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 /* ----------------------------------------------------------- */ 537 538 static const struct dvb_pll_desc *pll_list[] = { 539 [DVB_PLL_UNDEFINED] = NULL, 540 [DVB_PLL_THOMSON_DTT7579] = &dvb_pll_thomson_dtt7579, 541 [DVB_PLL_THOMSON_DTT759X] = &dvb_pll_thomson_dtt759x, 542 [DVB_PLL_THOMSON_DTT7520X] = &dvb_pll_thomson_dtt7520x, 543 [DVB_PLL_LG_Z201] = &dvb_pll_lg_z201, 544 [DVB_PLL_UNKNOWN_1] = &dvb_pll_unknown_1, 545 [DVB_PLL_TUA6010XS] = &dvb_pll_tua6010xs, 546 [DVB_PLL_ENV57H1XD5] = &dvb_pll_env57h1xd5, 547 [DVB_PLL_TUA6034] = &dvb_pll_tua6034, 548 [DVB_PLL_TDA665X] = &dvb_pll_tda665x, 549 [DVB_PLL_TDED4] = &dvb_pll_tded4, 550 [DVB_PLL_TDEE4] = &dvb_pll_alps_tdee4, 551 [DVB_PLL_TDHU2] = &dvb_pll_tdhu2, 552 [DVB_PLL_SAMSUNG_TBMV] = &dvb_pll_samsung_tbmv, 553 [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261, 554 [DVB_PLL_OPERA1] = &dvb_pll_opera1, 555 [DVB_PLL_SAMSUNG_DTOS403IH102A] = &dvb_pll_samsung_dtos403ih102a, 556 [DVB_PLL_SAMSUNG_TDTC9251DH0] = &dvb_pll_samsung_tdtc9251dh0, 557 [DVB_PLL_SAMSUNG_TBDU18132] = &dvb_pll_samsung_tbdu18132, 558 [DVB_PLL_SAMSUNG_TBMU24112] = &dvb_pll_samsung_tbmu24112, 559 }; 560 561 /* ----------------------------------------------------------- */ 562 /* code */ 563 564 static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf, 565 const u32 frequency) 566 { 567 struct dvb_pll_priv *priv = fe->tuner_priv; 568 const struct dvb_pll_desc *desc = priv->pll_desc; 569 u32 div; 570 int i; 571 572 if (frequency && (frequency < desc->min || frequency > desc->max)) 573 return -EINVAL; 574 575 for (i = 0; i < desc->count; i++) { 576 if (frequency > desc->entries[i].limit) 577 continue; 578 break; 579 } 580 581 if (debug) 582 dprintk("pll: %s: freq=%d | i=%d/%d\n", desc->name, 583 frequency, i, desc->count); 584 if (i == desc->count) 585 return -EINVAL; 586 587 div = (frequency + desc->iffreq + 588 desc->entries[i].stepsize/2) / desc->entries[i].stepsize; 589 buf[0] = div >> 8; 590 buf[1] = div & 0xff; 591 buf[2] = desc->entries[i].config; 592 buf[3] = desc->entries[i].cb; 593 594 if (desc->set) 595 desc->set(fe, buf); 596 597 if (debug) 598 dprintk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", 599 desc->name, div, buf[0], buf[1], buf[2], buf[3]); 600 601 // calculate the frequency we set it to 602 return (div * desc->entries[i].stepsize) - desc->iffreq; 603 } 604 605 static void dvb_pll_release(struct dvb_frontend *fe) 606 { 607 kfree(fe->tuner_priv); 608 fe->tuner_priv = NULL; 609 } 610 611 static 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 } 636 637 static 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 } 668 669 static 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 } 693 694 static 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 } 700 701 static 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 } 707 708 static 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 } 741 742 static const 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 }; 751 752 struct 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; 757 struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, .len = 1 }; 758 struct dvb_pll_priv *priv = NULL; 759 int ret; 760 const struct dvb_pll_desc *desc; 761 762 b1 = kmalloc(1, GFP_KERNEL); 763 if (!b1) 764 return NULL; 765 766 b1[0] = 0; 767 msg.buf = b1; 768 769 if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) && 770 (id[dvb_pll_devcount] < ARRAY_SIZE(pll_list))) 771 pll_desc_id = id[dvb_pll_devcount]; 772 773 BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list)); 774 775 desc = pll_list[pll_desc_id]; 776 777 if (i2c != NULL) { 778 if (fe->ops.i2c_gate_ctrl) 779 fe->ops.i2c_gate_ctrl(fe, 1); 780 781 ret = i2c_transfer (i2c, &msg, 1); 782 if (ret != 1) { 783 kfree(b1); 784 return NULL; 785 } 786 if (fe->ops.i2c_gate_ctrl) 787 fe->ops.i2c_gate_ctrl(fe, 0); 788 } 789 790 priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL); 791 if (!priv) { 792 kfree(b1); 793 return NULL; 794 } 795 796 priv->pll_i2c_address = pll_addr; 797 priv->i2c = i2c; 798 priv->pll_desc = desc; 799 priv->nr = dvb_pll_devcount++; 800 801 memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, 802 sizeof(struct dvb_tuner_ops)); 803 804 strncpy(fe->ops.tuner_ops.info.name, desc->name, 805 sizeof(fe->ops.tuner_ops.info.name)); 806 fe->ops.tuner_ops.info.frequency_min = desc->min; 807 fe->ops.tuner_ops.info.frequency_max = desc->max; 808 if (!desc->initdata) 809 fe->ops.tuner_ops.init = NULL; 810 if (!desc->sleepdata) 811 fe->ops.tuner_ops.sleep = NULL; 812 813 fe->tuner_priv = priv; 814 815 if ((debug) || (id[priv->nr] == pll_desc_id)) { 816 dprintk("dvb-pll[%d]", priv->nr); 817 if (i2c != NULL) 818 pr_cont(" %d-%04x", i2c_adapter_id(i2c), pll_addr); 819 pr_cont(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name, 820 id[priv->nr] == pll_desc_id ? 821 "insmod option" : "autodetected"); 822 } 823 824 kfree(b1); 825 826 return fe; 827 } 828 EXPORT_SYMBOL(dvb_pll_attach); 829 830 MODULE_DESCRIPTION("dvb pll library"); 831 MODULE_AUTHOR("Gerd Knorr"); 832 MODULE_LICENSE("GPL"); 833