drivers/media/dvb/dibusb/dvb-dibusb-fe-i2c.c

   1 /*
   2  * dvb-dibusb-fe-i2c.c is part of the driver for mobile USB Budget DVB-T devices
   3  * based on reference design made by DiBcom (http://www.dibcom.fr/)
   4  *
   5  * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
   6  *
   7  * see dvb-dibusb-core.c for more copyright details.
   8  *
   9  * This file contains functions for attaching, initializing of an appropriate
  10  * demodulator/frontend. I2C-stuff is also located here.
  11  *
  12  */
  13 #include "dvb-dibusb.h"
  14
  15 #include <linux/usb.h>
  16
  17 static int dibusb_i2c_msg(struct usb_dibusb *dib, u8 addr,
  18                           u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
  19 {
  20         u8 sndbuf[wlen+4]; /* lead(1) devaddr,direction(1) addr(2) data(wlen) (len(2) (when reading)) */
  21         /* write only ? */
  22         int wo = (rbuf == NULL || rlen == 0),
  23                 len = 2 + wlen + (wo ? 0 : 2);
  24
  25         sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ;
  26         sndbuf[1] = (addr << 1) | (wo ? 0 : 1);
  27
  28         memcpy(&sndbuf[2],wbuf,wlen);
  29
  30         if (!wo) {
  31                 sndbuf[wlen+2] = (rlen >> 8) & 0xff;
  32                 sndbuf[wlen+3] = rlen & 0xff;
  33         }
  34
  35         return dibusb_readwrite_usb(dib,sndbuf,len,rbuf,rlen);
  36 }
  37
  38 /*
  39  * I2C master xfer function
  40  */
  41 static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg *msg,int num)
  42 {
  43         struct usb_dibusb *dib = i2c_get_adapdata(adap);
  44         int i;
  45
  46         if (down_interruptible(&dib->i2c_sem) < 0)
  47                 return -EAGAIN;
  48
  49         if (num > 2)
  50                 warn("more than 2 i2c messages at a time is not handled yet. TODO.");
  51
  52         for (i = 0; i < num; i++) {
  53                 /* write/read request */
  54                 if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
  55                         if (dibusb_i2c_msg(dib, msg[i].addr, msg[i].buf,msg[i].len,
  56                                                 msg[i+1].buf,msg[i+1].len) < 0)
  57                                 break;
  58                         i++;
  59                 } else
  60                         if (dibusb_i2c_msg(dib, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0)
  61                                 break;
  62         }
  63
  64         up(&dib->i2c_sem);
  65         return i;
  66 }
  67
  68 static u32 dibusb_i2c_func(struct i2c_adapter *adapter)
  69 {
  70         return I2C_FUNC_I2C;
  71 }
  72
  73 static struct i2c_algorithm dibusb_algo = {
  74         .name                   = "DiBcom USB i2c algorithm",
  75         .id                             = I2C_ALGO_BIT,
  76         .master_xfer    = dibusb_i2c_xfer,
  77         .functionality  = dibusb_i2c_func,
  78 };
  79
  80 static int dibusb_general_demod_init(struct dvb_frontend *fe);
  81 static u8 dibusb_general_pll_addr(struct dvb_frontend *fe);
  82 static int dibusb_general_pll_init(struct dvb_frontend *fe, u8 pll_buf[5]);
  83 static int dibusb_general_pll_set(struct dvb_frontend *fe,
  84                 struct dvb_frontend_parameters* params, u8 pll_buf[5]);
  85
  86 static struct mt352_config mt352_hanftek_umt_010_config = {
  87         .demod_address = 0x1e,
  88         .demod_init = dibusb_general_demod_init,
  89         .pll_set = dibusb_general_pll_set,
  90 };
  91
  92 static int dibusb_tuner_quirk(struct usb_dibusb *dib)
  93 {
  94         switch (dib->dibdev->dev_cl->id) {
  95                 case DIBUSB1_1: /* some these device have the ENV77H11D5 and some the THOMSON CABLE */
  96                 case DIBUSB1_1_AN2235: { /* actually its this device, but in warm state they are indistinguishable */
  97                         struct dibusb_tuner *t;
  98                         u8 b[2] = { 0,0 } ,b2[1];
  99                         struct i2c_msg msg[2] = {
 100                                 { .flags = 0, .buf = b, .len = 2 },
 101                                 { .flags = I2C_M_RD, .buf = b2, .len = 1},
 102                         };
 103
 104                         t = &dibusb_tuner[DIBUSB_TUNER_COFDM_PANASONIC_ENV77H11D5];
 105
 106                         msg[0].addr = msg[1].addr = t->pll_addr;
 107
 108                         if (dib->xfer_ops.tuner_pass_ctrl != NULL)
 109                                 dib->xfer_ops.tuner_pass_ctrl(dib->fe,1,t->pll_addr);
 110                         dibusb_i2c_xfer(&dib->i2c_adap,msg,2);
 111                         if (dib->xfer_ops.tuner_pass_ctrl != NULL)
 112                                 dib->xfer_ops.tuner_pass_ctrl(dib->fe,0,t->pll_addr);
 113
 114                         if (b2[0] == 0xfe)
 115                                 info("this device has the Thomson Cable onboard. Which is default.");
 116                         else {
 117                                 dib->tuner = t;
 118                                 info("this device has the Panasonic ENV77H11D5 onboard.");
 119                         }
 120                         break;
 121                 }
 122                 default:
 123                         break;
 124         }
 125         return 0;
 126 }
 127
 128 int dibusb_fe_init(struct usb_dibusb* dib)
 129 {
 130         struct dib3000_config demod_cfg;
 131         int i;
 132
 133         if (dib->init_state & DIBUSB_STATE_I2C) {
 134                 for (i = 0; i < sizeof(dib->dibdev->dev_cl->demod->i2c_addrs) / sizeof(unsigned char) &&
 135                                 dib->dibdev->dev_cl->demod->i2c_addrs[i] != 0; i++) {
 136
 137                         demod_cfg.demod_address = dib->dibdev->dev_cl->demod->i2c_addrs[i];
 138                         demod_cfg.pll_addr = dibusb_general_pll_addr;
 139                         demod_cfg.pll_set = dibusb_general_pll_set;
 140                         demod_cfg.pll_init = dibusb_general_pll_init;
 141
 142                         deb_info("demod id: %d %d\n",dib->dibdev->dev_cl->demod->id,DTT200U_FE);
 143
 144                         switch (dib->dibdev->dev_cl->demod->id) {
 145                                 case DIBUSB_DIB3000MB:
 146                                         dib->fe = dib3000mb_attach(&demod_cfg,&dib->i2c_adap,&dib->xfer_ops);
 147                                 break;
 148                                 case DIBUSB_DIB3000MC:
 149                                         dib->fe = dib3000mc_attach(&demod_cfg,&dib->i2c_adap,&dib->xfer_ops);
 150                                 break;
 151                                 case DIBUSB_MT352:
 152                                         mt352_hanftek_umt_010_config.demod_address = dib->dibdev->dev_cl->demod->i2c_addrs[i];
 153                                         dib->fe = mt352_attach(&mt352_hanftek_umt_010_config, &dib->i2c_adap);
 154                                 break;
 155                                 case DTT200U_FE:
 156                                         dib->fe = dtt200u_fe_attach(dib,&dib->xfer_ops);
 157                                 break;
 158                         }
 159                         if (dib->fe != NULL) {
 160                                 info("found demodulator at i2c address 0x%x",dib->dibdev->dev_cl->demod->i2c_addrs[i]);
 161                                 break;
 162                         }
 163                 }
 164                 /* if a frontend was found */
 165                 if (dib->fe != NULL) {
 166                         if (dib->fe->ops->sleep != NULL)
 167                                 dib->fe_sleep = dib->fe->ops->sleep;
 168                         dib->fe->ops->sleep = dibusb_hw_sleep;
 169
 170                         if (dib->fe->ops->init != NULL )
 171                                 dib->fe_init = dib->fe->ops->init;
 172                         dib->fe->ops->init = dibusb_hw_wakeup;
 173
 174                         /* setting the default tuner */
 175                         dib->tuner = dib->dibdev->dev_cl->tuner;
 176
 177                         /* check which tuner is mounted on this device, in case this is unsure */
 178                         dibusb_tuner_quirk(dib);
 179                 }
 180         }
 181         if (dib->fe == NULL) {
 182                 err("A frontend driver was not found for device '%s'.",
 183                        dib->dibdev->name);
 184                 return -ENODEV;
 185         } else {
 186                 if (dvb_register_frontend(&dib->adapter, dib->fe)) {
 187                         err("Frontend registration failed.");
 188                         if (dib->fe->ops->release)
 189                                 dib->fe->ops->release(dib->fe);
 190                         dib->fe = NULL;
 191                         return -ENODEV;
 192                 }
 193         }
 194
 195         return 0;
 196 }
 197
 198 int dibusb_fe_exit(struct usb_dibusb *dib)
 199 {
 200         if (dib->fe != NULL)
 201                 dvb_unregister_frontend(dib->fe);
 202         return 0;
 203 }
 204
 205 int dibusb_i2c_init(struct usb_dibusb *dib)
 206 {
 207         int ret = 0;
 208
 209         dib->adapter.priv = dib;
 210
 211         strncpy(dib->i2c_adap.name,dib->dibdev->name,I2C_NAME_SIZE);
 212 #ifdef I2C_ADAP_CLASS_TV_DIGITAL
 213         dib->i2c_adap.class = I2C_ADAP_CLASS_TV_DIGITAL,
 214 #else
 215         dib->i2c_adap.class = I2C_CLASS_TV_DIGITAL,
 216 #endif
 217         dib->i2c_adap.algo              = &dibusb_algo;
 218         dib->i2c_adap.algo_data = NULL;
 219         dib->i2c_adap.id                = I2C_ALGO_BIT;
 220
 221         i2c_set_adapdata(&dib->i2c_adap, dib);
 222
 223         if ((ret = i2c_add_adapter(&dib->i2c_adap)) < 0)
 224                 err("could not add i2c adapter");
 225
 226         dib->init_state |= DIBUSB_STATE_I2C;
 227
 228         return ret;
 229 }
 230
 231 int dibusb_i2c_exit(struct usb_dibusb *dib)
 232 {
 233         if (dib->init_state & DIBUSB_STATE_I2C)
 234                 i2c_del_adapter(&dib->i2c_adap);
 235         dib->init_state &= ~DIBUSB_STATE_I2C;
 236         return 0;
 237 }
 238
 239
 240 /* pll stuff, maybe removed soon (thx to Gerd/Andrew in advance) */
 241 static int thomson_cable_eu_pll_set(struct dvb_frontend_parameters *fep, u8 pllbuf[4])
 242 {
 243         u32 tfreq = (fep->frequency + 36125000) / 62500;
 244         int vu,p0,p1,p2;
 245
 246         if (fep->frequency > 403250000)
 247                 vu = 1, p2 = 1, p1 = 0, p0 = 1;
 248         else if (fep->frequency > 115750000)
 249                 vu = 0, p2 = 1, p1 = 1, p0 = 0;
 250         else if (fep->frequency > 44250000)
 251                 vu = 0, p2 = 0, p1 = 1, p0 = 1;
 252         else
 253                 return -EINVAL;
 254
 255         pllbuf[0] = (tfreq >> 8) & 0x7f;
 256         pllbuf[1] = tfreq & 0xff;
 257         pllbuf[2] = 0x8e;
 258         pllbuf[3] = (vu << 7) | (p2 << 2) | (p1 << 1) | p0;
 259         return 0;
 260 }
 261
 262 static int panasonic_cofdm_env57h1xd5_pll_set(struct dvb_frontend_parameters *fep, u8 pllbuf[4])
 263 {
 264         u32 freq_khz = fep->frequency / 1000;
 265         u32 tfreq = ((freq_khz + 36125)*6 + 500) / 1000;
 266         u8 TA, T210, R210, ctrl1, cp210, p4321;
 267         if (freq_khz > 858000) {
 268                 err("frequency cannot be larger than 858 MHz.");
 269                 return -EINVAL;
 270         }
 271
 272         // contol data 1 : 1 | T/A=1 | T2,T1,T0 = 0,0,0 | R2,R1,R0 = 0,1,0
 273         TA = 1;
 274         T210 = 0;
 275         R210 = 0x2;
 276         ctrl1 = (1 << 7) | (TA << 6) | (T210 << 3) | R210;
 277
 278 // ********    CHARGE PUMP CONFIG vs RF FREQUENCIES     *****************
 279         if (freq_khz < 470000)
 280                 cp210 = 2;  // VHF Low and High band ch E12 to E4 to E12
 281         else if (freq_khz < 526000)
 282                 cp210 = 4;  // UHF band Ch E21 to E27
 283         else // if (freq < 862000000)
 284                 cp210 = 5;  // UHF band ch E28 to E69
 285
 286 //*********************    BW select  *******************************
 287         if (freq_khz < 153000)
 288                 p4321  = 1; // BW selected for VHF low
 289         else if (freq_khz < 470000)
 290                 p4321  = 2; // BW selected for VHF high E5 to E12
 291         else // if (freq < 862000000)
 292                 p4321  = 4; // BW selection for UHF E21 to E69
 293
 294         pllbuf[0] = (tfreq >> 8) & 0xff;
 295         pllbuf[1] = (tfreq >> 0) & 0xff;
 296         pllbuf[2] = 0xff & ctrl1;
 297         pllbuf[3] =  (cp210 << 5) | (p4321);
 298
 299         return 0;
 300 }
 301
 302 /*
 303  *                          7   6               5       4       3       2       1       0
 304  * Address Byte             1   1               0       0       0       MA1     MA0     R/~W=0
 305  *
 306  * Program divider byte 1   0   n14             n13     n12     n11     n10     n9      n8
 307  * Program divider byte 2       n7      n6              n5      n4      n3      n2      n1      n0
 308  *
 309  * Control byte 1           1   T/A=1   T2      T1      T0      R2      R1      R0
 310  *                          1   T/A=0   0       0       ATC     AL2     AL1     AL0
 311  *
 312  * Control byte 2           CP2 CP1             CP0     BS5     BS4     BS3     BS2     BS1
 313  *
 314  * MA0/1 = programmable address bits
 315  * R/~W  = read/write bit (0 for writing)
 316  * N14-0 = programmable LO frequency
 317  *
 318  * T/A   = test AGC bit (0 = next 6 bits AGC setting,
 319  *                       1 = next 6 bits test and reference divider ratio settings)
 320  * T2-0  = test bits
 321  * R2-0  = reference divider ratio and programmable frequency step
 322  * ATC   = AGC current setting and time constant
 323  *         ATC = 0: AGC current = 220nA, AGC time constant = 2s
 324  *         ATC = 1: AGC current = 9uA, AGC time constant = 50ms
 325  * AL2-0 = AGC take-over point bits
 326  * CP2-0 = charge pump current
 327  * BS5-1 = PMOS ports control bits;
 328  *             BSn = 0 corresponding port is off, high-impedance state (at power-on)
 329  *             BSn = 1 corresponding port is on
 330  */
 331 static int panasonic_cofdm_env77h11d5_tda6650_init(struct dvb_frontend *fe, u8 pllbuf[4])
 332 {
 333         pllbuf[0] = 0x0b;
 334         pllbuf[1] = 0xf5;
 335         pllbuf[2] = 0x85;
 336         pllbuf[3] = 0xab;
 337         return 0;
 338 }
 339
 340 static int panasonic_cofdm_env77h11d5_tda6650_set (struct dvb_frontend_parameters *fep,u8 pllbuf[4])
 341 {
 342         int tuner_frequency = 0;
 343         u8 band, cp, filter;
 344
 345         // determine charge pump
 346         tuner_frequency = fep->frequency + 36166000;
 347         if (tuner_frequency < 87000000)
 348                 return -EINVAL;
 349         else if (tuner_frequency < 130000000)
 350                 cp = 3;
 351         else if (tuner_frequency < 160000000)
 352                 cp = 5;
 353         else if (tuner_frequency < 200000000)
 354                 cp = 6;
 355         else if (tuner_frequency < 290000000)
 356                 cp = 3;
 357         else if (tuner_frequency < 420000000)
 358                 cp = 5;
 359         else if (tuner_frequency < 480000000)
 360                 cp = 6;
 361         else if (tuner_frequency < 620000000)
 362                 cp = 3;
 363         else if (tuner_frequency < 830000000)
 364                 cp = 5;
 365         else if (tuner_frequency < 895000000)
 366                 cp = 7;
 367         else
 368                 return -EINVAL;
 369
 370         // determine band
 371         if (fep->frequency < 49000000)
 372                 return -EINVAL;
 373         else if (fep->frequency < 161000000)
 374                 band = 1;
 375         else if (fep->frequency < 444000000)
 376                 band = 2;
 377         else if (fep->frequency < 861000000)
 378                 band = 4;
 379         else
 380                 return -EINVAL;
 381
 382         // setup PLL filter
 383         switch (fep->u.ofdm.bandwidth) {
 384                 case BANDWIDTH_6_MHZ:
 385                 case BANDWIDTH_7_MHZ:
 386                         filter = 0;
 387                         break;
 388                 case BANDWIDTH_8_MHZ:
 389                         filter = 1;
 390                         break;
 391                 default:
 392                         return -EINVAL;
 393         }
 394
 395         // calculate divisor
 396         // ((36166000+((1000000/6)/2)) + Finput)/(1000000/6)
 397         tuner_frequency = (((fep->frequency / 1000) * 6) + 217496) / 1000;
 398
 399         // setup tuner buffer
 400         pllbuf[0] = (tuner_frequency >> 8) & 0x7f;
 401         pllbuf[1] = tuner_frequency & 0xff;
 402         pllbuf[2] = 0xca;
 403         pllbuf[3] = (cp << 5) | (filter << 3) | band;
 404         return 0;
 405 }
 406
 407 /*
 408  *                          7   6       5       4       3       2       1       0
 409  * Address Byte             1   1       0       0       0       MA1     MA0     R/~W=0
 410  *
 411  * Program divider byte 1   0   n14     n13     n12     n11     n10     n9      n8
 412  * Program divider byte 2       n7      n6      n5      n4      n3      n2      n1      n0
 413  *
 414  * Control byte             1   CP      T2      T1      T0      RSA     RSB     OS
 415  *
 416  * Band Switch byte         X   X       X       P4      P3      P2      P1      P0
 417  *
 418  * Auxiliary byte           ATC AL2     AL1     AL0     0       0       0       0
 419  *
 420  * Address: MA1 MA0     Address
 421  *          0   0       c0
 422  *          0   1       c2 (always valid)
 423  *          1   0       c4
 424  *          1   1       c6
 425  */
 426 static int lg_tdtp_e102p_tua6034(struct dvb_frontend_parameters* fep, u8 pllbuf[4])
 427 {
 428         u32 div;
 429         u8 p210, p3;
 430
 431 #define TUNER_MUL 62500
 432
 433         div = (fep->frequency + 36125000 + TUNER_MUL / 2) / TUNER_MUL;
 434 //      div = ((fep->frequency/1000 + 36166) * 6) / 1000;
 435
 436         if (fep->frequency < 174500000)
 437                 p210 = 1; // not supported by the tdtp_e102p
 438         else if (fep->frequency < 230000000) // VHF
 439                 p210 = 2;
 440         else
 441                 p210 = 4;
 442
 443         if (fep->u.ofdm.bandwidth == BANDWIDTH_7_MHZ)
 444                 p3 = 0;
 445         else
 446                 p3 = 1;
 447
 448         pllbuf[0] = (div >> 8) & 0x7f;
 449         pllbuf[1] = div & 0xff;
 450         pllbuf[2] = 0xce;
 451 //      pllbuf[2] = 0xcc;
 452         pllbuf[3] = (p3 << 3) | p210;
 453
 454         return 0;
 455 }
 456
 457 static int lg_tdtp_e102p_mt352_demod_init(struct dvb_frontend *fe)
 458 {
 459         static u8 mt352_clock_config[] = { 0x89, 0xb8, 0x2d };
 460         static u8 mt352_reset[] = { 0x50, 0x80 };
 461         static u8 mt352_mclk_ratio[] = { 0x8b, 0x00 };
 462         static u8 mt352_adc_ctl_1_cfg[] = { 0x8E, 0x40 };
 463         static u8 mt352_agc_cfg[] = { 0x67, 0x10, 0xa0 };
 464
 465         static u8 mt352_sec_agc_cfg1[] = { 0x6a, 0xff };
 466         static u8 mt352_sec_agc_cfg2[] = { 0x6d, 0xff };
 467         static u8 mt352_sec_agc_cfg3[] = { 0x70, 0x40 };
 468         static u8 mt352_sec_agc_cfg4[] = { 0x7b, 0x03 };
 469         static u8 mt352_sec_agc_cfg5[] = { 0x7d, 0x0f };
 470
 471         static u8 mt352_acq_ctl[] = { 0x53, 0x50 };
 472         static u8 mt352_input_freq_1[] = { 0x56, 0x31, 0x06 };
 473
 474         mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
 475         udelay(2000);
 476         mt352_write(fe, mt352_reset, sizeof(mt352_reset));
 477         mt352_write(fe, mt352_mclk_ratio, sizeof(mt352_mclk_ratio));
 478
 479         mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
 480         mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
 481
 482         mt352_write(fe, mt352_sec_agc_cfg1, sizeof(mt352_sec_agc_cfg1));
 483         mt352_write(fe, mt352_sec_agc_cfg2, sizeof(mt352_sec_agc_cfg2));
 484         mt352_write(fe, mt352_sec_agc_cfg3, sizeof(mt352_sec_agc_cfg3));
 485         mt352_write(fe, mt352_sec_agc_cfg4, sizeof(mt352_sec_agc_cfg4));
 486         mt352_write(fe, mt352_sec_agc_cfg5, sizeof(mt352_sec_agc_cfg5));
 487
 488         mt352_write(fe, mt352_acq_ctl, sizeof(mt352_acq_ctl));
 489         mt352_write(fe, mt352_input_freq_1, sizeof(mt352_input_freq_1));
 490
 491         return 0;
 492 }
 493
 494 static int dibusb_general_demod_init(struct dvb_frontend *fe)
 495 {
 496         struct usb_dibusb* dib = (struct usb_dibusb*) fe->dvb->priv;
 497         switch (dib->dibdev->dev_cl->id) {
 498                 case UMT2_0:
 499                         return lg_tdtp_e102p_mt352_demod_init(fe);
 500                 default: /* other device classes do not have device specific demod inits */
 501                         break;
 502         }
 503         return 0;
 504 }
 505
 506 static u8 dibusb_general_pll_addr(struct dvb_frontend *fe)
 507 {
 508         struct usb_dibusb* dib = (struct usb_dibusb*) fe->dvb->priv;
 509         return dib->tuner->pll_addr;
 510 }
 511
 512 static int dibusb_pll_i2c_helper(struct usb_dibusb *dib, u8 pll_buf[5], u8 buf[4])
 513 {
 514         if (pll_buf == NULL) {
 515                 struct i2c_msg msg = {
 516                         .addr = dib->tuner->pll_addr,
 517                         .flags = 0,
 518                         .buf = buf,
 519                         .len = sizeof(buf)
 520                 };
 521                 if (i2c_transfer (&dib->i2c_adap, &msg, 1) != 1)
 522                         return -EIO;
 523                 msleep(1);
 524         } else {
 525                 pll_buf[0] = dib->tuner->pll_addr << 1;
 526                 memcpy(&pll_buf[1],buf,4);
 527         }
 528
 529         return 0;
 530 }
 531
 532 static int dibusb_general_pll_init(struct dvb_frontend *fe,
 533                 u8 pll_buf[5])
 534 {
 535         struct usb_dibusb* dib = (struct usb_dibusb*) fe->dvb->priv;
 536         u8 buf[4];
 537         int ret=0;
 538         switch (dib->tuner->id) {
 539                 case DIBUSB_TUNER_COFDM_PANASONIC_ENV77H11D5:
 540                         ret = panasonic_cofdm_env77h11d5_tda6650_init(fe,buf);
 541                         break;
 542                 default:
 543                         break;
 544         }
 545
 546         if (ret)
 547                 return ret;
 548
 549         return dibusb_pll_i2c_helper(dib,pll_buf,buf);
 550 }
 551
 552 static int dibusb_general_pll_set(struct dvb_frontend *fe,
 553                 struct dvb_frontend_parameters *fep, u8 pll_buf[5])
 554 {
 555         struct usb_dibusb* dib = (struct usb_dibusb*) fe->dvb->priv;
 556         u8 buf[4];
 557         int ret=0;
 558
 559         switch (dib->tuner->id) {
 560                 case DIBUSB_TUNER_CABLE_THOMSON:
 561                         ret = thomson_cable_eu_pll_set(fep, buf);
 562                         break;
 563                 case DIBUSB_TUNER_COFDM_PANASONIC_ENV57H1XD5:
 564                         ret = panasonic_cofdm_env57h1xd5_pll_set(fep, buf);
 565                         break;
 566                 case DIBUSB_TUNER_CABLE_LG_TDTP_E102P:
 567                         ret = lg_tdtp_e102p_tua6034(fep, buf);
 568                         break;
 569                 case DIBUSB_TUNER_COFDM_PANASONIC_ENV77H11D5:
 570                         ret = panasonic_cofdm_env77h11d5_tda6650_set(fep,buf);
 571                         break;
 572                 default:
 573                         warn("no pll programming routine found for tuner %d.\n",dib->tuner->id);
 574                         ret = -ENODEV;
 575                         break;
 576         }
 577
 578         if (ret)
 579                 return ret;
 580
 581         return dibusb_pll_i2c_helper(dib,pll_buf,buf);
 582 }