firmware/tuner.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  * General tuner functions
  10  *
  11  * Copyright (C) 2007 by Michael Sevakis
  12  *
  13  * This program is free software; you can redistribute it and/or
  14  * modify it under the terms of the GNU General Public License
  15  * as published by the Free Software Foundation; either version 2
  16  * of the License, or (at your option) any later version.
  17  *
  18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19  * KIND, either express or implied.
  20  *
  21  ****************************************************************************/
  22 #include <stdlib.h>
  23 #include "config.h"
  24 #include "kernel.h"
  25 #include "tuner.h"
  26 #include "fmradio.h"
  27
  28 /* General region information */
  29 const struct fm_region_data fm_region_data[TUNER_NUM_REGIONS] =
  30 {
  31     [REGION_EUROPE]    = { 87500000, 108000000, 100000 },
  32     [REGION_US_CANADA] = { 87900000, 107900000, 200000 },
  33     [REGION_JAPAN]     = { 76000000,  90000000, 100000 },
  34     [REGION_KOREA]     = { 87500000, 108000000, 200000 },
  35     [REGION_ITALY]     = { 87500000, 108000000,  50000 },
  36     [REGION_OTHER]     = { 87500000, 108000000,  50000 }
  37 };
  38
  39 #ifndef SIMULATOR
  40
  41 /* Tuner-specific region information */
  42
  43 #if (CONFIG_TUNER & LV24020LP)
  44 /* deemphasis setting for region */
  45 const unsigned char lv24020lp_region_data[TUNER_NUM_REGIONS] =
  46 {
  47     [REGION_EUROPE]    = 0, /* 50uS */
  48     [REGION_US_CANADA] = 1, /* 75uS */
  49     [REGION_JAPAN]     = 0, /* 50uS */
  50     [REGION_KOREA]     = 0, /* 50uS */
  51     [REGION_ITALY]     = 0, /* 50uS */
  52     [REGION_OTHER]     = 0, /* 50uS */
  53 };
  54 #endif /* (CONFIG_TUNER & LV24020LP) */
  55
  56 #if (CONFIG_TUNER & TEA5760)
  57 const struct tea5760_region_data tea5760_region_data[TUNER_NUM_REGIONS] =
  58 {
  59     [REGION_EUROPE]    = { 1, 0 }, /* 50uS, US/Europe band */
  60     [REGION_US_CANADA] = { 0, 0 }, /* 75uS, US/Europe band */
  61     [REGION_JAPAN]     = { 1, 1 }, /* 50uS, Japanese band  */
  62     [REGION_KOREA]     = { 1, 0 }, /* 50uS, US/Europe band */
  63     [REGION_ITALY]     = { 1, 0 }, /* 50uS, US/Europe band */
  64     [REGION_OTHER]     = { 1, 0 }, /* 50uS, US/Europe band */
  65 };
  66 #endif /* (CONFIG_TUNER & TEA5760) */
  67
  68 #if (CONFIG_TUNER & TEA5767)
  69 const struct tea5767_region_data tea5767_region_data[TUNER_NUM_REGIONS] =
  70 {
  71     [REGION_EUROPE]    = { 0, 0 }, /* 50uS, US/Europe band */
  72     [REGION_US_CANADA] = { 1, 0 }, /* 75uS, US/Europe band */
  73     [REGION_JAPAN]     = { 0, 1 }, /* 50uS, Japanese band  */
  74     [REGION_KOREA]     = { 0, 0 }, /* 50uS, US/Europe band */
  75     [REGION_ITALY]     = { 0, 0 }, /* 50uS, US/Europe band */
  76     [REGION_OTHER]     = { 0, 0 }, /* 50uS, US/Europe band */
  77 };
  78 #endif /* (CONFIG_TUNER & TEA5767) */
  79
  80 #if (CONFIG_TUNER & SI4700)
  81 const struct si4700_region_data si4700_region_data[TUNER_NUM_REGIONS] =
  82 {
  83     [REGION_EUROPE]    = { 1, 0, 1 }, /* 50uS, US/Europe band, 100kHz spacing */
  84     [REGION_US_CANADA] = { 0, 0, 0 }, /* 75uS, US/Europe band, 200kHz spacing */
  85     [REGION_JAPAN]     = { 1, 2, 1 }, /* 50uS, Japanese band,  100kHz spacing */
  86     [REGION_KOREA]     = { 1, 0, 0 }, /* 50uS, US/Europe band, 200kHz spacing */
  87     [REGION_ITALY]     = { 1, 0, 2 }, /* 50uS, US/Europe band,  50kHz spacing */
  88     [REGION_OTHER]     = { 1, 0, 2 }, /* 50uS, US/Europe band,  50kHz spacing */
  89 };
  90 #endif /* (CONFIG_TUNER & SI4700) */
  91
  92 #ifdef CONFIG_TUNER_MULTI
  93 int (*tuner_set)(int setting, int value);
  94 int (*tuner_get)(int setting);
  95 #define TUNER_TYPE_CASE(type, set, get, ...) \
  96     case type:                                       \
  97         tuner_set = set;                             \
  98         tuner_get = get;                             \
  99         __VA_ARGS__;                                 \
 100         break;
 101 #else
 102 #define TUNER_TYPE_CASE(type, set, get, ...) \
 103         __VA_ARGS__;
 104 #endif /* CONFIG_TUNER_MULTI */
 105
 106 void tuner_init(void)
 107 {
 108 #ifdef CONFIG_TUNER_MULTI
 109     switch (tuner_detect_type())
 110 #endif
 111     {
 112     #if (CONFIG_TUNER & LV24020LP)
 113         TUNER_TYPE_CASE(LV24020LP,
 114                         lv24020lp_set,
 115                         lv24020lp_get,
 116                         lv24020lp_init())
 117     #endif
 118     #if (CONFIG_TUNER & TEA5760)
 119         TUNER_TYPE_CASE(TEA5760,
 120                         tea5760_set,
 121                         tea5760_get,
 122                         tea5760_init())
 123     #endif
 124     #if (CONFIG_TUNER & TEA5767)
 125         TUNER_TYPE_CASE(TEA5767,
 126                         tea5767_set,
 127                         tea5767_get)
 128     #endif
 129     #if (CONFIG_TUNER & S1A0903X01)
 130         TUNER_TYPE_CASE(S1A0903X01,
 131                         s1a0903x01_set,
 132                         s1a0903x01_get)
 133     #endif
 134     #if (CONFIG_TUNER & SI4700)
 135         TUNER_TYPE_CASE(SI4700,
 136                         si4700_set,
 137                         si4700_get,
 138                         si4700_init())
 139     #endif
 140     }
 141 }
 142
 143 #endif /* SIMULATOR */