nuttx/configs/spresense/include/cxd56_gpioif.h
Alin Jerpelea c62d90fdb7 Merged in alinjerpelea/nuttx (pull request #914)
configs: spresense: add I2CTOOL support and extend GPIO for future use

* arch: arm: cxd56xx: add delay support

    add delay support for cxd56xx chip

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* configs: spresense: register I2C busses

    for development is usefull to register I2C busses when the I2CTOOL
    is built

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* configs:spresense: enable GPIO interface

    enable GPIO interface on spresense board

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

Approved-by: Gregory Nutt <gnutt@nuttx.org>
2019-06-24 13:39:46 +00:00

203 lines
6.0 KiB
C

/****************************************************************************
* configs/spresense/include/cxd56_gpioif.h
*
* Copyright 2018 Sony Semiconductor Solutions Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of Sony Semiconductor Solutions Corporation nor
* the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __BOARD_COMMON_INCLUDE_CXD56_GPIOIF_H
#define __BOARD_COMMON_INCLUDE_CXD56_GPIOIF_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <nuttx/irq.h>
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/* gpioif GPIO Interface driver */
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Pin Pull Setting
* Pin floating, pull up, pull down definitions
*/
#define PIN_FLOAT (0) /**< Floating */
#define PIN_PULLUP (1) /**< Internal Weak Pull Up */
#define PIN_PULLDOWN (2) /**< Internal Weak Pull Down */
#define PIN_BUSKEEPER (3) /**< Internal Bus-Keeper */
/*
* GPIO Interrupt Setting
* GPIO interrupt level and edge trigger types
*/
#define INT_HIGH_LEVEL (2) /**< High Level */
#define INT_LOW_LEVEL (3) /**< Low Level */
#define INT_RISING_EDGE (4) /**< Rising Edge */
#define INT_FALLING_EDGE (5) /**< Falling Edge */
#define INT_BOTH_EDGE (7) /**< Both Edge */
#ifndef __ASSEMBLY__
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/*
* GPIO Configure
*
* [in] pin: Pin number
* [in] mode: Function mode 0=GPIO
* [in] input: Input Enable true=enable, false=disable
* [in] drive: Drive Strength true=High Drive(4mA), false=Normal(2mA)
* [in] pull: 0=float, 1=pullup, 2=pulldown, 3=buskeeper
* - PIN_FLOAT
* - PIN_PULLUP
* - PIN_PULLDOWN
* - PIN_BUSKEEPER
*
* return: OK(0) is success. negative value is failure.
*/
int board_gpio_config(uint32_t pin, int mode, bool input, bool drive,
int pull);
/*
* GPIO Status
*
* [in] pin: Pin number
* [out] input: Input Enable true=enable, false=disable
* [out] output: Output Enable true=enable, false=disable
* [out] drive: Drive Strength true=HighDrive(4mA), false=Normal(2mA)
* [out] pull: 0=float, 1=pullup, 2=pulldown, 3=buskeeper
* - PIN_FLOAT
* - PIN_PULLUP
* - PIN_PULLDOWN
* - PIN_BUSKEEPER
*
* return: Pin function mode. negative value is failure.
*/
int board_gpio_status(uint32_t pin, bool *input, bool *output, bool *drive,
int *pull);
/*
* GPIO Write
*
* [in] pin: Pin number
* [in] value: Write Value 0<high, 0=low, 0>hiz
*/
void board_gpio_write(uint32_t pin, int value);
/*
* GPIO Read
*
* param: [in] pin: Pin number
*
* return: read value 1=high, 0=low
*/
int board_gpio_read(uint32_t pin);
/*
* GPIO Interrupt Configure
*
* [in] pin: Pin number
* [in] mode: Interrupt polarity
* - #INT_HIGH_LEVEL
* - #INT_LOW_LEVEL
* - #INT_RISING_EDGE
* - #INT_FALLING_EDGE
* - #INT_BOTH_EDGE
* [in] filter: Noise Filter true=enable, false=disable
* [in] isr: Interrupt Service Routine
*
* IRQ number. negative value is failure.
*/
int board_gpio_intconfig(uint32_t pin, int mode, bool filter, xcpt_t isr);
/*
* GPIO Interrupt Configure
*
* [in] pin: Pin number
* [out] mode: Interrupt polarity
* - #INT_HIGH_LEVEL
* - #INT_LOW_LEVEL
* - #INT_RISING_EDGE
* - #INT_FALLING_EDGE
* - #INT_BOTH_EDGE
* [out] filter: Noise Filter true=enable, false=disable
* [out] enabled: Interrupt true=enable, false=disable
*
* IRQ number. negative value is failure.
*/
int board_gpio_intstatus(uint32_t pin, int *mode,
bool *filter, bool *enabled);
/*
* GPIO Interrupt Enable/Disable
*
* [in] pin: Pin number
* [in] enable: Interrupt true=enable, false=disable
*
* IRQ number. negative value is failure.
*/
int board_gpio_int(uint32_t pin, bool enable);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARD_COMMON_INCLUDE_CXD56_GPIOIF_H */