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V4L/DVB (13217): tda18271: handle rf_cal_on_startup properly during attach
[deliverable/linux.git] / drivers / media / common / tuners / tda18271-fe.c
CommitLineData
5bea1cd3 1/*
6ca04de3 2 tda18271-fe.c - driver for the Philips / NXP TDA18271 silicon tuner
5bea1cd3 3
59067f7e 4 Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org>
5bea1cd3
MK		 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
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19*/
20
5bea1cd3
MK		 21#include <linux/delay.h>
22#include <linux/videodev2.h>
6ca04de3 23#include "tda18271-priv.h"
5bea1cd3 24
b5f3e1e1 25int tda18271_debug;
54465b08 26module_param_named(debug, tda18271_debug, int, 0644);
0e1fab90 27MODULE_PARM_DESC(debug, "set debug level "
cf04d29c 28 "(info=1, map=2, reg=4, adv=8, cal=16 (or-able))");
5bea1cd3 29
81016b49 30static int tda18271_cal_on_startup = -1;
0f96251e
MK		 31module_param_named(cal, tda18271_cal_on_startup, int, 0644);
32MODULE_PARM_DESC(cal, "perform RF tracking filter calibration on startup");
33
a4f263b5 34static DEFINE_MUTEX(tda18271_list_mutex);
f9e315a1 35static LIST_HEAD(hybrid_tuner_instance_list);
a4f263b5 36
5bea1cd3
MK		 37/*---------------------------------------------------------------------*/
38
4240b460
MK		 39static int tda18271_toggle_output(struct dvb_frontend *fe, int standby)
40{
41 struct tda18271_priv *priv = fe->tuner_priv;
42
43 int ret = tda18271_set_standby_mode(fe, standby ? 1 : 0,
44 priv->output_opt & TDA18271_OUTPUT_LT_OFF ? 1 : 0,
45 priv->output_opt & TDA18271_OUTPUT_XT_OFF ? 1 : 0);
46
47 if (tda_fail(ret))
48 goto fail;
49
50 tda_dbg("%s mode: xtal oscillator %s, slave tuner loop thru %s\n",
51 standby ? "standby" : "active",
52 priv->output_opt & TDA18271_OUTPUT_XT_OFF ? "off" : "on",
53 priv->output_opt & TDA18271_OUTPUT_LT_OFF ? "off" : "on");
54fail:
55 return ret;
56}
57
58/*---------------------------------------------------------------------*/
59
868f5ccd
MK		 60static inline int charge_pump_source(struct dvb_frontend *fe, int force)
61{
62 struct tda18271_priv *priv = fe->tuner_priv;
63 return tda18271_charge_pump_source(fe,
64 (priv->role == TDA18271_SLAVE) ?
65 TDA18271_CAL_PLL :
66 TDA18271_MAIN_PLL, force);
67}
68
44e645c2
MK		 69static inline void tda18271_set_if_notch(struct dvb_frontend *fe)
70{
71 struct tda18271_priv *priv = fe->tuner_priv;
72 unsigned char *regs = priv->tda18271_regs;
73
74 switch (priv->mode) {
75 case TDA18271_ANALOG:
76 regs[R_MPD] &= ~0x80; /* IF notch = 0 */
77 break;
78 case TDA18271_DIGITAL:
79 regs[R_MPD] |= 0x80; /* IF notch = 1 */
80 break;
81 }
82}
83
255b5113 84static int tda18271_channel_configuration(struct dvb_frontend *fe,
c293d0a7
MK		 85 struct tda18271_std_map_item *map,
86 u32 freq, u32 bw)
255b5113
MK		 87{
88 struct tda18271_priv *priv = fe->tuner_priv;
89 unsigned char *regs = priv->tda18271_regs;
31940e39 90 int ret;
255b5113
MK		 91 u32 N;
92
93 /* update TV broadcast parameters */
94
95 /* set standard */
96 regs[R_EP3] &= ~0x1f; /* clear std bits */
7f7203df 97 regs[R_EP3] |= (map->agc_mode << 3) | map->std;
255b5113 98
51858d13
MK		 99 if (priv->id == TDA18271HDC2) {
100 /* set rfagc to high speed mode */
101 regs[R_EP3] &= ~0x04;
102 }
40194b2b 103
255b5113
MK		 104 /* set cal mode to normal */
105 regs[R_EP4] &= ~0x03;
106
44e645c2 107 /* update IF output level */
255b5113 108 regs[R_EP4] &= ~0x1c; /* clear if level bits */
14c74b23 109 regs[R_EP4] |= (map->if_lvl << 2);
255b5113 110
c293d0a7
MK		 111 /* update FM_RFn */
112 regs[R_EP4] &= ~0x80;
113 regs[R_EP4] |= map->fm_rfn << 7;
255b5113 114
c0dc0c11
MK		 115 /* update rf top / if top */
116 regs[R_EB22] = 0x00;
117 regs[R_EB22] |= map->rfagc_top;
31940e39 118 ret = tda18271_write_regs(fe, R_EB22, 1);
4bd5d107 119 if (tda_fail(ret))
31940e39 120 goto fail;
255b5113
MK		 121
122 /* --------------------------------------------------------------- */
123
124 /* disable Power Level Indicator */
125 regs[R_EP1] |= 0x40;
126
7ae1ac4c
MK		 127 /* make sure thermometer is off */
128 regs[R_TM] &= ~0x10;
129
255b5113
MK		 130 /* frequency dependent parameters */
131
132 tda18271_calc_ir_measure(fe, &freq);
133
134 tda18271_calc_bp_filter(fe, &freq);
135
136 tda18271_calc_rf_band(fe, &freq);
137
138 tda18271_calc_gain_taper(fe, &freq);
139
140 /* --------------------------------------------------------------- */
141
142 /* dual tuner and agc1 extra configuration */
143
868f5ccd
MK		 144 switch (priv->role) {
145 case TDA18271_MASTER:
146 regs[R_EB1] |= 0x04; /* main vco */
147 break;
148 case TDA18271_SLAVE:
149 regs[R_EB1] &= ~0x04; /* cal vco */
150 break;
151 }
255b5113
MK		 152
153 /* agc1 always active */
154 regs[R_EB1] &= ~0x02;
155
156 /* agc1 has priority on agc2 */
157 regs[R_EB1] &= ~0x01;
158
31940e39 159 ret = tda18271_write_regs(fe, R_EB1, 1);
4bd5d107 160 if (tda_fail(ret))
31940e39 161 goto fail;
255b5113
MK		 162
163 /* --------------------------------------------------------------- */
164
c293d0a7 165 N = map->if_freq * 1000 + freq;
255b5113 166
868f5ccd
MK		 167 switch (priv->role) {
168 case TDA18271_MASTER:
169 tda18271_calc_main_pll(fe, N);
44e645c2 170 tda18271_set_if_notch(fe);
868f5ccd
MK		 171 tda18271_write_regs(fe, R_MPD, 4);
172 break;
173 case TDA18271_SLAVE:
174 tda18271_calc_cal_pll(fe, N);
175 tda18271_write_regs(fe, R_CPD, 4);
176
177 regs[R_MPD] = regs[R_CPD] & 0x7f;
44e645c2 178 tda18271_set_if_notch(fe);
868f5ccd
MK		 179 tda18271_write_regs(fe, R_MPD, 1);
180 break;
181 }
255b5113 182
31940e39 183 ret = tda18271_write_regs(fe, R_TM, 7);
4bd5d107 184 if (tda_fail(ret))
31940e39 185 goto fail;
255b5113 186
868f5ccd
MK		 187 /* force charge pump source */
188 charge_pump_source(fe, 1);
255b5113
MK		 189
190 msleep(1);
191
868f5ccd
MK		 192 /* return pll to normal operation */
193 charge_pump_source(fe, 0);
255b5113 194
40194b2b
MK		 195 msleep(20);
196
51858d13
MK		 197 if (priv->id == TDA18271HDC2) {
198 /* set rfagc to normal speed mode */
199 if (map->fm_rfn)
200 regs[R_EP3] &= ~0x04;
201 else
202 regs[R_EP3] |= 0x04;
203 ret = tda18271_write_regs(fe, R_EP3, 1);
204 }
31940e39
MK		 205fail:
206 return ret;
255b5113
MK		 207}
208
209static int tda18271_read_thermometer(struct dvb_frontend *fe)
210{
211 struct tda18271_priv *priv = fe->tuner_priv;
212 unsigned char *regs = priv->tda18271_regs;
213 int tm;
214
215 /* switch thermometer on */
216 regs[R_TM] |= 0x10;
217 tda18271_write_regs(fe, R_TM, 1);
218
219 /* read thermometer info */
220 tda18271_read_regs(fe);
221
222 if ((((regs[R_TM] & 0x0f) == 0x00) && ((regs[R_TM] & 0x20) == 0x20)) ||
223 (((regs[R_TM] & 0x0f) == 0x08) && ((regs[R_TM] & 0x20) == 0x00))) {
224
225 if ((regs[R_TM] & 0x20) == 0x20)
226 regs[R_TM] &= ~0x20;
227 else
228 regs[R_TM] |= 0x20;
229
230 tda18271_write_regs(fe, R_TM, 1);
231
232 msleep(10); /* temperature sensing */
233
234 /* read thermometer info */
235 tda18271_read_regs(fe);
236 }
237
238 tm = tda18271_lookup_thermometer(fe);
239
240 /* switch thermometer off */
241 regs[R_TM] &= ~0x10;
242 tda18271_write_regs(fe, R_TM, 1);
243
244 /* set CAL mode to normal */
245 regs[R_EP4] &= ~0x03;
246 tda18271_write_regs(fe, R_EP4, 1);
247
248 return tm;
249}
250
12afe378
MK		 251/* ------------------------------------------------------------------ */
252
d1c53424
MK		 253static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe,
254 u32 freq)
255b5113
MK		 255{
256 struct tda18271_priv *priv = fe->tuner_priv;
257 struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state;
258 unsigned char *regs = priv->tda18271_regs;
3a6b49fe
MK		 259 int i, ret;
260 u8 tm_current, dc_over_dt, rf_tab;
261 s32 rfcal_comp, approx;
255b5113
MK		 262
263 /* power up */
20f42063 264 ret = tda18271_set_standby_mode(fe, 0, 0, 0);
4bd5d107 265 if (tda_fail(ret))
20f42063 266 goto fail;
255b5113
MK		 267
268 /* read die current temperature */
269 tm_current = tda18271_read_thermometer(fe);
270
271 /* frequency dependent parameters */
272
273 tda18271_calc_rf_cal(fe, &freq);
274 rf_tab = regs[R_EB14];
275
276 i = tda18271_lookup_rf_band(fe, &freq, NULL);
4bd5d107
MK		 277 if (tda_fail(i))
278 return i;
255b5113
MK		 279
280 if ((0 == map[i].rf3) || (freq / 1000 < map[i].rf2)) {
3a6b49fe
MK		 281 approx = map[i].rf_a1 * (s32)(freq / 1000 - map[i].rf1) +
282 map[i].rf_b1 + rf_tab;
255b5113 283 } else {
3a6b49fe
MK		 284 approx = map[i].rf_a2 * (s32)(freq / 1000 - map[i].rf2) +
285 map[i].rf_b2 + rf_tab;
255b5113
MK		 286 }
287
288 if (approx < 0)
289 approx = 0;
290 if (approx > 255)
291 approx = 255;
292
293 tda18271_lookup_map(fe, RF_CAL_DC_OVER_DT, &freq, &dc_over_dt);
294
295 /* calculate temperature compensation */
3a6b49fe 296 rfcal_comp = dc_over_dt * (s32)(tm_current - priv->tm_rfcal) / 1000;
255b5113 297
3a6b49fe 298 regs[R_EB14] = (unsigned char)(approx + rfcal_comp);
20f42063
MK		 299 ret = tda18271_write_regs(fe, R_EB14, 1);
300fail:
301 return ret;
255b5113
MK		 302}
303
304static int tda18271_por(struct dvb_frontend *fe)
305{
306 struct tda18271_priv *priv = fe->tuner_priv;
307 unsigned char *regs = priv->tda18271_regs;
24124f78 308 int ret;
255b5113
MK		 309
310 /* power up detector 1 */
311 regs[R_EB12] &= ~0x20;
24124f78 312 ret = tda18271_write_regs(fe, R_EB12, 1);
4bd5d107 313 if (tda_fail(ret))
24124f78 314 goto fail;
255b5113
MK		 315
316 regs[R_EB18] &= ~0x80; /* turn agc1 loop on */
317 regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */
24124f78 318 ret = tda18271_write_regs(fe, R_EB18, 1);
4bd5d107 319 if (tda_fail(ret))
24124f78 320 goto fail;
255b5113
MK		 321
322 regs[R_EB21] |= 0x03; /* set agc2_gain to -6 dB */
323
324 /* POR mode */
24124f78 325 ret = tda18271_set_standby_mode(fe, 1, 0, 0);
4bd5d107 326 if (tda_fail(ret))
24124f78 327 goto fail;
255b5113
MK		 328
329 /* disable 1.5 MHz low pass filter */
330 regs[R_EB23] &= ~0x04; /* forcelp_fc2_en = 0 */
331 regs[R_EB23] &= ~0x02; /* XXX: lp_fc[2] = 0 */
24124f78
MK		 332 ret = tda18271_write_regs(fe, R_EB21, 3);
333fail:
334 return ret;
255b5113
MK		 335}
336
337static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq)
338{
339 struct tda18271_priv *priv = fe->tuner_priv;
340 unsigned char *regs = priv->tda18271_regs;
341 u32 N;
342
343 /* set CAL mode to normal */
344 regs[R_EP4] &= ~0x03;
345 tda18271_write_regs(fe, R_EP4, 1);
346
347 /* switch off agc1 */
348 regs[R_EP3] |= 0x40; /* sm_lt = 1 */
349
350 regs[R_EB18] |= 0x03; /* set agc1_gain to 15 dB */
351 tda18271_write_regs(fe, R_EB18, 1);
352
353 /* frequency dependent parameters */
354
355 tda18271_calc_bp_filter(fe, &freq);
356 tda18271_calc_gain_taper(fe, &freq);
357 tda18271_calc_rf_band(fe, &freq);
358 tda18271_calc_km(fe, &freq);
359
360 tda18271_write_regs(fe, R_EP1, 3);
361 tda18271_write_regs(fe, R_EB13, 1);
362
363 /* main pll charge pump source */
4efb0ca5 364 tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1);
255b5113
MK		 365
366 /* cal pll charge pump source */
4efb0ca5 367 tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 1);
255b5113
MK		 368
369 /* force dcdc converter to 0 V */
370 regs[R_EB14] = 0x00;
371 tda18271_write_regs(fe, R_EB14, 1);
372
373 /* disable plls lock */
374 regs[R_EB20] &= ~0x20;
375 tda18271_write_regs(fe, R_EB20, 1);
376
377 /* set CAL mode to RF tracking filter calibration */
378 regs[R_EP4] |= 0x03;
379 tda18271_write_regs(fe, R_EP4, 2);
380
381 /* --------------------------------------------------------------- */
382
383 /* set the internal calibration signal */
384 N = freq;
385
ae07d042
MK		 386 tda18271_calc_cal_pll(fe, N);
387 tda18271_write_regs(fe, R_CPD, 4);
255b5113
MK		 388
389 /* downconvert internal calibration */
390 N += 1000000;
391
392 tda18271_calc_main_pll(fe, N);
393 tda18271_write_regs(fe, R_MPD, 4);
394
395 msleep(5);
396
397 tda18271_write_regs(fe, R_EP2, 1);
398 tda18271_write_regs(fe, R_EP1, 1);
399 tda18271_write_regs(fe, R_EP2, 1);
400 tda18271_write_regs(fe, R_EP1, 1);
401
402 /* --------------------------------------------------------------- */
403
404 /* normal operation for the main pll */
4efb0ca5 405 tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0);
255b5113
MK		 406
407 /* normal operation for the cal pll */
4efb0ca5 408 tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 0);
255b5113 409
ae07d042 410 msleep(10); /* plls locking */
255b5113
MK		 411
412 /* launch the rf tracking filters calibration */
413 regs[R_EB20] |= 0x20;
414 tda18271_write_regs(fe, R_EB20, 1);
415
416 msleep(60); /* calibration */
417
418 /* --------------------------------------------------------------- */
419
420 /* set CAL mode to normal */
421 regs[R_EP4] &= ~0x03;
422
423 /* switch on agc1 */
424 regs[R_EP3] &= ~0x40; /* sm_lt = 0 */
425
426 regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */
427 tda18271_write_regs(fe, R_EB18, 1);
428
429 tda18271_write_regs(fe, R_EP3, 2);
430
431 /* synchronization */
432 tda18271_write_regs(fe, R_EP1, 1);
433
434 /* get calibration result */
435 tda18271_read_extended(fe);
436
437 return regs[R_EB14];
438}
439
440static int tda18271_powerscan(struct dvb_frontend *fe,
441 u32 *freq_in, u32 *freq_out)
442{
443 struct tda18271_priv *priv = fe->tuner_priv;
444 unsigned char *regs = priv->tda18271_regs;
24124f78 445 int sgn, bcal, count, wait, ret;
255b5113
MK		 446 u8 cid_target;
447 u16 count_limit;
448 u32 freq;
449
450 freq = *freq_in;
451
452 tda18271_calc_rf_band(fe, &freq);
453 tda18271_calc_rf_cal(fe, &freq);
454 tda18271_calc_gain_taper(fe, &freq);
455 tda18271_lookup_cid_target(fe, &freq, &cid_target, &count_limit);
456
457 tda18271_write_regs(fe, R_EP2, 1);
458 tda18271_write_regs(fe, R_EB14, 1);
459
460 /* downconvert frequency */
461 freq += 1000000;
462
463 tda18271_calc_main_pll(fe, freq);
464 tda18271_write_regs(fe, R_MPD, 4);
465
466 msleep(5); /* pll locking */
467
468 /* detection mode */
469 regs[R_EP4] &= ~0x03;
470 regs[R_EP4] |= 0x01;
471 tda18271_write_regs(fe, R_EP4, 1);
472
473 /* launch power detection measurement */
474 tda18271_write_regs(fe, R_EP2, 1);
475
476 /* read power detection info, stored in EB10 */
24124f78 477 ret = tda18271_read_extended(fe);
4bd5d107 478 if (tda_fail(ret))
24124f78 479 return ret;
255b5113
MK		 480
481 /* algorithm initialization */
482 sgn = 1;
483 *freq_out = *freq_in;
484 bcal = 0;
485 count = 0;
486 wait = false;
487
488 while ((regs[R_EB10] & 0x3f) < cid_target) {
489 /* downconvert updated freq to 1 MHz */
490 freq = *freq_in + (sgn * count) + 1000000;
491
492 tda18271_calc_main_pll(fe, freq);
493 tda18271_write_regs(fe, R_MPD, 4);
494
495 if (wait) {
496 msleep(5); /* pll locking */
497 wait = false;
498 } else
499 udelay(100); /* pll locking */
500
501 /* launch power detection measurement */
502 tda18271_write_regs(fe, R_EP2, 1);
503
504 /* read power detection info, stored in EB10 */
24124f78 505 ret = tda18271_read_extended(fe);
4bd5d107 506 if (tda_fail(ret))
24124f78 507 return ret;
255b5113
MK		 508
509 count += 200;
510
e7809a07 511 if (count <= count_limit)
255b5113
MK		 512 continue;
513
514 if (sgn <= 0)
515 break;
516
517 sgn = -1 * sgn;
518 count = 200;
519 wait = true;
520 }
521
522 if ((regs[R_EB10] & 0x3f) >= cid_target) {
523 bcal = 1;
524 *freq_out = freq - 1000000;
525 } else
526 bcal = 0;
527
cf04d29c 528 tda_cal("bcal = %d, freq_in = %d, freq_out = %d (freq = %d)\n",
255b5113
MK		 529 bcal, *freq_in, *freq_out, freq);
530
531 return bcal;
532}
533
534static int tda18271_powerscan_init(struct dvb_frontend *fe)
535{
536 struct tda18271_priv *priv = fe->tuner_priv;
537 unsigned char *regs = priv->tda18271_regs;
24124f78 538 int ret;
255b5113
MK		 539
540 /* set standard to digital */
541 regs[R_EP3] &= ~0x1f; /* clear std bits */
542 regs[R_EP3] |= 0x12;
543
544 /* set cal mode to normal */
545 regs[R_EP4] &= ~0x03;
546
44e645c2 547 /* update IF output level */
255b5113
MK		 548 regs[R_EP4] &= ~0x1c; /* clear if level bits */
549
24124f78 550 ret = tda18271_write_regs(fe, R_EP3, 2);
4bd5d107 551 if (tda_fail(ret))
24124f78 552 goto fail;
255b5113
MK		 553
554 regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */
24124f78 555 ret = tda18271_write_regs(fe, R_EB18, 1);
4bd5d107 556 if (tda_fail(ret))
24124f78 557 goto fail;
255b5113
MK		 558
559 regs[R_EB21] &= ~0x03; /* set agc2_gain to -15 dB */
560
561 /* 1.5 MHz low pass filter */
562 regs[R_EB23] |= 0x04; /* forcelp_fc2_en = 1 */
563 regs[R_EB23] |= 0x02; /* lp_fc[2] = 1 */
564
24124f78
MK		 565 ret = tda18271_write_regs(fe, R_EB21, 3);
566fail:
567 return ret;
255b5113
MK		 568}
569
570static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq)
571{
572 struct tda18271_priv *priv = fe->tuner_priv;
573 struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state;
574 unsigned char *regs = priv->tda18271_regs;
575 int bcal, rf, i;
3986bd11 576 s32 divisor, dividend;
255b5113
MK		 577#define RF1 0
578#define RF2 1
579#define RF3 2
580 u32 rf_default[3];
581 u32 rf_freq[3];
582 u8 prog_cal[3];
583 u8 prog_tab[3];
584
585 i = tda18271_lookup_rf_band(fe, &freq, NULL);
586
4bd5d107 587 if (tda_fail(i))
255b5113
MK		 588 return i;
589
590 rf_default[RF1] = 1000 * map[i].rf1_def;
591 rf_default[RF2] = 1000 * map[i].rf2_def;
592 rf_default[RF3] = 1000 * map[i].rf3_def;
593
594 for (rf = RF1; rf <= RF3; rf++) {
595 if (0 == rf_default[rf])
596 return 0;
cf04d29c 597 tda_cal("freq = %d, rf = %d\n", freq, rf);
255b5113
MK		 598
599 /* look for optimized calibration frequency */
600 bcal = tda18271_powerscan(fe, &rf_default[rf], &rf_freq[rf]);
4bd5d107 601 if (tda_fail(bcal))
24124f78 602 return bcal;
255b5113
MK		 603
604 tda18271_calc_rf_cal(fe, &rf_freq[rf]);
605 prog_tab[rf] = regs[R_EB14];
606
607 if (1 == bcal)
608 prog_cal[rf] = tda18271_calibrate_rf(fe, rf_freq[rf]);
609 else
610 prog_cal[rf] = prog_tab[rf];
611
612 switch (rf) {
613 case RF1:
614 map[i].rf_a1 = 0;
3a6b49fe 615 map[i].rf_b1 = (s32)(prog_cal[RF1] - prog_tab[RF1]);
255b5113
MK		 616 map[i].rf1 = rf_freq[RF1] / 1000;
617 break;
618 case RF2:
3986bd11
MK		 619 dividend = (s32)(prog_cal[RF2] - prog_tab[RF2]) -
620 (s32)(prog_cal[RF1] + prog_tab[RF1]);
621 divisor = (s32)(rf_freq[RF2] - rf_freq[RF1]) / 1000;
622 map[i].rf_a1 = (dividend / divisor);
255b5113
MK		 623 map[i].rf2 = rf_freq[RF2] / 1000;
624 break;
625 case RF3:
3986bd11
MK		 626 dividend = (s32)(prog_cal[RF3] - prog_tab[RF3]) -
627 (s32)(prog_cal[RF2] + prog_tab[RF2]);
628 divisor = (s32)(rf_freq[RF3] - rf_freq[RF2]) / 1000;
629 map[i].rf_a2 = (dividend / divisor);
3a6b49fe 630 map[i].rf_b2 = (s32)(prog_cal[RF2] - prog_tab[RF2]);
255b5113
MK		 631 map[i].rf3 = rf_freq[RF3] / 1000;
632 break;
633 default:
634 BUG();
635 }
636 }
637
638 return 0;
639}
640
09f83c4f 641static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe)
255b5113
MK		 642{
643 struct tda18271_priv *priv = fe->tuner_priv;
644 unsigned int i;
24124f78 645 int ret;
255b5113
MK		 646
647 tda_info("tda18271: performing RF tracking filter calibration\n");
648
649 /* wait for die temperature stabilization */
650 msleep(200);
651
24124f78 652 ret = tda18271_powerscan_init(fe);
4bd5d107 653 if (tda_fail(ret))
24124f78 654 goto fail;
255b5113
MK		 655
656 /* rf band calibration */
c151c32f
MK		 657 for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++) {
658 ret =
255b5113
MK		 659 tda18271_rf_tracking_filters_init(fe, 1000 *
660 priv->rf_cal_state[i].rfmax);
4bd5d107 661 if (tda_fail(ret))
c151c32f
MK		 662 goto fail;
663 }
255b5113 664
09f83c4f 665 priv->tm_rfcal = tda18271_read_thermometer(fe);
24124f78
MK		 666fail:
667 return ret;
255b5113
MK		 668}
669
670/* ------------------------------------------------------------------ */
671
12afe378 672static int tda18271c2_rf_cal_init(struct dvb_frontend *fe)
255b5113
MK		 673{
674 struct tda18271_priv *priv = fe->tuner_priv;
839c6c96 675 unsigned char *regs = priv->tda18271_regs;
24124f78 676 int ret;
839c6c96
MK		 677
678 /* test RF_CAL_OK to see if we need init */
679 if ((regs[R_EP1] & 0x10) == 0)
680 priv->cal_initialized = false;
255b5113
MK		 681
682 if (priv->cal_initialized)
683 return 0;
684
24124f78 685 ret = tda18271_calc_rf_filter_curve(fe);
4bd5d107 686 if (tda_fail(ret))
24124f78 687 goto fail;
255b5113 688
24124f78 689 ret = tda18271_por(fe);
4bd5d107 690 if (tda_fail(ret))
24124f78 691 goto fail;
255b5113 692
6bfa6657
MK		 693 tda_info("tda18271: RF tracking filter calibration complete\n");
694
255b5113 695 priv->cal_initialized = true;
c151c32f 696 goto end;
24124f78 697fail:
c151c32f
MK		 698 tda_info("tda18271: RF tracking filter calibration failed!\n");
699end:
24124f78 700 return ret;
255b5113
MK		 701}
702
4d2d42bc
MK		 703static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe,
704 u32 freq, u32 bw)
5bea1cd3
MK		 705{
706 struct tda18271_priv *priv = fe->tuner_priv;
707 unsigned char *regs = priv->tda18271_regs;
10ed0bf4 708 int ret;
fe0bf6d7 709 u32 N = 0;
5bea1cd3 710
255b5113 711 /* calculate bp filter */
b92bf0f6 712 tda18271_calc_bp_filter(fe, &freq);
5bea1cd3
MK		 713 tda18271_write_regs(fe, R_EP1, 1);
714
715 regs[R_EB4] &= 0x07;
716 regs[R_EB4] |= 0x60;
717 tda18271_write_regs(fe, R_EB4, 1);
718
719 regs[R_EB7] = 0x60;
720 tda18271_write_regs(fe, R_EB7, 1);
721
722 regs[R_EB14] = 0x00;
723 tda18271_write_regs(fe, R_EB14, 1);
724
725 regs[R_EB20] = 0xcc;
726 tda18271_write_regs(fe, R_EB20, 1);
727
255b5113 728 /* set cal mode to RF tracking filter calibration */
26501a70 729 regs[R_EP4] |= 0x03;
5bea1cd3 730
255b5113 731 /* calculate cal pll */
5bea1cd3
MK		 732
733 switch (priv->mode) {
734 case TDA18271_ANALOG:
735 N = freq - 1250000;
736 break;
737 case TDA18271_DIGITAL:
738 N = freq + bw / 2;
739 break;
740 }
741
fe0bf6d7 742 tda18271_calc_cal_pll(fe, N);
5bea1cd3 743
255b5113 744 /* calculate main pll */
5bea1cd3
MK		 745
746 switch (priv->mode) {
747 case TDA18271_ANALOG:
748 N = freq - 250000;
749 break;
750 case TDA18271_DIGITAL:
751 N = freq + bw / 2 + 1000000;
752 break;
753 }
754
fe0bf6d7 755 tda18271_calc_main_pll(fe, N);
5bea1cd3 756
10ed0bf4 757 ret = tda18271_write_regs(fe, R_EP3, 11);
4bd5d107 758 if (tda_fail(ret))
10ed0bf4
MK		 759 return ret;
760
5bea1cd3
MK		 761 msleep(5); /* RF tracking filter calibration initialization */
762
255b5113 763 /* search for K,M,CO for RF calibration */
b92bf0f6 764 tda18271_calc_km(fe, &freq);
5bea1cd3
MK		 765 tda18271_write_regs(fe, R_EB13, 1);
766
255b5113 767 /* search for rf band */
b92bf0f6 768 tda18271_calc_rf_band(fe, &freq);
5bea1cd3 769
255b5113 770 /* search for gain taper */
b92bf0f6 771 tda18271_calc_gain_taper(fe, &freq);
5bea1cd3
MK		 772
773 tda18271_write_regs(fe, R_EP2, 1);
774 tda18271_write_regs(fe, R_EP1, 1);
775 tda18271_write_regs(fe, R_EP2, 1);
776 tda18271_write_regs(fe, R_EP1, 1);
777
778 regs[R_EB4] &= 0x07;
779 regs[R_EB4] |= 0x40;
780 tda18271_write_regs(fe, R_EB4, 1);
781
782 regs[R_EB7] = 0x40;
783 tda18271_write_regs(fe, R_EB7, 1);
4d2d42bc 784 msleep(10); /* pll locking */
5bea1cd3
MK		 785
786 regs[R_EB20] = 0xec;
787 tda18271_write_regs(fe, R_EB20, 1);
788 msleep(60); /* RF tracking filter calibration completion */
789
790 regs[R_EP4] &= ~0x03; /* set cal mode to normal */
791 tda18271_write_regs(fe, R_EP4, 1);
792
793 tda18271_write_regs(fe, R_EP1, 1);
794
b92bf0f6
MK		 795 /* RF tracking filter correction for VHF_Low band */
796 if (0 == tda18271_calc_rf_cal(fe, &freq))
5bea1cd3 797 tda18271_write_regs(fe, R_EB14, 1);
5bea1cd3 798
4d2d42bc
MK		 799 return 0;
800}
801
d1c53424
MK		 802/* ------------------------------------------------------------------ */
803
12afe378
MK		 804static int tda18271_ir_cal_init(struct dvb_frontend *fe)
805{
806 struct tda18271_priv *priv = fe->tuner_priv;
807 unsigned char *regs = priv->tda18271_regs;
d35fccaf 808 int ret;
12afe378 809
d35fccaf 810 ret = tda18271_read_regs(fe);
4bd5d107 811 if (tda_fail(ret))
d35fccaf 812 goto fail;
12afe378
MK		 813
814 /* test IR_CAL_OK to see if we need init */
815 if ((regs[R_EP1] & 0x08) == 0)
d35fccaf
MK		 816 ret = tda18271_init_regs(fe);
817fail:
818 return ret;
12afe378
MK		 819}
820
821static int tda18271_init(struct dvb_frontend *fe)
822{
823 struct tda18271_priv *priv = fe->tuner_priv;
d35fccaf 824 int ret;
12afe378
MK		 825
826 mutex_lock(&priv->lock);
827
4240b460 828 /* full power up */
d35fccaf 829 ret = tda18271_set_standby_mode(fe, 0, 0, 0);
4bd5d107 830 if (tda_fail(ret))
d35fccaf 831 goto fail;
12afe378
MK		 832
833 /* initialization */
d35fccaf 834 ret = tda18271_ir_cal_init(fe);
4bd5d107 835 if (tda_fail(ret))
d35fccaf 836 goto fail;
12afe378
MK		 837
838 if (priv->id == TDA18271HDC2)
839 tda18271c2_rf_cal_init(fe);
d35fccaf 840fail:
12afe378
MK		 841 mutex_unlock(&priv->lock);
842
d35fccaf 843 return ret;
12afe378
MK		 844}
845
cc7e26d4
MK		 846static int tda18271_sleep(struct dvb_frontend *fe)
847{
848 struct tda18271_priv *priv = fe->tuner_priv;
849 int ret;
850
851 mutex_lock(&priv->lock);
852
853 /* enter standby mode, with required output features enabled */
854 ret = tda18271_toggle_output(fe, 1);
855
856 mutex_unlock(&priv->lock);
857
858 return ret;
859}
860
adcc4b3e
MK		 861/* ------------------------------------------------------------------ */
862
863static int tda18271_agc(struct dvb_frontend *fe)
864{
865 struct tda18271_priv *priv = fe->tuner_priv;
866 int ret = 0;
867
868 switch (priv->config) {
869 case 0:
ecda4273
MK		 870 /* no external agc configuration required */
871 if (tda18271_debug & DBG_ADV)
872 tda_dbg("no agc configuration provided\n");
adcc4b3e
MK		 873 break;
874 case 3:
875 /* switch with GPIO of saa713x */
876 tda_dbg("invoking callback\n");
877 if (fe->callback)
878 ret = fe->callback(priv->i2c_props.adap->algo_data,
879 DVB_FRONTEND_COMPONENT_TUNER,
880 TDA18271_CALLBACK_CMD_AGC_ENABLE,
881 priv->mode);
882 break;
883 case 1:
884 case 2:
885 default:
886 /* n/a - currently not supported */
887 tda_err("unsupported configuration: %d\n", priv->config);
888 ret = -EINVAL;
889 break;
890 }
891 return ret;
892}
893
d1c53424 894static int tda18271_tune(struct dvb_frontend *fe,
c293d0a7 895 struct tda18271_std_map_item *map, u32 freq, u32 bw)
4d2d42bc
MK		 896{
897 struct tda18271_priv *priv = fe->tuner_priv;
d35fccaf 898 int ret;
4d2d42bc 899
7f7203df
MK		 900 tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n",
901 freq, map->if_freq, bw, map->agc_mode, map->std);
d1c53424 902
adcc4b3e
MK		 903 ret = tda18271_agc(fe);
904 if (tda_fail(ret))
905 tda_warn("failed to configure agc\n");
906
d35fccaf 907 ret = tda18271_init(fe);
4bd5d107 908 if (tda_fail(ret))
d35fccaf 909 goto fail;
4d2d42bc
MK		 910
911 mutex_lock(&priv->lock);
912
ccbac9bb
MK		 913 switch (priv->id) {
914 case TDA18271HDC1:
d1c53424 915 tda18271c1_rf_tracking_filter_calibration(fe, freq, bw);
ccbac9bb
MK		 916 break;
917 case TDA18271HDC2:
d1c53424 918 tda18271c2_rf_tracking_filters_correction(fe, freq);
ccbac9bb
MK		 919 break;
920 }
31940e39 921 ret = tda18271_channel_configuration(fe, map, freq, bw);
d1c53424
MK		 922
923 mutex_unlock(&priv->lock);
d35fccaf
MK		 924fail:
925 return ret;
ccbac9bb
MK		 926}
927
5bea1cd3
MK		 928/* ------------------------------------------------------------------ */
929
930static int tda18271_set_params(struct dvb_frontend *fe,
931 struct dvb_frontend_parameters *params)
932{
933 struct tda18271_priv *priv = fe->tuner_priv;
f21e0d7f 934 struct tda18271_std_map *std_map = &priv->std;
c293d0a7 935 struct tda18271_std_map_item *map;
ccbac9bb 936 int ret;
2ba65d51 937 u32 bw, freq = params->frequency;
5bea1cd3
MK		 938
939 priv->mode = TDA18271_DIGITAL;
940
5bea1cd3
MK		 941 if (fe->ops.info.type == FE_ATSC) {
942 switch (params->u.vsb.modulation) {
943 case VSB_8:
944 case VSB_16:
c293d0a7 945 map = &std_map->atsc_6;
5bea1cd3
MK		 946 break;
947 case QAM_64:
948 case QAM_256:
c293d0a7 949 map = &std_map->qam_6;
5bea1cd3
MK		 950 break;
951 default:
182519f4 952 tda_warn("modulation not set!\n");
5bea1cd3
MK		 953 return -EINVAL;
954 }
14e3c152
MK		 955#if 0
956 /* userspace request is already center adjusted */
5bea1cd3 957 freq += 1750000; /* Adjust to center (+1.75MHZ) */
14e3c152 958#endif
5bea1cd3
MK		 959 bw = 6000000;
960 } else if (fe->ops.info.type == FE_OFDM) {
961 switch (params->u.ofdm.bandwidth) {
962 case BANDWIDTH_6_MHZ:
5bea1cd3 963 bw = 6000000;
c293d0a7 964 map = &std_map->dvbt_6;
5bea1cd3
MK		 965 break;
966 case BANDWIDTH_7_MHZ:
5bea1cd3 967 bw = 7000000;
c293d0a7 968 map = &std_map->dvbt_7;
5bea1cd3
MK		 969 break;
970 case BANDWIDTH_8_MHZ:
5bea1cd3 971 bw = 8000000;
c293d0a7 972 map = &std_map->dvbt_8;
5bea1cd3
MK		 973 break;
974 default:
182519f4 975 tda_warn("bandwidth not set!\n");
5bea1cd3
MK		 976 return -EINVAL;
977 }
978 } else {
182519f4 979 tda_warn("modulation type not supported!\n");
5bea1cd3
MK		 980 return -EINVAL;
981 }
982
ed73683f
MK		 983 /* When tuning digital, the analog demod must be tri-stated */
984 if (fe->ops.analog_ops.standby)
985 fe->ops.analog_ops.standby(fe);
986
c293d0a7 987 ret = tda18271_tune(fe, map, freq, bw);
ccbac9bb 988
4bd5d107 989 if (tda_fail(ret))
ccbac9bb
MK		 990 goto fail;
991
992 priv->frequency = freq;
993 priv->bandwidth = (fe->ops.info.type == FE_OFDM) ?
994 params->u.ofdm.bandwidth : 0;
995fail:
996 return ret;
5bea1cd3
MK		 997}
998
999static int tda18271_set_analog_params(struct dvb_frontend *fe,
1000 struct analog_parameters *params)
1001{
1002 struct tda18271_priv *priv = fe->tuner_priv;
f21e0d7f 1003 struct tda18271_std_map *std_map = &priv->std;
c293d0a7 1004 struct tda18271_std_map_item *map;
5bea1cd3 1005 char *mode;
c293d0a7 1006 int ret;
4d831787
MK		 1007 u32 freq = params->frequency * 125 *
1008 ((params->mode == V4L2_TUNER_RADIO) ? 1 : 1000) / 2;
5bea1cd3
MK		 1009
1010 priv->mode = TDA18271_ANALOG;
1011
c353f42f 1012 if (params->mode == V4L2_TUNER_RADIO) {
c293d0a7 1013 map = &std_map->fm_radio;
c353f42f
MK		 1014 mode = "fm";
1015 } else if (params->std & V4L2_STD_MN) {
c293d0a7 1016 map = &std_map->atv_mn;
5bea1cd3
MK		 1017 mode = "MN";
1018 } else if (params->std & V4L2_STD_B) {
c293d0a7 1019 map = &std_map->atv_b;
5bea1cd3
MK		 1020 mode = "B";
1021 } else if (params->std & V4L2_STD_GH) {
c293d0a7 1022 map = &std_map->atv_gh;
5bea1cd3
MK		 1023 mode = "GH";
1024 } else if (params->std & V4L2_STD_PAL_I) {
c293d0a7 1025 map = &std_map->atv_i;
5bea1cd3
MK		 1026 mode = "I";
1027 } else if (params->std & V4L2_STD_DK) {
c293d0a7 1028 map = &std_map->atv_dk;
5bea1cd3
MK		 1029 mode = "DK";
1030 } else if (params->std & V4L2_STD_SECAM_L) {
c293d0a7 1031 map = &std_map->atv_l;
5bea1cd3
MK		 1032 mode = "L";
1033 } else if (params->std & V4L2_STD_SECAM_LC) {
c293d0a7 1034 map = &std_map->atv_lc;
95af8a26 1035 mode = "L'";
5bea1cd3 1036 } else {
c293d0a7 1037 map = &std_map->atv_i;
5bea1cd3
MK		 1038 mode = "xx";
1039 }
1040
182519f4 1041 tda_dbg("setting tda18271 to system %s\n", mode);
5bea1cd3 1042
c293d0a7 1043 ret = tda18271_tune(fe, map, freq, 0);
ccbac9bb 1044
4bd5d107 1045 if (tda_fail(ret))
ccbac9bb
MK		 1046 goto fail;
1047
1048 priv->frequency = freq;
1049 priv->bandwidth = 0;
1050fail:
1051 return ret;
5bea1cd3
MK		 1052}
1053
1054static int tda18271_release(struct dvb_frontend *fe)
1055{
a4f263b5
MK		 1056 struct tda18271_priv *priv = fe->tuner_priv;
1057
1058 mutex_lock(&tda18271_list_mutex);
1059
f9e315a1
MK		 1060 if (priv)
1061 hybrid_tuner_release_state(priv);
a4f263b5 1062
a4f263b5
MK		 1063 mutex_unlock(&tda18271_list_mutex);
1064
5bea1cd3 1065 fe->tuner_priv = NULL;
a4f263b5 1066
5bea1cd3
MK		 1067 return 0;
1068}
1069
1070static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency)
1071{
1072 struct tda18271_priv *priv = fe->tuner_priv;
1073 *frequency = priv->frequency;
1074 return 0;
1075}
1076
1077static int tda18271_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
1078{
1079 struct tda18271_priv *priv = fe->tuner_priv;
1080 *bandwidth = priv->bandwidth;
1081 return 0;
1082}
1083
f21e0d7f
MK		 1084/* ------------------------------------------------------------------ */
1085
1086#define tda18271_update_std(std_cfg, name) do { \
7f7203df 1087 if (map->std_cfg.if_freq + \
c735372f
MK		 1088 map->std_cfg.agc_mode + map->std_cfg.std + \
1089 map->std_cfg.if_lvl + map->std_cfg.rfagc_top > 0) { \
f21e0d7f
MK		 1090 tda_dbg("Using custom std config for %s\n", name); \
1091 memcpy(&std->std_cfg, &map->std_cfg, \
1092 sizeof(struct tda18271_std_map_item)); \
1093 } } while (0)
1094
1095#define tda18271_dump_std_item(std_cfg, name) do { \
c735372f
MK		 1096 tda_dbg("(%s) if_freq = %d, agc_mode = %d, std = %d, " \
1097 "if_lvl = %d, rfagc_top = 0x%02x\n", \
7f7203df 1098 name, std->std_cfg.if_freq, \
c735372f
MK		 1099 std->std_cfg.agc_mode, std->std_cfg.std, \
1100 std->std_cfg.if_lvl, std->std_cfg.rfagc_top); \
f21e0d7f
MK		 1101 } while (0)
1102
1103static int tda18271_dump_std_map(struct dvb_frontend *fe)
1104{
1105 struct tda18271_priv *priv = fe->tuner_priv;
1106 struct tda18271_std_map *std = &priv->std;
1107
1108 tda_dbg("========== STANDARD MAP SETTINGS ==========\n");
c735372f
MK		 1109 tda18271_dump_std_item(fm_radio, " fm ");
1110 tda18271_dump_std_item(atv_b, "atv b ");
1111 tda18271_dump_std_item(atv_dk, "atv dk");
1112 tda18271_dump_std_item(atv_gh, "atv gh");
1113 tda18271_dump_std_item(atv_i, "atv i ");
1114 tda18271_dump_std_item(atv_l, "atv l ");
1115 tda18271_dump_std_item(atv_lc, "atv l'");
f21e0d7f
MK		 1116 tda18271_dump_std_item(atv_mn, "atv mn");
1117 tda18271_dump_std_item(atsc_6, "atsc 6");
1118 tda18271_dump_std_item(dvbt_6, "dvbt 6");
1119 tda18271_dump_std_item(dvbt_7, "dvbt 7");
1120 tda18271_dump_std_item(dvbt_8, "dvbt 8");
c735372f
MK		 1121 tda18271_dump_std_item(qam_6, "qam 6 ");
1122 tda18271_dump_std_item(qam_8, "qam 8 ");
f21e0d7f
MK		 1123
1124 return 0;
1125}
1126
1127static int tda18271_update_std_map(struct dvb_frontend *fe,
1128 struct tda18271_std_map *map)
1129{
1130 struct tda18271_priv *priv = fe->tuner_priv;
1131 struct tda18271_std_map *std = &priv->std;
1132
1133 if (!map)
1134 return -EINVAL;
1135
c353f42f 1136 tda18271_update_std(fm_radio, "fm");
f21e0d7f
MK		 1137 tda18271_update_std(atv_b, "atv b");
1138 tda18271_update_std(atv_dk, "atv dk");
1139 tda18271_update_std(atv_gh, "atv gh");
1140 tda18271_update_std(atv_i, "atv i");
1141 tda18271_update_std(atv_l, "atv l");
1142 tda18271_update_std(atv_lc, "atv l'");
1143 tda18271_update_std(atv_mn, "atv mn");
1144 tda18271_update_std(atsc_6, "atsc 6");
1145 tda18271_update_std(dvbt_6, "dvbt 6");
1146 tda18271_update_std(dvbt_7, "dvbt 7");
1147 tda18271_update_std(dvbt_8, "dvbt 8");
1148 tda18271_update_std(qam_6, "qam 6");
1149 tda18271_update_std(qam_8, "qam 8");
1150
1151 return 0;
1152}
1153
49e7aaf0
MK		 1154static int tda18271_get_id(struct dvb_frontend *fe)
1155{
1156 struct tda18271_priv *priv = fe->tuner_priv;
1157 unsigned char *regs = priv->tda18271_regs;
1158 char *name;
1159 int ret = 0;
1160
8d316bf5 1161 mutex_lock(&priv->lock);
49e7aaf0 1162 tda18271_read_regs(fe);
8d316bf5 1163 mutex_unlock(&priv->lock);
49e7aaf0
MK		 1164
1165 switch (regs[R_ID] & 0x7f) {
1166 case 3:
1167 name = "TDA18271HD/C1";
255b5113 1168 priv->id = TDA18271HDC1;
49e7aaf0
MK		 1169 break;
1170 case 4:
1171 name = "TDA18271HD/C2";
255b5113 1172 priv->id = TDA18271HDC2;
49e7aaf0
MK		 1173 break;
1174 default:
1175 name = "Unknown device";
1176 ret = -EINVAL;
1177 break;
1178 }
1179
182519f4 1180 tda_info("%s detected @ %d-%04x%s\n", name,
f9e315a1
MK		 1181 i2c_adapter_id(priv->i2c_props.adap),
1182 priv->i2c_props.addr,
49e7aaf0
MK		 1183 (0 == ret) ? "" : ", device not supported.");
1184
1185 return ret;
1186}
1187
c54e1dde
MK		 1188static int tda18271_setup_configuration(struct dvb_frontend *fe,
1189 struct tda18271_config *cfg)
42f9a03e
MK		 1190{
1191 struct tda18271_priv *priv = fe->tuner_priv;
42f9a03e
MK		 1192
1193 priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO;
1194 priv->role = (cfg) ? cfg->role : TDA18271_MASTER;
1195 priv->config = (cfg) ? cfg->config : 0;
1196 priv->small_i2c = (cfg) ?
1197 cfg->small_i2c : TDA18271_39_BYTE_CHUNK_INIT;
1198 priv->output_opt = (cfg) ?
1199 cfg->output_opt : TDA18271_OUTPUT_LT_XT_ON;
1200
1201 /* override default std map with values in config struct */
1202 if ((cfg) && (cfg->std_map))
1203 tda18271_update_std_map(fe, cfg->std_map);
1204
1205 return 0;
1206}
1207
c54e1dde
MK		 1208static int tda18271_set_config(struct dvb_frontend *fe, void *priv_cfg)
1209{
1210 struct tda18271_config *cfg = (struct tda18271_config *) priv_cfg;
1211 int rf_cal_on_startup;
1212
1213 tda18271_setup_configuration(fe, cfg);
1214
1215 /* tda18271_cal_on_startup == -1 when cal module option is unset */
1216 if (tda18271_cal_on_startup == -1) {
1217 /* honor configuration setting */
1218 rf_cal_on_startup =
1219 ((cfg) && (cfg->rf_cal_on_startup)) ? 1 : 0;
1220 } else {
1221 /* module option overrides configuration setting */
1222 rf_cal_on_startup = tda18271_cal_on_startup;
1223 }
1224 if (rf_cal_on_startup)
1225 tda18271_init(fe);
1226
1227 return 0;
1228}
1229
5bea1cd3
MK		 1230static struct dvb_tuner_ops tda18271_tuner_ops = {
1231 .info = {
1232 .name = "NXP TDA18271HD",
1233 .frequency_min = 45000000,
1234 .frequency_max = 864000000,
1235 .frequency_step = 62500
1236 },
efce8410 1237 .init = tda18271_init,
518d8739 1238 .sleep = tda18271_sleep,
5bea1cd3
MK		 1239 .set_params = tda18271_set_params,
1240 .set_analog_params = tda18271_set_analog_params,
1241 .release = tda18271_release,
42f9a03e 1242 .set_config = tda18271_set_config,
5bea1cd3
MK		 1243 .get_frequency = tda18271_get_frequency,
1244 .get_bandwidth = tda18271_get_bandwidth,
1245};
1246
1247struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
e435f95c 1248 struct i2c_adapter *i2c,
f21e0d7f 1249 struct tda18271_config *cfg)
5bea1cd3
MK		 1250{
1251 struct tda18271_priv *priv = NULL;
188ea058 1252 int instance, rf_cal_on_startup = 0;
a4f263b5
MK		 1253
1254 mutex_lock(&tda18271_list_mutex);
1255
f9e315a1
MK		 1256 instance = hybrid_tuner_request_state(struct tda18271_priv, priv,
1257 hybrid_tuner_instance_list,
1258 i2c, addr, "tda18271");
1259 switch (instance) {
1260 case 0:
1261 goto fail;
f9e315a1 1262 case 1:
81016b49 1263 {
f9e315a1 1264 /* new tuner instance */
42f9a03e
MK		 1265 fe->tuner_priv = priv;
1266
c54e1dde 1267 tda18271_setup_configuration(fe, cfg);
81016b49
MK		 1268
1269 /* tda18271_cal_on_startup == -1 when cal
1270 * module option is unset */
1271 if (tda18271_cal_on_startup == -1) {
1272 /* honor attach-time configuration */
1273 rf_cal_on_startup =
1274 ((cfg) && (cfg->rf_cal_on_startup)) ? 1 : 0;
1275 } else {
1276 /* module option overrides attach configuration */
1277 rf_cal_on_startup = tda18271_cal_on_startup;
1278 }
1279
a4f263b5
MK		 1280 priv->cal_initialized = false;
1281 mutex_init(&priv->lock);
5bea1cd3 1282
4bd5d107 1283 if (tda_fail(tda18271_get_id(fe)))
a4f263b5 1284 goto fail;
49e7aaf0 1285
4bd5d107 1286 if (tda_fail(tda18271_assign_map_layout(fe)))
a4f263b5 1287 goto fail;
255b5113 1288
a4f263b5
MK		 1289 mutex_lock(&priv->lock);
1290 tda18271_init_regs(fe);
0f96251e 1291
81016b49 1292 if ((rf_cal_on_startup) && (priv->id == TDA18271HDC2))
12afe378 1293 tda18271c2_rf_cal_init(fe);
0f96251e 1294
a4f263b5 1295 mutex_unlock(&priv->lock);
f9e315a1 1296 break;
81016b49 1297 }
f9e315a1
MK		 1298 default:
1299 /* existing tuner instance */
1300 fe->tuner_priv = priv;
1301
d5abef6b
MK		 1302 /* allow dvb driver to override configuration settings */
1303 if (cfg) {
1304 if (cfg->gate != TDA18271_GATE_ANALOG)
1305 priv->gate = cfg->gate;
1306 if (cfg->role)
1307 priv->role = cfg->role;
1308 if (cfg->config)
1309 priv->config = cfg->config;
1310 if (cfg->small_i2c)
1311 priv->small_i2c = cfg->small_i2c;
1312 if (cfg->output_opt)
1313 priv->output_opt = cfg->output_opt;
42f9a03e
MK		 1314 if (cfg->std_map)
1315 tda18271_update_std_map(fe, cfg->std_map);
188ea058
MK		 1316
1317 /* tda18271_cal_on_startup == -1 when cal
1318 * module option is unset */
1319 if (tda18271_cal_on_startup == -1) {
1320 /* honor attach-time configuration */
1321 rf_cal_on_startup =
1322 (cfg->rf_cal_on_startup) ? 1 : 0;
1323 } else {
1324 /* module option overrides attach config */
1325 rf_cal_on_startup = tda18271_cal_on_startup;
1326 }
d5abef6b 1327 }
188ea058
MK		 1328 if (rf_cal_on_startup)
1329 tda18271_init(fe);
f9e315a1 1330 break;
a4f263b5 1331 }
5bea1cd3 1332
a4f263b5 1333 mutex_unlock(&tda18271_list_mutex);
8d316bf5 1334
a4f263b5
MK		 1335 memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops,
1336 sizeof(struct dvb_tuner_ops));
efce8410 1337
c735372f 1338 if (tda18271_debug & (DBG_MAP | DBG_ADV))
a4f263b5 1339 tda18271_dump_std_map(fe);
8d316bf5 1340
5bea1cd3 1341 return fe;
49e7aaf0 1342fail:
a4f263b5
MK		 1343 mutex_unlock(&tda18271_list_mutex);
1344
49e7aaf0
MK		 1345 tda18271_release(fe);
1346 return NULL;
5bea1cd3
MK		 1347}
1348EXPORT_SYMBOL_GPL(tda18271_attach);
1349MODULE_DESCRIPTION("NXP TDA18271HD analog / digital tuner driver");
1350MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>");
1351MODULE_LICENSE("GPL");
5ec96b0c 1352MODULE_VERSION("0.3");
5bea1cd3
MK		 1353
1354/*
1355 * Overrides for Emacs so that we follow Linus's tabbing style.
1356 * ---------------------------------------------------------------------------
1357 * Local variables:
1358 * c-basic-offset: 8
1359 * End:
1360 */
Linux kernel - Deliverables
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