146 lines
4.9 KiB
C
146 lines
4.9 KiB
C
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/* ------------------------------------------
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* Copyright (c) 2016, Synopsys, Inc. All rights reserved.
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1) Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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* 3) Neither the name of the Synopsys, Inc., nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* \version 2016.05
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* \date 2014-07-22
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* \author Wayne Ren(Wei.Ren@synopsys.com)
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--------------------------------------------- */
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/**
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* \file
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* \brief designware gpio driver
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* \ingroup DEVICE_DW_GPIO
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* \brief Designware GPIO driver header file
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*/
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#ifndef _DW_GPIO_H_
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#define _DW_GPIO_H_
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#include "device/device_hal/inc/dev_gpio.h"
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#include "inc/arc/arc_exception.h"
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#define DW_GPIO_PORT_A (0x00)
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#define DW_GPIO_PORT_B (0x01)
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#define DW_GPIO_PORT_C (0x02)
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#define DW_GPIO_PORT_D (0x03)
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#define DW_GPIO_INT_ACT_LOW GPIO_INT_ACTIVE_LOW
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#define DW_GPIO_INT_ACT_HIGH GPIO_INT_ACTIVE_HIGH
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#define DW_GPIO_INT_LEVEL_TRIG GPIO_INT_LEVEL_TRIG
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#define DW_GPIO_INT_EDGE_TRIG GPIO_INT_EDGE_TRIG
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#define DW_GPIO_INT_NO_DEBOUNCE GPIO_INT_NO_DEBOUNCE
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#define DW_GPIO_INT_DEBOUNCE GPIO_INT_DEBOUNCE
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#define DW_GPIO_ALL_ZERO (0x0)
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#define DW_GPIO_ALL_ONE (0xffffffff)
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#define DW_GPIO_MASK_ALL (0xffffffff)
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#define DW_GPIO_INPUT_ALL (0x0)
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#define DW_GPIO_OUTPUT_ALL (0xffffffff)
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/**
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* \name DesignWare GPIO Register Structure
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* \brief contains definitions of DesignWare GPIO register structure.
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* @{
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*/
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typedef struct port_ctrl {
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uint32_t DR;
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uint32_t DDR;
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uint32_t CTRL;
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} PORT_CTRL;
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/* DW GPIO PORTS Registers */
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typedef volatile struct dw_gpio_reg {
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PORT_CTRL SWPORTS[4];
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uint32_t INTEN; /*!< (0x30) */
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uint32_t INTMASK; /*!< (0x34) */
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uint32_t INTTYPE_LEVEL; /*!< (0x38) */
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uint32_t INT_POLARITY; /*!< (0x3c) */
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uint32_t INTSTATUS; /*!< (0x40) */
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uint32_t RAW_INTSTATUS; /*!< (0x44) */
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uint32_t DEBOUNCE; /*!< (0x48) */
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uint32_t PORTA_EOI; /*!< (0x4c) */
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uint32_t EXT_PORTS[4]; /*!< (0x50) -A
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(0x54) -B
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(0x58) -C
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(0x5c) -D */
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uint32_t LS_SYNC; /*!< (0x60) */
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uint32_t ID_CODE; /*!< (0x64) */
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uint32_t RESERVED_3; /*!< (0x68) */
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uint32_t VER_ID_CODE; /*!< (0x6c) */
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uint32_t CONFIG_REG2; /*!< (0x70) */
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uint32_t CONFIG_REG1; /*!< (0x74) */
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} DW_GPIO_REG, *DW_GPIO_REG_PTR;
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/** @} */
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/** interrupt handler for each port bit */
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typedef struct dw_gpio_bit_isr {
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uint32_t int_bit_max_cnt; /*!< max bit count for each port */
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DEV_GPIO_HANDLER *int_bit_handler_ptr; /*!< interrupt handler pointer */
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} DW_GPIO_BIT_ISR, * DW_GPIO_BIT_ISR_PTR;
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/**
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* \brief DesignWare GPIO control structure definition
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* \details implement of dev_gpio_info::gpio_ctrl
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*/
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typedef struct dw_gpio_port {
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uint32_t no; /*!< gpio port number */
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DW_GPIO_REG_PTR regs; /*!< gpio port register */
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uint32_t intno; /*!< gpio interrupt vector number */
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uint32_t valid_bit_mask; /*!< valid bit mask of gpio port */
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INT_HANDLER int_handler; /*!< gpio interrupt handler */
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DW_GPIO_BIT_ISR_PTR gpio_bit_isr; /*!< gpio bit handler struct */
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} DW_GPIO_PORT, *DW_GPIO_PORT_PTR;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \name DesignWare GPIO Function Declaration
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* \brief contains declarations of designware gpio functions.
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* \details This are only used in gpio object implementation source file
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* @{
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*/
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extern int32_t dw_gpio_open(DEV_GPIO *gpio_obj, uint32_t dir);
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extern int32_t dw_gpio_close(DEV_GPIO *gpio_obj);
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extern int32_t dw_gpio_read(DEV_GPIO *gpio_obj, uint32_t *val, uint32_t mask);
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extern int32_t dw_gpio_write(DEV_GPIO *gpio_obj, uint32_t val, uint32_t mask);
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extern int32_t dw_gpio_control(DEV_GPIO *gpio_obj, uint32_t ctrl_cmd, void *param);
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extern int32_t dw_gpio_isr_handler(DEV_GPIO *gpio_obj, void *ptr);
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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#endif /* _DW_GPIO_H_ */
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