53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2011 by Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "system.h"
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#include "power.h"
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#include "tuner.h"
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#include "fmradio_i2c.h"
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#include "pinctrl-imx233.h"
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#include "power-imx233.h"
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static bool tuner_enable = false;
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bool tuner_power(bool enable)
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{
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if(enable != tuner_enable)
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{
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/* CE is B0P29 (active high) */
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imx233_pinctrl_acquire(0, 29, "tuner power");
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imx233_pinctrl_set_function(0, 29, PINCTRL_FUNCTION_GPIO);
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imx233_pinctrl_set_drive(0, 29, PINCTRL_DRIVE_4mA);
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imx233_pinctrl_enable_gpio(0, 29, enable);
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imx233_pinctrl_set_gpio(0, 29, enable);
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tuner_enable = enable;
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/* give time to power up, datasheet states than minimum timing time is
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* around 100µs so 1 tick should do */
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sleep(1);
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//imx233_power_set_dcdc_freq(enable, HW_POWER_MISC__FREQSEL__24MHz);
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}
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return tuner_enable;
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}
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bool tuner_powered(void)
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{
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return tuner_enable;
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}
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