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 | ||
6ca04de3 | 21 | #include "tda18271-priv.h" |
1bacb2df | 22 | #include "tda8290.h" |
5bea1cd3 | 23 | |
36dba13b MCC |
24 | #include <linux/delay.h> |
25 | #include <linux/videodev2.h> | |
26 | ||
b5f3e1e1 | 27 | int tda18271_debug; |
54465b08 | 28 | module_param_named(debug, tda18271_debug, int, 0644); |
0e1fab90 | 29 | MODULE_PARM_DESC(debug, "set debug level " |
cf04d29c | 30 | "(info=1, map=2, reg=4, adv=8, cal=16 (or-able))"); |
5bea1cd3 | 31 | |
81016b49 | 32 | static int tda18271_cal_on_startup = -1; |
0f96251e MK |
33 | module_param_named(cal, tda18271_cal_on_startup, int, 0644); |
34 | MODULE_PARM_DESC(cal, "perform RF tracking filter calibration on startup"); | |
35 | ||
a4f263b5 | 36 | static DEFINE_MUTEX(tda18271_list_mutex); |
f9e315a1 | 37 | static LIST_HEAD(hybrid_tuner_instance_list); |
a4f263b5 | 38 | |
5bea1cd3 MK |
39 | /*---------------------------------------------------------------------*/ |
40 | ||
4240b460 MK |
41 | static int tda18271_toggle_output(struct dvb_frontend *fe, int standby) |
42 | { | |
43 | struct tda18271_priv *priv = fe->tuner_priv; | |
44 | ||
45 | int ret = tda18271_set_standby_mode(fe, standby ? 1 : 0, | |
46 | priv->output_opt & TDA18271_OUTPUT_LT_OFF ? 1 : 0, | |
47 | priv->output_opt & TDA18271_OUTPUT_XT_OFF ? 1 : 0); | |
48 | ||
49 | if (tda_fail(ret)) | |
50 | goto fail; | |
51 | ||
52 | tda_dbg("%s mode: xtal oscillator %s, slave tuner loop thru %s\n", | |
53 | standby ? "standby" : "active", | |
54 | priv->output_opt & TDA18271_OUTPUT_XT_OFF ? "off" : "on", | |
55 | priv->output_opt & TDA18271_OUTPUT_LT_OFF ? "off" : "on"); | |
56 | fail: | |
57 | return ret; | |
58 | } | |
59 | ||
60 | /*---------------------------------------------------------------------*/ | |
61 | ||
868f5ccd MK |
62 | static inline int charge_pump_source(struct dvb_frontend *fe, int force) |
63 | { | |
64 | struct tda18271_priv *priv = fe->tuner_priv; | |
65 | return tda18271_charge_pump_source(fe, | |
66 | (priv->role == TDA18271_SLAVE) ? | |
67 | TDA18271_CAL_PLL : | |
68 | TDA18271_MAIN_PLL, force); | |
69 | } | |
70 | ||
44e645c2 MK |
71 | static inline void tda18271_set_if_notch(struct dvb_frontend *fe) |
72 | { | |
73 | struct tda18271_priv *priv = fe->tuner_priv; | |
74 | unsigned char *regs = priv->tda18271_regs; | |
75 | ||
76 | switch (priv->mode) { | |
77 | case TDA18271_ANALOG: | |
78 | regs[R_MPD] &= ~0x80; /* IF notch = 0 */ | |
79 | break; | |
80 | case TDA18271_DIGITAL: | |
81 | regs[R_MPD] |= 0x80; /* IF notch = 1 */ | |
82 | break; | |
83 | } | |
84 | } | |
85 | ||
255b5113 | 86 | static int tda18271_channel_configuration(struct dvb_frontend *fe, |
c293d0a7 MK |
87 | struct tda18271_std_map_item *map, |
88 | u32 freq, u32 bw) | |
255b5113 MK |
89 | { |
90 | struct tda18271_priv *priv = fe->tuner_priv; | |
91 | unsigned char *regs = priv->tda18271_regs; | |
31940e39 | 92 | int ret; |
255b5113 MK |
93 | u32 N; |
94 | ||
95 | /* update TV broadcast parameters */ | |
96 | ||
97 | /* set standard */ | |
98 | regs[R_EP3] &= ~0x1f; /* clear std bits */ | |
7f7203df | 99 | regs[R_EP3] |= (map->agc_mode << 3) | map->std; |
255b5113 | 100 | |
51858d13 MK |
101 | if (priv->id == TDA18271HDC2) { |
102 | /* set rfagc to high speed mode */ | |
103 | regs[R_EP3] &= ~0x04; | |
104 | } | |
40194b2b | 105 | |
255b5113 MK |
106 | /* set cal mode to normal */ |
107 | regs[R_EP4] &= ~0x03; | |
108 | ||
44e645c2 | 109 | /* update IF output level */ |
255b5113 | 110 | regs[R_EP4] &= ~0x1c; /* clear if level bits */ |
14c74b23 | 111 | regs[R_EP4] |= (map->if_lvl << 2); |
255b5113 | 112 | |
c293d0a7 MK |
113 | /* update FM_RFn */ |
114 | regs[R_EP4] &= ~0x80; | |
115 | regs[R_EP4] |= map->fm_rfn << 7; | |
255b5113 | 116 | |
c0dc0c11 MK |
117 | /* update rf top / if top */ |
118 | regs[R_EB22] = 0x00; | |
119 | regs[R_EB22] |= map->rfagc_top; | |
31940e39 | 120 | ret = tda18271_write_regs(fe, R_EB22, 1); |
4bd5d107 | 121 | if (tda_fail(ret)) |
31940e39 | 122 | goto fail; |
255b5113 MK |
123 | |
124 | /* --------------------------------------------------------------- */ | |
125 | ||
126 | /* disable Power Level Indicator */ | |
127 | regs[R_EP1] |= 0x40; | |
128 | ||
7ae1ac4c MK |
129 | /* make sure thermometer is off */ |
130 | regs[R_TM] &= ~0x10; | |
131 | ||
255b5113 MK |
132 | /* frequency dependent parameters */ |
133 | ||
134 | tda18271_calc_ir_measure(fe, &freq); | |
135 | ||
136 | tda18271_calc_bp_filter(fe, &freq); | |
137 | ||
138 | tda18271_calc_rf_band(fe, &freq); | |
139 | ||
140 | tda18271_calc_gain_taper(fe, &freq); | |
141 | ||
142 | /* --------------------------------------------------------------- */ | |
143 | ||
144 | /* dual tuner and agc1 extra configuration */ | |
145 | ||
868f5ccd MK |
146 | switch (priv->role) { |
147 | case TDA18271_MASTER: | |
148 | regs[R_EB1] |= 0x04; /* main vco */ | |
149 | break; | |
150 | case TDA18271_SLAVE: | |
151 | regs[R_EB1] &= ~0x04; /* cal vco */ | |
152 | break; | |
153 | } | |
255b5113 MK |
154 | |
155 | /* agc1 always active */ | |
156 | regs[R_EB1] &= ~0x02; | |
157 | ||
158 | /* agc1 has priority on agc2 */ | |
159 | regs[R_EB1] &= ~0x01; | |
160 | ||
31940e39 | 161 | ret = tda18271_write_regs(fe, R_EB1, 1); |
4bd5d107 | 162 | if (tda_fail(ret)) |
31940e39 | 163 | goto fail; |
255b5113 MK |
164 | |
165 | /* --------------------------------------------------------------- */ | |
166 | ||
c293d0a7 | 167 | N = map->if_freq * 1000 + freq; |
255b5113 | 168 | |
868f5ccd MK |
169 | switch (priv->role) { |
170 | case TDA18271_MASTER: | |
171 | tda18271_calc_main_pll(fe, N); | |
44e645c2 | 172 | tda18271_set_if_notch(fe); |
868f5ccd MK |
173 | tda18271_write_regs(fe, R_MPD, 4); |
174 | break; | |
175 | case TDA18271_SLAVE: | |
176 | tda18271_calc_cal_pll(fe, N); | |
177 | tda18271_write_regs(fe, R_CPD, 4); | |
178 | ||
179 | regs[R_MPD] = regs[R_CPD] & 0x7f; | |
44e645c2 | 180 | tda18271_set_if_notch(fe); |
868f5ccd MK |
181 | tda18271_write_regs(fe, R_MPD, 1); |
182 | break; | |
183 | } | |
255b5113 | 184 | |
31940e39 | 185 | ret = tda18271_write_regs(fe, R_TM, 7); |
4bd5d107 | 186 | if (tda_fail(ret)) |
31940e39 | 187 | goto fail; |
255b5113 | 188 | |
868f5ccd MK |
189 | /* force charge pump source */ |
190 | charge_pump_source(fe, 1); | |
255b5113 MK |
191 | |
192 | msleep(1); | |
193 | ||
868f5ccd MK |
194 | /* return pll to normal operation */ |
195 | charge_pump_source(fe, 0); | |
255b5113 | 196 | |
40194b2b MK |
197 | msleep(20); |
198 | ||
51858d13 MK |
199 | if (priv->id == TDA18271HDC2) { |
200 | /* set rfagc to normal speed mode */ | |
201 | if (map->fm_rfn) | |
202 | regs[R_EP3] &= ~0x04; | |
203 | else | |
204 | regs[R_EP3] |= 0x04; | |
205 | ret = tda18271_write_regs(fe, R_EP3, 1); | |
206 | } | |
31940e39 MK |
207 | fail: |
208 | return ret; | |
255b5113 MK |
209 | } |
210 | ||
211 | static int tda18271_read_thermometer(struct dvb_frontend *fe) | |
212 | { | |
213 | struct tda18271_priv *priv = fe->tuner_priv; | |
214 | unsigned char *regs = priv->tda18271_regs; | |
215 | int tm; | |
216 | ||
217 | /* switch thermometer on */ | |
218 | regs[R_TM] |= 0x10; | |
219 | tda18271_write_regs(fe, R_TM, 1); | |
220 | ||
221 | /* read thermometer info */ | |
222 | tda18271_read_regs(fe); | |
223 | ||
224 | if ((((regs[R_TM] & 0x0f) == 0x00) && ((regs[R_TM] & 0x20) == 0x20)) || | |
225 | (((regs[R_TM] & 0x0f) == 0x08) && ((regs[R_TM] & 0x20) == 0x00))) { | |
226 | ||
227 | if ((regs[R_TM] & 0x20) == 0x20) | |
228 | regs[R_TM] &= ~0x20; | |
229 | else | |
230 | regs[R_TM] |= 0x20; | |
231 | ||
232 | tda18271_write_regs(fe, R_TM, 1); | |
233 | ||
234 | msleep(10); /* temperature sensing */ | |
235 | ||
236 | /* read thermometer info */ | |
237 | tda18271_read_regs(fe); | |
238 | } | |
239 | ||
240 | tm = tda18271_lookup_thermometer(fe); | |
241 | ||
242 | /* switch thermometer off */ | |
243 | regs[R_TM] &= ~0x10; | |
244 | tda18271_write_regs(fe, R_TM, 1); | |
245 | ||
246 | /* set CAL mode to normal */ | |
247 | regs[R_EP4] &= ~0x03; | |
248 | tda18271_write_regs(fe, R_EP4, 1); | |
249 | ||
250 | return tm; | |
251 | } | |
252 | ||
12afe378 MK |
253 | /* ------------------------------------------------------------------ */ |
254 | ||
d1c53424 MK |
255 | static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe, |
256 | u32 freq) | |
255b5113 MK |
257 | { |
258 | struct tda18271_priv *priv = fe->tuner_priv; | |
259 | struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; | |
260 | unsigned char *regs = priv->tda18271_regs; | |
3a6b49fe MK |
261 | int i, ret; |
262 | u8 tm_current, dc_over_dt, rf_tab; | |
263 | s32 rfcal_comp, approx; | |
255b5113 MK |
264 | |
265 | /* power up */ | |
20f42063 | 266 | ret = tda18271_set_standby_mode(fe, 0, 0, 0); |
4bd5d107 | 267 | if (tda_fail(ret)) |
20f42063 | 268 | goto fail; |
255b5113 MK |
269 | |
270 | /* read die current temperature */ | |
271 | tm_current = tda18271_read_thermometer(fe); | |
272 | ||
273 | /* frequency dependent parameters */ | |
274 | ||
275 | tda18271_calc_rf_cal(fe, &freq); | |
276 | rf_tab = regs[R_EB14]; | |
277 | ||
278 | i = tda18271_lookup_rf_band(fe, &freq, NULL); | |
4bd5d107 MK |
279 | if (tda_fail(i)) |
280 | return i; | |
255b5113 MK |
281 | |
282 | if ((0 == map[i].rf3) || (freq / 1000 < map[i].rf2)) { | |
3a6b49fe MK |
283 | approx = map[i].rf_a1 * (s32)(freq / 1000 - map[i].rf1) + |
284 | map[i].rf_b1 + rf_tab; | |
255b5113 | 285 | } else { |
3a6b49fe MK |
286 | approx = map[i].rf_a2 * (s32)(freq / 1000 - map[i].rf2) + |
287 | map[i].rf_b2 + rf_tab; | |
255b5113 MK |
288 | } |
289 | ||
290 | if (approx < 0) | |
291 | approx = 0; | |
292 | if (approx > 255) | |
293 | approx = 255; | |
294 | ||
295 | tda18271_lookup_map(fe, RF_CAL_DC_OVER_DT, &freq, &dc_over_dt); | |
296 | ||
297 | /* calculate temperature compensation */ | |
3a6b49fe | 298 | rfcal_comp = dc_over_dt * (s32)(tm_current - priv->tm_rfcal) / 1000; |
255b5113 | 299 | |
3a6b49fe | 300 | regs[R_EB14] = (unsigned char)(approx + rfcal_comp); |
20f42063 MK |
301 | ret = tda18271_write_regs(fe, R_EB14, 1); |
302 | fail: | |
303 | return ret; | |
255b5113 MK |
304 | } |
305 | ||
306 | static int tda18271_por(struct dvb_frontend *fe) | |
307 | { | |
308 | struct tda18271_priv *priv = fe->tuner_priv; | |
309 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 310 | int ret; |
255b5113 MK |
311 | |
312 | /* power up detector 1 */ | |
313 | regs[R_EB12] &= ~0x20; | |
24124f78 | 314 | ret = tda18271_write_regs(fe, R_EB12, 1); |
4bd5d107 | 315 | if (tda_fail(ret)) |
24124f78 | 316 | goto fail; |
255b5113 MK |
317 | |
318 | regs[R_EB18] &= ~0x80; /* turn agc1 loop on */ | |
319 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
24124f78 | 320 | ret = tda18271_write_regs(fe, R_EB18, 1); |
4bd5d107 | 321 | if (tda_fail(ret)) |
24124f78 | 322 | goto fail; |
255b5113 MK |
323 | |
324 | regs[R_EB21] |= 0x03; /* set agc2_gain to -6 dB */ | |
325 | ||
326 | /* POR mode */ | |
24124f78 | 327 | ret = tda18271_set_standby_mode(fe, 1, 0, 0); |
4bd5d107 | 328 | if (tda_fail(ret)) |
24124f78 | 329 | goto fail; |
255b5113 MK |
330 | |
331 | /* disable 1.5 MHz low pass filter */ | |
332 | regs[R_EB23] &= ~0x04; /* forcelp_fc2_en = 0 */ | |
333 | regs[R_EB23] &= ~0x02; /* XXX: lp_fc[2] = 0 */ | |
24124f78 MK |
334 | ret = tda18271_write_regs(fe, R_EB21, 3); |
335 | fail: | |
336 | return ret; | |
255b5113 MK |
337 | } |
338 | ||
339 | static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq) | |
340 | { | |
341 | struct tda18271_priv *priv = fe->tuner_priv; | |
342 | unsigned char *regs = priv->tda18271_regs; | |
343 | u32 N; | |
344 | ||
345 | /* set CAL mode to normal */ | |
346 | regs[R_EP4] &= ~0x03; | |
347 | tda18271_write_regs(fe, R_EP4, 1); | |
348 | ||
349 | /* switch off agc1 */ | |
350 | regs[R_EP3] |= 0x40; /* sm_lt = 1 */ | |
351 | ||
352 | regs[R_EB18] |= 0x03; /* set agc1_gain to 15 dB */ | |
353 | tda18271_write_regs(fe, R_EB18, 1); | |
354 | ||
355 | /* frequency dependent parameters */ | |
356 | ||
357 | tda18271_calc_bp_filter(fe, &freq); | |
358 | tda18271_calc_gain_taper(fe, &freq); | |
359 | tda18271_calc_rf_band(fe, &freq); | |
360 | tda18271_calc_km(fe, &freq); | |
361 | ||
362 | tda18271_write_regs(fe, R_EP1, 3); | |
363 | tda18271_write_regs(fe, R_EB13, 1); | |
364 | ||
365 | /* main pll charge pump source */ | |
4efb0ca5 | 366 | tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1); |
255b5113 MK |
367 | |
368 | /* cal pll charge pump source */ | |
4efb0ca5 | 369 | tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 1); |
255b5113 MK |
370 | |
371 | /* force dcdc converter to 0 V */ | |
372 | regs[R_EB14] = 0x00; | |
373 | tda18271_write_regs(fe, R_EB14, 1); | |
374 | ||
375 | /* disable plls lock */ | |
376 | regs[R_EB20] &= ~0x20; | |
377 | tda18271_write_regs(fe, R_EB20, 1); | |
378 | ||
379 | /* set CAL mode to RF tracking filter calibration */ | |
380 | regs[R_EP4] |= 0x03; | |
381 | tda18271_write_regs(fe, R_EP4, 2); | |
382 | ||
383 | /* --------------------------------------------------------------- */ | |
384 | ||
385 | /* set the internal calibration signal */ | |
386 | N = freq; | |
387 | ||
ae07d042 MK |
388 | tda18271_calc_cal_pll(fe, N); |
389 | tda18271_write_regs(fe, R_CPD, 4); | |
255b5113 MK |
390 | |
391 | /* downconvert internal calibration */ | |
392 | N += 1000000; | |
393 | ||
394 | tda18271_calc_main_pll(fe, N); | |
395 | tda18271_write_regs(fe, R_MPD, 4); | |
396 | ||
397 | msleep(5); | |
398 | ||
399 | tda18271_write_regs(fe, R_EP2, 1); | |
400 | tda18271_write_regs(fe, R_EP1, 1); | |
401 | tda18271_write_regs(fe, R_EP2, 1); | |
402 | tda18271_write_regs(fe, R_EP1, 1); | |
403 | ||
404 | /* --------------------------------------------------------------- */ | |
405 | ||
406 | /* normal operation for the main pll */ | |
4efb0ca5 | 407 | tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0); |
255b5113 MK |
408 | |
409 | /* normal operation for the cal pll */ | |
4efb0ca5 | 410 | tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 0); |
255b5113 | 411 | |
ae07d042 | 412 | msleep(10); /* plls locking */ |
255b5113 MK |
413 | |
414 | /* launch the rf tracking filters calibration */ | |
415 | regs[R_EB20] |= 0x20; | |
416 | tda18271_write_regs(fe, R_EB20, 1); | |
417 | ||
418 | msleep(60); /* calibration */ | |
419 | ||
420 | /* --------------------------------------------------------------- */ | |
421 | ||
422 | /* set CAL mode to normal */ | |
423 | regs[R_EP4] &= ~0x03; | |
424 | ||
425 | /* switch on agc1 */ | |
426 | regs[R_EP3] &= ~0x40; /* sm_lt = 0 */ | |
427 | ||
428 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
429 | tda18271_write_regs(fe, R_EB18, 1); | |
430 | ||
431 | tda18271_write_regs(fe, R_EP3, 2); | |
432 | ||
433 | /* synchronization */ | |
434 | tda18271_write_regs(fe, R_EP1, 1); | |
435 | ||
436 | /* get calibration result */ | |
437 | tda18271_read_extended(fe); | |
438 | ||
439 | return regs[R_EB14]; | |
440 | } | |
441 | ||
442 | static int tda18271_powerscan(struct dvb_frontend *fe, | |
443 | u32 *freq_in, u32 *freq_out) | |
444 | { | |
445 | struct tda18271_priv *priv = fe->tuner_priv; | |
446 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 447 | int sgn, bcal, count, wait, ret; |
255b5113 MK |
448 | u8 cid_target; |
449 | u16 count_limit; | |
450 | u32 freq; | |
451 | ||
452 | freq = *freq_in; | |
453 | ||
454 | tda18271_calc_rf_band(fe, &freq); | |
455 | tda18271_calc_rf_cal(fe, &freq); | |
456 | tda18271_calc_gain_taper(fe, &freq); | |
457 | tda18271_lookup_cid_target(fe, &freq, &cid_target, &count_limit); | |
458 | ||
459 | tda18271_write_regs(fe, R_EP2, 1); | |
460 | tda18271_write_regs(fe, R_EB14, 1); | |
461 | ||
462 | /* downconvert frequency */ | |
463 | freq += 1000000; | |
464 | ||
465 | tda18271_calc_main_pll(fe, freq); | |
466 | tda18271_write_regs(fe, R_MPD, 4); | |
467 | ||
468 | msleep(5); /* pll locking */ | |
469 | ||
470 | /* detection mode */ | |
471 | regs[R_EP4] &= ~0x03; | |
472 | regs[R_EP4] |= 0x01; | |
473 | tda18271_write_regs(fe, R_EP4, 1); | |
474 | ||
475 | /* launch power detection measurement */ | |
476 | tda18271_write_regs(fe, R_EP2, 1); | |
477 | ||
478 | /* read power detection info, stored in EB10 */ | |
24124f78 | 479 | ret = tda18271_read_extended(fe); |
4bd5d107 | 480 | if (tda_fail(ret)) |
24124f78 | 481 | return ret; |
255b5113 MK |
482 | |
483 | /* algorithm initialization */ | |
484 | sgn = 1; | |
485 | *freq_out = *freq_in; | |
486 | bcal = 0; | |
487 | count = 0; | |
488 | wait = false; | |
489 | ||
490 | while ((regs[R_EB10] & 0x3f) < cid_target) { | |
491 | /* downconvert updated freq to 1 MHz */ | |
492 | freq = *freq_in + (sgn * count) + 1000000; | |
493 | ||
494 | tda18271_calc_main_pll(fe, freq); | |
495 | tda18271_write_regs(fe, R_MPD, 4); | |
496 | ||
497 | if (wait) { | |
498 | msleep(5); /* pll locking */ | |
499 | wait = false; | |
500 | } else | |
501 | udelay(100); /* pll locking */ | |
502 | ||
503 | /* launch power detection measurement */ | |
504 | tda18271_write_regs(fe, R_EP2, 1); | |
505 | ||
506 | /* read power detection info, stored in EB10 */ | |
24124f78 | 507 | ret = tda18271_read_extended(fe); |
4bd5d107 | 508 | if (tda_fail(ret)) |
24124f78 | 509 | return ret; |
255b5113 MK |
510 | |
511 | count += 200; | |
512 | ||
e7809a07 | 513 | if (count <= count_limit) |
255b5113 MK |
514 | continue; |
515 | ||
516 | if (sgn <= 0) | |
517 | break; | |
518 | ||
519 | sgn = -1 * sgn; | |
520 | count = 200; | |
521 | wait = true; | |
522 | } | |
523 | ||
524 | if ((regs[R_EB10] & 0x3f) >= cid_target) { | |
525 | bcal = 1; | |
526 | *freq_out = freq - 1000000; | |
527 | } else | |
528 | bcal = 0; | |
529 | ||
cf04d29c | 530 | tda_cal("bcal = %d, freq_in = %d, freq_out = %d (freq = %d)\n", |
255b5113 MK |
531 | bcal, *freq_in, *freq_out, freq); |
532 | ||
533 | return bcal; | |
534 | } | |
535 | ||
536 | static int tda18271_powerscan_init(struct dvb_frontend *fe) | |
537 | { | |
538 | struct tda18271_priv *priv = fe->tuner_priv; | |
539 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 540 | int ret; |
255b5113 MK |
541 | |
542 | /* set standard to digital */ | |
543 | regs[R_EP3] &= ~0x1f; /* clear std bits */ | |
544 | regs[R_EP3] |= 0x12; | |
545 | ||
546 | /* set cal mode to normal */ | |
547 | regs[R_EP4] &= ~0x03; | |
548 | ||
44e645c2 | 549 | /* update IF output level */ |
255b5113 MK |
550 | regs[R_EP4] &= ~0x1c; /* clear if level bits */ |
551 | ||
24124f78 | 552 | ret = tda18271_write_regs(fe, R_EP3, 2); |
4bd5d107 | 553 | if (tda_fail(ret)) |
24124f78 | 554 | goto fail; |
255b5113 MK |
555 | |
556 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
24124f78 | 557 | ret = tda18271_write_regs(fe, R_EB18, 1); |
4bd5d107 | 558 | if (tda_fail(ret)) |
24124f78 | 559 | goto fail; |
255b5113 MK |
560 | |
561 | regs[R_EB21] &= ~0x03; /* set agc2_gain to -15 dB */ | |
562 | ||
563 | /* 1.5 MHz low pass filter */ | |
564 | regs[R_EB23] |= 0x04; /* forcelp_fc2_en = 1 */ | |
565 | regs[R_EB23] |= 0x02; /* lp_fc[2] = 1 */ | |
566 | ||
24124f78 MK |
567 | ret = tda18271_write_regs(fe, R_EB21, 3); |
568 | fail: | |
569 | return ret; | |
255b5113 MK |
570 | } |
571 | ||
572 | static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq) | |
573 | { | |
574 | struct tda18271_priv *priv = fe->tuner_priv; | |
575 | struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; | |
576 | unsigned char *regs = priv->tda18271_regs; | |
577 | int bcal, rf, i; | |
3986bd11 | 578 | s32 divisor, dividend; |
255b5113 MK |
579 | #define RF1 0 |
580 | #define RF2 1 | |
581 | #define RF3 2 | |
582 | u32 rf_default[3]; | |
583 | u32 rf_freq[3]; | |
381ad0ea MK |
584 | s32 prog_cal[3]; |
585 | s32 prog_tab[3]; | |
255b5113 MK |
586 | |
587 | i = tda18271_lookup_rf_band(fe, &freq, NULL); | |
588 | ||
4bd5d107 | 589 | if (tda_fail(i)) |
255b5113 MK |
590 | return i; |
591 | ||
592 | rf_default[RF1] = 1000 * map[i].rf1_def; | |
593 | rf_default[RF2] = 1000 * map[i].rf2_def; | |
594 | rf_default[RF3] = 1000 * map[i].rf3_def; | |
595 | ||
596 | for (rf = RF1; rf <= RF3; rf++) { | |
597 | if (0 == rf_default[rf]) | |
598 | return 0; | |
cf04d29c | 599 | tda_cal("freq = %d, rf = %d\n", freq, rf); |
255b5113 MK |
600 | |
601 | /* look for optimized calibration frequency */ | |
602 | bcal = tda18271_powerscan(fe, &rf_default[rf], &rf_freq[rf]); | |
4bd5d107 | 603 | if (tda_fail(bcal)) |
24124f78 | 604 | return bcal; |
255b5113 MK |
605 | |
606 | tda18271_calc_rf_cal(fe, &rf_freq[rf]); | |
381ad0ea | 607 | prog_tab[rf] = (s32)regs[R_EB14]; |
255b5113 MK |
608 | |
609 | if (1 == bcal) | |
381ad0ea MK |
610 | prog_cal[rf] = |
611 | (s32)tda18271_calibrate_rf(fe, rf_freq[rf]); | |
255b5113 MK |
612 | else |
613 | prog_cal[rf] = prog_tab[rf]; | |
614 | ||
615 | switch (rf) { | |
616 | case RF1: | |
617 | map[i].rf_a1 = 0; | |
381ad0ea | 618 | map[i].rf_b1 = (prog_cal[RF1] - prog_tab[RF1]); |
255b5113 MK |
619 | map[i].rf1 = rf_freq[RF1] / 1000; |
620 | break; | |
621 | case RF2: | |
381ad0ea MK |
622 | dividend = (prog_cal[RF2] - prog_tab[RF2] - |
623 | prog_cal[RF1] + prog_tab[RF1]); | |
3986bd11 MK |
624 | divisor = (s32)(rf_freq[RF2] - rf_freq[RF1]) / 1000; |
625 | map[i].rf_a1 = (dividend / divisor); | |
255b5113 MK |
626 | map[i].rf2 = rf_freq[RF2] / 1000; |
627 | break; | |
628 | case RF3: | |
381ad0ea MK |
629 | dividend = (prog_cal[RF3] - prog_tab[RF3] - |
630 | prog_cal[RF2] + prog_tab[RF2]); | |
3986bd11 MK |
631 | divisor = (s32)(rf_freq[RF3] - rf_freq[RF2]) / 1000; |
632 | map[i].rf_a2 = (dividend / divisor); | |
381ad0ea | 633 | map[i].rf_b2 = (prog_cal[RF2] - prog_tab[RF2]); |
255b5113 MK |
634 | map[i].rf3 = rf_freq[RF3] / 1000; |
635 | break; | |
636 | default: | |
637 | BUG(); | |
638 | } | |
639 | } | |
640 | ||
641 | return 0; | |
642 | } | |
643 | ||
09f83c4f | 644 | static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe) |
255b5113 MK |
645 | { |
646 | struct tda18271_priv *priv = fe->tuner_priv; | |
647 | unsigned int i; | |
24124f78 | 648 | int ret; |
255b5113 | 649 | |
36dba13b | 650 | tda_info("performing RF tracking filter calibration\n"); |
255b5113 MK |
651 | |
652 | /* wait for die temperature stabilization */ | |
653 | msleep(200); | |
654 | ||
24124f78 | 655 | ret = tda18271_powerscan_init(fe); |
4bd5d107 | 656 | if (tda_fail(ret)) |
24124f78 | 657 | goto fail; |
255b5113 MK |
658 | |
659 | /* rf band calibration */ | |
c151c32f MK |
660 | for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++) { |
661 | ret = | |
255b5113 MK |
662 | tda18271_rf_tracking_filters_init(fe, 1000 * |
663 | priv->rf_cal_state[i].rfmax); | |
4bd5d107 | 664 | if (tda_fail(ret)) |
c151c32f MK |
665 | goto fail; |
666 | } | |
255b5113 | 667 | |
09f83c4f | 668 | priv->tm_rfcal = tda18271_read_thermometer(fe); |
24124f78 MK |
669 | fail: |
670 | return ret; | |
255b5113 MK |
671 | } |
672 | ||
673 | /* ------------------------------------------------------------------ */ | |
674 | ||
12afe378 | 675 | static int tda18271c2_rf_cal_init(struct dvb_frontend *fe) |
255b5113 MK |
676 | { |
677 | struct tda18271_priv *priv = fe->tuner_priv; | |
839c6c96 | 678 | unsigned char *regs = priv->tda18271_regs; |
24124f78 | 679 | int ret; |
839c6c96 MK |
680 | |
681 | /* test RF_CAL_OK to see if we need init */ | |
682 | if ((regs[R_EP1] & 0x10) == 0) | |
683 | priv->cal_initialized = false; | |
255b5113 MK |
684 | |
685 | if (priv->cal_initialized) | |
686 | return 0; | |
687 | ||
24124f78 | 688 | ret = tda18271_calc_rf_filter_curve(fe); |
4bd5d107 | 689 | if (tda_fail(ret)) |
24124f78 | 690 | goto fail; |
255b5113 | 691 | |
24124f78 | 692 | ret = tda18271_por(fe); |
4bd5d107 | 693 | if (tda_fail(ret)) |
24124f78 | 694 | goto fail; |
255b5113 | 695 | |
36dba13b | 696 | tda_info("RF tracking filter calibration complete\n"); |
6bfa6657 | 697 | |
255b5113 | 698 | priv->cal_initialized = true; |
c151c32f | 699 | goto end; |
24124f78 | 700 | fail: |
36dba13b | 701 | tda_info("RF tracking filter calibration failed!\n"); |
c151c32f | 702 | end: |
24124f78 | 703 | return ret; |
255b5113 MK |
704 | } |
705 | ||
4d2d42bc MK |
706 | static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe, |
707 | u32 freq, u32 bw) | |
5bea1cd3 MK |
708 | { |
709 | struct tda18271_priv *priv = fe->tuner_priv; | |
710 | unsigned char *regs = priv->tda18271_regs; | |
10ed0bf4 | 711 | int ret; |
fe0bf6d7 | 712 | u32 N = 0; |
5bea1cd3 | 713 | |
255b5113 | 714 | /* calculate bp filter */ |
b92bf0f6 | 715 | tda18271_calc_bp_filter(fe, &freq); |
5bea1cd3 MK |
716 | tda18271_write_regs(fe, R_EP1, 1); |
717 | ||
718 | regs[R_EB4] &= 0x07; | |
719 | regs[R_EB4] |= 0x60; | |
720 | tda18271_write_regs(fe, R_EB4, 1); | |
721 | ||
722 | regs[R_EB7] = 0x60; | |
723 | tda18271_write_regs(fe, R_EB7, 1); | |
724 | ||
725 | regs[R_EB14] = 0x00; | |
726 | tda18271_write_regs(fe, R_EB14, 1); | |
727 | ||
728 | regs[R_EB20] = 0xcc; | |
729 | tda18271_write_regs(fe, R_EB20, 1); | |
730 | ||
255b5113 | 731 | /* set cal mode to RF tracking filter calibration */ |
26501a70 | 732 | regs[R_EP4] |= 0x03; |
5bea1cd3 | 733 | |
255b5113 | 734 | /* calculate cal pll */ |
5bea1cd3 MK |
735 | |
736 | switch (priv->mode) { | |
737 | case TDA18271_ANALOG: | |
738 | N = freq - 1250000; | |
739 | break; | |
740 | case TDA18271_DIGITAL: | |
741 | N = freq + bw / 2; | |
742 | break; | |
743 | } | |
744 | ||
fe0bf6d7 | 745 | tda18271_calc_cal_pll(fe, N); |
5bea1cd3 | 746 | |
255b5113 | 747 | /* calculate main pll */ |
5bea1cd3 MK |
748 | |
749 | switch (priv->mode) { | |
750 | case TDA18271_ANALOG: | |
751 | N = freq - 250000; | |
752 | break; | |
753 | case TDA18271_DIGITAL: | |
754 | N = freq + bw / 2 + 1000000; | |
755 | break; | |
756 | } | |
757 | ||
fe0bf6d7 | 758 | tda18271_calc_main_pll(fe, N); |
5bea1cd3 | 759 | |
10ed0bf4 | 760 | ret = tda18271_write_regs(fe, R_EP3, 11); |
4bd5d107 | 761 | if (tda_fail(ret)) |
10ed0bf4 MK |
762 | return ret; |
763 | ||
5bea1cd3 MK |
764 | msleep(5); /* RF tracking filter calibration initialization */ |
765 | ||
255b5113 | 766 | /* search for K,M,CO for RF calibration */ |
b92bf0f6 | 767 | tda18271_calc_km(fe, &freq); |
5bea1cd3 MK |
768 | tda18271_write_regs(fe, R_EB13, 1); |
769 | ||
255b5113 | 770 | /* search for rf band */ |
b92bf0f6 | 771 | tda18271_calc_rf_band(fe, &freq); |
5bea1cd3 | 772 | |
255b5113 | 773 | /* search for gain taper */ |
b92bf0f6 | 774 | tda18271_calc_gain_taper(fe, &freq); |
5bea1cd3 MK |
775 | |
776 | tda18271_write_regs(fe, R_EP2, 1); | |
777 | tda18271_write_regs(fe, R_EP1, 1); | |
778 | tda18271_write_regs(fe, R_EP2, 1); | |
779 | tda18271_write_regs(fe, R_EP1, 1); | |
780 | ||
781 | regs[R_EB4] &= 0x07; | |
782 | regs[R_EB4] |= 0x40; | |
783 | tda18271_write_regs(fe, R_EB4, 1); | |
784 | ||
785 | regs[R_EB7] = 0x40; | |
786 | tda18271_write_regs(fe, R_EB7, 1); | |
4d2d42bc | 787 | msleep(10); /* pll locking */ |
5bea1cd3 MK |
788 | |
789 | regs[R_EB20] = 0xec; | |
790 | tda18271_write_regs(fe, R_EB20, 1); | |
791 | msleep(60); /* RF tracking filter calibration completion */ | |
792 | ||
793 | regs[R_EP4] &= ~0x03; /* set cal mode to normal */ | |
794 | tda18271_write_regs(fe, R_EP4, 1); | |
795 | ||
796 | tda18271_write_regs(fe, R_EP1, 1); | |
797 | ||
b92bf0f6 MK |
798 | /* RF tracking filter correction for VHF_Low band */ |
799 | if (0 == tda18271_calc_rf_cal(fe, &freq)) | |
5bea1cd3 | 800 | tda18271_write_regs(fe, R_EB14, 1); |
5bea1cd3 | 801 | |
4d2d42bc MK |
802 | return 0; |
803 | } | |
804 | ||
d1c53424 MK |
805 | /* ------------------------------------------------------------------ */ |
806 | ||
12afe378 MK |
807 | static int tda18271_ir_cal_init(struct dvb_frontend *fe) |
808 | { | |
809 | struct tda18271_priv *priv = fe->tuner_priv; | |
810 | unsigned char *regs = priv->tda18271_regs; | |
d35fccaf | 811 | int ret; |
12afe378 | 812 | |
d35fccaf | 813 | ret = tda18271_read_regs(fe); |
4bd5d107 | 814 | if (tda_fail(ret)) |
d35fccaf | 815 | goto fail; |
12afe378 MK |
816 | |
817 | /* test IR_CAL_OK to see if we need init */ | |
818 | if ((regs[R_EP1] & 0x08) == 0) | |
d35fccaf MK |
819 | ret = tda18271_init_regs(fe); |
820 | fail: | |
821 | return ret; | |
12afe378 MK |
822 | } |
823 | ||
824 | static int tda18271_init(struct dvb_frontend *fe) | |
825 | { | |
826 | struct tda18271_priv *priv = fe->tuner_priv; | |
d35fccaf | 827 | int ret; |
12afe378 MK |
828 | |
829 | mutex_lock(&priv->lock); | |
830 | ||
4240b460 | 831 | /* full power up */ |
d35fccaf | 832 | ret = tda18271_set_standby_mode(fe, 0, 0, 0); |
4bd5d107 | 833 | if (tda_fail(ret)) |
d35fccaf | 834 | goto fail; |
12afe378 MK |
835 | |
836 | /* initialization */ | |
d35fccaf | 837 | ret = tda18271_ir_cal_init(fe); |
4bd5d107 | 838 | if (tda_fail(ret)) |
d35fccaf | 839 | goto fail; |
12afe378 MK |
840 | |
841 | if (priv->id == TDA18271HDC2) | |
842 | tda18271c2_rf_cal_init(fe); | |
d35fccaf | 843 | fail: |
12afe378 MK |
844 | mutex_unlock(&priv->lock); |
845 | ||
d35fccaf | 846 | return ret; |
12afe378 MK |
847 | } |
848 | ||
cc7e26d4 MK |
849 | static int tda18271_sleep(struct dvb_frontend *fe) |
850 | { | |
851 | struct tda18271_priv *priv = fe->tuner_priv; | |
852 | int ret; | |
853 | ||
854 | mutex_lock(&priv->lock); | |
855 | ||
856 | /* enter standby mode, with required output features enabled */ | |
857 | ret = tda18271_toggle_output(fe, 1); | |
858 | ||
859 | mutex_unlock(&priv->lock); | |
860 | ||
861 | return ret; | |
862 | } | |
863 | ||
adcc4b3e MK |
864 | /* ------------------------------------------------------------------ */ |
865 | ||
866 | static int tda18271_agc(struct dvb_frontend *fe) | |
867 | { | |
868 | struct tda18271_priv *priv = fe->tuner_priv; | |
869 | int ret = 0; | |
870 | ||
871 | switch (priv->config) { | |
1bacb2df | 872 | case TDA8290_LNA_OFF: |
ecda4273 MK |
873 | /* no external agc configuration required */ |
874 | if (tda18271_debug & DBG_ADV) | |
875 | tda_dbg("no agc configuration provided\n"); | |
adcc4b3e | 876 | break; |
1bacb2df | 877 | case TDA8290_LNA_ON_BRIDGE: |
adcc4b3e MK |
878 | /* switch with GPIO of saa713x */ |
879 | tda_dbg("invoking callback\n"); | |
880 | if (fe->callback) | |
881 | ret = fe->callback(priv->i2c_props.adap->algo_data, | |
882 | DVB_FRONTEND_COMPONENT_TUNER, | |
883 | TDA18271_CALLBACK_CMD_AGC_ENABLE, | |
884 | priv->mode); | |
885 | break; | |
1bacb2df OZ |
886 | case TDA8290_LNA_GP0_HIGH_ON: |
887 | case TDA8290_LNA_GP0_HIGH_OFF: | |
adcc4b3e MK |
888 | default: |
889 | /* n/a - currently not supported */ | |
890 | tda_err("unsupported configuration: %d\n", priv->config); | |
891 | ret = -EINVAL; | |
892 | break; | |
893 | } | |
894 | return ret; | |
895 | } | |
896 | ||
d1c53424 | 897 | static int tda18271_tune(struct dvb_frontend *fe, |
c293d0a7 | 898 | struct tda18271_std_map_item *map, u32 freq, u32 bw) |
4d2d42bc MK |
899 | { |
900 | struct tda18271_priv *priv = fe->tuner_priv; | |
d35fccaf | 901 | int ret; |
4d2d42bc | 902 | |
7f7203df MK |
903 | tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n", |
904 | freq, map->if_freq, bw, map->agc_mode, map->std); | |
d1c53424 | 905 | |
adcc4b3e MK |
906 | ret = tda18271_agc(fe); |
907 | if (tda_fail(ret)) | |
908 | tda_warn("failed to configure agc\n"); | |
909 | ||
d35fccaf | 910 | ret = tda18271_init(fe); |
4bd5d107 | 911 | if (tda_fail(ret)) |
d35fccaf | 912 | goto fail; |
4d2d42bc MK |
913 | |
914 | mutex_lock(&priv->lock); | |
915 | ||
ccbac9bb MK |
916 | switch (priv->id) { |
917 | case TDA18271HDC1: | |
d1c53424 | 918 | tda18271c1_rf_tracking_filter_calibration(fe, freq, bw); |
ccbac9bb MK |
919 | break; |
920 | case TDA18271HDC2: | |
d1c53424 | 921 | tda18271c2_rf_tracking_filters_correction(fe, freq); |
ccbac9bb MK |
922 | break; |
923 | } | |
31940e39 | 924 | ret = tda18271_channel_configuration(fe, map, freq, bw); |
d1c53424 MK |
925 | |
926 | mutex_unlock(&priv->lock); | |
d35fccaf MK |
927 | fail: |
928 | return ret; | |
ccbac9bb MK |
929 | } |
930 | ||
5bea1cd3 MK |
931 | /* ------------------------------------------------------------------ */ |
932 | ||
14d24d14 | 933 | static int tda18271_set_params(struct dvb_frontend *fe) |
5bea1cd3 | 934 | { |
5ca1c94d MCC |
935 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
936 | u32 delsys = c->delivery_system; | |
937 | u32 bw = c->bandwidth_hz; | |
938 | u32 freq = c->frequency; | |
5bea1cd3 | 939 | struct tda18271_priv *priv = fe->tuner_priv; |
f21e0d7f | 940 | struct tda18271_std_map *std_map = &priv->std; |
c293d0a7 | 941 | struct tda18271_std_map_item *map; |
ccbac9bb | 942 | int ret; |
5bea1cd3 MK |
943 | |
944 | priv->mode = TDA18271_DIGITAL; | |
945 | ||
5ca1c94d MCC |
946 | switch (delsys) { |
947 | case SYS_ATSC: | |
948 | map = &std_map->atsc_6; | |
5bea1cd3 | 949 | bw = 6000000; |
5ca1c94d | 950 | break; |
083b6b8a | 951 | case SYS_ISDBT: |
5ca1c94d MCC |
952 | case SYS_DVBT: |
953 | case SYS_DVBT2: | |
954 | if (bw <= 6000000) { | |
c293d0a7 | 955 | map = &std_map->dvbt_6; |
5ca1c94d | 956 | } else if (bw <= 7000000) { |
c293d0a7 | 957 | map = &std_map->dvbt_7; |
5ca1c94d | 958 | } else { |
c293d0a7 | 959 | map = &std_map->dvbt_8; |
5bea1cd3 | 960 | } |
5ca1c94d MCC |
961 | break; |
962 | case SYS_DVBC_ANNEX_B: | |
963 | bw = 6000000; | |
964 | /* falltrough */ | |
965 | case SYS_DVBC_ANNEX_A: | |
966 | case SYS_DVBC_ANNEX_C: | |
967 | if (bw <= 6000000) { | |
968 | map = &std_map->qam_6; | |
969 | } else if (bw <= 7000000) { | |
970 | map = &std_map->qam_7; | |
5ca1c94d MCC |
971 | } else { |
972 | map = &std_map->qam_8; | |
5ca1c94d MCC |
973 | } |
974 | break; | |
975 | default: | |
182519f4 | 976 | tda_warn("modulation type not supported!\n"); |
5bea1cd3 MK |
977 | return -EINVAL; |
978 | } | |
979 | ||
ed73683f MK |
980 | /* When tuning digital, the analog demod must be tri-stated */ |
981 | if (fe->ops.analog_ops.standby) | |
982 | fe->ops.analog_ops.standby(fe); | |
983 | ||
c293d0a7 | 984 | ret = tda18271_tune(fe, map, freq, bw); |
ccbac9bb | 985 | |
4bd5d107 | 986 | if (tda_fail(ret)) |
ccbac9bb MK |
987 | goto fail; |
988 | ||
8c8ee113 | 989 | priv->if_freq = map->if_freq; |
ccbac9bb | 990 | priv->frequency = freq; |
c6f56e7d | 991 | priv->bandwidth = bw; |
ccbac9bb MK |
992 | fail: |
993 | return ret; | |
5bea1cd3 MK |
994 | } |
995 | ||
996 | static int tda18271_set_analog_params(struct dvb_frontend *fe, | |
997 | struct analog_parameters *params) | |
998 | { | |
999 | struct tda18271_priv *priv = fe->tuner_priv; | |
f21e0d7f | 1000 | struct tda18271_std_map *std_map = &priv->std; |
c293d0a7 | 1001 | struct tda18271_std_map_item *map; |
5bea1cd3 | 1002 | char *mode; |
c293d0a7 | 1003 | int ret; |
4d831787 MK |
1004 | u32 freq = params->frequency * 125 * |
1005 | ((params->mode == V4L2_TUNER_RADIO) ? 1 : 1000) / 2; | |
5bea1cd3 MK |
1006 | |
1007 | priv->mode = TDA18271_ANALOG; | |
1008 | ||
c353f42f | 1009 | if (params->mode == V4L2_TUNER_RADIO) { |
c293d0a7 | 1010 | map = &std_map->fm_radio; |
c353f42f MK |
1011 | mode = "fm"; |
1012 | } else if (params->std & V4L2_STD_MN) { | |
c293d0a7 | 1013 | map = &std_map->atv_mn; |
5bea1cd3 MK |
1014 | mode = "MN"; |
1015 | } else if (params->std & V4L2_STD_B) { | |
c293d0a7 | 1016 | map = &std_map->atv_b; |
5bea1cd3 MK |
1017 | mode = "B"; |
1018 | } else if (params->std & V4L2_STD_GH) { | |
c293d0a7 | 1019 | map = &std_map->atv_gh; |
5bea1cd3 MK |
1020 | mode = "GH"; |
1021 | } else if (params->std & V4L2_STD_PAL_I) { | |
c293d0a7 | 1022 | map = &std_map->atv_i; |
5bea1cd3 MK |
1023 | mode = "I"; |
1024 | } else if (params->std & V4L2_STD_DK) { | |
c293d0a7 | 1025 | map = &std_map->atv_dk; |
5bea1cd3 MK |
1026 | mode = "DK"; |
1027 | } else if (params->std & V4L2_STD_SECAM_L) { | |
c293d0a7 | 1028 | map = &std_map->atv_l; |
5bea1cd3 MK |
1029 | mode = "L"; |
1030 | } else if (params->std & V4L2_STD_SECAM_LC) { | |
c293d0a7 | 1031 | map = &std_map->atv_lc; |
95af8a26 | 1032 | mode = "L'"; |
5bea1cd3 | 1033 | } else { |
c293d0a7 | 1034 | map = &std_map->atv_i; |
5bea1cd3 MK |
1035 | mode = "xx"; |
1036 | } | |
1037 | ||
182519f4 | 1038 | tda_dbg("setting tda18271 to system %s\n", mode); |
5bea1cd3 | 1039 | |
c293d0a7 | 1040 | ret = tda18271_tune(fe, map, freq, 0); |
ccbac9bb | 1041 | |
4bd5d107 | 1042 | if (tda_fail(ret)) |
ccbac9bb MK |
1043 | goto fail; |
1044 | ||
8c8ee113 | 1045 | priv->if_freq = map->if_freq; |
ccbac9bb MK |
1046 | priv->frequency = freq; |
1047 | priv->bandwidth = 0; | |
1048 | fail: | |
1049 | return ret; | |
5bea1cd3 MK |
1050 | } |
1051 | ||
1052 | static int tda18271_release(struct dvb_frontend *fe) | |
1053 | { | |
a4f263b5 MK |
1054 | struct tda18271_priv *priv = fe->tuner_priv; |
1055 | ||
1056 | mutex_lock(&tda18271_list_mutex); | |
1057 | ||
f9e315a1 MK |
1058 | if (priv) |
1059 | hybrid_tuner_release_state(priv); | |
a4f263b5 | 1060 | |
a4f263b5 MK |
1061 | mutex_unlock(&tda18271_list_mutex); |
1062 | ||
5bea1cd3 | 1063 | fe->tuner_priv = NULL; |
a4f263b5 | 1064 | |
5bea1cd3 MK |
1065 | return 0; |
1066 | } | |
1067 | ||
1068 | static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
1069 | { | |
1070 | struct tda18271_priv *priv = fe->tuner_priv; | |
1071 | *frequency = priv->frequency; | |
1072 | return 0; | |
1073 | } | |
1074 | ||
1075 | static int tda18271_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
1076 | { | |
1077 | struct tda18271_priv *priv = fe->tuner_priv; | |
1078 | *bandwidth = priv->bandwidth; | |
1079 | return 0; | |
1080 | } | |
1081 | ||
8c8ee113 MK |
1082 | static int tda18271_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) |
1083 | { | |
1084 | struct tda18271_priv *priv = fe->tuner_priv; | |
1085 | *frequency = (u32)priv->if_freq * 1000; | |
1086 | return 0; | |
1087 | } | |
1088 | ||
f21e0d7f MK |
1089 | /* ------------------------------------------------------------------ */ |
1090 | ||
1091 | #define tda18271_update_std(std_cfg, name) do { \ | |
7f7203df | 1092 | if (map->std_cfg.if_freq + \ |
c735372f MK |
1093 | map->std_cfg.agc_mode + map->std_cfg.std + \ |
1094 | map->std_cfg.if_lvl + map->std_cfg.rfagc_top > 0) { \ | |
f21e0d7f MK |
1095 | tda_dbg("Using custom std config for %s\n", name); \ |
1096 | memcpy(&std->std_cfg, &map->std_cfg, \ | |
1097 | sizeof(struct tda18271_std_map_item)); \ | |
1098 | } } while (0) | |
1099 | ||
1100 | #define tda18271_dump_std_item(std_cfg, name) do { \ | |
c735372f MK |
1101 | tda_dbg("(%s) if_freq = %d, agc_mode = %d, std = %d, " \ |
1102 | "if_lvl = %d, rfagc_top = 0x%02x\n", \ | |
7f7203df | 1103 | name, std->std_cfg.if_freq, \ |
c735372f MK |
1104 | std->std_cfg.agc_mode, std->std_cfg.std, \ |
1105 | std->std_cfg.if_lvl, std->std_cfg.rfagc_top); \ | |
f21e0d7f MK |
1106 | } while (0) |
1107 | ||
1108 | static int tda18271_dump_std_map(struct dvb_frontend *fe) | |
1109 | { | |
1110 | struct tda18271_priv *priv = fe->tuner_priv; | |
1111 | struct tda18271_std_map *std = &priv->std; | |
1112 | ||
1113 | tda_dbg("========== STANDARD MAP SETTINGS ==========\n"); | |
c735372f MK |
1114 | tda18271_dump_std_item(fm_radio, " fm "); |
1115 | tda18271_dump_std_item(atv_b, "atv b "); | |
1116 | tda18271_dump_std_item(atv_dk, "atv dk"); | |
1117 | tda18271_dump_std_item(atv_gh, "atv gh"); | |
1118 | tda18271_dump_std_item(atv_i, "atv i "); | |
1119 | tda18271_dump_std_item(atv_l, "atv l "); | |
1120 | tda18271_dump_std_item(atv_lc, "atv l'"); | |
f21e0d7f MK |
1121 | tda18271_dump_std_item(atv_mn, "atv mn"); |
1122 | tda18271_dump_std_item(atsc_6, "atsc 6"); | |
1123 | tda18271_dump_std_item(dvbt_6, "dvbt 6"); | |
1124 | tda18271_dump_std_item(dvbt_7, "dvbt 7"); | |
1125 | tda18271_dump_std_item(dvbt_8, "dvbt 8"); | |
c735372f | 1126 | tda18271_dump_std_item(qam_6, "qam 6 "); |
4e791048 | 1127 | tda18271_dump_std_item(qam_7, "qam 7 "); |
c735372f | 1128 | tda18271_dump_std_item(qam_8, "qam 8 "); |
f21e0d7f MK |
1129 | |
1130 | return 0; | |
1131 | } | |
1132 | ||
1133 | static int tda18271_update_std_map(struct dvb_frontend *fe, | |
1134 | struct tda18271_std_map *map) | |
1135 | { | |
1136 | struct tda18271_priv *priv = fe->tuner_priv; | |
1137 | struct tda18271_std_map *std = &priv->std; | |
1138 | ||
1139 | if (!map) | |
1140 | return -EINVAL; | |
1141 | ||
c353f42f | 1142 | tda18271_update_std(fm_radio, "fm"); |
f21e0d7f MK |
1143 | tda18271_update_std(atv_b, "atv b"); |
1144 | tda18271_update_std(atv_dk, "atv dk"); | |
1145 | tda18271_update_std(atv_gh, "atv gh"); | |
1146 | tda18271_update_std(atv_i, "atv i"); | |
1147 | tda18271_update_std(atv_l, "atv l"); | |
1148 | tda18271_update_std(atv_lc, "atv l'"); | |
1149 | tda18271_update_std(atv_mn, "atv mn"); | |
1150 | tda18271_update_std(atsc_6, "atsc 6"); | |
1151 | tda18271_update_std(dvbt_6, "dvbt 6"); | |
1152 | tda18271_update_std(dvbt_7, "dvbt 7"); | |
1153 | tda18271_update_std(dvbt_8, "dvbt 8"); | |
1154 | tda18271_update_std(qam_6, "qam 6"); | |
4e791048 | 1155 | tda18271_update_std(qam_7, "qam 7"); |
f21e0d7f MK |
1156 | tda18271_update_std(qam_8, "qam 8"); |
1157 | ||
1158 | return 0; | |
1159 | } | |
1160 | ||
49e7aaf0 MK |
1161 | static int tda18271_get_id(struct dvb_frontend *fe) |
1162 | { | |
1163 | struct tda18271_priv *priv = fe->tuner_priv; | |
1164 | unsigned char *regs = priv->tda18271_regs; | |
1165 | char *name; | |
351d1878 | 1166 | int ret; |
49e7aaf0 | 1167 | |
8d316bf5 | 1168 | mutex_lock(&priv->lock); |
351d1878 | 1169 | ret = tda18271_read_regs(fe); |
8d316bf5 | 1170 | mutex_unlock(&priv->lock); |
49e7aaf0 | 1171 | |
351d1878 MK |
1172 | if (ret) { |
1173 | tda_info("Error reading device ID @ %d-%04x, bailing out.\n", | |
1174 | i2c_adapter_id(priv->i2c_props.adap), | |
1175 | priv->i2c_props.addr); | |
1176 | return -EIO; | |
1177 | } | |
1178 | ||
49e7aaf0 MK |
1179 | switch (regs[R_ID] & 0x7f) { |
1180 | case 3: | |
1181 | name = "TDA18271HD/C1"; | |
255b5113 | 1182 | priv->id = TDA18271HDC1; |
49e7aaf0 MK |
1183 | break; |
1184 | case 4: | |
1185 | name = "TDA18271HD/C2"; | |
255b5113 | 1186 | priv->id = TDA18271HDC2; |
49e7aaf0 MK |
1187 | break; |
1188 | default: | |
bfc3d57f MCC |
1189 | tda_info("Unknown device (%i) detected @ %d-%04x, device not supported.\n", |
1190 | regs[R_ID], i2c_adapter_id(priv->i2c_props.adap), | |
1191 | priv->i2c_props.addr); | |
1192 | return -EINVAL; | |
49e7aaf0 MK |
1193 | } |
1194 | ||
bfc3d57f MCC |
1195 | tda_info("%s detected @ %d-%04x\n", name, |
1196 | i2c_adapter_id(priv->i2c_props.adap), priv->i2c_props.addr); | |
49e7aaf0 | 1197 | |
bfc3d57f | 1198 | return 0; |
49e7aaf0 MK |
1199 | } |
1200 | ||
c54e1dde MK |
1201 | static int tda18271_setup_configuration(struct dvb_frontend *fe, |
1202 | struct tda18271_config *cfg) | |
42f9a03e MK |
1203 | { |
1204 | struct tda18271_priv *priv = fe->tuner_priv; | |
42f9a03e MK |
1205 | |
1206 | priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO; | |
1207 | priv->role = (cfg) ? cfg->role : TDA18271_MASTER; | |
1208 | priv->config = (cfg) ? cfg->config : 0; | |
1209 | priv->small_i2c = (cfg) ? | |
1210 | cfg->small_i2c : TDA18271_39_BYTE_CHUNK_INIT; | |
1211 | priv->output_opt = (cfg) ? | |
1212 | cfg->output_opt : TDA18271_OUTPUT_LT_XT_ON; | |
1213 | ||
42f9a03e MK |
1214 | return 0; |
1215 | } | |
1216 | ||
5881ecfc MK |
1217 | static inline int tda18271_need_cal_on_startup(struct tda18271_config *cfg) |
1218 | { | |
1219 | /* tda18271_cal_on_startup == -1 when cal module option is unset */ | |
1220 | return ((tda18271_cal_on_startup == -1) ? | |
1221 | /* honor configuration setting */ | |
1222 | ((cfg) && (cfg->rf_cal_on_startup)) : | |
1223 | /* module option overrides configuration setting */ | |
1224 | (tda18271_cal_on_startup)) ? 1 : 0; | |
1225 | } | |
1226 | ||
c54e1dde MK |
1227 | static int tda18271_set_config(struct dvb_frontend *fe, void *priv_cfg) |
1228 | { | |
1229 | struct tda18271_config *cfg = (struct tda18271_config *) priv_cfg; | |
c54e1dde MK |
1230 | |
1231 | tda18271_setup_configuration(fe, cfg); | |
1232 | ||
5881ecfc | 1233 | if (tda18271_need_cal_on_startup(cfg)) |
c54e1dde MK |
1234 | tda18271_init(fe); |
1235 | ||
972aacc2 MK |
1236 | /* override default std map with values in config struct */ |
1237 | if ((cfg) && (cfg->std_map)) | |
1238 | tda18271_update_std_map(fe, cfg->std_map); | |
1239 | ||
c54e1dde MK |
1240 | return 0; |
1241 | } | |
1242 | ||
0b8bd83c | 1243 | static const struct dvb_tuner_ops tda18271_tuner_ops = { |
5bea1cd3 MK |
1244 | .info = { |
1245 | .name = "NXP TDA18271HD", | |
1246 | .frequency_min = 45000000, | |
1247 | .frequency_max = 864000000, | |
1248 | .frequency_step = 62500 | |
1249 | }, | |
efce8410 | 1250 | .init = tda18271_init, |
518d8739 | 1251 | .sleep = tda18271_sleep, |
5bea1cd3 MK |
1252 | .set_params = tda18271_set_params, |
1253 | .set_analog_params = tda18271_set_analog_params, | |
1254 | .release = tda18271_release, | |
42f9a03e | 1255 | .set_config = tda18271_set_config, |
5bea1cd3 MK |
1256 | .get_frequency = tda18271_get_frequency, |
1257 | .get_bandwidth = tda18271_get_bandwidth, | |
8c8ee113 | 1258 | .get_if_frequency = tda18271_get_if_frequency, |
5bea1cd3 MK |
1259 | }; |
1260 | ||
1261 | struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, | |
e435f95c | 1262 | struct i2c_adapter *i2c, |
f21e0d7f | 1263 | struct tda18271_config *cfg) |
5bea1cd3 MK |
1264 | { |
1265 | struct tda18271_priv *priv = NULL; | |
fab9bfbe | 1266 | int instance, ret; |
a4f263b5 MK |
1267 | |
1268 | mutex_lock(&tda18271_list_mutex); | |
1269 | ||
f9e315a1 MK |
1270 | instance = hybrid_tuner_request_state(struct tda18271_priv, priv, |
1271 | hybrid_tuner_instance_list, | |
1272 | i2c, addr, "tda18271"); | |
1273 | switch (instance) { | |
1274 | case 0: | |
1275 | goto fail; | |
f9e315a1 MK |
1276 | case 1: |
1277 | /* new tuner instance */ | |
42f9a03e MK |
1278 | fe->tuner_priv = priv; |
1279 | ||
c54e1dde | 1280 | tda18271_setup_configuration(fe, cfg); |
81016b49 | 1281 | |
a4f263b5 MK |
1282 | priv->cal_initialized = false; |
1283 | mutex_init(&priv->lock); | |
5bea1cd3 | 1284 | |
fab9bfbe MK |
1285 | ret = tda18271_get_id(fe); |
1286 | if (tda_fail(ret)) | |
a4f263b5 | 1287 | goto fail; |
49e7aaf0 | 1288 | |
fab9bfbe MK |
1289 | ret = tda18271_assign_map_layout(fe); |
1290 | if (tda_fail(ret)) | |
a4f263b5 | 1291 | goto fail; |
255b5113 | 1292 | |
6b82e0cf MK |
1293 | /* if delay_cal is set, delay IR & RF calibration until init() |
1294 | * module option 'cal' overrides this delay */ | |
1295 | if ((cfg->delay_cal) && (!tda18271_need_cal_on_startup(cfg))) | |
1296 | break; | |
1297 | ||
a4f263b5 MK |
1298 | mutex_lock(&priv->lock); |
1299 | tda18271_init_regs(fe); | |
0f96251e | 1300 | |
5881ecfc MK |
1301 | if ((tda18271_need_cal_on_startup(cfg)) && |
1302 | (priv->id == TDA18271HDC2)) | |
12afe378 | 1303 | tda18271c2_rf_cal_init(fe); |
0f96251e | 1304 | |
4cfae675 MK |
1305 | /* enter standby mode, with required output features enabled */ |
1306 | ret = tda18271_toggle_output(fe, 1); | |
1307 | tda_fail(ret); | |
1308 | ||
a4f263b5 | 1309 | mutex_unlock(&priv->lock); |
f9e315a1 MK |
1310 | break; |
1311 | default: | |
1312 | /* existing tuner instance */ | |
1313 | fe->tuner_priv = priv; | |
1314 | ||
d5abef6b MK |
1315 | /* allow dvb driver to override configuration settings */ |
1316 | if (cfg) { | |
1317 | if (cfg->gate != TDA18271_GATE_ANALOG) | |
1318 | priv->gate = cfg->gate; | |
1319 | if (cfg->role) | |
1320 | priv->role = cfg->role; | |
1321 | if (cfg->config) | |
1322 | priv->config = cfg->config; | |
1323 | if (cfg->small_i2c) | |
1324 | priv->small_i2c = cfg->small_i2c; | |
1325 | if (cfg->output_opt) | |
1326 | priv->output_opt = cfg->output_opt; | |
42f9a03e MK |
1327 | if (cfg->std_map) |
1328 | tda18271_update_std_map(fe, cfg->std_map); | |
d5abef6b | 1329 | } |
5881ecfc | 1330 | if (tda18271_need_cal_on_startup(cfg)) |
188ea058 | 1331 | tda18271_init(fe); |
f9e315a1 | 1332 | break; |
a4f263b5 | 1333 | } |
5bea1cd3 | 1334 | |
972aacc2 MK |
1335 | /* override default std map with values in config struct */ |
1336 | if ((cfg) && (cfg->std_map)) | |
1337 | tda18271_update_std_map(fe, cfg->std_map); | |
1338 | ||
a4f263b5 | 1339 | mutex_unlock(&tda18271_list_mutex); |
8d316bf5 | 1340 | |
a4f263b5 MK |
1341 | memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops, |
1342 | sizeof(struct dvb_tuner_ops)); | |
efce8410 | 1343 | |
c735372f | 1344 | if (tda18271_debug & (DBG_MAP | DBG_ADV)) |
a4f263b5 | 1345 | tda18271_dump_std_map(fe); |
8d316bf5 | 1346 | |
5bea1cd3 | 1347 | return fe; |
49e7aaf0 | 1348 | fail: |
a4f263b5 MK |
1349 | mutex_unlock(&tda18271_list_mutex); |
1350 | ||
49e7aaf0 MK |
1351 | tda18271_release(fe); |
1352 | return NULL; | |
5bea1cd3 MK |
1353 | } |
1354 | EXPORT_SYMBOL_GPL(tda18271_attach); | |
1355 | MODULE_DESCRIPTION("NXP TDA18271HD analog / digital tuner driver"); | |
1356 | MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>"); | |
1357 | MODULE_LICENSE("GPL"); | |
5abaa530 | 1358 | MODULE_VERSION("0.4"); |