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1// SPDX-License-Identifier: GPL-2.0-or-later2/*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 ": " fmt9 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 21struct 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 6438static DEFINE_IDA(pll_ida);39 40static int debug;41module_param(debug, int, 0644);42MODULE_PARM_DESC(debug, "enable verbose debug messages");43 44static unsigned int id[DVB_PLL_MAX] =45 { [ 0 ... (DVB_PLL_MAX-1) ] = DVB_PLL_UNDEFINED };46module_param_array(id, int, NULL, 0644);47MODULE_PARM_DESC(id, "force pll id to use (DEBUG ONLY)");48 49/* ----------------------------------------------------------- */50 51struct 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 72static 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 87static 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 94static 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 111static 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 118static 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 136static 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 152static 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 TUA6010XS172 * used in Thomson Cable Tuner173 */174static 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 ?) */188static 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/TDA6651203 * used in Panasonic ENV77H11D5204 */205static 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 212static 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 TUA6034237 * used in LG TDTP E102P238 */239static 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 246static 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 TDED4261 * used in Nebula-Cards and USB boxes262 */263static 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 270static 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 TDHU2286 * used in AverTVHD MCE A180287 */288static 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 / TBMV30712IN1303 * used in Air2PC ATSC - 2nd generation (nxt2002)304 */305static 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 */324static 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 338static 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 = 4348 };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 else381 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 390static 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 411static 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 = 4419 };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 */437static 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 */457static 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 */471static 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 supported482 * by this driver. The two extra bits are 0x60 in the third byte. 15483 * bits is enough for over 4 GHz, which is enough to cover the range484 * of this tuner. We could use the additional divisor bits by adding485 * 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 */492static 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 R0506 * byte 5 : C1 * RE RTS BS4 BS3 BS2 BS1507 * AGD = 1, R3 R2 R1 R0 = 0 1 0 1 => byte 4 = 1**10101 = 0x95508 * Range(MHz) C1 * RE RTS BS4 BS3 BS2 BS1 Byte 5509 * 47 - 153 0 * 0 0 0 0 0 1 0x01510 * 153 - 430 0 * 0 0 0 0 1 0 0x02511 * 430 - 822 0 * 0 0 1 0 0 0 0x08512 * 822 - 862 1 * 0 0 1 0 0 0 0x88 */513static 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 */529static 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 */545static 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 568static 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 596static 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 to631 return (div * desc->entries[i].stepsize) - desc->iffreq;632}633 634static void dvb_pll_release(struct dvb_frontend *fe)635{636 kfree(fe->tuner_priv);637 fe->tuner_priv = NULL;638}639 640static 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 666static 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 else684 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 698static 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 else713 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 723static 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 730static 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 737static 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 771static 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 781struct 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_alloc_max(&pll_ida, DVB_PLL_MAX - 1, 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;863out:864 kfree(b1);865 ida_free(&pll_ida, nr);866 867 return NULL;868}869EXPORT_SYMBOL_GPL(dvb_pll_attach);870 871 872static int873dvb_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 903static 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_free(&pll_ida, priv->nr);909 dvb_pll_release(fe);910}911 912 913static 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 939MODULE_DEVICE_TABLE(i2c, dvb_pll_id);940 941static 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 950module_i2c_driver(dvb_pll_driver);951 952MODULE_DESCRIPTION("dvb pll library");953MODULE_AUTHOR("Gerd Knorr");954MODULE_LICENSE("GPL");955