1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * descriptions + helper functions for simple dvb plls. 4 * 5 * (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] 6 */ 7 8 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 9 10 #include <linux/slab.h> 11 #include <linux/module.h> 12 #include <linux/idr.h> 13 #include <linux/dvb/frontend.h> 14 #include <asm/types.h> 15 16 #include "dvb-pll.h" 17 18 #define dprintk(fmt, arg...) \ 19 printk(KERN_DEBUG pr_fmt("%s: " fmt), __func__, ##arg) 20 21 struct dvb_pll_priv { 22 /* pll number */ 23 int nr; 24 25 /* i2c details */ 26 int pll_i2c_address; 27 struct i2c_adapter *i2c; 28 29 /* the PLL descriptor */ 30 const struct dvb_pll_desc *pll_desc; 31 32 /* cached frequency/bandwidth */ 33 u32 frequency; 34 u32 bandwidth; 35 }; 36 37 #define DVB_PLL_MAX 64 38 static DEFINE_IDA(pll_ida); 39 40 static int debug; 41 module_param(debug, int, 0644); 42 MODULE_PARM_DESC(debug, "enable verbose debug messages"); 43 44 static unsigned int id[DVB_PLL_MAX] = 45 { [ 0 ... (DVB_PLL_MAX-1) ] = DVB_PLL_UNDEFINED }; 46 module_param_array(id, int, NULL, 0644); 47 MODULE_PARM_DESC(id, "force pll id to use (DEBUG ONLY)"); 48 49 /* ----------------------------------------------------------- */ 50 51 struct dvb_pll_desc { 52 const char *name; 53 u32 min; 54 u32 max; 55 u32 iffreq; 56 void (*set)(struct dvb_frontend *fe, u8 *buf); 57 u8 *initdata; 58 u8 *initdata2; 59 u8 *sleepdata; 60 int count; 61 struct { 62 u32 limit; 63 u32 stepsize; 64 u8 config; 65 u8 cb; 66 } entries[]; 67 }; 68 69 /* ----------------------------------------------------------- */ 70 /* descriptions */ 71 72 static const struct dvb_pll_desc dvb_pll_thomson_dtt7579 = { 73 .name = "Thomson dtt7579", 74 .min = 177 * MHz, 75 .max = 858 * MHz, 76 .iffreq= 36166667, 77 .sleepdata = (u8[]){ 2, 0xb4, 0x03 }, 78 .count = 4, 79 .entries = { 80 { 443250000, 166667, 0xb4, 0x02 }, 81 { 542000000, 166667, 0xb4, 0x08 }, 82 { 771000000, 166667, 0xbc, 0x08 }, 83 { 999999999, 166667, 0xf4, 0x08 }, 84 }, 85 }; 86 87 static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf) 88 { 89 u32 bw = fe->dtv_property_cache.bandwidth_hz; 90 if (bw == 7000000) 91 buf[3] |= 0x10; 92 } 93 94 static const struct dvb_pll_desc dvb_pll_thomson_dtt759x = { 95 .name = "Thomson dtt759x", 96 .min = 177 * MHz, 97 .max = 896 * MHz, 98 .set = thomson_dtt759x_bw, 99 .iffreq= 36166667, 100 .sleepdata = (u8[]){ 2, 0x84, 0x03 }, 101 .count = 5, 102 .entries = { 103 { 264000000, 166667, 0xb4, 0x02 }, 104 { 470000000, 166667, 0xbc, 0x02 }, 105 { 735000000, 166667, 0xbc, 0x08 }, 106 { 835000000, 166667, 0xf4, 0x08 }, 107 { 999999999, 166667, 0xfc, 0x08 }, 108 }, 109 }; 110 111 static void thomson_dtt7520x_bw(struct dvb_frontend *fe, u8 *buf) 112 { 113 u32 bw = fe->dtv_property_cache.bandwidth_hz; 114 if (bw == 8000000) 115 buf[3] ^= 0x10; 116 } 117 118 static const struct dvb_pll_desc dvb_pll_thomson_dtt7520x = { 119 .name = "Thomson dtt7520x", 120 .min = 185 * MHz, 121 .max = 900 * MHz, 122 .set = thomson_dtt7520x_bw, 123 .iffreq = 36166667, 124 .count = 7, 125 .entries = { 126 { 305000000, 166667, 0xb4, 0x12 }, 127 { 405000000, 166667, 0xbc, 0x12 }, 128 { 445000000, 166667, 0xbc, 0x12 }, 129 { 465000000, 166667, 0xf4, 0x18 }, 130 { 735000000, 166667, 0xfc, 0x18 }, 131 { 835000000, 166667, 0xbc, 0x18 }, 132 { 999999999, 166667, 0xfc, 0x18 }, 133 }, 134 }; 135 136 static const struct dvb_pll_desc dvb_pll_lg_z201 = { 137 .name = "LG z201", 138 .min = 174 * MHz, 139 .max = 862 * MHz, 140 .iffreq= 36166667, 141 .sleepdata = (u8[]){ 2, 0xbc, 0x03 }, 142 .count = 5, 143 .entries = { 144 { 157500000, 166667, 0xbc, 0x01 }, 145 { 443250000, 166667, 0xbc, 0x02 }, 146 { 542000000, 166667, 0xbc, 0x04 }, 147 { 830000000, 166667, 0xf4, 0x04 }, 148 { 999999999, 166667, 0xfc, 0x04 }, 149 }, 150 }; 151 152 static const struct dvb_pll_desc dvb_pll_unknown_1 = { 153 .name = "unknown 1", /* used by dntv live dvb-t */ 154 .min = 174 * MHz, 155 .max = 862 * MHz, 156 .iffreq= 36166667, 157 .count = 9, 158 .entries = { 159 { 150000000, 166667, 0xb4, 0x01 }, 160 { 173000000, 166667, 0xbc, 0x01 }, 161 { 250000000, 166667, 0xb4, 0x02 }, 162 { 400000000, 166667, 0xbc, 0x02 }, 163 { 420000000, 166667, 0xf4, 0x02 }, 164 { 470000000, 166667, 0xfc, 0x02 }, 165 { 600000000, 166667, 0xbc, 0x08 }, 166 { 730000000, 166667, 0xf4, 0x08 }, 167 { 999999999, 166667, 0xfc, 0x08 }, 168 }, 169 }; 170 171 /* Infineon TUA6010XS 172 * used in Thomson Cable Tuner 173 */ 174 static const struct dvb_pll_desc dvb_pll_tua6010xs = { 175 .name = "Infineon TUA6010XS", 176 .min = 44250 * kHz, 177 .max = 858 * MHz, 178 .iffreq= 36125000, 179 .count = 3, 180 .entries = { 181 { 115750000, 62500, 0x8e, 0x03 }, 182 { 403250000, 62500, 0x8e, 0x06 }, 183 { 999999999, 62500, 0x8e, 0x85 }, 184 }, 185 }; 186 187 /* Panasonic env57h1xd5 (some Philips PLL ?) */ 188 static const struct dvb_pll_desc dvb_pll_env57h1xd5 = { 189 .name = "Panasonic ENV57H1XD5", 190 .min = 44250 * kHz, 191 .max = 858 * MHz, 192 .iffreq= 36125000, 193 .count = 4, 194 .entries = { 195 { 153000000, 166667, 0xc2, 0x41 }, 196 { 470000000, 166667, 0xc2, 0x42 }, 197 { 526000000, 166667, 0xc2, 0x84 }, 198 { 999999999, 166667, 0xc2, 0xa4 }, 199 }, 200 }; 201 202 /* Philips TDA6650/TDA6651 203 * used in Panasonic ENV77H11D5 204 */ 205 static void tda665x_bw(struct dvb_frontend *fe, u8 *buf) 206 { 207 u32 bw = fe->dtv_property_cache.bandwidth_hz; 208 if (bw == 8000000) 209 buf[3] |= 0x08; 210 } 211 212 static const struct dvb_pll_desc dvb_pll_tda665x = { 213 .name = "Philips TDA6650/TDA6651", 214 .min = 44250 * kHz, 215 .max = 858 * MHz, 216 .set = tda665x_bw, 217 .iffreq= 36166667, 218 .initdata = (u8[]){ 4, 0x0b, 0xf5, 0x85, 0xab }, 219 .count = 12, 220 .entries = { 221 { 93834000, 166667, 0xca, 0x61 /* 011 0 0 0 01 */ }, 222 { 123834000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, 223 { 161000000, 166667, 0xca, 0xa1 /* 101 0 0 0 01 */ }, 224 { 163834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, 225 { 253834000, 166667, 0xca, 0x62 /* 011 0 0 0 10 */ }, 226 { 383834000, 166667, 0xca, 0xa2 /* 101 0 0 0 10 */ }, 227 { 443834000, 166667, 0xca, 0xc2 /* 110 0 0 0 10 */ }, 228 { 444000000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, 229 { 583834000, 166667, 0xca, 0x64 /* 011 0 0 1 00 */ }, 230 { 793834000, 166667, 0xca, 0xa4 /* 101 0 0 1 00 */ }, 231 { 444834000, 166667, 0xca, 0xc4 /* 110 0 0 1 00 */ }, 232 { 861000000, 166667, 0xca, 0xe4 /* 111 0 0 1 00 */ }, 233 } 234 }; 235 236 /* Infineon TUA6034 237 * used in LG TDTP E102P 238 */ 239 static void tua6034_bw(struct dvb_frontend *fe, u8 *buf) 240 { 241 u32 bw = fe->dtv_property_cache.bandwidth_hz; 242 if (bw == 7000000) 243 buf[3] |= 0x08; 244 } 245 246 static const struct dvb_pll_desc dvb_pll_tua6034 = { 247 .name = "Infineon TUA6034", 248 .min = 44250 * kHz, 249 .max = 858 * MHz, 250 .iffreq= 36166667, 251 .count = 3, 252 .set = tua6034_bw, 253 .entries = { 254 { 174500000, 62500, 0xce, 0x01 }, 255 { 230000000, 62500, 0xce, 0x02 }, 256 { 999999999, 62500, 0xce, 0x04 }, 257 }, 258 }; 259 260 /* ALPS TDED4 261 * used in Nebula-Cards and USB boxes 262 */ 263 static void tded4_bw(struct dvb_frontend *fe, u8 *buf) 264 { 265 u32 bw = fe->dtv_property_cache.bandwidth_hz; 266 if (bw == 8000000) 267 buf[3] |= 0x04; 268 } 269 270 static const struct dvb_pll_desc dvb_pll_tded4 = { 271 .name = "ALPS TDED4", 272 .min = 47 * MHz, 273 .max = 863 * MHz, 274 .iffreq= 36166667, 275 .set = tded4_bw, 276 .count = 4, 277 .entries = { 278 { 153000000, 166667, 0x85, 0x01 }, 279 { 470000000, 166667, 0x85, 0x02 }, 280 { 823000000, 166667, 0x85, 0x08 }, 281 { 999999999, 166667, 0x85, 0x88 }, 282 } 283 }; 284 285 /* ALPS TDHU2 286 * used in AverTVHD MCE A180 287 */ 288 static const struct dvb_pll_desc dvb_pll_tdhu2 = { 289 .name = "ALPS TDHU2", 290 .min = 54 * MHz, 291 .max = 864 * MHz, 292 .iffreq= 44000000, 293 .count = 4, 294 .entries = { 295 { 162000000, 62500, 0x85, 0x01 }, 296 { 426000000, 62500, 0x85, 0x02 }, 297 { 782000000, 62500, 0x85, 0x08 }, 298 { 999999999, 62500, 0x85, 0x88 }, 299 } 300 }; 301 302 /* Samsung TBMV30111IN / TBMV30712IN1 303 * used in Air2PC ATSC - 2nd generation (nxt2002) 304 */ 305 static const struct dvb_pll_desc dvb_pll_samsung_tbmv = { 306 .name = "Samsung TBMV30111IN / TBMV30712IN1", 307 .min = 54 * MHz, 308 .max = 860 * MHz, 309 .iffreq= 44000000, 310 .count = 6, 311 .entries = { 312 { 172000000, 166667, 0xb4, 0x01 }, 313 { 214000000, 166667, 0xb4, 0x02 }, 314 { 467000000, 166667, 0xbc, 0x02 }, 315 { 721000000, 166667, 0xbc, 0x08 }, 316 { 841000000, 166667, 0xf4, 0x08 }, 317 { 999999999, 166667, 0xfc, 0x02 }, 318 } 319 }; 320 321 /* 322 * Philips SD1878 Tuner. 323 */ 324 static const struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = { 325 .name = "Philips SD1878", 326 .min = 950 * MHz, 327 .max = 2150 * MHz, 328 .iffreq= 249, /* zero-IF, offset 249 is to round up */ 329 .count = 4, 330 .entries = { 331 { 1250000, 500, 0xc4, 0x00}, 332 { 1450000, 500, 0xc4, 0x40}, 333 { 2050000, 500, 0xc4, 0x80}, 334 { 2150000, 500, 0xc4, 0xc0}, 335 }, 336 }; 337 338 static void opera1_bw(struct dvb_frontend *fe, u8 *buf) 339 { 340 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 341 struct dvb_pll_priv *priv = fe->tuner_priv; 342 u32 b_w = (c->symbol_rate * 27) / 32000; 343 struct i2c_msg msg = { 344 .addr = priv->pll_i2c_address, 345 .flags = 0, 346 .buf = buf, 347 .len = 4 348 }; 349 int result; 350 u8 lpf; 351 352 if (fe->ops.i2c_gate_ctrl) 353 fe->ops.i2c_gate_ctrl(fe, 1); 354 355 result = i2c_transfer(priv->i2c, &msg, 1); 356 if (result != 1) 357 pr_err("%s: i2c_transfer failed:%d", 358 __func__, result); 359 360 if (b_w <= 10000) 361 lpf = 0xc; 362 else if (b_w <= 12000) 363 lpf = 0x2; 364 else if (b_w <= 14000) 365 lpf = 0xa; 366 else if (b_w <= 16000) 367 lpf = 0x6; 368 else if (b_w <= 18000) 369 lpf = 0xe; 370 else if (b_w <= 20000) 371 lpf = 0x1; 372 else if (b_w <= 22000) 373 lpf = 0x9; 374 else if (b_w <= 24000) 375 lpf = 0x5; 376 else if (b_w <= 26000) 377 lpf = 0xd; 378 else if (b_w <= 28000) 379 lpf = 0x3; 380 else 381 lpf = 0xb; 382 buf[2] ^= 0x1c; /* Flip bits 3-5 */ 383 /* Set lpf */ 384 buf[2] |= ((lpf >> 2) & 0x3) << 3; 385 buf[3] |= (lpf & 0x3) << 2; 386 387 return; 388 } 389 390 static const struct dvb_pll_desc dvb_pll_opera1 = { 391 .name = "Opera Tuner", 392 .min = 900 * MHz, 393 .max = 2250 * MHz, 394 .initdata = (u8[]){ 4, 0x08, 0xe5, 0xe1, 0x00 }, 395 .initdata2 = (u8[]){ 4, 0x08, 0xe5, 0xe5, 0x00 }, 396 .iffreq= 0, 397 .set = opera1_bw, 398 .count = 8, 399 .entries = { 400 { 1064000, 500, 0xf9, 0xc2 }, 401 { 1169000, 500, 0xf9, 0xe2 }, 402 { 1299000, 500, 0xf9, 0x20 }, 403 { 1444000, 500, 0xf9, 0x40 }, 404 { 1606000, 500, 0xf9, 0x60 }, 405 { 1777000, 500, 0xf9, 0x80 }, 406 { 1941000, 500, 0xf9, 0xa0 }, 407 { 2250000, 500, 0xf9, 0xc0 }, 408 } 409 }; 410 411 static void samsung_dtos403ih102a_set(struct dvb_frontend *fe, u8 *buf) 412 { 413 struct dvb_pll_priv *priv = fe->tuner_priv; 414 struct i2c_msg msg = { 415 .addr = priv->pll_i2c_address, 416 .flags = 0, 417 .buf = buf, 418 .len = 4 419 }; 420 int result; 421 422 if (fe->ops.i2c_gate_ctrl) 423 fe->ops.i2c_gate_ctrl(fe, 1); 424 425 result = i2c_transfer(priv->i2c, &msg, 1); 426 if (result != 1) 427 pr_err("%s: i2c_transfer failed:%d", 428 __func__, result); 429 430 buf[2] = 0x9e; 431 buf[3] = 0x90; 432 433 return; 434 } 435 436 /* unknown pll used in Samsung DTOS403IH102A DVB-C tuner */ 437 static const struct dvb_pll_desc dvb_pll_samsung_dtos403ih102a = { 438 .name = "Samsung DTOS403IH102A", 439 .min = 44250 * kHz, 440 .max = 858 * MHz, 441 .iffreq = 36125000, 442 .count = 8, 443 .set = samsung_dtos403ih102a_set, 444 .entries = { 445 { 135000000, 62500, 0xbe, 0x01 }, 446 { 177000000, 62500, 0xf6, 0x01 }, 447 { 370000000, 62500, 0xbe, 0x02 }, 448 { 450000000, 62500, 0xf6, 0x02 }, 449 { 466000000, 62500, 0xfe, 0x02 }, 450 { 538000000, 62500, 0xbe, 0x08 }, 451 { 826000000, 62500, 0xf6, 0x08 }, 452 { 999999999, 62500, 0xfe, 0x08 }, 453 } 454 }; 455 456 /* Samsung TDTC9251DH0 DVB-T NIM, as used on AirStar 2 */ 457 static const struct dvb_pll_desc dvb_pll_samsung_tdtc9251dh0 = { 458 .name = "Samsung TDTC9251DH0", 459 .min = 48 * MHz, 460 .max = 863 * MHz, 461 .iffreq = 36166667, 462 .count = 3, 463 .entries = { 464 { 157500000, 166667, 0xcc, 0x09 }, 465 { 443000000, 166667, 0xcc, 0x0a }, 466 { 863000000, 166667, 0xcc, 0x08 }, 467 } 468 }; 469 470 /* Samsung TBDU18132 DVB-S NIM with TSA5059 PLL, used in SkyStar2 DVB-S 2.3 */ 471 static const struct dvb_pll_desc dvb_pll_samsung_tbdu18132 = { 472 .name = "Samsung TBDU18132", 473 .min = 950 * MHz, 474 .max = 2150 * MHz, /* guesses */ 475 .iffreq = 0, 476 .count = 2, 477 .entries = { 478 { 1550000, 125, 0x84, 0x82 }, 479 { 4095937, 125, 0x84, 0x80 }, 480 } 481 /* TSA5059 PLL has a 17 bit divisor rather than the 15 bits supported 482 * by this driver. The two extra bits are 0x60 in the third byte. 15 483 * bits is enough for over 4 GHz, which is enough to cover the range 484 * of this tuner. We could use the additional divisor bits by adding 485 * more entries, e.g. 486 { 0x0ffff * 125 + 125/2, 125, 0x84 | 0x20, }, 487 { 0x17fff * 125 + 125/2, 125, 0x84 | 0x40, }, 488 { 0x1ffff * 125 + 125/2, 125, 0x84 | 0x60, }, */ 489 }; 490 491 /* Samsung TBMU24112 DVB-S NIM with SL1935 zero-IF tuner */ 492 static const struct dvb_pll_desc dvb_pll_samsung_tbmu24112 = { 493 .name = "Samsung TBMU24112", 494 .min = 950 * MHz, 495 .max = 2150 * MHz, /* guesses */ 496 .iffreq = 0, 497 .count = 2, 498 .entries = { 499 { 1500000, 125, 0x84, 0x18 }, 500 { 9999999, 125, 0x84, 0x08 }, 501 } 502 }; 503 504 /* Alps TDEE4 DVB-C NIM, used on Cablestar 2 */ 505 /* byte 4 : 1 * * AGD R3 R2 R1 R0 506 * byte 5 : C1 * RE RTS BS4 BS3 BS2 BS1 507 * AGD = 1, R3 R2 R1 R0 = 0 1 0 1 => byte 4 = 1**10101 = 0x95 508 * Range(MHz) C1 * RE RTS BS4 BS3 BS2 BS1 Byte 5 509 * 47 - 153 0 * 0 0 0 0 0 1 0x01 510 * 153 - 430 0 * 0 0 0 0 1 0 0x02 511 * 430 - 822 0 * 0 0 1 0 0 0 0x08 512 * 822 - 862 1 * 0 0 1 0 0 0 0x88 */ 513 static const struct dvb_pll_desc dvb_pll_alps_tdee4 = { 514 .name = "ALPS TDEE4", 515 .min = 47 * MHz, 516 .max = 862 * MHz, 517 .iffreq = 36125000, 518 .count = 4, 519 .entries = { 520 { 153000000, 62500, 0x95, 0x01 }, 521 { 430000000, 62500, 0x95, 0x02 }, 522 { 822000000, 62500, 0x95, 0x08 }, 523 { 999999999, 62500, 0x95, 0x88 }, 524 } 525 }; 526 527 /* Infineon TUA6034 ISDB-T, used in Friio */ 528 /* CP cur. 50uA, AGC takeover: 103dBuV, PORT3 on */ 529 static const struct dvb_pll_desc dvb_pll_tua6034_friio = { 530 .name = "Infineon TUA6034 ISDB-T (Friio)", 531 .min = 90 * MHz, 532 .max = 770 * MHz, 533 .iffreq = 57000000, 534 .initdata = (u8[]){ 4, 0x9a, 0x50, 0xb2, 0x08 }, 535 .sleepdata = (u8[]){ 4, 0x9a, 0x70, 0xb3, 0x0b }, 536 .count = 3, 537 .entries = { 538 { 170000000, 142857, 0xba, 0x09 }, 539 { 470000000, 142857, 0xba, 0x0a }, 540 { 770000000, 142857, 0xb2, 0x08 }, 541 } 542 }; 543 544 /* Philips TDA6651 ISDB-T, used in Earthsoft PT1 */ 545 static const struct dvb_pll_desc dvb_pll_tda665x_earth_pt1 = { 546 .name = "Philips TDA6651 ISDB-T (EarthSoft PT1)", 547 .min = 90 * MHz, 548 .max = 770 * MHz, 549 .iffreq = 57000000, 550 .initdata = (u8[]){ 5, 0x0e, 0x7f, 0xc1, 0x80, 0x80 }, 551 .count = 10, 552 .entries = { 553 { 140000000, 142857, 0xc1, 0x81 }, 554 { 170000000, 142857, 0xc1, 0xa1 }, 555 { 220000000, 142857, 0xc1, 0x62 }, 556 { 330000000, 142857, 0xc1, 0xa2 }, 557 { 402000000, 142857, 0xc1, 0xe2 }, 558 { 450000000, 142857, 0xc1, 0x64 }, 559 { 550000000, 142857, 0xc1, 0x84 }, 560 { 600000000, 142857, 0xc1, 0xa4 }, 561 { 700000000, 142857, 0xc1, 0xc4 }, 562 { 770000000, 142857, 0xc1, 0xe4 }, 563 } 564 }; 565 566 /* ----------------------------------------------------------- */ 567 568 static const struct dvb_pll_desc *pll_list[] = { 569 [DVB_PLL_UNDEFINED] = NULL, 570 [DVB_PLL_THOMSON_DTT7579] = &dvb_pll_thomson_dtt7579, 571 [DVB_PLL_THOMSON_DTT759X] = &dvb_pll_thomson_dtt759x, 572 [DVB_PLL_THOMSON_DTT7520X] = &dvb_pll_thomson_dtt7520x, 573 [DVB_PLL_LG_Z201] = &dvb_pll_lg_z201, 574 [DVB_PLL_UNKNOWN_1] = &dvb_pll_unknown_1, 575 [DVB_PLL_TUA6010XS] = &dvb_pll_tua6010xs, 576 [DVB_PLL_ENV57H1XD5] = &dvb_pll_env57h1xd5, 577 [DVB_PLL_TUA6034] = &dvb_pll_tua6034, 578 [DVB_PLL_TDA665X] = &dvb_pll_tda665x, 579 [DVB_PLL_TDED4] = &dvb_pll_tded4, 580 [DVB_PLL_TDEE4] = &dvb_pll_alps_tdee4, 581 [DVB_PLL_TDHU2] = &dvb_pll_tdhu2, 582 [DVB_PLL_SAMSUNG_TBMV] = &dvb_pll_samsung_tbmv, 583 [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261, 584 [DVB_PLL_OPERA1] = &dvb_pll_opera1, 585 [DVB_PLL_SAMSUNG_DTOS403IH102A] = &dvb_pll_samsung_dtos403ih102a, 586 [DVB_PLL_SAMSUNG_TDTC9251DH0] = &dvb_pll_samsung_tdtc9251dh0, 587 [DVB_PLL_SAMSUNG_TBDU18132] = &dvb_pll_samsung_tbdu18132, 588 [DVB_PLL_SAMSUNG_TBMU24112] = &dvb_pll_samsung_tbmu24112, 589 [DVB_PLL_TUA6034_FRIIO] = &dvb_pll_tua6034_friio, 590 [DVB_PLL_TDA665X_EARTH_PT1] = &dvb_pll_tda665x_earth_pt1, 591 }; 592 593 /* ----------------------------------------------------------- */ 594 /* code */ 595 596 static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf, 597 const u32 frequency) 598 { 599 struct dvb_pll_priv *priv = fe->tuner_priv; 600 const struct dvb_pll_desc *desc = priv->pll_desc; 601 u32 div; 602 int i; 603 604 for (i = 0; i < desc->count; i++) { 605 if (frequency > desc->entries[i].limit) 606 continue; 607 break; 608 } 609 610 if (debug) 611 dprintk("pll: %s: freq=%d | i=%d/%d\n", desc->name, 612 frequency, i, desc->count); 613 if (i == desc->count) 614 return -EINVAL; 615 616 div = (frequency + desc->iffreq + 617 desc->entries[i].stepsize/2) / desc->entries[i].stepsize; 618 buf[0] = div >> 8; 619 buf[1] = div & 0xff; 620 buf[2] = desc->entries[i].config; 621 buf[3] = desc->entries[i].cb; 622 623 if (desc->set) 624 desc->set(fe, buf); 625 626 if (debug) 627 dprintk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", 628 desc->name, div, buf[0], buf[1], buf[2], buf[3]); 629 630 // calculate the frequency we set it to 631 return (div * desc->entries[i].stepsize) - desc->iffreq; 632 } 633 634 static void dvb_pll_release(struct dvb_frontend *fe) 635 { 636 kfree(fe->tuner_priv); 637 fe->tuner_priv = NULL; 638 } 639 640 static int dvb_pll_sleep(struct dvb_frontend *fe) 641 { 642 struct dvb_pll_priv *priv = fe->tuner_priv; 643 644 if (priv->i2c == NULL) 645 return -EINVAL; 646 647 if (priv->pll_desc->sleepdata) { 648 struct i2c_msg msg = { .flags = 0, 649 .addr = priv->pll_i2c_address, 650 .buf = priv->pll_desc->sleepdata + 1, 651 .len = priv->pll_desc->sleepdata[0] }; 652 653 int result; 654 655 if (fe->ops.i2c_gate_ctrl) 656 fe->ops.i2c_gate_ctrl(fe, 1); 657 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 658 return result; 659 } 660 return 0; 661 } 662 /* Shouldn't be called when initdata is NULL, maybe BUG()? */ 663 return -EINVAL; 664 } 665 666 static int dvb_pll_set_params(struct dvb_frontend *fe) 667 { 668 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 669 struct dvb_pll_priv *priv = fe->tuner_priv; 670 u8 buf[4]; 671 struct i2c_msg msg = 672 { .addr = priv->pll_i2c_address, .flags = 0, 673 .buf = buf, .len = sizeof(buf) }; 674 int result; 675 u32 frequency = 0; 676 677 if (priv->i2c == NULL) 678 return -EINVAL; 679 680 result = dvb_pll_configure(fe, buf, c->frequency); 681 if (result < 0) 682 return result; 683 else 684 frequency = result; 685 686 if (fe->ops.i2c_gate_ctrl) 687 fe->ops.i2c_gate_ctrl(fe, 1); 688 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) { 689 return result; 690 } 691 692 priv->frequency = frequency; 693 priv->bandwidth = c->bandwidth_hz; 694 695 return 0; 696 } 697 698 static int dvb_pll_calc_regs(struct dvb_frontend *fe, 699 u8 *buf, int buf_len) 700 { 701 struct dtv_frontend_properties *c = &fe->dtv_property_cache; 702 struct dvb_pll_priv *priv = fe->tuner_priv; 703 int result; 704 u32 frequency = 0; 705 706 if (buf_len < 5) 707 return -EINVAL; 708 709 result = dvb_pll_configure(fe, buf + 1, c->frequency); 710 if (result < 0) 711 return result; 712 else 713 frequency = result; 714 715 buf[0] = priv->pll_i2c_address; 716 717 priv->frequency = frequency; 718 priv->bandwidth = c->bandwidth_hz; 719 720 return 5; 721 } 722 723 static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency) 724 { 725 struct dvb_pll_priv *priv = fe->tuner_priv; 726 *frequency = priv->frequency; 727 return 0; 728 } 729 730 static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) 731 { 732 struct dvb_pll_priv *priv = fe->tuner_priv; 733 *bandwidth = priv->bandwidth; 734 return 0; 735 } 736 737 static int dvb_pll_init(struct dvb_frontend *fe) 738 { 739 struct dvb_pll_priv *priv = fe->tuner_priv; 740 741 if (priv->i2c == NULL) 742 return -EINVAL; 743 744 if (priv->pll_desc->initdata) { 745 struct i2c_msg msg = { .flags = 0, 746 .addr = priv->pll_i2c_address, 747 .buf = priv->pll_desc->initdata + 1, 748 .len = priv->pll_desc->initdata[0] }; 749 750 int result; 751 if (fe->ops.i2c_gate_ctrl) 752 fe->ops.i2c_gate_ctrl(fe, 1); 753 result = i2c_transfer(priv->i2c, &msg, 1); 754 if (result != 1) 755 return result; 756 if (priv->pll_desc->initdata2) { 757 msg.buf = priv->pll_desc->initdata2 + 1; 758 msg.len = priv->pll_desc->initdata2[0]; 759 if (fe->ops.i2c_gate_ctrl) 760 fe->ops.i2c_gate_ctrl(fe, 1); 761 result = i2c_transfer(priv->i2c, &msg, 1); 762 if (result != 1) 763 return result; 764 } 765 return 0; 766 } 767 /* Shouldn't be called when initdata is NULL, maybe BUG()? */ 768 return -EINVAL; 769 } 770 771 static const struct dvb_tuner_ops dvb_pll_tuner_ops = { 772 .release = dvb_pll_release, 773 .sleep = dvb_pll_sleep, 774 .init = dvb_pll_init, 775 .set_params = dvb_pll_set_params, 776 .calc_regs = dvb_pll_calc_regs, 777 .get_frequency = dvb_pll_get_frequency, 778 .get_bandwidth = dvb_pll_get_bandwidth, 779 }; 780 781 struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, 782 struct i2c_adapter *i2c, 783 unsigned int pll_desc_id) 784 { 785 u8 *b1; 786 struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, .len = 1 }; 787 struct dvb_pll_priv *priv = NULL; 788 int ret; 789 const struct dvb_pll_desc *desc; 790 int nr; 791 792 b1 = kmalloc(1, GFP_KERNEL); 793 if (!b1) 794 return NULL; 795 796 b1[0] = 0; 797 msg.buf = b1; 798 799 nr = ida_simple_get(&pll_ida, 0, DVB_PLL_MAX, GFP_KERNEL); 800 if (nr < 0) { 801 kfree(b1); 802 return NULL; 803 } 804 805 if (id[nr] > DVB_PLL_UNDEFINED && id[nr] < ARRAY_SIZE(pll_list)) 806 pll_desc_id = id[nr]; 807 808 BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list)); 809 810 desc = pll_list[pll_desc_id]; 811 812 if (i2c != NULL) { 813 if (fe->ops.i2c_gate_ctrl) 814 fe->ops.i2c_gate_ctrl(fe, 1); 815 816 ret = i2c_transfer (i2c, &msg, 1); 817 if (ret != 1) 818 goto out; 819 if (fe->ops.i2c_gate_ctrl) 820 fe->ops.i2c_gate_ctrl(fe, 0); 821 } 822 823 priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL); 824 if (!priv) 825 goto out; 826 827 priv->pll_i2c_address = pll_addr; 828 priv->i2c = i2c; 829 priv->pll_desc = desc; 830 priv->nr = nr; 831 832 memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, 833 sizeof(struct dvb_tuner_ops)); 834 835 strscpy(fe->ops.tuner_ops.info.name, desc->name, 836 sizeof(fe->ops.tuner_ops.info.name)); 837 838 fe->ops.tuner_ops.info.frequency_min_hz = desc->min; 839 fe->ops.tuner_ops.info.frequency_max_hz = desc->max; 840 841 dprintk("%s tuner, frequency range: %u...%u\n", 842 desc->name, desc->min, desc->max); 843 844 if (!desc->initdata) 845 fe->ops.tuner_ops.init = NULL; 846 if (!desc->sleepdata) 847 fe->ops.tuner_ops.sleep = NULL; 848 849 fe->tuner_priv = priv; 850 851 if ((debug) || (id[priv->nr] == pll_desc_id)) { 852 dprintk("dvb-pll[%d]", priv->nr); 853 if (i2c != NULL) 854 pr_cont(" %d-%04x", i2c_adapter_id(i2c), pll_addr); 855 pr_cont(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name, 856 id[priv->nr] == pll_desc_id ? 857 "insmod option" : "autodetected"); 858 } 859 860 kfree(b1); 861 862 return fe; 863 out: 864 kfree(b1); 865 ida_simple_remove(&pll_ida, nr); 866 867 return NULL; 868 } 869 EXPORT_SYMBOL_GPL(dvb_pll_attach); 870 871 872 static int 873 dvb_pll_probe(struct i2c_client *client) 874 { 875 const struct i2c_device_id *id = i2c_client_get_device_id(client); 876 struct dvb_pll_config *cfg; 877 struct dvb_frontend *fe; 878 unsigned int desc_id; 879 880 cfg = client->dev.platform_data; 881 fe = cfg->fe; 882 i2c_set_clientdata(client, fe); 883 desc_id = (unsigned int) id->driver_data; 884 885 if (!dvb_pll_attach(fe, client->addr, client->adapter, desc_id)) 886 return -ENOMEM; 887 888 /* 889 * Unset tuner_ops.release (== dvb_pll_release) 890 * which has been just set in the above dvb_pll_attach(), 891 * because if tuner_ops.release was left defined, 892 * this module would be 'put' twice on exit: 893 * once by dvb_frontend_detach() and another by dvb_module_release(). 894 * 895 * dvb_pll_release is instead executed in the i2c driver's .remove(), 896 * keeping dvb_pll_attach untouched for legacy (dvb_attach) drivers. 897 */ 898 fe->ops.tuner_ops.release = NULL; 899 dev_info(&client->dev, "DVB Simple Tuner attached.\n"); 900 return 0; 901 } 902 903 static void dvb_pll_remove(struct i2c_client *client) 904 { 905 struct dvb_frontend *fe = i2c_get_clientdata(client); 906 struct dvb_pll_priv *priv = fe->tuner_priv; 907 908 ida_simple_remove(&pll_ida, priv->nr); 909 dvb_pll_release(fe); 910 } 911 912 913 static const struct i2c_device_id dvb_pll_id[] = { 914 {"dtt7579", DVB_PLL_THOMSON_DTT7579}, 915 {"dtt759x", DVB_PLL_THOMSON_DTT759X}, 916 {"z201", DVB_PLL_LG_Z201}, 917 {"unknown_1", DVB_PLL_UNKNOWN_1}, 918 {"tua6010xs", DVB_PLL_TUA6010XS}, 919 {"env57h1xd5", DVB_PLL_ENV57H1XD5}, 920 {"tua6034", DVB_PLL_TUA6034}, 921 {"tda665x", DVB_PLL_TDA665X}, 922 {"tded4", DVB_PLL_TDED4}, 923 {"tdhu2", DVB_PLL_TDHU2}, 924 {"tbmv", DVB_PLL_SAMSUNG_TBMV}, 925 {"sd1878_tda8261", DVB_PLL_PHILIPS_SD1878_TDA8261}, 926 {"opera1", DVB_PLL_OPERA1}, 927 {"dtos403ih102a", DVB_PLL_SAMSUNG_DTOS403IH102A}, 928 {"tdtc9251dh0", DVB_PLL_SAMSUNG_TDTC9251DH0}, 929 {"tbdu18132", DVB_PLL_SAMSUNG_TBDU18132}, 930 {"tbmu24112", DVB_PLL_SAMSUNG_TBMU24112}, 931 {"tdee4", DVB_PLL_TDEE4}, 932 {"dtt7520x", DVB_PLL_THOMSON_DTT7520X}, 933 {"tua6034_friio", DVB_PLL_TUA6034_FRIIO}, 934 {"tda665x_earthpt1", DVB_PLL_TDA665X_EARTH_PT1}, 935 {} 936 }; 937 938 939 MODULE_DEVICE_TABLE(i2c, dvb_pll_id); 940 941 static struct i2c_driver dvb_pll_driver = { 942 .driver = { 943 .name = "dvb_pll", 944 }, 945 .probe = dvb_pll_probe, 946 .remove = dvb_pll_remove, 947 .id_table = dvb_pll_id, 948 }; 949 950 module_i2c_driver(dvb_pll_driver); 951 952 MODULE_DESCRIPTION("dvb pll library"); 953 MODULE_AUTHOR("Gerd Knorr"); 954 MODULE_LICENSE("GPL"); 955