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Manu Abrahame415c682009-04-06 15:45:20 -03001/*
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
37static unsigned int verbose;
38module_param(verbose, int, 0644);
39
40struct mutex demod_lock;
41
42/* DVBS1 and DSS C/N Lookup table */
43static 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 */
99static 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 */
158static 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
176static struct stv090x_reg stv0900_initval[] = {
177
178 { STV090x_OUTCFG, 0x00 },
Manu Abraham56571502009-04-07 16:08:26 -0300179 { STV090x_MODECFG, 0xff },
Manu Abrahame415c682009-04-06 15:45:20 -0300180 { STV090x_AGCRF1CFG, 0x11 },
181 { STV090x_AGCRF2CFG, 0x13 },
Manu Abraham56571502009-04-07 16:08:26 -0300182 { STV090x_TSGENERAL1X, 0x14 },
Manu Abrahame415c682009-04-06 15:45:20 -0300183 { 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 },
Manu Abraham56571502009-04-07 16:08:26 -0300208 { STV090x_P2_DMDTOM, 0x20 },
Manu Abrahame415c682009-04-06 15:45:20 -0300209 { STV090x_P2_CORRELMANT, 0x70 },
210 { STV090x_P2_CORRELABS, 0x88 },
Manu Abraham56571502009-04-07 16:08:26 -0300211 { STV090x_P2_AGC2O, 0x5b },
Manu Abrahame415c682009-04-06 15:45:20 -0300212 { 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 },
Manu Abraham56571502009-04-07 16:08:26 -0300253 { STV090x_P1_DMDTOM, 0x20 },
Manu Abrahame415c682009-04-06 15:45:20 -0300254 { 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 },
Manu Abraham56571502009-04-07 16:08:26 -0300273 { STV090x_P1_AGC2O, 0x5b },
Manu Abrahame415c682009-04-06 15:45:20 -0300274 { 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 },
Manu Abraham56571502009-04-07 16:08:26 -0300335 { STV090x_RCCFGH, 0x20 },
Manu Abrahame415c682009-04-06 15:45:20 -0300336 { 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
342static 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 },
Manu Abraham56571502009-04-07 16:08:26 -0300374 { STV090x_P1_DMDTOM, 0x20 },
Manu Abrahame415c682009-04-06 15:45:20 -0300375 { STV090x_P1_CORRELMANT, 0x70 },
376 { STV090x_P1_CORRELABS, 0x88 },
Manu Abraham56571502009-04-07 16:08:26 -0300377 { STV090x_P1_AGC2O, 0x5b },
378 { STV090x_P1_AGC2REF, 0x38 },
Manu Abrahame415c682009-04-06 15:45:20 -0300379 { STV090x_P1_CARCFG, 0xe4 },
380 { STV090x_P1_ACLC, 0x1A },
Manu Abraham56571502009-04-07 16:08:26 -0300381 { STV090x_P1_BCLC, 0x09 },
Manu Abrahame415c682009-04-06 15:45:20 -0300382 { 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 },
Manu Abraham56571502009-04-07 16:08:26 -0300439 { STV090x_RCCFGH, 0x20 },
Manu Abrahame415c682009-04-06 15:45:20 -0300440 { STV090x_P1_FECM, 0x01 }, /*disable the DSS mode */
441 { STV090x_P1_PRVIT, 0x2f } /*disable puncture rate 6/7*/
442};
443
444static struct stv090x_reg stv0900_cut20_val[] = {
445
446 { STV090x_P2_DMDCFG3, 0xe8 },
Manu Abraham56571502009-04-07 16:08:26 -0300447 { STV090x_P2_DMDCFG4, 0x10 },
Manu Abrahame415c682009-04-06 15:45:20 -0300448 { 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 },
Manu Abraham56571502009-04-07 16:08:26 -0300456 { STV090x_P1_DMDCFG4, 0x10 },
Manu Abrahame415c682009-04-06 15:45:20 -0300457 { 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
480static struct stv090x_reg stv0903_cut20_val[] = {
481 { STV090x_P1_DMDCFG3, 0xe8 },
Manu Abraham56571502009-04-07 16:08:26 -0300482 { STV090x_P1_DMDCFG4, 0x10 },
Manu Abrahame415c682009-04-06 15:45:20 -0300483 { 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
Manu Abrahame415c682009-04-06 15:45:20 -0300506/* Cut 2.0 Long Frame Tracking CR loop */
507static 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
Manu Abraham27d40322009-05-02 18:26:58 -0300525/* Cut 3.0 Long Frame Tracking CR loop */
526static 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};
Manu Abrahame415c682009-04-06 15:45:20 -0300543
544/* Cut 2.0 Long Frame Tracking CR Loop */
545static 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
Manu Abraham27d40322009-05-02 18:26:58 -0300560/* Cut 3.0 Long Frame Tracking CR Loop */
561static 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};
Manu Abrahame415c682009-04-06 15:45:20 -0300575
576static 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
Manu Abraham27d40322009-05-02 18:26:58 -0300583static 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 }
Manu Abrahame415c682009-04-06 15:45:20 -0300588};
589
Manu Abraham27d40322009-05-02 18:26:58 -0300590/* Cut 2.0 Short Frame Tracking CR Loop */
591static 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 */
600static 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};
Manu Abrahame415c682009-04-06 15:45:20 -0300607
608static 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
616static 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
645static 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
676static 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
681static 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);
Manu Abrahame415c682009-04-06 15:45:20 -0300687 if (enable) {
Manu Abraham017eb0382009-04-07 05:19:54 -0300688 dprintk(FE_DEBUG, 1, "Enable Gate");
Manu Abrahame415c682009-04-06 15:45:20 -0300689 STV090x_SETFIELD_Px(reg, I2CT_ON_FIELD, 1);
690 if (STV090x_WRITE_DEMOD(state, I2CRPT, reg) < 0)
691 goto err;
692
693 } else {
Manu Abraham017eb0382009-04-07 05:19:54 -0300694 dprintk(FE_DEBUG, 1, "Disable Gate");
Manu Abrahame415c682009-04-06 15:45:20 -0300695 STV090x_SETFIELD_Px(reg, I2CT_ON_FIELD, 0);
696 if ((STV090x_WRITE_DEMOD(state, I2CRPT, reg)) < 0)
697 goto err;
698 }
699 return 0;
700err:
701 dprintk(FE_ERROR, 1, "I/O error");
702 return -1;
703}
704
705static 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
752static int stv090x_set_srate(struct stv090x_state *state, u32 srate)
753{
754 u32 sym;
755
Manu Abraham15bb3662009-04-08 20:14:00 -0300756 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);
Manu Abrahame415c682009-04-06 15:45:20 -0300762 } else {
Manu Abraham15bb3662009-04-08 20:14:00 -0300763 sym = (srate << 9);
764 sym /= (state->mclk >> 7);
Manu Abrahame415c682009-04-06 15:45:20 -0300765 }
766
Manu Abraham15bb3662009-04-08 20:14:00 -0300767 if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0x7f) < 0) /* MSB */
Manu Abrahame415c682009-04-06 15:45:20 -0300768 goto err;
769 if (STV090x_WRITE_DEMOD(state, SFRINIT0, (sym & 0xff)) < 0) /* LSB */
770 goto err;
Manu Abraham15bb3662009-04-08 20:14:00 -0300771
Manu Abrahame415c682009-04-06 15:45:20 -0300772 return 0;
773err:
774 dprintk(FE_ERROR, 1, "I/O error");
775 return -1;
776}
777
778static int stv090x_set_max_srate(struct stv090x_state *state, u32 clk, u32 srate)
779{
780 u32 sym;
781
782 srate = 105 * (srate / 100);
Manu Abraham15bb3662009-04-08 20:14:00 -0300783 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);
Manu Abrahame415c682009-04-06 15:45:20 -0300789 } else {
Manu Abraham15bb3662009-04-08 20:14:00 -0300790 sym = (srate << 9);
791 sym /= (state->mclk >> 7);
Manu Abrahame415c682009-04-06 15:45:20 -0300792 }
Manu Abraham15bb3662009-04-08 20:14:00 -0300793
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
Manu Abrahame415c682009-04-06 15:45:20 -0300806 return 0;
807err:
808 dprintk(FE_ERROR, 1, "I/O error");
809 return -1;
810}
811
812static int stv090x_set_min_srate(struct stv090x_state *state, u32 clk, u32 srate)
813{
814 u32 sym;
815
816 srate = 95 * (srate / 100);
Manu Abraham15bb3662009-04-08 20:14:00 -0300817 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);
Manu Abrahame415c682009-04-06 15:45:20 -0300823 } else {
Manu Abraham15bb3662009-04-08 20:14:00 -0300824 sym = (srate << 9);
825 sym /= (state->mclk >> 7);
Manu Abrahame415c682009-04-06 15:45:20 -0300826 }
Manu Abraham15bb3662009-04-08 20:14:00 -0300827
Andreas Regelb671a8d2009-11-13 18:15:27 -0300828 if (STV090x_WRITE_DEMOD(state, SFRLOW1, ((sym >> 8) & 0x7f)) < 0) /* MSB */
Manu Abrahame415c682009-04-06 15:45:20 -0300829 goto err;
830 if (STV090x_WRITE_DEMOD(state, SFRLOW0, (sym & 0xff)) < 0) /* LSB */
831 goto err;
832 return 0;
833err:
834 dprintk(FE_ERROR, 1, "I/O error");
835 return -1;
836}
837
Andreas Regel4e58a682009-04-16 08:40:36 -0300838static u32 stv090x_car_width(u32 srate, enum stv090x_rolloff rolloff)
Manu Abrahame415c682009-04-06 15:45:20 -0300839{
Andreas Regel4e58a682009-04-16 08:40:36 -0300840 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;
Manu Abrahame415c682009-04-06 15:45:20 -0300856}
857
858static 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;
873err:
874 dprintk(FE_ERROR, 1, "I/O error");
875 return -1;
876}
877
878static 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;
893err:
894 dprintk(FE_ERROR, 1, "I/O error");
895 return -1;
896}
897
898static 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;
971err:
972 dprintk(FE_ERROR, 1, "I/O error");
973 return -1;
974}
975
976static 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;
1011err:
1012 dprintk(FE_ERROR, 1, "I/O error");
1013 return -1;
1014}
1015
1016static int stv090x_activate_modcod(struct stv090x_state *state)
1017{
Manu Abraham27d40322009-05-02 18:26:58 -03001018 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;
Manu Abrahame415c682009-04-06 15:45:20 -03001050
Manu Abrahame415c682009-04-06 15:45:20 -03001051 return 0;
1052err:
1053 dprintk(FE_ERROR, 1, "I/O error");
1054 return -1;
1055}
1056
Manu Abraham27d40322009-05-02 18:26:58 -03001057static 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
1095err:
1096 dprintk(FE_ERROR, 1, "I/O error");
1097 return -1;
1098}
1099
Manu Abrahame415c682009-04-06 15:45:20 -03001100static 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;
1128err:
1129 mutex_unlock(&demod_lock);
1130 dprintk(FE_ERROR, 1, "I/O error");
1131 return -1;
1132}
1133
Manu Abraham27d40322009-05-02 18:26:58 -03001134static 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;
1163err:
1164 dprintk(FE_ERROR, 1, "I/O error");
1165 return -1;
1166}
1167
Manu Abrahame415c682009-04-06 15:45:20 -03001168static 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
Manu Abraham27d40322009-05-02 18:26:58 -03001181 /* Activate Viterbi decoder in legacy search,
1182 * do not use FRESVIT1, might impact VITERBI2
1183 */
Manu Abrahame415c682009-04-06 15:45:20 -03001184 if (stv090x_vitclk_ctl(state, 0) < 0)
1185 goto err;
1186
Manu Abraham27d40322009-05-02 18:26:58 -03001187 if (stv090x_dvbs_track_crl(state) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03001188 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03001189
Manu Abrahame415c682009-04-06 15:45:20 -03001190 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x22) < 0) /* disable DVB-S2 */
1191 goto err;
1192
Manu Abraham27d40322009-05-02 18:26:58 -03001193 if (stv090x_set_vit_thacq(state) < 0)
1194 goto err;
1195 if (stv090x_set_viterbi(state) < 0)
1196 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03001197 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;
Manu Abraham27d40322009-05-02 18:26:58 -03001217
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 }
Manu Abrahame415c682009-04-06 15:45:20 -03001227
1228 if (state->demod_mode != STV090x_SINGLE) {
Manu Abraham27d40322009-05-02 18:26:58 -03001229 /* 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;
Manu Abrahame415c682009-04-06 15:45:20 -03001239 }
Manu Abraham27d40322009-05-02 18:26:58 -03001240
Manu Abrahame415c682009-04-06 15:45:20 -03001241 break;
1242
1243 case STV090x_SEARCH_AUTO:
1244 default:
Manu Abraham27d40322009-05-02 18:26:58 -03001245 /* enable DVB-S2 and DVB-S2 in Auto MODE */
Manu Abrahame415c682009-04-06 15:45:20 -03001246 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
Manu Abrahame415c682009-04-06 15:45:20 -03001247 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
Andreas Regel4e58a682009-04-16 08:40:36 -03001252 if (stv090x_vitclk_ctl(state, 0) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03001253 goto err;
1254
Manu Abraham27d40322009-05-02 18:26:58 -03001255 if (stv090x_dvbs_track_crl(state) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03001256 goto err;
1257
Manu Abraham27d40322009-05-02 18:26:58 -03001258 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;
Manu Abrahame415c682009-04-06 15:45:20 -03001266 }
Manu Abraham27d40322009-05-02 18:26:58 -03001267
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;
Manu Abrahame415c682009-04-06 15:45:20 -03001295 break;
1296 }
1297 return 0;
1298err:
1299 dprintk(FE_ERROR, 1, "I/O error");
1300 return -1;
1301}
1302
1303static int stv090x_start_search(struct stv090x_state *state)
1304{
Manu Abraham27d40322009-05-02 18:26:58 -03001305 u32 reg, freq_abs;
1306 s16 freq;
Manu Abrahame415c682009-04-06 15:45:20 -03001307
Manu Abraham27d40322009-05-02 18:26:58 -03001308 /* Reset demodulator */
Manu Abrahame415c682009-04-06 15:45:20 -03001309 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
Manu Abraham27d40322009-05-02 18:26:58 -03001314 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;
Andreas Regelb671a8d2009-11-13 18:15:27 -03001320 if (STV090x_WRITE_DEMOD(state, CFRUP0, 0xff) < 0)
Manu Abraham27d40322009-05-02 18:26:58 -03001321 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)
Manu Abrahame415c682009-04-06 15:45:20 -03001373 goto err;
Andreas Regelb671a8d2009-11-13 18:15:27 -03001374 if (STV090x_WRITE_DEMOD(state, CFRUP0, LSB(freq)) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03001375 goto err;
1376
Manu Abraham27d40322009-05-02 18:26:58 -03001377 freq *= -1;
1378
1379 if (STV090x_WRITE_DEMOD(state, CFRLOW1, MSB(freq)) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03001380 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03001381 if (STV090x_WRITE_DEMOD(state, CFRLOW0, LSB(freq)) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03001382 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03001383
Manu Abrahame415c682009-04-06 15:45:20 -03001384 }
Manu Abraham27d40322009-05-02 18:26:58 -03001385
Manu Abrahame415c682009-04-06 15:45:20 -03001386 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
Manu Abraham27d40322009-05-02 18:26:58 -03001425 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
Manu Abrahame415c682009-04-06 15:45:20 -03001441 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) {
Manu Abraham27d40322009-05-02 18:26:58 -03001459 case STV090x_WARM_SEARCH:
1460 /* The symbol rate and the exact
1461 * carrier Frequency are known
1462 */
Manu Abrahame415c682009-04-06 15:45:20 -03001463 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
Manu Abraham27d40322009-05-02 18:26:58 -03001469 case STV090x_COLD_SEARCH:
1470 /* The symbol rate is known */
Manu Abrahame415c682009-04-06 15:45:20 -03001471 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;
1481err:
1482 dprintk(FE_ERROR, 1, "I/O error");
1483 return -1;
1484}
1485
1486static int stv090x_get_agc2_min_level(struct stv090x_state *state)
1487{
Andreas Regelb4a42482009-11-13 18:16:44 -03001488 u32 agc2_min = 0xffff, agc2 = 0, freq_init, freq_step, reg;
Manu Abrahame415c682009-04-06 15:45:20 -03001489 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;
Manu Abraham27d40322009-05-02 18:26:58 -03001509 if (stv090x_set_srate(state, 1000000) < 0)
1510 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03001511
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
Andreas Regelb671a8d2009-11-13 18:15:27 -03001528 dir *= -1;
Manu Abrahame415c682009-04-06 15:45:20 -03001529
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);
Andreas Regelb4a42482009-11-13 18:16:44 -03001539
1540 agc2 = 0;
Manu Abrahame415c682009-04-06 15:45:20 -03001541 for (j = 0; j < 10; j++) {
Andreas Regelb4a42482009-11-13 18:16:44 -03001542 agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
1543 STV090x_READ_DEMOD(state, AGC2I0);
Manu Abrahame415c682009-04-06 15:45:20 -03001544 }
1545 agc2 /= 10;
Andreas Regelb4a42482009-11-13 18:16:44 -03001546 if (agc2 < agc2_min)
Manu Abrahame415c682009-04-06 15:45:20 -03001547 agc2_min = agc2;
1548 }
1549
1550 return agc2_min;
1551err:
1552 dprintk(FE_ERROR, 1, "I/O error");
1553 return -1;
1554}
1555
1556static u32 stv090x_get_srate(struct stv090x_state *state, u32 clk)
1557{
1558 u8 r3, r2, r1, r0;
1559 s32 srate, int_1, int_2, tmp_1, tmp_2;
Manu Abrahame415c682009-04-06 15:45:20 -03001560
1561 r3 = STV090x_READ_DEMOD(state, SFR3);
1562 r2 = STV090x_READ_DEMOD(state, SFR2);
1563 r1 = STV090x_READ_DEMOD(state, SFR1);
1564 r0 = STV090x_READ_DEMOD(state, SFR0);
1565
1566 srate = ((r3 << 24) | (r2 << 16) | (r1 << 8) | r0);
1567
Manu Abrahamf430fff2009-04-08 20:18:50 -03001568 int_1 = clk >> 16;
1569 int_2 = srate >> 16;
Manu Abrahame415c682009-04-06 15:45:20 -03001570
Manu Abrahamf430fff2009-04-08 20:18:50 -03001571 tmp_1 = clk % 0x10000;
1572 tmp_2 = srate % 0x10000;
Manu Abrahame415c682009-04-06 15:45:20 -03001573
1574 srate = (int_1 * int_2) +
Manu Abrahamf430fff2009-04-08 20:18:50 -03001575 ((int_1 * tmp_2) >> 16) +
1576 ((int_2 * tmp_1) >> 16);
Manu Abrahame415c682009-04-06 15:45:20 -03001577
1578 return srate;
1579}
1580
1581static u32 stv090x_srate_srch_coarse(struct stv090x_state *state)
1582{
1583 struct dvb_frontend *fe = &state->frontend;
1584
1585 int tmg_lock = 0, i;
1586 s32 tmg_cpt = 0, dir = 1, steps, cur_step = 0, freq;
1587 u32 srate_coarse = 0, agc2 = 0, car_step = 1200, reg;
Andreas Regelb4a42482009-11-13 18:16:44 -03001588 u32 agc2th;
1589
1590 if (state->dev_ver >= 0x30)
1591 agc2th = 0x2e00;
1592 else
1593 agc2th = 0x1f00;
Manu Abrahame415c682009-04-06 15:45:20 -03001594
1595 reg = STV090x_READ_DEMOD(state, DMDISTATE);
1596 STV090x_SETFIELD_Px(reg, I2C_DEMOD_MODE_FIELD, 0x1f); /* Demod RESET */
1597 if (STV090x_WRITE_DEMOD(state, DMDISTATE, reg) < 0)
1598 goto err;
1599 if (STV090x_WRITE_DEMOD(state, TMGCFG, 0x12) < 0)
1600 goto err;
1601 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0xf0) < 0)
1602 goto err;
1603 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0xe0) < 0)
1604 goto err;
1605 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1606 STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 1);
1607 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 1);
1608 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1609 goto err;
1610
1611 if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x83) < 0)
1612 goto err;
1613 if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xc0) < 0)
1614 goto err;
1615 if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x82) < 0)
1616 goto err;
1617 if (STV090x_WRITE_DEMOD(state, SFRLOW0, 0xa0) < 0)
1618 goto err;
1619 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x00) < 0)
1620 goto err;
Andreas Regelb4a42482009-11-13 18:16:44 -03001621 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x50) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03001622 goto err;
1623
Manu Abraham27d40322009-05-02 18:26:58 -03001624 if (state->dev_ver >= 0x30) {
1625 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x99) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03001626 goto err;
1627 if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x95) < 0)
1628 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03001629
1630 } else if (state->dev_ver >= 0x20) {
1631 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x6a) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03001632 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03001633 if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x95) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03001634 goto err;
1635 }
1636
1637 if (state->srate <= 2000000)
1638 car_step = 1000;
1639 else if (state->srate <= 5000000)
1640 car_step = 2000;
1641 else if (state->srate <= 12000000)
1642 car_step = 3000;
1643 else
1644 car_step = 5000;
1645
1646 steps = -1 + ((state->search_range / 1000) / car_step);
1647 steps /= 2;
1648 steps = (2 * steps) + 1;
1649 if (steps < 0)
1650 steps = 1;
1651 else if (steps > 10) {
1652 steps = 11;
1653 car_step = (state->search_range / 1000) / 10;
1654 }
1655 cur_step = 0;
1656 dir = 1;
1657 freq = state->frequency;
1658
1659 while ((!tmg_lock) && (cur_step < steps)) {
1660 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5f) < 0) /* Demod RESET */
1661 goto err;
1662 reg = STV090x_READ_DEMOD(state, DMDISTATE);
1663 STV090x_SETFIELD_Px(reg, I2C_DEMOD_MODE_FIELD, 0x00); /* trigger acquisition */
1664 if (STV090x_WRITE_DEMOD(state, DMDISTATE, reg) < 0)
1665 goto err;
1666 msleep(50);
1667 for (i = 0; i < 10; i++) {
1668 reg = STV090x_READ_DEMOD(state, DSTATUS);
1669 if (STV090x_GETFIELD_Px(reg, TMGLOCK_QUALITY_FIELD) >= 2)
1670 tmg_cpt++;
Andreas Regelb4a42482009-11-13 18:16:44 -03001671 agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
1672 STV090x_READ_DEMOD(state, AGC2I0);
Manu Abrahame415c682009-04-06 15:45:20 -03001673 }
1674 agc2 /= 10;
1675 srate_coarse = stv090x_get_srate(state, state->mclk);
1676 cur_step++;
1677 dir *= -1;
Andreas Regelb4a42482009-11-13 18:16:44 -03001678 if ((tmg_cpt >= 5) && (agc2 < agc2th) &&
1679 (srate_coarse < 50000000) && (srate_coarse > 850000))
Manu Abrahame415c682009-04-06 15:45:20 -03001680 tmg_lock = 1;
1681 else if (cur_step < steps) {
1682 if (dir > 0)
1683 freq += cur_step * car_step;
1684 else
1685 freq -= cur_step * car_step;
1686
1687 /* Setup tuner */
Manu Abraham27d40322009-05-02 18:26:58 -03001688 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
1689 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03001690
Manu Abraham27d40322009-05-02 18:26:58 -03001691 if (state->config->tuner_set_frequency) {
1692 if (state->config->tuner_set_frequency(fe, state->frequency) < 0)
1693 goto err;
1694 }
Manu Abrahame415c682009-04-06 15:45:20 -03001695
Manu Abraham27d40322009-05-02 18:26:58 -03001696 if (state->config->tuner_set_bandwidth) {
1697 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
1698 goto err;
1699 }
Manu Abrahame415c682009-04-06 15:45:20 -03001700
Manu Abraham27d40322009-05-02 18:26:58 -03001701 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
1702 goto err;
1703
Manu Abrahame415c682009-04-06 15:45:20 -03001704 msleep(50);
Manu Abrahame415c682009-04-06 15:45:20 -03001705
Manu Abraham27d40322009-05-02 18:26:58 -03001706 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
1707 goto err;
1708
1709 if (state->config->tuner_get_status) {
1710 if (state->config->tuner_get_status(fe, &reg) < 0)
1711 goto err;
1712 }
Manu Abrahame415c682009-04-06 15:45:20 -03001713
1714 if (reg)
1715 dprintk(FE_DEBUG, 1, "Tuner phase locked");
1716 else
1717 dprintk(FE_DEBUG, 1, "Tuner unlocked");
1718
Manu Abraham27d40322009-05-02 18:26:58 -03001719 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
1720 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03001721
1722 }
1723 }
1724 if (!tmg_lock)
1725 srate_coarse = 0;
1726 else
1727 srate_coarse = stv090x_get_srate(state, state->mclk);
1728
1729 return srate_coarse;
1730err:
1731 dprintk(FE_ERROR, 1, "I/O error");
1732 return -1;
1733}
1734
1735static u32 stv090x_srate_srch_fine(struct stv090x_state *state)
1736{
1737 u32 srate_coarse, freq_coarse, sym, reg;
1738
1739 srate_coarse = stv090x_get_srate(state, state->mclk);
1740 freq_coarse = STV090x_READ_DEMOD(state, CFR2) << 8;
1741 freq_coarse |= STV090x_READ_DEMOD(state, CFR1);
1742 sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
1743
1744 if (sym < state->srate)
1745 srate_coarse = 0;
1746 else {
1747 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0) /* Demod RESET */
1748 goto err;
1749 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0x01) < 0)
1750 goto err;
1751 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0x20) < 0)
1752 goto err;
1753 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0x00) < 0)
1754 goto err;
1755 if (STV090x_WRITE_DEMOD(state, TMGCFG, 0xd2) < 0)
1756 goto err;
1757 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1758 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00);
1759 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1760 goto err;
1761
Andreas Regelb4a42482009-11-13 18:16:44 -03001762 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
1763 goto err;
1764
Manu Abraham27d40322009-05-02 18:26:58 -03001765 if (state->dev_ver >= 0x30) {
1766 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x79) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03001767 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03001768 } else if (state->dev_ver >= 0x20) {
1769 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03001770 goto err;
1771 }
1772
1773 if (srate_coarse > 3000000) {
1774 sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
1775 sym = (sym / 1000) * 65536;
1776 sym /= (state->mclk / 1000);
1777 if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0)
1778 goto err;
1779 if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0)
1780 goto err;
1781 sym = 10 * (srate_coarse / 13); /* SFRLOW = SFR - 30% */
1782 sym = (sym / 1000) * 65536;
1783 sym /= (state->mclk / 1000);
1784 if (STV090x_WRITE_DEMOD(state, SFRLOW1, (sym >> 8) & 0x7f) < 0)
1785 goto err;
1786 if (STV090x_WRITE_DEMOD(state, SFRLOW0, sym & 0xff) < 0)
1787 goto err;
1788 sym = (srate_coarse / 1000) * 65536;
1789 sym /= (state->mclk / 1000);
1790 if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0xff) < 0)
1791 goto err;
1792 if (STV090x_WRITE_DEMOD(state, SFRINIT0, sym & 0xff) < 0)
1793 goto err;
1794 } else {
1795 sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
1796 sym = (sym / 100) * 65536;
1797 sym /= (state->mclk / 100);
1798 if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0)
1799 goto err;
1800 if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0)
1801 goto err;
1802 sym = 10 * (srate_coarse / 14); /* SFRLOW = SFR - 30% */
1803 sym = (sym / 100) * 65536;
1804 sym /= (state->mclk / 100);
1805 if (STV090x_WRITE_DEMOD(state, SFRLOW1, (sym >> 8) & 0x7f) < 0)
1806 goto err;
1807 if (STV090x_WRITE_DEMOD(state, SFRLOW0, sym & 0xff) < 0)
1808 goto err;
1809 sym = (srate_coarse / 100) * 65536;
1810 sym /= (state->mclk / 100);
1811 if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0xff) < 0)
1812 goto err;
1813 if (STV090x_WRITE_DEMOD(state, SFRINIT0, sym & 0xff) < 0)
1814 goto err;
1815 }
1816 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x20) < 0)
1817 goto err;
1818 if (STV090x_WRITE_DEMOD(state, CFRINIT1, (freq_coarse >> 8) & 0xff) < 0)
1819 goto err;
1820 if (STV090x_WRITE_DEMOD(state, CFRINIT0, freq_coarse & 0xff) < 0)
1821 goto err;
1822 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0) /* trigger acquisition */
1823 goto err;
1824 }
1825
1826 return srate_coarse;
1827
1828err:
1829 dprintk(FE_ERROR, 1, "I/O error");
1830 return -1;
1831}
1832
1833static int stv090x_get_dmdlock(struct stv090x_state *state, s32 timeout)
1834{
1835 s32 timer = 0, lock = 0;
1836 u32 reg;
1837 u8 stat;
1838
1839 while ((timer < timeout) && (!lock)) {
1840 reg = STV090x_READ_DEMOD(state, DMDSTATE);
1841 stat = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
1842
1843 switch (stat) {
1844 case 0: /* searching */
1845 case 1: /* first PLH detected */
1846 default:
1847 dprintk(FE_DEBUG, 1, "Demodulator searching ..");
1848 lock = 0;
1849 break;
1850 case 2: /* DVB-S2 mode */
1851 case 3: /* DVB-S1/legacy mode */
1852 reg = STV090x_READ_DEMOD(state, DSTATUS);
1853 lock = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
1854 break;
1855 }
1856
1857 if (!lock)
1858 msleep(10);
1859 else
1860 dprintk(FE_DEBUG, 1, "Demodulator acquired LOCK");
1861
1862 timer += 10;
1863 }
1864 return lock;
1865}
1866
1867static int stv090x_blind_search(struct stv090x_state *state)
1868{
1869 u32 agc2, reg, srate_coarse;
1870 s32 timeout_dmd = 500, cpt_fail, agc2_ovflw, i;
1871 u8 k_ref, k_max, k_min;
1872 int coarse_fail, lock;
1873
Manu Abraham27d40322009-05-02 18:26:58 -03001874 k_max = 120;
1875 k_min = 30;
Manu Abrahame415c682009-04-06 15:45:20 -03001876
1877 agc2 = stv090x_get_agc2_min_level(state);
1878
Manu Abraham27d40322009-05-02 18:26:58 -03001879 if (agc2 > STV090x_SEARCH_AGC2_TH(state->dev_ver)) {
Manu Abrahame415c682009-04-06 15:45:20 -03001880 lock = 0;
1881 } else {
Manu Abraham27d40322009-05-02 18:26:58 -03001882
1883 if (state->dev_ver <= 0x20) {
1884 if (STV090x_WRITE_DEMOD(state, CARCFG, 0xc4) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03001885 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03001886 } else {
1887 /* > Cut 3 */
1888 if (STV090x_WRITE_DEMOD(state, CARCFG, 0x06) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03001889 goto err;
1890 }
1891
Manu Abrahame415c682009-04-06 15:45:20 -03001892 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x44) < 0)
1893 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03001894
Manu Abrahame415c682009-04-06 15:45:20 -03001895 if (state->dev_ver >= 0x20) {
1896 if (STV090x_WRITE_DEMOD(state, EQUALCFG, 0x41) < 0)
1897 goto err;
1898 if (STV090x_WRITE_DEMOD(state, FFECFG, 0x41) < 0)
1899 goto err;
1900 if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x82) < 0)
1901 goto err;
1902 if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x00) < 0) /* set viterbi hysteresis */
1903 goto err;
1904 }
1905
1906 k_ref = k_max;
1907 do {
1908 if (STV090x_WRITE_DEMOD(state, KREFTMG, k_ref) < 0)
1909 goto err;
1910 if (stv090x_srate_srch_coarse(state) != 0) {
1911 srate_coarse = stv090x_srate_srch_fine(state);
1912 if (srate_coarse != 0) {
1913 stv090x_get_lock_tmg(state);
1914 lock = stv090x_get_dmdlock(state, timeout_dmd);
1915 } else {
1916 lock = 0;
1917 }
1918 } else {
1919 cpt_fail = 0;
1920 agc2_ovflw = 0;
1921 for (i = 0; i < 10; i++) {
Andreas Regelb4a42482009-11-13 18:16:44 -03001922 agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
1923 STV090x_READ_DEMOD(state, AGC2I0);
Manu Abrahame415c682009-04-06 15:45:20 -03001924 if (agc2 >= 0xff00)
1925 agc2_ovflw++;
1926 reg = STV090x_READ_DEMOD(state, DSTATUS2);
1927 if ((STV090x_GETFIELD_Px(reg, CFR_OVERFLOW_FIELD) == 0x01) &&
1928 (STV090x_GETFIELD_Px(reg, DEMOD_DELOCK_FIELD) == 0x01))
1929
1930 cpt_fail++;
1931 }
1932 if ((cpt_fail > 7) || (agc2_ovflw > 7))
1933 coarse_fail = 1;
1934
1935 lock = 0;
1936 }
1937 k_ref -= 30;
1938 } while ((k_ref >= k_min) && (!lock) && (!coarse_fail));
1939 }
1940
1941 return lock;
1942
1943err:
1944 dprintk(FE_ERROR, 1, "I/O error");
1945 return -1;
1946}
1947
1948static int stv090x_chk_tmg(struct stv090x_state *state)
1949{
1950 u32 reg;
Manu Abraham27d40322009-05-02 18:26:58 -03001951 s32 tmg_cpt = 0, i;
Manu Abrahame415c682009-04-06 15:45:20 -03001952 u8 freq, tmg_thh, tmg_thl;
1953 int tmg_lock;
1954
1955 freq = STV090x_READ_DEMOD(state, CARFREQ);
1956 tmg_thh = STV090x_READ_DEMOD(state, TMGTHRISE);
1957 tmg_thl = STV090x_READ_DEMOD(state, TMGTHFALL);
1958 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0x20) < 0)
1959 goto err;
1960 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0x00) < 0)
1961 goto err;
1962
1963 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1964 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00); /* stop carrier offset search */
1965 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1966 goto err;
1967 if (STV090x_WRITE_DEMOD(state, RTC, 0x80) < 0)
1968 goto err;
1969
1970 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x40) < 0)
1971 goto err;
1972 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x00) < 0)
1973 goto err;
1974
1975 if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0) /* set car ofset to 0 */
1976 goto err;
1977 if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
1978 goto err;
1979 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x65) < 0)
1980 goto err;
1981
1982 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0) /* trigger acquisition */
1983 goto err;
1984 msleep(10);
1985
1986 for (i = 0; i < 10; i++) {
1987 reg = STV090x_READ_DEMOD(state, DSTATUS);
1988 if (STV090x_GETFIELD_Px(reg, TMGLOCK_QUALITY_FIELD) >= 2)
1989 tmg_cpt++;
1990 msleep(1);
1991 }
1992 if (tmg_cpt >= 3)
1993 tmg_lock = 1;
1994
1995 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
1996 goto err;
1997 if (STV090x_WRITE_DEMOD(state, RTC, 0x88) < 0) /* DVB-S1 timing */
1998 goto err;
1999 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x68) < 0) /* DVB-S2 timing */
2000 goto err;
2001
2002 if (STV090x_WRITE_DEMOD(state, CARFREQ, freq) < 0)
2003 goto err;
2004 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, tmg_thh) < 0)
2005 goto err;
2006 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, tmg_thl) < 0)
2007 goto err;
2008
2009 return tmg_lock;
2010
2011err:
2012 dprintk(FE_ERROR, 1, "I/O error");
2013 return -1;
2014}
2015
2016static int stv090x_get_coldlock(struct stv090x_state *state, s32 timeout_dmd)
2017{
2018 struct dvb_frontend *fe = &state->frontend;
2019
2020 u32 reg;
2021 s32 car_step, steps, cur_step, dir, freq, timeout_lock;
2022 int lock = 0;
2023
2024 if (state->srate >= 10000000)
2025 timeout_lock = timeout_dmd / 3;
2026 else
2027 timeout_lock = timeout_dmd / 2;
2028
2029 lock = stv090x_get_dmdlock(state, timeout_lock); /* cold start wait */
2030 if (!lock) {
2031 if (state->srate >= 10000000) {
2032 if (stv090x_chk_tmg(state)) {
2033 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
2034 goto err;
2035 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
2036 goto err;
2037 lock = stv090x_get_dmdlock(state, timeout_dmd);
2038 } else {
2039 lock = 0;
2040 }
2041 } else {
2042 if (state->srate <= 4000000)
2043 car_step = 1000;
2044 else if (state->srate <= 7000000)
2045 car_step = 2000;
2046 else if (state->srate <= 10000000)
2047 car_step = 3000;
2048 else
2049 car_step = 5000;
2050
2051 steps = (state->search_range / 1000) / car_step;
2052 steps /= 2;
2053 steps = 2 * (steps + 1);
2054 if (steps < 0)
2055 steps = 2;
2056 else if (steps > 12)
2057 steps = 12;
2058
2059 cur_step = 1;
2060 dir = 1;
2061
2062 if (!lock) {
2063 freq = state->frequency;
2064 state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + state->srate;
2065 while ((cur_step <= steps) && (!lock)) {
2066 if (dir > 0)
2067 freq += cur_step * car_step;
2068 else
2069 freq -= cur_step * car_step;
2070
2071 /* Setup tuner */
Manu Abraham27d40322009-05-02 18:26:58 -03002072 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
2073 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002074
Manu Abraham27d40322009-05-02 18:26:58 -03002075 if (state->config->tuner_set_frequency) {
2076 if (state->config->tuner_set_frequency(fe, state->frequency) < 0)
2077 goto err;
2078 }
Manu Abrahame415c682009-04-06 15:45:20 -03002079
Manu Abraham27d40322009-05-02 18:26:58 -03002080 if (state->config->tuner_set_bandwidth) {
2081 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
2082 goto err;
2083 }
Manu Abrahame415c682009-04-06 15:45:20 -03002084
Manu Abraham27d40322009-05-02 18:26:58 -03002085 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
2086 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002087
2088 msleep(50);
2089
Manu Abraham27d40322009-05-02 18:26:58 -03002090 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
2091 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002092
Manu Abraham27d40322009-05-02 18:26:58 -03002093 if (state->config->tuner_get_status) {
2094 if (state->config->tuner_get_status(fe, &reg) < 0)
2095 goto err;
2096 }
Manu Abrahame415c682009-04-06 15:45:20 -03002097
2098 if (reg)
2099 dprintk(FE_DEBUG, 1, "Tuner phase locked");
2100 else
2101 dprintk(FE_DEBUG, 1, "Tuner unlocked");
2102
Manu Abraham27d40322009-05-02 18:26:58 -03002103 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
2104 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002105
2106 STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c);
2107 if (state->delsys == STV090x_DVBS2) {
2108 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2109 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
2110 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
2111 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2112 goto err;
2113 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
2114 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
2115 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2116 goto err;
2117 }
2118 if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0)
2119 goto err;
2120 if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
2121 goto err;
2122 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
2123 goto err;
2124 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
2125 goto err;
2126 lock = stv090x_get_dmdlock(state, (timeout_dmd / 3));
2127
2128 dir *= -1;
2129 cur_step++;
2130 }
2131 }
2132 }
2133 }
2134
2135 return lock;
2136
2137err:
2138 dprintk(FE_ERROR, 1, "I/O error");
2139 return -1;
2140}
2141
2142static int stv090x_get_loop_params(struct stv090x_state *state, s32 *freq_inc, s32 *timeout_sw, s32 *steps)
2143{
2144 s32 timeout, inc, steps_max, srate, car_max;
2145
2146 srate = state->srate;
2147 car_max = state->search_range / 1000;
Andreas Regel2f5914b2009-04-23 14:56:41 -03002148 car_max += car_max / 10;
Manu Abrahame415c682009-04-06 15:45:20 -03002149 car_max = 65536 * (car_max / 2);
2150 car_max /= (state->mclk / 1000);
2151
2152 if (car_max > 0x4000)
2153 car_max = 0x4000 ; /* maxcarrier should be<= +-1/4 Mclk */
2154
2155 inc = srate;
2156 inc /= state->mclk / 1000;
2157 inc *= 256;
2158 inc *= 256;
2159 inc /= 1000;
2160
Andreas Regel72982f72009-04-08 17:28:41 -03002161 switch (state->search_mode) {
Manu Abrahame415c682009-04-06 15:45:20 -03002162 case STV090x_SEARCH_DVBS1:
2163 case STV090x_SEARCH_DSS:
2164 inc *= 3; /* freq step = 3% of srate */
2165 timeout = 20;
2166 break;
2167
2168 case STV090x_SEARCH_DVBS2:
2169 inc *= 4;
2170 timeout = 25;
2171 break;
2172
2173 case STV090x_SEARCH_AUTO:
2174 default:
2175 inc *= 3;
2176 timeout = 25;
2177 break;
2178 }
2179 inc /= 100;
2180 if ((inc > car_max) || (inc < 0))
2181 inc = car_max / 2; /* increment <= 1/8 Mclk */
2182
2183 timeout *= 27500; /* 27.5 Msps reference */
2184 if (srate > 0)
2185 timeout /= (srate / 1000);
2186
2187 if ((timeout > 100) || (timeout < 0))
2188 timeout = 100;
2189
2190 steps_max = (car_max / inc) + 1; /* min steps = 3 */
2191 if ((steps_max > 100) || (steps_max < 0)) {
2192 steps_max = 100; /* max steps <= 100 */
2193 inc = car_max / steps_max;
2194 }
2195 *freq_inc = inc;
2196 *timeout_sw = timeout;
2197 *steps = steps_max;
2198
2199 return 0;
2200}
2201
2202static int stv090x_chk_signal(struct stv090x_state *state)
2203{
2204 s32 offst_car, agc2, car_max;
2205 int no_signal;
2206
2207 offst_car = STV090x_READ_DEMOD(state, CFR2) << 8;
2208 offst_car |= STV090x_READ_DEMOD(state, CFR1);
Andreas Regel2f5914b2009-04-23 14:56:41 -03002209 offst_car = comp2(offst_car, 16);
Manu Abrahame415c682009-04-06 15:45:20 -03002210
2211 agc2 = STV090x_READ_DEMOD(state, AGC2I1) << 8;
2212 agc2 |= STV090x_READ_DEMOD(state, AGC2I0);
2213 car_max = state->search_range / 1000;
2214
2215 car_max += (car_max / 10); /* 10% margin */
2216 car_max = (65536 * car_max / 2);
2217 car_max /= state->mclk / 1000;
2218
2219 if (car_max > 0x4000)
2220 car_max = 0x4000;
2221
2222 if ((agc2 > 0x2000) || (offst_car > 2 * car_max) || (offst_car < -2 * car_max)) {
2223 no_signal = 1;
2224 dprintk(FE_DEBUG, 1, "No Signal");
2225 } else {
2226 no_signal = 0;
2227 dprintk(FE_DEBUG, 1, "Found Signal");
2228 }
2229
2230 return no_signal;
2231}
2232
2233static int stv090x_search_car_loop(struct stv090x_state *state, s32 inc, s32 timeout, int zigzag, s32 steps_max)
2234{
2235 int no_signal, lock = 0;
Manu Abraham27d40322009-05-02 18:26:58 -03002236 s32 cpt_step = 0, offst_freq, car_max;
Manu Abrahame415c682009-04-06 15:45:20 -03002237 u32 reg;
2238
2239 car_max = state->search_range / 1000;
2240 car_max += (car_max / 10);
2241 car_max = (65536 * car_max / 2);
2242 car_max /= (state->mclk / 1000);
2243 if (car_max > 0x4000)
2244 car_max = 0x4000;
2245
2246 if (zigzag)
2247 offst_freq = 0;
2248 else
2249 offst_freq = -car_max + inc;
2250
Manu Abrahame415c682009-04-06 15:45:20 -03002251 do {
2252 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c) < 0)
2253 goto err;
2254 if (STV090x_WRITE_DEMOD(state, CFRINIT1, ((offst_freq / 256) & 0xff)) < 0)
2255 goto err;
2256 if (STV090x_WRITE_DEMOD(state, CFRINIT0, offst_freq & 0xff) < 0)
2257 goto err;
2258 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
2259 goto err;
2260
2261 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
2262 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x1); /* stop DVB-S2 packet delin */
2263 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
2264 goto err;
2265
Manu Abrahame415c682009-04-06 15:45:20 -03002266 if (zigzag) {
2267 if (offst_freq >= 0)
2268 offst_freq = -offst_freq - 2 * inc;
2269 else
2270 offst_freq = -offst_freq;
2271 } else {
2272 offst_freq += 2 * inc;
2273 }
2274
Andreas Regel2f5914b2009-04-23 14:56:41 -03002275 cpt_step++;
2276
Manu Abrahame415c682009-04-06 15:45:20 -03002277 lock = stv090x_get_dmdlock(state, timeout);
2278 no_signal = stv090x_chk_signal(state);
2279
2280 } while ((!lock) &&
2281 (!no_signal) &&
2282 ((offst_freq - inc) < car_max) &&
2283 ((offst_freq + inc) > -car_max) &&
2284 (cpt_step < steps_max));
2285
2286 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
2287 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0);
2288 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
2289 goto err;
2290
2291 return lock;
2292err:
2293 dprintk(FE_ERROR, 1, "I/O error");
2294 return -1;
2295}
2296
2297static int stv090x_sw_algo(struct stv090x_state *state)
2298{
2299 int no_signal, zigzag, lock = 0;
2300 u32 reg;
2301
2302 s32 dvbs2_fly_wheel;
2303 s32 inc, timeout_step, trials, steps_max;
2304
Manu Abraham27d40322009-05-02 18:26:58 -03002305 /* get params */
2306 stv090x_get_loop_params(state, &inc, &timeout_step, &steps_max);
Manu Abrahame415c682009-04-06 15:45:20 -03002307
Andreas Regel72982f72009-04-08 17:28:41 -03002308 switch (state->search_mode) {
Manu Abrahame415c682009-04-06 15:45:20 -03002309 case STV090x_SEARCH_DVBS1:
2310 case STV090x_SEARCH_DSS:
2311 /* accelerate the frequency detector */
2312 if (state->dev_ver >= 0x20) {
2313 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x3B) < 0)
2314 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002315 }
Manu Abraham27d40322009-05-02 18:26:58 -03002316
Manu Abrahame415c682009-04-06 15:45:20 -03002317 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x49) < 0)
2318 goto err;
2319 zigzag = 0;
2320 break;
2321
2322 case STV090x_SEARCH_DVBS2:
2323 if (state->dev_ver >= 0x20) {
2324 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
2325 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002326 }
Manu Abraham27d40322009-05-02 18:26:58 -03002327
Manu Abrahame415c682009-04-06 15:45:20 -03002328 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x89) < 0)
2329 goto err;
2330 zigzag = 1;
2331 break;
2332
2333 case STV090x_SEARCH_AUTO:
2334 default:
2335 /* accelerate the frequency detector */
2336 if (state->dev_ver >= 0x20) {
2337 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x3b) < 0)
2338 goto err;
2339 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
2340 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002341 }
Manu Abraham27d40322009-05-02 18:26:58 -03002342
Andreas Regel2f5914b2009-04-23 14:56:41 -03002343 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0xc9) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03002344 goto err;
2345 zigzag = 0;
2346 break;
2347 }
2348
2349 trials = 0;
2350 do {
2351 lock = stv090x_search_car_loop(state, inc, timeout_step, zigzag, steps_max);
2352 no_signal = stv090x_chk_signal(state);
2353 trials++;
2354
2355 /*run the SW search 2 times maximum*/
2356 if (lock || no_signal || (trials == 2)) {
2357 /*Check if the demod is not losing lock in DVBS2*/
2358 if (state->dev_ver >= 0x20) {
2359 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
2360 goto err;
2361 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x9e) < 0)
2362 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002363 }
2364
2365 reg = STV090x_READ_DEMOD(state, DMDSTATE);
2366 if ((lock) && (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == STV090x_DVBS2)) {
2367 /*Check if the demod is not losing lock in DVBS2*/
2368 msleep(timeout_step);
2369 reg = STV090x_READ_DEMOD(state, DMDFLYW);
2370 dvbs2_fly_wheel = STV090x_GETFIELD_Px(reg, FLYWHEEL_CPT_FIELD);
2371 if (dvbs2_fly_wheel < 0xd) { /*if correct frames is decrementing */
2372 msleep(timeout_step);
2373 reg = STV090x_READ_DEMOD(state, DMDFLYW);
2374 dvbs2_fly_wheel = STV090x_GETFIELD_Px(reg, FLYWHEEL_CPT_FIELD);
2375 }
2376 if (dvbs2_fly_wheel < 0xd) {
2377 /*FALSE lock, The demod is loosing lock */
2378 lock = 0;
2379 if (trials < 2) {
2380 if (state->dev_ver >= 0x20) {
2381 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
2382 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002383 }
Manu Abraham27d40322009-05-02 18:26:58 -03002384
Manu Abrahame415c682009-04-06 15:45:20 -03002385 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x89) < 0)
2386 goto err;
2387 }
2388 }
2389 }
2390 }
2391 } while ((!lock) && (trials < 2) && (!no_signal));
2392
2393 return lock;
2394err:
2395 dprintk(FE_ERROR, 1, "I/O error");
2396 return -1;
2397}
2398
2399static enum stv090x_delsys stv090x_get_std(struct stv090x_state *state)
2400{
2401 u32 reg;
2402 enum stv090x_delsys delsys;
2403
2404 reg = STV090x_READ_DEMOD(state, DMDSTATE);
2405 if (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == 2)
2406 delsys = STV090x_DVBS2;
2407 else if (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == 3) {
2408 reg = STV090x_READ_DEMOD(state, FECM);
2409 if (STV090x_GETFIELD_Px(reg, DSS_DVB_FIELD) == 1)
2410 delsys = STV090x_DSS;
2411 else
2412 delsys = STV090x_DVBS1;
2413 } else {
2414 delsys = STV090x_ERROR;
2415 }
2416
2417 return delsys;
2418}
2419
2420/* in Hz */
2421static s32 stv090x_get_car_freq(struct stv090x_state *state, u32 mclk)
2422{
2423 s32 derot, int_1, int_2, tmp_1, tmp_2;
Manu Abrahame415c682009-04-06 15:45:20 -03002424
2425 derot = STV090x_READ_DEMOD(state, CFR2) << 16;
2426 derot |= STV090x_READ_DEMOD(state, CFR1) << 8;
2427 derot |= STV090x_READ_DEMOD(state, CFR0);
2428
2429 derot = comp2(derot, 24);
Manu Abrahamda4b9052009-04-08 20:30:29 -03002430 int_1 = state->mclk >> 12;
2431 int_2 = derot >> 12;
Manu Abrahame415c682009-04-06 15:45:20 -03002432
Manu Abrahamda4b9052009-04-08 20:30:29 -03002433 /* carrier_frequency = MasterClock * Reg / 2^24 */
2434 tmp_1 = state->mclk % 0x1000;
2435 tmp_2 = derot % 0x1000;
Manu Abrahame415c682009-04-06 15:45:20 -03002436
2437 derot = (int_1 * int_2) +
Manu Abrahamda4b9052009-04-08 20:30:29 -03002438 ((int_1 * tmp_2) >> 12) +
Andreas Regelb671a8d2009-11-13 18:15:27 -03002439 ((int_2 * tmp_1) >> 12);
Manu Abrahame415c682009-04-06 15:45:20 -03002440
2441 return derot;
2442}
2443
2444static int stv090x_get_viterbi(struct stv090x_state *state)
2445{
2446 u32 reg, rate;
2447
2448 reg = STV090x_READ_DEMOD(state, VITCURPUN);
2449 rate = STV090x_GETFIELD_Px(reg, VIT_CURPUN_FIELD);
2450
2451 switch (rate) {
2452 case 13:
2453 state->fec = STV090x_PR12;
2454 break;
2455
2456 case 18:
2457 state->fec = STV090x_PR23;
2458 break;
2459
2460 case 21:
2461 state->fec = STV090x_PR34;
2462 break;
2463
2464 case 24:
2465 state->fec = STV090x_PR56;
2466 break;
2467
2468 case 25:
2469 state->fec = STV090x_PR67;
2470 break;
2471
2472 case 26:
2473 state->fec = STV090x_PR78;
2474 break;
2475
2476 default:
2477 state->fec = STV090x_PRERR;
2478 break;
2479 }
2480
2481 return 0;
2482}
2483
2484static enum stv090x_signal_state stv090x_get_sig_params(struct stv090x_state *state)
2485{
2486 struct dvb_frontend *fe = &state->frontend;
2487
2488 u8 tmg;
2489 u32 reg;
2490 s32 i = 0, offst_freq;
2491
2492 msleep(5);
2493
2494 if (state->algo == STV090x_BLIND_SEARCH) {
2495 tmg = STV090x_READ_DEMOD(state, TMGREG2);
2496 STV090x_WRITE_DEMOD(state, SFRSTEP, 0x5c);
Andreas Regel2f5914b2009-04-23 14:56:41 -03002497 while ((i <= 50) && (tmg != 0) && (tmg != 0xff)) {
Manu Abrahame415c682009-04-06 15:45:20 -03002498 tmg = STV090x_READ_DEMOD(state, TMGREG2);
2499 msleep(5);
2500 i += 5;
2501 }
2502 }
2503 state->delsys = stv090x_get_std(state);
2504
Manu Abraham27d40322009-05-02 18:26:58 -03002505 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
2506 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002507
Manu Abraham27d40322009-05-02 18:26:58 -03002508 if (state->config->tuner_get_frequency) {
2509 if (state->config->tuner_get_frequency(fe, &state->frequency) < 0)
2510 goto err;
2511 }
Manu Abrahame415c682009-04-06 15:45:20 -03002512
Manu Abraham27d40322009-05-02 18:26:58 -03002513 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
2514 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002515
2516 offst_freq = stv090x_get_car_freq(state, state->mclk) / 1000;
2517 state->frequency += offst_freq;
Manu Abraham27d40322009-05-02 18:26:58 -03002518
2519 if (stv090x_get_viterbi(state) < 0)
2520 goto err;
2521
Manu Abrahame415c682009-04-06 15:45:20 -03002522 reg = STV090x_READ_DEMOD(state, DMDMODCOD);
2523 state->modcod = STV090x_GETFIELD_Px(reg, DEMOD_MODCOD_FIELD);
2524 state->pilots = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) & 0x01;
2525 state->frame_len = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) >> 1;
2526 reg = STV090x_READ_DEMOD(state, TMGOBS);
2527 state->rolloff = STV090x_GETFIELD_Px(reg, ROLLOFF_STATUS_FIELD);
2528 reg = STV090x_READ_DEMOD(state, FECM);
2529 state->inversion = STV090x_GETFIELD_Px(reg, IQINV_FIELD);
2530
2531 if ((state->algo == STV090x_BLIND_SEARCH) || (state->srate < 10000000)) {
2532
Manu Abraham27d40322009-05-02 18:26:58 -03002533 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
2534 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002535
Manu Abraham27d40322009-05-02 18:26:58 -03002536 if (state->config->tuner_get_frequency) {
2537 if (state->config->tuner_get_frequency(fe, &state->frequency) < 0)
2538 goto err;
2539 }
Manu Abrahame415c682009-04-06 15:45:20 -03002540
Manu Abraham27d40322009-05-02 18:26:58 -03002541 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
2542 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002543
2544 if (abs(offst_freq) <= ((state->search_range / 2000) + 500))
Andreas Regel2f5914b2009-04-23 14:56:41 -03002545 return STV090x_RANGEOK;
Manu Abrahame415c682009-04-06 15:45:20 -03002546 else if (abs(offst_freq) <= (stv090x_car_width(state->srate, state->rolloff) / 2000))
2547 return STV090x_RANGEOK;
2548 else
2549 return STV090x_OUTOFRANGE; /* Out of Range */
2550 } else {
2551 if (abs(offst_freq) <= ((state->search_range / 2000) + 500))
2552 return STV090x_RANGEOK;
2553 else
2554 return STV090x_OUTOFRANGE;
2555 }
2556
2557 return STV090x_OUTOFRANGE;
Manu Abraham27d40322009-05-02 18:26:58 -03002558err:
2559 dprintk(FE_ERROR, 1, "I/O error");
2560 return -1;
Manu Abrahame415c682009-04-06 15:45:20 -03002561}
2562
2563static u32 stv090x_get_tmgoffst(struct stv090x_state *state, u32 srate)
2564{
2565 s32 offst_tmg;
Manu Abrahame415c682009-04-06 15:45:20 -03002566
2567 offst_tmg = STV090x_READ_DEMOD(state, TMGREG2) << 16;
2568 offst_tmg |= STV090x_READ_DEMOD(state, TMGREG1) << 8;
2569 offst_tmg |= STV090x_READ_DEMOD(state, TMGREG0);
2570
Manu Abrahame415c682009-04-06 15:45:20 -03002571 offst_tmg = comp2(offst_tmg, 24); /* 2's complement */
2572 if (!offst_tmg)
2573 offst_tmg = 1;
2574
Manu Abraham5f99fef2009-04-08 20:24:53 -03002575 offst_tmg = ((s32) srate * 10) / ((s32) 0x1000000 / offst_tmg);
Manu Abrahame415c682009-04-06 15:45:20 -03002576 offst_tmg /= 320;
2577
2578 return offst_tmg;
2579}
2580
2581static u8 stv090x_optimize_carloop(struct stv090x_state *state, enum stv090x_modcod modcod, s32 pilots)
2582{
2583 u8 aclc = 0x29;
2584 s32 i;
Manu Abraham27d40322009-05-02 18:26:58 -03002585 struct stv090x_long_frame_crloop *car_loop, *car_loop_qpsk_low, *car_loop_apsk_low;
Manu Abrahame415c682009-04-06 15:45:20 -03002586
Manu Abraham27d40322009-05-02 18:26:58 -03002587 if (state->dev_ver == 0x20) {
2588 car_loop = stv090x_s2_crl_cut20;
2589 car_loop_qpsk_low = stv090x_s2_lowqpsk_crl_cut20;
2590 car_loop_apsk_low = stv090x_s2_apsk_crl_cut20;
2591 } else {
2592 /* >= Cut 3 */
2593 car_loop = stv090x_s2_crl_cut30;
2594 car_loop_qpsk_low = stv090x_s2_lowqpsk_crl_cut30;
2595 car_loop_apsk_low = stv090x_s2_apsk_crl_cut30;
2596 }
Manu Abrahame415c682009-04-06 15:45:20 -03002597
2598 if (modcod < STV090x_QPSK_12) {
2599 i = 0;
Manu Abraham27d40322009-05-02 18:26:58 -03002600 while ((i < 3) && (modcod != car_loop_qpsk_low[i].modcod))
Manu Abrahame415c682009-04-06 15:45:20 -03002601 i++;
2602
2603 if (i >= 3)
2604 i = 2;
2605
2606 } else {
2607 i = 0;
2608 while ((i < 14) && (modcod != car_loop[i].modcod))
2609 i++;
2610
2611 if (i >= 14) {
2612 i = 0;
Manu Abraham27d40322009-05-02 18:26:58 -03002613 while ((i < 11) && (modcod != car_loop_apsk_low[i].modcod))
Manu Abrahame415c682009-04-06 15:45:20 -03002614 i++;
2615
2616 if (i >= 11)
2617 i = 10;
2618 }
2619 }
2620
2621 if (modcod <= STV090x_QPSK_25) {
2622 if (pilots) {
2623 if (state->srate <= 3000000)
Manu Abraham27d40322009-05-02 18:26:58 -03002624 aclc = car_loop_qpsk_low[i].crl_pilots_on_2;
Manu Abrahame415c682009-04-06 15:45:20 -03002625 else if (state->srate <= 7000000)
Manu Abraham27d40322009-05-02 18:26:58 -03002626 aclc = car_loop_qpsk_low[i].crl_pilots_on_5;
Manu Abrahame415c682009-04-06 15:45:20 -03002627 else if (state->srate <= 15000000)
Manu Abraham27d40322009-05-02 18:26:58 -03002628 aclc = car_loop_qpsk_low[i].crl_pilots_on_10;
Manu Abrahame415c682009-04-06 15:45:20 -03002629 else if (state->srate <= 25000000)
Manu Abraham27d40322009-05-02 18:26:58 -03002630 aclc = car_loop_qpsk_low[i].crl_pilots_on_20;
Manu Abrahame415c682009-04-06 15:45:20 -03002631 else
Manu Abraham27d40322009-05-02 18:26:58 -03002632 aclc = car_loop_qpsk_low[i].crl_pilots_on_30;
Manu Abrahame415c682009-04-06 15:45:20 -03002633 } else {
2634 if (state->srate <= 3000000)
Manu Abraham27d40322009-05-02 18:26:58 -03002635 aclc = car_loop_qpsk_low[i].crl_pilots_off_2;
Manu Abrahame415c682009-04-06 15:45:20 -03002636 else if (state->srate <= 7000000)
Manu Abraham27d40322009-05-02 18:26:58 -03002637 aclc = car_loop_qpsk_low[i].crl_pilots_off_5;
Manu Abrahame415c682009-04-06 15:45:20 -03002638 else if (state->srate <= 15000000)
Manu Abraham27d40322009-05-02 18:26:58 -03002639 aclc = car_loop_qpsk_low[i].crl_pilots_off_10;
Manu Abrahame415c682009-04-06 15:45:20 -03002640 else if (state->srate <= 25000000)
Manu Abraham27d40322009-05-02 18:26:58 -03002641 aclc = car_loop_qpsk_low[i].crl_pilots_off_20;
Manu Abrahame415c682009-04-06 15:45:20 -03002642 else
Manu Abraham27d40322009-05-02 18:26:58 -03002643 aclc = car_loop_qpsk_low[i].crl_pilots_off_30;
Manu Abrahame415c682009-04-06 15:45:20 -03002644 }
2645
2646 } else if (modcod <= STV090x_8PSK_910) {
2647 if (pilots) {
2648 if (state->srate <= 3000000)
2649 aclc = car_loop[i].crl_pilots_on_2;
2650 else if (state->srate <= 7000000)
2651 aclc = car_loop[i].crl_pilots_on_5;
2652 else if (state->srate <= 15000000)
2653 aclc = car_loop[i].crl_pilots_on_10;
2654 else if (state->srate <= 25000000)
2655 aclc = car_loop[i].crl_pilots_on_20;
2656 else
2657 aclc = car_loop[i].crl_pilots_on_30;
2658 } else {
2659 if (state->srate <= 3000000)
2660 aclc = car_loop[i].crl_pilots_off_2;
2661 else if (state->srate <= 7000000)
2662 aclc = car_loop[i].crl_pilots_off_5;
2663 else if (state->srate <= 15000000)
2664 aclc = car_loop[i].crl_pilots_off_10;
2665 else if (state->srate <= 25000000)
2666 aclc = car_loop[i].crl_pilots_off_20;
2667 else
2668 aclc = car_loop[i].crl_pilots_off_30;
2669 }
2670 } else { /* 16APSK and 32APSK */
2671 if (state->srate <= 3000000)
Manu Abraham27d40322009-05-02 18:26:58 -03002672 aclc = car_loop_apsk_low[i].crl_pilots_on_2;
Manu Abrahame415c682009-04-06 15:45:20 -03002673 else if (state->srate <= 7000000)
Manu Abraham27d40322009-05-02 18:26:58 -03002674 aclc = car_loop_apsk_low[i].crl_pilots_on_5;
Manu Abrahame415c682009-04-06 15:45:20 -03002675 else if (state->srate <= 15000000)
Manu Abraham27d40322009-05-02 18:26:58 -03002676 aclc = car_loop_apsk_low[i].crl_pilots_on_10;
Manu Abrahame415c682009-04-06 15:45:20 -03002677 else if (state->srate <= 25000000)
Manu Abraham27d40322009-05-02 18:26:58 -03002678 aclc = car_loop_apsk_low[i].crl_pilots_on_20;
Manu Abrahame415c682009-04-06 15:45:20 -03002679 else
Manu Abraham27d40322009-05-02 18:26:58 -03002680 aclc = car_loop_apsk_low[i].crl_pilots_on_30;
Manu Abrahame415c682009-04-06 15:45:20 -03002681 }
2682
2683 return aclc;
2684}
2685
2686static u8 stv090x_optimize_carloop_short(struct stv090x_state *state)
2687{
Manu Abraham0a5ded52009-06-17 16:48:17 -03002688 struct stv090x_short_frame_crloop *short_crl = NULL;
Manu Abrahame415c682009-04-06 15:45:20 -03002689 s32 index = 0;
2690 u8 aclc = 0x0b;
2691
2692 switch (state->modulation) {
2693 case STV090x_QPSK:
2694 default:
2695 index = 0;
2696 break;
2697 case STV090x_8PSK:
2698 index = 1;
2699 break;
2700 case STV090x_16APSK:
2701 index = 2;
2702 break;
2703 case STV090x_32APSK:
2704 index = 3;
2705 break;
2706 }
2707
Manu Abrahameebf8d82009-06-18 04:50:53 -03002708 if (state->dev_ver >= 0x30) {
2709 /* Cut 3.0 and up */
Manu Abraham27d40322009-05-02 18:26:58 -03002710 short_crl = stv090x_s2_short_crl_cut30;
Manu Abrahameebf8d82009-06-18 04:50:53 -03002711 } else {
2712 /* Cut 2.0 and up: we don't support cuts older than 2.0 */
2713 short_crl = stv090x_s2_short_crl_cut20;
2714 }
Manu Abrahame415c682009-04-06 15:45:20 -03002715
Manu Abraham27d40322009-05-02 18:26:58 -03002716 if (state->srate <= 3000000)
2717 aclc = short_crl[index].crl_2;
2718 else if (state->srate <= 7000000)
2719 aclc = short_crl[index].crl_5;
2720 else if (state->srate <= 15000000)
2721 aclc = short_crl[index].crl_10;
2722 else if (state->srate <= 25000000)
2723 aclc = short_crl[index].crl_20;
2724 else
2725 aclc = short_crl[index].crl_30;
Manu Abrahame415c682009-04-06 15:45:20 -03002726
2727 return aclc;
2728}
2729
2730static int stv090x_optimize_track(struct stv090x_state *state)
2731{
2732 struct dvb_frontend *fe = &state->frontend;
2733
2734 enum stv090x_rolloff rolloff;
2735 enum stv090x_modcod modcod;
2736
2737 s32 srate, pilots, aclc, f_1, f_0, i = 0, blind_tune = 0;
2738 u32 reg;
2739
2740 srate = stv090x_get_srate(state, state->mclk);
2741 srate += stv090x_get_tmgoffst(state, srate);
2742
2743 switch (state->delsys) {
2744 case STV090x_DVBS1:
2745 case STV090x_DSS:
Andreas Regelb671a8d2009-11-13 18:15:27 -03002746 if (state->search_mode == STV090x_SEARCH_AUTO) {
Manu Abrahame415c682009-04-06 15:45:20 -03002747 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2748 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
2749 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
2750 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2751 goto err;
2752 }
2753 reg = STV090x_READ_DEMOD(state, DEMOD);
2754 STV090x_SETFIELD_Px(reg, ROLLOFF_CONTROL_FIELD, state->rolloff);
Manu Abraham27d40322009-05-02 18:26:58 -03002755 STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 0x01);
Manu Abrahame415c682009-04-06 15:45:20 -03002756 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
2757 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03002758
2759 if (state->dev_ver >= 0x30) {
2760 if (stv090x_get_viterbi(state) < 0)
2761 goto err;
2762
2763 if (state->fec == STV090x_PR12) {
2764 if (STV090x_WRITE_DEMOD(state, GAUSSR0, 0x98) < 0)
2765 goto err;
2766 if (STV090x_WRITE_DEMOD(state, CCIR0, 0x18) < 0)
2767 goto err;
2768 } else {
2769 if (STV090x_WRITE_DEMOD(state, GAUSSR0, 0x18) < 0)
2770 goto err;
2771 if (STV090x_WRITE_DEMOD(state, CCIR0, 0x18) < 0)
2772 goto err;
2773 }
2774 }
2775
Manu Abrahame415c682009-04-06 15:45:20 -03002776 if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x75) < 0)
2777 goto err;
2778 break;
2779
2780 case STV090x_DVBS2:
2781 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
Andreas Regel2f5914b2009-04-23 14:56:41 -03002782 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
2783 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
Manu Abrahame415c682009-04-06 15:45:20 -03002784 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2785 goto err;
2786 if (STV090x_WRITE_DEMOD(state, ACLC, 0) < 0)
2787 goto err;
2788 if (STV090x_WRITE_DEMOD(state, BCLC, 0) < 0)
2789 goto err;
2790 if (state->frame_len == STV090x_LONG_FRAME) {
2791 reg = STV090x_READ_DEMOD(state, DMDMODCOD);
2792 modcod = STV090x_GETFIELD_Px(reg, DEMOD_MODCOD_FIELD);
2793 pilots = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) & 0x01;
2794 aclc = stv090x_optimize_carloop(state, modcod, pilots);
2795 if (modcod <= STV090x_QPSK_910) {
2796 STV090x_WRITE_DEMOD(state, ACLC2S2Q, aclc);
2797 } else if (modcod <= STV090x_8PSK_910) {
2798 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2799 goto err;
2800 if (STV090x_WRITE_DEMOD(state, ACLC2S28, aclc) < 0)
2801 goto err;
2802 }
2803 if ((state->demod_mode == STV090x_SINGLE) && (modcod > STV090x_8PSK_910)) {
2804 if (modcod <= STV090x_16APSK_910) {
2805 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2806 goto err;
2807 if (STV090x_WRITE_DEMOD(state, ACLC2S216A, aclc) < 0)
2808 goto err;
2809 } else {
2810 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2811 goto err;
2812 if (STV090x_WRITE_DEMOD(state, ACLC2S232A, aclc) < 0)
2813 goto err;
2814 }
2815 }
2816 } else {
2817 /*Carrier loop setting for short frame*/
2818 aclc = stv090x_optimize_carloop_short(state);
2819 if (state->modulation == STV090x_QPSK) {
2820 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, aclc) < 0)
2821 goto err;
2822 } else if (state->modulation == STV090x_8PSK) {
2823 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2824 goto err;
2825 if (STV090x_WRITE_DEMOD(state, ACLC2S28, aclc) < 0)
2826 goto err;
2827 } else if (state->modulation == STV090x_16APSK) {
2828 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2829 goto err;
2830 if (STV090x_WRITE_DEMOD(state, ACLC2S216A, aclc) < 0)
2831 goto err;
2832 } else if (state->modulation == STV090x_32APSK) {
2833 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2834 goto err;
2835 if (STV090x_WRITE_DEMOD(state, ACLC2S232A, aclc) < 0)
2836 goto err;
2837 }
2838 }
Manu Abraham27d40322009-05-02 18:26:58 -03002839
Manu Abrahame415c682009-04-06 15:45:20 -03002840 STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x67); /* PER */
2841 break;
2842
2843 case STV090x_UNKNOWN:
2844 default:
2845 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2846 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
2847 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
2848 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2849 goto err;
2850 break;
2851 }
2852
2853 f_1 = STV090x_READ_DEMOD(state, CFR2);
2854 f_0 = STV090x_READ_DEMOD(state, CFR1);
2855 reg = STV090x_READ_DEMOD(state, TMGOBS);
2856 rolloff = STV090x_GETFIELD_Px(reg, ROLLOFF_STATUS_FIELD);
2857
2858 if (state->algo == STV090x_BLIND_SEARCH) {
2859 STV090x_WRITE_DEMOD(state, SFRSTEP, 0x00);
2860 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2861 STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0x00);
2862 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00);
2863 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2864 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03002865 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03002866 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03002867
2868 if (stv090x_set_srate(state, srate) < 0)
2869 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002870 blind_tune = 1;
2871 }
2872
2873 if (state->dev_ver >= 0x20) {
2874 if ((state->search_mode == STV090x_SEARCH_DVBS1) ||
2875 (state->search_mode == STV090x_SEARCH_DSS) ||
2876 (state->search_mode == STV090x_SEARCH_AUTO)) {
2877
2878 if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x0a) < 0)
2879 goto err;
2880 if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x00) < 0)
2881 goto err;
2882 }
2883 }
2884
Manu Abrahame415c682009-04-06 15:45:20 -03002885 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
2886 goto err;
2887
Manu Abraham27d40322009-05-02 18:26:58 -03002888 /* AUTO tracking MODE */
2889 if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x80) < 0)
2890 goto err;
2891 /* AUTO tracking MODE */
2892 if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x80) < 0)
2893 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002894
Manu Abraham27d40322009-05-02 18:26:58 -03002895 if ((state->dev_ver >= 0x20) || (blind_tune == 1) || (state->srate < 10000000)) {
2896 /* update initial carrier freq with the found freq offset */
Manu Abrahame415c682009-04-06 15:45:20 -03002897 if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
2898 goto err;
2899 if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
2900 goto err;
2901 state->tuner_bw = stv090x_car_width(srate, state->rolloff) + 10000000;
2902
2903 if ((state->dev_ver >= 0x20) || (blind_tune == 1)) {
2904
2905 if (state->algo != STV090x_WARM_SEARCH) {
2906
Manu Abraham27d40322009-05-02 18:26:58 -03002907 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
2908 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002909
Manu Abraham27d40322009-05-02 18:26:58 -03002910 if (state->config->tuner_set_bandwidth) {
2911 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
2912 goto err;
2913 }
Manu Abrahame415c682009-04-06 15:45:20 -03002914
Manu Abraham27d40322009-05-02 18:26:58 -03002915 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
2916 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03002917
2918 }
2919 }
2920 if ((state->algo == STV090x_BLIND_SEARCH) || (state->srate < 10000000))
2921 msleep(50); /* blind search: wait 50ms for SR stabilization */
2922 else
2923 msleep(5);
2924
2925 stv090x_get_lock_tmg(state);
2926
2927 if (!(stv090x_get_dmdlock(state, (state->DemodTimeout / 2)))) {
2928 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
2929 goto err;
2930 if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
2931 goto err;
2932 if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
2933 goto err;
2934 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
2935 goto err;
2936
2937 i = 0;
2938
2939 while ((!(stv090x_get_dmdlock(state, (state->DemodTimeout / 2)))) && (i <= 2)) {
2940
2941 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
2942 goto err;
2943 if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
2944 goto err;
2945 if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
2946 goto err;
2947 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
2948 goto err;
2949 i++;
2950 }
2951 }
2952
2953 }
2954
2955 if (state->dev_ver >= 0x20) {
2956 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
2957 goto err;
2958 }
Manu Abraham27d40322009-05-02 18:26:58 -03002959
Manu Abrahame415c682009-04-06 15:45:20 -03002960 if ((state->delsys == STV090x_DVBS1) || (state->delsys == STV090x_DSS))
2961 stv090x_set_vit_thtracq(state);
2962
2963 return 0;
2964err:
2965 dprintk(FE_ERROR, 1, "I/O error");
2966 return -1;
2967}
2968
2969static int stv090x_get_feclock(struct stv090x_state *state, s32 timeout)
2970{
2971 s32 timer = 0, lock = 0, stat;
2972 u32 reg;
2973
2974 while ((timer < timeout) && (!lock)) {
2975 reg = STV090x_READ_DEMOD(state, DMDSTATE);
2976 stat = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
2977
2978 switch (stat) {
2979 case 0: /* searching */
2980 case 1: /* first PLH detected */
2981 default:
2982 lock = 0;
2983 break;
2984
2985 case 2: /* DVB-S2 mode */
2986 reg = STV090x_READ_DEMOD(state, PDELSTATUS1);
2987 lock = STV090x_GETFIELD_Px(reg, PKTDELIN_LOCK_FIELD);
2988 break;
2989
2990 case 3: /* DVB-S1/legacy mode */
2991 reg = STV090x_READ_DEMOD(state, VSTATUSVIT);
2992 lock = STV090x_GETFIELD_Px(reg, LOCKEDVIT_FIELD);
2993 break;
2994 }
2995 if (!lock) {
2996 msleep(10);
2997 timer += 10;
2998 }
2999 }
3000 return lock;
3001}
3002
3003static int stv090x_get_lock(struct stv090x_state *state, s32 timeout_dmd, s32 timeout_fec)
3004{
3005 u32 reg;
3006 s32 timer = 0;
3007 int lock;
3008
3009 lock = stv090x_get_dmdlock(state, timeout_dmd);
3010 if (lock)
3011 lock = stv090x_get_feclock(state, timeout_fec);
3012
3013 if (lock) {
3014 lock = 0;
3015
3016 while ((timer < timeout_fec) && (!lock)) {
3017 reg = STV090x_READ_DEMOD(state, TSSTATUS);
3018 lock = STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD);
3019 msleep(1);
3020 timer++;
3021 }
3022 }
3023
3024 return lock;
3025}
3026
3027static int stv090x_set_s2rolloff(struct stv090x_state *state)
3028{
Manu Abrahame415c682009-04-06 15:45:20 -03003029 u32 reg;
3030
Manu Abraham27d40322009-05-02 18:26:58 -03003031 if (state->dev_ver <= 0x20) {
3032 /* rolloff to auto mode if DVBS2 */
Manu Abrahame415c682009-04-06 15:45:20 -03003033 reg = STV090x_READ_DEMOD(state, DEMOD);
Manu Abraham27d40322009-05-02 18:26:58 -03003034 STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 0x00);
Manu Abrahame415c682009-04-06 15:45:20 -03003035 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
3036 goto err;
3037 } else {
Manu Abraham27d40322009-05-02 18:26:58 -03003038 /* DVB-S2 rolloff to auto mode if DVBS2 */
Manu Abrahame415c682009-04-06 15:45:20 -03003039 reg = STV090x_READ_DEMOD(state, DEMOD);
Manu Abraham27d40322009-05-02 18:26:58 -03003040 STV090x_SETFIELD_Px(reg, MANUAL_S2ROLLOFF_FIELD, 0x00);
Manu Abrahame415c682009-04-06 15:45:20 -03003041 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
3042 goto err;
3043 }
3044 return 0;
3045err:
3046 dprintk(FE_ERROR, 1, "I/O error");
3047 return -1;
3048}
3049
Manu Abrahame415c682009-04-06 15:45:20 -03003050
3051static enum stv090x_signal_state stv090x_algo(struct stv090x_state *state)
3052{
3053 struct dvb_frontend *fe = &state->frontend;
3054 enum stv090x_signal_state signal_state = STV090x_NOCARRIER;
3055 u32 reg;
Manu Abraham27d40322009-05-02 18:26:58 -03003056 s32 timeout_dmd = 500, timeout_fec = 50, agc1_power, power_iq = 0, i;
Andreas Regel4e58a682009-04-16 08:40:36 -03003057 int lock = 0, low_sr = 0, no_signal = 0;
Manu Abrahame415c682009-04-06 15:45:20 -03003058
3059 reg = STV090x_READ_DEMOD(state, TSCFGH);
3060 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 1); /* Stop path 1 stream merger */
3061 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3062 goto err;
3063
3064 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5c) < 0) /* Demod stop */
3065 goto err;
3066
3067 if (state->dev_ver >= 0x20) {
3068 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x9e) < 0) /* cut 2.0 */
3069 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03003070 }
3071
3072 stv090x_get_lock_tmg(state);
3073
3074 if (state->algo == STV090x_BLIND_SEARCH) {
3075 state->tuner_bw = 2 * 36000000; /* wide bw for unknown srate */
Manu Abraham27d40322009-05-02 18:26:58 -03003076 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc0) < 0) /* wider srate scan */
Manu Abrahame415c682009-04-06 15:45:20 -03003077 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03003078 if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x70) < 0)
3079 goto err;
3080 if (stv090x_set_srate(state, 1000000) < 0) /* inital srate = 1Msps */
3081 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03003082 } else {
3083 /* known srate */
3084 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x20) < 0)
3085 goto err;
3086 if (STV090x_WRITE_DEMOD(state, TMGCFG, 0xd2) < 0)
3087 goto err;
3088
Manu Abraham27d40322009-05-02 18:26:58 -03003089 if (state->srate < 2000000) {
3090 /* SR < 2MSPS */
3091 if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x63) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03003092 goto err;
3093 } else {
Manu Abraham27d40322009-05-02 18:26:58 -03003094 /* SR >= 2Msps */
3095 if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x70) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03003096 goto err;
3097 }
3098
Manu Abraham27d40322009-05-02 18:26:58 -03003099 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
3100 goto err;
3101
Manu Abrahame415c682009-04-06 15:45:20 -03003102 if (state->dev_ver >= 0x20) {
3103 if (STV090x_WRITE_DEMOD(state, KREFTMG, 0x5a) < 0)
3104 goto err;
3105 if (state->algo == STV090x_COLD_SEARCH)
Andreas Regel4e58a682009-04-16 08:40:36 -03003106 state->tuner_bw = (15 * (stv090x_car_width(state->srate, state->rolloff) + 10000000)) / 10;
Manu Abrahame415c682009-04-06 15:45:20 -03003107 else if (state->algo == STV090x_WARM_SEARCH)
3108 state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + 10000000;
Manu Abrahame415c682009-04-06 15:45:20 -03003109 }
Manu Abraham27d40322009-05-02 18:26:58 -03003110
3111 /* if cold start or warm (Symbolrate is known)
3112 * use a Narrow symbol rate scan range
3113 */
3114 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0) /* narrow srate scan */
Manu Abrahame415c682009-04-06 15:45:20 -03003115 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03003116
3117 if (stv090x_set_srate(state, state->srate) < 0)
3118 goto err;
3119
3120 if (stv090x_set_max_srate(state, state->mclk, state->srate) < 0)
3121 goto err;
3122 if (stv090x_set_min_srate(state, state->mclk, state->srate) < 0)
3123 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03003124
3125 if (state->srate >= 10000000)
Andreas Regel4e58a682009-04-16 08:40:36 -03003126 low_sr = 0;
3127 else
Manu Abrahame415c682009-04-06 15:45:20 -03003128 low_sr = 1;
3129 }
3130
3131 /* Setup tuner */
Manu Abraham27d40322009-05-02 18:26:58 -03003132 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
3133 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03003134
Manu Abraham27d40322009-05-02 18:26:58 -03003135 if (state->config->tuner_set_bbgain) {
3136 if (state->config->tuner_set_bbgain(fe, 10) < 0) /* 10dB */
3137 goto err;
3138 }
Manu Abrahame415c682009-04-06 15:45:20 -03003139
Manu Abraham27d40322009-05-02 18:26:58 -03003140 if (state->config->tuner_set_frequency) {
3141 if (state->config->tuner_set_frequency(fe, state->frequency) < 0)
3142 goto err;
3143 }
Manu Abrahame415c682009-04-06 15:45:20 -03003144
Manu Abraham27d40322009-05-02 18:26:58 -03003145 if (state->config->tuner_set_bandwidth) {
3146 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
3147 goto err;
3148 }
Manu Abrahame415c682009-04-06 15:45:20 -03003149
Manu Abraham27d40322009-05-02 18:26:58 -03003150 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
3151 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03003152
3153 msleep(50);
3154
Manu Abraham27d40322009-05-02 18:26:58 -03003155 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
3156 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03003157
Manu Abraham27d40322009-05-02 18:26:58 -03003158 if (state->config->tuner_get_status) {
3159 if (state->config->tuner_get_status(fe, &reg) < 0)
3160 goto err;
3161 }
Manu Abrahame415c682009-04-06 15:45:20 -03003162
3163 if (reg)
3164 dprintk(FE_DEBUG, 1, "Tuner phase locked");
3165 else
3166 dprintk(FE_DEBUG, 1, "Tuner unlocked");
3167
Manu Abraham27d40322009-05-02 18:26:58 -03003168 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03003169 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03003170
Manu Abraham27d40322009-05-02 18:26:58 -03003171 msleep(10);
3172 agc1_power = MAKEWORD16(STV090x_READ_DEMOD(state, AGCIQIN1),
3173 STV090x_READ_DEMOD(state, AGCIQIN0));
3174
3175 if (agc1_power == 0) {
3176 /* If AGC1 integrator value is 0
3177 * then read POWERI, POWERQ
3178 */
3179 for (i = 0; i < 5; i++) {
3180 power_iq += (STV090x_READ_DEMOD(state, POWERI) +
3181 STV090x_READ_DEMOD(state, POWERQ)) >> 1;
3182 }
3183 power_iq /= 5;
Manu Abrahame415c682009-04-06 15:45:20 -03003184 }
3185
Manu Abraham27d40322009-05-02 18:26:58 -03003186 if ((agc1_power == 0) && (power_iq < STV090x_IQPOWER_THRESHOLD)) {
3187 dprintk(FE_ERROR, 1, "No Signal: POWER_IQ=0x%02x", power_iq);
3188 lock = 0;
3189
3190 } else {
3191 reg = STV090x_READ_DEMOD(state, DEMOD);
3192 STV090x_SETFIELD_Px(reg, SPECINV_CONTROL_FIELD, state->inversion);
3193
3194 if (state->dev_ver <= 0x20) {
3195 /* rolloff to auto mode if DVBS2 */
3196 STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 1);
3197 } else {
3198 /* DVB-S2 rolloff to auto mode if DVBS2 */
3199 STV090x_SETFIELD_Px(reg, MANUAL_S2ROLLOFF_FIELD, 1);
3200 }
3201 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
3202 goto err;
3203
3204 if (stv090x_delivery_search(state) < 0)
3205 goto err;
3206
3207 if (state->algo != STV090x_BLIND_SEARCH) {
3208 if (stv090x_start_search(state) < 0)
3209 goto err;
3210 }
3211 }
3212
3213 /* need to check for AGC1 state */
3214
3215
3216
Manu Abrahame415c682009-04-06 15:45:20 -03003217 if (state->algo == STV090x_BLIND_SEARCH)
3218 lock = stv090x_blind_search(state);
Manu Abraham27d40322009-05-02 18:26:58 -03003219
Manu Abrahame415c682009-04-06 15:45:20 -03003220 else if (state->algo == STV090x_COLD_SEARCH)
3221 lock = stv090x_get_coldlock(state, timeout_dmd);
Manu Abraham27d40322009-05-02 18:26:58 -03003222
Manu Abrahame415c682009-04-06 15:45:20 -03003223 else if (state->algo == STV090x_WARM_SEARCH)
3224 lock = stv090x_get_dmdlock(state, timeout_dmd);
3225
3226 if ((!lock) && (state->algo == STV090x_COLD_SEARCH)) {
3227 if (!low_sr) {
3228 if (stv090x_chk_tmg(state))
3229 lock = stv090x_sw_algo(state);
3230 }
3231 }
3232
3233 if (lock)
3234 signal_state = stv090x_get_sig_params(state);
3235
3236 if ((lock) && (signal_state == STV090x_RANGEOK)) { /* signal within Range */
3237 stv090x_optimize_track(state);
Manu Abraham27d40322009-05-02 18:26:58 -03003238
3239 if (state->dev_ver >= 0x20) {
3240 /* >= Cut 2.0 :release TS reset after
3241 * demod lock and optimized Tracking
3242 */
Manu Abrahame415c682009-04-06 15:45:20 -03003243 reg = STV090x_READ_DEMOD(state, TSCFGH);
3244 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0); /* release merger reset */
3245 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3246 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03003247
Manu Abrahame415c682009-04-06 15:45:20 -03003248 msleep(3);
Manu Abraham27d40322009-05-02 18:26:58 -03003249
Manu Abrahame415c682009-04-06 15:45:20 -03003250 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 1); /* merger reset */
3251 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3252 goto err;
3253
3254 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0); /* release merger reset */
3255 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3256 goto err;
3257 }
3258
3259 if (stv090x_get_lock(state, timeout_fec, timeout_fec)) {
3260 lock = 1;
3261 if (state->delsys == STV090x_DVBS2) {
3262 stv090x_set_s2rolloff(state);
Manu Abraham27d40322009-05-02 18:26:58 -03003263
3264 reg = STV090x_READ_DEMOD(state, PDELCTRL2);
3265 STV090x_SETFIELD_Px(reg, RESET_UPKO_COUNT, 1);
3266 if (STV090x_WRITE_DEMOD(state, PDELCTRL2, reg) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03003267 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03003268 /* Reset DVBS2 packet delinator error counter */
3269 reg = STV090x_READ_DEMOD(state, PDELCTRL2);
3270 STV090x_SETFIELD_Px(reg, RESET_UPKO_COUNT, 0);
3271 if (STV090x_WRITE_DEMOD(state, PDELCTRL2, reg) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03003272 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03003273
Manu Abrahame415c682009-04-06 15:45:20 -03003274 if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x67) < 0) /* PER */
3275 goto err;
3276 } else {
3277 if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x75) < 0)
3278 goto err;
3279 }
Manu Abraham27d40322009-05-02 18:26:58 -03003280 /* Reset the Total packet counter */
Manu Abrahame415c682009-04-06 15:45:20 -03003281 if (STV090x_WRITE_DEMOD(state, FBERCPT4, 0x00) < 0)
3282 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03003283 /* Reset the packet Error counter2 */
Manu Abrahame415c682009-04-06 15:45:20 -03003284 if (STV090x_WRITE_DEMOD(state, ERRCTRL2, 0xc1) < 0)
3285 goto err;
3286 } else {
3287 lock = 0;
3288 signal_state = STV090x_NODATA;
3289 no_signal = stv090x_chk_signal(state);
3290 }
3291 }
Manu Abrahame415c682009-04-06 15:45:20 -03003292 return signal_state;
3293
3294err:
3295 dprintk(FE_ERROR, 1, "I/O error");
3296 return -1;
3297}
3298
3299static enum dvbfe_search stv090x_search(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
3300{
3301 struct stv090x_state *state = fe->demodulator_priv;
3302 struct dtv_frontend_properties *props = &fe->dtv_property_cache;
3303
3304 state->delsys = props->delivery_system;
3305 state->frequency = p->frequency;
3306 state->srate = p->u.qpsk.symbol_rate;
Andreas Regel4e58a682009-04-16 08:40:36 -03003307 state->search_mode = STV090x_SEARCH_AUTO;
3308 state->algo = STV090x_COLD_SEARCH;
3309 state->fec = STV090x_PRERR;
Andreas Regelc879d8c2009-11-13 18:11:26 -03003310 if (state->srate > 10000000) {
3311 dprintk(FE_DEBUG, 1, "Search range: 10 MHz");
3312 state->search_range = 10000000;
3313 } else {
3314 dprintk(FE_DEBUG, 1, "Search range: 5 MHz");
3315 state->search_range = 5000000;
3316 }
Manu Abrahame415c682009-04-06 15:45:20 -03003317
Andreas Regel2f5914b2009-04-23 14:56:41 -03003318 if (stv090x_algo(state) == STV090x_RANGEOK) {
Manu Abrahame415c682009-04-06 15:45:20 -03003319 dprintk(FE_DEBUG, 1, "Search success!");
3320 return DVBFE_ALGO_SEARCH_SUCCESS;
3321 } else {
3322 dprintk(FE_DEBUG, 1, "Search failed!");
3323 return DVBFE_ALGO_SEARCH_FAILED;
3324 }
3325
3326 return DVBFE_ALGO_SEARCH_ERROR;
3327}
3328
3329/* FIXME! */
3330static int stv090x_read_status(struct dvb_frontend *fe, enum fe_status *status)
3331{
3332 struct stv090x_state *state = fe->demodulator_priv;
3333 u32 reg;
3334 u8 search_state;
Manu Abrahame415c682009-04-06 15:45:20 -03003335
3336 reg = STV090x_READ_DEMOD(state, DMDSTATE);
3337 search_state = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
3338
3339 switch (search_state) {
3340 case 0: /* searching */
3341 case 1: /* first PLH detected */
3342 default:
3343 dprintk(FE_DEBUG, 1, "Status: Unlocked (Searching ..)");
Andreas Regel9629c5b2009-04-23 14:58:36 -03003344 *status = 0;
Manu Abrahame415c682009-04-06 15:45:20 -03003345 break;
3346
3347 case 2: /* DVB-S2 mode */
3348 dprintk(FE_DEBUG, 1, "Delivery system: DVB-S2");
3349 reg = STV090x_READ_DEMOD(state, DSTATUS);
3350 if (STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD)) {
3351 reg = STV090x_READ_DEMOD(state, TSSTATUS);
3352 if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD)) {
Manu Abrahame415c682009-04-06 15:45:20 -03003353 *status = FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
3354 }
3355 }
3356 break;
3357
3358 case 3: /* DVB-S1/legacy mode */
3359 dprintk(FE_DEBUG, 1, "Delivery system: DVB-S");
3360 reg = STV090x_READ_DEMOD(state, DSTATUS);
3361 if (STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD)) {
3362 reg = STV090x_READ_DEMOD(state, VSTATUSVIT);
3363 if (STV090x_GETFIELD_Px(reg, LOCKEDVIT_FIELD)) {
3364 reg = STV090x_READ_DEMOD(state, TSSTATUS);
3365 if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD)) {
Manu Abrahame415c682009-04-06 15:45:20 -03003366 *status = FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
3367 }
3368 }
3369 }
3370 break;
3371 }
3372
Andreas Regel9629c5b2009-04-23 14:58:36 -03003373 return 0;
Manu Abrahame415c682009-04-06 15:45:20 -03003374}
3375
3376static int stv090x_read_per(struct dvb_frontend *fe, u32 *per)
3377{
3378 struct stv090x_state *state = fe->demodulator_priv;
3379
3380 s32 count_4, count_3, count_2, count_1, count_0, count;
3381 u32 reg, h, m, l;
3382 enum fe_status status;
3383
Andreas Regel9629c5b2009-04-23 14:58:36 -03003384 stv090x_read_status(fe, &status);
3385 if (!(status & FE_HAS_LOCK)) {
Manu Abrahame415c682009-04-06 15:45:20 -03003386 *per = 1 << 23; /* Max PER */
3387 } else {
3388 /* Counter 2 */
3389 reg = STV090x_READ_DEMOD(state, ERRCNT22);
3390 h = STV090x_GETFIELD_Px(reg, ERR_CNT2_FIELD);
3391
3392 reg = STV090x_READ_DEMOD(state, ERRCNT21);
3393 m = STV090x_GETFIELD_Px(reg, ERR_CNT21_FIELD);
3394
3395 reg = STV090x_READ_DEMOD(state, ERRCNT20);
3396 l = STV090x_GETFIELD_Px(reg, ERR_CNT20_FIELD);
3397
3398 *per = ((h << 16) | (m << 8) | l);
3399
3400 count_4 = STV090x_READ_DEMOD(state, FBERCPT4);
3401 count_3 = STV090x_READ_DEMOD(state, FBERCPT3);
3402 count_2 = STV090x_READ_DEMOD(state, FBERCPT2);
3403 count_1 = STV090x_READ_DEMOD(state, FBERCPT1);
3404 count_0 = STV090x_READ_DEMOD(state, FBERCPT0);
3405
3406 if ((!count_4) && (!count_3)) {
3407 count = (count_2 & 0xff) << 16;
3408 count |= (count_1 & 0xff) << 8;
3409 count |= count_0 & 0xff;
3410 } else {
3411 count = 1 << 24;
3412 }
3413 if (count == 0)
3414 *per = 1;
3415 }
3416 if (STV090x_WRITE_DEMOD(state, FBERCPT4, 0) < 0)
3417 goto err;
3418 if (STV090x_WRITE_DEMOD(state, ERRCTRL2, 0xc1) < 0)
3419 goto err;
3420
3421 return 0;
3422err:
3423 dprintk(FE_ERROR, 1, "I/O error");
3424 return -1;
3425}
3426
3427static int stv090x_table_lookup(const struct stv090x_tab *tab, int max, int val)
3428{
3429 int res = 0;
3430 int min = 0, med;
3431
Andreas Regeldbeb7db2009-11-13 18:14:00 -03003432 if ((val >= tab[min].read && val < tab[max].read) ||
3433 (val >= tab[max].read && val < tab[min].read)) {
Manu Abrahame415c682009-04-06 15:45:20 -03003434 while ((max - min) > 1) {
3435 med = (max + min) / 2;
Andreas Regeldbeb7db2009-11-13 18:14:00 -03003436 if ((val >= tab[min].read && val < tab[med].read) ||
3437 (val >= tab[med].read && val < tab[min].read))
Manu Abrahame415c682009-04-06 15:45:20 -03003438 max = med;
3439 else
3440 min = med;
3441 }
3442 res = ((val - tab[min].read) *
3443 (tab[max].real - tab[min].real) /
3444 (tab[max].read - tab[min].read)) +
3445 tab[min].real;
Andreas Regeldbeb7db2009-11-13 18:14:00 -03003446 } else {
3447 if (tab[min].read < tab[max].read) {
3448 if (val < tab[min].read)
3449 res = tab[min].real;
3450 else if (val >= tab[max].read)
3451 res = tab[max].real;
3452 } else {
3453 if (val >= tab[min].read)
3454 res = tab[min].real;
3455 else if (val < tab[max].read)
3456 res = tab[max].real;
3457 }
Manu Abrahame415c682009-04-06 15:45:20 -03003458 }
3459
3460 return res;
3461}
3462
3463static int stv090x_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
3464{
3465 struct stv090x_state *state = fe->demodulator_priv;
3466 u32 reg;
Andreas Regeldbeb7db2009-11-13 18:14:00 -03003467 s32 agc_0, agc_1, agc;
3468 s32 str;
Manu Abrahame415c682009-04-06 15:45:20 -03003469
3470 reg = STV090x_READ_DEMOD(state, AGCIQIN1);
Andreas Regeldbeb7db2009-11-13 18:14:00 -03003471 agc_1 = STV090x_GETFIELD_Px(reg, AGCIQ_VALUE_FIELD);
3472 reg = STV090x_READ_DEMOD(state, AGCIQIN0);
3473 agc_0 = STV090x_GETFIELD_Px(reg, AGCIQ_VALUE_FIELD);
3474 agc = MAKEWORD16(agc_1, agc_0);
Manu Abrahame415c682009-04-06 15:45:20 -03003475
Andreas Regeldbeb7db2009-11-13 18:14:00 -03003476 str = stv090x_table_lookup(stv090x_rf_tab,
3477 ARRAY_SIZE(stv090x_rf_tab) - 1, agc);
Manu Abrahame415c682009-04-06 15:45:20 -03003478 if (agc > stv090x_rf_tab[0].read)
Andreas Regeldbeb7db2009-11-13 18:14:00 -03003479 str = 0;
Manu Abrahame415c682009-04-06 15:45:20 -03003480 else if (agc < stv090x_rf_tab[ARRAY_SIZE(stv090x_rf_tab) - 1].read)
Andreas Regeldbeb7db2009-11-13 18:14:00 -03003481 str = -100;
3482 *strength = (str + 100) * 0xFFFF / 100;
Manu Abrahame415c682009-04-06 15:45:20 -03003483
3484 return 0;
3485}
3486
3487static int stv090x_read_cnr(struct dvb_frontend *fe, u16 *cnr)
3488{
3489 struct stv090x_state *state = fe->demodulator_priv;
3490 u32 reg_0, reg_1, reg, i;
3491 s32 val_0, val_1, val = 0;
3492 u8 lock_f;
Andreas Regeldbeb7db2009-11-13 18:14:00 -03003493 s32 div;
3494 u32 last;
Manu Abrahame415c682009-04-06 15:45:20 -03003495
3496 switch (state->delsys) {
3497 case STV090x_DVBS2:
3498 reg = STV090x_READ_DEMOD(state, DSTATUS);
3499 lock_f = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
3500 if (lock_f) {
3501 msleep(5);
3502 for (i = 0; i < 16; i++) {
3503 reg_1 = STV090x_READ_DEMOD(state, NNOSPLHT1);
3504 val_1 = STV090x_GETFIELD_Px(reg_1, NOSPLHT_NORMED_FIELD);
3505 reg_0 = STV090x_READ_DEMOD(state, NNOSPLHT0);
Andreas Regeldbeb7db2009-11-13 18:14:00 -03003506 val_0 = STV090x_GETFIELD_Px(reg_0, NOSPLHT_NORMED_FIELD);
Manu Abrahame415c682009-04-06 15:45:20 -03003507 val += MAKEWORD16(val_1, val_0);
3508 msleep(1);
3509 }
3510 val /= 16;
Andreas Regeldbeb7db2009-11-13 18:14:00 -03003511 last = ARRAY_SIZE(stv090x_s2cn_tab) - 1;
3512 div = stv090x_s2cn_tab[0].read -
3513 stv090x_s2cn_tab[last].read;
3514 *cnr = 0xFFFF - ((val * 0xFFFF) / div);
Manu Abrahame415c682009-04-06 15:45:20 -03003515 }
3516 break;
3517
3518 case STV090x_DVBS1:
3519 case STV090x_DSS:
3520 reg = STV090x_READ_DEMOD(state, DSTATUS);
3521 lock_f = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
3522 if (lock_f) {
3523 msleep(5);
3524 for (i = 0; i < 16; i++) {
3525 reg_1 = STV090x_READ_DEMOD(state, NOSDATAT1);
3526 val_1 = STV090x_GETFIELD_Px(reg_1, NOSDATAT_UNNORMED_FIELD);
3527 reg_0 = STV090x_READ_DEMOD(state, NOSDATAT0);
Andreas Regeldbeb7db2009-11-13 18:14:00 -03003528 val_0 = STV090x_GETFIELD_Px(reg_0, NOSDATAT_UNNORMED_FIELD);
Manu Abrahame415c682009-04-06 15:45:20 -03003529 val += MAKEWORD16(val_1, val_0);
3530 msleep(1);
3531 }
3532 val /= 16;
Andreas Regeldbeb7db2009-11-13 18:14:00 -03003533 last = ARRAY_SIZE(stv090x_s1cn_tab) - 1;
3534 div = stv090x_s1cn_tab[0].read -
3535 stv090x_s1cn_tab[last].read;
3536 *cnr = 0xFFFF - ((val * 0xFFFF) / div);
Manu Abrahame415c682009-04-06 15:45:20 -03003537 }
3538 break;
3539 default:
3540 break;
3541 }
3542
3543 return 0;
3544}
3545
3546static int stv090x_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
3547{
3548 struct stv090x_state *state = fe->demodulator_priv;
3549 u32 reg;
3550
3551 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3552 switch (tone) {
3553 case SEC_TONE_ON:
3554 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 0);
3555 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3556 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3557 goto err;
3558 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
3559 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3560 goto err;
3561 break;
3562
3563 case SEC_TONE_OFF:
3564 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 0);
3565 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3566 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3567 goto err;
3568 break;
3569 default:
3570 return -EINVAL;
3571 }
3572
3573 return 0;
3574err:
3575 dprintk(FE_ERROR, 1, "I/O error");
3576 return -1;
3577}
3578
3579
3580static enum dvbfe_algo stv090x_frontend_algo(struct dvb_frontend *fe)
3581{
3582 return DVBFE_ALGO_CUSTOM;
3583}
3584
3585static int stv090x_send_diseqc_msg(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
3586{
3587 struct stv090x_state *state = fe->demodulator_priv;
3588 u32 reg, idle = 0, fifo_full = 1;
3589 int i;
3590
3591 reg = STV090x_READ_DEMOD(state, DISTXCTL);
Andreas Regelf9ed95d2009-04-08 17:27:51 -03003592
3593 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 2);
3594 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3595 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3596 goto err;
3597 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
3598 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3599 goto err;
3600
Manu Abrahame415c682009-04-06 15:45:20 -03003601 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 1);
3602 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3603 goto err;
3604
3605 for (i = 0; i < cmd->msg_len; i++) {
3606
3607 while (fifo_full) {
3608 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3609 fifo_full = STV090x_GETFIELD_Px(reg, FIFO_FULL_FIELD);
3610 }
3611
3612 if (STV090x_WRITE_DEMOD(state, DISTXDATA, cmd->msg[i]) < 0)
3613 goto err;
Andreas Regelf9ed95d2009-04-08 17:27:51 -03003614 }
3615 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3616 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 0);
3617 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3618 goto err;
3619
3620 i = 0;
3621
3622 while ((!idle) && (i < 10)) {
3623 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3624 idle = STV090x_GETFIELD_Px(reg, TX_IDLE_FIELD);
3625 msleep(10);
Manu Abrahame415c682009-04-06 15:45:20 -03003626 i++;
3627 }
Andreas Regelf9ed95d2009-04-08 17:27:51 -03003628
3629 return 0;
3630err:
3631 dprintk(FE_ERROR, 1, "I/O error");
3632 return -1;
3633}
3634
3635static int stv090x_send_diseqc_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t burst)
3636{
3637 struct stv090x_state *state = fe->demodulator_priv;
3638 u32 reg, idle = 0, fifo_full = 1;
3639 u8 mode, value;
3640 int i;
3641
3642 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3643
3644 if (burst == SEC_MINI_A) {
3645 mode = 3;
3646 value = 0x00;
3647 } else {
3648 mode = 2;
3649 value = 0xFF;
3650 }
3651
3652 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, mode);
3653 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3654 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3655 goto err;
3656 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
3657 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3658 goto err;
3659
3660 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 1);
3661 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3662 goto err;
3663
3664 while (fifo_full) {
3665 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3666 fifo_full = STV090x_GETFIELD_Px(reg, FIFO_FULL_FIELD);
3667 }
3668
3669 if (STV090x_WRITE_DEMOD(state, DISTXDATA, value) < 0)
3670 goto err;
3671
Manu Abrahame415c682009-04-06 15:45:20 -03003672 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3673 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 0);
3674 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3675 goto err;
3676
3677 i = 0;
3678
3679 while ((!idle) && (i < 10)) {
3680 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3681 idle = STV090x_GETFIELD_Px(reg, TX_IDLE_FIELD);
3682 msleep(10);
3683 i++;
3684 }
3685
3686 return 0;
3687err:
3688 dprintk(FE_ERROR, 1, "I/O error");
3689 return -1;
3690}
3691
3692static int stv090x_recv_slave_reply(struct dvb_frontend *fe, struct dvb_diseqc_slave_reply *reply)
3693{
3694 struct stv090x_state *state = fe->demodulator_priv;
3695 u32 reg = 0, i = 0, rx_end = 0;
3696
3697 while ((rx_end != 1) && (i < 10)) {
3698 msleep(10);
3699 i++;
3700 reg = STV090x_READ_DEMOD(state, DISRX_ST0);
3701 rx_end = STV090x_GETFIELD_Px(reg, RX_END_FIELD);
3702 }
3703
3704 if (rx_end) {
3705 reply->msg_len = STV090x_GETFIELD_Px(reg, FIFO_BYTENBR_FIELD);
3706 for (i = 0; i < reply->msg_len; i++)
3707 reply->msg[i] = STV090x_READ_DEMOD(state, DISRXDATA);
3708 }
3709
3710 return 0;
3711}
3712
3713static int stv090x_sleep(struct dvb_frontend *fe)
3714{
3715 struct stv090x_state *state = fe->demodulator_priv;
3716 u32 reg;
3717
3718 dprintk(FE_DEBUG, 1, "Set %s to sleep",
3719 state->device == STV0900 ? "STV0900" : "STV0903");
3720
3721 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
3722 STV090x_SETFIELD(reg, STANDBY_FIELD, 0x01);
3723 if (stv090x_write_reg(state, STV090x_SYNTCTRL, reg) < 0)
3724 goto err;
3725
Manu Abraham26b03bc2009-04-08 18:27:10 -03003726 reg = stv090x_read_reg(state, STV090x_TSTTNR1);
3727 STV090x_SETFIELD(reg, ADC1_PON_FIELD, 0);
3728 if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
3729 goto err;
3730
Manu Abrahame415c682009-04-06 15:45:20 -03003731 return 0;
3732err:
3733 dprintk(FE_ERROR, 1, "I/O error");
3734 return -1;
3735}
3736
3737static int stv090x_wakeup(struct dvb_frontend *fe)
3738{
3739 struct stv090x_state *state = fe->demodulator_priv;
3740 u32 reg;
3741
3742 dprintk(FE_DEBUG, 1, "Wake %s from standby",
3743 state->device == STV0900 ? "STV0900" : "STV0903");
3744
3745 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
3746 STV090x_SETFIELD(reg, STANDBY_FIELD, 0x00);
3747 if (stv090x_write_reg(state, STV090x_SYNTCTRL, reg) < 0)
3748 goto err;
3749
Manu Abraham26b03bc2009-04-08 18:27:10 -03003750 reg = stv090x_read_reg(state, STV090x_TSTTNR1);
3751 STV090x_SETFIELD(reg, ADC1_PON_FIELD, 1);
3752 if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
3753 goto err;
3754
Manu Abrahame415c682009-04-06 15:45:20 -03003755 return 0;
3756err:
3757 dprintk(FE_ERROR, 1, "I/O error");
3758 return -1;
3759}
3760
3761static void stv090x_release(struct dvb_frontend *fe)
3762{
3763 struct stv090x_state *state = fe->demodulator_priv;
3764
3765 kfree(state);
3766}
3767
3768static int stv090x_ldpc_mode(struct stv090x_state *state, enum stv090x_mode ldpc_mode)
3769{
Manu Abraham27d40322009-05-02 18:26:58 -03003770 u32 reg = 0;
Manu Abrahame415c682009-04-06 15:45:20 -03003771
3772 switch (ldpc_mode) {
3773 case STV090x_DUAL:
3774 default:
Manu Abrahame415c682009-04-06 15:45:20 -03003775 if ((state->demod_mode != STV090x_DUAL) || (STV090x_GETFIELD(reg, DDEMOD_FIELD) != 1)) {
Manu Abraham27d40322009-05-02 18:26:58 -03003776 /* set LDPC to dual mode */
3777 if (stv090x_write_reg(state, STV090x_GENCFG, 0x1d) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03003778 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03003779
Manu Abrahame415c682009-04-06 15:45:20 -03003780 state->demod_mode = STV090x_DUAL;
Manu Abraham27d40322009-05-02 18:26:58 -03003781
Manu Abrahame415c682009-04-06 15:45:20 -03003782 reg = stv090x_read_reg(state, STV090x_TSTRES0);
3783 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x1);
3784 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
3785 goto err;
3786 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x0);
3787 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
3788 goto err;
Manu Abraham27d40322009-05-02 18:26:58 -03003789
3790 if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
3791 goto err;
3792 if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xff) < 0)
3793 goto err;
3794 if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xff) < 0)
3795 goto err;
3796 if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xff) < 0)
3797 goto err;
3798 if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xff) < 0)
3799 goto err;
3800 if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xff) < 0)
3801 goto err;
3802 if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xff) < 0)
3803 goto err;
3804
3805 if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xcc) < 0)
3806 goto err;
3807 if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xcc) < 0)
3808 goto err;
3809 if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xcc) < 0)
3810 goto err;
3811 if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xcc) < 0)
3812 goto err;
3813 if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xcc) < 0)
3814 goto err;
3815 if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xcc) < 0)
3816 goto err;
3817 if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xcc) < 0)
3818 goto err;
3819
3820 if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xff) < 0)
3821 goto err;
3822 if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xcf) < 0)
3823 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03003824 }
3825 break;
3826
3827 case STV090x_SINGLE:
Manu Abraham27d40322009-05-02 18:26:58 -03003828 if (stv090x_stop_modcod(state) < 0)
3829 goto err;
3830 if (stv090x_activate_modcod_single(state) < 0)
3831 goto err;
3832
Manu Abrahame415c682009-04-06 15:45:20 -03003833 if (state->demod == STV090x_DEMODULATOR_1) {
3834 if (stv090x_write_reg(state, STV090x_GENCFG, 0x06) < 0) /* path 2 */
3835 goto err;
3836 } else {
3837 if (stv090x_write_reg(state, STV090x_GENCFG, 0x04) < 0) /* path 1 */
3838 goto err;
3839 }
3840
3841 reg = stv090x_read_reg(state, STV090x_TSTRES0);
3842 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x1);
3843 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
3844 goto err;
3845 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x0);
3846 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
3847 goto err;
3848
3849 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
3850 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x01);
3851 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
3852 goto err;
3853 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x00);
3854 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
3855 goto err;
3856 break;
3857 }
3858
3859 return 0;
3860err:
3861 dprintk(FE_ERROR, 1, "I/O error");
3862 return -1;
3863}
3864
3865/* return (Hz), clk in Hz*/
3866static u32 stv090x_get_mclk(struct stv090x_state *state)
3867{
3868 const struct stv090x_config *config = state->config;
3869 u32 div, reg;
3870 u8 ratio;
3871
3872 div = stv090x_read_reg(state, STV090x_NCOARSE);
3873 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
3874 ratio = STV090x_GETFIELD(reg, SELX1RATIO_FIELD) ? 4 : 6;
3875
3876 return (div + 1) * config->xtal / ratio; /* kHz */
3877}
3878
3879static int stv090x_set_mclk(struct stv090x_state *state, u32 mclk, u32 clk)
3880{
3881 const struct stv090x_config *config = state->config;
3882 u32 reg, div, clk_sel;
3883
3884 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
3885 clk_sel = ((STV090x_GETFIELD(reg, SELX1RATIO_FIELD) == 1) ? 4 : 6);
3886
3887 div = ((clk_sel * mclk) / config->xtal) - 1;
3888
3889 reg = stv090x_read_reg(state, STV090x_NCOARSE);
3890 STV090x_SETFIELD(reg, M_DIV_FIELD, div);
3891 if (stv090x_write_reg(state, STV090x_NCOARSE, reg) < 0)
3892 goto err;
3893
3894 state->mclk = stv090x_get_mclk(state);
3895
Manu Abraham94a80912009-04-08 19:45:43 -03003896 /*Set the DiseqC frequency to 22KHz */
3897 div = state->mclk / 704000;
3898 if (STV090x_WRITE_DEMOD(state, F22TX, div) < 0)
3899 goto err;
3900 if (STV090x_WRITE_DEMOD(state, F22RX, div) < 0)
3901 goto err;
3902
Manu Abrahame415c682009-04-06 15:45:20 -03003903 return 0;
3904err:
3905 dprintk(FE_ERROR, 1, "I/O error");
3906 return -1;
3907}
3908
3909static int stv090x_set_tspath(struct stv090x_state *state)
3910{
3911 u32 reg;
3912
3913 if (state->dev_ver >= 0x20) {
3914 switch (state->config->ts1_mode) {
3915 case STV090x_TSMODE_PARALLEL_PUNCTURED:
3916 case STV090x_TSMODE_DVBCI:
3917 switch (state->config->ts2_mode) {
3918 case STV090x_TSMODE_SERIAL_PUNCTURED:
3919 case STV090x_TSMODE_SERIAL_CONTINUOUS:
3920 default:
3921 stv090x_write_reg(state, STV090x_TSGENERAL, 0x00);
3922 break;
3923
3924 case STV090x_TSMODE_PARALLEL_PUNCTURED:
3925 case STV090x_TSMODE_DVBCI:
3926 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x06) < 0) /* Mux'd stream mode */
3927 goto err;
3928 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
3929 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
3930 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
3931 goto err;
3932 reg = stv090x_read_reg(state, STV090x_P2_TSCFGM);
3933 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
3934 if (stv090x_write_reg(state, STV090x_P2_TSCFGM, reg) < 0)
3935 goto err;
3936 if (stv090x_write_reg(state, STV090x_P1_TSSPEED, 0x14) < 0)
3937 goto err;
3938 if (stv090x_write_reg(state, STV090x_P2_TSSPEED, 0x28) < 0)
3939 goto err;
3940 break;
3941 }
3942 break;
3943
3944 case STV090x_TSMODE_SERIAL_PUNCTURED:
3945 case STV090x_TSMODE_SERIAL_CONTINUOUS:
3946 default:
3947 switch (state->config->ts2_mode) {
3948 case STV090x_TSMODE_SERIAL_PUNCTURED:
3949 case STV090x_TSMODE_SERIAL_CONTINUOUS:
3950 default:
3951 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c) < 0)
3952 goto err;
3953 break;
3954
3955 case STV090x_TSMODE_PARALLEL_PUNCTURED:
3956 case STV090x_TSMODE_DVBCI:
3957 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0a) < 0)
3958 goto err;
3959 break;
3960 }
3961 break;
3962 }
3963 } else {
3964 switch (state->config->ts1_mode) {
3965 case STV090x_TSMODE_PARALLEL_PUNCTURED:
3966 case STV090x_TSMODE_DVBCI:
3967 switch (state->config->ts2_mode) {
3968 case STV090x_TSMODE_SERIAL_PUNCTURED:
3969 case STV090x_TSMODE_SERIAL_CONTINUOUS:
3970 default:
Manu Abraham56571502009-04-07 16:08:26 -03003971 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x10);
Manu Abrahame415c682009-04-06 15:45:20 -03003972 break;
3973
3974 case STV090x_TSMODE_PARALLEL_PUNCTURED:
3975 case STV090x_TSMODE_DVBCI:
Manu Abraham56571502009-04-07 16:08:26 -03003976 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x16);
Manu Abrahame415c682009-04-06 15:45:20 -03003977 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
3978 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
3979 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
3980 goto err;
3981 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
3982 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 0);
3983 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
3984 goto err;
3985 if (stv090x_write_reg(state, STV090x_P1_TSSPEED, 0x14) < 0)
3986 goto err;
3987 if (stv090x_write_reg(state, STV090x_P2_TSSPEED, 0x28) < 0)
3988 goto err;
3989 break;
3990 }
3991 break;
3992
3993 case STV090x_TSMODE_SERIAL_PUNCTURED:
3994 case STV090x_TSMODE_SERIAL_CONTINUOUS:
3995 default:
3996 switch (state->config->ts2_mode) {
3997 case STV090x_TSMODE_SERIAL_PUNCTURED:
3998 case STV090x_TSMODE_SERIAL_CONTINUOUS:
3999 default:
Manu Abraham56571502009-04-07 16:08:26 -03004000 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x14);
Manu Abrahame415c682009-04-06 15:45:20 -03004001 break;
4002
4003 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4004 case STV090x_TSMODE_DVBCI:
Manu Abraham56571502009-04-07 16:08:26 -03004005 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x12);
Manu Abrahame415c682009-04-06 15:45:20 -03004006 break;
4007 }
4008 break;
4009 }
4010 }
4011
4012 switch (state->config->ts1_mode) {
4013 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4014 reg = stv090x_read_reg(state, STV090x_P1_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_P1_TSCFGH, reg) < 0)
4018 goto err;
4019 break;
4020
4021 case STV090x_TSMODE_DVBCI:
4022 reg = stv090x_read_reg(state, STV090x_P1_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_P1_TSCFGH, reg) < 0)
4026 goto err;
4027 break;
4028
4029 case STV090x_TSMODE_SERIAL_PUNCTURED:
4030 reg = stv090x_read_reg(state, STV090x_P1_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_P1_TSCFGH, reg) < 0)
4034 goto err;
4035 break;
4036
4037 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4038 reg = stv090x_read_reg(state, STV090x_P1_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_P1_TSCFGH, reg) < 0)
4042 goto err;
4043 break;
4044
4045 default:
4046 break;
4047 }
4048
4049 switch (state->config->ts2_mode) {
4050 case STV090x_TSMODE_PARALLEL_PUNCTURED:
Andreas Regel64104dc2009-04-16 08:43:41 -03004051 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
Manu Abrahame415c682009-04-06 15:45:20 -03004052 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4053 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
Andreas Regel64104dc2009-04-16 08:43:41 -03004054 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03004055 goto err;
4056 break;
4057
4058 case STV090x_TSMODE_DVBCI:
Andreas Regel64104dc2009-04-16 08:43:41 -03004059 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
Manu Abrahame415c682009-04-06 15:45:20 -03004060 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4061 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
Andreas Regel64104dc2009-04-16 08:43:41 -03004062 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03004063 goto err;
4064 break;
4065
4066 case STV090x_TSMODE_SERIAL_PUNCTURED:
Andreas Regel64104dc2009-04-16 08:43:41 -03004067 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
Manu Abrahame415c682009-04-06 15:45:20 -03004068 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4069 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
Andreas Regel64104dc2009-04-16 08:43:41 -03004070 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03004071 goto err;
4072 break;
4073
4074 case STV090x_TSMODE_SERIAL_CONTINUOUS:
Andreas Regel64104dc2009-04-16 08:43:41 -03004075 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
Manu Abrahame415c682009-04-06 15:45:20 -03004076 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4077 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
Andreas Regel64104dc2009-04-16 08:43:41 -03004078 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
Manu Abrahame415c682009-04-06 15:45:20 -03004079 goto err;
4080 break;
4081
4082 default:
4083 break;
4084 }
4085 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4086 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
4087 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4088 goto err;
4089 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
4090 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4091 goto err;
4092
4093 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4094 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
4095 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4096 goto err;
4097 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
4098 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4099 goto err;
4100
4101 return 0;
4102err:
4103 dprintk(FE_ERROR, 1, "I/O error");
4104 return -1;
4105}
4106
4107static int stv090x_init(struct dvb_frontend *fe)
4108{
4109 struct stv090x_state *state = fe->demodulator_priv;
4110 const struct stv090x_config *config = state->config;
4111 u32 reg;
4112
Andreas Regelcbc320d2009-04-23 14:59:03 -03004113 if (stv090x_wakeup(fe) < 0) {
4114 dprintk(FE_ERROR, 1, "Error waking device");
4115 goto err;
4116 }
4117
Manu Abraham27d40322009-05-02 18:26:58 -03004118 if (stv090x_ldpc_mode(state, state->demod_mode) < 0)
4119 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03004120
4121 reg = STV090x_READ_DEMOD(state, TNRCFG2);
4122 STV090x_SETFIELD_Px(reg, TUN_IQSWAP_FIELD, state->inversion);
4123 if (STV090x_WRITE_DEMOD(state, TNRCFG2, reg) < 0)
4124 goto err;
4125 reg = STV090x_READ_DEMOD(state, DEMOD);
4126 STV090x_SETFIELD_Px(reg, ROLLOFF_CONTROL_FIELD, state->rolloff);
4127 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
4128 goto err;
4129
Manu Abraham27d40322009-05-02 18:26:58 -03004130 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
4131 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03004132
Manu Abraham27d40322009-05-02 18:26:58 -03004133 if (config->tuner_set_mode) {
4134 if (config->tuner_set_mode(fe, TUNER_WAKE) < 0)
4135 goto err;
4136 }
Manu Abrahame415c682009-04-06 15:45:20 -03004137
Manu Abraham27d40322009-05-02 18:26:58 -03004138 if (config->tuner_init) {
4139 if (config->tuner_init(fe) < 0)
4140 goto err;
4141 }
Manu Abrahame415c682009-04-06 15:45:20 -03004142
Manu Abraham27d40322009-05-02 18:26:58 -03004143 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
4144 goto err;
4145
4146 if (stv090x_set_tspath(state) < 0)
4147 goto err;
Manu Abrahame415c682009-04-06 15:45:20 -03004148
4149 return 0;
4150err:
4151 dprintk(FE_ERROR, 1, "I/O error");
4152 return -1;
4153}
4154
4155static int stv090x_setup(struct dvb_frontend *fe)
4156{
4157 struct stv090x_state *state = fe->demodulator_priv;
4158 const struct stv090x_config *config = state->config;
4159 const struct stv090x_reg *stv090x_initval = NULL;
4160 const struct stv090x_reg *stv090x_cut20_val = NULL;
4161 unsigned long t1_size = 0, t2_size = 0;
Manu Abraham017eb0382009-04-07 05:19:54 -03004162 u32 reg = 0;
Manu Abrahame415c682009-04-06 15:45:20 -03004163
4164 int i;
4165
4166 if (state->device == STV0900) {
4167 dprintk(FE_DEBUG, 1, "Initializing STV0900");
4168 stv090x_initval = stv0900_initval;
4169 t1_size = ARRAY_SIZE(stv0900_initval);
4170 stv090x_cut20_val = stv0900_cut20_val;
4171 t2_size = ARRAY_SIZE(stv0900_cut20_val);
4172 } else if (state->device == STV0903) {
4173 dprintk(FE_DEBUG, 1, "Initializing STV0903");
4174 stv090x_initval = stv0903_initval;
4175 t1_size = ARRAY_SIZE(stv0903_initval);
4176 stv090x_cut20_val = stv0903_cut20_val;
4177 t2_size = ARRAY_SIZE(stv0903_cut20_val);
4178 }
4179
4180 /* STV090x init */
4181 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5c) < 0) /* Stop Demod */
4182 goto err;
4183
4184 msleep(5);
4185
4186 if (STV090x_WRITE_DEMOD(state, TNRCFG, 0x6c) < 0) /* check register ! (No Tuner Mode) */
4187 goto err;
4188
Manu Abraham017eb0382009-04-07 05:19:54 -03004189 STV090x_SETFIELD_Px(reg, ENARPT_LEVEL_FIELD, config->repeater_level);
4190 if (STV090x_WRITE_DEMOD(state, I2CRPT, reg) < 0) /* repeater OFF */
Manu Abrahame415c682009-04-06 15:45:20 -03004191 goto err;
4192
4193 if (stv090x_write_reg(state, STV090x_NCOARSE, 0x13) < 0) /* set PLL divider */
4194 goto err;
4195 msleep(5);
4196 if (stv090x_write_reg(state, STV090x_I2CCFG, 0x08) < 0) /* 1/41 oversampling */
4197 goto err;
4198 if (stv090x_write_reg(state, STV090x_SYNTCTRL, 0x20 | config->clk_mode) < 0) /* enable PLL */
4199 goto err;
4200 msleep(5);
4201
4202 /* write initval */
Andreas Regel2f5914b2009-04-23 14:56:41 -03004203 dprintk(FE_DEBUG, 1, "Setting up initial values");
Manu Abrahame415c682009-04-06 15:45:20 -03004204 for (i = 0; i < t1_size; i++) {
Manu Abrahame415c682009-04-06 15:45:20 -03004205 if (stv090x_write_reg(state, stv090x_initval[i].addr, stv090x_initval[i].data) < 0)
4206 goto err;
4207 }
4208
Andreas Regel2f5914b2009-04-23 14:56:41 -03004209 state->dev_ver = stv090x_read_reg(state, STV090x_MID);
Manu Abrahame415c682009-04-06 15:45:20 -03004210 if (state->dev_ver >= 0x20) {
4211 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c) < 0)
4212 goto err;
4213
4214 /* write cut20_val*/
4215 dprintk(FE_DEBUG, 1, "Setting up Cut 2.0 initial values");
4216 for (i = 0; i < t2_size; i++) {
4217 if (stv090x_write_reg(state, stv090x_cut20_val[i].addr, stv090x_cut20_val[i].data) < 0)
4218 goto err;
4219 }
Manu Abraham27d40322009-05-02 18:26:58 -03004220
4221 } else if (state->dev_ver < 0x20) {
4222 dprintk(FE_ERROR, 1, "ERROR: Unsupported Cut: 0x%02x!",
4223 state->dev_ver);
4224
4225 goto err;
4226 } else if (state->dev_ver > 0x30) {
4227 /* we shouldn't bail out from here */
4228 dprintk(FE_ERROR, 1, "INFO: Cut: 0x%02x probably incomplete support!",
4229 state->dev_ver);
Manu Abrahame415c682009-04-06 15:45:20 -03004230 }
4231
4232 if (stv090x_write_reg(state, STV090x_TSTRES0, 0x80) < 0)
4233 goto err;
4234 if (stv090x_write_reg(state, STV090x_TSTRES0, 0x00) < 0)
4235 goto err;
4236
4237 stv090x_set_mclk(state, 135000000, config->xtal); /* 135 Mhz */
4238 msleep(5);
4239 if (stv090x_write_reg(state, STV090x_SYNTCTRL, 0x20 | config->clk_mode) < 0)
4240 goto err;
4241 stv090x_get_mclk(state);
4242
4243 return 0;
4244err:
4245 dprintk(FE_ERROR, 1, "I/O error");
4246 return -1;
4247}
4248
4249static struct dvb_frontend_ops stv090x_ops = {
4250
4251 .info = {
4252 .name = "STV090x Multistandard",
Andreas Regel7fc08bb2009-04-23 15:00:40 -03004253 .type = FE_QPSK,
4254 .frequency_min = 950000,
4255 .frequency_max = 2150000,
4256 .frequency_stepsize = 0,
4257 .frequency_tolerance = 0,
4258 .symbol_rate_min = 1000000,
4259 .symbol_rate_max = 45000000,
4260 .caps = FE_CAN_INVERSION_AUTO |
4261 FE_CAN_FEC_AUTO |
4262 FE_CAN_QPSK |
4263 FE_CAN_2G_MODULATION
Manu Abrahame415c682009-04-06 15:45:20 -03004264 },
4265
4266 .release = stv090x_release,
4267 .init = stv090x_init,
4268
4269 .sleep = stv090x_sleep,
4270 .get_frontend_algo = stv090x_frontend_algo,
4271
4272 .i2c_gate_ctrl = stv090x_i2c_gate_ctrl,
4273
4274 .diseqc_send_master_cmd = stv090x_send_diseqc_msg,
Andreas Regelf9ed95d2009-04-08 17:27:51 -03004275 .diseqc_send_burst = stv090x_send_diseqc_burst,
Manu Abrahame415c682009-04-06 15:45:20 -03004276 .diseqc_recv_slave_reply = stv090x_recv_slave_reply,
4277 .set_tone = stv090x_set_tone,
4278
4279 .search = stv090x_search,
4280 .read_status = stv090x_read_status,
4281 .read_ber = stv090x_read_per,
4282 .read_signal_strength = stv090x_read_signal_strength,
4283 .read_snr = stv090x_read_cnr
4284};
4285
4286
4287struct dvb_frontend *stv090x_attach(const struct stv090x_config *config,
4288 struct i2c_adapter *i2c,
4289 enum stv090x_demodulator demod)
4290{
4291 struct stv090x_state *state = NULL;
4292
4293 state = kzalloc(sizeof (struct stv090x_state), GFP_KERNEL);
4294 if (state == NULL)
4295 goto error;
4296
4297 state->verbose = &verbose;
4298 state->config = config;
4299 state->i2c = i2c;
4300 state->frontend.ops = stv090x_ops;
4301 state->frontend.demodulator_priv = state;
Manu Abraham56571502009-04-07 16:08:26 -03004302 state->demod = demod;
Manu Abrahame415c682009-04-06 15:45:20 -03004303 state->demod_mode = config->demod_mode; /* Single or Dual mode */
4304 state->device = config->device;
Andreas Regel4e58a682009-04-16 08:40:36 -03004305 state->rolloff = STV090x_RO_35; /* default */
Manu Abrahame415c682009-04-06 15:45:20 -03004306
4307 if (state->demod == STV090x_DEMODULATOR_0)
4308 mutex_init(&demod_lock);
4309
4310 if (stv090x_sleep(&state->frontend) < 0) {
4311 dprintk(FE_ERROR, 1, "Error putting device to sleep");
4312 goto error;
4313 }
4314
4315 if (stv090x_setup(&state->frontend) < 0) {
4316 dprintk(FE_ERROR, 1, "Error setting up device");
4317 goto error;
4318 }
4319 if (stv090x_wakeup(&state->frontend) < 0) {
4320 dprintk(FE_ERROR, 1, "Error waking device");
4321 goto error;
4322 }
Manu Abrahame415c682009-04-06 15:45:20 -03004323
4324 dprintk(FE_ERROR, 1, "Attaching %s demodulator(%d) Cut=0x%02x\n",
4325 state->device == STV0900 ? "STV0900" : "STV0903",
4326 demod,
4327 state->dev_ver);
4328
4329 return &state->frontend;
4330
4331error:
4332 kfree(state);
4333 return NULL;
4334}
4335EXPORT_SYMBOL(stv090x_attach);
4336MODULE_PARM_DESC(verbose, "Set Verbosity level");
4337MODULE_AUTHOR("Manu Abraham");
4338MODULE_DESCRIPTION("STV090x Multi-Std Broadcast frontend");
4339MODULE_LICENSE("GPL");