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Commit | Line | Data |
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5bea1cd3 | 1 | /* |
6ca04de3 | 2 | tda18271-fe.c - driver for the Philips / NXP TDA18271 silicon tuner |
5bea1cd3 | 3 | |
59067f7e | 4 | Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org> |
5bea1cd3 MK |
5 | |
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | */ | |
20 | ||
5bea1cd3 MK |
21 | #include <linux/delay.h> |
22 | #include <linux/videodev2.h> | |
6ca04de3 | 23 | #include "tda18271-priv.h" |
5bea1cd3 | 24 | |
b5f3e1e1 | 25 | int tda18271_debug; |
54465b08 | 26 | module_param_named(debug, tda18271_debug, int, 0644); |
0e1fab90 | 27 | MODULE_PARM_DESC(debug, "set debug level " |
cf04d29c | 28 | "(info=1, map=2, reg=4, adv=8, cal=16 (or-able))"); |
5bea1cd3 | 29 | |
81016b49 | 30 | static int tda18271_cal_on_startup = -1; |
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 | ||
4240b460 MK |
39 | static int tda18271_toggle_output(struct dvb_frontend *fe, int standby) |
40 | { | |
41 | struct tda18271_priv *priv = fe->tuner_priv; | |
42 | ||
43 | int ret = tda18271_set_standby_mode(fe, standby ? 1 : 0, | |
44 | priv->output_opt & TDA18271_OUTPUT_LT_OFF ? 1 : 0, | |
45 | priv->output_opt & TDA18271_OUTPUT_XT_OFF ? 1 : 0); | |
46 | ||
47 | if (tda_fail(ret)) | |
48 | goto fail; | |
49 | ||
50 | tda_dbg("%s mode: xtal oscillator %s, slave tuner loop thru %s\n", | |
51 | standby ? "standby" : "active", | |
52 | priv->output_opt & TDA18271_OUTPUT_XT_OFF ? "off" : "on", | |
53 | priv->output_opt & TDA18271_OUTPUT_LT_OFF ? "off" : "on"); | |
54 | fail: | |
55 | return ret; | |
56 | } | |
57 | ||
58 | /*---------------------------------------------------------------------*/ | |
59 | ||
868f5ccd MK |
60 | static inline int charge_pump_source(struct dvb_frontend *fe, int force) |
61 | { | |
62 | struct tda18271_priv *priv = fe->tuner_priv; | |
63 | return tda18271_charge_pump_source(fe, | |
64 | (priv->role == TDA18271_SLAVE) ? | |
65 | TDA18271_CAL_PLL : | |
66 | TDA18271_MAIN_PLL, force); | |
67 | } | |
68 | ||
44e645c2 MK |
69 | static inline void tda18271_set_if_notch(struct dvb_frontend *fe) |
70 | { | |
71 | struct tda18271_priv *priv = fe->tuner_priv; | |
72 | unsigned char *regs = priv->tda18271_regs; | |
73 | ||
74 | switch (priv->mode) { | |
75 | case TDA18271_ANALOG: | |
76 | regs[R_MPD] &= ~0x80; /* IF notch = 0 */ | |
77 | break; | |
78 | case TDA18271_DIGITAL: | |
79 | regs[R_MPD] |= 0x80; /* IF notch = 1 */ | |
80 | break; | |
81 | } | |
82 | } | |
83 | ||
255b5113 | 84 | static int tda18271_channel_configuration(struct dvb_frontend *fe, |
c293d0a7 MK |
85 | struct tda18271_std_map_item *map, |
86 | u32 freq, u32 bw) | |
255b5113 MK |
87 | { |
88 | struct tda18271_priv *priv = fe->tuner_priv; | |
89 | unsigned char *regs = priv->tda18271_regs; | |
31940e39 | 90 | int ret; |
255b5113 MK |
91 | u32 N; |
92 | ||
93 | /* update TV broadcast parameters */ | |
94 | ||
95 | /* set standard */ | |
96 | regs[R_EP3] &= ~0x1f; /* clear std bits */ | |
7f7203df | 97 | regs[R_EP3] |= (map->agc_mode << 3) | map->std; |
255b5113 | 98 | |
51858d13 MK |
99 | if (priv->id == TDA18271HDC2) { |
100 | /* set rfagc to high speed mode */ | |
101 | regs[R_EP3] &= ~0x04; | |
102 | } | |
40194b2b | 103 | |
255b5113 MK |
104 | /* set cal mode to normal */ |
105 | regs[R_EP4] &= ~0x03; | |
106 | ||
44e645c2 | 107 | /* update IF output level */ |
255b5113 | 108 | regs[R_EP4] &= ~0x1c; /* clear if level bits */ |
14c74b23 | 109 | regs[R_EP4] |= (map->if_lvl << 2); |
255b5113 | 110 | |
c293d0a7 MK |
111 | /* update FM_RFn */ |
112 | regs[R_EP4] &= ~0x80; | |
113 | regs[R_EP4] |= map->fm_rfn << 7; | |
255b5113 | 114 | |
c0dc0c11 MK |
115 | /* update rf top / if top */ |
116 | regs[R_EB22] = 0x00; | |
117 | regs[R_EB22] |= map->rfagc_top; | |
31940e39 | 118 | ret = tda18271_write_regs(fe, R_EB22, 1); |
4bd5d107 | 119 | if (tda_fail(ret)) |
31940e39 | 120 | goto fail; |
255b5113 MK |
121 | |
122 | /* --------------------------------------------------------------- */ | |
123 | ||
124 | /* disable Power Level Indicator */ | |
125 | regs[R_EP1] |= 0x40; | |
126 | ||
7ae1ac4c MK |
127 | /* make sure thermometer is off */ |
128 | regs[R_TM] &= ~0x10; | |
129 | ||
255b5113 MK |
130 | /* frequency dependent parameters */ |
131 | ||
132 | tda18271_calc_ir_measure(fe, &freq); | |
133 | ||
134 | tda18271_calc_bp_filter(fe, &freq); | |
135 | ||
136 | tda18271_calc_rf_band(fe, &freq); | |
137 | ||
138 | tda18271_calc_gain_taper(fe, &freq); | |
139 | ||
140 | /* --------------------------------------------------------------- */ | |
141 | ||
142 | /* dual tuner and agc1 extra configuration */ | |
143 | ||
868f5ccd MK |
144 | switch (priv->role) { |
145 | case TDA18271_MASTER: | |
146 | regs[R_EB1] |= 0x04; /* main vco */ | |
147 | break; | |
148 | case TDA18271_SLAVE: | |
149 | regs[R_EB1] &= ~0x04; /* cal vco */ | |
150 | break; | |
151 | } | |
255b5113 MK |
152 | |
153 | /* agc1 always active */ | |
154 | regs[R_EB1] &= ~0x02; | |
155 | ||
156 | /* agc1 has priority on agc2 */ | |
157 | regs[R_EB1] &= ~0x01; | |
158 | ||
31940e39 | 159 | ret = tda18271_write_regs(fe, R_EB1, 1); |
4bd5d107 | 160 | if (tda_fail(ret)) |
31940e39 | 161 | goto fail; |
255b5113 MK |
162 | |
163 | /* --------------------------------------------------------------- */ | |
164 | ||
c293d0a7 | 165 | N = map->if_freq * 1000 + freq; |
255b5113 | 166 | |
868f5ccd MK |
167 | switch (priv->role) { |
168 | case TDA18271_MASTER: | |
169 | tda18271_calc_main_pll(fe, N); | |
44e645c2 | 170 | tda18271_set_if_notch(fe); |
868f5ccd MK |
171 | tda18271_write_regs(fe, R_MPD, 4); |
172 | break; | |
173 | case TDA18271_SLAVE: | |
174 | tda18271_calc_cal_pll(fe, N); | |
175 | tda18271_write_regs(fe, R_CPD, 4); | |
176 | ||
177 | regs[R_MPD] = regs[R_CPD] & 0x7f; | |
44e645c2 | 178 | tda18271_set_if_notch(fe); |
868f5ccd MK |
179 | tda18271_write_regs(fe, R_MPD, 1); |
180 | break; | |
181 | } | |
255b5113 | 182 | |
31940e39 | 183 | ret = tda18271_write_regs(fe, R_TM, 7); |
4bd5d107 | 184 | if (tda_fail(ret)) |
31940e39 | 185 | goto fail; |
255b5113 | 186 | |
868f5ccd MK |
187 | /* force charge pump source */ |
188 | charge_pump_source(fe, 1); | |
255b5113 MK |
189 | |
190 | msleep(1); | |
191 | ||
868f5ccd MK |
192 | /* return pll to normal operation */ |
193 | charge_pump_source(fe, 0); | |
255b5113 | 194 | |
40194b2b MK |
195 | msleep(20); |
196 | ||
51858d13 MK |
197 | if (priv->id == TDA18271HDC2) { |
198 | /* set rfagc to normal speed mode */ | |
199 | if (map->fm_rfn) | |
200 | regs[R_EP3] &= ~0x04; | |
201 | else | |
202 | regs[R_EP3] |= 0x04; | |
203 | ret = tda18271_write_regs(fe, R_EP3, 1); | |
204 | } | |
31940e39 MK |
205 | fail: |
206 | return ret; | |
255b5113 MK |
207 | } |
208 | ||
209 | static int tda18271_read_thermometer(struct dvb_frontend *fe) | |
210 | { | |
211 | struct tda18271_priv *priv = fe->tuner_priv; | |
212 | unsigned char *regs = priv->tda18271_regs; | |
213 | int tm; | |
214 | ||
215 | /* switch thermometer on */ | |
216 | regs[R_TM] |= 0x10; | |
217 | tda18271_write_regs(fe, R_TM, 1); | |
218 | ||
219 | /* read thermometer info */ | |
220 | tda18271_read_regs(fe); | |
221 | ||
222 | if ((((regs[R_TM] & 0x0f) == 0x00) && ((regs[R_TM] & 0x20) == 0x20)) || | |
223 | (((regs[R_TM] & 0x0f) == 0x08) && ((regs[R_TM] & 0x20) == 0x00))) { | |
224 | ||
225 | if ((regs[R_TM] & 0x20) == 0x20) | |
226 | regs[R_TM] &= ~0x20; | |
227 | else | |
228 | regs[R_TM] |= 0x20; | |
229 | ||
230 | tda18271_write_regs(fe, R_TM, 1); | |
231 | ||
232 | msleep(10); /* temperature sensing */ | |
233 | ||
234 | /* read thermometer info */ | |
235 | tda18271_read_regs(fe); | |
236 | } | |
237 | ||
238 | tm = tda18271_lookup_thermometer(fe); | |
239 | ||
240 | /* switch thermometer off */ | |
241 | regs[R_TM] &= ~0x10; | |
242 | tda18271_write_regs(fe, R_TM, 1); | |
243 | ||
244 | /* set CAL mode to normal */ | |
245 | regs[R_EP4] &= ~0x03; | |
246 | tda18271_write_regs(fe, R_EP4, 1); | |
247 | ||
248 | return tm; | |
249 | } | |
250 | ||
12afe378 MK |
251 | /* ------------------------------------------------------------------ */ |
252 | ||
d1c53424 MK |
253 | static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe, |
254 | u32 freq) | |
255b5113 MK |
255 | { |
256 | struct tda18271_priv *priv = fe->tuner_priv; | |
257 | struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; | |
258 | unsigned char *regs = priv->tda18271_regs; | |
20f42063 | 259 | int tm_current, rfcal_comp, approx, i, ret; |
255b5113 MK |
260 | u8 dc_over_dt, rf_tab; |
261 | ||
262 | /* power up */ | |
20f42063 | 263 | ret = tda18271_set_standby_mode(fe, 0, 0, 0); |
4bd5d107 | 264 | if (tda_fail(ret)) |
20f42063 | 265 | goto fail; |
255b5113 MK |
266 | |
267 | /* read die current temperature */ | |
268 | tm_current = tda18271_read_thermometer(fe); | |
269 | ||
270 | /* frequency dependent parameters */ | |
271 | ||
272 | tda18271_calc_rf_cal(fe, &freq); | |
273 | rf_tab = regs[R_EB14]; | |
274 | ||
275 | i = tda18271_lookup_rf_band(fe, &freq, NULL); | |
4bd5d107 MK |
276 | if (tda_fail(i)) |
277 | return i; | |
255b5113 MK |
278 | |
279 | if ((0 == map[i].rf3) || (freq / 1000 < map[i].rf2)) { | |
280 | approx = map[i].rf_a1 * | |
281 | (freq / 1000 - map[i].rf1) + map[i].rf_b1 + rf_tab; | |
282 | } else { | |
283 | approx = map[i].rf_a2 * | |
284 | (freq / 1000 - map[i].rf2) + map[i].rf_b2 + rf_tab; | |
285 | } | |
286 | ||
287 | if (approx < 0) | |
288 | approx = 0; | |
289 | if (approx > 255) | |
290 | approx = 255; | |
291 | ||
292 | tda18271_lookup_map(fe, RF_CAL_DC_OVER_DT, &freq, &dc_over_dt); | |
293 | ||
294 | /* calculate temperature compensation */ | |
09f83c4f | 295 | rfcal_comp = dc_over_dt * (tm_current - priv->tm_rfcal); |
255b5113 MK |
296 | |
297 | regs[R_EB14] = approx + rfcal_comp; | |
20f42063 MK |
298 | ret = tda18271_write_regs(fe, R_EB14, 1); |
299 | fail: | |
300 | return ret; | |
255b5113 MK |
301 | } |
302 | ||
303 | static int tda18271_por(struct dvb_frontend *fe) | |
304 | { | |
305 | struct tda18271_priv *priv = fe->tuner_priv; | |
306 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 307 | int ret; |
255b5113 MK |
308 | |
309 | /* power up detector 1 */ | |
310 | regs[R_EB12] &= ~0x20; | |
24124f78 | 311 | ret = tda18271_write_regs(fe, R_EB12, 1); |
4bd5d107 | 312 | if (tda_fail(ret)) |
24124f78 | 313 | goto fail; |
255b5113 MK |
314 | |
315 | regs[R_EB18] &= ~0x80; /* turn agc1 loop on */ | |
316 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
24124f78 | 317 | ret = tda18271_write_regs(fe, R_EB18, 1); |
4bd5d107 | 318 | if (tda_fail(ret)) |
24124f78 | 319 | goto fail; |
255b5113 MK |
320 | |
321 | regs[R_EB21] |= 0x03; /* set agc2_gain to -6 dB */ | |
322 | ||
323 | /* POR mode */ | |
24124f78 | 324 | ret = tda18271_set_standby_mode(fe, 1, 0, 0); |
4bd5d107 | 325 | if (tda_fail(ret)) |
24124f78 | 326 | goto fail; |
255b5113 MK |
327 | |
328 | /* disable 1.5 MHz low pass filter */ | |
329 | regs[R_EB23] &= ~0x04; /* forcelp_fc2_en = 0 */ | |
330 | regs[R_EB23] &= ~0x02; /* XXX: lp_fc[2] = 0 */ | |
24124f78 MK |
331 | ret = tda18271_write_regs(fe, R_EB21, 3); |
332 | fail: | |
333 | return ret; | |
255b5113 MK |
334 | } |
335 | ||
336 | static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq) | |
337 | { | |
338 | struct tda18271_priv *priv = fe->tuner_priv; | |
339 | unsigned char *regs = priv->tda18271_regs; | |
340 | u32 N; | |
341 | ||
342 | /* set CAL mode to normal */ | |
343 | regs[R_EP4] &= ~0x03; | |
344 | tda18271_write_regs(fe, R_EP4, 1); | |
345 | ||
346 | /* switch off agc1 */ | |
347 | regs[R_EP3] |= 0x40; /* sm_lt = 1 */ | |
348 | ||
349 | regs[R_EB18] |= 0x03; /* set agc1_gain to 15 dB */ | |
350 | tda18271_write_regs(fe, R_EB18, 1); | |
351 | ||
352 | /* frequency dependent parameters */ | |
353 | ||
354 | tda18271_calc_bp_filter(fe, &freq); | |
355 | tda18271_calc_gain_taper(fe, &freq); | |
356 | tda18271_calc_rf_band(fe, &freq); | |
357 | tda18271_calc_km(fe, &freq); | |
358 | ||
359 | tda18271_write_regs(fe, R_EP1, 3); | |
360 | tda18271_write_regs(fe, R_EB13, 1); | |
361 | ||
362 | /* main pll charge pump source */ | |
4efb0ca5 | 363 | tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1); |
255b5113 MK |
364 | |
365 | /* cal pll charge pump source */ | |
4efb0ca5 | 366 | tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 1); |
255b5113 MK |
367 | |
368 | /* force dcdc converter to 0 V */ | |
369 | regs[R_EB14] = 0x00; | |
370 | tda18271_write_regs(fe, R_EB14, 1); | |
371 | ||
372 | /* disable plls lock */ | |
373 | regs[R_EB20] &= ~0x20; | |
374 | tda18271_write_regs(fe, R_EB20, 1); | |
375 | ||
376 | /* set CAL mode to RF tracking filter calibration */ | |
377 | regs[R_EP4] |= 0x03; | |
378 | tda18271_write_regs(fe, R_EP4, 2); | |
379 | ||
380 | /* --------------------------------------------------------------- */ | |
381 | ||
382 | /* set the internal calibration signal */ | |
383 | N = freq; | |
384 | ||
ae07d042 MK |
385 | tda18271_calc_cal_pll(fe, N); |
386 | tda18271_write_regs(fe, R_CPD, 4); | |
255b5113 MK |
387 | |
388 | /* downconvert internal calibration */ | |
389 | N += 1000000; | |
390 | ||
391 | tda18271_calc_main_pll(fe, N); | |
392 | tda18271_write_regs(fe, R_MPD, 4); | |
393 | ||
394 | msleep(5); | |
395 | ||
396 | tda18271_write_regs(fe, R_EP2, 1); | |
397 | tda18271_write_regs(fe, R_EP1, 1); | |
398 | tda18271_write_regs(fe, R_EP2, 1); | |
399 | tda18271_write_regs(fe, R_EP1, 1); | |
400 | ||
401 | /* --------------------------------------------------------------- */ | |
402 | ||
403 | /* normal operation for the main pll */ | |
4efb0ca5 | 404 | tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0); |
255b5113 MK |
405 | |
406 | /* normal operation for the cal pll */ | |
4efb0ca5 | 407 | tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 0); |
255b5113 | 408 | |
ae07d042 | 409 | msleep(10); /* plls locking */ |
255b5113 MK |
410 | |
411 | /* launch the rf tracking filters calibration */ | |
412 | regs[R_EB20] |= 0x20; | |
413 | tda18271_write_regs(fe, R_EB20, 1); | |
414 | ||
415 | msleep(60); /* calibration */ | |
416 | ||
417 | /* --------------------------------------------------------------- */ | |
418 | ||
419 | /* set CAL mode to normal */ | |
420 | regs[R_EP4] &= ~0x03; | |
421 | ||
422 | /* switch on agc1 */ | |
423 | regs[R_EP3] &= ~0x40; /* sm_lt = 0 */ | |
424 | ||
425 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
426 | tda18271_write_regs(fe, R_EB18, 1); | |
427 | ||
428 | tda18271_write_regs(fe, R_EP3, 2); | |
429 | ||
430 | /* synchronization */ | |
431 | tda18271_write_regs(fe, R_EP1, 1); | |
432 | ||
433 | /* get calibration result */ | |
434 | tda18271_read_extended(fe); | |
435 | ||
436 | return regs[R_EB14]; | |
437 | } | |
438 | ||
439 | static int tda18271_powerscan(struct dvb_frontend *fe, | |
440 | u32 *freq_in, u32 *freq_out) | |
441 | { | |
442 | struct tda18271_priv *priv = fe->tuner_priv; | |
443 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 444 | int sgn, bcal, count, wait, ret; |
255b5113 MK |
445 | u8 cid_target; |
446 | u16 count_limit; | |
447 | u32 freq; | |
448 | ||
449 | freq = *freq_in; | |
450 | ||
451 | tda18271_calc_rf_band(fe, &freq); | |
452 | tda18271_calc_rf_cal(fe, &freq); | |
453 | tda18271_calc_gain_taper(fe, &freq); | |
454 | tda18271_lookup_cid_target(fe, &freq, &cid_target, &count_limit); | |
455 | ||
456 | tda18271_write_regs(fe, R_EP2, 1); | |
457 | tda18271_write_regs(fe, R_EB14, 1); | |
458 | ||
459 | /* downconvert frequency */ | |
460 | freq += 1000000; | |
461 | ||
462 | tda18271_calc_main_pll(fe, freq); | |
463 | tda18271_write_regs(fe, R_MPD, 4); | |
464 | ||
465 | msleep(5); /* pll locking */ | |
466 | ||
467 | /* detection mode */ | |
468 | regs[R_EP4] &= ~0x03; | |
469 | regs[R_EP4] |= 0x01; | |
470 | tda18271_write_regs(fe, R_EP4, 1); | |
471 | ||
472 | /* launch power detection measurement */ | |
473 | tda18271_write_regs(fe, R_EP2, 1); | |
474 | ||
475 | /* read power detection info, stored in EB10 */ | |
24124f78 | 476 | ret = tda18271_read_extended(fe); |
4bd5d107 | 477 | if (tda_fail(ret)) |
24124f78 | 478 | return ret; |
255b5113 MK |
479 | |
480 | /* algorithm initialization */ | |
481 | sgn = 1; | |
482 | *freq_out = *freq_in; | |
483 | bcal = 0; | |
484 | count = 0; | |
485 | wait = false; | |
486 | ||
487 | while ((regs[R_EB10] & 0x3f) < cid_target) { | |
488 | /* downconvert updated freq to 1 MHz */ | |
489 | freq = *freq_in + (sgn * count) + 1000000; | |
490 | ||
491 | tda18271_calc_main_pll(fe, freq); | |
492 | tda18271_write_regs(fe, R_MPD, 4); | |
493 | ||
494 | if (wait) { | |
495 | msleep(5); /* pll locking */ | |
496 | wait = false; | |
497 | } else | |
498 | udelay(100); /* pll locking */ | |
499 | ||
500 | /* launch power detection measurement */ | |
501 | tda18271_write_regs(fe, R_EP2, 1); | |
502 | ||
503 | /* read power detection info, stored in EB10 */ | |
24124f78 | 504 | ret = tda18271_read_extended(fe); |
4bd5d107 | 505 | if (tda_fail(ret)) |
24124f78 | 506 | return ret; |
255b5113 MK |
507 | |
508 | count += 200; | |
509 | ||
e7809a07 | 510 | if (count <= count_limit) |
255b5113 MK |
511 | continue; |
512 | ||
513 | if (sgn <= 0) | |
514 | break; | |
515 | ||
516 | sgn = -1 * sgn; | |
517 | count = 200; | |
518 | wait = true; | |
519 | } | |
520 | ||
521 | if ((regs[R_EB10] & 0x3f) >= cid_target) { | |
522 | bcal = 1; | |
523 | *freq_out = freq - 1000000; | |
524 | } else | |
525 | bcal = 0; | |
526 | ||
cf04d29c | 527 | tda_cal("bcal = %d, freq_in = %d, freq_out = %d (freq = %d)\n", |
255b5113 MK |
528 | bcal, *freq_in, *freq_out, freq); |
529 | ||
530 | return bcal; | |
531 | } | |
532 | ||
533 | static int tda18271_powerscan_init(struct dvb_frontend *fe) | |
534 | { | |
535 | struct tda18271_priv *priv = fe->tuner_priv; | |
536 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 537 | int ret; |
255b5113 MK |
538 | |
539 | /* set standard to digital */ | |
540 | regs[R_EP3] &= ~0x1f; /* clear std bits */ | |
541 | regs[R_EP3] |= 0x12; | |
542 | ||
543 | /* set cal mode to normal */ | |
544 | regs[R_EP4] &= ~0x03; | |
545 | ||
44e645c2 | 546 | /* update IF output level */ |
255b5113 MK |
547 | regs[R_EP4] &= ~0x1c; /* clear if level bits */ |
548 | ||
24124f78 | 549 | ret = tda18271_write_regs(fe, R_EP3, 2); |
4bd5d107 | 550 | if (tda_fail(ret)) |
24124f78 | 551 | goto fail; |
255b5113 MK |
552 | |
553 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
24124f78 | 554 | ret = tda18271_write_regs(fe, R_EB18, 1); |
4bd5d107 | 555 | if (tda_fail(ret)) |
24124f78 | 556 | goto fail; |
255b5113 MK |
557 | |
558 | regs[R_EB21] &= ~0x03; /* set agc2_gain to -15 dB */ | |
559 | ||
560 | /* 1.5 MHz low pass filter */ | |
561 | regs[R_EB23] |= 0x04; /* forcelp_fc2_en = 1 */ | |
562 | regs[R_EB23] |= 0x02; /* lp_fc[2] = 1 */ | |
563 | ||
24124f78 MK |
564 | ret = tda18271_write_regs(fe, R_EB21, 3); |
565 | fail: | |
566 | return ret; | |
255b5113 MK |
567 | } |
568 | ||
569 | static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq) | |
570 | { | |
571 | struct tda18271_priv *priv = fe->tuner_priv; | |
572 | struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; | |
573 | unsigned char *regs = priv->tda18271_regs; | |
574 | int bcal, rf, i; | |
575 | #define RF1 0 | |
576 | #define RF2 1 | |
577 | #define RF3 2 | |
578 | u32 rf_default[3]; | |
579 | u32 rf_freq[3]; | |
580 | u8 prog_cal[3]; | |
581 | u8 prog_tab[3]; | |
582 | ||
583 | i = tda18271_lookup_rf_band(fe, &freq, NULL); | |
584 | ||
4bd5d107 | 585 | if (tda_fail(i)) |
255b5113 MK |
586 | return i; |
587 | ||
588 | rf_default[RF1] = 1000 * map[i].rf1_def; | |
589 | rf_default[RF2] = 1000 * map[i].rf2_def; | |
590 | rf_default[RF3] = 1000 * map[i].rf3_def; | |
591 | ||
592 | for (rf = RF1; rf <= RF3; rf++) { | |
593 | if (0 == rf_default[rf]) | |
594 | return 0; | |
cf04d29c | 595 | tda_cal("freq = %d, rf = %d\n", freq, rf); |
255b5113 MK |
596 | |
597 | /* look for optimized calibration frequency */ | |
598 | bcal = tda18271_powerscan(fe, &rf_default[rf], &rf_freq[rf]); | |
4bd5d107 | 599 | if (tda_fail(bcal)) |
24124f78 | 600 | return bcal; |
255b5113 MK |
601 | |
602 | tda18271_calc_rf_cal(fe, &rf_freq[rf]); | |
603 | prog_tab[rf] = regs[R_EB14]; | |
604 | ||
605 | if (1 == bcal) | |
606 | prog_cal[rf] = tda18271_calibrate_rf(fe, rf_freq[rf]); | |
607 | else | |
608 | prog_cal[rf] = prog_tab[rf]; | |
609 | ||
610 | switch (rf) { | |
611 | case RF1: | |
612 | map[i].rf_a1 = 0; | |
613 | map[i].rf_b1 = prog_cal[RF1] - prog_tab[RF1]; | |
614 | map[i].rf1 = rf_freq[RF1] / 1000; | |
615 | break; | |
616 | case RF2: | |
617 | map[i].rf_a1 = (prog_cal[RF2] - prog_tab[RF2] - | |
618 | prog_cal[RF1] + prog_tab[RF1]) / | |
619 | ((rf_freq[RF2] - rf_freq[RF1]) / 1000); | |
620 | map[i].rf2 = rf_freq[RF2] / 1000; | |
621 | break; | |
622 | case RF3: | |
623 | map[i].rf_a2 = (prog_cal[RF3] - prog_tab[RF3] - | |
624 | prog_cal[RF2] + prog_tab[RF2]) / | |
625 | ((rf_freq[RF3] - rf_freq[RF2]) / 1000); | |
626 | map[i].rf_b2 = prog_cal[RF2] - prog_tab[RF2]; | |
627 | map[i].rf3 = rf_freq[RF3] / 1000; | |
628 | break; | |
629 | default: | |
630 | BUG(); | |
631 | } | |
632 | } | |
633 | ||
634 | return 0; | |
635 | } | |
636 | ||
09f83c4f | 637 | static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe) |
255b5113 MK |
638 | { |
639 | struct tda18271_priv *priv = fe->tuner_priv; | |
640 | unsigned int i; | |
24124f78 | 641 | int ret; |
255b5113 MK |
642 | |
643 | tda_info("tda18271: performing RF tracking filter calibration\n"); | |
644 | ||
645 | /* wait for die temperature stabilization */ | |
646 | msleep(200); | |
647 | ||
24124f78 | 648 | ret = tda18271_powerscan_init(fe); |
4bd5d107 | 649 | if (tda_fail(ret)) |
24124f78 | 650 | goto fail; |
255b5113 MK |
651 | |
652 | /* rf band calibration */ | |
c151c32f MK |
653 | for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++) { |
654 | ret = | |
255b5113 MK |
655 | tda18271_rf_tracking_filters_init(fe, 1000 * |
656 | priv->rf_cal_state[i].rfmax); | |
4bd5d107 | 657 | if (tda_fail(ret)) |
c151c32f MK |
658 | goto fail; |
659 | } | |
255b5113 | 660 | |
09f83c4f | 661 | priv->tm_rfcal = tda18271_read_thermometer(fe); |
24124f78 MK |
662 | fail: |
663 | return ret; | |
255b5113 MK |
664 | } |
665 | ||
666 | /* ------------------------------------------------------------------ */ | |
667 | ||
12afe378 | 668 | static int tda18271c2_rf_cal_init(struct dvb_frontend *fe) |
255b5113 MK |
669 | { |
670 | struct tda18271_priv *priv = fe->tuner_priv; | |
839c6c96 | 671 | unsigned char *regs = priv->tda18271_regs; |
24124f78 | 672 | int ret; |
839c6c96 MK |
673 | |
674 | /* test RF_CAL_OK to see if we need init */ | |
675 | if ((regs[R_EP1] & 0x10) == 0) | |
676 | priv->cal_initialized = false; | |
255b5113 MK |
677 | |
678 | if (priv->cal_initialized) | |
679 | return 0; | |
680 | ||
24124f78 | 681 | ret = tda18271_calc_rf_filter_curve(fe); |
4bd5d107 | 682 | if (tda_fail(ret)) |
24124f78 | 683 | goto fail; |
255b5113 | 684 | |
24124f78 | 685 | ret = tda18271_por(fe); |
4bd5d107 | 686 | if (tda_fail(ret)) |
24124f78 | 687 | goto fail; |
255b5113 | 688 | |
6bfa6657 MK |
689 | tda_info("tda18271: RF tracking filter calibration complete\n"); |
690 | ||
255b5113 | 691 | priv->cal_initialized = true; |
c151c32f | 692 | goto end; |
24124f78 | 693 | fail: |
c151c32f MK |
694 | tda_info("tda18271: RF tracking filter calibration failed!\n"); |
695 | end: | |
24124f78 | 696 | return ret; |
255b5113 MK |
697 | } |
698 | ||
4d2d42bc MK |
699 | static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe, |
700 | u32 freq, u32 bw) | |
5bea1cd3 MK |
701 | { |
702 | struct tda18271_priv *priv = fe->tuner_priv; | |
703 | unsigned char *regs = priv->tda18271_regs; | |
10ed0bf4 | 704 | int ret; |
fe0bf6d7 | 705 | u32 N = 0; |
5bea1cd3 | 706 | |
255b5113 | 707 | /* calculate bp filter */ |
b92bf0f6 | 708 | tda18271_calc_bp_filter(fe, &freq); |
5bea1cd3 MK |
709 | tda18271_write_regs(fe, R_EP1, 1); |
710 | ||
711 | regs[R_EB4] &= 0x07; | |
712 | regs[R_EB4] |= 0x60; | |
713 | tda18271_write_regs(fe, R_EB4, 1); | |
714 | ||
715 | regs[R_EB7] = 0x60; | |
716 | tda18271_write_regs(fe, R_EB7, 1); | |
717 | ||
718 | regs[R_EB14] = 0x00; | |
719 | tda18271_write_regs(fe, R_EB14, 1); | |
720 | ||
721 | regs[R_EB20] = 0xcc; | |
722 | tda18271_write_regs(fe, R_EB20, 1); | |
723 | ||
255b5113 | 724 | /* set cal mode to RF tracking filter calibration */ |
26501a70 | 725 | regs[R_EP4] |= 0x03; |
5bea1cd3 | 726 | |
255b5113 | 727 | /* calculate cal pll */ |
5bea1cd3 MK |
728 | |
729 | switch (priv->mode) { | |
730 | case TDA18271_ANALOG: | |
731 | N = freq - 1250000; | |
732 | break; | |
733 | case TDA18271_DIGITAL: | |
734 | N = freq + bw / 2; | |
735 | break; | |
736 | } | |
737 | ||
fe0bf6d7 | 738 | tda18271_calc_cal_pll(fe, N); |
5bea1cd3 | 739 | |
255b5113 | 740 | /* calculate main pll */ |
5bea1cd3 MK |
741 | |
742 | switch (priv->mode) { | |
743 | case TDA18271_ANALOG: | |
744 | N = freq - 250000; | |
745 | break; | |
746 | case TDA18271_DIGITAL: | |
747 | N = freq + bw / 2 + 1000000; | |
748 | break; | |
749 | } | |
750 | ||
fe0bf6d7 | 751 | tda18271_calc_main_pll(fe, N); |
5bea1cd3 | 752 | |
10ed0bf4 | 753 | ret = tda18271_write_regs(fe, R_EP3, 11); |
4bd5d107 | 754 | if (tda_fail(ret)) |
10ed0bf4 MK |
755 | return ret; |
756 | ||
5bea1cd3 MK |
757 | msleep(5); /* RF tracking filter calibration initialization */ |
758 | ||
255b5113 | 759 | /* search for K,M,CO for RF calibration */ |
b92bf0f6 | 760 | tda18271_calc_km(fe, &freq); |
5bea1cd3 MK |
761 | tda18271_write_regs(fe, R_EB13, 1); |
762 | ||
255b5113 | 763 | /* search for rf band */ |
b92bf0f6 | 764 | tda18271_calc_rf_band(fe, &freq); |
5bea1cd3 | 765 | |
255b5113 | 766 | /* search for gain taper */ |
b92bf0f6 | 767 | tda18271_calc_gain_taper(fe, &freq); |
5bea1cd3 MK |
768 | |
769 | tda18271_write_regs(fe, R_EP2, 1); | |
770 | tda18271_write_regs(fe, R_EP1, 1); | |
771 | tda18271_write_regs(fe, R_EP2, 1); | |
772 | tda18271_write_regs(fe, R_EP1, 1); | |
773 | ||
774 | regs[R_EB4] &= 0x07; | |
775 | regs[R_EB4] |= 0x40; | |
776 | tda18271_write_regs(fe, R_EB4, 1); | |
777 | ||
778 | regs[R_EB7] = 0x40; | |
779 | tda18271_write_regs(fe, R_EB7, 1); | |
4d2d42bc | 780 | msleep(10); /* pll locking */ |
5bea1cd3 MK |
781 | |
782 | regs[R_EB20] = 0xec; | |
783 | tda18271_write_regs(fe, R_EB20, 1); | |
784 | msleep(60); /* RF tracking filter calibration completion */ | |
785 | ||
786 | regs[R_EP4] &= ~0x03; /* set cal mode to normal */ | |
787 | tda18271_write_regs(fe, R_EP4, 1); | |
788 | ||
789 | tda18271_write_regs(fe, R_EP1, 1); | |
790 | ||
b92bf0f6 MK |
791 | /* RF tracking filter correction for VHF_Low band */ |
792 | if (0 == tda18271_calc_rf_cal(fe, &freq)) | |
5bea1cd3 | 793 | tda18271_write_regs(fe, R_EB14, 1); |
5bea1cd3 | 794 | |
4d2d42bc MK |
795 | return 0; |
796 | } | |
797 | ||
d1c53424 MK |
798 | /* ------------------------------------------------------------------ */ |
799 | ||
12afe378 MK |
800 | static int tda18271_ir_cal_init(struct dvb_frontend *fe) |
801 | { | |
802 | struct tda18271_priv *priv = fe->tuner_priv; | |
803 | unsigned char *regs = priv->tda18271_regs; | |
d35fccaf | 804 | int ret; |
12afe378 | 805 | |
d35fccaf | 806 | ret = tda18271_read_regs(fe); |
4bd5d107 | 807 | if (tda_fail(ret)) |
d35fccaf | 808 | goto fail; |
12afe378 MK |
809 | |
810 | /* test IR_CAL_OK to see if we need init */ | |
811 | if ((regs[R_EP1] & 0x08) == 0) | |
d35fccaf MK |
812 | ret = tda18271_init_regs(fe); |
813 | fail: | |
814 | return ret; | |
12afe378 MK |
815 | } |
816 | ||
817 | static int tda18271_init(struct dvb_frontend *fe) | |
818 | { | |
819 | struct tda18271_priv *priv = fe->tuner_priv; | |
d35fccaf | 820 | int ret; |
12afe378 MK |
821 | |
822 | mutex_lock(&priv->lock); | |
823 | ||
4240b460 | 824 | /* full power up */ |
d35fccaf | 825 | ret = tda18271_set_standby_mode(fe, 0, 0, 0); |
4bd5d107 | 826 | if (tda_fail(ret)) |
d35fccaf | 827 | goto fail; |
12afe378 MK |
828 | |
829 | /* initialization */ | |
d35fccaf | 830 | ret = tda18271_ir_cal_init(fe); |
4bd5d107 | 831 | if (tda_fail(ret)) |
d35fccaf | 832 | goto fail; |
12afe378 MK |
833 | |
834 | if (priv->id == TDA18271HDC2) | |
835 | tda18271c2_rf_cal_init(fe); | |
d35fccaf | 836 | fail: |
12afe378 MK |
837 | mutex_unlock(&priv->lock); |
838 | ||
d35fccaf | 839 | return ret; |
12afe378 MK |
840 | } |
841 | ||
cc7e26d4 MK |
842 | static int tda18271_sleep(struct dvb_frontend *fe) |
843 | { | |
844 | struct tda18271_priv *priv = fe->tuner_priv; | |
845 | int ret; | |
846 | ||
847 | mutex_lock(&priv->lock); | |
848 | ||
849 | /* enter standby mode, with required output features enabled */ | |
850 | ret = tda18271_toggle_output(fe, 1); | |
851 | ||
852 | mutex_unlock(&priv->lock); | |
853 | ||
854 | return ret; | |
855 | } | |
856 | ||
adcc4b3e MK |
857 | /* ------------------------------------------------------------------ */ |
858 | ||
859 | static int tda18271_agc(struct dvb_frontend *fe) | |
860 | { | |
861 | struct tda18271_priv *priv = fe->tuner_priv; | |
862 | int ret = 0; | |
863 | ||
864 | switch (priv->config) { | |
865 | case 0: | |
866 | /* no LNA */ | |
867 | tda_dbg("no agc configuration provided\n"); | |
868 | break; | |
869 | case 3: | |
870 | /* switch with GPIO of saa713x */ | |
871 | tda_dbg("invoking callback\n"); | |
872 | if (fe->callback) | |
873 | ret = fe->callback(priv->i2c_props.adap->algo_data, | |
874 | DVB_FRONTEND_COMPONENT_TUNER, | |
875 | TDA18271_CALLBACK_CMD_AGC_ENABLE, | |
876 | priv->mode); | |
877 | break; | |
878 | case 1: | |
879 | case 2: | |
880 | default: | |
881 | /* n/a - currently not supported */ | |
882 | tda_err("unsupported configuration: %d\n", priv->config); | |
883 | ret = -EINVAL; | |
884 | break; | |
885 | } | |
886 | return ret; | |
887 | } | |
888 | ||
d1c53424 | 889 | static int tda18271_tune(struct dvb_frontend *fe, |
c293d0a7 | 890 | struct tda18271_std_map_item *map, u32 freq, u32 bw) |
4d2d42bc MK |
891 | { |
892 | struct tda18271_priv *priv = fe->tuner_priv; | |
d35fccaf | 893 | int ret; |
4d2d42bc | 894 | |
7f7203df MK |
895 | tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n", |
896 | freq, map->if_freq, bw, map->agc_mode, map->std); | |
d1c53424 | 897 | |
adcc4b3e MK |
898 | ret = tda18271_agc(fe); |
899 | if (tda_fail(ret)) | |
900 | tda_warn("failed to configure agc\n"); | |
901 | ||
d35fccaf | 902 | ret = tda18271_init(fe); |
4bd5d107 | 903 | if (tda_fail(ret)) |
d35fccaf | 904 | goto fail; |
4d2d42bc MK |
905 | |
906 | mutex_lock(&priv->lock); | |
907 | ||
ccbac9bb MK |
908 | switch (priv->id) { |
909 | case TDA18271HDC1: | |
d1c53424 | 910 | tda18271c1_rf_tracking_filter_calibration(fe, freq, bw); |
ccbac9bb MK |
911 | break; |
912 | case TDA18271HDC2: | |
d1c53424 | 913 | tda18271c2_rf_tracking_filters_correction(fe, freq); |
ccbac9bb MK |
914 | break; |
915 | } | |
31940e39 | 916 | ret = tda18271_channel_configuration(fe, map, freq, bw); |
d1c53424 MK |
917 | |
918 | mutex_unlock(&priv->lock); | |
d35fccaf MK |
919 | fail: |
920 | return ret; | |
ccbac9bb MK |
921 | } |
922 | ||
5bea1cd3 MK |
923 | /* ------------------------------------------------------------------ */ |
924 | ||
925 | static int tda18271_set_params(struct dvb_frontend *fe, | |
926 | struct dvb_frontend_parameters *params) | |
927 | { | |
928 | struct tda18271_priv *priv = fe->tuner_priv; | |
f21e0d7f | 929 | struct tda18271_std_map *std_map = &priv->std; |
c293d0a7 | 930 | struct tda18271_std_map_item *map; |
ccbac9bb | 931 | int ret; |
2ba65d51 | 932 | u32 bw, freq = params->frequency; |
5bea1cd3 MK |
933 | |
934 | priv->mode = TDA18271_DIGITAL; | |
935 | ||
5bea1cd3 MK |
936 | if (fe->ops.info.type == FE_ATSC) { |
937 | switch (params->u.vsb.modulation) { | |
938 | case VSB_8: | |
939 | case VSB_16: | |
c293d0a7 | 940 | map = &std_map->atsc_6; |
5bea1cd3 MK |
941 | break; |
942 | case QAM_64: | |
943 | case QAM_256: | |
c293d0a7 | 944 | map = &std_map->qam_6; |
5bea1cd3 MK |
945 | break; |
946 | default: | |
182519f4 | 947 | tda_warn("modulation not set!\n"); |
5bea1cd3 MK |
948 | return -EINVAL; |
949 | } | |
14e3c152 MK |
950 | #if 0 |
951 | /* userspace request is already center adjusted */ | |
5bea1cd3 | 952 | freq += 1750000; /* Adjust to center (+1.75MHZ) */ |
14e3c152 | 953 | #endif |
5bea1cd3 MK |
954 | bw = 6000000; |
955 | } else if (fe->ops.info.type == FE_OFDM) { | |
956 | switch (params->u.ofdm.bandwidth) { | |
957 | case BANDWIDTH_6_MHZ: | |
5bea1cd3 | 958 | bw = 6000000; |
c293d0a7 | 959 | map = &std_map->dvbt_6; |
5bea1cd3 MK |
960 | break; |
961 | case BANDWIDTH_7_MHZ: | |
5bea1cd3 | 962 | bw = 7000000; |
c293d0a7 | 963 | map = &std_map->dvbt_7; |
5bea1cd3 MK |
964 | break; |
965 | case BANDWIDTH_8_MHZ: | |
5bea1cd3 | 966 | bw = 8000000; |
c293d0a7 | 967 | map = &std_map->dvbt_8; |
5bea1cd3 MK |
968 | break; |
969 | default: | |
182519f4 | 970 | tda_warn("bandwidth not set!\n"); |
5bea1cd3 MK |
971 | return -EINVAL; |
972 | } | |
973 | } else { | |
182519f4 | 974 | tda_warn("modulation type not supported!\n"); |
5bea1cd3 MK |
975 | return -EINVAL; |
976 | } | |
977 | ||
ed73683f MK |
978 | /* When tuning digital, the analog demod must be tri-stated */ |
979 | if (fe->ops.analog_ops.standby) | |
980 | fe->ops.analog_ops.standby(fe); | |
981 | ||
c293d0a7 | 982 | ret = tda18271_tune(fe, map, freq, bw); |
ccbac9bb | 983 | |
4bd5d107 | 984 | if (tda_fail(ret)) |
ccbac9bb MK |
985 | goto fail; |
986 | ||
987 | priv->frequency = freq; | |
988 | priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? | |
989 | params->u.ofdm.bandwidth : 0; | |
990 | fail: | |
991 | return ret; | |
5bea1cd3 MK |
992 | } |
993 | ||
994 | static int tda18271_set_analog_params(struct dvb_frontend *fe, | |
995 | struct analog_parameters *params) | |
996 | { | |
997 | struct tda18271_priv *priv = fe->tuner_priv; | |
f21e0d7f | 998 | struct tda18271_std_map *std_map = &priv->std; |
c293d0a7 | 999 | struct tda18271_std_map_item *map; |
5bea1cd3 | 1000 | char *mode; |
c293d0a7 | 1001 | int ret; |
2ba65d51 | 1002 | u32 freq = params->frequency * 62500; |
5bea1cd3 MK |
1003 | |
1004 | priv->mode = TDA18271_ANALOG; | |
1005 | ||
c353f42f | 1006 | if (params->mode == V4L2_TUNER_RADIO) { |
c353f42f | 1007 | freq = freq / 1000; |
c293d0a7 | 1008 | map = &std_map->fm_radio; |
c353f42f MK |
1009 | mode = "fm"; |
1010 | } else if (params->std & V4L2_STD_MN) { | |
c293d0a7 | 1011 | map = &std_map->atv_mn; |
5bea1cd3 MK |
1012 | mode = "MN"; |
1013 | } else if (params->std & V4L2_STD_B) { | |
c293d0a7 | 1014 | map = &std_map->atv_b; |
5bea1cd3 MK |
1015 | mode = "B"; |
1016 | } else if (params->std & V4L2_STD_GH) { | |
c293d0a7 | 1017 | map = &std_map->atv_gh; |
5bea1cd3 MK |
1018 | mode = "GH"; |
1019 | } else if (params->std & V4L2_STD_PAL_I) { | |
c293d0a7 | 1020 | map = &std_map->atv_i; |
5bea1cd3 MK |
1021 | mode = "I"; |
1022 | } else if (params->std & V4L2_STD_DK) { | |
c293d0a7 | 1023 | map = &std_map->atv_dk; |
5bea1cd3 MK |
1024 | mode = "DK"; |
1025 | } else if (params->std & V4L2_STD_SECAM_L) { | |
c293d0a7 | 1026 | map = &std_map->atv_l; |
5bea1cd3 MK |
1027 | mode = "L"; |
1028 | } else if (params->std & V4L2_STD_SECAM_LC) { | |
c293d0a7 | 1029 | map = &std_map->atv_lc; |
95af8a26 | 1030 | mode = "L'"; |
5bea1cd3 | 1031 | } else { |
c293d0a7 | 1032 | map = &std_map->atv_i; |
5bea1cd3 MK |
1033 | mode = "xx"; |
1034 | } | |
1035 | ||
182519f4 | 1036 | tda_dbg("setting tda18271 to system %s\n", mode); |
5bea1cd3 | 1037 | |
c293d0a7 | 1038 | ret = tda18271_tune(fe, map, freq, 0); |
ccbac9bb | 1039 | |
4bd5d107 | 1040 | if (tda_fail(ret)) |
ccbac9bb MK |
1041 | goto fail; |
1042 | ||
1043 | priv->frequency = freq; | |
1044 | priv->bandwidth = 0; | |
1045 | fail: | |
1046 | return ret; | |
5bea1cd3 MK |
1047 | } |
1048 | ||
1049 | static int tda18271_release(struct dvb_frontend *fe) | |
1050 | { | |
a4f263b5 MK |
1051 | struct tda18271_priv *priv = fe->tuner_priv; |
1052 | ||
1053 | mutex_lock(&tda18271_list_mutex); | |
1054 | ||
f9e315a1 MK |
1055 | if (priv) |
1056 | hybrid_tuner_release_state(priv); | |
a4f263b5 | 1057 | |
a4f263b5 MK |
1058 | mutex_unlock(&tda18271_list_mutex); |
1059 | ||
5bea1cd3 | 1060 | fe->tuner_priv = NULL; |
a4f263b5 | 1061 | |
5bea1cd3 MK |
1062 | return 0; |
1063 | } | |
1064 | ||
1065 | static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
1066 | { | |
1067 | struct tda18271_priv *priv = fe->tuner_priv; | |
1068 | *frequency = priv->frequency; | |
1069 | return 0; | |
1070 | } | |
1071 | ||
1072 | static int tda18271_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
1073 | { | |
1074 | struct tda18271_priv *priv = fe->tuner_priv; | |
1075 | *bandwidth = priv->bandwidth; | |
1076 | return 0; | |
1077 | } | |
1078 | ||
f21e0d7f MK |
1079 | /* ------------------------------------------------------------------ */ |
1080 | ||
1081 | #define tda18271_update_std(std_cfg, name) do { \ | |
7f7203df | 1082 | if (map->std_cfg.if_freq + \ |
c735372f MK |
1083 | map->std_cfg.agc_mode + map->std_cfg.std + \ |
1084 | map->std_cfg.if_lvl + map->std_cfg.rfagc_top > 0) { \ | |
f21e0d7f MK |
1085 | tda_dbg("Using custom std config for %s\n", name); \ |
1086 | memcpy(&std->std_cfg, &map->std_cfg, \ | |
1087 | sizeof(struct tda18271_std_map_item)); \ | |
1088 | } } while (0) | |
1089 | ||
1090 | #define tda18271_dump_std_item(std_cfg, name) do { \ | |
c735372f MK |
1091 | tda_dbg("(%s) if_freq = %d, agc_mode = %d, std = %d, " \ |
1092 | "if_lvl = %d, rfagc_top = 0x%02x\n", \ | |
7f7203df | 1093 | name, std->std_cfg.if_freq, \ |
c735372f MK |
1094 | std->std_cfg.agc_mode, std->std_cfg.std, \ |
1095 | std->std_cfg.if_lvl, std->std_cfg.rfagc_top); \ | |
f21e0d7f MK |
1096 | } while (0) |
1097 | ||
1098 | static int tda18271_dump_std_map(struct dvb_frontend *fe) | |
1099 | { | |
1100 | struct tda18271_priv *priv = fe->tuner_priv; | |
1101 | struct tda18271_std_map *std = &priv->std; | |
1102 | ||
1103 | tda_dbg("========== STANDARD MAP SETTINGS ==========\n"); | |
c735372f MK |
1104 | tda18271_dump_std_item(fm_radio, " fm "); |
1105 | tda18271_dump_std_item(atv_b, "atv b "); | |
1106 | tda18271_dump_std_item(atv_dk, "atv dk"); | |
1107 | tda18271_dump_std_item(atv_gh, "atv gh"); | |
1108 | tda18271_dump_std_item(atv_i, "atv i "); | |
1109 | tda18271_dump_std_item(atv_l, "atv l "); | |
1110 | tda18271_dump_std_item(atv_lc, "atv l'"); | |
f21e0d7f MK |
1111 | tda18271_dump_std_item(atv_mn, "atv mn"); |
1112 | tda18271_dump_std_item(atsc_6, "atsc 6"); | |
1113 | tda18271_dump_std_item(dvbt_6, "dvbt 6"); | |
1114 | tda18271_dump_std_item(dvbt_7, "dvbt 7"); | |
1115 | tda18271_dump_std_item(dvbt_8, "dvbt 8"); | |
c735372f MK |
1116 | tda18271_dump_std_item(qam_6, "qam 6 "); |
1117 | tda18271_dump_std_item(qam_8, "qam 8 "); | |
f21e0d7f MK |
1118 | |
1119 | return 0; | |
1120 | } | |
1121 | ||
1122 | static int tda18271_update_std_map(struct dvb_frontend *fe, | |
1123 | struct tda18271_std_map *map) | |
1124 | { | |
1125 | struct tda18271_priv *priv = fe->tuner_priv; | |
1126 | struct tda18271_std_map *std = &priv->std; | |
1127 | ||
1128 | if (!map) | |
1129 | return -EINVAL; | |
1130 | ||
c353f42f | 1131 | tda18271_update_std(fm_radio, "fm"); |
f21e0d7f MK |
1132 | tda18271_update_std(atv_b, "atv b"); |
1133 | tda18271_update_std(atv_dk, "atv dk"); | |
1134 | tda18271_update_std(atv_gh, "atv gh"); | |
1135 | tda18271_update_std(atv_i, "atv i"); | |
1136 | tda18271_update_std(atv_l, "atv l"); | |
1137 | tda18271_update_std(atv_lc, "atv l'"); | |
1138 | tda18271_update_std(atv_mn, "atv mn"); | |
1139 | tda18271_update_std(atsc_6, "atsc 6"); | |
1140 | tda18271_update_std(dvbt_6, "dvbt 6"); | |
1141 | tda18271_update_std(dvbt_7, "dvbt 7"); | |
1142 | tda18271_update_std(dvbt_8, "dvbt 8"); | |
1143 | tda18271_update_std(qam_6, "qam 6"); | |
1144 | tda18271_update_std(qam_8, "qam 8"); | |
1145 | ||
1146 | return 0; | |
1147 | } | |
1148 | ||
49e7aaf0 MK |
1149 | static int tda18271_get_id(struct dvb_frontend *fe) |
1150 | { | |
1151 | struct tda18271_priv *priv = fe->tuner_priv; | |
1152 | unsigned char *regs = priv->tda18271_regs; | |
1153 | char *name; | |
1154 | int ret = 0; | |
1155 | ||
8d316bf5 | 1156 | mutex_lock(&priv->lock); |
49e7aaf0 | 1157 | tda18271_read_regs(fe); |
8d316bf5 | 1158 | mutex_unlock(&priv->lock); |
49e7aaf0 MK |
1159 | |
1160 | switch (regs[R_ID] & 0x7f) { | |
1161 | case 3: | |
1162 | name = "TDA18271HD/C1"; | |
255b5113 | 1163 | priv->id = TDA18271HDC1; |
49e7aaf0 MK |
1164 | break; |
1165 | case 4: | |
1166 | name = "TDA18271HD/C2"; | |
255b5113 | 1167 | priv->id = TDA18271HDC2; |
49e7aaf0 MK |
1168 | break; |
1169 | default: | |
1170 | name = "Unknown device"; | |
1171 | ret = -EINVAL; | |
1172 | break; | |
1173 | } | |
1174 | ||
182519f4 | 1175 | tda_info("%s detected @ %d-%04x%s\n", name, |
f9e315a1 MK |
1176 | i2c_adapter_id(priv->i2c_props.adap), |
1177 | priv->i2c_props.addr, | |
49e7aaf0 MK |
1178 | (0 == ret) ? "" : ", device not supported."); |
1179 | ||
1180 | return ret; | |
1181 | } | |
1182 | ||
5bea1cd3 MK |
1183 | static struct dvb_tuner_ops tda18271_tuner_ops = { |
1184 | .info = { | |
1185 | .name = "NXP TDA18271HD", | |
1186 | .frequency_min = 45000000, | |
1187 | .frequency_max = 864000000, | |
1188 | .frequency_step = 62500 | |
1189 | }, | |
efce8410 | 1190 | .init = tda18271_init, |
518d8739 | 1191 | .sleep = tda18271_sleep, |
5bea1cd3 MK |
1192 | .set_params = tda18271_set_params, |
1193 | .set_analog_params = tda18271_set_analog_params, | |
1194 | .release = tda18271_release, | |
1195 | .get_frequency = tda18271_get_frequency, | |
1196 | .get_bandwidth = tda18271_get_bandwidth, | |
1197 | }; | |
1198 | ||
1199 | struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, | |
e435f95c | 1200 | struct i2c_adapter *i2c, |
f21e0d7f | 1201 | struct tda18271_config *cfg) |
5bea1cd3 MK |
1202 | { |
1203 | struct tda18271_priv *priv = NULL; | |
f9e315a1 | 1204 | int instance; |
a4f263b5 MK |
1205 | |
1206 | mutex_lock(&tda18271_list_mutex); | |
1207 | ||
f9e315a1 MK |
1208 | instance = hybrid_tuner_request_state(struct tda18271_priv, priv, |
1209 | hybrid_tuner_instance_list, | |
1210 | i2c, addr, "tda18271"); | |
1211 | switch (instance) { | |
1212 | case 0: | |
1213 | goto fail; | |
f9e315a1 | 1214 | case 1: |
81016b49 | 1215 | { |
f9e315a1 | 1216 | /* new tuner instance */ |
81016b49 MK |
1217 | int rf_cal_on_startup; |
1218 | ||
a4f263b5 | 1219 | priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO; |
868f5ccd | 1220 | priv->role = (cfg) ? cfg->role : TDA18271_MASTER; |
adcc4b3e | 1221 | priv->config = (cfg) ? cfg->config : 0; |
1216531a | 1222 | priv->small_i2c = (cfg) ? cfg->small_i2c : 0; |
4240b460 MK |
1223 | priv->output_opt = (cfg) ? |
1224 | cfg->output_opt : TDA18271_OUTPUT_LT_XT_ON; | |
81016b49 MK |
1225 | |
1226 | /* tda18271_cal_on_startup == -1 when cal | |
1227 | * module option is unset */ | |
1228 | if (tda18271_cal_on_startup == -1) { | |
1229 | /* honor attach-time configuration */ | |
1230 | rf_cal_on_startup = | |
1231 | ((cfg) && (cfg->rf_cal_on_startup)) ? 1 : 0; | |
1232 | } else { | |
1233 | /* module option overrides attach configuration */ | |
1234 | rf_cal_on_startup = tda18271_cal_on_startup; | |
1235 | } | |
1236 | ||
a4f263b5 MK |
1237 | priv->cal_initialized = false; |
1238 | mutex_init(&priv->lock); | |
5bea1cd3 | 1239 | |
a4f263b5 | 1240 | fe->tuner_priv = priv; |
5bea1cd3 | 1241 | |
4bd5d107 | 1242 | if (tda_fail(tda18271_get_id(fe))) |
a4f263b5 | 1243 | goto fail; |
49e7aaf0 | 1244 | |
4bd5d107 | 1245 | if (tda_fail(tda18271_assign_map_layout(fe))) |
a4f263b5 | 1246 | goto fail; |
255b5113 | 1247 | |
a4f263b5 MK |
1248 | mutex_lock(&priv->lock); |
1249 | tda18271_init_regs(fe); | |
0f96251e | 1250 | |
81016b49 | 1251 | if ((rf_cal_on_startup) && (priv->id == TDA18271HDC2)) |
12afe378 | 1252 | tda18271c2_rf_cal_init(fe); |
0f96251e | 1253 | |
a4f263b5 | 1254 | mutex_unlock(&priv->lock); |
f9e315a1 | 1255 | break; |
81016b49 | 1256 | } |
f9e315a1 MK |
1257 | default: |
1258 | /* existing tuner instance */ | |
1259 | fe->tuner_priv = priv; | |
1260 | ||
1261 | /* allow dvb driver to override i2c gate setting */ | |
1262 | if ((cfg) && (cfg->gate != TDA18271_GATE_ANALOG)) | |
1263 | priv->gate = cfg->gate; | |
1264 | break; | |
a4f263b5 | 1265 | } |
5bea1cd3 | 1266 | |
f21e0d7f MK |
1267 | /* override default std map with values in config struct */ |
1268 | if ((cfg) && (cfg->std_map)) | |
1269 | tda18271_update_std_map(fe, cfg->std_map); | |
1270 | ||
a4f263b5 | 1271 | mutex_unlock(&tda18271_list_mutex); |
8d316bf5 | 1272 | |
a4f263b5 MK |
1273 | memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops, |
1274 | sizeof(struct dvb_tuner_ops)); | |
efce8410 | 1275 | |
c735372f | 1276 | if (tda18271_debug & (DBG_MAP | DBG_ADV)) |
a4f263b5 | 1277 | tda18271_dump_std_map(fe); |
8d316bf5 | 1278 | |
5bea1cd3 | 1279 | return fe; |
49e7aaf0 | 1280 | fail: |
a4f263b5 MK |
1281 | mutex_unlock(&tda18271_list_mutex); |
1282 | ||
49e7aaf0 MK |
1283 | tda18271_release(fe); |
1284 | return NULL; | |
5bea1cd3 MK |
1285 | } |
1286 | EXPORT_SYMBOL_GPL(tda18271_attach); | |
1287 | MODULE_DESCRIPTION("NXP TDA18271HD analog / digital tuner driver"); | |
1288 | MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>"); | |
1289 | MODULE_LICENSE("GPL"); | |
5ec96b0c | 1290 | MODULE_VERSION("0.3"); |
5bea1cd3 MK |
1291 | |
1292 | /* | |
1293 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
1294 | * --------------------------------------------------------------------------- | |
1295 | * Local variables: | |
1296 | * c-basic-offset: 8 | |
1297 | * End: | |
1298 | */ |