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 16
  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 /* ----------------------------------------------------------- */
  56
  57 struct dvb_pll_desc {
  58         char *name;
  59         u32  min;
  60         u32  max;
  61         u32  iffreq;
  62         void (*set)(struct dvb_frontend *fe, u8 *buf,
  63                     const struct dvb_frontend_parameters *params);
  64         u8   *initdata;
  65         u8   *sleepdata;
  66         int  count;
  67         struct {
  68                 u32 limit;
  69                 u32 stepsize;
  70                 u8  config;
  71                 u8  cb;
  72         } entries[12];
  73 };
  74
  75 /* ----------------------------------------------------------- */
  76 /* descriptions                                                */
  77
  78 /* Set AGC TOP value to 103 dBuV:
  79         0x80 = Control Byte
  80         0x40 = 250 uA charge pump (irrelevant)
  81         0x18 = Aux Byte to follow
  82         0x06 = 64.5 kHz divider (irrelevant)
  83         0x01 = Disable Vt (aka sleep)
  84
  85         0x00 = AGC Time constant 2s Iagc = 300 nA (vs 0x80 = 9 nA)
  86         0x50 = AGC Take over point = 103 dBuV */
  87 static u8 tua603x_agc103[] = { 2, 0x80|0x40|0x18|0x06|0x01, 0x00|0x50 };
  88
  89 /*      0x04 = 166.67 kHz divider
  90
  91         0x80 = AGC Time constant 50ms Iagc = 9 uA
  92         0x20 = AGC Take over point = 112 dBuV */
  93 static u8 tua603x_agc112[] = { 2, 0x80|0x40|0x18|0x04|0x01, 0x80|0x20 };
  94
  95 static struct dvb_pll_desc dvb_pll_thomson_dtt7579 = {
  96         .name  = "Thomson dtt7579",
  97         .min   = 177000000,
  98         .max   = 858000000,
  99         .iffreq= 36166667,
 100         .sleepdata = (u8[]){ 2, 0xb4, 0x03 },
 101         .count = 4,
 102         .entries = {
 103                 {  443250000, 166667, 0xb4, 0x02 },
 104                 {  542000000, 166667, 0xb4, 0x08 },
 105                 {  771000000, 166667, 0xbc, 0x08 },
 106                 {  999999999, 166667, 0xf4, 0x08 },
 107         },
 108 };
 109
 110 static struct dvb_pll_desc dvb_pll_thomson_dtt7610 = {
 111         .name  = "Thomson dtt7610",
 112         .min   =  44000000,
 113         .max   = 958000000,
 114         .iffreq= 44000000,
 115         .count = 3,
 116         .entries = {
 117                 { 157250000, 62500, 0x8e, 0x39 },
 118                 { 454000000, 62500, 0x8e, 0x3a },
 119                 { 999999999, 62500, 0x8e, 0x3c },
 120         },
 121 };
 122
 123 static void thomson_dtt759x_bw(struct dvb_frontend *fe, u8 *buf,
 124                                const struct dvb_frontend_parameters *params)
 125 {
 126         if (BANDWIDTH_7_MHZ == params->u.ofdm.bandwidth)
 127                 buf[3] |= 0x10;
 128 }
 129
 130 static struct dvb_pll_desc dvb_pll_thomson_dtt759x = {
 131         .name  = "Thomson dtt759x",
 132         .min   = 177000000,
 133         .max   = 896000000,
 134         .set   = thomson_dtt759x_bw,
 135         .iffreq= 36166667,
 136         .sleepdata = (u8[]){ 2, 0x84, 0x03 },
 137         .count = 5,
 138         .entries = {
 139                 {  264000000, 166667, 0xb4, 0x02 },
 140                 {  470000000, 166667, 0xbc, 0x02 },
 141                 {  735000000, 166667, 0xbc, 0x08 },
 142                 {  835000000, 166667, 0xf4, 0x08 },
 143                 {  999999999, 166667, 0xfc, 0x08 },
 144         },
 145 };
 146
 147 static struct dvb_pll_desc dvb_pll_lg_z201 = {
 148         .name  = "LG z201",
 149         .min   = 174000000,
 150         .max   = 862000000,
 151         .iffreq= 36166667,
 152         .sleepdata = (u8[]){ 2, 0xbc, 0x03 },
 153         .count = 5,
 154         .entries = {
 155                 {  157500000, 166667, 0xbc, 0x01 },
 156                 {  443250000, 166667, 0xbc, 0x02 },
 157                 {  542000000, 166667, 0xbc, 0x04 },
 158                 {  830000000, 166667, 0xf4, 0x04 },
 159                 {  999999999, 166667, 0xfc, 0x04 },
 160         },
 161 };
 162
 163 static struct dvb_pll_desc dvb_pll_microtune_4042 = {
 164         .name  = "Microtune 4042 FI5",
 165         .min   =  57000000,
 166         .max   = 858000000,
 167         .iffreq= 44000000,
 168         .count = 3,
 169         .entries = {
 170                 { 162000000, 62500, 0x8e, 0xa1 },
 171                 { 457000000, 62500, 0x8e, 0x91 },
 172                 { 999999999, 62500, 0x8e, 0x31 },
 173         },
 174 };
 175
 176 static struct dvb_pll_desc dvb_pll_thomson_dtt761x = {
 177         /* DTT 7611 7611A 7612 7613 7613A 7614 7615 7615A */
 178         .name  = "Thomson dtt761x",
 179         .min   =  57000000,
 180         .max   = 863000000,
 181         .iffreq= 44000000,
 182         .count = 3,
 183         .initdata = tua603x_agc103,
 184         .entries = {
 185                 { 147000000, 62500, 0x8e, 0x39 },
 186                 { 417000000, 62500, 0x8e, 0x3a },
 187                 { 999999999, 62500, 0x8e, 0x3c },
 188         },
 189 };
 190
 191 static struct dvb_pll_desc dvb_pll_unknown_1 = {
 192         .name  = "unknown 1", /* used by dntv live dvb-t */
 193         .min   = 174000000,
 194         .max   = 862000000,
 195         .iffreq= 36166667,
 196         .count = 9,
 197         .entries = {
 198                 {  150000000, 166667, 0xb4, 0x01 },
 199                 {  173000000, 166667, 0xbc, 0x01 },
 200                 {  250000000, 166667, 0xb4, 0x02 },
 201                 {  400000000, 166667, 0xbc, 0x02 },
 202                 {  420000000, 166667, 0xf4, 0x02 },
 203                 {  470000000, 166667, 0xfc, 0x02 },
 204                 {  600000000, 166667, 0xbc, 0x08 },
 205                 {  730000000, 166667, 0xf4, 0x08 },
 206                 {  999999999, 166667, 0xfc, 0x08 },
 207         },
 208 };
 209
 210 /* Infineon TUA6010XS
 211  * used in Thomson Cable Tuner
 212  */
 213 static struct dvb_pll_desc dvb_pll_tua6010xs = {
 214         .name  = "Infineon TUA6010XS",
 215         .min   =  44250000,
 216         .max   = 858000000,
 217         .iffreq= 36125000,
 218         .count = 3,
 219         .entries = {
 220                 {  115750000, 62500, 0x8e, 0x03 },
 221                 {  403250000, 62500, 0x8e, 0x06 },
 222                 {  999999999, 62500, 0x8e, 0x85 },
 223         },
 224 };
 225
 226 /* Panasonic env57h1xd5 (some Philips PLL ?) */
 227 static struct dvb_pll_desc dvb_pll_env57h1xd5 = {
 228         .name  = "Panasonic ENV57H1XD5",
 229         .min   =  44250000,
 230         .max   = 858000000,
 231         .iffreq= 36125000,
 232         .count = 4,
 233         .entries = {
 234                 {  153000000, 166667, 0xc2, 0x41 },
 235                 {  470000000, 166667, 0xc2, 0x42 },
 236                 {  526000000, 166667, 0xc2, 0x84 },
 237                 {  999999999, 166667, 0xc2, 0xa4 },
 238         },
 239 };
 240
 241 /* Philips TDA6650/TDA6651
 242  * used in Panasonic ENV77H11D5
 243  */
 244 static void tda665x_bw(struct dvb_frontend *fe, u8 *buf,
 245                        const struct dvb_frontend_parameters *params)
 246 {
 247         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
 248                 buf[3] |= 0x08;
 249 }
 250
 251 static struct dvb_pll_desc dvb_pll_tda665x = {
 252         .name  = "Philips TDA6650/TDA6651",
 253         .min   =  44250000,
 254         .max   = 858000000,
 255         .set   = tda665x_bw,
 256         .iffreq= 36166667,
 257         .initdata = (u8[]){ 4, 0x0b, 0xf5, 0x85, 0xab },
 258         .count = 12,
 259         .entries = {
 260                 {   93834000, 166667, 0xca, 0x61 /* 011 0 0 0  01 */ },
 261                 {  123834000, 166667, 0xca, 0xa1 /* 101 0 0 0  01 */ },
 262                 {  161000000, 166667, 0xca, 0xa1 /* 101 0 0 0  01 */ },
 263                 {  163834000, 166667, 0xca, 0xc2 /* 110 0 0 0  10 */ },
 264                 {  253834000, 166667, 0xca, 0x62 /* 011 0 0 0  10 */ },
 265                 {  383834000, 166667, 0xca, 0xa2 /* 101 0 0 0  10 */ },
 266                 {  443834000, 166667, 0xca, 0xc2 /* 110 0 0 0  10 */ },
 267                 {  444000000, 166667, 0xca, 0xc4 /* 110 0 0 1  00 */ },
 268                 {  583834000, 166667, 0xca, 0x64 /* 011 0 0 1  00 */ },
 269                 {  793834000, 166667, 0xca, 0xa4 /* 101 0 0 1  00 */ },
 270                 {  444834000, 166667, 0xca, 0xc4 /* 110 0 0 1  00 */ },
 271                 {  861000000, 166667, 0xca, 0xe4 /* 111 0 0 1  00 */ },
 272         }
 273 };
 274
 275 /* Infineon TUA6034
 276  * used in LG TDTP E102P
 277  */
 278 static void tua6034_bw(struct dvb_frontend *fe, u8 *buf,
 279                        const struct dvb_frontend_parameters *params)
 280 {
 281         if (BANDWIDTH_7_MHZ != params->u.ofdm.bandwidth)
 282                 buf[3] |= 0x08;
 283 }
 284
 285 static struct dvb_pll_desc dvb_pll_tua6034 = {
 286         .name  = "Infineon TUA6034",
 287         .min   =  44250000,
 288         .max   = 858000000,
 289         .iffreq= 36166667,
 290         .count = 3,
 291         .set   = tua6034_bw,
 292         .entries = {
 293                 {  174500000, 62500, 0xce, 0x01 },
 294                 {  230000000, 62500, 0xce, 0x02 },
 295                 {  999999999, 62500, 0xce, 0x04 },
 296         },
 297 };
 298
 299 /* Infineon TUA6034
 300  * used in LG TDVS-H061F, LG TDVS-H062F and LG TDVS-H064F
 301  */
 302 static struct dvb_pll_desc dvb_pll_lg_tdvs_h06xf = {
 303         .name  = "LG TDVS-H06xF",
 304         .min   =  54000000,
 305         .max   = 863000000,
 306         .iffreq= 44000000,
 307         .initdata = tua603x_agc103,
 308         .count = 3,
 309         .entries = {
 310                 {  165000000, 62500, 0xce, 0x01 },
 311                 {  450000000, 62500, 0xce, 0x02 },
 312                 {  999999999, 62500, 0xce, 0x04 },
 313         },
 314 };
 315
 316 /* Philips FMD1216ME
 317  * used in Medion Hybrid PCMCIA card and USB Box
 318  */
 319 static void fmd1216me_bw(struct dvb_frontend *fe, u8 *buf,
 320                          const struct dvb_frontend_parameters *params)
 321 {
 322         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ &&
 323             params->frequency >= 158870000)
 324                 buf[3] |= 0x08;
 325 }
 326
 327 static struct dvb_pll_desc dvb_pll_fmd1216me = {
 328         .name = "Philips FMD1216ME",
 329         .min = 50870000,
 330         .max = 858000000,
 331         .iffreq= 36125000,
 332         .set   = fmd1216me_bw,
 333         .initdata = tua603x_agc112,
 334         .sleepdata = (u8[]){ 4, 0x9c, 0x60, 0x85, 0x54 },
 335         .count = 7,
 336         .entries = {
 337                 { 143870000, 166667, 0xbc, 0x41 },
 338                 { 158870000, 166667, 0xf4, 0x41 },
 339                 { 329870000, 166667, 0xbc, 0x42 },
 340                 { 441870000, 166667, 0xf4, 0x42 },
 341                 { 625870000, 166667, 0xbc, 0x44 },
 342                 { 803870000, 166667, 0xf4, 0x44 },
 343                 { 999999999, 166667, 0xfc, 0x44 },
 344         }
 345 };
 346
 347 /* ALPS TDED4
 348  * used in Nebula-Cards and USB boxes
 349  */
 350 static void tded4_bw(struct dvb_frontend *fe, u8 *buf,
 351                      const struct dvb_frontend_parameters *params)
 352 {
 353         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
 354                 buf[3] |= 0x04;
 355 }
 356
 357 static struct dvb_pll_desc dvb_pll_tded4 = {
 358         .name = "ALPS TDED4",
 359         .min = 47000000,
 360         .max = 863000000,
 361         .iffreq= 36166667,
 362         .set   = tded4_bw,
 363         .count = 4,
 364         .entries = {
 365                 { 153000000, 166667, 0x85, 0x01 },
 366                 { 470000000, 166667, 0x85, 0x02 },
 367                 { 823000000, 166667, 0x85, 0x08 },
 368                 { 999999999, 166667, 0x85, 0x88 },
 369         }
 370 };
 371
 372 /* ALPS TDHU2
 373  * used in AverTVHD MCE A180
 374  */
 375 static struct dvb_pll_desc dvb_pll_tdhu2 = {
 376         .name = "ALPS TDHU2",
 377         .min = 54000000,
 378         .max = 864000000,
 379         .iffreq= 44000000,
 380         .count = 4,
 381         .entries = {
 382                 { 162000000, 62500, 0x85, 0x01 },
 383                 { 426000000, 62500, 0x85, 0x02 },
 384                 { 782000000, 62500, 0x85, 0x08 },
 385                 { 999999999, 62500, 0x85, 0x88 },
 386         }
 387 };
 388
 389 /* Philips TUV1236D
 390  * used in ATI HDTV Wonder
 391  */
 392 static void tuv1236d_rf(struct dvb_frontend *fe, u8 *buf,
 393                         const struct dvb_frontend_parameters *params)
 394 {
 395         struct dvb_pll_priv *priv = fe->tuner_priv;
 396         unsigned int new_rf = input[priv->nr];
 397
 398         if ((new_rf == 0) || (new_rf > 2)) {
 399                 switch (params->u.vsb.modulation) {
 400                         case QAM_64:
 401                         case QAM_256:
 402                                 new_rf = 1;
 403                                 break;
 404                         case VSB_8:
 405                         default:
 406                                 new_rf = 2;
 407                 }
 408         }
 409
 410         switch (new_rf) {
 411                 case 1:
 412                         buf[3] |= 0x08;
 413                         break;
 414                 case 2:
 415                         buf[3] &= ~0x08;
 416                         break;
 417                 default:
 418                         printk(KERN_WARNING
 419                                "%s: unhandled rf input selection: %d",
 420                                __FUNCTION__, new_rf);
 421         }
 422 }
 423
 424 static struct dvb_pll_desc dvb_pll_tuv1236d = {
 425         .name  = "Philips TUV1236D",
 426         .min   =  54000000,
 427         .max   = 864000000,
 428         .iffreq= 44000000,
 429         .set   = tuv1236d_rf,
 430         .count = 3,
 431         .entries = {
 432                 { 157250000, 62500, 0xc6, 0x41 },
 433                 { 454000000, 62500, 0xc6, 0x42 },
 434                 { 999999999, 62500, 0xc6, 0x44 },
 435         },
 436 };
 437
 438 /* Samsung TBMV30111IN / TBMV30712IN1
 439  * used in Air2PC ATSC - 2nd generation (nxt2002)
 440  */
 441 static struct dvb_pll_desc dvb_pll_samsung_tbmv = {
 442         .name = "Samsung TBMV30111IN / TBMV30712IN1",
 443         .min = 54000000,
 444         .max = 860000000,
 445         .iffreq= 44000000,
 446         .count = 6,
 447         .entries = {
 448                 { 172000000, 166667, 0xb4, 0x01 },
 449                 { 214000000, 166667, 0xb4, 0x02 },
 450                 { 467000000, 166667, 0xbc, 0x02 },
 451                 { 721000000, 166667, 0xbc, 0x08 },
 452                 { 841000000, 166667, 0xf4, 0x08 },
 453                 { 999999999, 166667, 0xfc, 0x02 },
 454         }
 455 };
 456
 457 /*
 458  * Philips SD1878 Tuner.
 459  */
 460 static struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261 = {
 461         .name  = "Philips SD1878",
 462         .min   =  950000,
 463         .max   = 2150000,
 464         .iffreq= 249, /* zero-IF, offset 249 is to round up */
 465         .count = 4,
 466         .entries = {
 467                 { 1250000, 500, 0xc4, 0x00},
 468                 { 1550000, 500, 0xc4, 0x40},
 469                 { 2050000, 500, 0xc4, 0x80},
 470                 { 2150000, 500, 0xc4, 0xc0},
 471         },
 472 };
 473
 474 /*
 475  * Philips TD1316 Tuner.
 476  */
 477 static void td1316_bw(struct dvb_frontend *fe, u8 *buf,
 478                       const struct dvb_frontend_parameters *params)
 479 {
 480         u8 band;
 481
 482         /* determine band */
 483         if (params->frequency < 161000000)
 484                 band = 1;
 485         else if (params->frequency < 444000000)
 486                 band = 2;
 487         else
 488                 band = 4;
 489
 490         buf[3] |= band;
 491
 492         /* setup PLL filter */
 493         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
 494                 buf[3] |= 1 << 3;
 495 }
 496
 497 static struct dvb_pll_desc dvb_pll_philips_td1316 = {
 498         .name  = "Philips TD1316",
 499         .min   =  87000000,
 500         .max   = 895000000,
 501         .iffreq= 36166667,
 502         .set   = td1316_bw,
 503         .count = 9,
 504         .entries = {
 505                 {  93834000, 166667, 0xca, 0x60},
 506                 { 123834000, 166667, 0xca, 0xa0},
 507                 { 163834000, 166667, 0xca, 0xc0},
 508                 { 253834000, 166667, 0xca, 0x60},
 509                 { 383834000, 166667, 0xca, 0xa0},
 510                 { 443834000, 166667, 0xca, 0xc0},
 511                 { 583834000, 166667, 0xca, 0x60},
 512                 { 793834000, 166667, 0xca, 0xa0},
 513                 { 858834000, 166667, 0xca, 0xe0},
 514         },
 515 };
 516
 517 /* FE6600 used on DViCO Hybrid */
 518 static struct dvb_pll_desc dvb_pll_thomson_fe6600 = {
 519         .name = "Thomson FE6600",
 520         .min =  44250000,
 521         .max = 858000000,
 522         .iffreq= 36125000,
 523         .count = 4,
 524         .entries = {
 525                 { 250000000, 166667, 0xb4, 0x12 },
 526                 { 455000000, 166667, 0xfe, 0x11 },
 527                 { 775500000, 166667, 0xbc, 0x18 },
 528                 { 999999999, 166667, 0xf4, 0x18 },
 529         }
 530 };
 531
 532 static void opera1_bw(struct dvb_frontend *fe, u8 *buf,
 533                       const struct dvb_frontend_parameters *params)
 534 {
 535         if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
 536                 buf[2] |= 0x08;
 537 }
 538
 539 static struct dvb_pll_desc dvb_pll_opera1 = {
 540         .name  = "Opera Tuner",
 541         .min   =  900000,
 542         .max   = 2250000,
 543         .iffreq= 0,
 544         .set   = opera1_bw,
 545         .count = 8,
 546         .entries = {
 547                 { 1064000, 500, 0xe5, 0xc6 },
 548                 { 1169000, 500, 0xe5, 0xe6 },
 549                 { 1299000, 500, 0xe5, 0x24 },
 550                 { 1444000, 500, 0xe5, 0x44 },
 551                 { 1606000, 500, 0xe5, 0x64 },
 552                 { 1777000, 500, 0xe5, 0x84 },
 553                 { 1941000, 500, 0xe5, 0xa4 },
 554                 { 2250000, 500, 0xe5, 0xc4 },
 555         }
 556 };
 557
 558 /* Philips FCV1236D
 559  */
 560 static struct dvb_pll_desc dvb_pll_fcv1236d = {
 561 /* Bit_0: RF Input select
 562  * Bit_1: 0=digital, 1=analog
 563  */
 564         .name  = "Philips FCV1236D",
 565         .min   =  53000000,
 566         .max   = 803000000,
 567         .iffreq= 44000000,
 568         .count = 3,
 569         .entries = {
 570                 { 159000000, 62500, 0x8e, 0xa0 },
 571                 { 453000000, 62500, 0x8e, 0x90 },
 572                 { 999999999, 62500, 0x8e, 0x30 },
 573         },
 574 };
 575
 576 /* ----------------------------------------------------------- */
 577
 578 static struct dvb_pll_desc *pll_list[] = {
 579         [DVB_PLL_UNDEFINED]              = NULL,
 580         [DVB_PLL_THOMSON_DTT7579]        = &dvb_pll_thomson_dtt7579,
 581         [DVB_PLL_THOMSON_DTT759X]        = &dvb_pll_thomson_dtt759x,
 582         [DVB_PLL_THOMSON_DTT7610]        = &dvb_pll_thomson_dtt7610,
 583         [DVB_PLL_LG_Z201]                = &dvb_pll_lg_z201,
 584         [DVB_PLL_MICROTUNE_4042]         = &dvb_pll_microtune_4042,
 585         [DVB_PLL_THOMSON_DTT761X]        = &dvb_pll_thomson_dtt761x,
 586         [DVB_PLL_UNKNOWN_1]              = &dvb_pll_unknown_1,
 587         [DVB_PLL_TUA6010XS]              = &dvb_pll_tua6010xs,
 588         [DVB_PLL_ENV57H1XD5]             = &dvb_pll_env57h1xd5,
 589         [DVB_PLL_TUA6034]                = &dvb_pll_tua6034,
 590         [DVB_PLL_LG_TDVS_H06XF]          = &dvb_pll_lg_tdvs_h06xf,
 591         [DVB_PLL_TDA665X]                = &dvb_pll_tda665x,
 592         [DVB_PLL_FMD1216ME]              = &dvb_pll_fmd1216me,
 593         [DVB_PLL_TDED4]                  = &dvb_pll_tded4,
 594         [DVB_PLL_TUV1236D]               = &dvb_pll_tuv1236d,
 595         [DVB_PLL_TDHU2]                  = &dvb_pll_tdhu2,
 596         [DVB_PLL_SAMSUNG_TBMV]           = &dvb_pll_samsung_tbmv,
 597         [DVB_PLL_PHILIPS_SD1878_TDA8261] = &dvb_pll_philips_sd1878_tda8261,
 598         [DVB_PLL_PHILIPS_TD1316]         = &dvb_pll_philips_td1316,
 599         [DVB_PLL_THOMSON_FE6600]         = &dvb_pll_thomson_fe6600,
 600         [DVB_PLL_OPERA1]                 = &dvb_pll_opera1,
 601         [DVB_PLL_FCV1236D]               = &dvb_pll_fcv1236d,
 602 };
 603
 604 /* ----------------------------------------------------------- */
 605 /* code                                                        */
 606
 607 static int dvb_pll_configure(struct dvb_frontend *fe, u8 *buf,
 608                              const struct dvb_frontend_parameters *params)
 609 {
 610         struct dvb_pll_priv *priv = fe->tuner_priv;
 611         struct dvb_pll_desc *desc = priv->pll_desc;
 612         u32 div;
 613         int i;
 614
 615         if (params->frequency != 0 && (params->frequency < desc->min ||
 616                                        params->frequency > desc->max))
 617                 return -EINVAL;
 618
 619         for (i = 0; i < desc->count; i++) {
 620                 if (params->frequency > desc->entries[i].limit)
 621                         continue;
 622                 break;
 623         }
 624
 625         if (debug)
 626                 printk("pll: %s: freq=%d | i=%d/%d\n", desc->name,
 627                        params->frequency, i, desc->count);
 628         if (i == desc->count)
 629                 return -EINVAL;
 630
 631         div = (params->frequency + desc->iffreq +
 632                desc->entries[i].stepsize/2) / desc->entries[i].stepsize;
 633         buf[0] = div >> 8;
 634         buf[1] = div & 0xff;
 635         buf[2] = desc->entries[i].config;
 636         buf[3] = desc->entries[i].cb;
 637
 638         if (desc->set)
 639                 desc->set(fe, buf, params);
 640
 641         if (debug)
 642                 printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
 643                        desc->name, div, buf[0], buf[1], buf[2], buf[3]);
 644
 645         // calculate the frequency we set it to
 646         return (div * desc->entries[i].stepsize) - desc->iffreq;
 647 }
 648
 649 static int dvb_pll_release(struct dvb_frontend *fe)
 650 {
 651         kfree(fe->tuner_priv);
 652         fe->tuner_priv = NULL;
 653         return 0;
 654 }
 655
 656 static int dvb_pll_sleep(struct dvb_frontend *fe)
 657 {
 658         struct dvb_pll_priv *priv = fe->tuner_priv;
 659
 660         if (priv->i2c == NULL)
 661                 return -EINVAL;
 662
 663         if (priv->pll_desc->sleepdata) {
 664                 struct i2c_msg msg = { .flags = 0,
 665                         .addr = priv->pll_i2c_address,
 666                         .buf = priv->pll_desc->sleepdata + 1,
 667                         .len = priv->pll_desc->sleepdata[0] };
 668
 669                 int result;
 670
 671                 if (fe->ops.i2c_gate_ctrl)
 672                         fe->ops.i2c_gate_ctrl(fe, 1);
 673                 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
 674                         return result;
 675                 }
 676                 return 0;
 677         }
 678         /* Shouldn't be called when initdata is NULL, maybe BUG()? */
 679         return -EINVAL;
 680 }
 681
 682 static int dvb_pll_set_params(struct dvb_frontend *fe,
 683                               struct dvb_frontend_parameters *params)
 684 {
 685         struct dvb_pll_priv *priv = fe->tuner_priv;
 686         u8 buf[4];
 687         struct i2c_msg msg =
 688                 { .addr = priv->pll_i2c_address, .flags = 0,
 689                   .buf = buf, .len = sizeof(buf) };
 690         int result;
 691         u32 frequency = 0;
 692
 693         if (priv->i2c == NULL)
 694                 return -EINVAL;
 695
 696         if ((result = dvb_pll_configure(fe, buf, params)) < 0)
 697                 return result;
 698         else
 699                 frequency = result;
 700
 701         if (fe->ops.i2c_gate_ctrl)
 702                 fe->ops.i2c_gate_ctrl(fe, 1);
 703         if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
 704                 return result;
 705         }
 706
 707         priv->frequency = frequency;
 708         priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
 709
 710         return 0;
 711 }
 712
 713 static int dvb_pll_calc_regs(struct dvb_frontend *fe,
 714                              struct dvb_frontend_parameters *params,
 715                              u8 *buf, int buf_len)
 716 {
 717         struct dvb_pll_priv *priv = fe->tuner_priv;
 718         int result;
 719         u32 frequency = 0;
 720
 721         if (buf_len < 5)
 722                 return -EINVAL;
 723
 724         if ((result = dvb_pll_configure(fe, buf+1, params)) < 0)
 725                 return result;
 726         else
 727                 frequency = result;
 728
 729         buf[0] = priv->pll_i2c_address;
 730
 731         priv->frequency = frequency;
 732         priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
 733
 734         return 5;
 735 }
 736
 737 static int dvb_pll_get_frequency(struct dvb_frontend *fe, u32 *frequency)
 738 {
 739         struct dvb_pll_priv *priv = fe->tuner_priv;
 740         *frequency = priv->frequency;
 741         return 0;
 742 }
 743
 744 static int dvb_pll_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
 745 {
 746         struct dvb_pll_priv *priv = fe->tuner_priv;
 747         *bandwidth = priv->bandwidth;
 748         return 0;
 749 }
 750
 751 static int dvb_pll_init(struct dvb_frontend *fe)
 752 {
 753         struct dvb_pll_priv *priv = fe->tuner_priv;
 754
 755         if (priv->i2c == NULL)
 756                 return -EINVAL;
 757
 758         if (priv->pll_desc->initdata) {
 759                 struct i2c_msg msg = { .flags = 0,
 760                         .addr = priv->pll_i2c_address,
 761                         .buf = priv->pll_desc->initdata + 1,
 762                         .len = priv->pll_desc->initdata[0] };
 763
 764                 int result;
 765                 if (fe->ops.i2c_gate_ctrl)
 766                         fe->ops.i2c_gate_ctrl(fe, 1);
 767                 if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
 768                         return result;
 769                 }
 770                 return 0;
 771         }
 772         /* Shouldn't be called when initdata is NULL, maybe BUG()? */
 773         return -EINVAL;
 774 }
 775
 776 static struct dvb_tuner_ops dvb_pll_tuner_ops = {
 777         .release = dvb_pll_release,
 778         .sleep = dvb_pll_sleep,
 779         .init = dvb_pll_init,
 780         .set_params = dvb_pll_set_params,
 781         .calc_regs = dvb_pll_calc_regs,
 782         .get_frequency = dvb_pll_get_frequency,
 783         .get_bandwidth = dvb_pll_get_bandwidth,
 784 };
 785
 786 struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
 787                                     struct i2c_adapter *i2c,
 788                                     unsigned int pll_desc_id)
 789 {
 790         u8 b1 [] = { 0 };
 791         struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD,
 792                                .buf = b1, .len = 1 };
 793         struct dvb_pll_priv *priv = NULL;
 794         int ret;
 795         struct dvb_pll_desc *desc;
 796
 797         BUG_ON(pll_desc_id < 1 || pll_desc_id >= ARRAY_SIZE(pll_list));
 798
 799         desc = pll_list[pll_desc_id];
 800
 801         if (i2c != NULL) {
 802                 if (fe->ops.i2c_gate_ctrl)
 803                         fe->ops.i2c_gate_ctrl(fe, 1);
 804
 805                 ret = i2c_transfer (i2c, &msg, 1);
 806                 if (ret != 1)
 807                         return NULL;
 808                 if (fe->ops.i2c_gate_ctrl)
 809                              fe->ops.i2c_gate_ctrl(fe, 0);
 810         }
 811
 812         priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL);
 813         if (priv == NULL)
 814                 return NULL;
 815
 816         priv->pll_i2c_address = pll_addr;
 817         priv->i2c = i2c;
 818         priv->pll_desc = desc;
 819         priv->nr = dvb_pll_devcount++;
 820
 821         memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops,
 822                sizeof(struct dvb_tuner_ops));
 823
 824         strncpy(fe->ops.tuner_ops.info.name, desc->name,
 825                 sizeof(fe->ops.tuner_ops.info.name));
 826         fe->ops.tuner_ops.info.frequency_min = desc->min;
 827         fe->ops.tuner_ops.info.frequency_max = desc->max;
 828         if (!desc->initdata)
 829                 fe->ops.tuner_ops.init = NULL;
 830         if (!desc->sleepdata)
 831                 fe->ops.tuner_ops.sleep = NULL;
 832
 833         fe->tuner_priv = priv;
 834
 835         if (debug) {
 836                 printk("dvb-pll[%d]", priv->nr);
 837                 if (i2c != NULL)
 838                         printk(" %d-%04x", i2c_adapter_id(i2c), pll_addr);
 839                 printk(": id# %d (%s) attached\n", pll_desc_id, desc->name);
 840         }
 841
 842         return fe;
 843 }
 844 EXPORT_SYMBOL(dvb_pll_attach);
 845
 846 MODULE_DESCRIPTION("dvb pll library");
 847 MODULE_AUTHOR("Gerd Knorr");
 848 MODULE_LICENSE("GPL");