
1221 static int dw3101_frontend_attach(struct dvb_usb_adapter *d)
1222 {
1223 	d->fe_adap[0].fe = dvb_attach(tda10023_attach, &dw3101_tda10023_config,
1224 				&d->dev->i2c_adap, 0x48);
1225 	if (d->fe_adap[0].fe != NULL) {
1226 		info("Attached tda10023!");
1227 		return 0;
1228 	}
1229 	return -EIO;
1230 }
1231 
1232 static int zl100313_frontend_attach(struct dvb_usb_adapter *d)
1233 {
1234 	d->fe_adap[0].fe = dvb_attach(mt312_attach, &zl313_config,
1235 			&d->dev->i2c_adap);
1236 	if (d->fe_adap[0].fe != NULL) {
1237 		if (dvb_attach(zl10039_attach, d->fe_adap[0].fe, 0x60,
1238 				&d->dev->i2c_adap)) {
1239 			d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1240 			info("Attached zl100313+zl10039!");
1241 			return 0;
1242 		}
1243 	}
1244 
1245 	return -EIO;
1246 }
1247 
1248 static int stv0288_frontend_attach(struct dvb_usb_adapter *d)
1249 {
1250 	u8 obuf[] = {7, 1};
1251 
1252 	d->fe_adap[0].fe = dvb_attach(stv0288_attach, &earda_config,
1253 			&d->dev->i2c_adap);
1254 
1255 	if (d->fe_adap[0].fe == NULL)
1256 		return -EIO;
1257 
1258 	if (NULL == dvb_attach(stb6000_attach, d->fe_adap[0].fe, 0x61, &d->dev->i2c_adap))
1259 		return -EIO;
1260 
1261 	d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1262 
1263 	dw210x_op_rw(d->dev->udev, 0x8a, 0, 0, obuf, 2, DW210X_WRITE_MSG);
1264 
1265 	info("Attached stv0288+stb6000!");
1266 
1267 	return 0;
1268 
1269 }
1270 
1271 static int ds3000_frontend_attach(struct dvb_usb_adapter *d)
1272 {
1273 	struct dw2102_state *st = d->dev->priv;
1274 	u8 obuf[] = {7, 1};
1275 
1276 	d->fe_adap[0].fe = dvb_attach(ds3000_attach, &s660_ds3000_config,
1277 			&d->dev->i2c_adap);
1278 
1279 	if (d->fe_adap[0].fe == NULL)
1280 		return -EIO;
1281 
1282 	dvb_attach(ts2020_attach, d->fe_adap[0].fe, &s660_ts2020_config,
1283 		&d->dev->i2c_adap);
1284 
1285 	st->old_set_voltage = d->fe_adap[0].fe->ops.set_voltage;
1286 	d->fe_adap[0].fe->ops.set_voltage = s660_set_voltage;
1287 
1288 	dw210x_op_rw(d->dev->udev, 0x8a, 0, 0, obuf, 2, DW210X_WRITE_MSG);
1289 
1290 	info("Attached ds3000+ts2020!");
1291 
1292 	return 0;
1293 }
1294 
1295 static int prof_7500_frontend_attach(struct dvb_usb_adapter *d)
1296 {
1297 	u8 obuf[] = {7, 1};
1298 
1299 	d->fe_adap[0].fe = dvb_attach(stv0900_attach, &prof_7500_stv0900_config,
1300 					&d->dev->i2c_adap, 0);
1301 	if (d->fe_adap[0].fe == NULL)
1302 		return -EIO;
1303 
1304 	d->fe_adap[0].fe->ops.set_voltage = dw210x_set_voltage;
1305 
1306 	dw210x_op_rw(d->dev->udev, 0x8a, 0, 0, obuf, 2, DW210X_WRITE_MSG);
1307 
1308 	info("Attached STV0900+STB6100A!");
1309 
1310 	return 0;
1311 }
1312 
1313 static int su3000_frontend_attach(struct dvb_usb_adapter *d)
1314 {
1315 	u8 obuf[3] = { 0xe, 0x80, 0 };
1316 	u8 ibuf[] = { 0 };
1317 
1318 	if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
1319 		err("command 0x0e transfer failed.");
1320 
1321 	obuf[0] = 0xe;
1322 	obuf[1] = 0x02;
1323 	obuf[2] = 1;
1324 
1325 	if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
1326 		err("command 0x0e transfer failed.");
1327 	msleep(300);
1328 
1329 	obuf[0] = 0xe;
1330 	obuf[1] = 0x83;
1331 	obuf[2] = 0;
1332 
1333 	if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
1334 		err("command 0x0e transfer failed.");
1335 
1336 	obuf[0] = 0xe;
1337 	obuf[1] = 0x83;
1338 	obuf[2] = 1;
1339 
1340 	if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
1341 		err("command 0x0e transfer failed.");
1342 
1343 	obuf[0] = 0x51;
1344 
1345 	if (dvb_usb_generic_rw(d->dev, obuf, 1, ibuf, 1, 0) < 0)
1346 		err("command 0x51 transfer failed.");
1347 
1348 	d->fe_adap[0].fe = dvb_attach(ds3000_attach, &su3000_ds3000_config,
1349 					&d->dev->i2c_adap);
1350 	if (d->fe_adap[0].fe == NULL)
1351 		return -EIO;
1352 
1353 	if (dvb_attach(ts2020_attach, d->fe_adap[0].fe,
1354 				&dw2104_ts2020_config,
1355 				&d->dev->i2c_adap)) {
1356 		info("Attached DS3000/TS2020!");
1357 		return 0;
1358 	}
1359 
1360 	info("Failed to attach DS3000/TS2020!");
1361 	return -EIO;
1362 }
1363 
1364 static int t220_frontend_attach(struct dvb_usb_adapter *d)
1365 {
1366 	u8 obuf[3] = { 0xe, 0x87, 0 };
1367 	u8 ibuf[] = { 0 };
1368 
1369 	if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
1370 		err("command 0x0e transfer failed.");
1371 
1372 	obuf[0] = 0xe;
1373 	obuf[1] = 0x86;
1374 	obuf[2] = 1;
1375 
1376 	if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
1377 		err("command 0x0e transfer failed.");
1378 
1379 	obuf[0] = 0xe;
1380 	obuf[1] = 0x80;
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 	msleep(50);
1387 
1388 	obuf[0] = 0xe;
1389 	obuf[1] = 0x80;
1390 	obuf[2] = 1;
1391 
1392 	if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
1393 		err("command 0x0e transfer failed.");
1394 
1395 	obuf[0] = 0x51;
1396 
1397 	if (dvb_usb_generic_rw(d->dev, obuf, 1, ibuf, 1, 0) < 0)
1398 		err("command 0x51 transfer failed.");
1399 
1400 	d->fe_adap[0].fe = dvb_attach(cxd2820r_attach, &cxd2820r_config,
1401 					&d->dev->i2c_adap, NULL);
1402 	if (d->fe_adap[0].fe != NULL) {
1403 		if (dvb_attach(tda18271_attach, d->fe_adap[0].fe, 0x60,
1404 					&d->dev->i2c_adap, &tda18271_config)) {
1405 			info("Attached TDA18271HD/CXD2820R!");
1406 			return 0;
1407 		}
1408 	}
1409 
1410 	info("Failed to attach TDA18271HD/CXD2820R!");
1411 	return -EIO;
1412 }
1413 
1414 static int m88rs2000_frontend_attach(struct dvb_usb_adapter *d)
1415 {
1416 	u8 obuf[] = { 0x51 };
1417 	u8 ibuf[] = { 0 };
1418 
1419 	if (dvb_usb_generic_rw(d->dev, obuf, 1, ibuf, 1, 0) < 0)
1420 		err("command 0x51 transfer failed.");
1421 
1422 	d->fe_adap[0].fe = dvb_attach(m88rs2000_attach, &s421_m88rs2000_config,
1423 					&d->dev->i2c_adap);
1424 
1425 	if (d->fe_adap[0].fe == NULL)
1426 		return -EIO;
1427 
1428 	if (dvb_attach(ts2020_attach, d->fe_adap[0].fe,
1429 				&dw2104_ts2020_config,
1430 				&d->dev->i2c_adap)) {
1431 		info("Attached RS2000/TS2020!");
1432 		return 0;
1433 	}
1434 
1435 	info("Failed to attach RS2000/TS2020!");
1436 	return -EIO;
1437 }
1438 
1439 static int tt_s2_4600_frontend_attach(struct dvb_usb_adapter *adap)
1440 {
1441 	struct dvb_usb_device *d = adap->dev;
1442 	struct dw2102_state *state = d->priv;
1443 	u8 obuf[3] = { 0xe, 0x80, 0 };
1444 	u8 ibuf[] = { 0 };
1445 	struct i2c_adapter *i2c_adapter;
1446 	struct i2c_client *client;
1447 	struct i2c_board_info board_info;
1448 	struct m88ds3103_platform_data m88ds3103_pdata = {};
1449 	struct ts2020_config ts2020_config = {};
1450 
1451 	if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
1452 		err("command 0x0e transfer failed.");
1453 
1454 	obuf[0] = 0xe;
1455 	obuf[1] = 0x02;
1456 	obuf[2] = 1;
1457 
1458 	if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
1459 		err("command 0x0e transfer failed.");
1460 	msleep(300);
1461 
1462 	obuf[0] = 0xe;
1463 	obuf[1] = 0x83;
1464 	obuf[2] = 0;
1465 
1466 	if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
1467 		err("command 0x0e transfer failed.");
1468 
1469 	obuf[0] = 0xe;
1470 	obuf[1] = 0x83;
1471 	obuf[2] = 1;
1472 
1473 	if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
1474 		err("command 0x0e transfer failed.");
1475 
1476 	obuf[0] = 0x51;
1477 
1478 	if (dvb_usb_generic_rw(d, obuf, 1, ibuf, 1, 0) < 0)
1479 		err("command 0x51 transfer failed.");
1480 
1481 	/* attach demod */
1482 	m88ds3103_pdata.clk = 27000000;
1483 	m88ds3103_pdata.i2c_wr_max = 33;
1484 	m88ds3103_pdata.ts_mode = M88DS3103_TS_CI;
1485 	m88ds3103_pdata.ts_clk = 16000;
1486 	m88ds3103_pdata.ts_clk_pol = 0;
1487 	m88ds3103_pdata.spec_inv = 0;
1488 	m88ds3103_pdata.agc = 0x99;
1489 	m88ds3103_pdata.agc_inv = 0;
1490 	m88ds3103_pdata.clk_out = M88DS3103_CLOCK_OUT_ENABLED;
1491 	m88ds3103_pdata.envelope_mode = 0;
1492 	m88ds3103_pdata.lnb_hv_pol = 1;
1493 	m88ds3103_pdata.lnb_en_pol = 0;
1494 	memset(&board_info, 0, sizeof(board_info));
1495 	strlcpy(board_info.type, "m88ds3103", I2C_NAME_SIZE);
1496 	board_info.addr = 0x68;
1497 	board_info.platform_data = &m88ds3103_pdata;
1498 	request_module("m88ds3103");
1499 	client = i2c_new_device(&d->i2c_adap, &board_info);
1500 	if (client == NULL || client->dev.driver == NULL)
1501 		return -ENODEV;
1502 	if (!try_module_get(client->dev.driver->owner)) {
1503 		i2c_unregister_device(client);
1504 		return -ENODEV;
1505 	}
1506 	adap->fe_adap[0].fe = m88ds3103_pdata.get_dvb_frontend(client);
1507 	i2c_adapter = m88ds3103_pdata.get_i2c_adapter(client);
1508 
1509 	state->i2c_client_demod = client;
1510 
1511 	/* attach tuner */
1512 	ts2020_config.fe = adap->fe_adap[0].fe;
1513 	memset(&board_info, 0, sizeof(board_info));
1514 	strlcpy(board_info.type, "ts2022", I2C_NAME_SIZE);
1515 	board_info.addr = 0x60;
1516 	board_info.platform_data = &ts2020_config;
1517 	request_module("ts2020");
1518 	client = i2c_new_device(i2c_adapter, &board_info);
1519 
1520 	if (client == NULL || client->dev.driver == NULL) {
1521 		dvb_frontend_detach(adap->fe_adap[0].fe);
1522 		return -ENODEV;
1523 	}
1524 
1525 	if (!try_module_get(client->dev.driver->owner)) {
1526 		i2c_unregister_device(client);
1527 		dvb_frontend_detach(adap->fe_adap[0].fe);
1528 		return -ENODEV;
1529 	}
1530 
1531 	/* delegate signal strength measurement to tuner */
1532 	adap->fe_adap[0].fe->ops.read_signal_strength =
1533 			adap->fe_adap[0].fe->ops.tuner_ops.get_rf_strength;
1534 
1535 	state->i2c_client_tuner = client;
1536 
1537 	/* hook fe: need to resync the slave fifo when signal locks */
1538 	state->fe_read_status = adap->fe_adap[0].fe->ops.read_status;
1539 	adap->fe_adap[0].fe->ops.read_status = tt_s2_4600_read_status;
1540 
1541 	state->last_lock = 0;
1542 
1543 	return 0;
1544 }
1545 
1546 static int dw2102_tuner_attach(struct dvb_usb_adapter *adap)
1547 {
1548 	dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60,
1549 		&adap->dev->i2c_adap, DVB_PLL_OPERA1);
1550 	return 0;
1551 }
1552 
1553 static int dw3101_tuner_attach(struct dvb_usb_adapter *adap)
1554 {
1555 	dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60,
1556 		&adap->dev->i2c_adap, DVB_PLL_TUA6034);
1557 
1558 	return 0;
1559 }
1560 
1561 static int dw2102_rc_query(struct dvb_usb_device *d)
1562 {
1563 	u8 key[2];
1564 	struct i2c_msg msg = {
1565 		.addr = DW2102_RC_QUERY,
1566 		.flags = I2C_M_RD,
1567 		.buf = key,
1568 		.len = 2
1569 	};
1570 
1571 	if (d->props.i2c_algo->master_xfer(&d->i2c_adap, &msg, 1) == 1) {
1572 		if (msg.buf[0] != 0xff) {
1573 			deb_rc("%s: rc code: %x, %x\n",
1574 					__func__, key[0], key[1]);
1575 			rc_keydown(d->rc_dev, RC_TYPE_UNKNOWN, key[0], 0);
1576 		}
1577 	}
1578 
1579 	return 0;
1580 }
1581 
1582 static int prof_rc_query(struct dvb_usb_device *d)
1583 {
1584 	u8 key[2];
1585 	struct i2c_msg msg = {
1586 		.addr = DW2102_RC_QUERY,
1587 		.flags = I2C_M_RD,
1588 		.buf = key,
1589 		.len = 2
1590 	};
1591 
1592 	if (d->props.i2c_algo->master_xfer(&d->i2c_adap, &msg, 1) == 1) {
1593 		if (msg.buf[0] != 0xff) {
1594 			deb_rc("%s: rc code: %x, %x\n",
1595 					__func__, key[0], key[1]);
1596 			rc_keydown(d->rc_dev, RC_TYPE_UNKNOWN, key[0]^0xff, 0);
1597 		}
1598 	}
1599 
1600 	return 0;
1601 }
1602 
1603 static int su3000_rc_query(struct dvb_usb_device *d)
1604 {
1605 	u8 key[2];
1606 	struct i2c_msg msg = {
1607 		.addr = DW2102_RC_QUERY,
1608 		.flags = I2C_M_RD,
1609 		.buf = key,
1610 		.len = 2
1611 	};
1612 
1613 	if (d->props.i2c_algo->master_xfer(&d->i2c_adap, &msg, 1) == 1) {
1614 		if (msg.buf[0] != 0xff) {
1615 			deb_rc("%s: rc code: %x, %x\n",
1616 					__func__, key[0], key[1]);
1617 			rc_keydown(d->rc_dev, RC_TYPE_RC5,
1618 				   RC_SCANCODE_RC5(key[1], key[0]), 0);
1619 		}
1620 	}
1621 
1622 	return 0;
1623 }
1624 
1625 enum dw2102_table_entry {
1626 	CYPRESS_DW2102,
1627 	CYPRESS_DW2101,
1628 	CYPRESS_DW2104,
1629 	TEVII_S650,
1630 	TERRATEC_CINERGY_S,
1631 	CYPRESS_DW3101,
1632 	TEVII_S630,
1633 	PROF_1100,
1634 	TEVII_S660,
1635 	PROF_7500,
1636 	GENIATECH_SU3000,
1637 	TERRATEC_CINERGY_S2,
1638 	TEVII_S480_1,
1639 	TEVII_S480_2,
1640 	X3M_SPC1400HD,
1641 	TEVII_S421,
1642 	TEVII_S632,
1643 	TERRATEC_CINERGY_S2_R2,
1644 	TERRATEC_CINERGY_S2_R3,
1645 	GOTVIEW_SAT_HD,
1646 	GENIATECH_T220,
1647 	TECHNOTREND_S2_4600,
1648 	TEVII_S482_1,
1649 	TEVII_S482_2,
1650 	TERRATEC_CINERGY_S2_BOX,
1651 	TEVII_S662
1652 };
1653 
1654 static struct usb_device_id dw2102_table[] = {
1655 	[CYPRESS_DW2102] = {USB_DEVICE(USB_VID_CYPRESS, USB_PID_DW2102)},
1656 	[CYPRESS_DW2101] = {USB_DEVICE(USB_VID_CYPRESS, 0x2101)},
1657 	[CYPRESS_DW2104] = {USB_DEVICE(USB_VID_CYPRESS, USB_PID_DW2104)},
1658 	[TEVII_S650] = {USB_DEVICE(0x9022, USB_PID_TEVII_S650)},
1659 	[TERRATEC_CINERGY_S] = {USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_S)},
1660 	[CYPRESS_DW3101] = {USB_DEVICE(USB_VID_CYPRESS, USB_PID_DW3101)},
1661 	[TEVII_S630] = {USB_DEVICE(0x9022, USB_PID_TEVII_S630)},
1662 	[PROF_1100] = {USB_DEVICE(0x3011, USB_PID_PROF_1100)},
1663 	[TEVII_S660] = {USB_DEVICE(0x9022, USB_PID_TEVII_S660)},
1664 	[PROF_7500] = {USB_DEVICE(0x3034, 0x7500)},
1665 	[GENIATECH_SU3000] = {USB_DEVICE(0x1f4d, 0x3000)},
1666 	[TERRATEC_CINERGY_S2] = {USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_S2_R1)},
1667 	[TEVII_S480_1] = {USB_DEVICE(0x9022, USB_PID_TEVII_S480_1)},
1668 	[TEVII_S480_2] = {USB_DEVICE(0x9022, USB_PID_TEVII_S480_2)},
1669 	[X3M_SPC1400HD] = {USB_DEVICE(0x1f4d, 0x3100)},
1670 	[TEVII_S421] = {USB_DEVICE(0x9022, USB_PID_TEVII_S421)},
1671 	[TEVII_S632] = {USB_DEVICE(0x9022, USB_PID_TEVII_S632)},
1672 	[TERRATEC_CINERGY_S2_R2] = {USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_S2_R2)},
1673 	[TERRATEC_CINERGY_S2_R3] = {USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_S2_R3)},
1674 	[GOTVIEW_SAT_HD] = {USB_DEVICE(0x1FE1, USB_PID_GOTVIEW_SAT_HD)},
1675 	[GENIATECH_T220] = {USB_DEVICE(0x1f4d, 0xD220)},
1676 	[TECHNOTREND_S2_4600] = {USB_DEVICE(USB_VID_TECHNOTREND,
1677 		USB_PID_TECHNOTREND_CONNECT_S2_4600)},
1678 	[TEVII_S482_1] = {USB_DEVICE(0x9022, 0xd483)},
1679 	[TEVII_S482_2] = {USB_DEVICE(0x9022, 0xd484)},
1680 	[TERRATEC_CINERGY_S2_BOX] = {USB_DEVICE(USB_VID_TERRATEC, 0x0105)},
1681 	[TEVII_S662] = {USB_DEVICE(0x9022, USB_PID_TEVII_S662)},
1682 	{ }
1683 };
1684 
1685 MODULE_DEVICE_TABLE(usb, dw2102_table);
1686 
1687 static int dw2102_load_firmware(struct usb_device *dev,
1688 			const struct firmware *frmwr)
1689 {
1690 	u8 *b, *p;
1691 	int ret = 0, i;
1692 	u8 reset;
1693 	u8 reset16[] = {0, 0, 0, 0, 0, 0, 0};
1694 	const struct firmware *fw;
1695 
1696 	switch (le16_to_cpu(dev->descriptor.idProduct)) {
1697 	case 0x2101:
1698 		ret = request_firmware(&fw, DW2101_FIRMWARE, &dev->dev);
1699 		if (ret != 0) {
1700 			err(err_str, DW2101_FIRMWARE);
1701 			return ret;
1702 		}
1703 		break;
1704 	default:
1705 		fw = frmwr;
1706 		break;
1707 	}
1708 	info("start downloading DW210X firmware");
1709 	p = kmalloc(fw->size, GFP_KERNEL);
1710 	reset = 1;
1711 	/*stop the CPU*/
1712 	dw210x_op_rw(dev, 0xa0, 0x7f92, 0, &reset, 1, DW210X_WRITE_MSG);
1713 	dw210x_op_rw(dev, 0xa0, 0xe600, 0, &reset, 1, DW210X_WRITE_MSG);
1714 
1715 	if (p != NULL) {
1716 		memcpy(p, fw->data, fw->size);
1717 		for (i = 0; i < fw->size; i += 0x40) {
1718 			b = (u8 *) p + i;
1719 			if (dw210x_op_rw(dev, 0xa0, i, 0, b , 0x40,
1720 					DW210X_WRITE_MSG) != 0x40) {
1721 				err("error while transferring firmware");
1722 				ret = -EINVAL;
1723 				break;
1724 			}
1725 		}
1726 		/* restart the CPU */
1727 		reset = 0;
1728 		if (ret || dw210x_op_rw(dev, 0xa0, 0x7f92, 0, &reset, 1,
1729 					DW210X_WRITE_MSG) != 1) {
1730 			err("could not restart the USB controller CPU.");
1731 			ret = -EINVAL;
1732 		}
1733 		if (ret || dw210x_op_rw(dev, 0xa0, 0xe600, 0, &reset, 1,
1734 					DW210X_WRITE_MSG) != 1) {
1735 			err("could not restart the USB controller CPU.");
1736 			ret = -EINVAL;
1737 		}
1738 		/* init registers */
1739 		switch (le16_to_cpu(dev->descriptor.idProduct)) {
1740 		case USB_PID_TEVII_S650:
1741 			dw2104_properties.rc.core.rc_codes = RC_MAP_TEVII_NEC;
1742 		case USB_PID_DW2104:
1743 			reset = 1;
1744 			dw210x_op_rw(dev, 0xc4, 0x0000, 0, &reset, 1,
1745 					DW210X_WRITE_MSG);
1746 			/* break omitted intentionally */
1747 		case USB_PID_DW3101:
1748 			reset = 0;
1749 			dw210x_op_rw(dev, 0xbf, 0x0040, 0, &reset, 0,
1750 					DW210X_WRITE_MSG);
1751 			break;
1752 		case USB_PID_TERRATEC_CINERGY_S:
1753 		case USB_PID_DW2102:
1754 			dw210x_op_rw(dev, 0xbf, 0x0040, 0, &reset, 0,
1755 					DW210X_WRITE_MSG);
1756 			dw210x_op_rw(dev, 0xb9, 0x0000, 0, &reset16[0], 2,
1757 					DW210X_READ_MSG);
1758 			/* check STV0299 frontend  */
1759 			dw210x_op_rw(dev, 0xb5, 0, 0, &reset16[0], 2,
1760 					DW210X_READ_MSG);
1761 			if ((reset16[0] == 0xa1) || (reset16[0] == 0x80)) {
1762 				dw2102_properties.i2c_algo = &dw2102_i2c_algo;
1763 				dw2102_properties.adapter->fe[0].tuner_attach = &dw2102_tuner_attach;
1764 				break;
1765 			} else {
1766 				/* check STV0288 frontend  */
1767 				reset16[0] = 0xd0;
1768 				reset16[1] = 1;
1769 				reset16[2] = 0;
1770 				dw210x_op_rw(dev, 0xc2, 0, 0, &reset16[0], 3,
1771 						DW210X_WRITE_MSG);
1772 				dw210x_op_rw(dev, 0xc3, 0xd1, 0, &reset16[0], 3,
1773 						DW210X_READ_MSG);
1774 				if (reset16[2] == 0x11) {
1775 					dw2102_properties.i2c_algo = &dw2102_earda_i2c_algo;
1776 					break;
1777 				}
1778 			}
1779 		case 0x2101:
1780 			dw210x_op_rw(dev, 0xbc, 0x0030, 0, &reset16[0], 2,
1781 					DW210X_READ_MSG);
1782 			dw210x_op_rw(dev, 0xba, 0x0000, 0, &reset16[0], 7,
1783 					DW210X_READ_MSG);
1784 			dw210x_op_rw(dev, 0xba, 0x0000, 0, &reset16[0], 7,
1785 					DW210X_READ_MSG);
1786 			dw210x_op_rw(dev, 0xb9, 0x0000, 0, &reset16[0], 2,
1787 					DW210X_READ_MSG);
1788 			break;
1789 		}
1790 
1791 		msleep(100);
1792 		kfree(p);
1793 	}
1794 
1795 	if (le16_to_cpu(dev->descriptor.idProduct) == 0x2101)
1796 		release_firmware(fw);
1797 	return ret;
1798 }
1799 
1800 static struct dvb_usb_device_properties dw2102_properties = {
1801 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
1802 	.usb_ctrl = DEVICE_SPECIFIC,
1803 	.firmware = DW2102_FIRMWARE,
1804 	.no_reconnect = 1,
1805 
1806 	.i2c_algo = &dw2102_serit_i2c_algo,
1807 
1808 	.rc.core = {
1809 		.rc_interval = 150,
1810 		.rc_codes = RC_MAP_DM1105_NEC,
1811 		.module_name = "dw2102",
1812 		.allowed_protos   = RC_BIT_NEC,
1813 		.rc_query = dw2102_rc_query,
1814 	},
1815 
1816 	.generic_bulk_ctrl_endpoint = 0x81,
1817 	/* parameter for the MPEG2-data transfer */
1818 	.num_adapters = 1,
1819 	.download_firmware = dw2102_load_firmware,
1820 	.read_mac_address = dw210x_read_mac_address,
1821 	.adapter = {
1822 		{
1823 		.num_frontends = 1,
1824 		.fe = {{
1825 			.frontend_attach = dw2102_frontend_attach,
1826 			.stream = {
1827 				.type = USB_BULK,
1828 				.count = 8,
1829 				.endpoint = 0x82,
1830 				.u = {
1831 					.bulk = {
1832 						.buffersize = 4096,
1833 					}
1834 				}
1835 			},
1836 		}},
1837 		}
1838 	},
1839 	.num_device_descs = 3,
1840 	.devices = {
1841 		{"DVBWorld DVB-S 2102 USB2.0",
1842 			{&dw2102_table[CYPRESS_DW2102], NULL},
1843 			{NULL},
1844 		},
1845 		{"DVBWorld DVB-S 2101 USB2.0",
1846 			{&dw2102_table[CYPRESS_DW2101], NULL},
1847 			{NULL},
1848 		},
1849 		{"TerraTec Cinergy S USB",
1850 			{&dw2102_table[TERRATEC_CINERGY_S], NULL},
1851 			{NULL},
1852 		},
1853 	}
1854 };
1855 
1856 static struct dvb_usb_device_properties dw2104_properties = {
1857 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
1858 	.usb_ctrl = DEVICE_SPECIFIC,
1859 	.firmware = DW2104_FIRMWARE,
1860 	.no_reconnect = 1,
1861 
1862 	.i2c_algo = &dw2104_i2c_algo,
1863 	.rc.core = {
1864 		.rc_interval = 150,
1865 		.rc_codes = RC_MAP_DM1105_NEC,
1866 		.module_name = "dw2102",
1867 		.allowed_protos   = RC_BIT_NEC,
1868 		.rc_query = dw2102_rc_query,
1869 	},
1870 
1871 	.generic_bulk_ctrl_endpoint = 0x81,
1872 	/* parameter for the MPEG2-data transfer */
1873 	.num_adapters = 1,
1874 	.download_firmware = dw2102_load_firmware,
1875 	.read_mac_address = dw210x_read_mac_address,
1876 	.adapter = {
1877 		{
1878 		.num_frontends = 1,
1879 		.fe = {{
1880 			.frontend_attach = dw2104_frontend_attach,
1881 			.stream = {
1882 				.type = USB_BULK,
1883 				.count = 8,
1884 				.endpoint = 0x82,
1885 				.u = {
1886 					.bulk = {
1887 						.buffersize = 4096,
1888 					}
1889 				}
1890 			},
1891 		}},
1892 		}
1893 	},
1894 	.num_device_descs = 2,
1895 	.devices = {
1896 		{ "DVBWorld DW2104 USB2.0",
1897 			{&dw2102_table[CYPRESS_DW2104], NULL},
1898 			{NULL},
1899 		},
1900 		{ "TeVii S650 USB2.0",
1901 			{&dw2102_table[TEVII_S650], NULL},
1902 			{NULL},
1903 		},
1904 	}
1905 };
1906 
1907 static struct dvb_usb_device_properties dw3101_properties = {
1908 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
1909 	.usb_ctrl = DEVICE_SPECIFIC,
1910 	.firmware = DW3101_FIRMWARE,
1911 	.no_reconnect = 1,
1912 
1913 	.i2c_algo = &dw3101_i2c_algo,
1914 	.rc.core = {
1915 		.rc_interval = 150,
1916 		.rc_codes = RC_MAP_DM1105_NEC,
1917 		.module_name = "dw2102",
1918 		.allowed_protos   = RC_BIT_NEC,
1919 		.rc_query = dw2102_rc_query,
1920 	},
1921 
1922 	.generic_bulk_ctrl_endpoint = 0x81,
1923 	/* parameter for the MPEG2-data transfer */
1924 	.num_adapters = 1,
1925 	.download_firmware = dw2102_load_firmware,
1926 	.read_mac_address = dw210x_read_mac_address,
1927 	.adapter = {
1928 		{
1929 		.num_frontends = 1,
1930 		.fe = {{
1931 			.frontend_attach = dw3101_frontend_attach,
1932 			.tuner_attach = dw3101_tuner_attach,
1933 			.stream = {
1934 				.type = USB_BULK,
1935 				.count = 8,
1936 				.endpoint = 0x82,
1937 				.u = {
1938 					.bulk = {
1939 						.buffersize = 4096,
1940 					}
1941 				}
1942 			},
1943 		}},
1944 		}
1945 	},
1946 	.num_device_descs = 1,
1947 	.devices = {
1948 		{ "DVBWorld DVB-C 3101 USB2.0",
1949 			{&dw2102_table[CYPRESS_DW3101], NULL},
1950 			{NULL},
1951 		},
1952 	}
1953 };
1954 
1955 static struct dvb_usb_device_properties s6x0_properties = {
1956 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
1957 	.usb_ctrl = DEVICE_SPECIFIC,
1958 	.size_of_priv = sizeof(struct dw2102_state),
1959 	.firmware = S630_FIRMWARE,
1960 	.no_reconnect = 1,
1961 
1962 	.i2c_algo = &s6x0_i2c_algo,
1963 	.rc.core = {
1964 		.rc_interval = 150,
1965 		.rc_codes = RC_MAP_TEVII_NEC,
1966 		.module_name = "dw2102",
1967 		.allowed_protos   = RC_BIT_NEC,
1968 		.rc_query = dw2102_rc_query,
1969 	},
1970 
1971 	.generic_bulk_ctrl_endpoint = 0x81,
1972 	.num_adapters = 1,
1973 	.download_firmware = dw2102_load_firmware,
1974 	.read_mac_address = s6x0_read_mac_address,
1975 	.adapter = {
1976 		{
1977 		.num_frontends = 1,
1978 		.fe = {{
1979 			.frontend_attach = zl100313_frontend_attach,
1980 			.stream = {
1981 				.type = USB_BULK,
1982 				.count = 8,
1983 				.endpoint = 0x82,
1984 				.u = {
1985 					.bulk = {
1986 						.buffersize = 4096,
1987 					}
1988 				}
1989 			},
1990 		}},
1991 		}
1992 	},
1993 	.num_device_descs = 1,
1994 	.devices = {
1995 		{"TeVii S630 USB",
1996 			{&dw2102_table[TEVII_S630], NULL},
1997 			{NULL},
1998 		},
1999 	}
2000 };
2001 
2002 static struct dvb_usb_device_properties *p1100;
2003 static struct dvb_usb_device_description d1100 = {
2004 	"Prof 1100 USB ",
2005 	{&dw2102_table[PROF_1100], NULL},
2006 	{NULL},
2007 };
2008 
2009 static struct dvb_usb_device_properties *s660;
2010 static struct dvb_usb_device_description d660 = {
2011 	"TeVii S660 USB",
2012 	{&dw2102_table[TEVII_S660], NULL},
2013 	{NULL},
2014 };
2015 
2016 static struct dvb_usb_device_description d480_1 = {
2017 	"TeVii S480.1 USB",
2018 	{&dw2102_table[TEVII_S480_1], NULL},
2019 	{NULL},
2020 };
2021 
2022 static struct dvb_usb_device_description d480_2 = {
2023 	"TeVii S480.2 USB",
2024 	{&dw2102_table[TEVII_S480_2], NULL},
2025 	{NULL},
2026 };
2027 
2028 static struct dvb_usb_device_properties *p7500;
2029 static struct dvb_usb_device_description d7500 = {
2030 	"Prof 7500 USB DVB-S2",
2031 	{&dw2102_table[PROF_7500], NULL},
2032 	{NULL},
2033 };
2034 
2035 static struct dvb_usb_device_properties *s421;
2036 static struct dvb_usb_device_description d421 = {
2037 	"TeVii S421 PCI",
2038 	{&dw2102_table[TEVII_S421], NULL},
2039 	{NULL},
2040 };
2041 
2042 static struct dvb_usb_device_description d632 = {
2043 	"TeVii S632 USB",
2044 	{&dw2102_table[TEVII_S632], NULL},
2045 	{NULL},
2046 };
2047 
2048 static struct dvb_usb_device_properties su3000_properties = {
2049 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
2050 	.usb_ctrl = DEVICE_SPECIFIC,
2051 	.size_of_priv = sizeof(struct dw2102_state),
2052 	.power_ctrl = su3000_power_ctrl,
2053 	.num_adapters = 1,
2054 	.identify_state	= su3000_identify_state,
2055 	.i2c_algo = &su3000_i2c_algo,
2056 
2057 	.rc.core = {
2058 		.rc_interval = 150,
2059 		.rc_codes = RC_MAP_SU3000,
2060 		.module_name = "dw2102",
2061 		.allowed_protos   = RC_BIT_RC5,
2062 		.rc_query = su3000_rc_query,
2063 	},
2064 
2065 	.read_mac_address = su3000_read_mac_address,
2066 
2067 	.generic_bulk_ctrl_endpoint = 0x01,
2068 
2069 	.adapter = {
2070 		{
2071 		.num_frontends = 1,
2072 		.fe = {{
2073 			.streaming_ctrl   = su3000_streaming_ctrl,
2074 			.frontend_attach  = su3000_frontend_attach,
2075 			.stream = {
2076 				.type = USB_BULK,
2077 				.count = 8,
2078 				.endpoint = 0x82,
2079 				.u = {
2080 					.bulk = {
2081 						.buffersize = 4096,
2082 					}
2083 				}
2084 			}
2085 		}},
2086 		}
2087 	},
2088 	.num_device_descs = 6,
2089 	.devices = {
2090 		{ "SU3000HD DVB-S USB2.0",
2091 			{ &dw2102_table[GENIATECH_SU3000], NULL },
2092 			{ NULL },
2093 		},
2094 		{ "Terratec Cinergy S2 USB HD",
2095 			{ &dw2102_table[TERRATEC_CINERGY_S2], NULL },
2096 			{ NULL },
2097 		},
2098 		{ "X3M TV SPC1400HD PCI",
2099 			{ &dw2102_table[X3M_SPC1400HD], NULL },
2100 			{ NULL },
2101 		},
2102 		{ "Terratec Cinergy S2 USB HD Rev.2",
2103 			{ &dw2102_table[TERRATEC_CINERGY_S2_R2], NULL },
2104 			{ NULL },
2105 		},
2106 		{ "Terratec Cinergy S2 USB HD Rev.3",
2107 			{ &dw2102_table[TERRATEC_CINERGY_S2_R3], NULL },
2108 			{ NULL },
2109 		},
2110 		{ "GOTVIEW Satellite HD",
2111 			{ &dw2102_table[GOTVIEW_SAT_HD], NULL },
2112 			{ NULL },
2113 		},
2114 	}
2115 };
2116 
2117 static struct dvb_usb_device_properties t220_properties = {
2118 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
2119 	.usb_ctrl = DEVICE_SPECIFIC,
2120 	.size_of_priv = sizeof(struct dw2102_state),
2121 	.power_ctrl = su3000_power_ctrl,
2122 	.num_adapters = 1,
2123 	.identify_state	= su3000_identify_state,
2124 	.i2c_algo = &su3000_i2c_algo,
2125 
2126 	.rc.core = {
2127 		.rc_interval = 150,
2128 		.rc_codes = RC_MAP_SU3000,
2129 		.module_name = "dw2102",
2130 		.allowed_protos   = RC_BIT_RC5,
2131 		.rc_query = su3000_rc_query,
2132 	},
2133 
2134 	.read_mac_address = su3000_read_mac_address,
2135 
2136 	.generic_bulk_ctrl_endpoint = 0x01,
2137 
2138 	.adapter = {
2139 		{
2140 		.num_frontends = 1,
2141 		.fe = { {
2142 			.streaming_ctrl   = su3000_streaming_ctrl,
2143 			.frontend_attach  = t220_frontend_attach,
2144 			.stream = {
2145 				.type = USB_BULK,
2146 				.count = 8,
2147 				.endpoint = 0x82,
2148 				.u = {
2149 					.bulk = {
2150 						.buffersize = 4096,
2151 					}
2152 				}
2153 			}
2154 		} },
2155 		}
2156 	},
2157 	.num_device_descs = 1,
2158 	.devices = {
2159 		{ "Geniatech T220 DVB-T/T2 USB2.0",
2160 			{ &dw2102_table[GENIATECH_T220], NULL },
2161 			{ NULL },
2162 		},
2163 	}
2164 };
2165 
2166 static struct dvb_usb_device_properties tt_s2_4600_properties = {
2167 	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
2168 	.usb_ctrl = DEVICE_SPECIFIC,
2169 	.size_of_priv = sizeof(struct dw2102_state),
2170 	.power_ctrl = su3000_power_ctrl,
2171 	.num_adapters = 1,
2172 	.identify_state	= su3000_identify_state,
2173 	.i2c_algo = &su3000_i2c_algo,
2174 
2175 	.rc.core = {
2176 		.rc_interval = 250,
2177 		.rc_codes = RC_MAP_TT_1500,
2178 		.module_name = "dw2102",
2179 		.allowed_protos   = RC_BIT_RC5,
2180 		.rc_query = su3000_rc_query,
2181 	},
2182 
2183 	.read_mac_address = su3000_read_mac_address,
2184 
2185 	.generic_bulk_ctrl_endpoint = 0x01,
2186 
2187 	.adapter = {
2188 		{
2189 		.num_frontends = 1,
2190 		.fe = {{
2191 			.streaming_ctrl   = su3000_streaming_ctrl,
2192 			.frontend_attach  = tt_s2_4600_frontend_attach,
2193 			.stream = {
2194 				.type = USB_BULK,
2195 				.count = 8,
2196 				.endpoint = 0x82,
2197 				.u = {
2198 					.bulk = {
2199 						.buffersize = 4096,
2200 					}
2201 				}
2202 			}
2203 		} },
2204 		}
2205 	},
2206 	.num_device_descs = 5,
2207 	.devices = {
2208 		{ "TechnoTrend TT-connect S2-4600",
2209 			{ &dw2102_table[TECHNOTREND_S2_4600], NULL },
2210 			{ NULL },
2211 		},
2212 		{ "TeVii S482 (tuner 1)",
2213 			{ &dw2102_table[TEVII_S482_1], NULL },
2214 			{ NULL },
2215 		},
2216 		{ "TeVii S482 (tuner 2)",
2217 			{ &dw2102_table[TEVII_S482_2], NULL },
2218 			{ NULL },
2219 		},
2220 		{ "Terratec Cinergy S2 USB BOX",
2221 			{ &dw2102_table[TERRATEC_CINERGY_S2_BOX], NULL },
2222 			{ NULL },
2223 		},
2224 		{ "TeVii S662",
2225 			{ &dw2102_table[TEVII_S662], NULL },
2226 			{ NULL },
2227 		},
2228 	}
2229 };
2230 
2231 static int dw2102_probe(struct usb_interface *intf,
2232 		const struct usb_device_id *id)
2233 {
2234 	p1100 = kmemdup(&s6x0_properties,
2235 			sizeof(struct dvb_usb_device_properties), GFP_KERNEL);
2236 	if (!p1100)
2237 		return -ENOMEM;
2238 	/* copy default structure */
2239 	/* fill only different fields */
2240 	p1100->firmware = P1100_FIRMWARE;
2241 	p1100->devices[0] = d1100;
2242 	p1100->rc.core.rc_query = prof_rc_query;
2243 	p1100->rc.core.rc_codes = RC_MAP_TBS_NEC;
2244 	p1100->adapter->fe[0].frontend_attach = stv0288_frontend_attach;
2245 
2246 	s660 = kmemdup(&s6x0_properties,
2247 		       sizeof(struct dvb_usb_device_properties), GFP_KERNEL);
2248 	if (!s660) {
2249 		kfree(p1100);
2250 		return -ENOMEM;
2251 	}
2252 	s660->firmware = S660_FIRMWARE;
2253 	s660->num_device_descs = 3;
2254 	s660->devices[0] = d660;
2255 	s660->devices[1] = d480_1;
2256 	s660->devices[2] = d480_2;
2257 	s660->adapter->fe[0].frontend_attach = ds3000_frontend_attach;
2258 
2259 	p7500 = kmemdup(&s6x0_properties,
2260 			sizeof(struct dvb_usb_device_properties), GFP_KERNEL);
2261 	if (!p7500) {
2262 		kfree(p1100);
2263 		kfree(s660);
2264 		return -ENOMEM;
2265 	}
2266 	p7500->firmware = P7500_FIRMWARE;
2267 	p7500->devices[0] = d7500;
2268 	p7500->rc.core.rc_query = prof_rc_query;
2269 	p7500->rc.core.rc_codes = RC_MAP_TBS_NEC;
2270 	p7500->adapter->fe[0].frontend_attach = prof_7500_frontend_attach;
2271 
2272 
2273 	s421 = kmemdup(&su3000_properties,
2274 		       sizeof(struct dvb_usb_device_properties), GFP_KERNEL);
2275 	if (!s421) {
2276 		kfree(p1100);
2277 		kfree(s660);
2278 		kfree(p7500);
2279 		return -ENOMEM;
2280 	}
2281 	s421->num_device_descs = 2;
2282 	s421->devices[0] = d421;
2283 	s421->devices[1] = d632;
2284 	s421->adapter->fe[0].frontend_attach = m88rs2000_frontend_attach;
2285 
2286 	if (0 == dvb_usb_device_init(intf, &dw2102_properties,
2287 			THIS_MODULE, NULL, adapter_nr) ||
2288 	    0 == dvb_usb_device_init(intf, &dw2104_properties,
2289 			THIS_MODULE, NULL, adapter_nr) ||
2290 	    0 == dvb_usb_device_init(intf, &dw3101_properties,
2291 			THIS_MODULE, NULL, adapter_nr) ||
2292 	    0 == dvb_usb_device_init(intf, &s6x0_properties,
2293 			THIS_MODULE, NULL, adapter_nr) ||
2294 	    0 == dvb_usb_device_init(intf, p1100,
2295 			THIS_MODULE, NULL, adapter_nr) ||
2296 	    0 == dvb_usb_device_init(intf, s660,
2297 			THIS_MODULE, NULL, adapter_nr) ||
2298 	    0 == dvb_usb_device_init(intf, p7500,
2299 			THIS_MODULE, NULL, adapter_nr) ||
2300 	    0 == dvb_usb_device_init(intf, s421,
2301 			THIS_MODULE, NULL, adapter_nr) ||
2302 	    0 == dvb_usb_device_init(intf, &su3000_properties,
2303 			 THIS_MODULE, NULL, adapter_nr) ||
2304 	    0 == dvb_usb_device_init(intf, &t220_properties,
2305 			 THIS_MODULE, NULL, adapter_nr) ||
2306 	    0 == dvb_usb_device_init(intf, &tt_s2_4600_properties,
2307 			 THIS_MODULE, NULL, adapter_nr))
2308 		return 0;
2309 
2310 	return -ENODEV;
2311 }
2312 
2313 static void dw2102_disconnect(struct usb_interface *intf)
2314 {
2315 	struct dvb_usb_device *d = usb_get_intfdata(intf);
2316 	struct dw2102_state *st = (struct dw2102_state *)d->priv;
2317 	struct i2c_client *client;
2318 
2319 	/* remove I2C client for tuner */
2320 	client = st->i2c_client_tuner;
2321 	if (client) {
2322 		module_put(client->dev.driver->owner);
2323 		i2c_unregister_device(client);
2324 	}
2325 
2326 	/* remove I2C client for demodulator */
2327 	client = st->i2c_client_demod;
2328 	if (client) {
2329 		module_put(client->dev.driver->owner);
2330 		i2c_unregister_device(client);
2331 	}
2332 
2333 	dvb_usb_device_exit(intf);
2334 }
2335 
2336 static struct usb_driver dw2102_driver = {
2337 	.name = "dw2102",
2338 	.probe = dw2102_probe,
2339 	.disconnect = dw2102_disconnect,
2340 	.id_table = dw2102_table,
2341 };
2342 
2343 module_usb_driver(dw2102_driver);
2344 
2345 MODULE_AUTHOR("Igor M. Liplianin (c) liplianin@me.by");
2346 MODULE_DESCRIPTION("Driver for DVBWorld DVB-S 2101, 2102, DVB-S2 2104,"
2347 			" DVB-C 3101 USB2.0,"
2348 			" TeVii S421, S480, S482, S600, S630, S632, S650,"
2349 			" TeVii S660, S662, Prof 1100, 7500 USB2.0,"
2350 			" Geniatech SU3000, T220,"
2351 			" TechnoTrend S2-4600, Terratec Cinergy S2 devices");
2352 MODULE_VERSION("0.1");
2353 MODULE_LICENSE("GPL");
2354 MODULE_FIRMWARE(DW2101_FIRMWARE);
2355 MODULE_FIRMWARE(DW2102_FIRMWARE);
2356 MODULE_FIRMWARE(DW2104_FIRMWARE);
2357 MODULE_FIRMWARE(DW3101_FIRMWARE);
2358 MODULE_FIRMWARE(S630_FIRMWARE);
2359 MODULE_FIRMWARE(S660_FIRMWARE);
2360 MODULE_FIRMWARE(P1100_FIRMWARE);
2361 MODULE_FIRMWARE(P7500_FIRMWARE);
2362