Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Frontend driver for mobile DVB-T demodulator DiBcom 3000P/M-C |
| 3 | * DiBcom (http://www.dibcom.fr/) |
| 4 | * |
| 5 | * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de) |
| 6 | * |
| 7 | * based on GPL code from DiBCom, which has |
| 8 | * |
| 9 | * Copyright (C) 2004 Amaury Demol for DiBcom (ademol@dibcom.fr) |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or |
| 12 | * modify it under the terms of the GNU General Public License as |
| 13 | * published by the Free Software Foundation, version 2. |
| 14 | * |
| 15 | * Acknowledgements |
| 16 | * |
| 17 | * Amaury Demol (ademol@dibcom.fr) from DiBcom for providing specs and driver |
| 18 | * sources, on which this driver (and the dvb-dibusb) are based. |
| 19 | * |
| 20 | * see Documentation/dvb/README.dibusb for more information |
| 21 | * |
| 22 | */ |
| 23 | #include <linux/config.h> |
| 24 | #include <linux/kernel.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | #include <linux/module.h> |
| 26 | #include <linux/moduleparam.h> |
| 27 | #include <linux/init.h> |
| 28 | #include <linux/delay.h> |
Tim Schmielau | 4e57b68 | 2005-10-30 15:03:48 -0800 | [diff] [blame] | 29 | #include <linux/string.h> |
| 30 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | |
| 32 | #include "dib3000-common.h" |
| 33 | #include "dib3000mc_priv.h" |
| 34 | #include "dib3000.h" |
| 35 | |
| 36 | /* Version information */ |
| 37 | #define DRIVER_VERSION "0.1" |
| 38 | #define DRIVER_DESC "DiBcom 3000M-C DVB-T demodulator" |
| 39 | #define DRIVER_AUTHOR "Patrick Boettcher, patrick.boettcher@desy.de" |
| 40 | |
| 41 | #ifdef CONFIG_DVB_DIBCOM_DEBUG |
| 42 | static int debug; |
| 43 | module_param(debug, int, 0644); |
| 44 | MODULE_PARM_DESC(debug, "set debugging level (1=info,2=xfer,4=setfe,8=getfe,16=stat (|-able))."); |
| 45 | #endif |
| 46 | #define deb_info(args...) dprintk(0x01,args) |
| 47 | #define deb_xfer(args...) dprintk(0x02,args) |
| 48 | #define deb_setf(args...) dprintk(0x04,args) |
| 49 | #define deb_getf(args...) dprintk(0x08,args) |
| 50 | #define deb_stat(args...) dprintk(0x10,args) |
| 51 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | static int dib3000mc_set_impulse_noise(struct dib3000_state * state, int mode, |
| 53 | fe_transmit_mode_t transmission_mode, fe_bandwidth_t bandwidth) |
| 54 | { |
| 55 | switch (transmission_mode) { |
| 56 | case TRANSMISSION_MODE_2K: |
| 57 | wr_foreach(dib3000mc_reg_fft,dib3000mc_fft_modes[0]); |
| 58 | break; |
| 59 | case TRANSMISSION_MODE_8K: |
| 60 | wr_foreach(dib3000mc_reg_fft,dib3000mc_fft_modes[1]); |
| 61 | break; |
| 62 | default: |
| 63 | break; |
| 64 | } |
| 65 | |
| 66 | switch (bandwidth) { |
| 67 | /* case BANDWIDTH_5_MHZ: |
| 68 | wr_foreach(dib3000mc_reg_impulse_noise,dib3000mc_impluse_noise[0]); |
| 69 | break; */ |
| 70 | case BANDWIDTH_6_MHZ: |
| 71 | wr_foreach(dib3000mc_reg_impulse_noise,dib3000mc_impluse_noise[1]); |
| 72 | break; |
| 73 | case BANDWIDTH_7_MHZ: |
| 74 | wr_foreach(dib3000mc_reg_impulse_noise,dib3000mc_impluse_noise[2]); |
| 75 | break; |
| 76 | case BANDWIDTH_8_MHZ: |
| 77 | wr_foreach(dib3000mc_reg_impulse_noise,dib3000mc_impluse_noise[3]); |
| 78 | break; |
| 79 | default: |
| 80 | break; |
| 81 | } |
| 82 | |
| 83 | switch (mode) { |
| 84 | case 0: /* no impulse */ /* fall through */ |
| 85 | wr_foreach(dib3000mc_reg_imp_noise_ctl,dib3000mc_imp_noise_ctl[0]); |
| 86 | break; |
| 87 | case 1: /* new algo */ |
| 88 | wr_foreach(dib3000mc_reg_imp_noise_ctl,dib3000mc_imp_noise_ctl[1]); |
| 89 | set_or(DIB3000MC_REG_IMP_NOISE_55,DIB3000MC_IMP_NEW_ALGO(0)); /* gives 1<<10 */ |
| 90 | break; |
| 91 | default: /* old algo */ |
| 92 | wr_foreach(dib3000mc_reg_imp_noise_ctl,dib3000mc_imp_noise_ctl[3]); |
| 93 | break; |
| 94 | } |
| 95 | return 0; |
| 96 | } |
| 97 | |
| 98 | static int dib3000mc_set_timing(struct dib3000_state *state, int upd_offset, |
| 99 | fe_transmit_mode_t fft, fe_bandwidth_t bw) |
| 100 | { |
| 101 | u16 timf_msb,timf_lsb; |
| 102 | s32 tim_offset,tim_sgn; |
| 103 | u64 comp1,comp2,comp=0; |
| 104 | |
| 105 | switch (bw) { |
| 106 | case BANDWIDTH_8_MHZ: comp = DIB3000MC_CLOCK_REF*8; break; |
| 107 | case BANDWIDTH_7_MHZ: comp = DIB3000MC_CLOCK_REF*7; break; |
| 108 | case BANDWIDTH_6_MHZ: comp = DIB3000MC_CLOCK_REF*6; break; |
| 109 | default: err("unknown bandwidth (%d)",bw); break; |
| 110 | } |
| 111 | timf_msb = (comp >> 16) & 0xff; |
| 112 | timf_lsb = (comp & 0xffff); |
| 113 | |
| 114 | // Update the timing offset ; |
| 115 | if (upd_offset > 0) { |
| 116 | if (!state->timing_offset_comp_done) { |
| 117 | msleep(200); |
| 118 | state->timing_offset_comp_done = 1; |
| 119 | } |
| 120 | tim_offset = rd(DIB3000MC_REG_TIMING_OFFS_MSB); |
| 121 | if ((tim_offset & 0x2000) == 0x2000) |
| 122 | tim_offset |= 0xC000; |
| 123 | if (fft == TRANSMISSION_MODE_2K) |
| 124 | tim_offset <<= 2; |
| 125 | state->timing_offset += tim_offset; |
| 126 | } |
| 127 | |
| 128 | tim_offset = state->timing_offset; |
| 129 | if (tim_offset < 0) { |
| 130 | tim_sgn = 1; |
| 131 | tim_offset = -tim_offset; |
| 132 | } else |
| 133 | tim_sgn = 0; |
| 134 | |
| 135 | comp1 = (u32)tim_offset * (u32)timf_lsb ; |
| 136 | comp2 = (u32)tim_offset * (u32)timf_msb ; |
| 137 | comp = ((comp1 >> 16) + comp2) >> 7; |
| 138 | |
| 139 | if (tim_sgn == 0) |
| 140 | comp = (u32)(timf_msb << 16) + (u32) timf_lsb + comp; |
| 141 | else |
| 142 | comp = (u32)(timf_msb << 16) + (u32) timf_lsb - comp ; |
| 143 | |
| 144 | timf_msb = (comp >> 16) & 0xff; |
| 145 | timf_lsb = comp & 0xffff; |
| 146 | |
| 147 | wr(DIB3000MC_REG_TIMING_FREQ_MSB,timf_msb); |
| 148 | wr(DIB3000MC_REG_TIMING_FREQ_LSB,timf_lsb); |
| 149 | return 0; |
| 150 | } |
| 151 | |
| 152 | static int dib3000mc_init_auto_scan(struct dib3000_state *state, fe_bandwidth_t bw, int boost) |
| 153 | { |
| 154 | if (boost) { |
| 155 | wr(DIB3000MC_REG_SCAN_BOOST,DIB3000MC_SCAN_BOOST_ON); |
| 156 | } else { |
| 157 | wr(DIB3000MC_REG_SCAN_BOOST,DIB3000MC_SCAN_BOOST_OFF); |
| 158 | } |
| 159 | switch (bw) { |
| 160 | case BANDWIDTH_8_MHZ: |
| 161 | wr_foreach(dib3000mc_reg_bandwidth,dib3000mc_bandwidth_8mhz); |
| 162 | break; |
| 163 | case BANDWIDTH_7_MHZ: |
| 164 | wr_foreach(dib3000mc_reg_bandwidth,dib3000mc_bandwidth_7mhz); |
| 165 | break; |
| 166 | case BANDWIDTH_6_MHZ: |
| 167 | wr_foreach(dib3000mc_reg_bandwidth,dib3000mc_bandwidth_6mhz); |
| 168 | break; |
| 169 | /* case BANDWIDTH_5_MHZ: |
| 170 | wr_foreach(dib3000mc_reg_bandwidth,dib3000mc_bandwidth_5mhz); |
| 171 | break;*/ |
| 172 | case BANDWIDTH_AUTO: |
| 173 | return -EOPNOTSUPP; |
| 174 | default: |
| 175 | err("unknown bandwidth value (%d).",bw); |
| 176 | return -EINVAL; |
| 177 | } |
| 178 | if (boost) { |
| 179 | u32 timeout = (rd(DIB3000MC_REG_BW_TIMOUT_MSB) << 16) + |
| 180 | rd(DIB3000MC_REG_BW_TIMOUT_LSB); |
| 181 | timeout *= 85; timeout >>= 7; |
| 182 | wr(DIB3000MC_REG_BW_TIMOUT_MSB,(timeout >> 16) & 0xffff); |
| 183 | wr(DIB3000MC_REG_BW_TIMOUT_LSB,timeout & 0xffff); |
| 184 | } |
| 185 | return 0; |
| 186 | } |
| 187 | |
| 188 | static int dib3000mc_set_adp_cfg(struct dib3000_state *state, fe_modulation_t con) |
| 189 | { |
| 190 | switch (con) { |
| 191 | case QAM_64: |
| 192 | wr_foreach(dib3000mc_reg_adp_cfg,dib3000mc_adp_cfg[2]); |
| 193 | break; |
| 194 | case QAM_16: |
| 195 | wr_foreach(dib3000mc_reg_adp_cfg,dib3000mc_adp_cfg[1]); |
| 196 | break; |
| 197 | case QPSK: |
| 198 | wr_foreach(dib3000mc_reg_adp_cfg,dib3000mc_adp_cfg[0]); |
| 199 | break; |
| 200 | case QAM_AUTO: |
| 201 | break; |
| 202 | default: |
| 203 | warn("unkown constellation."); |
| 204 | break; |
| 205 | } |
| 206 | return 0; |
| 207 | } |
| 208 | |
| 209 | static int dib3000mc_set_general_cfg(struct dib3000_state *state, struct dvb_frontend_parameters *fep, int *auto_val) |
| 210 | { |
| 211 | struct dvb_ofdm_parameters *ofdm = &fep->u.ofdm; |
| 212 | fe_code_rate_t fe_cr = FEC_NONE; |
| 213 | u8 fft=0, guard=0, qam=0, alpha=0, sel_hp=0, cr=0, hrch=0; |
| 214 | int seq; |
| 215 | |
| 216 | switch (ofdm->transmission_mode) { |
| 217 | case TRANSMISSION_MODE_2K: fft = DIB3000_TRANSMISSION_MODE_2K; break; |
| 218 | case TRANSMISSION_MODE_8K: fft = DIB3000_TRANSMISSION_MODE_8K; break; |
| 219 | case TRANSMISSION_MODE_AUTO: break; |
| 220 | default: return -EINVAL; |
| 221 | } |
| 222 | switch (ofdm->guard_interval) { |
| 223 | case GUARD_INTERVAL_1_32: guard = DIB3000_GUARD_TIME_1_32; break; |
| 224 | case GUARD_INTERVAL_1_16: guard = DIB3000_GUARD_TIME_1_16; break; |
| 225 | case GUARD_INTERVAL_1_8: guard = DIB3000_GUARD_TIME_1_8; break; |
| 226 | case GUARD_INTERVAL_1_4: guard = DIB3000_GUARD_TIME_1_4; break; |
| 227 | case GUARD_INTERVAL_AUTO: break; |
| 228 | default: return -EINVAL; |
| 229 | } |
| 230 | switch (ofdm->constellation) { |
| 231 | case QPSK: qam = DIB3000_CONSTELLATION_QPSK; break; |
| 232 | case QAM_16: qam = DIB3000_CONSTELLATION_16QAM; break; |
| 233 | case QAM_64: qam = DIB3000_CONSTELLATION_64QAM; break; |
| 234 | case QAM_AUTO: break; |
| 235 | default: return -EINVAL; |
| 236 | } |
| 237 | switch (ofdm->hierarchy_information) { |
| 238 | case HIERARCHY_NONE: /* fall through */ |
| 239 | case HIERARCHY_1: alpha = DIB3000_ALPHA_1; break; |
| 240 | case HIERARCHY_2: alpha = DIB3000_ALPHA_2; break; |
| 241 | case HIERARCHY_4: alpha = DIB3000_ALPHA_4; break; |
| 242 | case HIERARCHY_AUTO: break; |
| 243 | default: return -EINVAL; |
| 244 | } |
| 245 | if (ofdm->hierarchy_information == HIERARCHY_NONE) { |
| 246 | hrch = DIB3000_HRCH_OFF; |
| 247 | sel_hp = DIB3000_SELECT_HP; |
| 248 | fe_cr = ofdm->code_rate_HP; |
| 249 | } else if (ofdm->hierarchy_information != HIERARCHY_AUTO) { |
| 250 | hrch = DIB3000_HRCH_ON; |
| 251 | sel_hp = DIB3000_SELECT_LP; |
| 252 | fe_cr = ofdm->code_rate_LP; |
| 253 | } |
| 254 | switch (fe_cr) { |
| 255 | case FEC_1_2: cr = DIB3000_FEC_1_2; break; |
| 256 | case FEC_2_3: cr = DIB3000_FEC_2_3; break; |
| 257 | case FEC_3_4: cr = DIB3000_FEC_3_4; break; |
| 258 | case FEC_5_6: cr = DIB3000_FEC_5_6; break; |
| 259 | case FEC_7_8: cr = DIB3000_FEC_7_8; break; |
| 260 | case FEC_NONE: break; |
| 261 | case FEC_AUTO: break; |
| 262 | default: return -EINVAL; |
| 263 | } |
| 264 | |
| 265 | wr(DIB3000MC_REG_DEMOD_PARM,DIB3000MC_DEMOD_PARM(alpha,qam,guard,fft)); |
| 266 | wr(DIB3000MC_REG_HRCH_PARM,DIB3000MC_HRCH_PARM(sel_hp,cr,hrch)); |
| 267 | |
| 268 | switch (fep->inversion) { |
| 269 | case INVERSION_OFF: |
| 270 | wr(DIB3000MC_REG_SET_DDS_FREQ_MSB,DIB3000MC_DDS_FREQ_MSB_INV_OFF); |
| 271 | break; |
| 272 | case INVERSION_AUTO: /* fall through */ |
| 273 | case INVERSION_ON: |
| 274 | wr(DIB3000MC_REG_SET_DDS_FREQ_MSB,DIB3000MC_DDS_FREQ_MSB_INV_ON); |
| 275 | break; |
| 276 | default: |
| 277 | return -EINVAL; |
| 278 | } |
| 279 | |
| 280 | seq = dib3000_seq |
| 281 | [ofdm->transmission_mode == TRANSMISSION_MODE_AUTO] |
| 282 | [ofdm->guard_interval == GUARD_INTERVAL_AUTO] |
| 283 | [fep->inversion == INVERSION_AUTO]; |
| 284 | |
| 285 | deb_setf("seq? %d\n", seq); |
| 286 | wr(DIB3000MC_REG_SEQ_TPS,DIB3000MC_SEQ_TPS(seq,1)); |
| 287 | *auto_val = ofdm->constellation == QAM_AUTO || |
| 288 | ofdm->hierarchy_information == HIERARCHY_AUTO || |
| 289 | ofdm->guard_interval == GUARD_INTERVAL_AUTO || |
| 290 | ofdm->transmission_mode == TRANSMISSION_MODE_AUTO || |
| 291 | fe_cr == FEC_AUTO || |
| 292 | fep->inversion == INVERSION_AUTO; |
| 293 | return 0; |
| 294 | } |
| 295 | |
| 296 | static int dib3000mc_get_frontend(struct dvb_frontend* fe, |
| 297 | struct dvb_frontend_parameters *fep) |
| 298 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 299 | struct dib3000_state* state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | struct dvb_ofdm_parameters *ofdm = &fep->u.ofdm; |
| 301 | fe_code_rate_t *cr; |
| 302 | u16 tps_val,cr_val; |
| 303 | int inv_test1,inv_test2; |
| 304 | u32 dds_val, threshold = 0x1000000; |
| 305 | |
| 306 | if (!(rd(DIB3000MC_REG_LOCK_507) & DIB3000MC_LOCK_507)) |
| 307 | return 0; |
| 308 | |
| 309 | dds_val = (rd(DIB3000MC_REG_DDS_FREQ_MSB) << 16) + rd(DIB3000MC_REG_DDS_FREQ_LSB); |
| 310 | deb_getf("DDS_FREQ: %6x\n",dds_val); |
| 311 | if (dds_val < threshold) |
| 312 | inv_test1 = 0; |
| 313 | else if (dds_val == threshold) |
| 314 | inv_test1 = 1; |
| 315 | else |
| 316 | inv_test1 = 2; |
| 317 | |
| 318 | dds_val = (rd(DIB3000MC_REG_SET_DDS_FREQ_MSB) << 16) + rd(DIB3000MC_REG_SET_DDS_FREQ_LSB); |
| 319 | deb_getf("DDS_SET_FREQ: %6x\n",dds_val); |
| 320 | if (dds_val < threshold) |
| 321 | inv_test2 = 0; |
| 322 | else if (dds_val == threshold) |
| 323 | inv_test2 = 1; |
| 324 | else |
| 325 | inv_test2 = 2; |
| 326 | |
| 327 | fep->inversion = |
| 328 | ((inv_test2 == 2) && (inv_test1==1 || inv_test1==0)) || |
| 329 | ((inv_test2 == 0) && (inv_test1==1 || inv_test1==2)) ? |
| 330 | INVERSION_ON : INVERSION_OFF; |
| 331 | |
| 332 | deb_getf("inversion %d %d, %d\n", inv_test2, inv_test1, fep->inversion); |
| 333 | |
| 334 | fep->frequency = state->last_tuned_freq; |
| 335 | fep->u.ofdm.bandwidth= state->last_tuned_bw; |
| 336 | |
| 337 | tps_val = rd(DIB3000MC_REG_TUNING_PARM); |
| 338 | |
| 339 | switch (DIB3000MC_TP_QAM(tps_val)) { |
| 340 | case DIB3000_CONSTELLATION_QPSK: |
| 341 | deb_getf("QPSK "); |
| 342 | ofdm->constellation = QPSK; |
| 343 | break; |
| 344 | case DIB3000_CONSTELLATION_16QAM: |
| 345 | deb_getf("QAM16 "); |
| 346 | ofdm->constellation = QAM_16; |
| 347 | break; |
| 348 | case DIB3000_CONSTELLATION_64QAM: |
| 349 | deb_getf("QAM64 "); |
| 350 | ofdm->constellation = QAM_64; |
| 351 | break; |
| 352 | default: |
| 353 | err("Unexpected constellation returned by TPS (%d)", tps_val); |
| 354 | break; |
| 355 | } |
| 356 | |
| 357 | if (DIB3000MC_TP_HRCH(tps_val)) { |
| 358 | deb_getf("HRCH ON "); |
| 359 | cr = &ofdm->code_rate_LP; |
| 360 | ofdm->code_rate_HP = FEC_NONE; |
| 361 | switch (DIB3000MC_TP_ALPHA(tps_val)) { |
| 362 | case DIB3000_ALPHA_0: |
| 363 | deb_getf("HIERARCHY_NONE "); |
| 364 | ofdm->hierarchy_information = HIERARCHY_NONE; |
| 365 | break; |
| 366 | case DIB3000_ALPHA_1: |
| 367 | deb_getf("HIERARCHY_1 "); |
| 368 | ofdm->hierarchy_information = HIERARCHY_1; |
| 369 | break; |
| 370 | case DIB3000_ALPHA_2: |
| 371 | deb_getf("HIERARCHY_2 "); |
| 372 | ofdm->hierarchy_information = HIERARCHY_2; |
| 373 | break; |
| 374 | case DIB3000_ALPHA_4: |
| 375 | deb_getf("HIERARCHY_4 "); |
| 376 | ofdm->hierarchy_information = HIERARCHY_4; |
| 377 | break; |
| 378 | default: |
| 379 | err("Unexpected ALPHA value returned by TPS (%d)", tps_val); |
| 380 | break; |
| 381 | } |
| 382 | cr_val = DIB3000MC_TP_FEC_CR_LP(tps_val); |
| 383 | } else { |
| 384 | deb_getf("HRCH OFF "); |
| 385 | cr = &ofdm->code_rate_HP; |
| 386 | ofdm->code_rate_LP = FEC_NONE; |
| 387 | ofdm->hierarchy_information = HIERARCHY_NONE; |
| 388 | cr_val = DIB3000MC_TP_FEC_CR_HP(tps_val); |
| 389 | } |
| 390 | |
| 391 | switch (cr_val) { |
| 392 | case DIB3000_FEC_1_2: |
| 393 | deb_getf("FEC_1_2 "); |
| 394 | *cr = FEC_1_2; |
| 395 | break; |
| 396 | case DIB3000_FEC_2_3: |
| 397 | deb_getf("FEC_2_3 "); |
| 398 | *cr = FEC_2_3; |
| 399 | break; |
| 400 | case DIB3000_FEC_3_4: |
| 401 | deb_getf("FEC_3_4 "); |
| 402 | *cr = FEC_3_4; |
| 403 | break; |
| 404 | case DIB3000_FEC_5_6: |
| 405 | deb_getf("FEC_5_6 "); |
| 406 | *cr = FEC_4_5; |
| 407 | break; |
| 408 | case DIB3000_FEC_7_8: |
| 409 | deb_getf("FEC_7_8 "); |
| 410 | *cr = FEC_7_8; |
| 411 | break; |
| 412 | default: |
| 413 | err("Unexpected FEC returned by TPS (%d)", tps_val); |
| 414 | break; |
| 415 | } |
| 416 | |
| 417 | switch (DIB3000MC_TP_GUARD(tps_val)) { |
| 418 | case DIB3000_GUARD_TIME_1_32: |
| 419 | deb_getf("GUARD_INTERVAL_1_32 "); |
| 420 | ofdm->guard_interval = GUARD_INTERVAL_1_32; |
| 421 | break; |
| 422 | case DIB3000_GUARD_TIME_1_16: |
| 423 | deb_getf("GUARD_INTERVAL_1_16 "); |
| 424 | ofdm->guard_interval = GUARD_INTERVAL_1_16; |
| 425 | break; |
| 426 | case DIB3000_GUARD_TIME_1_8: |
| 427 | deb_getf("GUARD_INTERVAL_1_8 "); |
| 428 | ofdm->guard_interval = GUARD_INTERVAL_1_8; |
| 429 | break; |
| 430 | case DIB3000_GUARD_TIME_1_4: |
| 431 | deb_getf("GUARD_INTERVAL_1_4 "); |
| 432 | ofdm->guard_interval = GUARD_INTERVAL_1_4; |
| 433 | break; |
| 434 | default: |
| 435 | err("Unexpected Guard Time returned by TPS (%d)", tps_val); |
| 436 | break; |
| 437 | } |
| 438 | |
| 439 | switch (DIB3000MC_TP_FFT(tps_val)) { |
| 440 | case DIB3000_TRANSMISSION_MODE_2K: |
| 441 | deb_getf("TRANSMISSION_MODE_2K "); |
| 442 | ofdm->transmission_mode = TRANSMISSION_MODE_2K; |
| 443 | break; |
| 444 | case DIB3000_TRANSMISSION_MODE_8K: |
| 445 | deb_getf("TRANSMISSION_MODE_8K "); |
| 446 | ofdm->transmission_mode = TRANSMISSION_MODE_8K; |
| 447 | break; |
| 448 | default: |
| 449 | err("unexpected transmission mode return by TPS (%d)", tps_val); |
| 450 | break; |
| 451 | } |
| 452 | deb_getf("\n"); |
| 453 | |
| 454 | return 0; |
| 455 | } |
| 456 | |
| 457 | static int dib3000mc_set_frontend(struct dvb_frontend* fe, |
| 458 | struct dvb_frontend_parameters *fep, int tuner) |
| 459 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 460 | struct dib3000_state* state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | struct dvb_ofdm_parameters *ofdm = &fep->u.ofdm; |
| 462 | int search_state,auto_val; |
| 463 | u16 val; |
| 464 | |
Patrick Boettcher | dea7486 | 2006-05-14 05:01:31 -0300 | [diff] [blame] | 465 | if (tuner && fe->ops.tuner_ops.set_params) { /* initial call from dvb */ |
| 466 | fe->ops.tuner_ops.set_params(fe, fep); |
| 467 | if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | |
| 469 | state->last_tuned_freq = fep->frequency; |
| 470 | // if (!scanboost) { |
| 471 | dib3000mc_set_timing(state,0,ofdm->transmission_mode,ofdm->bandwidth); |
| 472 | dib3000mc_init_auto_scan(state, ofdm->bandwidth, 0); |
| 473 | state->last_tuned_bw = ofdm->bandwidth; |
| 474 | |
| 475 | wr_foreach(dib3000mc_reg_agc_bandwidth,dib3000mc_agc_bandwidth); |
| 476 | wr(DIB3000MC_REG_RESTART,DIB3000MC_RESTART_AGC); |
| 477 | wr(DIB3000MC_REG_RESTART,DIB3000MC_RESTART_OFF); |
| 478 | |
| 479 | /* Default cfg isi offset adp */ |
| 480 | wr_foreach(dib3000mc_reg_offset,dib3000mc_offset[0]); |
| 481 | |
| 482 | wr(DIB3000MC_REG_ISI,DIB3000MC_ISI_DEFAULT | DIB3000MC_ISI_INHIBIT); |
| 483 | dib3000mc_set_adp_cfg(state,ofdm->constellation); |
| 484 | wr(DIB3000MC_REG_UNK_133,DIB3000MC_UNK_133); |
| 485 | |
| 486 | wr_foreach(dib3000mc_reg_bandwidth_general,dib3000mc_bandwidth_general); |
| 487 | /* power smoothing */ |
| 488 | if (ofdm->bandwidth != BANDWIDTH_8_MHZ) { |
| 489 | wr_foreach(dib3000mc_reg_bw,dib3000mc_bw[0]); |
| 490 | } else { |
| 491 | wr_foreach(dib3000mc_reg_bw,dib3000mc_bw[3]); |
| 492 | } |
| 493 | auto_val = 0; |
| 494 | dib3000mc_set_general_cfg(state,fep,&auto_val); |
| 495 | dib3000mc_set_impulse_noise(state,0,ofdm->constellation,ofdm->bandwidth); |
| 496 | |
| 497 | val = rd(DIB3000MC_REG_DEMOD_PARM); |
| 498 | wr(DIB3000MC_REG_DEMOD_PARM,val|DIB3000MC_DEMOD_RST_DEMOD_ON); |
| 499 | wr(DIB3000MC_REG_DEMOD_PARM,val); |
| 500 | // } |
| 501 | msleep(70); |
| 502 | |
| 503 | /* something has to be auto searched */ |
| 504 | if (auto_val) { |
| 505 | int as_count=0; |
| 506 | |
| 507 | deb_setf("autosearch enabled.\n"); |
| 508 | |
| 509 | val = rd(DIB3000MC_REG_DEMOD_PARM); |
| 510 | wr(DIB3000MC_REG_DEMOD_PARM,val | DIB3000MC_DEMOD_RST_AUTO_SRCH_ON); |
| 511 | wr(DIB3000MC_REG_DEMOD_PARM,val); |
| 512 | |
| 513 | while ((search_state = dib3000_search_status( |
| 514 | rd(DIB3000MC_REG_AS_IRQ),1)) < 0 && as_count++ < 100) |
| 515 | msleep(10); |
| 516 | |
| 517 | deb_info("search_state after autosearch %d after %d checks\n",search_state,as_count); |
| 518 | |
| 519 | if (search_state == 1) { |
| 520 | struct dvb_frontend_parameters feps; |
| 521 | if (dib3000mc_get_frontend(fe, &feps) == 0) { |
| 522 | deb_setf("reading tuning data from frontend succeeded.\n"); |
| 523 | return dib3000mc_set_frontend(fe, &feps, 0); |
| 524 | } |
| 525 | } |
| 526 | } else { |
| 527 | dib3000mc_set_impulse_noise(state,0,ofdm->transmission_mode,ofdm->bandwidth); |
| 528 | wr(DIB3000MC_REG_ISI,DIB3000MC_ISI_DEFAULT|DIB3000MC_ISI_ACTIVATE); |
| 529 | dib3000mc_set_adp_cfg(state,ofdm->constellation); |
| 530 | |
| 531 | /* set_offset_cfg */ |
| 532 | wr_foreach(dib3000mc_reg_offset, |
| 533 | dib3000mc_offset[(ofdm->transmission_mode == TRANSMISSION_MODE_8K)+1]); |
| 534 | } |
| 535 | } else { /* second call, after autosearch (fka: set_WithKnownParams) */ |
| 536 | // dib3000mc_set_timing(state,1,ofdm->transmission_mode,ofdm->bandwidth); |
| 537 | |
| 538 | auto_val = 0; |
| 539 | dib3000mc_set_general_cfg(state,fep,&auto_val); |
| 540 | if (auto_val) |
| 541 | deb_info("auto_val is true, even though an auto search was already performed.\n"); |
| 542 | |
| 543 | dib3000mc_set_impulse_noise(state,0,ofdm->constellation,ofdm->bandwidth); |
| 544 | |
| 545 | val = rd(DIB3000MC_REG_DEMOD_PARM); |
| 546 | wr(DIB3000MC_REG_DEMOD_PARM,val | DIB3000MC_DEMOD_RST_AUTO_SRCH_ON); |
| 547 | wr(DIB3000MC_REG_DEMOD_PARM,val); |
| 548 | |
| 549 | msleep(30); |
| 550 | |
| 551 | wr(DIB3000MC_REG_ISI,DIB3000MC_ISI_DEFAULT|DIB3000MC_ISI_ACTIVATE); |
| 552 | dib3000mc_set_adp_cfg(state,ofdm->constellation); |
| 553 | wr_foreach(dib3000mc_reg_offset, |
| 554 | dib3000mc_offset[(ofdm->transmission_mode == TRANSMISSION_MODE_8K)+1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 555 | } |
| 556 | return 0; |
| 557 | } |
| 558 | |
| 559 | static int dib3000mc_fe_init(struct dvb_frontend* fe, int mobile_mode) |
| 560 | { |
Johannes Stezenbach | 776338e | 2005-06-23 22:02:35 -0700 | [diff] [blame] | 561 | struct dib3000_state *state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 562 | deb_info("init start\n"); |
| 563 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | state->timing_offset = 0; |
| 565 | state->timing_offset_comp_done = 0; |
| 566 | |
| 567 | wr(DIB3000MC_REG_RESTART,DIB3000MC_RESTART_CONFIG); |
| 568 | wr(DIB3000MC_REG_RESTART,DIB3000MC_RESTART_OFF); |
| 569 | wr(DIB3000MC_REG_CLK_CFG_1,DIB3000MC_CLK_CFG_1_POWER_UP); |
| 570 | wr(DIB3000MC_REG_CLK_CFG_2,DIB3000MC_CLK_CFG_2_PUP_MOBILE); |
| 571 | wr(DIB3000MC_REG_CLK_CFG_3,DIB3000MC_CLK_CFG_3_POWER_UP); |
| 572 | wr(DIB3000MC_REG_CLK_CFG_7,DIB3000MC_CLK_CFG_7_INIT); |
| 573 | |
| 574 | wr(DIB3000MC_REG_RST_UNC,DIB3000MC_RST_UNC_OFF); |
| 575 | wr(DIB3000MC_REG_UNK_19,DIB3000MC_UNK_19); |
| 576 | |
| 577 | wr(33,5); |
| 578 | wr(36,81); |
| 579 | wr(DIB3000MC_REG_UNK_88,DIB3000MC_UNK_88); |
| 580 | |
| 581 | wr(DIB3000MC_REG_UNK_99,DIB3000MC_UNK_99); |
| 582 | wr(DIB3000MC_REG_UNK_111,DIB3000MC_UNK_111_PH_N_MODE_0); /* phase noise algo off */ |
| 583 | |
| 584 | /* mobile mode - portable reception */ |
| 585 | wr_foreach(dib3000mc_reg_mobile_mode,dib3000mc_mobile_mode[1]); |
| 586 | |
| 587 | /* TUNER_PANASONIC_ENV57H12D5: */ |
| 588 | wr_foreach(dib3000mc_reg_agc_bandwidth,dib3000mc_agc_bandwidth); |
| 589 | wr_foreach(dib3000mc_reg_agc_bandwidth_general,dib3000mc_agc_bandwidth_general); |
| 590 | wr_foreach(dib3000mc_reg_agc,dib3000mc_agc_tuner[1]); |
| 591 | |
| 592 | wr(DIB3000MC_REG_UNK_110,DIB3000MC_UNK_110); |
| 593 | wr(26,0x6680); |
| 594 | wr(DIB3000MC_REG_UNK_1,DIB3000MC_UNK_1); |
| 595 | wr(DIB3000MC_REG_UNK_2,DIB3000MC_UNK_2); |
| 596 | wr(DIB3000MC_REG_UNK_3,DIB3000MC_UNK_3); |
| 597 | wr(DIB3000MC_REG_SEQ_TPS,DIB3000MC_SEQ_TPS_DEFAULT); |
| 598 | |
| 599 | wr_foreach(dib3000mc_reg_bandwidth,dib3000mc_bandwidth_8mhz); |
| 600 | wr_foreach(dib3000mc_reg_bandwidth_general,dib3000mc_bandwidth_general); |
| 601 | |
| 602 | wr(DIB3000MC_REG_UNK_4,DIB3000MC_UNK_4); |
| 603 | |
| 604 | wr(DIB3000MC_REG_SET_DDS_FREQ_MSB,DIB3000MC_DDS_FREQ_MSB_INV_OFF); |
| 605 | wr(DIB3000MC_REG_SET_DDS_FREQ_LSB,DIB3000MC_DDS_FREQ_LSB); |
| 606 | |
| 607 | dib3000mc_set_timing(state,0,TRANSMISSION_MODE_8K,BANDWIDTH_8_MHZ); |
| 608 | // wr_foreach(dib3000mc_reg_timing_freq,dib3000mc_timing_freq[3]); |
| 609 | |
| 610 | wr(DIB3000MC_REG_UNK_120,DIB3000MC_UNK_120); |
| 611 | wr(DIB3000MC_REG_UNK_134,DIB3000MC_UNK_134); |
| 612 | wr(DIB3000MC_REG_FEC_CFG,DIB3000MC_FEC_CFG); |
| 613 | |
| 614 | wr(DIB3000MC_REG_DIVERSITY3,DIB3000MC_DIVERSITY3_IN_OFF); |
| 615 | |
| 616 | dib3000mc_set_impulse_noise(state,0,TRANSMISSION_MODE_8K,BANDWIDTH_8_MHZ); |
| 617 | |
| 618 | /* output mode control, just the MPEG2_SLAVE */ |
| 619 | // set_or(DIB3000MC_REG_OUTMODE,DIB3000MC_OM_SLAVE); |
| 620 | wr(DIB3000MC_REG_OUTMODE,DIB3000MC_OM_SLAVE); |
| 621 | wr(DIB3000MC_REG_SMO_MODE,DIB3000MC_SMO_MODE_SLAVE); |
| 622 | wr(DIB3000MC_REG_FIFO_THRESHOLD,DIB3000MC_FIFO_THRESHOLD_SLAVE); |
| 623 | wr(DIB3000MC_REG_ELEC_OUT,DIB3000MC_ELEC_OUT_SLAVE); |
| 624 | |
| 625 | /* MPEG2_PARALLEL_CONTINUOUS_CLOCK |
| 626 | wr(DIB3000MC_REG_OUTMODE, |
| 627 | DIB3000MC_SET_OUTMODE(DIB3000MC_OM_PAR_CONT_CLK, |
| 628 | rd(DIB3000MC_REG_OUTMODE))); |
| 629 | |
| 630 | wr(DIB3000MC_REG_SMO_MODE, |
| 631 | DIB3000MC_SMO_MODE_DEFAULT | |
| 632 | DIB3000MC_SMO_MODE_188); |
| 633 | |
| 634 | wr(DIB3000MC_REG_FIFO_THRESHOLD,DIB3000MC_FIFO_THRESHOLD_DEFAULT); |
| 635 | wr(DIB3000MC_REG_ELEC_OUT,DIB3000MC_ELEC_OUT_DIV_OUT_ON); |
| 636 | */ |
| 637 | |
| 638 | /* diversity */ |
| 639 | wr(DIB3000MC_REG_DIVERSITY1,DIB3000MC_DIVERSITY1_DEFAULT); |
| 640 | wr(DIB3000MC_REG_DIVERSITY2,DIB3000MC_DIVERSITY2_DEFAULT); |
| 641 | |
| 642 | set_and(DIB3000MC_REG_DIVERSITY3,DIB3000MC_DIVERSITY3_IN_OFF); |
| 643 | |
| 644 | set_or(DIB3000MC_REG_CLK_CFG_7,DIB3000MC_CLK_CFG_7_DIV_IN_OFF); |
| 645 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 646 | deb_info("init end\n"); |
| 647 | return 0; |
| 648 | } |
| 649 | static int dib3000mc_read_status(struct dvb_frontend* fe, fe_status_t *stat) |
| 650 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 651 | struct dib3000_state* state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 652 | u16 lock = rd(DIB3000MC_REG_LOCKING); |
| 653 | |
| 654 | *stat = 0; |
| 655 | if (DIB3000MC_AGC_LOCK(lock)) |
| 656 | *stat |= FE_HAS_SIGNAL; |
| 657 | if (DIB3000MC_CARRIER_LOCK(lock)) |
| 658 | *stat |= FE_HAS_CARRIER; |
| 659 | if (DIB3000MC_TPS_LOCK(lock)) |
| 660 | *stat |= FE_HAS_VITERBI; |
| 661 | if (DIB3000MC_MPEG_SYNC_LOCK(lock)) |
| 662 | *stat |= (FE_HAS_SYNC | FE_HAS_LOCK); |
| 663 | |
| 664 | deb_stat("actual status is %2x fifo_level: %x,244: %x, 206: %x, 207: %x, 1040: %x\n",*stat,rd(510),rd(244),rd(206),rd(207),rd(1040)); |
| 665 | |
| 666 | return 0; |
| 667 | } |
| 668 | |
| 669 | static int dib3000mc_read_ber(struct dvb_frontend* fe, u32 *ber) |
| 670 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 671 | struct dib3000_state* state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 672 | *ber = ((rd(DIB3000MC_REG_BER_MSB) << 16) | rd(DIB3000MC_REG_BER_LSB)); |
| 673 | return 0; |
| 674 | } |
| 675 | |
| 676 | static int dib3000mc_read_unc_blocks(struct dvb_frontend* fe, u32 *unc) |
| 677 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 678 | struct dib3000_state* state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 679 | |
Johannes Stezenbach | 776338e | 2005-06-23 22:02:35 -0700 | [diff] [blame] | 680 | *unc = rd(DIB3000MC_REG_PACKET_ERRORS); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | return 0; |
| 682 | } |
| 683 | |
| 684 | /* see dib3000mb.c for calculation comments */ |
| 685 | static int dib3000mc_read_signal_strength(struct dvb_frontend* fe, u16 *strength) |
| 686 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 687 | struct dib3000_state* state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 688 | u16 val = rd(DIB3000MC_REG_SIGNAL_NOISE_LSB); |
| 689 | *strength = (((val >> 6) & 0xff) << 8) + (val & 0x3f); |
| 690 | |
| 691 | deb_stat("signal: mantisse = %d, exponent = %d\n",(*strength >> 8) & 0xff, *strength & 0xff); |
| 692 | return 0; |
| 693 | } |
| 694 | |
| 695 | /* see dib3000mb.c for calculation comments */ |
| 696 | static int dib3000mc_read_snr(struct dvb_frontend* fe, u16 *snr) |
| 697 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 698 | struct dib3000_state* state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | u16 val = rd(DIB3000MC_REG_SIGNAL_NOISE_LSB), |
| 700 | val2 = rd(DIB3000MC_REG_SIGNAL_NOISE_MSB); |
| 701 | u16 sig,noise; |
| 702 | |
| 703 | sig = (((val >> 6) & 0xff) << 8) + (val & 0x3f); |
| 704 | noise = (((val >> 4) & 0xff) << 8) + ((val & 0xf) << 2) + ((val2 >> 14) & 0x3); |
| 705 | if (noise == 0) |
| 706 | *snr = 0xffff; |
| 707 | else |
| 708 | *snr = (u16) sig/noise; |
| 709 | |
| 710 | deb_stat("signal: mantisse = %d, exponent = %d\n",(sig >> 8) & 0xff, sig & 0xff); |
| 711 | deb_stat("noise: mantisse = %d, exponent = %d\n",(noise >> 8) & 0xff, noise & 0xff); |
| 712 | deb_stat("snr: %d\n",*snr); |
| 713 | return 0; |
| 714 | } |
| 715 | |
| 716 | static int dib3000mc_sleep(struct dvb_frontend* fe) |
| 717 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 718 | struct dib3000_state* state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 719 | |
| 720 | set_or(DIB3000MC_REG_CLK_CFG_7,DIB3000MC_CLK_CFG_7_PWR_DOWN); |
| 721 | wr(DIB3000MC_REG_CLK_CFG_1,DIB3000MC_CLK_CFG_1_POWER_DOWN); |
| 722 | wr(DIB3000MC_REG_CLK_CFG_2,DIB3000MC_CLK_CFG_2_POWER_DOWN); |
| 723 | wr(DIB3000MC_REG_CLK_CFG_3,DIB3000MC_CLK_CFG_3_POWER_DOWN); |
| 724 | return 0; |
| 725 | } |
| 726 | |
| 727 | static int dib3000mc_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune) |
| 728 | { |
Johannes Stezenbach | 776338e | 2005-06-23 22:02:35 -0700 | [diff] [blame] | 729 | tune->min_delay_ms = 1000; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 730 | return 0; |
| 731 | } |
| 732 | |
| 733 | static int dib3000mc_fe_init_nonmobile(struct dvb_frontend* fe) |
| 734 | { |
| 735 | return dib3000mc_fe_init(fe, 0); |
| 736 | } |
| 737 | |
| 738 | static int dib3000mc_set_frontend_and_tuner(struct dvb_frontend* fe, struct dvb_frontend_parameters *fep) |
| 739 | { |
| 740 | return dib3000mc_set_frontend(fe, fep, 1); |
| 741 | } |
| 742 | |
| 743 | static void dib3000mc_release(struct dvb_frontend* fe) |
| 744 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 745 | struct dib3000_state *state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 746 | kfree(state); |
| 747 | } |
| 748 | |
| 749 | /* pid filter and transfer stuff */ |
| 750 | static int dib3000mc_pid_control(struct dvb_frontend *fe,int index, int pid,int onoff) |
| 751 | { |
| 752 | struct dib3000_state *state = fe->demodulator_priv; |
| 753 | pid = (onoff ? pid | DIB3000_ACTIVATE_PID_FILTERING : 0); |
| 754 | wr(index+DIB3000MC_REG_FIRST_PID,pid); |
| 755 | return 0; |
| 756 | } |
| 757 | |
| 758 | static int dib3000mc_fifo_control(struct dvb_frontend *fe, int onoff) |
| 759 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 760 | struct dib3000_state *state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 761 | u16 tmp = rd(DIB3000MC_REG_SMO_MODE); |
| 762 | |
| 763 | deb_xfer("%s fifo\n",onoff ? "enabling" : "disabling"); |
| 764 | |
| 765 | if (onoff) { |
| 766 | deb_xfer("%d %x\n",tmp & DIB3000MC_SMO_MODE_FIFO_UNFLUSH,tmp & DIB3000MC_SMO_MODE_FIFO_UNFLUSH); |
| 767 | wr(DIB3000MC_REG_SMO_MODE,tmp & DIB3000MC_SMO_MODE_FIFO_UNFLUSH); |
| 768 | } else { |
| 769 | deb_xfer("%d %x\n",tmp | DIB3000MC_SMO_MODE_FIFO_FLUSH,tmp | DIB3000MC_SMO_MODE_FIFO_FLUSH); |
| 770 | wr(DIB3000MC_REG_SMO_MODE,tmp | DIB3000MC_SMO_MODE_FIFO_FLUSH); |
| 771 | } |
| 772 | return 0; |
| 773 | } |
| 774 | |
| 775 | static int dib3000mc_pid_parse(struct dvb_frontend *fe, int onoff) |
| 776 | { |
| 777 | struct dib3000_state *state = fe->demodulator_priv; |
| 778 | u16 tmp = rd(DIB3000MC_REG_SMO_MODE); |
| 779 | |
| 780 | deb_xfer("%s pid parsing\n",onoff ? "enabling" : "disabling"); |
| 781 | |
| 782 | if (onoff) { |
| 783 | wr(DIB3000MC_REG_SMO_MODE,tmp | DIB3000MC_SMO_MODE_PID_PARSE); |
| 784 | } else { |
| 785 | wr(DIB3000MC_REG_SMO_MODE,tmp & DIB3000MC_SMO_MODE_NO_PID_PARSE); |
| 786 | } |
| 787 | return 0; |
| 788 | } |
| 789 | |
| 790 | static int dib3000mc_tuner_pass_ctrl(struct dvb_frontend *fe, int onoff, u8 pll_addr) |
| 791 | { |
Johannes Stezenbach | b874270 | 2005-05-16 21:54:31 -0700 | [diff] [blame] | 792 | struct dib3000_state *state = fe->demodulator_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 793 | if (onoff) { |
| 794 | wr(DIB3000MC_REG_TUNER, DIB3000_TUNER_WRITE_ENABLE(pll_addr)); |
| 795 | } else { |
| 796 | wr(DIB3000MC_REG_TUNER, DIB3000_TUNER_WRITE_DISABLE(pll_addr)); |
| 797 | } |
| 798 | return 0; |
| 799 | } |
| 800 | |
| 801 | static int dib3000mc_demod_init(struct dib3000_state *state) |
| 802 | { |
| 803 | u16 default_addr = 0x0a; |
| 804 | /* first init */ |
| 805 | if (state->config.demod_address != default_addr) { |
| 806 | deb_info("initializing the demod the first time. Setting demod addr to 0x%x\n",default_addr); |
| 807 | wr(DIB3000MC_REG_ELEC_OUT,DIB3000MC_ELEC_OUT_DIV_OUT_ON); |
| 808 | wr(DIB3000MC_REG_OUTMODE,DIB3000MC_OM_PAR_CONT_CLK); |
| 809 | |
| 810 | wr(DIB3000MC_REG_RST_I2C_ADDR, |
| 811 | DIB3000MC_DEMOD_ADDR(default_addr) | |
| 812 | DIB3000MC_DEMOD_ADDR_ON); |
| 813 | |
| 814 | state->config.demod_address = default_addr; |
| 815 | |
| 816 | wr(DIB3000MC_REG_RST_I2C_ADDR, |
| 817 | DIB3000MC_DEMOD_ADDR(default_addr)); |
| 818 | } else |
| 819 | deb_info("demod is already initialized. Demod addr: 0x%x\n",state->config.demod_address); |
| 820 | return 0; |
| 821 | } |
| 822 | |
| 823 | |
| 824 | static struct dvb_frontend_ops dib3000mc_ops; |
| 825 | |
| 826 | struct dvb_frontend* dib3000mc_attach(const struct dib3000_config* config, |
| 827 | struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops) |
| 828 | { |
| 829 | struct dib3000_state* state = NULL; |
| 830 | u16 devid; |
| 831 | |
| 832 | /* allocate memory for the internal state */ |
Panagiotis Issaris | 7408187 | 2006-01-11 19:40:56 -0200 | [diff] [blame] | 833 | state = kzalloc(sizeof(struct dib3000_state), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 834 | if (state == NULL) |
| 835 | goto error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 836 | |
| 837 | /* setup the state */ |
| 838 | state->i2c = i2c; |
| 839 | memcpy(&state->config,config,sizeof(struct dib3000_config)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 840 | |
| 841 | /* check for the correct demod */ |
| 842 | if (rd(DIB3000_REG_MANUFACTOR_ID) != DIB3000_I2C_ID_DIBCOM) |
| 843 | goto error; |
| 844 | |
| 845 | devid = rd(DIB3000_REG_DEVICE_ID); |
| 846 | if (devid != DIB3000MC_DEVICE_ID && devid != DIB3000P_DEVICE_ID) |
| 847 | goto error; |
| 848 | |
| 849 | switch (devid) { |
| 850 | case DIB3000MC_DEVICE_ID: |
| 851 | info("Found a DiBcom 3000M-C, interesting..."); |
| 852 | break; |
| 853 | case DIB3000P_DEVICE_ID: |
| 854 | info("Found a DiBcom 3000P."); |
| 855 | break; |
| 856 | } |
| 857 | |
| 858 | /* create dvb_frontend */ |
Patrick Boettcher | dea7486 | 2006-05-14 05:01:31 -0300 | [diff] [blame] | 859 | memcpy(&state->frontend.ops, &dib3000mc_ops, sizeof(struct dvb_frontend_ops)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 860 | state->frontend.demodulator_priv = state; |
| 861 | |
| 862 | /* set the xfer operations */ |
| 863 | xfer_ops->pid_parse = dib3000mc_pid_parse; |
| 864 | xfer_ops->fifo_ctrl = dib3000mc_fifo_control; |
| 865 | xfer_ops->pid_ctrl = dib3000mc_pid_control; |
| 866 | xfer_ops->tuner_pass_ctrl = dib3000mc_tuner_pass_ctrl; |
| 867 | |
| 868 | dib3000mc_demod_init(state); |
| 869 | |
| 870 | return &state->frontend; |
| 871 | |
| 872 | error: |
| 873 | kfree(state); |
| 874 | return NULL; |
| 875 | } |
Patrick Boettcher | dea7486 | 2006-05-14 05:01:31 -0300 | [diff] [blame] | 876 | EXPORT_SYMBOL(dib3000mc_attach); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 877 | |
| 878 | static struct dvb_frontend_ops dib3000mc_ops = { |
| 879 | |
| 880 | .info = { |
| 881 | .name = "DiBcom 3000P/M-C DVB-T", |
| 882 | .type = FE_OFDM, |
| 883 | .frequency_min = 44250000, |
| 884 | .frequency_max = 867250000, |
| 885 | .frequency_stepsize = 62500, |
| 886 | .caps = FE_CAN_INVERSION_AUTO | |
| 887 | FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | |
| 888 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | |
| 889 | FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | |
| 890 | FE_CAN_TRANSMISSION_MODE_AUTO | |
| 891 | FE_CAN_GUARD_INTERVAL_AUTO | |
| 892 | FE_CAN_RECOVER | |
| 893 | FE_CAN_HIERARCHY_AUTO, |
| 894 | }, |
| 895 | |
| 896 | .release = dib3000mc_release, |
| 897 | |
| 898 | .init = dib3000mc_fe_init_nonmobile, |
| 899 | .sleep = dib3000mc_sleep, |
| 900 | |
| 901 | .set_frontend = dib3000mc_set_frontend_and_tuner, |
| 902 | .get_frontend = dib3000mc_get_frontend, |
| 903 | .get_tune_settings = dib3000mc_fe_get_tune_settings, |
| 904 | |
| 905 | .read_status = dib3000mc_read_status, |
| 906 | .read_ber = dib3000mc_read_ber, |
| 907 | .read_signal_strength = dib3000mc_read_signal_strength, |
| 908 | .read_snr = dib3000mc_read_snr, |
| 909 | .read_ucblocks = dib3000mc_read_unc_blocks, |
| 910 | }; |
| 911 | |
| 912 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 913 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 914 | MODULE_LICENSE("GPL"); |