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/slab.h> 22#include <linux/module.h> 23#include <linux/dvb/frontend.h> 24#include <asm/types.h> 25 26#include "dvb-pll.h" 27 28struct dvb_pll_priv { 29 /* pll number */ 30 int nr; 31 32 /* i2c details */ 33 int pll_i2c_address; 34 struct i2c_adapter *i2c; 35 36 /* the PLL descriptor */ 37 struct dvb_pll_desc *pll_desc; 38 39 /* cached frequency/bandwidth */ 40 u32 frequency; 41 u32 bandwidth; 42}; 43 44#define DVB_PLL_MAX 64 45 46static unsigned int dvb_pll_devcount; 47 48static int debug; 49module_param(debug, int, 0644); 50MODULE_PARM_DESC(debug, "enable verbose debug messages"); 51 52static unsigned int id[DVB_PLL_MAX] = 53 { [ 0 ... (DVB_PLL_MAX-1) ] = DVB_PLL_UNDEFINED }; 54module_param_array(id, int, NULL, 0644); 55MODULE_PARM_DESC(id, "force pll id to use (DEBUG ONLY)"); 56 57/* ----------------------------------------------------------- */ 58 59struct dvb_pll_desc { 60 char *name; 61 u32 min; 62 u32 max; 63 u32 iffreq; 64 void (*set)(struct dvb_frontend *fe, u8 *buf); 65 u8 *initdata; 66 u8 *initdata2; 67 u8 *sleepdata; 68 int count; 69 struct { 70 u32 limit; 71 u32 stepsize; 72 u8 config; 73 u8 cb; 74 } entries[12]; 75}; 76 77/* ----------------------------------------------------------- */ 78/* descriptions */ 79 80static struct dvb_pll_desc dvb_pll_thomson_dtt7579 = { 81 .name = "Thomson dtt7579", 82 .min = 177000000, 83 .max = 858000000, 84 .iffreq= 36166667, 85 .sleepdata = (u8[]){ 2, 0xb4, 0x03 }, 86 .count = 4, 87 .entries = { 88 { 443250000, 166667, 0xb4, 0x02 }, 89 { 542000000, 166667, 0xb4, 0x08 }, 90 { 771000000, 166667, 0xbc, 0x08 }, 91 { 999999999, 166667, 0xf4, 0x08 }, 92 }, 93}; 94 95static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf) 96{ 97 u32 bw = fe->dtv_property_cache.bandwidth_hz; 98 if (bw == 7000000) 99 buf[3] |= 0x10; 100} 101 102static struct dvb_pll_desc dvb_pll_thomson_dtt759x = { 103 .name = "Thomson dtt759x", 104 .min = 177000000, 105 .max = 896000000, 106 .set = thomson_dtt759x_bw, 107 .iffreq= 36166667, 108 .sleepdata = (u8[]){ 2, 0x84, 0x03 }, 109 .count = 5, 110 .entries = { 111 { 264000000, 166667, 0xb4, 0x02 }, 112 { 470000000, 166667, 0xbc, 0x02 }, 113 { 735000000, 166667, 0xbc, 0x08 }, 114 { 835000000, 166667, 0xf4, 0x08 }, 115 { 999999999, 166667, 0xfc, 0x08 }, 116 }, 117}; 118 119static struct dvb_pll_desc dvb_pll_lg_z201 = { 120 .name = "LG z201", 121 .min = 174000000, 122 .max = 862000000, 123 .iffreq= 36166667, 124 .sleepdata = (u8[]){ 2, 0xbc, 0x03 }, 125 .count = 5, 126 .entries = { 127 { 157500000, 166667, 0xbc, 0x01 }, 128 { 443250000, 166667, 0xbc, 0x02 }, 129 { 542000000, 166667, 0xbc, 0x04 }, 130 { 830000000, 166667, 0xf4, 0x04 }, 131 { 999999999, 166667, 0xfc, 0x04 }, 132 }, 133}; 134 135static struct dvb_pll_desc dvb_pll_unknown_1 = { 136 .name = "unknown 1", /* used by dntv live dvb-t */ 137 .min = 174000000, 138 .max = 862000000, 139 .iffreq= 36166667, 140 .count = 9, 141 .entries = { 142 { 150000000, 166667, 0xb4, 0x01 }, 143 { 173000000, 166667, 0xbc, 0x01 }, 144 { 250000000, 166667, 0xb4, 0x02 }, 145 { 400000000, 166667, 0xbc, 0x02 }, 146 { 420000000, 166667, 0xf4, 0x02 }, 147 { 470000000, 166667, 0xfc, 0x02 }, 148 { 600000000, 166667, 0xbc, 0x08 }, 149 { 730000000, 166667, 0xf4, 0x08 }, 150 { 999999999, 166667, 0xfc, 0x08 }, 151 }, 152}; 153 154/* Infineon TUA6010XS 155 * used in Thomson Cable Tuner 156 */ 157static struct dvb_pll_desc dvb_pll_tua6010xs = { 158 .name = "Infineon TUA6010XS", 159 .min = 44250000, 160 .max = 858000000, 161 .iffreq= 36125000, 162 .count = 3, 163 .entries = { 164 { 115750000, 62500, 0x8e, 0x03 }, 165 { 403250000, 62500, 0x8e, 0x06 }, 166 { 999999999, 62500, 0x8e, 0x85 }, 167 }, 168}; 169 170/* Panasonic env57h1xd5 (some Philips PLL ?) */ 171static struct dvb_pll_desc dvb_pll_env57h1xd5 = { 172 .name = "Panasonic ENV57H1XD5", 173 .min = 44250000, 174 .max = 858000000, 175 .iffreq= 36125000, 176 .count = 4, 177 .entries = { 178 { 153000000, 166667, 0xc2, 0x41 }, 179 { 470000000, 166667, 0xc2, 0x42 }, 180 { 526000000, 166667, 0xc2, 0x84 }, 181 { 999999999, 166667, 0xc2, 0xa4 }, 182 }, 183}; 184 185/* Philips TDA6650/TDA6651 186 * used in Panasonic ENV77H11D5 187 */ 188static void tda665x_bw(struct dvb_frontend *fe, u8 *buf) 189{ 190 u32 bw = fe->dtv_property_cache.bandwidth_hz; 191 if (bw == 8000000) 192 buf[3] |= 0x08; 193} 194 195static struct dvb_pll_desc dvb_pll_tda665x = { 196 .name = "Philips TDA6650/TDA6651", 197 .min = 44250000, 198 .max = 858000000, 199 .set = tda665x_bw, 200 .iffreq= 36166667, 201 .initdata = (u8[]){ 4, 0x0b, 0xf5, 0x85, 0xab }, 202 .count = 12, 203 .entries = { 204 { 93834000, 166667, 0xca, 0x61 /* 011 0 0 0 01 */ }, 205 { 123834000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, 206 { 161000000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, 207 { 163834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, 208 { 253834000, 166667, 0xca, 0x62 /* 011 0 0 0 10 */ }, 209 { 383834000, 166667, 0xca, 0xa2 /* 101 0 0 0 10 */ }, 210 { 443834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, 211 { 444000000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, 212 { 583834000, 166667, 0xca, 0x64 /* 011 0 0 1 00 */ }, 213 { 793834000, 166667, 0xca, 0xa4 /* 101 0 0 1 00 */ }, 214 { 444834000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, 215 { 861000000, 166667, 0xca, 0xe4 /* 111 0 0 1 00 */ }, 216 } 217}; 218 219/* Infineon TUA6034 220 * used in LG TDTP E102P 221 */ 222static void tua6034_bw(struct dvb_frontend *fe, u8 *buf) 223{ 224 u32 bw = fe->dtv_property_cache.bandwidth_hz; 225 if (bw == 7000000) 226 buf[3] |= 0x08; 227} 228 229static struct dvb_pll_desc dvb_pll_tua6034 = { 230 .name = "Infineon TUA6034", 231 .min = 44250000, 232 .max = 858000000, 233 .iffreq= 36166667, 234 .count = 3, 235 .set = tua6034_bw, 236 .entries = { 237 { 174500000, 62500, 0xce, 0x01 }, 238 { 230000000, 62500, 0xce, 0x02 }, 239 { 999999999, 62500, 0xce, 0x04 }, 240 }, 241}; 242 243/* ALPS TDED4 244 * used in Nebula-Cards and USB boxes 245 */ 246static void tded4_bw(struct dvb_frontend *fe, u8 *buf) 247{ 248 u32 bw = fe->dtv_property_cache.bandwidth_hz; 249 if (bw == 8000000) 250 buf[3] |= 0x04; 251} 252 253static struct dvb_pll_desc dvb_pll_tded4 = { 254 .name = "ALPS TDED4", 255 .min = 47000000, 256 .max = 863000000, 257 .iffreq= 36166667, 258 .set = tded4_bw, 259 .count = 4, 260 .entries = { 261 { 153000000, 166667, 0x85, 0x01 }, 262 { 470000000, 166667, 0x85, 0x02 }, 263 { 823000000, 166667, 0x85, 0x08 }, 264 { 999999999, 166667, 0x85, 0x88 }, 265 } 266}; 267 268/* ALPS TDHU2 269 * used in AverTVHD MCE A180 270 */ 271static struct dvb_pll_desc dvb_pll_tdhu2 = { 272 .name = "ALPS TDHU2", 273 .min = 54000000, 274 .max = 864000000, 275 .iffreq= 44000000, 276 .count = 4, 277 .entries = { 278 { 162000000, 62500, 0x85, 0x01 }, 279 { 426000000, 62500, 0x85, 0x02 }, 280 { 782000000, 62500, 0x85, 0x08 }, 281 { 999999999, 62500, 0x85, 0x88 }, 282 } 283}; 284 285/* Samsung TBMV30111IN / TBMV30712IN1 286 * used in Air2PC ATSC - 2nd generation (nxt2002) 287 */ 288static struct dvb_pll_desc dvb_pll_samsung_tbmv = { 289 .name = "Samsung TBMV30111IN / TBMV30712IN1", 290 .min = 54000000, 291 .max = 860000000, 292 .iffreq= 44000000, 293 .count = 6, 294 .entries = { 295 { 172000000, 166667, 0xb4, 0x01 }, 296 { 214000000, 166667, 0xb4, 0x02 }, 297 { 467000000, 166667, 0xbc, 0x02 }, 298 { 721000000, 166667, 0xbc, 0x08 }, 299 { 841000000, 166667, 0xf4, 0x08 }, 300 { 999999999, 166667, 0xfc, 0x02 }, 301 } 302}; 303 304/* 305 * Philips SD1878 Tuner. 306 */ 307static struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = { 308 .name = "Philips SD1878", 309 .min = 950000, 310 .max = 2150000, 311 .iffreq= 249, /* zero-IF, offset 249 is to round up */ 312 .count = 4, 313 .entries = { 314 { 1250000, 500, 0xc4, 0x00}, 315 { 1450000, 500, 0xc4, 0x40}, 316 { 2050000, 500, 0xc4, 0x80}, 317 { 2150000, 500, 0xc4, 0xc0}, 318 }, 319}; 320 321static void opera1_bw(struct dvb_frontend *fe, u8 *buf) 322{ 323 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 324 struct dvb_pll_priv *priv = fe->tuner_priv; 325 u32 b_w = (c->symbol_rate * 27) / 32000; 326 struct i2c_msg msg = { 327 .addr = priv->pll_i2c_address, 328 .flags = 0, 329 .buf = buf, 330 .len = 4 331 }; 332 int result; 333 u8 lpf; 334 335 if (fe->ops.i2c_gate_ctrl) 336 fe->ops.i2c_gate_ctrl(fe, 1); 337 338 result = i2c_transfer(priv->i2c, &msg, 1); 339 if (result != 1) 340 printk(KERN_ERR "%s: i2c_transfer failed:%d", 341 __func__, result); 342 343 if (b_w <= 10000) 344 lpf = 0xc; 345 else if (b_w <= 12000) 346 lpf = 0x2; 347 else if (b_w <= 14000) 348 lpf = 0xa; 349 else if (b_w <= 16000) 350 lpf = 0x6; 351 else if (b_w <= 18000) 352 lpf = 0xe; 353 else if (b_w <= 20000) 354 lpf = 0x1; 355 else if (b_w <= 22000) 356 lpf = 0x9; 357 else if (b_w <= 24000) 358 lpf = 0x5; 359 else if (b_w <= 26000) 360 lpf = 0xd; 361 else if (b_w <= 28000) 362 lpf = 0x3; 363 else 364 lpf = 0xb; 365 buf[2] ^= 0x1c; /* Flip bits 3-5 */ 366 /* Set lpf */ 367 buf[2] |= ((lpf >> 2) & 0x3) << 3; 368 buf[3] |= (lpf & 0x3) << 2; 369 370 return; 371} 372 373static struct dvb_pll_desc dvb_pll_opera1 = { 374 .name = "Opera Tuner", 375 .min = 900000, 376 .max = 2250000, 377 .initdata = (u8[]){ 4, 0x08, 0xe5, 0xe1, 0x00 }, 378 .initdata2 = (u8[]){ 4, 0x08, 0xe5, 0xe5, 0x00 }, 379 .iffreq= 0, 380 .set = opera1_bw, 381 .count = 8, 382 .entries = { 383 { 1064000, 500, 0xf9, 0xc2 }, 384 { 1169000, 500, 0xf9, 0xe2 }, 385 { 1299000, 500, 0xf9, 0x20 }, 386 { 1444000, 500, 0xf9, 0x40 }, 387 { 1606000, 500, 0xf9, 0x60 }, 388 { 1777000, 500, 0xf9, 0x80 }, 389 { 1941000, 500, 0xf9, 0xa0 }, 390 { 2250000, 500, 0xf9, 0xc0 }, 391 } 392}; 393 394static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf) 395{ 396 struct dvb_pll_priv *priv = fe->tuner_priv; 397 struct i2c_msg msg = { 398 .addr = priv->pll_i2c_address, 399 .flags = 0, 400 .buf = buf, 401 .len = 4 402 }; 403 int result; 404 405 if (fe->ops.i2c_gate_ctrl) 406 fe->ops.i2c_gate_ctrl(fe, 1); 407 408 result = i2c_transfer(priv->i2c, &msg, 1); 409 if (result != 1) 410 printk(KERN_ERR "%s: i2c_transfer failed:%d", 411 __func__, result); 412 413 buf[2] = 0x9e; 414 buf[3] = 0x90; 415 416 return; 417} 418 419/* unknown pll used in Samsung DTOS403IH102A DVB-C tuner */ 420static struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = { 421 .name = "Samsung DTOS403IH102A", 422 .min = 44250000, 423 .max = 858000000, 424 .iffreq = 36125000, 425 .count = 8, 426 .set = samsung_dtos403ih102a_set, 427 .entries = { 428 { 135000000, 62500, 0xbe, 0x01 }, 429 { 177000000, 62500, 0xf6, 0x01 }, 430 { 370000000, 62500, 0xbe, 0x02 }, 431 { 450000000, 62500, 0xf6, 0x02 }, 432 { 466000000, 62500, 0xfe, 0x02 }, 433 { 538000000, 62500, 0xbe, 0x08 }, 434 { 826000000, 62500, 0xf6, 0x08 }, 435 { 999999999, 62500, 0xfe, 0x08 }, 436 } 437}; 438 439/* Samsung TDTC9251DH0 DVB-T NIM, as used on AirStar 2 */ 440static struct dvb_pll_desc dvb_pll_samsung_tdtc9251dh0 = { 441 .name = "Samsung TDTC9251DH0", 442 .min = 48000000, 443 .max = 863000000, 444 .iffreq = 36166667, 445 .count = 3, 446 .entries = { 447 { 157500000, 166667, 0xcc, 0x09 }, 448 { 443000000, 166667, 0xcc, 0x0a }, 449 { 863000000, 166667, 0xcc, 0x08 }, 450 } 451}; 452 453/* Samsung TBDU18132 DVB-S NIM with TSA5059 PLL, used in SkyStar2 DVB-S 2.3 */ 454static struct dvb_pll_desc dvb_pll_samsung_tbdu18132 = { 455 .name = "Samsung TBDU18132", 456 .min = 950000, 457 .max = 2150000, /* guesses */ 458 .iffreq = 0, 459 .count = 2, 460 .entries = { 461 { 1550000, 125, 0x84, 0x82 }, 462 { 4095937, 125, 0x84, 0x80 }, 463 } 464 /* TSA5059 PLL has a 17 bit divisor rather than the 15 bits supported 465 * by this driver. The two extra bits are 0x60 in the third byte. 15 466 * bits is enough for over 4 GHz, which is enough to cover the range 467 * of this tuner. We could use the additional divisor bits by adding 468 * more entries, e.g. 469 { 0x0ffff * 125 + 125/2, 125, 0x84 | 0x20, }, 470 { 0x17fff * 125 + 125/2, 125, 0x84 | 0x40, }, 471 { 0x1ffff * 125 + 125/2, 125, 0x84 | 0x60, }, */ 472}; 473 474/* Samsung TBMU24112 DVB-S NIM with SL1935 zero-IF tuner */ 475static struct dvb_pll_desc dvb_pll_samsung_tbmu24112 = { 476 .name = "Samsung TBMU24112", 477 .min = 950000, 478 .max = 2150000, /* guesses */ 479 .iffreq = 0, 480 .count = 2, 481 .entries = { 482 { 1500000, 125, 0x84, 0x18 }, 483 { 9999999, 125, 0x84, 0x08 }, 484 } 485}; 486 487/* Alps TDEE4 DVB-C NIM, used on Cablestar 2 */ 488/* byte 4 : 1 * * AGD R3 R2 R1 R0 489 * byte 5 : C1 * RE RTS BS4 BS3 BS2 BS1 490 * AGD = 1, R3 R2 R1 R0 = 0 1 0 1 => byte 4 = 1**10101 = 0x95 491 * Range(MHz) C1 * RE RTS BS4 BS3 BS2 BS1 Byte 5 492 * 47 - 153 0 * 0 0 0 0 0 1 0x01 493 * 153 - 430 0 * 0 0 0 0 1 0 0x02 494 * 430 - 822 0 * 0 0 1 0 0 0 0x08 495 * 822 - 862 1 * 0 0 1 0 0 0 0x88 */ 496static struct dvb_pll_desc dvb_pll_alps_tdee4 = { 497 .name = "ALPS TDEE4", 498 .min = 47000000, 499 .max = 862000000, 500 .iffreq = 36125000, 501 .count = 4, 502 .entries = { 503 { 153000000, 62500, 0x95, 0x01 }, 504 { 430000000, 62500, 0x95, 0x02 }, 505 { 822000000, 62500, 0x95, 0x08 }, 506 { 999999999, 62500, 0x95, 0x88 }, 507 } 508}; 509 510/* ----------------------------------------------------------- */ 511 512static struct dvb_pll_desc *pll_list[] = { 513 [DVB_PLL_UNDEFINED] = NULL, 514 [DVB_PLL_THOMSON_DTT7579] = &dvb_pll_thomson_dtt7579, 515 [DVB_PLL_THOMSON_DTT759X] = &dvb_pll_thomson_dtt759x, 516 [DVB_PLL_LG_Z201] = &dvb_pll_lg_z201, 517 [DVB_PLL_UNKNOWN_1] = &dvb_pll_unknown_1, 518 [DVB_PLL_TUA6010XS] = &dvb_pll_tua6010xs, 519 [DVB_PLL_ENV57H1XD5] = &dvb_pll_env57h1xd5, 520 [DVB_PLL_TUA6034] = &dvb_pll_tua6034, 521 [DVB_PLL_TDA665X] = &dvb_pll_tda665x, 522 [DVB_PLL_TDED4] = &dvb_pll_tded4, 523 [DVB_PLL_TDEE4] = &dvb_pll_alps_tdee4, 524 [DVB_PLL_TDHU2] = &dvb_pll_tdhu2, 525 [DVB_PLL_SAMSUNG_TBMV] = &dvb_pll_samsung_tbmv, 526 [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261, 527 [DVB_PLL_OPERA1] = &dvb_pll_opera1, 528 [DVB_PLL_SAMSUNG_DTOS403IH102A] = &dvb_pll_samsung_dtos403ih102a, 529 [DVB_PLL_SAMSUNG_TDTC9251DH0] = &dvb_pll_samsung_tdtc9251dh0, 530 [DVB_PLL_SAMSUNG_TBDU18132] = &dvb_pll_samsung_tbdu18132, 531 [DVB_PLL_SAMSUNG_TBMU24112] = &dvb_pll_samsung_tbmu24112, 532}; 533 534/* ----------------------------------------------------------- */ 535/* code */ 536 537static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf, 538 const u32 frequency) 539{ 540 struct dvb_pll_priv *priv = fe->tuner_priv; 541 struct dvb_pll_desc *desc = priv->pll_desc; 542 u32 div; 543 int i; 544 545 if (frequency && (frequency < desc->min || frequency > desc->max)) 546 return -EINVAL; 547 548 for (i = 0; i < desc->count; i++) { 549 if (frequency > desc->entries[i].limit) 550 continue; 551 break; 552 } 553 554 if (debug) 555 printk("pll: %s: freq=%d | i=%d/%d\n", desc->name, 556 frequency, i, desc->count); 557 if (i == desc->count) 558 return -EINVAL; 559 560 div = (frequency + desc->iffreq + 561 desc->entries[i].stepsize/2) / desc->entries[i].stepsize; 562 buf[0] = div >> 8; 563 buf[1] = div & 0xff; 564 buf[2] = desc->entries[i].config; 565 buf[3] = desc->entries[i].cb; 566 567 if (desc->set) 568 desc->set(fe, buf); 569 570 if (debug) 571 printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", 572 desc->name, div, buf[0], buf[1], buf[2], buf[3]); 573 574 // calculate the frequency we set it to 575 return (div * desc->entries[i].stepsize) - desc->iffreq; 576} 577 578static int dvb_pll_release(struct dvb_frontend *fe) 579{ 580 kfree(fe->tuner_priv); 581 fe->tuner_priv = NULL; 582 return 0; 583} 584 585static int dvb_pll_sleep(struct dvb_frontend *fe) 586{ 587 struct dvb_pll_priv *priv = fe->tuner_priv; 588 589 if (priv->i2c == NULL) 590 return -EINVAL; 591 592 if (priv->pll_desc->sleepdata) { 593 struct i2c_msg msg = { .flags = 0, 594 .addr = priv->pll_i2c_address, 595 .buf = priv->pll_desc->sleepdata + 1, 596 .len = priv->pll_desc->sleepdata[0] }; 597 598 int result; 599 600 if (fe->ops.i2c_gate_ctrl) 601 fe->ops.i2c_gate_ctrl(fe, 1); 602 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 603 return result; 604 } 605 return 0; 606 } 607 /* Shouldn't be called when initdata is NULL, maybe BUG()? */ 608 return -EINVAL; 609} 610 611static int dvb_pll_set_params(struct dvb_frontend *fe) 612{ 613 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 614 struct dvb_pll_priv *priv = fe->tuner_priv; 615 u8 buf[4]; 616 struct i2c_msg msg = 617 { .addr = priv->pll_i2c_address, .flags = 0, 618 .buf = buf, .len = sizeof(buf) }; 619 int result; 620 u32 frequency = 0; 621 622 if (priv->i2c == NULL) 623 return -EINVAL; 624 625 result = dvb_pll_configure(fe, buf, c->frequency); 626 if (result < 0) 627 return result; 628 else 629 frequency = result; 630 631 if (fe->ops.i2c_gate_ctrl) 632 fe->ops.i2c_gate_ctrl(fe, 1); 633 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 634 return result; 635 } 636 637 priv->frequency = frequency; 638 priv->bandwidth = c->bandwidth_hz; 639 640 return 0; 641} 642 643static int dvb_pll_calc_regs(struct dvb_frontend *fe, 644 u8 *buf, int buf_len) 645{ 646 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 647 struct dvb_pll_priv *priv = fe->tuner_priv; 648 int result; 649 u32 frequency = 0; 650 651 if (buf_len < 5) 652 return -EINVAL; 653 654 result = dvb_pll_configure(fe, buf + 1, c->frequency); 655 if (result < 0) 656 return result; 657 else 658 frequency = result; 659 660 buf[0] = priv->pll_i2c_address; 661 662 priv->frequency = frequency; 663 priv->bandwidth = c->bandwidth_hz; 664 665 return 5; 666} 667 668static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency) 669{ 670 struct dvb_pll_priv *priv = fe->tuner_priv; 671 *frequency = priv->frequency; 672 return 0; 673} 674 675static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) 676{ 677 struct dvb_pll_priv *priv = fe->tuner_priv; 678 *bandwidth = priv->bandwidth; 679 return 0; 680} 681 682static int dvb_pll_init(struct dvb_frontend *fe) 683{ 684 struct dvb_pll_priv *priv = fe->tuner_priv; 685 686 if (priv->i2c == NULL) 687 return -EINVAL; 688 689 if (priv->pll_desc->initdata) { 690 struct i2c_msg msg = { .flags = 0, 691 .addr = priv->pll_i2c_address, 692 .buf = priv->pll_desc->initdata + 1, 693 .len = priv->pll_desc->initdata[0] }; 694 695 int result; 696 if (fe->ops.i2c_gate_ctrl) 697 fe->ops.i2c_gate_ctrl(fe, 1); 698 result = i2c_transfer(priv->i2c, &msg, 1); 699 if (result != 1) 700 return result; 701 if (priv->pll_desc->initdata2) { 702 msg.buf = priv->pll_desc->initdata2 + 1; 703 msg.len = priv->pll_desc->initdata2[0]; 704 if (fe->ops.i2c_gate_ctrl) 705 fe->ops.i2c_gate_ctrl(fe, 1); 706 result = i2c_transfer(priv->i2c, &msg, 1); 707 if (result != 1) 708 return result; 709 } 710 return 0; 711 } 712 /* Shouldn't be called when initdata is NULL, maybe BUG()? */ 713 return -EINVAL; 714} 715 716static struct dvb_tuner_ops dvb_pll_tuner_ops = { 717 .release = dvb_pll_release, 718 .sleep = dvb_pll_sleep, 719 .init = dvb_pll_init, 720 .set_params = dvb_pll_set_params, 721 .calc_regs = dvb_pll_calc_regs, 722 .get_frequency = dvb_pll_get_frequency, 723 .get_bandwidth = dvb_pll_get_bandwidth, 724}; 725 726struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, 727 struct i2c_adapter *i2c, 728 unsigned int pll_desc_id) 729{ 730 u8 b1 [] = { 0 }; 731 struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, 732 .buf = b1, .len = 1 }; 733 struct dvb_pll_priv *priv = NULL; 734 int ret; 735 struct dvb_pll_desc *desc; 736 737 if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) && 738 (id[dvb_pll_devcount] < ARRAY_SIZE(pll_list))) 739 pll_desc_id = id[dvb_pll_devcount]; 740 741 BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list)); 742 743 desc = pll_list[pll_desc_id]; 744 745 if (i2c != NULL) { 746 if (fe->ops.i2c_gate_ctrl) 747 fe->ops.i2c_gate_ctrl(fe, 1); 748 749 ret = i2c_transfer (i2c, &msg, 1); 750 if (ret != 1) 751 return NULL; 752 if (fe->ops.i2c_gate_ctrl) 753 fe->ops.i2c_gate_ctrl(fe, 0); 754 } 755 756 priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL); 757 if (priv == NULL) 758 return NULL; 759 760 priv->pll_i2c_address = pll_addr; 761 priv->i2c = i2c; 762 priv->pll_desc = desc; 763 priv->nr = dvb_pll_devcount++; 764 765 memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, 766 sizeof(struct dvb_tuner_ops)); 767 768 strncpy(fe->ops.tuner_ops.info.name, desc->name, 769 sizeof(fe->ops.tuner_ops.info.name)); 770 fe->ops.tuner_ops.info.frequency_min = desc->min; 771 fe->ops.tuner_ops.info.frequency_max = desc->max; 772 if (!desc->initdata) 773 fe->ops.tuner_ops.init = NULL; 774 if (!desc->sleepdata) 775 fe->ops.tuner_ops.sleep = NULL; 776 777 fe->tuner_priv = priv; 778 779 if ((debug) || (id[priv->nr] == pll_desc_id)) { 780 printk("dvb-pll[%d]", priv->nr); 781 if (i2c != NULL) 782 printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr); 783 printk(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name, 784 id[priv->nr] == pll_desc_id ? 785 "insmod option" : "autodetected"); 786 } 787 788 return fe; 789} 790EXPORT_SYMBOL(dvb_pll_attach); 791 792MODULE_DESCRIPTION("dvb pll library"); 793MODULE_AUTHOR("Gerd Knorr"); 794MODULE_LICENSE("GPL"); 795