Commit | Line | Data |
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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; | |
473 | bcal = 0; | |
474 | count = 0; | |
475 | wait = false; | |
476 | ||
477 | while ((regs[R_EB10] & 0x3f) < cid_target) { | |
478 | /* downconvert updated freq to 1 MHz */ | |
479 | freq = *freq_in + (sgn * count) + 1000000; | |
480 | ||
481 | tda18271_calc_main_pll(fe, freq); | |
482 | tda18271_write_regs(fe, R_MPD, 4); | |
483 | ||
484 | if (wait) { | |
485 | msleep(5); /* pll locking */ | |
486 | wait = false; | |
487 | } else | |
488 | udelay(100); /* pll locking */ | |
489 | ||
490 | /* launch power detection measurement */ | |
491 | tda18271_write_regs(fe, R_EP2, 1); | |
492 | ||
493 | /* read power detection info, stored in EB10 */ | |
24124f78 | 494 | ret = tda18271_read_extended(fe); |
4bd5d107 | 495 | if (tda_fail(ret)) |
24124f78 | 496 | return ret; |
255b5113 MK |
497 | |
498 | count += 200; | |
499 | ||
e7809a07 | 500 | if (count <= count_limit) |
255b5113 MK |
501 | continue; |
502 | ||
503 | if (sgn <= 0) | |
504 | break; | |
505 | ||
506 | sgn = -1 * sgn; | |
507 | count = 200; | |
508 | wait = true; | |
509 | } | |
510 | ||
511 | if ((regs[R_EB10] & 0x3f) >= cid_target) { | |
512 | bcal = 1; | |
513 | *freq_out = freq - 1000000; | |
514 | } else | |
515 | bcal = 0; | |
516 | ||
cf04d29c | 517 | tda_cal("bcal = %d, freq_in = %d, freq_out = %d (freq = %d)\n", |
255b5113 MK |
518 | bcal, *freq_in, *freq_out, freq); |
519 | ||
520 | return bcal; | |
521 | } | |
522 | ||
523 | static int tda18271_powerscan_init(struct dvb_frontend *fe) | |
524 | { | |
525 | struct tda18271_priv *priv = fe->tuner_priv; | |
526 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 527 | int ret; |
255b5113 MK |
528 | |
529 | /* set standard to digital */ | |
530 | regs[R_EP3] &= ~0x1f; /* clear std bits */ | |
531 | regs[R_EP3] |= 0x12; | |
532 | ||
533 | /* set cal mode to normal */ | |
534 | regs[R_EP4] &= ~0x03; | |
535 | ||
44e645c2 | 536 | /* update IF output level */ |
255b5113 MK |
537 | regs[R_EP4] &= ~0x1c; /* clear if level bits */ |
538 | ||
24124f78 | 539 | ret = tda18271_write_regs(fe, R_EP3, 2); |
4bd5d107 | 540 | if (tda_fail(ret)) |
24124f78 | 541 | goto fail; |
255b5113 MK |
542 | |
543 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
24124f78 | 544 | ret = tda18271_write_regs(fe, R_EB18, 1); |
4bd5d107 | 545 | if (tda_fail(ret)) |
24124f78 | 546 | goto fail; |
255b5113 MK |
547 | |
548 | regs[R_EB21] &= ~0x03; /* set agc2_gain to -15 dB */ | |
549 | ||
550 | /* 1.5 MHz low pass filter */ | |
551 | regs[R_EB23] |= 0x04; /* forcelp_fc2_en = 1 */ | |
552 | regs[R_EB23] |= 0x02; /* lp_fc[2] = 1 */ | |
553 | ||
24124f78 MK |
554 | ret = tda18271_write_regs(fe, R_EB21, 3); |
555 | fail: | |
556 | return ret; | |
255b5113 MK |
557 | } |
558 | ||
559 | static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq) | |
560 | { | |
561 | struct tda18271_priv *priv = fe->tuner_priv; | |
562 | struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; | |
563 | unsigned char *regs = priv->tda18271_regs; | |
564 | int bcal, rf, i; | |
3986bd11 | 565 | s32 divisor, dividend; |
255b5113 MK |
566 | #define RF1 0 |
567 | #define RF2 1 | |
568 | #define RF3 2 | |
569 | u32 rf_default[3]; | |
570 | u32 rf_freq[3]; | |
381ad0ea MK |
571 | s32 prog_cal[3]; |
572 | s32 prog_tab[3]; | |
255b5113 MK |
573 | |
574 | i = tda18271_lookup_rf_band(fe, &freq, NULL); | |
575 | ||
4bd5d107 | 576 | if (tda_fail(i)) |
255b5113 MK |
577 | return i; |
578 | ||
579 | rf_default[RF1] = 1000 * map[i].rf1_def; | |
580 | rf_default[RF2] = 1000 * map[i].rf2_def; | |
581 | rf_default[RF3] = 1000 * map[i].rf3_def; | |
582 | ||
583 | for (rf = RF1; rf <= RF3; rf++) { | |
584 | if (0 == rf_default[rf]) | |
585 | return 0; | |
cf04d29c | 586 | tda_cal("freq = %d, rf = %d\n", freq, rf); |
255b5113 MK |
587 | |
588 | /* look for optimized calibration frequency */ | |
589 | bcal = tda18271_powerscan(fe, &rf_default[rf], &rf_freq[rf]); | |
4bd5d107 | 590 | if (tda_fail(bcal)) |
24124f78 | 591 | return bcal; |
255b5113 MK |
592 | |
593 | tda18271_calc_rf_cal(fe, &rf_freq[rf]); | |
381ad0ea | 594 | prog_tab[rf] = (s32)regs[R_EB14]; |
255b5113 MK |
595 | |
596 | if (1 == bcal) | |
381ad0ea MK |
597 | prog_cal[rf] = |
598 | (s32)tda18271_calibrate_rf(fe, rf_freq[rf]); | |
255b5113 MK |
599 | else |
600 | prog_cal[rf] = prog_tab[rf]; | |
601 | ||
602 | switch (rf) { | |
603 | case RF1: | |
604 | map[i].rf_a1 = 0; | |
381ad0ea | 605 | map[i].rf_b1 = (prog_cal[RF1] - prog_tab[RF1]); |
255b5113 MK |
606 | map[i].rf1 = rf_freq[RF1] / 1000; |
607 | break; | |
608 | case RF2: | |
381ad0ea MK |
609 | dividend = (prog_cal[RF2] - prog_tab[RF2] - |
610 | prog_cal[RF1] + prog_tab[RF1]); | |
3986bd11 MK |
611 | divisor = (s32)(rf_freq[RF2] - rf_freq[RF1]) / 1000; |
612 | map[i].rf_a1 = (dividend / divisor); | |
255b5113 MK |
613 | map[i].rf2 = rf_freq[RF2] / 1000; |
614 | break; | |
615 | case RF3: | |
381ad0ea MK |
616 | dividend = (prog_cal[RF3] - prog_tab[RF3] - |
617 | prog_cal[RF2] + prog_tab[RF2]); | |
3986bd11 MK |
618 | divisor = (s32)(rf_freq[RF3] - rf_freq[RF2]) / 1000; |
619 | map[i].rf_a2 = (dividend / divisor); | |
381ad0ea | 620 | map[i].rf_b2 = (prog_cal[RF2] - prog_tab[RF2]); |
255b5113 MK |
621 | map[i].rf3 = rf_freq[RF3] / 1000; |
622 | break; | |
623 | default: | |
624 | BUG(); | |
625 | } | |
626 | } | |
627 | ||
628 | return 0; | |
629 | } | |
630 | ||
09f83c4f | 631 | static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe) |
255b5113 MK |
632 | { |
633 | struct tda18271_priv *priv = fe->tuner_priv; | |
634 | unsigned int i; | |
24124f78 | 635 | int ret; |
255b5113 | 636 | |
36dba13b | 637 | tda_info("performing RF tracking filter calibration\n"); |
255b5113 MK |
638 | |
639 | /* wait for die temperature stabilization */ | |
640 | msleep(200); | |
641 | ||
24124f78 | 642 | ret = tda18271_powerscan_init(fe); |
4bd5d107 | 643 | if (tda_fail(ret)) |
24124f78 | 644 | goto fail; |
255b5113 MK |
645 | |
646 | /* rf band calibration */ | |
c151c32f MK |
647 | for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++) { |
648 | ret = | |
255b5113 MK |
649 | tda18271_rf_tracking_filters_init(fe, 1000 * |
650 | priv->rf_cal_state[i].rfmax); | |
4bd5d107 | 651 | if (tda_fail(ret)) |
c151c32f MK |
652 | goto fail; |
653 | } | |
255b5113 | 654 | |
09f83c4f | 655 | priv->tm_rfcal = tda18271_read_thermometer(fe); |
24124f78 MK |
656 | fail: |
657 | return ret; | |
255b5113 MK |
658 | } |
659 | ||
660 | /* ------------------------------------------------------------------ */ | |
661 | ||
12afe378 | 662 | static int tda18271c2_rf_cal_init(struct dvb_frontend *fe) |
255b5113 MK |
663 | { |
664 | struct tda18271_priv *priv = fe->tuner_priv; | |
839c6c96 | 665 | unsigned char *regs = priv->tda18271_regs; |
24124f78 | 666 | int ret; |
839c6c96 MK |
667 | |
668 | /* test RF_CAL_OK to see if we need init */ | |
669 | if ((regs[R_EP1] & 0x10) == 0) | |
670 | priv->cal_initialized = false; | |
255b5113 MK |
671 | |
672 | if (priv->cal_initialized) | |
673 | return 0; | |
674 | ||
24124f78 | 675 | ret = tda18271_calc_rf_filter_curve(fe); |
4bd5d107 | 676 | if (tda_fail(ret)) |
24124f78 | 677 | goto fail; |
255b5113 | 678 | |
24124f78 | 679 | ret = tda18271_por(fe); |
4bd5d107 | 680 | if (tda_fail(ret)) |
24124f78 | 681 | goto fail; |
255b5113 | 682 | |
36dba13b | 683 | tda_info("RF tracking filter calibration complete\n"); |
6bfa6657 | 684 | |
255b5113 | 685 | priv->cal_initialized = true; |
c151c32f | 686 | goto end; |
24124f78 | 687 | fail: |
36dba13b | 688 | tda_info("RF tracking filter calibration failed!\n"); |
c151c32f | 689 | end: |
24124f78 | 690 | return ret; |
255b5113 MK |
691 | } |
692 | ||
4d2d42bc MK |
693 | static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe, |
694 | u32 freq, u32 bw) | |
5bea1cd3 MK |
695 | { |
696 | struct tda18271_priv *priv = fe->tuner_priv; | |
697 | unsigned char *regs = priv->tda18271_regs; | |
10ed0bf4 | 698 | int ret; |
fe0bf6d7 | 699 | u32 N = 0; |
5bea1cd3 | 700 | |
255b5113 | 701 | /* calculate bp filter */ |
b92bf0f6 | 702 | tda18271_calc_bp_filter(fe, &freq); |
5bea1cd3 MK |
703 | tda18271_write_regs(fe, R_EP1, 1); |
704 | ||
705 | regs[R_EB4] &= 0x07; | |
706 | regs[R_EB4] |= 0x60; | |
707 | tda18271_write_regs(fe, R_EB4, 1); | |
708 | ||
709 | regs[R_EB7] = 0x60; | |
710 | tda18271_write_regs(fe, R_EB7, 1); | |
711 | ||
712 | regs[R_EB14] = 0x00; | |
713 | tda18271_write_regs(fe, R_EB14, 1); | |
714 | ||
715 | regs[R_EB20] = 0xcc; | |
716 | tda18271_write_regs(fe, R_EB20, 1); | |
717 | ||
255b5113 | 718 | /* set cal mode to RF tracking filter calibration */ |
26501a70 | 719 | regs[R_EP4] |= 0x03; |
5bea1cd3 | 720 | |
255b5113 | 721 | /* calculate cal pll */ |
5bea1cd3 MK |
722 | |
723 | switch (priv->mode) { | |
724 | case TDA18271_ANALOG: | |
725 | N = freq - 1250000; | |
726 | break; | |
727 | case TDA18271_DIGITAL: | |
728 | N = freq + bw / 2; | |
729 | break; | |
730 | } | |
731 | ||
fe0bf6d7 | 732 | tda18271_calc_cal_pll(fe, N); |
5bea1cd3 | 733 | |
255b5113 | 734 | /* calculate main pll */ |
5bea1cd3 MK |
735 | |
736 | switch (priv->mode) { | |
737 | case TDA18271_ANALOG: | |
738 | N = freq - 250000; | |
739 | break; | |
740 | case TDA18271_DIGITAL: | |
741 | N = freq + bw / 2 + 1000000; | |
742 | break; | |
743 | } | |
744 | ||
fe0bf6d7 | 745 | tda18271_calc_main_pll(fe, N); |
5bea1cd3 | 746 | |
10ed0bf4 | 747 | ret = tda18271_write_regs(fe, R_EP3, 11); |
4bd5d107 | 748 | if (tda_fail(ret)) |
10ed0bf4 MK |
749 | return ret; |
750 | ||
5bea1cd3 MK |
751 | msleep(5); /* RF tracking filter calibration initialization */ |
752 | ||
255b5113 | 753 | /* search for K,M,CO for RF calibration */ |
b92bf0f6 | 754 | tda18271_calc_km(fe, &freq); |
5bea1cd3 MK |
755 | tda18271_write_regs(fe, R_EB13, 1); |
756 | ||
255b5113 | 757 | /* search for rf band */ |
b92bf0f6 | 758 | tda18271_calc_rf_band(fe, &freq); |
5bea1cd3 | 759 | |
255b5113 | 760 | /* search for gain taper */ |
b92bf0f6 | 761 | tda18271_calc_gain_taper(fe, &freq); |
5bea1cd3 MK |
762 | |
763 | tda18271_write_regs(fe, R_EP2, 1); | |
764 | tda18271_write_regs(fe, R_EP1, 1); | |
765 | tda18271_write_regs(fe, R_EP2, 1); | |
766 | tda18271_write_regs(fe, R_EP1, 1); | |
767 | ||
768 | regs[R_EB4] &= 0x07; | |
769 | regs[R_EB4] |= 0x40; | |
770 | tda18271_write_regs(fe, R_EB4, 1); | |
771 | ||
772 | regs[R_EB7] = 0x40; | |
773 | tda18271_write_regs(fe, R_EB7, 1); | |
4d2d42bc | 774 | msleep(10); /* pll locking */ |
5bea1cd3 MK |
775 | |
776 | regs[R_EB20] = 0xec; | |
777 | tda18271_write_regs(fe, R_EB20, 1); | |
778 | msleep(60); /* RF tracking filter calibration completion */ | |
779 | ||
780 | regs[R_EP4] &= ~0x03; /* set cal mode to normal */ | |
781 | tda18271_write_regs(fe, R_EP4, 1); | |
782 | ||
783 | tda18271_write_regs(fe, R_EP1, 1); | |
784 | ||
b92bf0f6 MK |
785 | /* RF tracking filter correction for VHF_Low band */ |
786 | if (0 == tda18271_calc_rf_cal(fe, &freq)) | |
5bea1cd3 | 787 | tda18271_write_regs(fe, R_EB14, 1); |
5bea1cd3 | 788 | |
4d2d42bc MK |
789 | return 0; |
790 | } | |
791 | ||
d1c53424 MK |
792 | /* ------------------------------------------------------------------ */ |
793 | ||
12afe378 MK |
794 | static int tda18271_ir_cal_init(struct dvb_frontend *fe) |
795 | { | |
796 | struct tda18271_priv *priv = fe->tuner_priv; | |
797 | unsigned char *regs = priv->tda18271_regs; | |
d35fccaf | 798 | int ret; |
12afe378 | 799 | |
d35fccaf | 800 | ret = tda18271_read_regs(fe); |
4bd5d107 | 801 | if (tda_fail(ret)) |
d35fccaf | 802 | goto fail; |
12afe378 MK |
803 | |
804 | /* test IR_CAL_OK to see if we need init */ | |
805 | if ((regs[R_EP1] & 0x08) == 0) | |
d35fccaf MK |
806 | ret = tda18271_init_regs(fe); |
807 | fail: | |
808 | return ret; | |
12afe378 MK |
809 | } |
810 | ||
811 | static int tda18271_init(struct dvb_frontend *fe) | |
812 | { | |
813 | struct tda18271_priv *priv = fe->tuner_priv; | |
d35fccaf | 814 | int ret; |
12afe378 MK |
815 | |
816 | mutex_lock(&priv->lock); | |
817 | ||
4240b460 | 818 | /* full power up */ |
d35fccaf | 819 | ret = tda18271_set_standby_mode(fe, 0, 0, 0); |
4bd5d107 | 820 | if (tda_fail(ret)) |
d35fccaf | 821 | goto fail; |
12afe378 MK |
822 | |
823 | /* initialization */ | |
d35fccaf | 824 | ret = tda18271_ir_cal_init(fe); |
4bd5d107 | 825 | if (tda_fail(ret)) |
d35fccaf | 826 | goto fail; |
12afe378 MK |
827 | |
828 | if (priv->id == TDA18271HDC2) | |
829 | tda18271c2_rf_cal_init(fe); | |
d35fccaf | 830 | fail: |
12afe378 MK |
831 | mutex_unlock(&priv->lock); |
832 | ||
d35fccaf | 833 | return ret; |
12afe378 MK |
834 | } |
835 | ||
cc7e26d4 MK |
836 | static int tda18271_sleep(struct dvb_frontend *fe) |
837 | { | |
838 | struct tda18271_priv *priv = fe->tuner_priv; | |
839 | int ret; | |
840 | ||
841 | mutex_lock(&priv->lock); | |
842 | ||
843 | /* enter standby mode, with required output features enabled */ | |
844 | ret = tda18271_toggle_output(fe, 1); | |
845 | ||
846 | mutex_unlock(&priv->lock); | |
847 | ||
848 | return ret; | |
849 | } | |
850 | ||
adcc4b3e MK |
851 | /* ------------------------------------------------------------------ */ |
852 | ||
853 | static int tda18271_agc(struct dvb_frontend *fe) | |
854 | { | |
855 | struct tda18271_priv *priv = fe->tuner_priv; | |
856 | int ret = 0; | |
857 | ||
858 | switch (priv->config) { | |
1bacb2df | 859 | case TDA8290_LNA_OFF: |
ecda4273 MK |
860 | /* no external agc configuration required */ |
861 | if (tda18271_debug & DBG_ADV) | |
862 | tda_dbg("no agc configuration provided\n"); | |
adcc4b3e | 863 | break; |
1bacb2df | 864 | case TDA8290_LNA_ON_BRIDGE: |
adcc4b3e MK |
865 | /* switch with GPIO of saa713x */ |
866 | tda_dbg("invoking callback\n"); | |
867 | if (fe->callback) | |
868 | ret = fe->callback(priv->i2c_props.adap->algo_data, | |
869 | DVB_FRONTEND_COMPONENT_TUNER, | |
870 | TDA18271_CALLBACK_CMD_AGC_ENABLE, | |
871 | priv->mode); | |
872 | break; | |
1bacb2df OZ |
873 | case TDA8290_LNA_GP0_HIGH_ON: |
874 | case TDA8290_LNA_GP0_HIGH_OFF: | |
adcc4b3e MK |
875 | default: |
876 | /* n/a - currently not supported */ | |
877 | tda_err("unsupported configuration: %d\n", priv->config); | |
878 | ret = -EINVAL; | |
879 | break; | |
880 | } | |
881 | return ret; | |
882 | } | |
883 | ||
d1c53424 | 884 | static int tda18271_tune(struct dvb_frontend *fe, |
c293d0a7 | 885 | struct tda18271_std_map_item *map, u32 freq, u32 bw) |
4d2d42bc MK |
886 | { |
887 | struct tda18271_priv *priv = fe->tuner_priv; | |
d35fccaf | 888 | int ret; |
4d2d42bc | 889 | |
7f7203df MK |
890 | tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n", |
891 | freq, map->if_freq, bw, map->agc_mode, map->std); | |
d1c53424 | 892 | |
adcc4b3e MK |
893 | ret = tda18271_agc(fe); |
894 | if (tda_fail(ret)) | |
895 | tda_warn("failed to configure agc\n"); | |
896 | ||
d35fccaf | 897 | ret = tda18271_init(fe); |
4bd5d107 | 898 | if (tda_fail(ret)) |
d35fccaf | 899 | goto fail; |
4d2d42bc MK |
900 | |
901 | mutex_lock(&priv->lock); | |
902 | ||
ccbac9bb MK |
903 | switch (priv->id) { |
904 | case TDA18271HDC1: | |
d1c53424 | 905 | tda18271c1_rf_tracking_filter_calibration(fe, freq, bw); |
ccbac9bb MK |
906 | break; |
907 | case TDA18271HDC2: | |
d1c53424 | 908 | tda18271c2_rf_tracking_filters_correction(fe, freq); |
ccbac9bb MK |
909 | break; |
910 | } | |
31940e39 | 911 | ret = tda18271_channel_configuration(fe, map, freq, bw); |
d1c53424 MK |
912 | |
913 | mutex_unlock(&priv->lock); | |
d35fccaf MK |
914 | fail: |
915 | return ret; | |
ccbac9bb MK |
916 | } |
917 | ||
5bea1cd3 MK |
918 | /* ------------------------------------------------------------------ */ |
919 | ||
14d24d14 | 920 | static int tda18271_set_params(struct dvb_frontend *fe) |
5bea1cd3 | 921 | { |
5ca1c94d MCC |
922 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
923 | u32 delsys = c->delivery_system; | |
924 | u32 bw = c->bandwidth_hz; | |
925 | u32 freq = c->frequency; | |
5bea1cd3 | 926 | struct tda18271_priv *priv = fe->tuner_priv; |
f21e0d7f | 927 | struct tda18271_std_map *std_map = &priv->std; |
c293d0a7 | 928 | struct tda18271_std_map_item *map; |
ccbac9bb | 929 | int ret; |
5bea1cd3 MK |
930 | |
931 | priv->mode = TDA18271_DIGITAL; | |
932 | ||
5ca1c94d MCC |
933 | switch (delsys) { |
934 | case SYS_ATSC: | |
935 | map = &std_map->atsc_6; | |
5bea1cd3 | 936 | bw = 6000000; |
5ca1c94d | 937 | break; |
083b6b8a | 938 | case SYS_ISDBT: |
5ca1c94d MCC |
939 | case SYS_DVBT: |
940 | case SYS_DVBT2: | |
941 | if (bw <= 6000000) { | |
c293d0a7 | 942 | map = &std_map->dvbt_6; |
5ca1c94d | 943 | } else if (bw <= 7000000) { |
c293d0a7 | 944 | map = &std_map->dvbt_7; |
5ca1c94d | 945 | } else { |
c293d0a7 | 946 | map = &std_map->dvbt_8; |
5bea1cd3 | 947 | } |
5ca1c94d MCC |
948 | break; |
949 | case SYS_DVBC_ANNEX_B: | |
950 | bw = 6000000; | |
1771e9fb | 951 | fallthrough; |
5ca1c94d MCC |
952 | case SYS_DVBC_ANNEX_A: |
953 | case SYS_DVBC_ANNEX_C: | |
954 | if (bw <= 6000000) { | |
955 | map = &std_map->qam_6; | |
956 | } else if (bw <= 7000000) { | |
957 | map = &std_map->qam_7; | |
5ca1c94d MCC |
958 | } else { |
959 | map = &std_map->qam_8; | |
5ca1c94d MCC |
960 | } |
961 | break; | |
962 | default: | |
182519f4 | 963 | tda_warn("modulation type not supported!\n"); |
5bea1cd3 MK |
964 | return -EINVAL; |
965 | } | |
966 | ||
ed73683f MK |
967 | /* When tuning digital, the analog demod must be tri-stated */ |
968 | if (fe->ops.analog_ops.standby) | |
969 | fe->ops.analog_ops.standby(fe); | |
970 | ||
c293d0a7 | 971 | ret = tda18271_tune(fe, map, freq, bw); |
ccbac9bb | 972 | |
4bd5d107 | 973 | if (tda_fail(ret)) |
ccbac9bb MK |
974 | goto fail; |
975 | ||
8c8ee113 | 976 | priv->if_freq = map->if_freq; |
ccbac9bb | 977 | priv->frequency = freq; |
c6f56e7d | 978 | priv->bandwidth = bw; |
ccbac9bb MK |
979 | fail: |
980 | return ret; | |
5bea1cd3 MK |
981 | } |
982 | ||
983 | static int tda18271_set_analog_params(struct dvb_frontend *fe, | |
984 | struct analog_parameters *params) | |
985 | { | |
986 | struct tda18271_priv *priv = fe->tuner_priv; | |
f21e0d7f | 987 | struct tda18271_std_map *std_map = &priv->std; |
c293d0a7 | 988 | struct tda18271_std_map_item *map; |
5bea1cd3 | 989 | char *mode; |
c293d0a7 | 990 | int ret; |
4d831787 MK |
991 | u32 freq = params->frequency * 125 * |
992 | ((params->mode == V4L2_TUNER_RADIO) ? 1 : 1000) / 2; | |
5bea1cd3 MK |
993 | |
994 | priv->mode = TDA18271_ANALOG; | |
995 | ||
c353f42f | 996 | if (params->mode == V4L2_TUNER_RADIO) { |
c293d0a7 | 997 | map = &std_map->fm_radio; |
c353f42f MK |
998 | mode = "fm"; |
999 | } else if (params->std & V4L2_STD_MN) { | |
c293d0a7 | 1000 | map = &std_map->atv_mn; |
5bea1cd3 MK |
1001 | mode = "MN"; |
1002 | } else if (params->std & V4L2_STD_B) { | |
c293d0a7 | 1003 | map = &std_map->atv_b; |
5bea1cd3 MK |
1004 | mode = "B"; |
1005 | } else if (params->std & V4L2_STD_GH) { | |
c293d0a7 | 1006 | map = &std_map->atv_gh; |
5bea1cd3 MK |
1007 | mode = "GH"; |
1008 | } else if (params->std & V4L2_STD_PAL_I) { | |
c293d0a7 | 1009 | map = &std_map->atv_i; |
5bea1cd3 MK |
1010 | mode = "I"; |
1011 | } else if (params->std & V4L2_STD_DK) { | |
c293d0a7 | 1012 | map = &std_map->atv_dk; |
5bea1cd3 MK |
1013 | mode = "DK"; |
1014 | } else if (params->std & V4L2_STD_SECAM_L) { | |
c293d0a7 | 1015 | map = &std_map->atv_l; |
5bea1cd3 MK |
1016 | mode = "L"; |
1017 | } else if (params->std & V4L2_STD_SECAM_LC) { | |
c293d0a7 | 1018 | map = &std_map->atv_lc; |
95af8a26 | 1019 | mode = "L'"; |
5bea1cd3 | 1020 | } else { |
c293d0a7 | 1021 | map = &std_map->atv_i; |
5bea1cd3 MK |
1022 | mode = "xx"; |
1023 | } | |
1024 | ||
182519f4 | 1025 | tda_dbg("setting tda18271 to system %s\n", mode); |
5bea1cd3 | 1026 | |
c293d0a7 | 1027 | ret = tda18271_tune(fe, map, freq, 0); |
ccbac9bb | 1028 | |
4bd5d107 | 1029 | if (tda_fail(ret)) |
ccbac9bb MK |
1030 | goto fail; |
1031 | ||
8c8ee113 | 1032 | priv->if_freq = map->if_freq; |
ccbac9bb MK |
1033 | priv->frequency = freq; |
1034 | priv->bandwidth = 0; | |
1035 | fail: | |
1036 | return ret; | |
5bea1cd3 MK |
1037 | } |
1038 | ||
194ced7a | 1039 | static void tda18271_release(struct dvb_frontend *fe) |
5bea1cd3 | 1040 | { |
a4f263b5 MK |
1041 | struct tda18271_priv *priv = fe->tuner_priv; |
1042 | ||
1043 | mutex_lock(&tda18271_list_mutex); | |
1044 | ||
f9e315a1 MK |
1045 | if (priv) |
1046 | hybrid_tuner_release_state(priv); | |
a4f263b5 | 1047 | |
a4f263b5 MK |
1048 | mutex_unlock(&tda18271_list_mutex); |
1049 | ||
5bea1cd3 | 1050 | fe->tuner_priv = NULL; |
5bea1cd3 MK |
1051 | } |
1052 | ||
1053 | static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
1054 | { | |
1055 | struct tda18271_priv *priv = fe->tuner_priv; | |
1056 | *frequency = priv->frequency; | |
1057 | return 0; | |
1058 | } | |
1059 | ||
1060 | static int tda18271_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
1061 | { | |
1062 | struct tda18271_priv *priv = fe->tuner_priv; | |
1063 | *bandwidth = priv->bandwidth; | |
1064 | return 0; | |
1065 | } | |
1066 | ||
8c8ee113 MK |
1067 | static int tda18271_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) |
1068 | { | |
1069 | struct tda18271_priv *priv = fe->tuner_priv; | |
1070 | *frequency = (u32)priv->if_freq * 1000; | |
1071 | return 0; | |
1072 | } | |
1073 | ||
f21e0d7f MK |
1074 | /* ------------------------------------------------------------------ */ |
1075 | ||
1076 | #define tda18271_update_std(std_cfg, name) do { \ | |
7f7203df | 1077 | if (map->std_cfg.if_freq + \ |
c735372f MK |
1078 | map->std_cfg.agc_mode + map->std_cfg.std + \ |
1079 | map->std_cfg.if_lvl + map->std_cfg.rfagc_top > 0) { \ | |
f21e0d7f MK |
1080 | tda_dbg("Using custom std config for %s\n", name); \ |
1081 | memcpy(&std->std_cfg, &map->std_cfg, \ | |
1082 | sizeof(struct tda18271_std_map_item)); \ | |
1083 | } } while (0) | |
1084 | ||
1085 | #define tda18271_dump_std_item(std_cfg, name) do { \ | |
c735372f MK |
1086 | tda_dbg("(%s) if_freq = %d, agc_mode = %d, std = %d, " \ |
1087 | "if_lvl = %d, rfagc_top = 0x%02x\n", \ | |
7f7203df | 1088 | name, std->std_cfg.if_freq, \ |
c735372f MK |
1089 | std->std_cfg.agc_mode, std->std_cfg.std, \ |
1090 | std->std_cfg.if_lvl, std->std_cfg.rfagc_top); \ | |
f21e0d7f MK |
1091 | } while (0) |
1092 | ||
1093 | static int tda18271_dump_std_map(struct dvb_frontend *fe) | |
1094 | { | |
1095 | struct tda18271_priv *priv = fe->tuner_priv; | |
1096 | struct tda18271_std_map *std = &priv->std; | |
1097 | ||
1098 | tda_dbg("========== STANDARD MAP SETTINGS ==========\n"); | |
c735372f MK |
1099 | tda18271_dump_std_item(fm_radio, " fm "); |
1100 | tda18271_dump_std_item(atv_b, "atv b "); | |
1101 | tda18271_dump_std_item(atv_dk, "atv dk"); | |
1102 | tda18271_dump_std_item(atv_gh, "atv gh"); | |
1103 | tda18271_dump_std_item(atv_i, "atv i "); | |
1104 | tda18271_dump_std_item(atv_l, "atv l "); | |
1105 | tda18271_dump_std_item(atv_lc, "atv l'"); | |
f21e0d7f MK |
1106 | tda18271_dump_std_item(atv_mn, "atv mn"); |
1107 | tda18271_dump_std_item(atsc_6, "atsc 6"); | |
1108 | tda18271_dump_std_item(dvbt_6, "dvbt 6"); | |
1109 | tda18271_dump_std_item(dvbt_7, "dvbt 7"); | |
1110 | tda18271_dump_std_item(dvbt_8, "dvbt 8"); | |
c735372f | 1111 | tda18271_dump_std_item(qam_6, "qam 6 "); |
4e791048 | 1112 | tda18271_dump_std_item(qam_7, "qam 7 "); |
c735372f | 1113 | tda18271_dump_std_item(qam_8, "qam 8 "); |
f21e0d7f MK |
1114 | |
1115 | return 0; | |
1116 | } | |
1117 | ||
1118 | static int tda18271_update_std_map(struct dvb_frontend *fe, | |
1119 | struct tda18271_std_map *map) | |
1120 | { | |
1121 | struct tda18271_priv *priv = fe->tuner_priv; | |
1122 | struct tda18271_std_map *std = &priv->std; | |
1123 | ||
1124 | if (!map) | |
1125 | return -EINVAL; | |
1126 | ||
c353f42f | 1127 | tda18271_update_std(fm_radio, "fm"); |
f21e0d7f MK |
1128 | tda18271_update_std(atv_b, "atv b"); |
1129 | tda18271_update_std(atv_dk, "atv dk"); | |
1130 | tda18271_update_std(atv_gh, "atv gh"); | |
1131 | tda18271_update_std(atv_i, "atv i"); | |
1132 | tda18271_update_std(atv_l, "atv l"); | |
1133 | tda18271_update_std(atv_lc, "atv l'"); | |
1134 | tda18271_update_std(atv_mn, "atv mn"); | |
1135 | tda18271_update_std(atsc_6, "atsc 6"); | |
1136 | tda18271_update_std(dvbt_6, "dvbt 6"); | |
1137 | tda18271_update_std(dvbt_7, "dvbt 7"); | |
1138 | tda18271_update_std(dvbt_8, "dvbt 8"); | |
1139 | tda18271_update_std(qam_6, "qam 6"); | |
4e791048 | 1140 | tda18271_update_std(qam_7, "qam 7"); |
f21e0d7f MK |
1141 | tda18271_update_std(qam_8, "qam 8"); |
1142 | ||
1143 | return 0; | |
1144 | } | |
1145 | ||
49e7aaf0 MK |
1146 | static int tda18271_get_id(struct dvb_frontend *fe) |
1147 | { | |
1148 | struct tda18271_priv *priv = fe->tuner_priv; | |
1149 | unsigned char *regs = priv->tda18271_regs; | |
1150 | char *name; | |
351d1878 | 1151 | int ret; |
49e7aaf0 | 1152 | |
8d316bf5 | 1153 | mutex_lock(&priv->lock); |
351d1878 | 1154 | ret = tda18271_read_regs(fe); |
8d316bf5 | 1155 | mutex_unlock(&priv->lock); |
49e7aaf0 | 1156 | |
351d1878 MK |
1157 | if (ret) { |
1158 | tda_info("Error reading device ID @ %d-%04x, bailing out.\n", | |
1159 | i2c_adapter_id(priv->i2c_props.adap), | |
1160 | priv->i2c_props.addr); | |
1161 | return -EIO; | |
1162 | } | |
1163 | ||
49e7aaf0 MK |
1164 | switch (regs[R_ID] & 0x7f) { |
1165 | case 3: | |
1166 | name = "TDA18271HD/C1"; | |
255b5113 | 1167 | priv->id = TDA18271HDC1; |
49e7aaf0 MK |
1168 | break; |
1169 | case 4: | |
1170 | name = "TDA18271HD/C2"; | |
255b5113 | 1171 | priv->id = TDA18271HDC2; |
49e7aaf0 MK |
1172 | break; |
1173 | default: | |
bfc3d57f MCC |
1174 | tda_info("Unknown device (%i) detected @ %d-%04x, device not supported.\n", |
1175 | regs[R_ID], i2c_adapter_id(priv->i2c_props.adap), | |
1176 | priv->i2c_props.addr); | |
1177 | return -EINVAL; | |
49e7aaf0 MK |
1178 | } |
1179 | ||
bfc3d57f MCC |
1180 | tda_info("%s detected @ %d-%04x\n", name, |
1181 | i2c_adapter_id(priv->i2c_props.adap), priv->i2c_props.addr); | |
49e7aaf0 | 1182 | |
bfc3d57f | 1183 | return 0; |
49e7aaf0 MK |
1184 | } |
1185 | ||
c54e1dde MK |
1186 | static int tda18271_setup_configuration(struct dvb_frontend *fe, |
1187 | struct tda18271_config *cfg) | |
42f9a03e MK |
1188 | { |
1189 | struct tda18271_priv *priv = fe->tuner_priv; | |
42f9a03e MK |
1190 | |
1191 | priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO; | |
1192 | priv->role = (cfg) ? cfg->role : TDA18271_MASTER; | |
1193 | priv->config = (cfg) ? cfg->config : 0; | |
1194 | priv->small_i2c = (cfg) ? | |
1195 | cfg->small_i2c : TDA18271_39_BYTE_CHUNK_INIT; | |
1196 | priv->output_opt = (cfg) ? | |
1197 | cfg->output_opt : TDA18271_OUTPUT_LT_XT_ON; | |
1198 | ||
42f9a03e MK |
1199 | return 0; |
1200 | } | |
1201 | ||
5881ecfc MK |
1202 | static inline int tda18271_need_cal_on_startup(struct tda18271_config *cfg) |
1203 | { | |
1204 | /* tda18271_cal_on_startup == -1 when cal module option is unset */ | |
1205 | return ((tda18271_cal_on_startup == -1) ? | |
1206 | /* honor configuration setting */ | |
1207 | ((cfg) && (cfg->rf_cal_on_startup)) : | |
1208 | /* module option overrides configuration setting */ | |
1209 | (tda18271_cal_on_startup)) ? 1 : 0; | |
1210 | } | |
1211 | ||
c54e1dde MK |
1212 | static int tda18271_set_config(struct dvb_frontend *fe, void *priv_cfg) |
1213 | { | |
1214 | struct tda18271_config *cfg = (struct tda18271_config *) priv_cfg; | |
c54e1dde MK |
1215 | |
1216 | tda18271_setup_configuration(fe, cfg); | |
1217 | ||
5881ecfc | 1218 | if (tda18271_need_cal_on_startup(cfg)) |
c54e1dde MK |
1219 | tda18271_init(fe); |
1220 | ||
972aacc2 MK |
1221 | /* override default std map with values in config struct */ |
1222 | if ((cfg) && (cfg->std_map)) | |
1223 | tda18271_update_std_map(fe, cfg->std_map); | |
1224 | ||
c54e1dde MK |
1225 | return 0; |
1226 | } | |
1227 | ||
0b8bd83c | 1228 | static const struct dvb_tuner_ops tda18271_tuner_ops = { |
5bea1cd3 MK |
1229 | .info = { |
1230 | .name = "NXP TDA18271HD", | |
a3f90c75 MCC |
1231 | .frequency_min_hz = 45 * MHz, |
1232 | .frequency_max_hz = 864 * MHz, | |
1233 | .frequency_step_hz = 62500 | |
5bea1cd3 | 1234 | }, |
efce8410 | 1235 | .init = tda18271_init, |
518d8739 | 1236 | .sleep = tda18271_sleep, |
5bea1cd3 MK |
1237 | .set_params = tda18271_set_params, |
1238 | .set_analog_params = tda18271_set_analog_params, | |
1239 | .release = tda18271_release, | |
42f9a03e | 1240 | .set_config = tda18271_set_config, |
5bea1cd3 MK |
1241 | .get_frequency = tda18271_get_frequency, |
1242 | .get_bandwidth = tda18271_get_bandwidth, | |
8c8ee113 | 1243 | .get_if_frequency = tda18271_get_if_frequency, |
5bea1cd3 MK |
1244 | }; |
1245 | ||
1246 | struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, | |
e435f95c | 1247 | struct i2c_adapter *i2c, |
f21e0d7f | 1248 | struct tda18271_config *cfg) |
5bea1cd3 MK |
1249 | { |
1250 | struct tda18271_priv *priv = NULL; | |
fab9bfbe | 1251 | int instance, ret; |
a4f263b5 MK |
1252 | |
1253 | mutex_lock(&tda18271_list_mutex); | |
1254 | ||
f9e315a1 MK |
1255 | instance = hybrid_tuner_request_state(struct tda18271_priv, priv, |
1256 | hybrid_tuner_instance_list, | |
1257 | i2c, addr, "tda18271"); | |
1258 | switch (instance) { | |
1259 | case 0: | |
1260 | goto fail; | |
f9e315a1 MK |
1261 | case 1: |
1262 | /* new tuner instance */ | |
42f9a03e MK |
1263 | fe->tuner_priv = priv; |
1264 | ||
c54e1dde | 1265 | tda18271_setup_configuration(fe, cfg); |
81016b49 | 1266 | |
a4f263b5 MK |
1267 | priv->cal_initialized = false; |
1268 | mutex_init(&priv->lock); | |
5bea1cd3 | 1269 | |
fab9bfbe MK |
1270 | ret = tda18271_get_id(fe); |
1271 | if (tda_fail(ret)) | |
a4f263b5 | 1272 | goto fail; |
49e7aaf0 | 1273 | |
fab9bfbe MK |
1274 | ret = tda18271_assign_map_layout(fe); |
1275 | if (tda_fail(ret)) | |
a4f263b5 | 1276 | goto fail; |
255b5113 | 1277 | |
6b82e0cf MK |
1278 | /* if delay_cal is set, delay IR & RF calibration until init() |
1279 | * module option 'cal' overrides this delay */ | |
1280 | if ((cfg->delay_cal) && (!tda18271_need_cal_on_startup(cfg))) | |
1281 | break; | |
1282 | ||
a4f263b5 MK |
1283 | mutex_lock(&priv->lock); |
1284 | tda18271_init_regs(fe); | |
0f96251e | 1285 | |
5881ecfc MK |
1286 | if ((tda18271_need_cal_on_startup(cfg)) && |
1287 | (priv->id == TDA18271HDC2)) | |
12afe378 | 1288 | tda18271c2_rf_cal_init(fe); |
0f96251e | 1289 | |
4cfae675 MK |
1290 | /* enter standby mode, with required output features enabled */ |
1291 | ret = tda18271_toggle_output(fe, 1); | |
1292 | tda_fail(ret); | |
1293 | ||
a4f263b5 | 1294 | mutex_unlock(&priv->lock); |
f9e315a1 MK |
1295 | break; |
1296 | default: | |
1297 | /* existing tuner instance */ | |
1298 | fe->tuner_priv = priv; | |
1299 | ||
d5abef6b MK |
1300 | /* allow dvb driver to override configuration settings */ |
1301 | if (cfg) { | |
1302 | if (cfg->gate != TDA18271_GATE_ANALOG) | |
1303 | priv->gate = cfg->gate; | |
1304 | if (cfg->role) | |
1305 | priv->role = cfg->role; | |
1306 | if (cfg->config) | |
1307 | priv->config = cfg->config; | |
1308 | if (cfg->small_i2c) | |
1309 | priv->small_i2c = cfg->small_i2c; | |
1310 | if (cfg->output_opt) | |
1311 | priv->output_opt = cfg->output_opt; | |
42f9a03e MK |
1312 | if (cfg->std_map) |
1313 | tda18271_update_std_map(fe, cfg->std_map); | |
d5abef6b | 1314 | } |
5881ecfc | 1315 | if (tda18271_need_cal_on_startup(cfg)) |
188ea058 | 1316 | tda18271_init(fe); |
f9e315a1 | 1317 | break; |
a4f263b5 | 1318 | } |
5bea1cd3 | 1319 | |
972aacc2 MK |
1320 | /* override default std map with values in config struct */ |
1321 | if ((cfg) && (cfg->std_map)) | |
1322 | tda18271_update_std_map(fe, cfg->std_map); | |
1323 | ||
a4f263b5 | 1324 | mutex_unlock(&tda18271_list_mutex); |
8d316bf5 | 1325 | |
a4f263b5 MK |
1326 | memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops, |
1327 | sizeof(struct dvb_tuner_ops)); | |
efce8410 | 1328 | |
c735372f | 1329 | if (tda18271_debug & (DBG_MAP | DBG_ADV)) |
a4f263b5 | 1330 | tda18271_dump_std_map(fe); |
8d316bf5 | 1331 | |
5bea1cd3 | 1332 | return fe; |
49e7aaf0 | 1333 | fail: |
a4f263b5 MK |
1334 | mutex_unlock(&tda18271_list_mutex); |
1335 | ||
49e7aaf0 MK |
1336 | tda18271_release(fe); |
1337 | return NULL; | |
5bea1cd3 MK |
1338 | } |
1339 | EXPORT_SYMBOL_GPL(tda18271_attach); | |
1340 | MODULE_DESCRIPTION("NXP TDA18271HD analog / digital tuner driver"); | |
1341 | MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>"); | |
1342 | MODULE_LICENSE("GPL"); | |
5abaa530 | 1343 | MODULE_VERSION("0.4"); |