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 /* ----------------------------------------------------------- */
  28 /* descriptions                                                */
  29
  30 struct dvb_pll_desc dvb_pll_thomson_dtt7579 = {
  31         .name  = "Thomson dtt7579",
  32         .min   = 177000000,
  33         .max   = 858000000,
  34         .count = 5,
  35         .entries = {
  36                 {          0, 36166667, 166666, 0xb4, 0x03 }, /* go sleep */
  37                 {  443250000, 36166667, 166666, 0xb4, 0x02 },
  38                 {  542000000, 36166667, 166666, 0xb4, 0x08 },
  39                 {  771000000, 36166667, 166666, 0xbc, 0x08 },
  40                 {  999999999, 36166667, 166666, 0xf4, 0x08 },
  41         },
  42 };
  43 EXPORT_SYMBOL(dvb_pll_thomson_dtt7579);
  44
  45 struct dvb_pll_desc dvb_pll_thomson_dtt7610 = {
  46         .name  = "Thomson dtt7610",
  47         .min   =  44000000,
  48         .max   = 958000000,
  49         .count = 3,
  50         .entries = {
  51                 { 157250000, 44000000, 62500, 0x8e, 0x39 },
  52                 { 454000000, 44000000, 62500, 0x8e, 0x3a },
  53                 { 999999999, 44000000, 62500, 0x8e, 0x3c },
  54         },
  55 };
  56 EXPORT_SYMBOL(dvb_pll_thomson_dtt7610);
  57
  58 static void thomson_dtt759x_bw(u8 *buf, u32 freq, int bandwidth)
  59 {
  60         if (BANDWIDTH_7_MHZ == bandwidth)
  61                 buf[3] |= 0x10;
  62 }
  63
  64 struct dvb_pll_desc dvb_pll_thomson_dtt759x = {
  65         .name  = "Thomson dtt759x",
  66         .min   = 177000000,
  67         .max   = 896000000,
  68         .setbw = thomson_dtt759x_bw,
  69         .count = 6,
  70         .entries = {
  71                 {          0, 36166667, 166666, 0x84, 0x03 },
  72                 {  264000000, 36166667, 166666, 0xb4, 0x02 },
  73                 {  470000000, 36166667, 166666, 0xbc, 0x02 },
  74                 {  735000000, 36166667, 166666, 0xbc, 0x08 },
  75                 {  835000000, 36166667, 166666, 0xf4, 0x08 },
  76                 {  999999999, 36166667, 166666, 0xfc, 0x08 },
  77         },
  78 };
  79 EXPORT_SYMBOL(dvb_pll_thomson_dtt759x);
  80
  81 struct dvb_pll_desc dvb_pll_lg_z201 = {
  82         .name  = "LG z201",
  83         .min   = 174000000,
  84         .max   = 862000000,
  85         .count = 6,
  86         .entries = {
  87                 {          0, 36166667, 166666, 0xbc, 0x03 },
  88                 {  157500000, 36166667, 166666, 0xbc, 0x01 },
  89                 {  443250000, 36166667, 166666, 0xbc, 0x02 },
  90                 {  542000000, 36166667, 166666, 0xbc, 0x04 },
  91                 {  830000000, 36166667, 166666, 0xf4, 0x04 },
  92                 {  999999999, 36166667, 166666, 0xfc, 0x04 },
  93         },
  94 };
  95 EXPORT_SYMBOL(dvb_pll_lg_z201);
  96
  97 struct dvb_pll_desc dvb_pll_microtune_4042 = {
  98         .name  = "Microtune 4042 FI5",
  99         .min   =  57000000,
 100         .max   = 858000000,
 101         .count = 3,
 102         .entries = {
 103                 { 162000000, 44000000, 62500, 0x8e, 0xa1 },
 104                 { 457000000, 44000000, 62500, 0x8e, 0x91 },
 105                 { 999999999, 44000000, 62500, 0x8e, 0x31 },
 106         },
 107 };
 108 EXPORT_SYMBOL(dvb_pll_microtune_4042);
 109
 110 struct dvb_pll_desc dvb_pll_thomson_dtt7611 = {
 111         .name  = "Thomson dtt7611",
 112         .min   =  44000000,
 113         .max   = 958000000,
 114         .count = 3,
 115         .entries = {
 116                 { 157250000, 44000000, 62500, 0x8e, 0x39 },
 117                 { 454000000, 44000000, 62500, 0x8e, 0x3a },
 118                 { 999999999, 44000000, 62500, 0x8e, 0x3c },
 119         },
 120 };
 121 EXPORT_SYMBOL(dvb_pll_thomson_dtt7611);
 122
 123 struct dvb_pll_desc dvb_pll_unknown_1 = {
 124         .name  = "unknown 1", /* used by dntv live dvb-t */
 125         .min   = 174000000,
 126         .max   = 862000000,
 127         .count = 9,
 128         .entries = {
 129                 {  150000000, 36166667, 166666, 0xb4, 0x01 },
 130                 {  173000000, 36166667, 166666, 0xbc, 0x01 },
 131                 {  250000000, 36166667, 166666, 0xb4, 0x02 },
 132                 {  400000000, 36166667, 166666, 0xbc, 0x02 },
 133                 {  420000000, 36166667, 166666, 0xf4, 0x02 },
 134                 {  470000000, 36166667, 166666, 0xfc, 0x02 },
 135                 {  600000000, 36166667, 166666, 0xbc, 0x08 },
 136                 {  730000000, 36166667, 166666, 0xf4, 0x08 },
 137                 {  999999999, 36166667, 166666, 0xfc, 0x08 },
 138         },
 139 };
 140 EXPORT_SYMBOL(dvb_pll_unknown_1);
 141
 142 /* Infineon TUA6010XS
 143  * used in Thomson Cable Tuner
 144  */
 145 struct dvb_pll_desc dvb_pll_tua6010xs = {
 146         .name  = "Infineon TUA6010XS",
 147         .min   =  44250000,
 148         .max   = 858000000,
 149         .count = 3,
 150         .entries = {
 151                 {  115750000, 36125000, 62500, 0x8e, 0x03 },
 152                 {  403250000, 36125000, 62500, 0x8e, 0x06 },
 153                 {  999999999, 36125000, 62500, 0x8e, 0x85 },
 154         },
 155 };
 156 EXPORT_SYMBOL(dvb_pll_tua6010xs);
 157
 158 /* Panasonic env57h1xd5 (some Philips PLL ?) */
 159 struct dvb_pll_desc dvb_pll_env57h1xd5 = {
 160         .name  = "Panasonic ENV57H1XD5",
 161         .min   =  44250000,
 162         .max   = 858000000,
 163         .count = 4,
 164         .entries = {
 165                 {  153000000, 36291666, 166666, 0xc2, 0x41 },
 166                 {  470000000, 36291666, 166666, 0xc2, 0x42 },
 167                 {  526000000, 36291666, 166666, 0xc2, 0x84 },
 168                 {  999999999, 36291666, 166666, 0xc2, 0xa4 },
 169         },
 170 };
 171 EXPORT_SYMBOL(dvb_pll_env57h1xd5);
 172
 173 /* Philips TDA6650/TDA6651
 174  * used in Panasonic ENV77H11D5
 175  */
 176 static void tda665x_bw(u8 *buf, u32 freq, int bandwidth)
 177 {
 178         if (bandwidth == BANDWIDTH_8_MHZ)
 179                 buf[3] |= 0x08;
 180 }
 181
 182 struct dvb_pll_desc dvb_pll_tda665x = {
 183         .name  = "Philips TDA6650/TDA6651",
 184         .min   =  44250000,
 185         .max   = 858000000,
 186         .setbw = tda665x_bw,
 187         .count = 12,
 188         .entries = {
 189                 {   93834000, 36249333, 166667, 0xca, 0x61 /* 011 0 0 0  01 */ },
 190                 {  123834000, 36249333, 166667, 0xca, 0xa1 /* 101 0 0 0  01 */ },
 191                 {  161000000, 36249333, 166667, 0xca, 0xa1 /* 101 0 0 0  01 */ },
 192                 {  163834000, 36249333, 166667, 0xca, 0xc2 /* 110 0 0 0  10 */ },
 193                 {  253834000, 36249333, 166667, 0xca, 0x62 /* 011 0 0 0  10 */ },
 194                 {  383834000, 36249333, 166667, 0xca, 0xa2 /* 101 0 0 0  10 */ },
 195                 {  443834000, 36249333, 166667, 0xca, 0xc2 /* 110 0 0 0  10 */ },
 196                 {  444000000, 36249333, 166667, 0xca, 0xc3 /* 110 0 0 0  11 */ },
 197                 {  583834000, 36249333, 166667, 0xca, 0x63 /* 011 0 0 0  11 */ },
 198                 {  793834000, 36249333, 166667, 0xca, 0xa3 /* 101 0 0 0  11 */ },
 199                 {  444834000, 36249333, 166667, 0xca, 0xc3 /* 110 0 0 0  11 */ },
 200                 {  861000000, 36249333, 166667, 0xca, 0xe3 /* 111 0 0 0  11 */ },
 201         }
 202 };
 203 EXPORT_SYMBOL(dvb_pll_tda665x);
 204
 205 /* Infineon TUA6034
 206  * used in LG TDTP E102P
 207  */
 208 static void tua6034_bw(u8 *buf, u32 freq, int bandwidth)
 209 {
 210         if (BANDWIDTH_7_MHZ != bandwidth)
 211                 buf[3] |= 0x08;
 212 }
 213
 214 struct dvb_pll_desc dvb_pll_tua6034 = {
 215         .name  = "Infineon TUA6034",
 216         .min   =  44250000,
 217         .max   = 858000000,
 218         .count = 3,
 219         .setbw = tua6034_bw,
 220         .entries = {
 221                 {  174500000, 36166667, 62500, 0xce, 0x01 },
 222                 {  230000000, 36166667, 62500, 0xce, 0x02 },
 223                 {  999999999, 36166667, 62500, 0xce, 0x04 },
 224         },
 225 };
 226 EXPORT_SYMBOL(dvb_pll_tua6034);
 227
 228 /* Infineon TUA6034
 229  * used in LG Innotek TDVS-H062F
 230  */
 231 struct dvb_pll_desc dvb_pll_tdvs_tua6034 = {
 232         .name  = "LG/Infineon TUA6034",
 233         .min   =  54000000,
 234         .max   = 863000000,
 235         .count = 3,
 236         .entries = {
 237                 {  160000000, 44000000, 62500, 0xce, 0x01 },
 238                 {  455000000, 44000000, 62500, 0xce, 0x02 },
 239                 {  999999999, 44000000, 62500, 0xce, 0x04 },
 240         },
 241 };
 242 EXPORT_SYMBOL(dvb_pll_tdvs_tua6034);
 243
 244 /* Philips FMD1216ME
 245  * used in Medion Hybrid PCMCIA card and USB Box
 246  */
 247 static void fmd1216me_bw(u8 *buf, u32 freq, int bandwidth)
 248 {
 249         if (bandwidth == BANDWIDTH_8_MHZ && freq >= 158870000)
 250                 buf[3] |= 0x08;
 251 }
 252
 253 struct dvb_pll_desc dvb_pll_fmd1216me = {
 254         .name = "Philips FMD1216ME",
 255         .min = 50870000,
 256         .max = 858000000,
 257         .setbw = fmd1216me_bw,
 258         .count = 7,
 259         .entries = {
 260                 { 143870000, 36213333, 166667, 0xbc, 0x41 },
 261                 { 158870000, 36213333, 166667, 0xf4, 0x41 },
 262                 { 329870000, 36213333, 166667, 0xbc, 0x42 },
 263                 { 441870000, 36213333, 166667, 0xf4, 0x42 },
 264                 { 625870000, 36213333, 166667, 0xbc, 0x44 },
 265                 { 803870000, 36213333, 166667, 0xf4, 0x44 },
 266                 { 999999999, 36213333, 166667, 0xfc, 0x44 },
 267         }
 268 };
 269 EXPORT_SYMBOL(dvb_pll_fmd1216me);
 270
 271 /* ALPS TDED4
 272  * used in Nebula-Cards and USB boxes
 273  */
 274 static void tded4_bw(u8 *buf, u32 freq, int bandwidth)
 275 {
 276         if (bandwidth == BANDWIDTH_8_MHZ)
 277                 buf[3] |= 0x04;
 278 }
 279
 280 struct dvb_pll_desc dvb_pll_tded4 = {
 281         .name = "ALPS TDED4",
 282         .min = 47000000,
 283         .max = 863000000,
 284         .setbw = tded4_bw,
 285         .count = 4,
 286         .entries = {
 287                 { 153000000, 36166667, 166667, 0x85, 0x01 },
 288                 { 470000000, 36166667, 166667, 0x85, 0x02 },
 289                 { 823000000, 36166667, 166667, 0x85, 0x08 },
 290                 { 999999999, 36166667, 166667, 0x85, 0x88 },
 291         }
 292 };
 293 EXPORT_SYMBOL(dvb_pll_tded4);
 294
 295 /* ----------------------------------------------------------- */
 296 /* code                                                        */
 297
 298 static int debug = 0;
 299 module_param(debug, int, 0644);
 300 MODULE_PARM_DESC(debug, "enable verbose debug messages");
 301
 302 int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf,
 303                       u32 freq, int bandwidth)
 304 {
 305         u32 div;
 306         int i;
 307
 308         if (freq != 0 && (freq < desc->min || freq > desc->max))
 309             return -EINVAL;
 310
 311         for (i = 0; i < desc->count; i++) {
 312                 if (freq > desc->entries[i].limit)
 313                         continue;
 314                 break;
 315         }
 316         if (debug)
 317                 printk("pll: %s: freq=%d bw=%d | i=%d/%d\n",
 318                        desc->name, freq, bandwidth, i, desc->count);
 319         BUG_ON(i == desc->count);
 320
 321         div = (freq + desc->entries[i].offset) / desc->entries[i].stepsize;
 322         buf[0] = div >> 8;
 323         buf[1] = div & 0xff;
 324         buf[2] = desc->entries[i].cb1;
 325         buf[3] = desc->entries[i].cb2;
 326
 327         if (desc->setbw)
 328                 desc->setbw(buf, freq, bandwidth);
 329
 330         if (debug)
 331                 printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
 332                        desc->name, div, buf[0], buf[1], buf[2], buf[3]);
 333
 334         return 0;
 335 }
 336 EXPORT_SYMBOL(dvb_pll_configure);
 337
 338 MODULE_DESCRIPTION("dvb pll library");
 339 MODULE_AUTHOR("Gerd Knorr");
 340 MODULE_LICENSE("GPL");