1 /*
2 * Silicon Labs Si2168 DVB-T/T2/C demodulator driver
3 *
4 * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 */
16
17 #include "si2168_priv.h"
18
19 static const struct dvb_frontend_ops si2168_ops;
20
21 /* execute firmware command */
si2168_cmd_execute(struct si2168 * s,struct si2168_cmd * cmd)22 static int si2168_cmd_execute(struct si2168 *s, struct si2168_cmd *cmd)
23 {
24 int ret;
25 unsigned long timeout;
26
27 mutex_lock(&s->i2c_mutex);
28
29 if (cmd->wlen) {
30 /* write cmd and args for firmware */
31 ret = i2c_master_send(s->client, cmd->args, cmd->wlen);
32 if (ret < 0) {
33 goto err_mutex_unlock;
34 } else if (ret != cmd->wlen) {
35 ret = -EREMOTEIO;
36 goto err_mutex_unlock;
37 }
38 }
39
40 if (cmd->rlen) {
41 /* wait cmd execution terminate */
42 #define TIMEOUT 50
43 timeout = jiffies + msecs_to_jiffies(TIMEOUT);
44 while (!time_after(jiffies, timeout)) {
45 ret = i2c_master_recv(s->client, cmd->args, cmd->rlen);
46 if (ret < 0) {
47 goto err_mutex_unlock;
48 } else if (ret != cmd->rlen) {
49 ret = -EREMOTEIO;
50 goto err_mutex_unlock;
51 }
52
53 /* firmware ready? */
54 if ((cmd->args[0] >> 7) & 0x01)
55 break;
56 }
57
58 dev_dbg(&s->client->dev, "cmd execution took %d ms\n",
59 jiffies_to_msecs(jiffies) -
60 (jiffies_to_msecs(timeout) - TIMEOUT));
61
62 if (!((cmd->args[0] >> 7) & 0x01)) {
63 ret = -ETIMEDOUT;
64 goto err_mutex_unlock;
65 }
66 }
67
68 ret = 0;
69
70 err_mutex_unlock:
71 mutex_unlock(&s->i2c_mutex);
72 if (ret)
73 goto err;
74
75 return 0;
76 err:
77 dev_dbg(&s->client->dev, "failed=%d\n", ret);
78 return ret;
79 }
80
si2168_read_status(struct dvb_frontend * fe,fe_status_t * status)81 static int si2168_read_status(struct dvb_frontend *fe, fe_status_t *status)
82 {
83 struct si2168 *s = fe->demodulator_priv;
84 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
85 int ret;
86 struct si2168_cmd cmd;
87
88 *status = 0;
89
90 if (!s->active) {
91 ret = -EAGAIN;
92 goto err;
93 }
94
95 switch (c->delivery_system) {
96 case SYS_DVBT:
97 memcpy(cmd.args, "\xa0\x01", 2);
98 cmd.wlen = 2;
99 cmd.rlen = 13;
100 break;
101 case SYS_DVBC_ANNEX_A:
102 memcpy(cmd.args, "\x90\x01", 2);
103 cmd.wlen = 2;
104 cmd.rlen = 9;
105 break;
106 case SYS_DVBT2:
107 memcpy(cmd.args, "\x50\x01", 2);
108 cmd.wlen = 2;
109 cmd.rlen = 14;
110 break;
111 default:
112 ret = -EINVAL;
113 goto err;
114 }
115
116 ret = si2168_cmd_execute(s, &cmd);
117 if (ret)
118 goto err;
119
120 /*
121 * Possible values seen, in order from strong signal to weak:
122 * 16 0001 0110 full lock
123 * 1e 0001 1110 partial lock
124 * 1a 0001 1010 partial lock
125 * 18 0001 1000 no lock
126 *
127 * [b3:b1] lock bits
128 * [b4] statistics ready? Set in a few secs after lock is gained.
129 */
130
131 switch ((cmd.args[2] >> 1) & 0x03) {
132 case 0x01:
133 *status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
134 break;
135 case 0x03:
136 *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
137 FE_HAS_SYNC | FE_HAS_LOCK;
138 break;
139 }
140
141 s->fe_status = *status;
142
143 if (*status & FE_HAS_LOCK) {
144 c->cnr.len = 1;
145 c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
146 c->cnr.stat[0].svalue = cmd.args[3] * 1000 / 4;
147 } else {
148 c->cnr.len = 1;
149 c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
150 }
151
152 dev_dbg(&s->client->dev, "status=%02x args=%*ph\n",
153 *status, cmd.rlen, cmd.args);
154
155 return 0;
156 err:
157 dev_dbg(&s->client->dev, "failed=%d\n", ret);
158 return ret;
159 }
160
si2168_set_frontend(struct dvb_frontend * fe)161 static int si2168_set_frontend(struct dvb_frontend *fe)
162 {
163 struct si2168 *s = fe->demodulator_priv;
164 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
165 int ret;
166 struct si2168_cmd cmd;
167 u8 bandwidth, delivery_system;
168
169 dev_dbg(&s->client->dev,
170 "delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%u, stream_id=%d\n",
171 c->delivery_system, c->modulation,
172 c->frequency, c->bandwidth_hz, c->symbol_rate,
173 c->inversion, c->stream_id);
174
175 if (!s->active) {
176 ret = -EAGAIN;
177 goto err;
178 }
179
180 switch (c->delivery_system) {
181 case SYS_DVBT:
182 delivery_system = 0x20;
183 break;
184 case SYS_DVBC_ANNEX_A:
185 delivery_system = 0x30;
186 break;
187 case SYS_DVBT2:
188 delivery_system = 0x70;
189 break;
190 default:
191 ret = -EINVAL;
192 goto err;
193 }
194
195 if (c->bandwidth_hz <= 5000000)
196 bandwidth = 0x05;
197 else if (c->bandwidth_hz <= 6000000)
198 bandwidth = 0x06;
199 else if (c->bandwidth_hz <= 7000000)
200 bandwidth = 0x07;
201 else if (c->bandwidth_hz <= 8000000)
202 bandwidth = 0x08;
203 else if (c->bandwidth_hz <= 9000000)
204 bandwidth = 0x09;
205 else if (c->bandwidth_hz <= 10000000)
206 bandwidth = 0x0a;
207 else
208 bandwidth = 0x0f;
209
210 /* program tuner */
211 if (fe->ops.tuner_ops.set_params) {
212 ret = fe->ops.tuner_ops.set_params(fe);
213 if (ret)
214 goto err;
215 }
216
217 memcpy(cmd.args, "\x88\x02\x02\x02\x02", 5);
218 cmd.wlen = 5;
219 cmd.rlen = 5;
220 ret = si2168_cmd_execute(s, &cmd);
221 if (ret)
222 goto err;
223
224 /* that has no big effect */
225 if (c->delivery_system == SYS_DVBT)
226 memcpy(cmd.args, "\x89\x21\x06\x11\xff\x98", 6);
227 else if (c->delivery_system == SYS_DVBC_ANNEX_A)
228 memcpy(cmd.args, "\x89\x21\x06\x11\x89\xf0", 6);
229 else if (c->delivery_system == SYS_DVBT2)
230 memcpy(cmd.args, "\x89\x21\x06\x11\x89\x20", 6);
231 cmd.wlen = 6;
232 cmd.rlen = 3;
233 ret = si2168_cmd_execute(s, &cmd);
234 if (ret)
235 goto err;
236
237 if (c->delivery_system == SYS_DVBT2) {
238 /* select PLP */
239 cmd.args[0] = 0x52;
240 cmd.args[1] = c->stream_id & 0xff;
241 cmd.args[2] = c->stream_id == NO_STREAM_ID_FILTER ? 0 : 1;
242 cmd.wlen = 3;
243 cmd.rlen = 1;
244 ret = si2168_cmd_execute(s, &cmd);
245 if (ret)
246 goto err;
247 }
248
249 memcpy(cmd.args, "\x51\x03", 2);
250 cmd.wlen = 2;
251 cmd.rlen = 12;
252 ret = si2168_cmd_execute(s, &cmd);
253 if (ret)
254 goto err;
255
256 memcpy(cmd.args, "\x12\x08\x04", 3);
257 cmd.wlen = 3;
258 cmd.rlen = 3;
259 ret = si2168_cmd_execute(s, &cmd);
260 if (ret)
261 goto err;
262
263 memcpy(cmd.args, "\x14\x00\x0c\x10\x12\x00", 6);
264 cmd.wlen = 6;
265 cmd.rlen = 4;
266 ret = si2168_cmd_execute(s, &cmd);
267 if (ret)
268 goto err;
269
270 memcpy(cmd.args, "\x14\x00\x06\x10\x24\x00", 6);
271 cmd.wlen = 6;
272 cmd.rlen = 4;
273 ret = si2168_cmd_execute(s, &cmd);
274 if (ret)
275 goto err;
276
277 memcpy(cmd.args, "\x14\x00\x07\x10\x00\x24", 6);
278 cmd.wlen = 6;
279 cmd.rlen = 4;
280 ret = si2168_cmd_execute(s, &cmd);
281 if (ret)
282 goto err;
283
284 memcpy(cmd.args, "\x14\x00\x0a\x10\x00\x00", 6);
285 cmd.args[4] = delivery_system | bandwidth;
286 cmd.wlen = 6;
287 cmd.rlen = 4;
288 ret = si2168_cmd_execute(s, &cmd);
289 if (ret)
290 goto err;
291
292 /* set DVB-C symbol rate */
293 if (c->delivery_system == SYS_DVBC_ANNEX_A) {
294 memcpy(cmd.args, "\x14\x00\x02\x11", 4);
295 cmd.args[4] = (c->symbol_rate / 1000) & 0xff;
296 cmd.args[5] = ((c->symbol_rate / 1000) >> 8) & 0xff;
297 cmd.wlen = 6;
298 cmd.rlen = 4;
299 ret = si2168_cmd_execute(s, &cmd);
300 if (ret)
301 goto err;
302 }
303
304 memcpy(cmd.args, "\x14\x00\x0f\x10\x10\x00", 6);
305 cmd.wlen = 6;
306 cmd.rlen = 4;
307 ret = si2168_cmd_execute(s, &cmd);
308 if (ret)
309 goto err;
310
311 memcpy(cmd.args, "\x14\x00\x09\x10\xe3\x18", 6);
312 cmd.wlen = 6;
313 cmd.rlen = 4;
314 ret = si2168_cmd_execute(s, &cmd);
315 if (ret)
316 goto err;
317
318 memcpy(cmd.args, "\x14\x00\x08\x10\xd7\x15", 6);
319 cmd.wlen = 6;
320 cmd.rlen = 4;
321 ret = si2168_cmd_execute(s, &cmd);
322 if (ret)
323 goto err;
324
325 memcpy(cmd.args, "\x14\x00\x01\x12\x00\x00", 6);
326 cmd.wlen = 6;
327 cmd.rlen = 4;
328 ret = si2168_cmd_execute(s, &cmd);
329 if (ret)
330 goto err;
331
332 memcpy(cmd.args, "\x14\x00\x01\x03\x0c\x00", 6);
333 cmd.wlen = 6;
334 cmd.rlen = 4;
335 ret = si2168_cmd_execute(s, &cmd);
336 if (ret)
337 goto err;
338
339 memcpy(cmd.args, "\x85", 1);
340 cmd.wlen = 1;
341 cmd.rlen = 1;
342 ret = si2168_cmd_execute(s, &cmd);
343 if (ret)
344 goto err;
345
346 s->delivery_system = c->delivery_system;
347
348 return 0;
349 err:
350 dev_dbg(&s->client->dev, "failed=%d\n", ret);
351 return ret;
352 }
353
si2168_init(struct dvb_frontend * fe)354 static int si2168_init(struct dvb_frontend *fe)
355 {
356 struct si2168 *s = fe->demodulator_priv;
357 int ret, len, remaining;
358 const struct firmware *fw = NULL;
359 u8 *fw_file;
360 const unsigned int i2c_wr_max = 8;
361 struct si2168_cmd cmd;
362 unsigned int chip_id;
363
364 dev_dbg(&s->client->dev, "\n");
365
366 /* initialize */
367 memcpy(cmd.args, "\xc0\x12\x00\x0c\x00\x0d\x16\x00\x00\x00\x00\x00\x00", 13);
368 cmd.wlen = 13;
369 cmd.rlen = 0;
370 ret = si2168_cmd_execute(s, &cmd);
371 if (ret)
372 goto err;
373
374 if (s->fw_loaded) {
375 /* resume */
376 memcpy(cmd.args, "\xc0\x06\x08\x0f\x00\x20\x21\x01", 8);
377 cmd.wlen = 8;
378 cmd.rlen = 1;
379 ret = si2168_cmd_execute(s, &cmd);
380 if (ret)
381 goto err;
382
383 memcpy(cmd.args, "\x85", 1);
384 cmd.wlen = 1;
385 cmd.rlen = 1;
386 ret = si2168_cmd_execute(s, &cmd);
387 if (ret)
388 goto err;
389
390 goto warm;
391 }
392
393 /* power up */
394 memcpy(cmd.args, "\xc0\x06\x01\x0f\x00\x20\x20\x01", 8);
395 cmd.wlen = 8;
396 cmd.rlen = 1;
397 ret = si2168_cmd_execute(s, &cmd);
398 if (ret)
399 goto err;
400
401 /* query chip revision */
402 memcpy(cmd.args, "\x02", 1);
403 cmd.wlen = 1;
404 cmd.rlen = 13;
405 ret = si2168_cmd_execute(s, &cmd);
406 if (ret)
407 goto err;
408
409 chip_id = cmd.args[1] << 24 | cmd.args[2] << 16 | cmd.args[3] << 8 |
410 cmd.args[4] << 0;
411
412 #define SI2168_A20 ('A' << 24 | 68 << 16 | '2' << 8 | '0' << 0)
413 #define SI2168_A30 ('A' << 24 | 68 << 16 | '3' << 8 | '0' << 0)
414 #define SI2168_B40 ('B' << 24 | 68 << 16 | '4' << 8 | '0' << 0)
415
416 switch (chip_id) {
417 case SI2168_A20:
418 fw_file = SI2168_A20_FIRMWARE;
419 break;
420 case SI2168_A30:
421 fw_file = SI2168_A30_FIRMWARE;
422 break;
423 case SI2168_B40:
424 fw_file = SI2168_B40_FIRMWARE;
425 break;
426 default:
427 dev_err(&s->client->dev,
428 "unknown chip version Si21%d-%c%c%c\n",
429 cmd.args[2], cmd.args[1],
430 cmd.args[3], cmd.args[4]);
431 ret = -EINVAL;
432 goto err;
433 }
434
435 /* cold state - try to download firmware */
436 dev_info(&s->client->dev, "found a '%s' in cold state\n",
437 si2168_ops.info.name);
438
439 /* request the firmware, this will block and timeout */
440 ret = request_firmware(&fw, fw_file, &s->client->dev);
441 if (ret) {
442 /* fallback mechanism to handle old name for Si2168 B40 fw */
443 if (chip_id == SI2168_B40) {
444 fw_file = SI2168_B40_FIRMWARE_FALLBACK;
445 ret = request_firmware(&fw, fw_file, &s->client->dev);
446 }
447
448 if (ret == 0) {
449 dev_notice(&s->client->dev,
450 "please install firmware file '%s'\n",
451 SI2168_B40_FIRMWARE);
452 } else {
453 dev_err(&s->client->dev,
454 "firmware file '%s' not found\n",
455 fw_file);
456 goto err;
457 }
458 }
459
460 dev_info(&s->client->dev, "downloading firmware from file '%s'\n",
461 fw_file);
462
463 for (remaining = fw->size; remaining > 0; remaining -= i2c_wr_max) {
464 len = remaining;
465 if (len > i2c_wr_max)
466 len = i2c_wr_max;
467
468 memcpy(cmd.args, &fw->data[fw->size - remaining], len);
469 cmd.wlen = len;
470 cmd.rlen = 1;
471 ret = si2168_cmd_execute(s, &cmd);
472 if (ret) {
473 dev_err(&s->client->dev,
474 "firmware download failed=%d\n",
475 ret);
476 goto err;
477 }
478 }
479
480 release_firmware(fw);
481 fw = NULL;
482
483 memcpy(cmd.args, "\x01\x01", 2);
484 cmd.wlen = 2;
485 cmd.rlen = 1;
486 ret = si2168_cmd_execute(s, &cmd);
487 if (ret)
488 goto err;
489
490 /* set ts mode */
491 memcpy(cmd.args, "\x14\x00\x01\x10\x10\x00", 6);
492 cmd.args[4] |= s->ts_mode;
493 cmd.wlen = 6;
494 cmd.rlen = 4;
495 ret = si2168_cmd_execute(s, &cmd);
496 if (ret)
497 goto err;
498
499 s->fw_loaded = true;
500
501 warm:
502 dev_info(&s->client->dev, "found a '%s' in warm state\n",
503 si2168_ops.info.name);
504
505 s->active = true;
506
507 return 0;
508 err:
509 if (fw)
510 release_firmware(fw);
511
512 dev_dbg(&s->client->dev, "failed=%d\n", ret);
513 return ret;
514 }
515
si2168_sleep(struct dvb_frontend * fe)516 static int si2168_sleep(struct dvb_frontend *fe)
517 {
518 struct si2168 *s = fe->demodulator_priv;
519 int ret;
520 struct si2168_cmd cmd;
521
522 dev_dbg(&s->client->dev, "\n");
523
524 s->active = false;
525
526 memcpy(cmd.args, "\x13", 1);
527 cmd.wlen = 1;
528 cmd.rlen = 0;
529 ret = si2168_cmd_execute(s, &cmd);
530 if (ret)
531 goto err;
532
533 return 0;
534 err:
535 dev_dbg(&s->client->dev, "failed=%d\n", ret);
536 return ret;
537 }
538
si2168_get_tune_settings(struct dvb_frontend * fe,struct dvb_frontend_tune_settings * s)539 static int si2168_get_tune_settings(struct dvb_frontend *fe,
540 struct dvb_frontend_tune_settings *s)
541 {
542 s->min_delay_ms = 900;
543
544 return 0;
545 }
546
547 /*
548 * I2C gate logic
549 * We must use unlocked i2c_transfer() here because I2C lock is already taken
550 * by tuner driver.
551 */
si2168_select(struct i2c_adapter * adap,void * mux_priv,u32 chan)552 static int si2168_select(struct i2c_adapter *adap, void *mux_priv, u32 chan)
553 {
554 struct si2168 *s = mux_priv;
555 int ret;
556 struct i2c_msg gate_open_msg = {
557 .addr = s->client->addr,
558 .flags = 0,
559 .len = 3,
560 .buf = "\xc0\x0d\x01",
561 };
562
563 mutex_lock(&s->i2c_mutex);
564
565 /* open tuner I2C gate */
566 ret = __i2c_transfer(s->client->adapter, &gate_open_msg, 1);
567 if (ret != 1) {
568 dev_warn(&s->client->dev, "i2c write failed=%d\n", ret);
569 if (ret >= 0)
570 ret = -EREMOTEIO;
571 } else {
572 ret = 0;
573 }
574
575 return ret;
576 }
577
si2168_deselect(struct i2c_adapter * adap,void * mux_priv,u32 chan)578 static int si2168_deselect(struct i2c_adapter *adap, void *mux_priv, u32 chan)
579 {
580 struct si2168 *s = mux_priv;
581 int ret;
582 struct i2c_msg gate_close_msg = {
583 .addr = s->client->addr,
584 .flags = 0,
585 .len = 3,
586 .buf = "\xc0\x0d\x00",
587 };
588
589 /* close tuner I2C gate */
590 ret = __i2c_transfer(s->client->adapter, &gate_close_msg, 1);
591 if (ret != 1) {
592 dev_warn(&s->client->dev, "i2c write failed=%d\n", ret);
593 if (ret >= 0)
594 ret = -EREMOTEIO;
595 } else {
596 ret = 0;
597 }
598
599 mutex_unlock(&s->i2c_mutex);
600
601 return ret;
602 }
603
604 static const struct dvb_frontend_ops si2168_ops = {
605 .delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A},
606 .info = {
607 .name = "Silicon Labs Si2168",
608 .symbol_rate_min = 1000000,
609 .symbol_rate_max = 7200000,
610 .caps = FE_CAN_FEC_1_2 |
611 FE_CAN_FEC_2_3 |
612 FE_CAN_FEC_3_4 |
613 FE_CAN_FEC_5_6 |
614 FE_CAN_FEC_7_8 |
615 FE_CAN_FEC_AUTO |
616 FE_CAN_QPSK |
617 FE_CAN_QAM_16 |
618 FE_CAN_QAM_32 |
619 FE_CAN_QAM_64 |
620 FE_CAN_QAM_128 |
621 FE_CAN_QAM_256 |
622 FE_CAN_QAM_AUTO |
623 FE_CAN_TRANSMISSION_MODE_AUTO |
624 FE_CAN_GUARD_INTERVAL_AUTO |
625 FE_CAN_HIERARCHY_AUTO |
626 FE_CAN_MUTE_TS |
627 FE_CAN_2G_MODULATION |
628 FE_CAN_MULTISTREAM
629 },
630
631 .get_tune_settings = si2168_get_tune_settings,
632
633 .init = si2168_init,
634 .sleep = si2168_sleep,
635
636 .set_frontend = si2168_set_frontend,
637
638 .read_status = si2168_read_status,
639 };
640
si2168_probe(struct i2c_client * client,const struct i2c_device_id * id)641 static int si2168_probe(struct i2c_client *client,
642 const struct i2c_device_id *id)
643 {
644 struct si2168_config *config = client->dev.platform_data;
645 struct si2168 *s;
646 int ret;
647
648 dev_dbg(&client->dev, "\n");
649
650 s = kzalloc(sizeof(struct si2168), GFP_KERNEL);
651 if (!s) {
652 ret = -ENOMEM;
653 dev_err(&client->dev, "kzalloc() failed\n");
654 goto err;
655 }
656
657 s->client = client;
658 mutex_init(&s->i2c_mutex);
659
660 /* create mux i2c adapter for tuner */
661 s->adapter = i2c_add_mux_adapter(client->adapter, &client->dev, s,
662 0, 0, 0, si2168_select, si2168_deselect);
663 if (s->adapter == NULL) {
664 ret = -ENODEV;
665 goto err;
666 }
667
668 /* create dvb_frontend */
669 memcpy(&s->fe.ops, &si2168_ops, sizeof(struct dvb_frontend_ops));
670 s->fe.demodulator_priv = s;
671
672 *config->i2c_adapter = s->adapter;
673 *config->fe = &s->fe;
674 s->ts_mode = config->ts_mode;
675 s->fw_loaded = false;
676
677 i2c_set_clientdata(client, s);
678
679 dev_info(&s->client->dev,
680 "Silicon Labs Si2168 successfully attached\n");
681 return 0;
682 err:
683 kfree(s);
684 dev_dbg(&client->dev, "failed=%d\n", ret);
685 return ret;
686 }
687
si2168_remove(struct i2c_client * client)688 static int si2168_remove(struct i2c_client *client)
689 {
690 struct si2168 *s = i2c_get_clientdata(client);
691
692 dev_dbg(&client->dev, "\n");
693
694 i2c_del_mux_adapter(s->adapter);
695
696 s->fe.ops.release = NULL;
697 s->fe.demodulator_priv = NULL;
698
699 kfree(s);
700
701 return 0;
702 }
703
704 static const struct i2c_device_id si2168_id[] = {
705 {"si2168", 0},
706 {}
707 };
708 MODULE_DEVICE_TABLE(i2c, si2168_id);
709
710 static struct i2c_driver si2168_driver = {
711 .driver = {
712 .owner = THIS_MODULE,
713 .name = "si2168",
714 },
715 .probe = si2168_probe,
716 .remove = si2168_remove,
717 .id_table = si2168_id,
718 };
719
720 module_i2c_driver(si2168_driver);
721
722 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
723 MODULE_DESCRIPTION("Silicon Labs Si2168 DVB-T/T2/C demodulator driver");
724 MODULE_LICENSE("GPL");
725 MODULE_FIRMWARE(SI2168_A20_FIRMWARE);
726 MODULE_FIRMWARE(SI2168_A30_FIRMWARE);
727 MODULE_FIRMWARE(SI2168_B40_FIRMWARE);
728