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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-13 22:13:41 -0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-13 22:13:41 -0400
commit9a0bf528b4d66b605f02634236da085595c22101 (patch)
treee9ff008ff15c3ee5add6d41173ee5e61939480dd /drivers/media/dvb/frontends/tda10071.c
parent3d6c2bc08ac4f75bf3597740357c98f2207ca412 (diff)
[media] move the dvb/frontends to drivers/media/dvb-frontends
Raise the DVB frontends one level up, as the intention is to remove the drivers/media/dvb directory. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends/tda10071.c')
-rw-r--r--drivers/media/dvb/frontends/tda10071.c1284
1 files changed, 0 insertions, 1284 deletions
diff --git a/drivers/media/dvb/frontends/tda10071.c b/drivers/media/dvb/frontends/tda10071.c
deleted file mode 100644
index 703c3d05f9f4..000000000000
--- a/drivers/media/dvb/frontends/tda10071.c
+++ /dev/null
@@ -1,1284 +0,0 @@
1/*
2 * NXP TDA10071 + Conexant CX24118A DVB-S/S2 demodulator + tuner driver
3 *
4 * Copyright (C) 2011 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 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 */
20
21#include "tda10071_priv.h"
22
23static struct dvb_frontend_ops tda10071_ops;
24
25/* write multiple registers */
26static int tda10071_wr_regs(struct tda10071_priv *priv, u8 reg, u8 *val,
27 int len)
28{
29 int ret;
30 u8 buf[len+1];
31 struct i2c_msg msg[1] = {
32 {
33 .addr = priv->cfg.i2c_address,
34 .flags = 0,
35 .len = sizeof(buf),
36 .buf = buf,
37 }
38 };
39
40 buf[0] = reg;
41 memcpy(&buf[1], val, len);
42
43 ret = i2c_transfer(priv->i2c, msg, 1);
44 if (ret == 1) {
45 ret = 0;
46 } else {
47 dev_warn(&priv->i2c->dev, "%s: i2c wr failed=%d reg=%02x " \
48 "len=%d\n", KBUILD_MODNAME, ret, reg, len);
49 ret = -EREMOTEIO;
50 }
51 return ret;
52}
53
54/* read multiple registers */
55static int tda10071_rd_regs(struct tda10071_priv *priv, u8 reg, u8 *val,
56 int len)
57{
58 int ret;
59 u8 buf[len];
60 struct i2c_msg msg[2] = {
61 {
62 .addr = priv->cfg.i2c_address,
63 .flags = 0,
64 .len = 1,
65 .buf = &reg,
66 }, {
67 .addr = priv->cfg.i2c_address,
68 .flags = I2C_M_RD,
69 .len = sizeof(buf),
70 .buf = buf,
71 }
72 };
73
74 ret = i2c_transfer(priv->i2c, msg, 2);
75 if (ret == 2) {
76 memcpy(val, buf, len);
77 ret = 0;
78 } else {
79 dev_warn(&priv->i2c->dev, "%s: i2c rd failed=%d reg=%02x " \
80 "len=%d\n", KBUILD_MODNAME, ret, reg, len);
81 ret = -EREMOTEIO;
82 }
83 return ret;
84}
85
86/* write single register */
87static int tda10071_wr_reg(struct tda10071_priv *priv, u8 reg, u8 val)
88{
89 return tda10071_wr_regs(priv, reg, &val, 1);
90}
91
92/* read single register */
93static int tda10071_rd_reg(struct tda10071_priv *priv, u8 reg, u8 *val)
94{
95 return tda10071_rd_regs(priv, reg, val, 1);
96}
97
98/* write single register with mask */
99int tda10071_wr_reg_mask(struct tda10071_priv *priv, u8 reg, u8 val, u8 mask)
100{
101 int ret;
102 u8 tmp;
103
104 /* no need for read if whole reg is written */
105 if (mask != 0xff) {
106 ret = tda10071_rd_regs(priv, reg, &tmp, 1);
107 if (ret)
108 return ret;
109
110 val &= mask;
111 tmp &= ~mask;
112 val |= tmp;
113 }
114
115 return tda10071_wr_regs(priv, reg, &val, 1);
116}
117
118/* read single register with mask */
119int tda10071_rd_reg_mask(struct tda10071_priv *priv, u8 reg, u8 *val, u8 mask)
120{
121 int ret, i;
122 u8 tmp;
123
124 ret = tda10071_rd_regs(priv, reg, &tmp, 1);
125 if (ret)
126 return ret;
127
128 tmp &= mask;
129
130 /* find position of the first bit */
131 for (i = 0; i < 8; i++) {
132 if ((mask >> i) & 0x01)
133 break;
134 }
135 *val = tmp >> i;
136
137 return 0;
138}
139
140/* execute firmware command */
141static int tda10071_cmd_execute(struct tda10071_priv *priv,
142 struct tda10071_cmd *cmd)
143{
144 int ret, i;
145 u8 tmp;
146
147 if (!priv->warm) {
148 ret = -EFAULT;
149 goto error;
150 }
151
152 /* write cmd and args for firmware */
153 ret = tda10071_wr_regs(priv, 0x00, cmd->args, cmd->len);
154 if (ret)
155 goto error;
156
157 /* start cmd execution */
158 ret = tda10071_wr_reg(priv, 0x1f, 1);
159 if (ret)
160 goto error;
161
162 /* wait cmd execution terminate */
163 for (i = 1000, tmp = 1; i && tmp; i--) {
164 ret = tda10071_rd_reg(priv, 0x1f, &tmp);
165 if (ret)
166 goto error;
167
168 usleep_range(200, 5000);
169 }
170
171 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
172
173 if (i == 0) {
174 ret = -ETIMEDOUT;
175 goto error;
176 }
177
178 return ret;
179error:
180 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
181 return ret;
182}
183
184static int tda10071_set_tone(struct dvb_frontend *fe,
185 fe_sec_tone_mode_t fe_sec_tone_mode)
186{
187 struct tda10071_priv *priv = fe->demodulator_priv;
188 struct tda10071_cmd cmd;
189 int ret;
190 u8 tone;
191
192 if (!priv->warm) {
193 ret = -EFAULT;
194 goto error;
195 }
196
197 dev_dbg(&priv->i2c->dev, "%s: tone_mode=%d\n", __func__,
198 fe_sec_tone_mode);
199
200 switch (fe_sec_tone_mode) {
201 case SEC_TONE_ON:
202 tone = 1;
203 break;
204 case SEC_TONE_OFF:
205 tone = 0;
206 break;
207 default:
208 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_tone_mode\n",
209 __func__);
210 ret = -EINVAL;
211 goto error;
212 }
213
214 cmd.args[0] = CMD_LNB_PCB_CONFIG;
215 cmd.args[1] = 0;
216 cmd.args[2] = 0x00;
217 cmd.args[3] = 0x00;
218 cmd.args[4] = tone;
219 cmd.len = 5;
220 ret = tda10071_cmd_execute(priv, &cmd);
221 if (ret)
222 goto error;
223
224 return ret;
225error:
226 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
227 return ret;
228}
229
230static int tda10071_set_voltage(struct dvb_frontend *fe,
231 fe_sec_voltage_t fe_sec_voltage)
232{
233 struct tda10071_priv *priv = fe->demodulator_priv;
234 struct tda10071_cmd cmd;
235 int ret;
236 u8 voltage;
237
238 if (!priv->warm) {
239 ret = -EFAULT;
240 goto error;
241 }
242
243 dev_dbg(&priv->i2c->dev, "%s: voltage=%d\n", __func__, fe_sec_voltage);
244
245 switch (fe_sec_voltage) {
246 case SEC_VOLTAGE_13:
247 voltage = 0;
248 break;
249 case SEC_VOLTAGE_18:
250 voltage = 1;
251 break;
252 case SEC_VOLTAGE_OFF:
253 voltage = 0;
254 break;
255 default:
256 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_voltage\n",
257 __func__);
258 ret = -EINVAL;
259 goto error;
260 };
261
262 cmd.args[0] = CMD_LNB_SET_DC_LEVEL;
263 cmd.args[1] = 0;
264 cmd.args[2] = voltage;
265 cmd.len = 3;
266 ret = tda10071_cmd_execute(priv, &cmd);
267 if (ret)
268 goto error;
269
270 return ret;
271error:
272 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
273 return ret;
274}
275
276static int tda10071_diseqc_send_master_cmd(struct dvb_frontend *fe,
277 struct dvb_diseqc_master_cmd *diseqc_cmd)
278{
279 struct tda10071_priv *priv = fe->demodulator_priv;
280 struct tda10071_cmd cmd;
281 int ret, i;
282 u8 tmp;
283
284 if (!priv->warm) {
285 ret = -EFAULT;
286 goto error;
287 }
288
289 dev_dbg(&priv->i2c->dev, "%s: msg_len=%d\n", __func__,
290 diseqc_cmd->msg_len);
291
292 if (diseqc_cmd->msg_len < 3 || diseqc_cmd->msg_len > 6) {
293 ret = -EINVAL;
294 goto error;
295 }
296
297 /* wait LNB TX */
298 for (i = 500, tmp = 0; i && !tmp; i--) {
299 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01);
300 if (ret)
301 goto error;
302
303 usleep_range(10000, 20000);
304 }
305
306 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
307
308 if (i == 0) {
309 ret = -ETIMEDOUT;
310 goto error;
311 }
312
313 ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01);
314 if (ret)
315 goto error;
316
317 cmd.args[0] = CMD_LNB_SEND_DISEQC;
318 cmd.args[1] = 0;
319 cmd.args[2] = 0;
320 cmd.args[3] = 0;
321 cmd.args[4] = 2;
322 cmd.args[5] = 0;
323 cmd.args[6] = diseqc_cmd->msg_len;
324 memcpy(&cmd.args[7], diseqc_cmd->msg, diseqc_cmd->msg_len);
325 cmd.len = 7 + diseqc_cmd->msg_len;
326 ret = tda10071_cmd_execute(priv, &cmd);
327 if (ret)
328 goto error;
329
330 return ret;
331error:
332 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
333 return ret;
334}
335
336static int tda10071_diseqc_recv_slave_reply(struct dvb_frontend *fe,
337 struct dvb_diseqc_slave_reply *reply)
338{
339 struct tda10071_priv *priv = fe->demodulator_priv;
340 struct tda10071_cmd cmd;
341 int ret, i;
342 u8 tmp;
343
344 if (!priv->warm) {
345 ret = -EFAULT;
346 goto error;
347 }
348
349 dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
350
351 /* wait LNB RX */
352 for (i = 500, tmp = 0; i && !tmp; i--) {
353 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x02);
354 if (ret)
355 goto error;
356
357 usleep_range(10000, 20000);
358 }
359
360 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
361
362 if (i == 0) {
363 ret = -ETIMEDOUT;
364 goto error;
365 }
366
367 /* reply len */
368 ret = tda10071_rd_reg(priv, 0x46, &tmp);
369 if (ret)
370 goto error;
371
372 reply->msg_len = tmp & 0x1f; /* [4:0] */;
373 if (reply->msg_len > sizeof(reply->msg))
374 reply->msg_len = sizeof(reply->msg); /* truncate API max */
375
376 /* read reply */
377 cmd.args[0] = CMD_LNB_UPDATE_REPLY;
378 cmd.args[1] = 0;
379 cmd.len = 2;
380 ret = tda10071_cmd_execute(priv, &cmd);
381 if (ret)
382 goto error;
383
384 ret = tda10071_rd_regs(priv, cmd.len, reply->msg, reply->msg_len);
385 if (ret)
386 goto error;
387
388 return ret;
389error:
390 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
391 return ret;
392}
393
394static int tda10071_diseqc_send_burst(struct dvb_frontend *fe,
395 fe_sec_mini_cmd_t fe_sec_mini_cmd)
396{
397 struct tda10071_priv *priv = fe->demodulator_priv;
398 struct tda10071_cmd cmd;
399 int ret, i;
400 u8 tmp, burst;
401
402 if (!priv->warm) {
403 ret = -EFAULT;
404 goto error;
405 }
406
407 dev_dbg(&priv->i2c->dev, "%s: fe_sec_mini_cmd=%d\n", __func__,
408 fe_sec_mini_cmd);
409
410 switch (fe_sec_mini_cmd) {
411 case SEC_MINI_A:
412 burst = 0;
413 break;
414 case SEC_MINI_B:
415 burst = 1;
416 break;
417 default:
418 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_mini_cmd\n",
419 __func__);
420 ret = -EINVAL;
421 goto error;
422 }
423
424 /* wait LNB TX */
425 for (i = 500, tmp = 0; i && !tmp; i--) {
426 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01);
427 if (ret)
428 goto error;
429
430 usleep_range(10000, 20000);
431 }
432
433 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
434
435 if (i == 0) {
436 ret = -ETIMEDOUT;
437 goto error;
438 }
439
440 ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01);
441 if (ret)
442 goto error;
443
444 cmd.args[0] = CMD_LNB_SEND_TONEBURST;
445 cmd.args[1] = 0;
446 cmd.args[2] = burst;
447 cmd.len = 3;
448 ret = tda10071_cmd_execute(priv, &cmd);
449 if (ret)
450 goto error;
451
452 return ret;
453error:
454 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
455 return ret;
456}
457
458static int tda10071_read_status(struct dvb_frontend *fe, fe_status_t *status)
459{
460 struct tda10071_priv *priv = fe->demodulator_priv;
461 int ret;
462 u8 tmp;
463
464 *status = 0;
465
466 if (!priv->warm) {
467 ret = 0;
468 goto error;
469 }
470
471 ret = tda10071_rd_reg(priv, 0x39, &tmp);
472 if (ret)
473 goto error;
474
475 if (tmp & 0x01) /* tuner PLL */
476 *status |= FE_HAS_SIGNAL;
477 if (tmp & 0x02) /* demod PLL */
478 *status |= FE_HAS_CARRIER;
479 if (tmp & 0x04) /* viterbi or LDPC*/
480 *status |= FE_HAS_VITERBI;
481 if (tmp & 0x08) /* RS or BCH */
482 *status |= FE_HAS_SYNC | FE_HAS_LOCK;
483
484 priv->fe_status = *status;
485
486 return ret;
487error:
488 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
489 return ret;
490}
491
492static int tda10071_read_snr(struct dvb_frontend *fe, u16 *snr)
493{
494 struct tda10071_priv *priv = fe->demodulator_priv;
495 int ret;
496 u8 buf[2];
497
498 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
499 *snr = 0;
500 ret = 0;
501 goto error;
502 }
503
504 ret = tda10071_rd_regs(priv, 0x3a, buf, 2);
505 if (ret)
506 goto error;
507
508 /* Es/No dBx10 */
509 *snr = buf[0] << 8 | buf[1];
510
511 return ret;
512error:
513 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
514 return ret;
515}
516
517static int tda10071_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
518{
519 struct tda10071_priv *priv = fe->demodulator_priv;
520 struct tda10071_cmd cmd;
521 int ret;
522 u8 tmp;
523
524 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
525 *strength = 0;
526 ret = 0;
527 goto error;
528 }
529
530 cmd.args[0] = CMD_GET_AGCACC;
531 cmd.args[1] = 0;
532 cmd.len = 2;
533 ret = tda10071_cmd_execute(priv, &cmd);
534 if (ret)
535 goto error;
536
537 /* input power estimate dBm */
538 ret = tda10071_rd_reg(priv, 0x50, &tmp);
539 if (ret)
540 goto error;
541
542 if (tmp < 181)
543 tmp = 181; /* -75 dBm */
544 else if (tmp > 236)
545 tmp = 236; /* -20 dBm */
546
547 /* scale value to 0x0000-0xffff */
548 *strength = (tmp-181) * 0xffff / (236-181);
549
550 return ret;
551error:
552 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
553 return ret;
554}
555
556static int tda10071_read_ber(struct dvb_frontend *fe, u32 *ber)
557{
558 struct tda10071_priv *priv = fe->demodulator_priv;
559 struct tda10071_cmd cmd;
560 int ret, i, len;
561 u8 tmp, reg, buf[8];
562
563 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
564 *ber = priv->ber = 0;
565 ret = 0;
566 goto error;
567 }
568
569 switch (priv->delivery_system) {
570 case SYS_DVBS:
571 reg = 0x4c;
572 len = 8;
573 i = 1;
574 break;
575 case SYS_DVBS2:
576 reg = 0x4d;
577 len = 4;
578 i = 0;
579 break;
580 default:
581 *ber = priv->ber = 0;
582 return 0;
583 }
584
585 ret = tda10071_rd_reg(priv, reg, &tmp);
586 if (ret)
587 goto error;
588
589 if (priv->meas_count[i] == tmp) {
590 dev_dbg(&priv->i2c->dev, "%s: meas not ready=%02x\n", __func__,
591 tmp);
592 *ber = priv->ber;
593 return 0;
594 } else {
595 priv->meas_count[i] = tmp;
596 }
597
598 cmd.args[0] = CMD_BER_UPDATE_COUNTERS;
599 cmd.args[1] = 0;
600 cmd.args[2] = i;
601 cmd.len = 3;
602 ret = tda10071_cmd_execute(priv, &cmd);
603 if (ret)
604 goto error;
605
606 ret = tda10071_rd_regs(priv, cmd.len, buf, len);
607 if (ret)
608 goto error;
609
610 if (priv->delivery_system == SYS_DVBS) {
611 *ber = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
612 priv->ucb += (buf[4] << 8) | buf[5];
613 } else {
614 *ber = (buf[0] << 8) | buf[1];
615 }
616 priv->ber = *ber;
617
618 return ret;
619error:
620 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
621 return ret;
622}
623
624static int tda10071_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
625{
626 struct tda10071_priv *priv = fe->demodulator_priv;
627 int ret = 0;
628
629 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
630 *ucblocks = 0;
631 goto error;
632 }
633
634 /* UCB is updated when BER is read. Assume BER is read anyway. */
635
636 *ucblocks = priv->ucb;
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_set_frontend(struct dvb_frontend *fe)
645{
646 struct tda10071_priv *priv = fe->demodulator_priv;
647 struct tda10071_cmd cmd;
648 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
649 int ret, i;
650 u8 mode, rolloff, pilot, inversion, div;
651
652 dev_dbg(&priv->i2c->dev, "%s: delivery_system=%d modulation=%d " \
653 "frequency=%d symbol_rate=%d inversion=%d pilot=%d " \
654 "rolloff=%d\n", __func__, c->delivery_system, c->modulation,
655 c->frequency, c->symbol_rate, c->inversion, c->pilot,
656 c->rolloff);
657
658 priv->delivery_system = SYS_UNDEFINED;
659
660 if (!priv->warm) {
661 ret = -EFAULT;
662 goto error;
663 }
664
665 switch (c->inversion) {
666 case INVERSION_OFF:
667 inversion = 1;
668 break;
669 case INVERSION_ON:
670 inversion = 0;
671 break;
672 case INVERSION_AUTO:
673 /* 2 = auto; try first on then off
674 * 3 = auto; try first off then on */
675 inversion = 3;
676 break;
677 default:
678 dev_dbg(&priv->i2c->dev, "%s: invalid inversion\n", __func__);
679 ret = -EINVAL;
680 goto error;
681 }
682
683 switch (c->delivery_system) {
684 case SYS_DVBS:
685 rolloff = 0;
686 pilot = 2;
687 break;
688 case SYS_DVBS2:
689 switch (c->rolloff) {
690 case ROLLOFF_20:
691 rolloff = 2;
692 break;
693 case ROLLOFF_25:
694 rolloff = 1;
695 break;
696 case ROLLOFF_35:
697 rolloff = 0;
698 break;
699 case ROLLOFF_AUTO:
700 default:
701 dev_dbg(&priv->i2c->dev, "%s: invalid rolloff\n",
702 __func__);
703 ret = -EINVAL;
704 goto error;
705 }
706
707 switch (c->pilot) {
708 case PILOT_OFF:
709 pilot = 0;
710 break;
711 case PILOT_ON:
712 pilot = 1;
713 break;
714 case PILOT_AUTO:
715 pilot = 2;
716 break;
717 default:
718 dev_dbg(&priv->i2c->dev, "%s: invalid pilot\n",
719 __func__);
720 ret = -EINVAL;
721 goto error;
722 }
723 break;
724 default:
725 dev_dbg(&priv->i2c->dev, "%s: invalid delivery_system\n",
726 __func__);
727 ret = -EINVAL;
728 goto error;
729 }
730
731 for (i = 0, mode = 0xff; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
732 if (c->delivery_system == TDA10071_MODCOD[i].delivery_system &&
733 c->modulation == TDA10071_MODCOD[i].modulation &&
734 c->fec_inner == TDA10071_MODCOD[i].fec) {
735 mode = TDA10071_MODCOD[i].val;
736 dev_dbg(&priv->i2c->dev, "%s: mode found=%02x\n",
737 __func__, mode);
738 break;
739 }
740 }
741
742 if (mode == 0xff) {
743 dev_dbg(&priv->i2c->dev, "%s: invalid parameter combination\n",
744 __func__);
745 ret = -EINVAL;
746 goto error;
747 }
748
749 if (c->symbol_rate <= 5000000)
750 div = 14;
751 else
752 div = 4;
753
754 ret = tda10071_wr_reg(priv, 0x81, div);
755 if (ret)
756 goto error;
757
758 ret = tda10071_wr_reg(priv, 0xe3, div);
759 if (ret)
760 goto error;
761
762 cmd.args[0] = CMD_CHANGE_CHANNEL;
763 cmd.args[1] = 0;
764 cmd.args[2] = mode;
765 cmd.args[3] = (c->frequency >> 16) & 0xff;
766 cmd.args[4] = (c->frequency >> 8) & 0xff;
767 cmd.args[5] = (c->frequency >> 0) & 0xff;
768 cmd.args[6] = ((c->symbol_rate / 1000) >> 8) & 0xff;
769 cmd.args[7] = ((c->symbol_rate / 1000) >> 0) & 0xff;
770 cmd.args[8] = (tda10071_ops.info.frequency_tolerance >> 8) & 0xff;
771 cmd.args[9] = (tda10071_ops.info.frequency_tolerance >> 0) & 0xff;
772 cmd.args[10] = rolloff;
773 cmd.args[11] = inversion;
774 cmd.args[12] = pilot;
775 cmd.args[13] = 0x00;
776 cmd.args[14] = 0x00;
777 cmd.len = 15;
778 ret = tda10071_cmd_execute(priv, &cmd);
779 if (ret)
780 goto error;
781
782 priv->delivery_system = c->delivery_system;
783
784 return ret;
785error:
786 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
787 return ret;
788}
789
790static int tda10071_get_frontend(struct dvb_frontend *fe)
791{
792 struct tda10071_priv *priv = fe->demodulator_priv;
793 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
794 int ret, i;
795 u8 buf[5], tmp;
796
797 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
798 ret = -EFAULT;
799 goto error;
800 }
801
802 ret = tda10071_rd_regs(priv, 0x30, buf, 5);
803 if (ret)
804 goto error;
805
806 tmp = buf[0] & 0x3f;
807 for (i = 0; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
808 if (tmp == TDA10071_MODCOD[i].val) {
809 c->modulation = TDA10071_MODCOD[i].modulation;
810 c->fec_inner = TDA10071_MODCOD[i].fec;
811 c->delivery_system = TDA10071_MODCOD[i].delivery_system;
812 }
813 }
814
815 switch ((buf[1] >> 0) & 0x01) {
816 case 0:
817 c->inversion = INVERSION_OFF;
818 break;
819 case 1:
820 c->inversion = INVERSION_ON;
821 break;
822 }
823
824 switch ((buf[1] >> 7) & 0x01) {
825 case 0:
826 c->pilot = PILOT_OFF;
827 break;
828 case 1:
829 c->pilot = PILOT_ON;
830 break;
831 }
832
833 c->frequency = (buf[2] << 16) | (buf[3] << 8) | (buf[4] << 0);
834
835 ret = tda10071_rd_regs(priv, 0x52, buf, 3);
836 if (ret)
837 goto error;
838
839 c->symbol_rate = (buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0);
840
841 return ret;
842error:
843 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
844 return ret;
845}
846
847static int tda10071_init(struct dvb_frontend *fe)
848{
849 struct tda10071_priv *priv = fe->demodulator_priv;
850 struct tda10071_cmd cmd;
851 int ret, i, len, remaining, fw_size;
852 const struct firmware *fw;
853 u8 *fw_file = TDA10071_DEFAULT_FIRMWARE;
854 u8 tmp, buf[4];
855 struct tda10071_reg_val_mask tab[] = {
856 { 0xcd, 0x00, 0x07 },
857 { 0x80, 0x00, 0x02 },
858 { 0xcd, 0x00, 0xc0 },
859 { 0xce, 0x00, 0x1b },
860 { 0x9d, 0x00, 0x01 },
861 { 0x9d, 0x00, 0x02 },
862 { 0x9e, 0x00, 0x01 },
863 { 0x87, 0x00, 0x80 },
864 { 0xce, 0x00, 0x08 },
865 { 0xce, 0x00, 0x10 },
866 };
867 struct tda10071_reg_val_mask tab2[] = {
868 { 0xf1, 0x70, 0xff },
869 { 0x88, priv->cfg.pll_multiplier, 0x3f },
870 { 0x89, 0x00, 0x10 },
871 { 0x89, 0x10, 0x10 },
872 { 0xc0, 0x01, 0x01 },
873 { 0xc0, 0x00, 0x01 },
874 { 0xe0, 0xff, 0xff },
875 { 0xe0, 0x00, 0xff },
876 { 0x96, 0x1e, 0x7e },
877 { 0x8b, 0x08, 0x08 },
878 { 0x8b, 0x00, 0x08 },
879 { 0x8f, 0x1a, 0x7e },
880 { 0x8c, 0x68, 0xff },
881 { 0x8d, 0x08, 0xff },
882 { 0x8e, 0x4c, 0xff },
883 { 0x8f, 0x01, 0x01 },
884 { 0x8b, 0x04, 0x04 },
885 { 0x8b, 0x00, 0x04 },
886 { 0x87, 0x05, 0x07 },
887 { 0x80, 0x00, 0x20 },
888 { 0xc8, 0x01, 0xff },
889 { 0xb4, 0x47, 0xff },
890 { 0xb5, 0x9c, 0xff },
891 { 0xb6, 0x7d, 0xff },
892 { 0xba, 0x00, 0x03 },
893 { 0xb7, 0x47, 0xff },
894 { 0xb8, 0x9c, 0xff },
895 { 0xb9, 0x7d, 0xff },
896 { 0xba, 0x00, 0x0c },
897 { 0xc8, 0x00, 0xff },
898 { 0xcd, 0x00, 0x04 },
899 { 0xcd, 0x00, 0x20 },
900 { 0xe8, 0x02, 0xff },
901 { 0xcf, 0x20, 0xff },
902 { 0x9b, 0xd7, 0xff },
903 { 0x9a, 0x01, 0x03 },
904 { 0xa8, 0x05, 0x0f },
905 { 0xa8, 0x65, 0xf0 },
906 { 0xa6, 0xa0, 0xf0 },
907 { 0x9d, 0x50, 0xfc },
908 { 0x9e, 0x20, 0xe0 },
909 { 0xa3, 0x1c, 0x7c },
910 { 0xd5, 0x03, 0x03 },
911 };
912
913 /* firmware status */
914 ret = tda10071_rd_reg(priv, 0x51, &tmp);
915 if (ret)
916 goto error;
917
918 if (!tmp) {
919 /* warm state - wake up device from sleep */
920 priv->warm = 1;
921
922 for (i = 0; i < ARRAY_SIZE(tab); i++) {
923 ret = tda10071_wr_reg_mask(priv, tab[i].reg,
924 tab[i].val, tab[i].mask);
925 if (ret)
926 goto error;
927 }
928
929 cmd.args[0] = CMD_SET_SLEEP_MODE;
930 cmd.args[1] = 0;
931 cmd.args[2] = 0;
932 cmd.len = 3;
933 ret = tda10071_cmd_execute(priv, &cmd);
934 if (ret)
935 goto error;
936 } else {
937 /* cold state - try to download firmware */
938 priv->warm = 0;
939
940 /* request the firmware, this will block and timeout */
941 ret = request_firmware(&fw, fw_file, priv->i2c->dev.parent);
942 if (ret) {
943 dev_err(&priv->i2c->dev, "%s: did not find the " \
944 "firmware file. (%s) Please see " \
945 "linux/Documentation/dvb/ for more " \
946 "details on firmware-problems. (%d)\n",
947 KBUILD_MODNAME, fw_file, ret);
948 goto error;
949 }
950
951 /* init */
952 for (i = 0; i < ARRAY_SIZE(tab2); i++) {
953 ret = tda10071_wr_reg_mask(priv, tab2[i].reg,
954 tab2[i].val, tab2[i].mask);
955 if (ret)
956 goto error_release_firmware;
957 }
958
959 /* download firmware */
960 ret = tda10071_wr_reg(priv, 0xe0, 0x7f);
961 if (ret)
962 goto error_release_firmware;
963
964 ret = tda10071_wr_reg(priv, 0xf7, 0x81);
965 if (ret)
966 goto error_release_firmware;
967
968 ret = tda10071_wr_reg(priv, 0xf8, 0x00);
969 if (ret)
970 goto error_release_firmware;
971
972 ret = tda10071_wr_reg(priv, 0xf9, 0x00);
973 if (ret)
974 goto error_release_firmware;
975
976 dev_info(&priv->i2c->dev, "%s: found a '%s' in cold state, " \
977 "will try to load a firmware\n", KBUILD_MODNAME,
978 tda10071_ops.info.name);
979 dev_info(&priv->i2c->dev, "%s: downloading firmware from " \
980 "file '%s'\n", KBUILD_MODNAME, fw_file);
981
982 /* do not download last byte */
983 fw_size = fw->size - 1;
984
985 for (remaining = fw_size; remaining > 0;
986 remaining -= (priv->cfg.i2c_wr_max - 1)) {
987 len = remaining;
988 if (len > (priv->cfg.i2c_wr_max - 1))
989 len = (priv->cfg.i2c_wr_max - 1);
990
991 ret = tda10071_wr_regs(priv, 0xfa,
992 (u8 *) &fw->data[fw_size - remaining], len);
993 if (ret) {
994 dev_err(&priv->i2c->dev, "%s: firmware " \
995 "download failed=%d\n",
996 KBUILD_MODNAME, ret);
997 if (ret)
998 goto error_release_firmware;
999 }
1000 }
1001 release_firmware(fw);
1002
1003 ret = tda10071_wr_reg(priv, 0xf7, 0x0c);
1004 if (ret)
1005 goto error;
1006
1007 ret = tda10071_wr_reg(priv, 0xe0, 0x00);
1008 if (ret)
1009 goto error;
1010
1011 /* wait firmware start */
1012 msleep(250);
1013
1014 /* firmware status */
1015 ret = tda10071_rd_reg(priv, 0x51, &tmp);
1016 if (ret)
1017 goto error;
1018
1019 if (tmp) {
1020 dev_info(&priv->i2c->dev, "%s: firmware did not run\n",
1021 KBUILD_MODNAME);
1022 ret = -EFAULT;
1023 goto error;
1024 } else {
1025 priv->warm = 1;
1026 }
1027
1028 cmd.args[0] = CMD_GET_FW_VERSION;
1029 cmd.len = 1;
1030 ret = tda10071_cmd_execute(priv, &cmd);
1031 if (ret)
1032 goto error;
1033
1034 ret = tda10071_rd_regs(priv, cmd.len, buf, 4);
1035 if (ret)
1036 goto error;
1037
1038 dev_info(&priv->i2c->dev, "%s: firmware version %d.%d.%d.%d\n",
1039 KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3]);
1040 dev_info(&priv->i2c->dev, "%s: found a '%s' in warm state\n",
1041 KBUILD_MODNAME, tda10071_ops.info.name);
1042
1043 ret = tda10071_rd_regs(priv, 0x81, buf, 2);
1044 if (ret)
1045 goto error;
1046
1047 cmd.args[0] = CMD_DEMOD_INIT;
1048 cmd.args[1] = ((priv->cfg.xtal / 1000) >> 8) & 0xff;
1049 cmd.args[2] = ((priv->cfg.xtal / 1000) >> 0) & 0xff;
1050 cmd.args[3] = buf[0];
1051 cmd.args[4] = buf[1];
1052 cmd.args[5] = priv->cfg.pll_multiplier;
1053 cmd.args[6] = priv->cfg.spec_inv;
1054 cmd.args[7] = 0x00;
1055 cmd.len = 8;
1056 ret = tda10071_cmd_execute(priv, &cmd);
1057 if (ret)
1058 goto error;
1059
1060 cmd.args[0] = CMD_TUNER_INIT;
1061 cmd.args[1] = 0x00;
1062 cmd.args[2] = 0x00;
1063 cmd.args[3] = 0x00;
1064 cmd.args[4] = 0x00;
1065 cmd.args[5] = 0x14;
1066 cmd.args[6] = 0x00;
1067 cmd.args[7] = 0x03;
1068 cmd.args[8] = 0x02;
1069 cmd.args[9] = 0x02;
1070 cmd.args[10] = 0x00;
1071 cmd.args[11] = 0x00;
1072 cmd.args[12] = 0x00;
1073 cmd.args[13] = 0x00;
1074 cmd.args[14] = 0x00;
1075 cmd.len = 15;
1076 ret = tda10071_cmd_execute(priv, &cmd);
1077 if (ret)
1078 goto error;
1079
1080 cmd.args[0] = CMD_MPEG_CONFIG;
1081 cmd.args[1] = 0;
1082 cmd.args[2] = priv->cfg.ts_mode;
1083 cmd.args[3] = 0x00;
1084 cmd.args[4] = 0x04;
1085 cmd.args[5] = 0x00;
1086 cmd.len = 6;
1087 ret = tda10071_cmd_execute(priv, &cmd);
1088 if (ret)
1089 goto error;
1090
1091 ret = tda10071_wr_reg_mask(priv, 0xf0, 0x01, 0x01);
1092 if (ret)
1093 goto error;
1094
1095 cmd.args[0] = CMD_LNB_CONFIG;
1096 cmd.args[1] = 0;
1097 cmd.args[2] = 150;
1098 cmd.args[3] = 3;
1099 cmd.args[4] = 22;
1100 cmd.args[5] = 1;
1101 cmd.args[6] = 1;
1102 cmd.args[7] = 30;
1103 cmd.args[8] = 30;
1104 cmd.args[9] = 30;
1105 cmd.args[10] = 30;
1106 cmd.len = 11;
1107 ret = tda10071_cmd_execute(priv, &cmd);
1108 if (ret)
1109 goto error;
1110
1111 cmd.args[0] = CMD_BER_CONTROL;
1112 cmd.args[1] = 0;
1113 cmd.args[2] = 14;
1114 cmd.args[3] = 14;
1115 cmd.len = 4;
1116 ret = tda10071_cmd_execute(priv, &cmd);
1117 if (ret)
1118 goto error;
1119 }
1120
1121 return ret;
1122error_release_firmware:
1123 release_firmware(fw);
1124error:
1125 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
1126 return ret;
1127}
1128
1129static int tda10071_sleep(struct dvb_frontend *fe)
1130{
1131 struct tda10071_priv *priv = fe->demodulator_priv;
1132 struct tda10071_cmd cmd;
1133 int ret, i;
1134 struct tda10071_reg_val_mask tab[] = {
1135 { 0xcd, 0x07, 0x07 },
1136 { 0x80, 0x02, 0x02 },
1137 { 0xcd, 0xc0, 0xc0 },
1138 { 0xce, 0x1b, 0x1b },
1139 { 0x9d, 0x01, 0x01 },
1140 { 0x9d, 0x02, 0x02 },
1141 { 0x9e, 0x01, 0x01 },
1142 { 0x87, 0x80, 0x80 },
1143 { 0xce, 0x08, 0x08 },
1144 { 0xce, 0x10, 0x10 },
1145 };
1146
1147 if (!priv->warm) {
1148 ret = -EFAULT;
1149 goto error;
1150 }
1151
1152 cmd.args[0] = CMD_SET_SLEEP_MODE;
1153 cmd.args[1] = 0;
1154 cmd.args[2] = 1;
1155 cmd.len = 3;
1156 ret = tda10071_cmd_execute(priv, &cmd);
1157 if (ret)
1158 goto error;
1159
1160 for (i = 0; i < ARRAY_SIZE(tab); i++) {
1161 ret = tda10071_wr_reg_mask(priv, tab[i].reg, tab[i].val,
1162 tab[i].mask);
1163 if (ret)
1164 goto error;
1165 }
1166
1167 return ret;
1168error:
1169 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
1170 return ret;
1171}
1172
1173static int tda10071_get_tune_settings(struct dvb_frontend *fe,
1174 struct dvb_frontend_tune_settings *s)
1175{
1176 s->min_delay_ms = 8000;
1177 s->step_size = 0;
1178 s->max_drift = 0;
1179
1180 return 0;
1181}
1182
1183static void tda10071_release(struct dvb_frontend *fe)
1184{
1185 struct tda10071_priv *priv = fe->demodulator_priv;
1186 kfree(priv);
1187}
1188
1189struct dvb_frontend *tda10071_attach(const struct tda10071_config *config,
1190 struct i2c_adapter *i2c)
1191{
1192 int ret;
1193 struct tda10071_priv *priv = NULL;
1194 u8 tmp;
1195
1196 /* allocate memory for the internal priv */
1197 priv = kzalloc(sizeof(struct tda10071_priv), GFP_KERNEL);
1198 if (priv == NULL) {
1199 ret = -ENOMEM;
1200 goto error;
1201 }
1202
1203 /* setup the priv */
1204 priv->i2c = i2c;
1205 memcpy(&priv->cfg, config, sizeof(struct tda10071_config));
1206
1207 /* chip ID */
1208 ret = tda10071_rd_reg(priv, 0xff, &tmp);
1209 if (ret || tmp != 0x0f)
1210 goto error;
1211
1212 /* chip type */
1213 ret = tda10071_rd_reg(priv, 0xdd, &tmp);
1214 if (ret || tmp != 0x00)
1215 goto error;
1216
1217 /* chip version */
1218 ret = tda10071_rd_reg(priv, 0xfe, &tmp);
1219 if (ret || tmp != 0x01)
1220 goto error;
1221
1222 /* create dvb_frontend */
1223 memcpy(&priv->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops));
1224 priv->fe.demodulator_priv = priv;
1225
1226 return &priv->fe;
1227error:
1228 dev_dbg(&i2c->dev, "%s: failed=%d\n", __func__, ret);
1229 kfree(priv);
1230 return NULL;
1231}
1232EXPORT_SYMBOL(tda10071_attach);
1233
1234static struct dvb_frontend_ops tda10071_ops = {
1235 .delsys = { SYS_DVBS, SYS_DVBS2 },
1236 .info = {
1237 .name = "NXP TDA10071",
1238 .frequency_min = 950000,
1239 .frequency_max = 2150000,
1240 .frequency_tolerance = 5000,
1241 .symbol_rate_min = 1000000,
1242 .symbol_rate_max = 45000000,
1243 .caps = FE_CAN_INVERSION_AUTO |
1244 FE_CAN_FEC_1_2 |
1245 FE_CAN_FEC_2_3 |
1246 FE_CAN_FEC_3_4 |
1247 FE_CAN_FEC_4_5 |
1248 FE_CAN_FEC_5_6 |
1249 FE_CAN_FEC_6_7 |
1250 FE_CAN_FEC_7_8 |
1251 FE_CAN_FEC_8_9 |
1252 FE_CAN_FEC_AUTO |
1253 FE_CAN_QPSK |
1254 FE_CAN_RECOVER |
1255 FE_CAN_2G_MODULATION
1256 },
1257
1258 .release = tda10071_release,
1259
1260 .get_tune_settings = tda10071_get_tune_settings,
1261
1262 .init = tda10071_init,
1263 .sleep = tda10071_sleep,
1264
1265 .set_frontend = tda10071_set_frontend,
1266 .get_frontend = tda10071_get_frontend,
1267
1268 .read_status = tda10071_read_status,
1269 .read_snr = tda10071_read_snr,
1270 .read_signal_strength = tda10071_read_signal_strength,
1271 .read_ber = tda10071_read_ber,
1272 .read_ucblocks = tda10071_read_ucblocks,
1273
1274 .diseqc_send_master_cmd = tda10071_diseqc_send_master_cmd,
1275 .diseqc_recv_slave_reply = tda10071_diseqc_recv_slave_reply,
1276 .diseqc_send_burst = tda10071_diseqc_send_burst,
1277
1278 .set_tone = tda10071_set_tone,
1279 .set_voltage = tda10071_set_voltage,
1280};
1281
1282MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1283MODULE_DESCRIPTION("NXP TDA10071 DVB-S/S2 demodulator driver");
1284MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-28 11:54:59 -0500