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x86, numa: Reduce minimum fake node size to 32M
[linux/fpc-iii.git] / drivers / media / dvb / frontends / stv090x.c
blob425e7a43ae19ea8d3ecb8da3eb776d71304050f6
1 /*
2 STV0900/0903 Multistandard Broadcast Frontend driver
3 Copyright (C) Manu Abraham <abraham.manu@gmail.com>
4
5 Copyright (C) ST Microelectronics
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22 #include <linux/init.h>
23 #include <linux/kernel.h>
24 #include <linux/module.h>
25 #include <linux/string.h>
26 #include <linux/slab.h>
27 #include <linux/mutex.h>
28
29 #include <linux/dvb/frontend.h>
30 #include "dvb_frontend.h"
31
32 #include "stv6110x.h" /* for demodulator internal modes */
33
34 #include "stv090x_reg.h"
35 #include "stv090x.h"
36 #include "stv090x_priv.h"
37
38 static unsigned int verbose;
39 module_param(verbose, int, 0644);
40
41 /* internal params node */
42 struct stv090x_dev {
43 /* pointer for internal params, one for each pair of demods */
44 struct stv090x_internal *internal;
45 struct stv090x_dev *next_dev;
46 };
47
48 /* first internal params */
49 static struct stv090x_dev *stv090x_first_dev;
50
51 /* find chip by i2c adapter and i2c address */
52 static struct stv090x_dev *find_dev(struct i2c_adapter *i2c_adap,
53 u8 i2c_addr)
54 {
55 struct stv090x_dev *temp_dev = stv090x_first_dev;
56
57 /*
58 Search of the last stv0900 chip or
59 find it by i2c adapter and i2c address */
60 while ((temp_dev != NULL) &&
61 ((temp_dev->internal->i2c_adap != i2c_adap) ||
62 (temp_dev->internal->i2c_addr != i2c_addr))) {
63
64 temp_dev = temp_dev->next_dev;
65 }
66
67 return temp_dev;
68 }
69
70 /* deallocating chip */
71 static void remove_dev(struct stv090x_internal *internal)
72 {
73 struct stv090x_dev *prev_dev = stv090x_first_dev;
74 struct stv090x_dev *del_dev = find_dev(internal->i2c_adap,
75 internal->i2c_addr);
76
77 if (del_dev != NULL) {
78 if (del_dev == stv090x_first_dev) {
79 stv090x_first_dev = del_dev->next_dev;
80 } else {
81 while (prev_dev->next_dev != del_dev)
82 prev_dev = prev_dev->next_dev;
83
84 prev_dev->next_dev = del_dev->next_dev;
85 }
86
87 kfree(del_dev);
88 }
89 }
90
91 /* allocating new chip */
92 static struct stv090x_dev *append_internal(struct stv090x_internal *internal)
93 {
94 struct stv090x_dev *new_dev;
95 struct stv090x_dev *temp_dev;
96
97 new_dev = kmalloc(sizeof(struct stv090x_dev), GFP_KERNEL);
98 if (new_dev != NULL) {
99 new_dev->internal = internal;
100 new_dev->next_dev = NULL;
101
102 /* append to list */
103 if (stv090x_first_dev == NULL) {
104 stv090x_first_dev = new_dev;
105 } else {
106 temp_dev = stv090x_first_dev;
107 while (temp_dev->next_dev != NULL)
108 temp_dev = temp_dev->next_dev;
109
110 temp_dev->next_dev = new_dev;
111 }
112 }
113
114 return new_dev;
115 }
116
117
118 /* DVBS1 and DSS C/N Lookup table */
119 static const struct stv090x_tab stv090x_s1cn_tab[] = {
120 { 0, 8917 }, /* 0.0dB */
121 { 5, 8801 }, /* 0.5dB */
122 { 10, 8667 }, /* 1.0dB */
123 { 15, 8522 }, /* 1.5dB */
124 { 20, 8355 }, /* 2.0dB */
125 { 25, 8175 }, /* 2.5dB */
126 { 30, 7979 }, /* 3.0dB */
127 { 35, 7763 }, /* 3.5dB */
128 { 40, 7530 }, /* 4.0dB */
129 { 45, 7282 }, /* 4.5dB */
130 { 50, 7026 }, /* 5.0dB */
131 { 55, 6781 }, /* 5.5dB */
132 { 60, 6514 }, /* 6.0dB */
133 { 65, 6241 }, /* 6.5dB */
134 { 70, 5965 }, /* 7.0dB */
135 { 75, 5690 }, /* 7.5dB */
136 { 80, 5424 }, /* 8.0dB */
137 { 85, 5161 }, /* 8.5dB */
138 { 90, 4902 }, /* 9.0dB */
139 { 95, 4654 }, /* 9.5dB */
140 { 100, 4417 }, /* 10.0dB */
141 { 105, 4186 }, /* 10.5dB */
142 { 110, 3968 }, /* 11.0dB */
143 { 115, 3757 }, /* 11.5dB */
144 { 120, 3558 }, /* 12.0dB */
145 { 125, 3366 }, /* 12.5dB */
146 { 130, 3185 }, /* 13.0dB */
147 { 135, 3012 }, /* 13.5dB */
148 { 140, 2850 }, /* 14.0dB */
149 { 145, 2698 }, /* 14.5dB */
150 { 150, 2550 }, /* 15.0dB */
151 { 160, 2283 }, /* 16.0dB */
152 { 170, 2042 }, /* 17.0dB */
153 { 180, 1827 }, /* 18.0dB */
154 { 190, 1636 }, /* 19.0dB */
155 { 200, 1466 }, /* 20.0dB */
156 { 210, 1315 }, /* 21.0dB */
157 { 220, 1181 }, /* 22.0dB */
158 { 230, 1064 }, /* 23.0dB */
159 { 240, 960 }, /* 24.0dB */
160 { 250, 869 }, /* 25.0dB */
161 { 260, 792 }, /* 26.0dB */
162 { 270, 724 }, /* 27.0dB */
163 { 280, 665 }, /* 28.0dB */
164 { 290, 616 }, /* 29.0dB */
165 { 300, 573 }, /* 30.0dB */
166 { 310, 537 }, /* 31.0dB */
167 { 320, 507 }, /* 32.0dB */
168 { 330, 483 }, /* 33.0dB */
169 { 400, 398 }, /* 40.0dB */
170 { 450, 381 }, /* 45.0dB */
171 { 500, 377 } /* 50.0dB */
172 };
173
174 /* DVBS2 C/N Lookup table */
175 static const struct stv090x_tab stv090x_s2cn_tab[] = {
176 { -30, 13348 }, /* -3.0dB */
177 { -20, 12640 }, /* -2d.0B */
178 { -10, 11883 }, /* -1.0dB */
179 { 0, 11101 }, /* -0.0dB */
180 { 5, 10718 }, /* 0.5dB */
181 { 10, 10339 }, /* 1.0dB */
182 { 15, 9947 }, /* 1.5dB */
183 { 20, 9552 }, /* 2.0dB */
184 { 25, 9183 }, /* 2.5dB */
185 { 30, 8799 }, /* 3.0dB */
186 { 35, 8422 }, /* 3.5dB */
187 { 40, 8062 }, /* 4.0dB */
188 { 45, 7707 }, /* 4.5dB */
189 { 50, 7353 }, /* 5.0dB */
190 { 55, 7025 }, /* 5.5dB */
191 { 60, 6684 }, /* 6.0dB */
192 { 65, 6331 }, /* 6.5dB */
193 { 70, 6036 }, /* 7.0dB */
194 { 75, 5727 }, /* 7.5dB */
195 { 80, 5437 }, /* 8.0dB */
196 { 85, 5164 }, /* 8.5dB */
197 { 90, 4902 }, /* 9.0dB */
198 { 95, 4653 }, /* 9.5dB */
199 { 100, 4408 }, /* 10.0dB */
200 { 105, 4187 }, /* 10.5dB */
201 { 110, 3961 }, /* 11.0dB */
202 { 115, 3751 }, /* 11.5dB */
203 { 120, 3558 }, /* 12.0dB */
204 { 125, 3368 }, /* 12.5dB */
205 { 130, 3191 }, /* 13.0dB */
206 { 135, 3017 }, /* 13.5dB */
207 { 140, 2862 }, /* 14.0dB */
208 { 145, 2710 }, /* 14.5dB */
209 { 150, 2565 }, /* 15.0dB */
210 { 160, 2300 }, /* 16.0dB */
211 { 170, 2058 }, /* 17.0dB */
212 { 180, 1849 }, /* 18.0dB */
213 { 190, 1663 }, /* 19.0dB */
214 { 200, 1495 }, /* 20.0dB */
215 { 210, 1349 }, /* 21.0dB */
216 { 220, 1222 }, /* 22.0dB */
217 { 230, 1110 }, /* 23.0dB */
218 { 240, 1011 }, /* 24.0dB */
219 { 250, 925 }, /* 25.0dB */
220 { 260, 853 }, /* 26.0dB */
221 { 270, 789 }, /* 27.0dB */
222 { 280, 734 }, /* 28.0dB */
223 { 290, 690 }, /* 29.0dB */
224 { 300, 650 }, /* 30.0dB */
225 { 310, 619 }, /* 31.0dB */
226 { 320, 593 }, /* 32.0dB */
227 { 330, 571 }, /* 33.0dB */
228 { 400, 498 }, /* 40.0dB */
229 { 450, 484 }, /* 45.0dB */
230 { 500, 481 } /* 50.0dB */
231 };
232
233 /* RF level C/N lookup table */
234 static const struct stv090x_tab stv090x_rf_tab[] = {
235 { -5, 0xcaa1 }, /* -5dBm */
236 { -10, 0xc229 }, /* -10dBm */
237 { -15, 0xbb08 }, /* -15dBm */
238 { -20, 0xb4bc }, /* -20dBm */
239 { -25, 0xad5a }, /* -25dBm */
240 { -30, 0xa298 }, /* -30dBm */
241 { -35, 0x98a8 }, /* -35dBm */
242 { -40, 0x8389 }, /* -40dBm */
243 { -45, 0x59be }, /* -45dBm */
244 { -50, 0x3a14 }, /* -50dBm */
245 { -55, 0x2d11 }, /* -55dBm */
246 { -60, 0x210d }, /* -60dBm */
247 { -65, 0xa14f }, /* -65dBm */
248 { -70, 0x07aa } /* -70dBm */
249 };
250
251
252 static struct stv090x_reg stv0900_initval[] = {
253
254 { STV090x_OUTCFG, 0x00 },
255 { STV090x_MODECFG, 0xff },
256 { STV090x_AGCRF1CFG, 0x11 },
257 { STV090x_AGCRF2CFG, 0x13 },
258 { STV090x_TSGENERAL1X, 0x14 },
259 { STV090x_TSTTNR2, 0x21 },
260 { STV090x_TSTTNR4, 0x21 },
261 { STV090x_P2_DISTXCTL, 0x22 },
262 { STV090x_P2_F22TX, 0xc0 },
263 { STV090x_P2_F22RX, 0xc0 },
264 { STV090x_P2_DISRXCTL, 0x00 },
265 { STV090x_P2_DMDCFGMD, 0xF9 },
266 { STV090x_P2_DEMOD, 0x08 },
267 { STV090x_P2_DMDCFG3, 0xc4 },
268 { STV090x_P2_CARFREQ, 0xed },
269 { STV090x_P2_LDT, 0xd0 },
270 { STV090x_P2_LDT2, 0xb8 },
271 { STV090x_P2_TMGCFG, 0xd2 },
272 { STV090x_P2_TMGTHRISE, 0x20 },
273 { STV090x_P1_TMGCFG, 0xd2 },
274
275 { STV090x_P2_TMGTHFALL, 0x00 },
276 { STV090x_P2_FECSPY, 0x88 },
277 { STV090x_P2_FSPYDATA, 0x3a },
278 { STV090x_P2_FBERCPT4, 0x00 },
279 { STV090x_P2_FSPYBER, 0x10 },
280 { STV090x_P2_ERRCTRL1, 0x35 },
281 { STV090x_P2_ERRCTRL2, 0xc1 },
282 { STV090x_P2_CFRICFG, 0xf8 },
283 { STV090x_P2_NOSCFG, 0x1c },
284 { STV090x_P2_DMDTOM, 0x20 },
285 { STV090x_P2_CORRELMANT, 0x70 },
286 { STV090x_P2_CORRELABS, 0x88 },
287 { STV090x_P2_AGC2O, 0x5b },
288 { STV090x_P2_AGC2REF, 0x38 },
289 { STV090x_P2_CARCFG, 0xe4 },
290 { STV090x_P2_ACLC, 0x1A },
291 { STV090x_P2_BCLC, 0x09 },
292 { STV090x_P2_CARHDR, 0x08 },
293 { STV090x_P2_KREFTMG, 0xc1 },
294 { STV090x_P2_SFRUPRATIO, 0xf0 },
295 { STV090x_P2_SFRLOWRATIO, 0x70 },
296 { STV090x_P2_SFRSTEP, 0x58 },
297 { STV090x_P2_TMGCFG2, 0x01 },
298 { STV090x_P2_CAR2CFG, 0x26 },
299 { STV090x_P2_BCLC2S2Q, 0x86 },
300 { STV090x_P2_BCLC2S28, 0x86 },
301 { STV090x_P2_SMAPCOEF7, 0x77 },
302 { STV090x_P2_SMAPCOEF6, 0x85 },
303 { STV090x_P2_SMAPCOEF5, 0x77 },
304 { STV090x_P2_TSCFGL, 0x20 },
305 { STV090x_P2_DMDCFG2, 0x3b },
306 { STV090x_P2_MODCODLST0, 0xff },
307 { STV090x_P2_MODCODLST1, 0xff },
308 { STV090x_P2_MODCODLST2, 0xff },
309 { STV090x_P2_MODCODLST3, 0xff },
310 { STV090x_P2_MODCODLST4, 0xff },
311 { STV090x_P2_MODCODLST5, 0xff },
312 { STV090x_P2_MODCODLST6, 0xff },
313 { STV090x_P2_MODCODLST7, 0xcc },
314 { STV090x_P2_MODCODLST8, 0xcc },
315 { STV090x_P2_MODCODLST9, 0xcc },
316 { STV090x_P2_MODCODLSTA, 0xcc },
317 { STV090x_P2_MODCODLSTB, 0xcc },
318 { STV090x_P2_MODCODLSTC, 0xcc },
319 { STV090x_P2_MODCODLSTD, 0xcc },
320 { STV090x_P2_MODCODLSTE, 0xcc },
321 { STV090x_P2_MODCODLSTF, 0xcf },
322 { STV090x_P1_DISTXCTL, 0x22 },
323 { STV090x_P1_F22TX, 0xc0 },
324 { STV090x_P1_F22RX, 0xc0 },
325 { STV090x_P1_DISRXCTL, 0x00 },
326 { STV090x_P1_DMDCFGMD, 0xf9 },
327 { STV090x_P1_DEMOD, 0x08 },
328 { STV090x_P1_DMDCFG3, 0xc4 },
329 { STV090x_P1_DMDTOM, 0x20 },
330 { STV090x_P1_CARFREQ, 0xed },
331 { STV090x_P1_LDT, 0xd0 },
332 { STV090x_P1_LDT2, 0xb8 },
333 { STV090x_P1_TMGCFG, 0xd2 },
334 { STV090x_P1_TMGTHRISE, 0x20 },
335 { STV090x_P1_TMGTHFALL, 0x00 },
336 { STV090x_P1_SFRUPRATIO, 0xf0 },
337 { STV090x_P1_SFRLOWRATIO, 0x70 },
338 { STV090x_P1_TSCFGL, 0x20 },
339 { STV090x_P1_FECSPY, 0x88 },
340 { STV090x_P1_FSPYDATA, 0x3a },
341 { STV090x_P1_FBERCPT4, 0x00 },
342 { STV090x_P1_FSPYBER, 0x10 },
343 { STV090x_P1_ERRCTRL1, 0x35 },
344 { STV090x_P1_ERRCTRL2, 0xc1 },
345 { STV090x_P1_CFRICFG, 0xf8 },
346 { STV090x_P1_NOSCFG, 0x1c },
347 { STV090x_P1_CORRELMANT, 0x70 },
348 { STV090x_P1_CORRELABS, 0x88 },
349 { STV090x_P1_AGC2O, 0x5b },
350 { STV090x_P1_AGC2REF, 0x38 },
351 { STV090x_P1_CARCFG, 0xe4 },
352 { STV090x_P1_ACLC, 0x1A },
353 { STV090x_P1_BCLC, 0x09 },
354 { STV090x_P1_CARHDR, 0x08 },
355 { STV090x_P1_KREFTMG, 0xc1 },
356 { STV090x_P1_SFRSTEP, 0x58 },
357 { STV090x_P1_TMGCFG2, 0x01 },
358 { STV090x_P1_CAR2CFG, 0x26 },
359 { STV090x_P1_BCLC2S2Q, 0x86 },
360 { STV090x_P1_BCLC2S28, 0x86 },
361 { STV090x_P1_SMAPCOEF7, 0x77 },
362 { STV090x_P1_SMAPCOEF6, 0x85 },
363 { STV090x_P1_SMAPCOEF5, 0x77 },
364 { STV090x_P1_DMDCFG2, 0x3b },
365 { STV090x_P1_MODCODLST0, 0xff },
366 { STV090x_P1_MODCODLST1, 0xff },
367 { STV090x_P1_MODCODLST2, 0xff },
368 { STV090x_P1_MODCODLST3, 0xff },
369 { STV090x_P1_MODCODLST4, 0xff },
370 { STV090x_P1_MODCODLST5, 0xff },
371 { STV090x_P1_MODCODLST6, 0xff },
372 { STV090x_P1_MODCODLST7, 0xcc },
373 { STV090x_P1_MODCODLST8, 0xcc },
374 { STV090x_P1_MODCODLST9, 0xcc },
375 { STV090x_P1_MODCODLSTA, 0xcc },
376 { STV090x_P1_MODCODLSTB, 0xcc },
377 { STV090x_P1_MODCODLSTC, 0xcc },
378 { STV090x_P1_MODCODLSTD, 0xcc },
379 { STV090x_P1_MODCODLSTE, 0xcc },
380 { STV090x_P1_MODCODLSTF, 0xcf },
381 { STV090x_GENCFG, 0x1d },
382 { STV090x_NBITER_NF4, 0x37 },
383 { STV090x_NBITER_NF5, 0x29 },
384 { STV090x_NBITER_NF6, 0x37 },
385 { STV090x_NBITER_NF7, 0x33 },
386 { STV090x_NBITER_NF8, 0x31 },
387 { STV090x_NBITER_NF9, 0x2f },
388 { STV090x_NBITER_NF10, 0x39 },
389 { STV090x_NBITER_NF11, 0x3a },
390 { STV090x_NBITER_NF12, 0x29 },
391 { STV090x_NBITER_NF13, 0x37 },
392 { STV090x_NBITER_NF14, 0x33 },
393 { STV090x_NBITER_NF15, 0x2f },
394 { STV090x_NBITER_NF16, 0x39 },
395 { STV090x_NBITER_NF17, 0x3a },
396 { STV090x_NBITERNOERR, 0x04 },
397 { STV090x_GAINLLR_NF4, 0x0C },
398 { STV090x_GAINLLR_NF5, 0x0F },
399 { STV090x_GAINLLR_NF6, 0x11 },
400 { STV090x_GAINLLR_NF7, 0x14 },
401 { STV090x_GAINLLR_NF8, 0x17 },
402 { STV090x_GAINLLR_NF9, 0x19 },
403 { STV090x_GAINLLR_NF10, 0x20 },
404 { STV090x_GAINLLR_NF11, 0x21 },
405 { STV090x_GAINLLR_NF12, 0x0D },
406 { STV090x_GAINLLR_NF13, 0x0F },
407 { STV090x_GAINLLR_NF14, 0x13 },
408 { STV090x_GAINLLR_NF15, 0x1A },
409 { STV090x_GAINLLR_NF16, 0x1F },
410 { STV090x_GAINLLR_NF17, 0x21 },
411 { STV090x_RCCFGH, 0x20 },
412 { STV090x_P1_FECM, 0x01 }, /* disable DSS modes */
413 { STV090x_P2_FECM, 0x01 }, /* disable DSS modes */
414 { STV090x_P1_PRVIT, 0x2F }, /* disable PR 6/7 */
415 { STV090x_P2_PRVIT, 0x2F }, /* disable PR 6/7 */
416 };
417
418 static struct stv090x_reg stv0903_initval[] = {
419 { STV090x_OUTCFG, 0x00 },
420 { STV090x_AGCRF1CFG, 0x11 },
421 { STV090x_STOPCLK1, 0x48 },
422 { STV090x_STOPCLK2, 0x14 },
423 { STV090x_TSTTNR1, 0x27 },
424 { STV090x_TSTTNR2, 0x21 },
425 { STV090x_P1_DISTXCTL, 0x22 },
426 { STV090x_P1_F22TX, 0xc0 },
427 { STV090x_P1_F22RX, 0xc0 },
428 { STV090x_P1_DISRXCTL, 0x00 },
429 { STV090x_P1_DMDCFGMD, 0xF9 },
430 { STV090x_P1_DEMOD, 0x08 },
431 { STV090x_P1_DMDCFG3, 0xc4 },
432 { STV090x_P1_CARFREQ, 0xed },
433 { STV090x_P1_TNRCFG2, 0x82 },
434 { STV090x_P1_LDT, 0xd0 },
435 { STV090x_P1_LDT2, 0xb8 },
436 { STV090x_P1_TMGCFG, 0xd2 },
437 { STV090x_P1_TMGTHRISE, 0x20 },
438 { STV090x_P1_TMGTHFALL, 0x00 },
439 { STV090x_P1_SFRUPRATIO, 0xf0 },
440 { STV090x_P1_SFRLOWRATIO, 0x70 },
441 { STV090x_P1_TSCFGL, 0x20 },
442 { STV090x_P1_FECSPY, 0x88 },
443 { STV090x_P1_FSPYDATA, 0x3a },
444 { STV090x_P1_FBERCPT4, 0x00 },
445 { STV090x_P1_FSPYBER, 0x10 },
446 { STV090x_P1_ERRCTRL1, 0x35 },
447 { STV090x_P1_ERRCTRL2, 0xc1 },
448 { STV090x_P1_CFRICFG, 0xf8 },
449 { STV090x_P1_NOSCFG, 0x1c },
450 { STV090x_P1_DMDTOM, 0x20 },
451 { STV090x_P1_CORRELMANT, 0x70 },
452 { STV090x_P1_CORRELABS, 0x88 },
453 { STV090x_P1_AGC2O, 0x5b },
454 { STV090x_P1_AGC2REF, 0x38 },
455 { STV090x_P1_CARCFG, 0xe4 },
456 { STV090x_P1_ACLC, 0x1A },
457 { STV090x_P1_BCLC, 0x09 },
458 { STV090x_P1_CARHDR, 0x08 },
459 { STV090x_P1_KREFTMG, 0xc1 },
460 { STV090x_P1_SFRSTEP, 0x58 },
461 { STV090x_P1_TMGCFG2, 0x01 },
462 { STV090x_P1_CAR2CFG, 0x26 },
463 { STV090x_P1_BCLC2S2Q, 0x86 },
464 { STV090x_P1_BCLC2S28, 0x86 },
465 { STV090x_P1_SMAPCOEF7, 0x77 },
466 { STV090x_P1_SMAPCOEF6, 0x85 },
467 { STV090x_P1_SMAPCOEF5, 0x77 },
468 { STV090x_P1_DMDCFG2, 0x3b },
469 { STV090x_P1_MODCODLST0, 0xff },
470 { STV090x_P1_MODCODLST1, 0xff },
471 { STV090x_P1_MODCODLST2, 0xff },
472 { STV090x_P1_MODCODLST3, 0xff },
473 { STV090x_P1_MODCODLST4, 0xff },
474 { STV090x_P1_MODCODLST5, 0xff },
475 { STV090x_P1_MODCODLST6, 0xff },
476 { STV090x_P1_MODCODLST7, 0xcc },
477 { STV090x_P1_MODCODLST8, 0xcc },
478 { STV090x_P1_MODCODLST9, 0xcc },
479 { STV090x_P1_MODCODLSTA, 0xcc },
480 { STV090x_P1_MODCODLSTB, 0xcc },
481 { STV090x_P1_MODCODLSTC, 0xcc },
482 { STV090x_P1_MODCODLSTD, 0xcc },
483 { STV090x_P1_MODCODLSTE, 0xcc },
484 { STV090x_P1_MODCODLSTF, 0xcf },
485 { STV090x_GENCFG, 0x1c },
486 { STV090x_NBITER_NF4, 0x37 },
487 { STV090x_NBITER_NF5, 0x29 },
488 { STV090x_NBITER_NF6, 0x37 },
489 { STV090x_NBITER_NF7, 0x33 },
490 { STV090x_NBITER_NF8, 0x31 },
491 { STV090x_NBITER_NF9, 0x2f },
492 { STV090x_NBITER_NF10, 0x39 },
493 { STV090x_NBITER_NF11, 0x3a },
494 { STV090x_NBITER_NF12, 0x29 },
495 { STV090x_NBITER_NF13, 0x37 },
496 { STV090x_NBITER_NF14, 0x33 },
497 { STV090x_NBITER_NF15, 0x2f },
498 { STV090x_NBITER_NF16, 0x39 },
499 { STV090x_NBITER_NF17, 0x3a },
500 { STV090x_NBITERNOERR, 0x04 },
501 { STV090x_GAINLLR_NF4, 0x0C },
502 { STV090x_GAINLLR_NF5, 0x0F },
503 { STV090x_GAINLLR_NF6, 0x11 },
504 { STV090x_GAINLLR_NF7, 0x14 },
505 { STV090x_GAINLLR_NF8, 0x17 },
506 { STV090x_GAINLLR_NF9, 0x19 },
507 { STV090x_GAINLLR_NF10, 0x20 },
508 { STV090x_GAINLLR_NF11, 0x21 },
509 { STV090x_GAINLLR_NF12, 0x0D },
510 { STV090x_GAINLLR_NF13, 0x0F },
511 { STV090x_GAINLLR_NF14, 0x13 },
512 { STV090x_GAINLLR_NF15, 0x1A },
513 { STV090x_GAINLLR_NF16, 0x1F },
514 { STV090x_GAINLLR_NF17, 0x21 },
515 { STV090x_RCCFGH, 0x20 },
516 { STV090x_P1_FECM, 0x01 }, /*disable the DSS mode */
517 { STV090x_P1_PRVIT, 0x2f } /*disable puncture rate 6/7*/
518 };
519
520 static struct stv090x_reg stv0900_cut20_val[] = {
521
522 { STV090x_P2_DMDCFG3, 0xe8 },
523 { STV090x_P2_DMDCFG4, 0x10 },
524 { STV090x_P2_CARFREQ, 0x38 },
525 { STV090x_P2_CARHDR, 0x20 },
526 { STV090x_P2_KREFTMG, 0x5a },
527 { STV090x_P2_SMAPCOEF7, 0x06 },
528 { STV090x_P2_SMAPCOEF6, 0x00 },
529 { STV090x_P2_SMAPCOEF5, 0x04 },
530 { STV090x_P2_NOSCFG, 0x0c },
531 { STV090x_P1_DMDCFG3, 0xe8 },
532 { STV090x_P1_DMDCFG4, 0x10 },
533 { STV090x_P1_CARFREQ, 0x38 },
534 { STV090x_P1_CARHDR, 0x20 },
535 { STV090x_P1_KREFTMG, 0x5a },
536 { STV090x_P1_SMAPCOEF7, 0x06 },
537 { STV090x_P1_SMAPCOEF6, 0x00 },
538 { STV090x_P1_SMAPCOEF5, 0x04 },
539 { STV090x_P1_NOSCFG, 0x0c },
540 { STV090x_GAINLLR_NF4, 0x21 },
541 { STV090x_GAINLLR_NF5, 0x21 },
542 { STV090x_GAINLLR_NF6, 0x20 },
543 { STV090x_GAINLLR_NF7, 0x1F },
544 { STV090x_GAINLLR_NF8, 0x1E },
545 { STV090x_GAINLLR_NF9, 0x1E },
546 { STV090x_GAINLLR_NF10, 0x1D },
547 { STV090x_GAINLLR_NF11, 0x1B },
548 { STV090x_GAINLLR_NF12, 0x20 },
549 { STV090x_GAINLLR_NF13, 0x20 },
550 { STV090x_GAINLLR_NF14, 0x20 },
551 { STV090x_GAINLLR_NF15, 0x20 },
552 { STV090x_GAINLLR_NF16, 0x20 },
553 { STV090x_GAINLLR_NF17, 0x21 },
554 };
555
556 static struct stv090x_reg stv0903_cut20_val[] = {
557 { STV090x_P1_DMDCFG3, 0xe8 },
558 { STV090x_P1_DMDCFG4, 0x10 },
559 { STV090x_P1_CARFREQ, 0x38 },
560 { STV090x_P1_CARHDR, 0x20 },
561 { STV090x_P1_KREFTMG, 0x5a },
562 { STV090x_P1_SMAPCOEF7, 0x06 },
563 { STV090x_P1_SMAPCOEF6, 0x00 },
564 { STV090x_P1_SMAPCOEF5, 0x04 },
565 { STV090x_P1_NOSCFG, 0x0c },
566 { STV090x_GAINLLR_NF4, 0x21 },
567 { STV090x_GAINLLR_NF5, 0x21 },
568 { STV090x_GAINLLR_NF6, 0x20 },
569 { STV090x_GAINLLR_NF7, 0x1F },
570 { STV090x_GAINLLR_NF8, 0x1E },
571 { STV090x_GAINLLR_NF9, 0x1E },
572 { STV090x_GAINLLR_NF10, 0x1D },
573 { STV090x_GAINLLR_NF11, 0x1B },
574 { STV090x_GAINLLR_NF12, 0x20 },
575 { STV090x_GAINLLR_NF13, 0x20 },
576 { STV090x_GAINLLR_NF14, 0x20 },
577 { STV090x_GAINLLR_NF15, 0x20 },
578 { STV090x_GAINLLR_NF16, 0x20 },
579 { STV090x_GAINLLR_NF17, 0x21 }
580 };
581
582 /* Cut 2.0 Long Frame Tracking CR loop */
583 static struct stv090x_long_frame_crloop stv090x_s2_crl_cut20[] = {
584 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
585 { STV090x_QPSK_12, 0x1f, 0x3f, 0x1e, 0x3f, 0x3d, 0x1f, 0x3d, 0x3e, 0x3d, 0x1e },
586 { STV090x_QPSK_35, 0x2f, 0x3f, 0x2e, 0x2f, 0x3d, 0x0f, 0x0e, 0x2e, 0x3d, 0x0e },
587 { STV090x_QPSK_23, 0x2f, 0x3f, 0x2e, 0x2f, 0x0e, 0x0f, 0x0e, 0x1e, 0x3d, 0x3d },
588 { STV090x_QPSK_34, 0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
589 { STV090x_QPSK_45, 0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
590 { STV090x_QPSK_56, 0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
591 { STV090x_QPSK_89, 0x3f, 0x3f, 0x3e, 0x1f, 0x1e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
592 { STV090x_QPSK_910, 0x3f, 0x3f, 0x3e, 0x1f, 0x1e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
593 { STV090x_8PSK_35, 0x3c, 0x3e, 0x1c, 0x2e, 0x0c, 0x1e, 0x2b, 0x2d, 0x1b, 0x1d },
594 { STV090x_8PSK_23, 0x1d, 0x3e, 0x3c, 0x2e, 0x2c, 0x1e, 0x0c, 0x2d, 0x2b, 0x1d },
595 { STV090x_8PSK_34, 0x0e, 0x3e, 0x3d, 0x2e, 0x0d, 0x1e, 0x2c, 0x2d, 0x0c, 0x1d },
596 { STV090x_8PSK_56, 0x2e, 0x3e, 0x1e, 0x2e, 0x2d, 0x1e, 0x3c, 0x2d, 0x2c, 0x1d },
597 { STV090x_8PSK_89, 0x3e, 0x3e, 0x1e, 0x2e, 0x3d, 0x1e, 0x0d, 0x2d, 0x3c, 0x1d },
598 { STV090x_8PSK_910, 0x3e, 0x3e, 0x1e, 0x2e, 0x3d, 0x1e, 0x1d, 0x2d, 0x0d, 0x1d }
599 };
600
601 /* Cut 3.0 Long Frame Tracking CR loop */
602 static struct stv090x_long_frame_crloop stv090x_s2_crl_cut30[] = {
603 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
604 { STV090x_QPSK_12, 0x3c, 0x2c, 0x0c, 0x2c, 0x1b, 0x2c, 0x1b, 0x1c, 0x0b, 0x3b },
605 { STV090x_QPSK_35, 0x0d, 0x0d, 0x0c, 0x0d, 0x1b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
606 { STV090x_QPSK_23, 0x1d, 0x0d, 0x0c, 0x1d, 0x2b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
607 { STV090x_QPSK_34, 0x1d, 0x1d, 0x0c, 0x1d, 0x2b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
608 { STV090x_QPSK_45, 0x2d, 0x1d, 0x1c, 0x1d, 0x2b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
609 { STV090x_QPSK_56, 0x2d, 0x1d, 0x1c, 0x1d, 0x2b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
610 { STV090x_QPSK_89, 0x3d, 0x2d, 0x1c, 0x1d, 0x3b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
611 { STV090x_QPSK_910, 0x3d, 0x2d, 0x1c, 0x1d, 0x3b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
612 { STV090x_8PSK_35, 0x39, 0x29, 0x39, 0x19, 0x19, 0x19, 0x19, 0x19, 0x09, 0x19 },
613 { STV090x_8PSK_23, 0x2a, 0x39, 0x1a, 0x0a, 0x39, 0x0a, 0x29, 0x39, 0x29, 0x0a },
614 { STV090x_8PSK_34, 0x2b, 0x3a, 0x1b, 0x1b, 0x3a, 0x1b, 0x1a, 0x0b, 0x1a, 0x3a },
615 { STV090x_8PSK_56, 0x0c, 0x1b, 0x3b, 0x3b, 0x1b, 0x3b, 0x3a, 0x3b, 0x3a, 0x1b },
616 { STV090x_8PSK_89, 0x0d, 0x3c, 0x2c, 0x2c, 0x2b, 0x0c, 0x0b, 0x3b, 0x0b, 0x1b },
617 { STV090x_8PSK_910, 0x0d, 0x0d, 0x2c, 0x3c, 0x3b, 0x1c, 0x0b, 0x3b, 0x0b, 0x1b }
618 };
619
620 /* Cut 2.0 Long Frame Tracking CR Loop */
621 static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut20[] = {
622 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
623 { STV090x_16APSK_23, 0x0c, 0x0c, 0x0c, 0x0c, 0x1d, 0x0c, 0x3c, 0x0c, 0x2c, 0x0c },
624 { STV090x_16APSK_34, 0x0c, 0x0c, 0x0c, 0x0c, 0x0e, 0x0c, 0x2d, 0x0c, 0x1d, 0x0c },
625 { STV090x_16APSK_45, 0x0c, 0x0c, 0x0c, 0x0c, 0x1e, 0x0c, 0x3d, 0x0c, 0x2d, 0x0c },
626 { STV090x_16APSK_56, 0x0c, 0x0c, 0x0c, 0x0c, 0x1e, 0x0c, 0x3d, 0x0c, 0x2d, 0x0c },
627 { STV090x_16APSK_89, 0x0c, 0x0c, 0x0c, 0x0c, 0x2e, 0x0c, 0x0e, 0x0c, 0x3d, 0x0c },
628 { STV090x_16APSK_910, 0x0c, 0x0c, 0x0c, 0x0c, 0x2e, 0x0c, 0x0e, 0x0c, 0x3d, 0x0c },
629 { STV090x_32APSK_34, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
630 { STV090x_32APSK_45, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
631 { STV090x_32APSK_56, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
632 { STV090x_32APSK_89, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
633 { STV090x_32APSK_910, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c }
634 };
635
636 /* Cut 3.0 Long Frame Tracking CR Loop */
637 static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut30[] = {
638 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
639 { STV090x_16APSK_23, 0x0a, 0x0a, 0x0a, 0x0a, 0x1a, 0x0a, 0x3a, 0x0a, 0x2a, 0x0a },
640 { STV090x_16APSK_34, 0x0a, 0x0a, 0x0a, 0x0a, 0x0b, 0x0a, 0x3b, 0x0a, 0x1b, 0x0a },
641 { STV090x_16APSK_45, 0x0a, 0x0a, 0x0a, 0x0a, 0x1b, 0x0a, 0x3b, 0x0a, 0x2b, 0x0a },
642 { STV090x_16APSK_56, 0x0a, 0x0a, 0x0a, 0x0a, 0x1b, 0x0a, 0x3b, 0x0a, 0x2b, 0x0a },
643 { STV090x_16APSK_89, 0x0a, 0x0a, 0x0a, 0x0a, 0x2b, 0x0a, 0x0c, 0x0a, 0x3b, 0x0a },
644 { STV090x_16APSK_910, 0x0a, 0x0a, 0x0a, 0x0a, 0x2b, 0x0a, 0x0c, 0x0a, 0x3b, 0x0a },
645 { STV090x_32APSK_34, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
646 { STV090x_32APSK_45, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
647 { STV090x_32APSK_56, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
648 { STV090x_32APSK_89, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
649 { STV090x_32APSK_910, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a }
650 };
651
652 static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut20[] = {
653 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
654 { STV090x_QPSK_14, 0x0f, 0x3f, 0x0e, 0x3f, 0x2d, 0x2f, 0x2d, 0x1f, 0x3d, 0x3e },
655 { STV090x_QPSK_13, 0x0f, 0x3f, 0x0e, 0x3f, 0x2d, 0x2f, 0x3d, 0x0f, 0x3d, 0x2e },
656 { STV090x_QPSK_25, 0x1f, 0x3f, 0x1e, 0x3f, 0x3d, 0x1f, 0x3d, 0x3e, 0x3d, 0x2e }
657 };
658
659 static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut30[] = {
660 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
661 { STV090x_QPSK_14, 0x0c, 0x3c, 0x0b, 0x3c, 0x2a, 0x2c, 0x2a, 0x1c, 0x3a, 0x3b },
662 { STV090x_QPSK_13, 0x0c, 0x3c, 0x0b, 0x3c, 0x2a, 0x2c, 0x3a, 0x0c, 0x3a, 0x2b },
663 { STV090x_QPSK_25, 0x1c, 0x3c, 0x1b, 0x3c, 0x3a, 0x1c, 0x3a, 0x3b, 0x3a, 0x2b }
664 };
665
666 /* Cut 2.0 Short Frame Tracking CR Loop */
667 static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut20[] = {
668 /* MODCOD 2M 5M 10M 20M 30M */
669 { STV090x_QPSK, 0x2f, 0x2e, 0x0e, 0x0e, 0x3d },
670 { STV090x_8PSK, 0x3e, 0x0e, 0x2d, 0x0d, 0x3c },
671 { STV090x_16APSK, 0x1e, 0x1e, 0x1e, 0x3d, 0x2d },
672 { STV090x_32APSK, 0x1e, 0x1e, 0x1e, 0x3d, 0x2d }
673 };
674
675 /* Cut 3.0 Short Frame Tracking CR Loop */
676 static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut30[] = {
677 /* MODCOD 2M 5M 10M 20M 30M */
678 { STV090x_QPSK, 0x2C, 0x2B, 0x0B, 0x0B, 0x3A },
679 { STV090x_8PSK, 0x3B, 0x0B, 0x2A, 0x0A, 0x39 },
680 { STV090x_16APSK, 0x1B, 0x1B, 0x1B, 0x3A, 0x2A },
681 { STV090x_32APSK, 0x1B, 0x1B, 0x1B, 0x3A, 0x2A }
682 };
683
684 static inline s32 comp2(s32 __x, s32 __width)
685 {
686 if (__width == 32)
687 return __x;
688 else
689 return (__x >= (1 << (__width - 1))) ? (__x - (1 << __width)) : __x;
690 }
691
692 static int stv090x_read_reg(struct stv090x_state *state, unsigned int reg)
693 {
694 const struct stv090x_config *config = state->config;
695 int ret;
696
697 u8 b0[] = { reg >> 8, reg & 0xff };
698 u8 buf;
699
700 struct i2c_msg msg[] = {
701 { .addr = config->address, .flags = 0, .buf = b0, .len = 2 },
702 { .addr = config->address, .flags = I2C_M_RD, .buf = &buf, .len = 1 }
703 };
704
705 ret = i2c_transfer(state->i2c, msg, 2);
706 if (ret != 2) {
707 if (ret != -ERESTARTSYS)
708 dprintk(FE_ERROR, 1,
709 "Read error, Reg=[0x%02x], Status=%d",
710 reg, ret);
711
712 return ret < 0 ? ret : -EREMOTEIO;
713 }
714 if (unlikely(*state->verbose >= FE_DEBUGREG))
715 dprintk(FE_ERROR, 1, "Reg=[0x%02x], data=%02x",
716 reg, buf);
717
718 return (unsigned int) buf;
719 }
720
721 static int stv090x_write_regs(struct stv090x_state *state, unsigned int reg, u8 *data, u32 count)
722 {
723 const struct stv090x_config *config = state->config;
724 int ret;
725 u8 buf[2 + count];
726 struct i2c_msg i2c_msg = { .addr = config->address, .flags = 0, .buf = buf, .len = 2 + count };
727
728 buf[0] = reg >> 8;
729 buf[1] = reg & 0xff;
730 memcpy(&buf[2], data, count);
731
732 if (unlikely(*state->verbose >= FE_DEBUGREG)) {
733 int i;
734
735 printk(KERN_DEBUG "%s [0x%04x]:", __func__, reg);
736 for (i = 0; i < count; i++)
737 printk(" %02x", data[i]);
738 printk("\n");
739 }
740
741 ret = i2c_transfer(state->i2c, &i2c_msg, 1);
742 if (ret != 1) {
743 if (ret != -ERESTARTSYS)
744 dprintk(FE_ERROR, 1, "Reg=[0x%04x], Data=[0x%02x ...], Count=%u, Status=%d",
745 reg, data[0], count, ret);
746 return ret < 0 ? ret : -EREMOTEIO;
747 }
748
749 return 0;
750 }
751
752 static int stv090x_write_reg(struct stv090x_state *state, unsigned int reg, u8 data)
753 {
754 return stv090x_write_regs(state, reg, &data, 1);
755 }
756
757 static int stv090x_i2c_gate_ctrl(struct stv090x_state *state, int enable)
758 {
759 u32 reg;
760
761 /*
762 * NOTE! A lock is used as a FSM to control the state in which
763 * access is serialized between two tuners on the same demod.
764 * This has nothing to do with a lock to protect a critical section
765 * which may in some other cases be confused with protecting I/O
766 * access to the demodulator gate.
767 * In case of any error, the lock is unlocked and exit within the
768 * relevant operations themselves.
769 */
770 if (enable)
771 mutex_lock(&state->internal->tuner_lock);
772
773 reg = STV090x_READ_DEMOD(state, I2CRPT);
774 if (enable) {
775 dprintk(FE_DEBUG, 1, "Enable Gate");
776 STV090x_SETFIELD_Px(reg, I2CT_ON_FIELD, 1);
777 if (STV090x_WRITE_DEMOD(state, I2CRPT, reg) < 0)
778 goto err;
779
780 } else {
781 dprintk(FE_DEBUG, 1, "Disable Gate");
782 STV090x_SETFIELD_Px(reg, I2CT_ON_FIELD, 0);
783 if ((STV090x_WRITE_DEMOD(state, I2CRPT, reg)) < 0)
784 goto err;
785 }
786
787 if (!enable)
788 mutex_unlock(&state->internal->tuner_lock);
789
790 return 0;
791 err:
792 dprintk(FE_ERROR, 1, "I/O error");
793 mutex_unlock(&state->internal->tuner_lock);
794 return -1;
795 }
796
797 static void stv090x_get_lock_tmg(struct stv090x_state *state)
798 {
799 switch (state->algo) {
800 case STV090x_BLIND_SEARCH:
801 dprintk(FE_DEBUG, 1, "Blind Search");
802 if (state->srate <= 1500000) { /*10Msps< SR <=15Msps*/
803 state->DemodTimeout = 1500;
804 state->FecTimeout = 400;
805 } else if (state->srate <= 5000000) { /*10Msps< SR <=15Msps*/
806 state->DemodTimeout = 1000;
807 state->FecTimeout = 300;
808 } else { /*SR >20Msps*/
809 state->DemodTimeout = 700;
810 state->FecTimeout = 100;
811 }
812 break;
813
814 case STV090x_COLD_SEARCH:
815 case STV090x_WARM_SEARCH:
816 default:
817 dprintk(FE_DEBUG, 1, "Normal Search");
818 if (state->srate <= 1000000) { /*SR <=1Msps*/
819 state->DemodTimeout = 4500;
820 state->FecTimeout = 1700;
821 } else if (state->srate <= 2000000) { /*1Msps < SR <= 2Msps */
822 state->DemodTimeout = 2500;
823 state->FecTimeout = 1100;
824 } else if (state->srate <= 5000000) { /*2Msps < SR <= 5Msps */
825 state->DemodTimeout = 1000;
826 state->FecTimeout = 550;
827 } else if (state->srate <= 10000000) { /*5Msps < SR <= 10Msps */
828 state->DemodTimeout = 700;
829 state->FecTimeout = 250;
830 } else if (state->srate <= 20000000) { /*10Msps < SR <= 20Msps */
831 state->DemodTimeout = 400;
832 state->FecTimeout = 130;
833 } else { /*SR >20Msps*/
834 state->DemodTimeout = 300;
835 state->FecTimeout = 100;
836 }
837 break;
838 }
839
840 if (state->algo == STV090x_WARM_SEARCH)
841 state->DemodTimeout /= 2;
842 }
843
844 static int stv090x_set_srate(struct stv090x_state *state, u32 srate)
845 {
846 u32 sym;
847
848 if (srate > 60000000) {
849 sym = (srate << 4); /* SR * 2^16 / master_clk */
850 sym /= (state->internal->mclk >> 12);
851 } else if (srate > 6000000) {
852 sym = (srate << 6);
853 sym /= (state->internal->mclk >> 10);
854 } else {
855 sym = (srate << 9);
856 sym /= (state->internal->mclk >> 7);
857 }
858
859 if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0x7f) < 0) /* MSB */
860 goto err;
861 if (STV090x_WRITE_DEMOD(state, SFRINIT0, (sym & 0xff)) < 0) /* LSB */
862 goto err;
863
864 return 0;
865 err:
866 dprintk(FE_ERROR, 1, "I/O error");
867 return -1;
868 }
869
870 static int stv090x_set_max_srate(struct stv090x_state *state, u32 clk, u32 srate)
871 {
872 u32 sym;
873
874 srate = 105 * (srate / 100);
875 if (srate > 60000000) {
876 sym = (srate << 4); /* SR * 2^16 / master_clk */
877 sym /= (state->internal->mclk >> 12);
878 } else if (srate > 6000000) {
879 sym = (srate << 6);
880 sym /= (state->internal->mclk >> 10);
881 } else {
882 sym = (srate << 9);
883 sym /= (state->internal->mclk >> 7);
884 }
885
886 if (sym < 0x7fff) {
887 if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0) /* MSB */
888 goto err;
889 if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0) /* LSB */
890 goto err;
891 } else {
892 if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x7f) < 0) /* MSB */
893 goto err;
894 if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xff) < 0) /* LSB */
895 goto err;
896 }
897
898 return 0;
899 err:
900 dprintk(FE_ERROR, 1, "I/O error");
901 return -1;
902 }
903
904 static int stv090x_set_min_srate(struct stv090x_state *state, u32 clk, u32 srate)
905 {
906 u32 sym;
907
908 srate = 95 * (srate / 100);
909 if (srate > 60000000) {
910 sym = (srate << 4); /* SR * 2^16 / master_clk */
911 sym /= (state->internal->mclk >> 12);
912 } else if (srate > 6000000) {
913 sym = (srate << 6);
914 sym /= (state->internal->mclk >> 10);
915 } else {
916 sym = (srate << 9);
917 sym /= (state->internal->mclk >> 7);
918 }
919
920 if (STV090x_WRITE_DEMOD(state, SFRLOW1, ((sym >> 8) & 0x7f)) < 0) /* MSB */
921 goto err;
922 if (STV090x_WRITE_DEMOD(state, SFRLOW0, (sym & 0xff)) < 0) /* LSB */
923 goto err;
924 return 0;
925 err:
926 dprintk(FE_ERROR, 1, "I/O error");
927 return -1;
928 }
929
930 static u32 stv090x_car_width(u32 srate, enum stv090x_rolloff rolloff)
931 {
932 u32 ro;
933
934 switch (rolloff) {
935 case STV090x_RO_20:
936 ro = 20;
937 break;
938 case STV090x_RO_25:
939 ro = 25;
940 break;
941 case STV090x_RO_35:
942 default:
943 ro = 35;
944 break;
945 }
946
947 return srate + (srate * ro) / 100;
948 }
949
950 static int stv090x_set_vit_thacq(struct stv090x_state *state)
951 {
952 if (STV090x_WRITE_DEMOD(state, VTH12, 0x96) < 0)
953 goto err;
954 if (STV090x_WRITE_DEMOD(state, VTH23, 0x64) < 0)
955 goto err;
956 if (STV090x_WRITE_DEMOD(state, VTH34, 0x36) < 0)
957 goto err;
958 if (STV090x_WRITE_DEMOD(state, VTH56, 0x23) < 0)
959 goto err;
960 if (STV090x_WRITE_DEMOD(state, VTH67, 0x1e) < 0)
961 goto err;
962 if (STV090x_WRITE_DEMOD(state, VTH78, 0x19) < 0)
963 goto err;
964 return 0;
965 err:
966 dprintk(FE_ERROR, 1, "I/O error");
967 return -1;
968 }
969
970 static int stv090x_set_vit_thtracq(struct stv090x_state *state)
971 {
972 if (STV090x_WRITE_DEMOD(state, VTH12, 0xd0) < 0)
973 goto err;
974 if (STV090x_WRITE_DEMOD(state, VTH23, 0x7d) < 0)
975 goto err;
976 if (STV090x_WRITE_DEMOD(state, VTH34, 0x53) < 0)
977 goto err;
978 if (STV090x_WRITE_DEMOD(state, VTH56, 0x2f) < 0)
979 goto err;
980 if (STV090x_WRITE_DEMOD(state, VTH67, 0x24) < 0)
981 goto err;
982 if (STV090x_WRITE_DEMOD(state, VTH78, 0x1f) < 0)
983 goto err;
984 return 0;
985 err:
986 dprintk(FE_ERROR, 1, "I/O error");
987 return -1;
988 }
989
990 static int stv090x_set_viterbi(struct stv090x_state *state)
991 {
992 switch (state->search_mode) {
993 case STV090x_SEARCH_AUTO:
994 if (STV090x_WRITE_DEMOD(state, FECM, 0x10) < 0) /* DVB-S and DVB-S2 */
995 goto err;
996 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x3f) < 0) /* all puncture rate */
997 goto err;
998 break;
999 case STV090x_SEARCH_DVBS1:
1000 if (STV090x_WRITE_DEMOD(state, FECM, 0x00) < 0) /* disable DSS */
1001 goto err;
1002 switch (state->fec) {
1003 case STV090x_PR12:
1004 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x01) < 0)
1005 goto err;
1006 break;
1007
1008 case STV090x_PR23:
1009 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x02) < 0)
1010 goto err;
1011 break;
1012
1013 case STV090x_PR34:
1014 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x04) < 0)
1015 goto err;
1016 break;
1017
1018 case STV090x_PR56:
1019 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x08) < 0)
1020 goto err;
1021 break;
1022
1023 case STV090x_PR78:
1024 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x20) < 0)
1025 goto err;
1026 break;
1027
1028 default:
1029 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x2f) < 0) /* all */
1030 goto err;
1031 break;
1032 }
1033 break;
1034 case STV090x_SEARCH_DSS:
1035 if (STV090x_WRITE_DEMOD(state, FECM, 0x80) < 0)
1036 goto err;
1037 switch (state->fec) {
1038 case STV090x_PR12:
1039 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x01) < 0)
1040 goto err;
1041 break;
1042
1043 case STV090x_PR23:
1044 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x02) < 0)
1045 goto err;
1046 break;
1047
1048 case STV090x_PR67:
1049 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x10) < 0)
1050 goto err;
1051 break;
1052
1053 default:
1054 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x13) < 0) /* 1/2, 2/3, 6/7 */
1055 goto err;
1056 break;
1057 }
1058 break;
1059 default:
1060 break;
1061 }
1062 return 0;
1063 err:
1064 dprintk(FE_ERROR, 1, "I/O error");
1065 return -1;
1066 }
1067
1068 static int stv090x_stop_modcod(struct stv090x_state *state)
1069 {
1070 if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
1071 goto err;
1072 if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xff) < 0)
1073 goto err;
1074 if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xff) < 0)
1075 goto err;
1076 if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xff) < 0)
1077 goto err;
1078 if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xff) < 0)
1079 goto err;
1080 if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xff) < 0)
1081 goto err;
1082 if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xff) < 0)
1083 goto err;
1084 if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xff) < 0)
1085 goto err;
1086 if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xff) < 0)
1087 goto err;
1088 if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xff) < 0)
1089 goto err;
1090 if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xff) < 0)
1091 goto err;
1092 if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xff) < 0)
1093 goto err;
1094 if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xff) < 0)
1095 goto err;
1096 if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xff) < 0)
1097 goto err;
1098 if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xff) < 0)
1099 goto err;
1100 if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xff) < 0)
1101 goto err;
1102 return 0;
1103 err:
1104 dprintk(FE_ERROR, 1, "I/O error");
1105 return -1;
1106 }
1107
1108 static int stv090x_activate_modcod(struct stv090x_state *state)
1109 {
1110 if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
1111 goto err;
1112 if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xfc) < 0)
1113 goto err;
1114 if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xcc) < 0)
1115 goto err;
1116 if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xcc) < 0)
1117 goto err;
1118 if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xcc) < 0)
1119 goto err;
1120 if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xcc) < 0)
1121 goto err;
1122 if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xcc) < 0)
1123 goto err;
1124 if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xcc) < 0)
1125 goto err;
1126 if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xcc) < 0)
1127 goto err;
1128 if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xcc) < 0)
1129 goto err;
1130 if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xcc) < 0)
1131 goto err;
1132 if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xcc) < 0)
1133 goto err;
1134 if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xcc) < 0)
1135 goto err;
1136 if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xcc) < 0)
1137 goto err;
1138 if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xcc) < 0)
1139 goto err;
1140 if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xcf) < 0)
1141 goto err;
1142
1143 return 0;
1144 err:
1145 dprintk(FE_ERROR, 1, "I/O error");
1146 return -1;
1147 }
1148
1149 static int stv090x_activate_modcod_single(struct stv090x_state *state)
1150 {
1151
1152 if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
1153 goto err;
1154 if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xf0) < 0)
1155 goto err;
1156 if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0x00) < 0)
1157 goto err;
1158 if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0x00) < 0)
1159 goto err;
1160 if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0x00) < 0)
1161 goto err;
1162 if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0x00) < 0)
1163 goto err;
1164 if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0x00) < 0)
1165 goto err;
1166 if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0x00) < 0)
1167 goto err;
1168 if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0x00) < 0)
1169 goto err;
1170 if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0x00) < 0)
1171 goto err;
1172 if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0x00) < 0)
1173 goto err;
1174 if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0x00) < 0)
1175 goto err;
1176 if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0x00) < 0)
1177 goto err;
1178 if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0x00) < 0)
1179 goto err;
1180 if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0x00) < 0)
1181 goto err;
1182 if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0x0f) < 0)
1183 goto err;
1184
1185 return 0;
1186
1187 err:
1188 dprintk(FE_ERROR, 1, "I/O error");
1189 return -1;
1190 }
1191
1192 static int stv090x_vitclk_ctl(struct stv090x_state *state, int enable)
1193 {
1194 u32 reg;
1195
1196 switch (state->demod) {
1197 case STV090x_DEMODULATOR_0:
1198 mutex_lock(&state->internal->demod_lock);
1199 reg = stv090x_read_reg(state, STV090x_STOPCLK2);
1200 STV090x_SETFIELD(reg, STOP_CLKVIT1_FIELD, enable);
1201 if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
1202 goto err;
1203 mutex_unlock(&state->internal->demod_lock);
1204 break;
1205
1206 case STV090x_DEMODULATOR_1:
1207 mutex_lock(&state->internal->demod_lock);
1208 reg = stv090x_read_reg(state, STV090x_STOPCLK2);
1209 STV090x_SETFIELD(reg, STOP_CLKVIT2_FIELD, enable);
1210 if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
1211 goto err;
1212 mutex_unlock(&state->internal->demod_lock);
1213 break;
1214
1215 default:
1216 dprintk(FE_ERROR, 1, "Wrong demodulator!");
1217 break;
1218 }
1219 return 0;
1220 err:
1221 mutex_unlock(&state->internal->demod_lock);
1222 dprintk(FE_ERROR, 1, "I/O error");
1223 return -1;
1224 }
1225
1226 static int stv090x_dvbs_track_crl(struct stv090x_state *state)
1227 {
1228 if (state->internal->dev_ver >= 0x30) {
1229 /* Set ACLC BCLC optimised value vs SR */
1230 if (state->srate >= 15000000) {
1231 if (STV090x_WRITE_DEMOD(state, ACLC, 0x2b) < 0)
1232 goto err;
1233 if (STV090x_WRITE_DEMOD(state, BCLC, 0x1a) < 0)
1234 goto err;
1235 } else if ((state->srate >= 7000000) && (15000000 > state->srate)) {
1236 if (STV090x_WRITE_DEMOD(state, ACLC, 0x0c) < 0)
1237 goto err;
1238 if (STV090x_WRITE_DEMOD(state, BCLC, 0x1b) < 0)
1239 goto err;
1240 } else if (state->srate < 7000000) {
1241 if (STV090x_WRITE_DEMOD(state, ACLC, 0x2c) < 0)
1242 goto err;
1243 if (STV090x_WRITE_DEMOD(state, BCLC, 0x1c) < 0)
1244 goto err;
1245 }
1246
1247 } else {
1248 /* Cut 2.0 */
1249 if (STV090x_WRITE_DEMOD(state, ACLC, 0x1a) < 0)
1250 goto err;
1251 if (STV090x_WRITE_DEMOD(state, BCLC, 0x09) < 0)
1252 goto err;
1253 }
1254 return 0;
1255 err:
1256 dprintk(FE_ERROR, 1, "I/O error");
1257 return -1;
1258 }
1259
1260 static int stv090x_delivery_search(struct stv090x_state *state)
1261 {
1262 u32 reg;
1263
1264 switch (state->search_mode) {
1265 case STV090x_SEARCH_DVBS1:
1266 case STV090x_SEARCH_DSS:
1267 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1268 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
1269 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
1270 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1271 goto err;
1272
1273 /* Activate Viterbi decoder in legacy search,
1274 * do not use FRESVIT1, might impact VITERBI2
1275 */
1276 if (stv090x_vitclk_ctl(state, 0) < 0)
1277 goto err;
1278
1279 if (stv090x_dvbs_track_crl(state) < 0)
1280 goto err;
1281
1282 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x22) < 0) /* disable DVB-S2 */
1283 goto err;
1284
1285 if (stv090x_set_vit_thacq(state) < 0)
1286 goto err;
1287 if (stv090x_set_viterbi(state) < 0)
1288 goto err;
1289 break;
1290
1291 case STV090x_SEARCH_DVBS2:
1292 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1293 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
1294 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
1295 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1296 goto err;
1297 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
1298 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
1299 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1300 goto err;
1301
1302 if (stv090x_vitclk_ctl(state, 1) < 0)
1303 goto err;
1304
1305 if (STV090x_WRITE_DEMOD(state, ACLC, 0x1a) < 0) /* stop DVB-S CR loop */
1306 goto err;
1307 if (STV090x_WRITE_DEMOD(state, BCLC, 0x09) < 0)
1308 goto err;
1309
1310 if (state->internal->dev_ver <= 0x20) {
1311 /* enable S2 carrier loop */
1312 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x26) < 0)
1313 goto err;
1314 } else {
1315 /* > Cut 3: Stop carrier 3 */
1316 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x66) < 0)
1317 goto err;
1318 }
1319
1320 if (state->demod_mode != STV090x_SINGLE) {
1321 /* Cut 2: enable link during search */
1322 if (stv090x_activate_modcod(state) < 0)
1323 goto err;
1324 } else {
1325 /* Single demodulator
1326 * Authorize SHORT and LONG frames,
1327 * QPSK, 8PSK, 16APSK and 32APSK
1328 */
1329 if (stv090x_activate_modcod_single(state) < 0)
1330 goto err;
1331 }
1332
1333 if (stv090x_set_vit_thtracq(state) < 0)
1334 goto err;
1335 break;
1336
1337 case STV090x_SEARCH_AUTO:
1338 default:
1339 /* enable DVB-S2 and DVB-S2 in Auto MODE */
1340 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1341 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
1342 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
1343 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1344 goto err;
1345 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
1346 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
1347 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1348 goto err;
1349
1350 if (stv090x_vitclk_ctl(state, 0) < 0)
1351 goto err;
1352
1353 if (stv090x_dvbs_track_crl(state) < 0)
1354 goto err;
1355
1356 if (state->internal->dev_ver <= 0x20) {
1357 /* enable S2 carrier loop */
1358 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x26) < 0)
1359 goto err;
1360 } else {
1361 /* > Cut 3: Stop carrier 3 */
1362 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x66) < 0)
1363 goto err;
1364 }
1365
1366 if (state->demod_mode != STV090x_SINGLE) {
1367 /* Cut 2: enable link during search */
1368 if (stv090x_activate_modcod(state) < 0)
1369 goto err;
1370 } else {
1371 /* Single demodulator
1372 * Authorize SHORT and LONG frames,
1373 * QPSK, 8PSK, 16APSK and 32APSK
1374 */
1375 if (stv090x_activate_modcod_single(state) < 0)
1376 goto err;
1377 }
1378
1379 if (stv090x_set_vit_thacq(state) < 0)
1380 goto err;
1381
1382 if (stv090x_set_viterbi(state) < 0)
1383 goto err;
1384 break;
1385 }
1386 return 0;
1387 err:
1388 dprintk(FE_ERROR, 1, "I/O error");
1389 return -1;
1390 }
1391
1392 static int stv090x_start_search(struct stv090x_state *state)
1393 {
1394 u32 reg, freq_abs;
1395 s16 freq;
1396
1397 /* Reset demodulator */
1398 reg = STV090x_READ_DEMOD(state, DMDISTATE);
1399 STV090x_SETFIELD_Px(reg, I2C_DEMOD_MODE_FIELD, 0x1f);
1400 if (STV090x_WRITE_DEMOD(state, DMDISTATE, reg) < 0)
1401 goto err;
1402
1403 if (state->internal->dev_ver <= 0x20) {
1404 if (state->srate <= 5000000) {
1405 if (STV090x_WRITE_DEMOD(state, CARCFG, 0x44) < 0)
1406 goto err;
1407 if (STV090x_WRITE_DEMOD(state, CFRUP1, 0x0f) < 0)
1408 goto err;
1409 if (STV090x_WRITE_DEMOD(state, CFRUP0, 0xff) < 0)
1410 goto err;
1411 if (STV090x_WRITE_DEMOD(state, CFRLOW1, 0xf0) < 0)
1412 goto err;
1413 if (STV090x_WRITE_DEMOD(state, CFRLOW0, 0x00) < 0)
1414 goto err;
1415
1416 /*enlarge the timing bandwith for Low SR*/
1417 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x68) < 0)
1418 goto err;
1419 } else {
1420 /* If the symbol rate is >5 Msps
1421 Set The carrier search up and low to auto mode */
1422 if (STV090x_WRITE_DEMOD(state, CARCFG, 0xc4) < 0)
1423 goto err;
1424 /*reduce the timing bandwith for high SR*/
1425 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x44) < 0)
1426 goto err;
1427 }
1428 } else {
1429 /* >= Cut 3 */
1430 if (state->srate <= 5000000) {
1431 /* enlarge the timing bandwith for Low SR */
1432 STV090x_WRITE_DEMOD(state, RTCS2, 0x68);
1433 } else {
1434 /* reduce timing bandwith for high SR */
1435 STV090x_WRITE_DEMOD(state, RTCS2, 0x44);
1436 }
1437
1438 /* Set CFR min and max to manual mode */
1439 STV090x_WRITE_DEMOD(state, CARCFG, 0x46);
1440
1441 if (state->algo == STV090x_WARM_SEARCH) {
1442 /* WARM Start
1443 * CFR min = -1MHz,
1444 * CFR max = +1MHz
1445 */
1446 freq_abs = 1000 << 16;
1447 freq_abs /= (state->internal->mclk / 1000);
1448 freq = (s16) freq_abs;
1449 } else {
1450 /* COLD Start
1451 * CFR min =- (SearchRange / 2 + 600KHz)
1452 * CFR max = +(SearchRange / 2 + 600KHz)
1453 * (600KHz for the tuner step size)
1454 */
1455 freq_abs = (state->search_range / 2000) + 600;
1456 freq_abs = freq_abs << 16;
1457 freq_abs /= (state->internal->mclk / 1000);
1458 freq = (s16) freq_abs;
1459 }
1460
1461 if (STV090x_WRITE_DEMOD(state, CFRUP1, MSB(freq)) < 0)
1462 goto err;
1463 if (STV090x_WRITE_DEMOD(state, CFRUP0, LSB(freq)) < 0)
1464 goto err;
1465
1466 freq *= -1;
1467
1468 if (STV090x_WRITE_DEMOD(state, CFRLOW1, MSB(freq)) < 0)
1469 goto err;
1470 if (STV090x_WRITE_DEMOD(state, CFRLOW0, LSB(freq)) < 0)
1471 goto err;
1472
1473 }
1474
1475 if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0) < 0)
1476 goto err;
1477 if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0) < 0)
1478 goto err;
1479
1480 if (state->internal->dev_ver >= 0x20) {
1481 if (STV090x_WRITE_DEMOD(state, EQUALCFG, 0x41) < 0)
1482 goto err;
1483 if (STV090x_WRITE_DEMOD(state, FFECFG, 0x41) < 0)
1484 goto err;
1485
1486 if ((state->search_mode == STV090x_DVBS1) ||
1487 (state->search_mode == STV090x_DSS) ||
1488 (state->search_mode == STV090x_SEARCH_AUTO)) {
1489
1490 if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x82) < 0)
1491 goto err;
1492 if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x00) < 0)
1493 goto err;
1494 }
1495 }
1496
1497 if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x00) < 0)
1498 goto err;
1499 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0xe0) < 0)
1500 goto err;
1501 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0xc0) < 0)
1502 goto err;
1503
1504 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1505 STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0);
1506 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
1507 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1508 goto err;
1509 reg = STV090x_READ_DEMOD(state, DMDCFG2);
1510 STV090x_SETFIELD_Px(reg, S1S2_SEQUENTIAL_FIELD, 0x0);
1511 if (STV090x_WRITE_DEMOD(state, DMDCFG2, reg) < 0)
1512 goto err;
1513
1514 if (STV090x_WRITE_DEMOD(state, RTC, 0x88) < 0)
1515 goto err;
1516
1517 if (state->internal->dev_ver >= 0x20) {
1518 /*Frequency offset detector setting*/
1519 if (state->srate < 2000000) {
1520 if (state->internal->dev_ver <= 0x20) {
1521 /* Cut 2 */
1522 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x39) < 0)
1523 goto err;
1524 } else {
1525 /* Cut 3 */
1526 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x89) < 0)
1527 goto err;
1528 }
1529 if (STV090x_WRITE_DEMOD(state, CARHDR, 0x40) < 0)
1530 goto err;
1531 } else if (state->srate < 10000000) {
1532 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x4c) < 0)
1533 goto err;
1534 if (STV090x_WRITE_DEMOD(state, CARHDR, 0x20) < 0)
1535 goto err;
1536 } else {
1537 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x4b) < 0)
1538 goto err;
1539 if (STV090x_WRITE_DEMOD(state, CARHDR, 0x20) < 0)
1540 goto err;
1541 }
1542 } else {
1543 if (state->srate < 10000000) {
1544 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0xef) < 0)
1545 goto err;
1546 } else {
1547 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0xed) < 0)
1548 goto err;
1549 }
1550 }
1551
1552 switch (state->algo) {
1553 case STV090x_WARM_SEARCH:
1554 /* The symbol rate and the exact
1555 * carrier Frequency are known
1556 */
1557 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
1558 goto err;
1559 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
1560 goto err;
1561 break;
1562
1563 case STV090x_COLD_SEARCH:
1564 /* The symbol rate is known */
1565 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
1566 goto err;
1567 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
1568 goto err;
1569 break;
1570
1571 default:
1572 break;
1573 }
1574 return 0;
1575 err:
1576 dprintk(FE_ERROR, 1, "I/O error");
1577 return -1;
1578 }
1579
1580 static int stv090x_get_agc2_min_level(struct stv090x_state *state)
1581 {
1582 u32 agc2_min = 0xffff, agc2 = 0, freq_init, freq_step, reg;
1583 s32 i, j, steps, dir;
1584
1585 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
1586 goto err;
1587 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1588 STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0);
1589 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
1590 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1591 goto err;
1592
1593 if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x83) < 0) /* SR = 65 Msps Max */
1594 goto err;
1595 if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xc0) < 0)
1596 goto err;
1597 if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x82) < 0) /* SR= 400 ksps Min */
1598 goto err;
1599 if (STV090x_WRITE_DEMOD(state, SFRLOW0, 0xa0) < 0)
1600 goto err;
1601 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x00) < 0) /* stop acq @ coarse carrier state */
1602 goto err;
1603 if (stv090x_set_srate(state, 1000000) < 0)
1604 goto err;
1605
1606 steps = state->search_range / 1000000;
1607 if (steps <= 0)
1608 steps = 1;
1609
1610 dir = 1;
1611 freq_step = (1000000 * 256) / (state->internal->mclk / 256);
1612 freq_init = 0;
1613
1614 for (i = 0; i < steps; i++) {
1615 if (dir > 0)
1616 freq_init = freq_init + (freq_step * i);
1617 else
1618 freq_init = freq_init - (freq_step * i);
1619
1620 dir *= -1;
1621
1622 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5c) < 0) /* Demod RESET */
1623 goto err;
1624 if (STV090x_WRITE_DEMOD(state, CFRINIT1, (freq_init >> 8) & 0xff) < 0)
1625 goto err;
1626 if (STV090x_WRITE_DEMOD(state, CFRINIT0, freq_init & 0xff) < 0)
1627 goto err;
1628 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x58) < 0) /* Demod RESET */
1629 goto err;
1630 msleep(10);
1631
1632 agc2 = 0;
1633 for (j = 0; j < 10; j++) {
1634 agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
1635 STV090x_READ_DEMOD(state, AGC2I0);
1636 }
1637 agc2 /= 10;
1638 if (agc2 < agc2_min)
1639 agc2_min = agc2;
1640 }
1641
1642 return agc2_min;
1643 err:
1644 dprintk(FE_ERROR, 1, "I/O error");
1645 return -1;
1646 }
1647
1648 static u32 stv090x_get_srate(struct stv090x_state *state, u32 clk)
1649 {
1650 u8 r3, r2, r1, r0;
1651 s32 srate, int_1, int_2, tmp_1, tmp_2;
1652
1653 r3 = STV090x_READ_DEMOD(state, SFR3);
1654 r2 = STV090x_READ_DEMOD(state, SFR2);
1655 r1 = STV090x_READ_DEMOD(state, SFR1);
1656 r0 = STV090x_READ_DEMOD(state, SFR0);
1657
1658 srate = ((r3 << 24) | (r2 << 16) | (r1 << 8) | r0);
1659
1660 int_1 = clk >> 16;
1661 int_2 = srate >> 16;
1662
1663 tmp_1 = clk % 0x10000;
1664 tmp_2 = srate % 0x10000;
1665
1666 srate = (int_1 * int_2) +
1667 ((int_1 * tmp_2) >> 16) +
1668 ((int_2 * tmp_1) >> 16);
1669
1670 return srate;
1671 }
1672
1673 static u32 stv090x_srate_srch_coarse(struct stv090x_state *state)
1674 {
1675 struct dvb_frontend *fe = &state->frontend;
1676
1677 int tmg_lock = 0, i;
1678 s32 tmg_cpt = 0, dir = 1, steps, cur_step = 0, freq;
1679 u32 srate_coarse = 0, agc2 = 0, car_step = 1200, reg;
1680 u32 agc2th;
1681
1682 if (state->internal->dev_ver >= 0x30)
1683 agc2th = 0x2e00;
1684 else
1685 agc2th = 0x1f00;
1686
1687 reg = STV090x_READ_DEMOD(state, DMDISTATE);
1688 STV090x_SETFIELD_Px(reg, I2C_DEMOD_MODE_FIELD, 0x1f); /* Demod RESET */
1689 if (STV090x_WRITE_DEMOD(state, DMDISTATE, reg) < 0)
1690 goto err;
1691 if (STV090x_WRITE_DEMOD(state, TMGCFG, 0x12) < 0)
1692 goto err;
1693 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc0) < 0)
1694 goto err;
1695 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0xf0) < 0)
1696 goto err;
1697 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0xe0) < 0)
1698 goto err;
1699 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1700 STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 1);
1701 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
1702 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1703 goto err;
1704
1705 if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x83) < 0)
1706 goto err;
1707 if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xc0) < 0)
1708 goto err;
1709 if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x82) < 0)
1710 goto err;
1711 if (STV090x_WRITE_DEMOD(state, SFRLOW0, 0xa0) < 0)
1712 goto err;
1713 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x00) < 0)
1714 goto err;
1715 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x50) < 0)
1716 goto err;
1717
1718 if (state->internal->dev_ver >= 0x30) {
1719 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x99) < 0)
1720 goto err;
1721 if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x98) < 0)
1722 goto err;
1723
1724 } else if (state->internal->dev_ver >= 0x20) {
1725 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x6a) < 0)
1726 goto err;
1727 if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x95) < 0)
1728 goto err;
1729 }
1730
1731 if (state->srate <= 2000000)
1732 car_step = 1000;
1733 else if (state->srate <= 5000000)
1734 car_step = 2000;
1735 else if (state->srate <= 12000000)
1736 car_step = 3000;
1737 else
1738 car_step = 5000;
1739
1740 steps = -1 + ((state->search_range / 1000) / car_step);
1741 steps /= 2;
1742 steps = (2 * steps) + 1;
1743 if (steps < 0)
1744 steps = 1;
1745 else if (steps > 10) {
1746 steps = 11;
1747 car_step = (state->search_range / 1000) / 10;
1748 }
1749 cur_step = 0;
1750 dir = 1;
1751 freq = state->frequency;
1752
1753 while ((!tmg_lock) && (cur_step < steps)) {
1754 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5f) < 0) /* Demod RESET */
1755 goto err;
1756 if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0)
1757 goto err;
1758 if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
1759 goto err;
1760 if (STV090x_WRITE_DEMOD(state, SFRINIT1, 0x00) < 0)
1761 goto err;
1762 if (STV090x_WRITE_DEMOD(state, SFRINIT0, 0x00) < 0)
1763 goto err;
1764 /* trigger acquisition */
1765 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x40) < 0)
1766 goto err;
1767 msleep(50);
1768 for (i = 0; i < 10; i++) {
1769 reg = STV090x_READ_DEMOD(state, DSTATUS);
1770 if (STV090x_GETFIELD_Px(reg, TMGLOCK_QUALITY_FIELD) >= 2)
1771 tmg_cpt++;
1772 agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
1773 STV090x_READ_DEMOD(state, AGC2I0);
1774 }
1775 agc2 /= 10;
1776 srate_coarse = stv090x_get_srate(state, state->internal->mclk);
1777 cur_step++;
1778 dir *= -1;
1779 if ((tmg_cpt >= 5) && (agc2 < agc2th) &&
1780 (srate_coarse < 50000000) && (srate_coarse > 850000))
1781 tmg_lock = 1;
1782 else if (cur_step < steps) {
1783 if (dir > 0)
1784 freq += cur_step * car_step;
1785 else
1786 freq -= cur_step * car_step;
1787
1788 /* Setup tuner */
1789 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
1790 goto err;
1791
1792 if (state->config->tuner_set_frequency) {
1793 if (state->config->tuner_set_frequency(fe, freq) < 0)
1794 goto err_gateoff;
1795 }
1796
1797 if (state->config->tuner_set_bandwidth) {
1798 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
1799 goto err_gateoff;
1800 }
1801
1802 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
1803 goto err;
1804
1805 msleep(50);
1806
1807 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
1808 goto err;
1809
1810 if (state->config->tuner_get_status) {
1811 if (state->config->tuner_get_status(fe, &reg) < 0)
1812 goto err_gateoff;
1813 }
1814
1815 if (reg)
1816 dprintk(FE_DEBUG, 1, "Tuner phase locked");
1817 else
1818 dprintk(FE_DEBUG, 1, "Tuner unlocked");
1819
1820 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
1821 goto err;
1822
1823 }
1824 }
1825 if (!tmg_lock)
1826 srate_coarse = 0;
1827 else
1828 srate_coarse = stv090x_get_srate(state, state->internal->mclk);
1829
1830 return srate_coarse;
1831
1832 err_gateoff:
1833 stv090x_i2c_gate_ctrl(state, 0);
1834 err:
1835 dprintk(FE_ERROR, 1, "I/O error");
1836 return -1;
1837 }
1838
1839 static u32 stv090x_srate_srch_fine(struct stv090x_state *state)
1840 {
1841 u32 srate_coarse, freq_coarse, sym, reg;
1842
1843 srate_coarse = stv090x_get_srate(state, state->internal->mclk);
1844 freq_coarse = STV090x_READ_DEMOD(state, CFR2) << 8;
1845 freq_coarse |= STV090x_READ_DEMOD(state, CFR1);
1846 sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
1847
1848 if (sym < state->srate)
1849 srate_coarse = 0;
1850 else {
1851 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0) /* Demod RESET */
1852 goto err;
1853 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0)
1854 goto err;
1855 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0x20) < 0)
1856 goto err;
1857 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0x00) < 0)
1858 goto err;
1859 if (STV090x_WRITE_DEMOD(state, TMGCFG, 0xd2) < 0)
1860 goto err;
1861 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1862 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00);
1863 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1864 goto err;
1865
1866 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
1867 goto err;
1868
1869 if (state->internal->dev_ver >= 0x30) {
1870 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x79) < 0)
1871 goto err;
1872 } else if (state->internal->dev_ver >= 0x20) {
1873 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
1874 goto err;
1875 }
1876
1877 if (srate_coarse > 3000000) {
1878 sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
1879 sym = (sym / 1000) * 65536;
1880 sym /= (state->internal->mclk / 1000);
1881 if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0)
1882 goto err;
1883 if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0)
1884 goto err;
1885 sym = 10 * (srate_coarse / 13); /* SFRLOW = SFR - 30% */
1886 sym = (sym / 1000) * 65536;
1887 sym /= (state->internal->mclk / 1000);
1888 if (STV090x_WRITE_DEMOD(state, SFRLOW1, (sym >> 8) & 0x7f) < 0)
1889 goto err;
1890 if (STV090x_WRITE_DEMOD(state, SFRLOW0, sym & 0xff) < 0)
1891 goto err;
1892 sym = (srate_coarse / 1000) * 65536;
1893 sym /= (state->internal->mclk / 1000);
1894 if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0xff) < 0)
1895 goto err;
1896 if (STV090x_WRITE_DEMOD(state, SFRINIT0, sym & 0xff) < 0)
1897 goto err;
1898 } else {
1899 sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
1900 sym = (sym / 100) * 65536;
1901 sym /= (state->internal->mclk / 100);
1902 if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0)
1903 goto err;
1904 if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0)
1905 goto err;
1906 sym = 10 * (srate_coarse / 14); /* SFRLOW = SFR - 30% */
1907 sym = (sym / 100) * 65536;
1908 sym /= (state->internal->mclk / 100);
1909 if (STV090x_WRITE_DEMOD(state, SFRLOW1, (sym >> 8) & 0x7f) < 0)
1910 goto err;
1911 if (STV090x_WRITE_DEMOD(state, SFRLOW0, sym & 0xff) < 0)
1912 goto err;
1913 sym = (srate_coarse / 100) * 65536;
1914 sym /= (state->internal->mclk / 100);
1915 if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0xff) < 0)
1916 goto err;
1917 if (STV090x_WRITE_DEMOD(state, SFRINIT0, sym & 0xff) < 0)
1918 goto err;
1919 }
1920 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x20) < 0)
1921 goto err;
1922 if (STV090x_WRITE_DEMOD(state, CFRINIT1, (freq_coarse >> 8) & 0xff) < 0)
1923 goto err;
1924 if (STV090x_WRITE_DEMOD(state, CFRINIT0, freq_coarse & 0xff) < 0)
1925 goto err;
1926 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0) /* trigger acquisition */
1927 goto err;
1928 }
1929
1930 return srate_coarse;
1931
1932 err:
1933 dprintk(FE_ERROR, 1, "I/O error");
1934 return -1;
1935 }
1936
1937 static int stv090x_get_dmdlock(struct stv090x_state *state, s32 timeout)
1938 {
1939 s32 timer = 0, lock = 0;
1940 u32 reg;
1941 u8 stat;
1942
1943 while ((timer < timeout) && (!lock)) {
1944 reg = STV090x_READ_DEMOD(state, DMDSTATE);
1945 stat = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
1946
1947 switch (stat) {
1948 case 0: /* searching */
1949 case 1: /* first PLH detected */
1950 default:
1951 dprintk(FE_DEBUG, 1, "Demodulator searching ..");
1952 lock = 0;
1953 break;
1954 case 2: /* DVB-S2 mode */
1955 case 3: /* DVB-S1/legacy mode */
1956 reg = STV090x_READ_DEMOD(state, DSTATUS);
1957 lock = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
1958 break;
1959 }
1960
1961 if (!lock)
1962 msleep(10);
1963 else
1964 dprintk(FE_DEBUG, 1, "Demodulator acquired LOCK");
1965
1966 timer += 10;
1967 }
1968 return lock;
1969 }
1970
1971 static int stv090x_blind_search(struct stv090x_state *state)
1972 {
1973 u32 agc2, reg, srate_coarse;
1974 s32 cpt_fail, agc2_ovflw, i;
1975 u8 k_ref, k_max, k_min;
1976 int coarse_fail = 0;
1977 int lock;
1978
1979 k_max = 110;
1980 k_min = 10;
1981
1982 agc2 = stv090x_get_agc2_min_level(state);
1983
1984 if (agc2 > STV090x_SEARCH_AGC2_TH(state->internal->dev_ver)) {
1985 lock = 0;
1986 } else {
1987
1988 if (state->internal->dev_ver <= 0x20) {
1989 if (STV090x_WRITE_DEMOD(state, CARCFG, 0xc4) < 0)
1990 goto err;
1991 } else {
1992 /* > Cut 3 */
1993 if (STV090x_WRITE_DEMOD(state, CARCFG, 0x06) < 0)
1994 goto err;
1995 }
1996
1997 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x44) < 0)
1998 goto err;
1999
2000 if (state->internal->dev_ver >= 0x20) {
2001 if (STV090x_WRITE_DEMOD(state, EQUALCFG, 0x41) < 0)
2002 goto err;
2003 if (STV090x_WRITE_DEMOD(state, FFECFG, 0x41) < 0)
2004 goto err;
2005 if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x82) < 0)
2006 goto err;
2007 if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x00) < 0) /* set viterbi hysteresis */
2008 goto err;
2009 }
2010
2011 k_ref = k_max;
2012 do {
2013 if (STV090x_WRITE_DEMOD(state, KREFTMG, k_ref) < 0)
2014 goto err;
2015 if (stv090x_srate_srch_coarse(state) != 0) {
2016 srate_coarse = stv090x_srate_srch_fine(state);
2017 if (srate_coarse != 0) {
2018 stv090x_get_lock_tmg(state);
2019 lock = stv090x_get_dmdlock(state,
2020 state->DemodTimeout);
2021 } else {
2022 lock = 0;
2023 }
2024 } else {
2025 cpt_fail = 0;
2026 agc2_ovflw = 0;
2027 for (i = 0; i < 10; i++) {
2028 agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
2029 STV090x_READ_DEMOD(state, AGC2I0);
2030 if (agc2 >= 0xff00)
2031 agc2_ovflw++;
2032 reg = STV090x_READ_DEMOD(state, DSTATUS2);
2033 if ((STV090x_GETFIELD_Px(reg, CFR_OVERFLOW_FIELD) == 0x01) &&
2034 (STV090x_GETFIELD_Px(reg, DEMOD_DELOCK_FIELD) == 0x01))
2035
2036 cpt_fail++;
2037 }
2038 if ((cpt_fail > 7) || (agc2_ovflw > 7))
2039 coarse_fail = 1;
2040
2041 lock = 0;
2042 }
2043 k_ref -= 20;
2044 } while ((k_ref >= k_min) && (!lock) && (!coarse_fail));
2045 }
2046
2047 return lock;
2048
2049 err:
2050 dprintk(FE_ERROR, 1, "I/O error");
2051 return -1;
2052 }
2053
2054 static int stv090x_chk_tmg(struct stv090x_state *state)
2055 {
2056 u32 reg;
2057 s32 tmg_cpt = 0, i;
2058 u8 freq, tmg_thh, tmg_thl;
2059 int tmg_lock = 0;
2060
2061 freq = STV090x_READ_DEMOD(state, CARFREQ);
2062 tmg_thh = STV090x_READ_DEMOD(state, TMGTHRISE);
2063 tmg_thl = STV090x_READ_DEMOD(state, TMGTHFALL);
2064 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0x20) < 0)
2065 goto err;
2066 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0x00) < 0)
2067 goto err;
2068
2069 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2070 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00); /* stop carrier offset search */
2071 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2072 goto err;
2073 if (STV090x_WRITE_DEMOD(state, RTC, 0x80) < 0)
2074 goto err;
2075
2076 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x40) < 0)
2077 goto err;
2078 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x00) < 0)
2079 goto err;
2080
2081 if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0) /* set car ofset to 0 */
2082 goto err;
2083 if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
2084 goto err;
2085 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x65) < 0)
2086 goto err;
2087
2088 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0) /* trigger acquisition */
2089 goto err;
2090 msleep(10);
2091
2092 for (i = 0; i < 10; i++) {
2093 reg = STV090x_READ_DEMOD(state, DSTATUS);
2094 if (STV090x_GETFIELD_Px(reg, TMGLOCK_QUALITY_FIELD) >= 2)
2095 tmg_cpt++;
2096 msleep(1);
2097 }
2098 if (tmg_cpt >= 3)
2099 tmg_lock = 1;
2100
2101 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
2102 goto err;
2103 if (STV090x_WRITE_DEMOD(state, RTC, 0x88) < 0) /* DVB-S1 timing */
2104 goto err;
2105 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x68) < 0) /* DVB-S2 timing */
2106 goto err;
2107
2108 if (STV090x_WRITE_DEMOD(state, CARFREQ, freq) < 0)
2109 goto err;
2110 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, tmg_thh) < 0)
2111 goto err;
2112 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, tmg_thl) < 0)
2113 goto err;
2114
2115 return tmg_lock;
2116
2117 err:
2118 dprintk(FE_ERROR, 1, "I/O error");
2119 return -1;
2120 }
2121
2122 static int stv090x_get_coldlock(struct stv090x_state *state, s32 timeout_dmd)
2123 {
2124 struct dvb_frontend *fe = &state->frontend;
2125
2126 u32 reg;
2127 s32 car_step, steps, cur_step, dir, freq, timeout_lock;
2128 int lock = 0;
2129
2130 if (state->srate >= 10000000)
2131 timeout_lock = timeout_dmd / 3;
2132 else
2133 timeout_lock = timeout_dmd / 2;
2134
2135 lock = stv090x_get_dmdlock(state, timeout_lock); /* cold start wait */
2136 if (!lock) {
2137 if (state->srate >= 10000000) {
2138 if (stv090x_chk_tmg(state)) {
2139 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
2140 goto err;
2141 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
2142 goto err;
2143 lock = stv090x_get_dmdlock(state, timeout_dmd);
2144 } else {
2145 lock = 0;
2146 }
2147 } else {
2148 if (state->srate <= 4000000)
2149 car_step = 1000;
2150 else if (state->srate <= 7000000)
2151 car_step = 2000;
2152 else if (state->srate <= 10000000)
2153 car_step = 3000;
2154 else
2155 car_step = 5000;
2156
2157 steps = (state->search_range / 1000) / car_step;
2158 steps /= 2;
2159 steps = 2 * (steps + 1);
2160 if (steps < 0)
2161 steps = 2;
2162 else if (steps > 12)
2163 steps = 12;
2164
2165 cur_step = 1;
2166 dir = 1;
2167
2168 if (!lock) {
2169 freq = state->frequency;
2170 state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + state->srate;
2171 while ((cur_step <= steps) && (!lock)) {
2172 if (dir > 0)
2173 freq += cur_step * car_step;
2174 else
2175 freq -= cur_step * car_step;
2176
2177 /* Setup tuner */
2178 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
2179 goto err;
2180
2181 if (state->config->tuner_set_frequency) {
2182 if (state->config->tuner_set_frequency(fe, freq) < 0)
2183 goto err_gateoff;
2184 }
2185
2186 if (state->config->tuner_set_bandwidth) {
2187 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
2188 goto err_gateoff;
2189 }
2190
2191 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
2192 goto err;
2193
2194 msleep(50);
2195
2196 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
2197 goto err;
2198
2199 if (state->config->tuner_get_status) {
2200 if (state->config->tuner_get_status(fe, &reg) < 0)
2201 goto err_gateoff;
2202 }
2203
2204 if (reg)
2205 dprintk(FE_DEBUG, 1, "Tuner phase locked");
2206 else
2207 dprintk(FE_DEBUG, 1, "Tuner unlocked");
2208
2209 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
2210 goto err;
2211
2212 STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c);
2213 if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0)
2214 goto err;
2215 if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
2216 goto err;
2217 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
2218 goto err;
2219 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
2220 goto err;
2221 lock = stv090x_get_dmdlock(state, (timeout_dmd / 3));
2222
2223 dir *= -1;
2224 cur_step++;
2225 }
2226 }
2227 }
2228 }
2229
2230 return lock;
2231
2232 err_gateoff:
2233 stv090x_i2c_gate_ctrl(state, 0);
2234 err:
2235 dprintk(FE_ERROR, 1, "I/O error");
2236 return -1;
2237 }
2238
2239 static int stv090x_get_loop_params(struct stv090x_state *state, s32 *freq_inc, s32 *timeout_sw, s32 *steps)
2240 {
2241 s32 timeout, inc, steps_max, srate, car_max;
2242
2243 srate = state->srate;
2244 car_max = state->search_range / 1000;
2245 car_max += car_max / 10;
2246 car_max = 65536 * (car_max / 2);
2247 car_max /= (state->internal->mclk / 1000);
2248
2249 if (car_max > 0x4000)
2250 car_max = 0x4000 ; /* maxcarrier should be<= +-1/4 Mclk */
2251
2252 inc = srate;
2253 inc /= state->internal->mclk / 1000;
2254 inc *= 256;
2255 inc *= 256;
2256 inc /= 1000;
2257
2258 switch (state->search_mode) {
2259 case STV090x_SEARCH_DVBS1:
2260 case STV090x_SEARCH_DSS:
2261 inc *= 3; /* freq step = 3% of srate */
2262 timeout = 20;
2263 break;
2264
2265 case STV090x_SEARCH_DVBS2:
2266 inc *= 4;
2267 timeout = 25;
2268 break;
2269
2270 case STV090x_SEARCH_AUTO:
2271 default:
2272 inc *= 3;
2273 timeout = 25;
2274 break;
2275 }
2276 inc /= 100;
2277 if ((inc > car_max) || (inc < 0))
2278 inc = car_max / 2; /* increment <= 1/8 Mclk */
2279
2280 timeout *= 27500; /* 27.5 Msps reference */
2281 if (srate > 0)
2282 timeout /= (srate / 1000);
2283
2284 if ((timeout > 100) || (timeout < 0))
2285 timeout = 100;
2286
2287 steps_max = (car_max / inc) + 1; /* min steps = 3 */
2288 if ((steps_max > 100) || (steps_max < 0)) {
2289 steps_max = 100; /* max steps <= 100 */
2290 inc = car_max / steps_max;
2291 }
2292 *freq_inc = inc;
2293 *timeout_sw = timeout;
2294 *steps = steps_max;
2295
2296 return 0;
2297 }
2298
2299 static int stv090x_chk_signal(struct stv090x_state *state)
2300 {
2301 s32 offst_car, agc2, car_max;
2302 int no_signal;
2303
2304 offst_car = STV090x_READ_DEMOD(state, CFR2) << 8;
2305 offst_car |= STV090x_READ_DEMOD(state, CFR1);
2306 offst_car = comp2(offst_car, 16);
2307
2308 agc2 = STV090x_READ_DEMOD(state, AGC2I1) << 8;
2309 agc2 |= STV090x_READ_DEMOD(state, AGC2I0);
2310 car_max = state->search_range / 1000;
2311
2312 car_max += (car_max / 10); /* 10% margin */
2313 car_max = (65536 * car_max / 2);
2314 car_max /= state->internal->mclk / 1000;
2315
2316 if (car_max > 0x4000)
2317 car_max = 0x4000;
2318
2319 if ((agc2 > 0x2000) || (offst_car > 2 * car_max) || (offst_car < -2 * car_max)) {
2320 no_signal = 1;
2321 dprintk(FE_DEBUG, 1, "No Signal");
2322 } else {
2323 no_signal = 0;
2324 dprintk(FE_DEBUG, 1, "Found Signal");
2325 }
2326
2327 return no_signal;
2328 }
2329
2330 static int stv090x_search_car_loop(struct stv090x_state *state, s32 inc, s32 timeout, int zigzag, s32 steps_max)
2331 {
2332 int no_signal, lock = 0;
2333 s32 cpt_step = 0, offst_freq, car_max;
2334 u32 reg;
2335
2336 car_max = state->search_range / 1000;
2337 car_max += (car_max / 10);
2338 car_max = (65536 * car_max / 2);
2339 car_max /= (state->internal->mclk / 1000);
2340 if (car_max > 0x4000)
2341 car_max = 0x4000;
2342
2343 if (zigzag)
2344 offst_freq = 0;
2345 else
2346 offst_freq = -car_max + inc;
2347
2348 do {
2349 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c) < 0)
2350 goto err;
2351 if (STV090x_WRITE_DEMOD(state, CFRINIT1, ((offst_freq / 256) & 0xff)) < 0)
2352 goto err;
2353 if (STV090x_WRITE_DEMOD(state, CFRINIT0, offst_freq & 0xff) < 0)
2354 goto err;
2355 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
2356 goto err;
2357
2358 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
2359 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x1); /* stop DVB-S2 packet delin */
2360 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
2361 goto err;
2362
2363 if (zigzag) {
2364 if (offst_freq >= 0)
2365 offst_freq = -offst_freq - 2 * inc;
2366 else
2367 offst_freq = -offst_freq;
2368 } else {
2369 offst_freq += 2 * inc;
2370 }
2371
2372 cpt_step++;
2373
2374 lock = stv090x_get_dmdlock(state, timeout);
2375 no_signal = stv090x_chk_signal(state);
2376
2377 } while ((!lock) &&
2378 (!no_signal) &&
2379 ((offst_freq - inc) < car_max) &&
2380 ((offst_freq + inc) > -car_max) &&
2381 (cpt_step < steps_max));
2382
2383 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
2384 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0);
2385 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
2386 goto err;
2387
2388 return lock;
2389 err:
2390 dprintk(FE_ERROR, 1, "I/O error");
2391 return -1;
2392 }
2393
2394 static int stv090x_sw_algo(struct stv090x_state *state)
2395 {
2396 int no_signal, zigzag, lock = 0;
2397 u32 reg;
2398
2399 s32 dvbs2_fly_wheel;
2400 s32 inc, timeout_step, trials, steps_max;
2401
2402 /* get params */
2403 stv090x_get_loop_params(state, &inc, &timeout_step, &steps_max);
2404
2405 switch (state->search_mode) {
2406 case STV090x_SEARCH_DVBS1:
2407 case STV090x_SEARCH_DSS:
2408 /* accelerate the frequency detector */
2409 if (state->internal->dev_ver >= 0x20) {
2410 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x3B) < 0)
2411 goto err;
2412 }
2413
2414 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x49) < 0)
2415 goto err;
2416 zigzag = 0;
2417 break;
2418
2419 case STV090x_SEARCH_DVBS2:
2420 if (state->internal->dev_ver >= 0x20) {
2421 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
2422 goto err;
2423 }
2424
2425 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x89) < 0)
2426 goto err;
2427 zigzag = 1;
2428 break;
2429
2430 case STV090x_SEARCH_AUTO:
2431 default:
2432 /* accelerate the frequency detector */
2433 if (state->internal->dev_ver >= 0x20) {
2434 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x3b) < 0)
2435 goto err;
2436 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
2437 goto err;
2438 }
2439
2440 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0xc9) < 0)
2441 goto err;
2442 zigzag = 0;
2443 break;
2444 }
2445
2446 trials = 0;
2447 do {
2448 lock = stv090x_search_car_loop(state, inc, timeout_step, zigzag, steps_max);
2449 no_signal = stv090x_chk_signal(state);
2450 trials++;
2451
2452 /*run the SW search 2 times maximum*/
2453 if (lock || no_signal || (trials == 2)) {
2454 /*Check if the demod is not losing lock in DVBS2*/
2455 if (state->internal->dev_ver >= 0x20) {
2456 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
2457 goto err;
2458 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x9e) < 0)
2459 goto err;
2460 }
2461
2462 reg = STV090x_READ_DEMOD(state, DMDSTATE);
2463 if ((lock) && (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == STV090x_DVBS2)) {
2464 /*Check if the demod is not losing lock in DVBS2*/
2465 msleep(timeout_step);
2466 reg = STV090x_READ_DEMOD(state, DMDFLYW);
2467 dvbs2_fly_wheel = STV090x_GETFIELD_Px(reg, FLYWHEEL_CPT_FIELD);
2468 if (dvbs2_fly_wheel < 0xd) { /*if correct frames is decrementing */
2469 msleep(timeout_step);
2470 reg = STV090x_READ_DEMOD(state, DMDFLYW);
2471 dvbs2_fly_wheel = STV090x_GETFIELD_Px(reg, FLYWHEEL_CPT_FIELD);
2472 }
2473 if (dvbs2_fly_wheel < 0xd) {
2474 /*FALSE lock, The demod is loosing lock */
2475 lock = 0;
2476 if (trials < 2) {
2477 if (state->internal->dev_ver >= 0x20) {
2478 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
2479 goto err;
2480 }
2481
2482 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x89) < 0)
2483 goto err;
2484 }
2485 }
2486 }
2487 }
2488 } while ((!lock) && (trials < 2) && (!no_signal));
2489
2490 return lock;
2491 err:
2492 dprintk(FE_ERROR, 1, "I/O error");
2493 return -1;
2494 }
2495
2496 static enum stv090x_delsys stv090x_get_std(struct stv090x_state *state)
2497 {
2498 u32 reg;
2499 enum stv090x_delsys delsys;
2500
2501 reg = STV090x_READ_DEMOD(state, DMDSTATE);
2502 if (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == 2)
2503 delsys = STV090x_DVBS2;
2504 else if (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == 3) {
2505 reg = STV090x_READ_DEMOD(state, FECM);
2506 if (STV090x_GETFIELD_Px(reg, DSS_DVB_FIELD) == 1)
2507 delsys = STV090x_DSS;
2508 else
2509 delsys = STV090x_DVBS1;
2510 } else {
2511 delsys = STV090x_ERROR;
2512 }
2513
2514 return delsys;
2515 }
2516
2517 /* in Hz */
2518 static s32 stv090x_get_car_freq(struct stv090x_state *state, u32 mclk)
2519 {
2520 s32 derot, int_1, int_2, tmp_1, tmp_2;
2521
2522 derot = STV090x_READ_DEMOD(state, CFR2) << 16;
2523 derot |= STV090x_READ_DEMOD(state, CFR1) << 8;
2524 derot |= STV090x_READ_DEMOD(state, CFR0);
2525
2526 derot = comp2(derot, 24);
2527 int_1 = mclk >> 12;
2528 int_2 = derot >> 12;
2529
2530 /* carrier_frequency = MasterClock * Reg / 2^24 */
2531 tmp_1 = mclk % 0x1000;
2532 tmp_2 = derot % 0x1000;
2533
2534 derot = (int_1 * int_2) +
2535 ((int_1 * tmp_2) >> 12) +
2536 ((int_2 * tmp_1) >> 12);
2537
2538 return derot;
2539 }
2540
2541 static int stv090x_get_viterbi(struct stv090x_state *state)
2542 {
2543 u32 reg, rate;
2544
2545 reg = STV090x_READ_DEMOD(state, VITCURPUN);
2546 rate = STV090x_GETFIELD_Px(reg, VIT_CURPUN_FIELD);
2547
2548 switch (rate) {
2549 case 13:
2550 state->fec = STV090x_PR12;
2551 break;
2552
2553 case 18:
2554 state->fec = STV090x_PR23;
2555 break;
2556
2557 case 21:
2558 state->fec = STV090x_PR34;
2559 break;
2560
2561 case 24:
2562 state->fec = STV090x_PR56;
2563 break;
2564
2565 case 25:
2566 state->fec = STV090x_PR67;
2567 break;
2568
2569 case 26:
2570 state->fec = STV090x_PR78;
2571 break;
2572
2573 default:
2574 state->fec = STV090x_PRERR;
2575 break;
2576 }
2577
2578 return 0;
2579 }
2580
2581 static enum stv090x_signal_state stv090x_get_sig_params(struct stv090x_state *state)
2582 {
2583 struct dvb_frontend *fe = &state->frontend;
2584
2585 u8 tmg;
2586 u32 reg;
2587 s32 i = 0, offst_freq;
2588
2589 msleep(5);
2590
2591 if (state->algo == STV090x_BLIND_SEARCH) {
2592 tmg = STV090x_READ_DEMOD(state, TMGREG2);
2593 STV090x_WRITE_DEMOD(state, SFRSTEP, 0x5c);
2594 while ((i <= 50) && (tmg != 0) && (tmg != 0xff)) {
2595 tmg = STV090x_READ_DEMOD(state, TMGREG2);
2596 msleep(5);
2597 i += 5;
2598 }
2599 }
2600 state->delsys = stv090x_get_std(state);
2601
2602 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
2603 goto err;
2604
2605 if (state->config->tuner_get_frequency) {
2606 if (state->config->tuner_get_frequency(fe, &state->frequency) < 0)
2607 goto err_gateoff;
2608 }
2609
2610 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
2611 goto err;
2612
2613 offst_freq = stv090x_get_car_freq(state, state->internal->mclk) / 1000;
2614 state->frequency += offst_freq;
2615
2616 if (stv090x_get_viterbi(state) < 0)
2617 goto err;
2618
2619 reg = STV090x_READ_DEMOD(state, DMDMODCOD);
2620 state->modcod = STV090x_GETFIELD_Px(reg, DEMOD_MODCOD_FIELD);
2621 state->pilots = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) & 0x01;
2622 state->frame_len = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) >> 1;
2623 reg = STV090x_READ_DEMOD(state, TMGOBS);
2624 state->rolloff = STV090x_GETFIELD_Px(reg, ROLLOFF_STATUS_FIELD);
2625 reg = STV090x_READ_DEMOD(state, FECM);
2626 state->inversion = STV090x_GETFIELD_Px(reg, IQINV_FIELD);
2627
2628 if ((state->algo == STV090x_BLIND_SEARCH) || (state->srate < 10000000)) {
2629
2630 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
2631 goto err;
2632
2633 if (state->config->tuner_get_frequency) {
2634 if (state->config->tuner_get_frequency(fe, &state->frequency) < 0)
2635 goto err_gateoff;
2636 }
2637
2638 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
2639 goto err;
2640
2641 if (abs(offst_freq) <= ((state->search_range / 2000) + 500))
2642 return STV090x_RANGEOK;
2643 else if (abs(offst_freq) <= (stv090x_car_width(state->srate, state->rolloff) / 2000))
2644 return STV090x_RANGEOK;
2645 else
2646 return STV090x_OUTOFRANGE; /* Out of Range */
2647 } else {
2648 if (abs(offst_freq) <= ((state->search_range / 2000) + 500))
2649 return STV090x_RANGEOK;
2650 else
2651 return STV090x_OUTOFRANGE;
2652 }
2653
2654 return STV090x_OUTOFRANGE;
2655
2656 err_gateoff:
2657 stv090x_i2c_gate_ctrl(state, 0);
2658 err:
2659 dprintk(FE_ERROR, 1, "I/O error");
2660 return -1;
2661 }
2662
2663 static u32 stv090x_get_tmgoffst(struct stv090x_state *state, u32 srate)
2664 {
2665 s32 offst_tmg;
2666
2667 offst_tmg = STV090x_READ_DEMOD(state, TMGREG2) << 16;
2668 offst_tmg |= STV090x_READ_DEMOD(state, TMGREG1) << 8;
2669 offst_tmg |= STV090x_READ_DEMOD(state, TMGREG0);
2670
2671 offst_tmg = comp2(offst_tmg, 24); /* 2's complement */
2672 if (!offst_tmg)
2673 offst_tmg = 1;
2674
2675 offst_tmg = ((s32) srate * 10) / ((s32) 0x1000000 / offst_tmg);
2676 offst_tmg /= 320;
2677
2678 return offst_tmg;
2679 }
2680
2681 static u8 stv090x_optimize_carloop(struct stv090x_state *state, enum stv090x_modcod modcod, s32 pilots)
2682 {
2683 u8 aclc = 0x29;
2684 s32 i;
2685 struct stv090x_long_frame_crloop *car_loop, *car_loop_qpsk_low, *car_loop_apsk_low;
2686
2687 if (state->internal->dev_ver == 0x20) {
2688 car_loop = stv090x_s2_crl_cut20;
2689 car_loop_qpsk_low = stv090x_s2_lowqpsk_crl_cut20;
2690 car_loop_apsk_low = stv090x_s2_apsk_crl_cut20;
2691 } else {
2692 /* >= Cut 3 */
2693 car_loop = stv090x_s2_crl_cut30;
2694 car_loop_qpsk_low = stv090x_s2_lowqpsk_crl_cut30;
2695 car_loop_apsk_low = stv090x_s2_apsk_crl_cut30;
2696 }
2697
2698 if (modcod < STV090x_QPSK_12) {
2699 i = 0;
2700 while ((i < 3) && (modcod != car_loop_qpsk_low[i].modcod))
2701 i++;
2702
2703 if (i >= 3)
2704 i = 2;
2705
2706 } else {
2707 i = 0;
2708 while ((i < 14) && (modcod != car_loop[i].modcod))
2709 i++;
2710
2711 if (i >= 14) {
2712 i = 0;
2713 while ((i < 11) && (modcod != car_loop_apsk_low[i].modcod))
2714 i++;
2715
2716 if (i >= 11)
2717 i = 10;
2718 }
2719 }
2720
2721 if (modcod <= STV090x_QPSK_25) {
2722 if (pilots) {
2723 if (state->srate <= 3000000)
2724 aclc = car_loop_qpsk_low[i].crl_pilots_on_2;
2725 else if (state->srate <= 7000000)
2726 aclc = car_loop_qpsk_low[i].crl_pilots_on_5;
2727 else if (state->srate <= 15000000)
2728 aclc = car_loop_qpsk_low[i].crl_pilots_on_10;
2729 else if (state->srate <= 25000000)
2730 aclc = car_loop_qpsk_low[i].crl_pilots_on_20;
2731 else
2732 aclc = car_loop_qpsk_low[i].crl_pilots_on_30;
2733 } else {
2734 if (state->srate <= 3000000)
2735 aclc = car_loop_qpsk_low[i].crl_pilots_off_2;
2736 else if (state->srate <= 7000000)
2737 aclc = car_loop_qpsk_low[i].crl_pilots_off_5;
2738 else if (state->srate <= 15000000)
2739 aclc = car_loop_qpsk_low[i].crl_pilots_off_10;
2740 else if (state->srate <= 25000000)
2741 aclc = car_loop_qpsk_low[i].crl_pilots_off_20;
2742 else
2743 aclc = car_loop_qpsk_low[i].crl_pilots_off_30;
2744 }
2745
2746 } else if (modcod <= STV090x_8PSK_910) {
2747 if (pilots) {
2748 if (state->srate <= 3000000)
2749 aclc = car_loop[i].crl_pilots_on_2;
2750 else if (state->srate <= 7000000)
2751 aclc = car_loop[i].crl_pilots_on_5;
2752 else if (state->srate <= 15000000)
2753 aclc = car_loop[i].crl_pilots_on_10;
2754 else if (state->srate <= 25000000)
2755 aclc = car_loop[i].crl_pilots_on_20;
2756 else
2757 aclc = car_loop[i].crl_pilots_on_30;
2758 } else {
2759 if (state->srate <= 3000000)
2760 aclc = car_loop[i].crl_pilots_off_2;
2761 else if (state->srate <= 7000000)
2762 aclc = car_loop[i].crl_pilots_off_5;
2763 else if (state->srate <= 15000000)
2764 aclc = car_loop[i].crl_pilots_off_10;
2765 else if (state->srate <= 25000000)
2766 aclc = car_loop[i].crl_pilots_off_20;
2767 else
2768 aclc = car_loop[i].crl_pilots_off_30;
2769 }
2770 } else { /* 16APSK and 32APSK */
2771 if (state->srate <= 3000000)
2772 aclc = car_loop_apsk_low[i].crl_pilots_on_2;
2773 else if (state->srate <= 7000000)
2774 aclc = car_loop_apsk_low[i].crl_pilots_on_5;
2775 else if (state->srate <= 15000000)
2776 aclc = car_loop_apsk_low[i].crl_pilots_on_10;
2777 else if (state->srate <= 25000000)
2778 aclc = car_loop_apsk_low[i].crl_pilots_on_20;
2779 else
2780 aclc = car_loop_apsk_low[i].crl_pilots_on_30;
2781 }
2782
2783 return aclc;
2784 }
2785
2786 static u8 stv090x_optimize_carloop_short(struct stv090x_state *state)
2787 {
2788 struct stv090x_short_frame_crloop *short_crl = NULL;
2789 s32 index = 0;
2790 u8 aclc = 0x0b;
2791
2792 switch (state->modulation) {
2793 case STV090x_QPSK:
2794 default:
2795 index = 0;
2796 break;
2797 case STV090x_8PSK:
2798 index = 1;
2799 break;
2800 case STV090x_16APSK:
2801 index = 2;
2802 break;
2803 case STV090x_32APSK:
2804 index = 3;
2805 break;
2806 }
2807
2808 if (state->internal->dev_ver >= 0x30) {
2809 /* Cut 3.0 and up */
2810 short_crl = stv090x_s2_short_crl_cut30;
2811 } else {
2812 /* Cut 2.0 and up: we don't support cuts older than 2.0 */
2813 short_crl = stv090x_s2_short_crl_cut20;
2814 }
2815
2816 if (state->srate <= 3000000)
2817 aclc = short_crl[index].crl_2;
2818 else if (state->srate <= 7000000)
2819 aclc = short_crl[index].crl_5;
2820 else if (state->srate <= 15000000)
2821 aclc = short_crl[index].crl_10;
2822 else if (state->srate <= 25000000)
2823 aclc = short_crl[index].crl_20;
2824 else
2825 aclc = short_crl[index].crl_30;
2826
2827 return aclc;
2828 }
2829
2830 static int stv090x_optimize_track(struct stv090x_state *state)
2831 {
2832 struct dvb_frontend *fe = &state->frontend;
2833
2834 enum stv090x_rolloff rolloff;
2835 enum stv090x_modcod modcod;
2836
2837 s32 srate, pilots, aclc, f_1, f_0, i = 0, blind_tune = 0;
2838 u32 reg;
2839
2840 srate = stv090x_get_srate(state, state->internal->mclk);
2841 srate += stv090x_get_tmgoffst(state, srate);
2842
2843 switch (state->delsys) {
2844 case STV090x_DVBS1:
2845 case STV090x_DSS:
2846 if (state->search_mode == STV090x_SEARCH_AUTO) {
2847 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2848 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
2849 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
2850 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2851 goto err;
2852 }
2853 reg = STV090x_READ_DEMOD(state, DEMOD);
2854 STV090x_SETFIELD_Px(reg, ROLLOFF_CONTROL_FIELD, state->rolloff);
2855 STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 0x01);
2856 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
2857 goto err;
2858
2859 if (state->internal->dev_ver >= 0x30) {
2860 if (stv090x_get_viterbi(state) < 0)
2861 goto err;
2862
2863 if (state->fec == STV090x_PR12) {
2864 if (STV090x_WRITE_DEMOD(state, GAUSSR0, 0x98) < 0)
2865 goto err;
2866 if (STV090x_WRITE_DEMOD(state, CCIR0, 0x18) < 0)
2867 goto err;
2868 } else {
2869 if (STV090x_WRITE_DEMOD(state, GAUSSR0, 0x18) < 0)
2870 goto err;
2871 if (STV090x_WRITE_DEMOD(state, CCIR0, 0x18) < 0)
2872 goto err;
2873 }
2874 }
2875
2876 if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x75) < 0)
2877 goto err;
2878 break;
2879
2880 case STV090x_DVBS2:
2881 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2882 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
2883 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
2884 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2885 goto err;
2886 if (STV090x_WRITE_DEMOD(state, ACLC, 0) < 0)
2887 goto err;
2888 if (STV090x_WRITE_DEMOD(state, BCLC, 0) < 0)
2889 goto err;
2890 if (state->frame_len == STV090x_LONG_FRAME) {
2891 reg = STV090x_READ_DEMOD(state, DMDMODCOD);
2892 modcod = STV090x_GETFIELD_Px(reg, DEMOD_MODCOD_FIELD);
2893 pilots = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) & 0x01;
2894 aclc = stv090x_optimize_carloop(state, modcod, pilots);
2895 if (modcod <= STV090x_QPSK_910) {
2896 STV090x_WRITE_DEMOD(state, ACLC2S2Q, aclc);
2897 } else if (modcod <= STV090x_8PSK_910) {
2898 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2899 goto err;
2900 if (STV090x_WRITE_DEMOD(state, ACLC2S28, aclc) < 0)
2901 goto err;
2902 }
2903 if ((state->demod_mode == STV090x_SINGLE) && (modcod > STV090x_8PSK_910)) {
2904 if (modcod <= STV090x_16APSK_910) {
2905 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2906 goto err;
2907 if (STV090x_WRITE_DEMOD(state, ACLC2S216A, aclc) < 0)
2908 goto err;
2909 } else {
2910 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2911 goto err;
2912 if (STV090x_WRITE_DEMOD(state, ACLC2S232A, aclc) < 0)
2913 goto err;
2914 }
2915 }
2916 } else {
2917 /*Carrier loop setting for short frame*/
2918 aclc = stv090x_optimize_carloop_short(state);
2919 if (state->modulation == STV090x_QPSK) {
2920 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, aclc) < 0)
2921 goto err;
2922 } else if (state->modulation == STV090x_8PSK) {
2923 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2924 goto err;
2925 if (STV090x_WRITE_DEMOD(state, ACLC2S28, aclc) < 0)
2926 goto err;
2927 } else if (state->modulation == STV090x_16APSK) {
2928 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2929 goto err;
2930 if (STV090x_WRITE_DEMOD(state, ACLC2S216A, aclc) < 0)
2931 goto err;
2932 } else if (state->modulation == STV090x_32APSK) {
2933 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2934 goto err;
2935 if (STV090x_WRITE_DEMOD(state, ACLC2S232A, aclc) < 0)
2936 goto err;
2937 }
2938 }
2939
2940 STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x67); /* PER */
2941 break;
2942
2943 case STV090x_UNKNOWN:
2944 default:
2945 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2946 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
2947 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
2948 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2949 goto err;
2950 break;
2951 }
2952
2953 f_1 = STV090x_READ_DEMOD(state, CFR2);
2954 f_0 = STV090x_READ_DEMOD(state, CFR1);
2955 reg = STV090x_READ_DEMOD(state, TMGOBS);
2956 rolloff = STV090x_GETFIELD_Px(reg, ROLLOFF_STATUS_FIELD);
2957
2958 if (state->algo == STV090x_BLIND_SEARCH) {
2959 STV090x_WRITE_DEMOD(state, SFRSTEP, 0x00);
2960 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2961 STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0x00);
2962 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00);
2963 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2964 goto err;
2965 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0)
2966 goto err;
2967
2968 if (stv090x_set_srate(state, srate) < 0)
2969 goto err;
2970 blind_tune = 1;
2971
2972 if (stv090x_dvbs_track_crl(state) < 0)
2973 goto err;
2974 }
2975
2976 if (state->internal->dev_ver >= 0x20) {
2977 if ((state->search_mode == STV090x_SEARCH_DVBS1) ||
2978 (state->search_mode == STV090x_SEARCH_DSS) ||
2979 (state->search_mode == STV090x_SEARCH_AUTO)) {
2980
2981 if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x0a) < 0)
2982 goto err;
2983 if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x00) < 0)
2984 goto err;
2985 }
2986 }
2987
2988 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
2989 goto err;
2990
2991 /* AUTO tracking MODE */
2992 if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x80) < 0)
2993 goto err;
2994 /* AUTO tracking MODE */
2995 if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x80) < 0)
2996 goto err;
2997
2998 if ((state->internal->dev_ver >= 0x20) || (blind_tune == 1) ||
2999 (state->srate < 10000000)) {
3000 /* update initial carrier freq with the found freq offset */
3001 if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
3002 goto err;
3003 if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
3004 goto err;
3005 state->tuner_bw = stv090x_car_width(srate, state->rolloff) + 10000000;
3006
3007 if ((state->internal->dev_ver >= 0x20) || (blind_tune == 1)) {
3008
3009 if (state->algo != STV090x_WARM_SEARCH) {
3010
3011 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
3012 goto err;
3013
3014 if (state->config->tuner_set_bandwidth) {
3015 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
3016 goto err_gateoff;
3017 }
3018
3019 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
3020 goto err;
3021
3022 }
3023 }
3024 if ((state->algo == STV090x_BLIND_SEARCH) || (state->srate < 10000000))
3025 msleep(50); /* blind search: wait 50ms for SR stabilization */
3026 else
3027 msleep(5);
3028
3029 stv090x_get_lock_tmg(state);
3030
3031 if (!(stv090x_get_dmdlock(state, (state->DemodTimeout / 2)))) {
3032 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
3033 goto err;
3034 if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
3035 goto err;
3036 if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
3037 goto err;
3038 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
3039 goto err;
3040
3041 i = 0;
3042
3043 while ((!(stv090x_get_dmdlock(state, (state->DemodTimeout / 2)))) && (i <= 2)) {
3044
3045 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
3046 goto err;
3047 if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
3048 goto err;
3049 if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
3050 goto err;
3051 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
3052 goto err;
3053 i++;
3054 }
3055 }
3056
3057 }
3058
3059 if (state->internal->dev_ver >= 0x20) {
3060 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
3061 goto err;
3062 }
3063
3064 if ((state->delsys == STV090x_DVBS1) || (state->delsys == STV090x_DSS))
3065 stv090x_set_vit_thtracq(state);
3066
3067 return 0;
3068
3069 err_gateoff:
3070 stv090x_i2c_gate_ctrl(state, 0);
3071 err:
3072 dprintk(FE_ERROR, 1, "I/O error");
3073 return -1;
3074 }
3075
3076 static int stv090x_get_feclock(struct stv090x_state *state, s32 timeout)
3077 {
3078 s32 timer = 0, lock = 0, stat;
3079 u32 reg;
3080
3081 while ((timer < timeout) && (!lock)) {
3082 reg = STV090x_READ_DEMOD(state, DMDSTATE);
3083 stat = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
3084
3085 switch (stat) {
3086 case 0: /* searching */
3087 case 1: /* first PLH detected */
3088 default:
3089 lock = 0;
3090 break;
3091
3092 case 2: /* DVB-S2 mode */
3093 reg = STV090x_READ_DEMOD(state, PDELSTATUS1);
3094 lock = STV090x_GETFIELD_Px(reg, PKTDELIN_LOCK_FIELD);
3095 break;
3096
3097 case 3: /* DVB-S1/legacy mode */
3098 reg = STV090x_READ_DEMOD(state, VSTATUSVIT);
3099 lock = STV090x_GETFIELD_Px(reg, LOCKEDVIT_FIELD);
3100 break;
3101 }
3102 if (!lock) {
3103 msleep(10);
3104 timer += 10;
3105 }
3106 }
3107 return lock;
3108 }
3109
3110 static int stv090x_get_lock(struct stv090x_state *state, s32 timeout_dmd, s32 timeout_fec)
3111 {
3112 u32 reg;
3113 s32 timer = 0;
3114 int lock;
3115
3116 lock = stv090x_get_dmdlock(state, timeout_dmd);
3117 if (lock)
3118 lock = stv090x_get_feclock(state, timeout_fec);
3119
3120 if (lock) {
3121 lock = 0;
3122
3123 while ((timer < timeout_fec) && (!lock)) {
3124 reg = STV090x_READ_DEMOD(state, TSSTATUS);
3125 lock = STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD);
3126 msleep(1);
3127 timer++;
3128 }
3129 }
3130
3131 return lock;
3132 }
3133
3134 static int stv090x_set_s2rolloff(struct stv090x_state *state)
3135 {
3136 u32 reg;
3137
3138 if (state->internal->dev_ver <= 0x20) {
3139 /* rolloff to auto mode if DVBS2 */
3140 reg = STV090x_READ_DEMOD(state, DEMOD);
3141 STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 0x00);
3142 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
3143 goto err;
3144 } else {
3145 /* DVB-S2 rolloff to auto mode if DVBS2 */
3146 reg = STV090x_READ_DEMOD(state, DEMOD);
3147 STV090x_SETFIELD_Px(reg, MANUAL_S2ROLLOFF_FIELD, 0x00);
3148 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
3149 goto err;
3150 }
3151 return 0;
3152 err:
3153 dprintk(FE_ERROR, 1, "I/O error");
3154 return -1;
3155 }
3156
3157
3158 static enum stv090x_signal_state stv090x_algo(struct stv090x_state *state)
3159 {
3160 struct dvb_frontend *fe = &state->frontend;
3161 enum stv090x_signal_state signal_state = STV090x_NOCARRIER;
3162 u32 reg;
3163 s32 agc1_power, power_iq = 0, i;
3164 int lock = 0, low_sr = 0, no_signal = 0;
3165
3166 reg = STV090x_READ_DEMOD(state, TSCFGH);
3167 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 1); /* Stop path 1 stream merger */
3168 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3169 goto err;
3170
3171 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5c) < 0) /* Demod stop */
3172 goto err;
3173
3174 if (state->internal->dev_ver >= 0x20) {
3175 if (state->srate > 5000000) {
3176 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x9e) < 0)
3177 goto err;
3178 } else {
3179 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x82) < 0)
3180 goto err;
3181 }
3182 }
3183
3184 stv090x_get_lock_tmg(state);
3185
3186 if (state->algo == STV090x_BLIND_SEARCH) {
3187 state->tuner_bw = 2 * 36000000; /* wide bw for unknown srate */
3188 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc0) < 0) /* wider srate scan */
3189 goto err;
3190 if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x70) < 0)
3191 goto err;
3192 if (stv090x_set_srate(state, 1000000) < 0) /* inital srate = 1Msps */
3193 goto err;
3194 } else {
3195 /* known srate */
3196 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x20) < 0)
3197 goto err;
3198 if (STV090x_WRITE_DEMOD(state, TMGCFG, 0xd2) < 0)
3199 goto err;
3200
3201 if (state->srate < 2000000) {
3202 /* SR < 2MSPS */
3203 if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x63) < 0)
3204 goto err;
3205 } else {
3206 /* SR >= 2Msps */
3207 if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x70) < 0)
3208 goto err;
3209 }
3210
3211 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
3212 goto err;
3213
3214 if (state->internal->dev_ver >= 0x20) {
3215 if (STV090x_WRITE_DEMOD(state, KREFTMG, 0x5a) < 0)
3216 goto err;
3217 if (state->algo == STV090x_COLD_SEARCH)
3218 state->tuner_bw = (15 * (stv090x_car_width(state->srate, state->rolloff) + 10000000)) / 10;
3219 else if (state->algo == STV090x_WARM_SEARCH)
3220 state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + 10000000;
3221 }
3222
3223 /* if cold start or warm (Symbolrate is known)
3224 * use a Narrow symbol rate scan range
3225 */
3226 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0) /* narrow srate scan */
3227 goto err;
3228
3229 if (stv090x_set_srate(state, state->srate) < 0)
3230 goto err;
3231
3232 if (stv090x_set_max_srate(state, state->internal->mclk,
3233 state->srate) < 0)
3234 goto err;
3235 if (stv090x_set_min_srate(state, state->internal->mclk,
3236 state->srate) < 0)
3237 goto err;
3238
3239 if (state->srate >= 10000000)
3240 low_sr = 0;
3241 else
3242 low_sr = 1;
3243 }
3244
3245 /* Setup tuner */
3246 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
3247 goto err;
3248
3249 if (state->config->tuner_set_bbgain) {
3250 reg = state->config->tuner_bbgain;
3251 if (reg == 0)
3252 reg = 10; /* default: 10dB */
3253 if (state->config->tuner_set_bbgain(fe, reg) < 0)
3254 goto err_gateoff;
3255 }
3256
3257 if (state->config->tuner_set_frequency) {
3258 if (state->config->tuner_set_frequency(fe, state->frequency) < 0)
3259 goto err_gateoff;
3260 }
3261
3262 if (state->config->tuner_set_bandwidth) {
3263 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
3264 goto err_gateoff;
3265 }
3266
3267 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
3268 goto err;
3269
3270 msleep(50);
3271
3272 if (state->config->tuner_get_status) {
3273 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
3274 goto err;
3275 if (state->config->tuner_get_status(fe, &reg) < 0)
3276 goto err_gateoff;
3277 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
3278 goto err;
3279
3280 if (reg)
3281 dprintk(FE_DEBUG, 1, "Tuner phase locked");
3282 else {
3283 dprintk(FE_DEBUG, 1, "Tuner unlocked");
3284 return STV090x_NOCARRIER;
3285 }
3286 }
3287
3288 msleep(10);
3289 agc1_power = MAKEWORD16(STV090x_READ_DEMOD(state, AGCIQIN1),
3290 STV090x_READ_DEMOD(state, AGCIQIN0));
3291
3292 if (agc1_power == 0) {
3293 /* If AGC1 integrator value is 0
3294 * then read POWERI, POWERQ
3295 */
3296 for (i = 0; i < 5; i++) {
3297 power_iq += (STV090x_READ_DEMOD(state, POWERI) +
3298 STV090x_READ_DEMOD(state, POWERQ)) >> 1;
3299 }
3300 power_iq /= 5;
3301 }
3302
3303 if ((agc1_power == 0) && (power_iq < STV090x_IQPOWER_THRESHOLD)) {
3304 dprintk(FE_ERROR, 1, "No Signal: POWER_IQ=0x%02x", power_iq);
3305 lock = 0;
3306 signal_state = STV090x_NOAGC1;
3307 } else {
3308 reg = STV090x_READ_DEMOD(state, DEMOD);
3309 STV090x_SETFIELD_Px(reg, SPECINV_CONTROL_FIELD, state->inversion);
3310
3311 if (state->internal->dev_ver <= 0x20) {
3312 /* rolloff to auto mode if DVBS2 */
3313 STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 1);
3314 } else {
3315 /* DVB-S2 rolloff to auto mode if DVBS2 */
3316 STV090x_SETFIELD_Px(reg, MANUAL_S2ROLLOFF_FIELD, 1);
3317 }
3318 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
3319 goto err;
3320
3321 if (stv090x_delivery_search(state) < 0)
3322 goto err;
3323
3324 if (state->algo != STV090x_BLIND_SEARCH) {
3325 if (stv090x_start_search(state) < 0)
3326 goto err;
3327 }
3328 }
3329
3330 if (signal_state == STV090x_NOAGC1)
3331 return signal_state;
3332
3333 if (state->algo == STV090x_BLIND_SEARCH)
3334 lock = stv090x_blind_search(state);
3335
3336 else if (state->algo == STV090x_COLD_SEARCH)
3337 lock = stv090x_get_coldlock(state, state->DemodTimeout);
3338
3339 else if (state->algo == STV090x_WARM_SEARCH)
3340 lock = stv090x_get_dmdlock(state, state->DemodTimeout);
3341
3342 if ((!lock) && (state->algo == STV090x_COLD_SEARCH)) {
3343 if (!low_sr) {
3344 if (stv090x_chk_tmg(state))
3345 lock = stv090x_sw_algo(state);
3346 }
3347 }
3348
3349 if (lock)
3350 signal_state = stv090x_get_sig_params(state);
3351
3352 if ((lock) && (signal_state == STV090x_RANGEOK)) { /* signal within Range */
3353 stv090x_optimize_track(state);
3354
3355 if (state->internal->dev_ver >= 0x20) {
3356 /* >= Cut 2.0 :release TS reset after
3357 * demod lock and optimized Tracking
3358 */
3359 reg = STV090x_READ_DEMOD(state, TSCFGH);
3360 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0); /* release merger reset */
3361 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3362 goto err;
3363
3364 msleep(3);
3365
3366 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 1); /* merger reset */
3367 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3368 goto err;
3369
3370 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0); /* release merger reset */
3371 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3372 goto err;
3373 }
3374
3375 lock = stv090x_get_lock(state, state->FecTimeout,
3376 state->FecTimeout);
3377 if (lock) {
3378 if (state->delsys == STV090x_DVBS2) {
3379 stv090x_set_s2rolloff(state);
3380
3381 reg = STV090x_READ_DEMOD(state, PDELCTRL2);
3382 STV090x_SETFIELD_Px(reg, RESET_UPKO_COUNT, 1);
3383 if (STV090x_WRITE_DEMOD(state, PDELCTRL2, reg) < 0)
3384 goto err;
3385 /* Reset DVBS2 packet delinator error counter */
3386 reg = STV090x_READ_DEMOD(state, PDELCTRL2);
3387 STV090x_SETFIELD_Px(reg, RESET_UPKO_COUNT, 0);
3388 if (STV090x_WRITE_DEMOD(state, PDELCTRL2, reg) < 0)
3389 goto err;
3390
3391 if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x67) < 0) /* PER */
3392 goto err;
3393 } else {
3394 if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x75) < 0)
3395 goto err;
3396 }
3397 /* Reset the Total packet counter */
3398 if (STV090x_WRITE_DEMOD(state, FBERCPT4, 0x00) < 0)
3399 goto err;
3400 /* Reset the packet Error counter2 */
3401 if (STV090x_WRITE_DEMOD(state, ERRCTRL2, 0xc1) < 0)
3402 goto err;
3403 } else {
3404 signal_state = STV090x_NODATA;
3405 no_signal = stv090x_chk_signal(state);
3406 }
3407 }
3408 return signal_state;
3409
3410 err_gateoff:
3411 stv090x_i2c_gate_ctrl(state, 0);
3412 err:
3413 dprintk(FE_ERROR, 1, "I/O error");
3414 return -1;
3415 }
3416
3417 static enum dvbfe_search stv090x_search(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
3418 {
3419 struct stv090x_state *state = fe->demodulator_priv;
3420 struct dtv_frontend_properties *props = &fe->dtv_property_cache;
3421
3422 if (p->frequency == 0)
3423 return DVBFE_ALGO_SEARCH_INVALID;
3424
3425 state->delsys = props->delivery_system;
3426 state->frequency = p->frequency;
3427 state->srate = p->u.qpsk.symbol_rate;
3428 state->search_mode = STV090x_SEARCH_AUTO;
3429 state->algo = STV090x_COLD_SEARCH;
3430 state->fec = STV090x_PRERR;
3431 if (state->srate > 10000000) {
3432 dprintk(FE_DEBUG, 1, "Search range: 10 MHz");
3433 state->search_range = 10000000;
3434 } else {
3435 dprintk(FE_DEBUG, 1, "Search range: 5 MHz");
3436 state->search_range = 5000000;
3437 }
3438
3439 if (stv090x_algo(state) == STV090x_RANGEOK) {
3440 dprintk(FE_DEBUG, 1, "Search success!");
3441 return DVBFE_ALGO_SEARCH_SUCCESS;
3442 } else {
3443 dprintk(FE_DEBUG, 1, "Search failed!");
3444 return DVBFE_ALGO_SEARCH_FAILED;
3445 }
3446
3447 return DVBFE_ALGO_SEARCH_ERROR;
3448 }
3449
3450 static int stv090x_read_status(struct dvb_frontend *fe, enum fe_status *status)
3451 {
3452 struct stv090x_state *state = fe->demodulator_priv;
3453 u32 reg;
3454 u8 search_state;
3455
3456 reg = STV090x_READ_DEMOD(state, DMDSTATE);
3457 search_state = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
3458
3459 switch (search_state) {
3460 case 0: /* searching */
3461 case 1: /* first PLH detected */
3462 default:
3463 dprintk(FE_DEBUG, 1, "Status: Unlocked (Searching ..)");
3464 *status = 0;
3465 break;
3466
3467 case 2: /* DVB-S2 mode */
3468 dprintk(FE_DEBUG, 1, "Delivery system: DVB-S2");
3469 reg = STV090x_READ_DEMOD(state, DSTATUS);
3470 if (STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD)) {
3471 reg = STV090x_READ_DEMOD(state, PDELSTATUS1);
3472 if (STV090x_GETFIELD_Px(reg, PKTDELIN_LOCK_FIELD)) {
3473 reg = STV090x_READ_DEMOD(state, TSSTATUS);
3474 if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD)) {
3475 *status = FE_HAS_SIGNAL |
3476 FE_HAS_CARRIER |
3477 FE_HAS_VITERBI |
3478 FE_HAS_SYNC |
3479 FE_HAS_LOCK;
3480 }
3481 }
3482 }
3483 break;
3484
3485 case 3: /* DVB-S1/legacy mode */
3486 dprintk(FE_DEBUG, 1, "Delivery system: DVB-S");
3487 reg = STV090x_READ_DEMOD(state, DSTATUS);
3488 if (STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD)) {
3489 reg = STV090x_READ_DEMOD(state, VSTATUSVIT);
3490 if (STV090x_GETFIELD_Px(reg, LOCKEDVIT_FIELD)) {
3491 reg = STV090x_READ_DEMOD(state, TSSTATUS);
3492 if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD)) {
3493 *status = FE_HAS_SIGNAL |
3494 FE_HAS_CARRIER |
3495 FE_HAS_VITERBI |
3496 FE_HAS_SYNC |
3497 FE_HAS_LOCK;
3498 }
3499 }
3500 }
3501 break;
3502 }
3503
3504 return 0;
3505 }
3506
3507 static int stv090x_read_per(struct dvb_frontend *fe, u32 *per)
3508 {
3509 struct stv090x_state *state = fe->demodulator_priv;
3510
3511 s32 count_4, count_3, count_2, count_1, count_0, count;
3512 u32 reg, h, m, l;
3513 enum fe_status status;
3514
3515 stv090x_read_status(fe, &status);
3516 if (!(status & FE_HAS_LOCK)) {
3517 *per = 1 << 23; /* Max PER */
3518 } else {
3519 /* Counter 2 */
3520 reg = STV090x_READ_DEMOD(state, ERRCNT22);
3521 h = STV090x_GETFIELD_Px(reg, ERR_CNT2_FIELD);
3522
3523 reg = STV090x_READ_DEMOD(state, ERRCNT21);
3524 m = STV090x_GETFIELD_Px(reg, ERR_CNT21_FIELD);
3525
3526 reg = STV090x_READ_DEMOD(state, ERRCNT20);
3527 l = STV090x_GETFIELD_Px(reg, ERR_CNT20_FIELD);
3528
3529 *per = ((h << 16) | (m << 8) | l);
3530
3531 count_4 = STV090x_READ_DEMOD(state, FBERCPT4);
3532 count_3 = STV090x_READ_DEMOD(state, FBERCPT3);
3533 count_2 = STV090x_READ_DEMOD(state, FBERCPT2);
3534 count_1 = STV090x_READ_DEMOD(state, FBERCPT1);
3535 count_0 = STV090x_READ_DEMOD(state, FBERCPT0);
3536
3537 if ((!count_4) && (!count_3)) {
3538 count = (count_2 & 0xff) << 16;
3539 count |= (count_1 & 0xff) << 8;
3540 count |= count_0 & 0xff;
3541 } else {
3542 count = 1 << 24;
3543 }
3544 if (count == 0)
3545 *per = 1;
3546 }
3547 if (STV090x_WRITE_DEMOD(state, FBERCPT4, 0) < 0)
3548 goto err;
3549 if (STV090x_WRITE_DEMOD(state, ERRCTRL2, 0xc1) < 0)
3550 goto err;
3551
3552 return 0;
3553 err:
3554 dprintk(FE_ERROR, 1, "I/O error");
3555 return -1;
3556 }
3557
3558 static int stv090x_table_lookup(const struct stv090x_tab *tab, int max, int val)
3559 {
3560 int res = 0;
3561 int min = 0, med;
3562
3563 if ((val >= tab[min].read && val < tab[max].read) ||
3564 (val >= tab[max].read && val < tab[min].read)) {
3565 while ((max - min) > 1) {
3566 med = (max + min) / 2;
3567 if ((val >= tab[min].read && val < tab[med].read) ||
3568 (val >= tab[med].read && val < tab[min].read))
3569 max = med;
3570 else
3571 min = med;
3572 }
3573 res = ((val - tab[min].read) *
3574 (tab[max].real - tab[min].real) /
3575 (tab[max].read - tab[min].read)) +
3576 tab[min].real;
3577 } else {
3578 if (tab[min].read < tab[max].read) {
3579 if (val < tab[min].read)
3580 res = tab[min].real;
3581 else if (val >= tab[max].read)
3582 res = tab[max].real;
3583 } else {
3584 if (val >= tab[min].read)
3585 res = tab[min].real;
3586 else if (val < tab[max].read)
3587 res = tab[max].real;
3588 }
3589 }
3590
3591 return res;
3592 }
3593
3594 static int stv090x_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
3595 {
3596 struct stv090x_state *state = fe->demodulator_priv;
3597 u32 reg;
3598 s32 agc_0, agc_1, agc;
3599 s32 str;
3600
3601 reg = STV090x_READ_DEMOD(state, AGCIQIN1);
3602 agc_1 = STV090x_GETFIELD_Px(reg, AGCIQ_VALUE_FIELD);
3603 reg = STV090x_READ_DEMOD(state, AGCIQIN0);
3604 agc_0 = STV090x_GETFIELD_Px(reg, AGCIQ_VALUE_FIELD);
3605 agc = MAKEWORD16(agc_1, agc_0);
3606
3607 str = stv090x_table_lookup(stv090x_rf_tab,
3608 ARRAY_SIZE(stv090x_rf_tab) - 1, agc);
3609 if (agc > stv090x_rf_tab[0].read)
3610 str = 0;
3611 else if (agc < stv090x_rf_tab[ARRAY_SIZE(stv090x_rf_tab) - 1].read)
3612 str = -100;
3613 *strength = (str + 100) * 0xFFFF / 100;
3614
3615 return 0;
3616 }
3617
3618 static int stv090x_read_cnr(struct dvb_frontend *fe, u16 *cnr)
3619 {
3620 struct stv090x_state *state = fe->demodulator_priv;
3621 u32 reg_0, reg_1, reg, i;
3622 s32 val_0, val_1, val = 0;
3623 u8 lock_f;
3624 s32 div;
3625 u32 last;
3626
3627 switch (state->delsys) {
3628 case STV090x_DVBS2:
3629 reg = STV090x_READ_DEMOD(state, DSTATUS);
3630 lock_f = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
3631 if (lock_f) {
3632 msleep(5);
3633 for (i = 0; i < 16; i++) {
3634 reg_1 = STV090x_READ_DEMOD(state, NNOSPLHT1);
3635 val_1 = STV090x_GETFIELD_Px(reg_1, NOSPLHT_NORMED_FIELD);
3636 reg_0 = STV090x_READ_DEMOD(state, NNOSPLHT0);
3637 val_0 = STV090x_GETFIELD_Px(reg_0, NOSPLHT_NORMED_FIELD);
3638 val += MAKEWORD16(val_1, val_0);
3639 msleep(1);
3640 }
3641 val /= 16;
3642 last = ARRAY_SIZE(stv090x_s2cn_tab) - 1;
3643 div = stv090x_s2cn_tab[0].read -
3644 stv090x_s2cn_tab[last].read;
3645 *cnr = 0xFFFF - ((val * 0xFFFF) / div);
3646 }
3647 break;
3648
3649 case STV090x_DVBS1:
3650 case STV090x_DSS:
3651 reg = STV090x_READ_DEMOD(state, DSTATUS);
3652 lock_f = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
3653 if (lock_f) {
3654 msleep(5);
3655 for (i = 0; i < 16; i++) {
3656 reg_1 = STV090x_READ_DEMOD(state, NOSDATAT1);
3657 val_1 = STV090x_GETFIELD_Px(reg_1, NOSDATAT_UNNORMED_FIELD);
3658 reg_0 = STV090x_READ_DEMOD(state, NOSDATAT0);
3659 val_0 = STV090x_GETFIELD_Px(reg_0, NOSDATAT_UNNORMED_FIELD);
3660 val += MAKEWORD16(val_1, val_0);
3661 msleep(1);
3662 }
3663 val /= 16;
3664 last = ARRAY_SIZE(stv090x_s1cn_tab) - 1;
3665 div = stv090x_s1cn_tab[0].read -
3666 stv090x_s1cn_tab[last].read;
3667 *cnr = 0xFFFF - ((val * 0xFFFF) / div);
3668 }
3669 break;
3670 default:
3671 break;
3672 }
3673
3674 return 0;
3675 }
3676
3677 static int stv090x_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
3678 {
3679 struct stv090x_state *state = fe->demodulator_priv;
3680 u32 reg;
3681
3682 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3683 switch (tone) {
3684 case SEC_TONE_ON:
3685 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 0);
3686 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3687 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3688 goto err;
3689 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
3690 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3691 goto err;
3692 break;
3693
3694 case SEC_TONE_OFF:
3695 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 0);
3696 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3697 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3698 goto err;
3699 break;
3700 default:
3701 return -EINVAL;
3702 }
3703
3704 return 0;
3705 err:
3706 dprintk(FE_ERROR, 1, "I/O error");
3707 return -1;
3708 }
3709
3710
3711 static enum dvbfe_algo stv090x_frontend_algo(struct dvb_frontend *fe)
3712 {
3713 return DVBFE_ALGO_CUSTOM;
3714 }
3715
3716 static int stv090x_send_diseqc_msg(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
3717 {
3718 struct stv090x_state *state = fe->demodulator_priv;
3719 u32 reg, idle = 0, fifo_full = 1;
3720 int i;
3721
3722 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3723
3724 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD,
3725 (state->config->diseqc_envelope_mode) ? 4 : 2);
3726 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3727 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3728 goto err;
3729 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
3730 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3731 goto err;
3732
3733 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 1);
3734 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3735 goto err;
3736
3737 for (i = 0; i < cmd->msg_len; i++) {
3738
3739 while (fifo_full) {
3740 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3741 fifo_full = STV090x_GETFIELD_Px(reg, FIFO_FULL_FIELD);
3742 }
3743
3744 if (STV090x_WRITE_DEMOD(state, DISTXDATA, cmd->msg[i]) < 0)
3745 goto err;
3746 }
3747 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3748 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 0);
3749 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3750 goto err;
3751
3752 i = 0;
3753
3754 while ((!idle) && (i < 10)) {
3755 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3756 idle = STV090x_GETFIELD_Px(reg, TX_IDLE_FIELD);
3757 msleep(10);
3758 i++;
3759 }
3760
3761 return 0;
3762 err:
3763 dprintk(FE_ERROR, 1, "I/O error");
3764 return -1;
3765 }
3766
3767 static int stv090x_send_diseqc_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t burst)
3768 {
3769 struct stv090x_state *state = fe->demodulator_priv;
3770 u32 reg, idle = 0, fifo_full = 1;
3771 u8 mode, value;
3772 int i;
3773
3774 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3775
3776 if (burst == SEC_MINI_A) {
3777 mode = (state->config->diseqc_envelope_mode) ? 5 : 3;
3778 value = 0x00;
3779 } else {
3780 mode = (state->config->diseqc_envelope_mode) ? 4 : 2;
3781 value = 0xFF;
3782 }
3783
3784 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, mode);
3785 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3786 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3787 goto err;
3788 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
3789 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3790 goto err;
3791
3792 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 1);
3793 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3794 goto err;
3795
3796 while (fifo_full) {
3797 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3798 fifo_full = STV090x_GETFIELD_Px(reg, FIFO_FULL_FIELD);
3799 }
3800
3801 if (STV090x_WRITE_DEMOD(state, DISTXDATA, value) < 0)
3802 goto err;
3803
3804 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3805 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 0);
3806 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3807 goto err;
3808
3809 i = 0;
3810
3811 while ((!idle) && (i < 10)) {
3812 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3813 idle = STV090x_GETFIELD_Px(reg, TX_IDLE_FIELD);
3814 msleep(10);
3815 i++;
3816 }
3817
3818 return 0;
3819 err:
3820 dprintk(FE_ERROR, 1, "I/O error");
3821 return -1;
3822 }
3823
3824 static int stv090x_recv_slave_reply(struct dvb_frontend *fe, struct dvb_diseqc_slave_reply *reply)
3825 {
3826 struct stv090x_state *state = fe->demodulator_priv;
3827 u32 reg = 0, i = 0, rx_end = 0;
3828
3829 while ((rx_end != 1) && (i < 10)) {
3830 msleep(10);
3831 i++;
3832 reg = STV090x_READ_DEMOD(state, DISRX_ST0);
3833 rx_end = STV090x_GETFIELD_Px(reg, RX_END_FIELD);
3834 }
3835
3836 if (rx_end) {
3837 reply->msg_len = STV090x_GETFIELD_Px(reg, FIFO_BYTENBR_FIELD);
3838 for (i = 0; i < reply->msg_len; i++)
3839 reply->msg[i] = STV090x_READ_DEMOD(state, DISRXDATA);
3840 }
3841
3842 return 0;
3843 }
3844
3845 static int stv090x_sleep(struct dvb_frontend *fe)
3846 {
3847 struct stv090x_state *state = fe->demodulator_priv;
3848 u32 reg;
3849
3850 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
3851 goto err;
3852
3853 if (state->config->tuner_sleep) {
3854 if (state->config->tuner_sleep(fe) < 0)
3855 goto err_gateoff;
3856 }
3857
3858 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
3859 goto err;
3860
3861 dprintk(FE_DEBUG, 1, "Set %s to sleep",
3862 state->device == STV0900 ? "STV0900" : "STV0903");
3863
3864 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
3865 STV090x_SETFIELD(reg, STANDBY_FIELD, 0x01);
3866 if (stv090x_write_reg(state, STV090x_SYNTCTRL, reg) < 0)
3867 goto err;
3868
3869 reg = stv090x_read_reg(state, STV090x_TSTTNR1);
3870 STV090x_SETFIELD(reg, ADC1_PON_FIELD, 0);
3871 if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
3872 goto err;
3873
3874 return 0;
3875
3876 err_gateoff:
3877 stv090x_i2c_gate_ctrl(state, 0);
3878 err:
3879 dprintk(FE_ERROR, 1, "I/O error");
3880 return -1;
3881 }
3882
3883 static int stv090x_wakeup(struct dvb_frontend *fe)
3884 {
3885 struct stv090x_state *state = fe->demodulator_priv;
3886 u32 reg;
3887
3888 dprintk(FE_DEBUG, 1, "Wake %s from standby",
3889 state->device == STV0900 ? "STV0900" : "STV0903");
3890
3891 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
3892 STV090x_SETFIELD(reg, STANDBY_FIELD, 0x00);
3893 if (stv090x_write_reg(state, STV090x_SYNTCTRL, reg) < 0)
3894 goto err;
3895
3896 reg = stv090x_read_reg(state, STV090x_TSTTNR1);
3897 STV090x_SETFIELD(reg, ADC1_PON_FIELD, 1);
3898 if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
3899 goto err;
3900
3901 return 0;
3902 err:
3903 dprintk(FE_ERROR, 1, "I/O error");
3904 return -1;
3905 }
3906
3907 static void stv090x_release(struct dvb_frontend *fe)
3908 {
3909 struct stv090x_state *state = fe->demodulator_priv;
3910
3911 state->internal->num_used--;
3912 if (state->internal->num_used <= 0) {
3913
3914 dprintk(FE_ERROR, 1, "Actually removing");
3915
3916 remove_dev(state->internal);
3917 kfree(state->internal);
3918 }
3919
3920 kfree(state);
3921 }
3922
3923 static int stv090x_ldpc_mode(struct stv090x_state *state, enum stv090x_mode ldpc_mode)
3924 {
3925 u32 reg = 0;
3926
3927 reg = stv090x_read_reg(state, STV090x_GENCFG);
3928
3929 switch (ldpc_mode) {
3930 case STV090x_DUAL:
3931 default:
3932 if ((state->demod_mode != STV090x_DUAL) || (STV090x_GETFIELD(reg, DDEMOD_FIELD) != 1)) {
3933 /* set LDPC to dual mode */
3934 if (stv090x_write_reg(state, STV090x_GENCFG, 0x1d) < 0)
3935 goto err;
3936
3937 state->demod_mode = STV090x_DUAL;
3938
3939 reg = stv090x_read_reg(state, STV090x_TSTRES0);
3940 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x1);
3941 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
3942 goto err;
3943 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x0);
3944 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
3945 goto err;
3946
3947 if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
3948 goto err;
3949 if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xff) < 0)
3950 goto err;
3951 if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xff) < 0)
3952 goto err;
3953 if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xff) < 0)
3954 goto err;
3955 if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xff) < 0)
3956 goto err;
3957 if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xff) < 0)
3958 goto err;
3959 if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xff) < 0)
3960 goto err;
3961
3962 if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xcc) < 0)
3963 goto err;
3964 if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xcc) < 0)
3965 goto err;
3966 if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xcc) < 0)
3967 goto err;
3968 if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xcc) < 0)
3969 goto err;
3970 if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xcc) < 0)
3971 goto err;
3972 if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xcc) < 0)
3973 goto err;
3974 if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xcc) < 0)
3975 goto err;
3976
3977 if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xff) < 0)
3978 goto err;
3979 if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xcf) < 0)
3980 goto err;
3981 }
3982 break;
3983
3984 case STV090x_SINGLE:
3985 if (stv090x_stop_modcod(state) < 0)
3986 goto err;
3987 if (stv090x_activate_modcod_single(state) < 0)
3988 goto err;
3989
3990 if (state->demod == STV090x_DEMODULATOR_1) {
3991 if (stv090x_write_reg(state, STV090x_GENCFG, 0x06) < 0) /* path 2 */
3992 goto err;
3993 } else {
3994 if (stv090x_write_reg(state, STV090x_GENCFG, 0x04) < 0) /* path 1 */
3995 goto err;
3996 }
3997
3998 reg = stv090x_read_reg(state, STV090x_TSTRES0);
3999 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x1);
4000 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
4001 goto err;
4002 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x0);
4003 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
4004 goto err;
4005
4006 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
4007 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x01);
4008 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
4009 goto err;
4010 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x00);
4011 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
4012 goto err;
4013 break;
4014 }
4015
4016 return 0;
4017 err:
4018 dprintk(FE_ERROR, 1, "I/O error");
4019 return -1;
4020 }
4021
4022 /* return (Hz), clk in Hz*/
4023 static u32 stv090x_get_mclk(struct stv090x_state *state)
4024 {
4025 const struct stv090x_config *config = state->config;
4026 u32 div, reg;
4027 u8 ratio;
4028
4029 div = stv090x_read_reg(state, STV090x_NCOARSE);
4030 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
4031 ratio = STV090x_GETFIELD(reg, SELX1RATIO_FIELD) ? 4 : 6;
4032
4033 return (div + 1) * config->xtal / ratio; /* kHz */
4034 }
4035
4036 static int stv090x_set_mclk(struct stv090x_state *state, u32 mclk, u32 clk)
4037 {
4038 const struct stv090x_config *config = state->config;
4039 u32 reg, div, clk_sel;
4040
4041 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
4042 clk_sel = ((STV090x_GETFIELD(reg, SELX1RATIO_FIELD) == 1) ? 4 : 6);
4043
4044 div = ((clk_sel * mclk) / config->xtal) - 1;
4045
4046 reg = stv090x_read_reg(state, STV090x_NCOARSE);
4047 STV090x_SETFIELD(reg, M_DIV_FIELD, div);
4048 if (stv090x_write_reg(state, STV090x_NCOARSE, reg) < 0)
4049 goto err;
4050
4051 state->internal->mclk = stv090x_get_mclk(state);
4052
4053 /*Set the DiseqC frequency to 22KHz */
4054 div = state->internal->mclk / 704000;
4055 if (STV090x_WRITE_DEMOD(state, F22TX, div) < 0)
4056 goto err;
4057 if (STV090x_WRITE_DEMOD(state, F22RX, div) < 0)
4058 goto err;
4059
4060 return 0;
4061 err:
4062 dprintk(FE_ERROR, 1, "I/O error");
4063 return -1;
4064 }
4065
4066 static int stv090x_set_tspath(struct stv090x_state *state)
4067 {
4068 u32 reg;
4069
4070 if (state->internal->dev_ver >= 0x20) {
4071 switch (state->config->ts1_mode) {
4072 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4073 case STV090x_TSMODE_DVBCI:
4074 switch (state->config->ts2_mode) {
4075 case STV090x_TSMODE_SERIAL_PUNCTURED:
4076 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4077 default:
4078 stv090x_write_reg(state, STV090x_TSGENERAL, 0x00);
4079 break;
4080
4081 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4082 case STV090x_TSMODE_DVBCI:
4083 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x06) < 0) /* Mux'd stream mode */
4084 goto err;
4085 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
4086 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4087 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
4088 goto err;
4089 reg = stv090x_read_reg(state, STV090x_P2_TSCFGM);
4090 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4091 if (stv090x_write_reg(state, STV090x_P2_TSCFGM, reg) < 0)
4092 goto err;
4093 if (stv090x_write_reg(state, STV090x_P1_TSSPEED, 0x14) < 0)
4094 goto err;
4095 if (stv090x_write_reg(state, STV090x_P2_TSSPEED, 0x28) < 0)
4096 goto err;
4097 break;
4098 }
4099 break;
4100
4101 case STV090x_TSMODE_SERIAL_PUNCTURED:
4102 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4103 default:
4104 switch (state->config->ts2_mode) {
4105 case STV090x_TSMODE_SERIAL_PUNCTURED:
4106 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4107 default:
4108 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c) < 0)
4109 goto err;
4110 break;
4111
4112 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4113 case STV090x_TSMODE_DVBCI:
4114 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0a) < 0)
4115 goto err;
4116 break;
4117 }
4118 break;
4119 }
4120 } else {
4121 switch (state->config->ts1_mode) {
4122 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4123 case STV090x_TSMODE_DVBCI:
4124 switch (state->config->ts2_mode) {
4125 case STV090x_TSMODE_SERIAL_PUNCTURED:
4126 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4127 default:
4128 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x10);
4129 break;
4130
4131 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4132 case STV090x_TSMODE_DVBCI:
4133 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x16);
4134 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
4135 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4136 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
4137 goto err;
4138 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
4139 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 0);
4140 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
4141 goto err;
4142 if (stv090x_write_reg(state, STV090x_P1_TSSPEED, 0x14) < 0)
4143 goto err;
4144 if (stv090x_write_reg(state, STV090x_P2_TSSPEED, 0x28) < 0)
4145 goto err;
4146 break;
4147 }
4148 break;
4149
4150 case STV090x_TSMODE_SERIAL_PUNCTURED:
4151 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4152 default:
4153 switch (state->config->ts2_mode) {
4154 case STV090x_TSMODE_SERIAL_PUNCTURED:
4155 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4156 default:
4157 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x14);
4158 break;
4159
4160 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4161 case STV090x_TSMODE_DVBCI:
4162 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x12);
4163 break;
4164 }
4165 break;
4166 }
4167 }
4168
4169 switch (state->config->ts1_mode) {
4170 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4171 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4172 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4173 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4174 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4175 goto err;
4176 break;
4177
4178 case STV090x_TSMODE_DVBCI:
4179 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4180 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4181 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4182 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4183 goto err;
4184 break;
4185
4186 case STV090x_TSMODE_SERIAL_PUNCTURED:
4187 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4188 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4189 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4190 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4191 goto err;
4192 break;
4193
4194 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4195 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4196 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4197 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4198 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4199 goto err;
4200 break;
4201
4202 default:
4203 break;
4204 }
4205
4206 switch (state->config->ts2_mode) {
4207 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4208 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4209 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4210 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4211 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4212 goto err;
4213 break;
4214
4215 case STV090x_TSMODE_DVBCI:
4216 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4217 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4218 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4219 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4220 goto err;
4221 break;
4222
4223 case STV090x_TSMODE_SERIAL_PUNCTURED:
4224 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4225 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4226 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4227 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4228 goto err;
4229 break;
4230
4231 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4232 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4233 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4234 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4235 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4236 goto err;
4237 break;
4238
4239 default:
4240 break;
4241 }
4242
4243 if (state->config->ts1_clk > 0) {
4244 u32 speed;
4245
4246 switch (state->config->ts1_mode) {
4247 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4248 case STV090x_TSMODE_DVBCI:
4249 default:
4250 speed = state->internal->mclk /
4251 (state->config->ts1_clk / 4);
4252 if (speed < 0x08)
4253 speed = 0x08;
4254 if (speed > 0xFF)
4255 speed = 0xFF;
4256 break;
4257 case STV090x_TSMODE_SERIAL_PUNCTURED:
4258 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4259 speed = state->internal->mclk /
4260 (state->config->ts1_clk / 32);
4261 if (speed < 0x20)
4262 speed = 0x20;
4263 if (speed > 0xFF)
4264 speed = 0xFF;
4265 break;
4266 }
4267 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
4268 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4269 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
4270 goto err;
4271 if (stv090x_write_reg(state, STV090x_P1_TSSPEED, speed) < 0)
4272 goto err;
4273 }
4274
4275 if (state->config->ts2_clk > 0) {
4276 u32 speed;
4277
4278 switch (state->config->ts2_mode) {
4279 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4280 case STV090x_TSMODE_DVBCI:
4281 default:
4282 speed = state->internal->mclk /
4283 (state->config->ts2_clk / 4);
4284 if (speed < 0x08)
4285 speed = 0x08;
4286 if (speed > 0xFF)
4287 speed = 0xFF;
4288 break;
4289 case STV090x_TSMODE_SERIAL_PUNCTURED:
4290 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4291 speed = state->internal->mclk /
4292 (state->config->ts2_clk / 32);
4293 if (speed < 0x20)
4294 speed = 0x20;
4295 if (speed > 0xFF)
4296 speed = 0xFF;
4297 break;
4298 }
4299 reg = stv090x_read_reg(state, STV090x_P2_TSCFGM);
4300 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4301 if (stv090x_write_reg(state, STV090x_P2_TSCFGM, reg) < 0)
4302 goto err;
4303 if (stv090x_write_reg(state, STV090x_P2_TSSPEED, speed) < 0)
4304 goto err;
4305 }
4306
4307 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4308 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
4309 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4310 goto err;
4311 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
4312 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4313 goto err;
4314
4315 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4316 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
4317 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4318 goto err;
4319 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
4320 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4321 goto err;
4322
4323 return 0;
4324 err:
4325 dprintk(FE_ERROR, 1, "I/O error");
4326 return -1;
4327 }
4328
4329 static int stv090x_init(struct dvb_frontend *fe)
4330 {
4331 struct stv090x_state *state = fe->demodulator_priv;
4332 const struct stv090x_config *config = state->config;
4333 u32 reg;
4334
4335 if (state->internal->mclk == 0) {
4336 /* call tuner init to configure the tuner's clock output
4337 divider directly before setting up the master clock of
4338 the stv090x. */
4339 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
4340 goto err;
4341
4342 if (config->tuner_init) {
4343 if (config->tuner_init(fe) < 0)
4344 goto err_gateoff;
4345 }
4346
4347 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
4348 goto err;
4349
4350 stv090x_set_mclk(state, 135000000, config->xtal); /* 135 Mhz */
4351 msleep(5);
4352 if (stv090x_write_reg(state, STV090x_SYNTCTRL,
4353 0x20 | config->clk_mode) < 0)
4354 goto err;
4355 stv090x_get_mclk(state);
4356 }
4357
4358 if (stv090x_wakeup(fe) < 0) {
4359 dprintk(FE_ERROR, 1, "Error waking device");
4360 goto err;
4361 }
4362
4363 if (stv090x_ldpc_mode(state, state->demod_mode) < 0)
4364 goto err;
4365
4366 reg = STV090x_READ_DEMOD(state, TNRCFG2);
4367 STV090x_SETFIELD_Px(reg, TUN_IQSWAP_FIELD, state->inversion);
4368 if (STV090x_WRITE_DEMOD(state, TNRCFG2, reg) < 0)
4369 goto err;
4370 reg = STV090x_READ_DEMOD(state, DEMOD);
4371 STV090x_SETFIELD_Px(reg, ROLLOFF_CONTROL_FIELD, state->rolloff);
4372 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
4373 goto err;
4374
4375 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
4376 goto err;
4377
4378 if (config->tuner_set_mode) {
4379 if (config->tuner_set_mode(fe, TUNER_WAKE) < 0)
4380 goto err_gateoff;
4381 }
4382
4383 if (config->tuner_init) {
4384 if (config->tuner_init(fe) < 0)
4385 goto err_gateoff;
4386 }
4387
4388 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
4389 goto err;
4390
4391 if (stv090x_set_tspath(state) < 0)
4392 goto err;
4393
4394 return 0;
4395
4396 err_gateoff:
4397 stv090x_i2c_gate_ctrl(state, 0);
4398 err:
4399 dprintk(FE_ERROR, 1, "I/O error");
4400 return -1;
4401 }
4402
4403 static int stv090x_setup(struct dvb_frontend *fe)
4404 {
4405 struct stv090x_state *state = fe->demodulator_priv;
4406 const struct stv090x_config *config = state->config;
4407 const struct stv090x_reg *stv090x_initval = NULL;
4408 const struct stv090x_reg *stv090x_cut20_val = NULL;
4409 unsigned long t1_size = 0, t2_size = 0;
4410 u32 reg = 0;
4411
4412 int i;
4413
4414 if (state->device == STV0900) {
4415 dprintk(FE_DEBUG, 1, "Initializing STV0900");
4416 stv090x_initval = stv0900_initval;
4417 t1_size = ARRAY_SIZE(stv0900_initval);
4418 stv090x_cut20_val = stv0900_cut20_val;
4419 t2_size = ARRAY_SIZE(stv0900_cut20_val);
4420 } else if (state->device == STV0903) {
4421 dprintk(FE_DEBUG, 1, "Initializing STV0903");
4422 stv090x_initval = stv0903_initval;
4423 t1_size = ARRAY_SIZE(stv0903_initval);
4424 stv090x_cut20_val = stv0903_cut20_val;
4425 t2_size = ARRAY_SIZE(stv0903_cut20_val);
4426 }
4427
4428 /* STV090x init */
4429
4430 /* Stop Demod */
4431 if (stv090x_write_reg(state, STV090x_P1_DMDISTATE, 0x5c) < 0)
4432 goto err;
4433 if (stv090x_write_reg(state, STV090x_P2_DMDISTATE, 0x5c) < 0)
4434 goto err;
4435
4436 msleep(5);
4437
4438 /* Set No Tuner Mode */
4439 if (stv090x_write_reg(state, STV090x_P1_TNRCFG, 0x6c) < 0)
4440 goto err;
4441 if (stv090x_write_reg(state, STV090x_P2_TNRCFG, 0x6c) < 0)
4442 goto err;
4443
4444 /* I2C repeater OFF */
4445 STV090x_SETFIELD_Px(reg, ENARPT_LEVEL_FIELD, config->repeater_level);
4446 if (stv090x_write_reg(state, STV090x_P1_I2CRPT, reg) < 0)
4447 goto err;
4448 if (stv090x_write_reg(state, STV090x_P2_I2CRPT, reg) < 0)
4449 goto err;
4450
4451 if (stv090x_write_reg(state, STV090x_NCOARSE, 0x13) < 0) /* set PLL divider */
4452 goto err;
4453 msleep(5);
4454 if (stv090x_write_reg(state, STV090x_I2CCFG, 0x08) < 0) /* 1/41 oversampling */
4455 goto err;
4456 if (stv090x_write_reg(state, STV090x_SYNTCTRL, 0x20 | config->clk_mode) < 0) /* enable PLL */
4457 goto err;
4458 msleep(5);
4459
4460 /* write initval */
4461 dprintk(FE_DEBUG, 1, "Setting up initial values");
4462 for (i = 0; i < t1_size; i++) {
4463 if (stv090x_write_reg(state, stv090x_initval[i].addr, stv090x_initval[i].data) < 0)
4464 goto err;
4465 }
4466
4467 state->internal->dev_ver = stv090x_read_reg(state, STV090x_MID);
4468 if (state->internal->dev_ver >= 0x20) {
4469 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c) < 0)
4470 goto err;
4471
4472 /* write cut20_val*/
4473 dprintk(FE_DEBUG, 1, "Setting up Cut 2.0 initial values");
4474 for (i = 0; i < t2_size; i++) {
4475 if (stv090x_write_reg(state, stv090x_cut20_val[i].addr, stv090x_cut20_val[i].data) < 0)
4476 goto err;
4477 }
4478
4479 } else if (state->internal->dev_ver < 0x20) {
4480 dprintk(FE_ERROR, 1, "ERROR: Unsupported Cut: 0x%02x!",
4481 state->internal->dev_ver);
4482
4483 goto err;
4484 } else if (state->internal->dev_ver > 0x30) {
4485 /* we shouldn't bail out from here */
4486 dprintk(FE_ERROR, 1, "INFO: Cut: 0x%02x probably incomplete support!",
4487 state->internal->dev_ver);
4488 }
4489
4490 /* ADC1 range */
4491 reg = stv090x_read_reg(state, STV090x_TSTTNR1);
4492 STV090x_SETFIELD(reg, ADC1_INMODE_FIELD,
4493 (config->adc1_range == STV090x_ADC_1Vpp) ? 0 : 1);
4494 if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
4495 goto err;
4496
4497 /* ADC2 range */
4498 reg = stv090x_read_reg(state, STV090x_TSTTNR3);
4499 STV090x_SETFIELD(reg, ADC2_INMODE_FIELD,
4500 (config->adc2_range == STV090x_ADC_1Vpp) ? 0 : 1);
4501 if (stv090x_write_reg(state, STV090x_TSTTNR3, reg) < 0)
4502 goto err;
4503
4504 if (stv090x_write_reg(state, STV090x_TSTRES0, 0x80) < 0)
4505 goto err;
4506 if (stv090x_write_reg(state, STV090x_TSTRES0, 0x00) < 0)
4507 goto err;
4508
4509 /* workaround for stuck DiSEqC output */
4510 if (config->diseqc_envelope_mode)
4511 stv090x_send_diseqc_burst(fe, SEC_MINI_A);
4512
4513 return 0;
4514 err:
4515 dprintk(FE_ERROR, 1, "I/O error");
4516 return -1;
4517 }
4518
4519 static struct dvb_frontend_ops stv090x_ops = {
4520
4521 .info = {
4522 .name = "STV090x Multistandard",
4523 .type = FE_QPSK,
4524 .frequency_min = 950000,
4525 .frequency_max = 2150000,
4526 .frequency_stepsize = 0,
4527 .frequency_tolerance = 0,
4528 .symbol_rate_min = 1000000,
4529 .symbol_rate_max = 45000000,
4530 .caps = FE_CAN_INVERSION_AUTO |
4531 FE_CAN_FEC_AUTO |
4532 FE_CAN_QPSK |
4533 FE_CAN_2G_MODULATION
4534 },
4535
4536 .release = stv090x_release,
4537 .init = stv090x_init,
4538
4539 .sleep = stv090x_sleep,
4540 .get_frontend_algo = stv090x_frontend_algo,
4541
4542 .diseqc_send_master_cmd = stv090x_send_diseqc_msg,
4543 .diseqc_send_burst = stv090x_send_diseqc_burst,
4544 .diseqc_recv_slave_reply = stv090x_recv_slave_reply,
4545 .set_tone = stv090x_set_tone,
4546
4547 .search = stv090x_search,
4548 .read_status = stv090x_read_status,
4549 .read_ber = stv090x_read_per,
4550 .read_signal_strength = stv090x_read_signal_strength,
4551 .read_snr = stv090x_read_cnr
4552 };
4553
4554
4555 struct dvb_frontend *stv090x_attach(const struct stv090x_config *config,
4556 struct i2c_adapter *i2c,
4557 enum stv090x_demodulator demod)
4558 {
4559 struct stv090x_state *state = NULL;
4560 struct stv090x_dev *temp_int;
4561
4562 state = kzalloc(sizeof (struct stv090x_state), GFP_KERNEL);
4563 if (state == NULL)
4564 goto error;
4565
4566 state->verbose = &verbose;
4567 state->config = config;
4568 state->i2c = i2c;
4569 state->frontend.ops = stv090x_ops;
4570 state->frontend.demodulator_priv = state;
4571 state->demod = demod;
4572 state->demod_mode = config->demod_mode; /* Single or Dual mode */
4573 state->device = config->device;
4574 state->rolloff = STV090x_RO_35; /* default */
4575
4576 temp_int = find_dev(state->i2c,
4577 state->config->address);
4578
4579 if ((temp_int != NULL) && (state->demod_mode == STV090x_DUAL)) {
4580 state->internal = temp_int->internal;
4581 state->internal->num_used++;
4582 dprintk(FE_INFO, 1, "Found Internal Structure!");
4583 dprintk(FE_ERROR, 1, "Attaching %s demodulator(%d) Cut=0x%02x",
4584 state->device == STV0900 ? "STV0900" : "STV0903",
4585 demod,
4586 state->internal->dev_ver);
4587 return &state->frontend;
4588 } else {
4589 state->internal = kmalloc(sizeof(struct stv090x_internal),
4590 GFP_KERNEL);
4591 temp_int = append_internal(state->internal);
4592 state->internal->num_used = 1;
4593 state->internal->mclk = 0;
4594 state->internal->dev_ver = 0;
4595 state->internal->i2c_adap = state->i2c;
4596 state->internal->i2c_addr = state->config->address;
4597 dprintk(FE_INFO, 1, "Create New Internal Structure!");
4598 }
4599
4600 mutex_init(&state->internal->demod_lock);
4601 mutex_init(&state->internal->tuner_lock);
4602
4603 if (stv090x_sleep(&state->frontend) < 0) {
4604 dprintk(FE_ERROR, 1, "Error putting device to sleep");
4605 goto error;
4606 }
4607
4608 if (stv090x_setup(&state->frontend) < 0) {
4609 dprintk(FE_ERROR, 1, "Error setting up device");
4610 goto error;
4611 }
4612 if (stv090x_wakeup(&state->frontend) < 0) {
4613 dprintk(FE_ERROR, 1, "Error waking device");
4614 goto error;
4615 }
4616
4617 dprintk(FE_ERROR, 1, "Attaching %s demodulator(%d) Cut=0x%02x",
4618 state->device == STV0900 ? "STV0900" : "STV0903",
4619 demod,
4620 state->internal->dev_ver);
4621
4622 return &state->frontend;
4623
4624 error:
4625 kfree(state);
4626 return NULL;
4627 }
4628 EXPORT_SYMBOL(stv090x_attach);
4629 MODULE_PARM_DESC(verbose, "Set Verbosity level");
4630 MODULE_AUTHOR("Manu Abraham");
4631 MODULE_DESCRIPTION("STV090x Multi-Std Broadcast frontend");
4632 MODULE_LICENSE("GPL");
Linux with added FPC-III support