Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1 | /* |
| 2 | * stv0900_sw.c |
| 3 | * |
| 4 | * Driver for ST STV0900 satellite demodulator IC. |
| 5 | * |
| 6 | * Copyright (C) ST Microelectronics. |
| 7 | * Copyright (C) 2009 NetUP Inc. |
| 8 | * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * |
| 19 | * GNU General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License |
| 22 | * along with this program; if not, write to the Free Software |
| 23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 24 | */ |
| 25 | |
| 26 | #include "stv0900.h" |
| 27 | #include "stv0900_reg.h" |
| 28 | #include "stv0900_priv.h" |
| 29 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 30 | s32 shiftx(s32 x, int demod, s32 shift) |
| 31 | { |
| 32 | if (demod == 1) |
| 33 | return x - shift; |
| 34 | |
| 35 | return x; |
| 36 | } |
| 37 | |
| 38 | int stv0900_check_signal_presence(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 39 | enum fe_stv0900_demod_num demod) |
| 40 | { |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 41 | s32 carr_offset, |
| 42 | agc2_integr, |
| 43 | max_carrier; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 44 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 45 | int no_signal = FALSE; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 46 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 47 | carr_offset = (stv0900_read_reg(intp, CFR2) << 8) |
| 48 | | stv0900_read_reg(intp, CFR1); |
| 49 | carr_offset = ge2comp(carr_offset, 16); |
| 50 | agc2_integr = (stv0900_read_reg(intp, AGC2I1) << 8) |
| 51 | | stv0900_read_reg(intp, AGC2I0); |
| 52 | max_carrier = intp->srch_range[demod] / 1000; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 53 | |
| 54 | max_carrier += (max_carrier / 10); |
| 55 | max_carrier = 65536 * (max_carrier / 2); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 56 | max_carrier /= intp->mclk / 1000; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 57 | if (max_carrier > 0x4000) |
| 58 | max_carrier = 0x4000; |
| 59 | |
| 60 | if ((agc2_integr > 0x2000) |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 61 | || (carr_offset > (2 * max_carrier)) |
| 62 | || (carr_offset < (-2 * max_carrier))) |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 63 | no_signal = TRUE; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 64 | |
| 65 | return no_signal; |
| 66 | } |
| 67 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 68 | static void stv0900_get_sw_loop_params(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 69 | s32 *frequency_inc, s32 *sw_timeout, |
| 70 | s32 *steps, |
| 71 | enum fe_stv0900_demod_num demod) |
| 72 | { |
| 73 | s32 timeout, freq_inc, max_steps, srate, max_carrier; |
| 74 | |
| 75 | enum fe_stv0900_search_standard standard; |
| 76 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 77 | srate = intp->symbol_rate[demod]; |
| 78 | max_carrier = intp->srch_range[demod] / 1000; |
| 79 | max_carrier += max_carrier / 10; |
| 80 | standard = intp->srch_standard[demod]; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 81 | |
| 82 | max_carrier = 65536 * (max_carrier / 2); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 83 | max_carrier /= intp->mclk / 1000; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 84 | |
| 85 | if (max_carrier > 0x4000) |
| 86 | max_carrier = 0x4000; |
| 87 | |
| 88 | freq_inc = srate; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 89 | freq_inc /= intp->mclk >> 10; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 90 | freq_inc = freq_inc << 6; |
| 91 | |
| 92 | switch (standard) { |
| 93 | case STV0900_SEARCH_DVBS1: |
| 94 | case STV0900_SEARCH_DSS: |
| 95 | freq_inc *= 3; |
| 96 | timeout = 20; |
| 97 | break; |
| 98 | case STV0900_SEARCH_DVBS2: |
| 99 | freq_inc *= 4; |
| 100 | timeout = 25; |
| 101 | break; |
| 102 | case STV0900_AUTO_SEARCH: |
| 103 | default: |
| 104 | freq_inc *= 3; |
| 105 | timeout = 25; |
| 106 | break; |
| 107 | } |
| 108 | |
| 109 | freq_inc /= 100; |
| 110 | |
| 111 | if ((freq_inc > max_carrier) || (freq_inc < 0)) |
| 112 | freq_inc = max_carrier / 2; |
| 113 | |
| 114 | timeout *= 27500; |
| 115 | |
| 116 | if (srate > 0) |
| 117 | timeout /= srate / 1000; |
| 118 | |
| 119 | if ((timeout > 100) || (timeout < 0)) |
| 120 | timeout = 100; |
| 121 | |
| 122 | max_steps = (max_carrier / freq_inc) + 1; |
| 123 | |
| 124 | if ((max_steps > 100) || (max_steps < 0)) { |
| 125 | max_steps = 100; |
| 126 | freq_inc = max_carrier / max_steps; |
| 127 | } |
| 128 | |
| 129 | *frequency_inc = freq_inc; |
| 130 | *sw_timeout = timeout; |
| 131 | *steps = max_steps; |
| 132 | |
| 133 | } |
| 134 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 135 | static int stv0900_search_carr_sw_loop(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 136 | s32 FreqIncr, s32 Timeout, int zigzag, |
| 137 | s32 MaxStep, enum fe_stv0900_demod_num demod) |
| 138 | { |
| 139 | int no_signal, |
| 140 | lock = FALSE; |
| 141 | s32 stepCpt, |
| 142 | freqOffset, |
| 143 | max_carrier; |
| 144 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 145 | max_carrier = intp->srch_range[demod] / 1000; |
| 146 | max_carrier += (max_carrier / 10); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 147 | |
| 148 | max_carrier = 65536 * (max_carrier / 2); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 149 | max_carrier /= intp->mclk / 1000; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 150 | |
| 151 | if (max_carrier > 0x4000) |
| 152 | max_carrier = 0x4000; |
| 153 | |
| 154 | if (zigzag == TRUE) |
| 155 | freqOffset = 0; |
| 156 | else |
| 157 | freqOffset = -max_carrier + FreqIncr; |
| 158 | |
| 159 | stepCpt = 0; |
| 160 | |
| 161 | do { |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 162 | stv0900_write_reg(intp, DMDISTATE, 0x1c); |
| 163 | stv0900_write_reg(intp, CFRINIT1, (freqOffset / 256) & 0xff); |
| 164 | stv0900_write_reg(intp, CFRINIT0, freqOffset & 0xff); |
| 165 | stv0900_write_reg(intp, DMDISTATE, 0x18); |
| 166 | stv0900_write_bits(intp, ALGOSWRST, 1); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 167 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 168 | if (intp->chip_id == 0x12) { |
| 169 | stv0900_write_bits(intp, RST_HWARE, 1); |
| 170 | stv0900_write_bits(intp, RST_HWARE, 0); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | if (zigzag == TRUE) { |
| 174 | if (freqOffset >= 0) |
| 175 | freqOffset = -freqOffset - 2 * FreqIncr; |
| 176 | else |
| 177 | freqOffset = -freqOffset; |
| 178 | } else |
| 179 | freqOffset += + 2 * FreqIncr; |
| 180 | |
| 181 | stepCpt++; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 182 | lock = stv0900_get_demod_lock(intp, demod, Timeout); |
| 183 | no_signal = stv0900_check_signal_presence(intp, demod); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 184 | |
| 185 | } while ((lock == FALSE) |
| 186 | && (no_signal == FALSE) |
| 187 | && ((freqOffset - FreqIncr) < max_carrier) |
| 188 | && ((freqOffset + FreqIncr) > -max_carrier) |
| 189 | && (stepCpt < MaxStep)); |
| 190 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 191 | stv0900_write_bits(intp, ALGOSWRST, 0); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 192 | |
| 193 | return lock; |
| 194 | } |
| 195 | |
Márton Németh | 521e86e | 2010-01-16 13:35:36 -0300 | [diff] [blame] | 196 | static int stv0900_sw_algo(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 197 | enum fe_stv0900_demod_num demod) |
| 198 | { |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 199 | int lock = FALSE, |
| 200 | no_signal, |
| 201 | zigzag; |
| 202 | s32 s2fw, |
| 203 | fqc_inc, |
| 204 | sft_stp_tout, |
| 205 | trial_cntr, |
| 206 | max_steps; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 207 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 208 | stv0900_get_sw_loop_params(intp, &fqc_inc, &sft_stp_tout, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 209 | &max_steps, demod); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 210 | switch (intp->srch_standard[demod]) { |
| 211 | case STV0900_SEARCH_DVBS1: |
| 212 | case STV0900_SEARCH_DSS: |
| 213 | if (intp->chip_id >= 0x20) |
| 214 | stv0900_write_reg(intp, CARFREQ, 0x3b); |
| 215 | else |
| 216 | stv0900_write_reg(intp, CARFREQ, 0xef); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 217 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 218 | stv0900_write_reg(intp, DMDCFGMD, 0x49); |
| 219 | zigzag = FALSE; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 220 | break; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 221 | case STV0900_SEARCH_DVBS2: |
| 222 | if (intp->chip_id >= 0x20) |
| 223 | stv0900_write_reg(intp, CORRELABS, 0x79); |
| 224 | else |
| 225 | stv0900_write_reg(intp, CORRELABS, 0x68); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 226 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 227 | stv0900_write_reg(intp, DMDCFGMD, 0x89); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 228 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 229 | zigzag = TRUE; |
| 230 | break; |
| 231 | case STV0900_AUTO_SEARCH: |
| 232 | default: |
| 233 | if (intp->chip_id >= 0x20) { |
| 234 | stv0900_write_reg(intp, CARFREQ, 0x3b); |
| 235 | stv0900_write_reg(intp, CORRELABS, 0x79); |
| 236 | } else { |
| 237 | stv0900_write_reg(intp, CARFREQ, 0xef); |
| 238 | stv0900_write_reg(intp, CORRELABS, 0x68); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 239 | } |
| 240 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 241 | stv0900_write_reg(intp, DMDCFGMD, 0xc9); |
| 242 | zigzag = FALSE; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 243 | break; |
| 244 | } |
| 245 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 246 | trial_cntr = 0; |
| 247 | do { |
| 248 | lock = stv0900_search_carr_sw_loop(intp, |
| 249 | fqc_inc, |
| 250 | sft_stp_tout, |
| 251 | zigzag, |
| 252 | max_steps, |
| 253 | demod); |
| 254 | no_signal = stv0900_check_signal_presence(intp, demod); |
| 255 | trial_cntr++; |
| 256 | if ((lock == TRUE) |
| 257 | || (no_signal == TRUE) |
| 258 | || (trial_cntr == 2)) { |
| 259 | |
| 260 | if (intp->chip_id >= 0x20) { |
| 261 | stv0900_write_reg(intp, CARFREQ, 0x49); |
| 262 | stv0900_write_reg(intp, CORRELABS, 0x9e); |
| 263 | } else { |
| 264 | stv0900_write_reg(intp, CARFREQ, 0xed); |
| 265 | stv0900_write_reg(intp, CORRELABS, 0x88); |
| 266 | } |
| 267 | |
| 268 | if ((stv0900_get_bits(intp, HEADER_MODE) == |
| 269 | STV0900_DVBS2_FOUND) && |
| 270 | (lock == TRUE)) { |
| 271 | msleep(sft_stp_tout); |
| 272 | s2fw = stv0900_get_bits(intp, FLYWHEEL_CPT); |
| 273 | |
| 274 | if (s2fw < 0xd) { |
| 275 | msleep(sft_stp_tout); |
| 276 | s2fw = stv0900_get_bits(intp, |
| 277 | FLYWHEEL_CPT); |
| 278 | } |
| 279 | |
| 280 | if (s2fw < 0xd) { |
| 281 | lock = FALSE; |
| 282 | |
| 283 | if (trial_cntr < 2) { |
| 284 | if (intp->chip_id >= 0x20) |
| 285 | stv0900_write_reg(intp, |
| 286 | CORRELABS, |
| 287 | 0x79); |
| 288 | else |
| 289 | stv0900_write_reg(intp, |
| 290 | CORRELABS, |
| 291 | 0x68); |
| 292 | |
| 293 | stv0900_write_reg(intp, |
| 294 | DMDCFGMD, |
| 295 | 0x89); |
| 296 | } |
| 297 | } |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | } while ((lock == FALSE) |
| 302 | && (trial_cntr < 2) |
| 303 | && (no_signal == FALSE)); |
| 304 | |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 305 | return lock; |
| 306 | } |
| 307 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 308 | static u32 stv0900_get_symbol_rate(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 309 | u32 mclk, |
| 310 | enum fe_stv0900_demod_num demod) |
| 311 | { |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 312 | s32 rem1, rem2, intval1, intval2, srate; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 313 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 314 | srate = (stv0900_get_bits(intp, SYMB_FREQ3) << 24) + |
| 315 | (stv0900_get_bits(intp, SYMB_FREQ2) << 16) + |
| 316 | (stv0900_get_bits(intp, SYMB_FREQ1) << 8) + |
| 317 | (stv0900_get_bits(intp, SYMB_FREQ0)); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 318 | dprintk("lock: srate=%d r0=0x%x r1=0x%x r2=0x%x r3=0x%x \n", |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 319 | srate, stv0900_get_bits(intp, SYMB_FREQ0), |
| 320 | stv0900_get_bits(intp, SYMB_FREQ1), |
| 321 | stv0900_get_bits(intp, SYMB_FREQ2), |
| 322 | stv0900_get_bits(intp, SYMB_FREQ3)); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 323 | |
| 324 | intval1 = (mclk) >> 16; |
| 325 | intval2 = (srate) >> 16; |
| 326 | |
| 327 | rem1 = (mclk) % 0x10000; |
| 328 | rem2 = (srate) % 0x10000; |
| 329 | srate = (intval1 * intval2) + |
| 330 | ((intval1 * rem2) >> 16) + |
| 331 | ((intval2 * rem1) >> 16); |
| 332 | |
| 333 | return srate; |
| 334 | } |
| 335 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 336 | static void stv0900_set_symbol_rate(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 337 | u32 mclk, u32 srate, |
| 338 | enum fe_stv0900_demod_num demod) |
| 339 | { |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 340 | u32 symb; |
| 341 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 342 | dprintk("%s: Mclk %d, SR %d, Dmd %d\n", __func__, mclk, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 343 | srate, demod); |
| 344 | |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 345 | if (srate > 60000000) { |
| 346 | symb = srate << 4; |
| 347 | symb /= (mclk >> 12); |
| 348 | } else if (srate > 6000000) { |
| 349 | symb = srate << 6; |
| 350 | symb /= (mclk >> 10); |
| 351 | } else { |
| 352 | symb = srate << 9; |
| 353 | symb /= (mclk >> 7); |
| 354 | } |
| 355 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 356 | stv0900_write_reg(intp, SFRINIT1, (symb >> 8) & 0x7f); |
| 357 | stv0900_write_reg(intp, SFRINIT1 + 1, (symb & 0xff)); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 358 | } |
| 359 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 360 | static void stv0900_set_max_symbol_rate(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 361 | u32 mclk, u32 srate, |
| 362 | enum fe_stv0900_demod_num demod) |
| 363 | { |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 364 | u32 symb; |
| 365 | |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 366 | srate = 105 * (srate / 100); |
| 367 | |
| 368 | if (srate > 60000000) { |
| 369 | symb = srate << 4; |
| 370 | symb /= (mclk >> 12); |
| 371 | } else if (srate > 6000000) { |
| 372 | symb = srate << 6; |
| 373 | symb /= (mclk >> 10); |
| 374 | } else { |
| 375 | symb = srate << 9; |
| 376 | symb /= (mclk >> 7); |
| 377 | } |
| 378 | |
| 379 | if (symb < 0x7fff) { |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 380 | stv0900_write_reg(intp, SFRUP1, (symb >> 8) & 0x7f); |
| 381 | stv0900_write_reg(intp, SFRUP1 + 1, (symb & 0xff)); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 382 | } else { |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 383 | stv0900_write_reg(intp, SFRUP1, 0x7f); |
| 384 | stv0900_write_reg(intp, SFRUP1 + 1, 0xff); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 385 | } |
| 386 | } |
| 387 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 388 | static void stv0900_set_min_symbol_rate(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 389 | u32 mclk, u32 srate, |
| 390 | enum fe_stv0900_demod_num demod) |
| 391 | { |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 392 | u32 symb; |
| 393 | |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 394 | srate = 95 * (srate / 100); |
| 395 | if (srate > 60000000) { |
| 396 | symb = srate << 4; |
| 397 | symb /= (mclk >> 12); |
| 398 | |
| 399 | } else if (srate > 6000000) { |
| 400 | symb = srate << 6; |
| 401 | symb /= (mclk >> 10); |
| 402 | |
| 403 | } else { |
| 404 | symb = srate << 9; |
| 405 | symb /= (mclk >> 7); |
| 406 | } |
| 407 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 408 | stv0900_write_reg(intp, SFRLOW1, (symb >> 8) & 0xff); |
| 409 | stv0900_write_reg(intp, SFRLOW1 + 1, (symb & 0xff)); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 410 | } |
| 411 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 412 | static s32 stv0900_get_timing_offst(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 413 | u32 srate, |
| 414 | enum fe_stv0900_demod_num demod) |
| 415 | { |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 416 | s32 timingoffset; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 417 | |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 418 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 419 | timingoffset = (stv0900_read_reg(intp, TMGREG2) << 16) + |
| 420 | (stv0900_read_reg(intp, TMGREG2 + 1) << 8) + |
| 421 | (stv0900_read_reg(intp, TMGREG2 + 2)); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 422 | |
| 423 | timingoffset = ge2comp(timingoffset, 24); |
| 424 | |
| 425 | |
| 426 | if (timingoffset == 0) |
| 427 | timingoffset = 1; |
| 428 | |
| 429 | timingoffset = ((s32)srate * 10) / ((s32)0x1000000 / timingoffset); |
| 430 | timingoffset /= 320; |
| 431 | |
| 432 | return timingoffset; |
| 433 | } |
| 434 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 435 | static void stv0900_set_dvbs2_rolloff(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 436 | enum fe_stv0900_demod_num demod) |
| 437 | { |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 438 | s32 rolloff; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 439 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 440 | if (intp->chip_id == 0x10) { |
| 441 | stv0900_write_bits(intp, MANUALSX_ROLLOFF, 1); |
| 442 | rolloff = stv0900_read_reg(intp, MATSTR1) & 0x03; |
| 443 | stv0900_write_bits(intp, ROLLOFF_CONTROL, rolloff); |
| 444 | } else if (intp->chip_id <= 0x20) |
| 445 | stv0900_write_bits(intp, MANUALSX_ROLLOFF, 0); |
| 446 | else /* cut 3.0 */ |
| 447 | stv0900_write_bits(intp, MANUALS2_ROLLOFF, 0); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 448 | } |
| 449 | |
| 450 | static u32 stv0900_carrier_width(u32 srate, enum fe_stv0900_rolloff ro) |
| 451 | { |
| 452 | u32 rolloff; |
| 453 | |
| 454 | switch (ro) { |
| 455 | case STV0900_20: |
| 456 | rolloff = 20; |
| 457 | break; |
| 458 | case STV0900_25: |
| 459 | rolloff = 25; |
| 460 | break; |
| 461 | case STV0900_35: |
| 462 | default: |
| 463 | rolloff = 35; |
| 464 | break; |
| 465 | } |
| 466 | |
| 467 | return srate + (srate * rolloff) / 100; |
| 468 | } |
| 469 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 470 | static int stv0900_check_timing_lock(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 471 | enum fe_stv0900_demod_num demod) |
| 472 | { |
| 473 | int timingLock = FALSE; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 474 | s32 i, |
| 475 | timingcpt = 0; |
| 476 | u8 car_freq, |
| 477 | tmg_th_high, |
| 478 | tmg_th_low; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 479 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 480 | car_freq = stv0900_read_reg(intp, CARFREQ); |
| 481 | tmg_th_high = stv0900_read_reg(intp, TMGTHRISE); |
| 482 | tmg_th_low = stv0900_read_reg(intp, TMGTHFALL); |
| 483 | stv0900_write_reg(intp, TMGTHRISE, 0x20); |
| 484 | stv0900_write_reg(intp, TMGTHFALL, 0x0); |
| 485 | stv0900_write_bits(intp, CFR_AUTOSCAN, 0); |
| 486 | stv0900_write_reg(intp, RTC, 0x80); |
| 487 | stv0900_write_reg(intp, RTCS2, 0x40); |
| 488 | stv0900_write_reg(intp, CARFREQ, 0x0); |
| 489 | stv0900_write_reg(intp, CFRINIT1, 0x0); |
| 490 | stv0900_write_reg(intp, CFRINIT0, 0x0); |
| 491 | stv0900_write_reg(intp, AGC2REF, 0x65); |
| 492 | stv0900_write_reg(intp, DMDISTATE, 0x18); |
| 493 | msleep(7); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 494 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 495 | for (i = 0; i < 10; i++) { |
| 496 | if (stv0900_get_bits(intp, TMGLOCK_QUALITY) >= 2) |
| 497 | timingcpt++; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 498 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 499 | msleep(1); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 500 | } |
| 501 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 502 | if (timingcpt >= 3) |
| 503 | timingLock = TRUE; |
| 504 | |
| 505 | stv0900_write_reg(intp, AGC2REF, 0x38); |
| 506 | stv0900_write_reg(intp, RTC, 0x88); |
| 507 | stv0900_write_reg(intp, RTCS2, 0x68); |
| 508 | stv0900_write_reg(intp, CARFREQ, car_freq); |
| 509 | stv0900_write_reg(intp, TMGTHRISE, tmg_th_high); |
| 510 | stv0900_write_reg(intp, TMGTHFALL, tmg_th_low); |
| 511 | |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 512 | return timingLock; |
| 513 | } |
| 514 | |
| 515 | static int stv0900_get_demod_cold_lock(struct dvb_frontend *fe, |
| 516 | s32 demod_timeout) |
| 517 | { |
| 518 | struct stv0900_state *state = fe->demodulator_priv; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 519 | struct stv0900_internal *intp = state->internal; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 520 | enum fe_stv0900_demod_num demod = state->demod; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 521 | int lock = FALSE, |
| 522 | d = demod; |
| 523 | s32 srate, |
| 524 | search_range, |
| 525 | locktimeout, |
| 526 | currier_step, |
| 527 | nb_steps, |
| 528 | current_step, |
| 529 | direction, |
| 530 | tuner_freq, |
| 531 | timeout, |
| 532 | freq; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 533 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 534 | srate = intp->symbol_rate[d]; |
| 535 | search_range = intp->srch_range[d]; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 536 | |
| 537 | if (srate >= 10000000) |
| 538 | locktimeout = demod_timeout / 3; |
| 539 | else |
| 540 | locktimeout = demod_timeout / 2; |
| 541 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 542 | lock = stv0900_get_demod_lock(intp, d, locktimeout); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 543 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 544 | if (lock != FALSE) |
| 545 | return lock; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 546 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 547 | if (srate >= 10000000) { |
| 548 | if (stv0900_check_timing_lock(intp, d) == TRUE) { |
| 549 | stv0900_write_reg(intp, DMDISTATE, 0x1f); |
| 550 | stv0900_write_reg(intp, DMDISTATE, 0x15); |
| 551 | lock = stv0900_get_demod_lock(intp, d, demod_timeout); |
| 552 | } else |
| 553 | lock = FALSE; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 554 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 555 | return lock; |
| 556 | } |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 557 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 558 | if (intp->chip_id <= 0x20) { |
| 559 | if (srate <= 1000000) |
| 560 | currier_step = 500; |
| 561 | else if (srate <= 4000000) |
| 562 | currier_step = 1000; |
| 563 | else if (srate <= 7000000) |
| 564 | currier_step = 2000; |
| 565 | else if (srate <= 10000000) |
| 566 | currier_step = 3000; |
| 567 | else |
| 568 | currier_step = 5000; |
| 569 | |
| 570 | if (srate >= 2000000) { |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 571 | timeout = (demod_timeout / 3); |
| 572 | if (timeout > 1000) |
| 573 | timeout = 1000; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 574 | } else |
| 575 | timeout = (demod_timeout / 2); |
| 576 | } else { |
| 577 | /*cut 3.0 */ |
| 578 | currier_step = srate / 4000; |
| 579 | timeout = (demod_timeout * 3) / 4; |
| 580 | } |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 581 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 582 | nb_steps = ((search_range / 1000) / currier_step); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 583 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 584 | if ((nb_steps % 2) != 0) |
| 585 | nb_steps += 1; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 586 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 587 | if (nb_steps <= 0) |
| 588 | nb_steps = 2; |
| 589 | else if (nb_steps > 12) |
| 590 | nb_steps = 12; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 591 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 592 | current_step = 1; |
| 593 | direction = 1; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 594 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 595 | if (intp->chip_id <= 0x20) { |
| 596 | tuner_freq = intp->freq[d]; |
| 597 | intp->bw[d] = stv0900_carrier_width(intp->symbol_rate[d], |
| 598 | intp->rolloff) + intp->symbol_rate[d]; |
| 599 | } else |
| 600 | tuner_freq = 0; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 601 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 602 | while ((current_step <= nb_steps) && (lock == FALSE)) { |
| 603 | if (direction > 0) |
| 604 | tuner_freq += (current_step * currier_step); |
| 605 | else |
| 606 | tuner_freq -= (current_step * currier_step); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 607 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 608 | if (intp->chip_id <= 0x20) { |
Igor M. Liplianin | cd79d33 | 2009-12-14 20:24:56 -0300 | [diff] [blame] | 609 | if (intp->tuner_type[d] == 3) |
| 610 | stv0900_set_tuner_auto(intp, tuner_freq, |
| 611 | intp->bw[d], demod); |
| 612 | else |
| 613 | stv0900_set_tuner(fe, tuner_freq, intp->bw[d]); |
| 614 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 615 | stv0900_write_reg(intp, DMDISTATE, 0x1c); |
| 616 | stv0900_write_reg(intp, CFRINIT1, 0); |
| 617 | stv0900_write_reg(intp, CFRINIT0, 0); |
| 618 | stv0900_write_reg(intp, DMDISTATE, 0x1f); |
| 619 | stv0900_write_reg(intp, DMDISTATE, 0x15); |
| 620 | } else { |
| 621 | stv0900_write_reg(intp, DMDISTATE, 0x1c); |
| 622 | freq = (tuner_freq * 65536) / (intp->mclk / 1000); |
| 623 | stv0900_write_bits(intp, CFR_INIT1, MSB(freq)); |
| 624 | stv0900_write_bits(intp, CFR_INIT0, LSB(freq)); |
| 625 | stv0900_write_reg(intp, DMDISTATE, 0x1f); |
| 626 | stv0900_write_reg(intp, DMDISTATE, 0x05); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 627 | } |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 628 | |
| 629 | lock = stv0900_get_demod_lock(intp, d, timeout); |
| 630 | direction *= -1; |
| 631 | current_step++; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 632 | } |
| 633 | |
| 634 | return lock; |
| 635 | } |
| 636 | |
| 637 | static void stv0900_get_lock_timeout(s32 *demod_timeout, s32 *fec_timeout, |
| 638 | s32 srate, |
| 639 | enum fe_stv0900_search_algo algo) |
| 640 | { |
| 641 | switch (algo) { |
| 642 | case STV0900_BLIND_SEARCH: |
| 643 | if (srate <= 1500000) { |
| 644 | (*demod_timeout) = 1500; |
| 645 | (*fec_timeout) = 400; |
| 646 | } else if (srate <= 5000000) { |
| 647 | (*demod_timeout) = 1000; |
| 648 | (*fec_timeout) = 300; |
| 649 | } else { |
| 650 | (*demod_timeout) = 700; |
| 651 | (*fec_timeout) = 100; |
| 652 | } |
| 653 | |
| 654 | break; |
| 655 | case STV0900_COLD_START: |
| 656 | case STV0900_WARM_START: |
| 657 | default: |
| 658 | if (srate <= 1000000) { |
| 659 | (*demod_timeout) = 3000; |
| 660 | (*fec_timeout) = 1700; |
| 661 | } else if (srate <= 2000000) { |
| 662 | (*demod_timeout) = 2500; |
| 663 | (*fec_timeout) = 1100; |
| 664 | } else if (srate <= 5000000) { |
| 665 | (*demod_timeout) = 1000; |
| 666 | (*fec_timeout) = 550; |
| 667 | } else if (srate <= 10000000) { |
| 668 | (*demod_timeout) = 700; |
| 669 | (*fec_timeout) = 250; |
| 670 | } else if (srate <= 20000000) { |
| 671 | (*demod_timeout) = 400; |
| 672 | (*fec_timeout) = 130; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 673 | } else { |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 674 | (*demod_timeout) = 300; |
| 675 | (*fec_timeout) = 100; |
| 676 | } |
| 677 | |
| 678 | break; |
| 679 | |
| 680 | } |
| 681 | |
| 682 | if (algo == STV0900_WARM_START) |
| 683 | (*demod_timeout) /= 2; |
| 684 | } |
| 685 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 686 | static void stv0900_set_viterbi_tracq(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 687 | enum fe_stv0900_demod_num demod) |
| 688 | { |
| 689 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 690 | s32 vth_reg = VTH12; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 691 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 692 | dprintk("%s\n", __func__); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 693 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 694 | stv0900_write_reg(intp, vth_reg++, 0xd0); |
| 695 | stv0900_write_reg(intp, vth_reg++, 0x7d); |
| 696 | stv0900_write_reg(intp, vth_reg++, 0x53); |
| 697 | stv0900_write_reg(intp, vth_reg++, 0x2f); |
| 698 | stv0900_write_reg(intp, vth_reg++, 0x24); |
| 699 | stv0900_write_reg(intp, vth_reg++, 0x1f); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 700 | } |
| 701 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 702 | static void stv0900_set_viterbi_standard(struct stv0900_internal *intp, |
| 703 | enum fe_stv0900_search_standard standard, |
| 704 | enum fe_stv0900_fec fec, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 705 | enum fe_stv0900_demod_num demod) |
| 706 | { |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 707 | dprintk("%s: ViterbiStandard = ", __func__); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 708 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 709 | switch (standard) { |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 710 | case STV0900_AUTO_SEARCH: |
| 711 | dprintk("Auto\n"); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 712 | stv0900_write_reg(intp, FECM, 0x10); |
| 713 | stv0900_write_reg(intp, PRVIT, 0x3f); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 714 | break; |
| 715 | case STV0900_SEARCH_DVBS1: |
| 716 | dprintk("DVBS1\n"); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 717 | stv0900_write_reg(intp, FECM, 0x00); |
| 718 | switch (fec) { |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 719 | case STV0900_FEC_UNKNOWN: |
| 720 | default: |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 721 | stv0900_write_reg(intp, PRVIT, 0x2f); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 722 | break; |
| 723 | case STV0900_FEC_1_2: |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 724 | stv0900_write_reg(intp, PRVIT, 0x01); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 725 | break; |
| 726 | case STV0900_FEC_2_3: |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 727 | stv0900_write_reg(intp, PRVIT, 0x02); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 728 | break; |
| 729 | case STV0900_FEC_3_4: |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 730 | stv0900_write_reg(intp, PRVIT, 0x04); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 731 | break; |
| 732 | case STV0900_FEC_5_6: |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 733 | stv0900_write_reg(intp, PRVIT, 0x08); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 734 | break; |
| 735 | case STV0900_FEC_7_8: |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 736 | stv0900_write_reg(intp, PRVIT, 0x20); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 737 | break; |
| 738 | } |
| 739 | |
| 740 | break; |
| 741 | case STV0900_SEARCH_DSS: |
| 742 | dprintk("DSS\n"); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 743 | stv0900_write_reg(intp, FECM, 0x80); |
| 744 | switch (fec) { |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 745 | case STV0900_FEC_UNKNOWN: |
| 746 | default: |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 747 | stv0900_write_reg(intp, PRVIT, 0x13); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 748 | break; |
| 749 | case STV0900_FEC_1_2: |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 750 | stv0900_write_reg(intp, PRVIT, 0x01); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 751 | break; |
| 752 | case STV0900_FEC_2_3: |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 753 | stv0900_write_reg(intp, PRVIT, 0x02); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 754 | break; |
| 755 | case STV0900_FEC_6_7: |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 756 | stv0900_write_reg(intp, PRVIT, 0x10); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 757 | break; |
| 758 | } |
| 759 | break; |
| 760 | default: |
| 761 | break; |
| 762 | } |
| 763 | } |
| 764 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 765 | static enum fe_stv0900_fec stv0900_get_vit_fec(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 766 | enum fe_stv0900_demod_num demod) |
| 767 | { |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 768 | enum fe_stv0900_fec prate; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 769 | s32 rate_fld = stv0900_get_bits(intp, VIT_CURPUN); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 770 | |
| 771 | switch (rate_fld) { |
| 772 | case 13: |
| 773 | prate = STV0900_FEC_1_2; |
| 774 | break; |
| 775 | case 18: |
| 776 | prate = STV0900_FEC_2_3; |
| 777 | break; |
| 778 | case 21: |
| 779 | prate = STV0900_FEC_3_4; |
| 780 | break; |
| 781 | case 24: |
| 782 | prate = STV0900_FEC_5_6; |
| 783 | break; |
| 784 | case 25: |
| 785 | prate = STV0900_FEC_6_7; |
| 786 | break; |
| 787 | case 26: |
| 788 | prate = STV0900_FEC_7_8; |
| 789 | break; |
| 790 | default: |
| 791 | prate = STV0900_FEC_UNKNOWN; |
| 792 | break; |
| 793 | } |
| 794 | |
| 795 | return prate; |
| 796 | } |
| 797 | |
Márton Németh | 521e86e | 2010-01-16 13:35:36 -0300 | [diff] [blame] | 798 | static void stv0900_set_dvbs1_track_car_loop(struct stv0900_internal *intp, |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 799 | enum fe_stv0900_demod_num demod, |
| 800 | u32 srate) |
| 801 | { |
| 802 | if (intp->chip_id >= 0x30) { |
| 803 | if (srate >= 15000000) { |
| 804 | stv0900_write_reg(intp, ACLC, 0x2b); |
| 805 | stv0900_write_reg(intp, BCLC, 0x1a); |
| 806 | } else if ((srate >= 7000000) && (15000000 > srate)) { |
| 807 | stv0900_write_reg(intp, ACLC, 0x0c); |
| 808 | stv0900_write_reg(intp, BCLC, 0x1b); |
| 809 | } else if (srate < 7000000) { |
| 810 | stv0900_write_reg(intp, ACLC, 0x2c); |
| 811 | stv0900_write_reg(intp, BCLC, 0x1c); |
| 812 | } |
| 813 | |
| 814 | } else { /*cut 2.0 and 1.x*/ |
| 815 | stv0900_write_reg(intp, ACLC, 0x1a); |
| 816 | stv0900_write_reg(intp, BCLC, 0x09); |
| 817 | } |
| 818 | |
| 819 | } |
| 820 | |
| 821 | static void stv0900_track_optimization(struct dvb_frontend *fe) |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 822 | { |
| 823 | struct stv0900_state *state = fe->demodulator_priv; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 824 | struct stv0900_internal *intp = state->internal; |
| 825 | enum fe_stv0900_demod_num demod = state->demod; |
| 826 | |
| 827 | s32 srate, |
| 828 | pilots, |
| 829 | aclc, |
| 830 | freq1, |
| 831 | freq0, |
| 832 | i = 0, |
| 833 | timed, |
| 834 | timef, |
| 835 | blind_tun_sw = 0, |
| 836 | modulation; |
| 837 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 838 | enum fe_stv0900_modcode foundModcod; |
| 839 | |
| 840 | dprintk("%s\n", __func__); |
| 841 | |
| 842 | srate = stv0900_get_symbol_rate(intp, intp->mclk, demod); |
| 843 | srate += stv0900_get_timing_offst(intp, srate, demod); |
| 844 | |
| 845 | switch (intp->result[demod].standard) { |
| 846 | case STV0900_DVBS1_STANDARD: |
| 847 | case STV0900_DSS_STANDARD: |
| 848 | dprintk("%s: found DVB-S or DSS\n", __func__); |
| 849 | if (intp->srch_standard[demod] == STV0900_AUTO_SEARCH) { |
| 850 | stv0900_write_bits(intp, DVBS1_ENABLE, 1); |
| 851 | stv0900_write_bits(intp, DVBS2_ENABLE, 0); |
| 852 | } |
| 853 | |
| 854 | stv0900_write_bits(intp, ROLLOFF_CONTROL, intp->rolloff); |
| 855 | stv0900_write_bits(intp, MANUALSX_ROLLOFF, 1); |
| 856 | |
| 857 | if (intp->chip_id < 0x30) { |
| 858 | stv0900_write_reg(intp, ERRCTRL1, 0x75); |
| 859 | break; |
| 860 | } |
| 861 | |
| 862 | if (stv0900_get_vit_fec(intp, demod) == STV0900_FEC_1_2) { |
| 863 | stv0900_write_reg(intp, GAUSSR0, 0x98); |
| 864 | stv0900_write_reg(intp, CCIR0, 0x18); |
| 865 | } else { |
| 866 | stv0900_write_reg(intp, GAUSSR0, 0x18); |
| 867 | stv0900_write_reg(intp, CCIR0, 0x18); |
| 868 | } |
| 869 | |
| 870 | stv0900_write_reg(intp, ERRCTRL1, 0x75); |
| 871 | break; |
| 872 | case STV0900_DVBS2_STANDARD: |
| 873 | dprintk("%s: found DVB-S2\n", __func__); |
| 874 | stv0900_write_bits(intp, DVBS1_ENABLE, 0); |
| 875 | stv0900_write_bits(intp, DVBS2_ENABLE, 1); |
| 876 | stv0900_write_reg(intp, ACLC, 0); |
| 877 | stv0900_write_reg(intp, BCLC, 0); |
| 878 | if (intp->result[demod].frame_len == STV0900_LONG_FRAME) { |
| 879 | foundModcod = stv0900_get_bits(intp, DEMOD_MODCOD); |
| 880 | pilots = stv0900_get_bits(intp, DEMOD_TYPE) & 0x01; |
| 881 | aclc = stv0900_get_optim_carr_loop(srate, |
| 882 | foundModcod, |
| 883 | pilots, |
| 884 | intp->chip_id); |
| 885 | if (foundModcod <= STV0900_QPSK_910) |
| 886 | stv0900_write_reg(intp, ACLC2S2Q, aclc); |
| 887 | else if (foundModcod <= STV0900_8PSK_910) { |
| 888 | stv0900_write_reg(intp, ACLC2S2Q, 0x2a); |
| 889 | stv0900_write_reg(intp, ACLC2S28, aclc); |
| 890 | } |
| 891 | |
| 892 | if ((intp->demod_mode == STV0900_SINGLE) && |
| 893 | (foundModcod > STV0900_8PSK_910)) { |
| 894 | if (foundModcod <= STV0900_16APSK_910) { |
| 895 | stv0900_write_reg(intp, ACLC2S2Q, 0x2a); |
| 896 | stv0900_write_reg(intp, ACLC2S216A, |
| 897 | aclc); |
| 898 | } else if (foundModcod <= STV0900_32APSK_910) { |
| 899 | stv0900_write_reg(intp, ACLC2S2Q, 0x2a); |
| 900 | stv0900_write_reg(intp, ACLC2S232A, |
| 901 | aclc); |
| 902 | } |
| 903 | } |
| 904 | |
| 905 | } else { |
| 906 | modulation = intp->result[demod].modulation; |
| 907 | aclc = stv0900_get_optim_short_carr_loop(srate, |
| 908 | modulation, intp->chip_id); |
| 909 | if (modulation == STV0900_QPSK) |
| 910 | stv0900_write_reg(intp, ACLC2S2Q, aclc); |
| 911 | else if (modulation == STV0900_8PSK) { |
| 912 | stv0900_write_reg(intp, ACLC2S2Q, 0x2a); |
| 913 | stv0900_write_reg(intp, ACLC2S28, aclc); |
| 914 | } else if (modulation == STV0900_16APSK) { |
| 915 | stv0900_write_reg(intp, ACLC2S2Q, 0x2a); |
| 916 | stv0900_write_reg(intp, ACLC2S216A, aclc); |
| 917 | } else if (modulation == STV0900_32APSK) { |
| 918 | stv0900_write_reg(intp, ACLC2S2Q, 0x2a); |
| 919 | stv0900_write_reg(intp, ACLC2S232A, aclc); |
| 920 | } |
| 921 | |
| 922 | } |
| 923 | |
| 924 | if (intp->chip_id <= 0x11) { |
| 925 | if (intp->demod_mode != STV0900_SINGLE) |
| 926 | stv0900_activate_s2_modcod(intp, demod); |
| 927 | |
| 928 | } |
| 929 | |
| 930 | stv0900_write_reg(intp, ERRCTRL1, 0x67); |
| 931 | break; |
| 932 | case STV0900_UNKNOWN_STANDARD: |
| 933 | default: |
| 934 | dprintk("%s: found unknown standard\n", __func__); |
| 935 | stv0900_write_bits(intp, DVBS1_ENABLE, 1); |
| 936 | stv0900_write_bits(intp, DVBS2_ENABLE, 1); |
| 937 | break; |
| 938 | } |
| 939 | |
| 940 | freq1 = stv0900_read_reg(intp, CFR2); |
| 941 | freq0 = stv0900_read_reg(intp, CFR1); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 942 | if (intp->srch_algo[demod] == STV0900_BLIND_SEARCH) { |
| 943 | stv0900_write_reg(intp, SFRSTEP, 0x00); |
| 944 | stv0900_write_bits(intp, SCAN_ENABLE, 0); |
| 945 | stv0900_write_bits(intp, CFR_AUTOSCAN, 0); |
| 946 | stv0900_write_reg(intp, TMGCFG2, 0xc1); |
| 947 | stv0900_set_symbol_rate(intp, intp->mclk, srate, demod); |
| 948 | blind_tun_sw = 1; |
| 949 | if (intp->result[demod].standard != STV0900_DVBS2_STANDARD) |
| 950 | stv0900_set_dvbs1_track_car_loop(intp, demod, srate); |
| 951 | |
| 952 | } |
| 953 | |
| 954 | if (intp->chip_id >= 0x20) { |
| 955 | if ((intp->srch_standard[demod] == STV0900_SEARCH_DVBS1) || |
| 956 | (intp->srch_standard[demod] == |
| 957 | STV0900_SEARCH_DSS) || |
| 958 | (intp->srch_standard[demod] == |
| 959 | STV0900_AUTO_SEARCH)) { |
| 960 | stv0900_write_reg(intp, VAVSRVIT, 0x0a); |
| 961 | stv0900_write_reg(intp, VITSCALE, 0x0); |
| 962 | } |
| 963 | } |
| 964 | |
| 965 | if (intp->chip_id < 0x20) |
| 966 | stv0900_write_reg(intp, CARHDR, 0x08); |
| 967 | |
| 968 | if (intp->chip_id == 0x10) |
| 969 | stv0900_write_reg(intp, CORRELEXP, 0x0a); |
| 970 | |
| 971 | stv0900_write_reg(intp, AGC2REF, 0x38); |
| 972 | |
| 973 | if ((intp->chip_id >= 0x20) || |
| 974 | (blind_tun_sw == 1) || |
| 975 | (intp->symbol_rate[demod] < 10000000)) { |
| 976 | stv0900_write_reg(intp, CFRINIT1, freq1); |
| 977 | stv0900_write_reg(intp, CFRINIT0, freq0); |
| 978 | intp->bw[demod] = stv0900_carrier_width(srate, |
| 979 | intp->rolloff) + 10000000; |
| 980 | |
| 981 | if ((intp->chip_id >= 0x20) || (blind_tun_sw == 1)) { |
Igor M. Liplianin | cd79d33 | 2009-12-14 20:24:56 -0300 | [diff] [blame] | 982 | if (intp->srch_algo[demod] != STV0900_WARM_START) { |
| 983 | if (intp->tuner_type[demod] == 3) |
| 984 | stv0900_set_tuner_auto(intp, |
| 985 | intp->freq[demod], |
| 986 | intp->bw[demod], |
| 987 | demod); |
| 988 | else |
| 989 | stv0900_set_bandwidth(fe, |
| 990 | intp->bw[demod]); |
| 991 | } |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 992 | } |
| 993 | |
| 994 | if ((intp->srch_algo[demod] == STV0900_BLIND_SEARCH) || |
| 995 | (intp->symbol_rate[demod] < 10000000)) |
| 996 | msleep(50); |
| 997 | else |
| 998 | msleep(5); |
| 999 | |
| 1000 | stv0900_get_lock_timeout(&timed, &timef, srate, |
| 1001 | STV0900_WARM_START); |
| 1002 | |
| 1003 | if (stv0900_get_demod_lock(intp, demod, timed / 2) == FALSE) { |
| 1004 | stv0900_write_reg(intp, DMDISTATE, 0x1f); |
| 1005 | stv0900_write_reg(intp, CFRINIT1, freq1); |
| 1006 | stv0900_write_reg(intp, CFRINIT0, freq0); |
| 1007 | stv0900_write_reg(intp, DMDISTATE, 0x18); |
| 1008 | i = 0; |
| 1009 | while ((stv0900_get_demod_lock(intp, |
| 1010 | demod, |
| 1011 | timed / 2) == FALSE) && |
| 1012 | (i <= 2)) { |
| 1013 | stv0900_write_reg(intp, DMDISTATE, 0x1f); |
| 1014 | stv0900_write_reg(intp, CFRINIT1, freq1); |
| 1015 | stv0900_write_reg(intp, CFRINIT0, freq0); |
| 1016 | stv0900_write_reg(intp, DMDISTATE, 0x18); |
| 1017 | i++; |
| 1018 | } |
| 1019 | } |
| 1020 | |
| 1021 | } |
| 1022 | |
| 1023 | if (intp->chip_id >= 0x20) |
| 1024 | stv0900_write_reg(intp, CARFREQ, 0x49); |
| 1025 | |
| 1026 | if ((intp->result[demod].standard == STV0900_DVBS1_STANDARD) || |
| 1027 | (intp->result[demod].standard == STV0900_DSS_STANDARD)) |
| 1028 | stv0900_set_viterbi_tracq(intp, demod); |
| 1029 | |
| 1030 | } |
| 1031 | |
| 1032 | static int stv0900_get_fec_lock(struct stv0900_internal *intp, |
| 1033 | enum fe_stv0900_demod_num demod, s32 time_out) |
| 1034 | { |
| 1035 | s32 timer = 0, lock = 0; |
| 1036 | |
| 1037 | enum fe_stv0900_search_state dmd_state; |
| 1038 | |
| 1039 | dprintk("%s\n", __func__); |
| 1040 | |
| 1041 | dmd_state = stv0900_get_bits(intp, HEADER_MODE); |
| 1042 | |
| 1043 | while ((timer < time_out) && (lock == 0)) { |
| 1044 | switch (dmd_state) { |
| 1045 | case STV0900_SEARCH: |
| 1046 | case STV0900_PLH_DETECTED: |
| 1047 | default: |
| 1048 | lock = 0; |
| 1049 | break; |
| 1050 | case STV0900_DVBS2_FOUND: |
| 1051 | lock = stv0900_get_bits(intp, PKTDELIN_LOCK); |
| 1052 | break; |
| 1053 | case STV0900_DVBS_FOUND: |
| 1054 | lock = stv0900_get_bits(intp, LOCKEDVIT); |
| 1055 | break; |
| 1056 | } |
| 1057 | |
| 1058 | if (lock == 0) { |
| 1059 | msleep(10); |
| 1060 | timer += 10; |
| 1061 | } |
| 1062 | } |
| 1063 | |
| 1064 | if (lock) |
| 1065 | dprintk("%s: DEMOD FEC LOCK OK\n", __func__); |
| 1066 | else |
| 1067 | dprintk("%s: DEMOD FEC LOCK FAIL\n", __func__); |
| 1068 | |
| 1069 | return lock; |
| 1070 | } |
| 1071 | |
| 1072 | static int stv0900_wait_for_lock(struct stv0900_internal *intp, |
| 1073 | enum fe_stv0900_demod_num demod, |
| 1074 | s32 dmd_timeout, s32 fec_timeout) |
| 1075 | { |
| 1076 | |
| 1077 | s32 timer = 0, lock = 0; |
| 1078 | |
| 1079 | dprintk("%s\n", __func__); |
| 1080 | |
| 1081 | lock = stv0900_get_demod_lock(intp, demod, dmd_timeout); |
| 1082 | |
| 1083 | if (lock) |
Dan Carpenter | c6aa852 | 2014-02-25 23:26:41 -0300 | [diff] [blame] | 1084 | lock = stv0900_get_fec_lock(intp, demod, fec_timeout); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1085 | |
| 1086 | if (lock) { |
| 1087 | lock = 0; |
| 1088 | |
| 1089 | dprintk("%s: Timer = %d, time_out = %d\n", |
| 1090 | __func__, timer, fec_timeout); |
| 1091 | |
| 1092 | while ((timer < fec_timeout) && (lock == 0)) { |
| 1093 | lock = stv0900_get_bits(intp, TSFIFO_LINEOK); |
| 1094 | msleep(1); |
| 1095 | timer++; |
| 1096 | } |
| 1097 | } |
| 1098 | |
| 1099 | if (lock) |
| 1100 | dprintk("%s: DEMOD LOCK OK\n", __func__); |
| 1101 | else |
| 1102 | dprintk("%s: DEMOD LOCK FAIL\n", __func__); |
| 1103 | |
| 1104 | if (lock) |
| 1105 | return TRUE; |
| 1106 | else |
| 1107 | return FALSE; |
| 1108 | } |
| 1109 | |
| 1110 | enum fe_stv0900_tracking_standard stv0900_get_standard(struct dvb_frontend *fe, |
| 1111 | enum fe_stv0900_demod_num demod) |
| 1112 | { |
| 1113 | struct stv0900_state *state = fe->demodulator_priv; |
| 1114 | struct stv0900_internal *intp = state->internal; |
| 1115 | enum fe_stv0900_tracking_standard fnd_standard; |
| 1116 | |
| 1117 | int hdr_mode = stv0900_get_bits(intp, HEADER_MODE); |
| 1118 | |
| 1119 | switch (hdr_mode) { |
| 1120 | case 2: |
| 1121 | fnd_standard = STV0900_DVBS2_STANDARD; |
| 1122 | break; |
| 1123 | case 3: |
| 1124 | if (stv0900_get_bits(intp, DSS_DVB) == 1) |
| 1125 | fnd_standard = STV0900_DSS_STANDARD; |
| 1126 | else |
| 1127 | fnd_standard = STV0900_DVBS1_STANDARD; |
| 1128 | |
| 1129 | break; |
| 1130 | default: |
| 1131 | fnd_standard = STV0900_UNKNOWN_STANDARD; |
| 1132 | } |
| 1133 | |
| 1134 | dprintk("%s: standard %d\n", __func__, fnd_standard); |
| 1135 | |
| 1136 | return fnd_standard; |
| 1137 | } |
| 1138 | |
| 1139 | static s32 stv0900_get_carr_freq(struct stv0900_internal *intp, u32 mclk, |
| 1140 | enum fe_stv0900_demod_num demod) |
| 1141 | { |
| 1142 | s32 derot, |
| 1143 | rem1, |
| 1144 | rem2, |
| 1145 | intval1, |
| 1146 | intval2; |
| 1147 | |
| 1148 | derot = (stv0900_get_bits(intp, CAR_FREQ2) << 16) + |
| 1149 | (stv0900_get_bits(intp, CAR_FREQ1) << 8) + |
| 1150 | (stv0900_get_bits(intp, CAR_FREQ0)); |
| 1151 | |
| 1152 | derot = ge2comp(derot, 24); |
| 1153 | intval1 = mclk >> 12; |
| 1154 | intval2 = derot >> 12; |
| 1155 | rem1 = mclk % 0x1000; |
| 1156 | rem2 = derot % 0x1000; |
| 1157 | derot = (intval1 * intval2) + |
| 1158 | ((intval1 * rem2) >> 12) + |
| 1159 | ((intval2 * rem1) >> 12); |
| 1160 | |
| 1161 | return derot; |
| 1162 | } |
| 1163 | |
| 1164 | static u32 stv0900_get_tuner_freq(struct dvb_frontend *fe) |
| 1165 | { |
| 1166 | struct dvb_frontend_ops *frontend_ops = NULL; |
| 1167 | struct dvb_tuner_ops *tuner_ops = NULL; |
| 1168 | u32 freq = 0; |
| 1169 | |
Cong Ding | 4880f56 | 2013-02-03 22:34:48 -0300 | [diff] [blame] | 1170 | frontend_ops = &fe->ops; |
| 1171 | tuner_ops = &frontend_ops->tuner_ops; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1172 | |
| 1173 | if (tuner_ops->get_frequency) { |
| 1174 | if ((tuner_ops->get_frequency(fe, &freq)) < 0) |
| 1175 | dprintk("%s: Invalid parameter\n", __func__); |
| 1176 | else |
| 1177 | dprintk("%s: Frequency=%d\n", __func__, freq); |
| 1178 | |
| 1179 | } |
| 1180 | |
| 1181 | return freq; |
| 1182 | } |
| 1183 | |
| 1184 | static enum |
| 1185 | fe_stv0900_signal_type stv0900_get_signal_params(struct dvb_frontend *fe) |
| 1186 | { |
| 1187 | struct stv0900_state *state = fe->demodulator_priv; |
| 1188 | struct stv0900_internal *intp = state->internal; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1189 | enum fe_stv0900_demod_num demod = state->demod; |
| 1190 | enum fe_stv0900_signal_type range = STV0900_OUTOFRANGE; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1191 | struct stv0900_signal_info *result = &intp->result[demod]; |
| 1192 | s32 offsetFreq, |
| 1193 | srate_offset; |
| 1194 | int i = 0, |
| 1195 | d = demod; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1196 | |
| 1197 | u8 timing; |
| 1198 | |
| 1199 | msleep(5); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1200 | if (intp->srch_algo[d] == STV0900_BLIND_SEARCH) { |
| 1201 | timing = stv0900_read_reg(intp, TMGREG2); |
| 1202 | i = 0; |
| 1203 | stv0900_write_reg(intp, SFRSTEP, 0x5c); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1204 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1205 | while ((i <= 50) && (timing != 0) && (timing != 0xff)) { |
| 1206 | timing = stv0900_read_reg(intp, TMGREG2); |
| 1207 | msleep(5); |
| 1208 | i += 5; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1209 | } |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1210 | } |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1211 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1212 | result->standard = stv0900_get_standard(fe, d); |
Igor M. Liplianin | cd79d33 | 2009-12-14 20:24:56 -0300 | [diff] [blame] | 1213 | if (intp->tuner_type[demod] == 3) |
| 1214 | result->frequency = stv0900_get_freq_auto(intp, d); |
| 1215 | else |
| 1216 | result->frequency = stv0900_get_tuner_freq(fe); |
| 1217 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1218 | offsetFreq = stv0900_get_carr_freq(intp, intp->mclk, d) / 1000; |
| 1219 | result->frequency += offsetFreq; |
| 1220 | result->symbol_rate = stv0900_get_symbol_rate(intp, intp->mclk, d); |
| 1221 | srate_offset = stv0900_get_timing_offst(intp, result->symbol_rate, d); |
| 1222 | result->symbol_rate += srate_offset; |
| 1223 | result->fec = stv0900_get_vit_fec(intp, d); |
| 1224 | result->modcode = stv0900_get_bits(intp, DEMOD_MODCOD); |
| 1225 | result->pilot = stv0900_get_bits(intp, DEMOD_TYPE) & 0x01; |
| 1226 | result->frame_len = ((u32)stv0900_get_bits(intp, DEMOD_TYPE)) >> 1; |
| 1227 | result->rolloff = stv0900_get_bits(intp, ROLLOFF_STATUS); |
Abylay Ospan | fad93fd | 2010-02-06 05:55:47 -0300 | [diff] [blame] | 1228 | |
| 1229 | dprintk("%s: modcode=0x%x \n", __func__, result->modcode); |
| 1230 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1231 | switch (result->standard) { |
| 1232 | case STV0900_DVBS2_STANDARD: |
| 1233 | result->spectrum = stv0900_get_bits(intp, SPECINV_DEMOD); |
| 1234 | if (result->modcode <= STV0900_QPSK_910) |
| 1235 | result->modulation = STV0900_QPSK; |
| 1236 | else if (result->modcode <= STV0900_8PSK_910) |
| 1237 | result->modulation = STV0900_8PSK; |
| 1238 | else if (result->modcode <= STV0900_16APSK_910) |
| 1239 | result->modulation = STV0900_16APSK; |
| 1240 | else if (result->modcode <= STV0900_32APSK_910) |
| 1241 | result->modulation = STV0900_32APSK; |
| 1242 | else |
| 1243 | result->modulation = STV0900_UNKNOWN; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1244 | break; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1245 | case STV0900_DVBS1_STANDARD: |
| 1246 | case STV0900_DSS_STANDARD: |
| 1247 | result->spectrum = stv0900_get_bits(intp, IQINV); |
| 1248 | result->modulation = STV0900_QPSK; |
| 1249 | break; |
| 1250 | default: |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1251 | break; |
| 1252 | } |
| 1253 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1254 | if ((intp->srch_algo[d] == STV0900_BLIND_SEARCH) || |
| 1255 | (intp->symbol_rate[d] < 10000000)) { |
| 1256 | offsetFreq = result->frequency - intp->freq[d]; |
Igor M. Liplianin | cd79d33 | 2009-12-14 20:24:56 -0300 | [diff] [blame] | 1257 | if (intp->tuner_type[demod] == 3) |
| 1258 | intp->freq[d] = stv0900_get_freq_auto(intp, d); |
| 1259 | else |
| 1260 | intp->freq[d] = stv0900_get_tuner_freq(fe); |
| 1261 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1262 | if (ABS(offsetFreq) <= ((intp->srch_range[d] / 2000) + 500)) |
| 1263 | range = STV0900_RANGEOK; |
| 1264 | else if (ABS(offsetFreq) <= |
| 1265 | (stv0900_carrier_width(result->symbol_rate, |
| 1266 | result->rolloff) / 2000)) |
| 1267 | range = STV0900_RANGEOK; |
| 1268 | |
| 1269 | } else if (ABS(offsetFreq) <= ((intp->srch_range[d] / 2000) + 500)) |
| 1270 | range = STV0900_RANGEOK; |
| 1271 | |
| 1272 | dprintk("%s: range %d\n", __func__, range); |
| 1273 | |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1274 | return range; |
| 1275 | } |
| 1276 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1277 | static enum |
| 1278 | fe_stv0900_signal_type stv0900_dvbs1_acq_workaround(struct dvb_frontend *fe) |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1279 | { |
| 1280 | struct stv0900_state *state = fe->demodulator_priv; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1281 | struct stv0900_internal *intp = state->internal; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1282 | enum fe_stv0900_demod_num demod = state->demod; |
Joe Perches | 1ebcad7 | 2009-07-02 15:57:09 -0300 | [diff] [blame] | 1283 | enum fe_stv0900_signal_type signal_type = STV0900_NODATA; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1284 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1285 | s32 srate, |
| 1286 | demod_timeout, |
| 1287 | fec_timeout, |
| 1288 | freq1, |
| 1289 | freq0; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1290 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1291 | intp->result[demod].locked = FALSE; |
| 1292 | |
| 1293 | if (stv0900_get_bits(intp, HEADER_MODE) == STV0900_DVBS_FOUND) { |
| 1294 | srate = stv0900_get_symbol_rate(intp, intp->mclk, demod); |
| 1295 | srate += stv0900_get_timing_offst(intp, srate, demod); |
| 1296 | if (intp->srch_algo[demod] == STV0900_BLIND_SEARCH) |
| 1297 | stv0900_set_symbol_rate(intp, intp->mclk, srate, demod); |
| 1298 | |
| 1299 | stv0900_get_lock_timeout(&demod_timeout, &fec_timeout, |
| 1300 | srate, STV0900_WARM_START); |
| 1301 | freq1 = stv0900_read_reg(intp, CFR2); |
| 1302 | freq0 = stv0900_read_reg(intp, CFR1); |
| 1303 | stv0900_write_bits(intp, CFR_AUTOSCAN, 0); |
| 1304 | stv0900_write_bits(intp, SPECINV_CONTROL, |
| 1305 | STV0900_IQ_FORCE_SWAPPED); |
| 1306 | stv0900_write_reg(intp, DMDISTATE, 0x1c); |
| 1307 | stv0900_write_reg(intp, CFRINIT1, freq1); |
| 1308 | stv0900_write_reg(intp, CFRINIT0, freq0); |
| 1309 | stv0900_write_reg(intp, DMDISTATE, 0x18); |
| 1310 | if (stv0900_wait_for_lock(intp, demod, |
| 1311 | demod_timeout, fec_timeout) == TRUE) { |
| 1312 | intp->result[demod].locked = TRUE; |
| 1313 | signal_type = stv0900_get_signal_params(fe); |
| 1314 | stv0900_track_optimization(fe); |
| 1315 | } else { |
| 1316 | stv0900_write_bits(intp, SPECINV_CONTROL, |
| 1317 | STV0900_IQ_FORCE_NORMAL); |
| 1318 | stv0900_write_reg(intp, DMDISTATE, 0x1c); |
| 1319 | stv0900_write_reg(intp, CFRINIT1, freq1); |
| 1320 | stv0900_write_reg(intp, CFRINIT0, freq0); |
| 1321 | stv0900_write_reg(intp, DMDISTATE, 0x18); |
| 1322 | if (stv0900_wait_for_lock(intp, demod, |
| 1323 | demod_timeout, fec_timeout) == TRUE) { |
| 1324 | intp->result[demod].locked = TRUE; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1325 | signal_type = stv0900_get_signal_params(fe); |
| 1326 | stv0900_track_optimization(fe); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1327 | } |
| 1328 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1329 | } |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1330 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1331 | } else |
| 1332 | intp->result[demod].locked = FALSE; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1333 | |
| 1334 | return signal_type; |
| 1335 | } |
| 1336 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1337 | static u16 stv0900_blind_check_agc2_min_level(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1338 | enum fe_stv0900_demod_num demod) |
| 1339 | { |
| 1340 | u32 minagc2level = 0xffff, |
| 1341 | agc2level, |
| 1342 | init_freq, freq_step; |
| 1343 | |
| 1344 | s32 i, j, nb_steps, direction; |
| 1345 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1346 | dprintk("%s\n", __func__); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1347 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1348 | stv0900_write_reg(intp, AGC2REF, 0x38); |
| 1349 | stv0900_write_bits(intp, SCAN_ENABLE, 0); |
| 1350 | stv0900_write_bits(intp, CFR_AUTOSCAN, 0); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1351 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1352 | stv0900_write_bits(intp, AUTO_GUP, 1); |
| 1353 | stv0900_write_bits(intp, AUTO_GLOW, 1); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1354 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1355 | stv0900_write_reg(intp, DMDT0M, 0x0); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1356 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1357 | stv0900_set_symbol_rate(intp, intp->mclk, 1000000, demod); |
| 1358 | nb_steps = -1 + (intp->srch_range[demod] / 1000000); |
| 1359 | nb_steps /= 2; |
| 1360 | nb_steps = (2 * nb_steps) + 1; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1361 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1362 | if (nb_steps < 0) |
| 1363 | nb_steps = 1; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1364 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1365 | direction = 1; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1366 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1367 | freq_step = (1000000 << 8) / (intp->mclk >> 8); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1368 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1369 | init_freq = 0; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1370 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1371 | for (i = 0; i < nb_steps; i++) { |
| 1372 | if (direction > 0) |
| 1373 | init_freq = init_freq + (freq_step * i); |
| 1374 | else |
| 1375 | init_freq = init_freq - (freq_step * i); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1376 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1377 | direction *= -1; |
| 1378 | stv0900_write_reg(intp, DMDISTATE, 0x5C); |
| 1379 | stv0900_write_reg(intp, CFRINIT1, (init_freq >> 8) & 0xff); |
| 1380 | stv0900_write_reg(intp, CFRINIT0, init_freq & 0xff); |
| 1381 | stv0900_write_reg(intp, DMDISTATE, 0x58); |
| 1382 | msleep(10); |
| 1383 | agc2level = 0; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1384 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1385 | for (j = 0; j < 10; j++) |
| 1386 | agc2level += (stv0900_read_reg(intp, AGC2I1) << 8) |
| 1387 | | stv0900_read_reg(intp, AGC2I0); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1388 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1389 | agc2level /= 10; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1390 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1391 | if (agc2level < minagc2level) |
| 1392 | minagc2level = agc2level; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1393 | |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1394 | } |
| 1395 | |
| 1396 | return (u16)minagc2level; |
| 1397 | } |
| 1398 | |
| 1399 | static u32 stv0900_search_srate_coarse(struct dvb_frontend *fe) |
| 1400 | { |
| 1401 | struct stv0900_state *state = fe->demodulator_priv; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1402 | struct stv0900_internal *intp = state->internal; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1403 | enum fe_stv0900_demod_num demod = state->demod; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1404 | int timing_lck = FALSE; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1405 | s32 i, timingcpt = 0, |
| 1406 | direction = 1, |
| 1407 | nb_steps, |
| 1408 | current_step = 0, |
| 1409 | tuner_freq; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1410 | u32 agc2_th, |
| 1411 | coarse_srate = 0, |
| 1412 | agc2_integr = 0, |
| 1413 | currier_step = 1200; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1414 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1415 | if (intp->chip_id >= 0x30) |
| 1416 | agc2_th = 0x2e00; |
| 1417 | else |
| 1418 | agc2_th = 0x1f00; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1419 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1420 | stv0900_write_bits(intp, DEMOD_MODE, 0x1f); |
| 1421 | stv0900_write_reg(intp, TMGCFG, 0x12); |
| 1422 | stv0900_write_reg(intp, TMGTHRISE, 0xf0); |
| 1423 | stv0900_write_reg(intp, TMGTHFALL, 0xe0); |
| 1424 | stv0900_write_bits(intp, SCAN_ENABLE, 1); |
| 1425 | stv0900_write_bits(intp, CFR_AUTOSCAN, 1); |
| 1426 | stv0900_write_reg(intp, SFRUP1, 0x83); |
| 1427 | stv0900_write_reg(intp, SFRUP0, 0xc0); |
| 1428 | stv0900_write_reg(intp, SFRLOW1, 0x82); |
| 1429 | stv0900_write_reg(intp, SFRLOW0, 0xa0); |
| 1430 | stv0900_write_reg(intp, DMDT0M, 0x0); |
| 1431 | stv0900_write_reg(intp, AGC2REF, 0x50); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1432 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1433 | if (intp->chip_id >= 0x30) { |
| 1434 | stv0900_write_reg(intp, CARFREQ, 0x99); |
| 1435 | stv0900_write_reg(intp, SFRSTEP, 0x98); |
| 1436 | } else if (intp->chip_id >= 0x20) { |
| 1437 | stv0900_write_reg(intp, CARFREQ, 0x6a); |
| 1438 | stv0900_write_reg(intp, SFRSTEP, 0x95); |
| 1439 | } else { |
| 1440 | stv0900_write_reg(intp, CARFREQ, 0xed); |
| 1441 | stv0900_write_reg(intp, SFRSTEP, 0x73); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1442 | } |
| 1443 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1444 | if (intp->symbol_rate[demod] <= 2000000) |
| 1445 | currier_step = 1000; |
| 1446 | else if (intp->symbol_rate[demod] <= 5000000) |
| 1447 | currier_step = 2000; |
| 1448 | else if (intp->symbol_rate[demod] <= 12000000) |
| 1449 | currier_step = 3000; |
| 1450 | else |
| 1451 | currier_step = 5000; |
| 1452 | |
| 1453 | nb_steps = -1 + ((intp->srch_range[demod] / 1000) / currier_step); |
| 1454 | nb_steps /= 2; |
| 1455 | nb_steps = (2 * nb_steps) + 1; |
| 1456 | |
| 1457 | if (nb_steps < 0) |
| 1458 | nb_steps = 1; |
| 1459 | else if (nb_steps > 10) { |
| 1460 | nb_steps = 11; |
| 1461 | currier_step = (intp->srch_range[demod] / 1000) / 10; |
| 1462 | } |
| 1463 | |
| 1464 | current_step = 0; |
| 1465 | direction = 1; |
| 1466 | |
| 1467 | tuner_freq = intp->freq[demod]; |
| 1468 | |
| 1469 | while ((timing_lck == FALSE) && (current_step < nb_steps)) { |
| 1470 | stv0900_write_reg(intp, DMDISTATE, 0x5f); |
| 1471 | stv0900_write_bits(intp, DEMOD_MODE, 0); |
| 1472 | |
| 1473 | msleep(50); |
| 1474 | |
| 1475 | for (i = 0; i < 10; i++) { |
| 1476 | if (stv0900_get_bits(intp, TMGLOCK_QUALITY) >= 2) |
| 1477 | timingcpt++; |
| 1478 | |
| 1479 | agc2_integr += (stv0900_read_reg(intp, AGC2I1) << 8) | |
| 1480 | stv0900_read_reg(intp, AGC2I0); |
| 1481 | } |
| 1482 | |
| 1483 | agc2_integr /= 10; |
| 1484 | coarse_srate = stv0900_get_symbol_rate(intp, intp->mclk, demod); |
| 1485 | current_step++; |
| 1486 | direction *= -1; |
| 1487 | |
| 1488 | dprintk("lock: I2C_DEMOD_MODE_FIELD =0. Search started." |
| 1489 | " tuner freq=%d agc2=0x%x srate_coarse=%d tmg_cpt=%d\n", |
| 1490 | tuner_freq, agc2_integr, coarse_srate, timingcpt); |
| 1491 | |
| 1492 | if ((timingcpt >= 5) && |
| 1493 | (agc2_integr < agc2_th) && |
| 1494 | (coarse_srate < 55000000) && |
| 1495 | (coarse_srate > 850000)) |
| 1496 | timing_lck = TRUE; |
| 1497 | else if (current_step < nb_steps) { |
| 1498 | if (direction > 0) |
| 1499 | tuner_freq += (current_step * currier_step); |
| 1500 | else |
| 1501 | tuner_freq -= (current_step * currier_step); |
| 1502 | |
Igor M. Liplianin | cd79d33 | 2009-12-14 20:24:56 -0300 | [diff] [blame] | 1503 | if (intp->tuner_type[demod] == 3) |
| 1504 | stv0900_set_tuner_auto(intp, tuner_freq, |
| 1505 | intp->bw[demod], demod); |
| 1506 | else |
| 1507 | stv0900_set_tuner(fe, tuner_freq, |
| 1508 | intp->bw[demod]); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1509 | } |
| 1510 | } |
| 1511 | |
| 1512 | if (timing_lck == FALSE) |
| 1513 | coarse_srate = 0; |
| 1514 | else |
| 1515 | coarse_srate = stv0900_get_symbol_rate(intp, intp->mclk, demod); |
| 1516 | |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1517 | return coarse_srate; |
| 1518 | } |
| 1519 | |
| 1520 | static u32 stv0900_search_srate_fine(struct dvb_frontend *fe) |
| 1521 | { |
| 1522 | struct stv0900_state *state = fe->demodulator_priv; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1523 | struct stv0900_internal *intp = state->internal; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1524 | enum fe_stv0900_demod_num demod = state->demod; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1525 | u32 coarse_srate, |
| 1526 | coarse_freq, |
| 1527 | symb, |
| 1528 | symbmax, |
| 1529 | symbmin, |
| 1530 | symbcomp; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1531 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1532 | coarse_srate = stv0900_get_symbol_rate(intp, intp->mclk, demod); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1533 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1534 | if (coarse_srate > 3000000) { |
| 1535 | symbmax = 13 * (coarse_srate / 10); |
| 1536 | symbmax = (symbmax / 1000) * 65536; |
| 1537 | symbmax /= (intp->mclk / 1000); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1538 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1539 | symbmin = 10 * (coarse_srate / 13); |
| 1540 | symbmin = (symbmin / 1000)*65536; |
| 1541 | symbmin /= (intp->mclk / 1000); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1542 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1543 | symb = (coarse_srate / 1000) * 65536; |
| 1544 | symb /= (intp->mclk / 1000); |
| 1545 | } else { |
| 1546 | symbmax = 13 * (coarse_srate / 10); |
| 1547 | symbmax = (symbmax / 100) * 65536; |
| 1548 | symbmax /= (intp->mclk / 100); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1549 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1550 | symbmin = 10 * (coarse_srate / 14); |
| 1551 | symbmin = (symbmin / 100) * 65536; |
| 1552 | symbmin /= (intp->mclk / 100); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1553 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1554 | symb = (coarse_srate / 100) * 65536; |
| 1555 | symb /= (intp->mclk / 100); |
| 1556 | } |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1557 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1558 | symbcomp = 13 * (coarse_srate / 10); |
| 1559 | coarse_freq = (stv0900_read_reg(intp, CFR2) << 8) |
| 1560 | | stv0900_read_reg(intp, CFR1); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1561 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1562 | if (symbcomp < intp->symbol_rate[demod]) |
| 1563 | coarse_srate = 0; |
| 1564 | else { |
| 1565 | stv0900_write_reg(intp, DMDISTATE, 0x1f); |
| 1566 | stv0900_write_reg(intp, TMGCFG2, 0xc1); |
| 1567 | stv0900_write_reg(intp, TMGTHRISE, 0x20); |
| 1568 | stv0900_write_reg(intp, TMGTHFALL, 0x00); |
| 1569 | stv0900_write_reg(intp, TMGCFG, 0xd2); |
| 1570 | stv0900_write_bits(intp, CFR_AUTOSCAN, 0); |
| 1571 | stv0900_write_reg(intp, AGC2REF, 0x38); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1572 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1573 | if (intp->chip_id >= 0x30) |
| 1574 | stv0900_write_reg(intp, CARFREQ, 0x79); |
| 1575 | else if (intp->chip_id >= 0x20) |
| 1576 | stv0900_write_reg(intp, CARFREQ, 0x49); |
| 1577 | else |
| 1578 | stv0900_write_reg(intp, CARFREQ, 0xed); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1579 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1580 | stv0900_write_reg(intp, SFRUP1, (symbmax >> 8) & 0x7f); |
| 1581 | stv0900_write_reg(intp, SFRUP0, (symbmax & 0xff)); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1582 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1583 | stv0900_write_reg(intp, SFRLOW1, (symbmin >> 8) & 0x7f); |
| 1584 | stv0900_write_reg(intp, SFRLOW0, (symbmin & 0xff)); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1585 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1586 | stv0900_write_reg(intp, SFRINIT1, (symb >> 8) & 0xff); |
| 1587 | stv0900_write_reg(intp, SFRINIT0, (symb & 0xff)); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1588 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1589 | stv0900_write_reg(intp, DMDT0M, 0x20); |
| 1590 | stv0900_write_reg(intp, CFRINIT1, (coarse_freq >> 8) & 0xff); |
| 1591 | stv0900_write_reg(intp, CFRINIT0, coarse_freq & 0xff); |
| 1592 | stv0900_write_reg(intp, DMDISTATE, 0x15); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1593 | } |
| 1594 | |
| 1595 | return coarse_srate; |
| 1596 | } |
| 1597 | |
| 1598 | static int stv0900_blind_search_algo(struct dvb_frontend *fe) |
| 1599 | { |
| 1600 | struct stv0900_state *state = fe->demodulator_priv; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1601 | struct stv0900_internal *intp = state->internal; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1602 | enum fe_stv0900_demod_num demod = state->demod; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1603 | u8 k_ref_tmg, |
| 1604 | k_ref_tmg_max, |
| 1605 | k_ref_tmg_min; |
| 1606 | u32 coarse_srate, |
| 1607 | agc2_th; |
| 1608 | int lock = FALSE, |
| 1609 | coarse_fail = FALSE; |
| 1610 | s32 demod_timeout = 500, |
| 1611 | fec_timeout = 50, |
| 1612 | fail_cpt, |
| 1613 | i, |
| 1614 | agc2_overflow; |
| 1615 | u16 agc2_int; |
| 1616 | u8 dstatus2; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1617 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1618 | dprintk("%s\n", __func__); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1619 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1620 | if (intp->chip_id < 0x20) { |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1621 | k_ref_tmg_max = 233; |
| 1622 | k_ref_tmg_min = 143; |
| 1623 | } else { |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1624 | k_ref_tmg_max = 110; |
| 1625 | k_ref_tmg_min = 10; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1626 | } |
| 1627 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1628 | if (intp->chip_id <= 0x20) |
| 1629 | agc2_th = STV0900_BLIND_SEARCH_AGC2_TH; |
| 1630 | else |
| 1631 | agc2_th = STV0900_BLIND_SEARCH_AGC2_TH_CUT30; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1632 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1633 | agc2_int = stv0900_blind_check_agc2_min_level(intp, demod); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1634 | |
Abylay Ospan | fad93fd | 2010-02-06 05:55:47 -0300 | [diff] [blame] | 1635 | dprintk("%s agc2_int=%d agc2_th=%d \n", __func__, agc2_int, agc2_th); |
| 1636 | if (agc2_int > agc2_th) |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1637 | return FALSE; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1638 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1639 | if (intp->chip_id == 0x10) |
| 1640 | stv0900_write_reg(intp, CORRELEXP, 0xaa); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1641 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1642 | if (intp->chip_id < 0x20) |
| 1643 | stv0900_write_reg(intp, CARHDR, 0x55); |
| 1644 | else |
| 1645 | stv0900_write_reg(intp, CARHDR, 0x20); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1646 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1647 | if (intp->chip_id <= 0x20) |
| 1648 | stv0900_write_reg(intp, CARCFG, 0xc4); |
| 1649 | else |
| 1650 | stv0900_write_reg(intp, CARCFG, 0x6); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1651 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1652 | stv0900_write_reg(intp, RTCS2, 0x44); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1653 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1654 | if (intp->chip_id >= 0x20) { |
| 1655 | stv0900_write_reg(intp, EQUALCFG, 0x41); |
| 1656 | stv0900_write_reg(intp, FFECFG, 0x41); |
| 1657 | stv0900_write_reg(intp, VITSCALE, 0x82); |
| 1658 | stv0900_write_reg(intp, VAVSRVIT, 0x0); |
| 1659 | } |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1660 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1661 | k_ref_tmg = k_ref_tmg_max; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1662 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1663 | do { |
| 1664 | stv0900_write_reg(intp, KREFTMG, k_ref_tmg); |
| 1665 | if (stv0900_search_srate_coarse(fe) != 0) { |
| 1666 | coarse_srate = stv0900_search_srate_fine(fe); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1667 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1668 | if (coarse_srate != 0) { |
| 1669 | stv0900_get_lock_timeout(&demod_timeout, |
| 1670 | &fec_timeout, |
| 1671 | coarse_srate, |
| 1672 | STV0900_BLIND_SEARCH); |
| 1673 | lock = stv0900_get_demod_lock(intp, |
| 1674 | demod, |
| 1675 | demod_timeout); |
| 1676 | } else |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1677 | lock = FALSE; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1678 | } else { |
| 1679 | fail_cpt = 0; |
| 1680 | agc2_overflow = 0; |
| 1681 | |
| 1682 | for (i = 0; i < 10; i++) { |
| 1683 | agc2_int = (stv0900_read_reg(intp, AGC2I1) << 8) |
| 1684 | | stv0900_read_reg(intp, AGC2I0); |
| 1685 | |
| 1686 | if (agc2_int >= 0xff00) |
| 1687 | agc2_overflow++; |
| 1688 | |
| 1689 | dstatus2 = stv0900_read_reg(intp, DSTATUS2); |
| 1690 | |
| 1691 | if (((dstatus2 & 0x1) == 0x1) && |
| 1692 | ((dstatus2 >> 7) == 1)) |
| 1693 | fail_cpt++; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1694 | } |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1695 | |
| 1696 | if ((fail_cpt > 7) || (agc2_overflow > 7)) |
| 1697 | coarse_fail = TRUE; |
| 1698 | |
| 1699 | lock = FALSE; |
| 1700 | } |
| 1701 | k_ref_tmg -= 30; |
| 1702 | } while ((k_ref_tmg >= k_ref_tmg_min) && |
| 1703 | (lock == FALSE) && |
| 1704 | (coarse_fail == FALSE)); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1705 | |
| 1706 | return lock; |
| 1707 | } |
| 1708 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1709 | static void stv0900_set_viterbi_acq(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1710 | enum fe_stv0900_demod_num demod) |
| 1711 | { |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1712 | s32 vth_reg = VTH12; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1713 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1714 | dprintk("%s\n", __func__); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1715 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1716 | stv0900_write_reg(intp, vth_reg++, 0x96); |
| 1717 | stv0900_write_reg(intp, vth_reg++, 0x64); |
| 1718 | stv0900_write_reg(intp, vth_reg++, 0x36); |
| 1719 | stv0900_write_reg(intp, vth_reg++, 0x23); |
| 1720 | stv0900_write_reg(intp, vth_reg++, 0x1e); |
| 1721 | stv0900_write_reg(intp, vth_reg++, 0x19); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1722 | } |
| 1723 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1724 | static void stv0900_set_search_standard(struct stv0900_internal *intp, |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1725 | enum fe_stv0900_demod_num demod) |
| 1726 | { |
| 1727 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1728 | dprintk("%s\n", __func__); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1729 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1730 | switch (intp->srch_standard[demod]) { |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1731 | case STV0900_SEARCH_DVBS1: |
| 1732 | dprintk("Search Standard = DVBS1\n"); |
| 1733 | break; |
| 1734 | case STV0900_SEARCH_DSS: |
| 1735 | dprintk("Search Standard = DSS\n"); |
| 1736 | case STV0900_SEARCH_DVBS2: |
| 1737 | break; |
| 1738 | dprintk("Search Standard = DVBS2\n"); |
| 1739 | case STV0900_AUTO_SEARCH: |
| 1740 | default: |
| 1741 | dprintk("Search Standard = AUTO\n"); |
| 1742 | break; |
| 1743 | } |
| 1744 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1745 | switch (intp->srch_standard[demod]) { |
| 1746 | case STV0900_SEARCH_DVBS1: |
| 1747 | case STV0900_SEARCH_DSS: |
| 1748 | stv0900_write_bits(intp, DVBS1_ENABLE, 1); |
| 1749 | stv0900_write_bits(intp, DVBS2_ENABLE, 0); |
| 1750 | stv0900_write_bits(intp, STOP_CLKVIT, 0); |
| 1751 | stv0900_set_dvbs1_track_car_loop(intp, |
| 1752 | demod, |
| 1753 | intp->symbol_rate[demod]); |
| 1754 | stv0900_write_reg(intp, CAR2CFG, 0x22); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1755 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1756 | stv0900_set_viterbi_acq(intp, demod); |
| 1757 | stv0900_set_viterbi_standard(intp, |
| 1758 | intp->srch_standard[demod], |
| 1759 | intp->fec[demod], demod); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1760 | |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1761 | break; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1762 | case STV0900_SEARCH_DVBS2: |
| 1763 | stv0900_write_bits(intp, DVBS1_ENABLE, 0); |
| 1764 | stv0900_write_bits(intp, DVBS2_ENABLE, 1); |
| 1765 | stv0900_write_bits(intp, STOP_CLKVIT, 1); |
| 1766 | stv0900_write_reg(intp, ACLC, 0x1a); |
| 1767 | stv0900_write_reg(intp, BCLC, 0x09); |
| 1768 | if (intp->chip_id <= 0x20) /*cut 1.x and 2.0*/ |
| 1769 | stv0900_write_reg(intp, CAR2CFG, 0x26); |
| 1770 | else |
| 1771 | stv0900_write_reg(intp, CAR2CFG, 0x66); |
| 1772 | |
| 1773 | if (intp->demod_mode != STV0900_SINGLE) { |
| 1774 | if (intp->chip_id <= 0x11) |
| 1775 | stv0900_stop_all_s2_modcod(intp, demod); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1776 | else |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1777 | stv0900_activate_s2_modcod(intp, demod); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1778 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1779 | } else |
| 1780 | stv0900_activate_s2_modcod_single(intp, demod); |
| 1781 | |
| 1782 | stv0900_set_viterbi_tracq(intp, demod); |
| 1783 | |
| 1784 | break; |
| 1785 | case STV0900_AUTO_SEARCH: |
| 1786 | default: |
| 1787 | stv0900_write_bits(intp, DVBS1_ENABLE, 1); |
| 1788 | stv0900_write_bits(intp, DVBS2_ENABLE, 1); |
| 1789 | stv0900_write_bits(intp, STOP_CLKVIT, 0); |
| 1790 | stv0900_write_reg(intp, ACLC, 0x1a); |
| 1791 | stv0900_write_reg(intp, BCLC, 0x09); |
| 1792 | stv0900_set_dvbs1_track_car_loop(intp, |
| 1793 | demod, |
| 1794 | intp->symbol_rate[demod]); |
| 1795 | if (intp->chip_id <= 0x20) /*cut 1.x and 2.0*/ |
| 1796 | stv0900_write_reg(intp, CAR2CFG, 0x26); |
| 1797 | else |
| 1798 | stv0900_write_reg(intp, CAR2CFG, 0x66); |
| 1799 | |
| 1800 | if (intp->demod_mode != STV0900_SINGLE) { |
| 1801 | if (intp->chip_id <= 0x11) |
| 1802 | stv0900_stop_all_s2_modcod(intp, demod); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1803 | else |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1804 | stv0900_activate_s2_modcod(intp, demod); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1805 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1806 | } else |
| 1807 | stv0900_activate_s2_modcod_single(intp, demod); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1808 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1809 | stv0900_set_viterbi_tracq(intp, demod); |
| 1810 | stv0900_set_viterbi_standard(intp, |
| 1811 | intp->srch_standard[demod], |
| 1812 | intp->fec[demod], demod); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1813 | |
| 1814 | break; |
| 1815 | } |
| 1816 | } |
| 1817 | |
| 1818 | enum fe_stv0900_signal_type stv0900_algo(struct dvb_frontend *fe) |
| 1819 | { |
| 1820 | struct stv0900_state *state = fe->demodulator_priv; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1821 | struct stv0900_internal *intp = state->internal; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1822 | enum fe_stv0900_demod_num demod = state->demod; |
| 1823 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1824 | s32 demod_timeout = 500, fec_timeout = 50; |
| 1825 | s32 aq_power, agc1_power, i; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1826 | |
| 1827 | int lock = FALSE, low_sr = FALSE; |
| 1828 | |
| 1829 | enum fe_stv0900_signal_type signal_type = STV0900_NOCARRIER; |
| 1830 | enum fe_stv0900_search_algo algo; |
| 1831 | int no_signal = FALSE; |
| 1832 | |
Igor M. Liplianin | 8171c20 | 2009-09-19 08:37:40 -0300 | [diff] [blame] | 1833 | dprintk("%s\n", __func__); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1834 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1835 | algo = intp->srch_algo[demod]; |
| 1836 | stv0900_write_bits(intp, RST_HWARE, 1); |
| 1837 | stv0900_write_reg(intp, DMDISTATE, 0x5c); |
| 1838 | if (intp->chip_id >= 0x20) { |
| 1839 | if (intp->symbol_rate[demod] > 5000000) |
| 1840 | stv0900_write_reg(intp, CORRELABS, 0x9e); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1841 | else |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1842 | stv0900_write_reg(intp, CORRELABS, 0x82); |
| 1843 | } else |
| 1844 | stv0900_write_reg(intp, CORRELABS, 0x88); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1845 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1846 | stv0900_get_lock_timeout(&demod_timeout, &fec_timeout, |
| 1847 | intp->symbol_rate[demod], |
| 1848 | intp->srch_algo[demod]); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1849 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1850 | if (intp->srch_algo[demod] == STV0900_BLIND_SEARCH) { |
| 1851 | intp->bw[demod] = 2 * 36000000; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1852 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1853 | stv0900_write_reg(intp, TMGCFG2, 0xc0); |
| 1854 | stv0900_write_reg(intp, CORRELMANT, 0x70); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1855 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1856 | stv0900_set_symbol_rate(intp, intp->mclk, 1000000, demod); |
| 1857 | } else { |
| 1858 | stv0900_write_reg(intp, DMDT0M, 0x20); |
| 1859 | stv0900_write_reg(intp, TMGCFG, 0xd2); |
| 1860 | |
| 1861 | if (intp->symbol_rate[demod] < 2000000) |
| 1862 | stv0900_write_reg(intp, CORRELMANT, 0x63); |
| 1863 | else |
| 1864 | stv0900_write_reg(intp, CORRELMANT, 0x70); |
| 1865 | |
| 1866 | stv0900_write_reg(intp, AGC2REF, 0x38); |
| 1867 | |
| 1868 | intp->bw[demod] = |
| 1869 | stv0900_carrier_width(intp->symbol_rate[demod], |
| 1870 | intp->rolloff); |
| 1871 | if (intp->chip_id >= 0x20) { |
| 1872 | stv0900_write_reg(intp, KREFTMG, 0x5a); |
| 1873 | |
| 1874 | if (intp->srch_algo[demod] == STV0900_COLD_START) { |
| 1875 | intp->bw[demod] += 10000000; |
| 1876 | intp->bw[demod] *= 15; |
| 1877 | intp->bw[demod] /= 10; |
| 1878 | } else if (intp->srch_algo[demod] == STV0900_WARM_START) |
| 1879 | intp->bw[demod] += 10000000; |
| 1880 | |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1881 | } else { |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1882 | stv0900_write_reg(intp, KREFTMG, 0xc1); |
| 1883 | intp->bw[demod] += 10000000; |
| 1884 | intp->bw[demod] *= 15; |
| 1885 | intp->bw[demod] /= 10; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1886 | } |
| 1887 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1888 | stv0900_write_reg(intp, TMGCFG2, 0xc1); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1889 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1890 | stv0900_set_symbol_rate(intp, intp->mclk, |
| 1891 | intp->symbol_rate[demod], demod); |
| 1892 | stv0900_set_max_symbol_rate(intp, intp->mclk, |
| 1893 | intp->symbol_rate[demod], demod); |
| 1894 | stv0900_set_min_symbol_rate(intp, intp->mclk, |
| 1895 | intp->symbol_rate[demod], demod); |
| 1896 | if (intp->symbol_rate[demod] >= 10000000) |
| 1897 | low_sr = FALSE; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1898 | else |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1899 | low_sr = TRUE; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1900 | |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1901 | } |
| 1902 | |
Igor M. Liplianin | cd79d33 | 2009-12-14 20:24:56 -0300 | [diff] [blame] | 1903 | if (intp->tuner_type[demod] == 3) |
| 1904 | stv0900_set_tuner_auto(intp, intp->freq[demod], |
| 1905 | intp->bw[demod], demod); |
| 1906 | else |
| 1907 | stv0900_set_tuner(fe, intp->freq[demod], intp->bw[demod]); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1908 | |
| 1909 | agc1_power = MAKEWORD(stv0900_get_bits(intp, AGCIQ_VALUE1), |
| 1910 | stv0900_get_bits(intp, AGCIQ_VALUE0)); |
| 1911 | |
| 1912 | aq_power = 0; |
| 1913 | |
| 1914 | if (agc1_power == 0) { |
| 1915 | for (i = 0; i < 5; i++) |
| 1916 | aq_power += (stv0900_get_bits(intp, POWER_I) + |
| 1917 | stv0900_get_bits(intp, POWER_Q)) / 2; |
| 1918 | |
| 1919 | aq_power /= 5; |
| 1920 | } |
| 1921 | |
| 1922 | if ((agc1_power == 0) && (aq_power < IQPOWER_THRESHOLD)) { |
| 1923 | intp->result[demod].locked = FALSE; |
| 1924 | signal_type = STV0900_NOAGC1; |
| 1925 | dprintk("%s: NO AGC1, POWERI, POWERQ\n", __func__); |
| 1926 | } else { |
| 1927 | stv0900_write_bits(intp, SPECINV_CONTROL, |
| 1928 | intp->srch_iq_inv[demod]); |
| 1929 | if (intp->chip_id <= 0x20) /*cut 2.0*/ |
| 1930 | stv0900_write_bits(intp, MANUALSX_ROLLOFF, 1); |
| 1931 | else /*cut 3.0*/ |
| 1932 | stv0900_write_bits(intp, MANUALS2_ROLLOFF, 1); |
| 1933 | |
| 1934 | stv0900_set_search_standard(intp, demod); |
| 1935 | |
| 1936 | if (intp->srch_algo[demod] != STV0900_BLIND_SEARCH) |
| 1937 | stv0900_start_search(intp, demod); |
| 1938 | } |
| 1939 | |
| 1940 | if (signal_type == STV0900_NOAGC1) |
| 1941 | return signal_type; |
| 1942 | |
| 1943 | if (intp->chip_id == 0x12) { |
| 1944 | stv0900_write_bits(intp, RST_HWARE, 0); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1945 | msleep(3); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1946 | stv0900_write_bits(intp, RST_HWARE, 1); |
| 1947 | stv0900_write_bits(intp, RST_HWARE, 0); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1948 | } |
| 1949 | |
| 1950 | if (algo == STV0900_BLIND_SEARCH) |
| 1951 | lock = stv0900_blind_search_algo(fe); |
| 1952 | else if (algo == STV0900_COLD_START) |
| 1953 | lock = stv0900_get_demod_cold_lock(fe, demod_timeout); |
| 1954 | else if (algo == STV0900_WARM_START) |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1955 | lock = stv0900_get_demod_lock(intp, demod, demod_timeout); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1956 | |
| 1957 | if ((lock == FALSE) && (algo == STV0900_COLD_START)) { |
| 1958 | if (low_sr == FALSE) { |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1959 | if (stv0900_check_timing_lock(intp, demod) == TRUE) |
| 1960 | lock = stv0900_sw_algo(intp, demod); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1961 | } |
| 1962 | } |
| 1963 | |
| 1964 | if (lock == TRUE) |
| 1965 | signal_type = stv0900_get_signal_params(fe); |
| 1966 | |
| 1967 | if ((lock == TRUE) && (signal_type == STV0900_RANGEOK)) { |
| 1968 | stv0900_track_optimization(fe); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1969 | if (intp->chip_id <= 0x11) { |
| 1970 | if ((stv0900_get_standard(fe, 0) == |
| 1971 | STV0900_DVBS1_STANDARD) && |
| 1972 | (stv0900_get_standard(fe, 1) == |
| 1973 | STV0900_DVBS1_STANDARD)) { |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1974 | msleep(20); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1975 | stv0900_write_bits(intp, RST_HWARE, 0); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1976 | } else { |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1977 | stv0900_write_bits(intp, RST_HWARE, 0); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1978 | msleep(3); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1979 | stv0900_write_bits(intp, RST_HWARE, 1); |
| 1980 | stv0900_write_bits(intp, RST_HWARE, 0); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1981 | } |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1982 | |
| 1983 | } else if (intp->chip_id >= 0x20) { |
| 1984 | stv0900_write_bits(intp, RST_HWARE, 0); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1985 | msleep(3); |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1986 | stv0900_write_bits(intp, RST_HWARE, 1); |
| 1987 | stv0900_write_bits(intp, RST_HWARE, 0); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1988 | } |
| 1989 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1990 | if (stv0900_wait_for_lock(intp, demod, |
| 1991 | fec_timeout, fec_timeout) == TRUE) { |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 1992 | lock = TRUE; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 1993 | intp->result[demod].locked = TRUE; |
| 1994 | if (intp->result[demod].standard == |
| 1995 | STV0900_DVBS2_STANDARD) { |
| 1996 | stv0900_set_dvbs2_rolloff(intp, demod); |
| 1997 | stv0900_write_bits(intp, RESET_UPKO_COUNT, 1); |
| 1998 | stv0900_write_bits(intp, RESET_UPKO_COUNT, 0); |
| 1999 | stv0900_write_reg(intp, ERRCTRL1, 0x67); |
| 2000 | } else { |
| 2001 | stv0900_write_reg(intp, ERRCTRL1, 0x75); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 2002 | } |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 2003 | |
| 2004 | stv0900_write_reg(intp, FBERCPT4, 0); |
| 2005 | stv0900_write_reg(intp, ERRCTRL2, 0xc1); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 2006 | } else { |
| 2007 | lock = FALSE; |
| 2008 | signal_type = STV0900_NODATA; |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 2009 | no_signal = stv0900_check_signal_presence(intp, demod); |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 2010 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 2011 | intp->result[demod].locked = FALSE; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 2012 | } |
| 2013 | } |
| 2014 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 2015 | if ((signal_type != STV0900_NODATA) || (no_signal != FALSE)) |
| 2016 | return signal_type; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 2017 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 2018 | if (intp->chip_id > 0x11) { |
| 2019 | intp->result[demod].locked = FALSE; |
| 2020 | return signal_type; |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 2021 | } |
| 2022 | |
Igor M. Liplianin | a3a4f7e | 2009-11-06 23:46:32 -0300 | [diff] [blame] | 2023 | if ((stv0900_get_bits(intp, HEADER_MODE) == STV0900_DVBS_FOUND) && |
| 2024 | (intp->srch_iq_inv[demod] <= STV0900_IQ_AUTO_NORMAL_FIRST)) |
| 2025 | signal_type = stv0900_dvbs1_acq_workaround(fe); |
| 2026 | |
Igor M. Liplianin | ce45264 | 2009-03-03 11:55:20 -0300 | [diff] [blame] | 2027 | return signal_type; |
| 2028 | } |
| 2029 | |