SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/media/dvb/frontends/dvb-pll.c

   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 #include <linux/module.h>
  22 #include <linux/dvb/frontend.h>
  23 #include <asm/types.h>
  24
  25 #include "dvb-pll.h"
  26
  27 struct dvb_pll_priv {
  28         /* pll number */
  29         int nr;
  30
  31         /* i2c details */
  32         int pll_i2c_address;
  33         struct i2c_adapter *i2c;
  34
  35         /* the PLL descriptor */
  36         struct dvb_pll_desc *pll_desc;
  37
  38         /* cached frequency/bandwidth */
  39         u32 frequency;
  40         u32 bandwidth;
  41 };
  42
  43 #define DVB_PLL_MAX 64
  44
  45 static unsigned int dvb_pll_devcount;
  46
  47 static int debug;
  48 module_param(debug, int, 0644);
  49 MODULE_PARM_DESC(debug, "enable verbose debug messages");
  50
  51 static unsigned int input[DVB_PLL_MAX] = { [ 0 ... (DVB_PLL_MAX-1) ] = 0 };
  52 module_param_array(input, int, NULL, 0644);
  53 MODULE_PARM_DESC(input,"specify rf input choice, 0 for autoselect (default)");
  54
  55 static unsigned int id[DVB_PLL_MAX] =
  56         { [ 0 ... (DVB_PLL_MAX-1) ] = DVB_PLL_UNDEFINED };
  57 module_param_array(id, int, NULL, 0644);
  58 MODULE_PARM_DESC(id, "force pll id to use (DEBUG ONLY)");
  59
  60 /* ----------------------------------------------------------- */
  61
  62 struct dvb_pll_desc {
  63         char *name;
  64         u32  min;
  65         u32  max;
  66         u32  iffreq;
  67         void (*set)(struct dvb_frontend *fe, u8 *buf,
  68                     const struct dvb_frontend_parameters *params);
  69         u8   *initdata;
  70         u8   *sleepdata;
  71         int  count;
  72         struct {
  73                 u32 limit;
  74                 u32 stepsize;
  75                 u8  config;
  76                 u8  cb;
  77         } entries[12];
  78 };
  79
  80 /* ----------------------------------------------------------- */
  81 /* descriptions                                                */
  82
  83 /* Set AGC TOP value to 103 dBuV:
  84         0x80 = Control Byte
  85         0x40 = 250 uA charge pump (irrelevant)
  86         0x18 = Aux Byte to follow
  87         0x06 = 64.5 kHz divider (irrelevant)
  88         0x01 = Disable Vt (aka sleep)
  89
  90         0x00 = AGC Time constant 2s Iagc = 300 nA (vs 0x80 = 9 nA)
  91         0x50 = AGC Take over point = 103 dBuV */
  92 static u8 tua603x_agc103[] = { 2, 0x80|0x40|0x18|0x06|0x01, 0x00|0x50 };
  93
  94 /*      0x04 = 166.67 kHz divider
  95
  96         0x80 = AGC Time constant 50ms Iagc = 9 uA
  97         0x20 = AGC Take over point = 112 dBuV */
  98 static u8 tua603x_agc112[] = { 2, 0x80|0x40|0x18|0x04|0x01, 0x80|0x20 };
  99
 100 static struct dvb_pll_desc dvb_pll_thomson_dtt7579 = {
 101         .name  = "Thomson dtt7579",
 102         .min   = 177000000,
 103         .max   = 858000000,
 104         .iffreq= 36166667,
 105         .sleepdata = (u8[]){ 2, 0xb4, 0x03 },
 106         .count = 4,
 107         .entries = {
 108                 {  443250000, 166667, 0xb4, 0x02 },
 109                 {  542000000, 166667, 0xb4, 0x08 },
 110                 {  771000000, 166667, 0xbc, 0x08 },
 111                 {  999999999, 166667, 0xf4, 0x08 },
 112         },
 113 };
 114
 115
 116 static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf,
 117                                const struct dvb_frontend_parameters *params)
 118 {
 119         if (BANDWIDTH_7_MHZ == params->u.ofdm.bandwidth)
 120                 buf[3] |= 0x10;
 121 }
 122
 123 static struct dvb_pll_desc dvb_pll_thomson_dtt759x = {
 124         .name  = "Thomson dtt759x",
 125         .min   = 177000000,
 126         .max   = 896000000,
 127         .set   = thomson_dtt759x_bw,
 128         .iffreq= 36166667,
 129         .sleepdata = (u8[]){ 2, 0x84, 0x03 },
 130         .count = 5,
 131         .entries = {
 132                 {  264000000, 166667, 0xb4, 0x02 },
 133                 {  470000000, 166667, 0xbc, 0x02 },
 134                 {  735000000, 166667, 0xbc, 0x08 },
 135                 {  835000000, 166667, 0xf4, 0x08 },
 136                 {  999999999, 166667, 0xfc, 0x08 },
 137         },
 138 };
 139
 140 static struct dvb_pll_desc dvb_pll_lg_z201 = {
 141         .name  = "LG z201",
 142         .min   = 174000000,
 143         .max   = 862000000,
 144         .iffreq= 36166667,
 145         .sleepdata = (u8[]){ 2, 0xbc, 0x03 },
 146         .count = 5,
 147         .entries = {
 148                 {  157500000, 166667, 0xbc, 0x01 },
 149                 {  443250000, 166667, 0xbc, 0x02 },
 150                 {  542000000, 166667, 0xbc, 0x04 },
 151                 {  830000000, 166667, 0xf4, 0x04 },
 152                 {  999999999, 166667, 0xfc, 0x04 },
 153         },
 154 };
 155
 156 static struct dvb_pll_desc dvb_pll_microtune_4042 = {
 157         .name  = "Microtune 4042 FI5",
 158         .min   =  57000000,
 159         .max   = 858000000,
 160         .iffreq= 44000000,
 161         .count = 3,
 162         .entries = {
 163                 { 162000000, 62500, 0x8e, 0xa1 },
 164                 { 457000000, 62500, 0x8e, 0x91 },
 165                 { 999999999, 62500, 0x8e, 0x31 },
 166         },
 167 };
 168
 169 static struct dvb_pll_desc dvb_pll_thomson_dtt761x = {
 170         /* DTT 7611 7611A 7612 7613 7613A 7614 7615 7615A */
 171         .name  = "Thomson dtt761x",
 172         .min   =  57000000,
 173         .max   = 863000000,
 174         .iffreq= 44000000,
 175         .count = 3,
 176         .initdata = tua603x_agc103,
 177         .entries = {
 178                 { 147000000, 62500, 0x8e, 0x39 },
 179                 { 417000000, 62500, 0x8e, 0x3a },
 180                 { 999999999, 62500, 0x8e, 0x3c },
 181         },
 182 };
 183
 184 static struct dvb_pll_desc dvb_pll_unknown_1 = {
 185         .name  = "unknown 1", /* used by dntv live dvb-t */
 186         .min   = 174000000,
 187         .max   = 862000000,
 188         .iffreq= 36166667,
 189         .count = 9,
 190         .entries = {
 191                 {  150000000, 166667, 0xb4, 0x01 },
 192                 {  173000000, 166667, 0xbc, 0x01 },
 193                 {  250000000, 166667, 0xb4, 0x02 },
 194                 {  400000000, 166667, 0xbc, 0x02 },
 195                 {  420000000, 166667, 0xf4, 0x02 },
 196                 {  470000000, 166667, 0xfc, 0x02 },
 197                 {  600000000, 166667, 0xbc, 0x08 },
 198                 {  730000000, 166667, 0xf4, 0x08 },
 199                 {  999999999, 166667, 0xfc, 0x08 },
 200         },
 201 };
 202
 203 /* Infineon TUA6010XS
 204  * used in Thomson Cable Tuner
 205  */
 206 static struct dvb_pll_desc dvb_pll_tua6010xs = {
 207         .name  = "Infineon TUA6010XS",
 208         .min   =  44250000,
 209         .max   = 858000000,
 210         .iffreq= 36125000,
 211         .count = 3,
 212         .entries = {
 213                 {  115750000, 62500, 0x8e, 0x03 },
 214                 {  403250000, 62500, 0x8e, 0x06 },
 215                 {  999999999, 62500, 0x8e, 0x85 },
 216         },
 217 };
 218
 219 /* Panasonic env57h1xd5 (some Philips PLL ?) */
 220 static struct dvb_pll_desc dvb_pll_env57h1xd5 = {
 221         .name  = "Panasonic ENV57H1XD5",
 222         .min   =  44250000,
 223         .max   = 858000000,
 224         .iffreq= 36125000,
 225         .count = 4,
 226         .entries = {
 227                 {  153000000, 166667, 0xc2, 0x41 },
 228                 {  470000000, 166667, 0xc2, 0x42 },
 229                 {  526000000, 166667, 0xc2, 0x84 },
 230                 {  999999999, 166667, 0xc2, 0xa4 },
 231         },
 232 };
 233
 234 /* Philips TDA6650/TDA6651
 235  * used in Panasonic ENV77H11D5
 236  */
 237 static void tda665x_bw(struct dvb_frontend *fe, u8 *buf,
 238                        const struct dvb_frontend_parameters *params)
 239 {
 240         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
 241                 buf[3] |= 0x08;
 242 }
 243
 244 static struct dvb_pll_desc dvb_pll_tda665x = {
 245         .name  = "Philips TDA6650/TDA6651",
 246         .min   =  44250000,
 247         .max   = 858000000,
 248         .set   = tda665x_bw,
 249         .iffreq= 36166667,
 250         .initdata = (u8[]){ 4, 0x0b, 0xf5, 0x85, 0xab },
 251         .count = 12,
 252         .entries = {
 253                 {   93834000, 166667, 0xca, 0x61 /* 011 0 0 0  01 */ },
 254                 {  123834000, 166667, 0xca, 0xa1 /* 101 0 0 0  01 */ },
 255                 {  161000000, 166667, 0xca, 0xa1 /* 101 0 0 0  01 */ },
 256                 {  163834000, 166667, 0xca, 0xc2 /* 110 0 0 0  10 */ },
 257                 {  253834000, 166667, 0xca, 0x62 /* 011 0 0 0  10 */ },
 258                 {  383834000, 166667, 0xca, 0xa2 /* 101 0 0 0  10 */ },
 259                 {  443834000, 166667, 0xca, 0xc2 /* 110 0 0 0  10 */ },
 260                 {  444000000, 166667, 0xca, 0xc4 /* 110 0 0 1  00 */ },
 261                 {  583834000, 166667, 0xca, 0x64 /* 011 0 0 1  00 */ },
 262                 {  793834000, 166667, 0xca, 0xa4 /* 101 0 0 1  00 */ },
 263                 {  444834000, 166667, 0xca, 0xc4 /* 110 0 0 1  00 */ },
 264                 {  861000000, 166667, 0xca, 0xe4 /* 111 0 0 1  00 */ },
 265         }
 266 };
 267
 268 /* Infineon TUA6034
 269  * used in LG TDTP E102P
 270  */
 271 static void tua6034_bw(struct dvb_frontend *fe, u8 *buf,
 272                        const struct dvb_frontend_parameters *params)
 273 {
 274         if (BANDWIDTH_7_MHZ != params->u.ofdm.bandwidth)
 275                 buf[3] |= 0x08;
 276 }
 277
 278 static struct dvb_pll_desc dvb_pll_tua6034 = {
 279         .name  = "Infineon TUA6034",
 280         .min   =  44250000,
 281         .max   = 858000000,
 282         .iffreq= 36166667,
 283         .count = 3,
 284         .set   = tua6034_bw,
 285         .entries = {
 286                 {  174500000, 62500, 0xce, 0x01 },
 287                 {  230000000, 62500, 0xce, 0x02 },
 288                 {  999999999, 62500, 0xce, 0x04 },
 289         },
 290 };
 291
 292 /* Infineon TUA6034
 293  * used in LG TDVS-H061F, LG TDVS-H062F and LG TDVS-H064F
 294  */
 295 static struct dvb_pll_desc dvb_pll_lg_tdvs_h06xf = {
 296         .name  = "LG TDVS-H06xF",
 297         .min   =  54000000,
 298         .max   = 863000000,
 299         .iffreq= 44000000,
 300         .initdata = tua603x_agc103,
 301         .count = 3,
 302         .entries = {
 303                 {  165000000, 62500, 0xce, 0x01 },
 304                 {  450000000, 62500, 0xce, 0x02 },
 305                 {  999999999, 62500, 0xce, 0x04 },
 306         },
 307 };
 308
 309 /* Philips FMD1216ME
 310  * used in Medion Hybrid PCMCIA card and USB Box
 311  */
 312 static void fmd1216me_bw(struct dvb_frontend *fe, u8 *buf,
 313                          const struct dvb_frontend_parameters *params)
 314 {
 315         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ &&
 316             params->frequency >= 158870000)
 317                 buf[3] |= 0x08;
 318 }
 319
 320 static struct dvb_pll_desc dvb_pll_fmd1216me = {
 321         .name = "Philips FMD1216ME",
 322         .min = 50870000,
 323         .max = 858000000,
 324         .iffreq= 36125000,
 325         .set   = fmd1216me_bw,
 326         .initdata = tua603x_agc112,
 327         .sleepdata = (u8[]){ 4, 0x9c, 0x60, 0x85, 0x54 },
 328         .count = 7,
 329         .entries = {
 330                 { 143870000, 166667, 0xbc, 0x41 },
 331                 { 158870000, 166667, 0xf4, 0x41 },
 332                 { 329870000, 166667, 0xbc, 0x42 },
 333                 { 441870000, 166667, 0xf4, 0x42 },
 334                 { 625870000, 166667, 0xbc, 0x44 },
 335                 { 803870000, 166667, 0xf4, 0x44 },
 336                 { 999999999, 166667, 0xfc, 0x44 },
 337         }
 338 };
 339
 340 /* ALPS TDED4
 341  * used in Nebula-Cards and USB boxes
 342  */
 343 static void tded4_bw(struct dvb_frontend *fe, u8 *buf,
 344                      const struct dvb_frontend_parameters *params)
 345 {
 346         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
 347                 buf[3] |= 0x04;
 348 }
 349
 350 static struct dvb_pll_desc dvb_pll_tded4 = {
 351         .name = "ALPS TDED4",
 352         .min = 47000000,
 353         .max = 863000000,
 354         .iffreq= 36166667,
 355         .set   = tded4_bw,
 356         .count = 4,
 357         .entries = {
 358                 { 153000000, 166667, 0x85, 0x01 },
 359                 { 470000000, 166667, 0x85, 0x02 },
 360                 { 823000000, 166667, 0x85, 0x08 },
 361                 { 999999999, 166667, 0x85, 0x88 },
 362         }
 363 };
 364
 365 /* ALPS TDHU2
 366  * used in AverTVHD MCE A180
 367  */
 368 static struct dvb_pll_desc dvb_pll_tdhu2 = {
 369         .name = "ALPS TDHU2",
 370         .min = 54000000,
 371         .max = 864000000,
 372         .iffreq= 44000000,
 373         .count = 4,
 374         .entries = {
 375                 { 162000000, 62500, 0x85, 0x01 },
 376                 { 426000000, 62500, 0x85, 0x02 },
 377                 { 782000000, 62500, 0x85, 0x08 },
 378                 { 999999999, 62500, 0x85, 0x88 },
 379         }
 380 };
 381
 382 /* Philips TUV1236D
 383  * used in ATI HDTV Wonder
 384  */
 385 static void tuv1236d_rf(struct dvb_frontend *fe, u8 *buf,
 386                         const struct dvb_frontend_parameters *params)
 387 {
 388         struct dvb_pll_priv *priv = fe->tuner_priv;
 389         unsigned int new_rf = input[priv->nr];
 390
 391         if ((new_rf == 0) || (new_rf > 2)) {
 392                 switch (params->u.vsb.modulation) {
 393                         case QAM_64:
 394                         case QAM_256:
 395                                 new_rf = 1;
 396                                 break;
 397                         case VSB_8:
 398                         default:
 399                                 new_rf = 2;
 400                 }
 401         }
 402
 403         switch (new_rf) {
 404                 case 1:
 405                         buf[3] |= 0x08;
 406                         break;
 407                 case 2:
 408                         buf[3] &= ~0x08;
 409                         break;
 410                 default:
 411                         printk(KERN_WARNING
 412                                "%s: unhandled rf input selection: %d",
 413                                __FUNCTION__, new_rf);
 414         }
 415 }
 416
 417 static struct dvb_pll_desc dvb_pll_tuv1236d = {
 418         .name  = "Philips TUV1236D",
 419         .min   =  54000000,
 420         .max   = 864000000,
 421         .iffreq= 44000000,
 422         .set   = tuv1236d_rf,
 423         .count = 3,
 424         .entries = {
 425                 { 157250000, 62500, 0xc6, 0x41 },
 426                 { 454000000, 62500, 0xc6, 0x42 },
 427                 { 999999999, 62500, 0xc6, 0x44 },
 428         },
 429 };
 430
 431 /* Samsung TBMV30111IN / TBMV30712IN1
 432  * used in Air2PC ATSC - 2nd generation (nxt2002)
 433  */
 434 static struct dvb_pll_desc dvb_pll_samsung_tbmv = {
 435         .name = "Samsung TBMV30111IN / TBMV30712IN1",
 436         .min = 54000000,
 437         .max = 860000000,
 438         .iffreq= 44000000,
 439         .count = 6,
 440         .entries = {
 441                 { 172000000, 166667, 0xb4, 0x01 },
 442                 { 214000000, 166667, 0xb4, 0x02 },
 443                 { 467000000, 166667, 0xbc, 0x02 },
 444                 { 721000000, 166667, 0xbc, 0x08 },
 445                 { 841000000, 166667, 0xf4, 0x08 },
 446                 { 999999999, 166667, 0xfc, 0x02 },
 447         }
 448 };
 449
 450 /*
 451  * Philips SD1878 Tuner.
 452  */
 453 static struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = {
 454         .name  = "Philips SD1878",
 455         .min   =  950000,
 456         .max   = 2150000,
 457         .iffreq= 249, /* zero-IF, offset 249 is to round up */
 458         .count = 4,
 459         .entries = {
 460                 { 1250000, 500, 0xc4, 0x00},
 461                 { 1550000, 500, 0xc4, 0x40},
 462                 { 2050000, 500, 0xc4, 0x80},
 463                 { 2150000, 500, 0xc4, 0xc0},
 464         },
 465 };
 466
 467 /*
 468  * Philips TD1316 Tuner.
 469  */
 470 static void td1316_bw(struct dvb_frontend *fe, u8 *buf,
 471                       const struct dvb_frontend_parameters *params)
 472 {
 473         u8 band;
 474
 475         /* determine band */
 476         if (params->frequency < 161000000)
 477                 band = 1;
 478         else if (params->frequency < 444000000)
 479                 band = 2;
 480         else
 481                 band = 4;
 482
 483         buf[3] |= band;
 484
 485         /* setup PLL filter */
 486         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
 487                 buf[3] |= 1 << 3;
 488 }
 489
 490 static struct dvb_pll_desc dvb_pll_philips_td1316 = {
 491         .name  = "Philips TD1316",
 492         .min   =  87000000,
 493         .max   = 895000000,
 494         .iffreq= 36166667,
 495         .set   = td1316_bw,
 496         .count = 9,
 497         .entries = {
 498                 {  93834000, 166667, 0xca, 0x60},
 499                 { 123834000, 166667, 0xca, 0xa0},
 500                 { 163834000, 166667, 0xca, 0xc0},
 501                 { 253834000, 166667, 0xca, 0x60},
 502                 { 383834000, 166667, 0xca, 0xa0},
 503                 { 443834000, 166667, 0xca, 0xc0},
 504                 { 583834000, 166667, 0xca, 0x60},
 505                 { 793834000, 166667, 0xca, 0xa0},
 506                 { 858834000, 166667, 0xca, 0xe0},
 507         },
 508 };
 509
 510 /* FE6600 used on DViCO Hybrid */
 511 static struct dvb_pll_desc dvb_pll_thomson_fe6600 = {
 512         .name = "Thomson FE6600",
 513         .min =  44250000,
 514         .max = 858000000,
 515         .iffreq= 36125000,
 516         .count = 4,
 517         .entries = {
 518                 { 250000000, 166667, 0xb4, 0x12 },
 519                 { 455000000, 166667, 0xfe, 0x11 },
 520                 { 775500000, 166667, 0xbc, 0x18 },
 521                 { 999999999, 166667, 0xf4, 0x18 },
 522         }
 523 };
 524
 525 static void opera1_bw(struct dvb_frontend *fe, u8 *buf,
 526                       const struct dvb_frontend_parameters *params)
 527 {
 528         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
 529                 buf[2] |= 0x08;
 530 }
 531
 532 static struct dvb_pll_desc dvb_pll_opera1 = {
 533         .name  = "Opera Tuner",
 534         .min   =  900000,
 535         .max   = 2250000,
 536         .iffreq= 0,
 537         .set   = opera1_bw,
 538         .count = 8,
 539         .entries = {
 540                 { 1064000, 500, 0xe5, 0xc6 },
 541                 { 1169000, 500, 0xe5, 0xe6 },
 542                 { 1299000, 500, 0xe5, 0x24 },
 543                 { 1444000, 500, 0xe5, 0x44 },
 544                 { 1606000, 500, 0xe5, 0x64 },
 545                 { 1777000, 500, 0xe5, 0x84 },
 546                 { 1941000, 500, 0xe5, 0xa4 },
 547                 { 2250000, 500, 0xe5, 0xc4 },
 548         }
 549 };
 550
 551 /* Philips FCV1236D
 552  */
 553 static struct dvb_pll_desc dvb_pll_fcv1236d = {
 554 /* Bit_0: RF Input select
 555  * Bit_1: 0=digital, 1=analog
 556  */
 557         .name  = "Philips FCV1236D",
 558         .min   =  53000000,
 559         .max   = 803000000,
 560         .iffreq= 44000000,
 561         .count = 3,
 562         .entries = {
 563                 { 159000000, 62500, 0x8e, 0xa0 },
 564                 { 453000000, 62500, 0x8e, 0x90 },
 565                 { 999999999, 62500, 0x8e, 0x30 },
 566         },
 567 };
 568
 569 /* ----------------------------------------------------------- */
 570
 571 static struct dvb_pll_desc *pll_list[] = {
 572         [DVB_PLL_UNDEFINED]              = NULL,
 573         [DVB_PLL_THOMSON_DTT7579]        = &dvb_pll_thomson_dtt7579,
 574         [DVB_PLL_THOMSON_DTT759X]        = &dvb_pll_thomson_dtt759x,
 575         [DVB_PLL_LG_Z201]                = &dvb_pll_lg_z201,
 576         [DVB_PLL_MICROTUNE_4042]         = &dvb_pll_microtune_4042,
 577         [DVB_PLL_THOMSON_DTT761X]        = &dvb_pll_thomson_dtt761x,
 578         [DVB_PLL_UNKNOWN_1]              = &dvb_pll_unknown_1,
 579         [DVB_PLL_TUA6010XS]              = &dvb_pll_tua6010xs,
 580         [DVB_PLL_ENV57H1XD5]             = &dvb_pll_env57h1xd5,
 581         [DVB_PLL_TUA6034]                = &dvb_pll_tua6034,
 582         [DVB_PLL_LG_TDVS_H06XF]          = &dvb_pll_lg_tdvs_h06xf,
 583         [DVB_PLL_TDA665X]                = &dvb_pll_tda665x,
 584         [DVB_PLL_FMD1216ME]              = &dvb_pll_fmd1216me,
 585         [DVB_PLL_TDED4]                  = &dvb_pll_tded4,
 586         [DVB_PLL_TUV1236D]               = &dvb_pll_tuv1236d,
 587         [DVB_PLL_TDHU2]                  = &dvb_pll_tdhu2,
 588         [DVB_PLL_SAMSUNG_TBMV]           = &dvb_pll_samsung_tbmv,
 589         [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261,
 590         [DVB_PLL_PHILIPS_TD1316]         = &dvb_pll_philips_td1316,
 591         [DVB_PLL_THOMSON_FE6600]         = &dvb_pll_thomson_fe6600,
 592         [DVB_PLL_OPERA1]                 = &dvb_pll_opera1,
 593         [DVB_PLL_FCV1236D]               = &dvb_pll_fcv1236d,
 594 };
 595
 596 /* ----------------------------------------------------------- */
 597 /* code                                                        */
 598
 599 static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf,
 600                              const struct dvb_frontend_parameters *params)
 601 {
 602         struct dvb_pll_priv *priv = fe->tuner_priv;
 603         struct dvb_pll_desc *desc = priv->pll_desc;
 604         u32 div;
 605         int i;
 606
 607         if (params->frequency != 0 && (params->frequency < desc->min ||
 608                                        params->frequency > desc->max))
 609                 return -EINVAL;
 610
 611         for (i = 0; i < desc->count; i++) {
 612                 if (params->frequency > desc->entries[i].limit)
 613                         continue;
 614                 break;
 615         }
 616
 617         if (debug)
 618                 printk("pll: %s: freq=%d | i=%d/%d\n", desc->name,
 619                        params->frequency, i, desc->count);
 620         if (i == desc->count)
 621                 return -EINVAL;
 622
 623         div = (params->frequency + desc->iffreq +
 624                desc->entries[i].stepsize/2) / desc->entries[i].stepsize;
 625         buf[0] = div >> 8;
 626         buf[1] = div & 0xff;
 627         buf[2] = desc->entries[i].config;
 628         buf[3] = desc->entries[i].cb;
 629
 630         if (desc->set)
 631                 desc->set(fe, buf, params);
 632
 633         if (debug)
 634                 printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
 635                        desc->name, div, buf[0], buf[1], buf[2], buf[3]);
 636
 637         // calculate the frequency we set it to
 638         return (div * desc->entries[i].stepsize) - desc->iffreq;
 639 }
 640
 641 static int dvb_pll_release(struct dvb_frontend *fe)
 642 {
 643         kfree(fe->tuner_priv);
 644         fe->tuner_priv = NULL;
 645         return 0;
 646 }
 647
 648 static int dvb_pll_sleep(struct dvb_frontend *fe)
 649 {
 650         struct dvb_pll_priv *priv = fe->tuner_priv;
 651
 652         if (priv->i2c == NULL)
 653                 return -EINVAL;
 654
 655         if (priv->pll_desc->sleepdata) {
 656                 struct i2c_msg msg = { .flags = 0,
 657                         .addr = priv->pll_i2c_address,
 658                         .buf = priv->pll_desc->sleepdata + 1,
 659                         .len = priv->pll_desc->sleepdata[0] };
 660
 661                 int result;
 662
 663                 if (fe->ops.i2c_gate_ctrl)
 664                         fe->ops.i2c_gate_ctrl(fe, 1);
 665                 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
 666                         return result;
 667                 }
 668                 return 0;
 669         }
 670         /* Shouldn't be called when initdata is NULL, maybe BUG()? */
 671         return -EINVAL;
 672 }
 673
 674 static int dvb_pll_set_params(struct dvb_frontend *fe,
 675                               struct dvb_frontend_parameters *params)
 676 {
 677         struct dvb_pll_priv *priv = fe->tuner_priv;
 678         u8 buf[4];
 679         struct i2c_msg msg =
 680                 { .addr = priv->pll_i2c_address, .flags = 0,
 681                   .buf = buf, .len = sizeof(buf) };
 682         int result;
 683         u32 frequency = 0;
 684
 685         if (priv->i2c == NULL)
 686                 return -EINVAL;
 687
 688         if ((result = dvb_pll_configure(fe, buf, params)) < 0)
 689                 return result;
 690         else
 691                 frequency = result;
 692
 693         if (fe->ops.i2c_gate_ctrl)
 694                 fe->ops.i2c_gate_ctrl(fe, 1);
 695         if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
 696                 return result;
 697         }
 698
 699         priv->frequency = frequency;
 700         priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
 701
 702         return 0;
 703 }
 704
 705 static int dvb_pll_calc_regs(struct dvb_frontend *fe,
 706                              struct dvb_frontend_parameters *params,
 707                              u8 *buf, int buf_len)
 708 {
 709         struct dvb_pll_priv *priv = fe->tuner_priv;
 710         int result;
 711         u32 frequency = 0;
 712
 713         if (buf_len < 5)
 714                 return -EINVAL;
 715
 716         if ((result = dvb_pll_configure(fe, buf+1, params)) < 0)
 717                 return result;
 718         else
 719                 frequency = result;
 720
 721         buf[0] = priv->pll_i2c_address;
 722
 723         priv->frequency = frequency;
 724         priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
 725
 726         return 5;
 727 }
 728
 729 static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency)
 730 {
 731         struct dvb_pll_priv *priv = fe->tuner_priv;
 732         *frequency = priv->frequency;
 733         return 0;
 734 }
 735
 736 static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
 737 {
 738         struct dvb_pll_priv *priv = fe->tuner_priv;
 739         *bandwidth = priv->bandwidth;
 740         return 0;
 741 }
 742
 743 static int dvb_pll_init(struct dvb_frontend *fe)
 744 {
 745         struct dvb_pll_priv *priv = fe->tuner_priv;
 746
 747         if (priv->i2c == NULL)
 748                 return -EINVAL;
 749
 750         if (priv->pll_desc->initdata) {
 751                 struct i2c_msg msg = { .flags = 0,
 752                         .addr = priv->pll_i2c_address,
 753                         .buf = priv->pll_desc->initdata + 1,
 754                         .len = priv->pll_desc->initdata[0] };
 755
 756                 int result;
 757                 if (fe->ops.i2c_gate_ctrl)
 758                         fe->ops.i2c_gate_ctrl(fe, 1);
 759                 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
 760                         return result;
 761                 }
 762                 return 0;
 763         }
 764         /* Shouldn't be called when initdata is NULL, maybe BUG()? */
 765         return -EINVAL;
 766 }
 767
 768 static struct dvb_tuner_ops dvb_pll_tuner_ops = {
 769         .release = dvb_pll_release,
 770         .sleep = dvb_pll_sleep,
 771         .init = dvb_pll_init,
 772         .set_params = dvb_pll_set_params,
 773         .calc_regs = dvb_pll_calc_regs,
 774         .get_frequency = dvb_pll_get_frequency,
 775         .get_bandwidth = dvb_pll_get_bandwidth,
 776 };
 777
 778 struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
 779                                     struct i2c_adapter *i2c,
 780                                     unsigned int pll_desc_id)
 781 {
 782         u8 b1 [] = { 0 };
 783         struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD,
 784                                .buf = b1, .len = 1 };
 785         struct dvb_pll_priv *priv = NULL;
 786         int ret;
 787         struct dvb_pll_desc *desc;
 788
 789         if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) &&
 790             (id[dvb_pll_devcount] < ARRAY_SIZE(pll_list)))
 791                 pll_desc_id = id[dvb_pll_devcount];
 792
 793         BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list));
 794
 795         desc = pll_list[pll_desc_id];
 796
 797         if (i2c != NULL) {
 798                 if (fe->ops.i2c_gate_ctrl)
 799                         fe->ops.i2c_gate_ctrl(fe, 1);
 800
 801                 ret = i2c_transfer (i2c, &msg, 1);
 802                 if (ret != 1)
 803                         return NULL;
 804                 if (fe->ops.i2c_gate_ctrl)
 805                              fe->ops.i2c_gate_ctrl(fe, 0);
 806         }
 807
 808         priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL);
 809         if (priv == NULL)
 810                 return NULL;
 811
 812         priv->pll_i2c_address = pll_addr;
 813         priv->i2c = i2c;
 814         priv->pll_desc = desc;
 815         priv->nr = dvb_pll_devcount++;
 816
 817         memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops,
 818                sizeof(struct dvb_tuner_ops));
 819
 820         strncpy(fe->ops.tuner_ops.info.name, desc->name,
 821                 sizeof(fe->ops.tuner_ops.info.name));
 822         fe->ops.tuner_ops.info.frequency_min = desc->min;
 823         fe->ops.tuner_ops.info.frequency_max = desc->max;
 824         if (!desc->initdata)
 825                 fe->ops.tuner_ops.init = NULL;
 826         if (!desc->sleepdata)
 827                 fe->ops.tuner_ops.sleep = NULL;
 828
 829         fe->tuner_priv = priv;
 830
 831         if ((debug) || (id[priv->nr] == pll_desc_id)) {
 832                 printk("dvb-pll[%d]", priv->nr);
 833                 if (i2c != NULL)
 834                         printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr);
 835                 printk(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name,
 836                        id[priv->nr] == pll_desc_id ?
 837                                 "insmod option" : "autodetected");
 838         }
 839         if ((debug) || (input[priv->nr] > 0)) {
 840                 printk("dvb-pll[%d]", priv->nr);
 841                 if (i2c != NULL)
 842                         printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr);
 843                 printk(": tuner rf input will be ");
 844                 switch (input[priv->nr]) {
 845                 case 0:
 846                         printk("autoselected\n");
 847                         break;
 848                 default:
 849                         printk("set to input %d (insmod option)\n",
 850                                input[priv->nr]);
 851                 }
 852         }
 853
 854         return fe;
 855 }
 856 EXPORT_SYMBOL(dvb_pll_attach);
 857
 858 MODULE_DESCRIPTION("dvb pll library");
 859 MODULE_AUTHOR("Gerd Knorr");
 860 MODULE_LICENSE("GPL");