Commit | Line | Data |
---|---|---|
74ba9207 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
5bea1cd3 | 2 | /* |
6ca04de3 | 3 | tda18271-fe.c - driver for the Philips / NXP TDA18271 silicon tuner |
5bea1cd3 | 4 | |
59067f7e | 5 | Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org> |
5bea1cd3 | 6 | |
5bea1cd3 MK |
7 | */ |
8 | ||
6ca04de3 | 9 | #include "tda18271-priv.h" |
1bacb2df | 10 | #include "tda8290.h" |
5bea1cd3 | 11 | |
36dba13b MCC |
12 | #include <linux/delay.h> |
13 | #include <linux/videodev2.h> | |
14 | ||
b5f3e1e1 | 15 | int tda18271_debug; |
54465b08 | 16 | module_param_named(debug, tda18271_debug, int, 0644); |
8ca2e927 | 17 | MODULE_PARM_DESC(debug, "set debug level (info=1, map=2, reg=4, adv=8, cal=16 (or-able))"); |
5bea1cd3 | 18 | |
81016b49 | 19 | static int tda18271_cal_on_startup = -1; |
0f96251e MK |
20 | module_param_named(cal, tda18271_cal_on_startup, int, 0644); |
21 | MODULE_PARM_DESC(cal, "perform RF tracking filter calibration on startup"); | |
22 | ||
a4f263b5 | 23 | static DEFINE_MUTEX(tda18271_list_mutex); |
f9e315a1 | 24 | static LIST_HEAD(hybrid_tuner_instance_list); |
a4f263b5 | 25 | |
5bea1cd3 MK |
26 | /*---------------------------------------------------------------------*/ |
27 | ||
4240b460 MK |
28 | static int tda18271_toggle_output(struct dvb_frontend *fe, int standby) |
29 | { | |
30 | struct tda18271_priv *priv = fe->tuner_priv; | |
31 | ||
32 | int ret = tda18271_set_standby_mode(fe, standby ? 1 : 0, | |
33 | priv->output_opt & TDA18271_OUTPUT_LT_OFF ? 1 : 0, | |
34 | priv->output_opt & TDA18271_OUTPUT_XT_OFF ? 1 : 0); | |
35 | ||
36 | if (tda_fail(ret)) | |
37 | goto fail; | |
38 | ||
dda1bb4e | 39 | tda_dbg("%s mode: xtal oscillator %s, slave tuner loop through %s\n", |
4240b460 MK |
40 | standby ? "standby" : "active", |
41 | priv->output_opt & TDA18271_OUTPUT_XT_OFF ? "off" : "on", | |
42 | priv->output_opt & TDA18271_OUTPUT_LT_OFF ? "off" : "on"); | |
43 | fail: | |
44 | return ret; | |
45 | } | |
46 | ||
47 | /*---------------------------------------------------------------------*/ | |
48 | ||
868f5ccd MK |
49 | static inline int charge_pump_source(struct dvb_frontend *fe, int force) |
50 | { | |
51 | struct tda18271_priv *priv = fe->tuner_priv; | |
52 | return tda18271_charge_pump_source(fe, | |
53 | (priv->role == TDA18271_SLAVE) ? | |
54 | TDA18271_CAL_PLL : | |
55 | TDA18271_MAIN_PLL, force); | |
56 | } | |
57 | ||
44e645c2 MK |
58 | static inline void tda18271_set_if_notch(struct dvb_frontend *fe) |
59 | { | |
60 | struct tda18271_priv *priv = fe->tuner_priv; | |
61 | unsigned char *regs = priv->tda18271_regs; | |
62 | ||
63 | switch (priv->mode) { | |
64 | case TDA18271_ANALOG: | |
65 | regs[R_MPD] &= ~0x80; /* IF notch = 0 */ | |
66 | break; | |
67 | case TDA18271_DIGITAL: | |
68 | regs[R_MPD] |= 0x80; /* IF notch = 1 */ | |
69 | break; | |
70 | } | |
71 | } | |
72 | ||
255b5113 | 73 | static int tda18271_channel_configuration(struct dvb_frontend *fe, |
c293d0a7 MK |
74 | struct tda18271_std_map_item *map, |
75 | u32 freq, u32 bw) | |
255b5113 MK |
76 | { |
77 | struct tda18271_priv *priv = fe->tuner_priv; | |
78 | unsigned char *regs = priv->tda18271_regs; | |
31940e39 | 79 | int ret; |
255b5113 MK |
80 | u32 N; |
81 | ||
82 | /* update TV broadcast parameters */ | |
83 | ||
84 | /* set standard */ | |
85 | regs[R_EP3] &= ~0x1f; /* clear std bits */ | |
7f7203df | 86 | regs[R_EP3] |= (map->agc_mode << 3) | map->std; |
255b5113 | 87 | |
51858d13 MK |
88 | if (priv->id == TDA18271HDC2) { |
89 | /* set rfagc to high speed mode */ | |
90 | regs[R_EP3] &= ~0x04; | |
91 | } | |
40194b2b | 92 | |
255b5113 MK |
93 | /* set cal mode to normal */ |
94 | regs[R_EP4] &= ~0x03; | |
95 | ||
44e645c2 | 96 | /* update IF output level */ |
255b5113 | 97 | regs[R_EP4] &= ~0x1c; /* clear if level bits */ |
14c74b23 | 98 | regs[R_EP4] |= (map->if_lvl << 2); |
255b5113 | 99 | |
c293d0a7 MK |
100 | /* update FM_RFn */ |
101 | regs[R_EP4] &= ~0x80; | |
102 | regs[R_EP4] |= map->fm_rfn << 7; | |
255b5113 | 103 | |
c0dc0c11 MK |
104 | /* update rf top / if top */ |
105 | regs[R_EB22] = 0x00; | |
106 | regs[R_EB22] |= map->rfagc_top; | |
31940e39 | 107 | ret = tda18271_write_regs(fe, R_EB22, 1); |
4bd5d107 | 108 | if (tda_fail(ret)) |
31940e39 | 109 | goto fail; |
255b5113 MK |
110 | |
111 | /* --------------------------------------------------------------- */ | |
112 | ||
113 | /* disable Power Level Indicator */ | |
114 | regs[R_EP1] |= 0x40; | |
115 | ||
7ae1ac4c MK |
116 | /* make sure thermometer is off */ |
117 | regs[R_TM] &= ~0x10; | |
118 | ||
255b5113 MK |
119 | /* frequency dependent parameters */ |
120 | ||
121 | tda18271_calc_ir_measure(fe, &freq); | |
122 | ||
123 | tda18271_calc_bp_filter(fe, &freq); | |
124 | ||
125 | tda18271_calc_rf_band(fe, &freq); | |
126 | ||
127 | tda18271_calc_gain_taper(fe, &freq); | |
128 | ||
129 | /* --------------------------------------------------------------- */ | |
130 | ||
131 | /* dual tuner and agc1 extra configuration */ | |
132 | ||
868f5ccd MK |
133 | switch (priv->role) { |
134 | case TDA18271_MASTER: | |
135 | regs[R_EB1] |= 0x04; /* main vco */ | |
136 | break; | |
137 | case TDA18271_SLAVE: | |
138 | regs[R_EB1] &= ~0x04; /* cal vco */ | |
139 | break; | |
140 | } | |
255b5113 MK |
141 | |
142 | /* agc1 always active */ | |
143 | regs[R_EB1] &= ~0x02; | |
144 | ||
145 | /* agc1 has priority on agc2 */ | |
146 | regs[R_EB1] &= ~0x01; | |
147 | ||
31940e39 | 148 | ret = tda18271_write_regs(fe, R_EB1, 1); |
4bd5d107 | 149 | if (tda_fail(ret)) |
31940e39 | 150 | goto fail; |
255b5113 MK |
151 | |
152 | /* --------------------------------------------------------------- */ | |
153 | ||
c293d0a7 | 154 | N = map->if_freq * 1000 + freq; |
255b5113 | 155 | |
868f5ccd MK |
156 | switch (priv->role) { |
157 | case TDA18271_MASTER: | |
158 | tda18271_calc_main_pll(fe, N); | |
44e645c2 | 159 | tda18271_set_if_notch(fe); |
868f5ccd MK |
160 | tda18271_write_regs(fe, R_MPD, 4); |
161 | break; | |
162 | case TDA18271_SLAVE: | |
163 | tda18271_calc_cal_pll(fe, N); | |
164 | tda18271_write_regs(fe, R_CPD, 4); | |
165 | ||
166 | regs[R_MPD] = regs[R_CPD] & 0x7f; | |
44e645c2 | 167 | tda18271_set_if_notch(fe); |
868f5ccd MK |
168 | tda18271_write_regs(fe, R_MPD, 1); |
169 | break; | |
170 | } | |
255b5113 | 171 | |
31940e39 | 172 | ret = tda18271_write_regs(fe, R_TM, 7); |
4bd5d107 | 173 | if (tda_fail(ret)) |
31940e39 | 174 | goto fail; |
255b5113 | 175 | |
868f5ccd MK |
176 | /* force charge pump source */ |
177 | charge_pump_source(fe, 1); | |
255b5113 MK |
178 | |
179 | msleep(1); | |
180 | ||
868f5ccd MK |
181 | /* return pll to normal operation */ |
182 | charge_pump_source(fe, 0); | |
255b5113 | 183 | |
40194b2b MK |
184 | msleep(20); |
185 | ||
51858d13 MK |
186 | if (priv->id == TDA18271HDC2) { |
187 | /* set rfagc to normal speed mode */ | |
188 | if (map->fm_rfn) | |
189 | regs[R_EP3] &= ~0x04; | |
190 | else | |
191 | regs[R_EP3] |= 0x04; | |
192 | ret = tda18271_write_regs(fe, R_EP3, 1); | |
193 | } | |
31940e39 MK |
194 | fail: |
195 | return ret; | |
255b5113 MK |
196 | } |
197 | ||
198 | static int tda18271_read_thermometer(struct dvb_frontend *fe) | |
199 | { | |
200 | struct tda18271_priv *priv = fe->tuner_priv; | |
201 | unsigned char *regs = priv->tda18271_regs; | |
202 | int tm; | |
203 | ||
204 | /* switch thermometer on */ | |
205 | regs[R_TM] |= 0x10; | |
206 | tda18271_write_regs(fe, R_TM, 1); | |
207 | ||
208 | /* read thermometer info */ | |
209 | tda18271_read_regs(fe); | |
210 | ||
211 | if ((((regs[R_TM] & 0x0f) == 0x00) && ((regs[R_TM] & 0x20) == 0x20)) || | |
212 | (((regs[R_TM] & 0x0f) == 0x08) && ((regs[R_TM] & 0x20) == 0x00))) { | |
213 | ||
214 | if ((regs[R_TM] & 0x20) == 0x20) | |
215 | regs[R_TM] &= ~0x20; | |
216 | else | |
217 | regs[R_TM] |= 0x20; | |
218 | ||
219 | tda18271_write_regs(fe, R_TM, 1); | |
220 | ||
221 | msleep(10); /* temperature sensing */ | |
222 | ||
223 | /* read thermometer info */ | |
224 | tda18271_read_regs(fe); | |
225 | } | |
226 | ||
227 | tm = tda18271_lookup_thermometer(fe); | |
228 | ||
229 | /* switch thermometer off */ | |
230 | regs[R_TM] &= ~0x10; | |
231 | tda18271_write_regs(fe, R_TM, 1); | |
232 | ||
233 | /* set CAL mode to normal */ | |
234 | regs[R_EP4] &= ~0x03; | |
235 | tda18271_write_regs(fe, R_EP4, 1); | |
236 | ||
237 | return tm; | |
238 | } | |
239 | ||
12afe378 MK |
240 | /* ------------------------------------------------------------------ */ |
241 | ||
d1c53424 MK |
242 | static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe, |
243 | u32 freq) | |
255b5113 MK |
244 | { |
245 | struct tda18271_priv *priv = fe->tuner_priv; | |
246 | struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; | |
247 | unsigned char *regs = priv->tda18271_regs; | |
3a6b49fe MK |
248 | int i, ret; |
249 | u8 tm_current, dc_over_dt, rf_tab; | |
250 | s32 rfcal_comp, approx; | |
255b5113 MK |
251 | |
252 | /* power up */ | |
20f42063 | 253 | ret = tda18271_set_standby_mode(fe, 0, 0, 0); |
4bd5d107 | 254 | if (tda_fail(ret)) |
20f42063 | 255 | goto fail; |
255b5113 MK |
256 | |
257 | /* read die current temperature */ | |
258 | tm_current = tda18271_read_thermometer(fe); | |
259 | ||
260 | /* frequency dependent parameters */ | |
261 | ||
262 | tda18271_calc_rf_cal(fe, &freq); | |
263 | rf_tab = regs[R_EB14]; | |
264 | ||
265 | i = tda18271_lookup_rf_band(fe, &freq, NULL); | |
4bd5d107 MK |
266 | if (tda_fail(i)) |
267 | return i; | |
255b5113 MK |
268 | |
269 | if ((0 == map[i].rf3) || (freq / 1000 < map[i].rf2)) { | |
3a6b49fe MK |
270 | approx = map[i].rf_a1 * (s32)(freq / 1000 - map[i].rf1) + |
271 | map[i].rf_b1 + rf_tab; | |
255b5113 | 272 | } else { |
3a6b49fe MK |
273 | approx = map[i].rf_a2 * (s32)(freq / 1000 - map[i].rf2) + |
274 | map[i].rf_b2 + rf_tab; | |
255b5113 MK |
275 | } |
276 | ||
277 | if (approx < 0) | |
278 | approx = 0; | |
279 | if (approx > 255) | |
280 | approx = 255; | |
281 | ||
282 | tda18271_lookup_map(fe, RF_CAL_DC_OVER_DT, &freq, &dc_over_dt); | |
283 | ||
284 | /* calculate temperature compensation */ | |
3a6b49fe | 285 | rfcal_comp = dc_over_dt * (s32)(tm_current - priv->tm_rfcal) / 1000; |
255b5113 | 286 | |
3a6b49fe | 287 | regs[R_EB14] = (unsigned char)(approx + rfcal_comp); |
20f42063 MK |
288 | ret = tda18271_write_regs(fe, R_EB14, 1); |
289 | fail: | |
290 | return ret; | |
255b5113 MK |
291 | } |
292 | ||
293 | static int tda18271_por(struct dvb_frontend *fe) | |
294 | { | |
295 | struct tda18271_priv *priv = fe->tuner_priv; | |
296 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 297 | int ret; |
255b5113 MK |
298 | |
299 | /* power up detector 1 */ | |
300 | regs[R_EB12] &= ~0x20; | |
24124f78 | 301 | ret = tda18271_write_regs(fe, R_EB12, 1); |
4bd5d107 | 302 | if (tda_fail(ret)) |
24124f78 | 303 | goto fail; |
255b5113 MK |
304 | |
305 | regs[R_EB18] &= ~0x80; /* turn agc1 loop on */ | |
306 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
24124f78 | 307 | ret = tda18271_write_regs(fe, R_EB18, 1); |
4bd5d107 | 308 | if (tda_fail(ret)) |
24124f78 | 309 | goto fail; |
255b5113 MK |
310 | |
311 | regs[R_EB21] |= 0x03; /* set agc2_gain to -6 dB */ | |
312 | ||
313 | /* POR mode */ | |
24124f78 | 314 | ret = tda18271_set_standby_mode(fe, 1, 0, 0); |
4bd5d107 | 315 | if (tda_fail(ret)) |
24124f78 | 316 | goto fail; |
255b5113 MK |
317 | |
318 | /* disable 1.5 MHz low pass filter */ | |
319 | regs[R_EB23] &= ~0x04; /* forcelp_fc2_en = 0 */ | |
320 | regs[R_EB23] &= ~0x02; /* XXX: lp_fc[2] = 0 */ | |
24124f78 MK |
321 | ret = tda18271_write_regs(fe, R_EB21, 3); |
322 | fail: | |
323 | return ret; | |
255b5113 MK |
324 | } |
325 | ||
326 | static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq) | |
327 | { | |
328 | struct tda18271_priv *priv = fe->tuner_priv; | |
329 | unsigned char *regs = priv->tda18271_regs; | |
330 | u32 N; | |
331 | ||
332 | /* set CAL mode to normal */ | |
333 | regs[R_EP4] &= ~0x03; | |
334 | tda18271_write_regs(fe, R_EP4, 1); | |
335 | ||
336 | /* switch off agc1 */ | |
337 | regs[R_EP3] |= 0x40; /* sm_lt = 1 */ | |
338 | ||
339 | regs[R_EB18] |= 0x03; /* set agc1_gain to 15 dB */ | |
340 | tda18271_write_regs(fe, R_EB18, 1); | |
341 | ||
342 | /* frequency dependent parameters */ | |
343 | ||
344 | tda18271_calc_bp_filter(fe, &freq); | |
345 | tda18271_calc_gain_taper(fe, &freq); | |
346 | tda18271_calc_rf_band(fe, &freq); | |
347 | tda18271_calc_km(fe, &freq); | |
348 | ||
349 | tda18271_write_regs(fe, R_EP1, 3); | |
350 | tda18271_write_regs(fe, R_EB13, 1); | |
351 | ||
352 | /* main pll charge pump source */ | |
4efb0ca5 | 353 | tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1); |
255b5113 MK |
354 | |
355 | /* cal pll charge pump source */ | |
4efb0ca5 | 356 | tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 1); |
255b5113 MK |
357 | |
358 | /* force dcdc converter to 0 V */ | |
359 | regs[R_EB14] = 0x00; | |
360 | tda18271_write_regs(fe, R_EB14, 1); | |
361 | ||
362 | /* disable plls lock */ | |
363 | regs[R_EB20] &= ~0x20; | |
364 | tda18271_write_regs(fe, R_EB20, 1); | |
365 | ||
366 | /* set CAL mode to RF tracking filter calibration */ | |
367 | regs[R_EP4] |= 0x03; | |
368 | tda18271_write_regs(fe, R_EP4, 2); | |
369 | ||
370 | /* --------------------------------------------------------------- */ | |
371 | ||
372 | /* set the internal calibration signal */ | |
373 | N = freq; | |
374 | ||
ae07d042 MK |
375 | tda18271_calc_cal_pll(fe, N); |
376 | tda18271_write_regs(fe, R_CPD, 4); | |
255b5113 MK |
377 | |
378 | /* downconvert internal calibration */ | |
379 | N += 1000000; | |
380 | ||
381 | tda18271_calc_main_pll(fe, N); | |
382 | tda18271_write_regs(fe, R_MPD, 4); | |
383 | ||
384 | msleep(5); | |
385 | ||
386 | tda18271_write_regs(fe, R_EP2, 1); | |
387 | tda18271_write_regs(fe, R_EP1, 1); | |
388 | tda18271_write_regs(fe, R_EP2, 1); | |
389 | tda18271_write_regs(fe, R_EP1, 1); | |
390 | ||
391 | /* --------------------------------------------------------------- */ | |
392 | ||
393 | /* normal operation for the main pll */ | |
4efb0ca5 | 394 | tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0); |
255b5113 MK |
395 | |
396 | /* normal operation for the cal pll */ | |
4efb0ca5 | 397 | tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 0); |
255b5113 | 398 | |
ae07d042 | 399 | msleep(10); /* plls locking */ |
255b5113 MK |
400 | |
401 | /* launch the rf tracking filters calibration */ | |
402 | regs[R_EB20] |= 0x20; | |
403 | tda18271_write_regs(fe, R_EB20, 1); | |
404 | ||
405 | msleep(60); /* calibration */ | |
406 | ||
407 | /* --------------------------------------------------------------- */ | |
408 | ||
409 | /* set CAL mode to normal */ | |
410 | regs[R_EP4] &= ~0x03; | |
411 | ||
412 | /* switch on agc1 */ | |
413 | regs[R_EP3] &= ~0x40; /* sm_lt = 0 */ | |
414 | ||
415 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
416 | tda18271_write_regs(fe, R_EB18, 1); | |
417 | ||
418 | tda18271_write_regs(fe, R_EP3, 2); | |
419 | ||
420 | /* synchronization */ | |
421 | tda18271_write_regs(fe, R_EP1, 1); | |
422 | ||
423 | /* get calibration result */ | |
424 | tda18271_read_extended(fe); | |
425 | ||
426 | return regs[R_EB14]; | |
427 | } | |
428 | ||
429 | static int tda18271_powerscan(struct dvb_frontend *fe, | |
430 | u32 *freq_in, u32 *freq_out) | |
431 | { | |
432 | struct tda18271_priv *priv = fe->tuner_priv; | |
433 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 434 | int sgn, bcal, count, wait, ret; |
255b5113 MK |
435 | u8 cid_target; |
436 | u16 count_limit; | |
437 | u32 freq; | |
438 | ||
439 | freq = *freq_in; | |
440 | ||
441 | tda18271_calc_rf_band(fe, &freq); | |
442 | tda18271_calc_rf_cal(fe, &freq); | |
443 | tda18271_calc_gain_taper(fe, &freq); | |
444 | tda18271_lookup_cid_target(fe, &freq, &cid_target, &count_limit); | |
445 | ||
446 | tda18271_write_regs(fe, R_EP2, 1); | |
447 | tda18271_write_regs(fe, R_EB14, 1); | |
448 | ||
449 | /* downconvert frequency */ | |
450 | freq += 1000000; | |
451 | ||
452 | tda18271_calc_main_pll(fe, freq); | |
453 | tda18271_write_regs(fe, R_MPD, 4); | |
454 | ||
455 | msleep(5); /* pll locking */ | |
456 | ||
457 | /* detection mode */ | |
458 | regs[R_EP4] &= ~0x03; | |
459 | regs[R_EP4] |= 0x01; | |
460 | tda18271_write_regs(fe, R_EP4, 1); | |
461 | ||
462 | /* launch power detection measurement */ | |
463 | tda18271_write_regs(fe, R_EP2, 1); | |
464 | ||
465 | /* read power detection info, stored in EB10 */ | |
24124f78 | 466 | ret = tda18271_read_extended(fe); |
4bd5d107 | 467 | if (tda_fail(ret)) |
24124f78 | 468 | return ret; |
255b5113 MK |
469 | |
470 | /* algorithm initialization */ | |
471 | sgn = 1; | |
472 | *freq_out = *freq_in; | |
255b5113 MK |
473 | count = 0; |
474 | wait = false; | |
475 | ||
476 | while ((regs[R_EB10] & 0x3f) < cid_target) { | |
477 | /* downconvert updated freq to 1 MHz */ | |
478 | freq = *freq_in + (sgn * count) + 1000000; | |
479 | ||
480 | tda18271_calc_main_pll(fe, freq); | |
481 | tda18271_write_regs(fe, R_MPD, 4); | |
482 | ||
483 | if (wait) { | |
484 | msleep(5); /* pll locking */ | |
485 | wait = false; | |
486 | } else | |
487 | udelay(100); /* pll locking */ | |
488 | ||
489 | /* launch power detection measurement */ | |
490 | tda18271_write_regs(fe, R_EP2, 1); | |
491 | ||
492 | /* read power detection info, stored in EB10 */ | |
24124f78 | 493 | ret = tda18271_read_extended(fe); |
4bd5d107 | 494 | if (tda_fail(ret)) |
24124f78 | 495 | return ret; |
255b5113 MK |
496 | |
497 | count += 200; | |
498 | ||
e7809a07 | 499 | if (count <= count_limit) |
255b5113 MK |
500 | continue; |
501 | ||
502 | if (sgn <= 0) | |
503 | break; | |
504 | ||
505 | sgn = -1 * sgn; | |
506 | count = 200; | |
507 | wait = true; | |
508 | } | |
509 | ||
510 | if ((regs[R_EB10] & 0x3f) >= cid_target) { | |
511 | bcal = 1; | |
512 | *freq_out = freq - 1000000; | |
513 | } else | |
514 | bcal = 0; | |
515 | ||
cf04d29c | 516 | tda_cal("bcal = %d, freq_in = %d, freq_out = %d (freq = %d)\n", |
255b5113 MK |
517 | bcal, *freq_in, *freq_out, freq); |
518 | ||
519 | return bcal; | |
520 | } | |
521 | ||
522 | static int tda18271_powerscan_init(struct dvb_frontend *fe) | |
523 | { | |
524 | struct tda18271_priv *priv = fe->tuner_priv; | |
525 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 526 | int ret; |
255b5113 MK |
527 | |
528 | /* set standard to digital */ | |
529 | regs[R_EP3] &= ~0x1f; /* clear std bits */ | |
530 | regs[R_EP3] |= 0x12; | |
531 | ||
532 | /* set cal mode to normal */ | |
533 | regs[R_EP4] &= ~0x03; | |
534 | ||
44e645c2 | 535 | /* update IF output level */ |
255b5113 MK |
536 | regs[R_EP4] &= ~0x1c; /* clear if level bits */ |
537 | ||
24124f78 | 538 | ret = tda18271_write_regs(fe, R_EP3, 2); |
4bd5d107 | 539 | if (tda_fail(ret)) |
24124f78 | 540 | goto fail; |
255b5113 MK |
541 | |
542 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
24124f78 | 543 | ret = tda18271_write_regs(fe, R_EB18, 1); |
4bd5d107 | 544 | if (tda_fail(ret)) |
24124f78 | 545 | goto fail; |
255b5113 MK |
546 | |
547 | regs[R_EB21] &= ~0x03; /* set agc2_gain to -15 dB */ | |
548 | ||
549 | /* 1.5 MHz low pass filter */ | |
550 | regs[R_EB23] |= 0x04; /* forcelp_fc2_en = 1 */ | |
551 | regs[R_EB23] |= 0x02; /* lp_fc[2] = 1 */ | |
552 | ||
24124f78 MK |
553 | ret = tda18271_write_regs(fe, R_EB21, 3); |
554 | fail: | |
555 | return ret; | |
255b5113 MK |
556 | } |
557 | ||
558 | static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq) | |
559 | { | |
560 | struct tda18271_priv *priv = fe->tuner_priv; | |
561 | struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; | |
562 | unsigned char *regs = priv->tda18271_regs; | |
563 | int bcal, rf, i; | |
3986bd11 | 564 | s32 divisor, dividend; |
255b5113 MK |
565 | #define RF1 0 |
566 | #define RF2 1 | |
567 | #define RF3 2 | |
568 | u32 rf_default[3]; | |
569 | u32 rf_freq[3]; | |
381ad0ea MK |
570 | s32 prog_cal[3]; |
571 | s32 prog_tab[3]; | |
255b5113 MK |
572 | |
573 | i = tda18271_lookup_rf_band(fe, &freq, NULL); | |
574 | ||
4bd5d107 | 575 | if (tda_fail(i)) |
255b5113 MK |
576 | return i; |
577 | ||
578 | rf_default[RF1] = 1000 * map[i].rf1_def; | |
579 | rf_default[RF2] = 1000 * map[i].rf2_def; | |
580 | rf_default[RF3] = 1000 * map[i].rf3_def; | |
581 | ||
582 | for (rf = RF1; rf <= RF3; rf++) { | |
583 | if (0 == rf_default[rf]) | |
584 | return 0; | |
cf04d29c | 585 | tda_cal("freq = %d, rf = %d\n", freq, rf); |
255b5113 MK |
586 | |
587 | /* look for optimized calibration frequency */ | |
588 | bcal = tda18271_powerscan(fe, &rf_default[rf], &rf_freq[rf]); | |
4bd5d107 | 589 | if (tda_fail(bcal)) |
24124f78 | 590 | return bcal; |
255b5113 MK |
591 | |
592 | tda18271_calc_rf_cal(fe, &rf_freq[rf]); | |
381ad0ea | 593 | prog_tab[rf] = (s32)regs[R_EB14]; |
255b5113 MK |
594 | |
595 | if (1 == bcal) | |
381ad0ea MK |
596 | prog_cal[rf] = |
597 | (s32)tda18271_calibrate_rf(fe, rf_freq[rf]); | |
255b5113 MK |
598 | else |
599 | prog_cal[rf] = prog_tab[rf]; | |
600 | ||
601 | switch (rf) { | |
602 | case RF1: | |
603 | map[i].rf_a1 = 0; | |
381ad0ea | 604 | map[i].rf_b1 = (prog_cal[RF1] - prog_tab[RF1]); |
255b5113 MK |
605 | map[i].rf1 = rf_freq[RF1] / 1000; |
606 | break; | |
607 | case RF2: | |
381ad0ea MK |
608 | dividend = (prog_cal[RF2] - prog_tab[RF2] - |
609 | prog_cal[RF1] + prog_tab[RF1]); | |
3986bd11 MK |
610 | divisor = (s32)(rf_freq[RF2] - rf_freq[RF1]) / 1000; |
611 | map[i].rf_a1 = (dividend / divisor); | |
255b5113 MK |
612 | map[i].rf2 = rf_freq[RF2] / 1000; |
613 | break; | |
614 | case RF3: | |
381ad0ea MK |
615 | dividend = (prog_cal[RF3] - prog_tab[RF3] - |
616 | prog_cal[RF2] + prog_tab[RF2]); | |
3986bd11 MK |
617 | divisor = (s32)(rf_freq[RF3] - rf_freq[RF2]) / 1000; |
618 | map[i].rf_a2 = (dividend / divisor); | |
381ad0ea | 619 | map[i].rf_b2 = (prog_cal[RF2] - prog_tab[RF2]); |
255b5113 MK |
620 | map[i].rf3 = rf_freq[RF3] / 1000; |
621 | break; | |
622 | default: | |
623 | BUG(); | |
624 | } | |
625 | } | |
626 | ||
627 | return 0; | |
628 | } | |
629 | ||
09f83c4f | 630 | static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe) |
255b5113 MK |
631 | { |
632 | struct tda18271_priv *priv = fe->tuner_priv; | |
633 | unsigned int i; | |
24124f78 | 634 | int ret; |
255b5113 | 635 | |
36dba13b | 636 | tda_info("performing RF tracking filter calibration\n"); |
255b5113 MK |
637 | |
638 | /* wait for die temperature stabilization */ | |
639 | msleep(200); | |
640 | ||
24124f78 | 641 | ret = tda18271_powerscan_init(fe); |
4bd5d107 | 642 | if (tda_fail(ret)) |
24124f78 | 643 | goto fail; |
255b5113 MK |
644 | |
645 | /* rf band calibration */ | |
c151c32f MK |
646 | for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++) { |
647 | ret = | |
255b5113 MK |
648 | tda18271_rf_tracking_filters_init(fe, 1000 * |
649 | priv->rf_cal_state[i].rfmax); | |
4bd5d107 | 650 | if (tda_fail(ret)) |
c151c32f MK |
651 | goto fail; |
652 | } | |
255b5113 | 653 | |
09f83c4f | 654 | priv->tm_rfcal = tda18271_read_thermometer(fe); |
24124f78 MK |
655 | fail: |
656 | return ret; | |
255b5113 MK |
657 | } |
658 | ||
659 | /* ------------------------------------------------------------------ */ | |
660 | ||
12afe378 | 661 | static int tda18271c2_rf_cal_init(struct dvb_frontend *fe) |
255b5113 MK |
662 | { |
663 | struct tda18271_priv *priv = fe->tuner_priv; | |
839c6c96 | 664 | unsigned char *regs = priv->tda18271_regs; |
24124f78 | 665 | int ret; |
839c6c96 MK |
666 | |
667 | /* test RF_CAL_OK to see if we need init */ | |
668 | if ((regs[R_EP1] & 0x10) == 0) | |
669 | priv->cal_initialized = false; | |
255b5113 MK |
670 | |
671 | if (priv->cal_initialized) | |
672 | return 0; | |
673 | ||
24124f78 | 674 | ret = tda18271_calc_rf_filter_curve(fe); |
4bd5d107 | 675 | if (tda_fail(ret)) |
24124f78 | 676 | goto fail; |
255b5113 | 677 | |
24124f78 | 678 | ret = tda18271_por(fe); |
4bd5d107 | 679 | if (tda_fail(ret)) |
24124f78 | 680 | goto fail; |
255b5113 | 681 | |
36dba13b | 682 | tda_info("RF tracking filter calibration complete\n"); |
6bfa6657 | 683 | |
255b5113 | 684 | priv->cal_initialized = true; |
c151c32f | 685 | goto end; |
24124f78 | 686 | fail: |
36dba13b | 687 | tda_info("RF tracking filter calibration failed!\n"); |
c151c32f | 688 | end: |
24124f78 | 689 | return ret; |
255b5113 MK |
690 | } |
691 | ||
4d2d42bc MK |
692 | static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe, |
693 | u32 freq, u32 bw) | |
5bea1cd3 MK |
694 | { |
695 | struct tda18271_priv *priv = fe->tuner_priv; | |
696 | unsigned char *regs = priv->tda18271_regs; | |
10ed0bf4 | 697 | int ret; |
fe0bf6d7 | 698 | u32 N = 0; |
5bea1cd3 | 699 | |
255b5113 | 700 | /* calculate bp filter */ |
b92bf0f6 | 701 | tda18271_calc_bp_filter(fe, &freq); |
5bea1cd3 MK |
702 | tda18271_write_regs(fe, R_EP1, 1); |
703 | ||
704 | regs[R_EB4] &= 0x07; | |
705 | regs[R_EB4] |= 0x60; | |
706 | tda18271_write_regs(fe, R_EB4, 1); | |
707 | ||
708 | regs[R_EB7] = 0x60; | |
709 | tda18271_write_regs(fe, R_EB7, 1); | |
710 | ||
711 | regs[R_EB14] = 0x00; | |
712 | tda18271_write_regs(fe, R_EB14, 1); | |
713 | ||
714 | regs[R_EB20] = 0xcc; | |
715 | tda18271_write_regs(fe, R_EB20, 1); | |
716 | ||
255b5113 | 717 | /* set cal mode to RF tracking filter calibration */ |
26501a70 | 718 | regs[R_EP4] |= 0x03; |
5bea1cd3 | 719 | |
255b5113 | 720 | /* calculate cal pll */ |
5bea1cd3 MK |
721 | |
722 | switch (priv->mode) { | |
723 | case TDA18271_ANALOG: | |
724 | N = freq - 1250000; | |
725 | break; | |
726 | case TDA18271_DIGITAL: | |
727 | N = freq + bw / 2; | |
728 | break; | |
729 | } | |
730 | ||
fe0bf6d7 | 731 | tda18271_calc_cal_pll(fe, N); |
5bea1cd3 | 732 | |
255b5113 | 733 | /* calculate main pll */ |
5bea1cd3 MK |
734 | |
735 | switch (priv->mode) { | |
736 | case TDA18271_ANALOG: | |
737 | N = freq - 250000; | |
738 | break; | |
739 | case TDA18271_DIGITAL: | |
740 | N = freq + bw / 2 + 1000000; | |
741 | break; | |
742 | } | |
743 | ||
fe0bf6d7 | 744 | tda18271_calc_main_pll(fe, N); |
5bea1cd3 | 745 | |
10ed0bf4 | 746 | ret = tda18271_write_regs(fe, R_EP3, 11); |
4bd5d107 | 747 | if (tda_fail(ret)) |
10ed0bf4 MK |
748 | return ret; |
749 | ||
5bea1cd3 MK |
750 | msleep(5); /* RF tracking filter calibration initialization */ |
751 | ||
255b5113 | 752 | /* search for K,M,CO for RF calibration */ |
b92bf0f6 | 753 | tda18271_calc_km(fe, &freq); |
5bea1cd3 MK |
754 | tda18271_write_regs(fe, R_EB13, 1); |
755 | ||
255b5113 | 756 | /* search for rf band */ |
b92bf0f6 | 757 | tda18271_calc_rf_band(fe, &freq); |
5bea1cd3 | 758 | |
255b5113 | 759 | /* search for gain taper */ |
b92bf0f6 | 760 | tda18271_calc_gain_taper(fe, &freq); |
5bea1cd3 MK |
761 | |
762 | tda18271_write_regs(fe, R_EP2, 1); | |
763 | tda18271_write_regs(fe, R_EP1, 1); | |
764 | tda18271_write_regs(fe, R_EP2, 1); | |
765 | tda18271_write_regs(fe, R_EP1, 1); | |
766 | ||
767 | regs[R_EB4] &= 0x07; | |
768 | regs[R_EB4] |= 0x40; | |
769 | tda18271_write_regs(fe, R_EB4, 1); | |
770 | ||
771 | regs[R_EB7] = 0x40; | |
772 | tda18271_write_regs(fe, R_EB7, 1); | |
4d2d42bc | 773 | msleep(10); /* pll locking */ |
5bea1cd3 MK |
774 | |
775 | regs[R_EB20] = 0xec; | |
776 | tda18271_write_regs(fe, R_EB20, 1); | |
777 | msleep(60); /* RF tracking filter calibration completion */ | |
778 | ||
779 | regs[R_EP4] &= ~0x03; /* set cal mode to normal */ | |
780 | tda18271_write_regs(fe, R_EP4, 1); | |
781 | ||
782 | tda18271_write_regs(fe, R_EP1, 1); | |
783 | ||
b92bf0f6 MK |
784 | /* RF tracking filter correction for VHF_Low band */ |
785 | if (0 == tda18271_calc_rf_cal(fe, &freq)) | |
5bea1cd3 | 786 | tda18271_write_regs(fe, R_EB14, 1); |
5bea1cd3 | 787 | |
4d2d42bc MK |
788 | return 0; |
789 | } | |
790 | ||
d1c53424 MK |
791 | /* ------------------------------------------------------------------ */ |
792 | ||
12afe378 MK |
793 | static int tda18271_ir_cal_init(struct dvb_frontend *fe) |
794 | { | |
795 | struct tda18271_priv *priv = fe->tuner_priv; | |
796 | unsigned char *regs = priv->tda18271_regs; | |
d35fccaf | 797 | int ret; |
12afe378 | 798 | |
d35fccaf | 799 | ret = tda18271_read_regs(fe); |
4bd5d107 | 800 | if (tda_fail(ret)) |
d35fccaf | 801 | goto fail; |
12afe378 MK |
802 | |
803 | /* test IR_CAL_OK to see if we need init */ | |
804 | if ((regs[R_EP1] & 0x08) == 0) | |
d35fccaf MK |
805 | ret = tda18271_init_regs(fe); |
806 | fail: | |
807 | return ret; | |
12afe378 MK |
808 | } |
809 | ||
810 | static int tda18271_init(struct dvb_frontend *fe) | |
811 | { | |
812 | struct tda18271_priv *priv = fe->tuner_priv; | |
d35fccaf | 813 | int ret; |
12afe378 MK |
814 | |
815 | mutex_lock(&priv->lock); | |
816 | ||
4240b460 | 817 | /* full power up */ |
d35fccaf | 818 | ret = tda18271_set_standby_mode(fe, 0, 0, 0); |
4bd5d107 | 819 | if (tda_fail(ret)) |
d35fccaf | 820 | goto fail; |
12afe378 MK |
821 | |
822 | /* initialization */ | |
d35fccaf | 823 | ret = tda18271_ir_cal_init(fe); |
4bd5d107 | 824 | if (tda_fail(ret)) |
d35fccaf | 825 | goto fail; |
12afe378 MK |
826 | |
827 | if (priv->id == TDA18271HDC2) | |
828 | tda18271c2_rf_cal_init(fe); | |
d35fccaf | 829 | fail: |
12afe378 MK |
830 | mutex_unlock(&priv->lock); |
831 | ||
d35fccaf | 832 | return ret; |
12afe378 MK |
833 | } |
834 | ||
cc7e26d4 MK |
835 | static int tda18271_sleep(struct dvb_frontend *fe) |
836 | { | |
837 | struct tda18271_priv *priv = fe->tuner_priv; | |
838 | int ret; | |
839 | ||
840 | mutex_lock(&priv->lock); | |
841 | ||
842 | /* enter standby mode, with required output features enabled */ | |
843 | ret = tda18271_toggle_output(fe, 1); | |
844 | ||
845 | mutex_unlock(&priv->lock); | |
846 | ||
847 | return ret; | |
848 | } | |
849 | ||
adcc4b3e MK |
850 | /* ------------------------------------------------------------------ */ |
851 | ||
852 | static int tda18271_agc(struct dvb_frontend *fe) | |
853 | { | |
854 | struct tda18271_priv *priv = fe->tuner_priv; | |
855 | int ret = 0; | |
856 | ||
857 | switch (priv->config) { | |
1bacb2df | 858 | case TDA8290_LNA_OFF: |
ecda4273 MK |
859 | /* no external agc configuration required */ |
860 | if (tda18271_debug & DBG_ADV) | |
861 | tda_dbg("no agc configuration provided\n"); | |
adcc4b3e | 862 | break; |
1bacb2df | 863 | case TDA8290_LNA_ON_BRIDGE: |
adcc4b3e MK |
864 | /* switch with GPIO of saa713x */ |
865 | tda_dbg("invoking callback\n"); | |
866 | if (fe->callback) | |
867 | ret = fe->callback(priv->i2c_props.adap->algo_data, | |
868 | DVB_FRONTEND_COMPONENT_TUNER, | |
869 | TDA18271_CALLBACK_CMD_AGC_ENABLE, | |
870 | priv->mode); | |
871 | break; | |
1bacb2df OZ |
872 | case TDA8290_LNA_GP0_HIGH_ON: |
873 | case TDA8290_LNA_GP0_HIGH_OFF: | |
adcc4b3e MK |
874 | default: |
875 | /* n/a - currently not supported */ | |
876 | tda_err("unsupported configuration: %d\n", priv->config); | |
877 | ret = -EINVAL; | |
878 | break; | |
879 | } | |
880 | return ret; | |
881 | } | |
882 | ||
d1c53424 | 883 | static int tda18271_tune(struct dvb_frontend *fe, |
c293d0a7 | 884 | struct tda18271_std_map_item *map, u32 freq, u32 bw) |
4d2d42bc MK |
885 | { |
886 | struct tda18271_priv *priv = fe->tuner_priv; | |
d35fccaf | 887 | int ret; |
4d2d42bc | 888 | |
7f7203df MK |
889 | tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n", |
890 | freq, map->if_freq, bw, map->agc_mode, map->std); | |
d1c53424 | 891 | |
adcc4b3e MK |
892 | ret = tda18271_agc(fe); |
893 | if (tda_fail(ret)) | |
894 | tda_warn("failed to configure agc\n"); | |
895 | ||
d35fccaf | 896 | ret = tda18271_init(fe); |
4bd5d107 | 897 | if (tda_fail(ret)) |
d35fccaf | 898 | goto fail; |
4d2d42bc MK |
899 | |
900 | mutex_lock(&priv->lock); | |
901 | ||
ccbac9bb MK |
902 | switch (priv->id) { |
903 | case TDA18271HDC1: | |
d1c53424 | 904 | tda18271c1_rf_tracking_filter_calibration(fe, freq, bw); |
ccbac9bb MK |
905 | break; |
906 | case TDA18271HDC2: | |
d1c53424 | 907 | tda18271c2_rf_tracking_filters_correction(fe, freq); |
ccbac9bb MK |
908 | break; |
909 | } | |
31940e39 | 910 | ret = tda18271_channel_configuration(fe, map, freq, bw); |
d1c53424 MK |
911 | |
912 | mutex_unlock(&priv->lock); | |
d35fccaf MK |
913 | fail: |
914 | return ret; | |
ccbac9bb MK |
915 | } |
916 | ||
5bea1cd3 MK |
917 | /* ------------------------------------------------------------------ */ |
918 | ||
14d24d14 | 919 | static int tda18271_set_params(struct dvb_frontend *fe) |
5bea1cd3 | 920 | { |
5ca1c94d MCC |
921 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
922 | u32 delsys = c->delivery_system; | |
923 | u32 bw = c->bandwidth_hz; | |
924 | u32 freq = c->frequency; | |
5bea1cd3 | 925 | struct tda18271_priv *priv = fe->tuner_priv; |
f21e0d7f | 926 | struct tda18271_std_map *std_map = &priv->std; |
c293d0a7 | 927 | struct tda18271_std_map_item *map; |
ccbac9bb | 928 | int ret; |
5bea1cd3 MK |
929 | |
930 | priv->mode = TDA18271_DIGITAL; | |
931 | ||
5ca1c94d MCC |
932 | switch (delsys) { |
933 | case SYS_ATSC: | |
934 | map = &std_map->atsc_6; | |
5bea1cd3 | 935 | bw = 6000000; |
5ca1c94d | 936 | break; |
083b6b8a | 937 | case SYS_ISDBT: |
5ca1c94d MCC |
938 | case SYS_DVBT: |
939 | case SYS_DVBT2: | |
940 | if (bw <= 6000000) { | |
c293d0a7 | 941 | map = &std_map->dvbt_6; |
5ca1c94d | 942 | } else if (bw <= 7000000) { |
c293d0a7 | 943 | map = &std_map->dvbt_7; |
5ca1c94d | 944 | } else { |
c293d0a7 | 945 | map = &std_map->dvbt_8; |
5bea1cd3 | 946 | } |
5ca1c94d MCC |
947 | break; |
948 | case SYS_DVBC_ANNEX_B: | |
949 | bw = 6000000; | |
1771e9fb | 950 | fallthrough; |
5ca1c94d MCC |
951 | case SYS_DVBC_ANNEX_A: |
952 | case SYS_DVBC_ANNEX_C: | |
953 | if (bw <= 6000000) { | |
954 | map = &std_map->qam_6; | |
955 | } else if (bw <= 7000000) { | |
956 | map = &std_map->qam_7; | |
5ca1c94d MCC |
957 | } else { |
958 | map = &std_map->qam_8; | |
5ca1c94d MCC |
959 | } |
960 | break; | |
961 | default: | |
182519f4 | 962 | tda_warn("modulation type not supported!\n"); |
5bea1cd3 MK |
963 | return -EINVAL; |
964 | } | |
965 | ||
ed73683f MK |
966 | /* When tuning digital, the analog demod must be tri-stated */ |
967 | if (fe->ops.analog_ops.standby) | |
968 | fe->ops.analog_ops.standby(fe); | |
969 | ||
c293d0a7 | 970 | ret = tda18271_tune(fe, map, freq, bw); |
ccbac9bb | 971 | |
4bd5d107 | 972 | if (tda_fail(ret)) |
ccbac9bb MK |
973 | goto fail; |
974 | ||
8c8ee113 | 975 | priv->if_freq = map->if_freq; |
ccbac9bb | 976 | priv->frequency = freq; |
c6f56e7d | 977 | priv->bandwidth = bw; |
ccbac9bb MK |
978 | fail: |
979 | return ret; | |
5bea1cd3 MK |
980 | } |
981 | ||
982 | static int tda18271_set_analog_params(struct dvb_frontend *fe, | |
983 | struct analog_parameters *params) | |
984 | { | |
985 | struct tda18271_priv *priv = fe->tuner_priv; | |
f21e0d7f | 986 | struct tda18271_std_map *std_map = &priv->std; |
c293d0a7 | 987 | struct tda18271_std_map_item *map; |
5bea1cd3 | 988 | char *mode; |
c293d0a7 | 989 | int ret; |
4d831787 MK |
990 | u32 freq = params->frequency * 125 * |
991 | ((params->mode == V4L2_TUNER_RADIO) ? 1 : 1000) / 2; | |
5bea1cd3 MK |
992 | |
993 | priv->mode = TDA18271_ANALOG; | |
994 | ||
c353f42f | 995 | if (params->mode == V4L2_TUNER_RADIO) { |
c293d0a7 | 996 | map = &std_map->fm_radio; |
c353f42f MK |
997 | mode = "fm"; |
998 | } else if (params->std & V4L2_STD_MN) { | |
c293d0a7 | 999 | map = &std_map->atv_mn; |
5bea1cd3 MK |
1000 | mode = "MN"; |
1001 | } else if (params->std & V4L2_STD_B) { | |
c293d0a7 | 1002 | map = &std_map->atv_b; |
5bea1cd3 MK |
1003 | mode = "B"; |
1004 | } else if (params->std & V4L2_STD_GH) { | |
c293d0a7 | 1005 | map = &std_map->atv_gh; |
5bea1cd3 MK |
1006 | mode = "GH"; |
1007 | } else if (params->std & V4L2_STD_PAL_I) { | |
c293d0a7 | 1008 | map = &std_map->atv_i; |
5bea1cd3 MK |
1009 | mode = "I"; |
1010 | } else if (params->std & V4L2_STD_DK) { | |
c293d0a7 | 1011 | map = &std_map->atv_dk; |
5bea1cd3 MK |
1012 | mode = "DK"; |
1013 | } else if (params->std & V4L2_STD_SECAM_L) { | |
c293d0a7 | 1014 | map = &std_map->atv_l; |
5bea1cd3 MK |
1015 | mode = "L"; |
1016 | } else if (params->std & V4L2_STD_SECAM_LC) { | |
c293d0a7 | 1017 | map = &std_map->atv_lc; |
95af8a26 | 1018 | mode = "L'"; |
5bea1cd3 | 1019 | } else { |
c293d0a7 | 1020 | map = &std_map->atv_i; |
5bea1cd3 MK |
1021 | mode = "xx"; |
1022 | } | |
1023 | ||
182519f4 | 1024 | tda_dbg("setting tda18271 to system %s\n", mode); |
5bea1cd3 | 1025 | |
c293d0a7 | 1026 | ret = tda18271_tune(fe, map, freq, 0); |
ccbac9bb | 1027 | |
4bd5d107 | 1028 | if (tda_fail(ret)) |
ccbac9bb MK |
1029 | goto fail; |
1030 | ||
8c8ee113 | 1031 | priv->if_freq = map->if_freq; |
ccbac9bb MK |
1032 | priv->frequency = freq; |
1033 | priv->bandwidth = 0; | |
1034 | fail: | |
1035 | return ret; | |
5bea1cd3 MK |
1036 | } |
1037 | ||
194ced7a | 1038 | static void tda18271_release(struct dvb_frontend *fe) |
5bea1cd3 | 1039 | { |
a4f263b5 MK |
1040 | struct tda18271_priv *priv = fe->tuner_priv; |
1041 | ||
1042 | mutex_lock(&tda18271_list_mutex); | |
1043 | ||
f9e315a1 MK |
1044 | if (priv) |
1045 | hybrid_tuner_release_state(priv); | |
a4f263b5 | 1046 | |
a4f263b5 MK |
1047 | mutex_unlock(&tda18271_list_mutex); |
1048 | ||
5bea1cd3 | 1049 | fe->tuner_priv = NULL; |
5bea1cd3 MK |
1050 | } |
1051 | ||
1052 | static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
1053 | { | |
1054 | struct tda18271_priv *priv = fe->tuner_priv; | |
1055 | *frequency = priv->frequency; | |
1056 | return 0; | |
1057 | } | |
1058 | ||
1059 | static int tda18271_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
1060 | { | |
1061 | struct tda18271_priv *priv = fe->tuner_priv; | |
1062 | *bandwidth = priv->bandwidth; | |
1063 | return 0; | |
1064 | } | |
1065 | ||
8c8ee113 MK |
1066 | static int tda18271_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) |
1067 | { | |
1068 | struct tda18271_priv *priv = fe->tuner_priv; | |
1069 | *frequency = (u32)priv->if_freq * 1000; | |
1070 | return 0; | |
1071 | } | |
1072 | ||
f21e0d7f MK |
1073 | /* ------------------------------------------------------------------ */ |
1074 | ||
1075 | #define tda18271_update_std(std_cfg, name) do { \ | |
7f7203df | 1076 | if (map->std_cfg.if_freq + \ |
c735372f MK |
1077 | map->std_cfg.agc_mode + map->std_cfg.std + \ |
1078 | map->std_cfg.if_lvl + map->std_cfg.rfagc_top > 0) { \ | |
f21e0d7f MK |
1079 | tda_dbg("Using custom std config for %s\n", name); \ |
1080 | memcpy(&std->std_cfg, &map->std_cfg, \ | |
1081 | sizeof(struct tda18271_std_map_item)); \ | |
1082 | } } while (0) | |
1083 | ||
1084 | #define tda18271_dump_std_item(std_cfg, name) do { \ | |
c735372f MK |
1085 | tda_dbg("(%s) if_freq = %d, agc_mode = %d, std = %d, " \ |
1086 | "if_lvl = %d, rfagc_top = 0x%02x\n", \ | |
7f7203df | 1087 | name, std->std_cfg.if_freq, \ |
c735372f MK |
1088 | std->std_cfg.agc_mode, std->std_cfg.std, \ |
1089 | std->std_cfg.if_lvl, std->std_cfg.rfagc_top); \ | |
f21e0d7f MK |
1090 | } while (0) |
1091 | ||
1092 | static int tda18271_dump_std_map(struct dvb_frontend *fe) | |
1093 | { | |
1094 | struct tda18271_priv *priv = fe->tuner_priv; | |
1095 | struct tda18271_std_map *std = &priv->std; | |
1096 | ||
1097 | tda_dbg("========== STANDARD MAP SETTINGS ==========\n"); | |
c735372f MK |
1098 | tda18271_dump_std_item(fm_radio, " fm "); |
1099 | tda18271_dump_std_item(atv_b, "atv b "); | |
1100 | tda18271_dump_std_item(atv_dk, "atv dk"); | |
1101 | tda18271_dump_std_item(atv_gh, "atv gh"); | |
1102 | tda18271_dump_std_item(atv_i, "atv i "); | |
1103 | tda18271_dump_std_item(atv_l, "atv l "); | |
1104 | tda18271_dump_std_item(atv_lc, "atv l'"); | |
f21e0d7f MK |
1105 | tda18271_dump_std_item(atv_mn, "atv mn"); |
1106 | tda18271_dump_std_item(atsc_6, "atsc 6"); | |
1107 | tda18271_dump_std_item(dvbt_6, "dvbt 6"); | |
1108 | tda18271_dump_std_item(dvbt_7, "dvbt 7"); | |
1109 | tda18271_dump_std_item(dvbt_8, "dvbt 8"); | |
c735372f | 1110 | tda18271_dump_std_item(qam_6, "qam 6 "); |
4e791048 | 1111 | tda18271_dump_std_item(qam_7, "qam 7 "); |
c735372f | 1112 | tda18271_dump_std_item(qam_8, "qam 8 "); |
f21e0d7f MK |
1113 | |
1114 | return 0; | |
1115 | } | |
1116 | ||
1117 | static int tda18271_update_std_map(struct dvb_frontend *fe, | |
1118 | struct tda18271_std_map *map) | |
1119 | { | |
1120 | struct tda18271_priv *priv = fe->tuner_priv; | |
1121 | struct tda18271_std_map *std = &priv->std; | |
1122 | ||
1123 | if (!map) | |
1124 | return -EINVAL; | |
1125 | ||
c353f42f | 1126 | tda18271_update_std(fm_radio, "fm"); |
f21e0d7f MK |
1127 | tda18271_update_std(atv_b, "atv b"); |
1128 | tda18271_update_std(atv_dk, "atv dk"); | |
1129 | tda18271_update_std(atv_gh, "atv gh"); | |
1130 | tda18271_update_std(atv_i, "atv i"); | |
1131 | tda18271_update_std(atv_l, "atv l"); | |
1132 | tda18271_update_std(atv_lc, "atv l'"); | |
1133 | tda18271_update_std(atv_mn, "atv mn"); | |
1134 | tda18271_update_std(atsc_6, "atsc 6"); | |
1135 | tda18271_update_std(dvbt_6, "dvbt 6"); | |
1136 | tda18271_update_std(dvbt_7, "dvbt 7"); | |
1137 | tda18271_update_std(dvbt_8, "dvbt 8"); | |
1138 | tda18271_update_std(qam_6, "qam 6"); | |
4e791048 | 1139 | tda18271_update_std(qam_7, "qam 7"); |
f21e0d7f MK |
1140 | tda18271_update_std(qam_8, "qam 8"); |
1141 | ||
1142 | return 0; | |
1143 | } | |
1144 | ||
49e7aaf0 MK |
1145 | static int tda18271_get_id(struct dvb_frontend *fe) |
1146 | { | |
1147 | struct tda18271_priv *priv = fe->tuner_priv; | |
1148 | unsigned char *regs = priv->tda18271_regs; | |
1149 | char *name; | |
351d1878 | 1150 | int ret; |
49e7aaf0 | 1151 | |
8d316bf5 | 1152 | mutex_lock(&priv->lock); |
351d1878 | 1153 | ret = tda18271_read_regs(fe); |
8d316bf5 | 1154 | mutex_unlock(&priv->lock); |
49e7aaf0 | 1155 | |
351d1878 MK |
1156 | if (ret) { |
1157 | tda_info("Error reading device ID @ %d-%04x, bailing out.\n", | |
1158 | i2c_adapter_id(priv->i2c_props.adap), | |
1159 | priv->i2c_props.addr); | |
1160 | return -EIO; | |
1161 | } | |
1162 | ||
49e7aaf0 MK |
1163 | switch (regs[R_ID] & 0x7f) { |
1164 | case 3: | |
1165 | name = "TDA18271HD/C1"; | |
255b5113 | 1166 | priv->id = TDA18271HDC1; |
49e7aaf0 MK |
1167 | break; |
1168 | case 4: | |
1169 | name = "TDA18271HD/C2"; | |
255b5113 | 1170 | priv->id = TDA18271HDC2; |
49e7aaf0 MK |
1171 | break; |
1172 | default: | |
bfc3d57f MCC |
1173 | tda_info("Unknown device (%i) detected @ %d-%04x, device not supported.\n", |
1174 | regs[R_ID], i2c_adapter_id(priv->i2c_props.adap), | |
1175 | priv->i2c_props.addr); | |
1176 | return -EINVAL; | |
49e7aaf0 MK |
1177 | } |
1178 | ||
bfc3d57f MCC |
1179 | tda_info("%s detected @ %d-%04x\n", name, |
1180 | i2c_adapter_id(priv->i2c_props.adap), priv->i2c_props.addr); | |
49e7aaf0 | 1181 | |
bfc3d57f | 1182 | return 0; |
49e7aaf0 MK |
1183 | } |
1184 | ||
c54e1dde MK |
1185 | static int tda18271_setup_configuration(struct dvb_frontend *fe, |
1186 | struct tda18271_config *cfg) | |
42f9a03e MK |
1187 | { |
1188 | struct tda18271_priv *priv = fe->tuner_priv; | |
42f9a03e MK |
1189 | |
1190 | priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO; | |
1191 | priv->role = (cfg) ? cfg->role : TDA18271_MASTER; | |
1192 | priv->config = (cfg) ? cfg->config : 0; | |
1193 | priv->small_i2c = (cfg) ? | |
1194 | cfg->small_i2c : TDA18271_39_BYTE_CHUNK_INIT; | |
1195 | priv->output_opt = (cfg) ? | |
1196 | cfg->output_opt : TDA18271_OUTPUT_LT_XT_ON; | |
1197 | ||
42f9a03e MK |
1198 | return 0; |
1199 | } | |
1200 | ||
5881ecfc MK |
1201 | static inline int tda18271_need_cal_on_startup(struct tda18271_config *cfg) |
1202 | { | |
1203 | /* tda18271_cal_on_startup == -1 when cal module option is unset */ | |
1204 | return ((tda18271_cal_on_startup == -1) ? | |
1205 | /* honor configuration setting */ | |
1206 | ((cfg) && (cfg->rf_cal_on_startup)) : | |
1207 | /* module option overrides configuration setting */ | |
1208 | (tda18271_cal_on_startup)) ? 1 : 0; | |
1209 | } | |
1210 | ||
c54e1dde MK |
1211 | static int tda18271_set_config(struct dvb_frontend *fe, void *priv_cfg) |
1212 | { | |
1213 | struct tda18271_config *cfg = (struct tda18271_config *) priv_cfg; | |
c54e1dde MK |
1214 | |
1215 | tda18271_setup_configuration(fe, cfg); | |
1216 | ||
5881ecfc | 1217 | if (tda18271_need_cal_on_startup(cfg)) |
c54e1dde MK |
1218 | tda18271_init(fe); |
1219 | ||
972aacc2 MK |
1220 | /* override default std map with values in config struct */ |
1221 | if ((cfg) && (cfg->std_map)) | |
1222 | tda18271_update_std_map(fe, cfg->std_map); | |
1223 | ||
c54e1dde MK |
1224 | return 0; |
1225 | } | |
1226 | ||
0b8bd83c | 1227 | static const struct dvb_tuner_ops tda18271_tuner_ops = { |
5bea1cd3 MK |
1228 | .info = { |
1229 | .name = "NXP TDA18271HD", | |
a3f90c75 MCC |
1230 | .frequency_min_hz = 45 * MHz, |
1231 | .frequency_max_hz = 864 * MHz, | |
1232 | .frequency_step_hz = 62500 | |
5bea1cd3 | 1233 | }, |
efce8410 | 1234 | .init = tda18271_init, |
518d8739 | 1235 | .sleep = tda18271_sleep, |
5bea1cd3 MK |
1236 | .set_params = tda18271_set_params, |
1237 | .set_analog_params = tda18271_set_analog_params, | |
1238 | .release = tda18271_release, | |
42f9a03e | 1239 | .set_config = tda18271_set_config, |
5bea1cd3 MK |
1240 | .get_frequency = tda18271_get_frequency, |
1241 | .get_bandwidth = tda18271_get_bandwidth, | |
8c8ee113 | 1242 | .get_if_frequency = tda18271_get_if_frequency, |
5bea1cd3 MK |
1243 | }; |
1244 | ||
1245 | struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, | |
e435f95c | 1246 | struct i2c_adapter *i2c, |
f21e0d7f | 1247 | struct tda18271_config *cfg) |
5bea1cd3 MK |
1248 | { |
1249 | struct tda18271_priv *priv = NULL; | |
fab9bfbe | 1250 | int instance, ret; |
a4f263b5 MK |
1251 | |
1252 | mutex_lock(&tda18271_list_mutex); | |
1253 | ||
f9e315a1 MK |
1254 | instance = hybrid_tuner_request_state(struct tda18271_priv, priv, |
1255 | hybrid_tuner_instance_list, | |
1256 | i2c, addr, "tda18271"); | |
1257 | switch (instance) { | |
1258 | case 0: | |
1259 | goto fail; | |
f9e315a1 MK |
1260 | case 1: |
1261 | /* new tuner instance */ | |
42f9a03e MK |
1262 | fe->tuner_priv = priv; |
1263 | ||
c54e1dde | 1264 | tda18271_setup_configuration(fe, cfg); |
81016b49 | 1265 | |
a4f263b5 MK |
1266 | priv->cal_initialized = false; |
1267 | mutex_init(&priv->lock); | |
5bea1cd3 | 1268 | |
fab9bfbe MK |
1269 | ret = tda18271_get_id(fe); |
1270 | if (tda_fail(ret)) | |
a4f263b5 | 1271 | goto fail; |
49e7aaf0 | 1272 | |
fab9bfbe MK |
1273 | ret = tda18271_assign_map_layout(fe); |
1274 | if (tda_fail(ret)) | |
a4f263b5 | 1275 | goto fail; |
255b5113 | 1276 | |
6b82e0cf MK |
1277 | /* if delay_cal is set, delay IR & RF calibration until init() |
1278 | * module option 'cal' overrides this delay */ | |
1279 | if ((cfg->delay_cal) && (!tda18271_need_cal_on_startup(cfg))) | |
1280 | break; | |
1281 | ||
a4f263b5 MK |
1282 | mutex_lock(&priv->lock); |
1283 | tda18271_init_regs(fe); | |
0f96251e | 1284 | |
5881ecfc MK |
1285 | if ((tda18271_need_cal_on_startup(cfg)) && |
1286 | (priv->id == TDA18271HDC2)) | |
12afe378 | 1287 | tda18271c2_rf_cal_init(fe); |
0f96251e | 1288 | |
4cfae675 MK |
1289 | /* enter standby mode, with required output features enabled */ |
1290 | ret = tda18271_toggle_output(fe, 1); | |
1291 | tda_fail(ret); | |
1292 | ||
a4f263b5 | 1293 | mutex_unlock(&priv->lock); |
f9e315a1 MK |
1294 | break; |
1295 | default: | |
1296 | /* existing tuner instance */ | |
1297 | fe->tuner_priv = priv; | |
1298 | ||
d5abef6b MK |
1299 | /* allow dvb driver to override configuration settings */ |
1300 | if (cfg) { | |
1301 | if (cfg->gate != TDA18271_GATE_ANALOG) | |
1302 | priv->gate = cfg->gate; | |
1303 | if (cfg->role) | |
1304 | priv->role = cfg->role; | |
1305 | if (cfg->config) | |
1306 | priv->config = cfg->config; | |
1307 | if (cfg->small_i2c) | |
1308 | priv->small_i2c = cfg->small_i2c; | |
1309 | if (cfg->output_opt) | |
1310 | priv->output_opt = cfg->output_opt; | |
42f9a03e MK |
1311 | if (cfg->std_map) |
1312 | tda18271_update_std_map(fe, cfg->std_map); | |
d5abef6b | 1313 | } |
5881ecfc | 1314 | if (tda18271_need_cal_on_startup(cfg)) |
188ea058 | 1315 | tda18271_init(fe); |
f9e315a1 | 1316 | break; |
a4f263b5 | 1317 | } |
5bea1cd3 | 1318 | |
972aacc2 MK |
1319 | /* override default std map with values in config struct */ |
1320 | if ((cfg) && (cfg->std_map)) | |
1321 | tda18271_update_std_map(fe, cfg->std_map); | |
1322 | ||
a4f263b5 | 1323 | mutex_unlock(&tda18271_list_mutex); |
8d316bf5 | 1324 | |
a4f263b5 MK |
1325 | memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops, |
1326 | sizeof(struct dvb_tuner_ops)); | |
efce8410 | 1327 | |
c735372f | 1328 | if (tda18271_debug & (DBG_MAP | DBG_ADV)) |
a4f263b5 | 1329 | tda18271_dump_std_map(fe); |
8d316bf5 | 1330 | |
5bea1cd3 | 1331 | return fe; |
49e7aaf0 | 1332 | fail: |
a4f263b5 MK |
1333 | mutex_unlock(&tda18271_list_mutex); |
1334 | ||
49e7aaf0 MK |
1335 | tda18271_release(fe); |
1336 | return NULL; | |
5bea1cd3 MK |
1337 | } |
1338 | EXPORT_SYMBOL_GPL(tda18271_attach); | |
1339 | MODULE_DESCRIPTION("NXP TDA18271HD analog / digital tuner driver"); | |
1340 | MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>"); | |
1341 | MODULE_LICENSE("GPL"); | |
5abaa530 | 1342 | MODULE_VERSION("0.4"); |