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,  50000 },
  32     [REGION_US_CANADA] = { 87900000, 107900000, 200000 },
  33     [REGION_JAPAN]     = { 76000000,  90000000, 100000 },
  34     [REGION_KOREA]     = { 87500000, 108000000, 100000 }
  35 };
  36
  37 #ifndef SIMULATOR
  38
  39 /* Tuner-specific region information */
  40
  41 #if (CONFIG_TUNER & LV24020LP)
  42 /* deemphasis setting for region */
  43 const unsigned char lv24020lp_region_data[TUNER_NUM_REGIONS] =
  44 {
  45     [REGION_EUROPE]    = 0, /* 50uS */
  46     [REGION_US_CANADA] = 1, /* 75uS */
  47     [REGION_JAPAN]     = 0, /* 50uS */
  48     [REGION_KOREA]     = 0, /* 50uS */
  49 };
  50 #endif /* (CONFIG_TUNER & LV24020LP) */
  51
  52 #if (CONFIG_TUNER & TEA5760)
  53 const struct tea5760_region_data tea5760_region_data[TUNER_NUM_REGIONS] =
  54 {
  55     [REGION_EUROPE]    = { 1, 0 }, /* 50uS, US/Europe band */
  56     [REGION_US_CANADA] = { 0, 0 }, /* 75uS, US/Europe band */
  57     [REGION_JAPAN]     = { 1, 1 }, /* 50uS, Japanese band  */
  58     [REGION_KOREA]     = { 1, 0 }, /* 50uS, US/Europe band */
  59 };
  60 #endif /* (CONFIG_TUNER & TEA5760) */
  61
  62 #if (CONFIG_TUNER & TEA5767)
  63 const struct tea5767_region_data tea5767_region_data[TUNER_NUM_REGIONS] =
  64 {
  65     [REGION_EUROPE]    = { 0, 0 }, /* 50uS, US/Europe band */
  66     [REGION_US_CANADA] = { 1, 0 }, /* 75uS, US/Europe band */
  67     [REGION_JAPAN]     = { 0, 1 }, /* 50uS, Japanese band  */
  68     [REGION_KOREA]     = { 0, 0 }, /* 50uS, US/Europe band */
  69 };
  70 #endif /* (CONFIG_TUNER & TEA5767) */
  71
  72 #if (CONFIG_TUNER & SI4700)
  73 const struct si4700_region_data si4700_region_data[TUNER_NUM_REGIONS] =
  74 {
  75     [REGION_EUROPE]    = { 1, 0, 2 }, /* 50uS, US/Europe band,  50kHz spacing */
  76     [REGION_US_CANADA] = { 0, 0, 0 }, /* 75uS, US/Europe band, 200kHz spacing */
  77     [REGION_JAPAN]     = { 1, 2, 1 }, /* 50uS, Japanese band,  100kHz spacing */
  78     [REGION_KOREA]     = { 1, 0, 1 }, /* 50uS, US/Europe band, 100kHz spacing */
  79 };
  80 #endif /* (CONFIG_TUNER & SI4700) */
  81
  82 #ifdef CONFIG_TUNER_MULTI
  83 int (*tuner_set)(int setting, int value);
  84 int (*tuner_get)(int setting);
  85 #define TUNER_TYPE_CASE(type, set, get, ...) \
  86     case type:                                       \
  87         tuner_set = set;                             \
  88         tuner_get = get;                             \
  89         __VA_ARGS__;                                 \
  90         break;
  91 #else
  92 #define TUNER_TYPE_CASE(type, set, get, ...) \
  93         __VA_ARGS__;
  94 #endif /* CONFIG_TUNER_MULTI */
  95
  96 void tuner_init(void)
  97 {
  98 #ifdef CONFIG_TUNER_MULTI
  99     switch (tuner_detect_type())
 100 #endif
 101     {
 102     #if (CONFIG_TUNER & LV24020LP)
 103         TUNER_TYPE_CASE(LV24020LP,
 104                         lv24020lp_set,
 105                         lv24020lp_get,
 106                         lv24020lp_init())
 107     #endif
 108     #if (CONFIG_TUNER & TEA5760)
 109         TUNER_TYPE_CASE(TEA5760,
 110                         tea5760_set,
 111                         tea5760_get,
 112                         tea5760_init())
 113     #endif
 114     #if (CONFIG_TUNER & TEA5767)
 115         TUNER_TYPE_CASE(TEA5767,
 116                         tea5767_set,
 117                         tea5767_get)
 118     #endif
 119     #if (CONFIG_TUNER & S1A0903X01)
 120         TUNER_TYPE_CASE(S1A0903X01,
 121                         s1a0903x01_set,
 122                         s1a0903x01_get)
 123     #endif
 124     #if (CONFIG_TUNER & SI4700)
 125         TUNER_TYPE_CASE(SI4700,
 126                         si4700_set,
 127                         si4700_get,
 128                         si4700_init())
 129     #endif
 130     }
 131 }
 132
 133 #endif /* SIMULATOR */