dvb-pll.c revision a27e5e769e46626052fc18ff63f274ee97142bab
1/* 2 * descriptions + helper functions for simple dvb plls. 3 * 4 * (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19 */ 20 21#include <linux/module.h> 22#include <linux/dvb/frontend.h> 23#include <asm/types.h> 24 25#include "dvb-pll.h" 26 27struct dvb_pll_desc { 28 char *name; 29 u32 min; 30 u32 max; 31 u32 iffreq; 32 void (*set)(struct dvb_frontend *fe, u8 *buf, 33 const struct dvb_frontend_parameters *params); 34 u8 *initdata; 35 u8 *sleepdata; 36 int count; 37 struct { 38 u32 limit; 39 u32 stepsize; 40 u8 config; 41 u8 cb; 42 } entries[12]; 43}; 44 45/* ----------------------------------------------------------- */ 46/* descriptions */ 47 48/* Set AGC TOP value to 103 dBuV: 49 0x80 = Control Byte 50 0x40 = 250 uA charge pump (irrelevant) 51 0x18 = Aux Byte to follow 52 0x06 = 64.5 kHz divider (irrelevant) 53 0x01 = Disable Vt (aka sleep) 54 55 0x00 = AGC Time constant 2s Iagc = 300 nA (vs 0x80 = 9 nA) 56 0x50 = AGC Take over point = 103 dBuV */ 57static u8 tua603x_agc103[] = { 2, 0x80|0x40|0x18|0x06|0x01, 0x00|0x50 }; 58 59/* 0x04 = 166.67 kHz divider 60 61 0x80 = AGC Time constant 50ms Iagc = 9 uA 62 0x20 = AGC Take over point = 112 dBuV */ 63static u8 tua603x_agc112[] = { 2, 0x80|0x40|0x18|0x04|0x01, 0x80|0x20 }; 64 65static struct dvb_pll_desc dvb_pll_thomson_dtt7579 = { 66 .name = "Thomson dtt7579", 67 .min = 177000000, 68 .max = 858000000, 69 .iffreq= 36166667, 70 .sleepdata = (u8[]){ 2, 0xb4, 0x03 }, 71 .count = 4, 72 .entries = { 73 { 443250000, 166667, 0xb4, 0x02 }, 74 { 542000000, 166667, 0xb4, 0x08 }, 75 { 771000000, 166667, 0xbc, 0x08 }, 76 { 999999999, 166667, 0xf4, 0x08 }, 77 }, 78}; 79 80static struct dvb_pll_desc dvb_pll_thomson_dtt7610 = { 81 .name = "Thomson dtt7610", 82 .min = 44000000, 83 .max = 958000000, 84 .iffreq= 44000000, 85 .count = 3, 86 .entries = { 87 { 157250000, 62500, 0x8e, 0x39 }, 88 { 454000000, 62500, 0x8e, 0x3a }, 89 { 999999999, 62500, 0x8e, 0x3c }, 90 }, 91}; 92 93static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf, 94 const struct dvb_frontend_parameters *params) 95{ 96 if (BANDWIDTH_7_MHZ == params->u.ofdm.bandwidth) 97 buf[3] |= 0x10; 98} 99 100static struct dvb_pll_desc dvb_pll_thomson_dtt759x = { 101 .name = "Thomson dtt759x", 102 .min = 177000000, 103 .max = 896000000, 104 .set = thomson_dtt759x_bw, 105 .iffreq= 36166667, 106 .sleepdata = (u8[]){ 2, 0x84, 0x03 }, 107 .count = 5, 108 .entries = { 109 { 264000000, 166667, 0xb4, 0x02 }, 110 { 470000000, 166667, 0xbc, 0x02 }, 111 { 735000000, 166667, 0xbc, 0x08 }, 112 { 835000000, 166667, 0xf4, 0x08 }, 113 { 999999999, 166667, 0xfc, 0x08 }, 114 }, 115}; 116 117static struct dvb_pll_desc dvb_pll_lg_z201 = { 118 .name = "LG z201", 119 .min = 174000000, 120 .max = 862000000, 121 .iffreq= 36166667, 122 .sleepdata = (u8[]){ 2, 0xbc, 0x03 }, 123 .count = 5, 124 .entries = { 125 { 157500000, 166667, 0xbc, 0x01 }, 126 { 443250000, 166667, 0xbc, 0x02 }, 127 { 542000000, 166667, 0xbc, 0x04 }, 128 { 830000000, 166667, 0xf4, 0x04 }, 129 { 999999999, 166667, 0xfc, 0x04 }, 130 }, 131}; 132 133static struct dvb_pll_desc dvb_pll_microtune_4042 = { 134 .name = "Microtune 4042 FI5", 135 .min = 57000000, 136 .max = 858000000, 137 .iffreq= 44000000, 138 .count = 3, 139 .entries = { 140 { 162000000, 62500, 0x8e, 0xa1 }, 141 { 457000000, 62500, 0x8e, 0x91 }, 142 { 999999999, 62500, 0x8e, 0x31 }, 143 }, 144}; 145 146static struct dvb_pll_desc dvb_pll_thomson_dtt761x = { 147 /* DTT 7611 7611A 7612 7613 7613A 7614 7615 7615A */ 148 .name = "Thomson dtt761x", 149 .min = 57000000, 150 .max = 863000000, 151 .iffreq= 44000000, 152 .count = 3, 153 .initdata = tua603x_agc103, 154 .entries = { 155 { 147000000, 62500, 0x8e, 0x39 }, 156 { 417000000, 62500, 0x8e, 0x3a }, 157 { 999999999, 62500, 0x8e, 0x3c }, 158 }, 159}; 160 161static struct dvb_pll_desc dvb_pll_unknown_1 = { 162 .name = "unknown 1", /* used by dntv live dvb-t */ 163 .min = 174000000, 164 .max = 862000000, 165 .iffreq= 36166667, 166 .count = 9, 167 .entries = { 168 { 150000000, 166667, 0xb4, 0x01 }, 169 { 173000000, 166667, 0xbc, 0x01 }, 170 { 250000000, 166667, 0xb4, 0x02 }, 171 { 400000000, 166667, 0xbc, 0x02 }, 172 { 420000000, 166667, 0xf4, 0x02 }, 173 { 470000000, 166667, 0xfc, 0x02 }, 174 { 600000000, 166667, 0xbc, 0x08 }, 175 { 730000000, 166667, 0xf4, 0x08 }, 176 { 999999999, 166667, 0xfc, 0x08 }, 177 }, 178}; 179 180/* Infineon TUA6010XS 181 * used in Thomson Cable Tuner 182 */ 183static struct dvb_pll_desc dvb_pll_tua6010xs = { 184 .name = "Infineon TUA6010XS", 185 .min = 44250000, 186 .max = 858000000, 187 .iffreq= 36125000, 188 .count = 3, 189 .entries = { 190 { 115750000, 62500, 0x8e, 0x03 }, 191 { 403250000, 62500, 0x8e, 0x06 }, 192 { 999999999, 62500, 0x8e, 0x85 }, 193 }, 194}; 195 196/* Panasonic env57h1xd5 (some Philips PLL ?) */ 197static struct dvb_pll_desc dvb_pll_env57h1xd5 = { 198 .name = "Panasonic ENV57H1XD5", 199 .min = 44250000, 200 .max = 858000000, 201 .iffreq= 36125000, 202 .count = 4, 203 .entries = { 204 { 153000000, 166667, 0xc2, 0x41 }, 205 { 470000000, 166667, 0xc2, 0x42 }, 206 { 526000000, 166667, 0xc2, 0x84 }, 207 { 999999999, 166667, 0xc2, 0xa4 }, 208 }, 209}; 210 211/* Philips TDA6650/TDA6651 212 * used in Panasonic ENV77H11D5 213 */ 214static void tda665x_bw(struct dvb_frontend *fe, u8 *buf, 215 const struct dvb_frontend_parameters *params) 216{ 217 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) 218 buf[3] |= 0x08; 219} 220 221static struct dvb_pll_desc dvb_pll_tda665x = { 222 .name = "Philips TDA6650/TDA6651", 223 .min = 44250000, 224 .max = 858000000, 225 .set = tda665x_bw, 226 .iffreq= 36166667, 227 .initdata = (u8[]){ 4, 0x0b, 0xf5, 0x85, 0xab }, 228 .count = 12, 229 .entries = { 230 { 93834000, 166667, 0xca, 0x61 /* 011 0 0 0 01 */ }, 231 { 123834000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, 232 { 161000000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, 233 { 163834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, 234 { 253834000, 166667, 0xca, 0x62 /* 011 0 0 0 10 */ }, 235 { 383834000, 166667, 0xca, 0xa2 /* 101 0 0 0 10 */ }, 236 { 443834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, 237 { 444000000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, 238 { 583834000, 166667, 0xca, 0x64 /* 011 0 0 1 00 */ }, 239 { 793834000, 166667, 0xca, 0xa4 /* 101 0 0 1 00 */ }, 240 { 444834000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, 241 { 861000000, 166667, 0xca, 0xe4 /* 111 0 0 1 00 */ }, 242 } 243}; 244 245/* Infineon TUA6034 246 * used in LG TDTP E102P 247 */ 248static void tua6034_bw(struct dvb_frontend *fe, u8 *buf, 249 const struct dvb_frontend_parameters *params) 250{ 251 if (BANDWIDTH_7_MHZ != params->u.ofdm.bandwidth) 252 buf[3] |= 0x08; 253} 254 255static struct dvb_pll_desc dvb_pll_tua6034 = { 256 .name = "Infineon TUA6034", 257 .min = 44250000, 258 .max = 858000000, 259 .iffreq= 36166667, 260 .count = 3, 261 .set = tua6034_bw, 262 .entries = { 263 { 174500000, 62500, 0xce, 0x01 }, 264 { 230000000, 62500, 0xce, 0x02 }, 265 { 999999999, 62500, 0xce, 0x04 }, 266 }, 267}; 268 269/* Infineon TUA6034 270 * used in LG TDVS-H061F, LG TDVS-H062F and LG TDVS-H064F 271 */ 272static struct dvb_pll_desc dvb_pll_lg_tdvs_h06xf = { 273 .name = "LG TDVS-H06xF", 274 .min = 54000000, 275 .max = 863000000, 276 .iffreq= 44000000, 277 .initdata = tua603x_agc103, 278 .count = 3, 279 .entries = { 280 { 165000000, 62500, 0xce, 0x01 }, 281 { 450000000, 62500, 0xce, 0x02 }, 282 { 999999999, 62500, 0xce, 0x04 }, 283 }, 284}; 285 286/* Philips FMD1216ME 287 * used in Medion Hybrid PCMCIA card and USB Box 288 */ 289static void fmd1216me_bw(struct dvb_frontend *fe, u8 *buf, 290 const struct dvb_frontend_parameters *params) 291{ 292 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ && 293 params->frequency >= 158870000) 294 buf[3] |= 0x08; 295} 296 297static struct dvb_pll_desc dvb_pll_fmd1216me = { 298 .name = "Philips FMD1216ME", 299 .min = 50870000, 300 .max = 858000000, 301 .iffreq= 36125000, 302 .set = fmd1216me_bw, 303 .initdata = tua603x_agc112, 304 .sleepdata = (u8[]){ 4, 0x9c, 0x60, 0x85, 0x54 }, 305 .count = 7, 306 .entries = { 307 { 143870000, 166667, 0xbc, 0x41 }, 308 { 158870000, 166667, 0xf4, 0x41 }, 309 { 329870000, 166667, 0xbc, 0x42 }, 310 { 441870000, 166667, 0xf4, 0x42 }, 311 { 625870000, 166667, 0xbc, 0x44 }, 312 { 803870000, 166667, 0xf4, 0x44 }, 313 { 999999999, 166667, 0xfc, 0x44 }, 314 } 315}; 316 317/* ALPS TDED4 318 * used in Nebula-Cards and USB boxes 319 */ 320static void tded4_bw(struct dvb_frontend *fe, u8 *buf, 321 const struct dvb_frontend_parameters *params) 322{ 323 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) 324 buf[3] |= 0x04; 325} 326 327static struct dvb_pll_desc dvb_pll_tded4 = { 328 .name = "ALPS TDED4", 329 .min = 47000000, 330 .max = 863000000, 331 .iffreq= 36166667, 332 .set = tded4_bw, 333 .count = 4, 334 .entries = { 335 { 153000000, 166667, 0x85, 0x01 }, 336 { 470000000, 166667, 0x85, 0x02 }, 337 { 823000000, 166667, 0x85, 0x08 }, 338 { 999999999, 166667, 0x85, 0x88 }, 339 } 340}; 341 342/* ALPS TDHU2 343 * used in AverTVHD MCE A180 344 */ 345static struct dvb_pll_desc dvb_pll_tdhu2 = { 346 .name = "ALPS TDHU2", 347 .min = 54000000, 348 .max = 864000000, 349 .iffreq= 44000000, 350 .count = 4, 351 .entries = { 352 { 162000000, 62500, 0x85, 0x01 }, 353 { 426000000, 62500, 0x85, 0x02 }, 354 { 782000000, 62500, 0x85, 0x08 }, 355 { 999999999, 62500, 0x85, 0x88 }, 356 } 357}; 358 359/* Philips TUV1236D 360 * used in ATI HDTV Wonder 361 */ 362static void tuv1236d_rf(struct dvb_frontend *fe, u8 *buf, 363 const struct dvb_frontend_parameters *params) 364{ 365 switch (params->u.vsb.modulation) { 366 case QAM_64: 367 case QAM_256: 368 buf[3] |= 0x08; 369 break; 370 case VSB_8: 371 default: 372 buf[3] &= ~0x08; 373 } 374} 375 376static struct dvb_pll_desc dvb_pll_tuv1236d = { 377 .name = "Philips TUV1236D", 378 .min = 54000000, 379 .max = 864000000, 380 .iffreq= 44000000, 381 .set = tuv1236d_rf, 382 .count = 3, 383 .entries = { 384 { 157250000, 62500, 0xc6, 0x41 }, 385 { 454000000, 62500, 0xc6, 0x42 }, 386 { 999999999, 62500, 0xc6, 0x44 }, 387 }, 388}; 389 390/* Samsung TBMV30111IN / TBMV30712IN1 391 * used in Air2PC ATSC - 2nd generation (nxt2002) 392 */ 393static struct dvb_pll_desc dvb_pll_samsung_tbmv = { 394 .name = "Samsung TBMV30111IN / TBMV30712IN1", 395 .min = 54000000, 396 .max = 860000000, 397 .iffreq= 44000000, 398 .count = 6, 399 .entries = { 400 { 172000000, 166667, 0xb4, 0x01 }, 401 { 214000000, 166667, 0xb4, 0x02 }, 402 { 467000000, 166667, 0xbc, 0x02 }, 403 { 721000000, 166667, 0xbc, 0x08 }, 404 { 841000000, 166667, 0xf4, 0x08 }, 405 { 999999999, 166667, 0xfc, 0x02 }, 406 } 407}; 408 409/* 410 * Philips SD1878 Tuner. 411 */ 412static struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = { 413 .name = "Philips SD1878", 414 .min = 950000, 415 .max = 2150000, 416 .iffreq= 249, /* zero-IF, offset 249 is to round up */ 417 .count = 4, 418 .entries = { 419 { 1250000, 500, 0xc4, 0x00}, 420 { 1550000, 500, 0xc4, 0x40}, 421 { 2050000, 500, 0xc4, 0x80}, 422 { 2150000, 500, 0xc4, 0xc0}, 423 }, 424}; 425 426/* 427 * Philips TD1316 Tuner. 428 */ 429static void td1316_bw(struct dvb_frontend *fe, u8 *buf, 430 const struct dvb_frontend_parameters *params) 431{ 432 u8 band; 433 434 /* determine band */ 435 if (params->frequency < 161000000) 436 band = 1; 437 else if (params->frequency < 444000000) 438 band = 2; 439 else 440 band = 4; 441 442 buf[3] |= band; 443 444 /* setup PLL filter */ 445 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) 446 buf[3] |= 1 << 3; 447} 448 449static struct dvb_pll_desc dvb_pll_philips_td1316 = { 450 .name = "Philips TD1316", 451 .min = 87000000, 452 .max = 895000000, 453 .iffreq= 36166667, 454 .set = td1316_bw, 455 .count = 9, 456 .entries = { 457 { 93834000, 166667, 0xca, 0x60}, 458 { 123834000, 166667, 0xca, 0xa0}, 459 { 163834000, 166667, 0xca, 0xc0}, 460 { 253834000, 166667, 0xca, 0x60}, 461 { 383834000, 166667, 0xca, 0xa0}, 462 { 443834000, 166667, 0xca, 0xc0}, 463 { 583834000, 166667, 0xca, 0x60}, 464 { 793834000, 166667, 0xca, 0xa0}, 465 { 858834000, 166667, 0xca, 0xe0}, 466 }, 467}; 468 469/* FE6600 used on DViCO Hybrid */ 470static struct dvb_pll_desc dvb_pll_thomson_fe6600 = { 471 .name = "Thomson FE6600", 472 .min = 44250000, 473 .max = 858000000, 474 .iffreq= 36125000, 475 .count = 4, 476 .entries = { 477 { 250000000, 166667, 0xb4, 0x12 }, 478 { 455000000, 166667, 0xfe, 0x11 }, 479 { 775500000, 166667, 0xbc, 0x18 }, 480 { 999999999, 166667, 0xf4, 0x18 }, 481 } 482}; 483 484static void opera1_bw(struct dvb_frontend *fe, u8 *buf, 485 const struct dvb_frontend_parameters *params) 486{ 487 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) 488 buf[2] |= 0x08; 489} 490 491static struct dvb_pll_desc dvb_pll_opera1 = { 492 .name = "Opera Tuner", 493 .min = 900000, 494 .max = 2250000, 495 .iffreq= 0, 496 .set = opera1_bw, 497 .count = 8, 498 .entries = { 499 { 1064000, 500, 0xe5, 0xc6 }, 500 { 1169000, 500, 0xe5, 0xe6 }, 501 { 1299000, 500, 0xe5, 0x24 }, 502 { 1444000, 500, 0xe5, 0x44 }, 503 { 1606000, 500, 0xe5, 0x64 }, 504 { 1777000, 500, 0xe5, 0x84 }, 505 { 1941000, 500, 0xe5, 0xa4 }, 506 { 2250000, 500, 0xe5, 0xc4 }, 507 } 508}; 509 510/* Philips FCV1236D 511 */ 512static struct dvb_pll_desc dvb_pll_fcv1236d = { 513/* Bit_0: RF Input select 514 * Bit_1: 0=digital, 1=analog 515 */ 516 .name = "Philips FCV1236D", 517 .min = 53000000, 518 .max = 803000000, 519 .iffreq= 44000000, 520 .count = 3, 521 .entries = { 522 { 159000000, 62500, 0x8e, 0xa0 }, 523 { 453000000, 62500, 0x8e, 0x90 }, 524 { 999999999, 62500, 0x8e, 0x30 }, 525 }, 526}; 527 528/* ----------------------------------------------------------- */ 529 530static struct dvb_pll_desc *pll_list[] = { 531 [DVB_PLL_UNDEFINED] = NULL, 532 [DVB_PLL_THOMSON_DTT7579] = &dvb_pll_thomson_dtt7579, 533 [DVB_PLL_THOMSON_DTT759X] = &dvb_pll_thomson_dtt759x, 534 [DVB_PLL_THOMSON_DTT7610] = &dvb_pll_thomson_dtt7610, 535 [DVB_PLL_LG_Z201] = &dvb_pll_lg_z201, 536 [DVB_PLL_MICROTUNE_4042] = &dvb_pll_microtune_4042, 537 [DVB_PLL_THOMSON_DTT761X] = &dvb_pll_thomson_dtt761x, 538 [DVB_PLL_UNKNOWN_1] = &dvb_pll_unknown_1, 539 [DVB_PLL_TUA6010XS] = &dvb_pll_tua6010xs, 540 [DVB_PLL_ENV57H1XD5] = &dvb_pll_env57h1xd5, 541 [DVB_PLL_TUA6034] = &dvb_pll_tua6034, 542 [DVB_PLL_LG_TDVS_H06XF] = &dvb_pll_lg_tdvs_h06xf, 543 [DVB_PLL_TDA665X] = &dvb_pll_tda665x, 544 [DVB_PLL_FMD1216ME] = &dvb_pll_fmd1216me, 545 [DVB_PLL_TDED4] = &dvb_pll_tded4, 546 [DVB_PLL_TUV1236D] = &dvb_pll_tuv1236d, 547 [DVB_PLL_TDHU2] = &dvb_pll_tdhu2, 548 [DVB_PLL_SAMSUNG_TBMV] = &dvb_pll_samsung_tbmv, 549 [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261, 550 [DVB_PLL_PHILIPS_TD1316] = &dvb_pll_philips_td1316, 551 [DVB_PLL_THOMSON_FE6600] = &dvb_pll_thomson_fe6600, 552 [DVB_PLL_OPERA1] = &dvb_pll_opera1, 553 [DVB_PLL_FCV1236D] = &dvb_pll_fcv1236d, 554}; 555 556/* ----------------------------------------------------------- */ 557 558struct dvb_pll_priv { 559 /* pll number */ 560 int nr; 561 562 /* i2c details */ 563 int pll_i2c_address; 564 struct i2c_adapter *i2c; 565 566 /* the PLL descriptor */ 567 struct dvb_pll_desc *pll_desc; 568 569 /* cached frequency/bandwidth */ 570 u32 frequency; 571 u32 bandwidth; 572}; 573 574/* ----------------------------------------------------------- */ 575/* code */ 576 577static int debug = 0; 578module_param(debug, int, 0644); 579MODULE_PARM_DESC(debug, "enable verbose debug messages"); 580 581static unsigned int dvb_pll_devcount; 582 583static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf, 584 const struct dvb_frontend_parameters *params) 585{ 586 struct dvb_pll_priv *priv = fe->tuner_priv; 587 struct dvb_pll_desc *desc = priv->pll_desc; 588 u32 div; 589 int i; 590 591 if (params->frequency != 0 && (params->frequency < desc->min || 592 params->frequency > desc->max)) 593 return -EINVAL; 594 595 for (i = 0; i < desc->count; i++) { 596 if (params->frequency > desc->entries[i].limit) 597 continue; 598 break; 599 } 600 601 if (debug) 602 printk("pll: %s: freq=%d | i=%d/%d\n", desc->name, 603 params->frequency, i, desc->count); 604 if (i == desc->count) 605 return -EINVAL; 606 607 div = (params->frequency + desc->iffreq + 608 desc->entries[i].stepsize/2) / desc->entries[i].stepsize; 609 buf[0] = div >> 8; 610 buf[1] = div & 0xff; 611 buf[2] = desc->entries[i].config; 612 buf[3] = desc->entries[i].cb; 613 614 if (desc->set) 615 desc->set(fe, buf, params); 616 617 if (debug) 618 printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", 619 desc->name, div, buf[0], buf[1], buf[2], buf[3]); 620 621 // calculate the frequency we set it to 622 return (div * desc->entries[i].stepsize) - desc->iffreq; 623} 624 625static int dvb_pll_release(struct dvb_frontend *fe) 626{ 627 kfree(fe->tuner_priv); 628 fe->tuner_priv = NULL; 629 return 0; 630} 631 632static int dvb_pll_sleep(struct dvb_frontend *fe) 633{ 634 struct dvb_pll_priv *priv = fe->tuner_priv; 635 636 if (priv->i2c == NULL) 637 return -EINVAL; 638 639 if (priv->pll_desc->sleepdata) { 640 struct i2c_msg msg = { .flags = 0, 641 .addr = priv->pll_i2c_address, 642 .buf = priv->pll_desc->sleepdata + 1, 643 .len = priv->pll_desc->sleepdata[0] }; 644 645 int result; 646 647 if (fe->ops.i2c_gate_ctrl) 648 fe->ops.i2c_gate_ctrl(fe, 1); 649 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 650 return result; 651 } 652 return 0; 653 } 654 /* Shouldn't be called when initdata is NULL, maybe BUG()? */ 655 return -EINVAL; 656} 657 658static int dvb_pll_set_params(struct dvb_frontend *fe, 659 struct dvb_frontend_parameters *params) 660{ 661 struct dvb_pll_priv *priv = fe->tuner_priv; 662 u8 buf[4]; 663 struct i2c_msg msg = 664 { .addr = priv->pll_i2c_address, .flags = 0, 665 .buf = buf, .len = sizeof(buf) }; 666 int result; 667 u32 frequency = 0; 668 669 if (priv->i2c == NULL) 670 return -EINVAL; 671 672 if ((result = dvb_pll_configure(fe, buf, params)) < 0) 673 return result; 674 else 675 frequency = result; 676 677 if (fe->ops.i2c_gate_ctrl) 678 fe->ops.i2c_gate_ctrl(fe, 1); 679 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 680 return result; 681 } 682 683 priv->frequency = frequency; 684 priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; 685 686 return 0; 687} 688 689static int dvb_pll_calc_regs(struct dvb_frontend *fe, 690 struct dvb_frontend_parameters *params, 691 u8 *buf, int buf_len) 692{ 693 struct dvb_pll_priv *priv = fe->tuner_priv; 694 int result; 695 u32 frequency = 0; 696 697 if (buf_len < 5) 698 return -EINVAL; 699 700 if ((result = dvb_pll_configure(fe, buf+1, params)) < 0) 701 return result; 702 else 703 frequency = result; 704 705 buf[0] = priv->pll_i2c_address; 706 707 priv->frequency = frequency; 708 priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; 709 710 return 5; 711} 712 713static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency) 714{ 715 struct dvb_pll_priv *priv = fe->tuner_priv; 716 *frequency = priv->frequency; 717 return 0; 718} 719 720static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) 721{ 722 struct dvb_pll_priv *priv = fe->tuner_priv; 723 *bandwidth = priv->bandwidth; 724 return 0; 725} 726 727static int dvb_pll_init(struct dvb_frontend *fe) 728{ 729 struct dvb_pll_priv *priv = fe->tuner_priv; 730 731 if (priv->i2c == NULL) 732 return -EINVAL; 733 734 if (priv->pll_desc->initdata) { 735 struct i2c_msg msg = { .flags = 0, 736 .addr = priv->pll_i2c_address, 737 .buf = priv->pll_desc->initdata + 1, 738 .len = priv->pll_desc->initdata[0] }; 739 740 int result; 741 if (fe->ops.i2c_gate_ctrl) 742 fe->ops.i2c_gate_ctrl(fe, 1); 743 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 744 return result; 745 } 746 return 0; 747 } 748 /* Shouldn't be called when initdata is NULL, maybe BUG()? */ 749 return -EINVAL; 750} 751 752static struct dvb_tuner_ops dvb_pll_tuner_ops = { 753 .release = dvb_pll_release, 754 .sleep = dvb_pll_sleep, 755 .init = dvb_pll_init, 756 .set_params = dvb_pll_set_params, 757 .calc_regs = dvb_pll_calc_regs, 758 .get_frequency = dvb_pll_get_frequency, 759 .get_bandwidth = dvb_pll_get_bandwidth, 760}; 761 762struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, 763 struct i2c_adapter *i2c, 764 unsigned int pll_desc_id) 765{ 766 u8 b1 [] = { 0 }; 767 struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, 768 .buf = b1, .len = 1 }; 769 struct dvb_pll_priv *priv = NULL; 770 int ret; 771 struct dvb_pll_desc *desc; 772 773 BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list)); 774 775 desc = pll_list[pll_desc_id]; 776 777 if (i2c != NULL) { 778 if (fe->ops.i2c_gate_ctrl) 779 fe->ops.i2c_gate_ctrl(fe, 1); 780 781 ret = i2c_transfer (i2c, &msg, 1); 782 if (ret != 1) 783 return NULL; 784 if (fe->ops.i2c_gate_ctrl) 785 fe->ops.i2c_gate_ctrl(fe, 0); 786 } 787 788 priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL); 789 if (priv == NULL) 790 return NULL; 791 792 priv->pll_i2c_address = pll_addr; 793 priv->i2c = i2c; 794 priv->pll_desc = desc; 795 priv->nr = dvb_pll_devcount++; 796 797 memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, 798 sizeof(struct dvb_tuner_ops)); 799 800 strncpy(fe->ops.tuner_ops.info.name, desc->name, 801 sizeof(fe->ops.tuner_ops.info.name)); 802 fe->ops.tuner_ops.info.frequency_min = desc->min; 803 fe->ops.tuner_ops.info.frequency_max = desc->max; 804 if (!desc->initdata) 805 fe->ops.tuner_ops.init = NULL; 806 if (!desc->sleepdata) 807 fe->ops.tuner_ops.sleep = NULL; 808 809 fe->tuner_priv = priv; 810 811 if (debug) { 812 printk("dvb-pll[%d]", priv->nr); 813 if (i2c != NULL) 814 printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr); 815 printk(": id# %d (%s) attached\n", pll_desc_id, desc->name); 816 } 817 818 return fe; 819} 820EXPORT_SYMBOL(dvb_pll_attach); 821 822MODULE_DESCRIPTION("dvb pll library"); 823MODULE_AUTHOR("Gerd Knorr"); 824MODULE_LICENSE("GPL"); 825