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Commit | Line | Data |
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5bea1cd3 | 1 | /* |
6ca04de3 | 2 | tda18271-fe.c - driver for the Philips / NXP TDA18271 silicon tuner |
5bea1cd3 | 3 | |
59067f7e | 4 | Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org> |
5bea1cd3 MK |
5 | |
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | */ | |
20 | ||
5bea1cd3 MK |
21 | #include <linux/delay.h> |
22 | #include <linux/videodev2.h> | |
6ca04de3 | 23 | #include "tda18271-priv.h" |
5bea1cd3 | 24 | |
b5f3e1e1 | 25 | int tda18271_debug; |
54465b08 | 26 | module_param_named(debug, tda18271_debug, int, 0644); |
0e1fab90 | 27 | MODULE_PARM_DESC(debug, "set debug level " |
cf04d29c | 28 | "(info=1, map=2, reg=4, adv=8, cal=16 (or-able))"); |
5bea1cd3 | 29 | |
81016b49 | 30 | static int tda18271_cal_on_startup = -1; |
0f96251e MK |
31 | module_param_named(cal, tda18271_cal_on_startup, int, 0644); |
32 | MODULE_PARM_DESC(cal, "perform RF tracking filter calibration on startup"); | |
33 | ||
a4f263b5 | 34 | static DEFINE_MUTEX(tda18271_list_mutex); |
f9e315a1 | 35 | static LIST_HEAD(hybrid_tuner_instance_list); |
a4f263b5 | 36 | |
5bea1cd3 MK |
37 | /*---------------------------------------------------------------------*/ |
38 | ||
4240b460 MK |
39 | static int tda18271_toggle_output(struct dvb_frontend *fe, int standby) |
40 | { | |
41 | struct tda18271_priv *priv = fe->tuner_priv; | |
42 | ||
43 | int ret = tda18271_set_standby_mode(fe, standby ? 1 : 0, | |
44 | priv->output_opt & TDA18271_OUTPUT_LT_OFF ? 1 : 0, | |
45 | priv->output_opt & TDA18271_OUTPUT_XT_OFF ? 1 : 0); | |
46 | ||
47 | if (tda_fail(ret)) | |
48 | goto fail; | |
49 | ||
50 | tda_dbg("%s mode: xtal oscillator %s, slave tuner loop thru %s\n", | |
51 | standby ? "standby" : "active", | |
52 | priv->output_opt & TDA18271_OUTPUT_XT_OFF ? "off" : "on", | |
53 | priv->output_opt & TDA18271_OUTPUT_LT_OFF ? "off" : "on"); | |
54 | fail: | |
55 | return ret; | |
56 | } | |
57 | ||
58 | /*---------------------------------------------------------------------*/ | |
59 | ||
868f5ccd MK |
60 | static inline int charge_pump_source(struct dvb_frontend *fe, int force) |
61 | { | |
62 | struct tda18271_priv *priv = fe->tuner_priv; | |
63 | return tda18271_charge_pump_source(fe, | |
64 | (priv->role == TDA18271_SLAVE) ? | |
65 | TDA18271_CAL_PLL : | |
66 | TDA18271_MAIN_PLL, force); | |
67 | } | |
68 | ||
44e645c2 MK |
69 | static inline void tda18271_set_if_notch(struct dvb_frontend *fe) |
70 | { | |
71 | struct tda18271_priv *priv = fe->tuner_priv; | |
72 | unsigned char *regs = priv->tda18271_regs; | |
73 | ||
74 | switch (priv->mode) { | |
75 | case TDA18271_ANALOG: | |
76 | regs[R_MPD] &= ~0x80; /* IF notch = 0 */ | |
77 | break; | |
78 | case TDA18271_DIGITAL: | |
79 | regs[R_MPD] |= 0x80; /* IF notch = 1 */ | |
80 | break; | |
81 | } | |
82 | } | |
83 | ||
255b5113 | 84 | static int tda18271_channel_configuration(struct dvb_frontend *fe, |
c293d0a7 MK |
85 | struct tda18271_std_map_item *map, |
86 | u32 freq, u32 bw) | |
255b5113 MK |
87 | { |
88 | struct tda18271_priv *priv = fe->tuner_priv; | |
89 | unsigned char *regs = priv->tda18271_regs; | |
31940e39 | 90 | int ret; |
255b5113 MK |
91 | u32 N; |
92 | ||
93 | /* update TV broadcast parameters */ | |
94 | ||
95 | /* set standard */ | |
96 | regs[R_EP3] &= ~0x1f; /* clear std bits */ | |
7f7203df | 97 | regs[R_EP3] |= (map->agc_mode << 3) | map->std; |
255b5113 | 98 | |
51858d13 MK |
99 | if (priv->id == TDA18271HDC2) { |
100 | /* set rfagc to high speed mode */ | |
101 | regs[R_EP3] &= ~0x04; | |
102 | } | |
40194b2b | 103 | |
255b5113 MK |
104 | /* set cal mode to normal */ |
105 | regs[R_EP4] &= ~0x03; | |
106 | ||
44e645c2 | 107 | /* update IF output level */ |
255b5113 | 108 | regs[R_EP4] &= ~0x1c; /* clear if level bits */ |
14c74b23 | 109 | regs[R_EP4] |= (map->if_lvl << 2); |
255b5113 | 110 | |
c293d0a7 MK |
111 | /* update FM_RFn */ |
112 | regs[R_EP4] &= ~0x80; | |
113 | regs[R_EP4] |= map->fm_rfn << 7; | |
255b5113 | 114 | |
c0dc0c11 MK |
115 | /* update rf top / if top */ |
116 | regs[R_EB22] = 0x00; | |
117 | regs[R_EB22] |= map->rfagc_top; | |
31940e39 | 118 | ret = tda18271_write_regs(fe, R_EB22, 1); |
4bd5d107 | 119 | if (tda_fail(ret)) |
31940e39 | 120 | goto fail; |
255b5113 MK |
121 | |
122 | /* --------------------------------------------------------------- */ | |
123 | ||
124 | /* disable Power Level Indicator */ | |
125 | regs[R_EP1] |= 0x40; | |
126 | ||
7ae1ac4c MK |
127 | /* make sure thermometer is off */ |
128 | regs[R_TM] &= ~0x10; | |
129 | ||
255b5113 MK |
130 | /* frequency dependent parameters */ |
131 | ||
132 | tda18271_calc_ir_measure(fe, &freq); | |
133 | ||
134 | tda18271_calc_bp_filter(fe, &freq); | |
135 | ||
136 | tda18271_calc_rf_band(fe, &freq); | |
137 | ||
138 | tda18271_calc_gain_taper(fe, &freq); | |
139 | ||
140 | /* --------------------------------------------------------------- */ | |
141 | ||
142 | /* dual tuner and agc1 extra configuration */ | |
143 | ||
868f5ccd MK |
144 | switch (priv->role) { |
145 | case TDA18271_MASTER: | |
146 | regs[R_EB1] |= 0x04; /* main vco */ | |
147 | break; | |
148 | case TDA18271_SLAVE: | |
149 | regs[R_EB1] &= ~0x04; /* cal vco */ | |
150 | break; | |
151 | } | |
255b5113 MK |
152 | |
153 | /* agc1 always active */ | |
154 | regs[R_EB1] &= ~0x02; | |
155 | ||
156 | /* agc1 has priority on agc2 */ | |
157 | regs[R_EB1] &= ~0x01; | |
158 | ||
31940e39 | 159 | ret = tda18271_write_regs(fe, R_EB1, 1); |
4bd5d107 | 160 | if (tda_fail(ret)) |
31940e39 | 161 | goto fail; |
255b5113 MK |
162 | |
163 | /* --------------------------------------------------------------- */ | |
164 | ||
c293d0a7 | 165 | N = map->if_freq * 1000 + freq; |
255b5113 | 166 | |
868f5ccd MK |
167 | switch (priv->role) { |
168 | case TDA18271_MASTER: | |
169 | tda18271_calc_main_pll(fe, N); | |
44e645c2 | 170 | tda18271_set_if_notch(fe); |
868f5ccd MK |
171 | tda18271_write_regs(fe, R_MPD, 4); |
172 | break; | |
173 | case TDA18271_SLAVE: | |
174 | tda18271_calc_cal_pll(fe, N); | |
175 | tda18271_write_regs(fe, R_CPD, 4); | |
176 | ||
177 | regs[R_MPD] = regs[R_CPD] & 0x7f; | |
44e645c2 | 178 | tda18271_set_if_notch(fe); |
868f5ccd MK |
179 | tda18271_write_regs(fe, R_MPD, 1); |
180 | break; | |
181 | } | |
255b5113 | 182 | |
31940e39 | 183 | ret = tda18271_write_regs(fe, R_TM, 7); |
4bd5d107 | 184 | if (tda_fail(ret)) |
31940e39 | 185 | goto fail; |
255b5113 | 186 | |
868f5ccd MK |
187 | /* force charge pump source */ |
188 | charge_pump_source(fe, 1); | |
255b5113 MK |
189 | |
190 | msleep(1); | |
191 | ||
868f5ccd MK |
192 | /* return pll to normal operation */ |
193 | charge_pump_source(fe, 0); | |
255b5113 | 194 | |
40194b2b MK |
195 | msleep(20); |
196 | ||
51858d13 MK |
197 | if (priv->id == TDA18271HDC2) { |
198 | /* set rfagc to normal speed mode */ | |
199 | if (map->fm_rfn) | |
200 | regs[R_EP3] &= ~0x04; | |
201 | else | |
202 | regs[R_EP3] |= 0x04; | |
203 | ret = tda18271_write_regs(fe, R_EP3, 1); | |
204 | } | |
31940e39 MK |
205 | fail: |
206 | return ret; | |
255b5113 MK |
207 | } |
208 | ||
209 | static int tda18271_read_thermometer(struct dvb_frontend *fe) | |
210 | { | |
211 | struct tda18271_priv *priv = fe->tuner_priv; | |
212 | unsigned char *regs = priv->tda18271_regs; | |
213 | int tm; | |
214 | ||
215 | /* switch thermometer on */ | |
216 | regs[R_TM] |= 0x10; | |
217 | tda18271_write_regs(fe, R_TM, 1); | |
218 | ||
219 | /* read thermometer info */ | |
220 | tda18271_read_regs(fe); | |
221 | ||
222 | if ((((regs[R_TM] & 0x0f) == 0x00) && ((regs[R_TM] & 0x20) == 0x20)) || | |
223 | (((regs[R_TM] & 0x0f) == 0x08) && ((regs[R_TM] & 0x20) == 0x00))) { | |
224 | ||
225 | if ((regs[R_TM] & 0x20) == 0x20) | |
226 | regs[R_TM] &= ~0x20; | |
227 | else | |
228 | regs[R_TM] |= 0x20; | |
229 | ||
230 | tda18271_write_regs(fe, R_TM, 1); | |
231 | ||
232 | msleep(10); /* temperature sensing */ | |
233 | ||
234 | /* read thermometer info */ | |
235 | tda18271_read_regs(fe); | |
236 | } | |
237 | ||
238 | tm = tda18271_lookup_thermometer(fe); | |
239 | ||
240 | /* switch thermometer off */ | |
241 | regs[R_TM] &= ~0x10; | |
242 | tda18271_write_regs(fe, R_TM, 1); | |
243 | ||
244 | /* set CAL mode to normal */ | |
245 | regs[R_EP4] &= ~0x03; | |
246 | tda18271_write_regs(fe, R_EP4, 1); | |
247 | ||
248 | return tm; | |
249 | } | |
250 | ||
12afe378 MK |
251 | /* ------------------------------------------------------------------ */ |
252 | ||
d1c53424 MK |
253 | static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe, |
254 | u32 freq) | |
255b5113 MK |
255 | { |
256 | struct tda18271_priv *priv = fe->tuner_priv; | |
257 | struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; | |
258 | unsigned char *regs = priv->tda18271_regs; | |
3a6b49fe MK |
259 | int i, ret; |
260 | u8 tm_current, dc_over_dt, rf_tab; | |
261 | s32 rfcal_comp, approx; | |
255b5113 MK |
262 | |
263 | /* power up */ | |
20f42063 | 264 | ret = tda18271_set_standby_mode(fe, 0, 0, 0); |
4bd5d107 | 265 | if (tda_fail(ret)) |
20f42063 | 266 | goto fail; |
255b5113 MK |
267 | |
268 | /* read die current temperature */ | |
269 | tm_current = tda18271_read_thermometer(fe); | |
270 | ||
271 | /* frequency dependent parameters */ | |
272 | ||
273 | tda18271_calc_rf_cal(fe, &freq); | |
274 | rf_tab = regs[R_EB14]; | |
275 | ||
276 | i = tda18271_lookup_rf_band(fe, &freq, NULL); | |
4bd5d107 MK |
277 | if (tda_fail(i)) |
278 | return i; | |
255b5113 MK |
279 | |
280 | if ((0 == map[i].rf3) || (freq / 1000 < map[i].rf2)) { | |
3a6b49fe MK |
281 | approx = map[i].rf_a1 * (s32)(freq / 1000 - map[i].rf1) + |
282 | map[i].rf_b1 + rf_tab; | |
255b5113 | 283 | } else { |
3a6b49fe MK |
284 | approx = map[i].rf_a2 * (s32)(freq / 1000 - map[i].rf2) + |
285 | map[i].rf_b2 + rf_tab; | |
255b5113 MK |
286 | } |
287 | ||
288 | if (approx < 0) | |
289 | approx = 0; | |
290 | if (approx > 255) | |
291 | approx = 255; | |
292 | ||
293 | tda18271_lookup_map(fe, RF_CAL_DC_OVER_DT, &freq, &dc_over_dt); | |
294 | ||
295 | /* calculate temperature compensation */ | |
3a6b49fe | 296 | rfcal_comp = dc_over_dt * (s32)(tm_current - priv->tm_rfcal) / 1000; |
255b5113 | 297 | |
3a6b49fe | 298 | regs[R_EB14] = (unsigned char)(approx + rfcal_comp); |
20f42063 MK |
299 | ret = tda18271_write_regs(fe, R_EB14, 1); |
300 | fail: | |
301 | return ret; | |
255b5113 MK |
302 | } |
303 | ||
304 | static int tda18271_por(struct dvb_frontend *fe) | |
305 | { | |
306 | struct tda18271_priv *priv = fe->tuner_priv; | |
307 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 308 | int ret; |
255b5113 MK |
309 | |
310 | /* power up detector 1 */ | |
311 | regs[R_EB12] &= ~0x20; | |
24124f78 | 312 | ret = tda18271_write_regs(fe, R_EB12, 1); |
4bd5d107 | 313 | if (tda_fail(ret)) |
24124f78 | 314 | goto fail; |
255b5113 MK |
315 | |
316 | regs[R_EB18] &= ~0x80; /* turn agc1 loop on */ | |
317 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
24124f78 | 318 | ret = tda18271_write_regs(fe, R_EB18, 1); |
4bd5d107 | 319 | if (tda_fail(ret)) |
24124f78 | 320 | goto fail; |
255b5113 MK |
321 | |
322 | regs[R_EB21] |= 0x03; /* set agc2_gain to -6 dB */ | |
323 | ||
324 | /* POR mode */ | |
24124f78 | 325 | ret = tda18271_set_standby_mode(fe, 1, 0, 0); |
4bd5d107 | 326 | if (tda_fail(ret)) |
24124f78 | 327 | goto fail; |
255b5113 MK |
328 | |
329 | /* disable 1.5 MHz low pass filter */ | |
330 | regs[R_EB23] &= ~0x04; /* forcelp_fc2_en = 0 */ | |
331 | regs[R_EB23] &= ~0x02; /* XXX: lp_fc[2] = 0 */ | |
24124f78 MK |
332 | ret = tda18271_write_regs(fe, R_EB21, 3); |
333 | fail: | |
334 | return ret; | |
255b5113 MK |
335 | } |
336 | ||
337 | static int tda18271_calibrate_rf(struct dvb_frontend *fe, u32 freq) | |
338 | { | |
339 | struct tda18271_priv *priv = fe->tuner_priv; | |
340 | unsigned char *regs = priv->tda18271_regs; | |
341 | u32 N; | |
342 | ||
343 | /* set CAL mode to normal */ | |
344 | regs[R_EP4] &= ~0x03; | |
345 | tda18271_write_regs(fe, R_EP4, 1); | |
346 | ||
347 | /* switch off agc1 */ | |
348 | regs[R_EP3] |= 0x40; /* sm_lt = 1 */ | |
349 | ||
350 | regs[R_EB18] |= 0x03; /* set agc1_gain to 15 dB */ | |
351 | tda18271_write_regs(fe, R_EB18, 1); | |
352 | ||
353 | /* frequency dependent parameters */ | |
354 | ||
355 | tda18271_calc_bp_filter(fe, &freq); | |
356 | tda18271_calc_gain_taper(fe, &freq); | |
357 | tda18271_calc_rf_band(fe, &freq); | |
358 | tda18271_calc_km(fe, &freq); | |
359 | ||
360 | tda18271_write_regs(fe, R_EP1, 3); | |
361 | tda18271_write_regs(fe, R_EB13, 1); | |
362 | ||
363 | /* main pll charge pump source */ | |
4efb0ca5 | 364 | tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1); |
255b5113 MK |
365 | |
366 | /* cal pll charge pump source */ | |
4efb0ca5 | 367 | tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 1); |
255b5113 MK |
368 | |
369 | /* force dcdc converter to 0 V */ | |
370 | regs[R_EB14] = 0x00; | |
371 | tda18271_write_regs(fe, R_EB14, 1); | |
372 | ||
373 | /* disable plls lock */ | |
374 | regs[R_EB20] &= ~0x20; | |
375 | tda18271_write_regs(fe, R_EB20, 1); | |
376 | ||
377 | /* set CAL mode to RF tracking filter calibration */ | |
378 | regs[R_EP4] |= 0x03; | |
379 | tda18271_write_regs(fe, R_EP4, 2); | |
380 | ||
381 | /* --------------------------------------------------------------- */ | |
382 | ||
383 | /* set the internal calibration signal */ | |
384 | N = freq; | |
385 | ||
ae07d042 MK |
386 | tda18271_calc_cal_pll(fe, N); |
387 | tda18271_write_regs(fe, R_CPD, 4); | |
255b5113 MK |
388 | |
389 | /* downconvert internal calibration */ | |
390 | N += 1000000; | |
391 | ||
392 | tda18271_calc_main_pll(fe, N); | |
393 | tda18271_write_regs(fe, R_MPD, 4); | |
394 | ||
395 | msleep(5); | |
396 | ||
397 | tda18271_write_regs(fe, R_EP2, 1); | |
398 | tda18271_write_regs(fe, R_EP1, 1); | |
399 | tda18271_write_regs(fe, R_EP2, 1); | |
400 | tda18271_write_regs(fe, R_EP1, 1); | |
401 | ||
402 | /* --------------------------------------------------------------- */ | |
403 | ||
404 | /* normal operation for the main pll */ | |
4efb0ca5 | 405 | tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0); |
255b5113 MK |
406 | |
407 | /* normal operation for the cal pll */ | |
4efb0ca5 | 408 | tda18271_charge_pump_source(fe, TDA18271_CAL_PLL, 0); |
255b5113 | 409 | |
ae07d042 | 410 | msleep(10); /* plls locking */ |
255b5113 MK |
411 | |
412 | /* launch the rf tracking filters calibration */ | |
413 | regs[R_EB20] |= 0x20; | |
414 | tda18271_write_regs(fe, R_EB20, 1); | |
415 | ||
416 | msleep(60); /* calibration */ | |
417 | ||
418 | /* --------------------------------------------------------------- */ | |
419 | ||
420 | /* set CAL mode to normal */ | |
421 | regs[R_EP4] &= ~0x03; | |
422 | ||
423 | /* switch on agc1 */ | |
424 | regs[R_EP3] &= ~0x40; /* sm_lt = 0 */ | |
425 | ||
426 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
427 | tda18271_write_regs(fe, R_EB18, 1); | |
428 | ||
429 | tda18271_write_regs(fe, R_EP3, 2); | |
430 | ||
431 | /* synchronization */ | |
432 | tda18271_write_regs(fe, R_EP1, 1); | |
433 | ||
434 | /* get calibration result */ | |
435 | tda18271_read_extended(fe); | |
436 | ||
437 | return regs[R_EB14]; | |
438 | } | |
439 | ||
440 | static int tda18271_powerscan(struct dvb_frontend *fe, | |
441 | u32 *freq_in, u32 *freq_out) | |
442 | { | |
443 | struct tda18271_priv *priv = fe->tuner_priv; | |
444 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 445 | int sgn, bcal, count, wait, ret; |
255b5113 MK |
446 | u8 cid_target; |
447 | u16 count_limit; | |
448 | u32 freq; | |
449 | ||
450 | freq = *freq_in; | |
451 | ||
452 | tda18271_calc_rf_band(fe, &freq); | |
453 | tda18271_calc_rf_cal(fe, &freq); | |
454 | tda18271_calc_gain_taper(fe, &freq); | |
455 | tda18271_lookup_cid_target(fe, &freq, &cid_target, &count_limit); | |
456 | ||
457 | tda18271_write_regs(fe, R_EP2, 1); | |
458 | tda18271_write_regs(fe, R_EB14, 1); | |
459 | ||
460 | /* downconvert frequency */ | |
461 | freq += 1000000; | |
462 | ||
463 | tda18271_calc_main_pll(fe, freq); | |
464 | tda18271_write_regs(fe, R_MPD, 4); | |
465 | ||
466 | msleep(5); /* pll locking */ | |
467 | ||
468 | /* detection mode */ | |
469 | regs[R_EP4] &= ~0x03; | |
470 | regs[R_EP4] |= 0x01; | |
471 | tda18271_write_regs(fe, R_EP4, 1); | |
472 | ||
473 | /* launch power detection measurement */ | |
474 | tda18271_write_regs(fe, R_EP2, 1); | |
475 | ||
476 | /* read power detection info, stored in EB10 */ | |
24124f78 | 477 | ret = tda18271_read_extended(fe); |
4bd5d107 | 478 | if (tda_fail(ret)) |
24124f78 | 479 | return ret; |
255b5113 MK |
480 | |
481 | /* algorithm initialization */ | |
482 | sgn = 1; | |
483 | *freq_out = *freq_in; | |
484 | bcal = 0; | |
485 | count = 0; | |
486 | wait = false; | |
487 | ||
488 | while ((regs[R_EB10] & 0x3f) < cid_target) { | |
489 | /* downconvert updated freq to 1 MHz */ | |
490 | freq = *freq_in + (sgn * count) + 1000000; | |
491 | ||
492 | tda18271_calc_main_pll(fe, freq); | |
493 | tda18271_write_regs(fe, R_MPD, 4); | |
494 | ||
495 | if (wait) { | |
496 | msleep(5); /* pll locking */ | |
497 | wait = false; | |
498 | } else | |
499 | udelay(100); /* pll locking */ | |
500 | ||
501 | /* launch power detection measurement */ | |
502 | tda18271_write_regs(fe, R_EP2, 1); | |
503 | ||
504 | /* read power detection info, stored in EB10 */ | |
24124f78 | 505 | ret = tda18271_read_extended(fe); |
4bd5d107 | 506 | if (tda_fail(ret)) |
24124f78 | 507 | return ret; |
255b5113 MK |
508 | |
509 | count += 200; | |
510 | ||
e7809a07 | 511 | if (count <= count_limit) |
255b5113 MK |
512 | continue; |
513 | ||
514 | if (sgn <= 0) | |
515 | break; | |
516 | ||
517 | sgn = -1 * sgn; | |
518 | count = 200; | |
519 | wait = true; | |
520 | } | |
521 | ||
522 | if ((regs[R_EB10] & 0x3f) >= cid_target) { | |
523 | bcal = 1; | |
524 | *freq_out = freq - 1000000; | |
525 | } else | |
526 | bcal = 0; | |
527 | ||
cf04d29c | 528 | tda_cal("bcal = %d, freq_in = %d, freq_out = %d (freq = %d)\n", |
255b5113 MK |
529 | bcal, *freq_in, *freq_out, freq); |
530 | ||
531 | return bcal; | |
532 | } | |
533 | ||
534 | static int tda18271_powerscan_init(struct dvb_frontend *fe) | |
535 | { | |
536 | struct tda18271_priv *priv = fe->tuner_priv; | |
537 | unsigned char *regs = priv->tda18271_regs; | |
24124f78 | 538 | int ret; |
255b5113 MK |
539 | |
540 | /* set standard to digital */ | |
541 | regs[R_EP3] &= ~0x1f; /* clear std bits */ | |
542 | regs[R_EP3] |= 0x12; | |
543 | ||
544 | /* set cal mode to normal */ | |
545 | regs[R_EP4] &= ~0x03; | |
546 | ||
44e645c2 | 547 | /* update IF output level */ |
255b5113 MK |
548 | regs[R_EP4] &= ~0x1c; /* clear if level bits */ |
549 | ||
24124f78 | 550 | ret = tda18271_write_regs(fe, R_EP3, 2); |
4bd5d107 | 551 | if (tda_fail(ret)) |
24124f78 | 552 | goto fail; |
255b5113 MK |
553 | |
554 | regs[R_EB18] &= ~0x03; /* set agc1_gain to 6 dB */ | |
24124f78 | 555 | ret = tda18271_write_regs(fe, R_EB18, 1); |
4bd5d107 | 556 | if (tda_fail(ret)) |
24124f78 | 557 | goto fail; |
255b5113 MK |
558 | |
559 | regs[R_EB21] &= ~0x03; /* set agc2_gain to -15 dB */ | |
560 | ||
561 | /* 1.5 MHz low pass filter */ | |
562 | regs[R_EB23] |= 0x04; /* forcelp_fc2_en = 1 */ | |
563 | regs[R_EB23] |= 0x02; /* lp_fc[2] = 1 */ | |
564 | ||
24124f78 MK |
565 | ret = tda18271_write_regs(fe, R_EB21, 3); |
566 | fail: | |
567 | return ret; | |
255b5113 MK |
568 | } |
569 | ||
570 | static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq) | |
571 | { | |
572 | struct tda18271_priv *priv = fe->tuner_priv; | |
573 | struct tda18271_rf_tracking_filter_cal *map = priv->rf_cal_state; | |
574 | unsigned char *regs = priv->tda18271_regs; | |
575 | int bcal, rf, i; | |
3986bd11 | 576 | s32 divisor, dividend; |
255b5113 MK |
577 | #define RF1 0 |
578 | #define RF2 1 | |
579 | #define RF3 2 | |
580 | u32 rf_default[3]; | |
581 | u32 rf_freq[3]; | |
381ad0ea MK |
582 | s32 prog_cal[3]; |
583 | s32 prog_tab[3]; | |
255b5113 MK |
584 | |
585 | i = tda18271_lookup_rf_band(fe, &freq, NULL); | |
586 | ||
4bd5d107 | 587 | if (tda_fail(i)) |
255b5113 MK |
588 | return i; |
589 | ||
590 | rf_default[RF1] = 1000 * map[i].rf1_def; | |
591 | rf_default[RF2] = 1000 * map[i].rf2_def; | |
592 | rf_default[RF3] = 1000 * map[i].rf3_def; | |
593 | ||
594 | for (rf = RF1; rf <= RF3; rf++) { | |
595 | if (0 == rf_default[rf]) | |
596 | return 0; | |
cf04d29c | 597 | tda_cal("freq = %d, rf = %d\n", freq, rf); |
255b5113 MK |
598 | |
599 | /* look for optimized calibration frequency */ | |
600 | bcal = tda18271_powerscan(fe, &rf_default[rf], &rf_freq[rf]); | |
4bd5d107 | 601 | if (tda_fail(bcal)) |
24124f78 | 602 | return bcal; |
255b5113 MK |
603 | |
604 | tda18271_calc_rf_cal(fe, &rf_freq[rf]); | |
381ad0ea | 605 | prog_tab[rf] = (s32)regs[R_EB14]; |
255b5113 MK |
606 | |
607 | if (1 == bcal) | |
381ad0ea MK |
608 | prog_cal[rf] = |
609 | (s32)tda18271_calibrate_rf(fe, rf_freq[rf]); | |
255b5113 MK |
610 | else |
611 | prog_cal[rf] = prog_tab[rf]; | |
612 | ||
613 | switch (rf) { | |
614 | case RF1: | |
615 | map[i].rf_a1 = 0; | |
381ad0ea | 616 | map[i].rf_b1 = (prog_cal[RF1] - prog_tab[RF1]); |
255b5113 MK |
617 | map[i].rf1 = rf_freq[RF1] / 1000; |
618 | break; | |
619 | case RF2: | |
381ad0ea MK |
620 | dividend = (prog_cal[RF2] - prog_tab[RF2] - |
621 | prog_cal[RF1] + prog_tab[RF1]); | |
3986bd11 MK |
622 | divisor = (s32)(rf_freq[RF2] - rf_freq[RF1]) / 1000; |
623 | map[i].rf_a1 = (dividend / divisor); | |
255b5113 MK |
624 | map[i].rf2 = rf_freq[RF2] / 1000; |
625 | break; | |
626 | case RF3: | |
381ad0ea MK |
627 | dividend = (prog_cal[RF3] - prog_tab[RF3] - |
628 | prog_cal[RF2] + prog_tab[RF2]); | |
3986bd11 MK |
629 | divisor = (s32)(rf_freq[RF3] - rf_freq[RF2]) / 1000; |
630 | map[i].rf_a2 = (dividend / divisor); | |
381ad0ea | 631 | map[i].rf_b2 = (prog_cal[RF2] - prog_tab[RF2]); |
255b5113 MK |
632 | map[i].rf3 = rf_freq[RF3] / 1000; |
633 | break; | |
634 | default: | |
635 | BUG(); | |
636 | } | |
637 | } | |
638 | ||
639 | return 0; | |
640 | } | |
641 | ||
09f83c4f | 642 | static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe) |
255b5113 MK |
643 | { |
644 | struct tda18271_priv *priv = fe->tuner_priv; | |
645 | unsigned int i; | |
24124f78 | 646 | int ret; |
255b5113 MK |
647 | |
648 | tda_info("tda18271: performing RF tracking filter calibration\n"); | |
649 | ||
650 | /* wait for die temperature stabilization */ | |
651 | msleep(200); | |
652 | ||
24124f78 | 653 | ret = tda18271_powerscan_init(fe); |
4bd5d107 | 654 | if (tda_fail(ret)) |
24124f78 | 655 | goto fail; |
255b5113 MK |
656 | |
657 | /* rf band calibration */ | |
c151c32f MK |
658 | for (i = 0; priv->rf_cal_state[i].rfmax != 0; i++) { |
659 | ret = | |
255b5113 MK |
660 | tda18271_rf_tracking_filters_init(fe, 1000 * |
661 | priv->rf_cal_state[i].rfmax); | |
4bd5d107 | 662 | if (tda_fail(ret)) |
c151c32f MK |
663 | goto fail; |
664 | } | |
255b5113 | 665 | |
09f83c4f | 666 | priv->tm_rfcal = tda18271_read_thermometer(fe); |
24124f78 MK |
667 | fail: |
668 | return ret; | |
255b5113 MK |
669 | } |
670 | ||
671 | /* ------------------------------------------------------------------ */ | |
672 | ||
12afe378 | 673 | static int tda18271c2_rf_cal_init(struct dvb_frontend *fe) |
255b5113 MK |
674 | { |
675 | struct tda18271_priv *priv = fe->tuner_priv; | |
839c6c96 | 676 | unsigned char *regs = priv->tda18271_regs; |
24124f78 | 677 | int ret; |
839c6c96 MK |
678 | |
679 | /* test RF_CAL_OK to see if we need init */ | |
680 | if ((regs[R_EP1] & 0x10) == 0) | |
681 | priv->cal_initialized = false; | |
255b5113 MK |
682 | |
683 | if (priv->cal_initialized) | |
684 | return 0; | |
685 | ||
24124f78 | 686 | ret = tda18271_calc_rf_filter_curve(fe); |
4bd5d107 | 687 | if (tda_fail(ret)) |
24124f78 | 688 | goto fail; |
255b5113 | 689 | |
24124f78 | 690 | ret = tda18271_por(fe); |
4bd5d107 | 691 | if (tda_fail(ret)) |
24124f78 | 692 | goto fail; |
255b5113 | 693 | |
6bfa6657 MK |
694 | tda_info("tda18271: RF tracking filter calibration complete\n"); |
695 | ||
255b5113 | 696 | priv->cal_initialized = true; |
c151c32f | 697 | goto end; |
24124f78 | 698 | fail: |
c151c32f MK |
699 | tda_info("tda18271: RF tracking filter calibration failed!\n"); |
700 | end: | |
24124f78 | 701 | return ret; |
255b5113 MK |
702 | } |
703 | ||
4d2d42bc MK |
704 | static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe, |
705 | u32 freq, u32 bw) | |
5bea1cd3 MK |
706 | { |
707 | struct tda18271_priv *priv = fe->tuner_priv; | |
708 | unsigned char *regs = priv->tda18271_regs; | |
10ed0bf4 | 709 | int ret; |
fe0bf6d7 | 710 | u32 N = 0; |
5bea1cd3 | 711 | |
255b5113 | 712 | /* calculate bp filter */ |
b92bf0f6 | 713 | tda18271_calc_bp_filter(fe, &freq); |
5bea1cd3 MK |
714 | tda18271_write_regs(fe, R_EP1, 1); |
715 | ||
716 | regs[R_EB4] &= 0x07; | |
717 | regs[R_EB4] |= 0x60; | |
718 | tda18271_write_regs(fe, R_EB4, 1); | |
719 | ||
720 | regs[R_EB7] = 0x60; | |
721 | tda18271_write_regs(fe, R_EB7, 1); | |
722 | ||
723 | regs[R_EB14] = 0x00; | |
724 | tda18271_write_regs(fe, R_EB14, 1); | |
725 | ||
726 | regs[R_EB20] = 0xcc; | |
727 | tda18271_write_regs(fe, R_EB20, 1); | |
728 | ||
255b5113 | 729 | /* set cal mode to RF tracking filter calibration */ |
26501a70 | 730 | regs[R_EP4] |= 0x03; |
5bea1cd3 | 731 | |
255b5113 | 732 | /* calculate cal pll */ |
5bea1cd3 MK |
733 | |
734 | switch (priv->mode) { | |
735 | case TDA18271_ANALOG: | |
736 | N = freq - 1250000; | |
737 | break; | |
738 | case TDA18271_DIGITAL: | |
739 | N = freq + bw / 2; | |
740 | break; | |
741 | } | |
742 | ||
fe0bf6d7 | 743 | tda18271_calc_cal_pll(fe, N); |
5bea1cd3 | 744 | |
255b5113 | 745 | /* calculate main pll */ |
5bea1cd3 MK |
746 | |
747 | switch (priv->mode) { | |
748 | case TDA18271_ANALOG: | |
749 | N = freq - 250000; | |
750 | break; | |
751 | case TDA18271_DIGITAL: | |
752 | N = freq + bw / 2 + 1000000; | |
753 | break; | |
754 | } | |
755 | ||
fe0bf6d7 | 756 | tda18271_calc_main_pll(fe, N); |
5bea1cd3 | 757 | |
10ed0bf4 | 758 | ret = tda18271_write_regs(fe, R_EP3, 11); |
4bd5d107 | 759 | if (tda_fail(ret)) |
10ed0bf4 MK |
760 | return ret; |
761 | ||
5bea1cd3 MK |
762 | msleep(5); /* RF tracking filter calibration initialization */ |
763 | ||
255b5113 | 764 | /* search for K,M,CO for RF calibration */ |
b92bf0f6 | 765 | tda18271_calc_km(fe, &freq); |
5bea1cd3 MK |
766 | tda18271_write_regs(fe, R_EB13, 1); |
767 | ||
255b5113 | 768 | /* search for rf band */ |
b92bf0f6 | 769 | tda18271_calc_rf_band(fe, &freq); |
5bea1cd3 | 770 | |
255b5113 | 771 | /* search for gain taper */ |
b92bf0f6 | 772 | tda18271_calc_gain_taper(fe, &freq); |
5bea1cd3 MK |
773 | |
774 | tda18271_write_regs(fe, R_EP2, 1); | |
775 | tda18271_write_regs(fe, R_EP1, 1); | |
776 | tda18271_write_regs(fe, R_EP2, 1); | |
777 | tda18271_write_regs(fe, R_EP1, 1); | |
778 | ||
779 | regs[R_EB4] &= 0x07; | |
780 | regs[R_EB4] |= 0x40; | |
781 | tda18271_write_regs(fe, R_EB4, 1); | |
782 | ||
783 | regs[R_EB7] = 0x40; | |
784 | tda18271_write_regs(fe, R_EB7, 1); | |
4d2d42bc | 785 | msleep(10); /* pll locking */ |
5bea1cd3 MK |
786 | |
787 | regs[R_EB20] = 0xec; | |
788 | tda18271_write_regs(fe, R_EB20, 1); | |
789 | msleep(60); /* RF tracking filter calibration completion */ | |
790 | ||
791 | regs[R_EP4] &= ~0x03; /* set cal mode to normal */ | |
792 | tda18271_write_regs(fe, R_EP4, 1); | |
793 | ||
794 | tda18271_write_regs(fe, R_EP1, 1); | |
795 | ||
b92bf0f6 MK |
796 | /* RF tracking filter correction for VHF_Low band */ |
797 | if (0 == tda18271_calc_rf_cal(fe, &freq)) | |
5bea1cd3 | 798 | tda18271_write_regs(fe, R_EB14, 1); |
5bea1cd3 | 799 | |
4d2d42bc MK |
800 | return 0; |
801 | } | |
802 | ||
d1c53424 MK |
803 | /* ------------------------------------------------------------------ */ |
804 | ||
12afe378 MK |
805 | static int tda18271_ir_cal_init(struct dvb_frontend *fe) |
806 | { | |
807 | struct tda18271_priv *priv = fe->tuner_priv; | |
808 | unsigned char *regs = priv->tda18271_regs; | |
d35fccaf | 809 | int ret; |
12afe378 | 810 | |
d35fccaf | 811 | ret = tda18271_read_regs(fe); |
4bd5d107 | 812 | if (tda_fail(ret)) |
d35fccaf | 813 | goto fail; |
12afe378 MK |
814 | |
815 | /* test IR_CAL_OK to see if we need init */ | |
816 | if ((regs[R_EP1] & 0x08) == 0) | |
d35fccaf MK |
817 | ret = tda18271_init_regs(fe); |
818 | fail: | |
819 | return ret; | |
12afe378 MK |
820 | } |
821 | ||
822 | static int tda18271_init(struct dvb_frontend *fe) | |
823 | { | |
824 | struct tda18271_priv *priv = fe->tuner_priv; | |
d35fccaf | 825 | int ret; |
12afe378 MK |
826 | |
827 | mutex_lock(&priv->lock); | |
828 | ||
4240b460 | 829 | /* full power up */ |
d35fccaf | 830 | ret = tda18271_set_standby_mode(fe, 0, 0, 0); |
4bd5d107 | 831 | if (tda_fail(ret)) |
d35fccaf | 832 | goto fail; |
12afe378 MK |
833 | |
834 | /* initialization */ | |
d35fccaf | 835 | ret = tda18271_ir_cal_init(fe); |
4bd5d107 | 836 | if (tda_fail(ret)) |
d35fccaf | 837 | goto fail; |
12afe378 MK |
838 | |
839 | if (priv->id == TDA18271HDC2) | |
840 | tda18271c2_rf_cal_init(fe); | |
d35fccaf | 841 | fail: |
12afe378 MK |
842 | mutex_unlock(&priv->lock); |
843 | ||
d35fccaf | 844 | return ret; |
12afe378 MK |
845 | } |
846 | ||
cc7e26d4 MK |
847 | static int tda18271_sleep(struct dvb_frontend *fe) |
848 | { | |
849 | struct tda18271_priv *priv = fe->tuner_priv; | |
850 | int ret; | |
851 | ||
852 | mutex_lock(&priv->lock); | |
853 | ||
854 | /* enter standby mode, with required output features enabled */ | |
855 | ret = tda18271_toggle_output(fe, 1); | |
856 | ||
857 | mutex_unlock(&priv->lock); | |
858 | ||
859 | return ret; | |
860 | } | |
861 | ||
adcc4b3e MK |
862 | /* ------------------------------------------------------------------ */ |
863 | ||
864 | static int tda18271_agc(struct dvb_frontend *fe) | |
865 | { | |
866 | struct tda18271_priv *priv = fe->tuner_priv; | |
867 | int ret = 0; | |
868 | ||
869 | switch (priv->config) { | |
870 | case 0: | |
ecda4273 MK |
871 | /* no external agc configuration required */ |
872 | if (tda18271_debug & DBG_ADV) | |
873 | tda_dbg("no agc configuration provided\n"); | |
adcc4b3e MK |
874 | break; |
875 | case 3: | |
876 | /* switch with GPIO of saa713x */ | |
877 | tda_dbg("invoking callback\n"); | |
878 | if (fe->callback) | |
879 | ret = fe->callback(priv->i2c_props.adap->algo_data, | |
880 | DVB_FRONTEND_COMPONENT_TUNER, | |
881 | TDA18271_CALLBACK_CMD_AGC_ENABLE, | |
882 | priv->mode); | |
883 | break; | |
884 | case 1: | |
885 | case 2: | |
886 | default: | |
887 | /* n/a - currently not supported */ | |
888 | tda_err("unsupported configuration: %d\n", priv->config); | |
889 | ret = -EINVAL; | |
890 | break; | |
891 | } | |
892 | return ret; | |
893 | } | |
894 | ||
d1c53424 | 895 | static int tda18271_tune(struct dvb_frontend *fe, |
c293d0a7 | 896 | struct tda18271_std_map_item *map, u32 freq, u32 bw) |
4d2d42bc MK |
897 | { |
898 | struct tda18271_priv *priv = fe->tuner_priv; | |
d35fccaf | 899 | int ret; |
4d2d42bc | 900 | |
7f7203df MK |
901 | tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n", |
902 | freq, map->if_freq, bw, map->agc_mode, map->std); | |
d1c53424 | 903 | |
adcc4b3e MK |
904 | ret = tda18271_agc(fe); |
905 | if (tda_fail(ret)) | |
906 | tda_warn("failed to configure agc\n"); | |
907 | ||
d35fccaf | 908 | ret = tda18271_init(fe); |
4bd5d107 | 909 | if (tda_fail(ret)) |
d35fccaf | 910 | goto fail; |
4d2d42bc MK |
911 | |
912 | mutex_lock(&priv->lock); | |
913 | ||
ccbac9bb MK |
914 | switch (priv->id) { |
915 | case TDA18271HDC1: | |
d1c53424 | 916 | tda18271c1_rf_tracking_filter_calibration(fe, freq, bw); |
ccbac9bb MK |
917 | break; |
918 | case TDA18271HDC2: | |
d1c53424 | 919 | tda18271c2_rf_tracking_filters_correction(fe, freq); |
ccbac9bb MK |
920 | break; |
921 | } | |
31940e39 | 922 | ret = tda18271_channel_configuration(fe, map, freq, bw); |
d1c53424 MK |
923 | |
924 | mutex_unlock(&priv->lock); | |
d35fccaf MK |
925 | fail: |
926 | return ret; | |
ccbac9bb MK |
927 | } |
928 | ||
5bea1cd3 MK |
929 | /* ------------------------------------------------------------------ */ |
930 | ||
931 | static int tda18271_set_params(struct dvb_frontend *fe, | |
932 | struct dvb_frontend_parameters *params) | |
933 | { | |
934 | struct tda18271_priv *priv = fe->tuner_priv; | |
f21e0d7f | 935 | struct tda18271_std_map *std_map = &priv->std; |
c293d0a7 | 936 | struct tda18271_std_map_item *map; |
ccbac9bb | 937 | int ret; |
2ba65d51 | 938 | u32 bw, freq = params->frequency; |
5bea1cd3 MK |
939 | |
940 | priv->mode = TDA18271_DIGITAL; | |
941 | ||
5bea1cd3 MK |
942 | if (fe->ops.info.type == FE_ATSC) { |
943 | switch (params->u.vsb.modulation) { | |
944 | case VSB_8: | |
945 | case VSB_16: | |
c293d0a7 | 946 | map = &std_map->atsc_6; |
5bea1cd3 MK |
947 | break; |
948 | case QAM_64: | |
949 | case QAM_256: | |
c293d0a7 | 950 | map = &std_map->qam_6; |
5bea1cd3 MK |
951 | break; |
952 | default: | |
182519f4 | 953 | tda_warn("modulation not set!\n"); |
5bea1cd3 MK |
954 | return -EINVAL; |
955 | } | |
14e3c152 MK |
956 | #if 0 |
957 | /* userspace request is already center adjusted */ | |
5bea1cd3 | 958 | freq += 1750000; /* Adjust to center (+1.75MHZ) */ |
14e3c152 | 959 | #endif |
5bea1cd3 MK |
960 | bw = 6000000; |
961 | } else if (fe->ops.info.type == FE_OFDM) { | |
962 | switch (params->u.ofdm.bandwidth) { | |
963 | case BANDWIDTH_6_MHZ: | |
5bea1cd3 | 964 | bw = 6000000; |
c293d0a7 | 965 | map = &std_map->dvbt_6; |
5bea1cd3 MK |
966 | break; |
967 | case BANDWIDTH_7_MHZ: | |
5bea1cd3 | 968 | bw = 7000000; |
c293d0a7 | 969 | map = &std_map->dvbt_7; |
5bea1cd3 MK |
970 | break; |
971 | case BANDWIDTH_8_MHZ: | |
5bea1cd3 | 972 | bw = 8000000; |
c293d0a7 | 973 | map = &std_map->dvbt_8; |
5bea1cd3 MK |
974 | break; |
975 | default: | |
182519f4 | 976 | tda_warn("bandwidth not set!\n"); |
5bea1cd3 MK |
977 | return -EINVAL; |
978 | } | |
f9d0bc1c AP |
979 | } else if (fe->ops.info.type == FE_QAM) { |
980 | /* DVB-C */ | |
981 | map = &std_map->qam_8; | |
982 | bw = 8000000; | |
5bea1cd3 | 983 | } else { |
182519f4 | 984 | tda_warn("modulation type not supported!\n"); |
5bea1cd3 MK |
985 | return -EINVAL; |
986 | } | |
987 | ||
ed73683f MK |
988 | /* When tuning digital, the analog demod must be tri-stated */ |
989 | if (fe->ops.analog_ops.standby) | |
990 | fe->ops.analog_ops.standby(fe); | |
991 | ||
c293d0a7 | 992 | ret = tda18271_tune(fe, map, freq, bw); |
ccbac9bb | 993 | |
4bd5d107 | 994 | if (tda_fail(ret)) |
ccbac9bb MK |
995 | goto fail; |
996 | ||
8c8ee113 | 997 | priv->if_freq = map->if_freq; |
ccbac9bb MK |
998 | priv->frequency = freq; |
999 | priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? | |
1000 | params->u.ofdm.bandwidth : 0; | |
1001 | fail: | |
1002 | return ret; | |
5bea1cd3 MK |
1003 | } |
1004 | ||
1005 | static int tda18271_set_analog_params(struct dvb_frontend *fe, | |
1006 | struct analog_parameters *params) | |
1007 | { | |
1008 | struct tda18271_priv *priv = fe->tuner_priv; | |
f21e0d7f | 1009 | struct tda18271_std_map *std_map = &priv->std; |
c293d0a7 | 1010 | struct tda18271_std_map_item *map; |
5bea1cd3 | 1011 | char *mode; |
c293d0a7 | 1012 | int ret; |
4d831787 MK |
1013 | u32 freq = params->frequency * 125 * |
1014 | ((params->mode == V4L2_TUNER_RADIO) ? 1 : 1000) / 2; | |
5bea1cd3 MK |
1015 | |
1016 | priv->mode = TDA18271_ANALOG; | |
1017 | ||
c353f42f | 1018 | if (params->mode == V4L2_TUNER_RADIO) { |
c293d0a7 | 1019 | map = &std_map->fm_radio; |
c353f42f MK |
1020 | mode = "fm"; |
1021 | } else if (params->std & V4L2_STD_MN) { | |
c293d0a7 | 1022 | map = &std_map->atv_mn; |
5bea1cd3 MK |
1023 | mode = "MN"; |
1024 | } else if (params->std & V4L2_STD_B) { | |
c293d0a7 | 1025 | map = &std_map->atv_b; |
5bea1cd3 MK |
1026 | mode = "B"; |
1027 | } else if (params->std & V4L2_STD_GH) { | |
c293d0a7 | 1028 | map = &std_map->atv_gh; |
5bea1cd3 MK |
1029 | mode = "GH"; |
1030 | } else if (params->std & V4L2_STD_PAL_I) { | |
c293d0a7 | 1031 | map = &std_map->atv_i; |
5bea1cd3 MK |
1032 | mode = "I"; |
1033 | } else if (params->std & V4L2_STD_DK) { | |
c293d0a7 | 1034 | map = &std_map->atv_dk; |
5bea1cd3 MK |
1035 | mode = "DK"; |
1036 | } else if (params->std & V4L2_STD_SECAM_L) { | |
c293d0a7 | 1037 | map = &std_map->atv_l; |
5bea1cd3 MK |
1038 | mode = "L"; |
1039 | } else if (params->std & V4L2_STD_SECAM_LC) { | |
c293d0a7 | 1040 | map = &std_map->atv_lc; |
95af8a26 | 1041 | mode = "L'"; |
5bea1cd3 | 1042 | } else { |
c293d0a7 | 1043 | map = &std_map->atv_i; |
5bea1cd3 MK |
1044 | mode = "xx"; |
1045 | } | |
1046 | ||
182519f4 | 1047 | tda_dbg("setting tda18271 to system %s\n", mode); |
5bea1cd3 | 1048 | |
c293d0a7 | 1049 | ret = tda18271_tune(fe, map, freq, 0); |
ccbac9bb | 1050 | |
4bd5d107 | 1051 | if (tda_fail(ret)) |
ccbac9bb MK |
1052 | goto fail; |
1053 | ||
8c8ee113 | 1054 | priv->if_freq = map->if_freq; |
ccbac9bb MK |
1055 | priv->frequency = freq; |
1056 | priv->bandwidth = 0; | |
1057 | fail: | |
1058 | return ret; | |
5bea1cd3 MK |
1059 | } |
1060 | ||
1061 | static int tda18271_release(struct dvb_frontend *fe) | |
1062 | { | |
a4f263b5 MK |
1063 | struct tda18271_priv *priv = fe->tuner_priv; |
1064 | ||
1065 | mutex_lock(&tda18271_list_mutex); | |
1066 | ||
f9e315a1 MK |
1067 | if (priv) |
1068 | hybrid_tuner_release_state(priv); | |
a4f263b5 | 1069 | |
a4f263b5 MK |
1070 | mutex_unlock(&tda18271_list_mutex); |
1071 | ||
5bea1cd3 | 1072 | fe->tuner_priv = NULL; |
a4f263b5 | 1073 | |
5bea1cd3 MK |
1074 | return 0; |
1075 | } | |
1076 | ||
1077 | static int tda18271_get_frequency(struct dvb_frontend *fe, u32 *frequency) | |
1078 | { | |
1079 | struct tda18271_priv *priv = fe->tuner_priv; | |
1080 | *frequency = priv->frequency; | |
1081 | return 0; | |
1082 | } | |
1083 | ||
1084 | static int tda18271_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) | |
1085 | { | |
1086 | struct tda18271_priv *priv = fe->tuner_priv; | |
1087 | *bandwidth = priv->bandwidth; | |
1088 | return 0; | |
1089 | } | |
1090 | ||
8c8ee113 MK |
1091 | static int tda18271_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) |
1092 | { | |
1093 | struct tda18271_priv *priv = fe->tuner_priv; | |
1094 | *frequency = (u32)priv->if_freq * 1000; | |
1095 | return 0; | |
1096 | } | |
1097 | ||
f21e0d7f MK |
1098 | /* ------------------------------------------------------------------ */ |
1099 | ||
1100 | #define tda18271_update_std(std_cfg, name) do { \ | |
7f7203df | 1101 | if (map->std_cfg.if_freq + \ |
c735372f MK |
1102 | map->std_cfg.agc_mode + map->std_cfg.std + \ |
1103 | map->std_cfg.if_lvl + map->std_cfg.rfagc_top > 0) { \ | |
f21e0d7f MK |
1104 | tda_dbg("Using custom std config for %s\n", name); \ |
1105 | memcpy(&std->std_cfg, &map->std_cfg, \ | |
1106 | sizeof(struct tda18271_std_map_item)); \ | |
1107 | } } while (0) | |
1108 | ||
1109 | #define tda18271_dump_std_item(std_cfg, name) do { \ | |
c735372f MK |
1110 | tda_dbg("(%s) if_freq = %d, agc_mode = %d, std = %d, " \ |
1111 | "if_lvl = %d, rfagc_top = 0x%02x\n", \ | |
7f7203df | 1112 | name, std->std_cfg.if_freq, \ |
c735372f MK |
1113 | std->std_cfg.agc_mode, std->std_cfg.std, \ |
1114 | std->std_cfg.if_lvl, std->std_cfg.rfagc_top); \ | |
f21e0d7f MK |
1115 | } while (0) |
1116 | ||
1117 | static int tda18271_dump_std_map(struct dvb_frontend *fe) | |
1118 | { | |
1119 | struct tda18271_priv *priv = fe->tuner_priv; | |
1120 | struct tda18271_std_map *std = &priv->std; | |
1121 | ||
1122 | tda_dbg("========== STANDARD MAP SETTINGS ==========\n"); | |
c735372f MK |
1123 | tda18271_dump_std_item(fm_radio, " fm "); |
1124 | tda18271_dump_std_item(atv_b, "atv b "); | |
1125 | tda18271_dump_std_item(atv_dk, "atv dk"); | |
1126 | tda18271_dump_std_item(atv_gh, "atv gh"); | |
1127 | tda18271_dump_std_item(atv_i, "atv i "); | |
1128 | tda18271_dump_std_item(atv_l, "atv l "); | |
1129 | tda18271_dump_std_item(atv_lc, "atv l'"); | |
f21e0d7f MK |
1130 | tda18271_dump_std_item(atv_mn, "atv mn"); |
1131 | tda18271_dump_std_item(atsc_6, "atsc 6"); | |
1132 | tda18271_dump_std_item(dvbt_6, "dvbt 6"); | |
1133 | tda18271_dump_std_item(dvbt_7, "dvbt 7"); | |
1134 | tda18271_dump_std_item(dvbt_8, "dvbt 8"); | |
c735372f MK |
1135 | tda18271_dump_std_item(qam_6, "qam 6 "); |
1136 | tda18271_dump_std_item(qam_8, "qam 8 "); | |
f21e0d7f MK |
1137 | |
1138 | return 0; | |
1139 | } | |
1140 | ||
1141 | static int tda18271_update_std_map(struct dvb_frontend *fe, | |
1142 | struct tda18271_std_map *map) | |
1143 | { | |
1144 | struct tda18271_priv *priv = fe->tuner_priv; | |
1145 | struct tda18271_std_map *std = &priv->std; | |
1146 | ||
1147 | if (!map) | |
1148 | return -EINVAL; | |
1149 | ||
c353f42f | 1150 | tda18271_update_std(fm_radio, "fm"); |
f21e0d7f MK |
1151 | tda18271_update_std(atv_b, "atv b"); |
1152 | tda18271_update_std(atv_dk, "atv dk"); | |
1153 | tda18271_update_std(atv_gh, "atv gh"); | |
1154 | tda18271_update_std(atv_i, "atv i"); | |
1155 | tda18271_update_std(atv_l, "atv l"); | |
1156 | tda18271_update_std(atv_lc, "atv l'"); | |
1157 | tda18271_update_std(atv_mn, "atv mn"); | |
1158 | tda18271_update_std(atsc_6, "atsc 6"); | |
1159 | tda18271_update_std(dvbt_6, "dvbt 6"); | |
1160 | tda18271_update_std(dvbt_7, "dvbt 7"); | |
1161 | tda18271_update_std(dvbt_8, "dvbt 8"); | |
1162 | tda18271_update_std(qam_6, "qam 6"); | |
1163 | tda18271_update_std(qam_8, "qam 8"); | |
1164 | ||
1165 | return 0; | |
1166 | } | |
1167 | ||
49e7aaf0 MK |
1168 | static int tda18271_get_id(struct dvb_frontend *fe) |
1169 | { | |
1170 | struct tda18271_priv *priv = fe->tuner_priv; | |
1171 | unsigned char *regs = priv->tda18271_regs; | |
1172 | char *name; | |
49e7aaf0 | 1173 | |
8d316bf5 | 1174 | mutex_lock(&priv->lock); |
49e7aaf0 | 1175 | tda18271_read_regs(fe); |
8d316bf5 | 1176 | mutex_unlock(&priv->lock); |
49e7aaf0 MK |
1177 | |
1178 | switch (regs[R_ID] & 0x7f) { | |
1179 | case 3: | |
1180 | name = "TDA18271HD/C1"; | |
255b5113 | 1181 | priv->id = TDA18271HDC1; |
49e7aaf0 MK |
1182 | break; |
1183 | case 4: | |
1184 | name = "TDA18271HD/C2"; | |
255b5113 | 1185 | priv->id = TDA18271HDC2; |
49e7aaf0 MK |
1186 | break; |
1187 | default: | |
bfc3d57f MCC |
1188 | tda_info("Unknown device (%i) detected @ %d-%04x, device not supported.\n", |
1189 | regs[R_ID], i2c_adapter_id(priv->i2c_props.adap), | |
1190 | priv->i2c_props.addr); | |
1191 | return -EINVAL; | |
49e7aaf0 MK |
1192 | } |
1193 | ||
bfc3d57f MCC |
1194 | tda_info("%s detected @ %d-%04x\n", name, |
1195 | i2c_adapter_id(priv->i2c_props.adap), priv->i2c_props.addr); | |
49e7aaf0 | 1196 | |
bfc3d57f | 1197 | return 0; |
49e7aaf0 MK |
1198 | } |
1199 | ||
c54e1dde MK |
1200 | static int tda18271_setup_configuration(struct dvb_frontend *fe, |
1201 | struct tda18271_config *cfg) | |
42f9a03e MK |
1202 | { |
1203 | struct tda18271_priv *priv = fe->tuner_priv; | |
42f9a03e MK |
1204 | |
1205 | priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO; | |
1206 | priv->role = (cfg) ? cfg->role : TDA18271_MASTER; | |
1207 | priv->config = (cfg) ? cfg->config : 0; | |
1208 | priv->small_i2c = (cfg) ? | |
1209 | cfg->small_i2c : TDA18271_39_BYTE_CHUNK_INIT; | |
1210 | priv->output_opt = (cfg) ? | |
1211 | cfg->output_opt : TDA18271_OUTPUT_LT_XT_ON; | |
1212 | ||
42f9a03e MK |
1213 | return 0; |
1214 | } | |
1215 | ||
5881ecfc MK |
1216 | static inline int tda18271_need_cal_on_startup(struct tda18271_config *cfg) |
1217 | { | |
1218 | /* tda18271_cal_on_startup == -1 when cal module option is unset */ | |
1219 | return ((tda18271_cal_on_startup == -1) ? | |
1220 | /* honor configuration setting */ | |
1221 | ((cfg) && (cfg->rf_cal_on_startup)) : | |
1222 | /* module option overrides configuration setting */ | |
1223 | (tda18271_cal_on_startup)) ? 1 : 0; | |
1224 | } | |
1225 | ||
c54e1dde MK |
1226 | static int tda18271_set_config(struct dvb_frontend *fe, void *priv_cfg) |
1227 | { | |
1228 | struct tda18271_config *cfg = (struct tda18271_config *) priv_cfg; | |
c54e1dde MK |
1229 | |
1230 | tda18271_setup_configuration(fe, cfg); | |
1231 | ||
5881ecfc | 1232 | if (tda18271_need_cal_on_startup(cfg)) |
c54e1dde MK |
1233 | tda18271_init(fe); |
1234 | ||
972aacc2 MK |
1235 | /* override default std map with values in config struct */ |
1236 | if ((cfg) && (cfg->std_map)) | |
1237 | tda18271_update_std_map(fe, cfg->std_map); | |
1238 | ||
c54e1dde MK |
1239 | return 0; |
1240 | } | |
1241 | ||
0b8bd83c | 1242 | static const struct dvb_tuner_ops tda18271_tuner_ops = { |
5bea1cd3 MK |
1243 | .info = { |
1244 | .name = "NXP TDA18271HD", | |
1245 | .frequency_min = 45000000, | |
1246 | .frequency_max = 864000000, | |
1247 | .frequency_step = 62500 | |
1248 | }, | |
efce8410 | 1249 | .init = tda18271_init, |
518d8739 | 1250 | .sleep = tda18271_sleep, |
5bea1cd3 MK |
1251 | .set_params = tda18271_set_params, |
1252 | .set_analog_params = tda18271_set_analog_params, | |
1253 | .release = tda18271_release, | |
42f9a03e | 1254 | .set_config = tda18271_set_config, |
5bea1cd3 MK |
1255 | .get_frequency = tda18271_get_frequency, |
1256 | .get_bandwidth = tda18271_get_bandwidth, | |
8c8ee113 | 1257 | .get_if_frequency = tda18271_get_if_frequency, |
5bea1cd3 MK |
1258 | }; |
1259 | ||
1260 | struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, | |
e435f95c | 1261 | struct i2c_adapter *i2c, |
f21e0d7f | 1262 | struct tda18271_config *cfg) |
5bea1cd3 MK |
1263 | { |
1264 | struct tda18271_priv *priv = NULL; | |
fab9bfbe | 1265 | int instance, ret; |
a4f263b5 MK |
1266 | |
1267 | mutex_lock(&tda18271_list_mutex); | |
1268 | ||
f9e315a1 MK |
1269 | instance = hybrid_tuner_request_state(struct tda18271_priv, priv, |
1270 | hybrid_tuner_instance_list, | |
1271 | i2c, addr, "tda18271"); | |
1272 | switch (instance) { | |
1273 | case 0: | |
1274 | goto fail; | |
f9e315a1 MK |
1275 | case 1: |
1276 | /* new tuner instance */ | |
42f9a03e MK |
1277 | fe->tuner_priv = priv; |
1278 | ||
c54e1dde | 1279 | tda18271_setup_configuration(fe, cfg); |
81016b49 | 1280 | |
a4f263b5 MK |
1281 | priv->cal_initialized = false; |
1282 | mutex_init(&priv->lock); | |
5bea1cd3 | 1283 | |
fab9bfbe MK |
1284 | ret = tda18271_get_id(fe); |
1285 | if (tda_fail(ret)) | |
a4f263b5 | 1286 | goto fail; |
49e7aaf0 | 1287 | |
fab9bfbe MK |
1288 | ret = tda18271_assign_map_layout(fe); |
1289 | if (tda_fail(ret)) | |
a4f263b5 | 1290 | goto fail; |
255b5113 | 1291 | |
a4f263b5 MK |
1292 | mutex_lock(&priv->lock); |
1293 | tda18271_init_regs(fe); | |
0f96251e | 1294 | |
5881ecfc MK |
1295 | if ((tda18271_need_cal_on_startup(cfg)) && |
1296 | (priv->id == TDA18271HDC2)) | |
12afe378 | 1297 | tda18271c2_rf_cal_init(fe); |
0f96251e | 1298 | |
a4f263b5 | 1299 | mutex_unlock(&priv->lock); |
f9e315a1 MK |
1300 | break; |
1301 | default: | |
1302 | /* existing tuner instance */ | |
1303 | fe->tuner_priv = priv; | |
1304 | ||
d5abef6b MK |
1305 | /* allow dvb driver to override configuration settings */ |
1306 | if (cfg) { | |
1307 | if (cfg->gate != TDA18271_GATE_ANALOG) | |
1308 | priv->gate = cfg->gate; | |
1309 | if (cfg->role) | |
1310 | priv->role = cfg->role; | |
1311 | if (cfg->config) | |
1312 | priv->config = cfg->config; | |
1313 | if (cfg->small_i2c) | |
1314 | priv->small_i2c = cfg->small_i2c; | |
1315 | if (cfg->output_opt) | |
1316 | priv->output_opt = cfg->output_opt; | |
42f9a03e MK |
1317 | if (cfg->std_map) |
1318 | tda18271_update_std_map(fe, cfg->std_map); | |
d5abef6b | 1319 | } |
5881ecfc | 1320 | if (tda18271_need_cal_on_startup(cfg)) |
188ea058 | 1321 | tda18271_init(fe); |
f9e315a1 | 1322 | break; |
a4f263b5 | 1323 | } |
5bea1cd3 | 1324 | |
972aacc2 MK |
1325 | /* override default std map with values in config struct */ |
1326 | if ((cfg) && (cfg->std_map)) | |
1327 | tda18271_update_std_map(fe, cfg->std_map); | |
1328 | ||
a4f263b5 | 1329 | mutex_unlock(&tda18271_list_mutex); |
8d316bf5 | 1330 | |
a4f263b5 MK |
1331 | memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops, |
1332 | sizeof(struct dvb_tuner_ops)); | |
efce8410 | 1333 | |
c735372f | 1334 | if (tda18271_debug & (DBG_MAP | DBG_ADV)) |
a4f263b5 | 1335 | tda18271_dump_std_map(fe); |
8d316bf5 | 1336 | |
5bea1cd3 | 1337 | return fe; |
49e7aaf0 | 1338 | fail: |
a4f263b5 MK |
1339 | mutex_unlock(&tda18271_list_mutex); |
1340 | ||
49e7aaf0 MK |
1341 | tda18271_release(fe); |
1342 | return NULL; | |
5bea1cd3 MK |
1343 | } |
1344 | EXPORT_SYMBOL_GPL(tda18271_attach); | |
1345 | MODULE_DESCRIPTION("NXP TDA18271HD analog / digital tuner driver"); | |
1346 | MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>"); | |
1347 | MODULE_LICENSE("GPL"); | |
5abaa530 | 1348 | MODULE_VERSION("0.4"); |
5bea1cd3 MK |
1349 | |
1350 | /* | |
1351 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
1352 | * --------------------------------------------------------------------------- | |
1353 | * Local variables: | |
1354 | * c-basic-offset: 8 | |
1355 | * End: | |
1356 | */ |