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 const struct dvb_frontend_parameters *params); 66 u8 *initdata; 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 const struct dvb_frontend_parameters *params) 97{ 98 if (BANDWIDTH_7_MHZ == params->u.ofdm.bandwidth) 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 const struct dvb_frontend_parameters *params) 190{ 191 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) 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 const struct dvb_frontend_parameters *params) 224{ 225 if (BANDWIDTH_7_MHZ != params->u.ofdm.bandwidth) 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 const struct dvb_frontend_parameters *params) 248{ 249 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) 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 const struct dvb_frontend_parameters *params) 323{ 324 if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) 325 buf[2] |= 0x08; 326} 327 328static struct dvb_pll_desc dvb_pll_opera1 = { 329 .name = "Opera Tuner", 330 .min = 900000, 331 .max = 2250000, 332 .iffreq= 0, 333 .set = opera1_bw, 334 .count = 8, 335 .entries = { 336 { 1064000, 500, 0xe5, 0xc6 }, 337 { 1169000, 500, 0xe5, 0xe6 }, 338 { 1299000, 500, 0xe5, 0x24 }, 339 { 1444000, 500, 0xe5, 0x44 }, 340 { 1606000, 500, 0xe5, 0x64 }, 341 { 1777000, 500, 0xe5, 0x84 }, 342 { 1941000, 500, 0xe5, 0xa4 }, 343 { 2250000, 500, 0xe5, 0xc4 }, 344 } 345}; 346 347static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf, 348 const struct dvb_frontend_parameters *params) 349{ 350 struct dvb_pll_priv *priv = fe->tuner_priv; 351 struct i2c_msg msg = { 352 .addr = priv->pll_i2c_address, 353 .flags = 0, 354 .buf = buf, 355 .len = 4 356 }; 357 int result; 358 359 if (fe->ops.i2c_gate_ctrl) 360 fe->ops.i2c_gate_ctrl(fe, 1); 361 362 result = i2c_transfer(priv->i2c, &msg, 1); 363 if (result != 1) 364 printk(KERN_ERR "%s: i2c_transfer failed:%d", 365 __func__, result); 366 367 buf[2] = 0x9e; 368 buf[3] = 0x90; 369 370 return; 371} 372 373/* unknown pll used in Samsung DTOS403IH102A DVB-C tuner */ 374static struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = { 375 .name = "Samsung DTOS403IH102A", 376 .min = 44250000, 377 .max = 858000000, 378 .iffreq = 36125000, 379 .count = 8, 380 .set = samsung_dtos403ih102a_set, 381 .entries = { 382 { 135000000, 62500, 0xbe, 0x01 }, 383 { 177000000, 62500, 0xf6, 0x01 }, 384 { 370000000, 62500, 0xbe, 0x02 }, 385 { 450000000, 62500, 0xf6, 0x02 }, 386 { 466000000, 62500, 0xfe, 0x02 }, 387 { 538000000, 62500, 0xbe, 0x08 }, 388 { 826000000, 62500, 0xf6, 0x08 }, 389 { 999999999, 62500, 0xfe, 0x08 }, 390 } 391}; 392 393/* Samsung TDTC9251DH0 DVB-T NIM, as used on AirStar 2 */ 394static struct dvb_pll_desc dvb_pll_samsung_tdtc9251dh0 = { 395 .name = "Samsung TDTC9251DH0", 396 .min = 48000000, 397 .max = 863000000, 398 .iffreq = 36166667, 399 .count = 3, 400 .entries = { 401 { 157500000, 166667, 0xcc, 0x09 }, 402 { 443000000, 166667, 0xcc, 0x0a }, 403 { 863000000, 166667, 0xcc, 0x08 }, 404 } 405}; 406 407/* Samsung TBDU18132 DVB-S NIM with TSA5059 PLL, used in SkyStar2 DVB-S 2.3 */ 408static struct dvb_pll_desc dvb_pll_samsung_tbdu18132 = { 409 .name = "Samsung TBDU18132", 410 .min = 950000, 411 .max = 2150000, /* guesses */ 412 .iffreq = 0, 413 .count = 2, 414 .entries = { 415 { 1550000, 125, 0x84, 0x82 }, 416 { 4095937, 125, 0x84, 0x80 }, 417 } 418 /* TSA5059 PLL has a 17 bit divisor rather than the 15 bits supported 419 * by this driver. The two extra bits are 0x60 in the third byte. 15 420 * bits is enough for over 4 GHz, which is enough to cover the range 421 * of this tuner. We could use the additional divisor bits by adding 422 * more entries, e.g. 423 { 0x0ffff * 125 + 125/2, 125, 0x84 | 0x20, }, 424 { 0x17fff * 125 + 125/2, 125, 0x84 | 0x40, }, 425 { 0x1ffff * 125 + 125/2, 125, 0x84 | 0x60, }, */ 426}; 427 428/* Samsung TBMU24112 DVB-S NIM with SL1935 zero-IF tuner */ 429static struct dvb_pll_desc dvb_pll_samsung_tbmu24112 = { 430 .name = "Samsung TBMU24112", 431 .min = 950000, 432 .max = 2150000, /* guesses */ 433 .iffreq = 0, 434 .count = 2, 435 .entries = { 436 { 1500000, 125, 0x84, 0x18 }, 437 { 9999999, 125, 0x84, 0x08 }, 438 } 439}; 440 441/* Alps TDEE4 DVB-C NIM, used on Cablestar 2 */ 442/* byte 4 : 1 * * AGD R3 R2 R1 R0 443 * byte 5 : C1 * RE RTS BS4 BS3 BS2 BS1 444 * AGD = 1, R3 R2 R1 R0 = 0 1 0 1 => byte 4 = 1**10101 = 0x95 445 * Range(MHz) C1 * RE RTS BS4 BS3 BS2 BS1 Byte 5 446 * 47 - 153 0 * 0 0 0 0 0 1 0x01 447 * 153 - 430 0 * 0 0 0 0 1 0 0x02 448 * 430 - 822 0 * 0 0 1 0 0 0 0x08 449 * 822 - 862 1 * 0 0 1 0 0 0 0x88 */ 450static struct dvb_pll_desc dvb_pll_alps_tdee4 = { 451 .name = "ALPS TDEE4", 452 .min = 47000000, 453 .max = 862000000, 454 .iffreq = 36125000, 455 .count = 4, 456 .entries = { 457 { 153000000, 62500, 0x95, 0x01 }, 458 { 430000000, 62500, 0x95, 0x02 }, 459 { 822000000, 62500, 0x95, 0x08 }, 460 { 999999999, 62500, 0x95, 0x88 }, 461 } 462}; 463 464/* ----------------------------------------------------------- */ 465 466static struct dvb_pll_desc *pll_list[] = { 467 [DVB_PLL_UNDEFINED] = NULL, 468 [DVB_PLL_THOMSON_DTT7579] = &dvb_pll_thomson_dtt7579, 469 [DVB_PLL_THOMSON_DTT759X] = &dvb_pll_thomson_dtt759x, 470 [DVB_PLL_LG_Z201] = &dvb_pll_lg_z201, 471 [DVB_PLL_UNKNOWN_1] = &dvb_pll_unknown_1, 472 [DVB_PLL_TUA6010XS] = &dvb_pll_tua6010xs, 473 [DVB_PLL_ENV57H1XD5] = &dvb_pll_env57h1xd5, 474 [DVB_PLL_TUA6034] = &dvb_pll_tua6034, 475 [DVB_PLL_TDA665X] = &dvb_pll_tda665x, 476 [DVB_PLL_TDED4] = &dvb_pll_tded4, 477 [DVB_PLL_TDEE4] = &dvb_pll_alps_tdee4, 478 [DVB_PLL_TDHU2] = &dvb_pll_tdhu2, 479 [DVB_PLL_SAMSUNG_TBMV] = &dvb_pll_samsung_tbmv, 480 [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261, 481 [DVB_PLL_OPERA1] = &dvb_pll_opera1, 482 [DVB_PLL_SAMSUNG_DTOS403IH102A] = &dvb_pll_samsung_dtos403ih102a, 483 [DVB_PLL_SAMSUNG_TDTC9251DH0] = &dvb_pll_samsung_tdtc9251dh0, 484 [DVB_PLL_SAMSUNG_TBDU18132] = &dvb_pll_samsung_tbdu18132, 485 [DVB_PLL_SAMSUNG_TBMU24112] = &dvb_pll_samsung_tbmu24112, 486}; 487 488/* ----------------------------------------------------------- */ 489/* code */ 490 491static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf, 492 const struct dvb_frontend_parameters *params) 493{ 494 struct dvb_pll_priv *priv = fe->tuner_priv; 495 struct dvb_pll_desc *desc = priv->pll_desc; 496 u32 div; 497 int i; 498 499 if (params->frequency != 0 && (params->frequency < desc->min || 500 params->frequency > desc->max)) 501 return -EINVAL; 502 503 for (i = 0; i < desc->count; i++) { 504 if (params->frequency > desc->entries[i].limit) 505 continue; 506 break; 507 } 508 509 if (debug) 510 printk("pll: %s: freq=%d | i=%d/%d\n", desc->name, 511 params->frequency, i, desc->count); 512 if (i == desc->count) 513 return -EINVAL; 514 515 div = (params->frequency + desc->iffreq + 516 desc->entries[i].stepsize/2) / desc->entries[i].stepsize; 517 buf[0] = div >> 8; 518 buf[1] = div & 0xff; 519 buf[2] = desc->entries[i].config; 520 buf[3] = desc->entries[i].cb; 521 522 if (desc->set) 523 desc->set(fe, buf, params); 524 525 if (debug) 526 printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", 527 desc->name, div, buf[0], buf[1], buf[2], buf[3]); 528 529 // calculate the frequency we set it to 530 return (div * desc->entries[i].stepsize) - desc->iffreq; 531} 532 533static int dvb_pll_release(struct dvb_frontend *fe) 534{ 535 kfree(fe->tuner_priv); 536 fe->tuner_priv = NULL; 537 return 0; 538} 539 540static int dvb_pll_sleep(struct dvb_frontend *fe) 541{ 542 struct dvb_pll_priv *priv = fe->tuner_priv; 543 544 if (priv->i2c == NULL) 545 return -EINVAL; 546 547 if (priv->pll_desc->sleepdata) { 548 struct i2c_msg msg = { .flags = 0, 549 .addr = priv->pll_i2c_address, 550 .buf = priv->pll_desc->sleepdata + 1, 551 .len = priv->pll_desc->sleepdata[0] }; 552 553 int result; 554 555 if (fe->ops.i2c_gate_ctrl) 556 fe->ops.i2c_gate_ctrl(fe, 1); 557 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 558 return result; 559 } 560 return 0; 561 } 562 /* Shouldn't be called when initdata is NULL, maybe BUG()? */ 563 return -EINVAL; 564} 565 566static int dvb_pll_set_params(struct dvb_frontend *fe, 567 struct dvb_frontend_parameters *params) 568{ 569 struct dvb_pll_priv *priv = fe->tuner_priv; 570 u8 buf[4]; 571 struct i2c_msg msg = 572 { .addr = priv->pll_i2c_address, .flags = 0, 573 .buf = buf, .len = sizeof(buf) }; 574 int result; 575 u32 frequency = 0; 576 577 if (priv->i2c == NULL) 578 return -EINVAL; 579 580 if ((result = dvb_pll_configure(fe, buf, params)) < 0) 581 return result; 582 else 583 frequency = result; 584 585 if (fe->ops.i2c_gate_ctrl) 586 fe->ops.i2c_gate_ctrl(fe, 1); 587 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 588 return result; 589 } 590 591 priv->frequency = frequency; 592 priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; 593 594 return 0; 595} 596 597static int dvb_pll_calc_regs(struct dvb_frontend *fe, 598 struct dvb_frontend_parameters *params, 599 u8 *buf, int buf_len) 600{ 601 struct dvb_pll_priv *priv = fe->tuner_priv; 602 int result; 603 u32 frequency = 0; 604 605 if (buf_len < 5) 606 return -EINVAL; 607 608 if ((result = dvb_pll_configure(fe, buf+1, params)) < 0) 609 return result; 610 else 611 frequency = result; 612 613 buf[0] = priv->pll_i2c_address; 614 615 priv->frequency = frequency; 616 priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; 617 618 return 5; 619} 620 621static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency) 622{ 623 struct dvb_pll_priv *priv = fe->tuner_priv; 624 *frequency = priv->frequency; 625 return 0; 626} 627 628static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) 629{ 630 struct dvb_pll_priv *priv = fe->tuner_priv; 631 *bandwidth = priv->bandwidth; 632 return 0; 633} 634 635static int dvb_pll_init(struct dvb_frontend *fe) 636{ 637 struct dvb_pll_priv *priv = fe->tuner_priv; 638 639 if (priv->i2c == NULL) 640 return -EINVAL; 641 642 if (priv->pll_desc->initdata) { 643 struct i2c_msg msg = { .flags = 0, 644 .addr = priv->pll_i2c_address, 645 .buf = priv->pll_desc->initdata + 1, 646 .len = priv->pll_desc->initdata[0] }; 647 648 int result; 649 if (fe->ops.i2c_gate_ctrl) 650 fe->ops.i2c_gate_ctrl(fe, 1); 651 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 652 return result; 653 } 654 return 0; 655 } 656 /* Shouldn't be called when initdata is NULL, maybe BUG()? */ 657 return -EINVAL; 658} 659 660static struct dvb_tuner_ops dvb_pll_tuner_ops = { 661 .release = dvb_pll_release, 662 .sleep = dvb_pll_sleep, 663 .init = dvb_pll_init, 664 .set_params = dvb_pll_set_params, 665 .calc_regs = dvb_pll_calc_regs, 666 .get_frequency = dvb_pll_get_frequency, 667 .get_bandwidth = dvb_pll_get_bandwidth, 668}; 669 670struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, 671 struct i2c_adapter *i2c, 672 unsigned int pll_desc_id) 673{ 674 u8 b1 [] = { 0 }; 675 struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, 676 .buf = b1, .len = 1 }; 677 struct dvb_pll_priv *priv = NULL; 678 int ret; 679 struct dvb_pll_desc *desc; 680 681 if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) && 682 (id[dvb_pll_devcount] < ARRAY_SIZE(pll_list))) 683 pll_desc_id = id[dvb_pll_devcount]; 684 685 BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list)); 686 687 desc = pll_list[pll_desc_id]; 688 689 if (i2c != NULL) { 690 if (fe->ops.i2c_gate_ctrl) 691 fe->ops.i2c_gate_ctrl(fe, 1); 692 693 ret = i2c_transfer (i2c, &msg, 1); 694 if (ret != 1) 695 return NULL; 696 if (fe->ops.i2c_gate_ctrl) 697 fe->ops.i2c_gate_ctrl(fe, 0); 698 } 699 700 priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL); 701 if (priv == NULL) 702 return NULL; 703 704 priv->pll_i2c_address = pll_addr; 705 priv->i2c = i2c; 706 priv->pll_desc = desc; 707 priv->nr = dvb_pll_devcount++; 708 709 memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, 710 sizeof(struct dvb_tuner_ops)); 711 712 strncpy(fe->ops.tuner_ops.info.name, desc->name, 713 sizeof(fe->ops.tuner_ops.info.name)); 714 fe->ops.tuner_ops.info.frequency_min = desc->min; 715 fe->ops.tuner_ops.info.frequency_max = desc->max; 716 if (!desc->initdata) 717 fe->ops.tuner_ops.init = NULL; 718 if (!desc->sleepdata) 719 fe->ops.tuner_ops.sleep = NULL; 720 721 fe->tuner_priv = priv; 722 723 if ((debug) || (id[priv->nr] == pll_desc_id)) { 724 printk("dvb-pll[%d]", priv->nr); 725 if (i2c != NULL) 726 printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr); 727 printk(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name, 728 id[priv->nr] == pll_desc_id ? 729 "insmod option" : "autodetected"); 730 } 731 732 return fe; 733} 734EXPORT_SYMBOL(dvb_pll_attach); 735 736MODULE_DESCRIPTION("dvb pll library"); 737MODULE_AUTHOR("Gerd Knorr"); 738MODULE_LICENSE("GPL"); 739