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