diff options
Diffstat (limited to 'firmware/target/arm/imx233/fmradio-imx233.h')
-rw-r--r-- | firmware/target/arm/imx233/fmradio-imx233.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/firmware/target/arm/imx233/fmradio-imx233.h b/firmware/target/arm/imx233/fmradio-imx233.h new file mode 100644 index 0000000000..d53336dd40 --- /dev/null +++ b/firmware/target/arm/imx233/fmradio-imx233.h @@ -0,0 +1,64 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2013 by Amaury Pouly + * + * 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. + * + ****************************************************************************/ +#ifndef __fmradio_imx233__ +#define __fmradio_imx233__ + +#include "config.h" +#include "tuner.h" +#include "fmradio_i2c.h" +#include "tuner.h" + +/** This driver implements fmradio i2c and tuner power in a generic way. It + * currently provides two possible implementation of i2c: + * - hardware using i2c-imx233 driver + * - software using generic-i2c driver + * And it provides tuner power by toggling an optional GPIO. + * It can be tweaked using the following defines + * and variables: + * - IMX233_FMRADIO_I2C + * - IMX233_FMRADIO_POWER + * + * The available values of IMX233_FMRADIO_I2C are: + * - FMI_HW: use hardware i2c driver + * - FMI_SW: use software i2c driver, needs additional defines: + * + FMI_SW_SDA_BANK: the SDA pin bank + * + FMI_SW_SDA_PIN: the SDA pin within bank + * + FMI_SW_SCL_BANK: the SCL pin bank + * + FMI_SW_SCL_PIN: the SCL pin bank + * The available values of IMX233_FMRADIO_POWER are: + * - FMP_NONE: tuner has no power control + * - FMP_GPIO: tuner power is controlled by a GPIO, needs additional defines: + * + FMP_GPIO_BANK: pin bank + * + FMP_GPIO_PIN: pin within bank + * + FMP_GPIO_INVERTED: define if inverted, default is active high + * + FMP_GPIO_DELAY: delay to power up/down (in ticks) + */ + +/* i2c method */ +#define FMI_HW 0 +#define FMI_SW 1 + +/* power method */ +#define FMP_NONE 0 +#define FMP_GPIO 1 + +#endif /* __fmradio_imx233__ */ + |