1 // SPDX-License-Identifier: GPL-2.0-only
2 /* DVB USB compliant linux driver for
3 *
4 * DM04/QQBOX DVB-S USB BOX LME2510C + SHARP:BS2F7HZ7395
5 * LME2510C + LG TDQY-P001F
6 * LME2510C + BS2F7HZ0194
7 * LME2510 + LG TDQY-P001F
8 * LME2510 + BS2F7HZ0194
9 *
10 * MVB7395 (LME2510C+SHARP:BS2F7HZ7395)
11 * SHARP:BS2F7HZ7395 = (STV0288+Sharp IX2505V)
12 *
13 * MV001F (LME2510+LGTDQY-P001F)
14 * LG TDQY - P001F =(TDA8263 + TDA10086H)
15 *
16 * MVB0001F (LME2510C+LGTDQT-P001F)
17 *
18 * MV0194 (LME2510+SHARP:BS2F7HZ0194)
19 * SHARP:BS2F7HZ0194 = (STV0299+IX2410)
20 *
21 * MVB0194 (LME2510C+SHARP0194)
22 *
23 * LME2510C + M88RS2000
24 *
25 * For firmware see Documentation/admin-guide/media/lmedm04.rst
26 *
27 * I2C addresses:
28 * 0xd0 - STV0288 - Demodulator
29 * 0xc0 - Sharp IX2505V - Tuner
30 * --
31 * 0x1c - TDA10086 - Demodulator
32 * 0xc0 - TDA8263 - Tuner
33 * --
34 * 0xd0 - STV0299 - Demodulator
35 * 0xc0 - IX2410 - Tuner
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 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
43 *
44 * Known Issues :
45 * LME2510: Non Intel USB chipsets fail to maintain High Speed on
46 * Boot or Hot Plug.
47 *
48 * QQbox suffers from noise on LNB voltage.
49 *
50 * LME2510: SHARP:BS2F7HZ0194(MV0194) cannot cold reset and share system
51 * with other tuners. After a cold reset streaming will not start.
52 *
53 * M88RS2000 suffers from loss of lock.
54 */
55 #define DVB_USB_LOG_PREFIX "LME2510(C)"
56 #include <linux/usb.h>
57 #include <linux/usb/input.h>
58 #include <media/rc-core.h>
59
60 #include "dvb_usb.h"
61 #include "lmedm04.h"
62 #include "tda826x.h"
63 #include "tda10086.h"
64 #include "stv0288.h"
65 #include "ix2505v.h"
66 #include "stv0299.h"
67 #include "dvb-pll.h"
68 #include "z0194a.h"
69 #include "m88rs2000.h"
70 #include "ts2020.h"
71
72
73 #define LME2510_C_S7395 "dvb-usb-lme2510c-s7395.fw";
74 #define LME2510_C_LG "dvb-usb-lme2510c-lg.fw";
75 #define LME2510_C_S0194 "dvb-usb-lme2510c-s0194.fw";
76 #define LME2510_C_RS2000 "dvb-usb-lme2510c-rs2000.fw";
77 #define LME2510_LG "dvb-usb-lme2510-lg.fw";
78 #define LME2510_S0194 "dvb-usb-lme2510-s0194.fw";
79
80 /* debug */
81 static int dvb_usb_lme2510_debug;
82 #define lme_debug(var, level, args...) do { \
83 if ((var >= level)) \
84 pr_debug(DVB_USB_LOG_PREFIX": " args); \
85 } while (0)
86 #define deb_info(level, args...) lme_debug(dvb_usb_lme2510_debug, level, args)
87 #define debug_data_snipet(level, name, p) \
88 deb_info(level, name" (%8phN)", p);
89 #define info(args...) pr_info(DVB_USB_LOG_PREFIX": "args)
90
91 module_param_named(debug, dvb_usb_lme2510_debug, int, 0644);
92 MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able)).");
93
94 static int dvb_usb_lme2510_firmware;
95 module_param_named(firmware, dvb_usb_lme2510_firmware, int, 0644);
96 MODULE_PARM_DESC(firmware, "set default firmware 0=Sharp7395 1=LG");
97
98 static int pid_filter;
99 module_param_named(pid, pid_filter, int, 0644);
100 MODULE_PARM_DESC(pid, "set default 0=default 1=off 2=on");
101
102
103 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
104
105 #define TUNER_DEFAULT 0x0
106 #define TUNER_LG 0x1
107 #define TUNER_S7395 0x2
108 #define TUNER_S0194 0x3
109 #define TUNER_RS2000 0x4
110
111 struct lme2510_state {
112 unsigned long int_urb_due;
113 enum fe_status lock_status;
114 u8 id;
115 u8 tuner_config;
116 u8 signal_level;
117 u8 signal_sn;
118 u8 time_key;
119 u8 i2c_talk_onoff;
120 u8 i2c_gate;
121 u8 i2c_tuner_gate_w;
122 u8 i2c_tuner_gate_r;
123 u8 i2c_tuner_addr;
124 u8 stream_on;
125 u8 pid_size;
126 u8 pid_off;
127 u8 int_buffer[128];
128 struct urb *lme_urb;
129 u8 usb_buffer[64];
130 /* Frontend original calls */
131 int (*fe_read_status)(struct dvb_frontend *, enum fe_status *);
132 int (*fe_read_signal_strength)(struct dvb_frontend *, u16 *);
133 int (*fe_read_snr)(struct dvb_frontend *, u16 *);
134 int (*fe_read_ber)(struct dvb_frontend *, u32 *);
135 int (*fe_read_ucblocks)(struct dvb_frontend *, u32 *);
136 int (*fe_set_voltage)(struct dvb_frontend *, enum fe_sec_voltage);
137 u8 dvb_usb_lme2510_firmware;
138 };
139
lme2510_usb_talk(struct dvb_usb_device * d,u8 * wbuf,int wlen,u8 * rbuf,int rlen)140 static int lme2510_usb_talk(struct dvb_usb_device *d,
141 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
142 {
143 struct lme2510_state *st = d->priv;
144 int ret = 0;
145
146 if (max(wlen, rlen) > sizeof(st->usb_buffer))
147 return -EINVAL;
148
149 ret = mutex_lock_interruptible(&d->usb_mutex);
150 if (ret < 0)
151 return -EAGAIN;
152
153 memcpy(st->usb_buffer, wbuf, wlen);
154
155 ret = dvb_usbv2_generic_rw_locked(d, st->usb_buffer, wlen,
156 st->usb_buffer, rlen);
157
158 if (rlen)
159 memcpy(rbuf, st->usb_buffer, rlen);
160
161 mutex_unlock(&d->usb_mutex);
162
163 return ret;
164 }
165
lme2510_stream_restart(struct dvb_usb_device * d)166 static int lme2510_stream_restart(struct dvb_usb_device *d)
167 {
168 struct lme2510_state *st = d->priv;
169 u8 all_pids[] = LME_ALL_PIDS;
170 u8 stream_on[] = LME_ST_ON_W;
171 u8 rbuff[1];
172 if (st->pid_off)
173 lme2510_usb_talk(d, all_pids, sizeof(all_pids),
174 rbuff, sizeof(rbuff));
175 /*Restart Stream Command*/
176 return lme2510_usb_talk(d, stream_on, sizeof(stream_on),
177 rbuff, sizeof(rbuff));
178 }
179
lme2510_enable_pid(struct dvb_usb_device * d,u8 index,u16 pid_out)180 static int lme2510_enable_pid(struct dvb_usb_device *d, u8 index, u16 pid_out)
181 {
182 struct lme2510_state *st = d->priv;
183 static u8 pid_buff[] = LME_ZERO_PID;
184 static u8 rbuf[1];
185 u8 pid_no = index * 2;
186 u8 pid_len = pid_no + 2;
187 int ret = 0;
188 deb_info(1, "PID Setting Pid %04x", pid_out);
189
190 if (st->pid_size == 0)
191 ret |= lme2510_stream_restart(d);
192
193 pid_buff[2] = pid_no;
194 pid_buff[3] = (u8)pid_out & 0xff;
195 pid_buff[4] = pid_no + 1;
196 pid_buff[5] = (u8)(pid_out >> 8);
197
198 if (pid_len > st->pid_size)
199 st->pid_size = pid_len;
200 pid_buff[7] = 0x80 + st->pid_size;
201
202 ret |= lme2510_usb_talk(d, pid_buff ,
203 sizeof(pid_buff) , rbuf, sizeof(rbuf));
204
205 if (st->stream_on)
206 ret |= lme2510_stream_restart(d);
207
208 return ret;
209 }
210
211 /* Convert range from 0x00-0xff to 0x0000-0xffff */
212 #define reg_to_16bits(x) ((x) | ((x) << 8))
213
lme2510_update_stats(struct dvb_usb_adapter * adap)214 static void lme2510_update_stats(struct dvb_usb_adapter *adap)
215 {
216 struct lme2510_state *st = adap_to_priv(adap);
217 struct dvb_frontend *fe = adap->fe[0];
218 struct dtv_frontend_properties *c;
219 u32 s_tmp = 0, c_tmp = 0;
220
221 if (!fe)
222 return;
223
224 c = &fe->dtv_property_cache;
225
226 c->block_count.len = 1;
227 c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
228 c->block_error.len = 1;
229 c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
230 c->post_bit_count.len = 1;
231 c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
232 c->post_bit_error.len = 1;
233 c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
234
235 if (st->i2c_talk_onoff) {
236 c->strength.len = 1;
237 c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
238 c->cnr.len = 1;
239 c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
240 return;
241 }
242
243 switch (st->tuner_config) {
244 case TUNER_LG:
245 s_tmp = reg_to_16bits(0xff - st->signal_level);
246 c_tmp = reg_to_16bits(0xff - st->signal_sn);
247 break;
248 case TUNER_S7395:
249 case TUNER_S0194:
250 s_tmp = 0xffff - (((st->signal_level * 2) << 8) * 5 / 4);
251 c_tmp = reg_to_16bits((0xff - st->signal_sn - 0xa1) * 3);
252 break;
253 case TUNER_RS2000:
254 s_tmp = reg_to_16bits(st->signal_level);
255 c_tmp = reg_to_16bits(st->signal_sn);
256 }
257
258 c->strength.len = 1;
259 c->strength.stat[0].scale = FE_SCALE_RELATIVE;
260 c->strength.stat[0].uvalue = (u64)s_tmp;
261
262 c->cnr.len = 1;
263 c->cnr.stat[0].scale = FE_SCALE_RELATIVE;
264 c->cnr.stat[0].uvalue = (u64)c_tmp;
265 }
266
lme2510_int_response(struct urb * lme_urb)267 static void lme2510_int_response(struct urb *lme_urb)
268 {
269 struct dvb_usb_adapter *adap = lme_urb->context;
270 struct lme2510_state *st = adap_to_priv(adap);
271 u8 *ibuf, *rbuf;
272 int i = 0, offset;
273 u32 key;
274 u8 signal_lock = 0;
275
276 switch (lme_urb->status) {
277 case 0:
278 case -ETIMEDOUT:
279 break;
280 case -ECONNRESET:
281 case -ENOENT:
282 case -ESHUTDOWN:
283 return;
284 default:
285 info("Error %x", lme_urb->status);
286 break;
287 }
288
289 rbuf = (u8 *) lme_urb->transfer_buffer;
290
291 offset = ((lme_urb->actual_length/8) > 4)
292 ? 4 : (lme_urb->actual_length/8) ;
293
294 for (i = 0; i < offset; ++i) {
295 ibuf = (u8 *)&rbuf[i*8];
296 deb_info(5, "INT O/S C =%02x C/O=%02x Type =%02x%02x",
297 offset, i, ibuf[0], ibuf[1]);
298
299 switch (ibuf[0]) {
300 case 0xaa:
301 debug_data_snipet(1, "INT Remote data snippet", ibuf);
302 if (!adap_to_d(adap)->rc_dev)
303 break;
304
305 key = RC_SCANCODE_NEC32(ibuf[2] << 24 |
306 ibuf[3] << 16 |
307 ibuf[4] << 8 |
308 ibuf[5]);
309
310 deb_info(1, "INT Key = 0x%08x", key);
311 rc_keydown(adap_to_d(adap)->rc_dev, RC_PROTO_NEC32, key,
312 0);
313 break;
314 case 0xbb:
315 switch (st->tuner_config) {
316 case TUNER_LG:
317 signal_lock = ibuf[2] & BIT(5);
318 st->signal_level = ibuf[4];
319 st->signal_sn = ibuf[3];
320 st->time_key = ibuf[7];
321 break;
322 case TUNER_S7395:
323 case TUNER_S0194:
324 /* Tweak for earlier firmware*/
325 if (ibuf[1] == 0x03) {
326 signal_lock = ibuf[2] & BIT(4);
327 st->signal_level = ibuf[3];
328 st->signal_sn = ibuf[4];
329 } else {
330 st->signal_level = ibuf[4];
331 st->signal_sn = ibuf[5];
332 }
333 break;
334 case TUNER_RS2000:
335 signal_lock = ibuf[2] & 0xee;
336 st->signal_level = ibuf[5];
337 st->signal_sn = ibuf[4];
338 st->time_key = ibuf[7];
339 break;
340 default:
341 break;
342 }
343
344 /* Interrupt will also throw just BIT 0 as lock */
345 signal_lock |= ibuf[2] & BIT(0);
346
347 if (!signal_lock)
348 st->lock_status &= ~FE_HAS_LOCK;
349
350 lme2510_update_stats(adap);
351
352 debug_data_snipet(5, "INT Remote data snippet in", ibuf);
353 break;
354 case 0xcc:
355 debug_data_snipet(1, "INT Control data snippet", ibuf);
356 break;
357 default:
358 debug_data_snipet(1, "INT Unknown data snippet", ibuf);
359 break;
360 }
361 }
362
363 usb_submit_urb(lme_urb, GFP_ATOMIC);
364
365 /* Interrupt urb is due every 48 msecs while streaming the buffer
366 * stores up to 4 periods if missed. Allow 200 msec for next interrupt.
367 */
368 st->int_urb_due = jiffies + msecs_to_jiffies(200);
369 }
370
lme2510_int_read(struct dvb_usb_adapter * adap)371 static int lme2510_int_read(struct dvb_usb_adapter *adap)
372 {
373 struct dvb_usb_device *d = adap_to_d(adap);
374 struct lme2510_state *lme_int = adap_to_priv(adap);
375 struct usb_host_endpoint *ep;
376 int ret;
377
378 lme_int->lme_urb = usb_alloc_urb(0, GFP_KERNEL);
379
380 if (lme_int->lme_urb == NULL)
381 return -ENOMEM;
382
383 usb_fill_int_urb(lme_int->lme_urb,
384 d->udev,
385 usb_rcvintpipe(d->udev, 0xa),
386 lme_int->int_buffer,
387 sizeof(lme_int->int_buffer),
388 lme2510_int_response,
389 adap,
390 8);
391
392 /* Quirk of pipe reporting PIPE_BULK but behaves as interrupt */
393 ep = usb_pipe_endpoint(d->udev, lme_int->lme_urb->pipe);
394 if (!ep) {
395 usb_free_urb(lme_int->lme_urb);
396 return -ENODEV;
397 }
398
399 if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK)
400 lme_int->lme_urb->pipe = usb_rcvbulkpipe(d->udev, 0xa);
401
402 ret = usb_submit_urb(lme_int->lme_urb, GFP_KERNEL);
403 if (ret) {
404 usb_free_urb(lme_int->lme_urb);
405 return ret;
406 }
407
408 info("INT Interrupt Service Started");
409
410 return 0;
411 }
412
lme2510_pid_filter_ctrl(struct dvb_usb_adapter * adap,int onoff)413 static int lme2510_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
414 {
415 struct dvb_usb_device *d = adap_to_d(adap);
416 struct lme2510_state *st = adap_to_priv(adap);
417 static u8 clear_pid_reg[] = LME_ALL_PIDS;
418 static u8 rbuf[1];
419 int ret = 0;
420
421 deb_info(1, "PID Clearing Filter");
422
423 mutex_lock(&d->i2c_mutex);
424
425 if (!onoff) {
426 ret |= lme2510_usb_talk(d, clear_pid_reg,
427 sizeof(clear_pid_reg), rbuf, sizeof(rbuf));
428 st->pid_off = true;
429 } else
430 st->pid_off = false;
431
432 st->pid_size = 0;
433
434 mutex_unlock(&d->i2c_mutex);
435
436 if (ret)
437 return -EREMOTEIO;
438
439 return 0;
440 }
441
lme2510_pid_filter(struct dvb_usb_adapter * adap,int index,u16 pid,int onoff)442 static int lme2510_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
443 int onoff)
444 {
445 struct dvb_usb_device *d = adap_to_d(adap);
446 int ret = 0;
447
448 deb_info(3, "%s PID=%04x Index=%04x onoff=%02x", __func__,
449 pid, index, onoff);
450
451 if (onoff) {
452 mutex_lock(&d->i2c_mutex);
453 ret |= lme2510_enable_pid(d, index, pid);
454 mutex_unlock(&d->i2c_mutex);
455 }
456
457
458 return ret;
459 }
460
461
lme2510_return_status(struct dvb_usb_device * d)462 static int lme2510_return_status(struct dvb_usb_device *d)
463 {
464 int ret;
465 u8 *data;
466
467 data = kzalloc(6, GFP_KERNEL);
468 if (!data)
469 return -ENOMEM;
470
471 ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0),
472 0x06, 0x80, 0x0302, 0x00,
473 data, 0x6, 200);
474 if (ret != 6)
475 ret = -EINVAL;
476 else
477 ret = data[2];
478
479 info("Firmware Status: %6ph", data);
480
481 kfree(data);
482 return ret;
483 }
484
lme2510_msg(struct dvb_usb_device * d,u8 * wbuf,int wlen,u8 * rbuf,int rlen)485 static int lme2510_msg(struct dvb_usb_device *d,
486 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
487 {
488 struct lme2510_state *st = d->priv;
489
490 st->i2c_talk_onoff = 1;
491
492 return lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
493 }
494
lme2510_i2c_xfer(struct i2c_adapter * adap,struct i2c_msg msg[],int num)495 static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
496 int num)
497 {
498 struct dvb_usb_device *d = i2c_get_adapdata(adap);
499 struct lme2510_state *st = d->priv;
500 static u8 obuf[64], ibuf[64];
501 int i, read, read_o;
502 u16 len;
503 u8 gate;
504
505 mutex_lock(&d->i2c_mutex);
506
507 for (i = 0; i < num; i++) {
508 read_o = msg[i].flags & I2C_M_RD;
509 read = i + 1 < num && msg[i + 1].flags & I2C_M_RD;
510 read |= read_o;
511 gate = (msg[i].addr == st->i2c_tuner_addr)
512 ? (read) ? st->i2c_tuner_gate_r
513 : st->i2c_tuner_gate_w
514 : st->i2c_gate;
515 obuf[0] = gate | (read << 7);
516
517 if (gate == 5)
518 obuf[1] = (read) ? 2 : msg[i].len + 1;
519 else
520 obuf[1] = msg[i].len + read + 1;
521
522 obuf[2] = msg[i].addr << 1;
523
524 if (read) {
525 if (read_o)
526 len = 3;
527 else {
528 memcpy(&obuf[3], msg[i].buf, msg[i].len);
529 obuf[msg[i].len+3] = msg[i+1].len;
530 len = msg[i].len+4;
531 }
532 } else {
533 memcpy(&obuf[3], msg[i].buf, msg[i].len);
534 len = msg[i].len+3;
535 }
536
537 if (lme2510_msg(d, obuf, len, ibuf, 64) < 0) {
538 deb_info(1, "i2c transfer failed.");
539 mutex_unlock(&d->i2c_mutex);
540 return -EAGAIN;
541 }
542
543 if (read) {
544 if (read_o)
545 memcpy(msg[i].buf, &ibuf[1], msg[i].len);
546 else {
547 memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len);
548 i++;
549 }
550 }
551 }
552
553 mutex_unlock(&d->i2c_mutex);
554 return i;
555 }
556
lme2510_i2c_func(struct i2c_adapter * adapter)557 static u32 lme2510_i2c_func(struct i2c_adapter *adapter)
558 {
559 return I2C_FUNC_I2C;
560 }
561
562 static struct i2c_algorithm lme2510_i2c_algo = {
563 .master_xfer = lme2510_i2c_xfer,
564 .functionality = lme2510_i2c_func,
565 };
566
lme2510_streaming_ctrl(struct dvb_frontend * fe,int onoff)567 static int lme2510_streaming_ctrl(struct dvb_frontend *fe, int onoff)
568 {
569 struct dvb_usb_adapter *adap = fe_to_adap(fe);
570 struct dvb_usb_device *d = adap_to_d(adap);
571 struct lme2510_state *st = adap_to_priv(adap);
572 static u8 clear_reg_3[] = LME_ALL_PIDS;
573 static u8 rbuf[1];
574 int ret = 0, rlen = sizeof(rbuf);
575
576 deb_info(1, "STM (%02x)", onoff);
577
578 /* Streaming is started by FE_HAS_LOCK */
579 if (onoff == 1)
580 st->stream_on = 1;
581 else {
582 deb_info(1, "STM Steam Off");
583 /* mutex is here only to avoid collision with I2C */
584 mutex_lock(&d->i2c_mutex);
585
586 ret = lme2510_usb_talk(d, clear_reg_3,
587 sizeof(clear_reg_3), rbuf, rlen);
588 st->stream_on = 0;
589 st->i2c_talk_onoff = 1;
590
591 mutex_unlock(&d->i2c_mutex);
592 }
593
594 return (ret < 0) ? -ENODEV : 0;
595 }
596
check_sum(u8 * p,u8 len)597 static u8 check_sum(u8 *p, u8 len)
598 {
599 u8 sum = 0;
600 while (len--)
601 sum += *p++;
602 return sum;
603 }
604
lme2510_download_firmware(struct dvb_usb_device * d,const struct firmware * fw)605 static int lme2510_download_firmware(struct dvb_usb_device *d,
606 const struct firmware *fw)
607 {
608 int ret = 0;
609 u8 *data;
610 u16 j, wlen, len_in, start, end;
611 u8 packet_size, dlen, i;
612 u8 *fw_data;
613
614 packet_size = 0x31;
615 len_in = 1;
616
617 data = kzalloc(128, GFP_KERNEL);
618 if (!data) {
619 info("FRM Could not start Firmware Download"\
620 "(Buffer allocation failed)");
621 return -ENOMEM;
622 }
623
624 info("FRM Starting Firmware Download");
625
626 for (i = 1; i < 3; i++) {
627 start = (i == 1) ? 0 : 512;
628 end = (i == 1) ? 512 : fw->size;
629 for (j = start; j < end; j += (packet_size+1)) {
630 fw_data = (u8 *)(fw->data + j);
631 if ((end - j) > packet_size) {
632 data[0] = i;
633 dlen = packet_size;
634 } else {
635 data[0] = i | 0x80;
636 dlen = (u8)(end - j)-1;
637 }
638 data[1] = dlen;
639 memcpy(&data[2], fw_data, dlen+1);
640 wlen = (u8) dlen + 4;
641 data[wlen-1] = check_sum(fw_data, dlen+1);
642 deb_info(1, "Data S=%02x:E=%02x CS= %02x", data[3],
643 data[dlen+2], data[dlen+3]);
644 lme2510_usb_talk(d, data, wlen, data, len_in);
645 ret |= (data[0] == 0x88) ? 0 : -1;
646 }
647 }
648
649 data[0] = 0x8a;
650 len_in = 1;
651 msleep(2000);
652 lme2510_usb_talk(d, data, len_in, data, len_in);
653 msleep(400);
654
655 if (ret < 0)
656 info("FRM Firmware Download Failed (%04x)" , ret);
657 else
658 info("FRM Firmware Download Completed - Resetting Device");
659
660 kfree(data);
661 return RECONNECTS_USB;
662 }
663
lme_coldreset(struct dvb_usb_device * d)664 static void lme_coldreset(struct dvb_usb_device *d)
665 {
666 u8 data[1] = {0};
667 data[0] = 0x0a;
668 info("FRM Firmware Cold Reset");
669
670 lme2510_usb_talk(d, data, sizeof(data), data, sizeof(data));
671
672 return;
673 }
674
675 static const char fw_c_s7395[] = LME2510_C_S7395;
676 static const char fw_c_lg[] = LME2510_C_LG;
677 static const char fw_c_s0194[] = LME2510_C_S0194;
678 static const char fw_c_rs2000[] = LME2510_C_RS2000;
679 static const char fw_lg[] = LME2510_LG;
680 static const char fw_s0194[] = LME2510_S0194;
681
lme_firmware_switch(struct dvb_usb_device * d,int cold)682 static const char *lme_firmware_switch(struct dvb_usb_device *d, int cold)
683 {
684 struct lme2510_state *st = d->priv;
685 struct usb_device *udev = d->udev;
686 const struct firmware *fw = NULL;
687 const char *fw_lme;
688 int ret = 0;
689
690 cold = (cold > 0) ? (cold & 1) : 0;
691
692 switch (le16_to_cpu(udev->descriptor.idProduct)) {
693 case 0x1122:
694 switch (st->dvb_usb_lme2510_firmware) {
695 default:
696 case TUNER_S0194:
697 fw_lme = fw_s0194;
698 ret = request_firmware(&fw, fw_lme, &udev->dev);
699 if (ret == 0) {
700 st->dvb_usb_lme2510_firmware = TUNER_S0194;
701 cold = 0;
702 break;
703 }
704 fallthrough;
705 case TUNER_LG:
706 fw_lme = fw_lg;
707 ret = request_firmware(&fw, fw_lme, &udev->dev);
708 if (ret == 0) {
709 st->dvb_usb_lme2510_firmware = TUNER_LG;
710 break;
711 }
712 st->dvb_usb_lme2510_firmware = TUNER_DEFAULT;
713 break;
714 }
715 break;
716 case 0x1120:
717 switch (st->dvb_usb_lme2510_firmware) {
718 default:
719 case TUNER_S7395:
720 fw_lme = fw_c_s7395;
721 ret = request_firmware(&fw, fw_lme, &udev->dev);
722 if (ret == 0) {
723 st->dvb_usb_lme2510_firmware = TUNER_S7395;
724 cold = 0;
725 break;
726 }
727 fallthrough;
728 case TUNER_LG:
729 fw_lme = fw_c_lg;
730 ret = request_firmware(&fw, fw_lme, &udev->dev);
731 if (ret == 0) {
732 st->dvb_usb_lme2510_firmware = TUNER_LG;
733 break;
734 }
735 fallthrough;
736 case TUNER_S0194:
737 fw_lme = fw_c_s0194;
738 ret = request_firmware(&fw, fw_lme, &udev->dev);
739 if (ret == 0) {
740 st->dvb_usb_lme2510_firmware = TUNER_S0194;
741 break;
742 }
743 st->dvb_usb_lme2510_firmware = TUNER_DEFAULT;
744 cold = 0;
745 break;
746 }
747 break;
748 case 0x22f0:
749 fw_lme = fw_c_rs2000;
750 st->dvb_usb_lme2510_firmware = TUNER_RS2000;
751 break;
752 default:
753 fw_lme = fw_c_s7395;
754 }
755
756 release_firmware(fw);
757
758 if (cold) {
759 dvb_usb_lme2510_firmware = st->dvb_usb_lme2510_firmware;
760 info("FRM Changing to %s firmware", fw_lme);
761 lme_coldreset(d);
762 return NULL;
763 }
764
765 return fw_lme;
766 }
767
768 static struct tda10086_config tda10086_config = {
769 .demod_address = 0x0e,
770 .invert = 0,
771 .diseqc_tone = 1,
772 .xtal_freq = TDA10086_XTAL_16M,
773 };
774
775 static struct stv0288_config lme_config = {
776 .demod_address = 0x68,
777 .min_delay_ms = 15,
778 .inittab = s7395_inittab,
779 };
780
781 static struct ix2505v_config lme_tuner = {
782 .tuner_address = 0x60,
783 .min_delay_ms = 100,
784 .tuner_gain = 0x0,
785 .tuner_chargepump = 0x3,
786 };
787
788 static struct stv0299_config sharp_z0194_config = {
789 .demod_address = 0x68,
790 .inittab = sharp_z0194a_inittab,
791 .mclk = 88000000UL,
792 .invert = 0,
793 .skip_reinit = 0,
794 .lock_output = STV0299_LOCKOUTPUT_1,
795 .volt13_op0_op1 = STV0299_VOLT13_OP1,
796 .min_delay_ms = 100,
797 .set_symbol_rate = sharp_z0194a_set_symbol_rate,
798 };
799
800 static struct m88rs2000_config m88rs2000_config = {
801 .demod_addr = 0x68
802 };
803
804 static struct ts2020_config ts2020_config = {
805 .tuner_address = 0x60,
806 .clk_out_div = 7,
807 .dont_poll = true
808 };
809
dm04_lme2510_set_voltage(struct dvb_frontend * fe,enum fe_sec_voltage voltage)810 static int dm04_lme2510_set_voltage(struct dvb_frontend *fe,
811 enum fe_sec_voltage voltage)
812 {
813 struct dvb_usb_device *d = fe_to_d(fe);
814 struct lme2510_state *st = fe_to_priv(fe);
815 static u8 voltage_low[] = LME_VOLTAGE_L;
816 static u8 voltage_high[] = LME_VOLTAGE_H;
817 static u8 rbuf[1];
818 int ret = 0, len = 3, rlen = 1;
819
820 mutex_lock(&d->i2c_mutex);
821
822 switch (voltage) {
823 case SEC_VOLTAGE_18:
824 ret |= lme2510_usb_talk(d,
825 voltage_high, len, rbuf, rlen);
826 break;
827
828 case SEC_VOLTAGE_OFF:
829 case SEC_VOLTAGE_13:
830 default:
831 ret |= lme2510_usb_talk(d,
832 voltage_low, len, rbuf, rlen);
833 break;
834 }
835
836 mutex_unlock(&d->i2c_mutex);
837
838 if (st->tuner_config == TUNER_RS2000)
839 if (st->fe_set_voltage)
840 st->fe_set_voltage(fe, voltage);
841
842
843 return (ret < 0) ? -ENODEV : 0;
844 }
845
dm04_read_status(struct dvb_frontend * fe,enum fe_status * status)846 static int dm04_read_status(struct dvb_frontend *fe, enum fe_status *status)
847 {
848 struct dvb_usb_device *d = fe_to_d(fe);
849 struct lme2510_state *st = d->priv;
850 int ret = 0;
851
852 if (st->i2c_talk_onoff) {
853 if (st->fe_read_status) {
854 ret = st->fe_read_status(fe, status);
855 if (ret < 0)
856 return ret;
857 }
858
859 st->lock_status = *status;
860
861 if (*status & FE_HAS_LOCK && st->stream_on) {
862 mutex_lock(&d->i2c_mutex);
863
864 st->i2c_talk_onoff = 0;
865 ret = lme2510_stream_restart(d);
866
867 mutex_unlock(&d->i2c_mutex);
868 }
869
870 return ret;
871 }
872
873 /* Timeout of interrupt reached on RS2000 */
874 if (st->tuner_config == TUNER_RS2000 &&
875 time_after(jiffies, st->int_urb_due))
876 st->lock_status &= ~FE_HAS_LOCK;
877
878 *status = st->lock_status;
879
880 if (!(*status & FE_HAS_LOCK)) {
881 struct dvb_usb_adapter *adap = fe_to_adap(fe);
882
883 st->i2c_talk_onoff = 1;
884
885 lme2510_update_stats(adap);
886 }
887
888 return ret;
889 }
890
dm04_read_signal_strength(struct dvb_frontend * fe,u16 * strength)891 static int dm04_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
892 {
893 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
894 struct lme2510_state *st = fe_to_priv(fe);
895
896 if (st->fe_read_signal_strength && !st->stream_on)
897 return st->fe_read_signal_strength(fe, strength);
898
899 if (c->strength.stat[0].scale == FE_SCALE_RELATIVE)
900 *strength = (u16)c->strength.stat[0].uvalue;
901 else
902 *strength = 0;
903
904 return 0;
905 }
906
dm04_read_snr(struct dvb_frontend * fe,u16 * snr)907 static int dm04_read_snr(struct dvb_frontend *fe, u16 *snr)
908 {
909 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
910 struct lme2510_state *st = fe_to_priv(fe);
911
912 if (st->fe_read_snr && !st->stream_on)
913 return st->fe_read_snr(fe, snr);
914
915 if (c->cnr.stat[0].scale == FE_SCALE_RELATIVE)
916 *snr = (u16)c->cnr.stat[0].uvalue;
917 else
918 *snr = 0;
919
920 return 0;
921 }
922
dm04_read_ber(struct dvb_frontend * fe,u32 * ber)923 static int dm04_read_ber(struct dvb_frontend *fe, u32 *ber)
924 {
925 struct lme2510_state *st = fe_to_priv(fe);
926
927 if (st->fe_read_ber && !st->stream_on)
928 return st->fe_read_ber(fe, ber);
929
930 *ber = 0;
931
932 return 0;
933 }
934
dm04_read_ucblocks(struct dvb_frontend * fe,u32 * ucblocks)935 static int dm04_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
936 {
937 struct lme2510_state *st = fe_to_priv(fe);
938
939 if (st->fe_read_ucblocks && !st->stream_on)
940 return st->fe_read_ucblocks(fe, ucblocks);
941
942 *ucblocks = 0;
943
944 return 0;
945 }
946
lme_name(struct dvb_usb_adapter * adap)947 static int lme_name(struct dvb_usb_adapter *adap)
948 {
949 struct dvb_usb_device *d = adap_to_d(adap);
950 struct lme2510_state *st = adap_to_priv(adap);
951 const char *desc = d->name;
952 static const char * const fe_name[] = {
953 "", " LG TDQY-P001F", " SHARP:BS2F7HZ7395",
954 " SHARP:BS2F7HZ0194", " RS2000"};
955 char *name = adap->fe[0]->ops.info.name;
956
957 strscpy(name, desc, 128);
958 strlcat(name, fe_name[st->tuner_config], 128);
959
960 return 0;
961 }
962
dm04_lme2510_frontend_attach(struct dvb_usb_adapter * adap)963 static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
964 {
965 struct dvb_usb_device *d = adap_to_d(adap);
966 struct lme2510_state *st = d->priv;
967 int ret = 0;
968
969 st->i2c_talk_onoff = 1;
970 switch (le16_to_cpu(d->udev->descriptor.idProduct)) {
971 case 0x1122:
972 case 0x1120:
973 st->i2c_gate = 4;
974 adap->fe[0] = dvb_attach(tda10086_attach,
975 &tda10086_config, &d->i2c_adap);
976 if (adap->fe[0]) {
977 info("TUN Found Frontend TDA10086");
978 st->i2c_tuner_gate_w = 4;
979 st->i2c_tuner_gate_r = 4;
980 st->i2c_tuner_addr = 0x60;
981 st->tuner_config = TUNER_LG;
982 if (st->dvb_usb_lme2510_firmware != TUNER_LG) {
983 st->dvb_usb_lme2510_firmware = TUNER_LG;
984 ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV;
985 }
986 break;
987 }
988
989 st->i2c_gate = 4;
990 adap->fe[0] = dvb_attach(stv0299_attach,
991 &sharp_z0194_config, &d->i2c_adap);
992 if (adap->fe[0]) {
993 info("FE Found Stv0299");
994 st->i2c_tuner_gate_w = 4;
995 st->i2c_tuner_gate_r = 5;
996 st->i2c_tuner_addr = 0x60;
997 st->tuner_config = TUNER_S0194;
998 if (st->dvb_usb_lme2510_firmware != TUNER_S0194) {
999 st->dvb_usb_lme2510_firmware = TUNER_S0194;
1000 ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV;
1001 }
1002 break;
1003 }
1004
1005 st->i2c_gate = 5;
1006 adap->fe[0] = dvb_attach(stv0288_attach, &lme_config,
1007 &d->i2c_adap);
1008
1009 if (adap->fe[0]) {
1010 info("FE Found Stv0288");
1011 st->i2c_tuner_gate_w = 4;
1012 st->i2c_tuner_gate_r = 5;
1013 st->i2c_tuner_addr = 0x60;
1014 st->tuner_config = TUNER_S7395;
1015 if (st->dvb_usb_lme2510_firmware != TUNER_S7395) {
1016 st->dvb_usb_lme2510_firmware = TUNER_S7395;
1017 ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV;
1018 }
1019 break;
1020 }
1021 fallthrough;
1022 case 0x22f0:
1023 st->i2c_gate = 5;
1024 adap->fe[0] = dvb_attach(m88rs2000_attach,
1025 &m88rs2000_config, &d->i2c_adap);
1026
1027 if (adap->fe[0]) {
1028 info("FE Found M88RS2000");
1029 st->i2c_tuner_gate_w = 5;
1030 st->i2c_tuner_gate_r = 5;
1031 st->i2c_tuner_addr = 0x60;
1032 st->tuner_config = TUNER_RS2000;
1033 st->fe_set_voltage =
1034 adap->fe[0]->ops.set_voltage;
1035 }
1036 break;
1037 }
1038
1039 if (adap->fe[0] == NULL) {
1040 info("DM04/QQBOX Not Powered up or not Supported");
1041 return -ENODEV;
1042 }
1043
1044 if (ret) {
1045 if (adap->fe[0]) {
1046 dvb_frontend_detach(adap->fe[0]);
1047 adap->fe[0] = NULL;
1048 }
1049 d->rc_map = NULL;
1050 return -ENODEV;
1051 }
1052
1053 st->fe_read_status = adap->fe[0]->ops.read_status;
1054 st->fe_read_signal_strength = adap->fe[0]->ops.read_signal_strength;
1055 st->fe_read_snr = adap->fe[0]->ops.read_snr;
1056 st->fe_read_ber = adap->fe[0]->ops.read_ber;
1057 st->fe_read_ucblocks = adap->fe[0]->ops.read_ucblocks;
1058
1059 adap->fe[0]->ops.read_status = dm04_read_status;
1060 adap->fe[0]->ops.read_signal_strength = dm04_read_signal_strength;
1061 adap->fe[0]->ops.read_snr = dm04_read_snr;
1062 adap->fe[0]->ops.read_ber = dm04_read_ber;
1063 adap->fe[0]->ops.read_ucblocks = dm04_read_ucblocks;
1064 adap->fe[0]->ops.set_voltage = dm04_lme2510_set_voltage;
1065
1066 ret = lme_name(adap);
1067 return ret;
1068 }
1069
dm04_lme2510_tuner(struct dvb_usb_adapter * adap)1070 static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap)
1071 {
1072 struct dvb_usb_device *d = adap_to_d(adap);
1073 struct lme2510_state *st = adap_to_priv(adap);
1074 static const char * const tun_msg[] = {"", "TDA8263", "IX2505V", "DVB_PLL_OPERA", "RS2000"};
1075 int ret = 0;
1076
1077 switch (st->tuner_config) {
1078 case TUNER_LG:
1079 if (dvb_attach(tda826x_attach, adap->fe[0], 0x60,
1080 &d->i2c_adap, 1))
1081 ret = st->tuner_config;
1082 break;
1083 case TUNER_S7395:
1084 if (dvb_attach(ix2505v_attach , adap->fe[0], &lme_tuner,
1085 &d->i2c_adap))
1086 ret = st->tuner_config;
1087 break;
1088 case TUNER_S0194:
1089 if (dvb_attach(dvb_pll_attach , adap->fe[0], 0x60,
1090 &d->i2c_adap, DVB_PLL_OPERA1))
1091 ret = st->tuner_config;
1092 break;
1093 case TUNER_RS2000:
1094 if (dvb_attach(ts2020_attach, adap->fe[0],
1095 &ts2020_config, &d->i2c_adap))
1096 ret = st->tuner_config;
1097 break;
1098 default:
1099 break;
1100 }
1101
1102 if (ret) {
1103 info("TUN Found %s tuner", tun_msg[ret]);
1104 } else {
1105 info("TUN No tuner found");
1106 return -ENODEV;
1107 }
1108
1109 /* Start the Interrupt*/
1110 ret = lme2510_int_read(adap);
1111 if (ret < 0) {
1112 info("INT Unable to start Interrupt Service");
1113 return -ENODEV;
1114 }
1115
1116 return ret;
1117 }
1118
lme2510_powerup(struct dvb_usb_device * d,int onoff)1119 static int lme2510_powerup(struct dvb_usb_device *d, int onoff)
1120 {
1121 struct lme2510_state *st = d->priv;
1122 static u8 lnb_on[] = LNB_ON;
1123 static u8 lnb_off[] = LNB_OFF;
1124 static u8 rbuf[1];
1125 int ret = 0, len = 3, rlen = 1;
1126
1127 mutex_lock(&d->i2c_mutex);
1128
1129 ret = lme2510_usb_talk(d, onoff ? lnb_on : lnb_off, len, rbuf, rlen);
1130
1131 st->i2c_talk_onoff = 1;
1132
1133 mutex_unlock(&d->i2c_mutex);
1134
1135 return ret;
1136 }
1137
lme2510_identify_state(struct dvb_usb_device * d,const char ** name)1138 static int lme2510_identify_state(struct dvb_usb_device *d, const char **name)
1139 {
1140 struct lme2510_state *st = d->priv;
1141 int status;
1142
1143 usb_reset_configuration(d->udev);
1144
1145 usb_set_interface(d->udev,
1146 d->props->bInterfaceNumber, 1);
1147
1148 st->dvb_usb_lme2510_firmware = dvb_usb_lme2510_firmware;
1149
1150 status = lme2510_return_status(d);
1151 if (status == 0x44) {
1152 *name = lme_firmware_switch(d, 0);
1153 return COLD;
1154 }
1155
1156 if (status != 0x47)
1157 return -EINVAL;
1158
1159 return WARM;
1160 }
1161
lme2510_get_stream_config(struct dvb_frontend * fe,u8 * ts_type,struct usb_data_stream_properties * stream)1162 static int lme2510_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
1163 struct usb_data_stream_properties *stream)
1164 {
1165 struct dvb_usb_adapter *adap = fe_to_adap(fe);
1166 struct dvb_usb_device *d;
1167
1168 if (adap == NULL)
1169 return 0;
1170
1171 d = adap_to_d(adap);
1172
1173 /* Turn PID filter on the fly by module option */
1174 if (pid_filter == 2) {
1175 adap->pid_filtering = true;
1176 adap->max_feed_count = 15;
1177 }
1178
1179 if (!(le16_to_cpu(d->udev->descriptor.idProduct)
1180 == 0x1122))
1181 stream->endpoint = 0x8;
1182
1183 return 0;
1184 }
1185
lme2510_get_rc_config(struct dvb_usb_device * d,struct dvb_usb_rc * rc)1186 static int lme2510_get_rc_config(struct dvb_usb_device *d,
1187 struct dvb_usb_rc *rc)
1188 {
1189 rc->allowed_protos = RC_PROTO_BIT_NEC32;
1190 return 0;
1191 }
1192
lme2510_exit(struct dvb_usb_device * d)1193 static void lme2510_exit(struct dvb_usb_device *d)
1194 {
1195 struct lme2510_state *st = d->priv;
1196
1197 if (st->lme_urb) {
1198 usb_kill_urb(st->lme_urb);
1199 usb_free_urb(st->lme_urb);
1200 info("Interrupt Service Stopped");
1201 }
1202 }
1203
1204 static struct dvb_usb_device_properties lme2510_props = {
1205 .driver_name = KBUILD_MODNAME,
1206 .owner = THIS_MODULE,
1207 .bInterfaceNumber = 0,
1208 .adapter_nr = adapter_nr,
1209 .size_of_priv = sizeof(struct lme2510_state),
1210 .generic_bulk_ctrl_endpoint = 0x01,
1211 .generic_bulk_ctrl_endpoint_response = 0x01,
1212
1213 .download_firmware = lme2510_download_firmware,
1214
1215 .power_ctrl = lme2510_powerup,
1216 .identify_state = lme2510_identify_state,
1217 .i2c_algo = &lme2510_i2c_algo,
1218
1219 .frontend_attach = dm04_lme2510_frontend_attach,
1220 .tuner_attach = dm04_lme2510_tuner,
1221 .get_stream_config = lme2510_get_stream_config,
1222 .streaming_ctrl = lme2510_streaming_ctrl,
1223
1224 .get_rc_config = lme2510_get_rc_config,
1225
1226 .exit = lme2510_exit,
1227 .num_adapters = 1,
1228 .adapter = {
1229 {
1230 .caps = DVB_USB_ADAP_HAS_PID_FILTER|
1231 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1232 .pid_filter_count = 15,
1233 .pid_filter = lme2510_pid_filter,
1234 .pid_filter_ctrl = lme2510_pid_filter_ctrl,
1235 .stream =
1236 DVB_USB_STREAM_BULK(0x86, 10, 4096),
1237 },
1238 },
1239 };
1240
1241 static const struct usb_device_id lme2510_id_table[] = {
1242 { DVB_USB_DEVICE(0x3344, 0x1122, &lme2510_props,
1243 "DM04_LME2510_DVB-S", RC_MAP_LME2510) },
1244 { DVB_USB_DEVICE(0x3344, 0x1120, &lme2510_props,
1245 "DM04_LME2510C_DVB-S", RC_MAP_LME2510) },
1246 { DVB_USB_DEVICE(0x3344, 0x22f0, &lme2510_props,
1247 "DM04_LME2510C_DVB-S RS2000", RC_MAP_LME2510) },
1248 {} /* Terminating entry */
1249 };
1250
1251 MODULE_DEVICE_TABLE(usb, lme2510_id_table);
1252
1253 static struct usb_driver lme2510_driver = {
1254 .name = KBUILD_MODNAME,
1255 .probe = dvb_usbv2_probe,
1256 .disconnect = dvb_usbv2_disconnect,
1257 .id_table = lme2510_id_table,
1258 .no_dynamic_id = 1,
1259 .soft_unbind = 1,
1260 };
1261
1262 module_usb_driver(lme2510_driver);
1263
1264 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
1265 MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0");
1266 MODULE_VERSION("2.07");
1267 MODULE_LICENSE("GPL");
1268 MODULE_FIRMWARE(LME2510_C_S7395);
1269 MODULE_FIRMWARE(LME2510_C_LG);
1270 MODULE_FIRMWARE(LME2510_C_S0194);
1271 MODULE_FIRMWARE(LME2510_C_RS2000);
1272 MODULE_FIRMWARE(LME2510_LG);
1273 MODULE_FIRMWARE(LME2510_S0194);
1274
1275