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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 22 23 #include <linux/slab.h> 24 #include <linux/module.h> 25 #include <linux/dvb/frontend.h> 26 #include <asm/types.h> 27 28 #include "dvb-pll.h" 29 30 #define dprintk(fmt, arg...) \ 31 printk(KERN_DEBUG pr_fmt("%s: " fmt), __func__, ##arg) 32 33 struct dvb_pll_priv { 34 /* pll number */ 35 int nr; 36 37 /* i2c details */ 38 int pll_i2c_address; 39 struct i2c_adapter *i2c; 40 41 /* the PLL descriptor */ 42 const struct dvb_pll_desc *pll_desc; 43 44 /* cached frequency/bandwidth */ 45 u32 frequency; 46 u32 bandwidth; 47 }; 48 49 #define DVB_PLL_MAX 64 50 51 static unsigned int dvb_pll_devcount; 52 53 static int debug; 54 module_param(debug, int, 0644); 55 MODULE_PARM_DESC(debug, "enable verbose debug messages"); 56 57 static unsigned int id[DVB_PLL_MAX] = 58 { [ 0 ... (DVB_PLL_MAX-1) ] = DVB_PLL_UNDEFINED }; 59 module_param_array(id, int, NULL, 0644); 60 MODULE_PARM_DESC(id, "force pll id to use (DEBUG ONLY)"); 61 62 /* ----------------------------------------------------------- */ 63 64 struct dvb_pll_desc { 65 const char *name; 66 u32 min; 67 u32 max; 68 u32 iffreq; 69 void (*set)(struct dvb_frontend *fe, u8 *buf); 70 u8 *initdata; 71 u8 *initdata2; 72 u8 *sleepdata; 73 int count; 74 struct { 75 u32 limit; 76 u32 stepsize; 77 u8 config; 78 u8 cb; 79 } entries[]; 80 }; 81 82 /* ----------------------------------------------------------- */ 83 /* descriptions */ 84 85 static const struct dvb_pll_desc dvb_pll_thomson_dtt7579 = { 86 .name = "Thomson dtt7579", 87 .min = 177000000, 88 .max = 858000000, 89 .iffreq= 36166667, 90 .sleepdata = (u8[]){ 2, 0xb4, 0x03 }, 91 .count = 4, 92 .entries = { 93 { 443250000, 166667, 0xb4, 0x02 }, 94 { 542000000, 166667, 0xb4, 0x08 }, 95 { 771000000, 166667, 0xbc, 0x08 }, 96 { 999999999, 166667, 0xf4, 0x08 }, 97 }, 98 }; 99 100 static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf) 101 { 102 u32 bw = fe->dtv_property_cache.bandwidth_hz; 103 if (bw == 7000000) 104 buf[3] |= 0x10; 105 } 106 107 static const struct dvb_pll_desc dvb_pll_thomson_dtt759x = { 108 .name = "Thomson dtt759x", 109 .min = 177000000, 110 .max = 896000000, 111 .set = thomson_dtt759x_bw, 112 .iffreq= 36166667, 113 .sleepdata = (u8[]){ 2, 0x84, 0x03 }, 114 .count = 5, 115 .entries = { 116 { 264000000, 166667, 0xb4, 0x02 }, 117 { 470000000, 166667, 0xbc, 0x02 }, 118 { 735000000, 166667, 0xbc, 0x08 }, 119 { 835000000, 166667, 0xf4, 0x08 }, 120 { 999999999, 166667, 0xfc, 0x08 }, 121 }, 122 }; 123 124 static void thomson_dtt7520x_bw(struct dvb_frontend *fe, u8 *buf) 125 { 126 u32 bw = fe->dtv_property_cache.bandwidth_hz; 127 if (bw == 8000000) 128 buf[3] ^= 0x10; 129 } 130 131 static const struct dvb_pll_desc dvb_pll_thomson_dtt7520x = { 132 .name = "Thomson dtt7520x", 133 .min = 185000000, 134 .max = 900000000, 135 .set = thomson_dtt7520x_bw, 136 .iffreq = 36166667, 137 .count = 7, 138 .entries = { 139 { 305000000, 166667, 0xb4, 0x12 }, 140 { 405000000, 166667, 0xbc, 0x12 }, 141 { 445000000, 166667, 0xbc, 0x12 }, 142 { 465000000, 166667, 0xf4, 0x18 }, 143 { 735000000, 166667, 0xfc, 0x18 }, 144 { 835000000, 166667, 0xbc, 0x18 }, 145 { 999999999, 166667, 0xfc, 0x18 }, 146 }, 147 }; 148 149 static const struct dvb_pll_desc dvb_pll_lg_z201 = { 150 .name = "LG z201", 151 .min = 174000000, 152 .max = 862000000, 153 .iffreq= 36166667, 154 .sleepdata = (u8[]){ 2, 0xbc, 0x03 }, 155 .count = 5, 156 .entries = { 157 { 157500000, 166667, 0xbc, 0x01 }, 158 { 443250000, 166667, 0xbc, 0x02 }, 159 { 542000000, 166667, 0xbc, 0x04 }, 160 { 830000000, 166667, 0xf4, 0x04 }, 161 { 999999999, 166667, 0xfc, 0x04 }, 162 }, 163 }; 164 165 static const struct dvb_pll_desc dvb_pll_unknown_1 = { 166 .name = "unknown 1", /* used by dntv live dvb-t */ 167 .min = 174000000, 168 .max = 862000000, 169 .iffreq= 36166667, 170 .count = 9, 171 .entries = { 172 { 150000000, 166667, 0xb4, 0x01 }, 173 { 173000000, 166667, 0xbc, 0x01 }, 174 { 250000000, 166667, 0xb4, 0x02 }, 175 { 400000000, 166667, 0xbc, 0x02 }, 176 { 420000000, 166667, 0xf4, 0x02 }, 177 { 470000000, 166667, 0xfc, 0x02 }, 178 { 600000000, 166667, 0xbc, 0x08 }, 179 { 730000000, 166667, 0xf4, 0x08 }, 180 { 999999999, 166667, 0xfc, 0x08 }, 181 }, 182 }; 183 184 /* Infineon TUA6010XS 185 * used in Thomson Cable Tuner 186 */ 187 static const struct dvb_pll_desc dvb_pll_tua6010xs = { 188 .name = "Infineon TUA6010XS", 189 .min = 44250000, 190 .max = 858000000, 191 .iffreq= 36125000, 192 .count = 3, 193 .entries = { 194 { 115750000, 62500, 0x8e, 0x03 }, 195 { 403250000, 62500, 0x8e, 0x06 }, 196 { 999999999, 62500, 0x8e, 0x85 }, 197 }, 198 }; 199 200 /* Panasonic env57h1xd5 (some Philips PLL ?) */ 201 static const struct dvb_pll_desc dvb_pll_env57h1xd5 = { 202 .name = "Panasonic ENV57H1XD5", 203 .min = 44250000, 204 .max = 858000000, 205 .iffreq= 36125000, 206 .count = 4, 207 .entries = { 208 { 153000000, 166667, 0xc2, 0x41 }, 209 { 470000000, 166667, 0xc2, 0x42 }, 210 { 526000000, 166667, 0xc2, 0x84 }, 211 { 999999999, 166667, 0xc2, 0xa4 }, 212 }, 213 }; 214 215 /* Philips TDA6650/TDA6651 216 * used in Panasonic ENV77H11D5 217 */ 218 static void tda665x_bw(struct dvb_frontend *fe, u8 *buf) 219 { 220 u32 bw = fe->dtv_property_cache.bandwidth_hz; 221 if (bw == 8000000) 222 buf[3] |= 0x08; 223 } 224 225 static const struct dvb_pll_desc dvb_pll_tda665x = { 226 .name = "Philips TDA6650/TDA6651", 227 .min = 44250000, 228 .max = 858000000, 229 .set = tda665x_bw, 230 .iffreq= 36166667, 231 .initdata = (u8[]){ 4, 0x0b, 0xf5, 0x85, 0xab }, 232 .count = 12, 233 .entries = { 234 { 93834000, 166667, 0xca, 0x61 /* 011 0 0 0 01 */ }, 235 { 123834000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, 236 { 161000000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, 237 { 163834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, 238 { 253834000, 166667, 0xca, 0x62 /* 011 0 0 0 10 */ }, 239 { 383834000, 166667, 0xca, 0xa2 /* 101 0 0 0 10 */ }, 240 { 443834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, 241 { 444000000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, 242 { 583834000, 166667, 0xca, 0x64 /* 011 0 0 1 00 */ }, 243 { 793834000, 166667, 0xca, 0xa4 /* 101 0 0 1 00 */ }, 244 { 444834000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, 245 { 861000000, 166667, 0xca, 0xe4 /* 111 0 0 1 00 */ }, 246 } 247 }; 248 249 /* Infineon TUA6034 250 * used in LG TDTP E102P 251 */ 252 static void tua6034_bw(struct dvb_frontend *fe, u8 *buf) 253 { 254 u32 bw = fe->dtv_property_cache.bandwidth_hz; 255 if (bw == 7000000) 256 buf[3] |= 0x08; 257 } 258 259 static const struct dvb_pll_desc dvb_pll_tua6034 = { 260 .name = "Infineon TUA6034", 261 .min = 44250000, 262 .max = 858000000, 263 .iffreq= 36166667, 264 .count = 3, 265 .set = tua6034_bw, 266 .entries = { 267 { 174500000, 62500, 0xce, 0x01 }, 268 { 230000000, 62500, 0xce, 0x02 }, 269 { 999999999, 62500, 0xce, 0x04 }, 270 }, 271 }; 272 273 /* ALPS TDED4 274 * used in Nebula-Cards and USB boxes 275 */ 276 static void tded4_bw(struct dvb_frontend *fe, u8 *buf) 277 { 278 u32 bw = fe->dtv_property_cache.bandwidth_hz; 279 if (bw == 8000000) 280 buf[3] |= 0x04; 281 } 282 283 static const struct dvb_pll_desc dvb_pll_tded4 = { 284 .name = "ALPS TDED4", 285 .min = 47000000, 286 .max = 863000000, 287 .iffreq= 36166667, 288 .set = tded4_bw, 289 .count = 4, 290 .entries = { 291 { 153000000, 166667, 0x85, 0x01 }, 292 { 470000000, 166667, 0x85, 0x02 }, 293 { 823000000, 166667, 0x85, 0x08 }, 294 { 999999999, 166667, 0x85, 0x88 }, 295 } 296 }; 297 298 /* ALPS TDHU2 299 * used in AverTVHD MCE A180 300 */ 301 static const struct dvb_pll_desc dvb_pll_tdhu2 = { 302 .name = "ALPS TDHU2", 303 .min = 54000000, 304 .max = 864000000, 305 .iffreq= 44000000, 306 .count = 4, 307 .entries = { 308 { 162000000, 62500, 0x85, 0x01 }, 309 { 426000000, 62500, 0x85, 0x02 }, 310 { 782000000, 62500, 0x85, 0x08 }, 311 { 999999999, 62500, 0x85, 0x88 }, 312 } 313 }; 314 315 /* Samsung TBMV30111IN / TBMV30712IN1 316 * used in Air2PC ATSC - 2nd generation (nxt2002) 317 */ 318 static const struct dvb_pll_desc dvb_pll_samsung_tbmv = { 319 .name = "Samsung TBMV30111IN / TBMV30712IN1", 320 .min = 54000000, 321 .max = 860000000, 322 .iffreq= 44000000, 323 .count = 6, 324 .entries = { 325 { 172000000, 166667, 0xb4, 0x01 }, 326 { 214000000, 166667, 0xb4, 0x02 }, 327 { 467000000, 166667, 0xbc, 0x02 }, 328 { 721000000, 166667, 0xbc, 0x08 }, 329 { 841000000, 166667, 0xf4, 0x08 }, 330 { 999999999, 166667, 0xfc, 0x02 }, 331 } 332 }; 333 334 /* 335 * Philips SD1878 Tuner. 336 */ 337 static const struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = { 338 .name = "Philips SD1878", 339 .min = 950000, 340 .max = 2150000, 341 .iffreq= 249, /* zero-IF, offset 249 is to round up */ 342 .count = 4, 343 .entries = { 344 { 1250000, 500, 0xc4, 0x00}, 345 { 1450000, 500, 0xc4, 0x40}, 346 { 2050000, 500, 0xc4, 0x80}, 347 { 2150000, 500, 0xc4, 0xc0}, 348 }, 349 }; 350 351 static void opera1_bw(struct dvb_frontend *fe, u8 *buf) 352 { 353 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 354 struct dvb_pll_priv *priv = fe->tuner_priv; 355 u32 b_w = (c->symbol_rate * 27) / 32000; 356 struct i2c_msg msg = { 357 .addr = priv->pll_i2c_address, 358 .flags = 0, 359 .buf = buf, 360 .len = 4 361 }; 362 int result; 363 u8 lpf; 364 365 if (fe->ops.i2c_gate_ctrl) 366 fe->ops.i2c_gate_ctrl(fe, 1); 367 368 result = i2c_transfer(priv->i2c, &msg, 1); 369 if (result != 1) 370 pr_err("%s: i2c_transfer failed:%d", 371 __func__, result); 372 373 if (b_w <= 10000) 374 lpf = 0xc; 375 else if (b_w <= 12000) 376 lpf = 0x2; 377 else if (b_w <= 14000) 378 lpf = 0xa; 379 else if (b_w <= 16000) 380 lpf = 0x6; 381 else if (b_w <= 18000) 382 lpf = 0xe; 383 else if (b_w <= 20000) 384 lpf = 0x1; 385 else if (b_w <= 22000) 386 lpf = 0x9; 387 else if (b_w <= 24000) 388 lpf = 0x5; 389 else if (b_w <= 26000) 390 lpf = 0xd; 391 else if (b_w <= 28000) 392 lpf = 0x3; 393 else 394 lpf = 0xb; 395 buf[2] ^= 0x1c; /* Flip bits 3-5 */ 396 /* Set lpf */ 397 buf[2] |= ((lpf >> 2) & 0x3) << 3; 398 buf[3] |= (lpf & 0x3) << 2; 399 400 return; 401 } 402 403 static const struct dvb_pll_desc dvb_pll_opera1 = { 404 .name = "Opera Tuner", 405 .min = 900000, 406 .max = 2250000, 407 .initdata = (u8[]){ 4, 0x08, 0xe5, 0xe1, 0x00 }, 408 .initdata2 = (u8[]){ 4, 0x08, 0xe5, 0xe5, 0x00 }, 409 .iffreq= 0, 410 .set = opera1_bw, 411 .count = 8, 412 .entries = { 413 { 1064000, 500, 0xf9, 0xc2 }, 414 { 1169000, 500, 0xf9, 0xe2 }, 415 { 1299000, 500, 0xf9, 0x20 }, 416 { 1444000, 500, 0xf9, 0x40 }, 417 { 1606000, 500, 0xf9, 0x60 }, 418 { 1777000, 500, 0xf9, 0x80 }, 419 { 1941000, 500, 0xf9, 0xa0 }, 420 { 2250000, 500, 0xf9, 0xc0 }, 421 } 422 }; 423 424 static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf) 425 { 426 struct dvb_pll_priv *priv = fe->tuner_priv; 427 struct i2c_msg msg = { 428 .addr = priv->pll_i2c_address, 429 .flags = 0, 430 .buf = buf, 431 .len = 4 432 }; 433 int result; 434 435 if (fe->ops.i2c_gate_ctrl) 436 fe->ops.i2c_gate_ctrl(fe, 1); 437 438 result = i2c_transfer(priv->i2c, &msg, 1); 439 if (result != 1) 440 pr_err("%s: i2c_transfer failed:%d", 441 __func__, result); 442 443 buf[2] = 0x9e; 444 buf[3] = 0x90; 445 446 return; 447 } 448 449 /* unknown pll used in Samsung DTOS403IH102A DVB-C tuner */ 450 static const struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = { 451 .name = "Samsung DTOS403IH102A", 452 .min = 44250000, 453 .max = 858000000, 454 .iffreq = 36125000, 455 .count = 8, 456 .set = samsung_dtos403ih102a_set, 457 .entries = { 458 { 135000000, 62500, 0xbe, 0x01 }, 459 { 177000000, 62500, 0xf6, 0x01 }, 460 { 370000000, 62500, 0xbe, 0x02 }, 461 { 450000000, 62500, 0xf6, 0x02 }, 462 { 466000000, 62500, 0xfe, 0x02 }, 463 { 538000000, 62500, 0xbe, 0x08 }, 464 { 826000000, 62500, 0xf6, 0x08 }, 465 { 999999999, 62500, 0xfe, 0x08 }, 466 } 467 }; 468 469 /* Samsung TDTC9251DH0 DVB-T NIM, as used on AirStar 2 */ 470 static const struct dvb_pll_desc dvb_pll_samsung_tdtc9251dh0 = { 471 .name = "Samsung TDTC9251DH0", 472 .min = 48000000, 473 .max = 863000000, 474 .iffreq = 36166667, 475 .count = 3, 476 .entries = { 477 { 157500000, 166667, 0xcc, 0x09 }, 478 { 443000000, 166667, 0xcc, 0x0a }, 479 { 863000000, 166667, 0xcc, 0x08 }, 480 } 481 }; 482 483 /* Samsung TBDU18132 DVB-S NIM with TSA5059 PLL, used in SkyStar2 DVB-S 2.3 */ 484 static const struct dvb_pll_desc dvb_pll_samsung_tbdu18132 = { 485 .name = "Samsung TBDU18132", 486 .min = 950000, 487 .max = 2150000, /* guesses */ 488 .iffreq = 0, 489 .count = 2, 490 .entries = { 491 { 1550000, 125, 0x84, 0x82 }, 492 { 4095937, 125, 0x84, 0x80 }, 493 } 494 /* TSA5059 PLL has a 17 bit divisor rather than the 15 bits supported 495 * by this driver. The two extra bits are 0x60 in the third byte. 15 496 * bits is enough for over 4 GHz, which is enough to cover the range 497 * of this tuner. We could use the additional divisor bits by adding 498 * more entries, e.g. 499 { 0x0ffff * 125 + 125/2, 125, 0x84 | 0x20, }, 500 { 0x17fff * 125 + 125/2, 125, 0x84 | 0x40, }, 501 { 0x1ffff * 125 + 125/2, 125, 0x84 | 0x60, }, */ 502 }; 503 504 /* Samsung TBMU24112 DVB-S NIM with SL1935 zero-IF tuner */ 505 static const struct dvb_pll_desc dvb_pll_samsung_tbmu24112 = { 506 .name = "Samsung TBMU24112", 507 .min = 950000, 508 .max = 2150000, /* guesses */ 509 .iffreq = 0, 510 .count = 2, 511 .entries = { 512 { 1500000, 125, 0x84, 0x18 }, 513 { 9999999, 125, 0x84, 0x08 }, 514 } 515 }; 516 517 /* Alps TDEE4 DVB-C NIM, used on Cablestar 2 */ 518 /* byte 4 : 1 * * AGD R3 R2 R1 R0 519 * byte 5 : C1 * RE RTS BS4 BS3 BS2 BS1 520 * AGD = 1, R3 R2 R1 R0 = 0 1 0 1 => byte 4 = 1**10101 = 0x95 521 * Range(MHz) C1 * RE RTS BS4 BS3 BS2 BS1 Byte 5 522 * 47 - 153 0 * 0 0 0 0 0 1 0x01 523 * 153 - 430 0 * 0 0 0 0 1 0 0x02 524 * 430 - 822 0 * 0 0 1 0 0 0 0x08 525 * 822 - 862 1 * 0 0 1 0 0 0 0x88 */ 526 static const struct dvb_pll_desc dvb_pll_alps_tdee4 = { 527 .name = "ALPS TDEE4", 528 .min = 47000000, 529 .max = 862000000, 530 .iffreq = 36125000, 531 .count = 4, 532 .entries = { 533 { 153000000, 62500, 0x95, 0x01 }, 534 { 430000000, 62500, 0x95, 0x02 }, 535 { 822000000, 62500, 0x95, 0x08 }, 536 { 999999999, 62500, 0x95, 0x88 }, 537 } 538 }; 539 540 /* ----------------------------------------------------------- */ 541 542 static const struct dvb_pll_desc *pll_list[] = { 543 [DVB_PLL_UNDEFINED] = NULL, 544 [DVB_PLL_THOMSON_DTT7579] = &dvb_pll_thomson_dtt7579, 545 [DVB_PLL_THOMSON_DTT759X] = &dvb_pll_thomson_dtt759x, 546 [DVB_PLL_THOMSON_DTT7520X] = &dvb_pll_thomson_dtt7520x, 547 [DVB_PLL_LG_Z201] = &dvb_pll_lg_z201, 548 [DVB_PLL_UNKNOWN_1] = &dvb_pll_unknown_1, 549 [DVB_PLL_TUA6010XS] = &dvb_pll_tua6010xs, 550 [DVB_PLL_ENV57H1XD5] = &dvb_pll_env57h1xd5, 551 [DVB_PLL_TUA6034] = &dvb_pll_tua6034, 552 [DVB_PLL_TDA665X] = &dvb_pll_tda665x, 553 [DVB_PLL_TDED4] = &dvb_pll_tded4, 554 [DVB_PLL_TDEE4] = &dvb_pll_alps_tdee4, 555 [DVB_PLL_TDHU2] = &dvb_pll_tdhu2, 556 [DVB_PLL_SAMSUNG_TBMV] = &dvb_pll_samsung_tbmv, 557 [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261, 558 [DVB_PLL_OPERA1] = &dvb_pll_opera1, 559 [DVB_PLL_SAMSUNG_DTOS403IH102A] = &dvb_pll_samsung_dtos403ih102a, 560 [DVB_PLL_SAMSUNG_TDTC9251DH0] = &dvb_pll_samsung_tdtc9251dh0, 561 [DVB_PLL_SAMSUNG_TBDU18132] = &dvb_pll_samsung_tbdu18132, 562 [DVB_PLL_SAMSUNG_TBMU24112] = &dvb_pll_samsung_tbmu24112, 563 }; 564 565 /* ----------------------------------------------------------- */ 566 /* code */ 567 568 static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf, 569 const u32 frequency) 570 { 571 struct dvb_pll_priv *priv = fe->tuner_priv; 572 const struct dvb_pll_desc *desc = priv->pll_desc; 573 u32 div; 574 int i; 575 576 if (frequency && (frequency < desc->min || frequency > desc->max)) 577 return -EINVAL; 578 579 for (i = 0; i < desc->count; i++) { 580 if (frequency > desc->entries[i].limit) 581 continue; 582 break; 583 } 584 585 if (debug) 586 dprintk("pll: %s: freq=%d | i=%d/%d\n", desc->name, 587 frequency, i, desc->count); 588 if (i == desc->count) 589 return -EINVAL; 590 591 div = (frequency + desc->iffreq + 592 desc->entries[i].stepsize/2) / desc->entries[i].stepsize; 593 buf[0] = div >> 8; 594 buf[1] = div & 0xff; 595 buf[2] = desc->entries[i].config; 596 buf[3] = desc->entries[i].cb; 597 598 if (desc->set) 599 desc->set(fe, buf); 600 601 if (debug) 602 dprintk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", 603 desc->name, div, buf[0], buf[1], buf[2], buf[3]); 604 605 // calculate the frequency we set it to 606 return (div * desc->entries[i].stepsize) - desc->iffreq; 607 } 608 609 static int dvb_pll_release(struct dvb_frontend *fe) 610 { 611 kfree(fe->tuner_priv); 612 fe->tuner_priv = NULL; 613 return 0; 614 } 615 616 static int dvb_pll_sleep(struct dvb_frontend *fe) 617 { 618 struct dvb_pll_priv *priv = fe->tuner_priv; 619 620 if (priv->i2c == NULL) 621 return -EINVAL; 622 623 if (priv->pll_desc->sleepdata) { 624 struct i2c_msg msg = { .flags = 0, 625 .addr = priv->pll_i2c_address, 626 .buf = priv->pll_desc->sleepdata + 1, 627 .len = priv->pll_desc->sleepdata[0] }; 628 629 int result; 630 631 if (fe->ops.i2c_gate_ctrl) 632 fe->ops.i2c_gate_ctrl(fe, 1); 633 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 634 return result; 635 } 636 return 0; 637 } 638 /* Shouldn't be called when initdata is NULL, maybe BUG()? */ 639 return -EINVAL; 640 } 641 642 static int dvb_pll_set_params(struct dvb_frontend *fe) 643 { 644 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 645 struct dvb_pll_priv *priv = fe->tuner_priv; 646 u8 buf[4]; 647 struct i2c_msg msg = 648 { .addr = priv->pll_i2c_address, .flags = 0, 649 .buf = buf, .len = sizeof(buf) }; 650 int result; 651 u32 frequency = 0; 652 653 if (priv->i2c == NULL) 654 return -EINVAL; 655 656 result = dvb_pll_configure(fe, buf, c->frequency); 657 if (result < 0) 658 return result; 659 else 660 frequency = result; 661 662 if (fe->ops.i2c_gate_ctrl) 663 fe->ops.i2c_gate_ctrl(fe, 1); 664 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 665 return result; 666 } 667 668 priv->frequency = frequency; 669 priv->bandwidth = c->bandwidth_hz; 670 671 return 0; 672 } 673 674 static int dvb_pll_calc_regs(struct dvb_frontend *fe, 675 u8 *buf, int buf_len) 676 { 677 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 678 struct dvb_pll_priv *priv = fe->tuner_priv; 679 int result; 680 u32 frequency = 0; 681 682 if (buf_len < 5) 683 return -EINVAL; 684 685 result = dvb_pll_configure(fe, buf + 1, c->frequency); 686 if (result < 0) 687 return result; 688 else 689 frequency = result; 690 691 buf[0] = priv->pll_i2c_address; 692 693 priv->frequency = frequency; 694 priv->bandwidth = c->bandwidth_hz; 695 696 return 5; 697 } 698 699 static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency) 700 { 701 struct dvb_pll_priv *priv = fe->tuner_priv; 702 *frequency = priv->frequency; 703 return 0; 704 } 705 706 static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) 707 { 708 struct dvb_pll_priv *priv = fe->tuner_priv; 709 *bandwidth = priv->bandwidth; 710 return 0; 711 } 712 713 static int dvb_pll_init(struct dvb_frontend *fe) 714 { 715 struct dvb_pll_priv *priv = fe->tuner_priv; 716 717 if (priv->i2c == NULL) 718 return -EINVAL; 719 720 if (priv->pll_desc->initdata) { 721 struct i2c_msg msg = { .flags = 0, 722 .addr = priv->pll_i2c_address, 723 .buf = priv->pll_desc->initdata + 1, 724 .len = priv->pll_desc->initdata[0] }; 725 726 int result; 727 if (fe->ops.i2c_gate_ctrl) 728 fe->ops.i2c_gate_ctrl(fe, 1); 729 result = i2c_transfer(priv->i2c, &msg, 1); 730 if (result != 1) 731 return result; 732 if (priv->pll_desc->initdata2) { 733 msg.buf = priv->pll_desc->initdata2 + 1; 734 msg.len = priv->pll_desc->initdata2[0]; 735 if (fe->ops.i2c_gate_ctrl) 736 fe->ops.i2c_gate_ctrl(fe, 1); 737 result = i2c_transfer(priv->i2c, &msg, 1); 738 if (result != 1) 739 return result; 740 } 741 return 0; 742 } 743 /* Shouldn't be called when initdata is NULL, maybe BUG()? */ 744 return -EINVAL; 745 } 746 747 static const struct dvb_tuner_ops dvb_pll_tuner_ops = { 748 .release = dvb_pll_release, 749 .sleep = dvb_pll_sleep, 750 .init = dvb_pll_init, 751 .set_params = dvb_pll_set_params, 752 .calc_regs = dvb_pll_calc_regs, 753 .get_frequency = dvb_pll_get_frequency, 754 .get_bandwidth = dvb_pll_get_bandwidth, 755 }; 756 757 struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, 758 struct i2c_adapter *i2c, 759 unsigned int pll_desc_id) 760 { 761 u8 b1 [] = { 0 }; 762 struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, 763 .buf = b1, .len = 1 }; 764 struct dvb_pll_priv *priv = NULL; 765 int ret; 766 const struct dvb_pll_desc *desc; 767 768 if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) && 769 (id[dvb_pll_devcount] < ARRAY_SIZE(pll_list))) 770 pll_desc_id = id[dvb_pll_devcount]; 771 772 BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list)); 773 774 desc = pll_list[pll_desc_id]; 775 776 if (i2c != NULL) { 777 if (fe->ops.i2c_gate_ctrl) 778 fe->ops.i2c_gate_ctrl(fe, 1); 779 780 ret = i2c_transfer (i2c, &msg, 1); 781 if (ret != 1) 782 return NULL; 783 if (fe->ops.i2c_gate_ctrl) 784 fe->ops.i2c_gate_ctrl(fe, 0); 785 } 786 787 priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL); 788 if (priv == NULL) 789 return NULL; 790 791 priv->pll_i2c_address = pll_addr; 792 priv->i2c = i2c; 793 priv->pll_desc = desc; 794 priv->nr = dvb_pll_devcount++; 795 796 memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, 797 sizeof(struct dvb_tuner_ops)); 798 799 strncpy(fe->ops.tuner_ops.info.name, desc->name, 800 sizeof(fe->ops.tuner_ops.info.name)); 801 fe->ops.tuner_ops.info.frequency_min = desc->min; 802 fe->ops.tuner_ops.info.frequency_max = desc->max; 803 if (!desc->initdata) 804 fe->ops.tuner_ops.init = NULL; 805 if (!desc->sleepdata) 806 fe->ops.tuner_ops.sleep = NULL; 807 808 fe->tuner_priv = priv; 809 810 if ((debug) || (id[priv->nr] == pll_desc_id)) { 811 dprintk("dvb-pll[%d]", priv->nr); 812 if (i2c != NULL) 813 pr_cont(" %d-%04x", i2c_adapter_id(i2c), pll_addr); 814 pr_cont(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name, 815 id[priv->nr] == pll_desc_id ? 816 "insmod option" : "autodetected"); 817 } 818 819 return fe; 820 } 821 EXPORT_SYMBOL(dvb_pll_attach); 822 823 MODULE_DESCRIPTION("dvb pll library"); 824 MODULE_AUTHOR("Gerd Knorr"); 825 MODULE_LICENSE("GPL"); 826