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Merge branch 'fix/pcm-hwptr' into for-linus
[linux/fpc-iii.git] / drivers / media / dvb / frontends / stv090x.c
blob488bdfb34fb323babd4db966a272a927536695dc
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/mutex.h>
27
28 #include <linux/dvb/frontend.h>
29 #include "dvb_frontend.h"
30
31 #include "stv6110x.h" /* for demodulator internal modes */
32
33 #include "stv090x_reg.h"
34 #include "stv090x.h"
35 #include "stv090x_priv.h"
36
37 static unsigned int verbose;
38 module_param(verbose, int, 0644);
39
40 struct mutex demod_lock;
41
42 /* DVBS1 and DSS C/N Lookup table */
43 static const struct stv090x_tab stv090x_s1cn_tab[] = {
44 { 0, 8917 }, /* 0.0dB */
45 { 5, 8801 }, /* 0.5dB */
46 { 10, 8667 }, /* 1.0dB */
47 { 15, 8522 }, /* 1.5dB */
48 { 20, 8355 }, /* 2.0dB */
49 { 25, 8175 }, /* 2.5dB */
50 { 30, 7979 }, /* 3.0dB */
51 { 35, 7763 }, /* 3.5dB */
52 { 40, 7530 }, /* 4.0dB */
53 { 45, 7282 }, /* 4.5dB */
54 { 50, 7026 }, /* 5.0dB */
55 { 55, 6781 }, /* 5.5dB */
56 { 60, 6514 }, /* 6.0dB */
57 { 65, 6241 }, /* 6.5dB */
58 { 70, 5965 }, /* 7.0dB */
59 { 75, 5690 }, /* 7.5dB */
60 { 80, 5424 }, /* 8.0dB */
61 { 85, 5161 }, /* 8.5dB */
62 { 90, 4902 }, /* 9.0dB */
63 { 95, 4654 }, /* 9.5dB */
64 { 100, 4417 }, /* 10.0dB */
65 { 105, 4186 }, /* 10.5dB */
66 { 110, 3968 }, /* 11.0dB */
67 { 115, 3757 }, /* 11.5dB */
68 { 120, 3558 }, /* 12.0dB */
69 { 125, 3366 }, /* 12.5dB */
70 { 130, 3185 }, /* 13.0dB */
71 { 135, 3012 }, /* 13.5dB */
72 { 140, 2850 }, /* 14.0dB */
73 { 145, 2698 }, /* 14.5dB */
74 { 150, 2550 }, /* 15.0dB */
75 { 160, 2283 }, /* 16.0dB */
76 { 170, 2042 }, /* 17.0dB */
77 { 180, 1827 }, /* 18.0dB */
78 { 190, 1636 }, /* 19.0dB */
79 { 200, 1466 }, /* 20.0dB */
80 { 210, 1315 }, /* 21.0dB */
81 { 220, 1181 }, /* 22.0dB */
82 { 230, 1064 }, /* 23.0dB */
83 { 240, 960 }, /* 24.0dB */
84 { 250, 869 }, /* 25.0dB */
85 { 260, 792 }, /* 26.0dB */
86 { 270, 724 }, /* 27.0dB */
87 { 280, 665 }, /* 28.0dB */
88 { 290, 616 }, /* 29.0dB */
89 { 300, 573 }, /* 30.0dB */
90 { 310, 537 }, /* 31.0dB */
91 { 320, 507 }, /* 32.0dB */
92 { 330, 483 }, /* 33.0dB */
93 { 400, 398 }, /* 40.0dB */
94 { 450, 381 }, /* 45.0dB */
95 { 500, 377 } /* 50.0dB */
96 };
97
98 /* DVBS2 C/N Lookup table */
99 static const struct stv090x_tab stv090x_s2cn_tab[] = {
100 { -30, 13348 }, /* -3.0dB */
101 { -20, 12640 }, /* -2d.0B */
102 { -10, 11883 }, /* -1.0dB */
103 { 0, 11101 }, /* -0.0dB */
104 { 5, 10718 }, /* 0.5dB */
105 { 10, 10339 }, /* 1.0dB */
106 { 15, 9947 }, /* 1.5dB */
107 { 20, 9552 }, /* 2.0dB */
108 { 25, 9183 }, /* 2.5dB */
109 { 30, 8799 }, /* 3.0dB */
110 { 35, 8422 }, /* 3.5dB */
111 { 40, 8062 }, /* 4.0dB */
112 { 45, 7707 }, /* 4.5dB */
113 { 50, 7353 }, /* 5.0dB */
114 { 55, 7025 }, /* 5.5dB */
115 { 60, 6684 }, /* 6.0dB */
116 { 65, 6331 }, /* 6.5dB */
117 { 70, 6036 }, /* 7.0dB */
118 { 75, 5727 }, /* 7.5dB */
119 { 80, 5437 }, /* 8.0dB */
120 { 85, 5164 }, /* 8.5dB */
121 { 90, 4902 }, /* 9.0dB */
122 { 95, 4653 }, /* 9.5dB */
123 { 100, 4408 }, /* 10.0dB */
124 { 105, 4187 }, /* 10.5dB */
125 { 110, 3961 }, /* 11.0dB */
126 { 115, 3751 }, /* 11.5dB */
127 { 120, 3558 }, /* 12.0dB */
128 { 125, 3368 }, /* 12.5dB */
129 { 130, 3191 }, /* 13.0dB */
130 { 135, 3017 }, /* 13.5dB */
131 { 140, 2862 }, /* 14.0dB */
132 { 145, 2710 }, /* 14.5dB */
133 { 150, 2565 }, /* 15.0dB */
134 { 160, 2300 }, /* 16.0dB */
135 { 170, 2058 }, /* 17.0dB */
136 { 180, 1849 }, /* 18.0dB */
137 { 190, 1663 }, /* 19.0dB */
138 { 200, 1495 }, /* 20.0dB */
139 { 210, 1349 }, /* 21.0dB */
140 { 220, 1222 }, /* 22.0dB */
141 { 230, 1110 }, /* 23.0dB */
142 { 240, 1011 }, /* 24.0dB */
143 { 250, 925 }, /* 25.0dB */
144 { 260, 853 }, /* 26.0dB */
145 { 270, 789 }, /* 27.0dB */
146 { 280, 734 }, /* 28.0dB */
147 { 290, 690 }, /* 29.0dB */
148 { 300, 650 }, /* 30.0dB */
149 { 310, 619 }, /* 31.0dB */
150 { 320, 593 }, /* 32.0dB */
151 { 330, 571 }, /* 33.0dB */
152 { 400, 498 }, /* 40.0dB */
153 { 450, 484 }, /* 45.0dB */
154 { 500, 481 } /* 50.0dB */
155 };
156
157 /* RF level C/N lookup table */
158 static const struct stv090x_tab stv090x_rf_tab[] = {
159 { -5, 0xcaa1 }, /* -5dBm */
160 { -10, 0xc229 }, /* -10dBm */
161 { -15, 0xbb08 }, /* -15dBm */
162 { -20, 0xb4bc }, /* -20dBm */
163 { -25, 0xad5a }, /* -25dBm */
164 { -30, 0xa298 }, /* -30dBm */
165 { -35, 0x98a8 }, /* -35dBm */
166 { -40, 0x8389 }, /* -40dBm */
167 { -45, 0x59be }, /* -45dBm */
168 { -50, 0x3a14 }, /* -50dBm */
169 { -55, 0x2d11 }, /* -55dBm */
170 { -60, 0x210d }, /* -60dBm */
171 { -65, 0xa14f }, /* -65dBm */
172 { -70, 0x07aa } /* -70dBm */
173 };
174
175
176 static struct stv090x_reg stv0900_initval[] = {
177
178 { STV090x_OUTCFG, 0x00 },
179 { STV090x_MODECFG, 0xff },
180 { STV090x_AGCRF1CFG, 0x11 },
181 { STV090x_AGCRF2CFG, 0x13 },
182 { STV090x_TSGENERAL1X, 0x14 },
183 { STV090x_TSTTNR2, 0x21 },
184 { STV090x_TSTTNR4, 0x21 },
185 { STV090x_P2_DISTXCTL, 0x22 },
186 { STV090x_P2_F22TX, 0xc0 },
187 { STV090x_P2_F22RX, 0xc0 },
188 { STV090x_P2_DISRXCTL, 0x00 },
189 { STV090x_P2_DMDCFGMD, 0xF9 },
190 { STV090x_P2_DEMOD, 0x08 },
191 { STV090x_P2_DMDCFG3, 0xc4 },
192 { STV090x_P2_CARFREQ, 0xed },
193 { STV090x_P2_LDT, 0xd0 },
194 { STV090x_P2_LDT2, 0xb8 },
195 { STV090x_P2_TMGCFG, 0xd2 },
196 { STV090x_P2_TMGTHRISE, 0x20 },
197 { STV090x_P1_TMGCFG, 0xd2 },
198
199 { STV090x_P2_TMGTHFALL, 0x00 },
200 { STV090x_P2_FECSPY, 0x88 },
201 { STV090x_P2_FSPYDATA, 0x3a },
202 { STV090x_P2_FBERCPT4, 0x00 },
203 { STV090x_P2_FSPYBER, 0x10 },
204 { STV090x_P2_ERRCTRL1, 0x35 },
205 { STV090x_P2_ERRCTRL2, 0xc1 },
206 { STV090x_P2_CFRICFG, 0xf8 },
207 { STV090x_P2_NOSCFG, 0x1c },
208 { STV090x_P2_DMDTOM, 0x20 },
209 { STV090x_P2_CORRELMANT, 0x70 },
210 { STV090x_P2_CORRELABS, 0x88 },
211 { STV090x_P2_AGC2O, 0x5b },
212 { STV090x_P2_AGC2REF, 0x38 },
213 { STV090x_P2_CARCFG, 0xe4 },
214 { STV090x_P2_ACLC, 0x1A },
215 { STV090x_P2_BCLC, 0x09 },
216 { STV090x_P2_CARHDR, 0x08 },
217 { STV090x_P2_KREFTMG, 0xc1 },
218 { STV090x_P2_SFRUPRATIO, 0xf0 },
219 { STV090x_P2_SFRLOWRATIO, 0x70 },
220 { STV090x_P2_SFRSTEP, 0x58 },
221 { STV090x_P2_TMGCFG2, 0x01 },
222 { STV090x_P2_CAR2CFG, 0x26 },
223 { STV090x_P2_BCLC2S2Q, 0x86 },
224 { STV090x_P2_BCLC2S28, 0x86 },
225 { STV090x_P2_SMAPCOEF7, 0x77 },
226 { STV090x_P2_SMAPCOEF6, 0x85 },
227 { STV090x_P2_SMAPCOEF5, 0x77 },
228 { STV090x_P2_TSCFGL, 0x20 },
229 { STV090x_P2_DMDCFG2, 0x3b },
230 { STV090x_P2_MODCODLST0, 0xff },
231 { STV090x_P2_MODCODLST1, 0xff },
232 { STV090x_P2_MODCODLST2, 0xff },
233 { STV090x_P2_MODCODLST3, 0xff },
234 { STV090x_P2_MODCODLST4, 0xff },
235 { STV090x_P2_MODCODLST5, 0xff },
236 { STV090x_P2_MODCODLST6, 0xff },
237 { STV090x_P2_MODCODLST7, 0xcc },
238 { STV090x_P2_MODCODLST8, 0xcc },
239 { STV090x_P2_MODCODLST9, 0xcc },
240 { STV090x_P2_MODCODLSTA, 0xcc },
241 { STV090x_P2_MODCODLSTB, 0xcc },
242 { STV090x_P2_MODCODLSTC, 0xcc },
243 { STV090x_P2_MODCODLSTD, 0xcc },
244 { STV090x_P2_MODCODLSTE, 0xcc },
245 { STV090x_P2_MODCODLSTF, 0xcf },
246 { STV090x_P1_DISTXCTL, 0x22 },
247 { STV090x_P1_F22TX, 0xc0 },
248 { STV090x_P1_F22RX, 0xc0 },
249 { STV090x_P1_DISRXCTL, 0x00 },
250 { STV090x_P1_DMDCFGMD, 0xf9 },
251 { STV090x_P1_DEMOD, 0x08 },
252 { STV090x_P1_DMDCFG3, 0xc4 },
253 { STV090x_P1_DMDTOM, 0x20 },
254 { STV090x_P1_CARFREQ, 0xed },
255 { STV090x_P1_LDT, 0xd0 },
256 { STV090x_P1_LDT2, 0xb8 },
257 { STV090x_P1_TMGCFG, 0xd2 },
258 { STV090x_P1_TMGTHRISE, 0x20 },
259 { STV090x_P1_TMGTHFALL, 0x00 },
260 { STV090x_P1_SFRUPRATIO, 0xf0 },
261 { STV090x_P1_SFRLOWRATIO, 0x70 },
262 { STV090x_P1_TSCFGL, 0x20 },
263 { STV090x_P1_FECSPY, 0x88 },
264 { STV090x_P1_FSPYDATA, 0x3a },
265 { STV090x_P1_FBERCPT4, 0x00 },
266 { STV090x_P1_FSPYBER, 0x10 },
267 { STV090x_P1_ERRCTRL1, 0x35 },
268 { STV090x_P1_ERRCTRL2, 0xc1 },
269 { STV090x_P1_CFRICFG, 0xf8 },
270 { STV090x_P1_NOSCFG, 0x1c },
271 { STV090x_P1_CORRELMANT, 0x70 },
272 { STV090x_P1_CORRELABS, 0x88 },
273 { STV090x_P1_AGC2O, 0x5b },
274 { STV090x_P1_AGC2REF, 0x38 },
275 { STV090x_P1_CARCFG, 0xe4 },
276 { STV090x_P1_ACLC, 0x1A },
277 { STV090x_P1_BCLC, 0x09 },
278 { STV090x_P1_CARHDR, 0x08 },
279 { STV090x_P1_KREFTMG, 0xc1 },
280 { STV090x_P1_SFRSTEP, 0x58 },
281 { STV090x_P1_TMGCFG2, 0x01 },
282 { STV090x_P1_CAR2CFG, 0x26 },
283 { STV090x_P1_BCLC2S2Q, 0x86 },
284 { STV090x_P1_BCLC2S28, 0x86 },
285 { STV090x_P1_SMAPCOEF7, 0x77 },
286 { STV090x_P1_SMAPCOEF6, 0x85 },
287 { STV090x_P1_SMAPCOEF5, 0x77 },
288 { STV090x_P1_DMDCFG2, 0x3b },
289 { STV090x_P1_MODCODLST0, 0xff },
290 { STV090x_P1_MODCODLST1, 0xff },
291 { STV090x_P1_MODCODLST2, 0xff },
292 { STV090x_P1_MODCODLST3, 0xff },
293 { STV090x_P1_MODCODLST4, 0xff },
294 { STV090x_P1_MODCODLST5, 0xff },
295 { STV090x_P1_MODCODLST6, 0xff },
296 { STV090x_P1_MODCODLST7, 0xcc },
297 { STV090x_P1_MODCODLST8, 0xcc },
298 { STV090x_P1_MODCODLST9, 0xcc },
299 { STV090x_P1_MODCODLSTA, 0xcc },
300 { STV090x_P1_MODCODLSTB, 0xcc },
301 { STV090x_P1_MODCODLSTC, 0xcc },
302 { STV090x_P1_MODCODLSTD, 0xcc },
303 { STV090x_P1_MODCODLSTE, 0xcc },
304 { STV090x_P1_MODCODLSTF, 0xcf },
305 { STV090x_GENCFG, 0x1d },
306 { STV090x_NBITER_NF4, 0x37 },
307 { STV090x_NBITER_NF5, 0x29 },
308 { STV090x_NBITER_NF6, 0x37 },
309 { STV090x_NBITER_NF7, 0x33 },
310 { STV090x_NBITER_NF8, 0x31 },
311 { STV090x_NBITER_NF9, 0x2f },
312 { STV090x_NBITER_NF10, 0x39 },
313 { STV090x_NBITER_NF11, 0x3a },
314 { STV090x_NBITER_NF12, 0x29 },
315 { STV090x_NBITER_NF13, 0x37 },
316 { STV090x_NBITER_NF14, 0x33 },
317 { STV090x_NBITER_NF15, 0x2f },
318 { STV090x_NBITER_NF16, 0x39 },
319 { STV090x_NBITER_NF17, 0x3a },
320 { STV090x_NBITERNOERR, 0x04 },
321 { STV090x_GAINLLR_NF4, 0x0C },
322 { STV090x_GAINLLR_NF5, 0x0F },
323 { STV090x_GAINLLR_NF6, 0x11 },
324 { STV090x_GAINLLR_NF7, 0x14 },
325 { STV090x_GAINLLR_NF8, 0x17 },
326 { STV090x_GAINLLR_NF9, 0x19 },
327 { STV090x_GAINLLR_NF10, 0x20 },
328 { STV090x_GAINLLR_NF11, 0x21 },
329 { STV090x_GAINLLR_NF12, 0x0D },
330 { STV090x_GAINLLR_NF13, 0x0F },
331 { STV090x_GAINLLR_NF14, 0x13 },
332 { STV090x_GAINLLR_NF15, 0x1A },
333 { STV090x_GAINLLR_NF16, 0x1F },
334 { STV090x_GAINLLR_NF17, 0x21 },
335 { STV090x_RCCFGH, 0x20 },
336 { STV090x_P1_FECM, 0x01 }, /* disable DSS modes */
337 { STV090x_P2_FECM, 0x01 }, /* disable DSS modes */
338 { STV090x_P1_PRVIT, 0x2F }, /* disable PR 6/7 */
339 { STV090x_P2_PRVIT, 0x2F }, /* disable PR 6/7 */
340 };
341
342 static struct stv090x_reg stv0903_initval[] = {
343 { STV090x_OUTCFG, 0x00 },
344 { STV090x_AGCRF1CFG, 0x11 },
345 { STV090x_STOPCLK1, 0x48 },
346 { STV090x_STOPCLK2, 0x14 },
347 { STV090x_TSTTNR1, 0x27 },
348 { STV090x_TSTTNR2, 0x21 },
349 { STV090x_P1_DISTXCTL, 0x22 },
350 { STV090x_P1_F22TX, 0xc0 },
351 { STV090x_P1_F22RX, 0xc0 },
352 { STV090x_P1_DISRXCTL, 0x00 },
353 { STV090x_P1_DMDCFGMD, 0xF9 },
354 { STV090x_P1_DEMOD, 0x08 },
355 { STV090x_P1_DMDCFG3, 0xc4 },
356 { STV090x_P1_CARFREQ, 0xed },
357 { STV090x_P1_TNRCFG2, 0x82 },
358 { STV090x_P1_LDT, 0xd0 },
359 { STV090x_P1_LDT2, 0xb8 },
360 { STV090x_P1_TMGCFG, 0xd2 },
361 { STV090x_P1_TMGTHRISE, 0x20 },
362 { STV090x_P1_TMGTHFALL, 0x00 },
363 { STV090x_P1_SFRUPRATIO, 0xf0 },
364 { STV090x_P1_SFRLOWRATIO, 0x70 },
365 { STV090x_P1_TSCFGL, 0x20 },
366 { STV090x_P1_FECSPY, 0x88 },
367 { STV090x_P1_FSPYDATA, 0x3a },
368 { STV090x_P1_FBERCPT4, 0x00 },
369 { STV090x_P1_FSPYBER, 0x10 },
370 { STV090x_P1_ERRCTRL1, 0x35 },
371 { STV090x_P1_ERRCTRL2, 0xc1 },
372 { STV090x_P1_CFRICFG, 0xf8 },
373 { STV090x_P1_NOSCFG, 0x1c },
374 { STV090x_P1_DMDTOM, 0x20 },
375 { STV090x_P1_CORRELMANT, 0x70 },
376 { STV090x_P1_CORRELABS, 0x88 },
377 { STV090x_P1_AGC2O, 0x5b },
378 { STV090x_P1_AGC2REF, 0x38 },
379 { STV090x_P1_CARCFG, 0xe4 },
380 { STV090x_P1_ACLC, 0x1A },
381 { STV090x_P1_BCLC, 0x09 },
382 { STV090x_P1_CARHDR, 0x08 },
383 { STV090x_P1_KREFTMG, 0xc1 },
384 { STV090x_P1_SFRSTEP, 0x58 },
385 { STV090x_P1_TMGCFG2, 0x01 },
386 { STV090x_P1_CAR2CFG, 0x26 },
387 { STV090x_P1_BCLC2S2Q, 0x86 },
388 { STV090x_P1_BCLC2S28, 0x86 },
389 { STV090x_P1_SMAPCOEF7, 0x77 },
390 { STV090x_P1_SMAPCOEF6, 0x85 },
391 { STV090x_P1_SMAPCOEF5, 0x77 },
392 { STV090x_P1_DMDCFG2, 0x3b },
393 { STV090x_P1_MODCODLST0, 0xff },
394 { STV090x_P1_MODCODLST1, 0xff },
395 { STV090x_P1_MODCODLST2, 0xff },
396 { STV090x_P1_MODCODLST3, 0xff },
397 { STV090x_P1_MODCODLST4, 0xff },
398 { STV090x_P1_MODCODLST5, 0xff },
399 { STV090x_P1_MODCODLST6, 0xff },
400 { STV090x_P1_MODCODLST7, 0xcc },
401 { STV090x_P1_MODCODLST8, 0xcc },
402 { STV090x_P1_MODCODLST9, 0xcc },
403 { STV090x_P1_MODCODLSTA, 0xcc },
404 { STV090x_P1_MODCODLSTB, 0xcc },
405 { STV090x_P1_MODCODLSTC, 0xcc },
406 { STV090x_P1_MODCODLSTD, 0xcc },
407 { STV090x_P1_MODCODLSTE, 0xcc },
408 { STV090x_P1_MODCODLSTF, 0xcf },
409 { STV090x_GENCFG, 0x1c },
410 { STV090x_NBITER_NF4, 0x37 },
411 { STV090x_NBITER_NF5, 0x29 },
412 { STV090x_NBITER_NF6, 0x37 },
413 { STV090x_NBITER_NF7, 0x33 },
414 { STV090x_NBITER_NF8, 0x31 },
415 { STV090x_NBITER_NF9, 0x2f },
416 { STV090x_NBITER_NF10, 0x39 },
417 { STV090x_NBITER_NF11, 0x3a },
418 { STV090x_NBITER_NF12, 0x29 },
419 { STV090x_NBITER_NF13, 0x37 },
420 { STV090x_NBITER_NF14, 0x33 },
421 { STV090x_NBITER_NF15, 0x2f },
422 { STV090x_NBITER_NF16, 0x39 },
423 { STV090x_NBITER_NF17, 0x3a },
424 { STV090x_NBITERNOERR, 0x04 },
425 { STV090x_GAINLLR_NF4, 0x0C },
426 { STV090x_GAINLLR_NF5, 0x0F },
427 { STV090x_GAINLLR_NF6, 0x11 },
428 { STV090x_GAINLLR_NF7, 0x14 },
429 { STV090x_GAINLLR_NF8, 0x17 },
430 { STV090x_GAINLLR_NF9, 0x19 },
431 { STV090x_GAINLLR_NF10, 0x20 },
432 { STV090x_GAINLLR_NF11, 0x21 },
433 { STV090x_GAINLLR_NF12, 0x0D },
434 { STV090x_GAINLLR_NF13, 0x0F },
435 { STV090x_GAINLLR_NF14, 0x13 },
436 { STV090x_GAINLLR_NF15, 0x1A },
437 { STV090x_GAINLLR_NF16, 0x1F },
438 { STV090x_GAINLLR_NF17, 0x21 },
439 { STV090x_RCCFGH, 0x20 },
440 { STV090x_P1_FECM, 0x01 }, /*disable the DSS mode */
441 { STV090x_P1_PRVIT, 0x2f } /*disable puncture rate 6/7*/
442 };
443
444 static struct stv090x_reg stv0900_cut20_val[] = {
445
446 { STV090x_P2_DMDCFG3, 0xe8 },
447 { STV090x_P2_DMDCFG4, 0x10 },
448 { STV090x_P2_CARFREQ, 0x38 },
449 { STV090x_P2_CARHDR, 0x20 },
450 { STV090x_P2_KREFTMG, 0x5a },
451 { STV090x_P2_SMAPCOEF7, 0x06 },
452 { STV090x_P2_SMAPCOEF6, 0x00 },
453 { STV090x_P2_SMAPCOEF5, 0x04 },
454 { STV090x_P2_NOSCFG, 0x0c },
455 { STV090x_P1_DMDCFG3, 0xe8 },
456 { STV090x_P1_DMDCFG4, 0x10 },
457 { STV090x_P1_CARFREQ, 0x38 },
458 { STV090x_P1_CARHDR, 0x20 },
459 { STV090x_P1_KREFTMG, 0x5a },
460 { STV090x_P1_SMAPCOEF7, 0x06 },
461 { STV090x_P1_SMAPCOEF6, 0x00 },
462 { STV090x_P1_SMAPCOEF5, 0x04 },
463 { STV090x_P1_NOSCFG, 0x0c },
464 { STV090x_GAINLLR_NF4, 0x21 },
465 { STV090x_GAINLLR_NF5, 0x21 },
466 { STV090x_GAINLLR_NF6, 0x20 },
467 { STV090x_GAINLLR_NF7, 0x1F },
468 { STV090x_GAINLLR_NF8, 0x1E },
469 { STV090x_GAINLLR_NF9, 0x1E },
470 { STV090x_GAINLLR_NF10, 0x1D },
471 { STV090x_GAINLLR_NF11, 0x1B },
472 { STV090x_GAINLLR_NF12, 0x20 },
473 { STV090x_GAINLLR_NF13, 0x20 },
474 { STV090x_GAINLLR_NF14, 0x20 },
475 { STV090x_GAINLLR_NF15, 0x20 },
476 { STV090x_GAINLLR_NF16, 0x20 },
477 { STV090x_GAINLLR_NF17, 0x21 },
478 };
479
480 static struct stv090x_reg stv0903_cut20_val[] = {
481 { STV090x_P1_DMDCFG3, 0xe8 },
482 { STV090x_P1_DMDCFG4, 0x10 },
483 { STV090x_P1_CARFREQ, 0x38 },
484 { STV090x_P1_CARHDR, 0x20 },
485 { STV090x_P1_KREFTMG, 0x5a },
486 { STV090x_P1_SMAPCOEF7, 0x06 },
487 { STV090x_P1_SMAPCOEF6, 0x00 },
488 { STV090x_P1_SMAPCOEF5, 0x04 },
489 { STV090x_P1_NOSCFG, 0x0c },
490 { STV090x_GAINLLR_NF4, 0x21 },
491 { STV090x_GAINLLR_NF5, 0x21 },
492 { STV090x_GAINLLR_NF6, 0x20 },
493 { STV090x_GAINLLR_NF7, 0x1F },
494 { STV090x_GAINLLR_NF8, 0x1E },
495 { STV090x_GAINLLR_NF9, 0x1E },
496 { STV090x_GAINLLR_NF10, 0x1D },
497 { STV090x_GAINLLR_NF11, 0x1B },
498 { STV090x_GAINLLR_NF12, 0x20 },
499 { STV090x_GAINLLR_NF13, 0x20 },
500 { STV090x_GAINLLR_NF14, 0x20 },
501 { STV090x_GAINLLR_NF15, 0x20 },
502 { STV090x_GAINLLR_NF16, 0x20 },
503 { STV090x_GAINLLR_NF17, 0x21 }
504 };
505
506 /* Cut 2.0 Long Frame Tracking CR loop */
507 static struct stv090x_long_frame_crloop stv090x_s2_crl_cut20[] = {
508 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
509 { STV090x_QPSK_12, 0x1f, 0x3f, 0x1e, 0x3f, 0x3d, 0x1f, 0x3d, 0x3e, 0x3d, 0x1e },
510 { STV090x_QPSK_35, 0x2f, 0x3f, 0x2e, 0x2f, 0x3d, 0x0f, 0x0e, 0x2e, 0x3d, 0x0e },
511 { STV090x_QPSK_23, 0x2f, 0x3f, 0x2e, 0x2f, 0x0e, 0x0f, 0x0e, 0x1e, 0x3d, 0x3d },
512 { STV090x_QPSK_34, 0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
513 { STV090x_QPSK_45, 0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
514 { STV090x_QPSK_56, 0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
515 { STV090x_QPSK_89, 0x3f, 0x3f, 0x3e, 0x1f, 0x1e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
516 { STV090x_QPSK_910, 0x3f, 0x3f, 0x3e, 0x1f, 0x1e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
517 { STV090x_8PSK_35, 0x3c, 0x3e, 0x1c, 0x2e, 0x0c, 0x1e, 0x2b, 0x2d, 0x1b, 0x1d },
518 { STV090x_8PSK_23, 0x1d, 0x3e, 0x3c, 0x2e, 0x2c, 0x1e, 0x0c, 0x2d, 0x2b, 0x1d },
519 { STV090x_8PSK_34, 0x0e, 0x3e, 0x3d, 0x2e, 0x0d, 0x1e, 0x2c, 0x2d, 0x0c, 0x1d },
520 { STV090x_8PSK_56, 0x2e, 0x3e, 0x1e, 0x2e, 0x2d, 0x1e, 0x3c, 0x2d, 0x2c, 0x1d },
521 { STV090x_8PSK_89, 0x3e, 0x3e, 0x1e, 0x2e, 0x3d, 0x1e, 0x0d, 0x2d, 0x3c, 0x1d },
522 { STV090x_8PSK_910, 0x3e, 0x3e, 0x1e, 0x2e, 0x3d, 0x1e, 0x1d, 0x2d, 0x0d, 0x1d }
523 };
524
525 /* Cut 3.0 Long Frame Tracking CR loop */
526 static struct stv090x_long_frame_crloop stv090x_s2_crl_cut30[] = {
527 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
528 { STV090x_QPSK_12, 0x3c, 0x2c, 0x0c, 0x2c, 0x1b, 0x2c, 0x1b, 0x1c, 0x0b, 0x3b },
529 { STV090x_QPSK_35, 0x0d, 0x0d, 0x0c, 0x0d, 0x1b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
530 { STV090x_QPSK_23, 0x1d, 0x0d, 0x0c, 0x1d, 0x2b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
531 { STV090x_QPSK_34, 0x1d, 0x1d, 0x0c, 0x1d, 0x2b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
532 { STV090x_QPSK_45, 0x2d, 0x1d, 0x1c, 0x1d, 0x2b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
533 { STV090x_QPSK_56, 0x2d, 0x1d, 0x1c, 0x1d, 0x2b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
534 { STV090x_QPSK_89, 0x3d, 0x2d, 0x1c, 0x1d, 0x3b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
535 { STV090x_QPSK_910, 0x3d, 0x2d, 0x1c, 0x1d, 0x3b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
536 { STV090x_8PSK_35, 0x39, 0x29, 0x39, 0x19, 0x19, 0x19, 0x19, 0x19, 0x09, 0x19 },
537 { STV090x_8PSK_23, 0x2a, 0x39, 0x1a, 0x0a, 0x39, 0x0a, 0x29, 0x39, 0x29, 0x0a },
538 { STV090x_8PSK_34, 0x2b, 0x3a, 0x1b, 0x1b, 0x3a, 0x1b, 0x1a, 0x0b, 0x1a, 0x3a },
539 { STV090x_8PSK_56, 0x0c, 0x1b, 0x3b, 0x3b, 0x1b, 0x3b, 0x3a, 0x3b, 0x3a, 0x1b },
540 { STV090x_8PSK_89, 0x0d, 0x3c, 0x2c, 0x2c, 0x2b, 0x0c, 0x0b, 0x3b, 0x0b, 0x1b },
541 { STV090x_8PSK_910, 0x0d, 0x0d, 0x2c, 0x3c, 0x3b, 0x1c, 0x0b, 0x3b, 0x0b, 0x1b }
542 };
543
544 /* Cut 2.0 Long Frame Tracking CR Loop */
545 static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut20[] = {
546 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
547 { STV090x_16APSK_23, 0x0c, 0x0c, 0x0c, 0x0c, 0x1d, 0x0c, 0x3c, 0x0c, 0x2c, 0x0c },
548 { STV090x_16APSK_34, 0x0c, 0x0c, 0x0c, 0x0c, 0x0e, 0x0c, 0x2d, 0x0c, 0x1d, 0x0c },
549 { STV090x_16APSK_45, 0x0c, 0x0c, 0x0c, 0x0c, 0x1e, 0x0c, 0x3d, 0x0c, 0x2d, 0x0c },
550 { STV090x_16APSK_56, 0x0c, 0x0c, 0x0c, 0x0c, 0x1e, 0x0c, 0x3d, 0x0c, 0x2d, 0x0c },
551 { STV090x_16APSK_89, 0x0c, 0x0c, 0x0c, 0x0c, 0x2e, 0x0c, 0x0e, 0x0c, 0x3d, 0x0c },
552 { STV090x_16APSK_910, 0x0c, 0x0c, 0x0c, 0x0c, 0x2e, 0x0c, 0x0e, 0x0c, 0x3d, 0x0c },
553 { STV090x_32APSK_34, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
554 { STV090x_32APSK_45, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
555 { STV090x_32APSK_56, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
556 { STV090x_32APSK_89, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
557 { STV090x_32APSK_910, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c }
558 };
559
560 /* Cut 3.0 Long Frame Tracking CR Loop */
561 static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut30[] = {
562 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
563 { STV090x_16APSK_23, 0x0a, 0x0a, 0x0a, 0x0a, 0x1a, 0x0a, 0x3a, 0x0a, 0x2a, 0x0a },
564 { STV090x_16APSK_34, 0x0a, 0x0a, 0x0a, 0x0a, 0x0b, 0x0a, 0x3b, 0x0a, 0x1b, 0x0a },
565 { STV090x_16APSK_45, 0x0a, 0x0a, 0x0a, 0x0a, 0x1b, 0x0a, 0x3b, 0x0a, 0x2b, 0x0a },
566 { STV090x_16APSK_56, 0x0a, 0x0a, 0x0a, 0x0a, 0x1b, 0x0a, 0x3b, 0x0a, 0x2b, 0x0a },
567 { STV090x_16APSK_89, 0x0a, 0x0a, 0x0a, 0x0a, 0x2b, 0x0a, 0x0c, 0x0a, 0x3b, 0x0a },
568 { STV090x_16APSK_910, 0x0a, 0x0a, 0x0a, 0x0a, 0x2b, 0x0a, 0x0c, 0x0a, 0x3b, 0x0a },
569 { STV090x_32APSK_34, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
570 { STV090x_32APSK_45, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
571 { STV090x_32APSK_56, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
572 { STV090x_32APSK_89, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
573 { STV090x_32APSK_910, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a }
574 };
575
576 static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut20[] = {
577 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
578 { STV090x_QPSK_14, 0x0f, 0x3f, 0x0e, 0x3f, 0x2d, 0x2f, 0x2d, 0x1f, 0x3d, 0x3e },
579 { STV090x_QPSK_13, 0x0f, 0x3f, 0x0e, 0x3f, 0x2d, 0x2f, 0x3d, 0x0f, 0x3d, 0x2e },
580 { STV090x_QPSK_25, 0x1f, 0x3f, 0x1e, 0x3f, 0x3d, 0x1f, 0x3d, 0x3e, 0x3d, 0x2e }
581 };
582
583 static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut30[] = {
584 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
585 { STV090x_QPSK_14, 0x0c, 0x3c, 0x0b, 0x3c, 0x2a, 0x2c, 0x2a, 0x1c, 0x3a, 0x3b },
586 { STV090x_QPSK_13, 0x0c, 0x3c, 0x0b, 0x3c, 0x2a, 0x2c, 0x3a, 0x0c, 0x3a, 0x2b },
587 { STV090x_QPSK_25, 0x1c, 0x3c, 0x1b, 0x3c, 0x3a, 0x1c, 0x3a, 0x3b, 0x3a, 0x2b }
588 };
589
590 /* Cut 2.0 Short Frame Tracking CR Loop */
591 static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut20[] = {
592 /* MODCOD 2M 5M 10M 20M 30M */
593 { STV090x_QPSK, 0x2f, 0x2e, 0x0e, 0x0e, 0x3d },
594 { STV090x_8PSK, 0x3e, 0x0e, 0x2d, 0x0d, 0x3c },
595 { STV090x_16APSK, 0x1e, 0x1e, 0x1e, 0x3d, 0x2d },
596 { STV090x_32APSK, 0x1e, 0x1e, 0x1e, 0x3d, 0x2d }
597 };
598
599 /* Cut 3.0 Short Frame Tracking CR Loop */
600 static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut30[] = {
601 /* MODCOD 2M 5M 10M 20M 30M */
602 { STV090x_QPSK, 0x2C, 0x2B, 0x0B, 0x0B, 0x3A },
603 { STV090x_8PSK, 0x3B, 0x0B, 0x2A, 0x0A, 0x39 },
604 { STV090x_16APSK, 0x1B, 0x1B, 0x1B, 0x3A, 0x2A },
605 { STV090x_32APSK, 0x1B, 0x1B, 0x1B, 0x3A, 0x2A }
606 };
607
608 static inline s32 comp2(s32 __x, s32 __width)
609 {
610 if (__width == 32)
611 return __x;
612 else
613 return (__x >= (1 << (__width - 1))) ? (__x - (1 << __width)) : __x;
614 }
615
616 static int stv090x_read_reg(struct stv090x_state *state, unsigned int reg)
617 {
618 const struct stv090x_config *config = state->config;
619 int ret;
620
621 u8 b0[] = { reg >> 8, reg & 0xff };
622 u8 buf;
623
624 struct i2c_msg msg[] = {
625 { .addr = config->address, .flags = 0, .buf = b0, .len = 2 },
626 { .addr = config->address, .flags = I2C_M_RD, .buf = &buf, .len = 1 }
627 };
628
629 ret = i2c_transfer(state->i2c, msg, 2);
630 if (ret != 2) {
631 if (ret != -ERESTARTSYS)
632 dprintk(FE_ERROR, 1,
633 "Read error, Reg=[0x%02x], Status=%d",
634 reg, ret);
635
636 return ret < 0 ? ret : -EREMOTEIO;
637 }
638 if (unlikely(*state->verbose >= FE_DEBUGREG))
639 dprintk(FE_ERROR, 1, "Reg=[0x%02x], data=%02x",
640 reg, buf);
641
642 return (unsigned int) buf;
643 }
644
645 static int stv090x_write_regs(struct stv090x_state *state, unsigned int reg, u8 *data, u32 count)
646 {
647 const struct stv090x_config *config = state->config;
648 int ret;
649 u8 buf[2 + count];
650 struct i2c_msg i2c_msg = { .addr = config->address, .flags = 0, .buf = buf, .len = 2 + count };
651
652 buf[0] = reg >> 8;
653 buf[1] = reg & 0xff;
654 memcpy(&buf[2], data, count);
655
656 if (unlikely(*state->verbose >= FE_DEBUGREG)) {
657 int i;
658
659 printk(KERN_DEBUG "%s [0x%04x]:", __func__, reg);
660 for (i = 0; i < count; i++)
661 printk(" %02x", data[i]);
662 printk("\n");
663 }
664
665 ret = i2c_transfer(state->i2c, &i2c_msg, 1);
666 if (ret != 1) {
667 if (ret != -ERESTARTSYS)
668 dprintk(FE_ERROR, 1, "Reg=[0x%04x], Data=[0x%02x ...], Count=%u, Status=%d",
669 reg, data[0], count, ret);
670 return ret < 0 ? ret : -EREMOTEIO;
671 }
672
673 return 0;
674 }
675
676 static int stv090x_write_reg(struct stv090x_state *state, unsigned int reg, u8 data)
677 {
678 return stv090x_write_regs(state, reg, &data, 1);
679 }
680
681 static int stv090x_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
682 {
683 struct stv090x_state *state = fe->demodulator_priv;
684 u32 reg;
685
686 reg = STV090x_READ_DEMOD(state, I2CRPT);
687 if (enable) {
688 dprintk(FE_DEBUG, 1, "Enable Gate");
689 STV090x_SETFIELD_Px(reg, I2CT_ON_FIELD, 1);
690 if (STV090x_WRITE_DEMOD(state, I2CRPT, reg) < 0)
691 goto err;
692
693 } else {
694 dprintk(FE_DEBUG, 1, "Disable Gate");
695 STV090x_SETFIELD_Px(reg, I2CT_ON_FIELD, 0);
696 if ((STV090x_WRITE_DEMOD(state, I2CRPT, reg)) < 0)
697 goto err;
698 }
699 return 0;
700 err:
701 dprintk(FE_ERROR, 1, "I/O error");
702 return -1;
703 }
704
705 static void stv090x_get_lock_tmg(struct stv090x_state *state)
706 {
707 switch (state->algo) {
708 case STV090x_BLIND_SEARCH:
709 dprintk(FE_DEBUG, 1, "Blind Search");
710 if (state->srate <= 1500000) { /*10Msps< SR <=15Msps*/
711 state->DemodTimeout = 1500;
712 state->FecTimeout = 400;
713 } else if (state->srate <= 5000000) { /*10Msps< SR <=15Msps*/
714 state->DemodTimeout = 1000;
715 state->FecTimeout = 300;
716 } else { /*SR >20Msps*/
717 state->DemodTimeout = 700;
718 state->FecTimeout = 100;
719 }
720 break;
721
722 case STV090x_COLD_SEARCH:
723 case STV090x_WARM_SEARCH:
724 default:
725 dprintk(FE_DEBUG, 1, "Normal Search");
726 if (state->srate <= 1000000) { /*SR <=1Msps*/
727 state->DemodTimeout = 4500;
728 state->FecTimeout = 1700;
729 } else if (state->srate <= 2000000) { /*1Msps < SR <= 2Msps */
730 state->DemodTimeout = 2500;
731 state->FecTimeout = 1100;
732 } else if (state->srate <= 5000000) { /*2Msps < SR <= 5Msps */
733 state->DemodTimeout = 1000;
734 state->FecTimeout = 550;
735 } else if (state->srate <= 10000000) { /*5Msps < SR <= 10Msps */
736 state->DemodTimeout = 700;
737 state->FecTimeout = 250;
738 } else if (state->srate <= 20000000) { /*10Msps < SR <= 20Msps */
739 state->DemodTimeout = 400;
740 state->FecTimeout = 130;
741 } else { /*SR >20Msps*/
742 state->DemodTimeout = 300;
743 state->FecTimeout = 100;
744 }
745 break;
746 }
747
748 if (state->algo == STV090x_WARM_SEARCH)
749 state->DemodTimeout /= 2;
750 }
751
752 static int stv090x_set_srate(struct stv090x_state *state, u32 srate)
753 {
754 u32 sym;
755
756 if (srate > 60000000) {
757 sym = (srate << 4); /* SR * 2^16 / master_clk */
758 sym /= (state->mclk >> 12);
759 } else if (srate > 6000000) {
760 sym = (srate << 6);
761 sym /= (state->mclk >> 10);
762 } else {
763 sym = (srate << 9);
764 sym /= (state->mclk >> 7);
765 }
766
767 if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0x7f) < 0) /* MSB */
768 goto err;
769 if (STV090x_WRITE_DEMOD(state, SFRINIT0, (sym & 0xff)) < 0) /* LSB */
770 goto err;
771
772 return 0;
773 err:
774 dprintk(FE_ERROR, 1, "I/O error");
775 return -1;
776 }
777
778 static int stv090x_set_max_srate(struct stv090x_state *state, u32 clk, u32 srate)
779 {
780 u32 sym;
781
782 srate = 105 * (srate / 100);
783 if (srate > 60000000) {
784 sym = (srate << 4); /* SR * 2^16 / master_clk */
785 sym /= (state->mclk >> 12);
786 } else if (srate > 6000000) {
787 sym = (srate << 6);
788 sym /= (state->mclk >> 10);
789 } else {
790 sym = (srate << 9);
791 sym /= (state->mclk >> 7);
792 }
793
794 if (sym < 0x7fff) {
795 if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0) /* MSB */
796 goto err;
797 if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0) /* LSB */
798 goto err;
799 } else {
800 if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x7f) < 0) /* MSB */
801 goto err;
802 if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xff) < 0) /* LSB */
803 goto err;
804 }
805
806 return 0;
807 err:
808 dprintk(FE_ERROR, 1, "I/O error");
809 return -1;
810 }
811
812 static int stv090x_set_min_srate(struct stv090x_state *state, u32 clk, u32 srate)
813 {
814 u32 sym;
815
816 srate = 95 * (srate / 100);
817 if (srate > 60000000) {
818 sym = (srate << 4); /* SR * 2^16 / master_clk */
819 sym /= (state->mclk >> 12);
820 } else if (srate > 6000000) {
821 sym = (srate << 6);
822 sym /= (state->mclk >> 10);
823 } else {
824 sym = (srate << 9);
825 sym /= (state->mclk >> 7);
826 }
827
828 if (STV090x_WRITE_DEMOD(state, SFRLOW1, ((sym >> 8) & 0xff)) < 0) /* MSB */
829 goto err;
830 if (STV090x_WRITE_DEMOD(state, SFRLOW0, (sym & 0xff)) < 0) /* LSB */
831 goto err;
832 return 0;
833 err:
834 dprintk(FE_ERROR, 1, "I/O error");
835 return -1;
836 }
837
838 static u32 stv090x_car_width(u32 srate, enum stv090x_rolloff rolloff)
839 {
840 u32 ro;
841
842 switch (rolloff) {
843 case STV090x_RO_20:
844 ro = 20;
845 break;
846 case STV090x_RO_25:
847 ro = 25;
848 break;
849 case STV090x_RO_35:
850 default:
851 ro = 35;
852 break;
853 }
854
855 return srate + (srate * ro) / 100;
856 }
857
858 static int stv090x_set_vit_thacq(struct stv090x_state *state)
859 {
860 if (STV090x_WRITE_DEMOD(state, VTH12, 0x96) < 0)
861 goto err;
862 if (STV090x_WRITE_DEMOD(state, VTH23, 0x64) < 0)
863 goto err;
864 if (STV090x_WRITE_DEMOD(state, VTH34, 0x36) < 0)
865 goto err;
866 if (STV090x_WRITE_DEMOD(state, VTH56, 0x23) < 0)
867 goto err;
868 if (STV090x_WRITE_DEMOD(state, VTH67, 0x1e) < 0)
869 goto err;
870 if (STV090x_WRITE_DEMOD(state, VTH78, 0x19) < 0)
871 goto err;
872 return 0;
873 err:
874 dprintk(FE_ERROR, 1, "I/O error");
875 return -1;
876 }
877
878 static int stv090x_set_vit_thtracq(struct stv090x_state *state)
879 {
880 if (STV090x_WRITE_DEMOD(state, VTH12, 0xd0) < 0)
881 goto err;
882 if (STV090x_WRITE_DEMOD(state, VTH23, 0x7d) < 0)
883 goto err;
884 if (STV090x_WRITE_DEMOD(state, VTH34, 0x53) < 0)
885 goto err;
886 if (STV090x_WRITE_DEMOD(state, VTH56, 0x2f) < 0)
887 goto err;
888 if (STV090x_WRITE_DEMOD(state, VTH67, 0x24) < 0)
889 goto err;
890 if (STV090x_WRITE_DEMOD(state, VTH78, 0x1f) < 0)
891 goto err;
892 return 0;
893 err:
894 dprintk(FE_ERROR, 1, "I/O error");
895 return -1;
896 }
897
898 static int stv090x_set_viterbi(struct stv090x_state *state)
899 {
900 switch (state->search_mode) {
901 case STV090x_SEARCH_AUTO:
902 if (STV090x_WRITE_DEMOD(state, FECM, 0x10) < 0) /* DVB-S and DVB-S2 */
903 goto err;
904 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x3f) < 0) /* all puncture rate */
905 goto err;
906 break;
907 case STV090x_SEARCH_DVBS1:
908 if (STV090x_WRITE_DEMOD(state, FECM, 0x00) < 0) /* disable DSS */
909 goto err;
910 switch (state->fec) {
911 case STV090x_PR12:
912 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x01) < 0)
913 goto err;
914 break;
915
916 case STV090x_PR23:
917 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x02) < 0)
918 goto err;
919 break;
920
921 case STV090x_PR34:
922 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x04) < 0)
923 goto err;
924 break;
925
926 case STV090x_PR56:
927 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x08) < 0)
928 goto err;
929 break;
930
931 case STV090x_PR78:
932 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x20) < 0)
933 goto err;
934 break;
935
936 default:
937 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x2f) < 0) /* all */
938 goto err;
939 break;
940 }
941 break;
942 case STV090x_SEARCH_DSS:
943 if (STV090x_WRITE_DEMOD(state, FECM, 0x80) < 0)
944 goto err;
945 switch (state->fec) {
946 case STV090x_PR12:
947 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x01) < 0)
948 goto err;
949 break;
950
951 case STV090x_PR23:
952 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x02) < 0)
953 goto err;
954 break;
955
956 case STV090x_PR67:
957 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x10) < 0)
958 goto err;
959 break;
960
961 default:
962 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x13) < 0) /* 1/2, 2/3, 6/7 */
963 goto err;
964 break;
965 }
966 break;
967 default:
968 break;
969 }
970 return 0;
971 err:
972 dprintk(FE_ERROR, 1, "I/O error");
973 return -1;
974 }
975
976 static int stv090x_stop_modcod(struct stv090x_state *state)
977 {
978 if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
979 goto err;
980 if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xff) < 0)
981 goto err;
982 if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xff) < 0)
983 goto err;
984 if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xff) < 0)
985 goto err;
986 if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xff) < 0)
987 goto err;
988 if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xff) < 0)
989 goto err;
990 if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xff) < 0)
991 goto err;
992 if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xff) < 0)
993 goto err;
994 if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xff) < 0)
995 goto err;
996 if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xff) < 0)
997 goto err;
998 if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xff) < 0)
999 goto err;
1000 if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xff) < 0)
1001 goto err;
1002 if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xff) < 0)
1003 goto err;
1004 if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xff) < 0)
1005 goto err;
1006 if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xff) < 0)
1007 goto err;
1008 if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xff) < 0)
1009 goto err;
1010 return 0;
1011 err:
1012 dprintk(FE_ERROR, 1, "I/O error");
1013 return -1;
1014 }
1015
1016 static int stv090x_activate_modcod(struct stv090x_state *state)
1017 {
1018 if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
1019 goto err;
1020 if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xfc) < 0)
1021 goto err;
1022 if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xcc) < 0)
1023 goto err;
1024 if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xcc) < 0)
1025 goto err;
1026 if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xcc) < 0)
1027 goto err;
1028 if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xcc) < 0)
1029 goto err;
1030 if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xcc) < 0)
1031 goto err;
1032 if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xcc) < 0)
1033 goto err;
1034 if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xcc) < 0)
1035 goto err;
1036 if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xcc) < 0)
1037 goto err;
1038 if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xcc) < 0)
1039 goto err;
1040 if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xcc) < 0)
1041 goto err;
1042 if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xcc) < 0)
1043 goto err;
1044 if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xcc) < 0)
1045 goto err;
1046 if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xcc) < 0)
1047 goto err;
1048 if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xcf) < 0)
1049 goto err;
1050
1051 return 0;
1052 err:
1053 dprintk(FE_ERROR, 1, "I/O error");
1054 return -1;
1055 }
1056
1057 static int stv090x_activate_modcod_single(struct stv090x_state *state)
1058 {
1059
1060 if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
1061 goto err;
1062 if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xf0) < 0)
1063 goto err;
1064 if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0x00) < 0)
1065 goto err;
1066 if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0x00) < 0)
1067 goto err;
1068 if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0x00) < 0)
1069 goto err;
1070 if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0x00) < 0)
1071 goto err;
1072 if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0x00) < 0)
1073 goto err;
1074 if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0x00) < 0)
1075 goto err;
1076 if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0x00) < 0)
1077 goto err;
1078 if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0x00) < 0)
1079 goto err;
1080 if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0x00) < 0)
1081 goto err;
1082 if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0x00) < 0)
1083 goto err;
1084 if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0x00) < 0)
1085 goto err;
1086 if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0x00) < 0)
1087 goto err;
1088 if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0x00) < 0)
1089 goto err;
1090 if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0x0f) < 0)
1091 goto err;
1092
1093 return 0;
1094
1095 err:
1096 dprintk(FE_ERROR, 1, "I/O error");
1097 return -1;
1098 }
1099
1100 static int stv090x_vitclk_ctl(struct stv090x_state *state, int enable)
1101 {
1102 u32 reg;
1103
1104 switch (state->demod) {
1105 case STV090x_DEMODULATOR_0:
1106 mutex_lock(&demod_lock);
1107 reg = stv090x_read_reg(state, STV090x_STOPCLK2);
1108 STV090x_SETFIELD(reg, STOP_CLKVIT1_FIELD, enable);
1109 if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
1110 goto err;
1111 mutex_unlock(&demod_lock);
1112 break;
1113
1114 case STV090x_DEMODULATOR_1:
1115 mutex_lock(&demod_lock);
1116 reg = stv090x_read_reg(state, STV090x_STOPCLK2);
1117 STV090x_SETFIELD(reg, STOP_CLKVIT2_FIELD, enable);
1118 if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
1119 goto err;
1120 mutex_unlock(&demod_lock);
1121 break;
1122
1123 default:
1124 dprintk(FE_ERROR, 1, "Wrong demodulator!");
1125 break;
1126 }
1127 return 0;
1128 err:
1129 mutex_unlock(&demod_lock);
1130 dprintk(FE_ERROR, 1, "I/O error");
1131 return -1;
1132 }
1133
1134 static int stv090x_dvbs_track_crl(struct stv090x_state *state)
1135 {
1136 if (state->dev_ver >= 0x30) {
1137 /* Set ACLC BCLC optimised value vs SR */
1138 if (state->srate >= 15000000) {
1139 if (STV090x_WRITE_DEMOD(state, ACLC, 0x2b) < 0)
1140 goto err;
1141 if (STV090x_WRITE_DEMOD(state, BCLC, 0x1a) < 0)
1142 goto err;
1143 } else if ((state->srate >= 7000000) && (15000000 > state->srate)) {
1144 if (STV090x_WRITE_DEMOD(state, ACLC, 0x0c) < 0)
1145 goto err;
1146 if (STV090x_WRITE_DEMOD(state, BCLC, 0x1b) < 0)
1147 goto err;
1148 } else if (state->srate < 7000000) {
1149 if (STV090x_WRITE_DEMOD(state, ACLC, 0x2c) < 0)
1150 goto err;
1151 if (STV090x_WRITE_DEMOD(state, BCLC, 0x1c) < 0)
1152 goto err;
1153 }
1154
1155 } else {
1156 /* Cut 2.0 */
1157 if (STV090x_WRITE_DEMOD(state, ACLC, 0x1a) < 0)
1158 goto err;
1159 if (STV090x_WRITE_DEMOD(state, BCLC, 0x09) < 0)
1160 goto err;
1161 }
1162 return 0;
1163 err:
1164 dprintk(FE_ERROR, 1, "I/O error");
1165 return -1;
1166 }
1167
1168 static int stv090x_delivery_search(struct stv090x_state *state)
1169 {
1170 u32 reg;
1171
1172 switch (state->search_mode) {
1173 case STV090x_SEARCH_DVBS1:
1174 case STV090x_SEARCH_DSS:
1175 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1176 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
1177 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
1178 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1179 goto err;
1180
1181 /* Activate Viterbi decoder in legacy search,
1182 * do not use FRESVIT1, might impact VITERBI2
1183 */
1184 if (stv090x_vitclk_ctl(state, 0) < 0)
1185 goto err;
1186
1187 if (stv090x_dvbs_track_crl(state) < 0)
1188 goto err;
1189
1190 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x22) < 0) /* disable DVB-S2 */
1191 goto err;
1192
1193 if (stv090x_set_vit_thacq(state) < 0)
1194 goto err;
1195 if (stv090x_set_viterbi(state) < 0)
1196 goto err;
1197 break;
1198
1199 case STV090x_SEARCH_DVBS2:
1200 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1201 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
1202 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
1203 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1204 goto err;
1205 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
1206 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
1207 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1208 goto err;
1209
1210 if (stv090x_vitclk_ctl(state, 1) < 0)
1211 goto err;
1212
1213 if (STV090x_WRITE_DEMOD(state, ACLC, 0x1a) < 0) /* stop DVB-S CR loop */
1214 goto err;
1215 if (STV090x_WRITE_DEMOD(state, BCLC, 0x09) < 0)
1216 goto err;
1217
1218 if (state->dev_ver <= 0x20) {
1219 /* enable S2 carrier loop */
1220 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x26) < 0)
1221 goto err;
1222 } else {
1223 /* > Cut 3: Stop carrier 3 */
1224 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x66) < 0)
1225 goto err;
1226 }
1227
1228 if (state->demod_mode != STV090x_SINGLE) {
1229 /* Cut 2: enable link during search */
1230 if (stv090x_activate_modcod(state) < 0)
1231 goto err;
1232 } else {
1233 /* Single demodulator
1234 * Authorize SHORT and LONG frames,
1235 * QPSK, 8PSK, 16APSK and 32APSK
1236 */
1237 if (stv090x_activate_modcod_single(state) < 0)
1238 goto err;
1239 }
1240
1241 break;
1242
1243 case STV090x_SEARCH_AUTO:
1244 default:
1245 /* enable DVB-S2 and DVB-S2 in Auto MODE */
1246 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1247 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
1248 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
1249 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1250 goto err;
1251
1252 if (stv090x_vitclk_ctl(state, 0) < 0)
1253 goto err;
1254
1255 if (stv090x_dvbs_track_crl(state) < 0)
1256 goto err;
1257
1258 if (state->dev_ver <= 0x20) {
1259 /* enable S2 carrier loop */
1260 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x26) < 0)
1261 goto err;
1262 } else {
1263 /* > Cut 3: Stop carrier 3 */
1264 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x66) < 0)
1265 goto err;
1266 }
1267
1268 if (state->demod_mode != STV090x_SINGLE) {
1269 /* Cut 2: enable link during search */
1270 if (stv090x_activate_modcod(state) < 0)
1271 goto err;
1272 } else {
1273 /* Single demodulator
1274 * Authorize SHORT and LONG frames,
1275 * QPSK, 8PSK, 16APSK and 32APSK
1276 */
1277 if (stv090x_activate_modcod_single(state) < 0)
1278 goto err;
1279 }
1280
1281 if (state->srate >= 2000000) {
1282 /* Srate >= 2MSPS, Viterbi threshold to acquire */
1283 if (stv090x_set_vit_thacq(state) < 0)
1284 goto err;
1285 } else {
1286 /* Srate < 2MSPS, Reset Viterbi thresholdto track
1287 * and then re-acquire
1288 */
1289 if (stv090x_set_vit_thtracq(state) < 0)
1290 goto err;
1291 }
1292
1293 if (stv090x_set_viterbi(state) < 0)
1294 goto err;
1295 break;
1296 }
1297 return 0;
1298 err:
1299 dprintk(FE_ERROR, 1, "I/O error");
1300 return -1;
1301 }
1302
1303 static int stv090x_start_search(struct stv090x_state *state)
1304 {
1305 u32 reg, freq_abs;
1306 s16 freq;
1307
1308 /* Reset demodulator */
1309 reg = STV090x_READ_DEMOD(state, DMDISTATE);
1310 STV090x_SETFIELD_Px(reg, I2C_DEMOD_MODE_FIELD, 0x1f);
1311 if (STV090x_WRITE_DEMOD(state, DMDISTATE, reg) < 0)
1312 goto err;
1313
1314 if (state->dev_ver <= 0x20) {
1315 if (state->srate <= 5000000) {
1316 if (STV090x_WRITE_DEMOD(state, CARCFG, 0x44) < 0)
1317 goto err;
1318 if (STV090x_WRITE_DEMOD(state, CFRUP1, 0x0f) < 0)
1319 goto err;
1320 if (STV090x_WRITE_DEMOD(state, CFRUP1, 0xff) < 0)
1321 goto err;
1322 if (STV090x_WRITE_DEMOD(state, CFRLOW1, 0xf0) < 0)
1323 goto err;
1324 if (STV090x_WRITE_DEMOD(state, CFRLOW0, 0x00) < 0)
1325 goto err;
1326
1327 /*enlarge the timing bandwith for Low SR*/
1328 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x68) < 0)
1329 goto err;
1330 } else {
1331 /* If the symbol rate is >5 Msps
1332 Set The carrier search up and low to auto mode */
1333 if (STV090x_WRITE_DEMOD(state, CARCFG, 0xc4) < 0)
1334 goto err;
1335 /*reduce the timing bandwith for high SR*/
1336 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x44) < 0)
1337 goto err;
1338 }
1339 } else {
1340 /* >= Cut 3 */
1341 if (state->srate <= 5000000) {
1342 /* enlarge the timing bandwith for Low SR */
1343 STV090x_WRITE_DEMOD(state, RTCS2, 0x68);
1344 } else {
1345 /* reduce timing bandwith for high SR */
1346 STV090x_WRITE_DEMOD(state, RTCS2, 0x44);
1347 }
1348
1349 /* Set CFR min and max to manual mode */
1350 STV090x_WRITE_DEMOD(state, CARCFG, 0x46);
1351
1352 if (state->algo == STV090x_WARM_SEARCH) {
1353 /* WARM Start
1354 * CFR min = -1MHz,
1355 * CFR max = +1MHz
1356 */
1357 freq_abs = 1000 << 16;
1358 freq_abs /= (state->mclk / 1000);
1359 freq = (s16) freq_abs;
1360 } else {
1361 /* COLD Start
1362 * CFR min =- (SearchRange / 2 + 600KHz)
1363 * CFR max = +(SearchRange / 2 + 600KHz)
1364 * (600KHz for the tuner step size)
1365 */
1366 freq_abs = (state->search_range / 2000) + 600;
1367 freq_abs = freq_abs << 16;
1368 freq_abs /= (state->mclk / 1000);
1369 freq = (s16) freq_abs;
1370 }
1371
1372 if (STV090x_WRITE_DEMOD(state, CFRUP1, MSB(freq)) < 0)
1373 goto err;
1374 if (STV090x_WRITE_DEMOD(state, CFRUP1, LSB(freq)) < 0)
1375 goto err;
1376
1377 freq *= -1;
1378
1379 if (STV090x_WRITE_DEMOD(state, CFRLOW1, MSB(freq)) < 0)
1380 goto err;
1381 if (STV090x_WRITE_DEMOD(state, CFRLOW0, LSB(freq)) < 0)
1382 goto err;
1383
1384 }
1385
1386 if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0) < 0)
1387 goto err;
1388 if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0) < 0)
1389 goto err;
1390
1391 if (state->dev_ver >= 0x20) {
1392 if (STV090x_WRITE_DEMOD(state, EQUALCFG, 0x41) < 0)
1393 goto err;
1394 if (STV090x_WRITE_DEMOD(state, FFECFG, 0x41) < 0)
1395 goto err;
1396
1397 if ((state->search_mode == STV090x_DVBS1) ||
1398 (state->search_mode == STV090x_DSS) ||
1399 (state->search_mode == STV090x_SEARCH_AUTO)) {
1400
1401 if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x82) < 0)
1402 goto err;
1403 if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x00) < 0)
1404 goto err;
1405 }
1406 }
1407
1408 if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x00) < 0)
1409 goto err;
1410 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0xe0) < 0)
1411 goto err;
1412 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0xc0) < 0)
1413 goto err;
1414
1415 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1416 STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0);
1417 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
1418 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1419 goto err;
1420 reg = STV090x_READ_DEMOD(state, DMDCFG2);
1421 STV090x_SETFIELD_Px(reg, S1S2_SEQUENTIAL_FIELD, 0x0);
1422 if (STV090x_WRITE_DEMOD(state, DMDCFG2, reg) < 0)
1423 goto err;
1424
1425 if (state->dev_ver >= 0x20) {
1426 /*Frequency offset detector setting*/
1427 if (state->srate < 2000000) {
1428 if (state->dev_ver <= 0x20) {
1429 /* Cut 2 */
1430 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x39) < 0)
1431 goto err;
1432 } else {
1433 /* Cut 2 */
1434 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x89) < 0)
1435 goto err;
1436 }
1437 if (STV090x_WRITE_DEMOD(state, CARHDR, 0x40) < 0)
1438 goto err;
1439 }
1440
1441 if (state->srate < 10000000) {
1442 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x4c) < 0)
1443 goto err;
1444 } else {
1445 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x4b) < 0)
1446 goto err;
1447 }
1448 } else {
1449 if (state->srate < 10000000) {
1450 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0xef) < 0)
1451 goto err;
1452 } else {
1453 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0xed) < 0)
1454 goto err;
1455 }
1456 }
1457
1458 switch (state->algo) {
1459 case STV090x_WARM_SEARCH:
1460 /* The symbol rate and the exact
1461 * carrier Frequency are known
1462 */
1463 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
1464 goto err;
1465 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
1466 goto err;
1467 break;
1468
1469 case STV090x_COLD_SEARCH:
1470 /* The symbol rate is known */
1471 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
1472 goto err;
1473 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
1474 goto err;
1475 break;
1476
1477 default:
1478 break;
1479 }
1480 return 0;
1481 err:
1482 dprintk(FE_ERROR, 1, "I/O error");
1483 return -1;
1484 }
1485
1486 static int stv090x_get_agc2_min_level(struct stv090x_state *state)
1487 {
1488 u32 agc2_min = 0, agc2 = 0, freq_init, freq_step, reg;
1489 s32 i, j, steps, dir;
1490
1491 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
1492 goto err;
1493 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1494 STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 1);
1495 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 1);
1496 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1497 goto err;
1498
1499 if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x83) < 0) /* SR = 65 Msps Max */
1500 goto err;
1501 if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xc0) < 0)
1502 goto err;
1503 if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x82) < 0) /* SR= 400 ksps Min */
1504 goto err;
1505 if (STV090x_WRITE_DEMOD(state, SFRLOW0, 0xa0) < 0)
1506 goto err;
1507 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x00) < 0) /* stop acq @ coarse carrier state */
1508 goto err;
1509 if (stv090x_set_srate(state, 1000000) < 0)
1510 goto err;
1511
1512 steps = -1 + state->search_range / 1000000;
1513 steps /= 2;
1514 steps = (2 * steps) + 1;
1515 if (steps < 0)
1516 steps = 1;
1517
1518 dir = 1;
1519 freq_step = (1000000 * 256) / (state->mclk / 256);
1520 freq_init = 0;
1521
1522 for (i = 0; i < steps; i++) {
1523 if (dir > 0)
1524 freq_init = freq_init + (freq_step * i);
1525 else
1526 freq_init = freq_init - (freq_step * i);
1527
1528 dir = -1;
1529
1530 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5c) < 0) /* Demod RESET */
1531 goto err;
1532 if (STV090x_WRITE_DEMOD(state, CFRINIT1, (freq_init >> 8) & 0xff) < 0)
1533 goto err;
1534 if (STV090x_WRITE_DEMOD(state, CFRINIT0, freq_init & 0xff) < 0)
1535 goto err;
1536 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x58) < 0) /* Demod RESET */
1537 goto err;
1538 msleep(10);
1539 for (j = 0; j < 10; j++) {
1540 agc2 += STV090x_READ_DEMOD(state, AGC2I1) << 8;
1541 agc2 |= STV090x_READ_DEMOD(state, AGC2I0);
1542 }
1543 agc2 /= 10;
1544 agc2_min = 0xffff;
1545 if (agc2 < 0xffff)
1546 agc2_min = agc2;
1547 }
1548
1549 return agc2_min;
1550 err:
1551 dprintk(FE_ERROR, 1, "I/O error");
1552 return -1;
1553 }
1554
1555 static u32 stv090x_get_srate(struct stv090x_state *state, u32 clk)
1556 {
1557 u8 r3, r2, r1, r0;
1558 s32 srate, int_1, int_2, tmp_1, tmp_2;
1559
1560 r3 = STV090x_READ_DEMOD(state, SFR3);
1561 r2 = STV090x_READ_DEMOD(state, SFR2);
1562 r1 = STV090x_READ_DEMOD(state, SFR1);
1563 r0 = STV090x_READ_DEMOD(state, SFR0);
1564
1565 srate = ((r3 << 24) | (r2 << 16) | (r1 << 8) | r0);
1566
1567 int_1 = clk >> 16;
1568 int_2 = srate >> 16;
1569
1570 tmp_1 = clk % 0x10000;
1571 tmp_2 = srate % 0x10000;
1572
1573 srate = (int_1 * int_2) +
1574 ((int_1 * tmp_2) >> 16) +
1575 ((int_2 * tmp_1) >> 16);
1576
1577 return srate;
1578 }
1579
1580 static u32 stv090x_srate_srch_coarse(struct stv090x_state *state)
1581 {
1582 struct dvb_frontend *fe = &state->frontend;
1583
1584 int tmg_lock = 0, i;
1585 s32 tmg_cpt = 0, dir = 1, steps, cur_step = 0, freq;
1586 u32 srate_coarse = 0, agc2 = 0, car_step = 1200, reg;
1587
1588 reg = STV090x_READ_DEMOD(state, DMDISTATE);
1589 STV090x_SETFIELD_Px(reg, I2C_DEMOD_MODE_FIELD, 0x1f); /* Demod RESET */
1590 if (STV090x_WRITE_DEMOD(state, DMDISTATE, reg) < 0)
1591 goto err;
1592 if (STV090x_WRITE_DEMOD(state, TMGCFG, 0x12) < 0)
1593 goto err;
1594 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0xf0) < 0)
1595 goto err;
1596 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0xe0) < 0)
1597 goto err;
1598 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1599 STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 1);
1600 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 1);
1601 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1602 goto err;
1603
1604 if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x83) < 0)
1605 goto err;
1606 if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xc0) < 0)
1607 goto err;
1608 if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x82) < 0)
1609 goto err;
1610 if (STV090x_WRITE_DEMOD(state, SFRLOW0, 0xa0) < 0)
1611 goto err;
1612 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x00) < 0)
1613 goto err;
1614 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x60) < 0)
1615 goto err;
1616
1617 if (state->dev_ver >= 0x30) {
1618 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x99) < 0)
1619 goto err;
1620 if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x95) < 0)
1621 goto err;
1622
1623 } else if (state->dev_ver >= 0x20) {
1624 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x6a) < 0)
1625 goto err;
1626 if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x95) < 0)
1627 goto err;
1628 }
1629
1630 if (state->srate <= 2000000)
1631 car_step = 1000;
1632 else if (state->srate <= 5000000)
1633 car_step = 2000;
1634 else if (state->srate <= 12000000)
1635 car_step = 3000;
1636 else
1637 car_step = 5000;
1638
1639 steps = -1 + ((state->search_range / 1000) / car_step);
1640 steps /= 2;
1641 steps = (2 * steps) + 1;
1642 if (steps < 0)
1643 steps = 1;
1644 else if (steps > 10) {
1645 steps = 11;
1646 car_step = (state->search_range / 1000) / 10;
1647 }
1648 cur_step = 0;
1649 dir = 1;
1650 freq = state->frequency;
1651
1652 while ((!tmg_lock) && (cur_step < steps)) {
1653 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5f) < 0) /* Demod RESET */
1654 goto err;
1655 reg = STV090x_READ_DEMOD(state, DMDISTATE);
1656 STV090x_SETFIELD_Px(reg, I2C_DEMOD_MODE_FIELD, 0x00); /* trigger acquisition */
1657 if (STV090x_WRITE_DEMOD(state, DMDISTATE, reg) < 0)
1658 goto err;
1659 msleep(50);
1660 for (i = 0; i < 10; i++) {
1661 reg = STV090x_READ_DEMOD(state, DSTATUS);
1662 if (STV090x_GETFIELD_Px(reg, TMGLOCK_QUALITY_FIELD) >= 2)
1663 tmg_cpt++;
1664 agc2 += STV090x_READ_DEMOD(state, AGC2I1) << 8;
1665 agc2 |= STV090x_READ_DEMOD(state, AGC2I0);
1666 }
1667 agc2 /= 10;
1668 srate_coarse = stv090x_get_srate(state, state->mclk);
1669 cur_step++;
1670 dir *= -1;
1671 if ((tmg_cpt >= 5) && (agc2 < 0x1f00) && (srate_coarse < 55000000) && (srate_coarse > 850000))
1672 tmg_lock = 1;
1673 else if (cur_step < steps) {
1674 if (dir > 0)
1675 freq += cur_step * car_step;
1676 else
1677 freq -= cur_step * car_step;
1678
1679 /* Setup tuner */
1680 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
1681 goto err;
1682
1683 if (state->config->tuner_set_frequency) {
1684 if (state->config->tuner_set_frequency(fe, state->frequency) < 0)
1685 goto err;
1686 }
1687
1688 if (state->config->tuner_set_bandwidth) {
1689 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
1690 goto err;
1691 }
1692
1693 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
1694 goto err;
1695
1696 msleep(50);
1697
1698 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
1699 goto err;
1700
1701 if (state->config->tuner_get_status) {
1702 if (state->config->tuner_get_status(fe, &reg) < 0)
1703 goto err;
1704 }
1705
1706 if (reg)
1707 dprintk(FE_DEBUG, 1, "Tuner phase locked");
1708 else
1709 dprintk(FE_DEBUG, 1, "Tuner unlocked");
1710
1711 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
1712 goto err;
1713
1714 }
1715 }
1716 if (!tmg_lock)
1717 srate_coarse = 0;
1718 else
1719 srate_coarse = stv090x_get_srate(state, state->mclk);
1720
1721 return srate_coarse;
1722 err:
1723 dprintk(FE_ERROR, 1, "I/O error");
1724 return -1;
1725 }
1726
1727 static u32 stv090x_srate_srch_fine(struct stv090x_state *state)
1728 {
1729 u32 srate_coarse, freq_coarse, sym, reg;
1730
1731 srate_coarse = stv090x_get_srate(state, state->mclk);
1732 freq_coarse = STV090x_READ_DEMOD(state, CFR2) << 8;
1733 freq_coarse |= STV090x_READ_DEMOD(state, CFR1);
1734 sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
1735
1736 if (sym < state->srate)
1737 srate_coarse = 0;
1738 else {
1739 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0) /* Demod RESET */
1740 goto err;
1741 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0x01) < 0)
1742 goto err;
1743 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0x20) < 0)
1744 goto err;
1745 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0x00) < 0)
1746 goto err;
1747 if (STV090x_WRITE_DEMOD(state, TMGCFG, 0xd2) < 0)
1748 goto err;
1749 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1750 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00);
1751 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1752 goto err;
1753
1754 if (state->dev_ver >= 0x30) {
1755 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x79) < 0)
1756 goto err;
1757 } else if (state->dev_ver >= 0x20) {
1758 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
1759 goto err;
1760 }
1761
1762 if (srate_coarse > 3000000) {
1763 sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
1764 sym = (sym / 1000) * 65536;
1765 sym /= (state->mclk / 1000);
1766 if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0)
1767 goto err;
1768 if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0)
1769 goto err;
1770 sym = 10 * (srate_coarse / 13); /* SFRLOW = SFR - 30% */
1771 sym = (sym / 1000) * 65536;
1772 sym /= (state->mclk / 1000);
1773 if (STV090x_WRITE_DEMOD(state, SFRLOW1, (sym >> 8) & 0x7f) < 0)
1774 goto err;
1775 if (STV090x_WRITE_DEMOD(state, SFRLOW0, sym & 0xff) < 0)
1776 goto err;
1777 sym = (srate_coarse / 1000) * 65536;
1778 sym /= (state->mclk / 1000);
1779 if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0xff) < 0)
1780 goto err;
1781 if (STV090x_WRITE_DEMOD(state, SFRINIT0, sym & 0xff) < 0)
1782 goto err;
1783 } else {
1784 sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
1785 sym = (sym / 100) * 65536;
1786 sym /= (state->mclk / 100);
1787 if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0)
1788 goto err;
1789 if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0)
1790 goto err;
1791 sym = 10 * (srate_coarse / 14); /* SFRLOW = SFR - 30% */
1792 sym = (sym / 100) * 65536;
1793 sym /= (state->mclk / 100);
1794 if (STV090x_WRITE_DEMOD(state, SFRLOW1, (sym >> 8) & 0x7f) < 0)
1795 goto err;
1796 if (STV090x_WRITE_DEMOD(state, SFRLOW0, sym & 0xff) < 0)
1797 goto err;
1798 sym = (srate_coarse / 100) * 65536;
1799 sym /= (state->mclk / 100);
1800 if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0xff) < 0)
1801 goto err;
1802 if (STV090x_WRITE_DEMOD(state, SFRINIT0, sym & 0xff) < 0)
1803 goto err;
1804 }
1805 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x20) < 0)
1806 goto err;
1807 if (STV090x_WRITE_DEMOD(state, CFRINIT1, (freq_coarse >> 8) & 0xff) < 0)
1808 goto err;
1809 if (STV090x_WRITE_DEMOD(state, CFRINIT0, freq_coarse & 0xff) < 0)
1810 goto err;
1811 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0) /* trigger acquisition */
1812 goto err;
1813 }
1814
1815 return srate_coarse;
1816
1817 err:
1818 dprintk(FE_ERROR, 1, "I/O error");
1819 return -1;
1820 }
1821
1822 static int stv090x_get_dmdlock(struct stv090x_state *state, s32 timeout)
1823 {
1824 s32 timer = 0, lock = 0;
1825 u32 reg;
1826 u8 stat;
1827
1828 while ((timer < timeout) && (!lock)) {
1829 reg = STV090x_READ_DEMOD(state, DMDSTATE);
1830 stat = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
1831
1832 switch (stat) {
1833 case 0: /* searching */
1834 case 1: /* first PLH detected */
1835 default:
1836 dprintk(FE_DEBUG, 1, "Demodulator searching ..");
1837 lock = 0;
1838 break;
1839 case 2: /* DVB-S2 mode */
1840 case 3: /* DVB-S1/legacy mode */
1841 reg = STV090x_READ_DEMOD(state, DSTATUS);
1842 lock = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
1843 break;
1844 }
1845
1846 if (!lock)
1847 msleep(10);
1848 else
1849 dprintk(FE_DEBUG, 1, "Demodulator acquired LOCK");
1850
1851 timer += 10;
1852 }
1853 return lock;
1854 }
1855
1856 static int stv090x_blind_search(struct stv090x_state *state)
1857 {
1858 u32 agc2, reg, srate_coarse;
1859 s32 timeout_dmd = 500, cpt_fail, agc2_ovflw, i;
1860 u8 k_ref, k_max, k_min;
1861 int coarse_fail, lock;
1862
1863 k_max = 120;
1864 k_min = 30;
1865
1866 agc2 = stv090x_get_agc2_min_level(state);
1867
1868 if (agc2 > STV090x_SEARCH_AGC2_TH(state->dev_ver)) {
1869 lock = 0;
1870 } else {
1871
1872 if (state->dev_ver <= 0x20) {
1873 if (STV090x_WRITE_DEMOD(state, CARCFG, 0xc4) < 0)
1874 goto err;
1875 } else {
1876 /* > Cut 3 */
1877 if (STV090x_WRITE_DEMOD(state, CARCFG, 0x06) < 0)
1878 goto err;
1879 }
1880
1881 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x44) < 0)
1882 goto err;
1883
1884 if (state->dev_ver >= 0x20) {
1885 if (STV090x_WRITE_DEMOD(state, EQUALCFG, 0x41) < 0)
1886 goto err;
1887 if (STV090x_WRITE_DEMOD(state, FFECFG, 0x41) < 0)
1888 goto err;
1889 if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x82) < 0)
1890 goto err;
1891 if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x00) < 0) /* set viterbi hysteresis */
1892 goto err;
1893 }
1894
1895 k_ref = k_max;
1896 do {
1897 if (STV090x_WRITE_DEMOD(state, KREFTMG, k_ref) < 0)
1898 goto err;
1899 if (stv090x_srate_srch_coarse(state) != 0) {
1900 srate_coarse = stv090x_srate_srch_fine(state);
1901 if (srate_coarse != 0) {
1902 stv090x_get_lock_tmg(state);
1903 lock = stv090x_get_dmdlock(state, timeout_dmd);
1904 } else {
1905 lock = 0;
1906 }
1907 } else {
1908 cpt_fail = 0;
1909 agc2_ovflw = 0;
1910 for (i = 0; i < 10; i++) {
1911 agc2 = STV090x_READ_DEMOD(state, AGC2I1) << 8;
1912 agc2 |= STV090x_READ_DEMOD(state, AGC2I0);
1913 if (agc2 >= 0xff00)
1914 agc2_ovflw++;
1915 reg = STV090x_READ_DEMOD(state, DSTATUS2);
1916 if ((STV090x_GETFIELD_Px(reg, CFR_OVERFLOW_FIELD) == 0x01) &&
1917 (STV090x_GETFIELD_Px(reg, DEMOD_DELOCK_FIELD) == 0x01))
1918
1919 cpt_fail++;
1920 }
1921 if ((cpt_fail > 7) || (agc2_ovflw > 7))
1922 coarse_fail = 1;
1923
1924 lock = 0;
1925 }
1926 k_ref -= 30;
1927 } while ((k_ref >= k_min) && (!lock) && (!coarse_fail));
1928 }
1929
1930 return lock;
1931
1932 err:
1933 dprintk(FE_ERROR, 1, "I/O error");
1934 return -1;
1935 }
1936
1937 static int stv090x_chk_tmg(struct stv090x_state *state)
1938 {
1939 u32 reg;
1940 s32 tmg_cpt = 0, i;
1941 u8 freq, tmg_thh, tmg_thl;
1942 int tmg_lock;
1943
1944 freq = STV090x_READ_DEMOD(state, CARFREQ);
1945 tmg_thh = STV090x_READ_DEMOD(state, TMGTHRISE);
1946 tmg_thl = STV090x_READ_DEMOD(state, TMGTHFALL);
1947 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0x20) < 0)
1948 goto err;
1949 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0x00) < 0)
1950 goto err;
1951
1952 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1953 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00); /* stop carrier offset search */
1954 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1955 goto err;
1956 if (STV090x_WRITE_DEMOD(state, RTC, 0x80) < 0)
1957 goto err;
1958
1959 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x40) < 0)
1960 goto err;
1961 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x00) < 0)
1962 goto err;
1963
1964 if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0) /* set car ofset to 0 */
1965 goto err;
1966 if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
1967 goto err;
1968 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x65) < 0)
1969 goto err;
1970
1971 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0) /* trigger acquisition */
1972 goto err;
1973 msleep(10);
1974
1975 for (i = 0; i < 10; i++) {
1976 reg = STV090x_READ_DEMOD(state, DSTATUS);
1977 if (STV090x_GETFIELD_Px(reg, TMGLOCK_QUALITY_FIELD) >= 2)
1978 tmg_cpt++;
1979 msleep(1);
1980 }
1981 if (tmg_cpt >= 3)
1982 tmg_lock = 1;
1983
1984 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
1985 goto err;
1986 if (STV090x_WRITE_DEMOD(state, RTC, 0x88) < 0) /* DVB-S1 timing */
1987 goto err;
1988 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x68) < 0) /* DVB-S2 timing */
1989 goto err;
1990
1991 if (STV090x_WRITE_DEMOD(state, CARFREQ, freq) < 0)
1992 goto err;
1993 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, tmg_thh) < 0)
1994 goto err;
1995 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, tmg_thl) < 0)
1996 goto err;
1997
1998 return tmg_lock;
1999
2000 err:
2001 dprintk(FE_ERROR, 1, "I/O error");
2002 return -1;
2003 }
2004
2005 static int stv090x_get_coldlock(struct stv090x_state *state, s32 timeout_dmd)
2006 {
2007 struct dvb_frontend *fe = &state->frontend;
2008
2009 u32 reg;
2010 s32 car_step, steps, cur_step, dir, freq, timeout_lock;
2011 int lock = 0;
2012
2013 if (state->srate >= 10000000)
2014 timeout_lock = timeout_dmd / 3;
2015 else
2016 timeout_lock = timeout_dmd / 2;
2017
2018 lock = stv090x_get_dmdlock(state, timeout_lock); /* cold start wait */
2019 if (!lock) {
2020 if (state->srate >= 10000000) {
2021 if (stv090x_chk_tmg(state)) {
2022 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
2023 goto err;
2024 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
2025 goto err;
2026 lock = stv090x_get_dmdlock(state, timeout_dmd);
2027 } else {
2028 lock = 0;
2029 }
2030 } else {
2031 if (state->srate <= 4000000)
2032 car_step = 1000;
2033 else if (state->srate <= 7000000)
2034 car_step = 2000;
2035 else if (state->srate <= 10000000)
2036 car_step = 3000;
2037 else
2038 car_step = 5000;
2039
2040 steps = (state->search_range / 1000) / car_step;
2041 steps /= 2;
2042 steps = 2 * (steps + 1);
2043 if (steps < 0)
2044 steps = 2;
2045 else if (steps > 12)
2046 steps = 12;
2047
2048 cur_step = 1;
2049 dir = 1;
2050
2051 if (!lock) {
2052 freq = state->frequency;
2053 state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + state->srate;
2054 while ((cur_step <= steps) && (!lock)) {
2055 if (dir > 0)
2056 freq += cur_step * car_step;
2057 else
2058 freq -= cur_step * car_step;
2059
2060 /* Setup tuner */
2061 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
2062 goto err;
2063
2064 if (state->config->tuner_set_frequency) {
2065 if (state->config->tuner_set_frequency(fe, state->frequency) < 0)
2066 goto err;
2067 }
2068
2069 if (state->config->tuner_set_bandwidth) {
2070 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
2071 goto err;
2072 }
2073
2074 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
2075 goto err;
2076
2077 msleep(50);
2078
2079 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
2080 goto err;
2081
2082 if (state->config->tuner_get_status) {
2083 if (state->config->tuner_get_status(fe, &reg) < 0)
2084 goto err;
2085 }
2086
2087 if (reg)
2088 dprintk(FE_DEBUG, 1, "Tuner phase locked");
2089 else
2090 dprintk(FE_DEBUG, 1, "Tuner unlocked");
2091
2092 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
2093 goto err;
2094
2095 STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c);
2096 if (state->delsys == STV090x_DVBS2) {
2097 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2098 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
2099 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
2100 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2101 goto err;
2102 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
2103 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
2104 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2105 goto err;
2106 }
2107 if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0)
2108 goto err;
2109 if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
2110 goto err;
2111 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
2112 goto err;
2113 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
2114 goto err;
2115 lock = stv090x_get_dmdlock(state, (timeout_dmd / 3));
2116
2117 dir *= -1;
2118 cur_step++;
2119 }
2120 }
2121 }
2122 }
2123
2124 return lock;
2125
2126 err:
2127 dprintk(FE_ERROR, 1, "I/O error");
2128 return -1;
2129 }
2130
2131 static int stv090x_get_loop_params(struct stv090x_state *state, s32 *freq_inc, s32 *timeout_sw, s32 *steps)
2132 {
2133 s32 timeout, inc, steps_max, srate, car_max;
2134
2135 srate = state->srate;
2136 car_max = state->search_range / 1000;
2137 car_max += car_max / 10;
2138 car_max = 65536 * (car_max / 2);
2139 car_max /= (state->mclk / 1000);
2140
2141 if (car_max > 0x4000)
2142 car_max = 0x4000 ; /* maxcarrier should be<= +-1/4 Mclk */
2143
2144 inc = srate;
2145 inc /= state->mclk / 1000;
2146 inc *= 256;
2147 inc *= 256;
2148 inc /= 1000;
2149
2150 switch (state->search_mode) {
2151 case STV090x_SEARCH_DVBS1:
2152 case STV090x_SEARCH_DSS:
2153 inc *= 3; /* freq step = 3% of srate */
2154 timeout = 20;
2155 break;
2156
2157 case STV090x_SEARCH_DVBS2:
2158 inc *= 4;
2159 timeout = 25;
2160 break;
2161
2162 case STV090x_SEARCH_AUTO:
2163 default:
2164 inc *= 3;
2165 timeout = 25;
2166 break;
2167 }
2168 inc /= 100;
2169 if ((inc > car_max) || (inc < 0))
2170 inc = car_max / 2; /* increment <= 1/8 Mclk */
2171
2172 timeout *= 27500; /* 27.5 Msps reference */
2173 if (srate > 0)
2174 timeout /= (srate / 1000);
2175
2176 if ((timeout > 100) || (timeout < 0))
2177 timeout = 100;
2178
2179 steps_max = (car_max / inc) + 1; /* min steps = 3 */
2180 if ((steps_max > 100) || (steps_max < 0)) {
2181 steps_max = 100; /* max steps <= 100 */
2182 inc = car_max / steps_max;
2183 }
2184 *freq_inc = inc;
2185 *timeout_sw = timeout;
2186 *steps = steps_max;
2187
2188 return 0;
2189 }
2190
2191 static int stv090x_chk_signal(struct stv090x_state *state)
2192 {
2193 s32 offst_car, agc2, car_max;
2194 int no_signal;
2195
2196 offst_car = STV090x_READ_DEMOD(state, CFR2) << 8;
2197 offst_car |= STV090x_READ_DEMOD(state, CFR1);
2198 offst_car = comp2(offst_car, 16);
2199
2200 agc2 = STV090x_READ_DEMOD(state, AGC2I1) << 8;
2201 agc2 |= STV090x_READ_DEMOD(state, AGC2I0);
2202 car_max = state->search_range / 1000;
2203
2204 car_max += (car_max / 10); /* 10% margin */
2205 car_max = (65536 * car_max / 2);
2206 car_max /= state->mclk / 1000;
2207
2208 if (car_max > 0x4000)
2209 car_max = 0x4000;
2210
2211 if ((agc2 > 0x2000) || (offst_car > 2 * car_max) || (offst_car < -2 * car_max)) {
2212 no_signal = 1;
2213 dprintk(FE_DEBUG, 1, "No Signal");
2214 } else {
2215 no_signal = 0;
2216 dprintk(FE_DEBUG, 1, "Found Signal");
2217 }
2218
2219 return no_signal;
2220 }
2221
2222 static int stv090x_search_car_loop(struct stv090x_state *state, s32 inc, s32 timeout, int zigzag, s32 steps_max)
2223 {
2224 int no_signal, lock = 0;
2225 s32 cpt_step = 0, offst_freq, car_max;
2226 u32 reg;
2227
2228 car_max = state->search_range / 1000;
2229 car_max += (car_max / 10);
2230 car_max = (65536 * car_max / 2);
2231 car_max /= (state->mclk / 1000);
2232 if (car_max > 0x4000)
2233 car_max = 0x4000;
2234
2235 if (zigzag)
2236 offst_freq = 0;
2237 else
2238 offst_freq = -car_max + inc;
2239
2240 do {
2241 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c) < 0)
2242 goto err;
2243 if (STV090x_WRITE_DEMOD(state, CFRINIT1, ((offst_freq / 256) & 0xff)) < 0)
2244 goto err;
2245 if (STV090x_WRITE_DEMOD(state, CFRINIT0, offst_freq & 0xff) < 0)
2246 goto err;
2247 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
2248 goto err;
2249
2250 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
2251 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x1); /* stop DVB-S2 packet delin */
2252 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
2253 goto err;
2254
2255 if (zigzag) {
2256 if (offst_freq >= 0)
2257 offst_freq = -offst_freq - 2 * inc;
2258 else
2259 offst_freq = -offst_freq;
2260 } else {
2261 offst_freq += 2 * inc;
2262 }
2263
2264 cpt_step++;
2265
2266 lock = stv090x_get_dmdlock(state, timeout);
2267 no_signal = stv090x_chk_signal(state);
2268
2269 } while ((!lock) &&
2270 (!no_signal) &&
2271 ((offst_freq - inc) < car_max) &&
2272 ((offst_freq + inc) > -car_max) &&
2273 (cpt_step < steps_max));
2274
2275 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
2276 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0);
2277 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
2278 goto err;
2279
2280 return lock;
2281 err:
2282 dprintk(FE_ERROR, 1, "I/O error");
2283 return -1;
2284 }
2285
2286 static int stv090x_sw_algo(struct stv090x_state *state)
2287 {
2288 int no_signal, zigzag, lock = 0;
2289 u32 reg;
2290
2291 s32 dvbs2_fly_wheel;
2292 s32 inc, timeout_step, trials, steps_max;
2293
2294 /* get params */
2295 stv090x_get_loop_params(state, &inc, &timeout_step, &steps_max);
2296
2297 switch (state->search_mode) {
2298 case STV090x_SEARCH_DVBS1:
2299 case STV090x_SEARCH_DSS:
2300 /* accelerate the frequency detector */
2301 if (state->dev_ver >= 0x20) {
2302 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x3B) < 0)
2303 goto err;
2304 }
2305
2306 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x49) < 0)
2307 goto err;
2308 zigzag = 0;
2309 break;
2310
2311 case STV090x_SEARCH_DVBS2:
2312 if (state->dev_ver >= 0x20) {
2313 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
2314 goto err;
2315 }
2316
2317 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x89) < 0)
2318 goto err;
2319 zigzag = 1;
2320 break;
2321
2322 case STV090x_SEARCH_AUTO:
2323 default:
2324 /* accelerate the frequency detector */
2325 if (state->dev_ver >= 0x20) {
2326 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x3b) < 0)
2327 goto err;
2328 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
2329 goto err;
2330 }
2331
2332 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0xc9) < 0)
2333 goto err;
2334 zigzag = 0;
2335 break;
2336 }
2337
2338 trials = 0;
2339 do {
2340 lock = stv090x_search_car_loop(state, inc, timeout_step, zigzag, steps_max);
2341 no_signal = stv090x_chk_signal(state);
2342 trials++;
2343
2344 /*run the SW search 2 times maximum*/
2345 if (lock || no_signal || (trials == 2)) {
2346 /*Check if the demod is not losing lock in DVBS2*/
2347 if (state->dev_ver >= 0x20) {
2348 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
2349 goto err;
2350 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x9e) < 0)
2351 goto err;
2352 }
2353
2354 reg = STV090x_READ_DEMOD(state, DMDSTATE);
2355 if ((lock) && (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == STV090x_DVBS2)) {
2356 /*Check if the demod is not losing lock in DVBS2*/
2357 msleep(timeout_step);
2358 reg = STV090x_READ_DEMOD(state, DMDFLYW);
2359 dvbs2_fly_wheel = STV090x_GETFIELD_Px(reg, FLYWHEEL_CPT_FIELD);
2360 if (dvbs2_fly_wheel < 0xd) { /*if correct frames is decrementing */
2361 msleep(timeout_step);
2362 reg = STV090x_READ_DEMOD(state, DMDFLYW);
2363 dvbs2_fly_wheel = STV090x_GETFIELD_Px(reg, FLYWHEEL_CPT_FIELD);
2364 }
2365 if (dvbs2_fly_wheel < 0xd) {
2366 /*FALSE lock, The demod is loosing lock */
2367 lock = 0;
2368 if (trials < 2) {
2369 if (state->dev_ver >= 0x20) {
2370 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
2371 goto err;
2372 }
2373
2374 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x89) < 0)
2375 goto err;
2376 }
2377 }
2378 }
2379 }
2380 } while ((!lock) && (trials < 2) && (!no_signal));
2381
2382 return lock;
2383 err:
2384 dprintk(FE_ERROR, 1, "I/O error");
2385 return -1;
2386 }
2387
2388 static enum stv090x_delsys stv090x_get_std(struct stv090x_state *state)
2389 {
2390 u32 reg;
2391 enum stv090x_delsys delsys;
2392
2393 reg = STV090x_READ_DEMOD(state, DMDSTATE);
2394 if (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == 2)
2395 delsys = STV090x_DVBS2;
2396 else if (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == 3) {
2397 reg = STV090x_READ_DEMOD(state, FECM);
2398 if (STV090x_GETFIELD_Px(reg, DSS_DVB_FIELD) == 1)
2399 delsys = STV090x_DSS;
2400 else
2401 delsys = STV090x_DVBS1;
2402 } else {
2403 delsys = STV090x_ERROR;
2404 }
2405
2406 return delsys;
2407 }
2408
2409 /* in Hz */
2410 static s32 stv090x_get_car_freq(struct stv090x_state *state, u32 mclk)
2411 {
2412 s32 derot, int_1, int_2, tmp_1, tmp_2;
2413
2414 derot = STV090x_READ_DEMOD(state, CFR2) << 16;
2415 derot |= STV090x_READ_DEMOD(state, CFR1) << 8;
2416 derot |= STV090x_READ_DEMOD(state, CFR0);
2417
2418 derot = comp2(derot, 24);
2419 int_1 = state->mclk >> 12;
2420 int_2 = derot >> 12;
2421
2422 /* carrier_frequency = MasterClock * Reg / 2^24 */
2423 tmp_1 = state->mclk % 0x1000;
2424 tmp_2 = derot % 0x1000;
2425
2426 derot = (int_1 * int_2) +
2427 ((int_1 * tmp_2) >> 12) +
2428 ((int_1 * tmp_1) >> 12);
2429
2430 return derot;
2431 }
2432
2433 static int stv090x_get_viterbi(struct stv090x_state *state)
2434 {
2435 u32 reg, rate;
2436
2437 reg = STV090x_READ_DEMOD(state, VITCURPUN);
2438 rate = STV090x_GETFIELD_Px(reg, VIT_CURPUN_FIELD);
2439
2440 switch (rate) {
2441 case 13:
2442 state->fec = STV090x_PR12;
2443 break;
2444
2445 case 18:
2446 state->fec = STV090x_PR23;
2447 break;
2448
2449 case 21:
2450 state->fec = STV090x_PR34;
2451 break;
2452
2453 case 24:
2454 state->fec = STV090x_PR56;
2455 break;
2456
2457 case 25:
2458 state->fec = STV090x_PR67;
2459 break;
2460
2461 case 26:
2462 state->fec = STV090x_PR78;
2463 break;
2464
2465 default:
2466 state->fec = STV090x_PRERR;
2467 break;
2468 }
2469
2470 return 0;
2471 }
2472
2473 static enum stv090x_signal_state stv090x_get_sig_params(struct stv090x_state *state)
2474 {
2475 struct dvb_frontend *fe = &state->frontend;
2476
2477 u8 tmg;
2478 u32 reg;
2479 s32 i = 0, offst_freq;
2480
2481 msleep(5);
2482
2483 if (state->algo == STV090x_BLIND_SEARCH) {
2484 tmg = STV090x_READ_DEMOD(state, TMGREG2);
2485 STV090x_WRITE_DEMOD(state, SFRSTEP, 0x5c);
2486 while ((i <= 50) && (tmg != 0) && (tmg != 0xff)) {
2487 tmg = STV090x_READ_DEMOD(state, TMGREG2);
2488 msleep(5);
2489 i += 5;
2490 }
2491 }
2492 state->delsys = stv090x_get_std(state);
2493
2494 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
2495 goto err;
2496
2497 if (state->config->tuner_get_frequency) {
2498 if (state->config->tuner_get_frequency(fe, &state->frequency) < 0)
2499 goto err;
2500 }
2501
2502 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
2503 goto err;
2504
2505 offst_freq = stv090x_get_car_freq(state, state->mclk) / 1000;
2506 state->frequency += offst_freq;
2507
2508 if (stv090x_get_viterbi(state) < 0)
2509 goto err;
2510
2511 reg = STV090x_READ_DEMOD(state, DMDMODCOD);
2512 state->modcod = STV090x_GETFIELD_Px(reg, DEMOD_MODCOD_FIELD);
2513 state->pilots = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) & 0x01;
2514 state->frame_len = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) >> 1;
2515 reg = STV090x_READ_DEMOD(state, TMGOBS);
2516 state->rolloff = STV090x_GETFIELD_Px(reg, ROLLOFF_STATUS_FIELD);
2517 reg = STV090x_READ_DEMOD(state, FECM);
2518 state->inversion = STV090x_GETFIELD_Px(reg, IQINV_FIELD);
2519
2520 if ((state->algo == STV090x_BLIND_SEARCH) || (state->srate < 10000000)) {
2521
2522 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
2523 goto err;
2524
2525 if (state->config->tuner_get_frequency) {
2526 if (state->config->tuner_get_frequency(fe, &state->frequency) < 0)
2527 goto err;
2528 }
2529
2530 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
2531 goto err;
2532
2533 if (abs(offst_freq) <= ((state->search_range / 2000) + 500))
2534 return STV090x_RANGEOK;
2535 else if (abs(offst_freq) <= (stv090x_car_width(state->srate, state->rolloff) / 2000))
2536 return STV090x_RANGEOK;
2537 else
2538 return STV090x_OUTOFRANGE; /* Out of Range */
2539 } else {
2540 if (abs(offst_freq) <= ((state->search_range / 2000) + 500))
2541 return STV090x_RANGEOK;
2542 else
2543 return STV090x_OUTOFRANGE;
2544 }
2545
2546 return STV090x_OUTOFRANGE;
2547 err:
2548 dprintk(FE_ERROR, 1, "I/O error");
2549 return -1;
2550 }
2551
2552 static u32 stv090x_get_tmgoffst(struct stv090x_state *state, u32 srate)
2553 {
2554 s32 offst_tmg;
2555
2556 offst_tmg = STV090x_READ_DEMOD(state, TMGREG2) << 16;
2557 offst_tmg |= STV090x_READ_DEMOD(state, TMGREG1) << 8;
2558 offst_tmg |= STV090x_READ_DEMOD(state, TMGREG0);
2559
2560 offst_tmg = comp2(offst_tmg, 24); /* 2's complement */
2561 if (!offst_tmg)
2562 offst_tmg = 1;
2563
2564 offst_tmg = ((s32) srate * 10) / ((s32) 0x1000000 / offst_tmg);
2565 offst_tmg /= 320;
2566
2567 return offst_tmg;
2568 }
2569
2570 static u8 stv090x_optimize_carloop(struct stv090x_state *state, enum stv090x_modcod modcod, s32 pilots)
2571 {
2572 u8 aclc = 0x29;
2573 s32 i;
2574 struct stv090x_long_frame_crloop *car_loop, *car_loop_qpsk_low, *car_loop_apsk_low;
2575
2576 if (state->dev_ver == 0x20) {
2577 car_loop = stv090x_s2_crl_cut20;
2578 car_loop_qpsk_low = stv090x_s2_lowqpsk_crl_cut20;
2579 car_loop_apsk_low = stv090x_s2_apsk_crl_cut20;
2580 } else {
2581 /* >= Cut 3 */
2582 car_loop = stv090x_s2_crl_cut30;
2583 car_loop_qpsk_low = stv090x_s2_lowqpsk_crl_cut30;
2584 car_loop_apsk_low = stv090x_s2_apsk_crl_cut30;
2585 }
2586
2587 if (modcod < STV090x_QPSK_12) {
2588 i = 0;
2589 while ((i < 3) && (modcod != car_loop_qpsk_low[i].modcod))
2590 i++;
2591
2592 if (i >= 3)
2593 i = 2;
2594
2595 } else {
2596 i = 0;
2597 while ((i < 14) && (modcod != car_loop[i].modcod))
2598 i++;
2599
2600 if (i >= 14) {
2601 i = 0;
2602 while ((i < 11) && (modcod != car_loop_apsk_low[i].modcod))
2603 i++;
2604
2605 if (i >= 11)
2606 i = 10;
2607 }
2608 }
2609
2610 if (modcod <= STV090x_QPSK_25) {
2611 if (pilots) {
2612 if (state->srate <= 3000000)
2613 aclc = car_loop_qpsk_low[i].crl_pilots_on_2;
2614 else if (state->srate <= 7000000)
2615 aclc = car_loop_qpsk_low[i].crl_pilots_on_5;
2616 else if (state->srate <= 15000000)
2617 aclc = car_loop_qpsk_low[i].crl_pilots_on_10;
2618 else if (state->srate <= 25000000)
2619 aclc = car_loop_qpsk_low[i].crl_pilots_on_20;
2620 else
2621 aclc = car_loop_qpsk_low[i].crl_pilots_on_30;
2622 } else {
2623 if (state->srate <= 3000000)
2624 aclc = car_loop_qpsk_low[i].crl_pilots_off_2;
2625 else if (state->srate <= 7000000)
2626 aclc = car_loop_qpsk_low[i].crl_pilots_off_5;
2627 else if (state->srate <= 15000000)
2628 aclc = car_loop_qpsk_low[i].crl_pilots_off_10;
2629 else if (state->srate <= 25000000)
2630 aclc = car_loop_qpsk_low[i].crl_pilots_off_20;
2631 else
2632 aclc = car_loop_qpsk_low[i].crl_pilots_off_30;
2633 }
2634
2635 } else if (modcod <= STV090x_8PSK_910) {
2636 if (pilots) {
2637 if (state->srate <= 3000000)
2638 aclc = car_loop[i].crl_pilots_on_2;
2639 else if (state->srate <= 7000000)
2640 aclc = car_loop[i].crl_pilots_on_5;
2641 else if (state->srate <= 15000000)
2642 aclc = car_loop[i].crl_pilots_on_10;
2643 else if (state->srate <= 25000000)
2644 aclc = car_loop[i].crl_pilots_on_20;
2645 else
2646 aclc = car_loop[i].crl_pilots_on_30;
2647 } else {
2648 if (state->srate <= 3000000)
2649 aclc = car_loop[i].crl_pilots_off_2;
2650 else if (state->srate <= 7000000)
2651 aclc = car_loop[i].crl_pilots_off_5;
2652 else if (state->srate <= 15000000)
2653 aclc = car_loop[i].crl_pilots_off_10;
2654 else if (state->srate <= 25000000)
2655 aclc = car_loop[i].crl_pilots_off_20;
2656 else
2657 aclc = car_loop[i].crl_pilots_off_30;
2658 }
2659 } else { /* 16APSK and 32APSK */
2660 if (state->srate <= 3000000)
2661 aclc = car_loop_apsk_low[i].crl_pilots_on_2;
2662 else if (state->srate <= 7000000)
2663 aclc = car_loop_apsk_low[i].crl_pilots_on_5;
2664 else if (state->srate <= 15000000)
2665 aclc = car_loop_apsk_low[i].crl_pilots_on_10;
2666 else if (state->srate <= 25000000)
2667 aclc = car_loop_apsk_low[i].crl_pilots_on_20;
2668 else
2669 aclc = car_loop_apsk_low[i].crl_pilots_on_30;
2670 }
2671
2672 return aclc;
2673 }
2674
2675 static u8 stv090x_optimize_carloop_short(struct stv090x_state *state)
2676 {
2677 struct stv090x_short_frame_crloop *short_crl = NULL;
2678 s32 index = 0;
2679 u8 aclc = 0x0b;
2680
2681 switch (state->modulation) {
2682 case STV090x_QPSK:
2683 default:
2684 index = 0;
2685 break;
2686 case STV090x_8PSK:
2687 index = 1;
2688 break;
2689 case STV090x_16APSK:
2690 index = 2;
2691 break;
2692 case STV090x_32APSK:
2693 index = 3;
2694 break;
2695 }
2696
2697 if (state->dev_ver >= 0x30) {
2698 /* Cut 3.0 and up */
2699 short_crl = stv090x_s2_short_crl_cut30;
2700 } else {
2701 /* Cut 2.0 and up: we don't support cuts older than 2.0 */
2702 short_crl = stv090x_s2_short_crl_cut20;
2703 }
2704
2705 if (state->srate <= 3000000)
2706 aclc = short_crl[index].crl_2;
2707 else if (state->srate <= 7000000)
2708 aclc = short_crl[index].crl_5;
2709 else if (state->srate <= 15000000)
2710 aclc = short_crl[index].crl_10;
2711 else if (state->srate <= 25000000)
2712 aclc = short_crl[index].crl_20;
2713 else
2714 aclc = short_crl[index].crl_30;
2715
2716 return aclc;
2717 }
2718
2719 static int stv090x_optimize_track(struct stv090x_state *state)
2720 {
2721 struct dvb_frontend *fe = &state->frontend;
2722
2723 enum stv090x_rolloff rolloff;
2724 enum stv090x_modcod modcod;
2725
2726 s32 srate, pilots, aclc, f_1, f_0, i = 0, blind_tune = 0;
2727 u32 reg;
2728
2729 srate = stv090x_get_srate(state, state->mclk);
2730 srate += stv090x_get_tmgoffst(state, srate);
2731
2732 switch (state->delsys) {
2733 case STV090x_DVBS1:
2734 case STV090x_DSS:
2735 if (state->algo == STV090x_SEARCH_AUTO) {
2736 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2737 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
2738 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
2739 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2740 goto err;
2741 }
2742 reg = STV090x_READ_DEMOD(state, DEMOD);
2743 STV090x_SETFIELD_Px(reg, ROLLOFF_CONTROL_FIELD, state->rolloff);
2744 STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 0x01);
2745 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
2746 goto err;
2747
2748 if (state->dev_ver >= 0x30) {
2749 if (stv090x_get_viterbi(state) < 0)
2750 goto err;
2751
2752 if (state->fec == STV090x_PR12) {
2753 if (STV090x_WRITE_DEMOD(state, GAUSSR0, 0x98) < 0)
2754 goto err;
2755 if (STV090x_WRITE_DEMOD(state, CCIR0, 0x18) < 0)
2756 goto err;
2757 } else {
2758 if (STV090x_WRITE_DEMOD(state, GAUSSR0, 0x18) < 0)
2759 goto err;
2760 if (STV090x_WRITE_DEMOD(state, CCIR0, 0x18) < 0)
2761 goto err;
2762 }
2763 }
2764
2765 if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x75) < 0)
2766 goto err;
2767 break;
2768
2769 case STV090x_DVBS2:
2770 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2771 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
2772 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
2773 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2774 goto err;
2775 if (STV090x_WRITE_DEMOD(state, ACLC, 0) < 0)
2776 goto err;
2777 if (STV090x_WRITE_DEMOD(state, BCLC, 0) < 0)
2778 goto err;
2779 if (state->frame_len == STV090x_LONG_FRAME) {
2780 reg = STV090x_READ_DEMOD(state, DMDMODCOD);
2781 modcod = STV090x_GETFIELD_Px(reg, DEMOD_MODCOD_FIELD);
2782 pilots = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) & 0x01;
2783 aclc = stv090x_optimize_carloop(state, modcod, pilots);
2784 if (modcod <= STV090x_QPSK_910) {
2785 STV090x_WRITE_DEMOD(state, ACLC2S2Q, aclc);
2786 } else if (modcod <= STV090x_8PSK_910) {
2787 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2788 goto err;
2789 if (STV090x_WRITE_DEMOD(state, ACLC2S28, aclc) < 0)
2790 goto err;
2791 }
2792 if ((state->demod_mode == STV090x_SINGLE) && (modcod > STV090x_8PSK_910)) {
2793 if (modcod <= STV090x_16APSK_910) {
2794 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2795 goto err;
2796 if (STV090x_WRITE_DEMOD(state, ACLC2S216A, aclc) < 0)
2797 goto err;
2798 } else {
2799 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2800 goto err;
2801 if (STV090x_WRITE_DEMOD(state, ACLC2S232A, aclc) < 0)
2802 goto err;
2803 }
2804 }
2805 } else {
2806 /*Carrier loop setting for short frame*/
2807 aclc = stv090x_optimize_carloop_short(state);
2808 if (state->modulation == STV090x_QPSK) {
2809 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, aclc) < 0)
2810 goto err;
2811 } else if (state->modulation == STV090x_8PSK) {
2812 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2813 goto err;
2814 if (STV090x_WRITE_DEMOD(state, ACLC2S28, aclc) < 0)
2815 goto err;
2816 } else if (state->modulation == STV090x_16APSK) {
2817 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2818 goto err;
2819 if (STV090x_WRITE_DEMOD(state, ACLC2S216A, aclc) < 0)
2820 goto err;
2821 } else if (state->modulation == STV090x_32APSK) {
2822 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2823 goto err;
2824 if (STV090x_WRITE_DEMOD(state, ACLC2S232A, aclc) < 0)
2825 goto err;
2826 }
2827 }
2828
2829 STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x67); /* PER */
2830 break;
2831
2832 case STV090x_UNKNOWN:
2833 default:
2834 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2835 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
2836 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
2837 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2838 goto err;
2839 break;
2840 }
2841
2842 f_1 = STV090x_READ_DEMOD(state, CFR2);
2843 f_0 = STV090x_READ_DEMOD(state, CFR1);
2844 reg = STV090x_READ_DEMOD(state, TMGOBS);
2845 rolloff = STV090x_GETFIELD_Px(reg, ROLLOFF_STATUS_FIELD);
2846
2847 if (state->algo == STV090x_BLIND_SEARCH) {
2848 STV090x_WRITE_DEMOD(state, SFRSTEP, 0x00);
2849 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2850 STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0x00);
2851 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00);
2852 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2853 goto err;
2854 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0)
2855 goto err;
2856
2857 if (stv090x_set_srate(state, srate) < 0)
2858 goto err;
2859 blind_tune = 1;
2860 }
2861
2862 if (state->dev_ver >= 0x20) {
2863 if ((state->search_mode == STV090x_SEARCH_DVBS1) ||
2864 (state->search_mode == STV090x_SEARCH_DSS) ||
2865 (state->search_mode == STV090x_SEARCH_AUTO)) {
2866
2867 if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x0a) < 0)
2868 goto err;
2869 if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x00) < 0)
2870 goto err;
2871 }
2872 }
2873
2874 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
2875 goto err;
2876
2877 /* AUTO tracking MODE */
2878 if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x80) < 0)
2879 goto err;
2880 /* AUTO tracking MODE */
2881 if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x80) < 0)
2882 goto err;
2883
2884 if ((state->dev_ver >= 0x20) || (blind_tune == 1) || (state->srate < 10000000)) {
2885 /* update initial carrier freq with the found freq offset */
2886 if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
2887 goto err;
2888 if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
2889 goto err;
2890 state->tuner_bw = stv090x_car_width(srate, state->rolloff) + 10000000;
2891
2892 if ((state->dev_ver >= 0x20) || (blind_tune == 1)) {
2893
2894 if (state->algo != STV090x_WARM_SEARCH) {
2895
2896 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
2897 goto err;
2898
2899 if (state->config->tuner_set_bandwidth) {
2900 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
2901 goto err;
2902 }
2903
2904 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
2905 goto err;
2906
2907 }
2908 }
2909 if ((state->algo == STV090x_BLIND_SEARCH) || (state->srate < 10000000))
2910 msleep(50); /* blind search: wait 50ms for SR stabilization */
2911 else
2912 msleep(5);
2913
2914 stv090x_get_lock_tmg(state);
2915
2916 if (!(stv090x_get_dmdlock(state, (state->DemodTimeout / 2)))) {
2917 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
2918 goto err;
2919 if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
2920 goto err;
2921 if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
2922 goto err;
2923 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
2924 goto err;
2925
2926 i = 0;
2927
2928 while ((!(stv090x_get_dmdlock(state, (state->DemodTimeout / 2)))) && (i <= 2)) {
2929
2930 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
2931 goto err;
2932 if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
2933 goto err;
2934 if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
2935 goto err;
2936 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
2937 goto err;
2938 i++;
2939 }
2940 }
2941
2942 }
2943
2944 if (state->dev_ver >= 0x20) {
2945 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
2946 goto err;
2947 }
2948
2949 if ((state->delsys == STV090x_DVBS1) || (state->delsys == STV090x_DSS))
2950 stv090x_set_vit_thtracq(state);
2951
2952 return 0;
2953 err:
2954 dprintk(FE_ERROR, 1, "I/O error");
2955 return -1;
2956 }
2957
2958 static int stv090x_get_feclock(struct stv090x_state *state, s32 timeout)
2959 {
2960 s32 timer = 0, lock = 0, stat;
2961 u32 reg;
2962
2963 while ((timer < timeout) && (!lock)) {
2964 reg = STV090x_READ_DEMOD(state, DMDSTATE);
2965 stat = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
2966
2967 switch (stat) {
2968 case 0: /* searching */
2969 case 1: /* first PLH detected */
2970 default:
2971 lock = 0;
2972 break;
2973
2974 case 2: /* DVB-S2 mode */
2975 reg = STV090x_READ_DEMOD(state, PDELSTATUS1);
2976 lock = STV090x_GETFIELD_Px(reg, PKTDELIN_LOCK_FIELD);
2977 break;
2978
2979 case 3: /* DVB-S1/legacy mode */
2980 reg = STV090x_READ_DEMOD(state, VSTATUSVIT);
2981 lock = STV090x_GETFIELD_Px(reg, LOCKEDVIT_FIELD);
2982 break;
2983 }
2984 if (!lock) {
2985 msleep(10);
2986 timer += 10;
2987 }
2988 }
2989 return lock;
2990 }
2991
2992 static int stv090x_get_lock(struct stv090x_state *state, s32 timeout_dmd, s32 timeout_fec)
2993 {
2994 u32 reg;
2995 s32 timer = 0;
2996 int lock;
2997
2998 lock = stv090x_get_dmdlock(state, timeout_dmd);
2999 if (lock)
3000 lock = stv090x_get_feclock(state, timeout_fec);
3001
3002 if (lock) {
3003 lock = 0;
3004
3005 while ((timer < timeout_fec) && (!lock)) {
3006 reg = STV090x_READ_DEMOD(state, TSSTATUS);
3007 lock = STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD);
3008 msleep(1);
3009 timer++;
3010 }
3011 }
3012
3013 return lock;
3014 }
3015
3016 static int stv090x_set_s2rolloff(struct stv090x_state *state)
3017 {
3018 u32 reg;
3019
3020 if (state->dev_ver <= 0x20) {
3021 /* rolloff to auto mode if DVBS2 */
3022 reg = STV090x_READ_DEMOD(state, DEMOD);
3023 STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 0x00);
3024 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
3025 goto err;
3026 } else {
3027 /* DVB-S2 rolloff to auto mode if DVBS2 */
3028 reg = STV090x_READ_DEMOD(state, DEMOD);
3029 STV090x_SETFIELD_Px(reg, MANUAL_S2ROLLOFF_FIELD, 0x00);
3030 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
3031 goto err;
3032 }
3033 return 0;
3034 err:
3035 dprintk(FE_ERROR, 1, "I/O error");
3036 return -1;
3037 }
3038
3039
3040 static enum stv090x_signal_state stv090x_algo(struct stv090x_state *state)
3041 {
3042 struct dvb_frontend *fe = &state->frontend;
3043 enum stv090x_signal_state signal_state = STV090x_NOCARRIER;
3044 u32 reg;
3045 s32 timeout_dmd = 500, timeout_fec = 50, agc1_power, power_iq = 0, i;
3046 int lock = 0, low_sr = 0, no_signal = 0;
3047
3048 reg = STV090x_READ_DEMOD(state, TSCFGH);
3049 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 1); /* Stop path 1 stream merger */
3050 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3051 goto err;
3052
3053 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5c) < 0) /* Demod stop */
3054 goto err;
3055
3056 if (state->dev_ver >= 0x20) {
3057 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x9e) < 0) /* cut 2.0 */
3058 goto err;
3059 }
3060
3061 stv090x_get_lock_tmg(state);
3062
3063 if (state->algo == STV090x_BLIND_SEARCH) {
3064 state->tuner_bw = 2 * 36000000; /* wide bw for unknown srate */
3065 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc0) < 0) /* wider srate scan */
3066 goto err;
3067 if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x70) < 0)
3068 goto err;
3069 if (stv090x_set_srate(state, 1000000) < 0) /* inital srate = 1Msps */
3070 goto err;
3071 } else {
3072 /* known srate */
3073 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x20) < 0)
3074 goto err;
3075 if (STV090x_WRITE_DEMOD(state, TMGCFG, 0xd2) < 0)
3076 goto err;
3077
3078 if (state->srate < 2000000) {
3079 /* SR < 2MSPS */
3080 if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x63) < 0)
3081 goto err;
3082 } else {
3083 /* SR >= 2Msps */
3084 if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x70) < 0)
3085 goto err;
3086 }
3087
3088 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
3089 goto err;
3090
3091 if (state->dev_ver >= 0x20) {
3092 if (STV090x_WRITE_DEMOD(state, KREFTMG, 0x5a) < 0)
3093 goto err;
3094 if (state->algo == STV090x_COLD_SEARCH)
3095 state->tuner_bw = (15 * (stv090x_car_width(state->srate, state->rolloff) + 10000000)) / 10;
3096 else if (state->algo == STV090x_WARM_SEARCH)
3097 state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + 10000000;
3098 }
3099
3100 /* if cold start or warm (Symbolrate is known)
3101 * use a Narrow symbol rate scan range
3102 */
3103 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0) /* narrow srate scan */
3104 goto err;
3105
3106 if (stv090x_set_srate(state, state->srate) < 0)
3107 goto err;
3108
3109 if (stv090x_set_max_srate(state, state->mclk, state->srate) < 0)
3110 goto err;
3111 if (stv090x_set_min_srate(state, state->mclk, state->srate) < 0)
3112 goto err;
3113
3114 if (state->srate >= 10000000)
3115 low_sr = 0;
3116 else
3117 low_sr = 1;
3118 }
3119
3120 /* Setup tuner */
3121 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
3122 goto err;
3123
3124 if (state->config->tuner_set_bbgain) {
3125 if (state->config->tuner_set_bbgain(fe, 10) < 0) /* 10dB */
3126 goto err;
3127 }
3128
3129 if (state->config->tuner_set_frequency) {
3130 if (state->config->tuner_set_frequency(fe, state->frequency) < 0)
3131 goto err;
3132 }
3133
3134 if (state->config->tuner_set_bandwidth) {
3135 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
3136 goto err;
3137 }
3138
3139 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
3140 goto err;
3141
3142 msleep(50);
3143
3144 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
3145 goto err;
3146
3147 if (state->config->tuner_get_status) {
3148 if (state->config->tuner_get_status(fe, &reg) < 0)
3149 goto err;
3150 }
3151
3152 if (reg)
3153 dprintk(FE_DEBUG, 1, "Tuner phase locked");
3154 else
3155 dprintk(FE_DEBUG, 1, "Tuner unlocked");
3156
3157 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
3158 goto err;
3159
3160 msleep(10);
3161 agc1_power = MAKEWORD16(STV090x_READ_DEMOD(state, AGCIQIN1),
3162 STV090x_READ_DEMOD(state, AGCIQIN0));
3163
3164 if (agc1_power == 0) {
3165 /* If AGC1 integrator value is 0
3166 * then read POWERI, POWERQ
3167 */
3168 for (i = 0; i < 5; i++) {
3169 power_iq += (STV090x_READ_DEMOD(state, POWERI) +
3170 STV090x_READ_DEMOD(state, POWERQ)) >> 1;
3171 }
3172 power_iq /= 5;
3173 }
3174
3175 if ((agc1_power == 0) && (power_iq < STV090x_IQPOWER_THRESHOLD)) {
3176 dprintk(FE_ERROR, 1, "No Signal: POWER_IQ=0x%02x", power_iq);
3177 lock = 0;
3178
3179 } else {
3180 reg = STV090x_READ_DEMOD(state, DEMOD);
3181 STV090x_SETFIELD_Px(reg, SPECINV_CONTROL_FIELD, state->inversion);
3182
3183 if (state->dev_ver <= 0x20) {
3184 /* rolloff to auto mode if DVBS2 */
3185 STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 1);
3186 } else {
3187 /* DVB-S2 rolloff to auto mode if DVBS2 */
3188 STV090x_SETFIELD_Px(reg, MANUAL_S2ROLLOFF_FIELD, 1);
3189 }
3190 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
3191 goto err;
3192
3193 if (stv090x_delivery_search(state) < 0)
3194 goto err;
3195
3196 if (state->algo != STV090x_BLIND_SEARCH) {
3197 if (stv090x_start_search(state) < 0)
3198 goto err;
3199 }
3200 }
3201
3202 /* need to check for AGC1 state */
3203
3204
3205
3206 if (state->algo == STV090x_BLIND_SEARCH)
3207 lock = stv090x_blind_search(state);
3208
3209 else if (state->algo == STV090x_COLD_SEARCH)
3210 lock = stv090x_get_coldlock(state, timeout_dmd);
3211
3212 else if (state->algo == STV090x_WARM_SEARCH)
3213 lock = stv090x_get_dmdlock(state, timeout_dmd);
3214
3215 if ((!lock) && (state->algo == STV090x_COLD_SEARCH)) {
3216 if (!low_sr) {
3217 if (stv090x_chk_tmg(state))
3218 lock = stv090x_sw_algo(state);
3219 }
3220 }
3221
3222 if (lock)
3223 signal_state = stv090x_get_sig_params(state);
3224
3225 if ((lock) && (signal_state == STV090x_RANGEOK)) { /* signal within Range */
3226 stv090x_optimize_track(state);
3227
3228 if (state->dev_ver >= 0x20) {
3229 /* >= Cut 2.0 :release TS reset after
3230 * demod lock and optimized Tracking
3231 */
3232 reg = STV090x_READ_DEMOD(state, TSCFGH);
3233 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0); /* release merger reset */
3234 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3235 goto err;
3236
3237 msleep(3);
3238
3239 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 1); /* merger reset */
3240 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3241 goto err;
3242
3243 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0); /* release merger reset */
3244 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3245 goto err;
3246 }
3247
3248 if (stv090x_get_lock(state, timeout_fec, timeout_fec)) {
3249 lock = 1;
3250 if (state->delsys == STV090x_DVBS2) {
3251 stv090x_set_s2rolloff(state);
3252
3253 reg = STV090x_READ_DEMOD(state, PDELCTRL2);
3254 STV090x_SETFIELD_Px(reg, RESET_UPKO_COUNT, 1);
3255 if (STV090x_WRITE_DEMOD(state, PDELCTRL2, reg) < 0)
3256 goto err;
3257 /* Reset DVBS2 packet delinator error counter */
3258 reg = STV090x_READ_DEMOD(state, PDELCTRL2);
3259 STV090x_SETFIELD_Px(reg, RESET_UPKO_COUNT, 0);
3260 if (STV090x_WRITE_DEMOD(state, PDELCTRL2, reg) < 0)
3261 goto err;
3262
3263 if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x67) < 0) /* PER */
3264 goto err;
3265 } else {
3266 if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x75) < 0)
3267 goto err;
3268 }
3269 /* Reset the Total packet counter */
3270 if (STV090x_WRITE_DEMOD(state, FBERCPT4, 0x00) < 0)
3271 goto err;
3272 /* Reset the packet Error counter2 */
3273 if (STV090x_WRITE_DEMOD(state, ERRCTRL2, 0xc1) < 0)
3274 goto err;
3275 } else {
3276 lock = 0;
3277 signal_state = STV090x_NODATA;
3278 no_signal = stv090x_chk_signal(state);
3279 }
3280 }
3281 return signal_state;
3282
3283 err:
3284 dprintk(FE_ERROR, 1, "I/O error");
3285 return -1;
3286 }
3287
3288 static enum dvbfe_search stv090x_search(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
3289 {
3290 struct stv090x_state *state = fe->demodulator_priv;
3291 struct dtv_frontend_properties *props = &fe->dtv_property_cache;
3292
3293 state->delsys = props->delivery_system;
3294 state->frequency = p->frequency;
3295 state->srate = p->u.qpsk.symbol_rate;
3296 state->search_mode = STV090x_SEARCH_AUTO;
3297 state->algo = STV090x_COLD_SEARCH;
3298 state->fec = STV090x_PRERR;
3299 state->search_range = 2000000;
3300
3301 if (stv090x_algo(state) == STV090x_RANGEOK) {
3302 dprintk(FE_DEBUG, 1, "Search success!");
3303 return DVBFE_ALGO_SEARCH_SUCCESS;
3304 } else {
3305 dprintk(FE_DEBUG, 1, "Search failed!");
3306 return DVBFE_ALGO_SEARCH_FAILED;
3307 }
3308
3309 return DVBFE_ALGO_SEARCH_ERROR;
3310 }
3311
3312 /* FIXME! */
3313 static int stv090x_read_status(struct dvb_frontend *fe, enum fe_status *status)
3314 {
3315 struct stv090x_state *state = fe->demodulator_priv;
3316 u32 reg;
3317 u8 search_state;
3318
3319 reg = STV090x_READ_DEMOD(state, DMDSTATE);
3320 search_state = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
3321
3322 switch (search_state) {
3323 case 0: /* searching */
3324 case 1: /* first PLH detected */
3325 default:
3326 dprintk(FE_DEBUG, 1, "Status: Unlocked (Searching ..)");
3327 *status = 0;
3328 break;
3329
3330 case 2: /* DVB-S2 mode */
3331 dprintk(FE_DEBUG, 1, "Delivery system: DVB-S2");
3332 reg = STV090x_READ_DEMOD(state, DSTATUS);
3333 if (STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD)) {
3334 reg = STV090x_READ_DEMOD(state, TSSTATUS);
3335 if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD)) {
3336 *status = FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
3337 }
3338 }
3339 break;
3340
3341 case 3: /* DVB-S1/legacy mode */
3342 dprintk(FE_DEBUG, 1, "Delivery system: DVB-S");
3343 reg = STV090x_READ_DEMOD(state, DSTATUS);
3344 if (STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD)) {
3345 reg = STV090x_READ_DEMOD(state, VSTATUSVIT);
3346 if (STV090x_GETFIELD_Px(reg, LOCKEDVIT_FIELD)) {
3347 reg = STV090x_READ_DEMOD(state, TSSTATUS);
3348 if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD)) {
3349 *status = FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
3350 }
3351 }
3352 }
3353 break;
3354 }
3355
3356 return 0;
3357 }
3358
3359 static int stv090x_read_per(struct dvb_frontend *fe, u32 *per)
3360 {
3361 struct stv090x_state *state = fe->demodulator_priv;
3362
3363 s32 count_4, count_3, count_2, count_1, count_0, count;
3364 u32 reg, h, m, l;
3365 enum fe_status status;
3366
3367 stv090x_read_status(fe, &status);
3368 if (!(status & FE_HAS_LOCK)) {
3369 *per = 1 << 23; /* Max PER */
3370 } else {
3371 /* Counter 2 */
3372 reg = STV090x_READ_DEMOD(state, ERRCNT22);
3373 h = STV090x_GETFIELD_Px(reg, ERR_CNT2_FIELD);
3374
3375 reg = STV090x_READ_DEMOD(state, ERRCNT21);
3376 m = STV090x_GETFIELD_Px(reg, ERR_CNT21_FIELD);
3377
3378 reg = STV090x_READ_DEMOD(state, ERRCNT20);
3379 l = STV090x_GETFIELD_Px(reg, ERR_CNT20_FIELD);
3380
3381 *per = ((h << 16) | (m << 8) | l);
3382
3383 count_4 = STV090x_READ_DEMOD(state, FBERCPT4);
3384 count_3 = STV090x_READ_DEMOD(state, FBERCPT3);
3385 count_2 = STV090x_READ_DEMOD(state, FBERCPT2);
3386 count_1 = STV090x_READ_DEMOD(state, FBERCPT1);
3387 count_0 = STV090x_READ_DEMOD(state, FBERCPT0);
3388
3389 if ((!count_4) && (!count_3)) {
3390 count = (count_2 & 0xff) << 16;
3391 count |= (count_1 & 0xff) << 8;
3392 count |= count_0 & 0xff;
3393 } else {
3394 count = 1 << 24;
3395 }
3396 if (count == 0)
3397 *per = 1;
3398 }
3399 if (STV090x_WRITE_DEMOD(state, FBERCPT4, 0) < 0)
3400 goto err;
3401 if (STV090x_WRITE_DEMOD(state, ERRCTRL2, 0xc1) < 0)
3402 goto err;
3403
3404 return 0;
3405 err:
3406 dprintk(FE_ERROR, 1, "I/O error");
3407 return -1;
3408 }
3409
3410 static int stv090x_table_lookup(const struct stv090x_tab *tab, int max, int val)
3411 {
3412 int res = 0;
3413 int min = 0, med;
3414
3415 if (val < tab[min].read)
3416 res = tab[min].real;
3417 else if (val >= tab[max].read)
3418 res = tab[max].real;
3419 else {
3420 while ((max - min) > 1) {
3421 med = (max + min) / 2;
3422 if (val >= tab[min].read && val < tab[med].read)
3423 max = med;
3424 else
3425 min = med;
3426 }
3427 res = ((val - tab[min].read) *
3428 (tab[max].real - tab[min].real) /
3429 (tab[max].read - tab[min].read)) +
3430 tab[min].real;
3431 }
3432
3433 return res;
3434 }
3435
3436 static int stv090x_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
3437 {
3438 struct stv090x_state *state = fe->demodulator_priv;
3439 u32 reg;
3440 s32 agc;
3441
3442 reg = STV090x_READ_DEMOD(state, AGCIQIN1);
3443 agc = STV090x_GETFIELD_Px(reg, AGCIQ_VALUE_FIELD);
3444
3445 *strength = stv090x_table_lookup(stv090x_rf_tab, ARRAY_SIZE(stv090x_rf_tab) - 1, agc);
3446 if (agc > stv090x_rf_tab[0].read)
3447 *strength = 5;
3448 else if (agc < stv090x_rf_tab[ARRAY_SIZE(stv090x_rf_tab) - 1].read)
3449 *strength = -100;
3450
3451 return 0;
3452 }
3453
3454 static int stv090x_read_cnr(struct dvb_frontend *fe, u16 *cnr)
3455 {
3456 struct stv090x_state *state = fe->demodulator_priv;
3457 u32 reg_0, reg_1, reg, i;
3458 s32 val_0, val_1, val = 0;
3459 u8 lock_f;
3460
3461 switch (state->delsys) {
3462 case STV090x_DVBS2:
3463 reg = STV090x_READ_DEMOD(state, DSTATUS);
3464 lock_f = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
3465 if (lock_f) {
3466 msleep(5);
3467 for (i = 0; i < 16; i++) {
3468 reg_1 = STV090x_READ_DEMOD(state, NNOSPLHT1);
3469 val_1 = STV090x_GETFIELD_Px(reg_1, NOSPLHT_NORMED_FIELD);
3470 reg_0 = STV090x_READ_DEMOD(state, NNOSPLHT0);
3471 val_0 = STV090x_GETFIELD_Px(reg_1, NOSPLHT_NORMED_FIELD);
3472 val += MAKEWORD16(val_1, val_0);
3473 msleep(1);
3474 }
3475 val /= 16;
3476 *cnr = stv090x_table_lookup(stv090x_s2cn_tab, ARRAY_SIZE(stv090x_s2cn_tab) - 1, val);
3477 if (val < stv090x_s2cn_tab[ARRAY_SIZE(stv090x_s2cn_tab) - 1].read)
3478 *cnr = 1000;
3479 }
3480 break;
3481
3482 case STV090x_DVBS1:
3483 case STV090x_DSS:
3484 reg = STV090x_READ_DEMOD(state, DSTATUS);
3485 lock_f = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
3486 if (lock_f) {
3487 msleep(5);
3488 for (i = 0; i < 16; i++) {
3489 reg_1 = STV090x_READ_DEMOD(state, NOSDATAT1);
3490 val_1 = STV090x_GETFIELD_Px(reg_1, NOSDATAT_UNNORMED_FIELD);
3491 reg_0 = STV090x_READ_DEMOD(state, NOSDATAT0);
3492 val_0 = STV090x_GETFIELD_Px(reg_1, NOSDATAT_UNNORMED_FIELD);
3493 val += MAKEWORD16(val_1, val_0);
3494 msleep(1);
3495 }
3496 val /= 16;
3497 *cnr = stv090x_table_lookup(stv090x_s1cn_tab, ARRAY_SIZE(stv090x_s1cn_tab) - 1, val);
3498 if (val < stv090x_s2cn_tab[ARRAY_SIZE(stv090x_s1cn_tab) - 1].read)
3499 *cnr = 1000;
3500 }
3501 break;
3502 default:
3503 break;
3504 }
3505
3506 return 0;
3507 }
3508
3509 static int stv090x_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
3510 {
3511 struct stv090x_state *state = fe->demodulator_priv;
3512 u32 reg;
3513
3514 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3515 switch (tone) {
3516 case SEC_TONE_ON:
3517 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 0);
3518 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3519 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3520 goto err;
3521 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
3522 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3523 goto err;
3524 break;
3525
3526 case SEC_TONE_OFF:
3527 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 0);
3528 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3529 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3530 goto err;
3531 break;
3532 default:
3533 return -EINVAL;
3534 }
3535
3536 return 0;
3537 err:
3538 dprintk(FE_ERROR, 1, "I/O error");
3539 return -1;
3540 }
3541
3542
3543 static enum dvbfe_algo stv090x_frontend_algo(struct dvb_frontend *fe)
3544 {
3545 return DVBFE_ALGO_CUSTOM;
3546 }
3547
3548 static int stv090x_send_diseqc_msg(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
3549 {
3550 struct stv090x_state *state = fe->demodulator_priv;
3551 u32 reg, idle = 0, fifo_full = 1;
3552 int i;
3553
3554 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3555
3556 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 2);
3557 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3558 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3559 goto err;
3560 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
3561 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3562 goto err;
3563
3564 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 1);
3565 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3566 goto err;
3567
3568 for (i = 0; i < cmd->msg_len; i++) {
3569
3570 while (fifo_full) {
3571 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3572 fifo_full = STV090x_GETFIELD_Px(reg, FIFO_FULL_FIELD);
3573 }
3574
3575 if (STV090x_WRITE_DEMOD(state, DISTXDATA, cmd->msg[i]) < 0)
3576 goto err;
3577 }
3578 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3579 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 0);
3580 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3581 goto err;
3582
3583 i = 0;
3584
3585 while ((!idle) && (i < 10)) {
3586 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3587 idle = STV090x_GETFIELD_Px(reg, TX_IDLE_FIELD);
3588 msleep(10);
3589 i++;
3590 }
3591
3592 return 0;
3593 err:
3594 dprintk(FE_ERROR, 1, "I/O error");
3595 return -1;
3596 }
3597
3598 static int stv090x_send_diseqc_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t burst)
3599 {
3600 struct stv090x_state *state = fe->demodulator_priv;
3601 u32 reg, idle = 0, fifo_full = 1;
3602 u8 mode, value;
3603 int i;
3604
3605 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3606
3607 if (burst == SEC_MINI_A) {
3608 mode = 3;
3609 value = 0x00;
3610 } else {
3611 mode = 2;
3612 value = 0xFF;
3613 }
3614
3615 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, mode);
3616 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3617 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3618 goto err;
3619 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
3620 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3621 goto err;
3622
3623 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 1);
3624 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3625 goto err;
3626
3627 while (fifo_full) {
3628 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3629 fifo_full = STV090x_GETFIELD_Px(reg, FIFO_FULL_FIELD);
3630 }
3631
3632 if (STV090x_WRITE_DEMOD(state, DISTXDATA, value) < 0)
3633 goto err;
3634
3635 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3636 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 0);
3637 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3638 goto err;
3639
3640 i = 0;
3641
3642 while ((!idle) && (i < 10)) {
3643 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3644 idle = STV090x_GETFIELD_Px(reg, TX_IDLE_FIELD);
3645 msleep(10);
3646 i++;
3647 }
3648
3649 return 0;
3650 err:
3651 dprintk(FE_ERROR, 1, "I/O error");
3652 return -1;
3653 }
3654
3655 static int stv090x_recv_slave_reply(struct dvb_frontend *fe, struct dvb_diseqc_slave_reply *reply)
3656 {
3657 struct stv090x_state *state = fe->demodulator_priv;
3658 u32 reg = 0, i = 0, rx_end = 0;
3659
3660 while ((rx_end != 1) && (i < 10)) {
3661 msleep(10);
3662 i++;
3663 reg = STV090x_READ_DEMOD(state, DISRX_ST0);
3664 rx_end = STV090x_GETFIELD_Px(reg, RX_END_FIELD);
3665 }
3666
3667 if (rx_end) {
3668 reply->msg_len = STV090x_GETFIELD_Px(reg, FIFO_BYTENBR_FIELD);
3669 for (i = 0; i < reply->msg_len; i++)
3670 reply->msg[i] = STV090x_READ_DEMOD(state, DISRXDATA);
3671 }
3672
3673 return 0;
3674 }
3675
3676 static int stv090x_sleep(struct dvb_frontend *fe)
3677 {
3678 struct stv090x_state *state = fe->demodulator_priv;
3679 u32 reg;
3680
3681 dprintk(FE_DEBUG, 1, "Set %s to sleep",
3682 state->device == STV0900 ? "STV0900" : "STV0903");
3683
3684 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
3685 STV090x_SETFIELD(reg, STANDBY_FIELD, 0x01);
3686 if (stv090x_write_reg(state, STV090x_SYNTCTRL, reg) < 0)
3687 goto err;
3688
3689 reg = stv090x_read_reg(state, STV090x_TSTTNR1);
3690 STV090x_SETFIELD(reg, ADC1_PON_FIELD, 0);
3691 if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
3692 goto err;
3693
3694 return 0;
3695 err:
3696 dprintk(FE_ERROR, 1, "I/O error");
3697 return -1;
3698 }
3699
3700 static int stv090x_wakeup(struct dvb_frontend *fe)
3701 {
3702 struct stv090x_state *state = fe->demodulator_priv;
3703 u32 reg;
3704
3705 dprintk(FE_DEBUG, 1, "Wake %s from standby",
3706 state->device == STV0900 ? "STV0900" : "STV0903");
3707
3708 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
3709 STV090x_SETFIELD(reg, STANDBY_FIELD, 0x00);
3710 if (stv090x_write_reg(state, STV090x_SYNTCTRL, reg) < 0)
3711 goto err;
3712
3713 reg = stv090x_read_reg(state, STV090x_TSTTNR1);
3714 STV090x_SETFIELD(reg, ADC1_PON_FIELD, 1);
3715 if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
3716 goto err;
3717
3718 return 0;
3719 err:
3720 dprintk(FE_ERROR, 1, "I/O error");
3721 return -1;
3722 }
3723
3724 static void stv090x_release(struct dvb_frontend *fe)
3725 {
3726 struct stv090x_state *state = fe->demodulator_priv;
3727
3728 kfree(state);
3729 }
3730
3731 static int stv090x_ldpc_mode(struct stv090x_state *state, enum stv090x_mode ldpc_mode)
3732 {
3733 u32 reg = 0;
3734
3735 switch (ldpc_mode) {
3736 case STV090x_DUAL:
3737 default:
3738 if ((state->demod_mode != STV090x_DUAL) || (STV090x_GETFIELD(reg, DDEMOD_FIELD) != 1)) {
3739 /* set LDPC to dual mode */
3740 if (stv090x_write_reg(state, STV090x_GENCFG, 0x1d) < 0)
3741 goto err;
3742
3743 state->demod_mode = STV090x_DUAL;
3744
3745 reg = stv090x_read_reg(state, STV090x_TSTRES0);
3746 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x1);
3747 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
3748 goto err;
3749 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x0);
3750 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
3751 goto err;
3752
3753 if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
3754 goto err;
3755 if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xff) < 0)
3756 goto err;
3757 if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xff) < 0)
3758 goto err;
3759 if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xff) < 0)
3760 goto err;
3761 if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xff) < 0)
3762 goto err;
3763 if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xff) < 0)
3764 goto err;
3765 if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xff) < 0)
3766 goto err;
3767
3768 if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xcc) < 0)
3769 goto err;
3770 if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xcc) < 0)
3771 goto err;
3772 if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xcc) < 0)
3773 goto err;
3774 if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xcc) < 0)
3775 goto err;
3776 if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xcc) < 0)
3777 goto err;
3778 if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xcc) < 0)
3779 goto err;
3780 if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xcc) < 0)
3781 goto err;
3782
3783 if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xff) < 0)
3784 goto err;
3785 if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xcf) < 0)
3786 goto err;
3787 }
3788 break;
3789
3790 case STV090x_SINGLE:
3791 if (stv090x_stop_modcod(state) < 0)
3792 goto err;
3793 if (stv090x_activate_modcod_single(state) < 0)
3794 goto err;
3795
3796 if (state->demod == STV090x_DEMODULATOR_1) {
3797 if (stv090x_write_reg(state, STV090x_GENCFG, 0x06) < 0) /* path 2 */
3798 goto err;
3799 } else {
3800 if (stv090x_write_reg(state, STV090x_GENCFG, 0x04) < 0) /* path 1 */
3801 goto err;
3802 }
3803
3804 reg = stv090x_read_reg(state, STV090x_TSTRES0);
3805 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x1);
3806 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
3807 goto err;
3808 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x0);
3809 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
3810 goto err;
3811
3812 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
3813 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x01);
3814 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
3815 goto err;
3816 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x00);
3817 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
3818 goto err;
3819 break;
3820 }
3821
3822 return 0;
3823 err:
3824 dprintk(FE_ERROR, 1, "I/O error");
3825 return -1;
3826 }
3827
3828 /* return (Hz), clk in Hz*/
3829 static u32 stv090x_get_mclk(struct stv090x_state *state)
3830 {
3831 const struct stv090x_config *config = state->config;
3832 u32 div, reg;
3833 u8 ratio;
3834
3835 div = stv090x_read_reg(state, STV090x_NCOARSE);
3836 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
3837 ratio = STV090x_GETFIELD(reg, SELX1RATIO_FIELD) ? 4 : 6;
3838
3839 return (div + 1) * config->xtal / ratio; /* kHz */
3840 }
3841
3842 static int stv090x_set_mclk(struct stv090x_state *state, u32 mclk, u32 clk)
3843 {
3844 const struct stv090x_config *config = state->config;
3845 u32 reg, div, clk_sel;
3846
3847 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
3848 clk_sel = ((STV090x_GETFIELD(reg, SELX1RATIO_FIELD) == 1) ? 4 : 6);
3849
3850 div = ((clk_sel * mclk) / config->xtal) - 1;
3851
3852 reg = stv090x_read_reg(state, STV090x_NCOARSE);
3853 STV090x_SETFIELD(reg, M_DIV_FIELD, div);
3854 if (stv090x_write_reg(state, STV090x_NCOARSE, reg) < 0)
3855 goto err;
3856
3857 state->mclk = stv090x_get_mclk(state);
3858
3859 /*Set the DiseqC frequency to 22KHz */
3860 div = state->mclk / 704000;
3861 if (STV090x_WRITE_DEMOD(state, F22TX, div) < 0)
3862 goto err;
3863 if (STV090x_WRITE_DEMOD(state, F22RX, div) < 0)
3864 goto err;
3865
3866 return 0;
3867 err:
3868 dprintk(FE_ERROR, 1, "I/O error");
3869 return -1;
3870 }
3871
3872 static int stv090x_set_tspath(struct stv090x_state *state)
3873 {
3874 u32 reg;
3875
3876 if (state->dev_ver >= 0x20) {
3877 switch (state->config->ts1_mode) {
3878 case STV090x_TSMODE_PARALLEL_PUNCTURED:
3879 case STV090x_TSMODE_DVBCI:
3880 switch (state->config->ts2_mode) {
3881 case STV090x_TSMODE_SERIAL_PUNCTURED:
3882 case STV090x_TSMODE_SERIAL_CONTINUOUS:
3883 default:
3884 stv090x_write_reg(state, STV090x_TSGENERAL, 0x00);
3885 break;
3886
3887 case STV090x_TSMODE_PARALLEL_PUNCTURED:
3888 case STV090x_TSMODE_DVBCI:
3889 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x06) < 0) /* Mux'd stream mode */
3890 goto err;
3891 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
3892 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
3893 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
3894 goto err;
3895 reg = stv090x_read_reg(state, STV090x_P2_TSCFGM);
3896 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
3897 if (stv090x_write_reg(state, STV090x_P2_TSCFGM, reg) < 0)
3898 goto err;
3899 if (stv090x_write_reg(state, STV090x_P1_TSSPEED, 0x14) < 0)
3900 goto err;
3901 if (stv090x_write_reg(state, STV090x_P2_TSSPEED, 0x28) < 0)
3902 goto err;
3903 break;
3904 }
3905 break;
3906
3907 case STV090x_TSMODE_SERIAL_PUNCTURED:
3908 case STV090x_TSMODE_SERIAL_CONTINUOUS:
3909 default:
3910 switch (state->config->ts2_mode) {
3911 case STV090x_TSMODE_SERIAL_PUNCTURED:
3912 case STV090x_TSMODE_SERIAL_CONTINUOUS:
3913 default:
3914 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c) < 0)
3915 goto err;
3916 break;
3917
3918 case STV090x_TSMODE_PARALLEL_PUNCTURED:
3919 case STV090x_TSMODE_DVBCI:
3920 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0a) < 0)
3921 goto err;
3922 break;
3923 }
3924 break;
3925 }
3926 } else {
3927 switch (state->config->ts1_mode) {
3928 case STV090x_TSMODE_PARALLEL_PUNCTURED:
3929 case STV090x_TSMODE_DVBCI:
3930 switch (state->config->ts2_mode) {
3931 case STV090x_TSMODE_SERIAL_PUNCTURED:
3932 case STV090x_TSMODE_SERIAL_CONTINUOUS:
3933 default:
3934 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x10);
3935 break;
3936
3937 case STV090x_TSMODE_PARALLEL_PUNCTURED:
3938 case STV090x_TSMODE_DVBCI:
3939 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x16);
3940 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
3941 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
3942 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
3943 goto err;
3944 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
3945 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 0);
3946 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
3947 goto err;
3948 if (stv090x_write_reg(state, STV090x_P1_TSSPEED, 0x14) < 0)
3949 goto err;
3950 if (stv090x_write_reg(state, STV090x_P2_TSSPEED, 0x28) < 0)
3951 goto err;
3952 break;
3953 }
3954 break;
3955
3956 case STV090x_TSMODE_SERIAL_PUNCTURED:
3957 case STV090x_TSMODE_SERIAL_CONTINUOUS:
3958 default:
3959 switch (state->config->ts2_mode) {
3960 case STV090x_TSMODE_SERIAL_PUNCTURED:
3961 case STV090x_TSMODE_SERIAL_CONTINUOUS:
3962 default:
3963 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x14);
3964 break;
3965
3966 case STV090x_TSMODE_PARALLEL_PUNCTURED:
3967 case STV090x_TSMODE_DVBCI:
3968 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x12);
3969 break;
3970 }
3971 break;
3972 }
3973 }
3974
3975 switch (state->config->ts1_mode) {
3976 case STV090x_TSMODE_PARALLEL_PUNCTURED:
3977 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
3978 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
3979 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
3980 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
3981 goto err;
3982 break;
3983
3984 case STV090x_TSMODE_DVBCI:
3985 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
3986 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
3987 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
3988 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
3989 goto err;
3990 break;
3991
3992 case STV090x_TSMODE_SERIAL_PUNCTURED:
3993 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
3994 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
3995 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
3996 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
3997 goto err;
3998 break;
3999
4000 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4001 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4002 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4003 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4004 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4005 goto err;
4006 break;
4007
4008 default:
4009 break;
4010 }
4011
4012 switch (state->config->ts2_mode) {
4013 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4014 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4015 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4016 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4017 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4018 goto err;
4019 break;
4020
4021 case STV090x_TSMODE_DVBCI:
4022 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4023 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4024 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4025 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4026 goto err;
4027 break;
4028
4029 case STV090x_TSMODE_SERIAL_PUNCTURED:
4030 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4031 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4032 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4033 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4034 goto err;
4035 break;
4036
4037 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4038 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4039 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4040 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4041 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4042 goto err;
4043 break;
4044
4045 default:
4046 break;
4047 }
4048 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4049 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
4050 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4051 goto err;
4052 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
4053 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4054 goto err;
4055
4056 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4057 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
4058 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4059 goto err;
4060 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
4061 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4062 goto err;
4063
4064 return 0;
4065 err:
4066 dprintk(FE_ERROR, 1, "I/O error");
4067 return -1;
4068 }
4069
4070 static int stv090x_init(struct dvb_frontend *fe)
4071 {
4072 struct stv090x_state *state = fe->demodulator_priv;
4073 const struct stv090x_config *config = state->config;
4074 u32 reg;
4075
4076 if (stv090x_wakeup(fe) < 0) {
4077 dprintk(FE_ERROR, 1, "Error waking device");
4078 goto err;
4079 }
4080
4081 if (stv090x_ldpc_mode(state, state->demod_mode) < 0)
4082 goto err;
4083
4084 reg = STV090x_READ_DEMOD(state, TNRCFG2);
4085 STV090x_SETFIELD_Px(reg, TUN_IQSWAP_FIELD, state->inversion);
4086 if (STV090x_WRITE_DEMOD(state, TNRCFG2, reg) < 0)
4087 goto err;
4088 reg = STV090x_READ_DEMOD(state, DEMOD);
4089 STV090x_SETFIELD_Px(reg, ROLLOFF_CONTROL_FIELD, state->rolloff);
4090 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
4091 goto err;
4092
4093 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
4094 goto err;
4095
4096 if (config->tuner_set_mode) {
4097 if (config->tuner_set_mode(fe, TUNER_WAKE) < 0)
4098 goto err;
4099 }
4100
4101 if (config->tuner_init) {
4102 if (config->tuner_init(fe) < 0)
4103 goto err;
4104 }
4105
4106 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
4107 goto err;
4108
4109 if (stv090x_set_tspath(state) < 0)
4110 goto err;
4111
4112 return 0;
4113 err:
4114 dprintk(FE_ERROR, 1, "I/O error");
4115 return -1;
4116 }
4117
4118 static int stv090x_setup(struct dvb_frontend *fe)
4119 {
4120 struct stv090x_state *state = fe->demodulator_priv;
4121 const struct stv090x_config *config = state->config;
4122 const struct stv090x_reg *stv090x_initval = NULL;
4123 const struct stv090x_reg *stv090x_cut20_val = NULL;
4124 unsigned long t1_size = 0, t2_size = 0;
4125 u32 reg = 0;
4126
4127 int i;
4128
4129 if (state->device == STV0900) {
4130 dprintk(FE_DEBUG, 1, "Initializing STV0900");
4131 stv090x_initval = stv0900_initval;
4132 t1_size = ARRAY_SIZE(stv0900_initval);
4133 stv090x_cut20_val = stv0900_cut20_val;
4134 t2_size = ARRAY_SIZE(stv0900_cut20_val);
4135 } else if (state->device == STV0903) {
4136 dprintk(FE_DEBUG, 1, "Initializing STV0903");
4137 stv090x_initval = stv0903_initval;
4138 t1_size = ARRAY_SIZE(stv0903_initval);
4139 stv090x_cut20_val = stv0903_cut20_val;
4140 t2_size = ARRAY_SIZE(stv0903_cut20_val);
4141 }
4142
4143 /* STV090x init */
4144 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5c) < 0) /* Stop Demod */
4145 goto err;
4146
4147 msleep(5);
4148
4149 if (STV090x_WRITE_DEMOD(state, TNRCFG, 0x6c) < 0) /* check register ! (No Tuner Mode) */
4150 goto err;
4151
4152 STV090x_SETFIELD_Px(reg, ENARPT_LEVEL_FIELD, config->repeater_level);
4153 if (STV090x_WRITE_DEMOD(state, I2CRPT, reg) < 0) /* repeater OFF */
4154 goto err;
4155
4156 if (stv090x_write_reg(state, STV090x_NCOARSE, 0x13) < 0) /* set PLL divider */
4157 goto err;
4158 msleep(5);
4159 if (stv090x_write_reg(state, STV090x_I2CCFG, 0x08) < 0) /* 1/41 oversampling */
4160 goto err;
4161 if (stv090x_write_reg(state, STV090x_SYNTCTRL, 0x20 | config->clk_mode) < 0) /* enable PLL */
4162 goto err;
4163 msleep(5);
4164
4165 /* write initval */
4166 dprintk(FE_DEBUG, 1, "Setting up initial values");
4167 for (i = 0; i < t1_size; i++) {
4168 if (stv090x_write_reg(state, stv090x_initval[i].addr, stv090x_initval[i].data) < 0)
4169 goto err;
4170 }
4171
4172 state->dev_ver = stv090x_read_reg(state, STV090x_MID);
4173 if (state->dev_ver >= 0x20) {
4174 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c) < 0)
4175 goto err;
4176
4177 /* write cut20_val*/
4178 dprintk(FE_DEBUG, 1, "Setting up Cut 2.0 initial values");
4179 for (i = 0; i < t2_size; i++) {
4180 if (stv090x_write_reg(state, stv090x_cut20_val[i].addr, stv090x_cut20_val[i].data) < 0)
4181 goto err;
4182 }
4183
4184 } else if (state->dev_ver < 0x20) {
4185 dprintk(FE_ERROR, 1, "ERROR: Unsupported Cut: 0x%02x!",
4186 state->dev_ver);
4187
4188 goto err;
4189 } else if (state->dev_ver > 0x30) {
4190 /* we shouldn't bail out from here */
4191 dprintk(FE_ERROR, 1, "INFO: Cut: 0x%02x probably incomplete support!",
4192 state->dev_ver);
4193 }
4194
4195 if (stv090x_write_reg(state, STV090x_TSTRES0, 0x80) < 0)
4196 goto err;
4197 if (stv090x_write_reg(state, STV090x_TSTRES0, 0x00) < 0)
4198 goto err;
4199
4200 stv090x_set_mclk(state, 135000000, config->xtal); /* 135 Mhz */
4201 msleep(5);
4202 if (stv090x_write_reg(state, STV090x_SYNTCTRL, 0x20 | config->clk_mode) < 0)
4203 goto err;
4204 stv090x_get_mclk(state);
4205
4206 return 0;
4207 err:
4208 dprintk(FE_ERROR, 1, "I/O error");
4209 return -1;
4210 }
4211
4212 static struct dvb_frontend_ops stv090x_ops = {
4213
4214 .info = {
4215 .name = "STV090x Multistandard",
4216 .type = FE_QPSK,
4217 .frequency_min = 950000,
4218 .frequency_max = 2150000,
4219 .frequency_stepsize = 0,
4220 .frequency_tolerance = 0,
4221 .symbol_rate_min = 1000000,
4222 .symbol_rate_max = 45000000,
4223 .caps = FE_CAN_INVERSION_AUTO |
4224 FE_CAN_FEC_AUTO |
4225 FE_CAN_QPSK |
4226 FE_CAN_2G_MODULATION
4227 },
4228
4229 .release = stv090x_release,
4230 .init = stv090x_init,
4231
4232 .sleep = stv090x_sleep,
4233 .get_frontend_algo = stv090x_frontend_algo,
4234
4235 .i2c_gate_ctrl = stv090x_i2c_gate_ctrl,
4236
4237 .diseqc_send_master_cmd = stv090x_send_diseqc_msg,
4238 .diseqc_send_burst = stv090x_send_diseqc_burst,
4239 .diseqc_recv_slave_reply = stv090x_recv_slave_reply,
4240 .set_tone = stv090x_set_tone,
4241
4242 .search = stv090x_search,
4243 .read_status = stv090x_read_status,
4244 .read_ber = stv090x_read_per,
4245 .read_signal_strength = stv090x_read_signal_strength,
4246 .read_snr = stv090x_read_cnr
4247 };
4248
4249
4250 struct dvb_frontend *stv090x_attach(const struct stv090x_config *config,
4251 struct i2c_adapter *i2c,
4252 enum stv090x_demodulator demod)
4253 {
4254 struct stv090x_state *state = NULL;
4255
4256 state = kzalloc(sizeof (struct stv090x_state), GFP_KERNEL);
4257 if (state == NULL)
4258 goto error;
4259
4260 state->verbose = &verbose;
4261 state->config = config;
4262 state->i2c = i2c;
4263 state->frontend.ops = stv090x_ops;
4264 state->frontend.demodulator_priv = state;
4265 state->demod = demod;
4266 state->demod_mode = config->demod_mode; /* Single or Dual mode */
4267 state->device = config->device;
4268 state->rolloff = STV090x_RO_35; /* default */
4269
4270 if (state->demod == STV090x_DEMODULATOR_0)
4271 mutex_init(&demod_lock);
4272
4273 if (stv090x_sleep(&state->frontend) < 0) {
4274 dprintk(FE_ERROR, 1, "Error putting device to sleep");
4275 goto error;
4276 }
4277
4278 if (stv090x_setup(&state->frontend) < 0) {
4279 dprintk(FE_ERROR, 1, "Error setting up device");
4280 goto error;
4281 }
4282 if (stv090x_wakeup(&state->frontend) < 0) {
4283 dprintk(FE_ERROR, 1, "Error waking device");
4284 goto error;
4285 }
4286
4287 dprintk(FE_ERROR, 1, "Attaching %s demodulator(%d) Cut=0x%02x\n",
4288 state->device == STV0900 ? "STV0900" : "STV0903",
4289 demod,
4290 state->dev_ver);
4291
4292 return &state->frontend;
4293
4294 error:
4295 kfree(state);
4296 return NULL;
4297 }
4298 EXPORT_SYMBOL(stv090x_attach);
4299 MODULE_PARM_DESC(verbose, "Set Verbosity level");
4300 MODULE_AUTHOR("Manu Abraham");
4301 MODULE_DESCRIPTION("STV090x Multi-Std Broadcast frontend");
4302 MODULE_LICENSE("GPL");
Linux with added FPC-III support