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 void thomson_dtt7520x_bw(struct dvb_frontend *fe, u8 *buf) 120{ 121 u32 bw = fe->dtv_property_cache.bandwidth_hz; 122 if (bw == 8000000) 123 buf[3] ^= 0x10; 124} 125 126static struct dvb_pll_desc dvb_pll_thomson_dtt7520x = { 127 .name = "Thomson dtt7520x", 128 .min = 185000000, 129 .max = 900000000, 130 .set = thomson_dtt7520x_bw, 131 .iffreq = 36166667, 132 .count = 7, 133 .entries = { 134 { 305000000, 166667, 0xb4, 0x12 }, 135 { 405000000, 166667, 0xbc, 0x12 }, 136 { 445000000, 166667, 0xbc, 0x12 }, 137 { 465000000, 166667, 0xf4, 0x18 }, 138 { 735000000, 166667, 0xfc, 0x18 }, 139 { 835000000, 166667, 0xbc, 0x18 }, 140 { 999999999, 166667, 0xfc, 0x18 }, 141 }, 142}; 143 144static struct dvb_pll_desc dvb_pll_lg_z201 = { 145 .name = "LG z201", 146 .min = 174000000, 147 .max = 862000000, 148 .iffreq= 36166667, 149 .sleepdata = (u8[]){ 2, 0xbc, 0x03 }, 150 .count = 5, 151 .entries = { 152 { 157500000, 166667, 0xbc, 0x01 }, 153 { 443250000, 166667, 0xbc, 0x02 }, 154 { 542000000, 166667, 0xbc, 0x04 }, 155 { 830000000, 166667, 0xf4, 0x04 }, 156 { 999999999, 166667, 0xfc, 0x04 }, 157 }, 158}; 159 160static struct dvb_pll_desc dvb_pll_unknown_1 = { 161 .name = "unknown 1", /* used by dntv live dvb-t */ 162 .min = 174000000, 163 .max = 862000000, 164 .iffreq= 36166667, 165 .count = 9, 166 .entries = { 167 { 150000000, 166667, 0xb4, 0x01 }, 168 { 173000000, 166667, 0xbc, 0x01 }, 169 { 250000000, 166667, 0xb4, 0x02 }, 170 { 400000000, 166667, 0xbc, 0x02 }, 171 { 420000000, 166667, 0xf4, 0x02 }, 172 { 470000000, 166667, 0xfc, 0x02 }, 173 { 600000000, 166667, 0xbc, 0x08 }, 174 { 730000000, 166667, 0xf4, 0x08 }, 175 { 999999999, 166667, 0xfc, 0x08 }, 176 }, 177}; 178 179/* Infineon TUA6010XS 180 * used in Thomson Cable Tuner 181 */ 182static struct dvb_pll_desc dvb_pll_tua6010xs = { 183 .name = "Infineon TUA6010XS", 184 .min = 44250000, 185 .max = 858000000, 186 .iffreq= 36125000, 187 .count = 3, 188 .entries = { 189 { 115750000, 62500, 0x8e, 0x03 }, 190 { 403250000, 62500, 0x8e, 0x06 }, 191 { 999999999, 62500, 0x8e, 0x85 }, 192 }, 193}; 194 195/* Panasonic env57h1xd5 (some Philips PLL ?) */ 196static struct dvb_pll_desc dvb_pll_env57h1xd5 = { 197 .name = "Panasonic ENV57H1XD5", 198 .min = 44250000, 199 .max = 858000000, 200 .iffreq= 36125000, 201 .count = 4, 202 .entries = { 203 { 153000000, 166667, 0xc2, 0x41 }, 204 { 470000000, 166667, 0xc2, 0x42 }, 205 { 526000000, 166667, 0xc2, 0x84 }, 206 { 999999999, 166667, 0xc2, 0xa4 }, 207 }, 208}; 209 210/* Philips TDA6650/TDA6651 211 * used in Panasonic ENV77H11D5 212 */ 213static void tda665x_bw(struct dvb_frontend *fe, u8 *buf) 214{ 215 u32 bw = fe->dtv_property_cache.bandwidth_hz; 216 if (bw == 8000000) 217 buf[3] |= 0x08; 218} 219 220static struct dvb_pll_desc dvb_pll_tda665x = { 221 .name = "Philips TDA6650/TDA6651", 222 .min = 44250000, 223 .max = 858000000, 224 .set = tda665x_bw, 225 .iffreq= 36166667, 226 .initdata = (u8[]){ 4, 0x0b, 0xf5, 0x85, 0xab }, 227 .count = 12, 228 .entries = { 229 { 93834000, 166667, 0xca, 0x61 /* 011 0 0 0 01 */ }, 230 { 123834000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, 231 { 161000000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, 232 { 163834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, 233 { 253834000, 166667, 0xca, 0x62 /* 011 0 0 0 10 */ }, 234 { 383834000, 166667, 0xca, 0xa2 /* 101 0 0 0 10 */ }, 235 { 443834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, 236 { 444000000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, 237 { 583834000, 166667, 0xca, 0x64 /* 011 0 0 1 00 */ }, 238 { 793834000, 166667, 0xca, 0xa4 /* 101 0 0 1 00 */ }, 239 { 444834000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, 240 { 861000000, 166667, 0xca, 0xe4 /* 111 0 0 1 00 */ }, 241 } 242}; 243 244/* Infineon TUA6034 245 * used in LG TDTP E102P 246 */ 247static void tua6034_bw(struct dvb_frontend *fe, u8 *buf) 248{ 249 u32 bw = fe->dtv_property_cache.bandwidth_hz; 250 if (bw == 7000000) 251 buf[3] |= 0x08; 252} 253 254static struct dvb_pll_desc dvb_pll_tua6034 = { 255 .name = "Infineon TUA6034", 256 .min = 44250000, 257 .max = 858000000, 258 .iffreq= 36166667, 259 .count = 3, 260 .set = tua6034_bw, 261 .entries = { 262 { 174500000, 62500, 0xce, 0x01 }, 263 { 230000000, 62500, 0xce, 0x02 }, 264 { 999999999, 62500, 0xce, 0x04 }, 265 }, 266}; 267 268/* ALPS TDED4 269 * used in Nebula-Cards and USB boxes 270 */ 271static void tded4_bw(struct dvb_frontend *fe, u8 *buf) 272{ 273 u32 bw = fe->dtv_property_cache.bandwidth_hz; 274 if (bw == 8000000) 275 buf[3] |= 0x04; 276} 277 278static struct dvb_pll_desc dvb_pll_tded4 = { 279 .name = "ALPS TDED4", 280 .min = 47000000, 281 .max = 863000000, 282 .iffreq= 36166667, 283 .set = tded4_bw, 284 .count = 4, 285 .entries = { 286 { 153000000, 166667, 0x85, 0x01 }, 287 { 470000000, 166667, 0x85, 0x02 }, 288 { 823000000, 166667, 0x85, 0x08 }, 289 { 999999999, 166667, 0x85, 0x88 }, 290 } 291}; 292 293/* ALPS TDHU2 294 * used in AverTVHD MCE A180 295 */ 296static struct dvb_pll_desc dvb_pll_tdhu2 = { 297 .name = "ALPS TDHU2", 298 .min = 54000000, 299 .max = 864000000, 300 .iffreq= 44000000, 301 .count = 4, 302 .entries = { 303 { 162000000, 62500, 0x85, 0x01 }, 304 { 426000000, 62500, 0x85, 0x02 }, 305 { 782000000, 62500, 0x85, 0x08 }, 306 { 999999999, 62500, 0x85, 0x88 }, 307 } 308}; 309 310/* Samsung TBMV30111IN / TBMV30712IN1 311 * used in Air2PC ATSC - 2nd generation (nxt2002) 312 */ 313static struct dvb_pll_desc dvb_pll_samsung_tbmv = { 314 .name = "Samsung TBMV30111IN / TBMV30712IN1", 315 .min = 54000000, 316 .max = 860000000, 317 .iffreq= 44000000, 318 .count = 6, 319 .entries = { 320 { 172000000, 166667, 0xb4, 0x01 }, 321 { 214000000, 166667, 0xb4, 0x02 }, 322 { 467000000, 166667, 0xbc, 0x02 }, 323 { 721000000, 166667, 0xbc, 0x08 }, 324 { 841000000, 166667, 0xf4, 0x08 }, 325 { 999999999, 166667, 0xfc, 0x02 }, 326 } 327}; 328 329/* 330 * Philips SD1878 Tuner. 331 */ 332static struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = { 333 .name = "Philips SD1878", 334 .min = 950000, 335 .max = 2150000, 336 .iffreq= 249, /* zero-IF, offset 249 is to round up */ 337 .count = 4, 338 .entries = { 339 { 1250000, 500, 0xc4, 0x00}, 340 { 1450000, 500, 0xc4, 0x40}, 341 { 2050000, 500, 0xc4, 0x80}, 342 { 2150000, 500, 0xc4, 0xc0}, 343 }, 344}; 345 346static void opera1_bw(struct dvb_frontend *fe, u8 *buf) 347{ 348 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 349 struct dvb_pll_priv *priv = fe->tuner_priv; 350 u32 b_w = (c->symbol_rate * 27) / 32000; 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 u8 lpf; 359 360 if (fe->ops.i2c_gate_ctrl) 361 fe->ops.i2c_gate_ctrl(fe, 1); 362 363 result = i2c_transfer(priv->i2c, &msg, 1); 364 if (result != 1) 365 printk(KERN_ERR "%s: i2c_transfer failed:%d", 366 __func__, result); 367 368 if (b_w <= 10000) 369 lpf = 0xc; 370 else if (b_w <= 12000) 371 lpf = 0x2; 372 else if (b_w <= 14000) 373 lpf = 0xa; 374 else if (b_w <= 16000) 375 lpf = 0x6; 376 else if (b_w <= 18000) 377 lpf = 0xe; 378 else if (b_w <= 20000) 379 lpf = 0x1; 380 else if (b_w <= 22000) 381 lpf = 0x9; 382 else if (b_w <= 24000) 383 lpf = 0x5; 384 else if (b_w <= 26000) 385 lpf = 0xd; 386 else if (b_w <= 28000) 387 lpf = 0x3; 388 else 389 lpf = 0xb; 390 buf[2] ^= 0x1c; /* Flip bits 3-5 */ 391 /* Set lpf */ 392 buf[2] |= ((lpf >> 2) & 0x3) << 3; 393 buf[3] |= (lpf & 0x3) << 2; 394 395 return; 396} 397 398static struct dvb_pll_desc dvb_pll_opera1 = { 399 .name = "Opera Tuner", 400 .min = 900000, 401 .max = 2250000, 402 .initdata = (u8[]){ 4, 0x08, 0xe5, 0xe1, 0x00 }, 403 .initdata2 = (u8[]){ 4, 0x08, 0xe5, 0xe5, 0x00 }, 404 .iffreq= 0, 405 .set = opera1_bw, 406 .count = 8, 407 .entries = { 408 { 1064000, 500, 0xf9, 0xc2 }, 409 { 1169000, 500, 0xf9, 0xe2 }, 410 { 1299000, 500, 0xf9, 0x20 }, 411 { 1444000, 500, 0xf9, 0x40 }, 412 { 1606000, 500, 0xf9, 0x60 }, 413 { 1777000, 500, 0xf9, 0x80 }, 414 { 1941000, 500, 0xf9, 0xa0 }, 415 { 2250000, 500, 0xf9, 0xc0 }, 416 } 417}; 418 419static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf) 420{ 421 struct dvb_pll_priv *priv = fe->tuner_priv; 422 struct i2c_msg msg = { 423 .addr = priv->pll_i2c_address, 424 .flags = 0, 425 .buf = buf, 426 .len = 4 427 }; 428 int result; 429 430 if (fe->ops.i2c_gate_ctrl) 431 fe->ops.i2c_gate_ctrl(fe, 1); 432 433 result = i2c_transfer(priv->i2c, &msg, 1); 434 if (result != 1) 435 printk(KERN_ERR "%s: i2c_transfer failed:%d", 436 __func__, result); 437 438 buf[2] = 0x9e; 439 buf[3] = 0x90; 440 441 return; 442} 443 444/* unknown pll used in Samsung DTOS403IH102A DVB-C tuner */ 445static struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = { 446 .name = "Samsung DTOS403IH102A", 447 .min = 44250000, 448 .max = 858000000, 449 .iffreq = 36125000, 450 .count = 8, 451 .set = samsung_dtos403ih102a_set, 452 .entries = { 453 { 135000000, 62500, 0xbe, 0x01 }, 454 { 177000000, 62500, 0xf6, 0x01 }, 455 { 370000000, 62500, 0xbe, 0x02 }, 456 { 450000000, 62500, 0xf6, 0x02 }, 457 { 466000000, 62500, 0xfe, 0x02 }, 458 { 538000000, 62500, 0xbe, 0x08 }, 459 { 826000000, 62500, 0xf6, 0x08 }, 460 { 999999999, 62500, 0xfe, 0x08 }, 461 } 462}; 463 464/* Samsung TDTC9251DH0 DVB-T NIM, as used on AirStar 2 */ 465static struct dvb_pll_desc dvb_pll_samsung_tdtc9251dh0 = { 466 .name = "Samsung TDTC9251DH0", 467 .min = 48000000, 468 .max = 863000000, 469 .iffreq = 36166667, 470 .count = 3, 471 .entries = { 472 { 157500000, 166667, 0xcc, 0x09 }, 473 { 443000000, 166667, 0xcc, 0x0a }, 474 { 863000000, 166667, 0xcc, 0x08 }, 475 } 476}; 477 478/* Samsung TBDU18132 DVB-S NIM with TSA5059 PLL, used in SkyStar2 DVB-S 2.3 */ 479static struct dvb_pll_desc dvb_pll_samsung_tbdu18132 = { 480 .name = "Samsung TBDU18132", 481 .min = 950000, 482 .max = 2150000, /* guesses */ 483 .iffreq = 0, 484 .count = 2, 485 .entries = { 486 { 1550000, 125, 0x84, 0x82 }, 487 { 4095937, 125, 0x84, 0x80 }, 488 } 489 /* TSA5059 PLL has a 17 bit divisor rather than the 15 bits supported 490 * by this driver. The two extra bits are 0x60 in the third byte. 15 491 * bits is enough for over 4 GHz, which is enough to cover the range 492 * of this tuner. We could use the additional divisor bits by adding 493 * more entries, e.g. 494 { 0x0ffff * 125 + 125/2, 125, 0x84 | 0x20, }, 495 { 0x17fff * 125 + 125/2, 125, 0x84 | 0x40, }, 496 { 0x1ffff * 125 + 125/2, 125, 0x84 | 0x60, }, */ 497}; 498 499/* Samsung TBMU24112 DVB-S NIM with SL1935 zero-IF tuner */ 500static struct dvb_pll_desc dvb_pll_samsung_tbmu24112 = { 501 .name = "Samsung TBMU24112", 502 .min = 950000, 503 .max = 2150000, /* guesses */ 504 .iffreq = 0, 505 .count = 2, 506 .entries = { 507 { 1500000, 125, 0x84, 0x18 }, 508 { 9999999, 125, 0x84, 0x08 }, 509 } 510}; 511 512/* Alps TDEE4 DVB-C NIM, used on Cablestar 2 */ 513/* byte 4 : 1 * * AGD R3 R2 R1 R0 514 * byte 5 : C1 * RE RTS BS4 BS3 BS2 BS1 515 * AGD = 1, R3 R2 R1 R0 = 0 1 0 1 => byte 4 = 1**10101 = 0x95 516 * Range(MHz) C1 * RE RTS BS4 BS3 BS2 BS1 Byte 5 517 * 47 - 153 0 * 0 0 0 0 0 1 0x01 518 * 153 - 430 0 * 0 0 0 0 1 0 0x02 519 * 430 - 822 0 * 0 0 1 0 0 0 0x08 520 * 822 - 862 1 * 0 0 1 0 0 0 0x88 */ 521static struct dvb_pll_desc dvb_pll_alps_tdee4 = { 522 .name = "ALPS TDEE4", 523 .min = 47000000, 524 .max = 862000000, 525 .iffreq = 36125000, 526 .count = 4, 527 .entries = { 528 { 153000000, 62500, 0x95, 0x01 }, 529 { 430000000, 62500, 0x95, 0x02 }, 530 { 822000000, 62500, 0x95, 0x08 }, 531 { 999999999, 62500, 0x95, 0x88 }, 532 } 533}; 534 535/* ----------------------------------------------------------- */ 536 537static struct dvb_pll_desc *pll_list[] = { 538 [DVB_PLL_UNDEFINED] = NULL, 539 [DVB_PLL_THOMSON_DTT7579] = &dvb_pll_thomson_dtt7579, 540 [DVB_PLL_THOMSON_DTT759X] = &dvb_pll_thomson_dtt759x, 541 [DVB_PLL_THOMSON_DTT7520X] = &dvb_pll_thomson_dtt7520x, 542 [DVB_PLL_LG_Z201] = &dvb_pll_lg_z201, 543 [DVB_PLL_UNKNOWN_1] = &dvb_pll_unknown_1, 544 [DVB_PLL_TUA6010XS] = &dvb_pll_tua6010xs, 545 [DVB_PLL_ENV57H1XD5] = &dvb_pll_env57h1xd5, 546 [DVB_PLL_TUA6034] = &dvb_pll_tua6034, 547 [DVB_PLL_TDA665X] = &dvb_pll_tda665x, 548 [DVB_PLL_TDED4] = &dvb_pll_tded4, 549 [DVB_PLL_TDEE4] = &dvb_pll_alps_tdee4, 550 [DVB_PLL_TDHU2] = &dvb_pll_tdhu2, 551 [DVB_PLL_SAMSUNG_TBMV] = &dvb_pll_samsung_tbmv, 552 [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261, 553 [DVB_PLL_OPERA1] = &dvb_pll_opera1, 554 [DVB_PLL_SAMSUNG_DTOS403IH102A] = &dvb_pll_samsung_dtos403ih102a, 555 [DVB_PLL_SAMSUNG_TDTC9251DH0] = &dvb_pll_samsung_tdtc9251dh0, 556 [DVB_PLL_SAMSUNG_TBDU18132] = &dvb_pll_samsung_tbdu18132, 557 [DVB_PLL_SAMSUNG_TBMU24112] = &dvb_pll_samsung_tbmu24112, 558}; 559 560/* ----------------------------------------------------------- */ 561/* code */ 562 563static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf, 564 const u32 frequency) 565{ 566 struct dvb_pll_priv *priv = fe->tuner_priv; 567 struct dvb_pll_desc *desc = priv->pll_desc; 568 u32 div; 569 int i; 570 571 if (frequency && (frequency < desc->min || frequency > desc->max)) 572 return -EINVAL; 573 574 for (i = 0; i < desc->count; i++) { 575 if (frequency > desc->entries[i].limit) 576 continue; 577 break; 578 } 579 580 if (debug) 581 printk("pll: %s: freq=%d | i=%d/%d\n", desc->name, 582 frequency, i, desc->count); 583 if (i == desc->count) 584 return -EINVAL; 585 586 div = (frequency + desc->iffreq + 587 desc->entries[i].stepsize/2) / desc->entries[i].stepsize; 588 buf[0] = div >> 8; 589 buf[1] = div & 0xff; 590 buf[2] = desc->entries[i].config; 591 buf[3] = desc->entries[i].cb; 592 593 if (desc->set) 594 desc->set(fe, buf); 595 596 if (debug) 597 printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", 598 desc->name, div, buf[0], buf[1], buf[2], buf[3]); 599 600 // calculate the frequency we set it to 601 return (div * desc->entries[i].stepsize) - desc->iffreq; 602} 603 604static int dvb_pll_release(struct dvb_frontend *fe) 605{ 606 kfree(fe->tuner_priv); 607 fe->tuner_priv = NULL; 608 return 0; 609} 610 611static int dvb_pll_sleep(struct dvb_frontend *fe) 612{ 613 struct dvb_pll_priv *priv = fe->tuner_priv; 614 615 if (priv->i2c == NULL) 616 return -EINVAL; 617 618 if (priv->pll_desc->sleepdata) { 619 struct i2c_msg msg = { .flags = 0, 620 .addr = priv->pll_i2c_address, 621 .buf = priv->pll_desc->sleepdata + 1, 622 .len = priv->pll_desc->sleepdata[0] }; 623 624 int result; 625 626 if (fe->ops.i2c_gate_ctrl) 627 fe->ops.i2c_gate_ctrl(fe, 1); 628 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 629 return result; 630 } 631 return 0; 632 } 633 /* Shouldn't be called when initdata is NULL, maybe BUG()? */ 634 return -EINVAL; 635} 636 637static int dvb_pll_set_params(struct dvb_frontend *fe) 638{ 639 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 640 struct dvb_pll_priv *priv = fe->tuner_priv; 641 u8 buf[4]; 642 struct i2c_msg msg = 643 { .addr = priv->pll_i2c_address, .flags = 0, 644 .buf = buf, .len = sizeof(buf) }; 645 int result; 646 u32 frequency = 0; 647 648 if (priv->i2c == NULL) 649 return -EINVAL; 650 651 result = dvb_pll_configure(fe, buf, c->frequency); 652 if (result < 0) 653 return result; 654 else 655 frequency = result; 656 657 if (fe->ops.i2c_gate_ctrl) 658 fe->ops.i2c_gate_ctrl(fe, 1); 659 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 660 return result; 661 } 662 663 priv->frequency = frequency; 664 priv->bandwidth = c->bandwidth_hz; 665 666 return 0; 667} 668 669static int dvb_pll_calc_regs(struct dvb_frontend *fe, 670 u8 *buf, int buf_len) 671{ 672 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 673 struct dvb_pll_priv *priv = fe->tuner_priv; 674 int result; 675 u32 frequency = 0; 676 677 if (buf_len < 5) 678 return -EINVAL; 679 680 result = dvb_pll_configure(fe, buf + 1, c->frequency); 681 if (result < 0) 682 return result; 683 else 684 frequency = result; 685 686 buf[0] = priv->pll_i2c_address; 687 688 priv->frequency = frequency; 689 priv->bandwidth = c->bandwidth_hz; 690 691 return 5; 692} 693 694static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency) 695{ 696 struct dvb_pll_priv *priv = fe->tuner_priv; 697 *frequency = priv->frequency; 698 return 0; 699} 700 701static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) 702{ 703 struct dvb_pll_priv *priv = fe->tuner_priv; 704 *bandwidth = priv->bandwidth; 705 return 0; 706} 707 708static int dvb_pll_init(struct dvb_frontend *fe) 709{ 710 struct dvb_pll_priv *priv = fe->tuner_priv; 711 712 if (priv->i2c == NULL) 713 return -EINVAL; 714 715 if (priv->pll_desc->initdata) { 716 struct i2c_msg msg = { .flags = 0, 717 .addr = priv->pll_i2c_address, 718 .buf = priv->pll_desc->initdata + 1, 719 .len = priv->pll_desc->initdata[0] }; 720 721 int result; 722 if (fe->ops.i2c_gate_ctrl) 723 fe->ops.i2c_gate_ctrl(fe, 1); 724 result = i2c_transfer(priv->i2c, &msg, 1); 725 if (result != 1) 726 return result; 727 if (priv->pll_desc->initdata2) { 728 msg.buf = priv->pll_desc->initdata2 + 1; 729 msg.len = priv->pll_desc->initdata2[0]; 730 if (fe->ops.i2c_gate_ctrl) 731 fe->ops.i2c_gate_ctrl(fe, 1); 732 result = i2c_transfer(priv->i2c, &msg, 1); 733 if (result != 1) 734 return result; 735 } 736 return 0; 737 } 738 /* Shouldn't be called when initdata is NULL, maybe BUG()? */ 739 return -EINVAL; 740} 741 742static struct dvb_tuner_ops dvb_pll_tuner_ops = { 743 .release = dvb_pll_release, 744 .sleep = dvb_pll_sleep, 745 .init = dvb_pll_init, 746 .set_params = dvb_pll_set_params, 747 .calc_regs = dvb_pll_calc_regs, 748 .get_frequency = dvb_pll_get_frequency, 749 .get_bandwidth = dvb_pll_get_bandwidth, 750}; 751 752struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, 753 struct i2c_adapter *i2c, 754 unsigned int pll_desc_id) 755{ 756 u8 b1 [] = { 0 }; 757 struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, 758 .buf = b1, .len = 1 }; 759 struct dvb_pll_priv *priv = NULL; 760 int ret; 761 struct dvb_pll_desc *desc; 762 763 if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) && 764 (id[dvb_pll_devcount] < ARRAY_SIZE(pll_list))) 765 pll_desc_id = id[dvb_pll_devcount]; 766 767 BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list)); 768 769 desc = pll_list[pll_desc_id]; 770 771 if (i2c != NULL) { 772 if (fe->ops.i2c_gate_ctrl) 773 fe->ops.i2c_gate_ctrl(fe, 1); 774 775 ret = i2c_transfer (i2c, &msg, 1); 776 if (ret != 1) 777 return NULL; 778 if (fe->ops.i2c_gate_ctrl) 779 fe->ops.i2c_gate_ctrl(fe, 0); 780 } 781 782 priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL); 783 if (priv == NULL) 784 return NULL; 785 786 priv->pll_i2c_address = pll_addr; 787 priv->i2c = i2c; 788 priv->pll_desc = desc; 789 priv->nr = dvb_pll_devcount++; 790 791 memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, 792 sizeof(struct dvb_tuner_ops)); 793 794 strncpy(fe->ops.tuner_ops.info.name, desc->name, 795 sizeof(fe->ops.tuner_ops.info.name)); 796 fe->ops.tuner_ops.info.frequency_min = desc->min; 797 fe->ops.tuner_ops.info.frequency_max = desc->max; 798 if (!desc->initdata) 799 fe->ops.tuner_ops.init = NULL; 800 if (!desc->sleepdata) 801 fe->ops.tuner_ops.sleep = NULL; 802 803 fe->tuner_priv = priv; 804 805 if ((debug) || (id[priv->nr] == pll_desc_id)) { 806 printk("dvb-pll[%d]", priv->nr); 807 if (i2c != NULL) 808 printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr); 809 printk(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name, 810 id[priv->nr] == pll_desc_id ? 811 "insmod option" : "autodetected"); 812 } 813 814 return fe; 815} 816EXPORT_SYMBOL(dvb_pll_attach); 817 818MODULE_DESCRIPTION("dvb pll library"); 819MODULE_AUTHOR("Gerd Knorr"); 820MODULE_LICENSE("GPL"); 821