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 = 5,
  86         .entries = {
  87                 {          0, 36166667, 166666, 0xbc, 0x03 },
  88                 {  443250000, 36166667, 166666, 0xbc, 0x01 },
  89                 {  542000000, 36166667, 166666, 0xbc, 0x02 },
  90                 {  830000000, 36166667, 166666, 0xf4, 0x02 },
  91                 {  999999999, 36166667, 166666, 0xfc, 0x02 },
  92         },
  93 };
  94 EXPORT_SYMBOL(dvb_pll_lg_z201);
  95
  96 struct dvb_pll_desc dvb_pll_microtune_4042 = {
  97         .name  = "Microtune 4042 FI5",
  98         .min   =  57000000,
  99         .max   = 858000000,
 100         .count = 3,
 101         .entries = {
 102                 { 162000000, 44000000, 62500, 0x8e, 0xa1 },
 103                 { 457000000, 44000000, 62500, 0x8e, 0x91 },
 104                 { 999999999, 44000000, 62500, 0x8e, 0x31 },
 105         },
 106 };
 107 EXPORT_SYMBOL(dvb_pll_microtune_4042);
 108
 109 struct dvb_pll_desc dvb_pll_unknown_1 = {
 110         .name  = "unknown 1", /* used by dntv live dvb-t */
 111         .min   = 174000000,
 112         .max   = 862000000,
 113         .count = 9,
 114         .entries = {
 115                 {  150000000, 36166667, 166666, 0xb4, 0x01 },
 116                 {  173000000, 36166667, 166666, 0xbc, 0x01 },
 117                 {  250000000, 36166667, 166666, 0xb4, 0x02 },
 118                 {  400000000, 36166667, 166666, 0xbc, 0x02 },
 119                 {  420000000, 36166667, 166666, 0xf4, 0x02 },
 120                 {  470000000, 36166667, 166666, 0xfc, 0x02 },
 121                 {  600000000, 36166667, 166666, 0xbc, 0x08 },
 122                 {  730000000, 36166667, 166666, 0xf4, 0x08 },
 123                 {  999999999, 36166667, 166666, 0xfc, 0x08 },
 124         },
 125 };
 126 EXPORT_SYMBOL(dvb_pll_unknown_1);
 127
 128 /* Infineon TUA6010XS
 129  * used in Thomson Cable Tuner
 130  */
 131 struct dvb_pll_desc dvb_pll_tua6010xs = {
 132         .name  = "Infineon TUA6010XS",
 133         .min   =  44250000,
 134         .max   = 858000000,
 135         .count = 3,
 136         .entries = {
 137                 {  115750000, 36125000, 62500, 0x8e, 0x03 },
 138                 {  403250000, 36125000, 62500, 0x8e, 0x06 },
 139                 {  999999999, 36125000, 62500, 0x8e, 0x85 },
 140         },
 141 };
 142 EXPORT_SYMBOL(dvb_pll_tua6010xs);
 143
 144 /* Panasonic env57h1xd5 (some Philips PLL ?) */
 145 struct dvb_pll_desc dvb_pll_env57h1xd5 = {
 146         .name  = "Panasonic ENV57H1XD5",
 147         .min   =  44250000,
 148         .max   = 858000000,
 149         .count = 4,
 150         .entries = {
 151                 {  153000000, 36291666, 166666, 0xc2, 0x41 },
 152                 {  470000000, 36291666, 166666, 0xc2, 0x42 },
 153                 {  526000000, 36291666, 166666, 0xc2, 0x84 },
 154                 {  999999999, 36291666, 166666, 0xc2, 0xa4 },
 155         },
 156 };
 157 EXPORT_SYMBOL(dvb_pll_env57h1xd5);
 158
 159 /* Philips TDA6650/TDA6651
 160  * used in Panasonic ENV77H11D5
 161  */
 162 static void tda665x_bw(u8 *buf, u32 freq, int bandwidth)
 163 {
 164         if (bandwidth == BANDWIDTH_8_MHZ)
 165                 buf[3] |= 0x08;
 166 }
 167
 168 struct dvb_pll_desc dvb_pll_tda665x = {
 169         .name  = "Philips TDA6650/TDA6651",
 170         .min   =  44250000,
 171         .max   = 858000000,
 172         .setbw = tda665x_bw,
 173         .count = 12,
 174         .entries = {
 175                 {   93834000, 36249333, 166667, 0xca, 0x61 /* 011 0 0 0  01 */ },
 176                 {  123834000, 36249333, 166667, 0xca, 0xa1 /* 101 0 0 0  01 */ },
 177                 {  161000000, 36249333, 166667, 0xca, 0xa1 /* 101 0 0 0  01 */ },
 178                 {  163834000, 36249333, 166667, 0xca, 0xc2 /* 110 0 0 0  10 */ },
 179                 {  253834000, 36249333, 166667, 0xca, 0x62 /* 011 0 0 0  10 */ },
 180                 {  383834000, 36249333, 166667, 0xca, 0xa2 /* 101 0 0 0  10 */ },
 181                 {  443834000, 36249333, 166667, 0xca, 0xc2 /* 110 0 0 0  10 */ },
 182                 {  444000000, 36249333, 166667, 0xca, 0xc3 /* 110 0 0 0  11 */ },
 183                 {  583834000, 36249333, 166667, 0xca, 0x63 /* 011 0 0 0  11 */ },
 184                 {  793834000, 36249333, 166667, 0xca, 0xa3 /* 101 0 0 0  11 */ },
 185                 {  444834000, 36249333, 166667, 0xca, 0xc3 /* 110 0 0 0  11 */ },
 186                 {  861000000, 36249333, 166667, 0xca, 0xe3 /* 111 0 0 0  11 */ },
 187         }
 188 };
 189 EXPORT_SYMBOL(dvb_pll_tda665x);
 190
 191 /* Infineon TUA6034
 192  * used in LG TDTP E102P
 193  */
 194 static void tua6034_bw(u8 *buf, u32 freq, int bandwidth)
 195 {
 196         if (BANDWIDTH_7_MHZ != bandwidth)
 197                 buf[3] |= 0x08;
 198 }
 199
 200 struct dvb_pll_desc dvb_pll_tua6034 = {
 201         .name  = "Infineon TUA6034",
 202         .min   =  44250000,
 203         .max   = 858000000,
 204         .count = 3,
 205         .setbw = tua6034_bw,
 206         .entries = {
 207                 {  174500000, 36166667, 62500, 0xce, 0x01 },
 208                 {  230000000, 36166667, 62500, 0xce, 0x02 },
 209                 {  999999999, 36166667, 62500, 0xce, 0x04 },
 210         },
 211 };
 212 EXPORT_SYMBOL(dvb_pll_tua6034);
 213
 214 /* Philips FMD1216ME
 215  * used in Medion Hybrid PCMCIA card and USB Box
 216  */
 217 static void fmd1216me_bw(u8 *buf, u32 freq, int bandwidth)
 218 {
 219         if (bandwidth == BANDWIDTH_8_MHZ && freq >= 158870000)
 220                 buf[3] |= 0x08;
 221 }
 222
 223 struct dvb_pll_desc dvb_pll_fmd1216me = {
 224         .name = "Philips FMD1216ME",
 225         .min = 50870000,
 226         .max = 858000000,
 227         .setbw = fmd1216me_bw,
 228         .count = 7,
 229         .entries = {
 230                 { 143870000, 36213333, 166667, 0xbc, 0x41 },
 231                 { 158870000, 36213333, 166667, 0xf4, 0x41 },
 232                 { 329870000, 36213333, 166667, 0xbc, 0x42 },
 233                 { 441870000, 36213333, 166667, 0xf4, 0x42 },
 234                 { 625870000, 36213333, 166667, 0xbc, 0x44 },
 235                 { 803870000, 36213333, 166667, 0xf4, 0x44 },
 236                 { 999999999, 36213333, 166667, 0xfc, 0x44 },
 237         }
 238 };
 239 EXPORT_SYMBOL(dvb_pll_fmd1216me);
 240
 241 /* ALPS TDED4
 242  * used in Nebula-Cards and USB boxes
 243  */
 244 static void tded4_bw(u8 *buf, u32 freq, int bandwidth)
 245 {
 246         if (bandwidth == BANDWIDTH_8_MHZ)
 247                 buf[3] |= 0x04;
 248 }
 249
 250 struct dvb_pll_desc dvb_pll_tded4 = {
 251         .name = "ALPS TDED4",
 252         .min = 47000000,
 253         .max = 863000000,
 254         .setbw = tded4_bw,
 255         .count = 4,
 256         .entries = {
 257                 { 153000000, 36166667, 166667, 0x85, 0x01 },
 258                 { 470000000, 36166667, 166667, 0x85, 0x02 },
 259                 { 823000000, 36166667, 166667, 0x85, 0x08 },
 260                 { 999999999, 36166667, 166667, 0x85, 0x88 },
 261         }
 262 };
 263 EXPORT_SYMBOL(dvb_pll_tded4);
 264
 265 /* ----------------------------------------------------------- */
 266 /* code                                                        */
 267
 268 static int debug = 0;
 269 module_param(debug, int, 0644);
 270 MODULE_PARM_DESC(debug, "enable verbose debug messages");
 271
 272 int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf,
 273                       u32 freq, int bandwidth)
 274 {
 275         u32 div;
 276         int i;
 277
 278         if (freq != 0 && (freq < desc->min || freq > desc->max))
 279             return -EINVAL;
 280
 281         for (i = 0; i < desc->count; i++) {
 282                 if (freq > desc->entries[i].limit)
 283                         continue;
 284                 break;
 285         }
 286         if (debug)
 287                 printk("pll: %s: freq=%d bw=%d | i=%d/%d\n",
 288                        desc->name, freq, bandwidth, i, desc->count);
 289         BUG_ON(i == desc->count);
 290
 291         div = (freq + desc->entries[i].offset) / desc->entries[i].stepsize;
 292         buf[0] = div >> 8;
 293         buf[1] = div & 0xff;
 294         buf[2] = desc->entries[i].cb1;
 295         buf[3] = desc->entries[i].cb2;
 296
 297         if (desc->setbw)
 298                 desc->setbw(buf, freq, bandwidth);
 299
 300         if (debug)
 301                 printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
 302                        desc->name, div, buf[0], buf[1], buf[2], buf[3]);
 303
 304         return 0;
 305 }
 306 EXPORT_SYMBOL(dvb_pll_configure);
 307
 308 MODULE_DESCRIPTION("dvb pll library");
 309 MODULE_AUTHOR("Gerd Knorr");
 310 MODULE_LICENSE("GPL");