rockbox/firmware/tuner.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

101 lines
3.3 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
* General tuner functions
*
* Copyright (C) 2007 by Michael Sevakis
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdlib.h>
#include "config.h"
#include "kernel.h"
#include "tuner.h"
#include "fmradio.h"
/* General region information */
const struct fm_region_data fm_region_data[TUNER_NUM_REGIONS] =
{
[REGION_EUROPE] = { 87500000, 108000000, 50000 },
[REGION_US_CANADA] = { 87900000, 107900000, 200000 },
[REGION_JAPAN] = { 76000000, 90000000, 100000 },
[REGION_KOREA] = { 87500000, 108000000, 100000 }
};
#ifndef SIMULATOR
/* Tuner-specific region information */
#if (CONFIG_TUNER & LV24020LP)
/* deemphasis setting for region */
const unsigned char lv24020lp_region_data[TUNER_NUM_REGIONS] =
{
[REGION_EUROPE] = 0, /* 50uS */
[REGION_US_CANADA] = 1, /* 75uS */
[REGION_JAPAN] = 0, /* 50uS */
[REGION_KOREA] = 0, /* 50uS */
};
#endif /* (CONFIG_TUNER & LV24020LP) */
#if (CONFIG_TUNER & TEA5767)
const struct tea5767_region_data tea5767_region_data[TUNER_NUM_REGIONS] =
{
[REGION_EUROPE] = { 0, 0 }, /* 50uS, US/Europe band */
[REGION_US_CANADA] = { 1, 0 }, /* 75uS, US/Europe band */
[REGION_JAPAN] = { 0, 1 }, /* 50uS, Japanese band */
[REGION_KOREA] = { 0, 0 }, /* 50uS, US/Europe band */
};
#endif /* (CONFIG_TUNER & TEA5767) */
#ifdef CONFIG_TUNER_MULTI
int (*tuner_set)(int setting, int value);
int (*tuner_get)(int setting);
#define TUNER_TYPE_CASE(type, set, get, ...) \
case type: \
tuner_set = set; \
tuner_get = get; \
__VA_ARGS__; \
break;
#else
#define TUNER_TYPE_CASE(type, set, get, ...) \
__VA_ARGS__;
#endif /* CONFIG_TUNER_MULTI */
void tuner_init(void)
{
#ifdef CONFIG_TUNER_MULTI
switch (tuner_detect_type())
#endif
{
#if (CONFIG_TUNER & LV24020LP)
TUNER_TYPE_CASE(LV24020LP,
lv24020lp_set,
lv24020lp_get,
lv24020lp_init())
#endif
#if (CONFIG_TUNER & TEA5767)
TUNER_TYPE_CASE(TEA5767,
tea5767_set,
tea5767_get)
#endif
#if (CONFIG_TUNER & S1A0903X01)
TUNER_TYPE_CASE(S1A0903X01,
s1a0903x01_set,
s1a0903x01_get)
#endif
}
}
#endif /* SIMULATOR */