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 17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 18 19 #include <linux/slab.h> 20 #include <linux/module.h> 21 #include <linux/dvb/frontend.h> 22 #include <asm/types.h> 23 24 #include "dvb-pll.h" 25 26 #define dprintk(fmt, arg...) \ 27 printk(KERN_DEBUG pr_fmt("%s: " fmt), __func__, ##arg) 28 29 struct dvb_pll_priv { 30 /* pll number */ 31 int nr; 32 33 /* i2c details */ 34 int pll_i2c_address; 35 struct i2c_adapter *i2c; 36 37 /* the PLL descriptor */ 38 const struct dvb_pll_desc *pll_desc; 39 40 /* cached frequency/bandwidth */ 41 u32 frequency; 42 u32 bandwidth; 43 }; 44 45 #define DVB_PLL_MAX 64 46 47 static unsigned int dvb_pll_devcount; 48 49 static int debug; 50 module_param(debug, int, 0644); 51 MODULE_PARM_DESC(debug, "enable verbose debug messages"); 52 53 static unsigned int id[DVB_PLL_MAX] = 54 { [ 0 ... (DVB_PLL_MAX-1) ] = DVB_PLL_UNDEFINED }; 55 module_param_array(id, int, NULL, 0644); 56 MODULE_PARM_DESC(id, "force pll id to use (DEBUG ONLY)"); 57 58 /* ----------------------------------------------------------- */ 59 60 struct dvb_pll_desc { 61 const char *name; 62 u32 min; 63 u32 max; 64 u32 iffreq; 65 void (*set)(struct dvb_frontend *fe, u8 *buf); 66 u8 *initdata; 67 u8 *initdata2; 68 u8 *sleepdata; 69 int count; 70 struct { 71 u32 limit; 72 u32 stepsize; 73 u8 config; 74 u8 cb; 75 } entries[]; 76 }; 77 78 /* ----------------------------------------------------------- */ 79 /* descriptions */ 80 81 static const struct dvb_pll_desc dvb_pll_thomson_dtt7579 = { 82 .name = "Thomson dtt7579", 83 .min = 177000000, 84 .max = 858000000, 85 .iffreq= 36166667, 86 .sleepdata = (u8[]){ 2, 0xb4, 0x03 }, 87 .count = 4, 88 .entries = { 89 { 443250000, 166667, 0xb4, 0x02 }, 90 { 542000000, 166667, 0xb4, 0x08 }, 91 { 771000000, 166667, 0xbc, 0x08 }, 92 { 999999999, 166667, 0xf4, 0x08 }, 93 }, 94 }; 95 96 static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf) 97 { 98 u32 bw = fe->dtv_property_cache.bandwidth_hz; 99 if (bw == 7000000) 100 buf[3] |= 0x10; 101 } 102 103 static const struct dvb_pll_desc dvb_pll_thomson_dtt759x = { 104 .name = "Thomson dtt759x", 105 .min = 177000000, 106 .max = 896000000, 107 .set = thomson_dtt759x_bw, 108 .iffreq= 36166667, 109 .sleepdata = (u8[]){ 2, 0x84, 0x03 }, 110 .count = 5, 111 .entries = { 112 { 264000000, 166667, 0xb4, 0x02 }, 113 { 470000000, 166667, 0xbc, 0x02 }, 114 { 735000000, 166667, 0xbc, 0x08 }, 115 { 835000000, 166667, 0xf4, 0x08 }, 116 { 999999999, 166667, 0xfc, 0x08 }, 117 }, 118 }; 119 120 static void thomson_dtt7520x_bw(struct dvb_frontend *fe, u8 *buf) 121 { 122 u32 bw = fe->dtv_property_cache.bandwidth_hz; 123 if (bw == 8000000) 124 buf[3] ^= 0x10; 125 } 126 127 static const struct dvb_pll_desc dvb_pll_thomson_dtt7520x = { 128 .name = "Thomson dtt7520x", 129 .min = 185000000, 130 .max = 900000000, 131 .set = thomson_dtt7520x_bw, 132 .iffreq = 36166667, 133 .count = 7, 134 .entries = { 135 { 305000000, 166667, 0xb4, 0x12 }, 136 { 405000000, 166667, 0xbc, 0x12 }, 137 { 445000000, 166667, 0xbc, 0x12 }, 138 { 465000000, 166667, 0xf4, 0x18 }, 139 { 735000000, 166667, 0xfc, 0x18 }, 140 { 835000000, 166667, 0xbc, 0x18 }, 141 { 999999999, 166667, 0xfc, 0x18 }, 142 }, 143 }; 144 145 static const struct dvb_pll_desc dvb_pll_lg_z201 = { 146 .name = "LG z201", 147 .min = 174000000, 148 .max = 862000000, 149 .iffreq= 36166667, 150 .sleepdata = (u8[]){ 2, 0xbc, 0x03 }, 151 .count = 5, 152 .entries = { 153 { 157500000, 166667, 0xbc, 0x01 }, 154 { 443250000, 166667, 0xbc, 0x02 }, 155 { 542000000, 166667, 0xbc, 0x04 }, 156 { 830000000, 166667, 0xf4, 0x04 }, 157 { 999999999, 166667, 0xfc, 0x04 }, 158 }, 159 }; 160 161 static const 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 */ 183 static const 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 ?) */ 197 static const 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 */ 214 static void tda665x_bw(struct dvb_frontend *fe, u8 *buf) 215 { 216 u32 bw = fe->dtv_property_cache.bandwidth_hz; 217 if (bw == 8000000) 218 buf[3] |= 0x08; 219 } 220 221 static const 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 */ 248 static void tua6034_bw(struct dvb_frontend *fe, u8 *buf) 249 { 250 u32 bw = fe->dtv_property_cache.bandwidth_hz; 251 if (bw == 7000000) 252 buf[3] |= 0x08; 253 } 254 255 static const 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 /* ALPS TDED4 270 * used in Nebula-Cards and USB boxes 271 */ 272 static void tded4_bw(struct dvb_frontend *fe, u8 *buf) 273 { 274 u32 bw = fe->dtv_property_cache.bandwidth_hz; 275 if (bw == 8000000) 276 buf[3] |= 0x04; 277 } 278 279 static const struct dvb_pll_desc dvb_pll_tded4 = { 280 .name = "ALPS TDED4", 281 .min = 47000000, 282 .max = 863000000, 283 .iffreq= 36166667, 284 .set = tded4_bw, 285 .count = 4, 286 .entries = { 287 { 153000000, 166667, 0x85, 0x01 }, 288 { 470000000, 166667, 0x85, 0x02 }, 289 { 823000000, 166667, 0x85, 0x08 }, 290 { 999999999, 166667, 0x85, 0x88 }, 291 } 292 }; 293 294 /* ALPS TDHU2 295 * used in AverTVHD MCE A180 296 */ 297 static const struct dvb_pll_desc dvb_pll_tdhu2 = { 298 .name = "ALPS TDHU2", 299 .min = 54000000, 300 .max = 864000000, 301 .iffreq= 44000000, 302 .count = 4, 303 .entries = { 304 { 162000000, 62500, 0x85, 0x01 }, 305 { 426000000, 62500, 0x85, 0x02 }, 306 { 782000000, 62500, 0x85, 0x08 }, 307 { 999999999, 62500, 0x85, 0x88 }, 308 } 309 }; 310 311 /* Samsung TBMV30111IN / TBMV30712IN1 312 * used in Air2PC ATSC - 2nd generation (nxt2002) 313 */ 314 static const struct dvb_pll_desc dvb_pll_samsung_tbmv = { 315 .name = "Samsung TBMV30111IN / TBMV30712IN1", 316 .min = 54000000, 317 .max = 860000000, 318 .iffreq= 44000000, 319 .count = 6, 320 .entries = { 321 { 172000000, 166667, 0xb4, 0x01 }, 322 { 214000000, 166667, 0xb4, 0x02 }, 323 { 467000000, 166667, 0xbc, 0x02 }, 324 { 721000000, 166667, 0xbc, 0x08 }, 325 { 841000000, 166667, 0xf4, 0x08 }, 326 { 999999999, 166667, 0xfc, 0x02 }, 327 } 328 }; 329 330 /* 331 * Philips SD1878 Tuner. 332 */ 333 static const struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = { 334 .name = "Philips SD1878", 335 .min = 950000, 336 .max = 2150000, 337 .iffreq= 249, /* zero-IF, offset 249 is to round up */ 338 .count = 4, 339 .entries = { 340 { 1250000, 500, 0xc4, 0x00}, 341 { 1450000, 500, 0xc4, 0x40}, 342 { 2050000, 500, 0xc4, 0x80}, 343 { 2150000, 500, 0xc4, 0xc0}, 344 }, 345 }; 346 347 static void opera1_bw(struct dvb_frontend *fe, u8 *buf) 348 { 349 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 350 struct dvb_pll_priv *priv = fe->tuner_priv; 351 u32 b_w = (c->symbol_rate * 27) / 32000; 352 struct i2c_msg msg = { 353 .addr = priv->pll_i2c_address, 354 .flags = 0, 355 .buf = buf, 356 .len = 4 357 }; 358 int result; 359 u8 lpf; 360 361 if (fe->ops.i2c_gate_ctrl) 362 fe->ops.i2c_gate_ctrl(fe, 1); 363 364 result = i2c_transfer(priv->i2c, &msg, 1); 365 if (result != 1) 366 pr_err("%s: i2c_transfer failed:%d", 367 __func__, result); 368 369 if (b_w <= 10000) 370 lpf = 0xc; 371 else if (b_w <= 12000) 372 lpf = 0x2; 373 else if (b_w <= 14000) 374 lpf = 0xa; 375 else if (b_w <= 16000) 376 lpf = 0x6; 377 else if (b_w <= 18000) 378 lpf = 0xe; 379 else if (b_w <= 20000) 380 lpf = 0x1; 381 else if (b_w <= 22000) 382 lpf = 0x9; 383 else if (b_w <= 24000) 384 lpf = 0x5; 385 else if (b_w <= 26000) 386 lpf = 0xd; 387 else if (b_w <= 28000) 388 lpf = 0x3; 389 else 390 lpf = 0xb; 391 buf[2] ^= 0x1c; /* Flip bits 3-5 */ 392 /* Set lpf */ 393 buf[2] |= ((lpf >> 2) & 0x3) << 3; 394 buf[3] |= (lpf & 0x3) << 2; 395 396 return; 397 } 398 399 static const struct dvb_pll_desc dvb_pll_opera1 = { 400 .name = "Opera Tuner", 401 .min = 900000, 402 .max = 2250000, 403 .initdata = (u8[]){ 4, 0x08, 0xe5, 0xe1, 0x00 }, 404 .initdata2 = (u8[]){ 4, 0x08, 0xe5, 0xe5, 0x00 }, 405 .iffreq= 0, 406 .set = opera1_bw, 407 .count = 8, 408 .entries = { 409 { 1064000, 500, 0xf9, 0xc2 }, 410 { 1169000, 500, 0xf9, 0xe2 }, 411 { 1299000, 500, 0xf9, 0x20 }, 412 { 1444000, 500, 0xf9, 0x40 }, 413 { 1606000, 500, 0xf9, 0x60 }, 414 { 1777000, 500, 0xf9, 0x80 }, 415 { 1941000, 500, 0xf9, 0xa0 }, 416 { 2250000, 500, 0xf9, 0xc0 }, 417 } 418 }; 419 420 static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf) 421 { 422 struct dvb_pll_priv *priv = fe->tuner_priv; 423 struct i2c_msg msg = { 424 .addr = priv->pll_i2c_address, 425 .flags = 0, 426 .buf = buf, 427 .len = 4 428 }; 429 int result; 430 431 if (fe->ops.i2c_gate_ctrl) 432 fe->ops.i2c_gate_ctrl(fe, 1); 433 434 result = i2c_transfer(priv->i2c, &msg, 1); 435 if (result != 1) 436 pr_err("%s: i2c_transfer failed:%d", 437 __func__, result); 438 439 buf[2] = 0x9e; 440 buf[3] = 0x90; 441 442 return; 443 } 444 445 /* unknown pll used in Samsung DTOS403IH102A DVB-C tuner */ 446 static const struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = { 447 .name = "Samsung DTOS403IH102A", 448 .min = 44250000, 449 .max = 858000000, 450 .iffreq = 36125000, 451 .count = 8, 452 .set = samsung_dtos403ih102a_set, 453 .entries = { 454 { 135000000, 62500, 0xbe, 0x01 }, 455 { 177000000, 62500, 0xf6, 0x01 }, 456 { 370000000, 62500, 0xbe, 0x02 }, 457 { 450000000, 62500, 0xf6, 0x02 }, 458 { 466000000, 62500, 0xfe, 0x02 }, 459 { 538000000, 62500, 0xbe, 0x08 }, 460 { 826000000, 62500, 0xf6, 0x08 }, 461 { 999999999, 62500, 0xfe, 0x08 }, 462 } 463 }; 464 465 /* Samsung TDTC9251DH0 DVB-T NIM, as used on AirStar 2 */ 466 static const struct dvb_pll_desc dvb_pll_samsung_tdtc9251dh0 = { 467 .name = "Samsung TDTC9251DH0", 468 .min = 48000000, 469 .max = 863000000, 470 .iffreq = 36166667, 471 .count = 3, 472 .entries = { 473 { 157500000, 166667, 0xcc, 0x09 }, 474 { 443000000, 166667, 0xcc, 0x0a }, 475 { 863000000, 166667, 0xcc, 0x08 }, 476 } 477 }; 478 479 /* Samsung TBDU18132 DVB-S NIM with TSA5059 PLL, used in SkyStar2 DVB-S 2.3 */ 480 static const struct dvb_pll_desc dvb_pll_samsung_tbdu18132 = { 481 .name = "Samsung TBDU18132", 482 .min = 950000, 483 .max = 2150000, /* guesses */ 484 .iffreq = 0, 485 .count = 2, 486 .entries = { 487 { 1550000, 125, 0x84, 0x82 }, 488 { 4095937, 125, 0x84, 0x80 }, 489 } 490 /* TSA5059 PLL has a 17 bit divisor rather than the 15 bits supported 491 * by this driver. The two extra bits are 0x60 in the third byte. 15 492 * bits is enough for over 4 GHz, which is enough to cover the range 493 * of this tuner. We could use the additional divisor bits by adding 494 * more entries, e.g. 495 { 0x0ffff * 125 + 125/2, 125, 0x84 | 0x20, }, 496 { 0x17fff * 125 + 125/2, 125, 0x84 | 0x40, }, 497 { 0x1ffff * 125 + 125/2, 125, 0x84 | 0x60, }, */ 498 }; 499 500 /* Samsung TBMU24112 DVB-S NIM with SL1935 zero-IF tuner */ 501 static const struct dvb_pll_desc dvb_pll_samsung_tbmu24112 = { 502 .name = "Samsung TBMU24112", 503 .min = 950000, 504 .max = 2150000, /* guesses */ 505 .iffreq = 0, 506 .count = 2, 507 .entries = { 508 { 1500000, 125, 0x84, 0x18 }, 509 { 9999999, 125, 0x84, 0x08 }, 510 } 511 }; 512 513 /* Alps TDEE4 DVB-C NIM, used on Cablestar 2 */ 514 /* byte 4 : 1 * * AGD R3 R2 R1 R0 515 * byte 5 : C1 * RE RTS BS4 BS3 BS2 BS1 516 * AGD = 1, R3 R2 R1 R0 = 0 1 0 1 => byte 4 = 1**10101 = 0x95 517 * Range(MHz) C1 * RE RTS BS4 BS3 BS2 BS1 Byte 5 518 * 47 - 153 0 * 0 0 0 0 0 1 0x01 519 * 153 - 430 0 * 0 0 0 0 1 0 0x02 520 * 430 - 822 0 * 0 0 1 0 0 0 0x08 521 * 822 - 862 1 * 0 0 1 0 0 0 0x88 */ 522 static const struct dvb_pll_desc dvb_pll_alps_tdee4 = { 523 .name = "ALPS TDEE4", 524 .min = 47000000, 525 .max = 862000000, 526 .iffreq = 36125000, 527 .count = 4, 528 .entries = { 529 { 153000000, 62500, 0x95, 0x01 }, 530 { 430000000, 62500, 0x95, 0x02 }, 531 { 822000000, 62500, 0x95, 0x08 }, 532 { 999999999, 62500, 0x95, 0x88 }, 533 } 534 }; 535 536 /* Infineon TUA6034 ISDB-T, used in Friio */ 537 /* CP cur. 50uA, AGC takeover: 103dBuV, PORT3 on */ 538 static const struct dvb_pll_desc dvb_pll_tua6034_friio = { 539 .name = "Infineon TUA6034 ISDB-T (Friio)", 540 .min = 90000000, 541 .max = 770000000, 542 .iffreq = 57000000, 543 .initdata = (u8[]){ 4, 0x9a, 0x50, 0xb2, 0x08 }, 544 .sleepdata = (u8[]){ 4, 0x9a, 0x70, 0xb3, 0x0b }, 545 .count = 3, 546 .entries = { 547 { 170000000, 142857, 0xba, 0x09 }, 548 { 470000000, 142857, 0xba, 0x0a }, 549 { 770000000, 142857, 0xb2, 0x08 }, 550 } 551 }; 552 553 /* Philips TDA6651 ISDB-T, used in Earthsoft PT1 */ 554 static const struct dvb_pll_desc dvb_pll_tda665x_earth_pt1 = { 555 .name = "Philips TDA6651 ISDB-T (EarthSoft PT1)", 556 .min = 90000000, 557 .max = 770000000, 558 .iffreq = 57000000, 559 .initdata = (u8[]){ 5, 0x0e, 0x7f, 0xc1, 0x80, 0x80 }, 560 .count = 10, 561 .entries = { 562 { 140000000, 142857, 0xc1, 0x81 }, 563 { 170000000, 142857, 0xc1, 0xa1 }, 564 { 220000000, 142857, 0xc1, 0x62 }, 565 { 330000000, 142857, 0xc1, 0xa2 }, 566 { 402000000, 142857, 0xc1, 0xe2 }, 567 { 450000000, 142857, 0xc1, 0x64 }, 568 { 550000000, 142857, 0xc1, 0x84 }, 569 { 600000000, 142857, 0xc1, 0xa4 }, 570 { 700000000, 142857, 0xc1, 0xc4 }, 571 { 770000000, 142857, 0xc1, 0xe4 }, 572 } 573 }; 574 575 /* ----------------------------------------------------------- */ 576 577 static const struct dvb_pll_desc *pll_list[] = { 578 [DVB_PLL_UNDEFINED] = NULL, 579 [DVB_PLL_THOMSON_DTT7579] = &dvb_pll_thomson_dtt7579, 580 [DVB_PLL_THOMSON_DTT759X] = &dvb_pll_thomson_dtt759x, 581 [DVB_PLL_THOMSON_DTT7520X] = &dvb_pll_thomson_dtt7520x, 582 [DVB_PLL_LG_Z201] = &dvb_pll_lg_z201, 583 [DVB_PLL_UNKNOWN_1] = &dvb_pll_unknown_1, 584 [DVB_PLL_TUA6010XS] = &dvb_pll_tua6010xs, 585 [DVB_PLL_ENV57H1XD5] = &dvb_pll_env57h1xd5, 586 [DVB_PLL_TUA6034] = &dvb_pll_tua6034, 587 [DVB_PLL_TDA665X] = &dvb_pll_tda665x, 588 [DVB_PLL_TDED4] = &dvb_pll_tded4, 589 [DVB_PLL_TDEE4] = &dvb_pll_alps_tdee4, 590 [DVB_PLL_TDHU2] = &dvb_pll_tdhu2, 591 [DVB_PLL_SAMSUNG_TBMV] = &dvb_pll_samsung_tbmv, 592 [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261, 593 [DVB_PLL_OPERA1] = &dvb_pll_opera1, 594 [DVB_PLL_SAMSUNG_DTOS403IH102A] = &dvb_pll_samsung_dtos403ih102a, 595 [DVB_PLL_SAMSUNG_TDTC9251DH0] = &dvb_pll_samsung_tdtc9251dh0, 596 [DVB_PLL_SAMSUNG_TBDU18132] = &dvb_pll_samsung_tbdu18132, 597 [DVB_PLL_SAMSUNG_TBMU24112] = &dvb_pll_samsung_tbmu24112, 598 [DVB_PLL_TUA6034_FRIIO] = &dvb_pll_tua6034_friio, 599 [DVB_PLL_TDA665X_EARTH_PT1] = &dvb_pll_tda665x_earth_pt1, 600 }; 601 602 /* ----------------------------------------------------------- */ 603 /* code */ 604 605 static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf, 606 const u32 frequency) 607 { 608 struct dvb_pll_priv *priv = fe->tuner_priv; 609 const struct dvb_pll_desc *desc = priv->pll_desc; 610 u32 div; 611 int i; 612 613 if (frequency && (frequency < desc->min || frequency > desc->max)) 614 return -EINVAL; 615 616 for (i = 0; i < desc->count; i++) { 617 if (frequency > desc->entries[i].limit) 618 continue; 619 break; 620 } 621 622 if (debug) 623 dprintk("pll: %s: freq=%d | i=%d/%d\n", desc->name, 624 frequency, i, desc->count); 625 if (i == desc->count) 626 return -EINVAL; 627 628 div = (frequency + desc->iffreq + 629 desc->entries[i].stepsize/2) / desc->entries[i].stepsize; 630 buf[0] = div >> 8; 631 buf[1] = div & 0xff; 632 buf[2] = desc->entries[i].config; 633 buf[3] = desc->entries[i].cb; 634 635 if (desc->set) 636 desc->set(fe, buf); 637 638 if (debug) 639 dprintk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", 640 desc->name, div, buf[0], buf[1], buf[2], buf[3]); 641 642 // calculate the frequency we set it to 643 return (div * desc->entries[i].stepsize) - desc->iffreq; 644 } 645 646 static void dvb_pll_release(struct dvb_frontend *fe) 647 { 648 kfree(fe->tuner_priv); 649 fe->tuner_priv = NULL; 650 } 651 652 static int dvb_pll_sleep(struct dvb_frontend *fe) 653 { 654 struct dvb_pll_priv *priv = fe->tuner_priv; 655 656 if (priv->i2c == NULL) 657 return -EINVAL; 658 659 if (priv->pll_desc->sleepdata) { 660 struct i2c_msg msg = { .flags = 0, 661 .addr = priv->pll_i2c_address, 662 .buf = priv->pll_desc->sleepdata + 1, 663 .len = priv->pll_desc->sleepdata[0] }; 664 665 int result; 666 667 if (fe->ops.i2c_gate_ctrl) 668 fe->ops.i2c_gate_ctrl(fe, 1); 669 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 670 return result; 671 } 672 return 0; 673 } 674 /* Shouldn't be called when initdata is NULL, maybe BUG()? */ 675 return -EINVAL; 676 } 677 678 static int dvb_pll_set_params(struct dvb_frontend *fe) 679 { 680 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 681 struct dvb_pll_priv *priv = fe->tuner_priv; 682 u8 buf[4]; 683 struct i2c_msg msg = 684 { .addr = priv->pll_i2c_address, .flags = 0, 685 .buf = buf, .len = sizeof(buf) }; 686 int result; 687 u32 frequency = 0; 688 689 if (priv->i2c == NULL) 690 return -EINVAL; 691 692 result = dvb_pll_configure(fe, buf, c->frequency); 693 if (result < 0) 694 return result; 695 else 696 frequency = result; 697 698 if (fe->ops.i2c_gate_ctrl) 699 fe->ops.i2c_gate_ctrl(fe, 1); 700 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 701 return result; 702 } 703 704 priv->frequency = frequency; 705 priv->bandwidth = c->bandwidth_hz; 706 707 return 0; 708 } 709 710 static int dvb_pll_calc_regs(struct dvb_frontend *fe, 711 u8 *buf, int buf_len) 712 { 713 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 714 struct dvb_pll_priv *priv = fe->tuner_priv; 715 int result; 716 u32 frequency = 0; 717 718 if (buf_len < 5) 719 return -EINVAL; 720 721 result = dvb_pll_configure(fe, buf + 1, c->frequency); 722 if (result < 0) 723 return result; 724 else 725 frequency = result; 726 727 buf[0] = priv->pll_i2c_address; 728 729 priv->frequency = frequency; 730 priv->bandwidth = c->bandwidth_hz; 731 732 return 5; 733 } 734 735 static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency) 736 { 737 struct dvb_pll_priv *priv = fe->tuner_priv; 738 *frequency = priv->frequency; 739 return 0; 740 } 741 742 static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) 743 { 744 struct dvb_pll_priv *priv = fe->tuner_priv; 745 *bandwidth = priv->bandwidth; 746 return 0; 747 } 748 749 static int dvb_pll_init(struct dvb_frontend *fe) 750 { 751 struct dvb_pll_priv *priv = fe->tuner_priv; 752 753 if (priv->i2c == NULL) 754 return -EINVAL; 755 756 if (priv->pll_desc->initdata) { 757 struct i2c_msg msg = { .flags = 0, 758 .addr = priv->pll_i2c_address, 759 .buf = priv->pll_desc->initdata + 1, 760 .len = priv->pll_desc->initdata[0] }; 761 762 int result; 763 if (fe->ops.i2c_gate_ctrl) 764 fe->ops.i2c_gate_ctrl(fe, 1); 765 result = i2c_transfer(priv->i2c, &msg, 1); 766 if (result != 1) 767 return result; 768 if (priv->pll_desc->initdata2) { 769 msg.buf = priv->pll_desc->initdata2 + 1; 770 msg.len = priv->pll_desc->initdata2[0]; 771 if (fe->ops.i2c_gate_ctrl) 772 fe->ops.i2c_gate_ctrl(fe, 1); 773 result = i2c_transfer(priv->i2c, &msg, 1); 774 if (result != 1) 775 return result; 776 } 777 return 0; 778 } 779 /* Shouldn't be called when initdata is NULL, maybe BUG()? */ 780 return -EINVAL; 781 } 782 783 static const struct dvb_tuner_ops dvb_pll_tuner_ops = { 784 .release = dvb_pll_release, 785 .sleep = dvb_pll_sleep, 786 .init = dvb_pll_init, 787 .set_params = dvb_pll_set_params, 788 .calc_regs = dvb_pll_calc_regs, 789 .get_frequency = dvb_pll_get_frequency, 790 .get_bandwidth = dvb_pll_get_bandwidth, 791 }; 792 793 struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, 794 struct i2c_adapter *i2c, 795 unsigned int pll_desc_id) 796 { 797 u8 *b1; 798 struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, .len = 1 }; 799 struct dvb_pll_priv *priv = NULL; 800 int ret; 801 const struct dvb_pll_desc *desc; 802 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 803 804 b1 = kmalloc(1, GFP_KERNEL); 805 if (!b1) 806 return NULL; 807 808 b1[0] = 0; 809 msg.buf = b1; 810 811 if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) && 812 (id[dvb_pll_devcount] < ARRAY_SIZE(pll_list))) 813 pll_desc_id = id[dvb_pll_devcount]; 814 815 BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list)); 816 817 desc = pll_list[pll_desc_id]; 818 819 if (i2c != NULL) { 820 if (fe->ops.i2c_gate_ctrl) 821 fe->ops.i2c_gate_ctrl(fe, 1); 822 823 ret = i2c_transfer (i2c, &msg, 1); 824 if (ret != 1) { 825 kfree(b1); 826 return NULL; 827 } 828 if (fe->ops.i2c_gate_ctrl) 829 fe->ops.i2c_gate_ctrl(fe, 0); 830 } 831 832 priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL); 833 if (!priv) { 834 kfree(b1); 835 return NULL; 836 } 837 838 priv->pll_i2c_address = pll_addr; 839 priv->i2c = i2c; 840 priv->pll_desc = desc; 841 priv->nr = dvb_pll_devcount++; 842 843 memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, 844 sizeof(struct dvb_tuner_ops)); 845 846 strncpy(fe->ops.tuner_ops.info.name, desc->name, 847 sizeof(fe->ops.tuner_ops.info.name)); 848 switch (c->delivery_system) { 849 case SYS_DVBS: 850 case SYS_DVBS2: 851 case SYS_TURBO: 852 case SYS_ISDBS: 853 fe->ops.tuner_ops.info.frequency_min_hz = desc->min * kHz; 854 fe->ops.tuner_ops.info.frequency_max_hz = desc->max * kHz; 855 break; 856 default: 857 fe->ops.tuner_ops.info.frequency_min_hz = desc->min; 858 fe->ops.tuner_ops.info.frequency_max_hz = desc->max; 859 } 860 861 if (!desc->initdata) 862 fe->ops.tuner_ops.init = NULL; 863 if (!desc->sleepdata) 864 fe->ops.tuner_ops.sleep = NULL; 865 866 fe->tuner_priv = priv; 867 868 if ((debug) || (id[priv->nr] == pll_desc_id)) { 869 dprintk("dvb-pll[%d]", priv->nr); 870 if (i2c != NULL) 871 pr_cont(" %d-%04x", i2c_adapter_id(i2c), pll_addr); 872 pr_cont(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name, 873 id[priv->nr] == pll_desc_id ? 874 "insmod option" : "autodetected"); 875 } 876 877 kfree(b1); 878 879 return fe; 880 } 881 EXPORT_SYMBOL(dvb_pll_attach); 882 883 884 static int 885 dvb_pll_probe(struct i2c_client *client, const struct i2c_device_id *id) 886 { 887 struct dvb_pll_config *cfg; 888 struct dvb_frontend *fe; 889 unsigned int desc_id; 890 891 cfg = client->dev.platform_data; 892 fe = cfg->fe; 893 i2c_set_clientdata(client, fe); 894 desc_id = (unsigned int) id->driver_data; 895 896 if (!dvb_pll_attach(fe, client->addr, client->adapter, desc_id)) 897 return -ENOMEM; 898 899 /* 900 * Unset tuner_ops.release (== dvb_pll_release) 901 * which has been just set in the above dvb_pll_attach(), 902 * because if tuner_ops.release was left defined, 903 * this module would be 'put' twice on exit: 904 * once by dvb_frontend_detach() and another by dvb_module_release(). 905 * 906 * dvb_pll_release is instead executed in the i2c driver's .remove(), 907 * keeping dvb_pll_attach untouched for legacy (dvb_attach) drivers. 908 */ 909 fe->ops.tuner_ops.release = NULL; 910 dev_info(&client->dev, "DVB Simple Tuner attached.\n"); 911 return 0; 912 } 913 914 static int dvb_pll_remove(struct i2c_client *client) 915 { 916 struct dvb_frontend *fe; 917 918 fe = i2c_get_clientdata(client); 919 dvb_pll_release(fe); 920 return 0; 921 } 922 923 924 static const struct i2c_device_id dvb_pll_id[] = { 925 {"dtt7579", DVB_PLL_THOMSON_DTT7579}, 926 {"dtt759x", DVB_PLL_THOMSON_DTT759X}, 927 {"z201", DVB_PLL_LG_Z201}, 928 {"unknown_1", DVB_PLL_UNKNOWN_1}, 929 {"tua6010xs", DVB_PLL_TUA6010XS}, 930 {"env57h1xd5", DVB_PLL_ENV57H1XD5}, 931 {"tua6034", DVB_PLL_TUA6034}, 932 {"tda665x", DVB_PLL_TDA665X}, 933 {"tded4", DVB_PLL_TDED4}, 934 {"tdhu2", DVB_PLL_TDHU2}, 935 {"tbmv", DVB_PLL_SAMSUNG_TBMV}, 936 {"sd1878_tda8261", DVB_PLL_PHILIPS_SD1878_TDA8261}, 937 {"opera1", DVB_PLL_OPERA1}, 938 {"dtos403ih102a", DVB_PLL_SAMSUNG_DTOS403IH102A}, 939 {"tdtc9251dh0", DVB_PLL_SAMSUNG_TDTC9251DH0}, 940 {"tbdu18132", DVB_PLL_SAMSUNG_TBDU18132}, 941 {"tbmu24112", DVB_PLL_SAMSUNG_TBMU24112}, 942 {"tdee4", DVB_PLL_TDEE4}, 943 {"dtt7520x", DVB_PLL_THOMSON_DTT7520X}, 944 {"tua6034_friio", DVB_PLL_TUA6034_FRIIO}, 945 {"tda665x_earthpt1", DVB_PLL_TDA665X_EARTH_PT1}, 946 {} 947 }; 948 949 950 MODULE_DEVICE_TABLE(i2c, dvb_pll_id); 951 952 static struct i2c_driver dvb_pll_driver = { 953 .driver = { 954 .name = "dvb_pll", 955 }, 956 .probe = dvb_pll_probe, 957 .remove = dvb_pll_remove, 958 .id_table = dvb_pll_id, 959 }; 960 961 module_i2c_driver(dvb_pll_driver); 962 963 MODULE_DESCRIPTION("dvb pll library"); 964 MODULE_AUTHOR("Gerd Knorr"); 965 MODULE_LICENSE("GPL"); 966