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 = 0;
  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 static struct dvb_pll_desc dvb_pll_thomson_dtt7610 = {
 116         .name  = "Thomson dtt7610",
 117         .min   =  44000000,
 118         .max   = 958000000,
 119         .iffreq= 44000000,
 120         .count = 3,
 121         .entries = {
 122                 { 157250000, 62500, 0x8e, 0x39 },
 123                 { 454000000, 62500, 0x8e, 0x3a },
 124                 { 999999999, 62500, 0x8e, 0x3c },
 125         },
 126 };
 127
 128 static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf,
 129                                const struct dvb_frontend_parameters *params)
 130 {
 131         if (BANDWIDTH_7_MHZ == params->u.ofdm.bandwidth)
 132                 buf[3] |= 0x10;
 133 }
 134
 135 static struct dvb_pll_desc dvb_pll_thomson_dtt759x = {
 136         .name  = "Thomson dtt759x",
 137         .min   = 177000000,
 138         .max   = 896000000,
 139         .set   = thomson_dtt759x_bw,
 140         .iffreq= 36166667,
 141         .sleepdata = (u8[]){ 2, 0x84, 0x03 },
 142         .count = 5,
 143         .entries = {
 144                 {  264000000, 166667, 0xb4, 0x02 },
 145                 {  470000000, 166667, 0xbc, 0x02 },
 146                 {  735000000, 166667, 0xbc, 0x08 },
 147                 {  835000000, 166667, 0xf4, 0x08 },
 148                 {  999999999, 166667, 0xfc, 0x08 },
 149         },
 150 };
 151
 152 static struct dvb_pll_desc dvb_pll_lg_z201 = {
 153         .name  = "LG z201",
 154         .min   = 174000000,
 155         .max   = 862000000,
 156         .iffreq= 36166667,
 157         .sleepdata = (u8[]){ 2, 0xbc, 0x03 },
 158         .count = 5,
 159         .entries = {
 160                 {  157500000, 166667, 0xbc, 0x01 },
 161                 {  443250000, 166667, 0xbc, 0x02 },
 162                 {  542000000, 166667, 0xbc, 0x04 },
 163                 {  830000000, 166667, 0xf4, 0x04 },
 164                 {  999999999, 166667, 0xfc, 0x04 },
 165         },
 166 };
 167
 168 static struct dvb_pll_desc dvb_pll_microtune_4042 = {
 169         .name  = "Microtune 4042 FI5",
 170         .min   =  57000000,
 171         .max   = 858000000,
 172         .iffreq= 44000000,
 173         .count = 3,
 174         .entries = {
 175                 { 162000000, 62500, 0x8e, 0xa1 },
 176                 { 457000000, 62500, 0x8e, 0x91 },
 177                 { 999999999, 62500, 0x8e, 0x31 },
 178         },
 179 };
 180
 181 static struct dvb_pll_desc dvb_pll_thomson_dtt761x = {
 182         /* DTT 7611 7611A 7612 7613 7613A 7614 7615 7615A */
 183         .name  = "Thomson dtt761x",
 184         .min   =  57000000,
 185         .max   = 863000000,
 186         .iffreq= 44000000,
 187         .count = 3,
 188         .initdata = tua603x_agc103,
 189         .entries = {
 190                 { 147000000, 62500, 0x8e, 0x39 },
 191                 { 417000000, 62500, 0x8e, 0x3a },
 192                 { 999999999, 62500, 0x8e, 0x3c },
 193         },
 194 };
 195
 196 static struct dvb_pll_desc dvb_pll_unknown_1 = {
 197         .name  = "unknown 1", /* used by dntv live dvb-t */
 198         .min   = 174000000,
 199         .max   = 862000000,
 200         .iffreq= 36166667,
 201         .count = 9,
 202         .entries = {
 203                 {  150000000, 166667, 0xb4, 0x01 },
 204                 {  173000000, 166667, 0xbc, 0x01 },
 205                 {  250000000, 166667, 0xb4, 0x02 },
 206                 {  400000000, 166667, 0xbc, 0x02 },
 207                 {  420000000, 166667, 0xf4, 0x02 },
 208                 {  470000000, 166667, 0xfc, 0x02 },
 209                 {  600000000, 166667, 0xbc, 0x08 },
 210                 {  730000000, 166667, 0xf4, 0x08 },
 211                 {  999999999, 166667, 0xfc, 0x08 },
 212         },
 213 };
 214
 215 /* Infineon TUA6010XS
 216  * used in Thomson Cable Tuner
 217  */
 218 static struct dvb_pll_desc dvb_pll_tua6010xs = {
 219         .name  = "Infineon TUA6010XS",
 220         .min   =  44250000,
 221         .max   = 858000000,
 222         .iffreq= 36125000,
 223         .count = 3,
 224         .entries = {
 225                 {  115750000, 62500, 0x8e, 0x03 },
 226                 {  403250000, 62500, 0x8e, 0x06 },
 227                 {  999999999, 62500, 0x8e, 0x85 },
 228         },
 229 };
 230
 231 /* Panasonic env57h1xd5 (some Philips PLL ?) */
 232 static struct dvb_pll_desc dvb_pll_env57h1xd5 = {
 233         .name  = "Panasonic ENV57H1XD5",
 234         .min   =  44250000,
 235         .max   = 858000000,
 236         .iffreq= 36125000,
 237         .count = 4,
 238         .entries = {
 239                 {  153000000, 166667, 0xc2, 0x41 },
 240                 {  470000000, 166667, 0xc2, 0x42 },
 241                 {  526000000, 166667, 0xc2, 0x84 },
 242                 {  999999999, 166667, 0xc2, 0xa4 },
 243         },
 244 };
 245
 246 /* Philips TDA6650/TDA6651
 247  * used in Panasonic ENV77H11D5
 248  */
 249 static void tda665x_bw(struct dvb_frontend *fe, u8 *buf,
 250                        const struct dvb_frontend_parameters *params)
 251 {
 252         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
 253                 buf[3] |= 0x08;
 254 }
 255
 256 static struct dvb_pll_desc dvb_pll_tda665x = {
 257         .name  = "Philips TDA6650/TDA6651",
 258         .min   =  44250000,
 259         .max   = 858000000,
 260         .set   = tda665x_bw,
 261         .iffreq= 36166667,
 262         .initdata = (u8[]){ 4, 0x0b, 0xf5, 0x85, 0xab },
 263         .count = 12,
 264         .entries = {
 265                 {   93834000, 166667, 0xca, 0x61 /* 011 0 0 0  01 */ },
 266                 {  123834000, 166667, 0xca, 0xa1 /* 101 0 0 0  01 */ },
 267                 {  161000000, 166667, 0xca, 0xa1 /* 101 0 0 0  01 */ },
 268                 {  163834000, 166667, 0xca, 0xc2 /* 110 0 0 0  10 */ },
 269                 {  253834000, 166667, 0xca, 0x62 /* 011 0 0 0  10 */ },
 270                 {  383834000, 166667, 0xca, 0xa2 /* 101 0 0 0  10 */ },
 271                 {  443834000, 166667, 0xca, 0xc2 /* 110 0 0 0  10 */ },
 272                 {  444000000, 166667, 0xca, 0xc4 /* 110 0 0 1  00 */ },
 273                 {  583834000, 166667, 0xca, 0x64 /* 011 0 0 1  00 */ },
 274                 {  793834000, 166667, 0xca, 0xa4 /* 101 0 0 1  00 */ },
 275                 {  444834000, 166667, 0xca, 0xc4 /* 110 0 0 1  00 */ },
 276                 {  861000000, 166667, 0xca, 0xe4 /* 111 0 0 1  00 */ },
 277         }
 278 };
 279
 280 /* Infineon TUA6034
 281  * used in LG TDTP E102P
 282  */
 283 static void tua6034_bw(struct dvb_frontend *fe, u8 *buf,
 284                        const struct dvb_frontend_parameters *params)
 285 {
 286         if (BANDWIDTH_7_MHZ != params->u.ofdm.bandwidth)
 287                 buf[3] |= 0x08;
 288 }
 289
 290 static struct dvb_pll_desc dvb_pll_tua6034 = {
 291         .name  = "Infineon TUA6034",
 292         .min   =  44250000,
 293         .max   = 858000000,
 294         .iffreq= 36166667,
 295         .count = 3,
 296         .set   = tua6034_bw,
 297         .entries = {
 298                 {  174500000, 62500, 0xce, 0x01 },
 299                 {  230000000, 62500, 0xce, 0x02 },
 300                 {  999999999, 62500, 0xce, 0x04 },
 301         },
 302 };
 303
 304 /* Infineon TUA6034
 305  * used in LG TDVS-H061F, LG TDVS-H062F and LG TDVS-H064F
 306  */
 307 static struct dvb_pll_desc dvb_pll_lg_tdvs_h06xf = {
 308         .name  = "LG TDVS-H06xF",
 309         .min   =  54000000,
 310         .max   = 863000000,
 311         .iffreq= 44000000,
 312         .initdata = tua603x_agc103,
 313         .count = 3,
 314         .entries = {
 315                 {  165000000, 62500, 0xce, 0x01 },
 316                 {  450000000, 62500, 0xce, 0x02 },
 317                 {  999999999, 62500, 0xce, 0x04 },
 318         },
 319 };
 320
 321 /* Philips FMD1216ME
 322  * used in Medion Hybrid PCMCIA card and USB Box
 323  */
 324 static void fmd1216me_bw(struct dvb_frontend *fe, u8 *buf,
 325                          const struct dvb_frontend_parameters *params)
 326 {
 327         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ &&
 328             params->frequency >= 158870000)
 329                 buf[3] |= 0x08;
 330 }
 331
 332 static struct dvb_pll_desc dvb_pll_fmd1216me = {
 333         .name = "Philips FMD1216ME",
 334         .min = 50870000,
 335         .max = 858000000,
 336         .iffreq= 36125000,
 337         .set   = fmd1216me_bw,
 338         .initdata = tua603x_agc112,
 339         .sleepdata = (u8[]){ 4, 0x9c, 0x60, 0x85, 0x54 },
 340         .count = 7,
 341         .entries = {
 342                 { 143870000, 166667, 0xbc, 0x41 },
 343                 { 158870000, 166667, 0xf4, 0x41 },
 344                 { 329870000, 166667, 0xbc, 0x42 },
 345                 { 441870000, 166667, 0xf4, 0x42 },
 346                 { 625870000, 166667, 0xbc, 0x44 },
 347                 { 803870000, 166667, 0xf4, 0x44 },
 348                 { 999999999, 166667, 0xfc, 0x44 },
 349         }
 350 };
 351
 352 /* ALPS TDED4
 353  * used in Nebula-Cards and USB boxes
 354  */
 355 static void tded4_bw(struct dvb_frontend *fe, u8 *buf,
 356                      const struct dvb_frontend_parameters *params)
 357 {
 358         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
 359                 buf[3] |= 0x04;
 360 }
 361
 362 static struct dvb_pll_desc dvb_pll_tded4 = {
 363         .name = "ALPS TDED4",
 364         .min = 47000000,
 365         .max = 863000000,
 366         .iffreq= 36166667,
 367         .set   = tded4_bw,
 368         .count = 4,
 369         .entries = {
 370                 { 153000000, 166667, 0x85, 0x01 },
 371                 { 470000000, 166667, 0x85, 0x02 },
 372                 { 823000000, 166667, 0x85, 0x08 },
 373                 { 999999999, 166667, 0x85, 0x88 },
 374         }
 375 };
 376
 377 /* ALPS TDHU2
 378  * used in AverTVHD MCE A180
 379  */
 380 static struct dvb_pll_desc dvb_pll_tdhu2 = {
 381         .name = "ALPS TDHU2",
 382         .min = 54000000,
 383         .max = 864000000,
 384         .iffreq= 44000000,
 385         .count = 4,
 386         .entries = {
 387                 { 162000000, 62500, 0x85, 0x01 },
 388                 { 426000000, 62500, 0x85, 0x02 },
 389                 { 782000000, 62500, 0x85, 0x08 },
 390                 { 999999999, 62500, 0x85, 0x88 },
 391         }
 392 };
 393
 394 /* Philips TUV1236D
 395  * used in ATI HDTV Wonder
 396  */
 397 static void tuv1236d_rf(struct dvb_frontend *fe, u8 *buf,
 398                         const struct dvb_frontend_parameters *params)
 399 {
 400         struct dvb_pll_priv *priv = fe->tuner_priv;
 401         unsigned int new_rf = input[priv->nr];
 402
 403         if ((new_rf == 0) || (new_rf > 2)) {
 404                 switch (params->u.vsb.modulation) {
 405                         case QAM_64:
 406                         case QAM_256:
 407                                 new_rf = 1;
 408                                 break;
 409                         case VSB_8:
 410                         default:
 411                                 new_rf = 2;
 412                 }
 413         }
 414
 415         switch (new_rf) {
 416                 case 1:
 417                         buf[3] |= 0x08;
 418                         break;
 419                 case 2:
 420                         buf[3] &= ~0x08;
 421                         break;
 422                 default:
 423                         printk(KERN_WARNING
 424                                "%s: unhandled rf input selection: %d",
 425                                __FUNCTION__, new_rf);
 426         }
 427 }
 428
 429 static struct dvb_pll_desc dvb_pll_tuv1236d = {
 430         .name  = "Philips TUV1236D",
 431         .min   =  54000000,
 432         .max   = 864000000,
 433         .iffreq= 44000000,
 434         .set   = tuv1236d_rf,
 435         .count = 3,
 436         .entries = {
 437                 { 157250000, 62500, 0xc6, 0x41 },
 438                 { 454000000, 62500, 0xc6, 0x42 },
 439                 { 999999999, 62500, 0xc6, 0x44 },
 440         },
 441 };
 442
 443 /* Samsung TBMV30111IN / TBMV30712IN1
 444  * used in Air2PC ATSC - 2nd generation (nxt2002)
 445  */
 446 static struct dvb_pll_desc dvb_pll_samsung_tbmv = {
 447         .name = "Samsung TBMV30111IN / TBMV30712IN1",
 448         .min = 54000000,
 449         .max = 860000000,
 450         .iffreq= 44000000,
 451         .count = 6,
 452         .entries = {
 453                 { 172000000, 166667, 0xb4, 0x01 },
 454                 { 214000000, 166667, 0xb4, 0x02 },
 455                 { 467000000, 166667, 0xbc, 0x02 },
 456                 { 721000000, 166667, 0xbc, 0x08 },
 457                 { 841000000, 166667, 0xf4, 0x08 },
 458                 { 999999999, 166667, 0xfc, 0x02 },
 459         }
 460 };
 461
 462 /*
 463  * Philips SD1878 Tuner.
 464  */
 465 static struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = {
 466         .name  = "Philips SD1878",
 467         .min   =  950000,
 468         .max   = 2150000,
 469         .iffreq= 249, /* zero-IF, offset 249 is to round up */
 470         .count = 4,
 471         .entries = {
 472                 { 1250000, 500, 0xc4, 0x00},
 473                 { 1550000, 500, 0xc4, 0x40},
 474                 { 2050000, 500, 0xc4, 0x80},
 475                 { 2150000, 500, 0xc4, 0xc0},
 476         },
 477 };
 478
 479 /*
 480  * Philips TD1316 Tuner.
 481  */
 482 static void td1316_bw(struct dvb_frontend *fe, u8 *buf,
 483                       const struct dvb_frontend_parameters *params)
 484 {
 485         u8 band;
 486
 487         /* determine band */
 488         if (params->frequency < 161000000)
 489                 band = 1;
 490         else if (params->frequency < 444000000)
 491                 band = 2;
 492         else
 493                 band = 4;
 494
 495         buf[3] |= band;
 496
 497         /* setup PLL filter */
 498         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
 499                 buf[3] |= 1 << 3;
 500 }
 501
 502 static struct dvb_pll_desc dvb_pll_philips_td1316 = {
 503         .name  = "Philips TD1316",
 504         .min   =  87000000,
 505         .max   = 895000000,
 506         .iffreq= 36166667,
 507         .set   = td1316_bw,
 508         .count = 9,
 509         .entries = {
 510                 {  93834000, 166667, 0xca, 0x60},
 511                 { 123834000, 166667, 0xca, 0xa0},
 512                 { 163834000, 166667, 0xca, 0xc0},
 513                 { 253834000, 166667, 0xca, 0x60},
 514                 { 383834000, 166667, 0xca, 0xa0},
 515                 { 443834000, 166667, 0xca, 0xc0},
 516                 { 583834000, 166667, 0xca, 0x60},
 517                 { 793834000, 166667, 0xca, 0xa0},
 518                 { 858834000, 166667, 0xca, 0xe0},
 519         },
 520 };
 521
 522 /* FE6600 used on DViCO Hybrid */
 523 static struct dvb_pll_desc dvb_pll_thomson_fe6600 = {
 524         .name = "Thomson FE6600",
 525         .min =  44250000,
 526         .max = 858000000,
 527         .iffreq= 36125000,
 528         .count = 4,
 529         .entries = {
 530                 { 250000000, 166667, 0xb4, 0x12 },
 531                 { 455000000, 166667, 0xfe, 0x11 },
 532                 { 775500000, 166667, 0xbc, 0x18 },
 533                 { 999999999, 166667, 0xf4, 0x18 },
 534         }
 535 };
 536
 537 static void opera1_bw(struct dvb_frontend *fe, u8 *buf,
 538                       const struct dvb_frontend_parameters *params)
 539 {
 540         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
 541                 buf[2] |= 0x08;
 542 }
 543
 544 static struct dvb_pll_desc dvb_pll_opera1 = {
 545         .name  = "Opera Tuner",
 546         .min   =  900000,
 547         .max   = 2250000,
 548         .iffreq= 0,
 549         .set   = opera1_bw,
 550         .count = 8,
 551         .entries = {
 552                 { 1064000, 500, 0xe5, 0xc6 },
 553                 { 1169000, 500, 0xe5, 0xe6 },
 554                 { 1299000, 500, 0xe5, 0x24 },
 555                 { 1444000, 500, 0xe5, 0x44 },
 556                 { 1606000, 500, 0xe5, 0x64 },
 557                 { 1777000, 500, 0xe5, 0x84 },
 558                 { 1941000, 500, 0xe5, 0xa4 },
 559                 { 2250000, 500, 0xe5, 0xc4 },
 560         }
 561 };
 562
 563 /* Philips FCV1236D
 564  */
 565 static struct dvb_pll_desc dvb_pll_fcv1236d = {
 566 /* Bit_0: RF Input select
 567  * Bit_1: 0=digital, 1=analog
 568  */
 569         .name  = "Philips FCV1236D",
 570         .min   =  53000000,
 571         .max   = 803000000,
 572         .iffreq= 44000000,
 573         .count = 3,
 574         .entries = {
 575                 { 159000000, 62500, 0x8e, 0xa0 },
 576                 { 453000000, 62500, 0x8e, 0x90 },
 577                 { 999999999, 62500, 0x8e, 0x30 },
 578         },
 579 };
 580
 581 /* ----------------------------------------------------------- */
 582
 583 static struct dvb_pll_desc *pll_list[] = {
 584         [DVB_PLL_UNDEFINED]              = NULL,
 585         [DVB_PLL_THOMSON_DTT7579]        = &dvb_pll_thomson_dtt7579,
 586         [DVB_PLL_THOMSON_DTT759X]        = &dvb_pll_thomson_dtt759x,
 587         [DVB_PLL_THOMSON_DTT7610]        = &dvb_pll_thomson_dtt7610,
 588         [DVB_PLL_LG_Z201]                = &dvb_pll_lg_z201,
 589         [DVB_PLL_MICROTUNE_4042]         = &dvb_pll_microtune_4042,
 590         [DVB_PLL_THOMSON_DTT761X]        = &dvb_pll_thomson_dtt761x,
 591         [DVB_PLL_UNKNOWN_1]              = &dvb_pll_unknown_1,
 592         [DVB_PLL_TUA6010XS]              = &dvb_pll_tua6010xs,
 593         [DVB_PLL_ENV57H1XD5]             = &dvb_pll_env57h1xd5,
 594         [DVB_PLL_TUA6034]                = &dvb_pll_tua6034,
 595         [DVB_PLL_LG_TDVS_H06XF]          = &dvb_pll_lg_tdvs_h06xf,
 596         [DVB_PLL_TDA665X]                = &dvb_pll_tda665x,
 597         [DVB_PLL_FMD1216ME]              = &dvb_pll_fmd1216me,
 598         [DVB_PLL_TDED4]                  = &dvb_pll_tded4,
 599         [DVB_PLL_TUV1236D]               = &dvb_pll_tuv1236d,
 600         [DVB_PLL_TDHU2]                  = &dvb_pll_tdhu2,
 601         [DVB_PLL_SAMSUNG_TBMV]           = &dvb_pll_samsung_tbmv,
 602         [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261,
 603         [DVB_PLL_PHILIPS_TD1316]         = &dvb_pll_philips_td1316,
 604         [DVB_PLL_THOMSON_FE6600]         = &dvb_pll_thomson_fe6600,
 605         [DVB_PLL_OPERA1]                 = &dvb_pll_opera1,
 606         [DVB_PLL_FCV1236D]               = &dvb_pll_fcv1236d,
 607 };
 608
 609 /* ----------------------------------------------------------- */
 610 /* code                                                        */
 611
 612 static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf,
 613                              const struct dvb_frontend_parameters *params)
 614 {
 615         struct dvb_pll_priv *priv = fe->tuner_priv;
 616         struct dvb_pll_desc *desc = priv->pll_desc;
 617         u32 div;
 618         int i;
 619
 620         if (params->frequency != 0 && (params->frequency < desc->min ||
 621                                        params->frequency > desc->max))
 622                 return -EINVAL;
 623
 624         for (i = 0; i < desc->count; i++) {
 625                 if (params->frequency > desc->entries[i].limit)
 626                         continue;
 627                 break;
 628         }
 629
 630         if (debug)
 631                 printk("pll: %s: freq=%d | i=%d/%d\n", desc->name,
 632                        params->frequency, i, desc->count);
 633         if (i == desc->count)
 634                 return -EINVAL;
 635
 636         div = (params->frequency + desc->iffreq +
 637                desc->entries[i].stepsize/2) / desc->entries[i].stepsize;
 638         buf[0] = div >> 8;
 639         buf[1] = div & 0xff;
 640         buf[2] = desc->entries[i].config;
 641         buf[3] = desc->entries[i].cb;
 642
 643         if (desc->set)
 644                 desc->set(fe, buf, params);
 645
 646         if (debug)
 647                 printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
 648                        desc->name, div, buf[0], buf[1], buf[2], buf[3]);
 649
 650         // calculate the frequency we set it to
 651         return (div * desc->entries[i].stepsize) - desc->iffreq;
 652 }
 653
 654 static int dvb_pll_release(struct dvb_frontend *fe)
 655 {
 656         kfree(fe->tuner_priv);
 657         fe->tuner_priv = NULL;
 658         return 0;
 659 }
 660
 661 static int dvb_pll_sleep(struct dvb_frontend *fe)
 662 {
 663         struct dvb_pll_priv *priv = fe->tuner_priv;
 664
 665         if (priv->i2c == NULL)
 666                 return -EINVAL;
 667
 668         if (priv->pll_desc->sleepdata) {
 669                 struct i2c_msg msg = { .flags = 0,
 670                         .addr = priv->pll_i2c_address,
 671                         .buf = priv->pll_desc->sleepdata + 1,
 672                         .len = priv->pll_desc->sleepdata[0] };
 673
 674                 int result;
 675
 676                 if (fe->ops.i2c_gate_ctrl)
 677                         fe->ops.i2c_gate_ctrl(fe, 1);
 678                 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
 679                         return result;
 680                 }
 681                 return 0;
 682         }
 683         /* Shouldn't be called when initdata is NULL, maybe BUG()? */
 684         return -EINVAL;
 685 }
 686
 687 static int dvb_pll_set_params(struct dvb_frontend *fe,
 688                               struct dvb_frontend_parameters *params)
 689 {
 690         struct dvb_pll_priv *priv = fe->tuner_priv;
 691         u8 buf[4];
 692         struct i2c_msg msg =
 693                 { .addr = priv->pll_i2c_address, .flags = 0,
 694                   .buf = buf, .len = sizeof(buf) };
 695         int result;
 696         u32 frequency = 0;
 697
 698         if (priv->i2c == NULL)
 699                 return -EINVAL;
 700
 701         if ((result = dvb_pll_configure(fe, buf, params)) < 0)
 702                 return result;
 703         else
 704                 frequency = result;
 705
 706         if (fe->ops.i2c_gate_ctrl)
 707                 fe->ops.i2c_gate_ctrl(fe, 1);
 708         if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
 709                 return result;
 710         }
 711
 712         priv->frequency = frequency;
 713         priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
 714
 715         return 0;
 716 }
 717
 718 static int dvb_pll_calc_regs(struct dvb_frontend *fe,
 719                              struct dvb_frontend_parameters *params,
 720                              u8 *buf, int buf_len)
 721 {
 722         struct dvb_pll_priv *priv = fe->tuner_priv;
 723         int result;
 724         u32 frequency = 0;
 725
 726         if (buf_len < 5)
 727                 return -EINVAL;
 728
 729         if ((result = dvb_pll_configure(fe, buf+1, params)) < 0)
 730                 return result;
 731         else
 732                 frequency = result;
 733
 734         buf[0] = priv->pll_i2c_address;
 735
 736         priv->frequency = frequency;
 737         priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
 738
 739         return 5;
 740 }
 741
 742 static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency)
 743 {
 744         struct dvb_pll_priv *priv = fe->tuner_priv;
 745         *frequency = priv->frequency;
 746         return 0;
 747 }
 748
 749 static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
 750 {
 751         struct dvb_pll_priv *priv = fe->tuner_priv;
 752         *bandwidth = priv->bandwidth;
 753         return 0;
 754 }
 755
 756 static int dvb_pll_init(struct dvb_frontend *fe)
 757 {
 758         struct dvb_pll_priv *priv = fe->tuner_priv;
 759
 760         if (priv->i2c == NULL)
 761                 return -EINVAL;
 762
 763         if (priv->pll_desc->initdata) {
 764                 struct i2c_msg msg = { .flags = 0,
 765                         .addr = priv->pll_i2c_address,
 766                         .buf = priv->pll_desc->initdata + 1,
 767                         .len = priv->pll_desc->initdata[0] };
 768
 769                 int result;
 770                 if (fe->ops.i2c_gate_ctrl)
 771                         fe->ops.i2c_gate_ctrl(fe, 1);
 772                 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
 773                         return result;
 774                 }
 775                 return 0;
 776         }
 777         /* Shouldn't be called when initdata is NULL, maybe BUG()? */
 778         return -EINVAL;
 779 }
 780
 781 static struct dvb_tuner_ops dvb_pll_tuner_ops = {
 782         .release = dvb_pll_release,
 783         .sleep = dvb_pll_sleep,
 784         .init = dvb_pll_init,
 785         .set_params = dvb_pll_set_params,
 786         .calc_regs = dvb_pll_calc_regs,
 787         .get_frequency = dvb_pll_get_frequency,
 788         .get_bandwidth = dvb_pll_get_bandwidth,
 789 };
 790
 791 struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
 792                                     struct i2c_adapter *i2c,
 793                                     unsigned int pll_desc_id)
 794 {
 795         u8 b1 [] = { 0 };
 796         struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD,
 797                                .buf = b1, .len = 1 };
 798         struct dvb_pll_priv *priv = NULL;
 799         int ret;
 800         struct dvb_pll_desc *desc;
 801
 802         if ((id[dvb_pll_devcount] > DVB_PLL_UNDEFINED) &&
 803             (id[dvb_pll_devcount] < ARRAY_SIZE(pll_list)))
 804                 pll_desc_id = id[dvb_pll_devcount];
 805
 806         BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list));
 807
 808         desc = pll_list[pll_desc_id];
 809
 810         if (i2c != NULL) {
 811                 if (fe->ops.i2c_gate_ctrl)
 812                         fe->ops.i2c_gate_ctrl(fe, 1);
 813
 814                 ret = i2c_transfer (i2c, &msg, 1);
 815                 if (ret != 1)
 816                         return NULL;
 817                 if (fe->ops.i2c_gate_ctrl)
 818                              fe->ops.i2c_gate_ctrl(fe, 0);
 819         }
 820
 821         priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL);
 822         if (priv == NULL)
 823                 return NULL;
 824
 825         priv->pll_i2c_address = pll_addr;
 826         priv->i2c = i2c;
 827         priv->pll_desc = desc;
 828         priv->nr = dvb_pll_devcount++;
 829
 830         memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops,
 831                sizeof(struct dvb_tuner_ops));
 832
 833         strncpy(fe->ops.tuner_ops.info.name, desc->name,
 834                 sizeof(fe->ops.tuner_ops.info.name));
 835         fe->ops.tuner_ops.info.frequency_min = desc->min;
 836         fe->ops.tuner_ops.info.frequency_max = desc->max;
 837         if (!desc->initdata)
 838                 fe->ops.tuner_ops.init = NULL;
 839         if (!desc->sleepdata)
 840                 fe->ops.tuner_ops.sleep = NULL;
 841
 842         fe->tuner_priv = priv;
 843
 844         if (debug) {
 845                 printk("dvb-pll[%d]", priv->nr);
 846                 if (i2c != NULL)
 847                         printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr);
 848                 printk(": id# %d (%s) attached, %s\n", pll_desc_id, desc->name,
 849                        id[priv->nr] == pll_desc_id ?
 850                                 "insmod option" : "autodetected");
 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");