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/*
* STM32F4XX EXTI
*
* Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef HW_STM_EXTI_H
#define HW_STM_EXTI_H
#include "hw/sysbus.h"
#include "hw/hw.h"
#include "qom/object.h"
#define EXTI_IMR 0x00
#define EXTI_EMR 0x04
#define EXTI_RTSR 0x08
#define EXTI_FTSR 0x0C
#define EXTI_SWIER 0x10
#define EXTI_PR 0x14
#define TYPE_STM32F4XX_EXTI "stm32f4xx-exti"
typedef struct STM32F4xxExtiState STM32F4xxExtiState;
#define STM32F4XX_EXTI(obj) \
OBJECT_CHECK(STM32F4xxExtiState, (obj), TYPE_STM32F4XX_EXTI)
#define NUM_GPIO_EVENT_IN_LINES 16
#define NUM_INTERRUPT_OUT_LINES 16
struct STM32F4xxExtiState {
SysBusDevice parent_obj;
MemoryRegion mmio;
uint32_t exti_imr;
uint32_t exti_emr;
uint32_t exti_rtsr;
uint32_t exti_ftsr;
uint32_t exti_swier;
uint32_t exti_pr;
qemu_irq irq[NUM_INTERRUPT_OUT_LINES];
};
#endif
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