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Merge branch 'for-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
[mirror_ubuntu-artful-kernel.git] / drivers / media / dvb-frontends / tda10071.c
CommitLineData
de8e4203
AP		 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
de8e4203
AP		 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 {
41f55d57 33 .addr = priv->cfg.demod_i2c_addr,
de8e4203
AP		 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 {
279bba0f
AP		 47 dev_warn(&priv->i2c->dev, "%s: i2c wr failed=%d reg=%02x " \
48 "len=%d\n", KBUILD_MODNAME, ret, reg, len);
de8e4203
AP		 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 {
41f55d57 62 .addr = priv->cfg.demod_i2c_addr,
de8e4203
AP		 63 .flags = 0,
64 .len = 1,
65 .buf = &reg,
66 }, {
41f55d57 67 .addr = priv->cfg.demod_i2c_addr,
de8e4203
AP		 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 {
279bba0f
AP		 79 dev_warn(&priv->i2c->dev, "%s: i2c rd failed=%d reg=%02x " \
80 "len=%d\n", KBUILD_MODNAME, ret, reg, len);
de8e4203
AP		 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 */
babb618d
MCC		 99static int tda10071_wr_reg_mask(struct tda10071_priv *priv,
100 u8 reg, u8 val, u8 mask)
de8e4203
AP		 101{
102 int ret;
103 u8 tmp;
104
105 /* no need for read if whole reg is written */
106 if (mask != 0xff) {
107 ret = tda10071_rd_regs(priv, reg, &tmp, 1);
108 if (ret)
109 return ret;
110
111 val &= mask;
112 tmp &= ~mask;
113 val |= tmp;
114 }
115
116 return tda10071_wr_regs(priv, reg, &val, 1);
117}
118
119/* read single register with mask */
babb618d
MCC		 120static int tda10071_rd_reg_mask(struct tda10071_priv *priv,
121 u8 reg, u8 *val, u8 mask)
de8e4203
AP		 122{
123 int ret, i;
124 u8 tmp;
125
126 ret = tda10071_rd_regs(priv, reg, &tmp, 1);
127 if (ret)
128 return ret;
129
130 tmp &= mask;
131
132 /* find position of the first bit */
133 for (i = 0; i < 8; i++) {
134 if ((mask >> i) & 0x01)
135 break;
136 }
137 *val = tmp >> i;
138
139 return 0;
140}
141
142/* execute firmware command */
143static int tda10071_cmd_execute(struct tda10071_priv *priv,
144 struct tda10071_cmd *cmd)
145{
146 int ret, i;
147 u8 tmp;
148
149 if (!priv->warm) {
150 ret = -EFAULT;
151 goto error;
152 }
153
154 /* write cmd and args for firmware */
155 ret = tda10071_wr_regs(priv, 0x00, cmd->args, cmd->len);
156 if (ret)
157 goto error;
158
159 /* start cmd execution */
160 ret = tda10071_wr_reg(priv, 0x1f, 1);
161 if (ret)
162 goto error;
163
164 /* wait cmd execution terminate */
165 for (i = 1000, tmp = 1; i && tmp; i--) {
166 ret = tda10071_rd_reg(priv, 0x1f, &tmp);
167 if (ret)
168 goto error;
169
d102b739 170 usleep_range(200, 5000);
de8e4203
AP		 171 }
172
279bba0f 173 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
de8e4203
AP		 174
175 if (i == 0) {
176 ret = -ETIMEDOUT;
177 goto error;
178 }
179
180 return ret;
181error:
279bba0f 182 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 183 return ret;
184}
185
186static int tda10071_set_tone(struct dvb_frontend *fe,
187 fe_sec_tone_mode_t fe_sec_tone_mode)
188{
189 struct tda10071_priv *priv = fe->demodulator_priv;
190 struct tda10071_cmd cmd;
191 int ret;
192 u8 tone;
193
194 if (!priv->warm) {
195 ret = -EFAULT;
196 goto error;
197 }
198
279bba0f
AP		 199 dev_dbg(&priv->i2c->dev, "%s: tone_mode=%d\n", __func__,
200 fe_sec_tone_mode);
de8e4203
AP		 201
202 switch (fe_sec_tone_mode) {
203 case SEC_TONE_ON:
204 tone = 1;
205 break;
206 case SEC_TONE_OFF:
207 tone = 0;
208 break;
209 default:
279bba0f
AP		 210 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_tone_mode\n",
211 __func__);
de8e4203
AP		 212 ret = -EINVAL;
213 goto error;
214 }
215
21c8ba39
AP		 216 cmd.args[0] = CMD_LNB_PCB_CONFIG;
217 cmd.args[1] = 0;
218 cmd.args[2] = 0x00;
219 cmd.args[3] = 0x00;
220 cmd.args[4] = tone;
221 cmd.len = 5;
de8e4203
AP		 222 ret = tda10071_cmd_execute(priv, &cmd);
223 if (ret)
224 goto error;
225
226 return ret;
227error:
279bba0f 228 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 229 return ret;
230}
231
232static int tda10071_set_voltage(struct dvb_frontend *fe,
233 fe_sec_voltage_t fe_sec_voltage)
234{
235 struct tda10071_priv *priv = fe->demodulator_priv;
236 struct tda10071_cmd cmd;
237 int ret;
238 u8 voltage;
239
240 if (!priv->warm) {
241 ret = -EFAULT;
242 goto error;
243 }
244
279bba0f 245 dev_dbg(&priv->i2c->dev, "%s: voltage=%d\n", __func__, fe_sec_voltage);
de8e4203
AP		 246
247 switch (fe_sec_voltage) {
248 case SEC_VOLTAGE_13:
249 voltage = 0;
250 break;
251 case SEC_VOLTAGE_18:
252 voltage = 1;
253 break;
254 case SEC_VOLTAGE_OFF:
255 voltage = 0;
256 break;
257 default:
279bba0f
AP		 258 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_voltage\n",
259 __func__);
de8e4203
AP		 260 ret = -EINVAL;
261 goto error;
8f5c997f 262 }
de8e4203 263
21c8ba39
AP		 264 cmd.args[0] = CMD_LNB_SET_DC_LEVEL;
265 cmd.args[1] = 0;
266 cmd.args[2] = voltage;
267 cmd.len = 3;
de8e4203
AP		 268 ret = tda10071_cmd_execute(priv, &cmd);
269 if (ret)
270 goto error;
271
272 return ret;
273error:
279bba0f 274 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 275 return ret;
276}
277
278static int tda10071_diseqc_send_master_cmd(struct dvb_frontend *fe,
279 struct dvb_diseqc_master_cmd *diseqc_cmd)
280{
281 struct tda10071_priv *priv = fe->demodulator_priv;
282 struct tda10071_cmd cmd;
283 int ret, i;
284 u8 tmp;
285
286 if (!priv->warm) {
287 ret = -EFAULT;
288 goto error;
289 }
290
279bba0f
AP		 291 dev_dbg(&priv->i2c->dev, "%s: msg_len=%d\n", __func__,
292 diseqc_cmd->msg_len);
de8e4203 293
84431c2a 294 if (diseqc_cmd->msg_len < 3 || diseqc_cmd->msg_len > 6) {
de8e4203
AP		 295 ret = -EINVAL;
296 goto error;
297 }
298
299 /* wait LNB TX */
300 for (i = 500, tmp = 0; i && !tmp; i--) {
301 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01);
302 if (ret)
303 goto error;
304
d102b739 305 usleep_range(10000, 20000);
de8e4203
AP		 306 }
307
279bba0f 308 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
de8e4203
AP		 309
310 if (i == 0) {
311 ret = -ETIMEDOUT;
312 goto error;
313 }
314
315 ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01);
316 if (ret)
317 goto error;
318
21c8ba39
AP		 319 cmd.args[0] = CMD_LNB_SEND_DISEQC;
320 cmd.args[1] = 0;
321 cmd.args[2] = 0;
322 cmd.args[3] = 0;
323 cmd.args[4] = 2;
324 cmd.args[5] = 0;
325 cmd.args[6] = diseqc_cmd->msg_len;
326 memcpy(&cmd.args[7], diseqc_cmd->msg, diseqc_cmd->msg_len);
327 cmd.len = 7 + diseqc_cmd->msg_len;
de8e4203
AP		 328 ret = tda10071_cmd_execute(priv, &cmd);
329 if (ret)
330 goto error;
331
332 return ret;
333error:
279bba0f 334 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 335 return ret;
336}
337
338static int tda10071_diseqc_recv_slave_reply(struct dvb_frontend *fe,
339 struct dvb_diseqc_slave_reply *reply)
340{
341 struct tda10071_priv *priv = fe->demodulator_priv;
342 struct tda10071_cmd cmd;
343 int ret, i;
344 u8 tmp;
345
346 if (!priv->warm) {
347 ret = -EFAULT;
348 goto error;
349 }
350
279bba0f 351 dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
de8e4203
AP		 352
353 /* wait LNB RX */
354 for (i = 500, tmp = 0; i && !tmp; i--) {
355 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x02);
356 if (ret)
357 goto error;
358
d102b739 359 usleep_range(10000, 20000);
de8e4203
AP		 360 }
361
279bba0f 362 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
de8e4203
AP		 363
364 if (i == 0) {
365 ret = -ETIMEDOUT;
366 goto error;
367 }
368
369 /* reply len */
370 ret = tda10071_rd_reg(priv, 0x46, &tmp);
371 if (ret)
372 goto error;
373
8f5c997f 374 reply->msg_len = tmp & 0x1f; /* [4:0] */
de8e4203
AP		 375 if (reply->msg_len > sizeof(reply->msg))
376 reply->msg_len = sizeof(reply->msg); /* truncate API max */
377
378 /* read reply */
21c8ba39
AP		 379 cmd.args[0] = CMD_LNB_UPDATE_REPLY;
380 cmd.args[1] = 0;
381 cmd.len = 2;
de8e4203
AP		 382 ret = tda10071_cmd_execute(priv, &cmd);
383 if (ret)
384 goto error;
385
386 ret = tda10071_rd_regs(priv, cmd.len, reply->msg, reply->msg_len);
387 if (ret)
388 goto error;
389
390 return ret;
391error:
279bba0f 392 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 393 return ret;
394}
395
396static int tda10071_diseqc_send_burst(struct dvb_frontend *fe,
397 fe_sec_mini_cmd_t fe_sec_mini_cmd)
398{
399 struct tda10071_priv *priv = fe->demodulator_priv;
400 struct tda10071_cmd cmd;
401 int ret, i;
402 u8 tmp, burst;
403
404 if (!priv->warm) {
405 ret = -EFAULT;
406 goto error;
407 }
408
279bba0f
AP		 409 dev_dbg(&priv->i2c->dev, "%s: fe_sec_mini_cmd=%d\n", __func__,
410 fe_sec_mini_cmd);
de8e4203
AP		 411
412 switch (fe_sec_mini_cmd) {
413 case SEC_MINI_A:
414 burst = 0;
415 break;
416 case SEC_MINI_B:
417 burst = 1;
418 break;
419 default:
279bba0f
AP		 420 dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_mini_cmd\n",
421 __func__);
de8e4203
AP		 422 ret = -EINVAL;
423 goto error;
424 }
425
426 /* wait LNB TX */
427 for (i = 500, tmp = 0; i && !tmp; i--) {
428 ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01);
429 if (ret)
430 goto error;
431
d102b739 432 usleep_range(10000, 20000);
de8e4203
AP		 433 }
434
279bba0f 435 dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
de8e4203
AP		 436
437 if (i == 0) {
438 ret = -ETIMEDOUT;
439 goto error;
440 }
441
442 ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01);
443 if (ret)
444 goto error;
445
21c8ba39
AP		 446 cmd.args[0] = CMD_LNB_SEND_TONEBURST;
447 cmd.args[1] = 0;
448 cmd.args[2] = burst;
449 cmd.len = 3;
de8e4203
AP		 450 ret = tda10071_cmd_execute(priv, &cmd);
451 if (ret)
452 goto error;
453
454 return ret;
455error:
279bba0f 456 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 457 return ret;
458}
459
460static int tda10071_read_status(struct dvb_frontend *fe, fe_status_t *status)
461{
462 struct tda10071_priv *priv = fe->demodulator_priv;
463 int ret;
464 u8 tmp;
465
466 *status = 0;
467
468 if (!priv->warm) {
469 ret = 0;
470 goto error;
471 }
472
473 ret = tda10071_rd_reg(priv, 0x39, &tmp);
474 if (ret)
475 goto error;
476
477 if (tmp & 0x01) /* tuner PLL */
478 *status |= FE_HAS_SIGNAL;
479 if (tmp & 0x02) /* demod PLL */
480 *status |= FE_HAS_CARRIER;
481 if (tmp & 0x04) /* viterbi or LDPC*/
482 *status |= FE_HAS_VITERBI;
483 if (tmp & 0x08) /* RS or BCH */
484 *status |= FE_HAS_SYNC | FE_HAS_LOCK;
485
486 priv->fe_status = *status;
487
488 return ret;
489error:
279bba0f 490 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 491 return ret;
492}
493
494static int tda10071_read_snr(struct dvb_frontend *fe, u16 *snr)
495{
496 struct tda10071_priv *priv = fe->demodulator_priv;
497 int ret;
498 u8 buf[2];
499
500 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
501 *snr = 0;
502 ret = 0;
503 goto error;
504 }
505
506 ret = tda10071_rd_regs(priv, 0x3a, buf, 2);
507 if (ret)
508 goto error;
509
510 /* Es/No dBx10 */
511 *snr = buf[0] << 8 | buf[1];
512
513 return ret;
514error:
279bba0f 515 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 516 return ret;
517}
518
519static int tda10071_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
520{
521 struct tda10071_priv *priv = fe->demodulator_priv;
522 struct tda10071_cmd cmd;
523 int ret;
524 u8 tmp;
525
526 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
527 *strength = 0;
528 ret = 0;
529 goto error;
530 }
531
21c8ba39
AP		 532 cmd.args[0] = CMD_GET_AGCACC;
533 cmd.args[1] = 0;
534 cmd.len = 2;
de8e4203
AP		 535 ret = tda10071_cmd_execute(priv, &cmd);
536 if (ret)
537 goto error;
538
539 /* input power estimate dBm */
540 ret = tda10071_rd_reg(priv, 0x50, &tmp);
541 if (ret)
542 goto error;
543
544 if (tmp < 181)
545 tmp = 181; /* -75 dBm */
546 else if (tmp > 236)
547 tmp = 236; /* -20 dBm */
548
549 /* scale value to 0x0000-0xffff */
550 *strength = (tmp-181) * 0xffff / (236-181);
551
552 return ret;
553error:
279bba0f 554 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 555 return ret;
556}
557
558static int tda10071_read_ber(struct dvb_frontend *fe, u32 *ber)
559{
560 struct tda10071_priv *priv = fe->demodulator_priv;
561 struct tda10071_cmd cmd;
562 int ret, i, len;
563 u8 tmp, reg, buf[8];
564
565 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
566 *ber = priv->ber = 0;
567 ret = 0;
568 goto error;
569 }
570
571 switch (priv->delivery_system) {
572 case SYS_DVBS:
573 reg = 0x4c;
574 len = 8;
575 i = 1;
576 break;
577 case SYS_DVBS2:
578 reg = 0x4d;
579 len = 4;
580 i = 0;
581 break;
582 default:
583 *ber = priv->ber = 0;
584 return 0;
585 }
586
587 ret = tda10071_rd_reg(priv, reg, &tmp);
588 if (ret)
589 goto error;
590
591 if (priv->meas_count[i] == tmp) {
279bba0f
AP		 592 dev_dbg(&priv->i2c->dev, "%s: meas not ready=%02x\n", __func__,
593 tmp);
de8e4203
AP		 594 *ber = priv->ber;
595 return 0;
596 } else {
597 priv->meas_count[i] = tmp;
598 }
599
21c8ba39
AP		 600 cmd.args[0] = CMD_BER_UPDATE_COUNTERS;
601 cmd.args[1] = 0;
602 cmd.args[2] = i;
603 cmd.len = 3;
de8e4203
AP		 604 ret = tda10071_cmd_execute(priv, &cmd);
605 if (ret)
606 goto error;
607
608 ret = tda10071_rd_regs(priv, cmd.len, buf, len);
609 if (ret)
610 goto error;
611
612 if (priv->delivery_system == SYS_DVBS) {
613 *ber = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
614 priv->ucb += (buf[4] << 8) | buf[5];
615 } else {
616 *ber = (buf[0] << 8) | buf[1];
617 }
618 priv->ber = *ber;
619
620 return ret;
621error:
279bba0f 622 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 623 return ret;
624}
625
626static int tda10071_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
627{
628 struct tda10071_priv *priv = fe->demodulator_priv;
629 int ret = 0;
630
631 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
632 *ucblocks = 0;
633 goto error;
634 }
635
636 /* UCB is updated when BER is read. Assume BER is read anyway. */
637
638 *ucblocks = priv->ucb;
639
640 return ret;
641error:
279bba0f 642 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 643 return ret;
644}
645
b2a29b57 646static int tda10071_set_frontend(struct dvb_frontend *fe)
de8e4203
AP		 647{
648 struct tda10071_priv *priv = fe->demodulator_priv;
649 struct tda10071_cmd cmd;
650 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
651 int ret, i;
652 u8 mode, rolloff, pilot, inversion, div;
653
279bba0f
AP		 654 dev_dbg(&priv->i2c->dev, "%s: delivery_system=%d modulation=%d " \
655 "frequency=%d symbol_rate=%d inversion=%d pilot=%d " \
656 "rolloff=%d\n", __func__, c->delivery_system, c->modulation,
657 c->frequency, c->symbol_rate, c->inversion, c->pilot,
658 c->rolloff);
de8e4203
AP		 659
660 priv->delivery_system = SYS_UNDEFINED;
661
662 if (!priv->warm) {
663 ret = -EFAULT;
664 goto error;
665 }
666
667 switch (c->inversion) {
668 case INVERSION_OFF:
669 inversion = 1;
670 break;
671 case INVERSION_ON:
672 inversion = 0;
673 break;
674 case INVERSION_AUTO:
675 /* 2 = auto; try first on then off
676 * 3 = auto; try first off then on */
677 inversion = 3;
678 break;
679 default:
279bba0f 680 dev_dbg(&priv->i2c->dev, "%s: invalid inversion\n", __func__);
de8e4203
AP		 681 ret = -EINVAL;
682 goto error;
683 }
684
685 switch (c->delivery_system) {
686 case SYS_DVBS:
687 rolloff = 0;
688 pilot = 2;
689 break;
690 case SYS_DVBS2:
691 switch (c->rolloff) {
692 case ROLLOFF_20:
693 rolloff = 2;
694 break;
695 case ROLLOFF_25:
696 rolloff = 1;
697 break;
698 case ROLLOFF_35:
699 rolloff = 0;
700 break;
701 case ROLLOFF_AUTO:
702 default:
279bba0f
AP		 703 dev_dbg(&priv->i2c->dev, "%s: invalid rolloff\n",
704 __func__);
de8e4203
AP		 705 ret = -EINVAL;
706 goto error;
707 }
708
709 switch (c->pilot) {
710 case PILOT_OFF:
711 pilot = 0;
712 break;
713 case PILOT_ON:
714 pilot = 1;
715 break;
716 case PILOT_AUTO:
717 pilot = 2;
718 break;
719 default:
279bba0f
AP		 720 dev_dbg(&priv->i2c->dev, "%s: invalid pilot\n",
721 __func__);
de8e4203
AP		 722 ret = -EINVAL;
723 goto error;
724 }
725 break;
726 default:
279bba0f
AP		 727 dev_dbg(&priv->i2c->dev, "%s: invalid delivery_system\n",
728 __func__);
de8e4203
AP		 729 ret = -EINVAL;
730 goto error;
731 }
732
733 for (i = 0, mode = 0xff; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
734 if (c->delivery_system == TDA10071_MODCOD[i].delivery_system &&
735 c->modulation == TDA10071_MODCOD[i].modulation &&
736 c->fec_inner == TDA10071_MODCOD[i].fec) {
737 mode = TDA10071_MODCOD[i].val;
279bba0f
AP		 738 dev_dbg(&priv->i2c->dev, "%s: mode found=%02x\n",
739 __func__, mode);
de8e4203
AP		 740 break;
741 }
742 }
743
744 if (mode == 0xff) {
279bba0f
AP		 745 dev_dbg(&priv->i2c->dev, "%s: invalid parameter combination\n",
746 __func__);
de8e4203
AP		 747 ret = -EINVAL;
748 goto error;
749 }
750
751 if (c->symbol_rate <= 5000000)
752 div = 14;
753 else
754 div = 4;
755
756 ret = tda10071_wr_reg(priv, 0x81, div);
757 if (ret)
758 goto error;
759
760 ret = tda10071_wr_reg(priv, 0xe3, div);
761 if (ret)
762 goto error;
763
21c8ba39
AP		 764 cmd.args[0] = CMD_CHANGE_CHANNEL;
765 cmd.args[1] = 0;
766 cmd.args[2] = mode;
767 cmd.args[3] = (c->frequency >> 16) & 0xff;
768 cmd.args[4] = (c->frequency >> 8) & 0xff;
769 cmd.args[5] = (c->frequency >> 0) & 0xff;
770 cmd.args[6] = ((c->symbol_rate / 1000) >> 8) & 0xff;
771 cmd.args[7] = ((c->symbol_rate / 1000) >> 0) & 0xff;
772 cmd.args[8] = (tda10071_ops.info.frequency_tolerance >> 8) & 0xff;
773 cmd.args[9] = (tda10071_ops.info.frequency_tolerance >> 0) & 0xff;
774 cmd.args[10] = rolloff;
775 cmd.args[11] = inversion;
776 cmd.args[12] = pilot;
777 cmd.args[13] = 0x00;
778 cmd.args[14] = 0x00;
779 cmd.len = 15;
de8e4203
AP		 780 ret = tda10071_cmd_execute(priv, &cmd);
781 if (ret)
782 goto error;
783
784 priv->delivery_system = c->delivery_system;
785
786 return ret;
787error:
279bba0f 788 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 789 return ret;
790}
791
7c61d80a 792static int tda10071_get_frontend(struct dvb_frontend *fe)
de8e4203
AP		 793{
794 struct tda10071_priv *priv = fe->demodulator_priv;
795 struct dtv_frontend_properties *c = &fe->dtv_property_cache;
796 int ret, i;
797 u8 buf[5], tmp;
798
799 if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
800 ret = -EFAULT;
801 goto error;
802 }
803
804 ret = tda10071_rd_regs(priv, 0x30, buf, 5);
805 if (ret)
806 goto error;
807
808 tmp = buf[0] & 0x3f;
809 for (i = 0; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
810 if (tmp == TDA10071_MODCOD[i].val) {
811 c->modulation = TDA10071_MODCOD[i].modulation;
812 c->fec_inner = TDA10071_MODCOD[i].fec;
813 c->delivery_system = TDA10071_MODCOD[i].delivery_system;
814 }
815 }
816
817 switch ((buf[1] >> 0) & 0x01) {
818 case 0:
819 c->inversion = INVERSION_OFF;
820 break;
821 case 1:
822 c->inversion = INVERSION_ON;
823 break;
824 }
825
826 switch ((buf[1] >> 7) & 0x01) {
827 case 0:
828 c->pilot = PILOT_OFF;
829 break;
830 case 1:
831 c->pilot = PILOT_ON;
832 break;
833 }
834
835 c->frequency = (buf[2] << 16) | (buf[3] << 8) | (buf[4] << 0);
836
837 ret = tda10071_rd_regs(priv, 0x52, buf, 3);
838 if (ret)
839 goto error;
840
841 c->symbol_rate = (buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0);
842
843 return ret;
844error:
279bba0f 845 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 846 return ret;
847}
848
849static int tda10071_init(struct dvb_frontend *fe)
850{
851 struct tda10071_priv *priv = fe->demodulator_priv;
852 struct tda10071_cmd cmd;
75d404ec 853 int ret, i, len, remaining, fw_size;
de8e4203 854 const struct firmware *fw;
03f4efc3 855 u8 *fw_file = TDA10071_FIRMWARE;
de8e4203
AP		 856 u8 tmp, buf[4];
857 struct tda10071_reg_val_mask tab[] = {
858 { 0xcd, 0x00, 0x07 },
859 { 0x80, 0x00, 0x02 },
860 { 0xcd, 0x00, 0xc0 },
861 { 0xce, 0x00, 0x1b },
862 { 0x9d, 0x00, 0x01 },
863 { 0x9d, 0x00, 0x02 },
864 { 0x9e, 0x00, 0x01 },
865 { 0x87, 0x00, 0x80 },
866 { 0xce, 0x00, 0x08 },
867 { 0xce, 0x00, 0x10 },
868 };
869 struct tda10071_reg_val_mask tab2[] = {
870 { 0xf1, 0x70, 0xff },
871 { 0x88, priv->cfg.pll_multiplier, 0x3f },
872 { 0x89, 0x00, 0x10 },
873 { 0x89, 0x10, 0x10 },
874 { 0xc0, 0x01, 0x01 },
875 { 0xc0, 0x00, 0x01 },
876 { 0xe0, 0xff, 0xff },
877 { 0xe0, 0x00, 0xff },
878 { 0x96, 0x1e, 0x7e },
879 { 0x8b, 0x08, 0x08 },
880 { 0x8b, 0x00, 0x08 },
881 { 0x8f, 0x1a, 0x7e },
882 { 0x8c, 0x68, 0xff },
883 { 0x8d, 0x08, 0xff },
884 { 0x8e, 0x4c, 0xff },
885 { 0x8f, 0x01, 0x01 },
886 { 0x8b, 0x04, 0x04 },
887 { 0x8b, 0x00, 0x04 },
888 { 0x87, 0x05, 0x07 },
889 { 0x80, 0x00, 0x20 },
890 { 0xc8, 0x01, 0xff },
891 { 0xb4, 0x47, 0xff },
892 { 0xb5, 0x9c, 0xff },
893 { 0xb6, 0x7d, 0xff },
894 { 0xba, 0x00, 0x03 },
895 { 0xb7, 0x47, 0xff },
896 { 0xb8, 0x9c, 0xff },
897 { 0xb9, 0x7d, 0xff },
898 { 0xba, 0x00, 0x0c },
899 { 0xc8, 0x00, 0xff },
900 { 0xcd, 0x00, 0x04 },
901 { 0xcd, 0x00, 0x20 },
902 { 0xe8, 0x02, 0xff },
903 { 0xcf, 0x20, 0xff },
904 { 0x9b, 0xd7, 0xff },
905 { 0x9a, 0x01, 0x03 },
906 { 0xa8, 0x05, 0x0f },
907 { 0xa8, 0x65, 0xf0 },
908 { 0xa6, 0xa0, 0xf0 },
909 { 0x9d, 0x50, 0xfc },
910 { 0x9e, 0x20, 0xe0 },
911 { 0xa3, 0x1c, 0x7c },
912 { 0xd5, 0x03, 0x03 },
913 };
914
915 /* firmware status */
916 ret = tda10071_rd_reg(priv, 0x51, &tmp);
917 if (ret)
918 goto error;
919
920 if (!tmp) {
921 /* warm state - wake up device from sleep */
922 priv->warm = 1;
923
924 for (i = 0; i < ARRAY_SIZE(tab); i++) {
925 ret = tda10071_wr_reg_mask(priv, tab[i].reg,
926 tab[i].val, tab[i].mask);
927 if (ret)
928 goto error;
929 }
930
21c8ba39
AP		 931 cmd.args[0] = CMD_SET_SLEEP_MODE;
932 cmd.args[1] = 0;
933 cmd.args[2] = 0;
934 cmd.len = 3;
de8e4203
AP		 935 ret = tda10071_cmd_execute(priv, &cmd);
936 if (ret)
937 goto error;
938 } else {
939 /* cold state - try to download firmware */
940 priv->warm = 0;
941
942 /* request the firmware, this will block and timeout */
943 ret = request_firmware(&fw, fw_file, priv->i2c->dev.parent);
944 if (ret) {
279bba0f
AP		 945 dev_err(&priv->i2c->dev, "%s: did not find the " \
946 "firmware file. (%s) Please see " \
947 "linux/Documentation/dvb/ for more " \
948 "details on firmware-problems. (%d)\n",
949 KBUILD_MODNAME, fw_file, ret);
de8e4203
AP		 950 goto error;
951 }
952
953 /* init */
954 for (i = 0; i < ARRAY_SIZE(tab2); i++) {
955 ret = tda10071_wr_reg_mask(priv, tab2[i].reg,
956 tab2[i].val, tab2[i].mask);
957 if (ret)
958 goto error_release_firmware;
959 }
960
961 /* download firmware */
962 ret = tda10071_wr_reg(priv, 0xe0, 0x7f);
963 if (ret)
964 goto error_release_firmware;
965
966 ret = tda10071_wr_reg(priv, 0xf7, 0x81);
967 if (ret)
968 goto error_release_firmware;
969
970 ret = tda10071_wr_reg(priv, 0xf8, 0x00);
971 if (ret)
972 goto error_release_firmware;
973
974 ret = tda10071_wr_reg(priv, 0xf9, 0x00);
975 if (ret)
976 goto error_release_firmware;
977
279bba0f
AP		 978 dev_info(&priv->i2c->dev, "%s: found a '%s' in cold state, " \
979 "will try to load a firmware\n", KBUILD_MODNAME,
980 tda10071_ops.info.name);
981 dev_info(&priv->i2c->dev, "%s: downloading firmware from " \
982 "file '%s'\n", KBUILD_MODNAME, fw_file);
de8e4203 983
75d404ec
AP		 984 /* do not download last byte */
985 fw_size = fw->size - 1;
986
987 for (remaining = fw_size; remaining > 0;
de8e4203
AP		 988 remaining -= (priv->cfg.i2c_wr_max - 1)) {
989 len = remaining;
990 if (len > (priv->cfg.i2c_wr_max - 1))
991 len = (priv->cfg.i2c_wr_max - 1);
992
993 ret = tda10071_wr_regs(priv, 0xfa,
75d404ec 994 (u8 *) &fw->data[fw_size - remaining], len);
de8e4203 995 if (ret) {
279bba0f
AP		 996 dev_err(&priv->i2c->dev, "%s: firmware " \
997 "download failed=%d\n",
998 KBUILD_MODNAME, ret);
de8e4203
AP		 999 if (ret)
1000 goto error_release_firmware;
1001 }
1002 }
1003 release_firmware(fw);
1004
1005 ret = tda10071_wr_reg(priv, 0xf7, 0x0c);
1006 if (ret)
1007 goto error;
1008
1009 ret = tda10071_wr_reg(priv, 0xe0, 0x00);
1010 if (ret)
1011 goto error;
1012
1013 /* wait firmware start */
1014 msleep(250);
1015
1016 /* firmware status */
1017 ret = tda10071_rd_reg(priv, 0x51, &tmp);
1018 if (ret)
1019 goto error;
1020
1021 if (tmp) {
279bba0f
AP		 1022 dev_info(&priv->i2c->dev, "%s: firmware did not run\n",
1023 KBUILD_MODNAME);
de8e4203
AP		 1024 ret = -EFAULT;
1025 goto error;
1026 } else {
1027 priv->warm = 1;
1028 }
1029
21c8ba39
AP		 1030 cmd.args[0] = CMD_GET_FW_VERSION;
1031 cmd.len = 1;
de8e4203
AP		 1032 ret = tda10071_cmd_execute(priv, &cmd);
1033 if (ret)
1034 goto error;
1035
1036 ret = tda10071_rd_regs(priv, cmd.len, buf, 4);
1037 if (ret)
1038 goto error;
1039
279bba0f
AP		 1040 dev_info(&priv->i2c->dev, "%s: firmware version %d.%d.%d.%d\n",
1041 KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3]);
1042 dev_info(&priv->i2c->dev, "%s: found a '%s' in warm state\n",
1043 KBUILD_MODNAME, tda10071_ops.info.name);
de8e4203
AP		 1044
1045 ret = tda10071_rd_regs(priv, 0x81, buf, 2);
1046 if (ret)
1047 goto error;
1048
21c8ba39
AP		 1049 cmd.args[0] = CMD_DEMOD_INIT;
1050 cmd.args[1] = ((priv->cfg.xtal / 1000) >> 8) & 0xff;
1051 cmd.args[2] = ((priv->cfg.xtal / 1000) >> 0) & 0xff;
1052 cmd.args[3] = buf[0];
1053 cmd.args[4] = buf[1];
1054 cmd.args[5] = priv->cfg.pll_multiplier;
1055 cmd.args[6] = priv->cfg.spec_inv;
1056 cmd.args[7] = 0x00;
1057 cmd.len = 8;
de8e4203
AP		 1058 ret = tda10071_cmd_execute(priv, &cmd);
1059 if (ret)
1060 goto error;
1061
21c8ba39
AP		 1062 cmd.args[0] = CMD_TUNER_INIT;
1063 cmd.args[1] = 0x00;
1064 cmd.args[2] = 0x00;
1065 cmd.args[3] = 0x00;
1066 cmd.args[4] = 0x00;
0176fd4d 1067 cmd.args[5] = (priv->cfg.tuner_i2c_addr) ? priv->cfg.tuner_i2c_addr : 0x14;
21c8ba39
AP		 1068 cmd.args[6] = 0x00;
1069 cmd.args[7] = 0x03;
1070 cmd.args[8] = 0x02;
1071 cmd.args[9] = 0x02;
1072 cmd.args[10] = 0x00;
1073 cmd.args[11] = 0x00;
1074 cmd.args[12] = 0x00;
1075 cmd.args[13] = 0x00;
1076 cmd.args[14] = 0x00;
1077 cmd.len = 15;
de8e4203
AP		 1078 ret = tda10071_cmd_execute(priv, &cmd);
1079 if (ret)
1080 goto error;
1081
21c8ba39
AP		 1082 cmd.args[0] = CMD_MPEG_CONFIG;
1083 cmd.args[1] = 0;
1084 cmd.args[2] = priv->cfg.ts_mode;
1085 cmd.args[3] = 0x00;
1086 cmd.args[4] = 0x04;
1087 cmd.args[5] = 0x00;
1088 cmd.len = 6;
de8e4203
AP		 1089 ret = tda10071_cmd_execute(priv, &cmd);
1090 if (ret)
1091 goto error;
1092
1093 ret = tda10071_wr_reg_mask(priv, 0xf0, 0x01, 0x01);
1094 if (ret)
1095 goto error;
1096
21c8ba39
AP		 1097 cmd.args[0] = CMD_LNB_CONFIG;
1098 cmd.args[1] = 0;
1099 cmd.args[2] = 150;
1100 cmd.args[3] = 3;
1101 cmd.args[4] = 22;
1102 cmd.args[5] = 1;
1103 cmd.args[6] = 1;
1104 cmd.args[7] = 30;
1105 cmd.args[8] = 30;
1106 cmd.args[9] = 30;
1107 cmd.args[10] = 30;
1108 cmd.len = 11;
de8e4203
AP		 1109 ret = tda10071_cmd_execute(priv, &cmd);
1110 if (ret)
1111 goto error;
1112
21c8ba39
AP		 1113 cmd.args[0] = CMD_BER_CONTROL;
1114 cmd.args[1] = 0;
1115 cmd.args[2] = 14;
1116 cmd.args[3] = 14;
1117 cmd.len = 4;
de8e4203
AP		 1118 ret = tda10071_cmd_execute(priv, &cmd);
1119 if (ret)
1120 goto error;
1121 }
1122
1123 return ret;
1124error_release_firmware:
1125 release_firmware(fw);
1126error:
279bba0f 1127 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 1128 return ret;
1129}
1130
1131static int tda10071_sleep(struct dvb_frontend *fe)
1132{
1133 struct tda10071_priv *priv = fe->demodulator_priv;
1134 struct tda10071_cmd cmd;
1135 int ret, i;
1136 struct tda10071_reg_val_mask tab[] = {
1137 { 0xcd, 0x07, 0x07 },
1138 { 0x80, 0x02, 0x02 },
1139 { 0xcd, 0xc0, 0xc0 },
1140 { 0xce, 0x1b, 0x1b },
1141 { 0x9d, 0x01, 0x01 },
1142 { 0x9d, 0x02, 0x02 },
1143 { 0x9e, 0x01, 0x01 },
1144 { 0x87, 0x80, 0x80 },
1145 { 0xce, 0x08, 0x08 },
1146 { 0xce, 0x10, 0x10 },
1147 };
1148
1149 if (!priv->warm) {
1150 ret = -EFAULT;
1151 goto error;
1152 }
1153
21c8ba39
AP		 1154 cmd.args[0] = CMD_SET_SLEEP_MODE;
1155 cmd.args[1] = 0;
1156 cmd.args[2] = 1;
1157 cmd.len = 3;
de8e4203
AP		 1158 ret = tda10071_cmd_execute(priv, &cmd);
1159 if (ret)
1160 goto error;
1161
1162 for (i = 0; i < ARRAY_SIZE(tab); i++) {
1163 ret = tda10071_wr_reg_mask(priv, tab[i].reg, tab[i].val,
1164 tab[i].mask);
1165 if (ret)
1166 goto error;
1167 }
1168
1169 return ret;
1170error:
279bba0f 1171 dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 1172 return ret;
1173}
1174
1175static int tda10071_get_tune_settings(struct dvb_frontend *fe,
1176 struct dvb_frontend_tune_settings *s)
1177{
1178 s->min_delay_ms = 8000;
1179 s->step_size = 0;
1180 s->max_drift = 0;
1181
1182 return 0;
1183}
1184
1185static void tda10071_release(struct dvb_frontend *fe)
1186{
1187 struct tda10071_priv *priv = fe->demodulator_priv;
1188 kfree(priv);
1189}
1190
1191struct dvb_frontend *tda10071_attach(const struct tda10071_config *config,
1192 struct i2c_adapter *i2c)
1193{
1194 int ret;
1195 struct tda10071_priv *priv = NULL;
1196 u8 tmp;
1197
1198 /* allocate memory for the internal priv */
1199 priv = kzalloc(sizeof(struct tda10071_priv), GFP_KERNEL);
1200 if (priv == NULL) {
1201 ret = -ENOMEM;
1202 goto error;
1203 }
1204
41f55d57
MK		 1205 /* make sure demod i2c address is specified */
1206 if (!config->demod_i2c_addr) {
1207 dev_dbg(&i2c->dev, "%s: invalid demod i2c address!\n", __func__);
1c12bf8d 1208 ret = -EINVAL;
41f55d57
MK		 1209 goto error;
1210 }
1211
1212 /* make sure tuner i2c address is specified */
1213 if (!config->tuner_i2c_addr) {
1214 dev_dbg(&i2c->dev, "%s: invalid tuner i2c address!\n", __func__);
1c12bf8d 1215 ret = -EINVAL;
41f55d57
MK		 1216 goto error;
1217 }
1218
de8e4203
AP		 1219 /* setup the priv */
1220 priv->i2c = i2c;
1221 memcpy(&priv->cfg, config, sizeof(struct tda10071_config));
1222
1223 /* chip ID */
1224 ret = tda10071_rd_reg(priv, 0xff, &tmp);
1225 if (ret || tmp != 0x0f)
1226 goto error;
1227
1228 /* chip type */
1229 ret = tda10071_rd_reg(priv, 0xdd, &tmp);
1230 if (ret || tmp != 0x00)
1231 goto error;
1232
1233 /* chip version */
1234 ret = tda10071_rd_reg(priv, 0xfe, &tmp);
1235 if (ret || tmp != 0x01)
1236 goto error;
1237
1238 /* create dvb_frontend */
1239 memcpy(&priv->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops));
1240 priv->fe.demodulator_priv = priv;
1241
1242 return &priv->fe;
1243error:
279bba0f 1244 dev_dbg(&i2c->dev, "%s: failed=%d\n", __func__, ret);
de8e4203
AP		 1245 kfree(priv);
1246 return NULL;
1247}
1248EXPORT_SYMBOL(tda10071_attach);
1249
1250static struct dvb_frontend_ops tda10071_ops = {
2b49fad5 1251 .delsys = { SYS_DVBS, SYS_DVBS2 },
de8e4203
AP		 1252 .info = {
1253 .name = "NXP TDA10071",
de8e4203
AP		 1254 .frequency_min = 950000,
1255 .frequency_max = 2150000,
1256 .frequency_tolerance = 5000,
1257 .symbol_rate_min = 1000000,
1258 .symbol_rate_max = 45000000,
1259 .caps = FE_CAN_INVERSION_AUTO |
1260 FE_CAN_FEC_1_2 |
1261 FE_CAN_FEC_2_3 |
1262 FE_CAN_FEC_3_4 |
1263 FE_CAN_FEC_4_5 |
1264 FE_CAN_FEC_5_6 |
1265 FE_CAN_FEC_6_7 |
1266 FE_CAN_FEC_7_8 |
1267 FE_CAN_FEC_8_9 |
1268 FE_CAN_FEC_AUTO |
1269 FE_CAN_QPSK |
1270 FE_CAN_RECOVER |
1271 FE_CAN_2G_MODULATION
1272 },
1273
1274 .release = tda10071_release,
1275
1276 .get_tune_settings = tda10071_get_tune_settings,
1277
1278 .init = tda10071_init,
1279 .sleep = tda10071_sleep,
1280
b2a29b57
MCC		 1281 .set_frontend = tda10071_set_frontend,
1282 .get_frontend = tda10071_get_frontend,
de8e4203
AP		 1283
1284 .read_status = tda10071_read_status,
1285 .read_snr = tda10071_read_snr,
1286 .read_signal_strength = tda10071_read_signal_strength,
1287 .read_ber = tda10071_read_ber,
1288 .read_ucblocks = tda10071_read_ucblocks,
1289
1290 .diseqc_send_master_cmd = tda10071_diseqc_send_master_cmd,
1291 .diseqc_recv_slave_reply = tda10071_diseqc_recv_slave_reply,
1292 .diseqc_send_burst = tda10071_diseqc_send_burst,
1293
1294 .set_tone = tda10071_set_tone,
1295 .set_voltage = tda10071_set_voltage,
1296};
1297
1298MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
1299MODULE_DESCRIPTION("NXP TDA10071 DVB-S/S2 demodulator driver");
1300MODULE_LICENSE("GPL");
03f4efc3 1301MODULE_FIRMWARE(TDA10071_FIRMWARE);
Ubuntu Artful kernel mirror