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af4e067e LO |
1 | /* Frontend part of the Linux driver for the Afatech 9005 |
2 | * USB1.1 DVB-T receiver. | |
3 | * | |
4 | * Copyright (C) 2007 Luca Olivetti (luca@ventoso.org) | |
5 | * | |
6 | * Thanks to Afatech who kindly provided information. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | * | |
22 | * see Documentation/dvb/README.dvb-usb for more information | |
23 | */ | |
24 | #include "af9005.h" | |
25 | #include "af9005-script.h" | |
26 | #include "mt2060.h" | |
27 | #include "qt1010.h" | |
28 | #include <asm/div64.h> | |
29 | ||
30 | struct af9005_fe_state { | |
31 | struct dvb_usb_device *d; | |
af4e067e LO |
32 | fe_status_t stat; |
33 | ||
34 | /* retraining parameters */ | |
35 | u32 original_fcw; | |
36 | u16 original_rf_top; | |
37 | u16 original_if_top; | |
38 | u16 original_if_min; | |
39 | u16 original_aci0_if_top; | |
40 | u16 original_aci1_if_top; | |
41 | u16 original_aci0_if_min; | |
42 | u8 original_if_unplug_th; | |
43 | u8 original_rf_unplug_th; | |
44 | u8 original_dtop_if_unplug_th; | |
45 | u8 original_dtop_rf_unplug_th; | |
46 | ||
47 | /* statistics */ | |
48 | u32 pre_vit_error_count; | |
49 | u32 pre_vit_bit_count; | |
50 | u32 ber; | |
51 | u32 post_vit_error_count; | |
52 | u32 post_vit_bit_count; | |
53 | u32 unc; | |
54 | u16 abort_count; | |
55 | ||
56 | int opened; | |
57 | int strong; | |
58 | unsigned long next_status_check; | |
59 | struct dvb_frontend frontend; | |
60 | }; | |
61 | ||
62 | static int af9005_write_word_agc(struct dvb_usb_device *d, u16 reghi, | |
63 | u16 reglo, u8 pos, u8 len, u16 value) | |
64 | { | |
65 | int ret; | |
66 | u8 temp; | |
67 | ||
68 | if ((ret = af9005_write_ofdm_register(d, reglo, (u8) (value & 0xff)))) | |
69 | return ret; | |
70 | temp = (u8) ((value & 0x0300) >> 8); | |
71 | return af9005_write_register_bits(d, reghi, pos, len, | |
72 | (u8) ((value & 0x300) >> 8)); | |
73 | } | |
74 | ||
75 | static int af9005_read_word_agc(struct dvb_usb_device *d, u16 reghi, | |
76 | u16 reglo, u8 pos, u8 len, u16 * value) | |
77 | { | |
78 | int ret; | |
79 | u8 temp0, temp1; | |
80 | ||
81 | if ((ret = af9005_read_ofdm_register(d, reglo, &temp0))) | |
82 | return ret; | |
83 | if ((ret = af9005_read_ofdm_register(d, reghi, &temp1))) | |
84 | return ret; | |
85 | switch (pos) { | |
86 | case 0: | |
87 | *value = ((u16) (temp1 & 0x03) << 8) + (u16) temp0; | |
88 | break; | |
89 | case 2: | |
90 | *value = ((u16) (temp1 & 0x0C) << 6) + (u16) temp0; | |
91 | break; | |
92 | case 4: | |
93 | *value = ((u16) (temp1 & 0x30) << 4) + (u16) temp0; | |
94 | break; | |
95 | case 6: | |
96 | *value = ((u16) (temp1 & 0xC0) << 2) + (u16) temp0; | |
97 | break; | |
98 | default: | |
99 | err("invalid pos in read word agc"); | |
100 | return -EINVAL; | |
101 | } | |
102 | return 0; | |
103 | ||
104 | } | |
105 | ||
106 | static int af9005_is_fecmon_available(struct dvb_frontend *fe, int *available) | |
107 | { | |
108 | struct af9005_fe_state *state = fe->demodulator_priv; | |
109 | int ret; | |
110 | u8 temp; | |
111 | ||
112 | *available = false; | |
113 | ||
114 | ret = af9005_read_register_bits(state->d, xd_p_fec_vtb_rsd_mon_en, | |
115 | fec_vtb_rsd_mon_en_pos, | |
116 | fec_vtb_rsd_mon_en_len, &temp); | |
117 | if (ret) | |
118 | return ret; | |
119 | if (temp & 1) { | |
120 | ret = | |
121 | af9005_read_register_bits(state->d, | |
122 | xd_p_reg_ofsm_read_rbc_en, | |
123 | reg_ofsm_read_rbc_en_pos, | |
124 | reg_ofsm_read_rbc_en_len, &temp); | |
125 | if (ret) | |
126 | return ret; | |
127 | if ((temp & 1) == 0) | |
128 | *available = true; | |
129 | ||
130 | } | |
131 | return 0; | |
132 | } | |
133 | ||
134 | static int af9005_get_post_vit_err_cw_count(struct dvb_frontend *fe, | |
135 | u32 * post_err_count, | |
136 | u32 * post_cw_count, | |
137 | u16 * abort_count) | |
138 | { | |
139 | struct af9005_fe_state *state = fe->demodulator_priv; | |
140 | int ret; | |
141 | u32 err_count; | |
142 | u32 cw_count; | |
143 | u8 temp, temp0, temp1, temp2; | |
144 | u16 loc_abort_count; | |
145 | ||
146 | *post_err_count = 0; | |
147 | *post_cw_count = 0; | |
148 | ||
149 | /* check if error bit count is ready */ | |
150 | ret = | |
151 | af9005_read_register_bits(state->d, xd_r_fec_rsd_ber_rdy, | |
152 | fec_rsd_ber_rdy_pos, fec_rsd_ber_rdy_len, | |
153 | &temp); | |
154 | if (ret) | |
155 | return ret; | |
156 | if (!temp) { | |
157 | deb_info("rsd counter not ready\n"); | |
158 | return 100; | |
159 | } | |
160 | /* get abort count */ | |
161 | ret = | |
162 | af9005_read_ofdm_register(state->d, | |
163 | xd_r_fec_rsd_abort_packet_cnt_7_0, | |
164 | &temp0); | |
165 | if (ret) | |
166 | return ret; | |
167 | ret = | |
168 | af9005_read_ofdm_register(state->d, | |
169 | xd_r_fec_rsd_abort_packet_cnt_15_8, | |
170 | &temp1); | |
171 | if (ret) | |
172 | return ret; | |
173 | loc_abort_count = ((u16) temp1 << 8) + temp0; | |
174 | ||
175 | /* get error count */ | |
176 | ret = | |
177 | af9005_read_ofdm_register(state->d, xd_r_fec_rsd_bit_err_cnt_7_0, | |
178 | &temp0); | |
179 | if (ret) | |
180 | return ret; | |
181 | ret = | |
182 | af9005_read_ofdm_register(state->d, xd_r_fec_rsd_bit_err_cnt_15_8, | |
183 | &temp1); | |
184 | if (ret) | |
185 | return ret; | |
186 | ret = | |
187 | af9005_read_ofdm_register(state->d, xd_r_fec_rsd_bit_err_cnt_23_16, | |
188 | &temp2); | |
189 | if (ret) | |
190 | return ret; | |
191 | err_count = ((u32) temp2 << 16) + ((u32) temp1 << 8) + temp0; | |
192 | *post_err_count = err_count - (u32) loc_abort_count *8 * 8; | |
193 | ||
194 | /* get RSD packet number */ | |
195 | ret = | |
196 | af9005_read_ofdm_register(state->d, xd_p_fec_rsd_packet_unit_7_0, | |
197 | &temp0); | |
198 | if (ret) | |
199 | return ret; | |
200 | ret = | |
201 | af9005_read_ofdm_register(state->d, xd_p_fec_rsd_packet_unit_15_8, | |
202 | &temp1); | |
203 | if (ret) | |
204 | return ret; | |
205 | cw_count = ((u32) temp1 << 8) + temp0; | |
206 | if (cw_count == 0) { | |
207 | err("wrong RSD packet count"); | |
208 | return -EIO; | |
209 | } | |
210 | deb_info("POST abort count %d err count %d rsd packets %d\n", | |
211 | loc_abort_count, err_count, cw_count); | |
212 | *post_cw_count = cw_count - (u32) loc_abort_count; | |
213 | *abort_count = loc_abort_count; | |
214 | return 0; | |
215 | ||
216 | } | |
217 | ||
218 | static int af9005_get_post_vit_ber(struct dvb_frontend *fe, | |
219 | u32 * post_err_count, u32 * post_cw_count, | |
220 | u16 * abort_count) | |
221 | { | |
222 | u32 loc_cw_count = 0, loc_err_count; | |
cf8e193a | 223 | u16 loc_abort_count = 0; |
af4e067e LO |
224 | int ret; |
225 | ||
226 | ret = | |
227 | af9005_get_post_vit_err_cw_count(fe, &loc_err_count, &loc_cw_count, | |
228 | &loc_abort_count); | |
229 | if (ret) | |
230 | return ret; | |
231 | *post_err_count = loc_err_count; | |
232 | *post_cw_count = loc_cw_count * 204 * 8; | |
233 | *abort_count = loc_abort_count; | |
234 | ||
235 | return 0; | |
236 | } | |
237 | ||
238 | static int af9005_get_pre_vit_err_bit_count(struct dvb_frontend *fe, | |
239 | u32 * pre_err_count, | |
240 | u32 * pre_bit_count) | |
241 | { | |
242 | struct af9005_fe_state *state = fe->demodulator_priv; | |
243 | u8 temp, temp0, temp1, temp2; | |
244 | u32 super_frame_count, x, bits; | |
245 | int ret; | |
246 | ||
247 | ret = | |
248 | af9005_read_register_bits(state->d, xd_r_fec_vtb_ber_rdy, | |
249 | fec_vtb_ber_rdy_pos, fec_vtb_ber_rdy_len, | |
250 | &temp); | |
251 | if (ret) | |
252 | return ret; | |
253 | if (!temp) { | |
254 | deb_info("viterbi counter not ready\n"); | |
255 | return 101; /* ERR_APO_VTB_COUNTER_NOT_READY; */ | |
256 | } | |
257 | ret = | |
258 | af9005_read_ofdm_register(state->d, xd_r_fec_vtb_err_bit_cnt_7_0, | |
259 | &temp0); | |
260 | if (ret) | |
261 | return ret; | |
262 | ret = | |
263 | af9005_read_ofdm_register(state->d, xd_r_fec_vtb_err_bit_cnt_15_8, | |
264 | &temp1); | |
265 | if (ret) | |
266 | return ret; | |
267 | ret = | |
268 | af9005_read_ofdm_register(state->d, xd_r_fec_vtb_err_bit_cnt_23_16, | |
269 | &temp2); | |
270 | if (ret) | |
271 | return ret; | |
272 | *pre_err_count = ((u32) temp2 << 16) + ((u32) temp1 << 8) + temp0; | |
273 | ||
274 | ret = | |
275 | af9005_read_ofdm_register(state->d, xd_p_fec_super_frm_unit_7_0, | |
276 | &temp0); | |
277 | if (ret) | |
278 | return ret; | |
279 | ret = | |
280 | af9005_read_ofdm_register(state->d, xd_p_fec_super_frm_unit_15_8, | |
281 | &temp1); | |
282 | if (ret) | |
283 | return ret; | |
284 | super_frame_count = ((u32) temp1 << 8) + temp0; | |
285 | if (super_frame_count == 0) { | |
286 | deb_info("super frame count 0\n"); | |
287 | return 102; | |
288 | } | |
289 | ||
290 | /* read fft mode */ | |
291 | ret = | |
292 | af9005_read_register_bits(state->d, xd_g_reg_tpsd_txmod, | |
293 | reg_tpsd_txmod_pos, reg_tpsd_txmod_len, | |
294 | &temp); | |
295 | if (ret) | |
296 | return ret; | |
297 | if (temp == 0) { | |
298 | /* 2K */ | |
299 | x = 1512; | |
300 | } else if (temp == 1) { | |
301 | /* 8k */ | |
302 | x = 6048; | |
303 | } else { | |
304 | err("Invalid fft mode"); | |
305 | return -EINVAL; | |
306 | } | |
307 | ||
308 | /* read constellation mode */ | |
309 | ret = | |
310 | af9005_read_register_bits(state->d, xd_g_reg_tpsd_const, | |
311 | reg_tpsd_const_pos, reg_tpsd_const_len, | |
312 | &temp); | |
313 | if (ret) | |
314 | return ret; | |
315 | switch (temp) { | |
316 | case 0: /* QPSK */ | |
317 | bits = 2; | |
318 | break; | |
319 | case 1: /* QAM_16 */ | |
320 | bits = 4; | |
321 | break; | |
322 | case 2: /* QAM_64 */ | |
323 | bits = 6; | |
324 | break; | |
325 | default: | |
326 | err("invalid constellation mode"); | |
327 | return -EINVAL; | |
328 | } | |
329 | *pre_bit_count = super_frame_count * 68 * 4 * x * bits; | |
330 | deb_info("PRE err count %d frame count %d bit count %d\n", | |
331 | *pre_err_count, super_frame_count, *pre_bit_count); | |
332 | return 0; | |
333 | } | |
334 | ||
335 | static int af9005_reset_pre_viterbi(struct dvb_frontend *fe) | |
336 | { | |
337 | struct af9005_fe_state *state = fe->demodulator_priv; | |
338 | int ret; | |
339 | ||
340 | /* set super frame count to 1 */ | |
341 | ret = | |
342 | af9005_write_ofdm_register(state->d, xd_p_fec_super_frm_unit_7_0, | |
343 | 1 & 0xff); | |
344 | if (ret) | |
345 | return ret; | |
4bc43652 AB |
346 | ret = af9005_write_ofdm_register(state->d, xd_p_fec_super_frm_unit_15_8, |
347 | 1 >> 8); | |
af4e067e LO |
348 | if (ret) |
349 | return ret; | |
350 | /* reset pre viterbi error count */ | |
351 | ret = | |
352 | af9005_write_register_bits(state->d, xd_p_fec_vtb_ber_rst, | |
353 | fec_vtb_ber_rst_pos, fec_vtb_ber_rst_len, | |
354 | 1); | |
355 | ||
356 | return ret; | |
357 | } | |
358 | ||
359 | static int af9005_reset_post_viterbi(struct dvb_frontend *fe) | |
360 | { | |
361 | struct af9005_fe_state *state = fe->demodulator_priv; | |
362 | int ret; | |
363 | ||
364 | /* set packet unit */ | |
365 | ret = | |
366 | af9005_write_ofdm_register(state->d, xd_p_fec_rsd_packet_unit_7_0, | |
367 | 10000 & 0xff); | |
368 | if (ret) | |
369 | return ret; | |
370 | ret = | |
371 | af9005_write_ofdm_register(state->d, xd_p_fec_rsd_packet_unit_15_8, | |
372 | 10000 >> 8); | |
373 | if (ret) | |
374 | return ret; | |
375 | /* reset post viterbi error count */ | |
376 | ret = | |
377 | af9005_write_register_bits(state->d, xd_p_fec_rsd_ber_rst, | |
378 | fec_rsd_ber_rst_pos, fec_rsd_ber_rst_len, | |
379 | 1); | |
380 | ||
381 | return ret; | |
382 | } | |
383 | ||
384 | static int af9005_get_statistic(struct dvb_frontend *fe) | |
385 | { | |
386 | struct af9005_fe_state *state = fe->demodulator_priv; | |
387 | int ret, fecavailable; | |
388 | u64 numerator, denominator; | |
389 | ||
390 | deb_info("GET STATISTIC\n"); | |
391 | ret = af9005_is_fecmon_available(fe, &fecavailable); | |
392 | if (ret) | |
393 | return ret; | |
394 | if (!fecavailable) { | |
395 | deb_info("fecmon not available\n"); | |
396 | return 0; | |
397 | } | |
398 | ||
399 | ret = af9005_get_pre_vit_err_bit_count(fe, &state->pre_vit_error_count, | |
400 | &state->pre_vit_bit_count); | |
401 | if (ret == 0) { | |
402 | af9005_reset_pre_viterbi(fe); | |
403 | if (state->pre_vit_bit_count > 0) { | |
404 | /* according to v 0.0.4 of the dvb api ber should be a multiple | |
405 | of 10E-9 so we have to multiply the error count by | |
406 | 10E9=1000000000 */ | |
407 | numerator = | |
408 | (u64) state->pre_vit_error_count * (u64) 1000000000; | |
409 | denominator = (u64) state->pre_vit_bit_count; | |
410 | state->ber = do_div(numerator, denominator); | |
411 | } else { | |
412 | state->ber = 0xffffffff; | |
413 | } | |
414 | } | |
415 | ||
416 | ret = af9005_get_post_vit_ber(fe, &state->post_vit_error_count, | |
417 | &state->post_vit_bit_count, | |
418 | &state->abort_count); | |
419 | if (ret == 0) { | |
420 | ret = af9005_reset_post_viterbi(fe); | |
421 | state->unc += state->abort_count; | |
422 | if (ret) | |
423 | return ret; | |
424 | } | |
425 | return 0; | |
426 | } | |
427 | ||
428 | static int af9005_fe_refresh_state(struct dvb_frontend *fe) | |
429 | { | |
430 | struct af9005_fe_state *state = fe->demodulator_priv; | |
431 | if (time_after(jiffies, state->next_status_check)) { | |
432 | deb_info("REFRESH STATE\n"); | |
433 | ||
434 | /* statistics */ | |
435 | if (af9005_get_statistic(fe)) | |
436 | err("get_statistic_failed"); | |
437 | state->next_status_check = jiffies + 250 * HZ / 1000; | |
438 | } | |
439 | return 0; | |
440 | } | |
441 | ||
442 | static int af9005_fe_read_status(struct dvb_frontend *fe, fe_status_t * stat) | |
443 | { | |
444 | struct af9005_fe_state *state = fe->demodulator_priv; | |
445 | u8 temp; | |
446 | int ret; | |
447 | ||
639ffd2d | 448 | if (fe->ops.tuner_ops.release == NULL) |
af4e067e LO |
449 | return -ENODEV; |
450 | ||
451 | *stat = 0; | |
452 | ret = af9005_read_register_bits(state->d, xd_p_agc_lock, | |
453 | agc_lock_pos, agc_lock_len, &temp); | |
454 | if (ret) | |
455 | return ret; | |
456 | if (temp) | |
457 | *stat |= FE_HAS_SIGNAL; | |
458 | ||
459 | ret = af9005_read_register_bits(state->d, xd_p_fd_tpsd_lock, | |
460 | fd_tpsd_lock_pos, fd_tpsd_lock_len, | |
461 | &temp); | |
462 | if (ret) | |
463 | return ret; | |
464 | if (temp) | |
465 | *stat |= FE_HAS_CARRIER; | |
466 | ||
467 | ret = af9005_read_register_bits(state->d, | |
468 | xd_r_mp2if_sync_byte_locked, | |
469 | mp2if_sync_byte_locked_pos, | |
470 | mp2if_sync_byte_locked_pos, &temp); | |
471 | if (ret) | |
472 | return ret; | |
473 | if (temp) | |
474 | *stat |= FE_HAS_SYNC | FE_HAS_VITERBI | FE_HAS_LOCK; | |
475 | if (state->opened) | |
476 | af9005_led_control(state->d, *stat & FE_HAS_LOCK); | |
477 | ||
478 | ret = | |
479 | af9005_read_register_bits(state->d, xd_p_reg_strong_sginal_detected, | |
480 | reg_strong_sginal_detected_pos, | |
481 | reg_strong_sginal_detected_len, &temp); | |
482 | if (ret) | |
483 | return ret; | |
484 | if (temp != state->strong) { | |
485 | deb_info("adjust for strong signal %d\n", temp); | |
486 | state->strong = temp; | |
487 | } | |
488 | return 0; | |
489 | } | |
490 | ||
491 | static int af9005_fe_read_ber(struct dvb_frontend *fe, u32 * ber) | |
492 | { | |
493 | struct af9005_fe_state *state = fe->demodulator_priv; | |
639ffd2d | 494 | if (fe->ops.tuner_ops.release == NULL) |
af4e067e LO |
495 | return -ENODEV; |
496 | af9005_fe_refresh_state(fe); | |
497 | *ber = state->ber; | |
498 | return 0; | |
499 | } | |
500 | ||
501 | static int af9005_fe_read_unc_blocks(struct dvb_frontend *fe, u32 * unc) | |
502 | { | |
503 | struct af9005_fe_state *state = fe->demodulator_priv; | |
639ffd2d | 504 | if (fe->ops.tuner_ops.release == NULL) |
af4e067e LO |
505 | return -ENODEV; |
506 | af9005_fe_refresh_state(fe); | |
507 | *unc = state->unc; | |
508 | return 0; | |
509 | } | |
510 | ||
511 | static int af9005_fe_read_signal_strength(struct dvb_frontend *fe, | |
512 | u16 * strength) | |
513 | { | |
514 | struct af9005_fe_state *state = fe->demodulator_priv; | |
515 | int ret; | |
516 | u8 if_gain, rf_gain; | |
517 | ||
639ffd2d | 518 | if (fe->ops.tuner_ops.release == NULL) |
af4e067e LO |
519 | return -ENODEV; |
520 | ret = | |
521 | af9005_read_ofdm_register(state->d, xd_r_reg_aagc_rf_gain, | |
522 | &rf_gain); | |
523 | if (ret) | |
524 | return ret; | |
525 | ret = | |
526 | af9005_read_ofdm_register(state->d, xd_r_reg_aagc_if_gain, | |
527 | &if_gain); | |
528 | if (ret) | |
529 | return ret; | |
530 | /* this value has no real meaning, but i don't have the tables that relate | |
531 | the rf and if gain with the dbm, so I just scale the value */ | |
532 | *strength = (512 - rf_gain - if_gain) << 7; | |
533 | return 0; | |
534 | } | |
535 | ||
536 | static int af9005_fe_read_snr(struct dvb_frontend *fe, u16 * snr) | |
537 | { | |
538 | /* the snr can be derived from the ber and the constellation | |
539 | but I don't think this kind of complex calculations belong | |
540 | in the driver. I may be wrong.... */ | |
541 | return -ENOSYS; | |
542 | } | |
543 | ||
544 | static int af9005_fe_program_cfoe(struct dvb_usb_device *d, fe_bandwidth_t bw) | |
545 | { | |
546 | u8 temp0, temp1, temp2, temp3, buf[4]; | |
547 | int ret; | |
548 | u32 NS_coeff1_2048Nu; | |
549 | u32 NS_coeff1_8191Nu; | |
550 | u32 NS_coeff1_8192Nu; | |
551 | u32 NS_coeff1_8193Nu; | |
552 | u32 NS_coeff2_2k; | |
553 | u32 NS_coeff2_8k; | |
554 | ||
555 | switch (bw) { | |
556 | case BANDWIDTH_6_MHZ: | |
557 | NS_coeff1_2048Nu = 0x2ADB6DC; | |
558 | NS_coeff1_8191Nu = 0xAB7313; | |
559 | NS_coeff1_8192Nu = 0xAB6DB7; | |
560 | NS_coeff1_8193Nu = 0xAB685C; | |
561 | NS_coeff2_2k = 0x156DB6E; | |
562 | NS_coeff2_8k = 0x55B6DC; | |
563 | break; | |
564 | ||
565 | case BANDWIDTH_7_MHZ: | |
566 | NS_coeff1_2048Nu = 0x3200001; | |
567 | NS_coeff1_8191Nu = 0xC80640; | |
568 | NS_coeff1_8192Nu = 0xC80000; | |
569 | NS_coeff1_8193Nu = 0xC7F9C0; | |
570 | NS_coeff2_2k = 0x1900000; | |
571 | NS_coeff2_8k = 0x640000; | |
572 | break; | |
573 | ||
574 | case BANDWIDTH_8_MHZ: | |
575 | NS_coeff1_2048Nu = 0x3924926; | |
576 | NS_coeff1_8191Nu = 0xE4996E; | |
577 | NS_coeff1_8192Nu = 0xE49249; | |
578 | NS_coeff1_8193Nu = 0xE48B25; | |
579 | NS_coeff2_2k = 0x1C92493; | |
580 | NS_coeff2_8k = 0x724925; | |
581 | break; | |
582 | default: | |
25985edc | 583 | err("Invalid bandwidth %d.", bw); |
af4e067e LO |
584 | return -EINVAL; |
585 | } | |
586 | ||
587 | /* | |
588 | * write NS_coeff1_2048Nu | |
589 | */ | |
590 | ||
591 | temp0 = (u8) (NS_coeff1_2048Nu & 0x000000FF); | |
592 | temp1 = (u8) ((NS_coeff1_2048Nu & 0x0000FF00) >> 8); | |
593 | temp2 = (u8) ((NS_coeff1_2048Nu & 0x00FF0000) >> 16); | |
594 | temp3 = (u8) ((NS_coeff1_2048Nu & 0x03000000) >> 24); | |
595 | ||
596 | /* big endian to make 8051 happy */ | |
597 | buf[0] = temp3; | |
598 | buf[1] = temp2; | |
599 | buf[2] = temp1; | |
600 | buf[3] = temp0; | |
601 | ||
602 | /* cfoe_NS_2k_coeff1_25_24 */ | |
603 | ret = af9005_write_ofdm_register(d, 0xAE00, buf[0]); | |
604 | if (ret) | |
605 | return ret; | |
606 | ||
607 | /* cfoe_NS_2k_coeff1_23_16 */ | |
608 | ret = af9005_write_ofdm_register(d, 0xAE01, buf[1]); | |
609 | if (ret) | |
610 | return ret; | |
611 | ||
612 | /* cfoe_NS_2k_coeff1_15_8 */ | |
613 | ret = af9005_write_ofdm_register(d, 0xAE02, buf[2]); | |
614 | if (ret) | |
615 | return ret; | |
616 | ||
617 | /* cfoe_NS_2k_coeff1_7_0 */ | |
618 | ret = af9005_write_ofdm_register(d, 0xAE03, buf[3]); | |
619 | if (ret) | |
620 | return ret; | |
621 | ||
622 | /* | |
623 | * write NS_coeff2_2k | |
624 | */ | |
625 | ||
626 | temp0 = (u8) ((NS_coeff2_2k & 0x0000003F)); | |
627 | temp1 = (u8) ((NS_coeff2_2k & 0x00003FC0) >> 6); | |
628 | temp2 = (u8) ((NS_coeff2_2k & 0x003FC000) >> 14); | |
629 | temp3 = (u8) ((NS_coeff2_2k & 0x01C00000) >> 22); | |
630 | ||
631 | /* big endian to make 8051 happy */ | |
632 | buf[0] = temp3; | |
633 | buf[1] = temp2; | |
634 | buf[2] = temp1; | |
635 | buf[3] = temp0; | |
636 | ||
637 | ret = af9005_write_ofdm_register(d, 0xAE04, buf[0]); | |
638 | if (ret) | |
639 | return ret; | |
640 | ||
641 | ret = af9005_write_ofdm_register(d, 0xAE05, buf[1]); | |
642 | if (ret) | |
643 | return ret; | |
644 | ||
645 | ret = af9005_write_ofdm_register(d, 0xAE06, buf[2]); | |
646 | if (ret) | |
647 | return ret; | |
648 | ||
649 | ret = af9005_write_ofdm_register(d, 0xAE07, buf[3]); | |
650 | if (ret) | |
651 | return ret; | |
652 | ||
653 | /* | |
654 | * write NS_coeff1_8191Nu | |
655 | */ | |
656 | ||
657 | temp0 = (u8) ((NS_coeff1_8191Nu & 0x000000FF)); | |
658 | temp1 = (u8) ((NS_coeff1_8191Nu & 0x0000FF00) >> 8); | |
659 | temp2 = (u8) ((NS_coeff1_8191Nu & 0x00FFC000) >> 16); | |
660 | temp3 = (u8) ((NS_coeff1_8191Nu & 0x03000000) >> 24); | |
661 | ||
662 | /* big endian to make 8051 happy */ | |
663 | buf[0] = temp3; | |
664 | buf[1] = temp2; | |
665 | buf[2] = temp1; | |
666 | buf[3] = temp0; | |
667 | ||
668 | ret = af9005_write_ofdm_register(d, 0xAE08, buf[0]); | |
669 | if (ret) | |
670 | return ret; | |
671 | ||
672 | ret = af9005_write_ofdm_register(d, 0xAE09, buf[1]); | |
673 | if (ret) | |
674 | return ret; | |
675 | ||
676 | ret = af9005_write_ofdm_register(d, 0xAE0A, buf[2]); | |
677 | if (ret) | |
678 | return ret; | |
679 | ||
680 | ret = af9005_write_ofdm_register(d, 0xAE0B, buf[3]); | |
681 | if (ret) | |
682 | return ret; | |
683 | ||
684 | /* | |
685 | * write NS_coeff1_8192Nu | |
686 | */ | |
687 | ||
688 | temp0 = (u8) (NS_coeff1_8192Nu & 0x000000FF); | |
689 | temp1 = (u8) ((NS_coeff1_8192Nu & 0x0000FF00) >> 8); | |
690 | temp2 = (u8) ((NS_coeff1_8192Nu & 0x00FFC000) >> 16); | |
691 | temp3 = (u8) ((NS_coeff1_8192Nu & 0x03000000) >> 24); | |
692 | ||
693 | /* big endian to make 8051 happy */ | |
694 | buf[0] = temp3; | |
695 | buf[1] = temp2; | |
696 | buf[2] = temp1; | |
697 | buf[3] = temp0; | |
698 | ||
699 | ret = af9005_write_ofdm_register(d, 0xAE0C, buf[0]); | |
700 | if (ret) | |
701 | return ret; | |
702 | ||
703 | ret = af9005_write_ofdm_register(d, 0xAE0D, buf[1]); | |
704 | if (ret) | |
705 | return ret; | |
706 | ||
707 | ret = af9005_write_ofdm_register(d, 0xAE0E, buf[2]); | |
708 | if (ret) | |
709 | return ret; | |
710 | ||
711 | ret = af9005_write_ofdm_register(d, 0xAE0F, buf[3]); | |
712 | if (ret) | |
713 | return ret; | |
714 | ||
715 | /* | |
716 | * write NS_coeff1_8193Nu | |
717 | */ | |
718 | ||
719 | temp0 = (u8) ((NS_coeff1_8193Nu & 0x000000FF)); | |
720 | temp1 = (u8) ((NS_coeff1_8193Nu & 0x0000FF00) >> 8); | |
721 | temp2 = (u8) ((NS_coeff1_8193Nu & 0x00FFC000) >> 16); | |
722 | temp3 = (u8) ((NS_coeff1_8193Nu & 0x03000000) >> 24); | |
723 | ||
724 | /* big endian to make 8051 happy */ | |
725 | buf[0] = temp3; | |
726 | buf[1] = temp2; | |
727 | buf[2] = temp1; | |
728 | buf[3] = temp0; | |
729 | ||
730 | ret = af9005_write_ofdm_register(d, 0xAE10, buf[0]); | |
731 | if (ret) | |
732 | return ret; | |
733 | ||
734 | ret = af9005_write_ofdm_register(d, 0xAE11, buf[1]); | |
735 | if (ret) | |
736 | return ret; | |
737 | ||
738 | ret = af9005_write_ofdm_register(d, 0xAE12, buf[2]); | |
739 | if (ret) | |
740 | return ret; | |
741 | ||
742 | ret = af9005_write_ofdm_register(d, 0xAE13, buf[3]); | |
743 | if (ret) | |
744 | return ret; | |
745 | ||
746 | /* | |
747 | * write NS_coeff2_8k | |
748 | */ | |
749 | ||
750 | temp0 = (u8) ((NS_coeff2_8k & 0x0000003F)); | |
751 | temp1 = (u8) ((NS_coeff2_8k & 0x00003FC0) >> 6); | |
752 | temp2 = (u8) ((NS_coeff2_8k & 0x003FC000) >> 14); | |
753 | temp3 = (u8) ((NS_coeff2_8k & 0x01C00000) >> 22); | |
754 | ||
755 | /* big endian to make 8051 happy */ | |
756 | buf[0] = temp3; | |
757 | buf[1] = temp2; | |
758 | buf[2] = temp1; | |
759 | buf[3] = temp0; | |
760 | ||
761 | ret = af9005_write_ofdm_register(d, 0xAE14, buf[0]); | |
762 | if (ret) | |
763 | return ret; | |
764 | ||
765 | ret = af9005_write_ofdm_register(d, 0xAE15, buf[1]); | |
766 | if (ret) | |
767 | return ret; | |
768 | ||
769 | ret = af9005_write_ofdm_register(d, 0xAE16, buf[2]); | |
770 | if (ret) | |
771 | return ret; | |
772 | ||
773 | ret = af9005_write_ofdm_register(d, 0xAE17, buf[3]); | |
774 | return ret; | |
775 | ||
776 | } | |
777 | ||
778 | static int af9005_fe_select_bw(struct dvb_usb_device *d, fe_bandwidth_t bw) | |
779 | { | |
780 | u8 temp; | |
781 | switch (bw) { | |
782 | case BANDWIDTH_6_MHZ: | |
783 | temp = 0; | |
784 | break; | |
785 | case BANDWIDTH_7_MHZ: | |
786 | temp = 1; | |
787 | break; | |
788 | case BANDWIDTH_8_MHZ: | |
789 | temp = 2; | |
790 | break; | |
791 | default: | |
25985edc | 792 | err("Invalid bandwidth %d.", bw); |
af4e067e LO |
793 | return -EINVAL; |
794 | } | |
795 | return af9005_write_register_bits(d, xd_g_reg_bw, reg_bw_pos, | |
796 | reg_bw_len, temp); | |
797 | } | |
798 | ||
799 | static int af9005_fe_power(struct dvb_frontend *fe, int on) | |
800 | { | |
801 | struct af9005_fe_state *state = fe->demodulator_priv; | |
802 | u8 temp = on; | |
803 | int ret; | |
804 | deb_info("power %s tuner\n", on ? "on" : "off"); | |
805 | ret = af9005_send_command(state->d, 0x03, &temp, 1, NULL, 0); | |
806 | return ret; | |
807 | } | |
808 | ||
809 | static struct mt2060_config af9005_mt2060_config = { | |
810 | 0xC0 | |
811 | }; | |
812 | ||
813 | static struct qt1010_config af9005_qt1010_config = { | |
814 | 0xC4 | |
815 | }; | |
816 | ||
817 | static int af9005_fe_init(struct dvb_frontend *fe) | |
818 | { | |
819 | struct af9005_fe_state *state = fe->demodulator_priv; | |
820 | struct dvb_usb_adapter *adap = fe->dvb->priv; | |
821 | int ret, i, scriptlen; | |
822 | u8 temp, temp0 = 0, temp1 = 0, temp2 = 0; | |
823 | u8 buf[2]; | |
824 | u16 if1; | |
825 | ||
826 | deb_info("in af9005_fe_init\n"); | |
827 | ||
828 | /* reset */ | |
829 | deb_info("reset\n"); | |
830 | if ((ret = | |
831 | af9005_write_register_bits(state->d, xd_I2C_reg_ofdm_rst_en, | |
832 | 4, 1, 0x01))) | |
833 | return ret; | |
834 | if ((ret = af9005_write_ofdm_register(state->d, APO_REG_RESET, 0))) | |
835 | return ret; | |
836 | /* clear ofdm reset */ | |
837 | deb_info("clear ofdm reset\n"); | |
838 | for (i = 0; i < 150; i++) { | |
839 | if ((ret = | |
840 | af9005_read_ofdm_register(state->d, | |
841 | xd_I2C_reg_ofdm_rst, &temp))) | |
842 | return ret; | |
843 | if (temp & (regmask[reg_ofdm_rst_len - 1] << reg_ofdm_rst_pos)) | |
844 | break; | |
845 | msleep(10); | |
846 | } | |
847 | if (i == 150) | |
848 | return -ETIMEDOUT; | |
849 | ||
850 | /*FIXME in the dump | |
851 | write B200 A9 | |
852 | write xd_g_reg_ofsm_clk 7 | |
853 | read eepr c6 (2) | |
854 | read eepr c7 (2) | |
855 | misc ctrl 3 -> 1 | |
856 | read eepr ca (6) | |
857 | write xd_g_reg_ofsm_clk 0 | |
858 | write B200 a1 | |
859 | */ | |
860 | ret = af9005_write_ofdm_register(state->d, 0xb200, 0xa9); | |
861 | if (ret) | |
862 | return ret; | |
863 | ret = af9005_write_ofdm_register(state->d, xd_g_reg_ofsm_clk, 0x07); | |
864 | if (ret) | |
865 | return ret; | |
866 | temp = 0x01; | |
867 | ret = af9005_send_command(state->d, 0x03, &temp, 1, NULL, 0); | |
868 | if (ret) | |
869 | return ret; | |
870 | ret = af9005_write_ofdm_register(state->d, xd_g_reg_ofsm_clk, 0x00); | |
871 | if (ret) | |
872 | return ret; | |
873 | ret = af9005_write_ofdm_register(state->d, 0xb200, 0xa1); | |
874 | if (ret) | |
875 | return ret; | |
876 | ||
877 | temp = regmask[reg_ofdm_rst_len - 1] << reg_ofdm_rst_pos; | |
878 | if ((ret = | |
879 | af9005_write_register_bits(state->d, xd_I2C_reg_ofdm_rst, | |
880 | reg_ofdm_rst_pos, reg_ofdm_rst_len, 1))) | |
881 | return ret; | |
4bc43652 AB |
882 | ret = af9005_write_register_bits(state->d, xd_I2C_reg_ofdm_rst, |
883 | reg_ofdm_rst_pos, reg_ofdm_rst_len, 0); | |
af4e067e LO |
884 | |
885 | if (ret) | |
886 | return ret; | |
887 | /* don't know what register aefc is, but this is what the windows driver does */ | |
888 | ret = af9005_write_ofdm_register(state->d, 0xaefc, 0); | |
889 | if (ret) | |
890 | return ret; | |
891 | ||
892 | /* set stand alone chip */ | |
893 | deb_info("set stand alone chip\n"); | |
894 | if ((ret = | |
895 | af9005_write_register_bits(state->d, xd_p_reg_dca_stand_alone, | |
896 | reg_dca_stand_alone_pos, | |
897 | reg_dca_stand_alone_len, 1))) | |
898 | return ret; | |
899 | ||
900 | /* set dca upper & lower chip */ | |
901 | deb_info("set dca upper & lower chip\n"); | |
902 | if ((ret = | |
903 | af9005_write_register_bits(state->d, xd_p_reg_dca_upper_chip, | |
904 | reg_dca_upper_chip_pos, | |
905 | reg_dca_upper_chip_len, 0))) | |
906 | return ret; | |
907 | if ((ret = | |
908 | af9005_write_register_bits(state->d, xd_p_reg_dca_lower_chip, | |
909 | reg_dca_lower_chip_pos, | |
910 | reg_dca_lower_chip_len, 0))) | |
911 | return ret; | |
912 | ||
913 | /* set 2wire master clock to 0x14 (for 60KHz) */ | |
914 | deb_info("set 2wire master clock to 0x14 (for 60KHz)\n"); | |
915 | if ((ret = | |
916 | af9005_write_ofdm_register(state->d, xd_I2C_i2c_m_period, 0x14))) | |
917 | return ret; | |
918 | ||
919 | /* clear dca enable chip */ | |
920 | deb_info("clear dca enable chip\n"); | |
921 | if ((ret = | |
922 | af9005_write_register_bits(state->d, xd_p_reg_dca_en, | |
923 | reg_dca_en_pos, reg_dca_en_len, 0))) | |
924 | return ret; | |
925 | /* FIXME these are register bits, but I don't know which ones */ | |
926 | ret = af9005_write_ofdm_register(state->d, 0xa16c, 1); | |
927 | if (ret) | |
928 | return ret; | |
929 | ret = af9005_write_ofdm_register(state->d, 0xa3c1, 0); | |
930 | if (ret) | |
931 | return ret; | |
932 | ||
25985edc | 933 | /* init other parameters: program cfoe and select bandwidth */ |
af4e067e LO |
934 | deb_info("program cfoe\n"); |
935 | if ((ret = af9005_fe_program_cfoe(state->d, BANDWIDTH_6_MHZ))) | |
936 | return ret; | |
937 | /* set read-update bit for constellation */ | |
938 | deb_info("set read-update bit for constellation\n"); | |
939 | if ((ret = | |
940 | af9005_write_register_bits(state->d, xd_p_reg_feq_read_update, | |
941 | reg_feq_read_update_pos, | |
942 | reg_feq_read_update_len, 1))) | |
943 | return ret; | |
944 | ||
945 | /* sample code has a set MPEG TS code here | |
946 | but sniffing reveals that it doesn't do it */ | |
947 | ||
948 | /* set read-update bit to 1 for DCA constellation */ | |
949 | deb_info("set read-update bit 1 for DCA constellation\n"); | |
950 | if ((ret = | |
951 | af9005_write_register_bits(state->d, xd_p_reg_dca_read_update, | |
952 | reg_dca_read_update_pos, | |
953 | reg_dca_read_update_len, 1))) | |
954 | return ret; | |
955 | ||
956 | /* enable fec monitor */ | |
957 | deb_info("enable fec monitor\n"); | |
958 | if ((ret = | |
959 | af9005_write_register_bits(state->d, xd_p_fec_vtb_rsd_mon_en, | |
960 | fec_vtb_rsd_mon_en_pos, | |
961 | fec_vtb_rsd_mon_en_len, 1))) | |
962 | return ret; | |
963 | ||
964 | /* FIXME should be register bits, I don't know which ones */ | |
965 | ret = af9005_write_ofdm_register(state->d, 0xa601, 0); | |
966 | ||
967 | /* set api_retrain_never_freeze */ | |
968 | deb_info("set api_retrain_never_freeze\n"); | |
969 | if ((ret = af9005_write_ofdm_register(state->d, 0xaefb, 0x01))) | |
970 | return ret; | |
971 | ||
972 | /* load init script */ | |
973 | deb_info("load init script\n"); | |
974 | scriptlen = sizeof(script) / sizeof(RegDesc); | |
975 | for (i = 0; i < scriptlen; i++) { | |
976 | if ((ret = | |
977 | af9005_write_register_bits(state->d, script[i].reg, | |
978 | script[i].pos, | |
979 | script[i].len, script[i].val))) | |
980 | return ret; | |
981 | /* save 3 bytes of original fcw */ | |
982 | if (script[i].reg == 0xae18) | |
983 | temp2 = script[i].val; | |
984 | if (script[i].reg == 0xae19) | |
985 | temp1 = script[i].val; | |
986 | if (script[i].reg == 0xae1a) | |
987 | temp0 = script[i].val; | |
988 | ||
989 | /* save original unplug threshold */ | |
990 | if (script[i].reg == xd_p_reg_unplug_th) | |
991 | state->original_if_unplug_th = script[i].val; | |
992 | if (script[i].reg == xd_p_reg_unplug_rf_gain_th) | |
993 | state->original_rf_unplug_th = script[i].val; | |
994 | if (script[i].reg == xd_p_reg_unplug_dtop_if_gain_th) | |
995 | state->original_dtop_if_unplug_th = script[i].val; | |
996 | if (script[i].reg == xd_p_reg_unplug_dtop_rf_gain_th) | |
997 | state->original_dtop_rf_unplug_th = script[i].val; | |
998 | ||
999 | } | |
1000 | state->original_fcw = | |
1001 | ((u32) temp2 << 16) + ((u32) temp1 << 8) + (u32) temp0; | |
1002 | ||
1003 | ||
1004 | /* save original TOPs */ | |
1005 | deb_info("save original TOPs\n"); | |
1006 | ||
1007 | /* RF TOP */ | |
1008 | ret = | |
1009 | af9005_read_word_agc(state->d, | |
1010 | xd_p_reg_aagc_rf_top_numerator_9_8, | |
1011 | xd_p_reg_aagc_rf_top_numerator_7_0, 0, 2, | |
1012 | &state->original_rf_top); | |
1013 | if (ret) | |
1014 | return ret; | |
1015 | ||
1016 | /* IF TOP */ | |
1017 | ret = | |
1018 | af9005_read_word_agc(state->d, | |
1019 | xd_p_reg_aagc_if_top_numerator_9_8, | |
1020 | xd_p_reg_aagc_if_top_numerator_7_0, 0, 2, | |
1021 | &state->original_if_top); | |
1022 | if (ret) | |
1023 | return ret; | |
1024 | ||
1025 | /* ACI 0 IF TOP */ | |
1026 | ret = | |
1027 | af9005_read_word_agc(state->d, 0xA60E, 0xA60A, 4, 2, | |
1028 | &state->original_aci0_if_top); | |
1029 | if (ret) | |
1030 | return ret; | |
1031 | ||
1032 | /* ACI 1 IF TOP */ | |
1033 | ret = | |
1034 | af9005_read_word_agc(state->d, 0xA60E, 0xA60B, 6, 2, | |
1035 | &state->original_aci1_if_top); | |
1036 | if (ret) | |
1037 | return ret; | |
1038 | ||
1039 | /* attach tuner and init */ | |
639ffd2d | 1040 | if (fe->ops.tuner_ops.release == NULL) { |
af4e067e LO |
1041 | /* read tuner and board id from eeprom */ |
1042 | ret = af9005_read_eeprom(adap->dev, 0xc6, buf, 2); | |
1043 | if (ret) { | |
1044 | err("Impossible to read EEPROM\n"); | |
1045 | return ret; | |
1046 | } | |
1047 | deb_info("Tuner id %d, board id %d\n", buf[0], buf[1]); | |
1048 | switch (buf[0]) { | |
1049 | case 2: /* MT2060 */ | |
1050 | /* read if1 from eeprom */ | |
1051 | ret = af9005_read_eeprom(adap->dev, 0xc8, buf, 2); | |
1052 | if (ret) { | |
1053 | err("Impossible to read EEPROM\n"); | |
1054 | return ret; | |
1055 | } | |
1056 | if1 = (u16) (buf[0] << 8) + buf[1]; | |
639ffd2d LO |
1057 | if (dvb_attach(mt2060_attach, fe, &adap->dev->i2c_adap, |
1058 | &af9005_mt2060_config, if1) == NULL) { | |
af4e067e LO |
1059 | deb_info("MT2060 attach failed\n"); |
1060 | return -ENODEV; | |
1061 | } | |
1062 | break; | |
1063 | case 3: /* QT1010 */ | |
1064 | case 9: /* QT1010B */ | |
639ffd2d LO |
1065 | if (dvb_attach(qt1010_attach, fe, &adap->dev->i2c_adap, |
1066 | &af9005_qt1010_config) ==NULL) { | |
af4e067e LO |
1067 | deb_info("QT1010 attach failed\n"); |
1068 | return -ENODEV; | |
1069 | } | |
1070 | break; | |
1071 | default: | |
1072 | err("Unsupported tuner type %d", buf[0]); | |
1073 | return -ENODEV; | |
1074 | } | |
639ffd2d | 1075 | ret = fe->ops.tuner_ops.init(fe); |
af4e067e LO |
1076 | if (ret) |
1077 | return ret; | |
1078 | } | |
1079 | ||
1080 | deb_info("profit!\n"); | |
1081 | return 0; | |
1082 | } | |
1083 | ||
1084 | static int af9005_fe_sleep(struct dvb_frontend *fe) | |
1085 | { | |
1086 | return af9005_fe_power(fe, 0); | |
1087 | } | |
1088 | ||
1089 | static int af9005_ts_bus_ctrl(struct dvb_frontend *fe, int acquire) | |
1090 | { | |
1091 | struct af9005_fe_state *state = fe->demodulator_priv; | |
1092 | ||
1093 | if (acquire) { | |
1094 | state->opened++; | |
1095 | } else { | |
1096 | ||
1097 | state->opened--; | |
1098 | if (!state->opened) | |
1099 | af9005_led_control(state->d, 0); | |
1100 | } | |
1101 | return 0; | |
1102 | } | |
1103 | ||
1104 | static int af9005_fe_set_frontend(struct dvb_frontend *fe, | |
1105 | struct dvb_frontend_parameters *fep) | |
1106 | { | |
1107 | struct af9005_fe_state *state = fe->demodulator_priv; | |
1108 | int ret; | |
1109 | u8 temp, temp0, temp1, temp2; | |
1110 | ||
1111 | deb_info("af9005_fe_set_frontend freq %d bw %d\n", fep->frequency, | |
1112 | fep->u.ofdm.bandwidth); | |
639ffd2d | 1113 | if (fe->ops.tuner_ops.release == NULL) { |
af4e067e LO |
1114 | err("Tuner not attached"); |
1115 | return -ENODEV; | |
1116 | } | |
1117 | ||
1118 | deb_info("turn off led\n"); | |
1119 | /* not in the log */ | |
1120 | ret = af9005_led_control(state->d, 0); | |
1121 | if (ret) | |
1122 | return ret; | |
1123 | /* not sure about the bits */ | |
1124 | ret = af9005_write_register_bits(state->d, XD_MP2IF_MISC, 2, 1, 0); | |
1125 | if (ret) | |
1126 | return ret; | |
1127 | ||
1128 | /* set FCW to default value */ | |
1129 | deb_info("set FCW to default value\n"); | |
1130 | temp0 = (u8) (state->original_fcw & 0x000000ff); | |
1131 | temp1 = (u8) ((state->original_fcw & 0x0000ff00) >> 8); | |
1132 | temp2 = (u8) ((state->original_fcw & 0x00ff0000) >> 16); | |
1133 | ret = af9005_write_ofdm_register(state->d, 0xae1a, temp0); | |
1134 | if (ret) | |
1135 | return ret; | |
1136 | ret = af9005_write_ofdm_register(state->d, 0xae19, temp1); | |
1137 | if (ret) | |
1138 | return ret; | |
1139 | ret = af9005_write_ofdm_register(state->d, 0xae18, temp2); | |
1140 | if (ret) | |
1141 | return ret; | |
1142 | ||
1143 | /* restore original TOPs */ | |
1144 | deb_info("restore original TOPs\n"); | |
1145 | ret = | |
1146 | af9005_write_word_agc(state->d, | |
1147 | xd_p_reg_aagc_rf_top_numerator_9_8, | |
1148 | xd_p_reg_aagc_rf_top_numerator_7_0, 0, 2, | |
1149 | state->original_rf_top); | |
1150 | if (ret) | |
1151 | return ret; | |
1152 | ret = | |
1153 | af9005_write_word_agc(state->d, | |
1154 | xd_p_reg_aagc_if_top_numerator_9_8, | |
1155 | xd_p_reg_aagc_if_top_numerator_7_0, 0, 2, | |
1156 | state->original_if_top); | |
1157 | if (ret) | |
1158 | return ret; | |
1159 | ret = | |
1160 | af9005_write_word_agc(state->d, 0xA60E, 0xA60A, 4, 2, | |
1161 | state->original_aci0_if_top); | |
1162 | if (ret) | |
1163 | return ret; | |
1164 | ret = | |
1165 | af9005_write_word_agc(state->d, 0xA60E, 0xA60B, 6, 2, | |
1166 | state->original_aci1_if_top); | |
1167 | if (ret) | |
1168 | return ret; | |
1169 | ||
25985edc | 1170 | /* select bandwidth */ |
af4e067e LO |
1171 | deb_info("select bandwidth"); |
1172 | ret = af9005_fe_select_bw(state->d, fep->u.ofdm.bandwidth); | |
1173 | if (ret) | |
1174 | return ret; | |
1175 | ret = af9005_fe_program_cfoe(state->d, fep->u.ofdm.bandwidth); | |
1176 | if (ret) | |
1177 | return ret; | |
1178 | ||
1179 | /* clear easy mode flag */ | |
1180 | deb_info("clear easy mode flag\n"); | |
1181 | ret = af9005_write_ofdm_register(state->d, 0xaefd, 0); | |
1182 | if (ret) | |
1183 | return ret; | |
1184 | ||
1185 | /* set unplug threshold to original value */ | |
1186 | deb_info("set unplug threshold to original value\n"); | |
1187 | ret = | |
1188 | af9005_write_ofdm_register(state->d, xd_p_reg_unplug_th, | |
1189 | state->original_if_unplug_th); | |
1190 | if (ret) | |
1191 | return ret; | |
1192 | /* set tuner */ | |
1193 | deb_info("set tuner\n"); | |
639ffd2d | 1194 | ret = fe->ops.tuner_ops.set_params(fe, fep); |
af4e067e LO |
1195 | if (ret) |
1196 | return ret; | |
1197 | ||
1198 | /* trigger ofsm */ | |
1199 | deb_info("trigger ofsm\n"); | |
1200 | temp = 0; | |
1201 | ret = af9005_write_tuner_registers(state->d, 0xffff, &temp, 1); | |
1202 | if (ret) | |
1203 | return ret; | |
1204 | ||
1205 | /* clear retrain and freeze flag */ | |
1206 | deb_info("clear retrain and freeze flag\n"); | |
1207 | ret = | |
1208 | af9005_write_register_bits(state->d, | |
1209 | xd_p_reg_api_retrain_request, | |
1210 | reg_api_retrain_request_pos, 2, 0); | |
1211 | if (ret) | |
1212 | return ret; | |
1213 | ||
1214 | /* reset pre viterbi and post viterbi registers and statistics */ | |
1215 | af9005_reset_pre_viterbi(fe); | |
1216 | af9005_reset_post_viterbi(fe); | |
1217 | state->pre_vit_error_count = 0; | |
1218 | state->pre_vit_bit_count = 0; | |
1219 | state->ber = 0; | |
1220 | state->post_vit_error_count = 0; | |
1221 | /* state->unc = 0; commented out since it should be ever increasing */ | |
1222 | state->abort_count = 0; | |
1223 | ||
1224 | state->next_status_check = jiffies; | |
1225 | state->strong = -1; | |
1226 | ||
1227 | return 0; | |
1228 | } | |
1229 | ||
1230 | static int af9005_fe_get_frontend(struct dvb_frontend *fe, | |
1231 | struct dvb_frontend_parameters *fep) | |
1232 | { | |
1233 | struct af9005_fe_state *state = fe->demodulator_priv; | |
1234 | int ret; | |
1235 | u8 temp; | |
1236 | ||
1237 | /* mode */ | |
1238 | ret = | |
1239 | af9005_read_register_bits(state->d, xd_g_reg_tpsd_const, | |
1240 | reg_tpsd_const_pos, reg_tpsd_const_len, | |
1241 | &temp); | |
1242 | if (ret) | |
1243 | return ret; | |
1244 | deb_info("===== fe_get_frontend ==============\n"); | |
1245 | deb_info("CONSTELLATION "); | |
1246 | switch (temp) { | |
1247 | case 0: | |
1248 | fep->u.ofdm.constellation = QPSK; | |
1249 | deb_info("QPSK\n"); | |
1250 | break; | |
1251 | case 1: | |
1252 | fep->u.ofdm.constellation = QAM_16; | |
1253 | deb_info("QAM_16\n"); | |
1254 | break; | |
1255 | case 2: | |
1256 | fep->u.ofdm.constellation = QAM_64; | |
1257 | deb_info("QAM_64\n"); | |
1258 | break; | |
1259 | } | |
1260 | ||
1261 | /* tps hierarchy and alpha value */ | |
1262 | ret = | |
1263 | af9005_read_register_bits(state->d, xd_g_reg_tpsd_hier, | |
1264 | reg_tpsd_hier_pos, reg_tpsd_hier_len, | |
1265 | &temp); | |
1266 | if (ret) | |
1267 | return ret; | |
1268 | deb_info("HIERARCHY "); | |
1269 | switch (temp) { | |
1270 | case 0: | |
1271 | fep->u.ofdm.hierarchy_information = HIERARCHY_NONE; | |
1272 | deb_info("NONE\n"); | |
1273 | break; | |
1274 | case 1: | |
1275 | fep->u.ofdm.hierarchy_information = HIERARCHY_1; | |
1276 | deb_info("1\n"); | |
1277 | break; | |
1278 | case 2: | |
1279 | fep->u.ofdm.hierarchy_information = HIERARCHY_2; | |
1280 | deb_info("2\n"); | |
1281 | break; | |
1282 | case 3: | |
1283 | fep->u.ofdm.hierarchy_information = HIERARCHY_4; | |
1284 | deb_info("4\n"); | |
1285 | break; | |
1286 | } | |
1287 | ||
1288 | /* high/low priority */ | |
1289 | ret = | |
1290 | af9005_read_register_bits(state->d, xd_g_reg_dec_pri, | |
1291 | reg_dec_pri_pos, reg_dec_pri_len, &temp); | |
1292 | if (ret) | |
1293 | return ret; | |
1294 | /* if temp is set = high priority */ | |
1295 | deb_info("PRIORITY %s\n", temp ? "high" : "low"); | |
1296 | ||
1297 | /* high coderate */ | |
1298 | ret = | |
1299 | af9005_read_register_bits(state->d, xd_g_reg_tpsd_hpcr, | |
1300 | reg_tpsd_hpcr_pos, reg_tpsd_hpcr_len, | |
1301 | &temp); | |
1302 | if (ret) | |
1303 | return ret; | |
1304 | deb_info("CODERATE HP "); | |
1305 | switch (temp) { | |
1306 | case 0: | |
1307 | fep->u.ofdm.code_rate_HP = FEC_1_2; | |
1308 | deb_info("FEC_1_2\n"); | |
1309 | break; | |
1310 | case 1: | |
1311 | fep->u.ofdm.code_rate_HP = FEC_2_3; | |
1312 | deb_info("FEC_2_3\n"); | |
1313 | break; | |
1314 | case 2: | |
1315 | fep->u.ofdm.code_rate_HP = FEC_3_4; | |
1316 | deb_info("FEC_3_4\n"); | |
1317 | break; | |
1318 | case 3: | |
1319 | fep->u.ofdm.code_rate_HP = FEC_5_6; | |
1320 | deb_info("FEC_5_6\n"); | |
1321 | break; | |
1322 | case 4: | |
1323 | fep->u.ofdm.code_rate_HP = FEC_7_8; | |
1324 | deb_info("FEC_7_8\n"); | |
1325 | break; | |
1326 | } | |
1327 | ||
1328 | /* low coderate */ | |
1329 | ret = | |
1330 | af9005_read_register_bits(state->d, xd_g_reg_tpsd_lpcr, | |
1331 | reg_tpsd_lpcr_pos, reg_tpsd_lpcr_len, | |
1332 | &temp); | |
1333 | if (ret) | |
1334 | return ret; | |
1335 | deb_info("CODERATE LP "); | |
1336 | switch (temp) { | |
1337 | case 0: | |
1338 | fep->u.ofdm.code_rate_LP = FEC_1_2; | |
1339 | deb_info("FEC_1_2\n"); | |
1340 | break; | |
1341 | case 1: | |
1342 | fep->u.ofdm.code_rate_LP = FEC_2_3; | |
1343 | deb_info("FEC_2_3\n"); | |
1344 | break; | |
1345 | case 2: | |
1346 | fep->u.ofdm.code_rate_LP = FEC_3_4; | |
1347 | deb_info("FEC_3_4\n"); | |
1348 | break; | |
1349 | case 3: | |
1350 | fep->u.ofdm.code_rate_LP = FEC_5_6; | |
1351 | deb_info("FEC_5_6\n"); | |
1352 | break; | |
1353 | case 4: | |
1354 | fep->u.ofdm.code_rate_LP = FEC_7_8; | |
1355 | deb_info("FEC_7_8\n"); | |
1356 | break; | |
1357 | } | |
1358 | ||
1359 | /* guard interval */ | |
1360 | ret = | |
1361 | af9005_read_register_bits(state->d, xd_g_reg_tpsd_gi, | |
1362 | reg_tpsd_gi_pos, reg_tpsd_gi_len, &temp); | |
1363 | if (ret) | |
1364 | return ret; | |
1365 | deb_info("GUARD INTERVAL "); | |
1366 | switch (temp) { | |
1367 | case 0: | |
1368 | fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_32; | |
1369 | deb_info("1_32\n"); | |
1370 | break; | |
1371 | case 1: | |
1372 | fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_16; | |
1373 | deb_info("1_16\n"); | |
1374 | break; | |
1375 | case 2: | |
1376 | fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_8; | |
1377 | deb_info("1_8\n"); | |
1378 | break; | |
1379 | case 3: | |
1380 | fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_4; | |
1381 | deb_info("1_4\n"); | |
1382 | break; | |
1383 | } | |
1384 | ||
1385 | /* fft */ | |
1386 | ret = | |
1387 | af9005_read_register_bits(state->d, xd_g_reg_tpsd_txmod, | |
1388 | reg_tpsd_txmod_pos, reg_tpsd_txmod_len, | |
1389 | &temp); | |
1390 | if (ret) | |
1391 | return ret; | |
1392 | deb_info("TRANSMISSION MODE "); | |
1393 | switch (temp) { | |
1394 | case 0: | |
1395 | fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K; | |
1396 | deb_info("2K\n"); | |
1397 | break; | |
1398 | case 1: | |
1399 | fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_8K; | |
1400 | deb_info("8K\n"); | |
1401 | break; | |
1402 | } | |
1403 | ||
1404 | /* bandwidth */ | |
1405 | ret = | |
1406 | af9005_read_register_bits(state->d, xd_g_reg_bw, reg_bw_pos, | |
1407 | reg_bw_len, &temp); | |
1408 | deb_info("BANDWIDTH "); | |
1409 | switch (temp) { | |
1410 | case 0: | |
1411 | fep->u.ofdm.bandwidth = BANDWIDTH_6_MHZ; | |
1412 | deb_info("6\n"); | |
1413 | break; | |
1414 | case 1: | |
1415 | fep->u.ofdm.bandwidth = BANDWIDTH_7_MHZ; | |
1416 | deb_info("7\n"); | |
1417 | break; | |
1418 | case 2: | |
1419 | fep->u.ofdm.bandwidth = BANDWIDTH_8_MHZ; | |
1420 | deb_info("8\n"); | |
1421 | break; | |
1422 | } | |
1423 | return 0; | |
1424 | } | |
1425 | ||
1426 | static void af9005_fe_release(struct dvb_frontend *fe) | |
1427 | { | |
1428 | struct af9005_fe_state *state = | |
1429 | (struct af9005_fe_state *)fe->demodulator_priv; | |
af4e067e LO |
1430 | kfree(state); |
1431 | } | |
1432 | ||
1433 | static struct dvb_frontend_ops af9005_fe_ops; | |
1434 | ||
1435 | struct dvb_frontend *af9005_fe_attach(struct dvb_usb_device *d) | |
1436 | { | |
1437 | struct af9005_fe_state *state = NULL; | |
1438 | ||
1439 | /* allocate memory for the internal state */ | |
1440 | state = kzalloc(sizeof(struct af9005_fe_state), GFP_KERNEL); | |
1441 | if (state == NULL) | |
1442 | goto error; | |
1443 | ||
1444 | deb_info("attaching frontend af9005\n"); | |
1445 | ||
1446 | state->d = d; | |
af4e067e LO |
1447 | state->opened = 0; |
1448 | ||
1449 | memcpy(&state->frontend.ops, &af9005_fe_ops, | |
1450 | sizeof(struct dvb_frontend_ops)); | |
1451 | state->frontend.demodulator_priv = state; | |
1452 | ||
1453 | return &state->frontend; | |
1454 | error: | |
1455 | return NULL; | |
1456 | } | |
1457 | ||
1458 | static struct dvb_frontend_ops af9005_fe_ops = { | |
1459 | .info = { | |
1460 | .name = "AF9005 USB DVB-T", | |
1461 | .type = FE_OFDM, | |
1462 | .frequency_min = 44250000, | |
1463 | .frequency_max = 867250000, | |
1464 | .frequency_stepsize = 250000, | |
1465 | .caps = FE_CAN_INVERSION_AUTO | | |
1466 | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | | |
1467 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | | |
1468 | FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | | |
1469 | FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | | |
1470 | FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_RECOVER | | |
1471 | FE_CAN_HIERARCHY_AUTO, | |
1472 | }, | |
1473 | ||
1474 | .release = af9005_fe_release, | |
1475 | ||
1476 | .init = af9005_fe_init, | |
1477 | .sleep = af9005_fe_sleep, | |
1478 | .ts_bus_ctrl = af9005_ts_bus_ctrl, | |
1479 | ||
1480 | .set_frontend = af9005_fe_set_frontend, | |
1481 | .get_frontend = af9005_fe_get_frontend, | |
1482 | ||
1483 | .read_status = af9005_fe_read_status, | |
1484 | .read_ber = af9005_fe_read_ber, | |
1485 | .read_signal_strength = af9005_fe_read_signal_strength, | |
1486 | .read_snr = af9005_fe_read_snr, | |
1487 | .read_ucblocks = af9005_fe_read_unc_blocks, | |
1488 | }; |