1 /* DVB USB compliant linux driver for
2  *
3  * DM04/QQBOX DVB-S USB BOX	LME2510C + SHARP:BS2F7HZ7395
4  *				LME2510C + LG TDQY-P001F
5  *				LME2510C + BS2F7HZ0194
6  *				LME2510 + LG TDQY-P001F
7  *				LME2510 + BS2F7HZ0194
8  *
9  * MVB7395 (LME2510C+SHARP:BS2F7HZ7395)
10  * SHARP:BS2F7HZ7395 = (STV0288+Sharp IX2505V)
11  *
12  * MV001F (LME2510+LGTDQY-P001F)
13  * LG TDQY - P001F =(TDA8263 + TDA10086H)
14  *
15  * MVB0001F (LME2510C+LGTDQT-P001F)
16  *
17  * MV0194 (LME2510+SHARP:BS2F7HZ0194)
18  * SHARP:BS2F7HZ0194 = (STV0299+IX2410)
19  *
20  * MVB0194 (LME2510C+SHARP0194)
21  *
22  * LME2510C + M88RS2000
23  *
24  * For firmware see Documentation/media/dvb-drivers/lmedm04.rst
25  *
26  * I2C addresses:
27  * 0xd0 - STV0288	- Demodulator
28  * 0xc0 - Sharp IX2505V	- Tuner
29  * --
30  * 0x1c - TDA10086   - Demodulator
31  * 0xc0 - TDA8263    - Tuner
32  * --
33  * 0xd0 - STV0299	- Demodulator
34  * 0xc0 - IX2410	- Tuner
35  *
36  *
37  * VID = 3344  PID LME2510=1122 LME2510C=1120
38  *
39  * Copyright (C) 2010 Malcolm Priestley (tvboxspy@gmail.com)
40  * LME2510(C)(C) Leaguerme (Shenzhen) MicroElectronics Co., Ltd.
41  *
42  * This program is free software; you can redistribute it and/or modify
43  * it under the terms of the GNU General Public License Version 2, as
44  * published by the Free Software Foundation.
45  *
46  * This program is distributed in the hope that it will be useful,
47  * but WITHOUT ANY WARRANTY; without even the implied warranty of
48  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
49  * GNU General Public License for more details.
50  *
51  *
52  * see Documentation/media/dvb-drivers/dvb-usb.rst for more information
53  *
54  * Known Issues :
55  *	LME2510: Non Intel USB chipsets fail to maintain High Speed on
56  * Boot or Hot Plug.
57  *
58  * QQbox suffers from noise on LNB voltage.
59  *
60  *	LME2510: SHARP:BS2F7HZ0194(MV0194) cannot cold reset and share system
61  * with other tuners. After a cold reset streaming will not start.
62  *
63  * M88RS2000 suffers from loss of lock.
64  */
65 #define DVB_USB_LOG_PREFIX "LME2510(C)"
66 #include <linux/usb.h>
67 #include <linux/usb/input.h>
68 #include <media/rc-core.h>
69 
70 #include "dvb_usb.h"
71 #include "lmedm04.h"
72 #include "tda826x.h"
73 #include "tda10086.h"
74 #include "stv0288.h"
75 #include "ix2505v.h"
76 #include "stv0299.h"
77 #include "dvb-pll.h"
78 #include "z0194a.h"
79 #include "m88rs2000.h"
80 #include "ts2020.h"
81 
82 
83 #define LME2510_C_S7395	"dvb-usb-lme2510c-s7395.fw";
84 #define LME2510_C_LG	"dvb-usb-lme2510c-lg.fw";
85 #define LME2510_C_S0194	"dvb-usb-lme2510c-s0194.fw";
86 #define LME2510_C_RS2000 "dvb-usb-lme2510c-rs2000.fw";
87 #define LME2510_LG	"dvb-usb-lme2510-lg.fw";
88 #define LME2510_S0194	"dvb-usb-lme2510-s0194.fw";
89 
90 /* debug */
91 static int dvb_usb_lme2510_debug;
92 #define lme_debug(var, level, args...) do { \
93 	if ((var >= level)) \
94 		pr_debug(DVB_USB_LOG_PREFIX": " args); \
95 } while (0)
96 #define deb_info(level, args...) lme_debug(dvb_usb_lme2510_debug, level, args)
97 #define debug_data_snipet(level, name, p) \
98 	 deb_info(level, name" (%8phN)", p);
99 #define info(args...) pr_info(DVB_USB_LOG_PREFIX": "args)
100 
101 module_param_named(debug, dvb_usb_lme2510_debug, int, 0644);
102 MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able)).");
103 
104 static int dvb_usb_lme2510_firmware;
105 module_param_named(firmware, dvb_usb_lme2510_firmware, int, 0644);
106 MODULE_PARM_DESC(firmware, "set default firmware 0=Sharp7395 1=LG");
107 
108 static int pid_filter;
109 module_param_named(pid, pid_filter, int, 0644);
110 MODULE_PARM_DESC(pid, "set default 0=default 1=off 2=on");
111 
112 
113 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
114 
115 #define TUNER_DEFAULT	0x0
116 #define TUNER_LG	0x1
117 #define TUNER_S7395	0x2
118 #define TUNER_S0194	0x3
119 #define TUNER_RS2000	0x4
120 
121 struct lme2510_state {
122 	unsigned long int_urb_due;
123 	enum fe_status lock_status;
124 	u8 id;
125 	u8 tuner_config;
126 	u8 signal_level;
127 	u8 signal_sn;
128 	u8 time_key;
129 	u8 i2c_talk_onoff;
130 	u8 i2c_gate;
131 	u8 i2c_tuner_gate_w;
132 	u8 i2c_tuner_gate_r;
133 	u8 i2c_tuner_addr;
134 	u8 stream_on;
135 	u8 pid_size;
136 	u8 pid_off;
137 	void *buffer;
138 	struct urb *lme_urb;
139 	void *usb_buffer;
140 	/* Frontend original calls */
141 	int (*fe_read_status)(struct dvb_frontend *, enum fe_status *);
142 	int (*fe_read_signal_strength)(struct dvb_frontend *, u16 *);
143 	int (*fe_read_snr)(struct dvb_frontend *, u16 *);
144 	int (*fe_read_ber)(struct dvb_frontend *, u32 *);
145 	int (*fe_read_ucblocks)(struct dvb_frontend *, u32 *);
146 	int (*fe_set_voltage)(struct dvb_frontend *, enum fe_sec_voltage);
147 	u8 dvb_usb_lme2510_firmware;
148 };
149 
lme2510_bulk_write(struct usb_device * dev,u8 * snd,int len,u8 pipe)150 static int lme2510_bulk_write(struct usb_device *dev,
151 				u8 *snd, int len, u8 pipe)
152 {
153 	int actual_l;
154 
155 	return usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
156 			    snd, len, &actual_l, 100);
157 }
158 
lme2510_bulk_read(struct usb_device * dev,u8 * rev,int len,u8 pipe)159 static int lme2510_bulk_read(struct usb_device *dev,
160 				u8 *rev, int len, u8 pipe)
161 {
162 	int actual_l;
163 
164 	return usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
165 			    rev, len, &actual_l, 200);
166 }
167 
lme2510_usb_talk(struct dvb_usb_device * d,u8 * wbuf,int wlen,u8 * rbuf,int rlen)168 static int lme2510_usb_talk(struct dvb_usb_device *d,
169 		u8 *wbuf, int wlen, u8 *rbuf, int rlen)
170 {
171 	struct lme2510_state *st = d->priv;
172 	u8 *buff;
173 	int ret = 0;
174 
175 	if (st->usb_buffer == NULL) {
176 		st->usb_buffer = kmalloc(64, GFP_KERNEL);
177 		if (st->usb_buffer == NULL) {
178 			info("MEM Error no memory");
179 			return -ENOMEM;
180 		}
181 	}
182 	buff = st->usb_buffer;
183 
184 	ret = mutex_lock_interruptible(&d->usb_mutex);
185 
186 	if (ret < 0)
187 		return -EAGAIN;
188 
189 	/* the read/write capped at 64 */
190 	memcpy(buff, wbuf, (wlen < 64) ? wlen : 64);
191 
192 	ret |= lme2510_bulk_write(d->udev, buff, wlen , 0x01);
193 
194 	ret |= lme2510_bulk_read(d->udev, buff, (rlen < 64) ?
195 			rlen : 64 , 0x01);
196 
197 	if (rlen > 0)
198 		memcpy(rbuf, buff, rlen);
199 
200 	mutex_unlock(&d->usb_mutex);
201 
202 	return (ret < 0) ? -ENODEV : 0;
203 }
204 
lme2510_stream_restart(struct dvb_usb_device * d)205 static int lme2510_stream_restart(struct dvb_usb_device *d)
206 {
207 	struct lme2510_state *st = d->priv;
208 	u8 all_pids[] = LME_ALL_PIDS;
209 	u8 stream_on[] = LME_ST_ON_W;
210 	u8 rbuff[1];
211 	if (st->pid_off)
212 		lme2510_usb_talk(d, all_pids, sizeof(all_pids),
213 				 rbuff, sizeof(rbuff));
214 	/*Restart Stream Command*/
215 	return lme2510_usb_talk(d, stream_on, sizeof(stream_on),
216 				rbuff, sizeof(rbuff));
217 }
218 
lme2510_enable_pid(struct dvb_usb_device * d,u8 index,u16 pid_out)219 static int lme2510_enable_pid(struct dvb_usb_device *d, u8 index, u16 pid_out)
220 {
221 	struct lme2510_state *st = d->priv;
222 	static u8 pid_buff[] = LME_ZERO_PID;
223 	static u8 rbuf[1];
224 	u8 pid_no = index * 2;
225 	u8 pid_len = pid_no + 2;
226 	int ret = 0;
227 	deb_info(1, "PID Setting Pid %04x", pid_out);
228 
229 	if (st->pid_size == 0)
230 		ret |= lme2510_stream_restart(d);
231 
232 	pid_buff[2] = pid_no;
233 	pid_buff[3] = (u8)pid_out & 0xff;
234 	pid_buff[4] = pid_no + 1;
235 	pid_buff[5] = (u8)(pid_out >> 8);
236 
237 	if (pid_len > st->pid_size)
238 		st->pid_size = pid_len;
239 	pid_buff[7] = 0x80 + st->pid_size;
240 
241 	ret |= lme2510_usb_talk(d, pid_buff ,
242 		sizeof(pid_buff) , rbuf, sizeof(rbuf));
243 
244 	if (st->stream_on)
245 		ret |= lme2510_stream_restart(d);
246 
247 	return ret;
248 }
249 
250 /* Convert range from 0x00-0xff to 0x0000-0xffff */
251 #define reg_to_16bits(x)	((x) | ((x) << 8))
252 
lme2510_update_stats(struct dvb_usb_adapter * adap)253 static void lme2510_update_stats(struct dvb_usb_adapter *adap)
254 {
255 	struct lme2510_state *st = adap_to_priv(adap);
256 	struct dvb_frontend *fe = adap->fe[0];
257 	struct dtv_frontend_properties *c;
258 	u32 s_tmp = 0, c_tmp = 0;
259 
260 	if (!fe)
261 		return;
262 
263 	c = &fe->dtv_property_cache;
264 
265 	c->block_count.len = 1;
266 	c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
267 	c->block_error.len = 1;
268 	c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
269 	c->post_bit_count.len = 1;
270 	c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
271 	c->post_bit_error.len = 1;
272 	c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
273 
274 	if (st->i2c_talk_onoff) {
275 		c->strength.len = 1;
276 		c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
277 		c->cnr.len = 1;
278 		c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
279 		return;
280 	}
281 
282 	switch (st->tuner_config) {
283 	case TUNER_LG:
284 		s_tmp = reg_to_16bits(0xff - st->signal_level);
285 		c_tmp = reg_to_16bits(0xff - st->signal_sn);
286 		break;
287 	case TUNER_S7395:
288 	case TUNER_S0194:
289 		s_tmp = 0xffff - (((st->signal_level * 2) << 8) * 5 / 4);
290 		c_tmp = reg_to_16bits((0xff - st->signal_sn - 0xa1) * 3);
291 		break;
292 	case TUNER_RS2000:
293 		s_tmp = reg_to_16bits(st->signal_level);
294 		c_tmp = reg_to_16bits(st->signal_sn);
295 	}
296 
297 	c->strength.len = 1;
298 	c->strength.stat[0].scale = FE_SCALE_RELATIVE;
299 	c->strength.stat[0].uvalue = (u64)s_tmp;
300 
301 	c->cnr.len = 1;
302 	c->cnr.stat[0].scale = FE_SCALE_RELATIVE;
303 	c->cnr.stat[0].uvalue = (u64)c_tmp;
304 }
305 
lme2510_int_response(struct urb * lme_urb)306 static void lme2510_int_response(struct urb *lme_urb)
307 {
308 	struct dvb_usb_adapter *adap = lme_urb->context;
309 	struct lme2510_state *st = adap_to_priv(adap);
310 	u8 *ibuf, *rbuf;
311 	int i = 0, offset;
312 	u32 key;
313 	u8 signal_lock = 0;
314 
315 	switch (lme_urb->status) {
316 	case 0:
317 	case -ETIMEDOUT:
318 		break;
319 	case -ECONNRESET:
320 	case -ENOENT:
321 	case -ESHUTDOWN:
322 		return;
323 	default:
324 		info("Error %x", lme_urb->status);
325 		break;
326 	}
327 
328 	rbuf = (u8 *) lme_urb->transfer_buffer;
329 
330 	offset = ((lme_urb->actual_length/8) > 4)
331 			? 4 : (lme_urb->actual_length/8) ;
332 
333 	for (i = 0; i < offset; ++i) {
334 		ibuf = (u8 *)&rbuf[i*8];
335 		deb_info(5, "INT O/S C =%02x C/O=%02x Type =%02x%02x",
336 		offset, i, ibuf[0], ibuf[1]);
337 
338 		switch (ibuf[0]) {
339 		case 0xaa:
340 			debug_data_snipet(1, "INT Remote data snipet", ibuf);
341 			if (!adap_to_d(adap)->rc_dev)
342 				break;
343 
344 			key = RC_SCANCODE_NEC32(ibuf[2] << 24 |
345 						ibuf[3] << 16 |
346 						ibuf[4] << 8  |
347 						ibuf[5]);
348 
349 			deb_info(1, "INT Key = 0x%08x", key);
350 			rc_keydown(adap_to_d(adap)->rc_dev, RC_PROTO_NEC32, key,
351 				   0);
352 			break;
353 		case 0xbb:
354 			switch (st->tuner_config) {
355 			case TUNER_LG:
356 				signal_lock = ibuf[2] & BIT(5);
357 				st->signal_level = ibuf[4];
358 				st->signal_sn = ibuf[3];
359 				st->time_key = ibuf[7];
360 				break;
361 			case TUNER_S7395:
362 			case TUNER_S0194:
363 				/* Tweak for earlier firmware*/
364 				if (ibuf[1] == 0x03) {
365 					signal_lock = ibuf[2] & BIT(4);
366 					st->signal_level = ibuf[3];
367 					st->signal_sn = ibuf[4];
368 				} else {
369 					st->signal_level = ibuf[4];
370 					st->signal_sn = ibuf[5];
371 				}
372 				break;
373 			case TUNER_RS2000:
374 				signal_lock = ibuf[2] & 0xee;
375 				st->signal_level = ibuf[5];
376 				st->signal_sn = ibuf[4];
377 				st->time_key = ibuf[7];
378 			default:
379 				break;
380 			}
381 
382 			/* Interrupt will also throw just BIT 0 as lock */
383 			signal_lock |= ibuf[2] & BIT(0);
384 
385 			if (!signal_lock)
386 				st->lock_status &= ~FE_HAS_LOCK;
387 
388 			lme2510_update_stats(adap);
389 
390 			debug_data_snipet(5, "INT Remote data snipet in", ibuf);
391 		break;
392 		case 0xcc:
393 			debug_data_snipet(1, "INT Control data snipet", ibuf);
394 			break;
395 		default:
396 			debug_data_snipet(1, "INT Unknown data snipet", ibuf);
397 		break;
398 		}
399 	}
400 
401 	usb_submit_urb(lme_urb, GFP_ATOMIC);
402 
403 	/* Interrupt urb is due every 48 msecs while streaming the buffer
404 	 * stores up to 4 periods if missed. Allow 200 msec for next interrupt.
405 	 */
406 	st->int_urb_due = jiffies + msecs_to_jiffies(200);
407 }
408 
lme2510_int_read(struct dvb_usb_adapter * adap)409 static int lme2510_int_read(struct dvb_usb_adapter *adap)
410 {
411 	struct dvb_usb_device *d = adap_to_d(adap);
412 	struct lme2510_state *lme_int = adap_to_priv(adap);
413 	struct usb_host_endpoint *ep;
414 
415 	lme_int->lme_urb = usb_alloc_urb(0, GFP_ATOMIC);
416 
417 	if (lme_int->lme_urb == NULL)
418 			return -ENOMEM;
419 
420 	lme_int->buffer = usb_alloc_coherent(d->udev, 128, GFP_ATOMIC,
421 					&lme_int->lme_urb->transfer_dma);
422 
423 	if (lme_int->buffer == NULL)
424 			return -ENOMEM;
425 
426 	usb_fill_int_urb(lme_int->lme_urb,
427 				d->udev,
428 				usb_rcvintpipe(d->udev, 0xa),
429 				lme_int->buffer,
430 				128,
431 				lme2510_int_response,
432 				adap,
433 				8);
434 
435 	/* Quirk of pipe reporting PIPE_BULK but behaves as interrupt */
436 	ep = usb_pipe_endpoint(d->udev, lme_int->lme_urb->pipe);
437 
438 	if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK)
439 		lme_int->lme_urb->pipe = usb_rcvbulkpipe(d->udev, 0xa);
440 
441 	lme_int->lme_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
442 
443 	usb_submit_urb(lme_int->lme_urb, GFP_ATOMIC);
444 	info("INT Interrupt Service Started");
445 
446 	return 0;
447 }
448 
lme2510_pid_filter_ctrl(struct dvb_usb_adapter * adap,int onoff)449 static int lme2510_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
450 {
451 	struct dvb_usb_device *d = adap_to_d(adap);
452 	struct lme2510_state *st = adap_to_priv(adap);
453 	static u8 clear_pid_reg[] = LME_ALL_PIDS;
454 	static u8 rbuf[1];
455 	int ret = 0;
456 
457 	deb_info(1, "PID Clearing Filter");
458 
459 	mutex_lock(&d->i2c_mutex);
460 
461 	if (!onoff) {
462 		ret |= lme2510_usb_talk(d, clear_pid_reg,
463 			sizeof(clear_pid_reg), rbuf, sizeof(rbuf));
464 		st->pid_off = true;
465 	} else
466 		st->pid_off = false;
467 
468 	st->pid_size = 0;
469 
470 	mutex_unlock(&d->i2c_mutex);
471 
472 	return 0;
473 }
474 
lme2510_pid_filter(struct dvb_usb_adapter * adap,int index,u16 pid,int onoff)475 static int lme2510_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
476 	int onoff)
477 {
478 	struct dvb_usb_device *d = adap_to_d(adap);
479 	int ret = 0;
480 
481 	deb_info(3, "%s PID=%04x Index=%04x onoff=%02x", __func__,
482 		pid, index, onoff);
483 
484 	if (onoff) {
485 		mutex_lock(&d->i2c_mutex);
486 		ret |= lme2510_enable_pid(d, index, pid);
487 		mutex_unlock(&d->i2c_mutex);
488 	}
489 
490 
491 	return ret;
492 }
493 
494 
lme2510_return_status(struct dvb_usb_device * d)495 static int lme2510_return_status(struct dvb_usb_device *d)
496 {
497 	int ret;
498 	u8 *data;
499 
500 	data = kzalloc(6, GFP_KERNEL);
501 	if (!data)
502 		return -ENOMEM;
503 
504 	ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0),
505 			      0x06, 0x80, 0x0302, 0x00,
506 			      data, 0x6, 200);
507 	if (ret != 6)
508 		ret = -EINVAL;
509 	else
510 		ret = data[2];
511 
512 	info("Firmware Status: %6ph", data);
513 
514 	kfree(data);
515 	return ret;
516 }
517 
lme2510_msg(struct dvb_usb_device * d,u8 * wbuf,int wlen,u8 * rbuf,int rlen)518 static int lme2510_msg(struct dvb_usb_device *d,
519 		u8 *wbuf, int wlen, u8 *rbuf, int rlen)
520 {
521 	struct lme2510_state *st = d->priv;
522 
523 	st->i2c_talk_onoff = 1;
524 
525 	return lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
526 }
527 
lme2510_i2c_xfer(struct i2c_adapter * adap,struct i2c_msg msg[],int num)528 static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
529 				 int num)
530 {
531 	struct dvb_usb_device *d = i2c_get_adapdata(adap);
532 	struct lme2510_state *st = d->priv;
533 	static u8 obuf[64], ibuf[64];
534 	int i, read, read_o;
535 	u16 len;
536 	u8 gate = st->i2c_gate;
537 
538 	mutex_lock(&d->i2c_mutex);
539 
540 	if (gate == 0)
541 		gate = 5;
542 
543 	for (i = 0; i < num; i++) {
544 		read_o = msg[i].flags & I2C_M_RD;
545 		read = i + 1 < num && msg[i + 1].flags & I2C_M_RD;
546 		read |= read_o;
547 		gate = (msg[i].addr == st->i2c_tuner_addr)
548 			? (read)	? st->i2c_tuner_gate_r
549 					: st->i2c_tuner_gate_w
550 			: st->i2c_gate;
551 		obuf[0] = gate | (read << 7);
552 
553 		if (gate == 5)
554 			obuf[1] = (read) ? 2 : msg[i].len + 1;
555 		else
556 			obuf[1] = msg[i].len + read + 1;
557 
558 		obuf[2] = msg[i].addr << 1;
559 
560 		if (read) {
561 			if (read_o)
562 				len = 3;
563 			else {
564 				memcpy(&obuf[3], msg[i].buf, msg[i].len);
565 				obuf[msg[i].len+3] = msg[i+1].len;
566 				len = msg[i].len+4;
567 			}
568 		} else {
569 			memcpy(&obuf[3], msg[i].buf, msg[i].len);
570 			len = msg[i].len+3;
571 		}
572 
573 		if (lme2510_msg(d, obuf, len, ibuf, 64) < 0) {
574 			deb_info(1, "i2c transfer failed.");
575 			mutex_unlock(&d->i2c_mutex);
576 			return -EAGAIN;
577 		}
578 
579 		if (read) {
580 			if (read_o)
581 				memcpy(msg[i].buf, &ibuf[1], msg[i].len);
582 			else {
583 				memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len);
584 				i++;
585 			}
586 		}
587 	}
588 
589 	mutex_unlock(&d->i2c_mutex);
590 	return i;
591 }
592 
lme2510_i2c_func(struct i2c_adapter * adapter)593 static u32 lme2510_i2c_func(struct i2c_adapter *adapter)
594 {
595 	return I2C_FUNC_I2C;
596 }
597 
598 static struct i2c_algorithm lme2510_i2c_algo = {
599 	.master_xfer   = lme2510_i2c_xfer,
600 	.functionality = lme2510_i2c_func,
601 };
602 
lme2510_streaming_ctrl(struct dvb_frontend * fe,int onoff)603 static int lme2510_streaming_ctrl(struct dvb_frontend *fe, int onoff)
604 {
605 	struct dvb_usb_adapter *adap = fe_to_adap(fe);
606 	struct dvb_usb_device *d = adap_to_d(adap);
607 	struct lme2510_state *st = adap_to_priv(adap);
608 	static u8 clear_reg_3[] = LME_ALL_PIDS;
609 	static u8 rbuf[1];
610 	int ret = 0, rlen = sizeof(rbuf);
611 
612 	deb_info(1, "STM  (%02x)", onoff);
613 
614 	/* Streaming is started by FE_HAS_LOCK */
615 	if (onoff == 1)
616 		st->stream_on = 1;
617 	else {
618 		deb_info(1, "STM Steam Off");
619 		/* mutex is here only to avoid collision with I2C */
620 		mutex_lock(&d->i2c_mutex);
621 
622 		ret = lme2510_usb_talk(d, clear_reg_3,
623 				sizeof(clear_reg_3), rbuf, rlen);
624 		st->stream_on = 0;
625 		st->i2c_talk_onoff = 1;
626 
627 		mutex_unlock(&d->i2c_mutex);
628 	}
629 
630 	return (ret < 0) ? -ENODEV : 0;
631 }
632 
check_sum(u8 * p,u8 len)633 static u8 check_sum(u8 *p, u8 len)
634 {
635 	u8 sum = 0;
636 	while (len--)
637 		sum += *p++;
638 	return sum;
639 }
640 
lme2510_download_firmware(struct dvb_usb_device * d,const struct firmware * fw)641 static int lme2510_download_firmware(struct dvb_usb_device *d,
642 					const struct firmware *fw)
643 {
644 	int ret = 0;
645 	u8 *data;
646 	u16 j, wlen, len_in, start, end;
647 	u8 packet_size, dlen, i;
648 	u8 *fw_data;
649 
650 	packet_size = 0x31;
651 	len_in = 1;
652 
653 	data = kzalloc(128, GFP_KERNEL);
654 	if (!data) {
655 		info("FRM Could not start Firmware Download"\
656 			"(Buffer allocation failed)");
657 		return -ENOMEM;
658 	}
659 
660 	info("FRM Starting Firmware Download");
661 
662 	for (i = 1; i < 3; i++) {
663 		start = (i == 1) ? 0 : 512;
664 		end = (i == 1) ? 512 : fw->size;
665 		for (j = start; j < end; j += (packet_size+1)) {
666 			fw_data = (u8 *)(fw->data + j);
667 			if ((end - j) > packet_size) {
668 				data[0] = i;
669 				dlen = packet_size;
670 			} else {
671 				data[0] = i | 0x80;
672 				dlen = (u8)(end - j)-1;
673 			}
674 			data[1] = dlen;
675 			memcpy(&data[2], fw_data, dlen+1);
676 			wlen = (u8) dlen + 4;
677 			data[wlen-1] = check_sum(fw_data, dlen+1);
678 			deb_info(1, "Data S=%02x:E=%02x CS= %02x", data[3],
679 				data[dlen+2], data[dlen+3]);
680 			lme2510_usb_talk(d, data, wlen, data, len_in);
681 			ret |= (data[0] == 0x88) ? 0 : -1;
682 		}
683 	}
684 
685 	data[0] = 0x8a;
686 	len_in = 1;
687 	msleep(2000);
688 	lme2510_usb_talk(d, data, len_in, data, len_in);
689 	msleep(400);
690 
691 	if (ret < 0)
692 		info("FRM Firmware Download Failed (%04x)" , ret);
693 	else
694 		info("FRM Firmware Download Completed - Resetting Device");
695 
696 	kfree(data);
697 	return RECONNECTS_USB;
698 }
699 
lme_coldreset(struct dvb_usb_device * d)700 static void lme_coldreset(struct dvb_usb_device *d)
701 {
702 	u8 data[1] = {0};
703 	data[0] = 0x0a;
704 	info("FRM Firmware Cold Reset");
705 
706 	lme2510_usb_talk(d, data, sizeof(data), data, sizeof(data));
707 
708 	return;
709 }
710 
711 static const char fw_c_s7395[] = LME2510_C_S7395;
712 static const char fw_c_lg[] = LME2510_C_LG;
713 static const char fw_c_s0194[] = LME2510_C_S0194;
714 static const char fw_c_rs2000[] = LME2510_C_RS2000;
715 static const char fw_lg[] = LME2510_LG;
716 static const char fw_s0194[] = LME2510_S0194;
717 
lme_firmware_switch(struct dvb_usb_device * d,int cold)718 static const char *lme_firmware_switch(struct dvb_usb_device *d, int cold)
719 {
720 	struct lme2510_state *st = d->priv;
721 	struct usb_device *udev = d->udev;
722 	const struct firmware *fw = NULL;
723 	const char *fw_lme;
724 	int ret = 0;
725 
726 	cold = (cold > 0) ? (cold & 1) : 0;
727 
728 	switch (le16_to_cpu(udev->descriptor.idProduct)) {
729 	case 0x1122:
730 		switch (st->dvb_usb_lme2510_firmware) {
731 		default:
732 		case TUNER_S0194:
733 			fw_lme = fw_s0194;
734 			ret = request_firmware(&fw, fw_lme, &udev->dev);
735 			if (ret == 0) {
736 				st->dvb_usb_lme2510_firmware = TUNER_S0194;
737 				cold = 0;
738 				break;
739 			}
740 			/* fall through */
741 		case TUNER_LG:
742 			fw_lme = fw_lg;
743 			ret = request_firmware(&fw, fw_lme, &udev->dev);
744 			if (ret == 0) {
745 				st->dvb_usb_lme2510_firmware = TUNER_LG;
746 				break;
747 			}
748 			st->dvb_usb_lme2510_firmware = TUNER_DEFAULT;
749 			break;
750 		}
751 		break;
752 	case 0x1120:
753 		switch (st->dvb_usb_lme2510_firmware) {
754 		default:
755 		case TUNER_S7395:
756 			fw_lme = fw_c_s7395;
757 			ret = request_firmware(&fw, fw_lme, &udev->dev);
758 			if (ret == 0) {
759 				st->dvb_usb_lme2510_firmware = TUNER_S7395;
760 				cold = 0;
761 				break;
762 			}
763 			/* fall through */
764 		case TUNER_LG:
765 			fw_lme = fw_c_lg;
766 			ret = request_firmware(&fw, fw_lme, &udev->dev);
767 			if (ret == 0) {
768 				st->dvb_usb_lme2510_firmware = TUNER_LG;
769 				break;
770 			}
771 			/* fall through */
772 		case TUNER_S0194:
773 			fw_lme = fw_c_s0194;
774 			ret = request_firmware(&fw, fw_lme, &udev->dev);
775 			if (ret == 0) {
776 				st->dvb_usb_lme2510_firmware = TUNER_S0194;
777 				break;
778 			}
779 			st->dvb_usb_lme2510_firmware = TUNER_DEFAULT;
780 			cold = 0;
781 			break;
782 		}
783 		break;
784 	case 0x22f0:
785 		fw_lme = fw_c_rs2000;
786 		st->dvb_usb_lme2510_firmware = TUNER_RS2000;
787 		break;
788 	default:
789 		fw_lme = fw_c_s7395;
790 	}
791 
792 	release_firmware(fw);
793 
794 	if (cold) {
795 		dvb_usb_lme2510_firmware = st->dvb_usb_lme2510_firmware;
796 		info("FRM Changing to %s firmware", fw_lme);
797 		lme_coldreset(d);
798 		return NULL;
799 	}
800 
801 	return fw_lme;
802 }
803 
lme2510_kill_urb(struct usb_data_stream * stream)804 static int lme2510_kill_urb(struct usb_data_stream *stream)
805 {
806 	int i;
807 
808 	for (i = 0; i < stream->urbs_submitted; i++) {
809 		deb_info(3, "killing URB no. %d.", i);
810 		/* stop the URB */
811 		usb_kill_urb(stream->urb_list[i]);
812 	}
813 	stream->urbs_submitted = 0;
814 
815 	return 0;
816 }
817 
818 static struct tda10086_config tda10086_config = {
819 	.demod_address = 0x0e,
820 	.invert = 0,
821 	.diseqc_tone = 1,
822 	.xtal_freq = TDA10086_XTAL_16M,
823 };
824 
825 static struct stv0288_config lme_config = {
826 	.demod_address = 0x68,
827 	.min_delay_ms = 15,
828 	.inittab = s7395_inittab,
829 };
830 
831 static struct ix2505v_config lme_tuner = {
832 	.tuner_address = 0x60,
833 	.min_delay_ms = 100,
834 	.tuner_gain = 0x0,
835 	.tuner_chargepump = 0x3,
836 };
837 
838 static struct stv0299_config sharp_z0194_config = {
839 	.demod_address = 0x68,
840 	.inittab = sharp_z0194a_inittab,
841 	.mclk = 88000000UL,
842 	.invert = 0,
843 	.skip_reinit = 0,
844 	.lock_output = STV0299_LOCKOUTPUT_1,
845 	.volt13_op0_op1 = STV0299_VOLT13_OP1,
846 	.min_delay_ms = 100,
847 	.set_symbol_rate = sharp_z0194a_set_symbol_rate,
848 };
849 
850 static struct m88rs2000_config m88rs2000_config = {
851 	.demod_addr = 0x68
852 };
853 
854 static struct ts2020_config ts2020_config = {
855 	.tuner_address = 0x60,
856 	.clk_out_div = 7,
857 	.dont_poll = true
858 };
859 
dm04_lme2510_set_voltage(struct dvb_frontend * fe,enum fe_sec_voltage voltage)860 static int dm04_lme2510_set_voltage(struct dvb_frontend *fe,
861 				    enum fe_sec_voltage voltage)
862 {
863 	struct dvb_usb_device *d = fe_to_d(fe);
864 	struct lme2510_state *st = fe_to_priv(fe);
865 	static u8 voltage_low[] = LME_VOLTAGE_L;
866 	static u8 voltage_high[] = LME_VOLTAGE_H;
867 	static u8 rbuf[1];
868 	int ret = 0, len = 3, rlen = 1;
869 
870 	mutex_lock(&d->i2c_mutex);
871 
872 	switch (voltage) {
873 	case SEC_VOLTAGE_18:
874 		ret |= lme2510_usb_talk(d,
875 			voltage_high, len, rbuf, rlen);
876 		break;
877 
878 	case SEC_VOLTAGE_OFF:
879 	case SEC_VOLTAGE_13:
880 	default:
881 		ret |= lme2510_usb_talk(d,
882 				voltage_low, len, rbuf, rlen);
883 		break;
884 	}
885 
886 	mutex_unlock(&d->i2c_mutex);
887 
888 	if (st->tuner_config == TUNER_RS2000)
889 		if (st->fe_set_voltage)
890 			st->fe_set_voltage(fe, voltage);
891 
892 
893 	return (ret < 0) ? -ENODEV : 0;
894 }
895 
dm04_read_status(struct dvb_frontend * fe,enum fe_status * status)896 static int dm04_read_status(struct dvb_frontend *fe, enum fe_status *status)
897 {
898 	struct dvb_usb_device *d = fe_to_d(fe);
899 	struct lme2510_state *st = d->priv;
900 	int ret = 0;
901 
902 	if (st->i2c_talk_onoff) {
903 		if (st->fe_read_status) {
904 			ret = st->fe_read_status(fe, status);
905 			if (ret < 0)
906 				return ret;
907 		}
908 
909 		st->lock_status = *status;
910 
911 		if (*status & FE_HAS_LOCK && st->stream_on) {
912 			mutex_lock(&d->i2c_mutex);
913 
914 			st->i2c_talk_onoff = 0;
915 			ret = lme2510_stream_restart(d);
916 
917 			mutex_unlock(&d->i2c_mutex);
918 		}
919 
920 		return ret;
921 	}
922 
923 	/* Timeout of interrupt reached on RS2000 */
924 	if (st->tuner_config == TUNER_RS2000 &&
925 	    time_after(jiffies, st->int_urb_due))
926 		st->lock_status &= ~FE_HAS_LOCK;
927 
928 	*status = st->lock_status;
929 
930 	if (!(*status & FE_HAS_LOCK)) {
931 		struct dvb_usb_adapter *adap = fe_to_adap(fe);
932 
933 		st->i2c_talk_onoff = 1;
934 
935 		lme2510_update_stats(adap);
936 	}
937 
938 	return ret;
939 }
940 
dm04_read_signal_strength(struct dvb_frontend * fe,u16 * strength)941 static int dm04_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
942 {
943 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
944 	struct lme2510_state *st = fe_to_priv(fe);
945 
946 	if (st->fe_read_signal_strength && !st->stream_on)
947 		return st->fe_read_signal_strength(fe, strength);
948 
949 	if (c->strength.stat[0].scale == FE_SCALE_RELATIVE)
950 		*strength = (u16)c->strength.stat[0].uvalue;
951 	else
952 		*strength = 0;
953 
954 	return 0;
955 }
956 
dm04_read_snr(struct dvb_frontend * fe,u16 * snr)957 static int dm04_read_snr(struct dvb_frontend *fe, u16 *snr)
958 {
959 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
960 	struct lme2510_state *st = fe_to_priv(fe);
961 
962 	if (st->fe_read_snr && !st->stream_on)
963 		return st->fe_read_snr(fe, snr);
964 
965 	if (c->cnr.stat[0].scale == FE_SCALE_RELATIVE)
966 		*snr = (u16)c->cnr.stat[0].uvalue;
967 	else
968 		*snr = 0;
969 
970 	return 0;
971 }
972 
dm04_read_ber(struct dvb_frontend * fe,u32 * ber)973 static int dm04_read_ber(struct dvb_frontend *fe, u32 *ber)
974 {
975 	struct lme2510_state *st = fe_to_priv(fe);
976 
977 	if (st->fe_read_ber && !st->stream_on)
978 		return st->fe_read_ber(fe, ber);
979 
980 	*ber = 0;
981 
982 	return 0;
983 }
984 
dm04_read_ucblocks(struct dvb_frontend * fe,u32 * ucblocks)985 static int dm04_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
986 {
987 	struct lme2510_state *st = fe_to_priv(fe);
988 
989 	if (st->fe_read_ucblocks && !st->stream_on)
990 		return st->fe_read_ucblocks(fe, ucblocks);
991 
992 	*ucblocks = 0;
993 
994 	return 0;
995 }
996 
lme_name(struct dvb_usb_adapter * adap)997 static int lme_name(struct dvb_usb_adapter *adap)
998 {
999 	struct dvb_usb_device *d = adap_to_d(adap);
1000 	struct lme2510_state *st = adap_to_priv(adap);
1001 	const char *desc = d->name;
1002 	static const char * const fe_name[] = {
1003 		"", " LG TDQY-P001F", " SHARP:BS2F7HZ7395",
1004 		" SHARP:BS2F7HZ0194", " RS2000"};
1005 	char *name = adap->fe[0]->ops.info.name;
1006 
1007 	strlcpy(name, desc, 128);
1008 	strlcat(name, fe_name[st->tuner_config], 128);
1009 
1010 	return 0;
1011 }
1012 
dm04_lme2510_frontend_attach(struct dvb_usb_adapter * adap)1013 static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
1014 {
1015 	struct dvb_usb_device *d = adap_to_d(adap);
1016 	struct lme2510_state *st = d->priv;
1017 	int ret = 0;
1018 
1019 	st->i2c_talk_onoff = 1;
1020 	switch (le16_to_cpu(d->udev->descriptor.idProduct)) {
1021 	case 0x1122:
1022 	case 0x1120:
1023 		st->i2c_gate = 4;
1024 		adap->fe[0] = dvb_attach(tda10086_attach,
1025 			&tda10086_config, &d->i2c_adap);
1026 		if (adap->fe[0]) {
1027 			info("TUN Found Frontend TDA10086");
1028 			st->i2c_tuner_gate_w = 4;
1029 			st->i2c_tuner_gate_r = 4;
1030 			st->i2c_tuner_addr = 0x60;
1031 			st->tuner_config = TUNER_LG;
1032 			if (st->dvb_usb_lme2510_firmware != TUNER_LG) {
1033 				st->dvb_usb_lme2510_firmware = TUNER_LG;
1034 				ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV;
1035 			}
1036 			break;
1037 		}
1038 
1039 		st->i2c_gate = 4;
1040 		adap->fe[0] = dvb_attach(stv0299_attach,
1041 				&sharp_z0194_config, &d->i2c_adap);
1042 		if (adap->fe[0]) {
1043 			info("FE Found Stv0299");
1044 			st->i2c_tuner_gate_w = 4;
1045 			st->i2c_tuner_gate_r = 5;
1046 			st->i2c_tuner_addr = 0x60;
1047 			st->tuner_config = TUNER_S0194;
1048 			if (st->dvb_usb_lme2510_firmware != TUNER_S0194) {
1049 				st->dvb_usb_lme2510_firmware = TUNER_S0194;
1050 				ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV;
1051 			}
1052 			break;
1053 		}
1054 
1055 		st->i2c_gate = 5;
1056 		adap->fe[0] = dvb_attach(stv0288_attach, &lme_config,
1057 			&d->i2c_adap);
1058 
1059 		if (adap->fe[0]) {
1060 			info("FE Found Stv0288");
1061 			st->i2c_tuner_gate_w = 4;
1062 			st->i2c_tuner_gate_r = 5;
1063 			st->i2c_tuner_addr = 0x60;
1064 			st->tuner_config = TUNER_S7395;
1065 			if (st->dvb_usb_lme2510_firmware != TUNER_S7395) {
1066 				st->dvb_usb_lme2510_firmware = TUNER_S7395;
1067 				ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV;
1068 			}
1069 			break;
1070 		}
1071 		/* fall through */
1072 	case 0x22f0:
1073 		st->i2c_gate = 5;
1074 		adap->fe[0] = dvb_attach(m88rs2000_attach,
1075 			&m88rs2000_config, &d->i2c_adap);
1076 
1077 		if (adap->fe[0]) {
1078 			info("FE Found M88RS2000");
1079 			st->i2c_tuner_gate_w = 5;
1080 			st->i2c_tuner_gate_r = 5;
1081 			st->i2c_tuner_addr = 0x60;
1082 			st->tuner_config = TUNER_RS2000;
1083 			st->fe_set_voltage =
1084 				adap->fe[0]->ops.set_voltage;
1085 		}
1086 		break;
1087 	}
1088 
1089 	if (adap->fe[0] == NULL) {
1090 		info("DM04/QQBOX Not Powered up or not Supported");
1091 		return -ENODEV;
1092 	}
1093 
1094 	if (ret) {
1095 		if (adap->fe[0]) {
1096 			dvb_frontend_detach(adap->fe[0]);
1097 			adap->fe[0] = NULL;
1098 		}
1099 		d->rc_map = NULL;
1100 		return -ENODEV;
1101 	}
1102 
1103 	st->fe_read_status = adap->fe[0]->ops.read_status;
1104 	st->fe_read_signal_strength = adap->fe[0]->ops.read_signal_strength;
1105 	st->fe_read_snr = adap->fe[0]->ops.read_snr;
1106 	st->fe_read_ber = adap->fe[0]->ops.read_ber;
1107 	st->fe_read_ucblocks = adap->fe[0]->ops.read_ucblocks;
1108 
1109 	adap->fe[0]->ops.read_status = dm04_read_status;
1110 	adap->fe[0]->ops.read_signal_strength = dm04_read_signal_strength;
1111 	adap->fe[0]->ops.read_snr = dm04_read_snr;
1112 	adap->fe[0]->ops.read_ber = dm04_read_ber;
1113 	adap->fe[0]->ops.read_ucblocks = dm04_read_ucblocks;
1114 	adap->fe[0]->ops.set_voltage = dm04_lme2510_set_voltage;
1115 
1116 	ret = lme_name(adap);
1117 	return ret;
1118 }
1119 
dm04_lme2510_tuner(struct dvb_usb_adapter * adap)1120 static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap)
1121 {
1122 	struct dvb_usb_device *d = adap_to_d(adap);
1123 	struct lme2510_state *st = adap_to_priv(adap);
1124 	static const char * const tun_msg[] = {"", "TDA8263", "IX2505V", "DVB_PLL_OPERA", "RS2000"};
1125 	int ret = 0;
1126 
1127 	switch (st->tuner_config) {
1128 	case TUNER_LG:
1129 		if (dvb_attach(tda826x_attach, adap->fe[0], 0x60,
1130 			&d->i2c_adap, 1))
1131 			ret = st->tuner_config;
1132 		break;
1133 	case TUNER_S7395:
1134 		if (dvb_attach(ix2505v_attach , adap->fe[0], &lme_tuner,
1135 			&d->i2c_adap))
1136 			ret = st->tuner_config;
1137 		break;
1138 	case TUNER_S0194:
1139 		if (dvb_attach(dvb_pll_attach , adap->fe[0], 0x60,
1140 			&d->i2c_adap, DVB_PLL_OPERA1))
1141 			ret = st->tuner_config;
1142 		break;
1143 	case TUNER_RS2000:
1144 		if (dvb_attach(ts2020_attach, adap->fe[0],
1145 			       &ts2020_config, &d->i2c_adap))
1146 			ret = st->tuner_config;
1147 		break;
1148 	default:
1149 		break;
1150 	}
1151 
1152 	if (ret) {
1153 		info("TUN Found %s tuner", tun_msg[ret]);
1154 	} else {
1155 		info("TUN No tuner found");
1156 		return -ENODEV;
1157 	}
1158 
1159 	/* Start the Interrupt*/
1160 	ret = lme2510_int_read(adap);
1161 	if (ret < 0) {
1162 		info("INT Unable to start Interrupt Service");
1163 		return -ENODEV;
1164 	}
1165 
1166 	return ret;
1167 }
1168 
lme2510_powerup(struct dvb_usb_device * d,int onoff)1169 static int lme2510_powerup(struct dvb_usb_device *d, int onoff)
1170 {
1171 	struct lme2510_state *st = d->priv;
1172 	static u8 lnb_on[] = LNB_ON;
1173 	static u8 lnb_off[] = LNB_OFF;
1174 	static u8 rbuf[1];
1175 	int ret = 0, len = 3, rlen = 1;
1176 
1177 	mutex_lock(&d->i2c_mutex);
1178 
1179 	ret = lme2510_usb_talk(d, onoff ? lnb_on : lnb_off, len, rbuf, rlen);
1180 
1181 	st->i2c_talk_onoff = 1;
1182 
1183 	mutex_unlock(&d->i2c_mutex);
1184 
1185 	return ret;
1186 }
1187 
lme2510_get_adapter_count(struct dvb_usb_device * d)1188 static int lme2510_get_adapter_count(struct dvb_usb_device *d)
1189 {
1190 	return 1;
1191 }
1192 
lme2510_identify_state(struct dvb_usb_device * d,const char ** name)1193 static int lme2510_identify_state(struct dvb_usb_device *d, const char **name)
1194 {
1195 	struct lme2510_state *st = d->priv;
1196 	int status;
1197 
1198 	usb_reset_configuration(d->udev);
1199 
1200 	usb_set_interface(d->udev,
1201 		d->props->bInterfaceNumber, 1);
1202 
1203 	st->dvb_usb_lme2510_firmware = dvb_usb_lme2510_firmware;
1204 
1205 	status = lme2510_return_status(d);
1206 	if (status == 0x44) {
1207 		*name = lme_firmware_switch(d, 0);
1208 		return COLD;
1209 	}
1210 
1211 	if (status != 0x47)
1212 		return -EINVAL;
1213 
1214 	return WARM;
1215 }
1216 
lme2510_get_stream_config(struct dvb_frontend * fe,u8 * ts_type,struct usb_data_stream_properties * stream)1217 static int lme2510_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
1218 		struct usb_data_stream_properties *stream)
1219 {
1220 	struct dvb_usb_adapter *adap = fe_to_adap(fe);
1221 	struct dvb_usb_device *d;
1222 
1223 	if (adap == NULL)
1224 		return 0;
1225 
1226 	d = adap_to_d(adap);
1227 
1228 	/* Turn PID filter on the fly by module option */
1229 	if (pid_filter == 2) {
1230 		adap->pid_filtering  = true;
1231 		adap->max_feed_count = 15;
1232 	}
1233 
1234 	if (!(le16_to_cpu(d->udev->descriptor.idProduct)
1235 		== 0x1122))
1236 		stream->endpoint = 0x8;
1237 
1238 	return 0;
1239 }
1240 
lme2510_get_rc_config(struct dvb_usb_device * d,struct dvb_usb_rc * rc)1241 static int lme2510_get_rc_config(struct dvb_usb_device *d,
1242 	struct dvb_usb_rc *rc)
1243 {
1244 	rc->allowed_protos = RC_PROTO_BIT_NEC32;
1245 	return 0;
1246 }
1247 
lme2510_exit_int(struct dvb_usb_device * d)1248 static void *lme2510_exit_int(struct dvb_usb_device *d)
1249 {
1250 	struct lme2510_state *st = d->priv;
1251 	struct dvb_usb_adapter *adap = &d->adapter[0];
1252 	void *buffer = NULL;
1253 
1254 	if (adap != NULL) {
1255 		lme2510_kill_urb(&adap->stream);
1256 	}
1257 
1258 	if (st->usb_buffer != NULL) {
1259 		st->i2c_talk_onoff = 1;
1260 		st->signal_level = 0;
1261 		st->signal_sn = 0;
1262 		buffer = st->usb_buffer;
1263 	}
1264 
1265 	if (st->lme_urb != NULL) {
1266 		usb_kill_urb(st->lme_urb);
1267 		usb_free_coherent(d->udev, 128, st->buffer,
1268 				  st->lme_urb->transfer_dma);
1269 		info("Interrupt Service Stopped");
1270 	}
1271 
1272 	return buffer;
1273 }
1274 
lme2510_exit(struct dvb_usb_device * d)1275 static void lme2510_exit(struct dvb_usb_device *d)
1276 {
1277 	void *usb_buffer;
1278 
1279 	if (d != NULL) {
1280 		usb_buffer = lme2510_exit_int(d);
1281 		kfree(usb_buffer);
1282 	}
1283 }
1284 
1285 static struct dvb_usb_device_properties lme2510_props = {
1286 	.driver_name = KBUILD_MODNAME,
1287 	.owner = THIS_MODULE,
1288 	.bInterfaceNumber = 0,
1289 	.adapter_nr = adapter_nr,
1290 	.size_of_priv = sizeof(struct lme2510_state),
1291 
1292 	.download_firmware = lme2510_download_firmware,
1293 
1294 	.power_ctrl       = lme2510_powerup,
1295 	.identify_state   = lme2510_identify_state,
1296 	.i2c_algo         = &lme2510_i2c_algo,
1297 
1298 	.frontend_attach  = dm04_lme2510_frontend_attach,
1299 	.tuner_attach = dm04_lme2510_tuner,
1300 	.get_stream_config = lme2510_get_stream_config,
1301 	.get_adapter_count = lme2510_get_adapter_count,
1302 	.streaming_ctrl   = lme2510_streaming_ctrl,
1303 
1304 	.get_rc_config = lme2510_get_rc_config,
1305 
1306 	.exit = lme2510_exit,
1307 	.adapter = {
1308 		{
1309 			.caps = DVB_USB_ADAP_HAS_PID_FILTER|
1310 				DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1311 			.pid_filter_count = 15,
1312 			.pid_filter = lme2510_pid_filter,
1313 			.pid_filter_ctrl  = lme2510_pid_filter_ctrl,
1314 			.stream =
1315 			DVB_USB_STREAM_BULK(0x86, 10, 4096),
1316 		},
1317 		{
1318 		}
1319 	},
1320 };
1321 
1322 static const struct usb_device_id lme2510_id_table[] = {
1323 	{	DVB_USB_DEVICE(0x3344, 0x1122, &lme2510_props,
1324 		"DM04_LME2510_DVB-S", RC_MAP_LME2510)	},
1325 	{	DVB_USB_DEVICE(0x3344, 0x1120, &lme2510_props,
1326 		"DM04_LME2510C_DVB-S", RC_MAP_LME2510)	},
1327 	{	DVB_USB_DEVICE(0x3344, 0x22f0, &lme2510_props,
1328 		"DM04_LME2510C_DVB-S RS2000", RC_MAP_LME2510)	},
1329 	{}		/* Terminating entry */
1330 };
1331 
1332 MODULE_DEVICE_TABLE(usb, lme2510_id_table);
1333 
1334 static struct usb_driver lme2510_driver = {
1335 	.name		= KBUILD_MODNAME,
1336 	.probe		= dvb_usbv2_probe,
1337 	.disconnect	= dvb_usbv2_disconnect,
1338 	.id_table	= lme2510_id_table,
1339 	.no_dynamic_id = 1,
1340 	.soft_unbind = 1,
1341 };
1342 
1343 module_usb_driver(lme2510_driver);
1344 
1345 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
1346 MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0");
1347 MODULE_VERSION("2.07");
1348 MODULE_LICENSE("GPL");
1349 MODULE_FIRMWARE(LME2510_C_S7395);
1350 MODULE_FIRMWARE(LME2510_C_LG);
1351 MODULE_FIRMWARE(LME2510_C_S0194);
1352 MODULE_FIRMWARE(LME2510_C_RS2000);
1353 MODULE_FIRMWARE(LME2510_LG);
1354 MODULE_FIRMWARE(LME2510_S0194);
1355 
1356