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Commit | Line | Data |
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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 | 25 | int tda18271_debug; |
54465b08 | 26 | module_param_named(debug, tda18271_debug, int, 0644); |
0e1fab90 | 27 | MODULE_PARM_DESC(debug, "set debug level " |
cf04d29c | 28 | "(info=1, map=2, reg=4, adv=8, cal=16 (or-able))"); |
5bea1cd3 | 29 | |
bc835d80 | 30 | static int tda18271_cal_on_startup; |
0f96251e MK |
31 | module_param_named(cal, tda18271_cal_on_startup, int, 0644); |
32 | MODULE_PARM_DESC(cal, "perform RF tracking filter calibration on startup"); | |
33 | ||
a4f263b5 | 34 | static DEFINE_MUTEX(tda18271_list_mutex); |
f9e315a1 | 35 | static LIST_HEAD(hybrid_tuner_instance_list); |
a4f263b5 | 36 | |
5bea1cd3 MK |
37 | /*---------------------------------------------------------------------*/ |
38 | ||
868f5ccd MK |
39 | static inline int charge_pump_source(struct dvb_frontend *fe, int force) |
40 | { | |
41 | struct tda18271_priv *priv = fe->tuner_priv; | |
42 | return tda18271_charge_pump_source(fe, | |
43 | (priv->role == TDA18271_SLAVE) ? | |
44 | TDA18271_CAL_PLL : | |
45 | TDA18271_MAIN_PLL, force); | |
46 | } | |
47 | ||
255b5113 | 48 | static int tda18271_channel_configuration(struct dvb_frontend *fe, |
c293d0a7 MK |
49 | struct tda18271_std_map_item *map, |
50 | u32 freq, u32 bw) | |
255b5113 MK |
51 | { |
52 | struct tda18271_priv *priv = fe->tuner_priv; | |
53 | unsigned char *regs = priv->tda18271_regs; | |
54 | u32 N; | |
55 | ||
56 | /* update TV broadcast parameters */ | |
57 | ||
58 | /* set standard */ | |
59 | regs[R_EP3] &= ~0x1f; /* clear std bits */ | |
7f7203df | 60 | regs[R_EP3] |= (map->agc_mode << 3) | map->std; |
255b5113 | 61 | |
40194b2b MK |
62 | /* set rfagc to high speed mode */ |
63 | regs[R_EP3] &= ~0x04; | |
64 | ||
255b5113 MK |
65 | /* set cal mode to normal */ |
66 | regs[R_EP4] &= ~0x03; | |
67 | ||
68 | /* update IF output level & IF notch frequency */ | |
69 | regs[R_EP4] &= ~0x1c; /* clear if level bits */ | |
14c74b23 | 70 | regs[R_EP4] |= (map->if_lvl << 2); |
255b5113 MK |
71 | |
72 | switch (priv->mode) { | |
73 | case TDA18271_ANALOG: | |
74 | regs[R_MPD] &= ~0x80; /* IF notch = 0 */ | |
75 | break; | |
76 | case TDA18271_DIGITAL: | |
255b5113 MK |
77 | regs[R_MPD] |= 0x80; /* IF notch = 1 */ |
78 | break; | |
79 | } | |
c353f42f | 80 | |
c293d0a7 MK |
81 | /* update FM_RFn */ |
82 | regs[R_EP4] &= ~0x80; | |
83 | regs[R_EP4] |= map->fm_rfn << 7; | |
255b5113 | 84 | |
c0dc0c11 MK |
85 | /* update rf top / if top */ |
86 | regs[R_EB22] = 0x00; | |
87 | regs[R_EB22] |= map->rfagc_top; | |
255b5113 MK |
88 | tda18271_write_regs(fe, R_EB22, 1); |
89 | ||
90 | /* --------------------------------------------------------------- */ | |
91 | ||
92 | /* disable Power Level Indicator */ | |
93 | regs[R_EP1] |= 0x40; | |
94 | ||
95 | /* frequency dependent parameters */ | |
96 | ||
97 | tda18271_calc_ir_measure(fe, &freq); | |
98 | ||
99 | tda18271_calc_bp_filter(fe, &freq); | |
100 | ||
101 | tda18271_calc_rf_band(fe, &freq); | |
102 | ||
103 | tda18271_calc_gain_taper(fe, &freq); | |
104 | ||
105 | /* --------------------------------------------------------------- */ | |
106 | ||
107 | /* dual tuner and agc1 extra configuration */ | |
108 | ||
868f5ccd MK |
109 | switch (priv->role) { |
110 | case TDA18271_MASTER: | |
111 | regs[R_EB1] |= 0x04; /* main vco */ | |
112 | break; | |
113 | case TDA18271_SLAVE: | |
114 | regs[R_EB1] &= ~0x04; /* cal vco */ | |
115 | break; | |
116 | } | |
255b5113 MK |
117 | |
118 | /* agc1 always active */ | |
119 | regs[R_EB1] &= ~0x02; | |
120 | ||
121 | /* agc1 has priority on agc2 */ | |
122 | regs[R_EB1] &= ~0x01; | |
123 | ||
124 | tda18271_write_regs(fe, R_EB1, 1); | |
125 | ||
126 | /* --------------------------------------------------------------- */ | |
127 | ||
c293d0a7 | 128 | N = map->if_freq * 1000 + freq; |
255b5113 | 129 | |
868f5ccd MK |
130 | switch (priv->role) { |
131 | case TDA18271_MASTER: | |
132 | tda18271_calc_main_pll(fe, N); | |
133 | tda18271_write_regs(fe, R_MPD, 4); | |
134 | break; | |
135 | case TDA18271_SLAVE: | |
136 | tda18271_calc_cal_pll(fe, N); | |
137 | tda18271_write_regs(fe, R_CPD, 4); | |
138 | ||
139 | regs[R_MPD] = regs[R_CPD] & 0x7f; | |
140 | tda18271_write_regs(fe, R_MPD, 1); | |
141 | break; | |
142 | } | |
255b5113 MK |
143 | |
144 | tda18271_write_regs(fe, R_TM, 7); | |
145 | ||
868f5ccd MK |
146 | /* force charge pump source */ |
147 | charge_pump_source(fe, 1); | |
255b5113 MK |
148 | |
149 | msleep(1); | |
150 | ||
868f5ccd MK |
151 | /* return pll to normal operation */ |
152 | charge_pump_source(fe, 0); | |
255b5113 | 153 | |
40194b2b MK |
154 | msleep(20); |
155 | ||
156 | /* set rfagc to normal speed mode */ | |
157 | if (map->fm_rfn) | |
158 | regs[R_EP3] &= ~0x04; | |
159 | else | |
160 | regs[R_EP3] |= 0x04; | |
161 | tda18271_write_regs(fe, R_EP3, 1); | |
255b5113 MK |
162 | |
163 | return 0; | |
164 | } | |
165 | ||
166 | static int tda18271_read_thermometer(struct dvb_frontend *fe) | |
167 | { | |
168 | struct tda18271_priv *priv = fe->tuner_priv; | |
169 | unsigned char *regs = priv->tda18271_regs; | |
170 | int tm; | |
171 | ||
172 | /* switch thermometer on */ | |
173 | regs[R_TM] |= 0x10; | |
174 | tda18271_write_regs(fe, R_TM, 1); | |
175 | ||
176 | /* read thermometer info */ | |
177 | tda18271_read_regs(fe); | |
178 | ||
179 | if ((((regs[R_TM] & 0x0f) == 0x00) && ((regs[R_TM] & 0x20) == 0x20)) || | |
180 | (((regs[R_TM] & 0x0f) == 0x08) && ((regs[R_TM] & 0x20) == 0x00))) { | |
181 | ||
182 | if ((regs[R_TM] & 0x20) == 0x20) | |
183 | regs[R_TM] &= ~0x20; | |
184 | else | |
185 | regs[R_TM] |= 0x20; | |
186 | ||
187 | tda18271_write_regs(fe, R_TM, 1); | |
188 | ||
189 | msleep(10); /* temperature sensing */ | |
190 | ||
191 | /* read thermometer info */ | |
192 | tda18271_read_regs(fe); | |
193 | } | |
194 | ||
195 | tm = tda18271_lookup_thermometer(fe); | |
196 | ||
197 | /* switch thermometer off */ | |
198 | regs[R_TM] &= ~0x10; | |
199 | tda18271_write_regs(fe, R_TM, 1); | |
200 | ||
201 | /* set CAL mode to normal */ | |
202 | regs[R_EP4] &= ~0x03; | |
203 | tda18271_write_regs(fe, R_EP4, 1); | |
204 | ||
205 | return tm; | |
206 | } | |
207 | ||
12afe378 MK |
208 | /* ------------------------------------------------------------------ */ |
209 | ||
d1c53424 MK |
210 | static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe, |
211 | u32 freq) | |
255b5113 MK |
212 | { |
213 | struct tda18271_priv *priv = fe->tuner_priv; | |
214 | struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; | |
215 | unsigned char *regs = priv->tda18271_regs; | |
216 | int tm_current, rfcal_comp, approx, i; | |
217 | u8 dc_over_dt, rf_tab; | |
218 | ||
219 | /* power up */ | |
518d8739 | 220 | tda18271_set_standby_mode(fe, 0, 0, 0); |
255b5113 MK |
221 | |
222 | /* read die current temperature */ | |
223 | tm_current = tda18271_read_thermometer(fe); | |
224 | ||
225 | /* frequency dependent parameters */ | |
226 | ||
227 | tda18271_calc_rf_cal(fe, &freq); | |
228 | rf_tab = regs[R_EB14]; | |
229 | ||
230 | i = tda18271_lookup_rf_band(fe, &freq, NULL); | |
231 | if (i < 0) | |
232 | return -EINVAL; | |
233 | ||
234 | if ((0 == map[i].rf3) || (freq / 1000 < map[i].rf2)) { | |
235 | approx = map[i].rf_a1 * | |
236 | (freq / 1000 - map[i].rf1) + map[i].rf_b1 + rf_tab; | |
237 | } else { | |
238 | approx = map[i].rf_a2 * | |
239 | (freq / 1000 - map[i].rf2) + map[i].rf_b2 + rf_tab; | |
240 | } | |
241 | ||
242 | if (approx < 0) | |
243 | approx = 0; | |
244 | if (approx > 255) | |
245 | approx = 255; | |
246 | ||
247 | tda18271_lookup_map(fe, RF_CAL_DC_OVER_DT, &freq, &dc_over_dt); | |
248 | ||
249 | /* calculate temperature compensation */ | |
09f83c4f | 250 | rfcal_comp = dc_over_dt * (tm_current - priv->tm_rfcal); |
255b5113 MK |
251 | |
252 | regs[R_EB14] = approx + rfcal_comp; | |
253 | tda18271_write_regs(fe, R_EB14, 1); | |
254 | ||
255 | return 0; | |
256 | } | |
257 | ||
258 | static int tda18271_por(struct dvb_frontend *fe) | |
259 | { | |
260 | struct tda18271_priv *priv = fe->tuner_priv; | |
261 | unsigned char *regs = priv->tda18271_regs; | |
262 | ||
263 | /* power up detector 1 */ | |
264 | regs[R_EB12] &= ~0x20; | |
265 | tda18271_write_regs(fe, R_EB12, 1); | |
266 | ||
267 | regs[R_EB18] &= ~0x80; /* turn agc1 loop on */ | |
268 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
269 | tda18271_write_regs(fe, R_EB18, 1); | |
270 | ||
271 | regs[R_EB21] |= 0x03; /* set agc2_gain to -6 dB */ | |
272 | ||
273 | /* POR mode */ | |
518d8739 | 274 | tda18271_set_standby_mode(fe, 1, 0, 0); |
255b5113 MK |
275 | |
276 | /* disable 1.5 MHz low pass filter */ | |
277 | regs[R_EB23] &= ~0x04; /* forcelp_fc2_en = 0 */ | |
278 | regs[R_EB23] &= ~0x02; /* XXX: lp_fc[2] = 0 */ | |
279 | tda18271_write_regs(fe, R_EB21, 3); | |
280 | ||
281 | return 0; | |
282 | } | |
283 | ||
284 | static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq) | |
285 | { | |
286 | struct tda18271_priv *priv = fe->tuner_priv; | |
287 | unsigned char *regs = priv->tda18271_regs; | |
288 | u32 N; | |
289 | ||
290 | /* set CAL mode to normal */ | |
291 | regs[R_EP4] &= ~0x03; | |
292 | tda18271_write_regs(fe, R_EP4, 1); | |
293 | ||
294 | /* switch off agc1 */ | |
295 | regs[R_EP3] |= 0x40; /* sm_lt = 1 */ | |
296 | ||
297 | regs[R_EB18] |= 0x03; /* set agc1_gain to 15 dB */ | |
298 | tda18271_write_regs(fe, R_EB18, 1); | |
299 | ||
300 | /* frequency dependent parameters */ | |
301 | ||
302 | tda18271_calc_bp_filter(fe, &freq); | |
303 | tda18271_calc_gain_taper(fe, &freq); | |
304 | tda18271_calc_rf_band(fe, &freq); | |
305 | tda18271_calc_km(fe, &freq); | |
306 | ||
307 | tda18271_write_regs(fe, R_EP1, 3); | |
308 | tda18271_write_regs(fe, R_EB13, 1); | |
309 | ||
310 | /* main pll charge pump source */ | |
4efb0ca5 | 311 | tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1); |
255b5113 MK |
312 | |
313 | /* cal pll charge pump source */ | |
4efb0ca5 | 314 | tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 1); |
255b5113 MK |
315 | |
316 | /* force dcdc converter to 0 V */ | |
317 | regs[R_EB14] = 0x00; | |
318 | tda18271_write_regs(fe, R_EB14, 1); | |
319 | ||
320 | /* disable plls lock */ | |
321 | regs[R_EB20] &= ~0x20; | |
322 | tda18271_write_regs(fe, R_EB20, 1); | |
323 | ||
324 | /* set CAL mode to RF tracking filter calibration */ | |
325 | regs[R_EP4] |= 0x03; | |
326 | tda18271_write_regs(fe, R_EP4, 2); | |
327 | ||
328 | /* --------------------------------------------------------------- */ | |
329 | ||
330 | /* set the internal calibration signal */ | |
331 | N = freq; | |
332 | ||
ae07d042 MK |
333 | tda18271_calc_cal_pll(fe, N); |
334 | tda18271_write_regs(fe, R_CPD, 4); | |
255b5113 MK |
335 | |
336 | /* downconvert internal calibration */ | |
337 | N += 1000000; | |
338 | ||
339 | tda18271_calc_main_pll(fe, N); | |
340 | tda18271_write_regs(fe, R_MPD, 4); | |
341 | ||
342 | msleep(5); | |
343 | ||
344 | tda18271_write_regs(fe, R_EP2, 1); | |
345 | tda18271_write_regs(fe, R_EP1, 1); | |
346 | tda18271_write_regs(fe, R_EP2, 1); | |
347 | tda18271_write_regs(fe, R_EP1, 1); | |
348 | ||
349 | /* --------------------------------------------------------------- */ | |
350 | ||
351 | /* normal operation for the main pll */ | |
4efb0ca5 | 352 | tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0); |
255b5113 MK |
353 | |
354 | /* normal operation for the cal pll */ | |
4efb0ca5 | 355 | tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 0); |
255b5113 | 356 | |
ae07d042 | 357 | msleep(10); /* plls locking */ |
255b5113 MK |
358 | |
359 | /* launch the rf tracking filters calibration */ | |
360 | regs[R_EB20] |= 0x20; | |
361 | tda18271_write_regs(fe, R_EB20, 1); | |
362 | ||
363 | msleep(60); /* calibration */ | |
364 | ||
365 | /* --------------------------------------------------------------- */ | |
366 | ||
367 | /* set CAL mode to normal */ | |
368 | regs[R_EP4] &= ~0x03; | |
369 | ||
370 | /* switch on agc1 */ | |
371 | regs[R_EP3] &= ~0x40; /* sm_lt = 0 */ | |
372 | ||
373 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
374 | tda18271_write_regs(fe, R_EB18, 1); | |
375 | ||
376 | tda18271_write_regs(fe, R_EP3, 2); | |
377 | ||
378 | /* synchronization */ | |
379 | tda18271_write_regs(fe, R_EP1, 1); | |
380 | ||
381 | /* get calibration result */ | |
382 | tda18271_read_extended(fe); | |
383 | ||
384 | return regs[R_EB14]; | |
385 | } | |
386 | ||
387 | static int tda18271_powerscan(struct dvb_frontend *fe, | |
388 | u32 *freq_in, u32 *freq_out) | |
389 | { | |
390 | struct tda18271_priv *priv = fe->tuner_priv; | |
391 | unsigned char *regs = priv->tda18271_regs; | |
392 | int sgn, bcal, count, wait; | |
393 | u8 cid_target; | |
394 | u16 count_limit; | |
395 | u32 freq; | |
396 | ||
397 | freq = *freq_in; | |
398 | ||
399 | tda18271_calc_rf_band(fe, &freq); | |
400 | tda18271_calc_rf_cal(fe, &freq); | |
401 | tda18271_calc_gain_taper(fe, &freq); | |
402 | tda18271_lookup_cid_target(fe, &freq, &cid_target, &count_limit); | |
403 | ||
404 | tda18271_write_regs(fe, R_EP2, 1); | |
405 | tda18271_write_regs(fe, R_EB14, 1); | |
406 | ||
407 | /* downconvert frequency */ | |
408 | freq += 1000000; | |
409 | ||
410 | tda18271_calc_main_pll(fe, freq); | |
411 | tda18271_write_regs(fe, R_MPD, 4); | |
412 | ||
413 | msleep(5); /* pll locking */ | |
414 | ||
415 | /* detection mode */ | |
416 | regs[R_EP4] &= ~0x03; | |
417 | regs[R_EP4] |= 0x01; | |
418 | tda18271_write_regs(fe, R_EP4, 1); | |
419 | ||
420 | /* launch power detection measurement */ | |
421 | tda18271_write_regs(fe, R_EP2, 1); | |
422 | ||
423 | /* read power detection info, stored in EB10 */ | |
424 | tda18271_read_extended(fe); | |
425 | ||
426 | /* algorithm initialization */ | |
427 | sgn = 1; | |
428 | *freq_out = *freq_in; | |
429 | bcal = 0; | |
430 | count = 0; | |
431 | wait = false; | |
432 | ||
433 | while ((regs[R_EB10] & 0x3f) < cid_target) { | |
434 | /* downconvert updated freq to 1 MHz */ | |
435 | freq = *freq_in + (sgn * count) + 1000000; | |
436 | ||
437 | tda18271_calc_main_pll(fe, freq); | |
438 | tda18271_write_regs(fe, R_MPD, 4); | |
439 | ||
440 | if (wait) { | |
441 | msleep(5); /* pll locking */ | |
442 | wait = false; | |
443 | } else | |
444 | udelay(100); /* pll locking */ | |
445 | ||
446 | /* launch power detection measurement */ | |
447 | tda18271_write_regs(fe, R_EP2, 1); | |
448 | ||
449 | /* read power detection info, stored in EB10 */ | |
450 | tda18271_read_extended(fe); | |
451 | ||
452 | count += 200; | |
453 | ||
e7809a07 | 454 | if (count <= count_limit) |
255b5113 MK |
455 | continue; |
456 | ||
457 | if (sgn <= 0) | |
458 | break; | |
459 | ||
460 | sgn = -1 * sgn; | |
461 | count = 200; | |
462 | wait = true; | |
463 | } | |
464 | ||
465 | if ((regs[R_EB10] & 0x3f) >= cid_target) { | |
466 | bcal = 1; | |
467 | *freq_out = freq - 1000000; | |
468 | } else | |
469 | bcal = 0; | |
470 | ||
cf04d29c | 471 | tda_cal("bcal = %d, freq_in = %d, freq_out = %d (freq = %d)\n", |
255b5113 MK |
472 | bcal, *freq_in, *freq_out, freq); |
473 | ||
474 | return bcal; | |
475 | } | |
476 | ||
477 | static int tda18271_powerscan_init(struct dvb_frontend *fe) | |
478 | { | |
479 | struct tda18271_priv *priv = fe->tuner_priv; | |
480 | unsigned char *regs = priv->tda18271_regs; | |
481 | ||
482 | /* set standard to digital */ | |
483 | regs[R_EP3] &= ~0x1f; /* clear std bits */ | |
484 | regs[R_EP3] |= 0x12; | |
485 | ||
486 | /* set cal mode to normal */ | |
487 | regs[R_EP4] &= ~0x03; | |
488 | ||
489 | /* update IF output level & IF notch frequency */ | |
490 | regs[R_EP4] &= ~0x1c; /* clear if level bits */ | |
491 | ||
492 | tda18271_write_regs(fe, R_EP3, 2); | |
493 | ||
494 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
495 | tda18271_write_regs(fe, R_EB18, 1); | |
496 | ||
497 | regs[R_EB21] &= ~0x03; /* set agc2_gain to -15 dB */ | |
498 | ||
499 | /* 1.5 MHz low pass filter */ | |
500 | regs[R_EB23] |= 0x04; /* forcelp_fc2_en = 1 */ | |
501 | regs[R_EB23] |= 0x02; /* lp_fc[2] = 1 */ | |
502 | ||
503 | tda18271_write_regs(fe, R_EB21, 3); | |
504 | ||
505 | return 0; | |
506 | } | |
507 | ||
508 | static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq) | |
509 | { | |
510 | struct tda18271_priv *priv = fe->tuner_priv; | |
511 | struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; | |
512 | unsigned char *regs = priv->tda18271_regs; | |
513 | int bcal, rf, i; | |
514 | #define RF1 0 | |
515 | #define RF2 1 | |
516 | #define RF3 2 | |
517 | u32 rf_default[3]; | |
518 | u32 rf_freq[3]; | |
519 | u8 prog_cal[3]; | |
520 | u8 prog_tab[3]; | |
521 | ||
522 | i = tda18271_lookup_rf_band(fe, &freq, NULL); | |
523 | ||
524 | if (i < 0) | |
525 | return i; | |
526 | ||
527 | rf_default[RF1] = 1000 * map[i].rf1_def; | |
528 | rf_default[RF2] = 1000 * map[i].rf2_def; | |
529 | rf_default[RF3] = 1000 * map[i].rf3_def; | |
530 | ||
531 | for (rf = RF1; rf <= RF3; rf++) { | |
532 | if (0 == rf_default[rf]) | |
533 | return 0; | |
cf04d29c | 534 | tda_cal("freq = %d, rf = %d\n", freq, rf); |
255b5113 MK |
535 | |
536 | /* look for optimized calibration frequency */ | |
537 | bcal = tda18271_powerscan(fe, &rf_default[rf], &rf_freq[rf]); | |
538 | ||
539 | tda18271_calc_rf_cal(fe, &rf_freq[rf]); | |
540 | prog_tab[rf] = regs[R_EB14]; | |
541 | ||
542 | if (1 == bcal) | |
543 | prog_cal[rf] = tda18271_calibrate_rf(fe, rf_freq[rf]); | |
544 | else | |
545 | prog_cal[rf] = prog_tab[rf]; | |
546 | ||
547 | switch (rf) { | |
548 | case RF1: | |
549 | map[i].rf_a1 = 0; | |
550 | map[i].rf_b1 = prog_cal[RF1] - prog_tab[RF1]; | |
551 | map[i].rf1 = rf_freq[RF1] / 1000; | |
552 | break; | |
553 | case RF2: | |
554 | map[i].rf_a1 = (prog_cal[RF2] - prog_tab[RF2] - | |
555 | prog_cal[RF1] + prog_tab[RF1]) / | |
556 | ((rf_freq[RF2] - rf_freq[RF1]) / 1000); | |
557 | map[i].rf2 = rf_freq[RF2] / 1000; | |
558 | break; | |
559 | case RF3: | |
560 | map[i].rf_a2 = (prog_cal[RF3] - prog_tab[RF3] - | |
561 | prog_cal[RF2] + prog_tab[RF2]) / | |
562 | ((rf_freq[RF3] - rf_freq[RF2]) / 1000); | |
563 | map[i].rf_b2 = prog_cal[RF2] - prog_tab[RF2]; | |
564 | map[i].rf3 = rf_freq[RF3] / 1000; | |
565 | break; | |
566 | default: | |
567 | BUG(); | |
568 | } | |
569 | } | |
570 | ||
571 | return 0; | |
572 | } | |
573 | ||
09f83c4f | 574 | static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe) |
255b5113 MK |
575 | { |
576 | struct tda18271_priv *priv = fe->tuner_priv; | |
577 | unsigned int i; | |
578 | ||
579 | tda_info("tda18271: performing RF tracking filter calibration\n"); | |
580 | ||
581 | /* wait for die temperature stabilization */ | |
582 | msleep(200); | |
583 | ||
584 | tda18271_powerscan_init(fe); | |
585 | ||
586 | /* rf band calibration */ | |
587 | for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++) | |
588 | tda18271_rf_tracking_filters_init(fe, 1000 * | |
589 | priv->rf_cal_state[i].rfmax); | |
590 | ||
09f83c4f | 591 | priv->tm_rfcal = tda18271_read_thermometer(fe); |
255b5113 MK |
592 | |
593 | return 0; | |
594 | } | |
595 | ||
596 | /* ------------------------------------------------------------------ */ | |
597 | ||
12afe378 | 598 | static int tda18271c2_rf_cal_init(struct dvb_frontend *fe) |
255b5113 MK |
599 | { |
600 | struct tda18271_priv *priv = fe->tuner_priv; | |
839c6c96 MK |
601 | unsigned char *regs = priv->tda18271_regs; |
602 | ||
603 | /* test RF_CAL_OK to see if we need init */ | |
604 | if ((regs[R_EP1] & 0x10) == 0) | |
605 | priv->cal_initialized = false; | |
255b5113 MK |
606 | |
607 | if (priv->cal_initialized) | |
608 | return 0; | |
609 | ||
09f83c4f | 610 | tda18271_calc_rf_filter_curve(fe); |
255b5113 MK |
611 | |
612 | tda18271_por(fe); | |
613 | ||
6bfa6657 MK |
614 | tda_info("tda18271: RF tracking filter calibration complete\n"); |
615 | ||
255b5113 MK |
616 | priv->cal_initialized = true; |
617 | ||
618 | return 0; | |
619 | } | |
620 | ||
4d2d42bc MK |
621 | static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe, |
622 | u32 freq, u32 bw) | |
5bea1cd3 MK |
623 | { |
624 | struct tda18271_priv *priv = fe->tuner_priv; | |
625 | unsigned char *regs = priv->tda18271_regs; | |
fe0bf6d7 | 626 | u32 N = 0; |
5bea1cd3 | 627 | |
255b5113 | 628 | /* calculate bp filter */ |
b92bf0f6 | 629 | tda18271_calc_bp_filter(fe, &freq); |
5bea1cd3 MK |
630 | tda18271_write_regs(fe, R_EP1, 1); |
631 | ||
632 | regs[R_EB4] &= 0x07; | |
633 | regs[R_EB4] |= 0x60; | |
634 | tda18271_write_regs(fe, R_EB4, 1); | |
635 | ||
636 | regs[R_EB7] = 0x60; | |
637 | tda18271_write_regs(fe, R_EB7, 1); | |
638 | ||
639 | regs[R_EB14] = 0x00; | |
640 | tda18271_write_regs(fe, R_EB14, 1); | |
641 | ||
642 | regs[R_EB20] = 0xcc; | |
643 | tda18271_write_regs(fe, R_EB20, 1); | |
644 | ||
255b5113 | 645 | /* set cal mode to RF tracking filter calibration */ |
26501a70 | 646 | regs[R_EP4] |= 0x03; |
5bea1cd3 | 647 | |
255b5113 | 648 | /* calculate cal pll */ |
5bea1cd3 MK |
649 | |
650 | switch (priv->mode) { | |
651 | case TDA18271_ANALOG: | |
652 | N = freq - 1250000; | |
653 | break; | |
654 | case TDA18271_DIGITAL: | |
655 | N = freq + bw / 2; | |
656 | break; | |
657 | } | |
658 | ||
fe0bf6d7 | 659 | tda18271_calc_cal_pll(fe, N); |
5bea1cd3 | 660 | |
255b5113 | 661 | /* calculate main pll */ |
5bea1cd3 MK |
662 | |
663 | switch (priv->mode) { | |
664 | case TDA18271_ANALOG: | |
665 | N = freq - 250000; | |
666 | break; | |
667 | case TDA18271_DIGITAL: | |
668 | N = freq + bw / 2 + 1000000; | |
669 | break; | |
670 | } | |
671 | ||
fe0bf6d7 | 672 | tda18271_calc_main_pll(fe, N); |
5bea1cd3 MK |
673 | |
674 | tda18271_write_regs(fe, R_EP3, 11); | |
675 | msleep(5); /* RF tracking filter calibration initialization */ | |
676 | ||
255b5113 | 677 | /* search for K,M,CO for RF calibration */ |
b92bf0f6 | 678 | tda18271_calc_km(fe, &freq); |
5bea1cd3 MK |
679 | tda18271_write_regs(fe, R_EB13, 1); |
680 | ||
255b5113 | 681 | /* search for rf band */ |
b92bf0f6 | 682 | tda18271_calc_rf_band(fe, &freq); |
5bea1cd3 | 683 | |
255b5113 | 684 | /* search for gain taper */ |
b92bf0f6 | 685 | tda18271_calc_gain_taper(fe, &freq); |
5bea1cd3 MK |
686 | |
687 | tda18271_write_regs(fe, R_EP2, 1); | |
688 | tda18271_write_regs(fe, R_EP1, 1); | |
689 | tda18271_write_regs(fe, R_EP2, 1); | |
690 | tda18271_write_regs(fe, R_EP1, 1); | |
691 | ||
692 | regs[R_EB4] &= 0x07; | |
693 | regs[R_EB4] |= 0x40; | |
694 | tda18271_write_regs(fe, R_EB4, 1); | |
695 | ||
696 | regs[R_EB7] = 0x40; | |
697 | tda18271_write_regs(fe, R_EB7, 1); | |
4d2d42bc | 698 | msleep(10); /* pll locking */ |
5bea1cd3 MK |
699 | |
700 | regs[R_EB20] = 0xec; | |
701 | tda18271_write_regs(fe, R_EB20, 1); | |
702 | msleep(60); /* RF tracking filter calibration completion */ | |
703 | ||
704 | regs[R_EP4] &= ~0x03; /* set cal mode to normal */ | |
705 | tda18271_write_regs(fe, R_EP4, 1); | |
706 | ||
707 | tda18271_write_regs(fe, R_EP1, 1); | |
708 | ||
b92bf0f6 MK |
709 | /* RF tracking filter correction for VHF_Low band */ |
710 | if (0 == tda18271_calc_rf_cal(fe, &freq)) | |
5bea1cd3 | 711 | tda18271_write_regs(fe, R_EB14, 1); |
5bea1cd3 | 712 | |
4d2d42bc MK |
713 | return 0; |
714 | } | |
715 | ||
d1c53424 MK |
716 | /* ------------------------------------------------------------------ */ |
717 | ||
12afe378 MK |
718 | static int tda18271_ir_cal_init(struct dvb_frontend *fe) |
719 | { | |
720 | struct tda18271_priv *priv = fe->tuner_priv; | |
721 | unsigned char *regs = priv->tda18271_regs; | |
722 | ||
723 | tda18271_read_regs(fe); | |
724 | ||
725 | /* test IR_CAL_OK to see if we need init */ | |
726 | if ((regs[R_EP1] & 0x08) == 0) | |
727 | tda18271_init_regs(fe); | |
728 | ||
729 | return 0; | |
730 | } | |
731 | ||
732 | static int tda18271_init(struct dvb_frontend *fe) | |
733 | { | |
734 | struct tda18271_priv *priv = fe->tuner_priv; | |
735 | ||
736 | mutex_lock(&priv->lock); | |
737 | ||
738 | /* power up */ | |
739 | tda18271_set_standby_mode(fe, 0, 0, 0); | |
740 | ||
741 | /* initialization */ | |
742 | tda18271_ir_cal_init(fe); | |
743 | ||
744 | if (priv->id == TDA18271HDC2) | |
745 | tda18271c2_rf_cal_init(fe); | |
746 | ||
747 | mutex_unlock(&priv->lock); | |
748 | ||
749 | return 0; | |
750 | } | |
751 | ||
d1c53424 | 752 | static int tda18271_tune(struct dvb_frontend *fe, |
c293d0a7 | 753 | struct tda18271_std_map_item *map, u32 freq, u32 bw) |
4d2d42bc MK |
754 | { |
755 | struct tda18271_priv *priv = fe->tuner_priv; | |
756 | ||
7f7203df MK |
757 | tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n", |
758 | freq, map->if_freq, bw, map->agc_mode, map->std); | |
d1c53424 | 759 | |
4d2d42bc MK |
760 | tda18271_init(fe); |
761 | ||
762 | mutex_lock(&priv->lock); | |
763 | ||
ccbac9bb MK |
764 | switch (priv->id) { |
765 | case TDA18271HDC1: | |
d1c53424 | 766 | tda18271c1_rf_tracking_filter_calibration(fe, freq, bw); |
ccbac9bb MK |
767 | break; |
768 | case TDA18271HDC2: | |
d1c53424 | 769 | tda18271c2_rf_tracking_filters_correction(fe, freq); |
ccbac9bb MK |
770 | break; |
771 | } | |
c293d0a7 | 772 | tda18271_channel_configuration(fe, map, freq, bw); |
d1c53424 MK |
773 | |
774 | mutex_unlock(&priv->lock); | |
775 | ||
776 | return 0; | |
ccbac9bb MK |
777 | } |
778 | ||
5bea1cd3 MK |
779 | /* ------------------------------------------------------------------ */ |
780 | ||
781 | static int tda18271_set_params(struct dvb_frontend *fe, | |
782 | struct dvb_frontend_parameters *params) | |
783 | { | |
784 | struct tda18271_priv *priv = fe->tuner_priv; | |
f21e0d7f | 785 | struct tda18271_std_map *std_map = &priv->std; |
c293d0a7 | 786 | struct tda18271_std_map_item *map; |
ccbac9bb | 787 | int ret; |
2ba65d51 | 788 | u32 bw, freq = params->frequency; |
5bea1cd3 MK |
789 | |
790 | priv->mode = TDA18271_DIGITAL; | |
791 | ||
5bea1cd3 MK |
792 | if (fe->ops.info.type == FE_ATSC) { |
793 | switch (params->u.vsb.modulation) { | |
794 | case VSB_8: | |
795 | case VSB_16: | |
c293d0a7 | 796 | map = &std_map->atsc_6; |
5bea1cd3 MK |
797 | break; |
798 | case QAM_64: | |
799 | case QAM_256: | |
c293d0a7 | 800 | map = &std_map->qam_6; |
5bea1cd3 MK |
801 | break; |
802 | default: | |
182519f4 | 803 | tda_warn("modulation not set!\n"); |
5bea1cd3 MK |
804 | return -EINVAL; |
805 | } | |
14e3c152 MK |
806 | #if 0 |
807 | /* userspace request is already center adjusted */ | |
5bea1cd3 | 808 | freq += 1750000; /* Adjust to center (+1.75MHZ) */ |
14e3c152 | 809 | #endif |
5bea1cd3 MK |
810 | bw = 6000000; |
811 | } else if (fe->ops.info.type == FE_OFDM) { | |
812 | switch (params->u.ofdm.bandwidth) { | |
813 | case BANDWIDTH_6_MHZ: | |
5bea1cd3 | 814 | bw = 6000000; |
c293d0a7 | 815 | map = &std_map->dvbt_6; |
5bea1cd3 MK |
816 | break; |
817 | case BANDWIDTH_7_MHZ: | |
5bea1cd3 | 818 | bw = 7000000; |
c293d0a7 | 819 | map = &std_map->dvbt_7; |
5bea1cd3 MK |
820 | break; |
821 | case BANDWIDTH_8_MHZ: | |
5bea1cd3 | 822 | bw = 8000000; |
c293d0a7 | 823 | map = &std_map->dvbt_8; |
5bea1cd3 MK |
824 | break; |
825 | default: | |
182519f4 | 826 | tda_warn("bandwidth not set!\n"); |
5bea1cd3 MK |
827 | return -EINVAL; |
828 | } | |
829 | } else { | |
182519f4 | 830 | tda_warn("modulation type not supported!\n"); |
5bea1cd3 MK |
831 | return -EINVAL; |
832 | } | |
833 | ||
ed73683f MK |
834 | /* When tuning digital, the analog demod must be tri-stated */ |
835 | if (fe->ops.analog_ops.standby) | |
836 | fe->ops.analog_ops.standby(fe); | |
837 | ||
c293d0a7 | 838 | ret = tda18271_tune(fe, map, freq, bw); |
ccbac9bb MK |
839 | |
840 | if (ret < 0) | |
841 | goto fail; | |
842 | ||
843 | priv->frequency = freq; | |
844 | priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? | |
845 | params->u.ofdm.bandwidth : 0; | |
846 | fail: | |
847 | return ret; | |
5bea1cd3 MK |
848 | } |
849 | ||
850 | static int tda18271_set_analog_params(struct dvb_frontend *fe, | |
851 | struct analog_parameters *params) | |
852 | { | |
853 | struct tda18271_priv *priv = fe->tuner_priv; | |
f21e0d7f | 854 | struct tda18271_std_map *std_map = &priv->std; |
c293d0a7 | 855 | struct tda18271_std_map_item *map; |
5bea1cd3 | 856 | char *mode; |
c293d0a7 | 857 | int ret; |
2ba65d51 | 858 | u32 freq = params->frequency * 62500; |
5bea1cd3 MK |
859 | |
860 | priv->mode = TDA18271_ANALOG; | |
861 | ||
c353f42f | 862 | if (params->mode == V4L2_TUNER_RADIO) { |
c353f42f | 863 | freq = freq / 1000; |
c293d0a7 | 864 | map = &std_map->fm_radio; |
c353f42f MK |
865 | mode = "fm"; |
866 | } else if (params->std & V4L2_STD_MN) { | |
c293d0a7 | 867 | map = &std_map->atv_mn; |
5bea1cd3 MK |
868 | mode = "MN"; |
869 | } else if (params->std & V4L2_STD_B) { | |
c293d0a7 | 870 | map = &std_map->atv_b; |
5bea1cd3 MK |
871 | mode = "B"; |
872 | } else if (params->std & V4L2_STD_GH) { | |
c293d0a7 | 873 | map = &std_map->atv_gh; |
5bea1cd3 MK |
874 | mode = "GH"; |
875 | } else if (params->std & V4L2_STD_PAL_I) { | |
c293d0a7 | 876 | map = &std_map->atv_i; |
5bea1cd3 MK |
877 | mode = "I"; |
878 | } else if (params->std & V4L2_STD_DK) { | |
c293d0a7 | 879 | map = &std_map->atv_dk; |
5bea1cd3 MK |
880 | mode = "DK"; |
881 | } else if (params->std & V4L2_STD_SECAM_L) { | |
c293d0a7 | 882 | map = &std_map->atv_l; |
5bea1cd3 MK |
883 | mode = "L"; |
884 | } else if (params->std & V4L2_STD_SECAM_LC) { | |
c293d0a7 | 885 | map = &std_map->atv_lc; |
95af8a26 | 886 | mode = "L'"; |
5bea1cd3 | 887 | } else { |
c293d0a7 | 888 | map = &std_map->atv_i; |
5bea1cd3 MK |
889 | mode = "xx"; |
890 | } | |
891 | ||
182519f4 | 892 | tda_dbg("setting tda18271 to system %s\n", mode); |
5bea1cd3 | 893 | |
c293d0a7 | 894 | ret = tda18271_tune(fe, map, freq, 0); |
ccbac9bb MK |
895 | |
896 | if (ret < 0) | |
897 | goto fail; | |
898 | ||
899 | priv->frequency = freq; | |
900 | priv->bandwidth = 0; | |
901 | fail: | |
902 | return ret; | |
5bea1cd3 MK |
903 | } |
904 | ||
518d8739 MK |
905 | static int tda18271_sleep(struct dvb_frontend *fe) |
906 | { | |
907 | struct tda18271_priv *priv = fe->tuner_priv; | |
908 | ||
909 | mutex_lock(&priv->lock); | |
910 | ||
911 | /* standby mode w/ slave tuner output | |
912 | * & loop thru & xtal oscillator on */ | |
913 | tda18271_set_standby_mode(fe, 1, 0, 0); | |
914 | ||
915 | mutex_unlock(&priv->lock); | |
916 | ||
917 | return 0; | |
918 | } | |
919 | ||
5bea1cd3 MK |
920 | static int tda18271_release(struct dvb_frontend *fe) |
921 | { | |
a4f263b5 MK |
922 | struct tda18271_priv *priv = fe->tuner_priv; |
923 | ||
924 | mutex_lock(&tda18271_list_mutex); | |
925 | ||
f9e315a1 MK |
926 | if (priv) |
927 | hybrid_tuner_release_state(priv); | |
a4f263b5 | 928 | |
a4f263b5 MK |
929 | mutex_unlock(&tda18271_list_mutex); |
930 | ||
5bea1cd3 | 931 | fe->tuner_priv = NULL; |
a4f263b5 | 932 | |
5bea1cd3 MK |
933 | return 0; |
934 | } | |
935 | ||
936 | static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
937 | { | |
938 | struct tda18271_priv *priv = fe->tuner_priv; | |
939 | *frequency = priv->frequency; | |
940 | return 0; | |
941 | } | |
942 | ||
943 | static int tda18271_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
944 | { | |
945 | struct tda18271_priv *priv = fe->tuner_priv; | |
946 | *bandwidth = priv->bandwidth; | |
947 | return 0; | |
948 | } | |
949 | ||
f21e0d7f MK |
950 | /* ------------------------------------------------------------------ */ |
951 | ||
952 | #define tda18271_update_std(std_cfg, name) do { \ | |
7f7203df MK |
953 | if (map->std_cfg.if_freq + \ |
954 | map->std_cfg.agc_mode + map->std_cfg.std > 0) { \ | |
f21e0d7f MK |
955 | tda_dbg("Using custom std config for %s\n", name); \ |
956 | memcpy(&std->std_cfg, &map->std_cfg, \ | |
957 | sizeof(struct tda18271_std_map_item)); \ | |
958 | } } while (0) | |
959 | ||
960 | #define tda18271_dump_std_item(std_cfg, name) do { \ | |
7f7203df MK |
961 | tda_dbg("(%s) if freq = %d, agc_mode = %d, std = %d\n", \ |
962 | name, std->std_cfg.if_freq, \ | |
963 | std->std_cfg.agc_mode, std->std_cfg.std); \ | |
f21e0d7f MK |
964 | } while (0) |
965 | ||
966 | static int tda18271_dump_std_map(struct dvb_frontend *fe) | |
967 | { | |
968 | struct tda18271_priv *priv = fe->tuner_priv; | |
969 | struct tda18271_std_map *std = &priv->std; | |
970 | ||
971 | tda_dbg("========== STANDARD MAP SETTINGS ==========\n"); | |
c353f42f | 972 | tda18271_dump_std_item(fm_radio, "fm"); |
f21e0d7f MK |
973 | tda18271_dump_std_item(atv_b, "pal b"); |
974 | tda18271_dump_std_item(atv_dk, "pal dk"); | |
975 | tda18271_dump_std_item(atv_gh, "pal gh"); | |
976 | tda18271_dump_std_item(atv_i, "pal i"); | |
977 | tda18271_dump_std_item(atv_l, "pal l"); | |
978 | tda18271_dump_std_item(atv_lc, "pal l'"); | |
979 | tda18271_dump_std_item(atv_mn, "atv mn"); | |
980 | tda18271_dump_std_item(atsc_6, "atsc 6"); | |
981 | tda18271_dump_std_item(dvbt_6, "dvbt 6"); | |
982 | tda18271_dump_std_item(dvbt_7, "dvbt 7"); | |
983 | tda18271_dump_std_item(dvbt_8, "dvbt 8"); | |
984 | tda18271_dump_std_item(qam_6, "qam 6"); | |
985 | tda18271_dump_std_item(qam_8, "qam 8"); | |
986 | ||
987 | return 0; | |
988 | } | |
989 | ||
990 | static int tda18271_update_std_map(struct dvb_frontend *fe, | |
991 | struct tda18271_std_map *map) | |
992 | { | |
993 | struct tda18271_priv *priv = fe->tuner_priv; | |
994 | struct tda18271_std_map *std = &priv->std; | |
995 | ||
996 | if (!map) | |
997 | return -EINVAL; | |
998 | ||
c353f42f | 999 | tda18271_update_std(fm_radio, "fm"); |
f21e0d7f MK |
1000 | tda18271_update_std(atv_b, "atv b"); |
1001 | tda18271_update_std(atv_dk, "atv dk"); | |
1002 | tda18271_update_std(atv_gh, "atv gh"); | |
1003 | tda18271_update_std(atv_i, "atv i"); | |
1004 | tda18271_update_std(atv_l, "atv l"); | |
1005 | tda18271_update_std(atv_lc, "atv l'"); | |
1006 | tda18271_update_std(atv_mn, "atv mn"); | |
1007 | tda18271_update_std(atsc_6, "atsc 6"); | |
1008 | tda18271_update_std(dvbt_6, "dvbt 6"); | |
1009 | tda18271_update_std(dvbt_7, "dvbt 7"); | |
1010 | tda18271_update_std(dvbt_8, "dvbt 8"); | |
1011 | tda18271_update_std(qam_6, "qam 6"); | |
1012 | tda18271_update_std(qam_8, "qam 8"); | |
1013 | ||
1014 | return 0; | |
1015 | } | |
1016 | ||
49e7aaf0 MK |
1017 | static int tda18271_get_id(struct dvb_frontend *fe) |
1018 | { | |
1019 | struct tda18271_priv *priv = fe->tuner_priv; | |
1020 | unsigned char *regs = priv->tda18271_regs; | |
1021 | char *name; | |
1022 | int ret = 0; | |
1023 | ||
8d316bf5 | 1024 | mutex_lock(&priv->lock); |
49e7aaf0 | 1025 | tda18271_read_regs(fe); |
8d316bf5 | 1026 | mutex_unlock(&priv->lock); |
49e7aaf0 MK |
1027 | |
1028 | switch (regs[R_ID] & 0x7f) { | |
1029 | case 3: | |
1030 | name = "TDA18271HD/C1"; | |
255b5113 | 1031 | priv->id = TDA18271HDC1; |
49e7aaf0 MK |
1032 | break; |
1033 | case 4: | |
1034 | name = "TDA18271HD/C2"; | |
255b5113 | 1035 | priv->id = TDA18271HDC2; |
49e7aaf0 MK |
1036 | break; |
1037 | default: | |
1038 | name = "Unknown device"; | |
1039 | ret = -EINVAL; | |
1040 | break; | |
1041 | } | |
1042 | ||
182519f4 | 1043 | tda_info("%s detected @ %d-%04x%s\n", name, |
f9e315a1 MK |
1044 | i2c_adapter_id(priv->i2c_props.adap), |
1045 | priv->i2c_props.addr, | |
49e7aaf0 MK |
1046 | (0 == ret) ? "" : ", device not supported."); |
1047 | ||
1048 | return ret; | |
1049 | } | |
1050 | ||
5bea1cd3 MK |
1051 | static struct dvb_tuner_ops tda18271_tuner_ops = { |
1052 | .info = { | |
1053 | .name = "NXP TDA18271HD", | |
1054 | .frequency_min = 45000000, | |
1055 | .frequency_max = 864000000, | |
1056 | .frequency_step = 62500 | |
1057 | }, | |
efce8410 | 1058 | .init = tda18271_init, |
518d8739 | 1059 | .sleep = tda18271_sleep, |
5bea1cd3 MK |
1060 | .set_params = tda18271_set_params, |
1061 | .set_analog_params = tda18271_set_analog_params, | |
1062 | .release = tda18271_release, | |
1063 | .get_frequency = tda18271_get_frequency, | |
1064 | .get_bandwidth = tda18271_get_bandwidth, | |
1065 | }; | |
1066 | ||
1067 | struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, | |
e435f95c | 1068 | struct i2c_adapter *i2c, |
f21e0d7f | 1069 | struct tda18271_config *cfg) |
5bea1cd3 MK |
1070 | { |
1071 | struct tda18271_priv *priv = NULL; | |
f9e315a1 | 1072 | int instance; |
a4f263b5 MK |
1073 | |
1074 | mutex_lock(&tda18271_list_mutex); | |
1075 | ||
f9e315a1 MK |
1076 | instance = hybrid_tuner_request_state(struct tda18271_priv, priv, |
1077 | hybrid_tuner_instance_list, | |
1078 | i2c, addr, "tda18271"); | |
1079 | switch (instance) { | |
1080 | case 0: | |
1081 | goto fail; | |
1082 | break; | |
1083 | case 1: | |
1084 | /* new tuner instance */ | |
a4f263b5 | 1085 | priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO; |
868f5ccd | 1086 | priv->role = (cfg) ? cfg->role : TDA18271_MASTER; |
a4f263b5 MK |
1087 | priv->cal_initialized = false; |
1088 | mutex_init(&priv->lock); | |
5bea1cd3 | 1089 | |
a4f263b5 | 1090 | fe->tuner_priv = priv; |
5bea1cd3 | 1091 | |
5555309c MK |
1092 | if (cfg) |
1093 | priv->small_i2c = cfg->small_i2c; | |
1094 | ||
a4f263b5 MK |
1095 | if (tda18271_get_id(fe) < 0) |
1096 | goto fail; | |
49e7aaf0 | 1097 | |
a4f263b5 MK |
1098 | if (tda18271_assign_map_layout(fe) < 0) |
1099 | goto fail; | |
255b5113 | 1100 | |
a4f263b5 MK |
1101 | mutex_lock(&priv->lock); |
1102 | tda18271_init_regs(fe); | |
0f96251e MK |
1103 | |
1104 | if ((tda18271_cal_on_startup) && (priv->id == TDA18271HDC2)) | |
12afe378 | 1105 | tda18271c2_rf_cal_init(fe); |
0f96251e | 1106 | |
a4f263b5 | 1107 | mutex_unlock(&priv->lock); |
f9e315a1 MK |
1108 | break; |
1109 | default: | |
1110 | /* existing tuner instance */ | |
1111 | fe->tuner_priv = priv; | |
1112 | ||
1113 | /* allow dvb driver to override i2c gate setting */ | |
1114 | if ((cfg) && (cfg->gate != TDA18271_GATE_ANALOG)) | |
1115 | priv->gate = cfg->gate; | |
1116 | break; | |
a4f263b5 | 1117 | } |
5bea1cd3 | 1118 | |
f21e0d7f MK |
1119 | /* override default std map with values in config struct */ |
1120 | if ((cfg) && (cfg->std_map)) | |
1121 | tda18271_update_std_map(fe, cfg->std_map); | |
1122 | ||
a4f263b5 | 1123 | mutex_unlock(&tda18271_list_mutex); |
8d316bf5 | 1124 | |
a4f263b5 MK |
1125 | memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops, |
1126 | sizeof(struct dvb_tuner_ops)); | |
efce8410 | 1127 | |
a4f263b5 MK |
1128 | if (tda18271_debug & DBG_MAP) |
1129 | tda18271_dump_std_map(fe); | |
8d316bf5 | 1130 | |
5bea1cd3 | 1131 | return fe; |
49e7aaf0 | 1132 | fail: |
a4f263b5 MK |
1133 | mutex_unlock(&tda18271_list_mutex); |
1134 | ||
49e7aaf0 MK |
1135 | tda18271_release(fe); |
1136 | return NULL; | |
5bea1cd3 MK |
1137 | } |
1138 | EXPORT_SYMBOL_GPL(tda18271_attach); | |
1139 | MODULE_DESCRIPTION("NXP TDA18271HD analog / digital tuner driver"); | |
1140 | MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>"); | |
1141 | MODULE_LICENSE("GPL"); | |
5ec96b0c | 1142 | MODULE_VERSION("0.3"); |
5bea1cd3 MK |
1143 | |
1144 | /* | |
1145 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
1146 | * --------------------------------------------------------------------------- | |
1147 | * Local variables: | |
1148 | * c-basic-offset: 8 | |
1149 | * End: | |
1150 | */ |