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/dvb/lmedm04.txt
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 * You should have received a copy of the GNU General Public License
52 * along with this program; if not, write to the Free Software
53 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
54 *
55 *
56 * see Documentation/dvb/README.dvb-usb for more information
57 *
58 * Known Issues :
59 *	LME2510: Non Intel USB chipsets fail to maintain High Speed on
60 * Boot or Hot Plug.
61 *
62 * QQbox suffers from noise on LNB voltage.
63 *
64 *	LME2510: SHARP:BS2F7HZ0194(MV0194) cannot cold reset and share system
65 * with other tuners. After a cold reset streaming will not start.
66 *
67 * M88RS2000 suffers from loss of lock.
68 */
69#define DVB_USB_LOG_PREFIX "LME2510(C)"
70#include <linux/usb.h>
71#include <linux/usb/input.h>
72#include <media/rc-core.h>
73
74#include "dvb_usb.h"
75#include "lmedm04.h"
76#include "tda826x.h"
77#include "tda10086.h"
78#include "stv0288.h"
79#include "ix2505v.h"
80#include "stv0299.h"
81#include "dvb-pll.h"
82#include "z0194a.h"
83#include "m88rs2000.h"
84#include "ts2020.h"
85
86
87#define LME2510_C_S7395	"dvb-usb-lme2510c-s7395.fw";
88#define LME2510_C_LG	"dvb-usb-lme2510c-lg.fw";
89#define LME2510_C_S0194	"dvb-usb-lme2510c-s0194.fw";
90#define LME2510_C_RS2000 "dvb-usb-lme2510c-rs2000.fw";
91#define LME2510_LG	"dvb-usb-lme2510-lg.fw";
92#define LME2510_S0194	"dvb-usb-lme2510-s0194.fw";
93
94/* debug */
95static int dvb_usb_lme2510_debug;
96#define lme_debug(var, level, args...) do { \
97	if ((var >= level)) \
98		pr_debug(DVB_USB_LOG_PREFIX": " args); \
99} while (0)
100#define deb_info(level, args...) lme_debug(dvb_usb_lme2510_debug, level, args)
101#define debug_data_snipet(level, name, p) \
102	 deb_info(level, name" (%02x%02x%02x%02x%02x%02x%02x%02x)", \
103		*p, *(p+1), *(p+2), *(p+3), *(p+4), \
104			*(p+5), *(p+6), *(p+7));
105#define info(args...) pr_info(DVB_USB_LOG_PREFIX": "args)
106
107module_param_named(debug, dvb_usb_lme2510_debug, int, 0644);
108MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able)).");
109
110static int dvb_usb_lme2510_firmware;
111module_param_named(firmware, dvb_usb_lme2510_firmware, int, 0644);
112MODULE_PARM_DESC(firmware, "set default firmware 0=Sharp7395 1=LG");
113
114static int pid_filter;
115module_param_named(pid, pid_filter, int, 0644);
116MODULE_PARM_DESC(pid, "set default 0=default 1=off 2=on");
117
118
119DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
120
121#define TUNER_DEFAULT	0x0
122#define TUNER_LG	0x1
123#define TUNER_S7395	0x2
124#define TUNER_S0194	0x3
125#define TUNER_RS2000	0x4
126
127struct lme2510_state {
128	unsigned long int_urb_due;
129	fe_status_t lock_status;
130	u8 id;
131	u8 tuner_config;
132	u8 signal_level;
133	u8 signal_sn;
134	u8 time_key;
135	u8 i2c_talk_onoff;
136	u8 i2c_gate;
137	u8 i2c_tuner_gate_w;
138	u8 i2c_tuner_gate_r;
139	u8 i2c_tuner_addr;
140	u8 stream_on;
141	u8 pid_size;
142	u8 pid_off;
143	void *buffer;
144	struct urb *lme_urb;
145	void *usb_buffer;
146	/* Frontend original calls */
147	int (*fe_read_status)(struct dvb_frontend *, fe_status_t *);
148	int (*fe_read_signal_strength)(struct dvb_frontend *, u16 *);
149	int (*fe_read_snr)(struct dvb_frontend *, u16 *);
150	int (*fe_read_ber)(struct dvb_frontend *, u32 *);
151	int (*fe_read_ucblocks)(struct dvb_frontend *, u32 *);
152	int (*fe_set_voltage)(struct dvb_frontend *, fe_sec_voltage_t);
153	u8 dvb_usb_lme2510_firmware;
154};
155
156static int lme2510_bulk_write(struct usb_device *dev,
157				u8 *snd, int len, u8 pipe)
158{
159	int ret, actual_l;
160
161	ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
162				snd, len , &actual_l, 100);
163	return ret;
164}
165
166static int lme2510_bulk_read(struct usb_device *dev,
167				u8 *rev, int len, u8 pipe)
168{
169	int ret, actual_l;
170
171	ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
172				 rev, len , &actual_l, 200);
173	return ret;
174}
175
176static int lme2510_usb_talk(struct dvb_usb_device *d,
177		u8 *wbuf, int wlen, u8 *rbuf, int rlen)
178{
179	struct lme2510_state *st = d->priv;
180	u8 *buff;
181	int ret = 0;
182
183	if (st->usb_buffer == NULL) {
184		st->usb_buffer = kmalloc(64, GFP_KERNEL);
185		if (st->usb_buffer == NULL) {
186			info("MEM Error no memory");
187			return -ENOMEM;
188		}
189	}
190	buff = st->usb_buffer;
191
192	ret = mutex_lock_interruptible(&d->usb_mutex);
193
194	if (ret < 0)
195		return -EAGAIN;
196
197	/* the read/write capped at 64 */
198	memcpy(buff, wbuf, (wlen < 64) ? wlen : 64);
199
200	ret |= lme2510_bulk_write(d->udev, buff, wlen , 0x01);
201
202	ret |= lme2510_bulk_read(d->udev, buff, (rlen < 64) ?
203			rlen : 64 , 0x01);
204
205	if (rlen > 0)
206		memcpy(rbuf, buff, rlen);
207
208	mutex_unlock(&d->usb_mutex);
209
210	return (ret < 0) ? -ENODEV : 0;
211}
212
213static int lme2510_stream_restart(struct dvb_usb_device *d)
214{
215	struct lme2510_state *st = d->priv;
216	u8 all_pids[] = LME_ALL_PIDS;
217	u8 stream_on[] = LME_ST_ON_W;
218	int ret;
219	u8 rbuff[1];
220	if (st->pid_off)
221		ret = lme2510_usb_talk(d, all_pids, sizeof(all_pids),
222			rbuff, sizeof(rbuff));
223	/*Restart Stream Command*/
224	ret = lme2510_usb_talk(d, stream_on, sizeof(stream_on),
225			rbuff, sizeof(rbuff));
226	return ret;
227}
228
229static int lme2510_enable_pid(struct dvb_usb_device *d, u8 index, u16 pid_out)
230{
231	struct lme2510_state *st = d->priv;
232	static u8 pid_buff[] = LME_ZERO_PID;
233	static u8 rbuf[1];
234	u8 pid_no = index * 2;
235	u8 pid_len = pid_no + 2;
236	int ret = 0;
237	deb_info(1, "PID Setting Pid %04x", pid_out);
238
239	if (st->pid_size == 0)
240		ret |= lme2510_stream_restart(d);
241
242	pid_buff[2] = pid_no;
243	pid_buff[3] = (u8)pid_out & 0xff;
244	pid_buff[4] = pid_no + 1;
245	pid_buff[5] = (u8)(pid_out >> 8);
246
247	if (pid_len > st->pid_size)
248		st->pid_size = pid_len;
249	pid_buff[7] = 0x80 + st->pid_size;
250
251	ret |= lme2510_usb_talk(d, pid_buff ,
252		sizeof(pid_buff) , rbuf, sizeof(rbuf));
253
254	if (st->stream_on)
255		ret |= lme2510_stream_restart(d);
256
257	return ret;
258}
259
260static void lme2510_int_response(struct urb *lme_urb)
261{
262	struct dvb_usb_adapter *adap = lme_urb->context;
263	struct lme2510_state *st = adap_to_priv(adap);
264	static u8 *ibuf, *rbuf;
265	int i = 0, offset;
266	u32 key;
267	u8 signal_lock = 0;
268
269	switch (lme_urb->status) {
270	case 0:
271	case -ETIMEDOUT:
272		break;
273	case -ECONNRESET:
274	case -ENOENT:
275	case -ESHUTDOWN:
276		return;
277	default:
278		info("Error %x", lme_urb->status);
279		break;
280	}
281
282	rbuf = (u8 *) lme_urb->transfer_buffer;
283
284	offset = ((lme_urb->actual_length/8) > 4)
285			? 4 : (lme_urb->actual_length/8) ;
286
287	for (i = 0; i < offset; ++i) {
288		ibuf = (u8 *)&rbuf[i*8];
289		deb_info(5, "INT O/S C =%02x C/O=%02x Type =%02x%02x",
290		offset, i, ibuf[0], ibuf[1]);
291
292		switch (ibuf[0]) {
293		case 0xaa:
294			debug_data_snipet(1, "INT Remote data snipet", ibuf);
295			if ((ibuf[4] + ibuf[5]) == 0xff) {
296				key = RC_SCANCODE_NECX((ibuf[2] ^ 0xff) << 8 |
297						       (ibuf[3] > 0) ? (ibuf[3] ^ 0xff) : 0,
298						       ibuf[5]);
299				deb_info(1, "INT Key =%08x", key);
300				if (adap_to_d(adap)->rc_dev != NULL)
301					rc_keydown(adap_to_d(adap)->rc_dev,
302						   RC_TYPE_NEC, key, 0);
303			}
304			break;
305		case 0xbb:
306			switch (st->tuner_config) {
307			case TUNER_LG:
308				signal_lock = ibuf[2] & BIT(5);
309				st->signal_level = ibuf[4];
310				st->signal_sn = ibuf[3];
311				st->time_key = ibuf[7];
312				break;
313			case TUNER_S7395:
314			case TUNER_S0194:
315				/* Tweak for earlier firmware*/
316				if (ibuf[1] == 0x03) {
317					signal_lock = ibuf[2] & BIT(4);
318					st->signal_level = ibuf[3];
319					st->signal_sn = ibuf[4];
320				} else {
321					st->signal_level = ibuf[4];
322					st->signal_sn = ibuf[5];
323				}
324				break;
325			case TUNER_RS2000:
326				signal_lock = ibuf[2] & 0xee;
327				st->signal_level = ibuf[5];
328				st->signal_sn = ibuf[4];
329				st->time_key = ibuf[7];
330			default:
331				break;
332			}
333
334			/* Interrupt will also throw just BIT 0 as lock */
335			signal_lock |= ibuf[2] & BIT(0);
336
337			if (!signal_lock)
338				st->lock_status &= ~FE_HAS_LOCK;
339
340			debug_data_snipet(5, "INT Remote data snipet in", ibuf);
341		break;
342		case 0xcc:
343			debug_data_snipet(1, "INT Control data snipet", ibuf);
344			break;
345		default:
346			debug_data_snipet(1, "INT Unknown data snipet", ibuf);
347		break;
348		}
349	}
350
351	usb_submit_urb(lme_urb, GFP_ATOMIC);
352
353	/* Interrupt urb is due every 48 msecs while streaming the buffer
354	 * stores up to 4 periods if missed. Allow 200 msec for next interrupt.
355	 */
356	st->int_urb_due = jiffies + msecs_to_jiffies(200);
357}
358
359static int lme2510_int_read(struct dvb_usb_adapter *adap)
360{
361	struct dvb_usb_device *d = adap_to_d(adap);
362	struct lme2510_state *lme_int = adap_to_priv(adap);
363	struct usb_host_endpoint *ep;
364
365	lme_int->lme_urb = usb_alloc_urb(0, GFP_ATOMIC);
366
367	if (lme_int->lme_urb == NULL)
368			return -ENOMEM;
369
370	lme_int->buffer = usb_alloc_coherent(d->udev, 128, GFP_ATOMIC,
371					&lme_int->lme_urb->transfer_dma);
372
373	if (lme_int->buffer == NULL)
374			return -ENOMEM;
375
376	usb_fill_int_urb(lme_int->lme_urb,
377				d->udev,
378				usb_rcvintpipe(d->udev, 0xa),
379				lme_int->buffer,
380				128,
381				lme2510_int_response,
382				adap,
383				8);
384
385	/* Quirk of pipe reporting PIPE_BULK but behaves as interrupt */
386	ep = usb_pipe_endpoint(d->udev, lme_int->lme_urb->pipe);
387
388	if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK)
389		lme_int->lme_urb->pipe = usb_rcvbulkpipe(d->udev, 0xa),
390
391	lme_int->lme_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
392
393	usb_submit_urb(lme_int->lme_urb, GFP_ATOMIC);
394	info("INT Interrupt Service Started");
395
396	return 0;
397}
398
399static int lme2510_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
400{
401	struct dvb_usb_device *d = adap_to_d(adap);
402	struct lme2510_state *st = adap_to_priv(adap);
403	static u8 clear_pid_reg[] = LME_ALL_PIDS;
404	static u8 rbuf[1];
405	int ret = 0;
406
407	deb_info(1, "PID Clearing Filter");
408
409	mutex_lock(&d->i2c_mutex);
410
411	if (!onoff) {
412		ret |= lme2510_usb_talk(d, clear_pid_reg,
413			sizeof(clear_pid_reg), rbuf, sizeof(rbuf));
414		st->pid_off = true;
415	} else
416		st->pid_off = false;
417
418	st->pid_size = 0;
419
420	mutex_unlock(&d->i2c_mutex);
421
422	return 0;
423}
424
425static int lme2510_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
426	int onoff)
427{
428	struct dvb_usb_device *d = adap_to_d(adap);
429	int ret = 0;
430
431	deb_info(3, "%s PID=%04x Index=%04x onoff=%02x", __func__,
432		pid, index, onoff);
433
434	if (onoff) {
435		mutex_lock(&d->i2c_mutex);
436		ret |= lme2510_enable_pid(d, index, pid);
437		mutex_unlock(&d->i2c_mutex);
438	}
439
440
441	return ret;
442}
443
444
445static int lme2510_return_status(struct dvb_usb_device *d)
446{
447	int ret = 0;
448	u8 *data;
449
450	data = kzalloc(10, GFP_KERNEL);
451	if (!data)
452		return -ENOMEM;
453
454	ret |= usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0),
455			0x06, 0x80, 0x0302, 0x00, data, 0x0006, 200);
456	info("Firmware Status: %x (%x)", ret , data[2]);
457
458	ret = (ret < 0) ? -ENODEV : data[2];
459	kfree(data);
460	return ret;
461}
462
463static int lme2510_msg(struct dvb_usb_device *d,
464		u8 *wbuf, int wlen, u8 *rbuf, int rlen)
465{
466	struct lme2510_state *st = d->priv;
467
468	st->i2c_talk_onoff = 1;
469
470	return lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
471}
472
473static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
474				 int num)
475{
476	struct dvb_usb_device *d = i2c_get_adapdata(adap);
477	struct lme2510_state *st = d->priv;
478	static u8 obuf[64], ibuf[64];
479	int i, read, read_o;
480	u16 len;
481	u8 gate = st->i2c_gate;
482
483	mutex_lock(&d->i2c_mutex);
484
485	if (gate == 0)
486		gate = 5;
487
488	for (i = 0; i < num; i++) {
489		read_o = msg[i].flags & I2C_M_RD;
490		read = i + 1 < num && msg[i + 1].flags & I2C_M_RD;
491		read |= read_o;
492		gate = (msg[i].addr == st->i2c_tuner_addr)
493			? (read)	? st->i2c_tuner_gate_r
494					: st->i2c_tuner_gate_w
495			: st->i2c_gate;
496		obuf[0] = gate | (read << 7);
497
498		if (gate == 5)
499			obuf[1] = (read) ? 2 : msg[i].len + 1;
500		else
501			obuf[1] = msg[i].len + read + 1;
502
503		obuf[2] = msg[i].addr << 1;
504
505		if (read) {
506			if (read_o)
507				len = 3;
508			else {
509				memcpy(&obuf[3], msg[i].buf, msg[i].len);
510				obuf[msg[i].len+3] = msg[i+1].len;
511				len = msg[i].len+4;
512			}
513		} else {
514			memcpy(&obuf[3], msg[i].buf, msg[i].len);
515			len = msg[i].len+3;
516		}
517
518		if (lme2510_msg(d, obuf, len, ibuf, 64) < 0) {
519			deb_info(1, "i2c transfer failed.");
520			mutex_unlock(&d->i2c_mutex);
521			return -EAGAIN;
522		}
523
524		if (read) {
525			if (read_o)
526				memcpy(msg[i].buf, &ibuf[1], msg[i].len);
527			else {
528				memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len);
529				i++;
530			}
531		}
532	}
533
534	mutex_unlock(&d->i2c_mutex);
535	return i;
536}
537
538static u32 lme2510_i2c_func(struct i2c_adapter *adapter)
539{
540	return I2C_FUNC_I2C;
541}
542
543static struct i2c_algorithm lme2510_i2c_algo = {
544	.master_xfer   = lme2510_i2c_xfer,
545	.functionality = lme2510_i2c_func,
546};
547
548static int lme2510_streaming_ctrl(struct dvb_frontend *fe, int onoff)
549{
550	struct dvb_usb_adapter *adap = fe_to_adap(fe);
551	struct dvb_usb_device *d = adap_to_d(adap);
552	struct lme2510_state *st = adap_to_priv(adap);
553	static u8 clear_reg_3[] = LME_ALL_PIDS;
554	static u8 rbuf[1];
555	int ret = 0, rlen = sizeof(rbuf);
556
557	deb_info(1, "STM  (%02x)", onoff);
558
559	/* Streaming is started by FE_HAS_LOCK */
560	if (onoff == 1)
561		st->stream_on = 1;
562	else {
563		deb_info(1, "STM Steam Off");
564		/* mutex is here only to avoid collision with I2C */
565		mutex_lock(&d->i2c_mutex);
566
567		ret = lme2510_usb_talk(d, clear_reg_3,
568				sizeof(clear_reg_3), rbuf, rlen);
569		st->stream_on = 0;
570		st->i2c_talk_onoff = 1;
571
572		mutex_unlock(&d->i2c_mutex);
573	}
574
575	return (ret < 0) ? -ENODEV : 0;
576}
577
578static u8 check_sum(u8 *p, u8 len)
579{
580	u8 sum = 0;
581	while (len--)
582		sum += *p++;
583	return sum;
584}
585
586static int lme2510_download_firmware(struct dvb_usb_device *d,
587					const struct firmware *fw)
588{
589	int ret = 0;
590	u8 *data;
591	u16 j, wlen, len_in, start, end;
592	u8 packet_size, dlen, i;
593	u8 *fw_data;
594
595	packet_size = 0x31;
596	len_in = 1;
597
598	data = kzalloc(128, GFP_KERNEL);
599	if (!data) {
600		info("FRM Could not start Firmware Download"\
601			"(Buffer allocation failed)");
602		return -ENOMEM;
603	}
604
605	info("FRM Starting Firmware Download");
606
607	for (i = 1; i < 3; i++) {
608		start = (i == 1) ? 0 : 512;
609		end = (i == 1) ? 512 : fw->size;
610		for (j = start; j < end; j += (packet_size+1)) {
611			fw_data = (u8 *)(fw->data + j);
612			if ((end - j) > packet_size) {
613				data[0] = i;
614				dlen = packet_size;
615			} else {
616				data[0] = i | 0x80;
617				dlen = (u8)(end - j)-1;
618			}
619			data[1] = dlen;
620			memcpy(&data[2], fw_data, dlen+1);
621			wlen = (u8) dlen + 4;
622			data[wlen-1] = check_sum(fw_data, dlen+1);
623			deb_info(1, "Data S=%02x:E=%02x CS= %02x", data[3],
624				data[dlen+2], data[dlen+3]);
625			lme2510_usb_talk(d, data, wlen, data, len_in);
626			ret |= (data[0] == 0x88) ? 0 : -1;
627		}
628	}
629
630	data[0] = 0x8a;
631	len_in = 1;
632	msleep(2000);
633	lme2510_usb_talk(d, data, len_in, data, len_in);
634	msleep(400);
635
636	if (ret < 0)
637		info("FRM Firmware Download Failed (%04x)" , ret);
638	else
639		info("FRM Firmware Download Completed - Resetting Device");
640
641	kfree(data);
642	return RECONNECTS_USB;
643}
644
645static void lme_coldreset(struct dvb_usb_device *d)
646{
647	u8 data[1] = {0};
648	data[0] = 0x0a;
649	info("FRM Firmware Cold Reset");
650
651	lme2510_usb_talk(d, data, sizeof(data), data, sizeof(data));
652
653	return;
654}
655
656static const char fw_c_s7395[] = LME2510_C_S7395;
657static const char fw_c_lg[] = LME2510_C_LG;
658static const char fw_c_s0194[] = LME2510_C_S0194;
659static const char fw_c_rs2000[] = LME2510_C_RS2000;
660static const char fw_lg[] = LME2510_LG;
661static const char fw_s0194[] = LME2510_S0194;
662
663static const char *lme_firmware_switch(struct dvb_usb_device *d, int cold)
664{
665	struct lme2510_state *st = d->priv;
666	struct usb_device *udev = d->udev;
667	const struct firmware *fw = NULL;
668	const char *fw_lme;
669	int ret = 0;
670
671	cold = (cold > 0) ? (cold & 1) : 0;
672
673	switch (le16_to_cpu(udev->descriptor.idProduct)) {
674	case 0x1122:
675		switch (st->dvb_usb_lme2510_firmware) {
676		default:
677		case TUNER_S0194:
678			fw_lme = fw_s0194;
679			ret = request_firmware(&fw, fw_lme, &udev->dev);
680			if (ret == 0) {
681				st->dvb_usb_lme2510_firmware = TUNER_S0194;
682				cold = 0;
683				break;
684			}
685			/* fall through */
686		case TUNER_LG:
687			fw_lme = fw_lg;
688			ret = request_firmware(&fw, fw_lme, &udev->dev);
689			if (ret == 0) {
690				st->dvb_usb_lme2510_firmware = TUNER_LG;
691				break;
692			}
693			st->dvb_usb_lme2510_firmware = TUNER_DEFAULT;
694			break;
695		}
696		break;
697	case 0x1120:
698		switch (st->dvb_usb_lme2510_firmware) {
699		default:
700		case TUNER_S7395:
701			fw_lme = fw_c_s7395;
702			ret = request_firmware(&fw, fw_lme, &udev->dev);
703			if (ret == 0) {
704				st->dvb_usb_lme2510_firmware = TUNER_S7395;
705				cold = 0;
706				break;
707			}
708			/* fall through */
709		case TUNER_LG:
710			fw_lme = fw_c_lg;
711			ret = request_firmware(&fw, fw_lme, &udev->dev);
712			if (ret == 0) {
713				st->dvb_usb_lme2510_firmware = TUNER_LG;
714				break;
715			}
716			/* fall through */
717		case TUNER_S0194:
718			fw_lme = fw_c_s0194;
719			ret = request_firmware(&fw, fw_lme, &udev->dev);
720			if (ret == 0) {
721				st->dvb_usb_lme2510_firmware = TUNER_S0194;
722				break;
723			}
724			st->dvb_usb_lme2510_firmware = TUNER_DEFAULT;
725			cold = 0;
726			break;
727		}
728		break;
729	case 0x22f0:
730		fw_lme = fw_c_rs2000;
731		st->dvb_usb_lme2510_firmware = TUNER_RS2000;
732		break;
733	default:
734		fw_lme = fw_c_s7395;
735	}
736
737	release_firmware(fw);
738
739	if (cold) {
740		dvb_usb_lme2510_firmware = st->dvb_usb_lme2510_firmware;
741		info("FRM Changing to %s firmware", fw_lme);
742		lme_coldreset(d);
743		return NULL;
744	}
745
746	return fw_lme;
747}
748
749static int lme2510_kill_urb(struct usb_data_stream *stream)
750{
751	int i;
752
753	for (i = 0; i < stream->urbs_submitted; i++) {
754		deb_info(3, "killing URB no. %d.", i);
755		/* stop the URB */
756		usb_kill_urb(stream->urb_list[i]);
757	}
758	stream->urbs_submitted = 0;
759
760	return 0;
761}
762
763static struct tda10086_config tda10086_config = {
764	.demod_address = 0x0e,
765	.invert = 0,
766	.diseqc_tone = 1,
767	.xtal_freq = TDA10086_XTAL_16M,
768};
769
770static struct stv0288_config lme_config = {
771	.demod_address = 0x68,
772	.min_delay_ms = 15,
773	.inittab = s7395_inittab,
774};
775
776static struct ix2505v_config lme_tuner = {
777	.tuner_address = 0x60,
778	.min_delay_ms = 100,
779	.tuner_gain = 0x0,
780	.tuner_chargepump = 0x3,
781};
782
783static struct stv0299_config sharp_z0194_config = {
784	.demod_address = 0x68,
785	.inittab = sharp_z0194a_inittab,
786	.mclk = 88000000UL,
787	.invert = 0,
788	.skip_reinit = 0,
789	.lock_output = STV0299_LOCKOUTPUT_1,
790	.volt13_op0_op1 = STV0299_VOLT13_OP1,
791	.min_delay_ms = 100,
792	.set_symbol_rate = sharp_z0194a_set_symbol_rate,
793};
794
795static struct m88rs2000_config m88rs2000_config = {
796	.demod_addr = 0x68
797};
798
799static struct ts2020_config ts2020_config = {
800	.tuner_address = 0x60,
801	.clk_out_div = 7,
802};
803
804static int dm04_lme2510_set_voltage(struct dvb_frontend *fe,
805					fe_sec_voltage_t voltage)
806{
807	struct dvb_usb_device *d = fe_to_d(fe);
808	struct lme2510_state *st = fe_to_priv(fe);
809	static u8 voltage_low[] = LME_VOLTAGE_L;
810	static u8 voltage_high[] = LME_VOLTAGE_H;
811	static u8 rbuf[1];
812	int ret = 0, len = 3, rlen = 1;
813
814	mutex_lock(&d->i2c_mutex);
815
816	switch (voltage) {
817	case SEC_VOLTAGE_18:
818		ret |= lme2510_usb_talk(d,
819			voltage_high, len, rbuf, rlen);
820		break;
821
822	case SEC_VOLTAGE_OFF:
823	case SEC_VOLTAGE_13:
824	default:
825		ret |= lme2510_usb_talk(d,
826				voltage_low, len, rbuf, rlen);
827		break;
828	}
829
830	mutex_unlock(&d->i2c_mutex);
831
832	if (st->tuner_config == TUNER_RS2000)
833		if (st->fe_set_voltage)
834			st->fe_set_voltage(fe, voltage);
835
836
837	return (ret < 0) ? -ENODEV : 0;
838}
839
840static int dm04_read_status(struct dvb_frontend *fe, fe_status_t *status)
841{
842	struct dvb_usb_device *d = fe_to_d(fe);
843	struct lme2510_state *st = d->priv;
844	int ret = 0;
845
846	if (st->i2c_talk_onoff) {
847		if (st->fe_read_status) {
848			ret = st->fe_read_status(fe, status);
849			if (ret < 0)
850				return ret;
851		}
852
853		st->lock_status = *status;
854
855		if (*status & FE_HAS_LOCK && st->stream_on) {
856			mutex_lock(&d->i2c_mutex);
857
858			st->i2c_talk_onoff = 0;
859			ret = lme2510_stream_restart(d);
860
861			mutex_unlock(&d->i2c_mutex);
862		}
863
864		return ret;
865	}
866
867	/* Timeout of interrupt reached on RS2000 */
868	if (st->tuner_config == TUNER_RS2000 &&
869	    time_after(jiffies, st->int_urb_due))
870		st->lock_status &= ~FE_HAS_LOCK;
871
872	*status = st->lock_status;
873
874	if (!(*status & FE_HAS_LOCK))
875		st->i2c_talk_onoff = 1;
876
877	return ret;
878}
879
880static int dm04_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
881{
882	struct lme2510_state *st = fe_to_priv(fe);
883
884	if (st->fe_read_signal_strength && !st->stream_on)
885		return st->fe_read_signal_strength(fe, strength);
886
887	switch (st->tuner_config) {
888	case TUNER_LG:
889		*strength = 0xff - st->signal_level;
890		*strength |= *strength << 8;
891		break;
892	/* fall through */
893	case TUNER_S7395:
894	case TUNER_S0194:
895		*strength = 0xffff - (((st->signal_level * 2) << 8) * 5 / 4);
896		break;
897	case TUNER_RS2000:
898		*strength = (u16)((u32)st->signal_level * 0xffff / 0xff);
899	}
900
901	return 0;
902}
903
904static int dm04_read_snr(struct dvb_frontend *fe, u16 *snr)
905{
906	struct lme2510_state *st = fe_to_priv(fe);
907
908	if (st->fe_read_snr && !st->stream_on)
909		return st->fe_read_snr(fe, snr);
910
911	switch (st->tuner_config) {
912	case TUNER_LG:
913		*snr = 0xff - st->signal_sn;
914		*snr |= *snr << 8;
915		break;
916	/* fall through */
917	case TUNER_S7395:
918	case TUNER_S0194:
919		*snr = (u16)((0xff - st->signal_sn - 0xa1) * 3) << 8;
920		break;
921	case TUNER_RS2000:
922		*snr = (u16)((u32)st->signal_sn * 0xffff / 0x7f);
923	}
924
925	return 0;
926}
927
928static int dm04_read_ber(struct dvb_frontend *fe, u32 *ber)
929{
930	struct lme2510_state *st = fe_to_priv(fe);
931
932	if (st->fe_read_ber && !st->stream_on)
933		return st->fe_read_ber(fe, ber);
934
935	*ber = 0;
936
937	return 0;
938}
939
940static int dm04_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
941{
942	struct lme2510_state *st = fe_to_priv(fe);
943
944	if (st->fe_read_ucblocks && !st->stream_on)
945		return st->fe_read_ucblocks(fe, ucblocks);
946
947	*ucblocks = 0;
948
949	return 0;
950}
951
952static int lme_name(struct dvb_usb_adapter *adap)
953{
954	struct dvb_usb_device *d = adap_to_d(adap);
955	struct lme2510_state *st = adap_to_priv(adap);
956	const char *desc = d->name;
957	char *fe_name[] = {"", " LG TDQY-P001F", " SHARP:BS2F7HZ7395",
958				" SHARP:BS2F7HZ0194", " RS2000"};
959	char *name = adap->fe[0]->ops.info.name;
960
961	strlcpy(name, desc, 128);
962	strlcat(name, fe_name[st->tuner_config], 128);
963
964	return 0;
965}
966
967static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
968{
969	struct dvb_usb_device *d = adap_to_d(adap);
970	struct lme2510_state *st = d->priv;
971	int ret = 0;
972
973	st->i2c_talk_onoff = 1;
974	switch (le16_to_cpu(d->udev->descriptor.idProduct)) {
975	case 0x1122:
976	case 0x1120:
977		st->i2c_gate = 4;
978		adap->fe[0] = dvb_attach(tda10086_attach,
979			&tda10086_config, &d->i2c_adap);
980		if (adap->fe[0]) {
981			info("TUN Found Frontend TDA10086");
982			st->i2c_tuner_gate_w = 4;
983			st->i2c_tuner_gate_r = 4;
984			st->i2c_tuner_addr = 0x60;
985			st->tuner_config = TUNER_LG;
986			if (st->dvb_usb_lme2510_firmware != TUNER_LG) {
987				st->dvb_usb_lme2510_firmware = TUNER_LG;
988				ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV;
989			}
990			break;
991		}
992
993		st->i2c_gate = 4;
994		adap->fe[0] = dvb_attach(stv0299_attach,
995				&sharp_z0194_config, &d->i2c_adap);
996		if (adap->fe[0]) {
997			info("FE Found Stv0299");
998			st->i2c_tuner_gate_w = 4;
999			st->i2c_tuner_gate_r = 5;
1000			st->i2c_tuner_addr = 0x60;
1001			st->tuner_config = TUNER_S0194;
1002			if (st->dvb_usb_lme2510_firmware != TUNER_S0194) {
1003				st->dvb_usb_lme2510_firmware = TUNER_S0194;
1004				ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV;
1005			}
1006			break;
1007		}
1008
1009		st->i2c_gate = 5;
1010		adap->fe[0] = dvb_attach(stv0288_attach, &lme_config,
1011			&d->i2c_adap);
1012
1013		if (adap->fe[0]) {
1014			info("FE Found Stv0288");
1015			st->i2c_tuner_gate_w = 4;
1016			st->i2c_tuner_gate_r = 5;
1017			st->i2c_tuner_addr = 0x60;
1018			st->tuner_config = TUNER_S7395;
1019			if (st->dvb_usb_lme2510_firmware != TUNER_S7395) {
1020				st->dvb_usb_lme2510_firmware = TUNER_S7395;
1021				ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV;
1022			}
1023			break;
1024		}
1025	case 0x22f0:
1026		st->i2c_gate = 5;
1027		adap->fe[0] = dvb_attach(m88rs2000_attach,
1028			&m88rs2000_config, &d->i2c_adap);
1029
1030		if (adap->fe[0]) {
1031			info("FE Found M88RS2000");
1032			dvb_attach(ts2020_attach, adap->fe[0], &ts2020_config,
1033					&d->i2c_adap);
1034			st->i2c_tuner_gate_w = 5;
1035			st->i2c_tuner_gate_r = 5;
1036			st->i2c_tuner_addr = 0x60;
1037			st->tuner_config = TUNER_RS2000;
1038			st->fe_set_voltage =
1039				adap->fe[0]->ops.set_voltage;
1040		}
1041		break;
1042	}
1043
1044	if (adap->fe[0] == NULL) {
1045		info("DM04/QQBOX Not Powered up or not Supported");
1046		return -ENODEV;
1047	}
1048
1049	if (ret) {
1050		if (adap->fe[0]) {
1051			dvb_frontend_detach(adap->fe[0]);
1052			adap->fe[0] = NULL;
1053		}
1054		d->rc_map = NULL;
1055		return -ENODEV;
1056	}
1057
1058	st->fe_read_status = adap->fe[0]->ops.read_status;
1059	st->fe_read_signal_strength = adap->fe[0]->ops.read_signal_strength;
1060	st->fe_read_snr = adap->fe[0]->ops.read_snr;
1061	st->fe_read_ber = adap->fe[0]->ops.read_ber;
1062	st->fe_read_ucblocks = adap->fe[0]->ops.read_ucblocks;
1063
1064	adap->fe[0]->ops.read_status = dm04_read_status;
1065	adap->fe[0]->ops.read_signal_strength = dm04_read_signal_strength;
1066	adap->fe[0]->ops.read_snr = dm04_read_snr;
1067	adap->fe[0]->ops.read_ber = dm04_read_ber;
1068	adap->fe[0]->ops.read_ucblocks = dm04_read_ucblocks;
1069	adap->fe[0]->ops.set_voltage = dm04_lme2510_set_voltage;
1070
1071	ret = lme_name(adap);
1072	return ret;
1073}
1074
1075static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap)
1076{
1077	struct dvb_usb_device *d = adap_to_d(adap);
1078	struct lme2510_state *st = adap_to_priv(adap);
1079	char *tun_msg[] = {"", "TDA8263", "IX2505V", "DVB_PLL_OPERA", "RS2000"};
1080	int ret = 0;
1081
1082	switch (st->tuner_config) {
1083	case TUNER_LG:
1084		if (dvb_attach(tda826x_attach, adap->fe[0], 0x60,
1085			&d->i2c_adap, 1))
1086			ret = st->tuner_config;
1087		break;
1088	case TUNER_S7395:
1089		if (dvb_attach(ix2505v_attach , adap->fe[0], &lme_tuner,
1090			&d->i2c_adap))
1091			ret = st->tuner_config;
1092		break;
1093	case TUNER_S0194:
1094		if (dvb_attach(dvb_pll_attach , adap->fe[0], 0x60,
1095			&d->i2c_adap, DVB_PLL_OPERA1))
1096			ret = st->tuner_config;
1097		break;
1098	case TUNER_RS2000:
1099		ret = st->tuner_config;
1100		break;
1101	default:
1102		break;
1103	}
1104
1105	if (ret)
1106		info("TUN Found %s tuner", tun_msg[ret]);
1107	else {
1108		info("TUN No tuner found --- resetting device");
1109		lme_coldreset(d);
1110		return -ENODEV;
1111	}
1112
1113	/* Start the Interrupt*/
1114	ret = lme2510_int_read(adap);
1115	if (ret < 0) {
1116		info("INT Unable to start Interrupt Service");
1117		return -ENODEV;
1118	}
1119
1120	return ret;
1121}
1122
1123static int lme2510_powerup(struct dvb_usb_device *d, int onoff)
1124{
1125	struct lme2510_state *st = d->priv;
1126	static u8 lnb_on[] = LNB_ON;
1127	static u8 lnb_off[] = LNB_OFF;
1128	static u8 rbuf[1];
1129	int ret = 0, len = 3, rlen = 1;
1130
1131	mutex_lock(&d->i2c_mutex);
1132
1133	if (onoff)
1134		ret = lme2510_usb_talk(d, lnb_on, len, rbuf, rlen);
1135	else
1136		ret = lme2510_usb_talk(d, lnb_off, len, rbuf, rlen);
1137
1138	st->i2c_talk_onoff = 1;
1139
1140	mutex_unlock(&d->i2c_mutex);
1141
1142	return ret;
1143}
1144
1145static int lme2510_get_adapter_count(struct dvb_usb_device *d)
1146{
1147	return 1;
1148}
1149
1150static int lme2510_identify_state(struct dvb_usb_device *d, const char **name)
1151{
1152	struct lme2510_state *st = d->priv;
1153
1154	usb_reset_configuration(d->udev);
1155
1156	usb_set_interface(d->udev,
1157		d->props->bInterfaceNumber, 1);
1158
1159	st->dvb_usb_lme2510_firmware = dvb_usb_lme2510_firmware;
1160
1161	if (lme2510_return_status(d) == 0x44) {
1162		*name = lme_firmware_switch(d, 0);
1163		return COLD;
1164	}
1165
1166	return 0;
1167}
1168
1169static int lme2510_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
1170		struct usb_data_stream_properties *stream)
1171{
1172	struct dvb_usb_adapter *adap = fe_to_adap(fe);
1173	struct dvb_usb_device *d;
1174
1175	if (adap == NULL)
1176		return 0;
1177
1178	d = adap_to_d(adap);
1179
1180	/* Turn PID filter on the fly by module option */
1181	if (pid_filter == 2) {
1182		adap->pid_filtering  = true;
1183		adap->max_feed_count = 15;
1184	}
1185
1186	if (!(le16_to_cpu(d->udev->descriptor.idProduct)
1187		== 0x1122))
1188		stream->endpoint = 0x8;
1189
1190	return 0;
1191}
1192
1193static int lme2510_get_rc_config(struct dvb_usb_device *d,
1194	struct dvb_usb_rc *rc)
1195{
1196	rc->allowed_protos = RC_BIT_NEC;
1197	return 0;
1198}
1199
1200static void *lme2510_exit_int(struct dvb_usb_device *d)
1201{
1202	struct lme2510_state *st = d->priv;
1203	struct dvb_usb_adapter *adap = &d->adapter[0];
1204	void *buffer = NULL;
1205
1206	if (adap != NULL) {
1207		lme2510_kill_urb(&adap->stream);
1208	}
1209
1210	if (st->usb_buffer != NULL) {
1211		st->i2c_talk_onoff = 1;
1212		st->signal_level = 0;
1213		st->signal_sn = 0;
1214		buffer = st->usb_buffer;
1215	}
1216
1217	if (st->lme_urb != NULL) {
1218		usb_kill_urb(st->lme_urb);
1219		usb_free_coherent(d->udev, 128, st->buffer,
1220				  st->lme_urb->transfer_dma);
1221		info("Interrupt Service Stopped");
1222	}
1223
1224	return buffer;
1225}
1226
1227static void lme2510_exit(struct dvb_usb_device *d)
1228{
1229	void *usb_buffer;
1230
1231	if (d != NULL) {
1232		usb_buffer = lme2510_exit_int(d);
1233		kfree(usb_buffer);
1234	}
1235}
1236
1237static struct dvb_usb_device_properties lme2510_props = {
1238	.driver_name = KBUILD_MODNAME,
1239	.owner = THIS_MODULE,
1240	.bInterfaceNumber = 0,
1241	.adapter_nr = adapter_nr,
1242	.size_of_priv = sizeof(struct lme2510_state),
1243
1244	.download_firmware = lme2510_download_firmware,
1245
1246	.power_ctrl       = lme2510_powerup,
1247	.identify_state   = lme2510_identify_state,
1248	.i2c_algo         = &lme2510_i2c_algo,
1249
1250	.frontend_attach  = dm04_lme2510_frontend_attach,
1251	.tuner_attach = dm04_lme2510_tuner,
1252	.get_stream_config = lme2510_get_stream_config,
1253	.get_adapter_count = lme2510_get_adapter_count,
1254	.streaming_ctrl   = lme2510_streaming_ctrl,
1255
1256	.get_rc_config = lme2510_get_rc_config,
1257
1258	.exit = lme2510_exit,
1259	.adapter = {
1260		{
1261			.caps = DVB_USB_ADAP_HAS_PID_FILTER|
1262				DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1263			.pid_filter_count = 15,
1264			.pid_filter = lme2510_pid_filter,
1265			.pid_filter_ctrl  = lme2510_pid_filter_ctrl,
1266			.stream =
1267			DVB_USB_STREAM_BULK(0x86, 10, 4096),
1268		},
1269		{
1270		}
1271	},
1272};
1273
1274static const struct usb_device_id lme2510_id_table[] = {
1275	{	DVB_USB_DEVICE(0x3344, 0x1122, &lme2510_props,
1276		"DM04_LME2510_DVB-S", RC_MAP_LME2510)	},
1277	{	DVB_USB_DEVICE(0x3344, 0x1120, &lme2510_props,
1278		"DM04_LME2510C_DVB-S", RC_MAP_LME2510)	},
1279	{	DVB_USB_DEVICE(0x3344, 0x22f0, &lme2510_props,
1280		"DM04_LME2510C_DVB-S RS2000", RC_MAP_LME2510)	},
1281	{}		/* Terminating entry */
1282};
1283
1284MODULE_DEVICE_TABLE(usb, lme2510_id_table);
1285
1286static struct usb_driver lme2510_driver = {
1287	.name		= KBUILD_MODNAME,
1288	.probe		= dvb_usbv2_probe,
1289	.disconnect	= dvb_usbv2_disconnect,
1290	.id_table	= lme2510_id_table,
1291	.no_dynamic_id = 1,
1292	.soft_unbind = 1,
1293};
1294
1295module_usb_driver(lme2510_driver);
1296
1297MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
1298MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0");
1299MODULE_VERSION("2.06");
1300MODULE_LICENSE("GPL");
1301MODULE_FIRMWARE(LME2510_C_S7395);
1302MODULE_FIRMWARE(LME2510_C_LG);
1303MODULE_FIRMWARE(LME2510_C_S0194);
1304MODULE_FIRMWARE(LME2510_C_RS2000);
1305MODULE_FIRMWARE(LME2510_LG);
1306MODULE_FIRMWARE(LME2510_S0194);
1307
1308