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/mutex.h>
  27
  28 #include <linux/dvb/frontend.h>
  29 #include "dvb_frontend.h"
  30
  31 #include "stv6110x.h" /* for demodulator internal modes */
  32
  33 #include "stv090x_reg.h"
  34 #include "stv090x.h"
  35 #include "stv090x_priv.h"
  36
  37 static unsigned int verbose;
  38 module_param(verbose, int, 0644);
  39
  40 /* internal params node */
  41 struct stv090x_dev {
  42         /* pointer for internal params, one for each pair of demods */
  43         struct stv090x_internal         *internal;
  44         struct stv090x_dev              *next_dev;
  45 };
  46
  47 /* first internal params */
  48 static struct stv090x_dev *stv090x_first_dev;
  49
  50 /* find chip by i2c adapter and i2c address */
  51 static struct stv090x_dev *find_dev(struct i2c_adapter *i2c_adap,
  52                                         u8 i2c_addr)
  53 {
  54         struct stv090x_dev *temp_dev = stv090x_first_dev;
  55
  56         /*
  57          Search of the last stv0900 chip or
  58          find it by i2c adapter and i2c address */
  59         while ((temp_dev != NULL) &&
  60                 ((temp_dev->internal->i2c_adap != i2c_adap) ||
  61                 (temp_dev->internal->i2c_addr != i2c_addr))) {
  62
  63                 temp_dev = temp_dev->next_dev;
  64         }
  65
  66         return temp_dev;
  67 }
  68
  69 /* deallocating chip */
  70 static void remove_dev(struct stv090x_internal *internal)
  71 {
  72         struct stv090x_dev *prev_dev = stv090x_first_dev;
  73         struct stv090x_dev *del_dev = find_dev(internal->i2c_adap,
  74                                                 internal->i2c_addr);
  75
  76         if (del_dev != NULL) {
  77                 if (del_dev == stv090x_first_dev) {
  78                         stv090x_first_dev = del_dev->next_dev;
  79                 } else {
  80                         while (prev_dev->next_dev != del_dev)
  81                                 prev_dev = prev_dev->next_dev;
  82
  83                         prev_dev->next_dev = del_dev->next_dev;
  84                 }
  85
  86                 kfree(del_dev);
  87         }
  88 }
  89
  90 /* allocating new chip */
  91 static struct stv090x_dev *append_internal(struct stv090x_internal *internal)
  92 {
  93         struct stv090x_dev *new_dev;
  94         struct stv090x_dev *temp_dev;
  95
  96         new_dev = kmalloc(sizeof(struct stv090x_dev), GFP_KERNEL);
  97         if (new_dev != NULL) {
  98                 new_dev->internal = internal;
  99                 new_dev->next_dev = NULL;
 100
 101                 /* append to list */
 102                 if (stv090x_first_dev == NULL) {
 103                         stv090x_first_dev = new_dev;
 104                 } else {
 105                         temp_dev = stv090x_first_dev;
 106                         while (temp_dev->next_dev != NULL)
 107                                 temp_dev = temp_dev->next_dev;
 108
 109                         temp_dev->next_dev = new_dev;
 110                 }
 111         }
 112
 113         return new_dev;
 114 }
 115
 116
 117 /* DVBS1 and DSS C/N Lookup table */
 118 static const struct stv090x_tab stv090x_s1cn_tab[] = {
 119         {   0, 8917 }, /*  0.0dB */
 120         {   5, 8801 }, /*  0.5dB */
 121         {  10, 8667 }, /*  1.0dB */
 122         {  15, 8522 }, /*  1.5dB */
 123         {  20, 8355 }, /*  2.0dB */
 124         {  25, 8175 }, /*  2.5dB */
 125         {  30, 7979 }, /*  3.0dB */
 126         {  35, 7763 }, /*  3.5dB */
 127         {  40, 7530 }, /*  4.0dB */
 128         {  45, 7282 }, /*  4.5dB */
 129         {  50, 7026 }, /*  5.0dB */
 130         {  55, 6781 }, /*  5.5dB */
 131         {  60, 6514 }, /*  6.0dB */
 132         {  65, 6241 }, /*  6.5dB */
 133         {  70, 5965 }, /*  7.0dB */
 134         {  75, 5690 }, /*  7.5dB */
 135         {  80, 5424 }, /*  8.0dB */
 136         {  85, 5161 }, /*  8.5dB */
 137         {  90, 4902 }, /*  9.0dB */
 138         {  95, 4654 }, /*  9.5dB */
 139         { 100, 4417 }, /* 10.0dB */
 140         { 105, 4186 }, /* 10.5dB */
 141         { 110, 3968 }, /* 11.0dB */
 142         { 115, 3757 }, /* 11.5dB */
 143         { 120, 3558 }, /* 12.0dB */
 144         { 125, 3366 }, /* 12.5dB */
 145         { 130, 3185 }, /* 13.0dB */
 146         { 135, 3012 }, /* 13.5dB */
 147         { 140, 2850 }, /* 14.0dB */
 148         { 145, 2698 }, /* 14.5dB */
 149         { 150, 2550 }, /* 15.0dB */
 150         { 160, 2283 }, /* 16.0dB */
 151         { 170, 2042 }, /* 17.0dB */
 152         { 180, 1827 }, /* 18.0dB */
 153         { 190, 1636 }, /* 19.0dB */
 154         { 200, 1466 }, /* 20.0dB */
 155         { 210, 1315 }, /* 21.0dB */
 156         { 220, 1181 }, /* 22.0dB */
 157         { 230, 1064 }, /* 23.0dB */
 158         { 240,  960 }, /* 24.0dB */
 159         { 250,  869 }, /* 25.0dB */
 160         { 260,  792 }, /* 26.0dB */
 161         { 270,  724 }, /* 27.0dB */
 162         { 280,  665 }, /* 28.0dB */
 163         { 290,  616 }, /* 29.0dB */
 164         { 300,  573 }, /* 30.0dB */
 165         { 310,  537 }, /* 31.0dB */
 166         { 320,  507 }, /* 32.0dB */
 167         { 330,  483 }, /* 33.0dB */
 168         { 400,  398 }, /* 40.0dB */
 169         { 450,  381 }, /* 45.0dB */
 170         { 500,  377 }  /* 50.0dB */
 171 };
 172
 173 /* DVBS2 C/N Lookup table */
 174 static const struct stv090x_tab stv090x_s2cn_tab[] = {
 175         { -30, 13348 }, /* -3.0dB */
 176         { -20, 12640 }, /* -2d.0B */
 177         { -10, 11883 }, /* -1.0dB */
 178         {   0, 11101 }, /* -0.0dB */
 179         {   5, 10718 }, /*  0.5dB */
 180         {  10, 10339 }, /*  1.0dB */
 181         {  15,  9947 }, /*  1.5dB */
 182         {  20,  9552 }, /*  2.0dB */
 183         {  25,  9183 }, /*  2.5dB */
 184         {  30,  8799 }, /*  3.0dB */
 185         {  35,  8422 }, /*  3.5dB */
 186         {  40,  8062 }, /*  4.0dB */
 187         {  45,  7707 }, /*  4.5dB */
 188         {  50,  7353 }, /*  5.0dB */
 189         {  55,  7025 }, /*  5.5dB */
 190         {  60,  6684 }, /*  6.0dB */
 191         {  65,  6331 }, /*  6.5dB */
 192         {  70,  6036 }, /*  7.0dB */
 193         {  75,  5727 }, /*  7.5dB */
 194         {  80,  5437 }, /*  8.0dB */
 195         {  85,  5164 }, /*  8.5dB */
 196         {  90,  4902 }, /*  9.0dB */
 197         {  95,  4653 }, /*  9.5dB */
 198         { 100,  4408 }, /* 10.0dB */
 199         { 105,  4187 }, /* 10.5dB */
 200         { 110,  3961 }, /* 11.0dB */
 201         { 115,  3751 }, /* 11.5dB */
 202         { 120,  3558 }, /* 12.0dB */
 203         { 125,  3368 }, /* 12.5dB */
 204         { 130,  3191 }, /* 13.0dB */
 205         { 135,  3017 }, /* 13.5dB */
 206         { 140,  2862 }, /* 14.0dB */
 207         { 145,  2710 }, /* 14.5dB */
 208         { 150,  2565 }, /* 15.0dB */
 209         { 160,  2300 }, /* 16.0dB */
 210         { 170,  2058 }, /* 17.0dB */
 211         { 180,  1849 }, /* 18.0dB */
 212         { 190,  1663 }, /* 19.0dB */
 213         { 200,  1495 }, /* 20.0dB */
 214         { 210,  1349 }, /* 21.0dB */
 215         { 220,  1222 }, /* 22.0dB */
 216         { 230,  1110 }, /* 23.0dB */
 217         { 240,  1011 }, /* 24.0dB */
 218         { 250,   925 }, /* 25.0dB */
 219         { 260,   853 }, /* 26.0dB */
 220         { 270,   789 }, /* 27.0dB */
 221         { 280,   734 }, /* 28.0dB */
 222         { 290,   690 }, /* 29.0dB */
 223         { 300,   650 }, /* 30.0dB */
 224         { 310,   619 }, /* 31.0dB */
 225         { 320,   593 }, /* 32.0dB */
 226         { 330,   571 }, /* 33.0dB */
 227         { 400,   498 }, /* 40.0dB */
 228         { 450,   484 }, /* 45.0dB */
 229         { 500,   481 }  /* 50.0dB */
 230 };
 231
 232 /* RF level C/N lookup table */
 233 static const struct stv090x_tab stv090x_rf_tab[] = {
 234         {  -5, 0xcaa1 }, /*  -5dBm */
 235         { -10, 0xc229 }, /* -10dBm */
 236         { -15, 0xbb08 }, /* -15dBm */
 237         { -20, 0xb4bc }, /* -20dBm */
 238         { -25, 0xad5a }, /* -25dBm */
 239         { -30, 0xa298 }, /* -30dBm */
 240         { -35, 0x98a8 }, /* -35dBm */
 241         { -40, 0x8389 }, /* -40dBm */
 242         { -45, 0x59be }, /* -45dBm */
 243         { -50, 0x3a14 }, /* -50dBm */
 244         { -55, 0x2d11 }, /* -55dBm */
 245         { -60, 0x210d }, /* -60dBm */
 246         { -65, 0xa14f }, /* -65dBm */
 247         { -70, 0x07aa }  /* -70dBm */
 248 };
 249
 250
 251 static struct stv090x_reg stv0900_initval[] = {
 252
 253         { STV090x_OUTCFG,               0x00 },
 254         { STV090x_MODECFG,              0xff },
 255         { STV090x_AGCRF1CFG,            0x11 },
 256         { STV090x_AGCRF2CFG,            0x13 },
 257         { STV090x_TSGENERAL1X,          0x14 },
 258         { STV090x_TSTTNR2,              0x21 },
 259         { STV090x_TSTTNR4,              0x21 },
 260         { STV090x_P2_DISTXCTL,          0x22 },
 261         { STV090x_P2_F22TX,             0xc0 },
 262         { STV090x_P2_F22RX,             0xc0 },
 263         { STV090x_P2_DISRXCTL,          0x00 },
 264         { STV090x_P2_DMDCFGMD,          0xF9 },
 265         { STV090x_P2_DEMOD,             0x08 },
 266         { STV090x_P2_DMDCFG3,           0xc4 },
 267         { STV090x_P2_CARFREQ,           0xed },
 268         { STV090x_P2_LDT,               0xd0 },
 269         { STV090x_P2_LDT2,              0xb8 },
 270         { STV090x_P2_TMGCFG,            0xd2 },
 271         { STV090x_P2_TMGTHRISE,         0x20 },
 272         { STV090x_P1_TMGCFG,            0xd2 },
 273
 274         { STV090x_P2_TMGTHFALL,         0x00 },
 275         { STV090x_P2_FECSPY,            0x88 },
 276         { STV090x_P2_FSPYDATA,          0x3a },
 277         { STV090x_P2_FBERCPT4,          0x00 },
 278         { STV090x_P2_FSPYBER,           0x10 },
 279         { STV090x_P2_ERRCTRL1,          0x35 },
 280         { STV090x_P2_ERRCTRL2,          0xc1 },
 281         { STV090x_P2_CFRICFG,           0xf8 },
 282         { STV090x_P2_NOSCFG,            0x1c },
 283         { STV090x_P2_DMDTOM,            0x20 },
 284         { STV090x_P2_CORRELMANT,        0x70 },
 285         { STV090x_P2_CORRELABS,         0x88 },
 286         { STV090x_P2_AGC2O,             0x5b },
 287         { STV090x_P2_AGC2REF,           0x38 },
 288         { STV090x_P2_CARCFG,            0xe4 },
 289         { STV090x_P2_ACLC,              0x1A },
 290         { STV090x_P2_BCLC,              0x09 },
 291         { STV090x_P2_CARHDR,            0x08 },
 292         { STV090x_P2_KREFTMG,           0xc1 },
 293         { STV090x_P2_SFRUPRATIO,        0xf0 },
 294         { STV090x_P2_SFRLOWRATIO,       0x70 },
 295         { STV090x_P2_SFRSTEP,           0x58 },
 296         { STV090x_P2_TMGCFG2,           0x01 },
 297         { STV090x_P2_CAR2CFG,           0x26 },
 298         { STV090x_P2_BCLC2S2Q,          0x86 },
 299         { STV090x_P2_BCLC2S28,          0x86 },
 300         { STV090x_P2_SMAPCOEF7,         0x77 },
 301         { STV090x_P2_SMAPCOEF6,         0x85 },
 302         { STV090x_P2_SMAPCOEF5,         0x77 },
 303         { STV090x_P2_TSCFGL,            0x20 },
 304         { STV090x_P2_DMDCFG2,           0x3b },
 305         { STV090x_P2_MODCODLST0,        0xff },
 306         { STV090x_P2_MODCODLST1,        0xff },
 307         { STV090x_P2_MODCODLST2,        0xff },
 308         { STV090x_P2_MODCODLST3,        0xff },
 309         { STV090x_P2_MODCODLST4,        0xff },
 310         { STV090x_P2_MODCODLST5,        0xff },
 311         { STV090x_P2_MODCODLST6,        0xff },
 312         { STV090x_P2_MODCODLST7,        0xcc },
 313         { STV090x_P2_MODCODLST8,        0xcc },
 314         { STV090x_P2_MODCODLST9,        0xcc },
 315         { STV090x_P2_MODCODLSTA,        0xcc },
 316         { STV090x_P2_MODCODLSTB,        0xcc },
 317         { STV090x_P2_MODCODLSTC,        0xcc },
 318         { STV090x_P2_MODCODLSTD,        0xcc },
 319         { STV090x_P2_MODCODLSTE,        0xcc },
 320         { STV090x_P2_MODCODLSTF,        0xcf },
 321         { STV090x_P1_DISTXCTL,          0x22 },
 322         { STV090x_P1_F22TX,             0xc0 },
 323         { STV090x_P1_F22RX,             0xc0 },
 324         { STV090x_P1_DISRXCTL,          0x00 },
 325         { STV090x_P1_DMDCFGMD,          0xf9 },
 326         { STV090x_P1_DEMOD,             0x08 },
 327         { STV090x_P1_DMDCFG3,           0xc4 },
 328         { STV090x_P1_DMDTOM,            0x20 },
 329         { STV090x_P1_CARFREQ,           0xed },
 330         { STV090x_P1_LDT,               0xd0 },
 331         { STV090x_P1_LDT2,              0xb8 },
 332         { STV090x_P1_TMGCFG,            0xd2 },
 333         { STV090x_P1_TMGTHRISE,         0x20 },
 334         { STV090x_P1_TMGTHFALL,         0x00 },
 335         { STV090x_P1_SFRUPRATIO,        0xf0 },
 336         { STV090x_P1_SFRLOWRATIO,       0x70 },
 337         { STV090x_P1_TSCFGL,            0x20 },
 338         { STV090x_P1_FECSPY,            0x88 },
 339         { STV090x_P1_FSPYDATA,          0x3a },
 340         { STV090x_P1_FBERCPT4,          0x00 },
 341         { STV090x_P1_FSPYBER,           0x10 },
 342         { STV090x_P1_ERRCTRL1,          0x35 },
 343         { STV090x_P1_ERRCTRL2,          0xc1 },
 344         { STV090x_P1_CFRICFG,           0xf8 },
 345         { STV090x_P1_NOSCFG,            0x1c },
 346         { STV090x_P1_CORRELMANT,        0x70 },
 347         { STV090x_P1_CORRELABS,         0x88 },
 348         { STV090x_P1_AGC2O,             0x5b },
 349         { STV090x_P1_AGC2REF,           0x38 },
 350         { STV090x_P1_CARCFG,            0xe4 },
 351         { STV090x_P1_ACLC,              0x1A },
 352         { STV090x_P1_BCLC,              0x09 },
 353         { STV090x_P1_CARHDR,            0x08 },
 354         { STV090x_P1_KREFTMG,           0xc1 },
 355         { STV090x_P1_SFRSTEP,           0x58 },
 356         { STV090x_P1_TMGCFG2,           0x01 },
 357         { STV090x_P1_CAR2CFG,           0x26 },
 358         { STV090x_P1_BCLC2S2Q,          0x86 },
 359         { STV090x_P1_BCLC2S28,          0x86 },
 360         { STV090x_P1_SMAPCOEF7,         0x77 },
 361         { STV090x_P1_SMAPCOEF6,         0x85 },
 362         { STV090x_P1_SMAPCOEF5,         0x77 },
 363         { STV090x_P1_DMDCFG2,           0x3b },
 364         { STV090x_P1_MODCODLST0,        0xff },
 365         { STV090x_P1_MODCODLST1,        0xff },
 366         { STV090x_P1_MODCODLST2,        0xff },
 367         { STV090x_P1_MODCODLST3,        0xff },
 368         { STV090x_P1_MODCODLST4,        0xff },
 369         { STV090x_P1_MODCODLST5,        0xff },
 370         { STV090x_P1_MODCODLST6,        0xff },
 371         { STV090x_P1_MODCODLST7,        0xcc },
 372         { STV090x_P1_MODCODLST8,        0xcc },
 373         { STV090x_P1_MODCODLST9,        0xcc },
 374         { STV090x_P1_MODCODLSTA,        0xcc },
 375         { STV090x_P1_MODCODLSTB,        0xcc },
 376         { STV090x_P1_MODCODLSTC,        0xcc },
 377         { STV090x_P1_MODCODLSTD,        0xcc },
 378         { STV090x_P1_MODCODLSTE,        0xcc },
 379         { STV090x_P1_MODCODLSTF,        0xcf },
 380         { STV090x_GENCFG,               0x1d },
 381         { STV090x_NBITER_NF4,           0x37 },
 382         { STV090x_NBITER_NF5,           0x29 },
 383         { STV090x_NBITER_NF6,           0x37 },
 384         { STV090x_NBITER_NF7,           0x33 },
 385         { STV090x_NBITER_NF8,           0x31 },
 386         { STV090x_NBITER_NF9,           0x2f },
 387         { STV090x_NBITER_NF10,          0x39 },
 388         { STV090x_NBITER_NF11,          0x3a },
 389         { STV090x_NBITER_NF12,          0x29 },
 390         { STV090x_NBITER_NF13,          0x37 },
 391         { STV090x_NBITER_NF14,          0x33 },
 392         { STV090x_NBITER_NF15,          0x2f },
 393         { STV090x_NBITER_NF16,          0x39 },
 394         { STV090x_NBITER_NF17,          0x3a },
 395         { STV090x_NBITERNOERR,          0x04 },
 396         { STV090x_GAINLLR_NF4,          0x0C },
 397         { STV090x_GAINLLR_NF5,          0x0F },
 398         { STV090x_GAINLLR_NF6,          0x11 },
 399         { STV090x_GAINLLR_NF7,          0x14 },
 400         { STV090x_GAINLLR_NF8,          0x17 },
 401         { STV090x_GAINLLR_NF9,          0x19 },
 402         { STV090x_GAINLLR_NF10,         0x20 },
 403         { STV090x_GAINLLR_NF11,         0x21 },
 404         { STV090x_GAINLLR_NF12,         0x0D },
 405         { STV090x_GAINLLR_NF13,         0x0F },
 406         { STV090x_GAINLLR_NF14,         0x13 },
 407         { STV090x_GAINLLR_NF15,         0x1A },
 408         { STV090x_GAINLLR_NF16,         0x1F },
 409         { STV090x_GAINLLR_NF17,         0x21 },
 410         { STV090x_RCCFGH,               0x20 },
 411         { STV090x_P1_FECM,              0x01 }, /* disable DSS modes */
 412         { STV090x_P2_FECM,              0x01 }, /* disable DSS modes */
 413         { STV090x_P1_PRVIT,             0x2F }, /* disable PR 6/7 */
 414         { STV090x_P2_PRVIT,             0x2F }, /* disable PR 6/7 */
 415 };
 416
 417 static struct stv090x_reg stv0903_initval[] = {
 418         { STV090x_OUTCFG,               0x00 },
 419         { STV090x_AGCRF1CFG,            0x11 },
 420         { STV090x_STOPCLK1,             0x48 },
 421         { STV090x_STOPCLK2,             0x14 },
 422         { STV090x_TSTTNR1,              0x27 },
 423         { STV090x_TSTTNR2,              0x21 },
 424         { STV090x_P1_DISTXCTL,          0x22 },
 425         { STV090x_P1_F22TX,             0xc0 },
 426         { STV090x_P1_F22RX,             0xc0 },
 427         { STV090x_P1_DISRXCTL,          0x00 },
 428         { STV090x_P1_DMDCFGMD,          0xF9 },
 429         { STV090x_P1_DEMOD,             0x08 },
 430         { STV090x_P1_DMDCFG3,           0xc4 },
 431         { STV090x_P1_CARFREQ,           0xed },
 432         { STV090x_P1_TNRCFG2,           0x82 },
 433         { STV090x_P1_LDT,               0xd0 },
 434         { STV090x_P1_LDT2,              0xb8 },
 435         { STV090x_P1_TMGCFG,            0xd2 },
 436         { STV090x_P1_TMGTHRISE,         0x20 },
 437         { STV090x_P1_TMGTHFALL,         0x00 },
 438         { STV090x_P1_SFRUPRATIO,        0xf0 },
 439         { STV090x_P1_SFRLOWRATIO,       0x70 },
 440         { STV090x_P1_TSCFGL,            0x20 },
 441         { STV090x_P1_FECSPY,            0x88 },
 442         { STV090x_P1_FSPYDATA,          0x3a },
 443         { STV090x_P1_FBERCPT4,          0x00 },
 444         { STV090x_P1_FSPYBER,           0x10 },
 445         { STV090x_P1_ERRCTRL1,          0x35 },
 446         { STV090x_P1_ERRCTRL2,          0xc1 },
 447         { STV090x_P1_CFRICFG,           0xf8 },
 448         { STV090x_P1_NOSCFG,            0x1c },
 449         { STV090x_P1_DMDTOM,            0x20 },
 450         { STV090x_P1_CORRELMANT,        0x70 },
 451         { STV090x_P1_CORRELABS,         0x88 },
 452         { STV090x_P1_AGC2O,             0x5b },
 453         { STV090x_P1_AGC2REF,           0x38 },
 454         { STV090x_P1_CARCFG,            0xe4 },
 455         { STV090x_P1_ACLC,              0x1A },
 456         { STV090x_P1_BCLC,              0x09 },
 457         { STV090x_P1_CARHDR,            0x08 },
 458         { STV090x_P1_KREFTMG,           0xc1 },
 459         { STV090x_P1_SFRSTEP,           0x58 },
 460         { STV090x_P1_TMGCFG2,           0x01 },
 461         { STV090x_P1_CAR2CFG,           0x26 },
 462         { STV090x_P1_BCLC2S2Q,          0x86 },
 463         { STV090x_P1_BCLC2S28,          0x86 },
 464         { STV090x_P1_SMAPCOEF7,         0x77 },
 465         { STV090x_P1_SMAPCOEF6,         0x85 },
 466         { STV090x_P1_SMAPCOEF5,         0x77 },
 467         { STV090x_P1_DMDCFG2,           0x3b },
 468         { STV090x_P1_MODCODLST0,        0xff },
 469         { STV090x_P1_MODCODLST1,        0xff },
 470         { STV090x_P1_MODCODLST2,        0xff },
 471         { STV090x_P1_MODCODLST3,        0xff },
 472         { STV090x_P1_MODCODLST4,        0xff },
 473         { STV090x_P1_MODCODLST5,        0xff },
 474         { STV090x_P1_MODCODLST6,        0xff },
 475         { STV090x_P1_MODCODLST7,        0xcc },
 476         { STV090x_P1_MODCODLST8,        0xcc },
 477         { STV090x_P1_MODCODLST9,        0xcc },
 478         { STV090x_P1_MODCODLSTA,        0xcc },
 479         { STV090x_P1_MODCODLSTB,        0xcc },
 480         { STV090x_P1_MODCODLSTC,        0xcc },
 481         { STV090x_P1_MODCODLSTD,        0xcc },
 482         { STV090x_P1_MODCODLSTE,        0xcc },
 483         { STV090x_P1_MODCODLSTF,        0xcf },
 484         { STV090x_GENCFG,               0x1c },
 485         { STV090x_NBITER_NF4,           0x37 },
 486         { STV090x_NBITER_NF5,           0x29 },
 487         { STV090x_NBITER_NF6,           0x37 },
 488         { STV090x_NBITER_NF7,           0x33 },
 489         { STV090x_NBITER_NF8,           0x31 },
 490         { STV090x_NBITER_NF9,           0x2f },
 491         { STV090x_NBITER_NF10,          0x39 },
 492         { STV090x_NBITER_NF11,          0x3a },
 493         { STV090x_NBITER_NF12,          0x29 },
 494         { STV090x_NBITER_NF13,          0x37 },
 495         { STV090x_NBITER_NF14,          0x33 },
 496         { STV090x_NBITER_NF15,          0x2f },
 497         { STV090x_NBITER_NF16,          0x39 },
 498         { STV090x_NBITER_NF17,          0x3a },
 499         { STV090x_NBITERNOERR,          0x04 },
 500         { STV090x_GAINLLR_NF4,          0x0C },
 501         { STV090x_GAINLLR_NF5,          0x0F },
 502         { STV090x_GAINLLR_NF6,          0x11 },
 503         { STV090x_GAINLLR_NF7,          0x14 },
 504         { STV090x_GAINLLR_NF8,          0x17 },
 505         { STV090x_GAINLLR_NF9,          0x19 },
 506         { STV090x_GAINLLR_NF10,         0x20 },
 507         { STV090x_GAINLLR_NF11,         0x21 },
 508         { STV090x_GAINLLR_NF12,         0x0D },
 509         { STV090x_GAINLLR_NF13,         0x0F },
 510         { STV090x_GAINLLR_NF14,         0x13 },
 511         { STV090x_GAINLLR_NF15,         0x1A },
 512         { STV090x_GAINLLR_NF16,         0x1F },
 513         { STV090x_GAINLLR_NF17,         0x21 },
 514         { STV090x_RCCFGH,               0x20 },
 515         { STV090x_P1_FECM,              0x01 }, /*disable the DSS mode */
 516         { STV090x_P1_PRVIT,             0x2f }  /*disable puncture rate 6/7*/
 517 };
 518
 519 static struct stv090x_reg stv0900_cut20_val[] = {
 520
 521         { STV090x_P2_DMDCFG3,           0xe8 },
 522         { STV090x_P2_DMDCFG4,           0x10 },
 523         { STV090x_P2_CARFREQ,           0x38 },
 524         { STV090x_P2_CARHDR,            0x20 },
 525         { STV090x_P2_KREFTMG,           0x5a },
 526         { STV090x_P2_SMAPCOEF7,         0x06 },
 527         { STV090x_P2_SMAPCOEF6,         0x00 },
 528         { STV090x_P2_SMAPCOEF5,         0x04 },
 529         { STV090x_P2_NOSCFG,            0x0c },
 530         { STV090x_P1_DMDCFG3,           0xe8 },
 531         { STV090x_P1_DMDCFG4,           0x10 },
 532         { STV090x_P1_CARFREQ,           0x38 },
 533         { STV090x_P1_CARHDR,            0x20 },
 534         { STV090x_P1_KREFTMG,           0x5a },
 535         { STV090x_P1_SMAPCOEF7,         0x06 },
 536         { STV090x_P1_SMAPCOEF6,         0x00 },
 537         { STV090x_P1_SMAPCOEF5,         0x04 },
 538         { STV090x_P1_NOSCFG,            0x0c },
 539         { STV090x_GAINLLR_NF4,          0x21 },
 540         { STV090x_GAINLLR_NF5,          0x21 },
 541         { STV090x_GAINLLR_NF6,          0x20 },
 542         { STV090x_GAINLLR_NF7,          0x1F },
 543         { STV090x_GAINLLR_NF8,          0x1E },
 544         { STV090x_GAINLLR_NF9,          0x1E },
 545         { STV090x_GAINLLR_NF10,         0x1D },
 546         { STV090x_GAINLLR_NF11,         0x1B },
 547         { STV090x_GAINLLR_NF12,         0x20 },
 548         { STV090x_GAINLLR_NF13,         0x20 },
 549         { STV090x_GAINLLR_NF14,         0x20 },
 550         { STV090x_GAINLLR_NF15,         0x20 },
 551         { STV090x_GAINLLR_NF16,         0x20 },
 552         { STV090x_GAINLLR_NF17,         0x21 },
 553 };
 554
 555 static struct stv090x_reg stv0903_cut20_val[] = {
 556         { STV090x_P1_DMDCFG3,           0xe8 },
 557         { STV090x_P1_DMDCFG4,           0x10 },
 558         { STV090x_P1_CARFREQ,           0x38 },
 559         { STV090x_P1_CARHDR,            0x20 },
 560         { STV090x_P1_KREFTMG,           0x5a },
 561         { STV090x_P1_SMAPCOEF7,         0x06 },
 562         { STV090x_P1_SMAPCOEF6,         0x00 },
 563         { STV090x_P1_SMAPCOEF5,         0x04 },
 564         { STV090x_P1_NOSCFG,            0x0c },
 565         { STV090x_GAINLLR_NF4,          0x21 },
 566         { STV090x_GAINLLR_NF5,          0x21 },
 567         { STV090x_GAINLLR_NF6,          0x20 },
 568         { STV090x_GAINLLR_NF7,          0x1F },
 569         { STV090x_GAINLLR_NF8,          0x1E },
 570         { STV090x_GAINLLR_NF9,          0x1E },
 571         { STV090x_GAINLLR_NF10,         0x1D },
 572         { STV090x_GAINLLR_NF11,         0x1B },
 573         { STV090x_GAINLLR_NF12,         0x20 },
 574         { STV090x_GAINLLR_NF13,         0x20 },
 575         { STV090x_GAINLLR_NF14,         0x20 },
 576         { STV090x_GAINLLR_NF15,         0x20 },
 577         { STV090x_GAINLLR_NF16,         0x20 },
 578         { STV090x_GAINLLR_NF17,         0x21 }
 579 };
 580
 581 /* Cut 2.0 Long Frame Tracking CR loop */
 582 static struct stv090x_long_frame_crloop stv090x_s2_crl_cut20[] = {
 583         /* MODCOD  2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
 584         { STV090x_QPSK_12,  0x1f, 0x3f, 0x1e, 0x3f, 0x3d, 0x1f, 0x3d, 0x3e, 0x3d, 0x1e },
 585         { STV090x_QPSK_35,  0x2f, 0x3f, 0x2e, 0x2f, 0x3d, 0x0f, 0x0e, 0x2e, 0x3d, 0x0e },
 586         { STV090x_QPSK_23,  0x2f, 0x3f, 0x2e, 0x2f, 0x0e, 0x0f, 0x0e, 0x1e, 0x3d, 0x3d },
 587         { STV090x_QPSK_34,  0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
 588         { STV090x_QPSK_45,  0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
 589         { STV090x_QPSK_56,  0x3f, 0x3f, 0x3e, 0x1f, 0x0e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
 590         { STV090x_QPSK_89,  0x3f, 0x3f, 0x3e, 0x1f, 0x1e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
 591         { STV090x_QPSK_910, 0x3f, 0x3f, 0x3e, 0x1f, 0x1e, 0x3e, 0x0e, 0x1e, 0x3d, 0x3d },
 592         { STV090x_8PSK_35,  0x3c, 0x3e, 0x1c, 0x2e, 0x0c, 0x1e, 0x2b, 0x2d, 0x1b, 0x1d },
 593         { STV090x_8PSK_23,  0x1d, 0x3e, 0x3c, 0x2e, 0x2c, 0x1e, 0x0c, 0x2d, 0x2b, 0x1d },
 594         { STV090x_8PSK_34,  0x0e, 0x3e, 0x3d, 0x2e, 0x0d, 0x1e, 0x2c, 0x2d, 0x0c, 0x1d },
 595         { STV090x_8PSK_56,  0x2e, 0x3e, 0x1e, 0x2e, 0x2d, 0x1e, 0x3c, 0x2d, 0x2c, 0x1d },
 596         { STV090x_8PSK_89,  0x3e, 0x3e, 0x1e, 0x2e, 0x3d, 0x1e, 0x0d, 0x2d, 0x3c, 0x1d },
 597         { STV090x_8PSK_910, 0x3e, 0x3e, 0x1e, 0x2e, 0x3d, 0x1e, 0x1d, 0x2d, 0x0d, 0x1d }
 598 };
 599
 600 /* Cut 3.0 Long Frame Tracking CR loop */
 601 static  struct stv090x_long_frame_crloop stv090x_s2_crl_cut30[] = {
 602         /* MODCOD  2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
 603         { STV090x_QPSK_12,  0x3c, 0x2c, 0x0c, 0x2c, 0x1b, 0x2c, 0x1b, 0x1c, 0x0b, 0x3b },
 604         { STV090x_QPSK_35,  0x0d, 0x0d, 0x0c, 0x0d, 0x1b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
 605         { STV090x_QPSK_23,  0x1d, 0x0d, 0x0c, 0x1d, 0x2b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
 606         { STV090x_QPSK_34,  0x1d, 0x1d, 0x0c, 0x1d, 0x2b, 0x3c, 0x1b, 0x1c, 0x0b, 0x3b },
 607         { STV090x_QPSK_45,  0x2d, 0x1d, 0x1c, 0x1d, 0x2b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
 608         { STV090x_QPSK_56,  0x2d, 0x1d, 0x1c, 0x1d, 0x2b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
 609         { STV090x_QPSK_89,  0x3d, 0x2d, 0x1c, 0x1d, 0x3b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
 610         { STV090x_QPSK_910, 0x3d, 0x2d, 0x1c, 0x1d, 0x3b, 0x3c, 0x2b, 0x0c, 0x1b, 0x3b },
 611         { STV090x_8PSK_35,  0x39, 0x29, 0x39, 0x19, 0x19, 0x19, 0x19, 0x19, 0x09, 0x19 },
 612         { STV090x_8PSK_23,  0x2a, 0x39, 0x1a, 0x0a, 0x39, 0x0a, 0x29, 0x39, 0x29, 0x0a },
 613         { STV090x_8PSK_34,  0x2b, 0x3a, 0x1b, 0x1b, 0x3a, 0x1b, 0x1a, 0x0b, 0x1a, 0x3a },
 614         { STV090x_8PSK_56,  0x0c, 0x1b, 0x3b, 0x3b, 0x1b, 0x3b, 0x3a, 0x3b, 0x3a, 0x1b },
 615         { STV090x_8PSK_89,  0x0d, 0x3c, 0x2c, 0x2c, 0x2b, 0x0c, 0x0b, 0x3b, 0x0b, 0x1b },
 616         { STV090x_8PSK_910, 0x0d, 0x0d, 0x2c, 0x3c, 0x3b, 0x1c, 0x0b, 0x3b, 0x0b, 0x1b }
 617 };
 618
 619 /* Cut 2.0 Long Frame Tracking CR Loop */
 620 static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut20[] = {
 621         /* MODCOD  2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
 622         { STV090x_16APSK_23,  0x0c, 0x0c, 0x0c, 0x0c, 0x1d, 0x0c, 0x3c, 0x0c, 0x2c, 0x0c },
 623         { STV090x_16APSK_34,  0x0c, 0x0c, 0x0c, 0x0c, 0x0e, 0x0c, 0x2d, 0x0c, 0x1d, 0x0c },
 624         { STV090x_16APSK_45,  0x0c, 0x0c, 0x0c, 0x0c, 0x1e, 0x0c, 0x3d, 0x0c, 0x2d, 0x0c },
 625         { STV090x_16APSK_56,  0x0c, 0x0c, 0x0c, 0x0c, 0x1e, 0x0c, 0x3d, 0x0c, 0x2d, 0x0c },
 626         { STV090x_16APSK_89,  0x0c, 0x0c, 0x0c, 0x0c, 0x2e, 0x0c, 0x0e, 0x0c, 0x3d, 0x0c },
 627         { STV090x_16APSK_910, 0x0c, 0x0c, 0x0c, 0x0c, 0x2e, 0x0c, 0x0e, 0x0c, 0x3d, 0x0c },
 628         { STV090x_32APSK_34,  0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
 629         { STV090x_32APSK_45,  0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
 630         { STV090x_32APSK_56,  0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
 631         { STV090x_32APSK_89,  0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c },
 632         { STV090x_32APSK_910, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c }
 633 };
 634
 635 /* Cut 3.0 Long Frame Tracking CR Loop */
 636 static struct stv090x_long_frame_crloop stv090x_s2_apsk_crl_cut30[] = {
 637         /* MODCOD  2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
 638         { STV090x_16APSK_23,  0x0a, 0x0a, 0x0a, 0x0a, 0x1a, 0x0a, 0x3a, 0x0a, 0x2a, 0x0a },
 639         { STV090x_16APSK_34,  0x0a, 0x0a, 0x0a, 0x0a, 0x0b, 0x0a, 0x3b, 0x0a, 0x1b, 0x0a },
 640         { STV090x_16APSK_45,  0x0a, 0x0a, 0x0a, 0x0a, 0x1b, 0x0a, 0x3b, 0x0a, 0x2b, 0x0a },
 641         { STV090x_16APSK_56,  0x0a, 0x0a, 0x0a, 0x0a, 0x1b, 0x0a, 0x3b, 0x0a, 0x2b, 0x0a },
 642         { STV090x_16APSK_89,  0x0a, 0x0a, 0x0a, 0x0a, 0x2b, 0x0a, 0x0c, 0x0a, 0x3b, 0x0a },
 643         { STV090x_16APSK_910, 0x0a, 0x0a, 0x0a, 0x0a, 0x2b, 0x0a, 0x0c, 0x0a, 0x3b, 0x0a },
 644         { STV090x_32APSK_34,  0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
 645         { STV090x_32APSK_45,  0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
 646         { STV090x_32APSK_56,  0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
 647         { STV090x_32APSK_89,  0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a },
 648         { STV090x_32APSK_910, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a }
 649 };
 650
 651 static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut20[] = {
 652         /* MODCOD  2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
 653         { STV090x_QPSK_14,  0x0f, 0x3f, 0x0e, 0x3f, 0x2d, 0x2f, 0x2d, 0x1f, 0x3d, 0x3e },
 654         { STV090x_QPSK_13,  0x0f, 0x3f, 0x0e, 0x3f, 0x2d, 0x2f, 0x3d, 0x0f, 0x3d, 0x2e },
 655         { STV090x_QPSK_25,  0x1f, 0x3f, 0x1e, 0x3f, 0x3d, 0x1f, 0x3d, 0x3e, 0x3d, 0x2e }
 656 };
 657
 658 static struct stv090x_long_frame_crloop stv090x_s2_lowqpsk_crl_cut30[] = {
 659         /* MODCOD  2MPon 2MPoff 5MPon 5MPoff 10MPon 10MPoff 20MPon 20MPoff 30MPon 30MPoff */
 660         { STV090x_QPSK_14,  0x0c, 0x3c, 0x0b, 0x3c, 0x2a, 0x2c, 0x2a, 0x1c, 0x3a, 0x3b },
 661         { STV090x_QPSK_13,  0x0c, 0x3c, 0x0b, 0x3c, 0x2a, 0x2c, 0x3a, 0x0c, 0x3a, 0x2b },
 662         { STV090x_QPSK_25,  0x1c, 0x3c, 0x1b, 0x3c, 0x3a, 0x1c, 0x3a, 0x3b, 0x3a, 0x2b }
 663 };
 664
 665 /* Cut 2.0 Short Frame Tracking CR Loop */
 666 static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut20[] = {
 667         /* MODCOD         2M    5M    10M   20M   30M */
 668         { STV090x_QPSK,   0x2f, 0x2e, 0x0e, 0x0e, 0x3d },
 669         { STV090x_8PSK,   0x3e, 0x0e, 0x2d, 0x0d, 0x3c },
 670         { STV090x_16APSK, 0x1e, 0x1e, 0x1e, 0x3d, 0x2d },
 671         { STV090x_32APSK, 0x1e, 0x1e, 0x1e, 0x3d, 0x2d }
 672 };
 673
 674 /* Cut 3.0 Short Frame Tracking CR Loop */
 675 static struct stv090x_short_frame_crloop stv090x_s2_short_crl_cut30[] = {
 676         /* MODCOD         2M    5M    10M   20M   30M */
 677         { STV090x_QPSK,   0x2C, 0x2B, 0x0B, 0x0B, 0x3A },
 678         { STV090x_8PSK,   0x3B, 0x0B, 0x2A, 0x0A, 0x39 },
 679         { STV090x_16APSK, 0x1B, 0x1B, 0x1B, 0x3A, 0x2A },
 680         { STV090x_32APSK, 0x1B, 0x1B, 0x1B, 0x3A, 0x2A }
 681 };
 682
 683 static inline s32 comp2(s32 __x, s32 __width)
 684 {
 685         if (__width == 32)
 686                 return __x;
 687         else
 688                 return (__x >= (1 << (__width - 1))) ? (__x - (1 << __width)) : __x;
 689 }
 690
 691 static int stv090x_read_reg(struct stv090x_state *state, unsigned int reg)
 692 {
 693         const struct stv090x_config *config = state->config;
 694         int ret;
 695
 696         u8 b0[] = { reg >> 8, reg & 0xff };
 697         u8 buf;
 698
 699         struct i2c_msg msg[] = {
 700                 { .addr = config->address, .flags       = 0,            .buf = b0,   .len = 2 },
 701                 { .addr = config->address, .flags       = I2C_M_RD,     .buf = &buf, .len = 1 }
 702         };
 703
 704         ret = i2c_transfer(state->i2c, msg, 2);
 705         if (ret != 2) {
 706                 if (ret != -ERESTARTSYS)
 707                         dprintk(FE_ERROR, 1,
 708                                 "Read error, Reg=[0x%02x], Status=%d",
 709                                 reg, ret);
 710
 711                 return ret < 0 ? ret : -EREMOTEIO;
 712         }
 713         if (unlikely(*state->verbose >= FE_DEBUGREG))
 714                 dprintk(FE_ERROR, 1, "Reg=[0x%02x], data=%02x",
 715                         reg, buf);
 716
 717         return (unsigned int) buf;
 718 }
 719
 720 static int stv090x_write_regs(struct stv090x_state *state, unsigned int reg, u8 *data, u32 count)
 721 {
 722         const struct stv090x_config *config = state->config;
 723         int ret;
 724         u8 buf[2 + count];
 725         struct i2c_msg i2c_msg = { .addr = config->address, .flags = 0, .buf = buf, .len = 2 + count };
 726
 727         buf[0] = reg >> 8;
 728         buf[1] = reg & 0xff;
 729         memcpy(&buf[2], data, count);
 730
 731         if (unlikely(*state->verbose >= FE_DEBUGREG)) {
 732                 int i;
 733
 734                 printk(KERN_DEBUG "%s [0x%04x]:", __func__, reg);
 735                 for (i = 0; i < count; i++)
 736                         printk(" %02x", data[i]);
 737                 printk("\n");
 738         }
 739
 740         ret = i2c_transfer(state->i2c, &i2c_msg, 1);
 741         if (ret != 1) {
 742                 if (ret != -ERESTARTSYS)
 743                         dprintk(FE_ERROR, 1, "Reg=[0x%04x], Data=[0x%02x ...], Count=%u, Status=%d",
 744                                 reg, data[0], count, ret);
 745                 return ret < 0 ? ret : -EREMOTEIO;
 746         }
 747
 748         return 0;
 749 }
 750
 751 static int stv090x_write_reg(struct stv090x_state *state, unsigned int reg, u8 data)
 752 {
 753         return stv090x_write_regs(state, reg, &data, 1);
 754 }
 755
 756 static int stv090x_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
 757 {
 758         struct stv090x_state *state = fe->demodulator_priv;
 759         u32 reg;
 760
 761         if (enable)
 762                 mutex_lock(&state->internal->tuner_lock);
 763
 764         reg = STV090x_READ_DEMOD(state, I2CRPT);
 765         if (enable) {
 766                 dprintk(FE_DEBUG, 1, "Enable Gate");
 767                 STV090x_SETFIELD_Px(reg, I2CT_ON_FIELD, 1);
 768                 if (STV090x_WRITE_DEMOD(state, I2CRPT, reg) < 0)
 769                         goto err;
 770
 771         } else {
 772                 dprintk(FE_DEBUG, 1, "Disable Gate");
 773                 STV090x_SETFIELD_Px(reg, I2CT_ON_FIELD, 0);
 774                 if ((STV090x_WRITE_DEMOD(state, I2CRPT, reg)) < 0)
 775                         goto err;
 776         }
 777
 778         if (!enable)
 779                 mutex_unlock(&state->internal->tuner_lock);
 780
 781         return 0;
 782 err:
 783         dprintk(FE_ERROR, 1, "I/O error");
 784         mutex_unlock(&state->internal->tuner_lock);
 785         return -1;
 786 }
 787
 788 static void stv090x_get_lock_tmg(struct stv090x_state *state)
 789 {
 790         switch (state->algo) {
 791         case STV090x_BLIND_SEARCH:
 792                 dprintk(FE_DEBUG, 1, "Blind Search");
 793                 if (state->srate <= 1500000) {  /*10Msps< SR <=15Msps*/
 794                         state->DemodTimeout = 1500;
 795                         state->FecTimeout = 400;
 796                 } else if (state->srate <= 5000000) {  /*10Msps< SR <=15Msps*/
 797                         state->DemodTimeout = 1000;
 798                         state->FecTimeout = 300;
 799                 } else {  /*SR >20Msps*/
 800                         state->DemodTimeout = 700;
 801                         state->FecTimeout = 100;
 802                 }
 803                 break;
 804
 805         case STV090x_COLD_SEARCH:
 806         case STV090x_WARM_SEARCH:
 807         default:
 808                 dprintk(FE_DEBUG, 1, "Normal Search");
 809                 if (state->srate <= 1000000) {  /*SR <=1Msps*/
 810                         state->DemodTimeout = 4500;
 811                         state->FecTimeout = 1700;
 812                 } else if (state->srate <= 2000000) { /*1Msps < SR <= 2Msps */
 813                         state->DemodTimeout = 2500;
 814                         state->FecTimeout = 1100;
 815                 } else if (state->srate <= 5000000) { /*2Msps < SR <= 5Msps */
 816                         state->DemodTimeout = 1000;
 817                         state->FecTimeout = 550;
 818                 } else if (state->srate <= 10000000) { /*5Msps < SR <= 10Msps */
 819                         state->DemodTimeout = 700;
 820                         state->FecTimeout = 250;
 821                 } else if (state->srate <= 20000000) { /*10Msps < SR <= 20Msps */
 822                         state->DemodTimeout = 400;
 823                         state->FecTimeout = 130;
 824                 } else {   /*SR >20Msps*/
 825                         state->DemodTimeout = 300;
 826                         state->FecTimeout = 100;
 827                 }
 828                 break;
 829         }
 830
 831         if (state->algo == STV090x_WARM_SEARCH)
 832                 state->DemodTimeout /= 2;
 833 }
 834
 835 static int stv090x_set_srate(struct stv090x_state *state, u32 srate)
 836 {
 837         u32 sym;
 838
 839         if (srate > 60000000) {
 840                 sym  = (srate << 4); /* SR * 2^16 / master_clk */
 841                 sym /= (state->internal->mclk >> 12);
 842         } else if (srate > 6000000) {
 843                 sym  = (srate << 6);
 844                 sym /= (state->internal->mclk >> 10);
 845         } else {
 846                 sym  = (srate << 9);
 847                 sym /= (state->internal->mclk >> 7);
 848         }
 849
 850         if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0x7f) < 0) /* MSB */
 851                 goto err;
 852         if (STV090x_WRITE_DEMOD(state, SFRINIT0, (sym & 0xff)) < 0) /* LSB */
 853                 goto err;
 854
 855         return 0;
 856 err:
 857         dprintk(FE_ERROR, 1, "I/O error");
 858         return -1;
 859 }
 860
 861 static int stv090x_set_max_srate(struct stv090x_state *state, u32 clk, u32 srate)
 862 {
 863         u32 sym;
 864
 865         srate = 105 * (srate / 100);
 866         if (srate > 60000000) {
 867                 sym  = (srate << 4); /* SR * 2^16 / master_clk */
 868                 sym /= (state->internal->mclk >> 12);
 869         } else if (srate > 6000000) {
 870                 sym  = (srate << 6);
 871                 sym /= (state->internal->mclk >> 10);
 872         } else {
 873                 sym  = (srate << 9);
 874                 sym /= (state->internal->mclk >> 7);
 875         }
 876
 877         if (sym < 0x7fff) {
 878                 if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0) /* MSB */
 879                         goto err;
 880                 if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0) /* LSB */
 881                         goto err;
 882         } else {
 883                 if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x7f) < 0) /* MSB */
 884                         goto err;
 885                 if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xff) < 0) /* LSB */
 886                         goto err;
 887         }
 888
 889         return 0;
 890 err:
 891         dprintk(FE_ERROR, 1, "I/O error");
 892         return -1;
 893 }
 894
 895 static int stv090x_set_min_srate(struct stv090x_state *state, u32 clk, u32 srate)
 896 {
 897         u32 sym;
 898
 899         srate = 95 * (srate / 100);
 900         if (srate > 60000000) {
 901                 sym  = (srate << 4); /* SR * 2^16 / master_clk */
 902                 sym /= (state->internal->mclk >> 12);
 903         } else if (srate > 6000000) {
 904                 sym  = (srate << 6);
 905                 sym /= (state->internal->mclk >> 10);
 906         } else {
 907                 sym  = (srate << 9);
 908                 sym /= (state->internal->mclk >> 7);
 909         }
 910
 911         if (STV090x_WRITE_DEMOD(state, SFRLOW1, ((sym >> 8) & 0x7f)) < 0) /* MSB */
 912                 goto err;
 913         if (STV090x_WRITE_DEMOD(state, SFRLOW0, (sym & 0xff)) < 0) /* LSB */
 914                 goto err;
 915         return 0;
 916 err:
 917         dprintk(FE_ERROR, 1, "I/O error");
 918         return -1;
 919 }
 920
 921 static u32 stv090x_car_width(u32 srate, enum stv090x_rolloff rolloff)
 922 {
 923         u32 ro;
 924
 925         switch (rolloff) {
 926         case STV090x_RO_20:
 927                 ro = 20;
 928                 break;
 929         case STV090x_RO_25:
 930                 ro = 25;
 931                 break;
 932         case STV090x_RO_35:
 933         default:
 934                 ro = 35;
 935                 break;
 936         }
 937
 938         return srate + (srate * ro) / 100;
 939 }
 940
 941 static int stv090x_set_vit_thacq(struct stv090x_state *state)
 942 {
 943         if (STV090x_WRITE_DEMOD(state, VTH12, 0x96) < 0)
 944                 goto err;
 945         if (STV090x_WRITE_DEMOD(state, VTH23, 0x64) < 0)
 946                 goto err;
 947         if (STV090x_WRITE_DEMOD(state, VTH34, 0x36) < 0)
 948                 goto err;
 949         if (STV090x_WRITE_DEMOD(state, VTH56, 0x23) < 0)
 950                 goto err;
 951         if (STV090x_WRITE_DEMOD(state, VTH67, 0x1e) < 0)
 952                 goto err;
 953         if (STV090x_WRITE_DEMOD(state, VTH78, 0x19) < 0)
 954                 goto err;
 955         return 0;
 956 err:
 957         dprintk(FE_ERROR, 1, "I/O error");
 958         return -1;
 959 }
 960
 961 static int stv090x_set_vit_thtracq(struct stv090x_state *state)
 962 {
 963         if (STV090x_WRITE_DEMOD(state, VTH12, 0xd0) < 0)
 964                 goto err;
 965         if (STV090x_WRITE_DEMOD(state, VTH23, 0x7d) < 0)
 966                 goto err;
 967         if (STV090x_WRITE_DEMOD(state, VTH34, 0x53) < 0)
 968                 goto err;
 969         if (STV090x_WRITE_DEMOD(state, VTH56, 0x2f) < 0)
 970                 goto err;
 971         if (STV090x_WRITE_DEMOD(state, VTH67, 0x24) < 0)
 972                 goto err;
 973         if (STV090x_WRITE_DEMOD(state, VTH78, 0x1f) < 0)
 974                 goto err;
 975         return 0;
 976 err:
 977         dprintk(FE_ERROR, 1, "I/O error");
 978         return -1;
 979 }
 980
 981 static int stv090x_set_viterbi(struct stv090x_state *state)
 982 {
 983         switch (state->search_mode) {
 984         case STV090x_SEARCH_AUTO:
 985                 if (STV090x_WRITE_DEMOD(state, FECM, 0x10) < 0) /* DVB-S and DVB-S2 */
 986                         goto err;
 987                 if (STV090x_WRITE_DEMOD(state, PRVIT, 0x3f) < 0) /* all puncture rate */
 988                         goto err;
 989                 break;
 990         case STV090x_SEARCH_DVBS1:
 991                 if (STV090x_WRITE_DEMOD(state, FECM, 0x00) < 0) /* disable DSS */
 992                         goto err;
 993                 switch (state->fec) {
 994                 case STV090x_PR12:
 995                         if (STV090x_WRITE_DEMOD(state, PRVIT, 0x01) < 0)
 996                                 goto err;
 997                         break;
 998
 999                 case STV090x_PR23:
1000                         if (STV090x_WRITE_DEMOD(state, PRVIT, 0x02) < 0)
1001                                 goto err;
1002                         break;
1003
1004                 case STV090x_PR34:
1005                         if (STV090x_WRITE_DEMOD(state, PRVIT, 0x04) < 0)
1006                                 goto err;
1007                         break;
1008
1009                 case STV090x_PR56:
1010                         if (STV090x_WRITE_DEMOD(state, PRVIT, 0x08) < 0)
1011                                 goto err;
1012                         break;
1013
1014                 case STV090x_PR78:
1015                         if (STV090x_WRITE_DEMOD(state, PRVIT, 0x20) < 0)
1016                                 goto err;
1017                         break;
1018
1019                 default:
1020                         if (STV090x_WRITE_DEMOD(state, PRVIT, 0x2f) < 0) /* all */
1021                                 goto err;
1022                         break;
1023                 }
1024                 break;
1025         case STV090x_SEARCH_DSS:
1026                 if (STV090x_WRITE_DEMOD(state, FECM, 0x80) < 0)
1027                         goto err;
1028                 switch (state->fec) {
1029                 case STV090x_PR12:
1030                         if (STV090x_WRITE_DEMOD(state, PRVIT, 0x01) < 0)
1031                                 goto err;
1032                         break;
1033
1034                 case STV090x_PR23:
1035                         if (STV090x_WRITE_DEMOD(state, PRVIT, 0x02) < 0)
1036                                 goto err;
1037                         break;
1038
1039                 case STV090x_PR67:
1040                         if (STV090x_WRITE_DEMOD(state, PRVIT, 0x10) < 0)
1041                                 goto err;
1042                         break;
1043
1044                 default:
1045                         if (STV090x_WRITE_DEMOD(state, PRVIT, 0x13) < 0) /* 1/2, 2/3, 6/7 */
1046                                 goto err;
1047                         break;
1048                 }
1049                 break;
1050         default:
1051                 break;
1052         }
1053         return 0;
1054 err:
1055         dprintk(FE_ERROR, 1, "I/O error");
1056         return -1;
1057 }
1058
1059 static int stv090x_stop_modcod(struct stv090x_state *state)
1060 {
1061         if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
1062                 goto err;
1063         if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xff) < 0)
1064                 goto err;
1065         if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xff) < 0)
1066                 goto err;
1067         if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xff) < 0)
1068                 goto err;
1069         if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xff) < 0)
1070                 goto err;
1071         if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xff) < 0)
1072                 goto err;
1073         if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xff) < 0)
1074                 goto err;
1075         if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xff) < 0)
1076                 goto err;
1077         if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xff) < 0)
1078                 goto err;
1079         if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xff) < 0)
1080                 goto err;
1081         if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xff) < 0)
1082                 goto err;
1083         if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xff) < 0)
1084                 goto err;
1085         if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xff) < 0)
1086                 goto err;
1087         if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xff) < 0)
1088                 goto err;
1089         if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xff) < 0)
1090                 goto err;
1091         if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xff) < 0)
1092                 goto err;
1093         return 0;
1094 err:
1095         dprintk(FE_ERROR, 1, "I/O error");
1096         return -1;
1097 }
1098
1099 static int stv090x_activate_modcod(struct stv090x_state *state)
1100 {
1101         if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
1102                 goto err;
1103         if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xfc) < 0)
1104                 goto err;
1105         if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xcc) < 0)
1106                 goto err;
1107         if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xcc) < 0)
1108                 goto err;
1109         if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xcc) < 0)
1110                 goto err;
1111         if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xcc) < 0)
1112                 goto err;
1113         if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xcc) < 0)
1114                 goto err;
1115         if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xcc) < 0)
1116                 goto err;
1117         if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xcc) < 0)
1118                 goto err;
1119         if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xcc) < 0)
1120                 goto err;
1121         if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xcc) < 0)
1122                 goto err;
1123         if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xcc) < 0)
1124                 goto err;
1125         if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xcc) < 0)
1126                 goto err;
1127         if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xcc) < 0)
1128                 goto err;
1129         if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xcc) < 0)
1130                 goto err;
1131         if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xcf) < 0)
1132                 goto err;
1133
1134         return 0;
1135 err:
1136         dprintk(FE_ERROR, 1, "I/O error");
1137         return -1;
1138 }
1139
1140 static int stv090x_activate_modcod_single(struct stv090x_state *state)
1141 {
1142
1143         if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
1144                 goto err;
1145         if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xf0) < 0)
1146                 goto err;
1147         if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0x00) < 0)
1148                 goto err;
1149         if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0x00) < 0)
1150                 goto err;
1151         if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0x00) < 0)
1152                 goto err;
1153         if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0x00) < 0)
1154                 goto err;
1155         if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0x00) < 0)
1156                 goto err;
1157         if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0x00) < 0)
1158                 goto err;
1159         if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0x00) < 0)
1160                 goto err;
1161         if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0x00) < 0)
1162                 goto err;
1163         if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0x00) < 0)
1164                 goto err;
1165         if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0x00) < 0)
1166                 goto err;
1167         if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0x00) < 0)
1168                 goto err;
1169         if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0x00) < 0)
1170                 goto err;
1171         if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0x00) < 0)
1172                 goto err;
1173         if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0x0f) < 0)
1174                 goto err;
1175
1176         return 0;
1177
1178 err:
1179         dprintk(FE_ERROR, 1, "I/O error");
1180         return -1;
1181 }
1182
1183 static int stv090x_vitclk_ctl(struct stv090x_state *state, int enable)
1184 {
1185         u32 reg;
1186
1187         switch (state->demod) {
1188         case STV090x_DEMODULATOR_0:
1189                 mutex_lock(&state->internal->demod_lock);
1190                 reg = stv090x_read_reg(state, STV090x_STOPCLK2);
1191                 STV090x_SETFIELD(reg, STOP_CLKVIT1_FIELD, enable);
1192                 if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
1193                         goto err;
1194                 mutex_unlock(&state->internal->demod_lock);
1195                 break;
1196
1197         case STV090x_DEMODULATOR_1:
1198                 mutex_lock(&state->internal->demod_lock);
1199                 reg = stv090x_read_reg(state, STV090x_STOPCLK2);
1200                 STV090x_SETFIELD(reg, STOP_CLKVIT2_FIELD, enable);
1201                 if (stv090x_write_reg(state, STV090x_STOPCLK2, reg) < 0)
1202                         goto err;
1203                 mutex_unlock(&state->internal->demod_lock);
1204                 break;
1205
1206         default:
1207                 dprintk(FE_ERROR, 1, "Wrong demodulator!");
1208                 break;
1209         }
1210         return 0;
1211 err:
1212         mutex_unlock(&state->internal->demod_lock);
1213         dprintk(FE_ERROR, 1, "I/O error");
1214         return -1;
1215 }
1216
1217 static int stv090x_dvbs_track_crl(struct stv090x_state *state)
1218 {
1219         if (state->internal->dev_ver >= 0x30) {
1220                 /* Set ACLC BCLC optimised value vs SR */
1221                 if (state->srate >= 15000000) {
1222                         if (STV090x_WRITE_DEMOD(state, ACLC, 0x2b) < 0)
1223                                 goto err;
1224                         if (STV090x_WRITE_DEMOD(state, BCLC, 0x1a) < 0)
1225                                 goto err;
1226                 } else if ((state->srate >= 7000000) && (15000000 > state->srate)) {
1227                         if (STV090x_WRITE_DEMOD(state, ACLC, 0x0c) < 0)
1228                                 goto err;
1229                         if (STV090x_WRITE_DEMOD(state, BCLC, 0x1b) < 0)
1230                                 goto err;
1231                 } else if (state->srate < 7000000) {
1232                         if (STV090x_WRITE_DEMOD(state, ACLC, 0x2c) < 0)
1233                                 goto err;
1234                         if (STV090x_WRITE_DEMOD(state, BCLC, 0x1c) < 0)
1235                                 goto err;
1236                 }
1237
1238         } else {
1239                 /* Cut 2.0 */
1240                 if (STV090x_WRITE_DEMOD(state, ACLC, 0x1a) < 0)
1241                         goto err;
1242                 if (STV090x_WRITE_DEMOD(state, BCLC, 0x09) < 0)
1243                         goto err;
1244         }
1245         return 0;
1246 err:
1247         dprintk(FE_ERROR, 1, "I/O error");
1248         return -1;
1249 }
1250
1251 static int stv090x_delivery_search(struct stv090x_state *state)
1252 {
1253         u32 reg;
1254
1255         switch (state->search_mode) {
1256         case STV090x_SEARCH_DVBS1:
1257         case STV090x_SEARCH_DSS:
1258                 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1259                 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
1260                 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
1261                 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1262                         goto err;
1263
1264                 /* Activate Viterbi decoder in legacy search,
1265                  * do not use FRESVIT1, might impact VITERBI2
1266                  */
1267                 if (stv090x_vitclk_ctl(state, 0) < 0)
1268                         goto err;
1269
1270                 if (stv090x_dvbs_track_crl(state) < 0)
1271                         goto err;
1272
1273                 if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x22) < 0) /* disable DVB-S2 */
1274                         goto err;
1275
1276                 if (stv090x_set_vit_thacq(state) < 0)
1277                         goto err;
1278                 if (stv090x_set_viterbi(state) < 0)
1279                         goto err;
1280                 break;
1281
1282         case STV090x_SEARCH_DVBS2:
1283                 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1284                 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
1285                 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
1286                 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1287                         goto err;
1288                 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
1289                 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
1290                 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1291                         goto err;
1292
1293                 if (stv090x_vitclk_ctl(state, 1) < 0)
1294                         goto err;
1295
1296                 if (STV090x_WRITE_DEMOD(state, ACLC, 0x1a) < 0) /* stop DVB-S CR loop */
1297                         goto err;
1298                 if (STV090x_WRITE_DEMOD(state, BCLC, 0x09) < 0)
1299                         goto err;
1300
1301                 if (state->internal->dev_ver <= 0x20) {
1302                         /* enable S2 carrier loop */
1303                         if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x26) < 0)
1304                                 goto err;
1305                 } else {
1306                         /* > Cut 3: Stop carrier 3 */
1307                         if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x66) < 0)
1308                                 goto err;
1309                 }
1310
1311                 if (state->demod_mode != STV090x_SINGLE) {
1312                         /* Cut 2: enable link during search */
1313                         if (stv090x_activate_modcod(state) < 0)
1314                                 goto err;
1315                 } else {
1316                         /* Single demodulator
1317                          * Authorize SHORT and LONG frames,
1318                          * QPSK, 8PSK, 16APSK and 32APSK
1319                          */
1320                         if (stv090x_activate_modcod_single(state) < 0)
1321                                 goto err;
1322                 }
1323
1324                 if (stv090x_set_vit_thtracq(state) < 0)
1325                         goto err;
1326                 break;
1327
1328         case STV090x_SEARCH_AUTO:
1329         default:
1330                 /* enable DVB-S2 and DVB-S2 in Auto MODE */
1331                 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1332                 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
1333                 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
1334                 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1335                         goto err;
1336                 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
1337                 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
1338                 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1339                         goto err;
1340
1341                 if (stv090x_vitclk_ctl(state, 0) < 0)
1342                         goto err;
1343
1344                 if (stv090x_dvbs_track_crl(state) < 0)
1345                         goto err;
1346
1347                 if (state->internal->dev_ver <= 0x20) {
1348                         /* enable S2 carrier loop */
1349                         if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x26) < 0)
1350                                 goto err;
1351                 } else {
1352                         /* > Cut 3: Stop carrier 3 */
1353                         if (STV090x_WRITE_DEMOD(state, CAR2CFG, 0x66) < 0)
1354                                 goto err;
1355                 }
1356
1357                 if (state->demod_mode != STV090x_SINGLE) {
1358                         /* Cut 2: enable link during search */
1359                         if (stv090x_activate_modcod(state) < 0)
1360                                 goto err;
1361                 } else {
1362                         /* Single demodulator
1363                          * Authorize SHORT and LONG frames,
1364                          * QPSK, 8PSK, 16APSK and 32APSK
1365                          */
1366                         if (stv090x_activate_modcod_single(state) < 0)
1367                                 goto err;
1368                 }
1369
1370                 if (stv090x_set_vit_thacq(state) < 0)
1371                         goto err;
1372
1373                 if (stv090x_set_viterbi(state) < 0)
1374                         goto err;
1375                 break;
1376         }
1377         return 0;
1378 err:
1379         dprintk(FE_ERROR, 1, "I/O error");
1380         return -1;
1381 }
1382
1383 static int stv090x_start_search(struct stv090x_state *state)
1384 {
1385         u32 reg, freq_abs;
1386         s16 freq;
1387
1388         /* Reset demodulator */
1389         reg = STV090x_READ_DEMOD(state, DMDISTATE);
1390         STV090x_SETFIELD_Px(reg, I2C_DEMOD_MODE_FIELD, 0x1f);
1391         if (STV090x_WRITE_DEMOD(state, DMDISTATE, reg) < 0)
1392                 goto err;
1393
1394         if (state->internal->dev_ver <= 0x20) {
1395                 if (state->srate <= 5000000) {
1396                         if (STV090x_WRITE_DEMOD(state, CARCFG, 0x44) < 0)
1397                                 goto err;
1398                         if (STV090x_WRITE_DEMOD(state, CFRUP1, 0x0f) < 0)
1399                                 goto err;
1400                         if (STV090x_WRITE_DEMOD(state, CFRUP0, 0xff) < 0)
1401                                 goto err;
1402                         if (STV090x_WRITE_DEMOD(state, CFRLOW1, 0xf0) < 0)
1403                                 goto err;
1404                         if (STV090x_WRITE_DEMOD(state, CFRLOW0, 0x00) < 0)
1405                                 goto err;
1406
1407                         /*enlarge the timing bandwith for Low SR*/
1408                         if (STV090x_WRITE_DEMOD(state, RTCS2, 0x68) < 0)
1409                                 goto err;
1410                 } else {
1411                         /* If the symbol rate is >5 Msps
1412                         Set The carrier search up and low to auto mode */
1413                         if (STV090x_WRITE_DEMOD(state, CARCFG, 0xc4) < 0)
1414                                 goto err;
1415                         /*reduce the timing bandwith for high SR*/
1416                         if (STV090x_WRITE_DEMOD(state, RTCS2, 0x44) < 0)
1417                                 goto err;
1418                 }
1419         } else {
1420                 /* >= Cut 3 */
1421                 if (state->srate <= 5000000) {
1422                         /* enlarge the timing bandwith for Low SR */
1423                         STV090x_WRITE_DEMOD(state, RTCS2, 0x68);
1424                 } else {
1425                         /* reduce timing bandwith for high SR */
1426                         STV090x_WRITE_DEMOD(state, RTCS2, 0x44);
1427                 }
1428
1429                 /* Set CFR min and max to manual mode */
1430                 STV090x_WRITE_DEMOD(state, CARCFG, 0x46);
1431
1432                 if (state->algo == STV090x_WARM_SEARCH) {
1433                         /* WARM Start
1434                          * CFR min = -1MHz,
1435                          * CFR max = +1MHz
1436                          */
1437                         freq_abs  = 1000 << 16;
1438                         freq_abs /= (state->internal->mclk / 1000);
1439                         freq      = (s16) freq_abs;
1440                 } else {
1441                         /* COLD Start
1442                          * CFR min =- (SearchRange / 2 + 600KHz)
1443                          * CFR max = +(SearchRange / 2 + 600KHz)
1444                          * (600KHz for the tuner step size)
1445                          */
1446                         freq_abs  = (state->search_range / 2000) + 600;
1447                         freq_abs  = freq_abs << 16;
1448                         freq_abs /= (state->internal->mclk / 1000);
1449                         freq      = (s16) freq_abs;
1450                 }
1451
1452                 if (STV090x_WRITE_DEMOD(state, CFRUP1, MSB(freq)) < 0)
1453                         goto err;
1454                 if (STV090x_WRITE_DEMOD(state, CFRUP0, LSB(freq)) < 0)
1455                         goto err;
1456
1457                 freq *= -1;
1458
1459                 if (STV090x_WRITE_DEMOD(state, CFRLOW1, MSB(freq)) < 0)
1460                         goto err;
1461                 if (STV090x_WRITE_DEMOD(state, CFRLOW0, LSB(freq)) < 0)
1462                         goto err;
1463
1464         }
1465
1466         if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0) < 0)
1467                 goto err;
1468         if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0) < 0)
1469                 goto err;
1470
1471         if (state->internal->dev_ver >= 0x20) {
1472                 if (STV090x_WRITE_DEMOD(state, EQUALCFG, 0x41) < 0)
1473                         goto err;
1474                 if (STV090x_WRITE_DEMOD(state, FFECFG, 0x41) < 0)
1475                         goto err;
1476
1477                 if ((state->search_mode == STV090x_DVBS1)       ||
1478                         (state->search_mode == STV090x_DSS)     ||
1479                         (state->search_mode == STV090x_SEARCH_AUTO)) {
1480
1481                         if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x82) < 0)
1482                                 goto err;
1483                         if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x00) < 0)
1484                                 goto err;
1485                 }
1486         }
1487
1488         if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x00) < 0)
1489                 goto err;
1490         if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0xe0) < 0)
1491                 goto err;
1492         if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0xc0) < 0)
1493                 goto err;
1494
1495         reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1496         STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0);
1497         STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
1498         if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1499                 goto err;
1500         reg = STV090x_READ_DEMOD(state, DMDCFG2);
1501         STV090x_SETFIELD_Px(reg, S1S2_SEQUENTIAL_FIELD, 0x0);
1502         if (STV090x_WRITE_DEMOD(state, DMDCFG2, reg) < 0)
1503                 goto err;
1504
1505         if (STV090x_WRITE_DEMOD(state, RTC, 0x88) < 0)
1506                 goto err;
1507
1508         if (state->internal->dev_ver >= 0x20) {
1509                 /*Frequency offset detector setting*/
1510                 if (state->srate < 2000000) {
1511                         if (state->internal->dev_ver <= 0x20) {
1512                                 /* Cut 2 */
1513                                 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x39) < 0)
1514                                         goto err;
1515                         } else {
1516                                 /* Cut 3 */
1517                                 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x89) < 0)
1518                                         goto err;
1519                         }
1520                         if (STV090x_WRITE_DEMOD(state, CARHDR, 0x40) < 0)
1521                                 goto err;
1522                 } else if (state->srate < 10000000) {
1523                         if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x4c) < 0)
1524                                 goto err;
1525                         if (STV090x_WRITE_DEMOD(state, CARHDR, 0x20) < 0)
1526                                 goto err;
1527                 } else {
1528                         if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x4b) < 0)
1529                                 goto err;
1530                         if (STV090x_WRITE_DEMOD(state, CARHDR, 0x20) < 0)
1531                                 goto err;
1532                 }
1533         } else {
1534                 if (state->srate < 10000000) {
1535                         if (STV090x_WRITE_DEMOD(state, CARFREQ, 0xef) < 0)
1536                                 goto err;
1537                 } else {
1538                         if (STV090x_WRITE_DEMOD(state, CARFREQ, 0xed) < 0)
1539                                 goto err;
1540                 }
1541         }
1542
1543         switch (state->algo) {
1544         case STV090x_WARM_SEARCH:
1545                 /* The symbol rate and the exact
1546                  * carrier Frequency are known
1547                  */
1548                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
1549                         goto err;
1550                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
1551                         goto err;
1552                 break;
1553
1554         case STV090x_COLD_SEARCH:
1555                 /* The symbol rate is known */
1556                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
1557                         goto err;
1558                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
1559                         goto err;
1560                 break;
1561
1562         default:
1563                 break;
1564         }
1565         return 0;
1566 err:
1567         dprintk(FE_ERROR, 1, "I/O error");
1568         return -1;
1569 }
1570
1571 static int stv090x_get_agc2_min_level(struct stv090x_state *state)
1572 {
1573         u32 agc2_min = 0xffff, agc2 = 0, freq_init, freq_step, reg;
1574         s32 i, j, steps, dir;
1575
1576         if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
1577                 goto err;
1578         reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1579         STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0);
1580         STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
1581         if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1582                 goto err;
1583
1584         if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x83) < 0) /* SR = 65 Msps Max */
1585                 goto err;
1586         if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xc0) < 0)
1587                 goto err;
1588         if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x82) < 0) /* SR= 400 ksps Min */
1589                 goto err;
1590         if (STV090x_WRITE_DEMOD(state, SFRLOW0, 0xa0) < 0)
1591                 goto err;
1592         if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x00) < 0) /* stop acq @ coarse carrier state */
1593                 goto err;
1594         if (stv090x_set_srate(state, 1000000) < 0)
1595                 goto err;
1596
1597         steps  = state->search_range / 1000000;
1598         if (steps <= 0)
1599                 steps = 1;
1600
1601         dir = 1;
1602         freq_step = (1000000 * 256) / (state->internal->mclk / 256);
1603         freq_init = 0;
1604
1605         for (i = 0; i < steps; i++) {
1606                 if (dir > 0)
1607                         freq_init = freq_init + (freq_step * i);
1608                 else
1609                         freq_init = freq_init - (freq_step * i);
1610
1611                 dir *= -1;
1612
1613                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5c) < 0) /* Demod RESET */
1614                         goto err;
1615                 if (STV090x_WRITE_DEMOD(state, CFRINIT1, (freq_init >> 8) & 0xff) < 0)
1616                         goto err;
1617                 if (STV090x_WRITE_DEMOD(state, CFRINIT0, freq_init & 0xff) < 0)
1618                         goto err;
1619                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x58) < 0) /* Demod RESET */
1620                         goto err;
1621                 msleep(10);
1622
1623                 agc2 = 0;
1624                 for (j = 0; j < 10; j++) {
1625                         agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
1626                                 STV090x_READ_DEMOD(state, AGC2I0);
1627                 }
1628                 agc2 /= 10;
1629                 if (agc2 < agc2_min)
1630                         agc2_min = agc2;
1631         }
1632
1633         return agc2_min;
1634 err:
1635         dprintk(FE_ERROR, 1, "I/O error");
1636         return -1;
1637 }
1638
1639 static u32 stv090x_get_srate(struct stv090x_state *state, u32 clk)
1640 {
1641         u8 r3, r2, r1, r0;
1642         s32 srate, int_1, int_2, tmp_1, tmp_2;
1643
1644         r3 = STV090x_READ_DEMOD(state, SFR3);
1645         r2 = STV090x_READ_DEMOD(state, SFR2);
1646         r1 = STV090x_READ_DEMOD(state, SFR1);
1647         r0 = STV090x_READ_DEMOD(state, SFR0);
1648
1649         srate = ((r3 << 24) | (r2 << 16) | (r1 <<  8) | r0);
1650
1651         int_1 = clk >> 16;
1652         int_2 = srate >> 16;
1653
1654         tmp_1 = clk % 0x10000;
1655         tmp_2 = srate % 0x10000;
1656
1657         srate = (int_1 * int_2) +
1658                 ((int_1 * tmp_2) >> 16) +
1659                 ((int_2 * tmp_1) >> 16);
1660
1661         return srate;
1662 }
1663
1664 static u32 stv090x_srate_srch_coarse(struct stv090x_state *state)
1665 {
1666         struct dvb_frontend *fe = &state->frontend;
1667
1668         int tmg_lock = 0, i;
1669         s32 tmg_cpt = 0, dir = 1, steps, cur_step = 0, freq;
1670         u32 srate_coarse = 0, agc2 = 0, car_step = 1200, reg;
1671         u32 agc2th;
1672
1673         if (state->internal->dev_ver >= 0x30)
1674                 agc2th = 0x2e00;
1675         else
1676                 agc2th = 0x1f00;
1677
1678         reg = STV090x_READ_DEMOD(state, DMDISTATE);
1679         STV090x_SETFIELD_Px(reg, I2C_DEMOD_MODE_FIELD, 0x1f); /* Demod RESET */
1680         if (STV090x_WRITE_DEMOD(state, DMDISTATE, reg) < 0)
1681                 goto err;
1682         if (STV090x_WRITE_DEMOD(state, TMGCFG, 0x12) < 0)
1683                 goto err;
1684         if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc0) < 0)
1685                 goto err;
1686         if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0xf0) < 0)
1687                 goto err;
1688         if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0xe0) < 0)
1689                 goto err;
1690         reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1691         STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 1);
1692         STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0);
1693         if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1694                 goto err;
1695
1696         if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x83) < 0)
1697                 goto err;
1698         if (STV090x_WRITE_DEMOD(state, SFRUP0, 0xc0) < 0)
1699                 goto err;
1700         if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x82) < 0)
1701                 goto err;
1702         if (STV090x_WRITE_DEMOD(state, SFRLOW0, 0xa0) < 0)
1703                 goto err;
1704         if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x00) < 0)
1705                 goto err;
1706         if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x50) < 0)
1707                 goto err;
1708
1709         if (state->internal->dev_ver >= 0x30) {
1710                 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x99) < 0)
1711                         goto err;
1712                 if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x98) < 0)
1713                         goto err;
1714
1715         } else if (state->internal->dev_ver >= 0x20) {
1716                 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x6a) < 0)
1717                         goto err;
1718                 if (STV090x_WRITE_DEMOD(state, SFRSTEP, 0x95) < 0)
1719                         goto err;
1720         }
1721
1722         if (state->srate <= 2000000)
1723                 car_step = 1000;
1724         else if (state->srate <= 5000000)
1725                 car_step = 2000;
1726         else if (state->srate <= 12000000)
1727                 car_step = 3000;
1728         else
1729                 car_step = 5000;
1730
1731         steps  = -1 + ((state->search_range / 1000) / car_step);
1732         steps /= 2;
1733         steps  = (2 * steps) + 1;
1734         if (steps < 0)
1735                 steps = 1;
1736         else if (steps > 10) {
1737                 steps = 11;
1738                 car_step = (state->search_range / 1000) / 10;
1739         }
1740         cur_step = 0;
1741         dir = 1;
1742         freq = state->frequency;
1743
1744         while ((!tmg_lock) && (cur_step < steps)) {
1745                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5f) < 0) /* Demod RESET */
1746                         goto err;
1747                 if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0)
1748                         goto err;
1749                 if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
1750                         goto err;
1751                 if (STV090x_WRITE_DEMOD(state, SFRINIT1, 0x00) < 0)
1752                         goto err;
1753                 if (STV090x_WRITE_DEMOD(state, SFRINIT0, 0x00) < 0)
1754                         goto err;
1755                 /* trigger acquisition */
1756                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x40) < 0)
1757                         goto err;
1758                 msleep(50);
1759                 for (i = 0; i < 10; i++) {
1760                         reg = STV090x_READ_DEMOD(state, DSTATUS);
1761                         if (STV090x_GETFIELD_Px(reg, TMGLOCK_QUALITY_FIELD) >= 2)
1762                                 tmg_cpt++;
1763                         agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
1764                                 STV090x_READ_DEMOD(state, AGC2I0);
1765                 }
1766                 agc2 /= 10;
1767                 srate_coarse = stv090x_get_srate(state, state->internal->mclk);
1768                 cur_step++;
1769                 dir *= -1;
1770                 if ((tmg_cpt >= 5) && (agc2 < agc2th) &&
1771                     (srate_coarse < 50000000) && (srate_coarse > 850000))
1772                         tmg_lock = 1;
1773                 else if (cur_step < steps) {
1774                         if (dir > 0)
1775                                 freq += cur_step * car_step;
1776                         else
1777                                 freq -= cur_step * car_step;
1778
1779                         /* Setup tuner */
1780                         if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
1781                                 goto err;
1782
1783                         if (state->config->tuner_set_frequency) {
1784                                 if (state->config->tuner_set_frequency(fe, freq) < 0)
1785                                         goto err_gateoff;
1786                         }
1787
1788                         if (state->config->tuner_set_bandwidth) {
1789                                 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
1790                                         goto err_gateoff;
1791                         }
1792
1793                         if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
1794                                 goto err;
1795
1796                         msleep(50);
1797
1798                         if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
1799                                 goto err;
1800
1801                         if (state->config->tuner_get_status) {
1802                                 if (state->config->tuner_get_status(fe, &reg) < 0)
1803                                         goto err_gateoff;
1804                         }
1805
1806                         if (reg)
1807                                 dprintk(FE_DEBUG, 1, "Tuner phase locked");
1808                         else
1809                                 dprintk(FE_DEBUG, 1, "Tuner unlocked");
1810
1811                         if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
1812                                 goto err;
1813
1814                 }
1815         }
1816         if (!tmg_lock)
1817                 srate_coarse = 0;
1818         else
1819                 srate_coarse = stv090x_get_srate(state, state->internal->mclk);
1820
1821         return srate_coarse;
1822
1823 err_gateoff:
1824         stv090x_i2c_gate_ctrl(fe, 0);
1825 err:
1826         dprintk(FE_ERROR, 1, "I/O error");
1827         return -1;
1828 }
1829
1830 static u32 stv090x_srate_srch_fine(struct stv090x_state *state)
1831 {
1832         u32 srate_coarse, freq_coarse, sym, reg;
1833
1834         srate_coarse = stv090x_get_srate(state, state->internal->mclk);
1835         freq_coarse  = STV090x_READ_DEMOD(state, CFR2) << 8;
1836         freq_coarse |= STV090x_READ_DEMOD(state, CFR1);
1837         sym = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
1838
1839         if (sym < state->srate)
1840                 srate_coarse = 0;
1841         else {
1842                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0) /* Demod RESET */
1843                         goto err;
1844                 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0)
1845                         goto err;
1846                 if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0x20) < 0)
1847                         goto err;
1848                 if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0x00) < 0)
1849                         goto err;
1850                 if (STV090x_WRITE_DEMOD(state, TMGCFG, 0xd2) < 0)
1851                         goto err;
1852                 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
1853                 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00);
1854                 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
1855                         goto err;
1856
1857                 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
1858                         goto err;
1859
1860                 if (state->internal->dev_ver >= 0x30) {
1861                         if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x79) < 0)
1862                                 goto err;
1863                 } else if (state->internal->dev_ver >= 0x20) {
1864                         if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
1865                                 goto err;
1866                 }
1867
1868                 if (srate_coarse > 3000000) {
1869                         sym  = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
1870                         sym  = (sym / 1000) * 65536;
1871                         sym /= (state->internal->mclk / 1000);
1872                         if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0)
1873                                 goto err;
1874                         if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0)
1875                                 goto err;
1876                         sym  = 10 * (srate_coarse / 13); /* SFRLOW = SFR - 30% */
1877                         sym  = (sym / 1000) * 65536;
1878                         sym /= (state->internal->mclk / 1000);
1879                         if (STV090x_WRITE_DEMOD(state, SFRLOW1, (sym >> 8) & 0x7f) < 0)
1880                                 goto err;
1881                         if (STV090x_WRITE_DEMOD(state, SFRLOW0, sym & 0xff) < 0)
1882                                 goto err;
1883                         sym  = (srate_coarse / 1000) * 65536;
1884                         sym /= (state->internal->mclk / 1000);
1885                         if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0xff) < 0)
1886                                 goto err;
1887                         if (STV090x_WRITE_DEMOD(state, SFRINIT0, sym & 0xff) < 0)
1888                                 goto err;
1889                 } else {
1890                         sym  = 13 * (srate_coarse / 10); /* SFRUP = SFR + 30% */
1891                         sym  = (sym / 100) * 65536;
1892                         sym /= (state->internal->mclk / 100);
1893                         if (STV090x_WRITE_DEMOD(state, SFRUP1, (sym >> 8) & 0x7f) < 0)
1894                                 goto err;
1895                         if (STV090x_WRITE_DEMOD(state, SFRUP0, sym & 0xff) < 0)
1896                                 goto err;
1897                         sym  = 10 * (srate_coarse / 14); /* SFRLOW = SFR - 30% */
1898                         sym  = (sym / 100) * 65536;
1899                         sym /= (state->internal->mclk / 100);
1900                         if (STV090x_WRITE_DEMOD(state, SFRLOW1, (sym >> 8) & 0x7f) < 0)
1901                                 goto err;
1902                         if (STV090x_WRITE_DEMOD(state, SFRLOW0, sym & 0xff) < 0)
1903                                 goto err;
1904                         sym  = (srate_coarse / 100) * 65536;
1905                         sym /= (state->internal->mclk / 100);
1906                         if (STV090x_WRITE_DEMOD(state, SFRINIT1, (sym >> 8) & 0xff) < 0)
1907                                 goto err;
1908                         if (STV090x_WRITE_DEMOD(state, SFRINIT0, sym & 0xff) < 0)
1909                                 goto err;
1910                 }
1911                 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x20) < 0)
1912                         goto err;
1913                 if (STV090x_WRITE_DEMOD(state, CFRINIT1, (freq_coarse >> 8) & 0xff) < 0)
1914                         goto err;
1915                 if (STV090x_WRITE_DEMOD(state, CFRINIT0, freq_coarse & 0xff) < 0)
1916                         goto err;
1917                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0) /* trigger acquisition */
1918                         goto err;
1919         }
1920
1921         return srate_coarse;
1922
1923 err:
1924         dprintk(FE_ERROR, 1, "I/O error");
1925         return -1;
1926 }
1927
1928 static int stv090x_get_dmdlock(struct stv090x_state *state, s32 timeout)
1929 {
1930         s32 timer = 0, lock = 0;
1931         u32 reg;
1932         u8 stat;
1933
1934         while ((timer < timeout) && (!lock)) {
1935                 reg = STV090x_READ_DEMOD(state, DMDSTATE);
1936                 stat = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
1937
1938                 switch (stat) {
1939                 case 0: /* searching */
1940                 case 1: /* first PLH detected */
1941                 default:
1942                         dprintk(FE_DEBUG, 1, "Demodulator searching ..");
1943                         lock = 0;
1944                         break;
1945                 case 2: /* DVB-S2 mode */
1946                 case 3: /* DVB-S1/legacy mode */
1947                         reg = STV090x_READ_DEMOD(state, DSTATUS);
1948                         lock = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
1949                         break;
1950                 }
1951
1952                 if (!lock)
1953                         msleep(10);
1954                 else
1955                         dprintk(FE_DEBUG, 1, "Demodulator acquired LOCK");
1956
1957                 timer += 10;
1958         }
1959         return lock;
1960 }
1961
1962 static int stv090x_blind_search(struct stv090x_state *state)
1963 {
1964         u32 agc2, reg, srate_coarse;
1965         s32 cpt_fail, agc2_ovflw, i;
1966         u8 k_ref, k_max, k_min;
1967         int coarse_fail, lock;
1968
1969         k_max = 110;
1970         k_min = 10;
1971
1972         agc2 = stv090x_get_agc2_min_level(state);
1973
1974         if (agc2 > STV090x_SEARCH_AGC2_TH(state->internal->dev_ver)) {
1975                 lock = 0;
1976         } else {
1977
1978                 if (state->internal->dev_ver <= 0x20) {
1979                         if (STV090x_WRITE_DEMOD(state, CARCFG, 0xc4) < 0)
1980                                 goto err;
1981                 } else {
1982                         /* > Cut 3 */
1983                         if (STV090x_WRITE_DEMOD(state, CARCFG, 0x06) < 0)
1984                                 goto err;
1985                 }
1986
1987                 if (STV090x_WRITE_DEMOD(state, RTCS2, 0x44) < 0)
1988                         goto err;
1989
1990                 if (state->internal->dev_ver >= 0x20) {
1991                         if (STV090x_WRITE_DEMOD(state, EQUALCFG, 0x41) < 0)
1992                                 goto err;
1993                         if (STV090x_WRITE_DEMOD(state, FFECFG, 0x41) < 0)
1994                                 goto err;
1995                         if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x82) < 0)
1996                                 goto err;
1997                         if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x00) < 0) /* set viterbi hysteresis */
1998                                 goto err;
1999                 }
2000
2001                 k_ref = k_max;
2002                 do {
2003                         if (STV090x_WRITE_DEMOD(state, KREFTMG, k_ref) < 0)
2004                                 goto err;
2005                         if (stv090x_srate_srch_coarse(state) != 0) {
2006                                 srate_coarse = stv090x_srate_srch_fine(state);
2007                                 if (srate_coarse != 0) {
2008                                         stv090x_get_lock_tmg(state);
2009                                         lock = stv090x_get_dmdlock(state,
2010                                                         state->DemodTimeout);
2011                                 } else {
2012                                         lock = 0;
2013                                 }
2014                         } else {
2015                                 cpt_fail = 0;
2016                                 agc2_ovflw = 0;
2017                                 for (i = 0; i < 10; i++) {
2018                                         agc2 += (STV090x_READ_DEMOD(state, AGC2I1) << 8) |
2019                                                 STV090x_READ_DEMOD(state, AGC2I0);
2020                                         if (agc2 >= 0xff00)
2021                                                 agc2_ovflw++;
2022                                         reg = STV090x_READ_DEMOD(state, DSTATUS2);
2023                                         if ((STV090x_GETFIELD_Px(reg, CFR_OVERFLOW_FIELD) == 0x01) &&
2024                                             (STV090x_GETFIELD_Px(reg, DEMOD_DELOCK_FIELD) == 0x01))
2025
2026                                                 cpt_fail++;
2027                                 }
2028                                 if ((cpt_fail > 7) || (agc2_ovflw > 7))
2029                                         coarse_fail = 1;
2030
2031                                 lock = 0;
2032                         }
2033                         k_ref -= 20;
2034                 } while ((k_ref >= k_min) && (!lock) && (!coarse_fail));
2035         }
2036
2037         return lock;
2038
2039 err:
2040         dprintk(FE_ERROR, 1, "I/O error");
2041         return -1;
2042 }
2043
2044 static int stv090x_chk_tmg(struct stv090x_state *state)
2045 {
2046         u32 reg;
2047         s32 tmg_cpt = 0, i;
2048         u8 freq, tmg_thh, tmg_thl;
2049         int tmg_lock;
2050
2051         freq = STV090x_READ_DEMOD(state, CARFREQ);
2052         tmg_thh = STV090x_READ_DEMOD(state, TMGTHRISE);
2053         tmg_thl = STV090x_READ_DEMOD(state, TMGTHFALL);
2054         if (STV090x_WRITE_DEMOD(state, TMGTHRISE, 0x20) < 0)
2055                 goto err;
2056         if (STV090x_WRITE_DEMOD(state, TMGTHFALL, 0x00) < 0)
2057                 goto err;
2058
2059         reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2060         STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00); /* stop carrier offset search */
2061         if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2062                 goto err;
2063         if (STV090x_WRITE_DEMOD(state, RTC, 0x80) < 0)
2064                 goto err;
2065
2066         if (STV090x_WRITE_DEMOD(state, RTCS2, 0x40) < 0)
2067                 goto err;
2068         if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x00) < 0)
2069                 goto err;
2070
2071         if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0) /* set car ofset to 0 */
2072                 goto err;
2073         if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
2074                 goto err;
2075         if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x65) < 0)
2076                 goto err;
2077
2078         if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0) /* trigger acquisition */
2079                 goto err;
2080         msleep(10);
2081
2082         for (i = 0; i < 10; i++) {
2083                 reg = STV090x_READ_DEMOD(state, DSTATUS);
2084                 if (STV090x_GETFIELD_Px(reg, TMGLOCK_QUALITY_FIELD) >= 2)
2085                         tmg_cpt++;
2086                 msleep(1);
2087         }
2088         if (tmg_cpt >= 3)
2089                 tmg_lock = 1;
2090
2091         if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
2092                 goto err;
2093         if (STV090x_WRITE_DEMOD(state, RTC, 0x88) < 0) /* DVB-S1 timing */
2094                 goto err;
2095         if (STV090x_WRITE_DEMOD(state, RTCS2, 0x68) < 0) /* DVB-S2 timing */
2096                 goto err;
2097
2098         if (STV090x_WRITE_DEMOD(state, CARFREQ, freq) < 0)
2099                 goto err;
2100         if (STV090x_WRITE_DEMOD(state, TMGTHRISE, tmg_thh) < 0)
2101                 goto err;
2102         if (STV090x_WRITE_DEMOD(state, TMGTHFALL, tmg_thl) < 0)
2103                 goto err;
2104
2105         return  tmg_lock;
2106
2107 err:
2108         dprintk(FE_ERROR, 1, "I/O error");
2109         return -1;
2110 }
2111
2112 static int stv090x_get_coldlock(struct stv090x_state *state, s32 timeout_dmd)
2113 {
2114         struct dvb_frontend *fe = &state->frontend;
2115
2116         u32 reg;
2117         s32 car_step, steps, cur_step, dir, freq, timeout_lock;
2118         int lock = 0;
2119
2120         if (state->srate >= 10000000)
2121                 timeout_lock = timeout_dmd / 3;
2122         else
2123                 timeout_lock = timeout_dmd / 2;
2124
2125         lock = stv090x_get_dmdlock(state, timeout_lock); /* cold start wait */
2126         if (!lock) {
2127                 if (state->srate >= 10000000) {
2128                         if (stv090x_chk_tmg(state)) {
2129                                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
2130                                         goto err;
2131                                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
2132                                         goto err;
2133                                 lock = stv090x_get_dmdlock(state, timeout_dmd);
2134                         } else {
2135                                 lock = 0;
2136                         }
2137                 } else {
2138                         if (state->srate <= 4000000)
2139                                 car_step = 1000;
2140                         else if (state->srate <= 7000000)
2141                                 car_step = 2000;
2142                         else if (state->srate <= 10000000)
2143                                 car_step = 3000;
2144                         else
2145                                 car_step = 5000;
2146
2147                         steps  = (state->search_range / 1000) / car_step;
2148                         steps /= 2;
2149                         steps  = 2 * (steps + 1);
2150                         if (steps < 0)
2151                                 steps = 2;
2152                         else if (steps > 12)
2153                                 steps = 12;
2154
2155                         cur_step = 1;
2156                         dir = 1;
2157
2158                         if (!lock) {
2159                                 freq = state->frequency;
2160                                 state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + state->srate;
2161                                 while ((cur_step <= steps) && (!lock)) {
2162                                         if (dir > 0)
2163                                                 freq += cur_step * car_step;
2164                                         else
2165                                                 freq -= cur_step * car_step;
2166
2167                                         /* Setup tuner */
2168                                         if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
2169                                                 goto err;
2170
2171                                         if (state->config->tuner_set_frequency) {
2172                                                 if (state->config->tuner_set_frequency(fe, freq) < 0)
2173                                                         goto err_gateoff;
2174                                         }
2175
2176                                         if (state->config->tuner_set_bandwidth) {
2177                                                 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
2178                                                         goto err_gateoff;
2179                                         }
2180
2181                                         if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
2182                                                 goto err;
2183
2184                                         msleep(50);
2185
2186                                         if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
2187                                                 goto err;
2188
2189                                         if (state->config->tuner_get_status) {
2190                                                 if (state->config->tuner_get_status(fe, &reg) < 0)
2191                                                         goto err_gateoff;
2192                                         }
2193
2194                                         if (reg)
2195                                                 dprintk(FE_DEBUG, 1, "Tuner phase locked");
2196                                         else
2197                                                 dprintk(FE_DEBUG, 1, "Tuner unlocked");
2198
2199                                         if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
2200                                                 goto err;
2201
2202                                         STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c);
2203                                         if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0)
2204                                                 goto err;
2205                                         if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
2206                                                 goto err;
2207                                         if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
2208                                                 goto err;
2209                                         if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
2210                                                 goto err;
2211                                         lock = stv090x_get_dmdlock(state, (timeout_dmd / 3));
2212
2213                                         dir *= -1;
2214                                         cur_step++;
2215                                 }
2216                         }
2217                 }
2218         }
2219
2220         return lock;
2221
2222 err_gateoff:
2223         stv090x_i2c_gate_ctrl(fe, 0);
2224 err:
2225         dprintk(FE_ERROR, 1, "I/O error");
2226         return -1;
2227 }
2228
2229 static int stv090x_get_loop_params(struct stv090x_state *state, s32 *freq_inc, s32 *timeout_sw, s32 *steps)
2230 {
2231         s32 timeout, inc, steps_max, srate, car_max;
2232
2233         srate = state->srate;
2234         car_max = state->search_range / 1000;
2235         car_max += car_max / 10;
2236         car_max  = 65536 * (car_max / 2);
2237         car_max /= (state->internal->mclk / 1000);
2238
2239         if (car_max > 0x4000)
2240                 car_max = 0x4000 ; /* maxcarrier should be<= +-1/4 Mclk */
2241
2242         inc  = srate;
2243         inc /= state->internal->mclk / 1000;
2244         inc *= 256;
2245         inc *= 256;
2246         inc /= 1000;
2247
2248         switch (state->search_mode) {
2249         case STV090x_SEARCH_DVBS1:
2250         case STV090x_SEARCH_DSS:
2251                 inc *= 3; /* freq step = 3% of srate */
2252                 timeout = 20;
2253                 break;
2254
2255         case STV090x_SEARCH_DVBS2:
2256                 inc *= 4;
2257                 timeout = 25;
2258                 break;
2259
2260         case STV090x_SEARCH_AUTO:
2261         default:
2262                 inc *= 3;
2263                 timeout = 25;
2264                 break;
2265         }
2266         inc /= 100;
2267         if ((inc > car_max) || (inc < 0))
2268                 inc = car_max / 2; /* increment <= 1/8 Mclk */
2269
2270         timeout *= 27500; /* 27.5 Msps reference */
2271         if (srate > 0)
2272                 timeout /= (srate / 1000);
2273
2274         if ((timeout > 100) || (timeout < 0))
2275                 timeout = 100;
2276
2277         steps_max = (car_max / inc) + 1; /* min steps = 3 */
2278         if ((steps_max > 100) || (steps_max < 0)) {
2279                 steps_max = 100; /* max steps <= 100 */
2280                 inc = car_max / steps_max;
2281         }
2282         *freq_inc = inc;
2283         *timeout_sw = timeout;
2284         *steps = steps_max;
2285
2286         return 0;
2287 }
2288
2289 static int stv090x_chk_signal(struct stv090x_state *state)
2290 {
2291         s32 offst_car, agc2, car_max;
2292         int no_signal;
2293
2294         offst_car  = STV090x_READ_DEMOD(state, CFR2) << 8;
2295         offst_car |= STV090x_READ_DEMOD(state, CFR1);
2296         offst_car = comp2(offst_car, 16);
2297
2298         agc2  = STV090x_READ_DEMOD(state, AGC2I1) << 8;
2299         agc2 |= STV090x_READ_DEMOD(state, AGC2I0);
2300         car_max = state->search_range / 1000;
2301
2302         car_max += (car_max / 10); /* 10% margin */
2303         car_max  = (65536 * car_max / 2);
2304         car_max /= state->internal->mclk / 1000;
2305
2306         if (car_max > 0x4000)
2307                 car_max = 0x4000;
2308
2309         if ((agc2 > 0x2000) || (offst_car > 2 * car_max) || (offst_car < -2 * car_max)) {
2310                 no_signal = 1;
2311                 dprintk(FE_DEBUG, 1, "No Signal");
2312         } else {
2313                 no_signal = 0;
2314                 dprintk(FE_DEBUG, 1, "Found Signal");
2315         }
2316
2317         return no_signal;
2318 }
2319
2320 static int stv090x_search_car_loop(struct stv090x_state *state, s32 inc, s32 timeout, int zigzag, s32 steps_max)
2321 {
2322         int no_signal, lock = 0;
2323         s32 cpt_step = 0, offst_freq, car_max;
2324         u32 reg;
2325
2326         car_max  = state->search_range / 1000;
2327         car_max += (car_max / 10);
2328         car_max  = (65536 * car_max / 2);
2329         car_max /= (state->internal->mclk / 1000);
2330         if (car_max > 0x4000)
2331                 car_max = 0x4000;
2332
2333         if (zigzag)
2334                 offst_freq = 0;
2335         else
2336                 offst_freq = -car_max + inc;
2337
2338         do {
2339                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c) < 0)
2340                         goto err;
2341                 if (STV090x_WRITE_DEMOD(state, CFRINIT1, ((offst_freq / 256) & 0xff)) < 0)
2342                         goto err;
2343                 if (STV090x_WRITE_DEMOD(state, CFRINIT0, offst_freq & 0xff) < 0)
2344                         goto err;
2345                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
2346                         goto err;
2347
2348                 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
2349                 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x1); /* stop DVB-S2 packet delin */
2350                 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
2351                         goto err;
2352
2353                 if (zigzag) {
2354                         if (offst_freq >= 0)
2355                                 offst_freq = -offst_freq - 2 * inc;
2356                         else
2357                                 offst_freq = -offst_freq;
2358                 } else {
2359                         offst_freq += 2 * inc;
2360                 }
2361
2362                 cpt_step++;
2363
2364                 lock = stv090x_get_dmdlock(state, timeout);
2365                 no_signal = stv090x_chk_signal(state);
2366
2367         } while ((!lock) &&
2368                  (!no_signal) &&
2369                   ((offst_freq - inc) < car_max) &&
2370                   ((offst_freq + inc) > -car_max) &&
2371                   (cpt_step < steps_max));
2372
2373         reg = STV090x_READ_DEMOD(state, PDELCTRL1);
2374         STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0);
2375         if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
2376                         goto err;
2377
2378         return lock;
2379 err:
2380         dprintk(FE_ERROR, 1, "I/O error");
2381         return -1;
2382 }
2383
2384 static int stv090x_sw_algo(struct stv090x_state *state)
2385 {
2386         int no_signal, zigzag, lock = 0;
2387         u32 reg;
2388
2389         s32 dvbs2_fly_wheel;
2390         s32 inc, timeout_step, trials, steps_max;
2391
2392         /* get params */
2393         stv090x_get_loop_params(state, &inc, &timeout_step, &steps_max);
2394
2395         switch (state->search_mode) {
2396         case STV090x_SEARCH_DVBS1:
2397         case STV090x_SEARCH_DSS:
2398                 /* accelerate the frequency detector */
2399                 if (state->internal->dev_ver >= 0x20) {
2400                         if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x3B) < 0)
2401                                 goto err;
2402                 }
2403
2404                 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x49) < 0)
2405                         goto err;
2406                 zigzag = 0;
2407                 break;
2408
2409         case STV090x_SEARCH_DVBS2:
2410                 if (state->internal->dev_ver >= 0x20) {
2411                         if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
2412                                 goto err;
2413                 }
2414
2415                 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x89) < 0)
2416                         goto err;
2417                 zigzag = 1;
2418                 break;
2419
2420         case STV090x_SEARCH_AUTO:
2421         default:
2422                 /* accelerate the frequency detector */
2423                 if (state->internal->dev_ver >= 0x20) {
2424                         if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x3b) < 0)
2425                                 goto err;
2426                         if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
2427                                 goto err;
2428                 }
2429
2430                 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0xc9) < 0)
2431                         goto err;
2432                 zigzag = 0;
2433                 break;
2434         }
2435
2436         trials = 0;
2437         do {
2438                 lock = stv090x_search_car_loop(state, inc, timeout_step, zigzag, steps_max);
2439                 no_signal = stv090x_chk_signal(state);
2440                 trials++;
2441
2442                 /*run the SW search 2 times maximum*/
2443                 if (lock || no_signal || (trials == 2)) {
2444                         /*Check if the demod is not losing lock in DVBS2*/
2445                         if (state->internal->dev_ver >= 0x20) {
2446                                 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
2447                                         goto err;
2448                                 if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x9e) < 0)
2449                                         goto err;
2450                         }
2451
2452                         reg = STV090x_READ_DEMOD(state, DMDSTATE);
2453                         if ((lock) && (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == STV090x_DVBS2)) {
2454                                 /*Check if the demod is not losing lock in DVBS2*/
2455                                 msleep(timeout_step);
2456                                 reg = STV090x_READ_DEMOD(state, DMDFLYW);
2457                                 dvbs2_fly_wheel = STV090x_GETFIELD_Px(reg, FLYWHEEL_CPT_FIELD);
2458                                 if (dvbs2_fly_wheel < 0xd) {     /*if correct frames is decrementing */
2459                                         msleep(timeout_step);
2460                                         reg = STV090x_READ_DEMOD(state, DMDFLYW);
2461                                         dvbs2_fly_wheel = STV090x_GETFIELD_Px(reg, FLYWHEEL_CPT_FIELD);
2462                                 }
2463                                 if (dvbs2_fly_wheel < 0xd) {
2464                                         /*FALSE lock, The demod is loosing lock */
2465                                         lock = 0;
2466                                         if (trials < 2) {
2467                                                 if (state->internal->dev_ver >= 0x20) {
2468                                                         if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x79) < 0)
2469                                                                 goto err;
2470                                                 }
2471
2472                                                 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, 0x89) < 0)
2473                                                         goto err;
2474                                         }
2475                                 }
2476                         }
2477                 }
2478         } while ((!lock) && (trials < 2) && (!no_signal));
2479
2480         return lock;
2481 err:
2482         dprintk(FE_ERROR, 1, "I/O error");
2483         return -1;
2484 }
2485
2486 static enum stv090x_delsys stv090x_get_std(struct stv090x_state *state)
2487 {
2488         u32 reg;
2489         enum stv090x_delsys delsys;
2490
2491         reg = STV090x_READ_DEMOD(state, DMDSTATE);
2492         if (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == 2)
2493                 delsys = STV090x_DVBS2;
2494         else if (STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD) == 3) {
2495                 reg = STV090x_READ_DEMOD(state, FECM);
2496                 if (STV090x_GETFIELD_Px(reg, DSS_DVB_FIELD) == 1)
2497                         delsys = STV090x_DSS;
2498                 else
2499                         delsys = STV090x_DVBS1;
2500         } else {
2501                 delsys = STV090x_ERROR;
2502         }
2503
2504         return delsys;
2505 }
2506
2507 /* in Hz */
2508 static s32 stv090x_get_car_freq(struct stv090x_state *state, u32 mclk)
2509 {
2510         s32 derot, int_1, int_2, tmp_1, tmp_2;
2511
2512         derot  = STV090x_READ_DEMOD(state, CFR2) << 16;
2513         derot |= STV090x_READ_DEMOD(state, CFR1) <<  8;
2514         derot |= STV090x_READ_DEMOD(state, CFR0);
2515
2516         derot = comp2(derot, 24);
2517         int_1 = mclk >> 12;
2518         int_2 = derot >> 12;
2519
2520         /* carrier_frequency = MasterClock * Reg / 2^24 */
2521         tmp_1 = mclk % 0x1000;
2522         tmp_2 = derot % 0x1000;
2523
2524         derot = (int_1 * int_2) +
2525                 ((int_1 * tmp_2) >> 12) +
2526                 ((int_2 * tmp_1) >> 12);
2527
2528         return derot;
2529 }
2530
2531 static int stv090x_get_viterbi(struct stv090x_state *state)
2532 {
2533         u32 reg, rate;
2534
2535         reg = STV090x_READ_DEMOD(state, VITCURPUN);
2536         rate = STV090x_GETFIELD_Px(reg, VIT_CURPUN_FIELD);
2537
2538         switch (rate) {
2539         case 13:
2540                 state->fec = STV090x_PR12;
2541                 break;
2542
2543         case 18:
2544                 state->fec = STV090x_PR23;
2545                 break;
2546
2547         case 21:
2548                 state->fec = STV090x_PR34;
2549                 break;
2550
2551         case 24:
2552                 state->fec = STV090x_PR56;
2553                 break;
2554
2555         case 25:
2556                 state->fec = STV090x_PR67;
2557                 break;
2558
2559         case 26:
2560                 state->fec = STV090x_PR78;
2561                 break;
2562
2563         default:
2564                 state->fec = STV090x_PRERR;
2565                 break;
2566         }
2567
2568         return 0;
2569 }
2570
2571 static enum stv090x_signal_state stv090x_get_sig_params(struct stv090x_state *state)
2572 {
2573         struct dvb_frontend *fe = &state->frontend;
2574
2575         u8 tmg;
2576         u32 reg;
2577         s32 i = 0, offst_freq;
2578
2579         msleep(5);
2580
2581         if (state->algo == STV090x_BLIND_SEARCH) {
2582                 tmg = STV090x_READ_DEMOD(state, TMGREG2);
2583                 STV090x_WRITE_DEMOD(state, SFRSTEP, 0x5c);
2584                 while ((i <= 50) && (tmg != 0) && (tmg != 0xff)) {
2585                         tmg = STV090x_READ_DEMOD(state, TMGREG2);
2586                         msleep(5);
2587                         i += 5;
2588                 }
2589         }
2590         state->delsys = stv090x_get_std(state);
2591
2592         if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
2593                 goto err;
2594
2595         if (state->config->tuner_get_frequency) {
2596                 if (state->config->tuner_get_frequency(fe, &state->frequency) < 0)
2597                         goto err_gateoff;
2598         }
2599
2600         if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
2601                 goto err;
2602
2603         offst_freq = stv090x_get_car_freq(state, state->internal->mclk) / 1000;
2604         state->frequency += offst_freq;
2605
2606         if (stv090x_get_viterbi(state) < 0)
2607                 goto err;
2608
2609         reg = STV090x_READ_DEMOD(state, DMDMODCOD);
2610         state->modcod = STV090x_GETFIELD_Px(reg, DEMOD_MODCOD_FIELD);
2611         state->pilots = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) & 0x01;
2612         state->frame_len = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) >> 1;
2613         reg = STV090x_READ_DEMOD(state, TMGOBS);
2614         state->rolloff = STV090x_GETFIELD_Px(reg, ROLLOFF_STATUS_FIELD);
2615         reg = STV090x_READ_DEMOD(state, FECM);
2616         state->inversion = STV090x_GETFIELD_Px(reg, IQINV_FIELD);
2617
2618         if ((state->algo == STV090x_BLIND_SEARCH) || (state->srate < 10000000)) {
2619
2620                 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
2621                         goto err;
2622
2623                 if (state->config->tuner_get_frequency) {
2624                         if (state->config->tuner_get_frequency(fe, &state->frequency) < 0)
2625                                 goto err_gateoff;
2626                 }
2627
2628                 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
2629                         goto err;
2630
2631                 if (abs(offst_freq) <= ((state->search_range / 2000) + 500))
2632                         return STV090x_RANGEOK;
2633                 else if (abs(offst_freq) <= (stv090x_car_width(state->srate, state->rolloff) / 2000))
2634                         return STV090x_RANGEOK;
2635                 else
2636                         return STV090x_OUTOFRANGE; /* Out of Range */
2637         } else {
2638                 if (abs(offst_freq) <= ((state->search_range / 2000) + 500))
2639                         return STV090x_RANGEOK;
2640                 else
2641                         return STV090x_OUTOFRANGE;
2642         }
2643
2644         return STV090x_OUTOFRANGE;
2645
2646 err_gateoff:
2647         stv090x_i2c_gate_ctrl(fe, 0);
2648 err:
2649         dprintk(FE_ERROR, 1, "I/O error");
2650         return -1;
2651 }
2652
2653 static u32 stv090x_get_tmgoffst(struct stv090x_state *state, u32 srate)
2654 {
2655         s32 offst_tmg;
2656
2657         offst_tmg  = STV090x_READ_DEMOD(state, TMGREG2) << 16;
2658         offst_tmg |= STV090x_READ_DEMOD(state, TMGREG1) <<  8;
2659         offst_tmg |= STV090x_READ_DEMOD(state, TMGREG0);
2660
2661         offst_tmg = comp2(offst_tmg, 24); /* 2's complement */
2662         if (!offst_tmg)
2663                 offst_tmg = 1;
2664
2665         offst_tmg  = ((s32) srate * 10) / ((s32) 0x1000000 / offst_tmg);
2666         offst_tmg /= 320;
2667
2668         return offst_tmg;
2669 }
2670
2671 static u8 stv090x_optimize_carloop(struct stv090x_state *state, enum stv090x_modcod modcod, s32 pilots)
2672 {
2673         u8 aclc = 0x29;
2674         s32 i;
2675         struct stv090x_long_frame_crloop *car_loop, *car_loop_qpsk_low, *car_loop_apsk_low;
2676
2677         if (state->internal->dev_ver == 0x20) {
2678                 car_loop                = stv090x_s2_crl_cut20;
2679                 car_loop_qpsk_low       = stv090x_s2_lowqpsk_crl_cut20;
2680                 car_loop_apsk_low       = stv090x_s2_apsk_crl_cut20;
2681         } else {
2682                 /* >= Cut 3 */
2683                 car_loop                = stv090x_s2_crl_cut30;
2684                 car_loop_qpsk_low       = stv090x_s2_lowqpsk_crl_cut30;
2685                 car_loop_apsk_low       = stv090x_s2_apsk_crl_cut30;
2686         }
2687
2688         if (modcod < STV090x_QPSK_12) {
2689                 i = 0;
2690                 while ((i < 3) && (modcod != car_loop_qpsk_low[i].modcod))
2691                         i++;
2692
2693                 if (i >= 3)
2694                         i = 2;
2695
2696         } else {
2697                 i = 0;
2698                 while ((i < 14) && (modcod != car_loop[i].modcod))
2699                         i++;
2700
2701                 if (i >= 14) {
2702                         i = 0;
2703                         while ((i < 11) && (modcod != car_loop_apsk_low[i].modcod))
2704                                 i++;
2705
2706                         if (i >= 11)
2707                                 i = 10;
2708                 }
2709         }
2710
2711         if (modcod <= STV090x_QPSK_25) {
2712                 if (pilots) {
2713                         if (state->srate <= 3000000)
2714                                 aclc = car_loop_qpsk_low[i].crl_pilots_on_2;
2715                         else if (state->srate <= 7000000)
2716                                 aclc = car_loop_qpsk_low[i].crl_pilots_on_5;
2717                         else if (state->srate <= 15000000)
2718                                 aclc = car_loop_qpsk_low[i].crl_pilots_on_10;
2719                         else if (state->srate <= 25000000)
2720                                 aclc = car_loop_qpsk_low[i].crl_pilots_on_20;
2721                         else
2722                                 aclc = car_loop_qpsk_low[i].crl_pilots_on_30;
2723                 } else {
2724                         if (state->srate <= 3000000)
2725                                 aclc = car_loop_qpsk_low[i].crl_pilots_off_2;
2726                         else if (state->srate <= 7000000)
2727                                 aclc = car_loop_qpsk_low[i].crl_pilots_off_5;
2728                         else if (state->srate <= 15000000)
2729                                 aclc = car_loop_qpsk_low[i].crl_pilots_off_10;
2730                         else if (state->srate <= 25000000)
2731                                 aclc = car_loop_qpsk_low[i].crl_pilots_off_20;
2732                         else
2733                                 aclc = car_loop_qpsk_low[i].crl_pilots_off_30;
2734                 }
2735
2736         } else if (modcod <= STV090x_8PSK_910) {
2737                 if (pilots) {
2738                         if (state->srate <= 3000000)
2739                                 aclc = car_loop[i].crl_pilots_on_2;
2740                         else if (state->srate <= 7000000)
2741                                 aclc = car_loop[i].crl_pilots_on_5;
2742                         else if (state->srate <= 15000000)
2743                                 aclc = car_loop[i].crl_pilots_on_10;
2744                         else if (state->srate <= 25000000)
2745                                 aclc = car_loop[i].crl_pilots_on_20;
2746                         else
2747                                 aclc = car_loop[i].crl_pilots_on_30;
2748                 } else {
2749                         if (state->srate <= 3000000)
2750                                 aclc = car_loop[i].crl_pilots_off_2;
2751                         else if (state->srate <= 7000000)
2752                                 aclc = car_loop[i].crl_pilots_off_5;
2753                         else if (state->srate <= 15000000)
2754                                 aclc = car_loop[i].crl_pilots_off_10;
2755                         else if (state->srate <= 25000000)
2756                                 aclc = car_loop[i].crl_pilots_off_20;
2757                         else
2758                                 aclc = car_loop[i].crl_pilots_off_30;
2759                 }
2760         } else { /* 16APSK and 32APSK */
2761                 if (state->srate <= 3000000)
2762                         aclc = car_loop_apsk_low[i].crl_pilots_on_2;
2763                 else if (state->srate <= 7000000)
2764                         aclc = car_loop_apsk_low[i].crl_pilots_on_5;
2765                 else if (state->srate <= 15000000)
2766                         aclc = car_loop_apsk_low[i].crl_pilots_on_10;
2767                 else if (state->srate <= 25000000)
2768                         aclc = car_loop_apsk_low[i].crl_pilots_on_20;
2769                 else
2770                         aclc = car_loop_apsk_low[i].crl_pilots_on_30;
2771         }
2772
2773         return aclc;
2774 }
2775
2776 static u8 stv090x_optimize_carloop_short(struct stv090x_state *state)
2777 {
2778         struct stv090x_short_frame_crloop *short_crl = NULL;
2779         s32 index = 0;
2780         u8 aclc = 0x0b;
2781
2782         switch (state->modulation) {
2783         case STV090x_QPSK:
2784         default:
2785                 index = 0;
2786                 break;
2787         case STV090x_8PSK:
2788                 index = 1;
2789                 break;
2790         case STV090x_16APSK:
2791                 index = 2;
2792                 break;
2793         case STV090x_32APSK:
2794                 index = 3;
2795                 break;
2796         }
2797
2798         if (state->internal->dev_ver >= 0x30) {
2799                 /* Cut 3.0 and up */
2800                 short_crl = stv090x_s2_short_crl_cut30;
2801         } else {
2802                 /* Cut 2.0 and up: we don't support cuts older than 2.0 */
2803                 short_crl = stv090x_s2_short_crl_cut20;
2804         }
2805
2806         if (state->srate <= 3000000)
2807                 aclc = short_crl[index].crl_2;
2808         else if (state->srate <= 7000000)
2809                 aclc = short_crl[index].crl_5;
2810         else if (state->srate <= 15000000)
2811                 aclc = short_crl[index].crl_10;
2812         else if (state->srate <= 25000000)
2813                 aclc = short_crl[index].crl_20;
2814         else
2815                 aclc = short_crl[index].crl_30;
2816
2817         return aclc;
2818 }
2819
2820 static int stv090x_optimize_track(struct stv090x_state *state)
2821 {
2822         struct dvb_frontend *fe = &state->frontend;
2823
2824         enum stv090x_rolloff rolloff;
2825         enum stv090x_modcod modcod;
2826
2827         s32 srate, pilots, aclc, f_1, f_0, i = 0, blind_tune = 0;
2828         u32 reg;
2829
2830         srate  = stv090x_get_srate(state, state->internal->mclk);
2831         srate += stv090x_get_tmgoffst(state, srate);
2832
2833         switch (state->delsys) {
2834         case STV090x_DVBS1:
2835         case STV090x_DSS:
2836                 if (state->search_mode == STV090x_SEARCH_AUTO) {
2837                         reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2838                         STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
2839                         STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 0);
2840                         if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2841                                 goto err;
2842                 }
2843                 reg = STV090x_READ_DEMOD(state, DEMOD);
2844                 STV090x_SETFIELD_Px(reg, ROLLOFF_CONTROL_FIELD, state->rolloff);
2845                 STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 0x01);
2846                 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
2847                         goto err;
2848
2849                 if (state->internal->dev_ver >= 0x30) {
2850                         if (stv090x_get_viterbi(state) < 0)
2851                                 goto err;
2852
2853                         if (state->fec == STV090x_PR12) {
2854                                 if (STV090x_WRITE_DEMOD(state, GAUSSR0, 0x98) < 0)
2855                                         goto err;
2856                                 if (STV090x_WRITE_DEMOD(state, CCIR0, 0x18) < 0)
2857                                         goto err;
2858                         } else {
2859                                 if (STV090x_WRITE_DEMOD(state, GAUSSR0, 0x18) < 0)
2860                                         goto err;
2861                                 if (STV090x_WRITE_DEMOD(state, CCIR0, 0x18) < 0)
2862                                         goto err;
2863                         }
2864                 }
2865
2866                 if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x75) < 0)
2867                         goto err;
2868                 break;
2869
2870         case STV090x_DVBS2:
2871                 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2872                 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 0);
2873                 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
2874                 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2875                         goto err;
2876                 if (STV090x_WRITE_DEMOD(state, ACLC, 0) < 0)
2877                         goto err;
2878                 if (STV090x_WRITE_DEMOD(state, BCLC, 0) < 0)
2879                         goto err;
2880                 if (state->frame_len == STV090x_LONG_FRAME) {
2881                         reg = STV090x_READ_DEMOD(state, DMDMODCOD);
2882                         modcod = STV090x_GETFIELD_Px(reg, DEMOD_MODCOD_FIELD);
2883                         pilots = STV090x_GETFIELD_Px(reg, DEMOD_TYPE_FIELD) & 0x01;
2884                         aclc = stv090x_optimize_carloop(state, modcod, pilots);
2885                         if (modcod <= STV090x_QPSK_910) {
2886                                 STV090x_WRITE_DEMOD(state, ACLC2S2Q, aclc);
2887                         } else if (modcod <= STV090x_8PSK_910) {
2888                                 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2889                                         goto err;
2890                                 if (STV090x_WRITE_DEMOD(state, ACLC2S28, aclc) < 0)
2891                                         goto err;
2892                         }
2893                         if ((state->demod_mode == STV090x_SINGLE) && (modcod > STV090x_8PSK_910)) {
2894                                 if (modcod <= STV090x_16APSK_910) {
2895                                         if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2896                                                 goto err;
2897                                         if (STV090x_WRITE_DEMOD(state, ACLC2S216A, aclc) < 0)
2898                                                 goto err;
2899                                 } else {
2900                                         if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2901                                                 goto err;
2902                                         if (STV090x_WRITE_DEMOD(state, ACLC2S232A, aclc) < 0)
2903                                                 goto err;
2904                                 }
2905                         }
2906                 } else {
2907                         /*Carrier loop setting for short frame*/
2908                         aclc = stv090x_optimize_carloop_short(state);
2909                         if (state->modulation == STV090x_QPSK) {
2910                                 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, aclc) < 0)
2911                                         goto err;
2912                         } else if (state->modulation == STV090x_8PSK) {
2913                                 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2914                                         goto err;
2915                                 if (STV090x_WRITE_DEMOD(state, ACLC2S28, aclc) < 0)
2916                                         goto err;
2917                         } else if (state->modulation == STV090x_16APSK) {
2918                                 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2919                                         goto err;
2920                                 if (STV090x_WRITE_DEMOD(state, ACLC2S216A, aclc) < 0)
2921                                         goto err;
2922                         } else if (state->modulation == STV090x_32APSK)  {
2923                                 if (STV090x_WRITE_DEMOD(state, ACLC2S2Q, 0x2a) < 0)
2924                                         goto err;
2925                                 if (STV090x_WRITE_DEMOD(state, ACLC2S232A, aclc) < 0)
2926                                         goto err;
2927                         }
2928                 }
2929
2930                 STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x67); /* PER */
2931                 break;
2932
2933         case STV090x_UNKNOWN:
2934         default:
2935                 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2936                 STV090x_SETFIELD_Px(reg, DVBS1_ENABLE_FIELD, 1);
2937                 STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
2938                 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2939                         goto err;
2940                 break;
2941         }
2942
2943         f_1 = STV090x_READ_DEMOD(state, CFR2);
2944         f_0 = STV090x_READ_DEMOD(state, CFR1);
2945         reg = STV090x_READ_DEMOD(state, TMGOBS);
2946         rolloff = STV090x_GETFIELD_Px(reg, ROLLOFF_STATUS_FIELD);
2947
2948         if (state->algo == STV090x_BLIND_SEARCH) {
2949                 STV090x_WRITE_DEMOD(state, SFRSTEP, 0x00);
2950                 reg = STV090x_READ_DEMOD(state, DMDCFGMD);
2951                 STV090x_SETFIELD_Px(reg, SCAN_ENABLE_FIELD, 0x00);
2952                 STV090x_SETFIELD_Px(reg, CFR_AUTOSCAN_FIELD, 0x00);
2953                 if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
2954                         goto err;
2955                 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0)
2956                         goto err;
2957
2958                 if (stv090x_set_srate(state, srate) < 0)
2959                         goto err;
2960                 blind_tune = 1;
2961
2962                 if (stv090x_dvbs_track_crl(state) < 0)
2963                         goto err;
2964         }
2965
2966         if (state->internal->dev_ver >= 0x20) {
2967                 if ((state->search_mode == STV090x_SEARCH_DVBS1)        ||
2968                     (state->search_mode == STV090x_SEARCH_DSS)          ||
2969                     (state->search_mode == STV090x_SEARCH_AUTO)) {
2970
2971                         if (STV090x_WRITE_DEMOD(state, VAVSRVIT, 0x0a) < 0)
2972                                 goto err;
2973                         if (STV090x_WRITE_DEMOD(state, VITSCALE, 0x00) < 0)
2974                                 goto err;
2975                 }
2976         }
2977
2978         if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
2979                 goto err;
2980
2981         /* AUTO tracking MODE */
2982         if (STV090x_WRITE_DEMOD(state, SFRUP1, 0x80) < 0)
2983                 goto err;
2984         /* AUTO tracking MODE */
2985         if (STV090x_WRITE_DEMOD(state, SFRLOW1, 0x80) < 0)
2986                 goto err;
2987
2988         if ((state->internal->dev_ver >= 0x20) || (blind_tune == 1) ||
2989             (state->srate < 10000000)) {
2990                 /* update initial carrier freq with the found freq offset */
2991                 if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
2992                         goto err;
2993                 if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
2994                         goto err;
2995                 state->tuner_bw = stv090x_car_width(srate, state->rolloff) + 10000000;
2996
2997                 if ((state->internal->dev_ver >= 0x20) || (blind_tune == 1)) {
2998
2999                         if (state->algo != STV090x_WARM_SEARCH) {
3000
3001                                 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
3002                                         goto err;
3003
3004                                 if (state->config->tuner_set_bandwidth) {
3005                                         if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
3006                                                 goto err_gateoff;
3007                                 }
3008
3009                                 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
3010                                         goto err;
3011
3012                         }
3013                 }
3014                 if ((state->algo == STV090x_BLIND_SEARCH) || (state->srate < 10000000))
3015                         msleep(50); /* blind search: wait 50ms for SR stabilization */
3016                 else
3017                         msleep(5);
3018
3019                 stv090x_get_lock_tmg(state);
3020
3021                 if (!(stv090x_get_dmdlock(state, (state->DemodTimeout / 2)))) {
3022                         if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
3023                                 goto err;
3024                         if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
3025                                 goto err;
3026                         if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
3027                                 goto err;
3028                         if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
3029                                 goto err;
3030
3031                         i = 0;
3032
3033                         while ((!(stv090x_get_dmdlock(state, (state->DemodTimeout / 2)))) && (i <= 2)) {
3034
3035                                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
3036                                         goto err;
3037                                 if (STV090x_WRITE_DEMOD(state, CFRINIT1, f_1) < 0)
3038                                         goto err;
3039                                 if (STV090x_WRITE_DEMOD(state, CFRINIT0, f_0) < 0)
3040                                         goto err;
3041                                 if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x18) < 0)
3042                                         goto err;
3043                                 i++;
3044                         }
3045                 }
3046
3047         }
3048
3049         if (state->internal->dev_ver >= 0x20) {
3050                 if (STV090x_WRITE_DEMOD(state, CARFREQ, 0x49) < 0)
3051                         goto err;
3052         }
3053
3054         if ((state->delsys == STV090x_DVBS1) || (state->delsys == STV090x_DSS))
3055                 stv090x_set_vit_thtracq(state);
3056
3057         return 0;
3058
3059 err_gateoff:
3060         stv090x_i2c_gate_ctrl(fe, 0);
3061 err:
3062         dprintk(FE_ERROR, 1, "I/O error");
3063         return -1;
3064 }
3065
3066 static int stv090x_get_feclock(struct stv090x_state *state, s32 timeout)
3067 {
3068         s32 timer = 0, lock = 0, stat;
3069         u32 reg;
3070
3071         while ((timer < timeout) && (!lock)) {
3072                 reg = STV090x_READ_DEMOD(state, DMDSTATE);
3073                 stat = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
3074
3075                 switch (stat) {
3076                 case 0: /* searching */
3077                 case 1: /* first PLH detected */
3078                 default:
3079                         lock = 0;
3080                         break;
3081
3082                 case 2: /* DVB-S2 mode */
3083                         reg = STV090x_READ_DEMOD(state, PDELSTATUS1);
3084                         lock = STV090x_GETFIELD_Px(reg, PKTDELIN_LOCK_FIELD);
3085                         break;
3086
3087                 case 3: /* DVB-S1/legacy mode */
3088                         reg = STV090x_READ_DEMOD(state, VSTATUSVIT);
3089                         lock = STV090x_GETFIELD_Px(reg, LOCKEDVIT_FIELD);
3090                         break;
3091                 }
3092                 if (!lock) {
3093                         msleep(10);
3094                         timer += 10;
3095                 }
3096         }
3097         return lock;
3098 }
3099
3100 static int stv090x_get_lock(struct stv090x_state *state, s32 timeout_dmd, s32 timeout_fec)
3101 {
3102         u32 reg;
3103         s32 timer = 0;
3104         int lock;
3105
3106         lock = stv090x_get_dmdlock(state, timeout_dmd);
3107         if (lock)
3108                 lock = stv090x_get_feclock(state, timeout_fec);
3109
3110         if (lock) {
3111                 lock = 0;
3112
3113                 while ((timer < timeout_fec) && (!lock)) {
3114                         reg = STV090x_READ_DEMOD(state, TSSTATUS);
3115                         lock = STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD);
3116                         msleep(1);
3117                         timer++;
3118                 }
3119         }
3120
3121         return lock;
3122 }
3123
3124 static int stv090x_set_s2rolloff(struct stv090x_state *state)
3125 {
3126         u32 reg;
3127
3128         if (state->internal->dev_ver <= 0x20) {
3129                 /* rolloff to auto mode if DVBS2 */
3130                 reg = STV090x_READ_DEMOD(state, DEMOD);
3131                 STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 0x00);
3132                 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
3133                         goto err;
3134         } else {
3135                 /* DVB-S2 rolloff to auto mode if DVBS2 */
3136                 reg = STV090x_READ_DEMOD(state, DEMOD);
3137                 STV090x_SETFIELD_Px(reg, MANUAL_S2ROLLOFF_FIELD, 0x00);
3138                 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
3139                         goto err;
3140         }
3141         return 0;
3142 err:
3143         dprintk(FE_ERROR, 1, "I/O error");
3144         return -1;
3145 }
3146
3147
3148 static enum stv090x_signal_state stv090x_algo(struct stv090x_state *state)
3149 {
3150         struct dvb_frontend *fe = &state->frontend;
3151         enum stv090x_signal_state signal_state = STV090x_NOCARRIER;
3152         u32 reg;
3153         s32 agc1_power, power_iq = 0, i;
3154         int lock = 0, low_sr = 0, no_signal = 0;
3155
3156         reg = STV090x_READ_DEMOD(state, TSCFGH);
3157         STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 1); /* Stop path 1 stream merger */
3158         if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3159                 goto err;
3160
3161         if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x5c) < 0) /* Demod stop */
3162                 goto err;
3163
3164         if (state->internal->dev_ver >= 0x20) {
3165                 if (state->srate > 5000000) {
3166                         if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x9e) < 0)
3167                                 goto err;
3168                 } else {
3169                         if (STV090x_WRITE_DEMOD(state, CORRELABS, 0x82) < 0)
3170                                 goto err;
3171                 }
3172         }
3173
3174         stv090x_get_lock_tmg(state);
3175
3176         if (state->algo == STV090x_BLIND_SEARCH) {
3177                 state->tuner_bw = 2 * 36000000; /* wide bw for unknown srate */
3178                 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc0) < 0) /* wider srate scan */
3179                         goto err;
3180                 if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x70) < 0)
3181                         goto err;
3182                 if (stv090x_set_srate(state, 1000000) < 0) /* inital srate = 1Msps */
3183                         goto err;
3184         } else {
3185                 /* known srate */
3186                 if (STV090x_WRITE_DEMOD(state, DMDTOM, 0x20) < 0)
3187                         goto err;
3188                 if (STV090x_WRITE_DEMOD(state, TMGCFG, 0xd2) < 0)
3189                         goto err;
3190
3191                 if (state->srate < 2000000) {
3192                         /* SR < 2MSPS */
3193                         if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x63) < 0)
3194                                 goto err;
3195                 } else {
3196                         /* SR >= 2Msps */
3197                         if (STV090x_WRITE_DEMOD(state, CORRELMANT, 0x70) < 0)
3198                                 goto err;
3199                 }
3200
3201                 if (STV090x_WRITE_DEMOD(state, AGC2REF, 0x38) < 0)
3202                         goto err;
3203
3204                 if (state->internal->dev_ver >= 0x20) {
3205                         if (STV090x_WRITE_DEMOD(state, KREFTMG, 0x5a) < 0)
3206                                 goto err;
3207                         if (state->algo == STV090x_COLD_SEARCH)
3208                                 state->tuner_bw = (15 * (stv090x_car_width(state->srate, state->rolloff) + 10000000)) / 10;
3209                         else if (state->algo == STV090x_WARM_SEARCH)
3210                                 state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + 10000000;
3211                 }
3212
3213                 /* if cold start or warm  (Symbolrate is known)
3214                  * use a Narrow symbol rate scan range
3215                  */
3216                 if (STV090x_WRITE_DEMOD(state, TMGCFG2, 0xc1) < 0) /* narrow srate scan */
3217                         goto err;
3218
3219                 if (stv090x_set_srate(state, state->srate) < 0)
3220                         goto err;
3221
3222                 if (stv090x_set_max_srate(state, state->internal->mclk,
3223                                           state->srate) < 0)
3224                         goto err;
3225                 if (stv090x_set_min_srate(state, state->internal->mclk,
3226                                           state->srate) < 0)
3227                         goto err;
3228
3229                 if (state->srate >= 10000000)
3230                         low_sr = 0;
3231                 else
3232                         low_sr = 1;
3233         }
3234
3235         /* Setup tuner */
3236         if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
3237                 goto err;
3238
3239         if (state->config->tuner_set_bbgain) {
3240                 if (state->config->tuner_set_bbgain(fe, 10) < 0) /* 10dB */
3241                         goto err_gateoff;
3242         }
3243
3244         if (state->config->tuner_set_frequency) {
3245                 if (state->config->tuner_set_frequency(fe, state->frequency) < 0)
3246                         goto err_gateoff;
3247         }
3248
3249         if (state->config->tuner_set_bandwidth) {
3250                 if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
3251                         goto err_gateoff;
3252         }
3253
3254         if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
3255                 goto err;
3256
3257         msleep(50);
3258
3259         if (state->config->tuner_get_status) {
3260                 if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
3261                         goto err;
3262                 if (state->config->tuner_get_status(fe, &reg) < 0)
3263                         goto err_gateoff;
3264                 if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
3265                         goto err;
3266
3267                 if (reg)
3268                         dprintk(FE_DEBUG, 1, "Tuner phase locked");
3269                 else {
3270                         dprintk(FE_DEBUG, 1, "Tuner unlocked");
3271                         return STV090x_NOCARRIER;
3272                 }
3273         }
3274
3275         msleep(10);
3276         agc1_power = MAKEWORD16(STV090x_READ_DEMOD(state, AGCIQIN1),
3277                                 STV090x_READ_DEMOD(state, AGCIQIN0));
3278
3279         if (agc1_power == 0) {
3280                 /* If AGC1 integrator value is 0
3281                  * then read POWERI, POWERQ
3282                  */
3283                 for (i = 0; i < 5; i++) {
3284                         power_iq += (STV090x_READ_DEMOD(state, POWERI) +
3285                                      STV090x_READ_DEMOD(state, POWERQ)) >> 1;
3286                 }
3287                 power_iq /= 5;
3288         }
3289
3290         if ((agc1_power == 0) && (power_iq < STV090x_IQPOWER_THRESHOLD)) {
3291                 dprintk(FE_ERROR, 1, "No Signal: POWER_IQ=0x%02x", power_iq);
3292                 lock = 0;
3293                 signal_state = STV090x_NOAGC1;
3294         } else {
3295                 reg = STV090x_READ_DEMOD(state, DEMOD);
3296                 STV090x_SETFIELD_Px(reg, SPECINV_CONTROL_FIELD, state->inversion);
3297
3298                 if (state->internal->dev_ver <= 0x20) {
3299                         /* rolloff to auto mode if DVBS2 */
3300                         STV090x_SETFIELD_Px(reg, MANUAL_SXROLLOFF_FIELD, 1);
3301                 } else {
3302                         /* DVB-S2 rolloff to auto mode if DVBS2 */
3303                         STV090x_SETFIELD_Px(reg, MANUAL_S2ROLLOFF_FIELD, 1);
3304                 }
3305                 if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
3306                         goto err;
3307
3308                 if (stv090x_delivery_search(state) < 0)
3309                         goto err;
3310
3311                 if (state->algo != STV090x_BLIND_SEARCH) {
3312                         if (stv090x_start_search(state) < 0)
3313                                 goto err;
3314                 }
3315         }
3316
3317         if (signal_state == STV090x_NOAGC1)
3318                 return signal_state;
3319
3320         if (state->algo == STV090x_BLIND_SEARCH)
3321                 lock = stv090x_blind_search(state);
3322
3323         else if (state->algo == STV090x_COLD_SEARCH)
3324                 lock = stv090x_get_coldlock(state, state->DemodTimeout);
3325
3326         else if (state->algo == STV090x_WARM_SEARCH)
3327                 lock = stv090x_get_dmdlock(state, state->DemodTimeout);
3328
3329         if ((!lock) && (state->algo == STV090x_COLD_SEARCH)) {
3330                 if (!low_sr) {
3331                         if (stv090x_chk_tmg(state))
3332                                 lock = stv090x_sw_algo(state);
3333                 }
3334         }
3335
3336         if (lock)
3337                 signal_state = stv090x_get_sig_params(state);
3338
3339         if ((lock) && (signal_state == STV090x_RANGEOK)) { /* signal within Range */
3340                 stv090x_optimize_track(state);
3341
3342                 if (state->internal->dev_ver >= 0x20) {
3343                         /* >= Cut 2.0 :release TS reset after
3344                          * demod lock and optimized Tracking
3345                          */
3346                         reg = STV090x_READ_DEMOD(state, TSCFGH);
3347                         STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0); /* release merger reset */
3348                         if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3349                                 goto err;
3350
3351                         msleep(3);
3352
3353                         STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 1); /* merger reset */
3354                         if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3355                                 goto err;
3356
3357                         STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0); /* release merger reset */
3358                         if (STV090x_WRITE_DEMOD(state, TSCFGH, reg) < 0)
3359                                 goto err;
3360                 }
3361
3362                 lock = stv090x_get_lock(state, state->FecTimeout,
3363                                 state->FecTimeout);
3364                 if (lock) {
3365                         if (state->delsys == STV090x_DVBS2) {
3366                                 stv090x_set_s2rolloff(state);
3367
3368                                 reg = STV090x_READ_DEMOD(state, PDELCTRL2);
3369                                 STV090x_SETFIELD_Px(reg, RESET_UPKO_COUNT, 1);
3370                                 if (STV090x_WRITE_DEMOD(state, PDELCTRL2, reg) < 0)
3371                                         goto err;
3372                                 /* Reset DVBS2 packet delinator error counter */
3373                                 reg = STV090x_READ_DEMOD(state, PDELCTRL2);
3374                                 STV090x_SETFIELD_Px(reg, RESET_UPKO_COUNT, 0);
3375                                 if (STV090x_WRITE_DEMOD(state, PDELCTRL2, reg) < 0)
3376                                         goto err;
3377
3378                                 if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x67) < 0) /* PER */
3379                                         goto err;
3380                         } else {
3381                                 if (STV090x_WRITE_DEMOD(state, ERRCTRL1, 0x75) < 0)
3382                                         goto err;
3383                         }
3384                         /* Reset the Total packet counter */
3385                         if (STV090x_WRITE_DEMOD(state, FBERCPT4, 0x00) < 0)
3386                                 goto err;
3387                         /* Reset the packet Error counter2 */
3388                         if (STV090x_WRITE_DEMOD(state, ERRCTRL2, 0xc1) < 0)
3389                                 goto err;
3390                 } else {
3391                         signal_state = STV090x_NODATA;
3392                         no_signal = stv090x_chk_signal(state);
3393                 }
3394         }
3395         return signal_state;
3396
3397 err_gateoff:
3398         stv090x_i2c_gate_ctrl(fe, 0);
3399 err:
3400         dprintk(FE_ERROR, 1, "I/O error");
3401         return -1;
3402 }
3403
3404 static enum dvbfe_search stv090x_search(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
3405 {
3406         struct stv090x_state *state = fe->demodulator_priv;
3407         struct dtv_frontend_properties *props = &fe->dtv_property_cache;
3408
3409         if (p->frequency == 0)
3410                 return DVBFE_ALGO_SEARCH_INVALID;
3411
3412         state->delsys = props->delivery_system;
3413         state->frequency = p->frequency;
3414         state->srate = p->u.qpsk.symbol_rate;
3415         state->search_mode = STV090x_SEARCH_AUTO;
3416         state->algo = STV090x_COLD_SEARCH;
3417         state->fec = STV090x_PRERR;
3418         if (state->srate > 10000000) {
3419                 dprintk(FE_DEBUG, 1, "Search range: 10 MHz");
3420                 state->search_range = 10000000;
3421         } else {
3422                 dprintk(FE_DEBUG, 1, "Search range: 5 MHz");
3423                 state->search_range = 5000000;
3424         }
3425
3426         if (stv090x_algo(state) == STV090x_RANGEOK) {
3427                 dprintk(FE_DEBUG, 1, "Search success!");
3428                 return DVBFE_ALGO_SEARCH_SUCCESS;
3429         } else {
3430                 dprintk(FE_DEBUG, 1, "Search failed!");
3431                 return DVBFE_ALGO_SEARCH_FAILED;
3432         }
3433
3434         return DVBFE_ALGO_SEARCH_ERROR;
3435 }
3436
3437 static int stv090x_read_status(struct dvb_frontend *fe, enum fe_status *status)
3438 {
3439         struct stv090x_state *state = fe->demodulator_priv;
3440         u32 reg;
3441         u8 search_state;
3442
3443         reg = STV090x_READ_DEMOD(state, DMDSTATE);
3444         search_state = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
3445
3446         switch (search_state) {
3447         case 0: /* searching */
3448         case 1: /* first PLH detected */
3449         default:
3450                 dprintk(FE_DEBUG, 1, "Status: Unlocked (Searching ..)");
3451                 *status = 0;
3452                 break;
3453
3454         case 2: /* DVB-S2 mode */
3455                 dprintk(FE_DEBUG, 1, "Delivery system: DVB-S2");
3456                 reg = STV090x_READ_DEMOD(state, DSTATUS);
3457                 if (STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD)) {
3458                         reg = STV090x_READ_DEMOD(state, PDELSTATUS1);
3459                         if (STV090x_GETFIELD_Px(reg, PKTDELIN_LOCK_FIELD)) {
3460                                 reg = STV090x_READ_DEMOD(state, TSSTATUS);
3461                                 if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD)) {
3462                                         *status = FE_HAS_SIGNAL |
3463                                                   FE_HAS_CARRIER |
3464                                                   FE_HAS_VITERBI |
3465                                                   FE_HAS_SYNC |
3466                                                   FE_HAS_LOCK;
3467                                 }
3468                         }
3469                 }
3470                 break;
3471
3472         case 3: /* DVB-S1/legacy mode */
3473                 dprintk(FE_DEBUG, 1, "Delivery system: DVB-S");
3474                 reg = STV090x_READ_DEMOD(state, DSTATUS);
3475                 if (STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD)) {
3476                         reg = STV090x_READ_DEMOD(state, VSTATUSVIT);
3477                         if (STV090x_GETFIELD_Px(reg, LOCKEDVIT_FIELD)) {
3478                                 reg = STV090x_READ_DEMOD(state, TSSTATUS);
3479                                 if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD)) {
3480                                         *status = FE_HAS_SIGNAL |
3481                                                   FE_HAS_CARRIER |
3482                                                   FE_HAS_VITERBI |
3483                                                   FE_HAS_SYNC |
3484                                                   FE_HAS_LOCK;
3485                                 }
3486                         }
3487                 }
3488                 break;
3489         }
3490
3491         return 0;
3492 }
3493
3494 static int stv090x_read_per(struct dvb_frontend *fe, u32 *per)
3495 {
3496         struct stv090x_state *state = fe->demodulator_priv;
3497
3498         s32 count_4, count_3, count_2, count_1, count_0, count;
3499         u32 reg, h, m, l;
3500         enum fe_status status;
3501
3502         stv090x_read_status(fe, &status);
3503         if (!(status & FE_HAS_LOCK)) {
3504                 *per = 1 << 23; /* Max PER */
3505         } else {
3506                 /* Counter 2 */
3507                 reg = STV090x_READ_DEMOD(state, ERRCNT22);
3508                 h = STV090x_GETFIELD_Px(reg, ERR_CNT2_FIELD);
3509
3510                 reg = STV090x_READ_DEMOD(state, ERRCNT21);
3511                 m = STV090x_GETFIELD_Px(reg, ERR_CNT21_FIELD);
3512
3513                 reg = STV090x_READ_DEMOD(state, ERRCNT20);
3514                 l = STV090x_GETFIELD_Px(reg, ERR_CNT20_FIELD);
3515
3516                 *per = ((h << 16) | (m << 8) | l);
3517
3518                 count_4 = STV090x_READ_DEMOD(state, FBERCPT4);
3519                 count_3 = STV090x_READ_DEMOD(state, FBERCPT3);
3520                 count_2 = STV090x_READ_DEMOD(state, FBERCPT2);
3521                 count_1 = STV090x_READ_DEMOD(state, FBERCPT1);
3522                 count_0 = STV090x_READ_DEMOD(state, FBERCPT0);
3523
3524                 if ((!count_4) && (!count_3)) {
3525                         count  = (count_2 & 0xff) << 16;
3526                         count |= (count_1 & 0xff) <<  8;
3527                         count |=  count_0 & 0xff;
3528                 } else {
3529                         count = 1 << 24;
3530                 }
3531                 if (count == 0)
3532                         *per = 1;
3533         }
3534         if (STV090x_WRITE_DEMOD(state, FBERCPT4, 0) < 0)
3535                 goto err;
3536         if (STV090x_WRITE_DEMOD(state, ERRCTRL2, 0xc1) < 0)
3537                 goto err;
3538
3539         return 0;
3540 err:
3541         dprintk(FE_ERROR, 1, "I/O error");
3542         return -1;
3543 }
3544
3545 static int stv090x_table_lookup(const struct stv090x_tab *tab, int max, int val)
3546 {
3547         int res = 0;
3548         int min = 0, med;
3549
3550         if ((val >= tab[min].read && val < tab[max].read) ||
3551             (val >= tab[max].read && val < tab[min].read)) {
3552                 while ((max - min) > 1) {
3553                         med = (max + min) / 2;
3554                         if ((val >= tab[min].read && val < tab[med].read) ||
3555                             (val >= tab[med].read && val < tab[min].read))
3556                                 max = med;
3557                         else
3558                                 min = med;
3559                 }
3560                 res = ((val - tab[min].read) *
3561                        (tab[max].real - tab[min].real) /
3562                        (tab[max].read - tab[min].read)) +
3563                         tab[min].real;
3564         } else {
3565                 if (tab[min].read < tab[max].read) {
3566                         if (val < tab[min].read)
3567                                 res = tab[min].real;
3568                         else if (val >= tab[max].read)
3569                                 res = tab[max].real;
3570                 } else {
3571                         if (val >= tab[min].read)
3572                                 res = tab[min].real;
3573                         else if (val < tab[max].read)
3574                                 res = tab[max].real;
3575                 }
3576         }
3577
3578         return res;
3579 }
3580
3581 static int stv090x_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
3582 {
3583         struct stv090x_state *state = fe->demodulator_priv;
3584         u32 reg;
3585         s32 agc_0, agc_1, agc;
3586         s32 str;
3587
3588         reg = STV090x_READ_DEMOD(state, AGCIQIN1);
3589         agc_1 = STV090x_GETFIELD_Px(reg, AGCIQ_VALUE_FIELD);
3590         reg = STV090x_READ_DEMOD(state, AGCIQIN0);
3591         agc_0 = STV090x_GETFIELD_Px(reg, AGCIQ_VALUE_FIELD);
3592         agc = MAKEWORD16(agc_1, agc_0);
3593
3594         str = stv090x_table_lookup(stv090x_rf_tab,
3595                 ARRAY_SIZE(stv090x_rf_tab) - 1, agc);
3596         if (agc > stv090x_rf_tab[0].read)
3597                 str = 0;
3598         else if (agc < stv090x_rf_tab[ARRAY_SIZE(stv090x_rf_tab) - 1].read)
3599                 str = -100;
3600         *strength = (str + 100) * 0xFFFF / 100;
3601
3602         return 0;
3603 }
3604
3605 static int stv090x_read_cnr(struct dvb_frontend *fe, u16 *cnr)
3606 {
3607         struct stv090x_state *state = fe->demodulator_priv;
3608         u32 reg_0, reg_1, reg, i;
3609         s32 val_0, val_1, val = 0;
3610         u8 lock_f;
3611         s32 div;
3612         u32 last;
3613
3614         switch (state->delsys) {
3615         case STV090x_DVBS2:
3616                 reg = STV090x_READ_DEMOD(state, DSTATUS);
3617                 lock_f = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
3618                 if (lock_f) {
3619                         msleep(5);
3620                         for (i = 0; i < 16; i++) {
3621                                 reg_1 = STV090x_READ_DEMOD(state, NNOSPLHT1);
3622                                 val_1 = STV090x_GETFIELD_Px(reg_1, NOSPLHT_NORMED_FIELD);
3623                                 reg_0 = STV090x_READ_DEMOD(state, NNOSPLHT0);
3624                                 val_0 = STV090x_GETFIELD_Px(reg_0, NOSPLHT_NORMED_FIELD);
3625                                 val  += MAKEWORD16(val_1, val_0);
3626                                 msleep(1);
3627                         }
3628                         val /= 16;
3629                         last = ARRAY_SIZE(stv090x_s2cn_tab) - 1;
3630                         div = stv090x_s2cn_tab[0].read -
3631                               stv090x_s2cn_tab[last].read;
3632                         *cnr = 0xFFFF - ((val * 0xFFFF) / div);
3633                 }
3634                 break;
3635
3636         case STV090x_DVBS1:
3637         case STV090x_DSS:
3638                 reg = STV090x_READ_DEMOD(state, DSTATUS);
3639                 lock_f = STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD);
3640                 if (lock_f) {
3641                         msleep(5);
3642                         for (i = 0; i < 16; i++) {
3643                                 reg_1 = STV090x_READ_DEMOD(state, NOSDATAT1);
3644                                 val_1 = STV090x_GETFIELD_Px(reg_1, NOSDATAT_UNNORMED_FIELD);
3645                                 reg_0 = STV090x_READ_DEMOD(state, NOSDATAT0);
3646                                 val_0 = STV090x_GETFIELD_Px(reg_0, NOSDATAT_UNNORMED_FIELD);
3647                                 val  += MAKEWORD16(val_1, val_0);
3648                                 msleep(1);
3649                         }
3650                         val /= 16;
3651                         last = ARRAY_SIZE(stv090x_s1cn_tab) - 1;
3652                         div = stv090x_s1cn_tab[0].read -
3653                               stv090x_s1cn_tab[last].read;
3654                         *cnr = 0xFFFF - ((val * 0xFFFF) / div);
3655                 }
3656                 break;
3657         default:
3658                 break;
3659         }
3660
3661         return 0;
3662 }
3663
3664 static int stv090x_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
3665 {
3666         struct stv090x_state *state = fe->demodulator_priv;
3667         u32 reg;
3668
3669         reg = STV090x_READ_DEMOD(state, DISTXCTL);
3670         switch (tone) {
3671         case SEC_TONE_ON:
3672                 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 0);
3673                 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3674                 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3675                         goto err;
3676                 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
3677                 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3678                         goto err;
3679                 break;
3680
3681         case SEC_TONE_OFF:
3682                 STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 0);
3683                 STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3684                 if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3685                         goto err;
3686                 break;
3687         default:
3688                 return -EINVAL;
3689         }
3690
3691         return 0;
3692 err:
3693         dprintk(FE_ERROR, 1, "I/O error");
3694         return -1;
3695 }
3696
3697
3698 static enum dvbfe_algo stv090x_frontend_algo(struct dvb_frontend *fe)
3699 {
3700         return DVBFE_ALGO_CUSTOM;
3701 }
3702
3703 static int stv090x_send_diseqc_msg(struct dvb_frontend *fe, struct dvb_diseqc_master_cmd *cmd)
3704 {
3705         struct stv090x_state *state = fe->demodulator_priv;
3706         u32 reg, idle = 0, fifo_full = 1;
3707         int i;
3708
3709         reg = STV090x_READ_DEMOD(state, DISTXCTL);
3710
3711         STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD,
3712                 (state->config->diseqc_envelope_mode) ? 4 : 2);
3713         STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3714         if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3715                 goto err;
3716         STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
3717         if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3718                 goto err;
3719
3720         STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 1);
3721         if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3722                 goto err;
3723
3724         for (i = 0; i < cmd->msg_len; i++) {
3725
3726                 while (fifo_full) {
3727                         reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3728                         fifo_full = STV090x_GETFIELD_Px(reg, FIFO_FULL_FIELD);
3729                 }
3730
3731                 if (STV090x_WRITE_DEMOD(state, DISTXDATA, cmd->msg[i]) < 0)
3732                         goto err;
3733         }
3734         reg = STV090x_READ_DEMOD(state, DISTXCTL);
3735         STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 0);
3736         if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3737                 goto err;
3738
3739         i = 0;
3740
3741         while ((!idle) && (i < 10)) {
3742                 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3743                 idle = STV090x_GETFIELD_Px(reg, TX_IDLE_FIELD);
3744                 msleep(10);
3745                 i++;
3746         }
3747
3748         return 0;
3749 err:
3750         dprintk(FE_ERROR, 1, "I/O error");
3751         return -1;
3752 }
3753
3754 static int stv090x_send_diseqc_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t burst)
3755 {
3756         struct stv090x_state *state = fe->demodulator_priv;
3757         u32 reg, idle = 0, fifo_full = 1;
3758         u8 mode, value;
3759         int i;
3760
3761         reg = STV090x_READ_DEMOD(state, DISTXCTL);
3762
3763         if (burst == SEC_MINI_A) {
3764                 mode = (state->config->diseqc_envelope_mode) ? 5 : 3;
3765                 value = 0x00;
3766         } else {
3767                 mode = (state->config->diseqc_envelope_mode) ? 4 : 2;
3768                 value = 0xFF;
3769         }
3770
3771         STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, mode);
3772         STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
3773         if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3774                 goto err;
3775         STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 0);
3776         if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3777                 goto err;
3778
3779         STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 1);
3780         if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3781                 goto err;
3782
3783         while (fifo_full) {
3784                 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3785                 fifo_full = STV090x_GETFIELD_Px(reg, FIFO_FULL_FIELD);
3786         }
3787
3788         if (STV090x_WRITE_DEMOD(state, DISTXDATA, value) < 0)
3789                 goto err;
3790
3791         reg = STV090x_READ_DEMOD(state, DISTXCTL);
3792         STV090x_SETFIELD_Px(reg, DIS_PRECHARGE_FIELD, 0);
3793         if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
3794                 goto err;
3795
3796         i = 0;
3797
3798         while ((!idle) && (i < 10)) {
3799                 reg = STV090x_READ_DEMOD(state, DISTXSTATUS);
3800                 idle = STV090x_GETFIELD_Px(reg, TX_IDLE_FIELD);
3801                 msleep(10);
3802                 i++;
3803         }
3804
3805         return 0;
3806 err:
3807         dprintk(FE_ERROR, 1, "I/O error");
3808         return -1;
3809 }
3810
3811 static int stv090x_recv_slave_reply(struct dvb_frontend *fe, struct dvb_diseqc_slave_reply *reply)
3812 {
3813         struct stv090x_state *state = fe->demodulator_priv;
3814         u32 reg = 0, i = 0, rx_end = 0;
3815
3816         while ((rx_end != 1) && (i < 10)) {
3817                 msleep(10);
3818                 i++;
3819                 reg = STV090x_READ_DEMOD(state, DISRX_ST0);
3820                 rx_end = STV090x_GETFIELD_Px(reg, RX_END_FIELD);
3821         }
3822
3823         if (rx_end) {
3824                 reply->msg_len = STV090x_GETFIELD_Px(reg, FIFO_BYTENBR_FIELD);
3825                 for (i = 0; i < reply->msg_len; i++)
3826                         reply->msg[i] = STV090x_READ_DEMOD(state, DISRXDATA);
3827         }
3828
3829         return 0;
3830 }
3831
3832 static int stv090x_sleep(struct dvb_frontend *fe)
3833 {
3834         struct stv090x_state *state = fe->demodulator_priv;
3835         u32 reg;
3836
3837         dprintk(FE_DEBUG, 1, "Set %s to sleep",
3838                 state->device == STV0900 ? "STV0900" : "STV0903");
3839
3840         reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
3841         STV090x_SETFIELD(reg, STANDBY_FIELD, 0x01);
3842         if (stv090x_write_reg(state, STV090x_SYNTCTRL, reg) < 0)
3843                 goto err;
3844
3845         reg = stv090x_read_reg(state, STV090x_TSTTNR1);
3846         STV090x_SETFIELD(reg, ADC1_PON_FIELD, 0);
3847         if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
3848                 goto err;
3849
3850         return 0;
3851 err:
3852         dprintk(FE_ERROR, 1, "I/O error");
3853         return -1;
3854 }
3855
3856 static int stv090x_wakeup(struct dvb_frontend *fe)
3857 {
3858         struct stv090x_state *state = fe->demodulator_priv;
3859         u32 reg;
3860
3861         dprintk(FE_DEBUG, 1, "Wake %s from standby",
3862                 state->device == STV0900 ? "STV0900" : "STV0903");
3863
3864         reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
3865         STV090x_SETFIELD(reg, STANDBY_FIELD, 0x00);
3866         if (stv090x_write_reg(state, STV090x_SYNTCTRL, reg) < 0)
3867                 goto err;
3868
3869         reg = stv090x_read_reg(state, STV090x_TSTTNR1);
3870         STV090x_SETFIELD(reg, ADC1_PON_FIELD, 1);
3871         if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
3872                 goto err;
3873
3874         return 0;
3875 err:
3876         dprintk(FE_ERROR, 1, "I/O error");
3877         return -1;
3878 }
3879
3880 static void stv090x_release(struct dvb_frontend *fe)
3881 {
3882         struct stv090x_state *state = fe->demodulator_priv;
3883
3884         state->internal->num_used--;
3885         if (state->internal->num_used <= 0) {
3886
3887                 dprintk(FE_ERROR, 1, "Actually removing");
3888
3889                 remove_dev(state->internal);
3890                 kfree(state->internal);
3891         }
3892
3893         kfree(state);
3894 }
3895
3896 static int stv090x_ldpc_mode(struct stv090x_state *state, enum stv090x_mode ldpc_mode)
3897 {
3898         u32 reg = 0;
3899
3900         reg = stv090x_read_reg(state, STV090x_GENCFG);
3901
3902         switch (ldpc_mode) {
3903         case STV090x_DUAL:
3904         default:
3905                 if ((state->demod_mode != STV090x_DUAL) || (STV090x_GETFIELD(reg, DDEMOD_FIELD) != 1)) {
3906                         /* set LDPC to dual mode */
3907                         if (stv090x_write_reg(state, STV090x_GENCFG, 0x1d) < 0)
3908                                 goto err;
3909
3910                         state->demod_mode = STV090x_DUAL;
3911
3912                         reg = stv090x_read_reg(state, STV090x_TSTRES0);
3913                         STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x1);
3914                         if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
3915                                 goto err;
3916                         STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x0);
3917                         if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
3918                                 goto err;
3919
3920                         if (STV090x_WRITE_DEMOD(state, MODCODLST0, 0xff) < 0)
3921                                 goto err;
3922                         if (STV090x_WRITE_DEMOD(state, MODCODLST1, 0xff) < 0)
3923                                 goto err;
3924                         if (STV090x_WRITE_DEMOD(state, MODCODLST2, 0xff) < 0)
3925                                 goto err;
3926                         if (STV090x_WRITE_DEMOD(state, MODCODLST3, 0xff) < 0)
3927                                 goto err;
3928                         if (STV090x_WRITE_DEMOD(state, MODCODLST4, 0xff) < 0)
3929                                 goto err;
3930                         if (STV090x_WRITE_DEMOD(state, MODCODLST5, 0xff) < 0)
3931                                 goto err;
3932                         if (STV090x_WRITE_DEMOD(state, MODCODLST6, 0xff) < 0)
3933                                 goto err;
3934
3935                         if (STV090x_WRITE_DEMOD(state, MODCODLST7, 0xcc) < 0)
3936                                 goto err;
3937                         if (STV090x_WRITE_DEMOD(state, MODCODLST8, 0xcc) < 0)
3938                                 goto err;
3939                         if (STV090x_WRITE_DEMOD(state, MODCODLST9, 0xcc) < 0)
3940                                 goto err;
3941                         if (STV090x_WRITE_DEMOD(state, MODCODLSTA, 0xcc) < 0)
3942                                 goto err;
3943                         if (STV090x_WRITE_DEMOD(state, MODCODLSTB, 0xcc) < 0)
3944                                 goto err;
3945                         if (STV090x_WRITE_DEMOD(state, MODCODLSTC, 0xcc) < 0)
3946                                 goto err;
3947                         if (STV090x_WRITE_DEMOD(state, MODCODLSTD, 0xcc) < 0)
3948                                 goto err;
3949
3950                         if (STV090x_WRITE_DEMOD(state, MODCODLSTE, 0xff) < 0)
3951                                 goto err;
3952                         if (STV090x_WRITE_DEMOD(state, MODCODLSTF, 0xcf) < 0)
3953                                 goto err;
3954                 }
3955                 break;
3956
3957         case STV090x_SINGLE:
3958                 if (stv090x_stop_modcod(state) < 0)
3959                         goto err;
3960                 if (stv090x_activate_modcod_single(state) < 0)
3961                         goto err;
3962
3963                 if (state->demod == STV090x_DEMODULATOR_1) {
3964                         if (stv090x_write_reg(state, STV090x_GENCFG, 0x06) < 0) /* path 2 */
3965                                 goto err;
3966                 } else {
3967                         if (stv090x_write_reg(state, STV090x_GENCFG, 0x04) < 0) /* path 1 */
3968                                 goto err;
3969                 }
3970
3971                 reg = stv090x_read_reg(state, STV090x_TSTRES0);
3972                 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x1);
3973                 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
3974                         goto err;
3975                 STV090x_SETFIELD(reg, FRESFEC_FIELD, 0x0);
3976                 if (stv090x_write_reg(state, STV090x_TSTRES0, reg) < 0)
3977                         goto err;
3978
3979                 reg = STV090x_READ_DEMOD(state, PDELCTRL1);
3980                 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x01);
3981                 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
3982                         goto err;
3983                 STV090x_SETFIELD_Px(reg, ALGOSWRST_FIELD, 0x00);
3984                 if (STV090x_WRITE_DEMOD(state, PDELCTRL1, reg) < 0)
3985                         goto err;
3986                 break;
3987         }
3988
3989         return 0;
3990 err:
3991         dprintk(FE_ERROR, 1, "I/O error");
3992         return -1;
3993 }
3994
3995 /* return (Hz), clk in Hz*/
3996 static u32 stv090x_get_mclk(struct stv090x_state *state)
3997 {
3998         const struct stv090x_config *config = state->config;
3999         u32 div, reg;
4000         u8 ratio;
4001
4002         div = stv090x_read_reg(state, STV090x_NCOARSE);
4003         reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
4004         ratio = STV090x_GETFIELD(reg, SELX1RATIO_FIELD) ? 4 : 6;
4005
4006         return (div + 1) * config->xtal / ratio; /* kHz */
4007 }
4008
4009 static int stv090x_set_mclk(struct stv090x_state *state, u32 mclk, u32 clk)
4010 {
4011         const struct stv090x_config *config = state->config;
4012         u32 reg, div, clk_sel;
4013
4014         reg = stv090x_read_reg(state, STV090x_SYNTCTRL);
4015         clk_sel = ((STV090x_GETFIELD(reg, SELX1RATIO_FIELD) == 1) ? 4 : 6);
4016
4017         div = ((clk_sel * mclk) / config->xtal) - 1;
4018
4019         reg = stv090x_read_reg(state, STV090x_NCOARSE);
4020         STV090x_SETFIELD(reg, M_DIV_FIELD, div);
4021         if (stv090x_write_reg(state, STV090x_NCOARSE, reg) < 0)
4022                 goto err;
4023
4024         state->internal->mclk = stv090x_get_mclk(state);
4025
4026         /*Set the DiseqC frequency to 22KHz */
4027         div = state->internal->mclk / 704000;
4028         if (STV090x_WRITE_DEMOD(state, F22TX, div) < 0)
4029                 goto err;
4030         if (STV090x_WRITE_DEMOD(state, F22RX, div) < 0)
4031                 goto err;
4032
4033         return 0;
4034 err:
4035         dprintk(FE_ERROR, 1, "I/O error");
4036         return -1;
4037 }
4038
4039 static int stv090x_set_tspath(struct stv090x_state *state)
4040 {
4041         u32 reg;
4042
4043         if (state->internal->dev_ver >= 0x20) {
4044                 switch (state->config->ts1_mode) {
4045                 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4046                 case STV090x_TSMODE_DVBCI:
4047                         switch (state->config->ts2_mode) {
4048                         case STV090x_TSMODE_SERIAL_PUNCTURED:
4049                         case STV090x_TSMODE_SERIAL_CONTINUOUS:
4050                         default:
4051                                 stv090x_write_reg(state, STV090x_TSGENERAL, 0x00);
4052                                 break;
4053
4054                         case STV090x_TSMODE_PARALLEL_PUNCTURED:
4055                         case STV090x_TSMODE_DVBCI:
4056                                 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x06) < 0) /* Mux'd stream mode */
4057                                         goto err;
4058                                 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
4059                                 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4060                                 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
4061                                         goto err;
4062                                 reg = stv090x_read_reg(state, STV090x_P2_TSCFGM);
4063                                 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4064                                 if (stv090x_write_reg(state, STV090x_P2_TSCFGM, reg) < 0)
4065                                         goto err;
4066                                 if (stv090x_write_reg(state, STV090x_P1_TSSPEED, 0x14) < 0)
4067                                         goto err;
4068                                 if (stv090x_write_reg(state, STV090x_P2_TSSPEED, 0x28) < 0)
4069                                         goto err;
4070                                 break;
4071                         }
4072                         break;
4073
4074                 case STV090x_TSMODE_SERIAL_PUNCTURED:
4075                 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4076                 default:
4077                         switch (state->config->ts2_mode) {
4078                         case STV090x_TSMODE_SERIAL_PUNCTURED:
4079                         case STV090x_TSMODE_SERIAL_CONTINUOUS:
4080                         default:
4081                                 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c) < 0)
4082                                         goto err;
4083                                 break;
4084
4085                         case STV090x_TSMODE_PARALLEL_PUNCTURED:
4086                         case STV090x_TSMODE_DVBCI:
4087                                 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0a) < 0)
4088                                         goto err;
4089                                 break;
4090                         }
4091                         break;
4092                 }
4093         } else {
4094                 switch (state->config->ts1_mode) {
4095                 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4096                 case STV090x_TSMODE_DVBCI:
4097                         switch (state->config->ts2_mode) {
4098                         case STV090x_TSMODE_SERIAL_PUNCTURED:
4099                         case STV090x_TSMODE_SERIAL_CONTINUOUS:
4100                         default:
4101                                 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x10);
4102                                 break;
4103
4104                         case STV090x_TSMODE_PARALLEL_PUNCTURED:
4105                         case STV090x_TSMODE_DVBCI:
4106                                 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x16);
4107                                 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
4108                                 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4109                                 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
4110                                         goto err;
4111                                 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
4112                                 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 0);
4113                                 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
4114                                         goto err;
4115                                 if (stv090x_write_reg(state, STV090x_P1_TSSPEED, 0x14) < 0)
4116                                         goto err;
4117                                 if (stv090x_write_reg(state, STV090x_P2_TSSPEED, 0x28) < 0)
4118                                         goto err;
4119                                 break;
4120                         }
4121                         break;
4122
4123                 case STV090x_TSMODE_SERIAL_PUNCTURED:
4124                 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4125                 default:
4126                         switch (state->config->ts2_mode) {
4127                         case STV090x_TSMODE_SERIAL_PUNCTURED:
4128                         case STV090x_TSMODE_SERIAL_CONTINUOUS:
4129                         default:
4130                                 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x14);
4131                                 break;
4132
4133                         case STV090x_TSMODE_PARALLEL_PUNCTURED:
4134                         case STV090x_TSMODE_DVBCI:
4135                                 stv090x_write_reg(state, STV090x_TSGENERAL1X, 0x12);
4136                                 break;
4137                         }
4138                         break;
4139                 }
4140         }
4141
4142         switch (state->config->ts1_mode) {
4143         case STV090x_TSMODE_PARALLEL_PUNCTURED:
4144                 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4145                 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4146                 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4147                 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4148                         goto err;
4149                 break;
4150
4151         case STV090x_TSMODE_DVBCI:
4152                 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4153                 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4154                 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4155                 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4156                         goto err;
4157                 break;
4158
4159         case STV090x_TSMODE_SERIAL_PUNCTURED:
4160                 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4161                 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4162                 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4163                 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4164                         goto err;
4165                 break;
4166
4167         case STV090x_TSMODE_SERIAL_CONTINUOUS:
4168                 reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4169                 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4170                 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4171                 if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4172                         goto err;
4173                 break;
4174
4175         default:
4176                 break;
4177         }
4178
4179         switch (state->config->ts2_mode) {
4180         case STV090x_TSMODE_PARALLEL_PUNCTURED:
4181                 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4182                 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4183                 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4184                 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4185                         goto err;
4186                 break;
4187
4188         case STV090x_TSMODE_DVBCI:
4189                 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4190                 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x00);
4191                 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4192                 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4193                         goto err;
4194                 break;
4195
4196         case STV090x_TSMODE_SERIAL_PUNCTURED:
4197                 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4198                 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4199                 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x00);
4200                 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4201                         goto err;
4202                 break;
4203
4204         case STV090x_TSMODE_SERIAL_CONTINUOUS:
4205                 reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4206                 STV090x_SETFIELD_Px(reg, TSFIFO_SERIAL_FIELD, 0x01);
4207                 STV090x_SETFIELD_Px(reg, TSFIFO_DVBCI_FIELD, 0x01);
4208                 if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4209                         goto err;
4210                 break;
4211
4212         default:
4213                 break;
4214         }
4215
4216         if (state->config->ts1_clk > 0) {
4217                 u32 speed;
4218
4219                 switch (state->config->ts1_mode) {
4220                 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4221                 case STV090x_TSMODE_DVBCI:
4222                 default:
4223                         speed = state->internal->mclk /
4224                                 (state->config->ts1_clk / 4);
4225                         if (speed < 0x08)
4226                                 speed = 0x08;
4227                         if (speed > 0xFF)
4228                                 speed = 0xFF;
4229                         break;
4230                 case STV090x_TSMODE_SERIAL_PUNCTURED:
4231                 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4232                         speed = state->internal->mclk /
4233                                 (state->config->ts1_clk / 32);
4234                         if (speed < 0x20)
4235                                 speed = 0x20;
4236                         if (speed > 0xFF)
4237                                 speed = 0xFF;
4238                         break;
4239                 }
4240                 reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
4241                 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4242                 if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
4243                         goto err;
4244                 if (stv090x_write_reg(state, STV090x_P1_TSSPEED, speed) < 0)
4245                         goto err;
4246         }
4247
4248         if (state->config->ts2_clk > 0) {
4249                 u32 speed;
4250
4251                 switch (state->config->ts2_mode) {
4252                 case STV090x_TSMODE_PARALLEL_PUNCTURED:
4253                 case STV090x_TSMODE_DVBCI:
4254                 default:
4255                         speed = state->internal->mclk /
4256                                 (state->config->ts2_clk / 4);
4257                         if (speed < 0x08)
4258                                 speed = 0x08;
4259                         if (speed > 0xFF)
4260                                 speed = 0xFF;
4261                         break;
4262                 case STV090x_TSMODE_SERIAL_PUNCTURED:
4263                 case STV090x_TSMODE_SERIAL_CONTINUOUS:
4264                         speed = state->internal->mclk /
4265                                 (state->config->ts2_clk / 32);
4266                         if (speed < 0x20)
4267                                 speed = 0x20;
4268                         if (speed > 0xFF)
4269                                 speed = 0xFF;
4270                         break;
4271                 }
4272                 reg = stv090x_read_reg(state, STV090x_P2_TSCFGM);
4273                 STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
4274                 if (stv090x_write_reg(state, STV090x_P2_TSCFGM, reg) < 0)
4275                         goto err;
4276                 if (stv090x_write_reg(state, STV090x_P2_TSSPEED, speed) < 0)
4277                         goto err;
4278         }
4279
4280         reg = stv090x_read_reg(state, STV090x_P2_TSCFGH);
4281         STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
4282         if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4283                 goto err;
4284         STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
4285         if (stv090x_write_reg(state, STV090x_P2_TSCFGH, reg) < 0)
4286                 goto err;
4287
4288         reg = stv090x_read_reg(state, STV090x_P1_TSCFGH);
4289         STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x01);
4290         if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4291                 goto err;
4292         STV090x_SETFIELD_Px(reg, RST_HWARE_FIELD, 0x00);
4293         if (stv090x_write_reg(state, STV090x_P1_TSCFGH, reg) < 0)
4294                 goto err;
4295
4296         return 0;
4297 err:
4298         dprintk(FE_ERROR, 1, "I/O error");
4299         return -1;
4300 }
4301
4302 static int stv090x_init(struct dvb_frontend *fe)
4303 {
4304         struct stv090x_state *state = fe->demodulator_priv;
4305         const struct stv090x_config *config = state->config;
4306         u32 reg;
4307
4308         if (state->internal->mclk == 0) {
4309                 stv090x_set_mclk(state, 135000000, config->xtal); /* 135 Mhz */
4310                 msleep(5);
4311                 if (stv090x_write_reg(state, STV090x_SYNTCTRL,
4312                                       0x20 | config->clk_mode) < 0)
4313                         goto err;
4314                 stv090x_get_mclk(state);
4315         }
4316
4317         if (stv090x_wakeup(fe) < 0) {
4318                 dprintk(FE_ERROR, 1, "Error waking device");
4319                 goto err;
4320         }
4321
4322         if (stv090x_ldpc_mode(state, state->demod_mode) < 0)
4323                 goto err;
4324
4325         reg = STV090x_READ_DEMOD(state, TNRCFG2);
4326         STV090x_SETFIELD_Px(reg, TUN_IQSWAP_FIELD, state->inversion);
4327         if (STV090x_WRITE_DEMOD(state, TNRCFG2, reg) < 0)
4328                 goto err;
4329         reg = STV090x_READ_DEMOD(state, DEMOD);
4330         STV090x_SETFIELD_Px(reg, ROLLOFF_CONTROL_FIELD, state->rolloff);
4331         if (STV090x_WRITE_DEMOD(state, DEMOD, reg) < 0)
4332                 goto err;
4333
4334         if (stv090x_i2c_gate_ctrl(fe, 1) < 0)
4335                 goto err;
4336
4337         if (config->tuner_set_mode) {
4338                 if (config->tuner_set_mode(fe, TUNER_WAKE) < 0)
4339                         goto err_gateoff;
4340         }
4341
4342         if (config->tuner_init) {
4343                 if (config->tuner_init(fe) < 0)
4344                         goto err_gateoff;
4345         }
4346
4347         if (stv090x_i2c_gate_ctrl(fe, 0) < 0)
4348                 goto err;
4349
4350         if (stv090x_set_tspath(state) < 0)
4351                 goto err;
4352
4353         return 0;
4354
4355 err_gateoff:
4356         stv090x_i2c_gate_ctrl(fe, 0);
4357 err:
4358         dprintk(FE_ERROR, 1, "I/O error");
4359         return -1;
4360 }
4361
4362 static int stv090x_setup(struct dvb_frontend *fe)
4363 {
4364         struct stv090x_state *state = fe->demodulator_priv;
4365         const struct stv090x_config *config = state->config;
4366         const struct stv090x_reg *stv090x_initval = NULL;
4367         const struct stv090x_reg *stv090x_cut20_val = NULL;
4368         unsigned long t1_size = 0, t2_size = 0;
4369         u32 reg = 0;
4370
4371         int i;
4372
4373         if (state->device == STV0900) {
4374                 dprintk(FE_DEBUG, 1, "Initializing STV0900");
4375                 stv090x_initval = stv0900_initval;
4376                 t1_size = ARRAY_SIZE(stv0900_initval);
4377                 stv090x_cut20_val = stv0900_cut20_val;
4378                 t2_size = ARRAY_SIZE(stv0900_cut20_val);
4379         } else if (state->device == STV0903) {
4380                 dprintk(FE_DEBUG, 1, "Initializing STV0903");
4381                 stv090x_initval = stv0903_initval;
4382                 t1_size = ARRAY_SIZE(stv0903_initval);
4383                 stv090x_cut20_val = stv0903_cut20_val;
4384                 t2_size = ARRAY_SIZE(stv0903_cut20_val);
4385         }
4386
4387         /* STV090x init */
4388
4389         /* Stop Demod */
4390         if (stv090x_write_reg(state, STV090x_P1_DMDISTATE, 0x5c) < 0)
4391                 goto err;
4392         if (stv090x_write_reg(state, STV090x_P2_DMDISTATE, 0x5c) < 0)
4393                 goto err;
4394
4395         msleep(5);
4396
4397         /* Set No Tuner Mode */
4398         if (stv090x_write_reg(state, STV090x_P1_TNRCFG, 0x6c) < 0)
4399                 goto err;
4400         if (stv090x_write_reg(state, STV090x_P2_TNRCFG, 0x6c) < 0)
4401                 goto err;
4402
4403         /* I2C repeater OFF */
4404         STV090x_SETFIELD_Px(reg, ENARPT_LEVEL_FIELD, config->repeater_level);
4405         if (stv090x_write_reg(state, STV090x_P1_I2CRPT, reg) < 0)
4406                 goto err;
4407         if (stv090x_write_reg(state, STV090x_P2_I2CRPT, reg) < 0)
4408                 goto err;
4409
4410         if (stv090x_write_reg(state, STV090x_NCOARSE, 0x13) < 0) /* set PLL divider */
4411                 goto err;
4412         msleep(5);
4413         if (stv090x_write_reg(state, STV090x_I2CCFG, 0x08) < 0) /* 1/41 oversampling */
4414                 goto err;
4415         if (stv090x_write_reg(state, STV090x_SYNTCTRL, 0x20 | config->clk_mode) < 0) /* enable PLL */
4416                 goto err;
4417         msleep(5);
4418
4419         /* write initval */
4420         dprintk(FE_DEBUG, 1, "Setting up initial values");
4421         for (i = 0; i < t1_size; i++) {
4422                 if (stv090x_write_reg(state, stv090x_initval[i].addr, stv090x_initval[i].data) < 0)
4423                         goto err;
4424         }
4425
4426         state->internal->dev_ver = stv090x_read_reg(state, STV090x_MID);
4427         if (state->internal->dev_ver >= 0x20) {
4428                 if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x0c) < 0)
4429                         goto err;
4430
4431                 /* write cut20_val*/
4432                 dprintk(FE_DEBUG, 1, "Setting up Cut 2.0 initial values");
4433                 for (i = 0; i < t2_size; i++) {
4434                         if (stv090x_write_reg(state, stv090x_cut20_val[i].addr, stv090x_cut20_val[i].data) < 0)
4435                                 goto err;
4436                 }
4437
4438         } else if (state->internal->dev_ver < 0x20) {
4439                 dprintk(FE_ERROR, 1, "ERROR: Unsupported Cut: 0x%02x!",
4440                         state->internal->dev_ver);
4441
4442                 goto err;
4443         } else if (state->internal->dev_ver > 0x30) {
4444                 /* we shouldn't bail out from here */
4445                 dprintk(FE_ERROR, 1, "INFO: Cut: 0x%02x probably incomplete support!",
4446                         state->internal->dev_ver);
4447         }
4448
4449         if (stv090x_write_reg(state, STV090x_TSTRES0, 0x80) < 0)
4450                 goto err;
4451         if (stv090x_write_reg(state, STV090x_TSTRES0, 0x00) < 0)
4452                 goto err;
4453
4454         return 0;
4455 err:
4456         dprintk(FE_ERROR, 1, "I/O error");
4457         return -1;
4458 }
4459
4460 static struct dvb_frontend_ops stv090x_ops = {
4461
4462         .info = {
4463                 .name                   = "STV090x Multistandard",
4464                 .type                   = FE_QPSK,
4465                 .frequency_min          = 950000,
4466                 .frequency_max          = 2150000,
4467                 .frequency_stepsize     = 0,
4468                 .frequency_tolerance    = 0,
4469                 .symbol_rate_min        = 1000000,
4470                 .symbol_rate_max        = 45000000,
4471                 .caps                   = FE_CAN_INVERSION_AUTO |
4472                                           FE_CAN_FEC_AUTO       |
4473                                           FE_CAN_QPSK           |
4474                                           FE_CAN_2G_MODULATION
4475         },
4476
4477         .release                        = stv090x_release,
4478         .init                           = stv090x_init,
4479
4480         .sleep                          = stv090x_sleep,
4481         .get_frontend_algo              = stv090x_frontend_algo,
4482
4483         .i2c_gate_ctrl                  = stv090x_i2c_gate_ctrl,
4484
4485         .diseqc_send_master_cmd         = stv090x_send_diseqc_msg,
4486         .diseqc_send_burst              = stv090x_send_diseqc_burst,
4487         .diseqc_recv_slave_reply        = stv090x_recv_slave_reply,
4488         .set_tone                       = stv090x_set_tone,
4489
4490         .search                         = stv090x_search,
4491         .read_status                    = stv090x_read_status,
4492         .read_ber                       = stv090x_read_per,
4493         .read_signal_strength           = stv090x_read_signal_strength,
4494         .read_snr                       = stv090x_read_cnr
4495 };
4496
4497
4498 struct dvb_frontend *stv090x_attach(const struct stv090x_config *config,
4499                                     struct i2c_adapter *i2c,
4500                                     enum stv090x_demodulator demod)
4501 {
4502         struct stv090x_state *state = NULL;
4503         struct stv090x_dev *temp_int;
4504
4505         state = kzalloc(sizeof (struct stv090x_state), GFP_KERNEL);
4506         if (state == NULL)
4507                 goto error;
4508
4509         state->verbose                          = &verbose;
4510         state->config                           = config;
4511         state->i2c                              = i2c;
4512         state->frontend.ops                     = stv090x_ops;
4513         state->frontend.demodulator_priv        = state;
4514         state->demod                            = demod;
4515         state->demod_mode                       = config->demod_mode; /* Single or Dual mode */
4516         state->device                           = config->device;
4517         state->rolloff                          = STV090x_RO_35; /* default */
4518
4519         temp_int = find_dev(state->i2c,
4520                                 state->config->address);
4521
4522         if ((temp_int != NULL) && (state->demod_mode == STV090x_DUAL)) {
4523                 state->internal = temp_int->internal;
4524                 state->internal->num_used++;
4525                 dprintk(FE_INFO, 1, "Found Internal Structure!");
4526                 dprintk(FE_ERROR, 1, "Attaching %s demodulator(%d) Cut=0x%02x",
4527                         state->device == STV0900 ? "STV0900" : "STV0903",
4528                         demod,
4529                         state->internal->dev_ver);
4530                 return &state->frontend;
4531         } else {
4532                 state->internal = kmalloc(sizeof(struct stv090x_internal),
4533                                           GFP_KERNEL);
4534                 temp_int = append_internal(state->internal);
4535                 state->internal->num_used = 1;
4536                 state->internal->mclk = 0;
4537                 state->internal->dev_ver = 0;
4538                 state->internal->i2c_adap = state->i2c;
4539                 state->internal->i2c_addr = state->config->address;
4540                 dprintk(FE_INFO, 1, "Create New Internal Structure!");
4541         }
4542
4543         mutex_init(&state->internal->demod_lock);
4544         mutex_init(&state->internal->tuner_lock);
4545
4546         if (stv090x_sleep(&state->frontend) < 0) {
4547                 dprintk(FE_ERROR, 1, "Error putting device to sleep");
4548                 goto error;
4549         }
4550
4551         if (stv090x_setup(&state->frontend) < 0) {
4552                 dprintk(FE_ERROR, 1, "Error setting up device");
4553                 goto error;
4554         }
4555         if (stv090x_wakeup(&state->frontend) < 0) {
4556                 dprintk(FE_ERROR, 1, "Error waking device");
4557                 goto error;
4558         }
4559
4560         dprintk(FE_ERROR, 1, "Attaching %s demodulator(%d) Cut=0x%02x",
4561                state->device == STV0900 ? "STV0900" : "STV0903",
4562                demod,
4563                state->internal->dev_ver);
4564
4565         return &state->frontend;
4566
4567 error:
4568         kfree(state);
4569         return NULL;
4570 }
4571 EXPORT_SYMBOL(stv090x_attach);
4572 MODULE_PARM_DESC(verbose, "Set Verbosity level");
4573 MODULE_AUTHOR("Manu Abraham");
4574 MODULE_DESCRIPTION("STV090x Multi-Std Broadcast frontend");
4575 MODULE_LICENSE("GPL");