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Merge tag 'xtensa-20150416' of git://github.com/czankel/xtensa-linux
[mirror_ubuntu-artful-kernel.git] / drivers / media / dvb-frontends / stv090x.c
1 /*
2 STV0900/0903 Multistandard Broadcast Frontend driver
3 Copyright (C) Manu Abraham <abraham.manu@gmail.com>
4
5 Copyright (C) ST Microelectronics
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22 #include <linux/init.h>
23 #include <linux/kernel.h>
24 #include <linux/module.h>
25 #include <linux/string.h>
26 #include <linux/slab.h>
27 #include <linux/mutex.h>
28
29 #include <linux/dvb/frontend.h>
30 #include "dvb_frontend.h"
31
32 #include "stv6110x.h" /* for demodulator internal modes */
33
34 #include "stv090x_reg.h"
35 #include "stv090x.h"
36 #include "stv090x_priv.h"
37
38 /* Max transfer size done by I2C transfer functions */
39 #define MAX_XFER_SIZE 64
40
41 static unsigned int verbose;
42 module_param(verbose, int, 0644);
43
44 /* internal params node */
45 struct stv090x_dev {
46 /* pointer for internal params, one for each pair of demods */
47 struct stv090x_internal *internal;
48 struct stv090x_dev *next_dev;
49 };
50
51 /* first internal params */
52 static struct stv090x_dev *stv090x_first_dev;
53
54 /* find chip by i2c adapter and i2c address */
55 static struct stv090x_dev *find_dev(struct i2c_adapter *i2c_adap,
56 u8 i2c_addr)
57 {
58 struct stv090x_dev *temp_dev = stv090x_first_dev;
59
60 /*
61 Search of the last stv0900 chip or
62 find it by i2c adapter and i2c address */
63 while ((temp_dev != NULL) &&
64 ((temp_dev->internal->i2c_adap != i2c_adap) ||
65 (temp_dev->internal->i2c_addr != i2c_addr))) {
66
67 temp_dev = temp_dev->next_dev;
68 }
69
70 return temp_dev;
71 }
72
73 /* deallocating chip */
74 static void remove_dev(struct stv090x_internal *internal)
75 {
76 struct stv090x_dev *prev_dev = stv090x_first_dev;
77 struct stv090x_dev *del_dev = find_dev(internal->i2c_adap,
78 internal->i2c_addr);
79
80 if (del_dev != NULL) {
81 if (del_dev == stv090x_first_dev) {
82 stv090x_first_dev = del_dev->next_dev;
83 } else {
84 while (prev_dev->next_dev != del_dev)
85 prev_dev = prev_dev->next_dev;
86
87 prev_dev->next_dev = del_dev->next_dev;
88 }
89
90 kfree(del_dev);
91 }
92 }
93
94 /* allocating new chip */
95 static struct stv090x_dev *append_internal(struct stv090x_internal *internal)
96 {
97 struct stv090x_dev *new_dev;
98 struct stv090x_dev *temp_dev;
99
100 new_dev = kmalloc(sizeof(struct stv090x_dev), GFP_KERNEL);
101 if (new_dev != NULL) {
102 new_dev->internal = internal;
103 new_dev->next_dev = NULL;
104
105 /* append to list */
106 if (stv090x_first_dev == NULL) {
107 stv090x_first_dev = new_dev;
108 } else {
109 temp_dev = stv090x_first_dev;
110 while (temp_dev->next_dev != NULL)
111 temp_dev = temp_dev->next_dev;
112
113 temp_dev->next_dev = new_dev;
114 }
115 }
116
117 return new_dev;
118 }
119
120
121 /* DVBS1 and DSS C/N Lookup table */
122 static const struct stv090x_tab stv090x_s1cn_tab[] = {
123 { 0, 8917 }, /* 0.0dB */
124 { 5, 8801 }, /* 0.5dB */
125 { 10, 8667 }, /* 1.0dB */
126 { 15, 8522 }, /* 1.5dB */
127 { 20, 8355 }, /* 2.0dB */
128 { 25, 8175 }, /* 2.5dB */
129 { 30, 7979 }, /* 3.0dB */
130 { 35, 7763 }, /* 3.5dB */
131 { 40, 7530 }, /* 4.0dB */
132 { 45, 7282 }, /* 4.5dB */
133 { 50, 7026 }, /* 5.0dB */
134 { 55, 6781 }, /* 5.5dB */
135 { 60, 6514 }, /* 6.0dB */
136 { 65, 6241 }, /* 6.5dB */
137 { 70, 5965 }, /* 7.0dB */
138 { 75, 5690 }, /* 7.5dB */
139 { 80, 5424 }, /* 8.0dB */
140 { 85, 5161 }, /* 8.5dB */
141 { 90, 4902 }, /* 9.0dB */
142 { 95, 4654 }, /* 9.5dB */
143 { 100, 4417 }, /* 10.0dB */
144 { 105, 4186 }, /* 10.5dB */
145 { 110, 3968 }, /* 11.0dB */
146 { 115, 3757 }, /* 11.5dB */
147 { 120, 3558 }, /* 12.0dB */
148 { 125, 3366 }, /* 12.5dB */
149 { 130, 3185 }, /* 13.0dB */
150 { 135, 3012 }, /* 13.5dB */
151 { 140, 2850 }, /* 14.0dB */
152 { 145, 2698 }, /* 14.5dB */
153 { 150, 2550 }, /* 15.0dB */
154 { 160, 2283 }, /* 16.0dB */
155 { 170, 2042 }, /* 17.0dB */
156 { 180, 1827 }, /* 18.0dB */
157 { 190, 1636 }, /* 19.0dB */
158 { 200, 1466 }, /* 20.0dB */
159 { 210, 1315 }, /* 21.0dB */
160 { 220, 1181 }, /* 22.0dB */
161 { 230, 1064 }, /* 23.0dB */
162 { 240, 960 }, /* 24.0dB */
163 { 250, 869 }, /* 25.0dB */
164 { 260, 792 }, /* 26.0dB */
165 { 270, 724 }, /* 27.0dB */
166 { 280, 665 }, /* 28.0dB */
167 { 290, 616 }, /* 29.0dB */
168 { 300, 573 }, /* 30.0dB */
169 { 310, 537 }, /* 31.0dB */
170 { 320, 507 }, /* 32.0dB */
171 { 330, 483 }, /* 33.0dB */
172 { 400, 398 }, /* 40.0dB */
173 { 450, 381 }, /* 45.0dB */
174 { 500, 377 } /* 50.0dB */
175 };
176
177 /* DVBS2 C/N Lookup table */
178 static const struct stv090x_tab stv090x_s2cn_tab[] = {
179 { -30, 13348 }, /* -3.0dB */
180 { -20, 12640 }, /* -2d.0B */
181 { -10, 11883 }, /* -1.0dB */
182 { 0, 11101 }, /* -0.0dB */
183 { 5, 10718 }, /* 0.5dB */
184 { 10, 10339 }, /* 1.0dB */
185 { 15, 9947 }, /* 1.5dB */
186 { 20, 9552 }, /* 2.0dB */
187 { 25, 9183 }, /* 2.5dB */
188 { 30, 8799 }, /* 3.0dB */
189 { 35, 8422 }, /* 3.5dB */
190 { 40, 8062 }, /* 4.0dB */
191 { 45, 7707 }, /* 4.5dB */
192 { 50, 7353 }, /* 5.0dB */
193 { 55, 7025 }, /* 5.5dB */
194 { 60, 6684 }, /* 6.0dB */
195 { 65, 6331 }, /* 6.5dB */
196 { 70, 6036 }, /* 7.0dB */
197 { 75, 5727 }, /* 7.5dB */
198 { 80, 5437 }, /* 8.0dB */
199 { 85, 5164 }, /* 8.5dB */
200 { 90, 4902 }, /* 9.0dB */
201 { 95, 4653 }, /* 9.5dB */
202 { 100, 4408 }, /* 10.0dB */
203 { 105, 4187 }, /* 10.5dB */
204 { 110, 3961 }, /* 11.0dB */
205 { 115, 3751 }, /* 11.5dB */
206 { 120, 3558 }, /* 12.0dB */
207 { 125, 3368 }, /* 12.5dB */
208 { 130, 3191 }, /* 13.0dB */
209 { 135, 3017 }, /* 13.5dB */
210 { 140, 2862 }, /* 14.0dB */
211 { 145, 2710 }, /* 14.5dB */
212 { 150, 2565 }, /* 15.0dB */
213 { 160, 2300 }, /* 16.0dB */
214 { 170, 2058 }, /* 17.0dB */
215 { 180, 1849 }, /* 18.0dB */
216 { 190, 1663 }, /* 19.0dB */
217 { 200, 1495 }, /* 20.0dB */
218 { 210, 1349 }, /* 21.0dB */
219 { 220, 1222 }, /* 22.0dB */
220 { 230, 1110 }, /* 23.0dB */
221 { 240, 1011 }, /* 24.0dB */
222 { 250, 925 }, /* 25.0dB */
223 { 260, 853 }, /* 26.0dB */
224 { 270, 789 }, /* 27.0dB */
225 { 280, 734 }, /* 28.0dB */
226 { 290, 690 }, /* 29.0dB */
227 { 300, 650 }, /* 30.0dB */
228 { 310, 619 }, /* 31.0dB */
229 { 320, 593 }, /* 32.0dB */
230 { 330, 571 }, /* 33.0dB */
231 { 400, 498 }, /* 40.0dB */
232 { 450, 484 }, /* 45.0dB */
233 { 500, 481 } /* 50.0dB */
234 };
235
236 /* RF level C/N lookup table */
237 static const struct stv090x_tab stv090x_rf_tab[] = {
238 { -5, 0xcaa1 }, /* -5dBm */
239 { -10, 0xc229 }, /* -10dBm */
240 { -15, 0xbb08 }, /* -15dBm */
241 { -20, 0xb4bc }, /* -20dBm */
242 { -25, 0xad5a }, /* -25dBm */
243 { -30, 0xa298 }, /* -30dBm */
244 { -35, 0x98a8 }, /* -35dBm */
245 { -40, 0x8389 }, /* -40dBm */
246 { -45, 0x59be }, /* -45dBm */
247 { -50, 0x3a14 }, /* -50dBm */
248 { -55, 0x2d11 }, /* -55dBm */
249 { -60, 0x210d }, /* -60dBm */
250 { -65, 0xa14f }, /* -65dBm */
251 { -70, 0x07aa } /* -70dBm */
252 };
253
254
255 static struct stv090x_reg stv0900_initval[] = {
256
257 { STV090x_OUTCFG, 0x00 },
258 { STV090x_MODECFG, 0xff },
259 { STV090x_AGCRF1CFG, 0x11 },
260 { STV090x_AGCRF2CFG, 0x13 },
261 { STV090x_TSGENERAL1X, 0x14 },
262 { STV090x_TSTTNR2, 0x21 },
263 { STV090x_TSTTNR4, 0x21 },
264 { STV090x_P2_DISTXCTL, 0x22 },
265 { STV090x_P2_F22TX, 0xc0 },
266 { STV090x_P2_F22RX, 0xc0 },
267 { STV090x_P2_DISRXCTL, 0x00 },
268 { STV090x_P2_DMDCFGMD, 0xF9 },
269 { STV090x_P2_DEMOD, 0x08 },
270 { STV090x_P2_DMDCFG3, 0xc4 },
271 { STV090x_P2_CARFREQ, 0xed },
272 { STV090x_P2_LDT, 0xd0 },
273 { STV090x_P2_LDT2, 0xb8 },
274 { STV090x_P2_TMGCFG, 0xd2 },
275 { STV090x_P2_TMGTHRISE, 0x20 },
276 { STV090x_P1_TMGCFG, 0xd2 },
277
278 { STV090x_P2_TMGTHFALL, 0x00 },
279 { STV090x_P2_FECSPY, 0x88 },
280 { STV090x_P2_FSPYDATA, 0x3a },
281 { STV090x_P2_FBERCPT4, 0x00 },
282 { STV090x_P2_FSPYBER, 0x10 },
283 { STV090x_P2_ERRCTRL1, 0x35 },
284 { STV090x_P2_ERRCTRL2, 0xc1 },
285 { STV090x_P2_CFRICFG, 0xf8 },
286 { STV090x_P2_NOSCFG, 0x1c },
287 { STV090x_P2_DMDTOM, 0x20 },
288 { STV090x_P2_CORRELMANT, 0x70 },
289 { STV090x_P2_CORRELABS, 0x88 },
290 { STV090x_P2_AGC2O, 0x5b },
291 { STV090x_P2_AGC2REF, 0x38 },
292 { STV090x_P2_CARCFG, 0xe4 },
293 { STV090x_P2_ACLC, 0x1A },
294 { STV090x_P2_BCLC, 0x09 },
295 { STV090x_P2_CARHDR, 0x08 },
296 { STV090x_P2_KREFTMG, 0xc1 },
297 { STV090x_P2_SFRUPRATIO, 0xf0 },
298 { STV090x_P2_SFRLOWRATIO, 0x70 },
299 { STV090x_P2_SFRSTEP, 0x58 },
300 { STV090x_P2_TMGCFG2, 0x01 },
301 { STV090x_P2_CAR2CFG, 0x26 },
302 { STV090x_P2_BCLC2S2Q, 0x86 },
303 { STV090x_P2_BCLC2S28, 0x86 },
304 { STV090x_P2_SMAPCOEF7, 0x77 },
305 { STV090x_P2_SMAPCOEF6, 0x85 },
306 { STV090x_P2_SMAPCOEF5, 0x77 },
307 { STV090x_P2_TSCFGL, 0x20 },
308 { STV090x_P2_DMDCFG2, 0x3b },
309 { STV090x_P2_MODCODLST0, 0xff },
310 { STV090x_P2_MODCODLST1, 0xff },
311 { STV090x_P2_MODCODLST2, 0xff },
312 { STV090x_P2_MODCODLST3, 0xff },
313 { STV090x_P2_MODCODLST4, 0xff },
314 { STV090x_P2_MODCODLST5, 0xff },
315 { STV090x_P2_MODCODLST6, 0xff },
316 { STV090x_P2_MODCODLST7, 0xcc },
317 { STV090x_P2_MODCODLST8, 0xcc },
318 { STV090x_P2_MODCODLST9, 0xcc },
319 { STV090x_P2_MODCODLSTA, 0xcc },
320 { STV090x_P2_MODCODLSTB, 0xcc },
321 { STV090x_P2_MODCODLSTC, 0xcc },
322 { STV090x_P2_MODCODLSTD, 0xcc },
323 { STV090x_P2_MODCODLSTE, 0xcc },
324 { STV090x_P2_MODCODLSTF, 0xcf },
325 { STV090x_P1_DISTXCTL, 0x22 },
326 { STV090x_P1_F22TX, 0xc0 },
327 { STV090x_P1_F22RX, 0xc0 },
328 { STV090x_P1_DISRXCTL, 0x00 },
329 { STV090x_P1_DMDCFGMD, 0xf9 },
330 { STV090x_P1_DEMOD, 0x08 },
331 { STV090x_P1_DMDCFG3, 0xc4 },
332 { STV090x_P1_DMDTOM, 0x20 },
333 { STV090x_P1_CARFREQ, 0xed },
334 { STV090x_P1_LDT, 0xd0 },
335 { STV090x_P1_LDT2, 0xb8 },
336 { STV090x_P1_TMGCFG, 0xd2 },
337 { STV090x_P1_TMGTHRISE, 0x20 },
338 { STV090x_P1_TMGTHFALL, 0x00 },
339 { STV090x_P1_SFRUPRATIO, 0xf0 },
340 { STV090x_P1_SFRLOWRATIO, 0x70 },
341 { STV090x_P1_TSCFGL, 0x20 },
342 { STV090x_P1_FECSPY, 0x88 },
343 { STV090x_P1_FSPYDATA, 0x3a },
344 { STV090x_P1_FBERCPT4, 0x00 },
345 { STV090x_P1_FSPYBER, 0x10 },
346 { STV090x_P1_ERRCTRL1, 0x35 },
347 { STV090x_P1_ERRCTRL2, 0xc1 },
348 { STV090x_P1_CFRICFG, 0xf8 },
349 { STV090x_P1_NOSCFG, 0x1c },
350 { STV090x_P1_CORRELMANT, 0x70 },
351 { STV090x_P1_CORRELABS, 0x88 },
352 { STV090x_P1_AGC2O, 0x5b },
353 { STV090x_P1_AGC2REF, 0x38 },
354 { STV090x_P1_CARCFG, 0xe4 },
355 { STV090x_P1_ACLC, 0x1A },
356 { STV090x_P1_BCLC, 0x09 },
357 { STV090x_P1_CARHDR, 0x08 },
358 { STV090x_P1_KREFTMG, 0xc1 },
359 { STV090x_P1_SFRSTEP, 0x58 },
360 { STV090x_P1_TMGCFG2, 0x01 },
361 { STV090x_P1_CAR2CFG, 0x26 },
362 { STV090x_P1_BCLC2S2Q, 0x86 },
363 { STV090x_P1_BCLC2S28, 0x86 },
364 { STV090x_P1_SMAPCOEF7, 0x77 },
365 { STV090x_P1_SMAPCOEF6, 0x85 },
366 { STV090x_P1_SMAPCOEF5, 0x77 },
367 { STV090x_P1_DMDCFG2, 0x3b },
368 { STV090x_P1_MODCODLST0, 0xff },
369 { STV090x_P1_MODCODLST1, 0xff },
370 { STV090x_P1_MODCODLST2, 0xff },
371 { STV090x_P1_MODCODLST3, 0xff },
372 { STV090x_P1_MODCODLST4, 0xff },
373 { STV090x_P1_MODCODLST5, 0xff },
374 { STV090x_P1_MODCODLST6, 0xff },
375 { STV090x_P1_MODCODLST7, 0xcc },
376 { STV090x_P1_MODCODLST8, 0xcc },
377 { STV090x_P1_MODCODLST9, 0xcc },
378 { STV090x_P1_MODCODLSTA, 0xcc },
379 { STV090x_P1_MODCODLSTB, 0xcc },
380 { STV090x_P1_MODCODLSTC, 0xcc },
381 { STV090x_P1_MODCODLSTD, 0xcc },
382 { STV090x_P1_MODCODLSTE, 0xcc },
383 { STV090x_P1_MODCODLSTF, 0xcf },
384 { STV090x_GENCFG, 0x1d },
385 { STV090x_NBITER_NF4, 0x37 },
386 { STV090x_NBITER_NF5, 0x29 },
387 { STV090x_NBITER_NF6, 0x37 },
388 { STV090x_NBITER_NF7, 0x33 },
389 { STV090x_NBITER_NF8, 0x31 },
390 { STV090x_NBITER_NF9, 0x2f },
391 { STV090x_NBITER_NF10, 0x39 },
392 { STV090x_NBITER_NF11, 0x3a },
393 { STV090x_NBITER_NF12, 0x29 },
394 { STV090x_NBITER_NF13, 0x37 },
395 { STV090x_NBITER_NF14, 0x33 },
396 { STV090x_NBITER_NF15, 0x2f },
397 { STV090x_NBITER_NF16, 0x39 },
398 { STV090x_NBITER_NF17, 0x3a },
399 { STV090x_NBITERNOERR, 0x04 },
400 { STV090x_GAINLLR_NF4, 0x0C },
401 { STV090x_GAINLLR_NF5, 0x0F },
402 { STV090x_GAINLLR_NF6, 0x11 },
403 { STV090x_GAINLLR_NF7, 0x14 },
404 { STV090x_GAINLLR_NF8, 0x17 },
405 { STV090x_GAINLLR_NF9, 0x19 },
406 { STV090x_GAINLLR_NF10, 0x20 },
407 { STV090x_GAINLLR_NF11, 0x21 },
408 { STV090x_GAINLLR_NF12, 0x0D },
409 { STV090x_GAINLLR_NF13, 0x0F },
410 { STV090x_GAINLLR_NF14, 0x13 },
411 { STV090x_GAINLLR_NF15, 0x1A },
412 { STV090x_GAINLLR_NF16, 0x1F },
413 { STV090x_GAINLLR_NF17, 0x21 },
414 { STV090x_RCCFGH, 0x20 },
415 { STV090x_P1_FECM, 0x01 }, /* disable DSS modes */
416 { STV090x_P2_FECM, 0x01 }, /* disable DSS modes */
417 { STV090x_P1_PRVIT, 0x2F }, /* disable PR 6/7 */
418 { STV090x_P2_PRVIT, 0x2F }, /* disable PR 6/7 */
419 };
420
421 static struct stv090x_reg stv0903_initval[] = {
422 { STV090x_OUTCFG, 0x00 },
423 { STV090x_AGCRF1CFG, 0x11 },
424 { STV090x_STOPCLK1, 0x48 },
425 { STV090x_STOPCLK2, 0x14 },
426 { STV090x_TSTTNR1, 0x27 },
427 { STV090x_TSTTNR2, 0x21 },
428 { STV090x_P1_DISTXCTL, 0x22 },
429 { STV090x_P1_F22TX, 0xc0 },
430 { STV090x_P1_F22RX, 0xc0 },
431 { STV090x_P1_DISRXCTL, 0x00 },
432 { STV090x_P1_DMDCFGMD, 0xF9 },
433 { STV090x_P1_DEMOD, 0x08 },
434 { STV090x_P1_DMDCFG3, 0xc4 },
435 { STV090x_P1_CARFREQ, 0xed },
436 { STV090x_P1_TNRCFG2, 0x82 },
437 { STV090x_P1_LDT, 0xd0 },
438 { STV090x_P1_LDT2, 0xb8 },
439 { STV090x_P1_TMGCFG, 0xd2 },
440 { STV090x_P1_TMGTHRISE, 0x20 },
441 { STV090x_P1_TMGTHFALL, 0x00 },
442 { STV090x_P1_SFRUPRATIO, 0xf0 },
443 { STV090x_P1_SFRLOWRATIO, 0x70 },
444 { STV090x_P1_TSCFGL, 0x20 },
445 { STV090x_P1_FECSPY, 0x88 },
446 { STV090x_P1_FSPYDATA, 0x3a },
447 { STV090x_P1_FBERCPT4, 0x00 },
448 { STV090x_P1_FSPYBER, 0x10 },
449 { STV090x_P1_ERRCTRL1, 0x35 },
450 { STV090x_P1_ERRCTRL2, 0xc1 },
451 { STV090x_P1_CFRICFG, 0xf8 },
452 { STV090x_P1_NOSCFG, 0x1c },
453 { STV090x_P1_DMDTOM, 0x20 },
454 { STV090x_P1_CORRELMANT, 0x70 },
455 { STV090x_P1_CORRELABS, 0x88 },
456 { STV090x_P1_AGC2O, 0x5b },
457 { STV090x_P1_AGC2REF, 0x38 },
458 { STV090x_P1_CARCFG, 0xe4 },
459 { STV090x_P1_ACLC, 0x1A },
460 { STV090x_P1_BCLC, 0x09 },
461 { STV090x_P1_CARHDR, 0x08 },
462 { STV090x_P1_KREFTMG, 0xc1 },
463 { STV090x_P1_SFRSTEP, 0x58 },
464 { STV090x_P1_TMGCFG2, 0x01 },
465 { STV090x_P1_CAR2CFG, 0x26 },
466 { STV090x_P1_BCLC2S2Q, 0x86 },
467 { STV090x_P1_BCLC2S28, 0x86 },
468 { STV090x_P1_SMAPCOEF7, 0x77 },
469 { STV090x_P1_SMAPCOEF6, 0x85 },
470 { STV090x_P1_SMAPCOEF5, 0x77 },
471 { STV090x_P1_DMDCFG2, 0x3b },
472 { STV090x_P1_MODCODLST0, 0xff },
473 { STV090x_P1_MODCODLST1, 0xff },
474 { STV090x_P1_MODCODLST2, 0xff },
475 { STV090x_P1_MODCODLST3, 0xff },
476 { STV090x_P1_MODCODLST4, 0xff },
477 { STV090x_P1_MODCODLST5, 0xff },
478 { STV090x_P1_MODCODLST6, 0xff },
479 { STV090x_P1_MODCODLST7, 0xcc },
480 { STV090x_P1_MODCODLST8, 0xcc },
481 { STV090x_P1_MODCODLST9, 0xcc },
482 { STV090x_P1_MODCODLSTA, 0xcc },
483 { STV090x_P1_MODCODLSTB, 0xcc },
484 { STV090x_P1_MODCODLSTC, 0xcc },
485 { STV090x_P1_MODCODLSTD, 0xcc },
486 { STV090x_P1_MODCODLSTE, 0xcc },
487 { STV090x_P1_MODCODLSTF, 0xcf },
488 { STV090x_GENCFG, 0x1c },
489 { STV090x_NBITER_NF4, 0x37 },
490 { STV090x_NBITER_NF5, 0x29 },
491 { STV090x_NBITER_NF6, 0x37 },
492 { STV090x_NBITER_NF7, 0x33 },
493 { STV090x_NBITER_NF8, 0x31 },
494 { STV090x_NBITER_NF9, 0x2f },
495 { STV090x_NBITER_NF10, 0x39 },
496 { STV090x_NBITER_NF11, 0x3a },
497 { STV090x_NBITER_NF12, 0x29 },
498 { STV090x_NBITER_NF13, 0x37 },
499 { STV090x_NBITER_NF14, 0x33 },
500 { STV090x_NBITER_NF15, 0x2f },
501 { STV090x_NBITER_NF16, 0x39 },
502 { STV090x_NBITER_NF17, 0x3a },
503 { STV090x_NBITERNOERR, 0x04 },
504 { STV090x_GAINLLR_NF4, 0x0C },
505 { STV090x_GAINLLR_NF5, 0x0F },
506 { STV090x_GAINLLR_NF6, 0x11 },
507 { STV090x_GAINLLR_NF7, 0x14 },
508 { STV090x_GAINLLR_NF8, 0x17 },
509 { STV090x_GAINLLR_NF9, 0x19 },
510 { STV090x_GAINLLR_NF10, 0x20 },
511 { STV090x_GAINLLR_NF11, 0x21 },
512 { STV090x_GAINLLR_NF12, 0x0D },
513 { STV090x_GAINLLR_NF13, 0x0F },
514 { STV090x_GAINLLR_NF14, 0x13 },
515 { STV090x_GAINLLR_NF15, 0x1A },
516 { STV090x_GAINLLR_NF16, 0x1F },
517 { STV090x_GAINLLR_NF17, 0x21 },
518 { STV090x_RCCFGH, 0x20 },
519 { STV090x_P1_FECM, 0x01 }, /*disable the DSS mode */
520 { STV090x_P1_PRVIT, 0x2f } /*disable puncture rate 6/7*/
521 };
522
523 static struct stv090x_reg stv0900_cut20_val[] = {
524
525 { STV090x_P2_DMDCFG3, 0xe8 },
526 { STV090x_P2_DMDCFG4, 0x10 },
527 { STV090x_P2_CARFREQ, 0x38 },
528 { STV090x_P2_CARHDR, 0x20 },
529 { STV090x_P2_KREFTMG, 0x5a },
530 { STV090x_P2_SMAPCOEF7, 0x06 },
531 { STV090x_P2_SMAPCOEF6, 0x00 },
532 { STV090x_P2_SMAPCOEF5, 0x04 },
533 { STV090x_P2_NOSCFG, 0x0c },
534 { STV090x_P1_DMDCFG3, 0xe8 },
535 { STV090x_P1_DMDCFG4, 0x10 },
536 { STV090x_P1_CARFREQ, 0x38 },
537 { STV090x_P1_CARHDR, 0x20 },
538 { STV090x_P1_KREFTMG, 0x5a },
539 { STV090x_P1_SMAPCOEF7, 0x06 },
540 { STV090x_P1_SMAPCOEF6, 0x00 },
541 { STV090x_P1_SMAPCOEF5, 0x04 },
542 { STV090x_P1_NOSCFG, 0x0c },
543 { STV090x_GAINLLR_NF4, 0x21 },
544 { STV090x_GAINLLR_NF5, 0x21 },
545 { STV090x_GAINLLR_NF6, 0x20 },
546 { STV090x_GAINLLR_NF7, 0x1F },
547 { STV090x_GAINLLR_NF8, 0x1E },
548 { STV090x_GAINLLR_NF9, 0x1E },
549 { STV090x_GAINLLR_NF10, 0x1D },
550 { STV090x_GAINLLR_NF11, 0x1B },
551 { STV090x_GAINLLR_NF12, 0x20 },
552 { STV090x_GAINLLR_NF13, 0x20 },
553 { STV090x_GAINLLR_NF14, 0x20 },
554 { STV090x_GAINLLR_NF15, 0x20 },
555 { STV090x_GAINLLR_NF16, 0x20 },
556 { STV090x_GAINLLR_NF17, 0x21 },
557 };
558
559 static struct stv090x_reg stv0903_cut20_val[] = {
560 { STV090x_P1_DMDCFG3, 0xe8 },
561 { STV090x_P1_DMDCFG4, 0x10 },
562 { STV090x_P1_CARFREQ, 0x38 },
563 { STV090x_P1_CARHDR, 0x20 },
564 { STV090x_P1_KREFTMG, 0x5a },
565 { STV090x_P1_SMAPCOEF7, 0x06 },
566 { STV090x_P1_SMAPCOEF6, 0x00 },
567 { STV090x_P1_SMAPCOEF5, 0x04 },
568 { STV090x_P1_NOSCFG, 0x0c },
569 { STV090x_GAINLLR_NF4, 0x21 },
570 { STV090x_GAINLLR_NF5, 0x21 },
571 { STV090x_GAINLLR_NF6, 0x20 },
572 { STV090x_GAINLLR_NF7, 0x1F },
573 { STV090x_GAINLLR_NF8, 0x1E },
574 { STV090x_GAINLLR_NF9, 0x1E },
575 { STV090x_GAINLLR_NF10, 0x1D },
576 { STV090x_GAINLLR_NF11, 0x1B },
577 { STV090x_GAINLLR_NF12, 0x20 },
578 { STV090x_GAINLLR_NF13, 0x20 },
579 { STV090x_GAINLLR_NF14, 0x20 },
580 { STV090x_GAINLLR_NF15, 0x20 },
581 { STV090x_GAINLLR_NF16, 0x20 },
582 { STV090x_GAINLLR_NF17, 0x21 }
583 };
584
585 /* Cut 2.0 Long Frame Tracking CR loop */
586 static struct stv090x_long_frame_crloop stv090x_s2_crl_cut20[] = {
587 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
588 { STV090x_QPSK_12, 0x1f, 0x3f, 0x1e, 0x3f, 0x3d, 0x1f, 0x3d, 0x3e, 0x3d, 0x1e },
589 { STV090x_QPSK_35, 0x2f, 0x3f, 0x2e, 0x2f, 0x3d, 0x0f, 0x0e, 0x2e, 0x3d, 0x0e },
590 { STV090x_QPSK_23, 0x2f, 0x3f, 0x2e, 0x2f, 0x0e, 0x0f, 0x0e, 0x1e, 0x3d, 0x3d },
591 { STV090x_QPSK_34, 0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
592 { STV090x_QPSK_45, 0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
593 { STV090x_QPSK_56, 0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
594 { STV090x_QPSK_89, 0x3f, 0x3f, 0x3e, 0x1f, 0x1e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
595 { STV090x_QPSK_910, 0x3f, 0x3f, 0x3e, 0x1f, 0x1e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
596 { STV090x_8PSK_35, 0x3c, 0x3e, 0x1c, 0x2e, 0x0c, 0x1e, 0x2b, 0x2d, 0x1b, 0x1d },
597 { STV090x_8PSK_23, 0x1d, 0x3e, 0x3c, 0x2e, 0x2c, 0x1e, 0x0c, 0x2d, 0x2b, 0x1d },
598 { STV090x_8PSK_34, 0x0e, 0x3e, 0x3d, 0x2e, 0x0d, 0x1e, 0x2c, 0x2d, 0x0c, 0x1d },
599 { STV090x_8PSK_56, 0x2e, 0x3e, 0x1e, 0x2e, 0x2d, 0x1e, 0x3c, 0x2d, 0x2c, 0x1d },
600 { STV090x_8PSK_89, 0x3e, 0x3e, 0x1e, 0x2e, 0x3d, 0x1e, 0x0d, 0x2d, 0x3c, 0x1d },
601 { STV090x_8PSK_910, 0x3e, 0x3e, 0x1e, 0x2e, 0x3d, 0x1e, 0x1d, 0x2d, 0x0d, 0x1d }
602 };
603
604 /* Cut 3.0 Long Frame Tracking CR loop */
605 static struct stv090x_long_frame_crloop stv090x_s2_crl_cut30[] = {
606 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
607 { STV090x_QPSK_12, 0x3c, 0x2c, 0x0c, 0x2c, 0x1b, 0x2c, 0x1b, 0x1c, 0x0b, 0x3b },
608 { STV090x_QPSK_35, 0x0d, 0x0d, 0x0c, 0x0d, 0x1b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
609 { STV090x_QPSK_23, 0x1d, 0x0d, 0x0c, 0x1d, 0x2b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
610 { STV090x_QPSK_34, 0x1d, 0x1d, 0x0c, 0x1d, 0x2b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
611 { STV090x_QPSK_45, 0x2d, 0x1d, 0x1c, 0x1d, 0x2b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
612 { STV090x_QPSK_56, 0x2d, 0x1d, 0x1c, 0x1d, 0x2b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
613 { STV090x_QPSK_89, 0x3d, 0x2d, 0x1c, 0x1d, 0x3b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
614 { STV090x_QPSK_910, 0x3d, 0x2d, 0x1c, 0x1d, 0x3b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
615 { STV090x_8PSK_35, 0x39, 0x29, 0x39, 0x19, 0x19, 0x19, 0x19, 0x19, 0x09, 0x19 },
616 { STV090x_8PSK_23, 0x2a, 0x39, 0x1a, 0x0a, 0x39, 0x0a, 0x29, 0x39, 0x29, 0x0a },
617 { STV090x_8PSK_34, 0x2b, 0x3a, 0x1b, 0x1b, 0x3a, 0x1b, 0x1a, 0x0b, 0x1a, 0x3a },
618 { STV090x_8PSK_56, 0x0c, 0x1b, 0x3b, 0x3b, 0x1b, 0x3b, 0x3a, 0x3b, 0x3a, 0x1b },
619 { STV090x_8PSK_89, 0x0d, 0x3c, 0x2c, 0x2c, 0x2b, 0x0c, 0x0b, 0x3b, 0x0b, 0x1b },
620 { STV090x_8PSK_910, 0x0d, 0x0d, 0x2c, 0x3c, 0x3b, 0x1c, 0x0b, 0x3b, 0x0b, 0x1b }
621 };
622
623 /* Cut 2.0 Long Frame Tracking CR Loop */
624 static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut20[] = {
625 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
626 { STV090x_16APSK_23, 0x0c, 0x0c, 0x0c, 0x0c, 0x1d, 0x0c, 0x3c, 0x0c, 0x2c, 0x0c },
627 { STV090x_16APSK_34, 0x0c, 0x0c, 0x0c, 0x0c, 0x0e, 0x0c, 0x2d, 0x0c, 0x1d, 0x0c },
628 { STV090x_16APSK_45, 0x0c, 0x0c, 0x0c, 0x0c, 0x1e, 0x0c, 0x3d, 0x0c, 0x2d, 0x0c },
629 { STV090x_16APSK_56, 0x0c, 0x0c, 0x0c, 0x0c, 0x1e, 0x0c, 0x3d, 0x0c, 0x2d, 0x0c },
630 { STV090x_16APSK_89, 0x0c, 0x0c, 0x0c, 0x0c, 0x2e, 0x0c, 0x0e, 0x0c, 0x3d, 0x0c },
631 { STV090x_16APSK_910, 0x0c, 0x0c, 0x0c, 0x0c, 0x2e, 0x0c, 0x0e, 0x0c, 0x3d, 0x0c },
632 { STV090x_32APSK_34, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
633 { STV090x_32APSK_45, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
634 { STV090x_32APSK_56, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
635 { STV090x_32APSK_89, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
636 { STV090x_32APSK_910, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c }
637 };
638
639 /* Cut 3.0 Long Frame Tracking CR Loop */
640 static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut30[] = {
641 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
642 { STV090x_16APSK_23, 0x0a, 0x0a, 0x0a, 0x0a, 0x1a, 0x0a, 0x3a, 0x0a, 0x2a, 0x0a },
643 { STV090x_16APSK_34, 0x0a, 0x0a, 0x0a, 0x0a, 0x0b, 0x0a, 0x3b, 0x0a, 0x1b, 0x0a },
644 { STV090x_16APSK_45, 0x0a, 0x0a, 0x0a, 0x0a, 0x1b, 0x0a, 0x3b, 0x0a, 0x2b, 0x0a },
645 { STV090x_16APSK_56, 0x0a, 0x0a, 0x0a, 0x0a, 0x1b, 0x0a, 0x3b, 0x0a, 0x2b, 0x0a },
646 { STV090x_16APSK_89, 0x0a, 0x0a, 0x0a, 0x0a, 0x2b, 0x0a, 0x0c, 0x0a, 0x3b, 0x0a },
647 { STV090x_16APSK_910, 0x0a, 0x0a, 0x0a, 0x0a, 0x2b, 0x0a, 0x0c, 0x0a, 0x3b, 0x0a },
648 { STV090x_32APSK_34, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
649 { STV090x_32APSK_45, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
650 { STV090x_32APSK_56, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
651 { STV090x_32APSK_89, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
652 { STV090x_32APSK_910, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a }
653 };
654
655 static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut20[] = {
656 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
657 { STV090x_QPSK_14, 0x0f, 0x3f, 0x0e, 0x3f, 0x2d, 0x2f, 0x2d, 0x1f, 0x3d, 0x3e },
658 { STV090x_QPSK_13, 0x0f, 0x3f, 0x0e, 0x3f, 0x2d, 0x2f, 0x3d, 0x0f, 0x3d, 0x2e },
659 { STV090x_QPSK_25, 0x1f, 0x3f, 0x1e, 0x3f, 0x3d, 0x1f, 0x3d, 0x3e, 0x3d, 0x2e }
660 };
661
662 static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut30[] = {
663 /* MODCOD 2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
664 { STV090x_QPSK_14, 0x0c, 0x3c, 0x0b, 0x3c, 0x2a, 0x2c, 0x2a, 0x1c, 0x3a, 0x3b },
665 { STV090x_QPSK_13, 0x0c, 0x3c, 0x0b, 0x3c, 0x2a, 0x2c, 0x3a, 0x0c, 0x3a, 0x2b },
666 { STV090x_QPSK_25, 0x1c, 0x3c, 0x1b, 0x3c, 0x3a, 0x1c, 0x3a, 0x3b, 0x3a, 0x2b }
667 };
668
669 /* Cut 2.0 Short Frame Tracking CR Loop */
670 static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut20[] = {
671 /* MODCOD 2M 5M 10M 20M 30M */
672 { STV090x_QPSK, 0x2f, 0x2e, 0x0e, 0x0e, 0x3d },
673 { STV090x_8PSK, 0x3e, 0x0e, 0x2d, 0x0d, 0x3c },
674 { STV090x_16APSK, 0x1e, 0x1e, 0x1e, 0x3d, 0x2d },
675 { STV090x_32APSK, 0x1e, 0x1e, 0x1e, 0x3d, 0x2d }
676 };
677
678 /* Cut 3.0 Short Frame Tracking CR Loop */
679 static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut30[] = {
680 /* MODCOD 2M 5M 10M 20M 30M */
681 { STV090x_QPSK, 0x2C, 0x2B, 0x0B, 0x0B, 0x3A },
682 { STV090x_8PSK, 0x3B, 0x0B, 0x2A, 0x0A, 0x39 },
683 { STV090x_16APSK, 0x1B, 0x1B, 0x1B, 0x3A, 0x2A },
684 { STV090x_32APSK, 0x1B, 0x1B, 0x1B, 0x3A, 0x2A }
685 };
686
687 static inline s32 comp2(s32 __x, s32 __width)
688 {
689 if (__width == 32)
690 return __x;
691 else
692 return (__x >= (1 << (__width - 1))) ? (__x - (1 << __width)) : __x;
693 }
694
695 static int stv090x_read_reg(struct stv090x_state *state, unsigned int reg)
696 {
697 const struct stv090x_config *config = state->config;
698 int ret;
699
700 u8 b0[] = { reg >> 8, reg & 0xff };
701 u8 buf;
702
703 struct i2c_msg msg[] = {
704 { .addr = config->address, .flags = 0, .buf = b0, .len = 2 },
705 { .addr = config->address, .flags = I2C_M_RD, .buf = &buf, .len = 1 }
706 };
707
708 ret = i2c_transfer(state->i2c, msg, 2);
709 if (ret != 2) {
710 if (ret != -ERESTARTSYS)
711 dprintk(FE_ERROR, 1,
712 "Read error, Reg=[0x%02x], Status=%d",
713 reg, ret);
714
715 return ret < 0 ? ret : -EREMOTEIO;
716 }
717 if (unlikely(*state->verbose >= FE_DEBUGREG))
718 dprintk(FE_ERROR, 1, "Reg=[0x%02x], data=%02x",
719 reg, buf);
720
721 return (unsigned int) buf;
722 }
723
724 static int stv090x_write_regs(struct stv090x_state *state, unsigned int reg, u8 *data, u32 count)
725 {
726 const struct stv090x_config *config = state->config;
727 int ret;
728 u8 buf[MAX_XFER_SIZE];
729 struct i2c_msg i2c_msg = { .addr = config->address, .flags = 0, .buf = buf, .len = 2 + count };
730
731 if (2 + count > sizeof(buf)) {
732 printk(KERN_WARNING
733 "%s: i2c wr reg=%04x: len=%d is too big!\n",
734 KBUILD_MODNAME, reg, count);
735 return -EINVAL;
736 }
737
738 buf[0] = reg >> 8;
739 buf[1] = reg & 0xff;
740 memcpy(&buf[2], data, count);
741
742 if (unlikely(*state->verbose >= FE_DEBUGREG)) {
743 int i;
744
745 printk(KERN_DEBUG "%s [0x%04x]:", __func__, reg);
746 for (i = 0; i < count; i++)
747 printk(" %02x", data[i]);
748 printk("\n");
749 }
750
751 ret = i2c_transfer(state->i2c, &i2c_msg, 1);
752 if (ret != 1) {
753 if (ret != -ERESTARTSYS)
754 dprintk(FE_ERROR, 1, "Reg=[0x%04x], Data=[0x%02x ...], Count=%u, Status=%d",
755 reg, data[0], count, ret);
756 return ret < 0 ? ret : -EREMOTEIO;
757 }
758
759 return 0;
760 }
761
762 static int stv090x_write_reg(struct stv090x_state *state, unsigned int reg, u8 data)
763 {
764 return stv090x_write_regs(state, reg, &data, 1);
765 }
766
767 static int stv090x_i2c_gate_ctrl(struct stv090x_state *state, int enable)
768 {
769 u32 reg;
770
771 /*
772 * NOTE! A lock is used as a FSM to control the state in which
773 * access is serialized between two tuners on the same demod.
774 * This has nothing to do with a lock to protect a critical section
775 * which may in some other cases be confused with protecting I/O
776 * access to the demodulator gate.
777 * In case of any error, the lock is unlocked and exit within the
778 * relevant operations themselves.
779 */
780 if (enable) {
781 if (state->config->tuner_i2c_lock)
782 state->config->tuner_i2c_lock(&state->frontend, 1);
783 else
784 mutex_lock(&state->internal->tuner_lock);
785 }
786
787 reg = STV090x_READ_DEMOD(state, I2CRPT);
788 if (enable) {
789 dprintk(FE_DEBUG, 1, "Enable Gate");
790 STV090x_SETFIELD_Px(reg, I2CT_ON_FIELD, 1);
791 if (STV090x_WRITE_DEMOD(state, I2CRPT, reg) < 0)
792 goto err;
793
794 } else {
795 dprintk(FE_DEBUG, 1, "Disable Gate");
796 STV090x_SETFIELD_Px(reg, I2CT_ON_FIELD, 0);
797 if ((STV090x_WRITE_DEMOD(state, I2CRPT, reg)) < 0)
798 goto err;
799 }
800
801 if (!enable) {
802 if (state->config->tuner_i2c_lock)
803 state->config->tuner_i2c_lock(&state->frontend, 0);
804 else
805 mutex_unlock(&state->internal->tuner_lock);
806 }
807
808 return 0;
809 err:
810 dprintk(FE_ERROR, 1, "I/O error");
811 if (state->config->tuner_i2c_lock)
812 state->config->tuner_i2c_lock(&state->frontend, 0);
813 else
814 mutex_unlock(&state->internal->tuner_lock);
815 return -1;
816 }
817
818 static void stv090x_get_lock_tmg(struct stv090x_state *state)
819 {
820 switch (state->algo) {
821 case STV090x_BLIND_SEARCH:
822 dprintk(FE_DEBUG, 1, "Blind Search");
823 if (state->srate <= 1500000) { /*10Msps< SR <=15Msps*/
824 state->DemodTimeout = 1500;
825 state->FecTimeout = 400;
826 } else if (state->srate <= 5000000) { /*10Msps< SR <=15Msps*/
827 state->DemodTimeout = 1000;
828 state->FecTimeout = 300;
829 } else { /*SR >20Msps*/
830 state->DemodTimeout = 700;
831 state->FecTimeout = 100;
832 }
833 break;
834
835 case STV090x_COLD_SEARCH:
836 case STV090x_WARM_SEARCH:
837 default:
838 dprintk(FE_DEBUG, 1, "Normal Search");
839 if (state->srate <= 1000000) { /*SR <=1Msps*/
840 state->DemodTimeout = 4500;
841 state->FecTimeout = 1700;
842 } else if (state->srate <= 2000000) { /*1Msps < SR <= 2Msps */
843 state->DemodTimeout = 2500;
844 state->FecTimeout = 1100;
845 } else if (state->srate <= 5000000) { /*2Msps < SR <= 5Msps */
846 state->DemodTimeout = 1000;
847 state->FecTimeout = 550;
848 } else if (state->srate <= 10000000) { /*5Msps < SR <= 10Msps */
849 state->DemodTimeout = 700;
850 state->FecTimeout = 250;
851 } else if (state->srate <= 20000000) { /*10Msps < SR <= 20Msps */
852 state->DemodTimeout = 400;
853 state->FecTimeout = 130;
854 } else { /*SR >20Msps*/
855 state->DemodTimeout = 300;
856 state->FecTimeout = 100;
857 }
858 break;
859 }
860
861 if (state->algo == STV090x_WARM_SEARCH)
862 state->DemodTimeout /= 2;
863 }
864
865 static int stv090x_set_srate(struct stv090x_state *state, u32 srate)
866 {
867 u32 sym;
868
869 if (srate > 60000000) {
870 sym = (srate << 4); /* SR * 2^16 / master_clk */
871 sym /= (state->internal->mclk >> 12);
872 } else if (srate > 6000000) {
873 sym = (srate << 6);
874 sym /= (state->internal->mclk >> 10);
875 } else {
876 sym = (srate << 9);
877 sym /= (state->internal->mclk >> 7);
878 }
879
880 if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0x7f) < 0) /* MSB */
881 goto err;
882 if (STV090x_WRITE_DEMOD(state, SFRINIT0, (sym & 0xff)) < 0) /* LSB */
883 goto err;
884
885 return 0;
886 err:
887 dprintk(FE_ERROR, 1, "I/O error");
888 return -1;
889 }
890
891 static int stv090x_set_max_srate(struct stv090x_state *state, u32 clk, u32 srate)
892 {
893 u32 sym;
894
895 srate = 105 * (srate / 100);
896 if (srate > 60000000) {
897 sym = (srate << 4); /* SR * 2^16 / master_clk */
898 sym /= (state->internal->mclk >> 12);
899 } else if (srate > 6000000) {
900 sym = (srate << 6);
901 sym /= (state->internal->mclk >> 10);
902 } else {
903 sym = (srate << 9);
904 sym /= (state->internal->mclk >> 7);
905 }
906
907 if (sym < 0x7fff) {
908 if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0) /* MSB */
909 goto err;
910 if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0) /* LSB */
911 goto err;
912 } else {
913 if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x7f) < 0) /* MSB */
914 goto err;
915 if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xff) < 0) /* LSB */
916 goto err;
917 }
918
919 return 0;
920 err:
921 dprintk(FE_ERROR, 1, "I/O error");
922 return -1;
923 }
924
925 static int stv090x_set_min_srate(struct stv090x_state *state, u32 clk, u32 srate)
926 {
927 u32 sym;
928
929 srate = 95 * (srate / 100);
930 if (srate > 60000000) {
931 sym = (srate << 4); /* SR * 2^16 / master_clk */
932 sym /= (state->internal->mclk >> 12);
933 } else if (srate > 6000000) {
934 sym = (srate << 6);
935 sym /= (state->internal->mclk >> 10);
936 } else {
937 sym = (srate << 9);
938 sym /= (state->internal->mclk >> 7);
939 }
940
941 if (STV090x_WRITE_DEMOD(state, SFRLOW1, ((sym >> 8) & 0x7f)) < 0) /* MSB */
942 goto err;
943 if (STV090x_WRITE_DEMOD(state, SFRLOW0, (sym & 0xff)) < 0) /* LSB */
944 goto err;
945 return 0;
946 err:
947 dprintk(FE_ERROR, 1, "I/O error");
948 return -1;
949 }
950
951 static u32 stv090x_car_width(u32 srate, enum stv090x_rolloff rolloff)
952 {
953 u32 ro;
954
955 switch (rolloff) {
956 case STV090x_RO_20:
957 ro = 20;
958 break;
959 case STV090x_RO_25:
960 ro = 25;
961 break;
962 case STV090x_RO_35:
963 default:
964 ro = 35;
965 break;
966 }
967
968 return srate + (srate * ro) / 100;
969 }
970
971 static int stv090x_set_vit_thacq(struct stv090x_state *state)
972 {
973 if (STV090x_WRITE_DEMOD(state, VTH12, 0x96) < 0)
974 goto err;
975 if (STV090x_WRITE_DEMOD(state, VTH23, 0x64) < 0)
976 goto err;
977 if (STV090x_WRITE_DEMOD(state, VTH34, 0x36) < 0)
978 goto err;
979 if (STV090x_WRITE_DEMOD(state, VTH56, 0x23) < 0)
980 goto err;
981 if (STV090x_WRITE_DEMOD(state, VTH67, 0x1e) < 0)
982 goto err;
983 if (STV090x_WRITE_DEMOD(state, VTH78, 0x19) < 0)
984 goto err;
985 return 0;
986 err:
987 dprintk(FE_ERROR, 1, "I/O error");
988 return -1;
989 }
990
991 static int stv090x_set_vit_thtracq(struct stv090x_state *state)
992 {
993 if (STV090x_WRITE_DEMOD(state, VTH12, 0xd0) < 0)
994 goto err;
995 if (STV090x_WRITE_DEMOD(state, VTH23, 0x7d) < 0)
996 goto err;
997 if (STV090x_WRITE_DEMOD(state, VTH34, 0x53) < 0)
998 goto err;
999 if (STV090x_WRITE_DEMOD(state, VTH56, 0x2f) < 0)
1000 goto err;
1001 if (STV090x_WRITE_DEMOD(state, VTH67, 0x24) < 0)
1002 goto err;
1003 if (STV090x_WRITE_DEMOD(state, VTH78, 0x1f) < 0)
1004 goto err;
1005 return 0;
1006 err:
1007 dprintk(FE_ERROR, 1, "I/O error");
1008 return -1;
1009 }
1010
1011 static int stv090x_set_viterbi(struct stv090x_state *state)
1012 {
1013 switch (state->search_mode) {
1014 case STV090x_SEARCH_AUTO:
1015 if (STV090x_WRITE_DEMOD(state, FECM, 0x10) < 0) /* DVB-S and DVB-S2 */
1016 goto err;
1017 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x3f) < 0) /* all puncture rate */
1018 goto err;
1019 break;
1020 case STV090x_SEARCH_DVBS1:
1021 if (STV090x_WRITE_DEMOD(state, FECM, 0x00) < 0) /* disable DSS */
1022 goto err;
1023 switch (state->fec) {
1024 case STV090x_PR12:
1025 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x01) < 0)
1026 goto err;
1027 break;
1028
1029 case STV090x_PR23:
1030 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x02) < 0)
1031 goto err;
1032 break;
1033
1034 case STV090x_PR34:
1035 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x04) < 0)
1036 goto err;
1037 break;
1038
1039 case STV090x_PR56:
1040 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x08) < 0)
1041 goto err;
1042 break;
1043
1044 case STV090x_PR78:
1045 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x20) < 0)
1046 goto err;
1047 break;
1048
1049 default:
1050 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x2f) < 0) /* all */
1051 goto err;
1052 break;
1053 }
1054 break;
1055 case STV090x_SEARCH_DSS:
1056 if (STV090x_WRITE_DEMOD(state, FECM, 0x80) < 0)
1057 goto err;
1058 switch (state->fec) {
1059 case STV090x_PR12:
1060 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x01) < 0)
1061 goto err;
1062 break;
1063
1064 case STV090x_PR23:
1065 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x02) < 0)
1066 goto err;
1067 break;
1068
1069 case STV090x_PR67:
1070 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x10) < 0)
1071 goto err;
1072 break;
1073
1074 default:
1075 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x13) < 0) /* 1/2, 2/3, 6/7 */
1076 goto err;
1077 break;
1078 }
1079 break;
1080 default:
1081 break;
1082 }
1083 return 0;
1084 err:
1085 dprintk(FE_ERROR, 1, "I/O error");
1086 return -1;
1087 }
1088
1089 static int stv090x_stop_modcod(struct stv090x_state *state)
1090 {
1091 if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
1092 goto err;
1093 if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xff) < 0)
1094 goto err;
1095 if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xff) < 0)
1096 goto err;
1097 if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xff) < 0)
1098 goto err;
1099 if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xff) < 0)
1100 goto err;
1101 if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xff) < 0)
1102 goto err;
1103 if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xff) < 0)
1104 goto err;
1105 if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xff) < 0)
1106 goto err;
1107 if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xff) < 0)
1108 goto err;
1109 if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xff) < 0)
1110 goto err;
1111 if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xff) < 0)
1112 goto err;
1113 if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xff) < 0)
1114 goto err;
1115 if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xff) < 0)
1116 goto err;
1117 if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xff) < 0)
1118 goto err;
1119 if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xff) < 0)
1120 goto err;
1121 if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xff) < 0)
1122 goto err;
1123 return 0;
1124 err:
1125 dprintk(FE_ERROR, 1, "I/O error");
1126 return -1;
1127 }
1128
1129 static int stv090x_activate_modcod(struct stv090x_state *state)
1130 {
1131 if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
1132 goto err;
1133 if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xfc) < 0)
1134 goto err;
1135 if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xcc) < 0)
1136 goto err;
1137 if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xcc) < 0)
1138 goto err;
1139 if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xcc) < 0)
1140 goto err;
1141 if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xcc) < 0)
1142 goto err;
1143 if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xcc) < 0)
1144 goto err;
1145 if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xcc) < 0)
1146 goto err;
1147 if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xcc) < 0)
1148 goto err;
1149 if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xcc) < 0)
1150 goto err;
1151 if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xcc) < 0)
1152 goto err;
1153 if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xcc) < 0)
1154 goto err;
1155 if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xcc) < 0)
1156 goto err;
1157 if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xcc) < 0)
1158 goto err;
1159 if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xcc) < 0)
1160 goto err;
1161 if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xcf) < 0)
1162 goto err;
1163
1164 return 0;
1165 err:
1166 dprintk(FE_ERROR, 1, "I/O error");
1167 return -1;
1168 }
1169
1170 static int stv090x_activate_modcod_single(struct stv090x_state *state)
1171 {
1172
1173 if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
1174 goto err;
1175 if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xf0) < 0)
1176 goto err;
1177 if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0x00) < 0)
1178 goto err;
1179 if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0x00) < 0)
1180 goto err;
1181 if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0x00) < 0)
1182 goto err;
1183 if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0x00) < 0)
1184 goto err;
1185 if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0x00) < 0)
1186 goto err;
1187 if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0x00) < 0)
1188 goto err;
1189 if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0x00) < 0)
1190 goto err;
1191 if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0x00) < 0)
1192 goto err;
1193 if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0x00) < 0)
1194 goto err;
1195 if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0x00) < 0)
1196 goto err;
1197 if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0x00) < 0)
1198 goto err;
1199 if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0x00) < 0)
1200 goto err;
1201 if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0x00) < 0)
1202 goto err;
1203 if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0x0f) < 0)
1204 goto err;
1205
1206 return 0;
1207
1208 err:
1209 dprintk(FE_ERROR, 1, "I/O error");
1210 return -1;
1211 }
1212
1213 static int stv090x_vitclk_ctl(struct stv090x_state *state, int enable)
1214 {
1215 u32 reg;
1216
1217 switch (state->demod) {
1218 case STV090x_DEMODULATOR_0:
1219 mutex_lock(&state->internal->demod_lock);
1220 reg = stv090x_read_reg(state, STV090x_STOPCLK2);
1221 STV090x_SETFIELD(reg, STOP_CLKVIT1_FIELD, enable);
1222 if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
1223 goto err;
1224 mutex_unlock(&state->internal->demod_lock);
1225 break;
1226
1227 case STV090x_DEMODULATOR_1:
1228 mutex_lock(&state->internal->demod_lock);
1229 reg = stv090x_read_reg(state, STV090x_STOPCLK2);
1230 STV090x_SETFIELD(reg, STOP_CLKVIT2_FIELD, enable);
1231 if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
1232 goto err;
1233 mutex_unlock(&state->internal->demod_lock);
1234 break;
1235
1236 default:
1237 dprintk(FE_ERROR, 1, "Wrong demodulator!");
1238 break;
1239 }
1240 return 0;
1241 err:
1242 mutex_unlock(&state->internal->demod_lock);
1243 dprintk(FE_ERROR, 1, "I/O error");
1244 return -1;
1245 }
1246
1247 static int stv090x_dvbs_track_crl(struct stv090x_state *state)
1248 {
1249 if (state->internal->dev_ver >= 0x30) {
1250 /* Set ACLC BCLC optimised value vs SR */
1251 if (state->srate >= 15000000) {
1252 if (STV090x_WRITE_DEMOD(state, ACLC, 0x2b) < 0)
1253 goto err;
1254 if (STV090x_WRITE_DEMOD(state, BCLC, 0x1a) < 0)
1255 goto err;
1256 } else if ((state->srate >= 7000000) && (15000000 > state->srate)) {
1257 if (STV090x_WRITE_DEMOD(state, ACLC, 0x0c) < 0)
1258 goto err;
1259 if (STV090x_WRITE_DEMOD(state, BCLC, 0x1b) < 0)
1260 goto err;
1261 } else if (state->srate < 7000000) {
1262 if (STV090x_WRITE_DEMOD(state, ACLC, 0x2c) < 0)
1263 goto err;
1264 if (STV090x_WRITE_DEMOD(state, BCLC, 0x1c) < 0)
1265 goto err;
1266 }
1267
1268 } else {
1269 /* Cut 2.0 */
1270 if (STV090x_WRITE_DEMOD(state, ACLC, 0x1a) < 0)
1271 goto err;
1272 if (STV090x_WRITE_DEMOD(state, BCLC, 0x09) < 0)
1273 goto err;
1274 }
1275 return 0;
1276 err:
1277 dprintk(FE_ERROR, 1, "I/O error");
1278 return -1;
1279 }
1280
1281 static int stv090x_delivery_search(struct stv090x_state *state)
1282 {
1283 u32 reg;
1284
1285 switch (state->search_mode) {
1286 case STV090x_SEARCH_DVBS1:
1287 case STV090x_SEARCH_DSS:
1288 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1289 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
1290 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
1291 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1292 goto err;
1293
1294 /* Activate Viterbi decoder in legacy search,
1295 * do not use FRESVIT1, might impact VITERBI2
1296 */
1297 if (stv090x_vitclk_ctl(state, 0) < 0)
1298 goto err;
1299
1300 if (stv090x_dvbs_track_crl(state) < 0)
1301 goto err;
1302
1303 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x22) < 0) /* disable DVB-S2 */
1304 goto err;
1305
1306 if (stv090x_set_vit_thacq(state) < 0)
1307 goto err;
1308 if (stv090x_set_viterbi(state) < 0)
1309 goto err;
1310 break;
1311
1312 case STV090x_SEARCH_DVBS2:
1313 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1314 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
1315 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
1316 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1317 goto err;
1318 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
1319 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
1320 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1321 goto err;
1322
1323 if (stv090x_vitclk_ctl(state, 1) < 0)
1324 goto err;
1325
1326 if (STV090x_WRITE_DEMOD(state, ACLC, 0x1a) < 0) /* stop DVB-S CR loop */
1327 goto err;
1328 if (STV090x_WRITE_DEMOD(state, BCLC, 0x09) < 0)
1329 goto err;
1330
1331 if (state->internal->dev_ver <= 0x20) {
1332 /* enable S2 carrier loop */
1333 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x26) < 0)
1334 goto err;
1335 } else {
1336 /* > Cut 3: Stop carrier 3 */
1337 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x66) < 0)
1338 goto err;
1339 }
1340
1341 if (state->demod_mode != STV090x_SINGLE) {
1342 /* Cut 2: enable link during search */
1343 if (stv090x_activate_modcod(state) < 0)
1344 goto err;
1345 } else {
1346 /* Single demodulator
1347 * Authorize SHORT and LONG frames,
1348 * QPSK, 8PSK, 16APSK and 32APSK
1349 */
1350 if (stv090x_activate_modcod_single(state) < 0)
1351 goto err;
1352 }
1353
1354 if (stv090x_set_vit_thtracq(state) < 0)
1355 goto err;
1356 break;
1357
1358 case STV090x_SEARCH_AUTO:
1359 default:
1360 /* enable DVB-S2 and DVB-S2 in Auto MODE */
1361 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1362 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
1363 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
1364 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1365 goto err;
1366 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
1367 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
1368 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1369 goto err;
1370
1371 if (stv090x_vitclk_ctl(state, 0) < 0)
1372 goto err;
1373
1374 if (stv090x_dvbs_track_crl(state) < 0)
1375 goto err;
1376
1377 if (state->internal->dev_ver <= 0x20) {
1378 /* enable S2 carrier loop */
1379 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x26) < 0)
1380 goto err;
1381 } else {
1382 /* > Cut 3: Stop carrier 3 */
1383 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x66) < 0)
1384 goto err;
1385 }
1386
1387 if (state->demod_mode != STV090x_SINGLE) {
1388 /* Cut 2: enable link during search */
1389 if (stv090x_activate_modcod(state) < 0)
1390 goto err;
1391 } else {
1392 /* Single demodulator
1393 * Authorize SHORT and LONG frames,
1394 * QPSK, 8PSK, 16APSK and 32APSK
1395 */
1396 if (stv090x_activate_modcod_single(state) < 0)
1397 goto err;
1398 }
1399
1400 if (stv090x_set_vit_thacq(state) < 0)
1401 goto err;
1402
1403 if (stv090x_set_viterbi(state) < 0)
1404 goto err;
1405 break;
1406 }
1407 return 0;
1408 err:
1409 dprintk(FE_ERROR, 1, "I/O error");
1410 return -1;
1411 }
1412
1413 static int stv090x_start_search(struct stv090x_state *state)
1414 {
1415 u32 reg, freq_abs;
1416 s16 freq;
1417
1418 /* Reset demodulator */
1419 reg = STV090x_READ_DEMOD(state, DMDISTATE);
1420 STV090x_SETFIELD_Px(reg, I2C_DEMOD_MODE_FIELD, 0x1f);
1421 if (STV090x_WRITE_DEMOD(state, DMDISTATE, reg) < 0)
1422 goto err;
1423
1424 if (state->internal->dev_ver <= 0x20) {
1425 if (state->srate <= 5000000) {
1426 if (STV090x_WRITE_DEMOD(state, CARCFG, 0x44) < 0)
1427 goto err;
1428 if (STV090x_WRITE_DEMOD(state, CFRUP1, 0x0f) < 0)
1429 goto err;
1430 if (STV090x_WRITE_DEMOD(state, CFRUP0, 0xff) < 0)
1431 goto err;
1432 if (STV090x_WRITE_DEMOD(state, CFRLOW1, 0xf0) < 0)
1433 goto err;
1434 if (STV090x_WRITE_DEMOD(state, CFRLOW0, 0x00) < 0)
1435 goto err;
1436
1437 /*enlarge the timing bandwidth for Low SR*/
1438 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x68) < 0)
1439 goto err;
1440 } else {
1441 /* If the symbol rate is >5 Msps
1442 Set The carrier search up and low to auto mode */
1443 if (STV090x_WRITE_DEMOD(state, CARCFG, 0xc4) < 0)
1444 goto err;
1445 /*reduce the timing bandwidth for high SR*/
1446 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x44) < 0)
1447 goto err;
1448 }
1449 } else {
1450 /* >= Cut 3 */
1451 if (state->srate <= 5000000) {
1452 /* enlarge the timing bandwidth for Low SR */
1453 STV090x_WRITE_DEMOD(state, RTCS2, 0x68);
1454 } else {
1455 /* reduce timing bandwidth for high SR */
1456 STV090x_WRITE_DEMOD(state, RTCS2, 0x44);
1457 }
1458
1459 /* Set CFR min and max to manual mode */
1460 STV090x_WRITE_DEMOD(state, CARCFG, 0x46);
1461
1462 if (state->algo == STV090x_WARM_SEARCH) {
1463 /* WARM Start
1464 * CFR min = -1MHz,
1465 * CFR max = +1MHz
1466 */
1467 freq_abs = 1000 << 16;
1468 freq_abs /= (state->internal->mclk / 1000);
1469 freq = (s16) freq_abs;
1470 } else {
1471 /* COLD Start
1472 * CFR min =- (SearchRange / 2 + 600KHz)
1473 * CFR max = +(SearchRange / 2 + 600KHz)
1474 * (600KHz for the tuner step size)
1475 */
1476 freq_abs = (state->search_range / 2000) + 600;
1477 freq_abs = freq_abs << 16;
1478 freq_abs /= (state->internal->mclk / 1000);
1479 freq = (s16) freq_abs;
1480 }
1481
1482 if (STV090x_WRITE_DEMOD(state, CFRUP1, MSB(freq)) < 0)
1483 goto err;
1484 if (STV090x_WRITE_DEMOD(state, CFRUP0, LSB(freq)) < 0)
1485 goto err;
1486
1487 freq *= -1;
1488
1489 if (STV090x_WRITE_DEMOD(state, CFRLOW1, MSB(freq)) < 0)
1490 goto err;
1491 if (STV090x_WRITE_DEMOD(state, CFRLOW0, LSB(freq)) < 0)
1492 goto err;
1493
1494 }
1495
1496 if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0) < 0)
1497 goto err;
1498 if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0) < 0)
1499 goto err;
1500
1501 if (state->internal->dev_ver >= 0x20) {
1502 if (STV090x_WRITE_DEMOD(state, EQUALCFG, 0x41) < 0)
1503 goto err;
1504 if (STV090x_WRITE_DEMOD(state, FFECFG, 0x41) < 0)
1505 goto err;
1506
1507 if ((state->search_mode == STV090x_SEARCH_DVBS1) ||
1508 (state->search_mode == STV090x_SEARCH_DSS) ||
1509 (state->search_mode == STV090x_SEARCH_AUTO)) {
1510
1511 if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x82) < 0)
1512 goto err;
1513 if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x00) < 0)
1514 goto err;
1515 }
1516 }
1517
1518 if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x00) < 0)
1519 goto err;
1520 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0xe0) < 0)
1521 goto err;
1522 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0xc0) < 0)
1523 goto err;
1524
1525 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1526 STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0);
1527 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
1528 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1529 goto err;
1530 reg = STV090x_READ_DEMOD(state, DMDCFG2);
1531 STV090x_SETFIELD_Px(reg, S1S2_SEQUENTIAL_FIELD, 0x0);
1532 if (STV090x_WRITE_DEMOD(state, DMDCFG2, reg) < 0)
1533 goto err;
1534
1535 if (STV090x_WRITE_DEMOD(state, RTC, 0x88) < 0)
1536 goto err;
1537
1538 if (state->internal->dev_ver >= 0x20) {
1539 /*Frequency offset detector setting*/
1540 if (state->srate < 2000000) {
1541 if (state->internal->dev_ver <= 0x20) {
1542 /* Cut 2 */
1543 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x39) < 0)
1544 goto err;
1545 } else {
1546 /* Cut 3 */
1547 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x89) < 0)
1548 goto err;
1549 }
1550 if (STV090x_WRITE_DEMOD(state, CARHDR, 0x40) < 0)
1551 goto err;
1552 } else if (state->srate < 10000000) {
1553 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x4c) < 0)
1554 goto err;
1555 if (STV090x_WRITE_DEMOD(state, CARHDR, 0x20) < 0)
1556 goto err;
1557 } else {
1558 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x4b) < 0)
1559 goto err;
1560 if (STV090x_WRITE_DEMOD(state, CARHDR, 0x20) < 0)
1561 goto err;
1562 }
1563 } else {
1564 if (state->srate < 10000000) {
1565 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0xef) < 0)
1566 goto err;
1567 } else {
1568 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0xed) < 0)
1569 goto err;
1570 }
1571 }
1572
1573 switch (state->algo) {
1574 case STV090x_WARM_SEARCH:
1575 /* The symbol rate and the exact
1576 * carrier Frequency are known
1577 */
1578 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
1579 goto err;
1580 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
1581 goto err;
1582 break;
1583
1584 case STV090x_COLD_SEARCH:
1585 /* The symbol rate is known */
1586 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
1587 goto err;
1588 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
1589 goto err;
1590 break;
1591
1592 default:
1593 break;
1594 }
1595 return 0;
1596 err:
1597 dprintk(FE_ERROR, 1, "I/O error");
1598 return -1;
1599 }
1600
1601 static int stv090x_get_agc2_min_level(struct stv090x_state *state)
1602 {
1603 u32 agc2_min = 0xffff, agc2 = 0, freq_init, freq_step, reg;
1604 s32 i, j, steps, dir;
1605
1606 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
1607 goto err;
1608 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1609 STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0);
1610 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
1611 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1612 goto err;
1613
1614 if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x83) < 0) /* SR = 65 Msps Max */
1615 goto err;
1616 if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xc0) < 0)
1617 goto err;
1618 if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x82) < 0) /* SR= 400 ksps Min */
1619 goto err;
1620 if (STV090x_WRITE_DEMOD(state, SFRLOW0, 0xa0) < 0)
1621 goto err;
1622 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x00) < 0) /* stop acq @ coarse carrier state */
1623 goto err;
1624 if (stv090x_set_srate(state, 1000000) < 0)
1625 goto err;
1626
1627 steps = state->search_range / 1000000;
1628 if (steps <= 0)
1629 steps = 1;
1630
1631 dir = 1;
1632 freq_step = (1000000 * 256) / (state->internal->mclk / 256);
1633 freq_init = 0;
1634
1635 for (i = 0; i < steps; i++) {
1636 if (dir > 0)
1637 freq_init = freq_init + (freq_step * i);
1638 else
1639 freq_init = freq_init - (freq_step * i);
1640
1641 dir *= -1;
1642
1643 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5c) < 0) /* Demod RESET */
1644 goto err;
1645 if (STV090x_WRITE_DEMOD(state, CFRINIT1, (freq_init >> 8) & 0xff) < 0)
1646 goto err;
1647 if (STV090x_WRITE_DEMOD(state, CFRINIT0, freq_init & 0xff) < 0)
1648 goto err;
1649 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x58) < 0) /* Demod RESET */
1650 goto err;
1651 msleep(10);
1652
1653 agc2 = 0;
1654 for (j = 0; j < 10; j++) {
1655 agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
1656 STV090x_READ_DEMOD(state, AGC2I0);
1657 }
1658 agc2 /= 10;
1659 if (agc2 < agc2_min)
1660 agc2_min = agc2;
1661 }
1662
1663 return agc2_min;
1664 err:
1665 dprintk(FE_ERROR, 1, "I/O error");
1666 return -1;
1667 }
1668
1669 static u32 stv090x_get_srate(struct stv090x_state *state, u32 clk)
1670 {
1671 u8 r3, r2, r1, r0;
1672 s32 srate, int_1, int_2, tmp_1, tmp_2;
1673
1674 r3 = STV090x_READ_DEMOD(state, SFR3);
1675 r2 = STV090x_READ_DEMOD(state, SFR2);
1676 r1 = STV090x_READ_DEMOD(state, SFR1);
1677 r0 = STV090x_READ_DEMOD(state, SFR0);
1678
1679 srate = ((r3 << 24) | (r2 << 16) | (r1 << 8) | r0);
1680
1681 int_1 = clk >> 16;
1682 int_2 = srate >> 16;
1683
1684 tmp_1 = clk % 0x10000;
1685 tmp_2 = srate % 0x10000;
1686
1687 srate = (int_1 * int_2) +
1688 ((int_1 * tmp_2) >> 16) +
1689 ((int_2 * tmp_1) >> 16);
1690
1691 return srate;
1692 }
1693
1694 static u32 stv090x_srate_srch_coarse(struct stv090x_state *state)
1695 {
1696 struct dvb_frontend *fe = &state->frontend;
1697
1698 int tmg_lock = 0, i;
1699 s32 tmg_cpt = 0, dir = 1, steps, cur_step = 0, freq;
1700 u32 srate_coarse = 0, agc2 = 0, car_step = 1200, reg;
1701 u32 agc2th;
1702
1703 if (state->internal->dev_ver >= 0x30)
1704 agc2th = 0x2e00;
1705 else
1706 agc2th = 0x1f00;
1707
1708 reg = STV090x_READ_DEMOD(state, DMDISTATE);
1709 STV090x_SETFIELD_Px(reg, I2C_DEMOD_MODE_FIELD, 0x1f); /* Demod RESET */
1710 if (STV090x_WRITE_DEMOD(state, DMDISTATE, reg) < 0)
1711 goto err;
1712 if (STV090x_WRITE_DEMOD(state, TMGCFG, 0x12) < 0)
1713 goto err;
1714 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc0) < 0)
1715 goto err;
1716 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0xf0) < 0)
1717 goto err;
1718 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0xe0) < 0)
1719 goto err;
1720 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1721 STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 1);
1722 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
1723 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1724 goto err;
1725
1726 if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x83) < 0)
1727 goto err;
1728 if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xc0) < 0)
1729 goto err;
1730 if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x82) < 0)
1731 goto err;
1732 if (STV090x_WRITE_DEMOD(state, SFRLOW0, 0xa0) < 0)
1733 goto err;
1734 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x00) < 0)
1735 goto err;
1736 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x50) < 0)
1737 goto err;
1738
1739 if (state->internal->dev_ver >= 0x30) {
1740 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x99) < 0)
1741 goto err;
1742 if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x98) < 0)
1743 goto err;
1744
1745 } else if (state->internal->dev_ver >= 0x20) {
1746 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x6a) < 0)
1747 goto err;
1748 if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x95) < 0)
1749 goto err;
1750 }
1751
1752 if (state->srate <= 2000000)
1753 car_step = 1000;
1754 else if (state->srate <= 5000000)
1755 car_step = 2000;
1756 else if (state->srate <= 12000000)
1757 car_step = 3000;
1758 else
1759 car_step = 5000;
1760
1761 steps = -1 + ((state->search_range / 1000) / car_step);
1762 steps /= 2;
1763 steps = (2 * steps) + 1;
1764 if (steps < 0)
1765 steps = 1;
1766 else if (steps > 10) {
1767 steps = 11;
1768 car_step = (state->search_range / 1000) / 10;
1769 }
1770 cur_step = 0;
1771 dir = 1;
1772 freq = state->frequency;
1773
1774 while ((!tmg_lock) && (cur_step < steps)) {
1775 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5f) < 0) /* Demod RESET */
1776 goto err;
1777 if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0)
1778 goto err;
1779 if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
1780 goto err;
1781 if (STV090x_WRITE_DEMOD(state, SFRINIT1, 0x00) < 0)
1782 goto err;
1783 if (STV090x_WRITE_DEMOD(state, SFRINIT0, 0x00) < 0)
1784 goto err;
1785 /* trigger acquisition */
1786 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x40) < 0)
1787 goto err;
1788 msleep(50);
1789 for (i = 0; i < 10; i++) {
1790 reg = STV090x_READ_DEMOD(state, DSTATUS);
1791 if (STV090x_GETFIELD_Px(reg, TMGLOCK_QUALITY_FIELD) >= 2)
1792 tmg_cpt++;
1793 agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
1794 STV090x_READ_DEMOD(state, AGC2I0);
1795 }
1796 agc2 /= 10;
1797 srate_coarse = stv090x_get_srate(state, state->internal->mclk);
1798 cur_step++;
1799 dir *= -1;
1800 if ((tmg_cpt >= 5) && (agc2 < agc2th) &&
1801 (srate_coarse < 50000000) && (srate_coarse > 850000))
1802 tmg_lock = 1;
1803 else if (cur_step < steps) {
1804 if (dir > 0)
1805 freq += cur_step * car_step;
1806 else
1807 freq -= cur_step * car_step;
1808
1809 /* Setup tuner */
1810 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
1811 goto err;
1812
1813 if (state->config->tuner_set_frequency) {
1814 if (state->config->tuner_set_frequency(fe, freq) < 0)
1815 goto err_gateoff;
1816 }
1817
1818 if (state->config->tuner_set_bandwidth) {
1819 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
1820 goto err_gateoff;
1821 }
1822
1823 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
1824 goto err;
1825
1826 msleep(50);
1827
1828 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
1829 goto err;
1830
1831 if (state->config->tuner_get_status) {
1832 if (state->config->tuner_get_status(fe, &reg) < 0)
1833 goto err_gateoff;
1834 }
1835
1836 if (reg)
1837 dprintk(FE_DEBUG, 1, "Tuner phase locked");
1838 else
1839 dprintk(FE_DEBUG, 1, "Tuner unlocked");
1840
1841 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
1842 goto err;
1843
1844 }
1845 }
1846 if (!tmg_lock)
1847 srate_coarse = 0;
1848 else
1849 srate_coarse = stv090x_get_srate(state, state->internal->mclk);
1850
1851 return srate_coarse;
1852
1853 err_gateoff:
1854 stv090x_i2c_gate_ctrl(state, 0);
1855 err:
1856 dprintk(FE_ERROR, 1, "I/O error");
1857 return -1;
1858 }
1859
1860 static u32 stv090x_srate_srch_fine(struct stv090x_state *state)
1861 {
1862 u32 srate_coarse, freq_coarse, sym, reg;
1863
1864 srate_coarse = stv090x_get_srate(state, state->internal->mclk);
1865 freq_coarse = STV090x_READ_DEMOD(state, CFR2) << 8;
1866 freq_coarse |= STV090x_READ_DEMOD(state, CFR1);
1867 sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
1868
1869 if (sym < state->srate)
1870 srate_coarse = 0;
1871 else {
1872 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0) /* Demod RESET */
1873 goto err;
1874 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0)
1875 goto err;
1876 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0x20) < 0)
1877 goto err;
1878 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0x00) < 0)
1879 goto err;
1880 if (STV090x_WRITE_DEMOD(state, TMGCFG, 0xd2) < 0)
1881 goto err;
1882 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1883 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00);
1884 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1885 goto err;
1886
1887 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
1888 goto err;
1889
1890 if (state->internal->dev_ver >= 0x30) {
1891 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x79) < 0)
1892 goto err;
1893 } else if (state->internal->dev_ver >= 0x20) {
1894 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
1895 goto err;
1896 }
1897
1898 if (srate_coarse > 3000000) {
1899 sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
1900 sym = (sym / 1000) * 65536;
1901 sym /= (state->internal->mclk / 1000);
1902 if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0)
1903 goto err;
1904 if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0)
1905 goto err;
1906 sym = 10 * (srate_coarse / 13); /* SFRLOW = SFR - 30% */
1907 sym = (sym / 1000) * 65536;
1908 sym /= (state->internal->mclk / 1000);
1909 if (STV090x_WRITE_DEMOD(state, SFRLOW1, (sym >> 8) & 0x7f) < 0)
1910 goto err;
1911 if (STV090x_WRITE_DEMOD(state, SFRLOW0, sym & 0xff) < 0)
1912 goto err;
1913 sym = (srate_coarse / 1000) * 65536;
1914 sym /= (state->internal->mclk / 1000);
1915 if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0xff) < 0)
1916 goto err;
1917 if (STV090x_WRITE_DEMOD(state, SFRINIT0, sym & 0xff) < 0)
1918 goto err;
1919 } else {
1920 sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
1921 sym = (sym / 100) * 65536;
1922 sym /= (state->internal->mclk / 100);
1923 if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0)
1924 goto err;
1925 if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0)
1926 goto err;
1927 sym = 10 * (srate_coarse / 14); /* SFRLOW = SFR - 30% */
1928 sym = (sym / 100) * 65536;
1929 sym /= (state->internal->mclk / 100);
1930 if (STV090x_WRITE_DEMOD(state, SFRLOW1, (sym >> 8) & 0x7f) < 0)
1931 goto err;
1932 if (STV090x_WRITE_DEMOD(state, SFRLOW0, sym & 0xff) < 0)
1933 goto err;
1934 sym = (srate_coarse / 100) * 65536;
1935 sym /= (state->internal->mclk / 100);
1936 if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0xff) < 0)
1937 goto err;
1938 if (STV090x_WRITE_DEMOD(state, SFRINIT0, sym & 0xff) < 0)
1939 goto err;
1940 }
1941 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x20) < 0)
1942 goto err;
1943 if (STV090x_WRITE_DEMOD(state, CFRINIT1, (freq_coarse >> 8) & 0xff) < 0)
1944 goto err;
1945 if (STV090x_WRITE_DEMOD(state, CFRINIT0, freq_coarse & 0xff) < 0)
1946 goto err;
1947 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0) /* trigger acquisition */
1948 goto err;
1949 }
1950
1951 return srate_coarse;
1952
1953 err:
1954 dprintk(FE_ERROR, 1, "I/O error");
1955 return -1;
1956 }
1957
1958 static int stv090x_get_dmdlock(struct stv090x_state *state, s32 timeout)
1959 {
1960 s32 timer = 0, lock = 0;
1961 u32 reg;
1962 u8 stat;
1963
1964 while ((timer < timeout) && (!lock)) {
1965 reg = STV090x_READ_DEMOD(state, DMDSTATE);
1966 stat = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
1967
1968 switch (stat) {
1969 case 0: /* searching */
1970 case 1: /* first PLH detected */
1971 default:
1972 dprintk(FE_DEBUG, 1, "Demodulator searching ..");
1973 lock = 0;
1974 break;
1975 case 2: /* DVB-S2 mode */
1976 case 3: /* DVB-S1/legacy mode */
1977 reg = STV090x_READ_DEMOD(state, DSTATUS);
1978 lock = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
1979 break;
1980 }
1981
1982 if (!lock)
1983 msleep(10);
1984 else
1985 dprintk(FE_DEBUG, 1, "Demodulator acquired LOCK");
1986
1987 timer += 10;
1988 }
1989 return lock;
1990 }
1991
1992 static int stv090x_blind_search(struct stv090x_state *state)
1993 {
1994 u32 agc2, reg, srate_coarse;
1995 s32 cpt_fail, agc2_ovflw, i;
1996 u8 k_ref, k_max, k_min;
1997 int coarse_fail = 0;
1998 int lock;
1999
2000 k_max = 110;
2001 k_min = 10;
2002
2003 agc2 = stv090x_get_agc2_min_level(state);
2004
2005 if (agc2 > STV090x_SEARCH_AGC2_TH(state->internal->dev_ver)) {
2006 lock = 0;
2007 } else {
2008
2009 if (state->internal->dev_ver <= 0x20) {
2010 if (STV090x_WRITE_DEMOD(state, CARCFG, 0xc4) < 0)
2011 goto err;
2012 } else {
2013 /* > Cut 3 */
2014 if (STV090x_WRITE_DEMOD(state, CARCFG, 0x06) < 0)
2015 goto err;
2016 }
2017
2018 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x44) < 0)
2019 goto err;
2020
2021 if (state->internal->dev_ver >= 0x20) {
2022 if (STV090x_WRITE_DEMOD(state, EQUALCFG, 0x41) < 0)
2023 goto err;
2024 if (STV090x_WRITE_DEMOD(state, FFECFG, 0x41) < 0)
2025 goto err;
2026 if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x82) < 0)
2027 goto err;
2028 if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x00) < 0) /* set viterbi hysteresis */
2029 goto err;
2030 }
2031
2032 k_ref = k_max;
2033 do {
2034 if (STV090x_WRITE_DEMOD(state, KREFTMG, k_ref) < 0)
2035 goto err;
2036 if (stv090x_srate_srch_coarse(state) != 0) {
2037 srate_coarse = stv090x_srate_srch_fine(state);
2038 if (srate_coarse != 0) {
2039 stv090x_get_lock_tmg(state);
2040 lock = stv090x_get_dmdlock(state,
2041 state->DemodTimeout);
2042 } else {
2043 lock = 0;
2044 }
2045 } else {
2046 cpt_fail = 0;
2047 agc2_ovflw = 0;
2048 for (i = 0; i < 10; i++) {
2049 agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
2050 STV090x_READ_DEMOD(state, AGC2I0);
2051 if (agc2 >= 0xff00)
2052 agc2_ovflw++;
2053 reg = STV090x_READ_DEMOD(state, DSTATUS2);
2054 if ((STV090x_GETFIELD_Px(reg, CFR_OVERFLOW_FIELD) == 0x01) &&
2055 (STV090x_GETFIELD_Px(reg, DEMOD_DELOCK_FIELD) == 0x01))
2056
2057 cpt_fail++;
2058 }
2059 if ((cpt_fail > 7) || (agc2_ovflw > 7))
2060 coarse_fail = 1;
2061
2062 lock = 0;
2063 }
2064 k_ref -= 20;
2065 } while ((k_ref >= k_min) && (!lock) && (!coarse_fail));
2066 }
2067
2068 return lock;
2069
2070 err:
2071 dprintk(FE_ERROR, 1, "I/O error");
2072 return -1;
2073 }
2074
2075 static int stv090x_chk_tmg(struct stv090x_state *state)
2076 {
2077 u32 reg;
2078 s32 tmg_cpt = 0, i;
2079 u8 freq, tmg_thh, tmg_thl;
2080 int tmg_lock = 0;
2081
2082 freq = STV090x_READ_DEMOD(state, CARFREQ);
2083 tmg_thh = STV090x_READ_DEMOD(state, TMGTHRISE);
2084 tmg_thl = STV090x_READ_DEMOD(state, TMGTHFALL);
2085 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0x20) < 0)
2086 goto err;
2087 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0x00) < 0)
2088 goto err;
2089
2090 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2091 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00); /* stop carrier offset search */
2092 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2093 goto err;
2094 if (STV090x_WRITE_DEMOD(state, RTC, 0x80) < 0)
2095 goto err;
2096
2097 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x40) < 0)
2098 goto err;
2099 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x00) < 0)
2100 goto err;
2101
2102 if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0) /* set car ofset to 0 */
2103 goto err;
2104 if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
2105 goto err;
2106 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x65) < 0)
2107 goto err;
2108
2109 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0) /* trigger acquisition */
2110 goto err;
2111 msleep(10);
2112
2113 for (i = 0; i < 10; i++) {
2114 reg = STV090x_READ_DEMOD(state, DSTATUS);
2115 if (STV090x_GETFIELD_Px(reg, TMGLOCK_QUALITY_FIELD) >= 2)
2116 tmg_cpt++;
2117 msleep(1);
2118 }
2119 if (tmg_cpt >= 3)
2120 tmg_lock = 1;
2121
2122 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
2123 goto err;
2124 if (STV090x_WRITE_DEMOD(state, RTC, 0x88) < 0) /* DVB-S1 timing */
2125 goto err;
2126 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x68) < 0) /* DVB-S2 timing */
2127 goto err;
2128
2129 if (STV090x_WRITE_DEMOD(state, CARFREQ, freq) < 0)
2130 goto err;
2131 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, tmg_thh) < 0)
2132 goto err;
2133 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, tmg_thl) < 0)
2134 goto err;
2135
2136 return tmg_lock;
2137
2138 err:
2139 dprintk(FE_ERROR, 1, "I/O error");
2140 return -1;
2141 }
2142
2143 static int stv090x_get_coldlock(struct stv090x_state *state, s32 timeout_dmd)
2144 {
2145 struct dvb_frontend *fe = &state->frontend;
2146
2147 u32 reg;
2148 s32 car_step, steps, cur_step, dir, freq, timeout_lock;
2149 int lock;
2150
2151 if (state->srate >= 10000000)
2152 timeout_lock = timeout_dmd / 3;
2153 else
2154 timeout_lock = timeout_dmd / 2;
2155
2156 lock = stv090x_get_dmdlock(state, timeout_lock); /* cold start wait */
2157 if (lock)
2158 return lock;
2159
2160 if (state->srate >= 10000000) {
2161 if (stv090x_chk_tmg(state)) {
2162 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
2163 goto err;
2164 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
2165 goto err;
2166 return stv090x_get_dmdlock(state, timeout_dmd);
2167 }
2168 return 0;
2169 }
2170
2171 if (state->srate <= 4000000)
2172 car_step = 1000;
2173 else if (state->srate <= 7000000)
2174 car_step = 2000;
2175 else if (state->srate <= 10000000)
2176 car_step = 3000;
2177 else
2178 car_step = 5000;
2179
2180 steps = (state->search_range / 1000) / car_step;
2181 steps /= 2;
2182 steps = 2 * (steps + 1);
2183 if (steps < 0)
2184 steps = 2;
2185 else if (steps > 12)
2186 steps = 12;
2187
2188 cur_step = 1;
2189 dir = 1;
2190
2191 freq = state->frequency;
2192 state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + state->srate;
2193 while ((cur_step <= steps) && (!lock)) {
2194 if (dir > 0)
2195 freq += cur_step * car_step;
2196 else
2197 freq -= cur_step * car_step;
2198
2199 /* Setup tuner */
2200 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
2201 goto err;
2202
2203 if (state->config->tuner_set_frequency) {
2204 if (state->config->tuner_set_frequency(fe, freq) < 0)
2205 goto err_gateoff;
2206 }
2207
2208 if (state->config->tuner_set_bandwidth) {
2209 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
2210 goto err_gateoff;
2211 }
2212
2213 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
2214 goto err;
2215
2216 msleep(50);
2217
2218 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
2219 goto err;
2220
2221 if (state->config->tuner_get_status) {
2222 if (state->config->tuner_get_status(fe, &reg) < 0)
2223 goto err_gateoff;
2224 }
2225
2226 if (reg)
2227 dprintk(FE_DEBUG, 1, "Tuner phase locked");
2228 else
2229 dprintk(FE_DEBUG, 1, "Tuner unlocked");
2230
2231 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
2232 goto err;
2233
2234 STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c);
2235 if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0)
2236 goto err;
2237 if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
2238 goto err;
2239 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
2240 goto err;
2241 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
2242 goto err;
2243 lock = stv090x_get_dmdlock(state, (timeout_dmd / 3));
2244
2245 dir *= -1;
2246 cur_step++;
2247 }
2248
2249 return lock;
2250
2251 err_gateoff:
2252 stv090x_i2c_gate_ctrl(state, 0);
2253 err:
2254 dprintk(FE_ERROR, 1, "I/O error");
2255 return -1;
2256 }
2257
2258 static int stv090x_get_loop_params(struct stv090x_state *state, s32 *freq_inc, s32 *timeout_sw, s32 *steps)
2259 {
2260 s32 timeout, inc, steps_max, srate, car_max;
2261
2262 srate = state->srate;
2263 car_max = state->search_range / 1000;
2264 car_max += car_max / 10;
2265 car_max = 65536 * (car_max / 2);
2266 car_max /= (state->internal->mclk / 1000);
2267
2268 if (car_max > 0x4000)
2269 car_max = 0x4000 ; /* maxcarrier should be<= +-1/4 Mclk */
2270
2271 inc = srate;
2272 inc /= state->internal->mclk / 1000;
2273 inc *= 256;
2274 inc *= 256;
2275 inc /= 1000;
2276
2277 switch (state->search_mode) {
2278 case STV090x_SEARCH_DVBS1:
2279 case STV090x_SEARCH_DSS:
2280 inc *= 3; /* freq step = 3% of srate */
2281 timeout = 20;
2282 break;
2283
2284 case STV090x_SEARCH_DVBS2:
2285 inc *= 4;
2286 timeout = 25;
2287 break;
2288
2289 case STV090x_SEARCH_AUTO:
2290 default:
2291 inc *= 3;
2292 timeout = 25;
2293 break;
2294 }
2295 inc /= 100;
2296 if ((inc > car_max) || (inc < 0))
2297 inc = car_max / 2; /* increment <= 1/8 Mclk */
2298
2299 timeout *= 27500; /* 27.5 Msps reference */
2300 if (srate > 0)
2301 timeout /= (srate / 1000);
2302
2303 if ((timeout > 100) || (timeout < 0))
2304 timeout = 100;
2305
2306 steps_max = (car_max / inc) + 1; /* min steps = 3 */
2307 if ((steps_max > 100) || (steps_max < 0)) {
2308 steps_max = 100; /* max steps <= 100 */
2309 inc = car_max / steps_max;
2310 }
2311 *freq_inc = inc;
2312 *timeout_sw = timeout;
2313 *steps = steps_max;
2314
2315 return 0;
2316 }
2317
2318 static int stv090x_chk_signal(struct stv090x_state *state)
2319 {
2320 s32 offst_car, agc2, car_max;
2321 int no_signal;
2322
2323 offst_car = STV090x_READ_DEMOD(state, CFR2) << 8;
2324 offst_car |= STV090x_READ_DEMOD(state, CFR1);
2325 offst_car = comp2(offst_car, 16);
2326
2327 agc2 = STV090x_READ_DEMOD(state, AGC2I1) << 8;
2328 agc2 |= STV090x_READ_DEMOD(state, AGC2I0);
2329 car_max = state->search_range / 1000;
2330
2331 car_max += (car_max / 10); /* 10% margin */
2332 car_max = (65536 * car_max / 2);
2333 car_max /= state->internal->mclk / 1000;
2334
2335 if (car_max > 0x4000)
2336 car_max = 0x4000;
2337
2338 if ((agc2 > 0x2000) || (offst_car > 2 * car_max) || (offst_car < -2 * car_max)) {
2339 no_signal = 1;
2340 dprintk(FE_DEBUG, 1, "No Signal");
2341 } else {
2342 no_signal = 0;
2343 dprintk(FE_DEBUG, 1, "Found Signal");
2344 }
2345
2346 return no_signal;
2347 }
2348
2349 static int stv090x_search_car_loop(struct stv090x_state *state, s32 inc, s32 timeout, int zigzag, s32 steps_max)
2350 {
2351 int no_signal, lock = 0;
2352 s32 cpt_step = 0, offst_freq, car_max;
2353 u32 reg;
2354
2355 car_max = state->search_range / 1000;
2356 car_max += (car_max / 10);
2357 car_max = (65536 * car_max / 2);
2358 car_max /= (state->internal->mclk / 1000);
2359 if (car_max > 0x4000)
2360 car_max = 0x4000;
2361
2362 if (zigzag)
2363 offst_freq = 0;
2364 else
2365 offst_freq = -car_max + inc;
2366
2367 do {
2368 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c) < 0)
2369 goto err;
2370 if (STV090x_WRITE_DEMOD(state, CFRINIT1, ((offst_freq / 256) & 0xff)) < 0)
2371 goto err;
2372 if (STV090x_WRITE_DEMOD(state, CFRINIT0, offst_freq & 0xff) < 0)
2373 goto err;
2374 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
2375 goto err;
2376
2377 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
2378 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x1); /* stop DVB-S2 packet delin */
2379 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
2380 goto err;
2381
2382 if (zigzag) {
2383 if (offst_freq >= 0)
2384 offst_freq = -offst_freq - 2 * inc;
2385 else
2386 offst_freq = -offst_freq;
2387 } else {
2388 offst_freq += 2 * inc;
2389 }
2390
2391 cpt_step++;
2392
2393 lock = stv090x_get_dmdlock(state, timeout);
2394 no_signal = stv090x_chk_signal(state);
2395
2396 } while ((!lock) &&
2397 (!no_signal) &&
2398 ((offst_freq - inc) < car_max) &&
2399 ((offst_freq + inc) > -car_max) &&
2400 (cpt_step < steps_max));
2401
2402 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
2403 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0);
2404 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
2405 goto err;
2406
2407 return lock;
2408 err:
2409 dprintk(FE_ERROR, 1, "I/O error");
2410 return -1;
2411 }
2412
2413 static int stv090x_sw_algo(struct stv090x_state *state)
2414 {
2415 int no_signal, zigzag, lock = 0;
2416 u32 reg;
2417
2418 s32 dvbs2_fly_wheel;
2419 s32 inc, timeout_step, trials, steps_max;
2420
2421 /* get params */
2422 stv090x_get_loop_params(state, &inc, &timeout_step, &steps_max);
2423
2424 switch (state->search_mode) {
2425 case STV090x_SEARCH_DVBS1:
2426 case STV090x_SEARCH_DSS:
2427 /* accelerate the frequency detector */
2428 if (state->internal->dev_ver >= 0x20) {
2429 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x3B) < 0)
2430 goto err;
2431 }
2432
2433 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x49) < 0)
2434 goto err;
2435 zigzag = 0;
2436 break;
2437
2438 case STV090x_SEARCH_DVBS2:
2439 if (state->internal->dev_ver >= 0x20) {
2440 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
2441 goto err;
2442 }
2443
2444 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x89) < 0)
2445 goto err;
2446 zigzag = 1;
2447 break;
2448
2449 case STV090x_SEARCH_AUTO:
2450 default:
2451 /* accelerate the frequency detector */
2452 if (state->internal->dev_ver >= 0x20) {
2453 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x3b) < 0)
2454 goto err;
2455 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
2456 goto err;
2457 }
2458
2459 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0xc9) < 0)
2460 goto err;
2461 zigzag = 0;
2462 break;
2463 }
2464
2465 trials = 0;
2466 do {
2467 lock = stv090x_search_car_loop(state, inc, timeout_step, zigzag, steps_max);
2468 no_signal = stv090x_chk_signal(state);
2469 trials++;
2470
2471 /*run the SW search 2 times maximum*/
2472 if (lock || no_signal || (trials == 2)) {
2473 /*Check if the demod is not losing lock in DVBS2*/
2474 if (state->internal->dev_ver >= 0x20) {
2475 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
2476 goto err;
2477 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x9e) < 0)
2478 goto err;
2479 }
2480
2481 reg = STV090x_READ_DEMOD(state, DMDSTATE);
2482 if ((lock) && (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == STV090x_DVBS2)) {
2483 /*Check if the demod is not losing lock in DVBS2*/
2484 msleep(timeout_step);
2485 reg = STV090x_READ_DEMOD(state, DMDFLYW);
2486 dvbs2_fly_wheel = STV090x_GETFIELD_Px(reg, FLYWHEEL_CPT_FIELD);
2487 if (dvbs2_fly_wheel < 0xd) { /*if correct frames is decrementing */
2488 msleep(timeout_step);
2489 reg = STV090x_READ_DEMOD(state, DMDFLYW);
2490 dvbs2_fly_wheel = STV090x_GETFIELD_Px(reg, FLYWHEEL_CPT_FIELD);
2491 }
2492 if (dvbs2_fly_wheel < 0xd) {
2493 /*FALSE lock, The demod is losing lock */
2494 lock = 0;
2495 if (trials < 2) {
2496 if (state->internal->dev_ver >= 0x20) {
2497 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
2498 goto err;
2499 }
2500
2501 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x89) < 0)
2502 goto err;
2503 }
2504 }
2505 }
2506 }
2507 } while ((!lock) && (trials < 2) && (!no_signal));
2508
2509 return lock;
2510 err:
2511 dprintk(FE_ERROR, 1, "I/O error");
2512 return -1;
2513 }
2514
2515 static enum stv090x_delsys stv090x_get_std(struct stv090x_state *state)
2516 {
2517 u32 reg;
2518 enum stv090x_delsys delsys;
2519
2520 reg = STV090x_READ_DEMOD(state, DMDSTATE);
2521 if (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == 2)
2522 delsys = STV090x_DVBS2;
2523 else if (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == 3) {
2524 reg = STV090x_READ_DEMOD(state, FECM);
2525 if (STV090x_GETFIELD_Px(reg, DSS_DVB_FIELD) == 1)
2526 delsys = STV090x_DSS;
2527 else
2528 delsys = STV090x_DVBS1;
2529 } else {
2530 delsys = STV090x_ERROR;
2531 }
2532
2533 return delsys;
2534 }
2535
2536 /* in Hz */
2537 static s32 stv090x_get_car_freq(struct stv090x_state *state, u32 mclk)
2538 {
2539 s32 derot, int_1, int_2, tmp_1, tmp_2;
2540
2541 derot = STV090x_READ_DEMOD(state, CFR2) << 16;
2542 derot |= STV090x_READ_DEMOD(state, CFR1) << 8;
2543 derot |= STV090x_READ_DEMOD(state, CFR0);
2544
2545 derot = comp2(derot, 24);
2546 int_1 = mclk >> 12;
2547 int_2 = derot >> 12;
2548
2549 /* carrier_frequency = MasterClock * Reg / 2^24 */
2550 tmp_1 = mclk % 0x1000;
2551 tmp_2 = derot % 0x1000;
2552
2553 derot = (int_1 * int_2) +
2554 ((int_1 * tmp_2) >> 12) +
2555 ((int_2 * tmp_1) >> 12);
2556
2557 return derot;
2558 }
2559
2560 static int stv090x_get_viterbi(struct stv090x_state *state)
2561 {
2562 u32 reg, rate;
2563
2564 reg = STV090x_READ_DEMOD(state, VITCURPUN);
2565 rate = STV090x_GETFIELD_Px(reg, VIT_CURPUN_FIELD);
2566
2567 switch (rate) {
2568 case 13:
2569 state->fec = STV090x_PR12;
2570 break;
2571
2572 case 18:
2573 state->fec = STV090x_PR23;
2574 break;
2575
2576 case 21:
2577 state->fec = STV090x_PR34;
2578 break;
2579
2580 case 24:
2581 state->fec = STV090x_PR56;
2582 break;
2583
2584 case 25:
2585 state->fec = STV090x_PR67;
2586 break;
2587
2588 case 26:
2589 state->fec = STV090x_PR78;
2590 break;
2591
2592 default:
2593 state->fec = STV090x_PRERR;
2594 break;
2595 }
2596
2597 return 0;
2598 }
2599
2600 static enum stv090x_signal_state stv090x_get_sig_params(struct stv090x_state *state)
2601 {
2602 struct dvb_frontend *fe = &state->frontend;
2603
2604 u8 tmg;
2605 u32 reg;
2606 s32 i = 0, offst_freq;
2607
2608 msleep(5);
2609
2610 if (state->algo == STV090x_BLIND_SEARCH) {
2611 tmg = STV090x_READ_DEMOD(state, TMGREG2);
2612 STV090x_WRITE_DEMOD(state, SFRSTEP, 0x5c);
2613 while ((i <= 50) && (tmg != 0) && (tmg != 0xff)) {
2614 tmg = STV090x_READ_DEMOD(state, TMGREG2);
2615 msleep(5);
2616 i += 5;
2617 }
2618 }
2619 state->delsys = stv090x_get_std(state);
2620
2621 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
2622 goto err;
2623
2624 if (state->config->tuner_get_frequency) {
2625 if (state->config->tuner_get_frequency(fe, &state->frequency) < 0)
2626 goto err_gateoff;
2627 }
2628
2629 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
2630 goto err;
2631
2632 offst_freq = stv090x_get_car_freq(state, state->internal->mclk) / 1000;
2633 state->frequency += offst_freq;
2634
2635 if (stv090x_get_viterbi(state) < 0)
2636 goto err;
2637
2638 reg = STV090x_READ_DEMOD(state, DMDMODCOD);
2639 state->modcod = STV090x_GETFIELD_Px(reg, DEMOD_MODCOD_FIELD);
2640 state->pilots = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) & 0x01;
2641 state->frame_len = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) >> 1;
2642 reg = STV090x_READ_DEMOD(state, TMGOBS);
2643 state->rolloff = STV090x_GETFIELD_Px(reg, ROLLOFF_STATUS_FIELD);
2644 reg = STV090x_READ_DEMOD(state, FECM);
2645 state->inversion = STV090x_GETFIELD_Px(reg, IQINV_FIELD);
2646
2647 if ((state->algo == STV090x_BLIND_SEARCH) || (state->srate < 10000000)) {
2648
2649 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
2650 goto err;
2651
2652 if (state->config->tuner_get_frequency) {
2653 if (state->config->tuner_get_frequency(fe, &state->frequency) < 0)
2654 goto err_gateoff;
2655 }
2656
2657 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
2658 goto err;
2659
2660 if (abs(offst_freq) <= ((state->search_range / 2000) + 500))
2661 return STV090x_RANGEOK;
2662 else if (abs(offst_freq) <= (stv090x_car_width(state->srate, state->rolloff) / 2000))
2663 return STV090x_RANGEOK;
2664 } else {
2665 if (abs(offst_freq) <= ((state->search_range / 2000) + 500))
2666 return STV090x_RANGEOK;
2667 }
2668
2669 return STV090x_OUTOFRANGE;
2670
2671 err_gateoff:
2672 stv090x_i2c_gate_ctrl(state, 0);
2673 err:
2674 dprintk(FE_ERROR, 1, "I/O error");
2675 return -1;
2676 }
2677
2678 static u32 stv090x_get_tmgoffst(struct stv090x_state *state, u32 srate)
2679 {
2680 s32 offst_tmg;
2681
2682 offst_tmg = STV090x_READ_DEMOD(state, TMGREG2) << 16;
2683 offst_tmg |= STV090x_READ_DEMOD(state, TMGREG1) << 8;
2684 offst_tmg |= STV090x_READ_DEMOD(state, TMGREG0);
2685
2686 offst_tmg = comp2(offst_tmg, 24); /* 2's complement */
2687 if (!offst_tmg)
2688 offst_tmg = 1;
2689
2690 offst_tmg = ((s32) srate * 10) / ((s32) 0x1000000 / offst_tmg);
2691 offst_tmg /= 320;
2692
2693 return offst_tmg;
2694 }
2695
2696 static u8 stv090x_optimize_carloop(struct stv090x_state *state, enum stv090x_modcod modcod, s32 pilots)
2697 {
2698 u8 aclc = 0x29;
2699 s32 i;
2700 struct stv090x_long_frame_crloop *car_loop, *car_loop_qpsk_low, *car_loop_apsk_low;
2701
2702 if (state->internal->dev_ver == 0x20) {
2703 car_loop = stv090x_s2_crl_cut20;
2704 car_loop_qpsk_low = stv090x_s2_lowqpsk_crl_cut20;
2705 car_loop_apsk_low = stv090x_s2_apsk_crl_cut20;
2706 } else {
2707 /* >= Cut 3 */
2708 car_loop = stv090x_s2_crl_cut30;
2709 car_loop_qpsk_low = stv090x_s2_lowqpsk_crl_cut30;
2710 car_loop_apsk_low = stv090x_s2_apsk_crl_cut30;
2711 }
2712
2713 if (modcod < STV090x_QPSK_12) {
2714 i = 0;
2715 while ((i < 3) && (modcod != car_loop_qpsk_low[i].modcod))
2716 i++;
2717
2718 if (i >= 3)
2719 i = 2;
2720
2721 } else {
2722 i = 0;
2723 while ((i < 14) && (modcod != car_loop[i].modcod))
2724 i++;
2725
2726 if (i >= 14) {
2727 i = 0;
2728 while ((i < 11) && (modcod != car_loop_apsk_low[i].modcod))
2729 i++;
2730
2731 if (i >= 11)
2732 i = 10;
2733 }
2734 }
2735
2736 if (modcod <= STV090x_QPSK_25) {
2737 if (pilots) {
2738 if (state->srate <= 3000000)
2739 aclc = car_loop_qpsk_low[i].crl_pilots_on_2;
2740 else if (state->srate <= 7000000)
2741 aclc = car_loop_qpsk_low[i].crl_pilots_on_5;
2742 else if (state->srate <= 15000000)
2743 aclc = car_loop_qpsk_low[i].crl_pilots_on_10;
2744 else if (state->srate <= 25000000)
2745 aclc = car_loop_qpsk_low[i].crl_pilots_on_20;
2746 else
2747 aclc = car_loop_qpsk_low[i].crl_pilots_on_30;
2748 } else {
2749 if (state->srate <= 3000000)
2750 aclc = car_loop_qpsk_low[i].crl_pilots_off_2;
2751 else if (state->srate <= 7000000)
2752 aclc = car_loop_qpsk_low[i].crl_pilots_off_5;
2753 else if (state->srate <= 15000000)
2754 aclc = car_loop_qpsk_low[i].crl_pilots_off_10;
2755 else if (state->srate <= 25000000)
2756 aclc = car_loop_qpsk_low[i].crl_pilots_off_20;
2757 else
2758 aclc = car_loop_qpsk_low[i].crl_pilots_off_30;
2759 }
2760
2761 } else if (modcod <= STV090x_8PSK_910) {
2762 if (pilots) {
2763 if (state->srate <= 3000000)
2764 aclc = car_loop[i].crl_pilots_on_2;
2765 else if (state->srate <= 7000000)
2766 aclc = car_loop[i].crl_pilots_on_5;
2767 else if (state->srate <= 15000000)
2768 aclc = car_loop[i].crl_pilots_on_10;
2769 else if (state->srate <= 25000000)
2770 aclc = car_loop[i].crl_pilots_on_20;
2771 else
2772 aclc = car_loop[i].crl_pilots_on_30;
2773 } else {
2774 if (state->srate <= 3000000)
2775 aclc = car_loop[i].crl_pilots_off_2;
2776 else if (state->srate <= 7000000)
2777 aclc = car_loop[i].crl_pilots_off_5;
2778 else if (state->srate <= 15000000)
2779 aclc = car_loop[i].crl_pilots_off_10;
2780 else if (state->srate <= 25000000)
2781 aclc = car_loop[i].crl_pilots_off_20;
2782 else
2783 aclc = car_loop[i].crl_pilots_off_30;
2784 }
2785 } else { /* 16APSK and 32APSK */
2786 /*
2787 * This should never happen in practice, except if
2788 * something is really wrong at the car_loop table.
2789 */
2790 if (i >= 11)
2791 i = 10;
2792 if (state->srate <= 3000000)
2793 aclc = car_loop_apsk_low[i].crl_pilots_on_2;
2794 else if (state->srate <= 7000000)
2795 aclc = car_loop_apsk_low[i].crl_pilots_on_5;
2796 else if (state->srate <= 15000000)
2797 aclc = car_loop_apsk_low[i].crl_pilots_on_10;
2798 else if (state->srate <= 25000000)
2799 aclc = car_loop_apsk_low[i].crl_pilots_on_20;
2800 else
2801 aclc = car_loop_apsk_low[i].crl_pilots_on_30;
2802 }
2803
2804 return aclc;
2805 }
2806
2807 static u8 stv090x_optimize_carloop_short(struct stv090x_state *state)
2808 {
2809 struct stv090x_short_frame_crloop *short_crl = NULL;
2810 s32 index = 0;
2811 u8 aclc = 0x0b;
2812
2813 switch (state->modulation) {
2814 case STV090x_QPSK:
2815 default:
2816 index = 0;
2817 break;
2818 case STV090x_8PSK:
2819 index = 1;
2820 break;
2821 case STV090x_16APSK:
2822 index = 2;
2823 break;
2824 case STV090x_32APSK:
2825 index = 3;
2826 break;
2827 }
2828
2829 if (state->internal->dev_ver >= 0x30) {
2830 /* Cut 3.0 and up */
2831 short_crl = stv090x_s2_short_crl_cut30;
2832 } else {
2833 /* Cut 2.0 and up: we don't support cuts older than 2.0 */
2834 short_crl = stv090x_s2_short_crl_cut20;
2835 }
2836
2837 if (state->srate <= 3000000)
2838 aclc = short_crl[index].crl_2;
2839 else if (state->srate <= 7000000)
2840 aclc = short_crl[index].crl_5;
2841 else if (state->srate <= 15000000)
2842 aclc = short_crl[index].crl_10;
2843 else if (state->srate <= 25000000)
2844 aclc = short_crl[index].crl_20;
2845 else
2846 aclc = short_crl[index].crl_30;
2847
2848 return aclc;
2849 }
2850
2851 static int stv090x_optimize_track(struct stv090x_state *state)
2852 {
2853 struct dvb_frontend *fe = &state->frontend;
2854
2855 enum stv090x_modcod modcod;
2856
2857 s32 srate, pilots, aclc, f_1, f_0, i = 0, blind_tune = 0;
2858 u32 reg;
2859
2860 srate = stv090x_get_srate(state, state->internal->mclk);
2861 srate += stv090x_get_tmgoffst(state, srate);
2862
2863 switch (state->delsys) {
2864 case STV090x_DVBS1:
2865 case STV090x_DSS:
2866 if (state->search_mode == STV090x_SEARCH_AUTO) {
2867 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2868 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
2869 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
2870 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2871 goto err;
2872 }
2873 reg = STV090x_READ_DEMOD(state, DEMOD);
2874 STV090x_SETFIELD_Px(reg, ROLLOFF_CONTROL_FIELD, state->rolloff);
2875 STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 0x01);
2876 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
2877 goto err;
2878
2879 if (state->internal->dev_ver >= 0x30) {
2880 if (stv090x_get_viterbi(state) < 0)
2881 goto err;
2882
2883 if (state->fec == STV090x_PR12) {
2884 if (STV090x_WRITE_DEMOD(state, GAUSSR0, 0x98) < 0)
2885 goto err;
2886 if (STV090x_WRITE_DEMOD(state, CCIR0, 0x18) < 0)
2887 goto err;
2888 } else {
2889 if (STV090x_WRITE_DEMOD(state, GAUSSR0, 0x18) < 0)
2890 goto err;
2891 if (STV090x_WRITE_DEMOD(state, CCIR0, 0x18) < 0)
2892 goto err;
2893 }
2894 }
2895
2896 if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x75) < 0)
2897 goto err;
2898 break;
2899
2900 case STV090x_DVBS2:
2901 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2902 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
2903 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
2904 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2905 goto err;
2906 if (state->internal->dev_ver >= 0x30) {
2907 if (STV090x_WRITE_DEMOD(state, ACLC, 0) < 0)
2908 goto err;
2909 if (STV090x_WRITE_DEMOD(state, BCLC, 0) < 0)
2910 goto err;
2911 }
2912 if (state->frame_len == STV090x_LONG_FRAME) {
2913 reg = STV090x_READ_DEMOD(state, DMDMODCOD);
2914 modcod = STV090x_GETFIELD_Px(reg, DEMOD_MODCOD_FIELD);
2915 pilots = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) & 0x01;
2916 aclc = stv090x_optimize_carloop(state, modcod, pilots);
2917 if (modcod <= STV090x_QPSK_910) {
2918 STV090x_WRITE_DEMOD(state, ACLC2S2Q, aclc);
2919 } else if (modcod <= STV090x_8PSK_910) {
2920 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2921 goto err;
2922 if (STV090x_WRITE_DEMOD(state, ACLC2S28, aclc) < 0)
2923 goto err;
2924 }
2925 if ((state->demod_mode == STV090x_SINGLE) && (modcod > STV090x_8PSK_910)) {
2926 if (modcod <= STV090x_16APSK_910) {
2927 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2928 goto err;
2929 if (STV090x_WRITE_DEMOD(state, ACLC2S216A, aclc) < 0)
2930 goto err;
2931 } else {
2932 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2933 goto err;
2934 if (STV090x_WRITE_DEMOD(state, ACLC2S232A, aclc) < 0)
2935 goto err;
2936 }
2937 }
2938 } else {
2939 /*Carrier loop setting for short frame*/
2940 aclc = stv090x_optimize_carloop_short(state);
2941 if (state->modulation == STV090x_QPSK) {
2942 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, aclc) < 0)
2943 goto err;
2944 } else if (state->modulation == STV090x_8PSK) {
2945 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2946 goto err;
2947 if (STV090x_WRITE_DEMOD(state, ACLC2S28, aclc) < 0)
2948 goto err;
2949 } else if (state->modulation == STV090x_16APSK) {
2950 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2951 goto err;
2952 if (STV090x_WRITE_DEMOD(state, ACLC2S216A, aclc) < 0)
2953 goto err;
2954 } else if (state->modulation == STV090x_32APSK) {
2955 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2956 goto err;
2957 if (STV090x_WRITE_DEMOD(state, ACLC2S232A, aclc) < 0)
2958 goto err;
2959 }
2960 }
2961
2962 STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x67); /* PER */
2963 break;
2964
2965 case STV090x_ERROR:
2966 default:
2967 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2968 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
2969 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
2970 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2971 goto err;
2972 break;
2973 }
2974
2975 f_1 = STV090x_READ_DEMOD(state, CFR2);
2976 f_0 = STV090x_READ_DEMOD(state, CFR1);
2977 reg = STV090x_READ_DEMOD(state, TMGOBS);
2978
2979 if (state->algo == STV090x_BLIND_SEARCH) {
2980 STV090x_WRITE_DEMOD(state, SFRSTEP, 0x00);
2981 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2982 STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0x00);
2983 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00);
2984 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2985 goto err;
2986 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0)
2987 goto err;
2988
2989 if (stv090x_set_srate(state, srate) < 0)
2990 goto err;
2991 blind_tune = 1;
2992
2993 if (stv090x_dvbs_track_crl(state) < 0)
2994 goto err;
2995 }
2996
2997 if (state->internal->dev_ver >= 0x20) {
2998 if ((state->search_mode == STV090x_SEARCH_DVBS1) ||
2999 (state->search_mode == STV090x_SEARCH_DSS) ||
3000 (state->search_mode == STV090x_SEARCH_AUTO)) {
3001
3002 if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x0a) < 0)
3003 goto err;
3004 if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x00) < 0)
3005 goto err;
3006 }
3007 }
3008
3009 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
3010 goto err;
3011
3012 /* AUTO tracking MODE */
3013 if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x80) < 0)
3014 goto err;
3015 /* AUTO tracking MODE */
3016 if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x80) < 0)
3017 goto err;
3018
3019 if ((state->internal->dev_ver >= 0x20) || (blind_tune == 1) ||
3020 (state->srate < 10000000)) {
3021 /* update initial carrier freq with the found freq offset */
3022 if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
3023 goto err;
3024 if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
3025 goto err;
3026 state->tuner_bw = stv090x_car_width(srate, state->rolloff) + 10000000;
3027
3028 if ((state->internal->dev_ver >= 0x20) || (blind_tune == 1)) {
3029
3030 if (state->algo != STV090x_WARM_SEARCH) {
3031
3032 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
3033 goto err;
3034
3035 if (state->config->tuner_set_bandwidth) {
3036 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
3037 goto err_gateoff;
3038 }
3039
3040 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
3041 goto err;
3042
3043 }
3044 }
3045 if ((state->algo == STV090x_BLIND_SEARCH) || (state->srate < 10000000))
3046 msleep(50); /* blind search: wait 50ms for SR stabilization */
3047 else
3048 msleep(5);
3049
3050 stv090x_get_lock_tmg(state);
3051
3052 if (!(stv090x_get_dmdlock(state, (state->DemodTimeout / 2)))) {
3053 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
3054 goto err;
3055 if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
3056 goto err;
3057 if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
3058 goto err;
3059 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
3060 goto err;
3061
3062 i = 0;
3063
3064 while ((!(stv090x_get_dmdlock(state, (state->DemodTimeout / 2)))) && (i <= 2)) {
3065
3066 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
3067 goto err;
3068 if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
3069 goto err;
3070 if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
3071 goto err;
3072 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
3073 goto err;
3074 i++;
3075 }
3076 }
3077
3078 }
3079
3080 if (state->internal->dev_ver >= 0x20) {
3081 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
3082 goto err;
3083 }
3084
3085 if ((state->delsys == STV090x_DVBS1) || (state->delsys == STV090x_DSS))
3086 stv090x_set_vit_thtracq(state);
3087
3088 return 0;
3089
3090 err_gateoff:
3091 stv090x_i2c_gate_ctrl(state, 0);
3092 err:
3093 dprintk(FE_ERROR, 1, "I/O error");
3094 return -1;
3095 }
3096
3097 static int stv090x_get_feclock(struct stv090x_state *state, s32 timeout)
3098 {
3099 s32 timer = 0, lock = 0, stat;
3100 u32 reg;
3101
3102 while ((timer < timeout) && (!lock)) {
3103 reg = STV090x_READ_DEMOD(state, DMDSTATE);
3104 stat = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
3105
3106 switch (stat) {
3107 case 0: /* searching */
3108 case 1: /* first PLH detected */
3109 default:
3110 lock = 0;
3111 break;
3112
3113 case 2: /* DVB-S2 mode */
3114 reg = STV090x_READ_DEMOD(state, PDELSTATUS1);
3115 lock = STV090x_GETFIELD_Px(reg, PKTDELIN_LOCK_FIELD);
3116 break;
3117
3118 case 3: /* DVB-S1/legacy mode */
3119 reg = STV090x_READ_DEMOD(state, VSTATUSVIT);
3120 lock = STV090x_GETFIELD_Px(reg, LOCKEDVIT_FIELD);
3121 break;
3122 }
3123 if (!lock) {
3124 msleep(10);
3125 timer += 10;
3126 }
3127 }
3128 return lock;
3129 }
3130
3131 static int stv090x_get_lock(struct stv090x_state *state, s32 timeout_dmd, s32 timeout_fec)
3132 {
3133 u32 reg;
3134 s32 timer = 0;
3135 int lock;
3136
3137 lock = stv090x_get_dmdlock(state, timeout_dmd);
3138 if (lock)
3139 lock = stv090x_get_feclock(state, timeout_fec);
3140
3141 if (lock) {
3142 lock = 0;
3143
3144 while ((timer < timeout_fec) && (!lock)) {
3145 reg = STV090x_READ_DEMOD(state, TSSTATUS);
3146 lock = STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD);
3147 msleep(1);
3148 timer++;
3149 }
3150 }
3151
3152 return lock;
3153 }
3154
3155 static int stv090x_set_s2rolloff(struct stv090x_state *state)
3156 {
3157 u32 reg;
3158
3159 if (state->internal->dev_ver <= 0x20) {
3160 /* rolloff to auto mode if DVBS2 */
3161 reg = STV090x_READ_DEMOD(state, DEMOD);
3162 STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 0x00);
3163 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
3164 goto err;
3165 } else {
3166 /* DVB-S2 rolloff to auto mode if DVBS2 */
3167 reg = STV090x_READ_DEMOD(state, DEMOD);
3168 STV090x_SETFIELD_Px(reg, MANUAL_S2ROLLOFF_FIELD, 0x00);
3169 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
3170 goto err;
3171 }
3172 return 0;
3173 err:
3174 dprintk(FE_ERROR, 1, "I/O error");
3175 return -1;
3176 }
3177
3178
3179 static enum stv090x_signal_state stv090x_algo(struct stv090x_state *state)
3180 {
3181 struct dvb_frontend *fe = &state->frontend;
3182 enum stv090x_signal_state signal_state = STV090x_NOCARRIER;
3183 u32 reg;
3184 s32 agc1_power, power_iq = 0, i;
3185 int lock = 0, low_sr = 0;
3186
3187 reg = STV090x_READ_DEMOD(state, TSCFGH);
3188 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 1); /* Stop path 1 stream merger */
3189 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3190 goto err;
3191
3192 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5c) < 0) /* Demod stop */
3193 goto err;
3194
3195 if (state->internal->dev_ver >= 0x20) {
3196 if (state->srate > 5000000) {
3197 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x9e) < 0)
3198 goto err;
3199 } else {
3200 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x82) < 0)
3201 goto err;
3202 }
3203 }
3204
3205 stv090x_get_lock_tmg(state);
3206
3207 if (state->algo == STV090x_BLIND_SEARCH) {
3208 state->tuner_bw = 2 * 36000000; /* wide bw for unknown srate */
3209 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc0) < 0) /* wider srate scan */
3210 goto err;
3211 if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x70) < 0)
3212 goto err;
3213 if (stv090x_set_srate(state, 1000000) < 0) /* initial srate = 1Msps */
3214 goto err;
3215 } else {
3216 /* known srate */
3217 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x20) < 0)
3218 goto err;
3219 if (STV090x_WRITE_DEMOD(state, TMGCFG, 0xd2) < 0)
3220 goto err;
3221
3222 if (state->srate < 2000000) {
3223 /* SR < 2MSPS */
3224 if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x63) < 0)
3225 goto err;
3226 } else {
3227 /* SR >= 2Msps */
3228 if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x70) < 0)
3229 goto err;
3230 }
3231
3232 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
3233 goto err;
3234
3235 if (state->internal->dev_ver >= 0x20) {
3236 if (STV090x_WRITE_DEMOD(state, KREFTMG, 0x5a) < 0)
3237 goto err;
3238 if (state->algo == STV090x_COLD_SEARCH)
3239 state->tuner_bw = (15 * (stv090x_car_width(state->srate, state->rolloff) + 10000000)) / 10;
3240 else if (state->algo == STV090x_WARM_SEARCH)
3241 state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + 10000000;
3242 }
3243
3244 /* if cold start or warm (Symbolrate is known)
3245 * use a Narrow symbol rate scan range
3246 */
3247 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0) /* narrow srate scan */
3248 goto err;
3249
3250 if (stv090x_set_srate(state, state->srate) < 0)
3251 goto err;
3252
3253 if (stv090x_set_max_srate(state, state->internal->mclk,
3254 state->srate) < 0)
3255 goto err;
3256 if (stv090x_set_min_srate(state, state->internal->mclk,
3257 state->srate) < 0)
3258 goto err;
3259
3260 if (state->srate >= 10000000)
3261 low_sr = 0;
3262 else
3263 low_sr = 1;
3264 }
3265
3266 /* Setup tuner */
3267 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
3268 goto err;
3269
3270 if (state->config->tuner_set_bbgain) {
3271 reg = state->config->tuner_bbgain;
3272 if (reg == 0)
3273 reg = 10; /* default: 10dB */
3274 if (state->config->tuner_set_bbgain(fe, reg) < 0)
3275 goto err_gateoff;
3276 }
3277
3278 if (state->config->tuner_set_frequency) {
3279 if (state->config->tuner_set_frequency(fe, state->frequency) < 0)
3280 goto err_gateoff;
3281 }
3282
3283 if (state->config->tuner_set_bandwidth) {
3284 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
3285 goto err_gateoff;
3286 }
3287
3288 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
3289 goto err;
3290
3291 msleep(50);
3292
3293 if (state->config->tuner_get_status) {
3294 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
3295 goto err;
3296 if (state->config->tuner_get_status(fe, &reg) < 0)
3297 goto err_gateoff;
3298 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
3299 goto err;
3300
3301 if (reg)
3302 dprintk(FE_DEBUG, 1, "Tuner phase locked");
3303 else {
3304 dprintk(FE_DEBUG, 1, "Tuner unlocked");
3305 return STV090x_NOCARRIER;
3306 }
3307 }
3308
3309 msleep(10);
3310 agc1_power = MAKEWORD16(STV090x_READ_DEMOD(state, AGCIQIN1),
3311 STV090x_READ_DEMOD(state, AGCIQIN0));
3312
3313 if (agc1_power == 0) {
3314 /* If AGC1 integrator value is 0
3315 * then read POWERI, POWERQ
3316 */
3317 for (i = 0; i < 5; i++) {
3318 power_iq += (STV090x_READ_DEMOD(state, POWERI) +
3319 STV090x_READ_DEMOD(state, POWERQ)) >> 1;
3320 }
3321 power_iq /= 5;
3322 }
3323
3324 if ((agc1_power == 0) && (power_iq < STV090x_IQPOWER_THRESHOLD)) {
3325 dprintk(FE_ERROR, 1, "No Signal: POWER_IQ=0x%02x", power_iq);
3326 lock = 0;
3327 signal_state = STV090x_NOAGC1;
3328 } else {
3329 reg = STV090x_READ_DEMOD(state, DEMOD);
3330 STV090x_SETFIELD_Px(reg, SPECINV_CONTROL_FIELD, state->inversion);
3331
3332 if (state->internal->dev_ver <= 0x20) {
3333 /* rolloff to auto mode if DVBS2 */
3334 STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 1);
3335 } else {
3336 /* DVB-S2 rolloff to auto mode if DVBS2 */
3337 STV090x_SETFIELD_Px(reg, MANUAL_S2ROLLOFF_FIELD, 1);
3338 }
3339 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
3340 goto err;
3341
3342 if (stv090x_delivery_search(state) < 0)
3343 goto err;
3344
3345 if (state->algo != STV090x_BLIND_SEARCH) {
3346 if (stv090x_start_search(state) < 0)
3347 goto err;
3348 }
3349 }
3350
3351 if (signal_state == STV090x_NOAGC1)
3352 return signal_state;
3353
3354 if (state->algo == STV090x_BLIND_SEARCH)
3355 lock = stv090x_blind_search(state);
3356
3357 else if (state->algo == STV090x_COLD_SEARCH)
3358 lock = stv090x_get_coldlock(state, state->DemodTimeout);
3359
3360 else if (state->algo == STV090x_WARM_SEARCH)
3361 lock = stv090x_get_dmdlock(state, state->DemodTimeout);
3362
3363 if ((!lock) && (state->algo == STV090x_COLD_SEARCH)) {
3364 if (!low_sr) {
3365 if (stv090x_chk_tmg(state))
3366 lock = stv090x_sw_algo(state);
3367 }
3368 }
3369
3370 if (lock)
3371 signal_state = stv090x_get_sig_params(state);
3372
3373 if ((lock) && (signal_state == STV090x_RANGEOK)) { /* signal within Range */
3374 stv090x_optimize_track(state);
3375
3376 if (state->internal->dev_ver >= 0x20) {
3377 /* >= Cut 2.0 :release TS reset after
3378 * demod lock and optimized Tracking
3379 */
3380 reg = STV090x_READ_DEMOD(state, TSCFGH);
3381 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0); /* release merger reset */
3382 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3383 goto err;
3384
3385 msleep(3);
3386
3387 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 1); /* merger reset */
3388 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3389 goto err;
3390
3391 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0); /* release merger reset */
3392 if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3393 goto err;
3394 }
3395
3396 lock = stv090x_get_lock(state, state->FecTimeout,
3397 state->FecTimeout);
3398 if (lock) {
3399 if (state->delsys == STV090x_DVBS2) {
3400 stv090x_set_s2rolloff(state);
3401
3402 reg = STV090x_READ_DEMOD(state, PDELCTRL2);
3403 STV090x_SETFIELD_Px(reg, RESET_UPKO_COUNT, 1);
3404 if (STV090x_WRITE_DEMOD(state, PDELCTRL2, reg) < 0)
3405 goto err;
3406 /* Reset DVBS2 packet delinator error counter */
3407 reg = STV090x_READ_DEMOD(state, PDELCTRL2);
3408 STV090x_SETFIELD_Px(reg, RESET_UPKO_COUNT, 0);
3409 if (STV090x_WRITE_DEMOD(state, PDELCTRL2, reg) < 0)
3410 goto err;
3411
3412 if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x67) < 0) /* PER */
3413 goto err;
3414 } else {
3415 if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x75) < 0)
3416 goto err;
3417 }
3418 /* Reset the Total packet counter */
3419 if (STV090x_WRITE_DEMOD(state, FBERCPT4, 0x00) < 0)
3420 goto err;
3421 /* Reset the packet Error counter2 */
3422 if (STV090x_WRITE_DEMOD(state, ERRCTRL2, 0xc1) < 0)
3423 goto err;
3424 } else {
3425 signal_state = STV090x_NODATA;
3426 stv090x_chk_signal(state);
3427 }
3428 }
3429 return signal_state;
3430
3431 err_gateoff:
3432 stv090x_i2c_gate_ctrl(state, 0);
3433 err:
3434 dprintk(FE_ERROR, 1, "I/O error");
3435 return -1;
3436 }
3437
3438 static int stv090x_set_mis(struct stv090x_state *state, int mis)
3439 {
3440 u32 reg;
3441
3442 if (mis < 0 || mis > 255) {
3443 dprintk(FE_DEBUG, 1, "Disable MIS filtering");
3444 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
3445 STV090x_SETFIELD_Px(reg, FILTER_EN_FIELD, 0x00);
3446 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
3447 goto err;
3448 } else {
3449 dprintk(FE_DEBUG, 1, "Enable MIS filtering - %d", mis);
3450 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
3451 STV090x_SETFIELD_Px(reg, FILTER_EN_FIELD, 0x01);
3452 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
3453 goto err;
3454 if (STV090x_WRITE_DEMOD(state, ISIENTRY, mis) < 0)
3455 goto err;
3456 if (STV090x_WRITE_DEMOD(state, ISIBITENA, 0xff) < 0)
3457 goto err;
3458 }
3459 return 0;
3460 err:
3461 dprintk(FE_ERROR, 1, "I/O error");
3462 return -1;
3463 }
3464
3465 static enum dvbfe_search stv090x_search(struct dvb_frontend *fe)
3466 {
3467 struct stv090x_state *state = fe->demodulator_priv;
3468 struct dtv_frontend_properties *props = &fe->dtv_property_cache;
3469
3470 if (props->frequency == 0)
3471 return DVBFE_ALGO_SEARCH_INVALID;
3472
3473 switch (props->delivery_system) {
3474 case SYS_DSS:
3475 state->delsys = STV090x_DSS;
3476 break;
3477 case SYS_DVBS:
3478 state->delsys = STV090x_DVBS1;
3479 break;
3480 case SYS_DVBS2:
3481 state->delsys = STV090x_DVBS2;
3482 break;
3483 default:
3484 return DVBFE_ALGO_SEARCH_INVALID;
3485 }
3486
3487 state->frequency = props->frequency;
3488 state->srate = props->symbol_rate;
3489 state->search_mode = STV090x_SEARCH_AUTO;
3490 state->algo = STV090x_COLD_SEARCH;
3491 state->fec = STV090x_PRERR;
3492 if (state->srate > 10000000) {
3493 dprintk(FE_DEBUG, 1, "Search range: 10 MHz");
3494 state->search_range = 10000000;
3495 } else {
3496 dprintk(FE_DEBUG, 1, "Search range: 5 MHz");
3497 state->search_range = 5000000;
3498 }
3499
3500 stv090x_set_mis(state, props->stream_id);
3501
3502 if (stv090x_algo(state) == STV090x_RANGEOK) {
3503 dprintk(FE_DEBUG, 1, "Search success!");
3504 return DVBFE_ALGO_SEARCH_SUCCESS;
3505 } else {
3506 dprintk(FE_DEBUG, 1, "Search failed!");
3507 return DVBFE_ALGO_SEARCH_FAILED;
3508 }
3509
3510 return DVBFE_ALGO_SEARCH_ERROR;
3511 }
3512
3513 static int stv090x_read_status(struct dvb_frontend *fe, enum fe_status *status)
3514 {
3515 struct stv090x_state *state = fe->demodulator_priv;
3516 u32 reg, dstatus;
3517 u8 search_state;
3518
3519 *status = 0;
3520
3521 dstatus = STV090x_READ_DEMOD(state, DSTATUS);
3522 if (STV090x_GETFIELD_Px(dstatus, CAR_LOCK_FIELD))
3523 *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER;
3524
3525 reg = STV090x_READ_DEMOD(state, DMDSTATE);
3526 search_state = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
3527
3528 switch (search_state) {
3529 case 0: /* searching */
3530 case 1: /* first PLH detected */
3531 default:
3532 dprintk(FE_DEBUG, 1, "Status: Unlocked (Searching ..)");
3533 break;
3534
3535 case 2: /* DVB-S2 mode */
3536 dprintk(FE_DEBUG, 1, "Delivery system: DVB-S2");
3537 if (STV090x_GETFIELD_Px(dstatus, LOCK_DEFINITIF_FIELD)) {
3538 reg = STV090x_READ_DEMOD(state, PDELSTATUS1);
3539 if (STV090x_GETFIELD_Px(reg, PKTDELIN_LOCK_FIELD)) {
3540 *status |= FE_HAS_VITERBI;
3541 reg = STV090x_READ_DEMOD(state, TSSTATUS);
3542 if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD))
3543 *status |= FE_HAS_SYNC | FE_HAS_LOCK;
3544 }
3545 }
3546 break;
3547
3548 case 3: /* DVB-S1/legacy mode */
3549 dprintk(FE_DEBUG, 1, "Delivery system: DVB-S");
3550 if (STV090x_GETFIELD_Px(dstatus, LOCK_DEFINITIF_FIELD)) {
3551 reg = STV090x_READ_DEMOD(state, VSTATUSVIT);
3552 if (STV090x_GETFIELD_Px(reg, LOCKEDVIT_FIELD)) {
3553 *status |= FE_HAS_VITERBI;
3554 reg = STV090x_READ_DEMOD(state, TSSTATUS);
3555 if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD))
3556 *status |= FE_HAS_SYNC | FE_HAS_LOCK;
3557 }
3558 }
3559 break;
3560 }
3561
3562 return 0;
3563 }
3564
3565 static int stv090x_read_per(struct dvb_frontend *fe, u32 *per)
3566 {
3567 struct stv090x_state *state = fe->demodulator_priv;
3568
3569 s32 count_4, count_3, count_2, count_1, count_0, count;
3570 u32 reg, h, m, l;
3571 enum fe_status status;
3572
3573 stv090x_read_status(fe, &status);
3574 if (!(status & FE_HAS_LOCK)) {
3575 *per = 1 << 23; /* Max PER */
3576 } else {
3577 /* Counter 2 */
3578 reg = STV090x_READ_DEMOD(state, ERRCNT22);
3579 h = STV090x_GETFIELD_Px(reg, ERR_CNT2_FIELD);
3580
3581 reg = STV090x_READ_DEMOD(state, ERRCNT21);
3582 m = STV090x_GETFIELD_Px(reg, ERR_CNT21_FIELD);
3583
3584 reg = STV090x_READ_DEMOD(state, ERRCNT20);
3585 l = STV090x_GETFIELD_Px(reg, ERR_CNT20_FIELD);
3586
3587 *per = ((h << 16) | (m << 8) | l);
3588
3589 count_4 = STV090x_READ_DEMOD(state, FBERCPT4);
3590 count_3 = STV090x_READ_DEMOD(state, FBERCPT3);
3591 count_2 = STV090x_READ_DEMOD(state, FBERCPT2);
3592 count_1 = STV090x_READ_DEMOD(state, FBERCPT1);
3593 count_0 = STV090x_READ_DEMOD(state, FBERCPT0);
3594
3595 if ((!count_4) && (!count_3)) {
3596 count = (count_2 & 0xff) << 16;
3597 count |= (count_1 & 0xff) << 8;
3598 count |= count_0 & 0xff;
3599 } else {
3600 count = 1 << 24;
3601 }
3602 if (count == 0)
3603 *per = 1;
3604 }
3605 if (STV090x_WRITE_DEMOD(state, FBERCPT4, 0) < 0)
3606 goto err;
3607 if (STV090x_WRITE_DEMOD(state, ERRCTRL2, 0xc1) < 0)
3608 goto err;
3609
3610 return 0;
3611 err:
3612 dprintk(FE_ERROR, 1, "I/O error");
3613 return -1;
3614 }
3615
3616 static int stv090x_table_lookup(const struct stv090x_tab *tab, int max, int val)
3617 {
3618 int res = 0;
3619 int min = 0, med;
3620
3621 if ((val >= tab[min].read && val < tab[max].read) ||
3622 (val >= tab[max].read && val < tab[min].read)) {
3623 while ((max - min) > 1) {
3624 med = (max + min) / 2;
3625 if ((val >= tab[min].read && val < tab[med].read) ||
3626 (val >= tab[med].read && val < tab[min].read))
3627 max = med;
3628 else
3629 min = med;
3630 }
3631 res = ((val - tab[min].read) *
3632 (tab[max].real - tab[min].real) /
3633 (tab[max].read - tab[min].read)) +
3634 tab[min].real;
3635 } else {
3636 if (tab[min].read < tab[max].read) {
3637 if (val < tab[min].read)
3638 res = tab[min].real;
3639 else if (val >= tab[max].read)
3640 res = tab[max].real;
3641 } else {
3642 if (val >= tab[min].read)
3643 res = tab[min].real;
3644 else if (val < tab[max].read)
3645 res = tab[max].real;
3646 }
3647 }
3648
3649 return res;
3650 }
3651
3652 static int stv090x_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
3653 {
3654 struct stv090x_state *state = fe->demodulator_priv;
3655 u32 reg;
3656 s32 agc_0, agc_1, agc;
3657 s32 str;
3658
3659 reg = STV090x_READ_DEMOD(state, AGCIQIN1);
3660 agc_1 = STV090x_GETFIELD_Px(reg, AGCIQ_VALUE_FIELD);
3661 reg = STV090x_READ_DEMOD(state, AGCIQIN0);
3662 agc_0 = STV090x_GETFIELD_Px(reg, AGCIQ_VALUE_FIELD);
3663 agc = MAKEWORD16(agc_1, agc_0);
3664
3665 str = stv090x_table_lookup(stv090x_rf_tab,
3666 ARRAY_SIZE(stv090x_rf_tab) - 1, agc);
3667 if (agc > stv090x_rf_tab[0].read)
3668 str = 0;
3669 else if (agc < stv090x_rf_tab[ARRAY_SIZE(stv090x_rf_tab) - 1].read)
3670 str = -100;
3671 *strength = (str + 100) * 0xFFFF / 100;
3672
3673 return 0;
3674 }
3675
3676 static int stv090x_read_cnr(struct dvb_frontend *fe, u16 *cnr)
3677 {
3678 struct stv090x_state *state = fe->demodulator_priv;
3679 u32 reg_0, reg_1, reg, i;
3680 s32 val_0, val_1, val = 0;
3681 u8 lock_f;
3682 s32 div;
3683 u32 last;
3684
3685 switch (state->delsys) {
3686 case STV090x_DVBS2:
3687 reg = STV090x_READ_DEMOD(state, DSTATUS);
3688 lock_f = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
3689 if (lock_f) {
3690 msleep(5);
3691 for (i = 0; i < 16; i++) {
3692 reg_1 = STV090x_READ_DEMOD(state, NNOSPLHT1);
3693 val_1 = STV090x_GETFIELD_Px(reg_1, NOSPLHT_NORMED_FIELD);
3694 reg_0 = STV090x_READ_DEMOD(state, NNOSPLHT0);
3695 val_0 = STV090x_GETFIELD_Px(reg_0, NOSPLHT_NORMED_FIELD);
3696 val += MAKEWORD16(val_1, val_0);
3697 msleep(1);
3698 }
3699 val /= 16;
3700 last = ARRAY_SIZE(stv090x_s2cn_tab) - 1;
3701 div = stv090x_s2cn_tab[0].read -
3702 stv090x_s2cn_tab[last].read;
3703 *cnr = 0xFFFF - ((val * 0xFFFF) / div);
3704 }
3705 break;
3706
3707 case STV090x_DVBS1:
3708 case STV090x_DSS:
3709 reg = STV090x_READ_DEMOD(state, DSTATUS);
3710 lock_f = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
3711 if (lock_f) {
3712 msleep(5);
3713 for (i = 0; i < 16; i++) {
3714 reg_1 = STV090x_READ_DEMOD(state, NOSDATAT1);
3715 val_1 = STV090x_GETFIELD_Px(reg_1, NOSDATAT_UNNORMED_FIELD);
3716 reg_0 = STV090x_READ_DEMOD(state, NOSDATAT0);
3717 val_0 = STV090x_GETFIELD_Px(reg_0, NOSDATAT_UNNORMED_FIELD);
3718 val += MAKEWORD16(val_1, val_0);
3719 msleep(1);
3720 }
3721 val /= 16;
3722 last = ARRAY_SIZE(stv090x_s1cn_tab) - 1;
3723 div = stv090x_s1cn_tab[0].read -
3724 stv090x_s1cn_tab[last].read;
3725 *cnr = 0xFFFF - ((val * 0xFFFF) / div);
3726 }
3727 break;
3728 default:
3729 break;
3730 }
3731
3732 return 0;
3733 }
3734
3735 static int stv090x_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
3736 {
3737 struct stv090x_state *state = fe->demodulator_priv;
3738 u32 reg;
3739
3740 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3741 switch (tone) {
3742 case SEC_TONE_ON:
3743 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 0);
3744 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3745 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3746 goto err;
3747 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
3748 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3749 goto err;
3750 break;
3751
3752 case SEC_TONE_OFF:
3753 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 0);
3754 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3755 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3756 goto err;
3757 break;
3758 default:
3759 return -EINVAL;
3760 }
3761
3762 return 0;
3763 err:
3764 dprintk(FE_ERROR, 1, "I/O error");
3765 return -1;
3766 }
3767
3768
3769 static enum dvbfe_algo stv090x_frontend_algo(struct dvb_frontend *fe)
3770 {
3771 return DVBFE_ALGO_CUSTOM;
3772 }
3773
3774 static int stv090x_send_diseqc_msg(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
3775 {
3776 struct stv090x_state *state = fe->demodulator_priv;
3777 u32 reg, idle = 0, fifo_full = 1;
3778 int i;
3779
3780 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3781
3782 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD,
3783 (state->config->diseqc_envelope_mode) ? 4 : 2);
3784 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3785 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3786 goto err;
3787 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
3788 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3789 goto err;
3790
3791 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 1);
3792 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3793 goto err;
3794
3795 for (i = 0; i < cmd->msg_len; i++) {
3796
3797 while (fifo_full) {
3798 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3799 fifo_full = STV090x_GETFIELD_Px(reg, FIFO_FULL_FIELD);
3800 }
3801
3802 if (STV090x_WRITE_DEMOD(state, DISTXDATA, cmd->msg[i]) < 0)
3803 goto err;
3804 }
3805 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3806 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 0);
3807 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3808 goto err;
3809
3810 i = 0;
3811
3812 while ((!idle) && (i < 10)) {
3813 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3814 idle = STV090x_GETFIELD_Px(reg, TX_IDLE_FIELD);
3815 msleep(10);
3816 i++;
3817 }
3818
3819 return 0;
3820 err:
3821 dprintk(FE_ERROR, 1, "I/O error");
3822 return -1;
3823 }
3824
3825 static int stv090x_send_diseqc_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t burst)
3826 {
3827 struct stv090x_state *state = fe->demodulator_priv;
3828 u32 reg, idle = 0, fifo_full = 1;
3829 u8 mode, value;
3830 int i;
3831
3832 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3833
3834 if (burst == SEC_MINI_A) {
3835 mode = (state->config->diseqc_envelope_mode) ? 5 : 3;
3836 value = 0x00;
3837 } else {
3838 mode = (state->config->diseqc_envelope_mode) ? 4 : 2;
3839 value = 0xFF;
3840 }
3841
3842 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, mode);
3843 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3844 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3845 goto err;
3846 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
3847 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3848 goto err;
3849
3850 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 1);
3851 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3852 goto err;
3853
3854 while (fifo_full) {
3855 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3856 fifo_full = STV090x_GETFIELD_Px(reg, FIFO_FULL_FIELD);
3857 }
3858
3859 if (STV090x_WRITE_DEMOD(state, DISTXDATA, value) < 0)
3860 goto err;
3861
3862 reg = STV090x_READ_DEMOD(state, DISTXCTL);
3863 STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 0);
3864 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3865 goto err;
3866
3867 i = 0;
3868
3869 while ((!idle) && (i < 10)) {
3870 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3871 idle = STV090x_GETFIELD_Px(reg, TX_IDLE_FIELD);
3872 msleep(10);
3873 i++;
3874 }
3875
3876 return 0;
3877 err:
3878 dprintk(FE_ERROR, 1, "I/O error");
3879 return -1;
3880 }
3881
3882 static int stv090x_recv_slave_reply(struct dvb_frontend *fe, struct dvb_diseqc_slave_reply *reply)
3883 {
3884 struct stv090x_state *state = fe->demodulator_priv;
3885 u32 reg = 0, i = 0, rx_end = 0;
3886
3887 while ((rx_end != 1) && (i < 10)) {
3888 msleep(10);
3889 i++;
3890 reg = STV090x_READ_DEMOD(state, DISRX_ST0);
3891 rx_end = STV090x_GETFIELD_Px(reg, RX_END_FIELD);
3892 }
3893
3894 if (rx_end) {
3895 reply->msg_len = STV090x_GETFIELD_Px(reg, FIFO_BYTENBR_FIELD);
3896 for (i = 0; i < reply->msg_len; i++)
3897 reply->msg[i] = STV090x_READ_DEMOD(state, DISRXDATA);
3898 }
3899
3900 return 0;
3901 }
3902
3903 static int stv090x_sleep(struct dvb_frontend *fe)
3904 {
3905 struct stv090x_state *state = fe->demodulator_priv;
3906 u32 reg;
3907 u8 full_standby = 0;
3908
3909 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
3910 goto err;
3911
3912 if (state->config->tuner_sleep) {
3913 if (state->config->tuner_sleep(fe) < 0)
3914 goto err_gateoff;
3915 }
3916
3917 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
3918 goto err;
3919
3920 dprintk(FE_DEBUG, 1, "Set %s(%d) to sleep",
3921 state->device == STV0900 ? "STV0900" : "STV0903",
3922 state->demod);
3923
3924 mutex_lock(&state->internal->demod_lock);
3925
3926 switch (state->demod) {
3927 case STV090x_DEMODULATOR_0:
3928 /* power off ADC 1 */
3929 reg = stv090x_read_reg(state, STV090x_TSTTNR1);
3930 STV090x_SETFIELD(reg, ADC1_PON_FIELD, 0);
3931 if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
3932 goto err_unlock;
3933 /* power off DiSEqC 1 */
3934 reg = stv090x_read_reg(state, STV090x_TSTTNR2);
3935 STV090x_SETFIELD(reg, DISEQC1_PON_FIELD, 0);
3936 if (stv090x_write_reg(state, STV090x_TSTTNR2, reg) < 0)
3937 goto err_unlock;
3938
3939 /* check whether path 2 is already sleeping, that is when
3940 ADC2 is off */
3941 reg = stv090x_read_reg(state, STV090x_TSTTNR3);
3942 if (STV090x_GETFIELD(reg, ADC2_PON_FIELD) == 0)
3943 full_standby = 1;
3944
3945 /* stop clocks */
3946 reg = stv090x_read_reg(state, STV090x_STOPCLK1);
3947 /* packet delineator 1 clock */
3948 STV090x_SETFIELD(reg, STOP_CLKPKDT1_FIELD, 1);
3949 /* ADC 1 clock */
3950 STV090x_SETFIELD(reg, STOP_CLKADCI1_FIELD, 1);
3951 /* FEC clock is shared between the two paths, only stop it
3952 when full standby is possible */
3953 if (full_standby)
3954 STV090x_SETFIELD(reg, STOP_CLKFEC_FIELD, 1);
3955 if (stv090x_write_reg(state, STV090x_STOPCLK1, reg) < 0)
3956 goto err_unlock;
3957 reg = stv090x_read_reg(state, STV090x_STOPCLK2);
3958 /* sampling 1 clock */
3959 STV090x_SETFIELD(reg, STOP_CLKSAMP1_FIELD, 1);
3960 /* viterbi 1 clock */
3961 STV090x_SETFIELD(reg, STOP_CLKVIT1_FIELD, 1);
3962 /* TS clock is shared between the two paths, only stop it
3963 when full standby is possible */
3964 if (full_standby)
3965 STV090x_SETFIELD(reg, STOP_CLKTS_FIELD, 1);
3966 if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
3967 goto err_unlock;
3968 break;
3969
3970 case STV090x_DEMODULATOR_1:
3971 /* power off ADC 2 */
3972 reg = stv090x_read_reg(state, STV090x_TSTTNR3);
3973 STV090x_SETFIELD(reg, ADC2_PON_FIELD, 0);
3974 if (stv090x_write_reg(state, STV090x_TSTTNR3, reg) < 0)
3975 goto err_unlock;
3976 /* power off DiSEqC 2 */
3977 reg = stv090x_read_reg(state, STV090x_TSTTNR4);
3978 STV090x_SETFIELD(reg, DISEQC2_PON_FIELD, 0);
3979 if (stv090x_write_reg(state, STV090x_TSTTNR4, reg) < 0)
3980 goto err_unlock;
3981
3982 /* check whether path 1 is already sleeping, that is when
3983 ADC1 is off */
3984 reg = stv090x_read_reg(state, STV090x_TSTTNR1);
3985 if (STV090x_GETFIELD(reg, ADC1_PON_FIELD) == 0)
3986 full_standby = 1;
3987
3988 /* stop clocks */
3989 reg = stv090x_read_reg(state, STV090x_STOPCLK1);
3990 /* packet delineator 2 clock */
3991 STV090x_SETFIELD(reg, STOP_CLKPKDT2_FIELD, 1);
3992 /* ADC 2 clock */
3993 STV090x_SETFIELD(reg, STOP_CLKADCI2_FIELD, 1);
3994 /* FEC clock is shared between the two paths, only stop it
3995 when full standby is possible */
3996 if (full_standby)
3997 STV090x_SETFIELD(reg, STOP_CLKFEC_FIELD, 1);
3998 if (stv090x_write_reg(state, STV090x_STOPCLK1, reg) < 0)
3999 goto err_unlock;
4000 reg = stv090x_read_reg(state, STV090x_STOPCLK2);
4001 /* sampling 2 clock */
4002 STV090x_SETFIELD(reg, STOP_CLKSAMP2_FIELD, 1);
4003 /* viterbi 2 clock */
4004 STV090x_SETFIELD(reg, STOP_CLKVIT2_FIELD, 1);
4005 /* TS clock is shared between the two paths, only stop it
4006 when full standby is possible */
4007 if (full_standby)
4008 STV090x_SETFIELD(reg, STOP_CLKTS_FIELD, 1);
4009 if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
4010 goto err_unlock;
4011 break;
4012
4013 default:
4014 dprintk(FE_ERROR, 1, "Wrong demodulator!");
4015 break;
4016 }
4017
4018 if (full_standby) {
4019 /* general power off */
4020 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
4021 STV090x_SETFIELD(reg, STANDBY_FIELD, 0x01);
4022 if (stv090x_write_reg(state, STV090x_SYNTCTRL, reg) < 0)
4023 goto err_unlock;
4024 }
4025
4026 mutex_unlock(&state->internal->demod_lock);
4027 return 0;
4028
4029 err_gateoff:
4030 stv090x_i2c_gate_ctrl(state, 0);
4031 goto err;
4032 err_unlock:
4033 mutex_unlock(&state->internal->demod_lock);
4034 err:
4035 dprintk(FE_ERROR, 1, "I/O error");
4036 return -1;
4037 }
4038
4039 static int stv090x_wakeup(struct dvb_frontend *fe)
4040 {
4041 struct stv090x_state *state = fe->demodulator_priv;
4042 u32 reg;
4043
4044 dprintk(FE_DEBUG, 1, "Wake %s(%d) from standby",
4045 state->device == STV0900 ? "STV0900" : "STV0903",
4046 state->demod);
4047
4048 mutex_lock(&state->internal->demod_lock);
4049
4050 /* general power on */
4051 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
4052 STV090x_SETFIELD(reg, STANDBY_FIELD, 0x00);
4053 if (stv090x_write_reg(state, STV090x_SYNTCTRL, reg) < 0)
4054 goto err;
4055
4056 switch (state->demod) {
4057 case STV090x_DEMODULATOR_0:
4058 /* power on ADC 1 */
4059 reg = stv090x_read_reg(state, STV090x_TSTTNR1);
4060 STV090x_SETFIELD(reg, ADC1_PON_FIELD, 1);
4061 if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
4062 goto err;
4063 /* power on DiSEqC 1 */
4064 reg = stv090x_read_reg(state, STV090x_TSTTNR2);
4065 STV090x_SETFIELD(reg, DISEQC1_PON_FIELD, 1);
4066 if (stv090x_write_reg(state, STV090x_TSTTNR2, reg) < 0)
4067 goto err;
4068
4069 /* activate clocks */
4070 reg = stv090x_read_reg(state, STV090x_STOPCLK1);
4071 /* packet delineator 1 clock */
4072 STV090x_SETFIELD(reg, STOP_CLKPKDT1_FIELD, 0);
4073 /* ADC 1 clock */
4074 STV090x_SETFIELD(reg, STOP_CLKADCI1_FIELD, 0);
4075 /* FEC clock */
4076 STV090x_SETFIELD(reg, STOP_CLKFEC_FIELD, 0);
4077 if (stv090x_write_reg(state, STV090x_STOPCLK1, reg) < 0)
4078 goto err;
4079 reg = stv090x_read_reg(state, STV090x_STOPCLK2);
4080 /* sampling 1 clock */
4081 STV090x_SETFIELD(reg, STOP_CLKSAMP1_FIELD, 0);
4082 /* viterbi 1 clock */
4083 STV090x_SETFIELD(reg, STOP_CLKVIT1_FIELD, 0);
4084 /* TS clock */
4085 STV090x_SETFIELD(reg, STOP_CLKTS_FIELD, 0);
4086 if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
4087 goto err;
4088 break;
4089
4090 case STV090x_DEMODULATOR_1:
4091 /* power on ADC 2 */
4092 reg = stv090x_read_reg(state, STV090x_TSTTNR3);
4093 STV090x_SETFIELD(reg, ADC2_PON_FIELD, 1);
4094 if (stv090x_write_reg(state, STV090x_TSTTNR3, reg) < 0)
4095 goto err;
4096 /* power on DiSEqC 2 */
4097 reg = stv090x_read_reg(state, STV090x_TSTTNR4);
4098 STV090x_SETFIELD(reg, DISEQC2_PON_FIELD, 1);
4099 if (stv090x_write_reg(state, STV090x_TSTTNR4, reg) < 0)
4100 goto err;
4101
4102 /* activate clocks */
4103 reg = stv090x_read_reg(state, STV090x_STOPCLK1);
4104 /* packet delineator 2 clock */
4105 STV090x_SETFIELD(reg, STOP_CLKPKDT2_FIELD, 0);
4106 /* ADC 2 clock */
4107 STV090x_SETFIELD(reg, STOP_CLKADCI2_FIELD, 0);
4108 /* FEC clock */
4109 STV090x_SETFIELD(reg, STOP_CLKFEC_FIELD, 0);
4110 if (stv090x_write_reg(state, STV090x_STOPCLK1, reg) < 0)
4111 goto err;
4112 reg = stv090x_read_reg(state, STV090x_STOPCLK2);
4113 /* sampling 2 clock */
4114 STV090x_SETFIELD(reg, STOP_CLKSAMP2_FIELD, 0);
4115 /* viterbi 2 clock */
4116 STV090x_SETFIELD(reg, STOP_CLKVIT2_FIELD, 0);
4117 /* TS clock */
4118 STV090x_SETFIELD(reg, STOP_CLKTS_FIELD, 0);
4119 if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
4120 goto err;
4121 break;
4122
4123 default:
4124 dprintk(FE_ERROR, 1, "Wrong demodulator!");
4125 break;
4126 }
4127
4128 mutex_unlock(&state->internal->demod_lock);
4129 return 0;
4130 err:
4131 mutex_unlock(&state->internal->demod_lock);
4132 dprintk(FE_ERROR, 1, "I/O error");
4133 return -1;
4134 }
4135
4136 static void stv090x_release(struct dvb_frontend *fe)
4137 {
4138 struct stv090x_state *state = fe->demodulator_priv;
4139
4140 state->internal->num_used--;
4141 if (state->internal->num_used <= 0) {
4142
4143 dprintk(FE_ERROR, 1, "Actually removing");
4144
4145 remove_dev(state->internal);
4146 kfree(state->internal);
4147 }
4148
4149 kfree(state);
4150 }
4151
4152 static int stv090x_ldpc_mode(struct stv090x_state *state, enum stv090x_mode ldpc_mode)
4153 {
4154 u32 reg = 0;
4155
4156 reg = stv090x_read_reg(state, STV090x_GENCFG);
4157
4158 switch (ldpc_mode) {
4159 case STV090x_DUAL:
4160 default:
4161 if ((state->demod_mode != STV090x_DUAL) || (STV090x_GETFIELD(reg, DDEMOD_FIELD) != 1)) {
4162 /* set LDPC to dual mode */
4163 if (stv090x_write_reg(state, STV090x_GENCFG, 0x1d) < 0)
4164 goto err;
4165
4166 state->demod_mode = STV090x_DUAL;
4167
4168 reg = stv090x_read_reg(state, STV090x_TSTRES0);
4169 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x1);
4170 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
4171 goto err;
4172 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x0);
4173 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
4174 goto err;
4175
4176 if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
4177 goto err;
4178 if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xff) < 0)
4179 goto err;
4180 if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xff) < 0)
4181 goto err;
4182 if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xff) < 0)
4183 goto err;
4184 if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xff) < 0)
4185 goto err;
4186 if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xff) < 0)
4187 goto err;
4188 if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xff) < 0)
4189 goto err;
4190
4191 if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xcc) < 0)
4192 goto err;
4193 if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xcc) < 0)
4194 goto err;
4195 if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xcc) < 0)
4196 goto err;
4197 if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xcc) < 0)
4198 goto err;
4199 if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xcc) < 0)
4200 goto err;
4201 if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xcc) < 0)
4202 goto err;
4203 if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xcc) < 0)
4204 goto err;
4205
4206 if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xff) < 0)
4207 goto err;
4208 if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xcf) < 0)
4209 goto err;
4210 }
4211 break;
4212
4213 case STV090x_SINGLE:
4214 if (stv090x_stop_modcod(state) < 0)
4215 goto err;
4216 if (stv090x_activate_modcod_single(state) < 0)
4217 goto err;
4218
4219 if (state->demod == STV090x_DEMODULATOR_1) {
4220 if (stv090x_write_reg(state, STV090x_GENCFG, 0x06) < 0) /* path 2 */
4221 goto err;
4222 } else {
4223 if (stv090x_write_reg(state, STV090x_GENCFG, 0x04) < 0) /* path 1 */
4224 goto err;
4225 }
4226
4227 reg = stv090x_read_reg(state, STV090x_TSTRES0);
4228 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x1);
4229 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
4230 goto err;
4231 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x0);
4232 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
4233 goto err;
4234
4235 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
4236 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x01);
4237 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
4238 goto err;
4239 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x00);
4240 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
4241 goto err;
4242 break;
4243 }
4244
4245 return 0;
4246 err:
4247 dprintk(FE_ERROR, 1, "I/O error");
4248 return -1;
4249 }
4250
4251 /* return (Hz), clk in Hz*/
4252 static u32 stv090x_get_mclk(struct stv090x_state *state)
4253 {
4254 const struct stv090x_config *config = state->config;
4255 u32 div, reg;
4256 u8 ratio;
4257
4258 div = stv090x_read_reg(state, STV090x_NCOARSE);
4259 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
4260 ratio = STV090x_GETFIELD(reg, SELX1RATIO_FIELD) ? 4 : 6;
4261
4262 return (div + 1) * config->xtal / ratio; /* kHz */
4263 }
4264
4265 static int stv090x_set_mclk(struct stv090x_state *state, u32 mclk, u32 clk)
4266 {
4267 const struct stv090x_config *config = state->config;
4268 u32 reg, div, clk_sel;
4269
4270 reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
4271 clk_sel = ((STV090x_GETFIELD(reg, SELX1RATIO_FIELD) == 1) ? 4 : 6);
4272
4273 div = ((clk_sel * mclk) / config->xtal) - 1;
4274
4275 reg = stv090x_read_reg(state, STV090x_NCOARSE);
4276 STV090x_SETFIELD(reg, M_DIV_FIELD, div);
4277 if (stv090x_write_reg(state, STV090x_NCOARSE, reg) < 0)
4278 goto err;
4279
4280 state->internal->mclk = stv090x_get_mclk(state);
4281
4282 /*Set the DiseqC frequency to 22KHz */
4283 div = state->internal->mclk / 704000;
4284 if (STV090x_WRITE_DEMOD(state, F22TX, div) < 0)
4285 goto err;
4286 if (STV090x_WRITE_DEMOD(state, F22RX, div) < 0)
4287 goto err;
4288
4289 return 0;
4290 err:
4291 dprintk(FE_ERROR, 1, "I/O error");
4292 return -1;
4293 }
4294
4295 static int stv0900_set_tspath(struct stv090x_state *state)
4296 {
4297 u32 reg;
4298
4299 if (state->internal->dev_ver >= 0x20) {
4300 switch (state->config->ts1_mode) {
4301 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4302 case STV090x_TSMODE_DVBCI:
4303 switch (state->config->ts2_mode) {
4304 case STV090x_TSMODE_SERIAL_PUNCTURED:
4305 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4306 default:
4307 stv090x_write_reg(state, STV090x_TSGENERAL, 0x00);
4308 break;
4309
4310 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4311 case STV090x_TSMODE_DVBCI:
4312 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x06) < 0) /* Mux'd stream mode */
4313 goto err;
4314 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
4315 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4316 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
4317 goto err;
4318 reg = stv090x_read_reg(state, STV090x_P2_TSCFGM);
4319 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4320 if (stv090x_write_reg(state, STV090x_P2_TSCFGM, reg) < 0)
4321 goto err;
4322 if (stv090x_write_reg(state, STV090x_P1_TSSPEED, 0x14) < 0)
4323 goto err;
4324 if (stv090x_write_reg(state, STV090x_P2_TSSPEED, 0x28) < 0)
4325 goto err;
4326 break;
4327 }
4328 break;
4329
4330 case STV090x_TSMODE_SERIAL_PUNCTURED:
4331 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4332 default:
4333 switch (state->config->ts2_mode) {
4334 case STV090x_TSMODE_SERIAL_PUNCTURED:
4335 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4336 default:
4337 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c) < 0)
4338 goto err;
4339 break;
4340
4341 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4342 case STV090x_TSMODE_DVBCI:
4343 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0a) < 0)
4344 goto err;
4345 break;
4346 }
4347 break;
4348 }
4349 } else {
4350 switch (state->config->ts1_mode) {
4351 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4352 case STV090x_TSMODE_DVBCI:
4353 switch (state->config->ts2_mode) {
4354 case STV090x_TSMODE_SERIAL_PUNCTURED:
4355 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4356 default:
4357 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x10);
4358 break;
4359
4360 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4361 case STV090x_TSMODE_DVBCI:
4362 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x16);
4363 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
4364 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4365 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
4366 goto err;
4367 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
4368 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 0);
4369 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
4370 goto err;
4371 if (stv090x_write_reg(state, STV090x_P1_TSSPEED, 0x14) < 0)
4372 goto err;
4373 if (stv090x_write_reg(state, STV090x_P2_TSSPEED, 0x28) < 0)
4374 goto err;
4375 break;
4376 }
4377 break;
4378
4379 case STV090x_TSMODE_SERIAL_PUNCTURED:
4380 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4381 default:
4382 switch (state->config->ts2_mode) {
4383 case STV090x_TSMODE_SERIAL_PUNCTURED:
4384 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4385 default:
4386 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x14);
4387 break;
4388
4389 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4390 case STV090x_TSMODE_DVBCI:
4391 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x12);
4392 break;
4393 }
4394 break;
4395 }
4396 }
4397
4398 switch (state->config->ts1_mode) {
4399 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4400 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4401 STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts1_tei);
4402 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4403 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4404 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4405 goto err;
4406 break;
4407
4408 case STV090x_TSMODE_DVBCI:
4409 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4410 STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts1_tei);
4411 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4412 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4413 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4414 goto err;
4415 break;
4416
4417 case STV090x_TSMODE_SERIAL_PUNCTURED:
4418 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4419 STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts1_tei);
4420 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4421 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4422 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4423 goto err;
4424 break;
4425
4426 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4427 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4428 STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts1_tei);
4429 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4430 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4431 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4432 goto err;
4433 break;
4434
4435 default:
4436 break;
4437 }
4438
4439 switch (state->config->ts2_mode) {
4440 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4441 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4442 STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts2_tei);
4443 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4444 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4445 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4446 goto err;
4447 break;
4448
4449 case STV090x_TSMODE_DVBCI:
4450 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4451 STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts2_tei);
4452 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4453 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4454 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4455 goto err;
4456 break;
4457
4458 case STV090x_TSMODE_SERIAL_PUNCTURED:
4459 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4460 STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts2_tei);
4461 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4462 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4463 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4464 goto err;
4465 break;
4466
4467 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4468 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4469 STV090x_SETFIELD_Px(reg, TSFIFO_TEIUPDATE_FIELD, state->config->ts2_tei);
4470 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4471 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4472 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4473 goto err;
4474 break;
4475
4476 default:
4477 break;
4478 }
4479
4480 if (state->config->ts1_clk > 0) {
4481 u32 speed;
4482
4483 switch (state->config->ts1_mode) {
4484 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4485 case STV090x_TSMODE_DVBCI:
4486 default:
4487 speed = state->internal->mclk /
4488 (state->config->ts1_clk / 4);
4489 if (speed < 0x08)
4490 speed = 0x08;
4491 if (speed > 0xFF)
4492 speed = 0xFF;
4493 break;
4494 case STV090x_TSMODE_SERIAL_PUNCTURED:
4495 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4496 speed = state->internal->mclk /
4497 (state->config->ts1_clk / 32);
4498 if (speed < 0x20)
4499 speed = 0x20;
4500 if (speed > 0xFF)
4501 speed = 0xFF;
4502 break;
4503 }
4504 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
4505 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4506 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
4507 goto err;
4508 if (stv090x_write_reg(state, STV090x_P1_TSSPEED, speed) < 0)
4509 goto err;
4510 }
4511
4512 if (state->config->ts2_clk > 0) {
4513 u32 speed;
4514
4515 switch (state->config->ts2_mode) {
4516 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4517 case STV090x_TSMODE_DVBCI:
4518 default:
4519 speed = state->internal->mclk /
4520 (state->config->ts2_clk / 4);
4521 if (speed < 0x08)
4522 speed = 0x08;
4523 if (speed > 0xFF)
4524 speed = 0xFF;
4525 break;
4526 case STV090x_TSMODE_SERIAL_PUNCTURED:
4527 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4528 speed = state->internal->mclk /
4529 (state->config->ts2_clk / 32);
4530 if (speed < 0x20)
4531 speed = 0x20;
4532 if (speed > 0xFF)
4533 speed = 0xFF;
4534 break;
4535 }
4536 reg = stv090x_read_reg(state, STV090x_P2_TSCFGM);
4537 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4538 if (stv090x_write_reg(state, STV090x_P2_TSCFGM, reg) < 0)
4539 goto err;
4540 if (stv090x_write_reg(state, STV090x_P2_TSSPEED, speed) < 0)
4541 goto err;
4542 }
4543
4544 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4545 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
4546 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4547 goto err;
4548 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
4549 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4550 goto err;
4551
4552 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4553 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
4554 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4555 goto err;
4556 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
4557 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4558 goto err;
4559
4560 return 0;
4561 err:
4562 dprintk(FE_ERROR, 1, "I/O error");
4563 return -1;
4564 }
4565
4566 static int stv0903_set_tspath(struct stv090x_state *state)
4567 {
4568 u32 reg;
4569
4570 if (state->internal->dev_ver >= 0x20) {
4571 switch (state->config->ts1_mode) {
4572 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4573 case STV090x_TSMODE_DVBCI:
4574 stv090x_write_reg(state, STV090x_TSGENERAL, 0x00);
4575 break;
4576
4577 case STV090x_TSMODE_SERIAL_PUNCTURED:
4578 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4579 default:
4580 stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c);
4581 break;
4582 }
4583 } else {
4584 switch (state->config->ts1_mode) {
4585 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4586 case STV090x_TSMODE_DVBCI:
4587 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x10);
4588 break;
4589
4590 case STV090x_TSMODE_SERIAL_PUNCTURED:
4591 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4592 default:
4593 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x14);
4594 break;
4595 }
4596 }
4597
4598 switch (state->config->ts1_mode) {
4599 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4600 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4601 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4602 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4603 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4604 goto err;
4605 break;
4606
4607 case STV090x_TSMODE_DVBCI:
4608 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4609 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4610 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4611 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4612 goto err;
4613 break;
4614
4615 case STV090x_TSMODE_SERIAL_PUNCTURED:
4616 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4617 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4618 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4619 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4620 goto err;
4621 break;
4622
4623 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4624 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4625 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4626 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4627 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4628 goto err;
4629 break;
4630
4631 default:
4632 break;
4633 }
4634
4635 if (state->config->ts1_clk > 0) {
4636 u32 speed;
4637
4638 switch (state->config->ts1_mode) {
4639 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4640 case STV090x_TSMODE_DVBCI:
4641 default:
4642 speed = state->internal->mclk /
4643 (state->config->ts1_clk / 4);
4644 if (speed < 0x08)
4645 speed = 0x08;
4646 if (speed > 0xFF)
4647 speed = 0xFF;
4648 break;
4649 case STV090x_TSMODE_SERIAL_PUNCTURED:
4650 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4651 speed = state->internal->mclk /
4652 (state->config->ts1_clk / 32);
4653 if (speed < 0x20)
4654 speed = 0x20;
4655 if (speed > 0xFF)
4656 speed = 0xFF;
4657 break;
4658 }
4659 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
4660 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4661 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
4662 goto err;
4663 if (stv090x_write_reg(state, STV090x_P1_TSSPEED, speed) < 0)
4664 goto err;
4665 }
4666
4667 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4668 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
4669 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4670 goto err;
4671 STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
4672 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4673 goto err;
4674
4675 return 0;
4676 err:
4677 dprintk(FE_ERROR, 1, "I/O error");
4678 return -1;
4679 }
4680
4681 static int stv090x_init(struct dvb_frontend *fe)
4682 {
4683 struct stv090x_state *state = fe->demodulator_priv;
4684 const struct stv090x_config *config = state->config;
4685 u32 reg;
4686
4687 if (state->internal->mclk == 0) {
4688 /* call tuner init to configure the tuner's clock output
4689 divider directly before setting up the master clock of
4690 the stv090x. */
4691 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
4692 goto err;
4693
4694 if (config->tuner_init) {
4695 if (config->tuner_init(fe) < 0)
4696 goto err_gateoff;
4697 }
4698
4699 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
4700 goto err;
4701
4702 stv090x_set_mclk(state, 135000000, config->xtal); /* 135 Mhz */
4703 msleep(5);
4704 if (stv090x_write_reg(state, STV090x_SYNTCTRL,
4705 0x20 | config->clk_mode) < 0)
4706 goto err;
4707 stv090x_get_mclk(state);
4708 }
4709
4710 if (stv090x_wakeup(fe) < 0) {
4711 dprintk(FE_ERROR, 1, "Error waking device");
4712 goto err;
4713 }
4714
4715 if (stv090x_ldpc_mode(state, state->demod_mode) < 0)
4716 goto err;
4717
4718 reg = STV090x_READ_DEMOD(state, TNRCFG2);
4719 STV090x_SETFIELD_Px(reg, TUN_IQSWAP_FIELD, state->inversion);
4720 if (STV090x_WRITE_DEMOD(state, TNRCFG2, reg) < 0)
4721 goto err;
4722 reg = STV090x_READ_DEMOD(state, DEMOD);
4723 STV090x_SETFIELD_Px(reg, ROLLOFF_CONTROL_FIELD, state->rolloff);
4724 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
4725 goto err;
4726
4727 if (stv090x_i2c_gate_ctrl(state, 1) < 0)
4728 goto err;
4729
4730 if (config->tuner_set_mode) {
4731 if (config->tuner_set_mode(fe, TUNER_WAKE) < 0)
4732 goto err_gateoff;
4733 }
4734
4735 if (config->tuner_init) {
4736 if (config->tuner_init(fe) < 0)
4737 goto err_gateoff;
4738 }
4739
4740 if (stv090x_i2c_gate_ctrl(state, 0) < 0)
4741 goto err;
4742
4743 if (state->device == STV0900) {
4744 if (stv0900_set_tspath(state) < 0)
4745 goto err;
4746 } else {
4747 if (stv0903_set_tspath(state) < 0)
4748 goto err;
4749 }
4750
4751 return 0;
4752
4753 err_gateoff:
4754 stv090x_i2c_gate_ctrl(state, 0);
4755 err:
4756 dprintk(FE_ERROR, 1, "I/O error");
4757 return -1;
4758 }
4759
4760 static int stv090x_setup(struct dvb_frontend *fe)
4761 {
4762 struct stv090x_state *state = fe->demodulator_priv;
4763 const struct stv090x_config *config = state->config;
4764 const struct stv090x_reg *stv090x_initval = NULL;
4765 const struct stv090x_reg *stv090x_cut20_val = NULL;
4766 unsigned long t1_size = 0, t2_size = 0;
4767 u32 reg = 0;
4768
4769 int i;
4770
4771 if (state->device == STV0900) {
4772 dprintk(FE_DEBUG, 1, "Initializing STV0900");
4773 stv090x_initval = stv0900_initval;
4774 t1_size = ARRAY_SIZE(stv0900_initval);
4775 stv090x_cut20_val = stv0900_cut20_val;
4776 t2_size = ARRAY_SIZE(stv0900_cut20_val);
4777 } else if (state->device == STV0903) {
4778 dprintk(FE_DEBUG, 1, "Initializing STV0903");
4779 stv090x_initval = stv0903_initval;
4780 t1_size = ARRAY_SIZE(stv0903_initval);
4781 stv090x_cut20_val = stv0903_cut20_val;
4782 t2_size = ARRAY_SIZE(stv0903_cut20_val);
4783 }
4784
4785 /* STV090x init */
4786
4787 /* Stop Demod */
4788 if (stv090x_write_reg(state, STV090x_P1_DMDISTATE, 0x5c) < 0)
4789 goto err;
4790 if (state->device == STV0900)
4791 if (stv090x_write_reg(state, STV090x_P2_DMDISTATE, 0x5c) < 0)
4792 goto err;
4793
4794 msleep(5);
4795
4796 /* Set No Tuner Mode */
4797 if (stv090x_write_reg(state, STV090x_P1_TNRCFG, 0x6c) < 0)
4798 goto err;
4799 if (state->device == STV0900)
4800 if (stv090x_write_reg(state, STV090x_P2_TNRCFG, 0x6c) < 0)
4801 goto err;
4802
4803 /* I2C repeater OFF */
4804 STV090x_SETFIELD_Px(reg, ENARPT_LEVEL_FIELD, config->repeater_level);
4805 if (stv090x_write_reg(state, STV090x_P1_I2CRPT, reg) < 0)
4806 goto err;
4807 if (state->device == STV0900)
4808 if (stv090x_write_reg(state, STV090x_P2_I2CRPT, reg) < 0)
4809 goto err;
4810
4811 if (stv090x_write_reg(state, STV090x_NCOARSE, 0x13) < 0) /* set PLL divider */
4812 goto err;
4813 msleep(5);
4814 if (stv090x_write_reg(state, STV090x_I2CCFG, 0x08) < 0) /* 1/41 oversampling */
4815 goto err;
4816 if (stv090x_write_reg(state, STV090x_SYNTCTRL, 0x20 | config->clk_mode) < 0) /* enable PLL */
4817 goto err;
4818 msleep(5);
4819
4820 /* write initval */
4821 dprintk(FE_DEBUG, 1, "Setting up initial values");
4822 for (i = 0; i < t1_size; i++) {
4823 if (stv090x_write_reg(state, stv090x_initval[i].addr, stv090x_initval[i].data) < 0)
4824 goto err;
4825 }
4826
4827 state->internal->dev_ver = stv090x_read_reg(state, STV090x_MID);
4828 if (state->internal->dev_ver >= 0x20) {
4829 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c) < 0)
4830 goto err;
4831
4832 /* write cut20_val*/
4833 dprintk(FE_DEBUG, 1, "Setting up Cut 2.0 initial values");
4834 for (i = 0; i < t2_size; i++) {
4835 if (stv090x_write_reg(state, stv090x_cut20_val[i].addr, stv090x_cut20_val[i].data) < 0)
4836 goto err;
4837 }
4838
4839 } else if (state->internal->dev_ver < 0x20) {
4840 dprintk(FE_ERROR, 1, "ERROR: Unsupported Cut: 0x%02x!",
4841 state->internal->dev_ver);
4842
4843 goto err;
4844 } else if (state->internal->dev_ver > 0x30) {
4845 /* we shouldn't bail out from here */
4846 dprintk(FE_ERROR, 1, "INFO: Cut: 0x%02x probably incomplete support!",
4847 state->internal->dev_ver);
4848 }
4849
4850 /* ADC1 range */
4851 reg = stv090x_read_reg(state, STV090x_TSTTNR1);
4852 STV090x_SETFIELD(reg, ADC1_INMODE_FIELD,
4853 (config->adc1_range == STV090x_ADC_1Vpp) ? 0 : 1);
4854 if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
4855 goto err;
4856
4857 /* ADC2 range */
4858 reg = stv090x_read_reg(state, STV090x_TSTTNR3);
4859 STV090x_SETFIELD(reg, ADC2_INMODE_FIELD,
4860 (config->adc2_range == STV090x_ADC_1Vpp) ? 0 : 1);
4861 if (stv090x_write_reg(state, STV090x_TSTTNR3, reg) < 0)
4862 goto err;
4863
4864 if (stv090x_write_reg(state, STV090x_TSTRES0, 0x80) < 0)
4865 goto err;
4866 if (stv090x_write_reg(state, STV090x_TSTRES0, 0x00) < 0)
4867 goto err;
4868
4869 return 0;
4870 err:
4871 dprintk(FE_ERROR, 1, "I/O error");
4872 return -1;
4873 }
4874
4875 static int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio, u8 dir,
4876 u8 value, u8 xor_value)
4877 {
4878 struct stv090x_state *state = fe->demodulator_priv;
4879 u8 reg = 0;
4880
4881 STV090x_SETFIELD(reg, GPIOx_OPD_FIELD, dir);
4882 STV090x_SETFIELD(reg, GPIOx_CONFIG_FIELD, value);
4883 STV090x_SETFIELD(reg, GPIOx_XOR_FIELD, xor_value);
4884
4885 return stv090x_write_reg(state, STV090x_GPIOxCFG(gpio), reg);
4886 }
4887
4888 static struct dvb_frontend_ops stv090x_ops = {
4889 .delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS },
4890 .info = {
4891 .name = "STV090x Multistandard",
4892 .frequency_min = 950000,
4893 .frequency_max = 2150000,
4894 .frequency_stepsize = 0,
4895 .frequency_tolerance = 0,
4896 .symbol_rate_min = 1000000,
4897 .symbol_rate_max = 45000000,
4898 .caps = FE_CAN_INVERSION_AUTO |
4899 FE_CAN_FEC_AUTO |
4900 FE_CAN_QPSK |
4901 FE_CAN_2G_MODULATION
4902 },
4903
4904 .release = stv090x_release,
4905 .init = stv090x_init,
4906
4907 .sleep = stv090x_sleep,
4908 .get_frontend_algo = stv090x_frontend_algo,
4909
4910 .diseqc_send_master_cmd = stv090x_send_diseqc_msg,
4911 .diseqc_send_burst = stv090x_send_diseqc_burst,
4912 .diseqc_recv_slave_reply = stv090x_recv_slave_reply,
4913 .set_tone = stv090x_set_tone,
4914
4915 .search = stv090x_search,
4916 .read_status = stv090x_read_status,
4917 .read_ber = stv090x_read_per,
4918 .read_signal_strength = stv090x_read_signal_strength,
4919 .read_snr = stv090x_read_cnr,
4920 };
4921
4922
4923 struct dvb_frontend *stv090x_attach(struct stv090x_config *config,
4924 struct i2c_adapter *i2c,
4925 enum stv090x_demodulator demod)
4926 {
4927 struct stv090x_state *state = NULL;
4928 struct stv090x_dev *temp_int;
4929
4930 state = kzalloc(sizeof (struct stv090x_state), GFP_KERNEL);
4931 if (state == NULL)
4932 goto error;
4933
4934 state->verbose = &verbose;
4935 state->config = config;
4936 state->i2c = i2c;
4937 state->frontend.ops = stv090x_ops;
4938 state->frontend.demodulator_priv = state;
4939 state->demod = demod;
4940 state->demod_mode = config->demod_mode; /* Single or Dual mode */
4941 state->device = config->device;
4942 state->rolloff = STV090x_RO_35; /* default */
4943
4944 temp_int = find_dev(state->i2c,
4945 state->config->address);
4946
4947 if ((temp_int != NULL) && (state->demod_mode == STV090x_DUAL)) {
4948 state->internal = temp_int->internal;
4949 state->internal->num_used++;
4950 dprintk(FE_INFO, 1, "Found Internal Structure!");
4951 } else {
4952 state->internal = kmalloc(sizeof(struct stv090x_internal),
4953 GFP_KERNEL);
4954 if (!state->internal)
4955 goto error;
4956 temp_int = append_internal(state->internal);
4957 if (!temp_int) {
4958 kfree(state->internal);
4959 goto error;
4960 }
4961 state->internal->num_used = 1;
4962 state->internal->mclk = 0;
4963 state->internal->dev_ver = 0;
4964 state->internal->i2c_adap = state->i2c;
4965 state->internal->i2c_addr = state->config->address;
4966 dprintk(FE_INFO, 1, "Create New Internal Structure!");
4967
4968 mutex_init(&state->internal->demod_lock);
4969 mutex_init(&state->internal->tuner_lock);
4970
4971 if (stv090x_setup(&state->frontend) < 0) {
4972 dprintk(FE_ERROR, 1, "Error setting up device");
4973 goto err_remove;
4974 }
4975 }
4976
4977 if (state->internal->dev_ver >= 0x30)
4978 state->frontend.ops.info.caps |= FE_CAN_MULTISTREAM;
4979
4980 /* workaround for stuck DiSEqC output */
4981 if (config->diseqc_envelope_mode)
4982 stv090x_send_diseqc_burst(&state->frontend, SEC_MINI_A);
4983
4984 config->set_gpio = stv090x_set_gpio;
4985
4986 dprintk(FE_ERROR, 1, "Attaching %s demodulator(%d) Cut=0x%02x",
4987 state->device == STV0900 ? "STV0900" : "STV0903",
4988 demod,
4989 state->internal->dev_ver);
4990
4991 return &state->frontend;
4992
4993 err_remove:
4994 remove_dev(state->internal);
4995 kfree(state->internal);
4996 error:
4997 kfree(state);
4998 return NULL;
4999 }
5000 EXPORT_SYMBOL(stv090x_attach);
5001 MODULE_PARM_DESC(verbose, "Set Verbosity level");
5002 MODULE_AUTHOR("Manu Abraham");
5003 MODULE_DESCRIPTION("STV090x Multi-Std Broadcast frontend");
5004 MODULE_LICENSE("GPL");
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