Commit | Line | Data |
---|---|---|
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 | ||
44e645c2 MK |
48 | static inline void tda18271_set_if_notch(struct dvb_frontend *fe) |
49 | { | |
50 | struct tda18271_priv *priv = fe->tuner_priv; | |
51 | unsigned char *regs = priv->tda18271_regs; | |
52 | ||
53 | switch (priv->mode) { | |
54 | case TDA18271_ANALOG: | |
55 | regs[R_MPD] &= ~0x80; /* IF notch = 0 */ | |
56 | break; | |
57 | case TDA18271_DIGITAL: | |
58 | regs[R_MPD] |= 0x80; /* IF notch = 1 */ | |
59 | break; | |
60 | } | |
61 | } | |
62 | ||
255b5113 | 63 | static int tda18271_channel_configuration(struct dvb_frontend *fe, |
c293d0a7 MK |
64 | struct tda18271_std_map_item *map, |
65 | u32 freq, u32 bw) | |
255b5113 MK |
66 | { |
67 | struct tda18271_priv *priv = fe->tuner_priv; | |
68 | unsigned char *regs = priv->tda18271_regs; | |
31940e39 | 69 | int ret; |
255b5113 MK |
70 | u32 N; |
71 | ||
72 | /* update TV broadcast parameters */ | |
73 | ||
74 | /* set standard */ | |
75 | regs[R_EP3] &= ~0x1f; /* clear std bits */ | |
7f7203df | 76 | regs[R_EP3] |= (map->agc_mode << 3) | map->std; |
255b5113 | 77 | |
51858d13 MK |
78 | if (priv->id == TDA18271HDC2) { |
79 | /* set rfagc to high speed mode */ | |
80 | regs[R_EP3] &= ~0x04; | |
81 | } | |
40194b2b | 82 | |
255b5113 MK |
83 | /* set cal mode to normal */ |
84 | regs[R_EP4] &= ~0x03; | |
85 | ||
44e645c2 | 86 | /* update IF output level */ |
255b5113 | 87 | regs[R_EP4] &= ~0x1c; /* clear if level bits */ |
14c74b23 | 88 | regs[R_EP4] |= (map->if_lvl << 2); |
255b5113 | 89 | |
c293d0a7 MK |
90 | /* update FM_RFn */ |
91 | regs[R_EP4] &= ~0x80; | |
92 | regs[R_EP4] |= map->fm_rfn << 7; | |
255b5113 | 93 | |
c0dc0c11 MK |
94 | /* update rf top / if top */ |
95 | regs[R_EB22] = 0x00; | |
96 | regs[R_EB22] |= map->rfagc_top; | |
31940e39 | 97 | ret = tda18271_write_regs(fe, R_EB22, 1); |
4bd5d107 | 98 | if (tda_fail(ret)) |
31940e39 | 99 | goto fail; |
255b5113 MK |
100 | |
101 | /* --------------------------------------------------------------- */ | |
102 | ||
103 | /* disable Power Level Indicator */ | |
104 | regs[R_EP1] |= 0x40; | |
105 | ||
106 | /* frequency dependent parameters */ | |
107 | ||
108 | tda18271_calc_ir_measure(fe, &freq); | |
109 | ||
110 | tda18271_calc_bp_filter(fe, &freq); | |
111 | ||
112 | tda18271_calc_rf_band(fe, &freq); | |
113 | ||
114 | tda18271_calc_gain_taper(fe, &freq); | |
115 | ||
116 | /* --------------------------------------------------------------- */ | |
117 | ||
118 | /* dual tuner and agc1 extra configuration */ | |
119 | ||
868f5ccd MK |
120 | switch (priv->role) { |
121 | case TDA18271_MASTER: | |
122 | regs[R_EB1] |= 0x04; /* main vco */ | |
123 | break; | |
124 | case TDA18271_SLAVE: | |
125 | regs[R_EB1] &= ~0x04; /* cal vco */ | |
126 | break; | |
127 | } | |
255b5113 MK |
128 | |
129 | /* agc1 always active */ | |
130 | regs[R_EB1] &= ~0x02; | |
131 | ||
132 | /* agc1 has priority on agc2 */ | |
133 | regs[R_EB1] &= ~0x01; | |
134 | ||
31940e39 | 135 | ret = tda18271_write_regs(fe, R_EB1, 1); |
4bd5d107 | 136 | if (tda_fail(ret)) |
31940e39 | 137 | goto fail; |
255b5113 MK |
138 | |
139 | /* --------------------------------------------------------------- */ | |
140 | ||
c293d0a7 | 141 | N = map->if_freq * 1000 + freq; |
255b5113 | 142 | |
868f5ccd MK |
143 | switch (priv->role) { |
144 | case TDA18271_MASTER: | |
145 | tda18271_calc_main_pll(fe, N); | |
44e645c2 | 146 | tda18271_set_if_notch(fe); |
868f5ccd MK |
147 | tda18271_write_regs(fe, R_MPD, 4); |
148 | break; | |
149 | case TDA18271_SLAVE: | |
150 | tda18271_calc_cal_pll(fe, N); | |
151 | tda18271_write_regs(fe, R_CPD, 4); | |
152 | ||
153 | regs[R_MPD] = regs[R_CPD] & 0x7f; | |
44e645c2 | 154 | tda18271_set_if_notch(fe); |
868f5ccd MK |
155 | tda18271_write_regs(fe, R_MPD, 1); |
156 | break; | |
157 | } | |
255b5113 | 158 | |
31940e39 | 159 | ret = tda18271_write_regs(fe, R_TM, 7); |
4bd5d107 | 160 | if (tda_fail(ret)) |
31940e39 | 161 | goto fail; |
255b5113 | 162 | |
868f5ccd MK |
163 | /* force charge pump source */ |
164 | charge_pump_source(fe, 1); | |
255b5113 MK |
165 | |
166 | msleep(1); | |
167 | ||
868f5ccd MK |
168 | /* return pll to normal operation */ |
169 | charge_pump_source(fe, 0); | |
255b5113 | 170 | |
40194b2b MK |
171 | msleep(20); |
172 | ||
51858d13 MK |
173 | if (priv->id == TDA18271HDC2) { |
174 | /* set rfagc to normal speed mode */ | |
175 | if (map->fm_rfn) | |
176 | regs[R_EP3] &= ~0x04; | |
177 | else | |
178 | regs[R_EP3] |= 0x04; | |
179 | ret = tda18271_write_regs(fe, R_EP3, 1); | |
180 | } | |
31940e39 MK |
181 | fail: |
182 | return ret; | |
255b5113 MK |
183 | } |
184 | ||
185 | static int tda18271_read_thermometer(struct dvb_frontend *fe) | |
186 | { | |
187 | struct tda18271_priv *priv = fe->tuner_priv; | |
188 | unsigned char *regs = priv->tda18271_regs; | |
189 | int tm; | |
190 | ||
191 | /* switch thermometer on */ | |
192 | regs[R_TM] |= 0x10; | |
193 | tda18271_write_regs(fe, R_TM, 1); | |
194 | ||
195 | /* read thermometer info */ | |
196 | tda18271_read_regs(fe); | |
197 | ||
198 | if ((((regs[R_TM] & 0x0f) == 0x00) && ((regs[R_TM] & 0x20) == 0x20)) || | |
199 | (((regs[R_TM] & 0x0f) == 0x08) && ((regs[R_TM] & 0x20) == 0x00))) { | |
200 | ||
201 | if ((regs[R_TM] & 0x20) == 0x20) | |
202 | regs[R_TM] &= ~0x20; | |
203 | else | |
204 | regs[R_TM] |= 0x20; | |
205 | ||
206 | tda18271_write_regs(fe, R_TM, 1); | |
207 | ||
208 | msleep(10); /* temperature sensing */ | |
209 | ||
210 | /* read thermometer info */ | |
211 | tda18271_read_regs(fe); | |
212 | } | |
213 | ||
214 | tm = tda18271_lookup_thermometer(fe); | |
215 | ||
216 | /* switch thermometer off */ | |
217 | regs[R_TM] &= ~0x10; | |
218 | tda18271_write_regs(fe, R_TM, 1); | |
219 | ||
220 | /* set CAL mode to normal */ | |
221 | regs[R_EP4] &= ~0x03; | |
222 | tda18271_write_regs(fe, R_EP4, 1); | |
223 | ||
224 | return tm; | |
225 | } | |
226 | ||
12afe378 MK |
227 | /* ------------------------------------------------------------------ */ |
228 | ||
d1c53424 MK |
229 | static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe, |
230 | u32 freq) | |
255b5113 MK |
231 | { |
232 | struct tda18271_priv *priv = fe->tuner_priv; | |
233 | struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; | |
234 | unsigned char *regs = priv->tda18271_regs; | |
20f42063 | 235 | int tm_current, rfcal_comp, approx, i, ret; |
255b5113 MK |
236 | u8 dc_over_dt, rf_tab; |
237 | ||
238 | /* power up */ | |
20f42063 | 239 | ret = tda18271_set_standby_mode(fe, 0, 0, 0); |
4bd5d107 | 240 | if (tda_fail(ret)) |
20f42063 | 241 | goto fail; |
255b5113 MK |
242 | |
243 | /* read die current temperature */ | |
244 | tm_current = tda18271_read_thermometer(fe); | |
245 | ||
246 | /* frequency dependent parameters */ | |
247 | ||
248 | tda18271_calc_rf_cal(fe, &freq); | |
249 | rf_tab = regs[R_EB14]; | |
250 | ||
251 | i = tda18271_lookup_rf_band(fe, &freq, NULL); | |
4bd5d107 MK |
252 | if (tda_fail(i)) |
253 | return i; | |
255b5113 MK |
254 | |
255 | if ((0 == map[i].rf3) || (freq / 1000 < map[i].rf2)) { | |
256 | approx = map[i].rf_a1 * | |
257 | (freq / 1000 - map[i].rf1) + map[i].rf_b1 + rf_tab; | |
258 | } else { | |
259 | approx = map[i].rf_a2 * | |
260 | (freq / 1000 - map[i].rf2) + map[i].rf_b2 + rf_tab; | |
261 | } | |
262 | ||
263 | if (approx < 0) | |
264 | approx = 0; | |
265 | if (approx > 255) | |
266 | approx = 255; | |
267 | ||
268 | tda18271_lookup_map(fe, RF_CAL_DC_OVER_DT, &freq, &dc_over_dt); | |
269 | ||
270 | /* calculate temperature compensation */ | |
09f83c4f | 271 | rfcal_comp = dc_over_dt * (tm_current - priv->tm_rfcal); |
255b5113 MK |
272 | |
273 | regs[R_EB14] = approx + rfcal_comp; | |
20f42063 MK |
274 | ret = tda18271_write_regs(fe, R_EB14, 1); |
275 | fail: | |
276 | return ret; | |
255b5113 MK |
277 | } |
278 | ||
279 | static int tda18271_por(struct dvb_frontend *fe) | |
280 | { | |
281 | struct tda18271_priv *priv = fe->tuner_priv; | |
282 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 283 | int ret; |
255b5113 MK |
284 | |
285 | /* power up detector 1 */ | |
286 | regs[R_EB12] &= ~0x20; | |
24124f78 | 287 | ret = tda18271_write_regs(fe, R_EB12, 1); |
4bd5d107 | 288 | if (tda_fail(ret)) |
24124f78 | 289 | goto fail; |
255b5113 MK |
290 | |
291 | regs[R_EB18] &= ~0x80; /* turn agc1 loop on */ | |
292 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
24124f78 | 293 | ret = tda18271_write_regs(fe, R_EB18, 1); |
4bd5d107 | 294 | if (tda_fail(ret)) |
24124f78 | 295 | goto fail; |
255b5113 MK |
296 | |
297 | regs[R_EB21] |= 0x03; /* set agc2_gain to -6 dB */ | |
298 | ||
299 | /* POR mode */ | |
24124f78 | 300 | ret = tda18271_set_standby_mode(fe, 1, 0, 0); |
4bd5d107 | 301 | if (tda_fail(ret)) |
24124f78 | 302 | goto fail; |
255b5113 MK |
303 | |
304 | /* disable 1.5 MHz low pass filter */ | |
305 | regs[R_EB23] &= ~0x04; /* forcelp_fc2_en = 0 */ | |
306 | regs[R_EB23] &= ~0x02; /* XXX: lp_fc[2] = 0 */ | |
24124f78 MK |
307 | ret = tda18271_write_regs(fe, R_EB21, 3); |
308 | fail: | |
309 | return ret; | |
255b5113 MK |
310 | } |
311 | ||
312 | static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq) | |
313 | { | |
314 | struct tda18271_priv *priv = fe->tuner_priv; | |
315 | unsigned char *regs = priv->tda18271_regs; | |
316 | u32 N; | |
317 | ||
318 | /* set CAL mode to normal */ | |
319 | regs[R_EP4] &= ~0x03; | |
320 | tda18271_write_regs(fe, R_EP4, 1); | |
321 | ||
322 | /* switch off agc1 */ | |
323 | regs[R_EP3] |= 0x40; /* sm_lt = 1 */ | |
324 | ||
325 | regs[R_EB18] |= 0x03; /* set agc1_gain to 15 dB */ | |
326 | tda18271_write_regs(fe, R_EB18, 1); | |
327 | ||
328 | /* frequency dependent parameters */ | |
329 | ||
330 | tda18271_calc_bp_filter(fe, &freq); | |
331 | tda18271_calc_gain_taper(fe, &freq); | |
332 | tda18271_calc_rf_band(fe, &freq); | |
333 | tda18271_calc_km(fe, &freq); | |
334 | ||
335 | tda18271_write_regs(fe, R_EP1, 3); | |
336 | tda18271_write_regs(fe, R_EB13, 1); | |
337 | ||
338 | /* main pll charge pump source */ | |
4efb0ca5 | 339 | tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1); |
255b5113 MK |
340 | |
341 | /* cal pll charge pump source */ | |
4efb0ca5 | 342 | tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 1); |
255b5113 MK |
343 | |
344 | /* force dcdc converter to 0 V */ | |
345 | regs[R_EB14] = 0x00; | |
346 | tda18271_write_regs(fe, R_EB14, 1); | |
347 | ||
348 | /* disable plls lock */ | |
349 | regs[R_EB20] &= ~0x20; | |
350 | tda18271_write_regs(fe, R_EB20, 1); | |
351 | ||
352 | /* set CAL mode to RF tracking filter calibration */ | |
353 | regs[R_EP4] |= 0x03; | |
354 | tda18271_write_regs(fe, R_EP4, 2); | |
355 | ||
356 | /* --------------------------------------------------------------- */ | |
357 | ||
358 | /* set the internal calibration signal */ | |
359 | N = freq; | |
360 | ||
ae07d042 MK |
361 | tda18271_calc_cal_pll(fe, N); |
362 | tda18271_write_regs(fe, R_CPD, 4); | |
255b5113 MK |
363 | |
364 | /* downconvert internal calibration */ | |
365 | N += 1000000; | |
366 | ||
367 | tda18271_calc_main_pll(fe, N); | |
368 | tda18271_write_regs(fe, R_MPD, 4); | |
369 | ||
370 | msleep(5); | |
371 | ||
372 | tda18271_write_regs(fe, R_EP2, 1); | |
373 | tda18271_write_regs(fe, R_EP1, 1); | |
374 | tda18271_write_regs(fe, R_EP2, 1); | |
375 | tda18271_write_regs(fe, R_EP1, 1); | |
376 | ||
377 | /* --------------------------------------------------------------- */ | |
378 | ||
379 | /* normal operation for the main pll */ | |
4efb0ca5 | 380 | tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0); |
255b5113 MK |
381 | |
382 | /* normal operation for the cal pll */ | |
4efb0ca5 | 383 | tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 0); |
255b5113 | 384 | |
ae07d042 | 385 | msleep(10); /* plls locking */ |
255b5113 MK |
386 | |
387 | /* launch the rf tracking filters calibration */ | |
388 | regs[R_EB20] |= 0x20; | |
389 | tda18271_write_regs(fe, R_EB20, 1); | |
390 | ||
391 | msleep(60); /* calibration */ | |
392 | ||
393 | /* --------------------------------------------------------------- */ | |
394 | ||
395 | /* set CAL mode to normal */ | |
396 | regs[R_EP4] &= ~0x03; | |
397 | ||
398 | /* switch on agc1 */ | |
399 | regs[R_EP3] &= ~0x40; /* sm_lt = 0 */ | |
400 | ||
401 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
402 | tda18271_write_regs(fe, R_EB18, 1); | |
403 | ||
404 | tda18271_write_regs(fe, R_EP3, 2); | |
405 | ||
406 | /* synchronization */ | |
407 | tda18271_write_regs(fe, R_EP1, 1); | |
408 | ||
409 | /* get calibration result */ | |
410 | tda18271_read_extended(fe); | |
411 | ||
412 | return regs[R_EB14]; | |
413 | } | |
414 | ||
415 | static int tda18271_powerscan(struct dvb_frontend *fe, | |
416 | u32 *freq_in, u32 *freq_out) | |
417 | { | |
418 | struct tda18271_priv *priv = fe->tuner_priv; | |
419 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 420 | int sgn, bcal, count, wait, ret; |
255b5113 MK |
421 | u8 cid_target; |
422 | u16 count_limit; | |
423 | u32 freq; | |
424 | ||
425 | freq = *freq_in; | |
426 | ||
427 | tda18271_calc_rf_band(fe, &freq); | |
428 | tda18271_calc_rf_cal(fe, &freq); | |
429 | tda18271_calc_gain_taper(fe, &freq); | |
430 | tda18271_lookup_cid_target(fe, &freq, &cid_target, &count_limit); | |
431 | ||
432 | tda18271_write_regs(fe, R_EP2, 1); | |
433 | tda18271_write_regs(fe, R_EB14, 1); | |
434 | ||
435 | /* downconvert frequency */ | |
436 | freq += 1000000; | |
437 | ||
438 | tda18271_calc_main_pll(fe, freq); | |
439 | tda18271_write_regs(fe, R_MPD, 4); | |
440 | ||
441 | msleep(5); /* pll locking */ | |
442 | ||
443 | /* detection mode */ | |
444 | regs[R_EP4] &= ~0x03; | |
445 | regs[R_EP4] |= 0x01; | |
446 | tda18271_write_regs(fe, R_EP4, 1); | |
447 | ||
448 | /* launch power detection measurement */ | |
449 | tda18271_write_regs(fe, R_EP2, 1); | |
450 | ||
451 | /* read power detection info, stored in EB10 */ | |
24124f78 | 452 | ret = tda18271_read_extended(fe); |
4bd5d107 | 453 | if (tda_fail(ret)) |
24124f78 | 454 | return ret; |
255b5113 MK |
455 | |
456 | /* algorithm initialization */ | |
457 | sgn = 1; | |
458 | *freq_out = *freq_in; | |
459 | bcal = 0; | |
460 | count = 0; | |
461 | wait = false; | |
462 | ||
463 | while ((regs[R_EB10] & 0x3f) < cid_target) { | |
464 | /* downconvert updated freq to 1 MHz */ | |
465 | freq = *freq_in + (sgn * count) + 1000000; | |
466 | ||
467 | tda18271_calc_main_pll(fe, freq); | |
468 | tda18271_write_regs(fe, R_MPD, 4); | |
469 | ||
470 | if (wait) { | |
471 | msleep(5); /* pll locking */ | |
472 | wait = false; | |
473 | } else | |
474 | udelay(100); /* pll locking */ | |
475 | ||
476 | /* launch power detection measurement */ | |
477 | tda18271_write_regs(fe, R_EP2, 1); | |
478 | ||
479 | /* read power detection info, stored in EB10 */ | |
24124f78 | 480 | ret = tda18271_read_extended(fe); |
4bd5d107 | 481 | if (tda_fail(ret)) |
24124f78 | 482 | return ret; |
255b5113 MK |
483 | |
484 | count += 200; | |
485 | ||
e7809a07 | 486 | if (count <= count_limit) |
255b5113 MK |
487 | continue; |
488 | ||
489 | if (sgn <= 0) | |
490 | break; | |
491 | ||
492 | sgn = -1 * sgn; | |
493 | count = 200; | |
494 | wait = true; | |
495 | } | |
496 | ||
497 | if ((regs[R_EB10] & 0x3f) >= cid_target) { | |
498 | bcal = 1; | |
499 | *freq_out = freq - 1000000; | |
500 | } else | |
501 | bcal = 0; | |
502 | ||
cf04d29c | 503 | tda_cal("bcal = %d, freq_in = %d, freq_out = %d (freq = %d)\n", |
255b5113 MK |
504 | bcal, *freq_in, *freq_out, freq); |
505 | ||
506 | return bcal; | |
507 | } | |
508 | ||
509 | static int tda18271_powerscan_init(struct dvb_frontend *fe) | |
510 | { | |
511 | struct tda18271_priv *priv = fe->tuner_priv; | |
512 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 513 | int ret; |
255b5113 MK |
514 | |
515 | /* set standard to digital */ | |
516 | regs[R_EP3] &= ~0x1f; /* clear std bits */ | |
517 | regs[R_EP3] |= 0x12; | |
518 | ||
519 | /* set cal mode to normal */ | |
520 | regs[R_EP4] &= ~0x03; | |
521 | ||
44e645c2 | 522 | /* update IF output level */ |
255b5113 MK |
523 | regs[R_EP4] &= ~0x1c; /* clear if level bits */ |
524 | ||
24124f78 | 525 | ret = tda18271_write_regs(fe, R_EP3, 2); |
4bd5d107 | 526 | if (tda_fail(ret)) |
24124f78 | 527 | goto fail; |
255b5113 MK |
528 | |
529 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
24124f78 | 530 | ret = tda18271_write_regs(fe, R_EB18, 1); |
4bd5d107 | 531 | if (tda_fail(ret)) |
24124f78 | 532 | goto fail; |
255b5113 MK |
533 | |
534 | regs[R_EB21] &= ~0x03; /* set agc2_gain to -15 dB */ | |
535 | ||
536 | /* 1.5 MHz low pass filter */ | |
537 | regs[R_EB23] |= 0x04; /* forcelp_fc2_en = 1 */ | |
538 | regs[R_EB23] |= 0x02; /* lp_fc[2] = 1 */ | |
539 | ||
24124f78 MK |
540 | ret = tda18271_write_regs(fe, R_EB21, 3); |
541 | fail: | |
542 | return ret; | |
255b5113 MK |
543 | } |
544 | ||
545 | static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq) | |
546 | { | |
547 | struct tda18271_priv *priv = fe->tuner_priv; | |
548 | struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; | |
549 | unsigned char *regs = priv->tda18271_regs; | |
550 | int bcal, rf, i; | |
551 | #define RF1 0 | |
552 | #define RF2 1 | |
553 | #define RF3 2 | |
554 | u32 rf_default[3]; | |
555 | u32 rf_freq[3]; | |
556 | u8 prog_cal[3]; | |
557 | u8 prog_tab[3]; | |
558 | ||
559 | i = tda18271_lookup_rf_band(fe, &freq, NULL); | |
560 | ||
4bd5d107 | 561 | if (tda_fail(i)) |
255b5113 MK |
562 | return i; |
563 | ||
564 | rf_default[RF1] = 1000 * map[i].rf1_def; | |
565 | rf_default[RF2] = 1000 * map[i].rf2_def; | |
566 | rf_default[RF3] = 1000 * map[i].rf3_def; | |
567 | ||
568 | for (rf = RF1; rf <= RF3; rf++) { | |
569 | if (0 == rf_default[rf]) | |
570 | return 0; | |
cf04d29c | 571 | tda_cal("freq = %d, rf = %d\n", freq, rf); |
255b5113 MK |
572 | |
573 | /* look for optimized calibration frequency */ | |
574 | bcal = tda18271_powerscan(fe, &rf_default[rf], &rf_freq[rf]); | |
4bd5d107 | 575 | if (tda_fail(bcal)) |
24124f78 | 576 | return bcal; |
255b5113 MK |
577 | |
578 | tda18271_calc_rf_cal(fe, &rf_freq[rf]); | |
579 | prog_tab[rf] = regs[R_EB14]; | |
580 | ||
581 | if (1 == bcal) | |
582 | prog_cal[rf] = tda18271_calibrate_rf(fe, rf_freq[rf]); | |
583 | else | |
584 | prog_cal[rf] = prog_tab[rf]; | |
585 | ||
586 | switch (rf) { | |
587 | case RF1: | |
588 | map[i].rf_a1 = 0; | |
589 | map[i].rf_b1 = prog_cal[RF1] - prog_tab[RF1]; | |
590 | map[i].rf1 = rf_freq[RF1] / 1000; | |
591 | break; | |
592 | case RF2: | |
593 | map[i].rf_a1 = (prog_cal[RF2] - prog_tab[RF2] - | |
594 | prog_cal[RF1] + prog_tab[RF1]) / | |
595 | ((rf_freq[RF2] - rf_freq[RF1]) / 1000); | |
596 | map[i].rf2 = rf_freq[RF2] / 1000; | |
597 | break; | |
598 | case RF3: | |
599 | map[i].rf_a2 = (prog_cal[RF3] - prog_tab[RF3] - | |
600 | prog_cal[RF2] + prog_tab[RF2]) / | |
601 | ((rf_freq[RF3] - rf_freq[RF2]) / 1000); | |
602 | map[i].rf_b2 = prog_cal[RF2] - prog_tab[RF2]; | |
603 | map[i].rf3 = rf_freq[RF3] / 1000; | |
604 | break; | |
605 | default: | |
606 | BUG(); | |
607 | } | |
608 | } | |
609 | ||
610 | return 0; | |
611 | } | |
612 | ||
09f83c4f | 613 | static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe) |
255b5113 MK |
614 | { |
615 | struct tda18271_priv *priv = fe->tuner_priv; | |
616 | unsigned int i; | |
24124f78 | 617 | int ret; |
255b5113 MK |
618 | |
619 | tda_info("tda18271: performing RF tracking filter calibration\n"); | |
620 | ||
621 | /* wait for die temperature stabilization */ | |
622 | msleep(200); | |
623 | ||
24124f78 | 624 | ret = tda18271_powerscan_init(fe); |
4bd5d107 | 625 | if (tda_fail(ret)) |
24124f78 | 626 | goto fail; |
255b5113 MK |
627 | |
628 | /* rf band calibration */ | |
c151c32f MK |
629 | for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++) { |
630 | ret = | |
255b5113 MK |
631 | tda18271_rf_tracking_filters_init(fe, 1000 * |
632 | priv->rf_cal_state[i].rfmax); | |
4bd5d107 | 633 | if (tda_fail(ret)) |
c151c32f MK |
634 | goto fail; |
635 | } | |
255b5113 | 636 | |
09f83c4f | 637 | priv->tm_rfcal = tda18271_read_thermometer(fe); |
24124f78 MK |
638 | fail: |
639 | return ret; | |
255b5113 MK |
640 | } |
641 | ||
642 | /* ------------------------------------------------------------------ */ | |
643 | ||
12afe378 | 644 | static int tda18271c2_rf_cal_init(struct dvb_frontend *fe) |
255b5113 MK |
645 | { |
646 | struct tda18271_priv *priv = fe->tuner_priv; | |
839c6c96 | 647 | unsigned char *regs = priv->tda18271_regs; |
24124f78 | 648 | int ret; |
839c6c96 MK |
649 | |
650 | /* test RF_CAL_OK to see if we need init */ | |
651 | if ((regs[R_EP1] & 0x10) == 0) | |
652 | priv->cal_initialized = false; | |
255b5113 MK |
653 | |
654 | if (priv->cal_initialized) | |
655 | return 0; | |
656 | ||
24124f78 | 657 | ret = tda18271_calc_rf_filter_curve(fe); |
4bd5d107 | 658 | if (tda_fail(ret)) |
24124f78 | 659 | goto fail; |
255b5113 | 660 | |
24124f78 | 661 | ret = tda18271_por(fe); |
4bd5d107 | 662 | if (tda_fail(ret)) |
24124f78 | 663 | goto fail; |
255b5113 | 664 | |
6bfa6657 MK |
665 | tda_info("tda18271: RF tracking filter calibration complete\n"); |
666 | ||
255b5113 | 667 | priv->cal_initialized = true; |
c151c32f | 668 | goto end; |
24124f78 | 669 | fail: |
c151c32f MK |
670 | tda_info("tda18271: RF tracking filter calibration failed!\n"); |
671 | end: | |
24124f78 | 672 | return ret; |
255b5113 MK |
673 | } |
674 | ||
4d2d42bc MK |
675 | static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe, |
676 | u32 freq, u32 bw) | |
5bea1cd3 MK |
677 | { |
678 | struct tda18271_priv *priv = fe->tuner_priv; | |
679 | unsigned char *regs = priv->tda18271_regs; | |
10ed0bf4 | 680 | int ret; |
fe0bf6d7 | 681 | u32 N = 0; |
5bea1cd3 | 682 | |
255b5113 | 683 | /* calculate bp filter */ |
b92bf0f6 | 684 | tda18271_calc_bp_filter(fe, &freq); |
5bea1cd3 MK |
685 | tda18271_write_regs(fe, R_EP1, 1); |
686 | ||
687 | regs[R_EB4] &= 0x07; | |
688 | regs[R_EB4] |= 0x60; | |
689 | tda18271_write_regs(fe, R_EB4, 1); | |
690 | ||
691 | regs[R_EB7] = 0x60; | |
692 | tda18271_write_regs(fe, R_EB7, 1); | |
693 | ||
694 | regs[R_EB14] = 0x00; | |
695 | tda18271_write_regs(fe, R_EB14, 1); | |
696 | ||
697 | regs[R_EB20] = 0xcc; | |
698 | tda18271_write_regs(fe, R_EB20, 1); | |
699 | ||
255b5113 | 700 | /* set cal mode to RF tracking filter calibration */ |
26501a70 | 701 | regs[R_EP4] |= 0x03; |
5bea1cd3 | 702 | |
255b5113 | 703 | /* calculate cal pll */ |
5bea1cd3 MK |
704 | |
705 | switch (priv->mode) { | |
706 | case TDA18271_ANALOG: | |
707 | N = freq - 1250000; | |
708 | break; | |
709 | case TDA18271_DIGITAL: | |
710 | N = freq + bw / 2; | |
711 | break; | |
712 | } | |
713 | ||
fe0bf6d7 | 714 | tda18271_calc_cal_pll(fe, N); |
5bea1cd3 | 715 | |
255b5113 | 716 | /* calculate main pll */ |
5bea1cd3 MK |
717 | |
718 | switch (priv->mode) { | |
719 | case TDA18271_ANALOG: | |
720 | N = freq - 250000; | |
721 | break; | |
722 | case TDA18271_DIGITAL: | |
723 | N = freq + bw / 2 + 1000000; | |
724 | break; | |
725 | } | |
726 | ||
fe0bf6d7 | 727 | tda18271_calc_main_pll(fe, N); |
5bea1cd3 | 728 | |
10ed0bf4 | 729 | ret = tda18271_write_regs(fe, R_EP3, 11); |
4bd5d107 | 730 | if (tda_fail(ret)) |
10ed0bf4 MK |
731 | return ret; |
732 | ||
5bea1cd3 MK |
733 | msleep(5); /* RF tracking filter calibration initialization */ |
734 | ||
255b5113 | 735 | /* search for K,M,CO for RF calibration */ |
b92bf0f6 | 736 | tda18271_calc_km(fe, &freq); |
5bea1cd3 MK |
737 | tda18271_write_regs(fe, R_EB13, 1); |
738 | ||
255b5113 | 739 | /* search for rf band */ |
b92bf0f6 | 740 | tda18271_calc_rf_band(fe, &freq); |
5bea1cd3 | 741 | |
255b5113 | 742 | /* search for gain taper */ |
b92bf0f6 | 743 | tda18271_calc_gain_taper(fe, &freq); |
5bea1cd3 MK |
744 | |
745 | tda18271_write_regs(fe, R_EP2, 1); | |
746 | tda18271_write_regs(fe, R_EP1, 1); | |
747 | tda18271_write_regs(fe, R_EP2, 1); | |
748 | tda18271_write_regs(fe, R_EP1, 1); | |
749 | ||
750 | regs[R_EB4] &= 0x07; | |
751 | regs[R_EB4] |= 0x40; | |
752 | tda18271_write_regs(fe, R_EB4, 1); | |
753 | ||
754 | regs[R_EB7] = 0x40; | |
755 | tda18271_write_regs(fe, R_EB7, 1); | |
4d2d42bc | 756 | msleep(10); /* pll locking */ |
5bea1cd3 MK |
757 | |
758 | regs[R_EB20] = 0xec; | |
759 | tda18271_write_regs(fe, R_EB20, 1); | |
760 | msleep(60); /* RF tracking filter calibration completion */ | |
761 | ||
762 | regs[R_EP4] &= ~0x03; /* set cal mode to normal */ | |
763 | tda18271_write_regs(fe, R_EP4, 1); | |
764 | ||
765 | tda18271_write_regs(fe, R_EP1, 1); | |
766 | ||
b92bf0f6 MK |
767 | /* RF tracking filter correction for VHF_Low band */ |
768 | if (0 == tda18271_calc_rf_cal(fe, &freq)) | |
5bea1cd3 | 769 | tda18271_write_regs(fe, R_EB14, 1); |
5bea1cd3 | 770 | |
4d2d42bc MK |
771 | return 0; |
772 | } | |
773 | ||
d1c53424 MK |
774 | /* ------------------------------------------------------------------ */ |
775 | ||
12afe378 MK |
776 | static int tda18271_ir_cal_init(struct dvb_frontend *fe) |
777 | { | |
778 | struct tda18271_priv *priv = fe->tuner_priv; | |
779 | unsigned char *regs = priv->tda18271_regs; | |
d35fccaf | 780 | int ret; |
12afe378 | 781 | |
d35fccaf | 782 | ret = tda18271_read_regs(fe); |
4bd5d107 | 783 | if (tda_fail(ret)) |
d35fccaf | 784 | goto fail; |
12afe378 MK |
785 | |
786 | /* test IR_CAL_OK to see if we need init */ | |
787 | if ((regs[R_EP1] & 0x08) == 0) | |
d35fccaf MK |
788 | ret = tda18271_init_regs(fe); |
789 | fail: | |
790 | return ret; | |
12afe378 MK |
791 | } |
792 | ||
793 | static int tda18271_init(struct dvb_frontend *fe) | |
794 | { | |
795 | struct tda18271_priv *priv = fe->tuner_priv; | |
d35fccaf | 796 | int ret; |
12afe378 MK |
797 | |
798 | mutex_lock(&priv->lock); | |
799 | ||
800 | /* power up */ | |
d35fccaf | 801 | ret = tda18271_set_standby_mode(fe, 0, 0, 0); |
4bd5d107 | 802 | if (tda_fail(ret)) |
d35fccaf | 803 | goto fail; |
12afe378 MK |
804 | |
805 | /* initialization */ | |
d35fccaf | 806 | ret = tda18271_ir_cal_init(fe); |
4bd5d107 | 807 | if (tda_fail(ret)) |
d35fccaf | 808 | goto fail; |
12afe378 MK |
809 | |
810 | if (priv->id == TDA18271HDC2) | |
811 | tda18271c2_rf_cal_init(fe); | |
d35fccaf | 812 | fail: |
12afe378 MK |
813 | mutex_unlock(&priv->lock); |
814 | ||
d35fccaf | 815 | return ret; |
12afe378 MK |
816 | } |
817 | ||
d1c53424 | 818 | static int tda18271_tune(struct dvb_frontend *fe, |
c293d0a7 | 819 | struct tda18271_std_map_item *map, u32 freq, u32 bw) |
4d2d42bc MK |
820 | { |
821 | struct tda18271_priv *priv = fe->tuner_priv; | |
d35fccaf | 822 | int ret; |
4d2d42bc | 823 | |
7f7203df MK |
824 | tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n", |
825 | freq, map->if_freq, bw, map->agc_mode, map->std); | |
d1c53424 | 826 | |
d35fccaf | 827 | ret = tda18271_init(fe); |
4bd5d107 | 828 | if (tda_fail(ret)) |
d35fccaf | 829 | goto fail; |
4d2d42bc MK |
830 | |
831 | mutex_lock(&priv->lock); | |
832 | ||
ccbac9bb MK |
833 | switch (priv->id) { |
834 | case TDA18271HDC1: | |
d1c53424 | 835 | tda18271c1_rf_tracking_filter_calibration(fe, freq, bw); |
ccbac9bb MK |
836 | break; |
837 | case TDA18271HDC2: | |
d1c53424 | 838 | tda18271c2_rf_tracking_filters_correction(fe, freq); |
ccbac9bb MK |
839 | break; |
840 | } | |
31940e39 | 841 | ret = tda18271_channel_configuration(fe, map, freq, bw); |
d1c53424 MK |
842 | |
843 | mutex_unlock(&priv->lock); | |
d35fccaf MK |
844 | fail: |
845 | return ret; | |
ccbac9bb MK |
846 | } |
847 | ||
5bea1cd3 MK |
848 | /* ------------------------------------------------------------------ */ |
849 | ||
850 | static int tda18271_set_params(struct dvb_frontend *fe, | |
851 | struct dvb_frontend_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; |
ccbac9bb | 856 | int ret; |
2ba65d51 | 857 | u32 bw, freq = params->frequency; |
5bea1cd3 MK |
858 | |
859 | priv->mode = TDA18271_DIGITAL; | |
860 | ||
5bea1cd3 MK |
861 | if (fe->ops.info.type == FE_ATSC) { |
862 | switch (params->u.vsb.modulation) { | |
863 | case VSB_8: | |
864 | case VSB_16: | |
c293d0a7 | 865 | map = &std_map->atsc_6; |
5bea1cd3 MK |
866 | break; |
867 | case QAM_64: | |
868 | case QAM_256: | |
c293d0a7 | 869 | map = &std_map->qam_6; |
5bea1cd3 MK |
870 | break; |
871 | default: | |
182519f4 | 872 | tda_warn("modulation not set!\n"); |
5bea1cd3 MK |
873 | return -EINVAL; |
874 | } | |
14e3c152 MK |
875 | #if 0 |
876 | /* userspace request is already center adjusted */ | |
5bea1cd3 | 877 | freq += 1750000; /* Adjust to center (+1.75MHZ) */ |
14e3c152 | 878 | #endif |
5bea1cd3 MK |
879 | bw = 6000000; |
880 | } else if (fe->ops.info.type == FE_OFDM) { | |
881 | switch (params->u.ofdm.bandwidth) { | |
882 | case BANDWIDTH_6_MHZ: | |
5bea1cd3 | 883 | bw = 6000000; |
c293d0a7 | 884 | map = &std_map->dvbt_6; |
5bea1cd3 MK |
885 | break; |
886 | case BANDWIDTH_7_MHZ: | |
5bea1cd3 | 887 | bw = 7000000; |
c293d0a7 | 888 | map = &std_map->dvbt_7; |
5bea1cd3 MK |
889 | break; |
890 | case BANDWIDTH_8_MHZ: | |
5bea1cd3 | 891 | bw = 8000000; |
c293d0a7 | 892 | map = &std_map->dvbt_8; |
5bea1cd3 MK |
893 | break; |
894 | default: | |
182519f4 | 895 | tda_warn("bandwidth not set!\n"); |
5bea1cd3 MK |
896 | return -EINVAL; |
897 | } | |
898 | } else { | |
182519f4 | 899 | tda_warn("modulation type not supported!\n"); |
5bea1cd3 MK |
900 | return -EINVAL; |
901 | } | |
902 | ||
ed73683f MK |
903 | /* When tuning digital, the analog demod must be tri-stated */ |
904 | if (fe->ops.analog_ops.standby) | |
905 | fe->ops.analog_ops.standby(fe); | |
906 | ||
c293d0a7 | 907 | ret = tda18271_tune(fe, map, freq, bw); |
ccbac9bb | 908 | |
4bd5d107 | 909 | if (tda_fail(ret)) |
ccbac9bb MK |
910 | goto fail; |
911 | ||
912 | priv->frequency = freq; | |
913 | priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? | |
914 | params->u.ofdm.bandwidth : 0; | |
915 | fail: | |
916 | return ret; | |
5bea1cd3 MK |
917 | } |
918 | ||
919 | static int tda18271_set_analog_params(struct dvb_frontend *fe, | |
920 | struct analog_parameters *params) | |
921 | { | |
922 | struct tda18271_priv *priv = fe->tuner_priv; | |
f21e0d7f | 923 | struct tda18271_std_map *std_map = &priv->std; |
c293d0a7 | 924 | struct tda18271_std_map_item *map; |
5bea1cd3 | 925 | char *mode; |
c293d0a7 | 926 | int ret; |
2ba65d51 | 927 | u32 freq = params->frequency * 62500; |
5bea1cd3 MK |
928 | |
929 | priv->mode = TDA18271_ANALOG; | |
930 | ||
c353f42f | 931 | if (params->mode == V4L2_TUNER_RADIO) { |
c353f42f | 932 | freq = freq / 1000; |
c293d0a7 | 933 | map = &std_map->fm_radio; |
c353f42f MK |
934 | mode = "fm"; |
935 | } else if (params->std & V4L2_STD_MN) { | |
c293d0a7 | 936 | map = &std_map->atv_mn; |
5bea1cd3 MK |
937 | mode = "MN"; |
938 | } else if (params->std & V4L2_STD_B) { | |
c293d0a7 | 939 | map = &std_map->atv_b; |
5bea1cd3 MK |
940 | mode = "B"; |
941 | } else if (params->std & V4L2_STD_GH) { | |
c293d0a7 | 942 | map = &std_map->atv_gh; |
5bea1cd3 MK |
943 | mode = "GH"; |
944 | } else if (params->std & V4L2_STD_PAL_I) { | |
c293d0a7 | 945 | map = &std_map->atv_i; |
5bea1cd3 MK |
946 | mode = "I"; |
947 | } else if (params->std & V4L2_STD_DK) { | |
c293d0a7 | 948 | map = &std_map->atv_dk; |
5bea1cd3 MK |
949 | mode = "DK"; |
950 | } else if (params->std & V4L2_STD_SECAM_L) { | |
c293d0a7 | 951 | map = &std_map->atv_l; |
5bea1cd3 MK |
952 | mode = "L"; |
953 | } else if (params->std & V4L2_STD_SECAM_LC) { | |
c293d0a7 | 954 | map = &std_map->atv_lc; |
95af8a26 | 955 | mode = "L'"; |
5bea1cd3 | 956 | } else { |
c293d0a7 | 957 | map = &std_map->atv_i; |
5bea1cd3 MK |
958 | mode = "xx"; |
959 | } | |
960 | ||
182519f4 | 961 | tda_dbg("setting tda18271 to system %s\n", mode); |
5bea1cd3 | 962 | |
c293d0a7 | 963 | ret = tda18271_tune(fe, map, freq, 0); |
ccbac9bb | 964 | |
4bd5d107 | 965 | if (tda_fail(ret)) |
ccbac9bb MK |
966 | goto fail; |
967 | ||
968 | priv->frequency = freq; | |
969 | priv->bandwidth = 0; | |
970 | fail: | |
971 | return ret; | |
5bea1cd3 MK |
972 | } |
973 | ||
518d8739 MK |
974 | static int tda18271_sleep(struct dvb_frontend *fe) |
975 | { | |
976 | struct tda18271_priv *priv = fe->tuner_priv; | |
d35fccaf | 977 | int ret; |
518d8739 MK |
978 | |
979 | mutex_lock(&priv->lock); | |
980 | ||
981 | /* standby mode w/ slave tuner output | |
982 | * & loop thru & xtal oscillator on */ | |
d35fccaf | 983 | ret = tda18271_set_standby_mode(fe, 1, 0, 0); |
518d8739 MK |
984 | |
985 | mutex_unlock(&priv->lock); | |
986 | ||
d35fccaf | 987 | return ret; |
518d8739 MK |
988 | } |
989 | ||
5bea1cd3 MK |
990 | static int tda18271_release(struct dvb_frontend *fe) |
991 | { | |
a4f263b5 MK |
992 | struct tda18271_priv *priv = fe->tuner_priv; |
993 | ||
994 | mutex_lock(&tda18271_list_mutex); | |
995 | ||
f9e315a1 MK |
996 | if (priv) |
997 | hybrid_tuner_release_state(priv); | |
a4f263b5 | 998 | |
a4f263b5 MK |
999 | mutex_unlock(&tda18271_list_mutex); |
1000 | ||
5bea1cd3 | 1001 | fe->tuner_priv = NULL; |
a4f263b5 | 1002 | |
5bea1cd3 MK |
1003 | return 0; |
1004 | } | |
1005 | ||
1006 | static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
1007 | { | |
1008 | struct tda18271_priv *priv = fe->tuner_priv; | |
1009 | *frequency = priv->frequency; | |
1010 | return 0; | |
1011 | } | |
1012 | ||
1013 | static int tda18271_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
1014 | { | |
1015 | struct tda18271_priv *priv = fe->tuner_priv; | |
1016 | *bandwidth = priv->bandwidth; | |
1017 | return 0; | |
1018 | } | |
1019 | ||
f21e0d7f MK |
1020 | /* ------------------------------------------------------------------ */ |
1021 | ||
1022 | #define tda18271_update_std(std_cfg, name) do { \ | |
7f7203df | 1023 | if (map->std_cfg.if_freq + \ |
c735372f MK |
1024 | map->std_cfg.agc_mode + map->std_cfg.std + \ |
1025 | map->std_cfg.if_lvl + map->std_cfg.rfagc_top > 0) { \ | |
f21e0d7f MK |
1026 | tda_dbg("Using custom std config for %s\n", name); \ |
1027 | memcpy(&std->std_cfg, &map->std_cfg, \ | |
1028 | sizeof(struct tda18271_std_map_item)); \ | |
1029 | } } while (0) | |
1030 | ||
1031 | #define tda18271_dump_std_item(std_cfg, name) do { \ | |
c735372f MK |
1032 | tda_dbg("(%s) if_freq = %d, agc_mode = %d, std = %d, " \ |
1033 | "if_lvl = %d, rfagc_top = 0x%02x\n", \ | |
7f7203df | 1034 | name, std->std_cfg.if_freq, \ |
c735372f MK |
1035 | std->std_cfg.agc_mode, std->std_cfg.std, \ |
1036 | std->std_cfg.if_lvl, std->std_cfg.rfagc_top); \ | |
f21e0d7f MK |
1037 | } while (0) |
1038 | ||
1039 | static int tda18271_dump_std_map(struct dvb_frontend *fe) | |
1040 | { | |
1041 | struct tda18271_priv *priv = fe->tuner_priv; | |
1042 | struct tda18271_std_map *std = &priv->std; | |
1043 | ||
1044 | tda_dbg("========== STANDARD MAP SETTINGS ==========\n"); | |
c735372f MK |
1045 | tda18271_dump_std_item(fm_radio, " fm "); |
1046 | tda18271_dump_std_item(atv_b, "atv b "); | |
1047 | tda18271_dump_std_item(atv_dk, "atv dk"); | |
1048 | tda18271_dump_std_item(atv_gh, "atv gh"); | |
1049 | tda18271_dump_std_item(atv_i, "atv i "); | |
1050 | tda18271_dump_std_item(atv_l, "atv l "); | |
1051 | tda18271_dump_std_item(atv_lc, "atv l'"); | |
f21e0d7f MK |
1052 | tda18271_dump_std_item(atv_mn, "atv mn"); |
1053 | tda18271_dump_std_item(atsc_6, "atsc 6"); | |
1054 | tda18271_dump_std_item(dvbt_6, "dvbt 6"); | |
1055 | tda18271_dump_std_item(dvbt_7, "dvbt 7"); | |
1056 | tda18271_dump_std_item(dvbt_8, "dvbt 8"); | |
c735372f MK |
1057 | tda18271_dump_std_item(qam_6, "qam 6 "); |
1058 | tda18271_dump_std_item(qam_8, "qam 8 "); | |
f21e0d7f MK |
1059 | |
1060 | return 0; | |
1061 | } | |
1062 | ||
1063 | static int tda18271_update_std_map(struct dvb_frontend *fe, | |
1064 | struct tda18271_std_map *map) | |
1065 | { | |
1066 | struct tda18271_priv *priv = fe->tuner_priv; | |
1067 | struct tda18271_std_map *std = &priv->std; | |
1068 | ||
1069 | if (!map) | |
1070 | return -EINVAL; | |
1071 | ||
c353f42f | 1072 | tda18271_update_std(fm_radio, "fm"); |
f21e0d7f MK |
1073 | tda18271_update_std(atv_b, "atv b"); |
1074 | tda18271_update_std(atv_dk, "atv dk"); | |
1075 | tda18271_update_std(atv_gh, "atv gh"); | |
1076 | tda18271_update_std(atv_i, "atv i"); | |
1077 | tda18271_update_std(atv_l, "atv l"); | |
1078 | tda18271_update_std(atv_lc, "atv l'"); | |
1079 | tda18271_update_std(atv_mn, "atv mn"); | |
1080 | tda18271_update_std(atsc_6, "atsc 6"); | |
1081 | tda18271_update_std(dvbt_6, "dvbt 6"); | |
1082 | tda18271_update_std(dvbt_7, "dvbt 7"); | |
1083 | tda18271_update_std(dvbt_8, "dvbt 8"); | |
1084 | tda18271_update_std(qam_6, "qam 6"); | |
1085 | tda18271_update_std(qam_8, "qam 8"); | |
1086 | ||
1087 | return 0; | |
1088 | } | |
1089 | ||
49e7aaf0 MK |
1090 | static int tda18271_get_id(struct dvb_frontend *fe) |
1091 | { | |
1092 | struct tda18271_priv *priv = fe->tuner_priv; | |
1093 | unsigned char *regs = priv->tda18271_regs; | |
1094 | char *name; | |
1095 | int ret = 0; | |
1096 | ||
8d316bf5 | 1097 | mutex_lock(&priv->lock); |
49e7aaf0 | 1098 | tda18271_read_regs(fe); |
8d316bf5 | 1099 | mutex_unlock(&priv->lock); |
49e7aaf0 MK |
1100 | |
1101 | switch (regs[R_ID] & 0x7f) { | |
1102 | case 3: | |
1103 | name = "TDA18271HD/C1"; | |
255b5113 | 1104 | priv->id = TDA18271HDC1; |
49e7aaf0 MK |
1105 | break; |
1106 | case 4: | |
1107 | name = "TDA18271HD/C2"; | |
255b5113 | 1108 | priv->id = TDA18271HDC2; |
49e7aaf0 MK |
1109 | break; |
1110 | default: | |
1111 | name = "Unknown device"; | |
1112 | ret = -EINVAL; | |
1113 | break; | |
1114 | } | |
1115 | ||
182519f4 | 1116 | tda_info("%s detected @ %d-%04x%s\n", name, |
f9e315a1 MK |
1117 | i2c_adapter_id(priv->i2c_props.adap), |
1118 | priv->i2c_props.addr, | |
49e7aaf0 MK |
1119 | (0 == ret) ? "" : ", device not supported."); |
1120 | ||
1121 | return ret; | |
1122 | } | |
1123 | ||
5bea1cd3 MK |
1124 | static struct dvb_tuner_ops tda18271_tuner_ops = { |
1125 | .info = { | |
1126 | .name = "NXP TDA18271HD", | |
1127 | .frequency_min = 45000000, | |
1128 | .frequency_max = 864000000, | |
1129 | .frequency_step = 62500 | |
1130 | }, | |
efce8410 | 1131 | .init = tda18271_init, |
518d8739 | 1132 | .sleep = tda18271_sleep, |
5bea1cd3 MK |
1133 | .set_params = tda18271_set_params, |
1134 | .set_analog_params = tda18271_set_analog_params, | |
1135 | .release = tda18271_release, | |
1136 | .get_frequency = tda18271_get_frequency, | |
1137 | .get_bandwidth = tda18271_get_bandwidth, | |
1138 | }; | |
1139 | ||
1140 | struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, | |
e435f95c | 1141 | struct i2c_adapter *i2c, |
f21e0d7f | 1142 | struct tda18271_config *cfg) |
5bea1cd3 MK |
1143 | { |
1144 | struct tda18271_priv *priv = NULL; | |
f9e315a1 | 1145 | int instance; |
a4f263b5 MK |
1146 | |
1147 | mutex_lock(&tda18271_list_mutex); | |
1148 | ||
f9e315a1 MK |
1149 | instance = hybrid_tuner_request_state(struct tda18271_priv, priv, |
1150 | hybrid_tuner_instance_list, | |
1151 | i2c, addr, "tda18271"); | |
1152 | switch (instance) { | |
1153 | case 0: | |
1154 | goto fail; | |
1155 | break; | |
1156 | case 1: | |
1157 | /* new tuner instance */ | |
a4f263b5 | 1158 | priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO; |
868f5ccd | 1159 | priv->role = (cfg) ? cfg->role : TDA18271_MASTER; |
a4f263b5 MK |
1160 | priv->cal_initialized = false; |
1161 | mutex_init(&priv->lock); | |
5bea1cd3 | 1162 | |
a4f263b5 | 1163 | fe->tuner_priv = priv; |
5bea1cd3 | 1164 | |
5555309c MK |
1165 | if (cfg) |
1166 | priv->small_i2c = cfg->small_i2c; | |
1167 | ||
4bd5d107 | 1168 | if (tda_fail(tda18271_get_id(fe))) |
a4f263b5 | 1169 | goto fail; |
49e7aaf0 | 1170 | |
4bd5d107 | 1171 | if (tda_fail(tda18271_assign_map_layout(fe))) |
a4f263b5 | 1172 | goto fail; |
255b5113 | 1173 | |
a4f263b5 MK |
1174 | mutex_lock(&priv->lock); |
1175 | tda18271_init_regs(fe); | |
0f96251e MK |
1176 | |
1177 | if ((tda18271_cal_on_startup) && (priv->id == TDA18271HDC2)) | |
12afe378 | 1178 | tda18271c2_rf_cal_init(fe); |
0f96251e | 1179 | |
a4f263b5 | 1180 | mutex_unlock(&priv->lock); |
f9e315a1 MK |
1181 | break; |
1182 | default: | |
1183 | /* existing tuner instance */ | |
1184 | fe->tuner_priv = priv; | |
1185 | ||
1186 | /* allow dvb driver to override i2c gate setting */ | |
1187 | if ((cfg) && (cfg->gate != TDA18271_GATE_ANALOG)) | |
1188 | priv->gate = cfg->gate; | |
1189 | break; | |
a4f263b5 | 1190 | } |
5bea1cd3 | 1191 | |
f21e0d7f MK |
1192 | /* override default std map with values in config struct */ |
1193 | if ((cfg) && (cfg->std_map)) | |
1194 | tda18271_update_std_map(fe, cfg->std_map); | |
1195 | ||
a4f263b5 | 1196 | mutex_unlock(&tda18271_list_mutex); |
8d316bf5 | 1197 | |
a4f263b5 MK |
1198 | memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops, |
1199 | sizeof(struct dvb_tuner_ops)); | |
efce8410 | 1200 | |
c735372f | 1201 | if (tda18271_debug & (DBG_MAP | DBG_ADV)) |
a4f263b5 | 1202 | tda18271_dump_std_map(fe); |
8d316bf5 | 1203 | |
5bea1cd3 | 1204 | return fe; |
49e7aaf0 | 1205 | fail: |
a4f263b5 MK |
1206 | mutex_unlock(&tda18271_list_mutex); |
1207 | ||
49e7aaf0 MK |
1208 | tda18271_release(fe); |
1209 | return NULL; | |
5bea1cd3 MK |
1210 | } |
1211 | EXPORT_SYMBOL_GPL(tda18271_attach); | |
1212 | MODULE_DESCRIPTION("NXP TDA18271HD analog / digital tuner driver"); | |
1213 | MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>"); | |
1214 | MODULE_LICENSE("GPL"); | |
5ec96b0c | 1215 | MODULE_VERSION("0.3"); |
5bea1cd3 MK |
1216 | |
1217 | /* | |
1218 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
1219 | * --------------------------------------------------------------------------- | |
1220 | * Local variables: | |
1221 | * c-basic-offset: 8 | |
1222 | * End: | |
1223 | */ |