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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / media / usb / dvb-usb-v2 / lmedm04.c
blob62d3566bf7eeb718b22a1f6923b79e0752060f42
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/media/dvb-drivers/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/media/dvb-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
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
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
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
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
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 default:
340 break;
341 }
342
343 /* Interrupt will also throw just BIT 0 as lock */
344 signal_lock |= ibuf[2] & BIT(0);
345
346 if (!signal_lock)
347 st->lock_status &= ~FE_HAS_LOCK;
348
349 lme2510_update_stats(adap);
350
351 debug_data_snipet(5, "INT Remote data snippet in", ibuf);
352 break;
353 case 0xcc:
354 debug_data_snipet(1, "INT Control data snippet", ibuf);
355 break;
356 default:
357 debug_data_snipet(1, "INT Unknown data snippet", ibuf);
358 break;
359 }
360 }
361
362 usb_submit_urb(lme_urb, GFP_ATOMIC);
363
364 /* Interrupt urb is due every 48 msecs while streaming the buffer
365 * stores up to 4 periods if missed. Allow 200 msec for next interrupt.
366 */
367 st->int_urb_due = jiffies + msecs_to_jiffies(200);
368 }
369
370 static int lme2510_int_read(struct dvb_usb_adapter *adap)
371 {
372 struct dvb_usb_device *d = adap_to_d(adap);
373 struct lme2510_state *lme_int = adap_to_priv(adap);
374 struct usb_host_endpoint *ep;
375
376 lme_int->lme_urb = usb_alloc_urb(0, GFP_ATOMIC);
377
378 if (lme_int->lme_urb == NULL)
379 return -ENOMEM;
380
381 usb_fill_int_urb(lme_int->lme_urb,
382 d->udev,
383 usb_rcvintpipe(d->udev, 0xa),
384 lme_int->int_buffer,
385 sizeof(lme_int->int_buffer),
386 lme2510_int_response,
387 adap,
388 8);
389
390 /* Quirk of pipe reporting PIPE_BULK but behaves as interrupt */
391 ep = usb_pipe_endpoint(d->udev, lme_int->lme_urb->pipe);
392
393 if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK)
394 lme_int->lme_urb->pipe = usb_rcvbulkpipe(d->udev, 0xa),
395
396 usb_submit_urb(lme_int->lme_urb, GFP_ATOMIC);
397 info("INT Interrupt Service Started");
398
399 return 0;
400 }
401
402 static int lme2510_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
403 {
404 struct dvb_usb_device *d = adap_to_d(adap);
405 struct lme2510_state *st = adap_to_priv(adap);
406 static u8 clear_pid_reg[] = LME_ALL_PIDS;
407 static u8 rbuf[1];
408 int ret = 0;
409
410 deb_info(1, "PID Clearing Filter");
411
412 mutex_lock(&d->i2c_mutex);
413
414 if (!onoff) {
415 ret |= lme2510_usb_talk(d, clear_pid_reg,
416 sizeof(clear_pid_reg), rbuf, sizeof(rbuf));
417 st->pid_off = true;
418 } else
419 st->pid_off = false;
420
421 st->pid_size = 0;
422
423 mutex_unlock(&d->i2c_mutex);
424
425 return 0;
426 }
427
428 static int lme2510_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
429 int onoff)
430 {
431 struct dvb_usb_device *d = adap_to_d(adap);
432 int ret = 0;
433
434 deb_info(3, "%s PID=%04x Index=%04x onoff=%02x", __func__,
435 pid, index, onoff);
436
437 if (onoff) {
438 mutex_lock(&d->i2c_mutex);
439 ret |= lme2510_enable_pid(d, index, pid);
440 mutex_unlock(&d->i2c_mutex);
441 }
442
443
444 return ret;
445 }
446
447
448 static int lme2510_return_status(struct dvb_usb_device *d)
449 {
450 int ret;
451 u8 *data;
452
453 data = kzalloc(6, GFP_KERNEL);
454 if (!data)
455 return -ENOMEM;
456
457 ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0),
458 0x06, 0x80, 0x0302, 0x00,
459 data, 0x6, 200);
460 if (ret != 6)
461 ret = -EINVAL;
462 else
463 ret = data[2];
464
465 info("Firmware Status: %6ph", data);
466
467 kfree(data);
468 return ret;
469 }
470
471 static int lme2510_msg(struct dvb_usb_device *d,
472 u8 *wbuf, int wlen, u8 *rbuf, int rlen)
473 {
474 struct lme2510_state *st = d->priv;
475
476 st->i2c_talk_onoff = 1;
477
478 return lme2510_usb_talk(d, wbuf, wlen, rbuf, rlen);
479 }
480
481 static int lme2510_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
482 int num)
483 {
484 struct dvb_usb_device *d = i2c_get_adapdata(adap);
485 struct lme2510_state *st = d->priv;
486 static u8 obuf[64], ibuf[64];
487 int i, read, read_o;
488 u16 len;
489 u8 gate = st->i2c_gate;
490
491 mutex_lock(&d->i2c_mutex);
492
493 if (gate == 0)
494 gate = 5;
495
496 for (i = 0; i < num; i++) {
497 read_o = msg[i].flags & I2C_M_RD;
498 read = i + 1 < num && msg[i + 1].flags & I2C_M_RD;
499 read |= read_o;
500 gate = (msg[i].addr == st->i2c_tuner_addr)
501 ? (read) ? st->i2c_tuner_gate_r
502 : st->i2c_tuner_gate_w
503 : st->i2c_gate;
504 obuf[0] = gate | (read << 7);
505
506 if (gate == 5)
507 obuf[1] = (read) ? 2 : msg[i].len + 1;
508 else
509 obuf[1] = msg[i].len + read + 1;
510
511 obuf[2] = msg[i].addr << 1;
512
513 if (read) {
514 if (read_o)
515 len = 3;
516 else {
517 memcpy(&obuf[3], msg[i].buf, msg[i].len);
518 obuf[msg[i].len+3] = msg[i+1].len;
519 len = msg[i].len+4;
520 }
521 } else {
522 memcpy(&obuf[3], msg[i].buf, msg[i].len);
523 len = msg[i].len+3;
524 }
525
526 if (lme2510_msg(d, obuf, len, ibuf, 64) < 0) {
527 deb_info(1, "i2c transfer failed.");
528 mutex_unlock(&d->i2c_mutex);
529 return -EAGAIN;
530 }
531
532 if (read) {
533 if (read_o)
534 memcpy(msg[i].buf, &ibuf[1], msg[i].len);
535 else {
536 memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len);
537 i++;
538 }
539 }
540 }
541
542 mutex_unlock(&d->i2c_mutex);
543 return i;
544 }
545
546 static u32 lme2510_i2c_func(struct i2c_adapter *adapter)
547 {
548 return I2C_FUNC_I2C;
549 }
550
551 static struct i2c_algorithm lme2510_i2c_algo = {
552 .master_xfer = lme2510_i2c_xfer,
553 .functionality = lme2510_i2c_func,
554 };
555
556 static int lme2510_streaming_ctrl(struct dvb_frontend *fe, int onoff)
557 {
558 struct dvb_usb_adapter *adap = fe_to_adap(fe);
559 struct dvb_usb_device *d = adap_to_d(adap);
560 struct lme2510_state *st = adap_to_priv(adap);
561 static u8 clear_reg_3[] = LME_ALL_PIDS;
562 static u8 rbuf[1];
563 int ret = 0, rlen = sizeof(rbuf);
564
565 deb_info(1, "STM (%02x)", onoff);
566
567 /* Streaming is started by FE_HAS_LOCK */
568 if (onoff == 1)
569 st->stream_on = 1;
570 else {
571 deb_info(1, "STM Steam Off");
572 /* mutex is here only to avoid collision with I2C */
573 mutex_lock(&d->i2c_mutex);
574
575 ret = lme2510_usb_talk(d, clear_reg_3,
576 sizeof(clear_reg_3), rbuf, rlen);
577 st->stream_on = 0;
578 st->i2c_talk_onoff = 1;
579
580 mutex_unlock(&d->i2c_mutex);
581 }
582
583 return (ret < 0) ? -ENODEV : 0;
584 }
585
586 static u8 check_sum(u8 *p, u8 len)
587 {
588 u8 sum = 0;
589 while (len--)
590 sum += *p++;
591 return sum;
592 }
593
594 static int lme2510_download_firmware(struct dvb_usb_device *d,
595 const struct firmware *fw)
596 {
597 int ret = 0;
598 u8 *data;
599 u16 j, wlen, len_in, start, end;
600 u8 packet_size, dlen, i;
601 u8 *fw_data;
602
603 packet_size = 0x31;
604 len_in = 1;
605
606 data = kzalloc(128, GFP_KERNEL);
607 if (!data) {
608 info("FRM Could not start Firmware Download"\
609 "(Buffer allocation failed)");
610 return -ENOMEM;
611 }
612
613 info("FRM Starting Firmware Download");
614
615 for (i = 1; i < 3; i++) {
616 start = (i == 1) ? 0 : 512;
617 end = (i == 1) ? 512 : fw->size;
618 for (j = start; j < end; j += (packet_size+1)) {
619 fw_data = (u8 *)(fw->data + j);
620 if ((end - j) > packet_size) {
621 data[0] = i;
622 dlen = packet_size;
623 } else {
624 data[0] = i | 0x80;
625 dlen = (u8)(end - j)-1;
626 }
627 data[1] = dlen;
628 memcpy(&data[2], fw_data, dlen+1);
629 wlen = (u8) dlen + 4;
630 data[wlen-1] = check_sum(fw_data, dlen+1);
631 deb_info(1, "Data S=%02x:E=%02x CS= %02x", data[3],
632 data[dlen+2], data[dlen+3]);
633 lme2510_usb_talk(d, data, wlen, data, len_in);
634 ret |= (data[0] == 0x88) ? 0 : -1;
635 }
636 }
637
638 data[0] = 0x8a;
639 len_in = 1;
640 msleep(2000);
641 lme2510_usb_talk(d, data, len_in, data, len_in);
642 msleep(400);
643
644 if (ret < 0)
645 info("FRM Firmware Download Failed (%04x)" , ret);
646 else
647 info("FRM Firmware Download Completed - Resetting Device");
648
649 kfree(data);
650 return RECONNECTS_USB;
651 }
652
653 static void lme_coldreset(struct dvb_usb_device *d)
654 {
655 u8 data[1] = {0};
656 data[0] = 0x0a;
657 info("FRM Firmware Cold Reset");
658
659 lme2510_usb_talk(d, data, sizeof(data), data, sizeof(data));
660
661 return;
662 }
663
664 static const char fw_c_s7395[] = LME2510_C_S7395;
665 static const char fw_c_lg[] = LME2510_C_LG;
666 static const char fw_c_s0194[] = LME2510_C_S0194;
667 static const char fw_c_rs2000[] = LME2510_C_RS2000;
668 static const char fw_lg[] = LME2510_LG;
669 static const char fw_s0194[] = LME2510_S0194;
670
671 static const char *lme_firmware_switch(struct dvb_usb_device *d, int cold)
672 {
673 struct lme2510_state *st = d->priv;
674 struct usb_device *udev = d->udev;
675 const struct firmware *fw = NULL;
676 const char *fw_lme;
677 int ret = 0;
678
679 cold = (cold > 0) ? (cold & 1) : 0;
680
681 switch (le16_to_cpu(udev->descriptor.idProduct)) {
682 case 0x1122:
683 switch (st->dvb_usb_lme2510_firmware) {
684 default:
685 case TUNER_S0194:
686 fw_lme = fw_s0194;
687 ret = request_firmware(&fw, fw_lme, &udev->dev);
688 if (ret == 0) {
689 st->dvb_usb_lme2510_firmware = TUNER_S0194;
690 cold = 0;
691 break;
692 }
693 /* fall through */
694 case TUNER_LG:
695 fw_lme = fw_lg;
696 ret = request_firmware(&fw, fw_lme, &udev->dev);
697 if (ret == 0) {
698 st->dvb_usb_lme2510_firmware = TUNER_LG;
699 break;
700 }
701 st->dvb_usb_lme2510_firmware = TUNER_DEFAULT;
702 break;
703 }
704 break;
705 case 0x1120:
706 switch (st->dvb_usb_lme2510_firmware) {
707 default:
708 case TUNER_S7395:
709 fw_lme = fw_c_s7395;
710 ret = request_firmware(&fw, fw_lme, &udev->dev);
711 if (ret == 0) {
712 st->dvb_usb_lme2510_firmware = TUNER_S7395;
713 cold = 0;
714 break;
715 }
716 /* fall through */
717 case TUNER_LG:
718 fw_lme = fw_c_lg;
719 ret = request_firmware(&fw, fw_lme, &udev->dev);
720 if (ret == 0) {
721 st->dvb_usb_lme2510_firmware = TUNER_LG;
722 break;
723 }
724 /* fall through */
725 case TUNER_S0194:
726 fw_lme = fw_c_s0194;
727 ret = request_firmware(&fw, fw_lme, &udev->dev);
728 if (ret == 0) {
729 st->dvb_usb_lme2510_firmware = TUNER_S0194;
730 break;
731 }
732 st->dvb_usb_lme2510_firmware = TUNER_DEFAULT;
733 cold = 0;
734 break;
735 }
736 break;
737 case 0x22f0:
738 fw_lme = fw_c_rs2000;
739 st->dvb_usb_lme2510_firmware = TUNER_RS2000;
740 break;
741 default:
742 fw_lme = fw_c_s7395;
743 }
744
745 release_firmware(fw);
746
747 if (cold) {
748 dvb_usb_lme2510_firmware = st->dvb_usb_lme2510_firmware;
749 info("FRM Changing to %s firmware", fw_lme);
750 lme_coldreset(d);
751 return NULL;
752 }
753
754 return fw_lme;
755 }
756
757 static int lme2510_kill_urb(struct usb_data_stream *stream)
758 {
759 int i;
760
761 for (i = 0; i < stream->urbs_submitted; i++) {
762 deb_info(3, "killing URB no. %d.", i);
763 /* stop the URB */
764 usb_kill_urb(stream->urb_list[i]);
765 }
766 stream->urbs_submitted = 0;
767
768 return 0;
769 }
770
771 static struct tda10086_config tda10086_config = {
772 .demod_address = 0x0e,
773 .invert = 0,
774 .diseqc_tone = 1,
775 .xtal_freq = TDA10086_XTAL_16M,
776 };
777
778 static struct stv0288_config lme_config = {
779 .demod_address = 0x68,
780 .min_delay_ms = 15,
781 .inittab = s7395_inittab,
782 };
783
784 static struct ix2505v_config lme_tuner = {
785 .tuner_address = 0x60,
786 .min_delay_ms = 100,
787 .tuner_gain = 0x0,
788 .tuner_chargepump = 0x3,
789 };
790
791 static struct stv0299_config sharp_z0194_config = {
792 .demod_address = 0x68,
793 .inittab = sharp_z0194a_inittab,
794 .mclk = 88000000UL,
795 .invert = 0,
796 .skip_reinit = 0,
797 .lock_output = STV0299_LOCKOUTPUT_1,
798 .volt13_op0_op1 = STV0299_VOLT13_OP1,
799 .min_delay_ms = 100,
800 .set_symbol_rate = sharp_z0194a_set_symbol_rate,
801 };
802
803 static struct m88rs2000_config m88rs2000_config = {
804 .demod_addr = 0x68
805 };
806
807 static struct ts2020_config ts2020_config = {
808 .tuner_address = 0x60,
809 .clk_out_div = 7,
810 .dont_poll = true
811 };
812
813 static int dm04_lme2510_set_voltage(struct dvb_frontend *fe,
814 enum fe_sec_voltage voltage)
815 {
816 struct dvb_usb_device *d = fe_to_d(fe);
817 struct lme2510_state *st = fe_to_priv(fe);
818 static u8 voltage_low[] = LME_VOLTAGE_L;
819 static u8 voltage_high[] = LME_VOLTAGE_H;
820 static u8 rbuf[1];
821 int ret = 0, len = 3, rlen = 1;
822
823 mutex_lock(&d->i2c_mutex);
824
825 switch (voltage) {
826 case SEC_VOLTAGE_18:
827 ret |= lme2510_usb_talk(d,
828 voltage_high, len, rbuf, rlen);
829 break;
830
831 case SEC_VOLTAGE_OFF:
832 case SEC_VOLTAGE_13:
833 default:
834 ret |= lme2510_usb_talk(d,
835 voltage_low, len, rbuf, rlen);
836 break;
837 }
838
839 mutex_unlock(&d->i2c_mutex);
840
841 if (st->tuner_config == TUNER_RS2000)
842 if (st->fe_set_voltage)
843 st->fe_set_voltage(fe, voltage);
844
845
846 return (ret < 0) ? -ENODEV : 0;
847 }
848
849 static int dm04_read_status(struct dvb_frontend *fe, enum fe_status *status)
850 {
851 struct dvb_usb_device *d = fe_to_d(fe);
852 struct lme2510_state *st = d->priv;
853 int ret = 0;
854
855 if (st->i2c_talk_onoff) {
856 if (st->fe_read_status) {
857 ret = st->fe_read_status(fe, status);
858 if (ret < 0)
859 return ret;
860 }
861
862 st->lock_status = *status;
863
864 if (*status & FE_HAS_LOCK && st->stream_on) {
865 mutex_lock(&d->i2c_mutex);
866
867 st->i2c_talk_onoff = 0;
868 ret = lme2510_stream_restart(d);
869
870 mutex_unlock(&d->i2c_mutex);
871 }
872
873 return ret;
874 }
875
876 /* Timeout of interrupt reached on RS2000 */
877 if (st->tuner_config == TUNER_RS2000 &&
878 time_after(jiffies, st->int_urb_due))
879 st->lock_status &= ~FE_HAS_LOCK;
880
881 *status = st->lock_status;
882
883 if (!(*status & FE_HAS_LOCK)) {
884 struct dvb_usb_adapter *adap = fe_to_adap(fe);
885
886 st->i2c_talk_onoff = 1;
887
888 lme2510_update_stats(adap);
889 }
890
891 return ret;
892 }
893
894 static int dm04_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
895 {
896 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
897 struct lme2510_state *st = fe_to_priv(fe);
898
899 if (st->fe_read_signal_strength && !st->stream_on)
900 return st->fe_read_signal_strength(fe, strength);
901
902 if (c->strength.stat[0].scale == FE_SCALE_RELATIVE)
903 *strength = (u16)c->strength.stat[0].uvalue;
904 else
905 *strength = 0;
906
907 return 0;
908 }
909
910 static int dm04_read_snr(struct dvb_frontend *fe, u16 *snr)
911 {
912 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
913 struct lme2510_state *st = fe_to_priv(fe);
914
915 if (st->fe_read_snr && !st->stream_on)
916 return st->fe_read_snr(fe, snr);
917
918 if (c->cnr.stat[0].scale == FE_SCALE_RELATIVE)
919 *snr = (u16)c->cnr.stat[0].uvalue;
920 else
921 *snr = 0;
922
923 return 0;
924 }
925
926 static int dm04_read_ber(struct dvb_frontend *fe, u32 *ber)
927 {
928 struct lme2510_state *st = fe_to_priv(fe);
929
930 if (st->fe_read_ber && !st->stream_on)
931 return st->fe_read_ber(fe, ber);
932
933 *ber = 0;
934
935 return 0;
936 }
937
938 static int dm04_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
939 {
940 struct lme2510_state *st = fe_to_priv(fe);
941
942 if (st->fe_read_ucblocks && !st->stream_on)
943 return st->fe_read_ucblocks(fe, ucblocks);
944
945 *ucblocks = 0;
946
947 return 0;
948 }
949
950 static int lme_name(struct dvb_usb_adapter *adap)
951 {
952 struct dvb_usb_device *d = adap_to_d(adap);
953 struct lme2510_state *st = adap_to_priv(adap);
954 const char *desc = d->name;
955 static const char * const fe_name[] = {
956 "", " LG TDQY-P001F", " SHARP:BS2F7HZ7395",
957 " SHARP:BS2F7HZ0194", " RS2000"};
958 char *name = adap->fe[0]->ops.info.name;
959
960 strscpy(name, desc, 128);
961 strlcat(name, fe_name[st->tuner_config], 128);
962
963 return 0;
964 }
965
966 static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
967 {
968 struct dvb_usb_device *d = adap_to_d(adap);
969 struct lme2510_state *st = d->priv;
970 int ret = 0;
971
972 st->i2c_talk_onoff = 1;
973 switch (le16_to_cpu(d->udev->descriptor.idProduct)) {
974 case 0x1122:
975 case 0x1120:
976 st->i2c_gate = 4;
977 adap->fe[0] = dvb_attach(tda10086_attach,
978 &tda10086_config, &d->i2c_adap);
979 if (adap->fe[0]) {
980 info("TUN Found Frontend TDA10086");
981 st->i2c_tuner_gate_w = 4;
982 st->i2c_tuner_gate_r = 4;
983 st->i2c_tuner_addr = 0x60;
984 st->tuner_config = TUNER_LG;
985 if (st->dvb_usb_lme2510_firmware != TUNER_LG) {
986 st->dvb_usb_lme2510_firmware = TUNER_LG;
987 ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV;
988 }
989 break;
990 }
991
992 st->i2c_gate = 4;
993 adap->fe[0] = dvb_attach(stv0299_attach,
994 &sharp_z0194_config, &d->i2c_adap);
995 if (adap->fe[0]) {
996 info("FE Found Stv0299");
997 st->i2c_tuner_gate_w = 4;
998 st->i2c_tuner_gate_r = 5;
999 st->i2c_tuner_addr = 0x60;
1000 st->tuner_config = TUNER_S0194;
1001 if (st->dvb_usb_lme2510_firmware != TUNER_S0194) {
1002 st->dvb_usb_lme2510_firmware = TUNER_S0194;
1003 ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV;
1004 }
1005 break;
1006 }
1007
1008 st->i2c_gate = 5;
1009 adap->fe[0] = dvb_attach(stv0288_attach, &lme_config,
1010 &d->i2c_adap);
1011
1012 if (adap->fe[0]) {
1013 info("FE Found Stv0288");
1014 st->i2c_tuner_gate_w = 4;
1015 st->i2c_tuner_gate_r = 5;
1016 st->i2c_tuner_addr = 0x60;
1017 st->tuner_config = TUNER_S7395;
1018 if (st->dvb_usb_lme2510_firmware != TUNER_S7395) {
1019 st->dvb_usb_lme2510_firmware = TUNER_S7395;
1020 ret = lme_firmware_switch(d, 1) ? 0 : -ENODEV;
1021 }
1022 break;
1023 }
1024 /* fall through */
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 st->i2c_tuner_gate_w = 5;
1033 st->i2c_tuner_gate_r = 5;
1034 st->i2c_tuner_addr = 0x60;
1035 st->tuner_config = TUNER_RS2000;
1036 st->fe_set_voltage =
1037 adap->fe[0]->ops.set_voltage;
1038 }
1039 break;
1040 }
1041
1042 if (adap->fe[0] == NULL) {
1043 info("DM04/QQBOX Not Powered up or not Supported");
1044 return -ENODEV;
1045 }
1046
1047 if (ret) {
1048 if (adap->fe[0]) {
1049 dvb_frontend_detach(adap->fe[0]);
1050 adap->fe[0] = NULL;
1051 }
1052 d->rc_map = NULL;
1053 return -ENODEV;
1054 }
1055
1056 st->fe_read_status = adap->fe[0]->ops.read_status;
1057 st->fe_read_signal_strength = adap->fe[0]->ops.read_signal_strength;
1058 st->fe_read_snr = adap->fe[0]->ops.read_snr;
1059 st->fe_read_ber = adap->fe[0]->ops.read_ber;
1060 st->fe_read_ucblocks = adap->fe[0]->ops.read_ucblocks;
1061
1062 adap->fe[0]->ops.read_status = dm04_read_status;
1063 adap->fe[0]->ops.read_signal_strength = dm04_read_signal_strength;
1064 adap->fe[0]->ops.read_snr = dm04_read_snr;
1065 adap->fe[0]->ops.read_ber = dm04_read_ber;
1066 adap->fe[0]->ops.read_ucblocks = dm04_read_ucblocks;
1067 adap->fe[0]->ops.set_voltage = dm04_lme2510_set_voltage;
1068
1069 ret = lme_name(adap);
1070 return ret;
1071 }
1072
1073 static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap)
1074 {
1075 struct dvb_usb_device *d = adap_to_d(adap);
1076 struct lme2510_state *st = adap_to_priv(adap);
1077 static const char * const tun_msg[] = {"", "TDA8263", "IX2505V", "DVB_PLL_OPERA", "RS2000"};
1078 int ret = 0;
1079
1080 switch (st->tuner_config) {
1081 case TUNER_LG:
1082 if (dvb_attach(tda826x_attach, adap->fe[0], 0x60,
1083 &d->i2c_adap, 1))
1084 ret = st->tuner_config;
1085 break;
1086 case TUNER_S7395:
1087 if (dvb_attach(ix2505v_attach , adap->fe[0], &lme_tuner,
1088 &d->i2c_adap))
1089 ret = st->tuner_config;
1090 break;
1091 case TUNER_S0194:
1092 if (dvb_attach(dvb_pll_attach , adap->fe[0], 0x60,
1093 &d->i2c_adap, DVB_PLL_OPERA1))
1094 ret = st->tuner_config;
1095 break;
1096 case TUNER_RS2000:
1097 if (dvb_attach(ts2020_attach, adap->fe[0],
1098 &ts2020_config, &d->i2c_adap))
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");
1109 return -ENODEV;
1110 }
1111
1112 /* Start the Interrupt*/
1113 ret = lme2510_int_read(adap);
1114 if (ret < 0) {
1115 info("INT Unable to start Interrupt Service");
1116 return -ENODEV;
1117 }
1118
1119 return ret;
1120 }
1121
1122 static int lme2510_powerup(struct dvb_usb_device *d, int onoff)
1123 {
1124 struct lme2510_state *st = d->priv;
1125 static u8 lnb_on[] = LNB_ON;
1126 static u8 lnb_off[] = LNB_OFF;
1127 static u8 rbuf[1];
1128 int ret = 0, len = 3, rlen = 1;
1129
1130 mutex_lock(&d->i2c_mutex);
1131
1132 ret = lme2510_usb_talk(d, onoff ? lnb_on : lnb_off, len, rbuf, rlen);
1133
1134 st->i2c_talk_onoff = 1;
1135
1136 mutex_unlock(&d->i2c_mutex);
1137
1138 return ret;
1139 }
1140
1141 static int lme2510_get_adapter_count(struct dvb_usb_device *d)
1142 {
1143 return 1;
1144 }
1145
1146 static int lme2510_identify_state(struct dvb_usb_device *d, const char **name)
1147 {
1148 struct lme2510_state *st = d->priv;
1149 int status;
1150
1151 usb_reset_configuration(d->udev);
1152
1153 usb_set_interface(d->udev,
1154 d->props->bInterfaceNumber, 1);
1155
1156 st->dvb_usb_lme2510_firmware = dvb_usb_lme2510_firmware;
1157
1158 status = lme2510_return_status(d);
1159 if (status == 0x44) {
1160 *name = lme_firmware_switch(d, 0);
1161 return COLD;
1162 }
1163
1164 if (status != 0x47)
1165 return -EINVAL;
1166
1167 return WARM;
1168 }
1169
1170 static int lme2510_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
1171 struct usb_data_stream_properties *stream)
1172 {
1173 struct dvb_usb_adapter *adap = fe_to_adap(fe);
1174 struct dvb_usb_device *d;
1175
1176 if (adap == NULL)
1177 return 0;
1178
1179 d = adap_to_d(adap);
1180
1181 /* Turn PID filter on the fly by module option */
1182 if (pid_filter == 2) {
1183 adap->pid_filtering = true;
1184 adap->max_feed_count = 15;
1185 }
1186
1187 if (!(le16_to_cpu(d->udev->descriptor.idProduct)
1188 == 0x1122))
1189 stream->endpoint = 0x8;
1190
1191 return 0;
1192 }
1193
1194 static int lme2510_get_rc_config(struct dvb_usb_device *d,
1195 struct dvb_usb_rc *rc)
1196 {
1197 rc->allowed_protos = RC_PROTO_BIT_NEC32;
1198 return 0;
1199 }
1200
1201 static void lme2510_exit(struct dvb_usb_device *d)
1202 {
1203 struct lme2510_state *st = d->priv;
1204 struct dvb_usb_adapter *adap = &d->adapter[0];
1205
1206 if (adap != NULL) {
1207 lme2510_kill_urb(&adap->stream);
1208 }
1209
1210 if (st->lme_urb) {
1211 usb_kill_urb(st->lme_urb);
1212 usb_free_urb(st->lme_urb);
1213 info("Interrupt Service Stopped");
1214 }
1215 }
1216
1217 static struct dvb_usb_device_properties lme2510_props = {
1218 .driver_name = KBUILD_MODNAME,
1219 .owner = THIS_MODULE,
1220 .bInterfaceNumber = 0,
1221 .adapter_nr = adapter_nr,
1222 .size_of_priv = sizeof(struct lme2510_state),
1223 .generic_bulk_ctrl_endpoint = 0x01,
1224 .generic_bulk_ctrl_endpoint_response = 0x01,
1225
1226 .download_firmware = lme2510_download_firmware,
1227
1228 .power_ctrl = lme2510_powerup,
1229 .identify_state = lme2510_identify_state,
1230 .i2c_algo = &lme2510_i2c_algo,
1231
1232 .frontend_attach = dm04_lme2510_frontend_attach,
1233 .tuner_attach = dm04_lme2510_tuner,
1234 .get_stream_config = lme2510_get_stream_config,
1235 .get_adapter_count = lme2510_get_adapter_count,
1236 .streaming_ctrl = lme2510_streaming_ctrl,
1237
1238 .get_rc_config = lme2510_get_rc_config,
1239
1240 .exit = lme2510_exit,
1241 .adapter = {
1242 {
1243 .caps = DVB_USB_ADAP_HAS_PID_FILTER|
1244 DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
1245 .pid_filter_count = 15,
1246 .pid_filter = lme2510_pid_filter,
1247 .pid_filter_ctrl = lme2510_pid_filter_ctrl,
1248 .stream =
1249 DVB_USB_STREAM_BULK(0x86, 10, 4096),
1250 },
1251 {
1252 }
1253 },
1254 };
1255
1256 static const struct usb_device_id lme2510_id_table[] = {
1257 { DVB_USB_DEVICE(0x3344, 0x1122, &lme2510_props,
1258 "DM04_LME2510_DVB-S", RC_MAP_LME2510) },
1259 { DVB_USB_DEVICE(0x3344, 0x1120, &lme2510_props,
1260 "DM04_LME2510C_DVB-S", RC_MAP_LME2510) },
1261 { DVB_USB_DEVICE(0x3344, 0x22f0, &lme2510_props,
1262 "DM04_LME2510C_DVB-S RS2000", RC_MAP_LME2510) },
1263 {} /* Terminating entry */
1264 };
1265
1266 MODULE_DEVICE_TABLE(usb, lme2510_id_table);
1267
1268 static struct usb_driver lme2510_driver = {
1269 .name = KBUILD_MODNAME,
1270 .probe = dvb_usbv2_probe,
1271 .disconnect = dvb_usbv2_disconnect,
1272 .id_table = lme2510_id_table,
1273 .no_dynamic_id = 1,
1274 .soft_unbind = 1,
1275 };
1276
1277 module_usb_driver(lme2510_driver);
1278
1279 MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
1280 MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0");
1281 MODULE_VERSION("2.07");
1282 MODULE_LICENSE("GPL");
1283 MODULE_FIRMWARE(LME2510_C_S7395);
1284 MODULE_FIRMWARE(LME2510_C_LG);
1285 MODULE_FIRMWARE(LME2510_C_S0194);
1286 MODULE_FIRMWARE(LME2510_C_RS2000);
1287 MODULE_FIRMWARE(LME2510_LG);
1288 MODULE_FIRMWARE(LME2510_S0194);
1289
Linux with added FPC-III support