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21#include "tda10071_priv.h"
22
23
24#define MAX_XFER_SIZE 64
25
26static struct dvb_frontend_ops tda10071_ops;
27
28
29static int tda10071_wr_regs(struct tda10071_priv *priv, u8 reg, u8 *val,
30 int len)
31{
32 int ret;
33 u8 buf[MAX_XFER_SIZE];
34 struct i2c_msg msg[1] = {
35 {
36 .addr = priv->cfg.demod_i2c_addr,
37 .flags = 0,
38 .len = 1 + len,
39 .buf = buf,
40 }
41 };
42
43 if (1 + len > sizeof(buf)) {
44 dev_warn(&priv->i2c->dev,
45 "%s: i2c wr reg=%04x: len=%d is too big!\n",
46 KBUILD_MODNAME, reg, len);
47 return -EINVAL;
48 }
49
50 buf[0] = reg;
51 memcpy(&buf[1], val, len);
52
53 ret = i2c_transfer(priv->i2c, msg, 1);
54 if (ret == 1) {
55 ret = 0;
56 } else {
57 dev_warn(&priv->i2c->dev,
58 "%s: i2c wr failed=%d reg=%02x len=%d\n",
59 KBUILD_MODNAME, ret, reg, len);
60 ret = -EREMOTEIO;
61 }
62 return ret;
63}
64
65
66static int tda10071_rd_regs(struct tda10071_priv *priv, u8 reg, u8 *val,
67 int len)
68{
69 int ret;
70 u8 buf[MAX_XFER_SIZE];
71 struct i2c_msg msg[2] = {
72 {
73 .addr = priv->cfg.demod_i2c_addr,
74 .flags = 0,
75 .len = 1,
76 .buf = ®,
77 }, {
78 .addr = priv->cfg.demod_i2c_addr,
79 .flags = I2C_M_RD,
80 .len = len,
81 .buf = buf,
82 }
83 };
84
85 if (len > sizeof(buf)) {
86 dev_warn(&priv->i2c->dev,
87 "%s: i2c wr reg=%04x: len=%d is too big!\n",
88 KBUILD_MODNAME, reg, len);
89 return -EINVAL;
90 }
91
92 ret = i2c_transfer(priv->i2c, msg, 2);
93 if (ret == 2) {
94 memcpy(val, buf, len);
95 ret = 0;
96 } else {
97 dev_warn(&priv->i2c->dev,
98 "%s: i2c rd failed=%d reg=%02x len=%d\n",
99 KBUILD_MODNAME, ret, reg, len);
100 ret = -EREMOTEIO;
101 }
102 return ret;
103}
104
105
106static int tda10071_wr_reg(struct tda10071_priv *priv, u8 reg, u8 val)
107{
108 return tda10071_wr_regs(priv, reg, &val, 1);
109}
110
111
112static int tda10071_rd_reg(struct tda10071_priv *priv, u8 reg, u8 *val)
113{
114 return tda10071_rd_regs(priv, reg, val, 1);
115}
116
117
118static int tda10071_wr_reg_mask(struct tda10071_priv *priv,
119 u8 reg, u8 val, u8 mask)
120{
121 int ret;
122 u8 tmp;
123
124
125 if (mask != 0xff) {
126 ret = tda10071_rd_regs(priv, reg, &tmp, 1);
127 if (ret)
128 return ret;
129
130 val &= mask;
131 tmp &= ~mask;
132 val |= tmp;
133 }
134
135 return tda10071_wr_regs(priv, reg, &val, 1);
136}
137
138
139static int tda10071_rd_reg_mask(struct tda10071_priv *priv,
140 u8 reg, u8 *val, u8 mask)
141{
142 int ret, i;
143 u8 tmp;
144
145 ret = tda10071_rd_regs(priv, reg, &tmp, 1);
146 if (ret)
147 return ret;
148
149 tmp &= mask;
150
151
152 for (i = 0; i < 8; i++) {
153 if ((mask >> i) & 0x01)
154 break;
155 }
156 *val = tmp >> i;
157
158 return 0;
159}
160
161
162static int tda10071_cmd_execute(struct tda10071_priv *priv,
163 struct tda10071_cmd *cmd)
164{
165 int ret, i;
166 u8 tmp;
167
168 if (!priv->warm) {
169 ret = -EFAULT;
170 goto error;
171 }
172
173
174 ret = tda10071_wr_regs(priv, 0x00, cmd->args, cmd->len);
175 if (ret)
176 goto error;
177
178
179 ret = tda10071_wr_reg(priv, 0x1f, 1);
180 if (ret)
181 goto error;
182
183
184 for (i = 1000, tmp = 1; i && tmp; i--) {
185 ret = tda10071_rd_reg(priv, 0x1f, &tmp);
186 if (ret)
187 goto error;
188
189 usleep_range(200, 5000);
190 }
191
192 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
193
194 if (i == 0) {
195 ret = -ETIMEDOUT;
196 goto error;
197 }
198
199 return ret;
200error:
201 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
202 return ret;
203}
204
205static int tda10071_set_tone(struct dvb_frontend *fe,
206 enum fe_sec_tone_mode fe_sec_tone_mode)
207{
208 struct tda10071_priv *priv = fe->demodulator_priv;
209 struct tda10071_cmd cmd;
210 int ret;
211 u8 tone;
212
213 if (!priv->warm) {
214 ret = -EFAULT;
215 goto error;
216 }
217
218 dev_dbg(&priv->i2c->dev, "%s: tone_mode=%d\n", __func__,
219 fe_sec_tone_mode);
220
221 switch (fe_sec_tone_mode) {
222 case SEC_TONE_ON:
223 tone = 1;
224 break;
225 case SEC_TONE_OFF:
226 tone = 0;
227 break;
228 default:
229 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_tone_mode\n",
230 __func__);
231 ret = -EINVAL;
232 goto error;
233 }
234
235 cmd.args[0] = CMD_LNB_PCB_CONFIG;
236 cmd.args[1] = 0;
237 cmd.args[2] = 0x00;
238 cmd.args[3] = 0x00;
239 cmd.args[4] = tone;
240 cmd.len = 5;
241 ret = tda10071_cmd_execute(priv, &cmd);
242 if (ret)
243 goto error;
244
245 return ret;
246error:
247 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
248 return ret;
249}
250
251static int tda10071_set_voltage(struct dvb_frontend *fe,
252 enum fe_sec_voltage fe_sec_voltage)
253{
254 struct tda10071_priv *priv = fe->demodulator_priv;
255 struct tda10071_cmd cmd;
256 int ret;
257 u8 voltage;
258
259 if (!priv->warm) {
260 ret = -EFAULT;
261 goto error;
262 }
263
264 dev_dbg(&priv->i2c->dev, "%s: voltage=%d\n", __func__, fe_sec_voltage);
265
266 switch (fe_sec_voltage) {
267 case SEC_VOLTAGE_13:
268 voltage = 0;
269 break;
270 case SEC_VOLTAGE_18:
271 voltage = 1;
272 break;
273 case SEC_VOLTAGE_OFF:
274 voltage = 0;
275 break;
276 default:
277 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_voltage\n",
278 __func__);
279 ret = -EINVAL;
280 goto error;
281 }
282
283 cmd.args[0] = CMD_LNB_SET_DC_LEVEL;
284 cmd.args[1] = 0;
285 cmd.args[2] = voltage;
286 cmd.len = 3;
287 ret = tda10071_cmd_execute(priv, &cmd);
288 if (ret)
289 goto error;
290
291 return ret;
292error:
293 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
294 return ret;
295}
296
297static int tda10071_diseqc_send_master_cmd(struct dvb_frontend *fe,
298 struct dvb_diseqc_master_cmd *diseqc_cmd)
299{
300 struct tda10071_priv *priv = fe->demodulator_priv;
301 struct tda10071_cmd cmd;
302 int ret, i;
303 u8 tmp;
304
305 if (!priv->warm) {
306 ret = -EFAULT;
307 goto error;
308 }
309
310 dev_dbg(&priv->i2c->dev, "%s: msg_len=%d\n", __func__,
311 diseqc_cmd->msg_len);
312
313 if (diseqc_cmd->msg_len < 3 || diseqc_cmd->msg_len > 6) {
314 ret = -EINVAL;
315 goto error;
316 }
317
318
319 for (i = 500, tmp = 0; i && !tmp; i--) {
320 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01);
321 if (ret)
322 goto error;
323
324 usleep_range(10000, 20000);
325 }
326
327 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
328
329 if (i == 0) {
330 ret = -ETIMEDOUT;
331 goto error;
332 }
333
334 ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01);
335 if (ret)
336 goto error;
337
338 cmd.args[0] = CMD_LNB_SEND_DISEQC;
339 cmd.args[1] = 0;
340 cmd.args[2] = 0;
341 cmd.args[3] = 0;
342 cmd.args[4] = 2;
343 cmd.args[5] = 0;
344 cmd.args[6] = diseqc_cmd->msg_len;
345 memcpy(&cmd.args[7], diseqc_cmd->msg, diseqc_cmd->msg_len);
346 cmd.len = 7 + diseqc_cmd->msg_len;
347 ret = tda10071_cmd_execute(priv, &cmd);
348 if (ret)
349 goto error;
350
351 return ret;
352error:
353 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
354 return ret;
355}
356
357static int tda10071_diseqc_recv_slave_reply(struct dvb_frontend *fe,
358 struct dvb_diseqc_slave_reply *reply)
359{
360 struct tda10071_priv *priv = fe->demodulator_priv;
361 struct tda10071_cmd cmd;
362 int ret, i;
363 u8 tmp;
364
365 if (!priv->warm) {
366 ret = -EFAULT;
367 goto error;
368 }
369
370 dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
371
372
373 for (i = 500, tmp = 0; i && !tmp; i--) {
374 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x02);
375 if (ret)
376 goto error;
377
378 usleep_range(10000, 20000);
379 }
380
381 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
382
383 if (i == 0) {
384 ret = -ETIMEDOUT;
385 goto error;
386 }
387
388
389 ret = tda10071_rd_reg(priv, 0x46, &tmp);
390 if (ret)
391 goto error;
392
393 reply->msg_len = tmp & 0x1f;
394 if (reply->msg_len > sizeof(reply->msg))
395 reply->msg_len = sizeof(reply->msg);
396
397
398 cmd.args[0] = CMD_LNB_UPDATE_REPLY;
399 cmd.args[1] = 0;
400 cmd.len = 2;
401 ret = tda10071_cmd_execute(priv, &cmd);
402 if (ret)
403 goto error;
404
405 ret = tda10071_rd_regs(priv, cmd.len, reply->msg, reply->msg_len);
406 if (ret)
407 goto error;
408
409 return ret;
410error:
411 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
412 return ret;
413}
414
415static int tda10071_diseqc_send_burst(struct dvb_frontend *fe,
416 enum fe_sec_mini_cmd fe_sec_mini_cmd)
417{
418 struct tda10071_priv *priv = fe->demodulator_priv;
419 struct tda10071_cmd cmd;
420 int ret, i;
421 u8 tmp, burst;
422
423 if (!priv->warm) {
424 ret = -EFAULT;
425 goto error;
426 }
427
428 dev_dbg(&priv->i2c->dev, "%s: fe_sec_mini_cmd=%d\n", __func__,
429 fe_sec_mini_cmd);
430
431 switch (fe_sec_mini_cmd) {
432 case SEC_MINI_A:
433 burst = 0;
434 break;
435 case SEC_MINI_B:
436 burst = 1;
437 break;
438 default:
439 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_mini_cmd\n",
440 __func__);
441 ret = -EINVAL;
442 goto error;
443 }
444
445
446 for (i = 500, tmp = 0; i && !tmp; i--) {
447 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01);
448 if (ret)
449 goto error;
450
451 usleep_range(10000, 20000);
452 }
453
454 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
455
456 if (i == 0) {
457 ret = -ETIMEDOUT;
458 goto error;
459 }
460
461 ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01);
462 if (ret)
463 goto error;
464
465 cmd.args[0] = CMD_LNB_SEND_TONEBURST;
466 cmd.args[1] = 0;
467 cmd.args[2] = burst;
468 cmd.len = 3;
469 ret = tda10071_cmd_execute(priv, &cmd);
470 if (ret)
471 goto error;
472
473 return ret;
474error:
475 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
476 return ret;
477}
478
479static int tda10071_read_status(struct dvb_frontend *fe, enum fe_status *status)
480{
481 struct tda10071_priv *priv = fe->demodulator_priv;
482 int ret;
483 u8 tmp;
484
485 *status = 0;
486
487 if (!priv->warm) {
488 ret = 0;
489 goto error;
490 }
491
492 ret = tda10071_rd_reg(priv, 0x39, &tmp);
493 if (ret)
494 goto error;
495
496
497 if (tmp & 0x02)
498 *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER;
499 if (tmp & 0x04)
500 *status |= FE_HAS_VITERBI;
501 if (tmp & 0x08)
502 *status |= FE_HAS_SYNC | FE_HAS_LOCK;
503
504 priv->fe_status = *status;
505
506 return ret;
507error:
508 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
509 return ret;
510}
511
512static int tda10071_read_snr(struct dvb_frontend *fe, u16 *snr)
513{
514 struct tda10071_priv *priv = fe->demodulator_priv;
515 int ret;
516 u8 buf[2];
517
518 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
519 *snr = 0;
520 ret = 0;
521 goto error;
522 }
523
524 ret = tda10071_rd_regs(priv, 0x3a, buf, 2);
525 if (ret)
526 goto error;
527
528
529 *snr = buf[0] << 8 | buf[1];
530
531 return ret;
532error:
533 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
534 return ret;
535}
536
537static int tda10071_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
538{
539 struct tda10071_priv *priv = fe->demodulator_priv;
540 struct tda10071_cmd cmd;
541 int ret;
542 u8 tmp;
543
544 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
545 *strength = 0;
546 ret = 0;
547 goto error;
548 }
549
550 cmd.args[0] = CMD_GET_AGCACC;
551 cmd.args[1] = 0;
552 cmd.len = 2;
553 ret = tda10071_cmd_execute(priv, &cmd);
554 if (ret)
555 goto error;
556
557
558 ret = tda10071_rd_reg(priv, 0x50, &tmp);
559 if (ret)
560 goto error;
561
562 if (tmp < 181)
563 tmp = 181;
564 else if (tmp > 236)
565 tmp = 236;
566
567
568 *strength = (tmp-181) * 0xffff / (236-181);
569
570 return ret;
571error:
572 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
573 return ret;
574}
575
576static int tda10071_read_ber(struct dvb_frontend *fe, u32 *ber)
577{
578 struct tda10071_priv *priv = fe->demodulator_priv;
579 struct tda10071_cmd cmd;
580 int ret, i, len;
581 u8 tmp, reg, buf[8];
582
583 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
584 *ber = priv->ber = 0;
585 ret = 0;
586 goto error;
587 }
588
589 switch (priv->delivery_system) {
590 case SYS_DVBS:
591 reg = 0x4c;
592 len = 8;
593 i = 1;
594 break;
595 case SYS_DVBS2:
596 reg = 0x4d;
597 len = 4;
598 i = 0;
599 break;
600 default:
601 *ber = priv->ber = 0;
602 return 0;
603 }
604
605 ret = tda10071_rd_reg(priv, reg, &tmp);
606 if (ret)
607 goto error;
608
609 if (priv->meas_count[i] == tmp) {
610 dev_dbg(&priv->i2c->dev, "%s: meas not ready=%02x\n", __func__,
611 tmp);
612 *ber = priv->ber;
613 return 0;
614 } else {
615 priv->meas_count[i] = tmp;
616 }
617
618 cmd.args[0] = CMD_BER_UPDATE_COUNTERS;
619 cmd.args[1] = 0;
620 cmd.args[2] = i;
621 cmd.len = 3;
622 ret = tda10071_cmd_execute(priv, &cmd);
623 if (ret)
624 goto error;
625
626 ret = tda10071_rd_regs(priv, cmd.len, buf, len);
627 if (ret)
628 goto error;
629
630 if (priv->delivery_system == SYS_DVBS) {
631 *ber = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
632 priv->ucb += (buf[4] << 8) | buf[5];
633 } else {
634 *ber = (buf[0] << 8) | buf[1];
635 }
636 priv->ber = *ber;
637
638 return ret;
639error:
640 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
641 return ret;
642}
643
644static int tda10071_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
645{
646 struct tda10071_priv *priv = fe->demodulator_priv;
647 int ret = 0;
648
649 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
650 *ucblocks = 0;
651 goto error;
652 }
653
654
655
656 *ucblocks = priv->ucb;
657
658 return ret;
659error:
660 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
661 return ret;
662}
663
664static int tda10071_set_frontend(struct dvb_frontend *fe)
665{
666 struct tda10071_priv *priv = fe->demodulator_priv;
667 struct tda10071_cmd cmd;
668 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
669 int ret, i;
670 u8 mode, rolloff, pilot, inversion, div;
671 enum fe_modulation modulation;
672
673 dev_dbg(&priv->i2c->dev,
674 "%s: delivery_system=%d modulation=%d frequency=%d symbol_rate=%d inversion=%d pilot=%d rolloff=%d\n",
675 __func__, c->delivery_system, c->modulation,
676 c->frequency, c->symbol_rate, c->inversion, c->pilot,
677 c->rolloff);
678
679 priv->delivery_system = SYS_UNDEFINED;
680
681 if (!priv->warm) {
682 ret = -EFAULT;
683 goto error;
684 }
685
686 switch (c->inversion) {
687 case INVERSION_OFF:
688 inversion = 1;
689 break;
690 case INVERSION_ON:
691 inversion = 0;
692 break;
693 case INVERSION_AUTO:
694
695
696 inversion = 3;
697 break;
698 default:
699 dev_dbg(&priv->i2c->dev, "%s: invalid inversion\n", __func__);
700 ret = -EINVAL;
701 goto error;
702 }
703
704 switch (c->delivery_system) {
705 case SYS_DVBS:
706 modulation = QPSK;
707 rolloff = 0;
708 pilot = 2;
709 break;
710 case SYS_DVBS2:
711 modulation = c->modulation;
712
713 switch (c->rolloff) {
714 case ROLLOFF_20:
715 rolloff = 2;
716 break;
717 case ROLLOFF_25:
718 rolloff = 1;
719 break;
720 case ROLLOFF_35:
721 rolloff = 0;
722 break;
723 case ROLLOFF_AUTO:
724 default:
725 dev_dbg(&priv->i2c->dev, "%s: invalid rolloff\n",
726 __func__);
727 ret = -EINVAL;
728 goto error;
729 }
730
731 switch (c->pilot) {
732 case PILOT_OFF:
733 pilot = 0;
734 break;
735 case PILOT_ON:
736 pilot = 1;
737 break;
738 case PILOT_AUTO:
739 pilot = 2;
740 break;
741 default:
742 dev_dbg(&priv->i2c->dev, "%s: invalid pilot\n",
743 __func__);
744 ret = -EINVAL;
745 goto error;
746 }
747 break;
748 default:
749 dev_dbg(&priv->i2c->dev, "%s: invalid delivery_system\n",
750 __func__);
751 ret = -EINVAL;
752 goto error;
753 }
754
755 for (i = 0, mode = 0xff; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
756 if (c->delivery_system == TDA10071_MODCOD[i].delivery_system &&
757 modulation == TDA10071_MODCOD[i].modulation &&
758 c->fec_inner == TDA10071_MODCOD[i].fec) {
759 mode = TDA10071_MODCOD[i].val;
760 dev_dbg(&priv->i2c->dev, "%s: mode found=%02x\n",
761 __func__, mode);
762 break;
763 }
764 }
765
766 if (mode == 0xff) {
767 dev_dbg(&priv->i2c->dev, "%s: invalid parameter combination\n",
768 __func__);
769 ret = -EINVAL;
770 goto error;
771 }
772
773 if (c->symbol_rate <= 5000000)
774 div = 14;
775 else
776 div = 4;
777
778 ret = tda10071_wr_reg(priv, 0x81, div);
779 if (ret)
780 goto error;
781
782 ret = tda10071_wr_reg(priv, 0xe3, div);
783 if (ret)
784 goto error;
785
786 cmd.args[0] = CMD_CHANGE_CHANNEL;
787 cmd.args[1] = 0;
788 cmd.args[2] = mode;
789 cmd.args[3] = (c->frequency >> 16) & 0xff;
790 cmd.args[4] = (c->frequency >> 8) & 0xff;
791 cmd.args[5] = (c->frequency >> 0) & 0xff;
792 cmd.args[6] = ((c->symbol_rate / 1000) >> 8) & 0xff;
793 cmd.args[7] = ((c->symbol_rate / 1000) >> 0) & 0xff;
794 cmd.args[8] = (tda10071_ops.info.frequency_tolerance >> 8) & 0xff;
795 cmd.args[9] = (tda10071_ops.info.frequency_tolerance >> 0) & 0xff;
796 cmd.args[10] = rolloff;
797 cmd.args[11] = inversion;
798 cmd.args[12] = pilot;
799 cmd.args[13] = 0x00;
800 cmd.args[14] = 0x00;
801 cmd.len = 15;
802 ret = tda10071_cmd_execute(priv, &cmd);
803 if (ret)
804 goto error;
805
806 priv->delivery_system = c->delivery_system;
807
808 return ret;
809error:
810 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
811 return ret;
812}
813
814static int tda10071_get_frontend(struct dvb_frontend *fe)
815{
816 struct tda10071_priv *priv = fe->demodulator_priv;
817 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
818 int ret, i;
819 u8 buf[5], tmp;
820
821 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
822 ret = -EFAULT;
823 goto error;
824 }
825
826 ret = tda10071_rd_regs(priv, 0x30, buf, 5);
827 if (ret)
828 goto error;
829
830 tmp = buf[0] & 0x3f;
831 for (i = 0; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
832 if (tmp == TDA10071_MODCOD[i].val) {
833 c->modulation = TDA10071_MODCOD[i].modulation;
834 c->fec_inner = TDA10071_MODCOD[i].fec;
835 c->delivery_system = TDA10071_MODCOD[i].delivery_system;
836 }
837 }
838
839 switch ((buf[1] >> 0) & 0x01) {
840 case 0:
841 c->inversion = INVERSION_ON;
842 break;
843 case 1:
844 c->inversion = INVERSION_OFF;
845 break;
846 }
847
848 switch ((buf[1] >> 7) & 0x01) {
849 case 0:
850 c->pilot = PILOT_OFF;
851 break;
852 case 1:
853 c->pilot = PILOT_ON;
854 break;
855 }
856
857 c->frequency = (buf[2] << 16) | (buf[3] << 8) | (buf[4] << 0);
858
859 ret = tda10071_rd_regs(priv, 0x52, buf, 3);
860 if (ret)
861 goto error;
862
863 c->symbol_rate = ((buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0)) * 1000;
864
865 return ret;
866error:
867 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
868 return ret;
869}
870
871static int tda10071_init(struct dvb_frontend *fe)
872{
873 struct tda10071_priv *priv = fe->demodulator_priv;
874 struct tda10071_cmd cmd;
875 int ret, i, len, remaining, fw_size;
876 const struct firmware *fw;
877 u8 *fw_file = TDA10071_FIRMWARE;
878 u8 tmp, buf[4];
879 struct tda10071_reg_val_mask tab[] = {
880 { 0xcd, 0x00, 0x07 },
881 { 0x80, 0x00, 0x02 },
882 { 0xcd, 0x00, 0xc0 },
883 { 0xce, 0x00, 0x1b },
884 { 0x9d, 0x00, 0x01 },
885 { 0x9d, 0x00, 0x02 },
886 { 0x9e, 0x00, 0x01 },
887 { 0x87, 0x00, 0x80 },
888 { 0xce, 0x00, 0x08 },
889 { 0xce, 0x00, 0x10 },
890 };
891 struct tda10071_reg_val_mask tab2[] = {
892 { 0xf1, 0x70, 0xff },
893 { 0x88, priv->cfg.pll_multiplier, 0x3f },
894 { 0x89, 0x00, 0x10 },
895 { 0x89, 0x10, 0x10 },
896 { 0xc0, 0x01, 0x01 },
897 { 0xc0, 0x00, 0x01 },
898 { 0xe0, 0xff, 0xff },
899 { 0xe0, 0x00, 0xff },
900 { 0x96, 0x1e, 0x7e },
901 { 0x8b, 0x08, 0x08 },
902 { 0x8b, 0x00, 0x08 },
903 { 0x8f, 0x1a, 0x7e },
904 { 0x8c, 0x68, 0xff },
905 { 0x8d, 0x08, 0xff },
906 { 0x8e, 0x4c, 0xff },
907 { 0x8f, 0x01, 0x01 },
908 { 0x8b, 0x04, 0x04 },
909 { 0x8b, 0x00, 0x04 },
910 { 0x87, 0x05, 0x07 },
911 { 0x80, 0x00, 0x20 },
912 { 0xc8, 0x01, 0xff },
913 { 0xb4, 0x47, 0xff },
914 { 0xb5, 0x9c, 0xff },
915 { 0xb6, 0x7d, 0xff },
916 { 0xba, 0x00, 0x03 },
917 { 0xb7, 0x47, 0xff },
918 { 0xb8, 0x9c, 0xff },
919 { 0xb9, 0x7d, 0xff },
920 { 0xba, 0x00, 0x0c },
921 { 0xc8, 0x00, 0xff },
922 { 0xcd, 0x00, 0x04 },
923 { 0xcd, 0x00, 0x20 },
924 { 0xe8, 0x02, 0xff },
925 { 0xcf, 0x20, 0xff },
926 { 0x9b, 0xd7, 0xff },
927 { 0x9a, 0x01, 0x03 },
928 { 0xa8, 0x05, 0x0f },
929 { 0xa8, 0x65, 0xf0 },
930 { 0xa6, 0xa0, 0xf0 },
931 { 0x9d, 0x50, 0xfc },
932 { 0x9e, 0x20, 0xe0 },
933 { 0xa3, 0x1c, 0x7c },
934 { 0xd5, 0x03, 0x03 },
935 };
936
937 if (priv->warm) {
938
939
940 for (i = 0; i < ARRAY_SIZE(tab); i++) {
941 ret = tda10071_wr_reg_mask(priv, tab[i].reg,
942 tab[i].val, tab[i].mask);
943 if (ret)
944 goto error;
945 }
946
947 cmd.args[0] = CMD_SET_SLEEP_MODE;
948 cmd.args[1] = 0;
949 cmd.args[2] = 0;
950 cmd.len = 3;
951 ret = tda10071_cmd_execute(priv, &cmd);
952 if (ret)
953 goto error;
954 } else {
955
956
957
958 ret = request_firmware(&fw, fw_file, priv->i2c->dev.parent);
959 if (ret) {
960 dev_err(&priv->i2c->dev,
961 "%s: did not find the firmware file. (%s) Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)\n",
962 KBUILD_MODNAME, fw_file, ret);
963 goto error;
964 }
965
966
967 for (i = 0; i < ARRAY_SIZE(tab2); i++) {
968 ret = tda10071_wr_reg_mask(priv, tab2[i].reg,
969 tab2[i].val, tab2[i].mask);
970 if (ret)
971 goto error_release_firmware;
972 }
973
974
975 ret = tda10071_wr_reg(priv, 0xe0, 0x7f);
976 if (ret)
977 goto error_release_firmware;
978
979 ret = tda10071_wr_reg(priv, 0xf7, 0x81);
980 if (ret)
981 goto error_release_firmware;
982
983 ret = tda10071_wr_reg(priv, 0xf8, 0x00);
984 if (ret)
985 goto error_release_firmware;
986
987 ret = tda10071_wr_reg(priv, 0xf9, 0x00);
988 if (ret)
989 goto error_release_firmware;
990
991 dev_info(&priv->i2c->dev,
992 "%s: found a '%s' in cold state, will try to load a firmware\n",
993 KBUILD_MODNAME, tda10071_ops.info.name);
994 dev_info(&priv->i2c->dev,
995 "%s: downloading firmware from file '%s'\n",
996 KBUILD_MODNAME, fw_file);
997
998
999 fw_size = fw->size - 1;
1000
1001 for (remaining = fw_size; remaining > 0;
1002 remaining -= (priv->cfg.i2c_wr_max - 1)) {
1003 len = remaining;
1004 if (len > (priv->cfg.i2c_wr_max - 1))
1005 len = (priv->cfg.i2c_wr_max - 1);
1006
1007 ret = tda10071_wr_regs(priv, 0xfa,
1008 (u8 *) &fw->data[fw_size - remaining], len);
1009 if (ret) {
1010 dev_err(&priv->i2c->dev,
1011 "%s: firmware download failed=%d\n",
1012 KBUILD_MODNAME, ret);
1013 goto error_release_firmware;
1014 }
1015 }
1016 release_firmware(fw);
1017
1018 ret = tda10071_wr_reg(priv, 0xf7, 0x0c);
1019 if (ret)
1020 goto error;
1021
1022 ret = tda10071_wr_reg(priv, 0xe0, 0x00);
1023 if (ret)
1024 goto error;
1025
1026
1027 msleep(250);
1028
1029
1030 ret = tda10071_rd_reg(priv, 0x51, &tmp);
1031 if (ret)
1032 goto error;
1033
1034 if (tmp) {
1035 dev_info(&priv->i2c->dev, "%s: firmware did not run\n",
1036 KBUILD_MODNAME);
1037 ret = -EFAULT;
1038 goto error;
1039 } else {
1040 priv->warm = true;
1041 }
1042
1043 cmd.args[0] = CMD_GET_FW_VERSION;
1044 cmd.len = 1;
1045 ret = tda10071_cmd_execute(priv, &cmd);
1046 if (ret)
1047 goto error;
1048
1049 ret = tda10071_rd_regs(priv, cmd.len, buf, 4);
1050 if (ret)
1051 goto error;
1052
1053 dev_info(&priv->i2c->dev, "%s: firmware version %d.%d.%d.%d\n",
1054 KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3]);
1055 dev_info(&priv->i2c->dev, "%s: found a '%s' in warm state\n",
1056 KBUILD_MODNAME, tda10071_ops.info.name);
1057
1058 ret = tda10071_rd_regs(priv, 0x81, buf, 2);
1059 if (ret)
1060 goto error;
1061
1062 cmd.args[0] = CMD_DEMOD_INIT;
1063 cmd.args[1] = ((priv->cfg.xtal / 1000) >> 8) & 0xff;
1064 cmd.args[2] = ((priv->cfg.xtal / 1000) >> 0) & 0xff;
1065 cmd.args[3] = buf[0];
1066 cmd.args[4] = buf[1];
1067 cmd.args[5] = priv->cfg.pll_multiplier;
1068 cmd.args[6] = priv->cfg.spec_inv;
1069 cmd.args[7] = 0x00;
1070 cmd.len = 8;
1071 ret = tda10071_cmd_execute(priv, &cmd);
1072 if (ret)
1073 goto error;
1074
1075 if (priv->cfg.tuner_i2c_addr)
1076 tmp = priv->cfg.tuner_i2c_addr;
1077 else
1078 tmp = 0x14;
1079
1080 cmd.args[0] = CMD_TUNER_INIT;
1081 cmd.args[1] = 0x00;
1082 cmd.args[2] = 0x00;
1083 cmd.args[3] = 0x00;
1084 cmd.args[4] = 0x00;
1085 cmd.args[5] = tmp;
1086 cmd.args[6] = 0x00;
1087 cmd.args[7] = 0x03;
1088 cmd.args[8] = 0x02;
1089 cmd.args[9] = 0x02;
1090 cmd.args[10] = 0x00;
1091 cmd.args[11] = 0x00;
1092 cmd.args[12] = 0x00;
1093 cmd.args[13] = 0x00;
1094 cmd.args[14] = 0x00;
1095 cmd.len = 15;
1096 ret = tda10071_cmd_execute(priv, &cmd);
1097 if (ret)
1098 goto error;
1099
1100 cmd.args[0] = CMD_MPEG_CONFIG;
1101 cmd.args[1] = 0;
1102 cmd.args[2] = priv->cfg.ts_mode;
1103 cmd.args[3] = 0x00;
1104 cmd.args[4] = 0x04;
1105 cmd.args[5] = 0x00;
1106 cmd.len = 6;
1107 ret = tda10071_cmd_execute(priv, &cmd);
1108 if (ret)
1109 goto error;
1110
1111 ret = tda10071_wr_reg_mask(priv, 0xf0, 0x01, 0x01);
1112 if (ret)
1113 goto error;
1114
1115 cmd.args[0] = CMD_LNB_CONFIG;
1116 cmd.args[1] = 0;
1117 cmd.args[2] = 150;
1118 cmd.args[3] = 3;
1119 cmd.args[4] = 22;
1120 cmd.args[5] = 1;
1121 cmd.args[6] = 1;
1122 cmd.args[7] = 30;
1123 cmd.args[8] = 30;
1124 cmd.args[9] = 30;
1125 cmd.args[10] = 30;
1126 cmd.len = 11;
1127 ret = tda10071_cmd_execute(priv, &cmd);
1128 if (ret)
1129 goto error;
1130
1131 cmd.args[0] = CMD_BER_CONTROL;
1132 cmd.args[1] = 0;
1133 cmd.args[2] = 14;
1134 cmd.args[3] = 14;
1135 cmd.len = 4;
1136 ret = tda10071_cmd_execute(priv, &cmd);
1137 if (ret)
1138 goto error;
1139 }
1140
1141 return ret;
1142error_release_firmware:
1143 release_firmware(fw);
1144error:
1145 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
1146 return ret;
1147}
1148
1149static int tda10071_sleep(struct dvb_frontend *fe)
1150{
1151 struct tda10071_priv *priv = fe->demodulator_priv;
1152 struct tda10071_cmd cmd;
1153 int ret, i;
1154 struct tda10071_reg_val_mask tab[] = {
1155 { 0xcd, 0x07, 0x07 },
1156 { 0x80, 0x02, 0x02 },
1157 { 0xcd, 0xc0, 0xc0 },
1158 { 0xce, 0x1b, 0x1b },
1159 { 0x9d, 0x01, 0x01 },
1160 { 0x9d, 0x02, 0x02 },
1161 { 0x9e, 0x01, 0x01 },
1162 { 0x87, 0x80, 0x80 },
1163 { 0xce, 0x08, 0x08 },
1164 { 0xce, 0x10, 0x10 },
1165 };
1166
1167 if (!priv->warm) {
1168 ret = -EFAULT;
1169 goto error;
1170 }
1171
1172 cmd.args[0] = CMD_SET_SLEEP_MODE;
1173 cmd.args[1] = 0;
1174 cmd.args[2] = 1;
1175 cmd.len = 3;
1176 ret = tda10071_cmd_execute(priv, &cmd);
1177 if (ret)
1178 goto error;
1179
1180 for (i = 0; i < ARRAY_SIZE(tab); i++) {
1181 ret = tda10071_wr_reg_mask(priv, tab[i].reg, tab[i].val,
1182 tab[i].mask);
1183 if (ret)
1184 goto error;
1185 }
1186
1187 return ret;
1188error:
1189 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
1190 return ret;
1191}
1192
1193static int tda10071_get_tune_settings(struct dvb_frontend *fe,
1194 struct dvb_frontend_tune_settings *s)
1195{
1196 s->min_delay_ms = 8000;
1197 s->step_size = 0;
1198 s->max_drift = 0;
1199
1200 return 0;
1201}
1202
1203static void tda10071_release(struct dvb_frontend *fe)
1204{
1205 struct tda10071_priv *priv = fe->demodulator_priv;
1206 kfree(priv);
1207}
1208
1209struct dvb_frontend *tda10071_attach(const struct tda10071_config *config,
1210 struct i2c_adapter *i2c)
1211{
1212 int ret;
1213 struct tda10071_priv *priv = NULL;
1214 u8 tmp;
1215
1216
1217 priv = kzalloc(sizeof(struct tda10071_priv), GFP_KERNEL);
1218 if (priv == NULL) {
1219 ret = -ENOMEM;
1220 goto error;
1221 }
1222
1223
1224 if (!config->demod_i2c_addr) {
1225 dev_dbg(&i2c->dev, "%s: invalid demod i2c address\n", __func__);
1226 ret = -EINVAL;
1227 goto error;
1228 }
1229
1230
1231 if (!config->tuner_i2c_addr) {
1232 dev_dbg(&i2c->dev, "%s: invalid tuner i2c address\n", __func__);
1233 ret = -EINVAL;
1234 goto error;
1235 }
1236
1237
1238 priv->i2c = i2c;
1239 memcpy(&priv->cfg, config, sizeof(struct tda10071_config));
1240
1241
1242 ret = tda10071_rd_reg(priv, 0xff, &tmp);
1243 if (ret || tmp != 0x0f)
1244 goto error;
1245
1246
1247 ret = tda10071_rd_reg(priv, 0xdd, &tmp);
1248 if (ret || tmp != 0x00)
1249 goto error;
1250
1251
1252 ret = tda10071_rd_reg(priv, 0xfe, &tmp);
1253 if (ret || tmp != 0x01)
1254 goto error;
1255
1256
1257 memcpy(&priv->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops));
1258 priv->fe.demodulator_priv = priv;
1259
1260 return &priv->fe;
1261error:
1262 dev_dbg(&i2c->dev, "%s: failed=%d\n", __func__, ret);
1263 kfree(priv);
1264 return NULL;
1265}
1266EXPORT_SYMBOL(tda10071_attach);
1267
1268static struct dvb_frontend_ops tda10071_ops = {
1269 .delsys = { SYS_DVBS, SYS_DVBS2 },
1270 .info = {
1271 .name = "NXP TDA10071",
1272 .frequency_min = 950000,
1273 .frequency_max = 2150000,
1274 .frequency_tolerance = 5000,
1275 .symbol_rate_min = 1000000,
1276 .symbol_rate_max = 45000000,
1277 .caps = FE_CAN_INVERSION_AUTO |
1278 FE_CAN_FEC_1_2 |
1279 FE_CAN_FEC_2_3 |
1280 FE_CAN_FEC_3_4 |
1281 FE_CAN_FEC_4_5 |
1282 FE_CAN_FEC_5_6 |
1283 FE_CAN_FEC_6_7 |
1284 FE_CAN_FEC_7_8 |
1285 FE_CAN_FEC_8_9 |
1286 FE_CAN_FEC_AUTO |
1287 FE_CAN_QPSK |
1288 FE_CAN_RECOVER |
1289 FE_CAN_2G_MODULATION
1290 },
1291
1292 .release = tda10071_release,
1293
1294 .get_tune_settings = tda10071_get_tune_settings,
1295
1296 .init = tda10071_init,
1297 .sleep = tda10071_sleep,
1298
1299 .set_frontend = tda10071_set_frontend,
1300 .get_frontend = tda10071_get_frontend,
1301
1302 .read_status = tda10071_read_status,
1303 .read_snr = tda10071_read_snr,
1304 .read_signal_strength = tda10071_read_signal_strength,
1305 .read_ber = tda10071_read_ber,
1306 .read_ucblocks = tda10071_read_ucblocks,
1307
1308 .diseqc_send_master_cmd = tda10071_diseqc_send_master_cmd,
1309 .diseqc_recv_slave_reply = tda10071_diseqc_recv_slave_reply,
1310 .diseqc_send_burst = tda10071_diseqc_send_burst,
1311
1312 .set_tone = tda10071_set_tone,
1313 .set_voltage = tda10071_set_voltage,
1314};
1315
1316static struct dvb_frontend *tda10071_get_dvb_frontend(struct i2c_client *client)
1317{
1318 struct tda10071_priv *dev = i2c_get_clientdata(client);
1319
1320 dev_dbg(&client->dev, "\n");
1321
1322 return &dev->fe;
1323}
1324
1325static int tda10071_probe(struct i2c_client *client,
1326 const struct i2c_device_id *id)
1327{
1328 struct tda10071_priv *dev;
1329 struct tda10071_platform_data *pdata = client->dev.platform_data;
1330 int ret;
1331 u8 u8tmp;
1332
1333 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
1334 if (!dev) {
1335 ret = -ENOMEM;
1336 goto err;
1337 }
1338
1339 dev->client = client;
1340 dev->i2c = client->adapter;
1341 dev->cfg.demod_i2c_addr = client->addr;
1342 dev->cfg.i2c_wr_max = pdata->i2c_wr_max;
1343 dev->cfg.ts_mode = pdata->ts_mode;
1344 dev->cfg.spec_inv = pdata->spec_inv;
1345 dev->cfg.xtal = pdata->clk;
1346 dev->cfg.pll_multiplier = pdata->pll_multiplier;
1347 dev->cfg.tuner_i2c_addr = pdata->tuner_i2c_addr;
1348
1349
1350 ret = tda10071_rd_reg(dev, 0xff, &u8tmp);
1351 if (ret)
1352 goto err_kfree;
1353 if (u8tmp != 0x0f) {
1354 ret = -ENODEV;
1355 goto err_kfree;
1356 }
1357
1358
1359 ret = tda10071_rd_reg(dev, 0xdd, &u8tmp);
1360 if (ret)
1361 goto err_kfree;
1362 if (u8tmp != 0x00) {
1363 ret = -ENODEV;
1364 goto err_kfree;
1365 }
1366
1367
1368 ret = tda10071_rd_reg(dev, 0xfe, &u8tmp);
1369 if (ret)
1370 goto err_kfree;
1371 if (u8tmp != 0x01) {
1372 ret = -ENODEV;
1373 goto err_kfree;
1374 }
1375
1376
1377 memcpy(&dev->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops));
1378 dev->fe.ops.release = NULL;
1379 dev->fe.demodulator_priv = dev;
1380 i2c_set_clientdata(client, dev);
1381
1382
1383 pdata->get_dvb_frontend = tda10071_get_dvb_frontend;
1384
1385 dev_info(&client->dev, "NXP TDA10071 successfully identified\n");
1386 return 0;
1387err_kfree:
1388 kfree(dev);
1389err:
1390 dev_dbg(&client->dev, "failed=%d\n", ret);
1391 return ret;
1392}
1393
1394static int tda10071_remove(struct i2c_client *client)
1395{
1396 struct tda10071_dev *dev = i2c_get_clientdata(client);
1397
1398 dev_dbg(&client->dev, "\n");
1399
1400 kfree(dev);
1401 return 0;
1402}
1403
1404static const struct i2c_device_id tda10071_id_table[] = {
1405 {"tda10071_cx24118", 0},
1406 {}
1407};
1408MODULE_DEVICE_TABLE(i2c, tda10071_id_table);
1409
1410static struct i2c_driver tda10071_driver = {
1411 .driver = {
1412 .owner = THIS_MODULE,
1413 .name = "tda10071",
1414 .suppress_bind_attrs = true,
1415 },
1416 .probe = tda10071_probe,
1417 .remove = tda10071_remove,
1418 .id_table = tda10071_id_table,
1419};
1420
1421module_i2c_driver(tda10071_driver);
1422
1423MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1424MODULE_DESCRIPTION("NXP TDA10071 DVB-S/S2 demodulator driver");
1425MODULE_LICENSE("GPL");
1426MODULE_FIRMWARE(TDA10071_FIRMWARE);
1427
